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