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   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(KERN_ERR "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(KERN_ERR "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(KERN_ERR "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(KERN_ERR "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(KERN_WARNING "WSS port 0x%lx not valid\n",
 434                            chip->wss_base);
 435                 goto __skip_base;
 436         }
 437         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
 438
 439 __skip_base:
 440         switch (chip->irq) {
 441 //#ifdef OPTi93X
 442         case 5:
 443                 irq_bits = 0x05;
 444                 break;
 445 //#endif        /* OPTi93X */
 446         case 7:
 447                 irq_bits = 0x01;
 448                 break;
 449         case 9:
 450                 irq_bits = 0x02;
 451                 break;
 452         case 10:
 453                 irq_bits = 0x03;
 454                 break;
 455         case 11:
 456                 irq_bits = 0x04;
 457                 break;
 458         default:
 459                 snd_printk(KERN_WARNING "WSS irq # %d not valid\n", chip->irq);
 460                 goto __skip_resources;
 461         }
 462
 463         switch (chip->dma1) {
 464         case 0:
 465                 dma_bits = 0x01;
 466                 break;
 467         case 1:
 468                 dma_bits = 0x02;
 469                 break;
 470         case 3:
 471                 dma_bits = 0x03;
 472                 break;
 473         default:
 474                 snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n",
 475                            chip->dma1);
 476                 goto __skip_resources;
 477         }
 478
 479 #if defined(CS4231) || defined(OPTi93X)
 480         if (chip->dma1 == chip->dma2) {
 481                 snd_printk(KERN_ERR "don't want to share dmas\n");
 482                 return -EBUSY;
 483         }
 484
 485         switch (chip->dma2) {
 486         case 0:
 487         case 1:
 488                 break;
 489         default:
 490                 snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n",
 491                            chip->dma2);
 492                 goto __skip_resources;
 493         }
 494         dma_bits |= 0x04;
 495 #endif  /* CS4231 || OPTi93X */
 496
 497 #ifndef OPTi93X
 498          outb(irq_bits << 3 | dma_bits, chip->wss_base);
 499 #else /* OPTi93X */
 500         snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
 501 #endif /* OPTi93X */
 502
 503 __skip_resources:
 504         if (chip->hardware > OPTi9XX_HW_82C928) {
 505                 switch (chip->mpu_port) {
 506                 case 0:
 507                 case -1:
 508                         break;
 509                 case 0x300:
 510                         mpu_port_bits = 0x03;
 511                         break;
 512                 case 0x310:
 513                         mpu_port_bits = 0x02;
 514                         break;
 515                 case 0x320:
 516                         mpu_port_bits = 0x01;
 517                         break;
 518                 case 0x330:
 519                         mpu_port_bits = 0x00;
 520                         break;
 521                 default:
 522                         snd_printk(KERN_WARNING
 523                                    "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(KERN_WARNING "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_wss *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_wss_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_wss *codec = chip->codec;
 691                 if (codec && 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         struct snd_wss *codec;
 706 #ifdef CS4231
 707         struct snd_timer *timer;
 708 #endif
 709         struct snd_pcm *pcm;
 710         struct snd_rawmidi *rmidi;
 711         struct snd_hwdep *synth;
 712
 713         if (! chip->res_mc_base &&
 714             (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
 715                                                 "OPTi9xx MC")) == NULL)
 716                 return -ENOMEM;
 717
 718         chip->wss_base = port;
 719         chip->fm_port = fm_port;
 720         chip->mpu_port = mpu_port;
 721         chip->irq = irq;
 722         chip->mpu_irq = mpu_irq;
 723         chip->dma1 = dma1;
 724 #if defined(CS4231) || defined(OPTi93X)
 725         chip->dma2 = dma2;
 726 #else
 727         chip->dma2 = -1;
 728 #endif
 729
 730         if (chip->wss_base == SNDRV_AUTO_PORT) {
 731                 chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4);
 732                 if (chip->wss_base < 0) {
 733                         snd_printk(KERN_ERR "unable to find a free WSS port\n");
 734                         return -EBUSY;
 735                 }
 736         }
 737         error = snd_opti9xx_configure(chip);
 738         if (error)
 739                 return error;
 740
 741         error = snd_wss_create(card, chip->wss_base + 4, -1,
 742                                chip->irq, chip->dma1, chip->dma2,
 743 #ifdef OPTi93X
 744                                WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
 745 #else
 746                                WSS_HW_DETECT, 0,
 747 #endif
 748                                &codec);
 749         if (error < 0)
 750                 return error;
 751 #ifdef OPTi93X
 752         chip->codec = codec;
 753 #endif
 754         error = snd_wss_pcm(codec, 0, &pcm);
 755         if (error < 0)
 756                 return error;
 757         error = snd_wss_mixer(codec);
 758         if (error < 0)
 759                 return error;
 760 #ifdef CS4231
 761         error = snd_wss_timer(codec, 0, &timer);
 762         if (error < 0)
 763                 return error;
 764 #endif
 765 #ifdef OPTi93X
 766         error = request_irq(chip->irq, snd_opti93x_interrupt,
 767                             IRQF_DISABLED, DEV_NAME" - WSS", codec);
 768         if (error < 0) {
 769                 snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq);
 770                 return error;
 771         }
 772 #endif
 773         strcpy(card->driver, chip->name);
 774         sprintf(card->shortname, "OPTi %s", card->driver);
 775 #if defined(CS4231) || defined(OPTi93X)
 776         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
 777                 card->shortname, pcm->name, chip->wss_base + 4,
 778                 chip->irq, chip->dma1, chip->dma2);
 779 #else
 780         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
 781                 card->shortname, pcm->name, chip->wss_base + 4,
 782                 chip->irq, chip->dma1);
 783 #endif  /* CS4231 || OPTi93X */
 784
 785         if (chip->mpu_port <= 0 || chip->mpu_port == SNDRV_AUTO_PORT)
 786                 rmidi = NULL;
 787         else
 788                 if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
 789                                 chip->mpu_port, 0, chip->mpu_irq, IRQF_DISABLED,
 790                                 &rmidi)))
 791                         snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
 792                                    chip->mpu_port);
 793
 794         if (chip->fm_port > 0 && chip->fm_port != SNDRV_AUTO_PORT) {
 795                 struct snd_opl3 *opl3 = NULL;
 796 #ifndef OPTi93X
 797                 if (chip->hardware == OPTi9XX_HW_82C928 ||
 798                     chip->hardware == OPTi9XX_HW_82C929 ||
 799                     chip->hardware == OPTi9XX_HW_82C924) {
 800                         struct snd_opl4 *opl4;
 801                         /* assume we have an OPL4 */
 802                         snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
 803                                                0x20, 0x20);
 804                         if (snd_opl4_create(card,
 805                                             chip->fm_port,
 806                                             chip->fm_port - 8,
 807                                             2, &opl3, &opl4) < 0) {
 808                                 /* no luck, use OPL3 instead */
 809                                 snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
 810                                                        0x00, 0x20);
 811                         }
 812                 }
 813 #endif  /* !OPTi93X */
 814                 if (!opl3 && snd_opl3_create(card,
 815                                              chip->fm_port,
 816                                              chip->fm_port + 2,
 817                                              OPL3_HW_AUTO, 0, &opl3) < 0) {
 818                         snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
 819                                    chip->fm_port, chip->fm_port + 4 - 1);
 820                 }
 821                 if (opl3) {
 822                         error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
 823                         if (error < 0)
 824                                 return error;
 825                 }
 826         }
 827
 828         return snd_card_register(card);
 829 }
 830
 831 static int snd_opti9xx_card_new(struct snd_card **cardp)
 832 {
 833         struct snd_card *card;
 834         int err;
 835
 836         err = snd_card_create(index, id, THIS_MODULE,
 837                               sizeof(struct snd_opti9xx), &card);
 838         if (err < 0)
 839                 return err;
 840         card->private_free = snd_card_opti9xx_free;
 841         *cardp = card;
 842         return 0;
 843 }
 844
 845 static int __devinit snd_opti9xx_isa_match(struct device *devptr,
 846                                            unsigned int dev)
 847 {
 848 #ifdef CONFIG_PNP
 849         if (snd_opti9xx_pnp_is_probed)
 850                 return 0;
 851         if (isapnp)
 852                 return 0;
 853 #endif
 854         return 1;
 855 }
 856
 857 static int __devinit snd_opti9xx_isa_probe(struct device *devptr,
 858                                            unsigned int dev)
 859 {
 860         struct snd_card *card;
 861         int error;
 862         static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
 863 #ifdef OPTi93X
 864         static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
 865 #else
 866         static int possible_irqs[] = {9, 10, 11, 7, -1};
 867 #endif  /* OPTi93X */
 868         static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
 869         static int possible_dma1s[] = {3, 1, 0, -1};
 870 #if defined(CS4231) || defined(OPTi93X)
 871         static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
 872 #endif  /* CS4231 || OPTi93X */
 873
 874         if (mpu_port == SNDRV_AUTO_PORT) {
 875                 if ((mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
 876                         snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
 877                         return -EBUSY;
 878                 }
 879         }
 880         if (irq == SNDRV_AUTO_IRQ) {
 881                 if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 882                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
 883                         return -EBUSY;
 884                 }
 885         }
 886         if (mpu_irq == SNDRV_AUTO_IRQ) {
 887                 if ((mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
 888                         snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
 889                         return -EBUSY;
 890                 }
 891         }
 892         if (dma1 == SNDRV_AUTO_DMA) {
 893                 if ((dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
 894                         snd_printk(KERN_ERR "unable to find a free DMA1\n");
 895                         return -EBUSY;
 896                 }
 897         }
 898 #if defined(CS4231) || defined(OPTi93X)
 899         if (dma2 == SNDRV_AUTO_DMA) {
 900                 if ((dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4])) < 0) {
 901                         snd_printk(KERN_ERR "unable to find a free DMA2\n");
 902                         return -EBUSY;
 903                 }
 904         }
 905 #endif
 906
 907         error = snd_opti9xx_card_new(&card);
 908         if (error < 0)
 909                 return error;
 910
 911         if ((error = snd_card_opti9xx_detect(card, card->private_data)) < 0) {
 912                 snd_card_free(card);
 913                 return error;
 914         }
 915         snd_card_set_dev(card, devptr);
 916         if ((error = snd_opti9xx_probe(card)) < 0) {
 917                 snd_card_free(card);
 918                 return error;
 919         }
 920         dev_set_drvdata(devptr, card);
 921         return 0;
 922 }
 923
 924 static int __devexit snd_opti9xx_isa_remove(struct device *devptr,
 925                                             unsigned int dev)
 926 {
 927         snd_card_free(dev_get_drvdata(devptr));
 928         dev_set_drvdata(devptr, NULL);
 929         return 0;
 930 }
 931
 932 static struct isa_driver snd_opti9xx_driver = {
 933         .match          = snd_opti9xx_isa_match,
 934         .probe          = snd_opti9xx_isa_probe,
 935         .remove         = __devexit_p(snd_opti9xx_isa_remove),
 936         /* FIXME: suspend/resume */
 937         .driver         = {
 938                 .name   = DEV_NAME
 939         },
 940 };
 941
 942 #ifdef CONFIG_PNP
 943 static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
 944                                            const struct pnp_card_device_id *pid)
 945 {
 946         struct snd_card *card;
 947         int error, hw;
 948         struct snd_opti9xx *chip;
 949
 950         if (snd_opti9xx_pnp_is_probed)
 951                 return -EBUSY;
 952         if (! isapnp)
 953                 return -ENODEV;
 954         error = snd_opti9xx_card_new(&card);
 955         if (error < 0)
 956                 return error;
 957         chip = card->private_data;
 958
 959         hw = snd_card_opti9xx_pnp(chip, pcard, pid);
 960         switch (hw) {
 961         case 0x0924:
 962                 hw = OPTi9XX_HW_82C924;
 963                 break;
 964         case 0x0925:
 965                 hw = OPTi9XX_HW_82C925;
 966                 break;
 967         case 0x0931:
 968                 hw = OPTi9XX_HW_82C931;
 969                 break;
 970         default:
 971                 snd_card_free(card);
 972                 return -ENODEV;
 973         }
 974
 975         if ((error = snd_opti9xx_init(chip, hw))) {
 976                 snd_card_free(card);
 977                 return error;
 978         }
 979         if (hw <= OPTi9XX_HW_82C930)
 980                 chip->mc_base -= 0x80;
 981         snd_card_set_dev(card, &pcard->card->dev);
 982         if ((error = snd_opti9xx_probe(card)) < 0) {
 983                 snd_card_free(card);
 984                 return error;
 985         }
 986         pnp_set_card_drvdata(pcard, card);
 987         snd_opti9xx_pnp_is_probed = 1;
 988         return 0;
 989 }
 990
 991 static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard)
 992 {
 993         snd_card_free(pnp_get_card_drvdata(pcard));
 994         pnp_set_card_drvdata(pcard, NULL);
 995         snd_opti9xx_pnp_is_probed = 0;
 996 }
 997
 998 static struct pnp_card_driver opti9xx_pnpc_driver = {
 999         .flags          = PNP_DRIVER_RES_DISABLE,
1000         .name           = "opti9xx",
1001         .id_table       = snd_opti9xx_pnpids,
1002         .probe          = snd_opti9xx_pnp_probe,
1003         .remove         = __devexit_p(snd_opti9xx_pnp_remove),
1004 };
1005 #endif
1006
1007 #ifdef OPTi93X
1008 #define CHIP_NAME       "82C93x"
1009 #else
1010 #define CHIP_NAME       "82C92x"
1011 #endif
1012
1013 static int __init alsa_card_opti9xx_init(void)
1014 {
1015 #ifdef CONFIG_PNP
1016         pnp_register_card_driver(&opti9xx_pnpc_driver);
1017         if (snd_opti9xx_pnp_is_probed)
1018                 return 0;
1019         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1020 #endif
1021         return isa_register_driver(&snd_opti9xx_driver, 1);
1022 }
1023
1024 static void __exit alsa_card_opti9xx_exit(void)
1025 {
1026         if (!snd_opti9xx_pnp_is_probed) {
1027                 isa_unregister_driver(&snd_opti9xx_driver);
1028                 return;
1029         }
1030 #ifdef CONFIG_PNP
1031         pnp_unregister_card_driver(&opti9xx_pnpc_driver);
1032 #endif
1033 }
1034
1035 module_init(alsa_card_opti9xx_init)
1036 module_exit(alsa_card_opti9xx_exit)