1 /* 2 * 3 * Driver for the 3Com Bluetooth PCMCIA card 4 * 5 * Copyright (C) 2001-2002 Marcel Holtmann <marcel@holtmann.org> 6 * Jose Orlando Pereira <jop@di.uminho.pt> 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation; 12 * 13 * Software distributed under the License is distributed on an "AS 14 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 15 * implied. See the License for the specific language governing 16 * rights and limitations under the License. 17 * 18 * The initial developer of the original code is David A. Hinds 19 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 20 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 21 * 22 */ 23 24 #include <linux/module.h> 25 26 #include <linux/kernel.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/types.h> 30 #include <linux/delay.h> 31 #include <linux/errno.h> 32 #include <linux/ptrace.h> 33 #include <linux/ioport.h> 34 #include <linux/spinlock.h> 35 #include <linux/moduleparam.h> 36 37 #include <linux/skbuff.h> 38 #include <linux/string.h> 39 #include <linux/serial.h> 40 #include <linux/serial_reg.h> 41 #include <linux/bitops.h> 42 #include <asm/system.h> 43 #include <asm/io.h> 44 45 #include <linux/device.h> 46 #include <linux/firmware.h> 47 48 #include <pcmcia/cs_types.h> 49 #include <pcmcia/cs.h> 50 #include <pcmcia/cistpl.h> 51 #include <pcmcia/ciscode.h> 52 #include <pcmcia/ds.h> 53 #include <pcmcia/cisreg.h> 54 55 #include <net/bluetooth/bluetooth.h> 56 #include <net/bluetooth/hci_core.h> 57 58 59 60 /* ======================== Module parameters ======================== */ 61 62 63 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>, Jose Orlando Pereira <jop@di.uminho.pt>"); 64 MODULE_DESCRIPTION("Bluetooth driver for the 3Com Bluetooth PCMCIA card"); 65 MODULE_LICENSE("GPL"); 66 MODULE_FIRMWARE("BT3CPCC.bin"); 67 68 69 70 /* ======================== Local structures ======================== */ 71 72 73 typedef struct bt3c_info_t { 74 struct pcmcia_device *p_dev; 75 dev_node_t node; 76 77 struct hci_dev *hdev; 78 79 spinlock_t lock; /* For serializing operations */ 80 81 struct sk_buff_head txq; 82 unsigned long tx_state; 83 84 unsigned long rx_state; 85 unsigned long rx_count; 86 struct sk_buff *rx_skb; 87 } bt3c_info_t; 88 89 90 static int bt3c_config(struct pcmcia_device *link); 91 static void bt3c_release(struct pcmcia_device *link); 92 93 static void bt3c_detach(struct pcmcia_device *p_dev); 94 95 96 /* Transmit states */ 97 #define XMIT_SENDING 1 98 #define XMIT_WAKEUP 2 99 #define XMIT_WAITING 8 100 101 /* Receiver states */ 102 #define RECV_WAIT_PACKET_TYPE 0 103 #define RECV_WAIT_EVENT_HEADER 1 104 #define RECV_WAIT_ACL_HEADER 2 105 #define RECV_WAIT_SCO_HEADER 3 106 #define RECV_WAIT_DATA 4 107 108 109 110 /* ======================== Special I/O functions ======================== */ 111 112 113 #define DATA_L 0 114 #define DATA_H 1 115 #define ADDR_L 2 116 #define ADDR_H 3 117 #define CONTROL 4 118 119 120 static inline void bt3c_address(unsigned int iobase, unsigned short addr) 121 { 122 outb(addr & 0xff, iobase + ADDR_L); 123 outb((addr >> 8) & 0xff, iobase + ADDR_H); 124 } 125 126 127 static inline void bt3c_put(unsigned int iobase, unsigned short value) 128 { 129 outb(value & 0xff, iobase + DATA_L); 130 outb((value >> 8) & 0xff, iobase + DATA_H); 131 } 132 133 134 static inline void bt3c_io_write(unsigned int iobase, unsigned short addr, unsigned short value) 135 { 136 bt3c_address(iobase, addr); 137 bt3c_put(iobase, value); 138 } 139 140 141 static inline unsigned short bt3c_get(unsigned int iobase) 142 { 143 unsigned short value = inb(iobase + DATA_L); 144 145 value |= inb(iobase + DATA_H) << 8; 146 147 return value; 148 } 149 150 151 static inline unsigned short bt3c_read(unsigned int iobase, unsigned short addr) 152 { 153 bt3c_address(iobase, addr); 154 155 return bt3c_get(iobase); 156 } 157 158 159 160 /* ======================== Interrupt handling ======================== */ 161 162 163 static int bt3c_write(unsigned int iobase, int fifo_size, __u8 *buf, int len) 164 { 165 int actual = 0; 166 167 bt3c_address(iobase, 0x7080); 168 169 /* Fill FIFO with current frame */ 170 while (actual < len) { 171 /* Transmit next byte */ 172 bt3c_put(iobase, buf[actual]); 173 actual++; 174 } 175 176 bt3c_io_write(iobase, 0x7005, actual); 177 178 return actual; 179 } 180 181 182 static void bt3c_write_wakeup(bt3c_info_t *info) 183 { 184 if (!info) { 185 BT_ERR("Unknown device"); 186 return; 187 } 188 189 if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) 190 return; 191 192 do { 193 register unsigned int iobase = info->p_dev->io.BasePort1; 194 register struct sk_buff *skb; 195 register int len; 196 197 if (!pcmcia_dev_present(info->p_dev)) 198 break; 199 200 201 if (!(skb = skb_dequeue(&(info->txq)))) { 202 clear_bit(XMIT_SENDING, &(info->tx_state)); 203 break; 204 } 205 206 /* Send frame */ 207 len = bt3c_write(iobase, 256, skb->data, skb->len); 208 209 if (len != skb->len) { 210 BT_ERR("Very strange"); 211 } 212 213 kfree_skb(skb); 214 215 info->hdev->stat.byte_tx += len; 216 217 } while (0); 218 } 219 220 221 static void bt3c_receive(bt3c_info_t *info) 222 { 223 unsigned int iobase; 224 int size = 0, avail; 225 226 if (!info) { 227 BT_ERR("Unknown device"); 228 return; 229 } 230 231 iobase = info->p_dev->io.BasePort1; 232 233 avail = bt3c_read(iobase, 0x7006); 234 //printk("bt3c_cs: receiving %d bytes\n", avail); 235 236 bt3c_address(iobase, 0x7480); 237 while (size < avail) { 238 size++; 239 info->hdev->stat.byte_rx++; 240 241 /* Allocate packet */ 242 if (info->rx_skb == NULL) { 243 info->rx_state = RECV_WAIT_PACKET_TYPE; 244 info->rx_count = 0; 245 if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) { 246 BT_ERR("Can't allocate mem for new packet"); 247 return; 248 } 249 } 250 251 252 if (info->rx_state == RECV_WAIT_PACKET_TYPE) { 253 254 info->rx_skb->dev = (void *) info->hdev; 255 bt_cb(info->rx_skb)->pkt_type = inb(iobase + DATA_L); 256 inb(iobase + DATA_H); 257 //printk("bt3c: PACKET_TYPE=%02x\n", bt_cb(info->rx_skb)->pkt_type); 258 259 switch (bt_cb(info->rx_skb)->pkt_type) { 260 261 case HCI_EVENT_PKT: 262 info->rx_state = RECV_WAIT_EVENT_HEADER; 263 info->rx_count = HCI_EVENT_HDR_SIZE; 264 break; 265 266 case HCI_ACLDATA_PKT: 267 info->rx_state = RECV_WAIT_ACL_HEADER; 268 info->rx_count = HCI_ACL_HDR_SIZE; 269 break; 270 271 case HCI_SCODATA_PKT: 272 info->rx_state = RECV_WAIT_SCO_HEADER; 273 info->rx_count = HCI_SCO_HDR_SIZE; 274 break; 275 276 default: 277 /* Unknown packet */ 278 BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type); 279 info->hdev->stat.err_rx++; 280 clear_bit(HCI_RUNNING, &(info->hdev->flags)); 281 282 kfree_skb(info->rx_skb); 283 info->rx_skb = NULL; 284 break; 285 286 } 287 288 } else { 289 290 __u8 x = inb(iobase + DATA_L); 291 292 *skb_put(info->rx_skb, 1) = x; 293 inb(iobase + DATA_H); 294 info->rx_count--; 295 296 if (info->rx_count == 0) { 297 298 int dlen; 299 struct hci_event_hdr *eh; 300 struct hci_acl_hdr *ah; 301 struct hci_sco_hdr *sh; 302 303 switch (info->rx_state) { 304 305 case RECV_WAIT_EVENT_HEADER: 306 eh = hci_event_hdr(info->rx_skb); 307 info->rx_state = RECV_WAIT_DATA; 308 info->rx_count = eh->plen; 309 break; 310 311 case RECV_WAIT_ACL_HEADER: 312 ah = hci_acl_hdr(info->rx_skb); 313 dlen = __le16_to_cpu(ah->dlen); 314 info->rx_state = RECV_WAIT_DATA; 315 info->rx_count = dlen; 316 break; 317 318 case RECV_WAIT_SCO_HEADER: 319 sh = hci_sco_hdr(info->rx_skb); 320 info->rx_state = RECV_WAIT_DATA; 321 info->rx_count = sh->dlen; 322 break; 323 324 case RECV_WAIT_DATA: 325 hci_recv_frame(info->rx_skb); 326 info->rx_skb = NULL; 327 break; 328 329 } 330 331 } 332 333 } 334 335 } 336 337 bt3c_io_write(iobase, 0x7006, 0x0000); 338 } 339 340 341 static irqreturn_t bt3c_interrupt(int irq, void *dev_inst) 342 { 343 bt3c_info_t *info = dev_inst; 344 unsigned int iobase; 345 int iir; 346 347 BUG_ON(!info->hdev); 348 349 iobase = info->p_dev->io.BasePort1; 350 351 spin_lock(&(info->lock)); 352 353 iir = inb(iobase + CONTROL); 354 if (iir & 0x80) { 355 int stat = bt3c_read(iobase, 0x7001); 356 357 if ((stat & 0xff) == 0x7f) { 358 BT_ERR("Very strange (stat=0x%04x)", stat); 359 } else if ((stat & 0xff) != 0xff) { 360 if (stat & 0x0020) { 361 int stat = bt3c_read(iobase, 0x7002) & 0x10; 362 BT_INFO("%s: Antenna %s", info->hdev->name, 363 stat ? "out" : "in"); 364 } 365 if (stat & 0x0001) 366 bt3c_receive(info); 367 if (stat & 0x0002) { 368 //BT_ERR("Ack (stat=0x%04x)", stat); 369 clear_bit(XMIT_SENDING, &(info->tx_state)); 370 bt3c_write_wakeup(info); 371 } 372 373 bt3c_io_write(iobase, 0x7001, 0x0000); 374 375 outb(iir, iobase + CONTROL); 376 } 377 } 378 379 spin_unlock(&(info->lock)); 380 381 return IRQ_HANDLED; 382 } 383 384 385 386 /* ======================== HCI interface ======================== */ 387 388 389 static int bt3c_hci_flush(struct hci_dev *hdev) 390 { 391 bt3c_info_t *info = (bt3c_info_t *)(hdev->driver_data); 392 393 /* Drop TX queue */ 394 skb_queue_purge(&(info->txq)); 395 396 return 0; 397 } 398 399 400 static int bt3c_hci_open(struct hci_dev *hdev) 401 { 402 set_bit(HCI_RUNNING, &(hdev->flags)); 403 404 return 0; 405 } 406 407 408 static int bt3c_hci_close(struct hci_dev *hdev) 409 { 410 if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags))) 411 return 0; 412 413 bt3c_hci_flush(hdev); 414 415 return 0; 416 } 417 418 419 static int bt3c_hci_send_frame(struct sk_buff *skb) 420 { 421 bt3c_info_t *info; 422 struct hci_dev *hdev = (struct hci_dev *)(skb->dev); 423 unsigned long flags; 424 425 if (!hdev) { 426 BT_ERR("Frame for unknown HCI device (hdev=NULL)"); 427 return -ENODEV; 428 } 429 430 info = (bt3c_info_t *) (hdev->driver_data); 431 432 switch (bt_cb(skb)->pkt_type) { 433 case HCI_COMMAND_PKT: 434 hdev->stat.cmd_tx++; 435 break; 436 case HCI_ACLDATA_PKT: 437 hdev->stat.acl_tx++; 438 break; 439 case HCI_SCODATA_PKT: 440 hdev->stat.sco_tx++; 441 break; 442 }; 443 444 /* Prepend skb with frame type */ 445 memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1); 446 skb_queue_tail(&(info->txq), skb); 447 448 spin_lock_irqsave(&(info->lock), flags); 449 450 bt3c_write_wakeup(info); 451 452 spin_unlock_irqrestore(&(info->lock), flags); 453 454 return 0; 455 } 456 457 458 static void bt3c_hci_destruct(struct hci_dev *hdev) 459 { 460 } 461 462 463 static int bt3c_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) 464 { 465 return -ENOIOCTLCMD; 466 } 467 468 469 470 /* ======================== Card services HCI interaction ======================== */ 471 472 473 static int bt3c_load_firmware(bt3c_info_t *info, unsigned char *firmware, int count) 474 { 475 char *ptr = (char *) firmware; 476 char b[9]; 477 unsigned int iobase, size, addr, fcs, tmp; 478 int i, err = 0; 479 480 iobase = info->p_dev->io.BasePort1; 481 482 /* Reset */ 483 bt3c_io_write(iobase, 0x8040, 0x0404); 484 bt3c_io_write(iobase, 0x8040, 0x0400); 485 486 udelay(1); 487 488 bt3c_io_write(iobase, 0x8040, 0x0404); 489 490 udelay(17); 491 492 /* Load */ 493 while (count) { 494 if (ptr[0] != 'S') { 495 BT_ERR("Bad address in firmware"); 496 err = -EFAULT; 497 goto error; 498 } 499 500 memset(b, 0, sizeof(b)); 501 memcpy(b, ptr + 2, 2); 502 size = simple_strtol(b, NULL, 16); 503 504 memset(b, 0, sizeof(b)); 505 memcpy(b, ptr + 4, 8); 506 addr = simple_strtol(b, NULL, 16); 507 508 memset(b, 0, sizeof(b)); 509 memcpy(b, ptr + (size * 2) + 2, 2); 510 fcs = simple_strtol(b, NULL, 16); 511 512 memset(b, 0, sizeof(b)); 513 for (tmp = 0, i = 0; i < size; i++) { 514 memcpy(b, ptr + (i * 2) + 2, 2); 515 tmp += simple_strtol(b, NULL, 16); 516 } 517 518 if (((tmp + fcs) & 0xff) != 0xff) { 519 BT_ERR("Checksum error in firmware"); 520 err = -EILSEQ; 521 goto error; 522 } 523 524 if (ptr[1] == '3') { 525 bt3c_address(iobase, addr); 526 527 memset(b, 0, sizeof(b)); 528 for (i = 0; i < (size - 4) / 2; i++) { 529 memcpy(b, ptr + (i * 4) + 12, 4); 530 tmp = simple_strtol(b, NULL, 16); 531 bt3c_put(iobase, tmp); 532 } 533 } 534 535 ptr += (size * 2) + 6; 536 count -= (size * 2) + 6; 537 } 538 539 udelay(17); 540 541 /* Boot */ 542 bt3c_address(iobase, 0x3000); 543 outb(inb(iobase + CONTROL) | 0x40, iobase + CONTROL); 544 545 error: 546 udelay(17); 547 548 /* Clear */ 549 bt3c_io_write(iobase, 0x7006, 0x0000); 550 bt3c_io_write(iobase, 0x7005, 0x0000); 551 bt3c_io_write(iobase, 0x7001, 0x0000); 552 553 return err; 554 } 555 556 557 static int bt3c_open(bt3c_info_t *info) 558 { 559 const struct firmware *firmware; 560 struct hci_dev *hdev; 561 int err; 562 563 spin_lock_init(&(info->lock)); 564 565 skb_queue_head_init(&(info->txq)); 566 567 info->rx_state = RECV_WAIT_PACKET_TYPE; 568 info->rx_count = 0; 569 info->rx_skb = NULL; 570 571 /* Initialize HCI device */ 572 hdev = hci_alloc_dev(); 573 if (!hdev) { 574 BT_ERR("Can't allocate HCI device"); 575 return -ENOMEM; 576 } 577 578 info->hdev = hdev; 579 580 hdev->type = HCI_PCCARD; 581 hdev->driver_data = info; 582 SET_HCIDEV_DEV(hdev, &info->p_dev->dev); 583 584 hdev->open = bt3c_hci_open; 585 hdev->close = bt3c_hci_close; 586 hdev->flush = bt3c_hci_flush; 587 hdev->send = bt3c_hci_send_frame; 588 hdev->destruct = bt3c_hci_destruct; 589 hdev->ioctl = bt3c_hci_ioctl; 590 591 hdev->owner = THIS_MODULE; 592 593 /* Load firmware */ 594 err = request_firmware(&firmware, "BT3CPCC.bin", &info->p_dev->dev); 595 if (err < 0) { 596 BT_ERR("Firmware request failed"); 597 goto error; 598 } 599 600 err = bt3c_load_firmware(info, firmware->data, firmware->size); 601 602 release_firmware(firmware); 603 604 if (err < 0) { 605 BT_ERR("Firmware loading failed"); 606 goto error; 607 } 608 609 /* Timeout before it is safe to send the first HCI packet */ 610 msleep(1000); 611 612 /* Register HCI device */ 613 err = hci_register_dev(hdev); 614 if (err < 0) { 615 BT_ERR("Can't register HCI device"); 616 goto error; 617 } 618 619 return 0; 620 621 error: 622 info->hdev = NULL; 623 hci_free_dev(hdev); 624 return err; 625 } 626 627 628 static int bt3c_close(bt3c_info_t *info) 629 { 630 struct hci_dev *hdev = info->hdev; 631 632 if (!hdev) 633 return -ENODEV; 634 635 bt3c_hci_close(hdev); 636 637 if (hci_unregister_dev(hdev) < 0) 638 BT_ERR("Can't unregister HCI device %s", hdev->name); 639 640 hci_free_dev(hdev); 641 642 return 0; 643 } 644 645 static int bt3c_probe(struct pcmcia_device *link) 646 { 647 bt3c_info_t *info; 648 649 /* Create new info device */ 650 info = kzalloc(sizeof(*info), GFP_KERNEL); 651 if (!info) 652 return -ENOMEM; 653 654 info->p_dev = link; 655 link->priv = info; 656 657 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 658 link->io.NumPorts1 = 8; 659 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; 660 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 661 662 link->irq.Handler = bt3c_interrupt; 663 link->irq.Instance = info; 664 665 link->conf.Attributes = CONF_ENABLE_IRQ; 666 link->conf.IntType = INT_MEMORY_AND_IO; 667 668 return bt3c_config(link); 669 } 670 671 672 static void bt3c_detach(struct pcmcia_device *link) 673 { 674 bt3c_info_t *info = link->priv; 675 676 bt3c_release(link); 677 kfree(info); 678 } 679 680 static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) 681 { 682 int i; 683 684 i = pcmcia_get_tuple_data(handle, tuple); 685 if (i != CS_SUCCESS) 686 return i; 687 688 return pcmcia_parse_tuple(handle, tuple, parse); 689 } 690 691 static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) 692 { 693 if (pcmcia_get_first_tuple(handle, tuple) != CS_SUCCESS) 694 return CS_NO_MORE_ITEMS; 695 return get_tuple(handle, tuple, parse); 696 } 697 698 static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) 699 { 700 if (pcmcia_get_next_tuple(handle, tuple) != CS_SUCCESS) 701 return CS_NO_MORE_ITEMS; 702 return get_tuple(handle, tuple, parse); 703 } 704 705 static int bt3c_config(struct pcmcia_device *link) 706 { 707 static unsigned int base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; 708 bt3c_info_t *info = link->priv; 709 tuple_t tuple; 710 u_short buf[256]; 711 cisparse_t parse; 712 cistpl_cftable_entry_t *cf = &parse.cftable_entry; 713 int i, j, try; 714 715 /* First pass: look for a config entry that looks normal. */ 716 tuple.TupleData = (cisdata_t *)buf; 717 tuple.TupleOffset = 0; 718 tuple.TupleDataMax = 255; 719 tuple.Attributes = 0; 720 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 721 /* Two tries: without IO aliases, then with aliases */ 722 for (try = 0; try < 2; try++) { 723 i = first_tuple(link, &tuple, &parse); 724 while (i != CS_NO_MORE_ITEMS) { 725 if (i != CS_SUCCESS) 726 goto next_entry; 727 if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM)) 728 link->conf.Vpp = cf->vpp1.param[CISTPL_POWER_VNOM] / 10000; 729 if ((cf->io.nwin > 0) && (cf->io.win[0].len == 8) && (cf->io.win[0].base != 0)) { 730 link->conf.ConfigIndex = cf->index; 731 link->io.BasePort1 = cf->io.win[0].base; 732 link->io.IOAddrLines = (try == 0) ? 16 : cf->io.flags & CISTPL_IO_LINES_MASK; 733 i = pcmcia_request_io(link, &link->io); 734 if (i == CS_SUCCESS) 735 goto found_port; 736 } 737 next_entry: 738 i = next_tuple(link, &tuple, &parse); 739 } 740 } 741 742 /* Second pass: try to find an entry that isn't picky about 743 its base address, then try to grab any standard serial port 744 address, and finally try to get any free port. */ 745 i = first_tuple(link, &tuple, &parse); 746 while (i != CS_NO_MORE_ITEMS) { 747 if ((i == CS_SUCCESS) && (cf->io.nwin > 0) && ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) { 748 link->conf.ConfigIndex = cf->index; 749 for (j = 0; j < 5; j++) { 750 link->io.BasePort1 = base[j]; 751 link->io.IOAddrLines = base[j] ? 16 : 3; 752 i = pcmcia_request_io(link, &link->io); 753 if (i == CS_SUCCESS) 754 goto found_port; 755 } 756 } 757 i = next_tuple(link, &tuple, &parse); 758 } 759 760 found_port: 761 if (i != CS_SUCCESS) { 762 BT_ERR("No usable port range found"); 763 cs_error(link, RequestIO, i); 764 goto failed; 765 } 766 767 i = pcmcia_request_irq(link, &link->irq); 768 if (i != CS_SUCCESS) { 769 cs_error(link, RequestIRQ, i); 770 link->irq.AssignedIRQ = 0; 771 } 772 773 i = pcmcia_request_configuration(link, &link->conf); 774 if (i != CS_SUCCESS) { 775 cs_error(link, RequestConfiguration, i); 776 goto failed; 777 } 778 779 if (bt3c_open(info) != 0) 780 goto failed; 781 782 strcpy(info->node.dev_name, info->hdev->name); 783 link->dev_node = &info->node; 784 785 return 0; 786 787 failed: 788 bt3c_release(link); 789 return -ENODEV; 790 } 791 792 793 static void bt3c_release(struct pcmcia_device *link) 794 { 795 bt3c_info_t *info = link->priv; 796 797 bt3c_close(info); 798 799 pcmcia_disable_device(link); 800 } 801 802 803 static struct pcmcia_device_id bt3c_ids[] = { 804 PCMCIA_DEVICE_PROD_ID13("3COM", "Bluetooth PC Card", 0xefce0a31, 0xd4ce9b02), 805 PCMCIA_DEVICE_NULL 806 }; 807 MODULE_DEVICE_TABLE(pcmcia, bt3c_ids); 808 809 static struct pcmcia_driver bt3c_driver = { 810 .owner = THIS_MODULE, 811 .drv = { 812 .name = "bt3c_cs", 813 }, 814 .probe = bt3c_probe, 815 .remove = bt3c_detach, 816 .id_table = bt3c_ids, 817 }; 818 819 static int __init init_bt3c_cs(void) 820 { 821 return pcmcia_register_driver(&bt3c_driver); 822 } 823 824 825 static void __exit exit_bt3c_cs(void) 826 { 827 pcmcia_unregister_driver(&bt3c_driver); 828 } 829 830 module_init(init_bt3c_cs); 831 module_exit(exit_bt3c_cs); 832