summaryrefslogtreecommitdiffstats
path: root/sound/isa/wavefront/wavefront.c
blob: 9e0f6b226775ef82c96afcf21d51d422c651007d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  ALSA card-level driver for Turtle Beach Wavefront cards 
 *						(Maui,Tropez,Tropez+)
 *
 *  Copyright (c) 1997-1999 by Paul Barton-Davis <pbd@op.net>
 */

#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/pnp.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/opl3.h>
#include <sound/wss.h>
#include <sound/snd_wavefront.h>

MODULE_AUTHOR("Paul Barton-Davis <pbd@op.net>");
MODULE_DESCRIPTION("Turtle Beach Wavefront");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Turtle Beach,Maui/Tropez/Tropez+}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	    /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	    /* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	    /* Enable this card */
#ifdef CONFIG_PNP
static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
#endif
static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static int cs4232_mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
static long ics2115_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static int ics2115_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 2,9,11,12,15 */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	    /* PnP setup */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	    /* 0,1,3,5,6,7 */
static bool use_cs4232_midi[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for WaveFront soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for WaveFront soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable WaveFront soundcard.");
#ifdef CONFIG_PNP
module_param_array(isapnp, bool, NULL, 0444);
MODULE_PARM_DESC(isapnp, "ISA PnP detection for WaveFront soundcards.");
#endif
module_param_hw_array(cs4232_pcm_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(cs4232_pcm_port, "Port # for CS4232 PCM interface.");
module_param_hw_array(cs4232_pcm_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(cs4232_pcm_irq, "IRQ # for CS4232 PCM interface.");
module_param_hw_array(dma1, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for CS4232 PCM interface.");
module_param_hw_array(dma2, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for CS4232 PCM interface.");
module_param_hw_array(cs4232_mpu_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(cs4232_mpu_port, "port # for CS4232 MPU-401 interface.");
module_param_hw_array(cs4232_mpu_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(cs4232_mpu_irq, "IRQ # for CS4232 MPU-401 interface.");
module_param_hw_array(ics2115_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(ics2115_irq, "IRQ # for ICS2115.");
module_param_hw_array(ics2115_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(ics2115_port, "Port # for ICS2115.");
module_param_hw_array(fm_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port #.");
module_param_array(use_cs4232_midi, bool, NULL, 0444);
MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");

#ifdef CONFIG_PNP
static int isa_registered;
static int pnp_registered;

static const struct pnp_card_device_id snd_wavefront_pnpids[] = {
	/* Tropez */
	{ .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
	/* Tropez+ */
	{ .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
	{ .id = "" }
};

MODULE_DEVICE_TABLE(pnp_card, snd_wavefront_pnpids);

static int
snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card,
		   const struct pnp_card_device_id *id)
{
	struct pnp_dev *pdev;
	int err;

	/* Check for each logical device. */

	/* CS4232 chip (aka "windows sound system") is logical device 0 */

	acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
	if (acard->wss == NULL)
		return -EBUSY;

	/* there is a game port at logical device 1, but we ignore it completely */

	/* the control interface is logical device 2, but we ignore it
	   completely. in fact, nobody even seems to know what it
	   does.
	*/

	/* Only configure the CS4232 MIDI interface if its been
	   specifically requested. It is logical device 3.
	*/

	if (use_cs4232_midi[dev]) {
		acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
		if (acard->mpu == NULL)
			return -EBUSY;
	}

	/* The ICS2115 synth is logical device 4 */

	acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL);
	if (acard->synth == NULL)
		return -EBUSY;

	/* PCM/FM initialization */

	pdev = acard->wss;

	/* An interesting note from the Tropez+ FAQ:

	   Q. [Ports] Why is the base address of the WSS I/O ports off by 4?

	   A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first
	   4 are used to identify and configure the board. With the advent of PnP,
	   these first 4 addresses have become obsolete, and software applications
	   only use the last 4 addresses to control the codec chip. Therefore, the
	   base address setting "skips past" the 4 unused addresses.

	*/

	err = pnp_activate_dev(pdev);
	if (err < 0) {
		snd_printk(KERN_ERR "PnP WSS pnp configure failure\n");
		return err;
	}

	cs4232_pcm_port[dev] = pnp_port_start(pdev, 0);
	fm_port[dev] = pnp_port_start(pdev, 1);
	dma1[dev] = pnp_dma(pdev, 0);
	dma2[dev] = pnp_dma(pdev, 1);
	cs4232_pcm_irq[dev] = pnp_irq(pdev, 0);

	/* Synth initialization */

	pdev = acard->synth;
	
	err = pnp_activate_dev(pdev);
	if (err < 0) {
		snd_printk(KERN_ERR "PnP ICS2115 pnp configure failure\n");
		return err;
	}

	ics2115_port[dev] = pnp_port_start(pdev, 0);
	ics2115_irq[dev] = pnp_irq(pdev, 0);

	/* CS4232 MPU initialization. Configure this only if
	   explicitly requested, since its physically inaccessible and
	   consumes another IRQ.
	*/

	if (use_cs4232_midi[dev]) {

		pdev = acard->mpu;

		err = pnp_activate_dev(pdev);
		if (err < 0) {
			snd_printk(KERN_ERR "PnP MPU401 pnp configure failure\n");
			cs4232_mpu_port[dev] = SNDRV_AUTO_PORT;
		} else {
			cs4232_mpu_port[dev] = pnp_port_start(pdev, 0);
			cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
		}

		snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n", 
			    cs4232_mpu_port[dev], 
			    cs4232_mpu_irq[dev]);
	}

	snd_printdd ("CS4232: pcm port=0x%lx, fm port=0x%lx, dma1=%i, dma2=%i, irq=%i\nICS2115: port=0x%lx, irq=%i\n", 
		    cs4232_pcm_port[dev], 
		    fm_port[dev],
		    dma1[dev], 
		    dma2[dev], 
		    cs4232_pcm_irq[dev],
		    ics2115_port[dev], 
		    ics2115_irq[dev]);
	
	return 0;
}

#endif /* CONFIG_PNP */

static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, void *dev_id)
{
	snd_wavefront_card_t *acard;

	acard = (snd_wavefront_card_t *) dev_id;

	if (acard == NULL) 
		return IRQ_NONE;

	if (acard->wavefront.interrupts_are_midi) {
		snd_wavefront_midi_interrupt (acard);
	} else {
		snd_wavefront_internal_interrupt (acard);
	}
	return IRQ_HANDLED;
}

static struct snd_hwdep *snd_wavefront_new_synth(struct snd_card *card,
						 int hw_dev,
						 snd_wavefront_card_t *acard)
{
	struct snd_hwdep *wavefront_synth;

	if (snd_wavefront_detect (acard) < 0) {
		return NULL;
	}

	if (snd_wavefront_start (&acard->wavefront) < 0) {
		return NULL;
	}

	if (snd_hwdep_new(card, "WaveFront", hw_dev, &wavefront_synth) < 0)
		return NULL;
	strcpy (wavefront_synth->name, 
		"WaveFront (ICS2115) wavetable synthesizer");
	wavefront_synth->ops.open = snd_wavefront_synth_open;
	wavefront_synth->ops.release = snd_wavefront_synth_release;
	wavefront_synth->ops.ioctl = snd_wavefront_synth_ioctl;

	return wavefront_synth;
}

static struct snd_hwdep *snd_wavefront_new_fx(struct snd_card *card,
					      int hw_dev,
					      snd_wavefront_card_t *acard,
					      unsigned long port)

{
	struct snd_hwdep *fx_processor;

	if (snd_wavefront_fx_start (&acard->wavefront)) {
		snd_printk (KERN_ERR "cannot initialize YSS225 FX processor");
		return NULL;
	}

	if (snd_hwdep_new (card, "YSS225", hw_dev, &fx_processor) < 0)
		return NULL;
	sprintf (fx_processor->name, "YSS225 FX Processor at 0x%lx", port);
	fx_processor->ops.open = snd_wavefront_fx_open;
	fx_processor->ops.release = snd_wavefront_fx_release;
	fx_processor->ops.ioctl = snd_wavefront_fx_ioctl;
	
	return fx_processor;
}

static snd_wavefront_mpu_id internal_id = internal_mpu;
static snd_wavefront_mpu_id external_id = external_mpu;

static struct snd_rawmidi *snd_wavefront_new_midi(struct snd_card *card,
						  int midi_dev,
						  snd_wavefront_card_t *acard,
						  unsigned long port,
						  snd_wavefront_mpu_id mpu)

{
	struct snd_rawmidi *rmidi;
	static int first = 1;

	if (first) {
		first = 0;
		acard->wavefront.midi.base = port;
		if (snd_wavefront_midi_start (acard)) {
			snd_printk (KERN_ERR "cannot initialize MIDI interface\n");
			return NULL;
		}
	}

	if (snd_rawmidi_new (card, "WaveFront MIDI", midi_dev, 1, 1, &rmidi) < 0)
		return NULL;

	if (mpu == internal_mpu) {
		strcpy(rmidi->name, "WaveFront MIDI (Internal)");
		rmidi->private_data = &internal_id;
	} else {
		strcpy(rmidi->name, "WaveFront MIDI (External)");
		rmidi->private_data = &external_id;
	}

	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_wavefront_midi_output);
	snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_wavefront_midi_input);

	rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
			     SNDRV_RAWMIDI_INFO_INPUT |
			     SNDRV_RAWMIDI_INFO_DUPLEX;

	return rmidi;
}

static void
snd_wavefront_free(struct snd_card *card)
{
	snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data;
	
	if (acard) {
		release_and_free_resource(acard->wavefront.res_base);
		if (acard->wavefront.irq > 0)
			free_irq(acard->wavefront.irq, (void *)acard);
	}
}

static int snd_wavefront_card_new(struct device *pdev, int dev,
				  struct snd_card **cardp)
{
	struct snd_card *card;
	snd_wavefront_card_t *acard;
	int err;

	err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
			   sizeof(snd_wavefront_card_t), &card);
	if (err < 0)
		return err;

	acard = card->private_data;
	acard->wavefront.irq = -1;
	spin_lock_init(&acard->wavefront.irq_lock);
	init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
	spin_lock_init(&acard->wavefront.midi.open);
	spin_lock_init(&acard->wavefront.midi.virtual);
	acard->wavefront.card = card;
	card->private_free = snd_wavefront_free;

	*cardp = card;
	return 0;
}

static int
snd_wavefront_probe (struct snd_card *card, int dev)
{
	snd_wavefront_card_t *acard = card->private_data;
	struct snd_wss *chip;
	struct snd_hwdep *wavefront_synth;
	struct snd_rawmidi *ics2115_internal_rmidi = NULL;
	struct snd_rawmidi *ics2115_external_rmidi = NULL;
	struct snd_hwdep *fx_processor;
	int hw_dev = 0, midi_dev = 0, err;

	/* --------- PCM --------------- */

	err = snd_wss_create(card, cs4232_pcm_port[dev], -1,
			     cs4232_pcm_irq[dev], dma1[dev], dma2[dev],
			     WSS_HW_DETECT, 0, &chip);
	if (err < 0) {
		snd_printk(KERN_ERR "can't allocate WSS device\n");
		return err;
	}

	err = snd_wss_pcm(chip, 0);
	if (err < 0)
		return err;

	err = snd_wss_timer(chip, 0);
	if (err < 0)
		return err;

	/* ---------- OPL3 synth --------- */

	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
		struct snd_opl3 *opl3;

		err = snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
				      OPL3_HW_OPL3_CS, 0, &opl3);
		if (err < 0) {
			snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n");
			return err;
		}

		err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL);
		if (err < 0)
			return err;
		hw_dev++;
	}

	/* ------- ICS2115 Wavetable synth ------- */

	acard->wavefront.res_base = request_region(ics2115_port[dev], 16,
						   "ICS2115");
	if (acard->wavefront.res_base == NULL) {
		snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n",
			   ics2115_port[dev], ics2115_port[dev] + 16 - 1);
		return -EBUSY;
	}
	if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt,
			0, "ICS2115", acard)) {
		snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
		return -EBUSY;
	}
	
	acard->wavefront.irq = ics2115_irq[dev];
	card->sync_irq = acard->wavefront.irq;
	acard->wavefront.base = ics2115_port[dev];

	wavefront_synth = snd_wavefront_new_synth(card, hw_dev, acard);
	if (wavefront_synth == NULL) {
		snd_printk (KERN_ERR "can't create WaveFront synth device\n");
		return -ENOMEM;
	}

	strcpy (wavefront_synth->name, "ICS2115 Wavetable MIDI Synthesizer");
	wavefront_synth->iface = SNDRV_HWDEP_IFACE_ICS2115;
	hw_dev++;

	/* --------- Mixer ------------ */

	err = snd_wss_mixer(chip);
	if (err < 0) {
		snd_printk (KERN_ERR "can't allocate mixer device\n");
		return err;
	}

	/* -------- CS4232 MPU-401 interface -------- */

	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
		err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
					  cs4232_mpu_port[dev], 0,
					  cs4232_mpu_irq[dev], NULL);
		if (err < 0) {
			snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
			return err;
		}
		midi_dev++;
	}

	/* ------ ICS2115 internal MIDI ------------ */

	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
		ics2115_internal_rmidi = 
			snd_wavefront_new_midi (card, 
						midi_dev,
						acard,
						ics2115_port[dev],
						internal_mpu);
		if (ics2115_internal_rmidi == NULL) {
			snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n");
			return -ENOMEM;
		}
		midi_dev++;
	}

	/* ------ ICS2115 external MIDI ------------ */

	if (ics2115_port[dev] > 0 && ics2115_port[dev] != SNDRV_AUTO_PORT) {
		ics2115_external_rmidi = 
			snd_wavefront_new_midi (card, 
						midi_dev,
						acard,
						ics2115_port[dev],
						external_mpu);
		if (ics2115_external_rmidi == NULL) {
			snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n");
			return -ENOMEM;
		}
		midi_dev++;
	}

	/* FX processor for Tropez+ */

	if (acard->wavefront.has_fx) {
		fx_processor = snd_wavefront_new_fx (card,
						     hw_dev,
						     acard,
						     ics2115_port[dev]);
		if (fx_processor == NULL) {
			snd_printk (KERN_ERR "can't setup FX device\n");
			return -ENOMEM;
		}

		hw_dev++;

		strcpy(card->driver, "Tropez+");
		strcpy(card->shortname, "Turtle Beach Tropez+");
	} else {
		/* Need a way to distinguish between Maui and Tropez */
		strcpy(card->driver, "WaveFront");
		strcpy(card->shortname, "Turtle Beach WaveFront");
	}

	/* ----- Register the card --------- */

	/* Not safe to include "Turtle Beach" in longname, due to 
	   length restrictions
	*/

	sprintf(card->longname, "%s PCM 0x%lx irq %d dma %d",
		card->driver,
		chip->port,
		cs4232_pcm_irq[dev],
		dma1[dev]);

	if (dma2[dev] >= 0 && dma2[dev] < 8)
		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);

	if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) {
		sprintf (card->longname + strlen (card->longname), 
			 " MPU-401 0x%lx irq %d",
			 cs4232_mpu_port[dev],
			 cs4232_mpu_irq[dev]);
	}

	sprintf (card->longname + strlen (card->longname), 
		 " SYNTH 0x%lx irq %d",
		 ics2115_port[dev],
		 ics2115_irq[dev]);

	return snd_card_register(card);
}	

static int snd_wavefront_isa_match(struct device *pdev,
				   unsigned int dev)
{
	if (!enable[dev])
		return 0;
#ifdef CONFIG_PNP
	if (isapnp[dev])
		return 0;
#endif
	if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
		snd_printk(KERN_ERR "specify CS4232 port\n");
		return 0;
	}
	if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
		snd_printk(KERN_ERR "specify ICS2115 port\n");
		return 0;
	}
	return 1;
}

static int snd_wavefront_isa_probe(struct device *pdev,
				   unsigned int dev)
{
	struct snd_card *card;
	int err;

	err = snd_wavefront_card_new(pdev, dev, &card);
	if (err < 0)
		return err;
	if ((err = snd_wavefront_probe(card, dev)) < 0) {
		snd_card_free(card);
		return err;
	}
	
	dev_set_drvdata(pdev, card);
	return 0;
}

static int snd_wavefront_isa_remove(struct device *devptr,
				    unsigned int dev)
{
	snd_card_free(dev_get_drvdata(devptr));
	return 0;
}

#define DEV_NAME "wavefront"

static struct isa_driver snd_wavefront_driver = {
	.match		= snd_wavefront_isa_match,
	.probe		= snd_wavefront_isa_probe,
	.remove		= snd_wavefront_isa_remove,
	/* FIXME: suspend, resume */
	.driver		= {
		.name	= DEV_NAME
	},
};


#ifdef CONFIG_PNP
static int snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
				    const struct pnp_card_device_id *pid)
{
	static int dev;
	struct snd_card *card;
	int res;

	for ( ; dev < SNDRV_CARDS; dev++) {
		if (enable[dev] && isapnp[dev])
			break;
	}
	if (dev >= SNDRV_CARDS)
		return -ENODEV;

	res = snd_wavefront_card_new(&pcard->card->dev, dev, &card);
	if (res < 0)
		return res;

	if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
		if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
			snd_printk (KERN_ERR "isapnp detection failed\n");
			snd_card_free (card);
			return -ENODEV;
		}
	}

	if ((res = snd_wavefront_probe(card, dev)) < 0)
		return res;

	pnp_set_card_drvdata(pcard, card);
	dev++;
	return 0;
}

static void snd_wavefront_pnp_remove(struct pnp_card_link *pcard)
{
	snd_card_free(pnp_get_card_drvdata(pcard));
	pnp_set_card_drvdata(pcard, NULL);
}

static struct pnp_card_driver wavefront_pnpc_driver = {
	.flags		= PNP_DRIVER_RES_DISABLE,
	.name		= "wavefront",
	.id_table	= snd_wavefront_pnpids,
	.probe		= snd_wavefront_pnp_detect,
	.remove		= snd_wavefront_pnp_remove,
	/* FIXME: suspend,resume */
};

#endif /* CONFIG_PNP */

static int __init alsa_card_wavefront_init(void)
{
	int err;

	err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
#ifdef CONFIG_PNP
	if (!err)
		isa_registered = 1;

	err = pnp_register_card_driver(&wavefront_pnpc_driver);
	if (!err)
		pnp_registered = 1;

	if (isa_registered)
		err = 0;
#endif
	return err;
}

static void __exit alsa_card_wavefront_exit(void)
{
#ifdef CONFIG_PNP
	if (pnp_registered)
		pnp_unregister_card_driver(&wavefront_pnpc_driver);
	if (isa_registered)
#endif
		isa_unregister_driver(&snd_wavefront_driver);
}

module_init(alsa_card_wavefront_init)
module_exit(alsa_card_wavefront_exit)