ALSA: wss_lib: use wss pcm code instead of ad1848 one
[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 #if defined(CS4231) || defined(OPTi93X)
37 #include <sound/wss.h>
38 #else
39 #include <sound/ad1848.h>
40 #endif  /* CS4231 */
41 #include <sound/mpu401.h>
42 #include <sound/opl3.h>
43 #ifndef OPTi93X
44 #include <sound/opl4.h>
45 #endif
46 #define SNDRV_LEGACY_FIND_FREE_IRQ
47 #define SNDRV_LEGACY_FIND_FREE_DMA
48 #include <sound/initval.h>
49
50 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
51 MODULE_LICENSE("GPL");
52 #ifdef OPTi93X
53 MODULE_DESCRIPTION("OPTi93X");
54 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
55 #else   /* OPTi93X */
56 #ifdef CS4231
57 MODULE_DESCRIPTION("OPTi92X - CS4231");
58 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
59                 "{OPTi,82C925 (CS4231)}}");
60 #else   /* CS4231 */
61 MODULE_DESCRIPTION("OPTi92X - AD1848");
62 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
63                 "{OPTi,82C925 (AD1848)},"
64                 "{OAK,Mozart}}");
65 #endif  /* CS4231 */
66 #endif  /* OPTi93X */
67
68 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
69 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
70 //static int enable = SNDRV_DEFAULT_ENABLE1;    /* Enable this card */
71 #ifdef CONFIG_PNP
72 static int isapnp = 1;                  /* Enable ISA PnP detection */
73 #endif
74 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
75 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
76 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
77 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
78 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
79 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
80 #if defined(CS4231) || defined(OPTi93X)
81 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
82 #endif  /* CS4231 || OPTi93X */
83
84 module_param(index, int, 0444);
85 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
86 module_param(id, charp, 0444);
87 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
88 //module_param(enable, bool, 0444);
89 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
90 #ifdef CONFIG_PNP
91 module_param(isapnp, bool, 0444);
92 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
93 #endif
94 module_param(port, long, 0444);
95 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
96 module_param(mpu_port, long, 0444);
97 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
98 module_param(fm_port, long, 0444);
99 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
100 module_param(irq, int, 0444);
101 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
102 module_param(mpu_irq, int, 0444);
103 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
104 module_param(dma1, int, 0444);
105 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
106 #if defined(CS4231) || defined(OPTi93X)
107 module_param(dma2, int, 0444);
108 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
109 #endif  /* CS4231 || OPTi93X */
110
111 #define OPTi9XX_HW_82C928       1
112 #define OPTi9XX_HW_82C929       2
113 #define OPTi9XX_HW_82C924       3
114 #define OPTi9XX_HW_82C925       4
115 #define OPTi9XX_HW_82C930       5
116 #define OPTi9XX_HW_82C931       6
117 #define OPTi9XX_HW_82C933       7
118 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
119
120 #define OPTi9XX_MC_REG(n)       n
121
122 #ifdef OPTi93X
123
124 #define OPTi93X_STATUS                  0x02
125 #define OPTi93X_PORT(chip, r)           ((chip)->port + OPTi93X_##r)
126
127 #define OPTi93X_IRQ_PLAYBACK            0x04
128 #define OPTi93X_IRQ_CAPTURE             0x08
129
130 #endif /* OPTi93X */
131
132 struct snd_opti9xx {
133         unsigned short hardware;
134         unsigned char password;
135         char name[7];
136
137         unsigned long mc_base;
138         struct resource *res_mc_base;
139         unsigned long mc_base_size;
140 #ifdef OPTi93X
141         unsigned long mc_indir_index;
142         struct snd_wss *codec;
143 #endif  /* OPTi93X */
144         unsigned long pwd_reg;
145
146         spinlock_t lock;
147
148         long wss_base;
149         int irq;
150         int dma1;
151 #if defined(CS4231) || defined(OPTi93X)
152         int dma2;
153 #endif  /* CS4231 || OPTi93X */
154
155         long fm_port;
156
157         long mpu_port;
158         int mpu_irq;
159
160 #ifdef CONFIG_PNP
161         struct pnp_dev *dev;
162         struct pnp_dev *devmpu;
163 #endif  /* CONFIG_PNP */
164 };
165
166 static int snd_opti9xx_pnp_is_probed;
167
168 #ifdef CONFIG_PNP
169
170 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
171 #ifndef OPTi93X
172         /* OPTi 82C924 */
173         { .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
174         /* OPTi 82C925 */
175         { .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
176 #else
177         /* OPTi 82C931/3 */
178         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
179 #endif  /* OPTi93X */
180         { .id = "" }
181 };
182
183 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
184
185 #endif  /* CONFIG_PNP */
186
187 #ifdef OPTi93X
188 #define DEV_NAME "opti93x"
189 #else
190 #define DEV_NAME "opti92x"
191 #endif
192
193 static char * snd_opti9xx_names[] = {
194         "unkown",
195         "82C928",       "82C929",
196         "82C924",       "82C925",
197         "82C930",       "82C931",       "82C933"
198 };
199
200
201 static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
202 {
203         while (*port_table != -1) {
204                 if (request_region(*port_table, size, "ALSA test")) {
205                         release_region(*port_table, size);
206                         return *port_table;
207                 }
208                 port_table++;
209         }
210         return -1;
211 }
212
213 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
214                                       unsigned short hardware)
215 {
216         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
217
218         chip->hardware = hardware;
219         strcpy(chip->name, snd_opti9xx_names[hardware]);
220
221         chip->mc_base_size = opti9xx_mc_size[hardware];  
222
223         spin_lock_init(&chip->lock);
224
225         chip->wss_base = -1;
226         chip->irq = -1;
227         chip->dma1 = -1;
228 #if defined(CS4231) || defined (OPTi93X)
229         chip->dma2 = -1;
230 #endif  /* CS4231 || OPTi93X */
231         chip->fm_port = -1;
232         chip->mpu_port = -1;
233         chip->mpu_irq = -1;
234
235         switch (hardware) {
236 #ifndef OPTi93X
237         case OPTi9XX_HW_82C928:
238         case OPTi9XX_HW_82C929:
239                 chip->mc_base = 0xf8c;
240                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
241                 chip->pwd_reg = 3;
242                 break;
243
244         case OPTi9XX_HW_82C924:
245         case OPTi9XX_HW_82C925:
246                 chip->mc_base = 0xf8c;
247                 chip->password = 0xe5;
248                 chip->pwd_reg = 3;
249                 break;
250 #else   /* OPTi93X */
251
252         case OPTi9XX_HW_82C930:
253         case OPTi9XX_HW_82C931:
254         case OPTi9XX_HW_82C933:
255                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
256                 chip->mc_indir_index = 0xe0e;
257                 chip->password = 0xe4;
258                 chip->pwd_reg = 0;
259                 break;
260 #endif  /* OPTi93X */
261
262         default:
263                 snd_printk("chip %d not supported\n", hardware);
264                 return -ENODEV;
265         }
266         return 0;
267 }
268
269 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
270                                       unsigned char reg)
271 {
272         unsigned long flags;
273         unsigned char retval = 0xff;
274
275         spin_lock_irqsave(&chip->lock, flags);
276         outb(chip->password, chip->mc_base + chip->pwd_reg);
277
278         switch (chip->hardware) {
279 #ifndef OPTi93X
280         case OPTi9XX_HW_82C924:
281         case OPTi9XX_HW_82C925:
282                 if (reg > 7) {
283                         outb(reg, chip->mc_base + 8);
284                         outb(chip->password, chip->mc_base + chip->pwd_reg);
285                         retval = inb(chip->mc_base + 9);
286                         break;
287                 }
288
289         case OPTi9XX_HW_82C928:
290         case OPTi9XX_HW_82C929:
291                 retval = inb(chip->mc_base + reg);
292                 break;
293 #else   /* OPTi93X */
294
295         case OPTi9XX_HW_82C930:
296         case OPTi9XX_HW_82C931:
297         case OPTi9XX_HW_82C933:
298                 outb(reg, chip->mc_indir_index);
299                 outb(chip->password, chip->mc_base + chip->pwd_reg);
300                 retval = inb(chip->mc_indir_index + 1);
301                 break;
302 #endif  /* OPTi93X */
303
304         default:
305                 snd_printk("chip %d not supported\n", chip->hardware);
306         }
307
308         spin_unlock_irqrestore(&chip->lock, flags);
309         return retval;
310 }
311         
312 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
313                               unsigned char value)
314 {
315         unsigned long flags;
316
317         spin_lock_irqsave(&chip->lock, flags);
318         outb(chip->password, chip->mc_base + chip->pwd_reg);
319
320         switch (chip->hardware) {
321 #ifndef OPTi93X
322         case OPTi9XX_HW_82C924:
323         case OPTi9XX_HW_82C925:
324                 if (reg > 7) {
325                         outb(reg, chip->mc_base + 8);
326                         outb(chip->password, chip->mc_base + chip->pwd_reg);
327                         outb(value, chip->mc_base + 9);
328                         break;
329                 }
330
331         case OPTi9XX_HW_82C928:
332         case OPTi9XX_HW_82C929:
333                 outb(value, chip->mc_base + reg);
334                 break;
335 #else   /* OPTi93X */
336
337         case OPTi9XX_HW_82C930:
338         case OPTi9XX_HW_82C931:
339         case OPTi9XX_HW_82C933:
340                 outb(reg, chip->mc_indir_index);
341                 outb(chip->password, chip->mc_base + chip->pwd_reg);
342                 outb(value, chip->mc_indir_index + 1);
343                 break;
344 #endif  /* OPTi93X */
345
346         default:
347                 snd_printk("chip %d not supported\n", chip->hardware);
348         }
349
350         spin_unlock_irqrestore(&chip->lock, flags);
351 }
352
353
354 #define snd_opti9xx_write_mask(chip, reg, value, mask)  \
355         snd_opti9xx_write(chip, reg,                    \
356                 (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
357
358
359 static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip)
360 {
361         unsigned char wss_base_bits;
362         unsigned char irq_bits;
363         unsigned char dma_bits;
364         unsigned char mpu_port_bits = 0;
365         unsigned char mpu_irq_bits;
366
367         switch (chip->hardware) {
368 #ifndef OPTi93X
369         case OPTi9XX_HW_82C924:
370                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
371                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
372
373         case OPTi9XX_HW_82C925:
374                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
375                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
376                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
377 #ifdef CS4231
378                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
379 #else
380                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
381 #endif  /* CS4231 */
382                 break;
383
384         case OPTi9XX_HW_82C928:
385         case OPTi9XX_HW_82C929:
386                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
387                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
388                 /*
389                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
390                 */
391                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
392 #ifdef CS4231
393                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
394 #else
395                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
396 #endif  /* CS4231 */
397                 break;
398
399 #else   /* OPTi93X */
400         case OPTi9XX_HW_82C931:
401         case OPTi9XX_HW_82C933:
402                 /*
403                  * The BTC 1817DW has QS1000 wavetable which is connected
404                  * to the serial digital input of the OPTI931.
405                  */
406                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
407                 /* 
408                  * This bit sets OPTI931 to automaticaly select FM
409                  * or digital input signal.
410                  */
411                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
412         case OPTi9XX_HW_82C930: /* FALL THROUGH */
413                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
414                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
415                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
416                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
417                         0x34);
418                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
419                 break;
420 #endif  /* OPTi93X */
421
422         default:
423                 snd_printk("chip %d not supported\n", chip->hardware);
424                 return -EINVAL;
425         }
426
427         switch (chip->wss_base) {
428         case 0x530:
429                 wss_base_bits = 0x00;
430                 break;
431         case 0x604:
432                 wss_base_bits = 0x03;
433                 break;
434         case 0xe80:
435                 wss_base_bits = 0x01;
436                 break;
437         case 0xf40:
438                 wss_base_bits = 0x02;
439                 break;
440         default:
441                 snd_printk("WSS port 0x%lx not valid\n", chip->wss_base);
442                 goto __skip_base;
443         }
444         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
445
446 __skip_base:
447         switch (chip->irq) {
448 //#ifdef OPTi93X
449         case 5:
450                 irq_bits = 0x05;
451                 break;
452 //#endif        /* OPTi93X */
453         case 7:
454                 irq_bits = 0x01;
455                 break;
456         case 9:
457                 irq_bits = 0x02;
458                 break;
459         case 10:
460                 irq_bits = 0x03;
461                 break;
462         case 11:
463                 irq_bits = 0x04;
464                 break;
465         default:
466                 snd_printk("WSS irq # %d not valid\n", chip->irq);
467                 goto __skip_resources;
468         }
469
470         switch (chip->dma1) {
471         case 0:
472                 dma_bits = 0x01;
473                 break;
474         case 1:
475                 dma_bits = 0x02;
476                 break;
477         case 3:
478                 dma_bits = 0x03;
479                 break;
480         default:
481                 snd_printk("WSS dma1 # %d not valid\n", chip->dma1);
482                 goto __skip_resources;
483         }
484
485 #if defined(CS4231) || defined(OPTi93X)
486         if (chip->dma1 == chip->dma2) {
487                 snd_printk("don't want to share dmas\n");
488                 return -EBUSY;
489         }
490
491         switch (chip->dma2) {
492         case 0:
493         case 1:
494                 break;
495         default:
496                 snd_printk("WSS dma2 # %d not valid\n", chip->dma2);
497                 goto __skip_resources;
498         }
499         dma_bits |= 0x04;
500 #endif  /* CS4231 || OPTi93X */
501
502 #ifndef OPTi93X
503          outb(irq_bits << 3 | dma_bits, chip->wss_base);
504 #else /* OPTi93X */
505         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
506 #endif /* OPTi93X */
507
508 __skip_resources:
509         if (chip->hardware > OPTi9XX_HW_82C928) {
510                 switch (chip->mpu_port) {
511                 case 0:
512                 case -1:
513                         break;
514                 case 0x300:
515                         mpu_port_bits = 0x03;
516                         break;
517                 case 0x310:
518                         mpu_port_bits = 0x02;
519                         break;
520                 case 0x320:
521                         mpu_port_bits = 0x01;
522                         break;
523                 case 0x330:
524                         mpu_port_bits = 0x00;
525                         break;
526                 default:
527                         snd_printk("MPU-401 port 0x%lx not valid\n",
528                                 chip->mpu_port);
529                         goto __skip_mpu;
530                 }
531
532                 switch (chip->mpu_irq) {
533                 case 5:
534                         mpu_irq_bits = 0x02;
535                         break;
536                 case 7:
537                         mpu_irq_bits = 0x03;
538                         break;
539                 case 9:
540                         mpu_irq_bits = 0x00;
541                         break;
542                 case 10:
543                         mpu_irq_bits = 0x01;
544                         break;
545                 default:
546                         snd_printk("MPU-401 irq # %d not valid\n",
547                                 chip->mpu_irq);
548                         goto __skip_mpu;
549                 }
550
551                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
552                         (chip->mpu_port <= 0) ? 0x00 :
553                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
554                         0xf8);
555         }
556 __skip_mpu:
557
558         return 0;
559 }
560
561 #ifdef OPTi93X
562
563 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
564 {
565         struct snd_wss *codec = dev_id;
566         struct snd_opti9xx *chip = codec->card->private_data;
567         unsigned char status;
568
569         status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
570         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
571                 snd_pcm_period_elapsed(codec->playback_substream);
572         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
573                 snd_wss_overrange(codec);
574                 snd_pcm_period_elapsed(codec->capture_substream);
575         }
576         outb(0x00, OPTi93X_PORT(codec, STATUS));
577         return IRQ_HANDLED;
578 }
579
580 #endif /* OPTi93X */
581
582 static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
583                                              struct snd_opti9xx *chip)
584 {
585         int i, err;
586
587 #ifndef OPTi93X
588         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
589                 unsigned char value;
590
591                 if ((err = snd_opti9xx_init(chip, i)) < 0)
592                         return err;
593
594                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
595                         continue;
596
597                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
598                 if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
599                         if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
600                                 return 1;
601
602                 release_and_free_resource(chip->res_mc_base);
603                 chip->res_mc_base = NULL;
604
605         }
606 #else   /* OPTi93X */
607         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
608                 unsigned long flags;
609                 unsigned char value;
610
611                 if ((err = snd_opti9xx_init(chip, i)) < 0)
612                         return err;
613
614                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
615                         continue;
616
617                 spin_lock_irqsave(&chip->lock, flags);
618                 outb(chip->password, chip->mc_base + chip->pwd_reg);
619                 outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
620                         ((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
621                 spin_unlock_irqrestore(&chip->lock, flags);
622
623                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
624                 snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
625                 if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
626                         return 1;
627
628                 release_and_free_resource(chip->res_mc_base);
629                 chip->res_mc_base = NULL;
630         }
631 #endif  /* OPTi93X */
632
633         return -ENODEV;
634 }
635
636 #ifdef CONFIG_PNP
637 static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
638                                           struct pnp_card_link *card,
639                                           const struct pnp_card_device_id *pid)
640 {
641         struct pnp_dev *pdev;
642         int err;
643
644         chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
645         if (chip->dev == NULL)
646                 return -EBUSY;
647
648         chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
649
650         pdev = chip->dev;
651
652         err = pnp_activate_dev(pdev);
653         if (err < 0) {
654                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
655                 return err;
656         }
657
658 #ifdef OPTi93X
659         port = pnp_port_start(pdev, 0) - 4;
660         fm_port = pnp_port_start(pdev, 1) + 8;
661 #else
662         if (pid->driver_data != 0x0924)
663                 port = pnp_port_start(pdev, 1);
664         fm_port = pnp_port_start(pdev, 2) + 8;
665 #endif  /* OPTi93X */
666         irq = pnp_irq(pdev, 0);
667         dma1 = pnp_dma(pdev, 0);
668 #if defined(CS4231) || defined(OPTi93X)
669         dma2 = pnp_dma(pdev, 1);
670 #endif  /* CS4231 || OPTi93X */
671
672         pdev = chip->devmpu;
673         if (pdev && mpu_port > 0) {
674                 err = pnp_activate_dev(pdev);
675                 if (err < 0) {
676                         snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
677                         mpu_port = -1;
678                         chip->devmpu = NULL;
679                 } else {
680                         mpu_port = pnp_port_start(pdev, 0);
681                         mpu_irq = pnp_irq(pdev, 0);
682                 }
683         }
684         return pid->driver_data;
685 }
686 #endif  /* CONFIG_PNP */
687
688 static void snd_card_opti9xx_free(struct snd_card *card)
689 {
690         struct snd_opti9xx *chip = card->private_data;
691         
692         if (chip) {
693 #ifdef OPTi93X
694                 struct snd_wss *codec = chip->codec;
695                 if (codec && codec->irq > 0) {
696                         disable_irq(codec->irq);
697                         free_irq(codec->irq, codec);
698                 }
699 #endif
700                 release_and_free_resource(chip->res_mc_base);
701         }
702 }
703
704 static int __devinit snd_opti9xx_probe(struct snd_card *card)
705 {
706         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
707         int error;
708         struct snd_opti9xx *chip = card->private_data;
709         struct snd_wss *codec;
710 #ifdef CS4231
711         struct snd_timer *timer;
712 #endif
713         struct snd_pcm *pcm;
714         struct snd_rawmidi *rmidi;
715         struct snd_hwdep *synth;
716
717         if (! chip->res_mc_base &&
718             (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
719                                                 "OPTi9xx MC")) == NULL)
720                 return -ENOMEM;
721
722         chip->wss_base = port;
723         chip->fm_port = fm_port;
724         chip->mpu_port = mpu_port;
725         chip->irq = irq;
726         chip->mpu_irq = mpu_irq;
727         chip->dma1 = dma1;
728 #if defined(CS4231) || defined(OPTi93X)
729         chip->dma2 = dma2;
730 #endif
731
732         if (chip->wss_base == SNDRV_AUTO_PORT) {
733                 chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4);
734                 if (chip->wss_base < 0) {
735                         snd_printk("unable to find a free WSS port\n");
736                         return -EBUSY;
737                 }
738         }
739         error = snd_opti9xx_configure(chip);
740         if (error)
741                 return error;
742
743 #if defined(CS4231) || defined(OPTi93X)
744         error = snd_wss_create(card, chip->wss_base + 4, -1,
745                                chip->irq, chip->dma1, chip->dma2,
746 #ifdef CS4231
747                                WSS_HW_DETECT, 0,
748 #else /* OPTi93x */
749                                WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
750 #endif
751                                &codec);
752         if (error < 0)
753                 return error;
754 #ifdef OPTi93X
755         chip->codec = codec;
756 #endif
757 #else
758         error = snd_ad1848_create(card, chip->wss_base + 4, chip->irq,
759                                   chip->dma1, WSS_HW_DETECT, &codec);
760         if (error < 0)
761                 return error;
762 #endif
763         error = snd_wss_pcm(codec, 0, &pcm);
764         if (error < 0)
765                 return error;
766         error = snd_wss_mixer(codec);
767         if (error < 0)
768                 return error;
769 #ifdef CS4231
770         error = snd_wss_timer(codec, 0, &timer);
771         if (error < 0)
772                 return error;
773 #endif
774 #ifdef OPTi93X
775         error = request_irq(chip->irq, snd_opti93x_interrupt,
776                             IRQF_DISABLED, DEV_NAME" - WSS", codec);
777         if (error < 0) {
778                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
779                 return error;
780         }
781 #endif
782         strcpy(card->driver, chip->name);
783         sprintf(card->shortname, "OPTi %s", card->driver);
784 #if defined(CS4231) || defined(OPTi93X)
785         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
786                 card->shortname, pcm->name, chip->wss_base + 4,
787                 chip->irq, chip->dma1, chip->dma2);
788 #else
789         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
790                 card->shortname, pcm->name, chip->wss_base + 4,
791                 chip->irq, chip->dma1);
792 #endif  /* CS4231 || OPTi93X */
793
794         if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
795                 rmidi = NULL;
796         else
797                 if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
798                                 chip->mpu_port, 0, chip->mpu_irq, IRQF_DISABLED,
799                                 &rmidi)))
800                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
801                                    chip->mpu_port);
802
803         if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
804                 struct snd_opl3 *opl3 = NULL;
805 #ifndef OPTi93X
806                 if (chip->hardware == OPTi9XX_HW_82C928 ||
807                     chip->hardware == OPTi9XX_HW_82C929 ||
808                     chip->hardware == OPTi9XX_HW_82C924) {
809                         struct snd_opl4 *opl4;
810                         /* assume we have an OPL4 */
811                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
812                                                0x20, 0x20);
813                         if (snd_opl4_create(card,
814                                             chip->fm_port,
815                                             chip->fm_port - 8,
816                                             2, &opl3, &opl4) < 0) {
817                                 /* no luck, use OPL3 instead */
818                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
819                                                        0x00, 0x20);
820                         }
821                 }
822 #endif  /* !OPTi93X */
823                 if (!opl3 && snd_opl3_create(card,
824                                              chip->fm_port,
825                                              chip->fm_port + 2,
826                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
827                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
828                                    chip->fm_port, chip->fm_port + 4 - 1);
829                 }
830                 if (opl3) {
831 #ifdef CS4231
832                         const int t1dev = 1;
833 #else
834                         const int t1dev = 0;
835 #endif
836                         if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
837                                 return error;
838                         if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
839                                 return error;
840                 }
841         }
842
843         return snd_card_register(card);
844 }
845
846 static struct snd_card *snd_opti9xx_card_new(void)
847 {
848         struct snd_card *card;
849
850         card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
851         if (! card)
852                 return NULL;
853         card->private_free = snd_card_opti9xx_free;
854         return card;
855 }
856
857 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
858                                            unsigned int dev)
859 {
860 #ifdef CONFIG_PNP
861         if (snd_opti9xx_pnp_is_probed)
862                 return 0;
863         if (isapnp)
864                 return 0;
865 #endif
866         return 1;
867 }
868
869 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
870                                            unsigned int dev)
871 {
872         struct snd_card *card;
873         int error;
874         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
875 #ifdef OPTi93X
876         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
877 #else
878         static int possible_irqs[] = {9, 10, 11, 7, -1};
879 #endif  /* OPTi93X */
880         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
881         static int possible_dma1s[] = {3, 1, 0, -1};
882 #if defined(CS4231) || defined(OPTi93X)
883         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
884 #endif  /* CS4231 || OPTi93X */
885
886         if (mpu_port == SNDRV_AUTO_PORT) {
887                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
888                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
889                         return -EBUSY;
890                 }
891         }
892         if (irq == SNDRV_AUTO_IRQ) {
893                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
894                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
895                         return -EBUSY;
896                 }
897         }
898         if (mpu_irq == SNDRV_AUTO_IRQ) {
899                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
900                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
901                         return -EBUSY;
902                 }
903         }
904         if (dma1 == SNDRV_AUTO_DMA) {
905                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
906                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
907                         return -EBUSY;
908                 }
909         }
910 #if defined(CS4231) || defined(OPTi93X)
911         if (dma2 == SNDRV_AUTO_DMA) {
912                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
913                         snd_printk("unable to find a free DMA2\n");
914                         return -EBUSY;
915                 }
916         }
917 #endif
918
919         card = snd_opti9xx_card_new();
920         if (! card)
921                 return -ENOMEM;
922
923         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
924                 snd_card_free(card);
925                 return error;
926         }
927         snd_card_set_dev(card, devptr);
928         if ((error = snd_opti9xx_probe(card)) < 0) {
929                 snd_card_free(card);
930                 return error;
931         }
932         dev_set_drvdata(devptr, card);
933         return 0;
934 }
935
936 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
937                                             unsigned int dev)
938 {
939         snd_card_free(dev_get_drvdata(devptr));
940         dev_set_drvdata(devptr, NULL);
941         return 0;
942 }
943
944 static struct isa_driver snd_opti9xx_driver = {
945         .match          = snd_opti9xx_isa_match,
946         .probe          = snd_opti9xx_isa_probe,
947         .remove         = __devexit_p(snd_opti9xx_isa_remove),
948         /* FIXME: suspend/resume */
949         .driver         = {
950                 .name   = DEV_NAME
951         },
952 };
953
954 #ifdef CONFIG_PNP
955 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
956                                            const struct pnp_card_device_id *pid)
957 {
958         struct snd_card *card;
959         int error, hw;
960         struct snd_opti9xx *chip;
961
962         if (snd_opti9xx_pnp_is_probed)
963                 return -EBUSY;
964         if (! isapnp)
965                 return -ENODEV;
966         card = snd_opti9xx_card_new();
967         if (! card)
968                 return -ENOMEM;
969         chip = card->private_data;
970
971         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
972         switch (hw) {
973         case 0x0924:
974                 hw = OPTi9XX_HW_82C924;
975                 break;
976         case 0x0925:
977                 hw = OPTi9XX_HW_82C925;
978                 break;
979         case 0x0931:
980                 hw = OPTi9XX_HW_82C931;
981                 break;
982         default:
983                 snd_card_free(card);
984                 return -ENODEV;
985         }
986
987         if ((error = snd_opti9xx_init(chip, hw))) {
988                 snd_card_free(card);
989                 return error;
990         }
991         if (hw <= OPTi9XX_HW_82C930)
992                 chip->mc_base -= 0x80;
993         snd_card_set_dev(card, &pcard->card->dev);
994         if ((error = snd_opti9xx_probe(card)) < 0) {
995                 snd_card_free(card);
996                 return error;
997         }
998         pnp_set_card_drvdata(pcard, card);
999         snd_opti9xx_pnp_is_probed = 1;
1000         return 0;
1001 }
1002
1003 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
1004 {
1005         snd_card_free(pnp_get_card_drvdata(pcard));
1006         pnp_set_card_drvdata(pcard, NULL);
1007         snd_opti9xx_pnp_is_probed = 0;
1008 }
1009
1010 static struct pnp_card_driver opti9xx_pnpc_driver = {
1011         .flags          = PNP_DRIVER_RES_DISABLE,
1012         .name           = "opti9xx",
1013         .id_table       = snd_opti9xx_pnpids,
1014         .probe          = snd_opti9xx_pnp_probe,
1015         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
1016 };
1017 #endif
1018
1019 #ifdef OPTi93X
1020 #define CHIP_NAME       "82C93x"
1021 #else
1022 #define CHIP_NAME       "82C92x"
1023 #endif
1024
1025 static int __init alsa_card_opti9xx_init(void)
1026 {
1027 #ifdef CONFIG_PNP
1028         pnp_register_card_driver(&opti9xx_pnpc_driver);
1029         if (snd_opti9xx_pnp_is_probed)
1030                 return 0;
1031         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1032 #endif
1033         return isa_register_driver(&snd_opti9xx_driver, 1);
1034 }
1035
1036 static void __exit alsa_card_opti9xx_exit(void)
1037 {
1038         if (!snd_opti9xx_pnp_is_probed) {
1039                 isa_unregister_driver(&snd_opti9xx_driver);
1040                 return;
1041         }
1042 #ifdef CONFIG_PNP
1043         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1044 #endif
1045 }
1046
1047 module_init(alsa_card_opti9xx_init)
1048 module_exit(alsa_card_opti9xx_exit)