sound/oss/sb_mixer.c

   1 /*
   2  * sound/oss/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 <linux/slab.h>
  20
  21 #include "sound_config.h"
  22
  23 #define __SB_MIXER_C__
  24
  25 #include "sb.h"
  26 #include "sb_mixer.h"
  27
  28 #include "sb_ess.h"
  29
  30 #define SBPRO_RECORDING_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
  31
  32 /* Same as SB Pro, unless I find otherwise */
  33 #define SGNXPRO_RECORDING_DEVICES SBPRO_RECORDING_DEVICES
  34
  35 #define SBPRO_MIXER_DEVICES             (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  36                                          SOUND_MASK_CD | SOUND_MASK_VOLUME)
  37
  38 /* SG NX Pro has treble and bass settings on the mixer. The 'speaker'
  39  * channel is the COVOX/DisneySoundSource emulation volume control
  40  * on the mixer. It does NOT control speaker volume. Should have own
  41  * mask eventually?
  42  */
  43 #define SGNXPRO_MIXER_DEVICES   (SBPRO_MIXER_DEVICES|SOUND_MASK_BASS| \
  44                                  SOUND_MASK_TREBLE|SOUND_MASK_SPEAKER )
  45
  46 #define SB16_RECORDING_DEVICES          (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  47                                          SOUND_MASK_CD)
  48
  49 #define SB16_OUTFILTER_DEVICES          (SOUND_MASK_LINE | SOUND_MASK_MIC | \
  50                                          SOUND_MASK_CD)
  51
  52 #define SB16_MIXER_DEVICES              (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  53                                          SOUND_MASK_CD | \
  54                                          SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | \
  55                                          SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | \
  56                                         SOUND_MASK_IMIX)
  57
  58 /* These are the only devices that are working at the moment.  Others could
  59  * be added once they are identified and a method is found to control them.
  60  */
  61 #define ALS007_MIXER_DEVICES    (SOUND_MASK_SYNTH | SOUND_MASK_LINE | \
  62                                  SOUND_MASK_PCM | SOUND_MASK_MIC | \
  63                                  SOUND_MASK_CD | \
  64                                  SOUND_MASK_VOLUME)
  65
  66 static mixer_tab sbpro_mix = {
  67 MIX_ENT(SOUND_MIXER_VOLUME,     0x22, 7, 4, 0x22, 3, 4),
  68 MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
  69 MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
  70 MIX_ENT(SOUND_MIXER_SYNTH,      0x26, 7, 4, 0x26, 3, 4),
  71 MIX_ENT(SOUND_MIXER_PCM,        0x04, 7, 4, 0x04, 3, 4),
  72 MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
  73 MIX_ENT(SOUND_MIXER_LINE,       0x2e, 7, 4, 0x2e, 3, 4),
  74 MIX_ENT(SOUND_MIXER_MIC,        0x0a, 2, 3, 0x00, 0, 0),
  75 MIX_ENT(SOUND_MIXER_CD,         0x28, 7, 4, 0x28, 3, 4),
  76 MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
  77 MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
  78 MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0)
  79 };
  80
  81 static mixer_tab sb16_mix = {
  82 MIX_ENT(SOUND_MIXER_VOLUME,     0x30, 7, 5, 0x31, 7, 5),
  83 MIX_ENT(SOUND_MIXER_BASS,       0x46, 7, 4, 0x47, 7, 4),
  84 MIX_ENT(SOUND_MIXER_TREBLE,     0x44, 7, 4, 0x45, 7, 4),
  85 MIX_ENT(SOUND_MIXER_SYNTH,      0x34, 7, 5, 0x35, 7, 5),
  86 MIX_ENT(SOUND_MIXER_PCM,        0x32, 7, 5, 0x33, 7, 5),
  87 MIX_ENT(SOUND_MIXER_SPEAKER,    0x3b, 7, 2, 0x00, 0, 0),
  88 MIX_ENT(SOUND_MIXER_LINE,       0x38, 7, 5, 0x39, 7, 5),
  89 MIX_ENT(SOUND_MIXER_MIC,        0x3a, 7, 5, 0x00, 0, 0),
  90 MIX_ENT(SOUND_MIXER_CD,         0x36, 7, 5, 0x37, 7, 5),
  91 MIX_ENT(SOUND_MIXER_IMIX,       0x3c, 0, 1, 0x00, 0, 0),
  92 MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
  93 MIX_ENT(SOUND_MIXER_RECLEV,     0x3f, 7, 2, 0x40, 7, 2), /* Obsolete. Use IGAIN */
  94 MIX_ENT(SOUND_MIXER_IGAIN,      0x3f, 7, 2, 0x40, 7, 2),
  95 MIX_ENT(SOUND_MIXER_OGAIN,      0x41, 7, 2, 0x42, 7, 2)
  96 };
  97
  98 static mixer_tab als007_mix =
  99 {
 100 MIX_ENT(SOUND_MIXER_VOLUME,     0x62, 7, 4, 0x62, 3, 4),
 101 MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
 102 MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
 103 MIX_ENT(SOUND_MIXER_SYNTH,      0x66, 7, 4, 0x66, 3, 4),
 104 MIX_ENT(SOUND_MIXER_PCM,        0x64, 7, 4, 0x64, 3, 4),
 105 MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
 106 MIX_ENT(SOUND_MIXER_LINE,       0x6e, 7, 4, 0x6e, 3, 4),
 107 MIX_ENT(SOUND_MIXER_MIC,        0x6a, 2, 3, 0x00, 0, 0),
 108 MIX_ENT(SOUND_MIXER_CD,         0x68, 7, 4, 0x68, 3, 4),
 109 MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
 110 MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
 111 MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0), /* Obsolete. Use IGAIN */
 112 MIX_ENT(SOUND_MIXER_IGAIN,      0x00, 0, 0, 0x00, 0, 0),
 113 MIX_ENT(SOUND_MIXER_OGAIN,      0x00, 0, 0, 0x00, 0, 0)
 114 };
 115
 116
 117 /* SM_GAMES          Master volume is lower and PCM & FM volumes
 118                              higher than with SB Pro. This improves the
 119                              sound quality */
 120
 121 static int smg_default_levels[32] =
 122 {
 123   0x2020,                       /* Master Volume */
 124   0x4b4b,                       /* Bass */
 125   0x4b4b,                       /* Treble */
 126   0x6464,                       /* FM */
 127   0x6464,                       /* PCM */
 128   0x4b4b,                       /* PC Speaker */
 129   0x4b4b,                       /* Ext Line */
 130   0x0000,                       /* Mic */
 131   0x4b4b,                       /* CD */
 132   0x4b4b,                       /* Recording monitor */
 133   0x4b4b,                       /* SB PCM */
 134   0x4b4b,                       /* Recording level */
 135   0x4b4b,                       /* Input gain */
 136   0x4b4b,                       /* Output gain */
 137   0x4040,                       /* Line1 */
 138   0x4040,                       /* Line2 */
 139   0x1515                        /* Line3 */
 140 };
 141
 142 static int sb_default_levels[32] =
 143 {
 144   0x5a5a,                       /* Master Volume */
 145   0x4b4b,                       /* Bass */
 146   0x4b4b,                       /* Treble */
 147   0x4b4b,                       /* FM */
 148   0x4b4b,                       /* PCM */
 149   0x4b4b,                       /* PC Speaker */
 150   0x4b4b,                       /* Ext Line */
 151   0x1010,                       /* Mic */
 152   0x4b4b,                       /* CD */
 153   0x0000,                       /* Recording monitor */
 154   0x4b4b,                       /* SB PCM */
 155   0x4b4b,                       /* Recording level */
 156   0x4b4b,                       /* Input gain */
 157   0x4b4b,                       /* Output gain */
 158   0x4040,                       /* Line1 */
 159   0x4040,                       /* Line2 */
 160   0x1515                        /* Line3 */
 161 };
 162
 163 static unsigned char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] =
 164 {
 165         0x00,   /* SOUND_MIXER_VOLUME   */
 166         0x00,   /* SOUND_MIXER_BASS     */
 167         0x00,   /* SOUND_MIXER_TREBLE   */
 168         0x40,   /* SOUND_MIXER_SYNTH    */
 169         0x00,   /* SOUND_MIXER_PCM      */
 170         0x00,   /* SOUND_MIXER_SPEAKER  */
 171         0x10,   /* SOUND_MIXER_LINE     */
 172         0x01,   /* SOUND_MIXER_MIC      */
 173         0x04,   /* SOUND_MIXER_CD       */
 174         0x00,   /* SOUND_MIXER_IMIX     */
 175         0x00,   /* SOUND_MIXER_ALTPCM   */
 176         0x00,   /* SOUND_MIXER_RECLEV   */
 177         0x00,   /* SOUND_MIXER_IGAIN    */
 178         0x00    /* SOUND_MIXER_OGAIN    */
 179 };
 180
 181 static unsigned char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] =
 182 {
 183         0x00,   /* SOUND_MIXER_VOLUME   */
 184         0x00,   /* SOUND_MIXER_BASS     */
 185         0x00,   /* SOUND_MIXER_TREBLE   */
 186         0x20,   /* SOUND_MIXER_SYNTH    */
 187         0x00,   /* SOUND_MIXER_PCM      */
 188         0x00,   /* SOUND_MIXER_SPEAKER  */
 189         0x08,   /* SOUND_MIXER_LINE     */
 190         0x01,   /* SOUND_MIXER_MIC      */
 191         0x02,   /* SOUND_MIXER_CD       */
 192         0x00,   /* SOUND_MIXER_IMIX     */
 193         0x00,   /* SOUND_MIXER_ALTPCM   */
 194         0x00,   /* SOUND_MIXER_RECLEV   */
 195         0x00,   /* SOUND_MIXER_IGAIN    */
 196         0x00    /* SOUND_MIXER_OGAIN    */
 197 };
 198
 199 static char     smw_mix_regs[] =        /* Left mixer registers */
 200 {
 201   0x0b,                         /* SOUND_MIXER_VOLUME */
 202   0x0d,                         /* SOUND_MIXER_BASS */
 203   0x0d,                         /* SOUND_MIXER_TREBLE */
 204   0x05,                         /* SOUND_MIXER_SYNTH */
 205   0x09,                         /* SOUND_MIXER_PCM */
 206   0x00,                         /* SOUND_MIXER_SPEAKER */
 207   0x03,                         /* SOUND_MIXER_LINE */
 208   0x01,                         /* SOUND_MIXER_MIC */
 209   0x07,                         /* SOUND_MIXER_CD */
 210   0x00,                         /* SOUND_MIXER_IMIX */
 211   0x00,                         /* SOUND_MIXER_ALTPCM */
 212   0x00,                         /* SOUND_MIXER_RECLEV */
 213   0x00,                         /* SOUND_MIXER_IGAIN */
 214   0x00,                         /* SOUND_MIXER_OGAIN */
 215   0x00,                         /* SOUND_MIXER_LINE1 */
 216   0x00,                         /* SOUND_MIXER_LINE2 */
 217   0x00                          /* SOUND_MIXER_LINE3 */
 218 };
 219
 220 static int      sbmixnum = 1;
 221
 222 static void     sb_mixer_reset(sb_devc * devc);
 223
 224 void sb_mixer_set_stereo(sb_devc * devc, int mode)
 225 {
 226         sb_chgmixer(devc, OUT_FILTER, STEREO_DAC, (mode ? STEREO_DAC : MONO_DAC));
 227 }
 228
 229 static int detect_mixer(sb_devc * devc)
 230 {
 231         /* Just trust the mixer is there */
 232         return 1;
 233 }
 234
 235 static void oss_change_bits(sb_devc *devc, unsigned char *regval, int dev, int chn, int newval)
 236 {
 237         unsigned char mask;
 238         int shift;
 239
 240         mask = (1 << (*devc->iomap)[dev][chn].nbits) - 1;
 241         newval = (int) ((newval * mask) + 50) / 100;    /* Scale */
 242
 243         shift = (*devc->iomap)[dev][chn].bitoffs - (*devc->iomap)[dev][LEFT_CHN].nbits + 1;
 244
 245         *regval &= ~(mask << shift);    /* Mask out previous value */
 246         *regval |= (newval & mask) << shift;    /* Set the new value */
 247 }
 248
 249 static int sb_mixer_get(sb_devc * devc, int dev)
 250 {
 251         if (!((1 << dev) & devc->supported_devices))
 252                 return -EINVAL;
 253         return devc->levels[dev];
 254 }
 255
 256 void smw_mixer_init(sb_devc * devc)
 257 {
 258         int i;
 259
 260         sb_setmixer(devc, 0x00, 0x18);  /* Mute unused (Telephone) line */
 261         sb_setmixer(devc, 0x10, 0x38);  /* Config register 2 */
 262
 263         devc->supported_devices = 0;
 264         for (i = 0; i < sizeof(smw_mix_regs); i++)
 265                 if (smw_mix_regs[i] != 0)
 266                         devc->supported_devices |= (1 << i);
 267
 268         devc->supported_rec_devices = devc->supported_devices &
 269                 ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_PCM | SOUND_MASK_VOLUME);
 270         sb_mixer_reset(devc);
 271 }
 272
 273 int sb_common_mixer_set(sb_devc * devc, int dev, int left, int right)
 274 {
 275         int regoffs;
 276         unsigned char val;
 277
 278         if ((dev < 0) || (dev >= devc->iomap_sz))
 279                 return -EINVAL;
 280
 281         regoffs = (*devc->iomap)[dev][LEFT_CHN].regno;
 282
 283         if (regoffs == 0)
 284                 return -EINVAL;
 285
 286         val = sb_getmixer(devc, regoffs);
 287         oss_change_bits(devc, &val, dev, LEFT_CHN, left);
 288
 289         if ((*devc->iomap)[dev][RIGHT_CHN].regno != regoffs)    /*
 290                                                                  * Change register
 291                                                                  */
 292         {
 293                 sb_setmixer(devc, regoffs, val);        /*
 294                                                          * Save the old one
 295                                                          */
 296                 regoffs = (*devc->iomap)[dev][RIGHT_CHN].regno;
 297
 298                 if (regoffs == 0)
 299                         return left | (left << 8);      /*
 300                                                          * Just left channel present
 301                                                          */
 302
 303                 val = sb_getmixer(devc, regoffs);       /*
 304                                                          * Read the new one
 305                                                          */
 306         }
 307         oss_change_bits(devc, &val, dev, RIGHT_CHN, right);
 308
 309         sb_setmixer(devc, regoffs, val);
 310
 311         return left | (right << 8);
 312 }
 313
 314 static int smw_mixer_set(sb_devc * devc, int dev, int left, int right)
 315 {
 316         int reg, val;
 317
 318         switch (dev)
 319         {
 320                 case SOUND_MIXER_VOLUME:
 321                         sb_setmixer(devc, 0x0b, 96 - (96 * left / 100));        /* 96=mute, 0=max */
 322                         sb_setmixer(devc, 0x0c, 96 - (96 * right / 100));
 323                         break;
 324
 325                 case SOUND_MIXER_BASS:
 326                 case SOUND_MIXER_TREBLE:
 327                         devc->levels[dev] = left | (right << 8);
 328                         /* Set left bass and treble values */
 329                         val = ((devc->levels[SOUND_MIXER_TREBLE] & 0xff) * 16 / (unsigned) 100) << 4;
 330                         val |= ((devc->levels[SOUND_MIXER_BASS] & 0xff) * 16 / (unsigned) 100) & 0x0f;
 331                         sb_setmixer(devc, 0x0d, val);
 332
 333                         /* Set right bass and treble values */
 334                         val = (((devc->levels[SOUND_MIXER_TREBLE] >> 8) & 0xff) * 16 / (unsigned) 100) << 4;
 335                         val |= (((devc->levels[SOUND_MIXER_BASS] >> 8) & 0xff) * 16 / (unsigned) 100) & 0x0f;
 336                         sb_setmixer(devc, 0x0e, val);
 337
 338                         break;
 339
 340                 default:
 341                         /* bounds check */
 342                         if (dev < 0 || dev >= ARRAY_SIZE(smw_mix_regs))
 343                                 return -EINVAL;
 344                         reg = smw_mix_regs[dev];
 345                         if (reg == 0)
 346                                 return -EINVAL;
 347                         sb_setmixer(devc, reg, (24 - (24 * left / 100)) | 0x20);        /* 24=mute, 0=max */
 348                         sb_setmixer(devc, reg + 1, (24 - (24 * right / 100)) | 0x40);
 349         }
 350
 351         devc->levels[dev] = left | (right << 8);
 352         return left | (right << 8);
 353 }
 354
 355 static int sb_mixer_set(sb_devc * devc, int dev, int value)
 356 {
 357         int left = value & 0x000000ff;
 358         int right = (value & 0x0000ff00) >> 8;
 359         int retval;
 360
 361         if (left > 100)
 362                 left = 100;
 363         if (right > 100)
 364                 right = 100;
 365
 366         if ((dev < 0) || (dev > 31))
 367                 return -EINVAL;
 368
 369         if (!(devc->supported_devices & (1 << dev)))    /*
 370                                                          * Not supported
 371                                                          */
 372                 return -EINVAL;
 373
 374         /* Differentiate depending on the chipsets */
 375         switch (devc->model) {
 376         case MDL_SMW:
 377                 retval = smw_mixer_set(devc, dev, left, right);
 378                 break;
 379         case MDL_ESS:
 380                 retval = ess_mixer_set(devc, dev, left, right);
 381                 break;
 382         default:
 383                 retval = sb_common_mixer_set(devc, dev, left, right);
 384         }
 385         if (retval >= 0) devc->levels[dev] = retval;
 386
 387         return retval;
 388 }
 389
 390 /*
 391  * set_recsrc doesn't apply to ES188x
 392  */
 393 static void set_recsrc(sb_devc * devc, int src)
 394 {
 395         sb_setmixer(devc, RECORD_SRC, (sb_getmixer(devc, RECORD_SRC) & ~7) | (src & 0x7));
 396 }
 397
 398 static int set_recmask(sb_devc * devc, int mask)
 399 {
 400         int devmask, i;
 401         unsigned char  regimageL, regimageR;
 402
 403         devmask = mask & devc->supported_rec_devices;
 404
 405         switch (devc->model)
 406         {
 407                 case MDL_SBPRO:
 408                 case MDL_ESS:
 409                 case MDL_JAZZ:
 410                 case MDL_SMW:
 411                         if (devc->model == MDL_ESS && ess_set_recmask (devc, &devmask)) {
 412                                 break;
 413                         }
 414                         if (devmask != SOUND_MASK_MIC &&
 415                                 devmask != SOUND_MASK_LINE &&
 416                                 devmask != SOUND_MASK_CD)
 417                         {
 418                                 /*
 419                                  * More than one device selected. Drop the
 420                                  * previous selection
 421                                  */
 422                                 devmask &= ~devc->recmask;
 423                         }
 424                         if (devmask != SOUND_MASK_MIC &&
 425                                 devmask != SOUND_MASK_LINE &&
 426                                 devmask != SOUND_MASK_CD)
 427                         {
 428                                 /*
 429                                  * More than one device selected. Default to
 430                                  * mic
 431                                  */
 432                                 devmask = SOUND_MASK_MIC;
 433                         }
 434                         if (devmask ^ devc->recmask)    /*
 435                                                          *      Input source changed
 436                                                          */
 437                         {
 438                                 switch (devmask)
 439                                 {
 440                                         case SOUND_MASK_MIC:
 441                                                 set_recsrc(devc, SRC__MIC);
 442                                                 break;
 443
 444                                         case SOUND_MASK_LINE:
 445                                                 set_recsrc(devc, SRC__LINE);
 446                                                 break;
 447
 448                                         case SOUND_MASK_CD:
 449                                                 set_recsrc(devc, SRC__CD);
 450                                                 break;
 451
 452                                         default:
 453                                                 set_recsrc(devc, SRC__MIC);
 454                                 }
 455                         }
 456                         break;
 457
 458                 case MDL_SB16:
 459                         if (!devmask)
 460                                 devmask = SOUND_MASK_MIC;
 461
 462                         if (devc->submodel == SUBMDL_ALS007)
 463                         {
 464                                 switch (devmask)
 465                                 {
 466                                         case SOUND_MASK_LINE:
 467                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_LINE);
 468                                                 break;
 469                                         case SOUND_MASK_CD:
 470                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_CD);
 471                                                 break;
 472                                         case SOUND_MASK_SYNTH:
 473                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_SYNTH);
 474                                                 break;
 475                                         default:           /* Also takes care of SOUND_MASK_MIC case */
 476                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_MIC);
 477                                                 break;
 478                                 }
 479                         }
 480                         else
 481                         {
 482                                 regimageL = regimageR = 0;
 483                                 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 484                                 {
 485                                         if ((1 << i) & devmask)
 486                                         {
 487                                                 regimageL |= sb16_recmasks_L[i];
 488                                                 regimageR |= sb16_recmasks_R[i];
 489                                         }
 490                                         sb_setmixer (devc, SB16_IMASK_L, regimageL);
 491                                         sb_setmixer (devc, SB16_IMASK_R, regimageR);
 492                                 }
 493                         }
 494                         break;
 495         }
 496         devc->recmask = devmask;
 497         return devc->recmask;
 498 }
 499
 500 static int set_outmask(sb_devc * devc, int mask)
 501 {
 502         int devmask, i;
 503         unsigned char  regimage;
 504
 505         devmask = mask & devc->supported_out_devices;
 506
 507         switch (devc->model)
 508         {
 509                 case MDL_SB16:
 510                         if (devc->submodel == SUBMDL_ALS007)
 511                                 break;
 512                         else
 513                         {
 514                                 regimage = 0;
 515                                 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 516                                 {
 517                                         if ((1 << i) & devmask)
 518                                         {
 519                                                 regimage |= (sb16_recmasks_L[i] | sb16_recmasks_R[i]);
 520                                         }
 521                                         sb_setmixer (devc, SB16_OMASK, regimage);
 522                                 }
 523                         }
 524                         break;
 525                 default:
 526                         break;
 527         }
 528
 529         devc->outmask = devmask;
 530         return devc->outmask;
 531 }
 532
 533 static int sb_mixer_ioctl(int dev, unsigned int cmd, void __user *arg)
 534 {
 535         sb_devc *devc = mixer_devs[dev]->devc;
 536         int val, ret;
 537         int __user *p = arg;
 538
 539         /*
 540          * Use ioctl(fd, SOUND_MIXER_AGC, &mode) to turn AGC off (0) or on (1).
 541          * Use ioctl(fd, SOUND_MIXER_3DSE, &mode) to turn 3DSE off (0) or on (1)
 542          *                                            or mode==2 put 3DSE state to mode.
 543          */
 544         if (devc->model == MDL_SB16) {
 545                 if (cmd == SOUND_MIXER_AGC)
 546                 {
 547                         if (get_user(val, p))
 548                                 return -EFAULT;
 549                         sb_setmixer(devc, 0x43, (~val) & 0x01);
 550                         return 0;
 551                 }
 552                 if (cmd == SOUND_MIXER_3DSE)
 553                 {
 554                         /* I put here 15, but I don't know the exact version.
 555                            At least my 4.13 havn't 3DSE, 4.16 has it. */
 556                         if (devc->minor < 15)
 557                                 return -EINVAL;
 558                         if (get_user(val, p))
 559                                 return -EFAULT;
 560                         if (val == 0 || val == 1)
 561                                 sb_chgmixer(devc, AWE_3DSE, 0x01, val);
 562                         else if (val == 2)
 563                         {
 564                                 ret = sb_getmixer(devc, AWE_3DSE)&0x01;
 565                                 return put_user(ret, p);
 566                         }
 567                         else
 568                                 return -EINVAL;
 569                         return 0;
 570                 }
 571         }
 572         if (((cmd >> 8) & 0xff) == 'M')
 573         {
 574                 if (_SIOC_DIR(cmd) & _SIOC_WRITE)
 575                 {
 576                         if (get_user(val, p))
 577                                 return -EFAULT;
 578                         switch (cmd & 0xff)
 579                         {
 580                                 case SOUND_MIXER_RECSRC:
 581                                         ret = set_recmask(devc, val);
 582                                         break;
 583
 584                                 case SOUND_MIXER_OUTSRC:
 585                                         ret = set_outmask(devc, val);
 586                                         break;
 587
 588                                 default:
 589                                         ret = sb_mixer_set(devc, cmd & 0xff, val);
 590                         }
 591                 }
 592                 else switch (cmd & 0xff)
 593                 {
 594                         case SOUND_MIXER_RECSRC:
 595                                 ret = devc->recmask;
 596                                 break;
 597
 598                         case SOUND_MIXER_OUTSRC:
 599                                 ret = devc->outmask;
 600                                 break;
 601
 602                         case SOUND_MIXER_DEVMASK:
 603                                 ret = devc->supported_devices;
 604                                 break;
 605
 606                         case SOUND_MIXER_STEREODEVS:
 607                                 ret = devc->supported_devices;
 608                                 /* The ESS seems to have stereo mic controls */
 609                                 if (devc->model == MDL_ESS)
 610                                         ret &= ~(SOUND_MASK_SPEAKER|SOUND_MASK_IMIX);
 611                                 else if (devc->model != MDL_JAZZ && devc->model != MDL_SMW)
 612                                         ret &= ~(SOUND_MASK_MIC | SOUND_MASK_SPEAKER | SOUND_MASK_IMIX);
 613                                 break;
 614
 615                         case SOUND_MIXER_RECMASK:
 616                                 ret = devc->supported_rec_devices;
 617                                 break;
 618
 619                         case SOUND_MIXER_OUTMASK:
 620                                 ret = devc->supported_out_devices;
 621                                 break;
 622
 623                         case SOUND_MIXER_CAPS:
 624                                 ret = devc->mixer_caps;
 625                                 break;
 626
 627                         default:
 628                                 ret = sb_mixer_get(devc, cmd & 0xff);
 629                                 break;
 630                 }
 631                 return put_user(ret, p);
 632         } else
 633                 return -EINVAL;
 634 }
 635
 636 static struct mixer_operations sb_mixer_operations =
 637 {
 638         .owner  = THIS_MODULE,
 639         .id     = "SB",
 640         .name   = "Sound Blaster",
 641         .ioctl  = sb_mixer_ioctl
 642 };
 643
 644 static struct mixer_operations als007_mixer_operations =
 645 {
 646         .owner  = THIS_MODULE,
 647         .id     = "ALS007",
 648         .name   = "Avance ALS-007",
 649         .ioctl  = sb_mixer_ioctl
 650 };
 651
 652 static void sb_mixer_reset(sb_devc * devc)
 653 {
 654         char name[32];
 655         int i;
 656
 657         sprintf(name, "SB_%d", devc->sbmixnum);
 658
 659         if (devc->sbmo.sm_games)
 660                 devc->levels = load_mixer_volumes(name, smg_default_levels, 1);
 661         else
 662                 devc->levels = load_mixer_volumes(name, sb_default_levels, 1);
 663
 664         for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 665                 sb_mixer_set(devc, i, devc->levels[i]);
 666
 667         if (devc->model != MDL_ESS || !ess_mixer_reset (devc)) {
 668                 set_recmask(devc, SOUND_MASK_MIC);
 669         }
 670 }
 671
 672 int sb_mixer_init(sb_devc * devc, struct module *owner)
 673 {
 674         int mixer_type = 0;
 675         int m;
 676
 677         devc->sbmixnum = sbmixnum++;
 678         devc->levels = NULL;
 679
 680         sb_setmixer(devc, 0x00, 0);     /* Reset mixer */
 681
 682         if (!(mixer_type = detect_mixer(devc)))
 683                 return 0;       /* No mixer. Why? */
 684
 685         switch (devc->model)
 686         {
 687                 case MDL_ESSPCI:
 688                 case MDL_YMPCI:
 689                 case MDL_SBPRO:
 690                 case MDL_AZTECH:
 691                 case MDL_JAZZ:
 692                         devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
 693                         devc->supported_devices = SBPRO_MIXER_DEVICES;
 694                         devc->supported_rec_devices = SBPRO_RECORDING_DEVICES;
 695                         devc->iomap = &sbpro_mix;
 696                         devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
 697                         break;
 698
 699                 case MDL_ESS:
 700                         ess_mixer_init (devc);
 701                         break;
 702
 703                 case MDL_SMW:
 704                         devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
 705                         devc->supported_devices = 0;
 706                         devc->supported_rec_devices = 0;
 707                         devc->iomap = &sbpro_mix;
 708                         devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
 709                         smw_mixer_init(devc);
 710                         break;
 711
 712                 case MDL_SB16:
 713                         devc->mixer_caps = 0;
 714                         devc->supported_rec_devices = SB16_RECORDING_DEVICES;
 715                         devc->supported_out_devices = SB16_OUTFILTER_DEVICES;
 716                         if (devc->submodel != SUBMDL_ALS007)
 717                         {
 718                                 devc->supported_devices = SB16_MIXER_DEVICES;
 719                                 devc->iomap = &sb16_mix;
 720                                 devc->iomap_sz = ARRAY_SIZE(sb16_mix);
 721                         }
 722                         else
 723                         {
 724                                 devc->supported_devices = ALS007_MIXER_DEVICES;
 725                                 devc->iomap = &als007_mix;
 726                                 devc->iomap_sz = ARRAY_SIZE(als007_mix);
 727                         }
 728                         break;
 729
 730                 default:
 731                         printk(KERN_WARNING "sb_mixer: Unsupported mixer type %d\n", devc->model);
 732                         return 0;
 733         }
 734
 735         m = sound_alloc_mixerdev();
 736         if (m == -1)
 737                 return 0;
 738
 739         mixer_devs[m] = kmalloc(sizeof(struct mixer_operations), GFP_KERNEL);
 740         if (mixer_devs[m] == NULL)
 741         {
 742                 printk(KERN_ERR "sb_mixer: Can't allocate memory\n");
 743                 sound_unload_mixerdev(m);
 744                 return 0;
 745         }
 746
 747         if (devc->submodel != SUBMDL_ALS007)
 748                 memcpy ((char *) mixer_devs[m], (char *) &sb_mixer_operations, sizeof (struct mixer_operations));
 749         else
 750                 memcpy ((char *) mixer_devs[m], (char *) &als007_mixer_operations, sizeof (struct mixer_operations));
 751
 752         mixer_devs[m]->devc = devc;
 753
 754         if (owner)
 755                          mixer_devs[m]->owner = owner;
 756
 757         devc->my_mixerdev = m;
 758         sb_mixer_reset(devc);
 759         return 1;
 760 }
 761
 762 void sb_mixer_unload(sb_devc *devc)
 763 {
 764         if (devc->my_mixerdev == -1)
 765                 return;
 766
 767         kfree(mixer_devs[devc->my_mixerdev]);
 768         sound_unload_mixerdev(devc->my_mixerdev);
 769         sbmixnum--;
 770 }