xref: /linux/sound/isa/opti9xx/opti92x-ad1848.c (revision bb9ae1a66c85eeb626864efd812c62026e126ec0)
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 	struct snd_card *card;
113 	unsigned short hardware;
114 	unsigned char password;
115 	char name[7];
116 
117 	unsigned long mc_base;
118 	struct resource *res_mc_base;
119 	unsigned long mc_base_size;
120 #ifdef OPTi93X
121 	unsigned long mc_indir_index;
122 	struct resource *res_mc_indir;
123 #endif	/* OPTi93X */
124 	struct snd_wss *codec;
125 	unsigned long pwd_reg;
126 
127 	spinlock_t lock;
128 
129 	long wss_base;
130 	int irq;
131 };
132 
133 static int snd_opti9xx_pnp_is_probed;
134 
135 #ifdef CONFIG_PNP
136 
137 static const struct pnp_card_device_id snd_opti9xx_pnpids[] = {
138 #ifndef OPTi93X
139 	/* OPTi 82C924 */
140 	{ .id = "OPT0924",
141 	  .devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
142 	  .driver_data = 0x0924 },
143 	/* OPTi 82C925 */
144 	{ .id = "OPT0925",
145 	  .devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
146 	  .driver_data = 0x0925 },
147 #else
148 	/* OPTi 82C931/3 */
149 	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
150 	  .driver_data = 0x0931 },
151 #endif	/* OPTi93X */
152 	{ .id = "" }
153 };
154 
155 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
156 
157 #endif	/* CONFIG_PNP */
158 
159 #define DEV_NAME KBUILD_MODNAME
160 
161 static const char * const snd_opti9xx_names[] = {
162 	"unknown",
163 	"82C928",	"82C929",
164 	"82C924",	"82C925",
165 	"82C930",	"82C931",	"82C933"
166 };
167 
168 static int snd_opti9xx_init(struct snd_opti9xx *chip,
169 			    unsigned short hardware)
170 {
171 	static const int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
172 
173 	chip->hardware = hardware;
174 	strcpy(chip->name, snd_opti9xx_names[hardware]);
175 
176 	spin_lock_init(&chip->lock);
177 
178 	chip->irq = -1;
179 
180 #ifndef OPTi93X
181 #ifdef CONFIG_PNP
182 	if (isapnp && chip->mc_base)
183 		/* PnP resource gives the least 10 bits */
184 		chip->mc_base |= 0xc00;
185 	else
186 #endif	/* CONFIG_PNP */
187 	{
188 		chip->mc_base = 0xf8c;
189 		chip->mc_base_size = opti9xx_mc_size[hardware];
190 	}
191 #else
192 		chip->mc_base_size = opti9xx_mc_size[hardware];
193 #endif
194 
195 	switch (hardware) {
196 #ifndef OPTi93X
197 	case OPTi9XX_HW_82C928:
198 	case OPTi9XX_HW_82C929:
199 		chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
200 		chip->pwd_reg = 3;
201 		break;
202 
203 	case OPTi9XX_HW_82C924:
204 	case OPTi9XX_HW_82C925:
205 		chip->password = 0xe5;
206 		chip->pwd_reg = 3;
207 		break;
208 #else	/* OPTi93X */
209 
210 	case OPTi9XX_HW_82C930:
211 	case OPTi9XX_HW_82C931:
212 	case OPTi9XX_HW_82C933:
213 		chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
214 		if (!chip->mc_indir_index)
215 			chip->mc_indir_index = 0xe0e;
216 		chip->password = 0xe4;
217 		chip->pwd_reg = 0;
218 		break;
219 #endif	/* OPTi93X */
220 
221 	default:
222 		dev_err(chip->card->dev, "chip %d not supported\n", hardware);
223 		return -ENODEV;
224 	}
225 	return 0;
226 }
227 
228 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
229 				      unsigned char reg)
230 {
231 	unsigned long flags;
232 	unsigned char retval = 0xff;
233 
234 	spin_lock_irqsave(&chip->lock, flags);
235 	outb(chip->password, chip->mc_base + chip->pwd_reg);
236 
237 	switch (chip->hardware) {
238 #ifndef OPTi93X
239 	case OPTi9XX_HW_82C924:
240 	case OPTi9XX_HW_82C925:
241 		if (reg > 7) {
242 			outb(reg, chip->mc_base + 8);
243 			outb(chip->password, chip->mc_base + chip->pwd_reg);
244 			retval = inb(chip->mc_base + 9);
245 			break;
246 		}
247 		fallthrough;
248 
249 	case OPTi9XX_HW_82C928:
250 	case OPTi9XX_HW_82C929:
251 		retval = inb(chip->mc_base + reg);
252 		break;
253 #else	/* OPTi93X */
254 
255 	case OPTi9XX_HW_82C930:
256 	case OPTi9XX_HW_82C931:
257 	case OPTi9XX_HW_82C933:
258 		outb(reg, chip->mc_indir_index);
259 		outb(chip->password, chip->mc_base + chip->pwd_reg);
260 		retval = inb(chip->mc_indir_index + 1);
261 		break;
262 #endif	/* OPTi93X */
263 
264 	default:
265 		dev_err(chip->card->dev, "chip %d not supported\n", chip->hardware);
266 	}
267 
268 	spin_unlock_irqrestore(&chip->lock, flags);
269 	return retval;
270 }
271 
272 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
273 			      unsigned char value)
274 {
275 	unsigned long flags;
276 
277 	spin_lock_irqsave(&chip->lock, flags);
278 	outb(chip->password, chip->mc_base + chip->pwd_reg);
279 
280 	switch (chip->hardware) {
281 #ifndef OPTi93X
282 	case OPTi9XX_HW_82C924:
283 	case OPTi9XX_HW_82C925:
284 		if (reg > 7) {
285 			outb(reg, chip->mc_base + 8);
286 			outb(chip->password, chip->mc_base + chip->pwd_reg);
287 			outb(value, chip->mc_base + 9);
288 			break;
289 		}
290 		fallthrough;
291 
292 	case OPTi9XX_HW_82C928:
293 	case OPTi9XX_HW_82C929:
294 		outb(value, chip->mc_base + reg);
295 		break;
296 #else	/* OPTi93X */
297 
298 	case OPTi9XX_HW_82C930:
299 	case OPTi9XX_HW_82C931:
300 	case OPTi9XX_HW_82C933:
301 		outb(reg, chip->mc_indir_index);
302 		outb(chip->password, chip->mc_base + chip->pwd_reg);
303 		outb(value, chip->mc_indir_index + 1);
304 		break;
305 #endif	/* OPTi93X */
306 
307 	default:
308 		dev_err(chip->card->dev, "chip %d not supported\n", chip->hardware);
309 	}
310 
311 	spin_unlock_irqrestore(&chip->lock, flags);
312 }
313 
314 
315 static inline void snd_opti9xx_write_mask(struct snd_opti9xx *chip,
316 		unsigned char reg, unsigned char value, unsigned char mask)
317 {
318 	unsigned char oldval = snd_opti9xx_read(chip, reg);
319 
320 	snd_opti9xx_write(chip, reg, (oldval & ~mask) | (value & mask));
321 }
322 
323 static int snd_opti9xx_configure(struct snd_opti9xx *chip,
324 					   long port,
325 					   int irq, int dma1, int dma2,
326 					   long mpu_port, int mpu_irq)
327 {
328 	unsigned char wss_base_bits;
329 	unsigned char irq_bits;
330 	unsigned char dma_bits;
331 	unsigned char mpu_port_bits = 0;
332 	unsigned char mpu_irq_bits;
333 
334 	switch (chip->hardware) {
335 #ifndef OPTi93X
336 	case OPTi9XX_HW_82C924:
337 		/* opti 929 mode (?), OPL3 clock output, audio enable */
338 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
339 		/* enable wave audio */
340 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
341 		fallthrough;
342 
343 	case OPTi9XX_HW_82C925:
344 		/* enable WSS mode */
345 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
346 		/* OPL3 FM synthesis */
347 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
348 		/* disable Sound Blaster IRQ and DMA */
349 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
350 #ifdef CS4231
351 		/* cs4231/4248 fix enabled */
352 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
353 #else
354 		/* cs4231/4248 fix disabled */
355 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
356 #endif	/* CS4231 */
357 		break;
358 
359 	case OPTi9XX_HW_82C928:
360 	case OPTi9XX_HW_82C929:
361 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
362 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
363 		/*
364 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
365 		*/
366 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
367 #ifdef CS4231
368 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
369 #else
370 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
371 #endif	/* CS4231 */
372 		break;
373 
374 #else	/* OPTi93X */
375 	case OPTi9XX_HW_82C931:
376 		/* disable 3D sound (set GPIO1 as output, low) */
377 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
378 		fallthrough;
379 
380 	case OPTi9XX_HW_82C933:
381 		/*
382 		 * The BTC 1817DW has QS1000 wavetable which is connected
383 		 * to the serial digital input of the OPTI931.
384 		 */
385 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
386 		/*
387 		 * This bit sets OPTI931 to automaticaly select FM
388 		 * or digital input signal.
389 		 */
390 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
391 		fallthrough;
392 
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 		dev_err(chip->card->dev, "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 		dev_warn(chip->card->dev, "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 		dev_warn(chip->card->dev, "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 		dev_warn(chip->card->dev, "WSS dma1 # %d not valid\n", dma1);
468 		goto __skip_resources;
469 	}
470 
471 #if defined(CS4231) || defined(OPTi93X)
472 	if (dma1 == dma2) {
473 		dev_err(chip->card->dev, "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 		dev_warn(chip->card->dev, "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 			dev_warn(chip->card->dev,
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 			dev_warn(chip->card->dev, "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 		dev_err(card->dev, "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 		dev_err(card->dev, "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_card *card,
659 				  struct snd_opti9xx *chip)
660 {
661 	unsigned char value;
662 #ifdef OPTi93X
663 	unsigned long flags;
664 #endif
665 
666 	chip->res_mc_base =
667 		devm_request_region(card->dev, chip->mc_base,
668 				    chip->mc_base_size, "OPTi9xx MC");
669 	if (!chip->res_mc_base)
670 		return -EBUSY;
671 #ifndef OPTi93X
672 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
673 	if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
674 		if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
675 			return 0;
676 #else	/* OPTi93X */
677 	chip->res_mc_indir =
678 		devm_request_region(card->dev, chip->mc_indir_index, 2,
679 				    "OPTi93x MC");
680 	if (!chip->res_mc_indir)
681 		return -EBUSY;
682 
683 	spin_lock_irqsave(&chip->lock, flags);
684 	outb(chip->password, chip->mc_base + chip->pwd_reg);
685 	outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
686 	spin_unlock_irqrestore(&chip->lock, flags);
687 
688 	value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
689 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
690 	if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
691 		return 0;
692 
693 	devm_release_resource(card->dev, chip->res_mc_indir);
694 	chip->res_mc_indir = NULL;
695 #endif	/* OPTi93X */
696 	devm_release_resource(card->dev, chip->res_mc_base);
697 	chip->res_mc_base = NULL;
698 
699 	return -ENODEV;
700 }
701 
702 static int snd_card_opti9xx_detect(struct snd_card *card,
703 				   struct snd_opti9xx *chip)
704 {
705 	int i, err;
706 
707 #ifndef OPTi93X
708 	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
709 #else
710 	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
711 #endif
712 		err = snd_opti9xx_init(chip, i);
713 		if (err < 0)
714 			return err;
715 
716 		err = snd_opti9xx_read_check(card, chip);
717 		if (err == 0)
718 			return 1;
719 #ifdef OPTi93X
720 		chip->mc_indir_index = 0;
721 #endif
722 	}
723 	return -ENODEV;
724 }
725 
726 #ifdef CONFIG_PNP
727 static int snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
728 				struct pnp_card_link *card,
729 				const struct pnp_card_device_id *pid)
730 {
731 	struct pnp_dev *pdev;
732 	int err;
733 	struct pnp_dev *devmpu;
734 #ifndef OPTi93X
735 	struct pnp_dev *devmc;
736 #endif
737 
738 	pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
739 	if (pdev == NULL)
740 		return -EBUSY;
741 
742 	err = pnp_activate_dev(pdev);
743 	if (err < 0) {
744 		dev_err(chip->card->dev, "AUDIO pnp configure failure: %d\n", err);
745 		return err;
746 	}
747 
748 #ifdef OPTi93X
749 	port = pnp_port_start(pdev, 0) - 4;
750 	fm_port = pnp_port_start(pdev, 1) + 8;
751 	/* adjust mc_indir_index - some cards report it at 0xe?d,
752 	   other at 0xe?c but it really is always at 0xe?e */
753 	chip->mc_indir_index = (pnp_port_start(pdev, 3) & ~0xf) | 0xe;
754 #else
755 	devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
756 	if (devmc == NULL)
757 		return -EBUSY;
758 
759 	err = pnp_activate_dev(devmc);
760 	if (err < 0) {
761 		dev_err(chip->card->dev, "MC pnp configure failure: %d\n", err);
762 		return err;
763 	}
764 
765 	port = pnp_port_start(pdev, 1);
766 	fm_port = pnp_port_start(pdev, 2) + 8;
767 	/*
768 	 * The MC(0) is never accessed and card does not
769 	 * include it in the PnP resource range. OPTI93x include it.
770 	 */
771 	chip->mc_base = pnp_port_start(devmc, 0) - 1;
772 	chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
773 #endif	/* OPTi93X */
774 	irq = pnp_irq(pdev, 0);
775 	dma1 = pnp_dma(pdev, 0);
776 #if defined(CS4231) || defined(OPTi93X)
777 	dma2 = pnp_dma(pdev, 1);
778 #endif	/* CS4231 || OPTi93X */
779 
780 	devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
781 
782 	if (devmpu && mpu_port > 0) {
783 		err = pnp_activate_dev(devmpu);
784 		if (err < 0) {
785 			dev_err(chip->card->dev, "MPU401 pnp configure failure\n");
786 			mpu_port = -1;
787 		} else {
788 			mpu_port = pnp_port_start(devmpu, 0);
789 			mpu_irq = pnp_irq(devmpu, 0);
790 		}
791 	}
792 	return pid->driver_data;
793 }
794 #endif	/* CONFIG_PNP */
795 
796 static int snd_opti9xx_probe(struct snd_card *card)
797 {
798 	static const long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
799 	int error;
800 	int xdma2;
801 	struct snd_opti9xx *chip = card->private_data;
802 	struct snd_wss *codec;
803 	struct snd_rawmidi *rmidi;
804 	struct snd_hwdep *synth;
805 
806 #if defined(CS4231) || defined(OPTi93X)
807 	xdma2 = dma2;
808 #else
809 	xdma2 = -1;
810 #endif
811 
812 	if (port == SNDRV_AUTO_PORT) {
813 		port = snd_legacy_find_free_ioport(possible_ports, 4);
814 		if (port < 0) {
815 			dev_err(card->dev, "unable to find a free WSS port\n");
816 			return -EBUSY;
817 		}
818 	}
819 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
820 				      mpu_port, mpu_irq);
821 	if (error)
822 		return error;
823 
824 	error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
825 #ifdef OPTi93X
826 			       WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
827 #else
828 			       WSS_HW_DETECT, 0,
829 #endif
830 			       &codec);
831 	if (error < 0)
832 		return error;
833 	chip->codec = codec;
834 	error = snd_wss_pcm(codec, 0);
835 	if (error < 0)
836 		return error;
837 	error = snd_wss_mixer(codec);
838 	if (error < 0)
839 		return error;
840 #ifdef OPTi93X
841 	error = snd_opti93x_mixer(codec);
842 	if (error < 0)
843 		return error;
844 #endif
845 #ifdef CS4231
846 	error = snd_wss_timer(codec, 0);
847 	if (error < 0)
848 		return error;
849 #endif
850 #ifdef OPTi93X
851 	error = devm_request_irq(card->dev, irq, snd_opti93x_interrupt,
852 				 0, DEV_NAME" - WSS", chip);
853 	if (error < 0) {
854 		dev_err(card->dev, "opti9xx: can't grab IRQ %d\n", irq);
855 		return error;
856 	}
857 #endif
858 	chip->irq = irq;
859 	card->sync_irq = chip->irq;
860 	strcpy(card->driver, chip->name);
861 	sprintf(card->shortname, "OPTi %s", card->driver);
862 #if defined(CS4231) || defined(OPTi93X)
863 	scnprintf(card->longname, sizeof(card->longname),
864 		  "%s, %s at 0x%lx, irq %d, dma %d&%d",
865 		  card->shortname, codec->pcm->name,
866 		  chip->wss_base + 4, irq, dma1, xdma2);
867 #else
868 	scnprintf(card->longname, sizeof(card->longname),
869 		  "%s, %s at 0x%lx, irq %d, dma %d",
870 		  card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
871 		  dma1);
872 #endif	/* CS4231 || OPTi93X */
873 
874 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
875 		rmidi = NULL;
876 	else {
877 		error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
878 				mpu_port, 0, mpu_irq, &rmidi);
879 		if (error)
880 			dev_warn(card->dev, "no MPU-401 device at 0x%lx?\n",
881 				 mpu_port);
882 	}
883 
884 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
885 		struct snd_opl3 *opl3 = NULL;
886 #ifndef OPTi93X
887 		if (chip->hardware == OPTi9XX_HW_82C928 ||
888 		    chip->hardware == OPTi9XX_HW_82C929 ||
889 		    chip->hardware == OPTi9XX_HW_82C924) {
890 			struct snd_opl4 *opl4;
891 			/* assume we have an OPL4 */
892 			snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
893 					       0x20, 0x20);
894 			if (snd_opl4_create(card, fm_port, fm_port - 8,
895 					    2, &opl3, &opl4) < 0) {
896 				/* no luck, use OPL3 instead */
897 				snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
898 						       0x00, 0x20);
899 			}
900 		}
901 #endif	/* !OPTi93X */
902 		if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
903 					     OPL3_HW_AUTO, 0, &opl3) < 0) {
904 			dev_warn(card->dev, "no OPL device at 0x%lx-0x%lx\n",
905 				 fm_port, fm_port + 4 - 1);
906 		}
907 		if (opl3) {
908 			error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
909 			if (error < 0)
910 				return error;
911 		}
912 	}
913 
914 	return snd_card_register(card);
915 }
916 
917 static int snd_opti9xx_card_new(struct device *pdev, struct snd_card **cardp)
918 {
919 	struct snd_card *card;
920 	int err;
921 
922 	err = snd_devm_card_new(pdev, index, id, THIS_MODULE,
923 				sizeof(struct snd_opti9xx), &card);
924 	if (err < 0)
925 		return err;
926 	*cardp = card;
927 	return 0;
928 }
929 
930 static int snd_opti9xx_isa_match(struct device *devptr,
931 				 unsigned int dev)
932 {
933 #ifdef CONFIG_PNP
934 	if (snd_opti9xx_pnp_is_probed)
935 		return 0;
936 	if (isapnp)
937 		return 0;
938 #endif
939 	return 1;
940 }
941 
942 static int snd_opti9xx_isa_probe(struct device *devptr,
943 				 unsigned int dev)
944 {
945 	struct snd_card *card;
946 	int error;
947 	static const long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
948 #ifdef OPTi93X
949 	static const int possible_irqs[] = {5, 9, 10, 11, 7, -1};
950 #else
951 	static const int possible_irqs[] = {9, 10, 11, 7, -1};
952 #endif	/* OPTi93X */
953 	static const int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
954 	static const int possible_dma1s[] = {3, 1, 0, -1};
955 #if defined(CS4231) || defined(OPTi93X)
956 	static const int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
957 #endif	/* CS4231 || OPTi93X */
958 
959 	if (mpu_port == SNDRV_AUTO_PORT) {
960 		mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2);
961 		if (mpu_port < 0) {
962 			dev_err(devptr, "unable to find a free MPU401 port\n");
963 			return -EBUSY;
964 		}
965 	}
966 	if (irq == SNDRV_AUTO_IRQ) {
967 		irq = snd_legacy_find_free_irq(possible_irqs);
968 		if (irq < 0) {
969 			dev_err(devptr, "unable to find a free IRQ\n");
970 			return -EBUSY;
971 		}
972 	}
973 	if (mpu_irq == SNDRV_AUTO_IRQ) {
974 		mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs);
975 		if (mpu_irq < 0) {
976 			dev_err(devptr, "unable to find a free MPU401 IRQ\n");
977 			return -EBUSY;
978 		}
979 	}
980 	if (dma1 == SNDRV_AUTO_DMA) {
981 		dma1 = snd_legacy_find_free_dma(possible_dma1s);
982 		if (dma1 < 0) {
983 			dev_err(devptr, "unable to find a free DMA1\n");
984 			return -EBUSY;
985 		}
986 	}
987 #if defined(CS4231) || defined(OPTi93X)
988 	if (dma2 == SNDRV_AUTO_DMA) {
989 		dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4]);
990 		if (dma2 < 0) {
991 			dev_err(devptr, "unable to find a free DMA2\n");
992 			return -EBUSY;
993 		}
994 	}
995 #endif
996 
997 	error = snd_opti9xx_card_new(devptr, &card);
998 	if (error < 0)
999 		return error;
1000 
1001 	error = snd_card_opti9xx_detect(card, card->private_data);
1002 	if (error < 0)
1003 		return error;
1004 	error = snd_opti9xx_probe(card);
1005 	if (error < 0)
1006 		return error;
1007 	dev_set_drvdata(devptr, card);
1008 	return 0;
1009 }
1010 
1011 #ifdef CONFIG_PM
1012 static int snd_opti9xx_suspend(struct snd_card *card)
1013 {
1014 	struct snd_opti9xx *chip = card->private_data;
1015 
1016 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1017 	chip->codec->suspend(chip->codec);
1018 	return 0;
1019 }
1020 
1021 static int snd_opti9xx_resume(struct snd_card *card)
1022 {
1023 	struct snd_opti9xx *chip = card->private_data;
1024 	int error, xdma2;
1025 #if defined(CS4231) || defined(OPTi93X)
1026 	xdma2 = dma2;
1027 #else
1028 	xdma2 = -1;
1029 #endif
1030 
1031 	error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
1032 				      mpu_port, mpu_irq);
1033 	if (error)
1034 		return error;
1035 	chip->codec->resume(chip->codec);
1036 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1037 	return 0;
1038 }
1039 
1040 static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n,
1041 				   pm_message_t state)
1042 {
1043 	return snd_opti9xx_suspend(dev_get_drvdata(dev));
1044 }
1045 
1046 static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n)
1047 {
1048 	return snd_opti9xx_resume(dev_get_drvdata(dev));
1049 }
1050 #endif
1051 
1052 static struct isa_driver snd_opti9xx_driver = {
1053 	.match		= snd_opti9xx_isa_match,
1054 	.probe		= snd_opti9xx_isa_probe,
1055 #ifdef CONFIG_PM
1056 	.suspend	= snd_opti9xx_isa_suspend,
1057 	.resume		= snd_opti9xx_isa_resume,
1058 #endif
1059 	.driver		= {
1060 		.name	= DEV_NAME
1061 	},
1062 };
1063 
1064 #ifdef CONFIG_PNP
1065 static int snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1066 				 const struct pnp_card_device_id *pid)
1067 {
1068 	struct snd_card *card;
1069 	int error, hw;
1070 	struct snd_opti9xx *chip;
1071 
1072 	if (snd_opti9xx_pnp_is_probed)
1073 		return -EBUSY;
1074 	if (! isapnp)
1075 		return -ENODEV;
1076 	error = snd_opti9xx_card_new(&pcard->card->dev, &card);
1077 	if (error < 0)
1078 		return error;
1079 	chip = card->private_data;
1080 	chip->card = card;
1081 
1082 	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1083 	switch (hw) {
1084 	case 0x0924:
1085 		hw = OPTi9XX_HW_82C924;
1086 		break;
1087 	case 0x0925:
1088 		hw = OPTi9XX_HW_82C925;
1089 		break;
1090 	case 0x0931:
1091 		hw = OPTi9XX_HW_82C931;
1092 		break;
1093 	default:
1094 		return -ENODEV;
1095 	}
1096 
1097 	error = snd_opti9xx_init(chip, hw);
1098 	if (error)
1099 		return error;
1100 	error = snd_opti9xx_read_check(card, chip);
1101 	if (error) {
1102 		dev_err(card->dev, "OPTI chip not found\n");
1103 		return error;
1104 	}
1105 	error = snd_opti9xx_probe(card);
1106 	if (error < 0)
1107 		return error;
1108 	pnp_set_card_drvdata(pcard, card);
1109 	snd_opti9xx_pnp_is_probed = 1;
1110 	return 0;
1111 }
1112 
1113 static void snd_opti9xx_pnp_remove(struct pnp_card_link *pcard)
1114 {
1115 	snd_opti9xx_pnp_is_probed = 0;
1116 }
1117 
1118 #ifdef CONFIG_PM
1119 static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard,
1120 				   pm_message_t state)
1121 {
1122 	return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard));
1123 }
1124 
1125 static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
1126 {
1127 	return snd_opti9xx_resume(pnp_get_card_drvdata(pcard));
1128 }
1129 #endif
1130 
1131 static struct pnp_card_driver opti9xx_pnpc_driver = {
1132 	.flags		= PNP_DRIVER_RES_DISABLE,
1133 	.name		= DEV_NAME,
1134 	.id_table	= snd_opti9xx_pnpids,
1135 	.probe		= snd_opti9xx_pnp_probe,
1136 	.remove		= snd_opti9xx_pnp_remove,
1137 #ifdef CONFIG_PM
1138 	.suspend	= snd_opti9xx_pnp_suspend,
1139 	.resume		= snd_opti9xx_pnp_resume,
1140 #endif
1141 };
1142 #endif
1143 
1144 #ifdef OPTi93X
1145 #define CHIP_NAME	"82C93x"
1146 #else
1147 #define CHIP_NAME	"82C92x"
1148 #endif
1149 
1150 static int __init alsa_card_opti9xx_init(void)
1151 {
1152 #ifdef CONFIG_PNP
1153 	pnp_register_card_driver(&opti9xx_pnpc_driver);
1154 	if (snd_opti9xx_pnp_is_probed)
1155 		return 0;
1156 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1157 #endif
1158 	return isa_register_driver(&snd_opti9xx_driver, 1);
1159 }
1160 
1161 static void __exit alsa_card_opti9xx_exit(void)
1162 {
1163 	if (!snd_opti9xx_pnp_is_probed) {
1164 		isa_unregister_driver(&snd_opti9xx_driver);
1165 		return;
1166 	}
1167 #ifdef CONFIG_PNP
1168 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1169 #endif
1170 }
1171 
1172 module_init(alsa_card_opti9xx_init)
1173 module_exit(alsa_card_opti9xx_exit)
1174