sound/isa/opti9xx/opti92x-ad1848.c

   1 /*
   2     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
   3     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
   4
   5     Part of this code was developed at the Italian Ministry of Air Defence,
   6     Sixth Division (oh, che pace ...), Rome.
   7
   8     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
   9
  10     This program is free software; you can redistribute it and/or modify
  11     it under the terms of the GNU General Public License as published by
  12     the Free Software Foundation; either version 2 of the License, or
  13     (at your option) any later version.
  14
  15     This program is distributed in the hope that it will be useful,
  16     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18     GNU General Public License for more details.
  19
  20     You should have received a copy of the GNU General Public License
  21     along with this program; if not, write to the Free Software
  22     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23 */
  24
  25
  26 #include <linux/init.h>
  27 #include <linux/err.h>
  28 #include <linux/isa.h>
  29 #include <linux/delay.h>
  30 #include <linux/slab.h>
  31 #include <linux/pnp.h>
  32 #include <linux/moduleparam.h>
  33 #include <asm/io.h>
  34 #include <asm/dma.h>
  35 #include <sound/core.h>
  36 #include <sound/tlv.h>
  37 #include <sound/wss.h>
  38 #include <sound/mpu401.h>
  39 #include <sound/opl3.h>
  40 #ifndef OPTi93X
  41 #include <sound/opl4.h>
  42 #endif
  43 #define SNDRV_LEGACY_FIND_FREE_IRQ
  44 #define SNDRV_LEGACY_FIND_FREE_DMA
  45 #include <sound/initval.h>
  46
  47 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
  48 MODULE_LICENSE("GPL");
  49 #ifdef OPTi93X
  50 MODULE_DESCRIPTION("OPTi93X");
  51 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
  52 #else   /* OPTi93X */
  53 #ifdef CS4231
  54 MODULE_DESCRIPTION("OPTi92X - CS4231");
  55 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
  56                 "{OPTi,82C925 (CS4231)}}");
  57 #else   /* CS4231 */
  58 MODULE_DESCRIPTION("OPTi92X - AD1848");
  59 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
  60                 "{OPTi,82C925 (AD1848)},"
  61                 "{OAK,Mozart}}");
  62 #endif  /* CS4231 */
  63 #endif  /* OPTi93X */
  64
  65 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
  66 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
  67 //static int enable = SNDRV_DEFAULT_ENABLE1;    /* Enable this card */
  68 #ifdef CONFIG_PNP
  69 static int isapnp = 1;                  /* Enable ISA PnP detection */
  70 #endif
  71 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
  72 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
  73 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
  74 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
  75 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
  76 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
  77 #if defined(CS4231) || defined(OPTi93X)
  78 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
  79 #endif  /* CS4231 || OPTi93X */
  80
  81 module_param(index, int, 0444);
  82 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
  83 module_param(id, charp, 0444);
  84 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
  85 //module_param(enable, bool, 0444);
  86 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
  87 #ifdef CONFIG_PNP
  88 module_param(isapnp, bool, 0444);
  89 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
  90 #endif
  91 module_param(port, long, 0444);
  92 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
  93 module_param(mpu_port, long, 0444);
  94 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
  95 module_param(fm_port, long, 0444);
  96 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
  97 module_param(irq, int, 0444);
  98 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
  99 module_param(mpu_irq, int, 0444);
 100 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
 101 module_param(dma1, int, 0444);
 102 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
 103 #if defined(CS4231) || defined(OPTi93X)
 104 module_param(dma2, int, 0444);
 105 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
 106 #endif  /* CS4231 || OPTi93X */
 107
 108 #define OPTi9XX_HW_82C928       1
 109 #define OPTi9XX_HW_82C929       2
 110 #define OPTi9XX_HW_82C924       3
 111 #define OPTi9XX_HW_82C925       4
 112 #define OPTi9XX_HW_82C930       5
 113 #define OPTi9XX_HW_82C931       6
 114 #define OPTi9XX_HW_82C933       7
 115 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
 116
 117 #define OPTi9XX_MC_REG(n)       n
 118
 119 #ifdef OPTi93X
 120
 121 #define OPTi93X_STATUS                  0x02
 122 #define OPTi93X_PORT(chip, r)           ((chip)->port + OPTi93X_##r)
 123
 124 #define OPTi93X_IRQ_PLAYBACK            0x04
 125 #define OPTi93X_IRQ_CAPTURE             0x08
 126
 127 #endif /* OPTi93X */
 128
 129 struct snd_opti9xx {
 130         unsigned short hardware;
 131         unsigned char password;
 132         char name[7];
 133
 134         unsigned long mc_base;
 135         struct resource *res_mc_base;
 136         unsigned long mc_base_size;
 137 #ifdef OPTi93X
 138         unsigned long mc_indir_index;
 139         unsigned long mc_indir_size;
 140         struct resource *res_mc_indir;
 141         struct snd_wss *codec;
 142 #endif  /* OPTi93X */
 143         unsigned long pwd_reg;
 144
 145         spinlock_t lock;
 146
 147         long wss_base;
 148         int irq;
 149 };
 150
 151 static int snd_opti9xx_pnp_is_probed;
 152
 153 #ifdef CONFIG_PNP
 154
 155 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
 156 #ifndef OPTi93X
 157         /* OPTi 82C924 */
 158         { .id = "OPT0924",
 159           .devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
 160           .driver_data = 0x0924 },
 161         /* OPTi 82C925 */
 162         { .id = "OPT0925",
 163           .devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
 164           .driver_data = 0x0925 },
 165 #else
 166         /* OPTi 82C931/3 */
 167         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
 168           .driver_data = 0x0931 },
 169 #endif  /* OPTi93X */
 170         { .id = "" }
 171 };
 172
 173 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
 174
 175 #endif  /* CONFIG_PNP */
 176
 177 #ifdef OPTi93X
 178 #define DEV_NAME "opti93x"
 179 #else
 180 #define DEV_NAME "opti92x"
 181 #endif
 182
 183 static char * snd_opti9xx_names[] = {
 184         "unknown",
 185         "82C928",       "82C929",
 186         "82C924",       "82C925",
 187         "82C930",       "82C931",       "82C933"
 188 };
 189
 190
 191 static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
 192 {
 193         while (*port_table != -1) {
 194                 if (request_region(*port_table, size, "ALSA test")) {
 195                         release_region(*port_table, size);
 196                         return *port_table;
 197                 }
 198                 port_table++;
 199         }
 200         return -1;
 201 }
 202
 203 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
 204                                       unsigned short hardware)
 205 {
 206         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
 207
 208         chip->hardware = hardware;
 209         strcpy(chip->name, snd_opti9xx_names[hardware]);
 210
 211         spin_lock_init(&chip->lock);
 212
 213         chip->irq = -1;
 214
 215 #ifndef OPTi93X
 216 #ifdef CONFIG_PNP
 217         if (isapnp && chip->mc_base)
 218                 /* PnP resource gives the least 10 bits */
 219                 chip->mc_base |= 0xc00;
 220         else
 221 #endif  /* CONFIG_PNP */
 222         {
 223                 chip->mc_base = 0xf8c;
 224                 chip->mc_base_size = opti9xx_mc_size[hardware];
 225         }
 226 #else
 227                 chip->mc_base_size = opti9xx_mc_size[hardware];
 228 #endif
 229
 230         switch (hardware) {
 231 #ifndef OPTi93X
 232         case OPTi9XX_HW_82C928:
 233         case OPTi9XX_HW_82C929:
 234                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
 235                 chip->pwd_reg = 3;
 236                 break;
 237
 238         case OPTi9XX_HW_82C924:
 239         case OPTi9XX_HW_82C925:
 240                 chip->password = 0xe5;
 241                 chip->pwd_reg = 3;
 242                 break;
 243 #else   /* OPTi93X */
 244
 245         case OPTi9XX_HW_82C930:
 246         case OPTi9XX_HW_82C931:
 247         case OPTi9XX_HW_82C933:
 248                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
 249                 if (!chip->mc_indir_index) {
 250                         chip->mc_indir_index = 0xe0e;
 251                         chip->mc_indir_size = 2;
 252                 }
 253                 chip->password = 0xe4;
 254                 chip->pwd_reg = 0;
 255                 break;
 256 #endif  /* OPTi93X */
 257
 258         default:
 259                 snd_printk(KERN_ERR "chip %d not supported\n", hardware);
 260                 return -ENODEV;
 261         }
 262         return 0;
 263 }
 264
 265 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
 266                                       unsigned char reg)
 267 {
 268         unsigned long flags;
 269         unsigned char retval = 0xff;
 270
 271         spin_lock_irqsave(&chip->lock, flags);
 272         outb(chip->password, chip->mc_base + chip->pwd_reg);
 273
 274         switch (chip->hardware) {
 275 #ifndef OPTi93X
 276         case OPTi9XX_HW_82C924:
 277         case OPTi9XX_HW_82C925:
 278                 if (reg > 7) {
 279                         outb(reg, chip->mc_base + 8);
 280                         outb(chip->password, chip->mc_base + chip->pwd_reg);
 281                         retval = inb(chip->mc_base + 9);
 282                         break;
 283                 }
 284
 285         case OPTi9XX_HW_82C928:
 286         case OPTi9XX_HW_82C929:
 287                 retval = inb(chip->mc_base + reg);
 288                 break;
 289 #else   /* OPTi93X */
 290
 291         case OPTi9XX_HW_82C930:
 292         case OPTi9XX_HW_82C931:
 293         case OPTi9XX_HW_82C933:
 294                 outb(reg, chip->mc_indir_index);
 295                 outb(chip->password, chip->mc_base + chip->pwd_reg);
 296                 retval = inb(chip->mc_indir_index + 1);
 297                 break;
 298 #endif  /* OPTi93X */
 299
 300         default:
 301                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
 302         }
 303
 304         spin_unlock_irqrestore(&chip->lock, flags);
 305         return retval;
 306 }
 307
 308 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
 309                               unsigned char value)
 310 {
 311         unsigned long flags;
 312
 313         spin_lock_irqsave(&chip->lock, flags);
 314         outb(chip->password, chip->mc_base + chip->pwd_reg);
 315
 316         switch (chip->hardware) {
 317 #ifndef OPTi93X
 318         case OPTi9XX_HW_82C924:
 319         case OPTi9XX_HW_82C925:
 320                 if (reg > 7) {
 321                         outb(reg, chip->mc_base + 8);
 322                         outb(chip->password, chip->mc_base + chip->pwd_reg);
 323                         outb(value, chip->mc_base + 9);
 324                         break;
 325                 }
 326
 327         case OPTi9XX_HW_82C928:
 328         case OPTi9XX_HW_82C929:
 329                 outb(value, chip->mc_base + reg);
 330                 break;
 331 #else   /* OPTi93X */
 332
 333         case OPTi9XX_HW_82C930:
 334         case OPTi9XX_HW_82C931:
 335         case OPTi9XX_HW_82C933:
 336                 outb(reg, chip->mc_indir_index);
 337                 outb(chip->password, chip->mc_base + chip->pwd_reg);
 338                 outb(value, chip->mc_indir_index + 1);
 339                 break;
 340 #endif  /* OPTi93X */
 341
 342         default:
 343                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
 344         }
 345
 346         spin_unlock_irqrestore(&chip->lock, flags);
 347 }
 348
 349
 350 #define snd_opti9xx_write_mask(chip, reg, value, mask)  \
 351         snd_opti9xx_write(chip, reg,                    \
 352                 (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
 353
 354
 355 static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip,
 356                                            long port,
 357                                            int irq, int dma1, int dma2,
 358                                            long mpu_port, int mpu_irq)
 359 {
 360         unsigned char wss_base_bits;
 361         unsigned char irq_bits;
 362         unsigned char dma_bits;
 363         unsigned char mpu_port_bits = 0;
 364         unsigned char mpu_irq_bits;
 365
 366         switch (chip->hardware) {
 367 #ifndef OPTi93X
 368         case OPTi9XX_HW_82C924:
 369                 /* opti 929 mode (?), OPL3 clock output, audio enable */
 370                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
 371                 /* enable wave audio */
 372                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
 373
 374         case OPTi9XX_HW_82C925:
 375                 /* enable WSS mode */
 376                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
 377                 /* OPL3 FM synthesis */
 378                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
 379                 /* disable Sound Blaster IRQ and DMA */
 380                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
 381 #ifdef CS4231
 382                 /* cs4231/4248 fix enabled */
 383                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
 384 #else
 385                 /* cs4231/4248 fix disabled */
 386                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
 387 #endif  /* CS4231 */
 388                 break;
 389
 390         case OPTi9XX_HW_82C928:
 391         case OPTi9XX_HW_82C929:
 392                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
 393                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
 394                 /*
 395                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
 396                 */
 397                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
 398 #ifdef CS4231
 399                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
 400 #else
 401                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
 402 #endif  /* CS4231 */
 403                 break;
 404
 405 #else   /* OPTi93X */
 406         case OPTi9XX_HW_82C931:
 407         case OPTi9XX_HW_82C933:
 408                 /*
 409                  * The BTC 1817DW has QS1000 wavetable which is connected
 410                  * to the serial digital input of the OPTI931.
 411                  */
 412                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
 413                 /*
 414                  * This bit sets OPTI931 to automaticaly select FM
 415                  * or digital input signal.
 416                  */
 417                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
 418         case OPTi9XX_HW_82C930: /* FALL THROUGH */
 419                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
 420                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
 421                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
 422                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
 423                         0x34);
 424                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
 425                 break;
 426 #endif  /* OPTi93X */
 427
 428         default:
 429                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
 430                 return -EINVAL;
 431         }
 432
 433         /* PnP resource says it decodes only 10 bits of address */
 434         switch (port & 0x3ff) {
 435         case 0x130:
 436                 chip->wss_base = 0x530;
 437                 wss_base_bits = 0x00;
 438                 break;
 439         case 0x204:
 440                 chip->wss_base = 0x604;
 441                 wss_base_bits = 0x03;
 442                 break;
 443         case 0x280:
 444                 chip->wss_base = 0xe80;
 445                 wss_base_bits = 0x01;
 446                 break;
 447         case 0x340:
 448                 chip->wss_base = 0xf40;
 449                 wss_base_bits = 0x02;
 450                 break;
 451         default:
 452                 snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
 453                 goto __skip_base;
 454         }
 455         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
 456
 457 __skip_base:
 458         switch (irq) {
 459 //#ifdef OPTi93X
 460         case 5:
 461                 irq_bits = 0x05;
 462                 break;
 463 //#endif        /* OPTi93X */
 464         case 7:
 465                 irq_bits = 0x01;
 466                 break;
 467         case 9:
 468                 irq_bits = 0x02;
 469                 break;
 470         case 10:
 471                 irq_bits = 0x03;
 472                 break;
 473         case 11:
 474                 irq_bits = 0x04;
 475                 break;
 476         default:
 477                 snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
 478                 goto __skip_resources;
 479         }
 480
 481         switch (dma1) {
 482         case 0:
 483                 dma_bits = 0x01;
 484                 break;
 485         case 1:
 486                 dma_bits = 0x02;
 487                 break;
 488         case 3:
 489                 dma_bits = 0x03;
 490                 break;
 491         default:
 492                 snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
 493                 goto __skip_resources;
 494         }
 495
 496 #if defined(CS4231) || defined(OPTi93X)
 497         if (dma1 == dma2) {
 498                 snd_printk(KERN_ERR "don't want to share dmas\n");
 499                 return -EBUSY;
 500         }
 501
 502         switch (dma2) {
 503         case 0:
 504         case 1:
 505                 break;
 506         default:
 507                 snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
 508                 goto __skip_resources;
 509         }
 510         dma_bits |= 0x04;
 511 #endif  /* CS4231 || OPTi93X */
 512
 513 #ifndef OPTi93X
 514          outb(irq_bits << 3 | dma_bits, chip->wss_base);
 515 #else /* OPTi93X */
 516         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
 517 #endif /* OPTi93X */
 518
 519 __skip_resources:
 520         if (chip->hardware > OPTi9XX_HW_82C928) {
 521                 switch (mpu_port) {
 522                 case 0:
 523                 case -1:
 524                         break;
 525                 case 0x300:
 526                         mpu_port_bits = 0x03;
 527                         break;
 528                 case 0x310:
 529                         mpu_port_bits = 0x02;
 530                         break;
 531                 case 0x320:
 532                         mpu_port_bits = 0x01;
 533                         break;
 534                 case 0x330:
 535                         mpu_port_bits = 0x00;
 536                         break;
 537                 default:
 538                         snd_printk(KERN_WARNING
 539                                    "MPU-401 port 0x%lx not valid\n", mpu_port);
 540                         goto __skip_mpu;
 541                 }
 542
 543                 switch (mpu_irq) {
 544                 case 5:
 545                         mpu_irq_bits = 0x02;
 546                         break;
 547                 case 7:
 548                         mpu_irq_bits = 0x03;
 549                         break;
 550                 case 9:
 551                         mpu_irq_bits = 0x00;
 552                         break;
 553                 case 10:
 554                         mpu_irq_bits = 0x01;
 555                         break;
 556                 default:
 557                         snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
 558                                 mpu_irq);
 559                         goto __skip_mpu;
 560                 }
 561
 562                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
 563                         (mpu_port <= 0) ? 0x00 :
 564                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
 565                         0xf8);
 566         }
 567 __skip_mpu:
 568
 569         return 0;
 570 }
 571
 572 #ifdef OPTi93X
 573
 574 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
 575 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
 576 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
 577
 578 static struct snd_kcontrol_new snd_opti93x_controls[] = {
 579 WSS_DOUBLE("Master Playback Switch", 0,
 580                 OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
 581 WSS_DOUBLE_TLV("Master Playback Volume", 0,
 582                 OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
 583                 db_scale_5bit_3db_step),
 584 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
 585                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
 586                 db_scale_5bit),
 587 WSS_DOUBLE_TLV("FM Playback Volume", 0,
 588                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
 589                 db_scale_4bit_12db_max),
 590 WSS_DOUBLE("Line Playback Switch", 0,
 591                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
 592 WSS_DOUBLE_TLV("Line Playback Volume", 0,
 593                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
 594                 db_scale_4bit_12db_max),
 595 WSS_DOUBLE("Mic Playback Switch", 0,
 596                 OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
 597 WSS_DOUBLE_TLV("Mic Playback Volume", 0,
 598                 OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
 599                 db_scale_4bit_12db_max),
 600 WSS_DOUBLE_TLV("CD Playback Volume", 0,
 601                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
 602                 db_scale_4bit_12db_max),
 603 WSS_DOUBLE("Aux Playback Switch", 0,
 604                 OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
 605 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
 606                 OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
 607                 db_scale_4bit_12db_max),
 608 };
 609
 610 static int __devinit snd_opti93x_mixer(struct snd_wss *chip)
 611 {
 612         struct snd_card *card;
 613         unsigned int idx;
 614         struct snd_ctl_elem_id id1, id2;
 615         int err;
 616
 617         if (snd_BUG_ON(!chip || !chip->pcm))
 618                 return -EINVAL;
 619
 620         card = chip->card;
 621
 622         strcpy(card->mixername, chip->pcm->name);
 623
 624         memset(&id1, 0, sizeof(id1));
 625         memset(&id2, 0, sizeof(id2));
 626         id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 627         /* reassign AUX0 switch to CD */
 628         strcpy(id1.name, "Aux Playback Switch");
 629         strcpy(id2.name, "CD Playback Switch");
 630         err = snd_ctl_rename_id(card, &id1, &id2);
 631         if (err < 0) {
 632                 snd_printk(KERN_ERR "Cannot rename opti93x control\n");
 633                 return err;
 634         }
 635         /* reassign AUX1 switch to FM */
 636         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
 637         strcpy(id2.name, "FM Playback Switch");
 638         err = snd_ctl_rename_id(card, &id1, &id2);
 639         if (err < 0) {
 640                 snd_printk(KERN_ERR "Cannot rename opti93x control\n");
 641                 return err;
 642         }
 643         /* remove AUX1 volume */
 644         strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
 645         snd_ctl_remove_id(card, &id1);
 646
 647         /* Replace WSS volume controls with OPTi93x volume controls */
 648         id1.index = 0;
 649         for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
 650                 strcpy(id1.name, snd_opti93x_controls[idx].name);
 651                 snd_ctl_remove_id(card, &id1);
 652
 653                 err = snd_ctl_add(card,
 654                                 snd_ctl_new1(&snd_opti93x_controls[idx], chip));
 655                 if (err < 0)
 656                         return err;
 657         }
 658         return 0;
 659 }
 660
 661 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
 662 {
 663         struct snd_opti9xx *chip = dev_id;
 664         struct snd_wss *codec = chip->codec;
 665         unsigned char status;
 666
 667         if (!codec)
 668                 return IRQ_HANDLED;
 669
 670         status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
 671         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
 672                 snd_pcm_period_elapsed(codec->playback_substream);
 673         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
 674                 snd_wss_overrange(codec);
 675                 snd_pcm_period_elapsed(codec->capture_substream);
 676         }
 677         outb(0x00, OPTi93X_PORT(codec, STATUS));
 678         return IRQ_HANDLED;
 679 }
 680
 681 #endif /* OPTi93X */
 682
 683 static int __devinit snd_opti9xx_read_check(struct snd_opti9xx *chip)
 684 {
 685         unsigned char value;
 686 #ifdef OPTi93X
 687         unsigned long flags;
 688 #endif
 689
 690         chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
 691                                            "OPTi9xx MC");
 692         if (chip->res_mc_base == NULL)
 693                 return -EBUSY;
 694 #ifndef OPTi93X
 695         value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
 696         if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
 697                 if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
 698                         return 0;
 699 #else   /* OPTi93X */
 700         chip->res_mc_indir = request_region(chip->mc_indir_index,
 701                                             chip->mc_indir_size,
 702                                             "OPTi93x MC");
 703         if (chip->res_mc_indir == NULL)
 704                 return -EBUSY;
 705
 706         spin_lock_irqsave(&chip->lock, flags);
 707         outb(chip->password, chip->mc_base + chip->pwd_reg);
 708         outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
 709         spin_unlock_irqrestore(&chip->lock, flags);
 710
 711         value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
 712         snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
 713         if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
 714                 return 0;
 715
 716         release_and_free_resource(chip->res_mc_indir);
 717         chip->res_mc_indir = NULL;
 718 #endif  /* OPTi93X */
 719         release_and_free_resource(chip->res_mc_base);
 720         chip->res_mc_base = NULL;
 721
 722         return -ENODEV;
 723 }
 724
 725 static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
 726                                              struct snd_opti9xx *chip)
 727 {
 728         int i, err;
 729
 730 #ifndef OPTi93X
 731         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
 732 #else
 733         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
 734 #endif
 735                 err = snd_opti9xx_init(chip, i);
 736                 if (err < 0)
 737                         return err;
 738
 739                 err = snd_opti9xx_read_check(chip);
 740                 if (err == 0)
 741                         return 1;
 742 #ifdef OPTi93X
 743                 chip->mc_indir_index = 0;
 744 #endif
 745         }
 746         return -ENODEV;
 747 }
 748
 749 #ifdef CONFIG_PNP
 750 static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
 751                                           struct pnp_card_link *card,
 752                                           const struct pnp_card_device_id *pid)
 753 {
 754         struct pnp_dev *pdev;
 755         int err;
 756         struct pnp_dev *devmpu;
 757 #ifndef OPTi93X
 758         struct pnp_dev *devmc;
 759 #endif
 760
 761         pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
 762         if (pdev == NULL)
 763                 return -EBUSY;
 764
 765         err = pnp_activate_dev(pdev);
 766         if (err < 0) {
 767                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
 768                 return err;
 769         }
 770
 771 #ifdef OPTi93X
 772         port = pnp_port_start(pdev, 0) - 4;
 773         fm_port = pnp_port_start(pdev, 1) + 8;
 774         chip->mc_indir_index = pnp_port_start(pdev, 3) + 2;
 775         chip->mc_indir_size = pnp_port_len(pdev, 3) - 2;
 776 #else
 777         devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
 778         if (devmc == NULL)
 779                 return -EBUSY;
 780
 781         err = pnp_activate_dev(devmc);
 782         if (err < 0) {
 783                 snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
 784                 return err;
 785         }
 786
 787         port = pnp_port_start(pdev, 1);
 788         fm_port = pnp_port_start(pdev, 2) + 8;
 789         /*
 790          * The MC(0) is never accessed and card does not
 791          * include it in the PnP resource range. OPTI93x include it.
 792          */
 793         chip->mc_base = pnp_port_start(devmc, 0) - 1;
 794         chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
 795 #endif  /* OPTi93X */
 796         irq = pnp_irq(pdev, 0);
 797         dma1 = pnp_dma(pdev, 0);
 798 #if defined(CS4231) || defined(OPTi93X)
 799         dma2 = pnp_dma(pdev, 1);
 800 #endif  /* CS4231 || OPTi93X */
 801
 802         devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
 803
 804         if (devmpu && mpu_port > 0) {
 805                 err = pnp_activate_dev(devmpu);
 806                 if (err < 0) {
 807                         snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
 808                         mpu_port = -1;
 809                 } else {
 810                         mpu_port = pnp_port_start(devmpu, 0);
 811                         mpu_irq = pnp_irq(devmpu, 0);
 812                 }
 813         }
 814         return pid->driver_data;
 815 }
 816 #endif  /* CONFIG_PNP */
 817
 818 static void snd_card_opti9xx_free(struct snd_card *card)
 819 {
 820         struct snd_opti9xx *chip = card->private_data;
 821
 822         if (chip) {
 823 #ifdef OPTi93X
 824                 if (chip->irq > 0) {
 825                         disable_irq(chip->irq);
 826                         free_irq(chip->irq, chip);
 827                 }
 828                 release_and_free_resource(chip->res_mc_indir);
 829 #endif
 830                 release_and_free_resource(chip->res_mc_base);
 831         }
 832 }
 833
 834 static int __devinit snd_opti9xx_probe(struct snd_card *card)
 835 {
 836         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
 837         int error;
 838         int xdma2;
 839         struct snd_opti9xx *chip = card->private_data;
 840         struct snd_wss *codec;
 841 #ifdef CS4231
 842         struct snd_timer *timer;
 843 #endif
 844         struct snd_pcm *pcm;
 845         struct snd_rawmidi *rmidi;
 846         struct snd_hwdep *synth;
 847
 848 #if defined(CS4231) || defined(OPTi93X)
 849         xdma2 = dma2;
 850 #else
 851         xdma2 = -1;
 852 #endif
 853
 854         if (port == SNDRV_AUTO_PORT) {
 855                 port = snd_legacy_find_free_ioport(possible_ports, 4);
 856                 if (port < 0) {
 857                         snd_printk(KERN_ERR "unable to find a free WSS port\n");
 858                         return -EBUSY;
 859                 }
 860         }
 861         error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
 862                                       mpu_port, mpu_irq);
 863         if (error)
 864                 return error;
 865
 866         error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
 867 #ifdef OPTi93X
 868                                WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
 869 #else
 870                                WSS_HW_DETECT, 0,
 871 #endif
 872                                &codec);
 873         if (error < 0)
 874                 return error;
 875 #ifdef OPTi93X
 876         chip->codec = codec;
 877 #endif
 878         error = snd_wss_pcm(codec, 0, &pcm);
 879         if (error < 0)
 880                 return error;
 881         error = snd_wss_mixer(codec);
 882         if (error < 0)
 883                 return error;
 884 #ifdef OPTi93X
 885         error = snd_opti93x_mixer(codec);
 886         if (error < 0)
 887                 return error;
 888 #endif
 889 #ifdef CS4231
 890         error = snd_wss_timer(codec, 0, &timer);
 891         if (error < 0)
 892                 return error;
 893 #endif
 894 #ifdef OPTi93X
 895         error = request_irq(irq, snd_opti93x_interrupt,
 896                             IRQF_DISABLED, DEV_NAME" - WSS", chip);
 897         if (error < 0) {
 898                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
 899                 return error;
 900         }
 901 #endif
 902         chip->irq = irq;
 903         strcpy(card->driver, chip->name);
 904         sprintf(card->shortname, "OPTi %s", card->driver);
 905 #if defined(CS4231) || defined(OPTi93X)
 906         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
 907                 card->shortname, pcm->name,
 908                 chip->wss_base + 4, irq, dma1, xdma2);
 909 #else
 910         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
 911                 card->shortname, pcm->name, chip->wss_base + 4, irq, dma1);
 912 #endif  /* CS4231 || OPTi93X */
 913
 914         if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
 915                 rmidi = NULL;
 916         else {
 917                 error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
 918                                 mpu_port, 0, mpu_irq, IRQF_DISABLED, &rmidi);
 919                 if (error)
 920                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
 921                                    mpu_port);
 922         }
 923
 924         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
 925                 struct snd_opl3 *opl3 = NULL;
 926 #ifndef OPTi93X
 927                 if (chip->hardware == OPTi9XX_HW_82C928 ||
 928                     chip->hardware == OPTi9XX_HW_82C929 ||
 929                     chip->hardware == OPTi9XX_HW_82C924) {
 930                         struct snd_opl4 *opl4;
 931                         /* assume we have an OPL4 */
 932                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
 933                                                0x20, 0x20);
 934                         if (snd_opl4_create(card, fm_port, fm_port - 8,
 935                                             2, &opl3, &opl4) < 0) {
 936                                 /* no luck, use OPL3 instead */
 937                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
 938                                                        0x00, 0x20);
 939                         }
 940                 }
 941 #endif  /* !OPTi93X */
 942                 if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
 943                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
 944                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
 945                                    fm_port, fm_port + 4 - 1);
 946                 }
 947                 if (opl3) {
 948                         error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
 949                         if (error < 0)
 950                                 return error;
 951                 }
 952         }
 953
 954         return snd_card_register(card);
 955 }
 956
 957 static int snd_opti9xx_card_new(struct snd_card **cardp)
 958 {
 959         struct snd_card *card;
 960         int err;
 961
 962         err = snd_card_create(index, id, THIS_MODULE,
 963                               sizeof(struct snd_opti9xx), &card);
 964         if (err < 0)
 965                 return err;
 966         card->private_free = snd_card_opti9xx_free;
 967         *cardp = card;
 968         return 0;
 969 }
 970
 971 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
 972                                            unsigned int dev)
 973 {
 974 #ifdef CONFIG_PNP
 975         if (snd_opti9xx_pnp_is_probed)
 976                 return 0;
 977         if (isapnp)
 978                 return 0;
 979 #endif
 980         return 1;
 981 }
 982
 983 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
 984                                            unsigned int dev)
 985 {
 986         struct snd_card *card;
 987         int error;
 988         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
 989 #ifdef OPTi93X
 990         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
 991 #else
 992         static int possible_irqs[] = {9, 10, 11, 7, -1};
 993 #endif  /* OPTi93X */
 994         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
 995         static int possible_dma1s[] = {3, 1, 0, -1};
 996 #if defined(CS4231) || defined(OPTi93X)
 997         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
 998 #endif  /* CS4231 || OPTi93X */
 999
1000         if (mpu_port == SNDRV_AUTO_PORT) {
1001                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1002                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1003                         return -EBUSY;
1004                 }
1005         }
1006         if (irq == SNDRV_AUTO_IRQ) {
1007                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1008                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
1009                         return -EBUSY;
1010                 }
1011         }
1012         if (mpu_irq == SNDRV_AUTO_IRQ) {
1013                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1014                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1015                         return -EBUSY;
1016                 }
1017         }
1018         if (dma1 == SNDRV_AUTO_DMA) {
1019                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1020                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
1021                         return -EBUSY;
1022                 }
1023         }
1024 #if defined(CS4231) || defined(OPTi93X)
1025         if (dma2 == SNDRV_AUTO_DMA) {
1026                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
1027                         snd_printk(KERN_ERR "unable to find a free DMA2\n");
1028                         return -EBUSY;
1029                 }
1030         }
1031 #endif
1032
1033         error = snd_opti9xx_card_new(&card);
1034         if (error < 0)
1035                 return error;
1036
1037         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
1038                 snd_card_free(card);
1039                 return error;
1040         }
1041         snd_card_set_dev(card, devptr);
1042         if ((error = snd_opti9xx_probe(card)) < 0) {
1043                 snd_card_free(card);
1044                 return error;
1045         }
1046         dev_set_drvdata(devptr, card);
1047         return 0;
1048 }
1049
1050 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
1051                                             unsigned int dev)
1052 {
1053         snd_card_free(dev_get_drvdata(devptr));
1054         dev_set_drvdata(devptr, NULL);
1055         return 0;
1056 }
1057
1058 static struct isa_driver snd_opti9xx_driver = {
1059         .match          = snd_opti9xx_isa_match,
1060         .probe          = snd_opti9xx_isa_probe,
1061         .remove         = __devexit_p(snd_opti9xx_isa_remove),
1062         /* FIXME: suspend/resume */
1063         .driver         = {
1064                 .name   = DEV_NAME
1065         },
1066 };
1067
1068 #ifdef CONFIG_PNP
1069 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1070                                            const struct pnp_card_device_id *pid)
1071 {
1072         struct snd_card *card;
1073         int error, hw;
1074         struct snd_opti9xx *chip;
1075
1076         if (snd_opti9xx_pnp_is_probed)
1077                 return -EBUSY;
1078         if (! isapnp)
1079                 return -ENODEV;
1080         error = snd_opti9xx_card_new(&card);
1081         if (error < 0)
1082                 return error;
1083         chip = card->private_data;
1084
1085         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1086         switch (hw) {
1087         case 0x0924:
1088                 hw = OPTi9XX_HW_82C924;
1089                 break;
1090         case 0x0925:
1091                 hw = OPTi9XX_HW_82C925;
1092                 break;
1093         case 0x0931:
1094                 hw = OPTi9XX_HW_82C931;
1095                 break;
1096         default:
1097                 snd_card_free(card);
1098                 return -ENODEV;
1099         }
1100
1101         if ((error = snd_opti9xx_init(chip, hw))) {
1102                 snd_card_free(card);
1103                 return error;
1104         }
1105         error = snd_opti9xx_read_check(chip);
1106         if (error) {
1107                 snd_printk(KERN_ERR "OPTI chip not found\n");
1108                 snd_card_free(card);
1109                 return error;
1110         }
1111         snd_card_set_dev(card, &pcard->card->dev);
1112         if ((error = snd_opti9xx_probe(card)) < 0) {
1113                 snd_card_free(card);
1114                 return error;
1115         }
1116         pnp_set_card_drvdata(pcard, card);
1117         snd_opti9xx_pnp_is_probed = 1;
1118         return 0;
1119 }
1120
1121 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
1122 {
1123         snd_card_free(pnp_get_card_drvdata(pcard));
1124         pnp_set_card_drvdata(pcard, NULL);
1125         snd_opti9xx_pnp_is_probed = 0;
1126 }
1127
1128 static struct pnp_card_driver opti9xx_pnpc_driver = {
1129         .flags          = PNP_DRIVER_RES_DISABLE,
1130         .name           = "opti9xx",
1131         .id_table       = snd_opti9xx_pnpids,
1132         .probe          = snd_opti9xx_pnp_probe,
1133         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
1134 };
1135 #endif
1136
1137 #ifdef OPTi93X
1138 #define CHIP_NAME       "82C93x"
1139 #else
1140 #define CHIP_NAME       "82C92x"
1141 #endif
1142
1143 static int __init alsa_card_opti9xx_init(void)
1144 {
1145 #ifdef CONFIG_PNP
1146         pnp_register_card_driver(&opti9xx_pnpc_driver);
1147         if (snd_opti9xx_pnp_is_probed)
1148                 return 0;
1149         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1150 #endif
1151         return isa_register_driver(&snd_opti9xx_driver, 1);
1152 }
1153
1154 static void __exit alsa_card_opti9xx_exit(void)
1155 {
1156         if (!snd_opti9xx_pnp_is_probed) {
1157                 isa_unregister_driver(&snd_opti9xx_driver);
1158                 return;
1159         }
1160 #ifdef CONFIG_PNP
1161         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1162 #endif
1163 }
1164
1165 module_init(alsa_card_opti9xx_init)
1166 module_exit(alsa_card_opti9xx_exit)