a4af53b5c1cfefe30eaf0703ef7eea9dacdfb642
[linux-2.6.git] / sound / isa / opti9xx / opti92x-ad1848.c
1 /*
2     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
3     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
4
5     Part of this code was developed at the Italian Ministry of Air Defence,
6     Sixth Division (oh, che pace ...), Rome.
7
8     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
9
10     This program is free software; you can redistribute it and/or modify
11     it under the terms of the GNU General Public License as published by
12     the Free Software Foundation; either version 2 of the License, or
13     (at your option) any later version.
14
15     This program is distributed in the hope that it will be useful,
16     but WITHOUT ANY WARRANTY; without even the implied warranty of
17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18     GNU General Public License for more details.
19
20     You should have received a copy of the GNU General Public License
21     along with this program; if not, write to the Free Software
22     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23 */
24
25
26 #include <linux/init.h>
27 #include <linux/err.h>
28 #include <linux/isa.h>
29 #include <linux/delay.h>
30 #include <linux/slab.h>
31 #include <linux/pnp.h>
32 #include <linux/moduleparam.h>
33 #include <asm/io.h>
34 #include <asm/dma.h>
35 #include <sound/core.h>
36 #include <sound/tlv.h>
37 #include <sound/wss.h>
38 #include <sound/mpu401.h>
39 #include <sound/opl3.h>
40 #ifndef OPTi93X
41 #include <sound/opl4.h>
42 #endif
43 #define SNDRV_LEGACY_FIND_FREE_IRQ
44 #define SNDRV_LEGACY_FIND_FREE_DMA
45 #include <sound/initval.h>
46
47 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
48 MODULE_LICENSE("GPL");
49 #ifdef OPTi93X
50 MODULE_DESCRIPTION("OPTi93X");
51 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
52 #else   /* OPTi93X */
53 #ifdef CS4231
54 MODULE_DESCRIPTION("OPTi92X - CS4231");
55 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
56                 "{OPTi,82C925 (CS4231)}}");
57 #else   /* CS4231 */
58 MODULE_DESCRIPTION("OPTi92X - AD1848");
59 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
60                 "{OPTi,82C925 (AD1848)},"
61                 "{OAK,Mozart}}");
62 #endif  /* CS4231 */
63 #endif  /* OPTi93X */
64
65 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
66 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
67 //static int enable = SNDRV_DEFAULT_ENABLE1;    /* Enable this card */
68 #ifdef CONFIG_PNP
69 static int isapnp = 1;                  /* Enable ISA PnP detection */
70 #endif
71 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
72 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
73 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
74 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
75 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
76 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
77 #if defined(CS4231) || defined(OPTi93X)
78 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
79 #endif  /* CS4231 || OPTi93X */
80
81 module_param(index, int, 0444);
82 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
83 module_param(id, charp, 0444);
84 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
85 //module_param(enable, bool, 0444);
86 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
87 #ifdef CONFIG_PNP
88 module_param(isapnp, bool, 0444);
89 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
90 #endif
91 module_param(port, long, 0444);
92 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
93 module_param(mpu_port, long, 0444);
94 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
95 module_param(fm_port, long, 0444);
96 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
97 module_param(irq, int, 0444);
98 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
99 module_param(mpu_irq, int, 0444);
100 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
101 module_param(dma1, int, 0444);
102 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
103 #if defined(CS4231) || defined(OPTi93X)
104 module_param(dma2, int, 0444);
105 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
106 #endif  /* CS4231 || OPTi93X */
107
108 #define OPTi9XX_HW_82C928       1
109 #define OPTi9XX_HW_82C929       2
110 #define OPTi9XX_HW_82C924       3
111 #define OPTi9XX_HW_82C925       4
112 #define OPTi9XX_HW_82C930       5
113 #define OPTi9XX_HW_82C931       6
114 #define OPTi9XX_HW_82C933       7
115 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
116
117 #define OPTi9XX_MC_REG(n)       n
118
119 #ifdef OPTi93X
120
121 #define OPTi93X_STATUS                  0x02
122 #define OPTi93X_PORT(chip, r)           ((chip)->port + OPTi93X_##r)
123
124 #define OPTi93X_IRQ_PLAYBACK            0x04
125 #define OPTi93X_IRQ_CAPTURE             0x08
126
127 #endif /* OPTi93X */
128
129 struct snd_opti9xx {
130         unsigned short hardware;
131         unsigned char password;
132         char name[7];
133
134         unsigned long mc_base;
135         struct resource *res_mc_base;
136         unsigned long mc_base_size;
137 #ifdef OPTi93X
138         unsigned long mc_indir_index;
139         unsigned long mc_indir_size;
140         struct resource *res_mc_indir;
141         struct snd_wss *codec;
142 #endif  /* OPTi93X */
143         unsigned long pwd_reg;
144
145         spinlock_t lock;
146
147         int irq;
148
149 #ifdef CONFIG_PNP
150         struct pnp_dev *dev;
151         struct pnp_dev *devmpu;
152 #endif  /* CONFIG_PNP */
153 };
154
155 static int snd_opti9xx_pnp_is_probed;
156
157 #ifdef CONFIG_PNP
158
159 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
160 #ifndef OPTi93X
161         /* OPTi 82C924 */
162         { .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
163         /* OPTi 82C925 */
164         { .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
165 #else
166         /* OPTi 82C931/3 */
167         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
168 #endif  /* OPTi93X */
169         { .id = "" }
170 };
171
172 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
173
174 #endif  /* CONFIG_PNP */
175
176 #ifdef OPTi93X
177 #define DEV_NAME "opti93x"
178 #else
179 #define DEV_NAME "opti92x"
180 #endif
181
182 static char * snd_opti9xx_names[] = {
183         "unknown",
184         "82C928",       "82C929",
185         "82C924",       "82C925",
186         "82C930",       "82C931",       "82C933"
187 };
188
189
190 static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
191 {
192         while (*port_table != -1) {
193                 if (request_region(*port_table, size, "ALSA test")) {
194                         release_region(*port_table, size);
195                         return *port_table;
196                 }
197                 port_table++;
198         }
199         return -1;
200 }
201
202 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
203                                       unsigned short hardware)
204 {
205         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
206
207         chip->hardware = hardware;
208         strcpy(chip->name, snd_opti9xx_names[hardware]);
209
210         chip->mc_base_size = opti9xx_mc_size[hardware];  
211
212         spin_lock_init(&chip->lock);
213
214         chip->irq = -1;
215
216         switch (hardware) {
217 #ifndef OPTi93X
218         case OPTi9XX_HW_82C928:
219         case OPTi9XX_HW_82C929:
220                 chip->mc_base = 0xf8c;
221                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
222                 chip->pwd_reg = 3;
223                 break;
224
225         case OPTi9XX_HW_82C924:
226         case OPTi9XX_HW_82C925:
227                 chip->mc_base = 0xf8c;
228                 chip->password = 0xe5;
229                 chip->pwd_reg = 3;
230                 break;
231 #else   /* OPTi93X */
232
233         case OPTi9XX_HW_82C930:
234         case OPTi9XX_HW_82C931:
235         case OPTi9XX_HW_82C933:
236                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
237                 if (!chip->mc_indir_index) {
238                         chip->mc_indir_index = 0xe0e;
239                         chip->mc_indir_size = 2;
240                 }
241                 chip->password = 0xe4;
242                 chip->pwd_reg = 0;
243                 break;
244 #endif  /* OPTi93X */
245
246         default:
247                 snd_printk(KERN_ERR "chip %d not supported\n", hardware);
248                 return -ENODEV;
249         }
250         return 0;
251 }
252
253 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
254                                       unsigned char reg)
255 {
256         unsigned long flags;
257         unsigned char retval = 0xff;
258
259         spin_lock_irqsave(&chip->lock, flags);
260         outb(chip->password, chip->mc_base + chip->pwd_reg);
261
262         switch (chip->hardware) {
263 #ifndef OPTi93X
264         case OPTi9XX_HW_82C924:
265         case OPTi9XX_HW_82C925:
266                 if (reg > 7) {
267                         outb(reg, chip->mc_base + 8);
268                         outb(chip->password, chip->mc_base + chip->pwd_reg);
269                         retval = inb(chip->mc_base + 9);
270                         break;
271                 }
272
273         case OPTi9XX_HW_82C928:
274         case OPTi9XX_HW_82C929:
275                 retval = inb(chip->mc_base + reg);
276                 break;
277 #else   /* OPTi93X */
278
279         case OPTi9XX_HW_82C930:
280         case OPTi9XX_HW_82C931:
281         case OPTi9XX_HW_82C933:
282                 outb(reg, chip->mc_indir_index);
283                 outb(chip->password, chip->mc_base + chip->pwd_reg);
284                 retval = inb(chip->mc_indir_index + 1);
285                 break;
286 #endif  /* OPTi93X */
287
288         default:
289                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
290         }
291
292         spin_unlock_irqrestore(&chip->lock, flags);
293         return retval;
294 }
295         
296 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
297                               unsigned char value)
298 {
299         unsigned long flags;
300
301         spin_lock_irqsave(&chip->lock, flags);
302         outb(chip->password, chip->mc_base + chip->pwd_reg);
303
304         switch (chip->hardware) {
305 #ifndef OPTi93X
306         case OPTi9XX_HW_82C924:
307         case OPTi9XX_HW_82C925:
308                 if (reg > 7) {
309                         outb(reg, chip->mc_base + 8);
310                         outb(chip->password, chip->mc_base + chip->pwd_reg);
311                         outb(value, chip->mc_base + 9);
312                         break;
313                 }
314
315         case OPTi9XX_HW_82C928:
316         case OPTi9XX_HW_82C929:
317                 outb(value, chip->mc_base + reg);
318                 break;
319 #else   /* OPTi93X */
320
321         case OPTi9XX_HW_82C930:
322         case OPTi9XX_HW_82C931:
323         case OPTi9XX_HW_82C933:
324                 outb(reg, chip->mc_indir_index);
325                 outb(chip->password, chip->mc_base + chip->pwd_reg);
326                 outb(value, chip->mc_indir_index + 1);
327                 break;
328 #endif  /* OPTi93X */
329
330         default:
331                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
332         }
333
334         spin_unlock_irqrestore(&chip->lock, flags);
335 }
336
337
338 #define snd_opti9xx_write_mask(chip, reg, value, mask)  \
339         snd_opti9xx_write(chip, reg,                    \
340                 (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
341
342
343 static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip,
344                                            long wss_base,
345                                            int irq, int dma1, int dma2,
346                                            long mpu_port, int mpu_irq)
347 {
348         unsigned char wss_base_bits;
349         unsigned char irq_bits;
350         unsigned char dma_bits;
351         unsigned char mpu_port_bits = 0;
352         unsigned char mpu_irq_bits;
353
354         switch (chip->hardware) {
355 #ifndef OPTi93X
356         case OPTi9XX_HW_82C924:
357                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
358                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
359
360         case OPTi9XX_HW_82C925:
361                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
362                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
363                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
364 #ifdef CS4231
365                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
366 #else
367                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
368 #endif  /* CS4231 */
369                 break;
370
371         case OPTi9XX_HW_82C928:
372         case OPTi9XX_HW_82C929:
373                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
374                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
375                 /*
376                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
377                 */
378                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
379 #ifdef CS4231
380                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
381 #else
382                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
383 #endif  /* CS4231 */
384                 break;
385
386 #else   /* OPTi93X */
387         case OPTi9XX_HW_82C931:
388         case OPTi9XX_HW_82C933:
389                 /*
390                  * The BTC 1817DW has QS1000 wavetable which is connected
391                  * to the serial digital input of the OPTI931.
392                  */
393                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
394                 /* 
395                  * This bit sets OPTI931 to automaticaly select FM
396                  * or digital input signal.
397                  */
398                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
399         case OPTi9XX_HW_82C930: /* FALL THROUGH */
400                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
401                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
402                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
403                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
404                         0x34);
405                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
406                 break;
407 #endif  /* OPTi93X */
408
409         default:
410                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
411                 return -EINVAL;
412         }
413
414         switch (wss_base) {
415         case 0x530:
416                 wss_base_bits = 0x00;
417                 break;
418         case 0x604:
419                 wss_base_bits = 0x03;
420                 break;
421         case 0xe80:
422                 wss_base_bits = 0x01;
423                 break;
424         case 0xf40:
425                 wss_base_bits = 0x02;
426                 break;
427         default:
428                 snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", wss_base);
429                 goto __skip_base;
430         }
431         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
432
433 __skip_base:
434         switch (irq) {
435 //#ifdef OPTi93X
436         case 5:
437                 irq_bits = 0x05;
438                 break;
439 //#endif        /* OPTi93X */
440         case 7:
441                 irq_bits = 0x01;
442                 break;
443         case 9:
444                 irq_bits = 0x02;
445                 break;
446         case 10:
447                 irq_bits = 0x03;
448                 break;
449         case 11:
450                 irq_bits = 0x04;
451                 break;
452         default:
453                 snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
454                 goto __skip_resources;
455         }
456
457         switch (dma1) {
458         case 0:
459                 dma_bits = 0x01;
460                 break;
461         case 1:
462                 dma_bits = 0x02;
463                 break;
464         case 3:
465                 dma_bits = 0x03;
466                 break;
467         default:
468                 snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
469                 goto __skip_resources;
470         }
471
472 #if defined(CS4231) || defined(OPTi93X)
473         if (dma1 == dma2) {
474                 snd_printk(KERN_ERR "don't want to share dmas\n");
475                 return -EBUSY;
476         }
477
478         switch (dma2) {
479         case 0:
480         case 1:
481                 break;
482         default:
483                 snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
484                 goto __skip_resources;
485         }
486         dma_bits |= 0x04;
487 #endif  /* CS4231 || OPTi93X */
488
489 #ifndef OPTi93X
490          outb(irq_bits << 3 | dma_bits, wss_base);
491 #else /* OPTi93X */
492         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
493 #endif /* OPTi93X */
494
495 __skip_resources:
496         if (chip->hardware > OPTi9XX_HW_82C928) {
497                 switch (mpu_port) {
498                 case 0:
499                 case -1:
500                         break;
501                 case 0x300:
502                         mpu_port_bits = 0x03;
503                         break;
504                 case 0x310:
505                         mpu_port_bits = 0x02;
506                         break;
507                 case 0x320:
508                         mpu_port_bits = 0x01;
509                         break;
510                 case 0x330:
511                         mpu_port_bits = 0x00;
512                         break;
513                 default:
514                         snd_printk(KERN_WARNING
515                                    "MPU-401 port 0x%lx not valid\n", mpu_port);
516                         goto __skip_mpu;
517                 }
518
519                 switch (mpu_irq) {
520                 case 5:
521                         mpu_irq_bits = 0x02;
522                         break;
523                 case 7:
524                         mpu_irq_bits = 0x03;
525                         break;
526                 case 9:
527                         mpu_irq_bits = 0x00;
528                         break;
529                 case 10:
530                         mpu_irq_bits = 0x01;
531                         break;
532                 default:
533                         snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
534                                 mpu_irq);
535                         goto __skip_mpu;
536                 }
537
538                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
539                         (mpu_port <= 0) ? 0x00 :
540                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
541                         0xf8);
542         }
543 __skip_mpu:
544
545         return 0;
546 }
547
548 #ifdef OPTi93X
549
550 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
551 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
552 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
553
554 static struct snd_kcontrol_new snd_opti93x_controls[] = {
555 WSS_DOUBLE("Master Playback Switch", 0,
556                 OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
557 WSS_DOUBLE_TLV("Master Playback Volume", 0,
558                 OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
559                 db_scale_5bit_3db_step),
560 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
561                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
562                 db_scale_5bit),
563 WSS_DOUBLE_TLV("FM Playback Volume", 0,
564                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
565                 db_scale_4bit_12db_max),
566 WSS_DOUBLE("Line Playback Switch", 0,
567                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
568 WSS_DOUBLE_TLV("Line Playback Volume", 0,
569                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
570                 db_scale_4bit_12db_max),
571 WSS_DOUBLE("Mic Playback Switch", 0,
572                 OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
573 WSS_DOUBLE_TLV("Mic Playback Volume", 0,
574                 OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
575                 db_scale_4bit_12db_max),
576 WSS_DOUBLE_TLV("CD Playback Volume", 0,
577                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
578                 db_scale_4bit_12db_max),
579 WSS_DOUBLE("Aux Playback Switch", 0,
580                 OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
581 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
582                 OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
583                 db_scale_4bit_12db_max),
584 };
585
586 static int __devinit snd_opti93x_mixer(struct snd_wss *chip)
587 {
588         struct snd_card *card;
589         unsigned int idx;
590         struct snd_ctl_elem_id id1, id2;
591         int err;
592
593         if (snd_BUG_ON(!chip || !chip->pcm))
594                 return -EINVAL;
595
596         card = chip->card;
597
598         strcpy(card->mixername, chip->pcm->name);
599
600         memset(&id1, 0, sizeof(id1));
601         memset(&id2, 0, sizeof(id2));
602         id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
603         /* reassign AUX0 switch to CD */
604         strcpy(id1.name, "Aux Playback Switch");
605         strcpy(id2.name, "CD Playback Switch");
606         err = snd_ctl_rename_id(card, &id1, &id2);
607         if (err < 0) {
608                 snd_printk(KERN_ERR "Cannot rename opti93x control\n");
609                 return err;
610         }
611         /* reassign AUX1 switch to FM */
612         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
613         strcpy(id2.name, "FM Playback Switch");
614         err = snd_ctl_rename_id(card, &id1, &id2);
615         if (err < 0) {
616                 snd_printk(KERN_ERR "Cannot rename opti93x control\n");
617                 return err;
618         }
619         /* remove AUX1 volume */
620         strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
621         snd_ctl_remove_id(card, &id1);
622
623         /* Replace WSS volume controls with OPTi93x volume controls */
624         id1.index = 0;
625         for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
626                 strcpy(id1.name, snd_opti93x_controls[idx].name);
627                 snd_ctl_remove_id(card, &id1);
628
629                 err = snd_ctl_add(card,
630                                 snd_ctl_new1(&snd_opti93x_controls[idx], chip));
631                 if (err < 0)
632                         return err;
633         }
634         return 0;
635 }
636
637 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
638 {
639         struct snd_opti9xx *chip = dev_id;
640         struct snd_wss *codec = chip->codec;
641         unsigned char status;
642
643         if (!codec)
644                 return IRQ_HANDLED;
645
646         status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
647         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
648                 snd_pcm_period_elapsed(codec->playback_substream);
649         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
650                 snd_wss_overrange(codec);
651                 snd_pcm_period_elapsed(codec->capture_substream);
652         }
653         outb(0x00, OPTi93X_PORT(codec, STATUS));
654         return IRQ_HANDLED;
655 }
656
657 #endif /* OPTi93X */
658
659 static int __devinit snd_opti9xx_read_check(struct snd_opti9xx *chip)
660 {
661         unsigned char value;
662 #ifdef OPTi93X
663         unsigned long flags;
664 #endif
665
666         chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
667                                            "OPTi9xx MC");
668         if (chip->res_mc_base == NULL)
669                 return -EBUSY;
670 #ifndef OPTi93X
671         value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
672         if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
673                 if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
674                         return 0;
675 #else   /* OPTi93X */
676         chip->res_mc_indir = request_region(chip->mc_indir_index,
677                                             chip->mc_indir_size,
678                                             "OPTi93x MC");
679         if (chip->res_mc_indir == NULL)
680                 return -EBUSY;
681
682         spin_lock_irqsave(&chip->lock, flags);
683         outb(chip->password, chip->mc_base + chip->pwd_reg);
684         outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
685         spin_unlock_irqrestore(&chip->lock, flags);
686
687         value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
688         snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
689         if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
690                 return 0;
691
692         release_and_free_resource(chip->res_mc_indir);
693         chip->res_mc_indir = NULL;
694 #endif  /* OPTi93X */
695         release_and_free_resource(chip->res_mc_base);
696         chip->res_mc_base = NULL;
697
698         return -ENODEV;
699 }
700
701 static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
702                                              struct snd_opti9xx *chip)
703 {
704         int i, err;
705
706 #ifndef OPTi93X
707         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
708 #else
709         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
710 #endif
711                 err = snd_opti9xx_init(chip, i);
712                 if (err < 0)
713                         return err;
714
715                 err = snd_opti9xx_read_check(chip);
716                 if (err == 0)
717                         return 1;
718 #ifdef OPTi93X
719                 chip->mc_indir_index = 0;
720 #endif
721         }
722         return -ENODEV;
723 }
724
725 #ifdef CONFIG_PNP
726 static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
727                                           struct pnp_card_link *card,
728                                           const struct pnp_card_device_id *pid)
729 {
730         struct pnp_dev *pdev;
731         int err;
732
733         chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
734         if (chip->dev == NULL)
735                 return -EBUSY;
736
737         chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
738
739         pdev = chip->dev;
740
741         err = pnp_activate_dev(pdev);
742         if (err < 0) {
743                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
744                 return err;
745         }
746
747 #ifdef OPTi93X
748         port = pnp_port_start(pdev, 0) - 4;
749         fm_port = pnp_port_start(pdev, 1) + 8;
750         chip->mc_indir_index = pnp_port_start(pdev, 3) + 2;
751         chip->mc_indir_size = pnp_port_len(pdev, 3) - 2;
752 #else
753         if (pid->driver_data != 0x0924)
754                 port = pnp_port_start(pdev, 1);
755         fm_port = pnp_port_start(pdev, 2) + 8;
756 #endif  /* OPTi93X */
757         irq = pnp_irq(pdev, 0);
758         dma1 = pnp_dma(pdev, 0);
759 #if defined(CS4231) || defined(OPTi93X)
760         dma2 = pnp_dma(pdev, 1);
761 #endif  /* CS4231 || OPTi93X */
762
763         pdev = chip->devmpu;
764         if (pdev && mpu_port > 0) {
765                 err = pnp_activate_dev(pdev);
766                 if (err < 0) {
767                         snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
768                         mpu_port = -1;
769                         chip->devmpu = NULL;
770                 } else {
771                         mpu_port = pnp_port_start(pdev, 0);
772                         mpu_irq = pnp_irq(pdev, 0);
773                 }
774         }
775         return pid->driver_data;
776 }
777 #endif  /* CONFIG_PNP */
778
779 static void snd_card_opti9xx_free(struct snd_card *card)
780 {
781         struct snd_opti9xx *chip = card->private_data;
782
783         if (chip) {
784 #ifdef OPTi93X
785                 if (chip->irq > 0) {
786                         disable_irq(chip->irq);
787                         free_irq(chip->irq, chip);
788                 }
789                 release_and_free_resource(chip->res_mc_indir);
790 #endif
791                 release_and_free_resource(chip->res_mc_base);
792         }
793 }
794
795 static int __devinit snd_opti9xx_probe(struct snd_card *card)
796 {
797         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
798         int error;
799         int xdma2;
800         struct snd_opti9xx *chip = card->private_data;
801         struct snd_wss *codec;
802 #ifdef CS4231
803         struct snd_timer *timer;
804 #endif
805         struct snd_pcm *pcm;
806         struct snd_rawmidi *rmidi;
807         struct snd_hwdep *synth;
808
809 #if defined(CS4231) || defined(OPTi93X)
810         xdma2 = dma2;
811 #else
812         xdma2 = -1;
813 #endif
814
815         if (port == SNDRV_AUTO_PORT) {
816                 port = snd_legacy_find_free_ioport(possible_ports, 4);
817                 if (port < 0) {
818                         snd_printk(KERN_ERR "unable to find a free WSS port\n");
819                         return -EBUSY;
820                 }
821         }
822         error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
823                                       mpu_port, mpu_irq);
824         if (error)
825                 return error;
826
827         error = snd_wss_create(card, port + 4, -1, irq, dma1, xdma2,
828 #ifdef OPTi93X
829                                WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
830 #else
831                                WSS_HW_DETECT, 0,
832 #endif
833                                &codec);
834         if (error < 0)
835                 return error;
836 #ifdef OPTi93X
837         chip->codec = codec;
838 #endif
839         error = snd_wss_pcm(codec, 0, &pcm);
840         if (error < 0)
841                 return error;
842         error = snd_wss_mixer(codec);
843         if (error < 0)
844                 return error;
845 #ifdef OPTi93X
846         error = snd_opti93x_mixer(codec);
847         if (error < 0)
848                 return error;
849 #endif
850 #ifdef CS4231
851         error = snd_wss_timer(codec, 0, &timer);
852         if (error < 0)
853                 return error;
854 #endif
855 #ifdef OPTi93X
856         error = request_irq(irq, snd_opti93x_interrupt,
857                             IRQF_DISABLED, DEV_NAME" - WSS", chip);
858         if (error < 0) {
859                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
860                 return error;
861         }
862 #endif
863         chip->irq = irq;
864         strcpy(card->driver, chip->name);
865         sprintf(card->shortname, "OPTi %s", card->driver);
866 #if defined(CS4231) || defined(OPTi93X)
867         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
868                 card->shortname, pcm->name, port + 4, irq, dma1, xdma2);
869 #else
870         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
871                 card->shortname, pcm->name, port + 4, irq, dma1);
872 #endif  /* CS4231 || OPTi93X */
873
874         if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
875                 rmidi = NULL;
876         else {
877                 error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
878                                 mpu_port, 0, mpu_irq, IRQF_DISABLED, &rmidi);
879                 if (error)
880                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
881                                    mpu_port);
882         }
883
884         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
885                 struct snd_opl3 *opl3 = NULL;
886 #ifndef OPTi93X
887                 if (chip->hardware == OPTi9XX_HW_82C928 ||
888                     chip->hardware == OPTi9XX_HW_82C929 ||
889                     chip->hardware == OPTi9XX_HW_82C924) {
890                         struct snd_opl4 *opl4;
891                         /* assume we have an OPL4 */
892                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
893                                                0x20, 0x20);
894                         if (snd_opl4_create(card, fm_port, fm_port - 8,
895                                             2, &opl3, &opl4) < 0) {
896                                 /* no luck, use OPL3 instead */
897                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
898                                                        0x00, 0x20);
899                         }
900                 }
901 #endif  /* !OPTi93X */
902                 if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
903                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
904                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
905                                    fm_port, fm_port + 4 - 1);
906                 }
907                 if (opl3) {
908                         error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
909                         if (error < 0)
910                                 return error;
911                 }
912         }
913
914         return snd_card_register(card);
915 }
916
917 static int snd_opti9xx_card_new(struct snd_card **cardp)
918 {
919         struct snd_card *card;
920         int err;
921
922         err = snd_card_create(index, id, THIS_MODULE,
923                               sizeof(struct snd_opti9xx), &card);
924         if (err < 0)
925                 return err;
926         card->private_free = snd_card_opti9xx_free;
927         *cardp = card;
928         return 0;
929 }
930
931 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
932                                            unsigned int dev)
933 {
934 #ifdef CONFIG_PNP
935         if (snd_opti9xx_pnp_is_probed)
936                 return 0;
937         if (isapnp)
938                 return 0;
939 #endif
940         return 1;
941 }
942
943 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
944                                            unsigned int dev)
945 {
946         struct snd_card *card;
947         int error;
948         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
949 #ifdef OPTi93X
950         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
951 #else
952         static int possible_irqs[] = {9, 10, 11, 7, -1};
953 #endif  /* OPTi93X */
954         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
955         static int possible_dma1s[] = {3, 1, 0, -1};
956 #if defined(CS4231) || defined(OPTi93X)
957         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
958 #endif  /* CS4231 || OPTi93X */
959
960         if (mpu_port == SNDRV_AUTO_PORT) {
961                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
962                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
963                         return -EBUSY;
964                 }
965         }
966         if (irq == SNDRV_AUTO_IRQ) {
967                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
968                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
969                         return -EBUSY;
970                 }
971         }
972         if (mpu_irq == SNDRV_AUTO_IRQ) {
973                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
974                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
975                         return -EBUSY;
976                 }
977         }
978         if (dma1 == SNDRV_AUTO_DMA) {
979                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
980                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
981                         return -EBUSY;
982                 }
983         }
984 #if defined(CS4231) || defined(OPTi93X)
985         if (dma2 == SNDRV_AUTO_DMA) {
986                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
987                         snd_printk(KERN_ERR "unable to find a free DMA2\n");
988                         return -EBUSY;
989                 }
990         }
991 #endif
992
993         error = snd_opti9xx_card_new(&card);
994         if (error < 0)
995                 return error;
996
997         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
998                 snd_card_free(card);
999                 return error;
1000         }
1001         snd_card_set_dev(card, devptr);
1002         if ((error = snd_opti9xx_probe(card)) < 0) {
1003                 snd_card_free(card);
1004                 return error;
1005         }
1006         dev_set_drvdata(devptr, card);
1007         return 0;
1008 }
1009
1010 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
1011                                             unsigned int dev)
1012 {
1013         snd_card_free(dev_get_drvdata(devptr));
1014         dev_set_drvdata(devptr, NULL);
1015         return 0;
1016 }
1017
1018 static struct isa_driver snd_opti9xx_driver = {
1019         .match          = snd_opti9xx_isa_match,
1020         .probe          = snd_opti9xx_isa_probe,
1021         .remove         = __devexit_p(snd_opti9xx_isa_remove),
1022         /* FIXME: suspend/resume */
1023         .driver         = {
1024                 .name   = DEV_NAME
1025         },
1026 };
1027
1028 #ifdef CONFIG_PNP
1029 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1030                                            const struct pnp_card_device_id *pid)
1031 {
1032         struct snd_card *card;
1033         int error, hw;
1034         struct snd_opti9xx *chip;
1035
1036         if (snd_opti9xx_pnp_is_probed)
1037                 return -EBUSY;
1038         if (! isapnp)
1039                 return -ENODEV;
1040         error = snd_opti9xx_card_new(&card);
1041         if (error < 0)
1042                 return error;
1043         chip = card->private_data;
1044
1045         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1046         switch (hw) {
1047         case 0x0924:
1048                 hw = OPTi9XX_HW_82C924;
1049                 break;
1050         case 0x0925:
1051                 hw = OPTi9XX_HW_82C925;
1052                 break;
1053         case 0x0931:
1054                 hw = OPTi9XX_HW_82C931;
1055                 break;
1056         default:
1057                 snd_card_free(card);
1058                 return -ENODEV;
1059         }
1060
1061         if ((error = snd_opti9xx_init(chip, hw))) {
1062                 snd_card_free(card);
1063                 return error;
1064         }
1065         if (hw <= OPTi9XX_HW_82C930)
1066                 chip->mc_base -= 0x80;
1067
1068         error = snd_opti9xx_read_check(chip);
1069         if (error) {
1070                 snd_printk(KERN_ERR "OPTI chip not found\n");
1071                 snd_card_free(card);
1072                 return error;
1073         }
1074         snd_card_set_dev(card, &pcard->card->dev);
1075         if ((error = snd_opti9xx_probe(card)) < 0) {
1076                 snd_card_free(card);
1077                 return error;
1078         }
1079         pnp_set_card_drvdata(pcard, card);
1080         snd_opti9xx_pnp_is_probed = 1;
1081         return 0;
1082 }
1083
1084 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
1085 {
1086         snd_card_free(pnp_get_card_drvdata(pcard));
1087         pnp_set_card_drvdata(pcard, NULL);
1088         snd_opti9xx_pnp_is_probed = 0;
1089 }
1090
1091 static struct pnp_card_driver opti9xx_pnpc_driver = {
1092         .flags          = PNP_DRIVER_RES_DISABLE,
1093         .name           = "opti9xx",
1094         .id_table       = snd_opti9xx_pnpids,
1095         .probe          = snd_opti9xx_pnp_probe,
1096         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
1097 };
1098 #endif
1099
1100 #ifdef OPTi93X
1101 #define CHIP_NAME       "82C93x"
1102 #else
1103 #define CHIP_NAME       "82C92x"
1104 #endif
1105
1106 static int __init alsa_card_opti9xx_init(void)
1107 {
1108 #ifdef CONFIG_PNP
1109         pnp_register_card_driver(&opti9xx_pnpc_driver);
1110         if (snd_opti9xx_pnp_is_probed)
1111                 return 0;
1112         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1113 #endif
1114         return isa_register_driver(&snd_opti9xx_driver, 1);
1115 }
1116
1117 static void __exit alsa_card_opti9xx_exit(void)
1118 {
1119         if (!snd_opti9xx_pnp_is_probed) {
1120                 isa_unregister_driver(&snd_opti9xx_driver);
1121                 return;
1122         }
1123 #ifdef CONFIG_PNP
1124         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1125 #endif
1126 }
1127
1128 module_init(alsa_card_opti9xx_init)
1129 module_exit(alsa_card_opti9xx_exit)