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   1 /*
   2  * PMac AWACS lowlevel functions
   3  *
   4  * Copyright (c) by Takashi Iwai <tiwai@suse.de>
   5  * code based on dmasound.c.
   6  *
   7  *   This program is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License as published by
   9  *   the Free Software Foundation; either version 2 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program; if not, write to the Free Software
  19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22
  23 #include <asm/io.h>
  24 #include <asm/nvram.h>
  25 #include <linux/init.h>
  26 #include <linux/delay.h>
  27 #include <linux/slab.h>
  28 #include <sound/core.h>
  29 #include "pmac.h"
  30
  31
  32 #ifdef CONFIG_ADB_CUDA
  33 #define PMAC_AMP_AVAIL
  34 #endif
  35
  36 #ifdef PMAC_AMP_AVAIL
  37 struct awacs_amp {
  38         unsigned char amp_master;
  39         unsigned char amp_vol[2][2];
  40         unsigned char amp_tone[2];
  41 };
  42
  43 #define CHECK_CUDA_AMP() (sys_ctrler == SYS_CTRLER_CUDA)
  44
  45 #endif /* PMAC_AMP_AVAIL */
  46
  47
  48 static void snd_pmac_screamer_wait(struct snd_pmac *chip)
  49 {
  50         long timeout = 2000;
  51         while (!(in_le32(&chip->awacs->codec_stat) & MASK_VALID)) {
  52                 mdelay(1);
  53                 if (! --timeout) {
  54                         snd_printd("snd_pmac_screamer_wait timeout\n");
  55                         break;
  56                 }
  57         }
  58 }
  59
  60 /*
  61  * write AWACS register
  62  */
  63 static void
  64 snd_pmac_awacs_write(struct snd_pmac *chip, int val)
  65 {
  66         long timeout = 5000000;
  67
  68         if (chip->model == PMAC_SCREAMER)
  69                 snd_pmac_screamer_wait(chip);
  70         out_le32(&chip->awacs->codec_ctrl, val | (chip->subframe << 22));
  71         while (in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) {
  72                 if (! --timeout) {
  73                         snd_printd("snd_pmac_awacs_write timeout\n");
  74                         break;
  75                 }
  76         }
  77 }
  78
  79 static void
  80 snd_pmac_awacs_write_reg(struct snd_pmac *chip, int reg, int val)
  81 {
  82         snd_pmac_awacs_write(chip, val | (reg << 12));
  83         chip->awacs_reg[reg] = val;
  84 }
  85
  86 static void
  87 snd_pmac_awacs_write_noreg(struct snd_pmac *chip, int reg, int val)
  88 {
  89         snd_pmac_awacs_write(chip, val | (reg << 12));
  90 }
  91
  92 #ifdef CONFIG_PM
  93 /* Recalibrate chip */
  94 static void screamer_recalibrate(struct snd_pmac *chip)
  95 {
  96         if (chip->model != PMAC_SCREAMER)
  97                 return;
  98
  99         /* Sorry for the horrible delays... I hope to get that improved
 100          * by making the whole PM process asynchronous in a future version
 101          */
 102         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
 103         if (chip->manufacturer == 0x1)
 104                 /* delay for broken crystal part */
 105                 msleep(750);
 106         snd_pmac_awacs_write_noreg(chip, 1,
 107                                    chip->awacs_reg[1] | MASK_RECALIBRATE |
 108                                    MASK_CMUTE | MASK_AMUTE);
 109         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
 110         snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 111 }
 112
 113 #else
 114 #define screamer_recalibrate(chip) /* NOP */
 115 #endif
 116
 117
 118 /*
 119  * additional callback to set the pcm format
 120  */
 121 static void snd_pmac_awacs_set_format(struct snd_pmac *chip)
 122 {
 123         chip->awacs_reg[1] &= ~MASK_SAMPLERATE;
 124         chip->awacs_reg[1] |= chip->rate_index << 3;
 125         snd_pmac_awacs_write_reg(chip, 1, chip->awacs_reg[1]);
 126 }
 127
 128
 129 /*
 130  * AWACS volume callbacks
 131  */
 132 /*
 133  * volumes: 0-15 stereo
 134  */
 135 static int snd_pmac_awacs_info_volume(struct snd_kcontrol *kcontrol,
 136                                       struct snd_ctl_elem_info *uinfo)
 137 {
 138         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 139         uinfo->count = 2;
 140         uinfo->value.integer.min = 0;
 141         uinfo->value.integer.max = 15;
 142         return 0;
 143 }
 144
 145 static int snd_pmac_awacs_get_volume(struct snd_kcontrol *kcontrol,
 146                                      struct snd_ctl_elem_value *ucontrol)
 147 {
 148         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 149         int reg = kcontrol->private_value & 0xff;
 150         int lshift = (kcontrol->private_value >> 8) & 0xff;
 151         int inverted = (kcontrol->private_value >> 16) & 1;
 152         unsigned long flags;
 153         int vol[2];
 154
 155         spin_lock_irqsave(&chip->reg_lock, flags);
 156         vol[0] = (chip->awacs_reg[reg] >> lshift) & 0xf;
 157         vol[1] = chip->awacs_reg[reg] & 0xf;
 158         spin_unlock_irqrestore(&chip->reg_lock, flags);
 159         if (inverted) {
 160                 vol[0] = 0x0f - vol[0];
 161                 vol[1] = 0x0f - vol[1];
 162         }
 163         ucontrol->value.integer.value[0] = vol[0];
 164         ucontrol->value.integer.value[1] = vol[1];
 165         return 0;
 166 }
 167
 168 static int snd_pmac_awacs_put_volume(struct snd_kcontrol *kcontrol,
 169                                      struct snd_ctl_elem_value *ucontrol)
 170 {
 171         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 172         int reg = kcontrol->private_value & 0xff;
 173         int lshift = (kcontrol->private_value >> 8) & 0xff;
 174         int inverted = (kcontrol->private_value >> 16) & 1;
 175         int val, oldval;
 176         unsigned long flags;
 177         unsigned int vol[2];
 178
 179         vol[0] = ucontrol->value.integer.value[0];
 180         vol[1] = ucontrol->value.integer.value[1];
 181         if (vol[0] > 0x0f || vol[1] > 0x0f)
 182                 return -EINVAL;
 183         if (inverted) {
 184                 vol[0] = 0x0f - vol[0];
 185                 vol[1] = 0x0f - vol[1];
 186         }
 187         vol[0] &= 0x0f;
 188         vol[1] &= 0x0f;
 189         spin_lock_irqsave(&chip->reg_lock, flags);
 190         oldval = chip->awacs_reg[reg];
 191         val = oldval & ~(0xf | (0xf << lshift));
 192         val |= vol[0] << lshift;
 193         val |= vol[1];
 194         if (oldval != val)
 195                 snd_pmac_awacs_write_reg(chip, reg, val);
 196         spin_unlock_irqrestore(&chip->reg_lock, flags);
 197         return oldval != reg;
 198 }
 199
 200
 201 #define AWACS_VOLUME(xname, xreg, xshift, xinverted) \
 202 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
 203   .info = snd_pmac_awacs_info_volume, \
 204   .get = snd_pmac_awacs_get_volume, \
 205   .put = snd_pmac_awacs_put_volume, \
 206   .private_value = (xreg) | ((xshift) << 8) | ((xinverted) << 16) }
 207
 208 /*
 209  * mute master/ogain for AWACS: mono
 210  */
 211 static int snd_pmac_awacs_get_switch(struct snd_kcontrol *kcontrol,
 212                                      struct snd_ctl_elem_value *ucontrol)
 213 {
 214         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 215         int reg = kcontrol->private_value & 0xff;
 216         int shift = (kcontrol->private_value >> 8) & 0xff;
 217         int invert = (kcontrol->private_value >> 16) & 1;
 218         int val;
 219         unsigned long flags;
 220
 221         spin_lock_irqsave(&chip->reg_lock, flags);
 222         val = (chip->awacs_reg[reg] >> shift) & 1;
 223         spin_unlock_irqrestore(&chip->reg_lock, flags);
 224         if (invert)
 225                 val = 1 - val;
 226         ucontrol->value.integer.value[0] = val;
 227         return 0;
 228 }
 229
 230 static int snd_pmac_awacs_put_switch(struct snd_kcontrol *kcontrol,
 231                                      struct snd_ctl_elem_value *ucontrol)
 232 {
 233         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 234         int reg = kcontrol->private_value & 0xff;
 235         int shift = (kcontrol->private_value >> 8) & 0xff;
 236         int invert = (kcontrol->private_value >> 16) & 1;
 237         int mask = 1 << shift;
 238         int val, changed;
 239         unsigned long flags;
 240
 241         spin_lock_irqsave(&chip->reg_lock, flags);
 242         val = chip->awacs_reg[reg] & ~mask;
 243         if (ucontrol->value.integer.value[0] != invert)
 244                 val |= mask;
 245         changed = chip->awacs_reg[reg] != val;
 246         if (changed)
 247                 snd_pmac_awacs_write_reg(chip, reg, val);
 248         spin_unlock_irqrestore(&chip->reg_lock, flags);
 249         return changed;
 250 }
 251
 252 #define AWACS_SWITCH(xname, xreg, xshift, xinvert) \
 253 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
 254   .info = snd_pmac_boolean_mono_info, \
 255   .get = snd_pmac_awacs_get_switch, \
 256   .put = snd_pmac_awacs_put_switch, \
 257   .private_value = (xreg) | ((xshift) << 8) | ((xinvert) << 16) }
 258
 259
 260 #ifdef PMAC_AMP_AVAIL
 261 /*
 262  * controls for perch/whisper extension cards, e.g. G3 desktop
 263  *
 264  * TDA7433 connected via i2c address 0x45 (= 0x8a),
 265  * accessed through cuda
 266  */
 267 static void awacs_set_cuda(int reg, int val)
 268 {
 269         struct adb_request req;
 270         cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, 0x8a,
 271                         reg, val);
 272         while (! req.complete)
 273                 cuda_poll();
 274 }
 275
 276 /*
 277  * level = 0 - 14, 7 = 0 dB
 278  */
 279 static void awacs_amp_set_tone(struct awacs_amp *amp, int bass, int treble)
 280 {
 281         amp->amp_tone[0] = bass;
 282         amp->amp_tone[1] = treble;
 283         if (bass > 7)
 284                 bass = (14 - bass) + 8;
 285         if (treble > 7)
 286                 treble = (14 - treble) + 8;
 287         awacs_set_cuda(2, (bass << 4) | treble);
 288 }
 289
 290 /*
 291  * vol = 0 - 31 (attenuation), 32 = mute bit, stereo
 292  */
 293 static int awacs_amp_set_vol(struct awacs_amp *amp, int index,
 294                              int lvol, int rvol, int do_check)
 295 {
 296         if (do_check && amp->amp_vol[index][0] == lvol &&
 297                         amp->amp_vol[index][1] == rvol)
 298                 return 0;
 299         awacs_set_cuda(3 + index, lvol);
 300         awacs_set_cuda(5 + index, rvol);
 301         amp->amp_vol[index][0] = lvol;
 302         amp->amp_vol[index][1] = rvol;
 303         return 1;
 304 }
 305
 306 /*
 307  * 0 = -79 dB, 79 = 0 dB, 99 = +20 dB
 308  */
 309 static void awacs_amp_set_master(struct awacs_amp *amp, int vol)
 310 {
 311         amp->amp_master = vol;
 312         if (vol <= 79)
 313                 vol = 32 + (79 - vol);
 314         else
 315                 vol = 32 - (vol - 79);
 316         awacs_set_cuda(1, vol);
 317 }
 318
 319 static void awacs_amp_free(struct snd_pmac *chip)
 320 {
 321         struct awacs_amp *amp = chip->mixer_data;
 322         if (!amp)
 323                 return;
 324         kfree(amp);
 325         chip->mixer_data = NULL;
 326         chip->mixer_free = NULL;
 327 }
 328
 329
 330 /*
 331  * mixer controls
 332  */
 333 static int snd_pmac_awacs_info_volume_amp(struct snd_kcontrol *kcontrol,
 334                                           struct snd_ctl_elem_info *uinfo)
 335 {
 336         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 337         uinfo->count = 2;
 338         uinfo->value.integer.min = 0;
 339         uinfo->value.integer.max = 31;
 340         return 0;
 341 }
 342
 343 static int snd_pmac_awacs_get_volume_amp(struct snd_kcontrol *kcontrol,
 344                                          struct snd_ctl_elem_value *ucontrol)
 345 {
 346         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 347         int index = kcontrol->private_value;
 348         struct awacs_amp *amp = chip->mixer_data;
 349
 350         ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31);
 351         ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31);
 352         return 0;
 353 }
 354
 355 static int snd_pmac_awacs_put_volume_amp(struct snd_kcontrol *kcontrol,
 356                                          struct snd_ctl_elem_value *ucontrol)
 357 {
 358         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 359         int index = kcontrol->private_value;
 360         int vol[2];
 361         struct awacs_amp *amp = chip->mixer_data;
 362
 363         vol[0] = (31 - (ucontrol->value.integer.value[0] & 31))
 364                 | (amp->amp_vol[index][0] & 32);
 365         vol[1] = (31 - (ucontrol->value.integer.value[1] & 31))
 366                 | (amp->amp_vol[index][1] & 32);
 367         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 368 }
 369
 370 static int snd_pmac_awacs_get_switch_amp(struct snd_kcontrol *kcontrol,
 371                                          struct snd_ctl_elem_value *ucontrol)
 372 {
 373         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 374         int index = kcontrol->private_value;
 375         struct awacs_amp *amp = chip->mixer_data;
 376
 377         ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32)
 378                                         ? 0 : 1;
 379         ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32)
 380                                         ? 0 : 1;
 381         return 0;
 382 }
 383
 384 static int snd_pmac_awacs_put_switch_amp(struct snd_kcontrol *kcontrol,
 385                                          struct snd_ctl_elem_value *ucontrol)
 386 {
 387         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 388         int index = kcontrol->private_value;
 389         int vol[2];
 390         struct awacs_amp *amp = chip->mixer_data;
 391
 392         vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32)
 393                 | (amp->amp_vol[index][0] & 31);
 394         vol[1] = (ucontrol->value.integer.value[1] ? 0 : 32)
 395                 | (amp->amp_vol[index][1] & 31);
 396         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 397 }
 398
 399 static int snd_pmac_awacs_info_tone_amp(struct snd_kcontrol *kcontrol,
 400                                         struct snd_ctl_elem_info *uinfo)
 401 {
 402         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 403         uinfo->count = 1;
 404         uinfo->value.integer.min = 0;
 405         uinfo->value.integer.max = 14;
 406         return 0;
 407 }
 408
 409 static int snd_pmac_awacs_get_tone_amp(struct snd_kcontrol *kcontrol,
 410                                        struct snd_ctl_elem_value *ucontrol)
 411 {
 412         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 413         int index = kcontrol->private_value;
 414         struct awacs_amp *amp = chip->mixer_data;
 415
 416         ucontrol->value.integer.value[0] = amp->amp_tone[index];
 417         return 0;
 418 }
 419
 420 static int snd_pmac_awacs_put_tone_amp(struct snd_kcontrol *kcontrol,
 421                                        struct snd_ctl_elem_value *ucontrol)
 422 {
 423         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 424         int index = kcontrol->private_value;
 425         struct awacs_amp *amp = chip->mixer_data;
 426         unsigned int val;
 427
 428         val = ucontrol->value.integer.value[0];
 429         if (val > 14)
 430                 return -EINVAL;
 431         if (val != amp->amp_tone[index]) {
 432                 amp->amp_tone[index] = val;
 433                 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
 434                 return 1;
 435         }
 436         return 0;
 437 }
 438
 439 static int snd_pmac_awacs_info_master_amp(struct snd_kcontrol *kcontrol,
 440                                           struct snd_ctl_elem_info *uinfo)
 441 {
 442         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 443         uinfo->count = 1;
 444         uinfo->value.integer.min = 0;
 445         uinfo->value.integer.max = 99;
 446         return 0;
 447 }
 448
 449 static int snd_pmac_awacs_get_master_amp(struct snd_kcontrol *kcontrol,
 450                                          struct snd_ctl_elem_value *ucontrol)
 451 {
 452         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 453         struct awacs_amp *amp = chip->mixer_data;
 454
 455         ucontrol->value.integer.value[0] = amp->amp_master;
 456         return 0;
 457 }
 458
 459 static int snd_pmac_awacs_put_master_amp(struct snd_kcontrol *kcontrol,
 460                                          struct snd_ctl_elem_value *ucontrol)
 461 {
 462         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 463         struct awacs_amp *amp = chip->mixer_data;
 464         unsigned int val;
 465
 466         val = ucontrol->value.integer.value[0];
 467         if (val > 99)
 468                 return -EINVAL;
 469         if (val != amp->amp_master) {
 470                 amp->amp_master = val;
 471                 awacs_amp_set_master(amp, amp->amp_master);
 472                 return 1;
 473         }
 474         return 0;
 475 }
 476
 477 #define AMP_CH_SPK      0
 478 #define AMP_CH_HD       1
 479
 480 static struct snd_kcontrol_new snd_pmac_awacs_amp_vol[] __initdata = {
 481         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 482           .name = "PC Speaker Playback Volume",
 483           .info = snd_pmac_awacs_info_volume_amp,
 484           .get = snd_pmac_awacs_get_volume_amp,
 485           .put = snd_pmac_awacs_put_volume_amp,
 486           .private_value = AMP_CH_SPK,
 487         },
 488         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 489           .name = "Headphone Playback Volume",
 490           .info = snd_pmac_awacs_info_volume_amp,
 491           .get = snd_pmac_awacs_get_volume_amp,
 492           .put = snd_pmac_awacs_put_volume_amp,
 493           .private_value = AMP_CH_HD,
 494         },
 495         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 496           .name = "Tone Control - Bass",
 497           .info = snd_pmac_awacs_info_tone_amp,
 498           .get = snd_pmac_awacs_get_tone_amp,
 499           .put = snd_pmac_awacs_put_tone_amp,
 500           .private_value = 0,
 501         },
 502         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 503           .name = "Tone Control - Treble",
 504           .info = snd_pmac_awacs_info_tone_amp,
 505           .get = snd_pmac_awacs_get_tone_amp,
 506           .put = snd_pmac_awacs_put_tone_amp,
 507           .private_value = 1,
 508         },
 509         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 510           .name = "Amp Master Playback Volume",
 511           .info = snd_pmac_awacs_info_master_amp,
 512           .get = snd_pmac_awacs_get_master_amp,
 513           .put = snd_pmac_awacs_put_master_amp,
 514         },
 515 };
 516
 517 static struct snd_kcontrol_new snd_pmac_awacs_amp_hp_sw __initdata = {
 518         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 519         .name = "Headphone Playback Switch",
 520         .info = snd_pmac_boolean_stereo_info,
 521         .get = snd_pmac_awacs_get_switch_amp,
 522         .put = snd_pmac_awacs_put_switch_amp,
 523         .private_value = AMP_CH_HD,
 524 };
 525
 526 static struct snd_kcontrol_new snd_pmac_awacs_amp_spk_sw __initdata = {
 527         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 528         .name = "PC Speaker Playback Switch",
 529         .info = snd_pmac_boolean_stereo_info,
 530         .get = snd_pmac_awacs_get_switch_amp,
 531         .put = snd_pmac_awacs_put_switch_amp,
 532         .private_value = AMP_CH_SPK,
 533 };
 534
 535 #endif /* PMAC_AMP_AVAIL */
 536
 537
 538 /*
 539  * mic boost for screamer
 540  */
 541 static int snd_pmac_screamer_mic_boost_info(struct snd_kcontrol *kcontrol,
 542                                             struct snd_ctl_elem_info *uinfo)
 543 {
 544         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 545         uinfo->count = 1;
 546         uinfo->value.integer.min = 0;
 547         uinfo->value.integer.max = 3;
 548         return 0;
 549 }
 550
 551 static int snd_pmac_screamer_mic_boost_get(struct snd_kcontrol *kcontrol,
 552                                            struct snd_ctl_elem_value *ucontrol)
 553 {
 554         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 555         int val = 0;
 556         unsigned long flags;
 557
 558         spin_lock_irqsave(&chip->reg_lock, flags);
 559         if (chip->awacs_reg[6] & MASK_MIC_BOOST)
 560                 val |= 2;
 561         if (chip->awacs_reg[0] & MASK_GAINLINE)
 562                 val |= 1;
 563         spin_unlock_irqrestore(&chip->reg_lock, flags);
 564         ucontrol->value.integer.value[0] = val;
 565         return 0;
 566 }
 567
 568 static int snd_pmac_screamer_mic_boost_put(struct snd_kcontrol *kcontrol,
 569                                            struct snd_ctl_elem_value *ucontrol)
 570 {
 571         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 572         int changed = 0;
 573         int val0, val6;
 574         unsigned long flags;
 575
 576         spin_lock_irqsave(&chip->reg_lock, flags);
 577         val0 = chip->awacs_reg[0] & ~MASK_GAINLINE;
 578         val6 = chip->awacs_reg[6] & ~MASK_MIC_BOOST;
 579         if (ucontrol->value.integer.value[0] & 1)
 580                 val0 |= MASK_GAINLINE;
 581         if (ucontrol->value.integer.value[0] & 2)
 582                 val6 |= MASK_MIC_BOOST;
 583         if (val0 != chip->awacs_reg[0]) {
 584                 snd_pmac_awacs_write_reg(chip, 0, val0);
 585                 changed = 1;
 586         }
 587         if (val6 != chip->awacs_reg[6]) {
 588                 snd_pmac_awacs_write_reg(chip, 6, val6);
 589                 changed = 1;
 590         }
 591         spin_unlock_irqrestore(&chip->reg_lock, flags);
 592         return changed;
 593 }
 594
 595 /*
 596  * lists of mixer elements
 597  */
 598 static struct snd_kcontrol_new snd_pmac_awacs_mixers[] __initdata = {
 599         AWACS_SWITCH("Master Capture Switch", 1, SHIFT_LOOPTHRU, 0),
 600         AWACS_VOLUME("Master Capture Volume", 0, 4, 0),
 601 /*      AWACS_SWITCH("Unknown Playback Switch", 6, SHIFT_PAROUT0, 0), */
 602 };
 603
 604 static struct snd_kcontrol_new snd_pmac_screamer_mixers_beige[] __initdata = {
 605         AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
 606         AWACS_VOLUME("Play-through Playback Volume", 5, 6, 1),
 607         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 608         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_LINE, 0),
 609 };
 610
 611 static struct snd_kcontrol_new snd_pmac_screamer_mixers_imac[] __initdata = {
 612         AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
 613         AWACS_VOLUME("Master Playback Volume", 5, 6, 1),
 614         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 615 };
 616
 617 static struct snd_kcontrol_new snd_pmac_screamer_mixers_g4agp[] __initdata = {
 618         AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
 619         AWACS_VOLUME("Master Playback Volume", 5, 6, 1),
 620         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 621         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 622 };
 623
 624 static struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac7500[] __initdata = {
 625         AWACS_VOLUME("Line out Playback Volume", 2, 6, 1),
 626         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 627         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 628 };
 629
 630 static struct snd_kcontrol_new snd_pmac_awacs_mixers_pmac[] __initdata = {
 631         AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
 632         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 633 };
 634
 635 /* FIXME: is this correct order?
 636  * screamer (powerbook G3 pismo) seems to have different bits...
 637  */
 638 static struct snd_kcontrol_new snd_pmac_awacs_mixers2[] __initdata = {
 639         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_LINE, 0),
 640         AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_MIC, 0),
 641 };
 642
 643 static struct snd_kcontrol_new snd_pmac_screamer_mixers2[] __initdata = {
 644         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 645         AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0),
 646 };
 647
 648 static struct snd_kcontrol_new snd_pmac_awacs_master_sw __initdata =
 649 AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1);
 650
 651 static struct snd_kcontrol_new snd_pmac_awacs_master_sw_imac __initdata =
 652 AWACS_SWITCH("Line out Playback Switch", 1, SHIFT_HDMUTE, 1);
 653
 654 static struct snd_kcontrol_new snd_pmac_awacs_mic_boost[] __initdata = {
 655         AWACS_SWITCH("Mic Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 656 };
 657
 658 static struct snd_kcontrol_new snd_pmac_screamer_mic_boost[] __initdata = {
 659         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 660           .name = "Mic Boost Capture Volume",
 661           .info = snd_pmac_screamer_mic_boost_info,
 662           .get = snd_pmac_screamer_mic_boost_get,
 663           .put = snd_pmac_screamer_mic_boost_put,
 664         },
 665 };
 666
 667 static struct snd_kcontrol_new snd_pmac_awacs_mic_boost_pmac7500[] __initdata =
 668 {
 669         AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 670 };
 671
 672 static struct snd_kcontrol_new snd_pmac_screamer_mic_boost_beige[] __initdata =
 673 {
 674         AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 675         AWACS_SWITCH("CD Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
 676 };
 677
 678 static struct snd_kcontrol_new snd_pmac_screamer_mic_boost_imac[] __initdata =
 679 {
 680         AWACS_SWITCH("Line Boost Capture Switch", 0, SHIFT_GAINLINE, 0),
 681         AWACS_SWITCH("Mic Boost Capture Switch", 6, SHIFT_MIC_BOOST, 0),
 682 };
 683
 684 static struct snd_kcontrol_new snd_pmac_awacs_speaker_vol[] __initdata = {
 685         AWACS_VOLUME("PC Speaker Playback Volume", 4, 6, 1),
 686 };
 687
 688 static struct snd_kcontrol_new snd_pmac_awacs_speaker_sw __initdata =
 689 AWACS_SWITCH("PC Speaker Playback Switch", 1, SHIFT_SPKMUTE, 1);
 690
 691 static struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac1 __initdata =
 692 AWACS_SWITCH("PC Speaker Playback Switch", 1, SHIFT_PAROUT1, 1);
 693
 694 static struct snd_kcontrol_new snd_pmac_awacs_speaker_sw_imac2 __initdata =
 695 AWACS_SWITCH("PC Speaker Playback Switch", 1, SHIFT_PAROUT1, 0);
 696
 697
 698 /*
 699  * add new mixer elements to the card
 700  */
 701 static int build_mixers(struct snd_pmac *chip, int nums,
 702                         struct snd_kcontrol_new *mixers)
 703 {
 704         int i, err;
 705
 706         for (i = 0; i < nums; i++) {
 707                 err = snd_ctl_add(chip->card, snd_ctl_new1(&mixers[i], chip));
 708                 if (err < 0)
 709                         return err;
 710         }
 711         return 0;
 712 }
 713
 714
 715 /*
 716  * restore all registers
 717  */
 718 static void awacs_restore_all_regs(struct snd_pmac *chip)
 719 {
 720         snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
 721         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
 722         snd_pmac_awacs_write_noreg(chip, 2, chip->awacs_reg[2]);
 723         snd_pmac_awacs_write_noreg(chip, 4, chip->awacs_reg[4]);
 724         if (chip->model == PMAC_SCREAMER) {
 725                 snd_pmac_awacs_write_noreg(chip, 5, chip->awacs_reg[5]);
 726                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 727                 snd_pmac_awacs_write_noreg(chip, 7, chip->awacs_reg[7]);
 728         }
 729 }
 730
 731 #ifdef CONFIG_PM
 732 static void snd_pmac_awacs_suspend(struct snd_pmac *chip)
 733 {
 734         snd_pmac_awacs_write_noreg(chip, 1, (chip->awacs_reg[1]
 735                                              | MASK_AMUTE | MASK_CMUTE));
 736 }
 737
 738 static void snd_pmac_awacs_resume(struct snd_pmac *chip)
 739 {
 740         if (machine_is_compatible("PowerBook3,1")
 741             || machine_is_compatible("PowerBook3,2")) {
 742                 msleep(100);
 743                 snd_pmac_awacs_write_reg(chip, 1,
 744                         chip->awacs_reg[1] & ~MASK_PAROUT);
 745                 msleep(300);
 746         }
 747
 748         awacs_restore_all_regs(chip);
 749         if (chip->model == PMAC_SCREAMER) {
 750                 /* reset power bits in reg 6 */
 751                 mdelay(5);
 752                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 753         }
 754         screamer_recalibrate(chip);
 755 #ifdef PMAC_AMP_AVAIL
 756         if (chip->mixer_data) {
 757                 struct awacs_amp *amp = chip->mixer_data;
 758                 awacs_amp_set_vol(amp, 0,
 759                                   amp->amp_vol[0][0], amp->amp_vol[0][1], 0);
 760                 awacs_amp_set_vol(amp, 1,
 761                                   amp->amp_vol[1][0], amp->amp_vol[1][1], 0);
 762                 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
 763                 awacs_amp_set_master(amp, amp->amp_master);
 764         }
 765 #endif
 766 }
 767 #endif /* CONFIG_PM */
 768
 769 #define IS_PM7500 (machine_is_compatible("AAPL,7500"))
 770 #define IS_BEIGE (machine_is_compatible("AAPL,Gossamer"))
 771 #define IS_IMAC1 (machine_is_compatible("PowerMac2,1"))
 772 #define IS_IMAC2 (machine_is_compatible("PowerMac2,2") \
 773                 || machine_is_compatible("PowerMac4,1"))
 774 #define IS_G4AGP (machine_is_compatible("PowerMac3,1"))
 775
 776 static int imac1, imac2;
 777
 778 #ifdef PMAC_SUPPORT_AUTOMUTE
 779 /*
 780  * auto-mute stuffs
 781  */
 782 static int snd_pmac_awacs_detect_headphone(struct snd_pmac *chip)
 783 {
 784         return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
 785 }
 786
 787 #ifdef PMAC_AMP_AVAIL
 788 static int toggle_amp_mute(struct awacs_amp *amp, int index, int mute)
 789 {
 790         int vol[2];
 791         vol[0] = amp->amp_vol[index][0] & 31;
 792         vol[1] = amp->amp_vol[index][1] & 31;
 793         if (mute) {
 794                 vol[0] |= 32;
 795                 vol[1] |= 32;
 796         }
 797         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 798 }
 799 #endif
 800
 801 static void snd_pmac_awacs_update_automute(struct snd_pmac *chip, int do_notify)
 802 {
 803         if (chip->auto_mute) {
 804 #ifdef PMAC_AMP_AVAIL
 805                 if (chip->mixer_data) {
 806                         struct awacs_amp *amp = chip->mixer_data;
 807                         int changed;
 808                         if (snd_pmac_awacs_detect_headphone(chip)) {
 809                                 changed = toggle_amp_mute(amp, AMP_CH_HD, 0);
 810                                 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 1);
 811                         } else {
 812                                 changed = toggle_amp_mute(amp, AMP_CH_HD, 1);
 813                                 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 0);
 814                         }
 815                         if (do_notify && ! changed)
 816                                 return;
 817                 } else
 818 #endif
 819                 {
 820                         int reg = chip->awacs_reg[1]
 821                                 | (MASK_HDMUTE | MASK_SPKMUTE);
 822                         if (imac1) {
 823                                 reg &= ~MASK_SPKMUTE;
 824                                 reg |= MASK_PAROUT1;
 825                         } else if (imac2) {
 826                                 reg &= ~MASK_SPKMUTE;
 827                                 reg &= ~MASK_PAROUT1;
 828                         }
 829                         if (snd_pmac_awacs_detect_headphone(chip))
 830                                 reg &= ~MASK_HDMUTE;
 831                         else if (imac1)
 832                                 reg &= ~MASK_PAROUT1;
 833                         else if (imac2)
 834                                 reg |= MASK_PAROUT1;
 835                         else
 836                                 reg &= ~MASK_SPKMUTE;
 837                         if (do_notify && reg == chip->awacs_reg[1])
 838                                 return;
 839                         snd_pmac_awacs_write_reg(chip, 1, reg);
 840                 }
 841                 if (do_notify) {
 842                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 843                                        &chip->master_sw_ctl->id);
 844                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 845                                        &chip->speaker_sw_ctl->id);
 846                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 847                                        &chip->hp_detect_ctl->id);
 848                 }
 849         }
 850 }
 851 #endif /* PMAC_SUPPORT_AUTOMUTE */
 852
 853
 854 /*
 855  * initialize chip
 856  */
 857 int __init
 858 snd_pmac_awacs_init(struct snd_pmac *chip)
 859 {
 860         int pm7500 = IS_PM7500;
 861         int beige = IS_BEIGE;
 862         int g4agp = IS_G4AGP;
 863         int imac;
 864         int err, vol;
 865
 866         imac1 = IS_IMAC1;
 867         imac2 = IS_IMAC2;
 868         imac = imac1 || imac2;
 869         /* looks like MASK_GAINLINE triggers something, so we set here
 870          * as start-up
 871          */
 872         chip->awacs_reg[0] = MASK_MUX_CD | 0xff | MASK_GAINLINE;
 873         chip->awacs_reg[1] = MASK_CMUTE | MASK_AMUTE;
 874         /* FIXME: Only machines with external SRS module need MASK_PAROUT */
 875         if (chip->has_iic || chip->device_id == 0x5 ||
 876             /* chip->_device_id == 0x8 || */
 877             chip->device_id == 0xb)
 878                 chip->awacs_reg[1] |= MASK_PAROUT;
 879         /* get default volume from nvram */
 880         // vol = (~nvram_read_byte(0x1308) & 7) << 1;
 881         // vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 );
 882         vol = 0x0f; /* no, on alsa, muted as default */
 883         vol = vol + (vol << 6);
 884         chip->awacs_reg[2] = vol;
 885         chip->awacs_reg[4] = vol;
 886         if (chip->model == PMAC_SCREAMER) {
 887                 /* FIXME: screamer has loopthru vol control */
 888                 chip->awacs_reg[5] = vol;
 889                 /* FIXME: maybe should be vol << 3 for PCMCIA speaker */
 890                 chip->awacs_reg[6] = MASK_MIC_BOOST;
 891                 chip->awacs_reg[7] = 0;
 892         }
 893
 894         awacs_restore_all_regs(chip);
 895         chip->manufacturer = (in_le32(&chip->awacs->codec_stat) >> 8) & 0xf;
 896         screamer_recalibrate(chip);
 897
 898         chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf;
 899 #ifdef PMAC_AMP_AVAIL
 900         if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) {
 901                 struct awacs_amp *amp = kzalloc(sizeof(*amp), GFP_KERNEL);
 902                 if (! amp)
 903                         return -ENOMEM;
 904                 chip->mixer_data = amp;
 905                 chip->mixer_free = awacs_amp_free;
 906                 /* mute and zero vol */
 907                 awacs_amp_set_vol(amp, 0, 63, 63, 0);
 908                 awacs_amp_set_vol(amp, 1, 63, 63, 0);
 909                 awacs_amp_set_tone(amp, 7, 7); /* 0 dB */
 910                 awacs_amp_set_master(amp, 79); /* 0 dB */
 911         }
 912 #endif /* PMAC_AMP_AVAIL */
 913
 914         if (chip->hp_stat_mask == 0) {
 915                 /* set headphone-jack detection bit */
 916                 switch (chip->model) {
 917                 case PMAC_AWACS:
 918                         chip->hp_stat_mask = pm7500 ? MASK_HDPCONN
 919                                 : MASK_LOCONN;
 920                         break;
 921                 case PMAC_SCREAMER:
 922                         switch (chip->device_id) {
 923                         case 0x08:
 924                         case 0x0B:
 925                                 chip->hp_stat_mask = imac
 926                                         ? MASK_LOCONN_IMAC |
 927                                         MASK_HDPLCONN_IMAC |
 928                                         MASK_HDPRCONN_IMAC
 929                                         : MASK_HDPCONN;
 930                                 break;
 931                         case 0x00:
 932                         case 0x05:
 933                                 chip->hp_stat_mask = MASK_LOCONN;
 934                                 break;
 935                         default:
 936                                 chip->hp_stat_mask = MASK_HDPCONN;
 937                                 break;
 938                         }
 939                         break;
 940                 default:
 941                         snd_BUG();
 942                         break;
 943                 }
 944         }
 945
 946         /*
 947          * build mixers
 948          */
 949         strcpy(chip->card->mixername, "PowerMac AWACS");
 950
 951         err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers),
 952                                 snd_pmac_awacs_mixers);
 953         if (err < 0)
 954                 return err;
 955         if (beige || g4agp)
 956                 ;
 957         else if (chip->model == PMAC_SCREAMER)
 958                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2),
 959                                    snd_pmac_screamer_mixers2);
 960         else if (!pm7500)
 961                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers2),
 962                                    snd_pmac_awacs_mixers2);
 963         if (err < 0)
 964                 return err;
 965         if (pm7500)
 966                 err = build_mixers(chip,
 967                                    ARRAY_SIZE(snd_pmac_awacs_mixers_pmac7500),
 968                                    snd_pmac_awacs_mixers_pmac7500);
 969         else if (beige)
 970                 err = build_mixers(chip,
 971                                    ARRAY_SIZE(snd_pmac_screamer_mixers_beige),
 972                                    snd_pmac_screamer_mixers_beige);
 973         else if (imac)
 974                 err = build_mixers(chip,
 975                                    ARRAY_SIZE(snd_pmac_screamer_mixers_imac),
 976                                    snd_pmac_screamer_mixers_imac);
 977         else if (g4agp)
 978                 err = build_mixers(chip,
 979                                    ARRAY_SIZE(snd_pmac_screamer_mixers_g4agp),
 980                                    snd_pmac_screamer_mixers_g4agp);
 981         else
 982                 err = build_mixers(chip,
 983                                    ARRAY_SIZE(snd_pmac_awacs_mixers_pmac),
 984                                    snd_pmac_awacs_mixers_pmac);
 985         if (err < 0)
 986                 return err;
 987         chip->master_sw_ctl = snd_ctl_new1((pm7500 || imac || g4agp)
 988                         ? &snd_pmac_awacs_master_sw_imac
 989                         : &snd_pmac_awacs_master_sw, chip);
 990         err = snd_ctl_add(chip->card, chip->master_sw_ctl);
 991         if (err < 0)
 992                 return err;
 993 #ifdef PMAC_AMP_AVAIL
 994         if (chip->mixer_data) {
 995                 /* use amplifier.  the signal is connected from route A
 996                  * to the amp.  the amp has its headphone and speaker
 997                  * volumes and mute switches, so we use them instead of
 998                  * screamer registers.
 999                  * in this case, it seems the route C is not used.
1000                  */
1001                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_amp_vol),
1002                                         snd_pmac_awacs_amp_vol);
1003                 if (err < 0)
1004                         return err;
1005                 /* overwrite */
1006                 chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_hp_sw,
1007                                                         chip);
1008                 err = snd_ctl_add(chip->card, chip->master_sw_ctl);
1009                 if (err < 0)
1010                         return err;
1011                 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_spk_sw,
1012                                                         chip);
1013                 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1014                 if (err < 0)
1015                         return err;
1016         } else
1017 #endif /* PMAC_AMP_AVAIL */
1018         {
1019                 /* route A = headphone, route C = speaker */
1020                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_speaker_vol),
1021                                         snd_pmac_awacs_speaker_vol);
1022                 if (err < 0)
1023                         return err;
1024                 chip->speaker_sw_ctl = snd_ctl_new1(imac1
1025                                 ? &snd_pmac_awacs_speaker_sw_imac1
1026                                 : imac2
1027                                 ? &snd_pmac_awacs_speaker_sw_imac2
1028                                 : &snd_pmac_awacs_speaker_sw, chip);
1029                 err = snd_ctl_add(chip->card, chip->speaker_sw_ctl);
1030                 if (err < 0)
1031                         return err;
1032         }
1033
1034         if (beige || g4agp)
1035                 err = build_mixers(chip,
1036                                 ARRAY_SIZE(snd_pmac_screamer_mic_boost_beige),
1037                                 snd_pmac_screamer_mic_boost_beige);
1038         else if (imac)
1039                 err = build_mixers(chip,
1040                                 ARRAY_SIZE(snd_pmac_screamer_mic_boost_imac),
1041                                 snd_pmac_screamer_mic_boost_imac);
1042         else if (chip->model == PMAC_SCREAMER)
1043                 err = build_mixers(chip,
1044                                 ARRAY_SIZE(snd_pmac_screamer_mic_boost),
1045                                 snd_pmac_screamer_mic_boost);
1046         else if (pm7500)
1047                 err = build_mixers(chip,
1048                                 ARRAY_SIZE(snd_pmac_awacs_mic_boost_pmac7500),
1049                                 snd_pmac_awacs_mic_boost_pmac7500);
1050         else
1051                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mic_boost),
1052                                 snd_pmac_awacs_mic_boost);
1053         if (err < 0)
1054                 return err;
1055
1056         /*
1057          * set lowlevel callbacks
1058          */
1059         chip->set_format = snd_pmac_awacs_set_format;
1060 #ifdef CONFIG_PM
1061         chip->suspend = snd_pmac_awacs_suspend;
1062         chip->resume = snd_pmac_awacs_resume;
1063 #endif
1064 #ifdef PMAC_SUPPORT_AUTOMUTE
1065         err = snd_pmac_add_automute(chip);
1066         if (err < 0)
1067                 return err;
1068         chip->detect_headphone = snd_pmac_awacs_detect_headphone;
1069         chip->update_automute = snd_pmac_awacs_update_automute;
1070         snd_pmac_awacs_update_automute(chip, 0); /* update the status only */
1071 #endif
1072         if (chip->model == PMAC_SCREAMER) {
1073                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
1074                 snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
1075         }
1076
1077         return 0;
1078 }