sound/isa/opti9xx/opti92x-ad1848.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
   4     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
   5
   6     Part of this code was developed at the Italian Ministry of Air Defence,
   7     Sixth Division (oh, che pace ...), Rome.
   8
   9     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
  10
  11 */
  12
  13
  14 #include <linux/init.h>
  15 #include <linux/err.h>
  16 #include <linux/isa.h>
  17 #include <linux/delay.h>
  18 #include <linux/pnp.h>
  19 #include <linux/module.h>
  20 #include <linux/io.h>
  21 #include <asm/dma.h>
  22 #include <sound/core.h>
  23 #include <sound/tlv.h>
  24 #include <sound/wss.h>
  25 #include <sound/mpu401.h>
  26 #include <sound/opl3.h>
  27 #ifndef OPTi93X
  28 #include <sound/opl4.h>
  29 #endif
  30 #define SNDRV_LEGACY_FIND_FREE_IOPORT
  31 #define SNDRV_LEGACY_FIND_FREE_IRQ
  32 #define SNDRV_LEGACY_FIND_FREE_DMA
  33 #include <sound/initval.h>
  34
  35 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
  36 MODULE_LICENSE("GPL");
  37 #ifdef OPTi93X
  38 MODULE_DESCRIPTION("OPTi93X");
  39 #else   /* OPTi93X */
  40 #ifdef CS4231
  41 MODULE_DESCRIPTION("OPTi92X - CS4231");
  42 #else   /* CS4231 */
  43 MODULE_DESCRIPTION("OPTi92X - AD1848");
  44 #endif  /* CS4231 */
  45 #endif  /* OPTi93X */
  46
  47 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
  48 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
  49 //static bool enable = SNDRV_DEFAULT_ENABLE1;   /* Enable this card */
  50 #ifdef CONFIG_PNP
  51 static bool isapnp = true;                      /* Enable ISA PnP detection */
  52 #endif
  53 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
  54 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
  55 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
  56 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
  57 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
  58 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
  59 #if defined(CS4231) || defined(OPTi93X)
  60 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
  61 #endif  /* CS4231 || OPTi93X */
  62
  63 module_param(index, int, 0444);
  64 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
  65 module_param(id, charp, 0444);
  66 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
  67 //module_param(enable, bool, 0444);
  68 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
  69 #ifdef CONFIG_PNP
  70 module_param(isapnp, bool, 0444);
  71 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
  72 #endif
  73 module_param_hw(port, long, ioport, 0444);
  74 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
  75 module_param_hw(mpu_port, long, ioport, 0444);
  76 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
  77 module_param_hw(fm_port, long, ioport, 0444);
  78 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
  79 module_param_hw(irq, int, irq, 0444);
  80 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
  81 module_param_hw(mpu_irq, int, irq, 0444);
  82 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
  83 module_param_hw(dma1, int, dma, 0444);
  84 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
  85 #if defined(CS4231) || defined(OPTi93X)
  86 module_param_hw(dma2, int, dma, 0444);
  87 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
  88 #endif  /* CS4231 || OPTi93X */
  89
  90 #define OPTi9XX_HW_82C928       1
  91 #define OPTi9XX_HW_82C929       2
  92 #define OPTi9XX_HW_82C924       3
  93 #define OPTi9XX_HW_82C925       4
  94 #define OPTi9XX_HW_82C930       5
  95 #define OPTi9XX_HW_82C931       6
  96 #define OPTi9XX_HW_82C933       7
  97 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
  98
  99 #define OPTi9XX_MC_REG(n)       n
 100
 101 #ifdef OPTi93X
 102
 103 #define OPTi93X_STATUS                  0x02
 104 #define OPTi93X_PORT(chip, r)           ((chip)->port + OPTi93X_##r)
 105
 106 #define OPTi93X_IRQ_PLAYBACK            0x04
 107 #define OPTi93X_IRQ_CAPTURE             0x08
 108
 109 #endif /* OPTi93X */
 110
 111 struct snd_opti9xx {
 112         unsigned short hardware;
 113         unsigned char password;
 114         char name[7];
 115
 116         unsigned long mc_base;
 117         struct resource *res_mc_base;
 118         unsigned long mc_base_size;
 119 #ifdef OPTi93X
 120         unsigned long mc_indir_index;
 121         struct resource *res_mc_indir;
 122 #endif  /* OPTi93X */
 123         struct snd_wss *codec;
 124         unsigned long pwd_reg;
 125
 126         spinlock_t lock;
 127
 128         long wss_base;
 129         int irq;
 130 };
 131
 132 static int snd_opti9xx_pnp_is_probed;
 133
 134 #ifdef CONFIG_PNP
 135
 136 static const struct pnp_card_device_id snd_opti9xx_pnpids[] = {
 137 #ifndef OPTi93X
 138         /* OPTi 82C924 */
 139         { .id = "OPT0924",
 140           .devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
 141           .driver_data = 0x0924 },
 142         /* OPTi 82C925 */
 143         { .id = "OPT0925",
 144           .devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
 145           .driver_data = 0x0925 },
 146 #else
 147         /* OPTi 82C931/3 */
 148         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
 149           .driver_data = 0x0931 },
 150 #endif  /* OPTi93X */
 151         { .id = "" }
 152 };
 153
 154 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
 155
 156 #endif  /* CONFIG_PNP */
 157
 158 #define DEV_NAME KBUILD_MODNAME
 159
 160 static const char * const snd_opti9xx_names[] = {
 161         "unknown",
 162         "82C928",       "82C929",
 163         "82C924",       "82C925",
 164         "82C930",       "82C931",       "82C933"
 165 };
 166
 167 static int snd_opti9xx_init(struct snd_opti9xx *chip,
 168                             unsigned short hardware)
 169 {
 170         static const int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
 171
 172         chip->hardware = hardware;
 173         strcpy(chip->name, snd_opti9xx_names[hardware]);
 174
 175         spin_lock_init(&chip->lock);
 176
 177         chip->irq = -1;
 178
 179 #ifndef OPTi93X
 180 #ifdef CONFIG_PNP
 181         if (isapnp && chip->mc_base)
 182                 /* PnP resource gives the least 10 bits */
 183                 chip->mc_base |= 0xc00;
 184         else
 185 #endif  /* CONFIG_PNP */
 186         {
 187                 chip->mc_base = 0xf8c;
 188                 chip->mc_base_size = opti9xx_mc_size[hardware];
 189         }
 190 #else
 191                 chip->mc_base_size = opti9xx_mc_size[hardware];
 192 #endif
 193
 194         switch (hardware) {
 195 #ifndef OPTi93X
 196         case OPTi9XX_HW_82C928:
 197         case OPTi9XX_HW_82C929:
 198                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
 199                 chip->pwd_reg = 3;
 200                 break;
 201
 202         case OPTi9XX_HW_82C924:
 203         case OPTi9XX_HW_82C925:
 204                 chip->password = 0xe5;
 205                 chip->pwd_reg = 3;
 206                 break;
 207 #else   /* OPTi93X */
 208
 209         case OPTi9XX_HW_82C930:
 210         case OPTi9XX_HW_82C931:
 211         case OPTi9XX_HW_82C933:
 212                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
 213                 if (!chip->mc_indir_index)
 214                         chip->mc_indir_index = 0xe0e;
 215                 chip->password = 0xe4;
 216                 chip->pwd_reg = 0;
 217                 break;
 218 #endif  /* OPTi93X */
 219
 220         default:
 221                 snd_printk(KERN_ERR "chip %d not supported\n", hardware);
 222                 return -ENODEV;
 223         }
 224         return 0;
 225 }
 226
 227 static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
 228                                       unsigned char reg)
 229 {
 230         unsigned long flags;
 231         unsigned char retval = 0xff;
 232
 233         spin_lock_irqsave(&chip->lock, flags);
 234         outb(chip->password, chip->mc_base + chip->pwd_reg);
 235
 236         switch (chip->hardware) {
 237 #ifndef OPTi93X
 238         case OPTi9XX_HW_82C924:
 239         case OPTi9XX_HW_82C925:
 240                 if (reg > 7) {
 241                         outb(reg, chip->mc_base + 8);
 242                         outb(chip->password, chip->mc_base + chip->pwd_reg);
 243                         retval = inb(chip->mc_base + 9);
 244                         break;
 245                 }
 246                 fallthrough;
 247
 248         case OPTi9XX_HW_82C928:
 249         case OPTi9XX_HW_82C929:
 250                 retval = inb(chip->mc_base + reg);
 251                 break;
 252 #else   /* OPTi93X */
 253
 254         case OPTi9XX_HW_82C930:
 255         case OPTi9XX_HW_82C931:
 256         case OPTi9XX_HW_82C933:
 257                 outb(reg, chip->mc_indir_index);
 258                 outb(chip->password, chip->mc_base + chip->pwd_reg);
 259                 retval = inb(chip->mc_indir_index + 1);
 260                 break;
 261 #endif  /* OPTi93X */
 262
 263         default:
 264                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
 265         }
 266
 267         spin_unlock_irqrestore(&chip->lock, flags);
 268         return retval;
 269 }
 270
 271 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
 272                               unsigned char value)
 273 {
 274         unsigned long flags;
 275
 276         spin_lock_irqsave(&chip->lock, flags);
 277         outb(chip->password, chip->mc_base + chip->pwd_reg);
 278
 279         switch (chip->hardware) {
 280 #ifndef OPTi93X
 281         case OPTi9XX_HW_82C924:
 282         case OPTi9XX_HW_82C925:
 283                 if (reg > 7) {
 284                         outb(reg, chip->mc_base + 8);
 285                         outb(chip->password, chip->mc_base + chip->pwd_reg);
 286                         outb(value, chip->mc_base + 9);
 287                         break;
 288                 }
 289                 fallthrough;
 290
 291         case OPTi9XX_HW_82C928:
 292         case OPTi9XX_HW_82C929:
 293                 outb(value, chip->mc_base + reg);
 294                 break;
 295 #else   /* OPTi93X */
 296
 297         case OPTi9XX_HW_82C930:
 298         case OPTi9XX_HW_82C931:
 299         case OPTi9XX_HW_82C933:
 300                 outb(reg, chip->mc_indir_index);
 301                 outb(chip->password, chip->mc_base + chip->pwd_reg);
 302                 outb(value, chip->mc_indir_index + 1);
 303                 break;
 304 #endif  /* OPTi93X */
 305
 306         default:
 307                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
 308         }
 309
 310         spin_unlock_irqrestore(&chip->lock, flags);
 311 }
 312
 313
 314 static inline void snd_opti9xx_write_mask(struct snd_opti9xx *chip,
 315                 unsigned char reg, unsigned char value, unsigned char mask)
 316 {
 317         unsigned char oldval = snd_opti9xx_read(chip, reg);
 318
 319         snd_opti9xx_write(chip, reg, (oldval & ~mask) | (value & mask));
 320 }
 321
 322 static int snd_opti9xx_configure(struct snd_opti9xx *chip,
 323                                            long port,
 324                                            int irq, int dma1, int dma2,
 325                                            long mpu_port, int mpu_irq)
 326 {
 327         unsigned char wss_base_bits;
 328         unsigned char irq_bits;
 329         unsigned char dma_bits;
 330         unsigned char mpu_port_bits = 0;
 331         unsigned char mpu_irq_bits;
 332
 333         switch (chip->hardware) {
 334 #ifndef OPTi93X
 335         case OPTi9XX_HW_82C924:
 336                 /* opti 929 mode (?), OPL3 clock output, audio enable */
 337                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
 338                 /* enable wave audio */
 339                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
 340                 fallthrough;
 341
 342         case OPTi9XX_HW_82C925:
 343                 /* enable WSS mode */
 344                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
 345                 /* OPL3 FM synthesis */
 346                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
 347                 /* disable Sound Blaster IRQ and DMA */
 348                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
 349 #ifdef CS4231
 350                 /* cs4231/4248 fix enabled */
 351                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
 352 #else
 353                 /* cs4231/4248 fix disabled */
 354                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
 355 #endif  /* CS4231 */
 356                 break;
 357
 358         case OPTi9XX_HW_82C928:
 359         case OPTi9XX_HW_82C929:
 360                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
 361                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
 362                 /*
 363                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
 364                 */
 365                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
 366 #ifdef CS4231
 367                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
 368 #else
 369                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
 370 #endif  /* CS4231 */
 371                 break;
 372
 373 #else   /* OPTi93X */
 374         case OPTi9XX_HW_82C931:
 375                 /* disable 3D sound (set GPIO1 as output, low) */
 376                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
 377                 fallthrough;
 378
 379         case OPTi9XX_HW_82C933:
 380                 /*
 381                  * The BTC 1817DW has QS1000 wavetable which is connected
 382                  * to the serial digital input of the OPTI931.
 383                  */
 384                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
 385                 /*
 386                  * This bit sets OPTI931 to automaticaly select FM
 387                  * or digital input signal.
 388                  */
 389                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
 390                 fallthrough;
 391
 392         case OPTi9XX_HW_82C930:
 393                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
 394                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
 395                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
 396                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
 397                         0x34);
 398                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
 399                 break;
 400 #endif  /* OPTi93X */
 401
 402         default:
 403                 snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
 404                 return -EINVAL;
 405         }
 406
 407         /* PnP resource says it decodes only 10 bits of address */
 408         switch (port & 0x3ff) {
 409         case 0x130:
 410                 chip->wss_base = 0x530;
 411                 wss_base_bits = 0x00;
 412                 break;
 413         case 0x204:
 414                 chip->wss_base = 0x604;
 415                 wss_base_bits = 0x03;
 416                 break;
 417         case 0x280:
 418                 chip->wss_base = 0xe80;
 419                 wss_base_bits = 0x01;
 420                 break;
 421         case 0x340:
 422                 chip->wss_base = 0xf40;
 423                 wss_base_bits = 0x02;
 424                 break;
 425         default:
 426                 snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
 427                 goto __skip_base;
 428         }
 429         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
 430
 431 __skip_base:
 432         switch (irq) {
 433 //#ifdef OPTi93X
 434         case 5:
 435                 irq_bits = 0x05;
 436                 break;
 437 //#endif        /* OPTi93X */
 438         case 7:
 439                 irq_bits = 0x01;
 440                 break;
 441         case 9:
 442                 irq_bits = 0x02;
 443                 break;
 444         case 10:
 445                 irq_bits = 0x03;
 446                 break;
 447         case 11:
 448                 irq_bits = 0x04;
 449                 break;
 450         default:
 451                 snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
 452                 goto __skip_resources;
 453         }
 454
 455         switch (dma1) {
 456         case 0:
 457                 dma_bits = 0x01;
 458                 break;
 459         case 1:
 460                 dma_bits = 0x02;
 461                 break;
 462         case 3:
 463                 dma_bits = 0x03;
 464                 break;
 465         default:
 466                 snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
 467                 goto __skip_resources;
 468         }
 469
 470 #if defined(CS4231) || defined(OPTi93X)
 471         if (dma1 == dma2) {
 472                 snd_printk(KERN_ERR "don't want to share dmas\n");
 473                 return -EBUSY;
 474         }
 475
 476         switch (dma2) {
 477         case 0:
 478         case 1:
 479                 break;
 480         default:
 481                 snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
 482                 goto __skip_resources;
 483         }
 484         dma_bits |= 0x04;
 485 #endif  /* CS4231 || OPTi93X */
 486
 487 #ifndef OPTi93X
 488          outb(irq_bits << 3 | dma_bits, chip->wss_base);
 489 #else /* OPTi93X */
 490         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
 491 #endif /* OPTi93X */
 492
 493 __skip_resources:
 494         if (chip->hardware > OPTi9XX_HW_82C928) {
 495                 switch (mpu_port) {
 496                 case 0:
 497                 case -1:
 498                         break;
 499                 case 0x300:
 500                         mpu_port_bits = 0x03;
 501                         break;
 502                 case 0x310:
 503                         mpu_port_bits = 0x02;
 504                         break;
 505                 case 0x320:
 506                         mpu_port_bits = 0x01;
 507                         break;
 508                 case 0x330:
 509                         mpu_port_bits = 0x00;
 510                         break;
 511                 default:
 512                         snd_printk(KERN_WARNING
 513                                    "MPU-401 port 0x%lx not valid\n", mpu_port);
 514                         goto __skip_mpu;
 515                 }
 516
 517                 switch (mpu_irq) {
 518                 case 5:
 519                         mpu_irq_bits = 0x02;
 520                         break;
 521                 case 7:
 522                         mpu_irq_bits = 0x03;
 523                         break;
 524                 case 9:
 525                         mpu_irq_bits = 0x00;
 526                         break;
 527                 case 10:
 528                         mpu_irq_bits = 0x01;
 529                         break;
 530                 default:
 531                         snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
 532                                 mpu_irq);
 533                         goto __skip_mpu;
 534                 }
 535
 536                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
 537                         (mpu_port <= 0) ? 0x00 :
 538                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
 539                         0xf8);
 540         }
 541 __skip_mpu:
 542
 543         return 0;
 544 }
 545
 546 #ifdef OPTi93X
 547
 548 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
 549 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
 550 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
 551
 552 static const struct snd_kcontrol_new snd_opti93x_controls[] = {
 553 WSS_DOUBLE("Master Playback Switch", 0,
 554                 OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
 555 WSS_DOUBLE_TLV("Master Playback Volume", 0,
 556                 OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
 557                 db_scale_5bit_3db_step),
 558 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
 559                 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
 560                 db_scale_5bit),
 561 WSS_DOUBLE_TLV("FM Playback Volume", 0,
 562                 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
 563                 db_scale_4bit_12db_max),
 564 WSS_DOUBLE("Line Playback Switch", 0,
 565                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
 566 WSS_DOUBLE_TLV("Line Playback Volume", 0,
 567                 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
 568                 db_scale_4bit_12db_max),
 569 WSS_DOUBLE("Mic Playback Switch", 0,
 570                 OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
 571 WSS_DOUBLE_TLV("Mic Playback Volume", 0,
 572                 OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
 573                 db_scale_4bit_12db_max),
 574 WSS_DOUBLE_TLV("CD Playback Volume", 0,
 575                 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
 576                 db_scale_4bit_12db_max),
 577 WSS_DOUBLE("Aux Playback Switch", 0,
 578                 OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
 579 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
 580                 OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
 581                 db_scale_4bit_12db_max),
 582 };
 583
 584 static int snd_opti93x_mixer(struct snd_wss *chip)
 585 {
 586         struct snd_card *card;
 587         unsigned int idx;
 588         struct snd_ctl_elem_id id1, id2;
 589         int err;
 590
 591         if (snd_BUG_ON(!chip || !chip->pcm))
 592                 return -EINVAL;
 593
 594         card = chip->card;
 595
 596         strcpy(card->mixername, chip->pcm->name);
 597
 598         memset(&id1, 0, sizeof(id1));
 599         memset(&id2, 0, sizeof(id2));
 600         id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 601         /* reassign AUX0 switch to CD */
 602         strcpy(id1.name, "Aux Playback Switch");
 603         strcpy(id2.name, "CD Playback Switch");
 604         err = snd_ctl_rename_id(card, &id1, &id2);
 605         if (err < 0) {
 606                 snd_printk(KERN_ERR "Cannot rename opti93x control\n");
 607                 return err;
 608         }
 609         /* reassign AUX1 switch to FM */
 610         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
 611         strcpy(id2.name, "FM Playback Switch");
 612         err = snd_ctl_rename_id(card, &id1, &id2);
 613         if (err < 0) {
 614                 snd_printk(KERN_ERR "Cannot rename opti93x control\n");
 615                 return err;
 616         }
 617         /* remove AUX1 volume */
 618         strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
 619         snd_ctl_remove_id(card, &id1);
 620
 621         /* Replace WSS volume controls with OPTi93x volume controls */
 622         id1.index = 0;
 623         for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
 624                 strcpy(id1.name, snd_opti93x_controls[idx].name);
 625                 snd_ctl_remove_id(card, &id1);
 626
 627                 err = snd_ctl_add(card,
 628                                 snd_ctl_new1(&snd_opti93x_controls[idx], chip));
 629                 if (err < 0)
 630                         return err;
 631         }
 632         return 0;
 633 }
 634
 635 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
 636 {
 637         struct snd_opti9xx *chip = dev_id;
 638         struct snd_wss *codec = chip->codec;
 639         unsigned char status;
 640
 641         if (!codec)
 642                 return IRQ_HANDLED;
 643
 644         status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
 645         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
 646                 snd_pcm_period_elapsed(codec->playback_substream);
 647         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
 648                 snd_wss_overrange(codec);
 649                 snd_pcm_period_elapsed(codec->capture_substream);
 650         }
 651         outb(0x00, OPTi93X_PORT(codec, STATUS));
 652         return IRQ_HANDLED;
 653 }
 654
 655 #endif /* OPTi93X */
 656
 657 static int snd_opti9xx_read_check(struct snd_opti9xx *chip)
 658 {
 659         unsigned char value;
 660 #ifdef OPTi93X
 661         unsigned long flags;
 662 #endif
 663
 664         chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
 665                                            "OPTi9xx MC");
 666         if (chip->res_mc_base == NULL)
 667                 return -EBUSY;
 668 #ifndef OPTi93X
 669         value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
 670         if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
 671                 if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
 672                         return 0;
 673 #else   /* OPTi93X */
 674         chip->res_mc_indir = request_region(chip->mc_indir_index, 2,
 675                                             "OPTi93x MC");
 676         if (chip->res_mc_indir == NULL)
 677                 return -EBUSY;
 678
 679         spin_lock_irqsave(&chip->lock, flags);
 680         outb(chip->password, chip->mc_base + chip->pwd_reg);
 681         outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
 682         spin_unlock_irqrestore(&chip->lock, flags);
 683
 684         value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
 685         snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
 686         if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
 687                 return 0;
 688
 689         release_and_free_resource(chip->res_mc_indir);
 690         chip->res_mc_indir = NULL;
 691 #endif  /* OPTi93X */
 692         release_and_free_resource(chip->res_mc_base);
 693         chip->res_mc_base = NULL;
 694
 695         return -ENODEV;
 696 }
 697
 698 static int snd_card_opti9xx_detect(struct snd_card *card,
 699                                    struct snd_opti9xx *chip)
 700 {
 701         int i, err;
 702
 703 #ifndef OPTi93X
 704         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
 705 #else
 706         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
 707 #endif
 708                 err = snd_opti9xx_init(chip, i);
 709                 if (err < 0)
 710                         return err;
 711
 712                 err = snd_opti9xx_read_check(chip);
 713                 if (err == 0)
 714                         return 1;
 715 #ifdef OPTi93X
 716                 chip->mc_indir_index = 0;
 717 #endif
 718         }
 719         return -ENODEV;
 720 }
 721
 722 #ifdef CONFIG_PNP
 723 static int snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
 724                                 struct pnp_card_link *card,
 725                                 const struct pnp_card_device_id *pid)
 726 {
 727         struct pnp_dev *pdev;
 728         int err;
 729         struct pnp_dev *devmpu;
 730 #ifndef OPTi93X
 731         struct pnp_dev *devmc;
 732 #endif
 733
 734         pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
 735         if (pdev == NULL)
 736                 return -EBUSY;
 737
 738         err = pnp_activate_dev(pdev);
 739         if (err < 0) {
 740                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
 741                 return err;
 742         }
 743
 744 #ifdef OPTi93X
 745         port = pnp_port_start(pdev, 0) - 4;
 746         fm_port = pnp_port_start(pdev, 1) + 8;
 747         /* adjust mc_indir_index - some cards report it at 0xe?d,
 748            other at 0xe?c but it really is always at 0xe?e */
 749         chip->mc_indir_index = (pnp_port_start(pdev, 3) & ~0xf) | 0xe;
 750 #else
 751         devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
 752         if (devmc == NULL)
 753                 return -EBUSY;
 754
 755         err = pnp_activate_dev(devmc);
 756         if (err < 0) {
 757                 snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
 758                 return err;
 759         }
 760
 761         port = pnp_port_start(pdev, 1);
 762         fm_port = pnp_port_start(pdev, 2) + 8;
 763         /*
 764          * The MC(0) is never accessed and card does not
 765          * include it in the PnP resource range. OPTI93x include it.
 766          */
 767         chip->mc_base = pnp_port_start(devmc, 0) - 1;
 768         chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
 769 #endif  /* OPTi93X */
 770         irq = pnp_irq(pdev, 0);
 771         dma1 = pnp_dma(pdev, 0);
 772 #if defined(CS4231) || defined(OPTi93X)
 773         dma2 = pnp_dma(pdev, 1);
 774 #endif  /* CS4231 || OPTi93X */
 775
 776         devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
 777
 778         if (devmpu && mpu_port > 0) {
 779                 err = pnp_activate_dev(devmpu);
 780                 if (err < 0) {
 781                         snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
 782                         mpu_port = -1;
 783                 } else {
 784                         mpu_port = pnp_port_start(devmpu, 0);
 785                         mpu_irq = pnp_irq(devmpu, 0);
 786                 }
 787         }
 788         return pid->driver_data;
 789 }
 790 #endif  /* CONFIG_PNP */
 791
 792 static void snd_card_opti9xx_free(struct snd_card *card)
 793 {
 794         struct snd_opti9xx *chip = card->private_data;
 795
 796         if (chip) {
 797 #ifdef OPTi93X
 798                 if (chip->irq > 0) {
 799                         disable_irq(chip->irq);
 800                         free_irq(chip->irq, chip);
 801                 }
 802                 release_and_free_resource(chip->res_mc_indir);
 803 #endif
 804                 release_and_free_resource(chip->res_mc_base);
 805         }
 806 }
 807
 808 static int snd_opti9xx_probe(struct snd_card *card)
 809 {
 810         static const long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
 811         int error;
 812         int xdma2;
 813         struct snd_opti9xx *chip = card->private_data;
 814         struct snd_wss *codec;
 815         struct snd_rawmidi *rmidi;
 816         struct snd_hwdep *synth;
 817
 818 #if defined(CS4231) || defined(OPTi93X)
 819         xdma2 = dma2;
 820 #else
 821         xdma2 = -1;
 822 #endif
 823
 824         if (port == SNDRV_AUTO_PORT) {
 825                 port = snd_legacy_find_free_ioport(possible_ports, 4);
 826                 if (port < 0) {
 827                         snd_printk(KERN_ERR "unable to find a free WSS port\n");
 828                         return -EBUSY;
 829                 }
 830         }
 831         error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
 832                                       mpu_port, mpu_irq);
 833         if (error)
 834                 return error;
 835
 836         error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
 837 #ifdef OPTi93X
 838                                WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
 839 #else
 840                                WSS_HW_DETECT, 0,
 841 #endif
 842                                &codec);
 843         if (error < 0)
 844                 return error;
 845         chip->codec = codec;
 846         error = snd_wss_pcm(codec, 0);
 847         if (error < 0)
 848                 return error;
 849         error = snd_wss_mixer(codec);
 850         if (error < 0)
 851                 return error;
 852 #ifdef OPTi93X
 853         error = snd_opti93x_mixer(codec);
 854         if (error < 0)
 855                 return error;
 856 #endif
 857 #ifdef CS4231
 858         error = snd_wss_timer(codec, 0);
 859         if (error < 0)
 860                 return error;
 861 #endif
 862 #ifdef OPTi93X
 863         error = request_irq(irq, snd_opti93x_interrupt,
 864                             0, DEV_NAME" - WSS", chip);
 865         if (error < 0) {
 866                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
 867                 return error;
 868         }
 869 #endif
 870         chip->irq = irq;
 871         card->sync_irq = chip->irq;
 872         strcpy(card->driver, chip->name);
 873         sprintf(card->shortname, "OPTi %s", card->driver);
 874 #if defined(CS4231) || defined(OPTi93X)
 875         snprintf(card->longname, sizeof(card->longname),
 876                  "%s, %s at 0x%lx, irq %d, dma %d&%d",
 877                  card->shortname, codec->pcm->name,
 878                  chip->wss_base + 4, irq, dma1, xdma2);
 879 #else
 880         snprintf(card->longname, sizeof(card->longname),
 881                  "%s, %s at 0x%lx, irq %d, dma %d",
 882                  card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
 883                  dma1);
 884 #endif  /* CS4231 || OPTi93X */
 885
 886         if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
 887                 rmidi = NULL;
 888         else {
 889                 error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
 890                                 mpu_port, 0, mpu_irq, &rmidi);
 891                 if (error)
 892                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
 893                                    mpu_port);
 894         }
 895
 896         if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
 897                 struct snd_opl3 *opl3 = NULL;
 898 #ifndef OPTi93X
 899                 if (chip->hardware == OPTi9XX_HW_82C928 ||
 900                     chip->hardware == OPTi9XX_HW_82C929 ||
 901                     chip->hardware == OPTi9XX_HW_82C924) {
 902                         struct snd_opl4 *opl4;
 903                         /* assume we have an OPL4 */
 904                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
 905                                                0x20, 0x20);
 906                         if (snd_opl4_create(card, fm_port, fm_port - 8,
 907                                             2, &opl3, &opl4) < 0) {
 908                                 /* no luck, use OPL3 instead */
 909                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
 910                                                        0x00, 0x20);
 911                         }
 912                 }
 913 #endif  /* !OPTi93X */
 914                 if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
 915                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
 916                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
 917                                    fm_port, fm_port + 4 - 1);
 918                 }
 919                 if (opl3) {
 920                         error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
 921                         if (error < 0)
 922                                 return error;
 923                 }
 924         }
 925
 926         return snd_card_register(card);
 927 }
 928
 929 static int snd_opti9xx_card_new(struct device *pdev, struct snd_card **cardp)
 930 {
 931         struct snd_card *card;
 932         int err;
 933
 934         err = snd_card_new(pdev, index, id, THIS_MODULE,
 935                            sizeof(struct snd_opti9xx), &card);
 936         if (err < 0)
 937                 return err;
 938         card->private_free = snd_card_opti9xx_free;
 939         *cardp = card;
 940         return 0;
 941 }
 942
 943 static int snd_opti9xx_isa_match(struct device *devptr,
 944                                  unsigned int dev)
 945 {
 946 #ifdef CONFIG_PNP
 947         if (snd_opti9xx_pnp_is_probed)
 948                 return 0;
 949         if (isapnp)
 950                 return 0;
 951 #endif
 952         return 1;
 953 }
 954
 955 static int snd_opti9xx_isa_probe(struct device *devptr,
 956                                  unsigned int dev)
 957 {
 958         struct snd_card *card;
 959         int error;
 960         static const long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
 961 #ifdef OPTi93X
 962         static const int possible_irqs[] = {5, 9, 10, 11, 7, -1};
 963 #else
 964         static const int possible_irqs[] = {9, 10, 11, 7, -1};
 965 #endif  /* OPTi93X */
 966         static const int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
 967         static const int possible_dma1s[] = {3, 1, 0, -1};
 968 #if defined(CS4231) || defined(OPTi93X)
 969         static const int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
 970 #endif  /* CS4231 || OPTi93X */
 971
 972         if (mpu_port == SNDRV_AUTO_PORT) {
 973                 mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2);
 974                 if (mpu_port < 0) {
 975                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
 976                         return -EBUSY;
 977                 }
 978         }
 979         if (irq == SNDRV_AUTO_IRQ) {
 980                 irq = snd_legacy_find_free_irq(possible_irqs);
 981                 if (irq < 0) {
 982                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
 983                         return -EBUSY;
 984                 }
 985         }
 986         if (mpu_irq == SNDRV_AUTO_IRQ) {
 987                 mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs);
 988                 if (mpu_irq < 0) {
 989                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
 990                         return -EBUSY;
 991                 }
 992         }
 993         if (dma1 == SNDRV_AUTO_DMA) {
 994                 dma1 = snd_legacy_find_free_dma(possible_dma1s);
 995                 if (dma1 < 0) {
 996                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
 997                         return -EBUSY;
 998                 }
 999         }
1000 #if defined(CS4231) || defined(OPTi93X)
1001         if (dma2 == SNDRV_AUTO_DMA) {
1002                 dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4]);
1003                 if (dma2 < 0) {
1004                         snd_printk(KERN_ERR "unable to find a free DMA2\n");
1005                         return -EBUSY;
1006                 }
1007         }
1008 #endif
1009
1010         error = snd_opti9xx_card_new(devptr, &card);
1011         if (error < 0)
1012                 return error;
1013
1014         error = snd_card_opti9xx_detect(card, card->private_data);
1015         if (error < 0) {
1016                 snd_card_free(card);
1017                 return error;
1018         }
1019         error = snd_opti9xx_probe(card);
1020         if (error < 0) {
1021                 snd_card_free(card);
1022                 return error;
1023         }
1024         dev_set_drvdata(devptr, card);
1025         return 0;
1026 }
1027
1028 static void snd_opti9xx_isa_remove(struct device *devptr,
1029                                    unsigned int dev)
1030 {
1031         snd_card_free(dev_get_drvdata(devptr));
1032 }
1033
1034 #ifdef CONFIG_PM
1035 static int snd_opti9xx_suspend(struct snd_card *card)
1036 {
1037         struct snd_opti9xx *chip = card->private_data;
1038
1039         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1040         chip->codec->suspend(chip->codec);
1041         return 0;
1042 }
1043
1044 static int snd_opti9xx_resume(struct snd_card *card)
1045 {
1046         struct snd_opti9xx *chip = card->private_data;
1047         int error, xdma2;
1048 #if defined(CS4231) || defined(OPTi93X)
1049         xdma2 = dma2;
1050 #else
1051         xdma2 = -1;
1052 #endif
1053
1054         error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
1055                                       mpu_port, mpu_irq);
1056         if (error)
1057                 return error;
1058         chip->codec->resume(chip->codec);
1059         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1060         return 0;
1061 }
1062
1063 static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n,
1064                                    pm_message_t state)
1065 {
1066         return snd_opti9xx_suspend(dev_get_drvdata(dev));
1067 }
1068
1069 static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n)
1070 {
1071         return snd_opti9xx_resume(dev_get_drvdata(dev));
1072 }
1073 #endif
1074
1075 static struct isa_driver snd_opti9xx_driver = {
1076         .match          = snd_opti9xx_isa_match,
1077         .probe          = snd_opti9xx_isa_probe,
1078         .remove         = snd_opti9xx_isa_remove,
1079 #ifdef CONFIG_PM
1080         .suspend        = snd_opti9xx_isa_suspend,
1081         .resume         = snd_opti9xx_isa_resume,
1082 #endif
1083         .driver         = {
1084                 .name   = DEV_NAME
1085         },
1086 };
1087
1088 #ifdef CONFIG_PNP
1089 static int snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
1090                                  const struct pnp_card_device_id *pid)
1091 {
1092         struct snd_card *card;
1093         int error, hw;
1094         struct snd_opti9xx *chip;
1095
1096         if (snd_opti9xx_pnp_is_probed)
1097                 return -EBUSY;
1098         if (! isapnp)
1099                 return -ENODEV;
1100         error = snd_opti9xx_card_new(&pcard->card->dev, &card);
1101         if (error < 0)
1102                 return error;
1103         chip = card->private_data;
1104
1105         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
1106         switch (hw) {
1107         case 0x0924:
1108                 hw = OPTi9XX_HW_82C924;
1109                 break;
1110         case 0x0925:
1111                 hw = OPTi9XX_HW_82C925;
1112                 break;
1113         case 0x0931:
1114                 hw = OPTi9XX_HW_82C931;
1115                 break;
1116         default:
1117                 snd_card_free(card);
1118                 return -ENODEV;
1119         }
1120
1121         error = snd_opti9xx_init(chip, hw);
1122         if (error) {
1123                 snd_card_free(card);
1124                 return error;
1125         }
1126         error = snd_opti9xx_read_check(chip);
1127         if (error) {
1128                 snd_printk(KERN_ERR "OPTI chip not found\n");
1129                 snd_card_free(card);
1130                 return error;
1131         }
1132         error = snd_opti9xx_probe(card);
1133         if (error < 0) {
1134                 snd_card_free(card);
1135                 return error;
1136         }
1137         pnp_set_card_drvdata(pcard, card);
1138         snd_opti9xx_pnp_is_probed = 1;
1139         return 0;
1140 }
1141
1142 static void snd_opti9xx_pnp_remove(struct pnp_card_link *pcard)
1143 {
1144         snd_card_free(pnp_get_card_drvdata(pcard));
1145         pnp_set_card_drvdata(pcard, NULL);
1146         snd_opti9xx_pnp_is_probed = 0;
1147 }
1148
1149 #ifdef CONFIG_PM
1150 static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard,
1151                                    pm_message_t state)
1152 {
1153         return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard));
1154 }
1155
1156 static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
1157 {
1158         return snd_opti9xx_resume(pnp_get_card_drvdata(pcard));
1159 }
1160 #endif
1161
1162 static struct pnp_card_driver opti9xx_pnpc_driver = {
1163         .flags          = PNP_DRIVER_RES_DISABLE,
1164         .name           = DEV_NAME,
1165         .id_table       = snd_opti9xx_pnpids,
1166         .probe          = snd_opti9xx_pnp_probe,
1167         .remove         = snd_opti9xx_pnp_remove,
1168 #ifdef CONFIG_PM
1169         .suspend        = snd_opti9xx_pnp_suspend,
1170         .resume         = snd_opti9xx_pnp_resume,
1171 #endif
1172 };
1173 #endif
1174
1175 #ifdef OPTi93X
1176 #define CHIP_NAME       "82C93x"
1177 #else
1178 #define CHIP_NAME       "82C92x"
1179 #endif
1180
1181 static int __init alsa_card_opti9xx_init(void)
1182 {
1183 #ifdef CONFIG_PNP
1184         pnp_register_card_driver(&opti9xx_pnpc_driver);
1185         if (snd_opti9xx_pnp_is_probed)
1186                 return 0;
1187         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1188 #endif
1189         return isa_register_driver(&snd_opti9xx_driver, 1);
1190 }
1191
1192 static void __exit alsa_card_opti9xx_exit(void)
1193 {
1194         if (!snd_opti9xx_pnp_is_probed) {
1195                 isa_unregister_driver(&snd_opti9xx_driver);
1196                 return;
1197         }
1198 #ifdef CONFIG_PNP
1199         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1200 #endif
1201 }
1202
1203 module_init(alsa_card_opti9xx_init)
1204 module_exit(alsa_card_opti9xx_exit)