Free Electrons

Embedded Linux Experts

  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
/*
 *  Driver for generic CS4232/CS4235/CS4236/CS4236B/CS4237B/CS4238B/CS4239 chips
 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/driver.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/pnp.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/cs4231.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_LICENSE("GPL");
#ifdef CS4232
MODULE_DESCRIPTION("Cirrus Logic CS4232");
MODULE_SUPPORTED_DEVICE("{{Turtle Beach,TBS-2000},"
		"{Turtle Beach,Tropez Plus},"
		"{SIC CrystalWave 32},"
		"{Hewlett Packard,Omnibook 5500},"
		"{TerraTec,Maestro 32/96},"
		"{Philips,PCA70PS}}");
#else
MODULE_DESCRIPTION("Cirrus Logic CS4235-9");
MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4235},"
		"{Crystal Semiconductors,CS4236},"
		"{Crystal Semiconductors,CS4237},"
		"{Crystal Semiconductors,CS4238},"
		"{Crystal Semiconductors,CS4239},"
		"{Acer,AW37},"
		"{Acer,AW35/Pro},"
		"{Crystal,3D},"
		"{Crystal Computer,TidalWave128},"
		"{Dell,Optiplex GX1},"
		"{Dell,Workstation 400 sound},"
		"{EliteGroup,P5TX-LA sound},"
		"{Gallant,SC-70P},"
		"{Gateway,E1000 Onboard CS4236B},"
		"{Genius,Sound Maker 3DJ},"
		"{Hewlett Packard,HP6330 sound},"
		"{IBM,PC 300PL sound},"
		"{IBM,Aptiva 2137 E24},"
		"{IBM,IntelliStation M Pro},"
		"{Intel,Marlin Spike Mobo CS4235},"
		"{Intel PR440FX Onboard},"
		"{Guillemot,MaxiSound 16 PnP},"
		"{NewClear,3D},"
		"{TerraTec,AudioSystem EWS64L/XL},"
		"{Typhoon Soundsystem,CS4236B},"
		"{Turtle Beach,Malibu},"
		"{Unknown,Digital PC 5000 Onboard}}");
#endif

#ifdef CS4232
#define IDENT "CS4232"
#else
#define IDENT "CS4236+"
#endif

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
#ifdef CONFIG_PNP
static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
#endif
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static long cport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* PnP setup */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static long sb_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 9,11,12,15 */
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 */

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " IDENT " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " IDENT " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " IDENT " soundcard.");
#ifdef CONFIG_PNP
module_param_array(isapnp, bool, NULL, 0444);
MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
#endif
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " IDENT " driver.");
module_param_array(cport, long, NULL, 0444);
MODULE_PARM_DESC(cport, "Control port # for " IDENT " driver.");
module_param_array(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " IDENT " driver.");
module_param_array(fm_port, long, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port # for " IDENT " driver.");
module_param_array(sb_port, long, NULL, 0444);
MODULE_PARM_DESC(sb_port, "SB port # for " IDENT " driver (optional).");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " IDENT " driver.");
module_param_array(mpu_irq, int, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " IDENT " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " IDENT " driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " IDENT " driver.");

struct snd_card_cs4236 {
	struct resource *res_sb_port;
#ifdef CONFIG_PNP
	struct pnp_dev *wss;
	struct pnp_dev *ctrl;
	struct pnp_dev *mpu;
#endif
};

static snd_card_t *snd_cs4236_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;

#ifdef CONFIG_PNP

#define ISAPNP_CS4232(_va, _vb, _vc, _device, _wss, _ctrl, _mpu401) \
	{ \
		ISAPNP_CARD_ID(_va, _vb, _vc, _device), \
		.devs = { ISAPNP_DEVICE_ID(_va, _vb, _vc, _wss), \
                          ISAPNP_DEVICE_ID(_va, _vb, _vc, _ctrl), \
			  ISAPNP_DEVICE_ID(_va, _vb, _vc, _mpu401) } \
        }
#define ISAPNP_CS4232_1(_va, _vb, _vc, _device, _wss, _ctrl, _mpu401) \
	{ \
		ISAPNP_CARD_ID(_va, _vb, _vc, _device), \
		.devs = { ISAPNP_DEVICE_ID(_va, _vb, _vc, _wss), \
                          ISAPNP_DEVICE_ID(_va, _vb, _vc, _ctrl), \
		 	  ISAPNP_DEVICE_ID('P', 'N', 'P', _mpu401) } \
        }
#define ISAPNP_CS4232_WOMPU(_va, _vb, _vc, _device, _wss, _ctrl) \
	{ \
		ISAPNP_CARD_ID(_va, _vb, _vc, _device), \
		.devs = { ISAPNP_DEVICE_ID(_va, _vb, _vc, _wss), \
                          ISAPNP_DEVICE_ID(_va, _vb, _vc, _ctrl) } \
        }


#ifdef CS4232
static struct pnp_card_device_id snd_cs423x_pnpids[] = {
	/* Philips PCA70PS */
	{ .id = "CSC0d32", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
	/* TerraTec Maestro 32/96 (CS4232) */
	{ .id = "CSC1a32", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* HP Omnibook 5500 onboard */
	{ .id = "CSC4232", .devs = { { "CSC0000" }, { "CSC0002" }, { "CSC0003" } } },
	/* Unnamed CS4236 card (Made in Taiwan) */
	{ .id = "CSC4236", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Turtle Beach TBS-2000 (CS4232) */
	{ .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSCb006" } } },
	/* Turtle Beach Tropez Plus (CS4232) */
	{ .id = "CSC7632", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
	/* SIC CrystalWave 32 (CS4232) */
	{ .id = "CSCf032", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* --- */
	{ .id = "" }	/* end */
};
#else /* CS4236 */
static struct pnp_card_device_id snd_cs423x_pnpids[] = {
	/* Intel Marlin Spike Motherboard - CS4235 */
	{ .id = "CSC0225", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Intel Marlin Spike Motherboard (#2) - CS4235 */
	{ .id = "CSC0225", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
	/* Unknown Intel mainboard - CS4235 */
	{ .id = "CSC0225", .devs = { { "CSC0100" }, { "CSC0110" } } },
	/* Genius Sound Maker 3DJ - CS4237B */
	{ .id = "CSC0437", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Digital PC 5000 Onboard - CS4236B */
	{ .id = "CSC0735", .devs = { { "CSC0000" }, { "CSC0010" } } },
	/* some uknown CS4236B */
	{ .id = "CSC0b35", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Intel PR440FX Onboard sound */
	{ .id = "CSC0b36", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* CS4235 on mainboard without MPU */
	{ .id = "CSC1425", .devs = { { "CSC0100" }, { "CSC0110" } } },
	/* Gateway E1000 Onboard CS4236B */
	{ .id = "CSC1335", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* HP 6330 Onboard sound */
	{ .id = "CSC1525", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
	/* Crystal Computer TidalWave128 */
	{ .id = "CSC1e37", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* ACER AW37 - CS4235 */
	{ .id = "CSC4236", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* build-in soundcard in EliteGroup P5TX-LA motherboard - CS4237B */
	{ .id = "CSC4237", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Crystal 3D - CS4237B */
	{ .id = "CSC4336", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Typhoon Soundsystem PnP - CS4236B */
	{ .id = "CSC4536", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Crystal CX4235-XQ3 EP - CS4235 */
	{ .id = "CSC4625", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
	/* Crystal Semiconductors CS4237B */
	{ .id = "CSC4637", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* NewClear 3D - CX4237B-XQ3 */
	{ .id = "CSC4837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Dell Optiplex GX1 - CS4236B */
	{ .id = "CSC6835", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Dell P410 motherboard - CS4236B */
	{ .id = "CSC6835", .devs = { { "CSC0000" }, { "CSC0010" } } },
	/* Dell Workstation 400 Onboard - CS4236B */
	{ .id = "CSC6836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Turtle Beach Malibu - CS4237B */
	{ .id = "CSC7537", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* CS4235 - onboard */
	{ .id = "CSC8025", .devs = { { "CSC0100" }, { "CSC0110" }, { "CSC0103" } } },
	/* IBM Aptiva 2137 E24 Onboard - CS4237B */
	{ .id = "CSC8037", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* IBM IntelliStation M Pro motherboard */
	{ .id = "CSCc835", .devs = { { "CSC0000" }, { "CSC0010" } } },
	/* Guillemot MaxiSound 16 PnP - CS4236B */
	{ .id = "CSC9836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* Gallant SC-70P */
	{ .id = "CSC9837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* TerraTec AudioSystem EWS64XL - CS4236B */
	{ .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" }, { "CSCa803" } } },
	/* TerraTec AudioSystem EWS64XL - CS4236B */
	{ .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" } } },
	/* ACER AW37/Pro - CS4235 */
	{ .id = "CSCd925", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* ACER AW35/Pro - CS4237B */
	{ .id = "CSCd937", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* CS4235 without MPU401 */
	{ .id = "CSCe825", .devs = { { "CSC0100" }, { "CSC0110" } } },
	/* Unknown SiS530 - CS4235 */
	{ .id = "CSC4825", .devs = { { "CSC0100" }, { "CSC0110" } } },
	/* IBM IntelliStation M Pro 6898 11U - CS4236B */
	{ .id = "CSCe835", .devs = { { "CSC0000" }, { "CSC0010" } } },
	/* IBM PC 300PL Onboard - CS4236B */
	{ .id = "CSCe836", .devs = { { "CSC0000" }, { "CSC0010" } } },
	/* Some noname CS4236 based card */
	{ .id = "CSCe936", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* CS4236B */
	{ .id = "CSCf235", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* CS4236B */
	{ .id = "CSCf238", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
	/* --- */
	{ .id = "" }	/* end */
};
#endif

MODULE_DEVICE_TABLE(pnp_card, snd_cs423x_pnpids);

static int __devinit snd_card_cs4236_pnp(int dev, struct snd_card_cs4236 *acard,
					 struct pnp_card_link *card,
					 const struct pnp_card_device_id *id)
{
	struct pnp_dev *pdev;
	struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
	int err;

	if (!cfg)
		return -ENOMEM;

	acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
	if (acard->wss == NULL) {
		kfree(cfg);
		return -EBUSY;
	}
	acard->ctrl = pnp_request_card_device(card, id->devs[1].id, NULL);
	if (acard->ctrl == NULL) {
		kfree(cfg);
		return -EBUSY;
	}
	if (id->devs[2].id[0]) {
		acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
		if (acard->mpu == NULL) {
			kfree(cfg);
			return -EBUSY;
		}
	}

	/* WSS initialization */
	pdev = acard->wss;
	pnp_init_resource_table(cfg);
	if (port[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[0], port[dev], 4);
	if (fm_port[dev] != SNDRV_AUTO_PORT && fm_port[dev] > 0)
		pnp_resource_change(&cfg->port_resource[1], fm_port[dev], 4);
	if (sb_port[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[2], sb_port[dev], 16);
	if (irq[dev] != SNDRV_AUTO_IRQ)
		pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
	if (dma1[dev] != SNDRV_AUTO_DMA)
		pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1);
	if (dma2[dev] != SNDRV_AUTO_DMA)
		pnp_resource_change(&cfg->dma_resource[1], dma2[dev] < 0 ? 4 : dma2[dev], 1);
	err = pnp_manual_config_dev(pdev, cfg, 0);
	if (err < 0)
		snd_printk(KERN_ERR IDENT " WSS PnP manual resources are invalid, using auto config\n");
	err = pnp_activate_dev(pdev);
	if (err < 0) {
		kfree(cfg);
		printk(KERN_ERR IDENT " WSS PnP configure failed for WSS (out of resources?)\n");
		return -EBUSY;
	}
	port[dev] = pnp_port_start(pdev, 0);
	if (fm_port[dev] > 0)
		fm_port[dev] = pnp_port_start(pdev, 1);
	sb_port[dev] = pnp_port_start(pdev, 2);
	irq[dev] = pnp_irq(pdev, 0);
	dma1[dev] = pnp_dma(pdev, 0);
	dma2[dev] = pnp_dma(pdev, 1) == 4 ? -1 : (int)pnp_dma(pdev, 1);
	snd_printdd("isapnp WSS: wss port=0x%lx, fm port=0x%lx, sb port=0x%lx\n",
			port[dev], fm_port[dev], sb_port[dev]);
	snd_printdd("isapnp WSS: irq=%i, dma1=%i, dma2=%i\n",
			irq[dev], dma1[dev], dma2[dev]);
	/* CTRL initialization */
	if (acard->ctrl && cport[dev] > 0) {
		pdev = acard->ctrl;
		pnp_init_resource_table(cfg);
		if (cport[dev] != SNDRV_AUTO_PORT)
			pnp_resource_change(&cfg->port_resource[0], cport[dev], 8);
		err = pnp_manual_config_dev(pdev, cfg, 0);
		if (err < 0)
			snd_printk(KERN_ERR IDENT " CTRL PnP manual resources are invalid, using auto config\n");
		err = pnp_activate_dev(pdev);
		if (err < 0) {
			kfree(cfg);
			printk(KERN_ERR IDENT " CTRL PnP configure failed for WSS (out of resources?)\n");
			return -EBUSY;
		}
		cport[dev] = pnp_port_start(pdev, 0);
		snd_printdd("isapnp CTRL: control port=0x%lx\n", cport[dev]);
	}
	/* MPU initialization */
	if (acard->mpu && mpu_port[dev] > 0) {
		pdev = acard->mpu;
		pnp_init_resource_table(cfg);
		if (mpu_port[dev] != SNDRV_AUTO_PORT)
			pnp_resource_change(&cfg->port_resource[0], mpu_port[dev], 2);
		if (mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] >= 0 &&
		    pnp_irq_valid(pdev, 0))
			pnp_resource_change(&cfg->irq_resource[0], mpu_irq[dev], 1);
		err = pnp_manual_config_dev(pdev, cfg, 0);
		if (err < 0)
			snd_printk(KERN_ERR IDENT " MPU401 PnP manual resources are invalid, using auto config\n");
		err = pnp_activate_dev(pdev);
		if (err < 0) {
			printk(KERN_ERR IDENT " MPU401 PnP configure failed for WSS (out of resources?)\n");
			mpu_port[dev] = SNDRV_AUTO_PORT;
			mpu_irq[dev] = SNDRV_AUTO_IRQ;
		} else {
			mpu_port[dev] = pnp_port_start(pdev, 0);
			if (mpu_irq[dev] >= 0 &&
			    pnp_irq_valid(pdev, 0) && pnp_irq(pdev, 0) >= 0) {
				mpu_irq[dev] = pnp_irq(pdev, 0);
			} else {
				mpu_irq[dev] = -1;	/* disable interrupt */
			}
		}
		snd_printdd("isapnp MPU: port=0x%lx, irq=%i\n", mpu_port[dev], mpu_irq[dev]);
	}
	kfree(cfg);
	return 0;
}
#endif /* CONFIG_PNP */

static void snd_card_cs4236_free(snd_card_t *card)
{
	struct snd_card_cs4236 *acard = (struct snd_card_cs4236 *)card->private_data;

	if (acard) {
		if (acard->res_sb_port) {
			release_resource(acard->res_sb_port);
			kfree_nocheck(acard->res_sb_port);
		}
	}
}

static int __devinit snd_card_cs423x_probe(int dev, struct pnp_card_link *pcard,
					   const struct pnp_card_device_id *pid)
{
	snd_card_t *card;
	struct snd_card_cs4236 *acard;
	snd_pcm_t *pcm = NULL;
	cs4231_t *chip;
	opl3_t *opl3;
	int err;

#ifdef CONFIG_PNP
	if (!isapnp[dev]) {
#endif
		if (port[dev] == SNDRV_AUTO_PORT) {
			snd_printk("specify port\n");
			return -EINVAL;
		}
		if (cport[dev] == SNDRV_AUTO_PORT) {
			snd_printk("specify cport\n");
			return -EINVAL;
		}
#ifdef CONFIG_PNP
	}
#endif
	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
			    sizeof(struct snd_card_cs4236));
	if (card == NULL)
		return -ENOMEM;
	acard = (struct snd_card_cs4236 *)card->private_data;
	card->private_free = snd_card_cs4236_free;
#ifdef CONFIG_PNP
	if (isapnp[dev]) {
		if ((err = snd_card_cs4236_pnp(dev, acard, pcard, pid))<0) {
			printk(KERN_ERR "isapnp detection failed and probing for " IDENT " is not supported\n");
			snd_card_free(card);
			return -ENXIO;
		}
		snd_card_set_dev(card, &pcard->card->dev);
	}
#endif
	if (sb_port[dev] > 0 && sb_port[dev] != SNDRV_AUTO_PORT)
		if ((acard->res_sb_port = request_region(sb_port[dev], 16, IDENT " SB")) == NULL) {
			printk(KERN_ERR IDENT ": unable to register SB port at 0x%lx\n", sb_port[dev]);
			snd_card_free(card);
			return -ENOMEM;
		}

#ifdef CS4232
	if ((err = snd_cs4231_create(card,
				     port[dev],
				     cport[dev],
				     irq[dev],
				     dma1[dev],
				     dma2[dev],
				     CS4231_HW_DETECT,
				     0,
				     &chip)) < 0) {
		snd_card_free(card);
		return err;
	}
	if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0) {
		snd_card_free(card);
		return err;
	}
	if ((err = snd_cs4231_mixer(chip)) < 0) {
		snd_card_free(card);
		return err;
	}

#else /* CS4236 */
	if ((err = snd_cs4236_create(card,
				     port[dev],
				     cport[dev],
				     irq[dev],
				     dma1[dev],
				     dma2[dev],
				     CS4231_HW_DETECT,
				     0,
				     &chip)) < 0) {
		snd_card_free(card);
		return err;
	}
	if ((err = snd_cs4236_pcm(chip, 0, &pcm)) < 0) {
		snd_card_free(card);
		return err;
	}
	if ((err = snd_cs4236_mixer(chip)) < 0) {
		snd_card_free(card);
		return err;
	}
#endif
	strcpy(card->driver, pcm->name);
	strcpy(card->shortname, pcm->name);
	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i",
		pcm->name,
		chip->port,
		irq[dev],
		dma1[dev]);
	if (dma2[dev] >= 0)
		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);

	if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0) {
		snd_card_free(card);
		return err;
	}

	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
		if (snd_opl3_create(card,
				    fm_port[dev], fm_port[dev] + 2,
				    OPL3_HW_OPL3_CS, 0, &opl3) < 0) {
			printk(KERN_ERR IDENT ": OPL3 not detected\n");
		} else {
			if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
				snd_card_free(card);
				return err;
			}
		}
	}

	if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
		if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
			mpu_irq[dev] = -1;
		if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
					mpu_port[dev], 0,
					mpu_irq[dev],
					mpu_irq[dev] >= 0 ? SA_INTERRUPT : 0, NULL) < 0)
			printk(KERN_ERR IDENT ": MPU401 not detected\n");
	}
	if ((err = snd_card_register(card)) < 0) {
		snd_card_free(card);
		return err;
	}
	if (pcard)
		pnp_set_card_drvdata(pcard, card);
	else
		snd_cs4236_legacy[dev] = card;
	return 0;
}

#ifdef CONFIG_PNP
static int __devinit snd_cs423x_pnp_detect(struct pnp_card_link *card,
					   const struct pnp_card_device_id *id)
{
	static int dev;
	int res;

	for ( ; dev < SNDRV_CARDS; dev++) {
		if (!enable[dev] || !isapnp[dev])
			continue;
		res = snd_card_cs423x_probe(dev, card, id);
		if (res < 0)
			return res;
		dev++;
		return 0;
	}
	return -ENODEV;
}

static void __devexit snd_cs423x_pnp_remove(struct pnp_card_link * pcard)
{
	snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
        
	snd_card_disconnect(card);
	snd_card_free_in_thread(card);
}
                        
static struct pnp_card_driver cs423x_pnpc_driver = {
	.flags = PNP_DRIVER_RES_DISABLE,
	.name = "cs423x",
	.id_table = snd_cs423x_pnpids,
	.probe = snd_cs423x_pnp_detect,
	.remove = __devexit_p(snd_cs423x_pnp_remove),
};
#endif /* CONFIG_PNP */

static int __init alsa_card_cs423x_init(void)
{
	int dev, cards = 0;

	for (dev = 0; dev < SNDRV_CARDS; dev++) {
		if (!enable[dev])
			continue;
#ifdef CONFIG_PNP
		if (isapnp[dev])
			continue;
#endif
		if (snd_card_cs423x_probe(dev, NULL, NULL) >= 0)
			cards++;
	}
#ifdef CONFIG_PNP
	cards += pnp_register_card_driver(&cs423x_pnpc_driver);
#endif
	if (!cards) {
#ifdef CONFIG_PNP
		pnp_unregister_card_driver(&cs423x_pnpc_driver);
#endif
#ifdef MODULE
		printk(KERN_ERR IDENT " soundcard not found or device busy\n");
#endif
		return -ENODEV;
	}
	return 0;
}

static void __exit alsa_card_cs423x_exit(void)
{
	int idx;

#ifdef CONFIG_PNP
	/* PnP cards first */
	pnp_unregister_card_driver(&cs423x_pnpc_driver);
#endif
	for (idx = 0; idx < SNDRV_CARDS; idx++)
		snd_card_free(snd_cs4236_legacy[idx]);
}

module_init(alsa_card_cs423x_init)
module_exit(alsa_card_cs423x_exit)