1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
4     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
5 
6     Part of this code was developed at the Italian Ministry of Air Defence,
7     Sixth Division (oh, che pace ...), Rome.
8 
9     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
10 
11 */
12 
13 
14 #include <linux/init.h>
15 #include <linux/err.h>
16 #include <linux/isa.h>
17 #include <linux/delay.h>
18 #include <linux/pnp.h>
19 #include <linux/module.h>
20 #include <linux/io.h>
21 #include <asm/dma.h>
22 #include <sound/core.h>
23 #include <sound/tlv.h>
24 #include <sound/wss.h>
25 #include <sound/mpu401.h>
26 #include <sound/opl3.h>
27 #ifndef OPTi93X
28 #include <sound/opl4.h>
29 #endif
30 #define SNDRV_LEGACY_FIND_FREE_IOPORT
31 #define SNDRV_LEGACY_FIND_FREE_IRQ
32 #define SNDRV_LEGACY_FIND_FREE_DMA
33 #include <sound/initval.h>
34 
35 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
36 MODULE_LICENSE("GPL");
37 #ifdef OPTi93X
38 MODULE_DESCRIPTION("OPTi93X");
39 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
40 #else	/* OPTi93X */
41 #ifdef CS4231
42 MODULE_DESCRIPTION("OPTi92X - CS4231");
43 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
44 		"{OPTi,82C925 (CS4231)}}");
45 #else	/* CS4231 */
46 MODULE_DESCRIPTION("OPTi92X - AD1848");
47 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
48 		"{OPTi,82C925 (AD1848)},"
49 	        "{OAK,Mozart}}");
50 #endif	/* CS4231 */
51 #endif	/* OPTi93X */
52 
53 static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
54 static char *id = SNDRV_DEFAULT_STR1;		/* ID for this card */
55 //static bool enable = SNDRV_DEFAULT_ENABLE1;	/* Enable this card */
56 #ifdef CONFIG_PNP
57 static bool isapnp = true;			/* Enable ISA PnP detection */
58 #endif
59 static long port = SNDRV_DEFAULT_PORT1; 	/* 0x530,0xe80,0xf40,0x604 */
60 static long mpu_port = SNDRV_DEFAULT_PORT1;	/* 0x300,0x310,0x320,0x330 */
61 static long fm_port = SNDRV_DEFAULT_PORT1;	/* 0x388 */
62 static int irq = SNDRV_DEFAULT_IRQ1;		/* 5,7,9,10,11 */
63 static int mpu_irq = SNDRV_DEFAULT_IRQ1;	/* 5,7,9,10 */
64 static int dma1 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
65 #if defined(CS4231) || defined(OPTi93X)
66 static int dma2 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
67 #endif	/* CS4231 || OPTi93X */
68 
69 module_param(index, int, 0444);
70 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
71 module_param(id, charp, 0444);
72 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
73 //module_param(enable, bool, 0444);
74 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
75 #ifdef CONFIG_PNP
76 module_param(isapnp, bool, 0444);
77 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
78 #endif
79 module_param_hw(port, long, ioport, 0444);
80 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
81 module_param_hw(mpu_port, long, ioport, 0444);
82 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
83 module_param_hw(fm_port, long, ioport, 0444);
84 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
85 module_param_hw(irq, int, irq, 0444);
86 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
87 module_param_hw(mpu_irq, int, irq, 0444);
88 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
89 module_param_hw(dma1, int, dma, 0444);
90 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
91 #if defined(CS4231) || defined(OPTi93X)
92 module_param_hw(dma2, int, dma, 0444);
93 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
94 #endif	/* CS4231 || OPTi93X */
95 
96 #define OPTi9XX_HW_82C928	1
97 #define OPTi9XX_HW_82C929	2
98 #define OPTi9XX_HW_82C924	3
99 #define OPTi9XX_HW_82C925	4
100 #define OPTi9XX_HW_82C930	5
101 #define OPTi9XX_HW_82C931	6
102 #define OPTi9XX_HW_82C933	7
103 #define OPTi9XX_HW_LAST		OPTi9XX_HW_82C933
104 
105 #define OPTi9XX_MC_REG(n)	n
106 
107 #ifdef OPTi93X
108 
109 #define OPTi93X_STATUS			0x02
110 #define OPTi93X_PORT(chip, r)		((chip)->port + OPTi93X_##r)
111 
112 #define OPTi93X_IRQ_PLAYBACK		0x04
113 #define OPTi93X_IRQ_CAPTURE		0x08
114 
115 #endif /* OPTi93X */
116 
117 struct snd_opti9xx {
118 	unsigned short hardware;
119 	unsigned char password;
120 	char name[7];
121 
122 	unsigned long mc_base;
123 	struct resource *res_mc_base;
124 	unsigned long mc_base_size;
125 #ifdef OPTi93X
126 	unsigned long mc_indir_index;
127 	struct resource *res_mc_indir;
128 #endif	/* OPTi93X */
129 	struct snd_wss *codec;
130 	unsigned long pwd_reg;
131 
132 	spinlock_t lock;
133 
134 	long wss_base;
135 	int irq;
136 };
137 
138 static int snd_opti9xx_pnp_is_probed;
139 
140 #ifdef CONFIG_PNP
141 
142 static const struct pnp_card_device_id snd_opti9xx_pnpids[] = {
143 #ifndef OPTi93X
144 	/* OPTi 82C924 */
145 	{ .id = "OPT0924",
146 	  .devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
147 	  .driver_data = 0x0924 },
148 	/* OPTi 82C925 */
149 	{ .id = "OPT0925",
150 	  .devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
151 	  .driver_data = 0x0925 },
152 #else
153 	/* OPTi 82C931/3 */
154 	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
155 	  .driver_data = 0x0931 },
156 #endif	/* OPTi93X */
157 	{ .id = "" }
158 };
159 
160 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
161 
162 #endif	/* CONFIG_PNP */
163 
164 #define DEV_NAME KBUILD_MODNAME
165 
166 static const char * const snd_opti9xx_names[] = {
167 	"unknown",
168 	"82C928",	"82C929",
169 	"82C924",	"82C925",
170 	"82C930",	"82C931",	"82C933"
171 };
172 
173 static int snd_opti9xx_init(struct snd_opti9xx *chip,
174 			    unsigned short hardware)
175 {
176 	static const int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
177 
178 	chip->hardware = hardware;
179 	strcpy(chip->name, snd_opti9xx_names[hardware]);
180 
181 	spin_lock_init(&chip->lock);
182 
183 	chip->irq = -1;
184 
185 #ifndef OPTi93X
186 #ifdef CONFIG_PNP
187 	if (isapnp && chip->mc_base)
188 		/* PnP resource gives the least 10 bits */
189 		chip->mc_base |= 0xc00;
190 	else
191 #endif	/* CONFIG_PNP */
192 	{
193 		chip->mc_base = 0xf8c;
194 		chip->mc_base_size = opti9xx_mc_size[hardware];
195 	}
196 #else
197 		chip->mc_base_size = opti9xx_mc_size[hardware];
198 #endif
199 
200 	switch (hardware) {
201 #ifndef OPTi93X
202 	case OPTi9XX_HW_82C928:
203 	case OPTi9XX_HW_82C929:
204 		chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
205 		chip->pwd_reg = 3;
206 		break;
207 
208 	case OPTi9XX_HW_82C924:
209 	case OPTi9XX_HW_82C925:
210 		chip->password = 0xe5;
211 		chip->pwd_reg = 3;
212 		break;
213 #else	/* OPTi93X */
214 
215 	case OPTi9XX_HW_82C930:
216 	case OPTi9XX_HW_82C931:
217 	case OPTi9XX_HW_82C933:
218 		chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
219 		if (!chip->mc_indir_index)
220 			chip->mc_indir_index = 0xe0e;
221 		chip->password = 0xe4;
222 		chip->pwd_reg = 0;
223 		break;
224 #endif	/* OPTi93X */
225 
226 	default:
227 		snd_printk(KERN_ERR "chip %d not supported\n", hardware);
228 		return -ENODEV;
229 	}
230 	return 0;
231 }
232 
233 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
234 				      unsigned char reg)
235 {
236 	unsigned long flags;
237 	unsigned char retval = 0xff;
238 
239 	spin_lock_irqsave(&chip->lock, flags);
240 	outb(chip->password, chip->mc_base + chip->pwd_reg);
241 
242 	switch (chip->hardware) {
243 #ifndef OPTi93X
244 	case OPTi9XX_HW_82C924:
245 	case OPTi9XX_HW_82C925:
246 		if (reg > 7) {
247 			outb(reg, chip->mc_base + 8);
248 			outb(chip->password, chip->mc_base + chip->pwd_reg);
249 			retval = inb(chip->mc_base + 9);
250 			break;
251 		}
252 		/* Fall through */
253 
254 	case OPTi9XX_HW_82C928:
255 	case OPTi9XX_HW_82C929:
256 		retval = inb(chip->mc_base + reg);
257 		break;
258 #else	/* OPTi93X */
259 
260 	case OPTi9XX_HW_82C930:
261 	case OPTi9XX_HW_82C931:
262 	case OPTi9XX_HW_82C933:
263 		outb(reg, chip->mc_indir_index);
264 		outb(chip->password, chip->mc_base + chip->pwd_reg);
265 		retval = inb(chip->mc_indir_index + 1);
266 		break;
267 #endif	/* OPTi93X */
268 
269 	default:
270 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
271 	}
272 
273 	spin_unlock_irqrestore(&chip->lock, flags);
274 	return retval;
275 }
276 
277 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
278 			      unsigned char value)
279 {
280 	unsigned long flags;
281 
282 	spin_lock_irqsave(&chip->lock, flags);
283 	outb(chip->password, chip->mc_base + chip->pwd_reg);
284 
285 	switch (chip->hardware) {
286 #ifndef OPTi93X
287 	case OPTi9XX_HW_82C924:
288 	case OPTi9XX_HW_82C925:
289 		if (reg > 7) {
290 			outb(reg, chip->mc_base + 8);
291 			outb(chip->password, chip->mc_base + chip->pwd_reg);
292 			outb(value, chip->mc_base + 9);
293 			break;
294 		}
295 		/* Fall through */
296 
297 	case OPTi9XX_HW_82C928:
298 	case OPTi9XX_HW_82C929:
299 		outb(value, chip->mc_base + reg);
300 		break;
301 #else	/* OPTi93X */
302 
303 	case OPTi9XX_HW_82C930:
304 	case OPTi9XX_HW_82C931:
305 	case OPTi9XX_HW_82C933:
306 		outb(reg, chip->mc_indir_index);
307 		outb(chip->password, chip->mc_base + chip->pwd_reg);
308 		outb(value, chip->mc_indir_index + 1);
309 		break;
310 #endif	/* OPTi93X */
311 
312 	default:
313 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
314 	}
315 
316 	spin_unlock_irqrestore(&chip->lock, flags);
317 }
318 
319 
320 #define snd_opti9xx_write_mask(chip, reg, value, mask)	\
321 	snd_opti9xx_write(chip, reg,			\
322 		(snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
323 
324 
325 static int snd_opti9xx_configure(struct snd_opti9xx *chip,
326 					   long port,
327 					   int irq, int dma1, int dma2,
328 					   long mpu_port, int mpu_irq)
329 {
330 	unsigned char wss_base_bits;
331 	unsigned char irq_bits;
332 	unsigned char dma_bits;
333 	unsigned char mpu_port_bits = 0;
334 	unsigned char mpu_irq_bits;
335 
336 	switch (chip->hardware) {
337 #ifndef OPTi93X
338 	case OPTi9XX_HW_82C924:
339 		/* opti 929 mode (?), OPL3 clock output, audio enable */
340 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
341 		/* enable wave audio */
342 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
343 		/* Fall through */
344 
345 	case OPTi9XX_HW_82C925:
346 		/* enable WSS mode */
347 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
348 		/* OPL3 FM synthesis */
349 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
350 		/* disable Sound Blaster IRQ and DMA */
351 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
352 #ifdef CS4231
353 		/* cs4231/4248 fix enabled */
354 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
355 #else
356 		/* cs4231/4248 fix disabled */
357 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
358 #endif	/* CS4231 */
359 		break;
360 
361 	case OPTi9XX_HW_82C928:
362 	case OPTi9XX_HW_82C929:
363 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
364 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
365 		/*
366 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
367 		*/
368 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
369 #ifdef CS4231
370 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
371 #else
372 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
373 #endif	/* CS4231 */
374 		break;
375 
376 #else	/* OPTi93X */
377 	case OPTi9XX_HW_82C931:
378 		/* disable 3D sound (set GPIO1 as output, low) */
379 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
380 		/* fall through */
381 	case OPTi9XX_HW_82C933:
382 		/*
383 		 * The BTC 1817DW has QS1000 wavetable which is connected
384 		 * to the serial digital input of the OPTI931.
385 		 */
386 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
387 		/*
388 		 * This bit sets OPTI931 to automaticaly select FM
389 		 * or digital input signal.
390 		 */
391 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
392 		/* fall through */
393 	case OPTi9XX_HW_82C930:
394 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
395 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
396 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
397 			(chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
398 			0x34);
399 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
400 		break;
401 #endif	/* OPTi93X */
402 
403 	default:
404 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
405 		return -EINVAL;
406 	}
407 
408 	/* PnP resource says it decodes only 10 bits of address */
409 	switch (port & 0x3ff) {
410 	case 0x130:
411 		chip->wss_base = 0x530;
412 		wss_base_bits = 0x00;
413 		break;
414 	case 0x204:
415 		chip->wss_base = 0x604;
416 		wss_base_bits = 0x03;
417 		break;
418 	case 0x280:
419 		chip->wss_base = 0xe80;
420 		wss_base_bits = 0x01;
421 		break;
422 	case 0x340:
423 		chip->wss_base = 0xf40;
424 		wss_base_bits = 0x02;
425 		break;
426 	default:
427 		snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
428 		goto __skip_base;
429 	}
430 	snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
431 
432 __skip_base:
433 	switch (irq) {
434 //#ifdef OPTi93X
435 	case 5:
436 		irq_bits = 0x05;
437 		break;
438 //#endif	/* OPTi93X */
439 	case 7:
440 		irq_bits = 0x01;
441 		break;
442 	case 9:
443 		irq_bits = 0x02;
444 		break;
445 	case 10:
446 		irq_bits = 0x03;
447 		break;
448 	case 11:
449 		irq_bits = 0x04;
450 		break;
451 	default:
452 		snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
453 		goto __skip_resources;
454 	}
455 
456 	switch (dma1) {
457 	case 0:
458 		dma_bits = 0x01;
459 		break;
460 	case 1:
461 		dma_bits = 0x02;
462 		break;
463 	case 3:
464 		dma_bits = 0x03;
465 		break;
466 	default:
467 		snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
468 		goto __skip_resources;
469 	}
470 
471 #if defined(CS4231) || defined(OPTi93X)
472 	if (dma1 == dma2) {
473 		snd_printk(KERN_ERR "don't want to share dmas\n");
474 		return -EBUSY;
475 	}
476 
477 	switch (dma2) {
478 	case 0:
479 	case 1:
480 		break;
481 	default:
482 		snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
483 		goto __skip_resources;
484 	}
485 	dma_bits |= 0x04;
486 #endif	/* CS4231 || OPTi93X */
487 
488 #ifndef OPTi93X
489 	 outb(irq_bits << 3 | dma_bits, chip->wss_base);
490 #else /* OPTi93X */
491 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
492 #endif /* OPTi93X */
493 
494 __skip_resources:
495 	if (chip->hardware > OPTi9XX_HW_82C928) {
496 		switch (mpu_port) {
497 		case 0:
498 		case -1:
499 			break;
500 		case 0x300:
501 			mpu_port_bits = 0x03;
502 			break;
503 		case 0x310:
504 			mpu_port_bits = 0x02;
505 			break;
506 		case 0x320:
507 			mpu_port_bits = 0x01;
508 			break;
509 		case 0x330:
510 			mpu_port_bits = 0x00;
511 			break;
512 		default:
513 			snd_printk(KERN_WARNING
514 				   "MPU-401 port 0x%lx not valid\n", mpu_port);
515 			goto __skip_mpu;
516 		}
517 
518 		switch (mpu_irq) {
519 		case 5:
520 			mpu_irq_bits = 0x02;
521 			break;
522 		case 7:
523 			mpu_irq_bits = 0x03;
524 			break;
525 		case 9:
526 			mpu_irq_bits = 0x00;
527 			break;
528 		case 10:
529 			mpu_irq_bits = 0x01;
530 			break;
531 		default:
532 			snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
533 				mpu_irq);
534 			goto __skip_mpu;
535 		}
536 
537 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
538 			(mpu_port <= 0) ? 0x00 :
539 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
540 			0xf8);
541 	}
542 __skip_mpu:
543 
544 	return 0;
545 }
546 
547 #ifdef OPTi93X
548 
549 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
550 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
551 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
552 
553 static const struct snd_kcontrol_new snd_opti93x_controls[] = {
554 WSS_DOUBLE("Master Playback Switch", 0,
555 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
556 WSS_DOUBLE_TLV("Master Playback Volume", 0,
557 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
558 		db_scale_5bit_3db_step),
559 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
560 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
561 		db_scale_5bit),
562 WSS_DOUBLE_TLV("FM Playback Volume", 0,
563 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
564 		db_scale_4bit_12db_max),
565 WSS_DOUBLE("Line Playback Switch", 0,
566 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
567 WSS_DOUBLE_TLV("Line Playback Volume", 0,
568 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
569 		db_scale_4bit_12db_max),
570 WSS_DOUBLE("Mic Playback Switch", 0,
571 		OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
572 WSS_DOUBLE_TLV("Mic Playback Volume", 0,
573 		OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
574 		db_scale_4bit_12db_max),
575 WSS_DOUBLE_TLV("CD Playback Volume", 0,
576 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
577 		db_scale_4bit_12db_max),
578 WSS_DOUBLE("Aux Playback Switch", 0,
579 		OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
580 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
581 		OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
582 		db_scale_4bit_12db_max),
583 };
584 
585 static int snd_opti93x_mixer(struct snd_wss *chip)
586 {
587 	struct snd_card *card;
588 	unsigned int idx;
589 	struct snd_ctl_elem_id id1, id2;
590 	int err;
591 
592 	if (snd_BUG_ON(!chip || !chip->pcm))
593 		return -EINVAL;
594 
595 	card = chip->card;
596 
597 	strcpy(card->mixername, chip->pcm->name);
598 
599 	memset(&id1, 0, sizeof(id1));
600 	memset(&id2, 0, sizeof(id2));
601 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
602 	/* reassign AUX0 switch to CD */
603 	strcpy(id1.name, "Aux Playback Switch");
604 	strcpy(id2.name, "CD Playback Switch");
605 	err = snd_ctl_rename_id(card, &id1, &id2);
606 	if (err < 0) {
607 		snd_printk(KERN_ERR "Cannot rename opti93x control\n");
608 		return err;
609 	}
610 	/* reassign AUX1 switch to FM */
611 	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
612 	strcpy(id2.name, "FM Playback Switch");
613 	err = snd_ctl_rename_id(card, &id1, &id2);
614 	if (err < 0) {
615 		snd_printk(KERN_ERR "Cannot rename opti93x control\n");
616 		return err;
617 	}
618 	/* remove AUX1 volume */
619 	strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
620 	snd_ctl_remove_id(card, &id1);
621 
622 	/* Replace WSS volume controls with OPTi93x volume controls */
623 	id1.index = 0;
624 	for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
625 		strcpy(id1.name, snd_opti93x_controls[idx].name);
626 		snd_ctl_remove_id(card, &id1);
627 
628 		err = snd_ctl_add(card,
629 				snd_ctl_new1(&snd_opti93x_controls[idx], chip));
630 		if (err < 0)
631 			return err;
632 	}
633 	return 0;
634 }
635 
636 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
637 {
638 	struct snd_opti9xx *chip = dev_id;
639 	struct snd_wss *codec = chip->codec;
640 	unsigned char status;
641 
642 	if (!codec)
643 		return IRQ_HANDLED;
644 
645 	status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
646 	if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
647 		snd_pcm_period_elapsed(codec->playback_substream);
648 	if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
649 		snd_wss_overrange(codec);
650 		snd_pcm_period_elapsed(codec->capture_substream);
651 	}
652 	outb(0x00, OPTi93X_PORT(codec, STATUS));
653 	return IRQ_HANDLED;
654 }
655 
656 #endif /* OPTi93X */
657 
658 static int snd_opti9xx_read_check(struct snd_opti9xx *chip)
659 {
660 	unsigned char value;
661 #ifdef OPTi93X
662 	unsigned long flags;
663 #endif
664 
665 	chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
666 					   "OPTi9xx MC");
667 	if (chip->res_mc_base == NULL)
668 		return -EBUSY;
669 #ifndef OPTi93X
670 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
671 	if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
672 		if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
673 			return 0;
674 #else	/* OPTi93X */
675 	chip->res_mc_indir = request_region(chip->mc_indir_index, 2,
676 					    "OPTi93x MC");
677 	if (chip->res_mc_indir == NULL)
678 		return -EBUSY;
679 
680 	spin_lock_irqsave(&chip->lock, flags);
681 	outb(chip->password, chip->mc_base + chip->pwd_reg);
682 	outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
683 	spin_unlock_irqrestore(&chip->lock, flags);
684 
685 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
686 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
687 	if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
688 		return 0;
689 
690 	release_and_free_resource(chip->res_mc_indir);
691 	chip->res_mc_indir = NULL;
692 #endif	/* OPTi93X */
693 	release_and_free_resource(chip->res_mc_base);
694 	chip->res_mc_base = NULL;
695 
696 	return -ENODEV;
697 }
698 
699 static int snd_card_opti9xx_detect(struct snd_card *card,
700 				   struct snd_opti9xx *chip)
701 {
702 	int i, err;
703 
704 #ifndef OPTi93X
705 	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
706 #else
707 	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
708 #endif
709 		err = snd_opti9xx_init(chip, i);
710 		if (err < 0)
711 			return err;
712 
713 		err = snd_opti9xx_read_check(chip);
714 		if (err == 0)
715 			return 1;
716 #ifdef OPTi93X
717 		chip->mc_indir_index = 0;
718 #endif
719 	}
720 	return -ENODEV;
721 }
722 
723 #ifdef CONFIG_PNP
724 static int snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
725 				struct pnp_card_link *card,
726 				const struct pnp_card_device_id *pid)
727 {
728 	struct pnp_dev *pdev;
729 	int err;
730 	struct pnp_dev *devmpu;
731 #ifndef OPTi93X
732 	struct pnp_dev *devmc;
733 #endif
734 
735 	pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
736 	if (pdev == NULL)
737 		return -EBUSY;
738 
739 	err = pnp_activate_dev(pdev);
740 	if (err < 0) {
741 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
742 		return err;
743 	}
744 
745 #ifdef OPTi93X
746 	port = pnp_port_start(pdev, 0) - 4;
747 	fm_port = pnp_port_start(pdev, 1) + 8;
748 	/* adjust mc_indir_index - some cards report it at 0xe?d,
749 	   other at 0xe?c but it really is always at 0xe?e */
750 	chip->mc_indir_index = (pnp_port_start(pdev, 3) & ~0xf) | 0xe;
751 #else
752 	devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
753 	if (devmc == NULL)
754 		return -EBUSY;
755 
756 	err = pnp_activate_dev(devmc);
757 	if (err < 0) {
758 		snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
759 		return err;
760 	}
761 
762 	port = pnp_port_start(pdev, 1);
763 	fm_port = pnp_port_start(pdev, 2) + 8;
764 	/*
765 	 * The MC(0) is never accessed and card does not
766 	 * include it in the PnP resource range. OPTI93x include it.
767 	 */
768 	chip->mc_base = pnp_port_start(devmc, 0) - 1;
769 	chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
770 #endif	/* OPTi93X */
771 	irq = pnp_irq(pdev, 0);
772 	dma1 = pnp_dma(pdev, 0);
773 #if defined(CS4231) || defined(OPTi93X)
774 	dma2 = pnp_dma(pdev, 1);
775 #endif	/* CS4231 || OPTi93X */
776 
777 	devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
778 
779 	if (devmpu && mpu_port > 0) {
780 		err = pnp_activate_dev(devmpu);
781 		if (err < 0) {
782 			snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
783 			mpu_port = -1;
784 		} else {
785 			mpu_port = pnp_port_start(devmpu, 0);
786 			mpu_irq = pnp_irq(devmpu, 0);
787 		}
788 	}
789 	return pid->driver_data;
790 }
791 #endif	/* CONFIG_PNP */
792 
793 static void snd_card_opti9xx_free(struct snd_card *card)
794 {
795 	struct snd_opti9xx *chip = card->private_data;
796 
797 	if (chip) {
798 #ifdef OPTi93X
799 		if (chip->irq > 0) {
800 			disable_irq(chip->irq);
801 			free_irq(chip->irq, chip);
802 		}
803 		release_and_free_resource(chip->res_mc_indir);
804 #endif
805 		release_and_free_resource(chip->res_mc_base);
806 	}
807 }
808 
809 static int snd_opti9xx_probe(struct snd_card *card)
810 {
811 	static const long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
812 	int error;
813 	int xdma2;
814 	struct snd_opti9xx *chip = card->private_data;
815 	struct snd_wss *codec;
816 	struct snd_rawmidi *rmidi;
817 	struct snd_hwdep *synth;
818 
819 #if defined(CS4231) || defined(OPTi93X)
820 	xdma2 = dma2;
821 #else
822 	xdma2 = -1;
823 #endif
824 
825 	if (port == SNDRV_AUTO_PORT) {
826 		port = snd_legacy_find_free_ioport(possible_ports, 4);
827 		if (port < 0) {
828 			snd_printk(KERN_ERR "unable to find a free WSS port\n");
829 			return -EBUSY;
830 		}
831 	}
832 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
833 				      mpu_port, mpu_irq);
834 	if (error)
835 		return error;
836 
837 	error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
838 #ifdef OPTi93X
839 			       WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
840 #else
841 			       WSS_HW_DETECT, 0,
842 #endif
843 			       &codec);
844 	if (error < 0)
845 		return error;
846 	chip->codec = codec;
847 	error = snd_wss_pcm(codec, 0);
848 	if (error < 0)
849 		return error;
850 	error = snd_wss_mixer(codec);
851 	if (error < 0)
852 		return error;
853 #ifdef OPTi93X
854 	error = snd_opti93x_mixer(codec);
855 	if (error < 0)
856 		return error;
857 #endif
858 #ifdef CS4231
859 	error = snd_wss_timer(codec, 0);
860 	if (error < 0)
861 		return error;
862 #endif
863 #ifdef OPTi93X
864 	error = request_irq(irq, snd_opti93x_interrupt,
865 			    0, DEV_NAME" - WSS", chip);
866 	if (error < 0) {
867 		snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
868 		return error;
869 	}
870 #endif
871 	chip->irq = irq;
872 	card->sync_irq = chip->irq;
873 	strcpy(card->driver, chip->name);
874 	sprintf(card->shortname, "OPTi %s", card->driver);
875 #if defined(CS4231) || defined(OPTi93X)
876 	snprintf(card->longname, sizeof(card->longname),
877 		 "%s, %s at 0x%lx, irq %d, dma %d&%d",
878 		 card->shortname, codec->pcm->name,
879 		 chip->wss_base + 4, irq, dma1, xdma2);
880 #else
881 	snprintf(card->longname, sizeof(card->longname),
882 		 "%s, %s at 0x%lx, irq %d, dma %d",
883 		 card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
884 		 dma1);
885 #endif	/* CS4231 || OPTi93X */
886 
887 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
888 		rmidi = NULL;
889 	else {
890 		error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
891 				mpu_port, 0, mpu_irq, &rmidi);
892 		if (error)
893 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
894 				   mpu_port);
895 	}
896 
897 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
898 		struct snd_opl3 *opl3 = NULL;
899 #ifndef OPTi93X
900 		if (chip->hardware == OPTi9XX_HW_82C928 ||
901 		    chip->hardware == OPTi9XX_HW_82C929 ||
902 		    chip->hardware == OPTi9XX_HW_82C924) {
903 			struct snd_opl4 *opl4;
904 			/* assume we have an OPL4 */
905 			snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
906 					       0x20, 0x20);
907 			if (snd_opl4_create(card, fm_port, fm_port - 8,
908 					    2, &opl3, &opl4) < 0) {
909 				/* no luck, use OPL3 instead */
910 				snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
911 						       0x00, 0x20);
912 			}
913 		}
914 #endif	/* !OPTi93X */
915 		if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
916 					     OPL3_HW_AUTO, 0, &opl3) < 0) {
917 			snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
918 				   fm_port, fm_port + 4 - 1);
919 		}
920 		if (opl3) {
921 			error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
922 			if (error < 0)
923 				return error;
924 		}
925 	}
926 
927 	return snd_card_register(card);
928 }
929 
930 static int snd_opti9xx_card_new(struct device *pdev, struct snd_card **cardp)
931 {
932 	struct snd_card *card;
933 	int err;
934 
935 	err = snd_card_new(pdev, index, id, THIS_MODULE,
936 			   sizeof(struct snd_opti9xx), &card);
937 	if (err < 0)
938 		return err;
939 	card->private_free = snd_card_opti9xx_free;
940 	*cardp = card;
941 	return 0;
942 }
943 
944 static int snd_opti9xx_isa_match(struct device *devptr,
945 				 unsigned int dev)
946 {
947 #ifdef CONFIG_PNP
948 	if (snd_opti9xx_pnp_is_probed)
949 		return 0;
950 	if (isapnp)
951 		return 0;
952 #endif
953 	return 1;
954 }
955 
956 static int snd_opti9xx_isa_probe(struct device *devptr,
957 				 unsigned int dev)
958 {
959 	struct snd_card *card;
960 	int error;
961 	static const long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
962 #ifdef OPTi93X
963 	static const int possible_irqs[] = {5, 9, 10, 11, 7, -1};
964 #else
965 	static const int possible_irqs[] = {9, 10, 11, 7, -1};
966 #endif	/* OPTi93X */
967 	static const int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
968 	static const int possible_dma1s[] = {3, 1, 0, -1};
969 #if defined(CS4231) || defined(OPTi93X)
970 	static const int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
971 #endif	/* CS4231 || OPTi93X */
972 
973 	if (mpu_port == SNDRV_AUTO_PORT) {
974 		if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
975 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
976 			return -EBUSY;
977 		}
978 	}
979 	if (irq == SNDRV_AUTO_IRQ) {
980 		if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
981 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
982 			return -EBUSY;
983 		}
984 	}
985 	if (mpu_irq == SNDRV_AUTO_IRQ) {
986 		if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
987 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
988 			return -EBUSY;
989 		}
990 	}
991 	if (dma1 == SNDRV_AUTO_DMA) {
992 		if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
993 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
994 			return -EBUSY;
995 		}
996 	}
997 #if defined(CS4231) || defined(OPTi93X)
998 	if (dma2 == SNDRV_AUTO_DMA) {
999 		if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1000 			snd_printk(KERN_ERR "unable to find a free DMA2\n");
1001 			return -EBUSY;
1002 		}
1003 	}
1004 #endif
1005 
1006 	error = snd_opti9xx_card_new(devptr, &card);
1007 	if (error < 0)
1008 		return error;
1009 
1010 	if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1011 		snd_card_free(card);
1012 		return error;
1013 	}
1014 	if ((error = snd_opti9xx_probe(card)) < 0) {
1015 		snd_card_free(card);
1016 		return error;
1017 	}
1018 	dev_set_drvdata(devptr, card);
1019 	return 0;
1020 }
1021 
1022 static int snd_opti9xx_isa_remove(struct device *devptr,
1023 				  unsigned int dev)
1024 {
1025 	snd_card_free(dev_get_drvdata(devptr));
1026 	return 0;
1027 }
1028 
1029 #ifdef CONFIG_PM
1030 static int snd_opti9xx_suspend(struct snd_card *card)
1031 {
1032 	struct snd_opti9xx *chip = card->private_data;
1033 
1034 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1035 	chip->codec->suspend(chip->codec);
1036 	return 0;
1037 }
1038 
1039 static int snd_opti9xx_resume(struct snd_card *card)
1040 {
1041 	struct snd_opti9xx *chip = card->private_data;
1042 	int error, xdma2;
1043 #if defined(CS4231) || defined(OPTi93X)
1044 	xdma2 = dma2;
1045 #else
1046 	xdma2 = -1;
1047 #endif
1048 
1049 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
1050 				      mpu_port, mpu_irq);
1051 	if (error)
1052 		return error;
1053 	chip->codec->resume(chip->codec);
1054 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1055 	return 0;
1056 }
1057 
1058 static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n,
1059 				   pm_message_t state)
1060 {
1061 	return snd_opti9xx_suspend(dev_get_drvdata(dev));
1062 }
1063 
1064 static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n)
1065 {
1066 	return snd_opti9xx_resume(dev_get_drvdata(dev));
1067 }
1068 #endif
1069 
1070 static struct isa_driver snd_opti9xx_driver = {
1071 	.match		= snd_opti9xx_isa_match,
1072 	.probe		= snd_opti9xx_isa_probe,
1073 	.remove		= snd_opti9xx_isa_remove,
1074 #ifdef CONFIG_PM
1075 	.suspend	= snd_opti9xx_isa_suspend,
1076 	.resume		= snd_opti9xx_isa_resume,
1077 #endif
1078 	.driver		= {
1079 		.name	= DEV_NAME
1080 	},
1081 };
1082 
1083 #ifdef CONFIG_PNP
1084 static int snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1085 				 const struct pnp_card_device_id *pid)
1086 {
1087 	struct snd_card *card;
1088 	int error, hw;
1089 	struct snd_opti9xx *chip;
1090 
1091 	if (snd_opti9xx_pnp_is_probed)
1092 		return -EBUSY;
1093 	if (! isapnp)
1094 		return -ENODEV;
1095 	error = snd_opti9xx_card_new(&pcard->card->dev, &card);
1096 	if (error < 0)
1097 		return error;
1098 	chip = card->private_data;
1099 
1100 	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1101 	switch (hw) {
1102 	case 0x0924:
1103 		hw = OPTi9XX_HW_82C924;
1104 		break;
1105 	case 0x0925:
1106 		hw = OPTi9XX_HW_82C925;
1107 		break;
1108 	case 0x0931:
1109 		hw = OPTi9XX_HW_82C931;
1110 		break;
1111 	default:
1112 		snd_card_free(card);
1113 		return -ENODEV;
1114 	}
1115 
1116 	if ((error = snd_opti9xx_init(chip, hw))) {
1117 		snd_card_free(card);
1118 		return error;
1119 	}
1120 	error = snd_opti9xx_read_check(chip);
1121 	if (error) {
1122 		snd_printk(KERN_ERR "OPTI chip not found\n");
1123 		snd_card_free(card);
1124 		return error;
1125 	}
1126 	if ((error = snd_opti9xx_probe(card)) < 0) {
1127 		snd_card_free(card);
1128 		return error;
1129 	}
1130 	pnp_set_card_drvdata(pcard, card);
1131 	snd_opti9xx_pnp_is_probed = 1;
1132 	return 0;
1133 }
1134 
1135 static void snd_opti9xx_pnp_remove(struct pnp_card_link *pcard)
1136 {
1137 	snd_card_free(pnp_get_card_drvdata(pcard));
1138 	pnp_set_card_drvdata(pcard, NULL);
1139 	snd_opti9xx_pnp_is_probed = 0;
1140 }
1141 
1142 #ifdef CONFIG_PM
1143 static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard,
1144 				   pm_message_t state)
1145 {
1146 	return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard));
1147 }
1148 
1149 static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
1150 {
1151 	return snd_opti9xx_resume(pnp_get_card_drvdata(pcard));
1152 }
1153 #endif
1154 
1155 static struct pnp_card_driver opti9xx_pnpc_driver = {
1156 	.flags		= PNP_DRIVER_RES_DISABLE,
1157 	.name		= DEV_NAME,
1158 	.id_table	= snd_opti9xx_pnpids,
1159 	.probe		= snd_opti9xx_pnp_probe,
1160 	.remove		= snd_opti9xx_pnp_remove,
1161 #ifdef CONFIG_PM
1162 	.suspend	= snd_opti9xx_pnp_suspend,
1163 	.resume		= snd_opti9xx_pnp_resume,
1164 #endif
1165 };
1166 #endif
1167 
1168 #ifdef OPTi93X
1169 #define CHIP_NAME	"82C93x"
1170 #else
1171 #define CHIP_NAME	"82C92x"
1172 #endif
1173 
1174 static int __init alsa_card_opti9xx_init(void)
1175 {
1176 #ifdef CONFIG_PNP
1177 	pnp_register_card_driver(&opti9xx_pnpc_driver);
1178 	if (snd_opti9xx_pnp_is_probed)
1179 		return 0;
1180 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1181 #endif
1182 	return isa_register_driver(&snd_opti9xx_driver, 1);
1183 }
1184 
1185 static void __exit alsa_card_opti9xx_exit(void)
1186 {
1187 	if (!snd_opti9xx_pnp_is_probed) {
1188 		isa_unregister_driver(&snd_opti9xx_driver);
1189 		return;
1190 	}
1191 #ifdef CONFIG_PNP
1192 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1193 #endif
1194 }
1195 
1196 module_init(alsa_card_opti9xx_init)
1197 module_exit(alsa_card_opti9xx_exit)
1198