Commit | Line | Data |
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1da177e4 | 1 | /* $Id: b1pci.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $ |
475be4d8 | 2 | * |
1da177e4 | 3 | * Module for AVM B1 PCI-card. |
475be4d8 | 4 | * |
1da177e4 | 5 | * Copyright 1999 by Carsten Paeth <calle@calle.de> |
475be4d8 | 6 | * |
1da177e4 LT |
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 <asm/io.h> | |
22 | #include <linux/init.h> | |
23 | #include <linux/isdn/capicmd.h> | |
24 | #include <linux/isdn/capiutil.h> | |
25 | #include <linux/isdn/capilli.h> | |
26 | #include "avmcard.h" | |
27 | ||
28 | /* ------------------------------------------------------------- */ | |
29 | ||
30 | static char *revision = "$Revision: 1.1.2.2 $"; | |
31 | ||
32 | /* ------------------------------------------------------------- */ | |
33 | ||
34 | static struct pci_device_id b1pci_pci_tbl[] = { | |
35 | { PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_B1, PCI_ANY_ID, PCI_ANY_ID }, | |
36 | { } /* Terminating entry */ | |
37 | }; | |
38 | ||
39 | MODULE_DEVICE_TABLE(pci, b1pci_pci_tbl); | |
40 | MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM B1 PCI card"); | |
41 | MODULE_AUTHOR("Carsten Paeth"); | |
42 | MODULE_LICENSE("GPL"); | |
43 | ||
44 | /* ------------------------------------------------------------- */ | |
45 | ||
46 | static char *b1pci_procinfo(struct capi_ctr *ctrl) | |
47 | { | |
48 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
49 | ||
50 | if (!cinfo) | |
51 | return ""; | |
52 | sprintf(cinfo->infobuf, "%s %s 0x%x %d r%d", | |
53 | cinfo->cardname[0] ? cinfo->cardname : "-", | |
54 | cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-", | |
55 | cinfo->card ? cinfo->card->port : 0x0, | |
56 | cinfo->card ? cinfo->card->irq : 0, | |
57 | cinfo->card ? cinfo->card->revision : 0 | |
58 | ); | |
59 | return cinfo->infobuf; | |
60 | } | |
61 | ||
62 | /* ------------------------------------------------------------- */ | |
63 | ||
64 | static int b1pci_probe(struct capicardparams *p, struct pci_dev *pdev) | |
65 | { | |
66 | avmcard *card; | |
67 | avmctrl_info *cinfo; | |
68 | int retval; | |
69 | ||
70 | card = b1_alloc_card(1); | |
71 | if (!card) { | |
72 | printk(KERN_WARNING "b1pci: no memory.\n"); | |
73 | retval = -ENOMEM; | |
74 | goto err; | |
75 | } | |
76 | ||
77 | cinfo = card->ctrlinfo; | |
78 | sprintf(card->name, "b1pci-%x", p->port); | |
79 | card->port = p->port; | |
80 | card->irq = p->irq; | |
81 | card->cardtype = avm_b1pci; | |
475be4d8 | 82 | |
1da177e4 LT |
83 | if (!request_region(card->port, AVMB1_PORTLEN, card->name)) { |
84 | printk(KERN_WARNING "b1pci: ports 0x%03x-0x%03x in use.\n", | |
85 | card->port, card->port + AVMB1_PORTLEN); | |
86 | retval = -EBUSY; | |
87 | goto err_free; | |
88 | } | |
89 | b1_reset(card->port); | |
90 | retval = b1_detect(card->port, card->cardtype); | |
91 | if (retval) { | |
92 | printk(KERN_NOTICE "b1pci: NO card at 0x%x (%d)\n", | |
93 | card->port, retval); | |
94 | retval = -ENODEV; | |
95 | goto err_release_region; | |
96 | } | |
97 | b1_reset(card->port); | |
98 | b1_getrevision(card); | |
475be4d8 | 99 | |
9ba02bec | 100 | retval = request_irq(card->irq, b1_interrupt, IRQF_SHARED, card->name, card); |
1da177e4 LT |
101 | if (retval) { |
102 | printk(KERN_ERR "b1pci: unable to get IRQ %d.\n", card->irq); | |
103 | retval = -EBUSY; | |
104 | goto err_release_region; | |
105 | } | |
475be4d8 | 106 | |
1da177e4 LT |
107 | cinfo->capi_ctrl.driver_name = "b1pci"; |
108 | cinfo->capi_ctrl.driverdata = cinfo; | |
109 | cinfo->capi_ctrl.register_appl = b1_register_appl; | |
110 | cinfo->capi_ctrl.release_appl = b1_release_appl; | |
111 | cinfo->capi_ctrl.send_message = b1_send_message; | |
112 | cinfo->capi_ctrl.load_firmware = b1_load_firmware; | |
113 | cinfo->capi_ctrl.reset_ctr = b1_reset_ctr; | |
114 | cinfo->capi_ctrl.procinfo = b1pci_procinfo; | |
9a58a80a | 115 | cinfo->capi_ctrl.proc_fops = &b1ctl_proc_fops; |
1da177e4 LT |
116 | strcpy(cinfo->capi_ctrl.name, card->name); |
117 | cinfo->capi_ctrl.owner = THIS_MODULE; | |
118 | ||
119 | retval = attach_capi_ctr(&cinfo->capi_ctrl); | |
120 | if (retval) { | |
121 | printk(KERN_ERR "b1pci: attach controller failed.\n"); | |
122 | goto err_free_irq; | |
123 | } | |
124 | ||
125 | if (card->revision >= 4) { | |
126 | printk(KERN_INFO "b1pci: AVM B1 PCI V4 at i/o %#x, irq %d, revision %d (no dma)\n", | |
127 | card->port, card->irq, card->revision); | |
128 | } else { | |
129 | printk(KERN_INFO "b1pci: AVM B1 PCI at i/o %#x, irq %d, revision %d\n", | |
130 | card->port, card->irq, card->revision); | |
131 | } | |
132 | ||
133 | pci_set_drvdata(pdev, card); | |
134 | return 0; | |
135 | ||
475be4d8 | 136 | err_free_irq: |
1da177e4 | 137 | free_irq(card->irq, card); |
475be4d8 | 138 | err_release_region: |
1da177e4 | 139 | release_region(card->port, AVMB1_PORTLEN); |
475be4d8 | 140 | err_free: |
1da177e4 | 141 | b1_free_card(card); |
475be4d8 | 142 | err: |
1da177e4 LT |
143 | return retval; |
144 | } | |
145 | ||
146 | static void b1pci_remove(struct pci_dev *pdev) | |
147 | { | |
148 | avmcard *card = pci_get_drvdata(pdev); | |
149 | avmctrl_info *cinfo = card->ctrlinfo; | |
150 | unsigned int port = card->port; | |
151 | ||
152 | b1_reset(port); | |
153 | b1_reset(port); | |
154 | ||
155 | detach_capi_ctr(&cinfo->capi_ctrl); | |
156 | free_irq(card->irq, card); | |
157 | release_region(card->port, AVMB1_PORTLEN); | |
158 | b1_free_card(card); | |
159 | } | |
160 | ||
161 | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | |
162 | /* ------------------------------------------------------------- */ | |
163 | ||
164 | static char *b1pciv4_procinfo(struct capi_ctr *ctrl) | |
165 | { | |
166 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
167 | ||
168 | if (!cinfo) | |
169 | return ""; | |
170 | sprintf(cinfo->infobuf, "%s %s 0x%x %d 0x%lx r%d", | |
171 | cinfo->cardname[0] ? cinfo->cardname : "-", | |
172 | cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-", | |
173 | cinfo->card ? cinfo->card->port : 0x0, | |
174 | cinfo->card ? cinfo->card->irq : 0, | |
175 | cinfo->card ? cinfo->card->membase : 0, | |
176 | cinfo->card ? cinfo->card->revision : 0 | |
177 | ); | |
178 | return cinfo->infobuf; | |
179 | } | |
180 | ||
181 | /* ------------------------------------------------------------- */ | |
182 | ||
183 | static int b1pciv4_probe(struct capicardparams *p, struct pci_dev *pdev) | |
184 | { | |
185 | avmcard *card; | |
186 | avmctrl_info *cinfo; | |
187 | int retval; | |
188 | ||
189 | card = b1_alloc_card(1); | |
190 | if (!card) { | |
191 | printk(KERN_WARNING "b1pci: no memory.\n"); | |
192 | retval = -ENOMEM; | |
193 | goto err; | |
194 | } | |
195 | ||
475be4d8 | 196 | card->dma = avmcard_dma_alloc("b1pci", pdev, 2048 + 128, 2048 + 128); |
1da177e4 LT |
197 | if (!card->dma) { |
198 | printk(KERN_WARNING "b1pci: dma alloc.\n"); | |
199 | retval = -ENOMEM; | |
200 | goto err_free; | |
201 | } | |
202 | ||
203 | cinfo = card->ctrlinfo; | |
204 | sprintf(card->name, "b1pciv4-%x", p->port); | |
205 | card->port = p->port; | |
206 | card->irq = p->irq; | |
207 | card->membase = p->membase; | |
208 | card->cardtype = avm_b1pci; | |
209 | ||
210 | if (!request_region(card->port, AVMB1_PORTLEN, card->name)) { | |
211 | printk(KERN_WARNING "b1pci: ports 0x%03x-0x%03x in use.\n", | |
212 | card->port, card->port + AVMB1_PORTLEN); | |
213 | retval = -EBUSY; | |
214 | goto err_free_dma; | |
215 | } | |
216 | ||
217 | card->mbase = ioremap(card->membase, 64); | |
218 | if (!card->mbase) { | |
219 | printk(KERN_NOTICE "b1pci: can't remap memory at 0x%lx\n", | |
220 | card->membase); | |
221 | retval = -ENOMEM; | |
222 | goto err_release_region; | |
223 | } | |
224 | ||
225 | b1dma_reset(card); | |
226 | ||
227 | retval = b1pciv4_detect(card); | |
228 | if (retval) { | |
229 | printk(KERN_NOTICE "b1pci: NO card at 0x%x (%d)\n", | |
230 | card->port, retval); | |
231 | retval = -ENODEV; | |
232 | goto err_unmap; | |
233 | } | |
234 | b1dma_reset(card); | |
235 | b1_getrevision(card); | |
236 | ||
9ba02bec | 237 | retval = request_irq(card->irq, b1dma_interrupt, IRQF_SHARED, card->name, card); |
1da177e4 LT |
238 | if (retval) { |
239 | printk(KERN_ERR "b1pci: unable to get IRQ %d.\n", | |
240 | card->irq); | |
241 | retval = -EBUSY; | |
242 | goto err_unmap; | |
243 | } | |
244 | ||
245 | cinfo->capi_ctrl.owner = THIS_MODULE; | |
246 | cinfo->capi_ctrl.driver_name = "b1pciv4"; | |
247 | cinfo->capi_ctrl.driverdata = cinfo; | |
248 | cinfo->capi_ctrl.register_appl = b1dma_register_appl; | |
249 | cinfo->capi_ctrl.release_appl = b1dma_release_appl; | |
250 | cinfo->capi_ctrl.send_message = b1dma_send_message; | |
251 | cinfo->capi_ctrl.load_firmware = b1dma_load_firmware; | |
252 | cinfo->capi_ctrl.reset_ctr = b1dma_reset_ctr; | |
253 | cinfo->capi_ctrl.procinfo = b1pciv4_procinfo; | |
9a58a80a | 254 | cinfo->capi_ctrl.proc_fops = &b1dmactl_proc_fops; |
1da177e4 LT |
255 | strcpy(cinfo->capi_ctrl.name, card->name); |
256 | ||
257 | retval = attach_capi_ctr(&cinfo->capi_ctrl); | |
258 | if (retval) { | |
259 | printk(KERN_ERR "b1pci: attach controller failed.\n"); | |
260 | goto err_free_irq; | |
261 | } | |
262 | card->cardnr = cinfo->capi_ctrl.cnr; | |
263 | ||
264 | printk(KERN_INFO "b1pci: AVM B1 PCI V4 at i/o %#x, irq %d, mem %#lx, revision %d (dma)\n", | |
265 | card->port, card->irq, card->membase, card->revision); | |
266 | ||
267 | pci_set_drvdata(pdev, card); | |
268 | return 0; | |
269 | ||
475be4d8 | 270 | err_free_irq: |
1da177e4 | 271 | free_irq(card->irq, card); |
475be4d8 | 272 | err_unmap: |
1da177e4 | 273 | iounmap(card->mbase); |
475be4d8 | 274 | err_release_region: |
1da177e4 | 275 | release_region(card->port, AVMB1_PORTLEN); |
475be4d8 | 276 | err_free_dma: |
1da177e4 | 277 | avmcard_dma_free(card->dma); |
475be4d8 | 278 | err_free: |
1da177e4 | 279 | b1_free_card(card); |
475be4d8 | 280 | err: |
1da177e4 LT |
281 | return retval; |
282 | ||
283 | } | |
284 | ||
285 | static void b1pciv4_remove(struct pci_dev *pdev) | |
286 | { | |
287 | avmcard *card = pci_get_drvdata(pdev); | |
288 | avmctrl_info *cinfo = card->ctrlinfo; | |
289 | ||
475be4d8 | 290 | b1dma_reset(card); |
1da177e4 LT |
291 | |
292 | detach_capi_ctr(&cinfo->capi_ctrl); | |
293 | free_irq(card->irq, card); | |
294 | iounmap(card->mbase); | |
295 | release_region(card->port, AVMB1_PORTLEN); | |
475be4d8 | 296 | avmcard_dma_free(card->dma); |
1da177e4 LT |
297 | b1_free_card(card); |
298 | } | |
299 | ||
300 | #endif /* CONFIG_ISDN_DRV_AVMB1_B1PCIV4 */ | |
301 | ||
ed5a84cd GKH |
302 | static int b1pci_pci_probe(struct pci_dev *pdev, |
303 | const struct pci_device_id *ent) | |
1da177e4 LT |
304 | { |
305 | struct capicardparams param; | |
306 | int retval; | |
307 | ||
308 | if (pci_enable_device(pdev) < 0) { | |
309 | printk(KERN_ERR "b1pci: failed to enable AVM-B1\n"); | |
310 | return -ENODEV; | |
311 | } | |
312 | param.irq = pdev->irq; | |
313 | ||
314 | if (pci_resource_start(pdev, 2)) { /* B1 PCI V4 */ | |
315 | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | |
316 | pci_set_master(pdev); | |
317 | #endif | |
318 | param.membase = pci_resource_start(pdev, 0); | |
319 | param.port = pci_resource_start(pdev, 2); | |
320 | ||
321 | printk(KERN_INFO "b1pci: PCI BIOS reports AVM-B1 V4 at i/o %#x, irq %d, mem %#x\n", | |
322 | param.port, param.irq, param.membase); | |
323 | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | |
324 | retval = b1pciv4_probe(¶m, pdev); | |
325 | #else | |
326 | retval = b1pci_probe(¶m, pdev); | |
327 | #endif | |
328 | if (retval != 0) { | |
475be4d8 | 329 | printk(KERN_ERR "b1pci: no AVM-B1 V4 at i/o %#x, irq %d, mem %#x detected\n", |
1da177e4 LT |
330 | param.port, param.irq, param.membase); |
331 | } | |
332 | } else { | |
333 | param.membase = 0; | |
334 | param.port = pci_resource_start(pdev, 1); | |
335 | ||
336 | printk(KERN_INFO "b1pci: PCI BIOS reports AVM-B1 at i/o %#x, irq %d\n", | |
337 | param.port, param.irq); | |
338 | retval = b1pci_probe(¶m, pdev); | |
339 | if (retval != 0) { | |
475be4d8 | 340 | printk(KERN_ERR "b1pci: no AVM-B1 at i/o %#x, irq %d detected\n", |
1da177e4 LT |
341 | param.port, param.irq); |
342 | } | |
343 | } | |
344 | return retval; | |
345 | } | |
346 | ||
ed5a84cd | 347 | static void b1pci_pci_remove(struct pci_dev *pdev) |
1da177e4 LT |
348 | { |
349 | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | |
350 | avmcard *card = pci_get_drvdata(pdev); | |
351 | ||
352 | if (card->dma) | |
353 | b1pciv4_remove(pdev); | |
354 | else | |
355 | b1pci_remove(pdev); | |
356 | #else | |
357 | b1pci_remove(pdev); | |
358 | #endif | |
359 | } | |
360 | ||
361 | static struct pci_driver b1pci_pci_driver = { | |
362 | .name = "b1pci", | |
363 | .id_table = b1pci_pci_tbl, | |
364 | .probe = b1pci_pci_probe, | |
ed5a84cd | 365 | .remove = b1pci_pci_remove, |
1da177e4 LT |
366 | }; |
367 | ||
368 | static struct capi_driver capi_driver_b1pci = { | |
369 | .name = "b1pci", | |
370 | .revision = "1.0", | |
371 | }; | |
372 | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | |
373 | static struct capi_driver capi_driver_b1pciv4 = { | |
374 | .name = "b1pciv4", | |
375 | .revision = "1.0", | |
376 | }; | |
377 | #endif | |
378 | ||
379 | static int __init b1pci_init(void) | |
380 | { | |
381 | char *p; | |
382 | char rev[32]; | |
383 | int err; | |
384 | ||
8e44b29d | 385 | if ((p = strchr(revision, ':')) != NULL && p[1]) { |
1da177e4 | 386 | strlcpy(rev, p + 2, 32); |
8e44b29d | 387 | if ((p = strchr(rev, '$')) != NULL && p > rev) |
475be4d8 | 388 | *(p - 1) = 0; |
1da177e4 LT |
389 | } else |
390 | strcpy(rev, "1.0"); | |
391 | ||
392 | ||
393 | err = pci_register_driver(&b1pci_pci_driver); | |
394 | if (!err) { | |
395 | strlcpy(capi_driver_b1pci.revision, rev, 32); | |
396 | register_capi_driver(&capi_driver_b1pci); | |
397 | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | |
398 | strlcpy(capi_driver_b1pciv4.revision, rev, 32); | |
399 | register_capi_driver(&capi_driver_b1pciv4); | |
400 | #endif | |
401 | printk(KERN_INFO "b1pci: revision %s\n", rev); | |
402 | } | |
403 | return err; | |
404 | } | |
405 | ||
406 | static void __exit b1pci_exit(void) | |
407 | { | |
408 | unregister_capi_driver(&capi_driver_b1pci); | |
409 | #ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4 | |
410 | unregister_capi_driver(&capi_driver_b1pciv4); | |
411 | #endif | |
412 | pci_unregister_driver(&b1pci_pci_driver); | |
413 | } | |
414 | ||
415 | module_init(b1pci_init); | |
416 | module_exit(b1pci_exit); |