sound/isa/sb/sb_mixer.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4  *  Routines for Sound Blaster mixer control
   5  */
   6
   7 #include <linux/io.h>
   8 #include <linux/delay.h>
   9 #include <linux/time.h>
  10 #include <sound/core.h>
  11 #include <sound/sb.h>
  12 #include <sound/control.h>
  13
  14 #undef IO_DEBUG
  15
  16 void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data)
  17 {
  18         outb(reg, SBP(chip, MIXER_ADDR));
  19         udelay(10);
  20         outb(data, SBP(chip, MIXER_DATA));
  21         udelay(10);
  22 #ifdef IO_DEBUG
  23         snd_printk(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
  24 #endif
  25 }
  26
  27 unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg)
  28 {
  29         unsigned char result;
  30
  31         outb(reg, SBP(chip, MIXER_ADDR));
  32         udelay(10);
  33         result = inb(SBP(chip, MIXER_DATA));
  34         udelay(10);
  35 #ifdef IO_DEBUG
  36         snd_printk(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
  37 #endif
  38         return result;
  39 }
  40
  41 /*
  42  * Single channel mixer element
  43  */
  44
  45 static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  46 {
  47         int mask = (kcontrol->private_value >> 24) & 0xff;
  48
  49         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
  50         uinfo->count = 1;
  51         uinfo->value.integer.min = 0;
  52         uinfo->value.integer.max = mask;
  53         return 0;
  54 }
  55
  56 static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  57 {
  58         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
  59         unsigned long flags;
  60         int reg = kcontrol->private_value & 0xff;
  61         int shift = (kcontrol->private_value >> 16) & 0xff;
  62         int mask = (kcontrol->private_value >> 24) & 0xff;
  63         unsigned char val;
  64
  65         spin_lock_irqsave(&sb->mixer_lock, flags);
  66         val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
  67         spin_unlock_irqrestore(&sb->mixer_lock, flags);
  68         ucontrol->value.integer.value[0] = val;
  69         return 0;
  70 }
  71
  72 static int snd_sbmixer_put_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) & 0x07;
  78         int mask = (kcontrol->private_value >> 24) & 0xff;
  79         int change;
  80         unsigned char val, oval;
  81
  82         val = (ucontrol->value.integer.value[0] & mask) << shift;
  83         spin_lock_irqsave(&sb->mixer_lock, flags);
  84         oval = snd_sbmixer_read(sb, reg);
  85         val = (oval & ~(mask << shift)) | val;
  86         change = val != oval;
  87         if (change)
  88                 snd_sbmixer_write(sb, reg, val);
  89         spin_unlock_irqrestore(&sb->mixer_lock, flags);
  90         return change;
  91 }
  92
  93 /*
  94  * Double channel mixer element
  95  */
  96
  97 static int snd_sbmixer_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  98 {
  99         int mask = (kcontrol->private_value >> 24) & 0xff;
 100
 101         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 102         uinfo->count = 2;
 103         uinfo->value.integer.min = 0;
 104         uinfo->value.integer.max = mask;
 105         return 0;
 106 }
 107
 108 static int snd_sbmixer_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 109 {
 110         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 111         unsigned long flags;
 112         int left_reg = kcontrol->private_value & 0xff;
 113         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 114         int left_shift = (kcontrol->private_value >> 16) & 0x07;
 115         int right_shift = (kcontrol->private_value >> 19) & 0x07;
 116         int mask = (kcontrol->private_value >> 24) & 0xff;
 117         unsigned char left, right;
 118
 119         spin_lock_irqsave(&sb->mixer_lock, flags);
 120         left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
 121         right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
 122         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 123         ucontrol->value.integer.value[0] = left;
 124         ucontrol->value.integer.value[1] = right;
 125         return 0;
 126 }
 127
 128 static int snd_sbmixer_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 129 {
 130         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 131         unsigned long flags;
 132         int left_reg = kcontrol->private_value & 0xff;
 133         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 134         int left_shift = (kcontrol->private_value >> 16) & 0x07;
 135         int right_shift = (kcontrol->private_value >> 19) & 0x07;
 136         int mask = (kcontrol->private_value >> 24) & 0xff;
 137         int change;
 138         unsigned char left, right, oleft, oright;
 139
 140         left = (ucontrol->value.integer.value[0] & mask) << left_shift;
 141         right = (ucontrol->value.integer.value[1] & mask) << right_shift;
 142         spin_lock_irqsave(&sb->mixer_lock, flags);
 143         if (left_reg == right_reg) {
 144                 oleft = snd_sbmixer_read(sb, left_reg);
 145                 left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
 146                 change = left != oleft;
 147                 if (change)
 148                         snd_sbmixer_write(sb, left_reg, left);
 149         } else {
 150                 oleft = snd_sbmixer_read(sb, left_reg);
 151                 oright = snd_sbmixer_read(sb, right_reg);
 152                 left = (oleft & ~(mask << left_shift)) | left;
 153                 right = (oright & ~(mask << right_shift)) | right;
 154                 change = left != oleft || right != oright;
 155                 if (change) {
 156                         snd_sbmixer_write(sb, left_reg, left);
 157                         snd_sbmixer_write(sb, right_reg, right);
 158                 }
 159         }
 160         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 161         return change;
 162 }
 163
 164 /*
 165  * DT-019x / ALS-007 capture/input switch
 166  */
 167
 168 static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 169 {
 170         static const char * const texts[5] = {
 171                 "CD", "Mic", "Line", "Synth", "Master"
 172         };
 173
 174         return snd_ctl_enum_info(uinfo, 1, 5, texts);
 175 }
 176
 177 static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 178 {
 179         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 180         unsigned long flags;
 181         unsigned char oval;
 182
 183         spin_lock_irqsave(&sb->mixer_lock, flags);
 184         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
 185         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 186         switch (oval & 0x07) {
 187         case SB_DT019X_CAP_CD:
 188                 ucontrol->value.enumerated.item[0] = 0;
 189                 break;
 190         case SB_DT019X_CAP_MIC:
 191                 ucontrol->value.enumerated.item[0] = 1;
 192                 break;
 193         case SB_DT019X_CAP_LINE:
 194                 ucontrol->value.enumerated.item[0] = 2;
 195                 break;
 196         case SB_DT019X_CAP_MAIN:
 197                 ucontrol->value.enumerated.item[0] = 4;
 198                 break;
 199         /* To record the synth on these cards you must record the main.   */
 200         /* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
 201         /* duplicate case labels if left uncommented. */
 202         /* case SB_DT019X_CAP_SYNTH:
 203          *      ucontrol->value.enumerated.item[0] = 3;
 204          *      break;
 205          */
 206         default:
 207                 ucontrol->value.enumerated.item[0] = 4;
 208                 break;
 209         }
 210         return 0;
 211 }
 212
 213 static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 214 {
 215         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 216         unsigned long flags;
 217         int change;
 218         unsigned char nval, oval;
 219
 220         if (ucontrol->value.enumerated.item[0] > 4)
 221                 return -EINVAL;
 222         switch (ucontrol->value.enumerated.item[0]) {
 223         case 0:
 224                 nval = SB_DT019X_CAP_CD;
 225                 break;
 226         case 1:
 227                 nval = SB_DT019X_CAP_MIC;
 228                 break;
 229         case 2:
 230                 nval = SB_DT019X_CAP_LINE;
 231                 break;
 232         case 3:
 233                 nval = SB_DT019X_CAP_SYNTH;
 234                 break;
 235         case 4:
 236                 nval = SB_DT019X_CAP_MAIN;
 237                 break;
 238         default:
 239                 nval = SB_DT019X_CAP_MAIN;
 240         }
 241         spin_lock_irqsave(&sb->mixer_lock, flags);
 242         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
 243         change = nval != oval;
 244         if (change)
 245                 snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
 246         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 247         return change;
 248 }
 249
 250 /*
 251  * ALS4000 mono recording control switch
 252  */
 253
 254 static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
 255                                              struct snd_ctl_elem_info *uinfo)
 256 {
 257         static const char * const texts[3] = {
 258                 "L chan only", "R chan only", "L ch/2 + R ch/2"
 259         };
 260
 261         return snd_ctl_enum_info(uinfo, 1, 3, texts);
 262 }
 263
 264 static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
 265                                 struct snd_ctl_elem_value *ucontrol)
 266 {
 267         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 268         unsigned long flags;
 269         unsigned char oval;
 270
 271         spin_lock_irqsave(&sb->mixer_lock, flags);
 272         oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
 273         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 274         oval >>= 6;
 275         if (oval > 2)
 276                 oval = 2;
 277
 278         ucontrol->value.enumerated.item[0] = oval;
 279         return 0;
 280 }
 281
 282 static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
 283                                 struct snd_ctl_elem_value *ucontrol)
 284 {
 285         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 286         unsigned long flags;
 287         int change;
 288         unsigned char nval, oval;
 289
 290         if (ucontrol->value.enumerated.item[0] > 2)
 291                 return -EINVAL;
 292         spin_lock_irqsave(&sb->mixer_lock, flags);
 293         oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
 294
 295         nval = (oval & ~(3 << 6))
 296              | (ucontrol->value.enumerated.item[0] << 6);
 297         change = nval != oval;
 298         if (change)
 299                 snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
 300         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 301         return change;
 302 }
 303
 304 /*
 305  * SBPRO input multiplexer
 306  */
 307
 308 static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 309 {
 310         static const char * const texts[3] = {
 311                 "Mic", "CD", "Line"
 312         };
 313
 314         return snd_ctl_enum_info(uinfo, 1, 3, texts);
 315 }
 316
 317
 318 static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 319 {
 320         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 321         unsigned long flags;
 322         unsigned char oval;
 323
 324         spin_lock_irqsave(&sb->mixer_lock, flags);
 325         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
 326         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 327         switch ((oval >> 0x01) & 0x03) {
 328         case SB_DSP_MIXS_CD:
 329                 ucontrol->value.enumerated.item[0] = 1;
 330                 break;
 331         case SB_DSP_MIXS_LINE:
 332                 ucontrol->value.enumerated.item[0] = 2;
 333                 break;
 334         default:
 335                 ucontrol->value.enumerated.item[0] = 0;
 336                 break;
 337         }
 338         return 0;
 339 }
 340
 341 static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 342 {
 343         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 344         unsigned long flags;
 345         int change;
 346         unsigned char nval, oval;
 347
 348         if (ucontrol->value.enumerated.item[0] > 2)
 349                 return -EINVAL;
 350         switch (ucontrol->value.enumerated.item[0]) {
 351         case 1:
 352                 nval = SB_DSP_MIXS_CD;
 353                 break;
 354         case 2:
 355                 nval = SB_DSP_MIXS_LINE;
 356                 break;
 357         default:
 358                 nval = SB_DSP_MIXS_MIC;
 359         }
 360         nval <<= 1;
 361         spin_lock_irqsave(&sb->mixer_lock, flags);
 362         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
 363         nval |= oval & ~0x06;
 364         change = nval != oval;
 365         if (change)
 366                 snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
 367         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 368         return change;
 369 }
 370
 371 /*
 372  * SB16 input switch
 373  */
 374
 375 static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 376 {
 377         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 378         uinfo->count = 4;
 379         uinfo->value.integer.min = 0;
 380         uinfo->value.integer.max = 1;
 381         return 0;
 382 }
 383
 384 static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 385 {
 386         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 387         unsigned long flags;
 388         int reg1 = kcontrol->private_value & 0xff;
 389         int reg2 = (kcontrol->private_value >> 8) & 0xff;
 390         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 391         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 392         unsigned char val1, val2;
 393
 394         spin_lock_irqsave(&sb->mixer_lock, flags);
 395         val1 = snd_sbmixer_read(sb, reg1);
 396         val2 = snd_sbmixer_read(sb, reg2);
 397         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 398         ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
 399         ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
 400         ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
 401         ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
 402         return 0;
 403 }
 404
 405 static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 406 {
 407         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 408         unsigned long flags;
 409         int reg1 = kcontrol->private_value & 0xff;
 410         int reg2 = (kcontrol->private_value >> 8) & 0xff;
 411         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 412         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 413         int change;
 414         unsigned char val1, val2, oval1, oval2;
 415
 416         spin_lock_irqsave(&sb->mixer_lock, flags);
 417         oval1 = snd_sbmixer_read(sb, reg1);
 418         oval2 = snd_sbmixer_read(sb, reg2);
 419         val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
 420         val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
 421         val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
 422         val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
 423         val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
 424         val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
 425         change = val1 != oval1 || val2 != oval2;
 426         if (change) {
 427                 snd_sbmixer_write(sb, reg1, val1);
 428                 snd_sbmixer_write(sb, reg2, val2);
 429         }
 430         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 431         return change;
 432 }
 433
 434
 435 /*
 436  */
 437 /*
 438  */
 439 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
 440 {
 441         static const struct snd_kcontrol_new newctls[] = {
 442                 [SB_MIX_SINGLE] = {
 443                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 444                         .info = snd_sbmixer_info_single,
 445                         .get = snd_sbmixer_get_single,
 446                         .put = snd_sbmixer_put_single,
 447                 },
 448                 [SB_MIX_DOUBLE] = {
 449                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 450                         .info = snd_sbmixer_info_double,
 451                         .get = snd_sbmixer_get_double,
 452                         .put = snd_sbmixer_put_double,
 453                 },
 454                 [SB_MIX_INPUT_SW] = {
 455                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 456                         .info = snd_sb16mixer_info_input_sw,
 457                         .get = snd_sb16mixer_get_input_sw,
 458                         .put = snd_sb16mixer_put_input_sw,
 459                 },
 460                 [SB_MIX_CAPTURE_PRO] = {
 461                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 462                         .info = snd_sb8mixer_info_mux,
 463                         .get = snd_sb8mixer_get_mux,
 464                         .put = snd_sb8mixer_put_mux,
 465                 },
 466                 [SB_MIX_CAPTURE_DT019X] = {
 467                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 468                         .info = snd_dt019x_input_sw_info,
 469                         .get = snd_dt019x_input_sw_get,
 470                         .put = snd_dt019x_input_sw_put,
 471                 },
 472                 [SB_MIX_MONO_CAPTURE_ALS4K] = {
 473                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 474                         .info = snd_als4k_mono_capture_route_info,
 475                         .get = snd_als4k_mono_capture_route_get,
 476                         .put = snd_als4k_mono_capture_route_put,
 477                 },
 478         };
 479         struct snd_kcontrol *ctl;
 480         int err;
 481
 482         ctl = snd_ctl_new1(&newctls[type], chip);
 483         if (! ctl)
 484                 return -ENOMEM;
 485         strscpy(ctl->id.name, name, sizeof(ctl->id.name));
 486         ctl->id.index = index;
 487         ctl->private_value = value;
 488         err = snd_ctl_add(chip->card, ctl);
 489         if (err < 0)
 490                 return err;
 491         return 0;
 492 }
 493
 494 /*
 495  * SB 2.0 specific mixer elements
 496  */
 497
 498 static const struct sbmix_elem snd_sb20_controls[] = {
 499         SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
 500         SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
 501         SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
 502         SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
 503 };
 504
 505 static const unsigned char snd_sb20_init_values[][2] = {
 506         { SB_DSP20_MASTER_DEV, 0 },
 507         { SB_DSP20_FM_DEV, 0 },
 508 };
 509
 510 /*
 511  * SB Pro specific mixer elements
 512  */
 513 static const struct sbmix_elem snd_sbpro_controls[] = {
 514         SB_DOUBLE("Master Playback Volume",
 515                   SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
 516         SB_DOUBLE("PCM Playback Volume",
 517                   SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
 518         SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
 519         SB_DOUBLE("Synth Playback Volume",
 520                   SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
 521         SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
 522         SB_DOUBLE("Line Playback Volume",
 523                   SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
 524         SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
 525         {
 526                 .name = "Capture Source",
 527                 .type = SB_MIX_CAPTURE_PRO
 528         },
 529         SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
 530         SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
 531 };
 532
 533 static const unsigned char snd_sbpro_init_values[][2] = {
 534         { SB_DSP_MASTER_DEV, 0 },
 535         { SB_DSP_PCM_DEV, 0 },
 536         { SB_DSP_FM_DEV, 0 },
 537 };
 538
 539 /*
 540  * SB16 specific mixer elements
 541  */
 542 static const struct sbmix_elem snd_sb16_controls[] = {
 543         SB_DOUBLE("Master Playback Volume",
 544                   SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
 545         SB_DOUBLE("PCM Playback Volume",
 546                   SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
 547         SB16_INPUT_SW("Synth Capture Route",
 548                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
 549         SB_DOUBLE("Synth Playback Volume",
 550                   SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
 551         SB16_INPUT_SW("CD Capture Route",
 552                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
 553         SB_DOUBLE("CD Playback Switch",
 554                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
 555         SB_DOUBLE("CD Playback Volume",
 556                   SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
 557         SB16_INPUT_SW("Mic Capture Route",
 558                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
 559         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
 560         SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
 561         SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
 562         SB_DOUBLE("Capture Volume",
 563                   SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
 564         SB_DOUBLE("Playback Volume",
 565                   SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
 566         SB16_INPUT_SW("Line Capture Route",
 567                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
 568         SB_DOUBLE("Line Playback Switch",
 569                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
 570         SB_DOUBLE("Line Playback Volume",
 571                   SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
 572         SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
 573         SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
 574         SB_DOUBLE("Tone Control - Bass",
 575                   SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
 576         SB_DOUBLE("Tone Control - Treble",
 577                   SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
 578 };
 579
 580 static const unsigned char snd_sb16_init_values[][2] = {
 581         { SB_DSP4_MASTER_DEV + 0, 0 },
 582         { SB_DSP4_MASTER_DEV + 1, 0 },
 583         { SB_DSP4_PCM_DEV + 0, 0 },
 584         { SB_DSP4_PCM_DEV + 1, 0 },
 585         { SB_DSP4_SYNTH_DEV + 0, 0 },
 586         { SB_DSP4_SYNTH_DEV + 1, 0 },
 587         { SB_DSP4_INPUT_LEFT, 0 },
 588         { SB_DSP4_INPUT_RIGHT, 0 },
 589         { SB_DSP4_OUTPUT_SW, 0 },
 590         { SB_DSP4_SPEAKER_DEV, 0 },
 591 };
 592
 593 /*
 594  * DT019x specific mixer elements
 595  */
 596 static const struct sbmix_elem snd_dt019x_controls[] = {
 597         /* ALS4000 below has some parts which we might be lacking,
 598          * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
 599         SB_DOUBLE("Master Playback Volume",
 600                   SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
 601         SB_DOUBLE("PCM Playback Switch",
 602                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
 603         SB_DOUBLE("PCM Playback Volume",
 604                   SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
 605         SB_DOUBLE("Synth Playback Switch",
 606                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
 607         SB_DOUBLE("Synth Playback Volume",
 608                   SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
 609         SB_DOUBLE("CD Playback Switch",
 610                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
 611         SB_DOUBLE("CD Playback Volume",
 612                   SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
 613         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
 614         SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
 615         SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7),
 616         SB_DOUBLE("Line Playback Switch",
 617                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
 618         SB_DOUBLE("Line Playback Volume",
 619                   SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
 620         {
 621                 .name = "Capture Source",
 622                 .type = SB_MIX_CAPTURE_DT019X
 623         }
 624 };
 625
 626 static const unsigned char snd_dt019x_init_values[][2] = {
 627         { SB_DT019X_MASTER_DEV, 0 },
 628         { SB_DT019X_PCM_DEV, 0 },
 629         { SB_DT019X_SYNTH_DEV, 0 },
 630         { SB_DT019X_CD_DEV, 0 },
 631         { SB_DT019X_MIC_DEV, 0 },       /* Includes PC-speaker in high nibble */
 632         { SB_DT019X_LINE_DEV, 0 },
 633         { SB_DSP4_OUTPUT_SW, 0 },
 634         { SB_DT019X_OUTPUT_SW2, 0 },
 635         { SB_DT019X_CAPTURE_SW, 0x06 },
 636 };
 637
 638 /*
 639  * ALS4000 specific mixer elements
 640  */
 641 static const struct sbmix_elem snd_als4000_controls[] = {
 642         SB_DOUBLE("PCM Playback Switch",
 643                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
 644         SB_DOUBLE("Synth Playback Switch",
 645                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
 646         SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
 647         SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
 648         {
 649                 .name = "Master Mono Capture Route",
 650                 .type = SB_MIX_MONO_CAPTURE_ALS4K
 651         },
 652         SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
 653         SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
 654         SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
 655         SB_SINGLE("Digital Loopback Switch",
 656                   SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
 657         /* FIXME: functionality of 3D controls might be swapped, I didn't find
 658          * a description of how to identify what is supposed to be what */
 659         SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
 660         /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
 661         SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
 662         /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
 663          * but what ALSA 3D attribute is that actually? "Center", "Depth",
 664          * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
 665         SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
 666         SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
 667         SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
 668                   SB_ALS4000_FMDAC, 5, 0x01),
 669 #ifdef NOT_AVAILABLE
 670         SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
 671         SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
 672 #endif
 673 };
 674
 675 static const unsigned char snd_als4000_init_values[][2] = {
 676         { SB_DSP4_MASTER_DEV + 0, 0 },
 677         { SB_DSP4_MASTER_DEV + 1, 0 },
 678         { SB_DSP4_PCM_DEV + 0, 0 },
 679         { SB_DSP4_PCM_DEV + 1, 0 },
 680         { SB_DSP4_SYNTH_DEV + 0, 0 },
 681         { SB_DSP4_SYNTH_DEV + 1, 0 },
 682         { SB_DSP4_SPEAKER_DEV, 0 },
 683         { SB_DSP4_OUTPUT_SW, 0 },
 684         { SB_DSP4_INPUT_LEFT, 0 },
 685         { SB_DSP4_INPUT_RIGHT, 0 },
 686         { SB_DT019X_OUTPUT_SW2, 0 },
 687         { SB_ALS4000_MIC_IN_GAIN, 0 },
 688 };
 689
 690 /*
 691  */
 692 static int snd_sbmixer_init(struct snd_sb *chip,
 693                             const struct sbmix_elem *controls,
 694                             int controls_count,
 695                             const unsigned char map[][2],
 696                             int map_count,
 697                             char *name)
 698 {
 699         unsigned long flags;
 700         struct snd_card *card = chip->card;
 701         int idx, err;
 702
 703         /* mixer reset */
 704         spin_lock_irqsave(&chip->mixer_lock, flags);
 705         snd_sbmixer_write(chip, 0x00, 0x00);
 706         spin_unlock_irqrestore(&chip->mixer_lock, flags);
 707
 708         /* mute and zero volume channels */
 709         for (idx = 0; idx < map_count; idx++) {
 710                 spin_lock_irqsave(&chip->mixer_lock, flags);
 711                 snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
 712                 spin_unlock_irqrestore(&chip->mixer_lock, flags);
 713         }
 714
 715         for (idx = 0; idx < controls_count; idx++) {
 716                 err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
 717                 if (err < 0)
 718                         return err;
 719         }
 720         snd_component_add(card, name);
 721         strcpy(card->mixername, name);
 722         return 0;
 723 }
 724
 725 int snd_sbmixer_new(struct snd_sb *chip)
 726 {
 727         struct snd_card *card;
 728         int err;
 729
 730         if (snd_BUG_ON(!chip || !chip->card))
 731                 return -EINVAL;
 732
 733         card = chip->card;
 734
 735         switch (chip->hardware) {
 736         case SB_HW_10:
 737                 return 0; /* no mixer chip on SB1.x */
 738         case SB_HW_20:
 739         case SB_HW_201:
 740                 err = snd_sbmixer_init(chip,
 741                                        snd_sb20_controls,
 742                                        ARRAY_SIZE(snd_sb20_controls),
 743                                        snd_sb20_init_values,
 744                                        ARRAY_SIZE(snd_sb20_init_values),
 745                                        "CTL1335");
 746                 if (err < 0)
 747                         return err;
 748                 break;
 749         case SB_HW_PRO:
 750         case SB_HW_JAZZ16:
 751                 err = snd_sbmixer_init(chip,
 752                                        snd_sbpro_controls,
 753                                        ARRAY_SIZE(snd_sbpro_controls),
 754                                        snd_sbpro_init_values,
 755                                        ARRAY_SIZE(snd_sbpro_init_values),
 756                                        "CTL1345");
 757                 if (err < 0)
 758                         return err;
 759                 break;
 760         case SB_HW_16:
 761         case SB_HW_ALS100:
 762         case SB_HW_CS5530:
 763                 err = snd_sbmixer_init(chip,
 764                                        snd_sb16_controls,
 765                                        ARRAY_SIZE(snd_sb16_controls),
 766                                        snd_sb16_init_values,
 767                                        ARRAY_SIZE(snd_sb16_init_values),
 768                                        "CTL1745");
 769                 if (err < 0)
 770                         return err;
 771                 break;
 772         case SB_HW_ALS4000:
 773                 /* use only the first 16 controls from SB16 */
 774                 err = snd_sbmixer_init(chip,
 775                                         snd_sb16_controls,
 776                                         16,
 777                                         snd_sb16_init_values,
 778                                         ARRAY_SIZE(snd_sb16_init_values),
 779                                         "ALS4000");
 780                 if (err < 0)
 781                         return err;
 782                 err = snd_sbmixer_init(chip,
 783                                        snd_als4000_controls,
 784                                        ARRAY_SIZE(snd_als4000_controls),
 785                                        snd_als4000_init_values,
 786                                        ARRAY_SIZE(snd_als4000_init_values),
 787                                        "ALS4000");
 788                 if (err < 0)
 789                         return err;
 790                 break;
 791         case SB_HW_DT019X:
 792                 err = snd_sbmixer_init(chip,
 793                                        snd_dt019x_controls,
 794                                        ARRAY_SIZE(snd_dt019x_controls),
 795                                        snd_dt019x_init_values,
 796                                        ARRAY_SIZE(snd_dt019x_init_values),
 797                                        "DT019X");
 798                 if (err < 0)
 799                         return err;
 800                 break;
 801         default:
 802                 strcpy(card->mixername, "???");
 803         }
 804         return 0;
 805 }
 806
 807 #ifdef CONFIG_PM
 808 static const unsigned char sb20_saved_regs[] = {
 809         SB_DSP20_MASTER_DEV,
 810         SB_DSP20_PCM_DEV,
 811         SB_DSP20_FM_DEV,
 812         SB_DSP20_CD_DEV,
 813 };
 814
 815 static const unsigned char sbpro_saved_regs[] = {
 816         SB_DSP_MASTER_DEV,
 817         SB_DSP_PCM_DEV,
 818         SB_DSP_PLAYBACK_FILT,
 819         SB_DSP_FM_DEV,
 820         SB_DSP_CD_DEV,
 821         SB_DSP_LINE_DEV,
 822         SB_DSP_MIC_DEV,
 823         SB_DSP_CAPTURE_SOURCE,
 824         SB_DSP_CAPTURE_FILT,
 825 };
 826
 827 static const unsigned char sb16_saved_regs[] = {
 828         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
 829         SB_DSP4_3DSE,
 830         SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
 831         SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
 832         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
 833         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
 834         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
 835         SB_DSP4_OUTPUT_SW,
 836         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
 837         SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
 838         SB_DSP4_MIC_DEV,
 839         SB_DSP4_SPEAKER_DEV,
 840         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
 841         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
 842         SB_DSP4_MIC_AGC
 843 };
 844
 845 static const unsigned char dt019x_saved_regs[] = {
 846         SB_DT019X_MASTER_DEV,
 847         SB_DT019X_PCM_DEV,
 848         SB_DT019X_SYNTH_DEV,
 849         SB_DT019X_CD_DEV,
 850         SB_DT019X_MIC_DEV,
 851         SB_DT019X_SPKR_DEV,
 852         SB_DT019X_LINE_DEV,
 853         SB_DSP4_OUTPUT_SW,
 854         SB_DT019X_OUTPUT_SW2,
 855         SB_DT019X_CAPTURE_SW,
 856 };
 857
 858 static const unsigned char als4000_saved_regs[] = {
 859         /* please verify in dsheet whether regs to be added
 860            are actually real H/W or just dummy */
 861         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
 862         SB_DSP4_OUTPUT_SW,
 863         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
 864         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
 865         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
 866         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
 867         SB_DSP4_MIC_DEV,
 868         SB_DSP4_SPEAKER_DEV,
 869         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
 870         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
 871         SB_DT019X_OUTPUT_SW2,
 872         SB_ALS4000_MONO_IO_CTRL,
 873         SB_ALS4000_MIC_IN_GAIN,
 874         SB_ALS4000_FMDAC,
 875         SB_ALS4000_3D_SND_FX,
 876         SB_ALS4000_3D_TIME_DELAY,
 877         SB_ALS4000_CR3_CONFIGURATION,
 878 };
 879
 880 static void save_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
 881 {
 882         unsigned char *val = chip->saved_regs;
 883         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
 884                 return;
 885         for (; num_regs; num_regs--)
 886                 *val++ = snd_sbmixer_read(chip, *regs++);
 887 }
 888
 889 static void restore_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
 890 {
 891         unsigned char *val = chip->saved_regs;
 892         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
 893                 return;
 894         for (; num_regs; num_regs--)
 895                 snd_sbmixer_write(chip, *regs++, *val++);
 896 }
 897
 898 void snd_sbmixer_suspend(struct snd_sb *chip)
 899 {
 900         switch (chip->hardware) {
 901         case SB_HW_20:
 902         case SB_HW_201:
 903                 save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
 904                 break;
 905         case SB_HW_PRO:
 906         case SB_HW_JAZZ16:
 907                 save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
 908                 break;
 909         case SB_HW_16:
 910         case SB_HW_ALS100:
 911         case SB_HW_CS5530:
 912                 save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
 913                 break;
 914         case SB_HW_ALS4000:
 915                 save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
 916                 break;
 917         case SB_HW_DT019X:
 918                 save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
 919                 break;
 920         default:
 921                 break;
 922         }
 923 }
 924
 925 void snd_sbmixer_resume(struct snd_sb *chip)
 926 {
 927         switch (chip->hardware) {
 928         case SB_HW_20:
 929         case SB_HW_201:
 930                 restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
 931                 break;
 932         case SB_HW_PRO:
 933         case SB_HW_JAZZ16:
 934                 restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
 935                 break;
 936         case SB_HW_16:
 937         case SB_HW_ALS100:
 938         case SB_HW_CS5530:
 939                 restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
 940                 break;
 941         case SB_HW_ALS4000:
 942                 restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
 943                 break;
 944         case SB_HW_DT019X:
 945                 restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
 946                 break;
 947         default:
 948                 break;
 949         }
 950 }
 951 #endif