linux/sound/ppc/awacs.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * PMac AWACS lowlevel functions
   4 *
   5 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
   6 * code based on dmasound.c.
   7 */
   8
   9
  10#include <linux/io.h>
  11#include <asm/nvram.h>
  12#include <linux/init.h>
  13#include <linux/delay.h>
  14#include <linux/slab.h>
  15#include <sound/core.h>
  16#include "pmac.h"
  17
  18
  19#ifdef CONFIG_ADB_CUDA
  20#define PMAC_AMP_AVAIL
  21#endif
  22
  23#ifdef PMAC_AMP_AVAIL
  24struct awacs_amp {
  25        unsigned char amp_master;
  26        unsigned char amp_vol[2][2];
  27        unsigned char amp_tone[2];
  28};
  29
  30#define CHECK_CUDA_AMP() (sys_ctrler == SYS_CTRLER_CUDA)
  31
  32#endif /* PMAC_AMP_AVAIL */
  33
  34
  35static void snd_pmac_screamer_wait(struct snd_pmac *chip)
  36{
  37        long timeout = 2000;
  38        while (!(in_le32(&chip->awacs->codec_stat) & MASK_VALID)) {
  39                mdelay(1);
  40                if (! --timeout) {
  41                        snd_printd("snd_pmac_screamer_wait timeout\n");
  42                        break;
  43                }
  44        }
  45}
  46
  47/*
  48 * write AWACS register
  49 */
  50static void
  51snd_pmac_awacs_write(struct snd_pmac *chip, int val)
  52{
  53        long timeout = 5000000;
  54
  55        if (chip->model == PMAC_SCREAMER)
  56                snd_pmac_screamer_wait(chip);
  57        out_le32(&chip->awacs->codec_ctrl, val | (chip->subframe << 22));
  58        while (in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) {
  59                if (! --timeout) {
  60                        snd_printd("snd_pmac_awacs_write timeout\n");
  61                        break;
  62                }
  63        }
  64}
  65
  66static void
  67snd_pmac_awacs_write_reg(struct snd_pmac *chip, int reg, int val)
  68{
  69        snd_pmac_awacs_write(chip, val | (reg << 12));
  70        chip->awacs_reg[reg] = val;
  71}
  72
  73static void
  74snd_pmac_awacs_write_noreg(struct snd_pmac *chip, int reg, int val)
  75{
  76        snd_pmac_awacs_write(chip, val | (reg << 12));
  77}
  78
  79#ifdef CONFIG_PM
  80/* Recalibrate chip */
  81static void screamer_recalibrate(struct snd_pmac *chip)
  82{
  83        if (chip->model != PMAC_SCREAMER)
  84                return;
  85
  86        /* Sorry for the horrible delays... I hope to get that improved
  87         * by making the whole PM process asynchronous in a future version
  88         */
  89        snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
  90        if (chip->manufacturer == 0x1)
  91                /* delay for broken crystal part */
  92                msleep(750);
  93        snd_pmac_awacs_write_noreg(chip, 1,
  94                                   chip->awacs_reg[1] | MASK_RECALIBRATE |
  95                                   MASK_CMUTE | MASK_AMUTE);
  96        snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
  97        snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
  98}
  99
 100#else
 101#define screamer_recalibrate(chip) /* NOP */
 102#endif
 103
 104
 105/*
 106 * additional callback to set the pcm format
 107 */
 108static void snd_pmac_awacs_set_format(struct snd_pmac *chip)
 109{
 110        chip->awacs_reg[1] &= ~MASK_SAMPLERATE;
 111        chip->awacs_reg[1] |= chip->rate_index << 3;
 112        snd_pmac_awacs_write_reg(chip, 1, chip->awacs_reg[1]);
 113}
 114
 115
 116/*
 117 * AWACS volume callbacks
 118 */
 119/*
 120 * volumes: 0-15 stereo
 121 */
 122static int snd_pmac_awacs_info_volume(struct snd_kcontrol *kcontrol,
 123                                      struct snd_ctl_elem_info *uinfo)
 124{
 125        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 126        uinfo->count = 2;
 127        uinfo->value.integer.min = 0;
 128        uinfo->value.integer.max = 15;
 129        return 0;
 130}
 131
 132static int snd_pmac_awacs_get_volume(struct snd_kcontrol *kcontrol,
 133                                     struct snd_ctl_elem_value *ucontrol)
 134{
 135        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 136        int reg = kcontrol->private_value & 0xff;
 137        int lshift = (kcontrol->private_value >> 8) & 0xff;
 138        int inverted = (kcontrol->private_value >> 16) & 1;
 139        unsigned long flags;
 140        int vol[2];
 141
 142        spin_lock_irqsave(&chip->reg_lock, flags);
 143        vol[0] = (chip->awacs_reg[reg] >> lshift) & 0xf;
 144        vol[1] = chip->awacs_reg[reg] & 0xf;
 145        spin_unlock_irqrestore(&chip->reg_lock, flags);
 146        if (inverted) {
 147                vol[0] = 0x0f - vol[0];
 148                vol[1] = 0x0f - vol[1];
 149        }
 150        ucontrol->value.integer.value[0] = vol[0];
 151        ucontrol->value.integer.value[1] = vol[1];
 152        return 0;
 153}
 154
 155static int snd_pmac_awacs_put_volume(struct snd_kcontrol *kcontrol,
 156                                     struct snd_ctl_elem_value *ucontrol)
 157{
 158        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 159        int reg = kcontrol->private_value & 0xff;
 160        int lshift = (kcontrol->private_value >> 8) & 0xff;
 161        int inverted = (kcontrol->private_value >> 16) & 1;
 162        int val, oldval;
 163        unsigned long flags;
 164        unsigned int vol[2];
 165
 166        vol[0] = ucontrol->value.integer.value[0];
 167        vol[1] = ucontrol->value.integer.value[1];
 168        if (vol[0] > 0x0f || vol[1] > 0x0f)
 169                return -EINVAL;
 170        if (inverted) {
 171                vol[0] = 0x0f - vol[0];
 172                vol[1] = 0x0f - vol[1];
 173        }
 174        vol[0] &= 0x0f;
 175        vol[1] &= 0x0f;
 176        spin_lock_irqsave(&chip->reg_lock, flags);
 177        oldval = chip->awacs_reg[reg];
 178        val = oldval & ~(0xf | (0xf << lshift));
 179        val |= vol[0] << lshift;
 180        val |= vol[1];
 181        if (oldval != val)
 182                snd_pmac_awacs_write_reg(chip, reg, val);
 183        spin_unlock_irqrestore(&chip->reg_lock, flags);
 184        return oldval != reg;
 185}
 186
 187
 188#define AWACS_VOLUME(xname, xreg, xshift, xinverted) \
 189{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
 190  .info = snd_pmac_awacs_info_volume, \
 191  .get = snd_pmac_awacs_get_volume, \
 192  .put = snd_pmac_awacs_put_volume, \
 193  .private_value = (xreg) | ((xshift) << 8) | ((xinverted) << 16) }
 194
 195/*
 196 * mute master/ogain for AWACS: mono
 197 */
 198static int snd_pmac_awacs_get_switch(struct snd_kcontrol *kcontrol,
 199                                     struct snd_ctl_elem_value *ucontrol)
 200{
 201        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 202        int reg = kcontrol->private_value & 0xff;
 203        int shift = (kcontrol->private_value >> 8) & 0xff;
 204        int invert = (kcontrol->private_value >> 16) & 1;
 205        int val;
 206        unsigned long flags;
 207
 208        spin_lock_irqsave(&chip->reg_lock, flags);
 209        val = (chip->awacs_reg[reg] >> shift) & 1;
 210        spin_unlock_irqrestore(&chip->reg_lock, flags);
 211        if (invert)
 212                val = 1 - val;
 213        ucontrol->value.integer.value[0] = val;
 214        return 0;
 215}
 216
 217static int snd_pmac_awacs_put_switch(struct snd_kcontrol *kcontrol,
 218                                     struct snd_ctl_elem_value *ucontrol)
 219{
 220        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 221        int reg = kcontrol->private_value & 0xff;
 222        int shift = (kcontrol->private_value >> 8) & 0xff;
 223        int invert = (kcontrol->private_value >> 16) & 1;
 224        int mask = 1 << shift;
 225        int val, changed;
 226        unsigned long flags;
 227
 228        spin_lock_irqsave(&chip->reg_lock, flags);
 229        val = chip->awacs_reg[reg] & ~mask;
 230        if (ucontrol->value.integer.value[0] != invert)
 231                val |= mask;
 232        changed = chip->awacs_reg[reg] != val;
 233        if (changed)
 234                snd_pmac_awacs_write_reg(chip, reg, val);
 235        spin_unlock_irqrestore(&chip->reg_lock, flags);
 236        return changed;
 237}
 238
 239#define AWACS_SWITCH(xname, xreg, xshift, xinvert) \
 240{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
 241  .info = snd_pmac_boolean_mono_info, \
 242  .get = snd_pmac_awacs_get_switch, \
 243  .put = snd_pmac_awacs_put_switch, \
 244  .private_value = (xreg) | ((xshift) << 8) | ((xinvert) << 16) }
 245
 246
 247#ifdef PMAC_AMP_AVAIL
 248/*
 249 * controls for perch/whisper extension cards, e.g. G3 desktop
 250 *
 251 * TDA7433 connected via i2c address 0x45 (= 0x8a),
 252 * accessed through cuda
 253 */
 254static void awacs_set_cuda(int reg, int val)
 255{
 256        struct adb_request req;
 257        cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, 0x8a,
 258                        reg, val);
 259        while (! req.complete)
 260                cuda_poll();
 261}
 262
 263/*
 264 * level = 0 - 14, 7 = 0 dB
 265 */
 266static void awacs_amp_set_tone(struct awacs_amp *amp, int bass, int treble)
 267{
 268        amp->amp_tone[0] = bass;
 269        amp->amp_tone[1] = treble;
 270        if (bass > 7)
 271                bass = (14 - bass) + 8;
 272        if (treble > 7)
 273                treble = (14 - treble) + 8;
 274        awacs_set_cuda(2, (bass << 4) | treble);
 275}
 276
 277/*
 278 * vol = 0 - 31 (attenuation), 32 = mute bit, stereo
 279 */
 280static int awacs_amp_set_vol(struct awacs_amp *amp, int index,
 281                             int lvol, int rvol, int do_check)
 282{
 283        if (do_check && amp->amp_vol[index][0] == lvol &&
 284                        amp->amp_vol[index][1] == rvol)
 285                return 0;
 286        awacs_set_cuda(3 + index, lvol);
 287        awacs_set_cuda(5 + index, rvol);
 288        amp->amp_vol[index][0] = lvol;
 289        amp->amp_vol[index][1] = rvol;
 290        return 1;
 291}
 292
 293/*
 294 * 0 = -79 dB, 79 = 0 dB, 99 = +20 dB
 295 */
 296static void awacs_amp_set_master(struct awacs_amp *amp, int vol)
 297{
 298        amp->amp_master = vol;
 299        if (vol <= 79)
 300                vol = 32 + (79 - vol);
 301        else
 302                vol = 32 - (vol - 79);
 303        awacs_set_cuda(1, vol);
 304}
 305
 306static void awacs_amp_free(struct snd_pmac *chip)
 307{
 308        struct awacs_amp *amp = chip->mixer_data;
 309        if (!amp)
 310                return;
 311        kfree(amp);
 312        chip->mixer_data = NULL;
 313        chip->mixer_free = NULL;
 314}
 315
 316
 317/*
 318 * mixer controls
 319 */
 320static int snd_pmac_awacs_info_volume_amp(struct snd_kcontrol *kcontrol,
 321                                          struct snd_ctl_elem_info *uinfo)
 322{
 323        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 324        uinfo->count = 2;
 325        uinfo->value.integer.min = 0;
 326        uinfo->value.integer.max = 31;
 327        return 0;
 328}
 329
 330static int snd_pmac_awacs_get_volume_amp(struct snd_kcontrol *kcontrol,
 331                                         struct snd_ctl_elem_value *ucontrol)
 332{
 333        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 334        int index = kcontrol->private_value;
 335        struct awacs_amp *amp = chip->mixer_data;
 336
 337        ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31);
 338        ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31);
 339        return 0;
 340}
 341
 342static int snd_pmac_awacs_put_volume_amp(struct snd_kcontrol *kcontrol,
 343                                         struct snd_ctl_elem_value *ucontrol)
 344{
 345        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 346        int index = kcontrol->private_value;
 347        int vol[2];
 348        struct awacs_amp *amp = chip->mixer_data;
 349
 350        vol[0] = (31 - (ucontrol->value.integer.value[0] & 31))
 351                | (amp->amp_vol[index][0] & 32);
 352        vol[1] = (31 - (ucontrol->value.integer.value[1] & 31))
 353                | (amp->amp_vol[index][1] & 32);
 354        return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 355}
 356
 357static int snd_pmac_awacs_get_switch_amp(struct snd_kcontrol *kcontrol,
 358                                         struct snd_ctl_elem_value *ucontrol)
 359{
 360        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 361        int index = kcontrol->private_value;
 362        struct awacs_amp *amp = chip->mixer_data;
 363
 364        ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32)
 365                                        ? 0 : 1;
 366        ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32)
 367                                        ? 0 : 1;
 368        return 0;
 369}
 370
 371static int snd_pmac_awacs_put_switch_amp(struct snd_kcontrol *kcontrol,
 372                                         struct snd_ctl_elem_value *ucontrol)
 373{
 374        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 375        int index = kcontrol->private_value;
 376        int vol[2];
 377        struct awacs_amp *amp = chip->mixer_data;
 378
 379        vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32)
 380                | (amp->amp_vol[index][0] & 31);
 381        vol[1] = (ucontrol->value.integer.value[1] ? 0 : 32)
 382                | (amp->amp_vol[index][1] & 31);
 383        return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 384}
 385
 386static int snd_pmac_awacs_info_tone_amp(struct snd_kcontrol *kcontrol,
 387                                        struct snd_ctl_elem_info *uinfo)
 388{
 389        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 390        uinfo->count = 1;
 391        uinfo->value.integer.min = 0;
 392        uinfo->value.integer.max = 14;
 393        return 0;
 394}
 395
 396static int snd_pmac_awacs_get_tone_amp(struct snd_kcontrol *kcontrol,
 397                                       struct snd_ctl_elem_value *ucontrol)
 398{
 399        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 400        int index = kcontrol->private_value;
 401        struct awacs_amp *amp = chip->mixer_data;
 402
 403        ucontrol->value.integer.value[0] = amp->amp_tone[index];
 404        return 0;
 405}
 406
 407static int snd_pmac_awacs_put_tone_amp(struct snd_kcontrol *kcontrol,
 408                                       struct snd_ctl_elem_value *ucontrol)
 409{
 410        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 411        int index = kcontrol->private_value;
 412        struct awacs_amp *amp = chip->mixer_data;
 413        unsigned int val;
 414
 415        val = ucontrol->value.integer.value[0];
 416        if (val > 14)
 417                return -EINVAL;
 418        if (val != amp->amp_tone[index]) {
 419                amp->amp_tone[index] = val;
 420                awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
 421                return 1;
 422        }
 423        return 0;
 424}
 425
 426static int snd_pmac_awacs_info_master_amp(struct snd_kcontrol *kcontrol,
 427                                          struct snd_ctl_elem_info *uinfo)
 428{
 429        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 430        uinfo->count = 1;
 431        uinfo->value.integer.min = 0;
 432        uinfo->value.integer.max = 99;
 433        return 0;
 434}
 435
 436static int snd_pmac_awacs_get_master_amp(struct snd_kcontrol *kcontrol,
 437                                         struct snd_ctl_elem_value *ucontrol)
 438{
 439        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 440        struct awacs_amp *amp = chip->mixer_data;
 441
 442        ucontrol->value.integer.value[0] = amp->amp_master;
 443        return 0;
 444}
 445
 446static int snd_pmac_awacs_put_master_amp(struct snd_kcontrol *kcontrol,
 447                                         struct snd_ctl_elem_value *ucontrol)
 448{
 449        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 450        struct awacs_amp *amp = chip->mixer_data;
 451        unsigned int val;
 452
 453        val = ucontrol->value.integer.value[0];
 454        if (val > 99)
 455                return -EINVAL;
 456        if (val != amp->amp_master) {
 457                amp->amp_master = val;
 458                awacs_amp_set_master(amp, amp->amp_master);
 459                return 1;
 460        }
 461        return 0;
 462}
 463
 464#define AMP_CH_SPK      0
 465#define AMP_CH_HD       1
 466
 467static const struct snd_kcontrol_new snd_pmac_awacs_amp_vol[] = {
 468        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 469          .name = "Speaker Playback Volume",
 470          .info = snd_pmac_awacs_info_volume_amp,
 471          .get = snd_pmac_awacs_get_volume_amp,
 472          .put = snd_pmac_awacs_put_volume_amp,
 473          .private_value = AMP_CH_SPK,
 474        },
 475        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 476          .name = "Headphone Playback Volume",
 477          .info = snd_pmac_awacs_info_volume_amp,
 478          .get = snd_pmac_awacs_get_volume_amp,
 479          .put = snd_pmac_awacs_put_volume_amp,
 480          .private_value = AMP_CH_HD,
 481        },
 482        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 483          .name = "Tone Control - Bass",
 484          .info = snd_pmac_awacs_info_tone_amp,
 485          .get = snd_pmac_awacs_get_tone_amp,
 486          .put = snd_pmac_awacs_put_tone_amp,
 487          .private_value = 0,
 488        },
 489        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 490          .name = "Tone Control - Treble",
 491          .info = snd_pmac_awacs_info_tone_amp,
 492          .get = snd_pmac_awacs_get_tone_amp,
 493          .put = snd_pmac_awacs_put_tone_amp,
 494          .private_value = 1,
 495        },
 496        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 497          .name = "Amp Master Playback Volume",
 498          .info = snd_pmac_awacs_info_master_amp,
 499          .get = snd_pmac_awacs_get_master_amp,
 500          .put = snd_pmac_awacs_put_master_amp,
 501        },
 502};
 503
 504static const struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw = {
 505        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 506        .name = "Headphone Playback Switch",
 507        .info = snd_pmac_boolean_stereo_info,
 508        .get = snd_pmac_awacs_get_switch_amp,
 509        .put = snd_pmac_awacs_put_switch_amp,
 510        .private_value = AMP_CH_HD,
 511};
 512
 513static const struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw = {
 514        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 515        .name = "Speaker Playback Switch",
 516        .info = snd_pmac_boolean_stereo_info,
 517        .get = snd_pmac_awacs_get_switch_amp,
 518        .put = snd_pmac_awacs_put_switch_amp,
 519        .private_value = AMP_CH_SPK,
 520};
 521
 522#endif /* PMAC_AMP_AVAIL */
 523
 524
 525/*
 526 * mic boost for screamer
 527 */
 528static int snd_pmac_screamer_mic_boost_info(struct snd_kcontrol *kcontrol,
 529                                            struct snd_ctl_elem_info *uinfo)
 530{
 531        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 532        uinfo->count = 1;
 533        uinfo->value.integer.min = 0;
 534        uinfo->value.integer.max = 3;
 535        return 0;
 536}
 537
 538static int snd_pmac_screamer_mic_boost_get(struct snd_kcontrol *kcontrol,
 539                                           struct snd_ctl_elem_value *ucontrol)
 540{
 541        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 542        int val = 0;
 543        unsigned long flags;
 544
 545        spin_lock_irqsave(&chip->reg_lock, flags);
 546        if (chip->awacs_reg[6] & MASK_MIC_BOOST)
 547                val |= 2;
 548        if (chip->awacs_reg[0] & MASK_GAINLINE)
 549                val |= 1;
 550        spin_unlock_irqrestore(&chip->reg_lock, flags);
 551        ucontrol->value.integer.value[0] = val;
 552        return 0;
 553}
 554
 555static int snd_pmac_screamer_mic_boost_put(struct snd_kcontrol *kcontrol,
 556                                           struct snd_ctl_elem_value *ucontrol)
 557{
 558        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 559        int changed = 0;
 560        int val0, val6;
 561        unsigned long flags;
 562
 563        spin_lock_irqsave(&chip->reg_lock, flags);
 564        val0 = chip->awacs_reg[0] & ~MASK_GAINLINE;
 565        val6 = chip->awacs_reg[6] & ~MASK_MIC_BOOST;
 566        if (ucontrol->value.integer.value[0] & 1)
 567                val0 |= MASK_GAINLINE;
 568        if (ucontrol->value.integer.value[0] & 2)
 569                val6 |= MASK_MIC_BOOST;
 570        if (val0 != chip->awacs_reg[0]) {
 571                snd_pmac_awacs_write_reg(chip, 0, val0);
 572                changed = 1;
 573        }
 574        if (val6 != chip->awacs_reg[6]) {
 575                snd_pmac_awacs_write_reg(chip, 6, val6);
 576                changed = 1;
 577        }
 578        spin_unlock_irqrestore(&chip->reg_lock, flags);
 579        return changed;
 580}
 581
 582/*
 583 * lists of mixer elements
 584 */
 585static const struct snd_kcontrol_new snd_pmac_awacs_mixers[] = {
 586        AWACS_SWITCH("Master Capture Switch", 1, SHIFT_LOOPTHRU, 0),
 587        AWACS_VOLUME("Master Capture Volume", 0, 4, 0),
 588/*      AWACS_SWITCH("Unknown Playback Switch", 6, SHIFT_PAROUT0, 0), */
 589};
 590
 591static const struct snd_kcontrol_new snd_pmac_screamer_mixers_beige[] = {
 592        AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
 593        AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
 594        AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 595        AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_LINE, 0),
 596};
 597
 598static const struct snd_kcontrol_new snd_pmac_screamer_mixers_lo[] = {
 599        AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
 600};
 601
 602static const struct snd_kcontrol_new snd_pmac_screamer_mixers_imac[] = {
 603        AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
 604        AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 605};
 606
 607static const struct snd_kcontrol_new snd_pmac_screamer_mixers_g4agp[] = {
 608        AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
 609        AWACS_VOLUME("Master Playback Volume", 5, 6, 1),
 610        AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 611        AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 612};
 613
 614static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac7500[] = {
 615        AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
 616        AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 617        AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 618};
 619
 620static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac5500[] = {
 621        AWACS_VOLUME("Headphone Playback Volume", 2, 6, 1),
 622};
 623
 624static const struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac[] = {
 625        AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
 626        AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 627};
 628
 629/* FIXME: is this correct order?
 630 * screamer (powerbook G3 pismo) seems to have different bits...
 631 */
 632static const struct snd_kcontrol_new snd_pmac_awacs_mixers2[] = {
 633        AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_LINE, 0),
 634        AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_MIC, 0),
 635};
 636
 637static const struct snd_kcontrol_new snd_pmac_screamer_mixers2[] = {
 638        AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 639        AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0),
 640};
 641
 642static const struct snd_kcontrol_new snd_pmac_awacs_mixers2_pmac5500[] = {
 643        AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 644};
 645
 646static const struct snd_kcontrol_new snd_pmac_awacs_master_sw =
 647AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1);
 648
 649static const struct snd_kcontrol_new snd_pmac_awacs_master_sw_imac =
 650AWACS_SWITCH("Line out Playback Switch", 1, SHIFT_HDMUTE, 1);
 651
 652static const struct snd_kcontrol_new snd_pmac_awacs_master_sw_pmac5500 =
 653AWACS_SWITCH("Headphone Playback Switch", 1, SHIFT_HDMUTE, 1);
 654
 655static const struct snd_kcontrol_new snd_pmac_awacs_mic_boost[] = {
 656        AWACS_SWITCH("Mic Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 657};
 658
 659static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost[] = {
 660        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 661          .name = "Mic Boost Capture Volume",
 662          .info = snd_pmac_screamer_mic_boost_info,
 663          .get = snd_pmac_screamer_mic_boost_get,
 664          .put = snd_pmac_screamer_mic_boost_put,
 665        },
 666};
 667
 668static const struct snd_kcontrol_new snd_pmac_awacs_mic_boost_pmac7500[] =
 669{
 670        AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 671};
 672
 673static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost_beige[] =
 674{
 675        AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 676        AWACS_SWITCH("CD Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
 677};
 678
 679static const struct snd_kcontrol_new snd_pmac_screamer_mic_boost_imac[] =
 680{
 681        AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 682        AWACS_SWITCH("Mic Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
 683};
 684
 685static const struct snd_kcontrol_new snd_pmac_awacs_speaker_vol[] = {
 686        AWACS_VOLUME("Speaker Playback Volume", 4, 6, 1),
 687};
 688
 689static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw =
 690AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_SPKMUTE, 1);
 691
 692static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac1 =
 693AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_PAROUT1, 1);
 694
 695static const struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac2 =
 696AWACS_SWITCH("Speaker Playback Switch", 1, SHIFT_PAROUT1, 0);
 697
 698
 699/*
 700 * add new mixer elements to the card
 701 */
 702static int build_mixers(struct snd_pmac *chip, int nums,
 703                        const struct snd_kcontrol_new *mixers)
 704{
 705        int i, err;
 706
 707        for (i = 0; i < nums; i++) {
 708                err = snd_ctl_add(chip->card, snd_ctl_new1(&mixers[i], chip));
 709                if (err < 0)
 710                        return err;
 711        }
 712        return 0;
 713}
 714
 715
 716/*
 717 * restore all registers
 718 */
 719static void awacs_restore_all_regs(struct snd_pmac *chip)
 720{
 721        snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
 722        snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
 723        snd_pmac_awacs_write_noreg(chip, 2, chip->awacs_reg[2]);
 724        snd_pmac_awacs_write_noreg(chip, 4, chip->awacs_reg[4]);
 725        if (chip->model == PMAC_SCREAMER) {
 726                snd_pmac_awacs_write_noreg(chip, 5, chip->awacs_reg[5]);
 727                snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 728                snd_pmac_awacs_write_noreg(chip, 7, chip->awacs_reg[7]);
 729        }
 730}
 731
 732#ifdef CONFIG_PM
 733static void snd_pmac_awacs_suspend(struct snd_pmac *chip)
 734{
 735        snd_pmac_awacs_write_noreg(chip, 1, (chip->awacs_reg[1]
 736                                             | MASK_AMUTE | MASK_CMUTE));
 737}
 738
 739static void snd_pmac_awacs_resume(struct snd_pmac *chip)
 740{
 741        if (of_machine_is_compatible("PowerBook3,1")
 742            || of_machine_is_compatible("PowerBook3,2")) {
 743                msleep(100);
 744                snd_pmac_awacs_write_reg(chip, 1,
 745                        chip->awacs_reg[1] & ~MASK_PAROUT);
 746                msleep(300);
 747        }
 748
 749        awacs_restore_all_regs(chip);
 750        if (chip->model == PMAC_SCREAMER) {
 751                /* reset power bits in reg 6 */
 752                mdelay(5);
 753                snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 754        }
 755        screamer_recalibrate(chip);
 756#ifdef PMAC_AMP_AVAIL
 757        if (chip->mixer_data) {
 758                struct awacs_amp *amp = chip->mixer_data;
 759                awacs_amp_set_vol(amp, 0,
 760                                  amp->amp_vol[0][0], amp->amp_vol[0][1], 0);
 761                awacs_amp_set_vol(amp, 1,
 762                                  amp->amp_vol[1][0], amp->amp_vol[1][1], 0);
 763                awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
 764                awacs_amp_set_master(amp, amp->amp_master);
 765        }
 766#endif
 767}
 768#endif /* CONFIG_PM */
 769
 770#define IS_PM7500 (of_machine_is_compatible("AAPL,7500") \
 771                || of_machine_is_compatible("AAPL,8500") \
 772                || of_machine_is_compatible("AAPL,9500"))
 773#define IS_PM5500 (of_machine_is_compatible("AAPL,e411"))
 774#define IS_BEIGE (of_machine_is_compatible("AAPL,Gossamer"))
 775#define IS_IMAC1 (of_machine_is_compatible("PowerMac2,1"))
 776#define IS_IMAC2 (of_machine_is_compatible("PowerMac2,2") \
 777                || of_machine_is_compatible("PowerMac4,1"))
 778#define IS_G4AGP (of_machine_is_compatible("PowerMac3,1"))
 779#define IS_LOMBARD (of_machine_is_compatible("PowerBook1,1"))
 780
 781static int imac1, imac2;
 782
 783#ifdef PMAC_SUPPORT_AUTOMUTE
 784/*
 785 * auto-mute stuffs
 786 */
 787static int snd_pmac_awacs_detect_headphone(struct snd_pmac *chip)
 788{
 789        return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
 790}
 791
 792#ifdef PMAC_AMP_AVAIL
 793static int toggle_amp_mute(struct awacs_amp *amp, int index, int mute)
 794{
 795        int vol[2];
 796        vol[0] = amp->amp_vol[index][0] & 31;
 797        vol[1] = amp->amp_vol[index][1] & 31;
 798        if (mute) {
 799                vol[0] |= 32;
 800                vol[1] |= 32;
 801        }
 802        return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 803}
 804#endif
 805
 806static void snd_pmac_awacs_update_automute(struct snd_pmac *chip, int do_notify)
 807{
 808        if (chip->auto_mute) {
 809#ifdef PMAC_AMP_AVAIL
 810                if (chip->mixer_data) {
 811                        struct awacs_amp *amp = chip->mixer_data;
 812                        int changed;
 813                        if (snd_pmac_awacs_detect_headphone(chip)) {
 814                                changed = toggle_amp_mute(amp, AMP_CH_HD, 0);
 815                                changed |= toggle_amp_mute(amp, AMP_CH_SPK, 1);
 816                        } else {
 817                                changed = toggle_amp_mute(amp, AMP_CH_HD, 1);
 818                                changed |= toggle_amp_mute(amp, AMP_CH_SPK, 0);
 819                        }
 820                        if (do_notify && ! changed)
 821                                return;
 822                } else
 823#endif
 824                {
 825                        int reg = chip->awacs_reg[1]
 826                                | (MASK_HDMUTE | MASK_SPKMUTE);
 827                        if (imac1) {
 828                                reg &= ~MASK_SPKMUTE;
 829                                reg |= MASK_PAROUT1;
 830                        } else if (imac2) {
 831                                reg &= ~MASK_SPKMUTE;
 832                                reg &= ~MASK_PAROUT1;
 833                        }
 834                        if (snd_pmac_awacs_detect_headphone(chip))
 835                                reg &= ~MASK_HDMUTE;
 836                        else if (imac1)
 837                                reg &= ~MASK_PAROUT1;
 838                        else if (imac2)
 839                                reg |= MASK_PAROUT1;
 840                        else
 841                                reg &= ~MASK_SPKMUTE;
 842                        if (do_notify && reg == chip->awacs_reg[1])
 843                                return;
 844                        snd_pmac_awacs_write_reg(chip, 1, reg);
 845                }
 846                if (do_notify) {
 847                        snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 848                                       &chip->master_sw_ctl->id);
 849                        snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 850                                       &chip->speaker_sw_ctl->id);
 851                        snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 852                                       &chip->hp_detect_ctl->id);
 853                }
 854        }
 855}
 856#endif /* PMAC_SUPPORT_AUTOMUTE */
 857
 858
 859/*
 860 * initialize chip
 861 */
 862int
 863snd_pmac_awacs_init(struct snd_pmac *chip)
 864{
 865        int pm7500 = IS_PM7500;
 866        int pm5500 = IS_PM5500;
 867        int beige = IS_BEIGE;
 868        int g4agp = IS_G4AGP;
 869        int lombard = IS_LOMBARD;
 870        int imac;
 871        int err, vol;
 872        struct snd_kcontrol *vmaster_sw, *vmaster_vol;
 873        struct snd_kcontrol *master_vol, *speaker_vol;
 874
 875        imac1 = IS_IMAC1;
 876        imac2 = IS_IMAC2;
 877        imac = imac1 || imac2;
 878        /* looks like MASK_GAINLINE triggers something, so we set here
 879         * as start-up
 880         */
 881        chip->awacs_reg[0] = MASK_MUX_CD | 0xff | MASK_GAINLINE;
 882        chip->awacs_reg[1] = MASK_CMUTE | MASK_AMUTE;
 883        /* FIXME: Only machines with external SRS module need MASK_PAROUT */
 884        if (chip->has_iic || chip->device_id == 0x5 ||
 885            /* chip->_device_id == 0x8 || */
 886            chip->device_id == 0xb)
 887                chip->awacs_reg[1] |= MASK_PAROUT;
 888        /* get default volume from nvram */
 889        // vol = (~nvram_read_byte(0x1308) & 7) << 1;
 890        // vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 );
 891        vol = 0x0f; /* no, on alsa, muted as default */
 892        vol = vol + (vol << 6);
 893        chip->awacs_reg[2] = vol;
 894        chip->awacs_reg[4] = vol;
 895        if (chip->model == PMAC_SCREAMER) {
 896                /* FIXME: screamer has loopthru vol control */
 897                chip->awacs_reg[5] = vol;
 898                /* FIXME: maybe should be vol << 3 for PCMCIA speaker */
 899                chip->awacs_reg[6] = MASK_MIC_BOOST;
 900                chip->awacs_reg[7] = 0;
 901        }
 902
 903        awacs_restore_all_regs(chip);
 904        chip->manufacturer = (in_le32(&chip->awacs->codec_stat) >> 8) & 0xf;
 905        screamer_recalibrate(chip);
 906
 907        chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf;
 908#ifdef PMAC_AMP_AVAIL
 909        if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) {
 910                struct awacs_amp *amp = kzalloc(sizeof(*amp), GFP_KERNEL);
 911                if (! amp)
 912                        return -ENOMEM;
 913                chip->mixer_data = amp;
 914                chip->mixer_free = awacs_amp_free;
 915                /* mute and zero vol */
 916                awacs_amp_set_vol(amp, 0, 63, 63, 0);
 917                awacs_amp_set_vol(amp, 1, 63, 63, 0);
 918                awacs_amp_set_tone(amp, 7, 7); /* 0 dB */
 919                awacs_amp_set_master(amp, 79); /* 0 dB */
 920        }
 921#endif /* PMAC_AMP_AVAIL */
 922
 923        if (chip->hp_stat_mask == 0) {
 924                /* set headphone-jack detection bit */
 925                switch (chip->model) {
 926                case PMAC_AWACS:
 927                        chip->hp_stat_mask = pm7500 || pm5500 ? MASK_HDPCONN
 928                                : MASK_LOCONN;
 929                        break;
 930                case PMAC_SCREAMER:
 931                        switch (chip->device_id) {
 932                        case 0x08:
 933                        case 0x0B:
 934                                chip->hp_stat_mask = imac
 935                                        ? MASK_LOCONN_IMAC |
 936                                        MASK_HDPLCONN_IMAC |
 937                                        MASK_HDPRCONN_IMAC
 938                                        : MASK_HDPCONN;
 939                                break;
 940                        case 0x00:
 941                        case 0x05:
 942                                chip->hp_stat_mask = MASK_LOCONN;
 943                                break;
 944                        default:
 945                                chip->hp_stat_mask = MASK_HDPCONN;
 946                                break;
 947                        }
 948                        break;
 949                default:
 950                        snd_BUG();
 951                        break;
 952                }
 953        }
 954
 955        /*
 956         * build mixers
 957         */
 958        strcpy(chip->card->mixername, "PowerMac AWACS");
 959
 960        err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers),
 961                                snd_pmac_awacs_mixers);
 962        if (err < 0)
 963                return err;
 964        if (beige || g4agp)
 965                ;
 966        else if (chip->model == PMAC_SCREAMER || pm5500)
 967                err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2),
 968                                   snd_pmac_screamer_mixers2);
 969        else if (!pm7500)
 970                err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers2),
 971                                   snd_pmac_awacs_mixers2);
 972        if (err < 0)
 973                return err;
 974        if (pm5500) {
 975                err = build_mixers(chip,
 976                                   ARRAY_SIZE(snd_pmac_awacs_mixers2_pmac5500),
 977                                   snd_pmac_awacs_mixers2_pmac5500);
 978                if (err < 0)
 979                        return err;
 980        }
 981        master_vol = NULL;
 982        if (pm7500)
 983                err = build_mixers(chip,
 984                                   ARRAY_SIZE(snd_pmac_awacs_mixers_pmac7500),
 985                                   snd_pmac_awacs_mixers_pmac7500);
 986        else if (pm5500)
 987                err = snd_ctl_add(chip->card,
 988                    (master_vol = snd_ctl_new1(snd_pmac_awacs_mixers_pmac5500,
 989                                                chip)));
 990        else if (beige)
 991                err = build_mixers(chip,
 992                                   ARRAY_SIZE(snd_pmac_screamer_mixers_beige),
 993                                   snd_pmac_screamer_mixers_beige);
 994        else if (imac || lombard) {
 995                err = snd_ctl_add(chip->card,
 996                    (master_vol = snd_ctl_new1(snd_pmac_screamer_mixers_lo,
 997                                                chip)));
 998                if (err < 0)
 999                        return err;
1000                err = build_mixers(chip,
1001                                   ARRAY_SIZE(snd_pmac_screamer_mixers_imac),
1002                                   snd_pmac_screamer_mixers_imac);
1003        } else if (g4agp)
1004                err = build_mixers(chip,
1005                                   ARRAY_SIZE(snd_pmac_screamer_mixers_g4agp),
1006                                   snd_pmac_screamer_mixers_g4agp);
1007        else
1008                err = build_mixers(chip,
1009                                   ARRAY_SIZE(snd_pmac_awacs_mixers_pmac),
1010                                   snd_pmac_awacs_mixers_pmac);
1011        if (err < 0)
1012                return err;
1013        chip->master_sw_ctl = snd_ctl_new1((pm7500 || imac || g4agp || lombard)
1014                        ? &snd_pmac_awacs_master_sw_imac
1015                        : pm5500
1016                        ? &snd_pmac_awacs_master_sw_pmac5500
1017                        : &snd_pmac_awacs_master_sw, chip);
1018        err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1019        if (err < 0)
1020                return err;
1021#ifdef PMAC_AMP_AVAIL
1022        if (chip->mixer_data) {
1023                /* use amplifier.  the signal is connected from route A
1024                 * to the amp.  the amp has its headphone and speaker
1025                 * volumes and mute switches, so we use them instead of
1026                 * screamer registers.
1027                 * in this case, it seems the route C is not used.
1028                 */
1029                err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_amp_vol),
1030                                        snd_pmac_awacs_amp_vol);
1031                if (err < 0)
1032                        return err;
1033                /* overwrite */
1034                chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_hp_sw,
1035                                                        chip);
1036                err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1037                if (err < 0)
1038                        return err;
1039                chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_spk_sw,
1040                                                        chip);
1041                err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1042                if (err < 0)
1043                        return err;
1044        } else
1045#endif /* PMAC_AMP_AVAIL */
1046        {
1047                /* route A = headphone, route C = speaker */
1048                err = snd_ctl_add(chip->card,
1049                    (speaker_vol = snd_ctl_new1(snd_pmac_awacs_speaker_vol,
1050                                                chip)));
1051                if (err < 0)
1052                        return err;
1053                chip->speaker_sw_ctl = snd_ctl_new1(imac1
1054                                ? &snd_pmac_awacs_speaker_sw_imac1
1055                                : imac2
1056                                ? &snd_pmac_awacs_speaker_sw_imac2
1057                                : &snd_pmac_awacs_speaker_sw, chip);
1058                err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1059                if (err < 0)
1060                        return err;
1061        }
1062
1063        if (pm5500 || imac || lombard) {
1064                vmaster_sw = snd_ctl_make_virtual_master(
1065                        "Master Playback Switch", (unsigned int *) NULL);
1066                err = snd_ctl_add_follower_uncached(vmaster_sw,
1067                                                    chip->master_sw_ctl);
1068                if (err < 0)
1069                        return err;
1070                err = snd_ctl_add_follower_uncached(vmaster_sw,
1071                                                    chip->speaker_sw_ctl);
1072                if (err < 0)
1073                        return err;
1074                err = snd_ctl_add(chip->card, vmaster_sw);
1075                if (err < 0)
1076                        return err;
1077                vmaster_vol = snd_ctl_make_virtual_master(
1078                        "Master Playback Volume", (unsigned int *) NULL);
1079                err = snd_ctl_add_follower(vmaster_vol, master_vol);
1080                if (err < 0)
1081                        return err;
1082                err = snd_ctl_add_follower(vmaster_vol, speaker_vol);
1083                if (err < 0)
1084                        return err;
1085                err = snd_ctl_add(chip->card, vmaster_vol);
1086                if (err < 0)
1087                        return err;
1088        }
1089
1090        if (beige || g4agp)
1091                err = build_mixers(chip,
1092                                ARRAY_SIZE(snd_pmac_screamer_mic_boost_beige),
1093                                snd_pmac_screamer_mic_boost_beige);
1094        else if (imac)
1095                err = build_mixers(chip,
1096                                ARRAY_SIZE(snd_pmac_screamer_mic_boost_imac),
1097                                snd_pmac_screamer_mic_boost_imac);
1098        else if (chip->model == PMAC_SCREAMER)
1099                err = build_mixers(chip,
1100                                ARRAY_SIZE(snd_pmac_screamer_mic_boost),
1101                                snd_pmac_screamer_mic_boost);
1102        else if (pm7500)
1103                err = build_mixers(chip,
1104                                ARRAY_SIZE(snd_pmac_awacs_mic_boost_pmac7500),
1105                                snd_pmac_awacs_mic_boost_pmac7500);
1106        else
1107                err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mic_boost),
1108                                snd_pmac_awacs_mic_boost);
1109        if (err < 0)
1110                return err;
1111
1112        /*
1113         * set lowlevel callbacks
1114         */
1115        chip->set_format = snd_pmac_awacs_set_format;
1116#ifdef CONFIG_PM
1117        chip->suspend = snd_pmac_awacs_suspend;
1118        chip->resume = snd_pmac_awacs_resume;
1119#endif
1120#ifdef PMAC_SUPPORT_AUTOMUTE
1121        err = snd_pmac_add_automute(chip);
1122        if (err < 0)
1123                return err;
1124        chip->detect_headphone = snd_pmac_awacs_detect_headphone;
1125        chip->update_automute = snd_pmac_awacs_update_automute;
1126        snd_pmac_awacs_update_automute(chip, 0); /* update the status only */
1127#endif
1128        if (chip->model == PMAC_SCREAMER) {
1129                snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
1130                snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
1131        }
1132
1133        return 0;
1134}
1135