drivers/sound/sb_mixer.c

   1 /*
   2  * sound/sb_mixer.c
   3  *
   4  * The low level mixer driver for the Sound Blaster compatible cards.
   5  */
   6 /*
   7  * Copyright (C) by Hannu Savolainen 1993-1997
   8  *
   9  * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
  10  * Version 2 (June 1991). See the "COPYING" file distributed with this software
  11  * for more info.
  12  *
  13  *
  14  * Thomas Sailer                                : ioctl code reworked (vmalloc/vfree removed)
  15  * Rolf Fokkens (Dec 20 1998)   : Moved ESS stuff into sb_ess.[ch]
  16  * Stanislav Voronyi <stas@esc.kharkov.com>     : Support for AWE 3DSE device (Jun 7 1999)
  17  */
  18
  19 #include "sound_config.h"
  20
  21 #define __SB_MIXER_C__
  22
  23 #include "sb.h"
  24 #include "sb_mixer.h"
  25
  26 #include "sb_ess.h"
  27
  28 #define SBPRO_RECORDING_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
  29
  30 /* Same as SB Pro, unless I find otherwise */
  31 #define SGNXPRO_RECORDING_DEVICES SBPRO_RECORDING_DEVICES
  32
  33 #define SBPRO_MIXER_DEVICES             (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  34                                          SOUND_MASK_CD | SOUND_MASK_VOLUME)
  35
  36 /* SG NX Pro has treble and bass settings on the mixer. The 'speaker'
  37  * channel is the COVOX/DisneySoundSource emulation volume control
  38  * on the mixer. It does NOT control speaker volume. Should have own
  39  * mask eventually?
  40  */
  41 #define SGNXPRO_MIXER_DEVICES   (SBPRO_MIXER_DEVICES|SOUND_MASK_BASS| \
  42                                  SOUND_MASK_TREBLE|SOUND_MASK_SPEAKER )
  43
  44 #define SB16_RECORDING_DEVICES          (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  45                                          SOUND_MASK_CD)
  46
  47 #define SB16_OUTFILTER_DEVICES          (SOUND_MASK_LINE | SOUND_MASK_MIC | \
  48                                          SOUND_MASK_CD)
  49
  50 #define SB16_MIXER_DEVICES              (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  51                                          SOUND_MASK_CD | \
  52                                          SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | \
  53                                          SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | \
  54                                         SOUND_MASK_IMIX)
  55
  56 /* These are the only devices that are working at the moment.  Others could
  57  * be added once they are identified and a method is found to control them.
  58  */
  59 #define ALS007_MIXER_DEVICES    (SOUND_MASK_SYNTH | SOUND_MASK_LINE | \
  60                                  SOUND_MASK_PCM | SOUND_MASK_MIC | \
  61                                  SOUND_MASK_CD | \
  62                                  SOUND_MASK_VOLUME)
  63
  64 static mixer_tab sbpro_mix = {
  65 MIX_ENT(SOUND_MIXER_VOLUME,     0x22, 7, 4, 0x22, 3, 4),
  66 MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
  67 MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
  68 MIX_ENT(SOUND_MIXER_SYNTH,      0x26, 7, 4, 0x26, 3, 4),
  69 MIX_ENT(SOUND_MIXER_PCM,        0x04, 7, 4, 0x04, 3, 4),
  70 MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
  71 MIX_ENT(SOUND_MIXER_LINE,       0x2e, 7, 4, 0x2e, 3, 4),
  72 MIX_ENT(SOUND_MIXER_MIC,        0x0a, 2, 3, 0x00, 0, 0),
  73 MIX_ENT(SOUND_MIXER_CD,         0x28, 7, 4, 0x28, 3, 4),
  74 MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
  75 MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
  76 MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0)
  77 };
  78
  79 static mixer_tab sb16_mix = {
  80 MIX_ENT(SOUND_MIXER_VOLUME,     0x30, 7, 5, 0x31, 7, 5),
  81 MIX_ENT(SOUND_MIXER_BASS,       0x46, 7, 4, 0x47, 7, 4),
  82 MIX_ENT(SOUND_MIXER_TREBLE,     0x44, 7, 4, 0x45, 7, 4),
  83 MIX_ENT(SOUND_MIXER_SYNTH,      0x34, 7, 5, 0x35, 7, 5),
  84 MIX_ENT(SOUND_MIXER_PCM,        0x32, 7, 5, 0x33, 7, 5),
  85 MIX_ENT(SOUND_MIXER_SPEAKER,    0x3b, 7, 2, 0x00, 0, 0),
  86 MIX_ENT(SOUND_MIXER_LINE,       0x38, 7, 5, 0x39, 7, 5),
  87 MIX_ENT(SOUND_MIXER_MIC,        0x3a, 7, 5, 0x00, 0, 0),
  88 MIX_ENT(SOUND_MIXER_CD,         0x36, 7, 5, 0x37, 7, 5),
  89 MIX_ENT(SOUND_MIXER_IMIX,       0x3c, 0, 1, 0x00, 0, 0),
  90 MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
  91 MIX_ENT(SOUND_MIXER_RECLEV,     0x3f, 7, 2, 0x40, 7, 2), /* Obsolete. Use IGAIN */
  92 MIX_ENT(SOUND_MIXER_IGAIN,      0x3f, 7, 2, 0x40, 7, 2),
  93 MIX_ENT(SOUND_MIXER_OGAIN,      0x41, 7, 2, 0x42, 7, 2)
  94 };
  95
  96 static mixer_tab als007_mix =
  97 {
  98 MIX_ENT(SOUND_MIXER_VOLUME,     0x62, 7, 4, 0x62, 3, 4),
  99 MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
 100 MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
 101 MIX_ENT(SOUND_MIXER_SYNTH,      0x66, 7, 4, 0x66, 3, 4),
 102 MIX_ENT(SOUND_MIXER_PCM,        0x64, 7, 4, 0x64, 3, 4),
 103 MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
 104 MIX_ENT(SOUND_MIXER_LINE,       0x6e, 7, 4, 0x6e, 3, 4),
 105 MIX_ENT(SOUND_MIXER_MIC,        0x6a, 2, 3, 0x00, 0, 0),
 106 MIX_ENT(SOUND_MIXER_CD,         0x68, 7, 4, 0x68, 3, 4),
 107 MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
 108 MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
 109 MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0), /* Obsolete. Use IGAIN */
 110 MIX_ENT(SOUND_MIXER_IGAIN,      0x00, 0, 0, 0x00, 0, 0),
 111 MIX_ENT(SOUND_MIXER_OGAIN,      0x00, 0, 0, 0x00, 0, 0)
 112 };
 113
 114
 115 /* SM_GAMES          Master volume is lower and PCM & FM volumes
 116                              higher than with SB Pro. This improves the
 117                              sound quality */
 118
 119 static int smg_default_levels[32] =
 120 {
 121   0x2020,                       /* Master Volume */
 122   0x4b4b,                       /* Bass */
 123   0x4b4b,                       /* Treble */
 124   0x6464,                       /* FM */
 125   0x6464,                       /* PCM */
 126   0x4b4b,                       /* PC Speaker */
 127   0x4b4b,                       /* Ext Line */
 128   0x0000,                       /* Mic */
 129   0x4b4b,                       /* CD */
 130   0x4b4b,                       /* Recording monitor */
 131   0x4b4b,                       /* SB PCM */
 132   0x4b4b,                       /* Recording level */
 133   0x4b4b,                       /* Input gain */
 134   0x4b4b,                       /* Output gain */
 135   0x4040,                       /* Line1 */
 136   0x4040,                       /* Line2 */
 137   0x1515                        /* Line3 */
 138 };
 139
 140 static int sb_default_levels[32] =
 141 {
 142   0x5a5a,                       /* Master Volume */
 143   0x4b4b,                       /* Bass */
 144   0x4b4b,                       /* Treble */
 145   0x4b4b,                       /* FM */
 146   0x4b4b,                       /* PCM */
 147   0x4b4b,                       /* PC Speaker */
 148   0x4b4b,                       /* Ext Line */
 149   0x1010,                       /* Mic */
 150   0x4b4b,                       /* CD */
 151   0x0000,                       /* Recording monitor */
 152   0x4b4b,                       /* SB PCM */
 153   0x4b4b,                       /* Recording level */
 154   0x4b4b,                       /* Input gain */
 155   0x4b4b,                       /* Output gain */
 156   0x4040,                       /* Line1 */
 157   0x4040,                       /* Line2 */
 158   0x1515                        /* Line3 */
 159 };
 160
 161 static unsigned char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] =
 162 {
 163         0x00,   /* SOUND_MIXER_VOLUME   */
 164         0x00,   /* SOUND_MIXER_BASS     */
 165         0x00,   /* SOUND_MIXER_TREBLE   */
 166         0x40,   /* SOUND_MIXER_SYNTH    */
 167         0x00,   /* SOUND_MIXER_PCM      */
 168         0x00,   /* SOUND_MIXER_SPEAKER  */
 169         0x10,   /* SOUND_MIXER_LINE     */
 170         0x01,   /* SOUND_MIXER_MIC      */
 171         0x04,   /* SOUND_MIXER_CD       */
 172         0x00,   /* SOUND_MIXER_IMIX     */
 173         0x00,   /* SOUND_MIXER_ALTPCM   */
 174         0x00,   /* SOUND_MIXER_RECLEV   */
 175         0x00,   /* SOUND_MIXER_IGAIN    */
 176         0x00    /* SOUND_MIXER_OGAIN    */
 177 };
 178
 179 static unsigned char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] =
 180 {
 181         0x00,   /* SOUND_MIXER_VOLUME   */
 182         0x00,   /* SOUND_MIXER_BASS     */
 183         0x00,   /* SOUND_MIXER_TREBLE   */
 184         0x20,   /* SOUND_MIXER_SYNTH    */
 185         0x00,   /* SOUND_MIXER_PCM      */
 186         0x00,   /* SOUND_MIXER_SPEAKER  */
 187         0x08,   /* SOUND_MIXER_LINE     */
 188         0x01,   /* SOUND_MIXER_MIC      */
 189         0x02,   /* SOUND_MIXER_CD       */
 190         0x00,   /* SOUND_MIXER_IMIX     */
 191         0x00,   /* SOUND_MIXER_ALTPCM   */
 192         0x00,   /* SOUND_MIXER_RECLEV   */
 193         0x00,   /* SOUND_MIXER_IGAIN    */
 194         0x00    /* SOUND_MIXER_OGAIN    */
 195 };
 196
 197 static char     smw_mix_regs[] =        /* Left mixer registers */
 198 {
 199   0x0b,                         /* SOUND_MIXER_VOLUME */
 200   0x0d,                         /* SOUND_MIXER_BASS */
 201   0x0d,                         /* SOUND_MIXER_TREBLE */
 202   0x05,                         /* SOUND_MIXER_SYNTH */
 203   0x09,                         /* SOUND_MIXER_PCM */
 204   0x00,                         /* SOUND_MIXER_SPEAKER */
 205   0x03,                         /* SOUND_MIXER_LINE */
 206   0x01,                         /* SOUND_MIXER_MIC */
 207   0x07,                         /* SOUND_MIXER_CD */
 208   0x00,                         /* SOUND_MIXER_IMIX */
 209   0x00,                         /* SOUND_MIXER_ALTPCM */
 210   0x00,                         /* SOUND_MIXER_RECLEV */
 211   0x00,                         /* SOUND_MIXER_IGAIN */
 212   0x00,                         /* SOUND_MIXER_OGAIN */
 213   0x00,                         /* SOUND_MIXER_LINE1 */
 214   0x00,                         /* SOUND_MIXER_LINE2 */
 215   0x00                          /* SOUND_MIXER_LINE3 */
 216 };
 217
 218 static int      sbmixnum = 1;
 219
 220 static void     sb_mixer_reset(sb_devc * devc);
 221
 222 void sb_mixer_set_stereo(sb_devc * devc, int mode)
 223 {
 224         sb_chgmixer(devc, OUT_FILTER, STEREO_DAC, (mode ? STEREO_DAC : MONO_DAC));
 225 }
 226
 227 static int detect_mixer(sb_devc * devc)
 228 {
 229         /* Just trust the mixer is there */
 230         return 1;
 231 }
 232
 233 static void change_bits(sb_devc * devc, unsigned char *regval, int dev, int chn, int newval)
 234 {
 235         unsigned char mask;
 236         int shift;
 237
 238         mask = (1 << (*devc->iomap)[dev][chn].nbits) - 1;
 239         newval = (int) ((newval * mask) + 50) / 100;    /* Scale */
 240
 241         shift = (*devc->iomap)[dev][chn].bitoffs - (*devc->iomap)[dev][LEFT_CHN].nbits + 1;
 242
 243         *regval &= ~(mask << shift);    /* Mask out previous value */
 244         *regval |= (newval & mask) << shift;    /* Set the new value */
 245 }
 246
 247 static int sb_mixer_get(sb_devc * devc, int dev)
 248 {
 249         if (!((1 << dev) & devc->supported_devices))
 250                 return -EINVAL;
 251         return devc->levels[dev];
 252 }
 253
 254 void smw_mixer_init(sb_devc * devc)
 255 {
 256         int i;
 257
 258         sb_setmixer(devc, 0x00, 0x18);  /* Mute unused (Telephone) line */
 259         sb_setmixer(devc, 0x10, 0x38);  /* Config register 2 */
 260
 261         devc->supported_devices = 0;
 262         for (i = 0; i < sizeof(smw_mix_regs); i++)
 263                 if (smw_mix_regs[i] != 0)
 264                         devc->supported_devices |= (1 << i);
 265
 266         devc->supported_rec_devices = devc->supported_devices &
 267                 ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_PCM | SOUND_MASK_VOLUME);
 268         sb_mixer_reset(devc);
 269 }
 270
 271 int sb_common_mixer_set(sb_devc * devc, int dev, int left, int right)
 272 {
 273         int regoffs;
 274         unsigned char val;
 275
 276         regoffs = (*devc->iomap)[dev][LEFT_CHN].regno;
 277
 278         if (regoffs == 0)
 279                 return -EINVAL;
 280
 281         val = sb_getmixer(devc, regoffs);
 282         change_bits(devc, &val, dev, LEFT_CHN, left);
 283
 284         if ((*devc->iomap)[dev][RIGHT_CHN].regno != regoffs)    /*
 285                                                                  * Change register
 286                                                                  */
 287         {
 288                 sb_setmixer(devc, regoffs, val);        /*
 289                                                          * Save the old one
 290                                                          */
 291                 regoffs = (*devc->iomap)[dev][RIGHT_CHN].regno;
 292
 293                 if (regoffs == 0)
 294                         return left | (left << 8);      /*
 295                                                          * Just left channel present
 296                                                          */
 297
 298                 val = sb_getmixer(devc, regoffs);       /*
 299                                                          * Read the new one
 300                                                          */
 301         }
 302         change_bits(devc, &val, dev, RIGHT_CHN, right);
 303
 304         sb_setmixer(devc, regoffs, val);
 305
 306         return left | (right << 8);
 307 }
 308
 309 static int smw_mixer_set(sb_devc * devc, int dev, int left, int right)
 310 {
 311         int reg, val;
 312
 313         switch (dev)
 314         {
 315                 case SOUND_MIXER_VOLUME:
 316                         sb_setmixer(devc, 0x0b, 96 - (96 * left / 100));        /* 96=mute, 0=max */
 317                         sb_setmixer(devc, 0x0c, 96 - (96 * right / 100));
 318                         break;
 319
 320                 case SOUND_MIXER_BASS:
 321                 case SOUND_MIXER_TREBLE:
 322                         devc->levels[dev] = left | (right << 8);
 323                         /* Set left bass and treble values */
 324                         val = ((devc->levels[SOUND_MIXER_TREBLE] & 0xff) * 16 / (unsigned) 100) << 4;
 325                         val |= ((devc->levels[SOUND_MIXER_BASS] & 0xff) * 16 / (unsigned) 100) & 0x0f;
 326                         sb_setmixer(devc, 0x0d, val);
 327
 328                         /* Set right bass and treble values */
 329                         val = (((devc->levels[SOUND_MIXER_TREBLE] >> 8) & 0xff) * 16 / (unsigned) 100) << 4;
 330                         val |= (((devc->levels[SOUND_MIXER_BASS] >> 8) & 0xff) * 16 / (unsigned) 100) & 0x0f;
 331                         sb_setmixer(devc, 0x0e, val);
 332
 333                         break;
 334
 335                 default:
 336                         reg = smw_mix_regs[dev];
 337                         if (reg == 0)
 338                                 return -EINVAL;
 339                         sb_setmixer(devc, reg, (24 - (24 * left / 100)) | 0x20);        /* 24=mute, 0=max */
 340                         sb_setmixer(devc, reg + 1, (24 - (24 * right / 100)) | 0x40);
 341         }
 342
 343         devc->levels[dev] = left | (right << 8);
 344         return left | (right << 8);
 345 }
 346
 347 static int sb_mixer_set(sb_devc * devc, int dev, int value)
 348 {
 349         int left = value & 0x000000ff;
 350         int right = (value & 0x0000ff00) >> 8;
 351         int retval;
 352
 353         if (left > 100)
 354                 left = 100;
 355         if (right > 100)
 356                 right = 100;
 357
 358         if (dev > 31)
 359                 return -EINVAL;
 360
 361         if (!(devc->supported_devices & (1 << dev)))    /*
 362                                                          * Not supported
 363                                                          */
 364                 return -EINVAL;
 365
 366         /* Differentiate depending on the chipsets */
 367         switch (devc->model) {
 368         case MDL_SMW:
 369                 retval = smw_mixer_set(devc, dev, left, right);
 370                 break;
 371         case MDL_ESS:
 372                 retval = ess_mixer_set(devc, dev, left, right);
 373                 break;
 374         default:
 375                 retval = sb_common_mixer_set(devc, dev, left, right);
 376         }
 377         if (retval >= 0) devc->levels[dev] = retval;
 378
 379         return retval;
 380 }
 381
 382 /*
 383  * set_recsrc doesn't apply to ES188x
 384  */
 385 static void set_recsrc(sb_devc * devc, int src)
 386 {
 387         sb_setmixer(devc, RECORD_SRC, (sb_getmixer(devc, RECORD_SRC) & ~7) | (src & 0x7));
 388 }
 389
 390 static int set_recmask(sb_devc * devc, int mask)
 391 {
 392         int devmask, i;
 393         unsigned char  regimageL, regimageR;
 394
 395         devmask = mask & devc->supported_rec_devices;
 396
 397         switch (devc->model)
 398         {
 399                 case MDL_SBPRO:
 400                 case MDL_ESS:
 401                 case MDL_JAZZ:
 402                 case MDL_SMW:
 403                         if (devc->model == MDL_ESS && ess_set_recmask (devc, &devmask)) {
 404                                 break;
 405                         };
 406                         if (devmask != SOUND_MASK_MIC &&
 407                                 devmask != SOUND_MASK_LINE &&
 408                                 devmask != SOUND_MASK_CD)
 409                         {
 410                                 /*
 411                                  * More than one device selected. Drop the
 412                                  * previous selection
 413                                  */
 414                                 devmask &= ~devc->recmask;
 415                         }
 416                         if (devmask != SOUND_MASK_MIC &&
 417                                 devmask != SOUND_MASK_LINE &&
 418                                 devmask != SOUND_MASK_CD)
 419                         {
 420                                 /*
 421                                  * More than one device selected. Default to
 422                                  * mic
 423                                  */
 424                                 devmask = SOUND_MASK_MIC;
 425                         }
 426                         if (devmask ^ devc->recmask)    /*
 427                                                          *      Input source changed
 428                                                          */
 429                         {
 430                                 switch (devmask)
 431                                 {
 432                                         case SOUND_MASK_MIC:
 433                                                 set_recsrc(devc, SRC__MIC);
 434                                                 break;
 435
 436                                         case SOUND_MASK_LINE:
 437                                                 set_recsrc(devc, SRC__LINE);
 438                                                 break;
 439
 440                                         case SOUND_MASK_CD:
 441                                                 set_recsrc(devc, SRC__CD);
 442                                                 break;
 443
 444                                         default:
 445                                                 set_recsrc(devc, SRC__MIC);
 446                                 }
 447                         }
 448                         break;
 449
 450                 case MDL_SB16:
 451                         if (!devmask)
 452                                 devmask = SOUND_MASK_MIC;
 453
 454                         if (devc->submodel == SUBMDL_ALS007)
 455                         {
 456                                 switch (devmask)
 457                                 {
 458                                         case SOUND_MASK_LINE:
 459                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_LINE);
 460                                                 break;
 461                                         case SOUND_MASK_CD:
 462                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_CD);
 463                                                 break;
 464                                         case SOUND_MASK_SYNTH:
 465                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_SYNTH);
 466                                                 break;
 467                                         default:           /* Also takes care of SOUND_MASK_MIC case */
 468                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_MIC);
 469                                                 break;
 470                                 }
 471                         }
 472                         else
 473                         {
 474                                 regimageL = regimageR = 0;
 475                                 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 476                                 {
 477                                         if ((1 << i) & devmask)
 478                                         {
 479                                                 regimageL |= sb16_recmasks_L[i];
 480                                                 regimageR |= sb16_recmasks_R[i];
 481                                         }
 482                                         sb_setmixer (devc, SB16_IMASK_L, regimageL);
 483                                         sb_setmixer (devc, SB16_IMASK_R, regimageR);
 484                                 }
 485                         }
 486                         break;
 487         }
 488         devc->recmask = devmask;
 489         return devc->recmask;
 490 }
 491
 492 static int set_outmask(sb_devc * devc, int mask)
 493 {
 494         int devmask, i;
 495         unsigned char  regimage;
 496
 497         devmask = mask & devc->supported_out_devices;
 498
 499         switch (devc->model)
 500         {
 501                 case MDL_SB16:
 502                         if (devc->submodel == SUBMDL_ALS007)
 503                                 break;
 504                         else
 505                         {
 506                                 regimage = 0;
 507                                 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 508                                 {
 509                                         if ((1 << i) & devmask)
 510                                         {
 511                                                 regimage |= (sb16_recmasks_L[i] | sb16_recmasks_R[i]);
 512                                         }
 513                                         sb_setmixer (devc, SB16_OMASK, regimage);
 514                                 }
 515                         }
 516                         break;
 517                 default:
 518                         break;
 519         }
 520
 521         devc->outmask = devmask;
 522         return devc->outmask;
 523 }
 524
 525 static int sb_mixer_ioctl(int dev, unsigned int cmd, caddr_t arg)
 526 {
 527         sb_devc *devc = mixer_devs[dev]->devc;
 528         int val, ret;
 529
 530         /*
 531          * Use ioctl(fd, SOUND_MIXER_AGC, &mode) to turn AGC off (0) or on (1).
 532          * Use ioctl(fd, SOUND_MIXER_3DSE, &mode) to turn 3DSE off (0) or on (1)
 533          *                                            or mode==2 put 3DSE state to mode.
 534          */
 535         if (devc->model == MDL_SB16) {
 536                 if (cmd == SOUND_MIXER_AGC)
 537                 {
 538                         if (get_user(val, (int *)arg))
 539                                 return -EFAULT;
 540                         sb_setmixer(devc, 0x43, (~val) & 0x01);
 541                         return 0;
 542                 }
 543                 if (cmd == SOUND_MIXER_3DSE)
 544                 {
 545                         /* I put here 15, but I don't know the exact version.
 546                            At least my 4.13 havn't 3DSE, 4.16 has it. */
 547                         if (devc->minor < 15)
 548                                 return -EINVAL;
 549                         if (get_user(val, (int *)arg))
 550                                 return -EFAULT;
 551                         if (val == 0 || val == 1)
 552                                 sb_chgmixer(devc, AWE_3DSE, 0x01, val);
 553                         else if (val == 2)
 554                         {
 555                                 ret = sb_getmixer(devc, AWE_3DSE)&0x01;
 556                                 return put_user(ret, (int *)arg);
 557                         }
 558                         else
 559                                 return -EINVAL;
 560                         return 0;
 561                 }
 562         }
 563         if (((cmd >> 8) & 0xff) == 'M')
 564         {
 565                 if (_SIOC_DIR(cmd) & _SIOC_WRITE)
 566                 {
 567                         if (get_user(val, (int *)arg))
 568                                 return -EFAULT;
 569                         switch (cmd & 0xff)
 570                         {
 571                                 case SOUND_MIXER_RECSRC:
 572                                         ret = set_recmask(devc, val);
 573                                         break;
 574
 575                                 case SOUND_MIXER_OUTSRC:
 576                                         ret = set_outmask(devc, val);
 577                                         break;
 578
 579                                 default:
 580                                         ret = sb_mixer_set(devc, cmd & 0xff, val);
 581                         }
 582                 }
 583                 else switch (cmd & 0xff)
 584                 {
 585                         case SOUND_MIXER_RECSRC:
 586                                 ret = devc->recmask;
 587                                 break;
 588
 589                         case SOUND_MIXER_OUTSRC:
 590                                 ret = devc->outmask;
 591                                 break;
 592
 593                         case SOUND_MIXER_DEVMASK:
 594                                 ret = devc->supported_devices;
 595                                 break;
 596
 597                         case SOUND_MIXER_STEREODEVS:
 598                                 ret = devc->supported_devices;
 599                                 /* The ESS seems to have stereo mic controls */
 600                                 if (devc->model == MDL_ESS)
 601                                         ret &= ~(SOUND_MASK_SPEAKER|SOUND_MASK_IMIX);
 602                                 else if (devc->model != MDL_JAZZ && devc->model != MDL_SMW)
 603                                         ret &= ~(SOUND_MASK_MIC | SOUND_MASK_SPEAKER | SOUND_MASK_IMIX);
 604                                 break;
 605
 606                         case SOUND_MIXER_RECMASK:
 607                                 ret = devc->supported_rec_devices;
 608                                 break;
 609
 610                         case SOUND_MIXER_OUTMASK:
 611                                 ret = devc->supported_out_devices;
 612                                 break;
 613
 614                         case SOUND_MIXER_CAPS:
 615                                 ret = devc->mixer_caps;
 616                                 break;
 617
 618                         default:
 619                                 ret = sb_mixer_get(devc, cmd & 0xff);
 620                                 break;
 621                 }
 622                 return put_user(ret, (int *)arg);
 623         } else
 624                 return -EINVAL;
 625 }
 626
 627 static struct mixer_operations sb_mixer_operations =
 628 {
 629         owner:  THIS_MODULE,
 630         id:     "SB",
 631         name:   "Sound Blaster",
 632         ioctl:  sb_mixer_ioctl
 633 };
 634
 635 static struct mixer_operations als007_mixer_operations =
 636 {
 637         owner:  THIS_MODULE,
 638         id:     "ALS007",
 639         name:   "Avance ALS-007",
 640         ioctl:  sb_mixer_ioctl
 641 };
 642
 643 static void sb_mixer_reset(sb_devc * devc)
 644 {
 645         char name[32];
 646         int i;
 647
 648         sprintf(name, "SB_%d", devc->sbmixnum);
 649
 650         if (devc->sbmo.sm_games)
 651                 devc->levels = load_mixer_volumes(name, smg_default_levels, 1);
 652         else
 653                 devc->levels = load_mixer_volumes(name, sb_default_levels, 1);
 654
 655         for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 656                 sb_mixer_set(devc, i, devc->levels[i]);
 657
 658         if (devc->model != MDL_ESS || !ess_mixer_reset (devc)) {
 659                 set_recmask(devc, SOUND_MASK_MIC);
 660         };
 661 }
 662
 663 int sb_mixer_init(sb_devc * devc, struct module *owner)
 664 {
 665         int mixer_type = 0;
 666         int m;
 667
 668         devc->sbmixnum = sbmixnum++;
 669         devc->levels = NULL;
 670
 671         sb_setmixer(devc, 0x00, 0);     /* Reset mixer */
 672
 673         if (!(mixer_type = detect_mixer(devc)))
 674                 return 0;       /* No mixer. Why? */
 675
 676         switch (devc->model)
 677         {
 678                 case MDL_ESSPCI:
 679                 case MDL_YMPCI:
 680                 case MDL_SBPRO:
 681                 case MDL_AZTECH:
 682                 case MDL_JAZZ:
 683                         devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
 684                         devc->supported_devices = SBPRO_MIXER_DEVICES;
 685                         devc->supported_rec_devices = SBPRO_RECORDING_DEVICES;
 686                         devc->iomap = &sbpro_mix;
 687                         break;
 688
 689                 case MDL_ESS:
 690                         ess_mixer_init (devc);
 691                         break;
 692
 693                 case MDL_SMW:
 694                         devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
 695                         devc->supported_devices = 0;
 696                         devc->supported_rec_devices = 0;
 697                         devc->iomap = &sbpro_mix;
 698                         smw_mixer_init(devc);
 699                         break;
 700
 701                 case MDL_SB16:
 702                         devc->mixer_caps = 0;
 703                         devc->supported_rec_devices = SB16_RECORDING_DEVICES;
 704                         devc->supported_out_devices = SB16_OUTFILTER_DEVICES;
 705                         if (devc->submodel != SUBMDL_ALS007)
 706                         {
 707                                 devc->supported_devices = SB16_MIXER_DEVICES;
 708                                 devc->iomap = &sb16_mix;
 709                         }
 710                         else
 711                         {
 712                                 devc->supported_devices = ALS007_MIXER_DEVICES;
 713                                 devc->iomap = &als007_mix;
 714                         }
 715                         break;
 716
 717                 default:
 718                         printk(KERN_WARNING "sb_mixer: Unsupported mixer type %d\n", devc->model);
 719                         return 0;
 720         }
 721
 722         m = sound_alloc_mixerdev();
 723         if (m == -1)
 724                 return 0;
 725
 726         mixer_devs[m] = (struct mixer_operations *)kmalloc(sizeof(struct mixer_operations), GFP_KERNEL);
 727         if (mixer_devs[m] == NULL)
 728         {
 729                 printk(KERN_ERR "sb_mixer: Can't allocate memory\n");
 730                 sound_unload_mixerdev(m);
 731                 return 0;
 732         }
 733
 734         if (devc->submodel != SUBMDL_ALS007)
 735                 memcpy ((char *) mixer_devs[m], (char *) &sb_mixer_operations, sizeof (struct mixer_operations));
 736         else
 737                 memcpy ((char *) mixer_devs[m], (char *) &als007_mixer_operations, sizeof (struct mixer_operations));
 738
 739         mixer_devs[m]->devc = devc;
 740
 741         if (owner)
 742                          mixer_devs[m]->owner = owner;
 743
 744         devc->my_mixerdev = m;
 745         sb_mixer_reset(devc);
 746         return 1;
 747 }
 748
 749 void sb_mixer_unload(sb_devc *devc)
 750 {
 751         if (devc->my_mixerdev == -1)
 752                 return;
 753
 754         kfree(mixer_devs[devc->my_mixerdev]);
 755         sound_unload_mixerdev(devc->my_mixerdev);
 756         sbmixnum--;
 757 }