Commit | Line | Data |
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1da177e4 LT |
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 | ||
1da177e4 LT |
23 | #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> | |
29 | #include <linux/sched.h> | |
30 | #include <linux/delay.h> | |
31 | #include <linux/errno.h> | |
32 | #include <linux/ptrace.h> | |
33 | #include <linux/ioport.h> | |
34 | #include <linux/spinlock.h> | |
35 | #include <linux/moduleparam.h> | |
36 | ||
37 | #include <linux/skbuff.h> | |
38 | #include <linux/string.h> | |
39 | #include <linux/serial.h> | |
40 | #include <linux/serial_reg.h> | |
41 | #include <linux/bitops.h> | |
42 | #include <asm/system.h> | |
43 | #include <asm/io.h> | |
44 | ||
1da177e4 LT |
45 | #include <pcmcia/cs_types.h> |
46 | #include <pcmcia/cs.h> | |
47 | #include <pcmcia/cistpl.h> | |
48 | #include <pcmcia/ciscode.h> | |
49 | #include <pcmcia/ds.h> | |
50 | #include <pcmcia/cisreg.h> | |
51 | ||
52 | #include <net/bluetooth/bluetooth.h> | |
53 | #include <net/bluetooth/hci_core.h> | |
54 | ||
55 | ||
56 | ||
57 | /* ======================== Module parameters ======================== */ | |
58 | ||
59 | ||
60 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); | |
61 | MODULE_DESCRIPTION("Bluetooth driver for Nokia Connectivity Card DTL-1"); | |
62 | MODULE_LICENSE("GPL"); | |
63 | ||
64 | ||
65 | ||
66 | /* ======================== Local structures ======================== */ | |
67 | ||
68 | ||
69 | typedef struct dtl1_info_t { | |
fd238232 | 70 | struct pcmcia_device *p_dev; |
1da177e4 LT |
71 | dev_node_t node; |
72 | ||
73 | struct hci_dev *hdev; | |
74 | ||
75 | spinlock_t lock; /* For serializing operations */ | |
76 | ||
77 | unsigned long flowmask; /* HCI flow mask */ | |
78 | int ri_latch; | |
79 | ||
80 | struct sk_buff_head txq; | |
81 | unsigned long tx_state; | |
82 | ||
83 | unsigned long rx_state; | |
84 | unsigned long rx_count; | |
85 | struct sk_buff *rx_skb; | |
86 | } dtl1_info_t; | |
87 | ||
88 | ||
15b99ac1 | 89 | static int dtl1_config(struct pcmcia_device *link); |
fba395ee | 90 | static void dtl1_release(struct pcmcia_device *link); |
1da177e4 | 91 | |
cc3b4866 | 92 | static void dtl1_detach(struct pcmcia_device *p_dev); |
1da177e4 | 93 | |
1da177e4 LT |
94 | |
95 | /* Transmit states */ | |
96 | #define XMIT_SENDING 1 | |
97 | #define XMIT_WAKEUP 2 | |
98 | #define XMIT_WAITING 8 | |
99 | ||
100 | /* Receiver States */ | |
101 | #define RECV_WAIT_NSH 0 | |
102 | #define RECV_WAIT_DATA 1 | |
103 | ||
104 | ||
105 | typedef struct { | |
106 | u8 type; | |
107 | u8 zero; | |
108 | u16 len; | |
109 | } __attribute__ ((packed)) nsh_t; /* Nokia Specific Header */ | |
110 | ||
111 | #define NSHL 4 /* Nokia Specific Header Length */ | |
112 | ||
113 | ||
114 | ||
115 | /* ======================== Interrupt handling ======================== */ | |
116 | ||
117 | ||
118 | static int dtl1_write(unsigned int iobase, int fifo_size, __u8 *buf, int len) | |
119 | { | |
120 | int actual = 0; | |
121 | ||
122 | /* Tx FIFO should be empty */ | |
123 | if (!(inb(iobase + UART_LSR) & UART_LSR_THRE)) | |
124 | return 0; | |
125 | ||
126 | /* Fill FIFO with current frame */ | |
127 | while ((fifo_size-- > 0) && (actual < len)) { | |
128 | /* Transmit next byte */ | |
129 | outb(buf[actual], iobase + UART_TX); | |
130 | actual++; | |
131 | } | |
132 | ||
133 | return actual; | |
134 | } | |
135 | ||
136 | ||
137 | static void dtl1_write_wakeup(dtl1_info_t *info) | |
138 | { | |
139 | if (!info) { | |
140 | BT_ERR("Unknown device"); | |
141 | return; | |
142 | } | |
143 | ||
144 | if (test_bit(XMIT_WAITING, &(info->tx_state))) { | |
145 | set_bit(XMIT_WAKEUP, &(info->tx_state)); | |
146 | return; | |
147 | } | |
148 | ||
149 | if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) { | |
150 | set_bit(XMIT_WAKEUP, &(info->tx_state)); | |
151 | return; | |
152 | } | |
153 | ||
154 | do { | |
fd238232 | 155 | register unsigned int iobase = info->p_dev->io.BasePort1; |
1da177e4 LT |
156 | register struct sk_buff *skb; |
157 | register int len; | |
158 | ||
159 | clear_bit(XMIT_WAKEUP, &(info->tx_state)); | |
160 | ||
e2d40963 | 161 | if (!pcmcia_dev_present(info->p_dev)) |
1da177e4 LT |
162 | return; |
163 | ||
164 | if (!(skb = skb_dequeue(&(info->txq)))) | |
165 | break; | |
166 | ||
167 | /* Send frame */ | |
168 | len = dtl1_write(iobase, 32, skb->data, skb->len); | |
169 | ||
170 | if (len == skb->len) { | |
171 | set_bit(XMIT_WAITING, &(info->tx_state)); | |
172 | kfree_skb(skb); | |
173 | } else { | |
174 | skb_pull(skb, len); | |
175 | skb_queue_head(&(info->txq), skb); | |
176 | } | |
177 | ||
178 | info->hdev->stat.byte_tx += len; | |
179 | ||
180 | } while (test_bit(XMIT_WAKEUP, &(info->tx_state))); | |
181 | ||
182 | clear_bit(XMIT_SENDING, &(info->tx_state)); | |
183 | } | |
184 | ||
185 | ||
186 | static void dtl1_control(dtl1_info_t *info, struct sk_buff *skb) | |
187 | { | |
188 | u8 flowmask = *(u8 *)skb->data; | |
189 | int i; | |
190 | ||
191 | printk(KERN_INFO "Bluetooth: Nokia control data ="); | |
192 | for (i = 0; i < skb->len; i++) { | |
193 | printk(" %02x", skb->data[i]); | |
194 | } | |
195 | printk("\n"); | |
196 | ||
197 | /* transition to active state */ | |
198 | if (((info->flowmask & 0x07) == 0) && ((flowmask & 0x07) != 0)) { | |
199 | clear_bit(XMIT_WAITING, &(info->tx_state)); | |
200 | dtl1_write_wakeup(info); | |
201 | } | |
202 | ||
203 | info->flowmask = flowmask; | |
204 | ||
205 | kfree_skb(skb); | |
206 | } | |
207 | ||
208 | ||
209 | static void dtl1_receive(dtl1_info_t *info) | |
210 | { | |
211 | unsigned int iobase; | |
212 | nsh_t *nsh; | |
213 | int boguscount = 0; | |
214 | ||
215 | if (!info) { | |
216 | BT_ERR("Unknown device"); | |
217 | return; | |
218 | } | |
219 | ||
fd238232 | 220 | iobase = info->p_dev->io.BasePort1; |
1da177e4 LT |
221 | |
222 | do { | |
223 | info->hdev->stat.byte_rx++; | |
224 | ||
225 | /* Allocate packet */ | |
226 | if (info->rx_skb == NULL) | |
227 | if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) { | |
228 | BT_ERR("Can't allocate mem for new packet"); | |
229 | info->rx_state = RECV_WAIT_NSH; | |
230 | info->rx_count = NSHL; | |
231 | return; | |
232 | } | |
233 | ||
234 | *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX); | |
235 | nsh = (nsh_t *)info->rx_skb->data; | |
236 | ||
237 | info->rx_count--; | |
238 | ||
239 | if (info->rx_count == 0) { | |
240 | ||
241 | switch (info->rx_state) { | |
242 | case RECV_WAIT_NSH: | |
243 | info->rx_state = RECV_WAIT_DATA; | |
244 | info->rx_count = nsh->len + (nsh->len & 0x0001); | |
245 | break; | |
246 | case RECV_WAIT_DATA: | |
0d48d939 | 247 | bt_cb(info->rx_skb)->pkt_type = nsh->type; |
1da177e4 LT |
248 | |
249 | /* remove PAD byte if it exists */ | |
250 | if (nsh->len & 0x0001) { | |
251 | info->rx_skb->tail--; | |
252 | info->rx_skb->len--; | |
253 | } | |
254 | ||
255 | /* remove NSH */ | |
256 | skb_pull(info->rx_skb, NSHL); | |
257 | ||
0d48d939 | 258 | switch (bt_cb(info->rx_skb)->pkt_type) { |
1da177e4 LT |
259 | case 0x80: |
260 | /* control data for the Nokia Card */ | |
261 | dtl1_control(info, info->rx_skb); | |
262 | break; | |
263 | case 0x82: | |
264 | case 0x83: | |
265 | case 0x84: | |
266 | /* send frame to the HCI layer */ | |
267 | info->rx_skb->dev = (void *) info->hdev; | |
0d48d939 | 268 | bt_cb(info->rx_skb)->pkt_type &= 0x0f; |
1da177e4 LT |
269 | hci_recv_frame(info->rx_skb); |
270 | break; | |
271 | default: | |
272 | /* unknown packet */ | |
0d48d939 | 273 | BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type); |
1da177e4 LT |
274 | kfree_skb(info->rx_skb); |
275 | break; | |
276 | } | |
277 | ||
278 | info->rx_state = RECV_WAIT_NSH; | |
279 | info->rx_count = NSHL; | |
280 | info->rx_skb = NULL; | |
281 | break; | |
282 | } | |
283 | ||
284 | } | |
285 | ||
286 | /* Make sure we don't stay here too long */ | |
287 | if (boguscount++ > 32) | |
288 | break; | |
289 | ||
290 | } while (inb(iobase + UART_LSR) & UART_LSR_DR); | |
291 | } | |
292 | ||
293 | ||
294 | static irqreturn_t dtl1_interrupt(int irq, void *dev_inst, struct pt_regs *regs) | |
295 | { | |
296 | dtl1_info_t *info = dev_inst; | |
297 | unsigned int iobase; | |
298 | unsigned char msr; | |
299 | int boguscount = 0; | |
300 | int iir, lsr; | |
301 | ||
302 | if (!info || !info->hdev) { | |
303 | BT_ERR("Call of irq %d for unknown device", irq); | |
304 | return IRQ_NONE; | |
305 | } | |
306 | ||
fd238232 | 307 | iobase = info->p_dev->io.BasePort1; |
1da177e4 LT |
308 | |
309 | spin_lock(&(info->lock)); | |
310 | ||
311 | iir = inb(iobase + UART_IIR) & UART_IIR_ID; | |
312 | while (iir) { | |
313 | ||
314 | /* Clear interrupt */ | |
315 | lsr = inb(iobase + UART_LSR); | |
316 | ||
317 | switch (iir) { | |
318 | case UART_IIR_RLSI: | |
319 | BT_ERR("RLSI"); | |
320 | break; | |
321 | case UART_IIR_RDI: | |
322 | /* Receive interrupt */ | |
323 | dtl1_receive(info); | |
324 | break; | |
325 | case UART_IIR_THRI: | |
326 | if (lsr & UART_LSR_THRE) { | |
327 | /* Transmitter ready for data */ | |
328 | dtl1_write_wakeup(info); | |
329 | } | |
330 | break; | |
331 | default: | |
332 | BT_ERR("Unhandled IIR=%#x", iir); | |
333 | break; | |
334 | } | |
335 | ||
336 | /* Make sure we don't stay here too long */ | |
337 | if (boguscount++ > 100) | |
338 | break; | |
339 | ||
340 | iir = inb(iobase + UART_IIR) & UART_IIR_ID; | |
341 | ||
342 | } | |
343 | ||
344 | msr = inb(iobase + UART_MSR); | |
345 | ||
346 | if (info->ri_latch ^ (msr & UART_MSR_RI)) { | |
347 | info->ri_latch = msr & UART_MSR_RI; | |
348 | clear_bit(XMIT_WAITING, &(info->tx_state)); | |
349 | dtl1_write_wakeup(info); | |
350 | } | |
351 | ||
352 | spin_unlock(&(info->lock)); | |
353 | ||
354 | return IRQ_HANDLED; | |
355 | } | |
356 | ||
357 | ||
358 | ||
359 | /* ======================== HCI interface ======================== */ | |
360 | ||
361 | ||
362 | static int dtl1_hci_open(struct hci_dev *hdev) | |
363 | { | |
364 | set_bit(HCI_RUNNING, &(hdev->flags)); | |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
369 | ||
370 | static int dtl1_hci_flush(struct hci_dev *hdev) | |
371 | { | |
372 | dtl1_info_t *info = (dtl1_info_t *)(hdev->driver_data); | |
373 | ||
374 | /* Drop TX queue */ | |
375 | skb_queue_purge(&(info->txq)); | |
376 | ||
377 | return 0; | |
378 | } | |
379 | ||
380 | ||
381 | static int dtl1_hci_close(struct hci_dev *hdev) | |
382 | { | |
383 | if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags))) | |
384 | return 0; | |
385 | ||
386 | dtl1_hci_flush(hdev); | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | ||
392 | static int dtl1_hci_send_frame(struct sk_buff *skb) | |
393 | { | |
394 | dtl1_info_t *info; | |
395 | struct hci_dev *hdev = (struct hci_dev *)(skb->dev); | |
396 | struct sk_buff *s; | |
397 | nsh_t nsh; | |
398 | ||
399 | if (!hdev) { | |
400 | BT_ERR("Frame for unknown HCI device (hdev=NULL)"); | |
401 | return -ENODEV; | |
402 | } | |
403 | ||
404 | info = (dtl1_info_t *)(hdev->driver_data); | |
405 | ||
0d48d939 | 406 | switch (bt_cb(skb)->pkt_type) { |
1da177e4 LT |
407 | case HCI_COMMAND_PKT: |
408 | hdev->stat.cmd_tx++; | |
409 | nsh.type = 0x81; | |
410 | break; | |
411 | case HCI_ACLDATA_PKT: | |
412 | hdev->stat.acl_tx++; | |
413 | nsh.type = 0x82; | |
414 | break; | |
415 | case HCI_SCODATA_PKT: | |
416 | hdev->stat.sco_tx++; | |
417 | nsh.type = 0x83; | |
418 | break; | |
419 | }; | |
420 | ||
421 | nsh.zero = 0; | |
422 | nsh.len = skb->len; | |
423 | ||
424 | s = bt_skb_alloc(NSHL + skb->len + 1, GFP_ATOMIC); | |
57136ca6 JJ |
425 | if (!s) |
426 | return -ENOMEM; | |
427 | ||
1da177e4 LT |
428 | skb_reserve(s, NSHL); |
429 | memcpy(skb_put(s, skb->len), skb->data, skb->len); | |
430 | if (skb->len & 0x0001) | |
431 | *skb_put(s, 1) = 0; /* PAD */ | |
432 | ||
433 | /* Prepend skb with Nokia frame header and queue */ | |
434 | memcpy(skb_push(s, NSHL), &nsh, NSHL); | |
435 | skb_queue_tail(&(info->txq), s); | |
436 | ||
437 | dtl1_write_wakeup(info); | |
438 | ||
439 | kfree_skb(skb); | |
440 | ||
441 | return 0; | |
442 | } | |
443 | ||
444 | ||
445 | static void dtl1_hci_destruct(struct hci_dev *hdev) | |
446 | { | |
447 | } | |
448 | ||
449 | ||
450 | static int dtl1_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) | |
451 | { | |
452 | return -ENOIOCTLCMD; | |
453 | } | |
454 | ||
455 | ||
456 | ||
457 | /* ======================== Card services HCI interaction ======================== */ | |
458 | ||
459 | ||
460 | static int dtl1_open(dtl1_info_t *info) | |
461 | { | |
462 | unsigned long flags; | |
fd238232 | 463 | unsigned int iobase = info->p_dev->io.BasePort1; |
1da177e4 LT |
464 | struct hci_dev *hdev; |
465 | ||
466 | spin_lock_init(&(info->lock)); | |
467 | ||
468 | skb_queue_head_init(&(info->txq)); | |
469 | ||
470 | info->rx_state = RECV_WAIT_NSH; | |
471 | info->rx_count = NSHL; | |
472 | info->rx_skb = NULL; | |
473 | ||
474 | set_bit(XMIT_WAITING, &(info->tx_state)); | |
475 | ||
476 | /* Initialize HCI device */ | |
477 | hdev = hci_alloc_dev(); | |
478 | if (!hdev) { | |
479 | BT_ERR("Can't allocate HCI device"); | |
480 | return -ENOMEM; | |
481 | } | |
482 | ||
483 | info->hdev = hdev; | |
484 | ||
485 | hdev->type = HCI_PCCARD; | |
486 | hdev->driver_data = info; | |
27d35284 | 487 | SET_HCIDEV_DEV(hdev, &info->p_dev->dev); |
1da177e4 LT |
488 | |
489 | hdev->open = dtl1_hci_open; | |
490 | hdev->close = dtl1_hci_close; | |
491 | hdev->flush = dtl1_hci_flush; | |
492 | hdev->send = dtl1_hci_send_frame; | |
493 | hdev->destruct = dtl1_hci_destruct; | |
494 | hdev->ioctl = dtl1_hci_ioctl; | |
495 | ||
496 | hdev->owner = THIS_MODULE; | |
497 | ||
498 | spin_lock_irqsave(&(info->lock), flags); | |
499 | ||
500 | /* Reset UART */ | |
501 | outb(0, iobase + UART_MCR); | |
502 | ||
503 | /* Turn off interrupts */ | |
504 | outb(0, iobase + UART_IER); | |
505 | ||
506 | /* Initialize UART */ | |
507 | outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */ | |
508 | outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR); | |
509 | ||
fd238232 | 510 | info->ri_latch = inb(info->p_dev->io.BasePort1 + UART_MSR) & UART_MSR_RI; |
1da177e4 LT |
511 | |
512 | /* Turn on interrupts */ | |
513 | outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER); | |
514 | ||
515 | spin_unlock_irqrestore(&(info->lock), flags); | |
516 | ||
517 | /* Timeout before it is safe to send the first HCI packet */ | |
518 | msleep(2000); | |
519 | ||
520 | /* Register HCI device */ | |
521 | if (hci_register_dev(hdev) < 0) { | |
522 | BT_ERR("Can't register HCI device"); | |
523 | info->hdev = NULL; | |
524 | hci_free_dev(hdev); | |
525 | return -ENODEV; | |
526 | } | |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
531 | ||
532 | static int dtl1_close(dtl1_info_t *info) | |
533 | { | |
534 | unsigned long flags; | |
fd238232 | 535 | unsigned int iobase = info->p_dev->io.BasePort1; |
1da177e4 LT |
536 | struct hci_dev *hdev = info->hdev; |
537 | ||
538 | if (!hdev) | |
539 | return -ENODEV; | |
540 | ||
541 | dtl1_hci_close(hdev); | |
542 | ||
543 | spin_lock_irqsave(&(info->lock), flags); | |
544 | ||
545 | /* Reset UART */ | |
546 | outb(0, iobase + UART_MCR); | |
547 | ||
548 | /* Turn off interrupts */ | |
549 | outb(0, iobase + UART_IER); | |
550 | ||
551 | spin_unlock_irqrestore(&(info->lock), flags); | |
552 | ||
553 | if (hci_unregister_dev(hdev) < 0) | |
554 | BT_ERR("Can't unregister HCI device %s", hdev->name); | |
555 | ||
556 | hci_free_dev(hdev); | |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
15b99ac1 | 561 | static int dtl1_probe(struct pcmcia_device *link) |
1da177e4 LT |
562 | { |
563 | dtl1_info_t *info; | |
1da177e4 LT |
564 | |
565 | /* Create new info device */ | |
089b1dbb | 566 | info = kzalloc(sizeof(*info), GFP_KERNEL); |
1da177e4 | 567 | if (!info) |
f8cfa618 | 568 | return -ENOMEM; |
1da177e4 | 569 | |
fba395ee | 570 | info->p_dev = link; |
1da177e4 LT |
571 | link->priv = info; |
572 | ||
573 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; | |
574 | link->io.NumPorts1 = 8; | |
575 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; | |
576 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; | |
577 | ||
578 | link->irq.Handler = dtl1_interrupt; | |
579 | link->irq.Instance = info; | |
580 | ||
581 | link->conf.Attributes = CONF_ENABLE_IRQ; | |
1da177e4 LT |
582 | link->conf.IntType = INT_MEMORY_AND_IO; |
583 | ||
15b99ac1 | 584 | return dtl1_config(link); |
1da177e4 LT |
585 | } |
586 | ||
587 | ||
fba395ee | 588 | static void dtl1_detach(struct pcmcia_device *link) |
1da177e4 LT |
589 | { |
590 | dtl1_info_t *info = link->priv; | |
1da177e4 | 591 | |
e2d40963 | 592 | dtl1_release(link); |
1da177e4 | 593 | |
1da177e4 LT |
594 | kfree(info); |
595 | } | |
596 | ||
fba395ee | 597 | static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) |
1da177e4 LT |
598 | { |
599 | int i; | |
600 | ||
601 | i = pcmcia_get_tuple_data(handle, tuple); | |
602 | if (i != CS_SUCCESS) | |
603 | return i; | |
604 | ||
605 | return pcmcia_parse_tuple(handle, tuple, parse); | |
606 | } | |
607 | ||
fba395ee | 608 | static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) |
1da177e4 LT |
609 | { |
610 | if (pcmcia_get_first_tuple(handle, tuple) != CS_SUCCESS) | |
611 | return CS_NO_MORE_ITEMS; | |
612 | return get_tuple(handle, tuple, parse); | |
613 | } | |
614 | ||
fba395ee | 615 | static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) |
1da177e4 LT |
616 | { |
617 | if (pcmcia_get_next_tuple(handle, tuple) != CS_SUCCESS) | |
618 | return CS_NO_MORE_ITEMS; | |
619 | return get_tuple(handle, tuple, parse); | |
620 | } | |
621 | ||
15b99ac1 | 622 | static int dtl1_config(struct pcmcia_device *link) |
1da177e4 | 623 | { |
1da177e4 LT |
624 | dtl1_info_t *info = link->priv; |
625 | tuple_t tuple; | |
626 | u_short buf[256]; | |
627 | cisparse_t parse; | |
628 | cistpl_cftable_entry_t *cf = &parse.cftable_entry; | |
1da177e4 LT |
629 | int i, last_ret, last_fn; |
630 | ||
631 | tuple.TupleData = (cisdata_t *)buf; | |
632 | tuple.TupleOffset = 0; | |
633 | tuple.TupleDataMax = 255; | |
634 | tuple.Attributes = 0; | |
635 | ||
636 | /* Get configuration register information */ | |
637 | tuple.DesiredTuple = CISTPL_CONFIG; | |
fba395ee | 638 | last_ret = first_tuple(link, &tuple, &parse); |
1da177e4 LT |
639 | if (last_ret != CS_SUCCESS) { |
640 | last_fn = ParseTuple; | |
641 | goto cs_failed; | |
642 | } | |
643 | link->conf.ConfigBase = parse.config.base; | |
644 | link->conf.Present = parse.config.rmask[0]; | |
645 | ||
1da177e4 LT |
646 | tuple.TupleData = (cisdata_t *)buf; |
647 | tuple.TupleOffset = 0; | |
648 | tuple.TupleDataMax = 255; | |
649 | tuple.Attributes = 0; | |
650 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
651 | ||
652 | /* Look for a generic full-sized window */ | |
653 | link->io.NumPorts1 = 8; | |
fba395ee | 654 | i = first_tuple(link, &tuple, &parse); |
1da177e4 LT |
655 | while (i != CS_NO_MORE_ITEMS) { |
656 | if ((i == CS_SUCCESS) && (cf->io.nwin == 1) && (cf->io.win[0].len > 8)) { | |
657 | link->conf.ConfigIndex = cf->index; | |
658 | link->io.BasePort1 = cf->io.win[0].base; | |
659 | link->io.NumPorts1 = cf->io.win[0].len; /*yo */ | |
660 | link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK; | |
fba395ee | 661 | i = pcmcia_request_io(link, &link->io); |
1da177e4 LT |
662 | if (i == CS_SUCCESS) |
663 | break; | |
664 | } | |
fba395ee | 665 | i = next_tuple(link, &tuple, &parse); |
1da177e4 LT |
666 | } |
667 | ||
668 | if (i != CS_SUCCESS) { | |
fba395ee | 669 | cs_error(link, RequestIO, i); |
1da177e4 LT |
670 | goto failed; |
671 | } | |
672 | ||
fba395ee | 673 | i = pcmcia_request_irq(link, &link->irq); |
1da177e4 | 674 | if (i != CS_SUCCESS) { |
fba395ee | 675 | cs_error(link, RequestIRQ, i); |
1da177e4 LT |
676 | link->irq.AssignedIRQ = 0; |
677 | } | |
678 | ||
fba395ee | 679 | i = pcmcia_request_configuration(link, &link->conf); |
1da177e4 | 680 | if (i != CS_SUCCESS) { |
fba395ee | 681 | cs_error(link, RequestConfiguration, i); |
1da177e4 LT |
682 | goto failed; |
683 | } | |
684 | ||
685 | if (dtl1_open(info) != 0) | |
686 | goto failed; | |
687 | ||
688 | strcpy(info->node.dev_name, info->hdev->name); | |
fd238232 | 689 | link->dev_node = &info->node; |
1da177e4 | 690 | |
15b99ac1 | 691 | return 0; |
1da177e4 LT |
692 | |
693 | cs_failed: | |
fba395ee | 694 | cs_error(link, last_fn, last_ret); |
1da177e4 LT |
695 | |
696 | failed: | |
697 | dtl1_release(link); | |
15b99ac1 | 698 | return -ENODEV; |
1da177e4 LT |
699 | } |
700 | ||
701 | ||
fba395ee | 702 | static void dtl1_release(struct pcmcia_device *link) |
1da177e4 LT |
703 | { |
704 | dtl1_info_t *info = link->priv; | |
705 | ||
e2d40963 | 706 | dtl1_close(info); |
1da177e4 | 707 | |
fba395ee | 708 | pcmcia_disable_device(link); |
1da177e4 LT |
709 | } |
710 | ||
1da177e4 | 711 | |
88eca2e5 DB |
712 | static struct pcmcia_device_id dtl1_ids[] = { |
713 | PCMCIA_DEVICE_PROD_ID12("Nokia Mobile Phones", "DTL-1", 0xe1bfdd64, 0xe168480d), | |
714 | PCMCIA_DEVICE_PROD_ID12("Socket", "CF", 0xb38bcc2e, 0x44ebf863), | |
725a6abf | 715 | PCMCIA_DEVICE_PROD_ID12("Socket", "CF+ Personal Network Card", 0xb38bcc2e, 0xe732bae3), |
88eca2e5 DB |
716 | PCMCIA_DEVICE_NULL |
717 | }; | |
718 | MODULE_DEVICE_TABLE(pcmcia, dtl1_ids); | |
719 | ||
1da177e4 LT |
720 | static struct pcmcia_driver dtl1_driver = { |
721 | .owner = THIS_MODULE, | |
722 | .drv = { | |
723 | .name = "dtl1_cs", | |
724 | }, | |
15b99ac1 | 725 | .probe = dtl1_probe, |
cc3b4866 | 726 | .remove = dtl1_detach, |
88eca2e5 | 727 | .id_table = dtl1_ids, |
1da177e4 LT |
728 | }; |
729 | ||
730 | static int __init init_dtl1_cs(void) | |
731 | { | |
732 | return pcmcia_register_driver(&dtl1_driver); | |
733 | } | |
734 | ||
735 | ||
736 | static void __exit exit_dtl1_cs(void) | |
737 | { | |
738 | pcmcia_unregister_driver(&dtl1_driver); | |
1da177e4 LT |
739 | } |
740 | ||
741 | module_init(init_dtl1_cs); | |
742 | module_exit(exit_dtl1_cs); |