xref: /linux/sound/isa/opti9xx/opti92x-ad1848.c (revision 172cdcaefea5c297fdb3d20b7d5aff60ae4fbce6)
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 #else	/* OPTi93X */
40 #ifdef CS4231
41 MODULE_DESCRIPTION("OPTi92X - CS4231");
42 #else	/* CS4231 */
43 MODULE_DESCRIPTION("OPTi92X - AD1848");
44 #endif	/* CS4231 */
45 #endif	/* OPTi93X */
46 
47 static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
48 static char *id = SNDRV_DEFAULT_STR1;		/* ID for this card */
49 //static bool enable = SNDRV_DEFAULT_ENABLE1;	/* Enable this card */
50 #ifdef CONFIG_PNP
51 static bool isapnp = true;			/* Enable ISA PnP detection */
52 #endif
53 static long port = SNDRV_DEFAULT_PORT1; 	/* 0x530,0xe80,0xf40,0x604 */
54 static long mpu_port = SNDRV_DEFAULT_PORT1;	/* 0x300,0x310,0x320,0x330 */
55 static long fm_port = SNDRV_DEFAULT_PORT1;	/* 0x388 */
56 static int irq = SNDRV_DEFAULT_IRQ1;		/* 5,7,9,10,11 */
57 static int mpu_irq = SNDRV_DEFAULT_IRQ1;	/* 5,7,9,10 */
58 static int dma1 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
59 #if defined(CS4231) || defined(OPTi93X)
60 static int dma2 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
61 #endif	/* CS4231 || OPTi93X */
62 
63 module_param(index, int, 0444);
64 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
65 module_param(id, charp, 0444);
66 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
67 //module_param(enable, bool, 0444);
68 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
69 #ifdef CONFIG_PNP
70 module_param(isapnp, bool, 0444);
71 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
72 #endif
73 module_param_hw(port, long, ioport, 0444);
74 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
75 module_param_hw(mpu_port, long, ioport, 0444);
76 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
77 module_param_hw(fm_port, long, ioport, 0444);
78 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
79 module_param_hw(irq, int, irq, 0444);
80 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
81 module_param_hw(mpu_irq, int, irq, 0444);
82 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
83 module_param_hw(dma1, int, dma, 0444);
84 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
85 #if defined(CS4231) || defined(OPTi93X)
86 module_param_hw(dma2, int, dma, 0444);
87 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
88 #endif	/* CS4231 || OPTi93X */
89 
90 #define OPTi9XX_HW_82C928	1
91 #define OPTi9XX_HW_82C929	2
92 #define OPTi9XX_HW_82C924	3
93 #define OPTi9XX_HW_82C925	4
94 #define OPTi9XX_HW_82C930	5
95 #define OPTi9XX_HW_82C931	6
96 #define OPTi9XX_HW_82C933	7
97 #define OPTi9XX_HW_LAST		OPTi9XX_HW_82C933
98 
99 #define OPTi9XX_MC_REG(n)	n
100 
101 #ifdef OPTi93X
102 
103 #define OPTi93X_STATUS			0x02
104 #define OPTi93X_PORT(chip, r)		((chip)->port + OPTi93X_##r)
105 
106 #define OPTi93X_IRQ_PLAYBACK		0x04
107 #define OPTi93X_IRQ_CAPTURE		0x08
108 
109 #endif /* OPTi93X */
110 
111 struct snd_opti9xx {
112 	unsigned short hardware;
113 	unsigned char password;
114 	char name[7];
115 
116 	unsigned long mc_base;
117 	struct resource *res_mc_base;
118 	unsigned long mc_base_size;
119 #ifdef OPTi93X
120 	unsigned long mc_indir_index;
121 	struct resource *res_mc_indir;
122 #endif	/* OPTi93X */
123 	struct snd_wss *codec;
124 	unsigned long pwd_reg;
125 
126 	spinlock_t lock;
127 
128 	long wss_base;
129 	int irq;
130 };
131 
132 static int snd_opti9xx_pnp_is_probed;
133 
134 #ifdef CONFIG_PNP
135 
136 static const struct pnp_card_device_id snd_opti9xx_pnpids[] = {
137 #ifndef OPTi93X
138 	/* OPTi 82C924 */
139 	{ .id = "OPT0924",
140 	  .devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
141 	  .driver_data = 0x0924 },
142 	/* OPTi 82C925 */
143 	{ .id = "OPT0925",
144 	  .devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
145 	  .driver_data = 0x0925 },
146 #else
147 	/* OPTi 82C931/3 */
148 	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
149 	  .driver_data = 0x0931 },
150 #endif	/* OPTi93X */
151 	{ .id = "" }
152 };
153 
154 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
155 
156 #endif	/* CONFIG_PNP */
157 
158 #define DEV_NAME KBUILD_MODNAME
159 
160 static const char * const snd_opti9xx_names[] = {
161 	"unknown",
162 	"82C928",	"82C929",
163 	"82C924",	"82C925",
164 	"82C930",	"82C931",	"82C933"
165 };
166 
167 static int snd_opti9xx_init(struct snd_opti9xx *chip,
168 			    unsigned short hardware)
169 {
170 	static const int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
171 
172 	chip->hardware = hardware;
173 	strcpy(chip->name, snd_opti9xx_names[hardware]);
174 
175 	spin_lock_init(&chip->lock);
176 
177 	chip->irq = -1;
178 
179 #ifndef OPTi93X
180 #ifdef CONFIG_PNP
181 	if (isapnp && chip->mc_base)
182 		/* PnP resource gives the least 10 bits */
183 		chip->mc_base |= 0xc00;
184 	else
185 #endif	/* CONFIG_PNP */
186 	{
187 		chip->mc_base = 0xf8c;
188 		chip->mc_base_size = opti9xx_mc_size[hardware];
189 	}
190 #else
191 		chip->mc_base_size = opti9xx_mc_size[hardware];
192 #endif
193 
194 	switch (hardware) {
195 #ifndef OPTi93X
196 	case OPTi9XX_HW_82C928:
197 	case OPTi9XX_HW_82C929:
198 		chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
199 		chip->pwd_reg = 3;
200 		break;
201 
202 	case OPTi9XX_HW_82C924:
203 	case OPTi9XX_HW_82C925:
204 		chip->password = 0xe5;
205 		chip->pwd_reg = 3;
206 		break;
207 #else	/* OPTi93X */
208 
209 	case OPTi9XX_HW_82C930:
210 	case OPTi9XX_HW_82C931:
211 	case OPTi9XX_HW_82C933:
212 		chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
213 		if (!chip->mc_indir_index)
214 			chip->mc_indir_index = 0xe0e;
215 		chip->password = 0xe4;
216 		chip->pwd_reg = 0;
217 		break;
218 #endif	/* OPTi93X */
219 
220 	default:
221 		snd_printk(KERN_ERR "chip %d not supported\n", hardware);
222 		return -ENODEV;
223 	}
224 	return 0;
225 }
226 
227 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
228 				      unsigned char reg)
229 {
230 	unsigned long flags;
231 	unsigned char retval = 0xff;
232 
233 	spin_lock_irqsave(&chip->lock, flags);
234 	outb(chip->password, chip->mc_base + chip->pwd_reg);
235 
236 	switch (chip->hardware) {
237 #ifndef OPTi93X
238 	case OPTi9XX_HW_82C924:
239 	case OPTi9XX_HW_82C925:
240 		if (reg > 7) {
241 			outb(reg, chip->mc_base + 8);
242 			outb(chip->password, chip->mc_base + chip->pwd_reg);
243 			retval = inb(chip->mc_base + 9);
244 			break;
245 		}
246 		fallthrough;
247 
248 	case OPTi9XX_HW_82C928:
249 	case OPTi9XX_HW_82C929:
250 		retval = inb(chip->mc_base + reg);
251 		break;
252 #else	/* OPTi93X */
253 
254 	case OPTi9XX_HW_82C930:
255 	case OPTi9XX_HW_82C931:
256 	case OPTi9XX_HW_82C933:
257 		outb(reg, chip->mc_indir_index);
258 		outb(chip->password, chip->mc_base + chip->pwd_reg);
259 		retval = inb(chip->mc_indir_index + 1);
260 		break;
261 #endif	/* OPTi93X */
262 
263 	default:
264 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
265 	}
266 
267 	spin_unlock_irqrestore(&chip->lock, flags);
268 	return retval;
269 }
270 
271 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
272 			      unsigned char value)
273 {
274 	unsigned long flags;
275 
276 	spin_lock_irqsave(&chip->lock, flags);
277 	outb(chip->password, chip->mc_base + chip->pwd_reg);
278 
279 	switch (chip->hardware) {
280 #ifndef OPTi93X
281 	case OPTi9XX_HW_82C924:
282 	case OPTi9XX_HW_82C925:
283 		if (reg > 7) {
284 			outb(reg, chip->mc_base + 8);
285 			outb(chip->password, chip->mc_base + chip->pwd_reg);
286 			outb(value, chip->mc_base + 9);
287 			break;
288 		}
289 		fallthrough;
290 
291 	case OPTi9XX_HW_82C928:
292 	case OPTi9XX_HW_82C929:
293 		outb(value, chip->mc_base + reg);
294 		break;
295 #else	/* OPTi93X */
296 
297 	case OPTi9XX_HW_82C930:
298 	case OPTi9XX_HW_82C931:
299 	case OPTi9XX_HW_82C933:
300 		outb(reg, chip->mc_indir_index);
301 		outb(chip->password, chip->mc_base + chip->pwd_reg);
302 		outb(value, chip->mc_indir_index + 1);
303 		break;
304 #endif	/* OPTi93X */
305 
306 	default:
307 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
308 	}
309 
310 	spin_unlock_irqrestore(&chip->lock, flags);
311 }
312 
313 
314 static inline void snd_opti9xx_write_mask(struct snd_opti9xx *chip,
315 		unsigned char reg, unsigned char value, unsigned char mask)
316 {
317 	unsigned char oldval = snd_opti9xx_read(chip, reg);
318 
319 	snd_opti9xx_write(chip, reg, (oldval & ~mask) | (value & mask));
320 }
321 
322 static int snd_opti9xx_configure(struct snd_opti9xx *chip,
323 					   long port,
324 					   int irq, int dma1, int dma2,
325 					   long mpu_port, int mpu_irq)
326 {
327 	unsigned char wss_base_bits;
328 	unsigned char irq_bits;
329 	unsigned char dma_bits;
330 	unsigned char mpu_port_bits = 0;
331 	unsigned char mpu_irq_bits;
332 
333 	switch (chip->hardware) {
334 #ifndef OPTi93X
335 	case OPTi9XX_HW_82C924:
336 		/* opti 929 mode (?), OPL3 clock output, audio enable */
337 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
338 		/* enable wave audio */
339 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
340 		fallthrough;
341 
342 	case OPTi9XX_HW_82C925:
343 		/* enable WSS mode */
344 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
345 		/* OPL3 FM synthesis */
346 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
347 		/* disable Sound Blaster IRQ and DMA */
348 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
349 #ifdef CS4231
350 		/* cs4231/4248 fix enabled */
351 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
352 #else
353 		/* cs4231/4248 fix disabled */
354 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
355 #endif	/* CS4231 */
356 		break;
357 
358 	case OPTi9XX_HW_82C928:
359 	case OPTi9XX_HW_82C929:
360 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
361 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
362 		/*
363 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
364 		*/
365 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
366 #ifdef CS4231
367 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
368 #else
369 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
370 #endif	/* CS4231 */
371 		break;
372 
373 #else	/* OPTi93X */
374 	case OPTi9XX_HW_82C931:
375 		/* disable 3D sound (set GPIO1 as output, low) */
376 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
377 		fallthrough;
378 
379 	case OPTi9XX_HW_82C933:
380 		/*
381 		 * The BTC 1817DW has QS1000 wavetable which is connected
382 		 * to the serial digital input of the OPTI931.
383 		 */
384 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
385 		/*
386 		 * This bit sets OPTI931 to automaticaly select FM
387 		 * or digital input signal.
388 		 */
389 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
390 		fallthrough;
391 
392 	case OPTi9XX_HW_82C930:
393 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
394 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
395 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
396 			(chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
397 			0x34);
398 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
399 		break;
400 #endif	/* OPTi93X */
401 
402 	default:
403 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
404 		return -EINVAL;
405 	}
406 
407 	/* PnP resource says it decodes only 10 bits of address */
408 	switch (port & 0x3ff) {
409 	case 0x130:
410 		chip->wss_base = 0x530;
411 		wss_base_bits = 0x00;
412 		break;
413 	case 0x204:
414 		chip->wss_base = 0x604;
415 		wss_base_bits = 0x03;
416 		break;
417 	case 0x280:
418 		chip->wss_base = 0xe80;
419 		wss_base_bits = 0x01;
420 		break;
421 	case 0x340:
422 		chip->wss_base = 0xf40;
423 		wss_base_bits = 0x02;
424 		break;
425 	default:
426 		snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
427 		goto __skip_base;
428 	}
429 	snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
430 
431 __skip_base:
432 	switch (irq) {
433 //#ifdef OPTi93X
434 	case 5:
435 		irq_bits = 0x05;
436 		break;
437 //#endif	/* OPTi93X */
438 	case 7:
439 		irq_bits = 0x01;
440 		break;
441 	case 9:
442 		irq_bits = 0x02;
443 		break;
444 	case 10:
445 		irq_bits = 0x03;
446 		break;
447 	case 11:
448 		irq_bits = 0x04;
449 		break;
450 	default:
451 		snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
452 		goto __skip_resources;
453 	}
454 
455 	switch (dma1) {
456 	case 0:
457 		dma_bits = 0x01;
458 		break;
459 	case 1:
460 		dma_bits = 0x02;
461 		break;
462 	case 3:
463 		dma_bits = 0x03;
464 		break;
465 	default:
466 		snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
467 		goto __skip_resources;
468 	}
469 
470 #if defined(CS4231) || defined(OPTi93X)
471 	if (dma1 == dma2) {
472 		snd_printk(KERN_ERR "don't want to share dmas\n");
473 		return -EBUSY;
474 	}
475 
476 	switch (dma2) {
477 	case 0:
478 	case 1:
479 		break;
480 	default:
481 		snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
482 		goto __skip_resources;
483 	}
484 	dma_bits |= 0x04;
485 #endif	/* CS4231 || OPTi93X */
486 
487 #ifndef OPTi93X
488 	 outb(irq_bits << 3 | dma_bits, chip->wss_base);
489 #else /* OPTi93X */
490 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
491 #endif /* OPTi93X */
492 
493 __skip_resources:
494 	if (chip->hardware > OPTi9XX_HW_82C928) {
495 		switch (mpu_port) {
496 		case 0:
497 		case -1:
498 			break;
499 		case 0x300:
500 			mpu_port_bits = 0x03;
501 			break;
502 		case 0x310:
503 			mpu_port_bits = 0x02;
504 			break;
505 		case 0x320:
506 			mpu_port_bits = 0x01;
507 			break;
508 		case 0x330:
509 			mpu_port_bits = 0x00;
510 			break;
511 		default:
512 			snd_printk(KERN_WARNING
513 				   "MPU-401 port 0x%lx not valid\n", mpu_port);
514 			goto __skip_mpu;
515 		}
516 
517 		switch (mpu_irq) {
518 		case 5:
519 			mpu_irq_bits = 0x02;
520 			break;
521 		case 7:
522 			mpu_irq_bits = 0x03;
523 			break;
524 		case 9:
525 			mpu_irq_bits = 0x00;
526 			break;
527 		case 10:
528 			mpu_irq_bits = 0x01;
529 			break;
530 		default:
531 			snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
532 				mpu_irq);
533 			goto __skip_mpu;
534 		}
535 
536 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
537 			(mpu_port <= 0) ? 0x00 :
538 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
539 			0xf8);
540 	}
541 __skip_mpu:
542 
543 	return 0;
544 }
545 
546 #ifdef OPTi93X
547 
548 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
549 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
550 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
551 
552 static const struct snd_kcontrol_new snd_opti93x_controls[] = {
553 WSS_DOUBLE("Master Playback Switch", 0,
554 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
555 WSS_DOUBLE_TLV("Master Playback Volume", 0,
556 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
557 		db_scale_5bit_3db_step),
558 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
559 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
560 		db_scale_5bit),
561 WSS_DOUBLE_TLV("FM Playback Volume", 0,
562 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
563 		db_scale_4bit_12db_max),
564 WSS_DOUBLE("Line Playback Switch", 0,
565 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
566 WSS_DOUBLE_TLV("Line Playback Volume", 0,
567 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
568 		db_scale_4bit_12db_max),
569 WSS_DOUBLE("Mic Playback Switch", 0,
570 		OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
571 WSS_DOUBLE_TLV("Mic Playback Volume", 0,
572 		OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
573 		db_scale_4bit_12db_max),
574 WSS_DOUBLE_TLV("CD Playback Volume", 0,
575 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
576 		db_scale_4bit_12db_max),
577 WSS_DOUBLE("Aux Playback Switch", 0,
578 		OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
579 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
580 		OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
581 		db_scale_4bit_12db_max),
582 };
583 
584 static int snd_opti93x_mixer(struct snd_wss *chip)
585 {
586 	struct snd_card *card;
587 	unsigned int idx;
588 	struct snd_ctl_elem_id id1, id2;
589 	int err;
590 
591 	if (snd_BUG_ON(!chip || !chip->pcm))
592 		return -EINVAL;
593 
594 	card = chip->card;
595 
596 	strcpy(card->mixername, chip->pcm->name);
597 
598 	memset(&id1, 0, sizeof(id1));
599 	memset(&id2, 0, sizeof(id2));
600 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
601 	/* reassign AUX0 switch to CD */
602 	strcpy(id1.name, "Aux Playback Switch");
603 	strcpy(id2.name, "CD Playback Switch");
604 	err = snd_ctl_rename_id(card, &id1, &id2);
605 	if (err < 0) {
606 		snd_printk(KERN_ERR "Cannot rename opti93x control\n");
607 		return err;
608 	}
609 	/* reassign AUX1 switch to FM */
610 	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
611 	strcpy(id2.name, "FM Playback Switch");
612 	err = snd_ctl_rename_id(card, &id1, &id2);
613 	if (err < 0) {
614 		snd_printk(KERN_ERR "Cannot rename opti93x control\n");
615 		return err;
616 	}
617 	/* remove AUX1 volume */
618 	strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
619 	snd_ctl_remove_id(card, &id1);
620 
621 	/* Replace WSS volume controls with OPTi93x volume controls */
622 	id1.index = 0;
623 	for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
624 		strcpy(id1.name, snd_opti93x_controls[idx].name);
625 		snd_ctl_remove_id(card, &id1);
626 
627 		err = snd_ctl_add(card,
628 				snd_ctl_new1(&snd_opti93x_controls[idx], chip));
629 		if (err < 0)
630 			return err;
631 	}
632 	return 0;
633 }
634 
635 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
636 {
637 	struct snd_opti9xx *chip = dev_id;
638 	struct snd_wss *codec = chip->codec;
639 	unsigned char status;
640 
641 	if (!codec)
642 		return IRQ_HANDLED;
643 
644 	status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
645 	if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
646 		snd_pcm_period_elapsed(codec->playback_substream);
647 	if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
648 		snd_wss_overrange(codec);
649 		snd_pcm_period_elapsed(codec->capture_substream);
650 	}
651 	outb(0x00, OPTi93X_PORT(codec, STATUS));
652 	return IRQ_HANDLED;
653 }
654 
655 #endif /* OPTi93X */
656 
657 static int snd_opti9xx_read_check(struct snd_opti9xx *chip)
658 {
659 	unsigned char value;
660 #ifdef OPTi93X
661 	unsigned long flags;
662 #endif
663 
664 	chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
665 					   "OPTi9xx MC");
666 	if (chip->res_mc_base == NULL)
667 		return -EBUSY;
668 #ifndef OPTi93X
669 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
670 	if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
671 		if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
672 			return 0;
673 #else	/* OPTi93X */
674 	chip->res_mc_indir = request_region(chip->mc_indir_index, 2,
675 					    "OPTi93x MC");
676 	if (chip->res_mc_indir == NULL)
677 		return -EBUSY;
678 
679 	spin_lock_irqsave(&chip->lock, flags);
680 	outb(chip->password, chip->mc_base + chip->pwd_reg);
681 	outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
682 	spin_unlock_irqrestore(&chip->lock, flags);
683 
684 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
685 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
686 	if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
687 		return 0;
688 
689 	release_and_free_resource(chip->res_mc_indir);
690 	chip->res_mc_indir = NULL;
691 #endif	/* OPTi93X */
692 	release_and_free_resource(chip->res_mc_base);
693 	chip->res_mc_base = NULL;
694 
695 	return -ENODEV;
696 }
697 
698 static int snd_card_opti9xx_detect(struct snd_card *card,
699 				   struct snd_opti9xx *chip)
700 {
701 	int i, err;
702 
703 #ifndef OPTi93X
704 	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
705 #else
706 	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
707 #endif
708 		err = snd_opti9xx_init(chip, i);
709 		if (err < 0)
710 			return err;
711 
712 		err = snd_opti9xx_read_check(chip);
713 		if (err == 0)
714 			return 1;
715 #ifdef OPTi93X
716 		chip->mc_indir_index = 0;
717 #endif
718 	}
719 	return -ENODEV;
720 }
721 
722 #ifdef CONFIG_PNP
723 static int snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
724 				struct pnp_card_link *card,
725 				const struct pnp_card_device_id *pid)
726 {
727 	struct pnp_dev *pdev;
728 	int err;
729 	struct pnp_dev *devmpu;
730 #ifndef OPTi93X
731 	struct pnp_dev *devmc;
732 #endif
733 
734 	pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
735 	if (pdev == NULL)
736 		return -EBUSY;
737 
738 	err = pnp_activate_dev(pdev);
739 	if (err < 0) {
740 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
741 		return err;
742 	}
743 
744 #ifdef OPTi93X
745 	port = pnp_port_start(pdev, 0) - 4;
746 	fm_port = pnp_port_start(pdev, 1) + 8;
747 	/* adjust mc_indir_index - some cards report it at 0xe?d,
748 	   other at 0xe?c but it really is always at 0xe?e */
749 	chip->mc_indir_index = (pnp_port_start(pdev, 3) & ~0xf) | 0xe;
750 #else
751 	devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
752 	if (devmc == NULL)
753 		return -EBUSY;
754 
755 	err = pnp_activate_dev(devmc);
756 	if (err < 0) {
757 		snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
758 		return err;
759 	}
760 
761 	port = pnp_port_start(pdev, 1);
762 	fm_port = pnp_port_start(pdev, 2) + 8;
763 	/*
764 	 * The MC(0) is never accessed and card does not
765 	 * include it in the PnP resource range. OPTI93x include it.
766 	 */
767 	chip->mc_base = pnp_port_start(devmc, 0) - 1;
768 	chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
769 #endif	/* OPTi93X */
770 	irq = pnp_irq(pdev, 0);
771 	dma1 = pnp_dma(pdev, 0);
772 #if defined(CS4231) || defined(OPTi93X)
773 	dma2 = pnp_dma(pdev, 1);
774 #endif	/* CS4231 || OPTi93X */
775 
776 	devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
777 
778 	if (devmpu && mpu_port > 0) {
779 		err = pnp_activate_dev(devmpu);
780 		if (err < 0) {
781 			snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
782 			mpu_port = -1;
783 		} else {
784 			mpu_port = pnp_port_start(devmpu, 0);
785 			mpu_irq = pnp_irq(devmpu, 0);
786 		}
787 	}
788 	return pid->driver_data;
789 }
790 #endif	/* CONFIG_PNP */
791 
792 static void snd_card_opti9xx_free(struct snd_card *card)
793 {
794 	struct snd_opti9xx *chip = card->private_data;
795 
796 	if (chip) {
797 #ifdef OPTi93X
798 		if (chip->irq > 0) {
799 			disable_irq(chip->irq);
800 			free_irq(chip->irq, chip);
801 		}
802 		release_and_free_resource(chip->res_mc_indir);
803 #endif
804 		release_and_free_resource(chip->res_mc_base);
805 	}
806 }
807 
808 static int snd_opti9xx_probe(struct snd_card *card)
809 {
810 	static const long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
811 	int error;
812 	int xdma2;
813 	struct snd_opti9xx *chip = card->private_data;
814 	struct snd_wss *codec;
815 	struct snd_rawmidi *rmidi;
816 	struct snd_hwdep *synth;
817 
818 #if defined(CS4231) || defined(OPTi93X)
819 	xdma2 = dma2;
820 #else
821 	xdma2 = -1;
822 #endif
823 
824 	if (port == SNDRV_AUTO_PORT) {
825 		port = snd_legacy_find_free_ioport(possible_ports, 4);
826 		if (port < 0) {
827 			snd_printk(KERN_ERR "unable to find a free WSS port\n");
828 			return -EBUSY;
829 		}
830 	}
831 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
832 				      mpu_port, mpu_irq);
833 	if (error)
834 		return error;
835 
836 	error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
837 #ifdef OPTi93X
838 			       WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
839 #else
840 			       WSS_HW_DETECT, 0,
841 #endif
842 			       &codec);
843 	if (error < 0)
844 		return error;
845 	chip->codec = codec;
846 	error = snd_wss_pcm(codec, 0);
847 	if (error < 0)
848 		return error;
849 	error = snd_wss_mixer(codec);
850 	if (error < 0)
851 		return error;
852 #ifdef OPTi93X
853 	error = snd_opti93x_mixer(codec);
854 	if (error < 0)
855 		return error;
856 #endif
857 #ifdef CS4231
858 	error = snd_wss_timer(codec, 0);
859 	if (error < 0)
860 		return error;
861 #endif
862 #ifdef OPTi93X
863 	error = request_irq(irq, snd_opti93x_interrupt,
864 			    0, DEV_NAME" - WSS", chip);
865 	if (error < 0) {
866 		snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
867 		return error;
868 	}
869 #endif
870 	chip->irq = irq;
871 	card->sync_irq = chip->irq;
872 	strcpy(card->driver, chip->name);
873 	sprintf(card->shortname, "OPTi %s", card->driver);
874 #if defined(CS4231) || defined(OPTi93X)
875 	snprintf(card->longname, sizeof(card->longname),
876 		 "%s, %s at 0x%lx, irq %d, dma %d&%d",
877 		 card->shortname, codec->pcm->name,
878 		 chip->wss_base + 4, irq, dma1, xdma2);
879 #else
880 	snprintf(card->longname, sizeof(card->longname),
881 		 "%s, %s at 0x%lx, irq %d, dma %d",
882 		 card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
883 		 dma1);
884 #endif	/* CS4231 || OPTi93X */
885 
886 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
887 		rmidi = NULL;
888 	else {
889 		error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
890 				mpu_port, 0, mpu_irq, &rmidi);
891 		if (error)
892 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
893 				   mpu_port);
894 	}
895 
896 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
897 		struct snd_opl3 *opl3 = NULL;
898 #ifndef OPTi93X
899 		if (chip->hardware == OPTi9XX_HW_82C928 ||
900 		    chip->hardware == OPTi9XX_HW_82C929 ||
901 		    chip->hardware == OPTi9XX_HW_82C924) {
902 			struct snd_opl4 *opl4;
903 			/* assume we have an OPL4 */
904 			snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
905 					       0x20, 0x20);
906 			if (snd_opl4_create(card, fm_port, fm_port - 8,
907 					    2, &opl3, &opl4) < 0) {
908 				/* no luck, use OPL3 instead */
909 				snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
910 						       0x00, 0x20);
911 			}
912 		}
913 #endif	/* !OPTi93X */
914 		if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
915 					     OPL3_HW_AUTO, 0, &opl3) < 0) {
916 			snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
917 				   fm_port, fm_port + 4 - 1);
918 		}
919 		if (opl3) {
920 			error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
921 			if (error < 0)
922 				return error;
923 		}
924 	}
925 
926 	return snd_card_register(card);
927 }
928 
929 static int snd_opti9xx_card_new(struct device *pdev, struct snd_card **cardp)
930 {
931 	struct snd_card *card;
932 	int err;
933 
934 	err = snd_card_new(pdev, index, id, THIS_MODULE,
935 			   sizeof(struct snd_opti9xx), &card);
936 	if (err < 0)
937 		return err;
938 	card->private_free = snd_card_opti9xx_free;
939 	*cardp = card;
940 	return 0;
941 }
942 
943 static int snd_opti9xx_isa_match(struct device *devptr,
944 				 unsigned int dev)
945 {
946 #ifdef CONFIG_PNP
947 	if (snd_opti9xx_pnp_is_probed)
948 		return 0;
949 	if (isapnp)
950 		return 0;
951 #endif
952 	return 1;
953 }
954 
955 static int snd_opti9xx_isa_probe(struct device *devptr,
956 				 unsigned int dev)
957 {
958 	struct snd_card *card;
959 	int error;
960 	static const long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
961 #ifdef OPTi93X
962 	static const int possible_irqs[] = {5, 9, 10, 11, 7, -1};
963 #else
964 	static const int possible_irqs[] = {9, 10, 11, 7, -1};
965 #endif	/* OPTi93X */
966 	static const int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
967 	static const int possible_dma1s[] = {3, 1, 0, -1};
968 #if defined(CS4231) || defined(OPTi93X)
969 	static const int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
970 #endif	/* CS4231 || OPTi93X */
971 
972 	if (mpu_port == SNDRV_AUTO_PORT) {
973 		if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
974 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
975 			return -EBUSY;
976 		}
977 	}
978 	if (irq == SNDRV_AUTO_IRQ) {
979 		if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
980 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
981 			return -EBUSY;
982 		}
983 	}
984 	if (mpu_irq == SNDRV_AUTO_IRQ) {
985 		if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
986 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
987 			return -EBUSY;
988 		}
989 	}
990 	if (dma1 == SNDRV_AUTO_DMA) {
991 		if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
992 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
993 			return -EBUSY;
994 		}
995 	}
996 #if defined(CS4231) || defined(OPTi93X)
997 	if (dma2 == SNDRV_AUTO_DMA) {
998 		if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
999 			snd_printk(KERN_ERR "unable to find a free DMA2\n");
1000 			return -EBUSY;
1001 		}
1002 	}
1003 #endif
1004 
1005 	error = snd_opti9xx_card_new(devptr, &card);
1006 	if (error < 0)
1007 		return error;
1008 
1009 	if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1010 		snd_card_free(card);
1011 		return error;
1012 	}
1013 	if ((error = snd_opti9xx_probe(card)) < 0) {
1014 		snd_card_free(card);
1015 		return error;
1016 	}
1017 	dev_set_drvdata(devptr, card);
1018 	return 0;
1019 }
1020 
1021 static void snd_opti9xx_isa_remove(struct device *devptr,
1022 				   unsigned int dev)
1023 {
1024 	snd_card_free(dev_get_drvdata(devptr));
1025 }
1026 
1027 #ifdef CONFIG_PM
1028 static int snd_opti9xx_suspend(struct snd_card *card)
1029 {
1030 	struct snd_opti9xx *chip = card->private_data;
1031 
1032 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1033 	chip->codec->suspend(chip->codec);
1034 	return 0;
1035 }
1036 
1037 static int snd_opti9xx_resume(struct snd_card *card)
1038 {
1039 	struct snd_opti9xx *chip = card->private_data;
1040 	int error, xdma2;
1041 #if defined(CS4231) || defined(OPTi93X)
1042 	xdma2 = dma2;
1043 #else
1044 	xdma2 = -1;
1045 #endif
1046 
1047 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
1048 				      mpu_port, mpu_irq);
1049 	if (error)
1050 		return error;
1051 	chip->codec->resume(chip->codec);
1052 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1053 	return 0;
1054 }
1055 
1056 static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n,
1057 				   pm_message_t state)
1058 {
1059 	return snd_opti9xx_suspend(dev_get_drvdata(dev));
1060 }
1061 
1062 static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n)
1063 {
1064 	return snd_opti9xx_resume(dev_get_drvdata(dev));
1065 }
1066 #endif
1067 
1068 static struct isa_driver snd_opti9xx_driver = {
1069 	.match		= snd_opti9xx_isa_match,
1070 	.probe		= snd_opti9xx_isa_probe,
1071 	.remove		= snd_opti9xx_isa_remove,
1072 #ifdef CONFIG_PM
1073 	.suspend	= snd_opti9xx_isa_suspend,
1074 	.resume		= snd_opti9xx_isa_resume,
1075 #endif
1076 	.driver		= {
1077 		.name	= DEV_NAME
1078 	},
1079 };
1080 
1081 #ifdef CONFIG_PNP
1082 static int snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1083 				 const struct pnp_card_device_id *pid)
1084 {
1085 	struct snd_card *card;
1086 	int error, hw;
1087 	struct snd_opti9xx *chip;
1088 
1089 	if (snd_opti9xx_pnp_is_probed)
1090 		return -EBUSY;
1091 	if (! isapnp)
1092 		return -ENODEV;
1093 	error = snd_opti9xx_card_new(&pcard->card->dev, &card);
1094 	if (error < 0)
1095 		return error;
1096 	chip = card->private_data;
1097 
1098 	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1099 	switch (hw) {
1100 	case 0x0924:
1101 		hw = OPTi9XX_HW_82C924;
1102 		break;
1103 	case 0x0925:
1104 		hw = OPTi9XX_HW_82C925;
1105 		break;
1106 	case 0x0931:
1107 		hw = OPTi9XX_HW_82C931;
1108 		break;
1109 	default:
1110 		snd_card_free(card);
1111 		return -ENODEV;
1112 	}
1113 
1114 	if ((error = snd_opti9xx_init(chip, hw))) {
1115 		snd_card_free(card);
1116 		return error;
1117 	}
1118 	error = snd_opti9xx_read_check(chip);
1119 	if (error) {
1120 		snd_printk(KERN_ERR "OPTI chip not found\n");
1121 		snd_card_free(card);
1122 		return error;
1123 	}
1124 	if ((error = snd_opti9xx_probe(card)) < 0) {
1125 		snd_card_free(card);
1126 		return error;
1127 	}
1128 	pnp_set_card_drvdata(pcard, card);
1129 	snd_opti9xx_pnp_is_probed = 1;
1130 	return 0;
1131 }
1132 
1133 static void snd_opti9xx_pnp_remove(struct pnp_card_link *pcard)
1134 {
1135 	snd_card_free(pnp_get_card_drvdata(pcard));
1136 	pnp_set_card_drvdata(pcard, NULL);
1137 	snd_opti9xx_pnp_is_probed = 0;
1138 }
1139 
1140 #ifdef CONFIG_PM
1141 static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard,
1142 				   pm_message_t state)
1143 {
1144 	return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard));
1145 }
1146 
1147 static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
1148 {
1149 	return snd_opti9xx_resume(pnp_get_card_drvdata(pcard));
1150 }
1151 #endif
1152 
1153 static struct pnp_card_driver opti9xx_pnpc_driver = {
1154 	.flags		= PNP_DRIVER_RES_DISABLE,
1155 	.name		= DEV_NAME,
1156 	.id_table	= snd_opti9xx_pnpids,
1157 	.probe		= snd_opti9xx_pnp_probe,
1158 	.remove		= snd_opti9xx_pnp_remove,
1159 #ifdef CONFIG_PM
1160 	.suspend	= snd_opti9xx_pnp_suspend,
1161 	.resume		= snd_opti9xx_pnp_resume,
1162 #endif
1163 };
1164 #endif
1165 
1166 #ifdef OPTi93X
1167 #define CHIP_NAME	"82C93x"
1168 #else
1169 #define CHIP_NAME	"82C92x"
1170 #endif
1171 
1172 static int __init alsa_card_opti9xx_init(void)
1173 {
1174 #ifdef CONFIG_PNP
1175 	pnp_register_card_driver(&opti9xx_pnpc_driver);
1176 	if (snd_opti9xx_pnp_is_probed)
1177 		return 0;
1178 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1179 #endif
1180 	return isa_register_driver(&snd_opti9xx_driver, 1);
1181 }
1182 
1183 static void __exit alsa_card_opti9xx_exit(void)
1184 {
1185 	if (!snd_opti9xx_pnp_is_probed) {
1186 		isa_unregister_driver(&snd_opti9xx_driver);
1187 		return;
1188 	}
1189 #ifdef CONFIG_PNP
1190 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1191 #endif
1192 }
1193 
1194 module_init(alsa_card_opti9xx_init)
1195 module_exit(alsa_card_opti9xx_exit)
1196