target/linux/rdc/patches-2.6.23/002-r6040_ethernet.patch

   1 diff -urN linux-2.6.17/drivers/net/Kconfig linux-2.6.17.new/drivers/net/Kconfig
   2 --- linux-2.6.17/drivers/net/Kconfig    2006-06-18 03:49:35.000000000 +0200
   3 +++ linux-2.6.17.new/drivers/net/Kconfig        2006-09-25 13:14:27.000000000 +0200
   4 @@ -1358,6 +1358,24 @@
   5           <file:Documentation/networking/net-modules.txt>.  The module will be
   6           called apricot.
   7
   8 +config R6040
   9 +       tristate "RDC Fast-Ethernet support (EXPERIMENTAL)"
  10 +       depends on NET_PCI && EXPERIMENTAL
  11 +       select MII
  12 +       help
  13 +         If you have a network (Ethernet) controller of this type, say Y and
  14 +         read the Ethernet-HOWTO, available from
  15 +          <http://www.tldp.org/docs.html#howto>.
  16 +
  17 +          To compile this driver as a module, choose M here and read
  18 +          <file:Documentation/networking/net-modules.txt>.  The module will be
  19 +          called r6040.
  20 +
  21 +
  22 +config R6040_NAPI
  23 +       bool "NAPI support for R6040"
  24 +       depends on R6040
  25 +       default y
  26  config B44
  27         tristate "Broadcom 4400 ethernet support (EXPERIMENTAL)"
  28         depends on NET_PCI && PCI && EXPERIMENTAL
  29 diff -urN linux-2.6.17/drivers/net/Makefile linux-2.6.17.new/drivers/net/Makefile
  30 --- linux-2.6.17/drivers/net/Makefile   2006-06-18 03:49:35.000000000 +0200
  31 +++ linux-2.6.17.new/drivers/net/Makefile       2006-09-25 13:14:45.000000000 +0200
  32 @@ -106,6 +106,7 @@
  33  obj-$(CONFIG_NE3210) += ne3210.o 8390.o
  34  obj-$(CONFIG_NET_SB1250_MAC) += sb1250-mac.o
  35  obj-$(CONFIG_B44) += b44.o
  36 +obj-$(CONFIG_R6040) += r6040.o
  37  obj-$(CONFIG_FORCEDETH) += forcedeth.o
  38  obj-$(CONFIG_NE_H8300) += ne-h8300.o 8390.o
  39 diff -urN linux-2.6.23/drivers/net/r6040.c linux-2.6.23.new/drivers/net/r6040.c
  40 --- linux-2.6.23/drivers/net/r6040.c    2006-06-18 03:49:35.000000000 +0200
  41 +++ linux-2.6.23.new/drivers/net/r6040.c        2006-09-25 13:14:45.000000000 +0200
  42 @@ -0,0 +1,1048 @@
  43 +/* r6040.c: A RDC R6040 FastEthernet driver for linux. */
  44 +/*
  45 +       Re-written 2004 by Sten Wang.
  46 +
  47 +       Copyright 1994-2000 by Donald Becker.
  48 +       Copyright 1993 United States Government as represented by the
  49 +       Director, National Security Agency.      This software may be used and
  50 +       distributed according to the terms of the GNU General Public License,
  51 +       incorporated herein by reference.
  52 +
  53 +       This driver is for RDC R6040 FastEthernet MAC series.
  54 +       For kernel version after 2.4.22
  55 +
  56 +       Modification List
  57 +       ----------      ------------------------------------------------
  58 +       10-07-2007      Clean up the driver using checkpatch
  59 +       08-24-2006      Support at linux 2.6.10 above
  60 +       03-24-2006      Support NAPI
  61 +       03-21-2006      By Charies,change spin_lock_irqsave(lp->lock, flags)
  62 +                       to spin_lock_irqsave(&lp->lock, flags)
  63 +                       in set_multicast_list
  64 +       03-15-2006      Modify the set_multicast_list ,due to when re-plug the ethernet,
  65 +                       it will forget the previous setting
  66 +       07-12-2005      Tim, modify the set_multicast_list
  67 +       03-28-2005      Tim, modify some error mac register offset in
  68 +                       function set_multicast_list
  69 +       03-27-2005      Tim, Add the internal state machine reset
  70 +                       Sten, If multicast address more than 4, enter PROM mode
  71 +                       Changed rdc to r6040
  72 +       12-22-2004      Sten Init MAC MBCR register=0x012A
  73 +                       PHY_CAP = 0x01E1
  74 +
  75 +       Need to Do LIst:
  76 +       1. If multicast address more than 4, use the multicast address hash
  77 +*/
  78 +
  79 +#define DRV_NAME       "r6040"
  80 +#define DRV_VERSION    "0.13"
  81 +#define DRV_RELDATE    "24Aug2006"
  82 +
  83 +/* PHY CHIP Address */
  84 +#define PHY1_ADDR      1       /* For MAC1 */
  85 +#define PHY2_ADDR      2       /* For MAC2 */
  86 +#define PHY_MODE       0x3100  /* PHY CHIP Register 0 */
  87 +#define PHY_CAP                0x01E1  /* PHY CHIP Register 4 */
  88 +
  89 +/* Time in jiffies before concluding the transmitter is hung. */
  90 +#define TX_TIMEOUT     (6000 * HZ / 1000)
  91 +#define TIMER_WUT      (jiffies + HZ * 1)/* timer wakeup time : 1 second */
  92 +
  93 +/* RDC MAC ID */
  94 +#define RDC_MAC_ID     0x6040
  95 +
  96 +/* RDC MAC I/O Size */
  97 +#define R6040_IO_SIZE  256
  98 +
  99 +/* RDC Chip PCI Command */
 100 +#define R6040_PCI_CMD  0x0005  /* IO, Master */
 101 +
 102 +/* MAX RDC MAC */
 103 +#define MAX_MAC                2
 104 +
 105 +/* MAC setting */
 106 +#define TX_DCNT                0x80    /* TX descriptor count */
 107 +#define RX_DCNT                0x80    /* RX descriptor count */
 108 +#define MAX_BUF_SIZE   0x600
 109 +#define ALLOC_DESC_SIZE        ((TX_DCNT+RX_DCNT)*sizeof(struct r6040_descriptor)+0x10)
 110 +#define MBCR_DEFAULT   0x012A  /* MAC Bus Control Register */
 111 +
 112 +/* PHY settings */
 113 +#define ICPLUS_PHY_ID  0x0243
 114 +
 115 +/* Debug enable or not */
 116 +#define RDC_DEBUG      0
 117 +
 118 +#if RDC_DEBUG > 1
 119 +#define RDC_DBUG(msg, value) printk(KERN_ERR "%s %x\n", msg, value);
 120 +#else
 121 +#define RDC_DBUG(msg, value)
 122 +#endif
 123 +
 124 +
 125 +#include <linux/module.h>
 126 +#include <linux/version.h>
 127 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
 128 +#include <linux/moduleparam.h>
 129 +#endif
 130 +#include <linux/kernel.h>
 131 +#include <linux/string.h>
 132 +#include <linux/timer.h>
 133 +#include <linux/errno.h>
 134 +#include <linux/ioport.h>
 135 +#include <linux/slab.h>
 136 +#include <linux/interrupt.h>
 137 +#include <linux/pci.h>
 138 +#include <linux/netdevice.h>
 139 +#include <linux/etherdevice.h>
 140 +#include <linux/skbuff.h>
 141 +#include <linux/init.h>
 142 +#include <linux/delay.h>
 143 +#include <linux/mii.h>
 144 +#include <linux/ethtool.h>
 145 +#include <linux/crc32.h>
 146 +#include <linux/spinlock.h>
 147 +
 148 +#include <asm/processor.h>
 149 +#include <asm/bitops.h>
 150 +#include <asm/io.h>
 151 +#include <asm/irq.h>
 152 +#include <asm/uaccess.h>
 153 +
 154 +MODULE_AUTHOR("Sten Wang <sten.wang@rdc.com.tw>, Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>, Florian Fainelli <florian@openwrt.org>");
 155 +MODULE_LICENSE("GPL");
 156 +#ifdef CONFIG_R6040_NAPI
 157 +MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet Driver");
 158 +#else
 159 +MODULE_DESCRIPTION("RDC R6040 PCI FastEthernet Driver");
 160 +#endif
 161 +
 162 +#define R6040_INT_MASK                 0x0011
 163 +
 164 +struct r6040_descriptor {
 165 +       u16     status, len;            /* 0-3 */
 166 +       u32     buf;                    /* 4-7 */
 167 +       u32     ndesc;                  /* 8-B */
 168 +       u32     rev1;                   /* C-F */
 169 +       char    *vbufp;                 /* 10-13 */
 170 +       struct r6040_descriptor *vndescp;       /* 14-17 */
 171 +       struct sk_buff *skb_ptr;        /* 18-1B */
 172 +       u32     rev2;                   /* 1C-1F */
 173 +} __attribute__((aligned(32)));
 174 +
 175 +struct r6040_private {
 176 +       struct net_device_stats stats;
 177 +       spinlock_t lock;                /* driver lock */
 178 +       struct timer_list timer;
 179 +       struct pci_dev *pdev;
 180 +
 181 +       struct r6040_descriptor *rx_insert_ptr;
 182 +       struct r6040_descriptor *rx_remove_ptr;
 183 +       struct r6040_descriptor *tx_insert_ptr;
 184 +       struct r6040_descriptor *tx_remove_ptr;
 185 +       u16     tx_free_desc, rx_free_desc, phy_addr, phy_mode;
 186 +       u16     mcr0, mcr1;
 187 +       dma_addr_t desc_dma;
 188 +       char    *desc_pool;
 189 +       u16     switch_sig;
 190 +};
 191 +
 192 +struct r6040_chip_info {
 193 +       const char *name;
 194 +       u16 pci_flags;
 195 +       int io_size;
 196 +       int drv_flags;
 197 +};
 198 +
 199 +#ifdef CONFIG_R6040_NAPI
 200 +static int NAPI_status;
 201 +#endif
 202 +
 203 +static int __devinitdata printed_version;
 204 +#ifdef CONFIG_R6040_NAPI
 205 +static char version[] __devinitdata =
 206 +       KERN_INFO DRV_NAME ": RDC R6040 NAPI net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n";
 207 +#else
 208 +static char version[] __devinitdata =
 209 +       KERN_INFO DRV_NAME ": RDC R6040 net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n";
 210 +#endif
 211 +static struct r6040_chip_info r6040_chip_info[] __devinitdata =
 212 +{
 213 +       { "RDC R6040 Knight", R6040_PCI_CMD, R6040_IO_SIZE, 0}
 214 +};
 215 +static char *parent;
 216 +
 217 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
 218 +static int NUM_MAC_TABLE = 2 ;
 219 +module_param(parent, charp, 0444);
 220 +#else
 221 +MODULE_PARM(parent, "s");
 222 +#endif
 223 +MODULE_PARM_DESC(parent, "Parent network device name");
 224 +
 225 +static int phy_table[] = { 0x1, 0x2};
 226 +static u8 adr_table[2][8] = {
 227 +       {0x00, 0x00, 0x60, 0x00, 0x00, 0x01},
 228 +       {0x00, 0x00, 0x60, 0x00, 0x00, 0x02}
 229 +};
 230 +
 231 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10)
 232 +       module_param_array(adr_table, int, &NUM_MAC_TABLE, 0644);
 233 +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
 234 +       module_param_array(adr_table, int, NUM_MAC_TABLE, 0644);
 235 +#else
 236 +       MODULE_PARM(adr_table, "2-4i");
 237 +#endif
 238 +MODULE_PARM_DESC(adr_table, "MAC Address (assigned)");
 239 +
 240 +static int r6040_open(struct net_device *dev);
 241 +static int r6040_start_xmit(struct sk_buff *skb, struct net_device *dev);
 242 +static irqreturn_t r6040_interrupt(int irq, void *dev_id);
 243 +static struct net_device_stats *r6040_get_stats(struct net_device *dev);
 244 +static int r6040_close(struct net_device *dev);
 245 +static void set_multicast_list(struct net_device *dev);
 246 +static struct ethtool_ops netdev_ethtool_ops;
 247 +static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
 248 +static void r6040_down(struct net_device *dev);
 249 +static void r6040_up(struct net_device *dev);
 250 +static void r6040_tx_timeout (struct net_device *dev);
 251 +static void r6040_timer(unsigned long);
 252 +
 253 +static int phy_mode_chk(struct net_device *dev);
 254 +static int phy_read(int ioaddr, int phy_adr, int reg_idx);
 255 +static void phy_write(int ioaddr, int phy_adr, int reg_idx, int dat);
 256 +static void rx_buf_alloc(struct r6040_private *lp, struct net_device *dev);
 257 +#ifdef CONFIG_R6040_NAPI
 258 +static int r6040_poll(struct net_device *netdev, int *budget);
 259 +#endif
 260 +
 261 +
 262 +static int __devinit r6040_init_one (struct pci_dev *pdev,
 263 +                                        const struct pci_device_id *ent)
 264 +{
 265 +       struct net_device *dev;
 266 +       struct r6040_private *lp;
 267 +       int ioaddr, io_size, err;
 268 +       static int card_idx = -1;
 269 +       int chip_id = (int)ent->driver_data;
 270 +
 271 +       RDC_DBUG("r6040_init_one()", 0);
 272 +
 273 +       if (printed_version++)
 274 +               printk(KERN_INFO "%s\n", version);
 275 +
 276 +       err = pci_enable_device(pdev);
 277 +       if (err)
 278 +               return err;
 279 +
 280 +       /* this should always be supported */
 281 +       if (pci_set_dma_mask(pdev, 0xffffffff)) {
 282 +               printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses not supported by the card!?\n");
 283 +               return  -ENODEV;
 284 +       }
 285 +
 286 +       /* IO Size check */
 287 +       io_size = r6040_chip_info[chip_id].io_size;
 288 +       if (pci_resource_len  (pdev, 0) < io_size) {
 289 +               return  -ENODEV;
 290 +       }
 291 +
 292 +       ioaddr = pci_resource_start (pdev, 0);  /* IO map base address */
 293 +       pci_set_master(pdev);
 294 +
 295 +       dev = alloc_etherdev(sizeof(struct r6040_private));
 296 +       if (dev == NULL)
 297 +               return -ENOMEM;
 298 +       SET_MODULE_OWNER(dev);
 299 +
 300 +       if (pci_request_regions(pdev, DRV_NAME)) {
 301 +               printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n");
 302 +               err = -ENODEV;
 303 +               goto err_out_disable;
 304 +       }
 305 +
 306 +       /* Init system & device */
 307 +       lp = dev->priv;
 308 +       dev->base_addr = ioaddr;
 309 +       dev->irq = pdev->irq;
 310 +
 311 +       spin_lock_init(&lp->lock);
 312 +       pci_set_drvdata(pdev, dev);
 313 +
 314 +       /* Set MAC address */
 315 +       card_idx++;
 316 +       memcpy(dev->dev_addr, (u8 *)&adr_table[card_idx][0], 6);
 317 +
 318 +       /* Link new device into r6040_root_dev */
 319 +       lp->pdev = pdev;
 320 +
 321 +       /* Init RDC private data */
 322 +       lp->mcr0 = 0x1002;
 323 +       lp->phy_addr = phy_table[card_idx];
 324 +       lp->switch_sig = 0;
 325 +
 326 +       /* The RDC-specific entries in the device structure. */
 327 +       dev->open = &r6040_open;
 328 +       dev->hard_start_xmit = &r6040_start_xmit;
 329 +       dev->stop = &r6040_close;
 330 +       dev->get_stats = &r6040_get_stats;
 331 +       dev->set_multicast_list = &set_multicast_list;
 332 +       dev->do_ioctl = &netdev_ioctl;
 333 +       dev->ethtool_ops = &netdev_ethtool_ops;
 334 +       dev->tx_timeout = &r6040_tx_timeout;
 335 +       dev->watchdog_timeo = TX_TIMEOUT;
 336 +#ifdef CONFIG_R6040_NAPI
 337 +       dev->poll = &r6040_poll;
 338 +       dev->weight = 64;
 339 +#endif
 340 +
 341 +       /* Register net device. After this dev->name assign */
 342 +       err = register_netdev(dev);
 343 +       if (err) {
 344 +               printk(KERN_ERR DRV_NAME ": Failed to register net device\n");
 345 +               goto err_out_res;
 346 +       }
 347 +
 348 +       netif_carrier_on(dev);
 349 +       return 0;
 350 +
 351 +err_out_res:
 352 +       pci_release_regions(pdev);
 353 +err_out_disable:
 354 +       pci_disable_device(pdev);
 355 +       pci_set_drvdata(pdev, NULL);
 356 +       kfree(dev);
 357 +
 358 +       return err;
 359 +}
 360 +
 361 +static void __devexit r6040_remove_one (struct pci_dev *pdev)
 362 +{
 363 +       struct net_device *dev = pci_get_drvdata(pdev);
 364 +
 365 +       unregister_netdev(dev);
 366 +       pci_release_regions(pdev);
 367 +       kfree(dev);
 368 +       pci_disable_device(pdev);
 369 +       pci_set_drvdata(pdev, NULL);
 370 +}
 371 +
 372 +static int
 373 +r6040_open(struct net_device *dev)
 374 +{
 375 +       struct r6040_private *lp = dev->priv;
 376 +       int i;
 377 +
 378 +       RDC_DBUG("r6040_open()", 0);
 379 +
 380 +       /* Request IRQ and Register interrupt handler */
 381 +       i = request_irq(dev->irq, &r6040_interrupt, SA_SHIRQ, dev->name, dev);
 382 +       if (i) return i;
 383 +
 384 +       /* Allocate Descriptor memory */
 385 +       lp->desc_pool = pci_alloc_consistent(lp->pdev, ALLOC_DESC_SIZE, &lp->desc_dma);
 386 +       if (!lp->desc_pool)
 387 +               return -ENOMEM;
 388 +
 389 +       r6040_up(dev);
 390 +
 391 +       netif_start_queue(dev);
 392 +
 393 +       if (lp->switch_sig != ICPLUS_PHY_ID) {
 394 +               /* set and active a timer process */
 395 +               init_timer(&lp->timer);
 396 +               lp->timer.expires = TIMER_WUT;
 397 +               lp->timer.data = (unsigned long)dev;
 398 +               lp->timer.function = &r6040_timer;
 399 +               add_timer(&lp->timer);
 400 +       }
 401 +       return 0;
 402 +}
 403 +
 404 +static void
 405 +r6040_tx_timeout (struct net_device *dev)
 406 +{
 407 +       struct r6040_private *lp = dev->priv;
 408 +       /* int ioaddr = dev->base_addr;
 409 +       struct r6040_descriptor *descptr = lp->tx_remove_ptr; */
 410 +
 411 +       RDC_DBUG("r6040_tx_timeout()", 0);
 412 +
 413 +       /* Transmitter timeout, serious problems. */
 414 +       /* Sten: Nothing need to do so far. */
 415 +       printk(KERN_ERR DRV_NAME ": Big Trobule, transmit timeout/n");
 416 +       lp->stats.tx_errors++;
 417 +       netif_stop_queue(dev);
 418 +
 419 +//printk("<RDC> XMT timedout: CR0 %x, CR40 %x, CR3C %x, CR2C %x, CR30 %x, CR34 %x, CR38 %x\n", inw(ioaddr), inw(ioaddr+0x40), inw(ioaddr+0x3c), inw(ioaddr+0x2c), inw(ioaddr+0x30), inw(ioaddr+0x34), inw(ioaddr+0x38));
 420 +
 421 +//printk("<RDC> XMT_TO: %08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp);
 422 +}
 423 +
 424 +
 425 +static int
 426 +r6040_start_xmit(struct sk_buff *skb, struct net_device *dev)
 427 +{
 428 +       struct r6040_private *lp = dev->priv;
 429 +       struct r6040_descriptor *descptr;
 430 +       int ioaddr = dev->base_addr;
 431 +       unsigned long flags;
 432 +
 433 +       RDC_DBUG("r6040_start_xmit()", 0);
 434 +
 435 +       if (skb == NULL)        /* NULL skb directly return */
 436 +               return 0;
 437 +       if (skb->len >= MAX_BUF_SIZE) { /* Packet too long, drop it */
 438 +               dev_kfree_skb(skb);
 439 +               return 0;
 440 +       }
 441 +
 442 +       /* Critical Section */
 443 +       spin_lock_irqsave(&lp->lock, flags);
 444 +
 445 +       /* TX resource check */
 446 +       if (!lp->tx_free_desc) {
 447 +               spin_unlock_irqrestore(&lp->lock, flags);
 448 +               printk(KERN_ERR DRV_NAME ": NO TX DESC ");
 449 +               return 1;
 450 +       }
 451 +
 452 +       /* Statistic Counter */
 453 +       lp->stats.tx_packets++;
 454 +       lp->stats.tx_bytes += skb->len;
 455 +
 456 +       /* Set TX descriptor & Transmit it */
 457 +       lp->tx_free_desc--;
 458 +       descptr = lp->tx_insert_ptr;
 459 +       if (skb->len < 0x3c)
 460 +               descptr->len = 0x3c;
 461 +       else
 462 +               descptr->len = skb->len;
 463 +
 464 +       descptr->skb_ptr = skb;
 465 +       descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, skb->data, skb->len, PCI_DMA_TODEVICE));
 466 +       descptr->status = 0x8000;
 467 +       outw(0x01, ioaddr + 0x14);
 468 +       lp->tx_insert_ptr = descptr->vndescp;
 469 +
 470 +#if RDC_DEBUG
 471 + printk("Xmit(): %08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp);
 472 +#endif
 473 +
 474 +       /* If no tx resource, stop */
 475 +       if (!lp->tx_free_desc)
 476 +               netif_stop_queue(dev);
 477 +
 478 +       dev->trans_start = jiffies;
 479 +       spin_unlock_irqrestore(&lp->lock, flags);
 480 +       return 0;
 481 +}
 482 +
 483 +/* The RDC interrupt handler. */
 484 +static irqreturn_t
 485 +r6040_interrupt(int irq, void *dev_id)
 486 +{
 487 +       struct net_device *dev = dev_id;
 488 +       struct r6040_private *lp;
 489 +       struct r6040_descriptor *descptr;
 490 +       struct sk_buff *skb_ptr;
 491 +       int ioaddr, status;
 492 +       unsigned long flags;
 493 +#ifdef CONFIG_R6040_NAPI
 494 +       int handled = 1;
 495 +#else
 496 +       int handled = 0;
 497 +#endif
 498 +
 499 +       RDC_DBUG("r6040_interrupt()", 0);
 500 +       if (dev == NULL) {
 501 +               printk (KERN_ERR DRV_NAME ": INT() unknown device.\n");
 502 +               return IRQ_RETVAL(handled);
 503 +       }
 504 +
 505 +       lp = (struct r6040_private *)dev->priv;
 506 +       spin_lock_irqsave(&lp->lock, flags);
 507 +
 508 +       /* Check MAC Interrupt status */
 509 +       ioaddr = dev->base_addr;
 510 +       outw(0x0, ioaddr + 0x40);       /* Mask Off RDC MAC interrupt */
 511 +       status = inw(ioaddr + 0x3c);    /* Read INTR status and clear */
 512 +
 513 +
 514 +#ifdef CONFIG_R6040_NAPI
 515 +       if (netif_rx_schedule_prep(dev)) {
 516 +               NAPI_status = status;
 517 +               __netif_rx_schedule(dev);
 518 +       }
 519 +
 520 +       spin_unlock_irqrestore(&lp->lock, flags);
 521 +       return IRQ_RETVAL(handled);
 522 +#else
 523 +       /* TX interrupt request */
 524 +       if (status & 0x10) {
 525 +               handled = 1;
 526 +               descptr = lp->tx_remove_ptr;
 527 +               while (lp->tx_free_desc < TX_DCNT) {
 528 +                       if (descptr->status & 0x8000)
 529 +                               break; /* Not complte */
 530 +                       skb_ptr = descptr->skb_ptr;
 531 +                       pci_unmap_single(lp->pdev, descptr->buf, skb_ptr->len, PCI_DMA_TODEVICE);
 532 +                       dev_kfree_skb_irq(skb_ptr); /* Free buffer */
 533 +                       descptr->skb_ptr = 0;
 534 +                       descptr = descptr->vndescp; /* To next descriptor */
 535 +                       lp->tx_free_desc++;
 536 +               }
 537 +               lp->tx_remove_ptr = descptr;
 538 +               if (lp->tx_free_desc)
 539 +                       netif_wake_queue(dev);
 540 +       }
 541 +
 542 +       /* RX interrupt request */
 543 +       if (status & 0x01) {
 544 +               handled = 1;
 545 +               descptr = lp->rx_remove_ptr;
 546 +               while(lp->rx_free_desc) {
 547 +                       if (descptr->status & 0x8000) break; /* No Rx packet */
 548 +                       skb_ptr = descptr->skb_ptr;
 549 +                       descptr->skb_ptr = 0;
 550 +                       skb_ptr->dev = dev;
 551 +                       skb_put(skb_ptr, descptr->len - 4);
 552 +                       pci_unmap_single(lp->pdev, descptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE);
 553 +                       skb_ptr->protocol = eth_type_trans(skb_ptr, dev);
 554 +                       netif_rx(skb_ptr);  /* Send to upper layer */
 555 +                       lp->stats.rx_packets++;
 556 +                       lp->stats.rx_bytes += descptr->len;
 557 +                       descptr = descptr->vndescp; /* To next descriptor */
 558 +                       lp->rx_free_desc--;
 559 +               }
 560 +               lp->rx_remove_ptr = descptr;
 561 +       }
 562 +
 563 +       /* Allocate new RX buffer */
 564 +       if (lp->rx_free_desc < RX_DCNT) rx_buf_alloc(lp,dev);
 565 +
 566 +       outw(R6040_INT_MASK, ioaddr + 0x40);    /* TX/RX interrupt enable */
 567 +       spin_unlock_irqrestore(&lp->lock, flags);
 568 +#endif
 569 +       return IRQ_RETVAL(handled);
 570 +}
 571 +
 572 +
 573 +static struct net_device_stats *
 574 +r6040_get_stats(struct net_device *dev)
 575 +{
 576 +       struct r6040_private *lp = dev->priv;
 577 +
 578 +       RDC_DBUG("r6040_get_stats()", 0);
 579 +       return &lp->stats;
 580 +}
 581 +
 582 +/*
 583 + *     Set or clear the multicast filter for this adaptor.
 584 + */
 585 +static void
 586 +set_multicast_list(struct net_device *dev)
 587 +{
 588 +       struct r6040_private *lp = dev->priv;
 589 +       struct dev_mc_list *mcptr;
 590 +       int ioaddr = dev->base_addr;
 591 +       u16 *adrp, i;
 592 +       unsigned long flags;
 593 +
 594 +       RDC_DBUG("set_multicast_list()", 0);
 595 +
 596 +       /* MAC Address */
 597 +       adrp = (u16 *) dev->dev_addr;
 598 +       outw(adrp[0], ioaddr + 0x68);
 599 +       outw(adrp[1], ioaddr + 0x6A);
 600 +       outw(adrp[2], ioaddr + 0x6C);
 601 +
 602 +
 603 +#if RDC_DEBUG
 604 +       printk("MAC ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]);
 605 +#endif
 606 +
 607 +       /* Promiscous Mode */
 608 +       spin_lock_irqsave(&lp->lock, flags);
 609 +       i = inw(ioaddr) & ~0x0120;              /* Clear AMCP & PROM */
 610 +       if (dev->flags & IFF_PROMISC) {
 611 +               i |= 0x0020;
 612 +               lp->mcr0 |= 0x0020;
 613 +       }
 614 +       if (dev->mc_count > 4)
 615 +               i |= 0x0020;    /* Too many multicast address */
 616 +
 617 +       outw(i, ioaddr);
 618 +       spin_unlock_irqrestore(&lp->lock, flags);
 619 +
 620 +       /* Multicast Address */
 621 +       if (dev->mc_count > 4)  /* Wait to do: Hash Table for multicast */
 622 +               return;
 623 +
 624 +       /* Multicast Address 1~4 case */
 625 +       for (i = 0, mcptr = dev->mc_list; (i < dev->mc_count) && (i < 4); i++) {
 626 +               adrp = (u16 *)mcptr->dmi_addr;
 627 +               outw(adrp[0], ioaddr + 0x70 + 8*i);
 628 +               outw(adrp[1], ioaddr + 0x72 + 8*i);
 629 +               outw(adrp[2], ioaddr + 0x74 + 8*i);
 630 +               mcptr = mcptr->next;
 631 +#if RDC_DEBUG
 632 +       printk("M_ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]);
 633 +#endif
 634 +       }
 635 +       for (i = dev->mc_count; i < 4; i++) {
 636 +               outw(0xffff, ioaddr + 0x68 + 8*i);
 637 +               outw(0xffff, ioaddr + 0x6A + 8*i);
 638 +               outw(0xffff, ioaddr + 0x6C + 8*i);
 639 +       }
 640 +}
 641 +
 642 +static void netdev_get_drvinfo (struct net_device *dev, struct ethtool_drvinfo *info)
 643 +{
 644 +       struct r6040_private *rp = dev->priv;
 645 +
 646 +       strcpy (info->driver, DRV_NAME);
 647 +       strcpy (info->version, DRV_VERSION);
 648 +       strcpy (info->bus_info, pci_name(rp->pdev));
 649 +}
 650 +
 651 +static struct ethtool_ops netdev_ethtool_ops = {
 652 +       .get_drvinfo            = netdev_get_drvinfo,
 653 +};
 654 +
 655 +static int
 656 +r6040_close(struct net_device *dev)
 657 +{
 658 +       struct r6040_private *lp = dev->priv;
 659 +
 660 +       RDC_DBUG("r6040_close()", 0);
 661 +
 662 +       /* deleted timer */
 663 +       del_timer_sync(&lp->timer);
 664 +
 665 +       spin_lock_irq(&lp->lock);
 666 +
 667 +       netif_stop_queue(dev);
 668 +
 669 +       r6040_down(dev);
 670 +
 671 +       spin_unlock_irq(&lp->lock);
 672 +
 673 +       return 0;
 674 +}
 675 +
 676 +static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
 677 +{
 678 +       struct r6040_private *lp = dev->priv;
 679 +
 680 +       RDC_DBUG("netdev_ioctl()", 0);
 681 +
 682 +       if (lp->switch_sig == ICPLUS_PHY_ID && cmd == SIOCDEVPRIVATE) {
 683 +               unsigned long *data = (unsigned long *)rq->ifr_data, args[4];
 684 +               int ioaddr = dev->base_addr;
 685 +               unsigned int val;
 686 +
 687 +               data = (unsigned long *)rq->ifr_data;
 688 +               if (copy_from_user(args, data, 4*sizeof(unsigned long)))
 689 +                       return -EFAULT;
 690 +
 691 +               /* port priority */
 692 +               if(args[0]&(1<<31))phy_write(ioaddr, 29, 19, (phy_read(ioaddr, 29, 19) | 0x2000));      /* port 0 */
 693 +               if(args[0]&(1<<29))phy_write(ioaddr, 29, 19, (phy_read(ioaddr, 29, 19) | 0x0020));      /* port 1 */
 694 +               if(args[0]&(1<<27))phy_write(ioaddr, 29, 20, (phy_read(ioaddr, 29, 20) | 0x2000));      /* port 2 */
 695 +               if(args[0]&(1<<25))phy_write(ioaddr, 29, 20, (phy_read(ioaddr, 29, 20) | 0x0020));      /* port 3 */
 696 +
 697 +       }
 698 +       return -EOPNOTSUPP;
 699 +}
 700 +
 701 +/**
 702 +       Stop RDC MAC and Free the allocated resource
 703 + */
 704 +static void r6040_down(struct net_device *dev)
 705 +{
 706 +       struct r6040_private *lp = dev->priv;
 707 +       int i;
 708 +       int ioaddr = dev->base_addr;
 709 +
 710 +       RDC_DBUG("r6040_down()", 0);
 711 +
 712 +       /* Stop MAC */
 713 +       outw(0x0000, ioaddr + 0x40);    /* Mask Off Interrupt */
 714 +       outw(0x0001, ioaddr + 0x04);    /* Reset RDC MAC */
 715 +       i = 0;
 716 +       do{}while((i++ < 2048) && (inw(ioaddr + 0x04) & 0x1));
 717 +
 718 +       free_irq(dev->irq, dev);
 719 +
 720 +       /* Free RX buffer */
 721 +       for (i = 0; i < RX_DCNT; i++) {
 722 +               if (lp->rx_insert_ptr->skb_ptr) {
 723 +                       pci_unmap_single(lp->pdev, lp->rx_insert_ptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE);
 724 +                       dev_kfree_skb(lp->rx_insert_ptr->skb_ptr);
 725 +                       lp->rx_insert_ptr->skb_ptr = 0;
 726 +               }
 727 +               lp->rx_insert_ptr = lp->rx_insert_ptr->vndescp;
 728 +       }
 729 +
 730 +       /* Free TX buffer */
 731 +       for (i = 0; i < TX_DCNT; i++) {
 732 +               if (lp->tx_insert_ptr->skb_ptr) {
 733 +                       pci_unmap_single(lp->pdev, lp->tx_insert_ptr->buf, MAX_BUF_SIZE, PCI_DMA_TODEVICE);
 734 +                       dev_kfree_skb(lp->tx_insert_ptr->skb_ptr);
 735 +                       lp->rx_insert_ptr->skb_ptr = 0;
 736 +               }
 737 +               lp->tx_insert_ptr = lp->tx_insert_ptr->vndescp;
 738 +       }
 739 +
 740 +       /* Free Descriptor memory */
 741 +       pci_free_consistent(lp->pdev, ALLOC_DESC_SIZE, lp->desc_pool, lp->desc_dma);
 742 +}
 743 +
 744 +
 745 +
 746 +#ifdef CONFIG_R6040_NAPI
 747 +static int r6040_poll(struct net_device *dev, int *budget)
 748 +{
 749 +       struct r6040_private *lp;
 750 +       struct r6040_descriptor *descptr;
 751 +       struct sk_buff *skb_ptr;
 752 +       int ioaddr, status;
 753 +       unsigned long flags;
 754 +
 755 +
 756 +       ioaddr = dev->base_addr;
 757 +       lp = (struct r6040_private *)dev->priv;
 758 +       unsigned long rx_work = dev->quota;
 759 +       unsigned long rx;
 760 +#if 1
 761 +       /* TX interrupt request */
 762 +       if (NAPI_status & 0x10) {
 763 +               descptr = lp->tx_remove_ptr;
 764 +               while (lp->tx_free_desc < TX_DCNT) {
 765 +                       if (descptr->status & 0x8000)
 766 +                               break; /* Not complte */
 767 +
 768 +                       skb_ptr = descptr->skb_ptr;
 769 +                       pci_unmap_single(lp->pdev, descptr->buf, skb_ptr->len, PCI_DMA_TODEVICE);
 770 +                       dev_kfree_skb_irq(skb_ptr); /* Free buffer */
 771 +                       descptr->skb_ptr = 0;
 772 +                       descptr = descptr->vndescp; /* To next descriptor */
 773 +                       lp->tx_free_desc++;
 774 +               }
 775 +               lp->tx_remove_ptr = descptr;
 776 +               if (lp->tx_free_desc) netif_wake_queue(dev);
 777 +       }
 778 +#endif
 779 +#if 1
 780 +       /* RX interrupt request */
 781 +       if (NAPI_status & 0x01) {
 782 +               descptr = lp->rx_remove_ptr;
 783 +               while (lp->rx_free_desc) {
 784 +                       if (descptr->status & 0x8000)
 785 +                               break; /* No Rx packet */
 786 +                       skb_ptr = descptr->skb_ptr;
 787 +                       descptr->skb_ptr = 0;
 788 +                       skb_ptr->dev = dev;
 789 +                       skb_put(skb_ptr, descptr->len - 4);
 790 +                       pci_unmap_single(lp->pdev, descptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE);
 791 +                       skb_ptr->protocol = eth_type_trans(skb_ptr, dev);
 792 +                       netif_receive_skb(skb_ptr); /* Send to upper layer */
 793 +                       lp->stats.rx_packets++;
 794 +                       lp->stats.rx_bytes += descptr->len;
 795 +                       descptr = descptr->vndescp; /* To next descriptor */
 796 +                       lp->rx_free_desc--;
 797 +               }
 798 +               lp->rx_remove_ptr = descptr;
 799 +       }
 800 +       /* Allocate new RX buffer */
 801 +       if (lp->rx_free_desc < RX_DCNT)
 802 +               rx_buf_alloc(lp, dev);
 803 +
 804 +       local_irq_disable();
 805 +       netif_rx_complete(dev);
 806 +       outw(R6040_INT_MASK, ioaddr + 0x40);
 807 +       local_irq_enable();
 808 +       return 0;
 809 +#endif
 810 +}
 811 +#endif
 812 +
 813 +/* Init RDC MAC */
 814 +static void r6040_up(struct net_device *dev)
 815 +{
 816 +       struct r6040_private *lp = dev->priv;
 817 +       struct r6040_descriptor *descptr;
 818 +       int i;
 819 +       int ioaddr = dev->base_addr;
 820 +       u32 tmp_addr;
 821 +       dma_addr_t desc_dma, start_dma;
 822 +
 823 +       RDC_DBUG("r6040_up()", 0);
 824 +
 825 +       /* Initilize */
 826 +       lp->tx_free_desc = TX_DCNT;
 827 +       lp->rx_free_desc = 0;
 828 +
 829 +       /* Init descriptor */
 830 +       memset(lp->desc_pool, 0, ALLOC_DESC_SIZE); /* Let all descriptor = 0 */
 831 +       lp->tx_insert_ptr = (struct r6040_descriptor *)lp->desc_pool;
 832 +       lp->tx_remove_ptr = lp->tx_insert_ptr;
 833 +       lp->rx_insert_ptr = (struct r6040_descriptor *)lp->tx_insert_ptr+TX_DCNT;
 834 +       lp->rx_remove_ptr = lp->rx_insert_ptr;
 835 +
 836 +       /* Init TX descriptor */
 837 +       descptr = lp->tx_insert_ptr;
 838 +       desc_dma = lp->desc_dma;
 839 +       start_dma = desc_dma;
 840 +       for (i = 0; i < TX_DCNT; i++) {
 841 +               descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor));
 842 +               descptr->vndescp = (descptr + 1);
 843 +               descptr = (descptr + 1);
 844 +               desc_dma += sizeof(struct r6040_descriptor);
 845 +       }
 846 +       (descptr - 1)->ndesc = cpu_to_le32(start_dma);
 847 +       (descptr - 1)->vndescp = lp->tx_insert_ptr;
 848 +
 849 +       /* Init RX descriptor */
 850 +       start_dma = desc_dma;
 851 +       descptr = lp->rx_insert_ptr;
 852 +       for (i = 0; i < RX_DCNT; i++) {
 853 +               descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor));
 854 +               descptr->vndescp = (descptr + 1);
 855 +               descptr = (descptr + 1);
 856 +               desc_dma += sizeof(struct r6040_descriptor);
 857 +       }
 858 +       (descptr - 1)->ndesc = cpu_to_le32(start_dma);
 859 +       (descptr - 1)->vndescp = lp->rx_insert_ptr;
 860 +
 861 +       /* Allocate buffer for RX descriptor */
 862 +       rx_buf_alloc(lp, dev);
 863 +
 864 +#if RDC_DEBUG
 865 +descptr = lp->tx_insert_ptr;
 866 +for (i = 0; i < TX_DCNT; i++) {
 867 + printk("%08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp);
 868 + descptr = descptr->vndescp;
 869 +}
 870 +descptr = lp->rx_insert_ptr;
 871 +for (i = 0; i < RX_DCNT; i++) {
 872 + printk("%08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp);
 873 + descptr = descptr->vndescp;
 874 +}
 875 +#endif
 876 +
 877 +       /* MAC operation register */
 878 +       outw(0x01, ioaddr+0x04);        /* Reset MAC */
 879 +        outw(2, ioaddr+0xAC);          /* Reset internal state machine */
 880 +       outw(0, ioaddr+0xAC);
 881 +       udelay(5000);
 882 +
 883 +       /* TX and RX descriptor start Register */
 884 +       tmp_addr = cpu_to_le32(lp->tx_insert_ptr);
 885 +       tmp_addr = virt_to_bus((volatile void *)tmp_addr);
 886 +       outw((u16) tmp_addr, ioaddr+0x2c);
 887 +       outw(tmp_addr >> 16, ioaddr+0x30);
 888 +       tmp_addr = cpu_to_le32(lp->rx_insert_ptr);
 889 +       tmp_addr = virt_to_bus((volatile void *)tmp_addr);
 890 +       outw((u16) tmp_addr, ioaddr+0x34);
 891 +       outw(tmp_addr >> 16, ioaddr+0x38);
 892 +
 893 +       /* Buffer Size Register */
 894 +       outw(MAX_BUF_SIZE, ioaddr+0x18);
 895 +
 896 +       if ((lp->switch_sig = phy_read(ioaddr, 0, 2)) == ICPLUS_PHY_ID) {
 897 +               phy_write(ioaddr, 29,31, 0x175C); /* Enable registers */
 898 +               lp->phy_mode = 0x8000;
 899 +       } else {
 900 +               /* PHY Mode Check */
 901 +               phy_write(ioaddr, lp->phy_addr, 4, PHY_CAP);
 902 +               phy_write(ioaddr, lp->phy_addr, 0, PHY_MODE);
 903 +
 904 +               if (PHY_MODE == 0x3100)
 905 +                       lp->phy_mode = phy_mode_chk(dev);
 906 +               else
 907 +                       lp->phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0;
 908 +       }
 909 +       /* MAC Bus Control Register */
 910 +       outw(MBCR_DEFAULT, ioaddr+0x8);
 911 +
 912 +       /* MAC TX/RX Enable */
 913 +       lp->mcr0 |= lp->phy_mode;
 914 +       outw(lp->mcr0, ioaddr);
 915 +
 916 +       /* set interrupt waiting time and packet numbers */
 917 +       outw(0x0802, ioaddr + 0x0C);
 918 +       outw(0x0802, ioaddr + 0x10);
 919 +
 920 +       /* upgrade performance (by RDC guys) */
 921 +       phy_write(ioaddr, 30, 17, (phy_read(ioaddr, 30, 17) | 0x4000));        //bit 14=1
 922 +       phy_write(ioaddr, 30, 17, ~((~phy_read(ioaddr, 30, 17)) | 0x2000));    //bit 13=0
 923 +       phy_write(ioaddr, 0, 19, 0x0000);
 924 +       phy_write(ioaddr, 0, 30, 0x01F0);
 925 +
 926 +       /* Interrupt Mask Register */
 927 +       outw(R6040_INT_MASK, ioaddr + 0x40);
 928 +}
 929 +
 930 +/*
 931 +  A periodic timer routine
 932 +       Polling PHY Chip Link Status
 933 +*/
 934 +static void r6040_timer(unsigned long data)
 935 +{
 936 +       struct net_device *dev = (struct net_device *)data;
 937 +       struct r6040_private *lp = dev->priv;
 938 +       u16 ioaddr = dev->base_addr, phy_mode;
 939 +
 940 +       RDC_DBUG("r6040_timer()", 0);
 941 +
 942 +       /* Polling PHY Chip Status */
 943 +       if (PHY_MODE == 0x3100)
 944 +               phy_mode = phy_mode_chk(dev);
 945 +       else
 946 +               phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0;
 947 +
 948 +       if (phy_mode != lp->phy_mode) {
 949 +               lp->phy_mode = phy_mode;
 950 +               lp->mcr0 = (lp->mcr0 & 0x7fff) | phy_mode;
 951 +               outw(lp->mcr0, ioaddr);
 952 +               printk(KERN_INFO "Link Change %x \n", inw(ioaddr));
 953 +       }
 954 +
 955 +       /* Debug */
 956 +//     printk("<RDC> Timer: CR0 %x CR40 %x CR3C %x\n", inw(ioaddr), inw(ioaddr+0x40), inw(ioaddr+0x3c));
 957 +
 958 +       /* Timer active again */
 959 +       lp->timer.expires = TIMER_WUT;
 960 +       add_timer(&lp->timer);
 961 +}
 962 +
 963 +/* Allocate skb buffer for rx descriptor */
 964 +static void rx_buf_alloc(struct r6040_private *lp, struct net_device *dev)
 965 +{
 966 +       struct r6040_descriptor *descptr;
 967 +       int ioaddr = dev->base_addr ;
 968 +
 969 +       RDC_DBUG("rx_buf_alloc()", 0);
 970 +
 971 +       descptr = lp->rx_insert_ptr;
 972 +       while (lp->rx_free_desc < RX_DCNT) {
 973 +               descptr->skb_ptr = dev_alloc_skb(MAX_BUF_SIZE);
 974 +
 975 +               if (!descptr->skb_ptr)
 976 +                       break;
 977 +               descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, descptr->skb_ptr->tail, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE));
 978 +               descptr->status = 0x8000;
 979 +               descptr = descptr->vndescp;
 980 +               lp->rx_free_desc++;
 981 +               outw(lp->mcr0 | 0x0002, ioaddr); /* Trigger Rx DMA */
 982 +       }
 983 +       lp->rx_insert_ptr = descptr;
 984 +}
 985 +
 986 +/* Status of PHY CHIP */
 987 +static int phy_mode_chk(struct net_device *dev)
 988 +{
 989 +       struct r6040_private *lp = dev->priv;
 990 +       int ioaddr = dev->base_addr, phy_dat;
 991 +
 992 +       RDC_DBUG("phy_mode_chk()", 0);
 993 +
 994 +       /* PHY Link Status Check */
 995 +       phy_dat = phy_read(ioaddr, lp->phy_addr, 1);
 996 +       if (!(phy_dat & 0x4))
 997 +               return 0x8000;  /* Link Failed, full duplex */
 998 +
 999 +       /* PHY Chip Auto-Negotiation Status */
1000 +       phy_dat = phy_read(ioaddr, lp->phy_addr, 1);
1001 +       if (phy_dat & 0x0020) {
1002 +               /* Auto Negotiation Mode */
1003 +               phy_dat = phy_read(ioaddr, lp->phy_addr, 5);
1004 +               phy_dat &= phy_read(ioaddr, lp->phy_addr, 4);
1005 +               if (phy_dat & 0x140)
1006 +                       phy_dat = 0x8000;
1007 +               else
1008 +                       phy_dat = 0;
1009 +       } else {
1010 +               /* Force Mode */
1011 +               phy_dat = phy_read(ioaddr, lp->phy_addr, 0);
1012 +               if (phy_dat & 0x100) phy_dat = 0x8000;
1013 +               else phy_dat = 0x0000;
1014 +       }
1015 +
1016 +       return phy_dat;
1017 +};
1018 +
1019 +/* Read a word data from PHY Chip */
1020 +static int phy_read(int ioaddr, int phy_addr, int reg_idx)
1021 +{
1022 +       int i = 0;
1023 +
1024 +       RDC_DBUG("phy_read()", 0);
1025 +       outw(0x2000 + reg_idx + (phy_addr << 8), ioaddr + 0x20);
1026 +       do {} while ((i++ < 2048) && (inw(ioaddr + 0x20) & 0x2000));
1027 +
1028 +       return inw(ioaddr + 0x24);
1029 +}
1030 +
1031 +/* Write a word data from PHY Chip */
1032 +static void phy_write(int ioaddr, int phy_addr, int reg_idx, int dat)
1033 +{
1034 +       int i = 0;
1035 +
1036 +       RDC_DBUG("phy_write()", 0);
1037 +       outw(dat, ioaddr + 0x28);
1038 +       outw(0x4000 + reg_idx + (phy_addr << 8), ioaddr + 0x20);
1039 +       do{}while( (i++ < 2048) && (inw(ioaddr + 0x20) & 0x4000) );
1040 +}
1041 +
1042 +enum {
1043 +       RDC_6040 = 0
1044 +};
1045 +
1046 +static struct pci_device_id r6040_pci_tbl[] = {
1047 +       {PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6040, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040},
1048 +       /*{0x1106, 0x3065, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040},*/
1049 +       {0,}
1050 +};
1051 +MODULE_DEVICE_TABLE(pci, r6040_pci_tbl);
1052 +
1053 +static struct pci_driver r6040_driver = {
1054 +       .name           = "r6040",
1055 +       .id_table       = r6040_pci_tbl,
1056 +       .probe          = r6040_init_one,
1057 +       .remove         = __devexit_p(r6040_remove_one),
1058 +};
1059 +
1060 +
1061 +static int __init r6040_init (void)
1062 +{
1063 +       RDC_DBUG("r6040_init()", 0);
1064 +
1065 +       printk(KERN_INFO "%s\n", version);
1066 +       printed_version = 1;
1067 +
1068 +       if (parent != NULL) {
1069 +               struct net_device *the_parent = dev_get_by_name(parent);
1070 +
1071 +               if (the_parent == NULL) {
1072 +                       printk (KERN_ERR DRV_NAME ": Unknown device \"%s\" specified.\n", parent);
1073 +                       return -EINVAL;
1074 +               }
1075 +               memcpy((u8 *)&adr_table[0][0], the_parent->dev_addr, 6);
1076 +               memcpy((u8 *)&adr_table[1][0], the_parent->dev_addr, 6);
1077 +               ++*(u8 *)&adr_table[0][5];
1078 +       }
1079 +       return pci_register_driver (&r6040_driver);
1080 +}
1081 +
1082 +
1083 +static void __exit r6040_cleanup (void)
1084 +{
1085 +       RDC_DBUG("r6040_cleanup()", 0);
1086 +       pci_unregister_driver (&r6040_driver);
1087 +}
1088 +
1089 +module_init(r6040_init);
1090 +module_exit(r6040_cleanup);