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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
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include <linux/module.h>
24
25#include <linux/kernel.h>
26#include <linux/init.h>
27#include <linux/slab.h>
28#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#include <linux/delay.h>
30#include <linux/errno.h>
31#include <linux/ptrace.h>
32#include <linux/ioport.h>
33#include <linux/spinlock.h>
34#include <linux/moduleparam.h>
35
36#include <linux/skbuff.h>
37#include <linux/string.h>
38#include <linux/serial.h>
39#include <linux/serial_reg.h>
40#include <linux/bitops.h>
41#include <asm/system.h>
42#include <asm/io.h>
43
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#include <pcmcia/cs.h>
45#include <pcmcia/cistpl.h>
46#include <pcmcia/ciscode.h>
47#include <pcmcia/ds.h>
48#include <pcmcia/cisreg.h>
49
50#include <net/bluetooth/bluetooth.h>
51#include <net/bluetooth/hci_core.h>
52
53
54
55/* ======================== Module parameters ======================== */
56
57
58MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
59MODULE_DESCRIPTION("Bluetooth driver for Nokia Connectivity Card DTL-1");
60MODULE_LICENSE("GPL");
61
62
63
64/* ======================== Local structures ======================== */
65
66
67typedef struct dtl1_info_t {
Dominik Brodowskifd238232006-03-05 10:45:09 +010068 struct pcmcia_device *p_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
70 struct hci_dev *hdev;
71
72 spinlock_t lock; /* For serializing operations */
73
74 unsigned long flowmask; /* HCI flow mask */
75 int ri_latch;
76
77 struct sk_buff_head txq;
78 unsigned long tx_state;
79
80 unsigned long rx_state;
81 unsigned long rx_count;
82 struct sk_buff *rx_skb;
83} dtl1_info_t;
84
85
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020086static int dtl1_config(struct pcmcia_device *link);
Dominik Brodowskifba395e2006-03-31 17:21:06 +020087static void dtl1_release(struct pcmcia_device *link);
Linus Torvalds1da177e2005-04-16 15:20:36 -070088
Dominik Brodowskicc3b4862005-11-14 21:23:14 +010089static void dtl1_detach(struct pcmcia_device *p_dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070090
Linus Torvalds1da177e2005-04-16 15:20:36 -070091
92/* Transmit states */
93#define XMIT_SENDING 1
94#define XMIT_WAKEUP 2
95#define XMIT_WAITING 8
96
97/* Receiver States */
98#define RECV_WAIT_NSH 0
99#define RECV_WAIT_DATA 1
100
101
102typedef struct {
103 u8 type;
104 u8 zero;
105 u16 len;
106} __attribute__ ((packed)) nsh_t; /* Nokia Specific Header */
107
108#define NSHL 4 /* Nokia Specific Header Length */
109
110
111
112/* ======================== Interrupt handling ======================== */
113
114
115static int dtl1_write(unsigned int iobase, int fifo_size, __u8 *buf, int len)
116{
117 int actual = 0;
118
119 /* Tx FIFO should be empty */
120 if (!(inb(iobase + UART_LSR) & UART_LSR_THRE))
121 return 0;
122
123 /* Fill FIFO with current frame */
124 while ((fifo_size-- > 0) && (actual < len)) {
125 /* Transmit next byte */
126 outb(buf[actual], iobase + UART_TX);
127 actual++;
128 }
129
130 return actual;
131}
132
133
134static void dtl1_write_wakeup(dtl1_info_t *info)
135{
136 if (!info) {
137 BT_ERR("Unknown device");
138 return;
139 }
140
141 if (test_bit(XMIT_WAITING, &(info->tx_state))) {
142 set_bit(XMIT_WAKEUP, &(info->tx_state));
143 return;
144 }
145
146 if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) {
147 set_bit(XMIT_WAKEUP, &(info->tx_state));
148 return;
149 }
150
151 do {
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200152 register unsigned int iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153 register struct sk_buff *skb;
154 register int len;
155
156 clear_bit(XMIT_WAKEUP, &(info->tx_state));
157
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100158 if (!pcmcia_dev_present(info->p_dev))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159 return;
160
161 if (!(skb = skb_dequeue(&(info->txq))))
162 break;
163
164 /* Send frame */
165 len = dtl1_write(iobase, 32, skb->data, skb->len);
166
167 if (len == skb->len) {
168 set_bit(XMIT_WAITING, &(info->tx_state));
169 kfree_skb(skb);
170 } else {
171 skb_pull(skb, len);
172 skb_queue_head(&(info->txq), skb);
173 }
174
175 info->hdev->stat.byte_tx += len;
176
177 } while (test_bit(XMIT_WAKEUP, &(info->tx_state)));
178
179 clear_bit(XMIT_SENDING, &(info->tx_state));
180}
181
182
183static void dtl1_control(dtl1_info_t *info, struct sk_buff *skb)
184{
185 u8 flowmask = *(u8 *)skb->data;
186 int i;
187
188 printk(KERN_INFO "Bluetooth: Nokia control data =");
189 for (i = 0; i < skb->len; i++) {
190 printk(" %02x", skb->data[i]);
191 }
192 printk("\n");
193
194 /* transition to active state */
195 if (((info->flowmask & 0x07) == 0) && ((flowmask & 0x07) != 0)) {
196 clear_bit(XMIT_WAITING, &(info->tx_state));
197 dtl1_write_wakeup(info);
198 }
199
200 info->flowmask = flowmask;
201
202 kfree_skb(skb);
203}
204
205
206static void dtl1_receive(dtl1_info_t *info)
207{
208 unsigned int iobase;
209 nsh_t *nsh;
210 int boguscount = 0;
211
212 if (!info) {
213 BT_ERR("Unknown device");
214 return;
215 }
216
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200217 iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218
219 do {
220 info->hdev->stat.byte_rx++;
221
222 /* Allocate packet */
223 if (info->rx_skb == NULL)
224 if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) {
225 BT_ERR("Can't allocate mem for new packet");
226 info->rx_state = RECV_WAIT_NSH;
227 info->rx_count = NSHL;
228 return;
229 }
230
231 *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
232 nsh = (nsh_t *)info->rx_skb->data;
233
234 info->rx_count--;
235
236 if (info->rx_count == 0) {
237
238 switch (info->rx_state) {
239 case RECV_WAIT_NSH:
240 info->rx_state = RECV_WAIT_DATA;
241 info->rx_count = nsh->len + (nsh->len & 0x0001);
242 break;
243 case RECV_WAIT_DATA:
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700244 bt_cb(info->rx_skb)->pkt_type = nsh->type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245
246 /* remove PAD byte if it exists */
247 if (nsh->len & 0x0001) {
248 info->rx_skb->tail--;
249 info->rx_skb->len--;
250 }
251
252 /* remove NSH */
253 skb_pull(info->rx_skb, NSHL);
254
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700255 switch (bt_cb(info->rx_skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256 case 0x80:
257 /* control data for the Nokia Card */
258 dtl1_control(info, info->rx_skb);
259 break;
260 case 0x82:
261 case 0x83:
262 case 0x84:
263 /* send frame to the HCI layer */
264 info->rx_skb->dev = (void *) info->hdev;
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700265 bt_cb(info->rx_skb)->pkt_type &= 0x0f;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266 hci_recv_frame(info->rx_skb);
267 break;
268 default:
269 /* unknown packet */
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700270 BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271 kfree_skb(info->rx_skb);
272 break;
273 }
274
275 info->rx_state = RECV_WAIT_NSH;
276 info->rx_count = NSHL;
277 info->rx_skb = NULL;
278 break;
279 }
280
281 }
282
283 /* Make sure we don't stay here too long */
284 if (boguscount++ > 32)
285 break;
286
287 } while (inb(iobase + UART_LSR) & UART_LSR_DR);
288}
289
290
David Howells7d12e782006-10-05 14:55:46 +0100291static irqreturn_t dtl1_interrupt(int irq, void *dev_inst)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292{
293 dtl1_info_t *info = dev_inst;
294 unsigned int iobase;
295 unsigned char msr;
296 int boguscount = 0;
297 int iir, lsr;
Alan Coxaafcf992008-10-05 17:35:41 +0100298 irqreturn_t r = IRQ_NONE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700299
Mike Frysinger74278472009-09-14 13:43:49 -0400300 if (!info || !info->hdev)
301 /* our irq handler is shared */
302 return IRQ_NONE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200304 iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305
306 spin_lock(&(info->lock));
307
308 iir = inb(iobase + UART_IIR) & UART_IIR_ID;
309 while (iir) {
310
Alan Coxaafcf992008-10-05 17:35:41 +0100311 r = IRQ_HANDLED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312 /* Clear interrupt */
313 lsr = inb(iobase + UART_LSR);
314
315 switch (iir) {
316 case UART_IIR_RLSI:
317 BT_ERR("RLSI");
318 break;
319 case UART_IIR_RDI:
320 /* Receive interrupt */
321 dtl1_receive(info);
322 break;
323 case UART_IIR_THRI:
324 if (lsr & UART_LSR_THRE) {
325 /* Transmitter ready for data */
326 dtl1_write_wakeup(info);
327 }
328 break;
329 default:
330 BT_ERR("Unhandled IIR=%#x", iir);
331 break;
332 }
333
334 /* Make sure we don't stay here too long */
335 if (boguscount++ > 100)
336 break;
337
338 iir = inb(iobase + UART_IIR) & UART_IIR_ID;
339
340 }
341
342 msr = inb(iobase + UART_MSR);
343
344 if (info->ri_latch ^ (msr & UART_MSR_RI)) {
345 info->ri_latch = msr & UART_MSR_RI;
346 clear_bit(XMIT_WAITING, &(info->tx_state));
347 dtl1_write_wakeup(info);
Alan Coxaafcf992008-10-05 17:35:41 +0100348 r = IRQ_HANDLED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349 }
350
351 spin_unlock(&(info->lock));
352
Alan Coxaafcf992008-10-05 17:35:41 +0100353 return r;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354}
355
356
357
358/* ======================== HCI interface ======================== */
359
360
361static int dtl1_hci_open(struct hci_dev *hdev)
362{
363 set_bit(HCI_RUNNING, &(hdev->flags));
364
365 return 0;
366}
367
368
369static int dtl1_hci_flush(struct hci_dev *hdev)
370{
371 dtl1_info_t *info = (dtl1_info_t *)(hdev->driver_data);
372
373 /* Drop TX queue */
374 skb_queue_purge(&(info->txq));
375
376 return 0;
377}
378
379
380static int dtl1_hci_close(struct hci_dev *hdev)
381{
382 if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
383 return 0;
384
385 dtl1_hci_flush(hdev);
386
387 return 0;
388}
389
390
391static int dtl1_hci_send_frame(struct sk_buff *skb)
392{
393 dtl1_info_t *info;
394 struct hci_dev *hdev = (struct hci_dev *)(skb->dev);
395 struct sk_buff *s;
396 nsh_t nsh;
397
398 if (!hdev) {
399 BT_ERR("Frame for unknown HCI device (hdev=NULL)");
400 return -ENODEV;
401 }
402
403 info = (dtl1_info_t *)(hdev->driver_data);
404
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700405 switch (bt_cb(skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700406 case HCI_COMMAND_PKT:
407 hdev->stat.cmd_tx++;
408 nsh.type = 0x81;
409 break;
410 case HCI_ACLDATA_PKT:
411 hdev->stat.acl_tx++;
412 nsh.type = 0x82;
413 break;
414 case HCI_SCODATA_PKT:
415 hdev->stat.sco_tx++;
416 nsh.type = 0x83;
417 break;
Marcel Holtmann3c4bdc42009-06-14 15:24:44 +0200418 default:
419 return -EILSEQ;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420 };
421
422 nsh.zero = 0;
423 nsh.len = skb->len;
424
425 s = bt_skb_alloc(NSHL + skb->len + 1, GFP_ATOMIC);
Jesper Juhl57136ca2006-06-26 00:24:33 -0700426 if (!s)
427 return -ENOMEM;
428
Linus Torvalds1da177e2005-04-16 15:20:36 -0700429 skb_reserve(s, NSHL);
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -0300430 skb_copy_from_linear_data(skb, skb_put(s, skb->len), skb->len);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431 if (skb->len & 0x0001)
432 *skb_put(s, 1) = 0; /* PAD */
433
434 /* Prepend skb with Nokia frame header and queue */
435 memcpy(skb_push(s, NSHL), &nsh, NSHL);
436 skb_queue_tail(&(info->txq), s);
437
438 dtl1_write_wakeup(info);
439
440 kfree_skb(skb);
441
442 return 0;
443}
444
445
446static void dtl1_hci_destruct(struct hci_dev *hdev)
447{
448}
449
450
451static int dtl1_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg)
452{
453 return -ENOIOCTLCMD;
454}
455
456
457
458/* ======================== Card services HCI interaction ======================== */
459
460
461static int dtl1_open(dtl1_info_t *info)
462{
463 unsigned long flags;
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200464 unsigned int iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465 struct hci_dev *hdev;
466
467 spin_lock_init(&(info->lock));
468
469 skb_queue_head_init(&(info->txq));
470
471 info->rx_state = RECV_WAIT_NSH;
472 info->rx_count = NSHL;
473 info->rx_skb = NULL;
474
475 set_bit(XMIT_WAITING, &(info->tx_state));
476
477 /* Initialize HCI device */
478 hdev = hci_alloc_dev();
479 if (!hdev) {
480 BT_ERR("Can't allocate HCI device");
481 return -ENOMEM;
482 }
483
484 info->hdev = hdev;
485
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100486 hdev->bus = HCI_PCCARD;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487 hdev->driver_data = info;
Marcel Holtmann27d35282006-07-03 10:02:37 +0200488 SET_HCIDEV_DEV(hdev, &info->p_dev->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700489
490 hdev->open = dtl1_hci_open;
491 hdev->close = dtl1_hci_close;
492 hdev->flush = dtl1_hci_flush;
493 hdev->send = dtl1_hci_send_frame;
494 hdev->destruct = dtl1_hci_destruct;
495 hdev->ioctl = dtl1_hci_ioctl;
496
497 hdev->owner = THIS_MODULE;
498
499 spin_lock_irqsave(&(info->lock), flags);
500
501 /* Reset UART */
502 outb(0, iobase + UART_MCR);
503
504 /* Turn off interrupts */
505 outb(0, iobase + UART_IER);
506
507 /* Initialize UART */
508 outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */
509 outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR);
510
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200511 info->ri_latch = inb(info->p_dev->resource[0]->start + UART_MSR)
512 & UART_MSR_RI;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513
514 /* Turn on interrupts */
515 outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER);
516
517 spin_unlock_irqrestore(&(info->lock), flags);
518
519 /* Timeout before it is safe to send the first HCI packet */
520 msleep(2000);
521
522 /* Register HCI device */
523 if (hci_register_dev(hdev) < 0) {
524 BT_ERR("Can't register HCI device");
525 info->hdev = NULL;
526 hci_free_dev(hdev);
527 return -ENODEV;
528 }
529
530 return 0;
531}
532
533
534static int dtl1_close(dtl1_info_t *info)
535{
536 unsigned long flags;
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200537 unsigned int iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538 struct hci_dev *hdev = info->hdev;
539
540 if (!hdev)
541 return -ENODEV;
542
543 dtl1_hci_close(hdev);
544
545 spin_lock_irqsave(&(info->lock), flags);
546
547 /* Reset UART */
548 outb(0, iobase + UART_MCR);
549
550 /* Turn off interrupts */
551 outb(0, iobase + UART_IER);
552
553 spin_unlock_irqrestore(&(info->lock), flags);
554
555 if (hci_unregister_dev(hdev) < 0)
556 BT_ERR("Can't unregister HCI device %s", hdev->name);
557
558 hci_free_dev(hdev);
559
560 return 0;
561}
562
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200563static int dtl1_probe(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700564{
565 dtl1_info_t *info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700566
567 /* Create new info device */
Deepak Saxena089b1db2005-11-07 01:01:26 -0800568 info = kzalloc(sizeof(*info), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700569 if (!info)
Dominik Brodowskif8cfa612005-11-14 21:25:51 +0100570 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700571
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200572 info->p_dev = link;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700573 link->priv = info;
574
575 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
576 link->io.NumPorts1 = 8;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700577
578 link->conf.Attributes = CONF_ENABLE_IRQ;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700579 link->conf.IntType = INT_MEMORY_AND_IO;
580
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200581 return dtl1_config(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582}
583
584
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200585static void dtl1_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586{
587 dtl1_info_t *info = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700588
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100589 dtl1_release(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590
Linus Torvalds1da177e2005-04-16 15:20:36 -0700591 kfree(info);
592}
593
Dominik Brodowskied588722008-07-29 08:38:55 +0200594static int dtl1_confcheck(struct pcmcia_device *p_dev,
595 cistpl_cftable_entry_t *cf,
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200596 cistpl_cftable_entry_t *dflt,
Dominik Brodowskiad913c12008-08-02 16:12:00 +0200597 unsigned int vcc,
Dominik Brodowskied588722008-07-29 08:38:55 +0200598 void *priv_data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700599{
Dominik Brodowskied588722008-07-29 08:38:55 +0200600 if ((cf->io.nwin == 1) && (cf->io.win[0].len > 8)) {
Dominik Brodowskied588722008-07-29 08:38:55 +0200601 p_dev->io.BasePort1 = cf->io.win[0].base;
602 p_dev->io.NumPorts1 = cf->io.win[0].len; /*yo */
603 p_dev->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK;
604 if (!pcmcia_request_io(p_dev, &p_dev->io))
605 return 0;
606 }
607 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608}
609
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200610static int dtl1_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700612 dtl1_info_t *info = link->priv;
Dominik Brodowskiaf2b3b52006-10-25 21:49:27 -0400613 int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700614
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615 /* Look for a generic full-sized window */
616 link->io.NumPorts1 = 8;
Philipp Zabelcb6dbd72009-02-27 17:54:08 +0100617 if (pcmcia_loop_config(link, dtl1_confcheck, NULL) < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619
Dominik Brodowskieb141202010-03-07 12:21:16 +0100620 i = pcmcia_request_irq(link, dtl1_interrupt);
Dominik Brodowski9ac3e582009-10-24 15:45:06 +0200621 if (i != 0)
Dominik Brodowskieb141202010-03-07 12:21:16 +0100622 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200624 i = pcmcia_request_configuration(link, &link->conf);
Dominik Brodowski9ac3e582009-10-24 15:45:06 +0200625 if (i != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700626 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627
628 if (dtl1_open(info) != 0)
629 goto failed;
630
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200631 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632
Linus Torvalds1da177e2005-04-16 15:20:36 -0700633failed:
634 dtl1_release(link);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200635 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636}
637
638
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200639static void dtl1_release(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640{
641 dtl1_info_t *info = link->priv;
642
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100643 dtl1_close(info);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700644
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200645 pcmcia_disable_device(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700646}
647
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700649static struct pcmcia_device_id dtl1_ids[] = {
650 PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-1", 0xe1bfdd64, 0xe168480d),
Marcel Holtmann8602b4f2006-10-20 08:55:34 +0200651 PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-4", 0xe1bfdd64, 0x9102bc82),
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700652 PCMCIA_DEVICE_PROD_ID12("Socket", "CF", 0xb38bcc2e, 0x44ebf863),
Richard Purdie725a6ab2006-01-05 09:56:03 +0000653 PCMCIA_DEVICE_PROD_ID12("Socket", "CF+ Personal Network Card", 0xb38bcc2e, 0xe732bae3),
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700654 PCMCIA_DEVICE_NULL
655};
656MODULE_DEVICE_TABLE(pcmcia, dtl1_ids);
657
Linus Torvalds1da177e2005-04-16 15:20:36 -0700658static struct pcmcia_driver dtl1_driver = {
659 .owner = THIS_MODULE,
660 .drv = {
661 .name = "dtl1_cs",
662 },
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200663 .probe = dtl1_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100664 .remove = dtl1_detach,
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700665 .id_table = dtl1_ids,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666};
667
668static int __init init_dtl1_cs(void)
669{
670 return pcmcia_register_driver(&dtl1_driver);
671}
672
673
674static void __exit exit_dtl1_cs(void)
675{
676 pcmcia_unregister_driver(&dtl1_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700677}
678
679module_init(init_dtl1_cs);
680module_exit(exit_dtl1_cs);