ALSA: Return proper error code at probe in sound/isa/*
[linux-2.6.git] / sound / isa / wavefront / wavefront.c
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("specify CS4232 port\n");
557                 return 0;
558         }
559         if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
560                 snd_printk("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)