65b28cbc0ebd75b5211e5cb3cb292e058e8e9239
[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 <linux/init.h>
28 #include <linux/err.h>
29 #include <linux/platform_device.h>
30 #include <linux/delay.h>
31 #include <linux/slab.h>
32 #include <linux/pnp.h>
33 #include <linux/moduleparam.h>
34 #include <asm/io.h>
35 #include <asm/dma.h>
36 #include <sound/core.h>
37 #ifdef CS4231
38 #include <sound/cs4231.h>
39 #else
40 #ifndef OPTi93X
41 #include <sound/ad1848.h>
42 #else
43 #include <sound/control.h>
44 #include <sound/pcm.h>
45 #endif  /* OPTi93X */
46 #endif  /* CS4231 */
47 #include <sound/mpu401.h>
48 #include <sound/opl3.h>
49 #ifndef OPTi93X
50 #include <sound/opl4.h>
51 #endif
52 #define SNDRV_LEGACY_FIND_FREE_IRQ
53 #define SNDRV_LEGACY_FIND_FREE_DMA
54 #include <sound/initval.h>
55
56 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
57 MODULE_LICENSE("GPL");
58 #ifdef OPTi93X
59 MODULE_DESCRIPTION("OPTi93X");
60 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
61 #else   /* OPTi93X */
62 #ifdef CS4231
63 MODULE_DESCRIPTION("OPTi92X - CS4231");
64 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
65                 "{OPTi,82C925 (CS4231)}}");
66 #else   /* CS4231 */
67 MODULE_DESCRIPTION("OPTi92X - AD1848");
68 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
69                 "{OPTi,82C925 (AD1848)},"
70                 "{OAK,Mozart}}");
71 #endif  /* CS4231 */
72 #endif  /* OPTi93X */
73
74 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
75 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
76 //static int enable = SNDRV_DEFAULT_ENABLE1;    /* Enable this card */
77 static int isapnp = 1;                  /* Enable ISA PnP detection */
78 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
79 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
80 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
81 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
82 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
83 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
84 #if defined(CS4231) || defined(OPTi93X)
85 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
86 #endif  /* CS4231 || OPTi93X */
87
88 module_param(index, int, 0444);
89 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
90 module_param(id, charp, 0444);
91 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
92 //module_param(enable, bool, 0444);
93 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
94 module_param(isapnp, bool, 0444);
95 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
96 module_param(port, long, 0444);
97 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
98 module_param(mpu_port, long, 0444);
99 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
100 module_param(fm_port, long, 0444);
101 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
102 module_param(irq, int, 0444);
103 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
104 module_param(mpu_irq, int, 0444);
105 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
106 module_param(dma1, int, 0444);
107 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
108 #if defined(CS4231) || defined(OPTi93X)
109 module_param(dma2, int, 0444);
110 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
111 #endif  /* CS4231 || OPTi93X */
112
113 #define OPTi9XX_HW_DETECT       0
114 #define OPTi9XX_HW_82C928       1
115 #define OPTi9XX_HW_82C929       2
116 #define OPTi9XX_HW_82C924       3
117 #define OPTi9XX_HW_82C925       4
118 #define OPTi9XX_HW_82C930       5
119 #define OPTi9XX_HW_82C931       6
120 #define OPTi9XX_HW_82C933       7
121 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
122
123 #define OPTi9XX_MC_REG(n)       n
124
125 #ifdef OPTi93X
126
127 #define OPTi93X_INDEX                   0x00
128 #define OPTi93X_DATA                    0x01
129 #define OPTi93X_STATUS                  0x02
130 #define OPTi93X_DDATA                   0x03
131 #define OPTi93X_PORT(chip, r)           ((chip)->port + OPTi93X_##r)
132
133 #define OPTi93X_MIXOUT_LEFT             0x00
134 #define OPTi93X_MIXOUT_RIGHT            0x01
135 #define OPTi93X_CD_LEFT_INPUT           0x02
136 #define OPTi93X_CD_RIGHT_INPUT          0x03
137 #define OPTi930_AUX_LEFT_INPUT          0x04
138 #define OPTi930_AUX_RIGHT_INPUT         0x05
139 #define OPTi931_FM_LEFT_INPUT           0x04
140 #define OPTi931_FM_RIGHT_INPUT          0x05
141 #define OPTi93X_DAC_LEFT                0x06
142 #define OPTi93X_DAC_RIGHT               0x07
143 #define OPTi93X_PLAY_FORMAT             0x08
144 #define OPTi93X_IFACE_CONF              0x09
145 #define OPTi93X_PIN_CTRL                0x0a
146 #define OPTi93X_ERR_INIT                0x0b
147 #define OPTi93X_ID                      0x0c
148 #define OPTi93X_PLAY_UPR_CNT            0x0e
149 #define OPTi93X_PLAY_LWR_CNT            0x0f
150 #define OPTi931_AUX_LEFT_INPUT          0x10
151 #define OPTi931_AUX_RIGHT_INPUT         0x11
152 #define OPTi93X_LINE_LEFT_INPUT         0x12
153 #define OPTi93X_LINE_RIGHT_INPUT        0x13
154 #define OPTi93X_MIC_LEFT_INPUT          0x14
155 #define OPTi93X_MIC_RIGHT_INPUT         0x15
156 #define OPTi93X_OUT_LEFT                0x16
157 #define OPTi93X_OUT_RIGHT               0x17
158 #define OPTi93X_CAPT_FORMAT             0x1c
159 #define OPTi93X_CAPT_UPR_CNT            0x1e
160 #define OPTi93X_CAPT_LWR_CNT            0x1f
161
162 #define OPTi93X_TRD                     0x20
163 #define OPTi93X_MCE                     0x40
164 #define OPTi93X_INIT                    0x80
165
166 #define OPTi93X_MIXOUT_MIC_GAIN         0x20
167 #define OPTi93X_MIXOUT_LINE             0x00
168 #define OPTi93X_MIXOUT_CD               0x40
169 #define OPTi93X_MIXOUT_MIC              0x80
170 #define OPTi93X_MIXOUT_MIXER            0xc0
171
172 #define OPTi93X_STEREO                  0x10
173 #define OPTi93X_LINEAR_8                0x00
174 #define OPTi93X_ULAW_8                  0x20
175 #define OPTi93X_LINEAR_16_LIT           0x40
176 #define OPTi93X_ALAW_8                  0x60
177 #define OPTi93X_ADPCM_16                0xa0
178 #define OPTi93X_LINEAR_16_BIG           0xc0
179
180 #define OPTi93X_CAPTURE_PIO             0x80
181 #define OPTi93X_PLAYBACK_PIO            0x40
182 #define OPTi93X_AUTOCALIB               0x08
183 #define OPTi93X_SINGLE_DMA              0x04
184 #define OPTi93X_CAPTURE_ENABLE          0x02
185 #define OPTi93X_PLAYBACK_ENABLE         0x01
186
187 #define OPTi93X_IRQ_ENABLE              0x02
188
189 #define OPTi93X_DMA_REQUEST             0x10
190 #define OPTi93X_CALIB_IN_PROGRESS       0x20
191
192 #define OPTi93X_IRQ_PLAYBACK            0x04
193 #define OPTi93X_IRQ_CAPTURE             0x08
194
195
196 struct snd_opti93x {
197         unsigned long port;
198         struct resource *res_port;
199         int irq;
200         int dma1;
201         int dma2;
202
203         struct snd_opti9xx *chip;
204         unsigned short hardware;
205         unsigned char image[32];
206
207         unsigned char mce_bit;
208         unsigned short mode;
209         int mute;
210
211         spinlock_t lock;
212
213         struct snd_card *card;
214         struct snd_pcm *pcm;
215         struct snd_pcm_substream *playback_substream;
216         struct snd_pcm_substream *capture_substream;
217         unsigned int p_dma_size;
218         unsigned int c_dma_size;
219 };
220
221 #define OPTi93X_MODE_NONE       0x00
222 #define OPTi93X_MODE_PLAY       0x01
223 #define OPTi93X_MODE_CAPTURE    0x02
224 #define OPTi93X_MODE_OPEN       (OPTi93X_MODE_PLAY | OPTi93X_MODE_CAPTURE)
225
226 #endif /* OPTi93X */
227
228 struct snd_opti9xx {
229         unsigned short hardware;
230         unsigned char password;
231         char name[7];
232
233         unsigned long mc_base;
234         struct resource *res_mc_base;
235         unsigned long mc_base_size;
236 #ifdef OPTi93X
237         unsigned long mc_indir_index;
238 #endif  /* OPTi93X */
239         unsigned long pwd_reg;
240
241         spinlock_t lock;
242
243         long wss_base;
244         int irq;
245         int dma1;
246 #if defined(CS4231) || defined(OPTi93X)
247         int dma2;
248 #endif  /* CS4231 || OPTi93X */
249
250         long fm_port;
251
252         long mpu_port;
253         int mpu_irq;
254
255 #ifdef CONFIG_PNP
256         struct pnp_dev *dev;
257         struct pnp_dev *devmpu;
258 #endif  /* CONFIG_PNP */
259 };
260
261 static int snd_opti9xx_pnp_is_probed;
262 static struct platform_device *snd_opti9xx_platform_device;
263
264 #ifdef CONFIG_PNP
265
266 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
267 #ifndef OPTi93X
268         /* OPTi 82C924 */
269         { .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
270         /* OPTi 82C925 */
271         { .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
272 #else
273         /* OPTi 82C931/3 */
274         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
275 #endif  /* OPTi93X */
276         { .id = "" }
277 };
278
279 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
280
281 #endif  /* CONFIG_PNP */
282
283 #ifdef OPTi93X
284 #define DRIVER_NAME     "snd-card-opti93x"
285 #else
286 #define DRIVER_NAME     "snd-card-opti92x"
287 #endif  /* OPTi93X */
288
289 static char * snd_opti9xx_names[] = {
290         "unkown",
291         "82C928",       "82C929",
292         "82C924",       "82C925",
293         "82C930",       "82C931",       "82C933"
294 };
295
296
297 static long __init snd_legacy_find_free_ioport(long *port_table, long size)
298 {
299         while (*port_table != -1) {
300                 if (request_region(*port_table, size, "ALSA test")) {
301                         release_region(*port_table, size);
302                         return *port_table;
303                 }
304                 port_table++;
305         }
306         return -1;
307 }
308
309 static int __init snd_opti9xx_init(struct snd_opti9xx *chip, unsigned short hardware)
310 {
311         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
312
313         chip->hardware = hardware;
314         strcpy(chip->name, snd_opti9xx_names[hardware]);
315
316         chip->mc_base_size = opti9xx_mc_size[hardware];  
317
318         spin_lock_init(&chip->lock);
319
320         chip->wss_base = -1;
321         chip->irq = -1;
322         chip->dma1 = -1;
323 #if defined(CS4231) || defined (OPTi93X)
324         chip->dma2 = -1;
325 #endif  /* CS4231 || OPTi93X */
326         chip->fm_port = -1;
327         chip->mpu_port = -1;
328         chip->mpu_irq = -1;
329
330         switch (hardware) {
331 #ifndef OPTi93X
332         case OPTi9XX_HW_82C928:
333         case OPTi9XX_HW_82C929:
334                 chip->mc_base = 0xf8c;
335                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
336                 chip->pwd_reg = 3;
337                 break;
338
339         case OPTi9XX_HW_82C924:
340         case OPTi9XX_HW_82C925:
341                 chip->mc_base = 0xf8c;
342                 chip->password = 0xe5;
343                 chip->pwd_reg = 3;
344                 break;
345 #else   /* OPTi93X */
346
347         case OPTi9XX_HW_82C930:
348         case OPTi9XX_HW_82C931:
349         case OPTi9XX_HW_82C933:
350                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
351                 chip->mc_indir_index = 0xe0e;
352                 chip->password = 0xe4;
353                 chip->pwd_reg = 0;
354                 break;
355 #endif  /* OPTi93X */
356
357         default:
358                 snd_printk("chip %d not supported\n", hardware);
359                 return -ENODEV;
360         }
361         return 0;
362 }
363
364 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
365                                       unsigned char reg)
366 {
367         unsigned long flags;
368         unsigned char retval = 0xff;
369
370         spin_lock_irqsave(&chip->lock, flags);
371         outb(chip->password, chip->mc_base + chip->pwd_reg);
372
373         switch (chip->hardware) {
374 #ifndef OPTi93X
375         case OPTi9XX_HW_82C924:
376         case OPTi9XX_HW_82C925:
377                 if (reg > 7) {
378                         outb(reg, chip->mc_base + 8);
379                         outb(chip->password, chip->mc_base + chip->pwd_reg);
380                         retval = inb(chip->mc_base + 9);
381                         break;
382                 }
383
384         case OPTi9XX_HW_82C928:
385         case OPTi9XX_HW_82C929:
386                 retval = inb(chip->mc_base + reg);
387                 break;
388 #else   /* OPTi93X */
389
390         case OPTi9XX_HW_82C930:
391         case OPTi9XX_HW_82C931:
392         case OPTi9XX_HW_82C933:
393                 outb(reg, chip->mc_indir_index);
394                 outb(chip->password, chip->mc_base + chip->pwd_reg);
395                 retval = inb(chip->mc_indir_index + 1);
396                 break;
397 #endif  /* OPTi93X */
398
399         default:
400                 snd_printk("chip %d not supported\n", chip->hardware);
401         }
402
403         spin_unlock_irqrestore(&chip->lock, flags);
404         return retval;
405 }
406         
407 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
408                               unsigned char value)
409 {
410         unsigned long flags;
411
412         spin_lock_irqsave(&chip->lock, flags);
413         outb(chip->password, chip->mc_base + chip->pwd_reg);
414
415         switch (chip->hardware) {
416 #ifndef OPTi93X
417         case OPTi9XX_HW_82C924:
418         case OPTi9XX_HW_82C925:
419                 if (reg > 7) {
420                         outb(reg, chip->mc_base + 8);
421                         outb(chip->password, chip->mc_base + chip->pwd_reg);
422                         outb(value, chip->mc_base + 9);
423                         break;
424                 }
425
426         case OPTi9XX_HW_82C928:
427         case OPTi9XX_HW_82C929:
428                 outb(value, chip->mc_base + reg);
429                 break;
430 #else   /* OPTi93X */
431
432         case OPTi9XX_HW_82C930:
433         case OPTi9XX_HW_82C931:
434         case OPTi9XX_HW_82C933:
435                 outb(reg, chip->mc_indir_index);
436                 outb(chip->password, chip->mc_base + chip->pwd_reg);
437                 outb(value, chip->mc_indir_index + 1);
438                 break;
439 #endif  /* OPTi93X */
440
441         default:
442                 snd_printk("chip %d not supported\n", chip->hardware);
443         }
444
445         spin_unlock_irqrestore(&chip->lock, flags);
446 }
447
448
449 #define snd_opti9xx_write_mask(chip, reg, value, mask)  \
450         snd_opti9xx_write(chip, reg,                    \
451                 (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
452
453
454 static int __init snd_opti9xx_configure(struct snd_opti9xx *chip)
455 {
456         unsigned char wss_base_bits;
457         unsigned char irq_bits;
458         unsigned char dma_bits;
459         unsigned char mpu_port_bits = 0;
460         unsigned char mpu_irq_bits;
461
462         switch (chip->hardware) {
463 #ifndef OPTi93X
464         case OPTi9XX_HW_82C924:
465                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
466                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
467
468         case OPTi9XX_HW_82C925:
469                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
470                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
471                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
472 #ifdef CS4231
473                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
474 #else
475                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
476 #endif  /* CS4231 */
477                 break;
478
479         case OPTi9XX_HW_82C928:
480         case OPTi9XX_HW_82C929:
481                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
482                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
483                 /*
484                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
485                 */
486                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
487 #ifdef CS4231
488                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
489 #else
490                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
491 #endif  /* CS4231 */
492                 break;
493
494 #else   /* OPTi93X */
495         case OPTi9XX_HW_82C930:
496         case OPTi9XX_HW_82C931:
497         case OPTi9XX_HW_82C933:
498                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
499                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
500                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
501                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
502                         0x34);
503                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
504                 break;
505 #endif  /* OPTi93X */
506
507         default:
508                 snd_printk("chip %d not supported\n", chip->hardware);
509                 return -EINVAL;
510         }
511
512         switch (chip->wss_base) {
513         case 0x530:
514                 wss_base_bits = 0x00;
515                 break;
516         case 0x604:
517                 wss_base_bits = 0x03;
518                 break;
519         case 0xe80:
520                 wss_base_bits = 0x01;
521                 break;
522         case 0xf40:
523                 wss_base_bits = 0x02;
524                 break;
525         default:
526                 snd_printk("WSS port 0x%lx not valid\n", chip->wss_base);
527                 goto __skip_base;
528         }
529         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
530
531 __skip_base:
532         switch (chip->irq) {
533 //#ifdef OPTi93X
534         case 5:
535                 irq_bits = 0x05;
536                 break;
537 //#endif        /* OPTi93X */
538         case 7:
539                 irq_bits = 0x01;
540                 break;
541         case 9:
542                 irq_bits = 0x02;
543                 break;
544         case 10:
545                 irq_bits = 0x03;
546                 break;
547         case 11:
548                 irq_bits = 0x04;
549                 break;
550         default:
551                 snd_printk("WSS irq # %d not valid\n", chip->irq);
552                 goto __skip_resources;
553         }
554
555         switch (chip->dma1) {
556         case 0:
557                 dma_bits = 0x01;
558                 break;
559         case 1:
560                 dma_bits = 0x02;
561                 break;
562         case 3:
563                 dma_bits = 0x03;
564                 break;
565         default:
566                 snd_printk("WSS dma1 # %d not valid\n", chip->dma1);
567                 goto __skip_resources;
568         }
569
570 #if defined(CS4231) || defined(OPTi93X)
571         if (chip->dma1 == chip->dma2) {
572                 snd_printk("don't want to share dmas\n");
573                 return -EBUSY;
574         }
575
576         switch (chip->dma2) {
577         case 0:
578         case 1:
579                 break;
580         default:
581                 snd_printk("WSS dma2 # %d not valid\n", chip->dma2);
582                 goto __skip_resources;
583         }
584         dma_bits |= 0x04;
585 #endif  /* CS4231 || OPTi93X */
586
587 #ifndef OPTi93X
588          outb(irq_bits << 3 | dma_bits, chip->wss_base);
589 #else /* OPTi93X */
590         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
591 #endif /* OPTi93X */
592
593 __skip_resources:
594         if (chip->hardware > OPTi9XX_HW_82C928) {
595                 switch (chip->mpu_port) {
596                 case 0:
597                 case -1:
598                         break;
599                 case 0x300:
600                         mpu_port_bits = 0x03;
601                         break;
602                 case 0x310:
603                         mpu_port_bits = 0x02;
604                         break;
605                 case 0x320:
606                         mpu_port_bits = 0x01;
607                         break;
608                 case 0x330:
609                         mpu_port_bits = 0x00;
610                         break;
611                 default:
612                         snd_printk("MPU-401 port 0x%lx not valid\n",
613                                 chip->mpu_port);
614                         goto __skip_mpu;
615                 }
616
617                 switch (chip->mpu_irq) {
618                 case 5:
619                         mpu_irq_bits = 0x02;
620                         break;
621                 case 7:
622                         mpu_irq_bits = 0x03;
623                         break;
624                 case 9:
625                         mpu_irq_bits = 0x00;
626                         break;
627                 case 10:
628                         mpu_irq_bits = 0x01;
629                         break;
630                 default:
631                         snd_printk("MPU-401 irq # %d not valid\n",
632                                 chip->mpu_irq);
633                         goto __skip_mpu;
634                 }
635
636                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
637                         (chip->mpu_port <= 0) ? 0x00 :
638                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
639                         0xf8);
640         }
641 __skip_mpu:
642
643         return 0;
644 }
645
646 #ifdef OPTi93X
647
648 static unsigned char snd_opti93x_default_image[32] =
649 {
650         0x00,           /* 00/00 - l_mixout_outctrl */
651         0x00,           /* 01/01 - r_mixout_outctrl */
652         0x88,           /* 02/02 - l_cd_inctrl */
653         0x88,           /* 03/03 - r_cd_inctrl */
654         0x88,           /* 04/04 - l_a1/fm_inctrl */
655         0x88,           /* 05/05 - r_a1/fm_inctrl */
656         0x80,           /* 06/06 - l_dac_inctrl */
657         0x80,           /* 07/07 - r_dac_inctrl */
658         0x00,           /* 08/08 - ply_dataform_reg */
659         0x00,           /* 09/09 - if_conf */
660         0x00,           /* 0a/10 - pin_ctrl */
661         0x00,           /* 0b/11 - err_init_reg */
662         0x0a,           /* 0c/12 - id_reg */
663         0x00,           /* 0d/13 - reserved */
664         0x00,           /* 0e/14 - ply_upcount_reg */
665         0x00,           /* 0f/15 - ply_lowcount_reg */
666         0x88,           /* 10/16 - reserved/l_a1_inctrl */
667         0x88,           /* 11/17 - reserved/r_a1_inctrl */
668         0x88,           /* 12/18 - l_line_inctrl */
669         0x88,           /* 13/19 - r_line_inctrl */
670         0x88,           /* 14/20 - l_mic_inctrl */
671         0x88,           /* 15/21 - r_mic_inctrl */
672         0x80,           /* 16/22 - l_out_outctrl */
673         0x80,           /* 17/23 - r_out_outctrl */
674         0x00,           /* 18/24 - reserved */
675         0x00,           /* 19/25 - reserved */
676         0x00,           /* 1a/26 - reserved */
677         0x00,           /* 1b/27 - reserved */
678         0x00,           /* 1c/28 - cap_dataform_reg */
679         0x00,           /* 1d/29 - reserved */
680         0x00,           /* 1e/30 - cap_upcount_reg */
681         0x00            /* 1f/31 - cap_lowcount_reg */
682 };
683
684
685 static int snd_opti93x_busy_wait(struct snd_opti93x *chip)
686 {
687         int timeout;
688
689         for (timeout = 250; timeout-- > 0; udelay(10))
690                 if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_INIT))
691                         return 0;
692
693         snd_printk("chip still busy.\n");
694         return -EBUSY;
695 }
696
697 static unsigned char snd_opti93x_in(struct snd_opti93x *chip, unsigned char reg)
698 {
699         snd_opti93x_busy_wait(chip);
700         outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
701         return inb(OPTi93X_PORT(chip, DATA));
702 }
703
704 static void snd_opti93x_out(struct snd_opti93x *chip, unsigned char reg,
705                             unsigned char value)
706 {
707         snd_opti93x_busy_wait(chip);
708         outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
709         outb(value, OPTi93X_PORT(chip, DATA));
710 }
711
712 static void snd_opti93x_out_image(struct snd_opti93x *chip, unsigned char reg,
713                                   unsigned char value)
714 {
715         snd_opti93x_out(chip, reg, chip->image[reg] = value);
716 }
717
718 static void snd_opti93x_out_mask(struct snd_opti93x *chip, unsigned char reg,
719                                  unsigned char mask, unsigned char value)
720 {
721         snd_opti93x_out_image(chip, reg,
722                 (chip->image[reg] & ~mask) | (value & mask));
723 }
724
725
726 static void snd_opti93x_mce_up(struct snd_opti93x *chip)
727 {
728         snd_opti93x_busy_wait(chip);
729
730         chip->mce_bit = OPTi93X_MCE;
731         if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE))
732                 outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
733 }
734
735 static void snd_opti93x_mce_down(struct snd_opti93x *chip)
736 {
737         snd_opti93x_busy_wait(chip);
738
739         chip->mce_bit = 0;
740         if (inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE)
741                 outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
742 }
743
744 #define snd_opti93x_mute_reg(chip, reg, mute)   \
745         snd_opti93x_out(chip, reg, mute ? 0x80 : chip->image[reg]);
746
747 static void snd_opti93x_mute(struct snd_opti93x *chip, int mute)
748 {
749         mute = mute ? 1 : 0;
750         if (chip->mute == mute)
751                 return;
752
753         chip->mute = mute;
754
755         snd_opti93x_mute_reg(chip, OPTi93X_CD_LEFT_INPUT, mute);
756         snd_opti93x_mute_reg(chip, OPTi93X_CD_RIGHT_INPUT, mute);
757         switch (chip->hardware) {
758         case OPTi9XX_HW_82C930:
759                 snd_opti93x_mute_reg(chip, OPTi930_AUX_LEFT_INPUT, mute);
760                 snd_opti93x_mute_reg(chip, OPTi930_AUX_RIGHT_INPUT, mute);
761                 break;
762         case OPTi9XX_HW_82C931:
763         case OPTi9XX_HW_82C933:
764                 snd_opti93x_mute_reg(chip, OPTi931_FM_LEFT_INPUT, mute);
765                 snd_opti93x_mute_reg(chip, OPTi931_FM_RIGHT_INPUT, mute);
766                 snd_opti93x_mute_reg(chip, OPTi931_AUX_LEFT_INPUT, mute);
767                 snd_opti93x_mute_reg(chip, OPTi931_AUX_RIGHT_INPUT, mute);
768         }
769         snd_opti93x_mute_reg(chip, OPTi93X_DAC_LEFT, mute);
770         snd_opti93x_mute_reg(chip, OPTi93X_DAC_RIGHT, mute);
771         snd_opti93x_mute_reg(chip, OPTi93X_LINE_LEFT_INPUT, mute);
772         snd_opti93x_mute_reg(chip, OPTi93X_LINE_RIGHT_INPUT, mute);
773         snd_opti93x_mute_reg(chip, OPTi93X_MIC_LEFT_INPUT, mute);
774         snd_opti93x_mute_reg(chip, OPTi93X_MIC_RIGHT_INPUT, mute);
775         snd_opti93x_mute_reg(chip, OPTi93X_OUT_LEFT, mute);
776         snd_opti93x_mute_reg(chip, OPTi93X_OUT_RIGHT, mute);
777 }
778
779
780 static unsigned int snd_opti93x_get_count(unsigned char format,
781                                           unsigned int size)
782 {
783         switch (format & 0xe0) {
784         case OPTi93X_LINEAR_16_LIT:
785         case OPTi93X_LINEAR_16_BIG:
786                 size >>= 1;
787                 break;
788         case OPTi93X_ADPCM_16:
789                 return size >> 2;
790         }
791         return (format & OPTi93X_STEREO) ? (size >> 1) : size;
792 }
793
794 static unsigned int rates[] = {  5512,  6615,  8000,  9600, 11025, 16000, 
795                                 18900, 22050, 27428, 32000, 33075, 37800,
796                                 44100, 48000 };
797 #define RATES ARRAY_SIZE(rates)
798
799 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
800         .count = RATES,
801         .list = rates,
802         .mask = 0,
803 };
804
805 static unsigned char bits[] = {  0x01,  0x0f,  0x00,  0x0e,  0x03,  0x02,
806                                  0x05,  0x07,  0x04,  0x06,  0x0d,  0x09,
807                                  0x0b,  0x0c};
808
809 static unsigned char snd_opti93x_get_freq(unsigned int rate)
810 {
811         unsigned int i;
812
813         for (i = 0; i < RATES; i++) {
814                 if (rate == rates[i])
815                         return bits[i];
816         }
817         snd_BUG();
818         return bits[RATES-1];
819 }
820
821 static unsigned char snd_opti93x_get_format(struct snd_opti93x *chip,
822                                             unsigned int format, int channels)
823 {
824         unsigned char retval = OPTi93X_LINEAR_8;
825
826         switch (format) {
827         case SNDRV_PCM_FORMAT_MU_LAW:
828                 retval = OPTi93X_ULAW_8;
829                 break;
830         case SNDRV_PCM_FORMAT_A_LAW:
831                 retval = OPTi93X_ALAW_8;
832                 break;
833         case SNDRV_PCM_FORMAT_S16_LE:
834                 retval = OPTi93X_LINEAR_16_LIT;
835                 break;
836         case SNDRV_PCM_FORMAT_S16_BE:
837                 retval = OPTi93X_LINEAR_16_BIG;
838                 break;
839         case SNDRV_PCM_FORMAT_IMA_ADPCM:
840                 retval = OPTi93X_ADPCM_16;
841         }
842         return (channels > 1) ? (retval | OPTi93X_STEREO) : retval;
843 }
844
845
846 static void snd_opti93x_playback_format(struct snd_opti93x *chip, unsigned char fmt)
847 {
848         unsigned char mask;
849
850         snd_opti93x_mute(chip, 1);
851
852         snd_opti93x_mce_up(chip);
853         mask = (chip->mode & OPTi93X_MODE_CAPTURE) ? 0xf0 : 0xff;
854         snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, mask, fmt);
855         snd_opti93x_mce_down(chip);
856
857         snd_opti93x_mute(chip, 0);
858 }
859
860 static void snd_opti93x_capture_format(struct snd_opti93x *chip, unsigned char fmt)
861 {
862         snd_opti93x_mute(chip, 1);
863
864         snd_opti93x_mce_up(chip);
865         if (!(chip->mode & OPTi93X_MODE_PLAY))
866                 snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, 0x0f, fmt);
867         else
868                 fmt = chip->image[OPTi93X_PLAY_FORMAT] & 0xf0;
869         snd_opti93x_out_image(chip, OPTi93X_CAPT_FORMAT, fmt);
870         snd_opti93x_mce_down(chip);
871
872         snd_opti93x_mute(chip, 0);
873 }
874
875
876 static int snd_opti93x_open(struct snd_opti93x *chip, unsigned int mode)
877 {
878         unsigned long flags;
879
880         spin_lock_irqsave(&chip->lock, flags);
881
882         if (chip->mode & mode) {
883                 spin_unlock_irqrestore(&chip->lock, flags);
884                 return -EAGAIN;
885         }
886
887         if (!(chip->mode & OPTi93X_MODE_OPEN)) {
888                 outb(0x00, OPTi93X_PORT(chip, STATUS));
889                 snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL,
890                         OPTi93X_IRQ_ENABLE, OPTi93X_IRQ_ENABLE);
891                 chip->mode = mode;
892         }
893         else
894                 chip->mode |= mode;
895
896         spin_unlock_irqrestore(&chip->lock, flags);
897         return 0;
898 }
899
900 static void snd_opti93x_close(struct snd_opti93x *chip, unsigned int mode)
901 {
902         unsigned long flags;
903
904         spin_lock_irqsave(&chip->lock, flags);
905
906         chip->mode &= ~mode;
907         if (chip->mode & OPTi93X_MODE_OPEN) {
908                 spin_unlock_irqrestore(&chip->lock, flags);
909                 return;
910         }
911
912         snd_opti93x_mute(chip, 1);
913
914         outb(0, OPTi93X_PORT(chip, STATUS));
915         snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL, OPTi93X_IRQ_ENABLE,
916                 ~OPTi93X_IRQ_ENABLE);
917
918         snd_opti93x_mce_up(chip);
919         snd_opti93x_out_image(chip, OPTi93X_IFACE_CONF, 0x00);
920         snd_opti93x_mce_down(chip);
921         chip->mode = 0;
922
923         snd_opti93x_mute(chip, 0);
924         spin_unlock_irqrestore(&chip->lock, flags);
925 }
926
927 static int snd_opti93x_trigger(struct snd_pcm_substream *substream, 
928                                unsigned char what, int cmd)
929 {
930         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
931
932         switch (cmd) {
933         case SNDRV_PCM_TRIGGER_START:
934         case SNDRV_PCM_TRIGGER_STOP:
935         {
936                 unsigned int what = 0;
937                 struct list_head *pos;
938                 struct snd_pcm_substream *s;
939                 snd_pcm_group_for_each(pos, substream) {
940                         s = snd_pcm_group_substream_entry(pos);
941                         if (s == chip->playback_substream) {
942                                 what |= OPTi93X_PLAYBACK_ENABLE;
943                                 snd_pcm_trigger_done(s, substream);
944                         } else if (s == chip->capture_substream) {
945                                 what |= OPTi93X_CAPTURE_ENABLE;
946                                 snd_pcm_trigger_done(s, substream);
947                         }
948                 }
949                 spin_lock(&chip->lock);
950                 if (cmd == SNDRV_PCM_TRIGGER_START) {
951                         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, what);
952                         if (what & OPTi93X_CAPTURE_ENABLE)
953                                 udelay(50);
954                 } else
955                         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, 0x00);
956                 spin_unlock(&chip->lock);
957                 break;
958         }
959         default:
960                 return -EINVAL;
961         }
962         return 0;
963 }
964
965 static int snd_opti93x_playback_trigger(struct snd_pcm_substream *substream, int cmd)
966 {
967         return snd_opti93x_trigger(substream,
968                                    OPTi93X_PLAYBACK_ENABLE, cmd);
969 }
970
971 static int snd_opti93x_capture_trigger(struct snd_pcm_substream *substream, int cmd)
972 {
973         return snd_opti93x_trigger(substream,
974                                    OPTi93X_CAPTURE_ENABLE, cmd);
975 }
976
977 static int snd_opti93x_hw_params(struct snd_pcm_substream *substream,
978                                  struct snd_pcm_hw_params *hw_params)
979 {
980         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
981 }
982
983
984 static int snd_opti93x_hw_free(struct snd_pcm_substream *substream)
985 {
986         snd_pcm_lib_free_pages(substream);
987         return 0;
988 }
989
990
991 static int snd_opti93x_playback_prepare(struct snd_pcm_substream *substream)
992 {
993         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
994         struct snd_pcm_runtime *runtime = substream->runtime;
995         unsigned long flags;
996         unsigned char format;
997         unsigned int count = snd_pcm_lib_period_bytes(substream);
998         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
999
1000         spin_lock_irqsave(&chip->lock, flags);
1001
1002         chip->p_dma_size = size;
1003         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1004                 OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO,
1005                 ~(OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO));
1006
1007         snd_dma_program(chip->dma1, runtime->dma_addr, size,
1008                 DMA_MODE_WRITE | DMA_AUTOINIT);
1009
1010         format = snd_opti93x_get_freq(runtime->rate);
1011         format |= snd_opti93x_get_format(chip, runtime->format,
1012                 runtime->channels);
1013         snd_opti93x_playback_format(chip, format);
1014         format = chip->image[OPTi93X_PLAY_FORMAT];
1015
1016         count = snd_opti93x_get_count(format, count) - 1;
1017         snd_opti93x_out_image(chip, OPTi93X_PLAY_LWR_CNT, count);
1018         snd_opti93x_out_image(chip, OPTi93X_PLAY_UPR_CNT, count >> 8);
1019
1020         spin_unlock_irqrestore(&chip->lock, flags);
1021         return 0;
1022 }
1023
1024 static int snd_opti93x_capture_prepare(struct snd_pcm_substream *substream)
1025 {
1026         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1027         struct snd_pcm_runtime *runtime = substream->runtime;
1028         unsigned long flags;
1029         unsigned char format;
1030         unsigned int count = snd_pcm_lib_period_bytes(substream);
1031         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1032
1033         spin_lock_irqsave(&chip->lock, flags);
1034
1035         chip->c_dma_size = size;
1036         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1037                 OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO, 0);
1038
1039         snd_dma_program(chip->dma2, runtime->dma_addr, size,
1040                 DMA_MODE_READ | DMA_AUTOINIT);
1041
1042         format = snd_opti93x_get_freq(runtime->rate);
1043         format |= snd_opti93x_get_format(chip, runtime->format,
1044                 runtime->channels);
1045         snd_opti93x_capture_format(chip, format);
1046         format = chip->image[OPTi93X_CAPT_FORMAT];
1047
1048         count = snd_opti93x_get_count(format, count) - 1;
1049         snd_opti93x_out_image(chip, OPTi93X_CAPT_LWR_CNT, count);
1050         snd_opti93x_out_image(chip, OPTi93X_CAPT_UPR_CNT, count >> 8);
1051
1052         spin_unlock_irqrestore(&chip->lock, flags);
1053         return 0;
1054 }
1055
1056 static snd_pcm_uframes_t snd_opti93x_playback_pointer(struct snd_pcm_substream *substream)
1057 {
1058         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1059         size_t ptr;
1060
1061         if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_PLAYBACK_ENABLE))
1062                 return 0;
1063
1064         ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
1065         return bytes_to_frames(substream->runtime, ptr);
1066 }
1067
1068 static snd_pcm_uframes_t snd_opti93x_capture_pointer(struct snd_pcm_substream *substream)
1069 {
1070         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1071         size_t ptr;
1072         
1073         if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_CAPTURE_ENABLE))
1074                 return 0;
1075
1076         ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
1077         return bytes_to_frames(substream->runtime, ptr);
1078 }
1079
1080
1081 static void snd_opti93x_overrange(struct snd_opti93x *chip)
1082 {
1083         unsigned long flags;
1084
1085         spin_lock_irqsave(&chip->lock, flags);
1086
1087         if (snd_opti93x_in(chip, OPTi93X_ERR_INIT) & (0x08 | 0x02))
1088                 chip->capture_substream->runtime->overrange++;
1089
1090         spin_unlock_irqrestore(&chip->lock, flags);
1091 }
1092
1093 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1094 {
1095         struct snd_opti93x *codec = dev_id;
1096         unsigned char status;
1097
1098         status = snd_opti9xx_read(codec->chip, OPTi9XX_MC_REG(11));
1099         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
1100                 snd_pcm_period_elapsed(codec->playback_substream);
1101         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
1102                 snd_opti93x_overrange(codec);
1103                 snd_pcm_period_elapsed(codec->capture_substream);
1104         }
1105         outb(0x00, OPTi93X_PORT(codec, STATUS));
1106         return IRQ_HANDLED;
1107 }
1108
1109
1110 static struct snd_pcm_hardware snd_opti93x_playback = {
1111         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1112                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1113         .formats =              (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1114                                  SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1115         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1116         .rate_min =             5512,
1117         .rate_max =             48000,
1118         .channels_min =         1,
1119         .channels_max =         2,
1120         .buffer_bytes_max =     (128*1024),
1121         .period_bytes_min =     64,
1122         .period_bytes_max =     (128*1024),
1123         .periods_min =          1,
1124         .periods_max =          1024,
1125         .fifo_size =            0,
1126 };
1127
1128 static struct snd_pcm_hardware snd_opti93x_capture = {
1129         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1130                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1131         .formats =              (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1132                                  SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1133         .rates =                SNDRV_PCM_RATE_8000_48000,
1134         .rate_min =             5512,
1135         .rate_max =             48000,
1136         .channels_min =         1,
1137         .channels_max =         2,
1138         .buffer_bytes_max =     (128*1024),
1139         .period_bytes_min =     64,
1140         .period_bytes_max =     (128*1024),
1141         .periods_min =          1,
1142         .periods_max =          1024,
1143         .fifo_size =            0,
1144 };
1145
1146 static int snd_opti93x_playback_open(struct snd_pcm_substream *substream)
1147 {
1148         int error;
1149         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1150         struct snd_pcm_runtime *runtime = substream->runtime;
1151
1152         if ((error = snd_opti93x_open(chip, OPTi93X_MODE_PLAY)) < 0)
1153                 return error;
1154         snd_pcm_set_sync(substream);
1155         chip->playback_substream = substream;
1156         runtime->hw = snd_opti93x_playback;
1157         snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
1158         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1159         return error;
1160 }
1161
1162 static int snd_opti93x_capture_open(struct snd_pcm_substream *substream)
1163 {
1164         int error;
1165         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1166         struct snd_pcm_runtime *runtime = substream->runtime;
1167
1168         if ((error = snd_opti93x_open(chip, OPTi93X_MODE_CAPTURE)) < 0)
1169                 return error;
1170         runtime->hw = snd_opti93x_capture;
1171         snd_pcm_set_sync(substream);
1172         chip->capture_substream = substream;
1173         snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
1174         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1175         return error;
1176 }
1177
1178 static int snd_opti93x_playback_close(struct snd_pcm_substream *substream)
1179 {
1180         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1181
1182         chip->playback_substream = NULL;
1183         snd_opti93x_close(chip, OPTi93X_MODE_PLAY);
1184         return 0;
1185 }
1186
1187 static int snd_opti93x_capture_close(struct snd_pcm_substream *substream)
1188 {
1189         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1190
1191         chip->capture_substream = NULL;
1192         snd_opti93x_close(chip, OPTi93X_MODE_CAPTURE);
1193         return 0;
1194 }
1195
1196
1197 static void snd_opti93x_init(struct snd_opti93x *chip)
1198 {
1199         unsigned long flags;
1200         int i;
1201
1202         spin_lock_irqsave(&chip->lock, flags);
1203         snd_opti93x_mce_up(chip);
1204
1205         for (i = 0; i < 32; i++)
1206                 snd_opti93x_out_image(chip, i, snd_opti93x_default_image[i]);
1207
1208         snd_opti93x_mce_down(chip);
1209         spin_unlock_irqrestore(&chip->lock, flags);
1210 }
1211
1212 static int snd_opti93x_probe(struct snd_opti93x *chip)
1213 {
1214         unsigned long flags;
1215         unsigned char val;
1216
1217         spin_lock_irqsave(&chip->lock, flags);
1218         val = snd_opti93x_in(chip, OPTi93X_ID) & 0x0f;
1219         spin_unlock_irqrestore(&chip->lock, flags);
1220
1221         return (val == 0x0a) ? 0 : -ENODEV;
1222 }
1223
1224 static int snd_opti93x_free(struct snd_opti93x *chip)
1225 {
1226         release_and_free_resource(chip->res_port);
1227         if (chip->dma1 >= 0) {
1228                 disable_dma(chip->dma1);
1229                 free_dma(chip->dma1);
1230         }
1231         if (chip->dma2 >= 0) {
1232                 disable_dma(chip->dma2);
1233                 free_dma(chip->dma2);
1234         }
1235         if (chip->irq >= 0) {
1236           free_irq(chip->irq, chip);
1237         }
1238         kfree(chip);
1239         return 0;
1240 }
1241
1242 static int snd_opti93x_dev_free(struct snd_device *device)
1243 {
1244         struct snd_opti93x *chip = device->device_data;
1245         return snd_opti93x_free(chip);
1246 }
1247
1248 static const char *snd_opti93x_chip_id(struct snd_opti93x *codec)
1249 {
1250         switch (codec->hardware) {
1251         case OPTi9XX_HW_82C930: return "82C930";
1252         case OPTi9XX_HW_82C931: return "82C931";
1253         case OPTi9XX_HW_82C933: return "82C933";
1254         default:                return "???";
1255         }
1256 }
1257
1258 static int snd_opti93x_create(struct snd_card *card, struct snd_opti9xx *chip,
1259                               int dma1, int dma2,
1260                               struct snd_opti93x **rcodec)
1261 {
1262         static struct snd_device_ops ops = {
1263                 .dev_free =     snd_opti93x_dev_free,
1264         };
1265         int error;
1266         struct snd_opti93x *codec;
1267
1268         *rcodec = NULL;
1269         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1270         if (codec == NULL)
1271                 return -ENOMEM;
1272         codec->irq = -1;
1273         codec->dma1 = -1;
1274         codec->dma2 = -1;
1275
1276         if ((codec->res_port = request_region(chip->wss_base + 4, 4, "OPTI93x CODEC")) == NULL) {
1277                 snd_printk(KERN_ERR "opti9xx: can't grab port 0x%lx\n", chip->wss_base + 4);
1278                 snd_opti93x_free(codec);
1279                 return -EBUSY;
1280         }
1281         if (request_dma(dma1, "OPTI93x - 1")) {
1282                 snd_printk(KERN_ERR "opti9xx: can't grab DMA1 %d\n", dma1);
1283                 snd_opti93x_free(codec);
1284                 return -EBUSY;
1285         }
1286         codec->dma1 = chip->dma1;
1287         if (request_dma(dma2, "OPTI93x - 2")) {
1288                 snd_printk(KERN_ERR "opti9xx: can't grab DMA2 %d\n", dma2);
1289                 snd_opti93x_free(codec);
1290                 return -EBUSY;
1291         }
1292         codec->dma2 = chip->dma2;
1293
1294         if (request_irq(chip->irq, snd_opti93x_interrupt, SA_INTERRUPT, DRIVER_NAME" - WSS", codec)) {
1295                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
1296                 snd_opti93x_free(codec);
1297                 return -EBUSY;
1298         }
1299
1300         codec->card = card;
1301         codec->port = chip->wss_base + 4;
1302         codec->irq = chip->irq;
1303
1304         spin_lock_init(&codec->lock);
1305         codec->hardware = chip->hardware;
1306         codec->chip = chip;
1307
1308         if ((error = snd_opti93x_probe(codec))) {
1309                 snd_opti93x_free(codec);
1310                 return error;
1311         }
1312
1313         snd_opti93x_init(codec);
1314
1315         /* Register device */
1316         if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
1317                 snd_opti93x_free(codec);
1318                 return error;
1319         }
1320
1321         *rcodec = codec;
1322         return 0;
1323 }
1324
1325 static struct snd_pcm_ops snd_opti93x_playback_ops = {
1326         .open =         snd_opti93x_playback_open,
1327         .close =        snd_opti93x_playback_close,
1328         .ioctl =        snd_pcm_lib_ioctl,
1329         .hw_params =    snd_opti93x_hw_params,
1330         .hw_free =      snd_opti93x_hw_free,
1331         .prepare =      snd_opti93x_playback_prepare,
1332         .trigger =      snd_opti93x_playback_trigger,
1333         .pointer =      snd_opti93x_playback_pointer,
1334 };
1335
1336 static struct snd_pcm_ops snd_opti93x_capture_ops = {
1337         .open =         snd_opti93x_capture_open,
1338         .close =        snd_opti93x_capture_close,
1339         .ioctl =        snd_pcm_lib_ioctl,
1340         .hw_params =    snd_opti93x_hw_params,
1341         .hw_free =      snd_opti93x_hw_free,
1342         .prepare =      snd_opti93x_capture_prepare,
1343         .trigger =      snd_opti93x_capture_trigger,
1344         .pointer =      snd_opti93x_capture_pointer,
1345 };
1346
1347 static int snd_opti93x_pcm(struct snd_opti93x *codec, int device, struct snd_pcm **rpcm)
1348 {
1349         int error;
1350         struct snd_pcm *pcm;
1351
1352         if ((error = snd_pcm_new(codec->card, "OPTi 82C93X", device, 1, 1, &pcm)) < 0)
1353                 return error;
1354
1355         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_opti93x_playback_ops);
1356         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_opti93x_capture_ops);
1357
1358         pcm->private_data = codec;
1359         pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1360
1361         strcpy(pcm->name, snd_opti93x_chip_id(codec));
1362
1363         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1364                                               snd_dma_isa_data(),
1365                                               64*1024, codec->dma1 > 3 || codec->dma2 > 3 ? 128*1024 : 64*1024);
1366
1367         codec->pcm = pcm;
1368         if (rpcm)
1369                 *rpcm = pcm;
1370         return 0;
1371 }
1372
1373 /*
1374  *  MIXER part
1375  */
1376
1377 static int snd_opti93x_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1378 {
1379         static char *texts[4] = {
1380                 "Line1", "Aux", "Mic", "Mix"
1381         };
1382
1383         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1384         uinfo->count = 2;
1385         uinfo->value.enumerated.items = 4;
1386         if (uinfo->value.enumerated.item > 3)
1387                 uinfo->value.enumerated.item = 3;
1388         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1389         return 0;
1390 }
1391
1392 static int snd_opti93x_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1393 {
1394         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1395         unsigned long flags;
1396         
1397         spin_lock_irqsave(&chip->lock, flags);
1398         ucontrol->value.enumerated.item[0] = (chip->image[OPTi93X_MIXOUT_LEFT] & OPTi93X_MIXOUT_MIXER) >> 6;
1399         ucontrol->value.enumerated.item[1] = (chip->image[OPTi93X_MIXOUT_RIGHT] & OPTi93X_MIXOUT_MIXER) >> 6;
1400         spin_unlock_irqrestore(&chip->lock, flags);
1401         return 0;
1402 }
1403
1404 static int snd_opti93x_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1405 {
1406         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1407         unsigned long flags;
1408         unsigned short left, right;
1409         int change;
1410         
1411         if (ucontrol->value.enumerated.item[0] > 3 ||
1412             ucontrol->value.enumerated.item[1] > 3)
1413                 return -EINVAL;
1414         left = ucontrol->value.enumerated.item[0] << 6;
1415         right = ucontrol->value.enumerated.item[1] << 6;
1416         spin_lock_irqsave(&chip->lock, flags);
1417         left = (chip->image[OPTi93X_MIXOUT_LEFT] & ~OPTi93X_MIXOUT_MIXER) | left;
1418         right = (chip->image[OPTi93X_MIXOUT_RIGHT] & ~OPTi93X_MIXOUT_MIXER) | right;
1419         change = left != chip->image[OPTi93X_MIXOUT_LEFT] ||
1420                  right != chip->image[OPTi93X_MIXOUT_RIGHT];
1421         snd_opti93x_out_image(chip, OPTi93X_MIXOUT_LEFT, left);
1422         snd_opti93x_out_image(chip, OPTi93X_MIXOUT_RIGHT, right);
1423         spin_unlock_irqrestore(&chip->lock, flags);
1424         return change;
1425 }
1426
1427 #if 0
1428
1429 #define OPTi93X_SINGLE(xname, xindex, reg, shift, mask, invert) \
1430 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1431   .info = snd_opti93x_info_single, \
1432   .get = snd_opti93x_get_single, .put = snd_opti93x_put_single, \
1433   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1434
1435 static int snd_opti93x_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1436 {
1437         int mask = (kcontrol->private_value >> 16) & 0xff;
1438
1439         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1440         uinfo->count = 1;
1441         uinfo->value.integer.min = 0;
1442         uinfo->value.integer.max = mask;
1443         return 0;
1444 }
1445
1446 static int snd_opti93x_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1447 {
1448         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1449         unsigned long flags;
1450         int reg = kcontrol->private_value & 0xff;
1451         int shift = (kcontrol->private_value >> 8) & 0xff;
1452         int mask = (kcontrol->private_value >> 16) & 0xff;
1453         int invert = (kcontrol->private_value >> 24) & 0xff;
1454         
1455         spin_lock_irqsave(&chip->lock, flags);
1456         ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
1457         spin_unlock_irqrestore(&chip->lock, flags);
1458         if (invert)
1459                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1460         return 0;
1461 }
1462
1463 static int snd_opti93x_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1464 {
1465         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1466         unsigned long flags;
1467         int reg = kcontrol->private_value & 0xff;
1468         int shift = (kcontrol->private_value >> 8) & 0xff;
1469         int mask = (kcontrol->private_value >> 16) & 0xff;
1470         int invert = (kcontrol->private_value >> 24) & 0xff;
1471         int change;
1472         unsigned short val;
1473         
1474         val = (ucontrol->value.integer.value[0] & mask);
1475         if (invert)
1476                 val = mask - val;
1477         val <<= shift;
1478         spin_lock_irqsave(&chip->lock, flags);
1479         val = (chip->image[reg] & ~(mask << shift)) | val;
1480         change = val != chip->image[reg];
1481         snd_opti93x_out(chip, reg, val);
1482         spin_unlock_irqrestore(&chip->lock, flags);
1483         return change;
1484 }
1485
1486 #endif /* single */
1487
1488 #define OPTi93X_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1489 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1490   .info = snd_opti93x_info_double, \
1491   .get = snd_opti93x_get_double, .put = snd_opti93x_put_double, \
1492   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1493
1494 #define OPTi93X_DOUBLE_INVERT_INVERT(xctl) \
1495         do { xctl.private_value ^= 22; } while (0)
1496 #define OPTi93X_DOUBLE_CHANGE_REGS(xctl, left_reg, right_reg) \
1497         do { xctl.private_value &= ~0x0000ffff; \
1498              xctl.private_value |= left_reg | (right_reg << 8); } while (0)
1499
1500 static int snd_opti93x_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1501 {
1502         int mask = (kcontrol->private_value >> 24) & 0xff;
1503
1504         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1505         uinfo->count = 2;
1506         uinfo->value.integer.min = 0;
1507         uinfo->value.integer.max = mask;
1508         return 0;
1509 }
1510
1511 static int snd_opti93x_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1512 {
1513         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1514         unsigned long flags;
1515         int left_reg = kcontrol->private_value & 0xff;
1516         int right_reg = (kcontrol->private_value >> 8) & 0xff;
1517         int shift_left = (kcontrol->private_value >> 16) & 0x07;
1518         int shift_right = (kcontrol->private_value >> 19) & 0x07;
1519         int mask = (kcontrol->private_value >> 24) & 0xff;
1520         int invert = (kcontrol->private_value >> 22) & 1;
1521         
1522         spin_lock_irqsave(&chip->lock, flags);
1523         ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
1524         ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask;
1525         spin_unlock_irqrestore(&chip->lock, flags);
1526         if (invert) {
1527                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1528                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1529         }
1530         return 0;
1531 }
1532
1533 static int snd_opti93x_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1534 {
1535         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1536         unsigned long flags;
1537         int left_reg = kcontrol->private_value & 0xff;
1538         int right_reg = (kcontrol->private_value >> 8) & 0xff;
1539         int shift_left = (kcontrol->private_value >> 16) & 0x07;
1540         int shift_right = (kcontrol->private_value >> 19) & 0x07;
1541         int mask = (kcontrol->private_value >> 24) & 0xff;
1542         int invert = (kcontrol->private_value >> 22) & 1;
1543         int change;
1544         unsigned short val1, val2;
1545         
1546         val1 = ucontrol->value.integer.value[0] & mask;
1547         val2 = ucontrol->value.integer.value[1] & mask;
1548         if (invert) {
1549                 val1 = mask - val1;
1550                 val2 = mask - val2;
1551         }
1552         val1 <<= shift_left;
1553         val2 <<= shift_right;
1554         spin_lock_irqsave(&chip->lock, flags);
1555         val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
1556         val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
1557         change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
1558         snd_opti93x_out_image(chip, left_reg, val1);
1559         snd_opti93x_out_image(chip, right_reg, val2);
1560         spin_unlock_irqrestore(&chip->lock, flags);
1561         return change;
1562 }
1563
1564 static struct snd_kcontrol_new snd_opti93x_controls[] = {
1565 OPTi93X_DOUBLE("Master Playback Switch", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
1566 OPTi93X_DOUBLE("Master Playback Volume", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1), 
1567 OPTi93X_DOUBLE("PCM Playback Switch", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 7, 7, 1, 1),
1568 OPTi93X_DOUBLE("PCM Playback Volume", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 0, 0, 31, 1),
1569 OPTi93X_DOUBLE("FM Playback Switch", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 7, 7, 1, 1),
1570 OPTi93X_DOUBLE("FM Playback Volume", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 1, 1, 15, 1),
1571 OPTi93X_DOUBLE("Line Playback Switch", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 7, 7, 1, 1),
1572 OPTi93X_DOUBLE("Line Playback Volume", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 1, 1, 15, 1), 
1573 OPTi93X_DOUBLE("Mic Playback Switch", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
1574 OPTi93X_DOUBLE("Mic Playback Volume", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1), 
1575 OPTi93X_DOUBLE("Mic Boost", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 5, 5, 1, 1),
1576 OPTi93X_DOUBLE("CD Playback Switch", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 7, 7, 1, 1),
1577 OPTi93X_DOUBLE("CD Playback Volume", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 1, 1, 15, 1),
1578 OPTi93X_DOUBLE("Aux Playback Switch", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
1579 OPTi93X_DOUBLE("Aux Playback Volume", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1), 
1580 OPTi93X_DOUBLE("Capture Volume", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 0, 0, 15, 0),
1581 {
1582         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1583         .name = "Capture Source",
1584         .info = snd_opti93x_info_mux,
1585         .get = snd_opti93x_get_mux,
1586         .put = snd_opti93x_put_mux,
1587 }
1588 };
1589                                         
1590 static int snd_opti93x_mixer(struct snd_opti93x *chip)
1591 {
1592         struct snd_card *card;
1593         struct snd_kcontrol_new knew;
1594         int err;
1595         unsigned int idx;
1596
1597         snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
1598
1599         card = chip->card;
1600
1601         strcpy(card->mixername, snd_opti93x_chip_id(chip));
1602
1603         for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
1604                 knew = snd_opti93x_controls[idx];
1605                 if (chip->hardware == OPTi9XX_HW_82C930) {
1606                         if (strstr(knew.name, "FM"))    /* skip FM controls */
1607                                 continue;
1608                         else if (strcmp(knew.name, "Mic Playback Volume"))
1609                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1610                         else if (strstr(knew.name, "Aux"))
1611                                 OPTi93X_DOUBLE_CHANGE_REGS(knew, OPTi930_AUX_LEFT_INPUT, OPTi930_AUX_RIGHT_INPUT);
1612                         else if (strcmp(knew.name, "PCM Playback Volume"))
1613                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1614                         else if (strcmp(knew.name, "Master Playback Volume"))
1615                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1616                 }
1617                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], chip))) < 0)
1618                         return err;
1619         }
1620         return 0;
1621 }
1622
1623 #endif /* OPTi93X */
1624
1625 static int __init snd_card_opti9xx_detect(struct snd_card *card, struct snd_opti9xx *chip)
1626 {
1627         int i, err;
1628
1629 #ifndef OPTi93X
1630         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
1631                 unsigned char value;
1632
1633                 if ((err = snd_opti9xx_init(chip, i)) < 0)
1634                         return err;
1635
1636                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1637                         continue;
1638
1639                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
1640                 if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1641                         if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
1642                                 return 1;
1643
1644                 release_and_free_resource(chip->res_mc_base);
1645                 chip->res_mc_base = NULL;
1646
1647         }
1648 #else   /* OPTi93X */
1649         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
1650                 unsigned long flags;
1651                 unsigned char value;
1652
1653                 if ((err = snd_opti9xx_init(chip, i)) < 0)
1654                         return err;
1655
1656                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1657                         continue;
1658
1659                 spin_lock_irqsave(&chip->lock, flags);
1660                 outb(chip->password, chip->mc_base + chip->pwd_reg);
1661                 outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
1662                         ((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
1663                 spin_unlock_irqrestore(&chip->lock, flags);
1664
1665                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
1666                 snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
1667                 if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
1668                         return 1;
1669
1670                 release_and_free_resource(chip->res_mc_base);
1671                 chip->res_mc_base = NULL;
1672         }
1673 #endif  /* OPTi93X */
1674
1675         return -ENODEV;
1676 }
1677
1678 #ifdef CONFIG_PNP
1679 static int __init snd_card_opti9xx_pnp(struct snd_opti9xx *chip, struct pnp_card_link *card,
1680                                        const struct pnp_card_device_id *pid)
1681 {
1682         struct pnp_dev *pdev;
1683         struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
1684         int err;
1685
1686         chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
1687         if (chip->dev == NULL) {
1688                 kfree(cfg);
1689                 return -EBUSY;
1690         }
1691         chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
1692
1693         pdev = chip->dev;
1694         pnp_init_resource_table(cfg);
1695
1696 #ifdef OPTi93X
1697         if (port != SNDRV_AUTO_PORT)
1698                 pnp_resource_change(&cfg->port_resource[0], port + 4, 4);
1699 #else
1700         if (pid->driver_data != 0x0924 && port != SNDRV_AUTO_PORT)
1701                 pnp_resource_change(&cfg->port_resource[1], port, 4);
1702 #endif  /* OPTi93X */
1703         if (irq != SNDRV_AUTO_IRQ)
1704                 pnp_resource_change(&cfg->irq_resource[0], irq, 1);
1705         if (dma1 != SNDRV_AUTO_DMA)
1706                 pnp_resource_change(&cfg->dma_resource[0], dma1, 1);
1707 #if defined(CS4231) || defined(OPTi93X)
1708         if (dma2 != SNDRV_AUTO_DMA)
1709                 pnp_resource_change(&cfg->dma_resource[1], dma2, 1);
1710 #else
1711 #ifdef snd_opti9xx_fixup_dma2
1712         snd_opti9xx_fixup_dma2(pdev);
1713 #endif
1714 #endif  /* CS4231 || OPTi93X */
1715 #ifdef OPTi93X
1716         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1717                 pnp_resource_change(&cfg->port_resource[1], fm_port, 4);
1718 #else
1719         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1720                 pnp_resource_change(&cfg->port_resource[2], fm_port, 4);
1721 #endif
1722         if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1723                 snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1724         err = pnp_activate_dev(pdev);
1725         if (err < 0) {
1726                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
1727                 kfree(cfg);
1728                 return err;
1729         }
1730
1731 #ifdef OPTi93X
1732         port = pnp_port_start(pdev, 0) - 4;
1733         fm_port = pnp_port_start(pdev, 1);
1734 #else
1735         if (pid->driver_data != 0x0924)
1736                 port = pnp_port_start(pdev, 1);
1737         fm_port = pnp_port_start(pdev, 2);
1738 #endif  /* OPTi93X */
1739         irq = pnp_irq(pdev, 0);
1740         dma1 = pnp_dma(pdev, 0);
1741 #if defined(CS4231) || defined(OPTi93X)
1742         dma2 = pnp_dma(pdev, 1);
1743 #endif  /* CS4231 || OPTi93X */
1744
1745         pdev = chip->devmpu;
1746         if (pdev && mpu_port > 0) {
1747                 pnp_init_resource_table(cfg);
1748
1749                 if (mpu_port != SNDRV_AUTO_PORT)
1750                         pnp_resource_change(&cfg->port_resource[0], mpu_port, 2);
1751                 if (mpu_irq != SNDRV_AUTO_IRQ)
1752                         pnp_resource_change(&cfg->irq_resource[0], mpu_irq, 1);
1753
1754                 if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1755                         snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1756                 err = pnp_activate_dev(pdev);
1757                 if (err < 0) {
1758                         snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
1759                         mpu_port = -1;
1760                         chip->devmpu = NULL;
1761                 } else {
1762                         mpu_port = pnp_port_start(pdev, 0);
1763                         mpu_irq = pnp_irq(pdev, 0);
1764                 }
1765         }
1766         kfree(cfg);
1767         return pid->driver_data;
1768 }
1769 #endif  /* CONFIG_PNP */
1770
1771 static void snd_card_opti9xx_free(struct snd_card *card)
1772 {
1773         struct snd_opti9xx *chip = card->private_data;
1774         
1775         if (chip)
1776                 release_and_free_resource(chip->res_mc_base);
1777 }
1778
1779 static int __init snd_opti9xx_probe(struct snd_card *card)
1780 {
1781         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1782         int error;
1783         struct snd_opti9xx *chip = card->private_data;
1784 #if defined(OPTi93X)
1785         struct snd_opti93x *codec;
1786 #elif defined(CS4231)
1787         struct snd_cs4231 *codec;
1788         struct snd_timer *timer;
1789 #else
1790         struct snd_ad1848 *codec;
1791 #endif
1792         struct snd_pcm *pcm;
1793         struct snd_rawmidi *rmidi;
1794         struct snd_hwdep *synth;
1795
1796         if (! chip->res_mc_base &&
1797             (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
1798                                                 "OPTi9xx MC")) == NULL)
1799                 return -ENOMEM;
1800
1801         chip->wss_base = port;
1802         chip->fm_port = fm_port;
1803         chip->mpu_port = mpu_port;
1804         chip->irq = irq;
1805         chip->mpu_irq = mpu_irq;
1806         chip->dma1 = dma1;
1807 #if defined(CS4231) || defined(OPTi93X)
1808         chip->dma2 = dma2;
1809 #endif
1810
1811         if (chip->wss_base == SNDRV_AUTO_PORT) {
1812                 if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1813                         snd_printk("unable to find a free WSS port\n");
1814                         return -EBUSY;
1815                 }
1816         }
1817         if ((error = snd_opti9xx_configure(chip)))
1818                 return error;
1819
1820 #if defined(OPTi93X)
1821         if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec)))
1822                 return error;
1823         if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0)
1824                 return error;
1825         if ((error = snd_opti93x_mixer(codec)) < 0)
1826                 return error;
1827 #elif defined(CS4231)
1828         if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1,
1829                                        chip->irq, chip->dma1, chip->dma2,
1830                                        CS4231_HW_DETECT,
1831                                        0,
1832                                        &codec)) < 0)
1833                 return error;
1834         if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0)
1835                 return error;
1836         if ((error = snd_cs4231_mixer(codec)) < 0)
1837                 return error;
1838         if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0)
1839                 return error;
1840 #else
1841         if ((error = snd_ad1848_create(card, chip->wss_base + 4,
1842                                        chip->irq, chip->dma1,
1843                                        AD1848_HW_DETECT, &codec)) < 0)
1844                 return error;
1845         if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0)
1846                 return error;
1847         if ((error = snd_ad1848_mixer(codec)) < 0)
1848                 return error;
1849 #endif
1850         strcpy(card->driver, chip->name);
1851         sprintf(card->shortname, "OPTi %s", card->driver);
1852 #if defined(CS4231) || defined(OPTi93X)
1853         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
1854                 card->shortname, pcm->name, chip->wss_base + 4,
1855                 chip->irq, chip->dma1, chip->dma2);
1856 #else
1857         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
1858                 card->shortname, pcm->name, chip->wss_base + 4,
1859                 chip->irq, chip->dma1);
1860 #endif  /* CS4231 || OPTi93X */
1861
1862         if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
1863                 rmidi = NULL;
1864         else
1865                 if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1866                                 chip->mpu_port, 0, chip->mpu_irq, SA_INTERRUPT,
1867                                 &rmidi)))
1868                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
1869                                    chip->mpu_port);
1870
1871         if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
1872                 struct snd_opl3 *opl3 = NULL;
1873 #ifndef OPTi93X
1874                 if (chip->hardware == OPTi9XX_HW_82C928 ||
1875                     chip->hardware == OPTi9XX_HW_82C929 ||
1876                     chip->hardware == OPTi9XX_HW_82C924) {
1877                         struct snd_opl4 *opl4;
1878                         /* assume we have an OPL4 */
1879                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1880                                                0x20, 0x20);
1881                         if (snd_opl4_create(card,
1882                                             chip->fm_port,
1883                                             chip->fm_port - 8,
1884                                             2, &opl3, &opl4) < 0) {
1885                                 /* no luck, use OPL3 instead */
1886                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1887                                                        0x00, 0x20);
1888                         }
1889                 }
1890 #endif  /* !OPTi93X */
1891                 if (!opl3 && snd_opl3_create(card,
1892                                              chip->fm_port,
1893                                              chip->fm_port + 2,
1894                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
1895                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
1896                                    chip->fm_port, chip->fm_port + 4 - 1);
1897                 }
1898                 if (opl3) {
1899 #ifdef CS4231
1900                         const int t1dev = 1;
1901 #else
1902                         const int t1dev = 0;
1903 #endif
1904                         if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
1905                                 return error;
1906                         if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
1907                                 return error;
1908                 }
1909         }
1910
1911         return snd_card_register(card);
1912 }
1913
1914 static struct snd_card *snd_opti9xx_card_new(void)
1915 {
1916         struct snd_card *card;
1917
1918         card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
1919         if (! card)
1920                 return NULL;
1921         card->private_free = snd_card_opti9xx_free;
1922         return card;
1923 }
1924
1925 static int __init snd_opti9xx_nonpnp_probe(struct platform_device *devptr)
1926 {
1927         struct snd_card *card;
1928         int error;
1929         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
1930 #ifdef OPTi93X
1931         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
1932 #else
1933         static int possible_irqs[] = {9, 10, 11, 7, -1};
1934 #endif  /* OPTi93X */
1935         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
1936         static int possible_dma1s[] = {3, 1, 0, -1};
1937 #if defined(CS4231) || defined(OPTi93X)
1938         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1939 #endif  /* CS4231 || OPTi93X */
1940
1941         if (snd_opti9xx_pnp_is_probed)
1942                 return -EBUSY;
1943
1944         if (mpu_port == SNDRV_AUTO_PORT) {
1945                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1946                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1947                         return -EBUSY;
1948                 }
1949         }
1950         if (irq == SNDRV_AUTO_IRQ) {
1951                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1952                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
1953                         return -EBUSY;
1954                 }
1955         }
1956         if (mpu_irq == SNDRV_AUTO_IRQ) {
1957                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1958                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1959                         return -EBUSY;
1960                 }
1961         }
1962         if (dma1 == SNDRV_AUTO_DMA) {
1963                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1964                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
1965                         return -EBUSY;
1966                 }
1967         }
1968 #if defined(CS4231) || defined(OPTi93X)
1969         if (dma2 == SNDRV_AUTO_DMA) {
1970                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1971                         snd_printk("unable to find a free DMA2\n");
1972                         return -EBUSY;
1973                 }
1974         }
1975 #endif
1976
1977         card = snd_opti9xx_card_new();
1978         if (! card)
1979                 return -ENOMEM;
1980
1981         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1982                 snd_card_free(card);
1983                 return error;
1984         }
1985         snd_card_set_dev(card, &devptr->dev);
1986         if ((error = snd_opti9xx_probe(card)) < 0) {
1987                 snd_card_free(card);
1988                 return error;
1989         }
1990         platform_set_drvdata(devptr, card);
1991         return 0;
1992 }
1993
1994 static int __devexit snd_opti9xx_nonpnp_remove(struct platform_device *devptr)
1995 {
1996         snd_card_free(platform_get_drvdata(devptr));
1997         platform_set_drvdata(devptr, NULL);
1998         return 0;
1999 }
2000
2001 static struct platform_driver snd_opti9xx_driver = {
2002         .probe          = snd_opti9xx_nonpnp_probe,
2003         .remove         = __devexit_p(snd_opti9xx_nonpnp_remove),
2004         /* FIXME: suspend/resume */
2005         .driver         = {
2006                 .name   = DRIVER_NAME
2007         },
2008 };
2009
2010 #ifdef CONFIG_PNP
2011 static int __init snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
2012                                         const struct pnp_card_device_id *pid)
2013 {
2014         struct snd_card *card;
2015         int error, hw;
2016         struct snd_opti9xx *chip;
2017
2018         if (snd_opti9xx_pnp_is_probed)
2019                 return -EBUSY;
2020         if (! isapnp)
2021                 return -ENODEV;
2022         card = snd_opti9xx_card_new();
2023         if (! card)
2024                 return -ENOMEM;
2025         chip = card->private_data;
2026
2027         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
2028         switch (hw) {
2029         case 0x0924:
2030                 hw = OPTi9XX_HW_82C924;
2031                 break;
2032         case 0x0925:
2033                 hw = OPTi9XX_HW_82C925;
2034                 break;
2035         case 0x0931:
2036                 hw = OPTi9XX_HW_82C931;
2037                 break;
2038         default:
2039                 snd_card_free(card);
2040                 return -ENODEV;
2041         }
2042
2043         if ((error = snd_opti9xx_init(chip, hw))) {
2044                 snd_card_free(card);
2045                 return error;
2046         }
2047         if (hw <= OPTi9XX_HW_82C930)
2048                 chip->mc_base -= 0x80;
2049         snd_card_set_dev(card, &pcard->card->dev);
2050         if ((error = snd_opti9xx_probe(card)) < 0) {
2051                 snd_card_free(card);
2052                 return error;
2053         }
2054         pnp_set_card_drvdata(pcard, card);
2055         snd_opti9xx_pnp_is_probed = 1;
2056         return 0;
2057 }
2058
2059 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
2060 {
2061         snd_card_free(pnp_get_card_drvdata(pcard));
2062         pnp_set_card_drvdata(pcard, NULL);
2063         snd_opti9xx_pnp_is_probed = 0;
2064 }
2065
2066 static struct pnp_card_driver opti9xx_pnpc_driver = {
2067         .flags          = PNP_DRIVER_RES_DISABLE,
2068         .name           = "opti9xx",
2069         .id_table       = snd_opti9xx_pnpids,
2070         .probe          = snd_opti9xx_pnp_probe,
2071         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
2072 };
2073 #endif
2074
2075 #ifdef CONFIG_PNP
2076 #define is_isapnp_selected()    isapnp
2077 #else
2078 #define is_isapnp_selected()    0
2079 #endif
2080 #ifdef OPTi93X
2081 #define CHIP_NAME       "82C93x"
2082 #else
2083 #define CHIP_NAME       "82C92x"
2084 #endif
2085
2086 static int __init alsa_card_opti9xx_init(void)
2087 {
2088         int error;
2089         struct platform_device *device;
2090
2091 #ifdef CONFIG_PNP
2092         pnp_register_card_driver(&opti9xx_pnpc_driver);
2093         if (snd_opti9xx_pnp_is_probed)
2094                 return 0;
2095 #endif
2096         if (! is_isapnp_selected()) {
2097                 error = platform_driver_register(&snd_opti9xx_driver);
2098                 if (error < 0)
2099                         return error;
2100                 device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
2101                 if (!IS_ERR(device)) {
2102                         snd_opti9xx_platform_device = device;
2103                         return 0;
2104                 }
2105                 platform_driver_unregister(&snd_opti9xx_driver);
2106         }
2107 #ifdef CONFIG_PNP
2108         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2109 #endif
2110 #ifdef MODULE
2111         printk(KERN_ERR "no OPTi " CHIP_NAME " soundcard found\n");
2112 #endif
2113         return -ENODEV;
2114 }
2115
2116 static void __exit alsa_card_opti9xx_exit(void)
2117 {
2118         if (!snd_opti9xx_pnp_is_probed) {
2119                 platform_device_unregister(snd_opti9xx_platform_device);
2120                 platform_driver_unregister(&snd_opti9xx_driver);
2121         }
2122 #ifdef CONFIG_PNP
2123         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2124 #endif
2125 }
2126
2127 module_init(alsa_card_opti9xx_init)
2128 module_exit(alsa_card_opti9xx_exit)