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Merge branch 'master' of git://git2.kernel.org/pub/scm/linux/kernel/git/torvalds...
[linux-2.6/linux-2.6-openrd.git] / sound / isa / wavefront / wavefront.c
bloba34ae7b1f7d0b71c2db484bccfb2294ee6e7d578
1 /*
2 * ALSA card-level driver for Turtle Beach Wavefront cards
3 * (Maui,Tropez,Tropez+)
4 *
5 * Copyright (c) 1997-1999 by Paul Barton-Davis <pbd@op.net>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/slab.h>
25 #include <linux/err.h>
26 #include <linux/isa.h>
27 #include <linux/pnp.h>
28 #include <linux/moduleparam.h>
29 #include <sound/core.h>
30 #include <sound/initval.h>
31 #include <sound/opl3.h>
32 #include <sound/wss.h>
33 #include <sound/snd_wavefront.h>
34
35 MODULE_AUTHOR("Paul Barton-Davis <pbd@op.net>");
36 MODULE_DESCRIPTION("Turtle Beach Wavefront");
37 MODULE_LICENSE("GPL");
38 MODULE_SUPPORTED_DEVICE("{{Turtle Beach,Maui/Tropez/Tropez+}}");
39
40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
42 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
43 #ifdef CONFIG_PNP
44 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
45 #endif
46 static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
47 static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
48 static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
49 static int cs4232_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
50 static long ics2115_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
51 static int ics2115_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,9,11,12,15 */
52 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
53 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
54 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
55 static int use_cs4232_midi[SNDRV_CARDS];
56
57 module_param_array(index, int, NULL, 0444);
58 MODULE_PARM_DESC(index, "Index value for WaveFront soundcard.");
59 module_param_array(id, charp, NULL, 0444);
60 MODULE_PARM_DESC(id, "ID string for WaveFront soundcard.");
61 module_param_array(enable, bool, NULL, 0444);
62 MODULE_PARM_DESC(enable, "Enable WaveFront soundcard.");
63 #ifdef CONFIG_PNP
64 module_param_array(isapnp, bool, NULL, 0444);
65 MODULE_PARM_DESC(isapnp, "ISA PnP detection for WaveFront soundcards.");
66 #endif
67 module_param_array(cs4232_pcm_port, long, NULL, 0444);
68 MODULE_PARM_DESC(cs4232_pcm_port, "Port # for CS4232 PCM interface.");
69 module_param_array(cs4232_pcm_irq, int, NULL, 0444);
70 MODULE_PARM_DESC(cs4232_pcm_irq, "IRQ # for CS4232 PCM interface.");
71 module_param_array(dma1, int, NULL, 0444);
72 MODULE_PARM_DESC(dma1, "DMA1 # for CS4232 PCM interface.");
73 module_param_array(dma2, int, NULL, 0444);
74 MODULE_PARM_DESC(dma2, "DMA2 # for CS4232 PCM interface.");
75 module_param_array(cs4232_mpu_port, long, NULL, 0444);
76 MODULE_PARM_DESC(cs4232_mpu_port, "port # for CS4232 MPU-401 interface.");
77 module_param_array(cs4232_mpu_irq, int, NULL, 0444);
78 MODULE_PARM_DESC(cs4232_mpu_irq, "IRQ # for CS4232 MPU-401 interface.");
79 module_param_array(ics2115_irq, int, NULL, 0444);
80 MODULE_PARM_DESC(ics2115_irq, "IRQ # for ICS2115.");
81 module_param_array(ics2115_port, long, NULL, 0444);
82 MODULE_PARM_DESC(ics2115_port, "Port # for ICS2115.");
83 module_param_array(fm_port, long, NULL, 0444);
84 MODULE_PARM_DESC(fm_port, "FM port #.");
85 module_param_array(use_cs4232_midi, bool, NULL, 0444);
86 MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
87
88 #ifdef CONFIG_PNP
89 static int isa_registered;
90 static int pnp_registered;
91
92 static struct pnp_card_device_id snd_wavefront_pnpids[] = {
93 /* Tropez */
94 { .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
95 /* Tropez+ */
96 { .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
97 { .id = "" }
98 };
99
100 MODULE_DEVICE_TABLE(pnp_card, snd_wavefront_pnpids);
101
102 static int __devinit
103 snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card,
104 const struct pnp_card_device_id *id)
105 {
106 struct pnp_dev *pdev;
107 int err;
108
109 /* Check for each logical device. */
110
111 /* CS4232 chip (aka "windows sound system") is logical device 0 */
112
113 acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
114 if (acard->wss == NULL)
115 return -EBUSY;
116
117 /* there is a game port at logical device 1, but we ignore it completely */
118
119 /* the control interface is logical device 2, but we ignore it
120 completely. in fact, nobody even seems to know what it
121 does.
122 */
123
124 /* Only configure the CS4232 MIDI interface if its been
125 specifically requested. It is logical device 3.
126 */
127
128 if (use_cs4232_midi[dev]) {
129 acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
130 if (acard->mpu == NULL)
131 return -EBUSY;
132 }
133
134 /* The ICS2115 synth is logical device 4 */
135
136 acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL);
137 if (acard->synth == NULL)
138 return -EBUSY;
139
140 /* PCM/FM initialization */
141
142 pdev = acard->wss;
143
144 /* An interesting note from the Tropez+ FAQ:
145
146 Q. [Ports] Why is the base address of the WSS I/O ports off by 4?
147
148 A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first
149 4 are used to identify and configure the board. With the advent of PnP,
150 these first 4 addresses have become obsolete, and software applications
151 only use the last 4 addresses to control the codec chip. Therefore, the
152 base address setting "skips past" the 4 unused addresses.
153
154 */
155
156 err = pnp_activate_dev(pdev);
157 if (err < 0) {
158 snd_printk(KERN_ERR "PnP WSS pnp configure failure\n");
159 return err;
160 }
161
162 cs4232_pcm_port[dev] = pnp_port_start(pdev, 0);
163 fm_port[dev] = pnp_port_start(pdev, 1);
164 dma1[dev] = pnp_dma(pdev, 0);
165 dma2[dev] = pnp_dma(pdev, 1);
166 cs4232_pcm_irq[dev] = pnp_irq(pdev, 0);
167
168 /* Synth initialization */
169
170 pdev = acard->synth;
171
172 err = pnp_activate_dev(pdev);
173 if (err < 0) {
174 snd_printk(KERN_ERR "PnP ICS2115 pnp configure failure\n");
175 return err;
176 }
177
178 ics2115_port[dev] = pnp_port_start(pdev, 0);
179 ics2115_irq[dev] = pnp_irq(pdev, 0);
180
181 /* CS4232 MPU initialization. Configure this only if
182 explicitly requested, since its physically inaccessible and
183 consumes another IRQ.
184 */
185
186 if (use_cs4232_midi[dev]) {
187
188 pdev = acard->mpu;
189
190 err = pnp_activate_dev(pdev);
191 if (err < 0) {
192 snd_printk(KERN_ERR "PnP MPU401 pnp configure failure\n");
193 cs4232_mpu_port[dev] = SNDRV_AUTO_PORT;
194 } else {
195 cs4232_mpu_port[dev] = pnp_port_start(pdev, 0);
196 cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
197 }
198
199 snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n",
200 cs4232_mpu_port[dev],
201 cs4232_mpu_irq[dev]);
202 }
203
204 snd_printdd ("CS4232: pcm port=0x%lx, fm port=0x%lx, dma1=%i, dma2=%i, irq=%i\nICS2115: port=0x%lx, irq=%i\n",
205 cs4232_pcm_port[dev],
206 fm_port[dev],
207 dma1[dev],
208 dma2[dev],
209 cs4232_pcm_irq[dev],
210 ics2115_port[dev],
211 ics2115_irq[dev]);
212
213 return 0;
214 }
215
216 #endif /* CONFIG_PNP */
217
218 static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, void *dev_id)
219 {
220 snd_wavefront_card_t *acard;
221
222 acard = (snd_wavefront_card_t *) dev_id;
223
224 if (acard == NULL)
225 return IRQ_NONE;
226
227 if (acard->wavefront.interrupts_are_midi) {
228 snd_wavefront_midi_interrupt (acard);
229 } else {
230 snd_wavefront_internal_interrupt (acard);
231 }
232 return IRQ_HANDLED;
233 }
234
235 static struct snd_hwdep * __devinit
236 snd_wavefront_new_synth (struct snd_card *card,
237 int hw_dev,
238 snd_wavefront_card_t *acard)
239 {
240 struct snd_hwdep *wavefront_synth;
241
242 if (snd_wavefront_detect (acard) < 0) {
243 return NULL;
244 }
245
246 if (snd_wavefront_start (&acard->wavefront) < 0) {
247 return NULL;
248 }
249
250 if (snd_hwdep_new(card, "WaveFront", hw_dev, &wavefront_synth) < 0)
251 return NULL;
252 strcpy (wavefront_synth->name,
253 "WaveFront (ICS2115) wavetable synthesizer");
254 wavefront_synth->ops.open = snd_wavefront_synth_open;
255 wavefront_synth->ops.release = snd_wavefront_synth_release;
256 wavefront_synth->ops.ioctl = snd_wavefront_synth_ioctl;
257
258 return wavefront_synth;
259 }
260
261 static struct snd_hwdep * __devinit
262 snd_wavefront_new_fx (struct snd_card *card,
263 int hw_dev,
264 snd_wavefront_card_t *acard,
265 unsigned long port)
266
267 {
268 struct snd_hwdep *fx_processor;
269
270 if (snd_wavefront_fx_start (&acard->wavefront)) {
271 snd_printk (KERN_ERR "cannot initialize YSS225 FX processor");
272 return NULL;
273 }
274
275 if (snd_hwdep_new (card, "YSS225", hw_dev, &fx_processor) < 0)
276 return NULL;
277 sprintf (fx_processor->name, "YSS225 FX Processor at 0x%lx", port);
278 fx_processor->ops.open = snd_wavefront_fx_open;
279 fx_processor->ops.release = snd_wavefront_fx_release;
280 fx_processor->ops.ioctl = snd_wavefront_fx_ioctl;
281
282 return fx_processor;
283 }
284
285 static snd_wavefront_mpu_id internal_id = internal_mpu;
286 static snd_wavefront_mpu_id external_id = external_mpu;
287
288 static struct snd_rawmidi *__devinit
289 snd_wavefront_new_midi (struct snd_card *card,
290 int midi_dev,
291 snd_wavefront_card_t *acard,
292 unsigned long port,
293 snd_wavefront_mpu_id mpu)
294
295 {
296 struct snd_rawmidi *rmidi;
297 static int first = 1;
298
299 if (first) {
300 first = 0;
301 acard->wavefront.midi.base = port;
302 if (snd_wavefront_midi_start (acard)) {
303 snd_printk (KERN_ERR "cannot initialize MIDI interface\n");
304 return NULL;
305 }
306 }
307
308 if (snd_rawmidi_new (card, "WaveFront MIDI", midi_dev, 1, 1, &rmidi) < 0)
309 return NULL;
310
311 if (mpu == internal_mpu) {
312 strcpy(rmidi->name, "WaveFront MIDI (Internal)");
313 rmidi->private_data = &internal_id;
314 } else {
315 strcpy(rmidi->name, "WaveFront MIDI (External)");
316 rmidi->private_data = &external_id;
317 }
318
319 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_wavefront_midi_output);
320 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_wavefront_midi_input);
321
322 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
323 SNDRV_RAWMIDI_INFO_INPUT |
324 SNDRV_RAWMIDI_INFO_DUPLEX;
325
326 return rmidi;
327 }
328
329 static void
330 snd_wavefront_free(struct snd_card *card)
331 {
332 snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data;
333
334 if (acard) {
335 release_and_free_resource(acard->wavefront.res_base);
336 if (acard->wavefront.irq > 0)
337 free_irq(acard->wavefront.irq, (void *)acard);
338 }
339 }
340
341 static int snd_wavefront_card_new(int dev, struct snd_card **cardp)
342 {
343 struct snd_card *card;
344 snd_wavefront_card_t *acard;
345 int err;
346
347 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
348 sizeof(snd_wavefront_card_t), &card);
349 if (err < 0)
350 return err;
351
352 acard = card->private_data;
353 acard->wavefront.irq = -1;
354 spin_lock_init(&acard->wavefront.irq_lock);
355 init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
356 spin_lock_init(&acard->wavefront.midi.open);
357 spin_lock_init(&acard->wavefront.midi.virtual);
358 acard->wavefront.card = card;
359 card->private_free = snd_wavefront_free;
360
361 *cardp = card;
362 return 0;
363 }
364
365 static int __devinit
366 snd_wavefront_probe (struct snd_card *card, int dev)
367 {
368 snd_wavefront_card_t *acard = card->private_data;
369 struct snd_wss *chip;
370 struct snd_hwdep *wavefront_synth;
371 struct snd_rawmidi *ics2115_internal_rmidi = NULL;
372 struct snd_rawmidi *ics2115_external_rmidi = NULL;
373 struct snd_hwdep *fx_processor;
374 int hw_dev = 0, midi_dev = 0, err;
375
376 /* --------- PCM --------------- */
377
378 err = snd_wss_create(card, cs4232_pcm_port[dev], -1,
379 cs4232_pcm_irq[dev], dma1[dev], dma2[dev],
380 WSS_HW_DETECT, 0, &chip);
381 if (err < 0) {
382 snd_printk(KERN_ERR "can't allocate WSS device\n");
383 return err;
384 }
385
386 err = snd_wss_pcm(chip, 0, NULL);
387 if (err < 0)
388 return err;
389
390 err = snd_wss_timer(chip, 0, NULL);
391 if (err < 0)
392 return err;
393
394 /* ---------- OPL3 synth --------- */
395
396 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
397 struct snd_opl3 *opl3;
398
399 err = snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
400 OPL3_HW_OPL3_CS, 0, &opl3);
401 if (err < 0) {
402 snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n");
403 return err;
404 }
405
406 err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL);
407 if (err < 0)
408 return err;
409 hw_dev++;
410 }
411
412 /* ------- ICS2115 Wavetable synth ------- */
413
414 acard->wavefront.res_base = request_region(ics2115_port[dev], 16,
415 "ICS2115");
416 if (acard->wavefront.res_base == NULL) {
417 snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n",
418 ics2115_port[dev], ics2115_port[dev] + 16 - 1);
419 return -EBUSY;
420 }
421 if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt,
422 IRQF_DISABLED, "ICS2115", acard)) {
423 snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
424 return -EBUSY;
425 }
426
427 acard->wavefront.irq = ics2115_irq[dev];
428 acard->wavefront.base = ics2115_port[dev];
429
430 wavefront_synth = snd_wavefront_new_synth(card, hw_dev, acard);
431 if (wavefront_synth == NULL) {
432 snd_printk (KERN_ERR "can't create WaveFront synth device\n");
433 return -ENOMEM;
434 }
435
436 strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer");
437 wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115;
438 hw_dev++;
439
440 /* --------- Mixer ------------ */
441
442 err = snd_wss_mixer(chip);
443 if (err < 0) {
444 snd_printk (KERN_ERR "can't allocate mixer device\n");
445 return err;
446 }
447
448 /* -------- CS4232 MPU-401 interface -------- */
449
450 if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
451 err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
452 cs4232_mpu_port[dev], 0,
453 cs4232_mpu_irq[dev], IRQF_DISABLED,
454 NULL);
455 if (err < 0) {
456 snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
457 return err;
458 }
459 midi_dev++;
460 }
461
462 /* ------ ICS2115 internal MIDI ------------ */
463
464 if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
465 ics2115_internal_rmidi =
466 snd_wavefront_new_midi (card,
467 midi_dev,
468 acard,
469 ics2115_port[dev],
470 internal_mpu);
471 if (ics2115_internal_rmidi == NULL) {
472 snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n");
473 return -ENOMEM;
474 }
475 midi_dev++;
476 }
477
478 /* ------ ICS2115 external MIDI ------------ */
479
480 if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
481 ics2115_external_rmidi =
482 snd_wavefront_new_midi (card,
483 midi_dev,
484 acard,
485 ics2115_port[dev],
486 external_mpu);
487 if (ics2115_external_rmidi == NULL) {
488 snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n");
489 return -ENOMEM;
490 }
491 midi_dev++;
492 }
493
494 /* FX processor for Tropez+ */
495
496 if (acard->wavefront.has_fx) {
497 fx_processor = snd_wavefront_new_fx (card,
498 hw_dev,
499 acard,
500 ics2115_port[dev]);
501 if (fx_processor == NULL) {
502 snd_printk (KERN_ERR "can't setup FX device\n");
503 return -ENOMEM;
504 }
505
506 hw_dev++;
507
508 strcpy(card->driver, "Tropez+");
509 strcpy(card->shortname, "Turtle Beach Tropez+");
510 } else {
511 /* Need a way to distinguish between Maui and Tropez */
512 strcpy(card->driver, "WaveFront");
513 strcpy(card->shortname, "Turtle Beach WaveFront");
514 }
515
516 /* ----- Register the card --------- */
517
518 /* Not safe to include "Turtle Beach" in longname, due to
519 length restrictions
520 */
521
522 sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d",
523 card->driver,
524 chip->port,
525 cs4232_pcm_irq[dev],
526 dma1[dev]);
527
528 if (dma2[dev] >= 0 && dma2[dev] < 8)
529 sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
530
531 if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
532 sprintf (card->longname + strlen (card->longname),
533 " MPU-401 0x%lx irq %d",
534 cs4232_mpu_port[dev],
535 cs4232_mpu_irq[dev]);
536 }
537
538 sprintf (card->longname + strlen (card->longname),
539 " SYNTH 0x%lx irq %d",
540 ics2115_port[dev],
541 ics2115_irq[dev]);
542
543 return snd_card_register(card);
544 }
545
546 static int __devinit snd_wavefront_isa_match(struct device *pdev,
547 unsigned int dev)
548 {
549 if (!enable[dev])
550 return 0;
551 #ifdef CONFIG_PNP
552 if (isapnp[dev])
553 return 0;
554 #endif
555 if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
556 snd_printk(KERN_ERR "specify CS4232 port\n");
557 return 0;
558 }
559 if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
560 snd_printk(KERN_ERR "specify ICS2115 port\n");
561 return 0;
562 }
563 return 1;
564 }
565
566 static int __devinit snd_wavefront_isa_probe(struct device *pdev,
567 unsigned int dev)
568 {
569 struct snd_card *card;
570 int err;
571
572 err = snd_wavefront_card_new(dev, &card);
573 if (err < 0)
574 return err;
575 snd_card_set_dev(card, pdev);
576 if ((err = snd_wavefront_probe(card, dev)) < 0) {
577 snd_card_free(card);
578 return err;
579 }
580
581 dev_set_drvdata(pdev, card);
582 return 0;
583 }
584
585 static int __devexit snd_wavefront_isa_remove(struct device *devptr,
586 unsigned int dev)
587 {
588 snd_card_free(dev_get_drvdata(devptr));
589 dev_set_drvdata(devptr, NULL);
590 return 0;
591 }
592
593 #define DEV_NAME "wavefront"
594
595 static struct isa_driver snd_wavefront_driver = {
596 .match = snd_wavefront_isa_match,
597 .probe = snd_wavefront_isa_probe,
598 .remove = __devexit_p(snd_wavefront_isa_remove),
599 /* FIXME: suspend, resume */
600 .driver = {
601 .name = DEV_NAME
602 },
603 };
604
605
606 #ifdef CONFIG_PNP
607 static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
608 const struct pnp_card_device_id *pid)
609 {
610 static int dev;
611 struct snd_card *card;
612 int res;
613
614 for ( ; dev < SNDRV_CARDS; dev++) {
615 if (enable[dev] && isapnp[dev])
616 break;
617 }
618 if (dev >= SNDRV_CARDS)
619 return -ENODEV;
620
621 res = snd_wavefront_card_new(dev, &card);
622 if (res < 0)
623 return res;
624
625 if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
626 if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
627 snd_printk (KERN_ERR "isapnp detection failed\n");
628 snd_card_free (card);
629 return -ENODEV;
630 }
631 }
632 snd_card_set_dev(card, &pcard->card->dev);
633
634 if ((res = snd_wavefront_probe(card, dev)) < 0)
635 return res;
636
637 pnp_set_card_drvdata(pcard, card);
638 dev++;
639 return 0;
640 }
641
642 static void __devexit snd_wavefront_pnp_remove(struct pnp_card_link * pcard)
643 {
644 snd_card_free(pnp_get_card_drvdata(pcard));
645 pnp_set_card_drvdata(pcard, NULL);
646 }
647
648 static struct pnp_card_driver wavefront_pnpc_driver = {
649 .flags = PNP_DRIVER_RES_DISABLE,
650 .name = "wavefront",
651 .id_table = snd_wavefront_pnpids,
652 .probe = snd_wavefront_pnp_detect,
653 .remove = __devexit_p(snd_wavefront_pnp_remove),
654 /* FIXME: suspend,resume */
655 };
656
657 #endif /* CONFIG_PNP */
658
659 static int __init alsa_card_wavefront_init(void)
660 {
661 int err;
662
663 err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
664 #ifdef CONFIG_PNP
665 if (!err)
666 isa_registered = 1;
667
668 err = pnp_register_card_driver(&wavefront_pnpc_driver);
669 if (!err)
670 pnp_registered = 1;
671
672 if (isa_registered)
673 err = 0;
674 #endif
675 return err;
676 }
677
678 static void __exit alsa_card_wavefront_exit(void)
679 {
680 #ifdef CONFIG_PNP
681 if (pnp_registered)
682 pnp_unregister_card_driver(&wavefront_pnpc_driver);
683 if (isa_registered)
684 #endif
685 isa_unregister_driver(&snd_wavefront_driver);
686 }
687
688 module_init(alsa_card_wavefront_init)
689 module_exit(alsa_card_wavefront_exit)
linux 2.6 git repository for openrd