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         for (i = 0; i < skb->len; i++) {
 298                 if (this[i] == '\n') {
 299                         this[i] = 0;
 300                         skb_pull(skb, i + 1);
 301                         return this;
 302                 }
 303                 if (!isprint(this[i]))
 304                         return NULL;
 305         }
 306         return NULL;
 307 }
 308
 309 /*
 310  * Status packet has fields separated by \n, starting with a version number
 311  * for the information therein. Fields are....
 312  *
 313  *     packet version
 314  *     TxBitRate        (version >= 1)
 315  *     RxBitRate        (version >= 1)
 316  *     State            (version >= 1)
 317  */
 318 static int process_status(struct solos_card *card, int port, struct sk_buff *skb)
 319 {
 320         char *str, *end, *state_str;
 321         int ver, rate_up, rate_down, state;
 322
 323         if (!card->atmdev[port])
 324                 return -ENODEV;
 325
 326         str = next_string(skb);
 327         if (!str)
 328                 return -EIO;
 329
 330         ver = simple_strtol(str, NULL, 10);
 331         if (ver < 1) {
 332                 dev_warn(&card->dev->dev, "Unexpected status interrupt version %d\n",
 333                          ver);
 334                 return -EIO;
 335         }
 336
 337         str = next_string(skb);
 338         if (!str)
 339                 return -EIO;
 340         rate_up = simple_strtol(str, &end, 10);
 341         if (*end)
 342                 return -EIO;
 343
 344         str = next_string(skb);
 345         if (!str)
 346                 return -EIO;
 347         rate_down = simple_strtol(str, &end, 10);
 348         if (*end)
 349                 return -EIO;
 350
 351         state_str = next_string(skb);
 352         if (!state_str)
 353                 return -EIO;
 354         if (!strcmp(state_str, "Showtime"))
 355                 state = ATM_PHY_SIG_FOUND;
 356         else {
 357                 state = ATM_PHY_SIG_LOST;
 358                 release_vccs(card->atmdev[port]);
 359         }
 360
 361         if (state == ATM_PHY_SIG_LOST) {
 362                 dev_info(&card->dev->dev, "Port %d ATM state: %s\n",
 363                          port, state_str);
 364         } else {
 365                 char *snr, *attn;
 366
 367                 snr = next_string(skb);
 368                 if (!str)
 369                         return -EIO;
 370                 attn = next_string(skb);
 371                 if (!attn)
 372                         return -EIO;
 373
 374                 dev_info(&card->dev->dev, "Port %d: %s (%d/%d kb/s%s%s%s%s)\n",
 375                          port, state_str, rate_down/1000, rate_up/1000,
 376                          snr[0]?", SNR ":"", snr, attn[0]?", Attn ":"", attn);
 377         }
 378         card->atmdev[port]->link_rate = rate_down / 424;
 379         card->atmdev[port]->signal = state;
 380
 381         return 0;
 382 }
 383
 384 static int process_command(struct solos_card *card, int port, struct sk_buff *skb)
 385 {
 386         struct solos_param *prm;
 387         unsigned long flags;
 388         int cmdpid;
 389         int found = 0;
 390
 391         if (skb->len < 7)
 392                 return 0;
 393
 394         if (skb->data[0] != 'L'    || !isdigit(skb->data[1]) ||
 395             !isdigit(skb->data[2]) || !isdigit(skb->data[3]) ||
 396             !isdigit(skb->data[4]) || !isdigit(skb->data[5]) ||
 397             skb->data[6] != '\n')
 398                 return 0;
 399
 400         cmdpid = simple_strtol(&skb->data[1], NULL, 10);
 401
 402         spin_lock_irqsave(&card->param_queue_lock, flags);
 403         list_for_each_entry(prm, &card->param_queue, list) {
 404                 if (prm->port == port && prm->pid == cmdpid) {
 405                         prm->response = skb;
 406                         skb_pull(skb, 7);
 407                         wake_up(&card->param_wq);
 408                         found = 1;
 409                         break;
 410                 }
 411         }
 412         spin_unlock_irqrestore(&card->param_queue_lock, flags);
 413         return found;
 414 }
 415
 416 static ssize_t console_show(struct device *dev, struct device_attribute *attr,
 417                             char *buf)
 418 {
 419         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 420         struct solos_card *card = atmdev->dev_data;
 421         struct sk_buff *skb;
 422
 423         spin_lock(&card->cli_queue_lock);
 424         skb = skb_dequeue(&card->cli_queue[SOLOS_CHAN(atmdev)]);
 425         spin_unlock(&card->cli_queue_lock);
 426         if(skb == NULL)
 427                 return sprintf(buf, "No data.\n");
 428
 429         memcpy(buf, skb->data, skb->len);
 430         dev_dbg(&card->dev->dev, "len: %d\n", skb->len);
 431
 432         kfree_skb(skb);
 433         return skb->len;
 434 }
 435
 436 static int send_command(struct solos_card *card, int dev, const char *buf, size_t size)
 437 {
 438         struct sk_buff *skb;
 439         struct pkt_hdr *header;
 440
 441 //      dev_dbg(&card->dev->dev, "size: %d\n", size);
 442
 443         if (size > (BUF_SIZE - sizeof(*header))) {
 444                 dev_dbg(&card->dev->dev, "Command is too big.  Dropping request\n");
 445                 return 0;
 446         }
 447         skb = alloc_skb(size + sizeof(*header), GFP_ATOMIC);
 448         if (!skb) {
 449                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in send_command()\n");
 450                 return 0;
 451         }
 452
 453         header = (void *)skb_put(skb, sizeof(*header));
 454
 455         header->size = cpu_to_le16(size);
 456         header->vpi = cpu_to_le16(0);
 457         header->vci = cpu_to_le16(0);
 458         header->type = cpu_to_le16(PKT_COMMAND);
 459
 460         memcpy(skb_put(skb, size), buf, size);
 461
 462         fpga_queue(card, dev, skb, NULL);
 463
 464         return 0;
 465 }
 466
 467 static ssize_t console_store(struct device *dev, struct device_attribute *attr,
 468                              const char *buf, size_t count)
 469 {
 470         struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
 471         struct solos_card *card = atmdev->dev_data;
 472         int err;
 473
 474         err = send_command(card, SOLOS_CHAN(atmdev), buf, count);
 475
 476         return err?:count;
 477 }
 478
 479 static DEVICE_ATTR(console, 0644, console_show, console_store);
 480
 481
 482 #define SOLOS_ATTR_RO(x) static DEVICE_ATTR(x, 0444, solos_param_show, NULL);
 483 #define SOLOS_ATTR_RW(x) static DEVICE_ATTR(x, 0644, solos_param_show, solos_param_store);
 484
 485 #include "solos-attrlist.c"
 486
 487 #undef SOLOS_ATTR_RO
 488 #undef SOLOS_ATTR_RW
 489
 490 #define SOLOS_ATTR_RO(x) &dev_attr_##x.attr,
 491 #define SOLOS_ATTR_RW(x) &dev_attr_##x.attr,
 492
 493 static struct attribute *solos_attrs[] = {
 494 #include "solos-attrlist.c"
 495         NULL
 496 };
 497
 498 static struct attribute_group solos_attr_group = {
 499         .attrs = solos_attrs,
 500         .name = "parameters",
 501 };
 502
 503 static int flash_upgrade(struct solos_card *card, int chip)
 504 {
 505         const struct firmware *fw;
 506         const char *fw_name;
 507         uint32_t data32 = 0;
 508         int blocksize = 0;
 509         int numblocks = 0;
 510         int offset;
 511
 512         if (chip == 0) {
 513                 fw_name = "solos-FPGA.bin";
 514                 blocksize = FPGA_BLOCK;
 515         } else {
 516                 fw_name = "solos-Firmware.bin";
 517                 blocksize = SOLOS_BLOCK;
 518         }
 519
 520         if (request_firmware(&fw, fw_name, &card->dev->dev))
 521                 return -ENOENT;
 522
 523         dev_info(&card->dev->dev, "Flash upgrade starting\n");
 524
 525         numblocks = fw->size / blocksize;
 526         dev_info(&card->dev->dev, "Firmware size: %zd\n", fw->size);
 527         dev_info(&card->dev->dev, "Number of blocks: %d\n", numblocks);
 528
 529         dev_info(&card->dev->dev, "Changing FPGA to Update mode\n");
 530         iowrite32(1, card->config_regs + FPGA_MODE);
 531         data32 = ioread32(card->config_regs + FPGA_MODE);
 532
 533         /* Set mode to Chip Erase */
 534         dev_info(&card->dev->dev, "Set FPGA Flash mode to %s Chip Erase\n",
 535                  chip?"Solos":"FPGA");
 536         iowrite32((chip * 2), card->config_regs + FLASH_MODE);
 537
 538
 539         iowrite32(1, card->config_regs + WRITE_FLASH);
 540         wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY));
 541
 542         for (offset = 0; offset < fw->size; offset += blocksize) {
 543                 int i;
 544
 545                 /* Clear write flag */
 546                 iowrite32(0, card->config_regs + WRITE_FLASH);
 547
 548                 /* Set mode to Block Write */
 549                 /* dev_info(&card->dev->dev, "Set FPGA Flash mode to Block Write\n"); */
 550                 iowrite32(((chip * 2) + 1), card->config_regs + FLASH_MODE);
 551
 552                 /* Copy block to buffer, swapping each 16 bits */
 553                 for(i = 0; i < blocksize; i += 4) {
 554                         uint32_t word = swahb32p((uint32_t *)(fw->data + offset + i));
 555                         iowrite32(word, RX_BUF(card, 3) + i);
 556                 }
 557
 558                 /* Specify block number and then trigger flash write */
 559                 iowrite32(offset / blocksize, card->config_regs + FLASH_BLOCK);
 560                 iowrite32(1, card->config_regs + WRITE_FLASH);
 561                 wait_event(card->fw_wq, !ioread32(card->config_regs + FLASH_BUSY));
 562         }
 563
 564         release_firmware(fw);
 565         iowrite32(0, card->config_regs + WRITE_FLASH);
 566         iowrite32(0, card->config_regs + FPGA_MODE);
 567         iowrite32(0, card->config_regs + FLASH_MODE);
 568         dev_info(&card->dev->dev, "Returning FPGA to Data mode\n");
 569         return 0;
 570 }
 571
 572 static irqreturn_t solos_irq(int irq, void *dev_id)
 573 {
 574         struct solos_card *card = dev_id;
 575         int handled = 1;
 576
 577         //ACK IRQ
 578         iowrite32(0, card->config_regs + IRQ_CLEAR);
 579
 580         if (card->atmdev[0])
 581                 tasklet_schedule(&card->tlet);
 582         else
 583                 wake_up(&card->fw_wq);
 584
 585         return IRQ_RETVAL(handled);
 586 }
 587
 588 void solos_bh(unsigned long card_arg)
 589 {
 590         struct solos_card *card = (void *)card_arg;
 591         int port;
 592         uint32_t card_flags;
 593         uint32_t rx_done = 0;
 594
 595         card_flags = ioread32(card->config_regs + FLAGS_ADDR);
 596
 597         /* The TX bits are set if the channel is busy; clear if not. We want to
 598            invoke fpga_tx() unless _all_ the bits for active channels are set */
 599         if ((card_flags & card->tx_mask) != card->tx_mask)
 600                 fpga_tx(card);
 601
 602         for (port = 0; port < card->nr_ports; port++) {
 603                 if (card_flags & (0x10 << port)) {
 604                         struct pkt_hdr _hdr, *header;
 605                         struct sk_buff *skb;
 606                         struct atm_vcc *vcc;
 607                         int size;
 608
 609                         if (card->using_dma) {
 610                                 skb = card->rx_skb[port];
 611                                 card->rx_skb[port] = NULL;
 612
 613                                 pci_unmap_single(card->dev, SKB_CB(skb)->dma_addr,
 614                                                  RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
 615
 616                                 header = (void *)skb->data;
 617                                 size = le16_to_cpu(header->size);
 618                                 skb_put(skb, size + sizeof(*header));
 619                                 skb_pull(skb, sizeof(*header));
 620                         } else {
 621                                 header = &_hdr;
 622
 623                                 rx_done |= 0x10 << port;
 624
 625                                 memcpy_fromio(header, RX_BUF(card, port), sizeof(*header));
 626
 627                                 size = le16_to_cpu(header->size);
 628
 629                                 skb = alloc_skb(size + 1, GFP_ATOMIC);
 630                                 if (!skb) {
 631                                         if (net_ratelimit())
 632                                                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff for RX\n");
 633                                         continue;
 634                                 }
 635
 636                                 memcpy_fromio(skb_put(skb, size),
 637                                               RX_BUF(card, port) + sizeof(*header),
 638                                               size);
 639                         }
 640                         if (atmdebug) {
 641                                 dev_info(&card->dev->dev, "Received: device %d\n", port);
 642                                 dev_info(&card->dev->dev, "size: %d VPI: %d VCI: %d\n",
 643                                          size, le16_to_cpu(header->vpi),
 644                                          le16_to_cpu(header->vci));
 645                                 print_buffer(skb);
 646                         }
 647
 648                         switch (le16_to_cpu(header->type)) {
 649                         case PKT_DATA:
 650                                 vcc = find_vcc(card->atmdev[port], le16_to_cpu(header->vpi),
 651                                                le16_to_cpu(header->vci));
 652                                 if (!vcc) {
 653                                         if (net_ratelimit())
 654                                                 dev_warn(&card->dev->dev, "Received packet for unknown VCI.VPI %d.%d on port %d\n",
 655                                                          le16_to_cpu(header->vci), le16_to_cpu(header->vpi),
 656                                                          port);
 657                                         continue;
 658                                 }
 659                                 atm_charge(vcc, skb->truesize);
 660                                 vcc->push(vcc, skb);
 661                                 atomic_inc(&vcc->stats->rx);
 662                                 break;
 663
 664                         case PKT_STATUS:
 665                                 process_status(card, port, skb);
 666                                 dev_kfree_skb_any(skb);
 667                                 break;
 668
 669                         case PKT_COMMAND:
 670                         default: /* FIXME: Not really, surely? */
 671                                 if (process_command(card, port, skb))
 672                                         break;
 673                                 spin_lock(&card->cli_queue_lock);
 674                                 if (skb_queue_len(&card->cli_queue[port]) > 10) {
 675                                         if (net_ratelimit())
 676                                                 dev_warn(&card->dev->dev, "Dropping console response on port %d\n",
 677                                                          port);
 678                                         dev_kfree_skb_any(skb);
 679                                 } else
 680                                         skb_queue_tail(&card->cli_queue[port], skb);
 681                                 spin_unlock(&card->cli_queue_lock);
 682                                 break;
 683                         }
 684                 }
 685                 /* Allocate RX skbs for any ports which need them */
 686                 if (card->using_dma && card->atmdev[port] &&
 687                     !card->rx_skb[port]) {
 688                         struct sk_buff *skb = alloc_skb(RX_DMA_SIZE, GFP_ATOMIC);
 689                         if (skb) {
 690                                 SKB_CB(skb)->dma_addr =
 691                                         pci_map_single(card->dev, skb->data,
 692                                                        RX_DMA_SIZE, PCI_DMA_FROMDEVICE);
 693                                 iowrite32(SKB_CB(skb)->dma_addr,
 694                                           card->config_regs + RX_DMA_ADDR(port));
 695                                 card->rx_skb[port] = skb;
 696                         } else {
 697                                 if (net_ratelimit())
 698                                         dev_warn(&card->dev->dev, "Failed to allocate RX skb");
 699
 700                                 /* We'll have to try again later */
 701                                 tasklet_schedule(&card->tlet);
 702                         }
 703                 }
 704         }
 705         if (rx_done)
 706                 iowrite32(rx_done, card->config_regs + FLAGS_ADDR);
 707
 708         return;
 709 }
 710
 711 static struct atm_vcc *find_vcc(struct atm_dev *dev, short vpi, int vci)
 712 {
 713         struct hlist_head *head;
 714         struct atm_vcc *vcc = NULL;
 715         struct hlist_node *node;
 716         struct sock *s;
 717
 718         read_lock(&vcc_sklist_lock);
 719         head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)];
 720         sk_for_each(s, node, head) {
 721                 vcc = atm_sk(s);
 722                 if (vcc->dev == dev && vcc->vci == vci &&
 723                     vcc->vpi == vpi && vcc->qos.rxtp.traffic_class != ATM_NONE)
 724                         goto out;
 725         }
 726         vcc = NULL;
 727  out:
 728         read_unlock(&vcc_sklist_lock);
 729         return vcc;
 730 }
 731
 732 static int list_vccs(int vci)
 733 {
 734         struct hlist_head *head;
 735         struct atm_vcc *vcc;
 736         struct hlist_node *node;
 737         struct sock *s;
 738         int num_found = 0;
 739         int i;
 740
 741         read_lock(&vcc_sklist_lock);
 742         if (vci != 0){
 743                 head = &vcc_hash[vci & (VCC_HTABLE_SIZE -1)];
 744                 sk_for_each(s, node, head) {
 745                         num_found ++;
 746                         vcc = atm_sk(s);
 747                         printk(KERN_DEBUG "Device: %d Vpi: %d Vci: %d\n",
 748                                vcc->dev->number,
 749                                vcc->vpi,
 750                                vcc->vci);
 751                 }
 752         } else {
 753                 for(i = 0; i < VCC_HTABLE_SIZE; i++){
 754                         head = &vcc_hash[i];
 755                         sk_for_each(s, node, head) {
 756                                 num_found ++;
 757                                 vcc = atm_sk(s);
 758                                 printk(KERN_DEBUG "Device: %d Vpi: %d Vci: %d\n",
 759                                        vcc->dev->number,
 760                                        vcc->vpi,
 761                                        vcc->vci);
 762                         }
 763                 }
 764         }
 765         read_unlock(&vcc_sklist_lock);
 766         return num_found;
 767 }
 768
 769 static void release_vccs(struct atm_dev *dev)
 770 {
 771         int i;
 772
 773         write_lock_irq(&vcc_sklist_lock);
 774         for (i = 0; i < VCC_HTABLE_SIZE; i++) {
 775                 struct hlist_head *head = &vcc_hash[i];
 776                 struct hlist_node *node, *tmp;
 777                 struct sock *s;
 778                 struct atm_vcc *vcc;
 779
 780                 sk_for_each_safe(s, node, tmp, head) {
 781                         vcc = atm_sk(s);
 782                         if (vcc->dev == dev) {
 783                                 vcc_release_async(vcc, -EPIPE);
 784                                 sk_del_node_init(s);
 785                         }
 786                 }
 787         }
 788         write_unlock_irq(&vcc_sklist_lock);
 789 }
 790
 791
 792 static int popen(struct atm_vcc *vcc)
 793 {
 794         struct solos_card *card = vcc->dev->dev_data;
 795         struct sk_buff *skb;
 796         struct pkt_hdr *header;
 797
 798         if (vcc->qos.aal != ATM_AAL5) {
 799                 dev_warn(&card->dev->dev, "Unsupported ATM type %d\n",
 800                          vcc->qos.aal);
 801                 return -EINVAL;
 802         }
 803
 804         skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
 805         if (!skb && net_ratelimit()) {
 806                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in popen()\n");
 807                 return -ENOMEM;
 808         }
 809         header = (void *)skb_put(skb, sizeof(*header));
 810
 811         header->size = cpu_to_le16(0);
 812         header->vpi = cpu_to_le16(vcc->vpi);
 813         header->vci = cpu_to_le16(vcc->vci);
 814         header->type = cpu_to_le16(PKT_POPEN);
 815
 816         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL);
 817
 818 //      dev_dbg(&card->dev->dev, "Open for vpi %d and vci %d on interface %d\n", vcc->vpi, vcc->vci, SOLOS_CHAN(vcc->dev));
 819         set_bit(ATM_VF_ADDR, &vcc->flags); // accept the vpi / vci
 820         set_bit(ATM_VF_READY, &vcc->flags);
 821         list_vccs(0);
 822
 823
 824         return 0;
 825 }
 826
 827 static void pclose(struct atm_vcc *vcc)
 828 {
 829         struct solos_card *card = vcc->dev->dev_data;
 830         struct sk_buff *skb;
 831         struct pkt_hdr *header;
 832
 833         skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
 834         if (!skb) {
 835                 dev_warn(&card->dev->dev, "Failed to allocate sk_buff in pclose()\n");
 836                 return;
 837         }
 838         header = (void *)skb_put(skb, sizeof(*header));
 839
 840         header->size = cpu_to_le16(0);
 841         header->vpi = cpu_to_le16(vcc->vpi);
 842         header->vci = cpu_to_le16(vcc->vci);
 843         header->type = cpu_to_le16(PKT_PCLOSE);
 844
 845         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, NULL);
 846
 847 //      dev_dbg(&card->dev->dev, "Close for vpi %d and vci %d on interface %d\n", vcc->vpi, vcc->vci, SOLOS_CHAN(vcc->dev));
 848
 849         clear_bit(ATM_VF_ADDR, &vcc->flags);
 850         clear_bit(ATM_VF_READY, &vcc->flags);
 851
 852         return;
 853 }
 854
 855 static int print_buffer(struct sk_buff *buf)
 856 {
 857         int len,i;
 858         char msg[500];
 859         char item[10];
 860
 861         len = buf->len;
 862         for (i = 0; i < len; i++){
 863                 if(i % 8 == 0)
 864                         sprintf(msg, "%02X: ", i);
 865
 866                 sprintf(item,"%02X ",*(buf->data + i));
 867                 strcat(msg, item);
 868                 if(i % 8 == 7) {
 869                         sprintf(item, "\n");
 870                         strcat(msg, item);
 871                         printk(KERN_DEBUG "%s", msg);
 872                 }
 873         }
 874         if (i % 8 != 0) {
 875                 sprintf(item, "\n");
 876                 strcat(msg, item);
 877                 printk(KERN_DEBUG "%s", msg);
 878         }
 879         printk(KERN_DEBUG "\n");
 880
 881         return 0;
 882 }
 883
 884 static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb,
 885                        struct atm_vcc *vcc)
 886 {
 887         int old_len;
 888         unsigned long flags;
 889
 890         SKB_CB(skb)->vcc = vcc;
 891
 892         spin_lock_irqsave(&card->tx_queue_lock, flags);
 893         old_len = skb_queue_len(&card->tx_queue[port]);
 894         skb_queue_tail(&card->tx_queue[port], skb);
 895         if (!old_len) {
 896                 card->tx_mask |= (1 << port);
 897         }
 898         spin_unlock_irqrestore(&card->tx_queue_lock, flags);
 899
 900         /* Theoretically we could just schedule the tasklet here, but
 901            that introduces latency we don't want -- it's noticeable */
 902         if (!old_len)
 903                 fpga_tx(card);
 904 }
 905
 906 static int fpga_tx(struct solos_card *card)
 907 {
 908         uint32_t tx_pending;
 909         uint32_t tx_started = 0;
 910         struct sk_buff *skb;
 911         struct atm_vcc *vcc;
 912         unsigned char port;
 913         unsigned long flags;
 914
 915         spin_lock_irqsave(&card->tx_lock, flags);
 916
 917         tx_pending = ioread32(card->config_regs + FLAGS_ADDR) & card->tx_mask;
 918
 919         dev_vdbg(&card->dev->dev, "TX Flags are %X\n", tx_pending);
 920
 921         for (port = 0; port < card->nr_ports; port++) {
 922                 if (card->atmdev[port] && !(tx_pending & (1 << port))) {
 923                         struct sk_buff *oldskb = card->tx_skb[port];
 924
 925                         if (oldskb)
 926                                 pci_unmap_single(card->dev, SKB_CB(oldskb)->dma_addr,
 927                                                  oldskb->len, PCI_DMA_TODEVICE);
 928
 929                         spin_lock(&card->tx_queue_lock);
 930                         skb = skb_dequeue(&card->tx_queue[port]);
 931                         if (!skb)
 932                                 card->tx_mask &= ~(1 << port);
 933                         spin_unlock(&card->tx_queue_lock);
 934
 935                         if (skb && !card->using_dma) {
 936                                 memcpy_toio(TX_BUF(card, port), skb->data, skb->len);
 937                                 tx_started |= 1 << port; //Set TX full flag
 938                                 oldskb = skb; /* We're done with this skb already */
 939                         } else if (skb && card->using_dma) {
 940                                 SKB_CB(skb)->dma_addr = pci_map_single(card->dev, skb->data,
 941                                                                        skb->len, PCI_DMA_TODEVICE);
 942                                 iowrite32(SKB_CB(skb)->dma_addr,
 943                                           card->config_regs + TX_DMA_ADDR(port));
 944                         }
 945
 946                         if (!oldskb)
 947                                 continue;
 948
 949                         /* Clean up and free oldskb now it's gone */
 950                         if (atmdebug) {
 951                                 dev_info(&card->dev->dev, "Transmitted: port %d\n",
 952                                          port);
 953                                 print_buffer(oldskb);
 954                         }
 955
 956                         vcc = SKB_CB(oldskb)->vcc;
 957
 958                         if (vcc) {
 959                                 atomic_inc(&vcc->stats->tx);
 960                                 solos_pop(vcc, oldskb);
 961                         } else
 962                                 dev_kfree_skb_irq(oldskb);
 963
 964                 }
 965         }
 966         if (tx_started)
 967                 iowrite32(tx_started, card->config_regs + FLAGS_ADDR);
 968
 969         spin_unlock_irqrestore(&card->tx_lock, flags);
 970         return 0;
 971 }
 972
 973 static int psend(struct atm_vcc *vcc, struct sk_buff *skb)
 974 {
 975         struct solos_card *card = vcc->dev->dev_data;
 976         struct pkt_hdr *header;
 977         int pktlen;
 978
 979         //dev_dbg(&card->dev->dev, "psend called.\n");
 980         //dev_dbg(&card->dev->dev, "dev,vpi,vci = %d,%d,%d\n",SOLOS_CHAN(vcc->dev),vcc->vpi,vcc->vci);
 981
 982         pktlen = skb->len;
 983         if (pktlen > (BUF_SIZE - sizeof(*header))) {
 984                 dev_warn(&card->dev->dev, "Length of PDU is too large. Dropping PDU.\n");
 985                 solos_pop(vcc, skb);
 986                 return 0;
 987         }
 988
 989         if (!skb_clone_writable(skb, sizeof(*header))) {
 990                 int expand_by = 0;
 991                 int ret;
 992
 993                 if (skb_headroom(skb) < sizeof(*header))
 994                         expand_by = sizeof(*header) - skb_headroom(skb);
 995
 996                 ret = pskb_expand_head(skb, expand_by, 0, GFP_ATOMIC);
 997                 if (ret) {
 998                         dev_warn(&card->dev->dev, "pskb_expand_head failed.\n");
 999                         solos_pop(vcc, skb);
1000                         return ret;
1001                 }
1002         }
1003
1004         header = (void *)skb_push(skb, sizeof(*header));
1005
1006         /* This does _not_ include the size of the header */
1007         header->size = cpu_to_le16(pktlen);
1008         header->vpi = cpu_to_le16(vcc->vpi);
1009         header->vci = cpu_to_le16(vcc->vci);
1010         header->type = cpu_to_le16(PKT_DATA);
1011
1012         fpga_queue(card, SOLOS_CHAN(vcc->dev), skb, vcc);
1013
1014         return 0;
1015 }
1016
1017 static struct atmdev_ops fpga_ops = {
1018         .open =         popen,
1019         .close =        pclose,
1020         .ioctl =        NULL,
1021         .getsockopt =   NULL,
1022         .setsockopt =   NULL,
1023         .send =         psend,
1024         .send_oam =     NULL,
1025         .phy_put =      NULL,
1026         .phy_get =      NULL,
1027         .change_qos =   NULL,
1028         .proc_read =    NULL,
1029         .owner =        THIS_MODULE
1030 };
1031
1032 static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
1033 {
1034         int err, i;
1035         uint16_t fpga_ver;
1036         uint8_t major_ver, minor_ver;
1037         uint32_t data32;
1038         struct solos_card *card;
1039
1040         card = kzalloc(sizeof(*card), GFP_KERNEL);
1041         if (!card)
1042                 return -ENOMEM;
1043
1044         card->dev = dev;
1045         init_waitqueue_head(&card->fw_wq);
1046         init_waitqueue_head(&card->param_wq);
1047
1048         err = pci_enable_device(dev);
1049         if (err) {
1050                 dev_warn(&dev->dev,  "Failed to enable PCI device\n");
1051                 goto out;
1052         }
1053
1054         err = pci_set_dma_mask(dev, DMA_32BIT_MASK);
1055         if (err) {
1056                 dev_warn(&dev->dev, "Failed to set 32-bit DMA mask\n");
1057                 goto out;
1058         }
1059
1060         err = pci_request_regions(dev, "solos");
1061         if (err) {
1062                 dev_warn(&dev->dev, "Failed to request regions\n");
1063                 goto out;
1064         }
1065
1066         card->config_regs = pci_iomap(dev, 0, CONFIG_RAM_SIZE);
1067         if (!card->config_regs) {
1068                 dev_warn(&dev->dev, "Failed to ioremap config registers\n");
1069                 goto out_release_regions;
1070         }
1071         card->buffers = pci_iomap(dev, 1, DATA_RAM_SIZE);
1072         if (!card->buffers) {
1073                 dev_warn(&dev->dev, "Failed to ioremap data buffers\n");
1074                 goto out_unmap_config;
1075         }
1076
1077 //      for(i=0;i<64 ;i+=4){
1078 //              data32=ioread32(card->buffers + i);
1079 //              dev_dbg(&card->dev->dev, "%08lX\n",(unsigned long)data32);
1080 //      }
1081
1082         //Fill Config Mem with zeros
1083         for(i = 0; i < 128; i += 4)
1084                 iowrite32(0, card->config_regs + i);
1085
1086         //Set RX empty flags
1087         iowrite32(0xF0, card->config_regs + FLAGS_ADDR);
1088
1089         data32 = ioread32(card->config_regs + FPGA_VER);
1090         fpga_ver = (data32 & 0x0000FFFF);
1091         major_ver = ((data32 & 0xFF000000) >> 24);
1092         minor_ver = ((data32 & 0x00FF0000) >> 16);
1093         dev_info(&dev->dev, "Solos FPGA Version %d.%02d svn-%d\n",
1094                  major_ver, minor_ver, fpga_ver);
1095
1096         if (fpga_ver > 27)
1097                 card->using_dma = 1;
1098
1099         card->nr_ports = 2; /* FIXME: Detect daughterboard */
1100
1101         pci_set_drvdata(dev, card);
1102
1103         tasklet_init(&card->tlet, solos_bh, (unsigned long)card);
1104         spin_lock_init(&card->tx_lock);
1105         spin_lock_init(&card->tx_queue_lock);
1106         spin_lock_init(&card->cli_queue_lock);
1107         spin_lock_init(&card->param_queue_lock);
1108         INIT_LIST_HEAD(&card->param_queue);
1109
1110 /*
1111         // Set Loopback mode
1112         data32 = 0x00010000;
1113         iowrite32(data32,card->config_regs + FLAGS_ADDR);
1114 */
1115 /*
1116         // Fill Buffers with zeros
1117         for (i = 0; i < BUF_SIZE * 8; i += 4)
1118                 iowrite32(0, card->buffers + i);
1119 */
1120 /*
1121         for(i = 0; i < (BUF_SIZE * 1); i += 4)
1122                 iowrite32(0x12345678, card->buffers + i + (0*BUF_SIZE));
1123         for(i = 0; i < (BUF_SIZE * 1); i += 4)
1124                 iowrite32(0xabcdef98, card->buffers + i + (1*BUF_SIZE));
1125
1126         // Read Config Memory
1127         printk(KERN_DEBUG "Reading Config MEM\n");
1128         i = 0;
1129         for(i = 0; i < 16; i++) {
1130                 data32=ioread32(card->buffers + i*(BUF_SIZE/2));
1131                 printk(KERN_ALERT "Addr: %lX Data: %08lX\n",
1132                        (unsigned long)(addr_start + i*(BUF_SIZE/2)),
1133                        (unsigned long)data32);
1134         }
1135 */
1136         //dev_dbg(&card->dev->dev, "Requesting IRQ: %d\n",dev->irq);
1137         err = request_irq(dev->irq, solos_irq, IRQF_SHARED,
1138                           "solos-pci", card);
1139         if (err) {
1140                 dev_dbg(&card->dev->dev, "Failed to request interrupt IRQ: %d\n", dev->irq);
1141                 goto out_unmap_both;
1142         }
1143
1144         // Enable IRQs
1145         iowrite32(1, card->config_regs + IRQ_EN_ADDR);
1146
1147         if (fpga_upgrade)
1148                 flash_upgrade(card, 0);
1149
1150         if (firmware_upgrade)
1151                 flash_upgrade(card, 1);
1152
1153         err = atm_init(card);
1154         if (err)
1155                 goto out_free_irq;
1156
1157         return 0;
1158
1159  out_free_irq:
1160         iowrite32(0, card->config_regs + IRQ_EN_ADDR);
1161         free_irq(dev->irq, card);
1162         tasklet_kill(&card->tlet);
1163
1164  out_unmap_both:
1165         pci_set_drvdata(dev, NULL);
1166         pci_iounmap(dev, card->config_regs);
1167  out_unmap_config:
1168         pci_iounmap(dev, card->buffers);
1169  out_release_regions:
1170         pci_release_regions(dev);
1171  out:
1172         return err;
1173 }
1174
1175 static int atm_init(struct solos_card *card)
1176 {
1177         int i;
1178
1179         for (i = 0; i < card->nr_ports; i++) {
1180                 struct sk_buff *skb;
1181                 struct pkt_hdr *header;
1182
1183                 skb_queue_head_init(&card->tx_queue[i]);
1184                 skb_queue_head_init(&card->cli_queue[i]);
1185
1186                 card->atmdev[i] = atm_dev_register("solos-pci", &fpga_ops, -1, NULL);
1187                 if (!card->atmdev[i]) {
1188                         dev_err(&card->dev->dev, "Could not register ATM device %d\n", i);
1189                         atm_remove(card);
1190                         return -ENODEV;
1191                 }
1192                 if (device_create_file(&card->atmdev[i]->class_dev, &dev_attr_console))
1193                         dev_err(&card->dev->dev, "Could not register console for ATM device %d\n", i);
1194                 if (sysfs_create_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group))
1195                         dev_err(&card->dev->dev, "Could not register parameter group for ATM device %d\n", i);
1196
1197                 dev_info(&card->dev->dev, "Registered ATM device %d\n", card->atmdev[i]->number);
1198
1199                 card->atmdev[i]->ci_range.vpi_bits = 8;
1200                 card->atmdev[i]->ci_range.vci_bits = 16;
1201                 card->atmdev[i]->dev_data = card;
1202                 card->atmdev[i]->phy_data = (void *)(unsigned long)i;
1203                 card->atmdev[i]->signal = ATM_PHY_SIG_UNKNOWN;
1204
1205                 skb = alloc_skb(sizeof(*header), GFP_ATOMIC);
1206                 if (!skb) {
1207                         dev_warn(&card->dev->dev, "Failed to allocate sk_buff in atm_init()\n");
1208                         continue;
1209                 }
1210
1211                 header = (void *)skb_put(skb, sizeof(*header));
1212
1213                 header->size = cpu_to_le16(0);
1214                 header->vpi = cpu_to_le16(0);
1215                 header->vci = cpu_to_le16(0);
1216                 header->type = cpu_to_le16(PKT_STATUS);
1217
1218                 fpga_queue(card, i, skb, NULL);
1219         }
1220         return 0;
1221 }
1222
1223 static void atm_remove(struct solos_card *card)
1224 {
1225         int i;
1226
1227         for (i = 0; i < card->nr_ports; i++) {
1228                 if (card->atmdev[i]) {
1229                         dev_info(&card->dev->dev, "Unregistering ATM device %d\n", card->atmdev[i]->number);
1230
1231                         sysfs_remove_group(&card->atmdev[i]->class_dev.kobj, &solos_attr_group);
1232                         atm_dev_deregister(card->atmdev[i]);
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         atm_remove(card);
1242
1243         dev_vdbg(&dev->dev, "Freeing IRQ\n");
1244         // Disable IRQs from FPGA
1245         iowrite32(0, card->config_regs + IRQ_EN_ADDR);
1246         free_irq(dev->irq, card);
1247         tasklet_kill(&card->tlet);
1248
1249         //      iowrite32(0x01,pciregs);
1250         dev_vdbg(&dev->dev, "Unmapping PCI resource\n");
1251         pci_iounmap(dev, card->buffers);
1252         pci_iounmap(dev, card->config_regs);
1253
1254         dev_vdbg(&dev->dev, "Releasing PCI Region\n");
1255         pci_release_regions(dev);
1256         pci_disable_device(dev);
1257
1258         pci_set_drvdata(dev, NULL);
1259         kfree(card);
1260 //      dev_dbg(&card->dev->dev, "fpga_remove\n");
1261         return;
1262 }
1263
1264 static struct pci_device_id fpga_pci_tbl[] __devinitdata = {
1265         { 0x10ee, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
1266         { 0, }
1267 };
1268
1269 MODULE_DEVICE_TABLE(pci,fpga_pci_tbl);
1270
1271 static struct pci_driver fpga_driver = {
1272         .name =         "solos",
1273         .id_table =     fpga_pci_tbl,
1274         .probe =        fpga_probe,
1275         .remove =       fpga_remove,
1276 };
1277
1278
1279 static int __init solos_pci_init(void)
1280 {
1281         printk(KERN_INFO "Solos PCI Driver Version %s\n", VERSION);
1282         return pci_register_driver(&fpga_driver);
1283 }
1284
1285 static void __exit solos_pci_exit(void)
1286 {
1287         pci_unregister_driver(&fpga_driver);
1288         printk(KERN_INFO "Solos PCI Driver %s Unloaded\n", VERSION);
1289 }
1290
1291 module_init(solos_pci_init);
1292 module_exit(solos_pci_exit);