blob: 036cb366fe6e77d7c8e202cf2aee0f0d3fde2880 [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
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>
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#include <asm/io.h>
42
Linus Torvalds1da177e2005-04-16 15:20:36 -070043#include <pcmcia/cistpl.h>
44#include <pcmcia/ciscode.h>
45#include <pcmcia/ds.h>
46#include <pcmcia/cisreg.h>
47
48#include <net/bluetooth/bluetooth.h>
49#include <net/bluetooth/hci_core.h>
50
51
52
53/* ======================== Module parameters ======================== */
54
55
56MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
57MODULE_DESCRIPTION("Bluetooth driver for Nokia Connectivity Card DTL-1");
58MODULE_LICENSE("GPL");
59
60
61
62/* ======================== Local structures ======================== */
63
64
65typedef struct dtl1_info_t {
Dominik Brodowskifd238232006-03-05 10:45:09 +010066 struct pcmcia_device *p_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
68 struct hci_dev *hdev;
69
70 spinlock_t lock; /* For serializing operations */
71
72 unsigned long flowmask; /* HCI flow mask */
73 int ri_latch;
74
75 struct sk_buff_head txq;
76 unsigned long tx_state;
77
78 unsigned long rx_state;
79 unsigned long rx_count;
80 struct sk_buff *rx_skb;
81} dtl1_info_t;
82
83
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020084static int dtl1_config(struct pcmcia_device *link);
Linus Torvalds1da177e2005-04-16 15:20:36 -070085
Linus Torvalds1da177e2005-04-16 15:20:36 -070086
87/* Transmit states */
88#define XMIT_SENDING 1
89#define XMIT_WAKEUP 2
90#define XMIT_WAITING 8
91
92/* Receiver States */
93#define RECV_WAIT_NSH 0
94#define RECV_WAIT_DATA 1
95
96
97typedef struct {
98 u8 type;
99 u8 zero;
100 u16 len;
Gustavo F. Padovan81ca4052010-07-19 13:54:05 -0300101} __packed nsh_t; /* Nokia Specific Header */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102
103#define NSHL 4 /* Nokia Specific Header Length */
104
105
106
107/* ======================== Interrupt handling ======================== */
108
109
110static int dtl1_write(unsigned int iobase, int fifo_size, __u8 *buf, int len)
111{
112 int actual = 0;
113
114 /* Tx FIFO should be empty */
115 if (!(inb(iobase + UART_LSR) & UART_LSR_THRE))
116 return 0;
117
118 /* Fill FIFO with current frame */
119 while ((fifo_size-- > 0) && (actual < len)) {
120 /* Transmit next byte */
121 outb(buf[actual], iobase + UART_TX);
122 actual++;
123 }
124
125 return actual;
126}
127
128
129static void dtl1_write_wakeup(dtl1_info_t *info)
130{
131 if (!info) {
132 BT_ERR("Unknown device");
133 return;
134 }
135
136 if (test_bit(XMIT_WAITING, &(info->tx_state))) {
137 set_bit(XMIT_WAKEUP, &(info->tx_state));
138 return;
139 }
140
141 if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) {
142 set_bit(XMIT_WAKEUP, &(info->tx_state));
143 return;
144 }
145
146 do {
Gustavo Padovanfc5fef62012-05-23 04:04:19 -0300147 unsigned int iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148 register struct sk_buff *skb;
Gustavo Padovanfc5fef62012-05-23 04:04:19 -0300149 int len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150
151 clear_bit(XMIT_WAKEUP, &(info->tx_state));
152
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100153 if (!pcmcia_dev_present(info->p_dev))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154 return;
155
156 if (!(skb = skb_dequeue(&(info->txq))))
157 break;
158
159 /* Send frame */
160 len = dtl1_write(iobase, 32, skb->data, skb->len);
161
162 if (len == skb->len) {
163 set_bit(XMIT_WAITING, &(info->tx_state));
164 kfree_skb(skb);
165 } else {
166 skb_pull(skb, len);
167 skb_queue_head(&(info->txq), skb);
168 }
169
170 info->hdev->stat.byte_tx += len;
171
172 } while (test_bit(XMIT_WAKEUP, &(info->tx_state)));
173
174 clear_bit(XMIT_SENDING, &(info->tx_state));
175}
176
177
178static void dtl1_control(dtl1_info_t *info, struct sk_buff *skb)
179{
180 u8 flowmask = *(u8 *)skb->data;
181 int i;
182
183 printk(KERN_INFO "Bluetooth: Nokia control data =");
184 for (i = 0; i < skb->len; i++) {
185 printk(" %02x", skb->data[i]);
186 }
187 printk("\n");
188
189 /* transition to active state */
190 if (((info->flowmask & 0x07) == 0) && ((flowmask & 0x07) != 0)) {
191 clear_bit(XMIT_WAITING, &(info->tx_state));
192 dtl1_write_wakeup(info);
193 }
194
195 info->flowmask = flowmask;
196
197 kfree_skb(skb);
198}
199
200
201static void dtl1_receive(dtl1_info_t *info)
202{
203 unsigned int iobase;
204 nsh_t *nsh;
205 int boguscount = 0;
206
207 if (!info) {
208 BT_ERR("Unknown device");
209 return;
210 }
211
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200212 iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213
214 do {
215 info->hdev->stat.byte_rx++;
216
217 /* Allocate packet */
218 if (info->rx_skb == NULL)
219 if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) {
220 BT_ERR("Can't allocate mem for new packet");
221 info->rx_state = RECV_WAIT_NSH;
222 info->rx_count = NSHL;
223 return;
224 }
225
226 *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
227 nsh = (nsh_t *)info->rx_skb->data;
228
229 info->rx_count--;
230
231 if (info->rx_count == 0) {
232
233 switch (info->rx_state) {
234 case RECV_WAIT_NSH:
235 info->rx_state = RECV_WAIT_DATA;
236 info->rx_count = nsh->len + (nsh->len & 0x0001);
237 break;
238 case RECV_WAIT_DATA:
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700239 bt_cb(info->rx_skb)->pkt_type = nsh->type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240
241 /* remove PAD byte if it exists */
242 if (nsh->len & 0x0001) {
243 info->rx_skb->tail--;
244 info->rx_skb->len--;
245 }
246
247 /* remove NSH */
248 skb_pull(info->rx_skb, NSHL);
249
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700250 switch (bt_cb(info->rx_skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700251 case 0x80:
252 /* control data for the Nokia Card */
253 dtl1_control(info, info->rx_skb);
254 break;
255 case 0x82:
256 case 0x83:
257 case 0x84:
258 /* send frame to the HCI layer */
259 info->rx_skb->dev = (void *) info->hdev;
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700260 bt_cb(info->rx_skb)->pkt_type &= 0x0f;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261 hci_recv_frame(info->rx_skb);
262 break;
263 default:
264 /* unknown packet */
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700265 BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266 kfree_skb(info->rx_skb);
267 break;
268 }
269
270 info->rx_state = RECV_WAIT_NSH;
271 info->rx_count = NSHL;
272 info->rx_skb = NULL;
273 break;
274 }
275
276 }
277
278 /* Make sure we don't stay here too long */
279 if (boguscount++ > 32)
280 break;
281
282 } while (inb(iobase + UART_LSR) & UART_LSR_DR);
283}
284
285
David Howells7d12e782006-10-05 14:55:46 +0100286static irqreturn_t dtl1_interrupt(int irq, void *dev_inst)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287{
288 dtl1_info_t *info = dev_inst;
289 unsigned int iobase;
290 unsigned char msr;
291 int boguscount = 0;
292 int iir, lsr;
Alan Coxaafcf992008-10-05 17:35:41 +0100293 irqreturn_t r = IRQ_NONE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294
Mike Frysinger74278472009-09-14 13:43:49 -0400295 if (!info || !info->hdev)
296 /* our irq handler is shared */
297 return IRQ_NONE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200299 iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300
301 spin_lock(&(info->lock));
302
303 iir = inb(iobase + UART_IIR) & UART_IIR_ID;
304 while (iir) {
305
Alan Coxaafcf992008-10-05 17:35:41 +0100306 r = IRQ_HANDLED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700307 /* Clear interrupt */
308 lsr = inb(iobase + UART_LSR);
309
310 switch (iir) {
311 case UART_IIR_RLSI:
312 BT_ERR("RLSI");
313 break;
314 case UART_IIR_RDI:
315 /* Receive interrupt */
316 dtl1_receive(info);
317 break;
318 case UART_IIR_THRI:
319 if (lsr & UART_LSR_THRE) {
320 /* Transmitter ready for data */
321 dtl1_write_wakeup(info);
322 }
323 break;
324 default:
325 BT_ERR("Unhandled IIR=%#x", iir);
326 break;
327 }
328
329 /* Make sure we don't stay here too long */
330 if (boguscount++ > 100)
331 break;
332
333 iir = inb(iobase + UART_IIR) & UART_IIR_ID;
334
335 }
336
337 msr = inb(iobase + UART_MSR);
338
339 if (info->ri_latch ^ (msr & UART_MSR_RI)) {
340 info->ri_latch = msr & UART_MSR_RI;
341 clear_bit(XMIT_WAITING, &(info->tx_state));
342 dtl1_write_wakeup(info);
Alan Coxaafcf992008-10-05 17:35:41 +0100343 r = IRQ_HANDLED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344 }
345
346 spin_unlock(&(info->lock));
347
Alan Coxaafcf992008-10-05 17:35:41 +0100348 return r;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349}
350
351
352
353/* ======================== HCI interface ======================== */
354
355
356static int dtl1_hci_open(struct hci_dev *hdev)
357{
358 set_bit(HCI_RUNNING, &(hdev->flags));
359
360 return 0;
361}
362
363
364static int dtl1_hci_flush(struct hci_dev *hdev)
365{
David Herrmann155961e2012-02-09 21:58:32 +0100366 dtl1_info_t *info = hci_get_drvdata(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367
368 /* Drop TX queue */
369 skb_queue_purge(&(info->txq));
370
371 return 0;
372}
373
374
375static int dtl1_hci_close(struct hci_dev *hdev)
376{
377 if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
378 return 0;
379
380 dtl1_hci_flush(hdev);
381
382 return 0;
383}
384
385
386static int dtl1_hci_send_frame(struct sk_buff *skb)
387{
388 dtl1_info_t *info;
389 struct hci_dev *hdev = (struct hci_dev *)(skb->dev);
390 struct sk_buff *s;
391 nsh_t nsh;
392
393 if (!hdev) {
394 BT_ERR("Frame for unknown HCI device (hdev=NULL)");
395 return -ENODEV;
396 }
397
David Herrmann155961e2012-02-09 21:58:32 +0100398 info = hci_get_drvdata(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700399
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700400 switch (bt_cb(skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700401 case HCI_COMMAND_PKT:
402 hdev->stat.cmd_tx++;
403 nsh.type = 0x81;
404 break;
405 case HCI_ACLDATA_PKT:
406 hdev->stat.acl_tx++;
407 nsh.type = 0x82;
408 break;
409 case HCI_SCODATA_PKT:
410 hdev->stat.sco_tx++;
411 nsh.type = 0x83;
412 break;
Marcel Holtmann3c4bdc42009-06-14 15:24:44 +0200413 default:
414 return -EILSEQ;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415 };
416
417 nsh.zero = 0;
418 nsh.len = skb->len;
419
420 s = bt_skb_alloc(NSHL + skb->len + 1, GFP_ATOMIC);
Jesper Juhl57136ca2006-06-26 00:24:33 -0700421 if (!s)
422 return -ENOMEM;
423
Linus Torvalds1da177e2005-04-16 15:20:36 -0700424 skb_reserve(s, NSHL);
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -0300425 skb_copy_from_linear_data(skb, skb_put(s, skb->len), skb->len);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426 if (skb->len & 0x0001)
427 *skb_put(s, 1) = 0; /* PAD */
428
429 /* Prepend skb with Nokia frame header and queue */
430 memcpy(skb_push(s, NSHL), &nsh, NSHL);
431 skb_queue_tail(&(info->txq), s);
432
433 dtl1_write_wakeup(info);
434
435 kfree_skb(skb);
436
437 return 0;
438}
439
440
Linus Torvalds1da177e2005-04-16 15:20:36 -0700441static int dtl1_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg)
442{
443 return -ENOIOCTLCMD;
444}
445
446
447
448/* ======================== Card services HCI interaction ======================== */
449
450
451static int dtl1_open(dtl1_info_t *info)
452{
453 unsigned long flags;
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200454 unsigned int iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455 struct hci_dev *hdev;
456
457 spin_lock_init(&(info->lock));
458
459 skb_queue_head_init(&(info->txq));
460
461 info->rx_state = RECV_WAIT_NSH;
462 info->rx_count = NSHL;
463 info->rx_skb = NULL;
464
465 set_bit(XMIT_WAITING, &(info->tx_state));
466
467 /* Initialize HCI device */
468 hdev = hci_alloc_dev();
469 if (!hdev) {
470 BT_ERR("Can't allocate HCI device");
471 return -ENOMEM;
472 }
473
474 info->hdev = hdev;
475
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100476 hdev->bus = HCI_PCCARD;
David Herrmann155961e2012-02-09 21:58:32 +0100477 hci_set_drvdata(hdev, info);
Marcel Holtmann27d35282006-07-03 10:02:37 +0200478 SET_HCIDEV_DEV(hdev, &info->p_dev->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479
480 hdev->open = dtl1_hci_open;
481 hdev->close = dtl1_hci_close;
482 hdev->flush = dtl1_hci_flush;
483 hdev->send = dtl1_hci_send_frame;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700484 hdev->ioctl = dtl1_hci_ioctl;
485
Linus Torvalds1da177e2005-04-16 15:20:36 -0700486 spin_lock_irqsave(&(info->lock), flags);
487
488 /* Reset UART */
489 outb(0, iobase + UART_MCR);
490
491 /* Turn off interrupts */
492 outb(0, iobase + UART_IER);
493
494 /* Initialize UART */
495 outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */
496 outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR);
497
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200498 info->ri_latch = inb(info->p_dev->resource[0]->start + UART_MSR)
499 & UART_MSR_RI;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500
501 /* Turn on interrupts */
502 outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER);
503
504 spin_unlock_irqrestore(&(info->lock), flags);
505
506 /* Timeout before it is safe to send the first HCI packet */
507 msleep(2000);
508
509 /* Register HCI device */
510 if (hci_register_dev(hdev) < 0) {
511 BT_ERR("Can't register HCI device");
512 info->hdev = NULL;
513 hci_free_dev(hdev);
514 return -ENODEV;
515 }
516
517 return 0;
518}
519
520
521static int dtl1_close(dtl1_info_t *info)
522{
523 unsigned long flags;
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200524 unsigned int iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700525 struct hci_dev *hdev = info->hdev;
526
527 if (!hdev)
528 return -ENODEV;
529
530 dtl1_hci_close(hdev);
531
532 spin_lock_irqsave(&(info->lock), flags);
533
534 /* Reset UART */
535 outb(0, iobase + UART_MCR);
536
537 /* Turn off interrupts */
538 outb(0, iobase + UART_IER);
539
540 spin_unlock_irqrestore(&(info->lock), flags);
541
David Herrmann13ea4012011-10-26 10:43:18 +0200542 hci_unregister_dev(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700543 hci_free_dev(hdev);
544
545 return 0;
546}
547
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200548static int dtl1_probe(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549{
550 dtl1_info_t *info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551
552 /* Create new info device */
Sachin Kamatcd7cf782012-07-27 12:38:41 +0530553 info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554 if (!info)
Dominik Brodowskif8cfa612005-11-14 21:25:51 +0100555 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700556
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200557 info->p_dev = link;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558 link->priv = info;
559
Dominik Brodowski00990e72010-07-30 13:13:46 +0200560 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200562 return dtl1_config(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700563}
564
565
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200566static void dtl1_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700567{
568 dtl1_info_t *info = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700569
David Herrmann5a0b8152012-01-07 15:19:41 +0100570 dtl1_close(info);
571 pcmcia_disable_device(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572}
573
Dominik Brodowski00990e72010-07-30 13:13:46 +0200574static int dtl1_confcheck(struct pcmcia_device *p_dev, void *priv_data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700575{
Dominik Brodowski00990e72010-07-30 13:13:46 +0200576 if ((p_dev->resource[1]->end) || (p_dev->resource[1]->end < 8))
Dominik Brodowski90abdc32010-07-24 17:23:51 +0200577 return -ENODEV;
578
Dominik Brodowski00990e72010-07-30 13:13:46 +0200579 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
580 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
581
Dominik Brodowski90abdc32010-07-24 17:23:51 +0200582 return pcmcia_request_io(p_dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700583}
584
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200585static int dtl1_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700587 dtl1_info_t *info = link->priv;
Devendra Naga46afede2012-06-19 21:51:31 +0530588 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700589
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590 /* Look for a generic full-sized window */
Dominik Brodowski90abdc32010-07-24 17:23:51 +0200591 link->resource[0]->end = 8;
Devendra Naga46afede2012-06-19 21:51:31 +0530592 ret = pcmcia_loop_config(link, dtl1_confcheck, NULL);
593 if (ret)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700594 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700595
Devendra Naga46afede2012-06-19 21:51:31 +0530596 ret = pcmcia_request_irq(link, dtl1_interrupt);
597 if (ret)
Dominik Brodowskieb141202010-03-07 12:21:16 +0100598 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700599
Devendra Naga46afede2012-06-19 21:51:31 +0530600 ret = pcmcia_enable_device(link);
601 if (ret)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700603
Devendra Naga46afede2012-06-19 21:51:31 +0530604 ret = dtl1_open(info);
605 if (ret)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700606 goto failed;
607
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200608 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700609
Linus Torvalds1da177e2005-04-16 15:20:36 -0700610failed:
David Herrmann5a0b8152012-01-07 15:19:41 +0100611 dtl1_detach(link);
Devendra Naga46afede2012-06-19 21:51:31 +0530612 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700613}
614
Joe Perches25f8f542011-05-03 19:29:01 -0700615static const struct pcmcia_device_id dtl1_ids[] = {
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700616 PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-1", 0xe1bfdd64, 0xe168480d),
Marcel Holtmann8602b4f2006-10-20 08:55:34 +0200617 PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-4", 0xe1bfdd64, 0x9102bc82),
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700618 PCMCIA_DEVICE_PROD_ID12("Socket", "CF", 0xb38bcc2e, 0x44ebf863),
Richard Purdie725a6ab2006-01-05 09:56:03 +0000619 PCMCIA_DEVICE_PROD_ID12("Socket", "CF+ Personal Network Card", 0xb38bcc2e, 0xe732bae3),
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700620 PCMCIA_DEVICE_NULL
621};
622MODULE_DEVICE_TABLE(pcmcia, dtl1_ids);
623
Linus Torvalds1da177e2005-04-16 15:20:36 -0700624static struct pcmcia_driver dtl1_driver = {
625 .owner = THIS_MODULE,
Dominik Brodowski2e9b9812010-08-08 11:36:26 +0200626 .name = "dtl1_cs",
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200627 .probe = dtl1_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100628 .remove = dtl1_detach,
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700629 .id_table = dtl1_ids,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700630};
631
632static int __init init_dtl1_cs(void)
633{
634 return pcmcia_register_driver(&dtl1_driver);
635}
636
637
638static void __exit exit_dtl1_cs(void)
639{
640 pcmcia_unregister_driver(&dtl1_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641}
642
643module_init(init_dtl1_cs);
644module_exit(exit_dtl1_cs);