blob: 84135c54ed2e46df5111e2c2797b82fa8db4b143 [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
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +053065struct dtl1_info {
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;
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +053081};
Linus Torvalds1da177e2005-04-16 15:20:36 -070082
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
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +053097struct nsh {
Linus Torvalds1da177e2005-04-16 15:20:36 -070098 u8 type;
99 u8 zero;
100 u16 len;
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530101} __packed; /* 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
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530129static void dtl1_write_wakeup(struct dtl1_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130{
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
Valentin Iliea08b15e2013-08-12 18:46:00 +0300156 skb = skb_dequeue(&(info->txq));
157 if (!skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158 break;
159
160 /* Send frame */
161 len = dtl1_write(iobase, 32, skb->data, skb->len);
162
163 if (len == skb->len) {
164 set_bit(XMIT_WAITING, &(info->tx_state));
165 kfree_skb(skb);
166 } else {
167 skb_pull(skb, len);
168 skb_queue_head(&(info->txq), skb);
169 }
170
171 info->hdev->stat.byte_tx += len;
172
173 } while (test_bit(XMIT_WAKEUP, &(info->tx_state)));
174
175 clear_bit(XMIT_SENDING, &(info->tx_state));
176}
177
178
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530179static void dtl1_control(struct dtl1_info *info, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180{
181 u8 flowmask = *(u8 *)skb->data;
182 int i;
183
184 printk(KERN_INFO "Bluetooth: Nokia control data =");
Prasanna Karthikfac5e5b2015-06-19 08:46:15 +0000185 for (i = 0; i < skb->len; i++)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186 printk(" %02x", skb->data[i]);
Prasanna Karthikfac5e5b2015-06-19 08:46:15 +0000187
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188 printk("\n");
189
190 /* transition to active state */
191 if (((info->flowmask & 0x07) == 0) && ((flowmask & 0x07) != 0)) {
192 clear_bit(XMIT_WAITING, &(info->tx_state));
193 dtl1_write_wakeup(info);
194 }
195
196 info->flowmask = flowmask;
197
198 kfree_skb(skb);
199}
200
201
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530202static void dtl1_receive(struct dtl1_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203{
204 unsigned int iobase;
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530205 struct nsh *nsh;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206 int boguscount = 0;
207
208 if (!info) {
209 BT_ERR("Unknown device");
210 return;
211 }
212
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200213 iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214
215 do {
216 info->hdev->stat.byte_rx++;
217
218 /* Allocate packet */
Valentin Iliea08b15e2013-08-12 18:46:00 +0300219 if (info->rx_skb == NULL) {
220 info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
221 if (!info->rx_skb) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222 BT_ERR("Can't allocate mem for new packet");
223 info->rx_state = RECV_WAIT_NSH;
224 info->rx_count = NSHL;
225 return;
226 }
Valentin Iliea08b15e2013-08-12 18:46:00 +0300227 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228
229 *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530230 nsh = (struct nsh *)info->rx_skb->data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231
232 info->rx_count--;
233
234 if (info->rx_count == 0) {
235
236 switch (info->rx_state) {
237 case RECV_WAIT_NSH:
238 info->rx_state = RECV_WAIT_DATA;
239 info->rx_count = nsh->len + (nsh->len & 0x0001);
240 break;
241 case RECV_WAIT_DATA:
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700242 bt_cb(info->rx_skb)->pkt_type = nsh->type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700243
244 /* remove PAD byte if it exists */
245 if (nsh->len & 0x0001) {
246 info->rx_skb->tail--;
247 info->rx_skb->len--;
248 }
249
250 /* remove NSH */
251 skb_pull(info->rx_skb, NSHL);
252
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700253 switch (bt_cb(info->rx_skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700254 case 0x80:
255 /* control data for the Nokia Card */
256 dtl1_control(info, info->rx_skb);
257 break;
258 case 0x82:
259 case 0x83:
260 case 0x84:
261 /* send frame to the HCI layer */
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700262 bt_cb(info->rx_skb)->pkt_type &= 0x0f;
Marcel Holtmanne1a26172013-10-10 16:52:43 -0700263 hci_recv_frame(info->hdev, info->rx_skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264 break;
265 default:
266 /* unknown packet */
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700267 BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700268 kfree_skb(info->rx_skb);
269 break;
270 }
271
272 info->rx_state = RECV_WAIT_NSH;
273 info->rx_count = NSHL;
274 info->rx_skb = NULL;
275 break;
276 }
277
278 }
279
280 /* Make sure we don't stay here too long */
281 if (boguscount++ > 32)
282 break;
283
284 } while (inb(iobase + UART_LSR) & UART_LSR_DR);
285}
286
287
David Howells7d12e782006-10-05 14:55:46 +0100288static irqreturn_t dtl1_interrupt(int irq, void *dev_inst)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289{
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530290 struct dtl1_info *info = dev_inst;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291 unsigned int iobase;
292 unsigned char msr;
293 int boguscount = 0;
294 int iir, lsr;
Alan Coxaafcf992008-10-05 17:35:41 +0100295 irqreturn_t r = IRQ_NONE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296
Mike Frysinger74278472009-09-14 13:43:49 -0400297 if (!info || !info->hdev)
298 /* our irq handler is shared */
299 return IRQ_NONE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200301 iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302
303 spin_lock(&(info->lock));
304
305 iir = inb(iobase + UART_IIR) & UART_IIR_ID;
306 while (iir) {
307
Alan Coxaafcf992008-10-05 17:35:41 +0100308 r = IRQ_HANDLED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309 /* Clear interrupt */
310 lsr = inb(iobase + UART_LSR);
311
312 switch (iir) {
313 case UART_IIR_RLSI:
314 BT_ERR("RLSI");
315 break;
316 case UART_IIR_RDI:
317 /* Receive interrupt */
318 dtl1_receive(info);
319 break;
320 case UART_IIR_THRI:
321 if (lsr & UART_LSR_THRE) {
322 /* Transmitter ready for data */
323 dtl1_write_wakeup(info);
324 }
325 break;
326 default:
327 BT_ERR("Unhandled IIR=%#x", iir);
328 break;
329 }
330
331 /* Make sure we don't stay here too long */
332 if (boguscount++ > 100)
333 break;
334
335 iir = inb(iobase + UART_IIR) & UART_IIR_ID;
336
337 }
338
339 msr = inb(iobase + UART_MSR);
340
341 if (info->ri_latch ^ (msr & UART_MSR_RI)) {
342 info->ri_latch = msr & UART_MSR_RI;
343 clear_bit(XMIT_WAITING, &(info->tx_state));
344 dtl1_write_wakeup(info);
Alan Coxaafcf992008-10-05 17:35:41 +0100345 r = IRQ_HANDLED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346 }
347
348 spin_unlock(&(info->lock));
349
Alan Coxaafcf992008-10-05 17:35:41 +0100350 return r;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351}
352
353
354
355/* ======================== HCI interface ======================== */
356
357
358static int dtl1_hci_open(struct hci_dev *hdev)
359{
360 set_bit(HCI_RUNNING, &(hdev->flags));
361
362 return 0;
363}
364
365
366static int dtl1_hci_flush(struct hci_dev *hdev)
367{
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530368 struct dtl1_info *info = hci_get_drvdata(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369
370 /* Drop TX queue */
371 skb_queue_purge(&(info->txq));
372
373 return 0;
374}
375
376
377static int dtl1_hci_close(struct hci_dev *hdev)
378{
379 if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
380 return 0;
381
382 dtl1_hci_flush(hdev);
383
384 return 0;
385}
386
387
Marcel Holtmann7bd8f092013-10-11 06:19:18 -0700388static int dtl1_hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389{
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530390 struct dtl1_info *info = hci_get_drvdata(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391 struct sk_buff *s;
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530392 struct nsh nsh;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700394 switch (bt_cb(skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395 case HCI_COMMAND_PKT:
396 hdev->stat.cmd_tx++;
397 nsh.type = 0x81;
398 break;
399 case HCI_ACLDATA_PKT:
400 hdev->stat.acl_tx++;
401 nsh.type = 0x82;
402 break;
403 case HCI_SCODATA_PKT:
404 hdev->stat.sco_tx++;
405 nsh.type = 0x83;
406 break;
Marcel Holtmann3c4bdc42009-06-14 15:24:44 +0200407 default:
408 return -EILSEQ;
Prasanna Karthik20a7e252015-07-05 09:56:36 +0000409 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410
411 nsh.zero = 0;
412 nsh.len = skb->len;
413
414 s = bt_skb_alloc(NSHL + skb->len + 1, GFP_ATOMIC);
Jesper Juhl57136ca2006-06-26 00:24:33 -0700415 if (!s)
416 return -ENOMEM;
417
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418 skb_reserve(s, NSHL);
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -0300419 skb_copy_from_linear_data(skb, skb_put(s, skb->len), skb->len);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420 if (skb->len & 0x0001)
421 *skb_put(s, 1) = 0; /* PAD */
422
423 /* Prepend skb with Nokia frame header and queue */
424 memcpy(skb_push(s, NSHL), &nsh, NSHL);
425 skb_queue_tail(&(info->txq), s);
426
427 dtl1_write_wakeup(info);
428
429 kfree_skb(skb);
430
431 return 0;
432}
433
434
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435
436/* ======================== Card services HCI interaction ======================== */
437
438
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530439static int dtl1_open(struct dtl1_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440{
441 unsigned long flags;
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200442 unsigned int iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443 struct hci_dev *hdev;
444
445 spin_lock_init(&(info->lock));
446
447 skb_queue_head_init(&(info->txq));
448
449 info->rx_state = RECV_WAIT_NSH;
450 info->rx_count = NSHL;
451 info->rx_skb = NULL;
452
453 set_bit(XMIT_WAITING, &(info->tx_state));
454
455 /* Initialize HCI device */
456 hdev = hci_alloc_dev();
457 if (!hdev) {
458 BT_ERR("Can't allocate HCI device");
459 return -ENOMEM;
460 }
461
462 info->hdev = hdev;
463
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100464 hdev->bus = HCI_PCCARD;
David Herrmann155961e2012-02-09 21:58:32 +0100465 hci_set_drvdata(hdev, info);
Marcel Holtmann27d35282006-07-03 10:02:37 +0200466 SET_HCIDEV_DEV(hdev, &info->p_dev->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467
Marcel Holtmann3c728842013-10-10 10:50:04 -0700468 hdev->open = dtl1_hci_open;
469 hdev->close = dtl1_hci_close;
470 hdev->flush = dtl1_hci_flush;
471 hdev->send = dtl1_hci_send_frame;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473 spin_lock_irqsave(&(info->lock), flags);
474
475 /* Reset UART */
476 outb(0, iobase + UART_MCR);
477
478 /* Turn off interrupts */
479 outb(0, iobase + UART_IER);
480
481 /* Initialize UART */
482 outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */
483 outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR);
484
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200485 info->ri_latch = inb(info->p_dev->resource[0]->start + UART_MSR)
486 & UART_MSR_RI;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487
488 /* Turn on interrupts */
489 outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER);
490
491 spin_unlock_irqrestore(&(info->lock), flags);
492
493 /* Timeout before it is safe to send the first HCI packet */
494 msleep(2000);
495
496 /* Register HCI device */
497 if (hci_register_dev(hdev) < 0) {
498 BT_ERR("Can't register HCI device");
499 info->hdev = NULL;
500 hci_free_dev(hdev);
501 return -ENODEV;
502 }
503
504 return 0;
505}
506
507
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530508static int dtl1_close(struct dtl1_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509{
510 unsigned long flags;
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200511 unsigned int iobase = info->p_dev->resource[0]->start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512 struct hci_dev *hdev = info->hdev;
513
514 if (!hdev)
515 return -ENODEV;
516
517 dtl1_hci_close(hdev);
518
519 spin_lock_irqsave(&(info->lock), flags);
520
521 /* Reset UART */
522 outb(0, iobase + UART_MCR);
523
524 /* Turn off interrupts */
525 outb(0, iobase + UART_IER);
526
527 spin_unlock_irqrestore(&(info->lock), flags);
528
David Herrmann13ea4012011-10-26 10:43:18 +0200529 hci_unregister_dev(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700530 hci_free_dev(hdev);
531
532 return 0;
533}
534
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200535static int dtl1_probe(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700536{
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530537 struct dtl1_info *info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538
539 /* Create new info device */
Sachin Kamatcd7cf782012-07-27 12:38:41 +0530540 info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541 if (!info)
Dominik Brodowskif8cfa612005-11-14 21:25:51 +0100542 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700543
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200544 info->p_dev = link;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700545 link->priv = info;
546
Dominik Brodowski00990e72010-07-30 13:13:46 +0200547 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700548
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200549 return dtl1_config(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700550}
551
552
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200553static void dtl1_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554{
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530555 struct dtl1_info *info = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700556
David Herrmann5a0b8152012-01-07 15:19:41 +0100557 dtl1_close(info);
558 pcmcia_disable_device(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700559}
560
Dominik Brodowski00990e72010-07-30 13:13:46 +0200561static int dtl1_confcheck(struct pcmcia_device *p_dev, void *priv_data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562{
Dominik Brodowski00990e72010-07-30 13:13:46 +0200563 if ((p_dev->resource[1]->end) || (p_dev->resource[1]->end < 8))
Dominik Brodowski90abdc32010-07-24 17:23:51 +0200564 return -ENODEV;
565
Dominik Brodowski00990e72010-07-30 13:13:46 +0200566 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
567 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
568
Dominik Brodowski90abdc32010-07-24 17:23:51 +0200569 return pcmcia_request_io(p_dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700570}
571
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200572static int dtl1_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700573{
Himangi Saraogi66f4e0e2014-08-13 14:52:27 +0530574 struct dtl1_info *info = link->priv;
Devendra Naga46afede2012-06-19 21:51:31 +0530575 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700576
Linus Torvalds1da177e2005-04-16 15:20:36 -0700577 /* Look for a generic full-sized window */
Dominik Brodowski90abdc32010-07-24 17:23:51 +0200578 link->resource[0]->end = 8;
Devendra Naga46afede2012-06-19 21:51:31 +0530579 ret = pcmcia_loop_config(link, dtl1_confcheck, NULL);
580 if (ret)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700581 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582
Devendra Naga46afede2012-06-19 21:51:31 +0530583 ret = pcmcia_request_irq(link, dtl1_interrupt);
584 if (ret)
Dominik Brodowskieb141202010-03-07 12:21:16 +0100585 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586
Devendra Naga46afede2012-06-19 21:51:31 +0530587 ret = pcmcia_enable_device(link);
588 if (ret)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700589 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590
Devendra Naga46afede2012-06-19 21:51:31 +0530591 ret = dtl1_open(info);
592 if (ret)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700593 goto failed;
594
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200595 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700596
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597failed:
David Herrmann5a0b8152012-01-07 15:19:41 +0100598 dtl1_detach(link);
Devendra Naga46afede2012-06-19 21:51:31 +0530599 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700600}
601
Joe Perches25f8f542011-05-03 19:29:01 -0700602static const struct pcmcia_device_id dtl1_ids[] = {
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700603 PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-1", 0xe1bfdd64, 0xe168480d),
Marcel Holtmann8602b4f2006-10-20 08:55:34 +0200604 PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-4", 0xe1bfdd64, 0x9102bc82),
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700605 PCMCIA_DEVICE_PROD_ID12("Socket", "CF", 0xb38bcc2e, 0x44ebf863),
Richard Purdie725a6ab2006-01-05 09:56:03 +0000606 PCMCIA_DEVICE_PROD_ID12("Socket", "CF+ Personal Network Card", 0xb38bcc2e, 0xe732bae3),
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700607 PCMCIA_DEVICE_NULL
608};
609MODULE_DEVICE_TABLE(pcmcia, dtl1_ids);
610
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611static struct pcmcia_driver dtl1_driver = {
612 .owner = THIS_MODULE,
Dominik Brodowski2e9b9812010-08-08 11:36:26 +0200613 .name = "dtl1_cs",
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200614 .probe = dtl1_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100615 .remove = dtl1_detach,
Dominik Brodowski88eca2e2005-06-27 16:28:39 -0700616 .id_table = dtl1_ids,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700617};
H Hartley Sweetene0c005f2013-03-06 11:26:24 -0700618module_pcmcia_driver(dtl1_driver);