[ath9k] Add ath9k driver

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/Makefile

@@ -68,7 +68,9 @@ SRCDIRS		+= drivers/net/igb
 SRCDIRS		+= drivers/net/igbvf
 SRCDIRS		+= drivers/net/phantom
 SRCDIRS		+= drivers/net/rtl818x
-SRCDIRS		+= drivers/net/ath5k
+SRCDIRS		+= drivers/net/ath
+SRCDIRS		+= drivers/net/ath/ath5k
+SRCDIRS		+= drivers/net/ath/ath9k
 SRCDIRS		+= drivers/net/vxge
 SRCDIRS		+= drivers/net/efi
 SRCDIRS		+= drivers/block

src/drivers/net/ath/ath.h

@@ -0,0 +1,239 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ATH_H
+#define ATH_H
+
+#include <unistd.h>
+#include <ipxe/net80211.h>
+
+/* This block of functions are from kernel.h v3.0.1 */
+#define ARRAY_SIZE(arr)		(sizeof(arr) / sizeof((arr)[0]))
+#define DIV_ROUND_UP(n,d)	(((n) + (d) - 1) / (d))
+#define BITS_PER_BYTE		8
+#define BITS_TO_LONGS(nr)	DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
+#define BIT(nr)			(1UL << (nr))
+
+#define min(x, y) ({					\
+	typeof(x) _min1 = (x);				\
+	typeof(y) _min2 = (y);				\
+	(void) (&_min1 == &_min2);			\
+	_min1 < _min2 ? _min1 : _min2; })
+#define max(x, y) ({					\
+	typeof(x) _max1 = (x);				\
+	typeof(y) _max2 = (y);				\
+	(void) (&_max1 == &_max2);			\
+	_max1 > _max2 ? _max1 : _max2; })
+#define abs(x) ({					\
+		long ret;				\
+		if (sizeof(x) == sizeof(long)) {	\
+			long __x = (x);			\
+			ret = (__x < 0) ? -__x : __x;	\
+		} else {				\
+			int __x = (x);			\
+			ret = (__x < 0) ? -__x : __x;	\
+		}					\
+		ret;					\
+	})
+
+#define ___constant_swab16(x) ((uint16_t)(			\
+	(((uint16_t)(x) & (uint16_t)0x00ffU) << 8) |		\
+	(((uint16_t)(x) & (uint16_t)0xff00U) >> 8)))
+#define ___constant_swab32(x) ((uint32_t)(			\
+	(((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) |	\
+	(((uint32_t)(x) & (uint32_t)0x0000ff00UL) <<  8) |	\
+	(((uint32_t)(x) & (uint32_t)0x00ff0000UL) >>  8) |	\
+	(((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))
+#define __swab16(x) ___constant_swab16(x)
+#define __swab32(x) ___constant_swab32(x)
+#define swab16 __swab16
+#define swab32 __swab32
+
+static inline int32_t sign_extend32(uint32_t value, int index)
+{
+	uint8_t shift = 31 - index;
+	return (int32_t)(value << shift) >> shift;
+}
+
+static inline u16 __get_unaligned_le16(const u8 *p)
+{
+	return p[0] | p[1] << 8;
+}
+static inline u32 __get_unaligned_le32(const u8 *p)
+{
+	return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
+}
+static inline u16 get_unaligned_le16(const void *p)
+{
+	return __get_unaligned_le16((const u8 *)p);
+}
+static inline u32 get_unaligned_le32(const void *p)
+{
+	return __get_unaligned_le32((const u8 *)p);
+}
+/* End Kernel Block */
+
+/*
+ * The key cache is used for h/w cipher state and also for
+ * tracking station state such as the current tx antenna.
+ * We also setup a mapping table between key cache slot indices
+ * and station state to short-circuit node lookups on rx.
+ * Different parts have different size key caches.  We handle
+ * up to ATH_KEYMAX entries (could dynamically allocate state).
+ */
+#define	ATH_KEYMAX	        128     /* max key cache size we handle */
+
+static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+struct ath_ani {
+	int caldone;
+	unsigned int longcal_timer;
+	unsigned int shortcal_timer;
+	unsigned int resetcal_timer;
+	unsigned int checkani_timer;
+	int timer;
+};
+
+struct ath_cycle_counters {
+	u32 cycles;
+	u32 rx_busy;
+	u32 rx_frame;
+	u32 tx_frame;
+};
+
+enum ath_device_state {
+	ATH_HW_UNAVAILABLE,
+	ATH_HW_INITIALIZED,
+};
+
+enum ath_bus_type {
+	ATH_PCI,
+	ATH_AHB,
+	ATH_USB,
+};
+
+struct reg_dmn_pair_mapping {
+	u16 regDmnEnum;
+	u16 reg_5ghz_ctl;
+	u16 reg_2ghz_ctl;
+};
+
+struct ath_regulatory {
+	char alpha2[2];
+	u16 country_code;
+	u16 max_power_level;
+	u32 tp_scale;
+	u16 current_rd;
+	u16 current_rd_ext;
+	int16_t power_limit;
+	struct reg_dmn_pair_mapping *regpair;
+};
+
+enum ath_crypt_caps {
+	ATH_CRYPT_CAP_CIPHER_AESCCM		= BIT(0),
+	ATH_CRYPT_CAP_MIC_COMBINED		= BIT(1),
+};
+
+struct ath_keyval {
+	u8 kv_type;
+	u8 kv_pad;
+	u16 kv_len;
+	u8 kv_val[16]; /* TK */
+	u8 kv_mic[8]; /* Michael MIC key */
+	u8 kv_txmic[8]; /* Michael MIC TX key (used only if the hardware
+			 * supports both MIC keys in the same key cache entry;
+			 * in that case, kv_mic is the RX key) */
+};
+
+enum ath_cipher {
+	ATH_CIPHER_WEP = 0,
+	ATH_CIPHER_AES_OCB = 1,
+	ATH_CIPHER_AES_CCM = 2,
+	ATH_CIPHER_CKIP = 3,
+	ATH_CIPHER_TKIP = 4,
+	ATH_CIPHER_CLR = 5,
+	ATH_CIPHER_MIC = 127
+};
+
+/**
+ * struct ath_ops - Register read/write operations
+ *
+ * @read: Register read
+ * @multi_read: Multiple register read
+ * @write: Register write
+ * @enable_write_buffer: Enable multiple register writes
+ * @write_flush: flush buffered register writes and disable buffering
+ */
+struct ath_ops {
+	unsigned int (*read)(void *, u32 reg_offset);
+	void (*multi_read)(void *, u32 *addr, u32 *val, u16 count);
+	void (*write)(void *, u32 val, u32 reg_offset);
+	void (*enable_write_buffer)(void *);
+	void (*write_flush) (void *);
+	u32 (*rmw)(void *, u32 reg_offset, u32 set, u32 clr);
+};
+
+struct ath_common;
+struct ath_bus_ops;
+
+struct ath_common {
+	void *ah;
+	void *priv;
+	struct net80211_device *dev;
+	int debug_mask;
+	enum ath_device_state state;
+
+	struct ath_ani ani;
+
+	u16 cachelsz;
+	u16 curaid;
+	u8 macaddr[ETH_ALEN];
+	u8 curbssid[ETH_ALEN];
+	u8 bssidmask[ETH_ALEN];
+
+	u8 tx_chainmask;
+	u8 rx_chainmask;
+
+	u32 rx_bufsize;
+
+	u32 keymax;
+	enum ath_crypt_caps crypt_caps;
+
+	unsigned int clockrate;
+
+	struct ath_cycle_counters cc_ani;
+	struct ath_cycle_counters cc_survey;
+
+	struct ath_regulatory regulatory;
+	const struct ath_ops *ops;
+	const struct ath_bus_ops *bus_ops;
+
+	int btcoex_enabled;
+};
+
+struct io_buffer *ath_rxbuf_alloc(struct ath_common *common,
+				u32 len,
+				u32 *iob_addr);
+
+void ath_hw_setbssidmask(struct ath_common *common);
+int ath_hw_keyreset(struct ath_common *common, u16 entry);
+void ath_hw_cycle_counters_update(struct ath_common *common);
+int32_t ath_hw_get_listen_time(struct ath_common *common);
+
+#endif /* ATH_H */

src/drivers/net/ath/ath9k/ani.h

@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ANI_H
+#define ANI_H
+
+#define HAL_PROCESS_ANI           0x00000001
+
+#define DO_ANI(ah) (((ah)->proc_phyerr & HAL_PROCESS_ANI) && ah->curchan)
+
+#define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
+
+/* units are errors per second */
+#define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
+#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      1000
+
+/* units are errors per second */
+#define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
+#define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
+
+/* units are errors per second */
+#define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
+#define ATH9K_ANI_CCK_TRIG_HIGH_NEW       600
+
+/* units are errors per second */
+#define ATH9K_ANI_CCK_TRIG_LOW_OLD        100
+#define ATH9K_ANI_CCK_TRIG_LOW_NEW        300
+
+#define ATH9K_ANI_NOISE_IMMUNE_LVL        4
+#define ATH9K_ANI_USE_OFDM_WEAK_SIG       1
+#define ATH9K_ANI_CCK_WEAK_SIG_THR        0
+
+#define ATH9K_ANI_SPUR_IMMUNE_LVL_OLD     7
+#define ATH9K_ANI_SPUR_IMMUNE_LVL_NEW     3
+
+#define ATH9K_ANI_FIRSTEP_LVL_OLD         0
+#define ATH9K_ANI_FIRSTEP_LVL_NEW         2
+
+#define ATH9K_ANI_RSSI_THR_HIGH           40
+#define ATH9K_ANI_RSSI_THR_LOW            7
+
+#define ATH9K_ANI_PERIOD_OLD              100
+#define ATH9K_ANI_PERIOD_NEW              1000
+
+/* in ms */
+#define ATH9K_ANI_POLLINTERVAL_OLD        100
+#define ATH9K_ANI_POLLINTERVAL_NEW        1000
+
+#define HAL_NOISE_IMMUNE_MAX              4
+#define HAL_SPUR_IMMUNE_MAX               7
+#define HAL_FIRST_STEP_MAX                2
+
+#define ATH9K_SIG_FIRSTEP_SETTING_MIN     0
+#define ATH9K_SIG_FIRSTEP_SETTING_MAX     20
+#define ATH9K_SIG_SPUR_IMM_SETTING_MIN    0
+#define ATH9K_SIG_SPUR_IMM_SETTING_MAX    22
+
+#define ATH9K_ANI_ENABLE_MRC_CCK          1
+
+/* values here are relative to the INI */
+
+enum ath9k_ani_cmd {
+	ATH9K_ANI_PRESENT = 0x1,
+	ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
+	ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
+	ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
+	ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
+	ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
+	ATH9K_ANI_MODE = 0x40,
+	ATH9K_ANI_PHYERR_RESET = 0x80,
+	ATH9K_ANI_MRC_CCK = 0x100,
+	ATH9K_ANI_ALL = 0xfff
+};
+
+struct ath9k_mib_stats {
+	u32 ackrcv_bad;
+	u32 rts_bad;
+	u32 rts_good;
+	u32 fcs_bad;
+	u32 beacons;
+};
+
+/* INI default values for ANI registers */
+struct ath9k_ani_default {
+	u16 m1ThreshLow;
+	u16 m2ThreshLow;
+	u16 m1Thresh;
+	u16 m2Thresh;
+	u16 m2CountThr;
+	u16 m2CountThrLow;
+	u16 m1ThreshLowExt;
+	u16 m2ThreshLowExt;
+	u16 m1ThreshExt;
+	u16 m2ThreshExt;
+	u16 firstep;
+	u16 firstepLow;
+	u16 cycpwrThr1;
+	u16 cycpwrThr1Ext;
+};
+
+struct ar5416AniState {
+	struct ath9k_channel *c;
+	u8 noiseImmunityLevel;
+	u8 ofdmNoiseImmunityLevel;
+	u8 cckNoiseImmunityLevel;
+	int ofdmsTurn;
+	u8 mrcCCKOff;
+	u8 spurImmunityLevel;
+	u8 firstepLevel;
+	u8 ofdmWeakSigDetectOff;
+	u8 cckWeakSigThreshold;
+	u32 listenTime;
+	int32_t rssiThrLow;
+	int32_t rssiThrHigh;
+	u32 noiseFloor;
+	u32 ofdmPhyErrCount;
+	u32 cckPhyErrCount;
+	int16_t pktRssi[2];
+	int16_t ofdmErrRssi[2];
+	int16_t cckErrRssi[2];
+	struct ath9k_ani_default iniDef;
+};
+
+struct ar5416Stats {
+	u32 ast_ani_niup;
+	u32 ast_ani_nidown;
+	u32 ast_ani_spurup;
+	u32 ast_ani_spurdown;
+	u32 ast_ani_ofdmon;
+	u32 ast_ani_ofdmoff;
+	u32 ast_ani_cckhigh;
+	u32 ast_ani_ccklow;
+	u32 ast_ani_stepup;
+	u32 ast_ani_stepdown;
+	u32 ast_ani_ofdmerrs;
+	u32 ast_ani_cckerrs;
+	u32 ast_ani_reset;
+	u32 ast_ani_lzero;
+	u32 ast_ani_lneg;
+	u32 avgbrssi;
+	struct ath9k_mib_stats ast_mibstats;
+};
+#define ah_mibStats stats.ast_mibstats
+
+void ath9k_enable_mib_counters(struct ath_hw *ah);
+void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
+void ath9k_hw_ani_setup(struct ath_hw *ah);
+void ath9k_hw_ani_init(struct ath_hw *ah);
+int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah,
+				 struct ath9k_channel *chan);
+
+#endif /* ANI_H */

src/drivers/net/ath/ath9k/ar5008_initvals.h

@@ -0,0 +1,672 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+static const u32 ar5416Modes[][6] = {
+	{0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160, 0x000001e0},
+	{0x00001070, 0x00000168, 0x000002d0, 0x00000318, 0x0000018c, 0x000001e0},
+	{0x000010b0, 0x00000e60, 0x00001cc0, 0x00007c70, 0x00003e38, 0x00001180},
+	{0x000010f0, 0x0000a000, 0x00014000, 0x00016000, 0x0000b000, 0x00014008},
+	{0x00008014, 0x03e803e8, 0x07d007d0, 0x10801600, 0x08400b00, 0x06e006e0},
+	{0x0000801c, 0x128d93a7, 0x128d93cf, 0x12e013d7, 0x12e013ab, 0x098813cf},
+	{0x00008120, 0x08f04800, 0x08f04800, 0x08f04810, 0x08f04810, 0x08f04810},
+	{0x000081d0, 0x00003210, 0x00003210, 0x0000320a, 0x0000320a, 0x0000320a},
+	{0x00009804, 0x00000300, 0x000003c4, 0x000003c4, 0x00000300, 0x00000303},
+	{0x00009820, 0x02020200, 0x02020200, 0x02020200, 0x02020200, 0x02020200},
+	{0x00009824, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e},
+	{0x00009828, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001},
+	{0x00009834, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e},
+	{0x00009838, 0x00000007, 0x00000007, 0x00000007, 0x00000007, 0x00000007},
+	{0x00009844, 0x1372161e, 0x1372161e, 0x137216a0, 0x137216a0, 0x137216a0},
+	{0x00009848, 0x001a6a65, 0x001a6a65, 0x00197a68, 0x00197a68, 0x00197a68},
+	{0x0000a848, 0x001a6a65, 0x001a6a65, 0x00197a68, 0x00197a68, 0x00197a68},
+	{0x0000b848, 0x001a6a65, 0x001a6a65, 0x00197a68, 0x00197a68, 0x00197a68},
+	{0x00009850, 0x6c48b4e0, 0x6d48b4e0, 0x6d48b0de, 0x6c48b0de, 0x6c48b0de},
+	{0x00009858, 0x7ec82d2e, 0x7ec82d2e, 0x7ec82d2e, 0x7ec82d2e, 0x7ec82d2e},
+	{0x0000985c, 0x31395d5e, 0x3139605e, 0x3139605e, 0x31395d5e, 0x31395d5e},
+	{0x00009860, 0x00049d18, 0x00049d18, 0x00049d18, 0x00049d18, 0x00049d18},
+	{0x00009864, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00},
+	{0x00009868, 0x409a4190, 0x409a4190, 0x409a4190, 0x409a4190, 0x409a4190},
+	{0x0000986c, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081},
+	{0x00009914, 0x000007d0, 0x00000fa0, 0x00001130, 0x00000898, 0x000007d0},
+	{0x00009918, 0x000001b8, 0x00000370, 0x00000268, 0x00000134, 0x00000134},
+	{0x00009924, 0xd0058a0b, 0xd0058a0b, 0xd0058a0b, 0xd0058a0b, 0xd0058a0b},
+	{0x00009944, 0xffb81020, 0xffb81020, 0xffb81020, 0xffb81020, 0xffb81020},
+	{0x00009960, 0x00000900, 0x00000900, 0x00012d80, 0x00012d80, 0x00012d80},
+	{0x0000a960, 0x00000900, 0x00000900, 0x00012d80, 0x00012d80, 0x00012d80},
+	{0x0000b960, 0x00000900, 0x00000900, 0x00012d80, 0x00012d80, 0x00012d80},
+	{0x00009964, 0x00000000, 0x00000000, 0x00001120, 0x00001120, 0x00001120},
+	{0x000099bc, 0x001a0a00, 0x001a0a00, 0x001a0a00, 0x001a0a00, 0x001a0a00},
+	{0x000099c0, 0x038919be, 0x038919be, 0x038919be, 0x038919be, 0x038919be},
+	{0x000099c4, 0x06336f77, 0x06336f77, 0x06336f77, 0x06336f77, 0x06336f77},
+	{0x000099c8, 0x6af6532c, 0x6af6532c, 0x6af6532c, 0x6af6532c, 0x6af6532c},
+	{0x000099cc, 0x08f186c8, 0x08f186c8, 0x08f186c8, 0x08f186c8, 0x08f186c8},
+	{0x000099d0, 0x00046384, 0x00046384, 0x00046384, 0x00046384, 0x00046384},
+	{0x000099d4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+	{0x000099d8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+	{0x0000a204, 0x00000880, 0x00000880, 0x00000880, 0x00000880, 0x00000880},
+	{0x0000a208, 0xd6be4788, 0xd6be4788, 0xd03e4788, 0xd03e4788, 0xd03e4788},
+	{0x0000a20c, 0x002ec1e0, 0x002ec1e0, 0x002ac120, 0x002ac120, 0x002ac120},
+	{0x0000b20c, 0x002ec1e0, 0x002ec1e0, 0x002ac120, 0x002ac120, 0x002ac120},
+	{0x0000c20c, 0x002ec1e0, 0x002ec1e0, 0x002ac120, 0x002ac120, 0x002ac120},
+	{0x0000a21c, 0x1883800a, 0x1883800a, 0x1883800a, 0x1883800a, 0x1883800a},
+	{0x0000a230, 0x00000000, 0x00000000, 0x00000210, 0x00000108, 0x00000000},
+	{0x0000a274, 0x0a1a9caa, 0x0a1a9caa, 0x0a1a7caa, 0x0a1a7caa, 0x0a1a7caa},
+	{0x0000a300, 0x18010000, 0x18010000, 0x18010000, 0x18010000, 0x18010000},
+	{0x0000a304, 0x30032602, 0x30032602, 0x2e032402, 0x2e032402, 0x2e032402},
+	{0x0000a308, 0x48073e06, 0x48073e06, 0x4a0a3c06, 0x4a0a3c06, 0x4a0a3c06},
+	{0x0000a30c, 0x560b4c0a, 0x560b4c0a, 0x621a540b, 0x621a540b, 0x621a540b},
+	{0x0000a310, 0x641a600f, 0x641a600f, 0x764f6c1b, 0x764f6c1b, 0x764f6c1b},
+	{0x0000a314, 0x7a4f6e1b, 0x7a4f6e1b, 0x845b7a5a, 0x845b7a5a, 0x845b7a5a},
+	{0x0000a318, 0x8c5b7e5a, 0x8c5b7e5a, 0x950f8ccf, 0x950f8ccf, 0x950f8ccf},
+	{0x0000a31c, 0x9d0f96cf, 0x9d0f96cf, 0xa5cf9b4f, 0xa5cf9b4f, 0xa5cf9b4f},
+	{0x0000a320, 0xb51fa69f, 0xb51fa69f, 0xbddfaf1f, 0xbddfaf1f, 0xbddfaf1f},
+	{0x0000a324, 0xcb3fbd07, 0xcb3fbcbf, 0xd1ffc93f, 0xd1ffc93f, 0xd1ffc93f},
+	{0x0000a328, 0x0000d7bf, 0x0000d7bf, 0x00000000, 0x00000000, 0x00000000},
+	{0x0000a32c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+	{0x0000a330, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+	{0x0000a334, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+};
+
+static const u32 ar5416Common[][2] = {
+	/* Addr      allmodes  */
+	{0x0000000c, 0x00000000},
+	{0x00000030, 0x00020015},
+	{0x00000034, 0x00000005},
+	{0x00000040, 0x00000000},
+	{0x00000044, 0x00000008},
+	{0x00000048, 0x00000008},
+	{0x0000004c, 0x00000010},
+	{0x00000050, 0x00000000},
+	{0x00000054, 0x0000001f},
+	{0x00000800, 0x00000000},
+	{0x00000804, 0x00000000},
+	{0x00000808, 0x00000000},
+	{0x0000080c, 0x00000000},
+	{0x00000810, 0x00000000},
+	{0x00000814, 0x00000000},
+	{0x00000818, 0x00000000},
+	{0x0000081c, 0x00000000},
+	{0x00000820, 0x00000000},
+	{0x00000824, 0x00000000},
+	{0x00001040, 0x002ffc0f},
+	{0x00001044, 0x002ffc0f},
+	{0x00001048, 0x002ffc0f},
+	{0x0000104c, 0x002ffc0f},
+	{0x00001050, 0x002ffc0f},
+	{0x00001054, 0x002ffc0f},
+	{0x00001058, 0x002ffc0f},
+	{0x0000105c, 0x002ffc0f},
+	{0x00001060, 0x002ffc0f},
+	{0x00001064, 0x002ffc0f},
+	{0x00001230, 0x00000000},
+	{0x00001270, 0x00000000},
+	{0x00001038, 0x00000000},
+	{0x00001078, 0x00000000},
+	{0x000010b8, 0x00000000},
+	{0x000010f8, 0x00000000},
+	{0x00001138, 0x00000000},
+	{0x00001178, 0x00000000},
+	{0x000011b8, 0x00000000},
+	{0x000011f8, 0x00000000},
+	{0x00001238, 0x00000000},
+	{0x00001278, 0x00000000},
+	{0x000012b8, 0x00000000},
+	{0x000012f8, 0x00000000},
+	{0x00001338, 0x00000000},
+	{0x00001378, 0x00000000},
+	{0x000013b8, 0x00000000},
+	{0x000013f8, 0x00000000},
+	{0x00001438, 0x00000000},
+	{0x00001478, 0x00000000},
+	{0x000014b8, 0x00000000},
+	{0x000014f8, 0x00000000},
+	{0x00001538, 0x00000000},
+	{0x00001578, 0x00000000},
+	{0x000015b8, 0x00000000},
+	{0x000015f8, 0x00000000},
+	{0x00001638, 0x00000000},
+	{0x00001678, 0x00000000},
+	{0x000016b8, 0x00000000},
+	{0x000016f8, 0x00000000},
+	{0x00001738, 0x00000000},
+	{0x00001778, 0x00000000},
+	{0x000017b8, 0x00000000},
+	{0x000017f8, 0x00000000},
+	{0x0000103c, 0x00000000},
+	{0x0000107c, 0x00000000},
+	{0x000010bc, 0x00000000},
+	{0x000010fc, 0x00000000},
+	{0x0000113c, 0x00000000},
+	{0x0000117c, 0x00000000},
+	{0x000011bc, 0x00000000},
+	{0x000011fc, 0x00000000},
+	{0x0000123c, 0x00000000},
+	{0x0000127c, 0x00000000},
+	{0x000012bc, 0x00000000},
+	{0x000012fc, 0x00000000},
+	{0x0000133c, 0x00000000},
+	{0x0000137c, 0x00000000},
+	{0x000013bc, 0x00000000},
+	{0x000013fc, 0x00000000},
+	{0x0000143c, 0x00000000},
+	{0x0000147c, 0x00000000},
+	{0x00004030, 0x00000002},
+	{0x0000403c, 0x00000002},
+	{0x00007010, 0x00000000},
+	{0x00007038, 0x000004c2},
+	{0x00008004, 0x00000000},
+	{0x00008008, 0x00000000},
+	{0x0000800c, 0x00000000},
+	{0x00008018, 0x00000700},
+	{0x00008020, 0x00000000},
+	{0x00008038, 0x00000000},
+	{0x0000803c, 0x00000000},
+	{0x00008048, 0x40000000},
+	{0x00008054, 0x00000000},
+	{0x00008058, 0x00000000},
+	{0x0000805c, 0x000fc78f},
+	{0x00008060, 0x0000000f},
+	{0x00008064, 0x00000000},
+	{0x000080c0, 0x2a82301a},
+	{0x000080c4, 0x05dc01e0},
+	{0x000080c8, 0x1f402710},
+	{0x000080cc, 0x01f40000},
+	{0x000080d0, 0x00001e00},
+	{0x000080d4, 0x00000000},
+	{0x000080d8, 0x00400000},
+	{0x000080e0, 0xffffffff},
+	{0x000080e4, 0x0000ffff},
+	{0x000080e8, 0x003f3f3f},
+	{0x000080ec, 0x00000000},
+	{0x000080f0, 0x00000000},
+	{0x000080f4, 0x00000000},
+	{0x000080f8, 0x00000000},
+	{0x000080fc, 0x00020000},
+	{0x00008100, 0x00020000},
+	{0x00008104, 0x00000001},
+	{0x00008108, 0x00000052},
+	{0x0000810c, 0x00000000},
+	{0x00008110, 0x00000168},
+	{0x00008118, 0x000100aa},
+	{0x0000811c, 0x00003210},
+	{0x00008124, 0x00000000},
+	{0x00008128, 0x00000000},
+	{0x0000812c, 0x00000000},
+	{0x00008130, 0x00000000},
+	{0x00008134, 0x00000000},
+	{0x00008138, 0x00000000},
+	{0x0000813c, 0x00000000},
+	{0x00008144, 0xffffffff},
+	{0x00008168, 0x00000000},
+	{0x0000816c, 0x00000000},
+	{0x00008170, 0x32143320},
+	{0x00008174, 0xfaa4fa50},
+	{0x00008178, 0x00000100},
+	{0x0000817c, 0x00000000},
+	{0x000081c4, 0x00000000},
+	{0x000081ec, 0x00000000},
+	{0x000081f0, 0x00000000},
+	{0x000081f4, 0x00000000},
+	{0x000081f8, 0x00000000},
+	{0x000081fc, 0x00000000},
+	{0x00008200, 0x00000000},
+	{0x00008204, 0x00000000},
+	{0x00008208, 0x00000000},
+	{0x0000820c, 0x00000000},
+	{0x00008210, 0x00000000},
+	{0x00008214, 0x00000000},
+	{0x00008218, 0x00000000},
+	{0x0000821c, 0x00000000},
+	{0x00008220, 0x00000000},
+	{0x00008224, 0x00000000},
+	{0x00008228, 0x00000000},
+	{0x0000822c, 0x00000000},
+	{0x00008230, 0x00000000},
+	{0x00008234, 0x00000000},
+	{0x00008238, 0x00000000},
+	{0x0000823c, 0x00000000},
+	{0x00008240, 0x00100000},
+	{0x00008244, 0x0010f400},
+	{0x00008248, 0x00000100},
+	{0x0000824c, 0x0001e800},
+	{0x00008250, 0x00000000},
+	{0x00008254, 0x00000000},
+	{0x00008258, 0x00000000},
+	{0x0000825c, 0x400000ff},
+	{0x00008260, 0x00080922},
+	{0x00008264, 0x88000010},
+	{0x00008270, 0x00000000},
+	{0x00008274, 0x40000000},
+	{0x00008278, 0x003e4180},
+	{0x0000827c, 0x00000000},
+	{0x00008284, 0x0000002c},
+	{0x00008288, 0x0000002c},
+	{0x0000828c, 0x00000000},
+	{0x00008294, 0x00000000},
+	{0x00008298, 0x00000000},
+	{0x00008300, 0x00000000},
+	{0x00008304, 0x00000000},
+	{0x00008308, 0x00000000},
+	{0x0000830c, 0x00000000},
+	{0x00008310, 0x00000000},
+	{0x00008314, 0x00000000},
+	{0x00008318, 0x00000000},
+	{0x00008328, 0x00000000},
+	{0x0000832c, 0x00000007},
+	{0x00008330, 0x00000302},
+	{0x00008334, 0x00000e00},
+	{0x00008338, 0x00070000},
+	{0x0000833c, 0x00000000},
+	{0x00008340, 0x000107ff},
+	{0x00009808, 0x00000000},
+	{0x0000980c, 0xad848e19},
+	{0x00009810, 0x7d14e000},
+	{0x00009814, 0x9c0a9f6b},
+	{0x0000981c, 0x00000000},
+	{0x0000982c, 0x0000a000},
+	{0x00009830, 0x00000000},
+	{0x0000983c, 0x00200400},
+	{0x00009840, 0x206a002e},
+	{0x0000984c, 0x1284233c},
+	{0x00009854, 0x00000859},
+	{0x00009900, 0x00000000},
+	{0x00009904, 0x00000000},
+	{0x00009908, 0x00000000},
+	{0x0000990c, 0x00000000},
+	{0x0000991c, 0x10000fff},
+	{0x00009920, 0x05100000},
+	{0x0000a920, 0x05100000},
+	{0x0000b920, 0x05100000},
+	{0x00009928, 0x00000001},
+	{0x0000992c, 0x00000004},
+	{0x00009934, 0x1e1f2022},
+	{0x00009938, 0x0a0b0c0d},
+	{0x0000993c, 0x00000000},
+	{0x00009948, 0x9280b212},
+	{0x0000994c, 0x00020028},
+	{0x00009954, 0x5d50e188},
+	{0x00009958, 0x00081fff},
+	{0x0000c95c, 0x004b6a8e},
+	{0x0000c968, 0x000003ce},
+	{0x00009970, 0x190fb515},
+	{0x00009974, 0x00000000},
+	{0x00009978, 0x00000001},
+	{0x0000997c, 0x00000000},
+	{0x00009980, 0x00000000},
+	{0x00009984, 0x00000000},
+	{0x00009988, 0x00000000},
+	{0x0000998c, 0x00000000},
+	{0x00009990, 0x00000000},
+	{0x00009994, 0x00000000},
+	{0x00009998, 0x00000000},
+	{0x0000999c, 0x00000000},
+	{0x000099a0, 0x00000000},
+	{0x000099a4, 0x00000001},
+	{0x000099a8, 0x001fff00},
+	{0x000099ac, 0x00000000},
+	{0x000099b0, 0x03051000},
+	{0x000099dc, 0x00000000},
+	{0x000099e0, 0x00000200},
+	{0x000099e4, 0xaaaaaaaa},
+	{0x000099e8, 0x3c466478},
+	{0x000099ec, 0x000000aa},
+	{0x000099fc, 0x00001042},
+	{0x00009b00, 0x00000000},
+	{0x00009b04, 0x00000001},
+	{0x00009b08, 0x00000002},
+	{0x00009b0c, 0x00000003},
+	{0x00009b10, 0x00000004},
+	{0x00009b14, 0x00000005},
+	{0x00009b18, 0x00000008},
+	{0x00009b1c, 0x00000009},
+	{0x00009b20, 0x0000000a},
+	{0x00009b24, 0x0000000b},
+	{0x00009b28, 0x0000000c},
+	{0x00009b2c, 0x0000000d},
+	{0x00009b30, 0x00000010},
+	{0x00009b34, 0x00000011},
+	{0x00009b38, 0x00000012},
+	{0x00009b3c, 0x00000013},
+	{0x00009b40, 0x00000014},
+	{0x00009b44, 0x00000015},
+	{0x00009b48, 0x00000018},
+	{0x00009b4c, 0x00000019},
+	{0x00009b50, 0x0000001a},
+	{0x00009b54, 0x0000001b},
+	{0x00009b58, 0x0000001c},
+	{0x00009b5c, 0x0000001d},
+	{0x00009b60, 0x00000020},
+	{0x00009b64, 0x00000021},
+	{0x00009b68, 0x00000022},
+	{0x00009b6c, 0x00000023},
+	{0x00009b70, 0x00000024},
+	{0x00009b74, 0x00000025},
+	{0x00009b78, 0x00000028},
+	{0x00009b7c, 0x00000029},
+	{0x00009b80, 0x0000002a},
+	{0x00009b84, 0x0000002b},
+	{0x00009b88, 0x0000002c},
+	{0x00009b8c, 0x0000002d},
+	{0x00009b90, 0x00000030},
+	{0x00009b94, 0x00000031},
+	{0x00009b98, 0x00000032},
+	{0x00009b9c, 0x00000033},
+	{0x00009ba0, 0x00000034},
+	{0x00009ba4, 0x00000035},
+	{0x00009ba8, 0x00000035},
+	{0x00009bac, 0x00000035},
+	{0x00009bb0, 0x00000035},
+	{0x00009bb4, 0x00000035},
+	{0x00009bb8, 0x00000035},
+	{0x00009bbc, 0x00000035},
+	{0x00009bc0, 0x00000035},
+	{0x00009bc4, 0x00000035},
+	{0x00009bc8, 0x00000035},
+	{0x00009bcc, 0x00000035},
+	{0x00009bd0, 0x00000035},
+	{0x00009bd4, 0x00000035},
+	{0x00009bd8, 0x00000035},
+	{0x00009bdc, 0x00000035},
+	{0x00009be0, 0x00000035},
+	{0x00009be4, 0x00000035},
+	{0x00009be8, 0x00000035},
+	{0x00009bec, 0x00000035},
+	{0x00009bf0, 0x00000035},
+	{0x00009bf4, 0x00000035},
+	{0x00009bf8, 0x00000010},
+	{0x00009bfc, 0x0000001a},
+	{0x0000a210, 0x40806333},
+	{0x0000a214, 0x00106c10},
+	{0x0000a218, 0x009c4060},
+	{0x0000a220, 0x018830c6},
+	{0x0000a224, 0x00000400},
+	{0x0000a228, 0x00000bb5},
+	{0x0000a22c, 0x00000011},
+	{0x0000a234, 0x20202020},
+	{0x0000a238, 0x20202020},
+	{0x0000a23c, 0x13c889af},
+	{0x0000a240, 0x38490a20},
+	{0x0000a244, 0x00007bb6},
+	{0x0000a248, 0x0fff3ffc},
+	{0x0000a24c, 0x00000001},
+	{0x0000a250, 0x0000a000},
+	{0x0000a254, 0x00000000},
+	{0x0000a258, 0x0cc75380},
+	{0x0000a25c, 0x0f0f0f01},
+	{0x0000a260, 0xdfa91f01},
+	{0x0000a268, 0x00000000},
+	{0x0000a26c, 0x0e79e5c6},
+	{0x0000b26c, 0x0e79e5c6},
+	{0x0000c26c, 0x0e79e5c6},
+	{0x0000d270, 0x00820820},
+	{0x0000a278, 0x1ce739ce},
+	{0x0000a27c, 0x051701ce},
+	{0x0000a338, 0x00000000},
+	{0x0000a33c, 0x00000000},
+	{0x0000a340, 0x00000000},
+	{0x0000a344, 0x00000000},
+	{0x0000a348, 0x3fffffff},
+	{0x0000a34c, 0x3fffffff},
+	{0x0000a350, 0x3fffffff},
+	{0x0000a354, 0x0003ffff},
+	{0x0000a358, 0x79a8aa1f},
+	{0x0000d35c, 0x07ffffef},
+	{0x0000d360, 0x0fffffe7},
+	{0x0000d364, 0x17ffffe5},
+	{0x0000d368, 0x1fffffe4},
+	{0x0000d36c, 0x37ffffe3},
+	{0x0000d370, 0x3fffffe3},
+	{0x0000d374, 0x57ffffe3},
+	{0x0000d378, 0x5fffffe2},
+	{0x0000d37c, 0x7fffffe2},
+	{0x0000d380, 0x7f3c7bba},
+	{0x0000d384, 0xf3307ff0},
+	{0x0000a388, 0x08000000},
+	{0x0000a38c, 0x20202020},
+	{0x0000a390, 0x20202020},
+	{0x0000a394, 0x1ce739ce},
+	{0x0000a398, 0x000001ce},
+	{0x0000a39c, 0x00000001},
+	{0x0000a3a0, 0x00000000},
+	{0x0000a3a4, 0x00000000},
+	{0x0000a3a8, 0x00000000},
+	{0x0000a3ac, 0x00000000},
+	{0x0000a3b0, 0x00000000},
+	{0x0000a3b4, 0x00000000},
+	{0x0000a3b8, 0x00000000},
+	{0x0000a3bc, 0x00000000},
+	{0x0000a3c0, 0x00000000},
+	{0x0000a3c4, 0x00000000},
+	{0x0000a3c8, 0x00000246},
+	{0x0000a3cc, 0x20202020},
+	{0x0000a3d0, 0x20202020},
+	{0x0000a3d4, 0x20202020},
+	{0x0000a3dc, 0x1ce739ce},
+	{0x0000a3e0, 0x000001ce},
+};
+
+static const u32 ar5416Bank0[][2] = {
+	/* Addr      allmodes  */
+	{0x000098b0, 0x1e5795e5},
+	{0x000098e0, 0x02008020},
+};
+
+static const u32 ar5416BB_RfGain[][3] = {
+	/* Addr      5G_HT20     5G_HT40   */
+	{0x00009a00, 0x00000000, 0x00000000},
+	{0x00009a04, 0x00000040, 0x00000040},
+	{0x00009a08, 0x00000080, 0x00000080},
+	{0x00009a0c, 0x000001a1, 0x00000141},
+	{0x00009a10, 0x000001e1, 0x00000181},
+	{0x00009a14, 0x00000021, 0x000001c1},
+	{0x00009a18, 0x00000061, 0x00000001},
+	{0x00009a1c, 0x00000168, 0x00000041},
+	{0x00009a20, 0x000001a8, 0x000001a8},
+	{0x00009a24, 0x000001e8, 0x000001e8},
+	{0x00009a28, 0x00000028, 0x00000028},
+	{0x00009a2c, 0x00000068, 0x00000068},
+	{0x00009a30, 0x00000189, 0x000000a8},
+	{0x00009a34, 0x000001c9, 0x00000169},
+	{0x00009a38, 0x00000009, 0x000001a9},
+	{0x00009a3c, 0x00000049, 0x000001e9},
+	{0x00009a40, 0x00000089, 0x00000029},
+	{0x00009a44, 0x00000170, 0x00000069},
+	{0x00009a48, 0x000001b0, 0x00000190},
+	{0x00009a4c, 0x000001f0, 0x000001d0},
+	{0x00009a50, 0x00000030, 0x00000010},
+	{0x00009a54, 0x00000070, 0x00000050},
+	{0x00009a58, 0x00000191, 0x00000090},
+	{0x00009a5c, 0x000001d1, 0x00000151},
+	{0x00009a60, 0x00000011, 0x00000191},
+	{0x00009a64, 0x00000051, 0x000001d1},
+	{0x00009a68, 0x00000091, 0x00000011},
+	{0x00009a6c, 0x000001b8, 0x00000051},
+	{0x00009a70, 0x000001f8, 0x00000198},
+	{0x00009a74, 0x00000038, 0x000001d8},
+	{0x00009a78, 0x00000078, 0x00000018},
+	{0x00009a7c, 0x00000199, 0x00000058},
+	{0x00009a80, 0x000001d9, 0x00000098},
+	{0x00009a84, 0x00000019, 0x00000159},
+	{0x00009a88, 0x00000059, 0x00000199},
+	{0x00009a8c, 0x00000099, 0x000001d9},
+	{0x00009a90, 0x000000d9, 0x00000019},
+	{0x00009a94, 0x000000f9, 0x00000059},
+	{0x00009a98, 0x000000f9, 0x00000099},
+	{0x00009a9c, 0x000000f9, 0x000000d9},
+	{0x00009aa0, 0x000000f9, 0x000000f9},
+	{0x00009aa4, 0x000000f9, 0x000000f9},
+	{0x00009aa8, 0x000000f9, 0x000000f9},
+	{0x00009aac, 0x000000f9, 0x000000f9},
+	{0x00009ab0, 0x000000f9, 0x000000f9},
+	{0x00009ab4, 0x000000f9, 0x000000f9},
+	{0x00009ab8, 0x000000f9, 0x000000f9},
+	{0x00009abc, 0x000000f9, 0x000000f9},
+	{0x00009ac0, 0x000000f9, 0x000000f9},
+	{0x00009ac4, 0x000000f9, 0x000000f9},
+	{0x00009ac8, 0x000000f9, 0x000000f9},
+	{0x00009acc, 0x000000f9, 0x000000f9},
+	{0x00009ad0, 0x000000f9, 0x000000f9},
+	{0x00009ad4, 0x000000f9, 0x000000f9},
+	{0x00009ad8, 0x000000f9, 0x000000f9},
+	{0x00009adc, 0x000000f9, 0x000000f9},
+	{0x00009ae0, 0x000000f9, 0x000000f9},
+	{0x00009ae4, 0x000000f9, 0x000000f9},
+	{0x00009ae8, 0x000000f9, 0x000000f9},
+	{0x00009aec, 0x000000f9, 0x000000f9},
+	{0x00009af0, 0x000000f9, 0x000000f9},
+	{0x00009af4, 0x000000f9, 0x000000f9},
+	{0x00009af8, 0x000000f9, 0x000000f9},
+	{0x00009afc, 0x000000f9, 0x000000f9},
+};
+
+static const u32 ar5416Bank1[][2] = {
+	/* Addr      allmodes  */
+	{0x000098b0, 0x02108421},
+	{0x000098ec, 0x00000008},
+};
+
+static const u32 ar5416Bank2[][2] = {
+	/* Addr      allmodes  */
+	{0x000098b0, 0x0e73ff17},
+	{0x000098e0, 0x00000420},
+};
+
+static const u32 ar5416Bank3[][3] = {
+	/* Addr      5G_HT20     5G_HT40   */
+	{0x000098f0, 0x01400018, 0x01c00018},
+};
+
+static const u32 ar5416Bank6[][3] = {
+	/* Addr      5G_HT20     5G_HT40   */
+	{0x0000989c, 0x00000000, 0x00000000},
+	{0x0000989c, 0x00000000, 0x00000000},
+	{0x0000989c, 0x00000000, 0x00000000},
+	{0x0000989c, 0x00e00000, 0x00e00000},
+	{0x0000989c, 0x005e0000, 0x005e0000},
+	{0x0000989c, 0x00120000, 0x00120000},
+	{0x0000989c, 0x00620000, 0x00620000},
+	{0x0000989c, 0x00020000, 0x00020000},
+	{0x0000989c, 0x00ff0000, 0x00ff0000},
+	{0x0000989c, 0x00ff0000, 0x00ff0000},
+	{0x0000989c, 0x00ff0000, 0x00ff0000},
+	{0x0000989c, 0x40ff0000, 0x40ff0000},
+	{0x0000989c, 0x005f0000, 0x005f0000},
+	{0x0000989c, 0x00870000, 0x00870000},
+	{0x0000989c, 0x00f90000, 0x00f90000},
+	{0x0000989c, 0x007b0000, 0x007b0000},
+	{0x0000989c, 0x00ff0000, 0x00ff0000},
+	{0x0000989c, 0x00f50000, 0x00f50000},
+	{0x0000989c, 0x00dc0000, 0x00dc0000},
+	{0x0000989c, 0x00110000, 0x00110000},
+	{0x0000989c, 0x006100a8, 0x006100a8},
+	{0x0000989c, 0x004210a2, 0x004210a2},
+	{0x0000989c, 0x0014008f, 0x0014008f},
+	{0x0000989c, 0x00c40003, 0x00c40003},
+	{0x0000989c, 0x003000f2, 0x003000f2},
+	{0x0000989c, 0x00440016, 0x00440016},
+	{0x0000989c, 0x00410040, 0x00410040},
+	{0x0000989c, 0x0001805e, 0x0001805e},
+	{0x0000989c, 0x0000c0ab, 0x0000c0ab},
+	{0x0000989c, 0x000000f1, 0x000000f1},
+	{0x0000989c, 0x00002081, 0x00002081},
+	{0x0000989c, 0x000000d4, 0x000000d4},
+	{0x000098d0, 0x0000000f, 0x0010000f},
+};
+
+static const u32 ar5416Bank6TPC[][3] = {
+	/* Addr      5G_HT20     5G_HT40   */
+	{0x0000989c, 0x00000000, 0x00000000},
+	{0x0000989c, 0x00000000, 0x00000000},
+	{0x0000989c, 0x00000000, 0x00000000},
+	{0x0000989c, 0x00e00000, 0x00e00000},
+	{0x0000989c, 0x005e0000, 0x005e0000},
+	{0x0000989c, 0x00120000, 0x00120000},
+	{0x0000989c, 0x00620000, 0x00620000},
+	{0x0000989c, 0x00020000, 0x00020000},
+	{0x0000989c, 0x00ff0000, 0x00ff0000},
+	{0x0000989c, 0x00ff0000, 0x00ff0000},
+	{0x0000989c, 0x00ff0000, 0x00ff0000},
+	{0x0000989c, 0x40ff0000, 0x40ff0000},
+	{0x0000989c, 0x005f0000, 0x005f0000},
+	{0x0000989c, 0x00870000, 0x00870000},
+	{0x0000989c, 0x00f90000, 0x00f90000},
+	{0x0000989c, 0x007b0000, 0x007b0000},
+	{0x0000989c, 0x00ff0000, 0x00ff0000},
+	{0x0000989c, 0x00f50000, 0x00f50000},
+	{0x0000989c, 0x00dc0000, 0x00dc0000},
+	{0x0000989c, 0x00110000, 0x00110000},
+	{0x0000989c, 0x006100a8, 0x006100a8},
+	{0x0000989c, 0x00423022, 0x00423022},
+	{0x0000989c, 0x201400df, 0x201400df},
+	{0x0000989c, 0x00c40002, 0x00c40002},
+	{0x0000989c, 0x003000f2, 0x003000f2},
+	{0x0000989c, 0x00440016, 0x00440016},
+	{0x0000989c, 0x00410040, 0x00410040},
+	{0x0000989c, 0x0001805e, 0x0001805e},
+	{0x0000989c, 0x0000c0ab, 0x0000c0ab},
+	{0x0000989c, 0x000000e1, 0x000000e1},
+	{0x0000989c, 0x00007081, 0x00007081},
+	{0x0000989c, 0x000000d4, 0x000000d4},
+	{0x000098d0, 0x0000000f, 0x0010000f},
+};
+
+static const u32 ar5416Bank7[][2] = {
+	/* Addr      allmodes  */
+	{0x0000989c, 0x00000500},
+	{0x0000989c, 0x00000800},
+	{0x000098cc, 0x0000000e},
+};
+
+static const u32 ar5416Addac[][2] = {
+	/* Addr      allmodes  */
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000003},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x0000000c},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000030},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000060},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000058},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x0000989c, 0x00000000},
+	{0x000098cc, 0x00000000},
+};

src/drivers/net/ath/ath9k/ar9002_phy.h

@@ -0,0 +1,613 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef AR9002_PHY_H
+#define AR9002_PHY_H
+
+#define AR_PHY_TEST             0x9800
+#define PHY_AGC_CLR             0x10000000
+#define RFSILENT_BB             0x00002000
+
+#define AR_PHY_TURBO                0x9804
+#define AR_PHY_FC_TURBO_MODE        0x00000001
+#define AR_PHY_FC_TURBO_SHORT       0x00000002
+#define AR_PHY_FC_DYN2040_EN        0x00000004
+#define AR_PHY_FC_DYN2040_PRI_ONLY  0x00000008
+#define AR_PHY_FC_DYN2040_PRI_CH    0x00000010
+/* For 25 MHz channel spacing -- not used but supported by hw */
+#define AR_PHY_FC_DYN2040_EXT_CH    0x00000020
+#define AR_PHY_FC_HT_EN             0x00000040
+#define AR_PHY_FC_SHORT_GI_40       0x00000080
+#define AR_PHY_FC_WALSH             0x00000100
+#define AR_PHY_FC_SINGLE_HT_LTF1    0x00000200
+#define AR_PHY_FC_ENABLE_DAC_FIFO   0x00000800
+
+#define AR_PHY_TEST2			0x9808
+
+#define AR_PHY_TIMING2           0x9810
+#define AR_PHY_TIMING3           0x9814
+#define AR_PHY_TIMING3_DSC_MAN   0xFFFE0000
+#define AR_PHY_TIMING3_DSC_MAN_S 17
+#define AR_PHY_TIMING3_DSC_EXP   0x0001E000
+#define AR_PHY_TIMING3_DSC_EXP_S 13
+
+#define AR_PHY_CHIP_ID_REV_0      0x80
+#define AR_PHY_CHIP_ID_REV_1      0x81
+#define AR_PHY_CHIP_ID_9160_REV_0 0xb0
+
+#define AR_PHY_ACTIVE       0x981C
+#define AR_PHY_ACTIVE_EN    0x00000001
+#define AR_PHY_ACTIVE_DIS   0x00000000
+
+#define AR_PHY_RF_CTL2             0x9824
+#define AR_PHY_TX_END_DATA_START   0x000000FF
+#define AR_PHY_TX_END_DATA_START_S 0
+#define AR_PHY_TX_END_PA_ON        0x0000FF00
+#define AR_PHY_TX_END_PA_ON_S      8
+
+#define AR_PHY_RF_CTL3                  0x9828
+#define AR_PHY_TX_END_TO_A2_RX_ON       0x00FF0000
+#define AR_PHY_TX_END_TO_A2_RX_ON_S     16
+
+#define AR_PHY_ADC_CTL                  0x982C
+#define AR_PHY_ADC_CTL_OFF_INBUFGAIN    0x00000003
+#define AR_PHY_ADC_CTL_OFF_INBUFGAIN_S  0
+#define AR_PHY_ADC_CTL_OFF_PWDDAC       0x00002000
+#define AR_PHY_ADC_CTL_OFF_PWDBANDGAP   0x00004000
+#define AR_PHY_ADC_CTL_OFF_PWDADC       0x00008000
+#define AR_PHY_ADC_CTL_ON_INBUFGAIN     0x00030000
+#define AR_PHY_ADC_CTL_ON_INBUFGAIN_S   16
+
+#define AR_PHY_ADC_SERIAL_CTL       0x9830
+#define AR_PHY_SEL_INTERNAL_ADDAC   0x00000000
+#define AR_PHY_SEL_EXTERNAL_RADIO   0x00000001
+
+#define AR_PHY_RF_CTL4                    0x9834
+#define AR_PHY_RF_CTL4_TX_END_XPAB_OFF    0xFF000000
+#define AR_PHY_RF_CTL4_TX_END_XPAB_OFF_S  24
+#define AR_PHY_RF_CTL4_TX_END_XPAA_OFF    0x00FF0000
+#define AR_PHY_RF_CTL4_TX_END_XPAA_OFF_S  16
+#define AR_PHY_RF_CTL4_FRAME_XPAB_ON      0x0000FF00
+#define AR_PHY_RF_CTL4_FRAME_XPAB_ON_S    8
+#define AR_PHY_RF_CTL4_FRAME_XPAA_ON      0x000000FF
+#define AR_PHY_RF_CTL4_FRAME_XPAA_ON_S    0
+
+#define AR_PHY_TSTDAC_CONST               0x983c
+
+#define AR_PHY_SETTLING          0x9844
+#define AR_PHY_SETTLING_SWITCH   0x00003F80
+#define AR_PHY_SETTLING_SWITCH_S 7
+
+#define AR_PHY_RXGAIN                   0x9848
+#define AR_PHY_RXGAIN_TXRX_ATTEN        0x0003F000
+#define AR_PHY_RXGAIN_TXRX_ATTEN_S      12
+#define AR_PHY_RXGAIN_TXRX_RF_MAX       0x007C0000
+#define AR_PHY_RXGAIN_TXRX_RF_MAX_S     18
+#define AR9280_PHY_RXGAIN_TXRX_ATTEN    0x00003F80
+#define AR9280_PHY_RXGAIN_TXRX_ATTEN_S  7
+#define AR9280_PHY_RXGAIN_TXRX_MARGIN   0x001FC000
+#define AR9280_PHY_RXGAIN_TXRX_MARGIN_S 14
+
+#define AR_PHY_DESIRED_SZ           0x9850
+#define AR_PHY_DESIRED_SZ_ADC       0x000000FF
+#define AR_PHY_DESIRED_SZ_ADC_S     0
+#define AR_PHY_DESIRED_SZ_PGA       0x0000FF00
+#define AR_PHY_DESIRED_SZ_PGA_S     8
+#define AR_PHY_DESIRED_SZ_TOT_DES   0x0FF00000
+#define AR_PHY_DESIRED_SZ_TOT_DES_S 20
+
+#define AR_PHY_FIND_SIG           0x9858
+#define AR_PHY_FIND_SIG_FIRSTEP   0x0003F000
+#define AR_PHY_FIND_SIG_FIRSTEP_S 12
+#define AR_PHY_FIND_SIG_FIRPWR    0x03FC0000
+#define AR_PHY_FIND_SIG_FIRPWR_S  18
+
+#define AR_PHY_FIND_SIG_LOW           0x9840
+#define AR_PHY_FIND_SIG_FIRSTEP_LOW   0x00000FC0L
+#define AR_PHY_FIND_SIG_FIRSTEP_LOW_S 6
+
+#define AR_PHY_AGC_CTL1                  0x985C
+#define AR_PHY_AGC_CTL1_COARSE_LOW       0x00007F80
+#define AR_PHY_AGC_CTL1_COARSE_LOW_S     7
+#define AR_PHY_AGC_CTL1_COARSE_HIGH      0x003F8000
+#define AR_PHY_AGC_CTL1_COARSE_HIGH_S    15
+
+#define AR_PHY_CCA                  0x9864
+#define AR_PHY_MINCCA_PWR           0x0FF80000
+#define AR_PHY_MINCCA_PWR_S         19
+#define AR_PHY_CCA_THRESH62         0x0007F000
+#define AR_PHY_CCA_THRESH62_S       12
+#define AR9280_PHY_MINCCA_PWR       0x1FF00000
+#define AR9280_PHY_MINCCA_PWR_S     20
+#define AR9280_PHY_CCA_THRESH62     0x000FF000
+#define AR9280_PHY_CCA_THRESH62_S   12
+
+#define AR_PHY_SFCORR_LOW                    0x986C
+#define AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW  0x00000001
+#define AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW    0x00003F00
+#define AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW_S  8
+#define AR_PHY_SFCORR_LOW_M1_THRESH_LOW      0x001FC000
+#define AR_PHY_SFCORR_LOW_M1_THRESH_LOW_S    14
+#define AR_PHY_SFCORR_LOW_M2_THRESH_LOW      0x0FE00000
+#define AR_PHY_SFCORR_LOW_M2_THRESH_LOW_S    21
+
+#define AR_PHY_SFCORR                0x9868
+#define AR_PHY_SFCORR_M2COUNT_THR    0x0000001F
+#define AR_PHY_SFCORR_M2COUNT_THR_S  0
+#define AR_PHY_SFCORR_M1_THRESH      0x00FE0000
+#define AR_PHY_SFCORR_M1_THRESH_S    17
+#define AR_PHY_SFCORR_M2_THRESH      0x7F000000
+#define AR_PHY_SFCORR_M2_THRESH_S    24
+
+#define AR_PHY_SLEEP_CTR_CONTROL    0x9870
+#define AR_PHY_SLEEP_CTR_LIMIT      0x9874
+#define AR_PHY_SYNTH_CONTROL        0x9874
+#define AR_PHY_SLEEP_SCAL           0x9878
+
+#define AR_PHY_PLL_CTL          0x987c
+#define AR_PHY_PLL_CTL_40       0xaa
+#define AR_PHY_PLL_CTL_40_5413  0x04
+#define AR_PHY_PLL_CTL_44       0xab
+#define AR_PHY_PLL_CTL_44_2133  0xeb
+#define AR_PHY_PLL_CTL_40_2133  0xea
+
+#define AR_PHY_SPECTRAL_SCAN			0x9910  /* AR9280 spectral scan configuration register */
+#define	AR_PHY_SPECTRAL_SCAN_ENABLE		0x1
+#define AR_PHY_SPECTRAL_SCAN_ENA		0x00000001  /* Enable spectral scan, reg 68, bit 0 */
+#define AR_PHY_SPECTRAL_SCAN_ENA_S		0  /* Enable spectral scan, reg 68, bit 0 */
+#define AR_PHY_SPECTRAL_SCAN_ACTIVE		0x00000002  /* Activate spectral scan reg 68, bit 1*/
+#define AR_PHY_SPECTRAL_SCAN_ACTIVE_S		1  /* Activate spectral scan reg 68, bit 1*/
+#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD		0x000000F0  /* Interval for FFT reports, reg 68, bits 4-7*/
+#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S	4
+#define AR_PHY_SPECTRAL_SCAN_PERIOD		0x0000FF00  /* Interval for FFT reports, reg 68, bits 8-15*/
+#define AR_PHY_SPECTRAL_SCAN_PERIOD_S		8
+#define AR_PHY_SPECTRAL_SCAN_COUNT		0x00FF0000  /* Number of reports, reg 68, bits 16-23*/
+#define AR_PHY_SPECTRAL_SCAN_COUNT_S		16
+#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT	0x01000000  /* Short repeat, reg 68, bit 24*/
+#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_S	24  /* Short repeat, reg 68, bit 24*/
+
+#define AR_PHY_RX_DELAY           0x9914
+#define AR_PHY_SEARCH_START_DELAY 0x9918
+#define AR_PHY_RX_DELAY_DELAY     0x00003FFF
+
+#define AR_PHY_TIMING_CTRL4(_i)     (0x9920 + ((_i) << 12))
+#define AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF 0x01F
+#define AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF_S   0
+#define AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF 0x7E0
+#define AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF_S   5
+#define AR_PHY_TIMING_CTRL4_IQCORR_ENABLE   0x800
+#define AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX 0xF000
+#define AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX_S   12
+#define AR_PHY_TIMING_CTRL4_DO_CAL    0x10000
+
+#define AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI	0x80000000
+#define	AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER	0x40000000
+#define	AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK	0x20000000
+#define	AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK	0x10000000
+
+#define AR_PHY_TIMING5               0x9924
+#define AR_PHY_TIMING5_CYCPWR_THR1   0x000000FE
+#define AR_PHY_TIMING5_CYCPWR_THR1_S 1
+
+#define AR_PHY_POWER_TX_RATE1               0x9934
+#define AR_PHY_POWER_TX_RATE2               0x9938
+#define AR_PHY_POWER_TX_RATE_MAX            0x993c
+#define AR_PHY_POWER_TX_RATE_MAX_TPC_ENABLE 0x00000040
+
+#define AR_PHY_FRAME_CTL            0x9944
+#define AR_PHY_FRAME_CTL_TX_CLIP    0x00000038
+#define AR_PHY_FRAME_CTL_TX_CLIP_S  3
+
+#define AR_PHY_TXPWRADJ                   0x994C
+#define AR_PHY_TXPWRADJ_CCK_GAIN_DELTA    0x00000FC0
+#define AR_PHY_TXPWRADJ_CCK_GAIN_DELTA_S  6
+#define AR_PHY_TXPWRADJ_CCK_PCDAC_INDEX   0x00FC0000
+#define AR_PHY_TXPWRADJ_CCK_PCDAC_INDEX_S 18
+
+#define AR_PHY_RADAR_EXT      0x9940
+#define AR_PHY_RADAR_EXT_ENA  0x00004000
+
+#define AR_PHY_RADAR_0          0x9954
+#define AR_PHY_RADAR_0_ENA      0x00000001
+#define AR_PHY_RADAR_0_FFT_ENA  0x80000000
+#define AR_PHY_RADAR_0_INBAND   0x0000003e
+#define AR_PHY_RADAR_0_INBAND_S 1
+#define AR_PHY_RADAR_0_PRSSI    0x00000FC0
+#define AR_PHY_RADAR_0_PRSSI_S  6
+#define AR_PHY_RADAR_0_HEIGHT   0x0003F000
+#define AR_PHY_RADAR_0_HEIGHT_S 12
+#define AR_PHY_RADAR_0_RRSSI    0x00FC0000
+#define AR_PHY_RADAR_0_RRSSI_S  18
+#define AR_PHY_RADAR_0_FIRPWR   0x7F000000
+#define AR_PHY_RADAR_0_FIRPWR_S 24
+
+#define AR_PHY_RADAR_1                  0x9958
+#define AR_PHY_RADAR_1_RELPWR_ENA       0x00800000
+#define AR_PHY_RADAR_1_USE_FIR128       0x00400000
+#define AR_PHY_RADAR_1_RELPWR_THRESH    0x003F0000
+#define AR_PHY_RADAR_1_RELPWR_THRESH_S  16
+#define AR_PHY_RADAR_1_BLOCK_CHECK      0x00008000
+#define AR_PHY_RADAR_1_MAX_RRSSI        0x00004000
+#define AR_PHY_RADAR_1_RELSTEP_CHECK    0x00002000
+#define AR_PHY_RADAR_1_RELSTEP_THRESH   0x00001F00
+#define AR_PHY_RADAR_1_RELSTEP_THRESH_S 8
+#define AR_PHY_RADAR_1_MAXLEN           0x000000FF
+#define AR_PHY_RADAR_1_MAXLEN_S         0
+
+#define AR_PHY_SWITCH_CHAIN_0     0x9960
+#define AR_PHY_SWITCH_COM         0x9964
+
+#define AR_PHY_SIGMA_DELTA            0x996C
+#define AR_PHY_SIGMA_DELTA_ADC_SEL    0x00000003
+#define AR_PHY_SIGMA_DELTA_ADC_SEL_S  0
+#define AR_PHY_SIGMA_DELTA_FILT2      0x000000F8
+#define AR_PHY_SIGMA_DELTA_FILT2_S    3
+#define AR_PHY_SIGMA_DELTA_FILT1      0x00001F00
+#define AR_PHY_SIGMA_DELTA_FILT1_S    8
+#define AR_PHY_SIGMA_DELTA_ADC_CLIP   0x01FFE000
+#define AR_PHY_SIGMA_DELTA_ADC_CLIP_S 13
+
+#define AR_PHY_RESTART          0x9970
+#define AR_PHY_RESTART_DIV_GC   0x001C0000
+#define AR_PHY_RESTART_DIV_GC_S 18
+
+#define AR_PHY_RFBUS_REQ        0x997C
+#define AR_PHY_RFBUS_REQ_EN     0x00000001
+
+#define	AR_PHY_TIMING7		        0x9980
+#define	AR_PHY_TIMING8		        0x9984
+#define	AR_PHY_TIMING8_PILOT_MASK_2	0x000FFFFF
+#define	AR_PHY_TIMING8_PILOT_MASK_2_S	0
+
+#define	AR_PHY_BIN_MASK2_1	0x9988
+#define	AR_PHY_BIN_MASK2_2	0x998c
+#define	AR_PHY_BIN_MASK2_3	0x9990
+#define	AR_PHY_BIN_MASK2_4	0x9994
+
+#define	AR_PHY_BIN_MASK_1	0x9900
+#define	AR_PHY_BIN_MASK_2	0x9904
+#define	AR_PHY_BIN_MASK_3	0x9908
+
+#define	AR_PHY_MASK_CTL		0x990c
+
+#define	AR_PHY_BIN_MASK2_4_MASK_4	0x00003FFF
+#define	AR_PHY_BIN_MASK2_4_MASK_4_S	0
+
+#define	AR_PHY_TIMING9		        0x9998
+#define	AR_PHY_TIMING10		        0x999c
+#define	AR_PHY_TIMING10_PILOT_MASK_2	0x000FFFFF
+#define	AR_PHY_TIMING10_PILOT_MASK_2_S	0
+
+#define	AR_PHY_TIMING11			        0x99a0
+#define	AR_PHY_TIMING11_SPUR_DELTA_PHASE	0x000FFFFF
+#define	AR_PHY_TIMING11_SPUR_DELTA_PHASE_S	0
+#define AR_PHY_TIMING11_USE_SPUR_IN_AGC		0x40000000
+#define AR_PHY_TIMING11_USE_SPUR_IN_SELFCOR	0x80000000
+
+#define AR_PHY_RX_CHAINMASK     0x99a4
+#define AR_PHY_NEW_ADC_DC_GAIN_CORR(_i) (0x99b4 + ((_i) << 12))
+#define AR_PHY_NEW_ADC_GAIN_CORR_ENABLE 0x40000000
+#define AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE 0x80000000
+
+#define AR_PHY_MULTICHAIN_GAIN_CTL          0x99ac
+#define AR_PHY_9285_FAST_DIV_BIAS	    0x00007E00
+#define AR_PHY_9285_FAST_DIV_BIAS_S	    9
+#define AR_PHY_9285_ANT_DIV_CTL_ALL         0x7f000000
+#define AR_PHY_9285_ANT_DIV_CTL             0x01000000
+#define AR_PHY_9285_ANT_DIV_CTL_S           24
+#define AR_PHY_9285_ANT_DIV_ALT_LNACONF     0x06000000
+#define AR_PHY_9285_ANT_DIV_ALT_LNACONF_S   25
+#define AR_PHY_9285_ANT_DIV_MAIN_LNACONF    0x18000000
+#define AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S  27
+#define AR_PHY_9285_ANT_DIV_ALT_GAINTB      0x20000000
+#define AR_PHY_9285_ANT_DIV_ALT_GAINTB_S    29
+#define AR_PHY_9285_ANT_DIV_MAIN_GAINTB     0x40000000
+#define AR_PHY_9285_ANT_DIV_MAIN_GAINTB_S   30
+#define AR_PHY_9285_ANT_DIV_LNA1            2
+#define AR_PHY_9285_ANT_DIV_LNA2            1
+#define AR_PHY_9285_ANT_DIV_LNA1_PLUS_LNA2  3
+#define AR_PHY_9285_ANT_DIV_LNA1_MINUS_LNA2 0
+#define AR_PHY_9285_ANT_DIV_GAINTB_0        0
+#define AR_PHY_9285_ANT_DIV_GAINTB_1        1
+
+#define AR_PHY_EXT_CCA0             0x99b8
+#define AR_PHY_EXT_CCA0_THRESH62    0x000000FF
+#define AR_PHY_EXT_CCA0_THRESH62_S  0
+
+#define AR_PHY_EXT_CCA                  0x99bc
+#define AR_PHY_EXT_CCA_CYCPWR_THR1      0x0000FE00
+#define AR_PHY_EXT_CCA_CYCPWR_THR1_S    9
+#define AR_PHY_EXT_CCA_THRESH62         0x007F0000
+#define AR_PHY_EXT_CCA_THRESH62_S       16
+#define AR_PHY_EXT_TIMING5_CYCPWR_THR1   0x0000FE00L
+#define AR_PHY_EXT_TIMING5_CYCPWR_THR1_S 9
+
+#define AR_PHY_EXT_MINCCA_PWR           0xFF800000
+#define AR_PHY_EXT_MINCCA_PWR_S         23
+#define AR9280_PHY_EXT_MINCCA_PWR       0x01FF0000
+#define AR9280_PHY_EXT_MINCCA_PWR_S     16
+
+#define AR_PHY_SFCORR_EXT                 0x99c0
+#define AR_PHY_SFCORR_EXT_M1_THRESH       0x0000007F
+#define AR_PHY_SFCORR_EXT_M1_THRESH_S     0
+#define AR_PHY_SFCORR_EXT_M2_THRESH       0x00003F80
+#define AR_PHY_SFCORR_EXT_M2_THRESH_S     7
+#define AR_PHY_SFCORR_EXT_M1_THRESH_LOW   0x001FC000
+#define AR_PHY_SFCORR_EXT_M1_THRESH_LOW_S 14
+#define AR_PHY_SFCORR_EXT_M2_THRESH_LOW   0x0FE00000
+#define AR_PHY_SFCORR_EXT_M2_THRESH_LOW_S 21
+#define AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S   28
+
+#define AR_PHY_HALFGI           0x99D0
+#define AR_PHY_HALFGI_DSC_MAN   0x0007FFF0
+#define AR_PHY_HALFGI_DSC_MAN_S 4
+#define AR_PHY_HALFGI_DSC_EXP   0x0000000F
+#define AR_PHY_HALFGI_DSC_EXP_S 0
+
+#define AR_PHY_CHAN_INFO_MEMORY               0x99DC
+#define AR_PHY_CHAN_INFO_MEMORY_CAPTURE_MASK  0x0001
+
+#define AR_PHY_HEAVY_CLIP_ENABLE         0x99E0
+
+#define AR_PHY_HEAVY_CLIP_FACTOR_RIFS    0x99EC
+#define AR_PHY_RIFS_INIT_DELAY         0x03ff0000
+
+#define AR_PHY_M_SLEEP      0x99f0
+#define AR_PHY_REFCLKDLY    0x99f4
+#define AR_PHY_REFCLKPD     0x99f8
+
+#define AR_PHY_CALMODE      0x99f0
+
+#define AR_PHY_CALMODE_IQ           0x00000000
+#define AR_PHY_CALMODE_ADC_GAIN     0x00000001
+#define AR_PHY_CALMODE_ADC_DC_PER   0x00000002
+#define AR_PHY_CALMODE_ADC_DC_INIT  0x00000003
+
+#define AR_PHY_CAL_MEAS_0(_i)     (0x9c10 + ((_i) << 12))
+#define AR_PHY_CAL_MEAS_1(_i)     (0x9c14 + ((_i) << 12))
+#define AR_PHY_CAL_MEAS_2(_i)     (0x9c18 + ((_i) << 12))
+#define AR_PHY_CAL_MEAS_3(_i)     (0x9c1c + ((_i) << 12))
+
+#define AR_PHY_CURRENT_RSSI 0x9c1c
+#define AR9280_PHY_CURRENT_RSSI 0x9c3c
+
+#define AR_PHY_RFBUS_GRANT       0x9C20
+#define AR_PHY_RFBUS_GRANT_EN    0x00000001
+
+#define AR_PHY_CHAN_INFO_GAIN_DIFF             0x9CF4
+#define AR_PHY_CHAN_INFO_GAIN_DIFF_UPPER_LIMIT 320
+
+#define AR_PHY_CHAN_INFO_GAIN          0x9CFC
+
+#define AR_PHY_MODE         0xA200
+#define AR_PHY_MODE_ASYNCFIFO 0x80
+#define AR_PHY_MODE_AR2133  0x08
+#define AR_PHY_MODE_AR5111  0x00
+#define AR_PHY_MODE_AR5112  0x08
+#define AR_PHY_MODE_DYNAMIC 0x04
+#define AR_PHY_MODE_RF2GHZ  0x02
+#define AR_PHY_MODE_RF5GHZ  0x00
+#define AR_PHY_MODE_CCK     0x01
+#define AR_PHY_MODE_OFDM    0x00
+#define AR_PHY_MODE_DYN_CCK_DISABLE 0x100
+
+#define AR_PHY_CCK_TX_CTRL       0xA204
+#define AR_PHY_CCK_TX_CTRL_JAPAN 0x00000010
+#define AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK         0x0000000C
+#define AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK_S       2
+
+#define AR_PHY_CCK_DETECT                           0xA208
+#define AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK          0x0000003F
+#define AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK_S        0
+/* [12:6] settling time for antenna switch */
+#define AR_PHY_CCK_DETECT_ANT_SWITCH_TIME           0x00001FC0
+#define AR_PHY_CCK_DETECT_ANT_SWITCH_TIME_S         6
+#define AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV    0x2000
+#define AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV_S  13
+
+#define AR_PHY_GAIN_2GHZ                0xA20C
+#define AR_PHY_GAIN_2GHZ_RXTX_MARGIN    0x00FC0000
+#define AR_PHY_GAIN_2GHZ_RXTX_MARGIN_S  18
+#define AR_PHY_GAIN_2GHZ_BSW_MARGIN     0x00003C00
+#define AR_PHY_GAIN_2GHZ_BSW_MARGIN_S   10
+#define AR_PHY_GAIN_2GHZ_BSW_ATTEN      0x0000001F
+#define AR_PHY_GAIN_2GHZ_BSW_ATTEN_S    0
+
+#define AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN     0x003E0000
+#define AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN_S   17
+#define AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN     0x0001F000
+#define AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN_S   12
+#define AR_PHY_GAIN_2GHZ_XATTEN2_DB         0x00000FC0
+#define AR_PHY_GAIN_2GHZ_XATTEN2_DB_S       6
+#define AR_PHY_GAIN_2GHZ_XATTEN1_DB         0x0000003F
+#define AR_PHY_GAIN_2GHZ_XATTEN1_DB_S       0
+
+#define AR_PHY_CCK_RXCTRL4  0xA21C
+#define AR_PHY_CCK_RXCTRL4_FREQ_EST_SHORT   0x01F80000
+#define AR_PHY_CCK_RXCTRL4_FREQ_EST_SHORT_S 19
+
+#define AR_PHY_DAG_CTRLCCK  0xA228
+#define AR_PHY_DAG_CTRLCCK_EN_RSSI_THR  0x00000200
+#define AR_PHY_DAG_CTRLCCK_RSSI_THR     0x0001FC00
+#define AR_PHY_DAG_CTRLCCK_RSSI_THR_S   10
+
+#define AR_PHY_FORCE_CLKEN_CCK              0xA22C
+#define AR_PHY_FORCE_CLKEN_CCK_MRC_MUX      0x00000040
+
+#define AR_PHY_POWER_TX_RATE3   0xA234
+#define AR_PHY_POWER_TX_RATE4   0xA238
+
+#define AR_PHY_SCRM_SEQ_XR       0xA23C
+#define AR_PHY_HEADER_DETECT_XR  0xA240
+#define AR_PHY_CHIRP_DETECTED_XR 0xA244
+#define AR_PHY_BLUETOOTH         0xA254
+
+#define AR_PHY_TPCRG1   0xA258
+#define AR_PHY_TPCRG1_NUM_PD_GAIN   0x0000c000
+#define AR_PHY_TPCRG1_NUM_PD_GAIN_S 14
+
+#define AR_PHY_TPCRG1_PD_GAIN_1    0x00030000
+#define AR_PHY_TPCRG1_PD_GAIN_1_S  16
+#define AR_PHY_TPCRG1_PD_GAIN_2    0x000C0000
+#define AR_PHY_TPCRG1_PD_GAIN_2_S  18
+#define AR_PHY_TPCRG1_PD_GAIN_3    0x00300000
+#define AR_PHY_TPCRG1_PD_GAIN_3_S  20
+
+#define AR_PHY_TPCRG1_PD_CAL_ENABLE   0x00400000
+#define AR_PHY_TPCRG1_PD_CAL_ENABLE_S 22
+
+#define AR_PHY_TX_PWRCTRL4       0xa264
+#define AR_PHY_TX_PWRCTRL_PD_AVG_VALID     0x00000001
+#define AR_PHY_TX_PWRCTRL_PD_AVG_VALID_S   0
+#define AR_PHY_TX_PWRCTRL_PD_AVG_OUT       0x000001FE
+#define AR_PHY_TX_PWRCTRL_PD_AVG_OUT_S     1
+
+#define AR_PHY_TX_PWRCTRL6_0     0xa270
+#define AR_PHY_TX_PWRCTRL6_1     0xb270
+#define AR_PHY_TX_PWRCTRL_ERR_EST_MODE     0x03000000
+#define AR_PHY_TX_PWRCTRL_ERR_EST_MODE_S   24
+
+#define AR_PHY_TX_PWRCTRL7       0xa274
+#define AR_PHY_TX_PWRCTRL_INIT_TX_GAIN     0x01F80000
+#define AR_PHY_TX_PWRCTRL_INIT_TX_GAIN_S   19
+
+#define AR_PHY_TX_PWRCTRL8       0xa278
+
+#define AR_PHY_TX_PWRCTRL9       0xa27C
+
+#define AR_PHY_TX_PWRCTRL10       0xa394
+#define AR_PHY_TX_DESIRED_SCALE_CCK        0x00007C00
+#define AR_PHY_TX_DESIRED_SCALE_CCK_S      10
+#define AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL  0x80000000
+#define AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL_S 31
+
+#define AR_PHY_TX_GAIN_TBL1      0xa300
+#define AR_PHY_TX_GAIN                     0x0007F000
+#define AR_PHY_TX_GAIN_S                   12
+
+#define AR_PHY_CH0_TX_PWRCTRL11  0xa398
+#define AR_PHY_CH1_TX_PWRCTRL11  0xb398
+#define AR_PHY_CH0_TX_PWRCTRL12  0xa3dc
+#define AR_PHY_CH0_TX_PWRCTRL13  0xa3e0
+#define AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP   0x0000FC00
+#define AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP_S 10
+
+#define AR_PHY_VIT_MASK2_M_46_61 0xa3a0
+#define AR_PHY_MASK2_M_31_45     0xa3a4
+#define AR_PHY_MASK2_M_16_30     0xa3a8
+#define AR_PHY_MASK2_M_00_15     0xa3ac
+#define AR_PHY_MASK2_P_15_01     0xa3b8
+#define AR_PHY_MASK2_P_30_16     0xa3bc
+#define AR_PHY_MASK2_P_45_31     0xa3c0
+#define AR_PHY_MASK2_P_61_45     0xa3c4
+#define AR_PHY_SPUR_REG          0x994c
+
+#define AR_PHY_SPUR_REG_MASK_RATE_CNTL       (0xFF << 18)
+#define AR_PHY_SPUR_REG_MASK_RATE_CNTL_S     18
+
+#define AR_PHY_SPUR_REG_ENABLE_MASK_PPM      0x20000
+#define AR_PHY_SPUR_REG_MASK_RATE_SELECT     (0xFF << 9)
+#define AR_PHY_SPUR_REG_MASK_RATE_SELECT_S   9
+#define AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI 0x100
+#define AR_PHY_SPUR_REG_SPUR_RSSI_THRESH     0x7F
+#define AR_PHY_SPUR_REG_SPUR_RSSI_THRESH_S   0
+
+#define AR_PHY_PILOT_MASK_01_30   0xa3b0
+#define AR_PHY_PILOT_MASK_31_60   0xa3b4
+
+#define AR_PHY_CHANNEL_MASK_01_30 0x99d4
+#define AR_PHY_CHANNEL_MASK_31_60 0x99d8
+
+#define AR_PHY_ANALOG_SWAP      0xa268
+#define AR_PHY_SWAP_ALT_CHAIN   0x00000040
+
+#define AR_PHY_TPCRG5   0xA26C
+#define AR_PHY_TPCRG5_PD_GAIN_OVERLAP       0x0000000F
+#define AR_PHY_TPCRG5_PD_GAIN_OVERLAP_S     0
+#define AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1    0x000003F0
+#define AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1_S  4
+#define AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2    0x0000FC00
+#define AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2_S  10
+#define AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3    0x003F0000
+#define AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3_S  16
+#define AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4    0x0FC00000
+#define AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4_S  22
+
+/* Carrier leak calibration control, do it after AGC calibration */
+#define AR_PHY_CL_CAL_CTL       0xA358
+#define AR_PHY_CL_CAL_ENABLE    0x00000002
+#define AR_PHY_PARALLEL_CAL_ENABLE    0x00000001
+
+#define AR_PHY_POWER_TX_RATE5   0xA38C
+#define AR_PHY_POWER_TX_RATE6   0xA390
+
+#define AR_PHY_CAL_CHAINMASK    0xA39C
+
+#define AR_PHY_POWER_TX_SUB     0xA3C8
+#define AR_PHY_POWER_TX_RATE7   0xA3CC
+#define AR_PHY_POWER_TX_RATE8   0xA3D0
+#define AR_PHY_POWER_TX_RATE9   0xA3D4
+
+#define AR_PHY_XPA_CFG		0xA3D8
+#define AR_PHY_FORCE_XPA_CFG	0x000000001
+#define AR_PHY_FORCE_XPA_CFG_S	0
+
+#define AR_PHY_CH1_CCA          0xa864
+#define AR_PHY_CH1_MINCCA_PWR   0x0FF80000
+#define AR_PHY_CH1_MINCCA_PWR_S 19
+#define AR9280_PHY_CH1_MINCCA_PWR   0x1FF00000
+#define AR9280_PHY_CH1_MINCCA_PWR_S 20
+
+#define AR_PHY_CH2_CCA          0xb864
+#define AR_PHY_CH2_MINCCA_PWR   0x0FF80000
+#define AR_PHY_CH2_MINCCA_PWR_S 19
+
+#define AR_PHY_CH1_EXT_CCA          0xa9bc
+#define AR_PHY_CH1_EXT_MINCCA_PWR   0xFF800000
+#define AR_PHY_CH1_EXT_MINCCA_PWR_S 23
+#define AR9280_PHY_CH1_EXT_MINCCA_PWR   0x01FF0000
+#define AR9280_PHY_CH1_EXT_MINCCA_PWR_S 16
+
+#define AR_PHY_CH2_EXT_CCA          0xb9bc
+#define AR_PHY_CH2_EXT_MINCCA_PWR   0xFF800000
+#define AR_PHY_CH2_EXT_MINCCA_PWR_S 23
+
+#define AR_PHY_CCA_NOM_VAL_5416_2GHZ            -90
+#define AR_PHY_CCA_NOM_VAL_5416_5GHZ            -100
+#define AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ     -100
+#define AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ     -110
+#define AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ     -80
+#define AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ     -90
+
+#define AR_PHY_CCA_NOM_VAL_9280_2GHZ         -112
+#define AR_PHY_CCA_NOM_VAL_9280_5GHZ         -112
+#define AR_PHY_CCA_MIN_GOOD_VAL_9280_2GHZ  -127
+#define AR_PHY_CCA_MIN_GOOD_VAL_9280_5GHZ  -122
+#define AR_PHY_CCA_MAX_GOOD_VAL_9280_2GHZ  -97
+#define AR_PHY_CCA_MAX_GOOD_VAL_9280_5GHZ  -102
+
+#define AR_PHY_CCA_NOM_VAL_9285_2GHZ           -118
+#define AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ    -127
+#define AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ    -108
+
+#define AR_PHY_CCA_NOM_VAL_9271_2GHZ             -118
+#define AR_PHY_CCA_MIN_GOOD_VAL_9271_2GHZ      -127
+#define AR_PHY_CCA_MAX_GOOD_VAL_9271_2GHZ      -116
+
+#define AR_PHY_CCA_NOM_VAL_9287_2GHZ           -120
+#define AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ    -127
+#define AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ    -110
+
+#endif

src/drivers/net/ath/ath9k/ar9003_eeprom.h

@@ -0,0 +1,338 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef AR9003_EEPROM_H
+#define AR9003_EEPROM_H
+
+#define AR9300_EEP_VER               0xD000
+#define AR9300_EEP_VER_MINOR_MASK    0xFFF
+#define AR9300_EEP_MINOR_VER_1       0x1
+#define AR9300_EEP_MINOR_VER         AR9300_EEP_MINOR_VER_1
+
+/* 16-bit offset location start of calibration struct */
+#define AR9300_EEP_START_LOC         256
+#define AR9300_NUM_5G_CAL_PIERS      8
+#define AR9300_NUM_2G_CAL_PIERS      3
+#define AR9300_NUM_5G_20_TARGET_POWERS  8
+#define AR9300_NUM_5G_40_TARGET_POWERS  8
+#define AR9300_NUM_2G_CCK_TARGET_POWERS 2
+#define AR9300_NUM_2G_20_TARGET_POWERS  3
+#define AR9300_NUM_2G_40_TARGET_POWERS  3
+/* #define AR9300_NUM_CTLS              21 */
+#define AR9300_NUM_CTLS_5G           9
+#define AR9300_NUM_CTLS_2G           12
+#define AR9300_NUM_BAND_EDGES_5G     8
+#define AR9300_NUM_BAND_EDGES_2G     4
+#define AR9300_EEPMISC_BIG_ENDIAN    0x01
+#define AR9300_EEPMISC_WOW           0x02
+#define AR9300_CUSTOMER_DATA_SIZE    20
+
+#define FBIN2FREQ(x, y) ((y) ? (2300 + x) : (4800 + 5 * x))
+#define AR9300_MAX_CHAINS            3
+#define AR9300_ANT_16S               25
+#define AR9300_FUTURE_MODAL_SZ       6
+
+#define AR9300_PAPRD_RATE_MASK		0x01ffffff
+#define AR9300_PAPRD_SCALE_1		0x0e000000
+#define AR9300_PAPRD_SCALE_1_S		25
+#define AR9300_PAPRD_SCALE_2		0x70000000
+#define AR9300_PAPRD_SCALE_2_S		28
+
+/* Delta from which to start power to pdadc table */
+/* This offset is used in both open loop and closed loop power control
+ * schemes. In open loop power control, it is not really needed, but for
+ * the "sake of consistency" it was kept. For certain AP designs, this
+ * value is overwritten by the value in the flag "pwrTableOffset" just
+ * before writing the pdadc vs pwr into the chip registers.
+ */
+#define AR9300_PWR_TABLE_OFFSET  0
+
+/* byte addressable */
+#define AR9300_EEPROM_SIZE (16*1024)
+
+#define AR9300_BASE_ADDR_4K 0xfff
+#define AR9300_BASE_ADDR 0x3ff
+#define AR9300_BASE_ADDR_512 0x1ff
+
+#define AR9300_OTP_BASE			0x14000
+#define AR9300_OTP_STATUS		0x15f18
+#define AR9300_OTP_STATUS_TYPE		0x7
+#define AR9300_OTP_STATUS_VALID		0x4
+#define AR9300_OTP_STATUS_ACCESS_BUSY	0x2
+#define AR9300_OTP_STATUS_SM_BUSY	0x1
+#define AR9300_OTP_READ_DATA		0x15f1c
+
+enum targetPowerHTRates {
+	HT_TARGET_RATE_0_8_16,
+	HT_TARGET_RATE_1_3_9_11_17_19,
+	HT_TARGET_RATE_4,
+	HT_TARGET_RATE_5,
+	HT_TARGET_RATE_6,
+	HT_TARGET_RATE_7,
+	HT_TARGET_RATE_12,
+	HT_TARGET_RATE_13,
+	HT_TARGET_RATE_14,
+	HT_TARGET_RATE_15,
+	HT_TARGET_RATE_20,
+	HT_TARGET_RATE_21,
+	HT_TARGET_RATE_22,
+	HT_TARGET_RATE_23
+};
+
+enum targetPowerLegacyRates {
+	LEGACY_TARGET_RATE_6_24,
+	LEGACY_TARGET_RATE_36,
+	LEGACY_TARGET_RATE_48,
+	LEGACY_TARGET_RATE_54
+};
+
+enum targetPowerCckRates {
+	LEGACY_TARGET_RATE_1L_5L,
+	LEGACY_TARGET_RATE_5S,
+	LEGACY_TARGET_RATE_11L,
+	LEGACY_TARGET_RATE_11S
+};
+
+enum ar9300_Rates {
+	ALL_TARGET_LEGACY_6_24,
+	ALL_TARGET_LEGACY_36,
+	ALL_TARGET_LEGACY_48,
+	ALL_TARGET_LEGACY_54,
+	ALL_TARGET_LEGACY_1L_5L,
+	ALL_TARGET_LEGACY_5S,
+	ALL_TARGET_LEGACY_11L,
+	ALL_TARGET_LEGACY_11S,
+	ALL_TARGET_HT20_0_8_16,
+	ALL_TARGET_HT20_1_3_9_11_17_19,
+	ALL_TARGET_HT20_4,
+	ALL_TARGET_HT20_5,
+	ALL_TARGET_HT20_6,
+	ALL_TARGET_HT20_7,
+	ALL_TARGET_HT20_12,
+	ALL_TARGET_HT20_13,
+	ALL_TARGET_HT20_14,
+	ALL_TARGET_HT20_15,
+	ALL_TARGET_HT20_20,
+	ALL_TARGET_HT20_21,
+	ALL_TARGET_HT20_22,
+	ALL_TARGET_HT20_23,
+	ALL_TARGET_HT40_0_8_16,
+	ALL_TARGET_HT40_1_3_9_11_17_19,
+	ALL_TARGET_HT40_4,
+	ALL_TARGET_HT40_5,
+	ALL_TARGET_HT40_6,
+	ALL_TARGET_HT40_7,
+	ALL_TARGET_HT40_12,
+	ALL_TARGET_HT40_13,
+	ALL_TARGET_HT40_14,
+	ALL_TARGET_HT40_15,
+	ALL_TARGET_HT40_20,
+	ALL_TARGET_HT40_21,
+	ALL_TARGET_HT40_22,
+	ALL_TARGET_HT40_23,
+	ar9300RateSize,
+};
+
+
+struct eepFlags {
+	u8 opFlags;
+	u8 eepMisc;
+} __attribute__((packed));
+
+enum CompressAlgorithm {
+	_CompressNone = 0,
+	_CompressLzma,
+	_CompressPairs,
+	_CompressBlock,
+	_Compress4,
+	_Compress5,
+	_Compress6,
+	_Compress7,
+};
+
+struct ar9300_base_eep_hdr {
+	uint16_t regDmn[2];
+	/* 4 bits tx and 4 bits rx */
+	u8 txrxMask;
+	struct eepFlags opCapFlags;
+	u8 rfSilent;
+	u8 blueToothOptions;
+	u8 deviceCap;
+	/* takes lower byte in eeprom location */
+	u8 deviceType;
+	/* offset in dB to be added to beginning
+	 * of pdadc table in calibration
+	 */
+	int8_t pwrTableOffset;
+	u8 params_for_tuning_caps[2];
+	/*
+	 * bit0 - enable tx temp comp
+	 * bit1 - enable tx volt comp
+	 * bit2 - enable fastClock - default to 1
+	 * bit3 - enable doubling - default to 1
+	 * bit4 - enable internal regulator - default to 1
+	 */
+	u8 featureEnable;
+	/* misc flags: bit0 - turn down drivestrength */
+	u8 miscConfiguration;
+	u8 eepromWriteEnableGpio;
+	u8 wlanDisableGpio;
+	u8 wlanLedGpio;
+	u8 rxBandSelectGpio;
+	u8 txrxgain;
+	/* SW controlled internal regulator fields */
+	uint32_t swreg;
+} __attribute__((packed));
+
+struct ar9300_modal_eep_header {
+	/* 4 idle, t1, t2, b (4 bits per setting) */
+	uint32_t antCtrlCommon;
+	/* 4 ra1l1, ra2l1, ra1l2, ra2l2, ra12 */
+	uint32_t antCtrlCommon2;
+	/* 6 idle, t, r, rx1, rx12, b (2 bits each) */
+	uint16_t antCtrlChain[AR9300_MAX_CHAINS];
+	/* 3 xatten1_db for AR9280 (0xa20c/b20c 5:0) */
+	u8 xatten1DB[AR9300_MAX_CHAINS];
+	/* 3  xatten1_margin for merlin (0xa20c/b20c 16:12 */
+	u8 xatten1Margin[AR9300_MAX_CHAINS];
+	int8_t tempSlope;
+	int8_t voltSlope;
+	/* spur channels in usual fbin coding format */
+	u8 spurChans[AR_EEPROM_MODAL_SPURS];
+	/* 3  Check if the register is per chain */
+	int8_t noiseFloorThreshCh[AR9300_MAX_CHAINS];
+	u8 ob[AR9300_MAX_CHAINS];
+	u8 db_stage2[AR9300_MAX_CHAINS];
+	u8 db_stage3[AR9300_MAX_CHAINS];
+	u8 db_stage4[AR9300_MAX_CHAINS];
+	u8 xpaBiasLvl;
+	u8 txFrameToDataStart;
+	u8 txFrameToPaOn;
+	u8 txClip;
+	int8_t antennaGain;
+	u8 switchSettling;
+	int8_t adcDesiredSize;
+	u8 txEndToXpaOff;
+	u8 txEndToRxOn;
+	u8 txFrameToXpaOn;
+	u8 thresh62;
+	uint32_t papdRateMaskHt20;
+	uint32_t papdRateMaskHt40;
+	u8 futureModal[10];
+} __attribute__((packed));
+
+struct ar9300_cal_data_per_freq_op_loop {
+	int8_t refPower;
+	/* pdadc voltage at power measurement */
+	u8 voltMeas;
+	/* pcdac used for power measurement   */
+	u8 tempMeas;
+	/* range is -60 to -127 create a mapping equation 1db resolution */
+	int8_t rxNoisefloorCal;
+	/*range is same as noisefloor */
+	int8_t rxNoisefloorPower;
+	/* temp measured when noisefloor cal was performed */
+	u8 rxTempMeas;
+} __attribute__((packed));
+
+struct cal_tgt_pow_legacy {
+	u8 tPow2x[4];
+} __attribute__((packed));
+
+struct cal_tgt_pow_ht {
+	u8 tPow2x[14];
+} __attribute__((packed));
+
+struct cal_ctl_data_2g {
+	u8 ctlEdges[AR9300_NUM_BAND_EDGES_2G];
+} __attribute__((packed));
+
+struct cal_ctl_data_5g {
+	u8 ctlEdges[AR9300_NUM_BAND_EDGES_5G];
+} __attribute__((packed));
+
+struct ar9300_BaseExtension_1 {
+	u8 ant_div_control;
+	u8 future[13];
+} __attribute__((packed));
+
+struct ar9300_BaseExtension_2 {
+	int8_t    tempSlopeLow;
+	int8_t    tempSlopeHigh;
+	u8   xatten1DBLow[AR9300_MAX_CHAINS];
+	u8   xatten1MarginLow[AR9300_MAX_CHAINS];
+	u8   xatten1DBHigh[AR9300_MAX_CHAINS];
+	u8   xatten1MarginHigh[AR9300_MAX_CHAINS];
+} __attribute__((packed));
+
+struct ar9300_eeprom {
+	u8 eepromVersion;
+	u8 templateVersion;
+	u8 macAddr[6];
+	u8 custData[AR9300_CUSTOMER_DATA_SIZE];
+
+	struct ar9300_base_eep_hdr baseEepHeader;
+
+	struct ar9300_modal_eep_header modalHeader2G;
+	struct ar9300_BaseExtension_1 base_ext1;
+	u8 calFreqPier2G[AR9300_NUM_2G_CAL_PIERS];
+	struct ar9300_cal_data_per_freq_op_loop
+	 calPierData2G[AR9300_MAX_CHAINS][AR9300_NUM_2G_CAL_PIERS];
+	u8 calTarget_freqbin_Cck[AR9300_NUM_2G_CCK_TARGET_POWERS];
+	u8 calTarget_freqbin_2G[AR9300_NUM_2G_20_TARGET_POWERS];
+	u8 calTarget_freqbin_2GHT20[AR9300_NUM_2G_20_TARGET_POWERS];
+	u8 calTarget_freqbin_2GHT40[AR9300_NUM_2G_40_TARGET_POWERS];
+	struct cal_tgt_pow_legacy
+	 calTargetPowerCck[AR9300_NUM_2G_CCK_TARGET_POWERS];
+	struct cal_tgt_pow_legacy
+	 calTargetPower2G[AR9300_NUM_2G_20_TARGET_POWERS];
+	struct cal_tgt_pow_ht
+	 calTargetPower2GHT20[AR9300_NUM_2G_20_TARGET_POWERS];
+	struct cal_tgt_pow_ht
+	 calTargetPower2GHT40[AR9300_NUM_2G_40_TARGET_POWERS];
+	u8 ctlIndex_2G[AR9300_NUM_CTLS_2G];
+	u8 ctl_freqbin_2G[AR9300_NUM_CTLS_2G][AR9300_NUM_BAND_EDGES_2G];
+	struct cal_ctl_data_2g ctlPowerData_2G[AR9300_NUM_CTLS_2G];
+	struct ar9300_modal_eep_header modalHeader5G;
+	struct ar9300_BaseExtension_2 base_ext2;
+	u8 calFreqPier5G[AR9300_NUM_5G_CAL_PIERS];
+	struct ar9300_cal_data_per_freq_op_loop
+	 calPierData5G[AR9300_MAX_CHAINS][AR9300_NUM_5G_CAL_PIERS];
+	u8 calTarget_freqbin_5G[AR9300_NUM_5G_20_TARGET_POWERS];
+	u8 calTarget_freqbin_5GHT20[AR9300_NUM_5G_20_TARGET_POWERS];
+	u8 calTarget_freqbin_5GHT40[AR9300_NUM_5G_40_TARGET_POWERS];
+	struct cal_tgt_pow_legacy
+	 calTargetPower5G[AR9300_NUM_5G_20_TARGET_POWERS];
+	struct cal_tgt_pow_ht
+	 calTargetPower5GHT20[AR9300_NUM_5G_20_TARGET_POWERS];
+	struct cal_tgt_pow_ht
+	 calTargetPower5GHT40[AR9300_NUM_5G_40_TARGET_POWERS];
+	u8 ctlIndex_5G[AR9300_NUM_CTLS_5G];
+	u8 ctl_freqbin_5G[AR9300_NUM_CTLS_5G][AR9300_NUM_BAND_EDGES_5G];
+	struct cal_ctl_data_5g ctlPowerData_5G[AR9300_NUM_CTLS_5G];
+} __attribute__((packed));
+
+s32 ar9003_hw_get_tx_gain_idx(struct ath_hw *ah);
+s32 ar9003_hw_get_rx_gain_idx(struct ath_hw *ah);
+
+u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, int is_2ghz);
+
+unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah,
+					   struct ath9k_channel *chan);
+#endif

src/drivers/net/ath/ath9k/ar9003_mac.h

@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef AR9003_MAC_H
+#define AR9003_MAC_H
+
+#define AR_DescId	0xffff0000
+#define AR_DescId_S	16
+#define AR_CtrlStat	0x00004000
+#define AR_CtrlStat_S	14
+#define AR_TxRxDesc	0x00008000
+#define AR_TxRxDesc_S	15
+#define AR_TxQcuNum	0x00000f00
+#define AR_TxQcuNum_S	8
+
+#define AR_BufLen	0x0fff0000
+#define AR_BufLen_S	16
+
+#define AR_TxDescId	0xffff0000
+#define AR_TxDescId_S	16
+#define AR_TxPtrChkSum	0x0000ffff
+
+#define AR_LowRxChain	0x00004000
+
+#define AR_Not_Sounding	0x20000000
+
+/* ctl 12 */
+#define AR_PAPRDChainMask	0x00000e00
+#define AR_PAPRDChainMask_S	9
+
+#define MAP_ISR_S2_CST          6
+#define MAP_ISR_S2_GTT          6
+#define MAP_ISR_S2_TIM          3
+#define MAP_ISR_S2_CABEND       0
+#define MAP_ISR_S2_DTIMSYNC     7
+#define MAP_ISR_S2_DTIM         7
+#define MAP_ISR_S2_TSFOOR       4
+#define MAP_ISR_S2_BB_WATCHDOG  6
+
+#define AR9003TXC_CONST(_ds) ((const struct ar9003_txc *) _ds)
+
+struct ar9003_rxs {
+	u32 ds_info;
+	u32 status1;
+	u32 status2;
+	u32 status3;
+	u32 status4;
+	u32 status5;
+	u32 status6;
+	u32 status7;
+	u32 status8;
+	u32 status9;
+	u32 status10;
+	u32 status11;
+} __attribute__((packed, aligned(4)));
+
+/* Transmit Control Descriptor */
+struct ar9003_txc {
+	u32 info;   /* descriptor information */
+	u32 link;   /* link pointer */
+	u32 data0;  /* data pointer to 1st buffer */
+	u32 ctl3;   /* DMA control 3  */
+	u32 data1;  /* data pointer to 2nd buffer */
+	u32 ctl5;   /* DMA control 5  */
+	u32 data2;  /* data pointer to 3rd buffer */
+	u32 ctl7;   /* DMA control 7  */
+	u32 data3;  /* data pointer to 4th buffer */
+	u32 ctl9;   /* DMA control 9  */
+	u32 ctl10;  /* DMA control 10 */
+	u32 ctl11;  /* DMA control 11 */
+	u32 ctl12;  /* DMA control 12 */
+	u32 ctl13;  /* DMA control 13 */
+	u32 ctl14;  /* DMA control 14 */
+	u32 ctl15;  /* DMA control 15 */
+	u32 ctl16;  /* DMA control 16 */
+	u32 ctl17;  /* DMA control 17 */
+	u32 ctl18;  /* DMA control 18 */
+	u32 ctl19;  /* DMA control 19 */
+	u32 ctl20;  /* DMA control 20 */
+	u32 ctl21;  /* DMA control 21 */
+	u32 ctl22;  /* DMA control 22 */
+	u32 pad[9]; /* pad to cache line (128 bytes/32 dwords) */
+} __attribute__((packed, aligned(4)));
+
+struct ar9003_txs {
+	u32 ds_info;
+	u32 status1;
+	u32 status2;
+	u32 status3;
+	u32 status4;
+	u32 status5;
+	u32 status6;
+	u32 status7;
+	u32 status8;
+} __attribute__((packed, aligned(4)));
+
+void ar9003_hw_attach_mac_ops(struct ath_hw *hw);
+void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size);
+void ath9k_hw_addrxbuf_edma(struct ath_hw *ah, u32 rxdp,
+			    enum ath9k_rx_qtype qtype);
+
+int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah,
+				 struct ath_rx_status *rxs,
+				 void *buf_addr);
+void ath9k_hw_reset_txstatus_ring(struct ath_hw *ah);
+void ath9k_hw_setup_statusring(struct ath_hw *ah, void *ts_start,
+			       u32 ts_paddr_start,
+			       u8 size);
+#endif

src/drivers/net/ath/ath9k/ath9k.c

@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/pci.h>
+
+#include "ath9k.h"
+
+static struct pci_device_id ath_pci_id_table[] = {
+        PCI_ROM(0x168c, 0x0023, "ar5416", "Atheros 5416 PCI", 0),	/* PCI   */
+        PCI_ROM(0x168c, 0x0024, "ar5416", "Atheros 5416 PCI-E", 0),	/* PCI-E */
+        PCI_ROM(0x168c, 0x0027, "ar9160", "Atheros 9160 PCI", 0),	/* PCI   */
+        PCI_ROM(0x168c, 0x0029, "ar9280", "Atheros 9280 PCI", 0),	/* PCI   */
+        PCI_ROM(0x168c, 0x002A, "ar9280", "Atheros 9280 PCI-E", 0),	/* PCI-E */
+        PCI_ROM(0x168c, 0x002B, "ar9285", "Atheros 9285 PCI-E", 0),	/* PCI-E */
+        PCI_ROM(0x168c, 0x002C, "ar2427", "Atheros 2427 PCI-E", 0),	/* PCI-E 802.11n bonded out */
+        PCI_ROM(0x168c, 0x002D, "ar9287", "Atheros 9287 PCI", 0),	/* PCI   */
+        PCI_ROM(0x168c, 0x002E, "ar9287", "Atheros 9287 PCI-E", 0),	/* PCI-E */
+        PCI_ROM(0x168c, 0x0030, "ar9300", "Atheros 9300 PCI-E", 0),	/* PCI-E  AR9300 */
+        PCI_ROM(0x168c, 0x0032, "ar9485", "Atheros 9485 PCI-E", 0),	/* PCI-E  AR9485 */
+};
+
+
+/* return bus cachesize in 4B word units */
+static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
+{
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+	u8 u8tmp;
+
+	pci_read_config_byte(sc->pdev, PCI_CACHE_LINE_SIZE, &u8tmp);
+	*csz = (int)u8tmp;
+
+	/*
+	 * This check was put in to avoid "unpleasant" consequences if
+	 * the bootrom has not fully initialized all PCI devices.
+	 * Sometimes the cache line size register is not set
+	 */
+
+	if (*csz == 0)
+		*csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
+}
+
+static int ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
+{
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
+
+	common->ops->read(ah, AR5416_EEPROM_OFFSET +
+			      (off << AR5416_EEPROM_S));
+
+	if (!ath9k_hw_wait(ah,
+			   AR_EEPROM_STATUS_DATA,
+			   AR_EEPROM_STATUS_DATA_BUSY |
+			   AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
+			   AH_WAIT_TIMEOUT)) {
+		return 0;
+	}
+
+	*data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
+		   AR_EEPROM_STATUS_DATA_VAL);
+
+	return 1;
+}
+
+static void ath_pci_extn_synch_enable(struct ath_common *common)
+{
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+	struct pci_device *pdev = sc->pdev;
+	u8 lnkctl;
+
+	pci_read_config_byte(pdev, sc->sc_ah->caps.pcie_lcr_offset, &lnkctl);
+	lnkctl |= 0x0080;
+	pci_write_config_byte(pdev, sc->sc_ah->caps.pcie_lcr_offset, lnkctl);
+}
+
+static const struct ath_bus_ops ath_pci_bus_ops = {
+	.ath_bus_type = ATH_PCI,
+	.read_cachesize = ath_pci_read_cachesize,
+	.eeprom_read = ath_pci_eeprom_read,
+	.extn_synch_en = ath_pci_extn_synch_enable,
+};
+
+static int ath_pci_probe(struct pci_device *pdev)
+{
+	void *mem;
+	struct ath_softc *sc;
+	struct net80211_device *dev;
+	u8 csz;
+	u16 subsysid;
+	u32 val;
+	int ret = 0;
+	char hw_name[64];
+
+	adjust_pci_device(pdev);
+
+	/*
+	 * Cache line size is used to size and align various
+	 * structures used to communicate with the hardware.
+	 */
+	pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
+	if (csz == 0) {
+		/*
+		 * Linux 2.4.18 (at least) writes the cache line size
+		 * register as a 16-bit wide register which is wrong.
+		 * We must have this setup properly for rx buffer
+		 * DMA to work so force a reasonable value here if it
+		 * comes up zero.
+		 */
+		csz =16;
+		pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
+	}
+	/*
+	 * The default setting of latency timer yields poor results,
+	 * set it to the value used by other systems. It may be worth
+	 * tweaking this setting more.
+	 */
+	pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
+
+	/*
+	 * Disable the RETRY_TIMEOUT register (0x41) to keep
+	 * PCI Tx retries from interfering with C3 CPU state.
+	 */
+	pci_read_config_dword(pdev, 0x40, &val);
+	if ((val & 0x0000ff00) != 0)
+		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+	mem = ioremap(pdev->membase, 0x10000);
+	if (!mem) {
+		DBG("ath9K: PCI memory map error\n") ;
+		ret = -EIO;
+		goto err_iomap;
+	}
+
+	dev = net80211_alloc(sizeof(struct ath_softc));
+	if (!dev) {
+		DBG("ath9k: No memory for net80211_device\n");
+		ret = -ENOMEM;
+		goto err_alloc_hw;
+	}
+
+	pci_set_drvdata(pdev, dev);
+	dev->netdev->dev = (struct device *)pdev;
+
+	sc = dev->priv;
+	sc->dev = dev;
+	sc->pdev = pdev;
+	sc->mem = mem;
+
+	/* Will be cleared in ath9k_start() */
+	sc->sc_flags |= SC_OP_INVALID;
+
+	sc->irq = pdev->irq;
+
+	pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
+	ret = ath9k_init_device(pdev->device, sc, subsysid, &ath_pci_bus_ops);
+	if (ret) {
+		DBG("ath9k: Failed to initialize device\n");
+		goto err_init;
+	}
+
+	ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
+	DBG("ath9k: %s mem=0x%lx, irq=%d\n",
+		   hw_name, (unsigned long)mem, pdev->irq);
+
+	return 0;
+
+err_init:
+	net80211_free(dev);
+err_alloc_hw:
+	iounmap(mem);
+err_iomap:
+	return ret;
+}
+
+static void ath_pci_remove(struct pci_device *pdev)
+{
+	struct net80211_device *dev = pci_get_drvdata(pdev);
+	struct ath_softc *sc = dev->priv;
+	void *mem = sc->mem;
+
+	if (!is_ath9k_unloaded)
+		sc->sc_ah->ah_flags |= AH_UNPLUGGED;
+	ath9k_deinit_device(sc);
+	net80211_free(sc->dev);
+
+	iounmap(mem);
+}
+
+struct pci_driver ath_pci_driver __pci_driver = {
+        .id_count   = ARRAY_SIZE(ath_pci_id_table),
+	.ids        = ath_pci_id_table,
+	.probe      = ath_pci_probe,
+	.remove     = ath_pci_remove,
+};

src/drivers/net/ath/ath9k/ath9k.h

@@ -0,0 +1,521 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ATH9K_H
+#define ATH9K_H
+
+#include "common.h"
+
+/*
+ * Header for the ath9k.ko driver core *only* -- hw code nor any other driver
+ * should rely on this file or its contents.
+ */
+
+struct ath_node;
+struct ath_softc;
+
+/* Macro to expand scalars to 64-bit objects */
+
+#define	ito64(x) (sizeof(x) == 1) ?			\
+	(((unsigned long long int)(x)) & (0xff)) :	\
+	(sizeof(x) == 2) ?				\
+	(((unsigned long long int)(x)) & 0xffff) :	\
+	((sizeof(x) == 4) ?				\
+	 (((unsigned long long int)(x)) & 0xffffffff) : \
+	 (unsigned long long int)(x))
+
+/* increment with wrap-around */
+#define INCR(_l, _sz)   do {			\
+		(_l)++;				\
+		(_l) &= ((_sz) - 1);		\
+	} while (0)
+
+/* decrement with wrap-around */
+#define DECR(_l,  _sz)  do {			\
+		(_l)--;				\
+		(_l) &= ((_sz) - 1);		\
+	} while (0)
+
+#define A_MAX(a, b) ((a) > (b) ? (a) : (b))
+
+#define TSF_TO_TU(_h,_l) \
+	((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
+
+#define	ATH_TXQ_SETUP(sc, i)        ((sc)->tx.txqsetup & (1<<i))
+
+struct ath_config {
+	u16 txpowlimit;
+	u8 cabqReadytime;
+};
+
+/*************************/
+/* Descriptor Management */
+/*************************/
+
+#define ATH_TXBUF_RESET(_bf) do {				\
+		(_bf)->bf_stale = 0;			\
+		(_bf)->bf_lastbf = NULL;			\
+		(_bf)->bf_next = NULL;				\
+		memset(&((_bf)->bf_state), 0,			\
+		       sizeof(struct ath_buf_state));		\
+	} while (0)
+
+#define ATH_RXBUF_RESET(_bf) do {		\
+		(_bf)->bf_stale = 0;	\
+	} while (0)
+
+/**
+ * enum buffer_type - Buffer type flags
+ *
+ * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
+ * @BUF_AGGR: Indicates whether the buffer can be aggregated
+ *	(used in aggregation scheduling)
+ * @BUF_XRETRY: To denote excessive retries of the buffer
+ */
+enum buffer_type {
+	BUF_AMPDU		= BIT(0),
+	BUF_AGGR		= BIT(1),
+	BUF_XRETRY		= BIT(2),
+};
+
+#define bf_isampdu(bf)		(bf->bf_state.bf_type & BUF_AMPDU)
+#define bf_isaggr(bf)		(bf->bf_state.bf_type & BUF_AGGR)
+#define bf_isxretried(bf)	(bf->bf_state.bf_type & BUF_XRETRY)
+
+#define ATH_TXSTATUS_RING_SIZE 64
+
+struct ath_descdma {
+	void *dd_desc;
+	u32 dd_desc_paddr;
+	u32 dd_desc_len;
+	struct ath_buf *dd_bufptr;
+};
+
+int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
+		      struct list_head *head, const char *name,
+		      int nbuf, int ndesc, int is_tx);
+void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
+			 struct list_head *head);
+
+/***********/
+/* RX / TX */
+/***********/
+
+#define ATH_RXBUF               16
+#define ATH_TXBUF               16
+#define ATH_TXBUF_RESERVE       5
+#define ATH_MAX_QDEPTH          (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE)
+#define ATH_TXMAXTRY            13
+
+#define TID_TO_WME_AC(_tid)				\
+	((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE :	\
+	 (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK :	\
+	 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI :	\
+	 WME_AC_VO)
+
+#define ATH_AGGR_DELIM_SZ          4
+#define ATH_AGGR_MINPLEN           256 /* in bytes, minimum packet length */
+/* number of delimiters for encryption padding */
+#define ATH_AGGR_ENCRYPTDELIM      10
+/* minimum h/w qdepth to be sustained to maximize aggregation */
+#define ATH_AGGR_MIN_QDEPTH        2
+#define ATH_AMPDU_SUBFRAME_DEFAULT 32
+
+#define FCS_LEN                    4
+#define IEEE80211_SEQ_SEQ_SHIFT    4
+#define IEEE80211_SEQ_MAX          4096
+#define IEEE80211_WEP_IVLEN        3
+#define IEEE80211_WEP_KIDLEN       1
+#define IEEE80211_WEP_CRCLEN       4
+#define IEEE80211_MAX_MPDU_LEN     (3840 + FCS_LEN +		\
+				    (IEEE80211_WEP_IVLEN +	\
+				     IEEE80211_WEP_KIDLEN +	\
+				     IEEE80211_WEP_CRCLEN))
+
+/* return whether a bit at index _n in bitmap _bm is set
+ * _sz is the size of the bitmap  */
+#define ATH_BA_ISSET(_bm, _n)  (((_n) < (WME_BA_BMP_SIZE)) &&		\
+				((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
+
+/* return block-ack bitmap index given sequence and starting sequence */
+#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
+
+/* returns delimiter padding required given the packet length */
+#define ATH_AGGR_GET_NDELIM(_len)					\
+       (((_len) >= ATH_AGGR_MINPLEN) ? 0 :                             \
+        DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ))
+
+#define BAW_WITHIN(_start, _bawsz, _seqno) \
+	((((_seqno) - (_start)) & 4095) < (_bawsz))
+
+#define ATH_AN_2_TID(_an, _tidno)  (&(_an)->tid[(_tidno)])
+
+#define ATH_TX_COMPLETE_POLL_INT	1000
+
+enum ATH_AGGR_STATUS {
+	ATH_AGGR_DONE,
+	ATH_AGGR_BAW_CLOSED,
+	ATH_AGGR_LIMITED,
+};
+
+#define ATH_TXFIFO_DEPTH 8
+struct ath_txq {
+	int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
+	u32 axq_qnum; /* ath9k hardware queue number */
+	u32 *axq_link;
+	struct list_head axq_q;
+	u32 axq_depth;
+	u32 axq_ampdu_depth;
+	int stopped;
+	int axq_tx_inprogress;
+	struct list_head axq_acq;
+	struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
+	struct list_head txq_fifo_pending;
+	u8 txq_headidx;
+	u8 txq_tailidx;
+	int pending_frames;
+};
+
+struct ath_atx_ac {
+	struct ath_txq *txq;
+	int sched;
+	struct list_head list;
+	struct list_head tid_q;
+	int clear_ps_filter;
+};
+
+struct ath_frame_info {
+	int framelen;
+	u32 keyix;
+	enum ath9k_key_type keytype;
+	u8 retries;
+	u16 seqno;
+};
+
+struct ath_buf_state {
+	u8 bf_type;
+	u8 bfs_paprd;
+	unsigned long bfs_paprd_timestamp;
+};
+
+struct ath_buf {
+	struct list_head list;
+	struct ath_buf *bf_lastbf;	/* last buf of this unit (a frame or
+					   an aggregate) */
+	struct ath_buf *bf_next;	/* next subframe in the aggregate */
+	struct io_buffer *bf_mpdu;	/* enclosing frame structure */
+	void *bf_desc;			/* virtual addr of desc */
+	u32 bf_daddr;			/* physical addr of desc */
+	u32 bf_buf_addr;		/* physical addr of data buffer, for DMA */
+	int bf_stale;
+	u16 bf_flags;
+	struct ath_buf_state bf_state;
+};
+
+struct ath_atx_tid {
+	struct list_head list;
+	struct list_head buf_q;
+	struct ath_node *an;
+	struct ath_atx_ac *ac;
+	unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
+	u16 seq_start;
+	u16 seq_next;
+	u16 baw_size;
+	int tidno;
+	int baw_head;   /* first un-acked tx buffer */
+	int baw_tail;   /* next unused tx buffer slot */
+	int sched;
+	int paused;
+	u8 state;
+};
+
+struct ath_node {
+	struct ath_atx_tid tid[WME_NUM_TID];
+	struct ath_atx_ac ac[WME_NUM_AC];
+	int ps_key;
+
+	u16 maxampdu;
+	u8 mpdudensity;
+
+	int sleeping;
+};
+
+#define AGGR_CLEANUP         BIT(1)
+#define AGGR_ADDBA_COMPLETE  BIT(2)
+#define AGGR_ADDBA_PROGRESS  BIT(3)
+
+struct ath_tx_control {
+	struct ath_txq *txq;
+	struct ath_node *an;
+	int if_id;
+	u8 paprd;
+};
+
+#define ATH_TX_ERROR        0x01
+#define ATH_TX_XRETRY       0x02
+#define ATH_TX_BAR          0x04
+
+/**
+ * @txq_map:  Index is mac80211 queue number.  This is
+ *  not necessarily the same as the hardware queue number
+ *  (axq_qnum).
+ */
+struct ath_tx {
+	u16 seq_no;
+	u32 txqsetup;
+	struct list_head txbuf;
+	struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
+	struct ath_descdma txdma;
+	struct ath_txq *txq_map[WME_NUM_AC];
+};
+
+struct ath_rx_edma {
+	struct list_head rx_fifo;
+	struct list_head rx_buffers;
+	u32 rx_fifo_hwsize;
+};
+
+struct ath_rx {
+	u8 defant;
+	u8 rxotherant;
+	u32 *rxlink;
+	unsigned int rxfilter;
+	struct list_head rxbuf;
+	struct ath_descdma rxdma;
+	struct ath_buf *rx_bufptr;
+	struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
+
+	struct io_buffer *frag;
+};
+
+int ath_startrecv(struct ath_softc *sc);
+int ath_stoprecv(struct ath_softc *sc);
+void ath_flushrecv(struct ath_softc *sc);
+u32 ath_calcrxfilter(struct ath_softc *sc);
+int ath_rx_init(struct ath_softc *sc, int nbufs);
+void ath_rx_cleanup(struct ath_softc *sc);
+int ath_rx_tasklet(struct ath_softc *sc, int flush, int hp);
+struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
+void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
+int ath_drain_all_txq(struct ath_softc *sc, int retry_tx);
+void ath_draintxq(struct ath_softc *sc,
+		     struct ath_txq *txq, int retry_tx);
+void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
+int ath_tx_init(struct ath_softc *sc, int nbufs);
+void ath_tx_cleanup(struct ath_softc *sc);
+int ath_txq_update(struct ath_softc *sc, int qnum,
+		   struct ath9k_tx_queue_info *q);
+int ath_tx_start(struct net80211_device *dev, struct io_buffer *iob,
+		 struct ath_tx_control *txctl);
+void ath_tx_tasklet(struct ath_softc *sc);
+
+/*******/
+/* ANI */
+/*******/
+
+#define ATH_STA_SHORT_CALINTERVAL 1000    /* 1 second */
+#define ATH_AP_SHORT_CALINTERVAL  100     /* 100 ms */
+#define ATH_ANI_POLLINTERVAL_OLD  100     /* 100 ms */
+#define ATH_ANI_POLLINTERVAL_NEW  1000    /* 1000 ms */
+#define ATH_LONG_CALINTERVAL_INT  1000    /* 1000 ms */
+#define ATH_LONG_CALINTERVAL      30000   /* 30 seconds */
+#define ATH_RESTART_CALINTERVAL   1200000 /* 20 minutes */
+
+void ath_hw_pll_work(struct ath_softc *sc);
+void ath_ani_calibrate(struct ath_softc *sc);
+
+/********************/
+/* Main driver core */
+/********************/
+
+/*
+ * Default cache line size, in bytes.
+ * Used when PCI device not fully initialized by bootrom/BIOS
+*/
+#define DEFAULT_CACHELINE       32
+#define ATH_REGCLASSIDS_MAX     10
+#define ATH_CABQ_READY_TIME     80      /* % of beacon interval */
+#define ATH_MAX_SW_RETRIES      10
+#define ATH_CHAN_MAX            255
+
+#define ATH_TXPOWER_MAX         100     /* .5 dBm units */
+#define ATH_RATE_DUMMY_MARKER   0
+
+#define SC_OP_INVALID                BIT(0)
+#define SC_OP_BEACONS                BIT(1)
+#define SC_OP_RXAGGR                 BIT(2)
+#define SC_OP_TXAGGR                 BIT(3)
+#define SC_OP_OFFCHANNEL             BIT(4)
+#define SC_OP_PREAMBLE_SHORT         BIT(5)
+#define SC_OP_PROTECT_ENABLE         BIT(6)
+#define SC_OP_RXFLUSH                BIT(7)
+#define SC_OP_LED_ASSOCIATED         BIT(8)
+#define SC_OP_LED_ON                 BIT(9)
+#define SC_OP_TSF_RESET              BIT(11)
+#define SC_OP_BT_PRIORITY_DETECTED   BIT(12)
+#define SC_OP_BT_SCAN		     BIT(13)
+#define SC_OP_ANI_RUN		     BIT(14)
+#define SC_OP_ENABLE_APM	     BIT(15)
+#define SC_OP_PRIM_STA_VIF	     BIT(16)
+
+/* Powersave flags */
+#define PS_WAIT_FOR_BEACON        BIT(0)
+#define PS_WAIT_FOR_CAB           BIT(1)
+#define PS_WAIT_FOR_PSPOLL_DATA   BIT(2)
+#define PS_WAIT_FOR_TX_ACK        BIT(3)
+#define PS_BEACON_SYNC            BIT(4)
+#define PS_TSFOOR_SYNC            BIT(5)
+
+struct ath_rate_table;
+
+struct ath9k_legacy_rate {
+        u16 bitrate;
+        u32 flags;
+        u16 hw_value;
+        u16 hw_value_short;
+};
+
+enum ath9k_rate_control_flags {
+	IEEE80211_TX_RC_USE_RTS_CTS		= BIT(0),
+	IEEE80211_TX_RC_USE_CTS_PROTECT		= BIT(1),
+	IEEE80211_TX_RC_USE_SHORT_PREAMBLE	= BIT(2),
+
+	/* rate index is an MCS rate number instead of an index */
+	IEEE80211_TX_RC_MCS			= BIT(3),
+	IEEE80211_TX_RC_GREEN_FIELD		= BIT(4),
+	IEEE80211_TX_RC_40_MHZ_WIDTH		= BIT(5),
+	IEEE80211_TX_RC_DUP_DATA		= BIT(6),
+	IEEE80211_TX_RC_SHORT_GI		= BIT(7),
+};
+
+struct survey_info {
+	struct net80211_channel *channel;
+	u64 channel_time;
+	u64 channel_time_busy;
+	u64 channel_time_ext_busy;
+	u64 channel_time_rx;
+	u64 channel_time_tx;
+	u32 filled;
+	s8 noise;
+};
+
+enum survey_info_flags {
+	SURVEY_INFO_NOISE_DBM = 1<<0,
+	SURVEY_INFO_IN_USE = 1<<1,
+	SURVEY_INFO_CHANNEL_TIME = 1<<2,
+	SURVEY_INFO_CHANNEL_TIME_BUSY = 1<<3,
+	SURVEY_INFO_CHANNEL_TIME_EXT_BUSY = 1<<4,
+	SURVEY_INFO_CHANNEL_TIME_RX = 1<<5,
+	SURVEY_INFO_CHANNEL_TIME_TX = 1<<6,
+};
+
+struct ath9k_vif_iter_data {
+	const u8 *hw_macaddr; /* phy's hardware address, set
+			       * before starting iteration for
+			       * valid bssid mask.
+			       */
+	u8 mask[ETH_ALEN]; /* bssid mask */
+	int naps;      /* number of AP vifs */
+	int nmeshes;   /* number of mesh vifs */
+	int nstations; /* number of station vifs */
+	int nwds;      /* number of nwd vifs */
+	int nadhocs;   /* number of adhoc vifs */
+	int nothers;   /* number of vifs not specified above. */
+};
+
+struct ath_softc {
+	struct net80211_device *dev;
+	struct pci_device *pdev;
+
+	int chan_idx;
+	int chan_is_ht;
+	struct survey_info *cur_survey;
+	struct survey_info survey[ATH9K_NUM_CHANNELS];
+
+	void (*intr_tq)(struct ath_softc *sc);
+	struct ath_hw *sc_ah;
+	void *mem;
+	int irq;
+
+	void (*paprd_work)(struct ath_softc *sc);
+	void (*hw_check_work)(struct ath_softc *sc);
+	void (*paprd_complete)(struct ath_softc *sc);
+
+	unsigned int hw_busy_count;
+
+	u32 intrstatus;
+	u32 sc_flags; /* SC_OP_* */
+	u16 ps_flags; /* PS_* */
+	u16 curtxpow;
+	int ps_enabled;
+	int ps_idle;
+	short nbcnvifs;
+	short nvifs;
+	unsigned long ps_usecount;
+
+	struct ath_config config;
+	struct ath_rx rx;
+	struct ath_tx tx;
+	struct net80211_hw_info *hwinfo;
+	struct ath9k_legacy_rate rates[NET80211_MAX_RATES];
+	int hw_rix;
+
+	struct ath9k_hw_cal_data caldata;
+	int last_rssi;
+
+	void (*tx_complete_work)(struct ath_softc *sc);
+	unsigned long tx_complete_work_timer;
+	void (*hw_pll_work)(struct ath_softc *sc);
+	unsigned long hw_pll_work_timer;
+
+	struct ath_descdma txsdma;
+};
+
+void ath9k_tasklet(struct ath_softc *sc);
+int ath_reset(struct ath_softc *sc, int retry_tx);
+
+static inline void ath_read_cachesize(struct ath_common *common, int *csz)
+{
+	common->bus_ops->read_cachesize(common, csz);
+}
+
+extern struct net80211_device_operations ath9k_ops;
+extern int ath9k_modparam_nohwcrypt;
+extern int is_ath9k_unloaded;
+
+void ath_isr(struct net80211_device *dev);
+void ath9k_init_crypto(struct ath_softc *sc);
+int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+		    const struct ath_bus_ops *bus_ops);
+void ath9k_deinit_device(struct ath_softc *sc);
+void ath9k_set_hw_capab(struct ath_softc *sc, struct net80211_device *dev);
+int ath_set_channel(struct ath_softc *sc, struct net80211_device *dev,
+		    struct ath9k_channel *hchan);
+
+void ath_radio_enable(struct ath_softc *sc, struct net80211_device *dev);
+void ath_radio_disable(struct ath_softc *sc, struct net80211_device *dev);
+int ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode);
+int ath9k_uses_beacons(int type);
+
+u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
+
+void ath_start_rfkill_poll(struct ath_softc *sc);
+extern void ath9k_rfkill_poll_state(struct net80211_device *dev);
+
+#endif /* ATH9K_H */

src/drivers/net/ath/ath9k/ath9k_ani.c

@@ -0,0 +1,733 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "hw.h"
+#include "hw-ops.h"
+
+struct ani_ofdm_level_entry {
+	int spur_immunity_level;
+	int fir_step_level;
+	int ofdm_weak_signal_on;
+};
+
+/* values here are relative to the INI */
+
+/*
+ * Legend:
+ *
+ * SI: Spur immunity
+ * FS: FIR Step
+ * WS: OFDM / CCK Weak Signal detection
+ * MRC-CCK: Maximal Ratio Combining for CCK
+ */
+
+static const struct ani_ofdm_level_entry ofdm_level_table[] = {
+	/* SI  FS  WS */
+	{  0,  0,  1  }, /* lvl 0 */
+	{  1,  1,  1  }, /* lvl 1 */
+	{  2,  2,  1  }, /* lvl 2 */
+	{  3,  2,  1  }, /* lvl 3  (default) */
+	{  4,  3,  1  }, /* lvl 4 */
+	{  5,  4,  1  }, /* lvl 5 */
+	{  6,  5,  1  }, /* lvl 6 */
+	{  7,  6,  1  }, /* lvl 7 */
+	{  7,  7,  1  }, /* lvl 8 */
+	{  7,  8,  0  }  /* lvl 9 */
+};
+#define ATH9K_ANI_OFDM_NUM_LEVEL \
+	ARRAY_SIZE(ofdm_level_table)
+#define ATH9K_ANI_OFDM_MAX_LEVEL \
+	(ATH9K_ANI_OFDM_NUM_LEVEL-1)
+#define ATH9K_ANI_OFDM_DEF_LEVEL \
+	3 /* default level - matches the INI settings */
+
+/*
+ * MRC (Maximal Ratio Combining) has always been used with multi-antenna ofdm.
+ * With OFDM for single stream you just add up all antenna inputs, you're
+ * only interested in what you get after FFT. Signal aligment is also not
+ * required for OFDM because any phase difference adds up in the frequency
+ * domain.
+ *
+ * MRC requires extra work for use with CCK. You need to align the antenna
+ * signals from the different antenna before you can add the signals together.
+ * You need aligment of signals as CCK is in time domain, so addition can cancel
+ * your signal completely if phase is 180 degrees (think of adding sine waves).
+ * You also need to remove noise before the addition and this is where ANI
+ * MRC CCK comes into play. One of the antenna inputs may be stronger but
+ * lower SNR, so just adding after alignment can be dangerous.
+ *
+ * Regardless of alignment in time, the antenna signals add constructively after
+ * FFT and improve your reception. For more information:
+ *
+ * http://en.wikipedia.org/wiki/Maximal-ratio_combining
+ */
+
+struct ani_cck_level_entry {
+	int fir_step_level;
+	int mrc_cck_on;
+};
+
+static const struct ani_cck_level_entry cck_level_table[] = {
+	/* FS  MRC-CCK  */
+	{  0,  1  }, /* lvl 0 */
+	{  1,  1  }, /* lvl 1 */
+	{  2,  1  }, /* lvl 2  (default) */
+	{  3,  1  }, /* lvl 3 */
+	{  4,  0  }, /* lvl 4 */
+	{  5,  0  }, /* lvl 5 */
+	{  6,  0  }, /* lvl 6 */
+	{  7,  0  }, /* lvl 7 (only for high rssi) */
+	{  8,  0  }  /* lvl 8 (only for high rssi) */
+};
+
+#define ATH9K_ANI_CCK_NUM_LEVEL \
+	ARRAY_SIZE(cck_level_table)
+#define ATH9K_ANI_CCK_MAX_LEVEL \
+	(ATH9K_ANI_CCK_NUM_LEVEL-1)
+#define ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI \
+	(ATH9K_ANI_CCK_NUM_LEVEL-3)
+#define ATH9K_ANI_CCK_DEF_LEVEL \
+	2 /* default level - matches the INI settings */
+
+static int use_new_ani(struct ath_hw *ah)
+{
+	return AR_SREV_9300_20_OR_LATER(ah) || modparam_force_new_ani;
+}
+
+static void ath9k_hw_update_mibstats(struct ath_hw *ah,
+				     struct ath9k_mib_stats *stats)
+{
+	stats->ackrcv_bad += REG_READ(ah, AR_ACK_FAIL);
+	stats->rts_bad += REG_READ(ah, AR_RTS_FAIL);
+	stats->fcs_bad += REG_READ(ah, AR_FCS_FAIL);
+	stats->rts_good += REG_READ(ah, AR_RTS_OK);
+	stats->beacons += REG_READ(ah, AR_BEACON_CNT);
+}
+
+static void ath9k_ani_restart(struct ath_hw *ah)
+{
+	struct ar5416AniState *aniState;
+	u32 ofdm_base = 0, cck_base = 0;
+
+	if (!DO_ANI(ah))
+		return;
+
+	aniState = &ah->curchan->ani;
+	aniState->listenTime = 0;
+
+	if (!use_new_ani(ah)) {
+		ofdm_base = AR_PHY_COUNTMAX - ah->config.ofdm_trig_high;
+		cck_base = AR_PHY_COUNTMAX - ah->config.cck_trig_high;
+	}
+
+	DBG2("ath9k: "
+		"Writing ofdmbase=%d   cckbase=%d\n", ofdm_base, cck_base);
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	REG_WRITE(ah, AR_PHY_ERR_1, ofdm_base);
+	REG_WRITE(ah, AR_PHY_ERR_2, cck_base);
+	REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
+	REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
+
+	REGWRITE_BUFFER_FLUSH(ah);
+
+	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
+
+	aniState->ofdmPhyErrCount = 0;
+	aniState->cckPhyErrCount = 0;
+}
+
+static void ath9k_hw_ani_ofdm_err_trigger_old(struct ath_hw *ah)
+{
+	struct ar5416AniState *aniState;
+	int32_t rssi;
+
+	aniState = &ah->curchan->ani;
+
+	if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
+		if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
+					 aniState->noiseImmunityLevel + 1)) {
+			return;
+		}
+	}
+
+	if (aniState->spurImmunityLevel < HAL_SPUR_IMMUNE_MAX) {
+		if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
+					 aniState->spurImmunityLevel + 1)) {
+			return;
+		}
+	}
+
+	rssi = BEACON_RSSI(ah);
+	if (rssi > aniState->rssiThrHigh) {
+		if (!aniState->ofdmWeakSigDetectOff) {
+			if (ath9k_hw_ani_control(ah,
+					 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+					 0)) {
+				ath9k_hw_ani_control(ah,
+					ATH9K_ANI_SPUR_IMMUNITY_LEVEL, 0);
+				return;
+			}
+		}
+		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX) {
+			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+					     aniState->firstepLevel + 1);
+			return;
+		}
+	} else if (rssi > aniState->rssiThrLow) {
+		if (aniState->ofdmWeakSigDetectOff)
+			ath9k_hw_ani_control(ah,
+				     ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+				     1);
+		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
+			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+					     aniState->firstepLevel + 1);
+		return;
+	} else {
+		if ((ah->dev->channels + ah->dev->channel)->band == NET80211_BAND_2GHZ) {
+			if (!aniState->ofdmWeakSigDetectOff)
+				ath9k_hw_ani_control(ah,
+				     ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+				     0);
+			if (aniState->firstepLevel > 0)
+				ath9k_hw_ani_control(ah,
+					     ATH9K_ANI_FIRSTEP_LEVEL, 0);
+			return;
+		}
+	}
+}
+
+static void ath9k_hw_ani_cck_err_trigger_old(struct ath_hw *ah)
+{
+	struct ar5416AniState *aniState;
+	int32_t rssi;
+
+	aniState = &ah->curchan->ani;
+	if (aniState->noiseImmunityLevel < HAL_NOISE_IMMUNE_MAX) {
+		if (ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
+					 aniState->noiseImmunityLevel + 1)) {
+			return;
+		}
+	}
+	rssi = BEACON_RSSI(ah);
+	if (rssi > aniState->rssiThrLow) {
+		if (aniState->firstepLevel < HAL_FIRST_STEP_MAX)
+			ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+					     aniState->firstepLevel + 1);
+	} else {
+		if ((ah->dev->channels + ah->dev->channel)->band == NET80211_BAND_2GHZ) {
+			if (aniState->firstepLevel > 0)
+				ath9k_hw_ani_control(ah,
+					     ATH9K_ANI_FIRSTEP_LEVEL, 0);
+		}
+	}
+}
+
+/* Adjust the OFDM Noise Immunity Level */
+static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
+{
+	struct ar5416AniState *aniState = &ah->curchan->ani;
+	const struct ani_ofdm_level_entry *entry_ofdm;
+	const struct ani_cck_level_entry *entry_cck;
+
+	aniState->noiseFloor = BEACON_RSSI(ah);
+
+	DBG2("ath9k: "
+		"**** ofdmlevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
+		aniState->ofdmNoiseImmunityLevel,
+		immunityLevel, aniState->noiseFloor,
+		aniState->rssiThrLow, aniState->rssiThrHigh);
+
+	aniState->ofdmNoiseImmunityLevel = immunityLevel;
+
+	entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
+	entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
+
+	if (aniState->spurImmunityLevel != entry_ofdm->spur_immunity_level)
+		ath9k_hw_ani_control(ah,
+				     ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
+				     entry_ofdm->spur_immunity_level);
+
+	if (aniState->firstepLevel != entry_ofdm->fir_step_level &&
+	    entry_ofdm->fir_step_level >= entry_cck->fir_step_level)
+		ath9k_hw_ani_control(ah,
+				     ATH9K_ANI_FIRSTEP_LEVEL,
+				     entry_ofdm->fir_step_level);
+}
+
+static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)
+{
+	struct ar5416AniState *aniState;
+
+	if (!DO_ANI(ah))
+		return;
+
+	if (!use_new_ani(ah)) {
+		ath9k_hw_ani_ofdm_err_trigger_old(ah);
+		return;
+	}
+
+	aniState = &ah->curchan->ani;
+
+	if (aniState->ofdmNoiseImmunityLevel < ATH9K_ANI_OFDM_MAX_LEVEL)
+		ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel + 1);
+}
+
+/*
+ * Set the ANI settings to match an CCK level.
+ */
+static void ath9k_hw_set_cck_nil(struct ath_hw *ah, uint8_t immunityLevel)
+{
+	struct ar5416AniState *aniState = &ah->curchan->ani;
+	const struct ani_ofdm_level_entry *entry_ofdm;
+	const struct ani_cck_level_entry *entry_cck;
+
+	aniState->noiseFloor = BEACON_RSSI(ah);
+	DBG2("ath9k: "
+		"**** ccklevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
+		aniState->cckNoiseImmunityLevel, immunityLevel,
+		aniState->noiseFloor, aniState->rssiThrLow,
+		aniState->rssiThrHigh);
+
+	if (aniState->noiseFloor <= (unsigned int)aniState->rssiThrLow &&
+	    immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
+		immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
+
+	aniState->cckNoiseImmunityLevel = immunityLevel;
+
+	entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
+	entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
+
+	if (aniState->firstepLevel != entry_cck->fir_step_level &&
+	    entry_cck->fir_step_level >= entry_ofdm->fir_step_level)
+		ath9k_hw_ani_control(ah,
+				     ATH9K_ANI_FIRSTEP_LEVEL,
+				     entry_cck->fir_step_level);
+
+	/* Skip MRC CCK for pre AR9003 families */
+	if (!AR_SREV_9300_20_OR_LATER(ah) || AR_SREV_9485(ah))
+		return;
+
+	if (aniState->mrcCCKOff == entry_cck->mrc_cck_on)
+		ath9k_hw_ani_control(ah,
+				     ATH9K_ANI_MRC_CCK,
+				     entry_cck->mrc_cck_on);
+}
+
+static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah)
+{
+	struct ar5416AniState *aniState;
+
+	if (!DO_ANI(ah))
+		return;
+
+	if (!use_new_ani(ah)) {
+		ath9k_hw_ani_cck_err_trigger_old(ah);
+		return;
+	}
+
+	aniState = &ah->curchan->ani;
+
+	if (aniState->cckNoiseImmunityLevel < ATH9K_ANI_CCK_MAX_LEVEL)
+		ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1);
+}
+
+static void ath9k_hw_ani_lower_immunity_old(struct ath_hw *ah)
+{
+	struct ar5416AniState *aniState;
+	int32_t rssi;
+
+	aniState = &ah->curchan->ani;
+
+	rssi = BEACON_RSSI(ah);
+	if (rssi > aniState->rssiThrHigh) {
+		/* XXX: Handle me */
+	} else if (rssi > aniState->rssiThrLow) {
+		if (aniState->ofdmWeakSigDetectOff) {
+			if (ath9k_hw_ani_control(ah,
+				 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+				 1) == 1)
+				return;
+		}
+		if (aniState->firstepLevel > 0) {
+			if (ath9k_hw_ani_control(ah,
+				 ATH9K_ANI_FIRSTEP_LEVEL,
+				 aniState->firstepLevel - 1) == 1)
+				return;
+		}
+	} else {
+		if (aniState->firstepLevel > 0) {
+			if (ath9k_hw_ani_control(ah,
+				 ATH9K_ANI_FIRSTEP_LEVEL,
+				 aniState->firstepLevel - 1) == 1)
+				return;
+		}
+	}
+
+	if (aniState->spurImmunityLevel > 0) {
+		if (ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
+					 aniState->spurImmunityLevel - 1))
+			return;
+	}
+
+	if (aniState->noiseImmunityLevel > 0) {
+		ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
+				     aniState->noiseImmunityLevel - 1);
+		return;
+	}
+}
+
+/*
+ * only lower either OFDM or CCK errors per turn
+ * we lower the other one next time
+ */
+static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah)
+{
+	struct ar5416AniState *aniState;
+
+	aniState = &ah->curchan->ani;
+
+	if (!use_new_ani(ah)) {
+		ath9k_hw_ani_lower_immunity_old(ah);
+		return;
+	}
+
+	/* lower OFDM noise immunity */
+	if (aniState->ofdmNoiseImmunityLevel > 0 &&
+	    (aniState->ofdmsTurn || aniState->cckNoiseImmunityLevel == 0)) {
+		ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel - 1);
+		return;
+	}
+
+	/* lower CCK noise immunity */
+	if (aniState->cckNoiseImmunityLevel > 0)
+		ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel - 1);
+}
+
+static void ath9k_ani_reset_old(struct ath_hw *ah)
+{
+	struct ar5416AniState *aniState;
+
+	if (!DO_ANI(ah))
+		return;
+
+	aniState = &ah->curchan->ani;
+
+	if (aniState->noiseImmunityLevel != 0)
+		ath9k_hw_ani_control(ah, ATH9K_ANI_NOISE_IMMUNITY_LEVEL,
+				     aniState->noiseImmunityLevel);
+	if (aniState->spurImmunityLevel != 0)
+		ath9k_hw_ani_control(ah, ATH9K_ANI_SPUR_IMMUNITY_LEVEL,
+				     aniState->spurImmunityLevel);
+	if (aniState->ofdmWeakSigDetectOff)
+		ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+				     !aniState->ofdmWeakSigDetectOff);
+	if (aniState->cckWeakSigThreshold)
+		ath9k_hw_ani_control(ah, ATH9K_ANI_CCK_WEAK_SIGNAL_THR,
+				     aniState->cckWeakSigThreshold);
+	if (aniState->firstepLevel != 0)
+		ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL,
+				     aniState->firstepLevel);
+
+	ath9k_hw_setrxfilter(ah, ath9k_hw_getrxfilter(ah) &
+			     ~ATH9K_RX_FILTER_PHYERR);
+	ath9k_ani_restart(ah);
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
+	REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
+
+	REGWRITE_BUFFER_FLUSH(ah);
+}
+
+/*
+ * Restore the ANI parameters in the HAL and reset the statistics.
+ * This routine should be called for every hardware reset and for
+ * every channel change.
+ */
+void ath9k_ani_reset(struct ath_hw *ah, int is_scanning)
+{
+	struct ar5416AniState *aniState = &ah->curchan->ani;
+	struct ath9k_channel *chan = ah->curchan;
+
+	if (!DO_ANI(ah))
+		return;
+
+	if (!use_new_ani(ah))
+		return ath9k_ani_reset_old(ah);
+
+	ah->stats.ast_ani_reset++;
+
+	/* always allow mode (on/off) to be controlled */
+	ah->ani_function |= ATH9K_ANI_MODE;
+
+	if (is_scanning) {
+		/*
+		 * If we're scanning or in AP mode, the defaults (ini)
+		 * should be in place. For an AP we assume the historical
+		 * levels for this channel are probably outdated so start
+		 * from defaults instead.
+		 */
+		if (aniState->ofdmNoiseImmunityLevel !=
+		    ATH9K_ANI_OFDM_DEF_LEVEL ||
+		    aniState->cckNoiseImmunityLevel !=
+		    ATH9K_ANI_CCK_DEF_LEVEL) {
+			DBG("ath9k: "
+				"Restore defaults: chan %d Mhz/0x%x is_scanning=%d ofdm:%d cck:%d\n",
+				chan->channel,
+				chan->channelFlags,
+				is_scanning,
+				aniState->ofdmNoiseImmunityLevel,
+				aniState->cckNoiseImmunityLevel);
+
+			ath9k_hw_set_ofdm_nil(ah, ATH9K_ANI_OFDM_DEF_LEVEL);
+			ath9k_hw_set_cck_nil(ah, ATH9K_ANI_CCK_DEF_LEVEL);
+		}
+	} else {
+		/*
+		 * restore historical levels for this channel
+		 */
+		DBG2("ath9k: "
+			"Restore history: chan %d Mhz/0x%x is_scanning=%d ofdm:%d cck:%d\n",
+			chan->channel,
+			chan->channelFlags,
+			is_scanning,
+			aniState->ofdmNoiseImmunityLevel,
+			aniState->cckNoiseImmunityLevel);
+
+			ath9k_hw_set_ofdm_nil(ah,
+					      aniState->ofdmNoiseImmunityLevel);
+			ath9k_hw_set_cck_nil(ah,
+					     aniState->cckNoiseImmunityLevel);
+	}
+
+	/*
+	 * enable phy counters if hw supports or if not, enable phy
+	 * interrupts (so we can count each one)
+	 */
+	ath9k_ani_restart(ah);
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
+	REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING);
+
+	REGWRITE_BUFFER_FLUSH(ah);
+}
+
+static int ath9k_hw_ani_read_counters(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ar5416AniState *aniState = &ah->curchan->ani;
+	u32 ofdm_base = 0;
+	u32 cck_base = 0;
+	u32 ofdmPhyErrCnt, cckPhyErrCnt;
+	u32 phyCnt1, phyCnt2;
+	int32_t listenTime;
+
+	ath_hw_cycle_counters_update(common);
+	listenTime = ath_hw_get_listen_time(common);
+
+	if (listenTime <= 0) {
+		ah->stats.ast_ani_lneg++;
+		ath9k_ani_restart(ah);
+		return 0;
+	}
+
+	if (!use_new_ani(ah)) {
+		ofdm_base = AR_PHY_COUNTMAX - ah->config.ofdm_trig_high;
+		cck_base = AR_PHY_COUNTMAX - ah->config.cck_trig_high;
+	}
+
+	aniState->listenTime += listenTime;
+
+	phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
+	phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
+
+	if (!use_new_ani(ah) && (phyCnt1 < ofdm_base || phyCnt2 < cck_base)) {
+		if (phyCnt1 < ofdm_base) {
+			DBG2("ath9k: "
+				"phyCnt1 0x%x, resetting counter value to 0x%x\n",
+				phyCnt1, ofdm_base);
+			REG_WRITE(ah, AR_PHY_ERR_1, ofdm_base);
+			REG_WRITE(ah, AR_PHY_ERR_MASK_1,
+				  AR_PHY_ERR_OFDM_TIMING);
+		}
+		if (phyCnt2 < cck_base) {
+			DBG2("ath9k: "
+				"phyCnt2 0x%x, resetting counter value to 0x%x\n",
+				phyCnt2, cck_base);
+			REG_WRITE(ah, AR_PHY_ERR_2, cck_base);
+			REG_WRITE(ah, AR_PHY_ERR_MASK_2,
+				  AR_PHY_ERR_CCK_TIMING);
+		}
+		return 0;
+	}
+
+	ofdmPhyErrCnt = phyCnt1 - ofdm_base;
+	ah->stats.ast_ani_ofdmerrs +=
+		ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
+	aniState->ofdmPhyErrCount = ofdmPhyErrCnt;
+
+	cckPhyErrCnt = phyCnt2 - cck_base;
+	ah->stats.ast_ani_cckerrs +=
+		cckPhyErrCnt - aniState->cckPhyErrCount;
+	aniState->cckPhyErrCount = cckPhyErrCnt;
+	return 1;
+}
+
+void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan __unused)
+{
+	struct ar5416AniState *aniState;
+	u32 ofdmPhyErrRate, cckPhyErrRate;
+
+	if (!DO_ANI(ah))
+		return;
+
+	aniState = &ah->curchan->ani;
+	if (!aniState)
+		return;
+
+	if (!ath9k_hw_ani_read_counters(ah))
+		return;
+
+	ofdmPhyErrRate = aniState->ofdmPhyErrCount * 1000 /
+			 aniState->listenTime;
+	cckPhyErrRate =  aniState->cckPhyErrCount * 1000 /
+			 aniState->listenTime;
+
+	DBG2("ath9k: "
+		"listenTime=%d OFDM:%d errs=%d/s CCK:%d errs=%d/s ofdm_turn=%d\n",
+		aniState->listenTime,
+		aniState->ofdmNoiseImmunityLevel,
+		ofdmPhyErrRate, aniState->cckNoiseImmunityLevel,
+		cckPhyErrRate, aniState->ofdmsTurn);
+
+	if (aniState->listenTime > 5 * ah->aniperiod) {
+		if (ofdmPhyErrRate <= ah->config.ofdm_trig_low &&
+		    cckPhyErrRate <= ah->config.cck_trig_low) {
+			ath9k_hw_ani_lower_immunity(ah);
+			aniState->ofdmsTurn = !aniState->ofdmsTurn;
+		}
+		ath9k_ani_restart(ah);
+	} else if (aniState->listenTime > ah->aniperiod) {
+		/* check to see if need to raise immunity */
+		if (ofdmPhyErrRate > ah->config.ofdm_trig_high &&
+		    (cckPhyErrRate <= ah->config.cck_trig_high ||
+		     aniState->ofdmsTurn)) {
+			ath9k_hw_ani_ofdm_err_trigger(ah);
+			ath9k_ani_restart(ah);
+			aniState->ofdmsTurn = 0;
+		} else if (cckPhyErrRate > ah->config.cck_trig_high) {
+			ath9k_hw_ani_cck_err_trigger(ah);
+			ath9k_ani_restart(ah);
+			aniState->ofdmsTurn = 1;
+		}
+	}
+}
+
+void ath9k_hw_ani_setup(struct ath_hw *ah)
+{
+	int i;
+
+	static const int totalSizeDesired[] = { -55, -55, -55, -55, -62 };
+	static const int coarseHigh[] = { -14, -14, -14, -14, -12 };
+	static const int coarseLow[] = { -64, -64, -64, -64, -70 };
+	static const int firpwr[] = { -78, -78, -78, -78, -80 };
+
+	for (i = 0; i < 5; i++) {
+		ah->totalSizeDesired[i] = totalSizeDesired[i];
+		ah->coarse_high[i] = coarseHigh[i];
+		ah->coarse_low[i] = coarseLow[i];
+		ah->firpwr[i] = firpwr[i];
+	}
+}
+
+void ath9k_hw_ani_init(struct ath_hw *ah)
+{
+	unsigned int i;
+
+	DBG2("ath9k: Initialize ANI\n");
+
+	if (use_new_ani(ah)) {
+		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_NEW;
+		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_NEW;
+
+		ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH_NEW;
+		ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW_NEW;
+	} else {
+		ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH_OLD;
+		ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW_OLD;
+
+		ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH_OLD;
+		ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW_OLD;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(ah->channels); i++) {
+		struct ath9k_channel *chan = &ah->channels[i];
+		struct ar5416AniState *ani = &chan->ani;
+
+		if (use_new_ani(ah)) {
+			ani->spurImmunityLevel =
+				ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
+
+			ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
+
+			if (AR_SREV_9300_20_OR_LATER(ah))
+				ani->mrcCCKOff =
+					!ATH9K_ANI_ENABLE_MRC_CCK;
+			else
+				ani->mrcCCKOff = 1;
+
+			ani->ofdmsTurn = 1;
+		} else {
+			ani->spurImmunityLevel =
+				ATH9K_ANI_SPUR_IMMUNE_LVL_OLD;
+			ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_OLD;
+
+			ani->cckWeakSigThreshold =
+				ATH9K_ANI_CCK_WEAK_SIG_THR;
+		}
+
+		ani->rssiThrHigh = ATH9K_ANI_RSSI_THR_HIGH;
+		ani->rssiThrLow = ATH9K_ANI_RSSI_THR_LOW;
+		ani->ofdmWeakSigDetectOff =
+			!ATH9K_ANI_USE_OFDM_WEAK_SIG;
+		ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL;
+	}
+
+	/*
+	 * since we expect some ongoing maintenance on the tables, let's sanity
+	 * check here default level should not modify INI setting.
+	 */
+	if (use_new_ani(ah)) {
+		ah->aniperiod = ATH9K_ANI_PERIOD_NEW;
+		ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_NEW;
+	} else {
+		ah->aniperiod = ATH9K_ANI_PERIOD_OLD;
+		ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL_OLD;
+	}
+
+	if (ah->config.enable_ani)
+		ah->proc_phyerr |= HAL_PROCESS_ANI;
+
+	ath9k_ani_restart(ah);
+}

src/drivers/net/ath/ath9k/ath9k_ar9002_hw.c

@@ -0,0 +1,607 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "hw.h"
+#include "ar5008_initvals.h"
+#include "ar9001_initvals.h"
+#include "ar9002_initvals.h"
+#include "ar9002_phy.h"
+
+int modparam_force_new_ani;
+
+/* General hardware code for the A5008/AR9001/AR9002 hadware families */
+
+static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
+{
+	if (AR_SREV_9271(ah)) {
+		INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271,
+			       ARRAY_SIZE(ar9271Modes_9271), 6);
+		INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271,
+			       ARRAY_SIZE(ar9271Common_9271), 2);
+		INIT_INI_ARRAY(&ah->iniCommon_normal_cck_fir_coeff_9271,
+			       ar9271Common_normal_cck_fir_coeff_9271,
+			       ARRAY_SIZE(ar9271Common_normal_cck_fir_coeff_9271), 2);
+		INIT_INI_ARRAY(&ah->iniCommon_japan_2484_cck_fir_coeff_9271,
+			       ar9271Common_japan_2484_cck_fir_coeff_9271,
+			       ARRAY_SIZE(ar9271Common_japan_2484_cck_fir_coeff_9271), 2);
+		INIT_INI_ARRAY(&ah->iniModes_9271_1_0_only,
+			       ar9271Modes_9271_1_0_only,
+			       ARRAY_SIZE(ar9271Modes_9271_1_0_only), 6);
+		INIT_INI_ARRAY(&ah->iniModes_9271_ANI_reg, ar9271Modes_9271_ANI_reg,
+			       ARRAY_SIZE(ar9271Modes_9271_ANI_reg), 6);
+		INIT_INI_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
+			       ar9271Modes_high_power_tx_gain_9271,
+			       ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271), 6);
+		INIT_INI_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
+			       ar9271Modes_normal_power_tx_gain_9271,
+			       ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271), 6);
+		return;
+	}
+
+	if (AR_SREV_9287_11_OR_LATER(ah)) {
+		INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
+				ARRAY_SIZE(ar9287Modes_9287_1_1), 6);
+		INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_1,
+				ARRAY_SIZE(ar9287Common_9287_1_1), 2);
+		if (ah->config.pcie_clock_req)
+			INIT_INI_ARRAY(&ah->iniPcieSerdes,
+			ar9287PciePhy_clkreq_off_L1_9287_1_1,
+			ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_1), 2);
+		else
+			INIT_INI_ARRAY(&ah->iniPcieSerdes,
+			ar9287PciePhy_clkreq_always_on_L1_9287_1_1,
+			ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_1),
+					2);
+	} else if (AR_SREV_9285_12_OR_LATER(ah)) {
+
+
+		INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285_1_2,
+			       ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
+		INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285_1_2,
+			       ARRAY_SIZE(ar9285Common_9285_1_2), 2);
+
+		if (ah->config.pcie_clock_req) {
+			INIT_INI_ARRAY(&ah->iniPcieSerdes,
+			ar9285PciePhy_clkreq_off_L1_9285_1_2,
+			ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
+		} else {
+			INIT_INI_ARRAY(&ah->iniPcieSerdes,
+			ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
+			ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
+				  2);
+		}
+	} else if (AR_SREV_9280_20_OR_LATER(ah)) {
+		INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280_2,
+			       ARRAY_SIZE(ar9280Modes_9280_2), 6);
+		INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
+			       ARRAY_SIZE(ar9280Common_9280_2), 2);
+
+		if (ah->config.pcie_clock_req) {
+			INIT_INI_ARRAY(&ah->iniPcieSerdes,
+			       ar9280PciePhy_clkreq_off_L1_9280,
+			       ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280), 2);
+		} else {
+			INIT_INI_ARRAY(&ah->iniPcieSerdes,
+			       ar9280PciePhy_clkreq_always_on_L1_9280,
+			       ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
+		}
+		INIT_INI_ARRAY(&ah->iniModesAdditional,
+			       ar9280Modes_fast_clock_9280_2,
+			       ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
+	} else if (AR_SREV_9160_10_OR_LATER(ah)) {
+		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9160,
+			       ARRAY_SIZE(ar5416Modes_9160), 6);
+		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9160,
+			       ARRAY_SIZE(ar5416Common_9160), 2);
+		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9160,
+			       ARRAY_SIZE(ar5416Bank0_9160), 2);
+		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9160,
+			       ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
+		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9160,
+			       ARRAY_SIZE(ar5416Bank1_9160), 2);
+		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9160,
+			       ARRAY_SIZE(ar5416Bank2_9160), 2);
+		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9160,
+			       ARRAY_SIZE(ar5416Bank3_9160), 3);
+		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9160,
+			       ARRAY_SIZE(ar5416Bank6_9160), 3);
+		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9160,
+			       ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
+		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9160,
+			       ARRAY_SIZE(ar5416Bank7_9160), 2);
+		if (AR_SREV_9160_11(ah)) {
+			INIT_INI_ARRAY(&ah->iniAddac,
+				       ar5416Addac_9160_1_1,
+				       ARRAY_SIZE(ar5416Addac_9160_1_1), 2);
+		} else {
+			INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
+				       ARRAY_SIZE(ar5416Addac_9160), 2);
+		}
+	} else if (AR_SREV_9100_OR_LATER(ah)) {
+		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100,
+			       ARRAY_SIZE(ar5416Modes_9100), 6);
+		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100,
+			       ARRAY_SIZE(ar5416Common_9100), 2);
+		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9100,
+			       ARRAY_SIZE(ar5416Bank0_9100), 2);
+		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9100,
+			       ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
+		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9100,
+			       ARRAY_SIZE(ar5416Bank1_9100), 2);
+		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9100,
+			       ARRAY_SIZE(ar5416Bank2_9100), 2);
+		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9100,
+			       ARRAY_SIZE(ar5416Bank3_9100), 3);
+		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100,
+			       ARRAY_SIZE(ar5416Bank6_9100), 3);
+		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9100,
+			       ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
+		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9100,
+			       ARRAY_SIZE(ar5416Bank7_9100), 2);
+		INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100,
+			       ARRAY_SIZE(ar5416Addac_9100), 2);
+	} else {
+		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes,
+			       ARRAY_SIZE(ar5416Modes), 6);
+		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common,
+			       ARRAY_SIZE(ar5416Common), 2);
+		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0,
+			       ARRAY_SIZE(ar5416Bank0), 2);
+		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain,
+			       ARRAY_SIZE(ar5416BB_RfGain), 3);
+		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1,
+			       ARRAY_SIZE(ar5416Bank1), 2);
+		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2,
+			       ARRAY_SIZE(ar5416Bank2), 2);
+		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3,
+			       ARRAY_SIZE(ar5416Bank3), 3);
+		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6,
+			       ARRAY_SIZE(ar5416Bank6), 3);
+		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC,
+			       ARRAY_SIZE(ar5416Bank6TPC), 3);
+		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7,
+			       ARRAY_SIZE(ar5416Bank7), 2);
+		INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
+			       ARRAY_SIZE(ar5416Addac), 2);
+	}
+}
+
+/* Support for Japan ch.14 (2484) spread */
+void ar9002_hw_cck_chan14_spread(struct ath_hw *ah)
+{
+	if (AR_SREV_9287_11_OR_LATER(ah)) {
+		INIT_INI_ARRAY(&ah->iniCckfirNormal,
+		       ar9287Common_normal_cck_fir_coeff_9287_1_1,
+		       ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_9287_1_1),
+		       2);
+		INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
+		       ar9287Common_japan_2484_cck_fir_coeff_9287_1_1,
+		       ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_9287_1_1),
+		       2);
+	}
+}
+
+static void ar9280_20_hw_init_rxgain_ini(struct ath_hw *ah)
+{
+	u32 rxgain_type;
+
+	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
+	    AR5416_EEP_MINOR_VER_17) {
+		rxgain_type = ah->eep_ops->get_eeprom(ah, EEP_RXGAIN_TYPE);
+
+		if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+			ar9280Modes_backoff_13db_rxgain_9280_2,
+			ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2), 6);
+		else if (rxgain_type == AR5416_EEP_RXGAIN_23DB_BACKOFF)
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+			ar9280Modes_backoff_23db_rxgain_9280_2,
+			ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
+		else
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+			ar9280Modes_original_rxgain_9280_2,
+			ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
+	} else {
+		INIT_INI_ARRAY(&ah->iniModesRxGain,
+			ar9280Modes_original_rxgain_9280_2,
+			ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
+	}
+}
+
+static void ar9280_20_hw_init_txgain_ini(struct ath_hw *ah)
+{
+	u32 txgain_type;
+
+	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
+	    AR5416_EEP_MINOR_VER_19) {
+		txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
+
+		if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+			ar9280Modes_high_power_tx_gain_9280_2,
+			ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
+		else
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+			ar9280Modes_original_tx_gain_9280_2,
+			ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
+	} else {
+		INIT_INI_ARRAY(&ah->iniModesTxGain,
+		ar9280Modes_original_tx_gain_9280_2,
+		ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
+	}
+}
+
+static void ar9002_hw_init_mode_gain_regs(struct ath_hw *ah)
+{
+	if (AR_SREV_9287_11_OR_LATER(ah))
+		INIT_INI_ARRAY(&ah->iniModesRxGain,
+		ar9287Modes_rx_gain_9287_1_1,
+		ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1), 6);
+	else if (AR_SREV_9280_20(ah))
+		ar9280_20_hw_init_rxgain_ini(ah);
+
+	if (AR_SREV_9287_11_OR_LATER(ah)) {
+		INIT_INI_ARRAY(&ah->iniModesTxGain,
+		ar9287Modes_tx_gain_9287_1_1,
+		ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 6);
+	} else if (AR_SREV_9280_20(ah)) {
+		ar9280_20_hw_init_txgain_ini(ah);
+	} else if (AR_SREV_9285_12_OR_LATER(ah)) {
+		u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
+
+		/* txgain table */
+		if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER) {
+			if (AR_SREV_9285E_20(ah)) {
+				INIT_INI_ARRAY(&ah->iniModesTxGain,
+				ar9285Modes_XE2_0_high_power,
+				ARRAY_SIZE(
+				  ar9285Modes_XE2_0_high_power), 6);
+			} else {
+				INIT_INI_ARRAY(&ah->iniModesTxGain,
+				ar9285Modes_high_power_tx_gain_9285_1_2,
+				ARRAY_SIZE(
+				  ar9285Modes_high_power_tx_gain_9285_1_2), 6);
+			}
+		} else {
+			if (AR_SREV_9285E_20(ah)) {
+				INIT_INI_ARRAY(&ah->iniModesTxGain,
+				ar9285Modes_XE2_0_normal_power,
+				ARRAY_SIZE(
+				  ar9285Modes_XE2_0_normal_power), 6);
+			} else {
+				INIT_INI_ARRAY(&ah->iniModesTxGain,
+				ar9285Modes_original_tx_gain_9285_1_2,
+				ARRAY_SIZE(
+				  ar9285Modes_original_tx_gain_9285_1_2), 6);
+			}
+		}
+	}
+}
+
+/*
+ * Helper for ASPM support.
+ *
+ * Disable PLL when in L0s as well as receiver clock when in L1.
+ * This power saving option must be enabled through the SerDes.
+ *
+ * Programming the SerDes must go through the same 288 bit serial shift
+ * register as the other analog registers.  Hence the 9 writes.
+ */
+static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
+					 int restore,
+					 int power_off)
+{
+	u8 i;
+	u32 val;
+
+	if (ah->is_pciexpress != 1)
+		return;
+
+	/* Do not touch SerDes registers */
+	if (ah->config.pcie_powersave_enable == 2)
+		return;
+
+	/* Nothing to do on restore for 11N */
+	if (!restore) {
+		if (AR_SREV_9280_20_OR_LATER(ah)) {
+			/*
+			 * AR9280 2.0 or later chips use SerDes values from the
+			 * initvals.h initialized depending on chipset during
+			 * __ath9k_hw_init()
+			 */
+			for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
+				REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
+					  INI_RA(&ah->iniPcieSerdes, i, 1));
+			}
+		} else {
+			ENABLE_REGWRITE_BUFFER(ah);
+
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+
+			/* RX shut off when elecidle is asserted */
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
+
+			/*
+			 * Ignore ah->ah_config.pcie_clock_req setting for
+			 * pre-AR9280 11n
+			 */
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
+
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+			REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
+
+			/* Load the new settings */
+			REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+
+			REGWRITE_BUFFER_FLUSH(ah);
+		}
+
+		udelay(1000);
+	}
+
+	if (power_off) {
+		/* clear bit 19 to disable L1 */
+		REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
+
+		val = REG_READ(ah, AR_WA);
+
+		/*
+		 * Set PCIe workaround bits
+		 * In AR9280 and AR9285, bit 14 in WA register (disable L1)
+		 * should only  be set when device enters D3 and be
+		 * cleared when device comes back to D0.
+		 */
+		if (ah->config.pcie_waen) {
+			if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
+				val |= AR_WA_D3_L1_DISABLE;
+		} else {
+			if (((AR_SREV_9285(ah) ||
+			      AR_SREV_9271(ah) ||
+			      AR_SREV_9287(ah)) &&
+			     (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
+			    (AR_SREV_9280(ah) &&
+			     (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
+				val |= AR_WA_D3_L1_DISABLE;
+			}
+		}
+
+		if (AR_SREV_9280(ah) || AR_SREV_9285(ah) || AR_SREV_9287(ah)) {
+			/*
+			 * Disable bit 6 and 7 before entering D3 to
+			 * prevent system hang.
+			 */
+			val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
+		}
+
+		if (AR_SREV_9280(ah))
+			val |= AR_WA_BIT22;
+
+		if (AR_SREV_9285E_20(ah))
+			val |= AR_WA_BIT23;
+
+		REG_WRITE(ah, AR_WA, val);
+	} else {
+		if (ah->config.pcie_waen) {
+			val = ah->config.pcie_waen;
+			if (!power_off)
+				val &= (~AR_WA_D3_L1_DISABLE);
+		} else {
+			if (AR_SREV_9285(ah) ||
+			    AR_SREV_9271(ah) ||
+			    AR_SREV_9287(ah)) {
+				val = AR9285_WA_DEFAULT;
+				if (!power_off)
+					val &= (~AR_WA_D3_L1_DISABLE);
+			}
+			else if (AR_SREV_9280(ah)) {
+				/*
+				 * For AR9280 chips, bit 22 of 0x4004
+				 * needs to be set.
+				 */
+				val = AR9280_WA_DEFAULT;
+				if (!power_off)
+					val &= (~AR_WA_D3_L1_DISABLE);
+			} else {
+				val = AR_WA_DEFAULT;
+			}
+		}
+
+		/* WAR for ASPM system hang */
+		if (AR_SREV_9285(ah) || AR_SREV_9287(ah))
+			val |= (AR_WA_BIT6 | AR_WA_BIT7);
+
+		if (AR_SREV_9285E_20(ah))
+			val |= AR_WA_BIT23;
+
+		REG_WRITE(ah, AR_WA, val);
+
+		/* set bit 19 to allow forcing of pcie core into L1 state */
+		REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
+	}
+}
+
+static int ar9002_hw_get_radiorev(struct ath_hw *ah)
+{
+	u32 val;
+	int i;
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
+	for (i = 0; i < 8; i++)
+		REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
+
+	REGWRITE_BUFFER_FLUSH(ah);
+
+	val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
+	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
+
+	return ath9k_hw_reverse_bits(val, 8);
+}
+
+int ar9002_hw_rf_claim(struct ath_hw *ah)
+{
+	u32 val;
+
+	REG_WRITE(ah, AR_PHY(0), 0x00000007);
+
+	val = ar9002_hw_get_radiorev(ah);
+	switch (val & AR_RADIO_SREV_MAJOR) {
+	case 0:
+		val = AR_RAD5133_SREV_MAJOR;
+		break;
+	case AR_RAD5133_SREV_MAJOR:
+	case AR_RAD5122_SREV_MAJOR:
+	case AR_RAD2133_SREV_MAJOR:
+	case AR_RAD2122_SREV_MAJOR:
+		break;
+	default:
+		DBG("ath9k: "
+			"Radio Chip Rev 0x%02X not supported\n",
+			val & AR_RADIO_SREV_MAJOR);
+		return -EOPNOTSUPP;
+	}
+
+	ah->hw_version.analog5GhzRev = val;
+
+	return 0;
+}
+
+void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
+{
+	if (AR_SREV_9287_13_OR_LATER(ah)) {
+		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+				AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
+		REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
+		REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
+		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
+				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
+	}
+}
+
+/*
+ * If Async FIFO is enabled, the following counters change as MAC now runs
+ * at 117 Mhz instead of 88/44MHz when async FIFO is disabled.
+ *
+ * The values below tested for ht40 2 chain.
+ * Overwrite the delay/timeouts initialized in process ini.
+ */
+void ar9002_hw_update_async_fifo(struct ath_hw *ah)
+{
+	if (AR_SREV_9287_13_OR_LATER(ah)) {
+		REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
+			  AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR);
+		REG_WRITE(ah, AR_D_GBL_IFS_SLOT,
+			  AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR);
+		REG_WRITE(ah, AR_D_GBL_IFS_EIFS,
+			  AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR);
+
+		REG_WRITE(ah, AR_TIME_OUT, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR);
+		REG_WRITE(ah, AR_USEC, AR_USEC_ASYNC_FIFO_DUR);
+
+		REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER,
+			    AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768);
+		REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN,
+			      AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL);
+	}
+}
+
+/*
+ * We don't enable WEP aggregation on mac80211 but we keep this
+ * around for HAL unification purposes.
+ */
+void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah)
+{
+	if (AR_SREV_9287_13_OR_LATER(ah)) {
+		REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
+			    AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
+	}
+}
+
+/* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
+void ar9002_hw_attach_ops(struct ath_hw *ah)
+{
+	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+	struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
+	priv_ops->init_mode_regs = ar9002_hw_init_mode_regs;
+	priv_ops->init_mode_gain_regs = ar9002_hw_init_mode_gain_regs;
+
+	ops->config_pci_powersave = ar9002_hw_configpcipowersave;
+
+	ar5008_hw_attach_phy_ops(ah);
+	if (AR_SREV_9280_20_OR_LATER(ah))
+		ar9002_hw_attach_phy_ops(ah);
+
+	ar9002_hw_attach_calib_ops(ah);
+	ar9002_hw_attach_mac_ops(ah);
+}
+
+void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	u32 modesIndex;
+	unsigned int i;
+
+	switch (chan->chanmode) {
+	case CHANNEL_A:
+	case CHANNEL_A_HT20:
+		modesIndex = 1;
+		break;
+	case CHANNEL_A_HT40PLUS:
+	case CHANNEL_A_HT40MINUS:
+		modesIndex = 2;
+		break;
+	case CHANNEL_G:
+	case CHANNEL_G_HT20:
+	case CHANNEL_B:
+		modesIndex = 4;
+		break;
+	case CHANNEL_G_HT40PLUS:
+	case CHANNEL_G_HT40MINUS:
+		modesIndex = 3;
+		break;
+
+	default:
+		return;
+	}
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	for (i = 0; i < ah->iniModes_9271_ANI_reg.ia_rows; i++) {
+		u32 reg = INI_RA(&ah->iniModes_9271_ANI_reg, i, 0);
+		u32 val = INI_RA(&ah->iniModes_9271_ANI_reg, i, modesIndex);
+		u32 val_orig;
+
+		if (reg == AR_PHY_CCK_DETECT) {
+			val_orig = REG_READ(ah, reg);
+			val &= AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK;
+			val_orig &= ~AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK;
+
+			REG_WRITE(ah, reg, val|val_orig);
+		} else
+			REG_WRITE(ah, reg, val);
+	}
+
+	REGWRITE_BUFFER_FLUSH(ah);
+}

src/drivers/net/ath/ath9k/ath9k_ar9002_mac.c

@@ -0,0 +1,454 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "hw.h"
+
+#define AR_BufLen           0x00000fff
+
+static void ar9002_hw_rx_enable(struct ath_hw *ah)
+{
+	REG_WRITE(ah, AR_CR, AR_CR_RXE);
+}
+
+static void ar9002_hw_set_desc_link(void *ds, u32 ds_link)
+{
+	((struct ath_desc*) ds)->ds_link = ds_link;
+}
+
+static void ar9002_hw_get_desc_link(void *ds, u32 **ds_link)
+{
+	*ds_link = &((struct ath_desc *)ds)->ds_link;
+}
+
+static int ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
+{
+	u32 isr = 0;
+	u32 mask2 = 0;
+	struct ath9k_hw_capabilities *pCap = &ah->caps;
+	u32 sync_cause = 0;
+	int fatal_int = 0;
+
+	if (!AR_SREV_9100(ah) && (ah->ah_ier & AR_IER_ENABLE)) {
+		if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
+			if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
+			    == AR_RTC_STATUS_ON) {
+				isr = REG_READ(ah, AR_ISR);
+			}
+		}
+
+		sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) &
+			AR_INTR_SYNC_DEFAULT;
+
+		*masked = 0;
+
+		if (!isr && !sync_cause)
+			return 0;
+	} else {
+		*masked = 0;
+		isr = REG_READ(ah, AR_ISR);
+	}
+
+	if (isr) {
+		if (isr & AR_ISR_BCNMISC) {
+			u32 isr2;
+			isr2 = REG_READ(ah, AR_ISR_S2);
+			if (isr2 & AR_ISR_S2_TIM)
+				mask2 |= ATH9K_INT_TIM;
+			if (isr2 & AR_ISR_S2_DTIM)
+				mask2 |= ATH9K_INT_DTIM;
+			if (isr2 & AR_ISR_S2_DTIMSYNC)
+				mask2 |= ATH9K_INT_DTIMSYNC;
+			if (isr2 & (AR_ISR_S2_CABEND))
+				mask2 |= ATH9K_INT_CABEND;
+			if (isr2 & AR_ISR_S2_GTT)
+				mask2 |= ATH9K_INT_GTT;
+			if (isr2 & AR_ISR_S2_CST)
+				mask2 |= ATH9K_INT_CST;
+			if (isr2 & AR_ISR_S2_TSFOOR)
+				mask2 |= ATH9K_INT_TSFOOR;
+		}
+
+		isr = REG_READ(ah, AR_ISR_RAC);
+		if (isr == 0xffffffff) {
+			*masked = 0;
+			return 0;
+		}
+
+		*masked = isr & ATH9K_INT_COMMON;
+
+		if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM |
+			   AR_ISR_RXOK | AR_ISR_RXERR))
+			*masked |= ATH9K_INT_RX;
+
+		if (isr &
+		    (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
+		     AR_ISR_TXEOL)) {
+			u32 s0_s, s1_s;
+
+			*masked |= ATH9K_INT_TX;
+
+			s0_s = REG_READ(ah, AR_ISR_S0_S);
+			ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
+			ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
+
+			s1_s = REG_READ(ah, AR_ISR_S1_S);
+			ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
+			ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
+		}
+
+		if (isr & AR_ISR_RXORN) {
+			DBG("ath9k: "
+				"receive FIFO overrun interrupt\n");
+		}
+
+		*masked |= mask2;
+	}
+
+	if (AR_SREV_9100(ah))
+		return 1;
+
+	if (isr & AR_ISR_GENTMR) {
+		u32 s5_s;
+
+		s5_s = REG_READ(ah, AR_ISR_S5_S);
+		ah->intr_gen_timer_trigger =
+				MS(s5_s, AR_ISR_S5_GENTIMER_TRIG);
+
+		ah->intr_gen_timer_thresh =
+			MS(s5_s, AR_ISR_S5_GENTIMER_THRESH);
+
+		if (ah->intr_gen_timer_trigger)
+			*masked |= ATH9K_INT_GENTIMER;
+
+		if ((s5_s & AR_ISR_S5_TIM_TIMER) &&
+		    !(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+			*masked |= ATH9K_INT_TIM_TIMER;
+	}
+
+	if (sync_cause) {
+		fatal_int =
+			(sync_cause &
+			 (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
+			? 1 : 0;
+
+		if (fatal_int) {
+			if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
+				DBG("ath9k: "
+					"received PCI FATAL interrupt\n");
+			}
+			if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
+				DBG("ath9k: "
+					"received PCI PERR interrupt\n");
+			}
+			*masked |= ATH9K_INT_FATAL;
+		}
+		if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
+			DBG("ath9k: "
+				"AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
+			REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
+			REG_WRITE(ah, AR_RC, 0);
+			*masked |= ATH9K_INT_FATAL;
+		}
+		if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
+			DBG("ath9k: "
+				"AR_INTR_SYNC_LOCAL_TIMEOUT\n");
+		}
+
+		REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
+		(void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
+	}
+
+	return 1;
+}
+
+static void ar9002_hw_fill_txdesc(struct ath_hw *ah __unused, void *ds, u32 seglen,
+				  int is_firstseg, int is_lastseg,
+				  const void *ds0, u32 buf_addr,
+				  unsigned int qcu __unused)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+
+	ads->ds_data = buf_addr;
+
+	if (is_firstseg) {
+		ads->ds_ctl1 |= seglen | (is_lastseg ? 0 : AR_TxMore);
+	} else if (is_lastseg) {
+		ads->ds_ctl0 = 0;
+		ads->ds_ctl1 = seglen;
+		ads->ds_ctl2 = AR5416DESC_CONST(ds0)->ds_ctl2;
+		ads->ds_ctl3 = AR5416DESC_CONST(ds0)->ds_ctl3;
+	} else {
+		ads->ds_ctl0 = 0;
+		ads->ds_ctl1 = seglen | AR_TxMore;
+		ads->ds_ctl2 = 0;
+		ads->ds_ctl3 = 0;
+	}
+	ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
+	ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
+	ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
+	ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
+	ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
+}
+
+static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
+				 struct ath_tx_status *ts)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+	u32 status;
+
+	status = *(volatile typeof(ads->ds_txstatus9) *)&(ads->ds_txstatus9);
+	if ((status & AR_TxDone) == 0)
+		return -EINPROGRESS;
+
+	ts->ts_tstamp = ads->AR_SendTimestamp;
+	ts->ts_status = 0;
+	ts->ts_flags = 0;
+
+	if (status & AR_TxOpExceeded)
+		ts->ts_status |= ATH9K_TXERR_XTXOP;
+	ts->tid = MS(status, AR_TxTid);
+	ts->ts_rateindex = MS(status, AR_FinalTxIdx);
+	ts->ts_seqnum = MS(status, AR_SeqNum);
+
+	status = *(volatile typeof(ads->ds_txstatus0) *)&(ads->ds_txstatus0);
+	ts->ts_rssi_ctl0 = MS(status, AR_TxRSSIAnt00);
+	ts->ts_rssi_ctl1 = MS(status, AR_TxRSSIAnt01);
+	ts->ts_rssi_ctl2 = MS(status, AR_TxRSSIAnt02);
+	if (status & AR_TxBaStatus) {
+		ts->ts_flags |= ATH9K_TX_BA;
+		ts->ba_low = ads->AR_BaBitmapLow;
+		ts->ba_high = ads->AR_BaBitmapHigh;
+	}
+
+	status = *(volatile typeof(ads->ds_txstatus1) *)&(ads->ds_txstatus1);
+	if (status & AR_FrmXmitOK)
+		ts->ts_status |= ATH9K_TX_ACKED;
+	else {
+		if (status & AR_ExcessiveRetries)
+			ts->ts_status |= ATH9K_TXERR_XRETRY;
+		if (status & AR_Filtered)
+			ts->ts_status |= ATH9K_TXERR_FILT;
+		if (status & AR_FIFOUnderrun) {
+			ts->ts_status |= ATH9K_TXERR_FIFO;
+			ath9k_hw_updatetxtriglevel(ah, 1);
+		}
+	}
+	if (status & AR_TxTimerExpired)
+		ts->ts_status |= ATH9K_TXERR_TIMER_EXPIRED;
+	if (status & AR_DescCfgErr)
+		ts->ts_flags |= ATH9K_TX_DESC_CFG_ERR;
+	if (status & AR_TxDataUnderrun) {
+		ts->ts_flags |= ATH9K_TX_DATA_UNDERRUN;
+		ath9k_hw_updatetxtriglevel(ah, 1);
+	}
+	if (status & AR_TxDelimUnderrun) {
+		ts->ts_flags |= ATH9K_TX_DELIM_UNDERRUN;
+		ath9k_hw_updatetxtriglevel(ah, 1);
+	}
+	ts->ts_shortretry = MS(status, AR_RTSFailCnt);
+	ts->ts_longretry = MS(status, AR_DataFailCnt);
+	ts->ts_virtcol = MS(status, AR_VirtRetryCnt);
+
+	status = *(volatile typeof(ads->ds_txstatus5) *)&(ads->ds_txstatus5);
+	ts->ts_rssi = MS(status, AR_TxRSSICombined);
+	ts->ts_rssi_ext0 = MS(status, AR_TxRSSIAnt10);
+	ts->ts_rssi_ext1 = MS(status, AR_TxRSSIAnt11);
+	ts->ts_rssi_ext2 = MS(status, AR_TxRSSIAnt12);
+
+	ts->evm0 = ads->AR_TxEVM0;
+	ts->evm1 = ads->AR_TxEVM1;
+	ts->evm2 = ads->AR_TxEVM2;
+
+	return 0;
+}
+
+static void ar9002_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
+				    u32 pktLen, enum ath9k_pkt_type type,
+				    u32 txPower, u32 keyIx,
+				    enum ath9k_key_type keyType, u32 flags)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+
+	if (txPower > 63)
+		txPower = 63;
+
+	ads->ds_ctl0 = (pktLen & AR_FrameLen)
+		| (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
+		| SM(txPower, AR_XmitPower)
+		| (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
+		| (flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
+		| (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0);
+
+	ads->ds_ctl1 =
+		(keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
+		| SM(type, AR_FrameType)
+		| (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
+		| (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
+		| (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
+
+	ads->ds_ctl6 = SM(keyType, AR_EncrType);
+
+	if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) {
+		ads->ds_ctl8 = 0;
+		ads->ds_ctl9 = 0;
+		ads->ds_ctl10 = 0;
+		ads->ds_ctl11 = 0;
+	}
+}
+
+static void ar9002_hw_set_clrdmask(struct ath_hw *ah __unused, void *ds, int val)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+
+	if (val)
+		ads->ds_ctl0 |= AR_ClrDestMask;
+	else
+		ads->ds_ctl0 &= ~AR_ClrDestMask;
+}
+
+static void ar9002_hw_set11n_ratescenario(struct ath_hw *ah __unused, void *ds,
+					  void *lastds,
+					  u32 durUpdateEn, u32 rtsctsRate,
+					  u32 rtsctsDuration __unused,
+					  struct ath9k_11n_rate_series series[],
+					  u32 nseries __unused, u32 flags)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+	struct ar5416_desc *last_ads = AR5416DESC(lastds);
+	u32 ds_ctl0;
+
+	if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
+		ds_ctl0 = ads->ds_ctl0;
+
+		if (flags & ATH9K_TXDESC_RTSENA) {
+			ds_ctl0 &= ~AR_CTSEnable;
+			ds_ctl0 |= AR_RTSEnable;
+		} else {
+			ds_ctl0 &= ~AR_RTSEnable;
+			ds_ctl0 |= AR_CTSEnable;
+		}
+
+		ads->ds_ctl0 = ds_ctl0;
+	} else {
+		ads->ds_ctl0 =
+			(ads->ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
+	}
+
+	ads->ds_ctl2 = set11nTries(series, 0)
+		| set11nTries(series, 1)
+		| set11nTries(series, 2)
+		| set11nTries(series, 3)
+		| (durUpdateEn ? AR_DurUpdateEna : 0)
+		| SM(0, AR_BurstDur);
+
+	ads->ds_ctl3 = set11nRate(series, 0)
+		| set11nRate(series, 1)
+		| set11nRate(series, 2)
+		| set11nRate(series, 3);
+
+	ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
+		| set11nPktDurRTSCTS(series, 1);
+
+	ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
+		| set11nPktDurRTSCTS(series, 3);
+
+	ads->ds_ctl7 = set11nRateFlags(series, 0)
+		| set11nRateFlags(series, 1)
+		| set11nRateFlags(series, 2)
+		| set11nRateFlags(series, 3)
+		| SM(rtsctsRate, AR_RTSCTSRate);
+	last_ads->ds_ctl2 = ads->ds_ctl2;
+	last_ads->ds_ctl3 = ads->ds_ctl3;
+}
+
+static void ar9002_hw_set11n_aggr_first(struct ath_hw *ah __unused, void *ds,
+					u32 aggrLen)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+
+	ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
+	ads->ds_ctl6 &= ~AR_AggrLen;
+	ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen);
+}
+
+static void ar9002_hw_set11n_aggr_middle(struct ath_hw *ah __unused, void *ds,
+					 u32 numDelims)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+	unsigned int ctl6;
+
+	ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
+
+	ctl6 = ads->ds_ctl6;
+	ctl6 &= ~AR_PadDelim;
+	ctl6 |= SM(numDelims, AR_PadDelim);
+	ads->ds_ctl6 = ctl6;
+}
+
+static void ar9002_hw_set11n_aggr_last(struct ath_hw *ah __unused, void *ds)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+
+	ads->ds_ctl1 |= AR_IsAggr;
+	ads->ds_ctl1 &= ~AR_MoreAggr;
+	ads->ds_ctl6 &= ~AR_PadDelim;
+}
+
+static void ar9002_hw_clr11n_aggr(struct ath_hw *ah __unused, void *ds)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+
+	ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
+}
+
+void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
+			  u32 size, u32 flags)
+{
+	struct ar5416_desc *ads = AR5416DESC(ds);
+	struct ath9k_hw_capabilities *pCap = &ah->caps;
+
+	ads->ds_ctl1 = size & AR_BufLen;
+	if (flags & ATH9K_RXDESC_INTREQ)
+		ads->ds_ctl1 |= AR_RxIntrReq;
+
+	ads->ds_rxstatus8 &= ~AR_RxDone;
+	if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+		memset(&(ads->u), 0, sizeof(ads->u));
+}
+
+void ar9002_hw_attach_mac_ops(struct ath_hw *ah)
+{
+	struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
+	ops->rx_enable = ar9002_hw_rx_enable;
+	ops->set_desc_link = ar9002_hw_set_desc_link;
+	ops->get_desc_link = ar9002_hw_get_desc_link;
+	ops->get_isr = ar9002_hw_get_isr;
+	ops->fill_txdesc = ar9002_hw_fill_txdesc;
+	ops->proc_txdesc = ar9002_hw_proc_txdesc;
+	ops->set11n_txdesc = ar9002_hw_set11n_txdesc;
+	ops->set11n_ratescenario = ar9002_hw_set11n_ratescenario;
+	ops->set11n_aggr_first = ar9002_hw_set11n_aggr_first;
+	ops->set11n_aggr_middle = ar9002_hw_set11n_aggr_middle;
+	ops->set11n_aggr_last = ar9002_hw_set11n_aggr_last;
+	ops->clr11n_aggr = ar9002_hw_clr11n_aggr;
+	ops->set_clrdmask = ar9002_hw_set_clrdmask;
+}

src/drivers/net/ath/ath9k/ath9k_ar9002_phy.c

@@ -0,0 +1,578 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * DOC: Programming Atheros 802.11n analog front end radios
+ *
+ * AR5416 MAC based PCI devices and AR518 MAC based PCI-Express
+ * devices have either an external AR2133 analog front end radio for single
+ * band 2.4 GHz communication or an AR5133 analog front end radio for dual
+ * band 2.4 GHz / 5 GHz communication.
+ *
+ * All devices after the AR5416 and AR5418 family starting with the AR9280
+ * have their analog front radios, MAC/BB and host PCIe/USB interface embedded
+ * into a single-chip and require less programming.
+ *
+ * The following single-chips exist with a respective embedded radio:
+ *
+ * AR9280 - 11n dual-band 2x2 MIMO for PCIe
+ * AR9281 - 11n single-band 1x2 MIMO for PCIe
+ * AR9285 - 11n single-band 1x1 for PCIe
+ * AR9287 - 11n single-band 2x2 MIMO for PCIe
+ *
+ * AR9220 - 11n dual-band 2x2 MIMO for PCI
+ * AR9223 - 11n single-band 2x2 MIMO for PCI
+ *
+ * AR9287 - 11n single-band 1x1 MIMO for USB
+ */
+
+#include <ipxe/io.h>
+
+#include "hw.h"
+#include "ar9002_phy.h"
+
+/**
+ * ar9002_hw_set_channel - set channel on single-chip device
+ * @ah: atheros hardware structure
+ * @chan:
+ *
+ * This is the function to change channel on single-chip devices, that is
+ * all devices after ar9280.
+ *
+ * This function takes the channel value in MHz and sets
+ * hardware channel value. Assumes writes have been enabled to analog bus.
+ *
+ * Actual Expression,
+ *
+ * For 2GHz channel,
+ * Channel Frequency = (3/4) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^17)
+ * (freq_ref = 40MHz)
+ *
+ * For 5GHz channel,
+ * Channel Frequency = (3/2) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^10)
+ * (freq_ref = 40MHz/(24>>amodeRefSel))
+ */
+static int ar9002_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	u16 bMode, fracMode, aModeRefSel = 0;
+	u32 freq, ndiv, channelSel = 0, channelFrac = 0, reg32 = 0;
+	struct chan_centers centers;
+	u32 refDivA = 24;
+
+	ath9k_hw_get_channel_centers(ah, chan, &centers);
+	freq = centers.synth_center;
+
+	reg32 = REG_READ(ah, AR_PHY_SYNTH_CONTROL);
+	reg32 &= 0xc0000000;
+
+	if (freq < 4800) { /* 2 GHz, fractional mode */
+		u32 txctl;
+		unsigned int regWrites = 0;
+
+		bMode = 1;
+		fracMode = 1;
+		aModeRefSel = 0;
+		channelSel = CHANSEL_2G(freq);
+
+		if (AR_SREV_9287_11_OR_LATER(ah)) {
+			if (freq == 2484) {
+				/* Enable channel spreading for channel 14 */
+				REG_WRITE_ARRAY(&ah->iniCckfirJapan2484,
+						1, regWrites);
+			} else {
+				REG_WRITE_ARRAY(&ah->iniCckfirNormal,
+						1, regWrites);
+			}
+		} else {
+			txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
+			if (freq == 2484) {
+				/* Enable channel spreading for channel 14 */
+				REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
+					  txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
+			} else {
+				REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
+					  txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
+			}
+		}
+	} else {
+		bMode = 0;
+		fracMode = 0;
+
+		switch (ah->eep_ops->get_eeprom(ah, EEP_FRAC_N_5G)) {
+		case 0:
+			if ((freq % 20) == 0)
+				aModeRefSel = 3;
+			else if ((freq % 10) == 0)
+				aModeRefSel = 2;
+			if (aModeRefSel)
+				break;
+		case 1:
+		default:
+			aModeRefSel = 0;
+			/*
+			 * Enable 2G (fractional) mode for channels
+			 * which are 5MHz spaced.
+			 */
+			fracMode = 1;
+			refDivA = 1;
+			channelSel = CHANSEL_5G(freq);
+
+			/* RefDivA setting */
+			REG_RMW_FIELD(ah, AR_AN_SYNTH9,
+				      AR_AN_SYNTH9_REFDIVA, refDivA);
+
+		}
+
+		if (!fracMode) {
+			ndiv = (freq * (refDivA >> aModeRefSel)) / 60;
+			channelSel = ndiv & 0x1ff;
+			channelFrac = (ndiv & 0xfffffe00) * 2;
+			channelSel = (channelSel << 17) | channelFrac;
+		}
+	}
+
+	reg32 = reg32 |
+	    (bMode << 29) |
+	    (fracMode << 28) | (aModeRefSel << 26) | (channelSel);
+
+	REG_WRITE(ah, AR_PHY_SYNTH_CONTROL, reg32);
+
+	ah->curchan = chan;
+	ah->curchan_rad_index = -1;
+
+	return 0;
+}
+
+/**
+ * ar9002_hw_spur_mitigate - convert baseband spur frequency
+ * @ah: atheros hardware structure
+ * @chan:
+ *
+ * For single-chip solutions. Converts to baseband spur frequency given the
+ * input channel frequency and compute register settings below.
+ */
+static void ar9002_hw_spur_mitigate(struct ath_hw *ah,
+				    struct ath9k_channel *chan)
+{
+	int bb_spur = AR_NO_SPUR;
+	int freq;
+	int bin, cur_bin;
+	int bb_spur_off, spur_subchannel_sd;
+	int spur_freq_sd;
+	int spur_delta_phase;
+	int denominator;
+	int upper, lower, cur_vit_mask;
+	int tmp, newVal;
+	int i;
+	static const int pilot_mask_reg[4] = {
+		AR_PHY_TIMING7, AR_PHY_TIMING8,
+		AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
+	};
+	static const int chan_mask_reg[4] = {
+		AR_PHY_TIMING9, AR_PHY_TIMING10,
+		AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
+	};
+	static const int inc[4] = { 0, 100, 0, 0 };
+	struct chan_centers centers;
+
+	int8_t mask_m[123];
+	int8_t mask_p[123];
+	int8_t mask_amt;
+	int tmp_mask;
+	int cur_bb_spur;
+	int is2GHz = IS_CHAN_2GHZ(chan);
+
+	memset(&mask_m, 0, sizeof(int8_t) * 123);
+	memset(&mask_p, 0, sizeof(int8_t) * 123);
+
+	ath9k_hw_get_channel_centers(ah, chan, &centers);
+	freq = centers.synth_center;
+
+	ah->config.spurmode = SPUR_ENABLE_EEPROM;
+	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
+		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
+
+		if (AR_NO_SPUR == cur_bb_spur)
+			break;
+
+		if (is2GHz)
+			cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
+		else
+			cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
+
+		cur_bb_spur = cur_bb_spur - freq;
+
+		if (IS_CHAN_HT40(chan)) {
+			if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
+			    (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
+				bb_spur = cur_bb_spur;
+				break;
+			}
+		} else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
+			   (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
+			bb_spur = cur_bb_spur;
+			break;
+		}
+	}
+
+	if (AR_NO_SPUR == bb_spur) {
+		REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
+			    AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
+		return;
+	} else {
+		REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
+			    AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
+	}
+
+	bin = bb_spur * 320;
+
+	tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
+			AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
+			AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
+			AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
+	REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), newVal);
+
+	newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
+		  AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
+		  AR_PHY_SPUR_REG_MASK_RATE_SELECT |
+		  AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
+		  SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
+	REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);
+
+	if (IS_CHAN_HT40(chan)) {
+		if (bb_spur < 0) {
+			spur_subchannel_sd = 1;
+			bb_spur_off = bb_spur + 10;
+		} else {
+			spur_subchannel_sd = 0;
+			bb_spur_off = bb_spur - 10;
+		}
+	} else {
+		spur_subchannel_sd = 0;
+		bb_spur_off = bb_spur;
+	}
+
+	if (IS_CHAN_HT40(chan))
+		spur_delta_phase =
+			((bb_spur * 262144) /
+			 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
+	else
+		spur_delta_phase =
+			((bb_spur * 524288) /
+			 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
+
+	denominator = IS_CHAN_2GHZ(chan) ? 44 : 40;
+	spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;
+
+	newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
+		  SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
+		  SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
+	REG_WRITE(ah, AR_PHY_TIMING11, newVal);
+
+	newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
+	REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);
+
+	cur_bin = -6000;
+	upper = bin + 100;
+	lower = bin - 100;
+
+	for (i = 0; i < 4; i++) {
+		int pilot_mask = 0;
+		int chan_mask = 0;
+		int bp = 0;
+		for (bp = 0; bp < 30; bp++) {
+			if ((cur_bin > lower) && (cur_bin < upper)) {
+				pilot_mask = pilot_mask | 0x1 << bp;
+				chan_mask = chan_mask | 0x1 << bp;
+			}
+			cur_bin += 100;
+		}
+		cur_bin += inc[i];
+		REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
+		REG_WRITE(ah, chan_mask_reg[i], chan_mask);
+	}
+
+	cur_vit_mask = 6100;
+	upper = bin + 120;
+	lower = bin - 120;
+
+	for (i = 0; i < 123; i++) {
+		if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
+
+			/* workaround for gcc bug #37014 */
+			volatile int tmp_v = abs(cur_vit_mask - bin);
+
+			if (tmp_v < 75)
+				mask_amt = 1;
+			else
+				mask_amt = 0;
+			if (cur_vit_mask < 0)
+				mask_m[abs(cur_vit_mask / 100)] = mask_amt;
+			else
+				mask_p[cur_vit_mask / 100] = mask_amt;
+		}
+		cur_vit_mask -= 100;
+	}
+
+	tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
+		| (mask_m[48] << 26) | (mask_m[49] << 24)
+		| (mask_m[50] << 22) | (mask_m[51] << 20)
+		| (mask_m[52] << 18) | (mask_m[53] << 16)
+		| (mask_m[54] << 14) | (mask_m[55] << 12)
+		| (mask_m[56] << 10) | (mask_m[57] << 8)
+		| (mask_m[58] << 6) | (mask_m[59] << 4)
+		| (mask_m[60] << 2) | (mask_m[61] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
+	REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
+
+	tmp_mask = (mask_m[31] << 28)
+		| (mask_m[32] << 26) | (mask_m[33] << 24)
+		| (mask_m[34] << 22) | (mask_m[35] << 20)
+		| (mask_m[36] << 18) | (mask_m[37] << 16)
+		| (mask_m[48] << 14) | (mask_m[39] << 12)
+		| (mask_m[40] << 10) | (mask_m[41] << 8)
+		| (mask_m[42] << 6) | (mask_m[43] << 4)
+		| (mask_m[44] << 2) | (mask_m[45] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
+
+	tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
+		| (mask_m[18] << 26) | (mask_m[18] << 24)
+		| (mask_m[20] << 22) | (mask_m[20] << 20)
+		| (mask_m[22] << 18) | (mask_m[22] << 16)
+		| (mask_m[24] << 14) | (mask_m[24] << 12)
+		| (mask_m[25] << 10) | (mask_m[26] << 8)
+		| (mask_m[27] << 6) | (mask_m[28] << 4)
+		| (mask_m[29] << 2) | (mask_m[30] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
+
+	tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
+		| (mask_m[2] << 26) | (mask_m[3] << 24)
+		| (mask_m[4] << 22) | (mask_m[5] << 20)
+		| (mask_m[6] << 18) | (mask_m[7] << 16)
+		| (mask_m[8] << 14) | (mask_m[9] << 12)
+		| (mask_m[10] << 10) | (mask_m[11] << 8)
+		| (mask_m[12] << 6) | (mask_m[13] << 4)
+		| (mask_m[14] << 2) | (mask_m[15] << 0);
+	REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
+
+	tmp_mask = (mask_p[15] << 28)
+		| (mask_p[14] << 26) | (mask_p[13] << 24)
+		| (mask_p[12] << 22) | (mask_p[11] << 20)
+		| (mask_p[10] << 18) | (mask_p[9] << 16)
+		| (mask_p[8] << 14) | (mask_p[7] << 12)
+		| (mask_p[6] << 10) | (mask_p[5] << 8)
+		| (mask_p[4] << 6) | (mask_p[3] << 4)
+		| (mask_p[2] << 2) | (mask_p[1] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
+
+	tmp_mask = (mask_p[30] << 28)
+		| (mask_p[29] << 26) | (mask_p[28] << 24)
+		| (mask_p[27] << 22) | (mask_p[26] << 20)
+		| (mask_p[25] << 18) | (mask_p[24] << 16)
+		| (mask_p[23] << 14) | (mask_p[22] << 12)
+		| (mask_p[21] << 10) | (mask_p[20] << 8)
+		| (mask_p[19] << 6) | (mask_p[18] << 4)
+		| (mask_p[17] << 2) | (mask_p[16] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
+
+	tmp_mask = (mask_p[45] << 28)
+		| (mask_p[44] << 26) | (mask_p[43] << 24)
+		| (mask_p[42] << 22) | (mask_p[41] << 20)
+		| (mask_p[40] << 18) | (mask_p[39] << 16)
+		| (mask_p[38] << 14) | (mask_p[37] << 12)
+		| (mask_p[36] << 10) | (mask_p[35] << 8)
+		| (mask_p[34] << 6) | (mask_p[33] << 4)
+		| (mask_p[32] << 2) | (mask_p[31] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
+
+	tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
+		| (mask_p[59] << 26) | (mask_p[58] << 24)
+		| (mask_p[57] << 22) | (mask_p[56] << 20)
+		| (mask_p[55] << 18) | (mask_p[54] << 16)
+		| (mask_p[53] << 14) | (mask_p[52] << 12)
+		| (mask_p[51] << 10) | (mask_p[50] << 8)
+		| (mask_p[49] << 6) | (mask_p[48] << 4)
+		| (mask_p[47] << 2) | (mask_p[46] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
+
+	REGWRITE_BUFFER_FLUSH(ah);
+}
+
+static void ar9002_olc_init(struct ath_hw *ah)
+{
+	u32 i;
+
+	if (!OLC_FOR_AR9280_20_LATER)
+		return;
+
+	if (OLC_FOR_AR9287_10_LATER) {
+		REG_SET_BIT(ah, AR_PHY_TX_PWRCTRL9,
+				AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL);
+		ath9k_hw_analog_shift_rmw(ah, AR9287_AN_TXPC0,
+				AR9287_AN_TXPC0_TXPCMODE,
+				AR9287_AN_TXPC0_TXPCMODE_S,
+				AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE);
+		udelay(100);
+	} else {
+		for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
+			ah->originalGain[i] =
+				MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
+						AR_PHY_TX_GAIN);
+		ah->PDADCdelta = 0;
+	}
+}
+
+static u32 ar9002_hw_compute_pll_control(struct ath_hw *ah,
+					 struct ath9k_channel *chan)
+{
+	u32 pll;
+
+	pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
+
+	if (chan && IS_CHAN_HALF_RATE(chan))
+		pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
+	else if (chan && IS_CHAN_QUARTER_RATE(chan))
+		pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
+
+	if (chan && IS_CHAN_5GHZ(chan)) {
+		if (IS_CHAN_A_FAST_CLOCK(ah, chan))
+			pll = 0x142c;
+		else if (AR_SREV_9280_20(ah))
+			pll = 0x2850;
+		else
+			pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
+	} else {
+		pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
+	}
+
+	return pll;
+}
+
+static void ar9002_hw_do_getnf(struct ath_hw *ah,
+			      int16_t nfarray[NUM_NF_READINGS])
+{
+	int16_t nf;
+
+	nf = MS(REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
+	nfarray[0] = sign_extend32(nf, 8);
+
+	nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
+	if (IS_CHAN_HT40(ah->curchan))
+		nfarray[3] = sign_extend32(nf, 8);
+
+	if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
+		return;
+
+	nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR9280_PHY_CH1_MINCCA_PWR);
+	nfarray[1] = sign_extend32(nf, 8);
+
+	nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR9280_PHY_CH1_EXT_MINCCA_PWR);
+	if (IS_CHAN_HT40(ah->curchan))
+		nfarray[4] = sign_extend32(nf, 8);
+}
+
+static void ar9002_hw_set_nf_limits(struct ath_hw *ah)
+{
+	if (AR_SREV_9285(ah)) {
+		ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
+		ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
+		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
+	} else if (AR_SREV_9287(ah)) {
+		ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ;
+		ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ;
+		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9287_2GHZ;
+	} else if (AR_SREV_9271(ah)) {
+		ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9271_2GHZ;
+		ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9271_2GHZ;
+		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9271_2GHZ;
+	} else {
+		ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_2GHZ;
+		ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_2GHZ;
+		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9280_2GHZ;
+		ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_5GHZ;
+		ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_5GHZ;
+		ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9280_5GHZ;
+	}
+}
+
+static void ar9002_hw_antdiv_comb_conf_get(struct ath_hw *ah,
+				   struct ath_hw_antcomb_conf *antconf)
+{
+	u32 regval;
+
+	regval = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL);
+	antconf->main_lna_conf = (regval & AR_PHY_9285_ANT_DIV_MAIN_LNACONF) >>
+				  AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S;
+	antconf->alt_lna_conf = (regval & AR_PHY_9285_ANT_DIV_ALT_LNACONF) >>
+				 AR_PHY_9285_ANT_DIV_ALT_LNACONF_S;
+	antconf->fast_div_bias = (regval & AR_PHY_9285_FAST_DIV_BIAS) >>
+				  AR_PHY_9285_FAST_DIV_BIAS_S;
+	antconf->lna1_lna2_delta = -3;
+	antconf->div_group = 0;
+}
+
+static void ar9002_hw_antdiv_comb_conf_set(struct ath_hw *ah,
+				   struct ath_hw_antcomb_conf *antconf)
+{
+	u32 regval;
+
+	regval = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL);
+	regval &= ~(AR_PHY_9285_ANT_DIV_MAIN_LNACONF |
+		    AR_PHY_9285_ANT_DIV_ALT_LNACONF |
+		    AR_PHY_9285_FAST_DIV_BIAS);
+	regval |= ((antconf->main_lna_conf << AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S)
+		   & AR_PHY_9285_ANT_DIV_MAIN_LNACONF);
+	regval |= ((antconf->alt_lna_conf << AR_PHY_9285_ANT_DIV_ALT_LNACONF_S)
+		   & AR_PHY_9285_ANT_DIV_ALT_LNACONF);
+	regval |= ((antconf->fast_div_bias << AR_PHY_9285_FAST_DIV_BIAS_S)
+		   & AR_PHY_9285_FAST_DIV_BIAS);
+
+	REG_WRITE(ah, AR_PHY_MULTICHAIN_GAIN_CTL, regval);
+}
+
+void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
+{
+	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+	struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
+	priv_ops->set_rf_regs = NULL;
+	priv_ops->rf_alloc_ext_banks = NULL;
+	priv_ops->rf_free_ext_banks = NULL;
+	priv_ops->rf_set_freq = ar9002_hw_set_channel;
+	priv_ops->spur_mitigate_freq = ar9002_hw_spur_mitigate;
+	priv_ops->olc_init = ar9002_olc_init;
+	priv_ops->compute_pll_control = ar9002_hw_compute_pll_control;
+	priv_ops->do_getnf = ar9002_hw_do_getnf;
+
+	ops->antdiv_comb_conf_get = ar9002_hw_antdiv_comb_conf_get;
+	ops->antdiv_comb_conf_set = ar9002_hw_antdiv_comb_conf_set;
+
+	ar9002_hw_set_nf_limits(ah);
+}

src/drivers/net/ath/ath9k/ath9k_ar9003_calib.c

@@ -0,0 +1,932 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "hw.h"
+#include "hw-ops.h"
+#include "ar9003_phy.h"
+
+#define MAX_MEASUREMENT	8
+#define MAX_MAG_DELTA	11
+#define MAX_PHS_DELTA	10
+
+struct coeff {
+	int mag_coeff[AR9300_MAX_CHAINS][MAX_MEASUREMENT];
+	int phs_coeff[AR9300_MAX_CHAINS][MAX_MEASUREMENT];
+	int iqc_coeff[2];
+};
+
+enum ar9003_cal_types {
+	IQ_MISMATCH_CAL = BIT(0),
+	TEMP_COMP_CAL = BIT(1),
+};
+
+static void ar9003_hw_setup_calibration(struct ath_hw *ah,
+					struct ath9k_cal_list *currCal)
+{
+	/* Select calibration to run */
+	switch (currCal->calData->calType) {
+	case IQ_MISMATCH_CAL:
+		/*
+		 * Start calibration with
+		 * 2^(INIT_IQCAL_LOG_COUNT_MAX+1) samples
+		 */
+		REG_RMW_FIELD(ah, AR_PHY_TIMING4,
+			      AR_PHY_TIMING4_IQCAL_LOG_COUNT_MAX,
+		currCal->calData->calCountMax);
+		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
+
+		DBG2("ath9k: "
+			"starting IQ Mismatch Calibration\n");
+
+		/* Kick-off cal */
+		REG_SET_BIT(ah, AR_PHY_TIMING4, AR_PHY_TIMING4_DO_CAL);
+		break;
+	case TEMP_COMP_CAL:
+		REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_THERM,
+			      AR_PHY_65NM_CH0_THERM_LOCAL, 1);
+		REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_THERM,
+			      AR_PHY_65NM_CH0_THERM_START, 1);
+
+		DBG2("ath9k: "
+			"starting Temperature Compensation Calibration\n");
+		break;
+	}
+}
+
+/*
+ * Generic calibration routine.
+ * Recalibrate the lower PHY chips to account for temperature/environment
+ * changes.
+ */
+static int ar9003_hw_per_calibration(struct ath_hw *ah,
+				      struct ath9k_channel *ichan __unused,
+				      u8 rxchainmask,
+				      struct ath9k_cal_list *currCal)
+{
+	struct ath9k_hw_cal_data *caldata = ah->caldata;
+	/* Cal is assumed not done until explicitly set below */
+	int iscaldone = 0;
+
+	/* Calibration in progress. */
+	if (currCal->calState == CAL_RUNNING) {
+		/* Check to see if it has finished. */
+		if (!(REG_READ(ah, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL)) {
+			/*
+			* Accumulate cal measures for active chains
+			*/
+			currCal->calData->calCollect(ah);
+			ah->cal_samples++;
+
+			if (ah->cal_samples >=
+			    currCal->calData->calNumSamples) {
+				unsigned int i, numChains = 0;
+				for (i = 0; i < AR9300_MAX_CHAINS; i++) {
+					if (rxchainmask & (1 << i))
+						numChains++;
+				}
+
+				/*
+				* Process accumulated data
+				*/
+				currCal->calData->calPostProc(ah, numChains);
+
+				/* Calibration has finished. */
+				caldata->CalValid |= currCal->calData->calType;
+				currCal->calState = CAL_DONE;
+				iscaldone = 1;
+			} else {
+			/*
+			 * Set-up collection of another sub-sample until we
+			 * get desired number
+			 */
+			ar9003_hw_setup_calibration(ah, currCal);
+			}
+		}
+	} else if (!(caldata->CalValid & currCal->calData->calType)) {
+		/* If current cal is marked invalid in channel, kick it off */
+		ath9k_hw_reset_calibration(ah, currCal);
+	}
+
+	return iscaldone;
+}
+
+static int ar9003_hw_calibrate(struct ath_hw *ah,
+				struct ath9k_channel *chan,
+				u8 rxchainmask,
+				int longcal)
+{
+	int iscaldone = 1;
+	struct ath9k_cal_list *currCal = ah->cal_list_curr;
+
+	/*
+	 * For given calibration:
+	 * 1. Call generic cal routine
+	 * 2. When this cal is done (isCalDone) if we have more cals waiting
+	 *    (eg after reset), mask this to upper layers by not propagating
+	 *    isCalDone if it is set to TRUE.
+	 *    Instead, change isCalDone to FALSE and setup the waiting cal(s)
+	 *    to be run.
+	 */
+	if (currCal &&
+	    (currCal->calState == CAL_RUNNING ||
+	     currCal->calState == CAL_WAITING)) {
+		iscaldone = ar9003_hw_per_calibration(ah, chan,
+						      rxchainmask, currCal);
+		if (iscaldone) {
+			ah->cal_list_curr = currCal = currCal->calNext;
+
+			if (currCal->calState == CAL_WAITING) {
+				iscaldone = 0;
+				ath9k_hw_reset_calibration(ah, currCal);
+			}
+		}
+	}
+
+	/* Do NF cal only at longer intervals */
+	if (longcal) {
+		/*
+		 * Get the value from the previous NF cal and update
+		 * history buffer.
+		 */
+		ath9k_hw_getnf(ah, chan);
+
+		/*
+		 * Load the NF from history buffer of the current channel.
+		 * NF is slow time-variant, so it is OK to use a historical
+		 * value.
+		 */
+		ath9k_hw_loadnf(ah, ah->curchan);
+
+		/* start NF calibration, without updating BB NF register */
+		ath9k_hw_start_nfcal(ah, 0);
+	}
+
+	return iscaldone;
+}
+
+static void ar9003_hw_iqcal_collect(struct ath_hw *ah)
+{
+	int i;
+
+	/* Accumulate IQ cal measures for active chains */
+	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
+		if (ah->txchainmask & BIT(i)) {
+			ah->totalPowerMeasI[i] +=
+				REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
+			ah->totalPowerMeasQ[i] +=
+				REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
+			ah->totalIqCorrMeas[i] +=
+				(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
+			DBG2("ath9k: "
+				"%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
+				ah->cal_samples, i, ah->totalPowerMeasI[i],
+				ah->totalPowerMeasQ[i],
+				ah->totalIqCorrMeas[i]);
+		}
+	}
+}
+
+static void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
+{
+	u32 powerMeasQ, powerMeasI, iqCorrMeas;
+	u32 qCoffDenom, iCoffDenom;
+	int32_t qCoff, iCoff;
+	int iqCorrNeg, i;
+	static const uint32_t offset_array[3] = {
+		AR_PHY_RX_IQCAL_CORR_B0,
+		AR_PHY_RX_IQCAL_CORR_B1,
+		AR_PHY_RX_IQCAL_CORR_B2,
+	};
+
+	for (i = 0; i < numChains; i++) {
+		powerMeasI = ah->totalPowerMeasI[i];
+		powerMeasQ = ah->totalPowerMeasQ[i];
+		iqCorrMeas = ah->totalIqCorrMeas[i];
+
+		DBG2("ath9k: "
+			"Starting IQ Cal and Correction for Chain %d\n",
+			i);
+
+		DBG2("ath9k: "
+			"Orignal: Chn %diq_corr_meas = 0x%08x\n",
+			i, ah->totalIqCorrMeas[i]);
+
+		iqCorrNeg = 0;
+
+		if (iqCorrMeas > 0x80000000) {
+			iqCorrMeas = (0xffffffff - iqCorrMeas) + 1;
+			iqCorrNeg = 1;
+		}
+
+		DBG2("ath9k: "
+			"Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
+		DBG2("ath9k: "
+			"Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
+		DBG2("ath9k: iqCorrNeg is 0x%08x\n",
+			iqCorrNeg);
+
+		iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 256;
+		qCoffDenom = powerMeasQ / 64;
+
+		if ((iCoffDenom != 0) && (qCoffDenom != 0)) {
+			iCoff = iqCorrMeas / iCoffDenom;
+			qCoff = powerMeasI / qCoffDenom - 64;
+			DBG2("ath9k: "
+				"Chn %d iCoff = 0x%08x\n", i, iCoff);
+			DBG2("ath9k: "
+				"Chn %d qCoff = 0x%08x\n", i, qCoff);
+
+			/* Force bounds on iCoff */
+			if (iCoff >= 63)
+				iCoff = 63;
+			else if (iCoff <= -63)
+				iCoff = -63;
+
+			/* Negate iCoff if iqCorrNeg == 0 */
+			if (iqCorrNeg == 0x0)
+				iCoff = -iCoff;
+
+			/* Force bounds on qCoff */
+			if (qCoff >= 63)
+				qCoff = 63;
+			else if (qCoff <= -63)
+				qCoff = -63;
+
+			iCoff = iCoff & 0x7f;
+			qCoff = qCoff & 0x7f;
+
+			DBG2("ath9k: "
+				"Chn %d : iCoff = 0x%x  qCoff = 0x%x\n",
+				i, iCoff, qCoff);
+			DBG2("ath9k: "
+				"Register offset (0x%04x) before update = 0x%x\n",
+				offset_array[i],
+				REG_READ(ah, offset_array[i]));
+
+			REG_RMW_FIELD(ah, offset_array[i],
+				      AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF,
+				      iCoff);
+			REG_RMW_FIELD(ah, offset_array[i],
+				      AR_PHY_RX_IQCAL_CORR_IQCORR_Q_Q_COFF,
+				      qCoff);
+			DBG2("ath9k: "
+				"Register offset (0x%04x) QI COFF (bitfields 0x%08x) after update = 0x%x\n",
+				offset_array[i],
+				AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF,
+				REG_READ(ah, offset_array[i]));
+			DBG2("ath9k: "
+				"Register offset (0x%04x) QQ COFF (bitfields 0x%08x) after update = 0x%x\n",
+				offset_array[i],
+				AR_PHY_RX_IQCAL_CORR_IQCORR_Q_Q_COFF,
+				REG_READ(ah, offset_array[i]));
+
+			DBG2("ath9k: "
+				"IQ Cal and Correction done for Chain %d\n", i);
+		}
+	}
+
+	REG_SET_BIT(ah, AR_PHY_RX_IQCAL_CORR_B0,
+		    AR_PHY_RX_IQCAL_CORR_IQCORR_ENABLE);
+	DBG2("ath9k: "
+		"IQ Cal and Correction (offset 0x%04x) enabled (bit position 0x%08x). New Value 0x%08x\n",
+		(unsigned) (AR_PHY_RX_IQCAL_CORR_B0),
+		AR_PHY_RX_IQCAL_CORR_IQCORR_ENABLE,
+		REG_READ(ah, AR_PHY_RX_IQCAL_CORR_B0));
+}
+
+static const struct ath9k_percal_data iq_cal_single_sample = {
+	IQ_MISMATCH_CAL,
+	MIN_CAL_SAMPLES,
+	PER_MAX_LOG_COUNT,
+	ar9003_hw_iqcal_collect,
+	ar9003_hw_iqcalibrate
+};
+
+static void ar9003_hw_init_cal_settings(struct ath_hw *ah)
+{
+	ah->iq_caldata.calData = &iq_cal_single_sample;
+}
+
+/*
+ * solve 4x4 linear equation used in loopback iq cal.
+ */
+static int ar9003_hw_solve_iq_cal(struct ath_hw *ah __unused,
+				   s32 sin_2phi_1,
+				   s32 cos_2phi_1,
+				   s32 sin_2phi_2,
+				   s32 cos_2phi_2,
+				   s32 mag_a0_d0,
+				   s32 phs_a0_d0,
+				   s32 mag_a1_d0,
+				   s32 phs_a1_d0,
+				   s32 solved_eq[])
+{
+	s32 f1 = cos_2phi_1 - cos_2phi_2,
+	    f3 = sin_2phi_1 - sin_2phi_2,
+	    f2;
+	s32 mag_tx, phs_tx, mag_rx, phs_rx;
+	const s32 result_shift = 1 << 15;
+
+	f2 = (f1 * f1 + f3 * f3) / result_shift;
+
+	if (!f2) {
+		DBG("ath9k: Divide by 0\n");
+		return 0;
+	}
+
+	/* mag mismatch, tx */
+	mag_tx = f1 * (mag_a0_d0  - mag_a1_d0) + f3 * (phs_a0_d0 - phs_a1_d0);
+	/* phs mismatch, tx */
+	phs_tx = f3 * (-mag_a0_d0 + mag_a1_d0) + f1 * (phs_a0_d0 - phs_a1_d0);
+
+	mag_tx = (mag_tx / f2);
+	phs_tx = (phs_tx / f2);
+
+	/* mag mismatch, rx */
+	mag_rx = mag_a0_d0 - (cos_2phi_1 * mag_tx + sin_2phi_1 * phs_tx) /
+		 result_shift;
+	/* phs mismatch, rx */
+	phs_rx = phs_a0_d0 + (sin_2phi_1 * mag_tx - cos_2phi_1 * phs_tx) /
+		 result_shift;
+
+	solved_eq[0] = mag_tx;
+	solved_eq[1] = phs_tx;
+	solved_eq[2] = mag_rx;
+	solved_eq[3] = phs_rx;
+
+	return 1;
+}
+
+static s32 ar9003_hw_find_mag_approx(struct ath_hw *ah __unused, s32 in_re, s32 in_im)
+{
+	s32 abs_i = abs(in_re),
+	    abs_q = abs(in_im),
+	    max_abs, min_abs;
+
+	if (abs_i > abs_q) {
+		max_abs = abs_i;
+		min_abs = abs_q;
+	} else {
+		max_abs = abs_q;
+		min_abs = abs_i;
+	}
+
+	return max_abs - (max_abs / 32) + (min_abs / 8) + (min_abs / 4);
+}
+
+#define DELPT 32
+
+static int ar9003_hw_calc_iq_corr(struct ath_hw *ah,
+				   s32 chain_idx,
+				   const s32 iq_res[],
+				   s32 iqc_coeff[])
+{
+	s32 i2_m_q2_a0_d0, i2_p_q2_a0_d0, iq_corr_a0_d0,
+	    i2_m_q2_a0_d1, i2_p_q2_a0_d1, iq_corr_a0_d1,
+	    i2_m_q2_a1_d0, i2_p_q2_a1_d0, iq_corr_a1_d0,
+	    i2_m_q2_a1_d1, i2_p_q2_a1_d1, iq_corr_a1_d1;
+	s32 mag_a0_d0, mag_a1_d0, mag_a0_d1, mag_a1_d1,
+	    phs_a0_d0, phs_a1_d0, phs_a0_d1, phs_a1_d1,
+	    sin_2phi_1, cos_2phi_1,
+	    sin_2phi_2, cos_2phi_2;
+	s32 mag_tx, phs_tx, mag_rx, phs_rx;
+	s32 solved_eq[4], mag_corr_tx, phs_corr_tx, mag_corr_rx, phs_corr_rx,
+	    q_q_coff, q_i_coff;
+	const s32 res_scale = 1 << 15;
+	const s32 delpt_shift = 1 << 8;
+	s32 mag1, mag2;
+
+	i2_m_q2_a0_d0 = iq_res[0] & 0xfff;
+	i2_p_q2_a0_d0 = (iq_res[0] >> 12) & 0xfff;
+	iq_corr_a0_d0 = ((iq_res[0] >> 24) & 0xff) + ((iq_res[1] & 0xf) << 8);
+
+	if (i2_m_q2_a0_d0 > 0x800)
+		i2_m_q2_a0_d0 = -((0xfff - i2_m_q2_a0_d0) + 1);
+
+	if (i2_p_q2_a0_d0 > 0x800)
+		i2_p_q2_a0_d0 = -((0xfff - i2_p_q2_a0_d0) + 1);
+
+	if (iq_corr_a0_d0 > 0x800)
+		iq_corr_a0_d0 = -((0xfff - iq_corr_a0_d0) + 1);
+
+	i2_m_q2_a0_d1 = (iq_res[1] >> 4) & 0xfff;
+	i2_p_q2_a0_d1 = (iq_res[2] & 0xfff);
+	iq_corr_a0_d1 = (iq_res[2] >> 12) & 0xfff;
+
+	if (i2_m_q2_a0_d1 > 0x800)
+		i2_m_q2_a0_d1 = -((0xfff - i2_m_q2_a0_d1) + 1);
+
+	if (i2_p_q2_a0_d1 > 0x800)
+		i2_p_q2_a0_d1 = -((0xfff - i2_p_q2_a0_d1) + 1);
+
+	if (iq_corr_a0_d1 > 0x800)
+		iq_corr_a0_d1 = -((0xfff - iq_corr_a0_d1) + 1);
+
+	i2_m_q2_a1_d0 = ((iq_res[2] >> 24) & 0xff) + ((iq_res[3] & 0xf) << 8);
+	i2_p_q2_a1_d0 = (iq_res[3] >> 4) & 0xfff;
+	iq_corr_a1_d0 = iq_res[4] & 0xfff;
+
+	if (i2_m_q2_a1_d0 > 0x800)
+		i2_m_q2_a1_d0 = -((0xfff - i2_m_q2_a1_d0) + 1);
+
+	if (i2_p_q2_a1_d0 > 0x800)
+		i2_p_q2_a1_d0 = -((0xfff - i2_p_q2_a1_d0) + 1);
+
+	if (iq_corr_a1_d0 > 0x800)
+		iq_corr_a1_d0 = -((0xfff - iq_corr_a1_d0) + 1);
+
+	i2_m_q2_a1_d1 = (iq_res[4] >> 12) & 0xfff;
+	i2_p_q2_a1_d1 = ((iq_res[4] >> 24) & 0xff) + ((iq_res[5] & 0xf) << 8);
+	iq_corr_a1_d1 = (iq_res[5] >> 4) & 0xfff;
+
+	if (i2_m_q2_a1_d1 > 0x800)
+		i2_m_q2_a1_d1 = -((0xfff - i2_m_q2_a1_d1) + 1);
+
+	if (i2_p_q2_a1_d1 > 0x800)
+		i2_p_q2_a1_d1 = -((0xfff - i2_p_q2_a1_d1) + 1);
+
+	if (iq_corr_a1_d1 > 0x800)
+		iq_corr_a1_d1 = -((0xfff - iq_corr_a1_d1) + 1);
+
+	if ((i2_p_q2_a0_d0 == 0) || (i2_p_q2_a0_d1 == 0) ||
+	    (i2_p_q2_a1_d0 == 0) || (i2_p_q2_a1_d1 == 0)) {
+		DBG("ath9k: "
+			"Divide by 0:\n"
+			"a0_d0=%d\n"
+			"a0_d1=%d\n"
+			"a2_d0=%d\n"
+			"a1_d1=%d\n",
+			i2_p_q2_a0_d0, i2_p_q2_a0_d1,
+			i2_p_q2_a1_d0, i2_p_q2_a1_d1);
+		return 0;
+	}
+
+	mag_a0_d0 = (i2_m_q2_a0_d0 * res_scale) / i2_p_q2_a0_d0;
+	phs_a0_d0 = (iq_corr_a0_d0 * res_scale) / i2_p_q2_a0_d0;
+
+	mag_a0_d1 = (i2_m_q2_a0_d1 * res_scale) / i2_p_q2_a0_d1;
+	phs_a0_d1 = (iq_corr_a0_d1 * res_scale) / i2_p_q2_a0_d1;
+
+	mag_a1_d0 = (i2_m_q2_a1_d0 * res_scale) / i2_p_q2_a1_d0;
+	phs_a1_d0 = (iq_corr_a1_d0 * res_scale) / i2_p_q2_a1_d0;
+
+	mag_a1_d1 = (i2_m_q2_a1_d1 * res_scale) / i2_p_q2_a1_d1;
+	phs_a1_d1 = (iq_corr_a1_d1 * res_scale) / i2_p_q2_a1_d1;
+
+	/* w/o analog phase shift */
+	sin_2phi_1 = (((mag_a0_d0 - mag_a0_d1) * delpt_shift) / DELPT);
+	/* w/o analog phase shift */
+	cos_2phi_1 = (((phs_a0_d1 - phs_a0_d0) * delpt_shift) / DELPT);
+	/* w/  analog phase shift */
+	sin_2phi_2 = (((mag_a1_d0 - mag_a1_d1) * delpt_shift) / DELPT);
+	/* w/  analog phase shift */
+	cos_2phi_2 = (((phs_a1_d1 - phs_a1_d0) * delpt_shift) / DELPT);
+
+	/*
+	 * force sin^2 + cos^2 = 1;
+	 * find magnitude by approximation
+	 */
+	mag1 = ar9003_hw_find_mag_approx(ah, cos_2phi_1, sin_2phi_1);
+	mag2 = ar9003_hw_find_mag_approx(ah, cos_2phi_2, sin_2phi_2);
+
+	if ((mag1 == 0) || (mag2 == 0)) {
+		DBG("ath9k: "
+			"Divide by 0: mag1=%d, mag2=%d\n",
+			mag1, mag2);
+		return 0;
+	}
+
+	/* normalization sin and cos by mag */
+	sin_2phi_1 = (sin_2phi_1 * res_scale / mag1);
+	cos_2phi_1 = (cos_2phi_1 * res_scale / mag1);
+	sin_2phi_2 = (sin_2phi_2 * res_scale / mag2);
+	cos_2phi_2 = (cos_2phi_2 * res_scale / mag2);
+
+	/* calculate IQ mismatch */
+	if (!ar9003_hw_solve_iq_cal(ah,
+			     sin_2phi_1, cos_2phi_1,
+			     sin_2phi_2, cos_2phi_2,
+			     mag_a0_d0, phs_a0_d0,
+			     mag_a1_d0,
+			     phs_a1_d0, solved_eq)) {
+		DBG("ath9k: "
+			"Call to ar9003_hw_solve_iq_cal() failed.\n");
+		return 0;
+	}
+
+	mag_tx = solved_eq[0];
+	phs_tx = solved_eq[1];
+	mag_rx = solved_eq[2];
+	phs_rx = solved_eq[3];
+
+	DBG2("ath9k: "
+		"chain %d: mag mismatch=%d phase mismatch=%d\n",
+		chain_idx, mag_tx/res_scale, phs_tx/res_scale);
+
+	if (res_scale == mag_tx) {
+		DBG("ath9k: "
+			"Divide by 0: mag_tx=%d, res_scale=%d\n",
+			mag_tx, res_scale);
+		return 0;
+	}
+
+	/* calculate and quantize Tx IQ correction factor */
+	mag_corr_tx = (mag_tx * res_scale) / (res_scale - mag_tx);
+	phs_corr_tx = -phs_tx;
+
+	q_q_coff = (mag_corr_tx * 128 / res_scale);
+	q_i_coff = (phs_corr_tx * 256 / res_scale);
+
+	DBG2("ath9k: "
+		"tx chain %d: mag corr=%d  phase corr=%d\n",
+		chain_idx, q_q_coff, q_i_coff);
+
+	if (q_i_coff < -63)
+		q_i_coff = -63;
+	if (q_i_coff > 63)
+		q_i_coff = 63;
+	if (q_q_coff < -63)
+		q_q_coff = -63;
+	if (q_q_coff > 63)
+		q_q_coff = 63;
+
+	iqc_coeff[0] = (q_q_coff * 128) + q_i_coff;
+
+	DBG2("ath9k: "
+		"tx chain %d: iq corr coeff=%x\n",
+		chain_idx, iqc_coeff[0]);
+
+	if (-mag_rx == res_scale) {
+		DBG("ath9k: "
+			"Divide by 0: mag_rx=%d, res_scale=%d\n",
+			mag_rx, res_scale);
+		return 0;
+	}
+
+	/* calculate and quantize Rx IQ correction factors */
+	mag_corr_rx = (-mag_rx * res_scale) / (res_scale + mag_rx);
+	phs_corr_rx = -phs_rx;
+
+	q_q_coff = (mag_corr_rx * 128 / res_scale);
+	q_i_coff = (phs_corr_rx * 256 / res_scale);
+
+	DBG("ath9k: "
+		"rx chain %d: mag corr=%d  phase corr=%d\n",
+		chain_idx, q_q_coff, q_i_coff);
+
+	if (q_i_coff < -63)
+		q_i_coff = -63;
+	if (q_i_coff > 63)
+		q_i_coff = 63;
+	if (q_q_coff < -63)
+		q_q_coff = -63;
+	if (q_q_coff > 63)
+		q_q_coff = 63;
+
+	iqc_coeff[1] = (q_q_coff * 128) + q_i_coff;
+
+	DBG2("ath9k: "
+		"rx chain %d: iq corr coeff=%x\n",
+		chain_idx, iqc_coeff[1]);
+
+	return 1;
+}
+
+static void ar9003_hw_detect_outlier(int *mp_coeff, int nmeasurement,
+				     int max_delta)
+{
+	int mp_max = -64, max_idx = 0;
+	int mp_min = 63, min_idx = 0;
+	int mp_avg = 0, i, outlier_idx = 0;
+
+	/* find min/max mismatch across all calibrated gains */
+	for (i = 0; i < nmeasurement; i++) {
+		mp_avg += mp_coeff[i];
+		if (mp_coeff[i] > mp_max) {
+			mp_max = mp_coeff[i];
+			max_idx = i;
+		} else if (mp_coeff[i] < mp_min) {
+			mp_min = mp_coeff[i];
+			min_idx = i;
+		}
+	}
+
+	/* find average (exclude max abs value) */
+	for (i = 0; i < nmeasurement; i++) {
+		if ((abs(mp_coeff[i]) < abs(mp_max)) ||
+		    (abs(mp_coeff[i]) < abs(mp_min)))
+			mp_avg += mp_coeff[i];
+	}
+	mp_avg /= (nmeasurement - 1);
+
+	/* detect outlier */
+	if (abs(mp_max - mp_min) > max_delta) {
+		if (abs(mp_max - mp_avg) > abs(mp_min - mp_avg))
+			outlier_idx = max_idx;
+		else
+			outlier_idx = min_idx;
+	}
+	mp_coeff[outlier_idx] = mp_avg;
+}
+
+static void ar9003_hw_tx_iqcal_load_avg_2_passes(struct ath_hw *ah,
+						 u8 num_chains,
+						 struct coeff *coeff)
+{
+	int i, im, nmeasurement;
+	u32 tx_corr_coeff[MAX_MEASUREMENT][AR9300_MAX_CHAINS];
+
+	memset(tx_corr_coeff, 0, sizeof(tx_corr_coeff));
+	for (i = 0; i < MAX_MEASUREMENT / 2; i++) {
+		tx_corr_coeff[i * 2][0] = tx_corr_coeff[(i * 2) + 1][0] =
+					AR_PHY_TX_IQCAL_CORR_COEFF_B0(i);
+		if (!AR_SREV_9485(ah)) {
+			tx_corr_coeff[i * 2][1] =
+			tx_corr_coeff[(i * 2) + 1][1] =
+					AR_PHY_TX_IQCAL_CORR_COEFF_B1(i);
+
+			tx_corr_coeff[i * 2][2] =
+			tx_corr_coeff[(i * 2) + 1][2] =
+					AR_PHY_TX_IQCAL_CORR_COEFF_B2(i);
+		}
+	}
+
+	/* Load the average of 2 passes */
+	for (i = 0; i < num_chains; i++) {
+		nmeasurement = REG_READ_FIELD(ah,
+				AR_PHY_TX_IQCAL_STATUS_B0,
+				AR_PHY_CALIBRATED_GAINS_0);
+
+		if (nmeasurement > MAX_MEASUREMENT)
+			nmeasurement = MAX_MEASUREMENT;
+
+		/* detect outlier only if nmeasurement > 1 */
+		if (nmeasurement > 1) {
+			/* Detect magnitude outlier */
+			ar9003_hw_detect_outlier(coeff->mag_coeff[i],
+					nmeasurement, MAX_MAG_DELTA);
+
+			/* Detect phase outlier */
+			ar9003_hw_detect_outlier(coeff->phs_coeff[i],
+					nmeasurement, MAX_PHS_DELTA);
+		}
+
+		for (im = 0; im < nmeasurement; im++) {
+
+			coeff->iqc_coeff[0] = (coeff->mag_coeff[i][im] & 0x7f) |
+				((coeff->phs_coeff[i][im] & 0x7f) << 7);
+
+			if ((im % 2) == 0)
+				REG_RMW_FIELD(ah, tx_corr_coeff[im][i],
+					AR_PHY_TX_IQCAL_CORR_COEFF_00_COEFF_TABLE,
+					coeff->iqc_coeff[0]);
+			else
+				REG_RMW_FIELD(ah, tx_corr_coeff[im][i],
+					AR_PHY_TX_IQCAL_CORR_COEFF_01_COEFF_TABLE,
+					coeff->iqc_coeff[0]);
+		}
+	}
+
+	REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_3,
+		      AR_PHY_TX_IQCAL_CONTROL_3_IQCORR_EN, 0x1);
+	REG_RMW_FIELD(ah, AR_PHY_RX_IQCAL_CORR_B0,
+		      AR_PHY_RX_IQCAL_CORR_B0_LOOPBACK_IQCORR_EN, 0x1);
+
+	return;
+
+}
+
+static int ar9003_hw_tx_iq_cal_run(struct ath_hw *ah)
+{
+	u8 tx_gain_forced;
+
+	tx_gain_forced = REG_READ_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+					AR_PHY_TXGAIN_FORCE);
+	if (tx_gain_forced)
+		REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+			      AR_PHY_TXGAIN_FORCE, 0);
+
+	REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_START,
+		      AR_PHY_TX_IQCAL_START_DO_CAL, 1);
+
+	if (!ath9k_hw_wait(ah, AR_PHY_TX_IQCAL_START,
+			AR_PHY_TX_IQCAL_START_DO_CAL, 0,
+			AH_WAIT_TIMEOUT)) {
+		DBG2("ath9k: "
+			"Tx IQ Cal is not completed.\n");
+		return 0;
+	}
+	return 1;
+}
+
+static void ar9003_hw_tx_iq_cal_post_proc(struct ath_hw *ah)
+{
+	const u32 txiqcal_status[AR9300_MAX_CHAINS] = {
+		AR_PHY_TX_IQCAL_STATUS_B0,
+		AR_PHY_TX_IQCAL_STATUS_B1,
+		AR_PHY_TX_IQCAL_STATUS_B2,
+	};
+	const uint32_t chan_info_tab[] = {
+		AR_PHY_CHAN_INFO_TAB_0,
+		AR_PHY_CHAN_INFO_TAB_1,
+		AR_PHY_CHAN_INFO_TAB_2,
+	};
+	struct coeff coeff;
+	s32 iq_res[6];
+	u8 num_chains = 0;
+	int i, im, j;
+	int nmeasurement;
+
+	for (i = 0; i < AR9300_MAX_CHAINS; i++) {
+		if (ah->txchainmask & (1 << i))
+			num_chains++;
+	}
+
+	for (i = 0; i < num_chains; i++) {
+		nmeasurement = REG_READ_FIELD(ah,
+				AR_PHY_TX_IQCAL_STATUS_B0,
+				AR_PHY_CALIBRATED_GAINS_0);
+		if (nmeasurement > MAX_MEASUREMENT)
+			nmeasurement = MAX_MEASUREMENT;
+
+		for (im = 0; im < nmeasurement; im++) {
+			DBG2("ath9k: "
+				"Doing Tx IQ Cal for chain %d.\n", i);
+
+			if (REG_READ(ah, txiqcal_status[i]) &
+					AR_PHY_TX_IQCAL_STATUS_FAILED) {
+				DBG("ath9k: "
+					"Tx IQ Cal failed for chain %d.\n", i);
+				goto tx_iqcal_fail;
+			}
+
+			for (j = 0; j < 3; j++) {
+				u32 idx = 2 * j, offset = 4 * (3 * im + j);
+
+				REG_RMW_FIELD(ah,
+						AR_PHY_CHAN_INFO_MEMORY,
+						AR_PHY_CHAN_INFO_TAB_S2_READ,
+						0);
+
+				/* 32 bits */
+				iq_res[idx] = REG_READ(ah,
+						chan_info_tab[i] +
+						offset);
+
+				REG_RMW_FIELD(ah,
+						AR_PHY_CHAN_INFO_MEMORY,
+						AR_PHY_CHAN_INFO_TAB_S2_READ,
+						1);
+
+				/* 16 bits */
+				iq_res[idx + 1] = 0xffff & REG_READ(ah,
+						chan_info_tab[i] + offset);
+
+				DBG2("ath9k: "
+					"IQ RES[%d]=0x%x"
+					"IQ_RES[%d]=0x%x\n",
+					idx, iq_res[idx], idx + 1,
+					iq_res[idx + 1]);
+			}
+
+			if (!ar9003_hw_calc_iq_corr(ah, i, iq_res,
+						coeff.iqc_coeff)) {
+				DBG("ath9k: "
+					"Failed in calculation of \
+					IQ correction.\n");
+				goto tx_iqcal_fail;
+			}
+
+			coeff.mag_coeff[i][im] = coeff.iqc_coeff[0] & 0x7f;
+			coeff.phs_coeff[i][im] =
+				(coeff.iqc_coeff[0] >> 7) & 0x7f;
+
+			if (coeff.mag_coeff[i][im] > 63)
+				coeff.mag_coeff[i][im] -= 128;
+			if (coeff.phs_coeff[i][im] > 63)
+				coeff.phs_coeff[i][im] -= 128;
+		}
+	}
+	ar9003_hw_tx_iqcal_load_avg_2_passes(ah, num_chains, &coeff);
+
+	return;
+
+tx_iqcal_fail:
+	DBG("ath9k: Tx IQ Cal failed\n");
+	return;
+}
+static int ar9003_hw_init_cal(struct ath_hw *ah,
+			       struct ath9k_channel *chan __unused)
+{
+	struct ath9k_hw_capabilities *pCap = &ah->caps;
+	int val;
+	int txiqcal_done = 0;
+
+	val = REG_READ(ah, AR_ENT_OTP);
+	DBG2("ath9k: ath9k: AR_ENT_OTP 0x%x\n", val);
+
+	/* Configure rx/tx chains before running AGC/TxiQ cals */
+	if (val & AR_ENT_OTP_CHAIN2_DISABLE)
+		ar9003_hw_set_chain_masks(ah, 0x3, 0x3);
+	else
+		ar9003_hw_set_chain_masks(ah, pCap->rx_chainmask,
+					  pCap->tx_chainmask);
+
+	/* Do Tx IQ Calibration */
+	REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1,
+		      AR_PHY_TX_IQCAL_CONTROL_1_IQCORR_I_Q_COFF_DELPT,
+		      DELPT);
+
+	/*
+	 * For AR9485 or later chips, TxIQ cal runs as part of
+	 * AGC calibration
+	 */
+	if (AR_SREV_9485_OR_LATER(ah))
+		txiqcal_done = 1;
+	else {
+		txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
+		REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
+		udelay(5);
+		REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
+	}
+
+	/* Calibrate the AGC */
+	REG_WRITE(ah, AR_PHY_AGC_CONTROL,
+		  REG_READ(ah, AR_PHY_AGC_CONTROL) |
+		  AR_PHY_AGC_CONTROL_CAL);
+
+	/* Poll for offset calibration complete */
+	if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
+			   0, AH_WAIT_TIMEOUT)) {
+		DBG("ath9k: "
+			"offset calibration failed to complete in 1ms; noisy environment?\n");
+		return 0;
+	}
+
+	if (txiqcal_done)
+		ar9003_hw_tx_iq_cal_post_proc(ah);
+
+	/* Revert chainmasks to their original values before NF cal */
+	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
+
+	ath9k_hw_start_nfcal(ah, 1);
+
+	/* Initialize list pointers */
+	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
+	ah->supp_cals = IQ_MISMATCH_CAL;
+
+	if (ah->supp_cals & IQ_MISMATCH_CAL) {
+		INIT_CAL(&ah->iq_caldata);
+		INSERT_CAL(ah, &ah->iq_caldata);
+		DBG2("ath9k: "
+			"enabling IQ Calibration.\n");
+	}
+
+	if (ah->supp_cals & TEMP_COMP_CAL) {
+		INIT_CAL(&ah->tempCompCalData);
+		INSERT_CAL(ah, &ah->tempCompCalData);
+		DBG2("ath9k: "
+			"enabling Temperature Compensation Calibration.\n");
+	}
+
+	/* Initialize current pointer to first element in list */
+	ah->cal_list_curr = ah->cal_list;
+
+	if (ah->cal_list_curr)
+		ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
+
+	if (ah->caldata)
+		ah->caldata->CalValid = 0;
+
+	return 1;
+}
+
+void ar9003_hw_attach_calib_ops(struct ath_hw *ah)
+{
+	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+	struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
+	priv_ops->init_cal_settings = ar9003_hw_init_cal_settings;
+	priv_ops->init_cal = ar9003_hw_init_cal;
+	priv_ops->setup_calibration = ar9003_hw_setup_calibration;
+
+	ops->calibrate = ar9003_hw_calibrate;
+}

src/drivers/net/ath/ath9k/ath9k_ar9003_hw.c

@@ -0,0 +1,409 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "hw.h"
+#include "ar9003_mac.h"
+#include "ar9003_2p2_initvals.h"
+#include "ar9485_initvals.h"
+#include "ar9340_initvals.h"
+
+/* General hardware code for the AR9003 hadware family */
+
+/*
+ * The AR9003 family uses a new INI format (pre, core, post
+ * arrays per subsystem). This provides support for the
+ * AR9003 2.2 chipsets.
+ */
+static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
+{
+	if (AR_SREV_9340(ah)) {
+		/* mac */
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_CORE],
+				ar9340_1p0_mac_core,
+				ARRAY_SIZE(ar9340_1p0_mac_core), 2);
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_POST],
+				ar9340_1p0_mac_postamble,
+				ARRAY_SIZE(ar9340_1p0_mac_postamble), 5);
+
+		/* bb */
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_PRE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_CORE],
+				ar9340_1p0_baseband_core,
+				ARRAY_SIZE(ar9340_1p0_baseband_core), 2);
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_POST],
+				ar9340_1p0_baseband_postamble,
+				ARRAY_SIZE(ar9340_1p0_baseband_postamble), 5);
+
+		/* radio */
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_PRE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_CORE],
+				ar9340_1p0_radio_core,
+				ARRAY_SIZE(ar9340_1p0_radio_core), 2);
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_POST],
+				ar9340_1p0_radio_postamble,
+				ARRAY_SIZE(ar9340_1p0_radio_postamble), 5);
+
+		/* soc */
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_PRE],
+				ar9340_1p0_soc_preamble,
+				ARRAY_SIZE(ar9340_1p0_soc_preamble), 2);
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_CORE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_POST],
+				ar9340_1p0_soc_postamble,
+				ARRAY_SIZE(ar9340_1p0_soc_postamble), 5);
+
+		/* rx/tx gain */
+		INIT_INI_ARRAY(&ah->iniModesRxGain,
+				ar9340Common_wo_xlna_rx_gain_table_1p0,
+				ARRAY_SIZE(ar9340Common_wo_xlna_rx_gain_table_1p0),
+				5);
+		INIT_INI_ARRAY(&ah->iniModesTxGain,
+				ar9340Modes_high_ob_db_tx_gain_table_1p0,
+				ARRAY_SIZE(ar9340Modes_high_ob_db_tx_gain_table_1p0),
+				5);
+
+		INIT_INI_ARRAY(&ah->iniModesAdditional,
+				ar9340Modes_fast_clock_1p0,
+				ARRAY_SIZE(ar9340Modes_fast_clock_1p0),
+				3);
+
+		INIT_INI_ARRAY(&ah->iniModesAdditional_40M,
+				ar9340_1p0_radio_core_40M,
+				ARRAY_SIZE(ar9340_1p0_radio_core_40M),
+				2);
+	} else if (AR_SREV_9485_11(ah)) {
+		/* mac */
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_CORE],
+				ar9485_1_1_mac_core,
+				ARRAY_SIZE(ar9485_1_1_mac_core), 2);
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_POST],
+				ar9485_1_1_mac_postamble,
+				ARRAY_SIZE(ar9485_1_1_mac_postamble), 5);
+
+		/* bb */
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_PRE], ar9485_1_1,
+				ARRAY_SIZE(ar9485_1_1), 2);
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_CORE],
+				ar9485_1_1_baseband_core,
+				ARRAY_SIZE(ar9485_1_1_baseband_core), 2);
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_POST],
+				ar9485_1_1_baseband_postamble,
+				ARRAY_SIZE(ar9485_1_1_baseband_postamble), 5);
+
+		/* radio */
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_PRE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_CORE],
+				ar9485_1_1_radio_core,
+				ARRAY_SIZE(ar9485_1_1_radio_core), 2);
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_POST],
+				ar9485_1_1_radio_postamble,
+				ARRAY_SIZE(ar9485_1_1_radio_postamble), 2);
+
+		/* soc */
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_PRE],
+				ar9485_1_1_soc_preamble,
+				ARRAY_SIZE(ar9485_1_1_soc_preamble), 2);
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_CORE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_POST], NULL, 0, 0);
+
+		/* rx/tx gain */
+		INIT_INI_ARRAY(&ah->iniModesRxGain,
+				ar9485Common_wo_xlna_rx_gain_1_1,
+				ARRAY_SIZE(ar9485Common_wo_xlna_rx_gain_1_1), 2);
+		INIT_INI_ARRAY(&ah->iniModesTxGain,
+				ar9485_modes_lowest_ob_db_tx_gain_1_1,
+				ARRAY_SIZE(ar9485_modes_lowest_ob_db_tx_gain_1_1),
+				5);
+
+		/* Load PCIE SERDES settings from INI */
+
+		/* Awake Setting */
+
+		INIT_INI_ARRAY(&ah->iniPcieSerdes,
+				ar9485_1_1_pcie_phy_clkreq_disable_L1,
+				ARRAY_SIZE(ar9485_1_1_pcie_phy_clkreq_disable_L1),
+				2);
+
+		/* Sleep Setting */
+
+		INIT_INI_ARRAY(&ah->iniPcieSerdesLowPower,
+				ar9485_1_1_pcie_phy_clkreq_disable_L1,
+				ARRAY_SIZE(ar9485_1_1_pcie_phy_clkreq_disable_L1),
+				2);
+	} else {
+		/* mac */
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_PRE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_CORE],
+				ar9300_2p2_mac_core,
+				ARRAY_SIZE(ar9300_2p2_mac_core), 2);
+		INIT_INI_ARRAY(&ah->iniMac[ATH_INI_POST],
+				ar9300_2p2_mac_postamble,
+				ARRAY_SIZE(ar9300_2p2_mac_postamble), 5);
+
+		/* bb */
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_PRE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_CORE],
+				ar9300_2p2_baseband_core,
+				ARRAY_SIZE(ar9300_2p2_baseband_core), 2);
+		INIT_INI_ARRAY(&ah->iniBB[ATH_INI_POST],
+				ar9300_2p2_baseband_postamble,
+				ARRAY_SIZE(ar9300_2p2_baseband_postamble), 5);
+
+		/* radio */
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_PRE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_CORE],
+				ar9300_2p2_radio_core,
+				ARRAY_SIZE(ar9300_2p2_radio_core), 2);
+		INIT_INI_ARRAY(&ah->iniRadio[ATH_INI_POST],
+				ar9300_2p2_radio_postamble,
+				ARRAY_SIZE(ar9300_2p2_radio_postamble), 5);
+
+		/* soc */
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_PRE],
+				ar9300_2p2_soc_preamble,
+				ARRAY_SIZE(ar9300_2p2_soc_preamble), 2);
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_CORE], NULL, 0, 0);
+		INIT_INI_ARRAY(&ah->iniSOC[ATH_INI_POST],
+				ar9300_2p2_soc_postamble,
+				ARRAY_SIZE(ar9300_2p2_soc_postamble), 5);
+
+		/* rx/tx gain */
+		INIT_INI_ARRAY(&ah->iniModesRxGain,
+				ar9300Common_rx_gain_table_2p2,
+				ARRAY_SIZE(ar9300Common_rx_gain_table_2p2), 2);
+		INIT_INI_ARRAY(&ah->iniModesTxGain,
+				ar9300Modes_lowest_ob_db_tx_gain_table_2p2,
+				ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p2),
+				5);
+
+		/* Load PCIE SERDES settings from INI */
+
+		/* Awake Setting */
+
+		INIT_INI_ARRAY(&ah->iniPcieSerdes,
+				ar9300PciePhy_pll_on_clkreq_disable_L1_2p2,
+				ARRAY_SIZE(ar9300PciePhy_pll_on_clkreq_disable_L1_2p2),
+				2);
+
+		/* Sleep Setting */
+
+		INIT_INI_ARRAY(&ah->iniPcieSerdesLowPower,
+				ar9300PciePhy_pll_on_clkreq_disable_L1_2p2,
+				ARRAY_SIZE(ar9300PciePhy_pll_on_clkreq_disable_L1_2p2),
+				2);
+
+		/* Fast clock modal settings */
+		INIT_INI_ARRAY(&ah->iniModesAdditional,
+				ar9300Modes_fast_clock_2p2,
+				ARRAY_SIZE(ar9300Modes_fast_clock_2p2),
+				3);
+	}
+}
+
+static void ar9003_tx_gain_table_apply(struct ath_hw *ah)
+{
+	switch (ar9003_hw_get_tx_gain_idx(ah)) {
+	case 0:
+	default:
+		if (AR_SREV_9340(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+					ar9340Modes_lowest_ob_db_tx_gain_table_1p0,
+				       ARRAY_SIZE(ar9340Modes_lowest_ob_db_tx_gain_table_1p0),
+				       5);
+		else if (AR_SREV_9485_11(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9485_modes_lowest_ob_db_tx_gain_1_1,
+				       ARRAY_SIZE(ar9485_modes_lowest_ob_db_tx_gain_1_1),
+				       5);
+		else
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_lowest_ob_db_tx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p2),
+				       5);
+		break;
+	case 1:
+		if (AR_SREV_9340(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+					ar9340Modes_lowest_ob_db_tx_gain_table_1p0,
+				       ARRAY_SIZE(ar9340Modes_lowest_ob_db_tx_gain_table_1p0),
+				       5);
+		else if (AR_SREV_9485_11(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9485Modes_high_ob_db_tx_gain_1_1,
+				       ARRAY_SIZE(ar9485Modes_high_ob_db_tx_gain_1_1),
+				       5);
+		else
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_high_ob_db_tx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Modes_high_ob_db_tx_gain_table_2p2),
+				       5);
+		break;
+	case 2:
+		if (AR_SREV_9340(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+					ar9340Modes_lowest_ob_db_tx_gain_table_1p0,
+				       ARRAY_SIZE(ar9340Modes_lowest_ob_db_tx_gain_table_1p0),
+				       5);
+		else if (AR_SREV_9485_11(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9485Modes_low_ob_db_tx_gain_1_1,
+				       ARRAY_SIZE(ar9485Modes_low_ob_db_tx_gain_1_1),
+				       5);
+		else
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_low_ob_db_tx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Modes_low_ob_db_tx_gain_table_2p2),
+				       5);
+		break;
+	case 3:
+		if (AR_SREV_9340(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+					ar9340Modes_lowest_ob_db_tx_gain_table_1p0,
+				       ARRAY_SIZE(ar9340Modes_lowest_ob_db_tx_gain_table_1p0),
+				       5);
+		else if (AR_SREV_9485_11(ah))
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9485Modes_high_power_tx_gain_1_1,
+				       ARRAY_SIZE(ar9485Modes_high_power_tx_gain_1_1),
+				       5);
+		else
+			INIT_INI_ARRAY(&ah->iniModesTxGain,
+				       ar9300Modes_high_power_tx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Modes_high_power_tx_gain_table_2p2),
+				       5);
+		break;
+	}
+}
+
+static void ar9003_rx_gain_table_apply(struct ath_hw *ah)
+{
+	switch (ar9003_hw_get_rx_gain_idx(ah)) {
+	case 0:
+	default:
+		if (AR_SREV_9340(ah))
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9340Common_rx_gain_table_1p0,
+				       ARRAY_SIZE(ar9340Common_rx_gain_table_1p0),
+				       2);
+		else if (AR_SREV_9485_11(ah))
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9485Common_wo_xlna_rx_gain_1_1,
+				       ARRAY_SIZE(ar9485Common_wo_xlna_rx_gain_1_1),
+				       2);
+		else
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9300Common_rx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Common_rx_gain_table_2p2),
+				       2);
+		break;
+	case 1:
+		if (AR_SREV_9340(ah))
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9340Common_wo_xlna_rx_gain_table_1p0,
+				       ARRAY_SIZE(ar9340Common_wo_xlna_rx_gain_table_1p0),
+				       2);
+		else if (AR_SREV_9485_11(ah))
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9485Common_wo_xlna_rx_gain_1_1,
+				       ARRAY_SIZE(ar9485Common_wo_xlna_rx_gain_1_1),
+				       2);
+		else
+			INIT_INI_ARRAY(&ah->iniModesRxGain,
+				       ar9300Common_wo_xlna_rx_gain_table_2p2,
+				       ARRAY_SIZE(ar9300Common_wo_xlna_rx_gain_table_2p2),
+				       2);
+		break;
+	}
+}
+
+/* set gain table pointers according to values read from the eeprom */
+static void ar9003_hw_init_mode_gain_regs(struct ath_hw *ah)
+{
+	ar9003_tx_gain_table_apply(ah);
+	ar9003_rx_gain_table_apply(ah);
+}
+
+/*
+ * Helper for ASPM support.
+ *
+ * Disable PLL when in L0s as well as receiver clock when in L1.
+ * This power saving option must be enabled through the SerDes.
+ *
+ * Programming the SerDes must go through the same 288 bit serial shift
+ * register as the other analog registers.  Hence the 9 writes.
+ */
+static void ar9003_hw_configpcipowersave(struct ath_hw *ah,
+					 int restore,
+					 int power_off)
+{
+	if (ah->is_pciexpress != 1)
+		return;
+
+	/* Do not touch SerDes registers */
+	if (ah->config.pcie_powersave_enable == 2)
+		return;
+
+	/* Nothing to do on restore for 11N */
+	if (!restore) {
+		/* set bit 19 to allow forcing of pcie core into L1 state */
+		REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
+
+		/* Several PCIe massages to ensure proper behaviour */
+		if (ah->config.pcie_waen)
+			REG_WRITE(ah, AR_WA, ah->config.pcie_waen);
+		else
+			REG_WRITE(ah, AR_WA, ah->WARegVal);
+	}
+
+	/*
+	 * Configire PCIE after Ini init. SERDES values now come from ini file
+	 * This enables PCIe low power mode.
+	 */
+	if (ah->config.pcieSerDesWrite) {
+		unsigned int i;
+		struct ar5416IniArray *array;
+
+		array = power_off ? &ah->iniPcieSerdes :
+				    &ah->iniPcieSerdesLowPower;
+
+		for (i = 0; i < array->ia_rows; i++) {
+			REG_WRITE(ah,
+				  INI_RA(array, i, 0),
+				  INI_RA(array, i, 1));
+		}
+	}
+}
+
+/* Sets up the AR9003 hardware familiy callbacks */
+void ar9003_hw_attach_ops(struct ath_hw *ah)
+{
+	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+	struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
+	priv_ops->init_mode_regs = ar9003_hw_init_mode_regs;
+	priv_ops->init_mode_gain_regs = ar9003_hw_init_mode_gain_regs;
+
+	ops->config_pci_powersave = ar9003_hw_configpcipowersave;
+
+	ar9003_hw_attach_phy_ops(ah);
+	ar9003_hw_attach_calib_ops(ah);
+	ar9003_hw_attach_mac_ops(ah);
+}

src/drivers/net/ath/ath9k/ath9k_ar9003_mac.c

@@ -0,0 +1,669 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <ipxe/io.h>
+
+#include "hw.h"
+#include "ar9003_mac.h"
+
+static void ar9003_hw_rx_enable(struct ath_hw *hw)
+{
+	REG_WRITE(hw, AR_CR, 0);
+}
+
+static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
+{
+	int checksum;
+
+	checksum = ads->info + ads->link
+		+ ads->data0 + ads->ctl3
+		+ ads->data1 + ads->ctl5
+		+ ads->data2 + ads->ctl7
+		+ ads->data3 + ads->ctl9;
+
+	return ((checksum & 0xffff) + (checksum >> 16)) & AR_TxPtrChkSum;
+}
+
+static void ar9003_hw_set_desc_link(void *ds, u32 ds_link)
+{
+	struct ar9003_txc *ads = ds;
+
+	ads->link = ds_link;
+	ads->ctl10 &= ~AR_TxPtrChkSum;
+	ads->ctl10 |= ar9003_calc_ptr_chksum(ads);
+}
+
+static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link)
+{
+	struct ar9003_txc *ads = ds;
+
+	*ds_link = &ads->link;
+}
+
+static int ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
+{
+	u32 isr = 0;
+	u32 mask2 = 0;
+	struct ath9k_hw_capabilities *pCap = &ah->caps;
+	u32 sync_cause = 0;
+
+	if (ah->ah_ier & AR_IER_ENABLE) {
+		if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
+			if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
+					== AR_RTC_STATUS_ON)
+				isr = REG_READ(ah, AR_ISR);
+		}
+
+		sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) & AR_INTR_SYNC_DEFAULT;
+
+		*masked = 0;
+
+		if (!isr && !sync_cause)
+			return 0;
+	} else {
+		*masked = 0;
+		isr = REG_READ(ah, AR_ISR);
+	}
+
+	if (isr) {
+		if (isr & AR_ISR_BCNMISC) {
+			u32 isr2;
+			isr2 = REG_READ(ah, AR_ISR_S2);
+
+			mask2 |= ((isr2 & AR_ISR_S2_TIM) >>
+				  MAP_ISR_S2_TIM);
+			mask2 |= ((isr2 & AR_ISR_S2_DTIM) >>
+				  MAP_ISR_S2_DTIM);
+			mask2 |= ((isr2 & AR_ISR_S2_DTIMSYNC) >>
+				  MAP_ISR_S2_DTIMSYNC);
+			mask2 |= ((isr2 & AR_ISR_S2_CABEND) >>
+				  MAP_ISR_S2_CABEND);
+			mask2 |= ((isr2 & AR_ISR_S2_GTT) <<
+				  MAP_ISR_S2_GTT);
+			mask2 |= ((isr2 & AR_ISR_S2_CST) <<
+				  MAP_ISR_S2_CST);
+			mask2 |= ((isr2 & AR_ISR_S2_TSFOOR) >>
+				  MAP_ISR_S2_TSFOOR);
+			mask2 |= ((isr2 & AR_ISR_S2_BB_WATCHDOG) >>
+				  MAP_ISR_S2_BB_WATCHDOG);
+
+			if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
+				REG_WRITE(ah, AR_ISR_S2, isr2);
+				isr &= ~AR_ISR_BCNMISC;
+			}
+		}
+
+		if ((pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED))
+			isr = REG_READ(ah, AR_ISR_RAC);
+
+		if (isr == 0xffffffff) {
+			*masked = 0;
+			return 0;
+		}
+
+		*masked = isr & ATH9K_INT_COMMON;
+
+		if (ah->config.rx_intr_mitigation)
+			if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
+				*masked |= ATH9K_INT_RXLP;
+
+		if (ah->config.tx_intr_mitigation)
+			if (isr & (AR_ISR_TXMINTR | AR_ISR_TXINTM))
+				*masked |= ATH9K_INT_TX;
+
+		if (isr & (AR_ISR_LP_RXOK | AR_ISR_RXERR))
+			*masked |= ATH9K_INT_RXLP;
+
+		if (isr & AR_ISR_HP_RXOK)
+			*masked |= ATH9K_INT_RXHP;
+
+		if (isr & (AR_ISR_TXOK | AR_ISR_TXERR | AR_ISR_TXEOL)) {
+			*masked |= ATH9K_INT_TX;
+
+			if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
+				u32 s0, s1;
+				s0 = REG_READ(ah, AR_ISR_S0);
+				REG_WRITE(ah, AR_ISR_S0, s0);
+				s1 = REG_READ(ah, AR_ISR_S1);
+				REG_WRITE(ah, AR_ISR_S1, s1);
+
+				isr &= ~(AR_ISR_TXOK | AR_ISR_TXERR |
+					 AR_ISR_TXEOL);
+			}
+		}
+
+		if (isr & AR_ISR_GENTMR) {
+			u32 s5;
+
+			if (pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)
+				s5 = REG_READ(ah, AR_ISR_S5_S);
+			else
+				s5 = REG_READ(ah, AR_ISR_S5);
+
+			ah->intr_gen_timer_trigger =
+				MS(s5, AR_ISR_S5_GENTIMER_TRIG);
+
+			ah->intr_gen_timer_thresh =
+				MS(s5, AR_ISR_S5_GENTIMER_THRESH);
+
+			if (ah->intr_gen_timer_trigger)
+				*masked |= ATH9K_INT_GENTIMER;
+
+			if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
+				REG_WRITE(ah, AR_ISR_S5, s5);
+				isr &= ~AR_ISR_GENTMR;
+			}
+
+		}
+
+		*masked |= mask2;
+
+		if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
+			REG_WRITE(ah, AR_ISR, isr);
+
+			(void) REG_READ(ah, AR_ISR);
+		}
+	}
+
+	if (sync_cause) {
+		if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
+			REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
+			REG_WRITE(ah, AR_RC, 0);
+			*masked |= ATH9K_INT_FATAL;
+		}
+
+		if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT)
+			DBG("ath9k: "
+				"AR_INTR_SYNC_LOCAL_TIMEOUT\n");
+
+		REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
+		(void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
+
+	}
+	return 1;
+}
+
+static void ar9003_hw_fill_txdesc(struct ath_hw *ah __unused, void *ds, u32 seglen,
+				  int is_firstseg, int is_lastseg,
+				  const void *ds0, u32 buf_addr,
+				  unsigned int qcu)
+{
+	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
+	unsigned int descid = 0;
+
+	ads->info = (ATHEROS_VENDOR_ID << AR_DescId_S) |
+				     (1 << AR_TxRxDesc_S) |
+				     (1 << AR_CtrlStat_S) |
+				     (qcu << AR_TxQcuNum_S) | 0x17;
+
+	ads->data0 = buf_addr;
+	ads->data1 = 0;
+	ads->data2 = 0;
+	ads->data3 = 0;
+
+	ads->ctl3 = (seglen << AR_BufLen_S);
+	ads->ctl3 &= AR_BufLen;
+
+	/* Fill in pointer checksum and descriptor id */
+	ads->ctl10 = ar9003_calc_ptr_chksum(ads);
+	ads->ctl10 |= (descid << AR_TxDescId_S);
+
+	if (is_firstseg) {
+		ads->ctl12 |= (is_lastseg ? 0 : AR_TxMore);
+	} else if (is_lastseg) {
+		ads->ctl11 = 0;
+		ads->ctl12 = 0;
+		ads->ctl13 = AR9003TXC_CONST(ds0)->ctl13;
+		ads->ctl14 = AR9003TXC_CONST(ds0)->ctl14;
+	} else {
+		/* XXX Intermediate descriptor in a multi-descriptor frame.*/
+		ads->ctl11 = 0;
+		ads->ctl12 = AR_TxMore;
+		ads->ctl13 = 0;
+		ads->ctl14 = 0;
+	}
+}
+
+static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds __unused,
+				 struct ath_tx_status *ts)
+{
+	struct ar9003_txs *ads;
+	u32 status;
+
+	ads = &ah->ts_ring[ah->ts_tail];
+
+	status = *(volatile typeof(ads->status8) *)&(ads->status8);
+	if ((status & AR_TxDone) == 0)
+		return -EINPROGRESS;
+
+	ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
+
+	if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
+	    (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
+		DBG("ath9k: "
+			"Tx Descriptor error %x\n", ads->ds_info);
+		memset(ads, 0, sizeof(*ads));
+		return -EIO;
+	}
+
+	if (status & AR_TxOpExceeded)
+		ts->ts_status |= ATH9K_TXERR_XTXOP;
+	ts->ts_rateindex = MS(status, AR_FinalTxIdx);
+	ts->ts_seqnum = MS(status, AR_SeqNum);
+	ts->tid = MS(status, AR_TxTid);
+
+	ts->qid = MS(ads->ds_info, AR_TxQcuNum);
+	ts->desc_id = MS(ads->status1, AR_TxDescId);
+	ts->ts_tstamp = ads->status4;
+	ts->ts_status = 0;
+	ts->ts_flags  = 0;
+
+	status = *(volatile typeof(ads->status2) *)&(ads->status2);
+	ts->ts_rssi_ctl0 = MS(status, AR_TxRSSIAnt00);
+	ts->ts_rssi_ctl1 = MS(status, AR_TxRSSIAnt01);
+	ts->ts_rssi_ctl2 = MS(status, AR_TxRSSIAnt02);
+	if (status & AR_TxBaStatus) {
+		ts->ts_flags |= ATH9K_TX_BA;
+		ts->ba_low = ads->status5;
+		ts->ba_high = ads->status6;
+	}
+
+	status = *(volatile typeof(ads->status3) *)&(ads->status3);
+	if (status & AR_ExcessiveRetries)
+		ts->ts_status |= ATH9K_TXERR_XRETRY;
+	if (status & AR_Filtered)
+		ts->ts_status |= ATH9K_TXERR_FILT;
+	if (status & AR_FIFOUnderrun) {
+		ts->ts_status |= ATH9K_TXERR_FIFO;
+		ath9k_hw_updatetxtriglevel(ah, 1);
+	}
+	if (status & AR_TxTimerExpired)
+		ts->ts_status |= ATH9K_TXERR_TIMER_EXPIRED;
+	if (status & AR_DescCfgErr)
+		ts->ts_flags |= ATH9K_TX_DESC_CFG_ERR;
+	if (status & AR_TxDataUnderrun) {
+		ts->ts_flags |= ATH9K_TX_DATA_UNDERRUN;
+		ath9k_hw_updatetxtriglevel(ah, 1);
+	}
+	if (status & AR_TxDelimUnderrun) {
+		ts->ts_flags |= ATH9K_TX_DELIM_UNDERRUN;
+		ath9k_hw_updatetxtriglevel(ah, 1);
+	}
+	ts->ts_shortretry = MS(status, AR_RTSFailCnt);
+	ts->ts_longretry = MS(status, AR_DataFailCnt);
+	ts->ts_virtcol = MS(status, AR_VirtRetryCnt);
+
+	status = *(volatile typeof(ads->status7) *)&(ads->status7);
+	ts->ts_rssi = MS(status, AR_TxRSSICombined);
+	ts->ts_rssi_ext0 = MS(status, AR_TxRSSIAnt10);
+	ts->ts_rssi_ext1 = MS(status, AR_TxRSSIAnt11);
+	ts->ts_rssi_ext2 = MS(status, AR_TxRSSIAnt12);
+
+	memset(ads, 0, sizeof(*ads));
+
+	return 0;
+}
+
+static void ar9003_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
+		u32 pktlen, enum ath9k_pkt_type type, u32 txpower,
+		u32 keyIx, enum ath9k_key_type keyType, u32 flags)
+{
+	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
+
+	if (txpower > ah->txpower_limit)
+		txpower = ah->txpower_limit;
+
+	if (txpower > 63)
+		txpower = 63;
+
+	ads->ctl11 = (pktlen & AR_FrameLen)
+		| (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
+		| SM(txpower, AR_XmitPower)
+		| (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
+		| (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
+		| (flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0);
+
+	ads->ctl12 =
+		(keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
+		| SM(type, AR_FrameType)
+		| (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
+		| (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
+		| (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
+
+	ads->ctl17 = SM(keyType, AR_EncrType) |
+		     (flags & ATH9K_TXDESC_LDPC ? AR_LDPC : 0);
+	ads->ctl18 = 0;
+	ads->ctl19 = AR_Not_Sounding;
+
+	ads->ctl20 = 0;
+	ads->ctl21 = 0;
+	ads->ctl22 = 0;
+}
+
+static void ar9003_hw_set_clrdmask(struct ath_hw *ah __unused, void *ds, int val)
+{
+	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
+
+	if (val)
+		ads->ctl11 |= AR_ClrDestMask;
+	else
+		ads->ctl11 &= ~AR_ClrDestMask;
+}
+
+static void ar9003_hw_set11n_ratescenario(struct ath_hw *ah __unused, void *ds,
+					  void *lastds,
+					  u32 durUpdateEn, u32 rtsctsRate,
+					  u32 rtsctsDuration __unused,
+					  struct ath9k_11n_rate_series series[],
+					  u32 nseries __unused, u32 flags)
+{
+	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
+	struct ar9003_txc *last_ads = (struct ar9003_txc *) lastds;
+	uint32_t ctl11;
+
+	if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
+		ctl11 = ads->ctl11;
+
+		if (flags & ATH9K_TXDESC_RTSENA) {
+			ctl11 &= ~AR_CTSEnable;
+			ctl11 |= AR_RTSEnable;
+		} else {
+			ctl11 &= ~AR_RTSEnable;
+			ctl11 |= AR_CTSEnable;
+		}
+
+		ads->ctl11 = ctl11;
+	} else {
+		ads->ctl11 = (ads->ctl11 & ~(AR_RTSEnable | AR_CTSEnable));
+	}
+
+	ads->ctl13 = set11nTries(series, 0)
+		|  set11nTries(series, 1)
+		|  set11nTries(series, 2)
+		|  set11nTries(series, 3)
+		|  (durUpdateEn ? AR_DurUpdateEna : 0)
+		|  SM(0, AR_BurstDur);
+
+	ads->ctl14 = set11nRate(series, 0)
+		|  set11nRate(series, 1)
+		|  set11nRate(series, 2)
+		|  set11nRate(series, 3);
+
+	ads->ctl15 = set11nPktDurRTSCTS(series, 0)
+		|  set11nPktDurRTSCTS(series, 1);
+
+	ads->ctl16 = set11nPktDurRTSCTS(series, 2)
+		|  set11nPktDurRTSCTS(series, 3);
+
+	ads->ctl18 = set11nRateFlags(series, 0)
+		|  set11nRateFlags(series, 1)
+		|  set11nRateFlags(series, 2)
+		|  set11nRateFlags(series, 3)
+		| SM(rtsctsRate, AR_RTSCTSRate);
+	ads->ctl19 = AR_Not_Sounding;
+
+	last_ads->ctl13 = ads->ctl13;
+	last_ads->ctl14 = ads->ctl14;
+}
+
+static void ar9003_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
+					u32 aggrLen)
+{
+#define FIRST_DESC_NDELIMS 60
+	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
+
+	ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
+
+	if (ah->ent_mode & AR_ENT_OTP_MPSD) {
+		u32 ctl17, ndelim;
+		/*
+		 * Add delimiter when using RTS/CTS with aggregation
+		 * and non enterprise AR9003 card
+		 */
+		ctl17 = ads->ctl17;
+		ndelim = MS(ctl17, AR_PadDelim);
+
+		if (ndelim < FIRST_DESC_NDELIMS) {
+			aggrLen += (FIRST_DESC_NDELIMS - ndelim) * 4;
+			ndelim = FIRST_DESC_NDELIMS;
+		}
+
+		ctl17 &= ~AR_AggrLen;
+		ctl17 |= SM(aggrLen, AR_AggrLen);
+
+		ctl17 &= ~AR_PadDelim;
+		ctl17 |= SM(ndelim, AR_PadDelim);
+
+		ads->ctl17 = ctl17;
+	} else {
+		ads->ctl17 &= ~AR_AggrLen;
+		ads->ctl17 |= SM(aggrLen, AR_AggrLen);
+	}
+}
+
+static void ar9003_hw_set11n_aggr_middle(struct ath_hw *ah __unused, void *ds,
+					 u32 numDelims)
+{
+	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
+	unsigned int ctl17;
+
+	ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
+
+	/*
+	 * We use a stack variable to manipulate ctl6 to reduce uncached
+	 * read modify, modfiy, write.
+	 */
+	ctl17 = ads->ctl17;
+	ctl17 &= ~AR_PadDelim;
+	ctl17 |= SM(numDelims, AR_PadDelim);
+	ads->ctl17 = ctl17;
+}
+
+static void ar9003_hw_set11n_aggr_last(struct ath_hw *ah __unused, void *ds)
+{
+	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
+
+	ads->ctl12 |= AR_IsAggr;
+	ads->ctl12 &= ~AR_MoreAggr;
+	ads->ctl17 &= ~AR_PadDelim;
+}
+
+static void ar9003_hw_clr11n_aggr(struct ath_hw *ah __unused, void *ds)
+{
+	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
+
+	ads->ctl12 &= (~AR_IsAggr & ~AR_MoreAggr);
+}
+
+void ar9003_hw_set_paprd_txdesc(struct ath_hw *ah __unused, void *ds, u8 chains)
+{
+	struct ar9003_txc *ads = ds;
+
+	ads->ctl12 |= SM(chains, AR_PAPRDChainMask);
+}
+
+void ar9003_hw_attach_mac_ops(struct ath_hw *hw)
+{
+	struct ath_hw_ops *ops = ath9k_hw_ops(hw);
+
+	ops->rx_enable = ar9003_hw_rx_enable;
+	ops->set_desc_link = ar9003_hw_set_desc_link;
+	ops->get_desc_link = ar9003_hw_get_desc_link;
+	ops->get_isr = ar9003_hw_get_isr;
+	ops->fill_txdesc = ar9003_hw_fill_txdesc;
+	ops->proc_txdesc = ar9003_hw_proc_txdesc;
+	ops->set11n_txdesc = ar9003_hw_set11n_txdesc;
+	ops->set11n_ratescenario = ar9003_hw_set11n_ratescenario;
+	ops->set11n_aggr_first = ar9003_hw_set11n_aggr_first;
+	ops->set11n_aggr_middle = ar9003_hw_set11n_aggr_middle;
+	ops->set11n_aggr_last = ar9003_hw_set11n_aggr_last;
+	ops->clr11n_aggr = ar9003_hw_clr11n_aggr;
+	ops->set_clrdmask = ar9003_hw_set_clrdmask;
+}
+
+void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size)
+{
+	REG_WRITE(ah, AR_DATABUF_SIZE, buf_size & AR_DATABUF_SIZE_MASK);
+}
+
+void ath9k_hw_addrxbuf_edma(struct ath_hw *ah, u32 rxdp,
+			    enum ath9k_rx_qtype qtype)
+{
+	if (qtype == ATH9K_RX_QUEUE_HP)
+		REG_WRITE(ah, AR_HP_RXDP, rxdp);
+	else
+		REG_WRITE(ah, AR_LP_RXDP, rxdp);
+}
+
+int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah __unused, struct ath_rx_status *rxs,
+				 void *buf_addr)
+{
+	struct ar9003_rxs *rxsp = (struct ar9003_rxs *) buf_addr;
+	unsigned int phyerr;
+
+	/* TODO: byte swap on big endian for ar9300_10 */
+
+	if ((rxsp->status11 & AR_RxDone) == 0)
+		return -EINPROGRESS;
+
+	if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
+		return -EINVAL;
+
+	if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
+		return -EINPROGRESS;
+
+	if (!rxs)
+		return 0;
+
+	rxs->rs_status = 0;
+	rxs->rs_flags =  0;
+
+	rxs->rs_datalen = rxsp->status2 & AR_DataLen;
+	rxs->rs_tstamp =  rxsp->status3;
+
+	/* XXX: Keycache */
+	rxs->rs_rssi = MS(rxsp->status5, AR_RxRSSICombined);
+	rxs->rs_rssi_ctl0 = MS(rxsp->status1, AR_RxRSSIAnt00);
+	rxs->rs_rssi_ctl1 = MS(rxsp->status1, AR_RxRSSIAnt01);
+	rxs->rs_rssi_ctl2 = MS(rxsp->status1, AR_RxRSSIAnt02);
+	rxs->rs_rssi_ext0 = MS(rxsp->status5, AR_RxRSSIAnt10);
+	rxs->rs_rssi_ext1 = MS(rxsp->status5, AR_RxRSSIAnt11);
+	rxs->rs_rssi_ext2 = MS(rxsp->status5, AR_RxRSSIAnt12);
+
+	if (rxsp->status11 & AR_RxKeyIdxValid)
+		rxs->rs_keyix = MS(rxsp->status11, AR_KeyIdx);
+	else
+		rxs->rs_keyix = ATH9K_RXKEYIX_INVALID;
+
+	rxs->rs_rate = MS(rxsp->status1, AR_RxRate);
+	rxs->rs_more = (rxsp->status2 & AR_RxMore) ? 1 : 0;
+
+	rxs->rs_isaggr = (rxsp->status11 & AR_RxAggr) ? 1 : 0;
+	rxs->rs_moreaggr = (rxsp->status11 & AR_RxMoreAggr) ? 1 : 0;
+	rxs->rs_antenna = (MS(rxsp->status4, AR_RxAntenna) & 0x7);
+	rxs->rs_flags  = (rxsp->status4 & AR_GI) ? ATH9K_RX_GI : 0;
+	rxs->rs_flags  |= (rxsp->status4 & AR_2040) ? ATH9K_RX_2040 : 0;
+
+	rxs->evm0 = rxsp->status6;
+	rxs->evm1 = rxsp->status7;
+	rxs->evm2 = rxsp->status8;
+	rxs->evm3 = rxsp->status9;
+	rxs->evm4 = (rxsp->status10 & 0xffff);
+
+	if (rxsp->status11 & AR_PreDelimCRCErr)
+		rxs->rs_flags |= ATH9K_RX_DELIM_CRC_PRE;
+
+	if (rxsp->status11 & AR_PostDelimCRCErr)
+		rxs->rs_flags |= ATH9K_RX_DELIM_CRC_POST;
+
+	if (rxsp->status11 & AR_DecryptBusyErr)
+		rxs->rs_flags |= ATH9K_RX_DECRYPT_BUSY;
+
+	if ((rxsp->status11 & AR_RxFrameOK) == 0) {
+		/*
+		 * AR_CRCErr will bet set to true if we're on the last
+		 * subframe and the AR_PostDelimCRCErr is caught.
+		 * In a way this also gives us a guarantee that when
+		 * (!(AR_CRCErr) && (AR_PostDelimCRCErr)) we cannot
+		 * possibly be reviewing the last subframe. AR_CRCErr
+		 * is the CRC of the actual data.
+		 */
+		if (rxsp->status11 & AR_CRCErr)
+			rxs->rs_status |= ATH9K_RXERR_CRC;
+		else if (rxsp->status11 & AR_PHYErr) {
+			phyerr = MS(rxsp->status11, AR_PHYErrCode);
+			/*
+			 * If we reach a point here where AR_PostDelimCRCErr is
+			 * true it implies we're *not* on the last subframe. In
+			 * in that case that we know already that the CRC of
+			 * the frame was OK, and MAC would send an ACK for that
+			 * subframe, even if we did get a phy error of type
+			 * ATH9K_PHYERR_OFDM_RESTART. This is only applicable
+			 * to frame that are prior to the last subframe.
+			 * The AR_PostDelimCRCErr is the CRC for the MPDU
+			 * delimiter, which contains the 4 reserved bits,
+			 * the MPDU length (12 bits), and follows the MPDU
+			 * delimiter for an A-MPDU subframe (0x4E = 'N' ASCII).
+			 */
+			if ((phyerr == ATH9K_PHYERR_OFDM_RESTART) &&
+			    (rxsp->status11 & AR_PostDelimCRCErr)) {
+				rxs->rs_phyerr = 0;
+			} else {
+				rxs->rs_status |= ATH9K_RXERR_PHY;
+				rxs->rs_phyerr = phyerr;
+			}
+
+		} else if (rxsp->status11 & AR_DecryptCRCErr)
+			rxs->rs_status |= ATH9K_RXERR_DECRYPT;
+		else if (rxsp->status11 & AR_MichaelErr)
+			rxs->rs_status |= ATH9K_RXERR_MIC;
+		else if (rxsp->status11 & AR_KeyMiss)
+			rxs->rs_status |= ATH9K_RXERR_DECRYPT;
+	}
+
+	return 0;
+}
+
+void ath9k_hw_reset_txstatus_ring(struct ath_hw *ah)
+{
+	ah->ts_tail = 0;
+
+	memset((void *) ah->ts_ring, 0,
+		ah->ts_size * sizeof(struct ar9003_txs));
+
+	DBG2("ath9k: "
+		"TS Start 0x%x End 0x%x Virt %p, Size %d\n",
+		ah->ts_paddr_start, ah->ts_paddr_end,
+		ah->ts_ring, ah->ts_size);
+
+	REG_WRITE(ah, AR_Q_STATUS_RING_START, ah->ts_paddr_start);
+	REG_WRITE(ah, AR_Q_STATUS_RING_END, ah->ts_paddr_end);
+}
+
+void ath9k_hw_setup_statusring(struct ath_hw *ah, void *ts_start,
+			       u32 ts_paddr_start,
+			       u8 size)
+{
+
+	ah->ts_paddr_start = ts_paddr_start;
+	ah->ts_paddr_end = ts_paddr_start + (size * sizeof(struct ar9003_txs));
+	ah->ts_size = size;
+	ah->ts_ring = (struct ar9003_txs *) ts_start;
+
+	ath9k_hw_reset_txstatus_ring(ah);
+}

src/drivers/net/ath/ath9k/ath9k_calib.c

@@ -0,0 +1,403 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "hw.h"
+#include "hw-ops.h"
+
+/* Common calibration code */
+
+#define ATH9K_NF_TOO_HIGH	-60
+
+static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
+{
+	int16_t nfval;
+	int16_t sort[ATH9K_NF_CAL_HIST_MAX];
+	int i, j;
+
+	for (i = 0; i < ATH9K_NF_CAL_HIST_MAX; i++)
+		sort[i] = nfCalBuffer[i];
+
+	for (i = 0; i < ATH9K_NF_CAL_HIST_MAX - 1; i++) {
+		for (j = 1; j < ATH9K_NF_CAL_HIST_MAX - i; j++) {
+			if (sort[j] > sort[j - 1]) {
+				nfval = sort[j];
+				sort[j] = sort[j - 1];
+				sort[j - 1] = nfval;
+			}
+		}
+	}
+	nfval = sort[(ATH9K_NF_CAL_HIST_MAX - 1) >> 1];
+
+	return nfval;
+}
+
+static struct ath_nf_limits *ath9k_hw_get_nf_limits(struct ath_hw *ah,
+						    struct ath9k_channel *chan)
+{
+	struct ath_nf_limits *limit;
+
+	if (!chan || IS_CHAN_2GHZ(chan))
+		limit = &ah->nf_2g;
+	else
+		limit = &ah->nf_5g;
+
+	return limit;
+}
+
+static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
+				   struct ath9k_channel *chan)
+{
+	return ath9k_hw_get_nf_limits(ah, chan)->nominal;
+}
+
+
+static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
+					      struct ath9k_hw_cal_data *cal,
+					      int16_t *nfarray)
+{
+	struct ath_nf_limits *limit;
+	struct ath9k_nfcal_hist *h;
+	int high_nf_mid = 0;
+	u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
+	int i;
+
+	h = cal->nfCalHist;
+	limit = ath9k_hw_get_nf_limits(ah, ah->curchan);
+
+	for (i = 0; i < NUM_NF_READINGS; i++) {
+		if (!(chainmask & (1 << i)) ||
+		    (i >= AR5416_MAX_CHAINS))
+			continue;
+
+		h[i].nfCalBuffer[h[i].currIndex] = nfarray[i];
+
+		if (++h[i].currIndex >= ATH9K_NF_CAL_HIST_MAX)
+			h[i].currIndex = 0;
+
+		if (h[i].invalidNFcount > 0) {
+			h[i].invalidNFcount--;
+			h[i].privNF = nfarray[i];
+		} else {
+			h[i].privNF =
+				ath9k_hw_get_nf_hist_mid(h[i].nfCalBuffer);
+		}
+
+		if (!h[i].privNF)
+			continue;
+
+		if (h[i].privNF > limit->max) {
+			high_nf_mid = 1;
+
+			DBG2("ath9k: "
+				"NFmid[%d] (%d) > MAX (%d), %s\n",
+				i, h[i].privNF, limit->max,
+				(cal->nfcal_interference ?
+				 "not corrected (due to interference)" :
+				 "correcting to MAX"));
+
+			/*
+			 * Normally we limit the average noise floor by the
+			 * hardware specific maximum here. However if we have
+			 * encountered stuck beacons because of interference,
+			 * we bypass this limit here in order to better deal
+			 * with our environment.
+			 */
+			if (!cal->nfcal_interference)
+				h[i].privNF = limit->max;
+		}
+	}
+
+	/*
+	 * If the noise floor seems normal for all chains, assume that
+	 * there is no significant interference in the environment anymore.
+	 * Re-enable the enforcement of the NF maximum again.
+	 */
+	if (!high_nf_mid)
+		cal->nfcal_interference = 0;
+}
+
+static int ath9k_hw_get_nf_thresh(struct ath_hw *ah,
+				   int band,
+				   int16_t *nft)
+{
+	switch (band) {
+	case NET80211_BAND_5GHZ:
+		*nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_5);
+		break;
+	case NET80211_BAND_2GHZ:
+		*nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_2);
+		break;
+	default:
+		return 0;
+	}
+
+	return 1;
+}
+
+void ath9k_hw_reset_calibration(struct ath_hw *ah,
+				struct ath9k_cal_list *currCal)
+{
+	int i;
+
+	ath9k_hw_setup_calibration(ah, currCal);
+
+	currCal->calState = CAL_RUNNING;
+
+	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
+		ah->meas0.sign[i] = 0;
+		ah->meas1.sign[i] = 0;
+		ah->meas2.sign[i] = 0;
+		ah->meas3.sign[i] = 0;
+	}
+
+	ah->cal_samples = 0;
+}
+
+/* This is done for the currently configured channel */
+int ath9k_hw_reset_calvalid(struct ath_hw *ah)
+{
+	struct ath9k_cal_list *currCal = ah->cal_list_curr;
+
+	if (!ah->caldata)
+		return 1;
+
+	if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))
+		return 1;
+
+	if (currCal == NULL)
+		return 1;
+
+	if (currCal->calState != CAL_DONE) {
+		DBG("ath9k: "
+			"Calibration state incorrect, %d\n",
+			currCal->calState);
+		return 1;
+	}
+
+	if (!(ah->supp_cals & currCal->calData->calType))
+		return 1;
+
+	DBG("ath9k: "
+		"Resetting Cal %d state for channel %d\n",
+		currCal->calData->calType, (ah->dev->channels + ah->dev->channel)->center_freq);
+
+	ah->caldata->CalValid &= ~currCal->calData->calType;
+	currCal->calState = CAL_WAITING;
+
+	return 0;
+}
+
+void ath9k_hw_start_nfcal(struct ath_hw *ah, int update)
+{
+	if (ah->caldata)
+		ah->caldata->nfcal_pending = 1;
+
+	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
+		    AR_PHY_AGC_CONTROL_ENABLE_NF);
+
+	if (update)
+		REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
+		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
+	else
+		REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
+		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
+
+	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
+}
+
+void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	struct ath9k_nfcal_hist *h = NULL;
+	unsigned i, j;
+	int32_t val;
+	u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
+	s16 default_nf = ath9k_hw_get_default_nf(ah, chan);
+
+	if (ah->caldata)
+		h = ah->caldata->nfCalHist;
+
+	for (i = 0; i < NUM_NF_READINGS; i++) {
+		if (chainmask & (1 << i)) {
+			s16 nfval;
+
+			if (i >= AR5416_MAX_CHAINS)
+				continue;
+
+			if (h)
+				nfval = h[i].privNF;
+			else
+				nfval = default_nf;
+
+			val = REG_READ(ah, ah->nf_regs[i]);
+			val &= 0xFFFFFE00;
+			val |= (((u32) nfval << 1) & 0x1ff);
+			REG_WRITE(ah, ah->nf_regs[i], val);
+		}
+	}
+
+	/*
+	 * Load software filtered NF value into baseband internal minCCApwr
+	 * variable.
+	 */
+	REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
+		    AR_PHY_AGC_CONTROL_ENABLE_NF);
+	REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
+		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
+	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
+
+	/*
+	 * Wait for load to complete, should be fast, a few 10s of us.
+	 * The max delay was changed from an original 250us to 10000us
+	 * since 250us often results in NF load timeout and causes deaf
+	 * condition during stress testing 12/12/2009
+	 */
+	for (j = 0; j < 10000; j++) {
+		if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &
+		     AR_PHY_AGC_CONTROL_NF) == 0)
+			break;
+		udelay(10);
+	}
+
+	/*
+	 * We timed out waiting for the noisefloor to load, probably due to an
+	 * in-progress rx. Simply return here and allow the load plenty of time
+	 * to complete before the next calibration interval.  We need to avoid
+	 * trying to load -50 (which happens below) while the previous load is
+	 * still in progress as this can cause rx deafness. Instead by returning
+	 * here, the baseband nf cal will just be capped by our present
+	 * noisefloor until the next calibration timer.
+	 */
+	if (j == 10000) {
+		DBG("ath9k: "
+			"Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x%x\n",
+			REG_READ(ah, AR_PHY_AGC_CONTROL));
+		return;
+	}
+
+	/*
+	 * Restore maxCCAPower register parameter again so that we're not capped
+	 * by the median we just loaded.  This will be initial (and max) value
+	 * of next noise floor calibration the baseband does.
+	 */
+	ENABLE_REGWRITE_BUFFER(ah);
+	for (i = 0; i < NUM_NF_READINGS; i++) {
+		if (chainmask & (1 << i)) {
+			if (i >= AR5416_MAX_CHAINS)
+				continue;
+
+			val = REG_READ(ah, ah->nf_regs[i]);
+			val &= 0xFFFFFE00;
+			val |= (((u32) (-50) << 1) & 0x1ff);
+			REG_WRITE(ah, ah->nf_regs[i], val);
+		}
+	}
+	REGWRITE_BUFFER_FLUSH(ah);
+}
+
+
+static void ath9k_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)
+{
+	struct ath_nf_limits *limit;
+	int i;
+
+	if (IS_CHAN_2GHZ(ah->curchan))
+		limit = &ah->nf_2g;
+	else
+		limit = &ah->nf_5g;
+
+	for (i = 0; i < NUM_NF_READINGS; i++) {
+		if (!nf[i])
+			continue;
+
+		DBG2("ath9k: "
+			"NF calibrated [%s] [chain %d] is %d\n",
+			(i >= 3 ? "ext" : "ctl"), i % 3, nf[i]);
+
+		if (nf[i] > ATH9K_NF_TOO_HIGH) {
+			DBG("ath9k: "
+				"NF[%d] (%d) > MAX (%d), correcting to MAX\n",
+				i, nf[i], ATH9K_NF_TOO_HIGH);
+			nf[i] = limit->max;
+		} else if (nf[i] < limit->min) {
+			DBG("ath9k: "
+				"NF[%d] (%d) < MIN (%d), correcting to NOM\n",
+				i, nf[i], limit->min);
+			nf[i] = limit->nominal;
+		}
+	}
+}
+
+int ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	int16_t nf, nfThresh;
+	int16_t nfarray[NUM_NF_READINGS] = { 0 };
+	struct ath9k_nfcal_hist *h;
+	struct net80211_channel *c = chan->chan;
+	struct ath9k_hw_cal_data *caldata = ah->caldata;
+
+	chan->channelFlags &= (~CHANNEL_CW_INT);
+	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
+		DBG("ath9k: "
+			"NF did not complete in calibration window\n");
+		return 0;
+	}
+
+	ath9k_hw_do_getnf(ah, nfarray);
+	ath9k_hw_nf_sanitize(ah, nfarray);
+	nf = nfarray[0];
+	if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)
+	    && nf > nfThresh) {
+		DBG2("ath9k: "
+			"noise floor failed detected; detected %d, threshold %d\n",
+			nf, nfThresh);
+		chan->channelFlags |= CHANNEL_CW_INT;
+	}
+
+	if (!caldata) {
+		chan->noisefloor = nf;
+		return 0;
+	}
+
+	h = caldata->nfCalHist;
+	caldata->nfcal_pending = 0;
+	ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);
+	chan->noisefloor = h[0].privNF;
+	return 1;
+}
+
+void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
+				  struct ath9k_channel *chan)
+{
+	struct ath9k_nfcal_hist *h;
+	s16 default_nf;
+	int i, j;
+
+	ah->caldata->channel = chan->channel;
+	ah->caldata->channelFlags = chan->channelFlags & ~CHANNEL_CW_INT;
+	h = ah->caldata->nfCalHist;
+	default_nf = ath9k_hw_get_default_nf(ah, chan);
+	for (i = 0; i < NUM_NF_READINGS; i++) {
+		h[i].currIndex = 0;
+		h[i].privNF = default_nf;
+		h[i].invalidNFcount = AR_PHY_CCA_FILTERWINDOW_LENGTH;
+		for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
+			h[i].nfCalBuffer[j] = default_nf;
+		}
+	}
+}

src/drivers/net/ath/ath9k/ath9k_common.c

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2009-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Module for common driver code between ath9k and ath9k_htc
+ */
+
+#include "common.h"
+
+/*
+ * Update internal channel flags.
+ */
+void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
+			       struct net80211_channel *chan)
+{
+	ichan->channel = chan->center_freq;
+	ichan->chan = chan;
+
+	if (chan->band == NET80211_BAND_2GHZ) {
+		ichan->chanmode = CHANNEL_G;
+		ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM;
+	} else {
+		ichan->chanmode = CHANNEL_A;
+		ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
+	}
+}
+
+/*
+ * Get the internal channel reference.
+ */
+struct ath9k_channel *ath9k_cmn_get_curchannel(struct net80211_device *dev,
+					       struct ath_hw *ah)
+{
+	struct net80211_channel *curchan = dev->channels + dev->channel;
+	struct ath9k_channel *channel;
+	u8 chan_idx;
+
+	chan_idx = curchan->hw_value;
+	channel = &ah->channels[chan_idx];
+	ath9k_cmn_update_ichannel(channel, curchan);
+
+	return channel;
+}
+
+void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
+			    u16 new_txpow, u16 *txpower)
+{
+	if (cur_txpow != new_txpow) {
+		ath9k_hw_set_txpowerlimit(ah, new_txpow, 0);
+		/* read back in case value is clamped */
+		*txpower = ath9k_hw_regulatory(ah)->power_limit;
+	}
+}

src/drivers/net/ath/ath9k/ath9k_eeprom.c

@@ -0,0 +1,551 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "hw.h"
+
+static inline u16 ath9k_hw_fbin2freq(u8 fbin, int is2GHz)
+{
+	if (fbin == AR5416_BCHAN_UNUSED)
+		return fbin;
+
+	return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
+}
+
+void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val)
+{
+        REG_WRITE(ah, reg, val);
+
+        if (ah->config.analog_shiftreg)
+		udelay(100);
+}
+
+void ath9k_hw_analog_shift_rmw(struct ath_hw *ah, u32 reg, u32 mask,
+			       u32 shift, u32 val)
+{
+	u32 regVal;
+
+	regVal = REG_READ(ah, reg) & ~mask;
+	regVal |= (val << shift) & mask;
+
+	REG_WRITE(ah, reg, regVal);
+
+	if (ah->config.analog_shiftreg)
+		udelay(100);
+}
+
+int16_t ath9k_hw_interpolate(u16 target, u16 srcLeft, u16 srcRight,
+			     int16_t targetLeft, int16_t targetRight)
+{
+	int16_t rv;
+
+	if (srcRight == srcLeft) {
+		rv = targetLeft;
+	} else {
+		rv = (int16_t) (((target - srcLeft) * targetRight +
+				 (srcRight - target) * targetLeft) /
+				(srcRight - srcLeft));
+	}
+	return rv;
+}
+
+int ath9k_hw_get_lower_upper_index(u8 target, u8 *pList, u16 listSize,
+				    u16 *indexL, u16 *indexR)
+{
+	u16 i;
+
+	if (target <= pList[0]) {
+		*indexL = *indexR = 0;
+		return 1;
+	}
+	if (target >= pList[listSize - 1]) {
+		*indexL = *indexR = (u16) (listSize - 1);
+		return 1;
+	}
+
+	for (i = 0; i < listSize - 1; i++) {
+		if (pList[i] == target) {
+			*indexL = *indexR = i;
+			return 1;
+		}
+		if (target < pList[i + 1]) {
+			*indexL = i;
+			*indexR = (u16) (i + 1);
+			return 0;
+		}
+	}
+	return 0;
+}
+
+void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
+				  int eep_start_loc, int size)
+{
+	int i = 0, j, addr;
+	u32 addrdata[8];
+	u32 data[8];
+
+	for (addr = 0; addr < size; addr++) {
+		addrdata[i] = AR5416_EEPROM_OFFSET +
+			((addr + eep_start_loc) << AR5416_EEPROM_S);
+		i++;
+		if (i == 8) {
+			REG_READ_MULTI(ah, addrdata, data, i);
+
+			for (j = 0; j < i; j++) {
+				*eep_data = data[j];
+				eep_data++;
+			}
+			i = 0;
+		}
+	}
+
+	if (i != 0) {
+		REG_READ_MULTI(ah, addrdata, data, i);
+
+		for (j = 0; j < i; j++) {
+			*eep_data = data[j];
+			eep_data++;
+		}
+	}
+}
+
+int ath9k_hw_nvram_read(struct ath_common *common, u32 off, u16 *data)
+{
+	return common->bus_ops->eeprom_read(common, off, data);
+}
+
+void ath9k_hw_fill_vpd_table(u8 pwrMin, u8 pwrMax, u8 *pPwrList,
+			     u8 *pVpdList, u16 numIntercepts,
+			     u8 *pRetVpdList)
+{
+	u16 i, k;
+	u8 currPwr = pwrMin;
+	u16 idxL = 0, idxR = 0;
+
+	for (i = 0; i <= (pwrMax - pwrMin) / 2; i++) {
+		ath9k_hw_get_lower_upper_index(currPwr, pPwrList,
+					       numIntercepts, &(idxL),
+					       &(idxR));
+		if (idxR < 1)
+			idxR = 1;
+		if (idxL == numIntercepts - 1)
+			idxL = (u16) (numIntercepts - 2);
+		if (pPwrList[idxL] == pPwrList[idxR])
+			k = pVpdList[idxL];
+		else
+			k = (u16)(((currPwr - pPwrList[idxL]) * pVpdList[idxR] +
+				   (pPwrList[idxR] - currPwr) * pVpdList[idxL]) /
+				  (pPwrList[idxR] - pPwrList[idxL]));
+		pRetVpdList[i] = (u8) k;
+		currPwr += 2;
+	}
+}
+
+void ath9k_hw_get_legacy_target_powers(struct ath_hw *ah,
+				       struct ath9k_channel *chan,
+				       struct cal_target_power_leg *powInfo,
+				       u16 numChannels,
+				       struct cal_target_power_leg *pNewPower,
+				       u16 numRates, int isExtTarget)
+{
+	struct chan_centers centers;
+	u16 clo, chi;
+	int i;
+	int matchIndex = -1, lowIndex = -1;
+	u16 freq;
+
+	ath9k_hw_get_channel_centers(ah, chan, &centers);
+	freq = (isExtTarget) ? centers.ext_center : centers.ctl_center;
+
+	if (freq <= ath9k_hw_fbin2freq(powInfo[0].bChannel,
+				       IS_CHAN_2GHZ(chan))) {
+		matchIndex = 0;
+	} else {
+		for (i = 0; (i < numChannels) &&
+			     (powInfo[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
+			if (freq == ath9k_hw_fbin2freq(powInfo[i].bChannel,
+						       IS_CHAN_2GHZ(chan))) {
+				matchIndex = i;
+				break;
+			} else if (freq < ath9k_hw_fbin2freq(powInfo[i].bChannel,
+						IS_CHAN_2GHZ(chan)) && i > 0 &&
+				   freq > ath9k_hw_fbin2freq(powInfo[i - 1].bChannel,
+						IS_CHAN_2GHZ(chan))) {
+				lowIndex = i - 1;
+				break;
+			}
+		}
+		if ((matchIndex == -1) && (lowIndex == -1))
+			matchIndex = i - 1;
+	}
+
+	if (matchIndex != -1) {
+		*pNewPower = powInfo[matchIndex];
+	} else {
+		clo = ath9k_hw_fbin2freq(powInfo[lowIndex].bChannel,
+					 IS_CHAN_2GHZ(chan));
+		chi = ath9k_hw_fbin2freq(powInfo[lowIndex + 1].bChannel,
+					 IS_CHAN_2GHZ(chan));
+
+		for (i = 0; i < numRates; i++) {
+			pNewPower->tPow2x[i] =
+				(u8)ath9k_hw_interpolate(freq, clo, chi,
+						powInfo[lowIndex].tPow2x[i],
+						powInfo[lowIndex + 1].tPow2x[i]);
+		}
+	}
+}
+
+void ath9k_hw_get_target_powers(struct ath_hw *ah,
+				struct ath9k_channel *chan,
+				struct cal_target_power_ht *powInfo,
+				u16 numChannels,
+				struct cal_target_power_ht *pNewPower,
+				u16 numRates, int isHt40Target)
+{
+	struct chan_centers centers;
+	u16 clo, chi;
+	int i;
+	int matchIndex = -1, lowIndex = -1;
+	u16 freq;
+
+	ath9k_hw_get_channel_centers(ah, chan, &centers);
+	freq = isHt40Target ? centers.synth_center : centers.ctl_center;
+
+	if (freq <= ath9k_hw_fbin2freq(powInfo[0].bChannel, IS_CHAN_2GHZ(chan))) {
+		matchIndex = 0;
+	} else {
+		for (i = 0; (i < numChannels) &&
+			     (powInfo[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
+			if (freq == ath9k_hw_fbin2freq(powInfo[i].bChannel,
+						       IS_CHAN_2GHZ(chan))) {
+				matchIndex = i;
+				break;
+			} else
+				if (freq < ath9k_hw_fbin2freq(powInfo[i].bChannel,
+						IS_CHAN_2GHZ(chan)) && i > 0 &&
+				    freq > ath9k_hw_fbin2freq(powInfo[i - 1].bChannel,
+						IS_CHAN_2GHZ(chan))) {
+					lowIndex = i - 1;
+					break;
+				}
+		}
+		if ((matchIndex == -1) && (lowIndex == -1))
+			matchIndex = i - 1;
+	}
+
+	if (matchIndex != -1) {
+		*pNewPower = powInfo[matchIndex];
+	} else {
+		clo = ath9k_hw_fbin2freq(powInfo[lowIndex].bChannel,
+					 IS_CHAN_2GHZ(chan));
+		chi = ath9k_hw_fbin2freq(powInfo[lowIndex + 1].bChannel,
+					 IS_CHAN_2GHZ(chan));
+
+		for (i = 0; i < numRates; i++) {
+			pNewPower->tPow2x[i] = (u8)ath9k_hw_interpolate(freq,
+						clo, chi,
+						powInfo[lowIndex].tPow2x[i],
+						powInfo[lowIndex + 1].tPow2x[i]);
+		}
+	}
+}
+
+u16 ath9k_hw_get_max_edge_power(u16 freq, struct cal_ctl_edges *pRdEdgesPower,
+				int is2GHz, int num_band_edges)
+{
+	u16 twiceMaxEdgePower = MAX_RATE_POWER;
+	int i;
+
+	for (i = 0; (i < num_band_edges) &&
+		     (pRdEdgesPower[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
+		if (freq == ath9k_hw_fbin2freq(pRdEdgesPower[i].bChannel, is2GHz)) {
+			twiceMaxEdgePower = CTL_EDGE_TPOWER(pRdEdgesPower[i].ctl);
+			break;
+		} else if ((i > 0) &&
+			   (freq < ath9k_hw_fbin2freq(pRdEdgesPower[i].bChannel,
+						      is2GHz))) {
+			if (ath9k_hw_fbin2freq(pRdEdgesPower[i - 1].bChannel,
+					       is2GHz) < freq &&
+			    CTL_EDGE_FLAGS(pRdEdgesPower[i - 1].ctl)) {
+				twiceMaxEdgePower =
+					CTL_EDGE_TPOWER(pRdEdgesPower[i - 1].ctl);
+			}
+			break;
+		}
+	}
+
+	return twiceMaxEdgePower;
+}
+
+void ath9k_hw_update_regulatory_maxpower(struct ath_hw *ah)
+{
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
+
+	switch (ar5416_get_ntxchains(ah->txchainmask)) {
+	case 1:
+		break;
+	case 2:
+		regulatory->max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN;
+		break;
+	case 3:
+		regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
+		break;
+	default:
+		DBG2("ath9k: "
+			"Invalid chainmask configuration\n");
+		break;
+	}
+}
+
+void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
+				struct ath9k_channel *chan,
+				void *pRawDataSet,
+				u8 *bChans, u16 availPiers,
+				u16 tPdGainOverlap,
+				u16 *pPdGainBoundaries, u8 *pPDADCValues,
+				u16 numXpdGains)
+{
+	int i, j, k;
+	int16_t ss;
+	u16 idxL = 0, idxR = 0, numPiers;
+	static u8 vpdTableL[AR5416_NUM_PD_GAINS]
+		[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
+	static u8 vpdTableR[AR5416_NUM_PD_GAINS]
+		[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
+	static u8 vpdTableI[AR5416_NUM_PD_GAINS]
+		[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
+
+	u8 *pVpdL, *pVpdR, *pPwrL, *pPwrR;
+	u8 minPwrT4[AR5416_NUM_PD_GAINS];
+	u8 maxPwrT4[AR5416_NUM_PD_GAINS];
+	int16_t vpdStep;
+	int16_t tmpVal;
+	u16 sizeCurrVpdTable, maxIndex, tgtIndex;
+	int match;
+	int16_t minDelta = 0;
+	struct chan_centers centers;
+	int pdgain_boundary_default;
+	struct cal_data_per_freq *data_def = pRawDataSet;
+	struct cal_data_per_freq_4k *data_4k = pRawDataSet;
+	struct cal_data_per_freq_ar9287 *data_9287 = pRawDataSet;
+	int eeprom_4k = AR_SREV_9285(ah) || AR_SREV_9271(ah);
+	int intercepts;
+
+	if (AR_SREV_9287(ah))
+		intercepts = AR9287_PD_GAIN_ICEPTS;
+	else
+		intercepts = AR5416_PD_GAIN_ICEPTS;
+
+	memset(&minPwrT4, 0, AR5416_NUM_PD_GAINS);
+	ath9k_hw_get_channel_centers(ah, chan, &centers);
+
+	for (numPiers = 0; numPiers < availPiers; numPiers++) {
+		if (bChans[numPiers] == AR5416_BCHAN_UNUSED)
+			break;
+	}
+
+	match = ath9k_hw_get_lower_upper_index((u8)FREQ2FBIN(centers.synth_center,
+							     IS_CHAN_2GHZ(chan)),
+					       bChans, numPiers, &idxL, &idxR);
+
+	if (match) {
+		if (AR_SREV_9287(ah)) {
+			/* FIXME: array overrun? */
+			for (i = 0; i < numXpdGains; i++) {
+				minPwrT4[i] = data_9287[idxL].pwrPdg[i][0];
+				maxPwrT4[i] = data_9287[idxL].pwrPdg[i][4];
+				ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
+						data_9287[idxL].pwrPdg[i],
+						data_9287[idxL].vpdPdg[i],
+						intercepts,
+						vpdTableI[i]);
+			}
+		} else if (eeprom_4k) {
+			for (i = 0; i < numXpdGains; i++) {
+				minPwrT4[i] = data_4k[idxL].pwrPdg[i][0];
+				maxPwrT4[i] = data_4k[idxL].pwrPdg[i][4];
+				ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
+						data_4k[idxL].pwrPdg[i],
+						data_4k[idxL].vpdPdg[i],
+						intercepts,
+						vpdTableI[i]);
+			}
+		} else {
+			for (i = 0; i < numXpdGains; i++) {
+				minPwrT4[i] = data_def[idxL].pwrPdg[i][0];
+				maxPwrT4[i] = data_def[idxL].pwrPdg[i][4];
+				ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
+						data_def[idxL].pwrPdg[i],
+						data_def[idxL].vpdPdg[i],
+						intercepts,
+						vpdTableI[i]);
+			}
+		}
+	} else {
+		for (i = 0; i < numXpdGains; i++) {
+			if (AR_SREV_9287(ah)) {
+				pVpdL = data_9287[idxL].vpdPdg[i];
+				pPwrL = data_9287[idxL].pwrPdg[i];
+				pVpdR = data_9287[idxR].vpdPdg[i];
+				pPwrR = data_9287[idxR].pwrPdg[i];
+			} else if (eeprom_4k) {
+				pVpdL = data_4k[idxL].vpdPdg[i];
+				pPwrL = data_4k[idxL].pwrPdg[i];
+				pVpdR = data_4k[idxR].vpdPdg[i];
+				pPwrR = data_4k[idxR].pwrPdg[i];
+			} else {
+				pVpdL = data_def[idxL].vpdPdg[i];
+				pPwrL = data_def[idxL].pwrPdg[i];
+				pVpdR = data_def[idxR].vpdPdg[i];
+				pPwrR = data_def[idxR].pwrPdg[i];
+			}
+
+			minPwrT4[i] = max(pPwrL[0], pPwrR[0]);
+
+			maxPwrT4[i] =
+				min(pPwrL[intercepts - 1],
+				    pPwrR[intercepts - 1]);
+
+
+			ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
+						pPwrL, pVpdL,
+						intercepts,
+						vpdTableL[i]);
+			ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
+						pPwrR, pVpdR,
+						intercepts,
+						vpdTableR[i]);
+
+			for (j = 0; j <= (maxPwrT4[i] - minPwrT4[i]) / 2; j++) {
+				vpdTableI[i][j] =
+					(u8)(ath9k_hw_interpolate((u16)
+					     FREQ2FBIN(centers.
+						       synth_center,
+						       IS_CHAN_2GHZ
+						       (chan)),
+					     bChans[idxL], bChans[idxR],
+					     vpdTableL[i][j], vpdTableR[i][j]));
+			}
+		}
+	}
+
+	k = 0;
+
+	for (i = 0; i < numXpdGains; i++) {
+		if (i == (numXpdGains - 1))
+			pPdGainBoundaries[i] =
+				(u16)(maxPwrT4[i] / 2);
+		else
+			pPdGainBoundaries[i] =
+				(u16)((maxPwrT4[i] + minPwrT4[i + 1]) / 4);
+
+		pPdGainBoundaries[i] =
+			min((u16)MAX_RATE_POWER, pPdGainBoundaries[i]);
+
+		if ((i == 0) && !AR_SREV_5416_20_OR_LATER(ah)) {
+			minDelta = pPdGainBoundaries[0] - 23;
+			pPdGainBoundaries[0] = 23;
+		} else {
+			minDelta = 0;
+		}
+
+		if (i == 0) {
+			if (AR_SREV_9280_20_OR_LATER(ah))
+				ss = (int16_t)(0 - (minPwrT4[i] / 2));
+			else
+				ss = 0;
+		} else {
+			ss = (int16_t)((pPdGainBoundaries[i - 1] -
+					(minPwrT4[i] / 2)) -
+				       tPdGainOverlap + 1 + minDelta);
+		}
+		vpdStep = (int16_t)(vpdTableI[i][1] - vpdTableI[i][0]);
+		vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
+
+		while ((ss < 0) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
+			tmpVal = (int16_t)(vpdTableI[i][0] + ss * vpdStep);
+			pPDADCValues[k++] = (u8)((tmpVal < 0) ? 0 : tmpVal);
+			ss++;
+		}
+
+		sizeCurrVpdTable = (u8) ((maxPwrT4[i] - minPwrT4[i]) / 2 + 1);
+		tgtIndex = (u8)(pPdGainBoundaries[i] + tPdGainOverlap -
+				(minPwrT4[i] / 2));
+		maxIndex = (tgtIndex < sizeCurrVpdTable) ?
+			tgtIndex : sizeCurrVpdTable;
+
+		while ((ss < maxIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
+			pPDADCValues[k++] = vpdTableI[i][ss++];
+		}
+
+		vpdStep = (int16_t)(vpdTableI[i][sizeCurrVpdTable - 1] -
+				    vpdTableI[i][sizeCurrVpdTable - 2]);
+		vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
+
+		if (tgtIndex >= maxIndex) {
+			while ((ss <= tgtIndex) &&
+			       (k < (AR5416_NUM_PDADC_VALUES - 1))) {
+				tmpVal = (int16_t)((vpdTableI[i][sizeCurrVpdTable - 1] +
+						    (ss - maxIndex + 1) * vpdStep));
+				pPDADCValues[k++] = (u8)((tmpVal > 255) ?
+							 255 : tmpVal);
+				ss++;
+			}
+		}
+	}
+
+	if (eeprom_4k)
+		pdgain_boundary_default = 58;
+	else
+		pdgain_boundary_default = pPdGainBoundaries[i - 1];
+
+	while (i < AR5416_PD_GAINS_IN_MASK) {
+		pPdGainBoundaries[i] = pdgain_boundary_default;
+		i++;
+	}
+
+	while (k < AR5416_NUM_PDADC_VALUES) {
+		pPDADCValues[k] = pPDADCValues[k - 1];
+		k++;
+	}
+}
+
+int ath9k_hw_eeprom_init(struct ath_hw *ah)
+{
+	int status;
+
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		ah->eep_ops = &eep_ar9300_ops;
+	else if (AR_SREV_9287(ah)) {
+		ah->eep_ops = &eep_ar9287_ops;
+	} else if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) {
+		ah->eep_ops = &eep_4k_ops;
+	} else {
+		ah->eep_ops = &eep_def_ops;
+	}
+
+	if (!ah->eep_ops->fill_eeprom(ah))
+		return -EIO;
+
+	status = ah->eep_ops->check_eeprom(ah);
+
+	return status;
+}

src/drivers/net/ath/ath9k/ath9k_init.c

@@ -0,0 +1,593 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/malloc.h>
+#include <ipxe/pci_io.h>
+#include <ipxe/pci.h>
+
+#include "ath9k.h"
+
+int is_ath9k_unloaded;
+/* We use the hw_value as an index into our private channel structure */
+
+#define CHAN2G(_freq, _idx)  { \
+	.band = NET80211_BAND_2GHZ, \
+	.center_freq = (_freq), \
+	.hw_value = (_idx), \
+	.maxpower = 20, \
+}
+
+#define CHAN5G(_freq, _idx) { \
+	.band = NET80211_BAND_5GHZ, \
+	.center_freq = (_freq), \
+	.hw_value = (_idx), \
+	.maxpower = 20, \
+}
+
+/* Some 2 GHz radios are actually tunable on 2312-2732
+ * on 5 MHz steps, we support the channels which we know
+ * we have calibration data for all cards though to make
+ * this static */
+static const struct net80211_channel ath9k_2ghz_chantable[] = {
+	CHAN2G(2412, 0), /* Channel 1 */
+	CHAN2G(2417, 1), /* Channel 2 */
+	CHAN2G(2422, 2), /* Channel 3 */
+	CHAN2G(2427, 3), /* Channel 4 */
+	CHAN2G(2432, 4), /* Channel 5 */
+	CHAN2G(2437, 5), /* Channel 6 */
+	CHAN2G(2442, 6), /* Channel 7 */
+	CHAN2G(2447, 7), /* Channel 8 */
+	CHAN2G(2452, 8), /* Channel 9 */
+	CHAN2G(2457, 9), /* Channel 10 */
+	CHAN2G(2462, 10), /* Channel 11 */
+	CHAN2G(2467, 11), /* Channel 12 */
+	CHAN2G(2472, 12), /* Channel 13 */
+	CHAN2G(2484, 13), /* Channel 14 */
+};
+
+/* Some 5 GHz radios are actually tunable on XXXX-YYYY
+ * on 5 MHz steps, we support the channels which we know
+ * we have calibration data for all cards though to make
+ * this static */
+static const struct net80211_channel ath9k_5ghz_chantable[] = {
+	/* _We_ call this UNII 1 */
+	CHAN5G(5180, 14), /* Channel 36 */
+	CHAN5G(5200, 15), /* Channel 40 */
+	CHAN5G(5220, 16), /* Channel 44 */
+	CHAN5G(5240, 17), /* Channel 48 */
+	/* _We_ call this UNII 2 */
+	CHAN5G(5260, 18), /* Channel 52 */
+	CHAN5G(5280, 19), /* Channel 56 */
+	CHAN5G(5300, 20), /* Channel 60 */
+	CHAN5G(5320, 21), /* Channel 64 */
+	/* _We_ call this "Middle band" */
+	CHAN5G(5500, 22), /* Channel 100 */
+	CHAN5G(5520, 23), /* Channel 104 */
+	CHAN5G(5540, 24), /* Channel 108 */
+	CHAN5G(5560, 25), /* Channel 112 */
+	CHAN5G(5580, 26), /* Channel 116 */
+	CHAN5G(5600, 27), /* Channel 120 */
+	CHAN5G(5620, 28), /* Channel 124 */
+	CHAN5G(5640, 29), /* Channel 128 */
+	CHAN5G(5660, 30), /* Channel 132 */
+	CHAN5G(5680, 31), /* Channel 136 */
+	CHAN5G(5700, 32), /* Channel 140 */
+	/* _We_ call this UNII 3 */
+	CHAN5G(5745, 33), /* Channel 149 */
+	CHAN5G(5765, 34), /* Channel 153 */
+	CHAN5G(5785, 35), /* Channel 157 */
+	CHAN5G(5805, 36), /* Channel 161 */
+	CHAN5G(5825, 37), /* Channel 165 */
+};
+
+/* Atheros hardware rate code addition for short premble */
+#define SHPCHECK(__hw_rate, __flags) \
+	((__flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) ? (__hw_rate | 0x04 ) : 0)
+
+#define RATE(_bitrate, _hw_rate, _flags) {              \
+	.bitrate        = (_bitrate),                   \
+	.flags          = (_flags),                     \
+	.hw_value       = (_hw_rate),                   \
+	.hw_value_short = (SHPCHECK(_hw_rate, _flags))  \
+}
+
+static struct ath9k_legacy_rate ath9k_legacy_rates[] = {
+	RATE(10, 0x1b, 0),
+	RATE(20, 0x1a, IEEE80211_TX_RC_USE_SHORT_PREAMBLE),
+	RATE(55, 0x19, IEEE80211_TX_RC_USE_SHORT_PREAMBLE),
+	RATE(110, 0x18, IEEE80211_TX_RC_USE_SHORT_PREAMBLE),
+	RATE(60, 0x0b, 0),
+	RATE(90, 0x0f, 0),
+	RATE(120, 0x0a, 0),
+	RATE(180, 0x0e, 0),
+	RATE(240, 0x09, 0),
+	RATE(360, 0x0d, 0),
+	RATE(480, 0x08, 0),
+	RATE(540, 0x0c, 0),
+};
+
+static void ath9k_deinit_softc(struct ath_softc *sc);
+
+/*
+ * Read and write, they both share the same lock. We do this to serialize
+ * reads and writes on Atheros 802.11n PCI devices only. This is required
+ * as the FIFO on these devices can only accept sanely 2 requests.
+ */
+
+static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
+{
+	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+	writel(val, sc->mem + reg_offset);
+}
+
+static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset)
+{
+	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+	u32 val;
+
+	val = readl(sc->mem + reg_offset);
+	return val;
+}
+
+static unsigned int ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr)
+{
+	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+	u32 val;
+
+	val = readl(sc->mem + reg_offset);
+	val &= ~clr;
+	val |= set;
+	writel(val, sc->mem + reg_offset);
+
+	return val;
+}
+
+/**************************/
+/*     Initialization     */
+/**************************/
+
+/*
+ *  This function will allocate both the DMA descriptor structure, and the
+ *  buffers it contains.  These are used to contain the descriptors used
+ *  by the system.
+*/
+int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
+		      struct list_head *head, const char *name,
+		      int nbuf, int ndesc, int is_tx)
+{
+#define	DS2PHYS(_dd, _ds)						\
+	((_dd)->dd_desc_paddr + ((char *)(_ds) - (char *)(_dd)->dd_desc))
+#define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF9F) ? 1 : 0)
+	u8 *ds;
+	struct ath_buf *bf;
+	int i, bsize, error, desc_len;
+
+	DBG2("ath9k: %s DMA: %d buffers %d desc/buf\n",
+		name, nbuf, ndesc);
+
+	INIT_LIST_HEAD(head);
+
+	if (is_tx)
+		desc_len = sc->sc_ah->caps.tx_desc_len;
+	else
+		desc_len = sizeof(struct ath_desc);
+
+	/* ath_desc must be a multiple of DWORDs */
+	if ((desc_len % 4) != 0) {
+		DBG("ath9k: ath_desc not DWORD aligned\n");
+		error = -ENOMEM;
+		goto fail;
+	}
+
+	dd->dd_desc_len = desc_len * nbuf * ndesc;
+
+	/*
+	 * Need additional DMA memory because we can't use
+	 * descriptors that cross the 4K page boundary.
+	 * However, iPXE only utilizes 16 buffers, which
+	 * will never make up more than half of one page,
+	 * so we will only ever skip 1 descriptor, if that.
+	 */
+	if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_4KB_SPLITTRANS)) {
+		u32 ndesc_skipped = 1;
+		u32 dma_len;
+
+		dma_len = ndesc_skipped * desc_len;
+		dd->dd_desc_len += dma_len;
+	}
+
+	/* allocate descriptors */
+	dd->dd_desc = malloc_dma(dd->dd_desc_len, 16);
+	if (dd->dd_desc == NULL) {
+		error = -ENOMEM;
+		goto fail;
+	}
+	dd->dd_desc_paddr = virt_to_bus(dd->dd_desc);
+	ds = (u8 *) dd->dd_desc;
+	DBG2("ath9k: %s DMA map: %p (%d) -> %llx (%d)\n",
+		name, ds, (u32) dd->dd_desc_len,
+		ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
+
+	/* allocate buffers */
+	bsize = sizeof(struct ath_buf) * nbuf;
+	bf = zalloc(bsize);
+	if (bf == NULL) {
+		error = -ENOMEM;
+		goto fail2;
+	}
+	dd->dd_bufptr = bf;
+
+	for (i = 0; i < nbuf; i++, bf++, ds += (desc_len * ndesc)) {
+		bf->bf_desc = ds;
+		bf->bf_daddr = DS2PHYS(dd, ds);
+
+		if (!(sc->sc_ah->caps.hw_caps &
+		      ATH9K_HW_CAP_4KB_SPLITTRANS)) {
+			/*
+			 * Skip descriptor addresses which can cause 4KB
+			 * boundary crossing (addr + length) with a 32 dword
+			 * descriptor fetch.
+			 */
+			while (ATH_DESC_4KB_BOUND_CHECK(bf->bf_daddr)) {
+				ds += (desc_len * ndesc);
+				bf->bf_desc = ds;
+				bf->bf_daddr = DS2PHYS(dd, ds);
+			}
+		}
+		list_add_tail(&bf->list, head);
+	}
+	return 0;
+fail2:
+	free_dma(dd->dd_desc, dd->dd_desc_len);
+fail:
+	memset(dd, 0, sizeof(*dd));
+	return error;
+#undef ATH_DESC_4KB_BOUND_CHECK
+#undef DS2PHYS
+}
+
+void ath9k_init_crypto(struct ath_softc *sc)
+{
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	unsigned int i = 0;
+
+	/* Get the hardware key cache size. */
+	common->keymax = AR_KEYTABLE_SIZE;
+
+	/*
+	 * Reset the key cache since some parts do not
+	 * reset the contents on initial power up.
+	 */
+	for (i = 0; i < common->keymax; i++)
+		ath_hw_keyreset(common, (u16) i);
+
+	/*
+	 * Check whether the separate key cache entries
+	 * are required to handle both tx+rx MIC keys.
+	 * With split mic keys the number of stations is limited
+	 * to 27 otherwise 59.
+	 */
+	if (sc->sc_ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA)
+		common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED;
+}
+
+static int ath9k_init_queues(struct ath_softc *sc)
+{
+	int i = 0;
+
+	for (i = 0; i < WME_NUM_AC; i++) {
+		sc->tx.txq_map[i] = ath_txq_setup(sc, ATH9K_TX_QUEUE_DATA, i);
+		sc->tx.txq_map[i]->mac80211_qnum = i;
+	}
+	return 0;
+}
+
+static int ath9k_init_channels_rates(struct ath_softc *sc)
+{
+	unsigned int i;
+
+	memcpy(&sc->rates, ath9k_legacy_rates, sizeof(ath9k_legacy_rates));
+
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) {
+		memcpy(&sc->hwinfo->channels[sc->hwinfo->nr_channels], ath9k_2ghz_chantable, sizeof(ath9k_2ghz_chantable));
+
+		sc->hwinfo->nr_channels += ARRAY_SIZE(ath9k_2ghz_chantable);
+
+		for (i = 0; i < ARRAY_SIZE(ath9k_legacy_rates); i++)
+			sc->hwinfo->rates[NET80211_BAND_2GHZ][i] = ath9k_legacy_rates[i].bitrate;
+		sc->hwinfo->nr_rates[NET80211_BAND_2GHZ] = ARRAY_SIZE(ath9k_legacy_rates);
+	}
+
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) {
+		memcpy(&sc->hwinfo->channels[sc->hwinfo->nr_channels], ath9k_5ghz_chantable, sizeof(ath9k_5ghz_chantable));
+
+		sc->hwinfo->nr_channels += ARRAY_SIZE(ath9k_5ghz_chantable);
+
+		for (i = 4; i < ARRAY_SIZE(ath9k_legacy_rates); i++)
+			sc->hwinfo->rates[NET80211_BAND_5GHZ][i - 4] = ath9k_legacy_rates[i].bitrate;
+		sc->hwinfo->nr_rates[NET80211_BAND_5GHZ] = ARRAY_SIZE(ath9k_legacy_rates) - 4;
+	}
+	return 0;
+}
+
+static void ath9k_init_misc(struct ath_softc *sc)
+{
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+
+	common->ani.timer = 0;
+
+	sc->config.txpowlimit = ATH_TXPOWER_MAX;
+
+	common->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
+	common->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
+
+	ath9k_hw_set_diversity(sc->sc_ah, 1);
+	sc->rx.defant = ath9k_hw_getdefantenna(sc->sc_ah);
+
+	memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
+}
+
+static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
+			    const struct ath_bus_ops *bus_ops)
+{
+	struct ath_hw *ah = NULL;
+	struct ath_common *common;
+	int ret = 0, i;
+	int csz = 0;
+
+	ah = zalloc(sizeof(struct ath_hw));
+	if (!ah)
+		return -ENOMEM;
+
+	ah->dev = sc->dev;
+	ah->hw_version.devid = devid;
+	ah->hw_version.subsysid = subsysid;
+	ah->reg_ops.read = ath9k_ioread32;
+	ah->reg_ops.write = ath9k_iowrite32;
+	ah->reg_ops.rmw = ath9k_reg_rmw;
+	sc->sc_ah = ah;
+
+	sc->hwinfo = zalloc(sizeof(*sc->hwinfo));
+	if (!sc->hwinfo) {
+		DBG("ath9k: cannot allocate 802.11 hardware info structure\n");
+		return -ENOMEM;
+	}
+
+	ah->ah_flags |= AH_USE_EEPROM;
+	sc->sc_ah->led_pin = -1;
+
+	common = ath9k_hw_common(ah);
+	common->ops = &ah->reg_ops;
+	common->bus_ops = bus_ops;
+	common->ah = ah;
+	common->dev = sc->dev;
+	common->priv = sc;
+
+	sc->intr_tq = ath9k_tasklet;
+
+	/*
+	 * Cache line size is used to size and align various
+	 * structures used to communicate with the hardware.
+	 */
+	ath_read_cachesize(common, &csz);
+	common->cachelsz = csz << 2; /* convert to bytes */
+
+	/* Initializes the hardware for all supported chipsets */
+	ret = ath9k_hw_init(ah);
+	if (ret)
+		goto err_hw;
+
+	memcpy(sc->hwinfo->hwaddr, common->macaddr, ETH_ALEN);
+
+	ret = ath9k_init_queues(sc);
+	if (ret)
+		goto err_queues;
+
+	ret = ath9k_init_channels_rates(sc);
+	if (ret)
+		goto err_btcoex;
+
+	ath9k_init_crypto(sc);
+	ath9k_init_misc(sc);
+
+	return 0;
+
+err_btcoex:
+	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+		if (ATH_TXQ_SETUP(sc, i))
+			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
+err_queues:
+	ath9k_hw_deinit(ah);
+err_hw:
+	free(sc->hwinfo);
+	sc->hwinfo = NULL;
+
+	free(ah);
+	sc->sc_ah = NULL;
+
+	return ret;
+}
+
+static void ath9k_init_band_txpower(struct ath_softc *sc, int band)
+{
+	struct net80211_channel *chan;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
+	int i;
+
+	for (i = 0; i < sc->hwinfo->nr_channels; i++) {
+		chan = &sc->hwinfo->channels[i];
+		if(chan->band != band)
+			continue;
+		ah->curchan = &ah->channels[chan->hw_value];
+		ath9k_hw_set_txpowerlimit(ah, MAX_RATE_POWER, 1);
+		chan->maxpower = reg->max_power_level / 2;
+	}
+}
+
+static void ath9k_init_txpower_limits(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath9k_channel *curchan = ah->curchan;
+
+	if (ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
+		ath9k_init_band_txpower(sc, NET80211_BAND_2GHZ);
+	if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
+		ath9k_init_band_txpower(sc, NET80211_BAND_5GHZ);
+
+	ah->curchan = curchan;
+}
+
+void ath9k_set_hw_capab(struct ath_softc *sc, struct net80211_device *dev __unused)
+{
+	sc->hwinfo->flags = NET80211_HW_RX_HAS_FCS;
+	sc->hwinfo->signal_type = NET80211_SIGNAL_DB;
+	sc->hwinfo->signal_max = 40; /* 35dB should give perfect 54Mbps */
+	sc->hwinfo->channel_change_time = 5000;
+
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
+	{
+		sc->hwinfo->bands |= NET80211_BAND_BIT_2GHZ;
+		sc->hwinfo->modes |= NET80211_MODE_B | NET80211_MODE_G;
+	}
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
+	{
+		sc->hwinfo->bands |= NET80211_BAND_BIT_5GHZ;
+		sc->hwinfo->modes |= NET80211_MODE_A;
+	}
+}
+
+int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+		    const struct ath_bus_ops *bus_ops)
+{
+	struct net80211_device *dev = sc->dev;
+	/*struct ath_common *common;
+	struct ath_hw *ah;*/
+	int error = 0;
+	/*struct ath_regulatory *reg;*/
+
+	/* Bring up device */
+	error = ath9k_init_softc(devid, sc, subsysid, bus_ops);
+	if (error != 0)
+		goto error_init;
+
+	/*ah = sc->sc_ah;
+	common = ath9k_hw_common(ah);*/
+	ath9k_set_hw_capab(sc, dev);
+	/* TODO Cottsay: reg */
+	/* Initialize regulatory */
+	/*error = ath_regd_init(&common->regulatory, sc->dev->wiphy,
+			      ath9k_reg_notifier);
+	if (error)
+		goto error_regd;
+
+	reg = &common->regulatory;*/
+
+	/* Setup TX DMA */
+	error = ath_tx_init(sc, ATH_TXBUF);
+	if (error != 0)
+		goto error_tx;
+
+	/* Setup RX DMA */
+	error = ath_rx_init(sc, ATH_RXBUF);
+	if (error != 0)
+		goto error_rx;
+
+	ath9k_init_txpower_limits(sc);
+
+	/* Register with mac80211 */
+	error = net80211_register(dev, &ath9k_ops, sc->hwinfo);
+	if (error)
+		goto error_register;
+
+	/* TODO Cottsay: reg */
+	/* Handle world regulatory */
+	/*if (!ath_is_world_regd(reg)) {
+		error = regulatory_hint(hw->wiphy, reg->alpha2);
+		if (error)
+			goto error_world;
+	}*/
+
+	sc->hw_pll_work = ath_hw_pll_work;
+	sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
+
+	/* TODO Cottsay: rfkill */
+	/*ath_start_rfkill_poll(sc);*/
+
+	return 0;
+
+//error_world:
+//	net80211_unregister(dev);
+error_register:
+	ath_rx_cleanup(sc);
+error_rx:
+	ath_tx_cleanup(sc);
+error_tx:
+	ath9k_deinit_softc(sc);
+error_init:
+	return error;
+}
+
+/*****************************/
+/*     De-Initialization     */
+/*****************************/
+
+static void ath9k_deinit_softc(struct ath_softc *sc)
+{
+	int i = 0;
+
+	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+		if (ATH_TXQ_SETUP(sc, i))
+			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
+
+	ath9k_hw_deinit(sc->sc_ah);
+
+	free(sc->hwinfo);
+	sc->hwinfo = NULL;
+	free(sc->sc_ah);
+	sc->sc_ah = NULL;
+}
+
+void ath9k_deinit_device(struct ath_softc *sc)
+{
+	struct net80211_device *dev = sc->dev;
+
+	net80211_unregister(dev);
+	ath_rx_cleanup(sc);
+	ath_tx_cleanup(sc);
+	ath9k_deinit_softc(sc);
+}
+
+void ath_descdma_cleanup(struct ath_softc *sc __unused,
+			 struct ath_descdma *dd,
+			 struct list_head *head)
+{
+	free_dma(dd->dd_desc, dd->dd_desc_len);
+
+	INIT_LIST_HEAD(head);
+	free(dd->dd_bufptr);
+	memset(dd, 0, sizeof(*dd));
+}

src/drivers/net/ath/ath9k/ath9k_mac.c

@@ -0,0 +1,733 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "hw.h"
+#include "hw-ops.h"
+
+static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
+					struct ath9k_tx_queue_info *qi __unused)
+{
+	DBG2("ath9k: "
+		"tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
+		ah->txok_interrupt_mask, ah->txerr_interrupt_mask,
+		ah->txdesc_interrupt_mask, ah->txeol_interrupt_mask,
+		ah->txurn_interrupt_mask);
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	REG_WRITE(ah, AR_IMR_S0,
+		  SM(ah->txok_interrupt_mask, AR_IMR_S0_QCU_TXOK)
+		  | SM(ah->txdesc_interrupt_mask, AR_IMR_S0_QCU_TXDESC));
+	REG_WRITE(ah, AR_IMR_S1,
+		  SM(ah->txerr_interrupt_mask, AR_IMR_S1_QCU_TXERR)
+		  | SM(ah->txeol_interrupt_mask, AR_IMR_S1_QCU_TXEOL));
+
+	ah->imrs2_reg &= ~AR_IMR_S2_QCU_TXURN;
+	ah->imrs2_reg |= (ah->txurn_interrupt_mask & AR_IMR_S2_QCU_TXURN);
+	REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
+
+	REGWRITE_BUFFER_FLUSH(ah);
+}
+
+void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp)
+{
+	REG_WRITE(ah, AR_QTXDP(q), txdp);
+}
+
+void ath9k_hw_txstart(struct ath_hw *ah, u32 q)
+{
+	DBG2("ath9k: "
+		"Enable TXE on queue: %d\n", q);
+	REG_WRITE(ah, AR_Q_TXE, 1 << q);
+}
+
+u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q)
+{
+	u32 npend;
+
+	npend = REG_READ(ah, AR_QSTS(q)) & AR_Q_STS_PEND_FR_CNT;
+	if (npend == 0) {
+
+		if (REG_READ(ah, AR_Q_TXE) & (1 << q))
+			npend = 1;
+	}
+
+	return npend;
+}
+
+/**
+ * ath9k_hw_updatetxtriglevel - adjusts the frame trigger level
+ *
+ * @ah: atheros hardware struct
+ * @bIncTrigLevel: whether or not the frame trigger level should be updated
+ *
+ * The frame trigger level specifies the minimum number of bytes,
+ * in units of 64 bytes, that must be DMA'ed into the PCU TX FIFO
+ * before the PCU will initiate sending the frame on the air. This can
+ * mean we initiate transmit before a full frame is on the PCU TX FIFO.
+ * Resets to 0x1 (meaning 64 bytes or a full frame, whichever occurs
+ * first)
+ *
+ * Caution must be taken to ensure to set the frame trigger level based
+ * on the DMA request size. For example if the DMA request size is set to
+ * 128 bytes the trigger level cannot exceed 6 * 64 = 384. This is because
+ * there need to be enough space in the tx FIFO for the requested transfer
+ * size. Hence the tx FIFO will stop with 512 - 128 = 384 bytes. If we set
+ * the threshold to a value beyond 6, then the transmit will hang.
+ *
+ * Current dual   stream devices have a PCU TX FIFO size of 8 KB.
+ * Current single stream devices have a PCU TX FIFO size of 4 KB, however,
+ * there is a hardware issue which forces us to use 2 KB instead so the
+ * frame trigger level must not exceed 2 KB for these chipsets.
+ */
+int ath9k_hw_updatetxtriglevel(struct ath_hw *ah, int bIncTrigLevel)
+{
+	u32 txcfg, curLevel, newLevel;
+
+	if (ah->tx_trig_level >= ah->config.max_txtrig_level)
+		return 0;
+
+	ath9k_hw_disable_interrupts(ah);
+
+	txcfg = REG_READ(ah, AR_TXCFG);
+	curLevel = MS(txcfg, AR_FTRIG);
+	newLevel = curLevel;
+	if (bIncTrigLevel) {
+		if (curLevel < ah->config.max_txtrig_level)
+			newLevel++;
+	} else if (curLevel > MIN_TX_FIFO_THRESHOLD)
+		newLevel--;
+	if (newLevel != curLevel)
+		REG_WRITE(ah, AR_TXCFG,
+			  (txcfg & ~AR_FTRIG) | SM(newLevel, AR_FTRIG));
+
+	ath9k_hw_enable_interrupts(ah);
+
+	ah->tx_trig_level = newLevel;
+
+	return newLevel != curLevel;
+}
+
+void ath9k_hw_abort_tx_dma(struct ath_hw *ah)
+{
+	int i, q;
+
+	REG_WRITE(ah, AR_Q_TXD, AR_Q_TXD_M);
+
+	REG_SET_BIT(ah, AR_PCU_MISC, AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF);
+	REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
+	REG_SET_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF);
+
+	for (q = 0; q < AR_NUM_QCU; q++) {
+		for (i = 0; i < 1000; i++) {
+			if (i)
+				udelay(5);
+
+			if (!ath9k_hw_numtxpending(ah, q))
+				break;
+		}
+	}
+
+	REG_CLR_BIT(ah, AR_PCU_MISC, AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF);
+	REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
+	REG_CLR_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF);
+
+	REG_WRITE(ah, AR_Q_TXD, 0);
+}
+
+void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs)
+{
+	*txqs &= ah->intr_txqs;
+	ah->intr_txqs &= ~(*txqs);
+}
+
+int ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
+			    const struct ath9k_tx_queue_info *qinfo)
+{
+	u32 cw;
+	struct ath9k_tx_queue_info *qi;
+
+	qi = &ah->txq[q];
+	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
+		DBG("ath9k: "
+			"Set TXQ properties, inactive queue: %d\n", q);
+		return 0;
+	}
+
+	DBG2("ath9k: Set queue properties for: %d\n", q);
+
+	qi->tqi_ver = qinfo->tqi_ver;
+	qi->tqi_subtype = qinfo->tqi_subtype;
+	qi->tqi_qflags = qinfo->tqi_qflags;
+	qi->tqi_priority = qinfo->tqi_priority;
+	if (qinfo->tqi_aifs != ATH9K_TXQ_USEDEFAULT)
+		qi->tqi_aifs = min(qinfo->tqi_aifs, 255U);
+	else
+		qi->tqi_aifs = INIT_AIFS;
+	if (qinfo->tqi_cwmin != ATH9K_TXQ_USEDEFAULT) {
+		cw = min(qinfo->tqi_cwmin, 1024U);
+		qi->tqi_cwmin = 1;
+		while (qi->tqi_cwmin < cw)
+			qi->tqi_cwmin = (qi->tqi_cwmin << 1) | 1;
+	} else
+		qi->tqi_cwmin = qinfo->tqi_cwmin;
+	if (qinfo->tqi_cwmax != ATH9K_TXQ_USEDEFAULT) {
+		cw = min(qinfo->tqi_cwmax, 1024U);
+		qi->tqi_cwmax = 1;
+		while (qi->tqi_cwmax < cw)
+			qi->tqi_cwmax = (qi->tqi_cwmax << 1) | 1;
+	} else
+		qi->tqi_cwmax = INIT_CWMAX;
+
+	if (qinfo->tqi_shretry != 0)
+		qi->tqi_shretry = min((u32) qinfo->tqi_shretry, 15U);
+	else
+		qi->tqi_shretry = INIT_SH_RETRY;
+	if (qinfo->tqi_lgretry != 0)
+		qi->tqi_lgretry = min((u32) qinfo->tqi_lgretry, 15U);
+	else
+		qi->tqi_lgretry = INIT_LG_RETRY;
+	qi->tqi_cbrPeriod = qinfo->tqi_cbrPeriod;
+	qi->tqi_cbrOverflowLimit = qinfo->tqi_cbrOverflowLimit;
+	qi->tqi_burstTime = qinfo->tqi_burstTime;
+	qi->tqi_readyTime = qinfo->tqi_readyTime;
+
+	return 1;
+}
+
+int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
+			  const struct ath9k_tx_queue_info *qinfo)
+{
+	struct ath9k_tx_queue_info *qi;
+	int q;
+
+	for (q = 0; q < ATH9K_NUM_TX_QUEUES; q++)
+		if (ah->txq[q].tqi_type ==
+		    ATH9K_TX_QUEUE_INACTIVE)
+			break;
+	if (q == ATH9K_NUM_TX_QUEUES) {
+		DBG("No available TX queue\n");
+		return -1;
+	}
+
+	DBG2("ath9K: Setup TX queue: %d\n", q);
+
+	qi = &ah->txq[q];
+	if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
+		DBG("ath9k: TX queue: %d already active\n", q);
+		return -1;
+	}
+	memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
+	qi->tqi_type = type;
+	if (qinfo == NULL) {
+		qi->tqi_qflags =
+			TXQ_FLAG_TXOKINT_ENABLE
+			| TXQ_FLAG_TXERRINT_ENABLE
+			| TXQ_FLAG_TXDESCINT_ENABLE | TXQ_FLAG_TXURNINT_ENABLE;
+		qi->tqi_aifs = INIT_AIFS;
+		qi->tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
+		qi->tqi_cwmax = INIT_CWMAX;
+		qi->tqi_shretry = INIT_SH_RETRY;
+		qi->tqi_lgretry = INIT_LG_RETRY;
+		qi->tqi_physCompBuf = 0;
+	} else {
+		qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
+		(void) ath9k_hw_set_txq_props(ah, q, qinfo);
+	}
+
+	return q;
+}
+
+int ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
+{
+	struct ath9k_tx_queue_info *qi;
+
+	qi = &ah->txq[q];
+	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
+		DBG("ath9k: "
+			"Release TXQ, inactive queue: %d\n", q);
+		return 0;
+	}
+
+	DBG2("ath9k: Release TX queue: %d\n", q);
+
+	qi->tqi_type = ATH9K_TX_QUEUE_INACTIVE;
+	ah->txok_interrupt_mask &= ~(1 << q);
+	ah->txerr_interrupt_mask &= ~(1 << q);
+	ah->txdesc_interrupt_mask &= ~(1 << q);
+	ah->txeol_interrupt_mask &= ~(1 << q);
+	ah->txurn_interrupt_mask &= ~(1 << q);
+	ath9k_hw_set_txq_interrupts(ah, qi);
+
+	return 1;
+}
+
+int ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
+{
+	struct ath9k_channel *chan = ah->curchan;
+	struct ath9k_tx_queue_info *qi;
+	u32 cwMin, chanCwMin, value __unused;
+
+	qi = &ah->txq[q];
+	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
+		DBG("ath9k: "
+			"Reset TXQ, inactive queue: %d\n", q);
+		return 1;
+	}
+
+	DBG2("ath9k: Reset TX queue: %d\n", q);
+
+	if (qi->tqi_cwmin == ATH9K_TXQ_USEDEFAULT) {
+		if (chan && IS_CHAN_B(chan))
+			chanCwMin = INIT_CWMIN_11B;
+		else
+			chanCwMin = INIT_CWMIN;
+
+		for (cwMin = 1; cwMin < chanCwMin; cwMin = (cwMin << 1) | 1);
+	} else
+		cwMin = qi->tqi_cwmin;
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	REG_WRITE(ah, AR_DLCL_IFS(q),
+		  SM(cwMin, AR_D_LCL_IFS_CWMIN) |
+		  SM(qi->tqi_cwmax, AR_D_LCL_IFS_CWMAX) |
+		  SM(qi->tqi_aifs, AR_D_LCL_IFS_AIFS));
+
+	REG_WRITE(ah, AR_DRETRY_LIMIT(q),
+		  SM(INIT_SSH_RETRY, AR_D_RETRY_LIMIT_STA_SH) |
+		  SM(INIT_SLG_RETRY, AR_D_RETRY_LIMIT_STA_LG) |
+		  SM(qi->tqi_shretry, AR_D_RETRY_LIMIT_FR_SH));
+
+	REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ);
+
+	if (AR_SREV_9340(ah))
+		REG_WRITE(ah, AR_DMISC(q),
+			  AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x1);
+	else
+		REG_WRITE(ah, AR_DMISC(q),
+			  AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x2);
+
+	if (qi->tqi_cbrPeriod) {
+		REG_WRITE(ah, AR_QCBRCFG(q),
+			  SM(qi->tqi_cbrPeriod, AR_Q_CBRCFG_INTERVAL) |
+			  SM(qi->tqi_cbrOverflowLimit, AR_Q_CBRCFG_OVF_THRESH));
+		REG_SET_BIT(ah, AR_QMISC(q), AR_Q_MISC_FSP_CBR |
+			    (qi->tqi_cbrOverflowLimit ?
+			     AR_Q_MISC_CBR_EXP_CNTR_LIMIT_EN : 0));
+	}
+	if (qi->tqi_readyTime) {
+		REG_WRITE(ah, AR_QRDYTIMECFG(q),
+			  SM(qi->tqi_readyTime, AR_Q_RDYTIMECFG_DURATION) |
+			  AR_Q_RDYTIMECFG_EN);
+	}
+
+	REG_WRITE(ah, AR_DCHNTIME(q),
+		  SM(qi->tqi_burstTime, AR_D_CHNTIME_DUR) |
+		  (qi->tqi_burstTime ? AR_D_CHNTIME_EN : 0));
+
+	if (qi->tqi_burstTime
+	    && (qi->tqi_qflags & TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE))
+		REG_SET_BIT(ah, AR_QMISC(q), AR_Q_MISC_RDYTIME_EXP_POLICY);
+
+	if (qi->tqi_qflags & TXQ_FLAG_BACKOFF_DISABLE)
+		REG_SET_BIT(ah, AR_DMISC(q), AR_D_MISC_POST_FR_BKOFF_DIS);
+
+	REGWRITE_BUFFER_FLUSH(ah);
+
+	if (qi->tqi_qflags & TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE)
+		REG_SET_BIT(ah, AR_DMISC(q), AR_D_MISC_FRAG_BKOFF_EN);
+
+	if (qi->tqi_intFlags & ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS) {
+		REG_SET_BIT(ah, AR_DMISC(q),
+			    SM(AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL,
+			       AR_D_MISC_ARB_LOCKOUT_CNTRL) |
+			    AR_D_MISC_POST_FR_BKOFF_DIS);
+	}
+
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		REG_WRITE(ah, AR_Q_DESC_CRCCHK, AR_Q_DESC_CRCCHK_EN);
+
+	if (qi->tqi_qflags & TXQ_FLAG_TXOKINT_ENABLE)
+		ah->txok_interrupt_mask |= 1 << q;
+	else
+		ah->txok_interrupt_mask &= ~(1 << q);
+	if (qi->tqi_qflags & TXQ_FLAG_TXERRINT_ENABLE)
+		ah->txerr_interrupt_mask |= 1 << q;
+	else
+		ah->txerr_interrupt_mask &= ~(1 << q);
+	if (qi->tqi_qflags & TXQ_FLAG_TXDESCINT_ENABLE)
+		ah->txdesc_interrupt_mask |= 1 << q;
+	else
+		ah->txdesc_interrupt_mask &= ~(1 << q);
+	if (qi->tqi_qflags & TXQ_FLAG_TXEOLINT_ENABLE)
+		ah->txeol_interrupt_mask |= 1 << q;
+	else
+		ah->txeol_interrupt_mask &= ~(1 << q);
+	if (qi->tqi_qflags & TXQ_FLAG_TXURNINT_ENABLE)
+		ah->txurn_interrupt_mask |= 1 << q;
+	else
+		ah->txurn_interrupt_mask &= ~(1 << q);
+	ath9k_hw_set_txq_interrupts(ah, qi);
+
+	return 1;
+}
+
+int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
+			struct ath_rx_status *rs, u64 tsf __unused)
+{
+	struct ar5416_desc ads;
+	struct ar5416_desc *adsp = AR5416DESC(ds);
+	u32 phyerr;
+
+	if ((adsp->ds_rxstatus8 & AR_RxDone) == 0)
+		return -EINPROGRESS;
+
+	ads.u.rx = adsp->u.rx;
+
+	rs->rs_status = 0;
+	rs->rs_flags = 0;
+
+	rs->rs_datalen = ads.ds_rxstatus1 & AR_DataLen;
+	rs->rs_tstamp = ads.AR_RcvTimestamp;
+
+	if (ads.ds_rxstatus8 & AR_PostDelimCRCErr) {
+		rs->rs_rssi = ATH9K_RSSI_BAD;
+		rs->rs_rssi_ctl0 = ATH9K_RSSI_BAD;
+		rs->rs_rssi_ctl1 = ATH9K_RSSI_BAD;
+		rs->rs_rssi_ctl2 = ATH9K_RSSI_BAD;
+		rs->rs_rssi_ext0 = ATH9K_RSSI_BAD;
+		rs->rs_rssi_ext1 = ATH9K_RSSI_BAD;
+		rs->rs_rssi_ext2 = ATH9K_RSSI_BAD;
+	} else {
+		rs->rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
+		rs->rs_rssi_ctl0 = MS(ads.ds_rxstatus0,
+						AR_RxRSSIAnt00);
+		rs->rs_rssi_ctl1 = MS(ads.ds_rxstatus0,
+						AR_RxRSSIAnt01);
+		rs->rs_rssi_ctl2 = MS(ads.ds_rxstatus0,
+						AR_RxRSSIAnt02);
+		rs->rs_rssi_ext0 = MS(ads.ds_rxstatus4,
+						AR_RxRSSIAnt10);
+		rs->rs_rssi_ext1 = MS(ads.ds_rxstatus4,
+						AR_RxRSSIAnt11);
+		rs->rs_rssi_ext2 = MS(ads.ds_rxstatus4,
+						AR_RxRSSIAnt12);
+	}
+	if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
+		rs->rs_keyix = MS(ads.ds_rxstatus8, AR_KeyIdx);
+	else
+		rs->rs_keyix = ATH9K_RXKEYIX_INVALID;
+
+	rs->rs_rate = RXSTATUS_RATE(ah, (&ads));
+	rs->rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0;
+
+	rs->rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
+	rs->rs_moreaggr =
+		(ads.ds_rxstatus8 & AR_RxMoreAggr) ? 1 : 0;
+	rs->rs_antenna = MS(ads.ds_rxstatus3, AR_RxAntenna);
+	rs->rs_flags =
+		(ads.ds_rxstatus3 & AR_GI) ? ATH9K_RX_GI : 0;
+	rs->rs_flags |=
+		(ads.ds_rxstatus3 & AR_2040) ? ATH9K_RX_2040 : 0;
+
+	if (ads.ds_rxstatus8 & AR_PreDelimCRCErr)
+		rs->rs_flags |= ATH9K_RX_DELIM_CRC_PRE;
+	if (ads.ds_rxstatus8 & AR_PostDelimCRCErr)
+		rs->rs_flags |= ATH9K_RX_DELIM_CRC_POST;
+	if (ads.ds_rxstatus8 & AR_DecryptBusyErr)
+		rs->rs_flags |= ATH9K_RX_DECRYPT_BUSY;
+
+	if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
+		/*
+		 * Treat these errors as mutually exclusive to avoid spurious
+		 * extra error reports from the hardware. If a CRC error is
+		 * reported, then decryption and MIC errors are irrelevant,
+		 * the frame is going to be dropped either way
+		 */
+		if (ads.ds_rxstatus8 & AR_CRCErr)
+			rs->rs_status |= ATH9K_RXERR_CRC;
+		else if (ads.ds_rxstatus8 & AR_PHYErr) {
+			rs->rs_status |= ATH9K_RXERR_PHY;
+			phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
+			rs->rs_phyerr = phyerr;
+		} else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
+			rs->rs_status |= ATH9K_RXERR_DECRYPT;
+		else if (ads.ds_rxstatus8 & AR_MichaelErr)
+			rs->rs_status |= ATH9K_RXERR_MIC;
+		else if (ads.ds_rxstatus8 & AR_KeyMiss)
+			rs->rs_status |= ATH9K_RXERR_DECRYPT;
+	}
+
+	return 0;
+}
+
+/*
+ * This can stop or re-enables RX.
+ *
+ * If bool is set this will kill any frame which is currently being
+ * transferred between the MAC and baseband and also prevent any new
+ * frames from getting started.
+ */
+int ath9k_hw_setrxabort(struct ath_hw *ah, int set)
+{
+	u32 reg;
+
+	if (set) {
+		REG_SET_BIT(ah, AR_DIAG_SW,
+			    (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+
+		if (!ath9k_hw_wait(ah, AR_OBS_BUS_1, AR_OBS_BUS_1_RX_STATE,
+				   0, AH_WAIT_TIMEOUT)) {
+			REG_CLR_BIT(ah, AR_DIAG_SW,
+				    (AR_DIAG_RX_DIS |
+				     AR_DIAG_RX_ABORT));
+
+			reg = REG_READ(ah, AR_OBS_BUS_1);
+			DBG("ath9k: "
+				"RX failed to go idle in 10 ms RXSM=0x%x\n",
+				reg);
+
+			return 0;
+		}
+	} else {
+		REG_CLR_BIT(ah, AR_DIAG_SW,
+			    (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+	}
+
+	return 1;
+}
+
+void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp)
+{
+	REG_WRITE(ah, AR_RXDP, rxdp);
+}
+
+void ath9k_hw_startpcureceive(struct ath_hw *ah, int is_scanning)
+{
+	ath9k_ani_reset(ah, is_scanning);
+
+	REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+}
+
+void ath9k_hw_abortpcurecv(struct ath_hw *ah)
+{
+	REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
+}
+
+int ath9k_hw_stopdmarecv(struct ath_hw *ah, int *reset)
+{
+#define AH_RX_STOP_DMA_TIMEOUT 10000   /* usec */
+	u32 mac_status, last_mac_status = 0;
+	int i;
+
+	/* Enable access to the DMA observation bus */
+	REG_WRITE(ah, AR_MACMISC,
+		  ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
+		   (AR_MACMISC_MISC_OBS_BUS_1 <<
+		    AR_MACMISC_MISC_OBS_BUS_MSB_S)));
+
+	REG_WRITE(ah, AR_CR, AR_CR_RXD);
+
+	/* Wait for rx enable bit to go low */
+	for (i = AH_RX_STOP_DMA_TIMEOUT / AH_TIME_QUANTUM; i != 0; i--) {
+		if ((REG_READ(ah, AR_CR) & AR_CR_RXE) == 0)
+			break;
+
+		if (!AR_SREV_9300_20_OR_LATER(ah)) {
+			mac_status = REG_READ(ah, AR_DMADBG_7) & 0x7f0;
+			if (mac_status == 0x1c0 && mac_status == last_mac_status) {
+				*reset = 1;
+				break;
+			}
+
+			last_mac_status = mac_status;
+		}
+
+		udelay(AH_TIME_QUANTUM);
+	}
+
+	if (i == 0) {
+		DBG("ath9k: "
+			"DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n",
+			AH_RX_STOP_DMA_TIMEOUT / 1000,
+			REG_READ(ah, AR_CR),
+			REG_READ(ah, AR_DIAG_SW),
+			REG_READ(ah, AR_DMADBG_7));
+		return 0;
+	} else {
+		return 1;
+	}
+
+#undef AH_RX_STOP_DMA_TIMEOUT
+}
+
+int ath9k_hw_intrpend(struct ath_hw *ah)
+{
+	u32 host_isr;
+
+	if (AR_SREV_9100(ah) || !(ah->ah_ier & AR_IER_ENABLE))
+		return 1;
+
+	host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
+	if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
+		return 1;
+
+	host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
+	if ((host_isr & AR_INTR_SYNC_DEFAULT)
+	    && (host_isr != AR_INTR_SPURIOUS))
+		return 1;
+
+	return 0;
+}
+
+void ath9k_hw_disable_interrupts(struct ath_hw *ah)
+{
+	DBG2("ath9k: disable IER\n");
+	REG_WRITE(ah, AR_IER, ah->ah_ier);
+	(void) REG_READ(ah, AR_IER);
+	if (!AR_SREV_9100(ah)) {
+		REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
+		(void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
+
+		REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
+		(void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
+	}
+}
+
+void ath9k_hw_enable_interrupts(struct ath_hw *ah)
+{
+	u32 sync_default = AR_INTR_SYNC_DEFAULT;
+
+	if (!(ah->imask & ATH9K_INT_GLOBAL))
+		return;
+
+	if (AR_SREV_9340(ah))
+		sync_default &= ~AR_INTR_SYNC_HOST1_FATAL;
+
+	DBG2("ath9k: enable IER\n");
+	REG_WRITE(ah, AR_IER, ah->ah_ier);
+	if (!AR_SREV_9100(ah)) {
+		REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
+			  AR_INTR_MAC_IRQ);
+		REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
+
+
+		REG_WRITE(ah, AR_INTR_SYNC_ENABLE, sync_default);
+		REG_WRITE(ah, AR_INTR_SYNC_MASK, sync_default);
+	}
+	DBG2("ath9k: AR_IMR 0x%x IER 0x%x\n",
+		REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
+}
+
+void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
+{
+	enum ath9k_int omask = ah->imask;
+	u32 mask, mask2;
+	struct ath9k_hw_capabilities *pCap = &ah->caps;
+
+	if (!(ints & ATH9K_INT_GLOBAL))
+		ath9k_hw_disable_interrupts(ah);
+
+	DBG2("ath9k: 0x%x => 0x%x\n", omask, ints);
+
+	/* TODO: global int Ref count */
+	mask = ints & ATH9K_INT_COMMON;
+	mask2 = 0;
+
+	if (ints & ATH9K_INT_TX) {
+		if (ah->config.tx_intr_mitigation)
+			mask |= AR_IMR_TXMINTR | AR_IMR_TXINTM;
+		else {
+			if (ah->txok_interrupt_mask)
+				mask |= AR_IMR_TXOK;
+			if (ah->txdesc_interrupt_mask)
+				mask |= AR_IMR_TXDESC;
+		}
+		if (ah->txerr_interrupt_mask)
+			mask |= AR_IMR_TXERR;
+		if (ah->txeol_interrupt_mask)
+			mask |= AR_IMR_TXEOL;
+	}
+	if (ints & ATH9K_INT_RX) {
+		if (AR_SREV_9300_20_OR_LATER(ah)) {
+			mask |= AR_IMR_RXERR | AR_IMR_RXOK_HP;
+			if (ah->config.rx_intr_mitigation) {
+				mask &= ~AR_IMR_RXOK_LP;
+				mask |=  AR_IMR_RXMINTR | AR_IMR_RXINTM;
+			} else {
+				mask |= AR_IMR_RXOK_LP;
+			}
+		} else {
+			if (ah->config.rx_intr_mitigation)
+				mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
+			else
+				mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
+		}
+		if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+			mask |= AR_IMR_GENTMR;
+	}
+
+	if (ints & ATH9K_INT_GENTIMER)
+		mask |= AR_IMR_GENTMR;
+
+	if (ints & (ATH9K_INT_BMISC)) {
+		mask |= AR_IMR_BCNMISC;
+		if (ints & ATH9K_INT_TIM)
+			mask2 |= AR_IMR_S2_TIM;
+		if (ints & ATH9K_INT_DTIM)
+			mask2 |= AR_IMR_S2_DTIM;
+		if (ints & ATH9K_INT_DTIMSYNC)
+			mask2 |= AR_IMR_S2_DTIMSYNC;
+		if (ints & ATH9K_INT_CABEND)
+			mask2 |= AR_IMR_S2_CABEND;
+		if (ints & ATH9K_INT_TSFOOR)
+			mask2 |= AR_IMR_S2_TSFOOR;
+	}
+
+	if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
+		mask |= AR_IMR_BCNMISC;
+		if (ints & ATH9K_INT_GTT)
+			mask2 |= AR_IMR_S2_GTT;
+		if (ints & ATH9K_INT_CST)
+			mask2 |= AR_IMR_S2_CST;
+	}
+
+	DBG2("ath9k: new IMR 0x%x\n", mask);
+	REG_WRITE(ah, AR_IMR, mask);
+	ah->imrs2_reg &= ~(AR_IMR_S2_TIM | AR_IMR_S2_DTIM | AR_IMR_S2_DTIMSYNC |
+			   AR_IMR_S2_CABEND | AR_IMR_S2_CABTO |
+			   AR_IMR_S2_TSFOOR | AR_IMR_S2_GTT | AR_IMR_S2_CST);
+	ah->imrs2_reg |= mask2;
+	REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
+
+	if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+		if (ints & ATH9K_INT_TIM_TIMER)
+			REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
+		else
+			REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
+	}
+
+	if (ints & ATH9K_INT_GLOBAL)
+		ath9k_hw_enable_interrupts(ah);
+
+	return;
+}

src/drivers/net/ath/ath9k/ath9k_main.c

@@ -0,0 +1,916 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "ath9k.h"
+
+static void ath9k_bss_info_changed(struct net80211_device *dev, u32 changed);
+
+int ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
+{
+	int ret;
+
+	ret = ath9k_hw_setpower(sc->sc_ah, mode);
+
+	return ret;
+}
+
+static void ath_start_ani(struct ath_common *common)
+{
+	struct ath_hw *ah = common->ah;
+	unsigned long timestamp = ( currticks() * 1000 ) / TICKS_PER_SEC;
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+	if (!(sc->sc_flags & SC_OP_ANI_RUN))
+		return;
+
+	if (sc->sc_flags & SC_OP_OFFCHANNEL)
+		return;
+
+	common->ani.longcal_timer = timestamp;
+	common->ani.shortcal_timer = timestamp;
+	common->ani.checkani_timer = timestamp;
+
+	common->ani.timer = timestamp + ah->config.ani_poll_interval;
+}
+
+static void ath_update_survey_nf(struct ath_softc *sc, int channel)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath9k_channel *chan = &ah->channels[channel];
+	struct survey_info *survey = &sc->survey[channel];
+
+	if (chan->noisefloor) {
+		survey->filled |= SURVEY_INFO_NOISE_DBM;
+		survey->noise = chan->noisefloor;
+	}
+}
+
+/*
+ * Updates the survey statistics and returns the busy time since last
+ * update in %, if the measurement duration was long enough for the
+ * result to be useful, -1 otherwise.
+ */
+static int ath_update_survey_stats(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int pos = ah->curchan - &ah->channels[0];
+	struct survey_info *survey = &sc->survey[pos];
+	struct ath_cycle_counters *cc = &common->cc_survey;
+	unsigned int div = common->clockrate * 1000;
+	int ret = 0;
+
+	if (!ah->curchan)
+		return -1;
+
+	if (ah->power_mode == ATH9K_PM_AWAKE)
+		ath_hw_cycle_counters_update(common);
+
+	if (cc->cycles > 0) {
+		survey->filled |= SURVEY_INFO_CHANNEL_TIME |
+			SURVEY_INFO_CHANNEL_TIME_BUSY |
+			SURVEY_INFO_CHANNEL_TIME_RX |
+			SURVEY_INFO_CHANNEL_TIME_TX;
+		survey->channel_time += cc->cycles / div;
+		survey->channel_time_busy += cc->rx_busy / div;
+		survey->channel_time_rx += cc->rx_frame / div;
+		survey->channel_time_tx += cc->tx_frame / div;
+	}
+
+	if (cc->cycles < div)
+		return -1;
+
+	if (cc->cycles > 0)
+		ret = cc->rx_busy * 100 / cc->cycles;
+
+	memset(cc, 0, sizeof(*cc));
+
+	ath_update_survey_nf(sc, pos);
+
+	return ret;
+}
+
+/*
+ * Set/change channels.  If the channel is really being changed, it's done
+ * by reseting the chip.  To accomplish this we must first cleanup any pending
+ * DMA, then restart stuff.
+*/
+int ath_set_channel(struct ath_softc *sc, struct net80211_device *dev,
+		    struct ath9k_channel *hchan)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int fastcc __unused = 1, stopped __unused;
+	struct net80211_channel *channel = dev->channels + dev->channel;
+	struct ath9k_hw_cal_data *caldata = NULL;
+	int r;
+
+	if (sc->sc_flags & SC_OP_INVALID)
+		return -EIO;
+
+	sc->hw_busy_count = 0;
+
+	common->ani.timer = 0;
+	sc->tx_complete_work_timer = 0;
+	sc->hw_pll_work_timer = 0;
+
+	/*
+	 * This is only performed if the channel settings have
+	 * actually changed.
+	 *
+	 * To switch channels clear any pending DMA operations;
+	 * wait long enough for the RX fifo to drain, reset the
+	 * hardware at the new frequency, and then re-enable
+	 * the relevant bits of the h/w.
+	 */
+	ath9k_hw_disable_interrupts(ah);
+	stopped = ath_drain_all_txq(sc, 0);
+
+	if (!ath_stoprecv(sc))
+		stopped = 0;
+
+	if (!ath9k_hw_check_alive(ah))
+		stopped = 0;
+
+	/* XXX: do not flush receive queue here. We don't want
+	 * to flush data frames already in queue because of
+	 * changing channel. */
+
+	if (!(sc->sc_flags & SC_OP_OFFCHANNEL))
+		caldata = &sc->caldata;
+
+	DBG2("ath9k: "
+		"(%d MHz) -> (%d MHz)\n",
+		sc->sc_ah->curchan->channel,
+		channel->center_freq);
+
+	r = ath9k_hw_reset(ah, hchan, caldata, fastcc);
+	if (r) {
+		DBG("ath9k: "
+			"Unable to reset channel (%d MHz), reset status %d\n",
+			channel->center_freq, r);
+		goto ps_restore;
+	}
+
+	if (ath_startrecv(sc) != 0) {
+		DBG("ath9k: Unable to restart recv logic\n");
+		r = -EIO;
+		goto ps_restore;
+	}
+
+	ath9k_cmn_update_txpow(ah, sc->curtxpow,
+			       sc->config.txpowlimit, &sc->curtxpow);
+	ath9k_hw_set_interrupts(ah, ah->imask);
+
+	if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) {
+		sc->tx_complete_work(sc);
+		sc->hw_pll_work_timer = (currticks() * 1000 ) / TICKS_PER_SEC + 500;
+		ath_start_ani(common);
+	}
+
+ ps_restore:
+	return r;
+}
+
+/*
+ *  This routine performs the periodic noise floor calibration function
+ *  that is used to adjust and optimize the chip performance.  This
+ *  takes environmental changes (location, temperature) into account.
+ *  When the task is complete, it reschedules itself depending on the
+ *  appropriate interval that was calculated.
+ */
+void ath_ani_calibrate(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int longcal = 0;
+	int shortcal = 0;
+	int aniflag = 0;
+	unsigned int timestamp = (currticks() * 1000 ) / TICKS_PER_SEC;
+	u32 cal_interval, short_cal_interval, long_cal_interval;
+
+	if (ah->caldata && ah->caldata->nfcal_interference)
+		long_cal_interval = ATH_LONG_CALINTERVAL_INT;
+	else
+		long_cal_interval = ATH_LONG_CALINTERVAL;
+
+	short_cal_interval = ATH_STA_SHORT_CALINTERVAL;
+
+	/* Only calibrate if awake */
+	if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE)
+		goto set_timer;
+
+	/* Long calibration runs independently of short calibration. */
+	if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) {
+		longcal = 1;
+		DBG2("ath9k: longcal @%d\n", timestamp);
+		common->ani.longcal_timer = timestamp;
+	}
+
+	/* Short calibration applies only while caldone is false */
+	if (!common->ani.caldone) {
+		if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) {
+			shortcal = 1;
+			DBG2("ath9k: "
+				"shortcal @%d\n", timestamp);
+			common->ani.shortcal_timer = timestamp;
+			common->ani.resetcal_timer = timestamp;
+		}
+	} else {
+		if ((timestamp - common->ani.resetcal_timer) >=
+		    ATH_RESTART_CALINTERVAL) {
+			common->ani.caldone = ath9k_hw_reset_calvalid(ah);
+			if (common->ani.caldone)
+				common->ani.resetcal_timer = timestamp;
+		}
+	}
+
+	/* Verify whether we must check ANI */
+	if ((timestamp - common->ani.checkani_timer) >=
+	     ah->config.ani_poll_interval) {
+		aniflag = 1;
+		common->ani.checkani_timer = timestamp;
+	}
+
+	/* Skip all processing if there's nothing to do. */
+	if (longcal || shortcal || aniflag) {
+		/* Call ANI routine if necessary */
+		if (aniflag) {
+			ath9k_hw_ani_monitor(ah, ah->curchan);
+			ath_update_survey_stats(sc);
+		}
+
+		/* Perform calibration if necessary */
+		if (longcal || shortcal) {
+			common->ani.caldone =
+				ath9k_hw_calibrate(ah,
+						   ah->curchan,
+						   common->rx_chainmask,
+						   longcal);
+		}
+	}
+
+set_timer:
+	/*
+	* Set timer interval based on previous results.
+	* The interval must be the shortest necessary to satisfy ANI,
+	* short calibration and long calibration.
+	*/
+	cal_interval = ATH_LONG_CALINTERVAL;
+	if (sc->sc_ah->config.enable_ani)
+		cal_interval = min(cal_interval,
+				   (u32)ah->config.ani_poll_interval);
+	if (!common->ani.caldone)
+		cal_interval = min(cal_interval, (u32)short_cal_interval);
+
+	common->ani.timer = timestamp + cal_interval;
+}
+
+void ath_hw_check(struct ath_softc *sc)
+{
+	int busy;
+
+	if (ath9k_hw_check_alive(sc->sc_ah))
+		goto out;
+
+	busy = ath_update_survey_stats(sc);
+
+	DBG("ath9k: Possible baseband hang, "
+		"busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
+	if (busy >= 99) {
+		if (++sc->hw_busy_count >= 3)
+			ath_reset(sc, 1);
+	} else if (busy >= 0)
+		sc->hw_busy_count = 0;
+
+out:
+	return;
+}
+
+static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum)
+{
+	static int count;
+
+	if (pll_sqsum >= 0x40000) {
+		count++;
+		if (count == 3) {
+			/* Rx is hung for more than 500ms. Reset it */
+			DBG("ath9k: "
+				"Possible RX hang, resetting");
+			ath_reset(sc, 1);
+			count = 0;
+		}
+	} else
+		count = 0;
+}
+
+void ath_hw_pll_work(struct ath_softc *sc)
+{
+	u32 pll_sqsum;
+
+	if (AR_SREV_9485(sc->sc_ah)) {
+		pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah);
+
+		ath_hw_pll_rx_hang_check(sc, pll_sqsum);
+
+		sc->hw_pll_work_timer = (currticks() * 1000 ) / TICKS_PER_SEC + 200;
+	}
+}
+
+
+void ath9k_tasklet(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+
+	u32 status = sc->intrstatus;
+	u32 rxmask;
+
+	if ((status & ATH9K_INT_FATAL) ||
+	    (status & ATH9K_INT_BB_WATCHDOG)) {
+		ath_reset(sc, 1);
+		return;
+	}
+
+	rxmask = (ATH9K_INT_RX | ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
+
+	if (status & rxmask) {
+		ath_rx_tasklet(sc, 0, 0);
+	}
+
+	if (status & ATH9K_INT_TX) {
+		ath_tx_tasklet(sc);
+	}
+
+	/* re-enable hardware interrupt */
+	ath9k_hw_enable_interrupts(ah);
+}
+
+void ath_isr(struct net80211_device *dev)
+{
+#define SCHED_INTR (				\
+		ATH9K_INT_FATAL |		\
+		ATH9K_INT_BB_WATCHDOG |		\
+		ATH9K_INT_RXORN |		\
+		ATH9K_INT_RXEOL |		\
+		ATH9K_INT_RX |			\
+		ATH9K_INT_RXLP |		\
+		ATH9K_INT_RXHP |		\
+		ATH9K_INT_TX |			\
+		ATH9K_INT_BMISS |		\
+		ATH9K_INT_CST |			\
+		ATH9K_INT_TSFOOR |		\
+		ATH9K_INT_GENTIMER)
+
+	struct ath_softc *sc = dev->priv;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	enum ath9k_int status;
+	unsigned long timestamp = (currticks() * 1000 ) / TICKS_PER_SEC;
+	int sched = 0;
+
+	/*
+	 * The hardware is not ready/present, don't
+	 * touch anything. Note this can happen early
+	 * on if the IRQ is shared.
+	 */
+	if (sc->sc_flags & SC_OP_INVALID)
+		return;
+
+
+	/* Check calibration */
+	if(timestamp >= (unsigned int)common->ani.timer && common->ani.timer)
+		ath_ani_calibrate(sc);
+
+	/* Check tx_complete_work */
+	if(timestamp >= (unsigned int)sc->tx_complete_work_timer && sc->tx_complete_work_timer)
+		sc->tx_complete_work(sc);
+
+	/* Check hw_pll_work */
+	if(timestamp >= (unsigned int)sc->hw_pll_work_timer && sc->hw_pll_work_timer)
+		sc->hw_pll_work(sc);
+
+	/* shared irq, not for us */
+
+	if (!ath9k_hw_intrpend(ah))
+		return;
+
+	/*
+	 * Figure out the reason(s) for the interrupt.  Note
+	 * that the hal returns a pseudo-ISR that may include
+	 * bits we haven't explicitly enabled so we mask the
+	 * value to insure we only process bits we requested.
+	 */
+	ath9k_hw_getisr(ah, &status);	/* NB: clears ISR too */
+	status &= ah->imask;	/* discard unasked-for bits */
+
+	/*
+	 * If there are no status bits set, then this interrupt was not
+	 * for me (should have been caught above).
+	 */
+	if (!status)
+		return;
+
+	/* Cache the status */
+	sc->intrstatus = status;
+
+	if (status & SCHED_INTR)
+		sched = 1;
+
+	/*
+	 * If a FATAL or RXORN interrupt is received, we have to reset the
+	 * chip immediately.
+	 */
+	if ((status & ATH9K_INT_FATAL) || (status & ATH9K_INT_RXORN))
+		goto chip_reset;
+
+	if (status & ATH9K_INT_TXURN)
+		ath9k_hw_updatetxtriglevel(ah, 1);
+
+	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+		if (status & ATH9K_INT_TIM_TIMER) {
+			if (sc->ps_idle)
+				goto chip_reset;
+			/* Clear RxAbort bit so that we can
+			 * receive frames */
+			ath9k_setpower(sc, ATH9K_PM_AWAKE);
+			ath9k_hw_setrxabort(sc->sc_ah, 0);
+			sc->ps_flags |= PS_WAIT_FOR_BEACON;
+		}
+
+chip_reset:
+
+	if (sched) {
+		/* turn off every interrupt */
+		ath9k_hw_disable_interrupts(ah);
+		sc->intr_tq(sc);
+	}
+
+	return;
+
+#undef SCHED_INTR
+}
+
+void ath_radio_disable(struct ath_softc *sc, struct net80211_device *dev)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct net80211_channel *channel = dev->channels + dev->channel;
+	int r;
+
+	sc->hw_pll_work_timer = 0;
+
+	/*
+	 * Keep the LED on when the radio is disabled
+	 * during idle unassociated state.
+	 */
+	if (!sc->ps_idle) {
+		ath9k_hw_set_gpio(ah, ah->led_pin, 1);
+		ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+	}
+
+	/* Disable interrupts */
+	ath9k_hw_disable_interrupts(ah);
+
+	ath_drain_all_txq(sc, 0);	/* clear pending tx frames */
+
+	ath_stoprecv(sc);		/* turn off frame recv */
+	ath_flushrecv(sc);		/* flush recv queue */
+
+	if (!ah->curchan)
+		ah->curchan = ath9k_cmn_get_curchannel(dev, ah);
+
+	r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, 0);
+	if (r) {
+		DBG("ath9k: "
+			"Unable to reset channel (%d MHz), reset status %d\n",
+			channel->center_freq, r);
+	}
+
+	ath9k_hw_phy_disable(ah);
+
+	ath9k_hw_configpcipowersave(ah, 1, 1);
+}
+
+int ath_reset(struct ath_softc *sc, int retry_tx)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int r;
+
+	sc->hw_busy_count = 0;
+
+	/* Stop ANI */
+	common->ani.timer = 0;
+
+	ath9k_hw_disable_interrupts(ah);
+	ath_drain_all_txq(sc, retry_tx);
+
+	ath_stoprecv(sc);
+	ath_flushrecv(sc);
+
+	r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, 0);
+	if (r)
+		DBG("ath9k: "
+			"Unable to reset hardware; reset status %d\n", r);
+
+	if (ath_startrecv(sc) != 0)
+		DBG("ath9k: Unable to start recv logic\n");
+
+	/*
+	 * We may be doing a reset in response to a request
+	 * that changes the channel so update any state that
+	 * might change as a result.
+	 */
+	ath9k_cmn_update_txpow(ah, sc->curtxpow,
+			       sc->config.txpowlimit, &sc->curtxpow);
+
+	ath9k_hw_set_interrupts(ah, ah->imask);
+
+	if (retry_tx) {
+		int i;
+		for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
+			if (ATH_TXQ_SETUP(sc, i)) {
+				ath_txq_schedule(sc, &sc->tx.txq[i]);
+			}
+		}
+	}
+
+	/* Start ANI */
+	ath_start_ani(common);
+
+	return r;
+}
+
+/**********************/
+/* mac80211 callbacks */
+/**********************/
+
+static int ath9k_start(struct net80211_device *dev)
+{
+	struct ath_softc *sc = dev->priv;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct net80211_channel *curchan = dev->channels + dev->channel;
+	struct ath9k_channel *init_channel;
+	int r;
+
+	DBG("ath9k: "
+		"Starting driver with initial channel: %d MHz\n",
+		curchan->center_freq);
+
+	/* setup initial channel */
+	sc->chan_idx = curchan->hw_value;
+
+	init_channel = ath9k_cmn_get_curchannel(dev, ah);
+
+	/* Reset SERDES registers */
+	ath9k_hw_configpcipowersave(ah, 0, 0);
+
+	/*
+	 * The basic interface to setting the hardware in a good
+	 * state is ``reset''.  On return the hardware is known to
+	 * be powered up and with interrupts disabled.  This must
+	 * be followed by initialization of the appropriate bits
+	 * and then setup of the interrupt mask.
+	 */
+	r = ath9k_hw_reset(ah, init_channel, ah->caldata, 0);
+	if (r) {
+		DBG("ath9k: "
+			"Unable to reset hardware; reset status %d (freq %d MHz)\n",
+			r, curchan->center_freq);
+		goto mutex_unlock;
+	}
+
+	/*
+	 * This is needed only to setup initial state
+	 * but it's best done after a reset.
+	 */
+	ath9k_cmn_update_txpow(ah, sc->curtxpow,
+			sc->config.txpowlimit, &sc->curtxpow);
+
+	/*
+	 * Setup the hardware after reset:
+	 * The receive engine is set going.
+	 * Frame transmit is handled entirely
+	 * in the frame output path; there's nothing to do
+	 * here except setup the interrupt mask.
+	 */
+	if (ath_startrecv(sc) != 0) {
+		DBG("ath9k: Unable to start recv logic\n");
+		r = -EIO;
+		goto mutex_unlock;
+	}
+
+	/* Setup our intr mask. */
+	ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL |
+		    ATH9K_INT_RXORN | ATH9K_INT_FATAL |
+		    ATH9K_INT_GLOBAL;
+
+	ah->imask |= ATH9K_INT_RX;
+
+	sc->sc_flags &= ~SC_OP_INVALID;
+	sc->sc_ah->is_monitoring = 0;
+
+	ath9k_hw_set_interrupts(ah, ah->imask);
+
+	sc->tx_complete_work(sc);
+
+	if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
+		common->bus_ops->extn_synch_en(common);
+
+mutex_unlock:
+	return r;
+}
+
+static int ath9k_tx(struct net80211_device *dev, struct io_buffer *iob)
+{
+	struct ath_softc *sc = dev->priv;
+	struct ath_tx_control txctl;
+	int ret = 0;
+
+	memset(&txctl, 0, sizeof(struct ath_tx_control));
+	txctl.txq = sc->tx.txq_map[0];
+
+	DBGIO("ath9k: transmitting packet, iob: %p\n", iob);
+
+	ret = ath_tx_start(dev, iob, &txctl);
+	if (ret) {
+		DBG("ath9k: TX failed\n");
+		goto exit;
+	}
+
+	return ret;
+exit:
+	free_iob(iob);
+	return ret;
+}
+
+static void ath9k_stop(struct net80211_device *dev)
+{
+	struct ath_softc *sc = dev->priv;
+	struct ath_hw *ah = sc->sc_ah;
+
+	sc->tx_complete_work_timer = 0;
+	sc->hw_pll_work_timer = 0;
+
+	if (sc->sc_flags & SC_OP_INVALID) {
+		DBG("ath9k: Device not present\n");
+		return;
+	}
+
+	/* prevent tasklets to enable interrupts once we disable them */
+	ah->imask &= ~ATH9K_INT_GLOBAL;
+
+	/* make sure h/w will not generate any interrupt
+	 * before setting the invalid flag. */
+	ath9k_hw_disable_interrupts(ah);
+
+	if (!(sc->sc_flags & SC_OP_INVALID)) {
+		ath_drain_all_txq(sc, 0);
+		ath_stoprecv(sc);
+		ath9k_hw_phy_disable(ah);
+	} else
+		sc->rx.rxlink = NULL;
+
+	if (sc->rx.frag) {
+		free_iob(sc->rx.frag);
+		sc->rx.frag = NULL;
+	}
+
+	/* disable HAL and put h/w to sleep */
+	ath9k_hw_disable(ah);
+	ath9k_hw_configpcipowersave(ah, 1, 1);
+
+	ath_radio_disable(sc, dev);
+
+	sc->sc_flags |= SC_OP_INVALID;
+
+	DBG("ath9k: Driver halt\n");
+}
+
+static int ath9k_config(struct net80211_device *dev, int changed)
+{
+	struct ath_softc *sc = dev->priv;
+	struct ath_hw *ah = sc->sc_ah;
+
+	if ((changed & NET80211_CFG_RATE) ||
+			(changed & NET80211_CFG_PHY_PARAMS)) {
+		int spmbl = (sc->sc_flags & SC_OP_PREAMBLE_SHORT) ? IEEE80211_TX_RC_USE_SHORT_PREAMBLE : 0;
+		u16 rate = dev->rates[dev->rate];
+		u16 slowrate = dev->rates[dev->rtscts_rate];
+		int i;
+
+		for (i = 0; i < NET80211_MAX_RATES; i++) {
+			if (sc->rates[i].bitrate == rate &&
+			    (sc->rates[i].flags & spmbl))
+				sc->hw_rix = i;
+
+			if (sc->rates[i].bitrate == slowrate &&
+			    (sc->rates[i].flags & spmbl))
+				sc->hw_rix = i;
+		}
+	}
+
+	ath9k_bss_info_changed(dev, changed);
+
+	if (changed & NET80211_CFG_CHANNEL) {
+		struct net80211_channel *curchan = dev->channels + dev->channel;
+		int pos = curchan->hw_value;
+		int old_pos = -1;
+
+		if (ah->curchan)
+			old_pos = ah->curchan - &ah->channels[0];
+
+		sc->sc_flags &= ~SC_OP_OFFCHANNEL;
+
+		DBG2("ath9k: "
+			"Set channel: %d MHz\n",
+			curchan->center_freq);
+
+		ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
+					  curchan);
+
+		/* update survey stats for the old channel before switching */
+		ath_update_survey_stats(sc);
+
+		/*
+		 * If the operating channel changes, change the survey in-use flags
+		 * along with it.
+		 * Reset the survey data for the new channel, unless we're switching
+		 * back to the operating channel from an off-channel operation.
+		 */
+		if (sc->cur_survey != &sc->survey[pos]) {
+
+			if (sc->cur_survey)
+				sc->cur_survey->filled &= ~SURVEY_INFO_IN_USE;
+
+			sc->cur_survey = &sc->survey[pos];
+
+			memset(sc->cur_survey, 0, sizeof(struct survey_info));
+			sc->cur_survey->filled |= SURVEY_INFO_IN_USE;
+		} else if (!(sc->survey[pos].filled & SURVEY_INFO_IN_USE)) {
+			memset(&sc->survey[pos], 0, sizeof(struct survey_info));
+		}
+
+		if (ath_set_channel(sc, dev, &sc->sc_ah->channels[pos]) < 0) {
+			DBG("ath9k: Unable to set channel\n");
+			return -EINVAL;
+		}
+
+		/*
+		 * The most recent snapshot of channel->noisefloor for the old
+		 * channel is only available after the hardware reset. Copy it to
+		 * the survey stats now.
+		 */
+		if (old_pos >= 0)
+			ath_update_survey_nf(sc, old_pos);
+	}
+
+	if (changed & NET80211_CFG_CHANNEL) {
+		DBG2("ath9k: "
+			"Set power: %d\n", (dev->channels + dev->channel)->maxpower);
+		sc->config.txpowlimit = 2 * (dev->channels + dev->channel)->maxpower;
+		ath9k_cmn_update_txpow(ah, sc->curtxpow,
+				       sc->config.txpowlimit, &sc->curtxpow);
+	}
+
+	return 0;
+}
+
+static void ath9k_bss_iter(struct ath_softc *sc)
+{
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+
+	if (common->dev->state & NET80211_ASSOCIATED) {
+		sc->sc_flags |= SC_OP_PRIM_STA_VIF;
+		memcpy(common->curbssid, common->dev->bssid, ETH_ALEN);
+		common->curaid = common->dev->aid;
+		ath9k_hw_write_associd(sc->sc_ah);
+		DBG("ath9k: "
+			"Bss Info ASSOC %d, bssid: %pM\n",
+			common->dev->aid, common->curbssid);
+
+		/*
+		 * Request a re-configuration of Beacon related timers
+		 * on the receipt of the first Beacon frame (i.e.,
+		 * after time sync with the AP).
+		 */
+		sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
+		/* Reset rssi stats */
+		sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
+		sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
+
+		sc->sc_flags |= SC_OP_ANI_RUN;
+		ath_start_ani(common);
+	}
+}
+
+static void ath9k_config_bss(struct ath_softc *sc)
+{
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	struct net80211_device *dev = common->dev;
+
+	/* Reconfigure bss info */
+	if (!(dev->state & NET80211_ASSOCIATED)) {
+		DBG2("ath9k: "
+			"ath9k: Bss Info DISASSOC %d, bssid %pM\n",
+			common->curaid, common->curbssid);
+		sc->sc_flags &= ~(SC_OP_PRIM_STA_VIF | SC_OP_BEACONS);
+		memset(common->curbssid, 0, ETH_ALEN);
+		common->curaid = 0;
+	}
+
+	ath9k_bss_iter(sc);
+
+	/*
+	 * None of station vifs are associated.
+	 * Clear bssid & aid
+	 */
+	if (!(sc->sc_flags & SC_OP_PRIM_STA_VIF)) {
+		ath9k_hw_write_associd(sc->sc_ah);
+		/* Stop ANI */
+		sc->sc_flags &= ~SC_OP_ANI_RUN;
+		common->ani.timer = 0;
+	}
+}
+
+static void ath9k_bss_info_changed(struct net80211_device *dev,
+				   u32 changed)
+{
+	struct ath_softc *sc = dev->priv;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int slottime;
+
+	if (changed & NET80211_CFG_ASSOC) {
+		ath9k_config_bss(sc);
+
+		DBG2("ath9k: BSSID: %pM aid: 0x%x\n",
+			common->curbssid, common->curaid);
+	}
+
+	if (changed & NET80211_CFG_PHY_PARAMS) {
+		if (dev->phy_flags & NET80211_PHY_USE_PROTECTION)
+			slottime = 9;
+		else
+			slottime = 20;
+		ah->slottime = slottime;
+		ath9k_hw_init_global_settings(ah);
+
+		DBG2("ath9k: BSS Changed PREAMBLE %d\n",
+				!!(dev->phy_flags & NET80211_PHY_USE_SHORT_PREAMBLE));
+		if (dev->phy_flags & NET80211_PHY_USE_SHORT_PREAMBLE)
+			sc->sc_flags |= SC_OP_PREAMBLE_SHORT;
+		else
+			sc->sc_flags &= ~SC_OP_PREAMBLE_SHORT;
+
+		DBG2("ath9k: BSS Changed CTS PROT %d\n",
+			!!(dev->phy_flags & NET80211_PHY_USE_PROTECTION));
+		if ((dev->phy_flags & NET80211_PHY_USE_PROTECTION) &&
+		    (dev->channels + dev->channel)->band != NET80211_BAND_5GHZ)
+			sc->sc_flags |= SC_OP_PROTECT_ENABLE;
+		else
+			sc->sc_flags &= ~SC_OP_PROTECT_ENABLE;
+	}
+}
+
+static void ath9k_poll(struct net80211_device *dev)
+{
+	ath_isr(dev);
+}
+
+static void ath9k_irq(struct net80211_device *dev, int enable)
+{
+	struct ath_softc *sc = dev->priv;
+	struct ath_hw *ah = sc->sc_ah;
+
+	ah->ah_ier = enable ? AR_IER_ENABLE : AR_IER_DISABLE;
+
+	ath9k_hw_set_interrupts(ah, ah->imask);
+}
+
+struct net80211_device_operations ath9k_ops = {
+	.transmit	= ath9k_tx,
+	.open		= ath9k_start,
+	.close		= ath9k_stop,
+	.config		= ath9k_config,
+	.poll		= ath9k_poll,
+	.irq		= ath9k_irq,
+};

src/drivers/net/ath/ath9k/ath9k_recv.c

@@ -0,0 +1,521 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "ath9k.h"
+#include "ar9003_mac.h"
+
+/*
+ * Setup and link descriptors.
+ *
+ * 11N: we can no longer afford to self link the last descriptor.
+ * MAC acknowledges BA status as long as it copies frames to host
+ * buffer (or rx fifo). This can incorrectly acknowledge packets
+ * to a sender if last desc is self-linked.
+ */
+static void ath_rx_buf_link(struct ath_softc *sc, struct ath_buf *bf)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_desc *ds;
+//	struct io_buffer *iob;
+
+	ATH_RXBUF_RESET(bf);
+
+	ds = bf->bf_desc;
+	ds->ds_link = 0; /* link to null */
+	ds->ds_data = bf->bf_buf_addr;
+
+//	/* virtual addr of the beginning of the buffer. */
+//	iob = bf->bf_mpdu;
+//	ds->ds_vdata = iob->data;
+
+	/*
+	 * setup rx descriptors. The rx_bufsize here tells the hardware
+	 * how much data it can DMA to us and that we are prepared
+	 * to process
+	 */
+	ath9k_hw_setuprxdesc(ah, ds,
+			     common->rx_bufsize,
+			     0);
+
+	if (sc->rx.rxlink == NULL)
+		ath9k_hw_putrxbuf(ah, bf->bf_daddr);
+	else
+		*sc->rx.rxlink = bf->bf_daddr;
+
+	sc->rx.rxlink = &ds->ds_link;
+}
+
+static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
+{
+	/* XXX block beacon interrupts */
+	ath9k_hw_setantenna(sc->sc_ah, antenna);
+	sc->rx.defant = antenna;
+	sc->rx.rxotherant = 0;
+}
+
+static void ath_opmode_init(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	u32 rfilt, mfilt[2];
+
+	/* configure rx filter */
+	rfilt = ath_calcrxfilter(sc);
+	ath9k_hw_setrxfilter(ah, rfilt);
+
+	/* configure bssid mask */
+	ath_hw_setbssidmask(common);
+
+	/* configure operational mode */
+	ath9k_hw_setopmode(ah);
+
+	/* calculate and install multicast filter */
+	mfilt[0] = mfilt[1] = ~0;
+	ath9k_hw_setmcastfilter(ah, mfilt[0], mfilt[1]);
+}
+
+int ath_rx_init(struct ath_softc *sc, int nbufs)
+{
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	struct io_buffer *iob;
+	u32 *iob_addr = NULL;
+	struct ath_buf *bf;
+	int error = 0;
+
+	sc->sc_flags &= ~SC_OP_RXFLUSH;
+
+	common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 +
+			     sc->sc_ah->caps.rx_status_len;
+
+	DBG2("ath9k: cachelsz %d rxbufsize %d\n",
+		common->cachelsz, common->rx_bufsize);
+
+	/* Initialize rx descriptors */
+
+	error = ath_descdma_setup(sc, &sc->rx.rxdma, &sc->rx.rxbuf,
+			"rx", nbufs, 1, 0);
+	if (error != 0) {
+		DBG("ath9k: "
+			"failed to allocate rx descriptors: %d\n",
+			error);
+		goto err;
+	}
+
+	list_for_each_entry(bf, &sc->rx.rxbuf, list) {
+		iob = ath_rxbuf_alloc(common, common->rx_bufsize,
+				      iob_addr);
+		if (iob == NULL) {
+			error = -ENOMEM;
+			goto err;
+		}
+
+		bf->bf_mpdu = iob;
+		bf->bf_buf_addr = *iob_addr;
+	}
+	sc->rx.rxlink = NULL;
+
+err:
+	if (error)
+		ath_rx_cleanup(sc);
+
+	return error;
+}
+
+void ath_rx_cleanup(struct ath_softc *sc)
+{
+	struct io_buffer *iob;
+	struct ath_buf *bf;
+
+	list_for_each_entry(bf, &sc->rx.rxbuf, list) {
+		iob = bf->bf_mpdu;
+		if (iob) {
+			free_iob(iob);
+			bf->bf_buf_addr = 0;
+			bf->bf_mpdu = NULL;
+		}
+	}
+
+	if (sc->rx.rxdma.dd_desc_len != 0)
+		ath_descdma_cleanup(sc, &sc->rx.rxdma, &sc->rx.rxbuf);
+}
+
+/*
+ * Calculate the receive filter according to the
+ * operating mode and state:
+ *
+ * o always accept unicast, broadcast, and multicast traffic
+ * o maintain current state of phy error reception (the hal
+ *   may enable phy error frames for noise immunity work)
+ * o probe request frames are accepted only when operating in
+ *   hostap, adhoc, or monitor modes
+ * o enable promiscuous mode according to the interface state
+ * o accept beacons:
+ *   - when operating in adhoc mode so the 802.11 layer creates
+ *     node table entries for peers,
+ *   - when operating in station mode for collecting rssi data when
+ *     the station is otherwise quiet, or
+ *   - when operating as a repeater so we see repeater-sta beacons
+ *   - when scanning
+ */
+
+u32 ath_calcrxfilter(struct ath_softc *sc)
+{
+#define	RX_FILTER_PRESERVE (ATH9K_RX_FILTER_PHYERR | ATH9K_RX_FILTER_PHYRADAR)
+
+	u32 rfilt;
+
+	rfilt = (ath9k_hw_getrxfilter(sc->sc_ah) & RX_FILTER_PRESERVE)
+		| ATH9K_RX_FILTER_UCAST | ATH9K_RX_FILTER_BCAST
+		| ATH9K_RX_FILTER_MCAST | ATH9K_RX_FILTER_BEACON;
+
+	return rfilt;
+
+#undef RX_FILTER_PRESERVE
+}
+
+int ath_startrecv(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_buf *bf, *tbf;
+
+	if (list_empty(&sc->rx.rxbuf))
+		goto start_recv;
+
+	sc->rx.rxlink = NULL;
+	list_for_each_entry_safe(bf, tbf, &sc->rx.rxbuf, list) {
+		ath_rx_buf_link(sc, bf);
+	}
+
+	/* We could have deleted elements so the list may be empty now */
+	if (list_empty(&sc->rx.rxbuf))
+		goto start_recv;
+
+	bf = list_first_entry(&sc->rx.rxbuf, struct ath_buf, list);
+	ath9k_hw_putrxbuf(ah, bf->bf_daddr);
+	ath9k_hw_rxena(ah);
+
+start_recv:
+	ath_opmode_init(sc);
+	ath9k_hw_startpcureceive(ah, (sc->sc_flags & SC_OP_OFFCHANNEL));
+
+	return 0;
+}
+
+int ath_stoprecv(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	int stopped, reset = 0;
+
+	ath9k_hw_abortpcurecv(ah);
+	ath9k_hw_setrxfilter(ah, 0);
+	stopped = ath9k_hw_stopdmarecv(ah, &reset);
+
+	sc->rx.rxlink = NULL;
+
+	if (!(ah->ah_flags & AH_UNPLUGGED) &&
+	    !stopped) {
+		DBG("ath9k: "
+			"Could not stop RX, we could be "
+			"confusing the DMA engine when we start RX up\n");
+	}
+	return stopped && !reset;
+}
+
+void ath_flushrecv(struct ath_softc *sc)
+{
+	sc->sc_flags |= SC_OP_RXFLUSH;
+	ath_rx_tasklet(sc, 1, 0);
+	sc->sc_flags &= ~SC_OP_RXFLUSH;
+}
+
+static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
+					   struct ath_rx_status *rs)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_desc *ds;
+	struct ath_buf *bf;
+	int ret;
+
+	if (list_empty(&sc->rx.rxbuf)) {
+		sc->rx.rxlink = NULL;
+		return NULL;
+	}
+
+	bf = list_first_entry(&sc->rx.rxbuf, struct ath_buf, list);
+	ds = bf->bf_desc;
+
+	/*
+	 * Must provide the virtual address of the current
+	 * descriptor, the physical address, and the virtual
+	 * address of the next descriptor in the h/w chain.
+	 * This allows the HAL to look ahead to see if the
+	 * hardware is done with a descriptor by checking the
+	 * done bit in the following descriptor and the address
+	 * of the current descriptor the DMA engine is working
+	 * on.  All this is necessary because of our use of
+	 * a self-linked list to avoid rx overruns.
+	 */
+	ret = ath9k_hw_rxprocdesc(ah, ds, rs, 0);
+	if (ret == -EINPROGRESS) {
+		struct ath_rx_status trs;
+		struct ath_buf *tbf;
+		struct ath_desc *tds;
+
+		memset(&trs, 0, sizeof(trs));
+		if ((&bf->list)->next == &sc->rx.rxbuf) {
+			sc->rx.rxlink = NULL;
+			return NULL;
+		}
+
+		tbf = list_entry(bf->list.next, struct ath_buf, list);
+
+		/*
+		 * On some hardware the descriptor status words could
+		 * get corrupted, including the done bit. Because of
+		 * this, check if the next descriptor's done bit is
+		 * set or not.
+		 *
+		 * If the next descriptor's done bit is set, the current
+		 * descriptor has been corrupted. Force s/w to discard
+		 * this descriptor and continue...
+		 */
+
+		tds = tbf->bf_desc;
+		ret = ath9k_hw_rxprocdesc(ah, tds, &trs, 0);
+		if (ret == -EINPROGRESS)
+			return NULL;
+	}
+
+	if (!bf->bf_mpdu)
+		return bf;
+
+	return bf;
+}
+
+/* Assumes you've already done the endian to CPU conversion */
+static int ath9k_rx_accept(struct ath_common *common,
+			    struct ath_rx_status *rx_stats,
+			    int *decrypt_error)
+{
+	struct ath_hw *ah = common->ah;
+	u8 rx_status_len = ah->caps.rx_status_len;
+
+
+	if (!rx_stats->rs_datalen)
+		return 0;
+        /*
+         * rs_status follows rs_datalen so if rs_datalen is too large
+         * we can take a hint that hardware corrupted it, so ignore
+         * those frames.
+         */
+	if (rx_stats->rs_datalen > (common->rx_bufsize - rx_status_len))
+		return 0;
+
+	/* Only use error bits from the last fragment */
+	if (rx_stats->rs_more)
+		return 1;
+
+	/*
+	 * The rx_stats->rs_status will not be set until the end of the
+	 * chained descriptors so it can be ignored if rs_more is set. The
+	 * rs_more will be false at the last element of the chained
+	 * descriptors.
+	 */
+	if (rx_stats->rs_status != 0) {
+		if (rx_stats->rs_status & ATH9K_RXERR_PHY)
+			return 0;
+
+		if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
+			*decrypt_error = 1;
+		}
+		/*
+		 * Reject error frames with the exception of
+		 * decryption and MIC failures. For monitor mode,
+		 * we also ignore the CRC error.
+		 */
+		if (ah->is_monitoring) {
+			if (rx_stats->rs_status &
+			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC |
+			      ATH9K_RXERR_CRC))
+				return 0;
+		} else {
+			if (rx_stats->rs_status &
+			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC)) {
+				return 0;
+			}
+		}
+	}
+	return 1;
+}
+
+static int ath9k_process_rate(struct ath_common *common __unused,
+			      struct net80211_device *dev,
+			      struct ath_rx_status *rx_stats,
+			      int *rix)
+{
+	struct ath_softc *sc = (struct ath_softc *)dev->priv;
+	int band;
+	int i = 0;
+
+	band = (dev->channels + sc->dev->channel)->band;
+
+	for (i = 0; i < sc->hwinfo->nr_rates[band]; i++) {
+		if (sc->rates[i].hw_value == rx_stats->rs_rate) {
+			*rix = i;
+			return 0;
+		}
+		if (sc->rates[i].hw_value_short == rx_stats->rs_rate) {
+			*rix = i;
+			return 0;
+		}
+	}
+
+	/*
+	 * No valid hardware bitrate found -- we should not get here
+	 * because hardware has already validated this frame as OK.
+	 */
+	DBG("ath9k: "
+		"unsupported hw bitrate detected 0x%02x using 1 Mbit\n",
+		rx_stats->rs_rate);
+
+	return -EINVAL;
+}
+
+/*
+ * For Decrypt or Demic errors, we only mark packet status here and always push
+ * up the frame up to let mac80211 handle the actual error case, be it no
+ * decryption key or real decryption error. This let us keep statistics there.
+ */
+static int ath9k_rx_iob_preprocess(struct ath_common *common,
+				   struct net80211_device *dev,
+				   struct ath_rx_status *rx_stats,
+				   int *rix,
+				   int *decrypt_error)
+{
+	/*
+	 * everything but the rate is checked here, the rate check is done
+	 * separately to avoid doing two lookups for a rate for each frame.
+	 */
+	if (!ath9k_rx_accept(common, rx_stats, decrypt_error))
+		return -EINVAL;
+
+	/* Only use status info from the last fragment */
+	if (rx_stats->rs_more)
+		return 0;
+
+	if (ath9k_process_rate(common, dev, rx_stats, rix))
+		return -EINVAL;
+
+	return 0;
+}
+
+int ath_rx_tasklet(struct ath_softc *sc, int flush, int hp __unused)
+{
+	struct ath_buf *bf;
+	struct io_buffer *iob = NULL, *requeue_iob;
+	u32 *requeue_iob_addr = NULL;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	/*
+	 * The hw can technically differ from common->hw when using ath9k
+	 * virtual wiphy so to account for that we iterate over the active
+	 * wiphys and find the appropriate wiphy and therefore hw.
+	 */
+	struct net80211_device *dev = sc->dev;
+	int retval;
+	int decrypt_error = 0;
+	struct ath_rx_status rs;
+	int rix = 0;
+
+	do {
+		/* If handling rx interrupt and flush is in progress => exit */
+		if ((sc->sc_flags & SC_OP_RXFLUSH) && (flush == 0))
+			break;
+
+		memset(&rs, 0, sizeof(rs));
+		bf = ath_get_next_rx_buf(sc, &rs);
+
+		if (!bf)
+			break;
+
+		iob = bf->bf_mpdu;
+		if (!iob)
+			continue;
+
+		/*
+		 * If we're asked to flush receive queue, directly
+		 * chain it back at the queue without processing it.
+		 */
+		if (flush)
+			goto requeue_drop_frag;
+
+		retval = ath9k_rx_iob_preprocess(common, dev, &rs,
+						 &rix, &decrypt_error);
+		if (retval)
+			goto requeue_drop_frag;
+
+		/* Ensure we always have an iob to requeue once we are done
+		 * processing the current buffer's iob */
+		requeue_iob = ath_rxbuf_alloc(common, common->rx_bufsize, requeue_iob_addr);
+
+		/* If there is no memory we ignore the current RX'd frame,
+		 * tell hardware it can give us a new frame using the old
+		 * iob and put it at the tail of the sc->rx.rxbuf list for
+		 * processing. */
+		if (!requeue_iob)
+			goto requeue_drop_frag;
+
+		iob_put(iob, rs.rs_datalen + ah->caps.rx_status_len);
+		if (ah->caps.rx_status_len)
+			iob_pull(iob, ah->caps.rx_status_len);
+
+		/* We will now give hardware our shiny new allocated iob */
+		bf->bf_mpdu = requeue_iob;
+		bf->bf_buf_addr = *requeue_iob_addr;
+
+		/*
+		 * change the default rx antenna if rx diversity chooses the
+		 * other antenna 3 times in a row.
+		 */
+		if (sc->rx.defant != rs.rs_antenna) {
+			if (++sc->rx.rxotherant >= 3)
+				ath_setdefantenna(sc, rs.rs_antenna);
+		} else {
+			sc->rx.rxotherant = 0;
+		}
+
+		DBGIO("ath9k: rx %d bytes, signal %d, bitrate %d, hw_value %d\n", rs.rs_datalen,
+		                                rs.rs_rssi, sc->rates[rix].bitrate, rs.rs_rate);
+
+		net80211_rx(dev, iob, rs.rs_rssi,
+				sc->rates[rix].bitrate);
+
+requeue_drop_frag:
+		list_del(&bf->list);
+		list_add_tail(&bf->list, &sc->rx.rxbuf);
+		ath_rx_buf_link(sc, bf);
+		ath9k_hw_rxena(ah);
+	} while (1);
+
+	return 0;
+}

src/drivers/net/ath/ath9k/ath9k_xmit.c

@@ -0,0 +1,813 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "ath9k.h"
+#include "ar9003_mac.h"
+
+#define BITS_PER_BYTE           8
+#define OFDM_PLCP_BITS          22
+#define HT_RC_2_STREAMS(_rc)    ((((_rc) & 0x78) >> 3) + 1)
+#define L_STF                   8
+#define L_LTF                   8
+#define L_SIG                   4
+#define HT_SIG                  8
+#define HT_STF                  4
+#define HT_LTF(_ns)             (4 * (_ns))
+#define SYMBOL_TIME(_ns)        ((_ns) << 2) /* ns * 4 us */
+#define SYMBOL_TIME_HALFGI(_ns) (((_ns) * 18 + 4) / 5)  /* ns * 3.6 us */
+#define NUM_SYMBOLS_PER_USEC(_usec) (_usec >> 2)
+#define NUM_SYMBOLS_PER_USEC_HALFGI(_usec) (((_usec*5)-4)/18)
+
+
+#define IS_HT_RATE(_rate)     ((_rate) & 0x80)
+
+static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
+			       struct ath_atx_tid *tid,
+			       struct list_head *bf_head);
+static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
+				struct ath_txq *txq, struct list_head *bf_q,
+				struct ath_tx_status *ts, int txok, int sendbar);
+static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
+			     struct list_head *head);
+static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len);
+
+enum {
+	MCS_HT20,
+	MCS_HT20_SGI,
+	MCS_HT40,
+	MCS_HT40_SGI,
+};
+
+/*********************/
+/* Aggregation logic */
+/*********************/
+
+static void ath_tx_queue_tid(struct ath_txq *txq, struct ath_atx_tid *tid)
+{
+	struct ath_atx_ac *ac = tid->ac;
+
+	if (tid->paused)
+		return;
+
+	if (tid->sched)
+		return;
+
+	tid->sched = 1;
+	list_add_tail(&tid->list, &ac->tid_q);
+
+	if (ac->sched)
+		return;
+
+	ac->sched = 1;
+	list_add_tail(&ac->list, &txq->axq_acq);
+}
+
+static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)
+{
+	struct ath_buf *bf = NULL;
+
+	if (list_empty(&sc->tx.txbuf)) {
+		return NULL;
+	}
+
+	bf = list_first_entry(&sc->tx.txbuf, struct ath_buf, list);
+	list_del(&bf->list);
+
+	return bf;
+}
+
+static void ath_tx_return_buffer(struct ath_softc *sc, struct ath_buf *bf)
+{
+	list_add_tail(&bf->list, &sc->tx.txbuf);
+}
+
+/********************/
+/* Queue Management */
+/********************/
+
+struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath9k_tx_queue_info qi;
+	static const int subtype_txq_to_hwq[] = {
+		[WME_AC_BE] = ATH_TXQ_AC_BE,
+	};
+	int axq_qnum, i;
+
+	memset(&qi, 0, sizeof(qi));
+	qi.tqi_subtype = subtype_txq_to_hwq[subtype];
+	qi.tqi_aifs = ATH9K_TXQ_USEDEFAULT;
+	qi.tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
+	qi.tqi_cwmax = ATH9K_TXQ_USEDEFAULT;
+	qi.tqi_physCompBuf = 0;
+
+	/*
+	 * Enable interrupts only for EOL and DESC conditions.
+	 * We mark tx descriptors to receive a DESC interrupt
+	 * when a tx queue gets deep; otherwise waiting for the
+	 * EOL to reap descriptors.  Note that this is done to
+	 * reduce interrupt load and this only defers reaping
+	 * descriptors, never transmitting frames.  Aside from
+	 * reducing interrupts this also permits more concurrency.
+	 * The only potential downside is if the tx queue backs
+	 * up in which case the top half of the kernel may backup
+	 * due to a lack of tx descriptors.
+	 *
+	 * The UAPSD queue is an exception, since we take a desc-
+	 * based intr on the EOSP frames.
+	 */
+	qi.tqi_qflags = TXQ_FLAG_TXEOLINT_ENABLE |
+			TXQ_FLAG_TXDESCINT_ENABLE;
+
+	axq_qnum = ath9k_hw_setuptxqueue(ah, qtype, &qi);
+	if (axq_qnum == -1) {
+		/*
+		 * NB: don't print a message, this happens
+		 * normally on parts with too few tx queues
+		 */
+		return NULL;
+	}
+	if ((unsigned int)axq_qnum >= ARRAY_SIZE(sc->tx.txq)) {
+		DBG("ath9k: qnum %d out of range, max %zd!\n",
+			axq_qnum, ARRAY_SIZE(sc->tx.txq));
+		ath9k_hw_releasetxqueue(ah, axq_qnum);
+		return NULL;
+	}
+	if (!ATH_TXQ_SETUP(sc, axq_qnum)) {
+		struct ath_txq *txq = &sc->tx.txq[axq_qnum];
+
+		txq->axq_qnum = axq_qnum;
+		txq->mac80211_qnum = -1;
+		txq->axq_link = NULL;
+		INIT_LIST_HEAD(&txq->axq_q);
+		INIT_LIST_HEAD(&txq->axq_acq);
+		txq->axq_depth = 0;
+		txq->axq_ampdu_depth = 0;
+		txq->axq_tx_inprogress = 0;
+		sc->tx.txqsetup |= 1<<axq_qnum;
+
+		txq->txq_headidx = txq->txq_tailidx = 0;
+		for (i = 0; i < ATH_TXFIFO_DEPTH; i++)
+			INIT_LIST_HEAD(&txq->txq_fifo[i]);
+		INIT_LIST_HEAD(&txq->txq_fifo_pending);
+	}
+	return &sc->tx.txq[axq_qnum];
+}
+
+/*
+ * Drain a given TX queue (could be Beacon or Data)
+ *
+ * This assumes output has been stopped and
+ * we do not need to block ath_tx_tasklet.
+ */
+void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, int retry_tx __unused)
+{
+	struct ath_buf *bf, *lastbf __unused;
+	struct list_head bf_head;
+	struct ath_tx_status ts;
+
+	memset(&ts, 0, sizeof(ts));
+	INIT_LIST_HEAD(&bf_head);
+
+	for (;;) {
+		if (list_empty(&txq->axq_q)) {
+			txq->axq_link = NULL;
+			break;
+		}
+		bf = list_first_entry(&txq->axq_q, struct ath_buf,
+				      list);
+
+		if (bf->bf_stale) {
+			list_del(&bf->list);
+
+			ath_tx_return_buffer(sc, bf);
+			continue;
+		}
+
+		lastbf = bf->bf_lastbf;
+
+		list_cut_position(&bf_head, &txq->axq_q, &lastbf->list);
+
+		txq->axq_depth--;
+		ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
+	}
+
+	txq->axq_tx_inprogress = 0;
+}
+
+int ath_drain_all_txq(struct ath_softc *sc, int retry_tx)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_txq *txq;
+	int i, npend = 0;
+
+	if (sc->sc_flags & SC_OP_INVALID)
+		return 1;
+
+	ath9k_hw_abort_tx_dma(ah);
+
+	/* Check if any queue remains active */
+	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
+		if (!ATH_TXQ_SETUP(sc, i))
+			continue;
+
+		npend += ath9k_hw_numtxpending(ah, sc->tx.txq[i].axq_qnum);
+	}
+
+	if (npend)
+		DBG("ath9k: Failed to stop TX DMA!\n");
+
+	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
+		if (!ATH_TXQ_SETUP(sc, i))
+			continue;
+
+		/*
+		 * The caller will resume queues with ieee80211_wake_queues.
+		 * Mark the queue as not stopped to prevent ath_tx_complete
+		 * from waking the queue too early.
+		 */
+		txq = &sc->tx.txq[i];
+		txq->stopped = 0;
+		ath_draintxq(sc, txq, retry_tx);
+	}
+
+	return !npend;
+}
+
+void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq)
+{
+	ath9k_hw_releasetxqueue(sc->sc_ah, txq->axq_qnum);
+	sc->tx.txqsetup &= ~(1<<txq->axq_qnum);
+}
+
+/* For each axq_acq entry, for each tid, try to schedule packets
+ * for transmit until ampdu_depth has reached min Q depth.
+ */
+void ath_txq_schedule(struct ath_softc *sc __unused, struct ath_txq *txq)
+{
+	struct ath_atx_ac *ac, *ac_tmp, *last_ac;
+	struct ath_atx_tid *tid, *last_tid;
+
+	if (list_empty(&txq->axq_acq) ||
+	    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+		return;
+
+	ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
+	last_ac = list_entry(txq->axq_acq.prev, struct ath_atx_ac, list);
+
+	list_for_each_entry_safe(ac, ac_tmp, &txq->axq_acq, list) {
+		last_tid = list_entry(ac->tid_q.prev, struct ath_atx_tid, list);
+		list_del(&ac->list);
+		ac->sched = 0;
+
+		while (!list_empty(&ac->tid_q)) {
+			tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
+					       list);
+			list_del(&tid->list);
+			tid->sched = 0;
+
+			if (tid->paused)
+				continue;
+
+			/*
+			 * add tid to round-robin queue if more frames
+			 * are pending for the tid
+			 */
+			if (!list_empty(&tid->buf_q))
+				ath_tx_queue_tid(txq, tid);
+
+			if (tid == last_tid ||
+			    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+				break;
+		}
+
+		if (!list_empty(&ac->tid_q)) {
+			if (!ac->sched) {
+				ac->sched = 1;
+				list_add_tail(&ac->list, &txq->axq_acq);
+			}
+		}
+
+		if (ac == last_ac ||
+		    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+			return;
+	}
+}
+
+/***********/
+/* TX, DMA */
+/***********/
+
+/*
+ * Insert a chain of ath_buf (descriptors) on a txq and
+ * assume the descriptors are already chained together by caller.
+ */
+static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
+			     struct list_head *head)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_buf *bf;
+
+	/*
+	 * Insert the frame on the outbound list and
+	 * pass it on to the hardware.
+	 */
+
+	if (list_empty(head))
+		return;
+
+	bf = list_first_entry(head, struct ath_buf, list);
+
+	DBGIO("ath9k: "
+		"qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
+
+	list_splice_tail_init(head, &txq->axq_q);
+
+	if (txq->axq_link == NULL) {
+		ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
+		DBGIO("ath9k: TXDP[%d] = %llx (%p)\n",
+			txq->axq_qnum, ito64(bf->bf_daddr),
+			bf->bf_desc);
+	} else {
+		*txq->axq_link = bf->bf_daddr;
+		DBGIO("ath9k: "
+			"link[%d] (%p)=%llx (%p)\n",
+			txq->axq_qnum, txq->axq_link,
+			ito64(bf->bf_daddr), bf->bf_desc);
+	}
+	ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc,
+			       &txq->axq_link);
+	ath9k_hw_txstart(ah, txq->axq_qnum);
+
+	txq->axq_depth++;
+}
+
+static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
+			       struct ath_atx_tid *tid,
+			       struct list_head *bf_head)
+{
+	struct ath_buf *bf;
+
+	bf = list_first_entry(bf_head, struct ath_buf, list);
+	bf->bf_state.bf_type &= ~BUF_AMPDU;
+
+	/* update starting sequence number for subsequent ADDBA request */
+	if (tid)
+		INCR(tid->seq_start, IEEE80211_SEQ_MAX);
+
+	bf->bf_lastbf = bf;
+	ath_buf_set_rate(sc, bf, iob_len(bf->bf_mpdu) + FCS_LEN);
+	ath_tx_txqaddbuf(sc, txq, bf_head);
+}
+
+static enum ath9k_pkt_type get_hw_packet_type(struct io_buffer *iob)
+{
+	struct ieee80211_frame *hdr;
+	enum ath9k_pkt_type htype;
+	u16 fc;
+
+	hdr = (struct ieee80211_frame *)iob->data;
+	fc = hdr->fc;
+
+	if ((fc & (IEEE80211_FC_TYPE | IEEE80211_FC_SUBTYPE)) == (IEEE80211_TYPE_MGMT | IEEE80211_STYPE_BEACON))
+		htype = ATH9K_PKT_TYPE_BEACON;
+	else if ((fc & (IEEE80211_FC_TYPE | IEEE80211_FC_SUBTYPE)) == (IEEE80211_TYPE_MGMT | IEEE80211_STYPE_PROBE_RESP))
+		htype = ATH9K_PKT_TYPE_PROBE_RESP;
+	else
+		htype = ATH9K_PKT_TYPE_NORMAL;
+
+	return htype;
+}
+
+static int setup_tx_flags(struct io_buffer *iob __unused)
+{
+	int flags = 0;
+
+	flags |= ATH9K_TXDESC_INTREQ;
+
+	return flags;
+}
+
+u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath9k_channel *curchan = ah->curchan;
+	if ((sc->sc_flags & SC_OP_ENABLE_APM) &&
+			(curchan->channelFlags & CHANNEL_5GHZ) &&
+			(chainmask == 0x7) && (rate < 0x90))
+		return 0x3;
+	else
+		return chainmask;
+}
+
+static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
+{
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	struct ath9k_11n_rate_series series[4];
+	const struct ath9k_legacy_rate *rate;
+	int i, flags = 0;
+	u8 rix = 0, ctsrate = 0;
+	int is_pspoll;
+
+	memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
+
+	is_pspoll = 0;
+
+	/*
+	 * We check if Short Preamble is needed for the CTS rate by
+	 * checking the BSS's global flag.
+	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
+	 */
+	rate = &sc->rates[sc->hw_rix];
+	ctsrate = rate->hw_value;
+	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
+		ctsrate |= rate->hw_value_short;
+
+	for (i = 0; i < 4; i++) {
+		int is_40 __unused, is_sgi __unused, is_sp;
+		int phy;
+
+		rix = sc->hw_rix;
+		series[i].Tries = ATH_TXMAXTRY;
+
+		if (sc->sc_flags & SC_OP_PROTECT_ENABLE) {
+			series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+			flags |= ATH9K_TXDESC_CTSENA;
+		}
+
+		is_sp = !!(rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
+
+		/* legacy rates */
+		if ((sc->dev->channels + sc->dev->channel)->band == NET80211_BAND_2GHZ)
+			phy = CHANNEL_CCK;
+		else
+			phy = CHANNEL_OFDM;
+
+		series[i].Rate = rate->hw_value;
+		if (rate->hw_value_short && (sc->sc_flags & SC_OP_PREAMBLE_SHORT)) {
+			if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+				series[i].Rate |= rate->hw_value_short;
+		} else {
+			is_sp = 0;
+		}
+
+		if (bf->bf_state.bfs_paprd)
+			series[i].ChSel = common->tx_chainmask;
+		else
+			series[i].ChSel = ath_txchainmask_reduction(sc,
+					common->tx_chainmask, series[i].Rate);
+
+		series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
+			phy, rate->bitrate * 100, len, rix, is_sp);
+	}
+
+	/* For AR5416 - RTS cannot be followed by a frame larger than 8K */
+	if (bf_isaggr(bf) && (len > sc->sc_ah->caps.rts_aggr_limit))
+		flags &= ~ATH9K_TXDESC_RTSENA;
+
+	/* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
+	if (flags & ATH9K_TXDESC_RTSENA)
+		flags &= ~ATH9K_TXDESC_CTSENA;
+
+	/* set dur_update_en for l-sig computation except for PS-Poll frames */
+	ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
+				     bf->bf_lastbf->bf_desc,
+				     !is_pspoll, ctsrate,
+				     0, series, 4, flags);
+
+}
+
+static struct ath_buf *ath_tx_setup_buffer(struct net80211_device *dev,
+					   struct ath_txq *txq,
+					   struct io_buffer *iob)
+{
+	struct ath_softc *sc = dev->priv;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_buf *bf;
+	struct ath_desc *ds;
+	int frm_type;
+	static const enum ath9k_key_type net80211_keytype_to_ath[] = {
+			[NET80211_CRYPT_NONE] = ATH9K_KEY_TYPE_CLEAR,
+			[NET80211_CRYPT_WEP] = ATH9K_KEY_TYPE_WEP,
+			[NET80211_CRYPT_TKIP] = ATH9K_KEY_TYPE_TKIP,
+			[NET80211_CRYPT_CCMP] = ATH9K_KEY_TYPE_AES,
+			[NET80211_CRYPT_UNKNOWN] = ATH9K_KEY_TYPE_CLEAR,
+	};
+
+	bf = ath_tx_get_buffer(sc);
+	if (!bf) {
+		DBG("ath9k: TX buffers are full\n");
+		return NULL;
+	}
+
+	ATH_TXBUF_RESET(bf);
+
+	bf->bf_flags = setup_tx_flags(iob);
+	bf->bf_mpdu = iob;
+
+	bf->bf_buf_addr = virt_to_bus(iob->data);
+
+	frm_type = get_hw_packet_type(iob);
+
+	ds = bf->bf_desc;
+	ath9k_hw_set_desc_link(ah, ds, 0);
+
+	ath9k_hw_set11n_txdesc(ah, ds, iob_len(iob) + FCS_LEN, frm_type, MAX_RATE_POWER,
+			       ATH9K_TXKEYIX_INVALID, net80211_keytype_to_ath[dev->crypto->algorithm], bf->bf_flags);
+
+	ath9k_hw_filltxdesc(ah, ds,
+			    iob_len(iob),	/* segment length */
+			    1,		/* first segment */
+			    1,		/* last segment */
+			    ds,		/* first descriptor */
+			    bf->bf_buf_addr,
+			    txq->axq_qnum);
+
+
+	return bf;
+}
+
+/* FIXME: tx power */
+static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
+			     struct ath_tx_control *txctl)
+{
+	struct list_head bf_head;
+	struct ath_atx_tid *tid = NULL;
+
+	INIT_LIST_HEAD(&bf_head);
+	list_add_tail(&bf->list, &bf_head);
+
+	bf->bf_state.bfs_paprd = txctl->paprd;
+
+	if (txctl->paprd)
+		bf->bf_state.bfs_paprd_timestamp = ( currticks() * 1000 ) / TICKS_PER_SEC;
+
+	ath9k_hw_set_clrdmask(sc->sc_ah, bf->bf_desc, 1);
+
+	ath_tx_send_normal(sc, txctl->txq, tid, &bf_head);
+}
+
+/* Upon failure caller should free iob */
+int ath_tx_start(struct net80211_device *dev, struct io_buffer *iob,
+		 struct ath_tx_control *txctl)
+{
+	struct ath_softc *sc = dev->priv;
+	struct ath_txq *txq = txctl->txq;
+	struct ath_buf *bf;
+	int q;
+
+	/*
+	 * At this point, the vif, hw_key and sta pointers in the tx control
+	 * info are no longer valid (overwritten by the ath_frame_info data.
+	 */
+
+	bf = ath_tx_setup_buffer(dev, txctl->txq, iob);
+	if (!bf)
+		return -ENOMEM;
+
+	q = 0;
+	if (txq == sc->tx.txq_map[q] &&
+	    ++txq->pending_frames > ATH_MAX_QDEPTH && !txq->stopped) {
+		txq->stopped = 1;
+	}
+
+	ath_tx_start_dma(sc, bf, txctl);
+
+	return 0;
+}
+
+/*****************/
+/* TX Completion */
+/*****************/
+
+static void ath_tx_complete(struct ath_softc *sc, struct io_buffer *iob,
+			    int tx_flags __unused, struct ath_tx_status *ts, struct ath_txq *txq)
+{
+	struct net80211_device *dev = sc->dev;
+	int q, padpos __unused, padsize __unused;
+
+	DBGIO("ath9k: TX complete: iob: %p\n", iob);
+
+	q = 0;
+	if (txq == sc->tx.txq_map[q]) {
+		if (--txq->pending_frames < 0)
+			txq->pending_frames = 0;
+
+		if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
+			txq->stopped = 0;
+		}
+	}
+
+	net80211_tx_complete(dev, iob, ts->ts_longretry,
+			(ts->ts_status & ATH9K_TXERR_MASK) ? EIO : 0);
+}
+
+static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
+				struct ath_txq *txq, struct list_head *bf_q,
+				struct ath_tx_status *ts, int txok, int sendbar)
+{
+	struct io_buffer *iob = bf->bf_mpdu;
+	int tx_flags = 0;
+
+	if (sendbar)
+		tx_flags = ATH_TX_BAR;
+
+	if (!txok) {
+		tx_flags |= ATH_TX_ERROR;
+
+		if (bf_isxretried(bf))
+			tx_flags |= ATH_TX_XRETRY;
+	}
+
+	bf->bf_buf_addr = 0;
+
+	ath_tx_complete(sc, iob, tx_flags,
+			ts, txq);
+
+	/* At this point, iob (bf->bf_mpdu) is consumed...make sure we don't
+	 * accidentally reference it later.
+	 */
+	bf->bf_mpdu = NULL;
+
+	/*
+	 * Return the list of ath_buf of this mpdu to free queue
+	 */
+	list_splice_tail_init(bf_q, &sc->tx.txbuf);
+}
+
+static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_buf *bf, *lastbf, *bf_held = NULL;
+	struct list_head bf_head;
+	struct ath_desc *ds;
+	struct ath_tx_status ts;
+	int txok;
+	int status;
+
+	DBGIO("ath9k: tx queue %d (%x), link %p\n",
+		txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
+		txq->axq_link);
+
+	for (;;) {
+		if (list_empty(&txq->axq_q)) {
+			txq->axq_link = NULL;
+			if (sc->sc_flags & SC_OP_TXAGGR)
+				ath_txq_schedule(sc, txq);
+			break;
+		}
+		bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
+
+		/*
+		 * There is a race condition that a BH gets scheduled
+		 * after sw writes TxE and before hw re-load the last
+		 * descriptor to get the newly chained one.
+		 * Software must keep the last DONE descriptor as a
+		 * holding descriptor - software does so by marking
+		 * it with the STALE flag.
+		 */
+		bf_held = NULL;
+		if (bf->bf_stale) {
+			bf_held = bf;
+			if (list_is_last(&bf_held->list, &txq->axq_q)) {
+				break;
+			} else {
+				bf = list_entry(bf_held->list.next,
+						struct ath_buf, list);
+			}
+		}
+
+		lastbf = bf->bf_lastbf;
+		ds = lastbf->bf_desc;
+
+		memset(&ts, 0, sizeof(ts));
+		status = ath9k_hw_txprocdesc(ah, ds, &ts);
+		if (status == -EINPROGRESS) {
+			break;
+		}
+
+		/*
+		 * Remove ath_buf's of the same transmit unit from txq,
+		 * however leave the last descriptor back as the holding
+		 * descriptor for hw.
+		 */
+		lastbf->bf_stale = 1;
+		INIT_LIST_HEAD(&bf_head);
+		if (!list_is_singular(&lastbf->list))
+			list_cut_position(&bf_head,
+				&txq->axq_q, lastbf->list.prev);
+
+		txq->axq_depth--;
+		txok = !(ts.ts_status & ATH9K_TXERR_MASK);
+		txq->axq_tx_inprogress = 0;
+		if (bf_held)
+			list_del(&bf_held->list);
+
+		if (bf_held)
+			ath_tx_return_buffer(sc, bf_held);
+
+		/*
+		 * This frame is sent out as a single frame.
+		 * Use hardware retry status for this frame.
+		 */
+		if (ts.ts_status & ATH9K_TXERR_XRETRY)
+			bf->bf_state.bf_type |= BUF_XRETRY;
+
+		ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0);
+
+		if (sc->sc_flags & SC_OP_TXAGGR)
+			ath_txq_schedule(sc, txq);
+	}
+}
+
+static void ath_tx_complete_poll_work(struct ath_softc *sc)
+{
+	struct ath_txq *txq;
+	int i;
+	int needreset = 0;
+
+	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+		if (ATH_TXQ_SETUP(sc, i)) {
+			txq = &sc->tx.txq[i];
+			if (txq->axq_depth) {
+				if (txq->axq_tx_inprogress) {
+					needreset = 1;
+					break;
+				} else {
+					txq->axq_tx_inprogress = 1;
+				}
+			}
+		}
+
+	if (needreset) {
+		DBG("ath9k: "
+			"tx hung, resetting the chip\n");
+		ath_reset(sc, 1);
+	}
+
+	sc->tx_complete_work_timer = ( currticks() * 1000 ) / TICKS_PER_SEC + ATH_TX_COMPLETE_POLL_INT;
+}
+
+
+
+void ath_tx_tasklet(struct ath_softc *sc)
+{
+	int i;
+	u32 qcumask = ((1 << ATH9K_NUM_TX_QUEUES) - 1);
+
+	ath9k_hw_gettxintrtxqs(sc->sc_ah, &qcumask);
+
+	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
+		if (ATH_TXQ_SETUP(sc, i) && (qcumask & (1 << i)))
+			ath_tx_processq(sc, &sc->tx.txq[i]);
+	}
+}
+
+/*****************/
+/* Init, Cleanup */
+/*****************/
+
+int ath_tx_init(struct ath_softc *sc, int nbufs)
+{
+	int error = 0;
+
+	error = ath_descdma_setup(sc, &sc->tx.txdma, &sc->tx.txbuf,
+				  "tx", nbufs, 1, 1);
+	if (error != 0) {
+		DBG("ath9k: "
+			"Failed to allocate tx descriptors: %d\n", error);
+		goto err;
+	}
+
+	sc->tx_complete_work = ath_tx_complete_poll_work;
+
+err:
+	if (error != 0)
+		ath_tx_cleanup(sc);
+
+	return error;
+}
+
+void ath_tx_cleanup(struct ath_softc *sc)
+{
+	if (sc->tx.txdma.dd_desc_len != 0)
+		ath_descdma_cleanup(sc, &sc->tx.txdma, &sc->tx.txbuf);
+}

src/drivers/net/ath/ath9k/calib.h

@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef CALIB_H
+#define CALIB_H
+
+#include "hw.h"
+
+#define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT     3
+#define AR_PHY_CCA_FILTERWINDOW_LENGTH          5
+
+#define NUM_NF_READINGS       6
+#define ATH9K_NF_CAL_HIST_MAX 5
+
+struct ar5416IniArray {
+	u32 *ia_array;
+	u32 ia_rows;
+	u32 ia_columns;
+};
+
+#define INIT_INI_ARRAY(iniarray, array, rows, columns) do {	\
+		(iniarray)->ia_array = (u32 *)(array);		\
+		(iniarray)->ia_rows = (rows);			\
+		(iniarray)->ia_columns = (columns);		\
+	} while (0)
+
+#define INI_RA(iniarray, row, column) \
+	(((iniarray)->ia_array)[(row) *	((iniarray)->ia_columns) + (column)])
+
+#define INIT_CAL(_perCal) do {				\
+		(_perCal)->calState = CAL_WAITING;	\
+		(_perCal)->calNext = NULL;		\
+	} while (0)
+
+#define INSERT_CAL(_ahp, _perCal)					\
+	do {								\
+		if ((_ahp)->cal_list_last == NULL) {			\
+			(_ahp)->cal_list =				\
+				(_ahp)->cal_list_last = (_perCal);	\
+			((_ahp)->cal_list_last)->calNext = (_perCal); \
+		} else {						\
+			((_ahp)->cal_list_last)->calNext = (_perCal); \
+			(_ahp)->cal_list_last = (_perCal);		\
+			(_perCal)->calNext = (_ahp)->cal_list;	\
+		}							\
+	} while (0)
+
+enum ath9k_cal_state {
+	CAL_INACTIVE,
+	CAL_WAITING,
+	CAL_RUNNING,
+	CAL_DONE
+};
+
+#define MIN_CAL_SAMPLES     1
+#define MAX_CAL_SAMPLES    64
+#define INIT_LOG_COUNT      5
+#define PER_MIN_LOG_COUNT   2
+#define PER_MAX_LOG_COUNT  10
+
+struct ath9k_percal_data {
+	u32 calType;
+	u32 calNumSamples;
+	u32 calCountMax;
+	void (*calCollect) (struct ath_hw *);
+	void (*calPostProc) (struct ath_hw *, u8);
+};
+
+struct ath9k_cal_list {
+	const struct ath9k_percal_data *calData;
+	enum ath9k_cal_state calState;
+	struct ath9k_cal_list *calNext;
+};
+
+struct ath9k_nfcal_hist {
+	int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX];
+	u8 currIndex;
+	int16_t privNF;
+	u8 invalidNFcount;
+};
+
+#define MAX_PACAL_SKIPCOUNT 8
+struct ath9k_pacal_info{
+	int32_t prev_offset;	/* Previous value of PA offset value */
+	int8_t max_skipcount;	/* Max No. of times PACAL can be skipped */
+	int8_t skipcount;	/* No. of times the PACAL to be skipped */
+};
+
+int ath9k_hw_reset_calvalid(struct ath_hw *ah);
+void ath9k_hw_start_nfcal(struct ath_hw *ah, int update);
+void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
+int ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan);
+void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
+				  struct ath9k_channel *chan);
+void ath9k_hw_reset_calibration(struct ath_hw *ah,
+				struct ath9k_cal_list *currCal);
+
+
+#endif /* CALIB_H */

src/drivers/net/ath/ath9k/common.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2009-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "../ath.h"
+
+#include "hw.h"
+#include "hw-ops.h"
+
+/* Common header for Atheros 802.11n base driver cores */
+
+#define WME_NUM_TID             16
+#define WME_BA_BMP_SIZE         64
+#define WME_MAX_BA              WME_BA_BMP_SIZE
+#define ATH_TID_MAX_BUFS        (2 * WME_MAX_BA)
+
+#define WME_AC_BE   2
+#define WME_NUM_AC  1
+
+#define ATH_RSSI_DUMMY_MARKER   0x127
+#define ATH_RSSI_LPF_LEN 		10
+#define RSSI_LPF_THRESHOLD		-20
+#define ATH_RSSI_EP_MULTIPLIER     (1<<7)
+#define ATH_EP_MUL(x, mul)         ((x) * (mul))
+#define ATH_RSSI_IN(x)             (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
+#define ATH_LPF_RSSI(x, y, len) \
+    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
+#define ATH_RSSI_LPF(x, y) do {                     			\
+    if ((y) >= RSSI_LPF_THRESHOLD)                         		\
+	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);  	\
+} while (0)
+#define ATH_EP_RND(x, mul) 						\
+	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
+
+
+void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
+			       struct net80211_channel *chan);
+struct ath9k_channel *ath9k_cmn_get_curchannel(struct net80211_device *dev,
+					       struct ath_hw *ah);
+void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
+			    u16 new_txpow, u16 *txpower);

src/drivers/net/ath/ath9k/eeprom.h

@@ -0,0 +1,714 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef EEPROM_H
+#define EEPROM_H
+
+#define AR_EEPROM_MODAL_SPURS   5
+
+#include "../ath.h"
+#include "ar9003_eeprom.h"
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define AR5416_EEPROM_MAGIC 0x5aa5
+#else
+#define AR5416_EEPROM_MAGIC 0xa55a
+#endif
+
+#define CTRY_DEBUG   0x1ff
+#define	CTRY_DEFAULT 0
+
+#define AR_EEPROM_EEPCAP_COMPRESS_DIS   0x0001
+#define AR_EEPROM_EEPCAP_AES_DIS        0x0002
+#define AR_EEPROM_EEPCAP_FASTFRAME_DIS  0x0004
+#define AR_EEPROM_EEPCAP_BURST_DIS      0x0008
+#define AR_EEPROM_EEPCAP_MAXQCU         0x01F0
+#define AR_EEPROM_EEPCAP_MAXQCU_S       4
+#define AR_EEPROM_EEPCAP_HEAVY_CLIP_EN  0x0200
+#define AR_EEPROM_EEPCAP_KC_ENTRIES     0xF000
+#define AR_EEPROM_EEPCAP_KC_ENTRIES_S   12
+
+#define AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND   0x0040
+#define AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN    0x0080
+#define AR_EEPROM_EEREGCAP_EN_KK_U2         0x0100
+#define AR_EEPROM_EEREGCAP_EN_KK_MIDBAND    0x0200
+#define AR_EEPROM_EEREGCAP_EN_KK_U1_ODD     0x0400
+#define AR_EEPROM_EEREGCAP_EN_KK_NEW_11A    0x0800
+
+#define AR_EEPROM_EEREGCAP_EN_KK_U1_ODD_PRE4_0  0x4000
+#define AR_EEPROM_EEREGCAP_EN_KK_NEW_11A_PRE4_0 0x8000
+
+#define AR5416_EEPROM_MAGIC_OFFSET  0x0
+#define AR5416_EEPROM_S             2
+#define AR5416_EEPROM_OFFSET        0x2000
+#define AR5416_EEPROM_MAX           0xae0
+
+#define AR5416_EEPROM_START_ADDR \
+	(AR_SREV_9100(ah)) ? 0x1fff1000 : 0x503f1200
+
+#define SD_NO_CTL               0xE0
+#define NO_CTL                  0xff
+#define CTL_MODE_M              0xf
+#define CTL_11A                 0
+#define CTL_11B                 1
+#define CTL_11G                 2
+#define CTL_2GHT20              5
+#define CTL_5GHT20              6
+#define CTL_2GHT40              7
+#define CTL_5GHT40              8
+
+#define EXT_ADDITIVE (0x8000)
+#define CTL_11A_EXT (CTL_11A | EXT_ADDITIVE)
+#define CTL_11G_EXT (CTL_11G | EXT_ADDITIVE)
+#define CTL_11B_EXT (CTL_11B | EXT_ADDITIVE)
+
+#define SUB_NUM_CTL_MODES_AT_5G_40 2
+#define SUB_NUM_CTL_MODES_AT_2G_40 3
+
+#define INCREASE_MAXPOW_BY_TWO_CHAIN     6  /* 10*log10(2)*2 */
+#define INCREASE_MAXPOW_BY_THREE_CHAIN   10 /* 10*log10(3)*2 */
+
+/*
+ * For AR9285 and later chipsets, the following bits are not being programmed
+ * in EEPROM and so need to be enabled always.
+ *
+ * Bit 0: en_fcc_mid
+ * Bit 1: en_jap_mid
+ * Bit 2: en_fcc_dfs_ht40
+ * Bit 3: en_jap_ht40
+ * Bit 4: en_jap_dfs_ht40
+ */
+#define AR9285_RDEXT_DEFAULT    0x1F
+
+#define ATH9K_POW_SM(_r, _s)	(((_r) & 0x3f) << (_s))
+#define FREQ2FBIN(x, y)		((y) ? ((x) - 2300) : (((x) - 4800) / 5))
+#define ath9k_hw_use_flash(_ah)	(!(_ah->ah_flags & AH_USE_EEPROM))
+
+#define AR5416_VER_MASK (eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK)
+#define OLC_FOR_AR9280_20_LATER (AR_SREV_9280_20_OR_LATER(ah) && \
+				 ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+#define OLC_FOR_AR9287_10_LATER (AR_SREV_9287_11_OR_LATER(ah) && \
+				 ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+
+#define AR_EEPROM_RFSILENT_GPIO_SEL     0x001c
+#define AR_EEPROM_RFSILENT_GPIO_SEL_S   2
+#define AR_EEPROM_RFSILENT_POLARITY     0x0002
+#define AR_EEPROM_RFSILENT_POLARITY_S   1
+
+#define EEP_RFSILENT_ENABLED        0x0001
+#define EEP_RFSILENT_ENABLED_S      0
+#define EEP_RFSILENT_POLARITY       0x0002
+#define EEP_RFSILENT_POLARITY_S     1
+#define EEP_RFSILENT_GPIO_SEL       0x001c
+#define EEP_RFSILENT_GPIO_SEL_S     2
+
+#define AR5416_OPFLAGS_11A           0x01
+#define AR5416_OPFLAGS_11G           0x02
+#define AR5416_OPFLAGS_N_5G_HT40     0x04
+#define AR5416_OPFLAGS_N_2G_HT40     0x08
+#define AR5416_OPFLAGS_N_5G_HT20     0x10
+#define AR5416_OPFLAGS_N_2G_HT20     0x20
+
+#define AR5416_EEP_NO_BACK_VER       0x1
+#define AR5416_EEP_VER               0xE
+#define AR5416_EEP_VER_MINOR_MASK    0x0FFF
+#define AR5416_EEP_MINOR_VER_2       0x2
+#define AR5416_EEP_MINOR_VER_3       0x3
+#define AR5416_EEP_MINOR_VER_7       0x7
+#define AR5416_EEP_MINOR_VER_9       0x9
+#define AR5416_EEP_MINOR_VER_16      0x10
+#define AR5416_EEP_MINOR_VER_17      0x11
+#define AR5416_EEP_MINOR_VER_19      0x13
+#define AR5416_EEP_MINOR_VER_20      0x14
+#define AR5416_EEP_MINOR_VER_21      0x15
+#define AR5416_EEP_MINOR_VER_22      0x16
+
+#define AR5416_NUM_5G_CAL_PIERS         8
+#define AR5416_NUM_2G_CAL_PIERS         4
+#define AR5416_NUM_5G_20_TARGET_POWERS  8
+#define AR5416_NUM_5G_40_TARGET_POWERS  8
+#define AR5416_NUM_2G_CCK_TARGET_POWERS 3
+#define AR5416_NUM_2G_20_TARGET_POWERS  4
+#define AR5416_NUM_2G_40_TARGET_POWERS  4
+#define AR5416_NUM_CTLS                 24
+#define AR5416_NUM_BAND_EDGES           8
+#define AR5416_NUM_PD_GAINS             4
+#define AR5416_PD_GAINS_IN_MASK         4
+#define AR5416_PD_GAIN_ICEPTS           5
+#define AR5416_NUM_PDADC_VALUES         128
+#define AR5416_BCHAN_UNUSED             0xFF
+#define AR5416_MAX_PWR_RANGE_IN_HALF_DB 64
+#define AR5416_MAX_CHAINS               3
+#define AR9300_MAX_CHAINS		3
+#define AR5416_PWR_TABLE_OFFSET_DB     -5
+
+/* Rx gain type values */
+#define AR5416_EEP_RXGAIN_23DB_BACKOFF     0
+#define AR5416_EEP_RXGAIN_13DB_BACKOFF     1
+#define AR5416_EEP_RXGAIN_ORIG             2
+
+/* Tx gain type values */
+#define AR5416_EEP_TXGAIN_ORIGINAL         0
+#define AR5416_EEP_TXGAIN_HIGH_POWER       1
+
+#define AR5416_EEP4K_START_LOC                64
+#define AR5416_EEP4K_NUM_2G_CAL_PIERS         3
+#define AR5416_EEP4K_NUM_2G_CCK_TARGET_POWERS 3
+#define AR5416_EEP4K_NUM_2G_20_TARGET_POWERS  3
+#define AR5416_EEP4K_NUM_2G_40_TARGET_POWERS  3
+#define AR5416_EEP4K_NUM_CTLS                 12
+#define AR5416_EEP4K_NUM_BAND_EDGES           4
+#define AR5416_EEP4K_NUM_PD_GAINS             2
+#define AR5416_EEP4K_MAX_CHAINS               1
+
+#define AR9280_TX_GAIN_TABLE_SIZE 22
+
+#define AR9287_EEP_VER               0xE
+#define AR9287_EEP_VER_MINOR_MASK    0xFFF
+#define AR9287_EEP_MINOR_VER_1       0x1
+#define AR9287_EEP_MINOR_VER_2       0x2
+#define AR9287_EEP_MINOR_VER_3       0x3
+#define AR9287_EEP_MINOR_VER         AR9287_EEP_MINOR_VER_3
+#define AR9287_EEP_MINOR_VER_b       AR9287_EEP_MINOR_VER
+#define AR9287_EEP_NO_BACK_VER       AR9287_EEP_MINOR_VER_1
+
+#define AR9287_EEP_START_LOC            128
+#define AR9287_HTC_EEP_START_LOC        256
+#define AR9287_NUM_2G_CAL_PIERS         3
+#define AR9287_NUM_2G_CCK_TARGET_POWERS 3
+#define AR9287_NUM_2G_20_TARGET_POWERS  3
+#define AR9287_NUM_2G_40_TARGET_POWERS  3
+#define AR9287_NUM_CTLS              	12
+#define AR9287_NUM_BAND_EDGES        	4
+#define AR9287_PD_GAIN_ICEPTS           1
+#define AR9287_EEPMISC_BIG_ENDIAN       0x01
+#define AR9287_EEPMISC_WOW              0x02
+#define AR9287_MAX_CHAINS               2
+#define AR9287_ANT_16S                  32
+
+#define AR9287_DATA_SZ                  32
+
+#define AR9287_PWR_TABLE_OFFSET_DB  -5
+
+#define AR9287_CHECKSUM_LOCATION (AR9287_EEP_START_LOC + 1)
+
+#define CTL_EDGE_TPOWER(_ctl) ((_ctl) & 0x3f)
+#define CTL_EDGE_FLAGS(_ctl) (((_ctl) >> 6) & 0x03)
+
+#define LNA_CTL_BUF_MODE	BIT(0)
+#define LNA_CTL_ISEL_LO		BIT(1)
+#define LNA_CTL_ISEL_HI		BIT(2)
+#define LNA_CTL_BUF_IN		BIT(3)
+#define LNA_CTL_FEM_BAND	BIT(4)
+#define LNA_CTL_LOCAL_BIAS	BIT(5)
+#define LNA_CTL_FORCE_XPA	BIT(6)
+#define LNA_CTL_USE_ANT1	BIT(7)
+
+enum eeprom_param {
+	EEP_NFTHRESH_5,
+	EEP_NFTHRESH_2,
+	EEP_MAC_MSW,
+	EEP_MAC_MID,
+	EEP_MAC_LSW,
+	EEP_REG_0,
+	EEP_REG_1,
+	EEP_OP_CAP,
+	EEP_OP_MODE,
+	EEP_RF_SILENT,
+	EEP_OB_5,
+	EEP_DB_5,
+	EEP_OB_2,
+	EEP_DB_2,
+	EEP_MINOR_REV,
+	EEP_TX_MASK,
+	EEP_RX_MASK,
+	EEP_FSTCLK_5G,
+	EEP_RXGAIN_TYPE,
+	EEP_OL_PWRCTRL,
+	EEP_TXGAIN_TYPE,
+	EEP_RC_CHAIN_MASK,
+	EEP_DAC_HPWR_5G,
+	EEP_FRAC_N_5G,
+	EEP_DEV_TYPE,
+	EEP_TEMPSENSE_SLOPE,
+	EEP_TEMPSENSE_SLOPE_PAL_ON,
+	EEP_PWR_TABLE_OFFSET,
+	EEP_DRIVE_STRENGTH,
+	EEP_INTERNAL_REGULATOR,
+	EEP_SWREG,
+	EEP_PAPRD,
+	EEP_MODAL_VER,
+	EEP_ANT_DIV_CTL1,
+	EEP_CHAIN_MASK_REDUCE
+};
+
+enum ar5416_rates {
+	rate6mb, rate9mb, rate12mb, rate18mb,
+	rate24mb, rate36mb, rate48mb, rate54mb,
+	rate1l, rate2l, rate2s, rate5_5l,
+	rate5_5s, rate11l, rate11s, rateXr,
+	rateHt20_0, rateHt20_1, rateHt20_2, rateHt20_3,
+	rateHt20_4, rateHt20_5, rateHt20_6, rateHt20_7,
+	rateHt40_0, rateHt40_1, rateHt40_2, rateHt40_3,
+	rateHt40_4, rateHt40_5, rateHt40_6, rateHt40_7,
+	rateDupCck, rateDupOfdm, rateExtCck, rateExtOfdm,
+	Ar5416RateSize
+};
+
+enum ath9k_hal_freq_band {
+	ATH9K_HAL_FREQ_BAND_5GHZ = 0,
+	ATH9K_HAL_FREQ_BAND_2GHZ = 1
+};
+
+struct base_eep_header {
+	u16 length;
+	u16 checksum;
+	u16 version;
+	u8 opCapFlags;
+	u8 eepMisc;
+	u16 regDmn[2];
+	u8 macAddr[6];
+	u8 rxMask;
+	u8 txMask;
+	u16 rfSilent;
+	u16 blueToothOptions;
+	u16 deviceCap;
+	u32 binBuildNumber;
+	u8 deviceType;
+	u8 pwdclkind;
+	u8 fastClk5g;
+	u8 divChain;
+	u8 rxGainType;
+	u8 dacHiPwrMode_5G;
+	u8 openLoopPwrCntl;
+	u8 dacLpMode;
+	u8 txGainType;
+	u8 rcChainMask;
+	u8 desiredScaleCCK;
+	u8 pwr_table_offset;
+	u8 frac_n_5g;
+	u8 futureBase_3[21];
+} __attribute__((packed));
+
+struct base_eep_header_4k {
+	u16 length;
+	u16 checksum;
+	u16 version;
+	u8 opCapFlags;
+	u8 eepMisc;
+	u16 regDmn[2];
+	u8 macAddr[6];
+	u8 rxMask;
+	u8 txMask;
+	u16 rfSilent;
+	u16 blueToothOptions;
+	u16 deviceCap;
+	u32 binBuildNumber;
+	u8 deviceType;
+	u8 txGainType;
+} __attribute__((packed));
+
+
+struct spur_chan {
+	u16 spurChan;
+	u8 spurRangeLow;
+	u8 spurRangeHigh;
+} __attribute__((packed));
+
+struct modal_eep_header {
+	u32 antCtrlChain[AR5416_MAX_CHAINS];
+	u32 antCtrlCommon;
+	u8 antennaGainCh[AR5416_MAX_CHAINS];
+	u8 switchSettling;
+	u8 txRxAttenCh[AR5416_MAX_CHAINS];
+	u8 rxTxMarginCh[AR5416_MAX_CHAINS];
+	u8 adcDesiredSize;
+	u8 pgaDesiredSize;
+	u8 xlnaGainCh[AR5416_MAX_CHAINS];
+	u8 txEndToXpaOff;
+	u8 txEndToRxOn;
+	u8 txFrameToXpaOn;
+	u8 thresh62;
+	u8 noiseFloorThreshCh[AR5416_MAX_CHAINS];
+	u8 xpdGain;
+	u8 xpd;
+	u8 iqCalICh[AR5416_MAX_CHAINS];
+	u8 iqCalQCh[AR5416_MAX_CHAINS];
+	u8 pdGainOverlap;
+	u8 ob;
+	u8 db;
+	u8 xpaBiasLvl;
+	u8 pwrDecreaseFor2Chain;
+	u8 pwrDecreaseFor3Chain;
+	u8 txFrameToDataStart;
+	u8 txFrameToPaOn;
+	u8 ht40PowerIncForPdadc;
+	u8 bswAtten[AR5416_MAX_CHAINS];
+	u8 bswMargin[AR5416_MAX_CHAINS];
+	u8 swSettleHt40;
+	u8 xatten2Db[AR5416_MAX_CHAINS];
+	u8 xatten2Margin[AR5416_MAX_CHAINS];
+	u8 ob_ch1;
+	u8 db_ch1;
+	u8 lna_ctl;
+	u8 miscBits;
+	u16 xpaBiasLvlFreq[3];
+	u8 futureModal[6];
+
+	struct spur_chan spurChans[AR_EEPROM_MODAL_SPURS];
+} __attribute__((packed));
+
+struct calDataPerFreqOpLoop {
+	u8 pwrPdg[2][5];
+	u8 vpdPdg[2][5];
+	u8 pcdac[2][5];
+	u8 empty[2][5];
+} __attribute__((packed));
+
+struct modal_eep_4k_header {
+	u32 antCtrlChain[AR5416_EEP4K_MAX_CHAINS];
+	u32 antCtrlCommon;
+	u8 antennaGainCh[AR5416_EEP4K_MAX_CHAINS];
+	u8 switchSettling;
+	u8 txRxAttenCh[AR5416_EEP4K_MAX_CHAINS];
+	u8 rxTxMarginCh[AR5416_EEP4K_MAX_CHAINS];
+	u8 adcDesiredSize;
+	u8 pgaDesiredSize;
+	u8 xlnaGainCh[AR5416_EEP4K_MAX_CHAINS];
+	u8 txEndToXpaOff;
+	u8 txEndToRxOn;
+	u8 txFrameToXpaOn;
+	u8 thresh62;
+	u8 noiseFloorThreshCh[AR5416_EEP4K_MAX_CHAINS];
+	u8 xpdGain;
+	u8 xpd;
+	u8 iqCalICh[AR5416_EEP4K_MAX_CHAINS];
+	u8 iqCalQCh[AR5416_EEP4K_MAX_CHAINS];
+	u8 pdGainOverlap;
+#ifdef __BIG_ENDIAN_BITFIELD
+	u8 ob_1:4, ob_0:4;
+	u8 db1_1:4, db1_0:4;
+#else
+	u8 ob_0:4, ob_1:4;
+	u8 db1_0:4, db1_1:4;
+#endif
+	u8 xpaBiasLvl;
+	u8 txFrameToDataStart;
+	u8 txFrameToPaOn;
+	u8 ht40PowerIncForPdadc;
+	u8 bswAtten[AR5416_EEP4K_MAX_CHAINS];
+	u8 bswMargin[AR5416_EEP4K_MAX_CHAINS];
+	u8 swSettleHt40;
+	u8 xatten2Db[AR5416_EEP4K_MAX_CHAINS];
+	u8 xatten2Margin[AR5416_EEP4K_MAX_CHAINS];
+#ifdef __BIG_ENDIAN_BITFIELD
+	u8 db2_1:4, db2_0:4;
+#else
+	u8 db2_0:4, db2_1:4;
+#endif
+	u8 version;
+#ifdef __BIG_ENDIAN_BITFIELD
+	u8 ob_3:4, ob_2:4;
+	u8 antdiv_ctl1:4, ob_4:4;
+	u8 db1_3:4, db1_2:4;
+	u8 antdiv_ctl2:4, db1_4:4;
+	u8 db2_2:4, db2_3:4;
+	u8 reserved:4, db2_4:4;
+#else
+	u8 ob_2:4, ob_3:4;
+	u8 ob_4:4, antdiv_ctl1:4;
+	u8 db1_2:4, db1_3:4;
+	u8 db1_4:4, antdiv_ctl2:4;
+	u8 db2_2:4, db2_3:4;
+	u8 db2_4:4, reserved:4;
+#endif
+	u8 tx_diversity;
+	u8 flc_pwr_thresh;
+	u8 bb_scale_smrt_antenna;
+#define EEP_4K_BB_DESIRED_SCALE_MASK	0x1f
+	u8 futureModal[1];
+	struct spur_chan spurChans[AR_EEPROM_MODAL_SPURS];
+} __attribute__((packed));
+
+struct base_eep_ar9287_header {
+	u16 length;
+	u16 checksum;
+	u16 version;
+	u8 opCapFlags;
+	u8 eepMisc;
+	u16 regDmn[2];
+	u8 macAddr[6];
+	u8 rxMask;
+	u8 txMask;
+	u16 rfSilent;
+	u16 blueToothOptions;
+	u16 deviceCap;
+	u32 binBuildNumber;
+	u8 deviceType;
+	u8 openLoopPwrCntl;
+	int8_t pwrTableOffset;
+	int8_t tempSensSlope;
+	int8_t tempSensSlopePalOn;
+	u8 futureBase[29];
+} __attribute__((packed));
+
+struct modal_eep_ar9287_header {
+	u32 antCtrlChain[AR9287_MAX_CHAINS];
+	u32 antCtrlCommon;
+	int8_t antennaGainCh[AR9287_MAX_CHAINS];
+	u8 switchSettling;
+	u8 txRxAttenCh[AR9287_MAX_CHAINS];
+	u8 rxTxMarginCh[AR9287_MAX_CHAINS];
+	int8_t adcDesiredSize;
+	u8 txEndToXpaOff;
+	u8 txEndToRxOn;
+	u8 txFrameToXpaOn;
+	u8 thresh62;
+	int8_t noiseFloorThreshCh[AR9287_MAX_CHAINS];
+	u8 xpdGain;
+	u8 xpd;
+	int8_t iqCalICh[AR9287_MAX_CHAINS];
+	int8_t iqCalQCh[AR9287_MAX_CHAINS];
+	u8 pdGainOverlap;
+	u8 xpaBiasLvl;
+	u8 txFrameToDataStart;
+	u8 txFrameToPaOn;
+	u8 ht40PowerIncForPdadc;
+	u8 bswAtten[AR9287_MAX_CHAINS];
+	u8 bswMargin[AR9287_MAX_CHAINS];
+	u8 swSettleHt40;
+	u8 version;
+	u8 db1;
+	u8 db2;
+	u8 ob_cck;
+	u8 ob_psk;
+	u8 ob_qam;
+	u8 ob_pal_off;
+	u8 futureModal[30];
+	struct spur_chan spurChans[AR_EEPROM_MODAL_SPURS];
+} __attribute__((packed));
+
+struct cal_data_per_freq {
+	u8 pwrPdg[AR5416_NUM_PD_GAINS][AR5416_PD_GAIN_ICEPTS];
+	u8 vpdPdg[AR5416_NUM_PD_GAINS][AR5416_PD_GAIN_ICEPTS];
+} __attribute__((packed));
+
+struct cal_data_per_freq_4k {
+	u8 pwrPdg[AR5416_EEP4K_NUM_PD_GAINS][AR5416_PD_GAIN_ICEPTS];
+	u8 vpdPdg[AR5416_EEP4K_NUM_PD_GAINS][AR5416_PD_GAIN_ICEPTS];
+} __attribute__((packed));
+
+struct cal_target_power_leg {
+	u8 bChannel;
+	u8 tPow2x[4];
+} __attribute__((packed));
+
+struct cal_target_power_ht {
+	u8 bChannel;
+	u8 tPow2x[8];
+} __attribute__((packed));
+
+struct cal_ctl_edges {
+	u8 bChannel;
+	u8 ctl;
+} __attribute__((packed));
+
+struct cal_data_op_loop_ar9287 {
+	u8 pwrPdg[2][5];
+	u8 vpdPdg[2][5];
+	u8 pcdac[2][5];
+	u8 empty[2][5];
+} __attribute__((packed));
+
+struct cal_data_per_freq_ar9287 {
+	u8 pwrPdg[AR5416_NUM_PD_GAINS][AR9287_PD_GAIN_ICEPTS];
+	u8 vpdPdg[AR5416_NUM_PD_GAINS][AR9287_PD_GAIN_ICEPTS];
+} __attribute__((packed));
+
+union cal_data_per_freq_ar9287_u {
+	struct cal_data_op_loop_ar9287 calDataOpen;
+	struct cal_data_per_freq_ar9287 calDataClose;
+} __attribute__((packed));
+
+struct cal_ctl_data_ar9287 {
+	struct cal_ctl_edges
+	ctlEdges[AR9287_MAX_CHAINS][AR9287_NUM_BAND_EDGES];
+} __attribute__((packed));
+
+struct cal_ctl_data {
+	struct cal_ctl_edges
+	ctlEdges[AR5416_MAX_CHAINS][AR5416_NUM_BAND_EDGES];
+} __attribute__((packed));
+
+struct cal_ctl_data_4k {
+	struct cal_ctl_edges
+	ctlEdges[AR5416_EEP4K_MAX_CHAINS][AR5416_EEP4K_NUM_BAND_EDGES];
+} __attribute__((packed));
+
+struct ar5416_eeprom_def {
+	struct base_eep_header baseEepHeader;
+	u8 custData[64];
+	struct modal_eep_header modalHeader[2];
+	u8 calFreqPier5G[AR5416_NUM_5G_CAL_PIERS];
+	u8 calFreqPier2G[AR5416_NUM_2G_CAL_PIERS];
+	struct cal_data_per_freq
+	 calPierData5G[AR5416_MAX_CHAINS][AR5416_NUM_5G_CAL_PIERS];
+	struct cal_data_per_freq
+	 calPierData2G[AR5416_MAX_CHAINS][AR5416_NUM_2G_CAL_PIERS];
+	struct cal_target_power_leg
+	 calTargetPower5G[AR5416_NUM_5G_20_TARGET_POWERS];
+	struct cal_target_power_ht
+	 calTargetPower5GHT20[AR5416_NUM_5G_20_TARGET_POWERS];
+	struct cal_target_power_ht
+	 calTargetPower5GHT40[AR5416_NUM_5G_40_TARGET_POWERS];
+	struct cal_target_power_leg
+	 calTargetPowerCck[AR5416_NUM_2G_CCK_TARGET_POWERS];
+	struct cal_target_power_leg
+	 calTargetPower2G[AR5416_NUM_2G_20_TARGET_POWERS];
+	struct cal_target_power_ht
+	 calTargetPower2GHT20[AR5416_NUM_2G_20_TARGET_POWERS];
+	struct cal_target_power_ht
+	 calTargetPower2GHT40[AR5416_NUM_2G_40_TARGET_POWERS];
+	u8 ctlIndex[AR5416_NUM_CTLS];
+	struct cal_ctl_data ctlData[AR5416_NUM_CTLS];
+	u8 padding;
+} __attribute__((packed));
+
+struct ar5416_eeprom_4k {
+	struct base_eep_header_4k baseEepHeader;
+	u8 custData[20];
+	struct modal_eep_4k_header modalHeader;
+	u8 calFreqPier2G[AR5416_EEP4K_NUM_2G_CAL_PIERS];
+	struct cal_data_per_freq_4k
+	calPierData2G[AR5416_EEP4K_MAX_CHAINS][AR5416_EEP4K_NUM_2G_CAL_PIERS];
+	struct cal_target_power_leg
+	calTargetPowerCck[AR5416_EEP4K_NUM_2G_CCK_TARGET_POWERS];
+	struct cal_target_power_leg
+	calTargetPower2G[AR5416_EEP4K_NUM_2G_20_TARGET_POWERS];
+	struct cal_target_power_ht
+	calTargetPower2GHT20[AR5416_EEP4K_NUM_2G_20_TARGET_POWERS];
+	struct cal_target_power_ht
+	calTargetPower2GHT40[AR5416_EEP4K_NUM_2G_40_TARGET_POWERS];
+	u8 ctlIndex[AR5416_EEP4K_NUM_CTLS];
+	struct cal_ctl_data_4k ctlData[AR5416_EEP4K_NUM_CTLS];
+	u8 padding;
+} __attribute__((packed));
+
+struct ar9287_eeprom {
+	struct base_eep_ar9287_header baseEepHeader;
+	u8 custData[AR9287_DATA_SZ];
+	struct modal_eep_ar9287_header modalHeader;
+	u8 calFreqPier2G[AR9287_NUM_2G_CAL_PIERS];
+	union cal_data_per_freq_ar9287_u
+	calPierData2G[AR9287_MAX_CHAINS][AR9287_NUM_2G_CAL_PIERS];
+	struct cal_target_power_leg
+	calTargetPowerCck[AR9287_NUM_2G_CCK_TARGET_POWERS];
+	struct cal_target_power_leg
+	calTargetPower2G[AR9287_NUM_2G_20_TARGET_POWERS];
+	struct cal_target_power_ht
+	calTargetPower2GHT20[AR9287_NUM_2G_20_TARGET_POWERS];
+	struct cal_target_power_ht
+	calTargetPower2GHT40[AR9287_NUM_2G_40_TARGET_POWERS];
+	u8 ctlIndex[AR9287_NUM_CTLS];
+	struct cal_ctl_data_ar9287 ctlData[AR9287_NUM_CTLS];
+	u8 padding;
+} __attribute__((packed));
+
+enum reg_ext_bitmap {
+	REG_EXT_FCC_MIDBAND = 0,
+	REG_EXT_JAPAN_MIDBAND = 1,
+	REG_EXT_FCC_DFS_HT40 = 2,
+	REG_EXT_JAPAN_NONDFS_HT40 = 3,
+	REG_EXT_JAPAN_DFS_HT40 = 4
+};
+
+struct ath9k_country_entry {
+	u16 countryCode;
+	u16 regDmnEnum;
+	u16 regDmn5G;
+	u16 regDmn2G;
+	u8 isMultidomain;
+	u8 iso[3];
+};
+
+struct eeprom_ops {
+	int (*check_eeprom)(struct ath_hw *hw);
+	u32 (*get_eeprom)(struct ath_hw *hw, enum eeprom_param param);
+	int (*fill_eeprom)(struct ath_hw *hw);
+	int (*get_eeprom_ver)(struct ath_hw *hw);
+	int (*get_eeprom_rev)(struct ath_hw *hw);
+	void (*set_board_values)(struct ath_hw *hw, struct ath9k_channel *chan);
+	void (*set_addac)(struct ath_hw *hw, struct ath9k_channel *chan);
+	void (*set_txpower)(struct ath_hw *hw, struct ath9k_channel *chan,
+			   u16 cfgCtl, u8 twiceAntennaReduction,
+			   u8 twiceMaxRegulatoryPower, u8 powerLimit,
+			   int test);
+	u16 (*get_spur_channel)(struct ath_hw *ah, u16 i, int is2GHz);
+};
+
+void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val);
+void ath9k_hw_analog_shift_rmw(struct ath_hw *ah, u32 reg, u32 mask,
+			       u32 shift, u32 val);
+int16_t ath9k_hw_interpolate(u16 target, u16 srcLeft, u16 srcRight,
+			     int16_t targetLeft,
+			     int16_t targetRight);
+int ath9k_hw_get_lower_upper_index(u8 target, u8 *pList, u16 listSize,
+				    u16 *indexL, u16 *indexR);
+int ath9k_hw_nvram_read(struct ath_common *common, u32 off, u16 *data);
+void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
+				  int eep_start_loc, int size);
+void ath9k_hw_fill_vpd_table(u8 pwrMin, u8 pwrMax, u8 *pPwrList,
+			     u8 *pVpdList, u16 numIntercepts,
+			     u8 *pRetVpdList);
+void ath9k_hw_get_legacy_target_powers(struct ath_hw *ah,
+				       struct ath9k_channel *chan,
+				       struct cal_target_power_leg *powInfo,
+				       u16 numChannels,
+				       struct cal_target_power_leg *pNewPower,
+				       u16 numRates, int isExtTarget);
+void ath9k_hw_get_target_powers(struct ath_hw *ah,
+				struct ath9k_channel *chan,
+				struct cal_target_power_ht *powInfo,
+				u16 numChannels,
+				struct cal_target_power_ht *pNewPower,
+				u16 numRates, int isHt40Target);
+u16 ath9k_hw_get_max_edge_power(u16 freq, struct cal_ctl_edges *pRdEdgesPower,
+				int is2GHz, int num_band_edges);
+void ath9k_hw_update_regulatory_maxpower(struct ath_hw *ah);
+int ath9k_hw_eeprom_init(struct ath_hw *ah);
+
+void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
+				struct ath9k_channel *chan,
+				void *pRawDataSet,
+				u8 *bChans, u16 availPiers,
+				u16 tPdGainOverlap,
+				u16 *pPdGainBoundaries, u8 *pPDADCValues,
+				u16 numXpdGains);
+
+#define ar5416_get_ntxchains(_txchainmask)			\
+	(((_txchainmask >> 2) & 1) +                            \
+	 ((_txchainmask >> 1) & 1) + (_txchainmask & 1))
+
+extern const struct eeprom_ops eep_def_ops;
+extern const struct eeprom_ops eep_4k_ops;
+extern const struct eeprom_ops eep_ar9287_ops;
+extern const struct eeprom_ops eep_ar9287_ops;
+extern const struct eeprom_ops eep_ar9300_ops;
+
+#endif /* EEPROM_H */

src/drivers/net/ath/ath9k/hw-ops.h

@@ -0,0 +1,268 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ATH9K_HW_OPS_H
+#define ATH9K_HW_OPS_H
+
+#include "hw.h"
+
+/* Hardware core and driver accessible callbacks */
+
+static inline void ath9k_hw_configpcipowersave(struct ath_hw *ah,
+					       int restore,
+					       int power_off)
+{
+	ath9k_hw_ops(ah)->config_pci_powersave(ah, restore, power_off);
+}
+
+static inline void ath9k_hw_rxena(struct ath_hw *ah)
+{
+	ath9k_hw_ops(ah)->rx_enable(ah);
+}
+
+static inline void ath9k_hw_set_desc_link(struct ath_hw *ah, void *ds,
+					  u32 link)
+{
+	ath9k_hw_ops(ah)->set_desc_link(ds, link);
+}
+
+static inline void ath9k_hw_get_desc_link(struct ath_hw *ah, void *ds,
+					  u32 **link)
+{
+	ath9k_hw_ops(ah)->get_desc_link(ds, link);
+}
+static inline int ath9k_hw_calibrate(struct ath_hw *ah,
+				      struct ath9k_channel *chan,
+				      u8 rxchainmask,
+				      int longcal)
+{
+	return ath9k_hw_ops(ah)->calibrate(ah, chan, rxchainmask, longcal);
+}
+
+static inline int ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
+{
+	return ath9k_hw_ops(ah)->get_isr(ah, masked);
+}
+
+static inline void ath9k_hw_filltxdesc(struct ath_hw *ah, void *ds, u32 seglen,
+				  int is_firstseg, int is_lastseg,
+				  const void *ds0, u32 buf_addr,
+				  unsigned int qcu)
+{
+	ath9k_hw_ops(ah)->fill_txdesc(ah, ds, seglen, is_firstseg, is_lastseg,
+				      ds0, buf_addr, qcu);
+}
+
+static inline int ath9k_hw_txprocdesc(struct ath_hw *ah, void *ds,
+				      struct ath_tx_status *ts)
+{
+	return ath9k_hw_ops(ah)->proc_txdesc(ah, ds, ts);
+}
+
+static inline void ath9k_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
+					  u32 pktLen, enum ath9k_pkt_type type,
+					  u32 txPower, u32 keyIx,
+					  enum ath9k_key_type keyType,
+					  u32 flags)
+{
+	ath9k_hw_ops(ah)->set11n_txdesc(ah, ds, pktLen, type, txPower, keyIx,
+				      keyType, flags);
+}
+
+static inline void ath9k_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
+					void *lastds,
+					u32 durUpdateEn, u32 rtsctsRate,
+					u32 rtsctsDuration,
+					struct ath9k_11n_rate_series series[],
+					u32 nseries, u32 flags)
+{
+	ath9k_hw_ops(ah)->set11n_ratescenario(ah, ds, lastds, durUpdateEn,
+					    rtsctsRate, rtsctsDuration, series,
+					    nseries, flags);
+}
+
+static inline void ath9k_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
+					u32 aggrLen)
+{
+	ath9k_hw_ops(ah)->set11n_aggr_first(ah, ds, aggrLen);
+}
+
+static inline void ath9k_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
+					       u32 numDelims)
+{
+	ath9k_hw_ops(ah)->set11n_aggr_middle(ah, ds, numDelims);
+}
+
+static inline void ath9k_hw_set11n_aggr_last(struct ath_hw *ah, void *ds)
+{
+	ath9k_hw_ops(ah)->set11n_aggr_last(ah, ds);
+}
+
+static inline void ath9k_hw_clr11n_aggr(struct ath_hw *ah, void *ds)
+{
+	ath9k_hw_ops(ah)->clr11n_aggr(ah, ds);
+}
+
+static inline void ath9k_hw_set_clrdmask(struct ath_hw *ah, void *ds, int val)
+{
+	ath9k_hw_ops(ah)->set_clrdmask(ah, ds, val);
+}
+
+static inline void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
+		struct ath_hw_antcomb_conf *antconf)
+{
+	ath9k_hw_ops(ah)->antdiv_comb_conf_get(ah, antconf);
+}
+
+static inline void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah,
+		struct ath_hw_antcomb_conf *antconf)
+{
+	ath9k_hw_ops(ah)->antdiv_comb_conf_set(ah, antconf);
+}
+
+/* Private hardware call ops */
+
+/* PHY ops */
+
+static inline int ath9k_hw_rf_set_freq(struct ath_hw *ah,
+				       struct ath9k_channel *chan)
+{
+	return ath9k_hw_private_ops(ah)->rf_set_freq(ah, chan);
+}
+
+static inline void ath9k_hw_spur_mitigate_freq(struct ath_hw *ah,
+					       struct ath9k_channel *chan)
+{
+	ath9k_hw_private_ops(ah)->spur_mitigate_freq(ah, chan);
+}
+
+static inline int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah)
+{
+	if (!ath9k_hw_private_ops(ah)->rf_alloc_ext_banks)
+		return 0;
+
+	return ath9k_hw_private_ops(ah)->rf_alloc_ext_banks(ah);
+}
+
+static inline void ath9k_hw_rf_free_ext_banks(struct ath_hw *ah)
+{
+	if (!ath9k_hw_private_ops(ah)->rf_free_ext_banks)
+		return;
+
+	ath9k_hw_private_ops(ah)->rf_free_ext_banks(ah);
+}
+
+static inline int ath9k_hw_set_rf_regs(struct ath_hw *ah,
+					struct ath9k_channel *chan,
+					u16 modesIndex)
+{
+	if (!ath9k_hw_private_ops(ah)->set_rf_regs)
+		return 1;
+
+	return ath9k_hw_private_ops(ah)->set_rf_regs(ah, chan, modesIndex);
+}
+
+static inline void ath9k_hw_init_bb(struct ath_hw *ah,
+				    struct ath9k_channel *chan)
+{
+	return ath9k_hw_private_ops(ah)->init_bb(ah, chan);
+}
+
+static inline void ath9k_hw_set_channel_regs(struct ath_hw *ah,
+					     struct ath9k_channel *chan)
+{
+	return ath9k_hw_private_ops(ah)->set_channel_regs(ah, chan);
+}
+
+static inline int ath9k_hw_process_ini(struct ath_hw *ah,
+					struct ath9k_channel *chan)
+{
+	return ath9k_hw_private_ops(ah)->process_ini(ah, chan);
+}
+
+static inline void ath9k_olc_init(struct ath_hw *ah)
+{
+	if (!ath9k_hw_private_ops(ah)->olc_init)
+		return;
+
+	return ath9k_hw_private_ops(ah)->olc_init(ah);
+}
+
+static inline void ath9k_hw_set_rfmode(struct ath_hw *ah,
+				       struct ath9k_channel *chan)
+{
+	return ath9k_hw_private_ops(ah)->set_rfmode(ah, chan);
+}
+
+static inline void ath9k_hw_mark_phy_inactive(struct ath_hw *ah)
+{
+	return ath9k_hw_private_ops(ah)->mark_phy_inactive(ah);
+}
+
+static inline void ath9k_hw_set_delta_slope(struct ath_hw *ah,
+					    struct ath9k_channel *chan)
+{
+	return ath9k_hw_private_ops(ah)->set_delta_slope(ah, chan);
+}
+
+static inline int ath9k_hw_rfbus_req(struct ath_hw *ah)
+{
+	return ath9k_hw_private_ops(ah)->rfbus_req(ah);
+}
+
+static inline void ath9k_hw_rfbus_done(struct ath_hw *ah)
+{
+	return ath9k_hw_private_ops(ah)->rfbus_done(ah);
+}
+
+static inline void ath9k_hw_restore_chainmask(struct ath_hw *ah)
+{
+	if (!ath9k_hw_private_ops(ah)->restore_chainmask)
+		return;
+
+	return ath9k_hw_private_ops(ah)->restore_chainmask(ah);
+}
+
+static inline void ath9k_hw_set_diversity(struct ath_hw *ah, int value)
+{
+	return ath9k_hw_private_ops(ah)->set_diversity(ah, value);
+}
+
+static inline int ath9k_hw_ani_control(struct ath_hw *ah,
+					enum ath9k_ani_cmd cmd, int param)
+{
+	return ath9k_hw_private_ops(ah)->ani_control(ah, cmd, param);
+}
+
+static inline void ath9k_hw_do_getnf(struct ath_hw *ah,
+				     int16_t nfarray[NUM_NF_READINGS])
+{
+	ath9k_hw_private_ops(ah)->do_getnf(ah, nfarray);
+}
+
+static inline int ath9k_hw_init_cal(struct ath_hw *ah,
+				     struct ath9k_channel *chan)
+{
+	return ath9k_hw_private_ops(ah)->init_cal(ah, chan);
+}
+
+static inline void ath9k_hw_setup_calibration(struct ath_hw *ah,
+					      struct ath9k_cal_list *currCal)
+{
+	ath9k_hw_private_ops(ah)->setup_calibration(ah, currCal);
+}
+
+#endif /* ATH9K_HW_OPS_H */

src/drivers/net/ath/ath9k/hw.h

@@ -0,0 +1,995 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef HW_H
+#define HW_H
+
+#include <errno.h>
+
+#include "mac.h"
+#include "ani.h"
+#include "eeprom.h"
+#include "calib.h"
+#include "reg.h"
+#include "phy.h"
+
+#include "../regd.h"
+
+/* Keep all ath9k files under one errfile ID */
+#undef ERRFILE
+#define ERRFILE ERRFILE_ath9k
+
+#define ATHEROS_VENDOR_ID	0x168c
+
+#define AR5416_DEVID_PCI	0x0023
+#define AR5416_DEVID_PCIE	0x0024
+#define AR9160_DEVID_PCI	0x0027
+#define AR9280_DEVID_PCI	0x0029
+#define AR9280_DEVID_PCIE	0x002a
+#define AR9285_DEVID_PCIE	0x002b
+#define AR2427_DEVID_PCIE	0x002c
+#define AR9287_DEVID_PCI	0x002d
+#define AR9287_DEVID_PCIE	0x002e
+#define AR9300_DEVID_PCIE	0x0030
+#define AR9300_DEVID_AR9340	0x0031
+#define AR9300_DEVID_AR9485_PCIE 0x0032
+
+#define AR5416_AR9100_DEVID	0x000b
+
+#define	AR_SUBVENDOR_ID_NOG	0x0e11
+#define AR_SUBVENDOR_ID_NEW_A	0x7065
+#define AR5416_MAGIC		0x19641014
+
+#define AR9280_COEX2WIRE_SUBSYSID	0x309b
+#define AT9285_COEX3WIRE_SA_SUBSYSID	0x30aa
+#define AT9285_COEX3WIRE_DA_SUBSYSID	0x30ab
+
+#define AR9300_NUM_BT_WEIGHTS   4
+#define AR9300_NUM_WLAN_WEIGHTS 4
+
+#define ATH_AMPDU_LIMIT_MAX        (64 * 1024 - 1)
+
+#define	ATH_DEFAULT_NOISE_FLOOR -95
+
+#define ATH9K_RSSI_BAD			-128
+
+#define ATH9K_NUM_CHANNELS	38
+
+/* Register read/write primitives */
+#define REG_WRITE(_ah, _reg, _val) \
+	(_ah)->reg_ops.write((_ah), (_val), (_reg))
+
+#define REG_READ(_ah, _reg) \
+	(_ah)->reg_ops.read((_ah), (_reg))
+
+#define REG_READ_MULTI(_ah, _addr, _val, _cnt)		\
+	(_ah)->reg_ops.multi_read((_ah), (_addr), (_val), (_cnt))
+
+#define REG_RMW(_ah, _reg, _set, _clr) \
+	(_ah)->reg_ops.rmw((_ah), (_reg), (_set), (_clr))
+
+#define ENABLE_REGWRITE_BUFFER(_ah)					\
+	do {								\
+		if ((_ah)->reg_ops.enable_write_buffer)	\
+			(_ah)->reg_ops.enable_write_buffer((_ah)); \
+	} while (0)
+
+#define REGWRITE_BUFFER_FLUSH(_ah)					\
+	do {								\
+		if ((_ah)->reg_ops.write_flush)		\
+			(_ah)->reg_ops.write_flush((_ah));	\
+	} while (0)
+
+#define SM(_v, _f)  (((_v) << _f##_S) & _f)
+#define MS(_v, _f)  (((_v) & _f) >> _f##_S)
+#define REG_RMW_FIELD(_a, _r, _f, _v) \
+	REG_RMW(_a, _r, (((_v) << _f##_S) & _f), (_f))
+#define REG_READ_FIELD(_a, _r, _f) \
+	(((REG_READ(_a, _r) & _f) >> _f##_S))
+#define REG_SET_BIT(_a, _r, _f) \
+	REG_RMW(_a, _r, (_f), 0)
+#define REG_CLR_BIT(_a, _r, _f) \
+	REG_RMW(_a, _r, 0, (_f))
+
+#define DO_DELAY(x) do {					\
+		if (((++(x) % 64) == 0) &&			\
+		    (ath9k_hw_common(ah)->bus_ops->ath_bus_type	\
+			!= ATH_USB))				\
+			udelay(1);				\
+	} while (0)
+
+#define REG_WRITE_ARRAY(iniarray, column, regWr) \
+	ath9k_hw_write_array(ah, iniarray, column, &(regWr))
+
+#define AR_GPIO_OUTPUT_MUX_AS_OUTPUT             0
+#define AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED 1
+#define AR_GPIO_OUTPUT_MUX_AS_PCIE_POWER_LED     2
+#define AR_GPIO_OUTPUT_MUX_AS_TX_FRAME           3
+#define AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL  4
+#define AR_GPIO_OUTPUT_MUX_AS_MAC_NETWORK_LED    5
+#define AR_GPIO_OUTPUT_MUX_AS_MAC_POWER_LED      6
+
+#define AR_GPIOD_MASK               0x00001FFF
+#define AR_GPIO_BIT(_gpio)          (1 << (_gpio))
+
+#define BASE_ACTIVATE_DELAY         100
+#define RTC_PLL_SETTLE_DELAY        (AR_SREV_9340(ah) ? 1000 : 100)
+#define COEF_SCALE_S                24
+#define HT40_CHANNEL_CENTER_SHIFT   10
+
+#define ATH9K_ANTENNA0_CHAINMASK    0x1
+#define ATH9K_ANTENNA1_CHAINMASK    0x2
+
+#define ATH9K_NUM_DMA_DEBUG_REGS    8
+#define ATH9K_NUM_QUEUES            10
+
+#define MAX_RATE_POWER              63
+#define AH_WAIT_TIMEOUT             100000 /* (us) */
+#define AH_TSF_WRITE_TIMEOUT        100    /* (us) */
+#define AH_TIME_QUANTUM             10
+#define AR_KEYTABLE_SIZE            128
+#define POWER_UP_TIME               10000
+#define SPUR_RSSI_THRESH            40
+
+#define CAB_TIMEOUT_VAL             10
+#define BEACON_TIMEOUT_VAL          10
+#define MIN_BEACON_TIMEOUT_VAL      1
+#define SLEEP_SLOP                  3
+
+#define INIT_CONFIG_STATUS          0x00000000
+#define INIT_RSSI_THR               0x00000700
+#define INIT_BCON_CNTRL_REG         0x00000000
+
+#define TU_TO_USEC(_tu)             ((_tu) << 10)
+
+#define ATH9K_HW_RX_HP_QDEPTH	16
+#define ATH9K_HW_RX_LP_QDEPTH	128
+
+#define PAPRD_GAIN_TABLE_ENTRIES    32
+#define PAPRD_TABLE_SZ              24
+
+enum ath_hw_txq_subtype {
+	ATH_TXQ_AC_BE = 0,
+};
+
+enum ath_ini_subsys {
+	ATH_INI_PRE = 0,
+	ATH_INI_CORE,
+	ATH_INI_POST,
+	ATH_INI_NUM_SPLIT,
+};
+
+enum ath9k_hw_caps {
+	ATH9K_HW_CAP_HT                         = BIT(0),
+	ATH9K_HW_CAP_RFSILENT                   = BIT(1),
+	ATH9K_HW_CAP_CST                        = BIT(2),
+	ATH9K_HW_CAP_AUTOSLEEP                  = BIT(4),
+	ATH9K_HW_CAP_4KB_SPLITTRANS             = BIT(5),
+	ATH9K_HW_CAP_EDMA			= BIT(6),
+	ATH9K_HW_CAP_RAC_SUPPORTED		= BIT(7),
+	ATH9K_HW_CAP_LDPC			= BIT(8),
+	ATH9K_HW_CAP_FASTCLOCK			= BIT(9),
+	ATH9K_HW_CAP_SGI_20			= BIT(10),
+	ATH9K_HW_CAP_PAPRD			= BIT(11),
+	ATH9K_HW_CAP_ANT_DIV_COMB		= BIT(12),
+	ATH9K_HW_CAP_2GHZ			= BIT(13),
+	ATH9K_HW_CAP_5GHZ			= BIT(14),
+	ATH9K_HW_CAP_APM			= BIT(15),
+};
+
+struct ath9k_hw_capabilities {
+	u32 hw_caps; /* ATH9K_HW_CAP_* from ath9k_hw_caps */
+	u16 rts_aggr_limit;
+	u8 tx_chainmask;
+	u8 rx_chainmask;
+	u8 max_txchains;
+	u8 max_rxchains;
+	u8 num_gpio_pins;
+	u8 rx_hp_qdepth;
+	u8 rx_lp_qdepth;
+	u8 rx_status_len;
+	u8 tx_desc_len;
+	u8 txs_len;
+	u16 pcie_lcr_offset;
+	int pcie_lcr_extsync_en;
+};
+
+struct ath9k_ops_config {
+	int dma_beacon_response_time;
+	int sw_beacon_response_time;
+	int additional_swba_backoff;
+	int ack_6mb;
+	u32 cwm_ignore_extcca;
+	u8 pcie_powersave_enable;
+	int pcieSerDesWrite;
+	u8 pcie_clock_req;
+	u32 pcie_waen;
+	u8 analog_shiftreg;
+	u8 paprd_disable;
+	u32 ofdm_trig_low;
+	u32 ofdm_trig_high;
+	u32 cck_trig_high;
+	u32 cck_trig_low;
+	u32 enable_ani;
+	int serialize_regmode;
+	int rx_intr_mitigation;
+	int tx_intr_mitigation;
+#define SPUR_DISABLE        	0
+#define SPUR_ENABLE_IOCTL   	1
+#define SPUR_ENABLE_EEPROM  	2
+#define AR_SPUR_5413_1      	1640
+#define AR_SPUR_5413_2      	1200
+#define AR_NO_SPUR      	0x8000
+#define AR_BASE_FREQ_2GHZ   	2300
+#define AR_BASE_FREQ_5GHZ   	4900
+#define AR_SPUR_FEEQ_BOUND_HT40 19
+#define AR_SPUR_FEEQ_BOUND_HT20 10
+	int spurmode;
+	u16 spurchans[AR_EEPROM_MODAL_SPURS][2];
+	u8 max_txtrig_level;
+	u16 ani_poll_interval; /* ANI poll interval in ms */
+};
+
+enum ath9k_int {
+	ATH9K_INT_RX = 0x00000001,
+	ATH9K_INT_RXDESC = 0x00000002,
+	ATH9K_INT_RXHP = 0x00000001,
+	ATH9K_INT_RXLP = 0x00000002,
+	ATH9K_INT_RXNOFRM = 0x00000008,
+	ATH9K_INT_RXEOL = 0x00000010,
+	ATH9K_INT_RXORN = 0x00000020,
+	ATH9K_INT_TX = 0x00000040,
+	ATH9K_INT_TXDESC = 0x00000080,
+	ATH9K_INT_TIM_TIMER = 0x00000100,
+	ATH9K_INT_BB_WATCHDOG = 0x00000400,
+	ATH9K_INT_TXURN = 0x00000800,
+	ATH9K_INT_MIB = 0x00001000,
+	ATH9K_INT_RXPHY = 0x00004000,
+	ATH9K_INT_RXKCM = 0x00008000,
+	ATH9K_INT_SWBA = 0x00010000,
+	ATH9K_INT_BMISS = 0x00040000,
+	ATH9K_INT_BNR = 0x00100000,
+	ATH9K_INT_TIM = 0x00200000,
+	ATH9K_INT_DTIM = 0x00400000,
+	ATH9K_INT_DTIMSYNC = 0x00800000,
+	ATH9K_INT_GPIO = 0x01000000,
+	ATH9K_INT_CABEND = 0x02000000,
+	ATH9K_INT_TSFOOR = 0x04000000,
+	ATH9K_INT_GENTIMER = 0x08000000,
+	ATH9K_INT_CST = 0x10000000,
+	ATH9K_INT_GTT = 0x20000000,
+	ATH9K_INT_FATAL = 0x40000000,
+	ATH9K_INT_GLOBAL = 0x80000000,
+	ATH9K_INT_BMISC = ATH9K_INT_TIM |
+		ATH9K_INT_DTIM |
+		ATH9K_INT_DTIMSYNC |
+		ATH9K_INT_TSFOOR |
+		ATH9K_INT_CABEND,
+	ATH9K_INT_COMMON = ATH9K_INT_RXNOFRM |
+		ATH9K_INT_RXDESC |
+		ATH9K_INT_RXEOL |
+		ATH9K_INT_RXORN |
+		ATH9K_INT_TXURN |
+		ATH9K_INT_TXDESC |
+		ATH9K_INT_MIB |
+		ATH9K_INT_RXPHY |
+		ATH9K_INT_RXKCM |
+		ATH9K_INT_SWBA |
+		ATH9K_INT_BMISS |
+		ATH9K_INT_GPIO,
+	ATH9K_INT_NOCARD = 0xffffffff
+};
+
+#define CHANNEL_CW_INT    0x00002
+#define CHANNEL_CCK       0x00020
+#define CHANNEL_OFDM      0x00040
+#define CHANNEL_2GHZ      0x00080
+#define CHANNEL_5GHZ      0x00100
+#define CHANNEL_PASSIVE   0x00200
+#define CHANNEL_DYN       0x00400
+#define CHANNEL_HALF      0x04000
+#define CHANNEL_QUARTER   0x08000
+#define CHANNEL_HT20      0x10000
+#define CHANNEL_HT40PLUS  0x20000
+#define CHANNEL_HT40MINUS 0x40000
+
+#define CHANNEL_A           (CHANNEL_5GHZ|CHANNEL_OFDM)
+#define CHANNEL_B           (CHANNEL_2GHZ|CHANNEL_CCK)
+#define CHANNEL_G           (CHANNEL_2GHZ|CHANNEL_OFDM)
+#define CHANNEL_G_HT20      (CHANNEL_2GHZ|CHANNEL_HT20)
+#define CHANNEL_A_HT20      (CHANNEL_5GHZ|CHANNEL_HT20)
+#define CHANNEL_G_HT40PLUS  (CHANNEL_2GHZ|CHANNEL_HT40PLUS)
+#define CHANNEL_G_HT40MINUS (CHANNEL_2GHZ|CHANNEL_HT40MINUS)
+#define CHANNEL_A_HT40PLUS  (CHANNEL_5GHZ|CHANNEL_HT40PLUS)
+#define CHANNEL_A_HT40MINUS (CHANNEL_5GHZ|CHANNEL_HT40MINUS)
+#define CHANNEL_ALL				\
+	(CHANNEL_OFDM|				\
+	 CHANNEL_CCK|				\
+	 CHANNEL_2GHZ |				\
+	 CHANNEL_5GHZ |				\
+	 CHANNEL_HT20 |				\
+	 CHANNEL_HT40PLUS |			\
+	 CHANNEL_HT40MINUS)
+
+struct ath9k_hw_cal_data {
+	u16 channel;
+	u32 channelFlags;
+	int32_t CalValid;
+	int8_t iCoff;
+	int8_t qCoff;
+	int paprd_done;
+	int nfcal_pending;
+	int nfcal_interference;
+	u16 small_signal_gain[AR9300_MAX_CHAINS];
+	u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
+	struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
+};
+
+struct ath9k_channel {
+	struct net80211_channel *chan;
+	struct ar5416AniState ani;
+	u16 channel;
+	u32 channelFlags;
+	u32 chanmode;
+	s16 noisefloor;
+};
+
+#define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
+       (((_c)->channelFlags & CHANNEL_G_HT20) == CHANNEL_G_HT20) || \
+       (((_c)->channelFlags & CHANNEL_G_HT40PLUS) == CHANNEL_G_HT40PLUS) || \
+       (((_c)->channelFlags & CHANNEL_G_HT40MINUS) == CHANNEL_G_HT40MINUS))
+#define IS_CHAN_OFDM(_c) (((_c)->channelFlags & CHANNEL_OFDM) != 0)
+#define IS_CHAN_5GHZ(_c) (((_c)->channelFlags & CHANNEL_5GHZ) != 0)
+#define IS_CHAN_2GHZ(_c) (((_c)->channelFlags & CHANNEL_2GHZ) != 0)
+#define IS_CHAN_HALF_RATE(_c) (((_c)->channelFlags & CHANNEL_HALF) != 0)
+#define IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0)
+#define IS_CHAN_A_FAST_CLOCK(_ah, _c)			\
+	((((_c)->channelFlags & CHANNEL_5GHZ) != 0) &&	\
+	 ((_ah)->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK))
+
+/* These macros check chanmode and not channelFlags */
+#define IS_CHAN_B(_c) ((_c)->chanmode == CHANNEL_B)
+#define IS_CHAN_HT20(_c) (((_c)->chanmode == CHANNEL_A_HT20) ||	\
+			  ((_c)->chanmode == CHANNEL_G_HT20))
+#define IS_CHAN_HT40(_c) (((_c)->chanmode == CHANNEL_A_HT40PLUS) ||	\
+			  ((_c)->chanmode == CHANNEL_A_HT40MINUS) ||	\
+			  ((_c)->chanmode == CHANNEL_G_HT40PLUS) ||	\
+			  ((_c)->chanmode == CHANNEL_G_HT40MINUS))
+#define IS_CHAN_HT(_c) (IS_CHAN_HT20((_c)) || IS_CHAN_HT40((_c)))
+
+enum ath9k_power_mode {
+	ATH9K_PM_AWAKE = 0,
+	ATH9K_PM_FULL_SLEEP,
+	ATH9K_PM_NETWORK_SLEEP,
+	ATH9K_PM_UNDEFINED
+};
+
+enum ath9k_tp_scale {
+	ATH9K_TP_SCALE_MAX = 0,
+	ATH9K_TP_SCALE_50,
+	ATH9K_TP_SCALE_25,
+	ATH9K_TP_SCALE_12,
+	ATH9K_TP_SCALE_MIN
+};
+
+enum ser_reg_mode {
+	SER_REG_MODE_OFF = 0,
+	SER_REG_MODE_ON = 1,
+	SER_REG_MODE_AUTO = 2,
+};
+
+enum ath9k_rx_qtype {
+	ATH9K_RX_QUEUE_HP,
+	ATH9K_RX_QUEUE_LP,
+	ATH9K_RX_QUEUE_MAX,
+};
+
+struct ath9k_beacon_state {
+	u32 bs_nexttbtt;
+	u32 bs_nextdtim;
+	u32 bs_intval;
+#define ATH9K_BEACON_PERIOD       0x0000ffff
+#define ATH9K_TSFOOR_THRESHOLD    0x00004240 /* 16k us */
+	u32 bs_dtimperiod;
+	u16 bs_cfpperiod;
+	u16 bs_cfpmaxduration;
+	u32 bs_cfpnext;
+	u16 bs_timoffset;
+	u16 bs_bmissthreshold;
+	u32 bs_sleepduration;
+	u32 bs_tsfoor_threshold;
+};
+
+struct chan_centers {
+	u16 synth_center;
+	u16 ctl_center;
+	u16 ext_center;
+};
+
+enum {
+	ATH9K_RESET_POWER_ON,
+	ATH9K_RESET_WARM,
+	ATH9K_RESET_COLD,
+};
+
+struct ath9k_hw_version {
+	u32 magic;
+	u16 devid;
+	u16 subvendorid;
+	u32 macVersion;
+	u16 macRev;
+	u16 phyRev;
+	u16 analog5GhzRev;
+	u16 analog2GhzRev;
+	u16 subsysid;
+	enum ath_usb_dev usbdev;
+};
+
+/* Generic TSF timer definitions */
+
+#define ATH_MAX_GEN_TIMER	16
+
+#define AR_GENTMR_BIT(_index)	(1 << (_index))
+
+/*
+ * Using de Bruijin sequence to look up 1's index in a 32 bit number
+ * debruijn32 = 0000 0111 0111 1100 1011 0101 0011 0001
+ */
+#define debruijn32 0x077CB531U
+
+struct ath_gen_timer_configuration {
+	u32 next_addr;
+	u32 period_addr;
+	u32 mode_addr;
+	u32 mode_mask;
+};
+
+struct ath_gen_timer {
+	void (*trigger)(void *arg);
+	void (*overflow)(void *arg);
+	void *arg;
+	u8 index;
+};
+
+struct ath_gen_timer_table {
+	u32 gen_timer_index[32];
+	struct ath_gen_timer *timers[ATH_MAX_GEN_TIMER];
+	union {
+		unsigned long timer_bits;
+		u16 val;
+	} timer_mask;
+};
+
+struct ath_hw_antcomb_conf {
+	u8 main_lna_conf;
+	u8 alt_lna_conf;
+	u8 fast_div_bias;
+	u8 main_gaintb;
+	u8 alt_gaintb;
+	int lna1_lna2_delta;
+	u8 div_group;
+};
+
+/**
+ * struct ath_hw_radar_conf - radar detection initialization parameters
+ *
+ * @pulse_inband: threshold for checking the ratio of in-band power
+ *	to total power for short radar pulses (half dB steps)
+ * @pulse_inband_step: threshold for checking an in-band power to total
+ *	power ratio increase for short radar pulses (half dB steps)
+ * @pulse_height: threshold for detecting the beginning of a short
+ *	radar pulse (dB step)
+ * @pulse_rssi: threshold for detecting if a short radar pulse is
+ *	gone (dB step)
+ * @pulse_maxlen: maximum pulse length (0.8 us steps)
+ *
+ * @radar_rssi: RSSI threshold for starting long radar detection (dB steps)
+ * @radar_inband: threshold for checking the ratio of in-band power
+ *	to total power for long radar pulses (half dB steps)
+ * @fir_power: threshold for detecting the end of a long radar pulse (dB)
+ *
+ * @ext_channel: enable extension channel radar detection
+ */
+struct ath_hw_radar_conf {
+	unsigned int pulse_inband;
+	unsigned int pulse_inband_step;
+	unsigned int pulse_height;
+	unsigned int pulse_rssi;
+	unsigned int pulse_maxlen;
+
+	unsigned int radar_rssi;
+	unsigned int radar_inband;
+	int fir_power;
+
+	int ext_channel;
+};
+
+/**
+ * struct ath_hw_private_ops - callbacks used internally by hardware code
+ *
+ * This structure contains private callbacks designed to only be used internally
+ * by the hardware core.
+ *
+ * @init_cal_settings: setup types of calibrations supported
+ * @init_cal: starts actual calibration
+ *
+ * @init_mode_regs: Initializes mode registers
+ * @init_mode_gain_regs: Initialize TX/RX gain registers
+ *
+ * @rf_set_freq: change frequency
+ * @spur_mitigate_freq: spur mitigation
+ * @rf_alloc_ext_banks:
+ * @rf_free_ext_banks:
+ * @set_rf_regs:
+ * @compute_pll_control: compute the PLL control value to use for
+ *	AR_RTC_PLL_CONTROL for a given channel
+ * @setup_calibration: set up calibration
+ * @iscal_supported: used to query if a type of calibration is supported
+ *
+ * @ani_cache_ini_regs: cache the values for ANI from the initial
+ *	register settings through the register initialization.
+ */
+struct ath_hw_private_ops {
+	/* Calibration ops */
+	void (*init_cal_settings)(struct ath_hw *ah);
+	int (*init_cal)(struct ath_hw *ah, struct ath9k_channel *chan);
+
+	void (*init_mode_regs)(struct ath_hw *ah);
+	void (*init_mode_gain_regs)(struct ath_hw *ah);
+	void (*setup_calibration)(struct ath_hw *ah,
+				  struct ath9k_cal_list *currCal);
+
+	/* PHY ops */
+	int (*rf_set_freq)(struct ath_hw *ah,
+			   struct ath9k_channel *chan);
+	void (*spur_mitigate_freq)(struct ath_hw *ah,
+				   struct ath9k_channel *chan);
+	int (*rf_alloc_ext_banks)(struct ath_hw *ah);
+	void (*rf_free_ext_banks)(struct ath_hw *ah);
+	int (*set_rf_regs)(struct ath_hw *ah,
+			    struct ath9k_channel *chan,
+			    u16 modesIndex);
+	void (*set_channel_regs)(struct ath_hw *ah, struct ath9k_channel *chan);
+	void (*init_bb)(struct ath_hw *ah,
+			struct ath9k_channel *chan);
+	int (*process_ini)(struct ath_hw *ah, struct ath9k_channel *chan);
+	void (*olc_init)(struct ath_hw *ah);
+	void (*set_rfmode)(struct ath_hw *ah, struct ath9k_channel *chan);
+	void (*mark_phy_inactive)(struct ath_hw *ah);
+	void (*set_delta_slope)(struct ath_hw *ah, struct ath9k_channel *chan);
+	int (*rfbus_req)(struct ath_hw *ah);
+	void (*rfbus_done)(struct ath_hw *ah);
+	void (*restore_chainmask)(struct ath_hw *ah);
+	void (*set_diversity)(struct ath_hw *ah, int value);
+	u32 (*compute_pll_control)(struct ath_hw *ah,
+				   struct ath9k_channel *chan);
+	int (*ani_control)(struct ath_hw *ah, enum ath9k_ani_cmd cmd,
+			    int param);
+	void (*do_getnf)(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]);
+	void (*set_radar_params)(struct ath_hw *ah,
+				 struct ath_hw_radar_conf *conf);
+
+	/* ANI */
+	void (*ani_cache_ini_regs)(struct ath_hw *ah);
+};
+
+/**
+ * struct ath_hw_ops - callbacks used by hardware code and driver code
+ *
+ * This structure contains callbacks designed to to be used internally by
+ * hardware code and also by the lower level driver.
+ *
+ * @config_pci_powersave:
+ * @calibrate: periodic calibration for NF, ANI, IQ, ADC gain, ADC-DC
+ */
+struct ath_hw_ops {
+	void (*config_pci_powersave)(struct ath_hw *ah,
+				     int restore,
+				     int power_off);
+	void (*rx_enable)(struct ath_hw *ah);
+	void (*set_desc_link)(void *ds, u32 link);
+	void (*get_desc_link)(void *ds, u32 **link);
+	int (*calibrate)(struct ath_hw *ah,
+			  struct ath9k_channel *chan,
+			  u8 rxchainmask,
+			  int longcal);
+	int (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked);
+	void (*fill_txdesc)(struct ath_hw *ah, void *ds, u32 seglen,
+			    int is_firstseg, int is_is_lastseg,
+			    const void *ds0, u32 buf_addr,
+			    unsigned int qcu);
+	int (*proc_txdesc)(struct ath_hw *ah, void *ds,
+			   struct ath_tx_status *ts);
+	void (*set11n_txdesc)(struct ath_hw *ah, void *ds,
+			      u32 pktLen, enum ath9k_pkt_type type,
+			      u32 txPower, u32 keyIx,
+			      enum ath9k_key_type keyType,
+			      u32 flags);
+	void (*set11n_ratescenario)(struct ath_hw *ah, void *ds,
+				void *lastds,
+				u32 durUpdateEn, u32 rtsctsRate,
+				u32 rtsctsDuration,
+				struct ath9k_11n_rate_series series[],
+				u32 nseries, u32 flags);
+	void (*set11n_aggr_first)(struct ath_hw *ah, void *ds,
+				  u32 aggrLen);
+	void (*set11n_aggr_middle)(struct ath_hw *ah, void *ds,
+				   u32 numDelims);
+	void (*set11n_aggr_last)(struct ath_hw *ah, void *ds);
+	void (*clr11n_aggr)(struct ath_hw *ah, void *ds);
+	void (*set_clrdmask)(struct ath_hw *ah, void *ds, int val);
+	void (*antdiv_comb_conf_get)(struct ath_hw *ah,
+			struct ath_hw_antcomb_conf *antconf);
+	void (*antdiv_comb_conf_set)(struct ath_hw *ah,
+			struct ath_hw_antcomb_conf *antconf);
+
+};
+
+struct ath_nf_limits {
+	s16 max;
+	s16 min;
+	s16 nominal;
+};
+
+/* ah_flags */
+#define AH_USE_EEPROM   0x1
+#define AH_UNPLUGGED    0x2 /* The card has been physically removed. */
+
+struct ath_hw {
+	struct ath_ops reg_ops;
+
+	struct net80211_device *dev;
+	struct ath_common common;
+	struct ath9k_hw_version hw_version;
+	struct ath9k_ops_config config;
+	struct ath9k_hw_capabilities caps;
+	struct ath9k_channel channels[ATH9K_NUM_CHANNELS];
+	struct ath9k_channel *curchan;
+
+	union {
+		struct ar5416_eeprom_def def;
+		struct ar5416_eeprom_4k map4k;
+		struct ar9287_eeprom map9287;
+		struct ar9300_eeprom ar9300_eep;
+	} eeprom;
+	const struct eeprom_ops *eep_ops;
+
+	int sw_mgmt_crypto;
+	int is_pciexpress;
+	int is_monitoring;
+	int need_an_top2_fixup;
+	u16 tx_trig_level;
+
+	u32 nf_regs[6];
+	struct ath_nf_limits nf_2g;
+	struct ath_nf_limits nf_5g;
+	u16 rfsilent;
+	u32 rfkill_gpio;
+	u32 rfkill_polarity;
+	u32 ah_flags;
+
+	int htc_reset_init;
+
+	enum ath9k_power_mode power_mode;
+
+	struct ath9k_hw_cal_data *caldata;
+	struct ath9k_pacal_info pacal_info;
+	struct ar5416Stats stats;
+	struct ath9k_tx_queue_info txq[ATH9K_NUM_TX_QUEUES];
+
+	int16_t curchan_rad_index;
+	int ah_ier;
+	enum ath9k_int imask;
+	u32 imrs2_reg;
+	u32 txok_interrupt_mask;
+	u32 txerr_interrupt_mask;
+	u32 txdesc_interrupt_mask;
+	u32 txeol_interrupt_mask;
+	u32 txurn_interrupt_mask;
+	int chip_fullsleep;
+	u32 atim_window;
+
+	/* Calibration */
+	u32 supp_cals;
+	struct ath9k_cal_list iq_caldata;
+	struct ath9k_cal_list adcgain_caldata;
+	struct ath9k_cal_list adcdc_caldata;
+	struct ath9k_cal_list tempCompCalData;
+	struct ath9k_cal_list *cal_list;
+	struct ath9k_cal_list *cal_list_last;
+	struct ath9k_cal_list *cal_list_curr;
+#define totalPowerMeasI meas0.unsign
+#define totalPowerMeasQ meas1.unsign
+#define totalIqCorrMeas meas2.sign
+#define totalAdcIOddPhase  meas0.unsign
+#define totalAdcIEvenPhase meas1.unsign
+#define totalAdcQOddPhase  meas2.unsign
+#define totalAdcQEvenPhase meas3.unsign
+#define totalAdcDcOffsetIOddPhase  meas0.sign
+#define totalAdcDcOffsetIEvenPhase meas1.sign
+#define totalAdcDcOffsetQOddPhase  meas2.sign
+#define totalAdcDcOffsetQEvenPhase meas3.sign
+	union {
+		u32 unsign[AR5416_MAX_CHAINS];
+		int32_t sign[AR5416_MAX_CHAINS];
+	} meas0;
+	union {
+		u32 unsign[AR5416_MAX_CHAINS];
+		int32_t sign[AR5416_MAX_CHAINS];
+	} meas1;
+	union {
+		u32 unsign[AR5416_MAX_CHAINS];
+		int32_t sign[AR5416_MAX_CHAINS];
+	} meas2;
+	union {
+		u32 unsign[AR5416_MAX_CHAINS];
+		int32_t sign[AR5416_MAX_CHAINS];
+	} meas3;
+	u16 cal_samples;
+
+	u32 sta_id1_defaults;
+	u32 misc_mode;
+	enum {
+		AUTO_32KHZ,
+		USE_32KHZ,
+		DONT_USE_32KHZ,
+	} enable_32kHz_clock;
+
+	/* Private to hardware code */
+	struct ath_hw_private_ops private_ops;
+	/* Accessed by the lower level driver */
+	struct ath_hw_ops ops;
+
+	/* Used to program the radio on non single-chip devices */
+	u32 *analogBank0Data;
+	u32 *analogBank1Data;
+	u32 *analogBank2Data;
+	u32 *analogBank3Data;
+	u32 *analogBank6Data;
+	u32 *analogBank6TPCData;
+	u32 *analogBank7Data;
+	u32 *addac5416_21;
+	u32 *bank6Temp;
+
+	u8 txpower_limit;
+	int coverage_class;
+	u32 slottime;
+	u32 globaltxtimeout;
+
+	/* ANI */
+	u32 proc_phyerr;
+	u32 aniperiod;
+	int totalSizeDesired[5];
+	int coarse_high[5];
+	int coarse_low[5];
+	int firpwr[5];
+	enum ath9k_ani_cmd ani_function;
+
+	u32 intr_txqs;
+	u8 txchainmask;
+	u8 rxchainmask;
+
+	struct ath_hw_radar_conf radar_conf;
+
+	u32 originalGain[22];
+	int initPDADC;
+	int PDADCdelta;
+	int led_pin;
+	u32 gpio_mask;
+	u32 gpio_val;
+
+	struct ar5416IniArray iniModes;
+	struct ar5416IniArray iniCommon;
+	struct ar5416IniArray iniBank0;
+	struct ar5416IniArray iniBB_RfGain;
+	struct ar5416IniArray iniBank1;
+	struct ar5416IniArray iniBank2;
+	struct ar5416IniArray iniBank3;
+	struct ar5416IniArray iniBank6;
+	struct ar5416IniArray iniBank6TPC;
+	struct ar5416IniArray iniBank7;
+	struct ar5416IniArray iniAddac;
+	struct ar5416IniArray iniPcieSerdes;
+	struct ar5416IniArray iniPcieSerdesLowPower;
+	struct ar5416IniArray iniModesAdditional;
+	struct ar5416IniArray iniModesAdditional_40M;
+	struct ar5416IniArray iniModesRxGain;
+	struct ar5416IniArray iniModesTxGain;
+	struct ar5416IniArray iniModes_9271_1_0_only;
+	struct ar5416IniArray iniCckfirNormal;
+	struct ar5416IniArray iniCckfirJapan2484;
+	struct ar5416IniArray iniCommon_normal_cck_fir_coeff_9271;
+	struct ar5416IniArray iniCommon_japan_2484_cck_fir_coeff_9271;
+	struct ar5416IniArray iniModes_9271_ANI_reg;
+	struct ar5416IniArray iniModes_high_power_tx_gain_9271;
+	struct ar5416IniArray iniModes_normal_power_tx_gain_9271;
+
+	struct ar5416IniArray iniMac[ATH_INI_NUM_SPLIT];
+	struct ar5416IniArray iniBB[ATH_INI_NUM_SPLIT];
+	struct ar5416IniArray iniRadio[ATH_INI_NUM_SPLIT];
+	struct ar5416IniArray iniSOC[ATH_INI_NUM_SPLIT];
+
+	u32 intr_gen_timer_trigger;
+	u32 intr_gen_timer_thresh;
+	struct ath_gen_timer_table hw_gen_timers;
+
+	struct ar9003_txs *ts_ring;
+	void *ts_start;
+	u32 ts_paddr_start;
+	u32 ts_paddr_end;
+	u16 ts_tail;
+	u8 ts_size;
+
+	unsigned int paprd_target_power;
+	unsigned int paprd_training_power;
+	unsigned int paprd_ratemask;
+	unsigned int paprd_ratemask_ht40;
+	int paprd_table_write_done;
+	u32 paprd_gain_table_entries[PAPRD_GAIN_TABLE_ENTRIES];
+	u8 paprd_gain_table_index[PAPRD_GAIN_TABLE_ENTRIES];
+	/*
+	 * Store the permanent value of Reg 0x4004in WARegVal
+	 * so we dont have to R/M/W. We should not be reading
+	 * this register when in sleep states.
+	 */
+	u32 WARegVal;
+
+	/* Enterprise mode cap */
+	u32 ent_mode;
+
+	int is_clk_25mhz;
+};
+
+struct ath_bus_ops {
+	enum ath_bus_type ath_bus_type;
+	void (*read_cachesize)(struct ath_common *common, int *csz);
+	int (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
+	void (*bt_coex_prep)(struct ath_common *common);
+	void (*extn_synch_en)(struct ath_common *common);
+};
+
+static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
+{
+	return &ah->common;
+}
+
+static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
+{
+	return &(ath9k_hw_common(ah)->regulatory);
+}
+
+static inline struct ath_hw_private_ops *ath9k_hw_private_ops(struct ath_hw *ah)
+{
+	return &ah->private_ops;
+}
+
+static inline struct ath_hw_ops *ath9k_hw_ops(struct ath_hw *ah)
+{
+	return &ah->ops;
+}
+
+static inline u8 get_streams(int mask)
+{
+	return !!(mask & BIT(0)) + !!(mask & BIT(1)) + !!(mask & BIT(2));
+}
+
+/* Initialization, Detach, Reset */
+const char *ath9k_hw_probe(u16 vendorid, u16 devid);
+void ath9k_hw_deinit(struct ath_hw *ah);
+int ath9k_hw_init(struct ath_hw *ah);
+int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
+		   struct ath9k_hw_cal_data *caldata, int bChannelChange);
+int ath9k_hw_fill_cap_info(struct ath_hw *ah);
+u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan);
+
+/* GPIO / RFKILL / Antennae */
+void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio);
+u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio);
+void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
+			 u32 ah_signal_type);
+void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
+u32 ath9k_hw_getdefantenna(struct ath_hw *ah);
+void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
+
+/* General Operation */
+int ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
+void ath9k_hw_write_array(struct ath_hw *ah, struct ar5416IniArray *array,
+			  int column, unsigned int *writecnt);
+u32 ath9k_hw_reverse_bits(u32 val, u32 n);
+u16 ath9k_hw_computetxtime(struct ath_hw *ah,
+			   u8 phy, int kbps,
+			   u32 frameLen, u16 rateix, int shortPreamble);
+void ath9k_hw_get_channel_centers(struct ath_hw *ah,
+				  struct ath9k_channel *chan,
+				  struct chan_centers *centers);
+u32 ath9k_hw_getrxfilter(struct ath_hw *ah);
+void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits);
+int ath9k_hw_phy_disable(struct ath_hw *ah);
+int ath9k_hw_disable(struct ath_hw *ah);
+void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, int test);
+void ath9k_hw_setopmode(struct ath_hw *ah);
+void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1);
+void ath9k_hw_setbssidmask(struct ath_hw *ah);
+void ath9k_hw_write_associd(struct ath_hw *ah);
+void ath9k_hw_init_global_settings(struct ath_hw *ah);
+u32 ar9003_get_pll_sqsum_dvc(struct ath_hw *ah);
+void ath9k_hw_set11nmac2040(struct ath_hw *ah);
+int ath9k_hw_check_alive(struct ath_hw *ah);
+
+int ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
+
+void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len);
+
+/* HTC */
+void ath9k_hw_htc_resetinit(struct ath_hw *ah);
+
+/* PHY */
+void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
+				   u32 *coef_mantissa, u32 *coef_exponent);
+
+/*
+ * Code Specific to AR5008, AR9001 or AR9002,
+ * we stuff these here to avoid callbacks for AR9003.
+ */
+void ar9002_hw_cck_chan14_spread(struct ath_hw *ah);
+int ar9002_hw_rf_claim(struct ath_hw *ah);
+void ar9002_hw_enable_async_fifo(struct ath_hw *ah);
+void ar9002_hw_update_async_fifo(struct ath_hw *ah);
+void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah);
+
+/*
+ * Code specific to AR9003, we stuff these here to avoid callbacks
+ * for older families
+ */
+void ar9003_hw_disable_phy_restart(struct ath_hw *ah);
+
+/* Hardware family op attach helpers */
+void ar5008_hw_attach_phy_ops(struct ath_hw *ah);
+void ar9002_hw_attach_phy_ops(struct ath_hw *ah);
+void ar9003_hw_attach_phy_ops(struct ath_hw *ah);
+
+void ar9002_hw_attach_calib_ops(struct ath_hw *ah);
+void ar9003_hw_attach_calib_ops(struct ath_hw *ah);
+
+void ar9002_hw_attach_ops(struct ath_hw *ah);
+void ar9003_hw_attach_ops(struct ath_hw *ah);
+
+void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan);
+/*
+ * ANI work can be shared between all families but a next
+ * generation implementation of ANI will be used only for AR9003 only
+ * for now as the other families still need to be tested with the same
+ * next generation ANI. Feel free to start testing it though for the
+ * older families (AR5008, AR9001, AR9002) by using modparam_force_new_ani.
+ */
+extern int modparam_force_new_ani;
+void ath9k_ani_reset(struct ath_hw *ah, int is_scanning);
+void ath9k_hw_proc_mib_event(struct ath_hw *ah);
+void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan);
+
+#define ATH_PCIE_CAP_LINK_CTRL	0x70
+#define ATH_PCIE_CAP_LINK_L0S	1
+#define ATH_PCIE_CAP_LINK_L1	2
+
+#define ATH9K_CLOCK_RATE_CCK		22
+#define ATH9K_CLOCK_RATE_5GHZ_OFDM	40
+#define ATH9K_CLOCK_RATE_2GHZ_OFDM	44
+#define ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM 44
+
+#endif

src/drivers/net/ath/ath9k/mac.h

@@ -0,0 +1,708 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef MAC_H
+#define MAC_H
+
+#include <unistd.h>
+
+#define RXSTATUS_RATE(ah, ads) (AR_SREV_5416_20_OR_LATER(ah) ?		\
+				MS(ads->ds_rxstatus0, AR_RxRate) :	\
+				(ads->ds_rxstatus3 >> 2) & 0xFF)
+
+#define set11nTries(_series, _index) \
+	(SM((_series)[_index].Tries, AR_XmitDataTries##_index))
+
+#define set11nRate(_series, _index) \
+	(SM((_series)[_index].Rate, AR_XmitRate##_index))
+
+#define set11nPktDurRTSCTS(_series, _index)				\
+	(SM((_series)[_index].PktDuration, AR_PacketDur##_index) |	\
+	 ((_series)[_index].RateFlags & ATH9K_RATESERIES_RTS_CTS   ?	\
+	  AR_RTSCTSQual##_index : 0))
+
+#define set11nRateFlags(_series, _index)				\
+	(((_series)[_index].RateFlags & ATH9K_RATESERIES_2040 ?		\
+	  AR_2040_##_index : 0)						\
+	 |((_series)[_index].RateFlags & ATH9K_RATESERIES_HALFGI ?	\
+	   AR_GI##_index : 0)						\
+	 |((_series)[_index].RateFlags & ATH9K_RATESERIES_STBC ?	\
+	   AR_STBC##_index : 0)						\
+	 |SM((_series)[_index].ChSel, AR_ChainSel##_index))
+
+#define CCK_SIFS_TIME        10
+#define CCK_PREAMBLE_BITS   144
+#define CCK_PLCP_BITS        48
+
+#define OFDM_SIFS_TIME        16
+#define OFDM_PREAMBLE_TIME    20
+#define OFDM_PLCP_BITS        22
+#define OFDM_SYMBOL_TIME      4
+
+#define OFDM_SIFS_TIME_HALF     32
+#define OFDM_PREAMBLE_TIME_HALF 40
+#define OFDM_PLCP_BITS_HALF     22
+#define OFDM_SYMBOL_TIME_HALF   8
+
+#define OFDM_SIFS_TIME_QUARTER      64
+#define OFDM_PREAMBLE_TIME_QUARTER  80
+#define OFDM_PLCP_BITS_QUARTER      22
+#define OFDM_SYMBOL_TIME_QUARTER    16
+
+#define INIT_AIFS       2
+#define INIT_CWMIN      15
+#define INIT_CWMIN_11B  31
+#define INIT_CWMAX      1023
+#define INIT_SH_RETRY   10
+#define INIT_LG_RETRY   10
+#define INIT_SSH_RETRY  32
+#define INIT_SLG_RETRY  32
+
+#define ATH9K_SLOT_TIME_6 6
+#define ATH9K_SLOT_TIME_9 9
+#define ATH9K_SLOT_TIME_20 20
+
+#define ATH9K_TXERR_XRETRY         0x01
+#define ATH9K_TXERR_FILT           0x02
+#define ATH9K_TXERR_FIFO           0x04
+#define ATH9K_TXERR_XTXOP          0x08
+#define ATH9K_TXERR_TIMER_EXPIRED  0x10
+#define ATH9K_TX_ACKED		   0x20
+#define ATH9K_TXERR_MASK						\
+	(ATH9K_TXERR_XRETRY | ATH9K_TXERR_FILT | ATH9K_TXERR_FIFO |	\
+	 ATH9K_TXERR_XTXOP | ATH9K_TXERR_TIMER_EXPIRED)
+
+#define ATH9K_TX_BA                0x01
+#define ATH9K_TX_PWRMGMT           0x02
+#define ATH9K_TX_DESC_CFG_ERR      0x04
+#define ATH9K_TX_DATA_UNDERRUN     0x08
+#define ATH9K_TX_DELIM_UNDERRUN    0x10
+#define ATH9K_TX_SW_FILTERED       0x80
+
+/* 64 bytes */
+#define MIN_TX_FIFO_THRESHOLD   0x1
+
+/*
+ * Single stream device AR9285 and AR9271 require 2 KB
+ * to work around a hardware issue, all other devices
+ * have can use the max 4 KB limit.
+ */
+#define MAX_TX_FIFO_THRESHOLD   ((4096 / 64) - 1)
+
+struct ath_tx_status {
+	u32 ts_tstamp;
+	u16 ts_seqnum;
+	u8 ts_status;
+	u8 ts_rateindex;
+	int8_t ts_rssi;
+	u8 ts_shortretry;
+	u8 ts_longretry;
+	u8 ts_virtcol;
+	u8 ts_flags;
+	int8_t ts_rssi_ctl0;
+	int8_t ts_rssi_ctl1;
+	int8_t ts_rssi_ctl2;
+	int8_t ts_rssi_ext0;
+	int8_t ts_rssi_ext1;
+	int8_t ts_rssi_ext2;
+	u8 qid;
+	u16 desc_id;
+	u8 tid;
+	u32 ba_low;
+	u32 ba_high;
+	u32 evm0;
+	u32 evm1;
+	u32 evm2;
+};
+
+struct ath_rx_status {
+	u32 rs_tstamp;
+	u16 rs_datalen;
+	u8 rs_status;
+	u8 rs_phyerr;
+	int8_t rs_rssi;
+	u8 rs_keyix;
+	u8 rs_rate;
+	u8 rs_antenna;
+	u8 rs_more;
+	int8_t rs_rssi_ctl0;
+	int8_t rs_rssi_ctl1;
+	int8_t rs_rssi_ctl2;
+	int8_t rs_rssi_ext0;
+	int8_t rs_rssi_ext1;
+	int8_t rs_rssi_ext2;
+	u8 rs_isaggr;
+	u8 rs_moreaggr;
+	u8 rs_num_delims;
+	u8 rs_flags;
+	u32 evm0;
+	u32 evm1;
+	u32 evm2;
+	u32 evm3;
+	u32 evm4;
+};
+
+struct ath_htc_rx_status {
+	uint64_t rs_tstamp;
+	uint16_t rs_datalen;
+	u8 rs_status;
+	u8 rs_phyerr;
+	int8_t rs_rssi;
+	int8_t rs_rssi_ctl0;
+	int8_t rs_rssi_ctl1;
+	int8_t rs_rssi_ctl2;
+	int8_t rs_rssi_ext0;
+	int8_t rs_rssi_ext1;
+	int8_t rs_rssi_ext2;
+	u8 rs_keyix;
+	u8 rs_rate;
+	u8 rs_antenna;
+	u8 rs_more;
+	u8 rs_isaggr;
+	u8 rs_moreaggr;
+	u8 rs_num_delims;
+	u8 rs_flags;
+	u8 rs_dummy;
+	uint32_t evm0;
+	uint32_t evm1;
+	uint32_t evm2;
+};
+
+#define ATH9K_RXERR_CRC           0x01
+#define ATH9K_RXERR_PHY           0x02
+#define ATH9K_RXERR_FIFO          0x04
+#define ATH9K_RXERR_DECRYPT       0x08
+#define ATH9K_RXERR_MIC           0x10
+
+#define ATH9K_RX_MORE             0x01
+#define ATH9K_RX_MORE_AGGR        0x02
+#define ATH9K_RX_GI               0x04
+#define ATH9K_RX_2040             0x08
+#define ATH9K_RX_DELIM_CRC_PRE    0x10
+#define ATH9K_RX_DELIM_CRC_POST   0x20
+#define ATH9K_RX_DECRYPT_BUSY     0x40
+
+#define ATH9K_RXKEYIX_INVALID	((u8)-1)
+#define ATH9K_TXKEYIX_INVALID	((u32)-1)
+
+enum ath9k_phyerr {
+	ATH9K_PHYERR_UNDERRUN             = 0,  /* Transmit underrun */
+	ATH9K_PHYERR_TIMING               = 1,  /* Timing error */
+	ATH9K_PHYERR_PARITY               = 2,  /* Illegal parity */
+	ATH9K_PHYERR_RATE                 = 3,  /* Illegal rate */
+	ATH9K_PHYERR_LENGTH               = 4,  /* Illegal length */
+	ATH9K_PHYERR_RADAR                = 5,  /* Radar detect */
+	ATH9K_PHYERR_SERVICE              = 6,  /* Illegal service */
+	ATH9K_PHYERR_TOR                  = 7,  /* Transmit override receive */
+
+	ATH9K_PHYERR_OFDM_TIMING          = 17,
+	ATH9K_PHYERR_OFDM_SIGNAL_PARITY   = 18,
+	ATH9K_PHYERR_OFDM_RATE_ILLEGAL    = 19,
+	ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL  = 20,
+	ATH9K_PHYERR_OFDM_POWER_DROP      = 21,
+	ATH9K_PHYERR_OFDM_SERVICE         = 22,
+	ATH9K_PHYERR_OFDM_RESTART         = 23,
+	ATH9K_PHYERR_FALSE_RADAR_EXT      = 24,
+
+	ATH9K_PHYERR_CCK_TIMING           = 25,
+	ATH9K_PHYERR_CCK_HEADER_CRC       = 26,
+	ATH9K_PHYERR_CCK_RATE_ILLEGAL     = 27,
+	ATH9K_PHYERR_CCK_SERVICE          = 30,
+	ATH9K_PHYERR_CCK_RESTART          = 31,
+	ATH9K_PHYERR_CCK_LENGTH_ILLEGAL   = 32,
+	ATH9K_PHYERR_CCK_POWER_DROP       = 33,
+
+	ATH9K_PHYERR_HT_CRC_ERROR         = 34,
+	ATH9K_PHYERR_HT_LENGTH_ILLEGAL    = 35,
+	ATH9K_PHYERR_HT_RATE_ILLEGAL      = 36,
+
+	ATH9K_PHYERR_MAX                  = 37,
+};
+
+struct ath_desc {
+	u32 ds_link;
+	u32 ds_data;
+	u32 ds_ctl0;
+	u32 ds_ctl1;
+	u32 ds_hw[20];
+//	void *ds_vdata;
+} __attribute__((packed, aligned(4)));
+
+#define ATH9K_TXDESC_NOACK		0x0002
+#define ATH9K_TXDESC_RTSENA		0x0004
+#define ATH9K_TXDESC_CTSENA		0x0008
+/* ATH9K_TXDESC_INTREQ forces a tx interrupt to be generated for
+ * the descriptor its marked on.  We take a tx interrupt to reap
+ * descriptors when the h/w hits an EOL condition or
+ * when the descriptor is specifically marked to generate
+ * an interrupt with this flag. Descriptors should be
+ * marked periodically to insure timely replenishing of the
+ * supply needed for sending frames. Defering interrupts
+ * reduces system load and potentially allows more concurrent
+ * work to be done but if done to aggressively can cause
+ * senders to backup. When the hardware queue is left too
+ * large rate control information may also be too out of
+ * date. An Alternative for this is TX interrupt mitigation
+ * but this needs more testing. */
+#define ATH9K_TXDESC_INTREQ		0x0010
+#define ATH9K_TXDESC_VEOL		0x0020
+#define ATH9K_TXDESC_EXT_ONLY		0x0040
+#define ATH9K_TXDESC_EXT_AND_CTL	0x0080
+#define ATH9K_TXDESC_VMF		0x0100
+#define ATH9K_TXDESC_FRAG_IS_ON 	0x0200
+#define ATH9K_TXDESC_LOWRXCHAIN		0x0400
+#define ATH9K_TXDESC_LDPC		0x00010000
+
+#define ATH9K_RXDESC_INTREQ		0x0020
+
+struct ar5416_desc {
+	u32 ds_link;
+	u32 ds_data;
+	u32 ds_ctl0;
+	u32 ds_ctl1;
+	union {
+		struct {
+			u32 ctl2;
+			u32 ctl3;
+			u32 ctl4;
+			u32 ctl5;
+			u32 ctl6;
+			u32 ctl7;
+			u32 ctl8;
+			u32 ctl9;
+			u32 ctl10;
+			u32 ctl11;
+			u32 status0;
+			u32 status1;
+			u32 status2;
+			u32 status3;
+			u32 status4;
+			u32 status5;
+			u32 status6;
+			u32 status7;
+			u32 status8;
+			u32 status9;
+		} tx;
+		struct {
+			u32 status0;
+			u32 status1;
+			u32 status2;
+			u32 status3;
+			u32 status4;
+			u32 status5;
+			u32 status6;
+			u32 status7;
+			u32 status8;
+		} rx;
+	} u;
+} __attribute__((packed, aligned(4)));
+
+#define AR5416DESC(_ds)         ((struct ar5416_desc *)(_ds))
+#define AR5416DESC_CONST(_ds)   ((const struct ar5416_desc *)(_ds))
+
+#define ds_ctl2     u.tx.ctl2
+#define ds_ctl3     u.tx.ctl3
+#define ds_ctl4     u.tx.ctl4
+#define ds_ctl5     u.tx.ctl5
+#define ds_ctl6     u.tx.ctl6
+#define ds_ctl7     u.tx.ctl7
+#define ds_ctl8     u.tx.ctl8
+#define ds_ctl9     u.tx.ctl9
+#define ds_ctl10    u.tx.ctl10
+#define ds_ctl11    u.tx.ctl11
+
+#define ds_txstatus0    u.tx.status0
+#define ds_txstatus1    u.tx.status1
+#define ds_txstatus2    u.tx.status2
+#define ds_txstatus3    u.tx.status3
+#define ds_txstatus4    u.tx.status4
+#define ds_txstatus5    u.tx.status5
+#define ds_txstatus6    u.tx.status6
+#define ds_txstatus7    u.tx.status7
+#define ds_txstatus8    u.tx.status8
+#define ds_txstatus9    u.tx.status9
+
+#define ds_rxstatus0    u.rx.status0
+#define ds_rxstatus1    u.rx.status1
+#define ds_rxstatus2    u.rx.status2
+#define ds_rxstatus3    u.rx.status3
+#define ds_rxstatus4    u.rx.status4
+#define ds_rxstatus5    u.rx.status5
+#define ds_rxstatus6    u.rx.status6
+#define ds_rxstatus7    u.rx.status7
+#define ds_rxstatus8    u.rx.status8
+
+#define AR_FrameLen         0x00000fff
+#define AR_VirtMoreFrag     0x00001000
+#define AR_TxCtlRsvd00      0x0000e000
+#define AR_XmitPower        0x003f0000
+#define AR_XmitPower_S      16
+#define AR_RTSEnable        0x00400000
+#define AR_VEOL             0x00800000
+#define AR_ClrDestMask      0x01000000
+#define AR_TxCtlRsvd01      0x1e000000
+#define AR_TxIntrReq        0x20000000
+#define AR_DestIdxValid     0x40000000
+#define AR_CTSEnable        0x80000000
+
+#define AR_TxMore           0x00001000
+#define AR_DestIdx          0x000fe000
+#define AR_DestIdx_S        13
+#define AR_FrameType        0x00f00000
+#define AR_FrameType_S      20
+#define AR_NoAck            0x01000000
+#define AR_InsertTS         0x02000000
+#define AR_CorruptFCS       0x04000000
+#define AR_ExtOnly          0x08000000
+#define AR_ExtAndCtl        0x10000000
+#define AR_MoreAggr         0x20000000
+#define AR_IsAggr           0x40000000
+
+#define AR_BurstDur         0x00007fff
+#define AR_BurstDur_S       0
+#define AR_DurUpdateEna     0x00008000
+#define AR_XmitDataTries0   0x000f0000
+#define AR_XmitDataTries0_S 16
+#define AR_XmitDataTries1   0x00f00000
+#define AR_XmitDataTries1_S 20
+#define AR_XmitDataTries2   0x0f000000
+#define AR_XmitDataTries2_S 24
+#define AR_XmitDataTries3   0xf0000000
+#define AR_XmitDataTries3_S 28
+
+#define AR_XmitRate0        0x000000ff
+#define AR_XmitRate0_S      0
+#define AR_XmitRate1        0x0000ff00
+#define AR_XmitRate1_S      8
+#define AR_XmitRate2        0x00ff0000
+#define AR_XmitRate2_S      16
+#define AR_XmitRate3        0xff000000
+#define AR_XmitRate3_S      24
+
+#define AR_PacketDur0       0x00007fff
+#define AR_PacketDur0_S     0
+#define AR_RTSCTSQual0      0x00008000
+#define AR_PacketDur1       0x7fff0000
+#define AR_PacketDur1_S     16
+#define AR_RTSCTSQual1      0x80000000
+
+#define AR_PacketDur2       0x00007fff
+#define AR_PacketDur2_S     0
+#define AR_RTSCTSQual2      0x00008000
+#define AR_PacketDur3       0x7fff0000
+#define AR_PacketDur3_S     16
+#define AR_RTSCTSQual3      0x80000000
+
+#define AR_AggrLen          0x0000ffff
+#define AR_AggrLen_S        0
+#define AR_TxCtlRsvd60      0x00030000
+#define AR_PadDelim         0x03fc0000
+#define AR_PadDelim_S       18
+#define AR_EncrType         0x0c000000
+#define AR_EncrType_S       26
+#define AR_TxCtlRsvd61      0xf0000000
+#define AR_LDPC             0x80000000
+
+#define AR_2040_0           0x00000001
+#define AR_GI0              0x00000002
+#define AR_ChainSel0        0x0000001c
+#define AR_ChainSel0_S      2
+#define AR_2040_1           0x00000020
+#define AR_GI1              0x00000040
+#define AR_ChainSel1        0x00000380
+#define AR_ChainSel1_S      7
+#define AR_2040_2           0x00000400
+#define AR_GI2              0x00000800
+#define AR_ChainSel2        0x00007000
+#define AR_ChainSel2_S      12
+#define AR_2040_3           0x00008000
+#define AR_GI3              0x00010000
+#define AR_ChainSel3        0x000e0000
+#define AR_ChainSel3_S      17
+#define AR_RTSCTSRate       0x0ff00000
+#define AR_RTSCTSRate_S     20
+#define AR_STBC0            0x10000000
+#define AR_STBC1            0x20000000
+#define AR_STBC2            0x40000000
+#define AR_STBC3            0x80000000
+
+#define AR_TxRSSIAnt00      0x000000ff
+#define AR_TxRSSIAnt00_S    0
+#define AR_TxRSSIAnt01      0x0000ff00
+#define AR_TxRSSIAnt01_S    8
+#define AR_TxRSSIAnt02      0x00ff0000
+#define AR_TxRSSIAnt02_S    16
+#define AR_TxStatusRsvd00   0x3f000000
+#define AR_TxBaStatus       0x40000000
+#define AR_TxStatusRsvd01   0x80000000
+
+/*
+ * AR_FrmXmitOK - Frame transmission success flag. If set, the frame was
+ * transmitted successfully. If clear, no ACK or BA was received to indicate
+ * successful transmission when we were expecting an ACK or BA.
+ */
+#define AR_FrmXmitOK            0x00000001
+#define AR_ExcessiveRetries     0x00000002
+#define AR_FIFOUnderrun         0x00000004
+#define AR_Filtered             0x00000008
+#define AR_RTSFailCnt           0x000000f0
+#define AR_RTSFailCnt_S         4
+#define AR_DataFailCnt          0x00000f00
+#define AR_DataFailCnt_S        8
+#define AR_VirtRetryCnt         0x0000f000
+#define AR_VirtRetryCnt_S       12
+#define AR_TxDelimUnderrun      0x00010000
+#define AR_TxDataUnderrun       0x00020000
+#define AR_DescCfgErr           0x00040000
+#define AR_TxTimerExpired       0x00080000
+#define AR_TxStatusRsvd10       0xfff00000
+
+#define AR_SendTimestamp    ds_txstatus2
+#define AR_BaBitmapLow      ds_txstatus3
+#define AR_BaBitmapHigh     ds_txstatus4
+
+#define AR_TxRSSIAnt10      0x000000ff
+#define AR_TxRSSIAnt10_S    0
+#define AR_TxRSSIAnt11      0x0000ff00
+#define AR_TxRSSIAnt11_S    8
+#define AR_TxRSSIAnt12      0x00ff0000
+#define AR_TxRSSIAnt12_S    16
+#define AR_TxRSSICombined   0xff000000
+#define AR_TxRSSICombined_S 24
+
+#define AR_TxTid	0xf0000000
+#define AR_TxTid_S	28
+
+#define AR_TxEVM0           ds_txstatus5
+#define AR_TxEVM1           ds_txstatus6
+#define AR_TxEVM2           ds_txstatus7
+
+#define AR_TxDone           0x00000001
+#define AR_SeqNum           0x00001ffe
+#define AR_SeqNum_S         1
+#define AR_TxStatusRsvd80   0x0001e000
+#define AR_TxOpExceeded     0x00020000
+#define AR_TxStatusRsvd81   0x001c0000
+#define AR_FinalTxIdx       0x00600000
+#define AR_FinalTxIdx_S     21
+#define AR_TxStatusRsvd82   0x01800000
+#define AR_PowerMgmt        0x02000000
+#define AR_TxStatusRsvd83   0xfc000000
+
+#define AR_RxCTLRsvd00  0xffffffff
+
+#define AR_RxCtlRsvd00  0x00001000
+#define AR_RxIntrReq    0x00002000
+#define AR_RxCtlRsvd01  0xffffc000
+
+#define AR_RxRSSIAnt00      0x000000ff
+#define AR_RxRSSIAnt00_S    0
+#define AR_RxRSSIAnt01      0x0000ff00
+#define AR_RxRSSIAnt01_S    8
+#define AR_RxRSSIAnt02      0x00ff0000
+#define AR_RxRSSIAnt02_S    16
+#define AR_RxRate           0xff000000
+#define AR_RxRate_S         24
+#define AR_RxStatusRsvd00   0xff000000
+
+#define AR_DataLen          0x00000fff
+#define AR_RxMore           0x00001000
+#define AR_NumDelim         0x003fc000
+#define AR_NumDelim_S       14
+#define AR_RxStatusRsvd10   0xff800000
+
+#define AR_RcvTimestamp     ds_rxstatus2
+
+#define AR_GI               0x00000001
+#define AR_2040             0x00000002
+#define AR_Parallel40       0x00000004
+#define AR_Parallel40_S     2
+#define AR_RxStatusRsvd30   0x000000f8
+#define AR_RxAntenna	    0xffffff00
+#define AR_RxAntenna_S	    8
+
+#define AR_RxRSSIAnt10            0x000000ff
+#define AR_RxRSSIAnt10_S          0
+#define AR_RxRSSIAnt11            0x0000ff00
+#define AR_RxRSSIAnt11_S          8
+#define AR_RxRSSIAnt12            0x00ff0000
+#define AR_RxRSSIAnt12_S          16
+#define AR_RxRSSICombined         0xff000000
+#define AR_RxRSSICombined_S       24
+
+#define AR_RxEVM0           ds_rxstatus4
+#define AR_RxEVM1           ds_rxstatus5
+#define AR_RxEVM2           ds_rxstatus6
+
+#define AR_RxDone           0x00000001
+#define AR_RxFrameOK        0x00000002
+#define AR_CRCErr           0x00000004
+#define AR_DecryptCRCErr    0x00000008
+#define AR_PHYErr           0x00000010
+#define AR_MichaelErr       0x00000020
+#define AR_PreDelimCRCErr   0x00000040
+#define AR_RxStatusRsvd70   0x00000080
+#define AR_RxKeyIdxValid    0x00000100
+#define AR_KeyIdx           0x0000fe00
+#define AR_KeyIdx_S         9
+#define AR_PHYErrCode       0x0000ff00
+#define AR_PHYErrCode_S     8
+#define AR_RxMoreAggr       0x00010000
+#define AR_RxAggr           0x00020000
+#define AR_PostDelimCRCErr  0x00040000
+#define AR_RxStatusRsvd71   0x3ff80000
+#define AR_DecryptBusyErr   0x40000000
+#define AR_KeyMiss          0x80000000
+
+enum ath9k_tx_queue {
+	ATH9K_TX_QUEUE_INACTIVE = 0,
+	ATH9K_TX_QUEUE_DATA,
+};
+
+#define	ATH9K_NUM_TX_QUEUES 1
+
+/* Used as a queue subtype instead of a WMM AC */
+#define ATH9K_WME_UPSD	4
+
+enum ath9k_tx_queue_flags {
+	TXQ_FLAG_TXOKINT_ENABLE = 0x0001,
+	TXQ_FLAG_TXERRINT_ENABLE = 0x0001,
+	TXQ_FLAG_TXDESCINT_ENABLE = 0x0002,
+	TXQ_FLAG_TXEOLINT_ENABLE = 0x0004,
+	TXQ_FLAG_TXURNINT_ENABLE = 0x0008,
+	TXQ_FLAG_BACKOFF_DISABLE = 0x0010,
+	TXQ_FLAG_COMPRESSION_ENABLE = 0x0020,
+	TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE = 0x0040,
+	TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE = 0x0080,
+};
+
+#define ATH9K_TXQ_USEDEFAULT ((u32) -1)
+#define ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS 0x00000001
+
+#define ATH9K_DECOMP_MASK_SIZE     128
+#define ATH9K_READY_TIME_LO_BOUND  50
+#define ATH9K_READY_TIME_HI_BOUND  96
+
+enum ath9k_pkt_type {
+	ATH9K_PKT_TYPE_NORMAL = 0,
+	ATH9K_PKT_TYPE_ATIM,
+	ATH9K_PKT_TYPE_PSPOLL,
+	ATH9K_PKT_TYPE_BEACON,
+	ATH9K_PKT_TYPE_PROBE_RESP,
+	ATH9K_PKT_TYPE_CHIRP,
+	ATH9K_PKT_TYPE_GRP_POLL,
+};
+
+struct ath9k_tx_queue_info {
+	u32 tqi_ver;
+	enum ath9k_tx_queue tqi_type;
+	int tqi_subtype;
+	enum ath9k_tx_queue_flags tqi_qflags;
+	u32 tqi_priority;
+	u32 tqi_aifs;
+	u32 tqi_cwmin;
+	u32 tqi_cwmax;
+	u16 tqi_shretry;
+	u16 tqi_lgretry;
+	u32 tqi_cbrPeriod;
+	u32 tqi_cbrOverflowLimit;
+	u32 tqi_burstTime;
+	u32 tqi_readyTime;
+	u32 tqi_physCompBuf;
+	u32 tqi_intFlags;
+};
+
+enum ath9k_rx_filter {
+	ATH9K_RX_FILTER_UCAST = 0x00000001,
+	ATH9K_RX_FILTER_MCAST = 0x00000002,
+	ATH9K_RX_FILTER_BCAST = 0x00000004,
+	ATH9K_RX_FILTER_CONTROL = 0x00000008,
+	ATH9K_RX_FILTER_BEACON = 0x00000010,
+	ATH9K_RX_FILTER_PROM = 0x00000020,
+	ATH9K_RX_FILTER_PROBEREQ = 0x00000080,
+	ATH9K_RX_FILTER_PHYERR = 0x00000100,
+	ATH9K_RX_FILTER_MYBEACON = 0x00000200,
+	ATH9K_RX_FILTER_COMP_BAR = 0x00000400,
+	ATH9K_RX_FILTER_COMP_BA = 0x00000800,
+	ATH9K_RX_FILTER_UNCOMP_BA_BAR = 0x00001000,
+	ATH9K_RX_FILTER_PSPOLL = 0x00004000,
+	ATH9K_RX_FILTER_PHYRADAR = 0x00002000,
+	ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000,
+};
+
+#define ATH9K_RATESERIES_RTS_CTS  0x0001
+#define ATH9K_RATESERIES_2040     0x0002
+#define ATH9K_RATESERIES_HALFGI   0x0004
+#define ATH9K_RATESERIES_STBC     0x0008
+
+struct ath9k_11n_rate_series {
+	u32 Tries;
+	u32 Rate;
+	u32 PktDuration;
+	u32 ChSel;
+	u32 RateFlags;
+};
+
+enum ath9k_key_type {
+	ATH9K_KEY_TYPE_CLEAR,
+	ATH9K_KEY_TYPE_WEP,
+	ATH9K_KEY_TYPE_AES,
+	ATH9K_KEY_TYPE_TKIP,
+};
+
+struct ath_hw;
+struct ath9k_channel;
+enum ath9k_int;
+
+u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
+void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);
+void ath9k_hw_txstart(struct ath_hw *ah, u32 q);
+void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds);
+u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q);
+int ath9k_hw_updatetxtriglevel(struct ath_hw *ah, int bIncTrigLevel);
+int ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q);
+void ath9k_hw_abort_tx_dma(struct ath_hw *ah);
+void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs);
+int ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
+			    const struct ath9k_tx_queue_info *qinfo);
+int ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
+			    struct ath9k_tx_queue_info *qinfo);
+int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
+			  const struct ath9k_tx_queue_info *qinfo);
+int ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q);
+int ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q);
+int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
+			struct ath_rx_status *rs, u64 tsf);
+void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
+			  u32 size, u32 flags);
+int ath9k_hw_setrxabort(struct ath_hw *ah, int set);
+void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
+void ath9k_hw_startpcureceive(struct ath_hw *ah, int is_scanning);
+void ath9k_hw_abortpcurecv(struct ath_hw *ah);
+int ath9k_hw_stopdmarecv(struct ath_hw *ah, int *reset);
+
+/* Interrupt Handling */
+int ath9k_hw_intrpend(struct ath_hw *ah);
+void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints);
+void ath9k_hw_enable_interrupts(struct ath_hw *ah);
+void ath9k_hw_disable_interrupts(struct ath_hw *ah);
+
+void ar9002_hw_attach_mac_ops(struct ath_hw *ah);
+
+#endif /* MAC_H */

src/drivers/net/ath/ath9k/phy.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef PHY_H
+#define PHY_H
+
+#define CHANSEL_DIV		15
+#define CHANSEL_2G(_freq)	(((_freq) * 0x10000) / CHANSEL_DIV)
+#define CHANSEL_5G(_freq)	(((_freq) * 0x8000) / CHANSEL_DIV)
+
+#define AR_PHY_BASE     0x9800
+#define AR_PHY(_n)      (AR_PHY_BASE + ((_n)<<2))
+
+#define AR_PHY_TX_PWRCTRL_TX_GAIN_TAB_MAX   0x0007E000
+#define AR_PHY_TX_PWRCTRL_TX_GAIN_TAB_MAX_S 13
+#define AR_PHY_TX_GAIN_CLC       0x0000001E
+#define AR_PHY_TX_GAIN_CLC_S     1
+#define AR_PHY_TX_GAIN           0x0007F000
+#define AR_PHY_TX_GAIN_S         12
+
+#define AR_PHY_CLC_TBL1      0xa35c
+#define AR_PHY_CLC_I0        0x07ff0000
+#define AR_PHY_CLC_I0_S      16
+#define AR_PHY_CLC_Q0        0x0000ffd0
+#define AR_PHY_CLC_Q0_S      5
+
+#define ANTSWAP_AB 0x0001
+#define REDUCE_CHAIN_0 0x00000050
+#define REDUCE_CHAIN_1 0x00000051
+#define AR_PHY_CHIP_ID 0x9818
+
+#define	AR_PHY_TIMING11_SPUR_FREQ_SD		0x3FF00000
+#define	AR_PHY_TIMING11_SPUR_FREQ_SD_S		20
+
+#define AR_PHY_PLL_CONTROL 0x16180
+#define AR_PHY_PLL_MODE 0x16184
+
+#endif

src/drivers/net/ath/ath_hw.c

@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "ath.h"
+#include "reg.h"
+
+#define REG_READ	(common->ops->read)
+#define REG_WRITE	(common->ops->write)
+
+/**
+ * ath_hw_set_bssid_mask - filter out bssids we listen
+ *
+ * @common: the ath_common struct for the device.
+ *
+ * BSSID masking is a method used by AR5212 and newer hardware to inform PCU
+ * which bits of the interface's MAC address should be looked at when trying
+ * to decide which packets to ACK. In station mode and AP mode with a single
+ * BSS every bit matters since we lock to only one BSS. In AP mode with
+ * multiple BSSes (virtual interfaces) not every bit matters because hw must
+ * accept frames for all BSSes and so we tweak some bits of our mac address
+ * in order to have multiple BSSes.
+ *
+ * NOTE: This is a simple filter and does *not* filter out all
+ * relevant frames. Some frames that are not for us might get ACKed from us
+ * by PCU because they just match the mask.
+ *
+ * When handling multiple BSSes you can get the BSSID mask by computing the
+ * set of  ~ ( MAC XOR BSSID ) for all bssids we handle.
+ *
+ * When you do this you are essentially computing the common bits of all your
+ * BSSes. Later it is assumed the hardware will "and" (&) the BSSID mask with
+ * the MAC address to obtain the relevant bits and compare the result with
+ * (frame's BSSID & mask) to see if they match.
+ *
+ * Simple example: on your card you have have two BSSes you have created with
+ * BSSID-01 and BSSID-02. Lets assume BSSID-01 will not use the MAC address.
+ * There is another BSSID-03 but you are not part of it. For simplicity's sake,
+ * assuming only 4 bits for a mac address and for BSSIDs you can then have:
+ *
+ *                  \
+ * MAC:        0001 |
+ * BSSID-01:   0100 | --> Belongs to us
+ * BSSID-02:   1001 |
+ *                  /
+ * -------------------
+ * BSSID-03:   0110  | --> External
+ * -------------------
+ *
+ * Our bssid_mask would then be:
+ *
+ *             On loop iteration for BSSID-01:
+ *             ~(0001 ^ 0100)  -> ~(0101)
+ *                             ->   1010
+ *             bssid_mask      =    1010
+ *
+ *             On loop iteration for BSSID-02:
+ *             bssid_mask &= ~(0001   ^   1001)
+ *             bssid_mask =   (1010)  & ~(0001 ^ 1001)
+ *             bssid_mask =   (1010)  & ~(1000)
+ *             bssid_mask =   (1010)  &  (0111)
+ *             bssid_mask =   0010
+ *
+ * A bssid_mask of 0010 means "only pay attention to the second least
+ * significant bit". This is because its the only bit common
+ * amongst the MAC and all BSSIDs we support. To findout what the real
+ * common bit is we can simply "&" the bssid_mask now with any BSSID we have
+ * or our MAC address (we assume the hardware uses the MAC address).
+ *
+ * Now, suppose there's an incoming frame for BSSID-03:
+ *
+ * IFRAME-01:  0110
+ *
+ * An easy eye-inspeciton of this already should tell you that this frame
+ * will not pass our check. This is because the bssid_mask tells the
+ * hardware to only look at the second least significant bit and the
+ * common bit amongst the MAC and BSSIDs is 0, this frame has the 2nd LSB
+ * as 1, which does not match 0.
+ *
+ * So with IFRAME-01 we *assume* the hardware will do:
+ *
+ *     allow = (IFRAME-01 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0;
+ *  --> allow = (0110 & 0010) == (0010 & 0001) ? 1 : 0;
+ *  --> allow = (0010) == 0000 ? 1 : 0;
+ *  --> allow = 0
+ *
+ *  Lets now test a frame that should work:
+ *
+ * IFRAME-02:  0001 (we should allow)
+ *
+ *     allow = (IFRAME-02 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0;
+ *  --> allow = (0001 & 0010) ==  (0010 & 0001) ? 1 :0;
+ *  --> allow = (0000) == (0000)
+ *  --> allow = 1
+ *
+ * Other examples:
+ *
+ * IFRAME-03:  0100 --> allowed
+ * IFRAME-04:  1001 --> allowed
+ * IFRAME-05:  1101 --> allowed but its not for us!!!
+ *
+ */
+void ath_hw_setbssidmask(struct ath_common *common)
+{
+	void *ah = common->ah;
+
+	REG_WRITE(ah, get_unaligned_le32(common->bssidmask), AR_BSSMSKL);
+	REG_WRITE(ah, get_unaligned_le16(common->bssidmask + 4), AR_BSSMSKU);
+}
+
+
+/**
+ * ath_hw_cycle_counters_update - common function to update cycle counters
+ *
+ * @common: the ath_common struct for the device.
+ *
+ * This function is used to update all cycle counters in one place.
+ * It has to be called while holding common->cc_lock!
+ */
+void ath_hw_cycle_counters_update(struct ath_common *common)
+{
+	u32 cycles, busy, rx, tx;
+	void *ah = common->ah;
+
+	/* freeze */
+	REG_WRITE(ah, AR_MIBC_FMC, AR_MIBC);
+
+	/* read */
+	cycles = REG_READ(ah, AR_CCCNT);
+	busy = REG_READ(ah, AR_RCCNT);
+	rx = REG_READ(ah, AR_RFCNT);
+	tx = REG_READ(ah, AR_TFCNT);
+
+	/* clear */
+	REG_WRITE(ah, 0, AR_CCCNT);
+	REG_WRITE(ah, 0, AR_RFCNT);
+	REG_WRITE(ah, 0, AR_RCCNT);
+	REG_WRITE(ah, 0, AR_TFCNT);
+
+	/* unfreeze */
+	REG_WRITE(ah, 0, AR_MIBC);
+
+	/* update all cycle counters here */
+	common->cc_ani.cycles += cycles;
+	common->cc_ani.rx_busy += busy;
+	common->cc_ani.rx_frame += rx;
+	common->cc_ani.tx_frame += tx;
+
+	common->cc_survey.cycles += cycles;
+	common->cc_survey.rx_busy += busy;
+	common->cc_survey.rx_frame += rx;
+	common->cc_survey.tx_frame += tx;
+}
+
+int32_t ath_hw_get_listen_time(struct ath_common *common)
+{
+	struct ath_cycle_counters *cc = &common->cc_ani;
+	int32_t listen_time;
+
+	listen_time = (cc->cycles - cc->rx_frame - cc->tx_frame) /
+		      (common->clockrate * 1000);
+
+	memset(cc, 0, sizeof(*cc));
+
+	return listen_time;
+}

src/drivers/net/ath/ath_key.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2009 Atheros Communications Inc.
+ * Copyright (c) 2010 Bruno Randolf <br1@einfach.org>
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "ath.h"
+#include "reg.h"
+
+#define REG_READ			(common->ops->read)
+#define REG_WRITE(_ah, _reg, _val)	(common->ops->write)(_ah, _val, _reg)
+#define ENABLE_REGWRITE_BUFFER(_ah)			\
+	if (common->ops->enable_write_buffer)		\
+		common->ops->enable_write_buffer((_ah));
+
+#define REGWRITE_BUFFER_FLUSH(_ah)			\
+	if (common->ops->write_flush)			\
+		common->ops->write_flush((_ah));
+
+
+#define IEEE80211_WEP_NKID      4       /* number of key ids */
+
+/************************/
+/* Key Cache Management */
+/************************/
+
+int ath_hw_keyreset(struct ath_common *common, u16 entry)
+{
+	u32 keyType;
+	void *ah = common->ah;
+
+	if (entry >= common->keymax) {
+		DBG("ath: keycache entry %d out of range\n", entry);
+		return 0;
+	}
+
+	keyType = REG_READ(ah, AR_KEYTABLE_TYPE(entry));
+
+	ENABLE_REGWRITE_BUFFER(ah);
+
+	REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
+	REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
+	REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
+	REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
+	REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
+	REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), AR_KEYTABLE_TYPE_CLR);
+	REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
+	REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
+
+	if (keyType == AR_KEYTABLE_TYPE_TKIP) {
+		u16 micentry = entry + 64;
+
+		REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), 0);
+		REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
+		REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), 0);
+		REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
+		if (common->crypt_caps & ATH_CRYPT_CAP_MIC_COMBINED) {
+			REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), 0);
+			REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
+				  AR_KEYTABLE_TYPE_CLR);
+		}
+
+	}
+
+	REGWRITE_BUFFER_FLUSH(ah);
+
+	return 1;
+}

src/drivers/net/ath/ath_main.c

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ipxe/io.h>
+
+#include "ath.h"
+
+struct io_buffer *ath_rxbuf_alloc(struct ath_common *common,
+				u32 len,
+				u32 *iob_addr)
+{
+	struct io_buffer *iob;
+	u32 off;
+
+	/*
+	 * Cache-line-align.  This is important (for the
+	 * 5210 at least) as not doing so causes bogus data
+	 * in rx'd frames.
+	 */
+
+	/* Note: the kernel can allocate a value greater than
+	 * what we ask it to give us. We really only need 4 KB as that
+	 * is this hardware supports and in fact we need at least 3849
+	 * as that is the MAX AMSDU size this hardware supports.
+	 * Unfortunately this means we may get 8 KB here from the
+	 * kernel... and that is actually what is observed on some
+	 * systems :( */
+	iob = alloc_iob(len + common->cachelsz - 1);
+	if (iob != NULL) {
+		*iob_addr = virt_to_bus(iob->data);
+		off = ((unsigned long) iob->data) % common->cachelsz;
+		if (off != 0)
+		{
+			iob_reserve(iob, common->cachelsz - off);
+			*iob_addr += common->cachelsz - off;
+		}
+	} else {
+		DBG("ath: iobuffer alloc of size %d failed\n", len);
+		return NULL;
+	}
+
+	return iob;
+}

src/drivers/net/ath/ath_regd.c

@@ -0,0 +1,602 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "regd.h"
+#include "regd_common.h"
+
+/*
+ * This is a set of common rules used by our world regulatory domains.
+ * We have 12 world regulatory domains. To save space we consolidate
+ * the regulatory domains in 5 structures by frequency and change
+ * the flags on our reg_notifier() on a case by case basis.
+ */
+
+/* Only these channels all allow active scan on all world regulatory domains */
+#define ATH9K_2GHZ_CH01_11	REG_RULE(2412-10, 2462+10, 40, 0, 20, 0)
+
+/* We enable active scan on these a case by case basis by regulatory domain */
+#define ATH9K_2GHZ_CH12_13	REG_RULE(2467-10, 2472+10, 40, 0, 20,\
+					NL80211_RRF_PASSIVE_SCAN)
+#define ATH9K_2GHZ_CH14		REG_RULE(2484-10, 2484+10, 40, 0, 20,\
+				NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_OFDM)
+
+/* We allow IBSS on these on a case by case basis by regulatory domain */
+#define ATH9K_5GHZ_5150_5350	REG_RULE(5150-10, 5350+10, 40, 0, 30,\
+				NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+#define ATH9K_5GHZ_5470_5850	REG_RULE(5470-10, 5850+10, 40, 0, 30,\
+				NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+#define ATH9K_5GHZ_5725_5850	REG_RULE(5725-10, 5850+10, 40, 0, 30,\
+				NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
+
+#define ATH9K_2GHZ_ALL		ATH9K_2GHZ_CH01_11, \
+				ATH9K_2GHZ_CH12_13, \
+				ATH9K_2GHZ_CH14
+
+#define ATH9K_5GHZ_ALL		ATH9K_5GHZ_5150_5350, \
+				ATH9K_5GHZ_5470_5850
+
+/* This one skips what we call "mid band" */
+#define ATH9K_5GHZ_NO_MIDBAND	ATH9K_5GHZ_5150_5350, \
+				ATH9K_5GHZ_5725_5850
+
+///* Can be used for:
+// * 0x60, 0x61, 0x62 */
+//static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {
+//	.n_reg_rules = 5,
+//	.alpha2 =  "99",
+//	.reg_rules = {
+//		ATH9K_2GHZ_ALL,
+//		ATH9K_5GHZ_ALL,
+//	}
+//};
+//
+///* Can be used by 0x63 and 0x65 */
+//static const struct ieee80211_regdomain ath_world_regdom_63_65 = {
+//	.n_reg_rules = 4,
+//	.alpha2 =  "99",
+//	.reg_rules = {
+//		ATH9K_2GHZ_CH01_11,
+//		ATH9K_2GHZ_CH12_13,
+//		ATH9K_5GHZ_NO_MIDBAND,
+//	}
+//};
+//
+///* Can be used by 0x64 only */
+//static const struct ieee80211_regdomain ath_world_regdom_64 = {
+//	.n_reg_rules = 3,
+//	.alpha2 =  "99",
+//	.reg_rules = {
+//		ATH9K_2GHZ_CH01_11,
+//		ATH9K_5GHZ_NO_MIDBAND,
+//	}
+//};
+//
+///* Can be used by 0x66 and 0x69 */
+//static const struct ieee80211_regdomain ath_world_regdom_66_69 = {
+//	.n_reg_rules = 3,
+//	.alpha2 =  "99",
+//	.reg_rules = {
+//		ATH9K_2GHZ_CH01_11,
+//		ATH9K_5GHZ_ALL,
+//	}
+//};
+//
+///* Can be used by 0x67, 0x68, 0x6A and 0x6C */
+//static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {
+//	.n_reg_rules = 4,
+//	.alpha2 =  "99",
+//	.reg_rules = {
+//		ATH9K_2GHZ_CH01_11,
+//		ATH9K_2GHZ_CH12_13,
+//		ATH9K_5GHZ_ALL,
+//	}
+//};
+//
+//static inline int is_wwr_sku(u16 regd)
+//{
+//	return ((regd & COUNTRY_ERD_FLAG) != COUNTRY_ERD_FLAG) &&
+//		(((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) ||
+//		(regd == WORLD));
+//}
+//
+//static u16 ath_regd_get_eepromRD(struct ath_regulatory *reg)
+//{
+//	return reg->current_rd & ~WORLDWIDE_ROAMING_FLAG;
+//}
+//
+//int ath_is_world_regd(struct ath_regulatory *reg)
+//{
+//	return is_wwr_sku(ath_regd_get_eepromRD(reg));
+//}
+//
+//static const struct ieee80211_regdomain *ath_default_world_regdomain(void)
+//{
+//	/* this is the most restrictive */
+//	return &ath_world_regdom_64;
+//}
+//
+//static const struct
+//ieee80211_regdomain *ath_world_regdomain(struct ath_regulatory *reg)
+//{
+//	switch (reg->regpair->regDmnEnum) {
+//	case 0x60:
+//	case 0x61:
+//	case 0x62:
+//		return &ath_world_regdom_60_61_62;
+//	case 0x63:
+//	case 0x65:
+//		return &ath_world_regdom_63_65;
+//	case 0x64:
+//		return &ath_world_regdom_64;
+//	case 0x66:
+//	case 0x69:
+//		return &ath_world_regdom_66_69;
+//	case 0x67:
+//	case 0x68:
+//	case 0x6A:
+//	case 0x6C:
+//		return &ath_world_regdom_67_68_6A_6C;
+//	default:
+//		WARN_ON(1);
+//		return ath_default_world_regdomain();
+//	}
+//}
+//
+//int ath_is_49ghz_allowed(u16 regdomain)
+//{
+//	/* possibly more */
+//	return regdomain == MKK9_MKKC;
+//}
+//
+///* Frequency is one where radar detection is required */
+//static int ath_is_radar_freq(u16 center_freq)
+//{
+//	return (center_freq >= 5260 && center_freq <= 5700);
+//}
+//
+///*
+// * N.B: These exception rules do not apply radar freqs.
+// *
+// * - We enable adhoc (or beaconing) if allowed by 11d
+// * - We enable active scan if the channel is allowed by 11d
+// * - If no country IE has been processed and a we determine we have
+// *   received a beacon on a channel we can enable active scan and
+// *   adhoc (or beaconing).
+// */
+//static void
+//ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
+//			      enum nl80211_reg_initiator initiator)
+//{
+//	int band;
+//	struct ieee80211_supported_band *sband;
+//	const struct ieee80211_reg_rule *reg_rule;
+//	struct net80211_channel *ch;
+//	unsigned int i;
+//	u32 bandwidth = 0;
+//	int r;
+//
+//	for (band = 0; band < NET80211_NR_BANDS; band++) {
+//
+//		if (!wiphy->bands[band])
+//			continue;
+//
+//		sband = wiphy->bands[band];
+//
+//		for (i = 0; i < sband->n_channels; i++) {
+//
+//			ch = &sband->channels[i];
+//
+//			if (ath_is_radar_freq(ch->center_freq) ||
+//			    (ch->flags & IEEE80211_CHAN_RADAR))
+//				continue;
+//
+//			if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
+//				r = freq_reg_info(wiphy,
+//						  ch->center_freq,
+//						  bandwidth,
+//						  &reg_rule);
+//				if (r)
+//					continue;
+//				/*
+//				 * If 11d had a rule for this channel ensure
+//				 * we enable adhoc/beaconing if it allows us to
+//				 * use it. Note that we would have disabled it
+//				 * by applying our static world regdomain by
+//				 * default during init, prior to calling our
+//				 * regulatory_hint().
+//				 */
+//				if (!(reg_rule->flags &
+//				    NL80211_RRF_NO_IBSS))
+//					ch->flags &=
+//					  ~IEEE80211_CHAN_NO_IBSS;
+//				if (!(reg_rule->flags &
+//				    NL80211_RRF_PASSIVE_SCAN))
+//					ch->flags &=
+//					  ~IEEE80211_CHAN_PASSIVE_SCAN;
+//			} else {
+//				if (ch->beacon_found)
+//					ch->flags &= ~(IEEE80211_CHAN_NO_IBSS |
+//					  IEEE80211_CHAN_PASSIVE_SCAN);
+//			}
+//		}
+//	}
+//
+//}
+//
+///* Allows active scan scan on Ch 12 and 13 */
+//static void
+//ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
+//				enum nl80211_reg_initiator initiator)
+//{
+//	struct ieee80211_supported_band *sband;
+//	struct net80211_channel *ch;
+//	const struct ieee80211_reg_rule *reg_rule;
+//	u32 bandwidth = 0;
+//	int r;
+//
+//	sband = wiphy->bands[NET80211_BAND_2GHZ];
+//
+//	/*
+//	 * If no country IE has been received always enable active scan
+//	 * on these channels. This is only done for specific regulatory SKUs
+//	 */
+//	if (initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) {
+//		ch = &sband->channels[11]; /* CH 12 */
+//		if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+//			ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+//		ch = &sband->channels[12]; /* CH 13 */
+//		if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+//			ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+//		return;
+//	}
+//
+//	/*
+//	 * If a country IE has been received check its rule for this
+//	 * channel first before enabling active scan. The passive scan
+//	 * would have been enforced by the initial processing of our
+//	 * custom regulatory domain.
+//	 */
+//
+//	ch = &sband->channels[11]; /* CH 12 */
+//	r = freq_reg_info(wiphy, ch->center_freq, bandwidth, &reg_rule);
+//	if (!r) {
+//		if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
+//			if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+//				ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+//	}
+//
+//	ch = &sband->channels[12]; /* CH 13 */
+//	r = freq_reg_info(wiphy, ch->center_freq, bandwidth, &reg_rule);
+//	if (!r) {
+//		if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
+//			if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+//				ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
+//	}
+//}
+//
+///* Always apply Radar/DFS rules on freq range 5260 MHz - 5700 MHz */
+//static void ath_reg_apply_radar_flags(struct wiphy *wiphy)
+//{
+//	struct ieee80211_supported_band *sband;
+//	struct net80211_channel *ch;
+//	unsigned int i;
+//
+//	if (!wiphy->bands[NET80211_BAND_5GHZ])
+//		return;
+//
+//	sband = wiphy->bands[NET80211_BAND_5GHZ];
+//
+//	for (i = 0; i < sband->n_channels; i++) {
+//		ch = &sband->channels[i];
+//		if (!ath_is_radar_freq(ch->center_freq))
+//			continue;
+//		/* We always enable radar detection/DFS on this
+//		 * frequency range. Additionally we also apply on
+//		 * this frequency range:
+//		 * - If STA mode does not yet have DFS supports disable
+//		 *   active scanning
+//		 * - If adhoc mode does not support DFS yet then
+//		 *   disable adhoc in the frequency.
+//		 * - If AP mode does not yet support radar detection/DFS
+//		 *   do not allow AP mode
+//		 */
+//		if (!(ch->flags & IEEE80211_CHAN_DISABLED))
+//			ch->flags |= IEEE80211_CHAN_RADAR |
+//				     IEEE80211_CHAN_NO_IBSS |
+//				     IEEE80211_CHAN_PASSIVE_SCAN;
+//	}
+//}
+//
+//static void ath_reg_apply_world_flags(struct wiphy *wiphy,
+//				      enum nl80211_reg_initiator initiator,
+//				      struct ath_regulatory *reg)
+//{
+//	switch (reg->regpair->regDmnEnum) {
+//	case 0x60:
+//	case 0x63:
+//	case 0x66:
+//	case 0x67:
+//	case 0x6C:
+//		ath_reg_apply_beaconing_flags(wiphy, initiator);
+//		break;
+//	case 0x68:
+//		ath_reg_apply_beaconing_flags(wiphy, initiator);
+//		ath_reg_apply_active_scan_flags(wiphy, initiator);
+//		break;
+//	}
+//}
+//
+//int ath_reg_notifier_apply(struct wiphy *wiphy,
+//			   struct regulatory_request *request,
+//			   struct ath_regulatory *reg)
+//{
+//	/* We always apply this */
+//	ath_reg_apply_radar_flags(wiphy);
+//
+//	/*
+//	 * This would happen when we have sent a custom regulatory request
+//	 * a world regulatory domain and the scheduler hasn't yet processed
+//	 * any pending requests in the queue.
+//	 */
+//	if (!request)
+//		return 0;
+//
+//	switch (request->initiator) {
+//	case NL80211_REGDOM_SET_BY_DRIVER:
+//	case NL80211_REGDOM_SET_BY_CORE:
+//	case NL80211_REGDOM_SET_BY_USER:
+//		break;
+//	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
+//		if (ath_is_world_regd(reg))
+//			ath_reg_apply_world_flags(wiphy, request->initiator,
+//						  reg);
+//		break;
+//	}
+//
+//	return 0;
+//}
+//
+//static int ath_regd_is_eeprom_valid(struct ath_regulatory *reg)
+//{
+//	u16 rd = ath_regd_get_eepromRD(reg);
+//	int i;
+//
+//	if (rd & COUNTRY_ERD_FLAG) {
+//		/* EEPROM value is a country code */
+//		u16 cc = rd & ~COUNTRY_ERD_FLAG;
+//		DBG2(
+//		       "ath: EEPROM indicates we should expect "
+//			"a country code\n");
+//		for (i = 0; i < ARRAY_SIZE(allCountries); i++)
+//			if (allCountries[i].countryCode == cc)
+//				return 1;
+//	} else {
+//		/* EEPROM value is a regpair value */
+//		if (rd != CTRY_DEFAULT)
+//			DBG2("ath: EEPROM indicates we "
+//			       "should expect a direct regpair map\n");
+//		for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
+//			if (regDomainPairs[i].regDmnEnum == rd)
+//				return 1;
+//	}
+//	DBG(
+//		 "ath: invalid regulatory domain/country code 0x%x\n", rd);
+//	return 0;
+//}
+//
+///* EEPROM country code to regpair mapping */
+//static struct country_code_to_enum_rd*
+//ath_regd_find_country(u16 countryCode)
+//{
+//	int i;
+//
+//	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
+//		if (allCountries[i].countryCode == countryCode)
+//			return &allCountries[i];
+//	}
+//	return NULL;
+//}
+//
+///* EEPROM rd code to regpair mapping */
+//static struct country_code_to_enum_rd*
+//ath_regd_find_country_by_rd(int regdmn)
+//{
+//	int i;
+//
+//	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
+//		if (allCountries[i].regDmnEnum == regdmn)
+//			return &allCountries[i];
+//	}
+//	return NULL;
+//}
+//
+///* Returns the map of the EEPROM set RD to a country code */
+//static u16 ath_regd_get_default_country(u16 rd)
+//{
+//	if (rd & COUNTRY_ERD_FLAG) {
+//		struct country_code_to_enum_rd *country = NULL;
+//		u16 cc = rd & ~COUNTRY_ERD_FLAG;
+//
+//		country = ath_regd_find_country(cc);
+//		if (country != NULL)
+//			return cc;
+//	}
+//
+//	return CTRY_DEFAULT;
+//}
+//
+//static struct reg_dmn_pair_mapping*
+//ath_get_regpair(int regdmn)
+//{
+//	int i;
+//
+//	if (regdmn == NO_ENUMRD)
+//		return NULL;
+//	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
+//		if (regDomainPairs[i].regDmnEnum == regdmn)
+//			return &regDomainPairs[i];
+//	}
+//	return NULL;
+//}
+//
+//static int
+//ath_regd_init_wiphy(struct ath_regulatory *reg,
+//		    struct wiphy *wiphy,
+//		    int (*reg_notifier)(struct wiphy *wiphy,
+//					struct regulatory_request *request))
+//{
+//	const struct ieee80211_regdomain *regd;
+//
+//	wiphy->reg_notifier = reg_notifier;
+//	wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
+//
+//	if (ath_is_world_regd(reg)) {
+//		/*
+//		 * Anything applied here (prior to wiphy registration) gets
+//		 * saved on the wiphy orig_* parameters
+//		 */
+//		regd = ath_world_regdomain(reg);
+//		wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+//	} else {
+//		/*
+//		 * This gets applied in the case of the absence of CRDA,
+//		 * it's our own custom world regulatory domain, similar to
+//		 * cfg80211's but we enable passive scanning.
+//		 */
+//		regd = ath_default_world_regdomain();
+//	}
+//	wiphy_apply_custom_regulatory(wiphy, regd);
+//	ath_reg_apply_radar_flags(wiphy);
+//	ath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg);
+//	return 0;
+//}
+//
+///*
+// * Some users have reported their EEPROM programmed with
+// * 0x8000 set, this is not a supported regulatory domain
+// * but since we have more than one user with it we need
+// * a solution for them. We default to 0x64, which is the
+// * default Atheros world regulatory domain.
+// */
+//static void ath_regd_sanitize(struct ath_regulatory *reg)
+//{
+//	if (reg->current_rd != COUNTRY_ERD_FLAG)
+//		return;
+//	DBG2("ath: EEPROM regdomain sanitized\n");
+//	reg->current_rd = 0x64;
+//}
+//
+//int
+//ath_regd_init(struct ath_regulatory *reg,
+//	      struct wiphy *wiphy,
+//	      int (*reg_notifier)(struct wiphy *wiphy,
+//				  struct regulatory_request *request))
+//{
+//	struct country_code_to_enum_rd *country = NULL;
+//	u16 regdmn;
+//
+//	if (!reg)
+//		return -EINVAL;
+//
+//	ath_regd_sanitize(reg);
+//
+//	DBG2("ath: EEPROM regdomain: 0x%0x\n", reg->current_rd);
+//
+//	if (!ath_regd_is_eeprom_valid(reg)) {
+//		DBG("ath: Invalid EEPROM contents\n");
+//		return -EINVAL;
+//	}
+//
+//	regdmn = ath_regd_get_eepromRD(reg);
+//	reg->country_code = ath_regd_get_default_country(regdmn);
+//
+//	if (reg->country_code == CTRY_DEFAULT &&
+//	    regdmn == CTRY_DEFAULT) {
+//		DBG2("ath: EEPROM indicates default "
+//		       "country code should be used\n");
+//		reg->country_code = CTRY_UNITED_STATES;
+//	}
+//
+//	if (reg->country_code == CTRY_DEFAULT) {
+//		country = NULL;
+//	} else {
+//		DBG2("ath: doing EEPROM country->regdmn "
+//		       "map search\n");
+//		country = ath_regd_find_country(reg->country_code);
+//		if (country == NULL) {
+//			DBG(
+//				"ath: no valid country maps found for "
+//				"country code: 0x%0x\n",
+//				reg->country_code);
+//			return -EINVAL;
+//		} else {
+//			regdmn = country->regDmnEnum;
+//			DBG2("ath: country maps to "
+//			       "regdmn code: 0x%0x\n",
+//			       regdmn);
+//		}
+//	}
+//
+//	reg->regpair = ath_get_regpair(regdmn);
+//
+//	if (!reg->regpair) {
+//		DBG("ath: "
+//			"No regulatory domain pair found, cannot continue\n");
+//		return -EINVAL;
+//	}
+//
+//	if (!country)
+//		country = ath_regd_find_country_by_rd(regdmn);
+//
+//	if (country) {
+//		reg->alpha2[0] = country->isoName[0];
+//		reg->alpha2[1] = country->isoName[1];
+//	} else {
+//		reg->alpha2[0] = '0';
+//		reg->alpha2[1] = '0';
+//	}
+//
+//	DBG2("ath: Country alpha2 being used: %c%c\n",
+//		reg->alpha2[0], reg->alpha2[1]);
+//	DBG2("ath: Regpair used: 0x%0x\n",
+//		reg->regpair->regDmnEnum);
+//
+//	ath_regd_init_wiphy(reg, wiphy, reg_notifier);
+//	return 0;
+//}
+
+u32 ath_regd_get_band_ctl(struct ath_regulatory *reg,
+			  int band)
+{
+	/* TODO Cottsay: reg */
+//	if (!reg->regpair ||
+//	    (reg->country_code == CTRY_DEFAULT &&
+//	     is_wwr_sku(ath_regd_get_eepromRD(reg)))) {
+//		return SD_NO_CTL;
+//	}
+
+	switch (band) {
+	case NET80211_BAND_2GHZ:
+		return reg->regpair->reg_2ghz_ctl;
+	case NET80211_BAND_5GHZ:
+		return reg->regpair->reg_5ghz_ctl;
+	default:
+		return NO_CTL;
+	}
+}

src/drivers/net/ath/reg.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ATH_REGISTERS_H
+#define ATH_REGISTERS_H
+
+#define AR_MIBC			0x0040
+#define AR_MIBC_COW		0x00000001
+#define AR_MIBC_FMC		0x00000002
+#define AR_MIBC_CMC		0x00000004
+#define AR_MIBC_MCS		0x00000008
+
+/*
+ * BSSID mask registers. See ath_hw_set_bssid_mask()
+ * for detailed documentation about these registers.
+ */
+#define AR_BSSMSKL		0x80e0
+#define AR_BSSMSKU		0x80e4
+
+#define AR_TFCNT		0x80ec
+#define AR_RFCNT		0x80f0
+#define AR_RCCNT		0x80f4
+#define AR_CCCNT		0x80f8
+
+#define AR_KEYTABLE_0           0x8800
+#define AR_KEYTABLE(_n)         (AR_KEYTABLE_0 + ((_n)*32))
+#define AR_KEY_CACHE_SIZE       128
+#define AR_RSVD_KEYTABLE_ENTRIES 4
+#define AR_KEY_TYPE             0x00000007
+#define AR_KEYTABLE_TYPE_40     0x00000000
+#define AR_KEYTABLE_TYPE_104    0x00000001
+#define AR_KEYTABLE_TYPE_128    0x00000003
+#define AR_KEYTABLE_TYPE_TKIP   0x00000004
+#define AR_KEYTABLE_TYPE_AES    0x00000005
+#define AR_KEYTABLE_TYPE_CCM    0x00000006
+#define AR_KEYTABLE_TYPE_CLR    0x00000007
+#define AR_KEYTABLE_ANT         0x00000008
+#define AR_KEYTABLE_VALID       0x00008000
+#define AR_KEYTABLE_KEY0(_n)    (AR_KEYTABLE(_n) + 0)
+#define AR_KEYTABLE_KEY1(_n)    (AR_KEYTABLE(_n) + 4)
+#define AR_KEYTABLE_KEY2(_n)    (AR_KEYTABLE(_n) + 8)
+#define AR_KEYTABLE_KEY3(_n)    (AR_KEYTABLE(_n) + 12)
+#define AR_KEYTABLE_KEY4(_n)    (AR_KEYTABLE(_n) + 16)
+#define AR_KEYTABLE_TYPE(_n)    (AR_KEYTABLE(_n) + 20)
+#define AR_KEYTABLE_MAC0(_n)    (AR_KEYTABLE(_n) + 24)
+#define AR_KEYTABLE_MAC1(_n)    (AR_KEYTABLE(_n) + 28)
+
+#endif /* ATH_REGISTERS_H */

src/drivers/net/ath/regd.h

@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef REGD_H
+#define REGD_H
+
+#include "ath.h"
+
+enum ctl_group {
+	CTL_FCC = 0x10,
+	CTL_MKK = 0x40,
+	CTL_ETSI = 0x30,
+};
+
+#define NO_CTL 0xff
+#define SD_NO_CTL               0xE0
+#define NO_CTL                  0xff
+#define CTL_11A                 0
+#define CTL_11B                 1
+#define CTL_11G                 2
+#define CTL_2GHT20              5
+#define CTL_5GHT20              6
+#define CTL_2GHT40              7
+#define CTL_5GHT40              8
+
+#define CTRY_DEBUG 0x1ff
+#define CTRY_DEFAULT 0
+
+#define COUNTRY_ERD_FLAG        0x8000
+#define WORLDWIDE_ROAMING_FLAG  0x4000
+
+#define MULTI_DOMAIN_MASK 0xFF00
+
+#define WORLD_SKU_MASK          0x00F0
+#define WORLD_SKU_PREFIX        0x0060
+
+#define CHANNEL_HALF_BW         10
+#define CHANNEL_QUARTER_BW      5
+
+struct country_code_to_enum_rd {
+	u16 countryCode;
+	u16 regDmnEnum;
+	const char *isoName;
+};
+
+enum CountryCode {
+	CTRY_ALBANIA = 8,
+	CTRY_ALGERIA = 12,
+	CTRY_ARGENTINA = 32,
+	CTRY_ARMENIA = 51,
+	CTRY_ARUBA = 533,
+	CTRY_AUSTRALIA = 36,
+	CTRY_AUSTRIA = 40,
+	CTRY_AZERBAIJAN = 31,
+	CTRY_BAHRAIN = 48,
+	CTRY_BANGLADESH = 50,
+	CTRY_BARBADOS = 52,
+	CTRY_BELARUS = 112,
+	CTRY_BELGIUM = 56,
+	CTRY_BELIZE = 84,
+	CTRY_BOLIVIA = 68,
+	CTRY_BOSNIA_HERZ = 70,
+	CTRY_BRAZIL = 76,
+	CTRY_BRUNEI_DARUSSALAM = 96,
+	CTRY_BULGARIA = 100,
+	CTRY_CAMBODIA = 116,
+	CTRY_CANADA = 124,
+	CTRY_CHILE = 152,
+	CTRY_CHINA = 156,
+	CTRY_COLOMBIA = 170,
+	CTRY_COSTA_RICA = 188,
+	CTRY_CROATIA = 191,
+	CTRY_CYPRUS = 196,
+	CTRY_CZECH = 203,
+	CTRY_DENMARK = 208,
+	CTRY_DOMINICAN_REPUBLIC = 214,
+	CTRY_ECUADOR = 218,
+	CTRY_EGYPT = 818,
+	CTRY_EL_SALVADOR = 222,
+	CTRY_ESTONIA = 233,
+	CTRY_FAEROE_ISLANDS = 234,
+	CTRY_FINLAND = 246,
+	CTRY_FRANCE = 250,
+	CTRY_GEORGIA = 268,
+	CTRY_GERMANY = 276,
+	CTRY_GREECE = 300,
+	CTRY_GREENLAND = 304,
+	CTRY_GRENEDA = 308,
+	CTRY_GUAM = 316,
+	CTRY_GUATEMALA = 320,
+	CTRY_HAITI = 332,
+	CTRY_HONDURAS = 340,
+	CTRY_HONG_KONG = 344,
+	CTRY_HUNGARY = 348,
+	CTRY_ICELAND = 352,
+	CTRY_INDIA = 356,
+	CTRY_INDONESIA = 360,
+	CTRY_IRAN = 364,
+	CTRY_IRAQ = 368,
+	CTRY_IRELAND = 372,
+	CTRY_ISRAEL = 376,
+	CTRY_ITALY = 380,
+	CTRY_JAMAICA = 388,
+	CTRY_JAPAN = 392,
+	CTRY_JORDAN = 400,
+	CTRY_KAZAKHSTAN = 398,
+	CTRY_KENYA = 404,
+	CTRY_KOREA_NORTH = 408,
+	CTRY_KOREA_ROC = 410,
+	CTRY_KOREA_ROC2 = 411,
+	CTRY_KOREA_ROC3 = 412,
+	CTRY_KUWAIT = 414,
+	CTRY_LATVIA = 428,
+	CTRY_LEBANON = 422,
+	CTRY_LIBYA = 434,
+	CTRY_LIECHTENSTEIN = 438,
+	CTRY_LITHUANIA = 440,
+	CTRY_LUXEMBOURG = 442,
+	CTRY_MACAU = 446,
+	CTRY_MACEDONIA = 807,
+	CTRY_MALAYSIA = 458,
+	CTRY_MALTA = 470,
+	CTRY_MEXICO = 484,
+	CTRY_MONACO = 492,
+	CTRY_MOROCCO = 504,
+	CTRY_NEPAL = 524,
+	CTRY_NETHERLANDS = 528,
+	CTRY_NETHERLANDS_ANTILLES = 530,
+	CTRY_NEW_ZEALAND = 554,
+	CTRY_NICARAGUA = 558,
+	CTRY_NORWAY = 578,
+	CTRY_OMAN = 512,
+	CTRY_PAKISTAN = 586,
+	CTRY_PANAMA = 591,
+	CTRY_PAPUA_NEW_GUINEA = 598,
+	CTRY_PARAGUAY = 600,
+	CTRY_PERU = 604,
+	CTRY_PHILIPPINES = 608,
+	CTRY_POLAND = 616,
+	CTRY_PORTUGAL = 620,
+	CTRY_PUERTO_RICO = 630,
+	CTRY_QATAR = 634,
+	CTRY_ROMANIA = 642,
+	CTRY_RUSSIA = 643,
+	CTRY_SAUDI_ARABIA = 682,
+	CTRY_SERBIA_MONTENEGRO = 891,
+	CTRY_SINGAPORE = 702,
+	CTRY_SLOVAKIA = 703,
+	CTRY_SLOVENIA = 705,
+	CTRY_SOUTH_AFRICA = 710,
+	CTRY_SPAIN = 724,
+	CTRY_SRI_LANKA = 144,
+	CTRY_SWEDEN = 752,
+	CTRY_SWITZERLAND = 756,
+	CTRY_SYRIA = 760,
+	CTRY_TAIWAN = 158,
+	CTRY_THAILAND = 764,
+	CTRY_TRINIDAD_Y_TOBAGO = 780,
+	CTRY_TUNISIA = 788,
+	CTRY_TURKEY = 792,
+	CTRY_UAE = 784,
+	CTRY_UKRAINE = 804,
+	CTRY_UNITED_KINGDOM = 826,
+	CTRY_UNITED_STATES = 840,
+	CTRY_UNITED_STATES_FCC49 = 842,
+	CTRY_URUGUAY = 858,
+	CTRY_UZBEKISTAN = 860,
+	CTRY_VENEZUELA = 862,
+	CTRY_VIET_NAM = 704,
+	CTRY_YEMEN = 887,
+	CTRY_ZIMBABWE = 716,
+	CTRY_JAPAN1 = 393,
+	CTRY_JAPAN2 = 394,
+	CTRY_JAPAN3 = 395,
+	CTRY_JAPAN4 = 396,
+	CTRY_JAPAN5 = 397,
+	CTRY_JAPAN6 = 4006,
+	CTRY_JAPAN7 = 4007,
+	CTRY_JAPAN8 = 4008,
+	CTRY_JAPAN9 = 4009,
+	CTRY_JAPAN10 = 4010,
+	CTRY_JAPAN11 = 4011,
+	CTRY_JAPAN12 = 4012,
+	CTRY_JAPAN13 = 4013,
+	CTRY_JAPAN14 = 4014,
+	CTRY_JAPAN15 = 4015,
+	CTRY_JAPAN16 = 4016,
+	CTRY_JAPAN17 = 4017,
+	CTRY_JAPAN18 = 4018,
+	CTRY_JAPAN19 = 4019,
+	CTRY_JAPAN20 = 4020,
+	CTRY_JAPAN21 = 4021,
+	CTRY_JAPAN22 = 4022,
+	CTRY_JAPAN23 = 4023,
+	CTRY_JAPAN24 = 4024,
+	CTRY_JAPAN25 = 4025,
+	CTRY_JAPAN26 = 4026,
+	CTRY_JAPAN27 = 4027,
+	CTRY_JAPAN28 = 4028,
+	CTRY_JAPAN29 = 4029,
+	CTRY_JAPAN30 = 4030,
+	CTRY_JAPAN31 = 4031,
+	CTRY_JAPAN32 = 4032,
+	CTRY_JAPAN33 = 4033,
+	CTRY_JAPAN34 = 4034,
+	CTRY_JAPAN35 = 4035,
+	CTRY_JAPAN36 = 4036,
+	CTRY_JAPAN37 = 4037,
+	CTRY_JAPAN38 = 4038,
+	CTRY_JAPAN39 = 4039,
+	CTRY_JAPAN40 = 4040,
+	CTRY_JAPAN41 = 4041,
+	CTRY_JAPAN42 = 4042,
+	CTRY_JAPAN43 = 4043,
+	CTRY_JAPAN44 = 4044,
+	CTRY_JAPAN45 = 4045,
+	CTRY_JAPAN46 = 4046,
+	CTRY_JAPAN47 = 4047,
+	CTRY_JAPAN48 = 4048,
+	CTRY_JAPAN49 = 4049,
+	CTRY_JAPAN50 = 4050,
+	CTRY_JAPAN51 = 4051,
+	CTRY_JAPAN52 = 4052,
+	CTRY_JAPAN53 = 4053,
+	CTRY_JAPAN54 = 4054,
+	CTRY_JAPAN55 = 4055,
+	CTRY_JAPAN56 = 4056,
+	CTRY_JAPAN57 = 4057,
+	CTRY_JAPAN58 = 4058,
+	CTRY_JAPAN59 = 4059,
+	CTRY_AUSTRALIA2 = 5000,
+	CTRY_CANADA2 = 5001,
+	CTRY_BELGIUM2 = 5002
+};
+
+int ath_is_world_regd(struct ath_regulatory *reg);
+int ath_is_49ghz_allowed(u16 redomain);
+//int ath_regd_init(struct ath_regulatory *reg, struct wiphy *wiphy,
+//		  int (*reg_notifier)(struct wiphy *wiphy,
+//		  struct regulatory_request *request));
+u32 ath_regd_get_band_ctl(struct ath_regulatory *reg,
+			  int band);
+//int ath_reg_notifier_apply(struct wiphy *wiphy,
+//			   struct regulatory_request *request,
+//			   struct ath_regulatory *reg);
+
+#endif

src/drivers/net/ath/regd_common.h

@@ -0,0 +1,481 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
+ * Original from Linux kernel 3.0.1
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef REGD_COMMON_H
+#define REGD_COMMON_H
+
+enum EnumRd {
+	NO_ENUMRD = 0x00,
+	NULL1_WORLD = 0x03,
+	NULL1_ETSIB = 0x07,
+	NULL1_ETSIC = 0x08,
+	FCC1_FCCA = 0x10,
+	FCC1_WORLD = 0x11,
+	FCC4_FCCA = 0x12,
+	FCC5_FCCA = 0x13,
+	FCC6_FCCA = 0x14,
+
+	FCC2_FCCA = 0x20,
+	FCC2_WORLD = 0x21,
+	FCC2_ETSIC = 0x22,
+	FCC6_WORLD = 0x23,
+	FRANCE_RES = 0x31,
+	FCC3_FCCA = 0x3A,
+	FCC3_WORLD = 0x3B,
+
+	ETSI1_WORLD = 0x37,
+	ETSI3_ETSIA = 0x32,
+	ETSI2_WORLD = 0x35,
+	ETSI3_WORLD = 0x36,
+	ETSI4_WORLD = 0x30,
+	ETSI4_ETSIC = 0x38,
+	ETSI5_WORLD = 0x39,
+	ETSI6_WORLD = 0x34,
+	ETSI_RESERVED = 0x33,
+
+	MKK1_MKKA = 0x40,
+	MKK1_MKKB = 0x41,
+	APL4_WORLD = 0x42,
+	MKK2_MKKA = 0x43,
+	APL_RESERVED = 0x44,
+	APL2_WORLD = 0x45,
+	APL2_APLC = 0x46,
+	APL3_WORLD = 0x47,
+	MKK1_FCCA = 0x48,
+	APL2_APLD = 0x49,
+	MKK1_MKKA1 = 0x4A,
+	MKK1_MKKA2 = 0x4B,
+	MKK1_MKKC = 0x4C,
+
+	APL3_FCCA = 0x50,
+	APL1_WORLD = 0x52,
+	APL1_FCCA = 0x53,
+	APL1_APLA = 0x54,
+	APL1_ETSIC = 0x55,
+	APL2_ETSIC = 0x56,
+	APL5_WORLD = 0x58,
+	APL6_WORLD = 0x5B,
+	APL7_FCCA = 0x5C,
+	APL8_WORLD = 0x5D,
+	APL9_WORLD = 0x5E,
+
+	WOR0_WORLD = 0x60,
+	WOR1_WORLD = 0x61,
+	WOR2_WORLD = 0x62,
+	WOR3_WORLD = 0x63,
+	WOR4_WORLD = 0x64,
+	WOR5_ETSIC = 0x65,
+
+	WOR01_WORLD = 0x66,
+	WOR02_WORLD = 0x67,
+	EU1_WORLD = 0x68,
+
+	WOR9_WORLD = 0x69,
+	WORA_WORLD = 0x6A,
+	WORB_WORLD = 0x6B,
+	WORC_WORLD = 0x6C,
+
+	MKK3_MKKB = 0x80,
+	MKK3_MKKA2 = 0x81,
+	MKK3_MKKC = 0x82,
+
+	MKK4_MKKB = 0x83,
+	MKK4_MKKA2 = 0x84,
+	MKK4_MKKC = 0x85,
+
+	MKK5_MKKB = 0x86,
+	MKK5_MKKA2 = 0x87,
+	MKK5_MKKC = 0x88,
+
+	MKK6_MKKB = 0x89,
+	MKK6_MKKA2 = 0x8A,
+	MKK6_MKKC = 0x8B,
+
+	MKK7_MKKB = 0x8C,
+	MKK7_MKKA2 = 0x8D,
+	MKK7_MKKC = 0x8E,
+
+	MKK8_MKKB = 0x8F,
+	MKK8_MKKA2 = 0x90,
+	MKK8_MKKC = 0x91,
+
+	MKK14_MKKA1 = 0x92,
+	MKK15_MKKA1 = 0x93,
+
+	MKK10_FCCA = 0xD0,
+	MKK10_MKKA1 = 0xD1,
+	MKK10_MKKC = 0xD2,
+	MKK10_MKKA2 = 0xD3,
+
+	MKK11_MKKA = 0xD4,
+	MKK11_FCCA = 0xD5,
+	MKK11_MKKA1 = 0xD6,
+	MKK11_MKKC = 0xD7,
+	MKK11_MKKA2 = 0xD8,
+
+	MKK12_MKKA = 0xD9,
+	MKK12_FCCA = 0xDA,
+	MKK12_MKKA1 = 0xDB,
+	MKK12_MKKC = 0xDC,
+	MKK12_MKKA2 = 0xDD,
+
+	MKK13_MKKB = 0xDE,
+
+	MKK3_MKKA = 0xF0,
+	MKK3_MKKA1 = 0xF1,
+	MKK3_FCCA = 0xF2,
+	MKK4_MKKA = 0xF3,
+	MKK4_MKKA1 = 0xF4,
+	MKK4_FCCA = 0xF5,
+	MKK9_MKKA = 0xF6,
+	MKK10_MKKA = 0xF7,
+	MKK6_MKKA1 = 0xF8,
+	MKK6_FCCA = 0xF9,
+	MKK7_MKKA1 = 0xFA,
+	MKK7_FCCA = 0xFB,
+	MKK9_FCCA = 0xFC,
+	MKK9_MKKA1 = 0xFD,
+	MKK9_MKKC = 0xFE,
+	MKK9_MKKA2 = 0xFF,
+
+	WORLD = 0x0199,
+	DEBUG_REG_DMN = 0x01ff,
+};
+
+///* Regpair to CTL band mapping */
+//static struct reg_dmn_pair_mapping regDomainPairs[] = {
+//	/* regpair, 5 GHz CTL, 2 GHz CTL */
+//	{NO_ENUMRD, DEBUG_REG_DMN, DEBUG_REG_DMN},
+//	{NULL1_WORLD, NO_CTL, CTL_ETSI},
+//	{NULL1_ETSIB, NO_CTL, CTL_ETSI},
+//	{NULL1_ETSIC, NO_CTL, CTL_ETSI},
+//
+//	{FCC2_FCCA, CTL_FCC, CTL_FCC},
+//	{FCC2_WORLD, CTL_FCC, CTL_ETSI},
+//	{FCC2_ETSIC, CTL_FCC, CTL_ETSI},
+//	{FCC3_FCCA, CTL_FCC, CTL_FCC},
+//	{FCC3_WORLD, CTL_FCC, CTL_ETSI},
+//	{FCC4_FCCA, CTL_FCC, CTL_FCC},
+//	{FCC5_FCCA, CTL_FCC, CTL_FCC},
+//	{FCC6_FCCA, CTL_FCC, CTL_FCC},
+//	{FCC6_WORLD, CTL_FCC, CTL_ETSI},
+//
+//	{ETSI1_WORLD, CTL_ETSI, CTL_ETSI},
+//	{ETSI2_WORLD, CTL_ETSI, CTL_ETSI},
+//	{ETSI3_WORLD, CTL_ETSI, CTL_ETSI},
+//	{ETSI4_WORLD, CTL_ETSI, CTL_ETSI},
+//	{ETSI5_WORLD, CTL_ETSI, CTL_ETSI},
+//	{ETSI6_WORLD, CTL_ETSI, CTL_ETSI},
+//
+//	/* XXX: For ETSI3_ETSIA, Was NO_CTL meant for the 2 GHz band ? */
+//	{ETSI3_ETSIA, CTL_ETSI, CTL_ETSI},
+//	{FRANCE_RES, CTL_ETSI, CTL_ETSI},
+//
+//	{FCC1_WORLD, CTL_FCC, CTL_ETSI},
+//	{FCC1_FCCA, CTL_FCC, CTL_FCC},
+//	{APL1_WORLD, CTL_FCC, CTL_ETSI},
+//	{APL2_WORLD, CTL_FCC, CTL_ETSI},
+//	{APL3_WORLD, CTL_FCC, CTL_ETSI},
+//	{APL4_WORLD, CTL_FCC, CTL_ETSI},
+//	{APL5_WORLD, CTL_FCC, CTL_ETSI},
+//	{APL6_WORLD, CTL_ETSI, CTL_ETSI},
+//	{APL8_WORLD, CTL_ETSI, CTL_ETSI},
+//	{APL9_WORLD, CTL_ETSI, CTL_ETSI},
+//
+//	{APL3_FCCA, CTL_FCC, CTL_FCC},
+//	{APL7_FCCA, CTL_FCC, CTL_FCC},
+//	{APL1_ETSIC, CTL_FCC, CTL_ETSI},
+//	{APL2_ETSIC, CTL_FCC, CTL_ETSI},
+//	{APL2_APLD, CTL_FCC, NO_CTL},
+//
+//	{MKK1_MKKA, CTL_MKK, CTL_MKK},
+//	{MKK1_MKKB, CTL_MKK, CTL_MKK},
+//	{MKK1_FCCA, CTL_MKK, CTL_FCC},
+//	{MKK1_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK1_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK1_MKKC, CTL_MKK, CTL_MKK},
+//
+//	{MKK2_MKKA, CTL_MKK, CTL_MKK},
+//	{MKK3_MKKA, CTL_MKK, CTL_MKK},
+//	{MKK3_MKKB, CTL_MKK, CTL_MKK},
+//	{MKK3_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK3_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK3_MKKC, CTL_MKK, CTL_MKK},
+//	{MKK3_FCCA, CTL_MKK, CTL_FCC},
+//
+//	{MKK4_MKKA, CTL_MKK, CTL_MKK},
+//	{MKK4_MKKB, CTL_MKK, CTL_MKK},
+//	{MKK4_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK4_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK4_MKKC, CTL_MKK, CTL_MKK},
+//	{MKK4_FCCA, CTL_MKK, CTL_FCC},
+//
+//	{MKK5_MKKB, CTL_MKK, CTL_MKK},
+//	{MKK5_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK5_MKKC, CTL_MKK, CTL_MKK},
+//
+//	{MKK6_MKKB, CTL_MKK, CTL_MKK},
+//	{MKK6_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK6_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK6_MKKC, CTL_MKK, CTL_MKK},
+//	{MKK6_FCCA, CTL_MKK, CTL_FCC},
+//
+//	{MKK7_MKKB, CTL_MKK, CTL_MKK},
+//	{MKK7_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK7_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK7_MKKC, CTL_MKK, CTL_MKK},
+//	{MKK7_FCCA, CTL_MKK, CTL_FCC},
+//
+//	{MKK8_MKKB, CTL_MKK, CTL_MKK},
+//	{MKK8_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK8_MKKC, CTL_MKK, CTL_MKK},
+//
+//	{MKK9_MKKA, CTL_MKK, CTL_MKK},
+//	{MKK9_FCCA, CTL_MKK, CTL_FCC},
+//	{MKK9_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK9_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK9_MKKC, CTL_MKK, CTL_MKK},
+//
+//	{MKK10_MKKA, CTL_MKK, CTL_MKK},
+//	{MKK10_FCCA, CTL_MKK, CTL_FCC},
+//	{MKK10_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK10_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK10_MKKC, CTL_MKK, CTL_MKK},
+//
+//	{MKK11_MKKA, CTL_MKK, CTL_MKK},
+//	{MKK11_FCCA, CTL_MKK, CTL_FCC},
+//	{MKK11_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK11_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK11_MKKC, CTL_MKK, CTL_MKK},
+//
+//	{MKK12_MKKA, CTL_MKK, CTL_MKK},
+//	{MKK12_FCCA, CTL_MKK, CTL_FCC},
+//	{MKK12_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK12_MKKA2, CTL_MKK, CTL_MKK},
+//	{MKK12_MKKC, CTL_MKK, CTL_MKK},
+//
+//	{MKK13_MKKB, CTL_MKK, CTL_MKK},
+//	{MKK14_MKKA1, CTL_MKK, CTL_MKK},
+//	{MKK15_MKKA1, CTL_MKK, CTL_MKK},
+//
+//	{WOR0_WORLD, NO_CTL, NO_CTL},
+//	{WOR1_WORLD, NO_CTL, NO_CTL},
+//	{WOR2_WORLD, NO_CTL, NO_CTL},
+//	{WOR3_WORLD, NO_CTL, NO_CTL},
+//	{WOR4_WORLD, NO_CTL, NO_CTL},
+//	{WOR5_ETSIC, NO_CTL, NO_CTL},
+//	{WOR01_WORLD, NO_CTL, NO_CTL},
+//	{WOR02_WORLD, NO_CTL, NO_CTL},
+//	{EU1_WORLD, NO_CTL, NO_CTL},
+//	{WOR9_WORLD, NO_CTL, NO_CTL},
+//	{WORA_WORLD, NO_CTL, NO_CTL},
+//	{WORB_WORLD, NO_CTL, NO_CTL},
+//	{WORC_WORLD, NO_CTL, NO_CTL},
+//};
+//
+//static struct country_code_to_enum_rd allCountries[] = {
+//	{CTRY_DEBUG, NO_ENUMRD, "DB"},
+//	{CTRY_DEFAULT, FCC1_FCCA, "CO"},
+//	{CTRY_ALBANIA, NULL1_WORLD, "AL"},
+//	{CTRY_ALGERIA, NULL1_WORLD, "DZ"},
+//	{CTRY_ARGENTINA, FCC3_WORLD, "AR"},
+//	{CTRY_ARMENIA, ETSI4_WORLD, "AM"},
+//	{CTRY_ARUBA, ETSI1_WORLD, "AW"},
+//	{CTRY_AUSTRALIA, FCC2_WORLD, "AU"},
+//	{CTRY_AUSTRALIA2, FCC6_WORLD, "AU"},
+//	{CTRY_AUSTRIA, ETSI1_WORLD, "AT"},
+//	{CTRY_AZERBAIJAN, ETSI4_WORLD, "AZ"},
+//	{CTRY_BAHRAIN, APL6_WORLD, "BH"},
+//	{CTRY_BANGLADESH, NULL1_WORLD, "BD"},
+//	{CTRY_BARBADOS, FCC2_WORLD, "BB"},
+//	{CTRY_BELARUS, ETSI1_WORLD, "BY"},
+//	{CTRY_BELGIUM, ETSI1_WORLD, "BE"},
+//	{CTRY_BELGIUM2, ETSI4_WORLD, "BL"},
+//	{CTRY_BELIZE, APL1_ETSIC, "BZ"},
+//	{CTRY_BOLIVIA, APL1_ETSIC, "BO"},
+//	{CTRY_BOSNIA_HERZ, ETSI1_WORLD, "BA"},
+//	{CTRY_BRAZIL, FCC3_WORLD, "BR"},
+//	{CTRY_BRUNEI_DARUSSALAM, APL1_WORLD, "BN"},
+//	{CTRY_BULGARIA, ETSI6_WORLD, "BG"},
+//	{CTRY_CAMBODIA, ETSI1_WORLD, "KH"},
+//	{CTRY_CANADA, FCC3_FCCA, "CA"},
+//	{CTRY_CANADA2, FCC6_FCCA, "CA"},
+//	{CTRY_CHILE, APL6_WORLD, "CL"},
+//	{CTRY_CHINA, APL1_WORLD, "CN"},
+//	{CTRY_COLOMBIA, FCC1_FCCA, "CO"},
+//	{CTRY_COSTA_RICA, FCC1_WORLD, "CR"},
+//	{CTRY_CROATIA, ETSI1_WORLD, "HR"},
+//	{CTRY_CYPRUS, ETSI1_WORLD, "CY"},
+//	{CTRY_CZECH, ETSI3_WORLD, "CZ"},
+//	{CTRY_DENMARK, ETSI1_WORLD, "DK"},
+//	{CTRY_DOMINICAN_REPUBLIC, FCC1_FCCA, "DO"},
+//	{CTRY_ECUADOR, FCC1_WORLD, "EC"},
+//	{CTRY_EGYPT, ETSI3_WORLD, "EG"},
+//	{CTRY_EL_SALVADOR, FCC1_WORLD, "SV"},
+//	{CTRY_ESTONIA, ETSI1_WORLD, "EE"},
+//	{CTRY_FINLAND, ETSI1_WORLD, "FI"},
+//	{CTRY_FRANCE, ETSI1_WORLD, "FR"},
+//	{CTRY_GEORGIA, ETSI4_WORLD, "GE"},
+//	{CTRY_GERMANY, ETSI1_WORLD, "DE"},
+//	{CTRY_GREECE, ETSI1_WORLD, "GR"},
+//	{CTRY_GREENLAND, ETSI1_WORLD, "GL"},
+//	{CTRY_GRENEDA, FCC3_FCCA, "GD"},
+//	{CTRY_GUAM, FCC1_FCCA, "GU"},
+//	{CTRY_GUATEMALA, FCC1_FCCA, "GT"},
+//	{CTRY_HAITI, ETSI1_WORLD, "HT"},
+//	{CTRY_HONDURAS, NULL1_WORLD, "HN"},
+//	{CTRY_HONG_KONG, FCC3_WORLD, "HK"},
+//	{CTRY_HUNGARY, ETSI1_WORLD, "HU"},
+//	{CTRY_ICELAND, ETSI1_WORLD, "IS"},
+//	{CTRY_INDIA, APL6_WORLD, "IN"},
+//	{CTRY_INDONESIA, NULL1_WORLD, "ID"},
+//	{CTRY_IRAN, APL1_WORLD, "IR"},
+//	{CTRY_IRELAND, ETSI1_WORLD, "IE"},
+//	{CTRY_ISRAEL, NULL1_WORLD, "IL"},
+//	{CTRY_ITALY, ETSI1_WORLD, "IT"},
+//	{CTRY_JAMAICA, FCC3_WORLD, "JM"},
+//
+//	{CTRY_JAPAN, MKK1_MKKA, "JP"},
+//	{CTRY_JAPAN1, MKK1_MKKB, "JP"},
+//	{CTRY_JAPAN2, MKK1_FCCA, "JP"},
+//	{CTRY_JAPAN3, MKK2_MKKA, "JP"},
+//	{CTRY_JAPAN4, MKK1_MKKA1, "JP"},
+//	{CTRY_JAPAN5, MKK1_MKKA2, "JP"},
+//	{CTRY_JAPAN6, MKK1_MKKC, "JP"},
+//	{CTRY_JAPAN7, MKK3_MKKB, "JP"},
+//	{CTRY_JAPAN8, MKK3_MKKA2, "JP"},
+//	{CTRY_JAPAN9, MKK3_MKKC, "JP"},
+//	{CTRY_JAPAN10, MKK4_MKKB, "JP"},
+//	{CTRY_JAPAN11, MKK4_MKKA2, "JP"},
+//	{CTRY_JAPAN12, MKK4_MKKC, "JP"},
+//	{CTRY_JAPAN13, MKK5_MKKB, "JP"},
+//	{CTRY_JAPAN14, MKK5_MKKA2, "JP"},
+//	{CTRY_JAPAN15, MKK5_MKKC, "JP"},
+//	{CTRY_JAPAN16, MKK6_MKKB, "JP"},
+//	{CTRY_JAPAN17, MKK6_MKKA2, "JP"},
+//	{CTRY_JAPAN18, MKK6_MKKC, "JP"},
+//	{CTRY_JAPAN19, MKK7_MKKB, "JP"},
+//	{CTRY_JAPAN20, MKK7_MKKA2, "JP"},
+//	{CTRY_JAPAN21, MKK7_MKKC, "JP"},
+//	{CTRY_JAPAN22, MKK8_MKKB, "JP"},
+//	{CTRY_JAPAN23, MKK8_MKKA2, "JP"},
+//	{CTRY_JAPAN24, MKK8_MKKC, "JP"},
+//	{CTRY_JAPAN25, MKK3_MKKA, "JP"},
+//	{CTRY_JAPAN26, MKK3_MKKA1, "JP"},
+//	{CTRY_JAPAN27, MKK3_FCCA, "JP"},
+//	{CTRY_JAPAN28, MKK4_MKKA1, "JP"},
+//	{CTRY_JAPAN29, MKK4_FCCA, "JP"},
+//	{CTRY_JAPAN30, MKK6_MKKA1, "JP"},
+//	{CTRY_JAPAN31, MKK6_FCCA, "JP"},
+//	{CTRY_JAPAN32, MKK7_MKKA1, "JP"},
+//	{CTRY_JAPAN33, MKK7_FCCA, "JP"},
+//	{CTRY_JAPAN34, MKK9_MKKA, "JP"},
+//	{CTRY_JAPAN35, MKK10_MKKA, "JP"},
+//	{CTRY_JAPAN36, MKK4_MKKA, "JP"},
+//	{CTRY_JAPAN37, MKK9_FCCA, "JP"},
+//	{CTRY_JAPAN38, MKK9_MKKA1, "JP"},
+//	{CTRY_JAPAN39, MKK9_MKKC, "JP"},
+//	{CTRY_JAPAN40, MKK9_MKKA2, "JP"},
+//	{CTRY_JAPAN41, MKK10_FCCA, "JP"},
+//	{CTRY_JAPAN42, MKK10_MKKA1, "JP"},
+//	{CTRY_JAPAN43, MKK10_MKKC, "JP"},
+//	{CTRY_JAPAN44, MKK10_MKKA2, "JP"},
+//	{CTRY_JAPAN45, MKK11_MKKA, "JP"},
+//	{CTRY_JAPAN46, MKK11_FCCA, "JP"},
+//	{CTRY_JAPAN47, MKK11_MKKA1, "JP"},
+//	{CTRY_JAPAN48, MKK11_MKKC, "JP"},
+//	{CTRY_JAPAN49, MKK11_MKKA2, "JP"},
+//	{CTRY_JAPAN50, MKK12_MKKA, "JP"},
+//	{CTRY_JAPAN51, MKK12_FCCA, "JP"},
+//	{CTRY_JAPAN52, MKK12_MKKA1, "JP"},
+//	{CTRY_JAPAN53, MKK12_MKKC, "JP"},
+//	{CTRY_JAPAN54, MKK12_MKKA2, "JP"},
+//	{CTRY_JAPAN57, MKK13_MKKB, "JP"},
+//	{CTRY_JAPAN58, MKK14_MKKA1, "JP"},
+//	{CTRY_JAPAN59, MKK15_MKKA1, "JP"},
+//
+//	{CTRY_JORDAN, ETSI2_WORLD, "JO"},
+//	{CTRY_KAZAKHSTAN, NULL1_WORLD, "KZ"},
+//	{CTRY_KOREA_NORTH, APL9_WORLD, "KP"},
+//	{CTRY_KOREA_ROC, APL9_WORLD, "KR"},
+//	{CTRY_KOREA_ROC2, APL2_WORLD, "K2"},
+//	{CTRY_KOREA_ROC3, APL9_WORLD, "K3"},
+//	{CTRY_KUWAIT, ETSI3_WORLD, "KW"},
+//	{CTRY_LATVIA, ETSI1_WORLD, "LV"},
+//	{CTRY_LEBANON, NULL1_WORLD, "LB"},
+//	{CTRY_LIECHTENSTEIN, ETSI1_WORLD, "LI"},
+//	{CTRY_LITHUANIA, ETSI1_WORLD, "LT"},
+//	{CTRY_LUXEMBOURG, ETSI1_WORLD, "LU"},
+//	{CTRY_MACAU, FCC2_WORLD, "MO"},
+//	{CTRY_MACEDONIA, NULL1_WORLD, "MK"},
+//	{CTRY_MALAYSIA, APL8_WORLD, "MY"},
+//	{CTRY_MALTA, ETSI1_WORLD, "MT"},
+//	{CTRY_MEXICO, FCC1_FCCA, "MX"},
+//	{CTRY_MONACO, ETSI4_WORLD, "MC"},
+//	{CTRY_MOROCCO, APL4_WORLD, "MA"},
+//	{CTRY_NEPAL, APL1_WORLD, "NP"},
+//	{CTRY_NETHERLANDS, ETSI1_WORLD, "NL"},
+//	{CTRY_NETHERLANDS_ANTILLES, ETSI1_WORLD, "AN"},
+//	{CTRY_NEW_ZEALAND, FCC2_ETSIC, "NZ"},
+//	{CTRY_NORWAY, ETSI1_WORLD, "NO"},
+//	{CTRY_OMAN, FCC3_WORLD, "OM"},
+//	{CTRY_PAKISTAN, NULL1_WORLD, "PK"},
+//	{CTRY_PANAMA, FCC1_FCCA, "PA"},
+//	{CTRY_PAPUA_NEW_GUINEA, FCC1_WORLD, "PG"},
+//	{CTRY_PERU, APL1_WORLD, "PE"},
+//	{CTRY_PHILIPPINES, APL1_WORLD, "PH"},
+//	{CTRY_POLAND, ETSI1_WORLD, "PL"},
+//	{CTRY_PORTUGAL, ETSI1_WORLD, "PT"},
+//	{CTRY_PUERTO_RICO, FCC1_FCCA, "PR"},
+//	{CTRY_QATAR, APL1_WORLD, "QA"},
+//	{CTRY_ROMANIA, NULL1_WORLD, "RO"},
+//	{CTRY_RUSSIA, NULL1_WORLD, "RU"},
+//	{CTRY_SAUDI_ARABIA, NULL1_WORLD, "SA"},
+//	{CTRY_SERBIA_MONTENEGRO, ETSI1_WORLD, "CS"},
+//	{CTRY_SINGAPORE, APL6_WORLD, "SG"},
+//	{CTRY_SLOVAKIA, ETSI1_WORLD, "SK"},
+//	{CTRY_SLOVENIA, ETSI1_WORLD, "SI"},
+//	{CTRY_SOUTH_AFRICA, FCC3_WORLD, "ZA"},
+//	{CTRY_SPAIN, ETSI1_WORLD, "ES"},
+//	{CTRY_SRI_LANKA, FCC3_WORLD, "LK"},
+//	{CTRY_SWEDEN, ETSI1_WORLD, "SE"},
+//	{CTRY_SWITZERLAND, ETSI1_WORLD, "CH"},
+//	{CTRY_SYRIA, NULL1_WORLD, "SY"},
+//	{CTRY_TAIWAN, APL3_FCCA, "TW"},
+//	{CTRY_THAILAND, FCC3_WORLD, "TH"},
+//	{CTRY_TRINIDAD_Y_TOBAGO, FCC3_WORLD, "TT"},
+//	{CTRY_TUNISIA, ETSI3_WORLD, "TN"},
+//	{CTRY_TURKEY, ETSI3_WORLD, "TR"},
+//	{CTRY_UKRAINE, NULL1_WORLD, "UA"},
+//	{CTRY_UAE, NULL1_WORLD, "AE"},
+//	{CTRY_UNITED_KINGDOM, ETSI1_WORLD, "GB"},
+//	{CTRY_UNITED_STATES, FCC3_FCCA, "US"},
+//	/* This "PS" is for US public safety actually... to support this we
+//	 * would need to assign new special alpha2 to CRDA db as with the world
+//	 * regdomain and use another alpha2 */
+//	{CTRY_UNITED_STATES_FCC49, FCC4_FCCA, "PS"},
+//	{CTRY_URUGUAY, FCC3_WORLD, "UY"},
+//	{CTRY_UZBEKISTAN, FCC3_FCCA, "UZ"},
+//	{CTRY_VENEZUELA, APL2_ETSIC, "VE"},
+//	{CTRY_VIET_NAM, NULL1_WORLD, "VN"},
+//	{CTRY_YEMEN, NULL1_WORLD, "YE"},
+//	{CTRY_ZIMBABWE, NULL1_WORLD, "ZW"},
+//};
+
+#endif

src/include/ipxe/errfile.h

@@ -137,6 +137,8 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #define ERRFILE_virtio_net	     ( ERRFILE_DRIVER | 0x005c0000 )
 #define ERRFILE_tap		     ( ERRFILE_DRIVER | 0x005d0000 )
 #define ERRFILE_igbvf_main	     ( ERRFILE_DRIVER | 0x005e0000 )
+#define ERRFILE_ath9k		     ( ERRFILE_DRIVER | 0x005f0000 )
+#define ERRFILE_ath		     ( ERRFILE_DRIVER | 0x00600000 )
 
 #define ERRFILE_scsi		     ( ERRFILE_DRIVER | 0x00700000 )
 #define ERRFILE_arbel		     ( ERRFILE_DRIVER | 0x00710000 )

src/include/ipxe/net80211.h

@@ -272,7 +272,7 @@ enum net80211_crypto_alg {
 #define NET80211_MAX_RATES	16
 
 /** The maximum number of channels we allow to be configured simultaneously */
-#define NET80211_MAX_CHANNELS	32
+#define NET80211_MAX_CHANNELS	40
 
 /** Seconds we'll wait to get all fragments of a packet */
 #define NET80211_FRAG_TIMEOUT	2