git.oblomov.eu Git - linux-2.6/blob - 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 atmdebug = 0;
  74 static int firmware_upgrade = 0;
  75 static int fpga_upgrade = 0;
  76
  77 struct pkt_hdr {
  78         __le16 size;
  79         __le16 vpi;
  80         __le16 vci;
  81         __le16 type;
  82 };
  83
  84 struct solos_skb_cb {
  85         struct atm_vcc *vcc;
  86         uint32_t dma_addr;
  87 };
  88
  89
  90 #define SKB_CB(skb)             ((struct solos_skb_cb *)skb->cb)
  91
  92 #define PKT_DATA        0
  93 #define PKT_COMMAND     1
  94 #define PKT_POPEN       3
  95 #define PKT_PCLOSE      4
  96 #define PKT_STATUS      5
  97
  98 struct solos_card {
  99         void __iomem *config_regs;
 100         void __iomem *buffers;
 101         int nr_ports;
 102         int tx_mask;
 103         struct pci_dev *dev;
 104         struct atm_dev *atmdev[4];
 105         struct tasklet_struct tlet;
 106         spinlock_t tx_lock;
 107         spinlock_t tx_queue_lock;
 108         spinlock_t cli_queue_lock;
 109         spinlock_t param_queue_lock;
 110         struct list_head param_queue;
 111         struct sk_buff_head tx_queue[4];
 112         struct sk_buff_head cli_queue[4];
 113         struct sk_buff *tx_skb[4];
 114         struct sk_buff *rx_skb[4];
 115         wait_queue_head_t param_wq;
 116         wait_queue_head_t fw_wq;
 117         int using_dma;
 118 };
 119
 120
 121 struct solos_param {
 122         struct list_head list;
 123         pid_t pid;
 124         int port;
 125         struct sk_buff *response;
 126 };
 127
 128 #define SOLOS_CHAN(atmdev) ((int)(unsigned long)(atmdev)->phy_data)
 129
 130 MODULE_AUTHOR("Traverse Technologies <support@traverse.com.au>");
 131 MODULE_DESCRIPTION("Solos PCI driver");
 132 MODULE_VERSION(VERSION);
 133 MODULE_LICENSE("GPL");
 134 MODULE_PARM_DESC(atmdebug, "Print ATM data");
 135 MODULE_PARM_DESC(firmware_upgrade, "Initiate Solos firmware upgrade");
 136 MODULE_PARM_DESC(fpga_upgrade, "Initiate FPGA upgrade");
 137 module_param(atmdebug, int, 0644);
 138 module_param(firmware_upgrade, int, 0444);
 139 module_param(fpga_upgrade, int, 0444);
 140
 141 static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb,
 142                        struct atm_vcc *vcc);
 143 static int fpga_tx(struct solos_card *);
 144 static irqreturn_t solos_irq(int irq, void *dev_id);
 145 static struct atm_vcc* find_vcc(struct atm_dev *dev, short vpi, int vci);
 146 static int list_vccs(int vci);
 147 static void release_vccs(struct atm_dev *dev);
 148 static int atm_init(struct solos_card *);
 149 static void atm_remove(struct solos_card *);
 150 static int send_command(struct solos_card *card, int dev, const char *buf, size_t size);
 151 static void solos_bh(unsigned long);
 152 static int print_buffer(struct sk_buff *buf);
 153
 154 static inline void solos_pop(struct atm_vcc *vcc, struct sk_buff *skb)
 155 {
 156         if (vcc->pop)
 157                 vcc->pop(vcc, skb);
 158         else
 159                 dev_kfree_skb_any(skb);
 160 }
 161
 162 static ssize_t solos_param_show(struct device *dev, struct device_attribute *attr,
 163                                 char *buf)
 164 {
 165         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 166         struct solos_card *card = atmdev->dev_data;
 167         struct solos_param prm;
 168         struct sk_buff *skb;
 169         struct pkt_hdr *header;
 170         int buflen;
 171
 172         buflen = strlen(attr->attr.name) + 10;
 173
 174         skb = alloc_skb(sizeof(*header) + buflen, GFP_KERNEL);
 175         if (!skb) {
 176                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in solos_param_show()\n");
 177                 return -ENOMEM;
 178         }
 179
 180         header = (void *)skb_put(skb, sizeof(*header));
 181
 182         buflen = snprintf((void *)&header[1], buflen - 1,
 183                           "L%05d\n%s\n", current->pid, attr->attr.name);
 184         skb_put(skb, buflen);
 185
 186         header->size = cpu_to_le16(buflen);
 187         header->vpi = cpu_to_le16(0);
 188         header->vci = cpu_to_le16(0);
 189         header->type = cpu_to_le16(PKT_COMMAND);
 190
 191         prm.pid = current->pid;
 192         prm.response = NULL;
 193         prm.port = SOLOS_CHAN(atmdev);
 194
 195         spin_lock_irq(&card->param_queue_lock);
 196         list_add(&prm.list, &card->param_queue);
 197         spin_unlock_irq(&card->param_queue_lock);
 198
 199         fpga_queue(card, prm.port, skb, NULL);
 200
 201         wait_event_timeout(card->param_wq, prm.response, 5 * HZ);
 202
 203         spin_lock_irq(&card->param_queue_lock);
 204         list_del(&prm.list);
 205         spin_unlock_irq(&card->param_queue_lock);
 206
 207         if (!prm.response)
 208                 return -EIO;
 209
 210         buflen = prm.response->len;
 211         memcpy(buf, prm.response->data, buflen);
 212         kfree_skb(prm.response);
 213
 214         return buflen;
 215 }
 216
 217 static ssize_t solos_param_store(struct device *dev, struct device_attribute *attr,
 218                                  const char *buf, size_t count)
 219 {
 220         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 221         struct solos_card *card = atmdev->dev_data;
 222         struct solos_param prm;
 223         struct sk_buff *skb;
 224         struct pkt_hdr *header;
 225         int buflen;
 226         ssize_t ret;
 227
 228         buflen = strlen(attr->attr.name) + 11 + count;
 229
 230         skb = alloc_skb(sizeof(*header) + buflen, GFP_KERNEL);
 231         if (!skb) {
 232                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in solos_param_store()\n");
 233                 return -ENOMEM;
 234         }
 235
 236         header = (void *)skb_put(skb, sizeof(*header));
 237
 238         buflen = snprintf((void *)&header[1], buflen - 1,
 239                           "L%05d\n%s\n%s\n", current->pid, attr->attr.name, buf);
 240
 241         skb_put(skb, buflen);
 242         header->size = cpu_to_le16(buflen);
 243         header->vpi = cpu_to_le16(0);
 244         header->vci = cpu_to_le16(0);
 245         header->type = cpu_to_le16(PKT_COMMAND);
 246
 247         prm.pid = current->pid;
 248         prm.response = NULL;
 249         prm.port = SOLOS_CHAN(atmdev);
 250
 251         spin_lock_irq(&card->param_queue_lock);
 252         list_add(&prm.list, &card->param_queue);
 253         spin_unlock_irq(&card->param_queue_lock);
 254
 255         fpga_queue(card, prm.port, skb, NULL);
 256
 257         wait_event_timeout(card->param_wq, prm.response, 5 * HZ);
 258
 259         spin_lock_irq(&card->param_queue_lock);
 260         list_del(&prm.list);
 261         spin_unlock_irq(&card->param_queue_lock);
 262
 263         skb = prm.response;
 264
 265         if (!skb)
 266                 return -EIO;
 267
 268         buflen = skb->len;
 269
 270         /* Sometimes it has a newline, sometimes it doesn't. */
 271         if (skb->data[buflen - 1] == '\n')
 272                 buflen--;
 273
 274         if (buflen == 2 && !strncmp(skb->data, "OK", 2))
 275                 ret = count;
 276         else if (buflen == 5 && !strncmp(skb->data, "ERROR", 5))
 277                 ret = -EIO;
 278         else {
 279                 /* We know we have enough space allocated for this; we allocated
 280                    it ourselves */
 281                 skb->data[buflen] = 0;
 282
 283                 dev_warn(&card->dev->dev, "Unexpected parameter response: '%s'\n",
 284                          skb->data);
 285                 ret = -EIO;
 286         }
 287         kfree_skb(skb);
 288
 289         return ret;
 290 }
 291
 292 static char *next_string(struct sk_buff *skb)
 293 {
 294         int i = 0;
 295         char *this = skb->data;
 296
 297         while (i < skb->len) {
 298                 if (this[i] == '\n') {
 299                         this[i] = 0;
 300                         skb_pull(skb, i);
 301                         return this;
 302                 }
 303         }
 304         return NULL;
 305 }
 306
 307 /*
 308  * Status packet has fields separated by \n, starting with a version number
 309  * for the information therein. Fields are....
 310  *
 311  *     packet version
 312  *     TxBitRate        (version >= 1)
 313  *     RxBitRate        (version >= 1)
 314  *     State            (version >= 1)
 315  */
 316 static int process_status(struct solos_card *card, int port, struct sk_buff *skb)
 317 {
 318         char *str, *end, *state_str;
 319         int ver, rate_up, rate_down, state, snr, attn;
 320
 321         if (!card->atmdev[port])
 322                 return -ENODEV;
 323
 324         str = next_string(skb);
 325         if (!str)
 326                 return -EIO;
 327
 328         ver = simple_strtol(str, NULL, 10);
 329         if (ver < 1) {
 330                 dev_warn(&card->dev->dev, "Unexpected status interrupt version %d\n",
 331                          ver);
 332                 return -EIO;
 333         }
 334
 335         str = next_string(skb);
 336         rate_up = simple_strtol(str, &end, 10);
 337         if (*end)
 338                 return -EIO;
 339
 340         str = next_string(skb);
 341         rate_down = simple_strtol(str, &end, 10);
 342         if (*end)
 343                 return -EIO;
 344
 345         state_str = next_string(skb);
 346         if (!strcmp(state_str, "Showtime"))
 347                 state = ATM_PHY_SIG_FOUND;
 348         else {
 349                 state = ATM_PHY_SIG_LOST;
 350                 release_vccs(card->atmdev[port]);
 351         }
 352
 353         str = next_string(skb);
 354         snr = simple_strtol(str, &end, 10);
 355         if (*end)
 356                 return -EIO;
 357
 358         str = next_string(skb);
 359         attn = simple_strtol(str, &end, 10);
 360         if (*end)
 361                 return -EIO;
 362
 363         if (state == ATM_PHY_SIG_LOST && !rate_up && !rate_down)
 364                 dev_info(&card->dev->dev, "Port %d ATM state: %s\n",
 365                          port, state_str);
 366         else
 367                 dev_info(&card->dev->dev, "Port %d ATM state: %s (%d/%d kb/s, SNR %ddB, Attn %ddB)\n",
 368                          port, state_str, rate_up/1000, rate_down/1000,
 369                          snr, attn);
 370
 371         card->atmdev[port]->link_rate = rate_down;
 372         card->atmdev[port]->signal = state;
 373
 374         return 0;
 375 }
 376
 377 static int process_command(struct solos_card *card, int port, struct sk_buff *skb)
 378 {
 379         struct solos_param *prm;
 380         unsigned long flags;
 381         int cmdpid;
 382         int found = 0;
 383
 384         if (skb->len < 7)
 385                 return 0;
 386
 387         if (skb->data[0] != 'L'    || !isdigit(skb->data[1]) ||
 388             !isdigit(skb->data[2]) || !isdigit(skb->data[3]) ||
 389             !isdigit(skb->data[4]) || !isdigit(skb->data[5]) ||
 390             skb->data[6] != '\n')
 391                 return 0;
 392
 393         cmdpid = simple_strtol(&skb->data[1], NULL, 10);
 394
 395         spin_lock_irqsave(&card->param_queue_lock, flags);
 396         list_for_each_entry(prm, &card->param_queue, list) {
 397                 if (prm->port == port && prm->pid == cmdpid) {
 398                         prm->response = skb;
 399                         skb_pull(skb, 7);
 400                         wake_up(&card->param_wq);
 401                         found = 1;
 402                         break;
 403                 }
 404         }
 405         spin_unlock_irqrestore(&card->param_queue_lock, flags);
 406         return found;
 407 }
 408
 409 static ssize_t console_show(struct device *dev, struct device_attribute *attr,
 410                             char *buf)
 411 {
 412         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 413         struct solos_card *card = atmdev->dev_data;
 414         struct sk_buff *skb;
 415
 416         spin_lock(&card->cli_queue_lock);
 417         skb = skb_dequeue(&card->cli_queue[SOLOS_CHAN(atmdev)]);
 418         spin_unlock(&card->cli_queue_lock);
 419         if(skb == NULL)
 420                 return sprintf(buf, "No data.\n");
 421
 422         memcpy(buf, skb->data, skb->len);
 423         dev_dbg(&card->dev->dev, "len: %d\n", skb->len);
 424
 425         kfree_skb(skb);
 426         return skb->len;
 427 }
 428
 429 static int send_command(struct solos_card *card, int dev, const char *buf, size_t size)
 430 {
 431         struct sk_buff *skb;
 432         struct pkt_hdr *header;
 433
 434 //      dev_dbg(&card->dev->dev, "size: %d\n", size);
 435
 436         if (size > (BUF_SIZE - sizeof(*header))) {
 437                 dev_dbg(&card->dev->dev, "Command is too big.  Dropping request\n");
 438                 return 0;
 439         }
 440         skb = alloc_skb(size + sizeof(*header), GFP_ATOMIC);
 441         if (!skb) {
 442                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in send_command()\n");
 443                 return 0;
 444         }
 445
 446         header = (void *)skb_put(skb, sizeof(*header));
 447
 448         header->size = cpu_to_le16(size);
 449         header->vpi = cpu_to_le16(0);
 450         header->vci = cpu_to_le16(0);
 451         header->type = cpu_to_le16(PKT_COMMAND);
 452
 453         memcpy(skb_put(skb, size), buf, size);
 454
 455         fpga_queue(card, dev, skb, NULL);
 456
 457         return 0;
 458 }
 459
 460 static ssize_t console_store(struct device *dev, struct device_attribute *attr,
 461                              const char *buf, size_t count)
 462 {
 463         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 464         struct solos_card *card = atmdev->dev_data;
 465         int err;
 466
 467         err = send_command(card, SOLOS_CHAN(atmdev), buf, count);
 468
 469         return err?:count;
 470 }
 471
 472 static DEVICE_ATTR(console, 0644, console_show, console_store);
 473
 474
 475 #define SOLOS_ATTR_RO(x) static DEVICE_ATTR(x, 0444, solos_param_show, NULL);
 476 #define SOLOS_ATTR_RW(x) static DEVICE_ATTR(x, 0644, solos_param_show, solos_param_store);
 477
 478 #include "solos-attrlist.c"
 479
 480 #undef SOLOS_ATTR_RO
 481 #undef SOLOS_ATTR_RW
 482
 483 #define SOLOS_ATTR_RO(x) &dev_attr_##x.attr,
 484 #define SOLOS_ATTR_RW(x) &dev_attr_##x.attr,
 485
 486 static struct attribute *solos_attrs[] = {
 487 #include "solos-attrlist.c"
 488         NULL
 489 };
 490
 491 static struct attribute_group solos_attr_group = {
 492         .attrs = solos_attrs,
 493         .name = "parameters",
 494 };
 495
 496 static int flash_upgrade(struct solos_card *card, int chip)
 497 {
 498         const struct firmware *fw;
 499         const char *fw_name;
 500         uint32_t data32 = 0;
 501         int blocksize = 0;
 502         int numblocks = 0;
 503         int offset;
 504
 505         if (chip == 0) {
 506                 fw_name = "solos-FPGA.bin";
 507                 blocksize = FPGA_BLOCK;
 508         } else {
 509                 fw_name = "solos-Firmware.bin";
 510                 blocksize = SOLOS_BLOCK;
 511         }
 512
 513         if (request_firmware(&fw, fw_name, &card->dev->dev))
 514                 return -ENOENT;
 515
 516         dev_info(&card->dev->dev, "Flash upgrade starting\n");
 517
 518         numblocks = fw->size / blocksize;
 519         dev_info(&card->dev->dev, "Firmware size: %zd\n", fw->size);
 520         dev_info(&card->dev->dev, "Number of blocks: %d\n", numblocks);
 521
 522         dev_info(&card->dev->dev, "Changing FPGA to Update mode\n");
 523         iowrite32(1, card->config_regs + FPGA_MODE);
 524         data32 = ioread32(card->config_regs + FPGA_MODE);
 525
 526         /* Set mode to Chip Erase */
 527         dev_info(&card->dev->dev, "Set FPGA Flash mode to %s Chip Erase\n",
 528                  chip?"Solos":"FPGA");
 529         iowrite32((chip * 2), card->config_regs + FLASH_MODE);
 530
 531
 532         iowrite32(1, card->config_regs + WRITE_FLASH);
 533         wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY));
 534
 535         for (offset = 0; offset < fw->size; offset += blocksize) {
 536                 int i;
 537
 538                 /* Clear write flag */
 539                 iowrite32(0, card->config_regs + WRITE_FLASH);
 540
 541                 /* Set mode to Block Write */
 542                 /* dev_info(&card->dev->dev, "Set FPGA Flash mode to Block Write\n"); */
 543                 iowrite32(((chip * 2) + 1), card->config_regs + FLASH_MODE);
 544
 545                 /* Copy block to buffer, swapping each 16 bits */
 546                 for(i = 0; i < blocksize; i += 4) {
 547                         uint32_t word = swahb32p((uint32_t *)(fw->data + offset + i));
 548                         iowrite32(word, RX_BUF(card, 3) + i);
 549                 }
 550
 551                 /* Specify block number and then trigger flash write */
 552                 iowrite32(offset / blocksize, card->config_regs + FLASH_BLOCK);
 553                 iowrite32(1, card->config_regs + WRITE_FLASH);
 554                 wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY));
 555         }
 556
 557         release_firmware(fw);
 558         iowrite32(0, card->config_regs + WRITE_FLASH);
 559         iowrite32(0, card->config_regs + FPGA_MODE);
 560         iowrite32(0, card->config_regs + FLASH_MODE);
 561         dev_info(&card->dev->dev, "Returning FPGA to Data mode\n");
 562         return 0;
 563 }
 564
 565 static irqreturn_t solos_irq(int irq, void *dev_id)
 566 {
 567         struct solos_card *card = dev_id;
 568         int handled = 1;
 569
 570         //ACK IRQ
 571         iowrite32(0, card->config_regs + IRQ_CLEAR);
 572
 573         if (card->atmdev[0])
 574                 tasklet_schedule(&card->tlet);
 575         else
 576                 wake_up(&card->fw_wq);
 577
 578         return IRQ_RETVAL(handled);
 579 }
 580
 581 void solos_bh(unsigned long card_arg)
 582 {
 583         struct solos_card *card = (void *)card_arg;
 584         int port;
 585         uint32_t card_flags;
 586         uint32_t rx_done = 0;
 587
 588         card_flags = ioread32(card->config_regs + FLAGS_ADDR);
 589
 590         /* The TX bits are set if the channel is busy; clear if not. We want to
 591            invoke fpga_tx() unless _all_ the bits for active channels are set */
 592         if ((card_flags & card->tx_mask) != card->tx_mask)
 593                 fpga_tx(card);
 594
 595         for (port = 0; port < card->nr_ports; port++) {
 596                 if (card_flags & (0x10 << port)) {
 597                         struct pkt_hdr _hdr, *header;
 598                         struct sk_buff *skb;
 599                         struct atm_vcc *vcc;
 600                         int size;
 601
 602                         if (card->using_dma) {
 603                                 skb = card->rx_skb[port];
 604                                 card->rx_skb[port] = NULL;
 605
 606                                 pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr,
 607                                                  RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
 608
 609                                 header = (void *)skb->data;
 610                                 size = le16_to_cpu(header->size);
 611                                 skb_put(skb, size + sizeof(*header));
 612                                 skb_pull(skb, sizeof(*header));
 613                         } else {
 614                                 header = &_hdr;
 615
 616                                 rx_done |= 0x10 << port;
 617
 618                                 memcpy_fromio(header, RX_BUF(card, port), sizeof(*header));
 619
 620                                 size = le16_to_cpu(header->size);
 621
 622                                 skb = alloc_skb(size + 1, GFP_ATOMIC);
 623                                 if (!skb) {
 624                                         if (net_ratelimit())
 625                                                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff for RX\n");
 626                                         continue;
 627                                 }
 628
 629                                 memcpy_fromio(skb_put(skb, size),
 630                                               RX_BUF(card, port) + sizeof(*header),
 631                                               size);
 632                         }
 633                         if (atmdebug) {
 634                                 dev_info(&card->dev->dev, "Received: device %d\n", port);
 635                                 dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n",
 636                                          size, le16_to_cpu(header->vpi),
 637                                          le16_to_cpu(header->vci));
 638                                 print_buffer(skb);
 639                         }
 640
 641                         switch (le16_to_cpu(header->type)) {
 642                         case PKT_DATA:
 643                                 vcc = find_vcc(card->atmdev[port], le16_to_cpu(header->vpi),
 644                                                le16_to_cpu(header->vci));
 645                                 if (!vcc) {
 646                                         if (net_ratelimit())
 647                                                 dev_warn(&card->dev->dev, "Received packet for unknown VCI.VPI %d.%d on port %d\n",
 648                                                          le16_to_cpu(header->vci), le16_to_cpu(header->vpi),
 649                                                          port);
 650                                         continue;
 651                                 }
 652                                 atm_charge(vcc, skb->truesize);
 653                                 vcc->push(vcc, skb);
 654                                 atomic_inc(&vcc->stats->rx);
 655                                 break;
 656
 657                         case PKT_STATUS:
 658                                 process_status(card, port, skb);
 659                                 dev_kfree_skb_any(skb);
 660                                 break;
 661
 662                         case PKT_COMMAND:
 663                         default: /* FIXME: Not really, surely? */
 664                                 if (process_command(card, port, skb))
 665                                         break;
 666                                 spin_lock(&card->cli_queue_lock);
 667                                 if (skb_queue_len(&card->cli_queue[port]) > 10) {
 668                                         if (net_ratelimit())
 669                                                 dev_warn(&card->dev->dev, "Dropping console response on port %d\n",
 670                                                          port);
 671                                         dev_kfree_skb_any(skb);
 672                                 } else
 673                                         skb_queue_tail(&card->cli_queue[port], skb);
 674                                 spin_unlock(&card->cli_queue_lock);
 675                                 break;
 676                         }
 677                 }
 678                 /* Allocate RX skbs for any ports which need them */
 679                 if (card->using_dma && card->atmdev[port] &&
 680                     !card->rx_skb[port]) {
 681                         struct sk_buff *skb = alloc_skb(RX_DMA_SIZE, GFP_ATOMIC);
 682                         if (skb) {
 683                                 SKB_CB(skb)->dma_addr =
 684                                         pci_map_single(card->dev, skb->data,
 685                                                        RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
 686                                 iowrite32(SKB_CB(skb)->dma_addr,
 687                                           card->config_regs + RX_DMA_ADDR(port));
 688                                 card->rx_skb[port] = skb;
 689                         } else {
 690                                 if (net_ratelimit())
 691                                         dev_warn(&card->dev->dev, "Failed to allocate RX skb");
 692
 693                                 /* We'll have to try again later */
 694                                 tasklet_schedule(&card->tlet);
 695                         }
 696                 }
 697         }
 698         if (rx_done)
 699                 iowrite32(rx_done, card->config_regs + FLAGS_ADDR);
 700
 701         return;
 702 }
 703
 704 static struct atm_vcc *find_vcc(struct atm_dev *dev, short vpi, int vci)
 705 {
 706         struct hlist_head *head;
 707         struct atm_vcc *vcc = NULL;
 708         struct hlist_node *node;
 709         struct sock *s;
 710
 711         read_lock(&vcc_sklist_lock);
 712         head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)];
 713         sk_for_each(s, node, head) {
 714                 vcc = atm_sk(s);
 715                 if (vcc->dev == dev && vcc->vci == vci &&
 716                     vcc->vpi == vpi && vcc->qos.rxtp.traffic_class != ATM_NONE)
 717                         goto out;
 718         }
 719         vcc = NULL;
 720  out:
 721         read_unlock(&vcc_sklist_lock);
 722         return vcc;
 723 }
 724
 725 static int list_vccs(int vci)
 726 {
 727         struct hlist_head *head;
 728         struct atm_vcc *vcc;
 729         struct hlist_node *node;
 730         struct sock *s;
 731         int num_found = 0;
 732         int i;
 733
 734         read_lock(&vcc_sklist_lock);
 735         if (vci != 0){
 736                 head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)];
 737                 sk_for_each(s, node, head) {
 738                         num_found ++;
 739                         vcc = atm_sk(s);
 740                         printk(KERN_DEBUG "Device: %d Vpi: %d Vci: %d\n",
 741                                vcc->dev->number,
 742                                vcc->vpi,
 743                                vcc->vci);
 744                 }
 745         } else {
 746                 for(i = 0; i < VCC_HTABLE_SIZE; i++){
 747                         head = &vcc_hash[i];
 748                         sk_for_each(s, node, head) {
 749                                 num_found ++;
 750                                 vcc = atm_sk(s);
 751                                 printk(KERN_DEBUG "Device: %d Vpi: %d Vci: %d\n",
 752                                        vcc->dev->number,
 753                                        vcc->vpi,
 754                                        vcc->vci);
 755                         }
 756                 }
 757         }
 758         read_unlock(&vcc_sklist_lock);
 759         return num_found;
 760 }
 761
 762 static void release_vccs(struct atm_dev *dev)
 763 {
 764         int i;
 765
 766         write_lock_irq(&vcc_sklist_lock);
 767         for (i = 0; i < VCC_HTABLE_SIZE; i++) {
 768                 struct hlist_head *head = &vcc_hash[i];
 769                 struct hlist_node *node, *tmp;
 770                 struct sock *s;
 771                 struct atm_vcc *vcc;
 772
 773                 sk_for_each_safe(s, node, tmp, head) {
 774                         vcc = atm_sk(s);
 775                         if (vcc->dev == dev) {
 776                                 vcc_release_async(vcc, -EPIPE);
 777                                 sk_del_node_init(s);
 778                         }
 779                 }
 780         }
 781         write_unlock_irq(&vcc_sklist_lock);
 782 }
 783
 784
 785 static int popen(struct atm_vcc *vcc)
 786 {
 787         struct solos_card *card = vcc->dev->dev_data;
 788         struct sk_buff *skb;
 789         struct pkt_hdr *header;
 790
 791         if (vcc->qos.aal != ATM_AAL5) {
 792                 dev_warn(&card->dev->dev, "Unsupported ATM type %d\n",
 793                          vcc->qos.aal);
 794                 return -EINVAL;
 795         }
 796
 797         skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
 798         if (!skb && net_ratelimit()) {
 799                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n");
 800                 return -ENOMEM;
 801         }
 802         header = (void *)skb_put(skb, sizeof(*header));
 803
 804         header->size = cpu_to_le16(0);
 805         header->vpi = cpu_to_le16(vcc->vpi);
 806         header->vci = cpu_to_le16(vcc->vci);
 807         header->type = cpu_to_le16(PKT_POPEN);
 808
 809         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL);
 810
 811 //      dev_dbg(&card->dev->dev, "Open for vpi %d and vci %d on interface %d\n", vcc->vpi, vcc->vci, SOLOS_CHAN(vcc->dev));
 812         set_bit(ATM_VF_ADDR, &vcc->flags); // accept the vpi / vci
 813         set_bit(ATM_VF_READY, &vcc->flags);
 814         list_vccs(0);
 815
 816
 817         return 0;
 818 }
 819
 820 static void pclose(struct atm_vcc *vcc)
 821 {
 822         struct solos_card *card = vcc->dev->dev_data;
 823         struct sk_buff *skb;
 824         struct pkt_hdr *header;
 825
 826         skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
 827         if (!skb) {
 828                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in pclose()\n");
 829                 return;
 830         }
 831         header = (void *)skb_put(skb, sizeof(*header));
 832
 833         header->size = cpu_to_le16(0);
 834         header->vpi = cpu_to_le16(vcc->vpi);
 835         header->vci = cpu_to_le16(vcc->vci);
 836         header->type = cpu_to_le16(PKT_PCLOSE);
 837
 838         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL);
 839
 840 //      dev_dbg(&card->dev->dev, "Close for vpi %d and vci %d on interface %d\n", vcc->vpi, vcc->vci, SOLOS_CHAN(vcc->dev));
 841
 842         clear_bit(ATM_VF_ADDR, &vcc->flags);
 843         clear_bit(ATM_VF_READY, &vcc->flags);
 844
 845         return;
 846 }
 847
 848 static int print_buffer(struct sk_buff *buf)
 849 {
 850         int len,i;
 851         char msg[500];
 852         char item[10];
 853
 854         len = buf->len;
 855         for (i = 0; i < len; i++){
 856                 if(i % 8 == 0)
 857                         sprintf(msg, "%02X: ", i);
 858
 859                 sprintf(item,"%02X ",*(buf->data + i));
 860                 strcat(msg, item);
 861                 if(i % 8 == 7) {
 862                         sprintf(item, "\n");
 863                         strcat(msg, item);
 864                         printk(KERN_DEBUG "%s", msg);
 865                 }
 866         }
 867         if (i % 8 != 0) {
 868                 sprintf(item, "\n");
 869                 strcat(msg, item);
 870                 printk(KERN_DEBUG "%s", msg);
 871         }
 872         printk(KERN_DEBUG "\n");
 873
 874         return 0;
 875 }
 876
 877 static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb,
 878                        struct atm_vcc *vcc)
 879 {
 880         int old_len;
 881         unsigned long flags;
 882
 883         SKB_CB(skb)->vcc = vcc;
 884
 885         spin_lock_irqsave(&card->tx_queue_lock, flags);
 886         old_len = skb_queue_len(&card->tx_queue[port]);
 887         skb_queue_tail(&card->tx_queue[port], skb);
 888         if (!old_len) {
 889                 card->tx_mask |= (1 << port);
 890         }
 891         spin_unlock_irqrestore(&card->tx_queue_lock, flags);
 892
 893         /* Theoretically we could just schedule the tasklet here, but
 894            that introduces latency we don't want -- it's noticeable */
 895         if (!old_len)
 896                 fpga_tx(card);
 897 }
 898
 899 static int fpga_tx(struct solos_card *card)
 900 {
 901         uint32_t tx_pending;
 902         uint32_t tx_started = 0;
 903         struct sk_buff *skb;
 904         struct atm_vcc *vcc;
 905         unsigned char port;
 906         unsigned long flags;
 907
 908         spin_lock_irqsave(&card->tx_lock, flags);
 909
 910         tx_pending = ioread32(card->config_regs + FLAGS_ADDR) & card->tx_mask;
 911
 912         dev_vdbg(&card->dev->dev, "TX Flags are %X\n", tx_pending);
 913
 914         for (port = 0; port < card->nr_ports; port++) {
 915                 if (card->atmdev[port] && !(tx_pending & (1 << port))) {
 916                         struct sk_buff *oldskb = card->tx_skb[port];
 917
 918                         if (oldskb)
 919                                 pci_unmap_single(card->dev, SKB_CB(oldskb)->dma_addr,
 920                                                  oldskb->len, PCI_DMA_TODEVICE);
 921
 922                         spin_lock(&card->tx_queue_lock);
 923                         skb = skb_dequeue(&card->tx_queue[port]);
 924                         if (!skb)
 925                                 card->tx_mask &= ~(1 << port);
 926                         spin_unlock(&card->tx_queue_lock);
 927
 928                         if (skb && !card->using_dma) {
 929                                 memcpy_toio(TX_BUF(card, port), skb->data, skb->len);
 930                                 tx_started |= 1 << port; //Set TX full flag
 931                                 oldskb = skb; /* We're done with this skb already */
 932                         } else if (skb && card->using_dma) {
 933                                 SKB_CB(skb)->dma_addr = pci_map_single(card->dev, skb->data,
 934                                                                        skb->len, PCI_DMA_TODEVICE);
 935                                 iowrite32(SKB_CB(skb)->dma_addr,
 936                                           card->config_regs + TX_DMA_ADDR(port));
 937                         }
 938
 939                         if (!oldskb)
 940                                 continue;
 941
 942                         /* Clean up and free oldskb now it's gone */
 943                         if (atmdebug) {
 944                                 dev_info(&card->dev->dev, "Transmitted: port %d\n",
 945                                          port);
 946                                 print_buffer(oldskb);
 947                         }
 948
 949                         vcc = SKB_CB(oldskb)->vcc;
 950
 951                         if (vcc) {
 952                                 atomic_inc(&vcc->stats->tx);
 953                                 solos_pop(vcc, oldskb);
 954                         } else
 955                                 dev_kfree_skb_irq(oldskb);
 956
 957                 }
 958         }
 959         if (tx_started)
 960                 iowrite32(tx_started, card->config_regs + FLAGS_ADDR);
 961
 962         spin_unlock_irqrestore(&card->tx_lock, flags);
 963         return 0;
 964 }
 965
 966 static int psend(struct atm_vcc *vcc, struct sk_buff *skb)
 967 {
 968         struct solos_card *card = vcc->dev->dev_data;
 969         struct pkt_hdr *header;
 970         int pktlen;
 971
 972         //dev_dbg(&card->dev->dev, "psend called.\n");
 973         //dev_dbg(&card->dev->dev, "dev,vpi,vci = %d,%d,%d\n",SOLOS_CHAN(vcc->dev),vcc->vpi,vcc->vci);
 974
 975         pktlen = skb->len;
 976         if (pktlen > (BUF_SIZE - sizeof(*header))) {
 977                 dev_warn(&card->dev->dev, "Length of PDU is too large. Dropping PDU.\n");
 978                 solos_pop(vcc, skb);
 979                 return 0;
 980         }
 981
 982         if (!skb_clone_writable(skb, sizeof(*header))) {
 983                 int expand_by = 0;
 984                 int ret;
 985
 986                 if (skb_headroom(skb) < sizeof(*header))
 987                         expand_by = sizeof(*header) - skb_headroom(skb);
 988
 989                 ret = pskb_expand_head(skb, expand_by, 0, GFP_ATOMIC);
 990                 if (ret) {
 991                         dev_warn(&card->dev->dev, "pskb_expand_head failed.\n");
 992                         solos_pop(vcc, skb);
 993                         return ret;
 994                 }
 995         }
 996
 997         header = (void *)skb_push(skb, sizeof(*header));
 998
 999         /* This does _not_ include the size of the header */
1000         header->size = cpu_to_le16(pktlen);
1001         header->vpi = cpu_to_le16(vcc->vpi);
1002         header->vci = cpu_to_le16(vcc->vci);
1003         header->type = cpu_to_le16(PKT_DATA);
1004
1005         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, vcc);
1006
1007         return 0;
1008 }
1009
1010 static struct atmdev_ops fpga_ops = {
1011         .open =         popen,
1012         .close =        pclose,
1013         .ioctl =        NULL,
1014         .getsockopt =   NULL,
1015         .setsockopt =   NULL,
1016         .send =         psend,
1017         .send_oam =     NULL,
1018         .phy_put =      NULL,
1019         .phy_get =      NULL,
1020         .change_qos =   NULL,
1021         .proc_read =    NULL,
1022         .owner =        THIS_MODULE
1023 };
1024
1025 static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
1026 {
1027         int err, i;
1028         uint16_t fpga_ver;
1029         uint8_t major_ver, minor_ver;
1030         uint32_t data32;
1031         struct solos_card *card;
1032
1033         card = kzalloc(sizeof(*card), GFP_KERNEL);
1034         if (!card)
1035                 return -ENOMEM;
1036
1037         card->dev = dev;
1038         init_waitqueue_head(&card->fw_wq);
1039         init_waitqueue_head(&card->param_wq);
1040
1041         err = pci_enable_device(dev);
1042         if (err) {
1043                 dev_warn(&dev->dev,  "Failed to enable PCI device\n");
1044                 goto out;
1045         }
1046
1047         err = pci_set_dma_mask(dev, DMA_32BIT_MASK);
1048         if (err) {
1049                 dev_warn(&dev->dev, "Failed to set 32-bit DMA mask\n");
1050                 goto out;
1051         }
1052
1053         err = pci_request_regions(dev, "solos");
1054         if (err) {
1055                 dev_warn(&dev->dev, "Failed to request regions\n");
1056                 goto out;
1057         }
1058
1059         card->config_regs = pci_iomap(dev, 0, CONFIG_RAM_SIZE);
1060         if (!card->config_regs) {
1061                 dev_warn(&dev->dev, "Failed to ioremap config registers\n");
1062                 goto out_release_regions;
1063         }
1064         card->buffers = pci_iomap(dev, 1, DATA_RAM_SIZE);
1065         if (!card->buffers) {
1066                 dev_warn(&dev->dev, "Failed to ioremap data buffers\n");
1067                 goto out_unmap_config;
1068         }
1069
1070 //      for(i=0;i<64 ;i+=4){
1071 //              data32=ioread32(card->buffers + i);
1072 //              dev_dbg(&card->dev->dev, "%08lX\n",(unsigned long)data32);
1073 //      }
1074
1075         //Fill Config Mem with zeros
1076         for(i = 0; i < 128; i += 4)
1077                 iowrite32(0, card->config_regs + i);
1078
1079         //Set RX empty flags
1080         iowrite32(0xF0, card->config_regs + FLAGS_ADDR);
1081
1082         data32 = ioread32(card->config_regs + FPGA_VER);
1083         fpga_ver = (data32 & 0x0000FFFF);
1084         major_ver = ((data32 & 0xFF000000) >> 24);
1085         minor_ver = ((data32 & 0x00FF0000) >> 16);
1086         dev_info(&dev->dev, "Solos FPGA Version %d.%02d svn-%d\n",
1087                  major_ver, minor_ver, fpga_ver);
1088
1089         if (fpga_ver > 27)
1090                 card->using_dma = 1;
1091
1092         card->nr_ports = 2; /* FIXME: Detect daughterboard */
1093
1094         pci_set_drvdata(dev, card);
1095
1096         tasklet_init(&card->tlet, solos_bh, (unsigned long)card);
1097         spin_lock_init(&card->tx_lock);
1098         spin_lock_init(&card->tx_queue_lock);
1099         spin_lock_init(&card->cli_queue_lock);
1100         spin_lock_init(&card->param_queue_lock);
1101         INIT_LIST_HEAD(&card->param_queue);
1102
1103 /*
1104         // Set Loopback mode
1105         data32 = 0x00010000;
1106         iowrite32(data32,card->config_regs + FLAGS_ADDR);
1107 */
1108 /*
1109         // Fill Buffers with zeros
1110         for (i = 0; i < BUF_SIZE * 8; i += 4)
1111                 iowrite32(0, card->buffers + i);
1112 */
1113 /*
1114         for(i = 0; i < (BUF_SIZE * 1); i += 4)
1115                 iowrite32(0x12345678, card->buffers + i + (0*BUF_SIZE));
1116         for(i = 0; i < (BUF_SIZE * 1); i += 4)
1117                 iowrite32(0xabcdef98, card->buffers + i + (1*BUF_SIZE));
1118
1119         // Read Config Memory
1120         printk(KERN_DEBUG "Reading Config MEM\n");
1121         i = 0;
1122         for(i = 0; i < 16; i++) {
1123                 data32=ioread32(card->buffers + i*(BUF_SIZE/2));
1124                 printk(KERN_ALERT "Addr: %lX Data: %08lX\n",
1125                        (unsigned long)(addr_start + i*(BUF_SIZE/2)),
1126                        (unsigned long)data32);
1127         }
1128 */
1129         //dev_dbg(&card->dev->dev, "Requesting IRQ: %d\n",dev->irq);
1130         err = request_irq(dev->irq, solos_irq, IRQF_SHARED,
1131                           "solos-pci", card);
1132         if (err) {
1133                 dev_dbg(&card->dev->dev, "Failed to request interrupt IRQ: %d\n", dev->irq);
1134                 goto out_unmap_both;
1135         }
1136
1137         // Enable IRQs
1138         iowrite32(1, card->config_regs + IRQ_EN_ADDR);
1139
1140         if (fpga_upgrade)
1141                 flash_upgrade(card, 0);
1142
1143         if (firmware_upgrade)
1144                 flash_upgrade(card, 1);
1145
1146         err = atm_init(card);
1147         if (err)
1148                 goto out_free_irq;
1149
1150         return 0;
1151
1152  out_free_irq:
1153         iowrite32(0, card->config_regs + IRQ_EN_ADDR);
1154         free_irq(dev->irq, card);
1155         tasklet_kill(&card->tlet);
1156
1157  out_unmap_both:
1158         pci_set_drvdata(dev, NULL);
1159         pci_iounmap(dev, card->config_regs);
1160  out_unmap_config:
1161         pci_iounmap(dev, card->buffers);
1162  out_release_regions:
1163         pci_release_regions(dev);
1164  out:
1165         return err;
1166 }
1167
1168 static int atm_init(struct solos_card *card)
1169 {
1170         int i;
1171
1172         for (i = 0; i < card->nr_ports; i++) {
1173                 struct sk_buff *skb;
1174                 struct pkt_hdr *header;
1175
1176                 skb_queue_head_init(&card->tx_queue[i]);
1177                 skb_queue_head_init(&card->cli_queue[i]);
1178
1179                 card->atmdev[i] = atm_dev_register("solos-pci", &fpga_ops, -1, NULL);
1180                 if (!card->atmdev[i]) {
1181                         dev_err(&card->dev->dev, "Could not register ATM device %d\n", i);
1182                         atm_remove(card);
1183                         return -ENODEV;
1184                 }
1185                 if (device_create_file(&card->atmdev[i]->class_dev, &dev_attr_console))
1186                         dev_err(&card->dev->dev, "Could not register console for ATM device %d\n", i);
1187                 if (sysfs_create_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group))
1188                         dev_err(&card->dev->dev, "Could not register parameter group for ATM device %d\n", i);
1189
1190                 dev_info(&card->dev->dev, "Registered ATM device %d\n", card->atmdev[i]->number);
1191
1192                 card->atmdev[i]->ci_range.vpi_bits = 8;
1193                 card->atmdev[i]->ci_range.vci_bits = 16;
1194                 card->atmdev[i]->dev_data = card;
1195                 card->atmdev[i]->phy_data = (void *)(unsigned long)i;
1196                 card->atmdev[i]->signal = ATM_PHY_SIG_UNKNOWN;
1197
1198                 skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
1199                 if (!skb) {
1200                         dev_warn(&card->dev->dev, "Failed to allocate sk_buff in atm_init()\n");
1201                         continue;
1202                 }
1203
1204                 header = (void *)skb_put(skb, sizeof(*header));
1205
1206                 header->size = cpu_to_le16(0);
1207                 header->vpi = cpu_to_le16(0);
1208                 header->vci = cpu_to_le16(0);
1209                 header->type = cpu_to_le16(PKT_STATUS);
1210
1211                 fpga_queue(card, i, skb, NULL);
1212         }
1213         return 0;
1214 }
1215
1216 static void atm_remove(struct solos_card *card)
1217 {
1218         int i;
1219
1220         for (i = 0; i < card->nr_ports; i++) {
1221                 if (card->atmdev[i]) {
1222                         dev_info(&card->dev->dev, "Unregistering ATM device %d\n", card->atmdev[i]->number);
1223
1224                         sysfs_remove_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group);
1225                         atm_dev_deregister(card->atmdev[i]);
1226                 }
1227         }
1228 }
1229
1230 static void fpga_remove(struct pci_dev *dev)
1231 {
1232         struct solos_card *card = pci_get_drvdata(dev);
1233
1234         atm_remove(card);
1235
1236         dev_vdbg(&dev->dev, "Freeing IRQ\n");
1237         // Disable IRQs from FPGA
1238         iowrite32(0, card->config_regs + IRQ_EN_ADDR);
1239         free_irq(dev->irq, card);
1240         tasklet_kill(&card->tlet);
1241
1242         //      iowrite32(0x01,pciregs);
1243         dev_vdbg(&dev->dev, "Unmapping PCI resource\n");
1244         pci_iounmap(dev, card->buffers);
1245         pci_iounmap(dev, card->config_regs);
1246
1247         dev_vdbg(&dev->dev, "Releasing PCI Region\n");
1248         pci_release_regions(dev);
1249         pci_disable_device(dev);
1250
1251         pci_set_drvdata(dev, NULL);
1252         kfree(card);
1253 //      dev_dbg(&card->dev->dev, "fpga_remove\n");
1254         return;
1255 }
1256
1257 static struct pci_device_id fpga_pci_tbl[] __devinitdata = {
1258         { 0x10ee, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
1259         { 0, }
1260 };
1261
1262 MODULE_DEVICE_TABLE(pci,fpga_pci_tbl);
1263
1264 static struct pci_driver fpga_driver = {
1265         .name =         "solos",
1266         .id_table =     fpga_pci_tbl,
1267         .probe =        fpga_probe,
1268         .remove =       fpga_remove,
1269 };
1270
1271
1272 static int __init solos_pci_init(void)
1273 {
1274         printk(KERN_INFO "Solos PCI Driver Version %s\n", VERSION);
1275         return pci_register_driver(&fpga_driver);
1276 }
1277
1278 static void __exit solos_pci_exit(void)
1279 {
1280         pci_unregister_driver(&fpga_driver);
1281         printk(KERN_INFO "Solos PCI Driver %s Unloaded\n", VERSION);
1282 }
1283
1284 module_init(solos_pci_init);
1285 module_exit(solos_pci_exit);