[ALSA] fix opti9xx/miro section mismatch
[linux-2.6.git] / sound / isa / opti9xx / opti92x-ad1848.c
1 /*
2     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
3     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
4
5     Part of this code was developed at the Italian Ministry of Air Defence,
6     Sixth Division (oh, che pace ...), Rome.
7
8     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
9
10     This program is free software; you can redistribute it and/or modify
11     it under the terms of the GNU General Public License as published by
12     the Free Software Foundation; either version 2 of the License, or
13     (at your option) any later version.
14
15     This program is distributed in the hope that it will be useful,
16     but WITHOUT ANY WARRANTY; without even the implied warranty of
17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18     GNU General Public License for more details.
19
20     You should have received a copy of the GNU General Public License
21     along with this program; if not, write to the Free Software
22     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23 */
24
25
26 #include <linux/init.h>
27 #include <linux/err.h>
28 #include <linux/isa.h>
29 #include <linux/delay.h>
30 #include <linux/slab.h>
31 #include <linux/pnp.h>
32 #include <linux/moduleparam.h>
33 #include <asm/io.h>
34 #include <asm/dma.h>
35 #include <sound/core.h>
36 #ifdef CS4231
37 #include <sound/cs4231.h>
38 #else
39 #ifndef OPTi93X
40 #include <sound/ad1848.h>
41 #else
42 #include <sound/control.h>
43 #include <sound/pcm.h>
44 #endif  /* OPTi93X */
45 #endif  /* CS4231 */
46 #include <sound/mpu401.h>
47 #include <sound/opl3.h>
48 #ifndef OPTi93X
49 #include <sound/opl4.h>
50 #endif
51 #define SNDRV_LEGACY_FIND_FREE_IRQ
52 #define SNDRV_LEGACY_FIND_FREE_DMA
53 #include <sound/initval.h>
54
55 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
56 MODULE_LICENSE("GPL");
57 #ifdef OPTi93X
58 MODULE_DESCRIPTION("OPTi93X");
59 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
60 #else   /* OPTi93X */
61 #ifdef CS4231
62 MODULE_DESCRIPTION("OPTi92X - CS4231");
63 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
64                 "{OPTi,82C925 (CS4231)}}");
65 #else   /* CS4231 */
66 MODULE_DESCRIPTION("OPTi92X - AD1848");
67 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
68                 "{OPTi,82C925 (AD1848)},"
69                 "{OAK,Mozart}}");
70 #endif  /* CS4231 */
71 #endif  /* OPTi93X */
72
73 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
74 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
75 //static int enable = SNDRV_DEFAULT_ENABLE1;    /* Enable this card */
76 static int isapnp = 1;                  /* Enable ISA PnP detection */
77 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
78 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
79 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
80 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
81 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
82 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
83 #if defined(CS4231) || defined(OPTi93X)
84 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
85 #endif  /* CS4231 || OPTi93X */
86
87 module_param(index, int, 0444);
88 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
89 module_param(id, charp, 0444);
90 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
91 //module_param(enable, bool, 0444);
92 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
93 module_param(isapnp, bool, 0444);
94 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
95 module_param(port, long, 0444);
96 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
97 module_param(mpu_port, long, 0444);
98 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
99 module_param(fm_port, long, 0444);
100 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
101 module_param(irq, int, 0444);
102 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
103 module_param(mpu_irq, int, 0444);
104 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
105 module_param(dma1, int, 0444);
106 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
107 #if defined(CS4231) || defined(OPTi93X)
108 module_param(dma2, int, 0444);
109 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
110 #endif  /* CS4231 || OPTi93X */
111
112 #define OPTi9XX_HW_DETECT       0
113 #define OPTi9XX_HW_82C928       1
114 #define OPTi9XX_HW_82C929       2
115 #define OPTi9XX_HW_82C924       3
116 #define OPTi9XX_HW_82C925       4
117 #define OPTi9XX_HW_82C930       5
118 #define OPTi9XX_HW_82C931       6
119 #define OPTi9XX_HW_82C933       7
120 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
121
122 #define OPTi9XX_MC_REG(n)       n
123
124 #ifdef OPTi93X
125
126 #define OPTi93X_INDEX                   0x00
127 #define OPTi93X_DATA                    0x01
128 #define OPTi93X_STATUS                  0x02
129 #define OPTi93X_DDATA                   0x03
130 #define OPTi93X_PORT(chip, r)           ((chip)->port + OPTi93X_##r)
131
132 #define OPTi93X_MIXOUT_LEFT             0x00
133 #define OPTi93X_MIXOUT_RIGHT            0x01
134 #define OPTi93X_CD_LEFT_INPUT           0x02
135 #define OPTi93X_CD_RIGHT_INPUT          0x03
136 #define OPTi930_AUX_LEFT_INPUT          0x04
137 #define OPTi930_AUX_RIGHT_INPUT         0x05
138 #define OPTi931_FM_LEFT_INPUT           0x04
139 #define OPTi931_FM_RIGHT_INPUT          0x05
140 #define OPTi93X_DAC_LEFT                0x06
141 #define OPTi93X_DAC_RIGHT               0x07
142 #define OPTi93X_PLAY_FORMAT             0x08
143 #define OPTi93X_IFACE_CONF              0x09
144 #define OPTi93X_PIN_CTRL                0x0a
145 #define OPTi93X_ERR_INIT                0x0b
146 #define OPTi93X_ID                      0x0c
147 #define OPTi93X_PLAY_UPR_CNT            0x0e
148 #define OPTi93X_PLAY_LWR_CNT            0x0f
149 #define OPTi931_AUX_LEFT_INPUT          0x10
150 #define OPTi931_AUX_RIGHT_INPUT         0x11
151 #define OPTi93X_LINE_LEFT_INPUT         0x12
152 #define OPTi93X_LINE_RIGHT_INPUT        0x13
153 #define OPTi93X_MIC_LEFT_INPUT          0x14
154 #define OPTi93X_MIC_RIGHT_INPUT         0x15
155 #define OPTi93X_OUT_LEFT                0x16
156 #define OPTi93X_OUT_RIGHT               0x17
157 #define OPTi93X_CAPT_FORMAT             0x1c
158 #define OPTi93X_CAPT_UPR_CNT            0x1e
159 #define OPTi93X_CAPT_LWR_CNT            0x1f
160
161 #define OPTi93X_TRD                     0x20
162 #define OPTi93X_MCE                     0x40
163 #define OPTi93X_INIT                    0x80
164
165 #define OPTi93X_MIXOUT_MIC_GAIN         0x20
166 #define OPTi93X_MIXOUT_LINE             0x00
167 #define OPTi93X_MIXOUT_CD               0x40
168 #define OPTi93X_MIXOUT_MIC              0x80
169 #define OPTi93X_MIXOUT_MIXER            0xc0
170
171 #define OPTi93X_STEREO                  0x10
172 #define OPTi93X_LINEAR_8                0x00
173 #define OPTi93X_ULAW_8                  0x20
174 #define OPTi93X_LINEAR_16_LIT           0x40
175 #define OPTi93X_ALAW_8                  0x60
176 #define OPTi93X_ADPCM_16                0xa0
177 #define OPTi93X_LINEAR_16_BIG           0xc0
178
179 #define OPTi93X_CAPTURE_PIO             0x80
180 #define OPTi93X_PLAYBACK_PIO            0x40
181 #define OPTi93X_AUTOCALIB               0x08
182 #define OPTi93X_SINGLE_DMA              0x04
183 #define OPTi93X_CAPTURE_ENABLE          0x02
184 #define OPTi93X_PLAYBACK_ENABLE         0x01
185
186 #define OPTi93X_IRQ_ENABLE              0x02
187
188 #define OPTi93X_DMA_REQUEST             0x10
189 #define OPTi93X_CALIB_IN_PROGRESS       0x20
190
191 #define OPTi93X_IRQ_PLAYBACK            0x04
192 #define OPTi93X_IRQ_CAPTURE             0x08
193
194
195 struct snd_opti93x {
196         unsigned long port;
197         struct resource *res_port;
198         int irq;
199         int dma1;
200         int dma2;
201
202         struct snd_opti9xx *chip;
203         unsigned short hardware;
204         unsigned char image[32];
205
206         unsigned char mce_bit;
207         unsigned short mode;
208         int mute;
209
210         spinlock_t lock;
211
212         struct snd_card *card;
213         struct snd_pcm *pcm;
214         struct snd_pcm_substream *playback_substream;
215         struct snd_pcm_substream *capture_substream;
216         unsigned int p_dma_size;
217         unsigned int c_dma_size;
218 };
219
220 #define OPTi93X_MODE_NONE       0x00
221 #define OPTi93X_MODE_PLAY       0x01
222 #define OPTi93X_MODE_CAPTURE    0x02
223 #define OPTi93X_MODE_OPEN       (OPTi93X_MODE_PLAY | OPTi93X_MODE_CAPTURE)
224
225 #endif /* OPTi93X */
226
227 struct snd_opti9xx {
228         unsigned short hardware;
229         unsigned char password;
230         char name[7];
231
232         unsigned long mc_base;
233         struct resource *res_mc_base;
234         unsigned long mc_base_size;
235 #ifdef OPTi93X
236         unsigned long mc_indir_index;
237 #endif  /* OPTi93X */
238         unsigned long pwd_reg;
239
240         spinlock_t lock;
241
242         long wss_base;
243         int irq;
244         int dma1;
245 #if defined(CS4231) || defined(OPTi93X)
246         int dma2;
247 #endif  /* CS4231 || OPTi93X */
248
249         long fm_port;
250
251         long mpu_port;
252         int mpu_irq;
253
254 #ifdef CONFIG_PNP
255         struct pnp_dev *dev;
256         struct pnp_dev *devmpu;
257 #endif  /* CONFIG_PNP */
258 };
259
260 static int snd_opti9xx_pnp_is_probed;
261
262 #ifdef CONFIG_PNP
263
264 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
265 #ifndef OPTi93X
266         /* OPTi 82C924 */
267         { .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
268         /* OPTi 82C925 */
269         { .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
270 #else
271         /* OPTi 82C931/3 */
272         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
273 #endif  /* OPTi93X */
274         { .id = "" }
275 };
276
277 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
278
279 #endif  /* CONFIG_PNP */
280
281 #ifdef OPTi93X
282 #define DEV_NAME "opti93x"
283 #else
284 #define DEV_NAME "opti92x"
285 #endif
286
287 static char * snd_opti9xx_names[] = {
288         "unkown",
289         "82C928",       "82C929",
290         "82C924",       "82C925",
291         "82C930",       "82C931",       "82C933"
292 };
293
294
295 static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
296 {
297         while (*port_table != -1) {
298                 if (request_region(*port_table, size, "ALSA test")) {
299                         release_region(*port_table, size);
300                         return *port_table;
301                 }
302                 port_table++;
303         }
304         return -1;
305 }
306
307 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
308                                       unsigned short hardware)
309 {
310         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
311
312         chip->hardware = hardware;
313         strcpy(chip->name, snd_opti9xx_names[hardware]);
314
315         chip->mc_base_size = opti9xx_mc_size[hardware];  
316
317         spin_lock_init(&chip->lock);
318
319         chip->wss_base = -1;
320         chip->irq = -1;
321         chip->dma1 = -1;
322 #if defined(CS4231) || defined (OPTi93X)
323         chip->dma2 = -1;
324 #endif  /* CS4231 || OPTi93X */
325         chip->fm_port = -1;
326         chip->mpu_port = -1;
327         chip->mpu_irq = -1;
328
329         switch (hardware) {
330 #ifndef OPTi93X
331         case OPTi9XX_HW_82C928:
332         case OPTi9XX_HW_82C929:
333                 chip->mc_base = 0xf8c;
334                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
335                 chip->pwd_reg = 3;
336                 break;
337
338         case OPTi9XX_HW_82C924:
339         case OPTi9XX_HW_82C925:
340                 chip->mc_base = 0xf8c;
341                 chip->password = 0xe5;
342                 chip->pwd_reg = 3;
343                 break;
344 #else   /* OPTi93X */
345
346         case OPTi9XX_HW_82C930:
347         case OPTi9XX_HW_82C931:
348         case OPTi9XX_HW_82C933:
349                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
350                 chip->mc_indir_index = 0xe0e;
351                 chip->password = 0xe4;
352                 chip->pwd_reg = 0;
353                 break;
354 #endif  /* OPTi93X */
355
356         default:
357                 snd_printk("chip %d not supported\n", hardware);
358                 return -ENODEV;
359         }
360         return 0;
361 }
362
363 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
364                                       unsigned char reg)
365 {
366         unsigned long flags;
367         unsigned char retval = 0xff;
368
369         spin_lock_irqsave(&chip->lock, flags);
370         outb(chip->password, chip->mc_base + chip->pwd_reg);
371
372         switch (chip->hardware) {
373 #ifndef OPTi93X
374         case OPTi9XX_HW_82C924:
375         case OPTi9XX_HW_82C925:
376                 if (reg > 7) {
377                         outb(reg, chip->mc_base + 8);
378                         outb(chip->password, chip->mc_base + chip->pwd_reg);
379                         retval = inb(chip->mc_base + 9);
380                         break;
381                 }
382
383         case OPTi9XX_HW_82C928:
384         case OPTi9XX_HW_82C929:
385                 retval = inb(chip->mc_base + reg);
386                 break;
387 #else   /* OPTi93X */
388
389         case OPTi9XX_HW_82C930:
390         case OPTi9XX_HW_82C931:
391         case OPTi9XX_HW_82C933:
392                 outb(reg, chip->mc_indir_index);
393                 outb(chip->password, chip->mc_base + chip->pwd_reg);
394                 retval = inb(chip->mc_indir_index + 1);
395                 break;
396 #endif  /* OPTi93X */
397
398         default:
399                 snd_printk("chip %d not supported\n", chip->hardware);
400         }
401
402         spin_unlock_irqrestore(&chip->lock, flags);
403         return retval;
404 }
405         
406 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
407                               unsigned char value)
408 {
409         unsigned long flags;
410
411         spin_lock_irqsave(&chip->lock, flags);
412         outb(chip->password, chip->mc_base + chip->pwd_reg);
413
414         switch (chip->hardware) {
415 #ifndef OPTi93X
416         case OPTi9XX_HW_82C924:
417         case OPTi9XX_HW_82C925:
418                 if (reg > 7) {
419                         outb(reg, chip->mc_base + 8);
420                         outb(chip->password, chip->mc_base + chip->pwd_reg);
421                         outb(value, chip->mc_base + 9);
422                         break;
423                 }
424
425         case OPTi9XX_HW_82C928:
426         case OPTi9XX_HW_82C929:
427                 outb(value, chip->mc_base + reg);
428                 break;
429 #else   /* OPTi93X */
430
431         case OPTi9XX_HW_82C930:
432         case OPTi9XX_HW_82C931:
433         case OPTi9XX_HW_82C933:
434                 outb(reg, chip->mc_indir_index);
435                 outb(chip->password, chip->mc_base + chip->pwd_reg);
436                 outb(value, chip->mc_indir_index + 1);
437                 break;
438 #endif  /* OPTi93X */
439
440         default:
441                 snd_printk("chip %d not supported\n", chip->hardware);
442         }
443
444         spin_unlock_irqrestore(&chip->lock, flags);
445 }
446
447
448 #define snd_opti9xx_write_mask(chip, reg, value, mask)  \
449         snd_opti9xx_write(chip, reg,                    \
450                 (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
451
452
453 static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip)
454 {
455         unsigned char wss_base_bits;
456         unsigned char irq_bits;
457         unsigned char dma_bits;
458         unsigned char mpu_port_bits = 0;
459         unsigned char mpu_irq_bits;
460
461         switch (chip->hardware) {
462 #ifndef OPTi93X
463         case OPTi9XX_HW_82C924:
464                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
465                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
466
467         case OPTi9XX_HW_82C925:
468                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
469                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
470                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
471 #ifdef CS4231
472                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
473 #else
474                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
475 #endif  /* CS4231 */
476                 break;
477
478         case OPTi9XX_HW_82C928:
479         case OPTi9XX_HW_82C929:
480                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
481                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
482                 /*
483                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
484                 */
485                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
486 #ifdef CS4231
487                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
488 #else
489                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
490 #endif  /* CS4231 */
491                 break;
492
493 #else   /* OPTi93X */
494         case OPTi9XX_HW_82C930:
495         case OPTi9XX_HW_82C931:
496         case OPTi9XX_HW_82C933:
497                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
498                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
499                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
500                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
501                         0x34);
502                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
503                 /* 
504                  * The BTC 1817DW has QS1000 wavetable which is connected
505                  * to the serial digital input of the OPTI931.
506                  */
507                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
508                 /* 
509                  * This bit sets OPTI931 to automaticaly select FM
510                  * or digital input signal.
511                  */
512                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
513                 break;
514 #endif  /* OPTi93X */
515
516         default:
517                 snd_printk("chip %d not supported\n", chip->hardware);
518                 return -EINVAL;
519         }
520
521         switch (chip->wss_base) {
522         case 0x530:
523                 wss_base_bits = 0x00;
524                 break;
525         case 0x604:
526                 wss_base_bits = 0x03;
527                 break;
528         case 0xe80:
529                 wss_base_bits = 0x01;
530                 break;
531         case 0xf40:
532                 wss_base_bits = 0x02;
533                 break;
534         default:
535                 snd_printk("WSS port 0x%lx not valid\n", chip->wss_base);
536                 goto __skip_base;
537         }
538         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
539
540 __skip_base:
541         switch (chip->irq) {
542 //#ifdef OPTi93X
543         case 5:
544                 irq_bits = 0x05;
545                 break;
546 //#endif        /* OPTi93X */
547         case 7:
548                 irq_bits = 0x01;
549                 break;
550         case 9:
551                 irq_bits = 0x02;
552                 break;
553         case 10:
554                 irq_bits = 0x03;
555                 break;
556         case 11:
557                 irq_bits = 0x04;
558                 break;
559         default:
560                 snd_printk("WSS irq # %d not valid\n", chip->irq);
561                 goto __skip_resources;
562         }
563
564         switch (chip->dma1) {
565         case 0:
566                 dma_bits = 0x01;
567                 break;
568         case 1:
569                 dma_bits = 0x02;
570                 break;
571         case 3:
572                 dma_bits = 0x03;
573                 break;
574         default:
575                 snd_printk("WSS dma1 # %d not valid\n", chip->dma1);
576                 goto __skip_resources;
577         }
578
579 #if defined(CS4231) || defined(OPTi93X)
580         if (chip->dma1 == chip->dma2) {
581                 snd_printk("don't want to share dmas\n");
582                 return -EBUSY;
583         }
584
585         switch (chip->dma2) {
586         case 0:
587         case 1:
588                 break;
589         default:
590                 snd_printk("WSS dma2 # %d not valid\n", chip->dma2);
591                 goto __skip_resources;
592         }
593         dma_bits |= 0x04;
594 #endif  /* CS4231 || OPTi93X */
595
596 #ifndef OPTi93X
597          outb(irq_bits << 3 | dma_bits, chip->wss_base);
598 #else /* OPTi93X */
599         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
600 #endif /* OPTi93X */
601
602 __skip_resources:
603         if (chip->hardware > OPTi9XX_HW_82C928) {
604                 switch (chip->mpu_port) {
605                 case 0:
606                 case -1:
607                         break;
608                 case 0x300:
609                         mpu_port_bits = 0x03;
610                         break;
611                 case 0x310:
612                         mpu_port_bits = 0x02;
613                         break;
614                 case 0x320:
615                         mpu_port_bits = 0x01;
616                         break;
617                 case 0x330:
618                         mpu_port_bits = 0x00;
619                         break;
620                 default:
621                         snd_printk("MPU-401 port 0x%lx not valid\n",
622                                 chip->mpu_port);
623                         goto __skip_mpu;
624                 }
625
626                 switch (chip->mpu_irq) {
627                 case 5:
628                         mpu_irq_bits = 0x02;
629                         break;
630                 case 7:
631                         mpu_irq_bits = 0x03;
632                         break;
633                 case 9:
634                         mpu_irq_bits = 0x00;
635                         break;
636                 case 10:
637                         mpu_irq_bits = 0x01;
638                         break;
639                 default:
640                         snd_printk("MPU-401 irq # %d not valid\n",
641                                 chip->mpu_irq);
642                         goto __skip_mpu;
643                 }
644
645                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
646                         (chip->mpu_port <= 0) ? 0x00 :
647                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
648                         0xf8);
649         }
650 __skip_mpu:
651
652         return 0;
653 }
654
655 #ifdef OPTi93X
656
657 static unsigned char snd_opti93x_default_image[32] =
658 {
659         0x00,           /* 00/00 - l_mixout_outctrl */
660         0x00,           /* 01/01 - r_mixout_outctrl */
661         0x88,           /* 02/02 - l_cd_inctrl */
662         0x88,           /* 03/03 - r_cd_inctrl */
663         0x88,           /* 04/04 - l_a1/fm_inctrl */
664         0x88,           /* 05/05 - r_a1/fm_inctrl */
665         0x80,           /* 06/06 - l_dac_inctrl */
666         0x80,           /* 07/07 - r_dac_inctrl */
667         0x00,           /* 08/08 - ply_dataform_reg */
668         0x00,           /* 09/09 - if_conf */
669         0x00,           /* 0a/10 - pin_ctrl */
670         0x00,           /* 0b/11 - err_init_reg */
671         0x0a,           /* 0c/12 - id_reg */
672         0x00,           /* 0d/13 - reserved */
673         0x00,           /* 0e/14 - ply_upcount_reg */
674         0x00,           /* 0f/15 - ply_lowcount_reg */
675         0x88,           /* 10/16 - reserved/l_a1_inctrl */
676         0x88,           /* 11/17 - reserved/r_a1_inctrl */
677         0x88,           /* 12/18 - l_line_inctrl */
678         0x88,           /* 13/19 - r_line_inctrl */
679         0x88,           /* 14/20 - l_mic_inctrl */
680         0x88,           /* 15/21 - r_mic_inctrl */
681         0x80,           /* 16/22 - l_out_outctrl */
682         0x80,           /* 17/23 - r_out_outctrl */
683         0x00,           /* 18/24 - reserved */
684         0x00,           /* 19/25 - reserved */
685         0x00,           /* 1a/26 - reserved */
686         0x00,           /* 1b/27 - reserved */
687         0x00,           /* 1c/28 - cap_dataform_reg */
688         0x00,           /* 1d/29 - reserved */
689         0x00,           /* 1e/30 - cap_upcount_reg */
690         0x00            /* 1f/31 - cap_lowcount_reg */
691 };
692
693
694 static int snd_opti93x_busy_wait(struct snd_opti93x *chip)
695 {
696         int timeout;
697
698         for (timeout = 250; timeout-- > 0; udelay(10))
699                 if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_INIT))
700                         return 0;
701
702         snd_printk("chip still busy.\n");
703         return -EBUSY;
704 }
705
706 static unsigned char snd_opti93x_in(struct snd_opti93x *chip, unsigned char reg)
707 {
708         snd_opti93x_busy_wait(chip);
709         outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
710         return inb(OPTi93X_PORT(chip, DATA));
711 }
712
713 static void snd_opti93x_out(struct snd_opti93x *chip, unsigned char reg,
714                             unsigned char value)
715 {
716         snd_opti93x_busy_wait(chip);
717         outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
718         outb(value, OPTi93X_PORT(chip, DATA));
719 }
720
721 static void snd_opti93x_out_image(struct snd_opti93x *chip, unsigned char reg,
722                                   unsigned char value)
723 {
724         snd_opti93x_out(chip, reg, chip->image[reg] = value);
725 }
726
727 static void snd_opti93x_out_mask(struct snd_opti93x *chip, unsigned char reg,
728                                  unsigned char mask, unsigned char value)
729 {
730         snd_opti93x_out_image(chip, reg,
731                 (chip->image[reg] & ~mask) | (value & mask));
732 }
733
734
735 static void snd_opti93x_mce_up(struct snd_opti93x *chip)
736 {
737         snd_opti93x_busy_wait(chip);
738
739         chip->mce_bit = OPTi93X_MCE;
740         if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE))
741                 outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
742 }
743
744 static void snd_opti93x_mce_down(struct snd_opti93x *chip)
745 {
746         snd_opti93x_busy_wait(chip);
747
748         chip->mce_bit = 0;
749         if (inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE)
750                 outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
751 }
752
753 #define snd_opti93x_mute_reg(chip, reg, mute)   \
754         snd_opti93x_out(chip, reg, mute ? 0x80 : chip->image[reg]);
755
756 static void snd_opti93x_mute(struct snd_opti93x *chip, int mute)
757 {
758         mute = mute ? 1 : 0;
759         if (chip->mute == mute)
760                 return;
761
762         chip->mute = mute;
763
764         snd_opti93x_mute_reg(chip, OPTi93X_CD_LEFT_INPUT, mute);
765         snd_opti93x_mute_reg(chip, OPTi93X_CD_RIGHT_INPUT, mute);
766         switch (chip->hardware) {
767         case OPTi9XX_HW_82C930:
768                 snd_opti93x_mute_reg(chip, OPTi930_AUX_LEFT_INPUT, mute);
769                 snd_opti93x_mute_reg(chip, OPTi930_AUX_RIGHT_INPUT, mute);
770                 break;
771         case OPTi9XX_HW_82C931:
772         case OPTi9XX_HW_82C933:
773                 snd_opti93x_mute_reg(chip, OPTi931_FM_LEFT_INPUT, mute);
774                 snd_opti93x_mute_reg(chip, OPTi931_FM_RIGHT_INPUT, mute);
775                 snd_opti93x_mute_reg(chip, OPTi931_AUX_LEFT_INPUT, mute);
776                 snd_opti93x_mute_reg(chip, OPTi931_AUX_RIGHT_INPUT, mute);
777         }
778         snd_opti93x_mute_reg(chip, OPTi93X_DAC_LEFT, mute);
779         snd_opti93x_mute_reg(chip, OPTi93X_DAC_RIGHT, mute);
780         snd_opti93x_mute_reg(chip, OPTi93X_LINE_LEFT_INPUT, mute);
781         snd_opti93x_mute_reg(chip, OPTi93X_LINE_RIGHT_INPUT, mute);
782         snd_opti93x_mute_reg(chip, OPTi93X_MIC_LEFT_INPUT, mute);
783         snd_opti93x_mute_reg(chip, OPTi93X_MIC_RIGHT_INPUT, mute);
784         snd_opti93x_mute_reg(chip, OPTi93X_OUT_LEFT, mute);
785         snd_opti93x_mute_reg(chip, OPTi93X_OUT_RIGHT, mute);
786 }
787
788
789 static unsigned int snd_opti93x_get_count(unsigned char format,
790                                           unsigned int size)
791 {
792         switch (format & 0xe0) {
793         case OPTi93X_LINEAR_16_LIT:
794         case OPTi93X_LINEAR_16_BIG:
795                 size >>= 1;
796                 break;
797         case OPTi93X_ADPCM_16:
798                 return size >> 2;
799         }
800         return (format & OPTi93X_STEREO) ? (size >> 1) : size;
801 }
802
803 static unsigned int rates[] = {  5512,  6615,  8000,  9600, 11025, 16000, 
804                                 18900, 22050, 27428, 32000, 33075, 37800,
805                                 44100, 48000 };
806 #define RATES ARRAY_SIZE(rates)
807
808 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
809         .count = RATES,
810         .list = rates,
811         .mask = 0,
812 };
813
814 static unsigned char bits[] = {  0x01,  0x0f,  0x00,  0x0e,  0x03,  0x02,
815                                  0x05,  0x07,  0x04,  0x06,  0x0d,  0x09,
816                                  0x0b,  0x0c};
817
818 static unsigned char snd_opti93x_get_freq(unsigned int rate)
819 {
820         unsigned int i;
821
822         for (i = 0; i < RATES; i++) {
823                 if (rate == rates[i])
824                         return bits[i];
825         }
826         snd_BUG();
827         return bits[RATES-1];
828 }
829
830 static unsigned char snd_opti93x_get_format(struct snd_opti93x *chip,
831                                             unsigned int format, int channels)
832 {
833         unsigned char retval = OPTi93X_LINEAR_8;
834
835         switch (format) {
836         case SNDRV_PCM_FORMAT_MU_LAW:
837                 retval = OPTi93X_ULAW_8;
838                 break;
839         case SNDRV_PCM_FORMAT_A_LAW:
840                 retval = OPTi93X_ALAW_8;
841                 break;
842         case SNDRV_PCM_FORMAT_S16_LE:
843                 retval = OPTi93X_LINEAR_16_LIT;
844                 break;
845         case SNDRV_PCM_FORMAT_S16_BE:
846                 retval = OPTi93X_LINEAR_16_BIG;
847                 break;
848         case SNDRV_PCM_FORMAT_IMA_ADPCM:
849                 retval = OPTi93X_ADPCM_16;
850         }
851         return (channels > 1) ? (retval | OPTi93X_STEREO) : retval;
852 }
853
854
855 static void snd_opti93x_playback_format(struct snd_opti93x *chip, unsigned char fmt)
856 {
857         unsigned char mask;
858
859         snd_opti93x_mute(chip, 1);
860
861         snd_opti93x_mce_up(chip);
862         mask = (chip->mode & OPTi93X_MODE_CAPTURE) ? 0xf0 : 0xff;
863         snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, mask, fmt);
864         snd_opti93x_mce_down(chip);
865
866         snd_opti93x_mute(chip, 0);
867 }
868
869 static void snd_opti93x_capture_format(struct snd_opti93x *chip, unsigned char fmt)
870 {
871         snd_opti93x_mute(chip, 1);
872
873         snd_opti93x_mce_up(chip);
874         if (!(chip->mode & OPTi93X_MODE_PLAY))
875                 snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, 0x0f, fmt);
876         else
877                 fmt = chip->image[OPTi93X_PLAY_FORMAT] & 0xf0;
878         snd_opti93x_out_image(chip, OPTi93X_CAPT_FORMAT, fmt);
879         snd_opti93x_mce_down(chip);
880
881         snd_opti93x_mute(chip, 0);
882 }
883
884
885 static int snd_opti93x_open(struct snd_opti93x *chip, unsigned int mode)
886 {
887         unsigned long flags;
888
889         spin_lock_irqsave(&chip->lock, flags);
890
891         if (chip->mode & mode) {
892                 spin_unlock_irqrestore(&chip->lock, flags);
893                 return -EAGAIN;
894         }
895
896         if (!(chip->mode & OPTi93X_MODE_OPEN)) {
897                 outb(0x00, OPTi93X_PORT(chip, STATUS));
898                 snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL,
899                         OPTi93X_IRQ_ENABLE, OPTi93X_IRQ_ENABLE);
900                 chip->mode = mode;
901         }
902         else
903                 chip->mode |= mode;
904
905         spin_unlock_irqrestore(&chip->lock, flags);
906         return 0;
907 }
908
909 static void snd_opti93x_close(struct snd_opti93x *chip, unsigned int mode)
910 {
911         unsigned long flags;
912
913         spin_lock_irqsave(&chip->lock, flags);
914
915         chip->mode &= ~mode;
916         if (chip->mode & OPTi93X_MODE_OPEN) {
917                 spin_unlock_irqrestore(&chip->lock, flags);
918                 return;
919         }
920
921         snd_opti93x_mute(chip, 1);
922
923         outb(0, OPTi93X_PORT(chip, STATUS));
924         snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL, OPTi93X_IRQ_ENABLE,
925                 ~OPTi93X_IRQ_ENABLE);
926
927         snd_opti93x_mce_up(chip);
928         snd_opti93x_out_image(chip, OPTi93X_IFACE_CONF, 0x00);
929         snd_opti93x_mce_down(chip);
930         chip->mode = 0;
931
932         snd_opti93x_mute(chip, 0);
933         spin_unlock_irqrestore(&chip->lock, flags);
934 }
935
936 static int snd_opti93x_trigger(struct snd_pcm_substream *substream, 
937                                unsigned char what, int cmd)
938 {
939         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
940
941         switch (cmd) {
942         case SNDRV_PCM_TRIGGER_START:
943         case SNDRV_PCM_TRIGGER_STOP:
944         {
945                 unsigned int what = 0;
946                 struct snd_pcm_substream *s;
947                 snd_pcm_group_for_each_entry(s, substream) {
948                         if (s == chip->playback_substream) {
949                                 what |= OPTi93X_PLAYBACK_ENABLE;
950                                 snd_pcm_trigger_done(s, substream);
951                         } else if (s == chip->capture_substream) {
952                                 what |= OPTi93X_CAPTURE_ENABLE;
953                                 snd_pcm_trigger_done(s, substream);
954                         }
955                 }
956                 spin_lock(&chip->lock);
957                 if (cmd == SNDRV_PCM_TRIGGER_START) {
958                         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, what);
959                         if (what & OPTi93X_CAPTURE_ENABLE)
960                                 udelay(50);
961                 } else
962                         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, 0x00);
963                 spin_unlock(&chip->lock);
964                 break;
965         }
966         default:
967                 return -EINVAL;
968         }
969         return 0;
970 }
971
972 static int snd_opti93x_playback_trigger(struct snd_pcm_substream *substream, int cmd)
973 {
974         return snd_opti93x_trigger(substream,
975                                    OPTi93X_PLAYBACK_ENABLE, cmd);
976 }
977
978 static int snd_opti93x_capture_trigger(struct snd_pcm_substream *substream, int cmd)
979 {
980         return snd_opti93x_trigger(substream,
981                                    OPTi93X_CAPTURE_ENABLE, cmd);
982 }
983
984 static int snd_opti93x_hw_params(struct snd_pcm_substream *substream,
985                                  struct snd_pcm_hw_params *hw_params)
986 {
987         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
988 }
989
990
991 static int snd_opti93x_hw_free(struct snd_pcm_substream *substream)
992 {
993         snd_pcm_lib_free_pages(substream);
994         return 0;
995 }
996
997
998 static int snd_opti93x_playback_prepare(struct snd_pcm_substream *substream)
999 {
1000         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1001         struct snd_pcm_runtime *runtime = substream->runtime;
1002         unsigned long flags;
1003         unsigned char format;
1004         unsigned int count = snd_pcm_lib_period_bytes(substream);
1005         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1006
1007         spin_lock_irqsave(&chip->lock, flags);
1008
1009         chip->p_dma_size = size;
1010         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1011                 OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO,
1012                 ~(OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO));
1013
1014         snd_dma_program(chip->dma1, runtime->dma_addr, size,
1015                 DMA_MODE_WRITE | DMA_AUTOINIT);
1016
1017         format = snd_opti93x_get_freq(runtime->rate);
1018         format |= snd_opti93x_get_format(chip, runtime->format,
1019                 runtime->channels);
1020         snd_opti93x_playback_format(chip, format);
1021         format = chip->image[OPTi93X_PLAY_FORMAT];
1022
1023         count = snd_opti93x_get_count(format, count) - 1;
1024         snd_opti93x_out_image(chip, OPTi93X_PLAY_LWR_CNT, count);
1025         snd_opti93x_out_image(chip, OPTi93X_PLAY_UPR_CNT, count >> 8);
1026
1027         spin_unlock_irqrestore(&chip->lock, flags);
1028         return 0;
1029 }
1030
1031 static int snd_opti93x_capture_prepare(struct snd_pcm_substream *substream)
1032 {
1033         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1034         struct snd_pcm_runtime *runtime = substream->runtime;
1035         unsigned long flags;
1036         unsigned char format;
1037         unsigned int count = snd_pcm_lib_period_bytes(substream);
1038         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1039
1040         spin_lock_irqsave(&chip->lock, flags);
1041
1042         chip->c_dma_size = size;
1043         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1044                 OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO, 0);
1045
1046         snd_dma_program(chip->dma2, runtime->dma_addr, size,
1047                 DMA_MODE_READ | DMA_AUTOINIT);
1048
1049         format = snd_opti93x_get_freq(runtime->rate);
1050         format |= snd_opti93x_get_format(chip, runtime->format,
1051                 runtime->channels);
1052         snd_opti93x_capture_format(chip, format);
1053         format = chip->image[OPTi93X_CAPT_FORMAT];
1054
1055         count = snd_opti93x_get_count(format, count) - 1;
1056         snd_opti93x_out_image(chip, OPTi93X_CAPT_LWR_CNT, count);
1057         snd_opti93x_out_image(chip, OPTi93X_CAPT_UPR_CNT, count >> 8);
1058
1059         spin_unlock_irqrestore(&chip->lock, flags);
1060         return 0;
1061 }
1062
1063 static snd_pcm_uframes_t snd_opti93x_playback_pointer(struct snd_pcm_substream *substream)
1064 {
1065         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1066         size_t ptr;
1067
1068         if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_PLAYBACK_ENABLE))
1069                 return 0;
1070
1071         ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
1072         return bytes_to_frames(substream->runtime, ptr);
1073 }
1074
1075 static snd_pcm_uframes_t snd_opti93x_capture_pointer(struct snd_pcm_substream *substream)
1076 {
1077         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1078         size_t ptr;
1079         
1080         if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_CAPTURE_ENABLE))
1081                 return 0;
1082
1083         ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
1084         return bytes_to_frames(substream->runtime, ptr);
1085 }
1086
1087
1088 static void snd_opti93x_overrange(struct snd_opti93x *chip)
1089 {
1090         unsigned long flags;
1091
1092         spin_lock_irqsave(&chip->lock, flags);
1093
1094         if (snd_opti93x_in(chip, OPTi93X_ERR_INIT) & (0x08 | 0x02))
1095                 chip->capture_substream->runtime->overrange++;
1096
1097         spin_unlock_irqrestore(&chip->lock, flags);
1098 }
1099
1100 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
1101 {
1102         struct snd_opti93x *codec = dev_id;
1103         unsigned char status;
1104
1105         status = snd_opti9xx_read(codec->chip, OPTi9XX_MC_REG(11));
1106         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
1107                 snd_pcm_period_elapsed(codec->playback_substream);
1108         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
1109                 snd_opti93x_overrange(codec);
1110                 snd_pcm_period_elapsed(codec->capture_substream);
1111         }
1112         outb(0x00, OPTi93X_PORT(codec, STATUS));
1113         return IRQ_HANDLED;
1114 }
1115
1116
1117 static struct snd_pcm_hardware snd_opti93x_playback = {
1118         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1119                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1120         .formats =              (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1121                                  SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1122         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1123         .rate_min =             5512,
1124         .rate_max =             48000,
1125         .channels_min =         1,
1126         .channels_max =         2,
1127         .buffer_bytes_max =     (128*1024),
1128         .period_bytes_min =     64,
1129         .period_bytes_max =     (128*1024),
1130         .periods_min =          1,
1131         .periods_max =          1024,
1132         .fifo_size =            0,
1133 };
1134
1135 static struct snd_pcm_hardware snd_opti93x_capture = {
1136         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1137                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1138         .formats =              (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1139                                  SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1140         .rates =                SNDRV_PCM_RATE_8000_48000,
1141         .rate_min =             5512,
1142         .rate_max =             48000,
1143         .channels_min =         1,
1144         .channels_max =         2,
1145         .buffer_bytes_max =     (128*1024),
1146         .period_bytes_min =     64,
1147         .period_bytes_max =     (128*1024),
1148         .periods_min =          1,
1149         .periods_max =          1024,
1150         .fifo_size =            0,
1151 };
1152
1153 static int snd_opti93x_playback_open(struct snd_pcm_substream *substream)
1154 {
1155         int error;
1156         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1157         struct snd_pcm_runtime *runtime = substream->runtime;
1158
1159         if ((error = snd_opti93x_open(chip, OPTi93X_MODE_PLAY)) < 0)
1160                 return error;
1161         snd_pcm_set_sync(substream);
1162         chip->playback_substream = substream;
1163         runtime->hw = snd_opti93x_playback;
1164         snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
1165         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1166         return error;
1167 }
1168
1169 static int snd_opti93x_capture_open(struct snd_pcm_substream *substream)
1170 {
1171         int error;
1172         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1173         struct snd_pcm_runtime *runtime = substream->runtime;
1174
1175         if ((error = snd_opti93x_open(chip, OPTi93X_MODE_CAPTURE)) < 0)
1176                 return error;
1177         runtime->hw = snd_opti93x_capture;
1178         snd_pcm_set_sync(substream);
1179         chip->capture_substream = substream;
1180         snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
1181         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1182         return error;
1183 }
1184
1185 static int snd_opti93x_playback_close(struct snd_pcm_substream *substream)
1186 {
1187         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1188
1189         chip->playback_substream = NULL;
1190         snd_opti93x_close(chip, OPTi93X_MODE_PLAY);
1191         return 0;
1192 }
1193
1194 static int snd_opti93x_capture_close(struct snd_pcm_substream *substream)
1195 {
1196         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1197
1198         chip->capture_substream = NULL;
1199         snd_opti93x_close(chip, OPTi93X_MODE_CAPTURE);
1200         return 0;
1201 }
1202
1203
1204 static void snd_opti93x_init(struct snd_opti93x *chip)
1205 {
1206         unsigned long flags;
1207         int i;
1208
1209         spin_lock_irqsave(&chip->lock, flags);
1210         snd_opti93x_mce_up(chip);
1211
1212         for (i = 0; i < 32; i++)
1213                 snd_opti93x_out_image(chip, i, snd_opti93x_default_image[i]);
1214
1215         snd_opti93x_mce_down(chip);
1216         spin_unlock_irqrestore(&chip->lock, flags);
1217 }
1218
1219 static int snd_opti93x_probe(struct snd_opti93x *chip)
1220 {
1221         unsigned long flags;
1222         unsigned char val;
1223
1224         spin_lock_irqsave(&chip->lock, flags);
1225         val = snd_opti93x_in(chip, OPTi93X_ID) & 0x0f;
1226         spin_unlock_irqrestore(&chip->lock, flags);
1227
1228         return (val == 0x0a) ? 0 : -ENODEV;
1229 }
1230
1231 static int snd_opti93x_free(struct snd_opti93x *chip)
1232 {
1233         release_and_free_resource(chip->res_port);
1234         if (chip->dma1 >= 0) {
1235                 disable_dma(chip->dma1);
1236                 free_dma(chip->dma1);
1237         }
1238         if (chip->dma2 >= 0) {
1239                 disable_dma(chip->dma2);
1240                 free_dma(chip->dma2);
1241         }
1242         if (chip->irq >= 0) {
1243           free_irq(chip->irq, chip);
1244         }
1245         kfree(chip);
1246         return 0;
1247 }
1248
1249 static int snd_opti93x_dev_free(struct snd_device *device)
1250 {
1251         struct snd_opti93x *chip = device->device_data;
1252         return snd_opti93x_free(chip);
1253 }
1254
1255 static const char *snd_opti93x_chip_id(struct snd_opti93x *codec)
1256 {
1257         switch (codec->hardware) {
1258         case OPTi9XX_HW_82C930: return "82C930";
1259         case OPTi9XX_HW_82C931: return "82C931";
1260         case OPTi9XX_HW_82C933: return "82C933";
1261         default:                return "???";
1262         }
1263 }
1264
1265 static int snd_opti93x_create(struct snd_card *card, struct snd_opti9xx *chip,
1266                               int dma1, int dma2,
1267                               struct snd_opti93x **rcodec)
1268 {
1269         static struct snd_device_ops ops = {
1270                 .dev_free =     snd_opti93x_dev_free,
1271         };
1272         int error;
1273         struct snd_opti93x *codec;
1274
1275         *rcodec = NULL;
1276         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1277         if (codec == NULL)
1278                 return -ENOMEM;
1279         codec->irq = -1;
1280         codec->dma1 = -1;
1281         codec->dma2 = -1;
1282
1283         if ((codec->res_port = request_region(chip->wss_base + 4, 4, "OPTI93x CODEC")) == NULL) {
1284                 snd_printk(KERN_ERR "opti9xx: can't grab port 0x%lx\n", chip->wss_base + 4);
1285                 snd_opti93x_free(codec);
1286                 return -EBUSY;
1287         }
1288         if (request_dma(dma1, "OPTI93x - 1")) {
1289                 snd_printk(KERN_ERR "opti9xx: can't grab DMA1 %d\n", dma1);
1290                 snd_opti93x_free(codec);
1291                 return -EBUSY;
1292         }
1293         codec->dma1 = chip->dma1;
1294         if (request_dma(dma2, "OPTI93x - 2")) {
1295                 snd_printk(KERN_ERR "opti9xx: can't grab DMA2 %d\n", dma2);
1296                 snd_opti93x_free(codec);
1297                 return -EBUSY;
1298         }
1299         codec->dma2 = chip->dma2;
1300
1301         if (request_irq(chip->irq, snd_opti93x_interrupt, IRQF_DISABLED, DEV_NAME" - WSS", codec)) {
1302                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
1303                 snd_opti93x_free(codec);
1304                 return -EBUSY;
1305         }
1306
1307         codec->card = card;
1308         codec->port = chip->wss_base + 4;
1309         codec->irq = chip->irq;
1310
1311         spin_lock_init(&codec->lock);
1312         codec->hardware = chip->hardware;
1313         codec->chip = chip;
1314
1315         if ((error = snd_opti93x_probe(codec))) {
1316                 snd_opti93x_free(codec);
1317                 return error;
1318         }
1319
1320         snd_opti93x_init(codec);
1321
1322         /* Register device */
1323         if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
1324                 snd_opti93x_free(codec);
1325                 return error;
1326         }
1327
1328         *rcodec = codec;
1329         return 0;
1330 }
1331
1332 static struct snd_pcm_ops snd_opti93x_playback_ops = {
1333         .open =         snd_opti93x_playback_open,
1334         .close =        snd_opti93x_playback_close,
1335         .ioctl =        snd_pcm_lib_ioctl,
1336         .hw_params =    snd_opti93x_hw_params,
1337         .hw_free =      snd_opti93x_hw_free,
1338         .prepare =      snd_opti93x_playback_prepare,
1339         .trigger =      snd_opti93x_playback_trigger,
1340         .pointer =      snd_opti93x_playback_pointer,
1341 };
1342
1343 static struct snd_pcm_ops snd_opti93x_capture_ops = {
1344         .open =         snd_opti93x_capture_open,
1345         .close =        snd_opti93x_capture_close,
1346         .ioctl =        snd_pcm_lib_ioctl,
1347         .hw_params =    snd_opti93x_hw_params,
1348         .hw_free =      snd_opti93x_hw_free,
1349         .prepare =      snd_opti93x_capture_prepare,
1350         .trigger =      snd_opti93x_capture_trigger,
1351         .pointer =      snd_opti93x_capture_pointer,
1352 };
1353
1354 static int snd_opti93x_pcm(struct snd_opti93x *codec, int device, struct snd_pcm **rpcm)
1355 {
1356         int error;
1357         struct snd_pcm *pcm;
1358
1359         if ((error = snd_pcm_new(codec->card, "OPTi 82C93X", device, 1, 1, &pcm)) < 0)
1360                 return error;
1361
1362         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_opti93x_playback_ops);
1363         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_opti93x_capture_ops);
1364
1365         pcm->private_data = codec;
1366         pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1367
1368         strcpy(pcm->name, snd_opti93x_chip_id(codec));
1369
1370         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1371                                               snd_dma_isa_data(),
1372                                               64*1024, codec->dma1 > 3 || codec->dma2 > 3 ? 128*1024 : 64*1024);
1373
1374         codec->pcm = pcm;
1375         if (rpcm)
1376                 *rpcm = pcm;
1377         return 0;
1378 }
1379
1380 /*
1381  *  MIXER part
1382  */
1383
1384 static int snd_opti93x_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1385 {
1386         static char *texts[4] = {
1387                 "Line1", "Aux", "Mic", "Mix"
1388         };
1389
1390         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1391         uinfo->count = 2;
1392         uinfo->value.enumerated.items = 4;
1393         if (uinfo->value.enumerated.item > 3)
1394                 uinfo->value.enumerated.item = 3;
1395         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1396         return 0;
1397 }
1398
1399 static int snd_opti93x_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1400 {
1401         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1402         unsigned long flags;
1403         
1404         spin_lock_irqsave(&chip->lock, flags);
1405         ucontrol->value.enumerated.item[0] = (chip->image[OPTi93X_MIXOUT_LEFT] & OPTi93X_MIXOUT_MIXER) >> 6;
1406         ucontrol->value.enumerated.item[1] = (chip->image[OPTi93X_MIXOUT_RIGHT] & OPTi93X_MIXOUT_MIXER) >> 6;
1407         spin_unlock_irqrestore(&chip->lock, flags);
1408         return 0;
1409 }
1410
1411 static int snd_opti93x_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1412 {
1413         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1414         unsigned long flags;
1415         unsigned short left, right;
1416         int change;
1417         
1418         if (ucontrol->value.enumerated.item[0] > 3 ||
1419             ucontrol->value.enumerated.item[1] > 3)
1420                 return -EINVAL;
1421         left = ucontrol->value.enumerated.item[0] << 6;
1422         right = ucontrol->value.enumerated.item[1] << 6;
1423         spin_lock_irqsave(&chip->lock, flags);
1424         left = (chip->image[OPTi93X_MIXOUT_LEFT] & ~OPTi93X_MIXOUT_MIXER) | left;
1425         right = (chip->image[OPTi93X_MIXOUT_RIGHT] & ~OPTi93X_MIXOUT_MIXER) | right;
1426         change = left != chip->image[OPTi93X_MIXOUT_LEFT] ||
1427                  right != chip->image[OPTi93X_MIXOUT_RIGHT];
1428         snd_opti93x_out_image(chip, OPTi93X_MIXOUT_LEFT, left);
1429         snd_opti93x_out_image(chip, OPTi93X_MIXOUT_RIGHT, right);
1430         spin_unlock_irqrestore(&chip->lock, flags);
1431         return change;
1432 }
1433
1434 #if 0
1435
1436 #define OPTi93X_SINGLE(xname, xindex, reg, shift, mask, invert) \
1437 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1438   .info = snd_opti93x_info_single, \
1439   .get = snd_opti93x_get_single, .put = snd_opti93x_put_single, \
1440   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1441
1442 static int snd_opti93x_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1443 {
1444         int mask = (kcontrol->private_value >> 16) & 0xff;
1445
1446         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1447         uinfo->count = 1;
1448         uinfo->value.integer.min = 0;
1449         uinfo->value.integer.max = mask;
1450         return 0;
1451 }
1452
1453 static int snd_opti93x_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1454 {
1455         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1456         unsigned long flags;
1457         int reg = kcontrol->private_value & 0xff;
1458         int shift = (kcontrol->private_value >> 8) & 0xff;
1459         int mask = (kcontrol->private_value >> 16) & 0xff;
1460         int invert = (kcontrol->private_value >> 24) & 0xff;
1461         
1462         spin_lock_irqsave(&chip->lock, flags);
1463         ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
1464         spin_unlock_irqrestore(&chip->lock, flags);
1465         if (invert)
1466                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1467         return 0;
1468 }
1469
1470 static int snd_opti93x_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1471 {
1472         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1473         unsigned long flags;
1474         int reg = kcontrol->private_value & 0xff;
1475         int shift = (kcontrol->private_value >> 8) & 0xff;
1476         int mask = (kcontrol->private_value >> 16) & 0xff;
1477         int invert = (kcontrol->private_value >> 24) & 0xff;
1478         int change;
1479         unsigned short val;
1480         
1481         val = (ucontrol->value.integer.value[0] & mask);
1482         if (invert)
1483                 val = mask - val;
1484         val <<= shift;
1485         spin_lock_irqsave(&chip->lock, flags);
1486         val = (chip->image[reg] & ~(mask << shift)) | val;
1487         change = val != chip->image[reg];
1488         snd_opti93x_out(chip, reg, val);
1489         spin_unlock_irqrestore(&chip->lock, flags);
1490         return change;
1491 }
1492
1493 #endif /* single */
1494
1495 #define OPTi93X_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1496 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1497   .info = snd_opti93x_info_double, \
1498   .get = snd_opti93x_get_double, .put = snd_opti93x_put_double, \
1499   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1500
1501 #define OPTi93X_DOUBLE_INVERT_INVERT(xctl) \
1502         do { xctl.private_value ^= 22; } while (0)
1503 #define OPTi93X_DOUBLE_CHANGE_REGS(xctl, left_reg, right_reg) \
1504         do { xctl.private_value &= ~0x0000ffff; \
1505              xctl.private_value |= left_reg | (right_reg << 8); } while (0)
1506
1507 static int snd_opti93x_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1508 {
1509         int mask = (kcontrol->private_value >> 24) & 0xff;
1510
1511         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1512         uinfo->count = 2;
1513         uinfo->value.integer.min = 0;
1514         uinfo->value.integer.max = mask;
1515         return 0;
1516 }
1517
1518 static int snd_opti93x_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1519 {
1520         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1521         unsigned long flags;
1522         int left_reg = kcontrol->private_value & 0xff;
1523         int right_reg = (kcontrol->private_value >> 8) & 0xff;
1524         int shift_left = (kcontrol->private_value >> 16) & 0x07;
1525         int shift_right = (kcontrol->private_value >> 19) & 0x07;
1526         int mask = (kcontrol->private_value >> 24) & 0xff;
1527         int invert = (kcontrol->private_value >> 22) & 1;
1528         
1529         spin_lock_irqsave(&chip->lock, flags);
1530         ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
1531         ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask;
1532         spin_unlock_irqrestore(&chip->lock, flags);
1533         if (invert) {
1534                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1535                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1536         }
1537         return 0;
1538 }
1539
1540 static int snd_opti93x_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1541 {
1542         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1543         unsigned long flags;
1544         int left_reg = kcontrol->private_value & 0xff;
1545         int right_reg = (kcontrol->private_value >> 8) & 0xff;
1546         int shift_left = (kcontrol->private_value >> 16) & 0x07;
1547         int shift_right = (kcontrol->private_value >> 19) & 0x07;
1548         int mask = (kcontrol->private_value >> 24) & 0xff;
1549         int invert = (kcontrol->private_value >> 22) & 1;
1550         int change;
1551         unsigned short val1, val2;
1552         
1553         val1 = ucontrol->value.integer.value[0] & mask;
1554         val2 = ucontrol->value.integer.value[1] & mask;
1555         if (invert) {
1556                 val1 = mask - val1;
1557                 val2 = mask - val2;
1558         }
1559         val1 <<= shift_left;
1560         val2 <<= shift_right;
1561         spin_lock_irqsave(&chip->lock, flags);
1562         val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
1563         val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
1564         change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
1565         snd_opti93x_out_image(chip, left_reg, val1);
1566         snd_opti93x_out_image(chip, right_reg, val2);
1567         spin_unlock_irqrestore(&chip->lock, flags);
1568         return change;
1569 }
1570
1571 static struct snd_kcontrol_new snd_opti93x_controls[] __devinitdata = {
1572 OPTi93X_DOUBLE("Master Playback Switch", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
1573 OPTi93X_DOUBLE("Master Playback Volume", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1), 
1574 OPTi93X_DOUBLE("PCM Playback Switch", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 7, 7, 1, 1),
1575 OPTi93X_DOUBLE("PCM Playback Volume", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 0, 0, 31, 1),
1576 OPTi93X_DOUBLE("FM Playback Switch", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 7, 7, 1, 1),
1577 OPTi93X_DOUBLE("FM Playback Volume", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 1, 1, 15, 1),
1578 OPTi93X_DOUBLE("Line Playback Switch", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 7, 7, 1, 1),
1579 OPTi93X_DOUBLE("Line Playback Volume", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 1, 1, 15, 1), 
1580 OPTi93X_DOUBLE("Mic Playback Switch", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
1581 OPTi93X_DOUBLE("Mic Playback Volume", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1), 
1582 OPTi93X_DOUBLE("Mic Boost", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 5, 5, 1, 1),
1583 OPTi93X_DOUBLE("CD Playback Switch", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 7, 7, 1, 1),
1584 OPTi93X_DOUBLE("CD Playback Volume", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 1, 1, 15, 1),
1585 OPTi93X_DOUBLE("Aux Playback Switch", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
1586 OPTi93X_DOUBLE("Aux Playback Volume", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1), 
1587 OPTi93X_DOUBLE("Capture Volume", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 0, 0, 15, 0),
1588 {
1589         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1590         .name = "Capture Source",
1591         .info = snd_opti93x_info_mux,
1592         .get = snd_opti93x_get_mux,
1593         .put = snd_opti93x_put_mux,
1594 }
1595 };
1596                                         
1597 static int __devinit snd_opti93x_mixer(struct snd_opti93x *chip)
1598 {
1599         struct snd_card *card;
1600         struct snd_kcontrol_new knew;
1601         int err;
1602         unsigned int idx;
1603
1604         snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
1605
1606         card = chip->card;
1607
1608         strcpy(card->mixername, snd_opti93x_chip_id(chip));
1609
1610         for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
1611                 knew = snd_opti93x_controls[idx];
1612                 if (chip->hardware == OPTi9XX_HW_82C930) {
1613                         if (strstr(knew.name, "FM"))    /* skip FM controls */
1614                                 continue;
1615                         else if (strcmp(knew.name, "Mic Playback Volume"))
1616                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1617                         else if (strstr(knew.name, "Aux"))
1618                                 OPTi93X_DOUBLE_CHANGE_REGS(knew, OPTi930_AUX_LEFT_INPUT, OPTi930_AUX_RIGHT_INPUT);
1619                         else if (strcmp(knew.name, "PCM Playback Volume"))
1620                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1621                         else if (strcmp(knew.name, "Master Playback Volume"))
1622                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1623                 }
1624                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], chip))) < 0)
1625                         return err;
1626         }
1627         return 0;
1628 }
1629
1630 #endif /* OPTi93X */
1631
1632 static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
1633                                              struct snd_opti9xx *chip)
1634 {
1635         int i, err;
1636
1637 #ifndef OPTi93X
1638         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
1639                 unsigned char value;
1640
1641                 if ((err = snd_opti9xx_init(chip, i)) < 0)
1642                         return err;
1643
1644                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1645                         continue;
1646
1647                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
1648                 if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1649                         if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
1650                                 return 1;
1651
1652                 release_and_free_resource(chip->res_mc_base);
1653                 chip->res_mc_base = NULL;
1654
1655         }
1656 #else   /* OPTi93X */
1657         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
1658                 unsigned long flags;
1659                 unsigned char value;
1660
1661                 if ((err = snd_opti9xx_init(chip, i)) < 0)
1662                         return err;
1663
1664                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1665                         continue;
1666
1667                 spin_lock_irqsave(&chip->lock, flags);
1668                 outb(chip->password, chip->mc_base + chip->pwd_reg);
1669                 outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
1670                         ((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
1671                 spin_unlock_irqrestore(&chip->lock, flags);
1672
1673                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
1674                 snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
1675                 if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
1676                         return 1;
1677
1678                 release_and_free_resource(chip->res_mc_base);
1679                 chip->res_mc_base = NULL;
1680         }
1681 #endif  /* OPTi93X */
1682
1683         return -ENODEV;
1684 }
1685
1686 #ifdef CONFIG_PNP
1687 static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
1688                                           struct pnp_card_link *card,
1689                                           const struct pnp_card_device_id *pid)
1690 {
1691         struct pnp_dev *pdev;
1692         int err;
1693
1694         chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
1695         if (chip->dev == NULL)
1696                 return -EBUSY;
1697
1698         chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
1699
1700         pdev = chip->dev;
1701
1702         err = pnp_activate_dev(pdev);
1703         if (err < 0) {
1704                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
1705                 return err;
1706         }
1707
1708 #ifdef OPTi93X
1709         port = pnp_port_start(pdev, 0) - 4;
1710         fm_port = pnp_port_start(pdev, 1) + 8;
1711 #else
1712         if (pid->driver_data != 0x0924)
1713                 port = pnp_port_start(pdev, 1);
1714         fm_port = pnp_port_start(pdev, 2) + 8;
1715 #endif  /* OPTi93X */
1716         irq = pnp_irq(pdev, 0);
1717         dma1 = pnp_dma(pdev, 0);
1718 #if defined(CS4231) || defined(OPTi93X)
1719         dma2 = pnp_dma(pdev, 1);
1720 #endif  /* CS4231 || OPTi93X */
1721
1722         pdev = chip->devmpu;
1723         if (pdev && mpu_port > 0) {
1724                 err = pnp_activate_dev(pdev);
1725                 if (err < 0) {
1726                         snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
1727                         mpu_port = -1;
1728                         chip->devmpu = NULL;
1729                 } else {
1730                         mpu_port = pnp_port_start(pdev, 0);
1731                         mpu_irq = pnp_irq(pdev, 0);
1732                 }
1733         }
1734         return pid->driver_data;
1735 }
1736 #endif  /* CONFIG_PNP */
1737
1738 static void snd_card_opti9xx_free(struct snd_card *card)
1739 {
1740         struct snd_opti9xx *chip = card->private_data;
1741         
1742         if (chip)
1743                 release_and_free_resource(chip->res_mc_base);
1744 }
1745
1746 static int __devinit snd_opti9xx_probe(struct snd_card *card)
1747 {
1748         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1749         int error;
1750         struct snd_opti9xx *chip = card->private_data;
1751 #if defined(OPTi93X)
1752         struct snd_opti93x *codec;
1753 #elif defined(CS4231)
1754         struct snd_cs4231 *codec;
1755         struct snd_timer *timer;
1756 #else
1757         struct snd_ad1848 *codec;
1758 #endif
1759         struct snd_pcm *pcm;
1760         struct snd_rawmidi *rmidi;
1761         struct snd_hwdep *synth;
1762
1763         if (! chip->res_mc_base &&
1764             (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
1765                                                 "OPTi9xx MC")) == NULL)
1766                 return -ENOMEM;
1767
1768         chip->wss_base = port;
1769         chip->fm_port = fm_port;
1770         chip->mpu_port = mpu_port;
1771         chip->irq = irq;
1772         chip->mpu_irq = mpu_irq;
1773         chip->dma1 = dma1;
1774 #if defined(CS4231) || defined(OPTi93X)
1775         chip->dma2 = dma2;
1776 #endif
1777
1778         if (chip->wss_base == SNDRV_AUTO_PORT) {
1779                 if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1780                         snd_printk("unable to find a free WSS port\n");
1781                         return -EBUSY;
1782                 }
1783         }
1784         if ((error = snd_opti9xx_configure(chip)))
1785                 return error;
1786
1787 #if defined(OPTi93X)
1788         if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec)))
1789                 return error;
1790         if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0)
1791                 return error;
1792         if ((error = snd_opti93x_mixer(codec)) < 0)
1793                 return error;
1794 #elif defined(CS4231)
1795         if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1,
1796                                        chip->irq, chip->dma1, chip->dma2,
1797                                        CS4231_HW_DETECT,
1798                                        0,
1799                                        &codec)) < 0)
1800                 return error;
1801         if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0)
1802                 return error;
1803         if ((error = snd_cs4231_mixer(codec)) < 0)
1804                 return error;
1805         if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0)
1806                 return error;
1807 #else
1808         if ((error = snd_ad1848_create(card, chip->wss_base + 4,
1809                                        chip->irq, chip->dma1,
1810                                        AD1848_HW_DETECT, &codec)) < 0)
1811                 return error;
1812         if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0)
1813                 return error;
1814         if ((error = snd_ad1848_mixer(codec)) < 0)
1815                 return error;
1816 #endif
1817         strcpy(card->driver, chip->name);
1818         sprintf(card->shortname, "OPTi %s", card->driver);
1819 #if defined(CS4231) || defined(OPTi93X)
1820         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
1821                 card->shortname, pcm->name, chip->wss_base + 4,
1822                 chip->irq, chip->dma1, chip->dma2);
1823 #else
1824         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
1825                 card->shortname, pcm->name, chip->wss_base + 4,
1826                 chip->irq, chip->dma1);
1827 #endif  /* CS4231 || OPTi93X */
1828
1829         if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
1830                 rmidi = NULL;
1831         else
1832                 if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1833                                 chip->mpu_port, 0, chip->mpu_irq, IRQF_DISABLED,
1834                                 &rmidi)))
1835                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
1836                                    chip->mpu_port);
1837
1838         if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
1839                 struct snd_opl3 *opl3 = NULL;
1840 #ifndef OPTi93X
1841                 if (chip->hardware == OPTi9XX_HW_82C928 ||
1842                     chip->hardware == OPTi9XX_HW_82C929 ||
1843                     chip->hardware == OPTi9XX_HW_82C924) {
1844                         struct snd_opl4 *opl4;
1845                         /* assume we have an OPL4 */
1846                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1847                                                0x20, 0x20);
1848                         if (snd_opl4_create(card,
1849                                             chip->fm_port,
1850                                             chip->fm_port - 8,
1851                                             2, &opl3, &opl4) < 0) {
1852                                 /* no luck, use OPL3 instead */
1853                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1854                                                        0x00, 0x20);
1855                         }
1856                 }
1857 #endif  /* !OPTi93X */
1858                 if (!opl3 && snd_opl3_create(card,
1859                                              chip->fm_port,
1860                                              chip->fm_port + 2,
1861                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
1862                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
1863                                    chip->fm_port, chip->fm_port + 4 - 1);
1864                 }
1865                 if (opl3) {
1866 #ifdef CS4231
1867                         const int t1dev = 1;
1868 #else
1869                         const int t1dev = 0;
1870 #endif
1871                         if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
1872                                 return error;
1873                         if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
1874                                 return error;
1875                 }
1876         }
1877
1878         return snd_card_register(card);
1879 }
1880
1881 static struct snd_card *snd_opti9xx_card_new(void)
1882 {
1883         struct snd_card *card;
1884
1885         card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
1886         if (! card)
1887                 return NULL;
1888         card->private_free = snd_card_opti9xx_free;
1889         return card;
1890 }
1891
1892 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
1893                                            unsigned int dev)
1894 {
1895 #ifdef CONFIG_PNP
1896         if (snd_opti9xx_pnp_is_probed)
1897                 return 0;
1898         if (isapnp)
1899                 return 0;
1900 #endif
1901         return 1;
1902 }
1903
1904 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
1905                                            unsigned int dev)
1906 {
1907         struct snd_card *card;
1908         int error;
1909         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
1910 #ifdef OPTi93X
1911         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
1912 #else
1913         static int possible_irqs[] = {9, 10, 11, 7, -1};
1914 #endif  /* OPTi93X */
1915         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
1916         static int possible_dma1s[] = {3, 1, 0, -1};
1917 #if defined(CS4231) || defined(OPTi93X)
1918         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1919 #endif  /* CS4231 || OPTi93X */
1920
1921         if (mpu_port == SNDRV_AUTO_PORT) {
1922                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1923                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1924                         return -EBUSY;
1925                 }
1926         }
1927         if (irq == SNDRV_AUTO_IRQ) {
1928                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1929                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
1930                         return -EBUSY;
1931                 }
1932         }
1933         if (mpu_irq == SNDRV_AUTO_IRQ) {
1934                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1935                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1936                         return -EBUSY;
1937                 }
1938         }
1939         if (dma1 == SNDRV_AUTO_DMA) {
1940                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1941                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
1942                         return -EBUSY;
1943                 }
1944         }
1945 #if defined(CS4231) || defined(OPTi93X)
1946         if (dma2 == SNDRV_AUTO_DMA) {
1947                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1948                         snd_printk("unable to find a free DMA2\n");
1949                         return -EBUSY;
1950                 }
1951         }
1952 #endif
1953
1954         card = snd_opti9xx_card_new();
1955         if (! card)
1956                 return -ENOMEM;
1957
1958         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1959                 snd_card_free(card);
1960                 return error;
1961         }
1962         snd_card_set_dev(card, devptr);
1963         if ((error = snd_opti9xx_probe(card)) < 0) {
1964                 snd_card_free(card);
1965                 return error;
1966         }
1967         dev_set_drvdata(devptr, card);
1968         return 0;
1969 }
1970
1971 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
1972                                             unsigned int dev)
1973 {
1974         snd_card_free(dev_get_drvdata(devptr));
1975         dev_set_drvdata(devptr, NULL);
1976         return 0;
1977 }
1978
1979 static struct isa_driver snd_opti9xx_driver = {
1980         .match          = snd_opti9xx_isa_match,
1981         .probe          = snd_opti9xx_isa_probe,
1982         .remove         = __devexit_p(snd_opti9xx_isa_remove),
1983         /* FIXME: suspend/resume */
1984         .driver         = {
1985                 .name   = DEV_NAME
1986         },
1987 };
1988
1989 #ifdef CONFIG_PNP
1990 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1991                                            const struct pnp_card_device_id *pid)
1992 {
1993         struct snd_card *card;
1994         int error, hw;
1995         struct snd_opti9xx *chip;
1996
1997         if (snd_opti9xx_pnp_is_probed)
1998                 return -EBUSY;
1999         if (! isapnp)
2000                 return -ENODEV;
2001         card = snd_opti9xx_card_new();
2002         if (! card)
2003                 return -ENOMEM;
2004         chip = card->private_data;
2005
2006         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
2007         switch (hw) {
2008         case 0x0924:
2009                 hw = OPTi9XX_HW_82C924;
2010                 break;
2011         case 0x0925:
2012                 hw = OPTi9XX_HW_82C925;
2013                 break;
2014         case 0x0931:
2015                 hw = OPTi9XX_HW_82C931;
2016                 break;
2017         default:
2018                 snd_card_free(card);
2019                 return -ENODEV;
2020         }
2021
2022         if ((error = snd_opti9xx_init(chip, hw))) {
2023                 snd_card_free(card);
2024                 return error;
2025         }
2026         if (hw <= OPTi9XX_HW_82C930)
2027                 chip->mc_base -= 0x80;
2028         snd_card_set_dev(card, &pcard->card->dev);
2029         if ((error = snd_opti9xx_probe(card)) < 0) {
2030                 snd_card_free(card);
2031                 return error;
2032         }
2033         pnp_set_card_drvdata(pcard, card);
2034         snd_opti9xx_pnp_is_probed = 1;
2035         return 0;
2036 }
2037
2038 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
2039 {
2040         snd_card_free(pnp_get_card_drvdata(pcard));
2041         pnp_set_card_drvdata(pcard, NULL);
2042         snd_opti9xx_pnp_is_probed = 0;
2043 }
2044
2045 static struct pnp_card_driver opti9xx_pnpc_driver = {
2046         .flags          = PNP_DRIVER_RES_DISABLE,
2047         .name           = "opti9xx",
2048         .id_table       = snd_opti9xx_pnpids,
2049         .probe          = snd_opti9xx_pnp_probe,
2050         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
2051 };
2052 #endif
2053
2054 #ifdef OPTi93X
2055 #define CHIP_NAME       "82C93x"
2056 #else
2057 #define CHIP_NAME       "82C92x"
2058 #endif
2059
2060 static int __init alsa_card_opti9xx_init(void)
2061 {
2062 #ifdef CONFIG_PNP
2063         pnp_register_card_driver(&opti9xx_pnpc_driver);
2064         if (snd_opti9xx_pnp_is_probed)
2065                 return 0;
2066         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2067 #endif
2068         return isa_register_driver(&snd_opti9xx_driver, 1);
2069 }
2070
2071 static void __exit alsa_card_opti9xx_exit(void)
2072 {
2073         if (!snd_opti9xx_pnp_is_probed) {
2074                 isa_unregister_driver(&snd_opti9xx_driver);
2075                 return;
2076         }
2077 #ifdef CONFIG_PNP
2078         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2079 #endif
2080 }
2081
2082 module_init(alsa_card_opti9xx_init)
2083 module_exit(alsa_card_opti9xx_exit)