sound/isa/opti9xx/opti92x-ad1848.c

   1 /*
   2     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
   3     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
   4
   5     Part of this code was developed at the Italian Ministry of Air Defence,
   6     Sixth Division (oh, che pace ...), Rome.
   7
   8     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
   9
  10     This program is free software; you can redistribute it and/or modify
  11     it under the terms of the GNU General Public License as published by
  12     the Free Software Foundation; either version 2 of the License, or
  13     (at your option) any later version.
  14
  15     This program is distributed in the hope that it will be useful,
  16     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18     GNU General Public License for more details.
  19
  20     You should have received a copy of the GNU General Public License
  21     along with this program; if not, write to the Free Software
  22     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23 */
  24
  25
  26 #include <linux/init.h>
  27 #include <linux/err.h>
  28 #include <linux/isa.h>
  29 #include <linux/delay.h>
  30 #include <linux/slab.h>
  31 #include <linux/pnp.h>
  32 #include <linux/moduleparam.h>
  33 #include <asm/io.h>
  34 #include <asm/dma.h>
  35 #include <sound/core.h>
  36 #if defined(CS4231) || defined(OPTi93X)
  37 #include <sound/cs4231.h>
  38 #else
  39 #include <sound/ad1848.h>
  40 #endif  /* CS4231 */
  41 #include <sound/mpu401.h>
  42 #include <sound/opl3.h>
  43 #ifndef OPTi93X
  44 #include <sound/opl4.h>
  45 #endif
  46 #define SNDRV_LEGACY_FIND_FREE_IRQ
  47 #define SNDRV_LEGACY_FIND_FREE_DMA
  48 #include <sound/initval.h>
  49
  50 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
  51 MODULE_LICENSE("GPL");
  52 #ifdef OPTi93X
  53 MODULE_DESCRIPTION("OPTi93X");
  54 MODULE_SUPPORTED_DEVICE("{{OPTi,82C931/3}}");
  55 #else   /* OPTi93X */
  56 #ifdef CS4231
  57 MODULE_DESCRIPTION("OPTi92X - CS4231");
  58 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (CS4231)},"
  59                 "{OPTi,82C925 (CS4231)}}");
  60 #else   /* CS4231 */
  61 MODULE_DESCRIPTION("OPTi92X - AD1848");
  62 MODULE_SUPPORTED_DEVICE("{{OPTi,82C924 (AD1848)},"
  63                 "{OPTi,82C925 (AD1848)},"
  64                 "{OAK,Mozart}}");
  65 #endif  /* CS4231 */
  66 #endif  /* OPTi93X */
  67
  68 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
  69 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
  70 //static int enable = SNDRV_DEFAULT_ENABLE1;    /* Enable this card */
  71 static int isapnp = 1;                  /* Enable ISA PnP detection */
  72 static long port = SNDRV_DEFAULT_PORT1;         /* 0x530,0xe80,0xf40,0x604 */
  73 static long mpu_port = SNDRV_DEFAULT_PORT1;     /* 0x300,0x310,0x320,0x330 */
  74 static long fm_port = SNDRV_DEFAULT_PORT1;      /* 0x388 */
  75 static int irq = SNDRV_DEFAULT_IRQ1;            /* 5,7,9,10,11 */
  76 static int mpu_irq = SNDRV_DEFAULT_IRQ1;        /* 5,7,9,10 */
  77 static int dma1 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
  78 #if defined(CS4231) || defined(OPTi93X)
  79 static int dma2 = SNDRV_DEFAULT_DMA1;           /* 0,1,3 */
  80 #endif  /* CS4231 || OPTi93X */
  81
  82 module_param(index, int, 0444);
  83 MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
  84 module_param(id, charp, 0444);
  85 MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
  86 //module_param(enable, bool, 0444);
  87 //MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
  88 module_param(isapnp, bool, 0444);
  89 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
  90 module_param(port, long, 0444);
  91 MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
  92 module_param(mpu_port, long, 0444);
  93 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
  94 module_param(fm_port, long, 0444);
  95 MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
  96 module_param(irq, int, 0444);
  97 MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
  98 module_param(mpu_irq, int, 0444);
  99 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
 100 module_param(dma1, int, 0444);
 101 MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
 102 #if defined(CS4231) || defined(OPTi93X)
 103 module_param(dma2, int, 0444);
 104 MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
 105 #endif  /* CS4231 || OPTi93X */
 106
 107 #define OPTi9XX_HW_82C928       1
 108 #define OPTi9XX_HW_82C929       2
 109 #define OPTi9XX_HW_82C924       3
 110 #define OPTi9XX_HW_82C925       4
 111 #define OPTi9XX_HW_82C930       5
 112 #define OPTi9XX_HW_82C931       6
 113 #define OPTi9XX_HW_82C933       7
 114 #define OPTi9XX_HW_LAST         OPTi9XX_HW_82C933
 115
 116 #define OPTi9XX_MC_REG(n)       n
 117
 118 #ifdef OPTi93X
 119
 120 #define OPTi93X_STATUS                  0x02
 121 #define OPTi93X_PORT(chip, r)           ((chip)->port + OPTi93X_##r)
 122
 123 #define OPTi93X_IRQ_PLAYBACK            0x04
 124 #define OPTi93X_IRQ_CAPTURE             0x08
 125
 126 #endif /* OPTi93X */
 127
 128 struct snd_opti9xx {
 129         unsigned short hardware;
 130         unsigned char password;
 131         char name[7];
 132
 133         unsigned long mc_base;
 134         struct resource *res_mc_base;
 135         unsigned long mc_base_size;
 136 #ifdef OPTi93X
 137         unsigned long mc_indir_index;
 138         struct snd_cs4231 *codec;
 139 #endif  /* OPTi93X */
 140         unsigned long pwd_reg;
 141
 142         spinlock_t lock;
 143
 144         long wss_base;
 145         int irq;
 146         int dma1;
 147 #if defined(CS4231) || defined(OPTi93X)
 148         int dma2;
 149 #endif  /* CS4231 || OPTi93X */
 150
 151         long fm_port;
 152
 153         long mpu_port;
 154         int mpu_irq;
 155
 156 #ifdef CONFIG_PNP
 157         struct pnp_dev *dev;
 158         struct pnp_dev *devmpu;
 159 #endif  /* CONFIG_PNP */
 160 };
 161
 162 static int snd_opti9xx_pnp_is_probed;
 163
 164 #ifdef CONFIG_PNP
 165
 166 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
 167 #ifndef OPTi93X
 168         /* OPTi 82C924 */
 169         { .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
 170         /* OPTi 82C925 */
 171         { .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
 172 #else
 173         /* OPTi 82C931/3 */
 174         { .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
 175 #endif  /* OPTi93X */
 176         { .id = "" }
 177 };
 178
 179 MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
 180
 181 #endif  /* CONFIG_PNP */
 182
 183 #ifdef OPTi93X
 184 #define DEV_NAME "opti93x"
 185 #else
 186 #define DEV_NAME "opti92x"
 187 #endif
 188
 189 static char * snd_opti9xx_names[] = {
 190         "unkown",
 191         "82C928",       "82C929",
 192         "82C924",       "82C925",
 193         "82C930",       "82C931",       "82C933"
 194 };
 195
 196
 197 static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
 198 {
 199         while (*port_table != -1) {
 200                 if (request_region(*port_table, size, "ALSA test")) {
 201                         release_region(*port_table, size);
 202                         return *port_table;
 203                 }
 204                 port_table++;
 205         }
 206         return -1;
 207 }
 208
 209 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
 210                                       unsigned short hardware)
 211 {
 212         static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
 213
 214         chip->hardware = hardware;
 215         strcpy(chip->name, snd_opti9xx_names[hardware]);
 216
 217         chip->mc_base_size = opti9xx_mc_size[hardware];
 218
 219         spin_lock_init(&chip->lock);
 220
 221         chip->wss_base = -1;
 222         chip->irq = -1;
 223         chip->dma1 = -1;
 224 #if defined(CS4231) || defined (OPTi93X)
 225         chip->dma2 = -1;
 226 #endif  /* CS4231 || OPTi93X */
 227         chip->fm_port = -1;
 228         chip->mpu_port = -1;
 229         chip->mpu_irq = -1;
 230
 231         switch (hardware) {
 232 #ifndef OPTi93X
 233         case OPTi9XX_HW_82C928:
 234         case OPTi9XX_HW_82C929:
 235                 chip->mc_base = 0xf8c;
 236                 chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
 237                 chip->pwd_reg = 3;
 238                 break;
 239
 240         case OPTi9XX_HW_82C924:
 241         case OPTi9XX_HW_82C925:
 242                 chip->mc_base = 0xf8c;
 243                 chip->password = 0xe5;
 244                 chip->pwd_reg = 3;
 245                 break;
 246 #else   /* OPTi93X */
 247
 248         case OPTi9XX_HW_82C930:
 249         case OPTi9XX_HW_82C931:
 250         case OPTi9XX_HW_82C933:
 251                 chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
 252                 chip->mc_indir_index = 0xe0e;
 253                 chip->password = 0xe4;
 254                 chip->pwd_reg = 0;
 255                 break;
 256 #endif  /* OPTi93X */
 257
 258         default:
 259                 snd_printk("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("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("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 {
 357         unsigned char wss_base_bits;
 358         unsigned char irq_bits;
 359         unsigned char dma_bits;
 360         unsigned char mpu_port_bits = 0;
 361         unsigned char mpu_irq_bits;
 362
 363         switch (chip->hardware) {
 364 #ifndef OPTi93X
 365         case OPTi9XX_HW_82C924:
 366                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
 367                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
 368
 369         case OPTi9XX_HW_82C925:
 370                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
 371                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
 372                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
 373 #ifdef CS4231
 374                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
 375 #else
 376                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
 377 #endif  /* CS4231 */
 378                 break;
 379
 380         case OPTi9XX_HW_82C928:
 381         case OPTi9XX_HW_82C929:
 382                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
 383                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
 384                 /*
 385                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
 386                 */
 387                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
 388 #ifdef CS4231
 389                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
 390 #else
 391                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
 392 #endif  /* CS4231 */
 393                 break;
 394
 395 #else   /* OPTi93X */
 396         case OPTi9XX_HW_82C931:
 397         case OPTi9XX_HW_82C933:
 398                 /*
 399                  * The BTC 1817DW has QS1000 wavetable which is connected
 400                  * to the serial digital input of the OPTI931.
 401                  */
 402                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
 403                 /*
 404                  * This bit sets OPTI931 to automaticaly select FM
 405                  * or digital input signal.
 406                  */
 407                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
 408         case OPTi9XX_HW_82C930: /* FALL THROUGH */
 409                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
 410                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
 411                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
 412                         (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
 413                         0x34);
 414                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
 415                 break;
 416 #endif  /* OPTi93X */
 417
 418         default:
 419                 snd_printk("chip %d not supported\n", chip->hardware);
 420                 return -EINVAL;
 421         }
 422
 423         switch (chip->wss_base) {
 424         case 0x530:
 425                 wss_base_bits = 0x00;
 426                 break;
 427         case 0x604:
 428                 wss_base_bits = 0x03;
 429                 break;
 430         case 0xe80:
 431                 wss_base_bits = 0x01;
 432                 break;
 433         case 0xf40:
 434                 wss_base_bits = 0x02;
 435                 break;
 436         default:
 437                 snd_printk("WSS port 0x%lx not valid\n", chip->wss_base);
 438                 goto __skip_base;
 439         }
 440         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
 441
 442 __skip_base:
 443         switch (chip->irq) {
 444 //#ifdef OPTi93X
 445         case 5:
 446                 irq_bits = 0x05;
 447                 break;
 448 //#endif        /* OPTi93X */
 449         case 7:
 450                 irq_bits = 0x01;
 451                 break;
 452         case 9:
 453                 irq_bits = 0x02;
 454                 break;
 455         case 10:
 456                 irq_bits = 0x03;
 457                 break;
 458         case 11:
 459                 irq_bits = 0x04;
 460                 break;
 461         default:
 462                 snd_printk("WSS irq # %d not valid\n", chip->irq);
 463                 goto __skip_resources;
 464         }
 465
 466         switch (chip->dma1) {
 467         case 0:
 468                 dma_bits = 0x01;
 469                 break;
 470         case 1:
 471                 dma_bits = 0x02;
 472                 break;
 473         case 3:
 474                 dma_bits = 0x03;
 475                 break;
 476         default:
 477                 snd_printk("WSS dma1 # %d not valid\n", chip->dma1);
 478                 goto __skip_resources;
 479         }
 480
 481 #if defined(CS4231) || defined(OPTi93X)
 482         if (chip->dma1 == chip->dma2) {
 483                 snd_printk("don't want to share dmas\n");
 484                 return -EBUSY;
 485         }
 486
 487         switch (chip->dma2) {
 488         case 0:
 489         case 1:
 490                 break;
 491         default:
 492                 snd_printk("WSS dma2 # %d not valid\n", chip->dma2);
 493                 goto __skip_resources;
 494         }
 495         dma_bits |= 0x04;
 496 #endif  /* CS4231 || OPTi93X */
 497
 498 #ifndef OPTi93X
 499          outb(irq_bits << 3 | dma_bits, chip->wss_base);
 500 #else /* OPTi93X */
 501         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
 502 #endif /* OPTi93X */
 503
 504 __skip_resources:
 505         if (chip->hardware > OPTi9XX_HW_82C928) {
 506                 switch (chip->mpu_port) {
 507                 case 0:
 508                 case -1:
 509                         break;
 510                 case 0x300:
 511                         mpu_port_bits = 0x03;
 512                         break;
 513                 case 0x310:
 514                         mpu_port_bits = 0x02;
 515                         break;
 516                 case 0x320:
 517                         mpu_port_bits = 0x01;
 518                         break;
 519                 case 0x330:
 520                         mpu_port_bits = 0x00;
 521                         break;
 522                 default:
 523                         snd_printk("MPU-401 port 0x%lx not valid\n",
 524                                 chip->mpu_port);
 525                         goto __skip_mpu;
 526                 }
 527
 528                 switch (chip->mpu_irq) {
 529                 case 5:
 530                         mpu_irq_bits = 0x02;
 531                         break;
 532                 case 7:
 533                         mpu_irq_bits = 0x03;
 534                         break;
 535                 case 9:
 536                         mpu_irq_bits = 0x00;
 537                         break;
 538                 case 10:
 539                         mpu_irq_bits = 0x01;
 540                         break;
 541                 default:
 542                         snd_printk("MPU-401 irq # %d not valid\n",
 543                                 chip->mpu_irq);
 544                         goto __skip_mpu;
 545                 }
 546
 547                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
 548                         (chip->mpu_port <= 0) ? 0x00 :
 549                                 0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
 550                         0xf8);
 551         }
 552 __skip_mpu:
 553
 554         return 0;
 555 }
 556
 557 #ifdef OPTi93X
 558
 559 static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
 560 {
 561         struct snd_cs4231 *codec = dev_id;
 562         struct snd_opti9xx *chip = codec->card->private_data;
 563         unsigned char status;
 564
 565         status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
 566         if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
 567                 snd_pcm_period_elapsed(codec->playback_substream);
 568         if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
 569                 snd_cs4231_overrange(codec);
 570                 snd_pcm_period_elapsed(codec->capture_substream);
 571         }
 572         outb(0x00, OPTi93X_PORT(codec, STATUS));
 573         return IRQ_HANDLED;
 574 }
 575
 576 #endif /* OPTi93X */
 577
 578 static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
 579                                              struct snd_opti9xx *chip)
 580 {
 581         int i, err;
 582
 583 #ifndef OPTi93X
 584         for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
 585                 unsigned char value;
 586
 587                 if ((err = snd_opti9xx_init(chip, i)) < 0)
 588                         return err;
 589
 590                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
 591                         continue;
 592
 593                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
 594                 if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
 595                         if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
 596                                 return 1;
 597
 598                 release_and_free_resource(chip->res_mc_base);
 599                 chip->res_mc_base = NULL;
 600
 601         }
 602 #else   /* OPTi93X */
 603         for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
 604                 unsigned long flags;
 605                 unsigned char value;
 606
 607                 if ((err = snd_opti9xx_init(chip, i)) < 0)
 608                         return err;
 609
 610                 if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
 611                         continue;
 612
 613                 spin_lock_irqsave(&chip->lock, flags);
 614                 outb(chip->password, chip->mc_base + chip->pwd_reg);
 615                 outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
 616                         ((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
 617                 spin_unlock_irqrestore(&chip->lock, flags);
 618
 619                 value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
 620                 snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
 621                 if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
 622                         return 1;
 623
 624                 release_and_free_resource(chip->res_mc_base);
 625                 chip->res_mc_base = NULL;
 626         }
 627 #endif  /* OPTi93X */
 628
 629         return -ENODEV;
 630 }
 631
 632 #ifdef CONFIG_PNP
 633 static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
 634                                           struct pnp_card_link *card,
 635                                           const struct pnp_card_device_id *pid)
 636 {
 637         struct pnp_dev *pdev;
 638         int err;
 639
 640         chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
 641         if (chip->dev == NULL)
 642                 return -EBUSY;
 643
 644         chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
 645
 646         pdev = chip->dev;
 647
 648         err = pnp_activate_dev(pdev);
 649         if (err < 0) {
 650                 snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
 651                 return err;
 652         }
 653
 654 #ifdef OPTi93X
 655         port = pnp_port_start(pdev, 0) - 4;
 656         fm_port = pnp_port_start(pdev, 1) + 8;
 657 #else
 658         if (pid->driver_data != 0x0924)
 659                 port = pnp_port_start(pdev, 1);
 660         fm_port = pnp_port_start(pdev, 2) + 8;
 661 #endif  /* OPTi93X */
 662         irq = pnp_irq(pdev, 0);
 663         dma1 = pnp_dma(pdev, 0);
 664 #if defined(CS4231) || defined(OPTi93X)
 665         dma2 = pnp_dma(pdev, 1);
 666 #endif  /* CS4231 || OPTi93X */
 667
 668         pdev = chip->devmpu;
 669         if (pdev && mpu_port > 0) {
 670                 err = pnp_activate_dev(pdev);
 671                 if (err < 0) {
 672                         snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
 673                         mpu_port = -1;
 674                         chip->devmpu = NULL;
 675                 } else {
 676                         mpu_port = pnp_port_start(pdev, 0);
 677                         mpu_irq = pnp_irq(pdev, 0);
 678                 }
 679         }
 680         return pid->driver_data;
 681 }
 682 #endif  /* CONFIG_PNP */
 683
 684 static void snd_card_opti9xx_free(struct snd_card *card)
 685 {
 686         struct snd_opti9xx *chip = card->private_data;
 687
 688         if (chip) {
 689 #ifdef OPTi93X
 690                 struct snd_cs4231 *codec = chip->codec;
 691                 if (codec->irq > 0) {
 692                         disable_irq(codec->irq);
 693                         free_irq(codec->irq, codec);
 694                 }
 695 #endif
 696                 release_and_free_resource(chip->res_mc_base);
 697         }
 698 }
 699
 700 static int __devinit snd_opti9xx_probe(struct snd_card *card)
 701 {
 702         static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
 703         int error;
 704         struct snd_opti9xx *chip = card->private_data;
 705 #if defined(CS4231) || defined(OPTi93X)
 706         struct snd_cs4231 *codec;
 707 #ifdef CS4231
 708         struct snd_timer *timer;
 709 #endif
 710 #else
 711         struct snd_ad1848 *codec;
 712 #endif
 713         struct snd_pcm *pcm;
 714         struct snd_rawmidi *rmidi;
 715         struct snd_hwdep *synth;
 716
 717         if (! chip->res_mc_base &&
 718             (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
 719                                                 "OPTi9xx MC")) == NULL)
 720                 return -ENOMEM;
 721
 722         chip->wss_base = port;
 723         chip->fm_port = fm_port;
 724         chip->mpu_port = mpu_port;
 725         chip->irq = irq;
 726         chip->mpu_irq = mpu_irq;
 727         chip->dma1 = dma1;
 728 #if defined(CS4231) || defined(OPTi93X)
 729         chip->dma2 = dma2;
 730 #endif
 731
 732         if (chip->wss_base == SNDRV_AUTO_PORT) {
 733                 if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
 734                         snd_printk("unable to find a free WSS port\n");
 735                         return -EBUSY;
 736                 }
 737         }
 738         if ((error = snd_opti9xx_configure(chip)))
 739                 return error;
 740
 741 #if defined(CS4231) || defined(OPTi93X)
 742         if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1,
 743                                        chip->irq, chip->dma1, chip->dma2,
 744 #ifdef CS4231
 745                                        CS4231_HW_DETECT, 0,
 746 #else /* OPTi93x */
 747                                        CS4231_HW_OPTI93X, CS4231_HWSHARE_IRQ,
 748 #endif
 749                                        &codec)) < 0)
 750                 return error;
 751 #ifdef OPTi93X
 752         chip->codec = codec;
 753 #endif
 754         if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0)
 755                 return error;
 756         if ((error = snd_cs4231_mixer(codec)) < 0)
 757                 return error;
 758 #ifdef CS4231
 759         if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0)
 760                 return error;
 761 #else /* OPTI93X */
 762         error = request_irq(chip->irq, snd_opti93x_interrupt,
 763                             IRQF_DISABLED, DEV_NAME" - WSS", codec);
 764         if (error < 0) {
 765                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
 766                 return error;
 767         }
 768 #endif
 769 #else
 770         if ((error = snd_ad1848_create(card, chip->wss_base + 4,
 771                                        chip->irq, chip->dma1,
 772                                        AD1848_HW_DETECT, &codec)) < 0)
 773                 return error;
 774         if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0)
 775                 return error;
 776         if ((error = snd_ad1848_mixer(codec)) < 0)
 777                 return error;
 778 #endif
 779         strcpy(card->driver, chip->name);
 780         sprintf(card->shortname, "OPTi %s", card->driver);
 781 #if defined(CS4231) || defined(OPTi93X)
 782         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
 783                 card->shortname, pcm->name, chip->wss_base + 4,
 784                 chip->irq, chip->dma1, chip->dma2);
 785 #else
 786         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
 787                 card->shortname, pcm->name, chip->wss_base + 4,
 788                 chip->irq, chip->dma1);
 789 #endif  /* CS4231 || OPTi93X */
 790
 791         if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
 792                 rmidi = NULL;
 793         else
 794                 if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
 795                                 chip->mpu_port, 0, chip->mpu_irq, IRQF_DISABLED,
 796                                 &rmidi)))
 797                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
 798                                    chip->mpu_port);
 799
 800         if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
 801                 struct snd_opl3 *opl3 = NULL;
 802 #ifndef OPTi93X
 803                 if (chip->hardware == OPTi9XX_HW_82C928 ||
 804                     chip->hardware == OPTi9XX_HW_82C929 ||
 805                     chip->hardware == OPTi9XX_HW_82C924) {
 806                         struct snd_opl4 *opl4;
 807                         /* assume we have an OPL4 */
 808                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
 809                                                0x20, 0x20);
 810                         if (snd_opl4_create(card,
 811                                             chip->fm_port,
 812                                             chip->fm_port - 8,
 813                                             2, &opl3, &opl4) < 0) {
 814                                 /* no luck, use OPL3 instead */
 815                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
 816                                                        0x00, 0x20);
 817                         }
 818                 }
 819 #endif  /* !OPTi93X */
 820                 if (!opl3 && snd_opl3_create(card,
 821                                              chip->fm_port,
 822                                              chip->fm_port + 2,
 823                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
 824                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
 825                                    chip->fm_port, chip->fm_port + 4 - 1);
 826                 }
 827                 if (opl3) {
 828 #ifdef CS4231
 829                         const int t1dev = 1;
 830 #else
 831                         const int t1dev = 0;
 832 #endif
 833                         if ((error = snd_opl3_timer_new(opl3, t1dev, t1dev+1)) < 0)
 834                                 return error;
 835                         if ((error = snd_opl3_hwdep_new(opl3, 0, 1, &synth)) < 0)
 836                                 return error;
 837                 }
 838         }
 839
 840         return snd_card_register(card);
 841 }
 842
 843 static struct snd_card *snd_opti9xx_card_new(void)
 844 {
 845         struct snd_card *card;
 846
 847         card = snd_card_new(index, id, THIS_MODULE, sizeof(struct snd_opti9xx));
 848         if (! card)
 849                 return NULL;
 850         card->private_free = snd_card_opti9xx_free;
 851         return card;
 852 }
 853
 854 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
 855                                            unsigned int dev)
 856 {
 857 #ifdef CONFIG_PNP
 858         if (snd_opti9xx_pnp_is_probed)
 859                 return 0;
 860         if (isapnp)
 861                 return 0;
 862 #endif
 863         return 1;
 864 }
 865
 866 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
 867                                            unsigned int dev)
 868 {
 869         struct snd_card *card;
 870         int error;
 871         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
 872 #ifdef OPTi93X
 873         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
 874 #else
 875         static int possible_irqs[] = {9, 10, 11, 7, -1};
 876 #endif  /* OPTi93X */
 877         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
 878         static int possible_dma1s[] = {3, 1, 0, -1};
 879 #if defined(CS4231) || defined(OPTi93X)
 880         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
 881 #endif  /* CS4231 || OPTi93X */
 882
 883         if (mpu_port == SNDRV_AUTO_PORT) {
 884                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
 885                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
 886                         return -EBUSY;
 887                 }
 888         }
 889         if (irq == SNDRV_AUTO_IRQ) {
 890                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 891                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
 892                         return -EBUSY;
 893                 }
 894         }
 895         if (mpu_irq == SNDRV_AUTO_IRQ) {
 896                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
 897                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
 898                         return -EBUSY;
 899                 }
 900         }
 901         if (dma1 == SNDRV_AUTO_DMA) {
 902                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
 903                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
 904                         return -EBUSY;
 905                 }
 906         }
 907 #if defined(CS4231) || defined(OPTi93X)
 908         if (dma2 == SNDRV_AUTO_DMA) {
 909                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
 910                         snd_printk("unable to find a free DMA2\n");
 911                         return -EBUSY;
 912                 }
 913         }
 914 #endif
 915
 916         card = snd_opti9xx_card_new();
 917         if (! card)
 918                 return -ENOMEM;
 919
 920         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
 921                 snd_card_free(card);
 922                 return error;
 923         }
 924         snd_card_set_dev(card, devptr);
 925         if ((error = snd_opti9xx_probe(card)) < 0) {
 926                 snd_card_free(card);
 927                 return error;
 928         }
 929         dev_set_drvdata(devptr, card);
 930         return 0;
 931 }
 932
 933 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
 934                                             unsigned int dev)
 935 {
 936         snd_card_free(dev_get_drvdata(devptr));
 937         dev_set_drvdata(devptr, NULL);
 938         return 0;
 939 }
 940
 941 static struct isa_driver snd_opti9xx_driver = {
 942         .match          = snd_opti9xx_isa_match,
 943         .probe          = snd_opti9xx_isa_probe,
 944         .remove         = __devexit_p(snd_opti9xx_isa_remove),
 945         /* FIXME: suspend/resume */
 946         .driver         = {
 947                 .name   = DEV_NAME
 948         },
 949 };
 950
 951 #ifdef CONFIG_PNP
 952 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
 953                                            const struct pnp_card_device_id *pid)
 954 {
 955         struct snd_card *card;
 956         int error, hw;
 957         struct snd_opti9xx *chip;
 958
 959         if (snd_opti9xx_pnp_is_probed)
 960                 return -EBUSY;
 961         if (! isapnp)
 962                 return -ENODEV;
 963         card = snd_opti9xx_card_new();
 964         if (! card)
 965                 return -ENOMEM;
 966         chip = card->private_data;
 967
 968         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
 969         switch (hw) {
 970         case 0x0924:
 971                 hw = OPTi9XX_HW_82C924;
 972                 break;
 973         case 0x0925:
 974                 hw = OPTi9XX_HW_82C925;
 975                 break;
 976         case 0x0931:
 977                 hw = OPTi9XX_HW_82C931;
 978                 break;
 979         default:
 980                 snd_card_free(card);
 981                 return -ENODEV;
 982         }
 983
 984         if ((error = snd_opti9xx_init(chip, hw))) {
 985                 snd_card_free(card);
 986                 return error;
 987         }
 988         if (hw <= OPTi9XX_HW_82C930)
 989                 chip->mc_base -= 0x80;
 990         snd_card_set_dev(card, &pcard->card->dev);
 991         if ((error = snd_opti9xx_probe(card)) < 0) {
 992                 snd_card_free(card);
 993                 return error;
 994         }
 995         pnp_set_card_drvdata(pcard, card);
 996         snd_opti9xx_pnp_is_probed = 1;
 997         return 0;
 998 }
 999
1000 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
1001 {
1002         snd_card_free(pnp_get_card_drvdata(pcard));
1003         pnp_set_card_drvdata(pcard, NULL);
1004         snd_opti9xx_pnp_is_probed = 0;
1005 }
1006
1007 static struct pnp_card_driver opti9xx_pnpc_driver = {
1008         .flags          = PNP_DRIVER_RES_DISABLE,
1009         .name           = "opti9xx",
1010         .id_table       = snd_opti9xx_pnpids,
1011         .probe          = snd_opti9xx_pnp_probe,
1012         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
1013 };
1014 #endif
1015
1016 #ifdef OPTi93X
1017 #define CHIP_NAME       "82C93x"
1018 #else
1019 #define CHIP_NAME       "82C92x"
1020 #endif
1021
1022 static int __init alsa_card_opti9xx_init(void)
1023 {
1024 #ifdef CONFIG_PNP
1025         pnp_register_card_driver(&opti9xx_pnpc_driver);
1026         if (snd_opti9xx_pnp_is_probed)
1027                 return 0;
1028         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1029 #endif
1030         return isa_register_driver(&snd_opti9xx_driver, 1);
1031 }
1032
1033 static void __exit alsa_card_opti9xx_exit(void)
1034 {
1035         if (!snd_opti9xx_pnp_is_probed) {
1036                 isa_unregister_driver(&snd_opti9xx_driver);
1037                 return;
1038         }
1039 #ifdef CONFIG_PNP
1040         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1041 #endif
1042 }
1043
1044 module_init(alsa_card_opti9xx_init)
1045 module_exit(alsa_card_opti9xx_exit)