Updated to common ISA bus API.

src/drivers/net/smc9000.c

@@ -27,7 +27,6 @@
  *
  *---------------------------------------------------------------------------*/
 #define LINUX_OUT_MACROS 1
-#define SMC9000_VERBOSE  1
 #define SMC9000_DEBUG    0
 
 #include "etherboot.h"
@@ -39,7 +38,6 @@
 # define _outw outw
 
 static const char       smc9000_version[] = "Version 0.99 98-09-30";
-static unsigned int	smc9000_base=0;
 static const char       *interfaces[ 2 ] = { "TP", "AUI" };
 static const char       *chip_ids[ 15 ] =  {
    NULL, NULL, NULL,
@@ -97,11 +95,11 @@ static void smc_reset(int ioaddr)
 
 
 /*----------------------------------------------------------------------
- * Function: smc_probe( int ioaddr )
+ * Function: smc9000_probe_addr( int ioaddr )
  *
  * Purpose:
  *	Tests to see if a given ioaddr points to an SMC9xxx chip.
- *	Returns a 0 on success
+ *	Returns a 1 on success
  *
  * Algorithm:
  *	(1) see if the high byte of BANK_SELECT is 0x33
@@ -110,7 +108,7 @@ static void smc_reset(int ioaddr)
  *
  * ---------------------------------------------------------------------
  */
-static int smc_probe( int ioaddr )
+static int smc9000_probe_addr( unsigned short ioaddr )
 {
    word bank;
    word	revision_register;
@@ -119,14 +117,14 @@ static int smc_probe( int ioaddr )
    /* First, see if the high byte is 0x33 */
    bank = inw(ioaddr + BANK_SELECT);
    if ((bank & 0xFF00) != 0x3300) {
-      return -1;
+      return 0;
    }
    /* The above MIGHT indicate a device, but I need to write to further
     *	test this.  */
    _outw(0x0, ioaddr + BANK_SELECT);
    bank = inw(ioaddr + BANK_SELECT);
    if ((bank & 0xFF00) != 0x3300) {
-      return -1;
+      return 0;
    }
 
    /* well, we've already written once, so hopefully another time won't
@@ -136,14 +134,12 @@ static int smc_probe( int ioaddr )
    base_address_register = inw(ioaddr + BASE);
 
    if (ioaddr != (base_address_register >> 3 & 0x3E0))  {
-#ifdef	SMC9000_VERBOSE
-      printf("SMC9000: IOADDR %hX doesn't match configuration (%hX)."
-	     "Probably not a SMC chip\n",
-	     ioaddr, base_address_register >> 3 & 0x3E0);
-#endif
+      DBG("SMC9000: IOADDR %hX doesn't match configuration (%hX)."
+	  "Probably not a SMC chip\n",
+	  ioaddr, base_address_register >> 3 & 0x3E0);
       /* well, the base address register didn't match.  Must not have
        * been a SMC chip after all. */
-      return -1;
+      return 0;
    }
 
 
@@ -154,17 +150,15 @@ static int smc_probe( int ioaddr )
    revision_register  = inw(ioaddr + REVISION);
    if (!chip_ids[(revision_register >> 4) & 0xF]) {
       /* I don't recognize this chip, so... */
-#ifdef	SMC9000_VERBOSE
-      printf("SMC9000: IO %hX: Unrecognized revision register:"
-	     " %hX, Contact author.\n", ioaddr, revision_register);
-#endif
-      return -1;
+      DBG( "SMC9000: IO %hX: Unrecognized revision register:"
+	   " %hX, Contact author.\n", ioaddr, revision_register );
+      return 0;
    }
 
    /* at this point I'll assume that the chip is an SMC9xxx.
     * It might be prudent to check a listing of MAC addresses
     * against the hardware address, or do some other tests. */
-   return 0;
+   return 1;
 }
 
 
@@ -192,25 +186,23 @@ static void smc9000_transmit(
    numPages = length / 256;
 
    if (numPages > 7 ) {
-#ifdef	SMC9000_VERBOSE
-      printf("SMC9000: Far too big packet error. \n");
-#endif
+      DBG("SMC9000: Far too big packet error. \n");
       return;
    }
 
    /* dont try more than, say 30 times */
    for (i=0;i<30;i++) {
       /* now, try to allocate the memory */
-      SMC_SELECT_BANK(smc9000_base, 2);
-      _outw(MC_ALLOC | numPages, smc9000_base + MMU_CMD);
+      SMC_SELECT_BANK(nic->ioaddr, 2);
+      _outw(MC_ALLOC | numPages, nic->ioaddr + MMU_CMD);
 
       status = 0;
       /* wait for the memory allocation to finnish */
       for (time_out = currticks() + 5*TICKS_PER_SEC; currticks() < time_out; ) {
-	 status = inb(smc9000_base + INTERRUPT);
+	 status = inb(nic->ioaddr + INTERRUPT);
 	 if ( status & IM_ALLOC_INT ) {
 	    /* acknowledge the interrupt */
-	    _outb(IM_ALLOC_INT, smc9000_base + INTERRUPT);
+	    _outb(IM_ALLOC_INT, nic->ioaddr + INTERRUPT);
 	    break;
 	 }
       }
@@ -220,12 +212,12 @@ static void smc9000_transmit(
 	 break;
       } else {
 	 printf("SMC9000: Memory allocation timed out, resetting MMU.\n");
-	 _outw(MC_RESET, smc9000_base + MMU_CMD);
+	 _outw(MC_RESET, nic->ioaddr + MMU_CMD);
       }
    }
 
    /* If I get here, I _know_ there is a packet slot waiting for me */
-   packet_no = inb(smc9000_base + PNR_ARR + 1);
+   packet_no = inb(nic->ioaddr + PNR_ARR + 1);
    if (packet_no & 0x80) {
       /* or isn't there?  BAD CHIP! */
       printf("SMC9000: Memory allocation failed. \n");
@@ -233,10 +225,10 @@ static void smc9000_transmit(
    }
 
    /* we have a packet address, so tell the card to use it */
-   _outb(packet_no, smc9000_base + PNR_ARR);
+   _outb(packet_no, nic->ioaddr + PNR_ARR);
 
    /* point to the beginning of the packet */
-   _outw(PTR_AUTOINC, smc9000_base + POINTER);
+   _outw(PTR_AUTOINC, nic->ioaddr + POINTER);
 
 #if	SMC9000_DEBUG > 2
    printf("Trying to xmit packet of length %hX\n", length );
@@ -244,73 +236,71 @@ static void smc9000_transmit(
 
    /* send the packet length ( +6 for status, length and ctl byte )
     * and the status word ( set to zeros ) */
-   _outw(0, smc9000_base + DATA_1 );
+   _outw(0, nic->ioaddr + DATA_1 );
 
    /* send the packet length ( +6 for status words, length, and ctl) */
-   _outb((length+6) & 0xFF,  smc9000_base + DATA_1);
-   _outb((length+6) >> 8 ,   smc9000_base + DATA_1);
+   _outb((length+6) & 0xFF,  nic->ioaddr + DATA_1);
+   _outb((length+6) >> 8 ,   nic->ioaddr + DATA_1);
 
    /* Write the contents of the packet */
 
    /* The ethernet header first... */
-   outsw(smc9000_base + DATA_1, d, ETH_ALEN >> 1);
-   outsw(smc9000_base + DATA_1, nic->node_addr, ETH_ALEN >> 1);
-   _outw(htons(t), smc9000_base + DATA_1);
+   outsw(nic->ioaddr + DATA_1, d, ETH_ALEN >> 1);
+   outsw(nic->ioaddr + DATA_1, nic->node_addr, ETH_ALEN >> 1);
+   _outw(htons(t), nic->ioaddr + DATA_1);
 
    /* ... the data ... */
-   outsw(smc9000_base + DATA_1 , p, s >> 1);
+   outsw(nic->ioaddr + DATA_1 , p, s >> 1);
 
    /* ... and the last byte, if there is one.   */
    if ((s & 1) == 0) {
-      _outw(0, smc9000_base + DATA_1);
+      _outw(0, nic->ioaddr + DATA_1);
    } else {
-      _outb(p[s-1], smc9000_base + DATA_1);
-      _outb(0x20, smc9000_base + DATA_1);
+      _outb(p[s-1], nic->ioaddr + DATA_1);
+      _outb(0x20, nic->ioaddr + DATA_1);
    }
 
    /* and let the chipset deal with it */
-   _outw(MC_ENQUEUE , smc9000_base + MMU_CMD);
+   _outw(MC_ENQUEUE , nic->ioaddr + MMU_CMD);
 
    status = 0; time_out = currticks() + 5*TICKS_PER_SEC;
    do {
-      status = inb(smc9000_base + INTERRUPT);
+      status = inb(nic->ioaddr + INTERRUPT);
 
       if ((status & IM_TX_INT ) != 0) {
 	 word tx_status;
 
 	 /* ack interrupt */
-	 _outb(IM_TX_INT, smc9000_base + INTERRUPT);
+	 _outb(IM_TX_INT, nic->ioaddr + INTERRUPT);
 
-	 packet_no = inw(smc9000_base + FIFO_PORTS);
+	 packet_no = inw(nic->ioaddr + FIFO_PORTS);
 	 packet_no &= 0x7F;
 
 	 /* select this as the packet to read from */
-	 _outb( packet_no, smc9000_base + PNR_ARR );
+	 _outb( packet_no, nic->ioaddr + PNR_ARR );
 
 	 /* read the first word from this packet */
-	 _outw( PTR_AUTOINC | PTR_READ, smc9000_base + POINTER );
+	 _outw( PTR_AUTOINC | PTR_READ, nic->ioaddr + POINTER );
 
-	 tx_status = inw( smc9000_base + DATA_1 );
+	 tx_status = inw( nic->ioaddr + DATA_1 );
 
 	 if (0 == (tx_status & TS_SUCCESS)) {
-#ifdef	SMC9000_VERBOSE
-	    printf("SMC9000: TX FAIL STATUS: %hX \n", tx_status);
-#endif
+	    DBG("SMC9000: TX FAIL STATUS: %hX \n", tx_status);
 	    /* re-enable transmit */
-	    SMC_SELECT_BANK(smc9000_base, 0);
-	    _outw(inw(smc9000_base + TCR ) | TCR_ENABLE, smc9000_base + TCR );
+	    SMC_SELECT_BANK(nic->ioaddr, 0);
+	    _outw(inw(nic->ioaddr + TCR ) | TCR_ENABLE, nic->ioaddr + TCR );
 	 }
 
 	 /* kill the packet */
-	 SMC_SELECT_BANK(smc9000_base, 2);
-	 _outw(MC_FREEPKT, smc9000_base + MMU_CMD);
+	 SMC_SELECT_BANK(nic->ioaddr, 2);
+	 _outw(MC_FREEPKT, nic->ioaddr + MMU_CMD);
 
 	 return;
       }
    }while(currticks() < time_out);
 
-   printf("SMC9000: Waring TX timed out, resetting board\n");
-   smc_reset(smc9000_base);
+   printf("SMC9000: TX timed out, resetting board\n");
+   smc_reset(nic->ioaddr);
    return;
 }
 
@@ -319,22 +309,19 @@ static void smc9000_transmit(
  ***************************************************************************/
 static int smc9000_poll(struct nic *nic, int retrieve)
 {
-   if(!smc9000_base)
-     return 0;
-
-   SMC_SELECT_BANK(smc9000_base, 2);
-   if (inw(smc9000_base + FIFO_PORTS) & FP_RXEMPTY)
+   SMC_SELECT_BANK(nic->ioaddr, 2);
+   if (inw(nic->ioaddr + FIFO_PORTS) & FP_RXEMPTY)
      return 0;
    
    if ( ! retrieve ) return 1;
 
    /*  start reading from the start of the packet */
-   _outw(PTR_READ | PTR_RCV | PTR_AUTOINC, smc9000_base + POINTER);
+   _outw(PTR_READ | PTR_RCV | PTR_AUTOINC, nic->ioaddr + POINTER);
 
    /* First read the status and check that we're ok */
-   if (!(inw(smc9000_base + DATA_1) & RS_ERRORS)) {
+   if (!(inw(nic->ioaddr + DATA_1) & RS_ERRORS)) {
       /* Next: read the packet length and mask off the top bits */
-      nic->packetlen = (inw(smc9000_base + DATA_1) & 0x07ff);
+      nic->packetlen = (inw(nic->ioaddr + DATA_1) & 0x07ff);
 
       /* the packet length includes the 3 extra words */
       nic->packetlen -= 6;
@@ -343,36 +330,33 @@ static int smc9000_poll(struct nic *nic, int retrieve)
 	       (nic->packetlen >> 1), nic->packetlen & 1);
 #endif
       /* read the packet (and the last "extra" word) */
-      insw(smc9000_base + DATA_1, nic->packet, (nic->packetlen+2) >> 1);
+      insw(nic->ioaddr + DATA_1, nic->packet, (nic->packetlen+2) >> 1);
       /* is there an odd last byte ? */
       if (nic->packet[nic->packetlen+1] & 0x20)
 	 nic->packetlen++;
 
       /*  error or good, tell the card to get rid of this packet */
-      _outw(MC_RELEASE, smc9000_base + MMU_CMD);
+      _outw(MC_RELEASE, nic->ioaddr + MMU_CMD);
       return 1;
    }
 
    printf("SMC9000: RX error\n");
    /*  error or good, tell the card to get rid of this packet */
-   _outw(MC_RELEASE, smc9000_base + MMU_CMD);
+   _outw(MC_RELEASE, nic->ioaddr + MMU_CMD);
    return 0;
 }
 
-static void smc9000_disable ( struct nic *nic __unused ) {
-   if(!smc9000_base)
-     return;
-
-   smc_reset(smc9000_base);
+static void smc9000_disable ( struct nic *nic ) {
+   smc_reset(nic->ioaddr);
 
    /* no more interrupts for me */
-   SMC_SELECT_BANK(smc9000_base, 2);
-   _outb( 0, smc9000_base + INT_MASK);
+   SMC_SELECT_BANK(nic->ioaddr, 2);
+   _outb( 0, nic->ioaddr + INT_MASK);
 
    /* and tell the card to stay away from that nasty outside world */
-   SMC_SELECT_BANK(smc9000_base, 0);
-   _outb( RCR_CLEAR, smc9000_base + RCR );
-   _outb( TCR_CLEAR, smc9000_base + TCR );
+   SMC_SELECT_BANK(nic->ioaddr, 0);
+   _outb( RCR_CLEAR, nic->ioaddr + RCR );
+   _outb( TCR_CLEAR, nic->ioaddr + TCR );
 }
 
 static void smc9000_irq(struct nic *nic __unused, irq_action_t action __unused)
@@ -387,13 +371,20 @@ static void smc9000_irq(struct nic *nic __unused, irq_action_t action __unused)
   }
 }
 
+static struct nic_operations smc9000_operations = {
+	.connect	= dummy_connect,
+	.poll		= smc9000_poll,
+	.transmit	= smc9000_transmit,
+	.irq		= smc9000_irq,
+	.disable	= smc9000_disable,
+};
+
 /**************************************************************************
  * ETH_PROBE - Look for an adapter
  ***************************************************************************/
 
-static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
-{
-   struct nic *nic = (struct nic *)dev;
+static int smc9000_probe ( struct dev *dev, struct isa_device *isa ) {
+   struct nic *nic = nic_device ( dev );
    unsigned short   revision;
    int	            memory;
    int              media;
@@ -401,63 +392,33 @@ static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
    const char *	    if_string;
    int              i;
 
-   /*
-    * the SMC9000 can be at any of the following port addresses.  To change,
-    * for a slightly different card, you can add it to the array.  Keep in
-    * mind that the array must end in zero.
-    */
-   static unsigned short portlist[] = {
-#ifdef	SMC9000_SCAN
-      SMC9000_SCAN,
-#else
-      0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0,
-      0x300, 0x320, 0x340, 0x360, 0x380, 0x3A0, 0x3C0, 0x3E0,
-#endif
-      0 };
-
-   /* if no addresses supplied, fall back on defaults */
-   if (probe_addrs == 0 || probe_addrs[0] == 0)
-     probe_addrs = portlist;
-
-   /* check every ethernet address */
-   for (i = 0; probe_addrs[i]; i++) {
-      /* check this specific address */
-      if (smc_probe(probe_addrs[i]) == 0)
-	smc9000_base = probe_addrs[i];
-   }
-
-   /* couldn't find anything */
-   if(0 == smc9000_base)
-     goto out;
-
    nic->irqno  = 0;
-   nic->ioaddr = smc9000_base;
+   nic->ioaddr = isa->ioaddr;
 
    /*
     * Get the MAC address ( bank 1, regs 4 - 9 )
     */
-   SMC_SELECT_BANK(smc9000_base, 1);
+   SMC_SELECT_BANK(nic->ioaddr, 1);
    for ( i = 0; i < 6; i += 2 ) {
       word address;
 
-      address = inw(smc9000_base + ADDR0 + i);
+      address = inw(nic->ioaddr + ADDR0 + i);
       nic->node_addr[i+1] = address >> 8;
       nic->node_addr[i] = address & 0xFF;
    }
 
-
    /* get the memory information */
-   SMC_SELECT_BANK(smc9000_base, 0);
-   memory = ( inw(smc9000_base + MCR) >> 9 )  & 0x7;  /* multiplier */
-   memory *= 256 * (inw(smc9000_base + MIR) & 0xFF);
+   SMC_SELECT_BANK(nic->ioaddr, 0);
+   memory = ( inw(nic->ioaddr + MCR) >> 9 )  & 0x7;  /* multiplier */
+   memory *= 256 * (inw(nic->ioaddr + MIR) & 0xFF);
 
    /*
     * Now, I want to find out more about the chip.  This is sort of
     * redundant, but it's cleaner to have it in both, rather than having
     * one VERY long probe procedure.
     */
-   SMC_SELECT_BANK(smc9000_base, 3);
-   revision  = inw(smc9000_base + REVISION);
+   SMC_SELECT_BANK(nic->ioaddr, 3);
+   revision  = inw(nic->ioaddr + REVISION);
    version_string = chip_ids[(revision >> 4) & 0xF];
 
    if (((revision & 0xF0) >> 4 == CHIP_9196) &&
@@ -469,12 +430,12 @@ static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
 
    if ( !version_string ) {
       /* I shouldn't get here because this call was done before.... */
-      goto out;
+      return 0;
    }
 
    /* is it using AUI or 10BaseT ? */
-   SMC_SELECT_BANK(smc9000_base, 1);
-   if (inw(smc9000_base + CONFIG) & CFG_AUI_SELECT)
+   SMC_SELECT_BANK(nic->ioaddr, 1);
+   if (inw(nic->ioaddr + CONFIG) & CFG_AUI_SELECT)
      media = 2;
    else
      media = 1;
@@ -482,67 +443,63 @@ static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
    if_string = interfaces[media - 1];
 
    /* now, reset the chip, and put it into a known state */
-   smc_reset(smc9000_base);
+   smc_reset(nic->ioaddr);
 
    printf("SMC9000 %s\n", smc9000_version);
-#ifdef	SMC9000_VERBOSE
-   printf("Copyright (C) 1998 Daniel Engstr\x94m\n");
-   printf("Copyright (C) 1996 Eric Stahlman\n");
-#endif
+   DBG("Copyright (C) 1998 Daniel Engstr\x94m\n");
+   DBG("Copyright (C) 1996 Eric Stahlman\n");
 
    printf("%s rev:%d I/O port:%hX Interface:%s RAM:%d bytes \n",
 	  version_string, revision & 0xF,
-	  smc9000_base, if_string, memory );
+	  nic->ioaddr, if_string, memory );
    /*
     * Print the Ethernet address
     */
    printf("Ethernet MAC address: %!\n", nic->node_addr);
 
-   SMC_SELECT_BANK(smc9000_base, 0);
+   SMC_SELECT_BANK(nic->ioaddr, 0);
 
    /* see the header file for options in TCR/RCR NORMAL*/
-   _outw(TCR_NORMAL, smc9000_base + TCR);
-   _outw(RCR_NORMAL, smc9000_base + RCR);
+   _outw(TCR_NORMAL, nic->ioaddr + TCR);
+   _outw(RCR_NORMAL, nic->ioaddr + RCR);
 
    /* Select which interface to use */
-   SMC_SELECT_BANK(smc9000_base, 1);
+   SMC_SELECT_BANK(nic->ioaddr, 1);
    if ( media == 1 ) {
-      _outw( inw( smc9000_base + CONFIG ) & ~CFG_AUI_SELECT,
-	   smc9000_base + CONFIG );
+      _outw( inw( nic->ioaddr + CONFIG ) & ~CFG_AUI_SELECT,
+	   nic->ioaddr + CONFIG );
    }
    else if ( media == 2 ) {
-      _outw( inw( smc9000_base + CONFIG ) | CFG_AUI_SELECT,
-	   smc9000_base + CONFIG );
+      _outw( inw( nic->ioaddr + CONFIG ) | CFG_AUI_SELECT,
+	   nic->ioaddr + CONFIG );
    }
-static struct nic_operations smc9000_operations;
-static struct nic_operations smc9000_operations = {
-	.connect	= dummy_connect,
-	.poll		= smc9000_poll,
-	.transmit	= smc9000_transmit,
-	.irq		= smc9000_irq,
-	.disable	= smc9000_disable,
-};
+
    nic->nic_op	= &smc9000_operations;
+   return 1;
+}
 
-   /* Based on PnP ISA map */
-   dev->devid.vendor_id = htons(GENERIC_ISAPNP_VENDOR);
-   dev->devid.device_id = htons(0x8228);
+/*
+ * The SMC9000 can be at any of the following port addresses.  To
+ * change for a slightly different card, you can add it to the array.
+ *
+ */
+static struct isa_probe_addr smc9000_probe_addrs[] = {
+   { 0x200 }, { 0x220 }, { 0x240 }, { 0x260 },
+   { 0x280 }, { 0x2A0 }, { 0x2C0 }, { 0x2E0 },
+   { 0x300 }, { 0x320 }, { 0x340 }, { 0x360 },
+   { 0x380 }, { 0x3A0 }, { 0x3C0 }, { 0x3E0 },
+};
 
-   return 1;
+static struct isa_driver smc9000_driver =
+ISA_DRIVER ( "SMC9000", smc9000_probe_addrs, smc9000_probe_addr,
+	     GENERIC_ISAPNP_VENDOR, 0x8228 );
 
-out:
-#ifdef	SMC9000_VERBOSE
-   /* printf("No SMC9000 adapters found\n"); */
-#endif
-   smc9000_base = 0;
+BOOT_DRIVER ( "SMC9000", find_isa_boot_device, smc9000_driver, smc9000_probe );
 
-   return (0);
-}
+ISA_ROM( "smc9000", "SMC9000" );
 
-static struct isa_driver smc9000_driver __isa_driver = {
-	.type    = NIC_DRIVER,
-	.name    = "SMC9000",
-	.probe   = smc9000_probe,
-	.ioaddrs = 0,
-};
-ISA_ROM("smc9000","SMC9000");
+/*
+ * Local variables:
+ *  c-basic-offset: 3
+ * End:
+ */