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TOMOYO Linux Cross Reference
Linux/sound/isa/opti9xx/opti92x-ad1848.c

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Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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/pnp.h>
 31 #include <linux/module.h>
 32 #include <linux/io.h>
 33 #include <asm/dma.h>
 34 #include <sound/core.h>
 35 #include <sound/tlv.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_IOPORT
 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 bool enable = SNDRV_DEFAULT_ENABLE1;   /* Enable this card */
 68 #ifdef CONFIG_PNP
 69 static bool isapnp = true;                      /* 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_hw(port, long, ioport, 0444);
 92 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
 93 module_param_hw(mpu_port, long, ioport, 0444);
 94 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
 95 module_param_hw(fm_port, long, ioport, 0444);
 96 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
 97 module_param_hw(irq, int, irq, 0444);
 98 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
 99 module_param_hw(mpu_irq, int, irq, 0444);
100 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
101 module_param_hw(dma1, int, dma, 0444);
102 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
103 #if defined(CS4231) || defined(OPTi93X)
104 module_param_hw(dma2, int, dma, 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         struct resource *res_mc_indir;
140 #endif  /* OPTi93X */
141         struct snd_wss *codec;
142         unsigned long pwd_reg;
143 
144         spinlock_t lock;
145 
146         long wss_base;
147         int irq;
148 };
149 
150 static int snd_opti9xx_pnp_is_probed;
151 
152 #ifdef CONFIG_PNP
153 
154 static const struct pnp_card_device_id snd_opti9xx_pnpids[] = {
155 #ifndef OPTi93X
156         /* OPTi 82C924 */
157         { .id = "OPT0924",
158           .devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
159           .driver_data = 0x0924 },
160         /* OPTi 82C925 */
161         { .id = "OPT0925",
162           .devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
163           .driver_data = 0x0925 },
164 #else
165         /* OPTi 82C931/3 */
166         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
167           .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 #define DEV_NAME KBUILD_MODNAME
177 
178 static char * snd_opti9xx_names[] = {
179         "unknown",
180         "82C928",       "82C929",
181         "82C924",       "82C925",
182         "82C930",       "82C931",       "82C933"
183 };
184 
185 static int snd_opti9xx_init(struct snd_opti9xx *chip,
186                             unsigned short hardware)
187 {
188         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
189 
190         chip->hardware = hardware;
191         strcpy(chip->name, snd_opti9xx_names[hardware]);
192 
193         spin_lock_init(&chip->lock);
194 
195         chip->irq = -1;
196 
197 #ifndef OPTi93X
198 #ifdef CONFIG_PNP
199         if (isapnp && chip->mc_base)
200                 /* PnP resource gives the least 10 bits */
201                 chip->mc_base |= 0xc00;
202         else
203 #endif  /* CONFIG_PNP */
204         {
205                 chip->mc_base = 0xf8c;
206                 chip->mc_base_size = opti9xx_mc_size[hardware];
207         }
208 #else
209                 chip->mc_base_size = opti9xx_mc_size[hardware];
210 #endif
211 
212         switch (hardware) {
213 #ifndef OPTi93X
214         case OPTi9XX_HW_82C928:
215         case OPTi9XX_HW_82C929:
216                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
217                 chip->pwd_reg = 3;
218                 break;
219 
220         case OPTi9XX_HW_82C924:
221         case OPTi9XX_HW_82C925:
222                 chip->password = 0xe5;
223                 chip->pwd_reg = 3;
224                 break;
225 #else   /* OPTi93X */
226 
227         case OPTi9XX_HW_82C930:
228         case OPTi9XX_HW_82C931:
229         case OPTi9XX_HW_82C933:
230                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
231                 if (!chip->mc_indir_index)
232                         chip->mc_indir_index = 0xe0e;
233                 chip->password = 0xe4;
234                 chip->pwd_reg = 0;
235                 break;
236 #endif  /* OPTi93X */
237 
238         default:
239                 snd_printk(KERN_ERR "chip %d not supported\n", hardware);
240                 return -ENODEV;
241         }
242         return 0;
243 }
244 
245 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
246                                       unsigned char reg)
247 {
248         unsigned long flags;
249         unsigned char retval = 0xff;
250 
251         spin_lock_irqsave(&chip->lock, flags);
252         outb(chip->password, chip->mc_base + chip->pwd_reg);
253 
254         switch (chip->hardware) {
255 #ifndef OPTi93X
256         case OPTi9XX_HW_82C924:
257         case OPTi9XX_HW_82C925:
258                 if (reg > 7) {
259                         outb(reg, chip->mc_base + 8);
260                         outb(chip->password, chip->mc_base + chip->pwd_reg);
261                         retval = inb(chip->mc_base + 9);
262                         break;
263                 }
264                 /* Fall through */
265 
266         case OPTi9XX_HW_82C928:
267         case OPTi9XX_HW_82C929:
268                 retval = inb(chip->mc_base + reg);
269                 break;
270 #else   /* OPTi93X */
271 
272         case OPTi9XX_HW_82C930:
273         case OPTi9XX_HW_82C931:
274         case OPTi9XX_HW_82C933:
275                 outb(reg, chip->mc_indir_index);
276                 outb(chip->password, chip->mc_base + chip->pwd_reg);
277                 retval = inb(chip->mc_indir_index + 1);
278                 break;
279 #endif  /* OPTi93X */
280 
281         default:
282                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
283         }
284 
285         spin_unlock_irqrestore(&chip->lock, flags);
286         return retval;
287 }
288 
289 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
290                               unsigned char value)
291 {
292         unsigned long flags;
293 
294         spin_lock_irqsave(&chip->lock, flags);
295         outb(chip->password, chip->mc_base + chip->pwd_reg);
296 
297         switch (chip->hardware) {
298 #ifndef OPTi93X
299         case OPTi9XX_HW_82C924:
300         case OPTi9XX_HW_82C925:
301                 if (reg > 7) {
302                         outb(reg, chip->mc_base + 8);
303                         outb(chip->password, chip->mc_base + chip->pwd_reg);
304                         outb(value, chip->mc_base + 9);
305                         break;
306                 }
307                 /* Fall through */
308 
309         case OPTi9XX_HW_82C928:
310         case OPTi9XX_HW_82C929:
311                 outb(value, chip->mc_base + reg);
312                 break;
313 #else   /* OPTi93X */
314 
315         case OPTi9XX_HW_82C930:
316         case OPTi9XX_HW_82C931:
317         case OPTi9XX_HW_82C933:
318                 outb(reg, chip->mc_indir_index);
319                 outb(chip->password, chip->mc_base + chip->pwd_reg);
320                 outb(value, chip->mc_indir_index + 1);
321                 break;
322 #endif  /* OPTi93X */
323 
324         default:
325                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
326         }
327 
328         spin_unlock_irqrestore(&chip->lock, flags);
329 }
330 
331 
332 #define snd_opti9xx_write_mask(chip, reg, value, mask)  \
333         snd_opti9xx_write(chip, reg,                    \
334                 (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
335 
336 
337 static int snd_opti9xx_configure(struct snd_opti9xx *chip,
338                                            long port,
339                                            int irq, int dma1, int dma2,
340                                            long mpu_port, int mpu_irq)
341 {
342         unsigned char wss_base_bits;
343         unsigned char irq_bits;
344         unsigned char dma_bits;
345         unsigned char mpu_port_bits = 0;
346         unsigned char mpu_irq_bits;
347 
348         switch (chip->hardware) {
349 #ifndef OPTi93X
350         case OPTi9XX_HW_82C924:
351                 /* opti 929 mode (?), OPL3 clock output, audio enable */
352                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
353                 /* enable wave audio */
354                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
355                 /* Fall through */
356 
357         case OPTi9XX_HW_82C925:
358                 /* enable WSS mode */
359                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
360                 /* OPL3 FM synthesis */
361                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
362                 /* disable Sound Blaster IRQ and DMA */
363                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
364 #ifdef CS4231
365                 /* cs4231/4248 fix enabled */
366                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
367 #else
368                 /* cs4231/4248 fix disabled */
369                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
370 #endif  /* CS4231 */
371                 break;
372 
373         case OPTi9XX_HW_82C928:
374         case OPTi9XX_HW_82C929:
375                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
376                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
377                 /*
378                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
379                 */
380                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
381 #ifdef CS4231
382                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
383 #else
384                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
385 #endif  /* CS4231 */
386                 break;
387 
388 #else   /* OPTi93X */
389         case OPTi9XX_HW_82C931:
390                 /* disable 3D sound (set GPIO1 as output, low) */
391                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
392                 /* fall through */
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                 /* fall through */
405         case OPTi9XX_HW_82C930:
406                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
407                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
408                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
409                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
410                         0x34);
411                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
412                 break;
413 #endif  /* OPTi93X */
414 
415         default:
416                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
417                 return -EINVAL;
418         }
419 
420         /* PnP resource says it decodes only 10 bits of address */
421         switch (port & 0x3ff) {
422         case 0x130:
423                 chip->wss_base = 0x530;
424                 wss_base_bits = 0x00;
425                 break;
426         case 0x204:
427                 chip->wss_base = 0x604;
428                 wss_base_bits = 0x03;
429                 break;
430         case 0x280:
431                 chip->wss_base = 0xe80;
432                 wss_base_bits = 0x01;
433                 break;
434         case 0x340:
435                 chip->wss_base = 0xf40;
436                 wss_base_bits = 0x02;
437                 break;
438         default:
439                 snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
440                 goto __skip_base;
441         }
442         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
443 
444 __skip_base:
445         switch (irq) {
446 //#ifdef OPTi93X
447         case 5:
448                 irq_bits = 0x05;
449                 break;
450 //#endif        /* OPTi93X */
451         case 7:
452                 irq_bits = 0x01;
453                 break;
454         case 9:
455                 irq_bits = 0x02;
456                 break;
457         case 10:
458                 irq_bits = 0x03;
459                 break;
460         case 11:
461                 irq_bits = 0x04;
462                 break;
463         default:
464                 snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
465                 goto __skip_resources;
466         }
467 
468         switch (dma1) {
469         case 0:
470                 dma_bits = 0x01;
471                 break;
472         case 1:
473                 dma_bits = 0x02;
474                 break;
475         case 3:
476                 dma_bits = 0x03;
477                 break;
478         default:
479                 snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
480                 goto __skip_resources;
481         }
482 
483 #if defined(CS4231) || defined(OPTi93X)
484         if (dma1 == dma2) {
485                 snd_printk(KERN_ERR "don't want to share dmas\n");
486                 return -EBUSY;
487         }
488 
489         switch (dma2) {
490         case 0:
491         case 1:
492                 break;
493         default:
494                 snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
495                 goto __skip_resources;
496         }
497         dma_bits |= 0x04;
498 #endif  /* CS4231 || OPTi93X */
499 
500 #ifndef OPTi93X
501          outb(irq_bits << 3 | dma_bits, chip->wss_base);
502 #else /* OPTi93X */
503         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
504 #endif /* OPTi93X */
505 
506 __skip_resources:
507         if (chip->hardware > OPTi9XX_HW_82C928) {
508                 switch (mpu_port) {
509                 case 0:
510                 case -1:
511                         break;
512                 case 0x300:
513                         mpu_port_bits = 0x03;
514                         break;
515                 case 0x310:
516                         mpu_port_bits = 0x02;
517                         break;
518                 case 0x320:
519                         mpu_port_bits = 0x01;
520                         break;
521                 case 0x330:
522                         mpu_port_bits = 0x00;
523                         break;
524                 default:
525                         snd_printk(KERN_WARNING
526                                    "MPU-401 port 0x%lx not valid\n", mpu_port);
527                         goto __skip_mpu;
528                 }
529 
530                 switch (mpu_irq) {
531                 case 5:
532                         mpu_irq_bits = 0x02;
533                         break;
534                 case 7:
535                         mpu_irq_bits = 0x03;
536                         break;
537                 case 9:
538                         mpu_irq_bits = 0x00;
539                         break;
540                 case 10:
541                         mpu_irq_bits = 0x01;
542                         break;
543                 default:
544                         snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
545                                 mpu_irq);
546                         goto __skip_mpu;
547                 }
548 
549                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
550                         (mpu_port <= 0) ? 0x00 :
551                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
552                         0xf8);
553         }
554 __skip_mpu:
555 
556         return 0;
557 }
558 
559 #ifdef OPTi93X
560 
561 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
562 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
563 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
564 
565 static struct snd_kcontrol_new snd_opti93x_controls[] = {
566 WSS_DOUBLE("Master Playback Switch", 0,
567                 OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
568 WSS_DOUBLE_TLV("Master Playback Volume", 0,
569                 OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
570                 db_scale_5bit_3db_step),
571 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
572                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
573                 db_scale_5bit),
574 WSS_DOUBLE_TLV("FM Playback Volume", 0,
575                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
576                 db_scale_4bit_12db_max),
577 WSS_DOUBLE("Line Playback Switch", 0,
578                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
579 WSS_DOUBLE_TLV("Line Playback Volume", 0,
580                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
581                 db_scale_4bit_12db_max),
582 WSS_DOUBLE("Mic Playback Switch", 0,
583                 OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
584 WSS_DOUBLE_TLV("Mic Playback Volume", 0,
585                 OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
586                 db_scale_4bit_12db_max),
587 WSS_DOUBLE_TLV("CD Playback Volume", 0,
588                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
589                 db_scale_4bit_12db_max),
590 WSS_DOUBLE("Aux Playback Switch", 0,
591                 OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
592 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
593                 OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
594                 db_scale_4bit_12db_max),
595 };
596 
597 static int snd_opti93x_mixer(struct snd_wss *chip)
598 {
599         struct snd_card *card;
600         unsigned int idx;
601         struct snd_ctl_elem_id id1, id2;
602         int err;
603 
604         if (snd_BUG_ON(!chip || !chip->pcm))
605                 return -EINVAL;
606 
607         card = chip->card;
608 
609         strcpy(card->mixername, chip->pcm->name);
610 
611         memset(&id1, 0, sizeof(id1));
612         memset(&id2, 0, sizeof(id2));
613         id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
614         /* reassign AUX0 switch to CD */
615         strcpy(id1.name, "Aux Playback Switch");
616         strcpy(id2.name, "CD Playback Switch");
617         err = snd_ctl_rename_id(card, &id1, &id2);
618         if (err < 0) {
619                 snd_printk(KERN_ERR "Cannot rename opti93x control\n");
620                 return err;
621         }
622         /* reassign AUX1 switch to FM */
623         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
624         strcpy(id2.name, "FM Playback Switch");
625         err = snd_ctl_rename_id(card, &id1, &id2);
626         if (err < 0) {
627                 snd_printk(KERN_ERR "Cannot rename opti93x control\n");
628                 return err;
629         }
630         /* remove AUX1 volume */
631         strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
632         snd_ctl_remove_id(card, &id1);
633 
634         /* Replace WSS volume controls with OPTi93x volume controls */
635         id1.index = 0;
636         for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
637                 strcpy(id1.name, snd_opti93x_controls[idx].name);
638                 snd_ctl_remove_id(card, &id1);
639 
640                 err = snd_ctl_add(card,
641                                 snd_ctl_new1(&snd_opti93x_controls[idx], chip));
642                 if (err < 0)
643                         return err;
644         }
645         return 0;
646 }
647 
648 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
649 {
650         struct snd_opti9xx *chip = dev_id;
651         struct snd_wss *codec = chip->codec;
652         unsigned char status;
653 
654         if (!codec)
655                 return IRQ_HANDLED;
656 
657         status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
658         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
659                 snd_pcm_period_elapsed(codec->playback_substream);
660         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
661                 snd_wss_overrange(codec);
662                 snd_pcm_period_elapsed(codec->capture_substream);
663         }
664         outb(0x00, OPTi93X_PORT(codec, STATUS));
665         return IRQ_HANDLED;
666 }
667 
668 #endif /* OPTi93X */
669 
670 static int snd_opti9xx_read_check(struct snd_opti9xx *chip)
671 {
672         unsigned char value;
673 #ifdef OPTi93X
674         unsigned long flags;
675 #endif
676 
677         chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
678                                            "OPTi9xx MC");
679         if (chip->res_mc_base == NULL)
680                 return -EBUSY;
681 #ifndef OPTi93X
682         value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
683         if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
684                 if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
685                         return 0;
686 #else   /* OPTi93X */
687         chip->res_mc_indir = request_region(chip->mc_indir_index, 2,
688                                             "OPTi93x MC");
689         if (chip->res_mc_indir == NULL)
690                 return -EBUSY;
691 
692         spin_lock_irqsave(&chip->lock, flags);
693         outb(chip->password, chip->mc_base + chip->pwd_reg);
694         outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
695         spin_unlock_irqrestore(&chip->lock, flags);
696 
697         value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
698         snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
699         if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
700                 return 0;
701 
702         release_and_free_resource(chip->res_mc_indir);
703         chip->res_mc_indir = NULL;
704 #endif  /* OPTi93X */
705         release_and_free_resource(chip->res_mc_base);
706         chip->res_mc_base = NULL;
707 
708         return -ENODEV;
709 }
710 
711 static int snd_card_opti9xx_detect(struct snd_card *card,
712                                    struct snd_opti9xx *chip)
713 {
714         int i, err;
715 
716 #ifndef OPTi93X
717         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
718 #else
719         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
720 #endif
721                 err = snd_opti9xx_init(chip, i);
722                 if (err < 0)
723                         return err;
724 
725                 err = snd_opti9xx_read_check(chip);
726                 if (err == 0)
727                         return 1;
728 #ifdef OPTi93X
729                 chip->mc_indir_index = 0;
730 #endif
731         }
732         return -ENODEV;
733 }
734 
735 #ifdef CONFIG_PNP
736 static int snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
737                                 struct pnp_card_link *card,
738                                 const struct pnp_card_device_id *pid)
739 {
740         struct pnp_dev *pdev;
741         int err;
742         struct pnp_dev *devmpu;
743 #ifndef OPTi93X
744         struct pnp_dev *devmc;
745 #endif
746 
747         pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
748         if (pdev == NULL)
749                 return -EBUSY;
750 
751         err = pnp_activate_dev(pdev);
752         if (err < 0) {
753                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
754                 return err;
755         }
756 
757 #ifdef OPTi93X
758         port = pnp_port_start(pdev, 0) - 4;
759         fm_port = pnp_port_start(pdev, 1) + 8;
760         /* adjust mc_indir_index - some cards report it at 0xe?d,
761            other at 0xe?c but it really is always at 0xe?e */
762         chip->mc_indir_index = (pnp_port_start(pdev, 3) & ~0xf) | 0xe;
763 #else
764         devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
765         if (devmc == NULL)
766                 return -EBUSY;
767 
768         err = pnp_activate_dev(devmc);
769         if (err < 0) {
770                 snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
771                 return err;
772         }
773 
774         port = pnp_port_start(pdev, 1);
775         fm_port = pnp_port_start(pdev, 2) + 8;
776         /*
777          * The MC(0) is never accessed and card does not
778          * include it in the PnP resource range. OPTI93x include it.
779          */
780         chip->mc_base = pnp_port_start(devmc, 0) - 1;
781         chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
782 #endif  /* OPTi93X */
783         irq = pnp_irq(pdev, 0);
784         dma1 = pnp_dma(pdev, 0);
785 #if defined(CS4231) || defined(OPTi93X)
786         dma2 = pnp_dma(pdev, 1);
787 #endif  /* CS4231 || OPTi93X */
788 
789         devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
790 
791         if (devmpu && mpu_port > 0) {
792                 err = pnp_activate_dev(devmpu);
793                 if (err < 0) {
794                         snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
795                         mpu_port = -1;
796                 } else {
797                         mpu_port = pnp_port_start(devmpu, 0);
798                         mpu_irq = pnp_irq(devmpu, 0);
799                 }
800         }
801         return pid->driver_data;
802 }
803 #endif  /* CONFIG_PNP */
804 
805 static void snd_card_opti9xx_free(struct snd_card *card)
806 {
807         struct snd_opti9xx *chip = card->private_data;
808 
809         if (chip) {
810 #ifdef OPTi93X
811                 if (chip->irq > 0) {
812                         disable_irq(chip->irq);
813                         free_irq(chip->irq, chip);
814                 }
815                 release_and_free_resource(chip->res_mc_indir);
816 #endif
817                 release_and_free_resource(chip->res_mc_base);
818         }
819 }
820 
821 static int snd_opti9xx_probe(struct snd_card *card)
822 {
823         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
824         int error;
825         int xdma2;
826         struct snd_opti9xx *chip = card->private_data;
827         struct snd_wss *codec;
828         struct snd_rawmidi *rmidi;
829         struct snd_hwdep *synth;
830 
831 #if defined(CS4231) || defined(OPTi93X)
832         xdma2 = dma2;
833 #else
834         xdma2 = -1;
835 #endif
836 
837         if (port == SNDRV_AUTO_PORT) {
838                 port = snd_legacy_find_free_ioport(possible_ports, 4);
839                 if (port < 0) {
840                         snd_printk(KERN_ERR "unable to find a free WSS port\n");
841                         return -EBUSY;
842                 }
843         }
844         error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
845                                       mpu_port, mpu_irq);
846         if (error)
847                 return error;
848 
849         error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
850 #ifdef OPTi93X
851                                WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
852 #else
853                                WSS_HW_DETECT, 0,
854 #endif
855                                &codec);
856         if (error < 0)
857                 return error;
858         chip->codec = codec;
859         error = snd_wss_pcm(codec, 0);
860         if (error < 0)
861                 return error;
862         error = snd_wss_mixer(codec);
863         if (error < 0)
864                 return error;
865 #ifdef OPTi93X
866         error = snd_opti93x_mixer(codec);
867         if (error < 0)
868                 return error;
869 #endif
870 #ifdef CS4231
871         error = snd_wss_timer(codec, 0);
872         if (error < 0)
873                 return error;
874 #endif
875 #ifdef OPTi93X
876         error = request_irq(irq, snd_opti93x_interrupt,
877                             0, DEV_NAME" - WSS", chip);
878         if (error < 0) {
879                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
880                 return error;
881         }
882 #endif
883         chip->irq = irq;
884         strcpy(card->driver, chip->name);
885         sprintf(card->shortname, "OPTi %s", card->driver);
886 #if defined(CS4231) || defined(OPTi93X)
887         snprintf(card->longname, sizeof(card->longname),
888                  "%s, %s at 0x%lx, irq %d, dma %d&%d",
889                  card->shortname, codec->pcm->name,
890                  chip->wss_base + 4, irq, dma1, xdma2);
891 #else
892         snprintf(card->longname, sizeof(card->longname),
893                  "%s, %s at 0x%lx, irq %d, dma %d",
894                  card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
895                  dma1);
896 #endif  /* CS4231 || OPTi93X */
897 
898         if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
899                 rmidi = NULL;
900         else {
901                 error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
902                                 mpu_port, 0, mpu_irq, &rmidi);
903                 if (error)
904                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
905                                    mpu_port);
906         }
907 
908         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
909                 struct snd_opl3 *opl3 = NULL;
910 #ifndef OPTi93X
911                 if (chip->hardware == OPTi9XX_HW_82C928 ||
912                     chip->hardware == OPTi9XX_HW_82C929 ||
913                     chip->hardware == OPTi9XX_HW_82C924) {
914                         struct snd_opl4 *opl4;
915                         /* assume we have an OPL4 */
916                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
917                                                0x20, 0x20);
918                         if (snd_opl4_create(card, fm_port, fm_port - 8,
919                                             2, &opl3, &opl4) < 0) {
920                                 /* no luck, use OPL3 instead */
921                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
922                                                        0x00, 0x20);
923                         }
924                 }
925 #endif  /* !OPTi93X */
926                 if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
927                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
928                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
929                                    fm_port, fm_port + 4 - 1);
930                 }
931                 if (opl3) {
932                         error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
933                         if (error < 0)
934                                 return error;
935                 }
936         }
937 
938         return snd_card_register(card);
939 }
940 
941 static int snd_opti9xx_card_new(struct device *pdev, struct snd_card **cardp)
942 {
943         struct snd_card *card;
944         int err;
945 
946         err = snd_card_new(pdev, index, id, THIS_MODULE,
947                            sizeof(struct snd_opti9xx), &card);
948         if (err < 0)
949                 return err;
950         card->private_free = snd_card_opti9xx_free;
951         *cardp = card;
952         return 0;
953 }
954 
955 static int snd_opti9xx_isa_match(struct device *devptr,
956                                  unsigned int dev)
957 {
958 #ifdef CONFIG_PNP
959         if (snd_opti9xx_pnp_is_probed)
960                 return 0;
961         if (isapnp)
962                 return 0;
963 #endif
964         return 1;
965 }
966 
967 static int snd_opti9xx_isa_probe(struct device *devptr,
968                                  unsigned int dev)
969 {
970         struct snd_card *card;
971         int error;
972         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
973 #ifdef OPTi93X
974         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
975 #else
976         static int possible_irqs[] = {9, 10, 11, 7, -1};
977 #endif  /* OPTi93X */
978         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
979         static int possible_dma1s[] = {3, 1, 0, -1};
980 #if defined(CS4231) || defined(OPTi93X)
981         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
982 #endif  /* CS4231 || OPTi93X */
983 
984         if (mpu_port == SNDRV_AUTO_PORT) {
985                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
986                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
987                         return -EBUSY;
988                 }
989         }
990         if (irq == SNDRV_AUTO_IRQ) {
991                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
992                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
993                         return -EBUSY;
994                 }
995         }
996         if (mpu_irq == SNDRV_AUTO_IRQ) {
997                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
998                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
999                         return -EBUSY;
1000                 }
1001         }
1002         if (dma1 == SNDRV_AUTO_DMA) {
1003                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1004                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
1005                         return -EBUSY;
1006                 }
1007         }
1008 #if defined(CS4231) || defined(OPTi93X)
1009         if (dma2 == SNDRV_AUTO_DMA) {
1010                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1011                         snd_printk(KERN_ERR "unable to find a free DMA2\n");
1012                         return -EBUSY;
1013                 }
1014         }
1015 #endif
1016 
1017         error = snd_opti9xx_card_new(devptr, &card);
1018         if (error < 0)
1019                 return error;
1020 
1021         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1022                 snd_card_free(card);
1023                 return error;
1024         }
1025         if ((error = snd_opti9xx_probe(card)) < 0) {
1026                 snd_card_free(card);
1027                 return error;
1028         }
1029         dev_set_drvdata(devptr, card);
1030         return 0;
1031 }
1032 
1033 static int snd_opti9xx_isa_remove(struct device *devptr,
1034                                   unsigned int dev)
1035 {
1036         snd_card_free(dev_get_drvdata(devptr));
1037         return 0;
1038 }
1039 
1040 #ifdef CONFIG_PM
1041 static int snd_opti9xx_suspend(struct snd_card *card)
1042 {
1043         struct snd_opti9xx *chip = card->private_data;
1044 
1045         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1046         chip->codec->suspend(chip->codec);
1047         return 0;
1048 }
1049 
1050 static int snd_opti9xx_resume(struct snd_card *card)
1051 {
1052         struct snd_opti9xx *chip = card->private_data;
1053         int error, xdma2;
1054 #if defined(CS4231) || defined(OPTi93X)
1055         xdma2 = dma2;
1056 #else
1057         xdma2 = -1;
1058 #endif
1059 
1060         error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
1061                                       mpu_port, mpu_irq);
1062         if (error)
1063                 return error;
1064         chip->codec->resume(chip->codec);
1065         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1066         return 0;
1067 }
1068 
1069 static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n,
1070                                    pm_message_t state)
1071 {
1072         return snd_opti9xx_suspend(dev_get_drvdata(dev));
1073 }
1074 
1075 static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n)
1076 {
1077         return snd_opti9xx_resume(dev_get_drvdata(dev));
1078 }
1079 #endif
1080 
1081 static struct isa_driver snd_opti9xx_driver = {
1082         .match          = snd_opti9xx_isa_match,
1083         .probe          = snd_opti9xx_isa_probe,
1084         .remove         = snd_opti9xx_isa_remove,
1085 #ifdef CONFIG_PM
1086         .suspend        = snd_opti9xx_isa_suspend,
1087         .resume         = snd_opti9xx_isa_resume,
1088 #endif
1089         .driver         = {
1090                 .name   = DEV_NAME
1091         },
1092 };
1093 
1094 #ifdef CONFIG_PNP
1095 static int snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1096                                  const struct pnp_card_device_id *pid)
1097 {
1098         struct snd_card *card;
1099         int error, hw;
1100         struct snd_opti9xx *chip;
1101 
1102         if (snd_opti9xx_pnp_is_probed)
1103                 return -EBUSY;
1104         if (! isapnp)
1105                 return -ENODEV;
1106         error = snd_opti9xx_card_new(&pcard->card->dev, &card);
1107         if (error < 0)
1108                 return error;
1109         chip = card->private_data;
1110 
1111         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1112         switch (hw) {
1113         case 0x0924:
1114                 hw = OPTi9XX_HW_82C924;
1115                 break;
1116         case 0x0925:
1117                 hw = OPTi9XX_HW_82C925;
1118                 break;
1119         case 0x0931:
1120                 hw = OPTi9XX_HW_82C931;
1121                 break;
1122         default:
1123                 snd_card_free(card);
1124                 return -ENODEV;
1125         }
1126 
1127         if ((error = snd_opti9xx_init(chip, hw))) {
1128                 snd_card_free(card);
1129                 return error;
1130         }
1131         error = snd_opti9xx_read_check(chip);
1132         if (error) {
1133                 snd_printk(KERN_ERR "OPTI chip not found\n");
1134                 snd_card_free(card);
1135                 return error;
1136         }
1137         if ((error = snd_opti9xx_probe(card)) < 0) {
1138                 snd_card_free(card);
1139                 return error;
1140         }
1141         pnp_set_card_drvdata(pcard, card);
1142         snd_opti9xx_pnp_is_probed = 1;
1143         return 0;
1144 }
1145 
1146 static void snd_opti9xx_pnp_remove(struct pnp_card_link *pcard)
1147 {
1148         snd_card_free(pnp_get_card_drvdata(pcard));
1149         pnp_set_card_drvdata(pcard, NULL);
1150         snd_opti9xx_pnp_is_probed = 0;
1151 }
1152 
1153 #ifdef CONFIG_PM
1154 static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard,
1155                                    pm_message_t state)
1156 {
1157         return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard));
1158 }
1159 
1160 static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
1161 {
1162         return snd_opti9xx_resume(pnp_get_card_drvdata(pcard));
1163 }
1164 #endif
1165 
1166 static struct pnp_card_driver opti9xx_pnpc_driver = {
1167         .flags          = PNP_DRIVER_RES_DISABLE,
1168         .name           = DEV_NAME,
1169         .id_table       = snd_opti9xx_pnpids,
1170         .probe          = snd_opti9xx_pnp_probe,
1171         .remove         = snd_opti9xx_pnp_remove,
1172 #ifdef CONFIG_PM
1173         .suspend        = snd_opti9xx_pnp_suspend,
1174         .resume         = snd_opti9xx_pnp_resume,
1175 #endif
1176 };
1177 #endif
1178 
1179 #ifdef OPTi93X
1180 #define CHIP_NAME       "82C93x"
1181 #else
1182 #define CHIP_NAME       "82C92x"
1183 #endif
1184 
1185 static int __init alsa_card_opti9xx_init(void)
1186 {
1187 #ifdef CONFIG_PNP
1188         pnp_register_card_driver(&opti9xx_pnpc_driver);
1189         if (snd_opti9xx_pnp_is_probed)
1190                 return 0;
1191         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1192 #endif
1193         return isa_register_driver(&snd_opti9xx_driver, 1);
1194 }
1195 
1196 static void __exit alsa_card_opti9xx_exit(void)
1197 {
1198         if (!snd_opti9xx_pnp_is_probed) {
1199                 isa_unregister_driver(&snd_opti9xx_driver);
1200                 return;
1201         }
1202 #ifdef CONFIG_PNP
1203         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1204 #endif
1205 }
1206 
1207 module_init(alsa_card_opti9xx_init)
1208 module_exit(alsa_card_opti9xx_exit)
1209 

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