1 /*
2     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
3     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
4 
5     Part of this code was developed at the Italian Ministry of Air Defence,
6     Sixth Division (oh, che pace ...), Rome.
7 
8     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
9 
10     This program is free software; you can redistribute it and/or modify
11     it under the terms of the GNU General Public License as published by
12     the Free Software Foundation; either version 2 of the License, or
13     (at your option) any later version.
14 
15     This program is distributed in the hope that it will be useful,
16     but WITHOUT ANY WARRANTY; without even the implied warranty of
17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18     GNU General Public License for more details.
19 
20     You should have received a copy of the GNU General Public License
21     along with this program; if not, write to the Free Software
22     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23 */
24 
25 
26 #include <linux/init.h>
27 #include <linux/err.h>
28 #include <linux/isa.h>
29 #include <linux/delay.h>
30 #include <linux/slab.h>
31 #include <linux/pnp.h>
32 #include <linux/moduleparam.h>
33 #include <asm/io.h>
34 #include <asm/dma.h>
35 #include <sound/core.h>
36 #ifdef CS4231
37 #include <sound/cs4231.h>
38 #else
39 #ifndef OPTi93X
40 #include <sound/ad1848.h>
41 #else
42 #include <sound/control.h>
43 #include <sound/pcm.h>
44 #endif	/* OPTi93X */
45 #endif	/* CS4231 */
46 #include <sound/mpu401.h>
47 #include <sound/opl3.h>
48 #ifndef OPTi93X
49 #include <sound/opl4.h>
50 #endif
51 #define SNDRV_LEGACY_FIND_FREE_IRQ
52 #define SNDRV_LEGACY_FIND_FREE_DMA
53 #include <sound/initval.h>
54 
55 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
56 MODULE_LICENSE("GPL");
57 #ifdef OPTi93X
58 MODULE_DESCRIPTION("OPTi93X");
59 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
60 #else	/* OPTi93X */
61 #ifdef CS4231
62 MODULE_DESCRIPTION("OPTi92X - CS4231");
63 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
64 		"{OPTi,82C925 (CS4231)}}");
65 #else	/* CS4231 */
66 MODULE_DESCRIPTION("OPTi92X - AD1848");
67 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
68 		"{OPTi,82C925 (AD1848)},"
69 	        "{OAK,Mozart}}");
70 #endif	/* CS4231 */
71 #endif	/* OPTi93X */
72 
73 static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
74 static char *id = SNDRV_DEFAULT_STR1;		/* ID for this card */
75 //static int enable = SNDRV_DEFAULT_ENABLE1;	/* Enable this card */
76 static int isapnp = 1;			/* Enable ISA PnP detection */
77 static long port = SNDRV_DEFAULT_PORT1; 	/* 0x530,0xe80,0xf40,0x604 */
78 static long mpu_port = SNDRV_DEFAULT_PORT1;	/* 0x300,0x310,0x320,0x330 */
79 static long fm_port = SNDRV_DEFAULT_PORT1;	/* 0x388 */
80 static int irq = SNDRV_DEFAULT_IRQ1;		/* 5,7,9,10,11 */
81 static int mpu_irq = SNDRV_DEFAULT_IRQ1;	/* 5,7,9,10 */
82 static int dma1 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
83 #if defined(CS4231) || defined(OPTi93X)
84 static int dma2 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
85 #endif	/* CS4231 || OPTi93X */
86 
87 module_param(index, int, 0444);
88 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
89 module_param(id, charp, 0444);
90 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
91 //module_param(enable, bool, 0444);
92 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
93 module_param(isapnp, bool, 0444);
94 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
95 module_param(port, long, 0444);
96 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
97 module_param(mpu_port, long, 0444);
98 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
99 module_param(fm_port, long, 0444);
100 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
101 module_param(irq, int, 0444);
102 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
103 module_param(mpu_irq, int, 0444);
104 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
105 module_param(dma1, int, 0444);
106 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
107 #if defined(CS4231) || defined(OPTi93X)
108 module_param(dma2, int, 0444);
109 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
110 #endif	/* CS4231 || OPTi93X */
111 
112 #define OPTi9XX_HW_DETECT	0
113 #define OPTi9XX_HW_82C928	1
114 #define OPTi9XX_HW_82C929	2
115 #define OPTi9XX_HW_82C924	3
116 #define OPTi9XX_HW_82C925	4
117 #define OPTi9XX_HW_82C930	5
118 #define OPTi9XX_HW_82C931	6
119 #define OPTi9XX_HW_82C933	7
120 #define OPTi9XX_HW_LAST		OPTi9XX_HW_82C933
121 
122 #define OPTi9XX_MC_REG(n)	n
123 
124 #ifdef OPTi93X
125 
126 #define OPTi93X_INDEX			0x00
127 #define OPTi93X_DATA			0x01
128 #define OPTi93X_STATUS			0x02
129 #define OPTi93X_DDATA			0x03
130 #define OPTi93X_PORT(chip, r)		((chip)->port + OPTi93X_##r)
131 
132 #define OPTi93X_MIXOUT_LEFT		0x00
133 #define OPTi93X_MIXOUT_RIGHT		0x01
134 #define OPTi93X_CD_LEFT_INPUT		0x02
135 #define OPTi93X_CD_RIGHT_INPUT		0x03
136 #define OPTi930_AUX_LEFT_INPUT		0x04
137 #define OPTi930_AUX_RIGHT_INPUT		0x05
138 #define OPTi931_FM_LEFT_INPUT		0x04
139 #define OPTi931_FM_RIGHT_INPUT		0x05
140 #define OPTi93X_DAC_LEFT		0x06
141 #define OPTi93X_DAC_RIGHT		0x07
142 #define OPTi93X_PLAY_FORMAT		0x08
143 #define OPTi93X_IFACE_CONF		0x09
144 #define OPTi93X_PIN_CTRL		0x0a
145 #define OPTi93X_ERR_INIT		0x0b
146 #define OPTi93X_ID			0x0c
147 #define OPTi93X_PLAY_UPR_CNT		0x0e
148 #define OPTi93X_PLAY_LWR_CNT		0x0f
149 #define OPTi931_AUX_LEFT_INPUT		0x10
150 #define OPTi931_AUX_RIGHT_INPUT		0x11
151 #define OPTi93X_LINE_LEFT_INPUT		0x12
152 #define OPTi93X_LINE_RIGHT_INPUT	0x13
153 #define OPTi93X_MIC_LEFT_INPUT		0x14
154 #define OPTi93X_MIC_RIGHT_INPUT		0x15
155 #define OPTi93X_OUT_LEFT		0x16
156 #define OPTi93X_OUT_RIGHT		0x17
157 #define OPTi93X_CAPT_FORMAT		0x1c
158 #define OPTi93X_CAPT_UPR_CNT		0x1e
159 #define OPTi93X_CAPT_LWR_CNT		0x1f
160 
161 #define OPTi93X_TRD			0x20
162 #define OPTi93X_MCE			0x40
163 #define OPTi93X_INIT			0x80
164 
165 #define OPTi93X_MIXOUT_MIC_GAIN		0x20
166 #define OPTi93X_MIXOUT_LINE		0x00
167 #define OPTi93X_MIXOUT_CD		0x40
168 #define OPTi93X_MIXOUT_MIC		0x80
169 #define OPTi93X_MIXOUT_MIXER		0xc0
170 
171 #define OPTi93X_STEREO			0x10
172 #define OPTi93X_LINEAR_8		0x00
173 #define OPTi93X_ULAW_8			0x20
174 #define OPTi93X_LINEAR_16_LIT		0x40
175 #define OPTi93X_ALAW_8			0x60
176 #define OPTi93X_ADPCM_16		0xa0
177 #define OPTi93X_LINEAR_16_BIG		0xc0
178 
179 #define OPTi93X_CAPTURE_PIO		0x80
180 #define OPTi93X_PLAYBACK_PIO		0x40
181 #define OPTi93X_AUTOCALIB		0x08
182 #define OPTi93X_SINGLE_DMA		0x04
183 #define OPTi93X_CAPTURE_ENABLE		0x02
184 #define OPTi93X_PLAYBACK_ENABLE		0x01
185 
186 #define OPTi93X_IRQ_ENABLE		0x02
187 
188 #define OPTi93X_DMA_REQUEST		0x10
189 #define OPTi93X_CALIB_IN_PROGRESS	0x20
190 
191 #define OPTi93X_IRQ_PLAYBACK		0x04
192 #define OPTi93X_IRQ_CAPTURE		0x08
193 
194 
195 struct snd_opti93x {
196 	unsigned long port;
197 	struct resource *res_port;
198 	int irq;
199 	int dma1;
200 	int dma2;
201 
202 	struct snd_opti9xx *chip;
203 	unsigned short hardware;
204 	unsigned char image[32];
205 
206 	unsigned char mce_bit;
207 	unsigned short mode;
208 	int mute;
209 
210 	spinlock_t lock;
211 
212 	struct snd_card *card;
213 	struct snd_pcm *pcm;
214 	struct snd_pcm_substream *playback_substream;
215 	struct snd_pcm_substream *capture_substream;
216 	unsigned int p_dma_size;
217 	unsigned int c_dma_size;
218 };
219 
220 #define OPTi93X_MODE_NONE	0x00
221 #define OPTi93X_MODE_PLAY	0x01
222 #define OPTi93X_MODE_CAPTURE	0x02
223 #define OPTi93X_MODE_OPEN	(OPTi93X_MODE_PLAY | OPTi93X_MODE_CAPTURE)
224 
225 #endif /* OPTi93X */
226 
227 struct snd_opti9xx {
228 	unsigned short hardware;
229 	unsigned char password;
230 	char name[7];
231 
232 	unsigned long mc_base;
233 	struct resource *res_mc_base;
234 	unsigned long mc_base_size;
235 #ifdef OPTi93X
236 	unsigned long mc_indir_index;
237 #endif	/* OPTi93X */
238 	unsigned long pwd_reg;
239 
240 	spinlock_t lock;
241 
242 	long wss_base;
243 	int irq;
244 	int dma1;
245 #if defined(CS4231) || defined(OPTi93X)
246 	int dma2;
247 #endif	/* CS4231 || OPTi93X */
248 
249 	long fm_port;
250 
251 	long mpu_port;
252 	int mpu_irq;
253 
254 #ifdef CONFIG_PNP
255 	struct pnp_dev *dev;
256 	struct pnp_dev *devmpu;
257 #endif	/* CONFIG_PNP */
258 };
259 
260 static int snd_opti9xx_pnp_is_probed;
261 
262 #ifdef CONFIG_PNP
263 
264 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
265 #ifndef OPTi93X
266 	/* OPTi 82C924 */
267 	{ .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
268 	/* OPTi 82C925 */
269 	{ .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
270 #else
271 	/* OPTi 82C931/3 */
272 	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
273 #endif	/* OPTi93X */
274 	{ .id = "" }
275 };
276 
277 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
278 
279 #endif	/* CONFIG_PNP */
280 
281 #ifdef OPTi93X
282 #define DEV_NAME "opti93x"
283 #else
284 #define DEV_NAME "opti92x"
285 #endif
286 
287 static char * snd_opti9xx_names[] = {
288 	"unkown",
289 	"82C928",	"82C929",
290 	"82C924",	"82C925",
291 	"82C930",	"82C931",	"82C933"
292 };
293 
294 
295 static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
296 {
297 	while (*port_table != -1) {
298 		if (request_region(*port_table, size, "ALSA test")) {
299 			release_region(*port_table, size);
300 			return *port_table;
301 		}
302 		port_table++;
303 	}
304 	return -1;
305 }
306 
307 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
308 				      unsigned short hardware)
309 {
310 	static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
311 
312 	chip->hardware = hardware;
313 	strcpy(chip->name, snd_opti9xx_names[hardware]);
314 
315 	chip->mc_base_size = opti9xx_mc_size[hardware];
316 
317 	spin_lock_init(&chip->lock);
318 
319 	chip->wss_base = -1;
320 	chip->irq = -1;
321 	chip->dma1 = -1;
322 #if defined(CS4231) || defined (OPTi93X)
323 	chip->dma2 = -1;
324 #endif 	/* CS4231 || OPTi93X */
325 	chip->fm_port = -1;
326 	chip->mpu_port = -1;
327 	chip->mpu_irq = -1;
328 
329 	switch (hardware) {
330 #ifndef OPTi93X
331 	case OPTi9XX_HW_82C928:
332 	case OPTi9XX_HW_82C929:
333 		chip->mc_base = 0xf8c;
334 		chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
335 		chip->pwd_reg = 3;
336 		break;
337 
338 	case OPTi9XX_HW_82C924:
339 	case OPTi9XX_HW_82C925:
340 		chip->mc_base = 0xf8c;
341 		chip->password = 0xe5;
342 		chip->pwd_reg = 3;
343 		break;
344 #else	/* OPTi93X */
345 
346 	case OPTi9XX_HW_82C930:
347 	case OPTi9XX_HW_82C931:
348 	case OPTi9XX_HW_82C933:
349 		chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
350 		chip->mc_indir_index = 0xe0e;
351 		chip->password = 0xe4;
352 		chip->pwd_reg = 0;
353 		break;
354 #endif	/* OPTi93X */
355 
356 	default:
357 		snd_printk("chip %d not supported\n", hardware);
358 		return -ENODEV;
359 	}
360 	return 0;
361 }
362 
363 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
364 				      unsigned char reg)
365 {
366 	unsigned long flags;
367 	unsigned char retval = 0xff;
368 
369 	spin_lock_irqsave(&chip->lock, flags);
370 	outb(chip->password, chip->mc_base + chip->pwd_reg);
371 
372 	switch (chip->hardware) {
373 #ifndef OPTi93X
374 	case OPTi9XX_HW_82C924:
375 	case OPTi9XX_HW_82C925:
376 		if (reg > 7) {
377 			outb(reg, chip->mc_base + 8);
378 			outb(chip->password, chip->mc_base + chip->pwd_reg);
379 			retval = inb(chip->mc_base + 9);
380 			break;
381 		}
382 
383 	case OPTi9XX_HW_82C928:
384 	case OPTi9XX_HW_82C929:
385 		retval = inb(chip->mc_base + reg);
386 		break;
387 #else	/* OPTi93X */
388 
389 	case OPTi9XX_HW_82C930:
390 	case OPTi9XX_HW_82C931:
391 	case OPTi9XX_HW_82C933:
392 		outb(reg, chip->mc_indir_index);
393 		outb(chip->password, chip->mc_base + chip->pwd_reg);
394 		retval = inb(chip->mc_indir_index + 1);
395 		break;
396 #endif	/* OPTi93X */
397 
398 	default:
399 		snd_printk("chip %d not supported\n", chip->hardware);
400 	}
401 
402 	spin_unlock_irqrestore(&chip->lock, flags);
403 	return retval;
404 }
405 
406 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
407 			      unsigned char value)
408 {
409 	unsigned long flags;
410 
411 	spin_lock_irqsave(&chip->lock, flags);
412 	outb(chip->password, chip->mc_base + chip->pwd_reg);
413 
414 	switch (chip->hardware) {
415 #ifndef OPTi93X
416 	case OPTi9XX_HW_82C924:
417 	case OPTi9XX_HW_82C925:
418 		if (reg > 7) {
419 			outb(reg, chip->mc_base + 8);
420 			outb(chip->password, chip->mc_base + chip->pwd_reg);
421 			outb(value, chip->mc_base + 9);
422 			break;
423 		}
424 
425 	case OPTi9XX_HW_82C928:
426 	case OPTi9XX_HW_82C929:
427 		outb(value, chip->mc_base + reg);
428 		break;
429 #else	/* OPTi93X */
430 
431 	case OPTi9XX_HW_82C930:
432 	case OPTi9XX_HW_82C931:
433 	case OPTi9XX_HW_82C933:
434 		outb(reg, chip->mc_indir_index);
435 		outb(chip->password, chip->mc_base + chip->pwd_reg);
436 		outb(value, chip->mc_indir_index + 1);
437 		break;
438 #endif	/* OPTi93X */
439 
440 	default:
441 		snd_printk("chip %d not supported\n", chip->hardware);
442 	}
443 
444 	spin_unlock_irqrestore(&chip->lock, flags);
445 }
446 
447 
448 #define snd_opti9xx_write_mask(chip, reg, value, mask)	\
449 	snd_opti9xx_write(chip, reg,			\
450 		(snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
451 
452 
453 static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip)
454 {
455 	unsigned char wss_base_bits;
456 	unsigned char irq_bits;
457 	unsigned char dma_bits;
458 	unsigned char mpu_port_bits = 0;
459 	unsigned char mpu_irq_bits;
460 
461 	switch (chip->hardware) {
462 #ifndef OPTi93X
463 	case OPTi9XX_HW_82C924:
464 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
465 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
466 
467 	case OPTi9XX_HW_82C925:
468 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
469 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
470 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
471 #ifdef CS4231
472 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
473 #else
474 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
475 #endif	/* CS4231 */
476 		break;
477 
478 	case OPTi9XX_HW_82C928:
479 	case OPTi9XX_HW_82C929:
480 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
481 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
482 		/*
483 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
484 		*/
485 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
486 #ifdef CS4231
487 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
488 #else
489 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
490 #endif	/* CS4231 */
491 		break;
492 
493 #else	/* OPTi93X */
494 	case OPTi9XX_HW_82C930:
495 	case OPTi9XX_HW_82C931:
496 	case OPTi9XX_HW_82C933:
497 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
498 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
499 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
500 			(chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
501 			0x34);
502 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
503 		/*
504 		 * The BTC 1817DW has QS1000 wavetable which is connected
505 		 * to the serial digital input of the OPTI931.
506 		 */
507 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
508 		/*
509 		 * This bit sets OPTI931 to automaticaly select FM
510 		 * or digital input signal.
511 		 */
512 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
513 		break;
514 #endif	/* OPTi93X */
515 
516 	default:
517 		snd_printk("chip %d not supported\n", chip->hardware);
518 		return -EINVAL;
519 	}
520 
521 	switch (chip->wss_base) {
522 	case 0x530:
523 		wss_base_bits = 0x00;
524 		break;
525 	case 0x604:
526 		wss_base_bits = 0x03;
527 		break;
528 	case 0xe80:
529 		wss_base_bits = 0x01;
530 		break;
531 	case 0xf40:
532 		wss_base_bits = 0x02;
533 		break;
534 	default:
535 		snd_printk("WSS port 0x%lx not valid\n", chip->wss_base);
536 		goto __skip_base;
537 	}
538 	snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
539 
540 __skip_base:
541 	switch (chip->irq) {
542 //#ifdef OPTi93X
543 	case 5:
544 		irq_bits = 0x05;
545 		break;
546 //#endif	/* OPTi93X */
547 	case 7:
548 		irq_bits = 0x01;
549 		break;
550 	case 9:
551 		irq_bits = 0x02;
552 		break;
553 	case 10:
554 		irq_bits = 0x03;
555 		break;
556 	case 11:
557 		irq_bits = 0x04;
558 		break;
559 	default:
560 		snd_printk("WSS irq # %d not valid\n", chip->irq);
561 		goto __skip_resources;
562 	}
563 
564 	switch (chip->dma1) {
565 	case 0:
566 		dma_bits = 0x01;
567 		break;
568 	case 1:
569 		dma_bits = 0x02;
570 		break;
571 	case 3:
572 		dma_bits = 0x03;
573 		break;
574 	default:
575 		snd_printk("WSS dma1 # %d not valid\n", chip->dma1);
576 		goto __skip_resources;
577 	}
578 
579 #if defined(CS4231) || defined(OPTi93X)
580 	if (chip->dma1 == chip->dma2) {
581 		snd_printk("don't want to share dmas\n");
582 		return -EBUSY;
583 	}
584 
585 	switch (chip->dma2) {
586 	case 0:
587 	case 1:
588 		break;
589 	default:
590 		snd_printk("WSS dma2 # %d not valid\n", chip->dma2);
591 		goto __skip_resources;
592 	}
593 	dma_bits |= 0x04;
594 #endif	/* CS4231 || OPTi93X */
595 
596 #ifndef OPTi93X
597 	 outb(irq_bits << 3 | dma_bits, chip->wss_base);
598 #else /* OPTi93X */
599 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
600 #endif /* OPTi93X */
601 
602 __skip_resources:
603 	if (chip->hardware > OPTi9XX_HW_82C928) {
604 		switch (chip->mpu_port) {
605 		case 0:
606 		case -1:
607 			break;
608 		case 0x300:
609 			mpu_port_bits = 0x03;
610 			break;
611 		case 0x310:
612 			mpu_port_bits = 0x02;
613 			break;
614 		case 0x320:
615 			mpu_port_bits = 0x01;
616 			break;
617 		case 0x330:
618 			mpu_port_bits = 0x00;
619 			break;
620 		default:
621 			snd_printk("MPU-401 port 0x%lx not valid\n",
622 				chip->mpu_port);
623 			goto __skip_mpu;
624 		}
625 
626 		switch (chip->mpu_irq) {
627 		case 5:
628 			mpu_irq_bits = 0x02;
629 			break;
630 		case 7:
631 			mpu_irq_bits = 0x03;
632 			break;
633 		case 9:
634 			mpu_irq_bits = 0x00;
635 			break;
636 		case 10:
637 			mpu_irq_bits = 0x01;
638 			break;
639 		default:
640 			snd_printk("MPU-401 irq # %d not valid\n",
641 				chip->mpu_irq);
642 			goto __skip_mpu;
643 		}
644 
645 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
646 			(chip->mpu_port <= 0) ? 0x00 :
647 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
648 			0xf8);
649 	}
650 __skip_mpu:
651 
652 	return 0;
653 }
654 
655 #ifdef OPTi93X
656 
657 static unsigned char snd_opti93x_default_image[32] =
658 {
659 	0x00,		/* 00/00 - l_mixout_outctrl */
660 	0x00,		/* 01/01 - r_mixout_outctrl */
661 	0x88,		/* 02/02 - l_cd_inctrl */
662 	0x88,		/* 03/03 - r_cd_inctrl */
663 	0x88,		/* 04/04 - l_a1/fm_inctrl */
664 	0x88,		/* 05/05 - r_a1/fm_inctrl */
665 	0x80,		/* 06/06 - l_dac_inctrl */
666 	0x80,		/* 07/07 - r_dac_inctrl */
667 	0x00,		/* 08/08 - ply_dataform_reg */
668 	0x00,		/* 09/09 - if_conf */
669 	0x00,		/* 0a/10 - pin_ctrl */
670 	0x00,		/* 0b/11 - err_init_reg */
671 	0x0a,		/* 0c/12 - id_reg */
672 	0x00,		/* 0d/13 - reserved */
673 	0x00,		/* 0e/14 - ply_upcount_reg */
674 	0x00,		/* 0f/15 - ply_lowcount_reg */
675 	0x88,		/* 10/16 - reserved/l_a1_inctrl */
676 	0x88,		/* 11/17 - reserved/r_a1_inctrl */
677 	0x88,		/* 12/18 - l_line_inctrl */
678 	0x88,		/* 13/19 - r_line_inctrl */
679 	0x88,		/* 14/20 - l_mic_inctrl */
680 	0x88,		/* 15/21 - r_mic_inctrl */
681 	0x80,		/* 16/22 - l_out_outctrl */
682 	0x80,		/* 17/23 - r_out_outctrl */
683 	0x00,		/* 18/24 - reserved */
684 	0x00,		/* 19/25 - reserved */
685 	0x00,		/* 1a/26 - reserved */
686 	0x00,		/* 1b/27 - reserved */
687 	0x00,		/* 1c/28 - cap_dataform_reg */
688 	0x00,		/* 1d/29 - reserved */
689 	0x00,		/* 1e/30 - cap_upcount_reg */
690 	0x00		/* 1f/31 - cap_lowcount_reg */
691 };
692 
693 
694 static int snd_opti93x_busy_wait(struct snd_opti93x *chip)
695 {
696 	int timeout;
697 
698 	for (timeout = 250; timeout-- > 0; udelay(10))
699 		if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_INIT))
700 			return 0;
701 
702 	snd_printk("chip still busy.\n");
703 	return -EBUSY;
704 }
705 
706 static unsigned char snd_opti93x_in(struct snd_opti93x *chip, unsigned char reg)
707 {
708 	snd_opti93x_busy_wait(chip);
709 	outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
710 	return inb(OPTi93X_PORT(chip, DATA));
711 }
712 
713 static void snd_opti93x_out(struct snd_opti93x *chip, unsigned char reg,
714 			    unsigned char value)
715 {
716 	snd_opti93x_busy_wait(chip);
717 	outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
718 	outb(value, OPTi93X_PORT(chip, DATA));
719 }
720 
721 static void snd_opti93x_out_image(struct snd_opti93x *chip, unsigned char reg,
722 				  unsigned char value)
723 {
724 	snd_opti93x_out(chip, reg, chip->image[reg] = value);
725 }
726 
727 static void snd_opti93x_out_mask(struct snd_opti93x *chip, unsigned char reg,
728 				 unsigned char mask, unsigned char value)
729 {
730 	snd_opti93x_out_image(chip, reg,
731 		(chip->image[reg] & ~mask) | (value & mask));
732 }
733 
734 
735 static void snd_opti93x_mce_up(struct snd_opti93x *chip)
736 {
737 	snd_opti93x_busy_wait(chip);
738 
739 	chip->mce_bit = OPTi93X_MCE;
740 	if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE))
741 		outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
742 }
743 
744 static void snd_opti93x_mce_down(struct snd_opti93x *chip)
745 {
746 	snd_opti93x_busy_wait(chip);
747 
748 	chip->mce_bit = 0;
749 	if (inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE)
750 		outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
751 }
752 
753 #define snd_opti93x_mute_reg(chip, reg, mute)	\
754 	snd_opti93x_out(chip, reg, mute ? 0x80 : chip->image[reg]);
755 
756 static void snd_opti93x_mute(struct snd_opti93x *chip, int mute)
757 {
758 	mute = mute ? 1 : 0;
759 	if (chip->mute == mute)
760 		return;
761 
762 	chip->mute = mute;
763 
764 	snd_opti93x_mute_reg(chip, OPTi93X_CD_LEFT_INPUT, mute);
765 	snd_opti93x_mute_reg(chip, OPTi93X_CD_RIGHT_INPUT, mute);
766 	switch (chip->hardware) {
767 	case OPTi9XX_HW_82C930:
768 		snd_opti93x_mute_reg(chip, OPTi930_AUX_LEFT_INPUT, mute);
769 		snd_opti93x_mute_reg(chip, OPTi930_AUX_RIGHT_INPUT, mute);
770 		break;
771 	case OPTi9XX_HW_82C931:
772 	case OPTi9XX_HW_82C933:
773 		snd_opti93x_mute_reg(chip, OPTi931_FM_LEFT_INPUT, mute);
774 		snd_opti93x_mute_reg(chip, OPTi931_FM_RIGHT_INPUT, mute);
775 		snd_opti93x_mute_reg(chip, OPTi931_AUX_LEFT_INPUT, mute);
776 		snd_opti93x_mute_reg(chip, OPTi931_AUX_RIGHT_INPUT, mute);
777 	}
778 	snd_opti93x_mute_reg(chip, OPTi93X_DAC_LEFT, mute);
779 	snd_opti93x_mute_reg(chip, OPTi93X_DAC_RIGHT, mute);
780 	snd_opti93x_mute_reg(chip, OPTi93X_LINE_LEFT_INPUT, mute);
781 	snd_opti93x_mute_reg(chip, OPTi93X_LINE_RIGHT_INPUT, mute);
782 	snd_opti93x_mute_reg(chip, OPTi93X_MIC_LEFT_INPUT, mute);
783 	snd_opti93x_mute_reg(chip, OPTi93X_MIC_RIGHT_INPUT, mute);
784 	snd_opti93x_mute_reg(chip, OPTi93X_OUT_LEFT, mute);
785 	snd_opti93x_mute_reg(chip, OPTi93X_OUT_RIGHT, mute);
786 }
787 
788 
789 static unsigned int snd_opti93x_get_count(unsigned char format,
790 					  unsigned int size)
791 {
792 	switch (format & 0xe0) {
793 	case OPTi93X_LINEAR_16_LIT:
794 	case OPTi93X_LINEAR_16_BIG:
795 		size >>= 1;
796 		break;
797 	case OPTi93X_ADPCM_16:
798 		return size >> 2;
799 	}
800 	return (format & OPTi93X_STEREO) ? (size >> 1) : size;
801 }
802 
803 static unsigned int rates[] = {  5512,  6615,  8000,  9600, 11025, 16000,
804 				18900, 22050, 27428, 32000, 33075, 37800,
805 				44100, 48000 };
806 #define RATES ARRAY_SIZE(rates)
807 
808 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
809 	.count = RATES,
810 	.list = rates,
811 	.mask = 0,
812 };
813 
814 static unsigned char bits[] = {  0x01,  0x0f,  0x00,  0x0e,  0x03,  0x02,
815 				 0x05,  0x07,  0x04,  0x06,  0x0d,  0x09,
816 				 0x0b,  0x0c};
817 
818 static unsigned char snd_opti93x_get_freq(unsigned int rate)
819 {
820 	unsigned int i;
821 
822 	for (i = 0; i < RATES; i++) {
823 		if (rate == rates[i])
824 			return bits[i];
825 	}
826 	snd_BUG();
827 	return bits[RATES-1];
828 }
829 
830 static unsigned char snd_opti93x_get_format(struct snd_opti93x *chip,
831 					    unsigned int format, int channels)
832 {
833 	unsigned char retval = OPTi93X_LINEAR_8;
834 
835 	switch (format) {
836 	case SNDRV_PCM_FORMAT_MU_LAW:
837 		retval = OPTi93X_ULAW_8;
838 		break;
839 	case SNDRV_PCM_FORMAT_A_LAW:
840 		retval = OPTi93X_ALAW_8;
841 		break;
842 	case SNDRV_PCM_FORMAT_S16_LE:
843 		retval = OPTi93X_LINEAR_16_LIT;
844 		break;
845 	case SNDRV_PCM_FORMAT_S16_BE:
846 		retval = OPTi93X_LINEAR_16_BIG;
847 		break;
848 	case SNDRV_PCM_FORMAT_IMA_ADPCM:
849 		retval = OPTi93X_ADPCM_16;
850 	}
851 	return (channels > 1) ? (retval | OPTi93X_STEREO) : retval;
852 }
853 
854 
855 static void snd_opti93x_playback_format(struct snd_opti93x *chip, unsigned char fmt)
856 {
857 	unsigned char mask;
858 
859 	snd_opti93x_mute(chip, 1);
860 
861 	snd_opti93x_mce_up(chip);
862 	mask = (chip->mode & OPTi93X_MODE_CAPTURE) ? 0xf0 : 0xff;
863 	snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, mask, fmt);
864 	snd_opti93x_mce_down(chip);
865 
866 	snd_opti93x_mute(chip, 0);
867 }
868 
869 static void snd_opti93x_capture_format(struct snd_opti93x *chip, unsigned char fmt)
870 {
871 	snd_opti93x_mute(chip, 1);
872 
873 	snd_opti93x_mce_up(chip);
874 	if (!(chip->mode & OPTi93X_MODE_PLAY))
875 		snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, 0x0f, fmt);
876 	else
877 		fmt = chip->image[OPTi93X_PLAY_FORMAT] & 0xf0;
878 	snd_opti93x_out_image(chip, OPTi93X_CAPT_FORMAT, fmt);
879 	snd_opti93x_mce_down(chip);
880 
881 	snd_opti93x_mute(chip, 0);
882 }
883 
884 
885 static int snd_opti93x_open(struct snd_opti93x *chip, unsigned int mode)
886 {
887 	unsigned long flags;
888 
889 	spin_lock_irqsave(&chip->lock, flags);
890 
891 	if (chip->mode & mode) {
892 		spin_unlock_irqrestore(&chip->lock, flags);
893 		return -EAGAIN;
894 	}
895 
896 	if (!(chip->mode & OPTi93X_MODE_OPEN)) {
897 		outb(0x00, OPTi93X_PORT(chip, STATUS));
898 		snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL,
899 			OPTi93X_IRQ_ENABLE, OPTi93X_IRQ_ENABLE);
900 		chip->mode = mode;
901 	}
902 	else
903 		chip->mode |= mode;
904 
905 	spin_unlock_irqrestore(&chip->lock, flags);
906 	return 0;
907 }
908 
909 static void snd_opti93x_close(struct snd_opti93x *chip, unsigned int mode)
910 {
911 	unsigned long flags;
912 
913 	spin_lock_irqsave(&chip->lock, flags);
914 
915 	chip->mode &= ~mode;
916 	if (chip->mode & OPTi93X_MODE_OPEN) {
917 		spin_unlock_irqrestore(&chip->lock, flags);
918 		return;
919 	}
920 
921 	snd_opti93x_mute(chip, 1);
922 
923 	outb(0, OPTi93X_PORT(chip, STATUS));
924 	snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL, OPTi93X_IRQ_ENABLE,
925 		~OPTi93X_IRQ_ENABLE);
926 
927 	snd_opti93x_mce_up(chip);
928 	snd_opti93x_out_image(chip, OPTi93X_IFACE_CONF, 0x00);
929 	snd_opti93x_mce_down(chip);
930 	chip->mode = 0;
931 
932 	snd_opti93x_mute(chip, 0);
933 	spin_unlock_irqrestore(&chip->lock, flags);
934 }
935 
936 static int snd_opti93x_trigger(struct snd_pcm_substream *substream,
937 			       unsigned char what, int cmd)
938 {
939 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
940 
941 	switch (cmd) {
942 	case SNDRV_PCM_TRIGGER_START:
943 	case SNDRV_PCM_TRIGGER_STOP:
944 	{
945 		unsigned int what = 0;
946 		struct snd_pcm_substream *s;
947 		snd_pcm_group_for_each_entry(s, substream) {
948 			if (s == chip->playback_substream) {
949 				what |= OPTi93X_PLAYBACK_ENABLE;
950 				snd_pcm_trigger_done(s, substream);
951 			} else if (s == chip->capture_substream) {
952 				what |= OPTi93X_CAPTURE_ENABLE;
953 				snd_pcm_trigger_done(s, substream);
954 			}
955 		}
956 		spin_lock(&chip->lock);
957 		if (cmd == SNDRV_PCM_TRIGGER_START) {
958 			snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, what);
959 			if (what & OPTi93X_CAPTURE_ENABLE)
960 				udelay(50);
961 		} else
962 			snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, 0x00);
963 		spin_unlock(&chip->lock);
964 		break;
965 	}
966 	default:
967 		return -EINVAL;
968 	}
969 	return 0;
970 }
971 
972 static int snd_opti93x_playback_trigger(struct snd_pcm_substream *substream, int cmd)
973 {
974 	return snd_opti93x_trigger(substream,
975 				   OPTi93X_PLAYBACK_ENABLE, cmd);
976 }
977 
978 static int snd_opti93x_capture_trigger(struct snd_pcm_substream *substream, int cmd)
979 {
980 	return snd_opti93x_trigger(substream,
981 				   OPTi93X_CAPTURE_ENABLE, cmd);
982 }
983 
984 static int snd_opti93x_hw_params(struct snd_pcm_substream *substream,
985 				 struct snd_pcm_hw_params *hw_params)
986 {
987 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
988 }
989 
990 
991 static int snd_opti93x_hw_free(struct snd_pcm_substream *substream)
992 {
993 	snd_pcm_lib_free_pages(substream);
994 	return 0;
995 }
996 
997 
998 static int snd_opti93x_playback_prepare(struct snd_pcm_substream *substream)
999 {
1000 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1001 	struct snd_pcm_runtime *runtime = substream->runtime;
1002 	unsigned long flags;
1003 	unsigned char format;
1004 	unsigned int count = snd_pcm_lib_period_bytes(substream);
1005 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1006 
1007 	spin_lock_irqsave(&chip->lock, flags);
1008 
1009 	chip->p_dma_size = size;
1010 	snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1011 		OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO,
1012 		~(OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO));
1013 
1014 	snd_dma_program(chip->dma1, runtime->dma_addr, size,
1015 		DMA_MODE_WRITE | DMA_AUTOINIT);
1016 
1017 	format = snd_opti93x_get_freq(runtime->rate);
1018 	format |= snd_opti93x_get_format(chip, runtime->format,
1019 		runtime->channels);
1020 	snd_opti93x_playback_format(chip, format);
1021 	format = chip->image[OPTi93X_PLAY_FORMAT];
1022 
1023 	count = snd_opti93x_get_count(format, count) - 1;
1024 	snd_opti93x_out_image(chip, OPTi93X_PLAY_LWR_CNT, count);
1025 	snd_opti93x_out_image(chip, OPTi93X_PLAY_UPR_CNT, count >> 8);
1026 
1027 	spin_unlock_irqrestore(&chip->lock, flags);
1028 	return 0;
1029 }
1030 
1031 static int snd_opti93x_capture_prepare(struct snd_pcm_substream *substream)
1032 {
1033 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1034 	struct snd_pcm_runtime *runtime = substream->runtime;
1035 	unsigned long flags;
1036 	unsigned char format;
1037 	unsigned int count = snd_pcm_lib_period_bytes(substream);
1038 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1039 
1040 	spin_lock_irqsave(&chip->lock, flags);
1041 
1042 	chip->c_dma_size = size;
1043 	snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1044 		OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO, 0);
1045 
1046 	snd_dma_program(chip->dma2, runtime->dma_addr, size,
1047 		DMA_MODE_READ | DMA_AUTOINIT);
1048 
1049 	format = snd_opti93x_get_freq(runtime->rate);
1050 	format |= snd_opti93x_get_format(chip, runtime->format,
1051 		runtime->channels);
1052 	snd_opti93x_capture_format(chip, format);
1053 	format = chip->image[OPTi93X_CAPT_FORMAT];
1054 
1055 	count = snd_opti93x_get_count(format, count) - 1;
1056 	snd_opti93x_out_image(chip, OPTi93X_CAPT_LWR_CNT, count);
1057 	snd_opti93x_out_image(chip, OPTi93X_CAPT_UPR_CNT, count >> 8);
1058 
1059 	spin_unlock_irqrestore(&chip->lock, flags);
1060 	return 0;
1061 }
1062 
1063 static snd_pcm_uframes_t snd_opti93x_playback_pointer(struct snd_pcm_substream *substream)
1064 {
1065 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1066 	size_t ptr;
1067 
1068 	if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_PLAYBACK_ENABLE))
1069 		return 0;
1070 
1071 	ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
1072 	return bytes_to_frames(substream->runtime, ptr);
1073 }
1074 
1075 static snd_pcm_uframes_t snd_opti93x_capture_pointer(struct snd_pcm_substream *substream)
1076 {
1077 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1078 	size_t ptr;
1079 
1080 	if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_CAPTURE_ENABLE))
1081 		return 0;
1082 
1083 	ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
1084 	return bytes_to_frames(substream->runtime, ptr);
1085 }
1086 
1087 
1088 static void snd_opti93x_overrange(struct snd_opti93x *chip)
1089 {
1090 	unsigned long flags;
1091 
1092 	spin_lock_irqsave(&chip->lock, flags);
1093 
1094 	if (snd_opti93x_in(chip, OPTi93X_ERR_INIT) & (0x08 | 0x02))
1095 		chip->capture_substream->runtime->overrange++;
1096 
1097 	spin_unlock_irqrestore(&chip->lock, flags);
1098 }
1099 
1100 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
1101 {
1102 	struct snd_opti93x *codec = dev_id;
1103 	unsigned char status;
1104 
1105 	status = snd_opti9xx_read(codec->chip, OPTi9XX_MC_REG(11));
1106 	if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
1107 		snd_pcm_period_elapsed(codec->playback_substream);
1108 	if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
1109 		snd_opti93x_overrange(codec);
1110 		snd_pcm_period_elapsed(codec->capture_substream);
1111 	}
1112 	outb(0x00, OPTi93X_PORT(codec, STATUS));
1113 	return IRQ_HANDLED;
1114 }
1115 
1116 
1117 static struct snd_pcm_hardware snd_opti93x_playback = {
1118 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1119 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1120 	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1121 				 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1122 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1123 	.rate_min =		5512,
1124 	.rate_max =		48000,
1125 	.channels_min =		1,
1126 	.channels_max =		2,
1127 	.buffer_bytes_max =	(128*1024),
1128 	.period_bytes_min =	64,
1129 	.period_bytes_max =	(128*1024),
1130 	.periods_min =		1,
1131 	.periods_max =		1024,
1132 	.fifo_size =		0,
1133 };
1134 
1135 static struct snd_pcm_hardware snd_opti93x_capture = {
1136 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1137 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1138 	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1139 				 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1140 	.rates =		SNDRV_PCM_RATE_8000_48000,
1141 	.rate_min =		5512,
1142 	.rate_max =		48000,
1143 	.channels_min =		1,
1144 	.channels_max =		2,
1145 	.buffer_bytes_max =	(128*1024),
1146 	.period_bytes_min =	64,
1147 	.period_bytes_max =	(128*1024),
1148 	.periods_min =		1,
1149 	.periods_max =		1024,
1150 	.fifo_size =		0,
1151 };
1152 
1153 static int snd_opti93x_playback_open(struct snd_pcm_substream *substream)
1154 {
1155 	int error;
1156 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1157 	struct snd_pcm_runtime *runtime = substream->runtime;
1158 
1159 	if ((error = snd_opti93x_open(chip, OPTi93X_MODE_PLAY)) < 0)
1160 		return error;
1161 	snd_pcm_set_sync(substream);
1162 	chip->playback_substream = substream;
1163 	runtime->hw = snd_opti93x_playback;
1164 	snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
1165 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1166 	return error;
1167 }
1168 
1169 static int snd_opti93x_capture_open(struct snd_pcm_substream *substream)
1170 {
1171 	int error;
1172 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1173 	struct snd_pcm_runtime *runtime = substream->runtime;
1174 
1175 	if ((error = snd_opti93x_open(chip, OPTi93X_MODE_CAPTURE)) < 0)
1176 		return error;
1177 	runtime->hw = snd_opti93x_capture;
1178 	snd_pcm_set_sync(substream);
1179 	chip->capture_substream = substream;
1180 	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
1181 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1182 	return error;
1183 }
1184 
1185 static int snd_opti93x_playback_close(struct snd_pcm_substream *substream)
1186 {
1187 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1188 
1189 	chip->playback_substream = NULL;
1190 	snd_opti93x_close(chip, OPTi93X_MODE_PLAY);
1191 	return 0;
1192 }
1193 
1194 static int snd_opti93x_capture_close(struct snd_pcm_substream *substream)
1195 {
1196 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1197 
1198 	chip->capture_substream = NULL;
1199 	snd_opti93x_close(chip, OPTi93X_MODE_CAPTURE);
1200 	return 0;
1201 }
1202 
1203 
1204 static void snd_opti93x_init(struct snd_opti93x *chip)
1205 {
1206 	unsigned long flags;
1207 	int i;
1208 
1209 	spin_lock_irqsave(&chip->lock, flags);
1210 	snd_opti93x_mce_up(chip);
1211 
1212 	for (i = 0; i < 32; i++)
1213 		snd_opti93x_out_image(chip, i, snd_opti93x_default_image[i]);
1214 
1215 	snd_opti93x_mce_down(chip);
1216 	spin_unlock_irqrestore(&chip->lock, flags);
1217 }
1218 
1219 static int snd_opti93x_probe(struct snd_opti93x *chip)
1220 {
1221 	unsigned long flags;
1222 	unsigned char val;
1223 
1224 	spin_lock_irqsave(&chip->lock, flags);
1225 	val = snd_opti93x_in(chip, OPTi93X_ID) & 0x0f;
1226 	spin_unlock_irqrestore(&chip->lock, flags);
1227 
1228 	return (val == 0x0a) ? 0 : -ENODEV;
1229 }
1230 
1231 static int snd_opti93x_free(struct snd_opti93x *chip)
1232 {
1233 	release_and_free_resource(chip->res_port);
1234 	if (chip->dma1 >= 0) {
1235 		disable_dma(chip->dma1);
1236 		free_dma(chip->dma1);
1237 	}
1238 	if (chip->dma2 >= 0) {
1239 		disable_dma(chip->dma2);
1240 		free_dma(chip->dma2);
1241 	}
1242 	if (chip->irq >= 0) {
1243 	  free_irq(chip->irq, chip);
1244 	}
1245 	kfree(chip);
1246 	return 0;
1247 }
1248 
1249 static int snd_opti93x_dev_free(struct snd_device *device)
1250 {
1251 	struct snd_opti93x *chip = device->device_data;
1252 	return snd_opti93x_free(chip);
1253 }
1254 
1255 static const char *snd_opti93x_chip_id(struct snd_opti93x *codec)
1256 {
1257 	switch (codec->hardware) {
1258 	case OPTi9XX_HW_82C930: return "82C930";
1259 	case OPTi9XX_HW_82C931: return "82C931";
1260 	case OPTi9XX_HW_82C933: return "82C933";
1261 	default:		return "???";
1262 	}
1263 }
1264 
1265 static int snd_opti93x_create(struct snd_card *card, struct snd_opti9xx *chip,
1266 			      int dma1, int dma2,
1267 			      struct snd_opti93x **rcodec)
1268 {
1269 	static struct snd_device_ops ops = {
1270 		.dev_free =	snd_opti93x_dev_free,
1271 	};
1272 	int error;
1273 	struct snd_opti93x *codec;
1274 
1275 	*rcodec = NULL;
1276 	codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1277 	if (codec == NULL)
1278 		return -ENOMEM;
1279 	codec->irq = -1;
1280 	codec->dma1 = -1;
1281 	codec->dma2 = -1;
1282 
1283 	if ((codec->res_port = request_region(chip->wss_base + 4, 4, "OPTI93x CODEC")) == NULL) {
1284 		snd_printk(KERN_ERR "opti9xx: can't grab port 0x%lx\n", chip->wss_base + 4);
1285 		snd_opti93x_free(codec);
1286 		return -EBUSY;
1287 	}
1288 	if (request_dma(dma1, "OPTI93x - 1")) {
1289 		snd_printk(KERN_ERR "opti9xx: can't grab DMA1 %d\n", dma1);
1290 		snd_opti93x_free(codec);
1291 		return -EBUSY;
1292 	}
1293 	codec->dma1 = chip->dma1;
1294 	if (request_dma(dma2, "OPTI93x - 2")) {
1295 		snd_printk(KERN_ERR "opti9xx: can't grab DMA2 %d\n", dma2);
1296 		snd_opti93x_free(codec);
1297 		return -EBUSY;
1298 	}
1299 	codec->dma2 = chip->dma2;
1300 
1301 	if (request_irq(chip->irq, snd_opti93x_interrupt, IRQF_DISABLED, DEV_NAME" - WSS", codec)) {
1302 		snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
1303 		snd_opti93x_free(codec);
1304 		return -EBUSY;
1305 	}
1306 
1307 	codec->card = card;
1308 	codec->port = chip->wss_base + 4;
1309 	codec->irq = chip->irq;
1310 
1311 	spin_lock_init(&codec->lock);
1312 	codec->hardware = chip->hardware;
1313 	codec->chip = chip;
1314 
1315 	if ((error = snd_opti93x_probe(codec))) {
1316 		snd_opti93x_free(codec);
1317 		return error;
1318 	}
1319 
1320 	snd_opti93x_init(codec);
1321 
1322 	/* Register device */
1323 	if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
1324 		snd_opti93x_free(codec);
1325 		return error;
1326 	}
1327 
1328 	*rcodec = codec;
1329 	return 0;
1330 }
1331 
1332 static struct snd_pcm_ops snd_opti93x_playback_ops = {
1333 	.open =		snd_opti93x_playback_open,
1334 	.close =	snd_opti93x_playback_close,
1335 	.ioctl =	snd_pcm_lib_ioctl,
1336 	.hw_params =	snd_opti93x_hw_params,
1337 	.hw_free =	snd_opti93x_hw_free,
1338 	.prepare =	snd_opti93x_playback_prepare,
1339 	.trigger =	snd_opti93x_playback_trigger,
1340 	.pointer =	snd_opti93x_playback_pointer,
1341 };
1342 
1343 static struct snd_pcm_ops snd_opti93x_capture_ops = {
1344 	.open =		snd_opti93x_capture_open,
1345 	.close =	snd_opti93x_capture_close,
1346 	.ioctl =	snd_pcm_lib_ioctl,
1347 	.hw_params =	snd_opti93x_hw_params,
1348 	.hw_free =	snd_opti93x_hw_free,
1349 	.prepare =	snd_opti93x_capture_prepare,
1350 	.trigger =	snd_opti93x_capture_trigger,
1351 	.pointer =	snd_opti93x_capture_pointer,
1352 };
1353 
1354 static int snd_opti93x_pcm(struct snd_opti93x *codec, int device, struct snd_pcm **rpcm)
1355 {
1356 	int error;
1357 	struct snd_pcm *pcm;
1358 
1359 	if ((error = snd_pcm_new(codec->card, "OPTi 82C93X", device, 1, 1, &pcm)) < 0)
1360 		return error;
1361 
1362 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_opti93x_playback_ops);
1363 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_opti93x_capture_ops);
1364 
1365 	pcm->private_data = codec;
1366 	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1367 
1368 	strcpy(pcm->name, snd_opti93x_chip_id(codec));
1369 
1370 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1371 					      snd_dma_isa_data(),
1372 					      64*1024, codec->dma1 > 3 || codec->dma2 > 3 ? 128*1024 : 64*1024);
1373 
1374 	codec->pcm = pcm;
1375 	if (rpcm)
1376 		*rpcm = pcm;
1377 	return 0;
1378 }
1379 
1380 /*
1381  *  MIXER part
1382  */
1383 
1384 static int snd_opti93x_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1385 {
1386 	static char *texts[4] = {
1387 		"Line1", "Aux", "Mic", "Mix"
1388 	};
1389 
1390 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1391 	uinfo->count = 2;
1392 	uinfo->value.enumerated.items = 4;
1393 	if (uinfo->value.enumerated.item > 3)
1394 		uinfo->value.enumerated.item = 3;
1395 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1396 	return 0;
1397 }
1398 
1399 static int snd_opti93x_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1400 {
1401 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1402 	unsigned long flags;
1403 
1404 	spin_lock_irqsave(&chip->lock, flags);
1405 	ucontrol->value.enumerated.item[0] = (chip->image[OPTi93X_MIXOUT_LEFT] & OPTi93X_MIXOUT_MIXER) >> 6;
1406 	ucontrol->value.enumerated.item[1] = (chip->image[OPTi93X_MIXOUT_RIGHT] & OPTi93X_MIXOUT_MIXER) >> 6;
1407 	spin_unlock_irqrestore(&chip->lock, flags);
1408 	return 0;
1409 }
1410 
1411 static int snd_opti93x_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1412 {
1413 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1414 	unsigned long flags;
1415 	unsigned short left, right;
1416 	int change;
1417 
1418 	if (ucontrol->value.enumerated.item[0] > 3 ||
1419 	    ucontrol->value.enumerated.item[1] > 3)
1420 		return -EINVAL;
1421 	left = ucontrol->value.enumerated.item[0] << 6;
1422 	right = ucontrol->value.enumerated.item[1] << 6;
1423 	spin_lock_irqsave(&chip->lock, flags);
1424 	left = (chip->image[OPTi93X_MIXOUT_LEFT] & ~OPTi93X_MIXOUT_MIXER) | left;
1425 	right = (chip->image[OPTi93X_MIXOUT_RIGHT] & ~OPTi93X_MIXOUT_MIXER) | right;
1426 	change = left != chip->image[OPTi93X_MIXOUT_LEFT] ||
1427 	         right != chip->image[OPTi93X_MIXOUT_RIGHT];
1428 	snd_opti93x_out_image(chip, OPTi93X_MIXOUT_LEFT, left);
1429 	snd_opti93x_out_image(chip, OPTi93X_MIXOUT_RIGHT, right);
1430 	spin_unlock_irqrestore(&chip->lock, flags);
1431 	return change;
1432 }
1433 
1434 #if 0
1435 
1436 #define OPTi93X_SINGLE(xname, xindex, reg, shift, mask, invert) \
1437 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1438   .info = snd_opti93x_info_single, \
1439   .get = snd_opti93x_get_single, .put = snd_opti93x_put_single, \
1440   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1441 
1442 static int snd_opti93x_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1443 {
1444 	int mask = (kcontrol->private_value >> 16) & 0xff;
1445 
1446 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1447 	uinfo->count = 1;
1448 	uinfo->value.integer.min = 0;
1449 	uinfo->value.integer.max = mask;
1450 	return 0;
1451 }
1452 
1453 static int snd_opti93x_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1454 {
1455 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1456 	unsigned long flags;
1457 	int reg = kcontrol->private_value & 0xff;
1458 	int shift = (kcontrol->private_value >> 8) & 0xff;
1459 	int mask = (kcontrol->private_value >> 16) & 0xff;
1460 	int invert = (kcontrol->private_value >> 24) & 0xff;
1461 
1462 	spin_lock_irqsave(&chip->lock, flags);
1463 	ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
1464 	spin_unlock_irqrestore(&chip->lock, flags);
1465 	if (invert)
1466 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1467 	return 0;
1468 }
1469 
1470 static int snd_opti93x_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1471 {
1472 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1473 	unsigned long flags;
1474 	int reg = kcontrol->private_value & 0xff;
1475 	int shift = (kcontrol->private_value >> 8) & 0xff;
1476 	int mask = (kcontrol->private_value >> 16) & 0xff;
1477 	int invert = (kcontrol->private_value >> 24) & 0xff;
1478 	int change;
1479 	unsigned short val;
1480 
1481 	val = (ucontrol->value.integer.value[0] & mask);
1482 	if (invert)
1483 		val = mask - val;
1484 	val <<= shift;
1485 	spin_lock_irqsave(&chip->lock, flags);
1486 	val = (chip->image[reg] & ~(mask << shift)) | val;
1487 	change = val != chip->image[reg];
1488 	snd_opti93x_out(chip, reg, val);
1489 	spin_unlock_irqrestore(&chip->lock, flags);
1490 	return change;
1491 }
1492 
1493 #endif /* single */
1494 
1495 #define OPTi93X_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1496 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1497   .info = snd_opti93x_info_double, \
1498   .get = snd_opti93x_get_double, .put = snd_opti93x_put_double, \
1499   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1500 
1501 #define OPTi93X_DOUBLE_INVERT_INVERT(xctl) \
1502 	do { xctl.private_value ^= 22; } while (0)
1503 #define OPTi93X_DOUBLE_CHANGE_REGS(xctl, left_reg, right_reg) \
1504 	do { xctl.private_value &= ~0x0000ffff; \
1505 	     xctl.private_value |= left_reg | (right_reg << 8); } while (0)
1506 
1507 static int snd_opti93x_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1508 {
1509 	int mask = (kcontrol->private_value >> 24) & 0xff;
1510 
1511 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1512 	uinfo->count = 2;
1513 	uinfo->value.integer.min = 0;
1514 	uinfo->value.integer.max = mask;
1515 	return 0;
1516 }
1517 
1518 static int snd_opti93x_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1519 {
1520 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1521 	unsigned long flags;
1522 	int left_reg = kcontrol->private_value & 0xff;
1523 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1524 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1525 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1526 	int mask = (kcontrol->private_value >> 24) & 0xff;
1527 	int invert = (kcontrol->private_value >> 22) & 1;
1528 
1529 	spin_lock_irqsave(&chip->lock, flags);
1530 	ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
1531 	ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask;
1532 	spin_unlock_irqrestore(&chip->lock, flags);
1533 	if (invert) {
1534 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1535 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1536 	}
1537 	return 0;
1538 }
1539 
1540 static int snd_opti93x_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1541 {
1542 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1543 	unsigned long flags;
1544 	int left_reg = kcontrol->private_value & 0xff;
1545 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1546 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1547 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1548 	int mask = (kcontrol->private_value >> 24) & 0xff;
1549 	int invert = (kcontrol->private_value >> 22) & 1;
1550 	int change;
1551 	unsigned short val1, val2;
1552 
1553 	val1 = ucontrol->value.integer.value[0] & mask;
1554 	val2 = ucontrol->value.integer.value[1] & mask;
1555 	if (invert) {
1556 		val1 = mask - val1;
1557 		val2 = mask - val2;
1558 	}
1559 	val1 <<= shift_left;
1560 	val2 <<= shift_right;
1561 	spin_lock_irqsave(&chip->lock, flags);
1562 	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
1563 	val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
1564 	change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
1565 	snd_opti93x_out_image(chip, left_reg, val1);
1566 	snd_opti93x_out_image(chip, right_reg, val2);
1567 	spin_unlock_irqrestore(&chip->lock, flags);
1568 	return change;
1569 }
1570 
1571 static struct snd_kcontrol_new snd_opti93x_controls[] __devinitdata = {
1572 OPTi93X_DOUBLE("Master Playback Switch", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
1573 OPTi93X_DOUBLE("Master Playback Volume", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1),
1574 OPTi93X_DOUBLE("PCM Playback Switch", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 7, 7, 1, 1),
1575 OPTi93X_DOUBLE("PCM Playback Volume", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 0, 0, 31, 1),
1576 OPTi93X_DOUBLE("FM Playback Switch", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 7, 7, 1, 1),
1577 OPTi93X_DOUBLE("FM Playback Volume", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 1, 1, 15, 1),
1578 OPTi93X_DOUBLE("Line Playback Switch", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 7, 7, 1, 1),
1579 OPTi93X_DOUBLE("Line Playback Volume", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 1, 1, 15, 1),
1580 OPTi93X_DOUBLE("Mic Playback Switch", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
1581 OPTi93X_DOUBLE("Mic Playback Volume", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1),
1582 OPTi93X_DOUBLE("Mic Boost", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 5, 5, 1, 1),
1583 OPTi93X_DOUBLE("CD Playback Switch", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 7, 7, 1, 1),
1584 OPTi93X_DOUBLE("CD Playback Volume", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 1, 1, 15, 1),
1585 OPTi93X_DOUBLE("Aux Playback Switch", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
1586 OPTi93X_DOUBLE("Aux Playback Volume", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1),
1587 OPTi93X_DOUBLE("Capture Volume", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 0, 0, 15, 0),
1588 {
1589 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1590 	.name = "Capture Source",
1591 	.info = snd_opti93x_info_mux,
1592 	.get = snd_opti93x_get_mux,
1593 	.put = snd_opti93x_put_mux,
1594 }
1595 };
1596 
1597 static int __devinit snd_opti93x_mixer(struct snd_opti93x *chip)
1598 {
1599 	struct snd_card *card;
1600 	struct snd_kcontrol_new knew;
1601 	int err;
1602 	unsigned int idx;
1603 
1604 	snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
1605 
1606 	card = chip->card;
1607 
1608 	strcpy(card->mixername, snd_opti93x_chip_id(chip));
1609 
1610 	for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
1611 		knew = snd_opti93x_controls[idx];
1612 		if (chip->hardware == OPTi9XX_HW_82C930) {
1613 			if (strstr(knew.name, "FM"))	/* skip FM controls */
1614 				continue;
1615 			else if (strcmp(knew.name, "Mic Playback Volume"))
1616 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1617 			else if (strstr(knew.name, "Aux"))
1618 				OPTi93X_DOUBLE_CHANGE_REGS(knew, OPTi930_AUX_LEFT_INPUT, OPTi930_AUX_RIGHT_INPUT);
1619 			else if (strcmp(knew.name, "PCM Playback Volume"))
1620 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1621 			else if (strcmp(knew.name, "Master Playback Volume"))
1622 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1623 		}
1624 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], chip))) < 0)
1625 			return err;
1626 	}
1627 	return 0;
1628 }
1629 
1630 #endif /* OPTi93X */
1631 
1632 static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
1633 					     struct snd_opti9xx *chip)
1634 {
1635 	int i, err;
1636 
1637 #ifndef OPTi93X
1638 	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
1639 		unsigned char value;
1640 
1641 		if ((err = snd_opti9xx_init(chip, i)) < 0)
1642 			return err;
1643 
1644 		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1645 			continue;
1646 
1647 		value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
1648 		if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1649 			if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
1650 				return 1;
1651 
1652 		release_and_free_resource(chip->res_mc_base);
1653 		chip->res_mc_base = NULL;
1654 
1655 	}
1656 #else	/* OPTi93X */
1657 	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
1658 		unsigned long flags;
1659 		unsigned char value;
1660 
1661 		if ((err = snd_opti9xx_init(chip, i)) < 0)
1662 			return err;
1663 
1664 		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1665 			continue;
1666 
1667 		spin_lock_irqsave(&chip->lock, flags);
1668 		outb(chip->password, chip->mc_base + chip->pwd_reg);
1669 		outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
1670 			((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
1671 		spin_unlock_irqrestore(&chip->lock, flags);
1672 
1673 		value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
1674 		snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
1675 		if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
1676 			return 1;
1677 
1678 		release_and_free_resource(chip->res_mc_base);
1679 		chip->res_mc_base = NULL;
1680 	}
1681 #endif	/* OPTi93X */
1682 
1683 	return -ENODEV;
1684 }
1685 
1686 #ifdef CONFIG_PNP
1687 static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
1688 					  struct pnp_card_link *card,
1689 					  const struct pnp_card_device_id *pid)
1690 {
1691 	struct pnp_dev *pdev;
1692 	int err;
1693 
1694 	chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
1695 	if (chip->dev == NULL)
1696 		return -EBUSY;
1697 
1698 	chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
1699 
1700 	pdev = chip->dev;
1701 
1702 	err = pnp_activate_dev(pdev);
1703 	if (err < 0) {
1704 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
1705 		return err;
1706 	}
1707 
1708 #ifdef OPTi93X
1709 	port = pnp_port_start(pdev, 0) - 4;
1710 	fm_port = pnp_port_start(pdev, 1) + 8;
1711 #else
1712 	if (pid->driver_data != 0x0924)
1713 		port = pnp_port_start(pdev, 1);
1714 	fm_port = pnp_port_start(pdev, 2) + 8;
1715 #endif	/* OPTi93X */
1716 	irq = pnp_irq(pdev, 0);
1717 	dma1 = pnp_dma(pdev, 0);
1718 #if defined(CS4231) || defined(OPTi93X)
1719 	dma2 = pnp_dma(pdev, 1);
1720 #endif	/* CS4231 || OPTi93X */
1721 
1722 	pdev = chip->devmpu;
1723 	if (pdev && mpu_port > 0) {
1724 		err = pnp_activate_dev(pdev);
1725 		if (err < 0) {
1726 			snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
1727 			mpu_port = -1;
1728 			chip->devmpu = NULL;
1729 		} else {
1730 			mpu_port = pnp_port_start(pdev, 0);
1731 			mpu_irq = pnp_irq(pdev, 0);
1732 		}
1733 	}
1734 	return pid->driver_data;
1735 }
1736 #endif	/* CONFIG_PNP */
1737 
1738 static void snd_card_opti9xx_free(struct snd_card *card)
1739 {
1740 	struct snd_opti9xx *chip = card->private_data;
1741 
1742 	if (chip)
1743 		release_and_free_resource(chip->res_mc_base);
1744 }
1745 
1746 static int __devinit snd_opti9xx_probe(struct snd_card *card)
1747 {
1748 	static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1749 	int error;
1750 	struct snd_opti9xx *chip = card->private_data;
1751 #if defined(OPTi93X)
1752 	struct snd_opti93x *codec;
1753 #elif defined(CS4231)
1754 	struct snd_cs4231 *codec;
1755 	struct snd_timer *timer;
1756 #else
1757 	struct snd_ad1848 *codec;
1758 #endif
1759 	struct snd_pcm *pcm;
1760 	struct snd_rawmidi *rmidi;
1761 	struct snd_hwdep *synth;
1762 
1763 	if (! chip->res_mc_base &&
1764 	    (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
1765 						"OPTi9xx MC")) == NULL)
1766 		return -ENOMEM;
1767 
1768 	chip->wss_base = port;
1769 	chip->fm_port = fm_port;
1770 	chip->mpu_port = mpu_port;
1771 	chip->irq = irq;
1772 	chip->mpu_irq = mpu_irq;
1773 	chip->dma1 = dma1;
1774 #if defined(CS4231) || defined(OPTi93X)
1775 	chip->dma2 = dma2;
1776 #endif
1777 
1778 	if (chip->wss_base == SNDRV_AUTO_PORT) {
1779 		if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1780 			snd_printk("unable to find a free WSS port\n");
1781 			return -EBUSY;
1782 		}
1783 	}
1784 	if ((error = snd_opti9xx_configure(chip)))
1785 		return error;
1786 
1787 #if defined(OPTi93X)
1788 	if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec)))
1789 		return error;
1790 	if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0)
1791 		return error;
1792 	if ((error = snd_opti93x_mixer(codec)) < 0)
1793 		return error;
1794 #elif defined(CS4231)
1795 	if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1,
1796 				       chip->irq, chip->dma1, chip->dma2,
1797 				       CS4231_HW_DETECT,
1798 				       0,
1799 				       &codec)) < 0)
1800 		return error;
1801 	if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0)
1802 		return error;
1803 	if ((error = snd_cs4231_mixer(codec)) < 0)
1804 		return error;
1805 	if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0)
1806 		return error;
1807 #else
1808 	if ((error = snd_ad1848_create(card, chip->wss_base + 4,
1809 				       chip->irq, chip->dma1,
1810 				       AD1848_HW_DETECT, &codec)) < 0)
1811 		return error;
1812 	if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0)
1813 		return error;
1814 	if ((error = snd_ad1848_mixer(codec)) < 0)
1815 		return error;
1816 #endif
1817 	strcpy(card->driver, chip->name);
1818 	sprintf(card->shortname, "OPTi %s", card->driver);
1819 #if defined(CS4231) || defined(OPTi93X)
1820 	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
1821 		card->shortname, pcm->name, chip->wss_base + 4,
1822 		chip->irq, chip->dma1, chip->dma2);
1823 #else
1824 	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
1825 		card->shortname, pcm->name, chip->wss_base + 4,
1826 		chip->irq, chip->dma1);
1827 #endif	/* CS4231 || OPTi93X */
1828 
1829 	if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
1830 		rmidi = NULL;
1831 	else
1832 		if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1833 				chip->mpu_port, 0, chip->mpu_irq, IRQF_DISABLED,
1834 				&rmidi)))
1835 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
1836 				   chip->mpu_port);
1837 
1838 	if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
1839 		struct snd_opl3 *opl3 = NULL;
1840 #ifndef OPTi93X
1841 		if (chip->hardware == OPTi9XX_HW_82C928 ||
1842 		    chip->hardware == OPTi9XX_HW_82C929 ||
1843 		    chip->hardware == OPTi9XX_HW_82C924) {
1844 			struct snd_opl4 *opl4;
1845 			/* assume we have an OPL4 */
1846 			snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1847 					       0x20, 0x20);
1848 			if (snd_opl4_create(card,
1849 					    chip->fm_port,
1850 					    chip->fm_port - 8,
1851 					    2, &opl3, &opl4) < 0) {
1852 				/* no luck, use OPL3 instead */
1853 				snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1854 						       0x00, 0x20);
1855 			}
1856 		}
1857 #endif	/* !OPTi93X */
1858 		if (!opl3 && snd_opl3_create(card,
1859 					     chip->fm_port,
1860 					     chip->fm_port + 2,
1861 					     OPL3_HW_AUTO, 0, &opl3) < 0) {
1862 			snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
1863 				   chip->fm_port, chip->fm_port + 4 - 1);
1864 		}
1865 		if (opl3) {
1866 #ifdef CS4231
1867 			const int t1dev = 1;
1868 #else
1869 			const int t1dev = 0;
1870 #endif
1871 			if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
1872 				return error;
1873 			if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
1874 				return error;
1875 		}
1876 	}
1877 
1878 	return snd_card_register(card);
1879 }
1880 
1881 static struct snd_card *snd_opti9xx_card_new(void)
1882 {
1883 	struct snd_card *card;
1884 
1885 	card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
1886 	if (! card)
1887 		return NULL;
1888 	card->private_free = snd_card_opti9xx_free;
1889 	return card;
1890 }
1891 
1892 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
1893 					   unsigned int dev)
1894 {
1895 #ifdef CONFIG_PNP
1896 	if (snd_opti9xx_pnp_is_probed)
1897 		return 0;
1898 	if (isapnp)
1899 		return 0;
1900 #endif
1901 	return 1;
1902 }
1903 
1904 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
1905 					   unsigned int dev)
1906 {
1907 	struct snd_card *card;
1908 	int error;
1909 	static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
1910 #ifdef OPTi93X
1911 	static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
1912 #else
1913 	static int possible_irqs[] = {9, 10, 11, 7, -1};
1914 #endif	/* OPTi93X */
1915 	static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
1916 	static int possible_dma1s[] = {3, 1, 0, -1};
1917 #if defined(CS4231) || defined(OPTi93X)
1918 	static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1919 #endif	/* CS4231 || OPTi93X */
1920 
1921 	if (mpu_port == SNDRV_AUTO_PORT) {
1922 		if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1923 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1924 			return -EBUSY;
1925 		}
1926 	}
1927 	if (irq == SNDRV_AUTO_IRQ) {
1928 		if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1929 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
1930 			return -EBUSY;
1931 		}
1932 	}
1933 	if (mpu_irq == SNDRV_AUTO_IRQ) {
1934 		if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1935 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1936 			return -EBUSY;
1937 		}
1938 	}
1939 	if (dma1 == SNDRV_AUTO_DMA) {
1940 		if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1941 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
1942 			return -EBUSY;
1943 		}
1944 	}
1945 #if defined(CS4231) || defined(OPTi93X)
1946 	if (dma2 == SNDRV_AUTO_DMA) {
1947 		if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1948 			snd_printk("unable to find a free DMA2\n");
1949 			return -EBUSY;
1950 		}
1951 	}
1952 #endif
1953 
1954 	card = snd_opti9xx_card_new();
1955 	if (! card)
1956 		return -ENOMEM;
1957 
1958 	if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1959 		snd_card_free(card);
1960 		return error;
1961 	}
1962 	snd_card_set_dev(card, devptr);
1963 	if ((error = snd_opti9xx_probe(card)) < 0) {
1964 		snd_card_free(card);
1965 		return error;
1966 	}
1967 	dev_set_drvdata(devptr, card);
1968 	return 0;
1969 }
1970 
1971 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
1972 					    unsigned int dev)
1973 {
1974 	snd_card_free(dev_get_drvdata(devptr));
1975 	dev_set_drvdata(devptr, NULL);
1976 	return 0;
1977 }
1978 
1979 static struct isa_driver snd_opti9xx_driver = {
1980 	.match		= snd_opti9xx_isa_match,
1981 	.probe		= snd_opti9xx_isa_probe,
1982 	.remove		= __devexit_p(snd_opti9xx_isa_remove),
1983 	/* FIXME: suspend/resume */
1984 	.driver		= {
1985 		.name	= DEV_NAME
1986 	},
1987 };
1988 
1989 #ifdef CONFIG_PNP
1990 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1991 					   const struct pnp_card_device_id *pid)
1992 {
1993 	struct snd_card *card;
1994 	int error, hw;
1995 	struct snd_opti9xx *chip;
1996 
1997 	if (snd_opti9xx_pnp_is_probed)
1998 		return -EBUSY;
1999 	if (! isapnp)
2000 		return -ENODEV;
2001 	card = snd_opti9xx_card_new();
2002 	if (! card)
2003 		return -ENOMEM;
2004 	chip = card->private_data;
2005 
2006 	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
2007 	switch (hw) {
2008 	case 0x0924:
2009 		hw = OPTi9XX_HW_82C924;
2010 		break;
2011 	case 0x0925:
2012 		hw = OPTi9XX_HW_82C925;
2013 		break;
2014 	case 0x0931:
2015 		hw = OPTi9XX_HW_82C931;
2016 		break;
2017 	default:
2018 		snd_card_free(card);
2019 		return -ENODEV;
2020 	}
2021 
2022 	if ((error = snd_opti9xx_init(chip, hw))) {
2023 		snd_card_free(card);
2024 		return error;
2025 	}
2026 	if (hw <= OPTi9XX_HW_82C930)
2027 		chip->mc_base -= 0x80;
2028 	snd_card_set_dev(card, &pcard->card->dev);
2029 	if ((error = snd_opti9xx_probe(card)) < 0) {
2030 		snd_card_free(card);
2031 		return error;
2032 	}
2033 	pnp_set_card_drvdata(pcard, card);
2034 	snd_opti9xx_pnp_is_probed = 1;
2035 	return 0;
2036 }
2037 
2038 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
2039 {
2040 	snd_card_free(pnp_get_card_drvdata(pcard));
2041 	pnp_set_card_drvdata(pcard, NULL);
2042 	snd_opti9xx_pnp_is_probed = 0;
2043 }
2044 
2045 static struct pnp_card_driver opti9xx_pnpc_driver = {
2046 	.flags		= PNP_DRIVER_RES_DISABLE,
2047 	.name		= "opti9xx",
2048 	.id_table	= snd_opti9xx_pnpids,
2049 	.probe		= snd_opti9xx_pnp_probe,
2050 	.remove		= __devexit_p(snd_opti9xx_pnp_remove),
2051 };
2052 #endif
2053 
2054 #ifdef OPTi93X
2055 #define CHIP_NAME	"82C93x"
2056 #else
2057 #define CHIP_NAME	"82C92x"
2058 #endif
2059 
2060 static int __init alsa_card_opti9xx_init(void)
2061 {
2062 #ifdef CONFIG_PNP
2063 	pnp_register_card_driver(&opti9xx_pnpc_driver);
2064 	if (snd_opti9xx_pnp_is_probed)
2065 		return 0;
2066 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2067 #endif
2068 	return isa_register_driver(&snd_opti9xx_driver, 1);
2069 }
2070 
2071 static void __exit alsa_card_opti9xx_exit(void)
2072 {
2073 	if (!snd_opti9xx_pnp_is_probed) {
2074 		isa_unregister_driver(&snd_opti9xx_driver);
2075 		return;
2076 	}
2077 #ifdef CONFIG_PNP
2078 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2079 #endif
2080 }
2081 
2082 module_init(alsa_card_opti9xx_init)
2083 module_exit(alsa_card_opti9xx_exit)
2084