xref: /linux/sound/isa/opti9xx/opti92x-ad1848.c (revision 48dea9a700c8728cc31a1dd44588b97578de86ee)
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 		fallthrough;
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 		fallthrough;
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 static inline void snd_opti9xx_write_mask(struct snd_opti9xx *chip,
321 		unsigned char reg, unsigned char value, unsigned char mask)
322 {
323 	unsigned char oldval = snd_opti9xx_read(chip, reg);
324 
325 	snd_opti9xx_write(chip, reg, (oldval & ~mask) | (value & mask));
326 }
327 
328 static int snd_opti9xx_configure(struct snd_opti9xx *chip,
329 					   long port,
330 					   int irq, int dma1, int dma2,
331 					   long mpu_port, int mpu_irq)
332 {
333 	unsigned char wss_base_bits;
334 	unsigned char irq_bits;
335 	unsigned char dma_bits;
336 	unsigned char mpu_port_bits = 0;
337 	unsigned char mpu_irq_bits;
338 
339 	switch (chip->hardware) {
340 #ifndef OPTi93X
341 	case OPTi9XX_HW_82C924:
342 		/* opti 929 mode (?), OPL3 clock output, audio enable */
343 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
344 		/* enable wave audio */
345 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
346 		fallthrough;
347 
348 	case OPTi9XX_HW_82C925:
349 		/* enable WSS mode */
350 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
351 		/* OPL3 FM synthesis */
352 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
353 		/* disable Sound Blaster IRQ and DMA */
354 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
355 #ifdef CS4231
356 		/* cs4231/4248 fix enabled */
357 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
358 #else
359 		/* cs4231/4248 fix disabled */
360 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
361 #endif	/* CS4231 */
362 		break;
363 
364 	case OPTi9XX_HW_82C928:
365 	case OPTi9XX_HW_82C929:
366 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
367 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
368 		/*
369 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
370 		*/
371 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
372 #ifdef CS4231
373 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
374 #else
375 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
376 #endif	/* CS4231 */
377 		break;
378 
379 #else	/* OPTi93X */
380 	case OPTi9XX_HW_82C931:
381 		/* disable 3D sound (set GPIO1 as output, low) */
382 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
383 		fallthrough;
384 
385 	case OPTi9XX_HW_82C933:
386 		/*
387 		 * The BTC 1817DW has QS1000 wavetable which is connected
388 		 * to the serial digital input of the OPTI931.
389 		 */
390 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
391 		/*
392 		 * This bit sets OPTI931 to automaticaly select FM
393 		 * or digital input signal.
394 		 */
395 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
396 		fallthrough;
397 
398 	case OPTi9XX_HW_82C930:
399 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
400 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
401 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
402 			(chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
403 			0x34);
404 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
405 		break;
406 #endif	/* OPTi93X */
407 
408 	default:
409 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
410 		return -EINVAL;
411 	}
412 
413 	/* PnP resource says it decodes only 10 bits of address */
414 	switch (port & 0x3ff) {
415 	case 0x130:
416 		chip->wss_base = 0x530;
417 		wss_base_bits = 0x00;
418 		break;
419 	case 0x204:
420 		chip->wss_base = 0x604;
421 		wss_base_bits = 0x03;
422 		break;
423 	case 0x280:
424 		chip->wss_base = 0xe80;
425 		wss_base_bits = 0x01;
426 		break;
427 	case 0x340:
428 		chip->wss_base = 0xf40;
429 		wss_base_bits = 0x02;
430 		break;
431 	default:
432 		snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
433 		goto __skip_base;
434 	}
435 	snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
436 
437 __skip_base:
438 	switch (irq) {
439 //#ifdef OPTi93X
440 	case 5:
441 		irq_bits = 0x05;
442 		break;
443 //#endif	/* OPTi93X */
444 	case 7:
445 		irq_bits = 0x01;
446 		break;
447 	case 9:
448 		irq_bits = 0x02;
449 		break;
450 	case 10:
451 		irq_bits = 0x03;
452 		break;
453 	case 11:
454 		irq_bits = 0x04;
455 		break;
456 	default:
457 		snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
458 		goto __skip_resources;
459 	}
460 
461 	switch (dma1) {
462 	case 0:
463 		dma_bits = 0x01;
464 		break;
465 	case 1:
466 		dma_bits = 0x02;
467 		break;
468 	case 3:
469 		dma_bits = 0x03;
470 		break;
471 	default:
472 		snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
473 		goto __skip_resources;
474 	}
475 
476 #if defined(CS4231) || defined(OPTi93X)
477 	if (dma1 == dma2) {
478 		snd_printk(KERN_ERR "don't want to share dmas\n");
479 		return -EBUSY;
480 	}
481 
482 	switch (dma2) {
483 	case 0:
484 	case 1:
485 		break;
486 	default:
487 		snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
488 		goto __skip_resources;
489 	}
490 	dma_bits |= 0x04;
491 #endif	/* CS4231 || OPTi93X */
492 
493 #ifndef OPTi93X
494 	 outb(irq_bits << 3 | dma_bits, chip->wss_base);
495 #else /* OPTi93X */
496 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
497 #endif /* OPTi93X */
498 
499 __skip_resources:
500 	if (chip->hardware > OPTi9XX_HW_82C928) {
501 		switch (mpu_port) {
502 		case 0:
503 		case -1:
504 			break;
505 		case 0x300:
506 			mpu_port_bits = 0x03;
507 			break;
508 		case 0x310:
509 			mpu_port_bits = 0x02;
510 			break;
511 		case 0x320:
512 			mpu_port_bits = 0x01;
513 			break;
514 		case 0x330:
515 			mpu_port_bits = 0x00;
516 			break;
517 		default:
518 			snd_printk(KERN_WARNING
519 				   "MPU-401 port 0x%lx not valid\n", mpu_port);
520 			goto __skip_mpu;
521 		}
522 
523 		switch (mpu_irq) {
524 		case 5:
525 			mpu_irq_bits = 0x02;
526 			break;
527 		case 7:
528 			mpu_irq_bits = 0x03;
529 			break;
530 		case 9:
531 			mpu_irq_bits = 0x00;
532 			break;
533 		case 10:
534 			mpu_irq_bits = 0x01;
535 			break;
536 		default:
537 			snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
538 				mpu_irq);
539 			goto __skip_mpu;
540 		}
541 
542 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
543 			(mpu_port <= 0) ? 0x00 :
544 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
545 			0xf8);
546 	}
547 __skip_mpu:
548 
549 	return 0;
550 }
551 
552 #ifdef OPTi93X
553 
554 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
555 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
556 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
557 
558 static const struct snd_kcontrol_new snd_opti93x_controls[] = {
559 WSS_DOUBLE("Master Playback Switch", 0,
560 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
561 WSS_DOUBLE_TLV("Master Playback Volume", 0,
562 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
563 		db_scale_5bit_3db_step),
564 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
565 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
566 		db_scale_5bit),
567 WSS_DOUBLE_TLV("FM Playback Volume", 0,
568 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
569 		db_scale_4bit_12db_max),
570 WSS_DOUBLE("Line Playback Switch", 0,
571 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
572 WSS_DOUBLE_TLV("Line Playback Volume", 0,
573 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
574 		db_scale_4bit_12db_max),
575 WSS_DOUBLE("Mic Playback Switch", 0,
576 		OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
577 WSS_DOUBLE_TLV("Mic Playback Volume", 0,
578 		OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
579 		db_scale_4bit_12db_max),
580 WSS_DOUBLE_TLV("CD Playback Volume", 0,
581 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
582 		db_scale_4bit_12db_max),
583 WSS_DOUBLE("Aux Playback Switch", 0,
584 		OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
585 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
586 		OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
587 		db_scale_4bit_12db_max),
588 };
589 
590 static int snd_opti93x_mixer(struct snd_wss *chip)
591 {
592 	struct snd_card *card;
593 	unsigned int idx;
594 	struct snd_ctl_elem_id id1, id2;
595 	int err;
596 
597 	if (snd_BUG_ON(!chip || !chip->pcm))
598 		return -EINVAL;
599 
600 	card = chip->card;
601 
602 	strcpy(card->mixername, chip->pcm->name);
603 
604 	memset(&id1, 0, sizeof(id1));
605 	memset(&id2, 0, sizeof(id2));
606 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
607 	/* reassign AUX0 switch to CD */
608 	strcpy(id1.name, "Aux Playback Switch");
609 	strcpy(id2.name, "CD Playback Switch");
610 	err = snd_ctl_rename_id(card, &id1, &id2);
611 	if (err < 0) {
612 		snd_printk(KERN_ERR "Cannot rename opti93x control\n");
613 		return err;
614 	}
615 	/* reassign AUX1 switch to FM */
616 	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
617 	strcpy(id2.name, "FM Playback Switch");
618 	err = snd_ctl_rename_id(card, &id1, &id2);
619 	if (err < 0) {
620 		snd_printk(KERN_ERR "Cannot rename opti93x control\n");
621 		return err;
622 	}
623 	/* remove AUX1 volume */
624 	strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
625 	snd_ctl_remove_id(card, &id1);
626 
627 	/* Replace WSS volume controls with OPTi93x volume controls */
628 	id1.index = 0;
629 	for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
630 		strcpy(id1.name, snd_opti93x_controls[idx].name);
631 		snd_ctl_remove_id(card, &id1);
632 
633 		err = snd_ctl_add(card,
634 				snd_ctl_new1(&snd_opti93x_controls[idx], chip));
635 		if (err < 0)
636 			return err;
637 	}
638 	return 0;
639 }
640 
641 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
642 {
643 	struct snd_opti9xx *chip = dev_id;
644 	struct snd_wss *codec = chip->codec;
645 	unsigned char status;
646 
647 	if (!codec)
648 		return IRQ_HANDLED;
649 
650 	status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
651 	if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
652 		snd_pcm_period_elapsed(codec->playback_substream);
653 	if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
654 		snd_wss_overrange(codec);
655 		snd_pcm_period_elapsed(codec->capture_substream);
656 	}
657 	outb(0x00, OPTi93X_PORT(codec, STATUS));
658 	return IRQ_HANDLED;
659 }
660 
661 #endif /* OPTi93X */
662 
663 static int snd_opti9xx_read_check(struct snd_opti9xx *chip)
664 {
665 	unsigned char value;
666 #ifdef OPTi93X
667 	unsigned long flags;
668 #endif
669 
670 	chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
671 					   "OPTi9xx MC");
672 	if (chip->res_mc_base == NULL)
673 		return -EBUSY;
674 #ifndef OPTi93X
675 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
676 	if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
677 		if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
678 			return 0;
679 #else	/* OPTi93X */
680 	chip->res_mc_indir = request_region(chip->mc_indir_index, 2,
681 					    "OPTi93x MC");
682 	if (chip->res_mc_indir == NULL)
683 		return -EBUSY;
684 
685 	spin_lock_irqsave(&chip->lock, flags);
686 	outb(chip->password, chip->mc_base + chip->pwd_reg);
687 	outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
688 	spin_unlock_irqrestore(&chip->lock, flags);
689 
690 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
691 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
692 	if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
693 		return 0;
694 
695 	release_and_free_resource(chip->res_mc_indir);
696 	chip->res_mc_indir = NULL;
697 #endif	/* OPTi93X */
698 	release_and_free_resource(chip->res_mc_base);
699 	chip->res_mc_base = NULL;
700 
701 	return -ENODEV;
702 }
703 
704 static int snd_card_opti9xx_detect(struct snd_card *card,
705 				   struct snd_opti9xx *chip)
706 {
707 	int i, err;
708 
709 #ifndef OPTi93X
710 	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
711 #else
712 	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
713 #endif
714 		err = snd_opti9xx_init(chip, i);
715 		if (err < 0)
716 			return err;
717 
718 		err = snd_opti9xx_read_check(chip);
719 		if (err == 0)
720 			return 1;
721 #ifdef OPTi93X
722 		chip->mc_indir_index = 0;
723 #endif
724 	}
725 	return -ENODEV;
726 }
727 
728 #ifdef CONFIG_PNP
729 static int snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
730 				struct pnp_card_link *card,
731 				const struct pnp_card_device_id *pid)
732 {
733 	struct pnp_dev *pdev;
734 	int err;
735 	struct pnp_dev *devmpu;
736 #ifndef OPTi93X
737 	struct pnp_dev *devmc;
738 #endif
739 
740 	pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
741 	if (pdev == NULL)
742 		return -EBUSY;
743 
744 	err = pnp_activate_dev(pdev);
745 	if (err < 0) {
746 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
747 		return err;
748 	}
749 
750 #ifdef OPTi93X
751 	port = pnp_port_start(pdev, 0) - 4;
752 	fm_port = pnp_port_start(pdev, 1) + 8;
753 	/* adjust mc_indir_index - some cards report it at 0xe?d,
754 	   other at 0xe?c but it really is always at 0xe?e */
755 	chip->mc_indir_index = (pnp_port_start(pdev, 3) & ~0xf) | 0xe;
756 #else
757 	devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
758 	if (devmc == NULL)
759 		return -EBUSY;
760 
761 	err = pnp_activate_dev(devmc);
762 	if (err < 0) {
763 		snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
764 		return err;
765 	}
766 
767 	port = pnp_port_start(pdev, 1);
768 	fm_port = pnp_port_start(pdev, 2) + 8;
769 	/*
770 	 * The MC(0) is never accessed and card does not
771 	 * include it in the PnP resource range. OPTI93x include it.
772 	 */
773 	chip->mc_base = pnp_port_start(devmc, 0) - 1;
774 	chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
775 #endif	/* OPTi93X */
776 	irq = pnp_irq(pdev, 0);
777 	dma1 = pnp_dma(pdev, 0);
778 #if defined(CS4231) || defined(OPTi93X)
779 	dma2 = pnp_dma(pdev, 1);
780 #endif	/* CS4231 || OPTi93X */
781 
782 	devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
783 
784 	if (devmpu && mpu_port > 0) {
785 		err = pnp_activate_dev(devmpu);
786 		if (err < 0) {
787 			snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
788 			mpu_port = -1;
789 		} else {
790 			mpu_port = pnp_port_start(devmpu, 0);
791 			mpu_irq = pnp_irq(devmpu, 0);
792 		}
793 	}
794 	return pid->driver_data;
795 }
796 #endif	/* CONFIG_PNP */
797 
798 static void snd_card_opti9xx_free(struct snd_card *card)
799 {
800 	struct snd_opti9xx *chip = card->private_data;
801 
802 	if (chip) {
803 #ifdef OPTi93X
804 		if (chip->irq > 0) {
805 			disable_irq(chip->irq);
806 			free_irq(chip->irq, chip);
807 		}
808 		release_and_free_resource(chip->res_mc_indir);
809 #endif
810 		release_and_free_resource(chip->res_mc_base);
811 	}
812 }
813 
814 static int snd_opti9xx_probe(struct snd_card *card)
815 {
816 	static const long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
817 	int error;
818 	int xdma2;
819 	struct snd_opti9xx *chip = card->private_data;
820 	struct snd_wss *codec;
821 	struct snd_rawmidi *rmidi;
822 	struct snd_hwdep *synth;
823 
824 #if defined(CS4231) || defined(OPTi93X)
825 	xdma2 = dma2;
826 #else
827 	xdma2 = -1;
828 #endif
829 
830 	if (port == SNDRV_AUTO_PORT) {
831 		port = snd_legacy_find_free_ioport(possible_ports, 4);
832 		if (port < 0) {
833 			snd_printk(KERN_ERR "unable to find a free WSS port\n");
834 			return -EBUSY;
835 		}
836 	}
837 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
838 				      mpu_port, mpu_irq);
839 	if (error)
840 		return error;
841 
842 	error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
843 #ifdef OPTi93X
844 			       WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
845 #else
846 			       WSS_HW_DETECT, 0,
847 #endif
848 			       &codec);
849 	if (error < 0)
850 		return error;
851 	chip->codec = codec;
852 	error = snd_wss_pcm(codec, 0);
853 	if (error < 0)
854 		return error;
855 	error = snd_wss_mixer(codec);
856 	if (error < 0)
857 		return error;
858 #ifdef OPTi93X
859 	error = snd_opti93x_mixer(codec);
860 	if (error < 0)
861 		return error;
862 #endif
863 #ifdef CS4231
864 	error = snd_wss_timer(codec, 0);
865 	if (error < 0)
866 		return error;
867 #endif
868 #ifdef OPTi93X
869 	error = request_irq(irq, snd_opti93x_interrupt,
870 			    0, DEV_NAME" - WSS", chip);
871 	if (error < 0) {
872 		snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
873 		return error;
874 	}
875 #endif
876 	chip->irq = irq;
877 	card->sync_irq = chip->irq;
878 	strcpy(card->driver, chip->name);
879 	sprintf(card->shortname, "OPTi %s", card->driver);
880 #if defined(CS4231) || defined(OPTi93X)
881 	snprintf(card->longname, sizeof(card->longname),
882 		 "%s, %s at 0x%lx, irq %d, dma %d&%d",
883 		 card->shortname, codec->pcm->name,
884 		 chip->wss_base + 4, irq, dma1, xdma2);
885 #else
886 	snprintf(card->longname, sizeof(card->longname),
887 		 "%s, %s at 0x%lx, irq %d, dma %d",
888 		 card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
889 		 dma1);
890 #endif	/* CS4231 || OPTi93X */
891 
892 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
893 		rmidi = NULL;
894 	else {
895 		error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
896 				mpu_port, 0, mpu_irq, &rmidi);
897 		if (error)
898 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
899 				   mpu_port);
900 	}
901 
902 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
903 		struct snd_opl3 *opl3 = NULL;
904 #ifndef OPTi93X
905 		if (chip->hardware == OPTi9XX_HW_82C928 ||
906 		    chip->hardware == OPTi9XX_HW_82C929 ||
907 		    chip->hardware == OPTi9XX_HW_82C924) {
908 			struct snd_opl4 *opl4;
909 			/* assume we have an OPL4 */
910 			snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
911 					       0x20, 0x20);
912 			if (snd_opl4_create(card, fm_port, fm_port - 8,
913 					    2, &opl3, &opl4) < 0) {
914 				/* no luck, use OPL3 instead */
915 				snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
916 						       0x00, 0x20);
917 			}
918 		}
919 #endif	/* !OPTi93X */
920 		if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
921 					     OPL3_HW_AUTO, 0, &opl3) < 0) {
922 			snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
923 				   fm_port, fm_port + 4 - 1);
924 		}
925 		if (opl3) {
926 			error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
927 			if (error < 0)
928 				return error;
929 		}
930 	}
931 
932 	return snd_card_register(card);
933 }
934 
935 static int snd_opti9xx_card_new(struct device *pdev, struct snd_card **cardp)
936 {
937 	struct snd_card *card;
938 	int err;
939 
940 	err = snd_card_new(pdev, index, id, THIS_MODULE,
941 			   sizeof(struct snd_opti9xx), &card);
942 	if (err < 0)
943 		return err;
944 	card->private_free = snd_card_opti9xx_free;
945 	*cardp = card;
946 	return 0;
947 }
948 
949 static int snd_opti9xx_isa_match(struct device *devptr,
950 				 unsigned int dev)
951 {
952 #ifdef CONFIG_PNP
953 	if (snd_opti9xx_pnp_is_probed)
954 		return 0;
955 	if (isapnp)
956 		return 0;
957 #endif
958 	return 1;
959 }
960 
961 static int snd_opti9xx_isa_probe(struct device *devptr,
962 				 unsigned int dev)
963 {
964 	struct snd_card *card;
965 	int error;
966 	static const long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
967 #ifdef OPTi93X
968 	static const int possible_irqs[] = {5, 9, 10, 11, 7, -1};
969 #else
970 	static const int possible_irqs[] = {9, 10, 11, 7, -1};
971 #endif	/* OPTi93X */
972 	static const int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
973 	static const int possible_dma1s[] = {3, 1, 0, -1};
974 #if defined(CS4231) || defined(OPTi93X)
975 	static const int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
976 #endif	/* CS4231 || OPTi93X */
977 
978 	if (mpu_port == SNDRV_AUTO_PORT) {
979 		if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
980 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
981 			return -EBUSY;
982 		}
983 	}
984 	if (irq == SNDRV_AUTO_IRQ) {
985 		if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
986 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
987 			return -EBUSY;
988 		}
989 	}
990 	if (mpu_irq == SNDRV_AUTO_IRQ) {
991 		if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
992 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
993 			return -EBUSY;
994 		}
995 	}
996 	if (dma1 == SNDRV_AUTO_DMA) {
997 		if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
998 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
999 			return -EBUSY;
1000 		}
1001 	}
1002 #if defined(CS4231) || defined(OPTi93X)
1003 	if (dma2 == SNDRV_AUTO_DMA) {
1004 		if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1005 			snd_printk(KERN_ERR "unable to find a free DMA2\n");
1006 			return -EBUSY;
1007 		}
1008 	}
1009 #endif
1010 
1011 	error = snd_opti9xx_card_new(devptr, &card);
1012 	if (error < 0)
1013 		return error;
1014 
1015 	if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1016 		snd_card_free(card);
1017 		return error;
1018 	}
1019 	if ((error = snd_opti9xx_probe(card)) < 0) {
1020 		snd_card_free(card);
1021 		return error;
1022 	}
1023 	dev_set_drvdata(devptr, card);
1024 	return 0;
1025 }
1026 
1027 static int snd_opti9xx_isa_remove(struct device *devptr,
1028 				  unsigned int dev)
1029 {
1030 	snd_card_free(dev_get_drvdata(devptr));
1031 	return 0;
1032 }
1033 
1034 #ifdef CONFIG_PM
1035 static int snd_opti9xx_suspend(struct snd_card *card)
1036 {
1037 	struct snd_opti9xx *chip = card->private_data;
1038 
1039 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1040 	chip->codec->suspend(chip->codec);
1041 	return 0;
1042 }
1043 
1044 static int snd_opti9xx_resume(struct snd_card *card)
1045 {
1046 	struct snd_opti9xx *chip = card->private_data;
1047 	int error, xdma2;
1048 #if defined(CS4231) || defined(OPTi93X)
1049 	xdma2 = dma2;
1050 #else
1051 	xdma2 = -1;
1052 #endif
1053 
1054 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
1055 				      mpu_port, mpu_irq);
1056 	if (error)
1057 		return error;
1058 	chip->codec->resume(chip->codec);
1059 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1060 	return 0;
1061 }
1062 
1063 static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n,
1064 				   pm_message_t state)
1065 {
1066 	return snd_opti9xx_suspend(dev_get_drvdata(dev));
1067 }
1068 
1069 static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n)
1070 {
1071 	return snd_opti9xx_resume(dev_get_drvdata(dev));
1072 }
1073 #endif
1074 
1075 static struct isa_driver snd_opti9xx_driver = {
1076 	.match		= snd_opti9xx_isa_match,
1077 	.probe		= snd_opti9xx_isa_probe,
1078 	.remove		= snd_opti9xx_isa_remove,
1079 #ifdef CONFIG_PM
1080 	.suspend	= snd_opti9xx_isa_suspend,
1081 	.resume		= snd_opti9xx_isa_resume,
1082 #endif
1083 	.driver		= {
1084 		.name	= DEV_NAME
1085 	},
1086 };
1087 
1088 #ifdef CONFIG_PNP
1089 static int snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1090 				 const struct pnp_card_device_id *pid)
1091 {
1092 	struct snd_card *card;
1093 	int error, hw;
1094 	struct snd_opti9xx *chip;
1095 
1096 	if (snd_opti9xx_pnp_is_probed)
1097 		return -EBUSY;
1098 	if (! isapnp)
1099 		return -ENODEV;
1100 	error = snd_opti9xx_card_new(&pcard->card->dev, &card);
1101 	if (error < 0)
1102 		return error;
1103 	chip = card->private_data;
1104 
1105 	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1106 	switch (hw) {
1107 	case 0x0924:
1108 		hw = OPTi9XX_HW_82C924;
1109 		break;
1110 	case 0x0925:
1111 		hw = OPTi9XX_HW_82C925;
1112 		break;
1113 	case 0x0931:
1114 		hw = OPTi9XX_HW_82C931;
1115 		break;
1116 	default:
1117 		snd_card_free(card);
1118 		return -ENODEV;
1119 	}
1120 
1121 	if ((error = snd_opti9xx_init(chip, hw))) {
1122 		snd_card_free(card);
1123 		return error;
1124 	}
1125 	error = snd_opti9xx_read_check(chip);
1126 	if (error) {
1127 		snd_printk(KERN_ERR "OPTI chip not found\n");
1128 		snd_card_free(card);
1129 		return error;
1130 	}
1131 	if ((error = snd_opti9xx_probe(card)) < 0) {
1132 		snd_card_free(card);
1133 		return error;
1134 	}
1135 	pnp_set_card_drvdata(pcard, card);
1136 	snd_opti9xx_pnp_is_probed = 1;
1137 	return 0;
1138 }
1139 
1140 static void snd_opti9xx_pnp_remove(struct pnp_card_link *pcard)
1141 {
1142 	snd_card_free(pnp_get_card_drvdata(pcard));
1143 	pnp_set_card_drvdata(pcard, NULL);
1144 	snd_opti9xx_pnp_is_probed = 0;
1145 }
1146 
1147 #ifdef CONFIG_PM
1148 static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard,
1149 				   pm_message_t state)
1150 {
1151 	return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard));
1152 }
1153 
1154 static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
1155 {
1156 	return snd_opti9xx_resume(pnp_get_card_drvdata(pcard));
1157 }
1158 #endif
1159 
1160 static struct pnp_card_driver opti9xx_pnpc_driver = {
1161 	.flags		= PNP_DRIVER_RES_DISABLE,
1162 	.name		= DEV_NAME,
1163 	.id_table	= snd_opti9xx_pnpids,
1164 	.probe		= snd_opti9xx_pnp_probe,
1165 	.remove		= snd_opti9xx_pnp_remove,
1166 #ifdef CONFIG_PM
1167 	.suspend	= snd_opti9xx_pnp_suspend,
1168 	.resume		= snd_opti9xx_pnp_resume,
1169 #endif
1170 };
1171 #endif
1172 
1173 #ifdef OPTi93X
1174 #define CHIP_NAME	"82C93x"
1175 #else
1176 #define CHIP_NAME	"82C92x"
1177 #endif
1178 
1179 static int __init alsa_card_opti9xx_init(void)
1180 {
1181 #ifdef CONFIG_PNP
1182 	pnp_register_card_driver(&opti9xx_pnpc_driver);
1183 	if (snd_opti9xx_pnp_is_probed)
1184 		return 0;
1185 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1186 #endif
1187 	return isa_register_driver(&snd_opti9xx_driver, 1);
1188 }
1189 
1190 static void __exit alsa_card_opti9xx_exit(void)
1191 {
1192 	if (!snd_opti9xx_pnp_is_probed) {
1193 		isa_unregister_driver(&snd_opti9xx_driver);
1194 		return;
1195 	}
1196 #ifdef CONFIG_PNP
1197 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1198 #endif
1199 }
1200 
1201 module_init(alsa_card_opti9xx_init)
1202 module_exit(alsa_card_opti9xx_exit)
1203