sound/oss/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         if ((dev < 0) || (dev >= devc->iomap_sz))
 282             return -EINVAL;
 283
 284         val = sb_getmixer(devc, regoffs);
 285         change_bits(devc, &val, dev, LEFT_CHN, left);
 286
 287         if ((*devc->iomap)[dev][RIGHT_CHN].regno != regoffs)    /*
 288                                                                  * Change register
 289                                                                  */
 290         {
 291                 sb_setmixer(devc, regoffs, val);        /*
 292                                                          * Save the old one
 293                                                          */
 294                 regoffs = (*devc->iomap)[dev][RIGHT_CHN].regno;
 295
 296                 if (regoffs == 0)
 297                         return left | (left << 8);      /*
 298                                                          * Just left channel present
 299                                                          */
 300
 301                 val = sb_getmixer(devc, regoffs);       /*
 302                                                          * Read the new one
 303                                                          */
 304         }
 305         change_bits(devc, &val, dev, RIGHT_CHN, right);
 306
 307         sb_setmixer(devc, regoffs, val);
 308
 309         return left | (right << 8);
 310 }
 311
 312 static int smw_mixer_set(sb_devc * devc, int dev, int left, int right)
 313 {
 314         int reg, val;
 315
 316         switch (dev)
 317         {
 318                 case SOUND_MIXER_VOLUME:
 319                         sb_setmixer(devc, 0x0b, 96 - (96 * left / 100));        /* 96=mute, 0=max */
 320                         sb_setmixer(devc, 0x0c, 96 - (96 * right / 100));
 321                         break;
 322
 323                 case SOUND_MIXER_BASS:
 324                 case SOUND_MIXER_TREBLE:
 325                         devc->levels[dev] = left | (right << 8);
 326                         /* Set left bass and treble values */
 327                         val = ((devc->levels[SOUND_MIXER_TREBLE] & 0xff) * 16 / (unsigned) 100) << 4;
 328                         val |= ((devc->levels[SOUND_MIXER_BASS] & 0xff) * 16 / (unsigned) 100) & 0x0f;
 329                         sb_setmixer(devc, 0x0d, val);
 330
 331                         /* Set right bass and treble values */
 332                         val = (((devc->levels[SOUND_MIXER_TREBLE] >> 8) & 0xff) * 16 / (unsigned) 100) << 4;
 333                         val |= (((devc->levels[SOUND_MIXER_BASS] >> 8) & 0xff) * 16 / (unsigned) 100) & 0x0f;
 334                         sb_setmixer(devc, 0x0e, val);
 335
 336                         break;
 337
 338                 default:
 339                         /* bounds check */
 340                         if (dev < 0 || dev >= ARRAY_SIZE(smw_mix_regs))
 341                                 return -EINVAL;
 342                         reg = smw_mix_regs[dev];
 343                         if (reg == 0)
 344                                 return -EINVAL;
 345                         sb_setmixer(devc, reg, (24 - (24 * left / 100)) | 0x20);        /* 24=mute, 0=max */
 346                         sb_setmixer(devc, reg + 1, (24 - (24 * right / 100)) | 0x40);
 347         }
 348
 349         devc->levels[dev] = left | (right << 8);
 350         return left | (right << 8);
 351 }
 352
 353 static int sb_mixer_set(sb_devc * devc, int dev, int value)
 354 {
 355         int left = value & 0x000000ff;
 356         int right = (value & 0x0000ff00) >> 8;
 357         int retval;
 358
 359         if (left > 100)
 360                 left = 100;
 361         if (right > 100)
 362                 right = 100;
 363
 364         if ((dev < 0) || (dev > 31))
 365                 return -EINVAL;
 366
 367         if (!(devc->supported_devices & (1 << dev)))    /*
 368                                                          * Not supported
 369                                                          */
 370                 return -EINVAL;
 371
 372         /* Differentiate depending on the chipsets */
 373         switch (devc->model) {
 374         case MDL_SMW:
 375                 retval = smw_mixer_set(devc, dev, left, right);
 376                 break;
 377         case MDL_ESS:
 378                 retval = ess_mixer_set(devc, dev, left, right);
 379                 break;
 380         default:
 381                 retval = sb_common_mixer_set(devc, dev, left, right);
 382         }
 383         if (retval >= 0) devc->levels[dev] = retval;
 384
 385         return retval;
 386 }
 387
 388 /*
 389  * set_recsrc doesn't apply to ES188x
 390  */
 391 static void set_recsrc(sb_devc * devc, int src)
 392 {
 393         sb_setmixer(devc, RECORD_SRC, (sb_getmixer(devc, RECORD_SRC) & ~7) | (src & 0x7));
 394 }
 395
 396 static int set_recmask(sb_devc * devc, int mask)
 397 {
 398         int devmask, i;
 399         unsigned char  regimageL, regimageR;
 400
 401         devmask = mask & devc->supported_rec_devices;
 402
 403         switch (devc->model)
 404         {
 405                 case MDL_SBPRO:
 406                 case MDL_ESS:
 407                 case MDL_JAZZ:
 408                 case MDL_SMW:
 409                         if (devc->model == MDL_ESS && ess_set_recmask (devc, &devmask)) {
 410                                 break;
 411                         };
 412                         if (devmask != SOUND_MASK_MIC &&
 413                                 devmask != SOUND_MASK_LINE &&
 414                                 devmask != SOUND_MASK_CD)
 415                         {
 416                                 /*
 417                                  * More than one device selected. Drop the
 418                                  * previous selection
 419                                  */
 420                                 devmask &= ~devc->recmask;
 421                         }
 422                         if (devmask != SOUND_MASK_MIC &&
 423                                 devmask != SOUND_MASK_LINE &&
 424                                 devmask != SOUND_MASK_CD)
 425                         {
 426                                 /*
 427                                  * More than one device selected. Default to
 428                                  * mic
 429                                  */
 430                                 devmask = SOUND_MASK_MIC;
 431                         }
 432                         if (devmask ^ devc->recmask)    /*
 433                                                          *      Input source changed
 434                                                          */
 435                         {
 436                                 switch (devmask)
 437                                 {
 438                                         case SOUND_MASK_MIC:
 439                                                 set_recsrc(devc, SRC__MIC);
 440                                                 break;
 441
 442                                         case SOUND_MASK_LINE:
 443                                                 set_recsrc(devc, SRC__LINE);
 444                                                 break;
 445
 446                                         case SOUND_MASK_CD:
 447                                                 set_recsrc(devc, SRC__CD);
 448                                                 break;
 449
 450                                         default:
 451                                                 set_recsrc(devc, SRC__MIC);
 452                                 }
 453                         }
 454                         break;
 455
 456                 case MDL_SB16:
 457                         if (!devmask)
 458                                 devmask = SOUND_MASK_MIC;
 459
 460                         if (devc->submodel == SUBMDL_ALS007)
 461                         {
 462                                 switch (devmask)
 463                                 {
 464                                         case SOUND_MASK_LINE:
 465                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_LINE);
 466                                                 break;
 467                                         case SOUND_MASK_CD:
 468                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_CD);
 469                                                 break;
 470                                         case SOUND_MASK_SYNTH:
 471                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_SYNTH);
 472                                                 break;
 473                                         default:           /* Also takes care of SOUND_MASK_MIC case */
 474                                                 sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_MIC);
 475                                                 break;
 476                                 }
 477                         }
 478                         else
 479                         {
 480                                 regimageL = regimageR = 0;
 481                                 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 482                                 {
 483                                         if ((1 << i) & devmask)
 484                                         {
 485                                                 regimageL |= sb16_recmasks_L[i];
 486                                                 regimageR |= sb16_recmasks_R[i];
 487                                         }
 488                                         sb_setmixer (devc, SB16_IMASK_L, regimageL);
 489                                         sb_setmixer (devc, SB16_IMASK_R, regimageR);
 490                                 }
 491                         }
 492                         break;
 493         }
 494         devc->recmask = devmask;
 495         return devc->recmask;
 496 }
 497
 498 static int set_outmask(sb_devc * devc, int mask)
 499 {
 500         int devmask, i;
 501         unsigned char  regimage;
 502
 503         devmask = mask & devc->supported_out_devices;
 504
 505         switch (devc->model)
 506         {
 507                 case MDL_SB16:
 508                         if (devc->submodel == SUBMDL_ALS007)
 509                                 break;
 510                         else
 511                         {
 512                                 regimage = 0;
 513                                 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 514                                 {
 515                                         if ((1 << i) & devmask)
 516                                         {
 517                                                 regimage |= (sb16_recmasks_L[i] | sb16_recmasks_R[i]);
 518                                         }
 519                                         sb_setmixer (devc, SB16_OMASK, regimage);
 520                                 }
 521                         }
 522                         break;
 523                 default:
 524                         break;
 525         }
 526
 527         devc->outmask = devmask;
 528         return devc->outmask;
 529 }
 530
 531 static int sb_mixer_ioctl(int dev, unsigned int cmd, caddr_t arg)
 532 {
 533         sb_devc *devc = mixer_devs[dev]->devc;
 534         int val, ret;
 535
 536         /*
 537          * Use ioctl(fd, SOUND_MIXER_AGC, &mode) to turn AGC off (0) or on (1).
 538          * Use ioctl(fd, SOUND_MIXER_3DSE, &mode) to turn 3DSE off (0) or on (1)
 539          *                                            or mode==2 put 3DSE state to mode.
 540          */
 541         if (devc->model == MDL_SB16) {
 542                 if (cmd == SOUND_MIXER_AGC)
 543                 {
 544                         if (get_user(val, (int *)arg))
 545                                 return -EFAULT;
 546                         sb_setmixer(devc, 0x43, (~val) & 0x01);
 547                         return 0;
 548                 }
 549                 if (cmd == SOUND_MIXER_3DSE)
 550                 {
 551                         /* I put here 15, but I don't know the exact version.
 552                            At least my 4.13 havn't 3DSE, 4.16 has it. */
 553                         if (devc->minor < 15)
 554                                 return -EINVAL;
 555                         if (get_user(val, (int *)arg))
 556                                 return -EFAULT;
 557                         if (val == 0 || val == 1)
 558                                 sb_chgmixer(devc, AWE_3DSE, 0x01, val);
 559                         else if (val == 2)
 560                         {
 561                                 ret = sb_getmixer(devc, AWE_3DSE)&0x01;
 562                                 return put_user(ret, (int *)arg);
 563                         }
 564                         else
 565                                 return -EINVAL;
 566                         return 0;
 567                 }
 568         }
 569         if (((cmd >> 8) & 0xff) == 'M')
 570         {
 571                 if (_SIOC_DIR(cmd) & _SIOC_WRITE)
 572                 {
 573                         if (get_user(val, (int *)arg))
 574                                 return -EFAULT;
 575                         switch (cmd & 0xff)
 576                         {
 577                                 case SOUND_MIXER_RECSRC:
 578                                         ret = set_recmask(devc, val);
 579                                         break;
 580
 581                                 case SOUND_MIXER_OUTSRC:
 582                                         ret = set_outmask(devc, val);
 583                                         break;
 584
 585                                 default:
 586                                         ret = sb_mixer_set(devc, cmd & 0xff, val);
 587                         }
 588                 }
 589                 else switch (cmd & 0xff)
 590                 {
 591                         case SOUND_MIXER_RECSRC:
 592                                 ret = devc->recmask;
 593                                 break;
 594
 595                         case SOUND_MIXER_OUTSRC:
 596                                 ret = devc->outmask;
 597                                 break;
 598
 599                         case SOUND_MIXER_DEVMASK:
 600                                 ret = devc->supported_devices;
 601                                 break;
 602
 603                         case SOUND_MIXER_STEREODEVS:
 604                                 ret = devc->supported_devices;
 605                                 /* The ESS seems to have stereo mic controls */
 606                                 if (devc->model == MDL_ESS)
 607                                         ret &= ~(SOUND_MASK_SPEAKER|SOUND_MASK_IMIX);
 608                                 else if (devc->model != MDL_JAZZ && devc->model != MDL_SMW)
 609                                         ret &= ~(SOUND_MASK_MIC | SOUND_MASK_SPEAKER | SOUND_MASK_IMIX);
 610                                 break;
 611
 612                         case SOUND_MIXER_RECMASK:
 613                                 ret = devc->supported_rec_devices;
 614                                 break;
 615
 616                         case SOUND_MIXER_OUTMASK:
 617                                 ret = devc->supported_out_devices;
 618                                 break;
 619
 620                         case SOUND_MIXER_CAPS:
 621                                 ret = devc->mixer_caps;
 622                                 break;
 623
 624                         default:
 625                                 ret = sb_mixer_get(devc, cmd & 0xff);
 626                                 break;
 627                 }
 628                 return put_user(ret, (int *)arg);
 629         } else
 630                 return -EINVAL;
 631 }
 632
 633 static struct mixer_operations sb_mixer_operations =
 634 {
 635         .owner  = THIS_MODULE,
 636         .id     = "SB",
 637         .name   = "Sound Blaster",
 638         .ioctl  = sb_mixer_ioctl
 639 };
 640
 641 static struct mixer_operations als007_mixer_operations =
 642 {
 643         .owner  = THIS_MODULE,
 644         .id     = "ALS007",
 645         .name   = "Avance ALS-007",
 646         .ioctl  = sb_mixer_ioctl
 647 };
 648
 649 static void sb_mixer_reset(sb_devc * devc)
 650 {
 651         char name[32];
 652         int i;
 653
 654         sprintf(name, "SB_%d", devc->sbmixnum);
 655
 656         if (devc->sbmo.sm_games)
 657                 devc->levels = load_mixer_volumes(name, smg_default_levels, 1);
 658         else
 659                 devc->levels = load_mixer_volumes(name, sb_default_levels, 1);
 660
 661         for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 662                 sb_mixer_set(devc, i, devc->levels[i]);
 663
 664         if (devc->model != MDL_ESS || !ess_mixer_reset (devc)) {
 665                 set_recmask(devc, SOUND_MASK_MIC);
 666         };
 667 }
 668
 669 int sb_mixer_init(sb_devc * devc, struct module *owner)
 670 {
 671         int mixer_type = 0;
 672         int m;
 673
 674         devc->sbmixnum = sbmixnum++;
 675         devc->levels = NULL;
 676
 677         sb_setmixer(devc, 0x00, 0);     /* Reset mixer */
 678
 679         if (!(mixer_type = detect_mixer(devc)))
 680                 return 0;       /* No mixer. Why? */
 681
 682         switch (devc->model)
 683         {
 684                 case MDL_ESSPCI:
 685                 case MDL_YMPCI:
 686                 case MDL_SBPRO:
 687                 case MDL_AZTECH:
 688                 case MDL_JAZZ:
 689                         devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
 690                         devc->supported_devices = SBPRO_MIXER_DEVICES;
 691                         devc->supported_rec_devices = SBPRO_RECORDING_DEVICES;
 692                         devc->iomap = &sbpro_mix;
 693                         devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
 694                         break;
 695
 696                 case MDL_ESS:
 697                         ess_mixer_init (devc);
 698                         break;
 699
 700                 case MDL_SMW:
 701                         devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
 702                         devc->supported_devices = 0;
 703                         devc->supported_rec_devices = 0;
 704                         devc->iomap = &sbpro_mix;
 705                         devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
 706                         smw_mixer_init(devc);
 707                         break;
 708
 709                 case MDL_SB16:
 710                         devc->mixer_caps = 0;
 711                         devc->supported_rec_devices = SB16_RECORDING_DEVICES;
 712                         devc->supported_out_devices = SB16_OUTFILTER_DEVICES;
 713                         if (devc->submodel != SUBMDL_ALS007)
 714                         {
 715                                 devc->supported_devices = SB16_MIXER_DEVICES;
 716                                 devc->iomap = &sb16_mix;
 717                                 devc->iomap_sz = ARRAY_SIZE(sb16_mix);
 718                         }
 719                         else
 720                         {
 721                                 devc->supported_devices = ALS007_MIXER_DEVICES;
 722                                 devc->iomap = &als007_mix;
 723                                 devc->iomap_sz = ARRAY_SIZE(als007_mix);
 724                         }
 725                         break;
 726
 727                 default:
 728                         printk(KERN_WARNING "sb_mixer: Unsupported mixer type %d\n", devc->model);
 729                         return 0;
 730         }
 731
 732         m = sound_alloc_mixerdev();
 733         if (m == -1)
 734                 return 0;
 735
 736         mixer_devs[m] = (struct mixer_operations *)kmalloc(sizeof(struct mixer_operations), GFP_KERNEL);
 737         if (mixer_devs[m] == NULL)
 738         {
 739                 printk(KERN_ERR "sb_mixer: Can't allocate memory\n");
 740                 sound_unload_mixerdev(m);
 741                 return 0;
 742         }
 743
 744         if (devc->submodel != SUBMDL_ALS007)
 745                 memcpy ((char *) mixer_devs[m], (char *) &sb_mixer_operations, sizeof (struct mixer_operations));
 746         else
 747                 memcpy ((char *) mixer_devs[m], (char *) &als007_mixer_operations, sizeof (struct mixer_operations));
 748
 749         mixer_devs[m]->devc = devc;
 750
 751         if (owner)
 752                          mixer_devs[m]->owner = owner;
 753
 754         devc->my_mixerdev = m;
 755         sb_mixer_reset(devc);
 756         return 1;
 757 }
 758
 759 void sb_mixer_unload(sb_devc *devc)
 760 {
 761         if (devc->my_mixerdev == -1)
 762                 return;
 763
 764         kfree(mixer_devs[devc->my_mixerdev]);
 765         sound_unload_mixerdev(devc->my_mixerdev);
 766         sbmixnum--;
 767 }