1 /*
2     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
3     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
4 
5     Part of this code was developed at the Italian Ministry of Air Defence,
6     Sixth Division (oh, che pace ...), Rome.
7 
8     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
9 
10     This program is free software; you can redistribute it and/or modify
11     it under the terms of the GNU General Public License as published by
12     the Free Software Foundation; either version 2 of the License, or
13     (at your option) any later version.
14 
15     This program is distributed in the hope that it will be useful,
16     but WITHOUT ANY WARRANTY; without even the implied warranty of
17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18     GNU General Public License for more details.
19 
20     You should have received a copy of the GNU General Public License
21     along with this program; if not, write to the Free Software
22     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23 */
24 
25 
26 #include <linux/init.h>
27 #include <linux/err.h>
28 #include <linux/isa.h>
29 #include <linux/delay.h>
30 #include <linux/pnp.h>
31 #include <linux/module.h>
32 #include <linux/io.h>
33 #include <asm/dma.h>
34 #include <sound/core.h>
35 #include <sound/tlv.h>
36 #include <sound/wss.h>
37 #include <sound/mpu401.h>
38 #include <sound/opl3.h>
39 #ifndef OPTi93X
40 #include <sound/opl4.h>
41 #endif
42 #define SNDRV_LEGACY_FIND_FREE_IOPORT
43 #define SNDRV_LEGACY_FIND_FREE_IRQ
44 #define SNDRV_LEGACY_FIND_FREE_DMA
45 #include <sound/initval.h>
46 
47 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
48 MODULE_LICENSE("GPL");
49 #ifdef OPTi93X
50 MODULE_DESCRIPTION("OPTi93X");
51 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
52 #else	/* OPTi93X */
53 #ifdef CS4231
54 MODULE_DESCRIPTION("OPTi92X - CS4231");
55 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
56 		"{OPTi,82C925 (CS4231)}}");
57 #else	/* CS4231 */
58 MODULE_DESCRIPTION("OPTi92X - AD1848");
59 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
60 		"{OPTi,82C925 (AD1848)},"
61 	        "{OAK,Mozart}}");
62 #endif	/* CS4231 */
63 #endif	/* OPTi93X */
64 
65 static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
66 static char *id = SNDRV_DEFAULT_STR1;		/* ID for this card */
67 //static bool enable = SNDRV_DEFAULT_ENABLE1;	/* Enable this card */
68 #ifdef CONFIG_PNP
69 static bool isapnp = true;			/* Enable ISA PnP detection */
70 #endif
71 static long port = SNDRV_DEFAULT_PORT1; 	/* 0x530,0xe80,0xf40,0x604 */
72 static long mpu_port = SNDRV_DEFAULT_PORT1;	/* 0x300,0x310,0x320,0x330 */
73 static long fm_port = SNDRV_DEFAULT_PORT1;	/* 0x388 */
74 static int irq = SNDRV_DEFAULT_IRQ1;		/* 5,7,9,10,11 */
75 static int mpu_irq = SNDRV_DEFAULT_IRQ1;	/* 5,7,9,10 */
76 static int dma1 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
77 #if defined(CS4231) || defined(OPTi93X)
78 static int dma2 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
79 #endif	/* CS4231 || OPTi93X */
80 
81 module_param(index, int, 0444);
82 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
83 module_param(id, charp, 0444);
84 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
85 //module_param(enable, bool, 0444);
86 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
87 #ifdef CONFIG_PNP
88 module_param(isapnp, bool, 0444);
89 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
90 #endif
91 module_param_hw(port, long, ioport, 0444);
92 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
93 module_param_hw(mpu_port, long, ioport, 0444);
94 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
95 module_param_hw(fm_port, long, ioport, 0444);
96 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
97 module_param_hw(irq, int, irq, 0444);
98 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
99 module_param_hw(mpu_irq, int, irq, 0444);
100 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
101 module_param_hw(dma1, int, dma, 0444);
102 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
103 #if defined(CS4231) || defined(OPTi93X)
104 module_param_hw(dma2, int, dma, 0444);
105 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
106 #endif	/* CS4231 || OPTi93X */
107 
108 #define OPTi9XX_HW_82C928	1
109 #define OPTi9XX_HW_82C929	2
110 #define OPTi9XX_HW_82C924	3
111 #define OPTi9XX_HW_82C925	4
112 #define OPTi9XX_HW_82C930	5
113 #define OPTi9XX_HW_82C931	6
114 #define OPTi9XX_HW_82C933	7
115 #define OPTi9XX_HW_LAST		OPTi9XX_HW_82C933
116 
117 #define OPTi9XX_MC_REG(n)	n
118 
119 #ifdef OPTi93X
120 
121 #define OPTi93X_STATUS			0x02
122 #define OPTi93X_PORT(chip, r)		((chip)->port + OPTi93X_##r)
123 
124 #define OPTi93X_IRQ_PLAYBACK		0x04
125 #define OPTi93X_IRQ_CAPTURE		0x08
126 
127 #endif /* OPTi93X */
128 
129 struct snd_opti9xx {
130 	unsigned short hardware;
131 	unsigned char password;
132 	char name[7];
133 
134 	unsigned long mc_base;
135 	struct resource *res_mc_base;
136 	unsigned long mc_base_size;
137 #ifdef OPTi93X
138 	unsigned long mc_indir_index;
139 	struct resource *res_mc_indir;
140 #endif	/* OPTi93X */
141 	struct snd_wss *codec;
142 	unsigned long pwd_reg;
143 
144 	spinlock_t lock;
145 
146 	long wss_base;
147 	int irq;
148 };
149 
150 static int snd_opti9xx_pnp_is_probed;
151 
152 #ifdef CONFIG_PNP
153 
154 static const struct pnp_card_device_id snd_opti9xx_pnpids[] = {
155 #ifndef OPTi93X
156 	/* OPTi 82C924 */
157 	{ .id = "OPT0924",
158 	  .devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
159 	  .driver_data = 0x0924 },
160 	/* OPTi 82C925 */
161 	{ .id = "OPT0925",
162 	  .devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
163 	  .driver_data = 0x0925 },
164 #else
165 	/* OPTi 82C931/3 */
166 	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
167 	  .driver_data = 0x0931 },
168 #endif	/* OPTi93X */
169 	{ .id = "" }
170 };
171 
172 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
173 
174 #endif	/* CONFIG_PNP */
175 
176 #define DEV_NAME KBUILD_MODNAME
177 
178 static char * snd_opti9xx_names[] = {
179 	"unknown",
180 	"82C928",	"82C929",
181 	"82C924",	"82C925",
182 	"82C930",	"82C931",	"82C933"
183 };
184 
185 static int snd_opti9xx_init(struct snd_opti9xx *chip,
186 			    unsigned short hardware)
187 {
188 	static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
189 
190 	chip->hardware = hardware;
191 	strcpy(chip->name, snd_opti9xx_names[hardware]);
192 
193 	spin_lock_init(&chip->lock);
194 
195 	chip->irq = -1;
196 
197 #ifndef OPTi93X
198 #ifdef CONFIG_PNP
199 	if (isapnp && chip->mc_base)
200 		/* PnP resource gives the least 10 bits */
201 		chip->mc_base |= 0xc00;
202 	else
203 #endif	/* CONFIG_PNP */
204 	{
205 		chip->mc_base = 0xf8c;
206 		chip->mc_base_size = opti9xx_mc_size[hardware];
207 	}
208 #else
209 		chip->mc_base_size = opti9xx_mc_size[hardware];
210 #endif
211 
212 	switch (hardware) {
213 #ifndef OPTi93X
214 	case OPTi9XX_HW_82C928:
215 	case OPTi9XX_HW_82C929:
216 		chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
217 		chip->pwd_reg = 3;
218 		break;
219 
220 	case OPTi9XX_HW_82C924:
221 	case OPTi9XX_HW_82C925:
222 		chip->password = 0xe5;
223 		chip->pwd_reg = 3;
224 		break;
225 #else	/* OPTi93X */
226 
227 	case OPTi9XX_HW_82C930:
228 	case OPTi9XX_HW_82C931:
229 	case OPTi9XX_HW_82C933:
230 		chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
231 		if (!chip->mc_indir_index)
232 			chip->mc_indir_index = 0xe0e;
233 		chip->password = 0xe4;
234 		chip->pwd_reg = 0;
235 		break;
236 #endif	/* OPTi93X */
237 
238 	default:
239 		snd_printk(KERN_ERR "chip %d not supported\n", hardware);
240 		return -ENODEV;
241 	}
242 	return 0;
243 }
244 
245 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
246 				      unsigned char reg)
247 {
248 	unsigned long flags;
249 	unsigned char retval = 0xff;
250 
251 	spin_lock_irqsave(&chip->lock, flags);
252 	outb(chip->password, chip->mc_base + chip->pwd_reg);
253 
254 	switch (chip->hardware) {
255 #ifndef OPTi93X
256 	case OPTi9XX_HW_82C924:
257 	case OPTi9XX_HW_82C925:
258 		if (reg > 7) {
259 			outb(reg, chip->mc_base + 8);
260 			outb(chip->password, chip->mc_base + chip->pwd_reg);
261 			retval = inb(chip->mc_base + 9);
262 			break;
263 		}
264 		/* Fall through */
265 
266 	case OPTi9XX_HW_82C928:
267 	case OPTi9XX_HW_82C929:
268 		retval = inb(chip->mc_base + reg);
269 		break;
270 #else	/* OPTi93X */
271 
272 	case OPTi9XX_HW_82C930:
273 	case OPTi9XX_HW_82C931:
274 	case OPTi9XX_HW_82C933:
275 		outb(reg, chip->mc_indir_index);
276 		outb(chip->password, chip->mc_base + chip->pwd_reg);
277 		retval = inb(chip->mc_indir_index + 1);
278 		break;
279 #endif	/* OPTi93X */
280 
281 	default:
282 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
283 	}
284 
285 	spin_unlock_irqrestore(&chip->lock, flags);
286 	return retval;
287 }
288 
289 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
290 			      unsigned char value)
291 {
292 	unsigned long flags;
293 
294 	spin_lock_irqsave(&chip->lock, flags);
295 	outb(chip->password, chip->mc_base + chip->pwd_reg);
296 
297 	switch (chip->hardware) {
298 #ifndef OPTi93X
299 	case OPTi9XX_HW_82C924:
300 	case OPTi9XX_HW_82C925:
301 		if (reg > 7) {
302 			outb(reg, chip->mc_base + 8);
303 			outb(chip->password, chip->mc_base + chip->pwd_reg);
304 			outb(value, chip->mc_base + 9);
305 			break;
306 		}
307 		/* Fall through */
308 
309 	case OPTi9XX_HW_82C928:
310 	case OPTi9XX_HW_82C929:
311 		outb(value, chip->mc_base + reg);
312 		break;
313 #else	/* OPTi93X */
314 
315 	case OPTi9XX_HW_82C930:
316 	case OPTi9XX_HW_82C931:
317 	case OPTi9XX_HW_82C933:
318 		outb(reg, chip->mc_indir_index);
319 		outb(chip->password, chip->mc_base + chip->pwd_reg);
320 		outb(value, chip->mc_indir_index + 1);
321 		break;
322 #endif	/* OPTi93X */
323 
324 	default:
325 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
326 	}
327 
328 	spin_unlock_irqrestore(&chip->lock, flags);
329 }
330 
331 
332 #define snd_opti9xx_write_mask(chip, reg, value, mask)	\
333 	snd_opti9xx_write(chip, reg,			\
334 		(snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
335 
336 
337 static int snd_opti9xx_configure(struct snd_opti9xx *chip,
338 					   long port,
339 					   int irq, int dma1, int dma2,
340 					   long mpu_port, int mpu_irq)
341 {
342 	unsigned char wss_base_bits;
343 	unsigned char irq_bits;
344 	unsigned char dma_bits;
345 	unsigned char mpu_port_bits = 0;
346 	unsigned char mpu_irq_bits;
347 
348 	switch (chip->hardware) {
349 #ifndef OPTi93X
350 	case OPTi9XX_HW_82C924:
351 		/* opti 929 mode (?), OPL3 clock output, audio enable */
352 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
353 		/* enable wave audio */
354 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
355 		/* Fall through */
356 
357 	case OPTi9XX_HW_82C925:
358 		/* enable WSS mode */
359 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
360 		/* OPL3 FM synthesis */
361 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
362 		/* disable Sound Blaster IRQ and DMA */
363 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
364 #ifdef CS4231
365 		/* cs4231/4248 fix enabled */
366 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
367 #else
368 		/* cs4231/4248 fix disabled */
369 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
370 #endif	/* CS4231 */
371 		break;
372 
373 	case OPTi9XX_HW_82C928:
374 	case OPTi9XX_HW_82C929:
375 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
376 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
377 		/*
378 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
379 		*/
380 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
381 #ifdef CS4231
382 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
383 #else
384 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
385 #endif	/* CS4231 */
386 		break;
387 
388 #else	/* OPTi93X */
389 	case OPTi9XX_HW_82C931:
390 		/* disable 3D sound (set GPIO1 as output, low) */
391 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
392 		/* fall through */
393 	case OPTi9XX_HW_82C933:
394 		/*
395 		 * The BTC 1817DW has QS1000 wavetable which is connected
396 		 * to the serial digital input of the OPTI931.
397 		 */
398 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
399 		/*
400 		 * This bit sets OPTI931 to automaticaly select FM
401 		 * or digital input signal.
402 		 */
403 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
404 		/* fall through */
405 	case OPTi9XX_HW_82C930:
406 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
407 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
408 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
409 			(chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
410 			0x34);
411 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
412 		break;
413 #endif	/* OPTi93X */
414 
415 	default:
416 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
417 		return -EINVAL;
418 	}
419 
420 	/* PnP resource says it decodes only 10 bits of address */
421 	switch (port & 0x3ff) {
422 	case 0x130:
423 		chip->wss_base = 0x530;
424 		wss_base_bits = 0x00;
425 		break;
426 	case 0x204:
427 		chip->wss_base = 0x604;
428 		wss_base_bits = 0x03;
429 		break;
430 	case 0x280:
431 		chip->wss_base = 0xe80;
432 		wss_base_bits = 0x01;
433 		break;
434 	case 0x340:
435 		chip->wss_base = 0xf40;
436 		wss_base_bits = 0x02;
437 		break;
438 	default:
439 		snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
440 		goto __skip_base;
441 	}
442 	snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
443 
444 __skip_base:
445 	switch (irq) {
446 //#ifdef OPTi93X
447 	case 5:
448 		irq_bits = 0x05;
449 		break;
450 //#endif	/* OPTi93X */
451 	case 7:
452 		irq_bits = 0x01;
453 		break;
454 	case 9:
455 		irq_bits = 0x02;
456 		break;
457 	case 10:
458 		irq_bits = 0x03;
459 		break;
460 	case 11:
461 		irq_bits = 0x04;
462 		break;
463 	default:
464 		snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
465 		goto __skip_resources;
466 	}
467 
468 	switch (dma1) {
469 	case 0:
470 		dma_bits = 0x01;
471 		break;
472 	case 1:
473 		dma_bits = 0x02;
474 		break;
475 	case 3:
476 		dma_bits = 0x03;
477 		break;
478 	default:
479 		snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
480 		goto __skip_resources;
481 	}
482 
483 #if defined(CS4231) || defined(OPTi93X)
484 	if (dma1 == dma2) {
485 		snd_printk(KERN_ERR "don't want to share dmas\n");
486 		return -EBUSY;
487 	}
488 
489 	switch (dma2) {
490 	case 0:
491 	case 1:
492 		break;
493 	default:
494 		snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
495 		goto __skip_resources;
496 	}
497 	dma_bits |= 0x04;
498 #endif	/* CS4231 || OPTi93X */
499 
500 #ifndef OPTi93X
501 	 outb(irq_bits << 3 | dma_bits, chip->wss_base);
502 #else /* OPTi93X */
503 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
504 #endif /* OPTi93X */
505 
506 __skip_resources:
507 	if (chip->hardware > OPTi9XX_HW_82C928) {
508 		switch (mpu_port) {
509 		case 0:
510 		case -1:
511 			break;
512 		case 0x300:
513 			mpu_port_bits = 0x03;
514 			break;
515 		case 0x310:
516 			mpu_port_bits = 0x02;
517 			break;
518 		case 0x320:
519 			mpu_port_bits = 0x01;
520 			break;
521 		case 0x330:
522 			mpu_port_bits = 0x00;
523 			break;
524 		default:
525 			snd_printk(KERN_WARNING
526 				   "MPU-401 port 0x%lx not valid\n", mpu_port);
527 			goto __skip_mpu;
528 		}
529 
530 		switch (mpu_irq) {
531 		case 5:
532 			mpu_irq_bits = 0x02;
533 			break;
534 		case 7:
535 			mpu_irq_bits = 0x03;
536 			break;
537 		case 9:
538 			mpu_irq_bits = 0x00;
539 			break;
540 		case 10:
541 			mpu_irq_bits = 0x01;
542 			break;
543 		default:
544 			snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
545 				mpu_irq);
546 			goto __skip_mpu;
547 		}
548 
549 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
550 			(mpu_port <= 0) ? 0x00 :
551 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
552 			0xf8);
553 	}
554 __skip_mpu:
555 
556 	return 0;
557 }
558 
559 #ifdef OPTi93X
560 
561 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
562 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
563 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
564 
565 static struct snd_kcontrol_new snd_opti93x_controls[] = {
566 WSS_DOUBLE("Master Playback Switch", 0,
567 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
568 WSS_DOUBLE_TLV("Master Playback Volume", 0,
569 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
570 		db_scale_5bit_3db_step),
571 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
572 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
573 		db_scale_5bit),
574 WSS_DOUBLE_TLV("FM Playback Volume", 0,
575 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
576 		db_scale_4bit_12db_max),
577 WSS_DOUBLE("Line Playback Switch", 0,
578 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
579 WSS_DOUBLE_TLV("Line Playback Volume", 0,
580 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
581 		db_scale_4bit_12db_max),
582 WSS_DOUBLE("Mic Playback Switch", 0,
583 		OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
584 WSS_DOUBLE_TLV("Mic Playback Volume", 0,
585 		OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
586 		db_scale_4bit_12db_max),
587 WSS_DOUBLE_TLV("CD Playback Volume", 0,
588 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
589 		db_scale_4bit_12db_max),
590 WSS_DOUBLE("Aux Playback Switch", 0,
591 		OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
592 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
593 		OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
594 		db_scale_4bit_12db_max),
595 };
596 
597 static int snd_opti93x_mixer(struct snd_wss *chip)
598 {
599 	struct snd_card *card;
600 	unsigned int idx;
601 	struct snd_ctl_elem_id id1, id2;
602 	int err;
603 
604 	if (snd_BUG_ON(!chip || !chip->pcm))
605 		return -EINVAL;
606 
607 	card = chip->card;
608 
609 	strcpy(card->mixername, chip->pcm->name);
610 
611 	memset(&id1, 0, sizeof(id1));
612 	memset(&id2, 0, sizeof(id2));
613 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
614 	/* reassign AUX0 switch to CD */
615 	strcpy(id1.name, "Aux Playback Switch");
616 	strcpy(id2.name, "CD Playback Switch");
617 	err = snd_ctl_rename_id(card, &id1, &id2);
618 	if (err < 0) {
619 		snd_printk(KERN_ERR "Cannot rename opti93x control\n");
620 		return err;
621 	}
622 	/* reassign AUX1 switch to FM */
623 	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
624 	strcpy(id2.name, "FM Playback Switch");
625 	err = snd_ctl_rename_id(card, &id1, &id2);
626 	if (err < 0) {
627 		snd_printk(KERN_ERR "Cannot rename opti93x control\n");
628 		return err;
629 	}
630 	/* remove AUX1 volume */
631 	strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
632 	snd_ctl_remove_id(card, &id1);
633 
634 	/* Replace WSS volume controls with OPTi93x volume controls */
635 	id1.index = 0;
636 	for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
637 		strcpy(id1.name, snd_opti93x_controls[idx].name);
638 		snd_ctl_remove_id(card, &id1);
639 
640 		err = snd_ctl_add(card,
641 				snd_ctl_new1(&snd_opti93x_controls[idx], chip));
642 		if (err < 0)
643 			return err;
644 	}
645 	return 0;
646 }
647 
648 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
649 {
650 	struct snd_opti9xx *chip = dev_id;
651 	struct snd_wss *codec = chip->codec;
652 	unsigned char status;
653 
654 	if (!codec)
655 		return IRQ_HANDLED;
656 
657 	status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
658 	if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
659 		snd_pcm_period_elapsed(codec->playback_substream);
660 	if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
661 		snd_wss_overrange(codec);
662 		snd_pcm_period_elapsed(codec->capture_substream);
663 	}
664 	outb(0x00, OPTi93X_PORT(codec, STATUS));
665 	return IRQ_HANDLED;
666 }
667 
668 #endif /* OPTi93X */
669 
670 static int snd_opti9xx_read_check(struct snd_opti9xx *chip)
671 {
672 	unsigned char value;
673 #ifdef OPTi93X
674 	unsigned long flags;
675 #endif
676 
677 	chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
678 					   "OPTi9xx MC");
679 	if (chip->res_mc_base == NULL)
680 		return -EBUSY;
681 #ifndef OPTi93X
682 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
683 	if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
684 		if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
685 			return 0;
686 #else	/* OPTi93X */
687 	chip->res_mc_indir = request_region(chip->mc_indir_index, 2,
688 					    "OPTi93x MC");
689 	if (chip->res_mc_indir == NULL)
690 		return -EBUSY;
691 
692 	spin_lock_irqsave(&chip->lock, flags);
693 	outb(chip->password, chip->mc_base + chip->pwd_reg);
694 	outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
695 	spin_unlock_irqrestore(&chip->lock, flags);
696 
697 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
698 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
699 	if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
700 		return 0;
701 
702 	release_and_free_resource(chip->res_mc_indir);
703 	chip->res_mc_indir = NULL;
704 #endif	/* OPTi93X */
705 	release_and_free_resource(chip->res_mc_base);
706 	chip->res_mc_base = NULL;
707 
708 	return -ENODEV;
709 }
710 
711 static int snd_card_opti9xx_detect(struct snd_card *card,
712 				   struct snd_opti9xx *chip)
713 {
714 	int i, err;
715 
716 #ifndef OPTi93X
717 	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
718 #else
719 	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
720 #endif
721 		err = snd_opti9xx_init(chip, i);
722 		if (err < 0)
723 			return err;
724 
725 		err = snd_opti9xx_read_check(chip);
726 		if (err == 0)
727 			return 1;
728 #ifdef OPTi93X
729 		chip->mc_indir_index = 0;
730 #endif
731 	}
732 	return -ENODEV;
733 }
734 
735 #ifdef CONFIG_PNP
736 static int snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
737 				struct pnp_card_link *card,
738 				const struct pnp_card_device_id *pid)
739 {
740 	struct pnp_dev *pdev;
741 	int err;
742 	struct pnp_dev *devmpu;
743 #ifndef OPTi93X
744 	struct pnp_dev *devmc;
745 #endif
746 
747 	pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
748 	if (pdev == NULL)
749 		return -EBUSY;
750 
751 	err = pnp_activate_dev(pdev);
752 	if (err < 0) {
753 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
754 		return err;
755 	}
756 
757 #ifdef OPTi93X
758 	port = pnp_port_start(pdev, 0) - 4;
759 	fm_port = pnp_port_start(pdev, 1) + 8;
760 	/* adjust mc_indir_index - some cards report it at 0xe?d,
761 	   other at 0xe?c but it really is always at 0xe?e */
762 	chip->mc_indir_index = (pnp_port_start(pdev, 3) & ~0xf) | 0xe;
763 #else
764 	devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
765 	if (devmc == NULL)
766 		return -EBUSY;
767 
768 	err = pnp_activate_dev(devmc);
769 	if (err < 0) {
770 		snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
771 		return err;
772 	}
773 
774 	port = pnp_port_start(pdev, 1);
775 	fm_port = pnp_port_start(pdev, 2) + 8;
776 	/*
777 	 * The MC(0) is never accessed and card does not
778 	 * include it in the PnP resource range. OPTI93x include it.
779 	 */
780 	chip->mc_base = pnp_port_start(devmc, 0) - 1;
781 	chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
782 #endif	/* OPTi93X */
783 	irq = pnp_irq(pdev, 0);
784 	dma1 = pnp_dma(pdev, 0);
785 #if defined(CS4231) || defined(OPTi93X)
786 	dma2 = pnp_dma(pdev, 1);
787 #endif	/* CS4231 || OPTi93X */
788 
789 	devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
790 
791 	if (devmpu && mpu_port > 0) {
792 		err = pnp_activate_dev(devmpu);
793 		if (err < 0) {
794 			snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
795 			mpu_port = -1;
796 		} else {
797 			mpu_port = pnp_port_start(devmpu, 0);
798 			mpu_irq = pnp_irq(devmpu, 0);
799 		}
800 	}
801 	return pid->driver_data;
802 }
803 #endif	/* CONFIG_PNP */
804 
805 static void snd_card_opti9xx_free(struct snd_card *card)
806 {
807 	struct snd_opti9xx *chip = card->private_data;
808 
809 	if (chip) {
810 #ifdef OPTi93X
811 		if (chip->irq > 0) {
812 			disable_irq(chip->irq);
813 			free_irq(chip->irq, chip);
814 		}
815 		release_and_free_resource(chip->res_mc_indir);
816 #endif
817 		release_and_free_resource(chip->res_mc_base);
818 	}
819 }
820 
821 static int snd_opti9xx_probe(struct snd_card *card)
822 {
823 	static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
824 	int error;
825 	int xdma2;
826 	struct snd_opti9xx *chip = card->private_data;
827 	struct snd_wss *codec;
828 	struct snd_rawmidi *rmidi;
829 	struct snd_hwdep *synth;
830 
831 #if defined(CS4231) || defined(OPTi93X)
832 	xdma2 = dma2;
833 #else
834 	xdma2 = -1;
835 #endif
836 
837 	if (port == SNDRV_AUTO_PORT) {
838 		port = snd_legacy_find_free_ioport(possible_ports, 4);
839 		if (port < 0) {
840 			snd_printk(KERN_ERR "unable to find a free WSS port\n");
841 			return -EBUSY;
842 		}
843 	}
844 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
845 				      mpu_port, mpu_irq);
846 	if (error)
847 		return error;
848 
849 	error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
850 #ifdef OPTi93X
851 			       WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
852 #else
853 			       WSS_HW_DETECT, 0,
854 #endif
855 			       &codec);
856 	if (error < 0)
857 		return error;
858 	chip->codec = codec;
859 	error = snd_wss_pcm(codec, 0);
860 	if (error < 0)
861 		return error;
862 	error = snd_wss_mixer(codec);
863 	if (error < 0)
864 		return error;
865 #ifdef OPTi93X
866 	error = snd_opti93x_mixer(codec);
867 	if (error < 0)
868 		return error;
869 #endif
870 #ifdef CS4231
871 	error = snd_wss_timer(codec, 0);
872 	if (error < 0)
873 		return error;
874 #endif
875 #ifdef OPTi93X
876 	error = request_irq(irq, snd_opti93x_interrupt,
877 			    0, DEV_NAME" - WSS", chip);
878 	if (error < 0) {
879 		snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
880 		return error;
881 	}
882 #endif
883 	chip->irq = irq;
884 	strcpy(card->driver, chip->name);
885 	sprintf(card->shortname, "OPTi %s", card->driver);
886 #if defined(CS4231) || defined(OPTi93X)
887 	snprintf(card->longname, sizeof(card->longname),
888 		 "%s, %s at 0x%lx, irq %d, dma %d&%d",
889 		 card->shortname, codec->pcm->name,
890 		 chip->wss_base + 4, irq, dma1, xdma2);
891 #else
892 	snprintf(card->longname, sizeof(card->longname),
893 		 "%s, %s at 0x%lx, irq %d, dma %d",
894 		 card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
895 		 dma1);
896 #endif	/* CS4231 || OPTi93X */
897 
898 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
899 		rmidi = NULL;
900 	else {
901 		error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
902 				mpu_port, 0, mpu_irq, &rmidi);
903 		if (error)
904 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
905 				   mpu_port);
906 	}
907 
908 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
909 		struct snd_opl3 *opl3 = NULL;
910 #ifndef OPTi93X
911 		if (chip->hardware == OPTi9XX_HW_82C928 ||
912 		    chip->hardware == OPTi9XX_HW_82C929 ||
913 		    chip->hardware == OPTi9XX_HW_82C924) {
914 			struct snd_opl4 *opl4;
915 			/* assume we have an OPL4 */
916 			snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
917 					       0x20, 0x20);
918 			if (snd_opl4_create(card, fm_port, fm_port - 8,
919 					    2, &opl3, &opl4) < 0) {
920 				/* no luck, use OPL3 instead */
921 				snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
922 						       0x00, 0x20);
923 			}
924 		}
925 #endif	/* !OPTi93X */
926 		if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
927 					     OPL3_HW_AUTO, 0, &opl3) < 0) {
928 			snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
929 				   fm_port, fm_port + 4 - 1);
930 		}
931 		if (opl3) {
932 			error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
933 			if (error < 0)
934 				return error;
935 		}
936 	}
937 
938 	return snd_card_register(card);
939 }
940 
941 static int snd_opti9xx_card_new(struct device *pdev, struct snd_card **cardp)
942 {
943 	struct snd_card *card;
944 	int err;
945 
946 	err = snd_card_new(pdev, index, id, THIS_MODULE,
947 			   sizeof(struct snd_opti9xx), &card);
948 	if (err < 0)
949 		return err;
950 	card->private_free = snd_card_opti9xx_free;
951 	*cardp = card;
952 	return 0;
953 }
954 
955 static int snd_opti9xx_isa_match(struct device *devptr,
956 				 unsigned int dev)
957 {
958 #ifdef CONFIG_PNP
959 	if (snd_opti9xx_pnp_is_probed)
960 		return 0;
961 	if (isapnp)
962 		return 0;
963 #endif
964 	return 1;
965 }
966 
967 static int snd_opti9xx_isa_probe(struct device *devptr,
968 				 unsigned int dev)
969 {
970 	struct snd_card *card;
971 	int error;
972 	static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
973 #ifdef OPTi93X
974 	static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
975 #else
976 	static int possible_irqs[] = {9, 10, 11, 7, -1};
977 #endif	/* OPTi93X */
978 	static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
979 	static int possible_dma1s[] = {3, 1, 0, -1};
980 #if defined(CS4231) || defined(OPTi93X)
981 	static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
982 #endif	/* CS4231 || OPTi93X */
983 
984 	if (mpu_port == SNDRV_AUTO_PORT) {
985 		if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
986 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
987 			return -EBUSY;
988 		}
989 	}
990 	if (irq == SNDRV_AUTO_IRQ) {
991 		if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
992 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
993 			return -EBUSY;
994 		}
995 	}
996 	if (mpu_irq == SNDRV_AUTO_IRQ) {
997 		if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
998 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
999 			return -EBUSY;
1000 		}
1001 	}
1002 	if (dma1 == SNDRV_AUTO_DMA) {
1003 		if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1004 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
1005 			return -EBUSY;
1006 		}
1007 	}
1008 #if defined(CS4231) || defined(OPTi93X)
1009 	if (dma2 == SNDRV_AUTO_DMA) {
1010 		if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1011 			snd_printk(KERN_ERR "unable to find a free DMA2\n");
1012 			return -EBUSY;
1013 		}
1014 	}
1015 #endif
1016 
1017 	error = snd_opti9xx_card_new(devptr, &card);
1018 	if (error < 0)
1019 		return error;
1020 
1021 	if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1022 		snd_card_free(card);
1023 		return error;
1024 	}
1025 	if ((error = snd_opti9xx_probe(card)) < 0) {
1026 		snd_card_free(card);
1027 		return error;
1028 	}
1029 	dev_set_drvdata(devptr, card);
1030 	return 0;
1031 }
1032 
1033 static int snd_opti9xx_isa_remove(struct device *devptr,
1034 				  unsigned int dev)
1035 {
1036 	snd_card_free(dev_get_drvdata(devptr));
1037 	return 0;
1038 }
1039 
1040 #ifdef CONFIG_PM
1041 static int snd_opti9xx_suspend(struct snd_card *card)
1042 {
1043 	struct snd_opti9xx *chip = card->private_data;
1044 
1045 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1046 	chip->codec->suspend(chip->codec);
1047 	return 0;
1048 }
1049 
1050 static int snd_opti9xx_resume(struct snd_card *card)
1051 {
1052 	struct snd_opti9xx *chip = card->private_data;
1053 	int error, xdma2;
1054 #if defined(CS4231) || defined(OPTi93X)
1055 	xdma2 = dma2;
1056 #else
1057 	xdma2 = -1;
1058 #endif
1059 
1060 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
1061 				      mpu_port, mpu_irq);
1062 	if (error)
1063 		return error;
1064 	chip->codec->resume(chip->codec);
1065 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1066 	return 0;
1067 }
1068 
1069 static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n,
1070 				   pm_message_t state)
1071 {
1072 	return snd_opti9xx_suspend(dev_get_drvdata(dev));
1073 }
1074 
1075 static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n)
1076 {
1077 	return snd_opti9xx_resume(dev_get_drvdata(dev));
1078 }
1079 #endif
1080 
1081 static struct isa_driver snd_opti9xx_driver = {
1082 	.match		= snd_opti9xx_isa_match,
1083 	.probe		= snd_opti9xx_isa_probe,
1084 	.remove		= snd_opti9xx_isa_remove,
1085 #ifdef CONFIG_PM
1086 	.suspend	= snd_opti9xx_isa_suspend,
1087 	.resume		= snd_opti9xx_isa_resume,
1088 #endif
1089 	.driver		= {
1090 		.name	= DEV_NAME
1091 	},
1092 };
1093 
1094 #ifdef CONFIG_PNP
1095 static int snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1096 				 const struct pnp_card_device_id *pid)
1097 {
1098 	struct snd_card *card;
1099 	int error, hw;
1100 	struct snd_opti9xx *chip;
1101 
1102 	if (snd_opti9xx_pnp_is_probed)
1103 		return -EBUSY;
1104 	if (! isapnp)
1105 		return -ENODEV;
1106 	error = snd_opti9xx_card_new(&pcard->card->dev, &card);
1107 	if (error < 0)
1108 		return error;
1109 	chip = card->private_data;
1110 
1111 	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1112 	switch (hw) {
1113 	case 0x0924:
1114 		hw = OPTi9XX_HW_82C924;
1115 		break;
1116 	case 0x0925:
1117 		hw = OPTi9XX_HW_82C925;
1118 		break;
1119 	case 0x0931:
1120 		hw = OPTi9XX_HW_82C931;
1121 		break;
1122 	default:
1123 		snd_card_free(card);
1124 		return -ENODEV;
1125 	}
1126 
1127 	if ((error = snd_opti9xx_init(chip, hw))) {
1128 		snd_card_free(card);
1129 		return error;
1130 	}
1131 	error = snd_opti9xx_read_check(chip);
1132 	if (error) {
1133 		snd_printk(KERN_ERR "OPTI chip not found\n");
1134 		snd_card_free(card);
1135 		return error;
1136 	}
1137 	if ((error = snd_opti9xx_probe(card)) < 0) {
1138 		snd_card_free(card);
1139 		return error;
1140 	}
1141 	pnp_set_card_drvdata(pcard, card);
1142 	snd_opti9xx_pnp_is_probed = 1;
1143 	return 0;
1144 }
1145 
1146 static void snd_opti9xx_pnp_remove(struct pnp_card_link *pcard)
1147 {
1148 	snd_card_free(pnp_get_card_drvdata(pcard));
1149 	pnp_set_card_drvdata(pcard, NULL);
1150 	snd_opti9xx_pnp_is_probed = 0;
1151 }
1152 
1153 #ifdef CONFIG_PM
1154 static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard,
1155 				   pm_message_t state)
1156 {
1157 	return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard));
1158 }
1159 
1160 static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
1161 {
1162 	return snd_opti9xx_resume(pnp_get_card_drvdata(pcard));
1163 }
1164 #endif
1165 
1166 static struct pnp_card_driver opti9xx_pnpc_driver = {
1167 	.flags		= PNP_DRIVER_RES_DISABLE,
1168 	.name		= DEV_NAME,
1169 	.id_table	= snd_opti9xx_pnpids,
1170 	.probe		= snd_opti9xx_pnp_probe,
1171 	.remove		= snd_opti9xx_pnp_remove,
1172 #ifdef CONFIG_PM
1173 	.suspend	= snd_opti9xx_pnp_suspend,
1174 	.resume		= snd_opti9xx_pnp_resume,
1175 #endif
1176 };
1177 #endif
1178 
1179 #ifdef OPTi93X
1180 #define CHIP_NAME	"82C93x"
1181 #else
1182 #define CHIP_NAME	"82C92x"
1183 #endif
1184 
1185 static int __init alsa_card_opti9xx_init(void)
1186 {
1187 #ifdef CONFIG_PNP
1188 	pnp_register_card_driver(&opti9xx_pnpc_driver);
1189 	if (snd_opti9xx_pnp_is_probed)
1190 		return 0;
1191 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1192 #endif
1193 	return isa_register_driver(&snd_opti9xx_driver, 1);
1194 }
1195 
1196 static void __exit alsa_card_opti9xx_exit(void)
1197 {
1198 	if (!snd_opti9xx_pnp_is_probed) {
1199 		isa_unregister_driver(&snd_opti9xx_driver);
1200 		return;
1201 	}
1202 #ifdef CONFIG_PNP
1203 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1204 #endif
1205 }
1206 
1207 module_init(alsa_card_opti9xx_init)
1208 module_exit(alsa_card_opti9xx_exit)
1209