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 <sound/driver.h>
27 #include <linux/init.h>
28 #include <linux/err.h>
29 #include <linux/platform_device.h>
30 #include <linux/delay.h>
31 #include <linux/slab.h>
32 #include <linux/pnp.h>
33 #include <linux/moduleparam.h>
34 #include <asm/io.h>
35 #include <asm/dma.h>
36 #include <sound/core.h>
37 #ifdef CS4231
38 #include <sound/cs4231.h>
39 #else
40 #ifndef OPTi93X
41 #include <sound/ad1848.h>
42 #else
43 #include <sound/control.h>
44 #include <sound/pcm.h>
45 #endif	/* OPTi93X */
46 #endif	/* CS4231 */
47 #include <sound/mpu401.h>
48 #include <sound/opl3.h>
49 #ifndef OPTi93X
50 #include <sound/opl4.h>
51 #endif
52 #define SNDRV_LEGACY_FIND_FREE_IRQ
53 #define SNDRV_LEGACY_FIND_FREE_DMA
54 #include <sound/initval.h>
55 
56 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
57 MODULE_LICENSE("GPL");
58 #ifdef OPTi93X
59 MODULE_DESCRIPTION("OPTi93X");
60 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
61 #else	/* OPTi93X */
62 #ifdef CS4231
63 MODULE_DESCRIPTION("OPTi92X - CS4231");
64 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
65 		"{OPTi,82C925 (CS4231)}}");
66 #else	/* CS4231 */
67 MODULE_DESCRIPTION("OPTi92X - AD1848");
68 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
69 		"{OPTi,82C925 (AD1848)},"
70 	        "{OAK,Mozart}}");
71 #endif	/* CS4231 */
72 #endif	/* OPTi93X */
73 
74 static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
75 static char *id = SNDRV_DEFAULT_STR1;		/* ID for this card */
76 //static int enable = SNDRV_DEFAULT_ENABLE1;	/* Enable this card */
77 static int isapnp = 1;			/* Enable ISA PnP detection */
78 static long port = SNDRV_DEFAULT_PORT1; 	/* 0x530,0xe80,0xf40,0x604 */
79 static long mpu_port = SNDRV_DEFAULT_PORT1;	/* 0x300,0x310,0x320,0x330 */
80 static long fm_port = SNDRV_DEFAULT_PORT1;	/* 0x388 */
81 static int irq = SNDRV_DEFAULT_IRQ1;		/* 5,7,9,10,11 */
82 static int mpu_irq = SNDRV_DEFAULT_IRQ1;	/* 5,7,9,10 */
83 static int dma1 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
84 #if defined(CS4231) || defined(OPTi93X)
85 static int dma2 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
86 #endif	/* CS4231 || OPTi93X */
87 
88 module_param(index, int, 0444);
89 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
90 module_param(id, charp, 0444);
91 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
92 //module_param(enable, bool, 0444);
93 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
94 module_param(isapnp, bool, 0444);
95 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
96 module_param(port, long, 0444);
97 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
98 module_param(mpu_port, long, 0444);
99 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
100 module_param(fm_port, long, 0444);
101 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
102 module_param(irq, int, 0444);
103 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
104 module_param(mpu_irq, int, 0444);
105 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
106 module_param(dma1, int, 0444);
107 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
108 #if defined(CS4231) || defined(OPTi93X)
109 module_param(dma2, int, 0444);
110 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
111 #endif	/* CS4231 || OPTi93X */
112 
113 #define OPTi9XX_HW_DETECT	0
114 #define OPTi9XX_HW_82C928	1
115 #define OPTi9XX_HW_82C929	2
116 #define OPTi9XX_HW_82C924	3
117 #define OPTi9XX_HW_82C925	4
118 #define OPTi9XX_HW_82C930	5
119 #define OPTi9XX_HW_82C931	6
120 #define OPTi9XX_HW_82C933	7
121 #define OPTi9XX_HW_LAST		OPTi9XX_HW_82C933
122 
123 #define OPTi9XX_MC_REG(n)	n
124 
125 #ifdef OPTi93X
126 
127 #define OPTi93X_INDEX			0x00
128 #define OPTi93X_DATA			0x01
129 #define OPTi93X_STATUS			0x02
130 #define OPTi93X_DDATA			0x03
131 #define OPTi93X_PORT(chip, r)		((chip)->port + OPTi93X_##r)
132 
133 #define OPTi93X_MIXOUT_LEFT		0x00
134 #define OPTi93X_MIXOUT_RIGHT		0x01
135 #define OPTi93X_CD_LEFT_INPUT		0x02
136 #define OPTi93X_CD_RIGHT_INPUT		0x03
137 #define OPTi930_AUX_LEFT_INPUT		0x04
138 #define OPTi930_AUX_RIGHT_INPUT		0x05
139 #define OPTi931_FM_LEFT_INPUT		0x04
140 #define OPTi931_FM_RIGHT_INPUT		0x05
141 #define OPTi93X_DAC_LEFT		0x06
142 #define OPTi93X_DAC_RIGHT		0x07
143 #define OPTi93X_PLAY_FORMAT		0x08
144 #define OPTi93X_IFACE_CONF		0x09
145 #define OPTi93X_PIN_CTRL		0x0a
146 #define OPTi93X_ERR_INIT		0x0b
147 #define OPTi93X_ID			0x0c
148 #define OPTi93X_PLAY_UPR_CNT		0x0e
149 #define OPTi93X_PLAY_LWR_CNT		0x0f
150 #define OPTi931_AUX_LEFT_INPUT		0x10
151 #define OPTi931_AUX_RIGHT_INPUT		0x11
152 #define OPTi93X_LINE_LEFT_INPUT		0x12
153 #define OPTi93X_LINE_RIGHT_INPUT	0x13
154 #define OPTi93X_MIC_LEFT_INPUT		0x14
155 #define OPTi93X_MIC_RIGHT_INPUT		0x15
156 #define OPTi93X_OUT_LEFT		0x16
157 #define OPTi93X_OUT_RIGHT		0x17
158 #define OPTi93X_CAPT_FORMAT		0x1c
159 #define OPTi93X_CAPT_UPR_CNT		0x1e
160 #define OPTi93X_CAPT_LWR_CNT		0x1f
161 
162 #define OPTi93X_TRD			0x20
163 #define OPTi93X_MCE			0x40
164 #define OPTi93X_INIT			0x80
165 
166 #define OPTi93X_MIXOUT_MIC_GAIN		0x20
167 #define OPTi93X_MIXOUT_LINE		0x00
168 #define OPTi93X_MIXOUT_CD		0x40
169 #define OPTi93X_MIXOUT_MIC		0x80
170 #define OPTi93X_MIXOUT_MIXER		0xc0
171 
172 #define OPTi93X_STEREO			0x10
173 #define OPTi93X_LINEAR_8		0x00
174 #define OPTi93X_ULAW_8			0x20
175 #define OPTi93X_LINEAR_16_LIT		0x40
176 #define OPTi93X_ALAW_8			0x60
177 #define OPTi93X_ADPCM_16		0xa0
178 #define OPTi93X_LINEAR_16_BIG		0xc0
179 
180 #define OPTi93X_CAPTURE_PIO		0x80
181 #define OPTi93X_PLAYBACK_PIO		0x40
182 #define OPTi93X_AUTOCALIB		0x08
183 #define OPTi93X_SINGLE_DMA		0x04
184 #define OPTi93X_CAPTURE_ENABLE		0x02
185 #define OPTi93X_PLAYBACK_ENABLE		0x01
186 
187 #define OPTi93X_IRQ_ENABLE		0x02
188 
189 #define OPTi93X_DMA_REQUEST		0x10
190 #define OPTi93X_CALIB_IN_PROGRESS	0x20
191 
192 #define OPTi93X_IRQ_PLAYBACK		0x04
193 #define OPTi93X_IRQ_CAPTURE		0x08
194 
195 
196 struct snd_opti93x {
197 	unsigned long port;
198 	struct resource *res_port;
199 	int irq;
200 	int dma1;
201 	int dma2;
202 
203 	struct snd_opti9xx *chip;
204 	unsigned short hardware;
205 	unsigned char image[32];
206 
207 	unsigned char mce_bit;
208 	unsigned short mode;
209 	int mute;
210 
211 	spinlock_t lock;
212 
213 	struct snd_card *card;
214 	struct snd_pcm *pcm;
215 	struct snd_pcm_substream *playback_substream;
216 	struct snd_pcm_substream *capture_substream;
217 	unsigned int p_dma_size;
218 	unsigned int c_dma_size;
219 };
220 
221 #define OPTi93X_MODE_NONE	0x00
222 #define OPTi93X_MODE_PLAY	0x01
223 #define OPTi93X_MODE_CAPTURE	0x02
224 #define OPTi93X_MODE_OPEN	(OPTi93X_MODE_PLAY | OPTi93X_MODE_CAPTURE)
225 
226 #endif /* OPTi93X */
227 
228 struct snd_opti9xx {
229 	unsigned short hardware;
230 	unsigned char password;
231 	char name[7];
232 
233 	unsigned long mc_base;
234 	struct resource *res_mc_base;
235 	unsigned long mc_base_size;
236 #ifdef OPTi93X
237 	unsigned long mc_indir_index;
238 #endif	/* OPTi93X */
239 	unsigned long pwd_reg;
240 
241 	spinlock_t lock;
242 
243 	long wss_base;
244 	int irq;
245 	int dma1;
246 #if defined(CS4231) || defined(OPTi93X)
247 	int dma2;
248 #endif	/* CS4231 || OPTi93X */
249 
250 	long fm_port;
251 
252 	long mpu_port;
253 	int mpu_irq;
254 
255 #ifdef CONFIG_PNP
256 	struct pnp_dev *dev;
257 	struct pnp_dev *devmpu;
258 #endif	/* CONFIG_PNP */
259 };
260 
261 static int snd_opti9xx_pnp_is_probed;
262 static struct platform_device *snd_opti9xx_platform_device;
263 
264 #ifdef CONFIG_PNP
265 
266 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
267 #ifndef OPTi93X
268 	/* OPTi 82C924 */
269 	{ .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
270 	/* OPTi 82C925 */
271 	{ .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
272 #else
273 	/* OPTi 82C931/3 */
274 	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
275 #endif	/* OPTi93X */
276 	{ .id = "" }
277 };
278 
279 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
280 
281 #endif	/* CONFIG_PNP */
282 
283 #ifdef OPTi93X
284 #define DRIVER_NAME	"snd-card-opti93x"
285 #else
286 #define DRIVER_NAME	"snd-card-opti92x"
287 #endif	/* OPTi93X */
288 
289 static char * snd_opti9xx_names[] = {
290 	"unkown",
291 	"82C928",	"82C929",
292 	"82C924",	"82C925",
293 	"82C930",	"82C931",	"82C933"
294 };
295 
296 
297 static long __init snd_legacy_find_free_ioport(long *port_table, long size)
298 {
299 	while (*port_table != -1) {
300 		if (request_region(*port_table, size, "ALSA test")) {
301 			release_region(*port_table, size);
302 			return *port_table;
303 		}
304 		port_table++;
305 	}
306 	return -1;
307 }
308 
309 static int __init snd_opti9xx_init(struct snd_opti9xx *chip, unsigned short hardware)
310 {
311 	static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
312 
313 	chip->hardware = hardware;
314 	strcpy(chip->name, snd_opti9xx_names[hardware]);
315 
316 	chip->mc_base_size = opti9xx_mc_size[hardware];
317 
318 	spin_lock_init(&chip->lock);
319 
320 	chip->wss_base = -1;
321 	chip->irq = -1;
322 	chip->dma1 = -1;
323 #if defined(CS4231) || defined (OPTi93X)
324 	chip->dma2 = -1;
325 #endif 	/* CS4231 || OPTi93X */
326 	chip->fm_port = -1;
327 	chip->mpu_port = -1;
328 	chip->mpu_irq = -1;
329 
330 	switch (hardware) {
331 #ifndef OPTi93X
332 	case OPTi9XX_HW_82C928:
333 	case OPTi9XX_HW_82C929:
334 		chip->mc_base = 0xf8c;
335 		chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
336 		chip->pwd_reg = 3;
337 		break;
338 
339 	case OPTi9XX_HW_82C924:
340 	case OPTi9XX_HW_82C925:
341 		chip->mc_base = 0xf8c;
342 		chip->password = 0xe5;
343 		chip->pwd_reg = 3;
344 		break;
345 #else	/* OPTi93X */
346 
347 	case OPTi9XX_HW_82C930:
348 	case OPTi9XX_HW_82C931:
349 	case OPTi9XX_HW_82C933:
350 		chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
351 		chip->mc_indir_index = 0xe0e;
352 		chip->password = 0xe4;
353 		chip->pwd_reg = 0;
354 		break;
355 #endif	/* OPTi93X */
356 
357 	default:
358 		snd_printk("chip %d not supported\n", hardware);
359 		return -ENODEV;
360 	}
361 	return 0;
362 }
363 
364 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
365 				      unsigned char reg)
366 {
367 	unsigned long flags;
368 	unsigned char retval = 0xff;
369 
370 	spin_lock_irqsave(&chip->lock, flags);
371 	outb(chip->password, chip->mc_base + chip->pwd_reg);
372 
373 	switch (chip->hardware) {
374 #ifndef OPTi93X
375 	case OPTi9XX_HW_82C924:
376 	case OPTi9XX_HW_82C925:
377 		if (reg > 7) {
378 			outb(reg, chip->mc_base + 8);
379 			outb(chip->password, chip->mc_base + chip->pwd_reg);
380 			retval = inb(chip->mc_base + 9);
381 			break;
382 		}
383 
384 	case OPTi9XX_HW_82C928:
385 	case OPTi9XX_HW_82C929:
386 		retval = inb(chip->mc_base + reg);
387 		break;
388 #else	/* OPTi93X */
389 
390 	case OPTi9XX_HW_82C930:
391 	case OPTi9XX_HW_82C931:
392 	case OPTi9XX_HW_82C933:
393 		outb(reg, chip->mc_indir_index);
394 		outb(chip->password, chip->mc_base + chip->pwd_reg);
395 		retval = inb(chip->mc_indir_index + 1);
396 		break;
397 #endif	/* OPTi93X */
398 
399 	default:
400 		snd_printk("chip %d not supported\n", chip->hardware);
401 	}
402 
403 	spin_unlock_irqrestore(&chip->lock, flags);
404 	return retval;
405 }
406 
407 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
408 			      unsigned char value)
409 {
410 	unsigned long flags;
411 
412 	spin_lock_irqsave(&chip->lock, flags);
413 	outb(chip->password, chip->mc_base + chip->pwd_reg);
414 
415 	switch (chip->hardware) {
416 #ifndef OPTi93X
417 	case OPTi9XX_HW_82C924:
418 	case OPTi9XX_HW_82C925:
419 		if (reg > 7) {
420 			outb(reg, chip->mc_base + 8);
421 			outb(chip->password, chip->mc_base + chip->pwd_reg);
422 			outb(value, chip->mc_base + 9);
423 			break;
424 		}
425 
426 	case OPTi9XX_HW_82C928:
427 	case OPTi9XX_HW_82C929:
428 		outb(value, chip->mc_base + reg);
429 		break;
430 #else	/* OPTi93X */
431 
432 	case OPTi9XX_HW_82C930:
433 	case OPTi9XX_HW_82C931:
434 	case OPTi9XX_HW_82C933:
435 		outb(reg, chip->mc_indir_index);
436 		outb(chip->password, chip->mc_base + chip->pwd_reg);
437 		outb(value, chip->mc_indir_index + 1);
438 		break;
439 #endif	/* OPTi93X */
440 
441 	default:
442 		snd_printk("chip %d not supported\n", chip->hardware);
443 	}
444 
445 	spin_unlock_irqrestore(&chip->lock, flags);
446 }
447 
448 
449 #define snd_opti9xx_write_mask(chip, reg, value, mask)	\
450 	snd_opti9xx_write(chip, reg,			\
451 		(snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
452 
453 
454 static int __init snd_opti9xx_configure(struct snd_opti9xx *chip)
455 {
456 	unsigned char wss_base_bits;
457 	unsigned char irq_bits;
458 	unsigned char dma_bits;
459 	unsigned char mpu_port_bits = 0;
460 	unsigned char mpu_irq_bits;
461 
462 	switch (chip->hardware) {
463 #ifndef OPTi93X
464 	case OPTi9XX_HW_82C924:
465 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
466 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
467 
468 	case OPTi9XX_HW_82C925:
469 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
470 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
471 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
472 #ifdef CS4231
473 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
474 #else
475 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
476 #endif	/* CS4231 */
477 		break;
478 
479 	case OPTi9XX_HW_82C928:
480 	case OPTi9XX_HW_82C929:
481 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
482 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
483 		/*
484 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
485 		*/
486 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
487 #ifdef CS4231
488 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
489 #else
490 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
491 #endif	/* CS4231 */
492 		break;
493 
494 #else	/* OPTi93X */
495 	case OPTi9XX_HW_82C930:
496 	case OPTi9XX_HW_82C931:
497 	case OPTi9XX_HW_82C933:
498 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
499 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
500 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
501 			(chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
502 			0x34);
503 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
504 		break;
505 #endif	/* OPTi93X */
506 
507 	default:
508 		snd_printk("chip %d not supported\n", chip->hardware);
509 		return -EINVAL;
510 	}
511 
512 	switch (chip->wss_base) {
513 	case 0x530:
514 		wss_base_bits = 0x00;
515 		break;
516 	case 0x604:
517 		wss_base_bits = 0x03;
518 		break;
519 	case 0xe80:
520 		wss_base_bits = 0x01;
521 		break;
522 	case 0xf40:
523 		wss_base_bits = 0x02;
524 		break;
525 	default:
526 		snd_printk("WSS port 0x%lx not valid\n", chip->wss_base);
527 		goto __skip_base;
528 	}
529 	snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
530 
531 __skip_base:
532 	switch (chip->irq) {
533 //#ifdef OPTi93X
534 	case 5:
535 		irq_bits = 0x05;
536 		break;
537 //#endif	/* OPTi93X */
538 	case 7:
539 		irq_bits = 0x01;
540 		break;
541 	case 9:
542 		irq_bits = 0x02;
543 		break;
544 	case 10:
545 		irq_bits = 0x03;
546 		break;
547 	case 11:
548 		irq_bits = 0x04;
549 		break;
550 	default:
551 		snd_printk("WSS irq # %d not valid\n", chip->irq);
552 		goto __skip_resources;
553 	}
554 
555 	switch (chip->dma1) {
556 	case 0:
557 		dma_bits = 0x01;
558 		break;
559 	case 1:
560 		dma_bits = 0x02;
561 		break;
562 	case 3:
563 		dma_bits = 0x03;
564 		break;
565 	default:
566 		snd_printk("WSS dma1 # %d not valid\n", chip->dma1);
567 		goto __skip_resources;
568 	}
569 
570 #if defined(CS4231) || defined(OPTi93X)
571 	if (chip->dma1 == chip->dma2) {
572 		snd_printk("don't want to share dmas\n");
573 		return -EBUSY;
574 	}
575 
576 	switch (chip->dma2) {
577 	case 0:
578 	case 1:
579 		break;
580 	default:
581 		snd_printk("WSS dma2 # %d not valid\n", chip->dma2);
582 		goto __skip_resources;
583 	}
584 	dma_bits |= 0x04;
585 #endif	/* CS4231 || OPTi93X */
586 
587 #ifndef OPTi93X
588 	 outb(irq_bits << 3 | dma_bits, chip->wss_base);
589 #else /* OPTi93X */
590 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
591 #endif /* OPTi93X */
592 
593 __skip_resources:
594 	if (chip->hardware > OPTi9XX_HW_82C928) {
595 		switch (chip->mpu_port) {
596 		case 0:
597 		case -1:
598 			break;
599 		case 0x300:
600 			mpu_port_bits = 0x03;
601 			break;
602 		case 0x310:
603 			mpu_port_bits = 0x02;
604 			break;
605 		case 0x320:
606 			mpu_port_bits = 0x01;
607 			break;
608 		case 0x330:
609 			mpu_port_bits = 0x00;
610 			break;
611 		default:
612 			snd_printk("MPU-401 port 0x%lx not valid\n",
613 				chip->mpu_port);
614 			goto __skip_mpu;
615 		}
616 
617 		switch (chip->mpu_irq) {
618 		case 5:
619 			mpu_irq_bits = 0x02;
620 			break;
621 		case 7:
622 			mpu_irq_bits = 0x03;
623 			break;
624 		case 9:
625 			mpu_irq_bits = 0x00;
626 			break;
627 		case 10:
628 			mpu_irq_bits = 0x01;
629 			break;
630 		default:
631 			snd_printk("MPU-401 irq # %d not valid\n",
632 				chip->mpu_irq);
633 			goto __skip_mpu;
634 		}
635 
636 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
637 			(chip->mpu_port <= 0) ? 0x00 :
638 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
639 			0xf8);
640 	}
641 __skip_mpu:
642 
643 	return 0;
644 }
645 
646 #ifdef OPTi93X
647 
648 static unsigned char snd_opti93x_default_image[32] =
649 {
650 	0x00,		/* 00/00 - l_mixout_outctrl */
651 	0x00,		/* 01/01 - r_mixout_outctrl */
652 	0x88,		/* 02/02 - l_cd_inctrl */
653 	0x88,		/* 03/03 - r_cd_inctrl */
654 	0x88,		/* 04/04 - l_a1/fm_inctrl */
655 	0x88,		/* 05/05 - r_a1/fm_inctrl */
656 	0x80,		/* 06/06 - l_dac_inctrl */
657 	0x80,		/* 07/07 - r_dac_inctrl */
658 	0x00,		/* 08/08 - ply_dataform_reg */
659 	0x00,		/* 09/09 - if_conf */
660 	0x00,		/* 0a/10 - pin_ctrl */
661 	0x00,		/* 0b/11 - err_init_reg */
662 	0x0a,		/* 0c/12 - id_reg */
663 	0x00,		/* 0d/13 - reserved */
664 	0x00,		/* 0e/14 - ply_upcount_reg */
665 	0x00,		/* 0f/15 - ply_lowcount_reg */
666 	0x88,		/* 10/16 - reserved/l_a1_inctrl */
667 	0x88,		/* 11/17 - reserved/r_a1_inctrl */
668 	0x88,		/* 12/18 - l_line_inctrl */
669 	0x88,		/* 13/19 - r_line_inctrl */
670 	0x88,		/* 14/20 - l_mic_inctrl */
671 	0x88,		/* 15/21 - r_mic_inctrl */
672 	0x80,		/* 16/22 - l_out_outctrl */
673 	0x80,		/* 17/23 - r_out_outctrl */
674 	0x00,		/* 18/24 - reserved */
675 	0x00,		/* 19/25 - reserved */
676 	0x00,		/* 1a/26 - reserved */
677 	0x00,		/* 1b/27 - reserved */
678 	0x00,		/* 1c/28 - cap_dataform_reg */
679 	0x00,		/* 1d/29 - reserved */
680 	0x00,		/* 1e/30 - cap_upcount_reg */
681 	0x00		/* 1f/31 - cap_lowcount_reg */
682 };
683 
684 
685 static int snd_opti93x_busy_wait(struct snd_opti93x *chip)
686 {
687 	int timeout;
688 
689 	for (timeout = 250; timeout-- > 0; udelay(10))
690 		if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_INIT))
691 			return 0;
692 
693 	snd_printk("chip still busy.\n");
694 	return -EBUSY;
695 }
696 
697 static unsigned char snd_opti93x_in(struct snd_opti93x *chip, unsigned char reg)
698 {
699 	snd_opti93x_busy_wait(chip);
700 	outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
701 	return inb(OPTi93X_PORT(chip, DATA));
702 }
703 
704 static void snd_opti93x_out(struct snd_opti93x *chip, unsigned char reg,
705 			    unsigned char value)
706 {
707 	snd_opti93x_busy_wait(chip);
708 	outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
709 	outb(value, OPTi93X_PORT(chip, DATA));
710 }
711 
712 static void snd_opti93x_out_image(struct snd_opti93x *chip, unsigned char reg,
713 				  unsigned char value)
714 {
715 	snd_opti93x_out(chip, reg, chip->image[reg] = value);
716 }
717 
718 static void snd_opti93x_out_mask(struct snd_opti93x *chip, unsigned char reg,
719 				 unsigned char mask, unsigned char value)
720 {
721 	snd_opti93x_out_image(chip, reg,
722 		(chip->image[reg] & ~mask) | (value & mask));
723 }
724 
725 
726 static void snd_opti93x_mce_up(struct snd_opti93x *chip)
727 {
728 	snd_opti93x_busy_wait(chip);
729 
730 	chip->mce_bit = OPTi93X_MCE;
731 	if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE))
732 		outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
733 }
734 
735 static void snd_opti93x_mce_down(struct snd_opti93x *chip)
736 {
737 	snd_opti93x_busy_wait(chip);
738 
739 	chip->mce_bit = 0;
740 	if (inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE)
741 		outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
742 }
743 
744 #define snd_opti93x_mute_reg(chip, reg, mute)	\
745 	snd_opti93x_out(chip, reg, mute ? 0x80 : chip->image[reg]);
746 
747 static void snd_opti93x_mute(struct snd_opti93x *chip, int mute)
748 {
749 	mute = mute ? 1 : 0;
750 	if (chip->mute == mute)
751 		return;
752 
753 	chip->mute = mute;
754 
755 	snd_opti93x_mute_reg(chip, OPTi93X_CD_LEFT_INPUT, mute);
756 	snd_opti93x_mute_reg(chip, OPTi93X_CD_RIGHT_INPUT, mute);
757 	switch (chip->hardware) {
758 	case OPTi9XX_HW_82C930:
759 		snd_opti93x_mute_reg(chip, OPTi930_AUX_LEFT_INPUT, mute);
760 		snd_opti93x_mute_reg(chip, OPTi930_AUX_RIGHT_INPUT, mute);
761 		break;
762 	case OPTi9XX_HW_82C931:
763 	case OPTi9XX_HW_82C933:
764 		snd_opti93x_mute_reg(chip, OPTi931_FM_LEFT_INPUT, mute);
765 		snd_opti93x_mute_reg(chip, OPTi931_FM_RIGHT_INPUT, mute);
766 		snd_opti93x_mute_reg(chip, OPTi931_AUX_LEFT_INPUT, mute);
767 		snd_opti93x_mute_reg(chip, OPTi931_AUX_RIGHT_INPUT, mute);
768 	}
769 	snd_opti93x_mute_reg(chip, OPTi93X_DAC_LEFT, mute);
770 	snd_opti93x_mute_reg(chip, OPTi93X_DAC_RIGHT, mute);
771 	snd_opti93x_mute_reg(chip, OPTi93X_LINE_LEFT_INPUT, mute);
772 	snd_opti93x_mute_reg(chip, OPTi93X_LINE_RIGHT_INPUT, mute);
773 	snd_opti93x_mute_reg(chip, OPTi93X_MIC_LEFT_INPUT, mute);
774 	snd_opti93x_mute_reg(chip, OPTi93X_MIC_RIGHT_INPUT, mute);
775 	snd_opti93x_mute_reg(chip, OPTi93X_OUT_LEFT, mute);
776 	snd_opti93x_mute_reg(chip, OPTi93X_OUT_RIGHT, mute);
777 }
778 
779 
780 static unsigned int snd_opti93x_get_count(unsigned char format,
781 					  unsigned int size)
782 {
783 	switch (format & 0xe0) {
784 	case OPTi93X_LINEAR_16_LIT:
785 	case OPTi93X_LINEAR_16_BIG:
786 		size >>= 1;
787 		break;
788 	case OPTi93X_ADPCM_16:
789 		return size >> 2;
790 	}
791 	return (format & OPTi93X_STEREO) ? (size >> 1) : size;
792 }
793 
794 static unsigned int rates[] = {  5512,  6615,  8000,  9600, 11025, 16000,
795 				18900, 22050, 27428, 32000, 33075, 37800,
796 				44100, 48000 };
797 #define RATES ARRAY_SIZE(rates)
798 
799 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
800 	.count = RATES,
801 	.list = rates,
802 	.mask = 0,
803 };
804 
805 static unsigned char bits[] = {  0x01,  0x0f,  0x00,  0x0e,  0x03,  0x02,
806 				 0x05,  0x07,  0x04,  0x06,  0x0d,  0x09,
807 				 0x0b,  0x0c};
808 
809 static unsigned char snd_opti93x_get_freq(unsigned int rate)
810 {
811 	unsigned int i;
812 
813 	for (i = 0; i < RATES; i++) {
814 		if (rate == rates[i])
815 			return bits[i];
816 	}
817 	snd_BUG();
818 	return bits[RATES-1];
819 }
820 
821 static unsigned char snd_opti93x_get_format(struct snd_opti93x *chip,
822 					    unsigned int format, int channels)
823 {
824 	unsigned char retval = OPTi93X_LINEAR_8;
825 
826 	switch (format) {
827 	case SNDRV_PCM_FORMAT_MU_LAW:
828 		retval = OPTi93X_ULAW_8;
829 		break;
830 	case SNDRV_PCM_FORMAT_A_LAW:
831 		retval = OPTi93X_ALAW_8;
832 		break;
833 	case SNDRV_PCM_FORMAT_S16_LE:
834 		retval = OPTi93X_LINEAR_16_LIT;
835 		break;
836 	case SNDRV_PCM_FORMAT_S16_BE:
837 		retval = OPTi93X_LINEAR_16_BIG;
838 		break;
839 	case SNDRV_PCM_FORMAT_IMA_ADPCM:
840 		retval = OPTi93X_ADPCM_16;
841 	}
842 	return (channels > 1) ? (retval | OPTi93X_STEREO) : retval;
843 }
844 
845 
846 static void snd_opti93x_playback_format(struct snd_opti93x *chip, unsigned char fmt)
847 {
848 	unsigned char mask;
849 
850 	snd_opti93x_mute(chip, 1);
851 
852 	snd_opti93x_mce_up(chip);
853 	mask = (chip->mode & OPTi93X_MODE_CAPTURE) ? 0xf0 : 0xff;
854 	snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, mask, fmt);
855 	snd_opti93x_mce_down(chip);
856 
857 	snd_opti93x_mute(chip, 0);
858 }
859 
860 static void snd_opti93x_capture_format(struct snd_opti93x *chip, unsigned char fmt)
861 {
862 	snd_opti93x_mute(chip, 1);
863 
864 	snd_opti93x_mce_up(chip);
865 	if (!(chip->mode & OPTi93X_MODE_PLAY))
866 		snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, 0x0f, fmt);
867 	else
868 		fmt = chip->image[OPTi93X_PLAY_FORMAT] & 0xf0;
869 	snd_opti93x_out_image(chip, OPTi93X_CAPT_FORMAT, fmt);
870 	snd_opti93x_mce_down(chip);
871 
872 	snd_opti93x_mute(chip, 0);
873 }
874 
875 
876 static int snd_opti93x_open(struct snd_opti93x *chip, unsigned int mode)
877 {
878 	unsigned long flags;
879 
880 	spin_lock_irqsave(&chip->lock, flags);
881 
882 	if (chip->mode & mode) {
883 		spin_unlock_irqrestore(&chip->lock, flags);
884 		return -EAGAIN;
885 	}
886 
887 	if (!(chip->mode & OPTi93X_MODE_OPEN)) {
888 		outb(0x00, OPTi93X_PORT(chip, STATUS));
889 		snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL,
890 			OPTi93X_IRQ_ENABLE, OPTi93X_IRQ_ENABLE);
891 		chip->mode = mode;
892 	}
893 	else
894 		chip->mode |= mode;
895 
896 	spin_unlock_irqrestore(&chip->lock, flags);
897 	return 0;
898 }
899 
900 static void snd_opti93x_close(struct snd_opti93x *chip, unsigned int mode)
901 {
902 	unsigned long flags;
903 
904 	spin_lock_irqsave(&chip->lock, flags);
905 
906 	chip->mode &= ~mode;
907 	if (chip->mode & OPTi93X_MODE_OPEN) {
908 		spin_unlock_irqrestore(&chip->lock, flags);
909 		return;
910 	}
911 
912 	snd_opti93x_mute(chip, 1);
913 
914 	outb(0, OPTi93X_PORT(chip, STATUS));
915 	snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL, OPTi93X_IRQ_ENABLE,
916 		~OPTi93X_IRQ_ENABLE);
917 
918 	snd_opti93x_mce_up(chip);
919 	snd_opti93x_out_image(chip, OPTi93X_IFACE_CONF, 0x00);
920 	snd_opti93x_mce_down(chip);
921 	chip->mode = 0;
922 
923 	snd_opti93x_mute(chip, 0);
924 	spin_unlock_irqrestore(&chip->lock, flags);
925 }
926 
927 static int snd_opti93x_trigger(struct snd_pcm_substream *substream,
928 			       unsigned char what, int cmd)
929 {
930 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
931 
932 	switch (cmd) {
933 	case SNDRV_PCM_TRIGGER_START:
934 	case SNDRV_PCM_TRIGGER_STOP:
935 	{
936 		unsigned int what = 0;
937 		struct list_head *pos;
938 		struct snd_pcm_substream *s;
939 		snd_pcm_group_for_each(pos, substream) {
940 			s = snd_pcm_group_substream_entry(pos);
941 			if (s == chip->playback_substream) {
942 				what |= OPTi93X_PLAYBACK_ENABLE;
943 				snd_pcm_trigger_done(s, substream);
944 			} else if (s == chip->capture_substream) {
945 				what |= OPTi93X_CAPTURE_ENABLE;
946 				snd_pcm_trigger_done(s, substream);
947 			}
948 		}
949 		spin_lock(&chip->lock);
950 		if (cmd == SNDRV_PCM_TRIGGER_START) {
951 			snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, what);
952 			if (what & OPTi93X_CAPTURE_ENABLE)
953 				udelay(50);
954 		} else
955 			snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, 0x00);
956 		spin_unlock(&chip->lock);
957 		break;
958 	}
959 	default:
960 		return -EINVAL;
961 	}
962 	return 0;
963 }
964 
965 static int snd_opti93x_playback_trigger(struct snd_pcm_substream *substream, int cmd)
966 {
967 	return snd_opti93x_trigger(substream,
968 				   OPTi93X_PLAYBACK_ENABLE, cmd);
969 }
970 
971 static int snd_opti93x_capture_trigger(struct snd_pcm_substream *substream, int cmd)
972 {
973 	return snd_opti93x_trigger(substream,
974 				   OPTi93X_CAPTURE_ENABLE, cmd);
975 }
976 
977 static int snd_opti93x_hw_params(struct snd_pcm_substream *substream,
978 				 struct snd_pcm_hw_params *hw_params)
979 {
980 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
981 }
982 
983 
984 static int snd_opti93x_hw_free(struct snd_pcm_substream *substream)
985 {
986 	snd_pcm_lib_free_pages(substream);
987 	return 0;
988 }
989 
990 
991 static int snd_opti93x_playback_prepare(struct snd_pcm_substream *substream)
992 {
993 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
994 	struct snd_pcm_runtime *runtime = substream->runtime;
995 	unsigned long flags;
996 	unsigned char format;
997 	unsigned int count = snd_pcm_lib_period_bytes(substream);
998 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
999 
1000 	spin_lock_irqsave(&chip->lock, flags);
1001 
1002 	chip->p_dma_size = size;
1003 	snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1004 		OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO,
1005 		~(OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO));
1006 
1007 	snd_dma_program(chip->dma1, runtime->dma_addr, size,
1008 		DMA_MODE_WRITE | DMA_AUTOINIT);
1009 
1010 	format = snd_opti93x_get_freq(runtime->rate);
1011 	format |= snd_opti93x_get_format(chip, runtime->format,
1012 		runtime->channels);
1013 	snd_opti93x_playback_format(chip, format);
1014 	format = chip->image[OPTi93X_PLAY_FORMAT];
1015 
1016 	count = snd_opti93x_get_count(format, count) - 1;
1017 	snd_opti93x_out_image(chip, OPTi93X_PLAY_LWR_CNT, count);
1018 	snd_opti93x_out_image(chip, OPTi93X_PLAY_UPR_CNT, count >> 8);
1019 
1020 	spin_unlock_irqrestore(&chip->lock, flags);
1021 	return 0;
1022 }
1023 
1024 static int snd_opti93x_capture_prepare(struct snd_pcm_substream *substream)
1025 {
1026 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1027 	struct snd_pcm_runtime *runtime = substream->runtime;
1028 	unsigned long flags;
1029 	unsigned char format;
1030 	unsigned int count = snd_pcm_lib_period_bytes(substream);
1031 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1032 
1033 	spin_lock_irqsave(&chip->lock, flags);
1034 
1035 	chip->c_dma_size = size;
1036 	snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1037 		OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO, 0);
1038 
1039 	snd_dma_program(chip->dma2, runtime->dma_addr, size,
1040 		DMA_MODE_READ | DMA_AUTOINIT);
1041 
1042 	format = snd_opti93x_get_freq(runtime->rate);
1043 	format |= snd_opti93x_get_format(chip, runtime->format,
1044 		runtime->channels);
1045 	snd_opti93x_capture_format(chip, format);
1046 	format = chip->image[OPTi93X_CAPT_FORMAT];
1047 
1048 	count = snd_opti93x_get_count(format, count) - 1;
1049 	snd_opti93x_out_image(chip, OPTi93X_CAPT_LWR_CNT, count);
1050 	snd_opti93x_out_image(chip, OPTi93X_CAPT_UPR_CNT, count >> 8);
1051 
1052 	spin_unlock_irqrestore(&chip->lock, flags);
1053 	return 0;
1054 }
1055 
1056 static snd_pcm_uframes_t snd_opti93x_playback_pointer(struct snd_pcm_substream *substream)
1057 {
1058 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1059 	size_t ptr;
1060 
1061 	if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_PLAYBACK_ENABLE))
1062 		return 0;
1063 
1064 	ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
1065 	return bytes_to_frames(substream->runtime, ptr);
1066 }
1067 
1068 static snd_pcm_uframes_t snd_opti93x_capture_pointer(struct snd_pcm_substream *substream)
1069 {
1070 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1071 	size_t ptr;
1072 
1073 	if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_CAPTURE_ENABLE))
1074 		return 0;
1075 
1076 	ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
1077 	return bytes_to_frames(substream->runtime, ptr);
1078 }
1079 
1080 
1081 static void snd_opti93x_overrange(struct snd_opti93x *chip)
1082 {
1083 	unsigned long flags;
1084 
1085 	spin_lock_irqsave(&chip->lock, flags);
1086 
1087 	if (snd_opti93x_in(chip, OPTi93X_ERR_INIT) & (0x08 | 0x02))
1088 		chip->capture_substream->runtime->overrange++;
1089 
1090 	spin_unlock_irqrestore(&chip->lock, flags);
1091 }
1092 
1093 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1094 {
1095 	struct snd_opti93x *codec = dev_id;
1096 	unsigned char status;
1097 
1098 	status = snd_opti9xx_read(codec->chip, OPTi9XX_MC_REG(11));
1099 	if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
1100 		snd_pcm_period_elapsed(codec->playback_substream);
1101 	if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
1102 		snd_opti93x_overrange(codec);
1103 		snd_pcm_period_elapsed(codec->capture_substream);
1104 	}
1105 	outb(0x00, OPTi93X_PORT(codec, STATUS));
1106 	return IRQ_HANDLED;
1107 }
1108 
1109 
1110 static struct snd_pcm_hardware snd_opti93x_playback = {
1111 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1112 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1113 	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1114 				 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1115 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1116 	.rate_min =		5512,
1117 	.rate_max =		48000,
1118 	.channels_min =		1,
1119 	.channels_max =		2,
1120 	.buffer_bytes_max =	(128*1024),
1121 	.period_bytes_min =	64,
1122 	.period_bytes_max =	(128*1024),
1123 	.periods_min =		1,
1124 	.periods_max =		1024,
1125 	.fifo_size =		0,
1126 };
1127 
1128 static struct snd_pcm_hardware snd_opti93x_capture = {
1129 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1130 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1131 	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1132 				 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1133 	.rates =		SNDRV_PCM_RATE_8000_48000,
1134 	.rate_min =		5512,
1135 	.rate_max =		48000,
1136 	.channels_min =		1,
1137 	.channels_max =		2,
1138 	.buffer_bytes_max =	(128*1024),
1139 	.period_bytes_min =	64,
1140 	.period_bytes_max =	(128*1024),
1141 	.periods_min =		1,
1142 	.periods_max =		1024,
1143 	.fifo_size =		0,
1144 };
1145 
1146 static int snd_opti93x_playback_open(struct snd_pcm_substream *substream)
1147 {
1148 	int error;
1149 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1150 	struct snd_pcm_runtime *runtime = substream->runtime;
1151 
1152 	if ((error = snd_opti93x_open(chip, OPTi93X_MODE_PLAY)) < 0)
1153 		return error;
1154 	snd_pcm_set_sync(substream);
1155 	chip->playback_substream = substream;
1156 	runtime->hw = snd_opti93x_playback;
1157 	snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
1158 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1159 	return error;
1160 }
1161 
1162 static int snd_opti93x_capture_open(struct snd_pcm_substream *substream)
1163 {
1164 	int error;
1165 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1166 	struct snd_pcm_runtime *runtime = substream->runtime;
1167 
1168 	if ((error = snd_opti93x_open(chip, OPTi93X_MODE_CAPTURE)) < 0)
1169 		return error;
1170 	runtime->hw = snd_opti93x_capture;
1171 	snd_pcm_set_sync(substream);
1172 	chip->capture_substream = substream;
1173 	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
1174 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1175 	return error;
1176 }
1177 
1178 static int snd_opti93x_playback_close(struct snd_pcm_substream *substream)
1179 {
1180 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1181 
1182 	chip->playback_substream = NULL;
1183 	snd_opti93x_close(chip, OPTi93X_MODE_PLAY);
1184 	return 0;
1185 }
1186 
1187 static int snd_opti93x_capture_close(struct snd_pcm_substream *substream)
1188 {
1189 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1190 
1191 	chip->capture_substream = NULL;
1192 	snd_opti93x_close(chip, OPTi93X_MODE_CAPTURE);
1193 	return 0;
1194 }
1195 
1196 
1197 static void snd_opti93x_init(struct snd_opti93x *chip)
1198 {
1199 	unsigned long flags;
1200 	int i;
1201 
1202 	spin_lock_irqsave(&chip->lock, flags);
1203 	snd_opti93x_mce_up(chip);
1204 
1205 	for (i = 0; i < 32; i++)
1206 		snd_opti93x_out_image(chip, i, snd_opti93x_default_image[i]);
1207 
1208 	snd_opti93x_mce_down(chip);
1209 	spin_unlock_irqrestore(&chip->lock, flags);
1210 }
1211 
1212 static int snd_opti93x_probe(struct snd_opti93x *chip)
1213 {
1214 	unsigned long flags;
1215 	unsigned char val;
1216 
1217 	spin_lock_irqsave(&chip->lock, flags);
1218 	val = snd_opti93x_in(chip, OPTi93X_ID) & 0x0f;
1219 	spin_unlock_irqrestore(&chip->lock, flags);
1220 
1221 	return (val == 0x0a) ? 0 : -ENODEV;
1222 }
1223 
1224 static int snd_opti93x_free(struct snd_opti93x *chip)
1225 {
1226 	release_and_free_resource(chip->res_port);
1227 	if (chip->dma1 >= 0) {
1228 		disable_dma(chip->dma1);
1229 		free_dma(chip->dma1);
1230 	}
1231 	if (chip->dma2 >= 0) {
1232 		disable_dma(chip->dma2);
1233 		free_dma(chip->dma2);
1234 	}
1235 	if (chip->irq >= 0) {
1236 	  free_irq(chip->irq, chip);
1237 	}
1238 	kfree(chip);
1239 	return 0;
1240 }
1241 
1242 static int snd_opti93x_dev_free(struct snd_device *device)
1243 {
1244 	struct snd_opti93x *chip = device->device_data;
1245 	return snd_opti93x_free(chip);
1246 }
1247 
1248 static const char *snd_opti93x_chip_id(struct snd_opti93x *codec)
1249 {
1250 	switch (codec->hardware) {
1251 	case OPTi9XX_HW_82C930: return "82C930";
1252 	case OPTi9XX_HW_82C931: return "82C931";
1253 	case OPTi9XX_HW_82C933: return "82C933";
1254 	default:		return "???";
1255 	}
1256 }
1257 
1258 static int snd_opti93x_create(struct snd_card *card, struct snd_opti9xx *chip,
1259 			      int dma1, int dma2,
1260 			      struct snd_opti93x **rcodec)
1261 {
1262 	static struct snd_device_ops ops = {
1263 		.dev_free =	snd_opti93x_dev_free,
1264 	};
1265 	int error;
1266 	struct snd_opti93x *codec;
1267 
1268 	*rcodec = NULL;
1269 	codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1270 	if (codec == NULL)
1271 		return -ENOMEM;
1272 	codec->irq = -1;
1273 	codec->dma1 = -1;
1274 	codec->dma2 = -1;
1275 
1276 	if ((codec->res_port = request_region(chip->wss_base + 4, 4, "OPTI93x CODEC")) == NULL) {
1277 		snd_printk(KERN_ERR "opti9xx: can't grab port 0x%lx\n", chip->wss_base + 4);
1278 		snd_opti93x_free(codec);
1279 		return -EBUSY;
1280 	}
1281 	if (request_dma(dma1, "OPTI93x - 1")) {
1282 		snd_printk(KERN_ERR "opti9xx: can't grab DMA1 %d\n", dma1);
1283 		snd_opti93x_free(codec);
1284 		return -EBUSY;
1285 	}
1286 	codec->dma1 = chip->dma1;
1287 	if (request_dma(dma2, "OPTI93x - 2")) {
1288 		snd_printk(KERN_ERR "opti9xx: can't grab DMA2 %d\n", dma2);
1289 		snd_opti93x_free(codec);
1290 		return -EBUSY;
1291 	}
1292 	codec->dma2 = chip->dma2;
1293 
1294 	if (request_irq(chip->irq, snd_opti93x_interrupt, SA_INTERRUPT, DRIVER_NAME" - WSS", codec)) {
1295 		snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
1296 		snd_opti93x_free(codec);
1297 		return -EBUSY;
1298 	}
1299 
1300 	codec->card = card;
1301 	codec->port = chip->wss_base + 4;
1302 	codec->irq = chip->irq;
1303 
1304 	spin_lock_init(&codec->lock);
1305 	codec->hardware = chip->hardware;
1306 	codec->chip = chip;
1307 
1308 	if ((error = snd_opti93x_probe(codec))) {
1309 		snd_opti93x_free(codec);
1310 		return error;
1311 	}
1312 
1313 	snd_opti93x_init(codec);
1314 
1315 	/* Register device */
1316 	if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
1317 		snd_opti93x_free(codec);
1318 		return error;
1319 	}
1320 
1321 	*rcodec = codec;
1322 	return 0;
1323 }
1324 
1325 static struct snd_pcm_ops snd_opti93x_playback_ops = {
1326 	.open =		snd_opti93x_playback_open,
1327 	.close =	snd_opti93x_playback_close,
1328 	.ioctl =	snd_pcm_lib_ioctl,
1329 	.hw_params =	snd_opti93x_hw_params,
1330 	.hw_free =	snd_opti93x_hw_free,
1331 	.prepare =	snd_opti93x_playback_prepare,
1332 	.trigger =	snd_opti93x_playback_trigger,
1333 	.pointer =	snd_opti93x_playback_pointer,
1334 };
1335 
1336 static struct snd_pcm_ops snd_opti93x_capture_ops = {
1337 	.open =		snd_opti93x_capture_open,
1338 	.close =	snd_opti93x_capture_close,
1339 	.ioctl =	snd_pcm_lib_ioctl,
1340 	.hw_params =	snd_opti93x_hw_params,
1341 	.hw_free =	snd_opti93x_hw_free,
1342 	.prepare =	snd_opti93x_capture_prepare,
1343 	.trigger =	snd_opti93x_capture_trigger,
1344 	.pointer =	snd_opti93x_capture_pointer,
1345 };
1346 
1347 static int snd_opti93x_pcm(struct snd_opti93x *codec, int device, struct snd_pcm **rpcm)
1348 {
1349 	int error;
1350 	struct snd_pcm *pcm;
1351 
1352 	if ((error = snd_pcm_new(codec->card, "OPTi 82C93X", device, 1, 1, &pcm)))
1353 		return error;
1354 
1355 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_opti93x_playback_ops);
1356 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_opti93x_capture_ops);
1357 
1358 	pcm->private_data = codec;
1359 	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1360 
1361 	strcpy(pcm->name, snd_opti93x_chip_id(codec));
1362 
1363 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1364 					      snd_dma_isa_data(),
1365 					      64*1024, codec->dma1 > 3 || codec->dma2 > 3 ? 128*1024 : 64*1024);
1366 
1367 	codec->pcm = pcm;
1368 	if (rpcm)
1369 		*rpcm = pcm;
1370 	return 0;
1371 }
1372 
1373 /*
1374  *  MIXER part
1375  */
1376 
1377 static int snd_opti93x_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1378 {
1379 	static char *texts[4] = {
1380 		"Line1", "Aux", "Mic", "Mix"
1381 	};
1382 
1383 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1384 	uinfo->count = 2;
1385 	uinfo->value.enumerated.items = 4;
1386 	if (uinfo->value.enumerated.item > 3)
1387 		uinfo->value.enumerated.item = 3;
1388 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1389 	return 0;
1390 }
1391 
1392 static int snd_opti93x_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1393 {
1394 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1395 	unsigned long flags;
1396 
1397 	spin_lock_irqsave(&chip->lock, flags);
1398 	ucontrol->value.enumerated.item[0] = (chip->image[OPTi93X_MIXOUT_LEFT] & OPTi93X_MIXOUT_MIXER) >> 6;
1399 	ucontrol->value.enumerated.item[1] = (chip->image[OPTi93X_MIXOUT_RIGHT] & OPTi93X_MIXOUT_MIXER) >> 6;
1400 	spin_unlock_irqrestore(&chip->lock, flags);
1401 	return 0;
1402 }
1403 
1404 static int snd_opti93x_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1405 {
1406 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1407 	unsigned long flags;
1408 	unsigned short left, right;
1409 	int change;
1410 
1411 	if (ucontrol->value.enumerated.item[0] > 3 ||
1412 	    ucontrol->value.enumerated.item[1] > 3)
1413 		return -EINVAL;
1414 	left = ucontrol->value.enumerated.item[0] << 6;
1415 	right = ucontrol->value.enumerated.item[1] << 6;
1416 	spin_lock_irqsave(&chip->lock, flags);
1417 	left = (chip->image[OPTi93X_MIXOUT_LEFT] & ~OPTi93X_MIXOUT_MIXER) | left;
1418 	right = (chip->image[OPTi93X_MIXOUT_RIGHT] & ~OPTi93X_MIXOUT_MIXER) | right;
1419 	change = left != chip->image[OPTi93X_MIXOUT_LEFT] ||
1420 	         right != chip->image[OPTi93X_MIXOUT_RIGHT];
1421 	snd_opti93x_out_image(chip, OPTi93X_MIXOUT_LEFT, left);
1422 	snd_opti93x_out_image(chip, OPTi93X_MIXOUT_RIGHT, right);
1423 	spin_unlock_irqrestore(&chip->lock, flags);
1424 	return change;
1425 }
1426 
1427 #if 0
1428 
1429 #define OPTi93X_SINGLE(xname, xindex, reg, shift, mask, invert) \
1430 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1431   .info = snd_opti93x_info_single, \
1432   .get = snd_opti93x_get_single, .put = snd_opti93x_put_single, \
1433   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1434 
1435 static int snd_opti93x_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1436 {
1437 	int mask = (kcontrol->private_value >> 16) & 0xff;
1438 
1439 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1440 	uinfo->count = 1;
1441 	uinfo->value.integer.min = 0;
1442 	uinfo->value.integer.max = mask;
1443 	return 0;
1444 }
1445 
1446 static int snd_opti93x_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1447 {
1448 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1449 	unsigned long flags;
1450 	int reg = kcontrol->private_value & 0xff;
1451 	int shift = (kcontrol->private_value >> 8) & 0xff;
1452 	int mask = (kcontrol->private_value >> 16) & 0xff;
1453 	int invert = (kcontrol->private_value >> 24) & 0xff;
1454 
1455 	spin_lock_irqsave(&chip->lock, flags);
1456 	ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
1457 	spin_unlock_irqrestore(&chip->lock, flags);
1458 	if (invert)
1459 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1460 	return 0;
1461 }
1462 
1463 static int snd_opti93x_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1464 {
1465 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1466 	unsigned long flags;
1467 	int reg = kcontrol->private_value & 0xff;
1468 	int shift = (kcontrol->private_value >> 8) & 0xff;
1469 	int mask = (kcontrol->private_value >> 16) & 0xff;
1470 	int invert = (kcontrol->private_value >> 24) & 0xff;
1471 	int change;
1472 	unsigned short val;
1473 
1474 	val = (ucontrol->value.integer.value[0] & mask);
1475 	if (invert)
1476 		val = mask - val;
1477 	val <<= shift;
1478 	spin_lock_irqsave(&chip->lock, flags);
1479 	val = (chip->image[reg] & ~(mask << shift)) | val;
1480 	change = val != chip->image[reg];
1481 	snd_opti93x_out(chip, reg, val);
1482 	spin_unlock_irqrestore(&chip->lock, flags);
1483 	return change;
1484 }
1485 
1486 #endif /* single */
1487 
1488 #define OPTi93X_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1489 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1490   .info = snd_opti93x_info_double, \
1491   .get = snd_opti93x_get_double, .put = snd_opti93x_put_double, \
1492   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1493 
1494 #define OPTi93X_DOUBLE_INVERT_INVERT(xctl) \
1495 	do { xctl.private_value ^= 22; } while (0)
1496 #define OPTi93X_DOUBLE_CHANGE_REGS(xctl, left_reg, right_reg) \
1497 	do { xctl.private_value &= ~0x0000ffff; \
1498 	     xctl.private_value |= left_reg | (right_reg << 8); } while (0)
1499 
1500 static int snd_opti93x_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1501 {
1502 	int mask = (kcontrol->private_value >> 24) & 0xff;
1503 
1504 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1505 	uinfo->count = 2;
1506 	uinfo->value.integer.min = 0;
1507 	uinfo->value.integer.max = mask;
1508 	return 0;
1509 }
1510 
1511 static int snd_opti93x_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1512 {
1513 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1514 	unsigned long flags;
1515 	int left_reg = kcontrol->private_value & 0xff;
1516 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1517 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1518 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1519 	int mask = (kcontrol->private_value >> 24) & 0xff;
1520 	int invert = (kcontrol->private_value >> 22) & 1;
1521 
1522 	spin_lock_irqsave(&chip->lock, flags);
1523 	ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
1524 	ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask;
1525 	spin_unlock_irqrestore(&chip->lock, flags);
1526 	if (invert) {
1527 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1528 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1529 	}
1530 	return 0;
1531 }
1532 
1533 static int snd_opti93x_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1534 {
1535 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1536 	unsigned long flags;
1537 	int left_reg = kcontrol->private_value & 0xff;
1538 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1539 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1540 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1541 	int mask = (kcontrol->private_value >> 24) & 0xff;
1542 	int invert = (kcontrol->private_value >> 22) & 1;
1543 	int change;
1544 	unsigned short val1, val2;
1545 
1546 	val1 = ucontrol->value.integer.value[0] & mask;
1547 	val2 = ucontrol->value.integer.value[1] & mask;
1548 	if (invert) {
1549 		val1 = mask - val1;
1550 		val2 = mask - val2;
1551 	}
1552 	val1 <<= shift_left;
1553 	val2 <<= shift_right;
1554 	spin_lock_irqsave(&chip->lock, flags);
1555 	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
1556 	val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
1557 	change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
1558 	snd_opti93x_out_image(chip, left_reg, val1);
1559 	snd_opti93x_out_image(chip, right_reg, val2);
1560 	spin_unlock_irqrestore(&chip->lock, flags);
1561 	return change;
1562 }
1563 
1564 static struct snd_kcontrol_new snd_opti93x_controls[] = {
1565 OPTi93X_DOUBLE("Master Playback Switch", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
1566 OPTi93X_DOUBLE("Master Playback Volume", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1),
1567 OPTi93X_DOUBLE("PCM Playback Switch", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 7, 7, 1, 1),
1568 OPTi93X_DOUBLE("PCM Playback Volume", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 0, 0, 31, 1),
1569 OPTi93X_DOUBLE("FM Playback Switch", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 7, 7, 1, 1),
1570 OPTi93X_DOUBLE("FM Playback Volume", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 1, 1, 15, 1),
1571 OPTi93X_DOUBLE("Line Playback Switch", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 7, 7, 1, 1),
1572 OPTi93X_DOUBLE("Line Playback Volume", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 1, 1, 15, 1),
1573 OPTi93X_DOUBLE("Mic Playback Switch", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
1574 OPTi93X_DOUBLE("Mic Playback Volume", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1),
1575 OPTi93X_DOUBLE("Mic Boost", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 5, 5, 1, 1),
1576 OPTi93X_DOUBLE("CD Playback Switch", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 7, 7, 1, 1),
1577 OPTi93X_DOUBLE("CD Playback Volume", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 1, 1, 15, 1),
1578 OPTi93X_DOUBLE("Aux Playback Switch", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
1579 OPTi93X_DOUBLE("Aux Playback Volume", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1),
1580 OPTi93X_DOUBLE("Capture Volume", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 0, 0, 15, 0),
1581 {
1582 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1583 	.name = "Capture Source",
1584 	.info = snd_opti93x_info_mux,
1585 	.get = snd_opti93x_get_mux,
1586 	.put = snd_opti93x_put_mux,
1587 }
1588 };
1589 
1590 static int snd_opti93x_mixer(struct snd_opti93x *chip)
1591 {
1592 	struct snd_card *card;
1593 	struct snd_kcontrol_new knew;
1594 	int err;
1595 	unsigned int idx;
1596 
1597 	snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
1598 
1599 	card = chip->card;
1600 
1601 	strcpy(card->mixername, snd_opti93x_chip_id(chip));
1602 
1603 	for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
1604 		knew = snd_opti93x_controls[idx];
1605 		if (chip->hardware == OPTi9XX_HW_82C930) {
1606 			if (strstr(knew.name, "FM"))	/* skip FM controls */
1607 				continue;
1608 			else if (strcmp(knew.name, "Mic Playback Volume"))
1609 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1610 			else if (strstr(knew.name, "Aux"))
1611 				OPTi93X_DOUBLE_CHANGE_REGS(knew, OPTi930_AUX_LEFT_INPUT, OPTi930_AUX_RIGHT_INPUT);
1612 			else if (strcmp(knew.name, "PCM Playback Volume"))
1613 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1614 			else if (strcmp(knew.name, "Master Playback Volume"))
1615 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1616 		}
1617 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], chip))) < 0)
1618 			return err;
1619 	}
1620 	return 0;
1621 }
1622 
1623 #endif /* OPTi93X */
1624 
1625 static int __init snd_card_opti9xx_detect(struct snd_card *card, struct snd_opti9xx *chip)
1626 {
1627 	int i, err;
1628 
1629 #ifndef OPTi93X
1630 	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
1631 		unsigned char value;
1632 
1633 		if ((err = snd_opti9xx_init(chip, i)) < 0)
1634 			return err;
1635 
1636 		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1637 			continue;
1638 
1639 		value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
1640 		if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1641 			if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
1642 				return 1;
1643 
1644 		release_and_free_resource(chip->res_mc_base);
1645 		chip->res_mc_base = NULL;
1646 
1647 	}
1648 #else	/* OPTi93X */
1649 	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
1650 		unsigned long flags;
1651 		unsigned char value;
1652 
1653 		if ((err = snd_opti9xx_init(chip, i)) < 0)
1654 			return err;
1655 
1656 		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1657 			continue;
1658 
1659 		spin_lock_irqsave(&chip->lock, flags);
1660 		outb(chip->password, chip->mc_base + chip->pwd_reg);
1661 		outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
1662 			((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
1663 		spin_unlock_irqrestore(&chip->lock, flags);
1664 
1665 		value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
1666 		snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
1667 		if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
1668 			return 1;
1669 
1670 		release_and_free_resource(chip->res_mc_base);
1671 		chip->res_mc_base = NULL;
1672 	}
1673 #endif	/* OPTi93X */
1674 
1675 	return -ENODEV;
1676 }
1677 
1678 #ifdef CONFIG_PNP
1679 static int __init snd_card_opti9xx_pnp(struct snd_opti9xx *chip, struct pnp_card_link *card,
1680 				       const struct pnp_card_device_id *pid)
1681 {
1682 	struct pnp_dev *pdev;
1683 	struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
1684 	int err;
1685 
1686 	chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
1687 	if (chip->dev == NULL) {
1688 		kfree(cfg);
1689 		return -EBUSY;
1690 	}
1691 	chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
1692 
1693 	pdev = chip->dev;
1694 	pnp_init_resource_table(cfg);
1695 
1696 #ifdef OPTi93X
1697 	if (port != SNDRV_AUTO_PORT)
1698 		pnp_resource_change(&cfg->port_resource[0], port + 4, 4);
1699 #else
1700 	if (pid->driver_data != 0x0924 && port != SNDRV_AUTO_PORT)
1701 		pnp_resource_change(&cfg->port_resource[1], port, 4);
1702 #endif	/* OPTi93X */
1703 	if (irq != SNDRV_AUTO_IRQ)
1704 		pnp_resource_change(&cfg->irq_resource[0], irq, 1);
1705 	if (dma1 != SNDRV_AUTO_DMA)
1706 		pnp_resource_change(&cfg->dma_resource[0], dma1, 1);
1707 #if defined(CS4231) || defined(OPTi93X)
1708 	if (dma2 != SNDRV_AUTO_DMA)
1709 		pnp_resource_change(&cfg->dma_resource[1], dma2, 1);
1710 #else
1711 #ifdef snd_opti9xx_fixup_dma2
1712 	snd_opti9xx_fixup_dma2(pdev);
1713 #endif
1714 #endif	/* CS4231 || OPTi93X */
1715 #ifdef OPTi93X
1716 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1717 		pnp_resource_change(&cfg->port_resource[1], fm_port, 4);
1718 #else
1719 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1720 		pnp_resource_change(&cfg->port_resource[2], fm_port, 4);
1721 #endif
1722 	if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1723 		snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1724 	err = pnp_activate_dev(pdev);
1725 	if (err < 0) {
1726 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
1727 		kfree(cfg);
1728 		return err;
1729 	}
1730 
1731 #ifdef OPTi93X
1732 	port = pnp_port_start(pdev, 0) - 4;
1733 	fm_port = pnp_port_start(pdev, 1);
1734 #else
1735 	if (pid->driver_data != 0x0924)
1736 		port = pnp_port_start(pdev, 1);
1737 	fm_port = pnp_port_start(pdev, 2);
1738 #endif	/* OPTi93X */
1739 	irq = pnp_irq(pdev, 0);
1740 	dma1 = pnp_dma(pdev, 0);
1741 #if defined(CS4231) || defined(OPTi93X)
1742 	dma2 = pnp_dma(pdev, 1);
1743 #endif	/* CS4231 || OPTi93X */
1744 
1745 	pdev = chip->devmpu;
1746 	if (pdev && mpu_port > 0) {
1747 		pnp_init_resource_table(cfg);
1748 
1749 		if (mpu_port != SNDRV_AUTO_PORT)
1750 			pnp_resource_change(&cfg->port_resource[0], mpu_port, 2);
1751 		if (mpu_irq != SNDRV_AUTO_IRQ)
1752 			pnp_resource_change(&cfg->irq_resource[0], mpu_irq, 1);
1753 
1754 		if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1755 			snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1756 		err = pnp_activate_dev(pdev);
1757 		if (err < 0) {
1758 			snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
1759 			mpu_port = -1;
1760 			chip->devmpu = NULL;
1761 		} else {
1762 			mpu_port = pnp_port_start(pdev, 0);
1763 			mpu_irq = pnp_irq(pdev, 0);
1764 		}
1765 	}
1766 	kfree(cfg);
1767 	return pid->driver_data;
1768 }
1769 #endif	/* CONFIG_PNP */
1770 
1771 static void snd_card_opti9xx_free(struct snd_card *card)
1772 {
1773 	struct snd_opti9xx *chip = card->private_data;
1774 
1775 	if (chip)
1776 		release_and_free_resource(chip->res_mc_base);
1777 }
1778 
1779 static int __init snd_opti9xx_probe(struct snd_card *card)
1780 {
1781 	static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1782 	int error;
1783 	struct snd_opti9xx *chip = card->private_data;
1784 #if defined(OPTi93X)
1785 	struct snd_opti93x *codec;
1786 #elif defined(CS4231)
1787 	struct snd_cs4231 *codec;
1788 	struct snd_timer *timer;
1789 #else
1790 	struct snd_ad1848 *codec;
1791 #endif
1792 	struct snd_pcm *pcm;
1793 	struct snd_rawmidi *rmidi;
1794 	struct snd_hwdep *synth;
1795 
1796 	if (! chip->res_mc_base &&
1797 	    (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
1798 						"OPTi9xx MC")) == NULL)
1799 		return -ENOMEM;
1800 
1801 	chip->wss_base = port;
1802 	chip->fm_port = fm_port;
1803 	chip->mpu_port = mpu_port;
1804 	chip->irq = irq;
1805 	chip->mpu_irq = mpu_irq;
1806 	chip->dma1 = dma1;
1807 #if defined(CS4231) || defined(OPTi93X)
1808 	chip->dma2 = dma2;
1809 #endif
1810 
1811 	if (chip->wss_base == SNDRV_AUTO_PORT) {
1812 		if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1813 			snd_printk("unable to find a free WSS port\n");
1814 			return -EBUSY;
1815 		}
1816 	}
1817 	if ((error = snd_opti9xx_configure(chip)))
1818 		return error;
1819 
1820 #if defined(OPTi93X)
1821 	if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec)))
1822 		return error;
1823 	if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0)
1824 		return error;
1825 	if ((error = snd_opti93x_mixer(codec)) < 0)
1826 		return error;
1827 #elif defined(CS4231)
1828 	if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1,
1829 				       chip->irq, chip->dma1, chip->dma2,
1830 				       CS4231_HW_DETECT,
1831 				       0,
1832 				       &codec)) < 0)
1833 		return error;
1834 	if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0)
1835 		return error;
1836 	if ((error = snd_cs4231_mixer(codec)) < 0)
1837 		return error;
1838 	if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0)
1839 		return error;
1840 #else
1841 	if ((error = snd_ad1848_create(card, chip->wss_base + 4,
1842 				       chip->irq, chip->dma1,
1843 				       AD1848_HW_DETECT, &codec)) < 0)
1844 		return error;
1845 	if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0)
1846 		return error;
1847 	if ((error = snd_ad1848_mixer(codec)) < 0)
1848 		return error;
1849 #endif
1850 	strcpy(card->driver, chip->name);
1851 	sprintf(card->shortname, "OPTi %s", card->driver);
1852 #if defined(CS4231) || defined(OPTi93X)
1853 	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
1854 		card->shortname, pcm->name, chip->wss_base + 4,
1855 		chip->irq, chip->dma1, chip->dma2);
1856 #else
1857 	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
1858 		card->shortname, pcm->name, chip->wss_base + 4,
1859 		chip->irq, chip->dma1);
1860 #endif	/* CS4231 || OPTi93X */
1861 
1862 	if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
1863 		rmidi = NULL;
1864 	else
1865 		if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1866 				chip->mpu_port, 0, chip->mpu_irq, SA_INTERRUPT,
1867 				&rmidi)))
1868 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
1869 				   chip->mpu_port);
1870 
1871 	if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
1872 		struct snd_opl3 *opl3 = NULL;
1873 #ifndef OPTi93X
1874 		if (chip->hardware == OPTi9XX_HW_82C928 ||
1875 		    chip->hardware == OPTi9XX_HW_82C929 ||
1876 		    chip->hardware == OPTi9XX_HW_82C924) {
1877 			struct snd_opl4 *opl4;
1878 			/* assume we have an OPL4 */
1879 			snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1880 					       0x20, 0x20);
1881 			if (snd_opl4_create(card,
1882 					    chip->fm_port,
1883 					    chip->fm_port - 8,
1884 					    2, &opl3, &opl4) < 0) {
1885 				/* no luck, use OPL3 instead */
1886 				snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1887 						       0x00, 0x20);
1888 			}
1889 		}
1890 #endif	/* !OPTi93X */
1891 		if (!opl3 && snd_opl3_create(card,
1892 					     chip->fm_port,
1893 					     chip->fm_port + 2,
1894 					     OPL3_HW_AUTO, 0, &opl3) < 0) {
1895 			snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
1896 				   chip->fm_port, chip->fm_port + 4 - 1);
1897 		}
1898 		if (opl3) {
1899 #ifdef CS4231
1900 			const int t1dev = 1;
1901 #else
1902 			const int t1dev = 0;
1903 #endif
1904 			if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
1905 				return error;
1906 			if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
1907 				return error;
1908 		}
1909 	}
1910 
1911 	return snd_card_register(card);
1912 }
1913 
1914 static struct snd_card *snd_opti9xx_card_new(void)
1915 {
1916 	struct snd_card *card;
1917 
1918 	card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
1919 	if (! card)
1920 		return NULL;
1921 	card->private_free = snd_card_opti9xx_free;
1922 	return card;
1923 }
1924 
1925 static int __init snd_opti9xx_nonpnp_probe(struct platform_device *devptr)
1926 {
1927 	struct snd_card *card;
1928 	int error;
1929 	static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
1930 #ifdef OPTi93X
1931 	static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
1932 #else
1933 	static int possible_irqs[] = {9, 10, 11, 7, -1};
1934 #endif	/* OPTi93X */
1935 	static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
1936 	static int possible_dma1s[] = {3, 1, 0, -1};
1937 #if defined(CS4231) || defined(OPTi93X)
1938 	static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1939 #endif	/* CS4231 || OPTi93X */
1940 
1941 	if (snd_opti9xx_pnp_is_probed)
1942 		return -EBUSY;
1943 
1944 	if (mpu_port == SNDRV_AUTO_PORT) {
1945 		if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1946 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1947 			return -EBUSY;
1948 		}
1949 	}
1950 	if (irq == SNDRV_AUTO_IRQ) {
1951 		if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1952 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
1953 			return -EBUSY;
1954 		}
1955 	}
1956 	if (mpu_irq == SNDRV_AUTO_IRQ) {
1957 		if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1958 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1959 			return -EBUSY;
1960 		}
1961 	}
1962 	if (dma1 == SNDRV_AUTO_DMA) {
1963 		if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1964 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
1965 			return -EBUSY;
1966 		}
1967 	}
1968 #if defined(CS4231) || defined(OPTi93X)
1969 	if (dma2 == SNDRV_AUTO_DMA) {
1970 		if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1971 			snd_printk("unable to find a free DMA2\n");
1972 			return -EBUSY;
1973 		}
1974 	}
1975 #endif
1976 
1977 	card = snd_opti9xx_card_new();
1978 	if (! card)
1979 		return -ENOMEM;
1980 
1981 	if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1982 		snd_card_free(card);
1983 		return error;
1984 	}
1985 	snd_card_set_dev(card, &devptr->dev);
1986 	if ((error = snd_opti9xx_probe(card)) < 0) {
1987 		snd_card_free(card);
1988 		return error;
1989 	}
1990 	platform_set_drvdata(devptr, card);
1991 	return 0;
1992 }
1993 
1994 static int __devexit snd_opti9xx_nonpnp_remove(struct platform_device *devptr)
1995 {
1996 	snd_card_free(platform_get_drvdata(devptr));
1997 	platform_set_drvdata(devptr, NULL);
1998 	return 0;
1999 }
2000 
2001 static struct platform_driver snd_opti9xx_driver = {
2002 	.probe		= snd_opti9xx_nonpnp_probe,
2003 	.remove		= __devexit_p(snd_opti9xx_nonpnp_remove),
2004 	/* FIXME: suspend/resume */
2005 	.driver		= {
2006 		.name	= DRIVER_NAME
2007 	},
2008 };
2009 
2010 #ifdef CONFIG_PNP
2011 static int __init snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
2012 					const struct pnp_card_device_id *pid)
2013 {
2014 	struct snd_card *card;
2015 	int error, hw;
2016 	struct snd_opti9xx *chip;
2017 
2018 	if (snd_opti9xx_pnp_is_probed)
2019 		return -EBUSY;
2020 	if (! isapnp)
2021 		return -ENODEV;
2022 	card = snd_opti9xx_card_new();
2023 	if (! card)
2024 		return -ENOMEM;
2025 	chip = card->private_data;
2026 
2027 	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
2028 	switch (hw) {
2029 	case 0x0924:
2030 		hw = OPTi9XX_HW_82C924;
2031 		break;
2032 	case 0x0925:
2033 		hw = OPTi9XX_HW_82C925;
2034 		break;
2035 	case 0x0931:
2036 		hw = OPTi9XX_HW_82C931;
2037 		break;
2038 	default:
2039 		snd_card_free(card);
2040 		return -ENODEV;
2041 	}
2042 
2043 	if ((error = snd_opti9xx_init(chip, hw))) {
2044 		snd_card_free(card);
2045 		return error;
2046 	}
2047 	if (hw <= OPTi9XX_HW_82C930)
2048 		chip->mc_base -= 0x80;
2049 	snd_card_set_dev(card, &pcard->card->dev);
2050 	if ((error = snd_opti9xx_probe(card)) < 0) {
2051 		snd_card_free(card);
2052 		return error;
2053 	}
2054 	pnp_set_card_drvdata(pcard, card);
2055 	snd_opti9xx_pnp_is_probed = 1;
2056 	return 0;
2057 }
2058 
2059 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
2060 {
2061 	snd_card_free(pnp_get_card_drvdata(pcard));
2062 	pnp_set_card_drvdata(pcard, NULL);
2063 	snd_opti9xx_pnp_is_probed = 0;
2064 }
2065 
2066 static struct pnp_card_driver opti9xx_pnpc_driver = {
2067 	.flags		= PNP_DRIVER_RES_DISABLE,
2068 	.name		= "opti9xx",
2069 	.id_table	= snd_opti9xx_pnpids,
2070 	.probe		= snd_opti9xx_pnp_probe,
2071 	.remove		= __devexit_p(snd_opti9xx_pnp_remove),
2072 };
2073 #endif
2074 
2075 #ifdef CONFIG_PNP
2076 #define is_isapnp_selected()	isapnp
2077 #else
2078 #define is_isapnp_selected()	0
2079 #endif
2080 #ifdef OPTi93X
2081 #define CHIP_NAME	"82C93x"
2082 #else
2083 #define CHIP_NAME	"82C92x"
2084 #endif
2085 
2086 static int __init alsa_card_opti9xx_init(void)
2087 {
2088 	int error;
2089 	struct platform_device *device;
2090 
2091 	pnp_register_card_driver(&opti9xx_pnpc_driver);
2092 	if (snd_opti9xx_pnp_is_probed)
2093 		return 0;
2094 	if (! is_isapnp_selected()) {
2095 		error = platform_driver_register(&snd_opti9xx_driver);
2096 		if (error < 0)
2097 			return error;
2098 		device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
2099 		if (!IS_ERR(device)) {
2100 			snd_opti9xx_platform_device = device;
2101 			return 0;
2102 		}
2103 		platform_driver_unregister(&snd_opti9xx_driver);
2104 	}
2105 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2106 #ifdef MODULE
2107 	printk(KERN_ERR "no OPTi " CHIP_NAME " soundcard found\n");
2108 #endif
2109 	return -ENODEV;
2110 }
2111 
2112 static void __exit alsa_card_opti9xx_exit(void)
2113 {
2114 	if (!snd_opti9xx_pnp_is_probed) {
2115 		platform_device_unregister(snd_opti9xx_platform_device);
2116 		platform_driver_unregister(&snd_opti9xx_driver);
2117 	}
2118 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2119 }
2120 
2121 module_init(alsa_card_opti9xx_init)
2122 module_exit(alsa_card_opti9xx_exit)
2123