[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
[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 <sound/driver.h>
27 #include <asm/io.h>
28 #include <asm/dma.h>
29 #include <linux/delay.h>
30 #include <linux/init.h>
31 #include <linux/slab.h>
32 #include <linux/pnp.h>
33 #include <linux/moduleparam.h>
34 #include <sound/core.h>
35 #ifdef CS4231
36 #include <sound/cs4231.h>
37 #else
38 #ifndef OPTi93X
39 #include <sound/ad1848.h>
40 #else
41 #include <sound/control.h>
42 #include <sound/pcm.h>
43 #endif  /* OPTi93X */
44 #endif  /* CS4231 */
45 #include <sound/mpu401.h>
46 #include <sound/opl3.h>
47 #ifndef OPTi93X
48 #include <sound/opl4.h>
49 #endif
50 #define SNDRV_LEGACY_FIND_FREE_IRQ
51 #define SNDRV_LEGACY_FIND_FREE_DMA
52 #include <sound/initval.h>
53
54 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
55 MODULE_LICENSE("GPL");
56 #ifdef OPTi93X
57 MODULE_DESCRIPTION("OPTi93X");
58 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
59 #else   /* OPTi93X */
60 #ifdef CS4231
61 MODULE_DESCRIPTION("OPTi92X - CS4231");
62 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
63                 "{OPTi,82C925 (CS4231)}}");
64 #else   /* CS4231 */
65 MODULE_DESCRIPTION("OPTi92X - AD1848");
66 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
67                 "{OPTi,82C925 (AD1848)},"
68                 "{OAK,Mozart}}");
69 #endif  /* CS4231 */
70 #endif  /* OPTi93X */
71
72 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
73 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
74 //static int enable = SNDRV_DEFAULT_ENABLE1;    /* Enable this card */
75 static int isapnp = 1;                  /* Enable ISA PnP detection */
76 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
77 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
78 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
79 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
80 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
81 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
82 #if defined(CS4231) || defined(OPTi93X)
83 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
84 #endif  /* CS4231 || OPTi93X */
85
86 module_param(index, int, 0444);
87 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
88 module_param(id, charp, 0444);
89 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
90 //module_param(enable, bool, 0444);
91 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
92 module_param(isapnp, bool, 0444);
93 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
94 module_param(port, long, 0444);
95 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
96 module_param(mpu_port, long, 0444);
97 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
98 module_param(fm_port, long, 0444);
99 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
100 module_param(irq, int, 0444);
101 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
102 module_param(mpu_irq, int, 0444);
103 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
104 module_param(dma1, int, 0444);
105 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
106 #if defined(CS4231) || defined(OPTi93X)
107 module_param(dma2, int, 0444);
108 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
109 #endif  /* CS4231 || OPTi93X */
110
111 #define OPTi9XX_HW_DETECT       0
112 #define OPTi9XX_HW_82C928       1
113 #define OPTi9XX_HW_82C929       2
114 #define OPTi9XX_HW_82C924       3
115 #define OPTi9XX_HW_82C925       4
116 #define OPTi9XX_HW_82C930       5
117 #define OPTi9XX_HW_82C931       6
118 #define OPTi9XX_HW_82C933       7
119 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
120
121 #define OPTi9XX_MC_REG(n)       n
122
123 typedef struct _snd_opti9xx opti9xx_t;
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 typedef struct _snd_opti93x opti93x_t;
197
198 struct _snd_opti93x {
199         unsigned long port;
200         struct resource *res_port;
201         int irq;
202         int dma1;
203         int dma2;
204
205         opti9xx_t *chip;
206         unsigned short hardware;
207         unsigned char image[32];
208
209         unsigned char mce_bit;
210         unsigned short mode;
211         int mute;
212
213         spinlock_t lock;
214
215         snd_card_t *card;
216         snd_pcm_t *pcm;
217         snd_pcm_substream_t *playback_substream;
218         snd_pcm_substream_t *capture_substream;
219         unsigned int p_dma_size;
220         unsigned int c_dma_size;
221 };
222
223 #define OPTi93X_MODE_NONE       0x00
224 #define OPTi93X_MODE_PLAY       0x01
225 #define OPTi93X_MODE_CAPTURE    0x02
226 #define OPTi93X_MODE_OPEN       (OPTi93X_MODE_PLAY | OPTi93X_MODE_CAPTURE)
227
228 #endif /* OPTi93X */
229
230 struct _snd_opti9xx {
231         unsigned short hardware;
232         unsigned char password;
233         char name[7];
234
235         unsigned long mc_base;
236         struct resource *res_mc_base;
237         unsigned long mc_base_size;
238 #ifdef OPTi93X
239         unsigned long mc_indir_index;
240 #endif  /* OPTi93X */
241         unsigned long pwd_reg;
242
243         spinlock_t lock;
244
245         long wss_base;
246         int irq;
247         int dma1;
248 #if defined(CS4231) || defined(OPTi93X)
249         int dma2;
250 #endif  /* CS4231 || OPTi93X */
251
252         long fm_port;
253
254         long mpu_port;
255         int mpu_irq;
256
257 #ifdef CONFIG_PNP
258         struct pnp_dev *dev;
259         struct pnp_dev *devmpu;
260 #endif  /* CONFIG_PNP */
261 };
262
263 static int snd_opti9xx_first_hit = 1;
264 static snd_card_t *snd_opti9xx_legacy = SNDRV_DEFAULT_PTR1;
265
266 #ifdef CONFIG_PNP
267
268 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
269 #ifndef OPTi93X
270         /* OPTi 82C924 */
271         { .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
272         /* OPTi 82C925 */
273         { .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
274 #else
275         /* OPTi 82C931/3 */
276         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
277 #endif  /* OPTi93X */
278         { .id = "" }
279 };
280
281 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
282
283 #endif  /* CONFIG_PNP */
284
285 #ifdef OPTi93X
286 #define DRIVER_NAME     "snd-card-opti93x"
287 #else
288 #define DRIVER_NAME     "snd-card-opti92x"
289 #endif  /* OPTi93X */
290
291 static char * snd_opti9xx_names[] = {
292         "unkown",
293         "82C928",       "82C929",
294         "82C924",       "82C925",
295         "82C930",       "82C931",       "82C933"
296 };
297
298
299 static long snd_legacy_find_free_ioport(long *port_table, long size)
300 {
301         while (*port_table != -1) {
302                 struct resource *res;
303                 if ((res = request_region(*port_table, size, "ALSA test")) != NULL) {
304                         release_resource(res);
305                         kfree_nocheck(res);
306                         return *port_table;
307                 }
308                 port_table++;
309         }
310         return -1;
311 }
312
313 static int __devinit snd_opti9xx_init(opti9xx_t *chip, unsigned short hardware)
314 {
315         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
316
317         chip->hardware = hardware;
318         strcpy(chip->name, snd_opti9xx_names[hardware]);
319
320         chip->mc_base_size = opti9xx_mc_size[hardware];  
321
322         spin_lock_init(&chip->lock);
323
324         chip->wss_base = -1;
325         chip->irq = -1;
326         chip->dma1 = -1;
327 #if defined(CS4231) || defined (OPTi93X)
328         chip->dma2 = -1;
329 #endif  /* CS4231 || OPTi93X */
330         chip->fm_port = -1;
331         chip->mpu_port = -1;
332         chip->mpu_irq = -1;
333
334         switch (hardware) {
335 #ifndef OPTi93X
336         case OPTi9XX_HW_82C928:
337         case OPTi9XX_HW_82C929:
338                 chip->mc_base = 0xf8c;
339                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
340                 chip->pwd_reg = 3;
341                 break;
342
343         case OPTi9XX_HW_82C924:
344         case OPTi9XX_HW_82C925:
345                 chip->mc_base = 0xf8c;
346                 chip->password = 0xe5;
347                 chip->pwd_reg = 3;
348                 break;
349 #else   /* OPTi93X */
350
351         case OPTi9XX_HW_82C930:
352         case OPTi9XX_HW_82C931:
353         case OPTi9XX_HW_82C933:
354                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
355                 chip->mc_indir_index = 0xe0e;
356                 chip->password = 0xe4;
357                 chip->pwd_reg = 0;
358                 break;
359 #endif  /* OPTi93X */
360
361         default:
362                 snd_printk("chip %d not supported\n", hardware);
363                 return -ENODEV;
364         }
365         return 0;
366 }
367
368 static unsigned char snd_opti9xx_read(opti9xx_t *chip,
369                                       unsigned char reg)
370 {
371         unsigned long flags;
372         unsigned char retval = 0xff;
373
374         spin_lock_irqsave(&chip->lock, flags);
375         outb(chip->password, chip->mc_base + chip->pwd_reg);
376
377         switch (chip->hardware) {
378 #ifndef OPTi93X
379         case OPTi9XX_HW_82C924:
380         case OPTi9XX_HW_82C925:
381                 if (reg > 7) {
382                         outb(reg, chip->mc_base + 8);
383                         outb(chip->password, chip->mc_base + chip->pwd_reg);
384                         retval = inb(chip->mc_base + 9);
385                         break;
386                 }
387
388         case OPTi9XX_HW_82C928:
389         case OPTi9XX_HW_82C929:
390                 retval = inb(chip->mc_base + reg);
391                 break;
392 #else   /* OPTi93X */
393
394         case OPTi9XX_HW_82C930:
395         case OPTi9XX_HW_82C931:
396         case OPTi9XX_HW_82C933:
397                 outb(reg, chip->mc_indir_index);
398                 outb(chip->password, chip->mc_base + chip->pwd_reg);
399                 retval = inb(chip->mc_indir_index + 1);
400                 break;
401 #endif  /* OPTi93X */
402
403         default:
404                 snd_printk("chip %d not supported\n", chip->hardware);
405         }
406
407         spin_unlock_irqrestore(&chip->lock, flags);
408         return retval;
409 }
410         
411 static void snd_opti9xx_write(opti9xx_t *chip, unsigned char reg,
412                               unsigned char value)
413 {
414         unsigned long flags;
415
416         spin_lock_irqsave(&chip->lock, flags);
417         outb(chip->password, chip->mc_base + chip->pwd_reg);
418
419         switch (chip->hardware) {
420 #ifndef OPTi93X
421         case OPTi9XX_HW_82C924:
422         case OPTi9XX_HW_82C925:
423                 if (reg > 7) {
424                         outb(reg, chip->mc_base + 8);
425                         outb(chip->password, chip->mc_base + chip->pwd_reg);
426                         outb(value, chip->mc_base + 9);
427                         break;
428                 }
429
430         case OPTi9XX_HW_82C928:
431         case OPTi9XX_HW_82C929:
432                 outb(value, chip->mc_base + reg);
433                 break;
434 #else   /* OPTi93X */
435
436         case OPTi9XX_HW_82C930:
437         case OPTi9XX_HW_82C931:
438         case OPTi9XX_HW_82C933:
439                 outb(reg, chip->mc_indir_index);
440                 outb(chip->password, chip->mc_base + chip->pwd_reg);
441                 outb(value, chip->mc_indir_index + 1);
442                 break;
443 #endif  /* OPTi93X */
444
445         default:
446                 snd_printk("chip %d not supported\n", chip->hardware);
447         }
448
449         spin_unlock_irqrestore(&chip->lock, flags);
450 }
451
452
453 #define snd_opti9xx_write_mask(chip, reg, value, mask)  \
454         snd_opti9xx_write(chip, reg,                    \
455                 (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
456
457
458 static int __devinit snd_opti9xx_configure(opti9xx_t *chip)
459 {
460         unsigned char wss_base_bits;
461         unsigned char irq_bits;
462         unsigned char dma_bits;
463         unsigned char mpu_port_bits = 0;
464         unsigned char mpu_irq_bits;
465
466         switch (chip->hardware) {
467 #ifndef OPTi93X
468         case OPTi9XX_HW_82C924:
469                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
470                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
471
472         case OPTi9XX_HW_82C925:
473                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
474                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
475                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
476 #ifdef CS4231
477                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
478 #else
479                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
480 #endif  /* CS4231 */
481                 break;
482
483         case OPTi9XX_HW_82C928:
484         case OPTi9XX_HW_82C929:
485                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
486                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
487                 /*
488                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
489                 */
490                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
491 #ifdef CS4231
492                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
493 #else
494                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
495 #endif  /* CS4231 */
496                 break;
497
498 #else   /* OPTi93X */
499         case OPTi9XX_HW_82C930:
500         case OPTi9XX_HW_82C931:
501         case OPTi9XX_HW_82C933:
502                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
503                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
504                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
505                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
506                         0x34);
507                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
508                 break;
509 #endif  /* OPTi93X */
510
511         default:
512                 snd_printk("chip %d not supported\n", chip->hardware);
513                 return -EINVAL;
514         }
515
516         switch (chip->wss_base) {
517         case 0x530:
518                 wss_base_bits = 0x00;
519                 break;
520         case 0x604:
521                 wss_base_bits = 0x03;
522                 break;
523         case 0xe80:
524                 wss_base_bits = 0x01;
525                 break;
526         case 0xf40:
527                 wss_base_bits = 0x02;
528                 break;
529         default:
530                 snd_printk("WSS port 0x%lx not valid\n", chip->wss_base);
531                 goto __skip_base;
532         }
533         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
534
535 __skip_base:
536         switch (chip->irq) {
537 //#ifdef OPTi93X
538         case 5:
539                 irq_bits = 0x05;
540                 break;
541 //#endif        /* OPTi93X */
542         case 7:
543                 irq_bits = 0x01;
544                 break;
545         case 9:
546                 irq_bits = 0x02;
547                 break;
548         case 10:
549                 irq_bits = 0x03;
550                 break;
551         case 11:
552                 irq_bits = 0x04;
553                 break;
554         default:
555                 snd_printk("WSS irq # %d not valid\n", chip->irq);
556                 goto __skip_resources;
557         }
558
559         switch (chip->dma1) {
560         case 0:
561                 dma_bits = 0x01;
562                 break;
563         case 1:
564                 dma_bits = 0x02;
565                 break;
566         case 3:
567                 dma_bits = 0x03;
568                 break;
569         default:
570                 snd_printk("WSS dma1 # %d not valid\n", chip->dma1);
571                 goto __skip_resources;
572         }
573
574 #if defined(CS4231) || defined(OPTi93X)
575         if (chip->dma1 == chip->dma2) {
576                 snd_printk("don't want to share dmas\n");
577                 return -EBUSY;
578         }
579
580         switch (chip->dma2) {
581         case 0:
582         case 1:
583                 break;
584         default:
585                 snd_printk("WSS dma2 # %d not valid\n", chip->dma2);
586                 goto __skip_resources;
587         }
588         dma_bits |= 0x04;
589 #endif  /* CS4231 || OPTi93X */
590
591 #ifndef OPTi93X
592          outb(irq_bits << 3 | dma_bits, chip->wss_base);
593 #else /* OPTi93X */
594         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
595 #endif /* OPTi93X */
596
597 __skip_resources:
598         if (chip->hardware > OPTi9XX_HW_82C928) {
599                 switch (chip->mpu_port) {
600                 case 0:
601                 case -1:
602                         break;
603                 case 0x300:
604                         mpu_port_bits = 0x03;
605                         break;
606                 case 0x310:
607                         mpu_port_bits = 0x02;
608                         break;
609                 case 0x320:
610                         mpu_port_bits = 0x01;
611                         break;
612                 case 0x330:
613                         mpu_port_bits = 0x00;
614                         break;
615                 default:
616                         snd_printk("MPU-401 port 0x%lx not valid\n",
617                                 chip->mpu_port);
618                         goto __skip_mpu;
619                 }
620
621                 switch (chip->mpu_irq) {
622                 case 5:
623                         mpu_irq_bits = 0x02;
624                         break;
625                 case 7:
626                         mpu_irq_bits = 0x03;
627                         break;
628                 case 9:
629                         mpu_irq_bits = 0x00;
630                         break;
631                 case 10:
632                         mpu_irq_bits = 0x01;
633                         break;
634                 default:
635                         snd_printk("MPU-401 irq # %d not valid\n",
636                                 chip->mpu_irq);
637                         goto __skip_mpu;
638                 }
639
640                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
641                         (chip->mpu_port <= 0) ? 0x00 :
642                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
643                         0xf8);
644         }
645 __skip_mpu:
646
647         return 0;
648 }
649
650 #ifdef OPTi93X
651
652 static unsigned char snd_opti93x_default_image[32] =
653 {
654         0x00,           /* 00/00 - l_mixout_outctrl */
655         0x00,           /* 01/01 - r_mixout_outctrl */
656         0x88,           /* 02/02 - l_cd_inctrl */
657         0x88,           /* 03/03 - r_cd_inctrl */
658         0x88,           /* 04/04 - l_a1/fm_inctrl */
659         0x88,           /* 05/05 - r_a1/fm_inctrl */
660         0x80,           /* 06/06 - l_dac_inctrl */
661         0x80,           /* 07/07 - r_dac_inctrl */
662         0x00,           /* 08/08 - ply_dataform_reg */
663         0x00,           /* 09/09 - if_conf */
664         0x00,           /* 0a/10 - pin_ctrl */
665         0x00,           /* 0b/11 - err_init_reg */
666         0x0a,           /* 0c/12 - id_reg */
667         0x00,           /* 0d/13 - reserved */
668         0x00,           /* 0e/14 - ply_upcount_reg */
669         0x00,           /* 0f/15 - ply_lowcount_reg */
670         0x88,           /* 10/16 - reserved/l_a1_inctrl */
671         0x88,           /* 11/17 - reserved/r_a1_inctrl */
672         0x88,           /* 12/18 - l_line_inctrl */
673         0x88,           /* 13/19 - r_line_inctrl */
674         0x88,           /* 14/20 - l_mic_inctrl */
675         0x88,           /* 15/21 - r_mic_inctrl */
676         0x80,           /* 16/22 - l_out_outctrl */
677         0x80,           /* 17/23 - r_out_outctrl */
678         0x00,           /* 18/24 - reserved */
679         0x00,           /* 19/25 - reserved */
680         0x00,           /* 1a/26 - reserved */
681         0x00,           /* 1b/27 - reserved */
682         0x00,           /* 1c/28 - cap_dataform_reg */
683         0x00,           /* 1d/29 - reserved */
684         0x00,           /* 1e/30 - cap_upcount_reg */
685         0x00            /* 1f/31 - cap_lowcount_reg */
686 };
687
688
689 static int snd_opti93x_busy_wait(opti93x_t *chip)
690 {
691         int timeout;
692
693         for (timeout = 250; timeout-- > 0; udelay(10))
694                 if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_INIT))
695                         return 0;
696
697         snd_printk("chip still busy.\n");
698         return -EBUSY;
699 }
700
701 static unsigned char snd_opti93x_in(opti93x_t *chip, unsigned char reg)
702 {
703         snd_opti93x_busy_wait(chip);
704         outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
705         return inb(OPTi93X_PORT(chip, DATA));
706 }
707
708 static void snd_opti93x_out(opti93x_t *chip, unsigned char reg,
709                             unsigned char value)
710 {
711         snd_opti93x_busy_wait(chip);
712         outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
713         outb(value, OPTi93X_PORT(chip, DATA));
714 }
715
716 static void snd_opti93x_out_image(opti93x_t *chip, unsigned char reg,
717                                   unsigned char value)
718 {
719         snd_opti93x_out(chip, reg, chip->image[reg] = value);
720 }
721
722 static void snd_opti93x_out_mask(opti93x_t *chip, unsigned char reg,
723                                  unsigned char mask, unsigned char value)
724 {
725         snd_opti93x_out_image(chip, reg,
726                 (chip->image[reg] & ~mask) | (value & mask));
727 }
728
729
730 static void snd_opti93x_mce_up(opti93x_t *chip)
731 {
732         snd_opti93x_busy_wait(chip);
733
734         chip->mce_bit = OPTi93X_MCE;
735         if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE))
736                 outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
737 }
738
739 static void snd_opti93x_mce_down(opti93x_t *chip)
740 {
741         snd_opti93x_busy_wait(chip);
742
743         chip->mce_bit = 0;
744         if (inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE)
745                 outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
746 }
747
748 #define snd_opti93x_mute_reg(chip, reg, mute)   \
749         snd_opti93x_out(chip, reg, mute ? 0x80 : chip->image[reg]);
750
751 static void snd_opti93x_mute(opti93x_t *chip, int mute)
752 {
753         mute = mute ? 1 : 0;
754         if (chip->mute == mute)
755                 return;
756
757         chip->mute = mute;
758
759         snd_opti93x_mute_reg(chip, OPTi93X_CD_LEFT_INPUT, mute);
760         snd_opti93x_mute_reg(chip, OPTi93X_CD_RIGHT_INPUT, mute);
761         switch (chip->hardware) {
762         case OPTi9XX_HW_82C930:
763                 snd_opti93x_mute_reg(chip, OPTi930_AUX_LEFT_INPUT, mute);
764                 snd_opti93x_mute_reg(chip, OPTi930_AUX_RIGHT_INPUT, mute);
765                 break;
766         case OPTi9XX_HW_82C931:
767         case OPTi9XX_HW_82C933:
768                 snd_opti93x_mute_reg(chip, OPTi931_FM_LEFT_INPUT, mute);
769                 snd_opti93x_mute_reg(chip, OPTi931_FM_RIGHT_INPUT, mute);
770                 snd_opti93x_mute_reg(chip, OPTi931_AUX_LEFT_INPUT, mute);
771                 snd_opti93x_mute_reg(chip, OPTi931_AUX_RIGHT_INPUT, mute);
772         }
773         snd_opti93x_mute_reg(chip, OPTi93X_DAC_LEFT, mute);
774         snd_opti93x_mute_reg(chip, OPTi93X_DAC_RIGHT, mute);
775         snd_opti93x_mute_reg(chip, OPTi93X_LINE_LEFT_INPUT, mute);
776         snd_opti93x_mute_reg(chip, OPTi93X_LINE_RIGHT_INPUT, mute);
777         snd_opti93x_mute_reg(chip, OPTi93X_MIC_LEFT_INPUT, mute);
778         snd_opti93x_mute_reg(chip, OPTi93X_MIC_RIGHT_INPUT, mute);
779         snd_opti93x_mute_reg(chip, OPTi93X_OUT_LEFT, mute);
780         snd_opti93x_mute_reg(chip, OPTi93X_OUT_RIGHT, mute);
781 }
782
783
784 static unsigned int snd_opti93x_get_count(unsigned char format,
785                                           unsigned int size)
786 {
787         switch (format & 0xe0) {
788         case OPTi93X_LINEAR_16_LIT:
789         case OPTi93X_LINEAR_16_BIG:
790                 size >>= 1;
791                 break;
792         case OPTi93X_ADPCM_16:
793                 return size >> 2;
794         }
795         return (format & OPTi93X_STEREO) ? (size >> 1) : size;
796 }
797
798 static unsigned int rates[] = {  5512,  6615,  8000,  9600, 11025, 16000, 
799                                 18900, 22050, 27428, 32000, 33075, 37800,
800                                 44100, 48000 };
801 #define RATES ARRAY_SIZE(rates)
802
803 static snd_pcm_hw_constraint_list_t hw_constraints_rates = {
804         .count = RATES,
805         .list = rates,
806         .mask = 0,
807 };
808
809 static unsigned char bits[] = {  0x01,  0x0f,  0x00,  0x0e,  0x03,  0x02,
810                                  0x05,  0x07,  0x04,  0x06,  0x0d,  0x09,
811                                  0x0b,  0x0c};
812
813 static unsigned char snd_opti93x_get_freq(unsigned int rate)
814 {
815         unsigned int i;
816
817         for (i = 0; i < RATES; i++) {
818                 if (rate == rates[i])
819                         return bits[i];
820         }
821         snd_BUG();
822         return bits[RATES-1];
823 }
824
825 static unsigned char snd_opti93x_get_format(opti93x_t *chip,
826                                             unsigned int format, int channels)
827 {
828         unsigned char retval = OPTi93X_LINEAR_8;
829
830         switch (format) {
831         case SNDRV_PCM_FORMAT_MU_LAW:
832                 retval = OPTi93X_ULAW_8;
833                 break;
834         case SNDRV_PCM_FORMAT_A_LAW:
835                 retval = OPTi93X_ALAW_8;
836                 break;
837         case SNDRV_PCM_FORMAT_S16_LE:
838                 retval = OPTi93X_LINEAR_16_LIT;
839                 break;
840         case SNDRV_PCM_FORMAT_S16_BE:
841                 retval = OPTi93X_LINEAR_16_BIG;
842                 break;
843         case SNDRV_PCM_FORMAT_IMA_ADPCM:
844                 retval = OPTi93X_ADPCM_16;
845         }
846         return (channels > 1) ? (retval | OPTi93X_STEREO) : retval;
847 }
848
849
850 static void snd_opti93x_playback_format(opti93x_t *chip, unsigned char fmt)
851 {
852         unsigned char mask;
853
854         snd_opti93x_mute(chip, 1);
855
856         snd_opti93x_mce_up(chip);
857         mask = (chip->mode & OPTi93X_MODE_CAPTURE) ? 0xf0 : 0xff;
858         snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, mask, fmt);
859         snd_opti93x_mce_down(chip);
860
861         snd_opti93x_mute(chip, 0);
862 }
863
864 static void snd_opti93x_capture_format(opti93x_t *chip, unsigned char fmt)
865 {
866         snd_opti93x_mute(chip, 1);
867
868         snd_opti93x_mce_up(chip);
869         if (!(chip->mode & OPTi93X_MODE_PLAY))
870                 snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, 0x0f, fmt);
871         else
872                 fmt = chip->image[OPTi93X_PLAY_FORMAT] & 0xf0;
873         snd_opti93x_out_image(chip, OPTi93X_CAPT_FORMAT, fmt);
874         snd_opti93x_mce_down(chip);
875
876         snd_opti93x_mute(chip, 0);
877 }
878
879
880 static int snd_opti93x_open(opti93x_t *chip, unsigned int mode)
881 {
882         unsigned long flags;
883
884         spin_lock_irqsave(&chip->lock, flags);
885
886         if (chip->mode & mode) {
887                 spin_unlock_irqrestore(&chip->lock, flags);
888                 return -EAGAIN;
889         }
890
891         if (!(chip->mode & OPTi93X_MODE_OPEN)) {
892                 outb(0x00, OPTi93X_PORT(chip, STATUS));
893                 snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL,
894                         OPTi93X_IRQ_ENABLE, OPTi93X_IRQ_ENABLE);
895                 chip->mode = mode;
896         }
897         else
898                 chip->mode |= mode;
899
900         spin_unlock_irqrestore(&chip->lock, flags);
901         return 0;
902 }
903
904 static void snd_opti93x_close(opti93x_t *chip, unsigned int mode)
905 {
906         unsigned long flags;
907
908         spin_lock_irqsave(&chip->lock, flags);
909
910         chip->mode &= ~mode;
911         if (chip->mode & OPTi93X_MODE_OPEN) {
912                 spin_unlock_irqrestore(&chip->lock, flags);
913                 return;
914         }
915
916         snd_opti93x_mute(chip, 1);
917
918         outb(0, OPTi93X_PORT(chip, STATUS));
919         snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL, OPTi93X_IRQ_ENABLE,
920                 ~OPTi93X_IRQ_ENABLE);
921
922         snd_opti93x_mce_up(chip);
923         snd_opti93x_out_image(chip, OPTi93X_IFACE_CONF, 0x00);
924         snd_opti93x_mce_down(chip);
925         chip->mode = 0;
926
927         snd_opti93x_mute(chip, 0);
928         spin_unlock_irqrestore(&chip->lock, flags);
929 }
930
931 static int snd_opti93x_trigger(snd_pcm_substream_t *substream, 
932                                unsigned char what, int cmd)
933 {
934         opti93x_t *chip = snd_pcm_substream_chip(substream);
935
936         switch (cmd) {
937         case SNDRV_PCM_TRIGGER_START:
938         case SNDRV_PCM_TRIGGER_STOP:
939         {
940                 unsigned int what = 0;
941                 struct list_head *pos;
942                 snd_pcm_substream_t *s;
943                 snd_pcm_group_for_each(pos, substream) {
944                         s = snd_pcm_group_substream_entry(pos);
945                         if (s == chip->playback_substream) {
946                                 what |= OPTi93X_PLAYBACK_ENABLE;
947                                 snd_pcm_trigger_done(s, substream);
948                         } else if (s == chip->capture_substream) {
949                                 what |= OPTi93X_CAPTURE_ENABLE;
950                                 snd_pcm_trigger_done(s, substream);
951                         }
952                 }
953                 spin_lock(&chip->lock);
954                 if (cmd == SNDRV_PCM_TRIGGER_START) {
955                         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, what);
956                         if (what & OPTi93X_CAPTURE_ENABLE)
957                                 udelay(50);
958                 } else
959                         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, 0x00);
960                 spin_unlock(&chip->lock);
961                 break;
962         }
963         default:
964                 return -EINVAL;
965         }
966         return 0;
967 }
968
969 static int snd_opti93x_playback_trigger(snd_pcm_substream_t *substream, int cmd)
970 {
971         return snd_opti93x_trigger(substream,
972                                    OPTi93X_PLAYBACK_ENABLE, cmd);
973 }
974
975 static int snd_opti93x_capture_trigger(snd_pcm_substream_t * substream, int cmd)
976 {
977         return snd_opti93x_trigger(substream,
978                                    OPTi93X_CAPTURE_ENABLE, cmd);
979 }
980
981 static int snd_opti93x_hw_params(snd_pcm_substream_t * substream,
982                                  snd_pcm_hw_params_t * hw_params)
983 {
984         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
985 }
986
987
988 static int snd_opti93x_hw_free(snd_pcm_substream_t * substream)
989 {
990         snd_pcm_lib_free_pages(substream);
991         return 0;
992 }
993
994
995 static int snd_opti93x_playback_prepare(snd_pcm_substream_t * substream)
996 {
997         opti93x_t *chip = snd_pcm_substream_chip(substream);
998         snd_pcm_runtime_t *runtime = substream->runtime;
999         unsigned long flags;
1000         unsigned char format;
1001         unsigned int count = snd_pcm_lib_period_bytes(substream);
1002         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1003
1004         spin_lock_irqsave(&chip->lock, flags);
1005
1006         chip->p_dma_size = size;
1007         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1008                 OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO,
1009                 ~(OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO));
1010
1011         snd_dma_program(chip->dma1, runtime->dma_addr, size,
1012                 DMA_MODE_WRITE | DMA_AUTOINIT);
1013
1014         format = snd_opti93x_get_freq(runtime->rate);
1015         format |= snd_opti93x_get_format(chip, runtime->format,
1016                 runtime->channels);
1017         snd_opti93x_playback_format(chip, format);
1018         format = chip->image[OPTi93X_PLAY_FORMAT];
1019
1020         count = snd_opti93x_get_count(format, count) - 1;
1021         snd_opti93x_out_image(chip, OPTi93X_PLAY_LWR_CNT, count);
1022         snd_opti93x_out_image(chip, OPTi93X_PLAY_UPR_CNT, count >> 8);
1023
1024         spin_unlock_irqrestore(&chip->lock, flags);
1025         return 0;
1026 }
1027
1028 static int snd_opti93x_capture_prepare(snd_pcm_substream_t *substream)
1029 {
1030         opti93x_t *chip = snd_pcm_substream_chip(substream);
1031         snd_pcm_runtime_t *runtime = substream->runtime;
1032         unsigned long flags;
1033         unsigned char format;
1034         unsigned int count = snd_pcm_lib_period_bytes(substream);
1035         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1036
1037         spin_lock_irqsave(&chip->lock, flags);
1038
1039         chip->c_dma_size = size;
1040         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1041                 OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO, 0);
1042
1043         snd_dma_program(chip->dma2, runtime->dma_addr, size,
1044                 DMA_MODE_READ | DMA_AUTOINIT);
1045
1046         format = snd_opti93x_get_freq(runtime->rate);
1047         format |= snd_opti93x_get_format(chip, runtime->format,
1048                 runtime->channels);
1049         snd_opti93x_capture_format(chip, format);
1050         format = chip->image[OPTi93X_CAPT_FORMAT];
1051
1052         count = snd_opti93x_get_count(format, count) - 1;
1053         snd_opti93x_out_image(chip, OPTi93X_CAPT_LWR_CNT, count);
1054         snd_opti93x_out_image(chip, OPTi93X_CAPT_UPR_CNT, count >> 8);
1055
1056         spin_unlock_irqrestore(&chip->lock, flags);
1057         return 0;
1058 }
1059
1060 static snd_pcm_uframes_t snd_opti93x_playback_pointer(snd_pcm_substream_t *substream)
1061 {
1062         opti93x_t *chip = snd_pcm_substream_chip(substream);
1063         size_t ptr;
1064
1065         if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_PLAYBACK_ENABLE))
1066                 return 0;
1067
1068         ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
1069         return bytes_to_frames(substream->runtime, ptr);
1070 }
1071
1072 static snd_pcm_uframes_t snd_opti93x_capture_pointer(snd_pcm_substream_t *substream)
1073 {
1074         opti93x_t *chip = snd_pcm_substream_chip(substream);
1075         size_t ptr;
1076         
1077         if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_CAPTURE_ENABLE))
1078                 return 0;
1079
1080         ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
1081         return bytes_to_frames(substream->runtime, ptr);
1082 }
1083
1084
1085 static void snd_opti93x_overrange(opti93x_t *chip)
1086 {
1087         unsigned long flags;
1088
1089         spin_lock_irqsave(&chip->lock, flags);
1090
1091         if (snd_opti93x_in(chip, OPTi93X_ERR_INIT) & (0x08 | 0x02))
1092                 chip->capture_substream->runtime->overrange++;
1093
1094         spin_unlock_irqrestore(&chip->lock, flags);
1095 }
1096
1097 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1098 {
1099         opti93x_t *codec = dev_id;
1100         unsigned char status;
1101
1102         status = snd_opti9xx_read(codec->chip, OPTi9XX_MC_REG(11));
1103         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
1104                 snd_pcm_period_elapsed(codec->playback_substream);
1105         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
1106                 snd_opti93x_overrange(codec);
1107                 snd_pcm_period_elapsed(codec->capture_substream);
1108         }
1109         outb(0x00, OPTi93X_PORT(codec, STATUS));
1110         return IRQ_HANDLED;
1111 }
1112
1113
1114 static snd_pcm_hardware_t snd_opti93x_playback = {
1115         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1116                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1117         .formats =              (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1118                                  SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1119         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1120         .rate_min =             5512,
1121         .rate_max =             48000,
1122         .channels_min =         1,
1123         .channels_max =         2,
1124         .buffer_bytes_max =     (128*1024),
1125         .period_bytes_min =     64,
1126         .period_bytes_max =     (128*1024),
1127         .periods_min =          1,
1128         .periods_max =          1024,
1129         .fifo_size =            0,
1130 };
1131
1132 static snd_pcm_hardware_t snd_opti93x_capture = {
1133         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1134                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1135         .formats =              (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1136                                  SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1137         .rates =                SNDRV_PCM_RATE_8000_48000,
1138         .rate_min =             5512,
1139         .rate_max =             48000,
1140         .channels_min =         1,
1141         .channels_max =         2,
1142         .buffer_bytes_max =     (128*1024),
1143         .period_bytes_min =     64,
1144         .period_bytes_max =     (128*1024),
1145         .periods_min =          1,
1146         .periods_max =          1024,
1147         .fifo_size =            0,
1148 };
1149
1150 static int snd_opti93x_playback_open(snd_pcm_substream_t *substream)
1151 {
1152         int error;
1153         opti93x_t *chip = snd_pcm_substream_chip(substream);
1154         snd_pcm_runtime_t *runtime = substream->runtime;
1155
1156         if ((error = snd_opti93x_open(chip, OPTi93X_MODE_PLAY)) < 0)
1157                 return error;
1158         snd_pcm_set_sync(substream);
1159         chip->playback_substream = substream;
1160         runtime->hw = snd_opti93x_playback;
1161         snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
1162         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1163         return error;
1164 }
1165
1166 static int snd_opti93x_capture_open(snd_pcm_substream_t *substream)
1167 {
1168         int error;
1169         opti93x_t *chip = snd_pcm_substream_chip(substream);
1170         snd_pcm_runtime_t *runtime = substream->runtime;
1171
1172         if ((error = snd_opti93x_open(chip, OPTi93X_MODE_CAPTURE)) < 0)
1173                 return error;
1174         runtime->hw = snd_opti93x_capture;
1175         snd_pcm_set_sync(substream);
1176         chip->capture_substream = substream;
1177         snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
1178         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1179         return error;
1180 }
1181
1182 static int snd_opti93x_playback_close(snd_pcm_substream_t *substream)
1183 {
1184         opti93x_t *chip = snd_pcm_substream_chip(substream);
1185
1186         chip->playback_substream = NULL;
1187         snd_opti93x_close(chip, OPTi93X_MODE_PLAY);
1188         return 0;
1189 }
1190
1191 static int snd_opti93x_capture_close(snd_pcm_substream_t *substream)
1192 {
1193         opti93x_t *chip = snd_pcm_substream_chip(substream);
1194
1195         chip->capture_substream = NULL;
1196         snd_opti93x_close(chip, OPTi93X_MODE_CAPTURE);
1197         return 0;
1198 }
1199
1200
1201 static void snd_opti93x_init(opti93x_t *chip)
1202 {
1203         unsigned long flags;
1204         int i;
1205
1206         spin_lock_irqsave(&chip->lock, flags);
1207         snd_opti93x_mce_up(chip);
1208
1209         for (i = 0; i < 32; i++)
1210                 snd_opti93x_out_image(chip, i, snd_opti93x_default_image[i]);
1211
1212         snd_opti93x_mce_down(chip);
1213         spin_unlock_irqrestore(&chip->lock, flags);
1214 }
1215
1216 static int snd_opti93x_probe(opti93x_t *chip)
1217 {
1218         unsigned long flags;
1219         unsigned char val;
1220
1221         spin_lock_irqsave(&chip->lock, flags);
1222         val = snd_opti93x_in(chip, OPTi93X_ID) & 0x0f;
1223         spin_unlock_irqrestore(&chip->lock, flags);
1224
1225         return (val == 0x0a) ? 0 : -ENODEV;
1226 }
1227
1228 static int snd_opti93x_free(opti93x_t *chip)
1229 {
1230         if (chip->res_port) {
1231                 release_resource(chip->res_port);
1232                 kfree_nocheck(chip->res_port);
1233         }
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(snd_device_t *device)
1250 {
1251         opti93x_t *chip = device->device_data;
1252         return snd_opti93x_free(chip);
1253 }
1254
1255 static const char *snd_opti93x_chip_id(opti93x_t *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(snd_card_t *card, opti9xx_t *chip,
1266                               int dma1, int dma2,
1267                               opti93x_t **rcodec)
1268 {
1269         static snd_device_ops_t ops = {
1270                 .dev_free =     snd_opti93x_dev_free,
1271         };
1272         int error;
1273         opti93x_t *codec;
1274
1275         *rcodec = NULL;
1276         codec = kcalloc(1, 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, SA_INTERRUPT, DRIVER_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 snd_pcm_ops_t 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 snd_pcm_ops_t 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 void snd_opti93x_pcm_free(snd_pcm_t *pcm)
1355 {
1356         opti93x_t *codec = pcm->private_data;
1357         codec->pcm = NULL;
1358         snd_pcm_lib_preallocate_free_for_all(pcm);
1359 }
1360
1361 static int snd_opti93x_pcm(opti93x_t *codec, int device, snd_pcm_t **rpcm)
1362 {
1363         int error;
1364         snd_pcm_t *pcm;
1365
1366         if ((error = snd_pcm_new(codec->card, "OPTi 82C93X", device, 1, 1, &pcm)))
1367                 return error;
1368
1369         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_opti93x_playback_ops);
1370         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_opti93x_capture_ops);
1371
1372         pcm->private_data = codec;
1373         pcm->private_free = snd_opti93x_pcm_free;
1374         pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1375
1376         strcpy(pcm->name, snd_opti93x_chip_id(codec));
1377
1378         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1379                                               snd_dma_isa_data(),
1380                                               64*1024, codec->dma1 > 3 || codec->dma2 > 3 ? 128*1024 : 64*1024);
1381
1382         codec->pcm = pcm;
1383         if (rpcm)
1384                 *rpcm = pcm;
1385         return 0;
1386 }
1387
1388 /*
1389  *  MIXER part
1390  */
1391
1392 static int snd_opti93x_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1393 {
1394         static char *texts[4] = {
1395                 "Line1", "Aux", "Mic", "Mix"
1396         };
1397
1398         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1399         uinfo->count = 2;
1400         uinfo->value.enumerated.items = 4;
1401         if (uinfo->value.enumerated.item > 3)
1402                 uinfo->value.enumerated.item = 3;
1403         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1404         return 0;
1405 }
1406
1407 static int snd_opti93x_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1408 {
1409         opti93x_t *chip = snd_kcontrol_chip(kcontrol);
1410         unsigned long flags;
1411         
1412         spin_lock_irqsave(&chip->lock, flags);
1413         ucontrol->value.enumerated.item[0] = (chip->image[OPTi93X_MIXOUT_LEFT] & OPTi93X_MIXOUT_MIXER) >> 6;
1414         ucontrol->value.enumerated.item[1] = (chip->image[OPTi93X_MIXOUT_RIGHT] & OPTi93X_MIXOUT_MIXER) >> 6;
1415         spin_unlock_irqrestore(&chip->lock, flags);
1416         return 0;
1417 }
1418
1419 static int snd_opti93x_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1420 {
1421         opti93x_t *chip = snd_kcontrol_chip(kcontrol);
1422         unsigned long flags;
1423         unsigned short left, right;
1424         int change;
1425         
1426         if (ucontrol->value.enumerated.item[0] > 3 ||
1427             ucontrol->value.enumerated.item[1] > 3)
1428                 return -EINVAL;
1429         left = ucontrol->value.enumerated.item[0] << 6;
1430         right = ucontrol->value.enumerated.item[1] << 6;
1431         spin_lock_irqsave(&chip->lock, flags);
1432         left = (chip->image[OPTi93X_MIXOUT_LEFT] & ~OPTi93X_MIXOUT_MIXER) | left;
1433         right = (chip->image[OPTi93X_MIXOUT_RIGHT] & ~OPTi93X_MIXOUT_MIXER) | right;
1434         change = left != chip->image[OPTi93X_MIXOUT_LEFT] ||
1435                  right != chip->image[OPTi93X_MIXOUT_RIGHT];
1436         snd_opti93x_out_image(chip, OPTi93X_MIXOUT_LEFT, left);
1437         snd_opti93x_out_image(chip, OPTi93X_MIXOUT_RIGHT, right);
1438         spin_unlock_irqrestore(&chip->lock, flags);
1439         return change;
1440 }
1441
1442 #if 0
1443
1444 #define OPTi93X_SINGLE(xname, xindex, reg, shift, mask, invert) \
1445 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1446   .info = snd_opti93x_info_single, \
1447   .get = snd_opti93x_get_single, .put = snd_opti93x_put_single, \
1448   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1449
1450 static int snd_opti93x_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1451 {
1452         int mask = (kcontrol->private_value >> 16) & 0xff;
1453
1454         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1455         uinfo->count = 1;
1456         uinfo->value.integer.min = 0;
1457         uinfo->value.integer.max = mask;
1458         return 0;
1459 }
1460
1461 static int snd_opti93x_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1462 {
1463         opti93x_t *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         
1470         spin_lock_irqsave(&chip->lock, flags);
1471         ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
1472         spin_unlock_irqrestore(&chip->lock, flags);
1473         if (invert)
1474                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1475         return 0;
1476 }
1477
1478 static int snd_opti93x_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1479 {
1480         opti93x_t *chip = snd_kcontrol_chip(kcontrol);
1481         unsigned long flags;
1482         int reg = kcontrol->private_value & 0xff;
1483         int shift = (kcontrol->private_value >> 8) & 0xff;
1484         int mask = (kcontrol->private_value >> 16) & 0xff;
1485         int invert = (kcontrol->private_value >> 24) & 0xff;
1486         int change;
1487         unsigned short val;
1488         
1489         val = (ucontrol->value.integer.value[0] & mask);
1490         if (invert)
1491                 val = mask - val;
1492         val <<= shift;
1493         spin_lock_irqsave(&chip->lock, flags);
1494         val = (chip->image[reg] & ~(mask << shift)) | val;
1495         change = val != chip->image[reg];
1496         snd_opti93x_out(chip, reg, val);
1497         spin_unlock_irqrestore(&chip->lock, flags);
1498         return change;
1499 }
1500
1501 #endif /* single */
1502
1503 #define OPTi93X_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1504 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1505   .info = snd_opti93x_info_double, \
1506   .get = snd_opti93x_get_double, .put = snd_opti93x_put_double, \
1507   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1508
1509 #define OPTi93X_DOUBLE_INVERT_INVERT(xctl) \
1510         do { xctl.private_value ^= 22; } while (0)
1511 #define OPTi93X_DOUBLE_CHANGE_REGS(xctl, left_reg, right_reg) \
1512         do { xctl.private_value &= ~0x0000ffff; \
1513              xctl.private_value |= left_reg | (right_reg << 8); } while (0)
1514
1515 static int snd_opti93x_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1516 {
1517         int mask = (kcontrol->private_value >> 24) & 0xff;
1518
1519         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1520         uinfo->count = 2;
1521         uinfo->value.integer.min = 0;
1522         uinfo->value.integer.max = mask;
1523         return 0;
1524 }
1525
1526 static int snd_opti93x_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1527 {
1528         opti93x_t *chip = snd_kcontrol_chip(kcontrol);
1529         unsigned long flags;
1530         int left_reg = kcontrol->private_value & 0xff;
1531         int right_reg = (kcontrol->private_value >> 8) & 0xff;
1532         int shift_left = (kcontrol->private_value >> 16) & 0x07;
1533         int shift_right = (kcontrol->private_value >> 19) & 0x07;
1534         int mask = (kcontrol->private_value >> 24) & 0xff;
1535         int invert = (kcontrol->private_value >> 22) & 1;
1536         
1537         spin_lock_irqsave(&chip->lock, flags);
1538         ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
1539         ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask;
1540         spin_unlock_irqrestore(&chip->lock, flags);
1541         if (invert) {
1542                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1543                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1544         }
1545         return 0;
1546 }
1547
1548 static int snd_opti93x_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1549 {
1550         opti93x_t *chip = snd_kcontrol_chip(kcontrol);
1551         unsigned long flags;
1552         int left_reg = kcontrol->private_value & 0xff;
1553         int right_reg = (kcontrol->private_value >> 8) & 0xff;
1554         int shift_left = (kcontrol->private_value >> 16) & 0x07;
1555         int shift_right = (kcontrol->private_value >> 19) & 0x07;
1556         int mask = (kcontrol->private_value >> 24) & 0xff;
1557         int invert = (kcontrol->private_value >> 22) & 1;
1558         int change;
1559         unsigned short val1, val2;
1560         
1561         val1 = ucontrol->value.integer.value[0] & mask;
1562         val2 = ucontrol->value.integer.value[1] & mask;
1563         if (invert) {
1564                 val1 = mask - val1;
1565                 val2 = mask - val2;
1566         }
1567         val1 <<= shift_left;
1568         val2 <<= shift_right;
1569         spin_lock_irqsave(&chip->lock, flags);
1570         val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
1571         val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
1572         change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
1573         snd_opti93x_out_image(chip, left_reg, val1);
1574         snd_opti93x_out_image(chip, right_reg, val2);
1575         spin_unlock_irqrestore(&chip->lock, flags);
1576         return change;
1577 }
1578
1579 static snd_kcontrol_new_t snd_opti93x_controls[] = {
1580 OPTi93X_DOUBLE("Master Playback Switch", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
1581 OPTi93X_DOUBLE("Master Playback Volume", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1), 
1582 OPTi93X_DOUBLE("PCM Playback Switch", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 7, 7, 1, 1),
1583 OPTi93X_DOUBLE("PCM Playback Volume", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 0, 0, 31, 1),
1584 OPTi93X_DOUBLE("FM Playback Switch", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 7, 7, 1, 1),
1585 OPTi93X_DOUBLE("FM Playback Volume", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 1, 1, 15, 1),
1586 OPTi93X_DOUBLE("Line Playback Switch", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 7, 7, 1, 1),
1587 OPTi93X_DOUBLE("Line Playback Volume", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 1, 1, 15, 1), 
1588 OPTi93X_DOUBLE("Mic Playback Switch", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
1589 OPTi93X_DOUBLE("Mic Playback Volume", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1), 
1590 OPTi93X_DOUBLE("Mic Boost", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 5, 5, 1, 1),
1591 OPTi93X_DOUBLE("CD Playback Switch", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 7, 7, 1, 1),
1592 OPTi93X_DOUBLE("CD Playback Volume", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 1, 1, 15, 1),
1593 OPTi93X_DOUBLE("Aux Playback Switch", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
1594 OPTi93X_DOUBLE("Aux Playback Volume", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1), 
1595 OPTi93X_DOUBLE("Capture Volume", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 0, 0, 15, 0),
1596 {
1597         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1598         .name = "Capture Source",
1599         .info = snd_opti93x_info_mux,
1600         .get = snd_opti93x_get_mux,
1601         .put = snd_opti93x_put_mux,
1602 }
1603 };
1604                                         
1605 static int snd_opti93x_mixer(opti93x_t *chip)
1606 {
1607         snd_card_t *card;
1608         snd_kcontrol_new_t knew;
1609         int err;
1610         unsigned int idx;
1611
1612         snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
1613
1614         card = chip->card;
1615
1616         strcpy(card->mixername, snd_opti93x_chip_id(chip));
1617
1618         for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
1619                 knew = snd_opti93x_controls[idx];
1620                 if (chip->hardware == OPTi9XX_HW_82C930) {
1621                         if (strstr(knew.name, "FM"))    /* skip FM controls */
1622                                 continue;
1623                         else if (strcmp(knew.name, "Mic Playback Volume"))
1624                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1625                         else if (strstr(knew.name, "Aux"))
1626                                 OPTi93X_DOUBLE_CHANGE_REGS(knew, OPTi930_AUX_LEFT_INPUT, OPTi930_AUX_RIGHT_INPUT);
1627                         else if (strcmp(knew.name, "PCM Playback Volume"))
1628                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1629                         else if (strcmp(knew.name, "Master Playback Volume"))
1630                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1631                 }
1632                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], chip))) < 0)
1633                         return err;
1634         }
1635         return 0;
1636 }
1637
1638 #endif /* OPTi93X */
1639
1640 static int __devinit snd_card_opti9xx_detect(snd_card_t *card, opti9xx_t *chip)
1641 {
1642         int i, err;
1643
1644 #ifndef OPTi93X
1645         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
1646                 unsigned char value;
1647
1648                 if ((err = snd_opti9xx_init(chip, i)) < 0)
1649                         return err;
1650
1651                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1652                         continue;
1653
1654                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
1655                 if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1656                         if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
1657                                 return 1;
1658
1659                 release_resource(chip->res_mc_base);
1660                 kfree_nocheck(chip->res_mc_base);
1661                 chip->res_mc_base = NULL;
1662
1663         }
1664 #else   /* OPTi93X */
1665         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
1666                 unsigned long flags;
1667                 unsigned char value;
1668
1669                 if ((err = snd_opti9xx_init(chip, i)) < 0)
1670                         return err;
1671
1672                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1673                         continue;
1674
1675                 spin_lock_irqsave(&chip->lock, flags);
1676                 outb(chip->password, chip->mc_base + chip->pwd_reg);
1677                 outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
1678                         ((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
1679                 spin_unlock_irqrestore(&chip->lock, flags);
1680
1681                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
1682                 snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
1683                 if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
1684                         return 1;
1685
1686                 release_resource(chip->res_mc_base);
1687                 kfree_nocheck(chip->res_mc_base);
1688                 chip->res_mc_base = NULL;
1689         }
1690 #endif  /* OPTi93X */
1691
1692         return -ENODEV;
1693 }
1694
1695 #ifdef CONFIG_PNP
1696 static int __devinit snd_card_opti9xx_pnp(opti9xx_t *chip, struct pnp_card_link *card,
1697                                           const struct pnp_card_device_id *pid)
1698 {
1699         struct pnp_dev *pdev;
1700         struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
1701         int err;
1702
1703         chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
1704         if (chip->dev == NULL) {
1705                 kfree(cfg);
1706                 return -EBUSY;
1707         }
1708         chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
1709
1710         pdev = chip->dev;
1711         pnp_init_resource_table(cfg);
1712
1713 #ifdef OPTi93X
1714         if (port != SNDRV_AUTO_PORT)
1715                 pnp_resource_change(&cfg->port_resource[0], port + 4, 4);
1716 #else
1717         if (pid->driver_data != 0x0924 && port != SNDRV_AUTO_PORT)
1718                 pnp_resource_change(&cfg->port_resource[1], port, 4);
1719 #endif  /* OPTi93X */
1720         if (irq != SNDRV_AUTO_IRQ)
1721                 pnp_resource_change(&cfg->irq_resource[0], irq, 1);
1722         if (dma1 != SNDRV_AUTO_DMA)
1723                 pnp_resource_change(&cfg->dma_resource[0], dma1, 1);
1724 #if defined(CS4231) || defined(OPTi93X)
1725         if (dma2 != SNDRV_AUTO_DMA)
1726                 pnp_resource_change(&cfg->dma_resource[1], dma2, 1);
1727 #else
1728 #ifdef snd_opti9xx_fixup_dma2
1729         snd_opti9xx_fixup_dma2(pdev);
1730 #endif
1731 #endif  /* CS4231 || OPTi93X */
1732 #ifdef OPTi93X
1733         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1734                 pnp_resource_change(&cfg->port_resource[1], fm_port, 4);
1735 #else
1736         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1737                 pnp_resource_change(&cfg->port_resource[2], fm_port, 4);
1738 #endif
1739         if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1740                 snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1741         err = pnp_activate_dev(pdev);
1742         if (err < 0) {
1743                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
1744                 kfree(cfg);
1745                 return err;
1746         }
1747
1748 #ifdef OPTi93X
1749         port = pnp_port_start(pdev, 0) - 4;
1750         fm_port = pnp_port_start(pdev, 1);
1751 #else
1752         if (pid->driver_data != 0x0924)
1753                 port = pnp_port_start(pdev, 1);
1754         fm_port = pnp_port_start(pdev, 2);
1755 #endif  /* OPTi93X */
1756         irq = pnp_irq(pdev, 0);
1757         dma1 = pnp_dma(pdev, 0);
1758 #if defined(CS4231) || defined(OPTi93X)
1759         dma2 = pnp_dma(pdev, 1);
1760 #endif  /* CS4231 || OPTi93X */
1761
1762         pdev = chip->devmpu;
1763         if (pdev && mpu_port > 0) {
1764                 pnp_init_resource_table(cfg);
1765
1766                 if (mpu_port != SNDRV_AUTO_PORT)
1767                         pnp_resource_change(&cfg->port_resource[0], mpu_port, 2);
1768                 if (mpu_irq != SNDRV_AUTO_IRQ)
1769                         pnp_resource_change(&cfg->irq_resource[0], mpu_irq, 1);
1770
1771                 if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1772                         snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1773                 err = pnp_activate_dev(pdev);
1774                 if (err < 0) {
1775                         snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
1776                         mpu_port = -1;
1777                         chip->devmpu = NULL;
1778                 } else {
1779                         mpu_port = pnp_port_start(pdev, 0);
1780                         mpu_irq = pnp_irq(pdev, 0);
1781                 }
1782         }
1783         kfree(cfg);
1784         return pid->driver_data;
1785 }
1786 #endif  /* CONFIG_PNP */
1787
1788 #if 0
1789 static int __devinit snd_card_opti9xx_resources(struct snd_card_opti9xx *chip,
1790                                                 snd_card_t *card)
1791 {
1792         int error, i, pnp = 0;
1793
1794 #ifdef CONFIG_PNP
1795         pnp = chip->dev != NULL;
1796 #endif  /* CONFIG_PNP */
1797
1798 #ifndef OPTi93X
1799         if (chip->chip->hardware == OPTi9XX_HW_82C928)
1800                 mpu_port = -1;
1801 #endif  /* OPTi93X */
1802         error = 0;
1803         if (!pnp && (mpu_port == SNDRV_DEFAULT_PORT1)) {
1804                 for (i = 0; possible_mpu_ports[i] != -1; i++)
1805                         if (!snd_register_ioport(card, possible_mpu_ports[i], 2,
1806                                         DRIVER_NAME" - MPU-401", NULL)) {
1807                                 mpu_port = possible_mpu_ports[i];
1808                                 break;
1809                         }
1810                 if (mpu_port == SNDRV_DEFAULT_PORT1)
1811                         error = -EBUSY;
1812         }
1813         else
1814                 error = (mpu_port == -1) ? -ENODEV :
1815                         snd_register_ioport(card, mpu_port, 2,
1816                         DRIVER_NAME" - MPU-401", NULL);
1817         if (error)
1818                 chip->chip->mpu_port = -1;
1819         else if (pnp && (irq == mpu_irq))
1820                 chip->chip->mpu_irq = mpu_irq;
1821         else if (!snd_register_interrupt(card,
1822                         DRIVER_NAME" - MPU-401",
1823                         mpu_irq, SNDRV_IRQ_TYPE_ISA,
1824                         snd_card_opti9xx_mpu_interrupt, chip,
1825                         pnp ? no_alternatives : possible_mpu_irqs,
1826                         &chip->mpuirqptr)) {
1827                 chip->chip->mpu_port = mpu_port;
1828                 chip->chip->mpu_irq = chip->mpuirqptr->irq;
1829         }
1830         else
1831                 chip->chip->mpu_port = -1;
1832
1833         if (!pnp && (port == SNDRV_DEFAULT_PORT1)) {
1834                 for (i = 0; possible_ports[i] != -1; i++)
1835                         if (!snd_register_ioport(card, possible_ports[i], 8,
1836                                         DRIVER_NAME" - WSS", NULL)) {
1837                                 port = possible_ports[i];
1838                                 break;
1839                         }
1840                 if (port == SNDRV_DEFAULT_PORT1)
1841                         return -EBUSY;
1842         }
1843         else if ((error = snd_register_ioport(card, port, 8,
1844                         DRIVER_NAME" - WSS", NULL)) < 0)
1845                 return error;
1846         chip->chip->wss_base = port;
1847         if ((error = snd_register_interrupt(card, DRIVER_NAME" - WSS",
1848                         irq, SNDRV_IRQ_TYPE_ISA,
1849                         snd_card_opti9xx_interrupt, chip,
1850                         pnp ? no_alternatives : possible_irqs,
1851                         &chip->irqptr)) < 0)
1852                 return error;
1853         chip->chip->irq = chip->irqptr->irq;
1854         if ((error = snd_register_dma_channel(card,
1855 #if defined(CS4231) || defined(OPTi93X)
1856                         DRIVER_NAME" - WSS playback",
1857 #else
1858                         DRIVER_NAME" - WSS",
1859 #endif  /* CS4231 || OPTi93X */
1860                         dma1, SNDRV_DMA_TYPE_ISA, dma1_size,
1861                         pnp ? no_alternatives : possible_dma1s,
1862                         &chip->dma1ptr)) < 0)
1863                 return error;
1864         chip->chip->dma1 = chip->dma1ptr->dma;
1865 #if defined(CS4231) || defined(OPTi93X)
1866         if ((error = snd_register_dma_channel(card, DRIVER_NAME" - WSS capture",
1867                         dma2, SNDRV_DMA_TYPE_ISA, dma2_size,
1868                         pnp ? no_alternatives :
1869                                 possible_dma2s[chip->dma1ptr->dma],
1870                         &chip->dma2ptr)) < 0)
1871                 return error;
1872         chip->chip->dma2 = chip->dma2ptr->dma;
1873 #endif  /* CS4231 || OPTi93X */
1874
1875         if (snd_register_ioport(card,
1876                         pnp ? fm_port : fm_port = 0x388, 4,
1877                         DRIVER_NAME" - OPL", NULL) < 0)
1878                 fm_port = -1;
1879         chip->chip->fm_port = fm_port;
1880
1881         return 0;
1882 }
1883 #endif
1884
1885 static void snd_card_opti9xx_free(snd_card_t *card)
1886 {
1887         opti9xx_t *chip = (opti9xx_t *)card->private_data;
1888         
1889         if (chip) {
1890                 if (chip->res_mc_base) {
1891                         release_resource(chip->res_mc_base);
1892                         kfree_nocheck(chip->res_mc_base);
1893                 }
1894         }
1895 }
1896
1897 static int snd_card_opti9xx_probe(struct pnp_card_link *pcard,
1898                                   const struct pnp_card_device_id *pid)
1899 {
1900         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1901         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
1902 #ifdef OPTi93X
1903         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
1904 #else
1905         static int possible_irqs[] = {9, 10, 11, 7, -1};
1906 #endif  /* OPTi93X */
1907         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
1908         static int possible_dma1s[] = {3, 1, 0, -1};
1909 #if defined(CS4231) || defined(OPTi93X)
1910         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1911 #endif  /* CS4231 || OPTi93X */
1912         int error;
1913         opti9xx_t *chip;
1914 #if defined(OPTi93X)
1915         opti93x_t *codec;
1916 #elif defined(CS4231)
1917         cs4231_t *codec;
1918         snd_timer_t *timer;
1919 #else
1920         ad1848_t *codec;
1921 #endif
1922         snd_card_t *card;
1923         snd_pcm_t *pcm;
1924         snd_rawmidi_t *rmidi;
1925         snd_hwdep_t *synth;
1926 #ifdef CONFIG_PNP
1927         int hw;
1928 #endif  /* CONFIG_PNP */
1929
1930         if (pcard && !snd_opti9xx_first_hit)
1931                 return -EBUSY;
1932         if (!(card = snd_card_new(index, id, THIS_MODULE,
1933                                   sizeof(opti9xx_t))))
1934                 return -ENOMEM;
1935         card->private_free = snd_card_opti9xx_free;
1936         chip = (opti9xx_t *)card->private_data;
1937
1938 #ifdef CONFIG_PNP
1939         if (isapnp && pcard && (hw = snd_card_opti9xx_pnp(chip, pcard, pid)) > 0) {
1940                 switch (hw) {
1941                 case 0x0924:
1942                         hw = OPTi9XX_HW_82C924;
1943                         break;
1944                 case 0x0925:
1945                         hw = OPTi9XX_HW_82C925;
1946                         break;
1947                 case 0x0931:
1948                         hw = OPTi9XX_HW_82C931;
1949                         break;
1950                 default:
1951                         snd_card_free(card);
1952                         return -ENODEV;
1953                 }
1954
1955                 if ((error = snd_opti9xx_init(chip, hw))) {
1956                         snd_card_free(card);
1957                         return error;
1958                 }
1959                 if (hw <= OPTi9XX_HW_82C930)
1960                         chip->mc_base -= 0x80;
1961                 snd_card_set_dev(card, &pcard->card->dev);
1962         } else {
1963 #endif  /* CONFIG_PNP */
1964                 if ((error = snd_card_opti9xx_detect(card, chip)) < 0) {
1965                         snd_card_free(card);
1966                         return error;
1967                 }
1968                 if ((error = snd_card_set_generic_dev(card)) < 0) {
1969                         snd_card_free(card);
1970                         return error;
1971                 }
1972 #ifdef CONFIG_PNP
1973         }
1974 #endif  /* CONFIG_PNP */
1975
1976         if (! chip->res_mc_base &&
1977             (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL) {
1978                 snd_card_free(card);
1979                 return -ENOMEM;
1980         }
1981
1982         chip->wss_base = port;
1983         chip->fm_port = fm_port;
1984         chip->mpu_port = mpu_port;
1985         chip->irq = irq;
1986         chip->mpu_irq = mpu_irq;
1987         chip->dma1 = dma1;
1988 #if defined(CS4231) || defined(OPTi93X)
1989         chip->dma2 = dma2;
1990 #endif
1991
1992         if (chip->wss_base == SNDRV_AUTO_PORT) {
1993                 if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1994                         snd_card_free(card);
1995                         snd_printk("unable to find a free WSS port\n");
1996                         return -EBUSY;
1997                 }
1998         }
1999 #ifdef CONFIG_PNP
2000         if (!isapnp) {
2001 #endif
2002         if (chip->mpu_port == SNDRV_AUTO_PORT) {
2003                 if ((chip->mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
2004                         snd_card_free(card);
2005                         snd_printk("unable to find a free MPU401 port\n");
2006                         return -EBUSY;
2007                 }
2008         }
2009         if (chip->irq == SNDRV_AUTO_IRQ) {
2010                 if ((chip->irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
2011                         snd_card_free(card);
2012                         snd_printk("unable to find a free IRQ\n");
2013                         return -EBUSY;
2014                 }
2015         }
2016         if (chip->mpu_irq == SNDRV_AUTO_IRQ) {
2017                 if ((chip->mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
2018                         snd_card_free(card);
2019                         snd_printk("unable to find a free MPU401 IRQ\n");
2020                         return -EBUSY;
2021                 }
2022         }
2023         if (chip->dma1 == SNDRV_AUTO_DMA) {
2024                 if ((chip->dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
2025                         snd_card_free(card);
2026                         snd_printk("unable to find a free DMA1\n");
2027                         return -EBUSY;
2028                 }
2029         }
2030 #if defined(CS4231) || defined(OPTi93X)
2031         if (chip->dma2 == SNDRV_AUTO_DMA) {
2032                 if ((chip->dma2 = snd_legacy_find_free_dma(possible_dma2s[chip->dma1 % 4])) < 0) {
2033                         snd_card_free(card);
2034                         snd_printk("unable to find a free DMA2\n");
2035                         return -EBUSY;
2036                 }
2037         }
2038 #endif
2039
2040 #ifdef CONFIG_PNP
2041         }
2042 #endif
2043
2044         if ((error = snd_opti9xx_configure(chip))) {
2045                 snd_card_free(card);
2046                 return error;
2047         }
2048
2049 #if defined(OPTi93X)
2050         if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec))) {
2051                 snd_card_free(card);
2052                 return error;
2053         }
2054         if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0) {
2055                 snd_card_free(card);
2056                 return error;
2057         }
2058         if ((error = snd_opti93x_mixer(codec)) < 0) {
2059                 snd_card_free(card);
2060                 return error;
2061         }
2062 #elif defined(CS4231)
2063         if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1,
2064                                        chip->irq, chip->dma1, chip->dma2,
2065                                        CS4231_HW_DETECT,
2066                                        0,
2067                                        &codec)) < 0) {
2068                 snd_card_free(card);
2069                 return error;
2070         }
2071         if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) {
2072                 snd_card_free(card);
2073                 return error;
2074         }
2075         if ((error = snd_cs4231_mixer(codec)) < 0) {
2076                 snd_card_free(card);
2077                 return error;
2078         }
2079         if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) {
2080                 snd_card_free(card);
2081                 return error;
2082         }
2083 #else
2084         if ((error = snd_ad1848_create(card, chip->wss_base + 4,
2085                                        chip->irq, chip->dma1,
2086                                        AD1848_HW_DETECT, &codec)) < 0) {
2087                 snd_card_free(card);
2088                 return error;
2089         }
2090         if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0) {
2091                 snd_card_free(card);
2092                 return error;
2093         }
2094         if ((error = snd_ad1848_mixer(codec)) < 0) {
2095                 snd_card_free(card);
2096                 return error;
2097         }
2098 #endif
2099         strcpy(card->driver, chip->name);
2100         sprintf(card->shortname, "OPTi %s", card->driver);
2101 #if defined(CS4231) || defined(OPTi93X)
2102         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
2103                 card->shortname, pcm->name, chip->wss_base + 4,
2104                 chip->irq, chip->dma1, chip->dma2);
2105 #else
2106         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
2107                 card->shortname, pcm->name, chip->wss_base + 4,
2108                 chip->irq, chip->dma1);
2109 #endif  /* CS4231 || OPTi93X */
2110
2111         if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
2112                 rmidi = NULL;
2113         else
2114                 if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
2115                                 chip->mpu_port, 0, chip->mpu_irq, SA_INTERRUPT,
2116                                 &rmidi)))
2117                         snd_printk("no MPU-401 device at 0x%lx?\n", chip->mpu_port);
2118
2119         if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
2120                 opl3_t *opl3 = NULL;
2121 #ifndef OPTi93X
2122                 if (chip->hardware == OPTi9XX_HW_82C928 ||
2123                     chip->hardware == OPTi9XX_HW_82C929 ||
2124                     chip->hardware == OPTi9XX_HW_82C924) {
2125                         opl4_t *opl4;
2126                         /* assume we have an OPL4 */
2127                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
2128                                                0x20, 0x20);
2129                         if (snd_opl4_create(card,
2130                                             chip->fm_port,
2131                                             chip->fm_port - 8,
2132                                             2, &opl3, &opl4) < 0) {
2133                                 /* no luck, use OPL3 instead */
2134                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
2135                                                        0x00, 0x20);
2136                         }
2137                 }
2138 #endif  /* !OPTi93X */
2139                 if (!opl3 && snd_opl3_create(card,
2140                                              chip->fm_port,
2141                                              chip->fm_port + 2,
2142                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
2143                         snd_printk("no OPL device at 0x%lx-0x%lx\n",
2144                                    chip->fm_port, chip->fm_port + 4 - 1);
2145                 }
2146                 if (opl3) {
2147                         if ((error = snd_opl3_timer_new(opl3,
2148 #ifdef CS4231
2149                                                         1, 2)) < 0) {
2150 #else
2151                                                         0, 1)) < 0) {
2152 #endif  /* CS4231 */
2153                                 snd_card_free(card);
2154                                 return error;
2155                         }
2156                         if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0) {
2157                                 snd_card_free(card);
2158                                 return error;
2159                         }
2160                 }
2161         }
2162
2163         if ((error = snd_card_register(card))) {
2164                 snd_card_free(card);
2165                 return error;
2166         }
2167         snd_opti9xx_first_hit = 0;
2168         if (pcard)
2169                 pnp_set_card_drvdata(pcard, card);
2170         else
2171                 snd_opti9xx_legacy = card;
2172         return 0;
2173 }
2174
2175 #ifdef CONFIG_PNP
2176 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
2177 {
2178         snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
2179
2180         snd_card_disconnect(card);
2181         snd_card_free_in_thread(card);
2182         snd_opti9xx_first_hit = 0;
2183 }
2184
2185 static struct pnp_card_driver opti9xx_pnpc_driver = {
2186         .flags          = PNP_DRIVER_RES_DISABLE,
2187         .name           = "opti9xx",
2188         .id_table       = snd_opti9xx_pnpids,
2189         .probe          = snd_card_opti9xx_probe,
2190         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
2191 };
2192 #endif
2193
2194 static int __init alsa_card_opti9xx_init(void)
2195 {
2196         int cards, error;
2197
2198 #ifdef CONFIG_PNP
2199         cards = pnp_register_card_driver(&opti9xx_pnpc_driver);
2200 #else
2201         cards = 0;
2202 #endif
2203         if (cards == 0 && (error = snd_card_opti9xx_probe(NULL, NULL)) < 0) {
2204 #ifdef CONFIG_PNP
2205                 pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2206 #endif
2207 #ifdef MODULE
2208 #ifdef OPTi93X
2209                 printk(KERN_ERR "no OPTi 82C93x soundcard found\n");
2210 #else
2211                 printk(KERN_ERR "no OPTi 82C92x soundcard found\n");
2212 #endif  /* OPTi93X */
2213 #endif
2214                 return error;
2215         }
2216         return 0;
2217 }
2218
2219 static void __exit alsa_card_opti9xx_exit(void)
2220 {
2221 #ifdef CONFIG_PNP
2222         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2223 #endif
2224         if (snd_opti9xx_legacy)
2225                 snd_card_free(snd_opti9xx_legacy);
2226 }
2227
2228 module_init(alsa_card_opti9xx_init)
2229 module_exit(alsa_card_opti9xx_exit)