1 /* 2 * 3 * A driver for Nokia Connectivity Card DTL-1 devices 4 * 5 * Copyright (C) 2001-2002 Marcel Holtmann <marcel@holtmann.org> 6 * 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation; 11 * 12 * Software distributed under the License is distributed on an "AS 13 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 14 * implied. See the License for the specific language governing 15 * rights and limitations under the License. 16 * 17 * The initial developer of the original code is David A. Hinds 18 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 19 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 20 * 21 */ 22 23 #include <linux/config.h> 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/sched.h> 31 #include <linux/delay.h> 32 #include <linux/errno.h> 33 #include <linux/ptrace.h> 34 #include <linux/ioport.h> 35 #include <linux/spinlock.h> 36 #include <linux/moduleparam.h> 37 38 #include <linux/skbuff.h> 39 #include <linux/string.h> 40 #include <linux/serial.h> 41 #include <linux/serial_reg.h> 42 #include <linux/bitops.h> 43 #include <asm/system.h> 44 #include <asm/io.h> 45 46 #include <pcmcia/cs_types.h> 47 #include <pcmcia/cs.h> 48 #include <pcmcia/cistpl.h> 49 #include <pcmcia/ciscode.h> 50 #include <pcmcia/ds.h> 51 #include <pcmcia/cisreg.h> 52 53 #include <net/bluetooth/bluetooth.h> 54 #include <net/bluetooth/hci_core.h> 55 56 57 58 /* ======================== Module parameters ======================== */ 59 60 61 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 62 MODULE_DESCRIPTION("Bluetooth driver for Nokia Connectivity Card DTL-1"); 63 MODULE_LICENSE("GPL"); 64 65 66 67 /* ======================== Local structures ======================== */ 68 69 70 typedef struct dtl1_info_t { 71 dev_link_t link; 72 dev_node_t node; 73 74 struct hci_dev *hdev; 75 76 spinlock_t lock; /* For serializing operations */ 77 78 unsigned long flowmask; /* HCI flow mask */ 79 int ri_latch; 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 } dtl1_info_t; 88 89 90 static void dtl1_config(dev_link_t *link); 91 static void dtl1_release(dev_link_t *link); 92 static int dtl1_event(event_t event, int priority, event_callback_args_t *args); 93 94 static dev_info_t dev_info = "dtl1_cs"; 95 96 static dev_link_t *dtl1_attach(void); 97 static void dtl1_detach(dev_link_t *); 98 99 static dev_link_t *dev_list = NULL; 100 101 102 /* Transmit states */ 103 #define XMIT_SENDING 1 104 #define XMIT_WAKEUP 2 105 #define XMIT_WAITING 8 106 107 /* Receiver States */ 108 #define RECV_WAIT_NSH 0 109 #define RECV_WAIT_DATA 1 110 111 112 typedef struct { 113 u8 type; 114 u8 zero; 115 u16 len; 116 } __attribute__ ((packed)) nsh_t; /* Nokia Specific Header */ 117 118 #define NSHL 4 /* Nokia Specific Header Length */ 119 120 121 122 /* ======================== Interrupt handling ======================== */ 123 124 125 static int dtl1_write(unsigned int iobase, int fifo_size, __u8 *buf, int len) 126 { 127 int actual = 0; 128 129 /* Tx FIFO should be empty */ 130 if (!(inb(iobase + UART_LSR) & UART_LSR_THRE)) 131 return 0; 132 133 /* Fill FIFO with current frame */ 134 while ((fifo_size-- > 0) && (actual < len)) { 135 /* Transmit next byte */ 136 outb(buf[actual], iobase + UART_TX); 137 actual++; 138 } 139 140 return actual; 141 } 142 143 144 static void dtl1_write_wakeup(dtl1_info_t *info) 145 { 146 if (!info) { 147 BT_ERR("Unknown device"); 148 return; 149 } 150 151 if (test_bit(XMIT_WAITING, &(info->tx_state))) { 152 set_bit(XMIT_WAKEUP, &(info->tx_state)); 153 return; 154 } 155 156 if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) { 157 set_bit(XMIT_WAKEUP, &(info->tx_state)); 158 return; 159 } 160 161 do { 162 register unsigned int iobase = info->link.io.BasePort1; 163 register struct sk_buff *skb; 164 register int len; 165 166 clear_bit(XMIT_WAKEUP, &(info->tx_state)); 167 168 if (!(info->link.state & DEV_PRESENT)) 169 return; 170 171 if (!(skb = skb_dequeue(&(info->txq)))) 172 break; 173 174 /* Send frame */ 175 len = dtl1_write(iobase, 32, skb->data, skb->len); 176 177 if (len == skb->len) { 178 set_bit(XMIT_WAITING, &(info->tx_state)); 179 kfree_skb(skb); 180 } else { 181 skb_pull(skb, len); 182 skb_queue_head(&(info->txq), skb); 183 } 184 185 info->hdev->stat.byte_tx += len; 186 187 } while (test_bit(XMIT_WAKEUP, &(info->tx_state))); 188 189 clear_bit(XMIT_SENDING, &(info->tx_state)); 190 } 191 192 193 static void dtl1_control(dtl1_info_t *info, struct sk_buff *skb) 194 { 195 u8 flowmask = *(u8 *)skb->data; 196 int i; 197 198 printk(KERN_INFO "Bluetooth: Nokia control data ="); 199 for (i = 0; i < skb->len; i++) { 200 printk(" %02x", skb->data[i]); 201 } 202 printk("\n"); 203 204 /* transition to active state */ 205 if (((info->flowmask & 0x07) == 0) && ((flowmask & 0x07) != 0)) { 206 clear_bit(XMIT_WAITING, &(info->tx_state)); 207 dtl1_write_wakeup(info); 208 } 209 210 info->flowmask = flowmask; 211 212 kfree_skb(skb); 213 } 214 215 216 static void dtl1_receive(dtl1_info_t *info) 217 { 218 unsigned int iobase; 219 nsh_t *nsh; 220 int boguscount = 0; 221 222 if (!info) { 223 BT_ERR("Unknown device"); 224 return; 225 } 226 227 iobase = info->link.io.BasePort1; 228 229 do { 230 info->hdev->stat.byte_rx++; 231 232 /* Allocate packet */ 233 if (info->rx_skb == NULL) 234 if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) { 235 BT_ERR("Can't allocate mem for new packet"); 236 info->rx_state = RECV_WAIT_NSH; 237 info->rx_count = NSHL; 238 return; 239 } 240 241 *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX); 242 nsh = (nsh_t *)info->rx_skb->data; 243 244 info->rx_count--; 245 246 if (info->rx_count == 0) { 247 248 switch (info->rx_state) { 249 case RECV_WAIT_NSH: 250 info->rx_state = RECV_WAIT_DATA; 251 info->rx_count = nsh->len + (nsh->len & 0x0001); 252 break; 253 case RECV_WAIT_DATA: 254 bt_cb(info->rx_skb)->pkt_type = nsh->type; 255 256 /* remove PAD byte if it exists */ 257 if (nsh->len & 0x0001) { 258 info->rx_skb->tail--; 259 info->rx_skb->len--; 260 } 261 262 /* remove NSH */ 263 skb_pull(info->rx_skb, NSHL); 264 265 switch (bt_cb(info->rx_skb)->pkt_type) { 266 case 0x80: 267 /* control data for the Nokia Card */ 268 dtl1_control(info, info->rx_skb); 269 break; 270 case 0x82: 271 case 0x83: 272 case 0x84: 273 /* send frame to the HCI layer */ 274 info->rx_skb->dev = (void *) info->hdev; 275 bt_cb(info->rx_skb)->pkt_type &= 0x0f; 276 hci_recv_frame(info->rx_skb); 277 break; 278 default: 279 /* unknown packet */ 280 BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type); 281 kfree_skb(info->rx_skb); 282 break; 283 } 284 285 info->rx_state = RECV_WAIT_NSH; 286 info->rx_count = NSHL; 287 info->rx_skb = NULL; 288 break; 289 } 290 291 } 292 293 /* Make sure we don't stay here too long */ 294 if (boguscount++ > 32) 295 break; 296 297 } while (inb(iobase + UART_LSR) & UART_LSR_DR); 298 } 299 300 301 static irqreturn_t dtl1_interrupt(int irq, void *dev_inst, struct pt_regs *regs) 302 { 303 dtl1_info_t *info = dev_inst; 304 unsigned int iobase; 305 unsigned char msr; 306 int boguscount = 0; 307 int iir, lsr; 308 309 if (!info || !info->hdev) { 310 BT_ERR("Call of irq %d for unknown device", irq); 311 return IRQ_NONE; 312 } 313 314 iobase = info->link.io.BasePort1; 315 316 spin_lock(&(info->lock)); 317 318 iir = inb(iobase + UART_IIR) & UART_IIR_ID; 319 while (iir) { 320 321 /* Clear interrupt */ 322 lsr = inb(iobase + UART_LSR); 323 324 switch (iir) { 325 case UART_IIR_RLSI: 326 BT_ERR("RLSI"); 327 break; 328 case UART_IIR_RDI: 329 /* Receive interrupt */ 330 dtl1_receive(info); 331 break; 332 case UART_IIR_THRI: 333 if (lsr & UART_LSR_THRE) { 334 /* Transmitter ready for data */ 335 dtl1_write_wakeup(info); 336 } 337 break; 338 default: 339 BT_ERR("Unhandled IIR=%#x", iir); 340 break; 341 } 342 343 /* Make sure we don't stay here too long */ 344 if (boguscount++ > 100) 345 break; 346 347 iir = inb(iobase + UART_IIR) & UART_IIR_ID; 348 349 } 350 351 msr = inb(iobase + UART_MSR); 352 353 if (info->ri_latch ^ (msr & UART_MSR_RI)) { 354 info->ri_latch = msr & UART_MSR_RI; 355 clear_bit(XMIT_WAITING, &(info->tx_state)); 356 dtl1_write_wakeup(info); 357 } 358 359 spin_unlock(&(info->lock)); 360 361 return IRQ_HANDLED; 362 } 363 364 365 366 /* ======================== HCI interface ======================== */ 367 368 369 static int dtl1_hci_open(struct hci_dev *hdev) 370 { 371 set_bit(HCI_RUNNING, &(hdev->flags)); 372 373 return 0; 374 } 375 376 377 static int dtl1_hci_flush(struct hci_dev *hdev) 378 { 379 dtl1_info_t *info = (dtl1_info_t *)(hdev->driver_data); 380 381 /* Drop TX queue */ 382 skb_queue_purge(&(info->txq)); 383 384 return 0; 385 } 386 387 388 static int dtl1_hci_close(struct hci_dev *hdev) 389 { 390 if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags))) 391 return 0; 392 393 dtl1_hci_flush(hdev); 394 395 return 0; 396 } 397 398 399 static int dtl1_hci_send_frame(struct sk_buff *skb) 400 { 401 dtl1_info_t *info; 402 struct hci_dev *hdev = (struct hci_dev *)(skb->dev); 403 struct sk_buff *s; 404 nsh_t nsh; 405 406 if (!hdev) { 407 BT_ERR("Frame for unknown HCI device (hdev=NULL)"); 408 return -ENODEV; 409 } 410 411 info = (dtl1_info_t *)(hdev->driver_data); 412 413 switch (bt_cb(skb)->pkt_type) { 414 case HCI_COMMAND_PKT: 415 hdev->stat.cmd_tx++; 416 nsh.type = 0x81; 417 break; 418 case HCI_ACLDATA_PKT: 419 hdev->stat.acl_tx++; 420 nsh.type = 0x82; 421 break; 422 case HCI_SCODATA_PKT: 423 hdev->stat.sco_tx++; 424 nsh.type = 0x83; 425 break; 426 }; 427 428 nsh.zero = 0; 429 nsh.len = skb->len; 430 431 s = bt_skb_alloc(NSHL + skb->len + 1, GFP_ATOMIC); 432 skb_reserve(s, NSHL); 433 memcpy(skb_put(s, skb->len), skb->data, skb->len); 434 if (skb->len & 0x0001) 435 *skb_put(s, 1) = 0; /* PAD */ 436 437 /* Prepend skb with Nokia frame header and queue */ 438 memcpy(skb_push(s, NSHL), &nsh, NSHL); 439 skb_queue_tail(&(info->txq), s); 440 441 dtl1_write_wakeup(info); 442 443 kfree_skb(skb); 444 445 return 0; 446 } 447 448 449 static void dtl1_hci_destruct(struct hci_dev *hdev) 450 { 451 } 452 453 454 static int dtl1_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) 455 { 456 return -ENOIOCTLCMD; 457 } 458 459 460 461 /* ======================== Card services HCI interaction ======================== */ 462 463 464 static int dtl1_open(dtl1_info_t *info) 465 { 466 unsigned long flags; 467 unsigned int iobase = info->link.io.BasePort1; 468 struct hci_dev *hdev; 469 470 spin_lock_init(&(info->lock)); 471 472 skb_queue_head_init(&(info->txq)); 473 474 info->rx_state = RECV_WAIT_NSH; 475 info->rx_count = NSHL; 476 info->rx_skb = NULL; 477 478 set_bit(XMIT_WAITING, &(info->tx_state)); 479 480 /* Initialize HCI device */ 481 hdev = hci_alloc_dev(); 482 if (!hdev) { 483 BT_ERR("Can't allocate HCI device"); 484 return -ENOMEM; 485 } 486 487 info->hdev = hdev; 488 489 hdev->type = HCI_PCCARD; 490 hdev->driver_data = info; 491 492 hdev->open = dtl1_hci_open; 493 hdev->close = dtl1_hci_close; 494 hdev->flush = dtl1_hci_flush; 495 hdev->send = dtl1_hci_send_frame; 496 hdev->destruct = dtl1_hci_destruct; 497 hdev->ioctl = dtl1_hci_ioctl; 498 499 hdev->owner = THIS_MODULE; 500 501 spin_lock_irqsave(&(info->lock), flags); 502 503 /* Reset UART */ 504 outb(0, iobase + UART_MCR); 505 506 /* Turn off interrupts */ 507 outb(0, iobase + UART_IER); 508 509 /* Initialize UART */ 510 outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */ 511 outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR); 512 513 info->ri_latch = inb(info->link.io.BasePort1 + UART_MSR) & UART_MSR_RI; 514 515 /* Turn on interrupts */ 516 outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER); 517 518 spin_unlock_irqrestore(&(info->lock), flags); 519 520 /* Timeout before it is safe to send the first HCI packet */ 521 msleep(2000); 522 523 /* Register HCI device */ 524 if (hci_register_dev(hdev) < 0) { 525 BT_ERR("Can't register HCI device"); 526 info->hdev = NULL; 527 hci_free_dev(hdev); 528 return -ENODEV; 529 } 530 531 return 0; 532 } 533 534 535 static int dtl1_close(dtl1_info_t *info) 536 { 537 unsigned long flags; 538 unsigned int iobase = info->link.io.BasePort1; 539 struct hci_dev *hdev = info->hdev; 540 541 if (!hdev) 542 return -ENODEV; 543 544 dtl1_hci_close(hdev); 545 546 spin_lock_irqsave(&(info->lock), flags); 547 548 /* Reset UART */ 549 outb(0, iobase + UART_MCR); 550 551 /* Turn off interrupts */ 552 outb(0, iobase + UART_IER); 553 554 spin_unlock_irqrestore(&(info->lock), flags); 555 556 if (hci_unregister_dev(hdev) < 0) 557 BT_ERR("Can't unregister HCI device %s", hdev->name); 558 559 hci_free_dev(hdev); 560 561 return 0; 562 } 563 564 static dev_link_t *dtl1_attach(void) 565 { 566 dtl1_info_t *info; 567 client_reg_t client_reg; 568 dev_link_t *link; 569 int ret; 570 571 /* Create new info device */ 572 info = kmalloc(sizeof(*info), GFP_KERNEL); 573 if (!info) 574 return NULL; 575 memset(info, 0, sizeof(*info)); 576 577 link = &info->link; 578 link->priv = info; 579 580 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 581 link->io.NumPorts1 = 8; 582 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; 583 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 584 585 link->irq.Handler = dtl1_interrupt; 586 link->irq.Instance = info; 587 588 link->conf.Attributes = CONF_ENABLE_IRQ; 589 link->conf.Vcc = 50; 590 link->conf.IntType = INT_MEMORY_AND_IO; 591 592 /* Register with Card Services */ 593 link->next = dev_list; 594 dev_list = link; 595 client_reg.dev_info = &dev_info; 596 client_reg.Version = 0x0210; 597 client_reg.event_callback_args.client_data = link; 598 599 ret = pcmcia_register_client(&link->handle, &client_reg); 600 if (ret != CS_SUCCESS) { 601 cs_error(link->handle, RegisterClient, ret); 602 dtl1_detach(link); 603 return NULL; 604 } 605 606 return link; 607 } 608 609 610 static void dtl1_detach(dev_link_t *link) 611 { 612 dtl1_info_t *info = link->priv; 613 dev_link_t **linkp; 614 int ret; 615 616 /* Locate device structure */ 617 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) 618 if (*linkp == link) 619 break; 620 621 if (*linkp == NULL) 622 return; 623 624 if (link->state & DEV_CONFIG) 625 dtl1_release(link); 626 627 if (link->handle) { 628 ret = pcmcia_deregister_client(link->handle); 629 if (ret != CS_SUCCESS) 630 cs_error(link->handle, DeregisterClient, ret); 631 } 632 633 /* Unlink device structure, free bits */ 634 *linkp = link->next; 635 636 kfree(info); 637 } 638 639 static int get_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse) 640 { 641 int i; 642 643 i = pcmcia_get_tuple_data(handle, tuple); 644 if (i != CS_SUCCESS) 645 return i; 646 647 return pcmcia_parse_tuple(handle, tuple, parse); 648 } 649 650 static int first_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse) 651 { 652 if (pcmcia_get_first_tuple(handle, tuple) != CS_SUCCESS) 653 return CS_NO_MORE_ITEMS; 654 return get_tuple(handle, tuple, parse); 655 } 656 657 static int next_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse) 658 { 659 if (pcmcia_get_next_tuple(handle, tuple) != CS_SUCCESS) 660 return CS_NO_MORE_ITEMS; 661 return get_tuple(handle, tuple, parse); 662 } 663 664 static void dtl1_config(dev_link_t *link) 665 { 666 client_handle_t handle = link->handle; 667 dtl1_info_t *info = link->priv; 668 tuple_t tuple; 669 u_short buf[256]; 670 cisparse_t parse; 671 cistpl_cftable_entry_t *cf = &parse.cftable_entry; 672 config_info_t config; 673 int i, last_ret, last_fn; 674 675 tuple.TupleData = (cisdata_t *)buf; 676 tuple.TupleOffset = 0; 677 tuple.TupleDataMax = 255; 678 tuple.Attributes = 0; 679 680 /* Get configuration register information */ 681 tuple.DesiredTuple = CISTPL_CONFIG; 682 last_ret = first_tuple(handle, &tuple, &parse); 683 if (last_ret != CS_SUCCESS) { 684 last_fn = ParseTuple; 685 goto cs_failed; 686 } 687 link->conf.ConfigBase = parse.config.base; 688 link->conf.Present = parse.config.rmask[0]; 689 690 /* Configure card */ 691 link->state |= DEV_CONFIG; 692 i = pcmcia_get_configuration_info(handle, &config); 693 link->conf.Vcc = config.Vcc; 694 695 tuple.TupleData = (cisdata_t *)buf; 696 tuple.TupleOffset = 0; 697 tuple.TupleDataMax = 255; 698 tuple.Attributes = 0; 699 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 700 701 /* Look for a generic full-sized window */ 702 link->io.NumPorts1 = 8; 703 i = first_tuple(handle, &tuple, &parse); 704 while (i != CS_NO_MORE_ITEMS) { 705 if ((i == CS_SUCCESS) && (cf->io.nwin == 1) && (cf->io.win[0].len > 8)) { 706 link->conf.ConfigIndex = cf->index; 707 link->io.BasePort1 = cf->io.win[0].base; 708 link->io.NumPorts1 = cf->io.win[0].len; /*yo */ 709 link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK; 710 i = pcmcia_request_io(link->handle, &link->io); 711 if (i == CS_SUCCESS) 712 break; 713 } 714 i = next_tuple(handle, &tuple, &parse); 715 } 716 717 if (i != CS_SUCCESS) { 718 cs_error(link->handle, RequestIO, i); 719 goto failed; 720 } 721 722 i = pcmcia_request_irq(link->handle, &link->irq); 723 if (i != CS_SUCCESS) { 724 cs_error(link->handle, RequestIRQ, i); 725 link->irq.AssignedIRQ = 0; 726 } 727 728 i = pcmcia_request_configuration(link->handle, &link->conf); 729 if (i != CS_SUCCESS) { 730 cs_error(link->handle, RequestConfiguration, i); 731 goto failed; 732 } 733 734 if (dtl1_open(info) != 0) 735 goto failed; 736 737 strcpy(info->node.dev_name, info->hdev->name); 738 link->dev = &info->node; 739 link->state &= ~DEV_CONFIG_PENDING; 740 741 return; 742 743 cs_failed: 744 cs_error(link->handle, last_fn, last_ret); 745 746 failed: 747 dtl1_release(link); 748 } 749 750 751 static void dtl1_release(dev_link_t *link) 752 { 753 dtl1_info_t *info = link->priv; 754 755 if (link->state & DEV_PRESENT) 756 dtl1_close(info); 757 758 link->dev = NULL; 759 760 pcmcia_release_configuration(link->handle); 761 pcmcia_release_io(link->handle, &link->io); 762 pcmcia_release_irq(link->handle, &link->irq); 763 764 link->state &= ~DEV_CONFIG; 765 } 766 767 768 static int dtl1_event(event_t event, int priority, event_callback_args_t *args) 769 { 770 dev_link_t *link = args->client_data; 771 dtl1_info_t *info = link->priv; 772 773 switch (event) { 774 case CS_EVENT_CARD_REMOVAL: 775 link->state &= ~DEV_PRESENT; 776 if (link->state & DEV_CONFIG) { 777 dtl1_close(info); 778 dtl1_release(link); 779 } 780 break; 781 case CS_EVENT_CARD_INSERTION: 782 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; 783 dtl1_config(link); 784 break; 785 case CS_EVENT_PM_SUSPEND: 786 link->state |= DEV_SUSPEND; 787 /* Fall through... */ 788 case CS_EVENT_RESET_PHYSICAL: 789 if (link->state & DEV_CONFIG) 790 pcmcia_release_configuration(link->handle); 791 break; 792 case CS_EVENT_PM_RESUME: 793 link->state &= ~DEV_SUSPEND; 794 /* Fall through... */ 795 case CS_EVENT_CARD_RESET: 796 if (DEV_OK(link)) 797 pcmcia_request_configuration(link->handle, &link->conf); 798 break; 799 } 800 801 return 0; 802 } 803 804 static struct pcmcia_device_id dtl1_ids[] = { 805 PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-1", 0xe1bfdd64, 0xe168480d), 806 PCMCIA_DEVICE_PROD_ID12("Socket", "CF", 0xb38bcc2e, 0x44ebf863), 807 PCMCIA_DEVICE_NULL 808 }; 809 MODULE_DEVICE_TABLE(pcmcia, dtl1_ids); 810 811 static struct pcmcia_driver dtl1_driver = { 812 .owner = THIS_MODULE, 813 .drv = { 814 .name = "dtl1_cs", 815 }, 816 .attach = dtl1_attach, 817 .event = dtl1_event, 818 .detach = dtl1_detach, 819 .id_table = dtl1_ids, 820 }; 821 822 static int __init init_dtl1_cs(void) 823 { 824 return pcmcia_register_driver(&dtl1_driver); 825 } 826 827 828 static void __exit exit_dtl1_cs(void) 829 { 830 pcmcia_unregister_driver(&dtl1_driver); 831 BUG_ON(dev_list != NULL); 832 } 833 834 module_init(init_dtl1_cs); 835 module_exit(exit_dtl1_cs); 836