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/isa.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 
263 #ifdef CONFIG_PNP
264 
265 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
266 #ifndef OPTi93X
267 	/* OPTi 82C924 */
268 	{ .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
269 	/* OPTi 82C925 */
270 	{ .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
271 #else
272 	/* OPTi 82C931/3 */
273 	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
274 #endif	/* OPTi93X */
275 	{ .id = "" }
276 };
277 
278 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
279 
280 #endif	/* CONFIG_PNP */
281 
282 #ifdef OPTi93X
283 #define DEV_NAME "opti93x"
284 #else
285 #define DEV_NAME "opti92x"
286 #endif
287 
288 static char * snd_opti9xx_names[] = {
289 	"unkown",
290 	"82C928",	"82C929",
291 	"82C924",	"82C925",
292 	"82C930",	"82C931",	"82C933"
293 };
294 
295 
296 static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
297 {
298 	while (*port_table != -1) {
299 		if (request_region(*port_table, size, "ALSA test")) {
300 			release_region(*port_table, size);
301 			return *port_table;
302 		}
303 		port_table++;
304 	}
305 	return -1;
306 }
307 
308 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
309 				      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 __devinit 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 snd_pcm_substream *s;
938 		snd_pcm_group_for_each_entry(s, substream) {
939 			if (s == chip->playback_substream) {
940 				what |= OPTi93X_PLAYBACK_ENABLE;
941 				snd_pcm_trigger_done(s, substream);
942 			} else if (s == chip->capture_substream) {
943 				what |= OPTi93X_CAPTURE_ENABLE;
944 				snd_pcm_trigger_done(s, substream);
945 			}
946 		}
947 		spin_lock(&chip->lock);
948 		if (cmd == SNDRV_PCM_TRIGGER_START) {
949 			snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, what);
950 			if (what & OPTi93X_CAPTURE_ENABLE)
951 				udelay(50);
952 		} else
953 			snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, 0x00);
954 		spin_unlock(&chip->lock);
955 		break;
956 	}
957 	default:
958 		return -EINVAL;
959 	}
960 	return 0;
961 }
962 
963 static int snd_opti93x_playback_trigger(struct snd_pcm_substream *substream, int cmd)
964 {
965 	return snd_opti93x_trigger(substream,
966 				   OPTi93X_PLAYBACK_ENABLE, cmd);
967 }
968 
969 static int snd_opti93x_capture_trigger(struct snd_pcm_substream *substream, int cmd)
970 {
971 	return snd_opti93x_trigger(substream,
972 				   OPTi93X_CAPTURE_ENABLE, cmd);
973 }
974 
975 static int snd_opti93x_hw_params(struct snd_pcm_substream *substream,
976 				 struct snd_pcm_hw_params *hw_params)
977 {
978 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
979 }
980 
981 
982 static int snd_opti93x_hw_free(struct snd_pcm_substream *substream)
983 {
984 	snd_pcm_lib_free_pages(substream);
985 	return 0;
986 }
987 
988 
989 static int snd_opti93x_playback_prepare(struct snd_pcm_substream *substream)
990 {
991 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
992 	struct snd_pcm_runtime *runtime = substream->runtime;
993 	unsigned long flags;
994 	unsigned char format;
995 	unsigned int count = snd_pcm_lib_period_bytes(substream);
996 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
997 
998 	spin_lock_irqsave(&chip->lock, flags);
999 
1000 	chip->p_dma_size = size;
1001 	snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1002 		OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO,
1003 		~(OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO));
1004 
1005 	snd_dma_program(chip->dma1, runtime->dma_addr, size,
1006 		DMA_MODE_WRITE | DMA_AUTOINIT);
1007 
1008 	format = snd_opti93x_get_freq(runtime->rate);
1009 	format |= snd_opti93x_get_format(chip, runtime->format,
1010 		runtime->channels);
1011 	snd_opti93x_playback_format(chip, format);
1012 	format = chip->image[OPTi93X_PLAY_FORMAT];
1013 
1014 	count = snd_opti93x_get_count(format, count) - 1;
1015 	snd_opti93x_out_image(chip, OPTi93X_PLAY_LWR_CNT, count);
1016 	snd_opti93x_out_image(chip, OPTi93X_PLAY_UPR_CNT, count >> 8);
1017 
1018 	spin_unlock_irqrestore(&chip->lock, flags);
1019 	return 0;
1020 }
1021 
1022 static int snd_opti93x_capture_prepare(struct snd_pcm_substream *substream)
1023 {
1024 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1025 	struct snd_pcm_runtime *runtime = substream->runtime;
1026 	unsigned long flags;
1027 	unsigned char format;
1028 	unsigned int count = snd_pcm_lib_period_bytes(substream);
1029 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1030 
1031 	spin_lock_irqsave(&chip->lock, flags);
1032 
1033 	chip->c_dma_size = size;
1034 	snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1035 		OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO, 0);
1036 
1037 	snd_dma_program(chip->dma2, runtime->dma_addr, size,
1038 		DMA_MODE_READ | DMA_AUTOINIT);
1039 
1040 	format = snd_opti93x_get_freq(runtime->rate);
1041 	format |= snd_opti93x_get_format(chip, runtime->format,
1042 		runtime->channels);
1043 	snd_opti93x_capture_format(chip, format);
1044 	format = chip->image[OPTi93X_CAPT_FORMAT];
1045 
1046 	count = snd_opti93x_get_count(format, count) - 1;
1047 	snd_opti93x_out_image(chip, OPTi93X_CAPT_LWR_CNT, count);
1048 	snd_opti93x_out_image(chip, OPTi93X_CAPT_UPR_CNT, count >> 8);
1049 
1050 	spin_unlock_irqrestore(&chip->lock, flags);
1051 	return 0;
1052 }
1053 
1054 static snd_pcm_uframes_t snd_opti93x_playback_pointer(struct snd_pcm_substream *substream)
1055 {
1056 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1057 	size_t ptr;
1058 
1059 	if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_PLAYBACK_ENABLE))
1060 		return 0;
1061 
1062 	ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
1063 	return bytes_to_frames(substream->runtime, ptr);
1064 }
1065 
1066 static snd_pcm_uframes_t snd_opti93x_capture_pointer(struct snd_pcm_substream *substream)
1067 {
1068 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1069 	size_t ptr;
1070 
1071 	if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_CAPTURE_ENABLE))
1072 		return 0;
1073 
1074 	ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
1075 	return bytes_to_frames(substream->runtime, ptr);
1076 }
1077 
1078 
1079 static void snd_opti93x_overrange(struct snd_opti93x *chip)
1080 {
1081 	unsigned long flags;
1082 
1083 	spin_lock_irqsave(&chip->lock, flags);
1084 
1085 	if (snd_opti93x_in(chip, OPTi93X_ERR_INIT) & (0x08 | 0x02))
1086 		chip->capture_substream->runtime->overrange++;
1087 
1088 	spin_unlock_irqrestore(&chip->lock, flags);
1089 }
1090 
1091 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
1092 {
1093 	struct snd_opti93x *codec = dev_id;
1094 	unsigned char status;
1095 
1096 	status = snd_opti9xx_read(codec->chip, OPTi9XX_MC_REG(11));
1097 	if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
1098 		snd_pcm_period_elapsed(codec->playback_substream);
1099 	if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
1100 		snd_opti93x_overrange(codec);
1101 		snd_pcm_period_elapsed(codec->capture_substream);
1102 	}
1103 	outb(0x00, OPTi93X_PORT(codec, STATUS));
1104 	return IRQ_HANDLED;
1105 }
1106 
1107 
1108 static struct snd_pcm_hardware snd_opti93x_playback = {
1109 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1110 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1111 	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1112 				 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1113 	.rates =		SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1114 	.rate_min =		5512,
1115 	.rate_max =		48000,
1116 	.channels_min =		1,
1117 	.channels_max =		2,
1118 	.buffer_bytes_max =	(128*1024),
1119 	.period_bytes_min =	64,
1120 	.period_bytes_max =	(128*1024),
1121 	.periods_min =		1,
1122 	.periods_max =		1024,
1123 	.fifo_size =		0,
1124 };
1125 
1126 static struct snd_pcm_hardware snd_opti93x_capture = {
1127 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1128 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1129 	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1130 				 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1131 	.rates =		SNDRV_PCM_RATE_8000_48000,
1132 	.rate_min =		5512,
1133 	.rate_max =		48000,
1134 	.channels_min =		1,
1135 	.channels_max =		2,
1136 	.buffer_bytes_max =	(128*1024),
1137 	.period_bytes_min =	64,
1138 	.period_bytes_max =	(128*1024),
1139 	.periods_min =		1,
1140 	.periods_max =		1024,
1141 	.fifo_size =		0,
1142 };
1143 
1144 static int snd_opti93x_playback_open(struct snd_pcm_substream *substream)
1145 {
1146 	int error;
1147 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1148 	struct snd_pcm_runtime *runtime = substream->runtime;
1149 
1150 	if ((error = snd_opti93x_open(chip, OPTi93X_MODE_PLAY)) < 0)
1151 		return error;
1152 	snd_pcm_set_sync(substream);
1153 	chip->playback_substream = substream;
1154 	runtime->hw = snd_opti93x_playback;
1155 	snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
1156 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1157 	return error;
1158 }
1159 
1160 static int snd_opti93x_capture_open(struct snd_pcm_substream *substream)
1161 {
1162 	int error;
1163 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1164 	struct snd_pcm_runtime *runtime = substream->runtime;
1165 
1166 	if ((error = snd_opti93x_open(chip, OPTi93X_MODE_CAPTURE)) < 0)
1167 		return error;
1168 	runtime->hw = snd_opti93x_capture;
1169 	snd_pcm_set_sync(substream);
1170 	chip->capture_substream = substream;
1171 	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
1172 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1173 	return error;
1174 }
1175 
1176 static int snd_opti93x_playback_close(struct snd_pcm_substream *substream)
1177 {
1178 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1179 
1180 	chip->playback_substream = NULL;
1181 	snd_opti93x_close(chip, OPTi93X_MODE_PLAY);
1182 	return 0;
1183 }
1184 
1185 static int snd_opti93x_capture_close(struct snd_pcm_substream *substream)
1186 {
1187 	struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1188 
1189 	chip->capture_substream = NULL;
1190 	snd_opti93x_close(chip, OPTi93X_MODE_CAPTURE);
1191 	return 0;
1192 }
1193 
1194 
1195 static void snd_opti93x_init(struct snd_opti93x *chip)
1196 {
1197 	unsigned long flags;
1198 	int i;
1199 
1200 	spin_lock_irqsave(&chip->lock, flags);
1201 	snd_opti93x_mce_up(chip);
1202 
1203 	for (i = 0; i < 32; i++)
1204 		snd_opti93x_out_image(chip, i, snd_opti93x_default_image[i]);
1205 
1206 	snd_opti93x_mce_down(chip);
1207 	spin_unlock_irqrestore(&chip->lock, flags);
1208 }
1209 
1210 static int snd_opti93x_probe(struct snd_opti93x *chip)
1211 {
1212 	unsigned long flags;
1213 	unsigned char val;
1214 
1215 	spin_lock_irqsave(&chip->lock, flags);
1216 	val = snd_opti93x_in(chip, OPTi93X_ID) & 0x0f;
1217 	spin_unlock_irqrestore(&chip->lock, flags);
1218 
1219 	return (val == 0x0a) ? 0 : -ENODEV;
1220 }
1221 
1222 static int snd_opti93x_free(struct snd_opti93x *chip)
1223 {
1224 	release_and_free_resource(chip->res_port);
1225 	if (chip->dma1 >= 0) {
1226 		disable_dma(chip->dma1);
1227 		free_dma(chip->dma1);
1228 	}
1229 	if (chip->dma2 >= 0) {
1230 		disable_dma(chip->dma2);
1231 		free_dma(chip->dma2);
1232 	}
1233 	if (chip->irq >= 0) {
1234 	  free_irq(chip->irq, chip);
1235 	}
1236 	kfree(chip);
1237 	return 0;
1238 }
1239 
1240 static int snd_opti93x_dev_free(struct snd_device *device)
1241 {
1242 	struct snd_opti93x *chip = device->device_data;
1243 	return snd_opti93x_free(chip);
1244 }
1245 
1246 static const char *snd_opti93x_chip_id(struct snd_opti93x *codec)
1247 {
1248 	switch (codec->hardware) {
1249 	case OPTi9XX_HW_82C930: return "82C930";
1250 	case OPTi9XX_HW_82C931: return "82C931";
1251 	case OPTi9XX_HW_82C933: return "82C933";
1252 	default:		return "???";
1253 	}
1254 }
1255 
1256 static int snd_opti93x_create(struct snd_card *card, struct snd_opti9xx *chip,
1257 			      int dma1, int dma2,
1258 			      struct snd_opti93x **rcodec)
1259 {
1260 	static struct snd_device_ops ops = {
1261 		.dev_free =	snd_opti93x_dev_free,
1262 	};
1263 	int error;
1264 	struct snd_opti93x *codec;
1265 
1266 	*rcodec = NULL;
1267 	codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1268 	if (codec == NULL)
1269 		return -ENOMEM;
1270 	codec->irq = -1;
1271 	codec->dma1 = -1;
1272 	codec->dma2 = -1;
1273 
1274 	if ((codec->res_port = request_region(chip->wss_base + 4, 4, "OPTI93x CODEC")) == NULL) {
1275 		snd_printk(KERN_ERR "opti9xx: can't grab port 0x%lx\n", chip->wss_base + 4);
1276 		snd_opti93x_free(codec);
1277 		return -EBUSY;
1278 	}
1279 	if (request_dma(dma1, "OPTI93x - 1")) {
1280 		snd_printk(KERN_ERR "opti9xx: can't grab DMA1 %d\n", dma1);
1281 		snd_opti93x_free(codec);
1282 		return -EBUSY;
1283 	}
1284 	codec->dma1 = chip->dma1;
1285 	if (request_dma(dma2, "OPTI93x - 2")) {
1286 		snd_printk(KERN_ERR "opti9xx: can't grab DMA2 %d\n", dma2);
1287 		snd_opti93x_free(codec);
1288 		return -EBUSY;
1289 	}
1290 	codec->dma2 = chip->dma2;
1291 
1292 	if (request_irq(chip->irq, snd_opti93x_interrupt, IRQF_DISABLED, DEV_NAME" - WSS", codec)) {
1293 		snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
1294 		snd_opti93x_free(codec);
1295 		return -EBUSY;
1296 	}
1297 
1298 	codec->card = card;
1299 	codec->port = chip->wss_base + 4;
1300 	codec->irq = chip->irq;
1301 
1302 	spin_lock_init(&codec->lock);
1303 	codec->hardware = chip->hardware;
1304 	codec->chip = chip;
1305 
1306 	if ((error = snd_opti93x_probe(codec))) {
1307 		snd_opti93x_free(codec);
1308 		return error;
1309 	}
1310 
1311 	snd_opti93x_init(codec);
1312 
1313 	/* Register device */
1314 	if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
1315 		snd_opti93x_free(codec);
1316 		return error;
1317 	}
1318 
1319 	*rcodec = codec;
1320 	return 0;
1321 }
1322 
1323 static struct snd_pcm_ops snd_opti93x_playback_ops = {
1324 	.open =		snd_opti93x_playback_open,
1325 	.close =	snd_opti93x_playback_close,
1326 	.ioctl =	snd_pcm_lib_ioctl,
1327 	.hw_params =	snd_opti93x_hw_params,
1328 	.hw_free =	snd_opti93x_hw_free,
1329 	.prepare =	snd_opti93x_playback_prepare,
1330 	.trigger =	snd_opti93x_playback_trigger,
1331 	.pointer =	snd_opti93x_playback_pointer,
1332 };
1333 
1334 static struct snd_pcm_ops snd_opti93x_capture_ops = {
1335 	.open =		snd_opti93x_capture_open,
1336 	.close =	snd_opti93x_capture_close,
1337 	.ioctl =	snd_pcm_lib_ioctl,
1338 	.hw_params =	snd_opti93x_hw_params,
1339 	.hw_free =	snd_opti93x_hw_free,
1340 	.prepare =	snd_opti93x_capture_prepare,
1341 	.trigger =	snd_opti93x_capture_trigger,
1342 	.pointer =	snd_opti93x_capture_pointer,
1343 };
1344 
1345 static int snd_opti93x_pcm(struct snd_opti93x *codec, int device, struct snd_pcm **rpcm)
1346 {
1347 	int error;
1348 	struct snd_pcm *pcm;
1349 
1350 	if ((error = snd_pcm_new(codec->card, "OPTi 82C93X", device, 1, 1, &pcm)) < 0)
1351 		return error;
1352 
1353 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_opti93x_playback_ops);
1354 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_opti93x_capture_ops);
1355 
1356 	pcm->private_data = codec;
1357 	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1358 
1359 	strcpy(pcm->name, snd_opti93x_chip_id(codec));
1360 
1361 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1362 					      snd_dma_isa_data(),
1363 					      64*1024, codec->dma1 > 3 || codec->dma2 > 3 ? 128*1024 : 64*1024);
1364 
1365 	codec->pcm = pcm;
1366 	if (rpcm)
1367 		*rpcm = pcm;
1368 	return 0;
1369 }
1370 
1371 /*
1372  *  MIXER part
1373  */
1374 
1375 static int snd_opti93x_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1376 {
1377 	static char *texts[4] = {
1378 		"Line1", "Aux", "Mic", "Mix"
1379 	};
1380 
1381 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1382 	uinfo->count = 2;
1383 	uinfo->value.enumerated.items = 4;
1384 	if (uinfo->value.enumerated.item > 3)
1385 		uinfo->value.enumerated.item = 3;
1386 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1387 	return 0;
1388 }
1389 
1390 static int snd_opti93x_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1391 {
1392 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1393 	unsigned long flags;
1394 
1395 	spin_lock_irqsave(&chip->lock, flags);
1396 	ucontrol->value.enumerated.item[0] = (chip->image[OPTi93X_MIXOUT_LEFT] & OPTi93X_MIXOUT_MIXER) >> 6;
1397 	ucontrol->value.enumerated.item[1] = (chip->image[OPTi93X_MIXOUT_RIGHT] & OPTi93X_MIXOUT_MIXER) >> 6;
1398 	spin_unlock_irqrestore(&chip->lock, flags);
1399 	return 0;
1400 }
1401 
1402 static int snd_opti93x_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1403 {
1404 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1405 	unsigned long flags;
1406 	unsigned short left, right;
1407 	int change;
1408 
1409 	if (ucontrol->value.enumerated.item[0] > 3 ||
1410 	    ucontrol->value.enumerated.item[1] > 3)
1411 		return -EINVAL;
1412 	left = ucontrol->value.enumerated.item[0] << 6;
1413 	right = ucontrol->value.enumerated.item[1] << 6;
1414 	spin_lock_irqsave(&chip->lock, flags);
1415 	left = (chip->image[OPTi93X_MIXOUT_LEFT] & ~OPTi93X_MIXOUT_MIXER) | left;
1416 	right = (chip->image[OPTi93X_MIXOUT_RIGHT] & ~OPTi93X_MIXOUT_MIXER) | right;
1417 	change = left != chip->image[OPTi93X_MIXOUT_LEFT] ||
1418 	         right != chip->image[OPTi93X_MIXOUT_RIGHT];
1419 	snd_opti93x_out_image(chip, OPTi93X_MIXOUT_LEFT, left);
1420 	snd_opti93x_out_image(chip, OPTi93X_MIXOUT_RIGHT, right);
1421 	spin_unlock_irqrestore(&chip->lock, flags);
1422 	return change;
1423 }
1424 
1425 #if 0
1426 
1427 #define OPTi93X_SINGLE(xname, xindex, reg, shift, mask, invert) \
1428 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1429   .info = snd_opti93x_info_single, \
1430   .get = snd_opti93x_get_single, .put = snd_opti93x_put_single, \
1431   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1432 
1433 static int snd_opti93x_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1434 {
1435 	int mask = (kcontrol->private_value >> 16) & 0xff;
1436 
1437 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1438 	uinfo->count = 1;
1439 	uinfo->value.integer.min = 0;
1440 	uinfo->value.integer.max = mask;
1441 	return 0;
1442 }
1443 
1444 static int snd_opti93x_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1445 {
1446 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1447 	unsigned long flags;
1448 	int reg = kcontrol->private_value & 0xff;
1449 	int shift = (kcontrol->private_value >> 8) & 0xff;
1450 	int mask = (kcontrol->private_value >> 16) & 0xff;
1451 	int invert = (kcontrol->private_value >> 24) & 0xff;
1452 
1453 	spin_lock_irqsave(&chip->lock, flags);
1454 	ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
1455 	spin_unlock_irqrestore(&chip->lock, flags);
1456 	if (invert)
1457 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1458 	return 0;
1459 }
1460 
1461 static int snd_opti93x_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1462 {
1463 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1464 	unsigned long flags;
1465 	int reg = kcontrol->private_value & 0xff;
1466 	int shift = (kcontrol->private_value >> 8) & 0xff;
1467 	int mask = (kcontrol->private_value >> 16) & 0xff;
1468 	int invert = (kcontrol->private_value >> 24) & 0xff;
1469 	int change;
1470 	unsigned short val;
1471 
1472 	val = (ucontrol->value.integer.value[0] & mask);
1473 	if (invert)
1474 		val = mask - val;
1475 	val <<= shift;
1476 	spin_lock_irqsave(&chip->lock, flags);
1477 	val = (chip->image[reg] & ~(mask << shift)) | val;
1478 	change = val != chip->image[reg];
1479 	snd_opti93x_out(chip, reg, val);
1480 	spin_unlock_irqrestore(&chip->lock, flags);
1481 	return change;
1482 }
1483 
1484 #endif /* single */
1485 
1486 #define OPTi93X_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1487 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1488   .info = snd_opti93x_info_double, \
1489   .get = snd_opti93x_get_double, .put = snd_opti93x_put_double, \
1490   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1491 
1492 #define OPTi93X_DOUBLE_INVERT_INVERT(xctl) \
1493 	do { xctl.private_value ^= 22; } while (0)
1494 #define OPTi93X_DOUBLE_CHANGE_REGS(xctl, left_reg, right_reg) \
1495 	do { xctl.private_value &= ~0x0000ffff; \
1496 	     xctl.private_value |= left_reg | (right_reg << 8); } while (0)
1497 
1498 static int snd_opti93x_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1499 {
1500 	int mask = (kcontrol->private_value >> 24) & 0xff;
1501 
1502 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1503 	uinfo->count = 2;
1504 	uinfo->value.integer.min = 0;
1505 	uinfo->value.integer.max = mask;
1506 	return 0;
1507 }
1508 
1509 static int snd_opti93x_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1510 {
1511 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1512 	unsigned long flags;
1513 	int left_reg = kcontrol->private_value & 0xff;
1514 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1515 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1516 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1517 	int mask = (kcontrol->private_value >> 24) & 0xff;
1518 	int invert = (kcontrol->private_value >> 22) & 1;
1519 
1520 	spin_lock_irqsave(&chip->lock, flags);
1521 	ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
1522 	ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask;
1523 	spin_unlock_irqrestore(&chip->lock, flags);
1524 	if (invert) {
1525 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1526 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1527 	}
1528 	return 0;
1529 }
1530 
1531 static int snd_opti93x_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1532 {
1533 	struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1534 	unsigned long flags;
1535 	int left_reg = kcontrol->private_value & 0xff;
1536 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
1537 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
1538 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
1539 	int mask = (kcontrol->private_value >> 24) & 0xff;
1540 	int invert = (kcontrol->private_value >> 22) & 1;
1541 	int change;
1542 	unsigned short val1, val2;
1543 
1544 	val1 = ucontrol->value.integer.value[0] & mask;
1545 	val2 = ucontrol->value.integer.value[1] & mask;
1546 	if (invert) {
1547 		val1 = mask - val1;
1548 		val2 = mask - val2;
1549 	}
1550 	val1 <<= shift_left;
1551 	val2 <<= shift_right;
1552 	spin_lock_irqsave(&chip->lock, flags);
1553 	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
1554 	val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
1555 	change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
1556 	snd_opti93x_out_image(chip, left_reg, val1);
1557 	snd_opti93x_out_image(chip, right_reg, val2);
1558 	spin_unlock_irqrestore(&chip->lock, flags);
1559 	return change;
1560 }
1561 
1562 static struct snd_kcontrol_new snd_opti93x_controls[] __devinitdata = {
1563 OPTi93X_DOUBLE("Master Playback Switch", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
1564 OPTi93X_DOUBLE("Master Playback Volume", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1),
1565 OPTi93X_DOUBLE("PCM Playback Switch", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 7, 7, 1, 1),
1566 OPTi93X_DOUBLE("PCM Playback Volume", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 0, 0, 31, 1),
1567 OPTi93X_DOUBLE("FM Playback Switch", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 7, 7, 1, 1),
1568 OPTi93X_DOUBLE("FM Playback Volume", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 1, 1, 15, 1),
1569 OPTi93X_DOUBLE("Line Playback Switch", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 7, 7, 1, 1),
1570 OPTi93X_DOUBLE("Line Playback Volume", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 1, 1, 15, 1),
1571 OPTi93X_DOUBLE("Mic Playback Switch", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
1572 OPTi93X_DOUBLE("Mic Playback Volume", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1),
1573 OPTi93X_DOUBLE("Mic Boost", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 5, 5, 1, 1),
1574 OPTi93X_DOUBLE("CD Playback Switch", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 7, 7, 1, 1),
1575 OPTi93X_DOUBLE("CD Playback Volume", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 1, 1, 15, 1),
1576 OPTi93X_DOUBLE("Aux Playback Switch", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
1577 OPTi93X_DOUBLE("Aux Playback Volume", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1),
1578 OPTi93X_DOUBLE("Capture Volume", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 0, 0, 15, 0),
1579 {
1580 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1581 	.name = "Capture Source",
1582 	.info = snd_opti93x_info_mux,
1583 	.get = snd_opti93x_get_mux,
1584 	.put = snd_opti93x_put_mux,
1585 }
1586 };
1587 
1588 static int snd_opti93x_mixer(struct snd_opti93x *chip)
1589 {
1590 	struct snd_card *card;
1591 	struct snd_kcontrol_new knew;
1592 	int err;
1593 	unsigned int idx;
1594 
1595 	snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
1596 
1597 	card = chip->card;
1598 
1599 	strcpy(card->mixername, snd_opti93x_chip_id(chip));
1600 
1601 	for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
1602 		knew = snd_opti93x_controls[idx];
1603 		if (chip->hardware == OPTi9XX_HW_82C930) {
1604 			if (strstr(knew.name, "FM"))	/* skip FM controls */
1605 				continue;
1606 			else if (strcmp(knew.name, "Mic Playback Volume"))
1607 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1608 			else if (strstr(knew.name, "Aux"))
1609 				OPTi93X_DOUBLE_CHANGE_REGS(knew, OPTi930_AUX_LEFT_INPUT, OPTi930_AUX_RIGHT_INPUT);
1610 			else if (strcmp(knew.name, "PCM Playback Volume"))
1611 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1612 			else if (strcmp(knew.name, "Master Playback Volume"))
1613 				OPTi93X_DOUBLE_INVERT_INVERT(knew);
1614 		}
1615 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], chip))) < 0)
1616 			return err;
1617 	}
1618 	return 0;
1619 }
1620 
1621 #endif /* OPTi93X */
1622 
1623 static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
1624 					     struct snd_opti9xx *chip)
1625 {
1626 	int i, err;
1627 
1628 #ifndef OPTi93X
1629 	for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
1630 		unsigned char value;
1631 
1632 		if ((err = snd_opti9xx_init(chip, i)) < 0)
1633 			return err;
1634 
1635 		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1636 			continue;
1637 
1638 		value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
1639 		if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1640 			if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
1641 				return 1;
1642 
1643 		release_and_free_resource(chip->res_mc_base);
1644 		chip->res_mc_base = NULL;
1645 
1646 	}
1647 #else	/* OPTi93X */
1648 	for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
1649 		unsigned long flags;
1650 		unsigned char value;
1651 
1652 		if ((err = snd_opti9xx_init(chip, i)) < 0)
1653 			return err;
1654 
1655 		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1656 			continue;
1657 
1658 		spin_lock_irqsave(&chip->lock, flags);
1659 		outb(chip->password, chip->mc_base + chip->pwd_reg);
1660 		outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
1661 			((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
1662 		spin_unlock_irqrestore(&chip->lock, flags);
1663 
1664 		value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
1665 		snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
1666 		if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
1667 			return 1;
1668 
1669 		release_and_free_resource(chip->res_mc_base);
1670 		chip->res_mc_base = NULL;
1671 	}
1672 #endif	/* OPTi93X */
1673 
1674 	return -ENODEV;
1675 }
1676 
1677 #ifdef CONFIG_PNP
1678 static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
1679 					  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 	if (!cfg)
1687 		return -ENOMEM;
1688 	chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
1689 	if (chip->dev == NULL) {
1690 		kfree(cfg);
1691 		return -EBUSY;
1692 	}
1693 	chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
1694 
1695 	pdev = chip->dev;
1696 	pnp_init_resource_table(cfg);
1697 
1698 #ifdef OPTi93X
1699 	if (port != SNDRV_AUTO_PORT)
1700 		pnp_resource_change(&cfg->port_resource[0], port + 4, 4);
1701 #else
1702 	if (pid->driver_data != 0x0924 && port != SNDRV_AUTO_PORT)
1703 		pnp_resource_change(&cfg->port_resource[1], port, 4);
1704 #endif	/* OPTi93X */
1705 	if (irq != SNDRV_AUTO_IRQ)
1706 		pnp_resource_change(&cfg->irq_resource[0], irq, 1);
1707 	if (dma1 != SNDRV_AUTO_DMA)
1708 		pnp_resource_change(&cfg->dma_resource[0], dma1, 1);
1709 #if defined(CS4231) || defined(OPTi93X)
1710 	if (dma2 != SNDRV_AUTO_DMA)
1711 		pnp_resource_change(&cfg->dma_resource[1], dma2, 1);
1712 #else
1713 #ifdef snd_opti9xx_fixup_dma2
1714 	snd_opti9xx_fixup_dma2(pdev);
1715 #endif
1716 #endif	/* CS4231 || OPTi93X */
1717 #ifdef OPTi93X
1718 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1719 		pnp_resource_change(&cfg->port_resource[1], fm_port, 4);
1720 #else
1721 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1722 		pnp_resource_change(&cfg->port_resource[2], fm_port, 4);
1723 #endif
1724 	if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1725 		snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1726 	err = pnp_activate_dev(pdev);
1727 	if (err < 0) {
1728 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
1729 		kfree(cfg);
1730 		return err;
1731 	}
1732 
1733 #ifdef OPTi93X
1734 	port = pnp_port_start(pdev, 0) - 4;
1735 	fm_port = pnp_port_start(pdev, 1);
1736 #else
1737 	if (pid->driver_data != 0x0924)
1738 		port = pnp_port_start(pdev, 1);
1739 	fm_port = pnp_port_start(pdev, 2);
1740 #endif	/* OPTi93X */
1741 	irq = pnp_irq(pdev, 0);
1742 	dma1 = pnp_dma(pdev, 0);
1743 #if defined(CS4231) || defined(OPTi93X)
1744 	dma2 = pnp_dma(pdev, 1);
1745 #endif	/* CS4231 || OPTi93X */
1746 
1747 	pdev = chip->devmpu;
1748 	if (pdev && mpu_port > 0) {
1749 		pnp_init_resource_table(cfg);
1750 
1751 		if (mpu_port != SNDRV_AUTO_PORT)
1752 			pnp_resource_change(&cfg->port_resource[0], mpu_port, 2);
1753 		if (mpu_irq != SNDRV_AUTO_IRQ)
1754 			pnp_resource_change(&cfg->irq_resource[0], mpu_irq, 1);
1755 
1756 		if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1757 			snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1758 		err = pnp_activate_dev(pdev);
1759 		if (err < 0) {
1760 			snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
1761 			mpu_port = -1;
1762 			chip->devmpu = NULL;
1763 		} else {
1764 			mpu_port = pnp_port_start(pdev, 0);
1765 			mpu_irq = pnp_irq(pdev, 0);
1766 		}
1767 	}
1768 	kfree(cfg);
1769 	return pid->driver_data;
1770 }
1771 #endif	/* CONFIG_PNP */
1772 
1773 static void snd_card_opti9xx_free(struct snd_card *card)
1774 {
1775 	struct snd_opti9xx *chip = card->private_data;
1776 
1777 	if (chip)
1778 		release_and_free_resource(chip->res_mc_base);
1779 }
1780 
1781 static int __devinit snd_opti9xx_probe(struct snd_card *card)
1782 {
1783 	static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1784 	int error;
1785 	struct snd_opti9xx *chip = card->private_data;
1786 #if defined(OPTi93X)
1787 	struct snd_opti93x *codec;
1788 #elif defined(CS4231)
1789 	struct snd_cs4231 *codec;
1790 	struct snd_timer *timer;
1791 #else
1792 	struct snd_ad1848 *codec;
1793 #endif
1794 	struct snd_pcm *pcm;
1795 	struct snd_rawmidi *rmidi;
1796 	struct snd_hwdep *synth;
1797 
1798 	if (! chip->res_mc_base &&
1799 	    (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
1800 						"OPTi9xx MC")) == NULL)
1801 		return -ENOMEM;
1802 
1803 	chip->wss_base = port;
1804 	chip->fm_port = fm_port;
1805 	chip->mpu_port = mpu_port;
1806 	chip->irq = irq;
1807 	chip->mpu_irq = mpu_irq;
1808 	chip->dma1 = dma1;
1809 #if defined(CS4231) || defined(OPTi93X)
1810 	chip->dma2 = dma2;
1811 #endif
1812 
1813 	if (chip->wss_base == SNDRV_AUTO_PORT) {
1814 		if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1815 			snd_printk("unable to find a free WSS port\n");
1816 			return -EBUSY;
1817 		}
1818 	}
1819 	if ((error = snd_opti9xx_configure(chip)))
1820 		return error;
1821 
1822 #if defined(OPTi93X)
1823 	if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec)))
1824 		return error;
1825 	if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0)
1826 		return error;
1827 	if ((error = snd_opti93x_mixer(codec)) < 0)
1828 		return error;
1829 #elif defined(CS4231)
1830 	if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1,
1831 				       chip->irq, chip->dma1, chip->dma2,
1832 				       CS4231_HW_DETECT,
1833 				       0,
1834 				       &codec)) < 0)
1835 		return error;
1836 	if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0)
1837 		return error;
1838 	if ((error = snd_cs4231_mixer(codec)) < 0)
1839 		return error;
1840 	if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0)
1841 		return error;
1842 #else
1843 	if ((error = snd_ad1848_create(card, chip->wss_base + 4,
1844 				       chip->irq, chip->dma1,
1845 				       AD1848_HW_DETECT, &codec)) < 0)
1846 		return error;
1847 	if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0)
1848 		return error;
1849 	if ((error = snd_ad1848_mixer(codec)) < 0)
1850 		return error;
1851 #endif
1852 	strcpy(card->driver, chip->name);
1853 	sprintf(card->shortname, "OPTi %s", card->driver);
1854 #if defined(CS4231) || defined(OPTi93X)
1855 	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
1856 		card->shortname, pcm->name, chip->wss_base + 4,
1857 		chip->irq, chip->dma1, chip->dma2);
1858 #else
1859 	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
1860 		card->shortname, pcm->name, chip->wss_base + 4,
1861 		chip->irq, chip->dma1);
1862 #endif	/* CS4231 || OPTi93X */
1863 
1864 	if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
1865 		rmidi = NULL;
1866 	else
1867 		if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1868 				chip->mpu_port, 0, chip->mpu_irq, IRQF_DISABLED,
1869 				&rmidi)))
1870 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
1871 				   chip->mpu_port);
1872 
1873 	if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
1874 		struct snd_opl3 *opl3 = NULL;
1875 #ifndef OPTi93X
1876 		if (chip->hardware == OPTi9XX_HW_82C928 ||
1877 		    chip->hardware == OPTi9XX_HW_82C929 ||
1878 		    chip->hardware == OPTi9XX_HW_82C924) {
1879 			struct snd_opl4 *opl4;
1880 			/* assume we have an OPL4 */
1881 			snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1882 					       0x20, 0x20);
1883 			if (snd_opl4_create(card,
1884 					    chip->fm_port,
1885 					    chip->fm_port - 8,
1886 					    2, &opl3, &opl4) < 0) {
1887 				/* no luck, use OPL3 instead */
1888 				snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1889 						       0x00, 0x20);
1890 			}
1891 		}
1892 #endif	/* !OPTi93X */
1893 		if (!opl3 && snd_opl3_create(card,
1894 					     chip->fm_port,
1895 					     chip->fm_port + 2,
1896 					     OPL3_HW_AUTO, 0, &opl3) < 0) {
1897 			snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
1898 				   chip->fm_port, chip->fm_port + 4 - 1);
1899 		}
1900 		if (opl3) {
1901 #ifdef CS4231
1902 			const int t1dev = 1;
1903 #else
1904 			const int t1dev = 0;
1905 #endif
1906 			if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
1907 				return error;
1908 			if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
1909 				return error;
1910 		}
1911 	}
1912 
1913 	return snd_card_register(card);
1914 }
1915 
1916 static struct snd_card *snd_opti9xx_card_new(void)
1917 {
1918 	struct snd_card *card;
1919 
1920 	card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
1921 	if (! card)
1922 		return NULL;
1923 	card->private_free = snd_card_opti9xx_free;
1924 	return card;
1925 }
1926 
1927 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
1928 					   unsigned int dev)
1929 {
1930 	if (snd_opti9xx_pnp_is_probed)
1931 		return 0;
1932 	if (isapnp)
1933 		return 0;
1934 	return 1;
1935 }
1936 
1937 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
1938 					   unsigned int dev)
1939 {
1940 	struct snd_card *card;
1941 	int error;
1942 	static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
1943 #ifdef OPTi93X
1944 	static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
1945 #else
1946 	static int possible_irqs[] = {9, 10, 11, 7, -1};
1947 #endif	/* OPTi93X */
1948 	static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
1949 	static int possible_dma1s[] = {3, 1, 0, -1};
1950 #if defined(CS4231) || defined(OPTi93X)
1951 	static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1952 #endif	/* CS4231 || OPTi93X */
1953 
1954 	if (mpu_port == SNDRV_AUTO_PORT) {
1955 		if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1956 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1957 			return -EBUSY;
1958 		}
1959 	}
1960 	if (irq == SNDRV_AUTO_IRQ) {
1961 		if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1962 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
1963 			return -EBUSY;
1964 		}
1965 	}
1966 	if (mpu_irq == SNDRV_AUTO_IRQ) {
1967 		if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1968 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1969 			return -EBUSY;
1970 		}
1971 	}
1972 	if (dma1 == SNDRV_AUTO_DMA) {
1973 		if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1974 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
1975 			return -EBUSY;
1976 		}
1977 	}
1978 #if defined(CS4231) || defined(OPTi93X)
1979 	if (dma2 == SNDRV_AUTO_DMA) {
1980 		if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1981 			snd_printk("unable to find a free DMA2\n");
1982 			return -EBUSY;
1983 		}
1984 	}
1985 #endif
1986 
1987 	card = snd_opti9xx_card_new();
1988 	if (! card)
1989 		return -ENOMEM;
1990 
1991 	if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1992 		snd_card_free(card);
1993 		return error;
1994 	}
1995 	snd_card_set_dev(card, devptr);
1996 	if ((error = snd_opti9xx_probe(card)) < 0) {
1997 		snd_card_free(card);
1998 		return error;
1999 	}
2000 	dev_set_drvdata(devptr, card);
2001 	return 0;
2002 }
2003 
2004 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
2005 					    unsigned int dev)
2006 {
2007 	snd_card_free(dev_get_drvdata(devptr));
2008 	dev_set_drvdata(devptr, NULL);
2009 	return 0;
2010 }
2011 
2012 static struct isa_driver snd_opti9xx_driver = {
2013 	.match		= snd_opti9xx_isa_match,
2014 	.probe		= snd_opti9xx_isa_probe,
2015 	.remove		= __devexit_p(snd_opti9xx_isa_remove),
2016 	/* FIXME: suspend/resume */
2017 	.driver		= {
2018 		.name	= DEV_NAME
2019 	},
2020 };
2021 
2022 #ifdef CONFIG_PNP
2023 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
2024 					   const struct pnp_card_device_id *pid)
2025 {
2026 	struct snd_card *card;
2027 	int error, hw;
2028 	struct snd_opti9xx *chip;
2029 
2030 	if (snd_opti9xx_pnp_is_probed)
2031 		return -EBUSY;
2032 	if (! isapnp)
2033 		return -ENODEV;
2034 	card = snd_opti9xx_card_new();
2035 	if (! card)
2036 		return -ENOMEM;
2037 	chip = card->private_data;
2038 
2039 	hw = snd_card_opti9xx_pnp(chip, pcard, pid);
2040 	switch (hw) {
2041 	case 0x0924:
2042 		hw = OPTi9XX_HW_82C924;
2043 		break;
2044 	case 0x0925:
2045 		hw = OPTi9XX_HW_82C925;
2046 		break;
2047 	case 0x0931:
2048 		hw = OPTi9XX_HW_82C931;
2049 		break;
2050 	default:
2051 		snd_card_free(card);
2052 		return -ENODEV;
2053 	}
2054 
2055 	if ((error = snd_opti9xx_init(chip, hw))) {
2056 		snd_card_free(card);
2057 		return error;
2058 	}
2059 	if (hw <= OPTi9XX_HW_82C930)
2060 		chip->mc_base -= 0x80;
2061 	snd_card_set_dev(card, &pcard->card->dev);
2062 	if ((error = snd_opti9xx_probe(card)) < 0) {
2063 		snd_card_free(card);
2064 		return error;
2065 	}
2066 	pnp_set_card_drvdata(pcard, card);
2067 	snd_opti9xx_pnp_is_probed = 1;
2068 	return 0;
2069 }
2070 
2071 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
2072 {
2073 	snd_card_free(pnp_get_card_drvdata(pcard));
2074 	pnp_set_card_drvdata(pcard, NULL);
2075 	snd_opti9xx_pnp_is_probed = 0;
2076 }
2077 
2078 static struct pnp_card_driver opti9xx_pnpc_driver = {
2079 	.flags		= PNP_DRIVER_RES_DISABLE,
2080 	.name		= "opti9xx",
2081 	.id_table	= snd_opti9xx_pnpids,
2082 	.probe		= snd_opti9xx_pnp_probe,
2083 	.remove		= __devexit_p(snd_opti9xx_pnp_remove),
2084 };
2085 #endif
2086 
2087 #ifdef OPTi93X
2088 #define CHIP_NAME	"82C93x"
2089 #else
2090 #define CHIP_NAME	"82C92x"
2091 #endif
2092 
2093 static int __init alsa_card_opti9xx_init(void)
2094 {
2095 #ifdef CONFIG_PNP
2096 	pnp_register_card_driver(&opti9xx_pnpc_driver);
2097 	if (snd_opti9xx_pnp_is_probed)
2098 		return 0;
2099 #endif
2100 	return isa_register_driver(&snd_opti9xx_driver, 1);
2101 }
2102 
2103 static void __exit alsa_card_opti9xx_exit(void)
2104 {
2105 	if (!snd_opti9xx_pnp_is_probed) {
2106 		isa_unregister_driver(&snd_opti9xx_driver);
2107 		return;
2108 	}
2109 #ifdef CONFIG_PNP
2110 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2111 #endif
2112 }
2113 
2114 module_init(alsa_card_opti9xx_init)
2115 module_exit(alsa_card_opti9xx_exit)
2116