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