sound/isa/sb/sb_mixer.c

   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
  31 void 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
  42 unsigned 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
  60 static 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
  71 static 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
  87 static 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
 112 static 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
 123 static 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
 143 static 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
 183 static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 184 {
 185         static 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
 198 static 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
 234 static 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  * SBPRO input multiplexer
 273  */
 274
 275 static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 276 {
 277         static char *texts[3] = {
 278                 "Mic", "CD", "Line"
 279         };
 280
 281         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 282         uinfo->count = 1;
 283         uinfo->value.enumerated.items = 3;
 284         if (uinfo->value.enumerated.item > 2)
 285                 uinfo->value.enumerated.item = 2;
 286         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 287         return 0;
 288 }
 289
 290
 291 static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 292 {
 293         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 294         unsigned long flags;
 295         unsigned char oval;
 296
 297         spin_lock_irqsave(&sb->mixer_lock, flags);
 298         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
 299         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 300         switch ((oval >> 0x01) & 0x03) {
 301         case SB_DSP_MIXS_CD:
 302                 ucontrol->value.enumerated.item[0] = 1;
 303                 break;
 304         case SB_DSP_MIXS_LINE:
 305                 ucontrol->value.enumerated.item[0] = 2;
 306                 break;
 307         default:
 308                 ucontrol->value.enumerated.item[0] = 0;
 309                 break;
 310         }
 311         return 0;
 312 }
 313
 314 static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 315 {
 316         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 317         unsigned long flags;
 318         int change;
 319         unsigned char nval, oval;
 320
 321         if (ucontrol->value.enumerated.item[0] > 2)
 322                 return -EINVAL;
 323         switch (ucontrol->value.enumerated.item[0]) {
 324         case 1:
 325                 nval = SB_DSP_MIXS_CD;
 326                 break;
 327         case 2:
 328                 nval = SB_DSP_MIXS_LINE;
 329                 break;
 330         default:
 331                 nval = SB_DSP_MIXS_MIC;
 332         }
 333         nval <<= 1;
 334         spin_lock_irqsave(&sb->mixer_lock, flags);
 335         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
 336         nval |= oval & ~0x06;
 337         change = nval != oval;
 338         if (change)
 339                 snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
 340         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 341         return change;
 342 }
 343
 344 /*
 345  * SB16 input switch
 346  */
 347
 348 static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 349 {
 350         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 351         uinfo->count = 4;
 352         uinfo->value.integer.min = 0;
 353         uinfo->value.integer.max = 1;
 354         return 0;
 355 }
 356
 357 static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 358 {
 359         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 360         unsigned long flags;
 361         int reg1 = kcontrol->private_value & 0xff;
 362         int reg2 = (kcontrol->private_value >> 8) & 0xff;
 363         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 364         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 365         unsigned char val1, val2;
 366
 367         spin_lock_irqsave(&sb->mixer_lock, flags);
 368         val1 = snd_sbmixer_read(sb, reg1);
 369         val2 = snd_sbmixer_read(sb, reg2);
 370         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 371         ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
 372         ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
 373         ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
 374         ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
 375         return 0;
 376 }
 377
 378 static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 379 {
 380         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 381         unsigned long flags;
 382         int reg1 = kcontrol->private_value & 0xff;
 383         int reg2 = (kcontrol->private_value >> 8) & 0xff;
 384         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 385         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 386         int change;
 387         unsigned char val1, val2, oval1, oval2;
 388
 389         spin_lock_irqsave(&sb->mixer_lock, flags);
 390         oval1 = snd_sbmixer_read(sb, reg1);
 391         oval2 = snd_sbmixer_read(sb, reg2);
 392         val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
 393         val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
 394         val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
 395         val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
 396         val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
 397         val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
 398         change = val1 != oval1 || val2 != oval2;
 399         if (change) {
 400                 snd_sbmixer_write(sb, reg1, val1);
 401                 snd_sbmixer_write(sb, reg2, val2);
 402         }
 403         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 404         return change;
 405 }
 406
 407
 408 /*
 409  */
 410 /*
 411  */
 412 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
 413 {
 414         static struct snd_kcontrol_new newctls[] = {
 415                 [SB_MIX_SINGLE] = {
 416                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 417                         .info = snd_sbmixer_info_single,
 418                         .get = snd_sbmixer_get_single,
 419                         .put = snd_sbmixer_put_single,
 420                 },
 421                 [SB_MIX_DOUBLE] = {
 422                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 423                         .info = snd_sbmixer_info_double,
 424                         .get = snd_sbmixer_get_double,
 425                         .put = snd_sbmixer_put_double,
 426                 },
 427                 [SB_MIX_INPUT_SW] = {
 428                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 429                         .info = snd_sb16mixer_info_input_sw,
 430                         .get = snd_sb16mixer_get_input_sw,
 431                         .put = snd_sb16mixer_put_input_sw,
 432                 },
 433                 [SB_MIX_CAPTURE_PRO] = {
 434                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 435                         .info = snd_sb8mixer_info_mux,
 436                         .get = snd_sb8mixer_get_mux,
 437                         .put = snd_sb8mixer_put_mux,
 438                 },
 439                 [SB_MIX_CAPTURE_DT019X] = {
 440                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 441                         .info = snd_dt019x_input_sw_info,
 442                         .get = snd_dt019x_input_sw_get,
 443                         .put = snd_dt019x_input_sw_put,
 444                 },
 445         };
 446         struct snd_kcontrol *ctl;
 447         int err;
 448
 449         ctl = snd_ctl_new1(&newctls[type], chip);
 450         if (! ctl)
 451                 return -ENOMEM;
 452         strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
 453         ctl->id.index = index;
 454         ctl->private_value = value;
 455         if ((err = snd_ctl_add(chip->card, ctl)) < 0)
 456                 return err;
 457         return 0;
 458 }
 459
 460 /*
 461  * SB 2.0 specific mixer elements
 462  */
 463
 464 static struct sbmix_elem snd_sb20_ctl_master_play_vol =
 465         SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7);
 466 static struct sbmix_elem snd_sb20_ctl_pcm_play_vol =
 467         SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3);
 468 static struct sbmix_elem snd_sb20_ctl_synth_play_vol =
 469         SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7);
 470 static struct sbmix_elem snd_sb20_ctl_cd_play_vol =
 471         SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7);
 472
 473 static struct sbmix_elem *snd_sb20_controls[] = {
 474         &snd_sb20_ctl_master_play_vol,
 475         &snd_sb20_ctl_pcm_play_vol,
 476         &snd_sb20_ctl_synth_play_vol,
 477         &snd_sb20_ctl_cd_play_vol
 478 };
 479
 480 static unsigned char snd_sb20_init_values[][2] = {
 481         { SB_DSP20_MASTER_DEV, 0 },
 482         { SB_DSP20_FM_DEV, 0 },
 483 };
 484
 485 /*
 486  * SB Pro specific mixer elements
 487  */
 488 static struct sbmix_elem snd_sbpro_ctl_master_play_vol =
 489         SB_DOUBLE("Master Playback Volume", SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7);
 490 static struct sbmix_elem snd_sbpro_ctl_pcm_play_vol =
 491         SB_DOUBLE("PCM Playback Volume", SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7);
 492 static struct sbmix_elem snd_sbpro_ctl_pcm_play_filter =
 493         SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1);
 494 static struct sbmix_elem snd_sbpro_ctl_synth_play_vol =
 495         SB_DOUBLE("Synth Playback Volume", SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7);
 496 static struct sbmix_elem snd_sbpro_ctl_cd_play_vol =
 497         SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7);
 498 static struct sbmix_elem snd_sbpro_ctl_line_play_vol =
 499         SB_DOUBLE("Line Playback Volume", SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7);
 500 static struct sbmix_elem snd_sbpro_ctl_mic_play_vol =
 501         SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3);
 502 static struct sbmix_elem snd_sbpro_ctl_capture_source =
 503         {
 504                 .name = "Capture Source",
 505                 .type = SB_MIX_CAPTURE_PRO
 506         };
 507 static struct sbmix_elem snd_sbpro_ctl_capture_filter =
 508         SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1);
 509 static struct sbmix_elem snd_sbpro_ctl_capture_low_filter =
 510         SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1);
 511
 512 static struct sbmix_elem *snd_sbpro_controls[] = {
 513         &snd_sbpro_ctl_master_play_vol,
 514         &snd_sbpro_ctl_pcm_play_vol,
 515         &snd_sbpro_ctl_pcm_play_filter,
 516         &snd_sbpro_ctl_synth_play_vol,
 517         &snd_sbpro_ctl_cd_play_vol,
 518         &snd_sbpro_ctl_line_play_vol,
 519         &snd_sbpro_ctl_mic_play_vol,
 520         &snd_sbpro_ctl_capture_source,
 521         &snd_sbpro_ctl_capture_filter,
 522         &snd_sbpro_ctl_capture_low_filter
 523 };
 524
 525 static unsigned char snd_sbpro_init_values[][2] = {
 526         { SB_DSP_MASTER_DEV, 0 },
 527         { SB_DSP_PCM_DEV, 0 },
 528         { SB_DSP_FM_DEV, 0 },
 529 };
 530
 531 /*
 532  * SB16 specific mixer elements
 533  */
 534 static struct sbmix_elem snd_sb16_ctl_master_play_vol =
 535         SB_DOUBLE("Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31);
 536 static struct sbmix_elem snd_sb16_ctl_3d_enhance_switch =
 537         SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1);
 538 static struct sbmix_elem snd_sb16_ctl_tone_bass =
 539         SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15);
 540 static struct sbmix_elem snd_sb16_ctl_tone_treble =
 541         SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15);
 542 static struct sbmix_elem snd_sb16_ctl_pcm_play_vol =
 543         SB_DOUBLE("PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31);
 544 static struct sbmix_elem snd_sb16_ctl_synth_capture_route =
 545         SB16_INPUT_SW("Synth Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5);
 546 static struct sbmix_elem snd_sb16_ctl_synth_play_vol =
 547         SB_DOUBLE("Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31);
 548 static struct sbmix_elem snd_sb16_ctl_cd_capture_route =
 549         SB16_INPUT_SW("CD Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1);
 550 static struct sbmix_elem snd_sb16_ctl_cd_play_switch =
 551         SB_DOUBLE("CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1);
 552 static struct sbmix_elem snd_sb16_ctl_cd_play_vol =
 553         SB_DOUBLE("CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31);
 554 static struct sbmix_elem snd_sb16_ctl_line_capture_route =
 555         SB16_INPUT_SW("Line Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3);
 556 static struct sbmix_elem snd_sb16_ctl_line_play_switch =
 557         SB_DOUBLE("Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1);
 558 static struct sbmix_elem snd_sb16_ctl_line_play_vol =
 559         SB_DOUBLE("Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31);
 560 static struct sbmix_elem snd_sb16_ctl_mic_capture_route =
 561         SB16_INPUT_SW("Mic Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0);
 562 static struct sbmix_elem snd_sb16_ctl_mic_play_switch =
 563         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1);
 564 static struct sbmix_elem snd_sb16_ctl_mic_play_vol =
 565         SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31);
 566 static struct sbmix_elem snd_sb16_ctl_pc_speaker_vol =
 567         SB_SINGLE("PC Speaker Volume", SB_DSP4_SPEAKER_DEV, 6, 3);
 568 static struct sbmix_elem snd_sb16_ctl_capture_vol =
 569         SB_DOUBLE("Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3);
 570 static struct sbmix_elem snd_sb16_ctl_play_vol =
 571         SB_DOUBLE("Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3);
 572 static struct sbmix_elem snd_sb16_ctl_auto_mic_gain =
 573         SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1);
 574
 575 static struct sbmix_elem *snd_sb16_controls[] = {
 576         &snd_sb16_ctl_master_play_vol,
 577         &snd_sb16_ctl_3d_enhance_switch,
 578         &snd_sb16_ctl_tone_bass,
 579         &snd_sb16_ctl_tone_treble,
 580         &snd_sb16_ctl_pcm_play_vol,
 581         &snd_sb16_ctl_synth_capture_route,
 582         &snd_sb16_ctl_synth_play_vol,
 583         &snd_sb16_ctl_cd_capture_route,
 584         &snd_sb16_ctl_cd_play_switch,
 585         &snd_sb16_ctl_cd_play_vol,
 586         &snd_sb16_ctl_line_capture_route,
 587         &snd_sb16_ctl_line_play_switch,
 588         &snd_sb16_ctl_line_play_vol,
 589         &snd_sb16_ctl_mic_capture_route,
 590         &snd_sb16_ctl_mic_play_switch,
 591         &snd_sb16_ctl_mic_play_vol,
 592         &snd_sb16_ctl_pc_speaker_vol,
 593         &snd_sb16_ctl_capture_vol,
 594         &snd_sb16_ctl_play_vol,
 595         &snd_sb16_ctl_auto_mic_gain
 596 };
 597
 598 static unsigned char snd_sb16_init_values[][2] = {
 599         { SB_DSP4_MASTER_DEV + 0, 0 },
 600         { SB_DSP4_MASTER_DEV + 1, 0 },
 601         { SB_DSP4_PCM_DEV + 0, 0 },
 602         { SB_DSP4_PCM_DEV + 1, 0 },
 603         { SB_DSP4_SYNTH_DEV + 0, 0 },
 604         { SB_DSP4_SYNTH_DEV + 1, 0 },
 605         { SB_DSP4_INPUT_LEFT, 0 },
 606         { SB_DSP4_INPUT_RIGHT, 0 },
 607         { SB_DSP4_OUTPUT_SW, 0 },
 608         { SB_DSP4_SPEAKER_DEV, 0 },
 609 };
 610
 611 /*
 612  * DT019x specific mixer elements
 613  */
 614 static struct sbmix_elem snd_dt019x_ctl_master_play_vol =
 615         SB_DOUBLE("Master Playback Volume", SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4,0, 15);
 616 static struct sbmix_elem snd_dt019x_ctl_pcm_play_vol =
 617         SB_DOUBLE("PCM Playback Volume", SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4,0, 15);
 618 static struct sbmix_elem snd_dt019x_ctl_synth_play_vol =
 619         SB_DOUBLE("Synth Playback Volume", SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4,0, 15);
 620 static struct sbmix_elem snd_dt019x_ctl_cd_play_vol =
 621         SB_DOUBLE("CD Playback Volume", SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4,0, 15);
 622 static struct sbmix_elem snd_dt019x_ctl_mic_play_vol =
 623         SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7);
 624 static struct sbmix_elem snd_dt019x_ctl_pc_speaker_vol =
 625         SB_SINGLE("PC Speaker Volume", SB_DT019X_SPKR_DEV, 0,  7);
 626 static struct sbmix_elem snd_dt019x_ctl_line_play_vol =
 627         SB_DOUBLE("Line Playback Volume", SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4,0, 15);
 628 static struct sbmix_elem snd_dt019x_ctl_pcm_play_switch =
 629         SB_DOUBLE("PCM Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2,1, 1);
 630 static struct sbmix_elem snd_dt019x_ctl_synth_play_switch =
 631         SB_DOUBLE("Synth Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4,3, 1);
 632 static struct sbmix_elem snd_dt019x_ctl_capture_source =
 633         {
 634                 .name = "Capture Source",
 635                 .type = SB_MIX_CAPTURE_DT019X
 636         };
 637
 638 static struct sbmix_elem *snd_dt019x_controls[] = {
 639         &snd_dt019x_ctl_master_play_vol,
 640         &snd_dt019x_ctl_pcm_play_vol,
 641         &snd_dt019x_ctl_synth_play_vol,
 642         &snd_dt019x_ctl_cd_play_vol,
 643         &snd_dt019x_ctl_mic_play_vol,
 644         &snd_dt019x_ctl_pc_speaker_vol,
 645         &snd_dt019x_ctl_line_play_vol,
 646         &snd_sb16_ctl_mic_play_switch,
 647         &snd_sb16_ctl_cd_play_switch,
 648         &snd_sb16_ctl_line_play_switch,
 649         &snd_dt019x_ctl_pcm_play_switch,
 650         &snd_dt019x_ctl_synth_play_switch,
 651         &snd_dt019x_ctl_capture_source
 652 };
 653
 654 static unsigned char snd_dt019x_init_values[][2] = {
 655         { SB_DT019X_MASTER_DEV, 0 },
 656         { SB_DT019X_PCM_DEV, 0 },
 657         { SB_DT019X_SYNTH_DEV, 0 },
 658         { SB_DT019X_CD_DEV, 0 },
 659         { SB_DT019X_MIC_DEV, 0 },       /* Includes PC-speaker in high nibble */
 660         { SB_DT019X_LINE_DEV, 0 },
 661         { SB_DSP4_OUTPUT_SW, 0 },
 662         { SB_DT019X_OUTPUT_SW2, 0 },
 663         { SB_DT019X_CAPTURE_SW, 0x06 },
 664 };
 665
 666 /*
 667  * ALS4000 specific mixer elements
 668  */
 669 /* FIXME: SB_ALS4000_MONO_IO_CTRL needs output select ctrl! */
 670 static struct sbmix_elem snd_als4000_ctl_master_mono_playback_switch =
 671         SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1);
 672 static struct sbmix_elem snd_als4000_ctl_master_mono_capture_route =
 673         SB_SINGLE("Master Mono Capture Route", SB_ALS4000_MONO_IO_CTRL, 6, 0x03);
 674 /* FIXME: mono playback switch also available on DT019X? */
 675 static struct sbmix_elem snd_als4000_ctl_mono_playback_switch =
 676         SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1);
 677 static struct sbmix_elem snd_als4000_ctl_mic_20db_boost =
 678         SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03);
 679 static struct sbmix_elem snd_als4000_ctl_mixer_loopback =
 680         SB_SINGLE("Analog Loopback", SB_ALS4000_MIC_IN_GAIN, 7, 0x01);
 681 /* FIXME: functionality of 3D controls might be swapped, I didn't find
 682  * a description of how to identify what is supposed to be what */
 683 static struct sbmix_elem snd_als4000_3d_control_switch =
 684         SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01);
 685 static struct sbmix_elem snd_als4000_3d_control_ratio =
 686         SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07);
 687 static struct sbmix_elem snd_als4000_3d_control_freq =
 688         /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
 689         SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03);
 690 static struct sbmix_elem snd_als4000_3d_control_delay =
 691         /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
 692          * but what ALSA 3D attribute is that actually? "Center", "Depth",
 693          * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
 694         SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f);
 695 static struct sbmix_elem snd_als4000_3d_control_poweroff_switch =
 696         SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01);
 697 #ifdef NOT_AVAILABLE
 698 static struct sbmix_elem snd_als4000_ctl_fmdac =
 699         SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01);
 700 static struct sbmix_elem snd_als4000_ctl_qsound =
 701         SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f);
 702 #endif
 703
 704 static struct sbmix_elem *snd_als4000_controls[] = {
 705         &snd_sb16_ctl_master_play_vol,
 706         &snd_dt019x_ctl_pcm_play_switch,
 707         &snd_sb16_ctl_pcm_play_vol,
 708         &snd_sb16_ctl_synth_capture_route,
 709         &snd_dt019x_ctl_synth_play_switch,
 710         &snd_sb16_ctl_synth_play_vol,
 711         &snd_sb16_ctl_cd_capture_route,
 712         &snd_sb16_ctl_cd_play_switch,
 713         &snd_sb16_ctl_cd_play_vol,
 714         &snd_sb16_ctl_line_capture_route,
 715         &snd_sb16_ctl_line_play_switch,
 716         &snd_sb16_ctl_line_play_vol,
 717         &snd_sb16_ctl_mic_capture_route,
 718         &snd_als4000_ctl_mic_20db_boost,
 719         &snd_sb16_ctl_auto_mic_gain,
 720         &snd_sb16_ctl_mic_play_switch,
 721         &snd_sb16_ctl_mic_play_vol,
 722         &snd_sb16_ctl_pc_speaker_vol,
 723         &snd_sb16_ctl_capture_vol,
 724         &snd_sb16_ctl_play_vol,
 725         &snd_als4000_ctl_master_mono_playback_switch,
 726         &snd_als4000_ctl_master_mono_capture_route,
 727         &snd_als4000_ctl_mono_playback_switch,
 728         &snd_als4000_ctl_mixer_loopback,
 729         &snd_als4000_3d_control_switch,
 730         &snd_als4000_3d_control_ratio,
 731         &snd_als4000_3d_control_freq,
 732         &snd_als4000_3d_control_delay,
 733         &snd_als4000_3d_control_poweroff_switch,
 734 #ifdef NOT_AVAILABLE
 735         &snd_als4000_ctl_fmdac,
 736         &snd_als4000_ctl_qsound,
 737 #endif
 738 };
 739
 740 static unsigned char snd_als4000_init_values[][2] = {
 741         { SB_DSP4_MASTER_DEV + 0, 0 },
 742         { SB_DSP4_MASTER_DEV + 1, 0 },
 743         { SB_DSP4_PCM_DEV + 0, 0 },
 744         { SB_DSP4_PCM_DEV + 1, 0 },
 745         { SB_DSP4_SYNTH_DEV + 0, 0 },
 746         { SB_DSP4_SYNTH_DEV + 1, 0 },
 747         { SB_DSP4_SPEAKER_DEV, 0 },
 748         { SB_DSP4_OUTPUT_SW, 0 },
 749         { SB_DSP4_INPUT_LEFT, 0 },
 750         { SB_DSP4_INPUT_RIGHT, 0 },
 751         { SB_DT019X_OUTPUT_SW2, 0 },
 752         { SB_ALS4000_MIC_IN_GAIN, 0 },
 753 };
 754
 755
 756 /*
 757  */
 758 static int snd_sbmixer_init(struct snd_sb *chip,
 759                             struct sbmix_elem **controls,
 760                             int controls_count,
 761                             unsigned char map[][2],
 762                             int map_count,
 763                             char *name)
 764 {
 765         unsigned long flags;
 766         struct snd_card *card = chip->card;
 767         int idx, err;
 768
 769         /* mixer reset */
 770         spin_lock_irqsave(&chip->mixer_lock, flags);
 771         snd_sbmixer_write(chip, 0x00, 0x00);
 772         spin_unlock_irqrestore(&chip->mixer_lock, flags);
 773
 774         /* mute and zero volume channels */
 775         for (idx = 0; idx < map_count; idx++) {
 776                 spin_lock_irqsave(&chip->mixer_lock, flags);
 777                 snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
 778                 spin_unlock_irqrestore(&chip->mixer_lock, flags);
 779         }
 780
 781         for (idx = 0; idx < controls_count; idx++) {
 782                 if ((err = snd_sbmixer_add_ctl_elem(chip, controls[idx])) < 0)
 783                         return err;
 784         }
 785         snd_component_add(card, name);
 786         strcpy(card->mixername, name);
 787         return 0;
 788 }
 789
 790 int snd_sbmixer_new(struct snd_sb *chip)
 791 {
 792         struct snd_card *card;
 793         int err;
 794
 795         snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
 796
 797         card = chip->card;
 798
 799         switch (chip->hardware) {
 800         case SB_HW_10:
 801                 return 0; /* no mixer chip on SB1.x */
 802         case SB_HW_20:
 803         case SB_HW_201:
 804                 if ((err = snd_sbmixer_init(chip,
 805                                             snd_sb20_controls,
 806                                             ARRAY_SIZE(snd_sb20_controls),
 807                                             snd_sb20_init_values,
 808                                             ARRAY_SIZE(snd_sb20_init_values),
 809                                             "CTL1335")) < 0)
 810                         return err;
 811                 break;
 812         case SB_HW_PRO:
 813                 if ((err = snd_sbmixer_init(chip,
 814                                             snd_sbpro_controls,
 815                                             ARRAY_SIZE(snd_sbpro_controls),
 816                                             snd_sbpro_init_values,
 817                                             ARRAY_SIZE(snd_sbpro_init_values),
 818                                             "CTL1345")) < 0)
 819                         return err;
 820                 break;
 821         case SB_HW_16:
 822         case SB_HW_ALS100:
 823         case SB_HW_CS5530:
 824                 if ((err = snd_sbmixer_init(chip,
 825                                             snd_sb16_controls,
 826                                             ARRAY_SIZE(snd_sb16_controls),
 827                                             snd_sb16_init_values,
 828                                             ARRAY_SIZE(snd_sb16_init_values),
 829                                             "CTL1745")) < 0)
 830                         return err;
 831                 break;
 832         case SB_HW_ALS4000:
 833                 if ((err = snd_sbmixer_init(chip,
 834                                             snd_als4000_controls,
 835                                             ARRAY_SIZE(snd_als4000_controls),
 836                                             snd_als4000_init_values,
 837                                             ARRAY_SIZE(snd_als4000_init_values),
 838                                             "ALS4000")) < 0)
 839                         return err;
 840                 break;
 841         case SB_HW_DT019X:
 842                 if ((err = snd_sbmixer_init(chip,
 843                                             snd_dt019x_controls,
 844                                             ARRAY_SIZE(snd_dt019x_controls),
 845                                             snd_dt019x_init_values,
 846                                             ARRAY_SIZE(snd_dt019x_init_values),
 847                                             "DT019X")) < 0)
 848                 break;
 849         default:
 850                 strcpy(card->mixername, "???");
 851         }
 852         return 0;
 853 }
 854
 855 #ifdef CONFIG_PM
 856 static unsigned char sb20_saved_regs[] = {
 857         SB_DSP20_MASTER_DEV,
 858         SB_DSP20_PCM_DEV,
 859         SB_DSP20_FM_DEV,
 860         SB_DSP20_CD_DEV,
 861 };
 862
 863 static unsigned char sbpro_saved_regs[] = {
 864         SB_DSP_MASTER_DEV,
 865         SB_DSP_PCM_DEV,
 866         SB_DSP_PLAYBACK_FILT,
 867         SB_DSP_FM_DEV,
 868         SB_DSP_CD_DEV,
 869         SB_DSP_LINE_DEV,
 870         SB_DSP_MIC_DEV,
 871         SB_DSP_CAPTURE_SOURCE,
 872         SB_DSP_CAPTURE_FILT,
 873 };
 874
 875 static unsigned char sb16_saved_regs[] = {
 876         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
 877         SB_DSP4_3DSE,
 878         SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
 879         SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
 880         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
 881         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
 882         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
 883         SB_DSP4_OUTPUT_SW,
 884         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
 885         SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
 886         SB_DSP4_MIC_DEV,
 887         SB_DSP4_SPEAKER_DEV,
 888         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
 889         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
 890         SB_DSP4_MIC_AGC
 891 };
 892
 893 static unsigned char dt019x_saved_regs[] = {
 894         SB_DT019X_MASTER_DEV,
 895         SB_DT019X_PCM_DEV,
 896         SB_DT019X_SYNTH_DEV,
 897         SB_DT019X_CD_DEV,
 898         SB_DT019X_MIC_DEV,
 899         SB_DT019X_SPKR_DEV,
 900         SB_DT019X_LINE_DEV,
 901         SB_DSP4_OUTPUT_SW,
 902         SB_DT019X_OUTPUT_SW2,
 903         SB_DT019X_CAPTURE_SW,
 904 };
 905
 906 static unsigned char als4000_saved_regs[] = {
 907         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
 908         SB_DSP4_OUTPUT_SW,
 909         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
 910         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
 911         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
 912         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
 913         SB_DSP4_MIC_AGC,
 914         SB_DSP4_MIC_DEV,
 915         SB_DSP4_SPEAKER_DEV,
 916         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
 917         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
 918         SB_DT019X_OUTPUT_SW2,
 919         SB_ALS4000_MONO_IO_CTRL,
 920         SB_ALS4000_MIC_IN_GAIN,
 921         SB_ALS4000_3D_SND_FX,
 922         SB_ALS4000_3D_TIME_DELAY,
 923 };
 924
 925 static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
 926 {
 927         unsigned char *val = chip->saved_regs;
 928         snd_assert(num_regs <= ARRAY_SIZE(chip->saved_regs), return);
 929         for (; num_regs; num_regs--)
 930                 *val++ = snd_sbmixer_read(chip, *regs++);
 931 }
 932
 933 static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
 934 {
 935         unsigned char *val = chip->saved_regs;
 936         snd_assert(num_regs <= ARRAY_SIZE(chip->saved_regs), return);
 937         for (; num_regs; num_regs--)
 938                 snd_sbmixer_write(chip, *regs++, *val++);
 939 }
 940
 941 void snd_sbmixer_suspend(struct snd_sb *chip)
 942 {
 943         switch (chip->hardware) {
 944         case SB_HW_20:
 945         case SB_HW_201:
 946                 save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
 947                 break;
 948         case SB_HW_PRO:
 949                 save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
 950                 break;
 951         case SB_HW_16:
 952         case SB_HW_ALS100:
 953         case SB_HW_CS5530:
 954                 save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
 955                 break;
 956         case SB_HW_ALS4000:
 957                 save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
 958                 break;
 959         case SB_HW_DT019X:
 960                 save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
 961                 break;
 962         default:
 963                 break;
 964         }
 965 }
 966
 967 void snd_sbmixer_resume(struct snd_sb *chip)
 968 {
 969         switch (chip->hardware) {
 970         case SB_HW_20:
 971         case SB_HW_201:
 972                 restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
 973                 break;
 974         case SB_HW_PRO:
 975                 restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
 976                 break;
 977         case SB_HW_16:
 978         case SB_HW_ALS100:
 979         case SB_HW_CS5530:
 980                 restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
 981                 break;
 982         case SB_HW_ALS4000:
 983                 restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
 984                 break;
 985         case SB_HW_DT019X:
 986                 restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
 987                 break;
 988         default:
 989                 break;
 990         }
 991 }
 992 #endif