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1da177e4 LT |
1 | /* $Id: c4.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $ |
2 | * | |
3 | * Module for AVM C4 & C2 card. | |
4 | * | |
5 | * Copyright 1999 by Carsten Paeth <calle@calle.de> | |
6 | * | |
7 | * This software may be used and distributed according to the terms | |
8 | * of the GNU General Public License, incorporated herein by reference. | |
9 | * | |
10 | */ | |
11 | ||
1da177e4 LT |
12 | #include <linux/module.h> |
13 | #include <linux/kernel.h> | |
14 | #include <linux/skbuff.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/mm.h> | |
17 | #include <linux/interrupt.h> | |
18 | #include <linux/ioport.h> | |
19 | #include <linux/pci.h> | |
20 | #include <linux/capi.h> | |
21 | #include <linux/kernelcapi.h> | |
22 | #include <linux/init.h> | |
23 | #include <asm/io.h> | |
24 | #include <asm/uaccess.h> | |
25 | #include <linux/netdevice.h> | |
26 | #include <linux/isdn/capicmd.h> | |
27 | #include <linux/isdn/capiutil.h> | |
28 | #include <linux/isdn/capilli.h> | |
29 | #include "avmcard.h" | |
30 | ||
26fb5c58 RD |
31 | #undef AVM_C4_DEBUG |
32 | #undef AVM_C4_POLLDEBUG | |
1da177e4 LT |
33 | |
34 | /* ------------------------------------------------------------- */ | |
35 | ||
36 | static char *revision = "$Revision: 1.1.2.2 $"; | |
37 | ||
38 | /* ------------------------------------------------------------- */ | |
39 | ||
40 | static int suppress_pollack; | |
41 | ||
42 | static struct pci_device_id c4_pci_tbl[] = { | |
43 | { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C4, 0, 0, (unsigned long)4 }, | |
44 | { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C2, 0, 0, (unsigned long)2 }, | |
45 | { } /* Terminating entry */ | |
46 | }; | |
47 | ||
48 | MODULE_DEVICE_TABLE(pci, c4_pci_tbl); | |
49 | MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM C2/C4 cards"); | |
50 | MODULE_AUTHOR("Carsten Paeth"); | |
51 | MODULE_LICENSE("GPL"); | |
8d3b33f6 | 52 | module_param(suppress_pollack, bool, 0); |
1da177e4 LT |
53 | |
54 | /* ------------------------------------------------------------- */ | |
55 | ||
56 | static void c4_dispatch_tx(avmcard *card); | |
57 | ||
58 | /* ------------------------------------------------------------- */ | |
59 | ||
60 | #define DC21285_DRAM_A0MR 0x40000000 | |
61 | #define DC21285_DRAM_A1MR 0x40004000 | |
62 | #define DC21285_DRAM_A2MR 0x40008000 | |
63 | #define DC21285_DRAM_A3MR 0x4000C000 | |
64 | ||
65 | #define CAS_OFFSET 0x88 | |
66 | ||
67 | #define DC21285_ARMCSR_BASE 0x42000000 | |
68 | ||
69 | #define PCI_OUT_INT_STATUS 0x30 | |
70 | #define PCI_OUT_INT_MASK 0x34 | |
71 | #define MAILBOX_0 0x50 | |
72 | #define MAILBOX_1 0x54 | |
73 | #define MAILBOX_2 0x58 | |
74 | #define MAILBOX_3 0x5C | |
75 | #define DOORBELL 0x60 | |
76 | #define DOORBELL_SETUP 0x64 | |
77 | ||
78 | #define CHAN_1_CONTROL 0x90 | |
79 | #define CHAN_2_CONTROL 0xB0 | |
80 | #define DRAM_TIMING 0x10C | |
81 | #define DRAM_ADDR_SIZE_0 0x110 | |
82 | #define DRAM_ADDR_SIZE_1 0x114 | |
83 | #define DRAM_ADDR_SIZE_2 0x118 | |
84 | #define DRAM_ADDR_SIZE_3 0x11C | |
85 | #define SA_CONTROL 0x13C | |
86 | #define XBUS_CYCLE 0x148 | |
87 | #define XBUS_STROBE 0x14C | |
88 | #define DBELL_PCI_MASK 0x150 | |
89 | #define DBELL_SA_MASK 0x154 | |
90 | ||
91 | #define SDRAM_SIZE 0x1000000 | |
92 | ||
93 | /* ------------------------------------------------------------- */ | |
94 | ||
95 | #define MBOX_PEEK_POKE MAILBOX_0 | |
96 | ||
97 | #define DBELL_ADDR 0x01 | |
98 | #define DBELL_DATA 0x02 | |
99 | #define DBELL_RNWR 0x40 | |
100 | #define DBELL_INIT 0x80 | |
101 | ||
102 | /* ------------------------------------------------------------- */ | |
103 | ||
104 | #define MBOX_UP_ADDR MAILBOX_0 | |
105 | #define MBOX_UP_LEN MAILBOX_1 | |
106 | #define MBOX_DOWN_ADDR MAILBOX_2 | |
107 | #define MBOX_DOWN_LEN MAILBOX_3 | |
108 | ||
109 | #define DBELL_UP_HOST 0x00000100 | |
110 | #define DBELL_UP_ARM 0x00000200 | |
111 | #define DBELL_DOWN_HOST 0x00000400 | |
112 | #define DBELL_DOWN_ARM 0x00000800 | |
113 | #define DBELL_RESET_HOST 0x40000000 | |
114 | #define DBELL_RESET_ARM 0x80000000 | |
115 | ||
116 | /* ------------------------------------------------------------- */ | |
117 | ||
118 | #define DRAM_TIMING_DEF 0x001A01A5 | |
119 | #define DRAM_AD_SZ_DEF0 0x00000045 | |
120 | #define DRAM_AD_SZ_NULL 0x00000000 | |
121 | ||
122 | #define SA_CTL_ALLRIGHT 0x64AA0271 | |
123 | ||
124 | #define INIT_XBUS_CYCLE 0x100016DB | |
125 | #define INIT_XBUS_STROBE 0xF1F1F1F1 | |
126 | ||
127 | /* ------------------------------------------------------------- */ | |
128 | ||
129 | #define RESET_TIMEOUT (15*HZ) /* 15 sec */ | |
130 | #define PEEK_POKE_TIMEOUT (HZ/10) /* 0.1 sec */ | |
131 | ||
132 | /* ------------------------------------------------------------- */ | |
133 | ||
134 | #define c4outmeml(addr, value) writel(value, addr) | |
135 | #define c4inmeml(addr) readl(addr) | |
136 | #define c4outmemw(addr, value) writew(value, addr) | |
137 | #define c4inmemw(addr) readw(addr) | |
138 | #define c4outmemb(addr, value) writeb(value, addr) | |
139 | #define c4inmemb(addr) readb(addr) | |
140 | ||
141 | /* ------------------------------------------------------------- */ | |
142 | ||
143 | static inline int wait_for_doorbell(avmcard *card, unsigned long t) | |
144 | { | |
145 | unsigned long stop; | |
146 | ||
147 | stop = jiffies + t; | |
148 | while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) { | |
149 | if (!time_before(jiffies, stop)) | |
150 | return -1; | |
151 | mb(); | |
152 | } | |
153 | return 0; | |
154 | } | |
155 | ||
156 | static int c4_poke(avmcard *card, unsigned long off, unsigned long value) | |
157 | { | |
158 | ||
159 | if (wait_for_doorbell(card, HZ/10) < 0) | |
160 | return -1; | |
161 | ||
162 | c4outmeml(card->mbase+MBOX_PEEK_POKE, off); | |
163 | c4outmeml(card->mbase+DOORBELL, DBELL_ADDR); | |
164 | ||
165 | if (wait_for_doorbell(card, HZ/10) < 0) | |
166 | return -1; | |
167 | ||
168 | c4outmeml(card->mbase+MBOX_PEEK_POKE, value); | |
169 | c4outmeml(card->mbase+DOORBELL, DBELL_DATA | DBELL_ADDR); | |
170 | ||
171 | return 0; | |
172 | } | |
173 | ||
174 | static int c4_peek(avmcard *card, unsigned long off, unsigned long *valuep) | |
175 | { | |
176 | if (wait_for_doorbell(card, HZ/10) < 0) | |
177 | return -1; | |
178 | ||
179 | c4outmeml(card->mbase+MBOX_PEEK_POKE, off); | |
180 | c4outmeml(card->mbase+DOORBELL, DBELL_RNWR | DBELL_ADDR); | |
181 | ||
182 | if (wait_for_doorbell(card, HZ/10) < 0) | |
183 | return -1; | |
184 | ||
185 | *valuep = c4inmeml(card->mbase+MBOX_PEEK_POKE); | |
186 | ||
187 | return 0; | |
188 | } | |
189 | ||
190 | /* ------------------------------------------------------------- */ | |
191 | ||
192 | static int c4_load_t4file(avmcard *card, capiloaddatapart * t4file) | |
193 | { | |
194 | u32 val; | |
195 | unsigned char *dp; | |
196 | u_int left; | |
197 | u32 loadoff = 0; | |
198 | ||
199 | dp = t4file->data; | |
200 | left = t4file->len; | |
201 | while (left >= sizeof(u32)) { | |
202 | if (t4file->user) { | |
203 | if (copy_from_user(&val, dp, sizeof(val))) | |
204 | return -EFAULT; | |
205 | } else { | |
206 | memcpy(&val, dp, sizeof(val)); | |
207 | } | |
208 | if (c4_poke(card, loadoff, val)) { | |
209 | printk(KERN_ERR "%s: corrupted firmware file ?\n", | |
210 | card->name); | |
211 | return -EIO; | |
212 | } | |
213 | left -= sizeof(u32); | |
214 | dp += sizeof(u32); | |
215 | loadoff += sizeof(u32); | |
216 | } | |
217 | if (left) { | |
218 | val = 0; | |
219 | if (t4file->user) { | |
220 | if (copy_from_user(&val, dp, left)) | |
221 | return -EFAULT; | |
222 | } else { | |
223 | memcpy(&val, dp, left); | |
224 | } | |
225 | if (c4_poke(card, loadoff, val)) { | |
226 | printk(KERN_ERR "%s: corrupted firmware file ?\n", | |
227 | card->name); | |
228 | return -EIO; | |
229 | } | |
230 | } | |
231 | return 0; | |
232 | } | |
233 | ||
234 | /* ------------------------------------------------------------- */ | |
235 | ||
236 | static inline void _put_byte(void **pp, u8 val) | |
237 | { | |
238 | u8 *s = *pp; | |
239 | *s++ = val; | |
240 | *pp = s; | |
241 | } | |
242 | ||
243 | static inline void _put_word(void **pp, u32 val) | |
244 | { | |
245 | u8 *s = *pp; | |
246 | *s++ = val & 0xff; | |
247 | *s++ = (val >> 8) & 0xff; | |
248 | *s++ = (val >> 16) & 0xff; | |
249 | *s++ = (val >> 24) & 0xff; | |
250 | *pp = s; | |
251 | } | |
252 | ||
253 | static inline void _put_slice(void **pp, unsigned char *dp, unsigned int len) | |
254 | { | |
255 | unsigned i = len; | |
256 | _put_word(pp, i); | |
257 | while (i-- > 0) | |
258 | _put_byte(pp, *dp++); | |
259 | } | |
260 | ||
261 | static inline u8 _get_byte(void **pp) | |
262 | { | |
263 | u8 *s = *pp; | |
264 | u8 val; | |
265 | val = *s++; | |
266 | *pp = s; | |
267 | return val; | |
268 | } | |
269 | ||
270 | static inline u32 _get_word(void **pp) | |
271 | { | |
272 | u8 *s = *pp; | |
273 | u32 val; | |
274 | val = *s++; | |
275 | val |= (*s++ << 8); | |
276 | val |= (*s++ << 16); | |
277 | val |= (*s++ << 24); | |
278 | *pp = s; | |
279 | return val; | |
280 | } | |
281 | ||
282 | static inline u32 _get_slice(void **pp, unsigned char *dp) | |
283 | { | |
284 | unsigned int len, i; | |
285 | ||
286 | len = i = _get_word(pp); | |
287 | while (i-- > 0) *dp++ = _get_byte(pp); | |
288 | return len; | |
289 | } | |
290 | ||
291 | /* ------------------------------------------------------------- */ | |
292 | ||
293 | static void c4_reset(avmcard *card) | |
294 | { | |
295 | unsigned long stop; | |
296 | ||
297 | c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM); | |
298 | ||
299 | stop = jiffies + HZ*10; | |
300 | while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) { | |
301 | if (!time_before(jiffies, stop)) | |
302 | return; | |
303 | c4outmeml(card->mbase+DOORBELL, DBELL_ADDR); | |
304 | mb(); | |
305 | } | |
306 | ||
307 | c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0); | |
308 | c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0); | |
309 | } | |
310 | ||
311 | /* ------------------------------------------------------------- */ | |
312 | ||
313 | static int c4_detect(avmcard *card) | |
314 | { | |
315 | unsigned long stop, dummy; | |
316 | ||
317 | c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c); | |
318 | if (c4inmeml(card->mbase+PCI_OUT_INT_MASK) != 0x0c) | |
319 | return 1; | |
320 | ||
321 | c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM); | |
322 | ||
323 | stop = jiffies + HZ*10; | |
324 | while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) { | |
325 | if (!time_before(jiffies, stop)) | |
326 | return 2; | |
327 | c4outmeml(card->mbase+DOORBELL, DBELL_ADDR); | |
328 | mb(); | |
329 | } | |
330 | ||
331 | c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0); | |
332 | c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0); | |
333 | ||
334 | c4outmeml(card->mbase+MAILBOX_0, 0x55aa55aa); | |
335 | if (c4inmeml(card->mbase+MAILBOX_0) != 0x55aa55aa) return 3; | |
336 | ||
337 | c4outmeml(card->mbase+MAILBOX_0, 0xaa55aa55); | |
338 | if (c4inmeml(card->mbase+MAILBOX_0) != 0xaa55aa55) return 4; | |
339 | ||
340 | if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_SA_MASK, 0)) return 5; | |
341 | if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_PCI_MASK, 0)) return 6; | |
342 | if (c4_poke(card, DC21285_ARMCSR_BASE+SA_CONTROL, SA_CTL_ALLRIGHT)) | |
343 | return 7; | |
344 | if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_CYCLE, INIT_XBUS_CYCLE)) | |
345 | return 8; | |
346 | if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_STROBE, INIT_XBUS_STROBE)) | |
347 | return 8; | |
348 | if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, 0)) return 9; | |
349 | ||
350 | mdelay(1); | |
351 | ||
352 | if (c4_peek(card, DC21285_DRAM_A0MR, &dummy)) return 10; | |
353 | if (c4_peek(card, DC21285_DRAM_A1MR, &dummy)) return 11; | |
354 | if (c4_peek(card, DC21285_DRAM_A2MR, &dummy)) return 12; | |
355 | if (c4_peek(card, DC21285_DRAM_A3MR, &dummy)) return 13; | |
356 | ||
357 | if (c4_poke(card, DC21285_DRAM_A0MR+CAS_OFFSET, 0)) return 14; | |
358 | if (c4_poke(card, DC21285_DRAM_A1MR+CAS_OFFSET, 0)) return 15; | |
359 | if (c4_poke(card, DC21285_DRAM_A2MR+CAS_OFFSET, 0)) return 16; | |
360 | if (c4_poke(card, DC21285_DRAM_A3MR+CAS_OFFSET, 0)) return 17; | |
361 | ||
362 | mdelay(1); | |
363 | ||
364 | if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, DRAM_TIMING_DEF)) | |
365 | return 18; | |
366 | ||
367 | if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_0,DRAM_AD_SZ_DEF0)) | |
368 | return 19; | |
369 | if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_1,DRAM_AD_SZ_NULL)) | |
370 | return 20; | |
371 | if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_2,DRAM_AD_SZ_NULL)) | |
372 | return 21; | |
373 | if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_3,DRAM_AD_SZ_NULL)) | |
374 | return 22; | |
375 | ||
376 | /* Transputer test */ | |
377 | ||
378 | if ( c4_poke(card, 0x000000, 0x11111111) | |
379 | || c4_poke(card, 0x400000, 0x22222222) | |
380 | || c4_poke(card, 0x800000, 0x33333333) | |
381 | || c4_poke(card, 0xC00000, 0x44444444)) | |
382 | return 23; | |
383 | ||
384 | if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x11111111 | |
385 | || c4_peek(card, 0x400000, &dummy) || dummy != 0x22222222 | |
386 | || c4_peek(card, 0x800000, &dummy) || dummy != 0x33333333 | |
387 | || c4_peek(card, 0xC00000, &dummy) || dummy != 0x44444444) | |
388 | return 24; | |
389 | ||
390 | if ( c4_poke(card, 0x000000, 0x55555555) | |
391 | || c4_poke(card, 0x400000, 0x66666666) | |
392 | || c4_poke(card, 0x800000, 0x77777777) | |
393 | || c4_poke(card, 0xC00000, 0x88888888)) | |
394 | return 25; | |
395 | ||
396 | if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x55555555 | |
397 | || c4_peek(card, 0x400000, &dummy) || dummy != 0x66666666 | |
398 | || c4_peek(card, 0x800000, &dummy) || dummy != 0x77777777 | |
399 | || c4_peek(card, 0xC00000, &dummy) || dummy != 0x88888888) | |
400 | return 26; | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
405 | /* ------------------------------------------------------------- */ | |
406 | ||
407 | static void c4_dispatch_tx(avmcard *card) | |
408 | { | |
409 | avmcard_dmainfo *dma = card->dma; | |
410 | struct sk_buff *skb; | |
411 | u8 cmd, subcmd; | |
412 | u16 len; | |
413 | u32 txlen; | |
414 | void *p; | |
415 | ||
416 | ||
417 | if (card->csr & DBELL_DOWN_ARM) { /* tx busy */ | |
418 | return; | |
419 | } | |
420 | ||
421 | skb = skb_dequeue(&dma->send_queue); | |
422 | if (!skb) { | |
26fb5c58 | 423 | #ifdef AVM_C4_DEBUG |
1da177e4 LT |
424 | printk(KERN_DEBUG "%s: tx underrun\n", card->name); |
425 | #endif | |
426 | return; | |
427 | } | |
428 | ||
429 | len = CAPIMSG_LEN(skb->data); | |
430 | ||
431 | if (len) { | |
432 | cmd = CAPIMSG_COMMAND(skb->data); | |
433 | subcmd = CAPIMSG_SUBCOMMAND(skb->data); | |
434 | ||
435 | p = dma->sendbuf.dmabuf; | |
436 | ||
437 | if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) { | |
438 | u16 dlen = CAPIMSG_DATALEN(skb->data); | |
439 | _put_byte(&p, SEND_DATA_B3_REQ); | |
440 | _put_slice(&p, skb->data, len); | |
441 | _put_slice(&p, skb->data + len, dlen); | |
442 | } else { | |
443 | _put_byte(&p, SEND_MESSAGE); | |
444 | _put_slice(&p, skb->data, len); | |
445 | } | |
446 | txlen = (u8 *)p - (u8 *)dma->sendbuf.dmabuf; | |
26fb5c58 | 447 | #ifdef AVM_C4_DEBUG |
1da177e4 LT |
448 | printk(KERN_DEBUG "%s: tx put msg len=%d\n", card->name, txlen); |
449 | #endif | |
450 | } else { | |
451 | txlen = skb->len-2; | |
26fb5c58 | 452 | #ifdef AVM_C4_POLLDEBUG |
1da177e4 LT |
453 | if (skb->data[2] == SEND_POLLACK) |
454 | printk(KERN_INFO "%s: ack to c4\n", card->name); | |
455 | #endif | |
26fb5c58 | 456 | #ifdef AVM_C4_DEBUG |
1da177e4 LT |
457 | printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n", |
458 | card->name, skb->data[2], txlen); | |
459 | #endif | |
d626f62b ACM |
460 | skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf, |
461 | skb->len - 2); | |
1da177e4 LT |
462 | } |
463 | txlen = (txlen + 3) & ~3; | |
464 | ||
465 | c4outmeml(card->mbase+MBOX_DOWN_ADDR, dma->sendbuf.dmaaddr); | |
466 | c4outmeml(card->mbase+MBOX_DOWN_LEN, txlen); | |
467 | ||
468 | card->csr |= DBELL_DOWN_ARM; | |
469 | ||
470 | c4outmeml(card->mbase+DOORBELL, DBELL_DOWN_ARM); | |
471 | ||
472 | dev_kfree_skb_any(skb); | |
473 | } | |
474 | ||
475 | /* ------------------------------------------------------------- */ | |
476 | ||
477 | static void queue_pollack(avmcard *card) | |
478 | { | |
479 | struct sk_buff *skb; | |
480 | void *p; | |
481 | ||
482 | skb = alloc_skb(3, GFP_ATOMIC); | |
483 | if (!skb) { | |
484 | printk(KERN_CRIT "%s: no memory, lost poll ack\n", | |
485 | card->name); | |
486 | return; | |
487 | } | |
488 | p = skb->data; | |
489 | _put_byte(&p, 0); | |
490 | _put_byte(&p, 0); | |
491 | _put_byte(&p, SEND_POLLACK); | |
492 | skb_put(skb, (u8 *)p - (u8 *)skb->data); | |
493 | ||
494 | skb_queue_tail(&card->dma->send_queue, skb); | |
495 | c4_dispatch_tx(card); | |
496 | } | |
497 | ||
498 | /* ------------------------------------------------------------- */ | |
499 | ||
500 | static void c4_handle_rx(avmcard *card) | |
501 | { | |
502 | avmcard_dmainfo *dma = card->dma; | |
503 | struct capi_ctr *ctrl; | |
504 | avmctrl_info *cinfo; | |
505 | struct sk_buff *skb; | |
506 | void *p = dma->recvbuf.dmabuf; | |
507 | u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize; | |
508 | u8 b1cmd = _get_byte(&p); | |
509 | u32 cidx; | |
510 | ||
511 | ||
26fb5c58 | 512 | #ifdef AVM_C4_DEBUG |
1da177e4 LT |
513 | printk(KERN_DEBUG "%s: rx 0x%x len=%lu\n", card->name, |
514 | b1cmd, (unsigned long)dma->recvlen); | |
515 | #endif | |
516 | ||
517 | switch (b1cmd) { | |
518 | case RECEIVE_DATA_B3_IND: | |
519 | ||
520 | ApplId = (unsigned) _get_word(&p); | |
521 | MsgLen = _get_slice(&p, card->msgbuf); | |
522 | DataB3Len = _get_slice(&p, card->databuf); | |
523 | cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr; | |
524 | if (cidx >= card->nlogcontr) cidx = 0; | |
525 | ctrl = &card->ctrlinfo[cidx].capi_ctrl; | |
526 | ||
527 | if (MsgLen < 30) { /* not CAPI 64Bit */ | |
528 | memset(card->msgbuf+MsgLen, 0, 30-MsgLen); | |
529 | MsgLen = 30; | |
530 | CAPIMSG_SETLEN(card->msgbuf, 30); | |
531 | } | |
532 | if (!(skb = alloc_skb(DataB3Len+MsgLen, GFP_ATOMIC))) { | |
533 | printk(KERN_ERR "%s: incoming packet dropped\n", | |
534 | card->name); | |
535 | } else { | |
536 | memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); | |
537 | memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len); | |
538 | capi_ctr_handle_message(ctrl, ApplId, skb); | |
539 | } | |
540 | break; | |
541 | ||
542 | case RECEIVE_MESSAGE: | |
543 | ||
544 | ApplId = (unsigned) _get_word(&p); | |
545 | MsgLen = _get_slice(&p, card->msgbuf); | |
546 | cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr; | |
547 | if (cidx >= card->nlogcontr) cidx = 0; | |
548 | cinfo = &card->ctrlinfo[cidx]; | |
549 | ctrl = &card->ctrlinfo[cidx].capi_ctrl; | |
550 | ||
551 | if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) { | |
552 | printk(KERN_ERR "%s: incoming packet dropped\n", | |
553 | card->name); | |
554 | } else { | |
555 | memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); | |
556 | if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) | |
557 | capilib_data_b3_conf(&cinfo->ncci_head, ApplId, | |
558 | CAPIMSG_NCCI(skb->data), | |
559 | CAPIMSG_MSGID(skb->data)); | |
560 | ||
561 | capi_ctr_handle_message(ctrl, ApplId, skb); | |
562 | } | |
563 | break; | |
564 | ||
565 | case RECEIVE_NEW_NCCI: | |
566 | ||
567 | ApplId = _get_word(&p); | |
568 | NCCI = _get_word(&p); | |
569 | WindowSize = _get_word(&p); | |
570 | cidx = (NCCI&0x7f) - card->cardnr; | |
571 | if (cidx >= card->nlogcontr) cidx = 0; | |
572 | ||
573 | capilib_new_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI, WindowSize); | |
574 | ||
575 | break; | |
576 | ||
577 | case RECEIVE_FREE_NCCI: | |
578 | ||
579 | ApplId = _get_word(&p); | |
580 | NCCI = _get_word(&p); | |
581 | ||
582 | if (NCCI != 0xffffffff) { | |
583 | cidx = (NCCI&0x7f) - card->cardnr; | |
584 | if (cidx >= card->nlogcontr) cidx = 0; | |
585 | capilib_free_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI); | |
586 | } | |
587 | break; | |
588 | ||
589 | case RECEIVE_START: | |
26fb5c58 | 590 | #ifdef AVM_C4_POLLDEBUG |
1da177e4 LT |
591 | printk(KERN_INFO "%s: poll from c4\n", card->name); |
592 | #endif | |
593 | if (!suppress_pollack) | |
594 | queue_pollack(card); | |
595 | for (cidx=0; cidx < card->nr_controllers; cidx++) { | |
596 | ctrl = &card->ctrlinfo[cidx].capi_ctrl; | |
597 | capi_ctr_resume_output(ctrl); | |
598 | } | |
599 | break; | |
600 | ||
601 | case RECEIVE_STOP: | |
602 | for (cidx=0; cidx < card->nr_controllers; cidx++) { | |
603 | ctrl = &card->ctrlinfo[cidx].capi_ctrl; | |
604 | capi_ctr_suspend_output(ctrl); | |
605 | } | |
606 | break; | |
607 | ||
608 | case RECEIVE_INIT: | |
609 | ||
610 | cidx = card->nlogcontr; | |
611 | if (cidx >= card->nr_controllers) { | |
612 | printk(KERN_ERR "%s: card with %d controllers ??\n", | |
613 | card->name, cidx+1); | |
614 | break; | |
615 | } | |
616 | card->nlogcontr++; | |
617 | cinfo = &card->ctrlinfo[cidx]; | |
618 | ctrl = &cinfo->capi_ctrl; | |
619 | cinfo->versionlen = _get_slice(&p, cinfo->versionbuf); | |
620 | b1_parse_version(cinfo); | |
621 | printk(KERN_INFO "%s: %s-card (%s) now active\n", | |
622 | card->name, | |
623 | cinfo->version[VER_CARDTYPE], | |
624 | cinfo->version[VER_DRIVER]); | |
625 | capi_ctr_ready(&cinfo->capi_ctrl); | |
626 | break; | |
627 | ||
628 | case RECEIVE_TASK_READY: | |
629 | ApplId = (unsigned) _get_word(&p); | |
630 | MsgLen = _get_slice(&p, card->msgbuf); | |
631 | card->msgbuf[MsgLen] = 0; | |
632 | while ( MsgLen > 0 | |
633 | && ( card->msgbuf[MsgLen-1] == '\n' | |
634 | || card->msgbuf[MsgLen-1] == '\r')) { | |
635 | card->msgbuf[MsgLen-1] = 0; | |
636 | MsgLen--; | |
637 | } | |
638 | printk(KERN_INFO "%s: task %d \"%s\" ready.\n", | |
639 | card->name, ApplId, card->msgbuf); | |
640 | break; | |
641 | ||
642 | case RECEIVE_DEBUGMSG: | |
643 | MsgLen = _get_slice(&p, card->msgbuf); | |
644 | card->msgbuf[MsgLen] = 0; | |
645 | while ( MsgLen > 0 | |
646 | && ( card->msgbuf[MsgLen-1] == '\n' | |
647 | || card->msgbuf[MsgLen-1] == '\r')) { | |
648 | card->msgbuf[MsgLen-1] = 0; | |
649 | MsgLen--; | |
650 | } | |
651 | printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf); | |
652 | break; | |
653 | ||
654 | default: | |
655 | printk(KERN_ERR "%s: c4_interrupt: 0x%x ???\n", | |
656 | card->name, b1cmd); | |
657 | return; | |
658 | } | |
659 | } | |
660 | ||
661 | /* ------------------------------------------------------------- */ | |
662 | ||
663 | static irqreturn_t c4_handle_interrupt(avmcard *card) | |
664 | { | |
665 | unsigned long flags; | |
666 | u32 status; | |
667 | ||
668 | spin_lock_irqsave(&card->lock, flags); | |
669 | status = c4inmeml(card->mbase+DOORBELL); | |
670 | ||
671 | if (status & DBELL_RESET_HOST) { | |
672 | u_int i; | |
673 | c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c); | |
674 | spin_unlock_irqrestore(&card->lock, flags); | |
675 | if (card->nlogcontr == 0) | |
676 | return IRQ_HANDLED; | |
677 | printk(KERN_ERR "%s: unexpected reset\n", card->name); | |
678 | for (i=0; i < card->nr_controllers; i++) { | |
679 | avmctrl_info *cinfo = &card->ctrlinfo[i]; | |
680 | memset(cinfo->version, 0, sizeof(cinfo->version)); | |
eac141de | 681 | spin_lock_irqsave(&card->lock, flags); |
1da177e4 | 682 | capilib_release(&cinfo->ncci_head); |
eac141de | 683 | spin_unlock_irqrestore(&card->lock, flags); |
1da177e4 LT |
684 | capi_ctr_reseted(&cinfo->capi_ctrl); |
685 | } | |
686 | card->nlogcontr = 0; | |
687 | return IRQ_HANDLED; | |
688 | } | |
689 | ||
690 | status &= (DBELL_UP_HOST | DBELL_DOWN_HOST); | |
691 | if (!status) { | |
692 | spin_unlock_irqrestore(&card->lock, flags); | |
693 | return IRQ_HANDLED; | |
694 | } | |
695 | c4outmeml(card->mbase+DOORBELL, status); | |
696 | ||
697 | if ((status & DBELL_UP_HOST) != 0) { | |
698 | card->dma->recvlen = c4inmeml(card->mbase+MBOX_UP_LEN); | |
699 | c4outmeml(card->mbase+MBOX_UP_LEN, 0); | |
700 | c4_handle_rx(card); | |
701 | card->dma->recvlen = 0; | |
702 | c4outmeml(card->mbase+MBOX_UP_LEN, card->dma->recvbuf.size); | |
703 | c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM); | |
704 | } | |
705 | ||
706 | if ((status & DBELL_DOWN_HOST) != 0) { | |
707 | card->csr &= ~DBELL_DOWN_ARM; | |
708 | c4_dispatch_tx(card); | |
709 | } else if (card->csr & DBELL_DOWN_HOST) { | |
710 | if (c4inmeml(card->mbase+MBOX_DOWN_LEN) == 0) { | |
711 | card->csr &= ~DBELL_DOWN_ARM; | |
712 | c4_dispatch_tx(card); | |
713 | } | |
714 | } | |
715 | spin_unlock_irqrestore(&card->lock, flags); | |
716 | return IRQ_HANDLED; | |
717 | } | |
718 | ||
7d12e780 | 719 | static irqreturn_t c4_interrupt(int interrupt, void *devptr) |
1da177e4 LT |
720 | { |
721 | avmcard *card = devptr; | |
722 | ||
723 | return c4_handle_interrupt(card); | |
724 | } | |
725 | ||
726 | /* ------------------------------------------------------------- */ | |
727 | ||
728 | static void c4_send_init(avmcard *card) | |
729 | { | |
730 | struct sk_buff *skb; | |
731 | void *p; | |
1ccfd633 | 732 | unsigned long flags; |
1da177e4 LT |
733 | |
734 | skb = alloc_skb(15, GFP_ATOMIC); | |
735 | if (!skb) { | |
736 | printk(KERN_CRIT "%s: no memory, lost register appl.\n", | |
737 | card->name); | |
738 | return; | |
739 | } | |
740 | p = skb->data; | |
741 | _put_byte(&p, 0); | |
742 | _put_byte(&p, 0); | |
743 | _put_byte(&p, SEND_INIT); | |
744 | _put_word(&p, CAPI_MAXAPPL); | |
745 | _put_word(&p, AVM_NCCI_PER_CHANNEL*30); | |
746 | _put_word(&p, card->cardnr - 1); | |
747 | skb_put(skb, (u8 *)p - (u8 *)skb->data); | |
748 | ||
749 | skb_queue_tail(&card->dma->send_queue, skb); | |
1ccfd633 | 750 | spin_lock_irqsave(&card->lock, flags); |
1da177e4 | 751 | c4_dispatch_tx(card); |
1ccfd633 | 752 | spin_unlock_irqrestore(&card->lock, flags); |
1da177e4 LT |
753 | } |
754 | ||
755 | static int queue_sendconfigword(avmcard *card, u32 val) | |
756 | { | |
757 | struct sk_buff *skb; | |
1ccfd633 | 758 | unsigned long flags; |
1da177e4 LT |
759 | void *p; |
760 | ||
761 | skb = alloc_skb(3+4, GFP_ATOMIC); | |
762 | if (!skb) { | |
763 | printk(KERN_CRIT "%s: no memory, send config\n", | |
764 | card->name); | |
765 | return -ENOMEM; | |
766 | } | |
767 | p = skb->data; | |
768 | _put_byte(&p, 0); | |
769 | _put_byte(&p, 0); | |
770 | _put_byte(&p, SEND_CONFIG); | |
771 | _put_word(&p, val); | |
772 | skb_put(skb, (u8 *)p - (u8 *)skb->data); | |
773 | ||
774 | skb_queue_tail(&card->dma->send_queue, skb); | |
1ccfd633 | 775 | spin_lock_irqsave(&card->lock, flags); |
1da177e4 | 776 | c4_dispatch_tx(card); |
1ccfd633 | 777 | spin_unlock_irqrestore(&card->lock, flags); |
1da177e4 LT |
778 | return 0; |
779 | } | |
780 | ||
781 | static int queue_sendconfig(avmcard *card, char cval[4]) | |
782 | { | |
783 | struct sk_buff *skb; | |
784 | unsigned long flags; | |
785 | void *p; | |
786 | ||
787 | skb = alloc_skb(3+4, GFP_ATOMIC); | |
788 | if (!skb) { | |
789 | printk(KERN_CRIT "%s: no memory, send config\n", | |
790 | card->name); | |
791 | return -ENOMEM; | |
792 | } | |
793 | p = skb->data; | |
794 | _put_byte(&p, 0); | |
795 | _put_byte(&p, 0); | |
796 | _put_byte(&p, SEND_CONFIG); | |
797 | _put_byte(&p, cval[0]); | |
798 | _put_byte(&p, cval[1]); | |
799 | _put_byte(&p, cval[2]); | |
800 | _put_byte(&p, cval[3]); | |
801 | skb_put(skb, (u8 *)p - (u8 *)skb->data); | |
802 | ||
803 | skb_queue_tail(&card->dma->send_queue, skb); | |
804 | ||
805 | spin_lock_irqsave(&card->lock, flags); | |
806 | c4_dispatch_tx(card); | |
807 | spin_unlock_irqrestore(&card->lock, flags); | |
808 | return 0; | |
809 | } | |
810 | ||
811 | static int c4_send_config(avmcard *card, capiloaddatapart * config) | |
812 | { | |
813 | u8 val[4]; | |
814 | unsigned char *dp; | |
815 | u_int left; | |
816 | int retval; | |
817 | ||
818 | if ((retval = queue_sendconfigword(card, 1)) != 0) | |
819 | return retval; | |
820 | if ((retval = queue_sendconfigword(card, config->len)) != 0) | |
821 | return retval; | |
822 | ||
823 | dp = config->data; | |
824 | left = config->len; | |
825 | while (left >= sizeof(u32)) { | |
826 | if (config->user) { | |
827 | if (copy_from_user(val, dp, sizeof(val))) | |
828 | return -EFAULT; | |
829 | } else { | |
830 | memcpy(val, dp, sizeof(val)); | |
831 | } | |
832 | if ((retval = queue_sendconfig(card, val)) != 0) | |
833 | return retval; | |
834 | left -= sizeof(val); | |
835 | dp += sizeof(val); | |
836 | } | |
837 | if (left) { | |
838 | memset(val, 0, sizeof(val)); | |
839 | if (config->user) { | |
840 | if (copy_from_user(&val, dp, left)) | |
841 | return -EFAULT; | |
842 | } else { | |
843 | memcpy(&val, dp, left); | |
844 | } | |
845 | if ((retval = queue_sendconfig(card, val)) != 0) | |
846 | return retval; | |
847 | } | |
848 | ||
849 | return 0; | |
850 | } | |
851 | ||
852 | static int c4_load_firmware(struct capi_ctr *ctrl, capiloaddata *data) | |
853 | { | |
854 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
855 | avmcard *card = cinfo->card; | |
856 | int retval; | |
857 | ||
858 | if ((retval = c4_load_t4file(card, &data->firmware))) { | |
859 | printk(KERN_ERR "%s: failed to load t4file!!\n", | |
860 | card->name); | |
861 | c4_reset(card); | |
862 | return retval; | |
863 | } | |
864 | ||
865 | card->csr = 0; | |
866 | c4outmeml(card->mbase+MBOX_UP_LEN, 0); | |
867 | c4outmeml(card->mbase+MBOX_DOWN_LEN, 0); | |
868 | c4outmeml(card->mbase+DOORBELL, DBELL_INIT); | |
869 | mdelay(1); | |
870 | c4outmeml(card->mbase+DOORBELL, | |
871 | DBELL_UP_HOST | DBELL_DOWN_HOST | DBELL_RESET_HOST); | |
872 | ||
873 | c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x08); | |
874 | ||
875 | card->dma->recvlen = 0; | |
876 | c4outmeml(card->mbase+MBOX_UP_ADDR, card->dma->recvbuf.dmaaddr); | |
877 | c4outmeml(card->mbase+MBOX_UP_LEN, card->dma->recvbuf.size); | |
878 | c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM); | |
879 | ||
880 | if (data->configuration.len > 0 && data->configuration.data) { | |
881 | retval = c4_send_config(card, &data->configuration); | |
882 | if (retval) { | |
883 | printk(KERN_ERR "%s: failed to set config!!\n", | |
884 | card->name); | |
885 | c4_reset(card); | |
886 | return retval; | |
887 | } | |
888 | } | |
889 | ||
890 | c4_send_init(card); | |
891 | ||
892 | return 0; | |
893 | } | |
894 | ||
895 | ||
08e51533 | 896 | static void c4_reset_ctr(struct capi_ctr *ctrl) |
1da177e4 LT |
897 | { |
898 | avmcard *card = ((avmctrl_info *)(ctrl->driverdata))->card; | |
899 | avmctrl_info *cinfo; | |
900 | u_int i; | |
901 | unsigned long flags; | |
902 | ||
903 | spin_lock_irqsave(&card->lock, flags); | |
904 | ||
905 | c4_reset(card); | |
906 | ||
907 | spin_unlock_irqrestore(&card->lock, flags); | |
908 | ||
909 | for (i=0; i < card->nr_controllers; i++) { | |
910 | cinfo = &card->ctrlinfo[i]; | |
911 | memset(cinfo->version, 0, sizeof(cinfo->version)); | |
912 | capi_ctr_reseted(&cinfo->capi_ctrl); | |
913 | } | |
914 | card->nlogcontr = 0; | |
915 | } | |
916 | ||
917 | static void c4_remove(struct pci_dev *pdev) | |
918 | { | |
919 | avmcard *card = pci_get_drvdata(pdev); | |
920 | avmctrl_info *cinfo; | |
921 | u_int i; | |
922 | ||
923 | if (!card) | |
924 | return; | |
925 | ||
926 | c4_reset(card); | |
927 | ||
928 | for (i=0; i < card->nr_controllers; i++) { | |
929 | cinfo = &card->ctrlinfo[i]; | |
930 | detach_capi_ctr(&cinfo->capi_ctrl); | |
931 | } | |
932 | ||
933 | free_irq(card->irq, card); | |
934 | iounmap(card->mbase); | |
935 | release_region(card->port, AVMB1_PORTLEN); | |
936 | avmcard_dma_free(card->dma); | |
937 | pci_set_drvdata(pdev, NULL); | |
938 | b1_free_card(card); | |
939 | } | |
940 | ||
941 | /* ------------------------------------------------------------- */ | |
942 | ||
943 | ||
08e51533 | 944 | static void c4_register_appl(struct capi_ctr *ctrl, |
1da177e4 LT |
945 | u16 appl, |
946 | capi_register_params *rp) | |
947 | { | |
948 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
949 | avmcard *card = cinfo->card; | |
950 | struct sk_buff *skb; | |
951 | int want = rp->level3cnt; | |
952 | unsigned long flags; | |
953 | int nconn; | |
954 | void *p; | |
955 | ||
956 | if (ctrl->cnr == card->cardnr) { | |
957 | ||
958 | if (want > 0) nconn = want; | |
959 | else nconn = ctrl->profile.nbchannel * 4 * -want; | |
960 | if (nconn == 0) nconn = ctrl->profile.nbchannel * 4; | |
961 | ||
962 | skb = alloc_skb(23, GFP_ATOMIC); | |
963 | if (!skb) { | |
964 | printk(KERN_CRIT "%s: no memory, lost register appl.\n", | |
965 | card->name); | |
966 | return; | |
967 | } | |
968 | p = skb->data; | |
969 | _put_byte(&p, 0); | |
970 | _put_byte(&p, 0); | |
971 | _put_byte(&p, SEND_REGISTER); | |
972 | _put_word(&p, appl); | |
973 | _put_word(&p, 1024 * (nconn+1)); | |
974 | _put_word(&p, nconn); | |
975 | _put_word(&p, rp->datablkcnt); | |
976 | _put_word(&p, rp->datablklen); | |
977 | skb_put(skb, (u8 *)p - (u8 *)skb->data); | |
978 | ||
979 | skb_queue_tail(&card->dma->send_queue, skb); | |
980 | ||
981 | spin_lock_irqsave(&card->lock, flags); | |
982 | c4_dispatch_tx(card); | |
983 | spin_unlock_irqrestore(&card->lock, flags); | |
984 | } | |
985 | } | |
986 | ||
987 | /* ------------------------------------------------------------- */ | |
988 | ||
08e51533 | 989 | static void c4_release_appl(struct capi_ctr *ctrl, u16 appl) |
1da177e4 LT |
990 | { |
991 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
992 | avmcard *card = cinfo->card; | |
993 | unsigned long flags; | |
994 | struct sk_buff *skb; | |
995 | void *p; | |
996 | ||
1ccfd633 | 997 | spin_lock_irqsave(&card->lock, flags); |
1da177e4 | 998 | capilib_release_appl(&cinfo->ncci_head, appl); |
1ccfd633 | 999 | spin_unlock_irqrestore(&card->lock, flags); |
1da177e4 LT |
1000 | |
1001 | if (ctrl->cnr == card->cardnr) { | |
1002 | skb = alloc_skb(7, GFP_ATOMIC); | |
1003 | if (!skb) { | |
1004 | printk(KERN_CRIT "%s: no memory, lost release appl.\n", | |
1005 | card->name); | |
1006 | return; | |
1007 | } | |
1008 | p = skb->data; | |
1009 | _put_byte(&p, 0); | |
1010 | _put_byte(&p, 0); | |
1011 | _put_byte(&p, SEND_RELEASE); | |
1012 | _put_word(&p, appl); | |
1013 | ||
1014 | skb_put(skb, (u8 *)p - (u8 *)skb->data); | |
1015 | skb_queue_tail(&card->dma->send_queue, skb); | |
1016 | spin_lock_irqsave(&card->lock, flags); | |
1017 | c4_dispatch_tx(card); | |
1018 | spin_unlock_irqrestore(&card->lock, flags); | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | /* ------------------------------------------------------------- */ | |
1023 | ||
1024 | ||
1025 | static u16 c4_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) | |
1026 | { | |
1027 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
1028 | avmcard *card = cinfo->card; | |
1029 | u16 retval = CAPI_NOERROR; | |
1030 | unsigned long flags; | |
1031 | ||
1ccfd633 KK |
1032 | spin_lock_irqsave(&card->lock, flags); |
1033 | if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_REQ) { | |
1da177e4 LT |
1034 | retval = capilib_data_b3_req(&cinfo->ncci_head, |
1035 | CAPIMSG_APPID(skb->data), | |
1036 | CAPIMSG_NCCI(skb->data), | |
1037 | CAPIMSG_MSGID(skb->data)); | |
1038 | } | |
1039 | if (retval == CAPI_NOERROR) { | |
1040 | skb_queue_tail(&card->dma->send_queue, skb); | |
1da177e4 | 1041 | c4_dispatch_tx(card); |
1da177e4 | 1042 | } |
1ccfd633 | 1043 | spin_unlock_irqrestore(&card->lock, flags); |
1da177e4 LT |
1044 | return retval; |
1045 | } | |
1046 | ||
1047 | /* ------------------------------------------------------------- */ | |
1048 | ||
1049 | static char *c4_procinfo(struct capi_ctr *ctrl) | |
1050 | { | |
1051 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
1052 | ||
1053 | if (!cinfo) | |
1054 | return ""; | |
1055 | sprintf(cinfo->infobuf, "%s %s 0x%x %d 0x%lx", | |
1056 | cinfo->cardname[0] ? cinfo->cardname : "-", | |
1057 | cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-", | |
1058 | cinfo->card ? cinfo->card->port : 0x0, | |
1059 | cinfo->card ? cinfo->card->irq : 0, | |
1060 | cinfo->card ? cinfo->card->membase : 0 | |
1061 | ); | |
1062 | return cinfo->infobuf; | |
1063 | } | |
1064 | ||
1065 | static int c4_read_proc(char *page, char **start, off_t off, | |
1066 | int count, int *eof, struct capi_ctr *ctrl) | |
1067 | { | |
1068 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
1069 | avmcard *card = cinfo->card; | |
1070 | u8 flag; | |
1071 | int len = 0; | |
1072 | char *s; | |
1073 | ||
1074 | len += sprintf(page+len, "%-16s %s\n", "name", card->name); | |
1075 | len += sprintf(page+len, "%-16s 0x%x\n", "io", card->port); | |
1076 | len += sprintf(page+len, "%-16s %d\n", "irq", card->irq); | |
1077 | len += sprintf(page+len, "%-16s 0x%lx\n", "membase", card->membase); | |
1078 | switch (card->cardtype) { | |
1079 | case avm_b1isa: s = "B1 ISA"; break; | |
1080 | case avm_b1pci: s = "B1 PCI"; break; | |
1081 | case avm_b1pcmcia: s = "B1 PCMCIA"; break; | |
1082 | case avm_m1: s = "M1"; break; | |
1083 | case avm_m2: s = "M2"; break; | |
1084 | case avm_t1isa: s = "T1 ISA (HEMA)"; break; | |
1085 | case avm_t1pci: s = "T1 PCI"; break; | |
1086 | case avm_c4: s = "C4"; break; | |
1087 | case avm_c2: s = "C2"; break; | |
1088 | default: s = "???"; break; | |
1089 | } | |
1090 | len += sprintf(page+len, "%-16s %s\n", "type", s); | |
8e44b29d | 1091 | if ((s = cinfo->version[VER_DRIVER]) != NULL) |
1da177e4 | 1092 | len += sprintf(page+len, "%-16s %s\n", "ver_driver", s); |
8e44b29d | 1093 | if ((s = cinfo->version[VER_CARDTYPE]) != NULL) |
1da177e4 | 1094 | len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s); |
8e44b29d | 1095 | if ((s = cinfo->version[VER_SERIAL]) != NULL) |
1da177e4 LT |
1096 | len += sprintf(page+len, "%-16s %s\n", "ver_serial", s); |
1097 | ||
1098 | if (card->cardtype != avm_m1) { | |
1099 | flag = ((u8 *)(ctrl->profile.manu))[3]; | |
1100 | if (flag) | |
1101 | len += sprintf(page+len, "%-16s%s%s%s%s%s%s%s\n", | |
1102 | "protocol", | |
1103 | (flag & 0x01) ? " DSS1" : "", | |
1104 | (flag & 0x02) ? " CT1" : "", | |
1105 | (flag & 0x04) ? " VN3" : "", | |
1106 | (flag & 0x08) ? " NI1" : "", | |
1107 | (flag & 0x10) ? " AUSTEL" : "", | |
1108 | (flag & 0x20) ? " ESS" : "", | |
1109 | (flag & 0x40) ? " 1TR6" : "" | |
1110 | ); | |
1111 | } | |
1112 | if (card->cardtype != avm_m1) { | |
1113 | flag = ((u8 *)(ctrl->profile.manu))[5]; | |
1114 | if (flag) | |
1115 | len += sprintf(page+len, "%-16s%s%s%s%s\n", | |
1116 | "linetype", | |
1117 | (flag & 0x01) ? " point to point" : "", | |
1118 | (flag & 0x02) ? " point to multipoint" : "", | |
1119 | (flag & 0x08) ? " leased line without D-channel" : "", | |
1120 | (flag & 0x04) ? " leased line with D-channel" : "" | |
1121 | ); | |
1122 | } | |
1123 | len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname); | |
1124 | ||
1125 | if (off+count >= len) | |
1126 | *eof = 1; | |
1127 | if (len < off) | |
1128 | return 0; | |
1129 | *start = page + off; | |
1130 | return ((count < len-off) ? count : len-off); | |
1131 | } | |
1132 | ||
1133 | /* ------------------------------------------------------------- */ | |
1134 | ||
1135 | static int c4_add_card(struct capicardparams *p, struct pci_dev *dev, | |
1136 | int nr_controllers) | |
1137 | { | |
1138 | avmcard *card; | |
1139 | avmctrl_info *cinfo; | |
1140 | int retval; | |
1141 | int i; | |
1142 | ||
1143 | card = b1_alloc_card(nr_controllers); | |
1144 | if (!card) { | |
1145 | printk(KERN_WARNING "c4: no memory.\n"); | |
1146 | retval = -ENOMEM; | |
1147 | goto err; | |
1148 | } | |
1149 | card->dma = avmcard_dma_alloc("c4", dev, 2048+128, 2048+128); | |
1150 | if (!card->dma) { | |
1151 | printk(KERN_WARNING "c4: no memory.\n"); | |
1152 | retval = -ENOMEM; | |
1153 | goto err_free; | |
1154 | } | |
1155 | ||
1156 | sprintf(card->name, "c%d-%x", nr_controllers, p->port); | |
1157 | card->port = p->port; | |
1158 | card->irq = p->irq; | |
1159 | card->membase = p->membase; | |
1160 | card->cardtype = (nr_controllers == 4) ? avm_c4 : avm_c2; | |
1161 | ||
1162 | if (!request_region(card->port, AVMB1_PORTLEN, card->name)) { | |
1163 | printk(KERN_WARNING "c4: ports 0x%03x-0x%03x in use.\n", | |
1164 | card->port, card->port + AVMB1_PORTLEN); | |
1165 | retval = -EBUSY; | |
1166 | goto err_free_dma; | |
1167 | } | |
1168 | ||
1169 | card->mbase = ioremap(card->membase, 128); | |
8e44b29d | 1170 | if (card->mbase == NULL) { |
1da177e4 LT |
1171 | printk(KERN_NOTICE "c4: can't remap memory at 0x%lx\n", |
1172 | card->membase); | |
1173 | retval = -EIO; | |
1174 | goto err_release_region; | |
1175 | } | |
1176 | ||
1177 | retval = c4_detect(card); | |
1178 | if (retval != 0) { | |
1179 | printk(KERN_NOTICE "c4: NO card at 0x%x error(%d)\n", | |
1180 | card->port, retval); | |
1181 | retval = -EIO; | |
1182 | goto err_unmap; | |
1183 | } | |
1184 | c4_reset(card); | |
1185 | ||
9ba02bec | 1186 | retval = request_irq(card->irq, c4_interrupt, IRQF_SHARED, card->name, card); |
1da177e4 LT |
1187 | if (retval) { |
1188 | printk(KERN_ERR "c4: unable to get IRQ %d.\n",card->irq); | |
1189 | retval = -EBUSY; | |
1190 | goto err_unmap; | |
1191 | } | |
1192 | ||
1193 | for (i=0; i < nr_controllers ; i++) { | |
1194 | cinfo = &card->ctrlinfo[i]; | |
1195 | cinfo->capi_ctrl.owner = THIS_MODULE; | |
1196 | cinfo->capi_ctrl.driver_name = "c4"; | |
1197 | cinfo->capi_ctrl.driverdata = cinfo; | |
1198 | cinfo->capi_ctrl.register_appl = c4_register_appl; | |
1199 | cinfo->capi_ctrl.release_appl = c4_release_appl; | |
1200 | cinfo->capi_ctrl.send_message = c4_send_message; | |
1201 | cinfo->capi_ctrl.load_firmware = c4_load_firmware; | |
1202 | cinfo->capi_ctrl.reset_ctr = c4_reset_ctr; | |
1203 | cinfo->capi_ctrl.procinfo = c4_procinfo; | |
1204 | cinfo->capi_ctrl.ctr_read_proc = c4_read_proc; | |
1205 | strcpy(cinfo->capi_ctrl.name, card->name); | |
1206 | ||
1207 | retval = attach_capi_ctr(&cinfo->capi_ctrl); | |
1208 | if (retval) { | |
1209 | printk(KERN_ERR "c4: attach controller failed (%d).\n", i); | |
1210 | for (i--; i >= 0; i--) { | |
1211 | cinfo = &card->ctrlinfo[i]; | |
1212 | detach_capi_ctr(&cinfo->capi_ctrl); | |
1213 | } | |
1214 | goto err_free_irq; | |
1215 | } | |
1216 | if (i == 0) | |
1217 | card->cardnr = cinfo->capi_ctrl.cnr; | |
1218 | } | |
1219 | ||
1220 | printk(KERN_INFO "c4: AVM C%d at i/o %#x, irq %d, mem %#lx\n", | |
1221 | nr_controllers, card->port, card->irq, | |
1222 | card->membase); | |
1223 | pci_set_drvdata(dev, card); | |
1224 | return 0; | |
1225 | ||
1226 | err_free_irq: | |
1227 | free_irq(card->irq, card); | |
1228 | err_unmap: | |
1229 | iounmap(card->mbase); | |
1230 | err_release_region: | |
1231 | release_region(card->port, AVMB1_PORTLEN); | |
1232 | err_free_dma: | |
1233 | avmcard_dma_free(card->dma); | |
1234 | err_free: | |
1235 | b1_free_card(card); | |
1236 | err: | |
1237 | return retval; | |
1238 | } | |
1239 | ||
1240 | /* ------------------------------------------------------------- */ | |
1241 | ||
1242 | static int __devinit c4_probe(struct pci_dev *dev, | |
1243 | const struct pci_device_id *ent) | |
1244 | { | |
1245 | int nr = ent->driver_data; | |
1246 | int retval = 0; | |
1247 | struct capicardparams param; | |
1248 | ||
1249 | if (pci_enable_device(dev) < 0) { | |
1250 | printk(KERN_ERR "c4: failed to enable AVM-C%d\n", nr); | |
1251 | return -ENODEV; | |
1252 | } | |
1253 | pci_set_master(dev); | |
1254 | ||
1255 | param.port = pci_resource_start(dev, 1); | |
1256 | param.irq = dev->irq; | |
1257 | param.membase = pci_resource_start(dev, 0); | |
1258 | ||
1259 | printk(KERN_INFO "c4: PCI BIOS reports AVM-C%d at i/o %#x, irq %d, mem %#x\n", | |
1260 | nr, param.port, param.irq, param.membase); | |
1261 | ||
1262 | retval = c4_add_card(¶m, dev, nr); | |
1263 | if (retval != 0) { | |
1264 | printk(KERN_ERR "c4: no AVM-C%d at i/o %#x, irq %d detected, mem %#x\n", | |
1265 | nr, param.port, param.irq, param.membase); | |
1266 | return -ENODEV; | |
1267 | } | |
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static struct pci_driver c4_pci_driver = { | |
1272 | .name = "c4", | |
1273 | .id_table = c4_pci_tbl, | |
1274 | .probe = c4_probe, | |
1275 | .remove = c4_remove, | |
1276 | }; | |
1277 | ||
1278 | static struct capi_driver capi_driver_c2 = { | |
1279 | .name = "c2", | |
1280 | .revision = "1.0", | |
1281 | }; | |
1282 | ||
1283 | static struct capi_driver capi_driver_c4 = { | |
1284 | .name = "c4", | |
1285 | .revision = "1.0", | |
1286 | }; | |
1287 | ||
1288 | static int __init c4_init(void) | |
1289 | { | |
1290 | char *p; | |
1291 | char rev[32]; | |
1292 | int err; | |
1293 | ||
8e44b29d | 1294 | if ((p = strchr(revision, ':')) != NULL && p[1]) { |
1da177e4 | 1295 | strlcpy(rev, p + 2, 32); |
8e44b29d | 1296 | if ((p = strchr(rev, '$')) != NULL && p > rev) |
1da177e4 LT |
1297 | *(p-1) = 0; |
1298 | } else | |
1299 | strcpy(rev, "1.0"); | |
1300 | ||
1301 | err = pci_register_driver(&c4_pci_driver); | |
1302 | if (!err) { | |
1303 | strlcpy(capi_driver_c2.revision, rev, 32); | |
1304 | register_capi_driver(&capi_driver_c2); | |
1305 | strlcpy(capi_driver_c4.revision, rev, 32); | |
1306 | register_capi_driver(&capi_driver_c4); | |
1307 | printk(KERN_INFO "c4: revision %s\n", rev); | |
1308 | } | |
1309 | return err; | |
1310 | } | |
1311 | ||
1312 | static void __exit c4_exit(void) | |
1313 | { | |
1314 | unregister_capi_driver(&capi_driver_c2); | |
1315 | unregister_capi_driver(&capi_driver_c4); | |
1316 | pci_unregister_driver(&c4_pci_driver); | |
1317 | } | |
1318 | ||
1319 | module_init(c4_init); | |
1320 | module_exit(c4_exit); |