linux/sound/isa/sb/sb_mixer.c
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   1/*
   2 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   3 *  Routines for Sound Blaster mixer control
   4 *
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 *
  20 */
  21
  22#include <asm/io.h>
  23#include <linux/delay.h>
  24#include <linux/time.h>
  25#include <sound/core.h>
  26#include <sound/sb.h>
  27#include <sound/control.h>
  28
  29#undef IO_DEBUG
  30
  31void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data)
  32{
  33        outb(reg, SBP(chip, MIXER_ADDR));
  34        udelay(10);
  35        outb(data, SBP(chip, MIXER_DATA));
  36        udelay(10);
  37#ifdef IO_DEBUG
  38        snd_printk(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
  39#endif
  40}
  41
  42unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg)
  43{
  44        unsigned char result;
  45
  46        outb(reg, SBP(chip, MIXER_ADDR));
  47        udelay(10);
  48        result = inb(SBP(chip, MIXER_DATA));
  49        udelay(10);
  50#ifdef IO_DEBUG
  51        snd_printk(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
  52#endif
  53        return result;
  54}
  55
  56/*
  57 * Single channel mixer element
  58 */
  59
  60static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  61{
  62        int mask = (kcontrol->private_value >> 24) & 0xff;
  63
  64        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
  65        uinfo->count = 1;
  66        uinfo->value.integer.min = 0;
  67        uinfo->value.integer.max = mask;
  68        return 0;
  69}
  70
  71static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  72{
  73        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
  74        unsigned long flags;
  75        int reg = kcontrol->private_value & 0xff;
  76        int shift = (kcontrol->private_value >> 16) & 0xff;
  77        int mask = (kcontrol->private_value >> 24) & 0xff;
  78        unsigned char val;
  79
  80        spin_lock_irqsave(&sb->mixer_lock, flags);
  81        val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
  82        spin_unlock_irqrestore(&sb->mixer_lock, flags);
  83        ucontrol->value.integer.value[0] = val;
  84        return 0;
  85}
  86
  87static int snd_sbmixer_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  88{
  89        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
  90        unsigned long flags;
  91        int reg = kcontrol->private_value & 0xff;
  92        int shift = (kcontrol->private_value >> 16) & 0x07;
  93        int mask = (kcontrol->private_value >> 24) & 0xff;
  94        int change;
  95        unsigned char val, oval;
  96
  97        val = (ucontrol->value.integer.value[0] & mask) << shift;
  98        spin_lock_irqsave(&sb->mixer_lock, flags);
  99        oval = snd_sbmixer_read(sb, reg);
 100        val = (oval & ~(mask << shift)) | val;
 101        change = val != oval;
 102        if (change)
 103                snd_sbmixer_write(sb, reg, val);
 104        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 105        return change;
 106}
 107
 108/*
 109 * Double channel mixer element
 110 */
 111
 112static int snd_sbmixer_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 113{
 114        int mask = (kcontrol->private_value >> 24) & 0xff;
 115
 116        uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 117        uinfo->count = 2;
 118        uinfo->value.integer.min = 0;
 119        uinfo->value.integer.max = mask;
 120        return 0;
 121}
 122
 123static int snd_sbmixer_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 124{
 125        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 126        unsigned long flags;
 127        int left_reg = kcontrol->private_value & 0xff;
 128        int right_reg = (kcontrol->private_value >> 8) & 0xff;
 129        int left_shift = (kcontrol->private_value >> 16) & 0x07;
 130        int right_shift = (kcontrol->private_value >> 19) & 0x07;
 131        int mask = (kcontrol->private_value >> 24) & 0xff;
 132        unsigned char left, right;
 133
 134        spin_lock_irqsave(&sb->mixer_lock, flags);
 135        left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
 136        right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
 137        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 138        ucontrol->value.integer.value[0] = left;
 139        ucontrol->value.integer.value[1] = right;
 140        return 0;
 141}
 142
 143static int snd_sbmixer_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 144{
 145        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 146        unsigned long flags;
 147        int left_reg = kcontrol->private_value & 0xff;
 148        int right_reg = (kcontrol->private_value >> 8) & 0xff;
 149        int left_shift = (kcontrol->private_value >> 16) & 0x07;
 150        int right_shift = (kcontrol->private_value >> 19) & 0x07;
 151        int mask = (kcontrol->private_value >> 24) & 0xff;
 152        int change;
 153        unsigned char left, right, oleft, oright;
 154
 155        left = (ucontrol->value.integer.value[0] & mask) << left_shift;
 156        right = (ucontrol->value.integer.value[1] & mask) << right_shift;
 157        spin_lock_irqsave(&sb->mixer_lock, flags);
 158        if (left_reg == right_reg) {
 159                oleft = snd_sbmixer_read(sb, left_reg);
 160                left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
 161                change = left != oleft;
 162                if (change)
 163                        snd_sbmixer_write(sb, left_reg, left);
 164        } else {
 165                oleft = snd_sbmixer_read(sb, left_reg);
 166                oright = snd_sbmixer_read(sb, right_reg);
 167                left = (oleft & ~(mask << left_shift)) | left;
 168                right = (oright & ~(mask << right_shift)) | right;
 169                change = left != oleft || right != oright;
 170                if (change) {
 171                        snd_sbmixer_write(sb, left_reg, left);
 172                        snd_sbmixer_write(sb, right_reg, right);
 173                }
 174        }
 175        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 176        return change;
 177}
 178
 179/*
 180 * DT-019x / ALS-007 capture/input switch
 181 */
 182
 183static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 184{
 185        static const char *texts[5] = {
 186                "CD", "Mic", "Line", "Synth", "Master"
 187        };
 188
 189        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 190        uinfo->count = 1;
 191        uinfo->value.enumerated.items = 5;
 192        if (uinfo->value.enumerated.item > 4)
 193                uinfo->value.enumerated.item = 4;
 194        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 195        return 0;
 196}
 197
 198static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 199{
 200        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 201        unsigned long flags;
 202        unsigned char oval;
 203        
 204        spin_lock_irqsave(&sb->mixer_lock, flags);
 205        oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
 206        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 207        switch (oval & 0x07) {
 208        case SB_DT019X_CAP_CD:
 209                ucontrol->value.enumerated.item[0] = 0;
 210                break;
 211        case SB_DT019X_CAP_MIC:
 212                ucontrol->value.enumerated.item[0] = 1;
 213                break;
 214        case SB_DT019X_CAP_LINE:
 215                ucontrol->value.enumerated.item[0] = 2;
 216                break;
 217        case SB_DT019X_CAP_MAIN:
 218                ucontrol->value.enumerated.item[0] = 4;
 219                break;
 220        /* To record the synth on these cards you must record the main.   */
 221        /* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
 222        /* duplicate case labels if left uncommented. */
 223        /* case SB_DT019X_CAP_SYNTH:
 224         *      ucontrol->value.enumerated.item[0] = 3;
 225         *      break;
 226         */
 227        default:
 228                ucontrol->value.enumerated.item[0] = 4;
 229                break;
 230        }
 231        return 0;
 232}
 233
 234static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 235{
 236        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 237        unsigned long flags;
 238        int change;
 239        unsigned char nval, oval;
 240        
 241        if (ucontrol->value.enumerated.item[0] > 4)
 242                return -EINVAL;
 243        switch (ucontrol->value.enumerated.item[0]) {
 244        case 0:
 245                nval = SB_DT019X_CAP_CD;
 246                break;
 247        case 1:
 248                nval = SB_DT019X_CAP_MIC;
 249                break;
 250        case 2:
 251                nval = SB_DT019X_CAP_LINE;
 252                break;
 253        case 3:
 254                nval = SB_DT019X_CAP_SYNTH;
 255                break;
 256        case 4:
 257                nval = SB_DT019X_CAP_MAIN;
 258                break;
 259        default:
 260                nval = SB_DT019X_CAP_MAIN;
 261        }
 262        spin_lock_irqsave(&sb->mixer_lock, flags);
 263        oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
 264        change = nval != oval;
 265        if (change)
 266                snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
 267        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 268        return change;
 269}
 270
 271/*
 272 * ALS4000 mono recording control switch
 273 */
 274
 275static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
 276                                             struct snd_ctl_elem_info *uinfo)
 277{
 278        static const char *texts[3] = {
 279                "L chan only", "R chan only", "L ch/2 + R ch/2"
 280        };
 281
 282        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 283        uinfo->count = 1;
 284        uinfo->value.enumerated.items = 3;
 285        if (uinfo->value.enumerated.item > 2)
 286                uinfo->value.enumerated.item = 2;
 287        strcpy(uinfo->value.enumerated.name,
 288               texts[uinfo->value.enumerated.item]);
 289        return 0;
 290}
 291
 292static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
 293                                struct snd_ctl_elem_value *ucontrol)
 294{
 295        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 296        unsigned long flags;
 297        unsigned char oval;
 298
 299        spin_lock_irqsave(&sb->mixer_lock, flags);
 300        oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
 301        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 302        oval >>= 6;
 303        if (oval > 2)
 304                oval = 2;
 305
 306        ucontrol->value.enumerated.item[0] = oval;
 307        return 0;
 308}
 309
 310static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
 311                                struct snd_ctl_elem_value *ucontrol)
 312{
 313        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 314        unsigned long flags;
 315        int change;
 316        unsigned char nval, oval;
 317
 318        if (ucontrol->value.enumerated.item[0] > 2)
 319                return -EINVAL;
 320        spin_lock_irqsave(&sb->mixer_lock, flags);
 321        oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
 322
 323        nval = (oval & ~(3 << 6))
 324             | (ucontrol->value.enumerated.item[0] << 6);
 325        change = nval != oval;
 326        if (change)
 327                snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
 328        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 329        return change;
 330}
 331
 332/*
 333 * SBPRO input multiplexer
 334 */
 335
 336static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 337{
 338        static const char *texts[3] = {
 339                "Mic", "CD", "Line"
 340        };
 341
 342        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 343        uinfo->count = 1;
 344        uinfo->value.enumerated.items = 3;
 345        if (uinfo->value.enumerated.item > 2)
 346                uinfo->value.enumerated.item = 2;
 347        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 348        return 0;
 349}
 350
 351
 352static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 353{
 354        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 355        unsigned long flags;
 356        unsigned char oval;
 357        
 358        spin_lock_irqsave(&sb->mixer_lock, flags);
 359        oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
 360        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 361        switch ((oval >> 0x01) & 0x03) {
 362        case SB_DSP_MIXS_CD:
 363                ucontrol->value.enumerated.item[0] = 1;
 364                break;
 365        case SB_DSP_MIXS_LINE:
 366                ucontrol->value.enumerated.item[0] = 2;
 367                break;
 368        default:
 369                ucontrol->value.enumerated.item[0] = 0;
 370                break;
 371        }
 372        return 0;
 373}
 374
 375static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 376{
 377        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 378        unsigned long flags;
 379        int change;
 380        unsigned char nval, oval;
 381        
 382        if (ucontrol->value.enumerated.item[0] > 2)
 383                return -EINVAL;
 384        switch (ucontrol->value.enumerated.item[0]) {
 385        case 1:
 386                nval = SB_DSP_MIXS_CD;
 387                break;
 388        case 2:
 389                nval = SB_DSP_MIXS_LINE;
 390                break;
 391        default:
 392                nval = SB_DSP_MIXS_MIC;
 393        }
 394        nval <<= 1;
 395        spin_lock_irqsave(&sb->mixer_lock, flags);
 396        oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
 397        nval |= oval & ~0x06;
 398        change = nval != oval;
 399        if (change)
 400                snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
 401        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 402        return change;
 403}
 404
 405/*
 406 * SB16 input switch
 407 */
 408
 409static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 410{
 411        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 412        uinfo->count = 4;
 413        uinfo->value.integer.min = 0;
 414        uinfo->value.integer.max = 1;
 415        return 0;
 416}
 417
 418static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 419{
 420        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 421        unsigned long flags;
 422        int reg1 = kcontrol->private_value & 0xff;
 423        int reg2 = (kcontrol->private_value >> 8) & 0xff;
 424        int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 425        int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 426        unsigned char val1, val2;
 427
 428        spin_lock_irqsave(&sb->mixer_lock, flags);
 429        val1 = snd_sbmixer_read(sb, reg1);
 430        val2 = snd_sbmixer_read(sb, reg2);
 431        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 432        ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
 433        ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
 434        ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
 435        ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
 436        return 0;
 437}                                                                                                                   
 438
 439static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 440{
 441        struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 442        unsigned long flags;
 443        int reg1 = kcontrol->private_value & 0xff;
 444        int reg2 = (kcontrol->private_value >> 8) & 0xff;
 445        int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 446        int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 447        int change;
 448        unsigned char val1, val2, oval1, oval2;
 449
 450        spin_lock_irqsave(&sb->mixer_lock, flags);
 451        oval1 = snd_sbmixer_read(sb, reg1);
 452        oval2 = snd_sbmixer_read(sb, reg2);
 453        val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
 454        val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
 455        val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
 456        val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
 457        val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
 458        val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
 459        change = val1 != oval1 || val2 != oval2;
 460        if (change) {
 461                snd_sbmixer_write(sb, reg1, val1);
 462                snd_sbmixer_write(sb, reg2, val2);
 463        }
 464        spin_unlock_irqrestore(&sb->mixer_lock, flags);
 465        return change;
 466}
 467
 468
 469/*
 470 */
 471/*
 472 */
 473int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
 474{
 475        static struct snd_kcontrol_new newctls[] = {
 476                [SB_MIX_SINGLE] = {
 477                        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 478                        .info = snd_sbmixer_info_single,
 479                        .get = snd_sbmixer_get_single,
 480                        .put = snd_sbmixer_put_single,
 481                },
 482                [SB_MIX_DOUBLE] = {
 483                        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 484                        .info = snd_sbmixer_info_double,
 485                        .get = snd_sbmixer_get_double,
 486                        .put = snd_sbmixer_put_double,
 487                },
 488                [SB_MIX_INPUT_SW] = {
 489                        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 490                        .info = snd_sb16mixer_info_input_sw,
 491                        .get = snd_sb16mixer_get_input_sw,
 492                        .put = snd_sb16mixer_put_input_sw,
 493                },
 494                [SB_MIX_CAPTURE_PRO] = {
 495                        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 496                        .info = snd_sb8mixer_info_mux,
 497                        .get = snd_sb8mixer_get_mux,
 498                        .put = snd_sb8mixer_put_mux,
 499                },
 500                [SB_MIX_CAPTURE_DT019X] = {
 501                        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 502                        .info = snd_dt019x_input_sw_info,
 503                        .get = snd_dt019x_input_sw_get,
 504                        .put = snd_dt019x_input_sw_put,
 505                },
 506                [SB_MIX_MONO_CAPTURE_ALS4K] = {
 507                        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 508                        .info = snd_als4k_mono_capture_route_info,
 509                        .get = snd_als4k_mono_capture_route_get,
 510                        .put = snd_als4k_mono_capture_route_put,
 511                },
 512        };
 513        struct snd_kcontrol *ctl;
 514        int err;
 515
 516        ctl = snd_ctl_new1(&newctls[type], chip);
 517        if (! ctl)
 518                return -ENOMEM;
 519        strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
 520        ctl->id.index = index;
 521        ctl->private_value = value;
 522        if ((err = snd_ctl_add(chip->card, ctl)) < 0)
 523                return err;
 524        return 0;
 525}
 526
 527/*
 528 * SB 2.0 specific mixer elements
 529 */
 530
 531static struct sbmix_elem snd_sb20_ctl_master_play_vol =
 532        SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7);
 533static struct sbmix_elem snd_sb20_ctl_pcm_play_vol =
 534        SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3);
 535static struct sbmix_elem snd_sb20_ctl_synth_play_vol =
 536        SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7);
 537static struct sbmix_elem snd_sb20_ctl_cd_play_vol =
 538        SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7);
 539
 540static struct sbmix_elem *snd_sb20_controls[] = {
 541        &snd_sb20_ctl_master_play_vol,
 542        &snd_sb20_ctl_pcm_play_vol,
 543        &snd_sb20_ctl_synth_play_vol,
 544        &snd_sb20_ctl_cd_play_vol
 545};
 546
 547static unsigned char snd_sb20_init_values[][2] = {
 548        { SB_DSP20_MASTER_DEV, 0 },
 549        { SB_DSP20_FM_DEV, 0 },
 550};
 551
 552/*
 553 * SB Pro specific mixer elements
 554 */
 555static struct sbmix_elem snd_sbpro_ctl_master_play_vol =
 556        SB_DOUBLE("Master Playback Volume", SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7);
 557static struct sbmix_elem snd_sbpro_ctl_pcm_play_vol =
 558        SB_DOUBLE("PCM Playback Volume", SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7);
 559static struct sbmix_elem snd_sbpro_ctl_pcm_play_filter =
 560        SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1);
 561static struct sbmix_elem snd_sbpro_ctl_synth_play_vol =
 562        SB_DOUBLE("Synth Playback Volume", SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7);
 563static struct sbmix_elem snd_sbpro_ctl_cd_play_vol =
 564        SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7);
 565static struct sbmix_elem snd_sbpro_ctl_line_play_vol =
 566        SB_DOUBLE("Line Playback Volume", SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7);
 567static struct sbmix_elem snd_sbpro_ctl_mic_play_vol =
 568        SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3);
 569static struct sbmix_elem snd_sbpro_ctl_capture_source =
 570        {
 571                .name = "Capture Source",
 572                .type = SB_MIX_CAPTURE_PRO
 573        };
 574static struct sbmix_elem snd_sbpro_ctl_capture_filter =
 575        SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1);
 576static struct sbmix_elem snd_sbpro_ctl_capture_low_filter =
 577        SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1);
 578
 579static struct sbmix_elem *snd_sbpro_controls[] = {
 580        &snd_sbpro_ctl_master_play_vol,
 581        &snd_sbpro_ctl_pcm_play_vol,
 582        &snd_sbpro_ctl_pcm_play_filter,
 583        &snd_sbpro_ctl_synth_play_vol,
 584        &snd_sbpro_ctl_cd_play_vol,
 585        &snd_sbpro_ctl_line_play_vol,
 586        &snd_sbpro_ctl_mic_play_vol,
 587        &snd_sbpro_ctl_capture_source,
 588        &snd_sbpro_ctl_capture_filter,
 589        &snd_sbpro_ctl_capture_low_filter
 590};
 591
 592static unsigned char snd_sbpro_init_values[][2] = {
 593        { SB_DSP_MASTER_DEV, 0 },
 594        { SB_DSP_PCM_DEV, 0 },
 595        { SB_DSP_FM_DEV, 0 },
 596};
 597
 598/*
 599 * SB16 specific mixer elements
 600 */
 601static struct sbmix_elem snd_sb16_ctl_master_play_vol =
 602        SB_DOUBLE("Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31);
 603static struct sbmix_elem snd_sb16_ctl_3d_enhance_switch =
 604        SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1);
 605static struct sbmix_elem snd_sb16_ctl_tone_bass =
 606        SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15);
 607static struct sbmix_elem snd_sb16_ctl_tone_treble =
 608        SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15);
 609static struct sbmix_elem snd_sb16_ctl_pcm_play_vol =
 610        SB_DOUBLE("PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31);
 611static struct sbmix_elem snd_sb16_ctl_synth_capture_route =
 612        SB16_INPUT_SW("Synth Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5);
 613static struct sbmix_elem snd_sb16_ctl_synth_play_vol =
 614        SB_DOUBLE("Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31);
 615static struct sbmix_elem snd_sb16_ctl_cd_capture_route =
 616        SB16_INPUT_SW("CD Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1);
 617static struct sbmix_elem snd_sb16_ctl_cd_play_switch =
 618        SB_DOUBLE("CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1);
 619static struct sbmix_elem snd_sb16_ctl_cd_play_vol =
 620        SB_DOUBLE("CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31);
 621static struct sbmix_elem snd_sb16_ctl_line_capture_route =
 622        SB16_INPUT_SW("Line Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3);
 623static struct sbmix_elem snd_sb16_ctl_line_play_switch =
 624        SB_DOUBLE("Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1);
 625static struct sbmix_elem snd_sb16_ctl_line_play_vol =
 626        SB_DOUBLE("Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31);
 627static struct sbmix_elem snd_sb16_ctl_mic_capture_route =
 628        SB16_INPUT_SW("Mic Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0);
 629static struct sbmix_elem snd_sb16_ctl_mic_play_switch =
 630        SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1);
 631static struct sbmix_elem snd_sb16_ctl_mic_play_vol =
 632        SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31);
 633static struct sbmix_elem snd_sb16_ctl_pc_speaker_vol =
 634        SB_SINGLE("PC Speaker Volume", SB_DSP4_SPEAKER_DEV, 6, 3);
 635static struct sbmix_elem snd_sb16_ctl_capture_vol =
 636        SB_DOUBLE("Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3);
 637static struct sbmix_elem snd_sb16_ctl_play_vol =
 638        SB_DOUBLE("Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3);
 639static struct sbmix_elem snd_sb16_ctl_auto_mic_gain =
 640        SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1);
 641
 642static struct sbmix_elem *snd_sb16_controls[] = {
 643        &snd_sb16_ctl_master_play_vol,
 644        &snd_sb16_ctl_3d_enhance_switch,
 645        &snd_sb16_ctl_tone_bass,
 646        &snd_sb16_ctl_tone_treble,
 647        &snd_sb16_ctl_pcm_play_vol,
 648        &snd_sb16_ctl_synth_capture_route,
 649        &snd_sb16_ctl_synth_play_vol,
 650        &snd_sb16_ctl_cd_capture_route,
 651        &snd_sb16_ctl_cd_play_switch,
 652        &snd_sb16_ctl_cd_play_vol,
 653        &snd_sb16_ctl_line_capture_route,
 654        &snd_sb16_ctl_line_play_switch,
 655        &snd_sb16_ctl_line_play_vol,
 656        &snd_sb16_ctl_mic_capture_route,
 657        &snd_sb16_ctl_mic_play_switch,
 658        &snd_sb16_ctl_mic_play_vol,
 659        &snd_sb16_ctl_pc_speaker_vol,
 660        &snd_sb16_ctl_capture_vol,
 661        &snd_sb16_ctl_play_vol,
 662        &snd_sb16_ctl_auto_mic_gain
 663};
 664
 665static unsigned char snd_sb16_init_values[][2] = {
 666        { SB_DSP4_MASTER_DEV + 0, 0 },
 667        { SB_DSP4_MASTER_DEV + 1, 0 },
 668        { SB_DSP4_PCM_DEV + 0, 0 },
 669        { SB_DSP4_PCM_DEV + 1, 0 },
 670        { SB_DSP4_SYNTH_DEV + 0, 0 },
 671        { SB_DSP4_SYNTH_DEV + 1, 0 },
 672        { SB_DSP4_INPUT_LEFT, 0 },
 673        { SB_DSP4_INPUT_RIGHT, 0 },
 674        { SB_DSP4_OUTPUT_SW, 0 },
 675        { SB_DSP4_SPEAKER_DEV, 0 },
 676};
 677
 678/*
 679 * DT019x specific mixer elements
 680 */
 681static struct sbmix_elem snd_dt019x_ctl_master_play_vol =
 682        SB_DOUBLE("Master Playback Volume", SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4,0, 15);
 683static struct sbmix_elem snd_dt019x_ctl_pcm_play_vol =
 684        SB_DOUBLE("PCM Playback Volume", SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4,0, 15);
 685static struct sbmix_elem snd_dt019x_ctl_synth_play_vol =
 686        SB_DOUBLE("Synth Playback Volume", SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4,0, 15);
 687static struct sbmix_elem snd_dt019x_ctl_cd_play_vol =
 688        SB_DOUBLE("CD Playback Volume", SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4,0, 15);
 689static struct sbmix_elem snd_dt019x_ctl_mic_play_vol =
 690        SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7);
 691static struct sbmix_elem snd_dt019x_ctl_pc_speaker_vol =
 692        SB_SINGLE("PC Speaker Volume", SB_DT019X_SPKR_DEV, 0,  7);
 693static struct sbmix_elem snd_dt019x_ctl_line_play_vol =
 694        SB_DOUBLE("Line Playback Volume", SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4,0, 15);
 695static struct sbmix_elem snd_dt019x_ctl_pcm_play_switch =
 696        SB_DOUBLE("PCM Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2,1, 1);
 697static struct sbmix_elem snd_dt019x_ctl_synth_play_switch =
 698        SB_DOUBLE("Synth Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4,3, 1);
 699static struct sbmix_elem snd_dt019x_ctl_capture_source =
 700        {
 701                .name = "Capture Source",
 702                .type = SB_MIX_CAPTURE_DT019X
 703        };
 704
 705static struct sbmix_elem *snd_dt019x_controls[] = {
 706        /* ALS4000 below has some parts which we might be lacking,
 707         * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
 708        &snd_dt019x_ctl_master_play_vol,
 709        &snd_dt019x_ctl_pcm_play_vol,
 710        &snd_dt019x_ctl_synth_play_vol,
 711        &snd_dt019x_ctl_cd_play_vol,
 712        &snd_dt019x_ctl_mic_play_vol,
 713        &snd_dt019x_ctl_pc_speaker_vol,
 714        &snd_dt019x_ctl_line_play_vol,
 715        &snd_sb16_ctl_mic_play_switch,
 716        &snd_sb16_ctl_cd_play_switch,
 717        &snd_sb16_ctl_line_play_switch,
 718        &snd_dt019x_ctl_pcm_play_switch,
 719        &snd_dt019x_ctl_synth_play_switch,
 720        &snd_dt019x_ctl_capture_source
 721};
 722
 723static unsigned char snd_dt019x_init_values[][2] = {
 724        { SB_DT019X_MASTER_DEV, 0 },
 725        { SB_DT019X_PCM_DEV, 0 },
 726        { SB_DT019X_SYNTH_DEV, 0 },
 727        { SB_DT019X_CD_DEV, 0 },
 728        { SB_DT019X_MIC_DEV, 0 },       /* Includes PC-speaker in high nibble */
 729        { SB_DT019X_LINE_DEV, 0 },
 730        { SB_DSP4_OUTPUT_SW, 0 },
 731        { SB_DT019X_OUTPUT_SW2, 0 },
 732        { SB_DT019X_CAPTURE_SW, 0x06 },
 733};
 734
 735/*
 736 * ALS4000 specific mixer elements
 737 */
 738static struct sbmix_elem snd_als4000_ctl_master_mono_playback_switch =
 739        SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1);
 740static struct sbmix_elem snd_als4k_ctl_master_mono_capture_route = {
 741                .name = "Master Mono Capture Route",
 742                .type = SB_MIX_MONO_CAPTURE_ALS4K
 743        };
 744static struct sbmix_elem snd_als4000_ctl_mono_playback_switch =
 745        SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1);
 746static struct sbmix_elem snd_als4000_ctl_mic_20db_boost =
 747        SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03);
 748static struct sbmix_elem snd_als4000_ctl_mixer_analog_loopback =
 749        SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01);
 750static struct sbmix_elem snd_als4000_ctl_mixer_digital_loopback =
 751        SB_SINGLE("Digital Loopback Switch",
 752                  SB_ALS4000_CR3_CONFIGURATION, 7, 0x01);
 753/* FIXME: functionality of 3D controls might be swapped, I didn't find
 754 * a description of how to identify what is supposed to be what */
 755static struct sbmix_elem snd_als4000_3d_control_switch =
 756        SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01);
 757static struct sbmix_elem snd_als4000_3d_control_ratio =
 758        SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07);
 759static struct sbmix_elem snd_als4000_3d_control_freq =
 760        /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
 761        SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03);
 762static struct sbmix_elem snd_als4000_3d_control_delay =
 763        /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
 764         * but what ALSA 3D attribute is that actually? "Center", "Depth",
 765         * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
 766        SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f);
 767static struct sbmix_elem snd_als4000_3d_control_poweroff_switch =
 768        SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01);
 769static struct sbmix_elem snd_als4000_ctl_3db_freq_control_switch =
 770        SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
 771                  SB_ALS4000_FMDAC, 5, 0x01);
 772#ifdef NOT_AVAILABLE
 773static struct sbmix_elem snd_als4000_ctl_fmdac =
 774        SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01);
 775static struct sbmix_elem snd_als4000_ctl_qsound =
 776        SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f);
 777#endif
 778
 779static struct sbmix_elem *snd_als4000_controls[] = {
 780                                                /* ALS4000a.PDF regs page */
 781        &snd_sb16_ctl_master_play_vol,          /* MX30/31 12 */
 782        &snd_dt019x_ctl_pcm_play_switch,        /* MX4C    16 */
 783        &snd_sb16_ctl_pcm_play_vol,             /* MX32/33 12 */
 784        &snd_sb16_ctl_synth_capture_route,      /* MX3D/3E 14 */
 785        &snd_dt019x_ctl_synth_play_switch,      /* MX4C    16 */
 786        &snd_sb16_ctl_synth_play_vol,           /* MX34/35 12/13 */
 787        &snd_sb16_ctl_cd_capture_route,         /* MX3D/3E 14 */
 788        &snd_sb16_ctl_cd_play_switch,           /* MX3C    14 */
 789        &snd_sb16_ctl_cd_play_vol,              /* MX36/37 13 */
 790        &snd_sb16_ctl_line_capture_route,       /* MX3D/3E 14 */
 791        &snd_sb16_ctl_line_play_switch,         /* MX3C    14 */
 792        &snd_sb16_ctl_line_play_vol,            /* MX38/39 13 */
 793        &snd_sb16_ctl_mic_capture_route,        /* MX3D/3E 14 */
 794        &snd_als4000_ctl_mic_20db_boost,        /* MX4D    16 */
 795        &snd_sb16_ctl_mic_play_switch,          /* MX3C    14 */
 796        &snd_sb16_ctl_mic_play_vol,             /* MX3A    13 */
 797        &snd_sb16_ctl_pc_speaker_vol,           /* MX3B    14 */
 798        &snd_sb16_ctl_capture_vol,              /* MX3F/40 15 */
 799        &snd_sb16_ctl_play_vol,                 /* MX41/42 15 */
 800        &snd_als4000_ctl_master_mono_playback_switch, /* MX4C 16 */
 801        &snd_als4k_ctl_master_mono_capture_route, /* MX4B  16 */
 802        &snd_als4000_ctl_mono_playback_switch,  /* MX4C    16 */
 803        &snd_als4000_ctl_mixer_analog_loopback, /* MX4D    16 */
 804        &snd_als4000_ctl_mixer_digital_loopback, /* CR3    21 */
 805        &snd_als4000_3d_control_switch,          /* MX50   17 */
 806        &snd_als4000_3d_control_ratio,           /* MX50   17 */
 807        &snd_als4000_3d_control_freq,            /* MX50   17 */
 808        &snd_als4000_3d_control_delay,           /* MX51   18 */
 809        &snd_als4000_3d_control_poweroff_switch,        /* MX51    18 */
 810        &snd_als4000_ctl_3db_freq_control_switch,       /* MX4F    17 */
 811#ifdef NOT_AVAILABLE
 812        &snd_als4000_ctl_fmdac,
 813        &snd_als4000_ctl_qsound,
 814#endif
 815};
 816
 817static unsigned char snd_als4000_init_values[][2] = {
 818        { SB_DSP4_MASTER_DEV + 0, 0 },
 819        { SB_DSP4_MASTER_DEV + 1, 0 },
 820        { SB_DSP4_PCM_DEV + 0, 0 },
 821        { SB_DSP4_PCM_DEV + 1, 0 },
 822        { SB_DSP4_SYNTH_DEV + 0, 0 },
 823        { SB_DSP4_SYNTH_DEV + 1, 0 },
 824        { SB_DSP4_SPEAKER_DEV, 0 },
 825        { SB_DSP4_OUTPUT_SW, 0 },
 826        { SB_DSP4_INPUT_LEFT, 0 },
 827        { SB_DSP4_INPUT_RIGHT, 0 },
 828        { SB_DT019X_OUTPUT_SW2, 0 },
 829        { SB_ALS4000_MIC_IN_GAIN, 0 },
 830};
 831
 832
 833/*
 834 */
 835static int snd_sbmixer_init(struct snd_sb *chip,
 836                            struct sbmix_elem **controls,
 837                            int controls_count,
 838                            unsigned char map[][2],
 839                            int map_count,
 840                            char *name)
 841{
 842        unsigned long flags;
 843        struct snd_card *card = chip->card;
 844        int idx, err;
 845
 846        /* mixer reset */
 847        spin_lock_irqsave(&chip->mixer_lock, flags);
 848        snd_sbmixer_write(chip, 0x00, 0x00);
 849        spin_unlock_irqrestore(&chip->mixer_lock, flags);
 850
 851        /* mute and zero volume channels */
 852        for (idx = 0; idx < map_count; idx++) {
 853                spin_lock_irqsave(&chip->mixer_lock, flags);
 854                snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
 855                spin_unlock_irqrestore(&chip->mixer_lock, flags);
 856        }
 857
 858        for (idx = 0; idx < controls_count; idx++) {
 859                if ((err = snd_sbmixer_add_ctl_elem(chip, controls[idx])) < 0)
 860                        return err;
 861        }
 862        snd_component_add(card, name);
 863        strcpy(card->mixername, name);
 864        return 0;
 865}
 866
 867int snd_sbmixer_new(struct snd_sb *chip)
 868{
 869        struct snd_card *card;
 870        int err;
 871
 872        if (snd_BUG_ON(!chip || !chip->card))
 873                return -EINVAL;
 874
 875        card = chip->card;
 876
 877        switch (chip->hardware) {
 878        case SB_HW_10:
 879                return 0; /* no mixer chip on SB1.x */
 880        case SB_HW_20:
 881        case SB_HW_201:
 882                if ((err = snd_sbmixer_init(chip,
 883                                            snd_sb20_controls,
 884                                            ARRAY_SIZE(snd_sb20_controls),
 885                                            snd_sb20_init_values,
 886                                            ARRAY_SIZE(snd_sb20_init_values),
 887                                            "CTL1335")) < 0)
 888                        return err;
 889                break;
 890        case SB_HW_PRO:
 891                if ((err = snd_sbmixer_init(chip,
 892                                            snd_sbpro_controls,
 893                                            ARRAY_SIZE(snd_sbpro_controls),
 894                                            snd_sbpro_init_values,
 895                                            ARRAY_SIZE(snd_sbpro_init_values),
 896                                            "CTL1345")) < 0)
 897                        return err;
 898                break;
 899        case SB_HW_16:
 900        case SB_HW_ALS100:
 901        case SB_HW_CS5530:
 902                if ((err = snd_sbmixer_init(chip,
 903                                            snd_sb16_controls,
 904                                            ARRAY_SIZE(snd_sb16_controls),
 905                                            snd_sb16_init_values,
 906                                            ARRAY_SIZE(snd_sb16_init_values),
 907                                            "CTL1745")) < 0)
 908                        return err;
 909                break;
 910        case SB_HW_ALS4000:
 911                if ((err = snd_sbmixer_init(chip,
 912                                            snd_als4000_controls,
 913                                            ARRAY_SIZE(snd_als4000_controls),
 914                                            snd_als4000_init_values,
 915                                            ARRAY_SIZE(snd_als4000_init_values),
 916                                            "ALS4000")) < 0)
 917                        return err;
 918                break;
 919        case SB_HW_DT019X:
 920                if ((err = snd_sbmixer_init(chip,
 921                                            snd_dt019x_controls,
 922                                            ARRAY_SIZE(snd_dt019x_controls),
 923                                            snd_dt019x_init_values,
 924                                            ARRAY_SIZE(snd_dt019x_init_values),
 925                                            "DT019X")) < 0)
 926                break;
 927        default:
 928                strcpy(card->mixername, "???");
 929        }
 930        return 0;
 931}
 932
 933#ifdef CONFIG_PM
 934static unsigned char sb20_saved_regs[] = {
 935        SB_DSP20_MASTER_DEV,
 936        SB_DSP20_PCM_DEV,
 937        SB_DSP20_FM_DEV,
 938        SB_DSP20_CD_DEV,
 939};
 940
 941static unsigned char sbpro_saved_regs[] = {
 942        SB_DSP_MASTER_DEV,
 943        SB_DSP_PCM_DEV,
 944        SB_DSP_PLAYBACK_FILT,
 945        SB_DSP_FM_DEV,
 946        SB_DSP_CD_DEV,
 947        SB_DSP_LINE_DEV,
 948        SB_DSP_MIC_DEV,
 949        SB_DSP_CAPTURE_SOURCE,
 950        SB_DSP_CAPTURE_FILT,
 951};
 952
 953static unsigned char sb16_saved_regs[] = {
 954        SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
 955        SB_DSP4_3DSE,
 956        SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
 957        SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
 958        SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
 959        SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
 960        SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
 961        SB_DSP4_OUTPUT_SW,
 962        SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
 963        SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
 964        SB_DSP4_MIC_DEV,
 965        SB_DSP4_SPEAKER_DEV,
 966        SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
 967        SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
 968        SB_DSP4_MIC_AGC
 969};
 970
 971static unsigned char dt019x_saved_regs[] = {
 972        SB_DT019X_MASTER_DEV,
 973        SB_DT019X_PCM_DEV,
 974        SB_DT019X_SYNTH_DEV,
 975        SB_DT019X_CD_DEV,
 976        SB_DT019X_MIC_DEV,
 977        SB_DT019X_SPKR_DEV,
 978        SB_DT019X_LINE_DEV,
 979        SB_DSP4_OUTPUT_SW,
 980        SB_DT019X_OUTPUT_SW2,
 981        SB_DT019X_CAPTURE_SW,
 982};
 983
 984static unsigned char als4000_saved_regs[] = {
 985        /* please verify in dsheet whether regs to be added
 986           are actually real H/W or just dummy */
 987        SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
 988        SB_DSP4_OUTPUT_SW,
 989        SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
 990        SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
 991        SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
 992        SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
 993        SB_DSP4_MIC_DEV,
 994        SB_DSP4_SPEAKER_DEV,
 995        SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
 996        SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
 997        SB_DT019X_OUTPUT_SW2,
 998        SB_ALS4000_MONO_IO_CTRL,
 999        SB_ALS4000_MIC_IN_GAIN,
1000        SB_ALS4000_FMDAC,
1001        SB_ALS4000_3D_SND_FX,
1002        SB_ALS4000_3D_TIME_DELAY,
1003        SB_ALS4000_CR3_CONFIGURATION,
1004};
1005
1006static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
1007{
1008        unsigned char *val = chip->saved_regs;
1009        if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
1010                return;
1011        for (; num_regs; num_regs--)
1012                *val++ = snd_sbmixer_read(chip, *regs++);
1013}
1014
1015static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
1016{
1017        unsigned char *val = chip->saved_regs;
1018        if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
1019                return;
1020        for (; num_regs; num_regs--)
1021                snd_sbmixer_write(chip, *regs++, *val++);
1022}
1023
1024void snd_sbmixer_suspend(struct snd_sb *chip)
1025{
1026        switch (chip->hardware) {
1027        case SB_HW_20:
1028        case SB_HW_201:
1029                save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
1030                break;
1031        case SB_HW_PRO:
1032                save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
1033                break;
1034        case SB_HW_16:
1035        case SB_HW_ALS100:
1036        case SB_HW_CS5530:
1037                save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
1038                break;
1039        case SB_HW_ALS4000:
1040                save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
1041                break;
1042        case SB_HW_DT019X:
1043                save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
1044                break;
1045        default:
1046                break;
1047        }
1048}
1049
1050void snd_sbmixer_resume(struct snd_sb *chip)
1051{
1052        switch (chip->hardware) {
1053        case SB_HW_20:
1054        case SB_HW_201:
1055                restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
1056                break;
1057        case SB_HW_PRO:
1058                restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
1059                break;
1060        case SB_HW_16:
1061        case SB_HW_ALS100:
1062        case SB_HW_CS5530:
1063                restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
1064                break;
1065        case SB_HW_ALS4000:
1066                restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
1067                break;
1068        case SB_HW_DT019X:
1069                restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
1070                break;
1071        default:
1072                break;
1073        }
1074}
1075#endif
1076