drivers/atm/solos-pci.c

   1 /*
   2  * Driver for the Solos PCI ADSL2+ card, designed to support Linux by
   3  *  Traverse Technologies -- http://www.traverse.com.au/
   4  *  Xrio Limited          -- http://www.xrio.com/
   5  *
   6  *
   7  * Copyright © 2008 Traverse Technologies
   8  * Copyright © 2008 Intel Corporation
   9  *
  10  * Authors: Nathan Williams <nathan@traverse.com.au>
  11  *          David Woodhouse <dwmw2@infradead.org>
  12  *          Treker Chen <treker@xrio.com>
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * version 2, as published by the Free Software Foundation.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  */
  23
  24 #define DEBUG
  25 #define VERBOSE_DEBUG
  26
  27 #include <linux/interrupt.h>
  28 #include <linux/module.h>
  29 #include <linux/kernel.h>
  30 #include <linux/errno.h>
  31 #include <linux/ioport.h>
  32 #include <linux/types.h>
  33 #include <linux/pci.h>
  34 #include <linux/atm.h>
  35 #include <linux/atmdev.h>
  36 #include <linux/skbuff.h>
  37 #include <linux/sysfs.h>
  38 #include <linux/device.h>
  39 #include <linux/kobject.h>
  40 #include <linux/firmware.h>
  41 #include <linux/ctype.h>
  42 #include <linux/swab.h>
  43
  44 #define VERSION "0.07"
  45 #define PTAG "solos-pci"
  46
  47 #define CONFIG_RAM_SIZE 128
  48 #define FLAGS_ADDR      0x7C
  49 #define IRQ_EN_ADDR     0x78
  50 #define FPGA_VER        0x74
  51 #define IRQ_CLEAR       0x70
  52 #define WRITE_FLASH     0x6C
  53 #define PORTS           0x68
  54 #define FLASH_BLOCK     0x64
  55 #define FLASH_BUSY      0x60
  56 #define FPGA_MODE       0x5C
  57 #define FLASH_MODE      0x58
  58 #define TX_DMA_ADDR(port)       (0x40 + (4 * (port)))
  59 #define RX_DMA_ADDR(port)       (0x30 + (4 * (port)))
  60
  61 #define DATA_RAM_SIZE   32768
  62 #define BUF_SIZE        4096
  63 #define FPGA_PAGE       528 /* FPGA flash page size*/
  64 #define SOLOS_PAGE      512 /* Solos flash page size*/
  65 #define FPGA_BLOCK      (FPGA_PAGE * 8) /* FPGA flash block size*/
  66 #define SOLOS_BLOCK     (SOLOS_PAGE * 8) /* Solos flash block size*/
  67
  68 #define RX_BUF(card, nr) ((card->buffers) + (nr)*BUF_SIZE*2)
  69 #define TX_BUF(card, nr) ((card->buffers) + (nr)*BUF_SIZE*2 + BUF_SIZE)
  70
  71 #define RX_DMA_SIZE     2048
  72
  73 static int reset = 0;
  74 static int atmdebug = 0;
  75 static int firmware_upgrade = 0;
  76 static int fpga_upgrade = 0;
  77
  78 struct pkt_hdr {
  79         __le16 size;
  80         __le16 vpi;
  81         __le16 vci;
  82         __le16 type;
  83 };
  84
  85 struct solos_skb_cb {
  86         struct atm_vcc *vcc;
  87         uint32_t dma_addr;
  88 };
  89
  90
  91 #define SKB_CB(skb)             ((struct solos_skb_cb *)skb->cb)
  92
  93 #define PKT_DATA        0
  94 #define PKT_COMMAND     1
  95 #define PKT_POPEN       3
  96 #define PKT_PCLOSE      4
  97 #define PKT_STATUS      5
  98
  99 struct solos_card {
 100         void __iomem *config_regs;
 101         void __iomem *buffers;
 102         int nr_ports;
 103         int tx_mask;
 104         struct pci_dev *dev;
 105         struct atm_dev *atmdev[4];
 106         struct tasklet_struct tlet;
 107         spinlock_t tx_lock;
 108         spinlock_t tx_queue_lock;
 109         spinlock_t cli_queue_lock;
 110         spinlock_t param_queue_lock;
 111         struct list_head param_queue;
 112         struct sk_buff_head tx_queue[4];
 113         struct sk_buff_head cli_queue[4];
 114         struct sk_buff *tx_skb[4];
 115         struct sk_buff *rx_skb[4];
 116         wait_queue_head_t param_wq;
 117         wait_queue_head_t fw_wq;
 118         int using_dma;
 119 };
 120
 121
 122 struct solos_param {
 123         struct list_head list;
 124         pid_t pid;
 125         int port;
 126         struct sk_buff *response;
 127 };
 128
 129 #define SOLOS_CHAN(atmdev) ((int)(unsigned long)(atmdev)->phy_data)
 130
 131 MODULE_AUTHOR("Traverse Technologies <support@traverse.com.au>");
 132 MODULE_DESCRIPTION("Solos PCI driver");
 133 MODULE_VERSION(VERSION);
 134 MODULE_LICENSE("GPL");
 135 MODULE_PARM_DESC(reset, "Reset Solos chips on startup");
 136 MODULE_PARM_DESC(atmdebug, "Print ATM data");
 137 MODULE_PARM_DESC(firmware_upgrade, "Initiate Solos firmware upgrade");
 138 MODULE_PARM_DESC(fpga_upgrade, "Initiate FPGA upgrade");
 139 module_param(reset, int, 0444);
 140 module_param(atmdebug, int, 0644);
 141 module_param(firmware_upgrade, int, 0444);
 142 module_param(fpga_upgrade, int, 0444);
 143
 144 static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb,
 145                        struct atm_vcc *vcc);
 146 static uint32_t fpga_tx(struct solos_card *);
 147 static irqreturn_t solos_irq(int irq, void *dev_id);
 148 static struct atm_vcc* find_vcc(struct atm_dev *dev, short vpi, int vci);
 149 static int list_vccs(int vci);
 150 static void release_vccs(struct atm_dev *dev);
 151 static int atm_init(struct solos_card *);
 152 static void atm_remove(struct solos_card *);
 153 static int send_command(struct solos_card *card, int dev, const char *buf, size_t size);
 154 static void solos_bh(unsigned long);
 155 static int print_buffer(struct sk_buff *buf);
 156
 157 static inline void solos_pop(struct atm_vcc *vcc, struct sk_buff *skb)
 158 {
 159         if (vcc->pop)
 160                 vcc->pop(vcc, skb);
 161         else
 162                 dev_kfree_skb_any(skb);
 163 }
 164
 165 static ssize_t solos_param_show(struct device *dev, struct device_attribute *attr,
 166                                 char *buf)
 167 {
 168         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 169         struct solos_card *card = atmdev->dev_data;
 170         struct solos_param prm;
 171         struct sk_buff *skb;
 172         struct pkt_hdr *header;
 173         int buflen;
 174
 175         buflen = strlen(attr->attr.name) + 10;
 176
 177         skb = alloc_skb(sizeof(*header) + buflen, GFP_KERNEL);
 178         if (!skb) {
 179                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in solos_param_show()\n");
 180                 return -ENOMEM;
 181         }
 182
 183         header = (void *)skb_put(skb, sizeof(*header));
 184
 185         buflen = snprintf((void *)&header[1], buflen - 1,
 186                           "L%05d\n%s\n", current->pid, attr->attr.name);
 187         skb_put(skb, buflen);
 188
 189         header->size = cpu_to_le16(buflen);
 190         header->vpi = cpu_to_le16(0);
 191         header->vci = cpu_to_le16(0);
 192         header->type = cpu_to_le16(PKT_COMMAND);
 193
 194         prm.pid = current->pid;
 195         prm.response = NULL;
 196         prm.port = SOLOS_CHAN(atmdev);
 197
 198         spin_lock_irq(&card->param_queue_lock);
 199         list_add(&prm.list, &card->param_queue);
 200         spin_unlock_irq(&card->param_queue_lock);
 201
 202         fpga_queue(card, prm.port, skb, NULL);
 203
 204         wait_event_timeout(card->param_wq, prm.response, 5 * HZ);
 205
 206         spin_lock_irq(&card->param_queue_lock);
 207         list_del(&prm.list);
 208         spin_unlock_irq(&card->param_queue_lock);
 209
 210         if (!prm.response)
 211                 return -EIO;
 212
 213         buflen = prm.response->len;
 214         memcpy(buf, prm.response->data, buflen);
 215         kfree_skb(prm.response);
 216
 217         return buflen;
 218 }
 219
 220 static ssize_t solos_param_store(struct device *dev, struct device_attribute *attr,
 221                                  const char *buf, size_t count)
 222 {
 223         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 224         struct solos_card *card = atmdev->dev_data;
 225         struct solos_param prm;
 226         struct sk_buff *skb;
 227         struct pkt_hdr *header;
 228         int buflen;
 229         ssize_t ret;
 230
 231         buflen = strlen(attr->attr.name) + 11 + count;
 232
 233         skb = alloc_skb(sizeof(*header) + buflen, GFP_KERNEL);
 234         if (!skb) {
 235                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in solos_param_store()\n");
 236                 return -ENOMEM;
 237         }
 238
 239         header = (void *)skb_put(skb, sizeof(*header));
 240
 241         buflen = snprintf((void *)&header[1], buflen - 1,
 242                           "L%05d\n%s\n%s\n", current->pid, attr->attr.name, buf);
 243
 244         skb_put(skb, buflen);
 245         header->size = cpu_to_le16(buflen);
 246         header->vpi = cpu_to_le16(0);
 247         header->vci = cpu_to_le16(0);
 248         header->type = cpu_to_le16(PKT_COMMAND);
 249
 250         prm.pid = current->pid;
 251         prm.response = NULL;
 252         prm.port = SOLOS_CHAN(atmdev);
 253
 254         spin_lock_irq(&card->param_queue_lock);
 255         list_add(&prm.list, &card->param_queue);
 256         spin_unlock_irq(&card->param_queue_lock);
 257
 258         fpga_queue(card, prm.port, skb, NULL);
 259
 260         wait_event_timeout(card->param_wq, prm.response, 5 * HZ);
 261
 262         spin_lock_irq(&card->param_queue_lock);
 263         list_del(&prm.list);
 264         spin_unlock_irq(&card->param_queue_lock);
 265
 266         skb = prm.response;
 267
 268         if (!skb)
 269                 return -EIO;
 270
 271         buflen = skb->len;
 272
 273         /* Sometimes it has a newline, sometimes it doesn't. */
 274         if (skb->data[buflen - 1] == '\n')
 275                 buflen--;
 276
 277         if (buflen == 2 && !strncmp(skb->data, "OK", 2))
 278                 ret = count;
 279         else if (buflen == 5 && !strncmp(skb->data, "ERROR", 5))
 280                 ret = -EIO;
 281         else {
 282                 /* We know we have enough space allocated for this; we allocated
 283                    it ourselves */
 284                 skb->data[buflen] = 0;
 285
 286                 dev_warn(&card->dev->dev, "Unexpected parameter response: '%s'\n",
 287                          skb->data);
 288                 ret = -EIO;
 289         }
 290         kfree_skb(skb);
 291
 292         return ret;
 293 }
 294
 295 static char *next_string(struct sk_buff *skb)
 296 {
 297         int i = 0;
 298         char *this = skb->data;
 299
 300         for (i = 0; i < skb->len; i++) {
 301                 if (this[i] == '\n') {
 302                         this[i] = 0;
 303                         skb_pull(skb, i + 1);
 304                         return this;
 305                 }
 306                 if (!isprint(this[i]))
 307                         return NULL;
 308         }
 309         return NULL;
 310 }
 311
 312 /*
 313  * Status packet has fields separated by \n, starting with a version number
 314  * for the information therein. Fields are....
 315  *
 316  *     packet version
 317  *     RxBitRate        (version >= 1)
 318  *     TxBitRate        (version >= 1)
 319  *     State            (version >= 1)
 320  *     LocalSNRMargin   (version >= 1)
 321  *     LocalLineAttn    (version >= 1)
 322  */
 323 static int process_status(struct solos_card *card, int port, struct sk_buff *skb)
 324 {
 325         char *str, *end, *state_str, *snr, *attn;
 326         int ver, rate_up, rate_down;
 327
 328         if (!card->atmdev[port])
 329                 return -ENODEV;
 330
 331         str = next_string(skb);
 332         if (!str)
 333                 return -EIO;
 334
 335         ver = simple_strtol(str, NULL, 10);
 336         if (ver < 1) {
 337                 dev_warn(&card->dev->dev, "Unexpected status interrupt version %d\n",
 338                          ver);
 339                 return -EIO;
 340         }
 341
 342         str = next_string(skb);
 343         if (!str)
 344                 return -EIO;
 345         if (!strcmp(str, "ERROR")) {
 346                 dev_dbg(&card->dev->dev, "Status packet indicated Solos error on port %d (starting up?)\n",
 347                          port);
 348                 return 0;
 349         }
 350
 351         rate_down = simple_strtol(str, &end, 10);
 352         if (*end)
 353                 return -EIO;
 354
 355         str = next_string(skb);
 356         if (!str)
 357                 return -EIO;
 358         rate_up = simple_strtol(str, &end, 10);
 359         if (*end)
 360                 return -EIO;
 361
 362         state_str = next_string(skb);
 363         if (!state_str)
 364                 return -EIO;
 365
 366         /* Anything but 'Showtime' is down */
 367         if (strcmp(state_str, "Showtime")) {
 368                 card->atmdev[port]->signal = ATM_PHY_SIG_LOST;
 369                 release_vccs(card->atmdev[port]);
 370                 dev_info(&card->dev->dev, "Port %d: %s\n", port, state_str);
 371                 return 0;
 372         }
 373
 374         snr = next_string(skb);
 375         if (!str)
 376                 return -EIO;
 377         attn = next_string(skb);
 378         if (!attn)
 379                 return -EIO;
 380
 381         dev_info(&card->dev->dev, "Port %d: %s @%d/%d kb/s%s%s%s%s\n",
 382                  port, state_str, rate_down/1000, rate_up/1000,
 383                  snr[0]?", SNR ":"", snr, attn[0]?", Attn ":"", attn);
 384
 385         card->atmdev[port]->link_rate = rate_down / 424;
 386         card->atmdev[port]->signal = ATM_PHY_SIG_FOUND;
 387
 388         return 0;
 389 }
 390
 391 static int process_command(struct solos_card *card, int port, struct sk_buff *skb)
 392 {
 393         struct solos_param *prm;
 394         unsigned long flags;
 395         int cmdpid;
 396         int found = 0;
 397
 398         if (skb->len < 7)
 399                 return 0;
 400
 401         if (skb->data[0] != 'L'    || !isdigit(skb->data[1]) ||
 402             !isdigit(skb->data[2]) || !isdigit(skb->data[3]) ||
 403             !isdigit(skb->data[4]) || !isdigit(skb->data[5]) ||
 404             skb->data[6] != '\n')
 405                 return 0;
 406
 407         cmdpid = simple_strtol(&skb->data[1], NULL, 10);
 408
 409         spin_lock_irqsave(&card->param_queue_lock, flags);
 410         list_for_each_entry(prm, &card->param_queue, list) {
 411                 if (prm->port == port && prm->pid == cmdpid) {
 412                         prm->response = skb;
 413                         skb_pull(skb, 7);
 414                         wake_up(&card->param_wq);
 415                         found = 1;
 416                         break;
 417                 }
 418         }
 419         spin_unlock_irqrestore(&card->param_queue_lock, flags);
 420         return found;
 421 }
 422
 423 static ssize_t console_show(struct device *dev, struct device_attribute *attr,
 424                             char *buf)
 425 {
 426         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 427         struct solos_card *card = atmdev->dev_data;
 428         struct sk_buff *skb;
 429
 430         spin_lock(&card->cli_queue_lock);
 431         skb = skb_dequeue(&card->cli_queue[SOLOS_CHAN(atmdev)]);
 432         spin_unlock(&card->cli_queue_lock);
 433         if(skb == NULL)
 434                 return sprintf(buf, "No data.\n");
 435
 436         memcpy(buf, skb->data, skb->len);
 437         dev_dbg(&card->dev->dev, "len: %d\n", skb->len);
 438
 439         kfree_skb(skb);
 440         return skb->len;
 441 }
 442
 443 static int send_command(struct solos_card *card, int dev, const char *buf, size_t size)
 444 {
 445         struct sk_buff *skb;
 446         struct pkt_hdr *header;
 447
 448         if (size > (BUF_SIZE - sizeof(*header))) {
 449                 dev_dbg(&card->dev->dev, "Command is too big.  Dropping request\n");
 450                 return 0;
 451         }
 452         skb = alloc_skb(size + sizeof(*header), GFP_ATOMIC);
 453         if (!skb) {
 454                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in send_command()\n");
 455                 return 0;
 456         }
 457
 458         header = (void *)skb_put(skb, sizeof(*header));
 459
 460         header->size = cpu_to_le16(size);
 461         header->vpi = cpu_to_le16(0);
 462         header->vci = cpu_to_le16(0);
 463         header->type = cpu_to_le16(PKT_COMMAND);
 464
 465         memcpy(skb_put(skb, size), buf, size);
 466
 467         fpga_queue(card, dev, skb, NULL);
 468
 469         return 0;
 470 }
 471
 472 static ssize_t console_store(struct device *dev, struct device_attribute *attr,
 473                              const char *buf, size_t count)
 474 {
 475         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 476         struct solos_card *card = atmdev->dev_data;
 477         int err;
 478
 479         err = send_command(card, SOLOS_CHAN(atmdev), buf, count);
 480
 481         return err?:count;
 482 }
 483
 484 static DEVICE_ATTR(console, 0644, console_show, console_store);
 485
 486
 487 #define SOLOS_ATTR_RO(x) static DEVICE_ATTR(x, 0444, solos_param_show, NULL);
 488 #define SOLOS_ATTR_RW(x) static DEVICE_ATTR(x, 0644, solos_param_show, solos_param_store);
 489
 490 #include "solos-attrlist.c"
 491
 492 #undef SOLOS_ATTR_RO
 493 #undef SOLOS_ATTR_RW
 494
 495 #define SOLOS_ATTR_RO(x) &dev_attr_##x.attr,
 496 #define SOLOS_ATTR_RW(x) &dev_attr_##x.attr,
 497
 498 static struct attribute *solos_attrs[] = {
 499 #include "solos-attrlist.c"
 500         NULL
 501 };
 502
 503 static struct attribute_group solos_attr_group = {
 504         .attrs = solos_attrs,
 505         .name = "parameters",
 506 };
 507
 508 static int flash_upgrade(struct solos_card *card, int chip)
 509 {
 510         const struct firmware *fw;
 511         const char *fw_name;
 512         uint32_t data32 = 0;
 513         int blocksize = 0;
 514         int numblocks = 0;
 515         int offset;
 516
 517         if (chip == 0) {
 518                 fw_name = "solos-FPGA.bin";
 519                 blocksize = FPGA_BLOCK;
 520         } else {
 521                 fw_name = "solos-Firmware.bin";
 522                 blocksize = SOLOS_BLOCK;
 523         }
 524
 525         if (request_firmware(&fw, fw_name, &card->dev->dev))
 526                 return -ENOENT;
 527
 528         dev_info(&card->dev->dev, "Flash upgrade starting\n");
 529
 530         numblocks = fw->size / blocksize;
 531         dev_info(&card->dev->dev, "Firmware size: %zd\n", fw->size);
 532         dev_info(&card->dev->dev, "Number of blocks: %d\n", numblocks);
 533
 534         dev_info(&card->dev->dev, "Changing FPGA to Update mode\n");
 535         iowrite32(1, card->config_regs + FPGA_MODE);
 536         data32 = ioread32(card->config_regs + FPGA_MODE);
 537
 538         /* Set mode to Chip Erase */
 539         dev_info(&card->dev->dev, "Set FPGA Flash mode to %s Chip Erase\n",
 540                  chip?"Solos":"FPGA");
 541         iowrite32((chip * 2), card->config_regs + FLASH_MODE);
 542
 543
 544         iowrite32(1, card->config_regs + WRITE_FLASH);
 545         wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY));
 546
 547         for (offset = 0; offset < fw->size; offset += blocksize) {
 548                 int i;
 549
 550                 /* Clear write flag */
 551                 iowrite32(0, card->config_regs + WRITE_FLASH);
 552
 553                 /* Set mode to Block Write */
 554                 /* dev_info(&card->dev->dev, "Set FPGA Flash mode to Block Write\n"); */
 555                 iowrite32(((chip * 2) + 1), card->config_regs + FLASH_MODE);
 556
 557                 /* Copy block to buffer, swapping each 16 bits */
 558                 for(i = 0; i < blocksize; i += 4) {
 559                         uint32_t word = swahb32p((uint32_t *)(fw->data + offset + i));
 560                         iowrite32(word, RX_BUF(card, 3) + i);
 561                 }
 562
 563                 /* Specify block number and then trigger flash write */
 564                 iowrite32(offset / blocksize, card->config_regs + FLASH_BLOCK);
 565                 iowrite32(1, card->config_regs + WRITE_FLASH);
 566                 wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY));
 567         }
 568
 569         release_firmware(fw);
 570         iowrite32(0, card->config_regs + WRITE_FLASH);
 571         iowrite32(0, card->config_regs + FPGA_MODE);
 572         iowrite32(0, card->config_regs + FLASH_MODE);
 573         dev_info(&card->dev->dev, "Returning FPGA to Data mode\n");
 574         return 0;
 575 }
 576
 577 static irqreturn_t solos_irq(int irq, void *dev_id)
 578 {
 579         struct solos_card *card = dev_id;
 580         int handled = 1;
 581
 582         iowrite32(0, card->config_regs + IRQ_CLEAR);
 583
 584         /* If we're up and running, just kick the tasklet to process TX/RX */
 585         if (card->atmdev[0])
 586                 tasklet_schedule(&card->tlet);
 587         else
 588                 wake_up(&card->fw_wq);
 589
 590         return IRQ_RETVAL(handled);
 591 }
 592
 593 void solos_bh(unsigned long card_arg)
 594 {
 595         struct solos_card *card = (void *)card_arg;
 596         uint32_t card_flags;
 597         uint32_t rx_done = 0;
 598         int port;
 599
 600         /*
 601          * Since fpga_tx() is going to need to read the flags under its lock,
 602          * it can return them to us so that we don't have to hit PCI MMIO
 603          * again for the same information
 604          */
 605         card_flags = fpga_tx(card);
 606
 607         for (port = 0; port < card->nr_ports; port++) {
 608                 if (card_flags & (0x10 << port)) {
 609                         struct pkt_hdr _hdr, *header;
 610                         struct sk_buff *skb;
 611                         struct atm_vcc *vcc;
 612                         int size;
 613
 614                         if (card->using_dma) {
 615                                 skb = card->rx_skb[port];
 616                                 card->rx_skb[port] = NULL;
 617
 618                                 pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr,
 619                                                  RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
 620
 621                                 header = (void *)skb->data;
 622                                 size = le16_to_cpu(header->size);
 623                                 skb_put(skb, size + sizeof(*header));
 624                                 skb_pull(skb, sizeof(*header));
 625                         } else {
 626                                 header = &_hdr;
 627
 628                                 rx_done |= 0x10 << port;
 629
 630                                 memcpy_fromio(header, RX_BUF(card, port), sizeof(*header));
 631
 632                                 size = le16_to_cpu(header->size);
 633
 634                                 skb = alloc_skb(size + 1, GFP_ATOMIC);
 635                                 if (!skb) {
 636                                         if (net_ratelimit())
 637                                                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff for RX\n");
 638                                         continue;
 639                                 }
 640
 641                                 memcpy_fromio(skb_put(skb, size),
 642                                               RX_BUF(card, port) + sizeof(*header),
 643                                               size);
 644                         }
 645                         if (atmdebug) {
 646                                 dev_info(&card->dev->dev, "Received: device %d\n", port);
 647                                 dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n",
 648                                          size, le16_to_cpu(header->vpi),
 649                                          le16_to_cpu(header->vci));
 650                                 print_buffer(skb);
 651                         }
 652
 653                         switch (le16_to_cpu(header->type)) {
 654                         case PKT_DATA:
 655                                 vcc = find_vcc(card->atmdev[port], le16_to_cpu(header->vpi),
 656                                                le16_to_cpu(header->vci));
 657                                 if (!vcc) {
 658                                         if (net_ratelimit())
 659                                                 dev_warn(&card->dev->dev, "Received packet for unknown VCI.VPI %d.%d on port %d\n",
 660                                                          le16_to_cpu(header->vci), le16_to_cpu(header->vpi),
 661                                                          port);
 662                                         continue;
 663                                 }
 664                                 atm_charge(vcc, skb->truesize);
 665                                 vcc->push(vcc, skb);
 666                                 atomic_inc(&vcc->stats->rx);
 667                                 break;
 668
 669                         case PKT_STATUS:
 670                                 if (process_status(card, port, skb) &&
 671                                     net_ratelimit()) {
 672                                         dev_warn(&card->dev->dev, "Bad status packet of %d bytes on port %d:\n", skb->len, port);
 673                                         print_buffer(skb);
 674                                 }
 675                                 dev_kfree_skb_any(skb);
 676                                 break;
 677
 678                         case PKT_COMMAND:
 679                         default: /* FIXME: Not really, surely? */
 680                                 if (process_command(card, port, skb))
 681                                         break;
 682                                 spin_lock(&card->cli_queue_lock);
 683                                 if (skb_queue_len(&card->cli_queue[port]) > 10) {
 684                                         if (net_ratelimit())
 685                                                 dev_warn(&card->dev->dev, "Dropping console response on port %d\n",
 686                                                          port);
 687                                         dev_kfree_skb_any(skb);
 688                                 } else
 689                                         skb_queue_tail(&card->cli_queue[port], skb);
 690                                 spin_unlock(&card->cli_queue_lock);
 691                                 break;
 692                         }
 693                 }
 694                 /* Allocate RX skbs for any ports which need them */
 695                 if (card->using_dma && card->atmdev[port] &&
 696                     !card->rx_skb[port]) {
 697                         struct sk_buff *skb = alloc_skb(RX_DMA_SIZE, GFP_ATOMIC);
 698                         if (skb) {
 699                                 SKB_CB(skb)->dma_addr =
 700                                         pci_map_single(card->dev, skb->data,
 701                                                        RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
 702                                 iowrite32(SKB_CB(skb)->dma_addr,
 703                                           card->config_regs + RX_DMA_ADDR(port));
 704                                 card->rx_skb[port] = skb;
 705                         } else {
 706                                 if (net_ratelimit())
 707                                         dev_warn(&card->dev->dev, "Failed to allocate RX skb");
 708
 709                                 /* We'll have to try again later */
 710                                 tasklet_schedule(&card->tlet);
 711                         }
 712                 }
 713         }
 714         if (rx_done)
 715                 iowrite32(rx_done, card->config_regs + FLAGS_ADDR);
 716
 717         return;
 718 }
 719
 720 static struct atm_vcc *find_vcc(struct atm_dev *dev, short vpi, int vci)
 721 {
 722         struct hlist_head *head;
 723         struct atm_vcc *vcc = NULL;
 724         struct hlist_node *node;
 725         struct sock *s;
 726
 727         read_lock(&vcc_sklist_lock);
 728         head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)];
 729         sk_for_each(s, node, head) {
 730                 vcc = atm_sk(s);
 731                 if (vcc->dev == dev && vcc->vci == vci &&
 732                     vcc->vpi == vpi && vcc->qos.rxtp.traffic_class != ATM_NONE)
 733                         goto out;
 734         }
 735         vcc = NULL;
 736  out:
 737         read_unlock(&vcc_sklist_lock);
 738         return vcc;
 739 }
 740
 741 static int list_vccs(int vci)
 742 {
 743         struct hlist_head *head;
 744         struct atm_vcc *vcc;
 745         struct hlist_node *node;
 746         struct sock *s;
 747         int num_found = 0;
 748         int i;
 749
 750         read_lock(&vcc_sklist_lock);
 751         if (vci != 0){
 752                 head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)];
 753                 sk_for_each(s, node, head) {
 754                         num_found ++;
 755                         vcc = atm_sk(s);
 756                         printk(KERN_DEBUG "Device: %d Vpi: %d Vci: %d\n",
 757                                vcc->dev->number,
 758                                vcc->vpi,
 759                                vcc->vci);
 760                 }
 761         } else {
 762                 for(i = 0; i < VCC_HTABLE_SIZE; i++){
 763                         head = &vcc_hash[i];
 764                         sk_for_each(s, node, head) {
 765                                 num_found ++;
 766                                 vcc = atm_sk(s);
 767                                 printk(KERN_DEBUG "Device: %d Vpi: %d Vci: %d\n",
 768                                        vcc->dev->number,
 769                                        vcc->vpi,
 770                                        vcc->vci);
 771                         }
 772                 }
 773         }
 774         read_unlock(&vcc_sklist_lock);
 775         return num_found;
 776 }
 777
 778 static void release_vccs(struct atm_dev *dev)
 779 {
 780         int i;
 781
 782         write_lock_irq(&vcc_sklist_lock);
 783         for (i = 0; i < VCC_HTABLE_SIZE; i++) {
 784                 struct hlist_head *head = &vcc_hash[i];
 785                 struct hlist_node *node, *tmp;
 786                 struct sock *s;
 787                 struct atm_vcc *vcc;
 788
 789                 sk_for_each_safe(s, node, tmp, head) {
 790                         vcc = atm_sk(s);
 791                         if (vcc->dev == dev) {
 792                                 vcc_release_async(vcc, -EPIPE);
 793                                 sk_del_node_init(s);
 794                         }
 795                 }
 796         }
 797         write_unlock_irq(&vcc_sklist_lock);
 798 }
 799
 800
 801 static int popen(struct atm_vcc *vcc)
 802 {
 803         struct solos_card *card = vcc->dev->dev_data;
 804         struct sk_buff *skb;
 805         struct pkt_hdr *header;
 806
 807         if (vcc->qos.aal != ATM_AAL5) {
 808                 dev_warn(&card->dev->dev, "Unsupported ATM type %d\n",
 809                          vcc->qos.aal);
 810                 return -EINVAL;
 811         }
 812
 813         skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
 814         if (!skb && net_ratelimit()) {
 815                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n");
 816                 return -ENOMEM;
 817         }
 818         header = (void *)skb_put(skb, sizeof(*header));
 819
 820         header->size = cpu_to_le16(0);
 821         header->vpi = cpu_to_le16(vcc->vpi);
 822         header->vci = cpu_to_le16(vcc->vci);
 823         header->type = cpu_to_le16(PKT_POPEN);
 824
 825         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL);
 826
 827         set_bit(ATM_VF_ADDR, &vcc->flags);
 828         set_bit(ATM_VF_READY, &vcc->flags);
 829         list_vccs(0);
 830
 831
 832         return 0;
 833 }
 834
 835 static void pclose(struct atm_vcc *vcc)
 836 {
 837         struct solos_card *card = vcc->dev->dev_data;
 838         struct sk_buff *skb;
 839         struct pkt_hdr *header;
 840
 841         skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
 842         if (!skb) {
 843                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in pclose()\n");
 844                 return;
 845         }
 846         header = (void *)skb_put(skb, sizeof(*header));
 847
 848         header->size = cpu_to_le16(0);
 849         header->vpi = cpu_to_le16(vcc->vpi);
 850         header->vci = cpu_to_le16(vcc->vci);
 851         header->type = cpu_to_le16(PKT_PCLOSE);
 852
 853         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL);
 854
 855         clear_bit(ATM_VF_ADDR, &vcc->flags);
 856         clear_bit(ATM_VF_READY, &vcc->flags);
 857
 858         return;
 859 }
 860
 861 static int print_buffer(struct sk_buff *buf)
 862 {
 863         int len,i;
 864         char msg[500];
 865         char item[10];
 866
 867         len = buf->len;
 868         for (i = 0; i < len; i++){
 869                 if(i % 8 == 0)
 870                         sprintf(msg, "%02X: ", i);
 871
 872                 sprintf(item,"%02X ",*(buf->data + i));
 873                 strcat(msg, item);
 874                 if(i % 8 == 7) {
 875                         sprintf(item, "\n");
 876                         strcat(msg, item);
 877                         printk(KERN_DEBUG "%s", msg);
 878                 }
 879         }
 880         if (i % 8 != 0) {
 881                 sprintf(item, "\n");
 882                 strcat(msg, item);
 883                 printk(KERN_DEBUG "%s", msg);
 884         }
 885         printk(KERN_DEBUG "\n");
 886
 887         return 0;
 888 }
 889
 890 static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb,
 891                        struct atm_vcc *vcc)
 892 {
 893         int old_len;
 894         unsigned long flags;
 895
 896         SKB_CB(skb)->vcc = vcc;
 897
 898         spin_lock_irqsave(&card->tx_queue_lock, flags);
 899         old_len = skb_queue_len(&card->tx_queue[port]);
 900         skb_queue_tail(&card->tx_queue[port], skb);
 901         if (!old_len)
 902                 card->tx_mask |= (1 << port);
 903         spin_unlock_irqrestore(&card->tx_queue_lock, flags);
 904
 905         /* Theoretically we could just schedule the tasklet here, but
 906            that introduces latency we don't want -- it's noticeable */
 907         if (!old_len)
 908                 fpga_tx(card);
 909 }
 910
 911 static uint32_t fpga_tx(struct solos_card *card)
 912 {
 913         uint32_t tx_pending, card_flags;
 914         uint32_t tx_started = 0;
 915         struct sk_buff *skb;
 916         struct atm_vcc *vcc;
 917         unsigned char port;
 918         unsigned long flags;
 919
 920         spin_lock_irqsave(&card->tx_lock, flags);
 921
 922         card_flags = ioread32(card->config_regs + FLAGS_ADDR);
 923         /*
 924          * The queue lock is required for _writing_ to tx_mask, but we're
 925          * OK to read it here without locking. The only potential update
 926          * that we could race with is in fpga_queue() where it sets a bit
 927          * for a new port... but it's going to call this function again if
 928          * it's doing that, anyway.
 929          */
 930         tx_pending = card->tx_mask & ~card_flags;
 931
 932         for (port = 0; tx_pending; tx_pending >>= 1, port++) {
 933                 if (tx_pending & 1) {
 934                         struct sk_buff *oldskb = card->tx_skb[port];
 935                         if (oldskb)
 936                                 pci_unmap_single(card->dev, SKB_CB(oldskb)->dma_addr,
 937                                                  oldskb->len, PCI_DMA_TODEVICE);
 938
 939                         spin_lock(&card->tx_queue_lock);
 940                         skb = skb_dequeue(&card->tx_queue[port]);
 941                         if (!skb)
 942                                 card->tx_mask &= ~(1 << port);
 943                         spin_unlock(&card->tx_queue_lock);
 944
 945                         if (skb && !card->using_dma) {
 946                                 memcpy_toio(TX_BUF(card, port), skb->data, skb->len);
 947                                 tx_started |= 1 << port;
 948                                 oldskb = skb; /* We're done with this skb already */
 949                         } else if (skb && card->using_dma) {
 950                                 SKB_CB(skb)->dma_addr = pci_map_single(card->dev, skb->data,
 951                                                                        skb->len, PCI_DMA_TODEVICE);
 952                                 iowrite32(SKB_CB(skb)->dma_addr,
 953                                           card->config_regs + TX_DMA_ADDR(port));
 954                         }
 955
 956                         if (!oldskb)
 957                                 continue;
 958
 959                         /* Clean up and free oldskb now it's gone */
 960                         if (atmdebug) {
 961                                 dev_info(&card->dev->dev, "Transmitted: port %d\n",
 962                                          port);
 963                                 print_buffer(oldskb);
 964                         }
 965
 966                         vcc = SKB_CB(oldskb)->vcc;
 967
 968                         if (vcc) {
 969                                 atomic_inc(&vcc->stats->tx);
 970                                 solos_pop(vcc, oldskb);
 971                         } else
 972                                 dev_kfree_skb_irq(oldskb);
 973
 974                 }
 975         }
 976         /* For non-DMA TX, write the 'TX start' bit for all four ports simultaneously */
 977         if (tx_started)
 978                 iowrite32(tx_started, card->config_regs + FLAGS_ADDR);
 979
 980         spin_unlock_irqrestore(&card->tx_lock, flags);
 981         return card_flags;
 982 }
 983
 984 static int psend(struct atm_vcc *vcc, struct sk_buff *skb)
 985 {
 986         struct solos_card *card = vcc->dev->dev_data;
 987         struct pkt_hdr *header;
 988         int pktlen;
 989
 990         pktlen = skb->len;
 991         if (pktlen > (BUF_SIZE - sizeof(*header))) {
 992                 dev_warn(&card->dev->dev, "Length of PDU is too large. Dropping PDU.\n");
 993                 solos_pop(vcc, skb);
 994                 return 0;
 995         }
 996
 997         if (!skb_clone_writable(skb, sizeof(*header))) {
 998                 int expand_by = 0;
 999                 int ret;
1000
1001                 if (skb_headroom(skb) < sizeof(*header))
1002                         expand_by = sizeof(*header) - skb_headroom(skb);
1003
1004                 ret = pskb_expand_head(skb, expand_by, 0, GFP_ATOMIC);
1005                 if (ret) {
1006                         dev_warn(&card->dev->dev, "pskb_expand_head failed.\n");
1007                         solos_pop(vcc, skb);
1008                         return ret;
1009                 }
1010         }
1011
1012         header = (void *)skb_push(skb, sizeof(*header));
1013
1014         /* This does _not_ include the size of the header */
1015         header->size = cpu_to_le16(pktlen);
1016         header->vpi = cpu_to_le16(vcc->vpi);
1017         header->vci = cpu_to_le16(vcc->vci);
1018         header->type = cpu_to_le16(PKT_DATA);
1019
1020         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, vcc);
1021
1022         return 0;
1023 }
1024
1025 static struct atmdev_ops fpga_ops = {
1026         .open =         popen,
1027         .close =        pclose,
1028         .ioctl =        NULL,
1029         .getsockopt =   NULL,
1030         .setsockopt =   NULL,
1031         .send =         psend,
1032         .send_oam =     NULL,
1033         .phy_put =      NULL,
1034         .phy_get =      NULL,
1035         .change_qos =   NULL,
1036         .proc_read =    NULL,
1037         .owner =        THIS_MODULE
1038 };
1039
1040 static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
1041 {
1042         int err;
1043         uint16_t fpga_ver;
1044         uint8_t major_ver, minor_ver;
1045         uint32_t data32;
1046         struct solos_card *card;
1047
1048         card = kzalloc(sizeof(*card), GFP_KERNEL);
1049         if (!card)
1050                 return -ENOMEM;
1051
1052         card->dev = dev;
1053         init_waitqueue_head(&card->fw_wq);
1054         init_waitqueue_head(&card->param_wq);
1055
1056         err = pci_enable_device(dev);
1057         if (err) {
1058                 dev_warn(&dev->dev,  "Failed to enable PCI device\n");
1059                 goto out;
1060         }
1061
1062         err = pci_set_dma_mask(dev, DMA_BIT_MASK(32));
1063         if (err) {
1064                 dev_warn(&dev->dev, "Failed to set 32-bit DMA mask\n");
1065                 goto out;
1066         }
1067
1068         err = pci_request_regions(dev, "solos");
1069         if (err) {
1070                 dev_warn(&dev->dev, "Failed to request regions\n");
1071                 goto out;
1072         }
1073
1074         card->config_regs = pci_iomap(dev, 0, CONFIG_RAM_SIZE);
1075         if (!card->config_regs) {
1076                 dev_warn(&dev->dev, "Failed to ioremap config registers\n");
1077                 goto out_release_regions;
1078         }
1079         card->buffers = pci_iomap(dev, 1, DATA_RAM_SIZE);
1080         if (!card->buffers) {
1081                 dev_warn(&dev->dev, "Failed to ioremap data buffers\n");
1082                 goto out_unmap_config;
1083         }
1084
1085         if (reset) {
1086                 iowrite32(1, card->config_regs + FPGA_MODE);
1087                 data32 = ioread32(card->config_regs + FPGA_MODE);
1088
1089                 iowrite32(0, card->config_regs + FPGA_MODE);
1090                 data32 = ioread32(card->config_regs + FPGA_MODE);
1091         }
1092
1093         data32 = ioread32(card->config_regs + FPGA_VER);
1094         fpga_ver = (data32 & 0x0000FFFF);
1095         major_ver = ((data32 & 0xFF000000) >> 24);
1096         minor_ver = ((data32 & 0x00FF0000) >> 16);
1097         dev_info(&dev->dev, "Solos FPGA Version %d.%02d svn-%d\n",
1098                  major_ver, minor_ver, fpga_ver);
1099
1100         if (0 && fpga_ver > 27)
1101                 card->using_dma = 1;
1102         else {
1103                 /* Set RX empty flag for all ports */
1104                 iowrite32(0xF0, card->config_regs + FLAGS_ADDR);
1105         }
1106
1107         data32 = ioread32(card->config_regs + PORTS);
1108         card->nr_ports = (data32 & 0x000000FF);
1109
1110         pci_set_drvdata(dev, card);
1111
1112         tasklet_init(&card->tlet, solos_bh, (unsigned long)card);
1113         spin_lock_init(&card->tx_lock);
1114         spin_lock_init(&card->tx_queue_lock);
1115         spin_lock_init(&card->cli_queue_lock);
1116         spin_lock_init(&card->param_queue_lock);
1117         INIT_LIST_HEAD(&card->param_queue);
1118
1119         err = request_irq(dev->irq, solos_irq, IRQF_SHARED,
1120                           "solos-pci", card);
1121         if (err) {
1122                 dev_dbg(&card->dev->dev, "Failed to request interrupt IRQ: %d\n", dev->irq);
1123                 goto out_unmap_both;
1124         }
1125
1126         iowrite32(1, card->config_regs + IRQ_EN_ADDR);
1127
1128         if (fpga_upgrade)
1129                 flash_upgrade(card, 0);
1130
1131         if (firmware_upgrade)
1132                 flash_upgrade(card, 1);
1133
1134         err = atm_init(card);
1135         if (err)
1136                 goto out_free_irq;
1137
1138         return 0;
1139
1140  out_free_irq:
1141         iowrite32(0, card->config_regs + IRQ_EN_ADDR);
1142         free_irq(dev->irq, card);
1143         tasklet_kill(&card->tlet);
1144
1145  out_unmap_both:
1146         pci_set_drvdata(dev, NULL);
1147         pci_iounmap(dev, card->config_regs);
1148  out_unmap_config:
1149         pci_iounmap(dev, card->buffers);
1150  out_release_regions:
1151         pci_release_regions(dev);
1152  out:
1153         kfree(card);
1154         return err;
1155 }
1156
1157 static int atm_init(struct solos_card *card)
1158 {
1159         int i;
1160
1161         for (i = 0; i < card->nr_ports; i++) {
1162                 struct sk_buff *skb;
1163                 struct pkt_hdr *header;
1164
1165                 skb_queue_head_init(&card->tx_queue[i]);
1166                 skb_queue_head_init(&card->cli_queue[i]);
1167
1168                 card->atmdev[i] = atm_dev_register("solos-pci", &fpga_ops, -1, NULL);
1169                 if (!card->atmdev[i]) {
1170                         dev_err(&card->dev->dev, "Could not register ATM device %d\n", i);
1171                         atm_remove(card);
1172                         return -ENODEV;
1173                 }
1174                 if (device_create_file(&card->atmdev[i]->class_dev, &dev_attr_console))
1175                         dev_err(&card->dev->dev, "Could not register console for ATM device %d\n", i);
1176                 if (sysfs_create_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group))
1177                         dev_err(&card->dev->dev, "Could not register parameter group for ATM device %d\n", i);
1178
1179                 dev_info(&card->dev->dev, "Registered ATM device %d\n", card->atmdev[i]->number);
1180
1181                 card->atmdev[i]->ci_range.vpi_bits = 8;
1182                 card->atmdev[i]->ci_range.vci_bits = 16;
1183                 card->atmdev[i]->dev_data = card;
1184                 card->atmdev[i]->phy_data = (void *)(unsigned long)i;
1185                 card->atmdev[i]->signal = ATM_PHY_SIG_UNKNOWN;
1186
1187                 skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
1188                 if (!skb) {
1189                         dev_warn(&card->dev->dev, "Failed to allocate sk_buff in atm_init()\n");
1190                         continue;
1191                 }
1192
1193                 header = (void *)skb_put(skb, sizeof(*header));
1194
1195                 header->size = cpu_to_le16(0);
1196                 header->vpi = cpu_to_le16(0);
1197                 header->vci = cpu_to_le16(0);
1198                 header->type = cpu_to_le16(PKT_STATUS);
1199
1200                 fpga_queue(card, i, skb, NULL);
1201         }
1202         return 0;
1203 }
1204
1205 static void atm_remove(struct solos_card *card)
1206 {
1207         int i;
1208
1209         for (i = 0; i < card->nr_ports; i++) {
1210                 if (card->atmdev[i]) {
1211                         struct sk_buff *skb;
1212
1213                         dev_info(&card->dev->dev, "Unregistering ATM device %d\n", card->atmdev[i]->number);
1214
1215                         sysfs_remove_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group);
1216                         atm_dev_deregister(card->atmdev[i]);
1217
1218                         skb = card->rx_skb[i];
1219                         if (skb) {
1220                                 pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr,
1221                                                  RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
1222                                 dev_kfree_skb(skb);
1223                         }
1224                         skb = card->tx_skb[i];
1225                         if (skb) {
1226                                 pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr,
1227                                                  skb->len, PCI_DMA_TODEVICE);
1228                                 dev_kfree_skb(skb);
1229                         }
1230                         while ((skb = skb_dequeue(&card->tx_queue[i])))
1231                                 dev_kfree_skb(skb);
1232
1233                 }
1234         }
1235 }
1236
1237 static void fpga_remove(struct pci_dev *dev)
1238 {
1239         struct solos_card *card = pci_get_drvdata(dev);
1240
1241         /* Disable IRQs */
1242         iowrite32(0, card->config_regs + IRQ_EN_ADDR);
1243
1244         /* Reset FPGA */
1245         iowrite32(1, card->config_regs + FPGA_MODE);
1246         (void)ioread32(card->config_regs + FPGA_MODE);
1247
1248         atm_remove(card);
1249
1250         free_irq(dev->irq, card);
1251         tasklet_kill(&card->tlet);
1252
1253         /* Release device from reset */
1254         iowrite32(0, card->config_regs + FPGA_MODE);
1255         (void)ioread32(card->config_regs + FPGA_MODE);
1256
1257         pci_iounmap(dev, card->buffers);
1258         pci_iounmap(dev, card->config_regs);
1259
1260         pci_release_regions(dev);
1261         pci_disable_device(dev);
1262
1263         pci_set_drvdata(dev, NULL);
1264         kfree(card);
1265 }
1266
1267 static struct pci_device_id fpga_pci_tbl[] __devinitdata = {
1268         { 0x10ee, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
1269         { 0, }
1270 };
1271
1272 MODULE_DEVICE_TABLE(pci,fpga_pci_tbl);
1273
1274 static struct pci_driver fpga_driver = {
1275         .name =         "solos",
1276         .id_table =     fpga_pci_tbl,
1277         .probe =        fpga_probe,
1278         .remove =       fpga_remove,
1279 };
1280
1281
1282 static int __init solos_pci_init(void)
1283 {
1284         printk(KERN_INFO "Solos PCI Driver Version %s\n", VERSION);
1285         return pci_register_driver(&fpga_driver);
1286 }
1287
1288 static void __exit solos_pci_exit(void)
1289 {
1290         pci_unregister_driver(&fpga_driver);
1291         printk(KERN_INFO "Solos PCI Driver %s Unloaded\n", VERSION);
1292 }
1293
1294 module_init(solos_pci_init);
1295 module_exit(solos_pci_exit);