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- /*
- * 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);
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