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         if ((err = snd_ctl_add(chip->card, ctl)) < 0)
 489                 return err;
 490         return 0;
 491 }
 492
 493 /*
 494  * SB 2.0 specific mixer elements
 495  */
 496
 497 static const struct sbmix_elem snd_sb20_controls[] = {
 498         SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
 499         SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
 500         SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
 501         SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
 502 };
 503
 504 static const unsigned char snd_sb20_init_values[][2] = {
 505         { SB_DSP20_MASTER_DEV, 0 },
 506         { SB_DSP20_FM_DEV, 0 },
 507 };
 508
 509 /*
 510  * SB Pro specific mixer elements
 511  */
 512 static const struct sbmix_elem snd_sbpro_controls[] = {
 513         SB_DOUBLE("Master Playback Volume",
 514                   SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
 515         SB_DOUBLE("PCM Playback Volume",
 516                   SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
 517         SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
 518         SB_DOUBLE("Synth Playback Volume",
 519                   SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
 520         SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
 521         SB_DOUBLE("Line Playback Volume",
 522                   SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
 523         SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
 524         {
 525                 .name = "Capture Source",
 526                 .type = SB_MIX_CAPTURE_PRO
 527         },
 528         SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
 529         SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
 530 };
 531
 532 static const unsigned char snd_sbpro_init_values[][2] = {
 533         { SB_DSP_MASTER_DEV, 0 },
 534         { SB_DSP_PCM_DEV, 0 },
 535         { SB_DSP_FM_DEV, 0 },
 536 };
 537
 538 /*
 539  * SB16 specific mixer elements
 540  */
 541 static const struct sbmix_elem snd_sb16_controls[] = {
 542         SB_DOUBLE("Master Playback Volume",
 543                   SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
 544         SB_DOUBLE("PCM Playback Volume",
 545                   SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
 546         SB16_INPUT_SW("Synth Capture Route",
 547                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
 548         SB_DOUBLE("Synth Playback Volume",
 549                   SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
 550         SB16_INPUT_SW("CD Capture Route",
 551                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
 552         SB_DOUBLE("CD Playback Switch",
 553                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
 554         SB_DOUBLE("CD Playback Volume",
 555                   SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
 556         SB16_INPUT_SW("Mic Capture Route",
 557                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
 558         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
 559         SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
 560         SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
 561         SB_DOUBLE("Capture Volume",
 562                   SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
 563         SB_DOUBLE("Playback Volume",
 564                   SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
 565         SB16_INPUT_SW("Line Capture Route",
 566                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
 567         SB_DOUBLE("Line Playback Switch",
 568                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
 569         SB_DOUBLE("Line Playback Volume",
 570                   SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
 571         SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
 572         SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
 573         SB_DOUBLE("Tone Control - Bass",
 574                   SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
 575         SB_DOUBLE("Tone Control - Treble",
 576                   SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
 577 };
 578
 579 static const unsigned char snd_sb16_init_values[][2] = {
 580         { SB_DSP4_MASTER_DEV + 0, 0 },
 581         { SB_DSP4_MASTER_DEV + 1, 0 },
 582         { SB_DSP4_PCM_DEV + 0, 0 },
 583         { SB_DSP4_PCM_DEV + 1, 0 },
 584         { SB_DSP4_SYNTH_DEV + 0, 0 },
 585         { SB_DSP4_SYNTH_DEV + 1, 0 },
 586         { SB_DSP4_INPUT_LEFT, 0 },
 587         { SB_DSP4_INPUT_RIGHT, 0 },
 588         { SB_DSP4_OUTPUT_SW, 0 },
 589         { SB_DSP4_SPEAKER_DEV, 0 },
 590 };
 591
 592 /*
 593  * DT019x specific mixer elements
 594  */
 595 static const struct sbmix_elem snd_dt019x_controls[] = {
 596         /* ALS4000 below has some parts which we might be lacking,
 597          * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
 598         SB_DOUBLE("Master Playback Volume",
 599                   SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
 600         SB_DOUBLE("PCM Playback Switch",
 601                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
 602         SB_DOUBLE("PCM Playback Volume",
 603                   SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
 604         SB_DOUBLE("Synth Playback Switch",
 605                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
 606         SB_DOUBLE("Synth Playback Volume",
 607                   SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
 608         SB_DOUBLE("CD Playback Switch",
 609                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
 610         SB_DOUBLE("CD Playback Volume",
 611                   SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
 612         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
 613         SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
 614         SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7),
 615         SB_DOUBLE("Line Playback Switch",
 616                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
 617         SB_DOUBLE("Line Playback Volume",
 618                   SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
 619         {
 620                 .name = "Capture Source",
 621                 .type = SB_MIX_CAPTURE_DT019X
 622         }
 623 };
 624
 625 static const unsigned char snd_dt019x_init_values[][2] = {
 626         { SB_DT019X_MASTER_DEV, 0 },
 627         { SB_DT019X_PCM_DEV, 0 },
 628         { SB_DT019X_SYNTH_DEV, 0 },
 629         { SB_DT019X_CD_DEV, 0 },
 630         { SB_DT019X_MIC_DEV, 0 },       /* Includes PC-speaker in high nibble */
 631         { SB_DT019X_LINE_DEV, 0 },
 632         { SB_DSP4_OUTPUT_SW, 0 },
 633         { SB_DT019X_OUTPUT_SW2, 0 },
 634         { SB_DT019X_CAPTURE_SW, 0x06 },
 635 };
 636
 637 /*
 638  * ALS4000 specific mixer elements
 639  */
 640 static const struct sbmix_elem snd_als4000_controls[] = {
 641         SB_DOUBLE("PCM Playback Switch",
 642                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
 643         SB_DOUBLE("Synth Playback Switch",
 644                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
 645         SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
 646         SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
 647         {
 648                 .name = "Master Mono Capture Route",
 649                 .type = SB_MIX_MONO_CAPTURE_ALS4K
 650         },
 651         SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
 652         SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
 653         SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
 654         SB_SINGLE("Digital Loopback Switch",
 655                   SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
 656         /* FIXME: functionality of 3D controls might be swapped, I didn't find
 657          * a description of how to identify what is supposed to be what */
 658         SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
 659         /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
 660         SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
 661         /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
 662          * but what ALSA 3D attribute is that actually? "Center", "Depth",
 663          * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
 664         SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
 665         SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
 666         SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
 667                   SB_ALS4000_FMDAC, 5, 0x01),
 668 #ifdef NOT_AVAILABLE
 669         SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
 670         SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
 671 #endif
 672 };
 673
 674 static const unsigned char snd_als4000_init_values[][2] = {
 675         { SB_DSP4_MASTER_DEV + 0, 0 },
 676         { SB_DSP4_MASTER_DEV + 1, 0 },
 677         { SB_DSP4_PCM_DEV + 0, 0 },
 678         { SB_DSP4_PCM_DEV + 1, 0 },
 679         { SB_DSP4_SYNTH_DEV + 0, 0 },
 680         { SB_DSP4_SYNTH_DEV + 1, 0 },
 681         { SB_DSP4_SPEAKER_DEV, 0 },
 682         { SB_DSP4_OUTPUT_SW, 0 },
 683         { SB_DSP4_INPUT_LEFT, 0 },
 684         { SB_DSP4_INPUT_RIGHT, 0 },
 685         { SB_DT019X_OUTPUT_SW2, 0 },
 686         { SB_ALS4000_MIC_IN_GAIN, 0 },
 687 };
 688
 689 /*
 690  */
 691 static int snd_sbmixer_init(struct snd_sb *chip,
 692                             const struct sbmix_elem *controls,
 693                             int controls_count,
 694                             const unsigned char map[][2],
 695                             int map_count,
 696                             char *name)
 697 {
 698         unsigned long flags;
 699         struct snd_card *card = chip->card;
 700         int idx, err;
 701
 702         /* mixer reset */
 703         spin_lock_irqsave(&chip->mixer_lock, flags);
 704         snd_sbmixer_write(chip, 0x00, 0x00);
 705         spin_unlock_irqrestore(&chip->mixer_lock, flags);
 706
 707         /* mute and zero volume channels */
 708         for (idx = 0; idx < map_count; idx++) {
 709                 spin_lock_irqsave(&chip->mixer_lock, flags);
 710                 snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
 711                 spin_unlock_irqrestore(&chip->mixer_lock, flags);
 712         }
 713
 714         for (idx = 0; idx < controls_count; idx++) {
 715                 err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
 716                 if (err < 0)
 717                         return err;
 718         }
 719         snd_component_add(card, name);
 720         strcpy(card->mixername, name);
 721         return 0;
 722 }
 723
 724 int snd_sbmixer_new(struct snd_sb *chip)
 725 {
 726         struct snd_card *card;
 727         int err;
 728
 729         if (snd_BUG_ON(!chip || !chip->card))
 730                 return -EINVAL;
 731
 732         card = chip->card;
 733
 734         switch (chip->hardware) {
 735         case SB_HW_10:
 736                 return 0; /* no mixer chip on SB1.x */
 737         case SB_HW_20:
 738         case SB_HW_201:
 739                 if ((err = snd_sbmixer_init(chip,
 740                                             snd_sb20_controls,
 741                                             ARRAY_SIZE(snd_sb20_controls),
 742                                             snd_sb20_init_values,
 743                                             ARRAY_SIZE(snd_sb20_init_values),
 744                                             "CTL1335")) < 0)
 745                         return err;
 746                 break;
 747         case SB_HW_PRO:
 748         case SB_HW_JAZZ16:
 749                 if ((err = snd_sbmixer_init(chip,
 750                                             snd_sbpro_controls,
 751                                             ARRAY_SIZE(snd_sbpro_controls),
 752                                             snd_sbpro_init_values,
 753                                             ARRAY_SIZE(snd_sbpro_init_values),
 754                                             "CTL1345")) < 0)
 755                         return err;
 756                 break;
 757         case SB_HW_16:
 758         case SB_HW_ALS100:
 759         case SB_HW_CS5530:
 760                 if ((err = snd_sbmixer_init(chip,
 761                                             snd_sb16_controls,
 762                                             ARRAY_SIZE(snd_sb16_controls),
 763                                             snd_sb16_init_values,
 764                                             ARRAY_SIZE(snd_sb16_init_values),
 765                                             "CTL1745")) < 0)
 766                         return err;
 767                 break;
 768         case SB_HW_ALS4000:
 769                 /* use only the first 16 controls from SB16 */
 770                 err = snd_sbmixer_init(chip,
 771                                         snd_sb16_controls,
 772                                         16,
 773                                         snd_sb16_init_values,
 774                                         ARRAY_SIZE(snd_sb16_init_values),
 775                                         "ALS4000");
 776                 if (err < 0)
 777                         return err;
 778                 if ((err = snd_sbmixer_init(chip,
 779                                             snd_als4000_controls,
 780                                             ARRAY_SIZE(snd_als4000_controls),
 781                                             snd_als4000_init_values,
 782                                             ARRAY_SIZE(snd_als4000_init_values),
 783                                             "ALS4000")) < 0)
 784                         return err;
 785                 break;
 786         case SB_HW_DT019X:
 787                 err = snd_sbmixer_init(chip,
 788                                        snd_dt019x_controls,
 789                                        ARRAY_SIZE(snd_dt019x_controls),
 790                                        snd_dt019x_init_values,
 791                                        ARRAY_SIZE(snd_dt019x_init_values),
 792                                        "DT019X");
 793                 if (err < 0)
 794                         return err;
 795                 break;
 796         default:
 797                 strcpy(card->mixername, "???");
 798         }
 799         return 0;
 800 }
 801
 802 #ifdef CONFIG_PM
 803 static const unsigned char sb20_saved_regs[] = {
 804         SB_DSP20_MASTER_DEV,
 805         SB_DSP20_PCM_DEV,
 806         SB_DSP20_FM_DEV,
 807         SB_DSP20_CD_DEV,
 808 };
 809
 810 static const unsigned char sbpro_saved_regs[] = {
 811         SB_DSP_MASTER_DEV,
 812         SB_DSP_PCM_DEV,
 813         SB_DSP_PLAYBACK_FILT,
 814         SB_DSP_FM_DEV,
 815         SB_DSP_CD_DEV,
 816         SB_DSP_LINE_DEV,
 817         SB_DSP_MIC_DEV,
 818         SB_DSP_CAPTURE_SOURCE,
 819         SB_DSP_CAPTURE_FILT,
 820 };
 821
 822 static const unsigned char sb16_saved_regs[] = {
 823         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
 824         SB_DSP4_3DSE,
 825         SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
 826         SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
 827         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
 828         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
 829         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
 830         SB_DSP4_OUTPUT_SW,
 831         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
 832         SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
 833         SB_DSP4_MIC_DEV,
 834         SB_DSP4_SPEAKER_DEV,
 835         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
 836         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
 837         SB_DSP4_MIC_AGC
 838 };
 839
 840 static const unsigned char dt019x_saved_regs[] = {
 841         SB_DT019X_MASTER_DEV,
 842         SB_DT019X_PCM_DEV,
 843         SB_DT019X_SYNTH_DEV,
 844         SB_DT019X_CD_DEV,
 845         SB_DT019X_MIC_DEV,
 846         SB_DT019X_SPKR_DEV,
 847         SB_DT019X_LINE_DEV,
 848         SB_DSP4_OUTPUT_SW,
 849         SB_DT019X_OUTPUT_SW2,
 850         SB_DT019X_CAPTURE_SW,
 851 };
 852
 853 static const unsigned char als4000_saved_regs[] = {
 854         /* please verify in dsheet whether regs to be added
 855            are actually real H/W or just dummy */
 856         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
 857         SB_DSP4_OUTPUT_SW,
 858         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
 859         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
 860         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
 861         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
 862         SB_DSP4_MIC_DEV,
 863         SB_DSP4_SPEAKER_DEV,
 864         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
 865         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
 866         SB_DT019X_OUTPUT_SW2,
 867         SB_ALS4000_MONO_IO_CTRL,
 868         SB_ALS4000_MIC_IN_GAIN,
 869         SB_ALS4000_FMDAC,
 870         SB_ALS4000_3D_SND_FX,
 871         SB_ALS4000_3D_TIME_DELAY,
 872         SB_ALS4000_CR3_CONFIGURATION,
 873 };
 874
 875 static void save_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
 876 {
 877         unsigned char *val = chip->saved_regs;
 878         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
 879                 return;
 880         for (; num_regs; num_regs--)
 881                 *val++ = snd_sbmixer_read(chip, *regs++);
 882 }
 883
 884 static void restore_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
 885 {
 886         unsigned char *val = chip->saved_regs;
 887         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
 888                 return;
 889         for (; num_regs; num_regs--)
 890                 snd_sbmixer_write(chip, *regs++, *val++);
 891 }
 892
 893 void snd_sbmixer_suspend(struct snd_sb *chip)
 894 {
 895         switch (chip->hardware) {
 896         case SB_HW_20:
 897         case SB_HW_201:
 898                 save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
 899                 break;
 900         case SB_HW_PRO:
 901         case SB_HW_JAZZ16:
 902                 save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
 903                 break;
 904         case SB_HW_16:
 905         case SB_HW_ALS100:
 906         case SB_HW_CS5530:
 907                 save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
 908                 break;
 909         case SB_HW_ALS4000:
 910                 save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
 911                 break;
 912         case SB_HW_DT019X:
 913                 save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
 914                 break;
 915         default:
 916                 break;
 917         }
 918 }
 919
 920 void snd_sbmixer_resume(struct snd_sb *chip)
 921 {
 922         switch (chip->hardware) {
 923         case SB_HW_20:
 924         case SB_HW_201:
 925                 restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
 926                 break;
 927         case SB_HW_PRO:
 928         case SB_HW_JAZZ16:
 929                 restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
 930                 break;
 931         case SB_HW_16:
 932         case SB_HW_ALS100:
 933         case SB_HW_CS5530:
 934                 restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
 935                 break;
 936         case SB_HW_ALS4000:
 937                 restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
 938                 break;
 939         case SB_HW_DT019X:
 940                 restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
 941                 break;
 942         default:
 943                 break;
 944         }
 945 }
 946 #endif