sound/isa/sb/sb_mixer.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
  23 #include <asm/io.h>
  24 #include <linux/delay.h>
  25 #include <linux/time.h>
  26 #include <sound/core.h>
  27 #include <sound/sb.h>
  28 #include <sound/control.h>
  29
  30 #undef IO_DEBUG
  31
  32 void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data)
  33 {
  34         outb(reg, SBP(chip, MIXER_ADDR));
  35         udelay(10);
  36         outb(data, SBP(chip, MIXER_DATA));
  37         udelay(10);
  38 #ifdef IO_DEBUG
  39         snd_printk(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
  40 #endif
  41 }
  42
  43 unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg)
  44 {
  45         unsigned char result;
  46
  47         outb(reg, SBP(chip, MIXER_ADDR));
  48         udelay(10);
  49         result = inb(SBP(chip, MIXER_DATA));
  50         udelay(10);
  51 #ifdef IO_DEBUG
  52         snd_printk(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
  53 #endif
  54         return result;
  55 }
  56
  57 /*
  58  * Single channel mixer element
  59  */
  60
  61 static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  62 {
  63         int mask = (kcontrol->private_value >> 24) & 0xff;
  64
  65         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
  66         uinfo->count = 1;
  67         uinfo->value.integer.min = 0;
  68         uinfo->value.integer.max = mask;
  69         return 0;
  70 }
  71
  72 static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  73 {
  74         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
  75         unsigned long flags;
  76         int reg = kcontrol->private_value & 0xff;
  77         int shift = (kcontrol->private_value >> 16) & 0xff;
  78         int mask = (kcontrol->private_value >> 24) & 0xff;
  79         unsigned char val;
  80
  81         spin_lock_irqsave(&sb->mixer_lock, flags);
  82         val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
  83         spin_unlock_irqrestore(&sb->mixer_lock, flags);
  84         ucontrol->value.integer.value[0] = val;
  85         return 0;
  86 }
  87
  88 static int snd_sbmixer_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  89 {
  90         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
  91         unsigned long flags;
  92         int reg = kcontrol->private_value & 0xff;
  93         int shift = (kcontrol->private_value >> 16) & 0x07;
  94         int mask = (kcontrol->private_value >> 24) & 0xff;
  95         int change;
  96         unsigned char val, oval;
  97
  98         val = (ucontrol->value.integer.value[0] & mask) << shift;
  99         spin_lock_irqsave(&sb->mixer_lock, flags);
 100         oval = snd_sbmixer_read(sb, reg);
 101         val = (oval & ~(mask << shift)) | val;
 102         change = val != oval;
 103         if (change)
 104                 snd_sbmixer_write(sb, reg, val);
 105         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 106         return change;
 107 }
 108
 109 /*
 110  * Double channel mixer element
 111  */
 112
 113 static int snd_sbmixer_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 114 {
 115         int mask = (kcontrol->private_value >> 24) & 0xff;
 116
 117         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 118         uinfo->count = 2;
 119         uinfo->value.integer.min = 0;
 120         uinfo->value.integer.max = mask;
 121         return 0;
 122 }
 123
 124 static int snd_sbmixer_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 125 {
 126         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 127         unsigned long flags;
 128         int left_reg = kcontrol->private_value & 0xff;
 129         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 130         int left_shift = (kcontrol->private_value >> 16) & 0x07;
 131         int right_shift = (kcontrol->private_value >> 19) & 0x07;
 132         int mask = (kcontrol->private_value >> 24) & 0xff;
 133         unsigned char left, right;
 134
 135         spin_lock_irqsave(&sb->mixer_lock, flags);
 136         left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
 137         right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
 138         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 139         ucontrol->value.integer.value[0] = left;
 140         ucontrol->value.integer.value[1] = right;
 141         return 0;
 142 }
 143
 144 static int snd_sbmixer_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 145 {
 146         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 147         unsigned long flags;
 148         int left_reg = kcontrol->private_value & 0xff;
 149         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 150         int left_shift = (kcontrol->private_value >> 16) & 0x07;
 151         int right_shift = (kcontrol->private_value >> 19) & 0x07;
 152         int mask = (kcontrol->private_value >> 24) & 0xff;
 153         int change;
 154         unsigned char left, right, oleft, oright;
 155
 156         left = (ucontrol->value.integer.value[0] & mask) << left_shift;
 157         right = (ucontrol->value.integer.value[1] & mask) << right_shift;
 158         spin_lock_irqsave(&sb->mixer_lock, flags);
 159         if (left_reg == right_reg) {
 160                 oleft = snd_sbmixer_read(sb, left_reg);
 161                 left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
 162                 change = left != oleft;
 163                 if (change)
 164                         snd_sbmixer_write(sb, left_reg, left);
 165         } else {
 166                 oleft = snd_sbmixer_read(sb, left_reg);
 167                 oright = snd_sbmixer_read(sb, right_reg);
 168                 left = (oleft & ~(mask << left_shift)) | left;
 169                 right = (oright & ~(mask << right_shift)) | right;
 170                 change = left != oleft || right != oright;
 171                 if (change) {
 172                         snd_sbmixer_write(sb, left_reg, left);
 173                         snd_sbmixer_write(sb, right_reg, right);
 174                 }
 175         }
 176         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 177         return change;
 178 }
 179
 180 /*
 181  * DT-019x / ALS-007 capture/input switch
 182  */
 183
 184 static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 185 {
 186         static char *texts[5] = {
 187                 "CD", "Mic", "Line", "Synth", "Master"
 188         };
 189
 190         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 191         uinfo->count = 1;
 192         uinfo->value.enumerated.items = 5;
 193         if (uinfo->value.enumerated.item > 4)
 194                 uinfo->value.enumerated.item = 4;
 195         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 196         return 0;
 197 }
 198
 199 static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 200 {
 201         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 202         unsigned long flags;
 203         unsigned char oval;
 204
 205         spin_lock_irqsave(&sb->mixer_lock, flags);
 206         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
 207         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 208         switch (oval & 0x07) {
 209         case SB_DT019X_CAP_CD:
 210                 ucontrol->value.enumerated.item[0] = 0;
 211                 break;
 212         case SB_DT019X_CAP_MIC:
 213                 ucontrol->value.enumerated.item[0] = 1;
 214                 break;
 215         case SB_DT019X_CAP_LINE:
 216                 ucontrol->value.enumerated.item[0] = 2;
 217                 break;
 218         case SB_DT019X_CAP_MAIN:
 219                 ucontrol->value.enumerated.item[0] = 4;
 220                 break;
 221         /* To record the synth on these cards you must record the main.   */
 222         /* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
 223         /* duplicate case labels if left uncommented. */
 224         /* case SB_DT019X_CAP_SYNTH:
 225          *      ucontrol->value.enumerated.item[0] = 3;
 226          *      break;
 227          */
 228         default:
 229                 ucontrol->value.enumerated.item[0] = 4;
 230                 break;
 231         }
 232         return 0;
 233 }
 234
 235 static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 236 {
 237         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 238         unsigned long flags;
 239         int change;
 240         unsigned char nval, oval;
 241
 242         if (ucontrol->value.enumerated.item[0] > 4)
 243                 return -EINVAL;
 244         switch (ucontrol->value.enumerated.item[0]) {
 245         case 0:
 246                 nval = SB_DT019X_CAP_CD;
 247                 break;
 248         case 1:
 249                 nval = SB_DT019X_CAP_MIC;
 250                 break;
 251         case 2:
 252                 nval = SB_DT019X_CAP_LINE;
 253                 break;
 254         case 3:
 255                 nval = SB_DT019X_CAP_SYNTH;
 256                 break;
 257         case 4:
 258                 nval = SB_DT019X_CAP_MAIN;
 259                 break;
 260         default:
 261                 nval = SB_DT019X_CAP_MAIN;
 262         }
 263         spin_lock_irqsave(&sb->mixer_lock, flags);
 264         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
 265         change = nval != oval;
 266         if (change)
 267                 snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
 268         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 269         return change;
 270 }
 271
 272 /*
 273  * SBPRO input multiplexer
 274  */
 275
 276 static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 277 {
 278         static char *texts[3] = {
 279                 "Mic", "CD", "Line"
 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, texts[uinfo->value.enumerated.item]);
 288         return 0;
 289 }
 290
 291
 292 static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 293 {
 294         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 295         unsigned long flags;
 296         unsigned char oval;
 297
 298         spin_lock_irqsave(&sb->mixer_lock, flags);
 299         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
 300         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 301         switch ((oval >> 0x01) & 0x03) {
 302         case SB_DSP_MIXS_CD:
 303                 ucontrol->value.enumerated.item[0] = 1;
 304                 break;
 305         case SB_DSP_MIXS_LINE:
 306                 ucontrol->value.enumerated.item[0] = 2;
 307                 break;
 308         default:
 309                 ucontrol->value.enumerated.item[0] = 0;
 310                 break;
 311         }
 312         return 0;
 313 }
 314
 315 static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 316 {
 317         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 318         unsigned long flags;
 319         int change;
 320         unsigned char nval, oval;
 321
 322         if (ucontrol->value.enumerated.item[0] > 2)
 323                 return -EINVAL;
 324         switch (ucontrol->value.enumerated.item[0]) {
 325         case 1:
 326                 nval = SB_DSP_MIXS_CD;
 327                 break;
 328         case 2:
 329                 nval = SB_DSP_MIXS_LINE;
 330                 break;
 331         default:
 332                 nval = SB_DSP_MIXS_MIC;
 333         }
 334         nval <<= 1;
 335         spin_lock_irqsave(&sb->mixer_lock, flags);
 336         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
 337         nval |= oval & ~0x06;
 338         change = nval != oval;
 339         if (change)
 340                 snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
 341         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 342         return change;
 343 }
 344
 345 /*
 346  * SB16 input switch
 347  */
 348
 349 static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 350 {
 351         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 352         uinfo->count = 4;
 353         uinfo->value.integer.min = 0;
 354         uinfo->value.integer.max = 1;
 355         return 0;
 356 }
 357
 358 static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 359 {
 360         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 361         unsigned long flags;
 362         int reg1 = kcontrol->private_value & 0xff;
 363         int reg2 = (kcontrol->private_value >> 8) & 0xff;
 364         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 365         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 366         unsigned char val1, val2;
 367
 368         spin_lock_irqsave(&sb->mixer_lock, flags);
 369         val1 = snd_sbmixer_read(sb, reg1);
 370         val2 = snd_sbmixer_read(sb, reg2);
 371         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 372         ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
 373         ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
 374         ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
 375         ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
 376         return 0;
 377 }
 378
 379 static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 380 {
 381         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 382         unsigned long flags;
 383         int reg1 = kcontrol->private_value & 0xff;
 384         int reg2 = (kcontrol->private_value >> 8) & 0xff;
 385         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 386         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 387         int change;
 388         unsigned char val1, val2, oval1, oval2;
 389
 390         spin_lock_irqsave(&sb->mixer_lock, flags);
 391         oval1 = snd_sbmixer_read(sb, reg1);
 392         oval2 = snd_sbmixer_read(sb, reg2);
 393         val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
 394         val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
 395         val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
 396         val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
 397         val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
 398         val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
 399         change = val1 != oval1 || val2 != oval2;
 400         if (change) {
 401                 snd_sbmixer_write(sb, reg1, val1);
 402                 snd_sbmixer_write(sb, reg2, val2);
 403         }
 404         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 405         return change;
 406 }
 407
 408
 409 /*
 410  */
 411 /*
 412  */
 413 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
 414 {
 415         static struct snd_kcontrol_new newctls[] = {
 416                 [SB_MIX_SINGLE] = {
 417                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 418                         .info = snd_sbmixer_info_single,
 419                         .get = snd_sbmixer_get_single,
 420                         .put = snd_sbmixer_put_single,
 421                 },
 422                 [SB_MIX_DOUBLE] = {
 423                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 424                         .info = snd_sbmixer_info_double,
 425                         .get = snd_sbmixer_get_double,
 426                         .put = snd_sbmixer_put_double,
 427                 },
 428                 [SB_MIX_INPUT_SW] = {
 429                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 430                         .info = snd_sb16mixer_info_input_sw,
 431                         .get = snd_sb16mixer_get_input_sw,
 432                         .put = snd_sb16mixer_put_input_sw,
 433                 },
 434                 [SB_MIX_CAPTURE_PRO] = {
 435                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 436                         .info = snd_sb8mixer_info_mux,
 437                         .get = snd_sb8mixer_get_mux,
 438                         .put = snd_sb8mixer_put_mux,
 439                 },
 440                 [SB_MIX_CAPTURE_DT019X] = {
 441                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 442                         .info = snd_dt019x_input_sw_info,
 443                         .get = snd_dt019x_input_sw_get,
 444                         .put = snd_dt019x_input_sw_put,
 445                 },
 446         };
 447         struct snd_kcontrol *ctl;
 448         int err;
 449
 450         ctl = snd_ctl_new1(&newctls[type], chip);
 451         if (! ctl)
 452                 return -ENOMEM;
 453         strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
 454         ctl->id.index = index;
 455         ctl->private_value = value;
 456         if ((err = snd_ctl_add(chip->card, ctl)) < 0)
 457                 return err;
 458         return 0;
 459 }
 460
 461 /*
 462  * SB 2.0 specific mixer elements
 463  */
 464
 465 static struct sbmix_elem snd_sb20_ctl_master_play_vol =
 466         SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7);
 467 static struct sbmix_elem snd_sb20_ctl_pcm_play_vol =
 468         SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3);
 469 static struct sbmix_elem snd_sb20_ctl_synth_play_vol =
 470         SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7);
 471 static struct sbmix_elem snd_sb20_ctl_cd_play_vol =
 472         SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7);
 473
 474 static struct sbmix_elem *snd_sb20_controls[] = {
 475         &snd_sb20_ctl_master_play_vol,
 476         &snd_sb20_ctl_pcm_play_vol,
 477         &snd_sb20_ctl_synth_play_vol,
 478         &snd_sb20_ctl_cd_play_vol
 479 };
 480
 481 static unsigned char snd_sb20_init_values[][2] = {
 482         { SB_DSP20_MASTER_DEV, 0 },
 483         { SB_DSP20_FM_DEV, 0 },
 484 };
 485
 486 /*
 487  * SB Pro specific mixer elements
 488  */
 489 static struct sbmix_elem snd_sbpro_ctl_master_play_vol =
 490         SB_DOUBLE("Master Playback Volume", SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7);
 491 static struct sbmix_elem snd_sbpro_ctl_pcm_play_vol =
 492         SB_DOUBLE("PCM Playback Volume", SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7);
 493 static struct sbmix_elem snd_sbpro_ctl_pcm_play_filter =
 494         SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1);
 495 static struct sbmix_elem snd_sbpro_ctl_synth_play_vol =
 496         SB_DOUBLE("Synth Playback Volume", SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7);
 497 static struct sbmix_elem snd_sbpro_ctl_cd_play_vol =
 498         SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7);
 499 static struct sbmix_elem snd_sbpro_ctl_line_play_vol =
 500         SB_DOUBLE("Line Playback Volume", SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7);
 501 static struct sbmix_elem snd_sbpro_ctl_mic_play_vol =
 502         SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3);
 503 static struct sbmix_elem snd_sbpro_ctl_capture_source =
 504         {
 505                 .name = "Capture Source",
 506                 .type = SB_MIX_CAPTURE_PRO
 507         };
 508 static struct sbmix_elem snd_sbpro_ctl_capture_filter =
 509         SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1);
 510 static struct sbmix_elem snd_sbpro_ctl_capture_low_filter =
 511         SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1);
 512
 513 static struct sbmix_elem *snd_sbpro_controls[] = {
 514         &snd_sbpro_ctl_master_play_vol,
 515         &snd_sbpro_ctl_pcm_play_vol,
 516         &snd_sbpro_ctl_pcm_play_filter,
 517         &snd_sbpro_ctl_synth_play_vol,
 518         &snd_sbpro_ctl_cd_play_vol,
 519         &snd_sbpro_ctl_line_play_vol,
 520         &snd_sbpro_ctl_mic_play_vol,
 521         &snd_sbpro_ctl_capture_source,
 522         &snd_sbpro_ctl_capture_filter,
 523         &snd_sbpro_ctl_capture_low_filter
 524 };
 525
 526 static unsigned char snd_sbpro_init_values[][2] = {
 527         { SB_DSP_MASTER_DEV, 0 },
 528         { SB_DSP_PCM_DEV, 0 },
 529         { SB_DSP_FM_DEV, 0 },
 530 };
 531
 532 /*
 533  * SB16 specific mixer elements
 534  */
 535 static struct sbmix_elem snd_sb16_ctl_master_play_vol =
 536         SB_DOUBLE("Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31);
 537 static struct sbmix_elem snd_sb16_ctl_3d_enhance_switch =
 538         SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1);
 539 static struct sbmix_elem snd_sb16_ctl_tone_bass =
 540         SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15);
 541 static struct sbmix_elem snd_sb16_ctl_tone_treble =
 542         SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15);
 543 static struct sbmix_elem snd_sb16_ctl_pcm_play_vol =
 544         SB_DOUBLE("PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31);
 545 static struct sbmix_elem snd_sb16_ctl_synth_capture_route =
 546         SB16_INPUT_SW("Synth Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5);
 547 static struct sbmix_elem snd_sb16_ctl_synth_play_vol =
 548         SB_DOUBLE("Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31);
 549 static struct sbmix_elem snd_sb16_ctl_cd_capture_route =
 550         SB16_INPUT_SW("CD Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1);
 551 static struct sbmix_elem snd_sb16_ctl_cd_play_switch =
 552         SB_DOUBLE("CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1);
 553 static struct sbmix_elem snd_sb16_ctl_cd_play_vol =
 554         SB_DOUBLE("CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31);
 555 static struct sbmix_elem snd_sb16_ctl_line_capture_route =
 556         SB16_INPUT_SW("Line Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3);
 557 static struct sbmix_elem snd_sb16_ctl_line_play_switch =
 558         SB_DOUBLE("Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1);
 559 static struct sbmix_elem snd_sb16_ctl_line_play_vol =
 560         SB_DOUBLE("Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31);
 561 static struct sbmix_elem snd_sb16_ctl_mic_capture_route =
 562         SB16_INPUT_SW("Mic Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0);
 563 static struct sbmix_elem snd_sb16_ctl_mic_play_switch =
 564         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1);
 565 static struct sbmix_elem snd_sb16_ctl_mic_play_vol =
 566         SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31);
 567 static struct sbmix_elem snd_sb16_ctl_pc_speaker_vol =
 568         SB_SINGLE("PC Speaker Volume", SB_DSP4_SPEAKER_DEV, 6, 3);
 569 static struct sbmix_elem snd_sb16_ctl_capture_vol =
 570         SB_DOUBLE("Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3);
 571 static struct sbmix_elem snd_sb16_ctl_play_vol =
 572         SB_DOUBLE("Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3);
 573 static struct sbmix_elem snd_sb16_ctl_auto_mic_gain =
 574         SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1);
 575
 576 static struct sbmix_elem *snd_sb16_controls[] = {
 577         &snd_sb16_ctl_master_play_vol,
 578         &snd_sb16_ctl_3d_enhance_switch,
 579         &snd_sb16_ctl_tone_bass,
 580         &snd_sb16_ctl_tone_treble,
 581         &snd_sb16_ctl_pcm_play_vol,
 582         &snd_sb16_ctl_synth_capture_route,
 583         &snd_sb16_ctl_synth_play_vol,
 584         &snd_sb16_ctl_cd_capture_route,
 585         &snd_sb16_ctl_cd_play_switch,
 586         &snd_sb16_ctl_cd_play_vol,
 587         &snd_sb16_ctl_line_capture_route,
 588         &snd_sb16_ctl_line_play_switch,
 589         &snd_sb16_ctl_line_play_vol,
 590         &snd_sb16_ctl_mic_capture_route,
 591         &snd_sb16_ctl_mic_play_switch,
 592         &snd_sb16_ctl_mic_play_vol,
 593         &snd_sb16_ctl_pc_speaker_vol,
 594         &snd_sb16_ctl_capture_vol,
 595         &snd_sb16_ctl_play_vol,
 596         &snd_sb16_ctl_auto_mic_gain
 597 };
 598
 599 static unsigned char snd_sb16_init_values[][2] = {
 600         { SB_DSP4_MASTER_DEV + 0, 0 },
 601         { SB_DSP4_MASTER_DEV + 1, 0 },
 602         { SB_DSP4_PCM_DEV + 0, 0 },
 603         { SB_DSP4_PCM_DEV + 1, 0 },
 604         { SB_DSP4_SYNTH_DEV + 0, 0 },
 605         { SB_DSP4_SYNTH_DEV + 1, 0 },
 606         { SB_DSP4_INPUT_LEFT, 0 },
 607         { SB_DSP4_INPUT_RIGHT, 0 },
 608         { SB_DSP4_OUTPUT_SW, 0 },
 609         { SB_DSP4_SPEAKER_DEV, 0 },
 610 };
 611
 612 /*
 613  * DT019x specific mixer elements
 614  */
 615 static struct sbmix_elem snd_dt019x_ctl_master_play_vol =
 616         SB_DOUBLE("Master Playback Volume", SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4,0, 15);
 617 static struct sbmix_elem snd_dt019x_ctl_pcm_play_vol =
 618         SB_DOUBLE("PCM Playback Volume", SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4,0, 15);
 619 static struct sbmix_elem snd_dt019x_ctl_synth_play_vol =
 620         SB_DOUBLE("Synth Playback Volume", SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4,0, 15);
 621 static struct sbmix_elem snd_dt019x_ctl_cd_play_vol =
 622         SB_DOUBLE("CD Playback Volume", SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4,0, 15);
 623 static struct sbmix_elem snd_dt019x_ctl_mic_play_vol =
 624         SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7);
 625 static struct sbmix_elem snd_dt019x_ctl_pc_speaker_vol =
 626         SB_SINGLE("PC Speaker Volume", SB_DT019X_SPKR_DEV, 0,  7);
 627 static struct sbmix_elem snd_dt019x_ctl_line_play_vol =
 628         SB_DOUBLE("Line Playback Volume", SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4,0, 15);
 629 static struct sbmix_elem snd_dt019x_ctl_pcm_play_switch =
 630         SB_DOUBLE("PCM Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2,1, 1);
 631 static struct sbmix_elem snd_dt019x_ctl_synth_play_switch =
 632         SB_DOUBLE("Synth Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4,3, 1);
 633 static struct sbmix_elem snd_dt019x_ctl_capture_source =
 634         {
 635                 .name = "Capture Source",
 636                 .type = SB_MIX_CAPTURE_DT019X
 637         };
 638
 639 static struct sbmix_elem *snd_dt019x_controls[] = {
 640         &snd_dt019x_ctl_master_play_vol,
 641         &snd_dt019x_ctl_pcm_play_vol,
 642         &snd_dt019x_ctl_synth_play_vol,
 643         &snd_dt019x_ctl_cd_play_vol,
 644         &snd_dt019x_ctl_mic_play_vol,
 645         &snd_dt019x_ctl_pc_speaker_vol,
 646         &snd_dt019x_ctl_line_play_vol,
 647         &snd_sb16_ctl_mic_play_switch,
 648         &snd_sb16_ctl_cd_play_switch,
 649         &snd_sb16_ctl_line_play_switch,
 650         &snd_dt019x_ctl_pcm_play_switch,
 651         &snd_dt019x_ctl_synth_play_switch,
 652         &snd_dt019x_ctl_capture_source
 653 };
 654
 655 static unsigned char snd_dt019x_init_values[][2] = {
 656         { SB_DT019X_MASTER_DEV, 0 },
 657         { SB_DT019X_PCM_DEV, 0 },
 658         { SB_DT019X_SYNTH_DEV, 0 },
 659         { SB_DT019X_CD_DEV, 0 },
 660         { SB_DT019X_MIC_DEV, 0 },       /* Includes PC-speaker in high nibble */
 661         { SB_DT019X_LINE_DEV, 0 },
 662         { SB_DSP4_OUTPUT_SW, 0 },
 663         { SB_DT019X_OUTPUT_SW2, 0 },
 664         { SB_DT019X_CAPTURE_SW, 0x06 },
 665 };
 666
 667 /*
 668  * ALS4000 specific mixer elements
 669  */
 670 /* FIXME: SB_ALS4000_MONO_IO_CTRL needs output select ctrl! */
 671 static struct sbmix_elem snd_als4000_ctl_master_mono_playback_switch =
 672         SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1);
 673 static struct sbmix_elem snd_als4000_ctl_master_mono_capture_route =
 674         SB_SINGLE("Master Mono Capture Route", SB_ALS4000_MONO_IO_CTRL, 6, 0x03);
 675 /* FIXME: mono playback switch also available on DT019X? */
 676 static struct sbmix_elem snd_als4000_ctl_mono_playback_switch =
 677         SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1);
 678 static struct sbmix_elem snd_als4000_ctl_mic_20db_boost =
 679         SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03);
 680 static struct sbmix_elem snd_als4000_ctl_mixer_loopback =
 681         SB_SINGLE("Analog Loopback", SB_ALS4000_MIC_IN_GAIN, 7, 0x01);
 682 /* FIXME: functionality of 3D controls might be swapped, I didn't find
 683  * a description of how to identify what is supposed to be what */
 684 static struct sbmix_elem snd_als4000_3d_control_switch =
 685         SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01);
 686 static struct sbmix_elem snd_als4000_3d_control_ratio =
 687         SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07);
 688 static struct sbmix_elem snd_als4000_3d_control_freq =
 689         /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
 690         SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03);
 691 static struct sbmix_elem snd_als4000_3d_control_delay =
 692         /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
 693          * but what ALSA 3D attribute is that actually? "Center", "Depth",
 694          * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
 695         SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f);
 696 static struct sbmix_elem snd_als4000_3d_control_poweroff_switch =
 697         SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01);
 698 #ifdef NOT_AVAILABLE
 699 static struct sbmix_elem snd_als4000_ctl_fmdac =
 700         SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01);
 701 static struct sbmix_elem snd_als4000_ctl_qsound =
 702         SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f);
 703 #endif
 704
 705 static struct sbmix_elem *snd_als4000_controls[] = {
 706         &snd_sb16_ctl_master_play_vol,
 707         &snd_dt019x_ctl_pcm_play_switch,
 708         &snd_sb16_ctl_pcm_play_vol,
 709         &snd_sb16_ctl_synth_capture_route,
 710         &snd_dt019x_ctl_synth_play_switch,
 711         &snd_sb16_ctl_synth_play_vol,
 712         &snd_sb16_ctl_cd_capture_route,
 713         &snd_sb16_ctl_cd_play_switch,
 714         &snd_sb16_ctl_cd_play_vol,
 715         &snd_sb16_ctl_line_capture_route,
 716         &snd_sb16_ctl_line_play_switch,
 717         &snd_sb16_ctl_line_play_vol,
 718         &snd_sb16_ctl_mic_capture_route,
 719         &snd_als4000_ctl_mic_20db_boost,
 720         &snd_sb16_ctl_auto_mic_gain,
 721         &snd_sb16_ctl_mic_play_switch,
 722         &snd_sb16_ctl_mic_play_vol,
 723         &snd_sb16_ctl_pc_speaker_vol,
 724         &snd_sb16_ctl_capture_vol,
 725         &snd_sb16_ctl_play_vol,
 726         &snd_als4000_ctl_master_mono_playback_switch,
 727         &snd_als4000_ctl_master_mono_capture_route,
 728         &snd_als4000_ctl_mono_playback_switch,
 729         &snd_als4000_ctl_mixer_loopback,
 730         &snd_als4000_3d_control_switch,
 731         &snd_als4000_3d_control_ratio,
 732         &snd_als4000_3d_control_freq,
 733         &snd_als4000_3d_control_delay,
 734         &snd_als4000_3d_control_poweroff_switch,
 735 #ifdef NOT_AVAILABLE
 736         &snd_als4000_ctl_fmdac,
 737         &snd_als4000_ctl_qsound,
 738 #endif
 739 };
 740
 741 static unsigned char snd_als4000_init_values[][2] = {
 742         { SB_DSP4_MASTER_DEV + 0, 0 },
 743         { SB_DSP4_MASTER_DEV + 1, 0 },
 744         { SB_DSP4_PCM_DEV + 0, 0 },
 745         { SB_DSP4_PCM_DEV + 1, 0 },
 746         { SB_DSP4_SYNTH_DEV + 0, 0 },
 747         { SB_DSP4_SYNTH_DEV + 1, 0 },
 748         { SB_DSP4_SPEAKER_DEV, 0 },
 749         { SB_DSP4_OUTPUT_SW, 0 },
 750         { SB_DSP4_INPUT_LEFT, 0 },
 751         { SB_DSP4_INPUT_RIGHT, 0 },
 752         { SB_DT019X_OUTPUT_SW2, 0 },
 753         { SB_ALS4000_MIC_IN_GAIN, 0 },
 754 };
 755
 756
 757 /*
 758  */
 759 static int snd_sbmixer_init(struct snd_sb *chip,
 760                             struct sbmix_elem **controls,
 761                             int controls_count,
 762                             unsigned char map[][2],
 763                             int map_count,
 764                             char *name)
 765 {
 766         unsigned long flags;
 767         struct snd_card *card = chip->card;
 768         int idx, err;
 769
 770         /* mixer reset */
 771         spin_lock_irqsave(&chip->mixer_lock, flags);
 772         snd_sbmixer_write(chip, 0x00, 0x00);
 773         spin_unlock_irqrestore(&chip->mixer_lock, flags);
 774
 775         /* mute and zero volume channels */
 776         for (idx = 0; idx < map_count; idx++) {
 777                 spin_lock_irqsave(&chip->mixer_lock, flags);
 778                 snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
 779                 spin_unlock_irqrestore(&chip->mixer_lock, flags);
 780         }
 781
 782         for (idx = 0; idx < controls_count; idx++) {
 783                 if ((err = snd_sbmixer_add_ctl_elem(chip, controls[idx])) < 0)
 784                         return err;
 785         }
 786         snd_component_add(card, name);
 787         strcpy(card->mixername, name);
 788         return 0;
 789 }
 790
 791 int snd_sbmixer_new(struct snd_sb *chip)
 792 {
 793         struct snd_card *card;
 794         int err;
 795
 796         snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
 797
 798         card = chip->card;
 799
 800         switch (chip->hardware) {
 801         case SB_HW_10:
 802                 return 0; /* no mixer chip on SB1.x */
 803         case SB_HW_20:
 804         case SB_HW_201:
 805                 if ((err = snd_sbmixer_init(chip,
 806                                             snd_sb20_controls,
 807                                             ARRAY_SIZE(snd_sb20_controls),
 808                                             snd_sb20_init_values,
 809                                             ARRAY_SIZE(snd_sb20_init_values),
 810                                             "CTL1335")) < 0)
 811                         return err;
 812                 break;
 813         case SB_HW_PRO:
 814                 if ((err = snd_sbmixer_init(chip,
 815                                             snd_sbpro_controls,
 816                                             ARRAY_SIZE(snd_sbpro_controls),
 817                                             snd_sbpro_init_values,
 818                                             ARRAY_SIZE(snd_sbpro_init_values),
 819                                             "CTL1345")) < 0)
 820                         return err;
 821                 break;
 822         case SB_HW_16:
 823         case SB_HW_ALS100:
 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                 save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
 954                 break;
 955         case SB_HW_ALS4000:
 956                 save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
 957                 break;
 958         case SB_HW_DT019X:
 959                 save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
 960                 break;
 961         default:
 962                 break;
 963         }
 964 }
 965
 966 void snd_sbmixer_resume(struct snd_sb *chip)
 967 {
 968         switch (chip->hardware) {
 969         case SB_HW_20:
 970         case SB_HW_201:
 971                 restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
 972                 break;
 973         case SB_HW_PRO:
 974                 restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
 975                 break;
 976         case SB_HW_16:
 977         case SB_HW_ALS100:
 978                 restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
 979                 break;
 980         case SB_HW_ALS4000:
 981                 restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
 982                 break;
 983         case SB_HW_DT019X:
 984                 restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
 985                 break;
 986         default:
 987                 break;
 988         }
 989 }
 990 #endif