Merge branch 'for-2.6.24' of git://git.secretlab.ca/git/linux-2.6-mpc52xx into merge
[pandora-kernel.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/isa.h>
30 #include <linux/delay.h>
31 #include <linux/slab.h>
32 #include <linux/pnp.h>
33 #include <linux/moduleparam.h>
34 #include <asm/io.h>
35 #include <asm/dma.h>
36 #include <sound/core.h>
37 #ifdef CS4231
38 #include <sound/cs4231.h>
39 #else
40 #ifndef OPTi93X
41 #include <sound/ad1848.h>
42 #else
43 #include <sound/control.h>
44 #include <sound/pcm.h>
45 #endif  /* OPTi93X */
46 #endif  /* CS4231 */
47 #include <sound/mpu401.h>
48 #include <sound/opl3.h>
49 #ifndef OPTi93X
50 #include <sound/opl4.h>
51 #endif
52 #define SNDRV_LEGACY_FIND_FREE_IRQ
53 #define SNDRV_LEGACY_FIND_FREE_DMA
54 #include <sound/initval.h>
55
56 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
57 MODULE_LICENSE("GPL");
58 #ifdef OPTi93X
59 MODULE_DESCRIPTION("OPTi93X");
60 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
61 #else   /* OPTi93X */
62 #ifdef CS4231
63 MODULE_DESCRIPTION("OPTi92X - CS4231");
64 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
65                 "{OPTi,82C925 (CS4231)}}");
66 #else   /* CS4231 */
67 MODULE_DESCRIPTION("OPTi92X - AD1848");
68 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
69                 "{OPTi,82C925 (AD1848)},"
70                 "{OAK,Mozart}}");
71 #endif  /* CS4231 */
72 #endif  /* OPTi93X */
73
74 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
75 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
76 //static int enable = SNDRV_DEFAULT_ENABLE1;    /* Enable this card */
77 static int isapnp = 1;                  /* Enable ISA PnP detection */
78 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
79 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
80 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
81 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
82 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
83 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
84 #if defined(CS4231) || defined(OPTi93X)
85 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
86 #endif  /* CS4231 || OPTi93X */
87
88 module_param(index, int, 0444);
89 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
90 module_param(id, charp, 0444);
91 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
92 //module_param(enable, bool, 0444);
93 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
94 module_param(isapnp, bool, 0444);
95 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
96 module_param(port, long, 0444);
97 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
98 module_param(mpu_port, long, 0444);
99 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
100 module_param(fm_port, long, 0444);
101 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
102 module_param(irq, int, 0444);
103 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
104 module_param(mpu_irq, int, 0444);
105 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
106 module_param(dma1, int, 0444);
107 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
108 #if defined(CS4231) || defined(OPTi93X)
109 module_param(dma2, int, 0444);
110 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
111 #endif  /* CS4231 || OPTi93X */
112
113 #define OPTi9XX_HW_DETECT       0
114 #define OPTi9XX_HW_82C928       1
115 #define OPTi9XX_HW_82C929       2
116 #define OPTi9XX_HW_82C924       3
117 #define OPTi9XX_HW_82C925       4
118 #define OPTi9XX_HW_82C930       5
119 #define OPTi9XX_HW_82C931       6
120 #define OPTi9XX_HW_82C933       7
121 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
122
123 #define OPTi9XX_MC_REG(n)       n
124
125 #ifdef OPTi93X
126
127 #define OPTi93X_INDEX                   0x00
128 #define OPTi93X_DATA                    0x01
129 #define OPTi93X_STATUS                  0x02
130 #define OPTi93X_DDATA                   0x03
131 #define OPTi93X_PORT(chip, r)           ((chip)->port + OPTi93X_##r)
132
133 #define OPTi93X_MIXOUT_LEFT             0x00
134 #define OPTi93X_MIXOUT_RIGHT            0x01
135 #define OPTi93X_CD_LEFT_INPUT           0x02
136 #define OPTi93X_CD_RIGHT_INPUT          0x03
137 #define OPTi930_AUX_LEFT_INPUT          0x04
138 #define OPTi930_AUX_RIGHT_INPUT         0x05
139 #define OPTi931_FM_LEFT_INPUT           0x04
140 #define OPTi931_FM_RIGHT_INPUT          0x05
141 #define OPTi93X_DAC_LEFT                0x06
142 #define OPTi93X_DAC_RIGHT               0x07
143 #define OPTi93X_PLAY_FORMAT             0x08
144 #define OPTi93X_IFACE_CONF              0x09
145 #define OPTi93X_PIN_CTRL                0x0a
146 #define OPTi93X_ERR_INIT                0x0b
147 #define OPTi93X_ID                      0x0c
148 #define OPTi93X_PLAY_UPR_CNT            0x0e
149 #define OPTi93X_PLAY_LWR_CNT            0x0f
150 #define OPTi931_AUX_LEFT_INPUT          0x10
151 #define OPTi931_AUX_RIGHT_INPUT         0x11
152 #define OPTi93X_LINE_LEFT_INPUT         0x12
153 #define OPTi93X_LINE_RIGHT_INPUT        0x13
154 #define OPTi93X_MIC_LEFT_INPUT          0x14
155 #define OPTi93X_MIC_RIGHT_INPUT         0x15
156 #define OPTi93X_OUT_LEFT                0x16
157 #define OPTi93X_OUT_RIGHT               0x17
158 #define OPTi93X_CAPT_FORMAT             0x1c
159 #define OPTi93X_CAPT_UPR_CNT            0x1e
160 #define OPTi93X_CAPT_LWR_CNT            0x1f
161
162 #define OPTi93X_TRD                     0x20
163 #define OPTi93X_MCE                     0x40
164 #define OPTi93X_INIT                    0x80
165
166 #define OPTi93X_MIXOUT_MIC_GAIN         0x20
167 #define OPTi93X_MIXOUT_LINE             0x00
168 #define OPTi93X_MIXOUT_CD               0x40
169 #define OPTi93X_MIXOUT_MIC              0x80
170 #define OPTi93X_MIXOUT_MIXER            0xc0
171
172 #define OPTi93X_STEREO                  0x10
173 #define OPTi93X_LINEAR_8                0x00
174 #define OPTi93X_ULAW_8                  0x20
175 #define OPTi93X_LINEAR_16_LIT           0x40
176 #define OPTi93X_ALAW_8                  0x60
177 #define OPTi93X_ADPCM_16                0xa0
178 #define OPTi93X_LINEAR_16_BIG           0xc0
179
180 #define OPTi93X_CAPTURE_PIO             0x80
181 #define OPTi93X_PLAYBACK_PIO            0x40
182 #define OPTi93X_AUTOCALIB               0x08
183 #define OPTi93X_SINGLE_DMA              0x04
184 #define OPTi93X_CAPTURE_ENABLE          0x02
185 #define OPTi93X_PLAYBACK_ENABLE         0x01
186
187 #define OPTi93X_IRQ_ENABLE              0x02
188
189 #define OPTi93X_DMA_REQUEST             0x10
190 #define OPTi93X_CALIB_IN_PROGRESS       0x20
191
192 #define OPTi93X_IRQ_PLAYBACK            0x04
193 #define OPTi93X_IRQ_CAPTURE             0x08
194
195
196 struct snd_opti93x {
197         unsigned long port;
198         struct resource *res_port;
199         int irq;
200         int dma1;
201         int dma2;
202
203         struct snd_opti9xx *chip;
204         unsigned short hardware;
205         unsigned char image[32];
206
207         unsigned char mce_bit;
208         unsigned short mode;
209         int mute;
210
211         spinlock_t lock;
212
213         struct snd_card *card;
214         struct snd_pcm *pcm;
215         struct snd_pcm_substream *playback_substream;
216         struct snd_pcm_substream *capture_substream;
217         unsigned int p_dma_size;
218         unsigned int c_dma_size;
219 };
220
221 #define OPTi93X_MODE_NONE       0x00
222 #define OPTi93X_MODE_PLAY       0x01
223 #define OPTi93X_MODE_CAPTURE    0x02
224 #define OPTi93X_MODE_OPEN       (OPTi93X_MODE_PLAY | OPTi93X_MODE_CAPTURE)
225
226 #endif /* OPTi93X */
227
228 struct snd_opti9xx {
229         unsigned short hardware;
230         unsigned char password;
231         char name[7];
232
233         unsigned long mc_base;
234         struct resource *res_mc_base;
235         unsigned long mc_base_size;
236 #ifdef OPTi93X
237         unsigned long mc_indir_index;
238 #endif  /* OPTi93X */
239         unsigned long pwd_reg;
240
241         spinlock_t lock;
242
243         long wss_base;
244         int irq;
245         int dma1;
246 #if defined(CS4231) || defined(OPTi93X)
247         int dma2;
248 #endif  /* CS4231 || OPTi93X */
249
250         long fm_port;
251
252         long mpu_port;
253         int mpu_irq;
254
255 #ifdef CONFIG_PNP
256         struct pnp_dev *dev;
257         struct pnp_dev *devmpu;
258 #endif  /* CONFIG_PNP */
259 };
260
261 static int snd_opti9xx_pnp_is_probed;
262
263 #ifdef CONFIG_PNP
264
265 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
266 #ifndef OPTi93X
267         /* OPTi 82C924 */
268         { .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
269         /* OPTi 82C925 */
270         { .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
271 #else
272         /* OPTi 82C931/3 */
273         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
274 #endif  /* OPTi93X */
275         { .id = "" }
276 };
277
278 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
279
280 #endif  /* CONFIG_PNP */
281
282 #ifdef OPTi93X
283 #define DEV_NAME "opti93x"
284 #else
285 #define DEV_NAME "opti92x"
286 #endif
287
288 static char * snd_opti9xx_names[] = {
289         "unkown",
290         "82C928",       "82C929",
291         "82C924",       "82C925",
292         "82C930",       "82C931",       "82C933"
293 };
294
295
296 static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
297 {
298         while (*port_table != -1) {
299                 if (request_region(*port_table, size, "ALSA test")) {
300                         release_region(*port_table, size);
301                         return *port_table;
302                 }
303                 port_table++;
304         }
305         return -1;
306 }
307
308 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
309                                       unsigned short hardware)
310 {
311         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
312
313         chip->hardware = hardware;
314         strcpy(chip->name, snd_opti9xx_names[hardware]);
315
316         chip->mc_base_size = opti9xx_mc_size[hardware];  
317
318         spin_lock_init(&chip->lock);
319
320         chip->wss_base = -1;
321         chip->irq = -1;
322         chip->dma1 = -1;
323 #if defined(CS4231) || defined (OPTi93X)
324         chip->dma2 = -1;
325 #endif  /* CS4231 || OPTi93X */
326         chip->fm_port = -1;
327         chip->mpu_port = -1;
328         chip->mpu_irq = -1;
329
330         switch (hardware) {
331 #ifndef OPTi93X
332         case OPTi9XX_HW_82C928:
333         case OPTi9XX_HW_82C929:
334                 chip->mc_base = 0xf8c;
335                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
336                 chip->pwd_reg = 3;
337                 break;
338
339         case OPTi9XX_HW_82C924:
340         case OPTi9XX_HW_82C925:
341                 chip->mc_base = 0xf8c;
342                 chip->password = 0xe5;
343                 chip->pwd_reg = 3;
344                 break;
345 #else   /* OPTi93X */
346
347         case OPTi9XX_HW_82C930:
348         case OPTi9XX_HW_82C931:
349         case OPTi9XX_HW_82C933:
350                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
351                 chip->mc_indir_index = 0xe0e;
352                 chip->password = 0xe4;
353                 chip->pwd_reg = 0;
354                 break;
355 #endif  /* OPTi93X */
356
357         default:
358                 snd_printk("chip %d not supported\n", hardware);
359                 return -ENODEV;
360         }
361         return 0;
362 }
363
364 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
365                                       unsigned char reg)
366 {
367         unsigned long flags;
368         unsigned char retval = 0xff;
369
370         spin_lock_irqsave(&chip->lock, flags);
371         outb(chip->password, chip->mc_base + chip->pwd_reg);
372
373         switch (chip->hardware) {
374 #ifndef OPTi93X
375         case OPTi9XX_HW_82C924:
376         case OPTi9XX_HW_82C925:
377                 if (reg > 7) {
378                         outb(reg, chip->mc_base + 8);
379                         outb(chip->password, chip->mc_base + chip->pwd_reg);
380                         retval = inb(chip->mc_base + 9);
381                         break;
382                 }
383
384         case OPTi9XX_HW_82C928:
385         case OPTi9XX_HW_82C929:
386                 retval = inb(chip->mc_base + reg);
387                 break;
388 #else   /* OPTi93X */
389
390         case OPTi9XX_HW_82C930:
391         case OPTi9XX_HW_82C931:
392         case OPTi9XX_HW_82C933:
393                 outb(reg, chip->mc_indir_index);
394                 outb(chip->password, chip->mc_base + chip->pwd_reg);
395                 retval = inb(chip->mc_indir_index + 1);
396                 break;
397 #endif  /* OPTi93X */
398
399         default:
400                 snd_printk("chip %d not supported\n", chip->hardware);
401         }
402
403         spin_unlock_irqrestore(&chip->lock, flags);
404         return retval;
405 }
406         
407 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
408                               unsigned char value)
409 {
410         unsigned long flags;
411
412         spin_lock_irqsave(&chip->lock, flags);
413         outb(chip->password, chip->mc_base + chip->pwd_reg);
414
415         switch (chip->hardware) {
416 #ifndef OPTi93X
417         case OPTi9XX_HW_82C924:
418         case OPTi9XX_HW_82C925:
419                 if (reg > 7) {
420                         outb(reg, chip->mc_base + 8);
421                         outb(chip->password, chip->mc_base + chip->pwd_reg);
422                         outb(value, chip->mc_base + 9);
423                         break;
424                 }
425
426         case OPTi9XX_HW_82C928:
427         case OPTi9XX_HW_82C929:
428                 outb(value, chip->mc_base + reg);
429                 break;
430 #else   /* OPTi93X */
431
432         case OPTi9XX_HW_82C930:
433         case OPTi9XX_HW_82C931:
434         case OPTi9XX_HW_82C933:
435                 outb(reg, chip->mc_indir_index);
436                 outb(chip->password, chip->mc_base + chip->pwd_reg);
437                 outb(value, chip->mc_indir_index + 1);
438                 break;
439 #endif  /* OPTi93X */
440
441         default:
442                 snd_printk("chip %d not supported\n", chip->hardware);
443         }
444
445         spin_unlock_irqrestore(&chip->lock, flags);
446 }
447
448
449 #define snd_opti9xx_write_mask(chip, reg, value, mask)  \
450         snd_opti9xx_write(chip, reg,                    \
451                 (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
452
453
454 static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip)
455 {
456         unsigned char wss_base_bits;
457         unsigned char irq_bits;
458         unsigned char dma_bits;
459         unsigned char mpu_port_bits = 0;
460         unsigned char mpu_irq_bits;
461
462         switch (chip->hardware) {
463 #ifndef OPTi93X
464         case OPTi9XX_HW_82C924:
465                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
466                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
467
468         case OPTi9XX_HW_82C925:
469                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
470                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
471                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
472 #ifdef CS4231
473                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
474 #else
475                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
476 #endif  /* CS4231 */
477                 break;
478
479         case OPTi9XX_HW_82C928:
480         case OPTi9XX_HW_82C929:
481                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
482                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
483                 /*
484                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
485                 */
486                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
487 #ifdef CS4231
488                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
489 #else
490                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
491 #endif  /* CS4231 */
492                 break;
493
494 #else   /* OPTi93X */
495         case OPTi9XX_HW_82C930:
496         case OPTi9XX_HW_82C931:
497         case OPTi9XX_HW_82C933:
498                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
499                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
500                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
501                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
502                         0x34);
503                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
504                 /* 
505                  * The BTC 1817DW has QS1000 wavetable which is connected
506                  * to the serial digital input of the OPTI931.
507                  */
508                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
509                 /* 
510                  * This bit sets OPTI931 to automaticaly select FM
511                  * or digital input signal.
512                  */
513                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
514                 break;
515 #endif  /* OPTi93X */
516
517         default:
518                 snd_printk("chip %d not supported\n", chip->hardware);
519                 return -EINVAL;
520         }
521
522         switch (chip->wss_base) {
523         case 0x530:
524                 wss_base_bits = 0x00;
525                 break;
526         case 0x604:
527                 wss_base_bits = 0x03;
528                 break;
529         case 0xe80:
530                 wss_base_bits = 0x01;
531                 break;
532         case 0xf40:
533                 wss_base_bits = 0x02;
534                 break;
535         default:
536                 snd_printk("WSS port 0x%lx not valid\n", chip->wss_base);
537                 goto __skip_base;
538         }
539         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
540
541 __skip_base:
542         switch (chip->irq) {
543 //#ifdef OPTi93X
544         case 5:
545                 irq_bits = 0x05;
546                 break;
547 //#endif        /* OPTi93X */
548         case 7:
549                 irq_bits = 0x01;
550                 break;
551         case 9:
552                 irq_bits = 0x02;
553                 break;
554         case 10:
555                 irq_bits = 0x03;
556                 break;
557         case 11:
558                 irq_bits = 0x04;
559                 break;
560         default:
561                 snd_printk("WSS irq # %d not valid\n", chip->irq);
562                 goto __skip_resources;
563         }
564
565         switch (chip->dma1) {
566         case 0:
567                 dma_bits = 0x01;
568                 break;
569         case 1:
570                 dma_bits = 0x02;
571                 break;
572         case 3:
573                 dma_bits = 0x03;
574                 break;
575         default:
576                 snd_printk("WSS dma1 # %d not valid\n", chip->dma1);
577                 goto __skip_resources;
578         }
579
580 #if defined(CS4231) || defined(OPTi93X)
581         if (chip->dma1 == chip->dma2) {
582                 snd_printk("don't want to share dmas\n");
583                 return -EBUSY;
584         }
585
586         switch (chip->dma2) {
587         case 0:
588         case 1:
589                 break;
590         default:
591                 snd_printk("WSS dma2 # %d not valid\n", chip->dma2);
592                 goto __skip_resources;
593         }
594         dma_bits |= 0x04;
595 #endif  /* CS4231 || OPTi93X */
596
597 #ifndef OPTi93X
598          outb(irq_bits << 3 | dma_bits, chip->wss_base);
599 #else /* OPTi93X */
600         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
601 #endif /* OPTi93X */
602
603 __skip_resources:
604         if (chip->hardware > OPTi9XX_HW_82C928) {
605                 switch (chip->mpu_port) {
606                 case 0:
607                 case -1:
608                         break;
609                 case 0x300:
610                         mpu_port_bits = 0x03;
611                         break;
612                 case 0x310:
613                         mpu_port_bits = 0x02;
614                         break;
615                 case 0x320:
616                         mpu_port_bits = 0x01;
617                         break;
618                 case 0x330:
619                         mpu_port_bits = 0x00;
620                         break;
621                 default:
622                         snd_printk("MPU-401 port 0x%lx not valid\n",
623                                 chip->mpu_port);
624                         goto __skip_mpu;
625                 }
626
627                 switch (chip->mpu_irq) {
628                 case 5:
629                         mpu_irq_bits = 0x02;
630                         break;
631                 case 7:
632                         mpu_irq_bits = 0x03;
633                         break;
634                 case 9:
635                         mpu_irq_bits = 0x00;
636                         break;
637                 case 10:
638                         mpu_irq_bits = 0x01;
639                         break;
640                 default:
641                         snd_printk("MPU-401 irq # %d not valid\n",
642                                 chip->mpu_irq);
643                         goto __skip_mpu;
644                 }
645
646                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
647                         (chip->mpu_port <= 0) ? 0x00 :
648                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
649                         0xf8);
650         }
651 __skip_mpu:
652
653         return 0;
654 }
655
656 #ifdef OPTi93X
657
658 static unsigned char snd_opti93x_default_image[32] =
659 {
660         0x00,           /* 00/00 - l_mixout_outctrl */
661         0x00,           /* 01/01 - r_mixout_outctrl */
662         0x88,           /* 02/02 - l_cd_inctrl */
663         0x88,           /* 03/03 - r_cd_inctrl */
664         0x88,           /* 04/04 - l_a1/fm_inctrl */
665         0x88,           /* 05/05 - r_a1/fm_inctrl */
666         0x80,           /* 06/06 - l_dac_inctrl */
667         0x80,           /* 07/07 - r_dac_inctrl */
668         0x00,           /* 08/08 - ply_dataform_reg */
669         0x00,           /* 09/09 - if_conf */
670         0x00,           /* 0a/10 - pin_ctrl */
671         0x00,           /* 0b/11 - err_init_reg */
672         0x0a,           /* 0c/12 - id_reg */
673         0x00,           /* 0d/13 - reserved */
674         0x00,           /* 0e/14 - ply_upcount_reg */
675         0x00,           /* 0f/15 - ply_lowcount_reg */
676         0x88,           /* 10/16 - reserved/l_a1_inctrl */
677         0x88,           /* 11/17 - reserved/r_a1_inctrl */
678         0x88,           /* 12/18 - l_line_inctrl */
679         0x88,           /* 13/19 - r_line_inctrl */
680         0x88,           /* 14/20 - l_mic_inctrl */
681         0x88,           /* 15/21 - r_mic_inctrl */
682         0x80,           /* 16/22 - l_out_outctrl */
683         0x80,           /* 17/23 - r_out_outctrl */
684         0x00,           /* 18/24 - reserved */
685         0x00,           /* 19/25 - reserved */
686         0x00,           /* 1a/26 - reserved */
687         0x00,           /* 1b/27 - reserved */
688         0x00,           /* 1c/28 - cap_dataform_reg */
689         0x00,           /* 1d/29 - reserved */
690         0x00,           /* 1e/30 - cap_upcount_reg */
691         0x00            /* 1f/31 - cap_lowcount_reg */
692 };
693
694
695 static int snd_opti93x_busy_wait(struct snd_opti93x *chip)
696 {
697         int timeout;
698
699         for (timeout = 250; timeout-- > 0; udelay(10))
700                 if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_INIT))
701                         return 0;
702
703         snd_printk("chip still busy.\n");
704         return -EBUSY;
705 }
706
707 static unsigned char snd_opti93x_in(struct snd_opti93x *chip, unsigned char reg)
708 {
709         snd_opti93x_busy_wait(chip);
710         outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
711         return inb(OPTi93X_PORT(chip, DATA));
712 }
713
714 static void snd_opti93x_out(struct snd_opti93x *chip, unsigned char reg,
715                             unsigned char value)
716 {
717         snd_opti93x_busy_wait(chip);
718         outb(chip->mce_bit | (reg & 0x1f), OPTi93X_PORT(chip, INDEX));
719         outb(value, OPTi93X_PORT(chip, DATA));
720 }
721
722 static void snd_opti93x_out_image(struct snd_opti93x *chip, unsigned char reg,
723                                   unsigned char value)
724 {
725         snd_opti93x_out(chip, reg, chip->image[reg] = value);
726 }
727
728 static void snd_opti93x_out_mask(struct snd_opti93x *chip, unsigned char reg,
729                                  unsigned char mask, unsigned char value)
730 {
731         snd_opti93x_out_image(chip, reg,
732                 (chip->image[reg] & ~mask) | (value & mask));
733 }
734
735
736 static void snd_opti93x_mce_up(struct snd_opti93x *chip)
737 {
738         snd_opti93x_busy_wait(chip);
739
740         chip->mce_bit = OPTi93X_MCE;
741         if (!(inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE))
742                 outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
743 }
744
745 static void snd_opti93x_mce_down(struct snd_opti93x *chip)
746 {
747         snd_opti93x_busy_wait(chip);
748
749         chip->mce_bit = 0;
750         if (inb(OPTi93X_PORT(chip, INDEX)) & OPTi93X_MCE)
751                 outb(chip->mce_bit, OPTi93X_PORT(chip, INDEX));
752 }
753
754 #define snd_opti93x_mute_reg(chip, reg, mute)   \
755         snd_opti93x_out(chip, reg, mute ? 0x80 : chip->image[reg]);
756
757 static void snd_opti93x_mute(struct snd_opti93x *chip, int mute)
758 {
759         mute = mute ? 1 : 0;
760         if (chip->mute == mute)
761                 return;
762
763         chip->mute = mute;
764
765         snd_opti93x_mute_reg(chip, OPTi93X_CD_LEFT_INPUT, mute);
766         snd_opti93x_mute_reg(chip, OPTi93X_CD_RIGHT_INPUT, mute);
767         switch (chip->hardware) {
768         case OPTi9XX_HW_82C930:
769                 snd_opti93x_mute_reg(chip, OPTi930_AUX_LEFT_INPUT, mute);
770                 snd_opti93x_mute_reg(chip, OPTi930_AUX_RIGHT_INPUT, mute);
771                 break;
772         case OPTi9XX_HW_82C931:
773         case OPTi9XX_HW_82C933:
774                 snd_opti93x_mute_reg(chip, OPTi931_FM_LEFT_INPUT, mute);
775                 snd_opti93x_mute_reg(chip, OPTi931_FM_RIGHT_INPUT, mute);
776                 snd_opti93x_mute_reg(chip, OPTi931_AUX_LEFT_INPUT, mute);
777                 snd_opti93x_mute_reg(chip, OPTi931_AUX_RIGHT_INPUT, mute);
778         }
779         snd_opti93x_mute_reg(chip, OPTi93X_DAC_LEFT, mute);
780         snd_opti93x_mute_reg(chip, OPTi93X_DAC_RIGHT, mute);
781         snd_opti93x_mute_reg(chip, OPTi93X_LINE_LEFT_INPUT, mute);
782         snd_opti93x_mute_reg(chip, OPTi93X_LINE_RIGHT_INPUT, mute);
783         snd_opti93x_mute_reg(chip, OPTi93X_MIC_LEFT_INPUT, mute);
784         snd_opti93x_mute_reg(chip, OPTi93X_MIC_RIGHT_INPUT, mute);
785         snd_opti93x_mute_reg(chip, OPTi93X_OUT_LEFT, mute);
786         snd_opti93x_mute_reg(chip, OPTi93X_OUT_RIGHT, mute);
787 }
788
789
790 static unsigned int snd_opti93x_get_count(unsigned char format,
791                                           unsigned int size)
792 {
793         switch (format & 0xe0) {
794         case OPTi93X_LINEAR_16_LIT:
795         case OPTi93X_LINEAR_16_BIG:
796                 size >>= 1;
797                 break;
798         case OPTi93X_ADPCM_16:
799                 return size >> 2;
800         }
801         return (format & OPTi93X_STEREO) ? (size >> 1) : size;
802 }
803
804 static unsigned int rates[] = {  5512,  6615,  8000,  9600, 11025, 16000, 
805                                 18900, 22050, 27428, 32000, 33075, 37800,
806                                 44100, 48000 };
807 #define RATES ARRAY_SIZE(rates)
808
809 static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
810         .count = RATES,
811         .list = rates,
812         .mask = 0,
813 };
814
815 static unsigned char bits[] = {  0x01,  0x0f,  0x00,  0x0e,  0x03,  0x02,
816                                  0x05,  0x07,  0x04,  0x06,  0x0d,  0x09,
817                                  0x0b,  0x0c};
818
819 static unsigned char snd_opti93x_get_freq(unsigned int rate)
820 {
821         unsigned int i;
822
823         for (i = 0; i < RATES; i++) {
824                 if (rate == rates[i])
825                         return bits[i];
826         }
827         snd_BUG();
828         return bits[RATES-1];
829 }
830
831 static unsigned char snd_opti93x_get_format(struct snd_opti93x *chip,
832                                             unsigned int format, int channels)
833 {
834         unsigned char retval = OPTi93X_LINEAR_8;
835
836         switch (format) {
837         case SNDRV_PCM_FORMAT_MU_LAW:
838                 retval = OPTi93X_ULAW_8;
839                 break;
840         case SNDRV_PCM_FORMAT_A_LAW:
841                 retval = OPTi93X_ALAW_8;
842                 break;
843         case SNDRV_PCM_FORMAT_S16_LE:
844                 retval = OPTi93X_LINEAR_16_LIT;
845                 break;
846         case SNDRV_PCM_FORMAT_S16_BE:
847                 retval = OPTi93X_LINEAR_16_BIG;
848                 break;
849         case SNDRV_PCM_FORMAT_IMA_ADPCM:
850                 retval = OPTi93X_ADPCM_16;
851         }
852         return (channels > 1) ? (retval | OPTi93X_STEREO) : retval;
853 }
854
855
856 static void snd_opti93x_playback_format(struct snd_opti93x *chip, unsigned char fmt)
857 {
858         unsigned char mask;
859
860         snd_opti93x_mute(chip, 1);
861
862         snd_opti93x_mce_up(chip);
863         mask = (chip->mode & OPTi93X_MODE_CAPTURE) ? 0xf0 : 0xff;
864         snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, mask, fmt);
865         snd_opti93x_mce_down(chip);
866
867         snd_opti93x_mute(chip, 0);
868 }
869
870 static void snd_opti93x_capture_format(struct snd_opti93x *chip, unsigned char fmt)
871 {
872         snd_opti93x_mute(chip, 1);
873
874         snd_opti93x_mce_up(chip);
875         if (!(chip->mode & OPTi93X_MODE_PLAY))
876                 snd_opti93x_out_mask(chip, OPTi93X_PLAY_FORMAT, 0x0f, fmt);
877         else
878                 fmt = chip->image[OPTi93X_PLAY_FORMAT] & 0xf0;
879         snd_opti93x_out_image(chip, OPTi93X_CAPT_FORMAT, fmt);
880         snd_opti93x_mce_down(chip);
881
882         snd_opti93x_mute(chip, 0);
883 }
884
885
886 static int snd_opti93x_open(struct snd_opti93x *chip, unsigned int mode)
887 {
888         unsigned long flags;
889
890         spin_lock_irqsave(&chip->lock, flags);
891
892         if (chip->mode & mode) {
893                 spin_unlock_irqrestore(&chip->lock, flags);
894                 return -EAGAIN;
895         }
896
897         if (!(chip->mode & OPTi93X_MODE_OPEN)) {
898                 outb(0x00, OPTi93X_PORT(chip, STATUS));
899                 snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL,
900                         OPTi93X_IRQ_ENABLE, OPTi93X_IRQ_ENABLE);
901                 chip->mode = mode;
902         }
903         else
904                 chip->mode |= mode;
905
906         spin_unlock_irqrestore(&chip->lock, flags);
907         return 0;
908 }
909
910 static void snd_opti93x_close(struct snd_opti93x *chip, unsigned int mode)
911 {
912         unsigned long flags;
913
914         spin_lock_irqsave(&chip->lock, flags);
915
916         chip->mode &= ~mode;
917         if (chip->mode & OPTi93X_MODE_OPEN) {
918                 spin_unlock_irqrestore(&chip->lock, flags);
919                 return;
920         }
921
922         snd_opti93x_mute(chip, 1);
923
924         outb(0, OPTi93X_PORT(chip, STATUS));
925         snd_opti93x_out_mask(chip, OPTi93X_PIN_CTRL, OPTi93X_IRQ_ENABLE,
926                 ~OPTi93X_IRQ_ENABLE);
927
928         snd_opti93x_mce_up(chip);
929         snd_opti93x_out_image(chip, OPTi93X_IFACE_CONF, 0x00);
930         snd_opti93x_mce_down(chip);
931         chip->mode = 0;
932
933         snd_opti93x_mute(chip, 0);
934         spin_unlock_irqrestore(&chip->lock, flags);
935 }
936
937 static int snd_opti93x_trigger(struct snd_pcm_substream *substream, 
938                                unsigned char what, int cmd)
939 {
940         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
941
942         switch (cmd) {
943         case SNDRV_PCM_TRIGGER_START:
944         case SNDRV_PCM_TRIGGER_STOP:
945         {
946                 unsigned int what = 0;
947                 struct snd_pcm_substream *s;
948                 snd_pcm_group_for_each_entry(s, substream) {
949                         if (s == chip->playback_substream) {
950                                 what |= OPTi93X_PLAYBACK_ENABLE;
951                                 snd_pcm_trigger_done(s, substream);
952                         } else if (s == chip->capture_substream) {
953                                 what |= OPTi93X_CAPTURE_ENABLE;
954                                 snd_pcm_trigger_done(s, substream);
955                         }
956                 }
957                 spin_lock(&chip->lock);
958                 if (cmd == SNDRV_PCM_TRIGGER_START) {
959                         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, what);
960                         if (what & OPTi93X_CAPTURE_ENABLE)
961                                 udelay(50);
962                 } else
963                         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF, what, 0x00);
964                 spin_unlock(&chip->lock);
965                 break;
966         }
967         default:
968                 return -EINVAL;
969         }
970         return 0;
971 }
972
973 static int snd_opti93x_playback_trigger(struct snd_pcm_substream *substream, int cmd)
974 {
975         return snd_opti93x_trigger(substream,
976                                    OPTi93X_PLAYBACK_ENABLE, cmd);
977 }
978
979 static int snd_opti93x_capture_trigger(struct snd_pcm_substream *substream, int cmd)
980 {
981         return snd_opti93x_trigger(substream,
982                                    OPTi93X_CAPTURE_ENABLE, cmd);
983 }
984
985 static int snd_opti93x_hw_params(struct snd_pcm_substream *substream,
986                                  struct snd_pcm_hw_params *hw_params)
987 {
988         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
989 }
990
991
992 static int snd_opti93x_hw_free(struct snd_pcm_substream *substream)
993 {
994         snd_pcm_lib_free_pages(substream);
995         return 0;
996 }
997
998
999 static int snd_opti93x_playback_prepare(struct snd_pcm_substream *substream)
1000 {
1001         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1002         struct snd_pcm_runtime *runtime = substream->runtime;
1003         unsigned long flags;
1004         unsigned char format;
1005         unsigned int count = snd_pcm_lib_period_bytes(substream);
1006         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1007
1008         spin_lock_irqsave(&chip->lock, flags);
1009
1010         chip->p_dma_size = size;
1011         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1012                 OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO,
1013                 ~(OPTi93X_PLAYBACK_ENABLE | OPTi93X_PLAYBACK_PIO));
1014
1015         snd_dma_program(chip->dma1, runtime->dma_addr, size,
1016                 DMA_MODE_WRITE | DMA_AUTOINIT);
1017
1018         format = snd_opti93x_get_freq(runtime->rate);
1019         format |= snd_opti93x_get_format(chip, runtime->format,
1020                 runtime->channels);
1021         snd_opti93x_playback_format(chip, format);
1022         format = chip->image[OPTi93X_PLAY_FORMAT];
1023
1024         count = snd_opti93x_get_count(format, count) - 1;
1025         snd_opti93x_out_image(chip, OPTi93X_PLAY_LWR_CNT, count);
1026         snd_opti93x_out_image(chip, OPTi93X_PLAY_UPR_CNT, count >> 8);
1027
1028         spin_unlock_irqrestore(&chip->lock, flags);
1029         return 0;
1030 }
1031
1032 static int snd_opti93x_capture_prepare(struct snd_pcm_substream *substream)
1033 {
1034         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1035         struct snd_pcm_runtime *runtime = substream->runtime;
1036         unsigned long flags;
1037         unsigned char format;
1038         unsigned int count = snd_pcm_lib_period_bytes(substream);
1039         unsigned int size = snd_pcm_lib_buffer_bytes(substream);
1040
1041         spin_lock_irqsave(&chip->lock, flags);
1042
1043         chip->c_dma_size = size;
1044         snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
1045                 OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO, 0);
1046
1047         snd_dma_program(chip->dma2, runtime->dma_addr, size,
1048                 DMA_MODE_READ | DMA_AUTOINIT);
1049
1050         format = snd_opti93x_get_freq(runtime->rate);
1051         format |= snd_opti93x_get_format(chip, runtime->format,
1052                 runtime->channels);
1053         snd_opti93x_capture_format(chip, format);
1054         format = chip->image[OPTi93X_CAPT_FORMAT];
1055
1056         count = snd_opti93x_get_count(format, count) - 1;
1057         snd_opti93x_out_image(chip, OPTi93X_CAPT_LWR_CNT, count);
1058         snd_opti93x_out_image(chip, OPTi93X_CAPT_UPR_CNT, count >> 8);
1059
1060         spin_unlock_irqrestore(&chip->lock, flags);
1061         return 0;
1062 }
1063
1064 static snd_pcm_uframes_t snd_opti93x_playback_pointer(struct snd_pcm_substream *substream)
1065 {
1066         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1067         size_t ptr;
1068
1069         if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_PLAYBACK_ENABLE))
1070                 return 0;
1071
1072         ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
1073         return bytes_to_frames(substream->runtime, ptr);
1074 }
1075
1076 static snd_pcm_uframes_t snd_opti93x_capture_pointer(struct snd_pcm_substream *substream)
1077 {
1078         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1079         size_t ptr;
1080         
1081         if (!(chip->image[OPTi93X_IFACE_CONF] & OPTi93X_CAPTURE_ENABLE))
1082                 return 0;
1083
1084         ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
1085         return bytes_to_frames(substream->runtime, ptr);
1086 }
1087
1088
1089 static void snd_opti93x_overrange(struct snd_opti93x *chip)
1090 {
1091         unsigned long flags;
1092
1093         spin_lock_irqsave(&chip->lock, flags);
1094
1095         if (snd_opti93x_in(chip, OPTi93X_ERR_INIT) & (0x08 | 0x02))
1096                 chip->capture_substream->runtime->overrange++;
1097
1098         spin_unlock_irqrestore(&chip->lock, flags);
1099 }
1100
1101 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
1102 {
1103         struct snd_opti93x *codec = dev_id;
1104         unsigned char status;
1105
1106         status = snd_opti9xx_read(codec->chip, OPTi9XX_MC_REG(11));
1107         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
1108                 snd_pcm_period_elapsed(codec->playback_substream);
1109         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
1110                 snd_opti93x_overrange(codec);
1111                 snd_pcm_period_elapsed(codec->capture_substream);
1112         }
1113         outb(0x00, OPTi93X_PORT(codec, STATUS));
1114         return IRQ_HANDLED;
1115 }
1116
1117
1118 static struct snd_pcm_hardware snd_opti93x_playback = {
1119         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1120                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1121         .formats =              (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1122                                  SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1123         .rates =                SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1124         .rate_min =             5512,
1125         .rate_max =             48000,
1126         .channels_min =         1,
1127         .channels_max =         2,
1128         .buffer_bytes_max =     (128*1024),
1129         .period_bytes_min =     64,
1130         .period_bytes_max =     (128*1024),
1131         .periods_min =          1,
1132         .periods_max =          1024,
1133         .fifo_size =            0,
1134 };
1135
1136 static struct snd_pcm_hardware snd_opti93x_capture = {
1137         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1138                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1139         .formats =              (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM |
1140                                  SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE),
1141         .rates =                SNDRV_PCM_RATE_8000_48000,
1142         .rate_min =             5512,
1143         .rate_max =             48000,
1144         .channels_min =         1,
1145         .channels_max =         2,
1146         .buffer_bytes_max =     (128*1024),
1147         .period_bytes_min =     64,
1148         .period_bytes_max =     (128*1024),
1149         .periods_min =          1,
1150         .periods_max =          1024,
1151         .fifo_size =            0,
1152 };
1153
1154 static int snd_opti93x_playback_open(struct snd_pcm_substream *substream)
1155 {
1156         int error;
1157         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1158         struct snd_pcm_runtime *runtime = substream->runtime;
1159
1160         if ((error = snd_opti93x_open(chip, OPTi93X_MODE_PLAY)) < 0)
1161                 return error;
1162         snd_pcm_set_sync(substream);
1163         chip->playback_substream = substream;
1164         runtime->hw = snd_opti93x_playback;
1165         snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
1166         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1167         return error;
1168 }
1169
1170 static int snd_opti93x_capture_open(struct snd_pcm_substream *substream)
1171 {
1172         int error;
1173         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1174         struct snd_pcm_runtime *runtime = substream->runtime;
1175
1176         if ((error = snd_opti93x_open(chip, OPTi93X_MODE_CAPTURE)) < 0)
1177                 return error;
1178         runtime->hw = snd_opti93x_capture;
1179         snd_pcm_set_sync(substream);
1180         chip->capture_substream = substream;
1181         snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
1182         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
1183         return error;
1184 }
1185
1186 static int snd_opti93x_playback_close(struct snd_pcm_substream *substream)
1187 {
1188         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1189
1190         chip->playback_substream = NULL;
1191         snd_opti93x_close(chip, OPTi93X_MODE_PLAY);
1192         return 0;
1193 }
1194
1195 static int snd_opti93x_capture_close(struct snd_pcm_substream *substream)
1196 {
1197         struct snd_opti93x *chip = snd_pcm_substream_chip(substream);
1198
1199         chip->capture_substream = NULL;
1200         snd_opti93x_close(chip, OPTi93X_MODE_CAPTURE);
1201         return 0;
1202 }
1203
1204
1205 static void snd_opti93x_init(struct snd_opti93x *chip)
1206 {
1207         unsigned long flags;
1208         int i;
1209
1210         spin_lock_irqsave(&chip->lock, flags);
1211         snd_opti93x_mce_up(chip);
1212
1213         for (i = 0; i < 32; i++)
1214                 snd_opti93x_out_image(chip, i, snd_opti93x_default_image[i]);
1215
1216         snd_opti93x_mce_down(chip);
1217         spin_unlock_irqrestore(&chip->lock, flags);
1218 }
1219
1220 static int snd_opti93x_probe(struct snd_opti93x *chip)
1221 {
1222         unsigned long flags;
1223         unsigned char val;
1224
1225         spin_lock_irqsave(&chip->lock, flags);
1226         val = snd_opti93x_in(chip, OPTi93X_ID) & 0x0f;
1227         spin_unlock_irqrestore(&chip->lock, flags);
1228
1229         return (val == 0x0a) ? 0 : -ENODEV;
1230 }
1231
1232 static int snd_opti93x_free(struct snd_opti93x *chip)
1233 {
1234         release_and_free_resource(chip->res_port);
1235         if (chip->dma1 >= 0) {
1236                 disable_dma(chip->dma1);
1237                 free_dma(chip->dma1);
1238         }
1239         if (chip->dma2 >= 0) {
1240                 disable_dma(chip->dma2);
1241                 free_dma(chip->dma2);
1242         }
1243         if (chip->irq >= 0) {
1244           free_irq(chip->irq, chip);
1245         }
1246         kfree(chip);
1247         return 0;
1248 }
1249
1250 static int snd_opti93x_dev_free(struct snd_device *device)
1251 {
1252         struct snd_opti93x *chip = device->device_data;
1253         return snd_opti93x_free(chip);
1254 }
1255
1256 static const char *snd_opti93x_chip_id(struct snd_opti93x *codec)
1257 {
1258         switch (codec->hardware) {
1259         case OPTi9XX_HW_82C930: return "82C930";
1260         case OPTi9XX_HW_82C931: return "82C931";
1261         case OPTi9XX_HW_82C933: return "82C933";
1262         default:                return "???";
1263         }
1264 }
1265
1266 static int snd_opti93x_create(struct snd_card *card, struct snd_opti9xx *chip,
1267                               int dma1, int dma2,
1268                               struct snd_opti93x **rcodec)
1269 {
1270         static struct snd_device_ops ops = {
1271                 .dev_free =     snd_opti93x_dev_free,
1272         };
1273         int error;
1274         struct snd_opti93x *codec;
1275
1276         *rcodec = NULL;
1277         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1278         if (codec == NULL)
1279                 return -ENOMEM;
1280         codec->irq = -1;
1281         codec->dma1 = -1;
1282         codec->dma2 = -1;
1283
1284         if ((codec->res_port = request_region(chip->wss_base + 4, 4, "OPTI93x CODEC")) == NULL) {
1285                 snd_printk(KERN_ERR "opti9xx: can't grab port 0x%lx\n", chip->wss_base + 4);
1286                 snd_opti93x_free(codec);
1287                 return -EBUSY;
1288         }
1289         if (request_dma(dma1, "OPTI93x - 1")) {
1290                 snd_printk(KERN_ERR "opti9xx: can't grab DMA1 %d\n", dma1);
1291                 snd_opti93x_free(codec);
1292                 return -EBUSY;
1293         }
1294         codec->dma1 = chip->dma1;
1295         if (request_dma(dma2, "OPTI93x - 2")) {
1296                 snd_printk(KERN_ERR "opti9xx: can't grab DMA2 %d\n", dma2);
1297                 snd_opti93x_free(codec);
1298                 return -EBUSY;
1299         }
1300         codec->dma2 = chip->dma2;
1301
1302         if (request_irq(chip->irq, snd_opti93x_interrupt, IRQF_DISABLED, DEV_NAME" - WSS", codec)) {
1303                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
1304                 snd_opti93x_free(codec);
1305                 return -EBUSY;
1306         }
1307
1308         codec->card = card;
1309         codec->port = chip->wss_base + 4;
1310         codec->irq = chip->irq;
1311
1312         spin_lock_init(&codec->lock);
1313         codec->hardware = chip->hardware;
1314         codec->chip = chip;
1315
1316         if ((error = snd_opti93x_probe(codec))) {
1317                 snd_opti93x_free(codec);
1318                 return error;
1319         }
1320
1321         snd_opti93x_init(codec);
1322
1323         /* Register device */
1324         if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
1325                 snd_opti93x_free(codec);
1326                 return error;
1327         }
1328
1329         *rcodec = codec;
1330         return 0;
1331 }
1332
1333 static struct snd_pcm_ops snd_opti93x_playback_ops = {
1334         .open =         snd_opti93x_playback_open,
1335         .close =        snd_opti93x_playback_close,
1336         .ioctl =        snd_pcm_lib_ioctl,
1337         .hw_params =    snd_opti93x_hw_params,
1338         .hw_free =      snd_opti93x_hw_free,
1339         .prepare =      snd_opti93x_playback_prepare,
1340         .trigger =      snd_opti93x_playback_trigger,
1341         .pointer =      snd_opti93x_playback_pointer,
1342 };
1343
1344 static struct snd_pcm_ops snd_opti93x_capture_ops = {
1345         .open =         snd_opti93x_capture_open,
1346         .close =        snd_opti93x_capture_close,
1347         .ioctl =        snd_pcm_lib_ioctl,
1348         .hw_params =    snd_opti93x_hw_params,
1349         .hw_free =      snd_opti93x_hw_free,
1350         .prepare =      snd_opti93x_capture_prepare,
1351         .trigger =      snd_opti93x_capture_trigger,
1352         .pointer =      snd_opti93x_capture_pointer,
1353 };
1354
1355 static int snd_opti93x_pcm(struct snd_opti93x *codec, int device, struct snd_pcm **rpcm)
1356 {
1357         int error;
1358         struct snd_pcm *pcm;
1359
1360         if ((error = snd_pcm_new(codec->card, "OPTi 82C93X", device, 1, 1, &pcm)) < 0)
1361                 return error;
1362
1363         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_opti93x_playback_ops);
1364         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_opti93x_capture_ops);
1365
1366         pcm->private_data = codec;
1367         pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
1368
1369         strcpy(pcm->name, snd_opti93x_chip_id(codec));
1370
1371         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1372                                               snd_dma_isa_data(),
1373                                               64*1024, codec->dma1 > 3 || codec->dma2 > 3 ? 128*1024 : 64*1024);
1374
1375         codec->pcm = pcm;
1376         if (rpcm)
1377                 *rpcm = pcm;
1378         return 0;
1379 }
1380
1381 /*
1382  *  MIXER part
1383  */
1384
1385 static int snd_opti93x_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1386 {
1387         static char *texts[4] = {
1388                 "Line1", "Aux", "Mic", "Mix"
1389         };
1390
1391         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1392         uinfo->count = 2;
1393         uinfo->value.enumerated.items = 4;
1394         if (uinfo->value.enumerated.item > 3)
1395                 uinfo->value.enumerated.item = 3;
1396         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
1397         return 0;
1398 }
1399
1400 static int snd_opti93x_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1401 {
1402         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1403         unsigned long flags;
1404         
1405         spin_lock_irqsave(&chip->lock, flags);
1406         ucontrol->value.enumerated.item[0] = (chip->image[OPTi93X_MIXOUT_LEFT] & OPTi93X_MIXOUT_MIXER) >> 6;
1407         ucontrol->value.enumerated.item[1] = (chip->image[OPTi93X_MIXOUT_RIGHT] & OPTi93X_MIXOUT_MIXER) >> 6;
1408         spin_unlock_irqrestore(&chip->lock, flags);
1409         return 0;
1410 }
1411
1412 static int snd_opti93x_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1413 {
1414         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1415         unsigned long flags;
1416         unsigned short left, right;
1417         int change;
1418         
1419         if (ucontrol->value.enumerated.item[0] > 3 ||
1420             ucontrol->value.enumerated.item[1] > 3)
1421                 return -EINVAL;
1422         left = ucontrol->value.enumerated.item[0] << 6;
1423         right = ucontrol->value.enumerated.item[1] << 6;
1424         spin_lock_irqsave(&chip->lock, flags);
1425         left = (chip->image[OPTi93X_MIXOUT_LEFT] & ~OPTi93X_MIXOUT_MIXER) | left;
1426         right = (chip->image[OPTi93X_MIXOUT_RIGHT] & ~OPTi93X_MIXOUT_MIXER) | right;
1427         change = left != chip->image[OPTi93X_MIXOUT_LEFT] ||
1428                  right != chip->image[OPTi93X_MIXOUT_RIGHT];
1429         snd_opti93x_out_image(chip, OPTi93X_MIXOUT_LEFT, left);
1430         snd_opti93x_out_image(chip, OPTi93X_MIXOUT_RIGHT, right);
1431         spin_unlock_irqrestore(&chip->lock, flags);
1432         return change;
1433 }
1434
1435 #if 0
1436
1437 #define OPTi93X_SINGLE(xname, xindex, reg, shift, mask, invert) \
1438 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1439   .info = snd_opti93x_info_single, \
1440   .get = snd_opti93x_get_single, .put = snd_opti93x_put_single, \
1441   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
1442
1443 static int snd_opti93x_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1444 {
1445         int mask = (kcontrol->private_value >> 16) & 0xff;
1446
1447         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1448         uinfo->count = 1;
1449         uinfo->value.integer.min = 0;
1450         uinfo->value.integer.max = mask;
1451         return 0;
1452 }
1453
1454 static int snd_opti93x_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1455 {
1456         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1457         unsigned long flags;
1458         int reg = kcontrol->private_value & 0xff;
1459         int shift = (kcontrol->private_value >> 8) & 0xff;
1460         int mask = (kcontrol->private_value >> 16) & 0xff;
1461         int invert = (kcontrol->private_value >> 24) & 0xff;
1462         
1463         spin_lock_irqsave(&chip->lock, flags);
1464         ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
1465         spin_unlock_irqrestore(&chip->lock, flags);
1466         if (invert)
1467                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1468         return 0;
1469 }
1470
1471 static int snd_opti93x_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1472 {
1473         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1474         unsigned long flags;
1475         int reg = kcontrol->private_value & 0xff;
1476         int shift = (kcontrol->private_value >> 8) & 0xff;
1477         int mask = (kcontrol->private_value >> 16) & 0xff;
1478         int invert = (kcontrol->private_value >> 24) & 0xff;
1479         int change;
1480         unsigned short val;
1481         
1482         val = (ucontrol->value.integer.value[0] & mask);
1483         if (invert)
1484                 val = mask - val;
1485         val <<= shift;
1486         spin_lock_irqsave(&chip->lock, flags);
1487         val = (chip->image[reg] & ~(mask << shift)) | val;
1488         change = val != chip->image[reg];
1489         snd_opti93x_out(chip, reg, val);
1490         spin_unlock_irqrestore(&chip->lock, flags);
1491         return change;
1492 }
1493
1494 #endif /* single */
1495
1496 #define OPTi93X_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
1497 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1498   .info = snd_opti93x_info_double, \
1499   .get = snd_opti93x_get_double, .put = snd_opti93x_put_double, \
1500   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
1501
1502 #define OPTi93X_DOUBLE_INVERT_INVERT(xctl) \
1503         do { xctl.private_value ^= 22; } while (0)
1504 #define OPTi93X_DOUBLE_CHANGE_REGS(xctl, left_reg, right_reg) \
1505         do { xctl.private_value &= ~0x0000ffff; \
1506              xctl.private_value |= left_reg | (right_reg << 8); } while (0)
1507
1508 static int snd_opti93x_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1509 {
1510         int mask = (kcontrol->private_value >> 24) & 0xff;
1511
1512         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1513         uinfo->count = 2;
1514         uinfo->value.integer.min = 0;
1515         uinfo->value.integer.max = mask;
1516         return 0;
1517 }
1518
1519 static int snd_opti93x_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1520 {
1521         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1522         unsigned long flags;
1523         int left_reg = kcontrol->private_value & 0xff;
1524         int right_reg = (kcontrol->private_value >> 8) & 0xff;
1525         int shift_left = (kcontrol->private_value >> 16) & 0x07;
1526         int shift_right = (kcontrol->private_value >> 19) & 0x07;
1527         int mask = (kcontrol->private_value >> 24) & 0xff;
1528         int invert = (kcontrol->private_value >> 22) & 1;
1529         
1530         spin_lock_irqsave(&chip->lock, flags);
1531         ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
1532         ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask;
1533         spin_unlock_irqrestore(&chip->lock, flags);
1534         if (invert) {
1535                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
1536                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
1537         }
1538         return 0;
1539 }
1540
1541 static int snd_opti93x_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1542 {
1543         struct snd_opti93x *chip = snd_kcontrol_chip(kcontrol);
1544         unsigned long flags;
1545         int left_reg = kcontrol->private_value & 0xff;
1546         int right_reg = (kcontrol->private_value >> 8) & 0xff;
1547         int shift_left = (kcontrol->private_value >> 16) & 0x07;
1548         int shift_right = (kcontrol->private_value >> 19) & 0x07;
1549         int mask = (kcontrol->private_value >> 24) & 0xff;
1550         int invert = (kcontrol->private_value >> 22) & 1;
1551         int change;
1552         unsigned short val1, val2;
1553         
1554         val1 = ucontrol->value.integer.value[0] & mask;
1555         val2 = ucontrol->value.integer.value[1] & mask;
1556         if (invert) {
1557                 val1 = mask - val1;
1558                 val2 = mask - val2;
1559         }
1560         val1 <<= shift_left;
1561         val2 <<= shift_right;
1562         spin_lock_irqsave(&chip->lock, flags);
1563         val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
1564         val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
1565         change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
1566         snd_opti93x_out_image(chip, left_reg, val1);
1567         snd_opti93x_out_image(chip, right_reg, val2);
1568         spin_unlock_irqrestore(&chip->lock, flags);
1569         return change;
1570 }
1571
1572 static struct snd_kcontrol_new snd_opti93x_controls[] __devinitdata = {
1573 OPTi93X_DOUBLE("Master Playback Switch", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
1574 OPTi93X_DOUBLE("Master Playback Volume", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1), 
1575 OPTi93X_DOUBLE("PCM Playback Switch", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 7, 7, 1, 1),
1576 OPTi93X_DOUBLE("PCM Playback Volume", 0, OPTi93X_DAC_LEFT, OPTi93X_DAC_RIGHT, 0, 0, 31, 1),
1577 OPTi93X_DOUBLE("FM Playback Switch", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 7, 7, 1, 1),
1578 OPTi93X_DOUBLE("FM Playback Volume", 0, OPTi931_FM_LEFT_INPUT, OPTi931_FM_RIGHT_INPUT, 1, 1, 15, 1),
1579 OPTi93X_DOUBLE("Line Playback Switch", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 7, 7, 1, 1),
1580 OPTi93X_DOUBLE("Line Playback Volume", 0, OPTi93X_LINE_LEFT_INPUT, OPTi93X_LINE_RIGHT_INPUT, 1, 1, 15, 1), 
1581 OPTi93X_DOUBLE("Mic Playback Switch", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
1582 OPTi93X_DOUBLE("Mic Playback Volume", 0, OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1), 
1583 OPTi93X_DOUBLE("Mic Boost", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 5, 5, 1, 1),
1584 OPTi93X_DOUBLE("CD Playback Switch", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 7, 7, 1, 1),
1585 OPTi93X_DOUBLE("CD Playback Volume", 0, OPTi93X_CD_LEFT_INPUT, OPTi93X_CD_RIGHT_INPUT, 1, 1, 15, 1),
1586 OPTi93X_DOUBLE("Aux Playback Switch", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
1587 OPTi93X_DOUBLE("Aux Playback Volume", 0, OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1), 
1588 OPTi93X_DOUBLE("Capture Volume", 0, OPTi93X_MIXOUT_LEFT, OPTi93X_MIXOUT_RIGHT, 0, 0, 15, 0),
1589 {
1590         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1591         .name = "Capture Source",
1592         .info = snd_opti93x_info_mux,
1593         .get = snd_opti93x_get_mux,
1594         .put = snd_opti93x_put_mux,
1595 }
1596 };
1597                                         
1598 static int snd_opti93x_mixer(struct snd_opti93x *chip)
1599 {
1600         struct snd_card *card;
1601         struct snd_kcontrol_new knew;
1602         int err;
1603         unsigned int idx;
1604
1605         snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
1606
1607         card = chip->card;
1608
1609         strcpy(card->mixername, snd_opti93x_chip_id(chip));
1610
1611         for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
1612                 knew = snd_opti93x_controls[idx];
1613                 if (chip->hardware == OPTi9XX_HW_82C930) {
1614                         if (strstr(knew.name, "FM"))    /* skip FM controls */
1615                                 continue;
1616                         else if (strcmp(knew.name, "Mic Playback Volume"))
1617                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1618                         else if (strstr(knew.name, "Aux"))
1619                                 OPTi93X_DOUBLE_CHANGE_REGS(knew, OPTi930_AUX_LEFT_INPUT, OPTi930_AUX_RIGHT_INPUT);
1620                         else if (strcmp(knew.name, "PCM Playback Volume"))
1621                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1622                         else if (strcmp(knew.name, "Master Playback Volume"))
1623                                 OPTi93X_DOUBLE_INVERT_INVERT(knew);
1624                 }
1625                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], chip))) < 0)
1626                         return err;
1627         }
1628         return 0;
1629 }
1630
1631 #endif /* OPTi93X */
1632
1633 static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
1634                                              struct snd_opti9xx *chip)
1635 {
1636         int i, err;
1637
1638 #ifndef OPTi93X
1639         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
1640                 unsigned char value;
1641
1642                 if ((err = snd_opti9xx_init(chip, i)) < 0)
1643                         return err;
1644
1645                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1646                         continue;
1647
1648                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
1649                 if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1650                         if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
1651                                 return 1;
1652
1653                 release_and_free_resource(chip->res_mc_base);
1654                 chip->res_mc_base = NULL;
1655
1656         }
1657 #else   /* OPTi93X */
1658         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
1659                 unsigned long flags;
1660                 unsigned char value;
1661
1662                 if ((err = snd_opti9xx_init(chip, i)) < 0)
1663                         return err;
1664
1665                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1666                         continue;
1667
1668                 spin_lock_irqsave(&chip->lock, flags);
1669                 outb(chip->password, chip->mc_base + chip->pwd_reg);
1670                 outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
1671                         ((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
1672                 spin_unlock_irqrestore(&chip->lock, flags);
1673
1674                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
1675                 snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
1676                 if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
1677                         return 1;
1678
1679                 release_and_free_resource(chip->res_mc_base);
1680                 chip->res_mc_base = NULL;
1681         }
1682 #endif  /* OPTi93X */
1683
1684         return -ENODEV;
1685 }
1686
1687 #ifdef CONFIG_PNP
1688 static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
1689                                           struct pnp_card_link *card,
1690                                           const struct pnp_card_device_id *pid)
1691 {
1692         struct pnp_dev *pdev;
1693         struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
1694         int err;
1695
1696         if (!cfg)
1697                 return -ENOMEM;
1698         chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
1699         if (chip->dev == NULL) {
1700                 kfree(cfg);
1701                 return -EBUSY;
1702         }
1703         chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
1704
1705         pdev = chip->dev;
1706         pnp_init_resource_table(cfg);
1707
1708 #ifdef OPTi93X
1709         if (port != SNDRV_AUTO_PORT)
1710                 pnp_resource_change(&cfg->port_resource[0], port + 4, 4);
1711 #else
1712         if (pid->driver_data != 0x0924 && port != SNDRV_AUTO_PORT)
1713                 pnp_resource_change(&cfg->port_resource[1], port, 4);
1714 #endif  /* OPTi93X */
1715         if (irq != SNDRV_AUTO_IRQ)
1716                 pnp_resource_change(&cfg->irq_resource[0], irq, 1);
1717         if (dma1 != SNDRV_AUTO_DMA)
1718                 pnp_resource_change(&cfg->dma_resource[0], dma1, 1);
1719 #if defined(CS4231) || defined(OPTi93X)
1720         if (dma2 != SNDRV_AUTO_DMA)
1721                 pnp_resource_change(&cfg->dma_resource[1], dma2, 1);
1722 #else
1723 #ifdef snd_opti9xx_fixup_dma2
1724         snd_opti9xx_fixup_dma2(pdev);
1725 #endif
1726 #endif  /* CS4231 || OPTi93X */
1727 #ifdef OPTi93X
1728         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1729                 pnp_resource_change(&cfg->port_resource[1], fm_port, 4);
1730 #else
1731         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT)
1732                 pnp_resource_change(&cfg->port_resource[2], fm_port, 4);
1733 #endif
1734         if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1735                 snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1736         err = pnp_activate_dev(pdev);
1737         if (err < 0) {
1738                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
1739                 kfree(cfg);
1740                 return err;
1741         }
1742
1743 #ifdef OPTi93X
1744         port = pnp_port_start(pdev, 0) - 4;
1745         fm_port = pnp_port_start(pdev, 1) + 8;
1746 #else
1747         if (pid->driver_data != 0x0924)
1748                 port = pnp_port_start(pdev, 1);
1749         fm_port = pnp_port_start(pdev, 2) + 8;
1750 #endif  /* OPTi93X */
1751         irq = pnp_irq(pdev, 0);
1752         dma1 = pnp_dma(pdev, 0);
1753 #if defined(CS4231) || defined(OPTi93X)
1754         dma2 = pnp_dma(pdev, 1);
1755 #endif  /* CS4231 || OPTi93X */
1756
1757         pdev = chip->devmpu;
1758         if (pdev && mpu_port > 0) {
1759                 pnp_init_resource_table(cfg);
1760
1761                 if (mpu_port != SNDRV_AUTO_PORT)
1762                         pnp_resource_change(&cfg->port_resource[0], mpu_port, 2);
1763                 if (mpu_irq != SNDRV_AUTO_IRQ)
1764                         pnp_resource_change(&cfg->irq_resource[0], mpu_irq, 1);
1765
1766                 if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
1767                         snd_printk(KERN_ERR "AUDIO the requested resources are invalid, using auto config\n");
1768                 err = pnp_activate_dev(pdev);
1769                 if (err < 0) {
1770                         snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
1771                         mpu_port = -1;
1772                         chip->devmpu = NULL;
1773                 } else {
1774                         mpu_port = pnp_port_start(pdev, 0);
1775                         mpu_irq = pnp_irq(pdev, 0);
1776                 }
1777         }
1778         kfree(cfg);
1779         return pid->driver_data;
1780 }
1781 #endif  /* CONFIG_PNP */
1782
1783 static void snd_card_opti9xx_free(struct snd_card *card)
1784 {
1785         struct snd_opti9xx *chip = card->private_data;
1786         
1787         if (chip)
1788                 release_and_free_resource(chip->res_mc_base);
1789 }
1790
1791 static int __devinit snd_opti9xx_probe(struct snd_card *card)
1792 {
1793         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1794         int error;
1795         struct snd_opti9xx *chip = card->private_data;
1796 #if defined(OPTi93X)
1797         struct snd_opti93x *codec;
1798 #elif defined(CS4231)
1799         struct snd_cs4231 *codec;
1800         struct snd_timer *timer;
1801 #else
1802         struct snd_ad1848 *codec;
1803 #endif
1804         struct snd_pcm *pcm;
1805         struct snd_rawmidi *rmidi;
1806         struct snd_hwdep *synth;
1807
1808         if (! chip->res_mc_base &&
1809             (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
1810                                                 "OPTi9xx MC")) == NULL)
1811                 return -ENOMEM;
1812
1813         chip->wss_base = port;
1814         chip->fm_port = fm_port;
1815         chip->mpu_port = mpu_port;
1816         chip->irq = irq;
1817         chip->mpu_irq = mpu_irq;
1818         chip->dma1 = dma1;
1819 #if defined(CS4231) || defined(OPTi93X)
1820         chip->dma2 = dma2;
1821 #endif
1822
1823         if (chip->wss_base == SNDRV_AUTO_PORT) {
1824                 if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1825                         snd_printk("unable to find a free WSS port\n");
1826                         return -EBUSY;
1827                 }
1828         }
1829         if ((error = snd_opti9xx_configure(chip)))
1830                 return error;
1831
1832 #if defined(OPTi93X)
1833         if ((error = snd_opti93x_create(card, chip, chip->dma1, chip->dma2, &codec)))
1834                 return error;
1835         if ((error = snd_opti93x_pcm(codec, 0, &pcm)) < 0)
1836                 return error;
1837         if ((error = snd_opti93x_mixer(codec)) < 0)
1838                 return error;
1839 #elif defined(CS4231)
1840         if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1,
1841                                        chip->irq, chip->dma1, chip->dma2,
1842                                        CS4231_HW_DETECT,
1843                                        0,
1844                                        &codec)) < 0)
1845                 return error;
1846         if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0)
1847                 return error;
1848         if ((error = snd_cs4231_mixer(codec)) < 0)
1849                 return error;
1850         if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0)
1851                 return error;
1852 #else
1853         if ((error = snd_ad1848_create(card, chip->wss_base + 4,
1854                                        chip->irq, chip->dma1,
1855                                        AD1848_HW_DETECT, &codec)) < 0)
1856                 return error;
1857         if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0)
1858                 return error;
1859         if ((error = snd_ad1848_mixer(codec)) < 0)
1860                 return error;
1861 #endif
1862         strcpy(card->driver, chip->name);
1863         sprintf(card->shortname, "OPTi %s", card->driver);
1864 #if defined(CS4231) || defined(OPTi93X)
1865         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
1866                 card->shortname, pcm->name, chip->wss_base + 4,
1867                 chip->irq, chip->dma1, chip->dma2);
1868 #else
1869         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
1870                 card->shortname, pcm->name, chip->wss_base + 4,
1871                 chip->irq, chip->dma1);
1872 #endif  /* CS4231 || OPTi93X */
1873
1874         if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
1875                 rmidi = NULL;
1876         else
1877                 if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1878                                 chip->mpu_port, 0, chip->mpu_irq, IRQF_DISABLED,
1879                                 &rmidi)))
1880                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
1881                                    chip->mpu_port);
1882
1883         if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
1884                 struct snd_opl3 *opl3 = NULL;
1885 #ifndef OPTi93X
1886                 if (chip->hardware == OPTi9XX_HW_82C928 ||
1887                     chip->hardware == OPTi9XX_HW_82C929 ||
1888                     chip->hardware == OPTi9XX_HW_82C924) {
1889                         struct snd_opl4 *opl4;
1890                         /* assume we have an OPL4 */
1891                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1892                                                0x20, 0x20);
1893                         if (snd_opl4_create(card,
1894                                             chip->fm_port,
1895                                             chip->fm_port - 8,
1896                                             2, &opl3, &opl4) < 0) {
1897                                 /* no luck, use OPL3 instead */
1898                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
1899                                                        0x00, 0x20);
1900                         }
1901                 }
1902 #endif  /* !OPTi93X */
1903                 if (!opl3 && snd_opl3_create(card,
1904                                              chip->fm_port,
1905                                              chip->fm_port + 2,
1906                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
1907                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
1908                                    chip->fm_port, chip->fm_port + 4 - 1);
1909                 }
1910                 if (opl3) {
1911 #ifdef CS4231
1912                         const int t1dev = 1;
1913 #else
1914                         const int t1dev = 0;
1915 #endif
1916                         if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
1917                                 return error;
1918                         if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
1919                                 return error;
1920                 }
1921         }
1922
1923         return snd_card_register(card);
1924 }
1925
1926 static struct snd_card *snd_opti9xx_card_new(void)
1927 {
1928         struct snd_card *card;
1929
1930         card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
1931         if (! card)
1932                 return NULL;
1933         card->private_free = snd_card_opti9xx_free;
1934         return card;
1935 }
1936
1937 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
1938                                            unsigned int dev)
1939 {
1940 #ifdef CONFIG_PNP
1941         if (snd_opti9xx_pnp_is_probed)
1942                 return 0;
1943         if (isapnp)
1944                 return 0;
1945 #endif
1946         return 1;
1947 }
1948
1949 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
1950                                            unsigned int dev)
1951 {
1952         struct snd_card *card;
1953         int error;
1954         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
1955 #ifdef OPTi93X
1956         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
1957 #else
1958         static int possible_irqs[] = {9, 10, 11, 7, -1};
1959 #endif  /* OPTi93X */
1960         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
1961         static int possible_dma1s[] = {3, 1, 0, -1};
1962 #if defined(CS4231) || defined(OPTi93X)
1963         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1964 #endif  /* CS4231 || OPTi93X */
1965
1966         if (mpu_port == SNDRV_AUTO_PORT) {
1967                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1968                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1969                         return -EBUSY;
1970                 }
1971         }
1972         if (irq == SNDRV_AUTO_IRQ) {
1973                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1974                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
1975                         return -EBUSY;
1976                 }
1977         }
1978         if (mpu_irq == SNDRV_AUTO_IRQ) {
1979                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1980                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1981                         return -EBUSY;
1982                 }
1983         }
1984         if (dma1 == SNDRV_AUTO_DMA) {
1985                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1986                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
1987                         return -EBUSY;
1988                 }
1989         }
1990 #if defined(CS4231) || defined(OPTi93X)
1991         if (dma2 == SNDRV_AUTO_DMA) {
1992                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1993                         snd_printk("unable to find a free DMA2\n");
1994                         return -EBUSY;
1995                 }
1996         }
1997 #endif
1998
1999         card = snd_opti9xx_card_new();
2000         if (! card)
2001                 return -ENOMEM;
2002
2003         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
2004                 snd_card_free(card);
2005                 return error;
2006         }
2007         snd_card_set_dev(card, devptr);
2008         if ((error = snd_opti9xx_probe(card)) < 0) {
2009                 snd_card_free(card);
2010                 return error;
2011         }
2012         dev_set_drvdata(devptr, card);
2013         return 0;
2014 }
2015
2016 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
2017                                             unsigned int dev)
2018 {
2019         snd_card_free(dev_get_drvdata(devptr));
2020         dev_set_drvdata(devptr, NULL);
2021         return 0;
2022 }
2023
2024 static struct isa_driver snd_opti9xx_driver = {
2025         .match          = snd_opti9xx_isa_match,
2026         .probe          = snd_opti9xx_isa_probe,
2027         .remove         = __devexit_p(snd_opti9xx_isa_remove),
2028         /* FIXME: suspend/resume */
2029         .driver         = {
2030                 .name   = DEV_NAME
2031         },
2032 };
2033
2034 #ifdef CONFIG_PNP
2035 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
2036                                            const struct pnp_card_device_id *pid)
2037 {
2038         struct snd_card *card;
2039         int error, hw;
2040         struct snd_opti9xx *chip;
2041
2042         if (snd_opti9xx_pnp_is_probed)
2043                 return -EBUSY;
2044         if (! isapnp)
2045                 return -ENODEV;
2046         card = snd_opti9xx_card_new();
2047         if (! card)
2048                 return -ENOMEM;
2049         chip = card->private_data;
2050
2051         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
2052         switch (hw) {
2053         case 0x0924:
2054                 hw = OPTi9XX_HW_82C924;
2055                 break;
2056         case 0x0925:
2057                 hw = OPTi9XX_HW_82C925;
2058                 break;
2059         case 0x0931:
2060                 hw = OPTi9XX_HW_82C931;
2061                 break;
2062         default:
2063                 snd_card_free(card);
2064                 return -ENODEV;
2065         }
2066
2067         if ((error = snd_opti9xx_init(chip, hw))) {
2068                 snd_card_free(card);
2069                 return error;
2070         }
2071         if (hw <= OPTi9XX_HW_82C930)
2072                 chip->mc_base -= 0x80;
2073         snd_card_set_dev(card, &pcard->card->dev);
2074         if ((error = snd_opti9xx_probe(card)) < 0) {
2075                 snd_card_free(card);
2076                 return error;
2077         }
2078         pnp_set_card_drvdata(pcard, card);
2079         snd_opti9xx_pnp_is_probed = 1;
2080         return 0;
2081 }
2082
2083 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
2084 {
2085         snd_card_free(pnp_get_card_drvdata(pcard));
2086         pnp_set_card_drvdata(pcard, NULL);
2087         snd_opti9xx_pnp_is_probed = 0;
2088 }
2089
2090 static struct pnp_card_driver opti9xx_pnpc_driver = {
2091         .flags          = PNP_DRIVER_RES_DISABLE,
2092         .name           = "opti9xx",
2093         .id_table       = snd_opti9xx_pnpids,
2094         .probe          = snd_opti9xx_pnp_probe,
2095         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
2096 };
2097 #endif
2098
2099 #ifdef OPTi93X
2100 #define CHIP_NAME       "82C93x"
2101 #else
2102 #define CHIP_NAME       "82C92x"
2103 #endif
2104
2105 static int __init alsa_card_opti9xx_init(void)
2106 {
2107 #ifdef CONFIG_PNP
2108         pnp_register_card_driver(&opti9xx_pnpc_driver);
2109         if (snd_opti9xx_pnp_is_probed)
2110                 return 0;
2111         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
2112 #endif
2113         return isa_register_driver(&snd_opti9xx_driver, 1);
2114 }
2115
2116 static void __exit alsa_card_opti9xx_exit(void)
2117 {
2118         if (!snd_opti9xx_pnp_is_probed) {
2119                 isa_unregister_driver(&snd_opti9xx_driver);
2120                 return;
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)