blob: dec5980a1cd6811f79906b278ed09c0cf9d70c44 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070046#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
61MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
62MODULE_DESCRIPTION("Bluetooth driver for Nokia Connectivity Card DTL-1");
63MODULE_LICENSE("GPL");
64
65
66
67/* ======================== Local structures ======================== */
68
69
70typedef 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
90static void dtl1_config(dev_link_t *link);
91static void dtl1_release(dev_link_t *link);
92static int dtl1_event(event_t event, int priority, event_callback_args_t *args);
93
94static dev_info_t dev_info = "dtl1_cs";
95
96static dev_link_t *dtl1_attach(void);
97static void dtl1_detach(dev_link_t *);
98
99static 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
112typedef 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
125static 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
144static 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
193static 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
216static 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:
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700254 bt_cb(info->rx_skb)->pkt_type = nsh->type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255
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
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700265 switch (bt_cb(info->rx_skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266 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;
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700275 bt_cb(info->rx_skb)->pkt_type &= 0x0f;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700276 hci_recv_frame(info->rx_skb);
277 break;
278 default:
279 /* unknown packet */
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700280 BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281 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
301static 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
369static int dtl1_hci_open(struct hci_dev *hdev)
370{
371 set_bit(HCI_RUNNING, &(hdev->flags));
372
373 return 0;
374}
375
376
377static 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
388static 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
399static 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
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700413 switch (bt_cb(skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700414 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
449static void dtl1_hci_destruct(struct hci_dev *hdev)
450{
451}
452
453
454static 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
464static 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
535static 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
564static 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 */
Deepak Saxena089b1db2005-11-07 01:01:26 -0800572 info = kzalloc(sizeof(*info), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700573 if (!info)
574 return NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700575
576 link = &info->link;
577 link->priv = info;
578
579 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
580 link->io.NumPorts1 = 8;
581 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
582 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
583
584 link->irq.Handler = dtl1_interrupt;
585 link->irq.Instance = info;
586
587 link->conf.Attributes = CONF_ENABLE_IRQ;
588 link->conf.Vcc = 50;
589 link->conf.IntType = INT_MEMORY_AND_IO;
590
591 /* Register with Card Services */
592 link->next = dev_list;
593 dev_list = link;
594 client_reg.dev_info = &dev_info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700595 client_reg.Version = 0x0210;
596 client_reg.event_callback_args.client_data = link;
597
598 ret = pcmcia_register_client(&link->handle, &client_reg);
599 if (ret != CS_SUCCESS) {
600 cs_error(link->handle, RegisterClient, ret);
601 dtl1_detach(link);
602 return NULL;
603 }
604
605 return link;
606}
607
608
609static void dtl1_detach(dev_link_t *link)
610{
611 dtl1_info_t *info = link->priv;
612 dev_link_t **linkp;
613 int ret;
614
615 /* Locate device structure */
616 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
617 if (*linkp == link)
618 break;
619
620 if (*linkp == NULL)
621 return;
622
623 if (link->state & DEV_CONFIG)
624 dtl1_release(link);
625
626 if (link->handle) {
627 ret = pcmcia_deregister_client(link->handle);
628 if (ret != CS_SUCCESS)
629 cs_error(link->handle, DeregisterClient, ret);
630 }
631
632 /* Unlink device structure, free bits */
633 *linkp = link->next;
634
635 kfree(info);
636}
637
638static int get_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
639{
640 int i;
641
642 i = pcmcia_get_tuple_data(handle, tuple);
643 if (i != CS_SUCCESS)
644 return i;
645
646 return pcmcia_parse_tuple(handle, tuple, parse);
647}
648
649static int first_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
650{
651 if (pcmcia_get_first_tuple(handle, tuple) != CS_SUCCESS)
652 return CS_NO_MORE_ITEMS;
653 return get_tuple(handle, tuple, parse);
654}
655
656static int next_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
657{
658 if (pcmcia_get_next_tuple(handle, tuple) != CS_SUCCESS)
659 return CS_NO_MORE_ITEMS;
660 return get_tuple(handle, tuple, parse);
661}
662
663static void dtl1_config(dev_link_t *link)
664{
665 client_handle_t handle = link->handle;
666 dtl1_info_t *info = link->priv;
667 tuple_t tuple;
668 u_short buf[256];
669 cisparse_t parse;
670 cistpl_cftable_entry_t *cf = &parse.cftable_entry;
671 config_info_t config;
672 int i, last_ret, last_fn;
673
674 tuple.TupleData = (cisdata_t *)buf;
675 tuple.TupleOffset = 0;
676 tuple.TupleDataMax = 255;
677 tuple.Attributes = 0;
678
679 /* Get configuration register information */
680 tuple.DesiredTuple = CISTPL_CONFIG;
681 last_ret = first_tuple(handle, &tuple, &parse);
682 if (last_ret != CS_SUCCESS) {
683 last_fn = ParseTuple;
684 goto cs_failed;
685 }
686 link->conf.ConfigBase = parse.config.base;
687 link->conf.Present = parse.config.rmask[0];
688
689 /* Configure card */
690 link->state |= DEV_CONFIG;
691 i = pcmcia_get_configuration_info(handle, &config);
692 link->conf.Vcc = config.Vcc;
693
694 tuple.TupleData = (cisdata_t *)buf;
695 tuple.TupleOffset = 0;
696 tuple.TupleDataMax = 255;
697 tuple.Attributes = 0;
698 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
699
700 /* Look for a generic full-sized window */
701 link->io.NumPorts1 = 8;
702 i = first_tuple(handle, &tuple, &parse);
703 while (i != CS_NO_MORE_ITEMS) {
704 if ((i == CS_SUCCESS) && (cf->io.nwin == 1) && (cf->io.win[0].len > 8)) {
705 link->conf.ConfigIndex = cf->index;
706 link->io.BasePort1 = cf->io.win[0].base;
707 link->io.NumPorts1 = cf->io.win[0].len; /*yo */
708 link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK;
709 i = pcmcia_request_io(link->handle, &link->io);
710 if (i == CS_SUCCESS)
711 break;
712 }
713 i = next_tuple(handle, &tuple, &parse);
714 }
715
716 if (i != CS_SUCCESS) {
717 cs_error(link->handle, RequestIO, i);
718 goto failed;
719 }
720
721 i = pcmcia_request_irq(link->handle, &link->irq);
722 if (i != CS_SUCCESS) {
723 cs_error(link->handle, RequestIRQ, i);
724 link->irq.AssignedIRQ = 0;
725 }
726
727 i = pcmcia_request_configuration(link->handle, &link->conf);
728 if (i != CS_SUCCESS) {
729 cs_error(link->handle, RequestConfiguration, i);
730 goto failed;
731 }
732
733 if (dtl1_open(info) != 0)
734 goto failed;
735
736 strcpy(info->node.dev_name, info->hdev->name);
737 link->dev = &info->node;
738 link->state &= ~DEV_CONFIG_PENDING;
739
740 return;
741
742cs_failed:
743 cs_error(link->handle, last_fn, last_ret);
744
745failed:
746 dtl1_release(link);
747}
748
749
750static void dtl1_release(dev_link_t *link)
751{
752 dtl1_info_t *info = link->priv;
753
754 if (link->state & DEV_PRESENT)
755 dtl1_close(info);
756
757 link->dev = NULL;
758
759 pcmcia_release_configuration(link->handle);
760 pcmcia_release_io(link->handle, &link->io);
761 pcmcia_release_irq(link->handle, &link->irq);
762
763 link->state &= ~DEV_CONFIG;
764}
765
766
767static int dtl1_event(event_t event, int priority, event_callback_args_t *args)
768{
769 dev_link_t *link = args->client_data;
770 dtl1_info_t *info = link->priv;
771
772 switch (event) {
773 case CS_EVENT_CARD_REMOVAL:
774 link->state &= ~DEV_PRESENT;
775 if (link->state & DEV_CONFIG) {
776 dtl1_close(info);
777 dtl1_release(link);
778 }
779 break;
780 case CS_EVENT_CARD_INSERTION:
781 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
782 dtl1_config(link);
783 break;
784 case CS_EVENT_PM_SUSPEND:
785 link->state |= DEV_SUSPEND;
786 /* Fall through... */
787 case CS_EVENT_RESET_PHYSICAL:
788 if (link->state & DEV_CONFIG)
789 pcmcia_release_configuration(link->handle);
790 break;
791 case CS_EVENT_PM_RESUME:
792 link->state &= ~DEV_SUSPEND;
793 /* Fall through... */
794 case CS_EVENT_CARD_RESET:
795 if (DEV_OK(link))
796 pcmcia_request_configuration(link->handle, &link->conf);
797 break;
798 }
799
800 return 0;
801}
802
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700803static struct pcmcia_device_id dtl1_ids[] = {
804 PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-1", 0xe1bfdd64, 0xe168480d),
805 PCMCIA_DEVICE_PROD_ID12("Socket", "CF", 0xb38bcc2e, 0x44ebf863),
806 PCMCIA_DEVICE_NULL
807};
808MODULE_DEVICE_TABLE(pcmcia, dtl1_ids);
809
Linus Torvalds1da177e2005-04-16 15:20:36 -0700810static struct pcmcia_driver dtl1_driver = {
811 .owner = THIS_MODULE,
812 .drv = {
813 .name = "dtl1_cs",
814 },
815 .attach = dtl1_attach,
Dominik Brodowski1e212f32005-07-07 17:59:00 -0700816 .event = dtl1_event,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700817 .detach = dtl1_detach,
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700818 .id_table = dtl1_ids,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700819};
820
821static int __init init_dtl1_cs(void)
822{
823 return pcmcia_register_driver(&dtl1_driver);
824}
825
826
827static void __exit exit_dtl1_cs(void)
828{
829 pcmcia_unregister_driver(&dtl1_driver);
830 BUG_ON(dev_list != NULL);
831}
832
833module_init(init_dtl1_cs);
834module_exit(exit_dtl1_cs);