linux/sound/oss/sb_mixer.c
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   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
  66static mixer_tab sbpro_mix = {
  67MIX_ENT(SOUND_MIXER_VOLUME,     0x22, 7, 4, 0x22, 3, 4),
  68MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
  69MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
  70MIX_ENT(SOUND_MIXER_SYNTH,      0x26, 7, 4, 0x26, 3, 4),
  71MIX_ENT(SOUND_MIXER_PCM,        0x04, 7, 4, 0x04, 3, 4),
  72MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
  73MIX_ENT(SOUND_MIXER_LINE,       0x2e, 7, 4, 0x2e, 3, 4),
  74MIX_ENT(SOUND_MIXER_MIC,        0x0a, 2, 3, 0x00, 0, 0),
  75MIX_ENT(SOUND_MIXER_CD,         0x28, 7, 4, 0x28, 3, 4),
  76MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
  77MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
  78MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0)
  79};
  80
  81static mixer_tab sb16_mix = {
  82MIX_ENT(SOUND_MIXER_VOLUME,     0x30, 7, 5, 0x31, 7, 5),
  83MIX_ENT(SOUND_MIXER_BASS,       0x46, 7, 4, 0x47, 7, 4),
  84MIX_ENT(SOUND_MIXER_TREBLE,     0x44, 7, 4, 0x45, 7, 4),
  85MIX_ENT(SOUND_MIXER_SYNTH,      0x34, 7, 5, 0x35, 7, 5),
  86MIX_ENT(SOUND_MIXER_PCM,        0x32, 7, 5, 0x33, 7, 5),
  87MIX_ENT(SOUND_MIXER_SPEAKER,    0x3b, 7, 2, 0x00, 0, 0),
  88MIX_ENT(SOUND_MIXER_LINE,       0x38, 7, 5, 0x39, 7, 5),
  89MIX_ENT(SOUND_MIXER_MIC,        0x3a, 7, 5, 0x00, 0, 0),
  90MIX_ENT(SOUND_MIXER_CD,         0x36, 7, 5, 0x37, 7, 5),
  91MIX_ENT(SOUND_MIXER_IMIX,       0x3c, 0, 1, 0x00, 0, 0),
  92MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
  93MIX_ENT(SOUND_MIXER_RECLEV,     0x3f, 7, 2, 0x40, 7, 2), /* Obsolete. Use IGAIN */
  94MIX_ENT(SOUND_MIXER_IGAIN,      0x3f, 7, 2, 0x40, 7, 2),
  95MIX_ENT(SOUND_MIXER_OGAIN,      0x41, 7, 2, 0x42, 7, 2)
  96};
  97
  98static mixer_tab als007_mix = 
  99{
 100MIX_ENT(SOUND_MIXER_VOLUME,     0x62, 7, 4, 0x62, 3, 4),
 101MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
 102MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
 103MIX_ENT(SOUND_MIXER_SYNTH,      0x66, 7, 4, 0x66, 3, 4),
 104MIX_ENT(SOUND_MIXER_PCM,        0x64, 7, 4, 0x64, 3, 4),
 105MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
 106MIX_ENT(SOUND_MIXER_LINE,       0x6e, 7, 4, 0x6e, 3, 4),
 107MIX_ENT(SOUND_MIXER_MIC,        0x6a, 2, 3, 0x00, 0, 0),
 108MIX_ENT(SOUND_MIXER_CD,         0x68, 7, 4, 0x68, 3, 4),
 109MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
 110MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
 111MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0), /* Obsolete. Use IGAIN */
 112MIX_ENT(SOUND_MIXER_IGAIN,      0x00, 0, 0, 0x00, 0, 0),
 113MIX_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
 121static 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
 142static 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
 163static 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
 181static 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
 199static 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
 220static int      sbmixnum = 1;
 221
 222static void     sb_mixer_reset(sb_devc * devc);
 223
 224void 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
 229static int detect_mixer(sb_devc * devc)
 230{
 231        /* Just trust the mixer is there */
 232        return 1;
 233}
 234
 235static 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
 249static 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
 256void 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
 273int 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
 314static 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
 355static 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 */
 393static 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
 398static 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
 500static 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
 533static 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
 636static 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
 644static 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
 652static 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
 672int 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
 762void 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}
 771
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