sound/ppc/awacs.c

   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 <sound/driver.h>
  24 #include <asm/io.h>
  25 #include <asm/nvram.h>
  26 #include <linux/init.h>
  27 #include <linux/delay.h>
  28 #include <linux/slab.h>
  29 #include <sound/core.h>
  30 #include "pmac.h"
  31
  32
  33 #ifdef CONFIG_ADB_CUDA
  34 #define PMAC_AMP_AVAIL
  35 #endif
  36
  37 #ifdef PMAC_AMP_AVAIL
  38 typedef struct awacs_amp {
  39         unsigned char amp_master;
  40         unsigned char amp_vol[2][2];
  41         unsigned char amp_tone[2];
  42 } awacs_amp_t;
  43
  44 #define CHECK_CUDA_AMP() (sys_ctrler == SYS_CTRLER_CUDA)
  45
  46 #endif /* PMAC_AMP_AVAIL */
  47
  48
  49 static void snd_pmac_screamer_wait(pmac_t *chip)
  50 {
  51         long timeout = 2000;
  52         while (!(in_le32(&chip->awacs->codec_stat) & MASK_VALID)) {
  53                 mdelay(1);
  54                 if (! --timeout) {
  55                         snd_printd("snd_pmac_screamer_wait timeout\n");
  56                         break;
  57                 }
  58         }
  59 }
  60
  61 /*
  62  * write AWACS register
  63  */
  64 static void
  65 snd_pmac_awacs_write(pmac_t *chip, int val)
  66 {
  67         long timeout = 5000000;
  68
  69         if (chip->model == PMAC_SCREAMER)
  70                 snd_pmac_screamer_wait(chip);
  71         out_le32(&chip->awacs->codec_ctrl, val | (chip->subframe << 22));
  72         while (in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) {
  73                 if (! --timeout) {
  74                         snd_printd("snd_pmac_awacs_write timeout\n");
  75                         break;
  76                 }
  77         }
  78 }
  79
  80 static void
  81 snd_pmac_awacs_write_reg(pmac_t *chip, int reg, int val)
  82 {
  83         snd_pmac_awacs_write(chip, val | (reg << 12));
  84         chip->awacs_reg[reg] = val;
  85 }
  86
  87 static void
  88 snd_pmac_awacs_write_noreg(pmac_t *chip, int reg, int val)
  89 {
  90         snd_pmac_awacs_write(chip, val | (reg << 12));
  91 }
  92
  93 #ifdef CONFIG_PM
  94 /* Recalibrate chip */
  95 static void screamer_recalibrate(pmac_t *chip)
  96 {
  97         if (chip->model != PMAC_SCREAMER)
  98                 return;
  99
 100         /* Sorry for the horrible delays... I hope to get that improved
 101          * by making the whole PM process asynchronous in a future version
 102          */
 103         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
 104         if (chip->manufacturer == 0x1)
 105                 /* delay for broken crystal part */
 106                 big_mdelay(750);
 107         snd_pmac_awacs_write_noreg(chip, 1,
 108                                    chip->awacs_reg[1] | MASK_RECALIBRATE | 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(pmac_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 136 {
 137         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 138         uinfo->count = 2;
 139         uinfo->value.integer.min = 0;
 140         uinfo->value.integer.max = 15;
 141         return 0;
 142 }
 143
 144 static int snd_pmac_awacs_get_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 145 {
 146         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 147         int reg = kcontrol->private_value & 0xff;
 148         int lshift = (kcontrol->private_value >> 8) & 0xff;
 149         int inverted = (kcontrol->private_value >> 16) & 1;
 150         unsigned long flags;
 151         int vol[2];
 152
 153         spin_lock_irqsave(&chip->reg_lock, flags);
 154         vol[0] = (chip->awacs_reg[reg] >> lshift) & 0xf;
 155         vol[1] = chip->awacs_reg[reg] & 0xf;
 156         spin_unlock_irqrestore(&chip->reg_lock, flags);
 157         if (inverted) {
 158                 vol[0] = 0x0f - vol[0];
 159                 vol[1] = 0x0f - vol[1];
 160         }
 161         ucontrol->value.integer.value[0] = vol[0];
 162         ucontrol->value.integer.value[1] = vol[1];
 163         return 0;
 164 }
 165
 166 static int snd_pmac_awacs_put_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 167 {
 168         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 169         int reg = kcontrol->private_value & 0xff;
 170         int lshift = (kcontrol->private_value >> 8) & 0xff;
 171         int inverted = (kcontrol->private_value >> 16) & 1;
 172         int val, oldval;
 173         unsigned long flags;
 174         int vol[2];
 175
 176         vol[0] = ucontrol->value.integer.value[0];
 177         vol[1] = ucontrol->value.integer.value[1];
 178         if (inverted) {
 179                 vol[0] = 0x0f - vol[0];
 180                 vol[1] = 0x0f - vol[1];
 181         }
 182         vol[0] &= 0x0f;
 183         vol[1] &= 0x0f;
 184         spin_lock_irqsave(&chip->reg_lock, flags);
 185         oldval = chip->awacs_reg[reg];
 186         val = oldval & ~(0xf | (0xf << lshift));
 187         val |= vol[0] << lshift;
 188         val |= vol[1];
 189         if (oldval != val)
 190                 snd_pmac_awacs_write_reg(chip, reg, val);
 191         spin_unlock_irqrestore(&chip->reg_lock, flags);
 192         return oldval != reg;
 193 }
 194
 195
 196 #define AWACS_VOLUME(xname, xreg, xshift, xinverted) \
 197 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
 198   .info = snd_pmac_awacs_info_volume, \
 199   .get = snd_pmac_awacs_get_volume, \
 200   .put = snd_pmac_awacs_put_volume, \
 201   .private_value = (xreg) | ((xshift) << 8) | ((xinverted) << 16) }
 202
 203 /*
 204  * mute master/ogain for AWACS: mono
 205  */
 206 static int snd_pmac_awacs_get_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 207 {
 208         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 209         int reg = kcontrol->private_value & 0xff;
 210         int shift = (kcontrol->private_value >> 8) & 0xff;
 211         int invert = (kcontrol->private_value >> 16) & 1;
 212         int val;
 213         unsigned long flags;
 214
 215         spin_lock_irqsave(&chip->reg_lock, flags);
 216         val = (chip->awacs_reg[reg] >> shift) & 1;
 217         spin_unlock_irqrestore(&chip->reg_lock, flags);
 218         if (invert)
 219                 val = 1 - val;
 220         ucontrol->value.integer.value[0] = val;
 221         return 0;
 222 }
 223
 224 static int snd_pmac_awacs_put_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 225 {
 226         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 227         int reg = kcontrol->private_value & 0xff;
 228         int shift = (kcontrol->private_value >> 8) & 0xff;
 229         int invert = (kcontrol->private_value >> 16) & 1;
 230         int mask = 1 << shift;
 231         int val, changed;
 232         unsigned long flags;
 233
 234         spin_lock_irqsave(&chip->reg_lock, flags);
 235         val = chip->awacs_reg[reg] & ~mask;
 236         if (ucontrol->value.integer.value[0] != invert)
 237                 val |= mask;
 238         changed = chip->awacs_reg[reg] != val;
 239         if (changed)
 240                 snd_pmac_awacs_write_reg(chip, reg, val);
 241         spin_unlock_irqrestore(&chip->reg_lock, flags);
 242         return changed;
 243 }
 244
 245 #define AWACS_SWITCH(xname, xreg, xshift, xinvert) \
 246 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
 247   .info = snd_pmac_boolean_mono_info, \
 248   .get = snd_pmac_awacs_get_switch, \
 249   .put = snd_pmac_awacs_put_switch, \
 250   .private_value = (xreg) | ((xshift) << 8) | ((xinvert) << 16) }
 251
 252
 253 #ifdef PMAC_AMP_AVAIL
 254 /*
 255  * controls for perch/whisper extension cards, e.g. G3 desktop
 256  *
 257  * TDA7433 connected via i2c address 0x45 (= 0x8a),
 258  * accessed through cuda
 259  */
 260 static void awacs_set_cuda(int reg, int val)
 261 {
 262         struct adb_request req;
 263         cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, 0x8a, reg, val);
 264         while (! req.complete)
 265                 cuda_poll();
 266 }
 267
 268 /*
 269  * level = 0 - 14, 7 = 0 dB
 270  */
 271 static void awacs_amp_set_tone(awacs_amp_t *amp, int bass, int treble)
 272 {
 273         amp->amp_tone[0] = bass;
 274         amp->amp_tone[1] = treble;
 275         if (bass > 7)
 276                 bass = (14 - bass) + 8;
 277         if (treble > 7)
 278                 treble = (14 - treble) + 8;
 279         awacs_set_cuda(2, (bass << 4) | treble);
 280 }
 281
 282 /*
 283  * vol = 0 - 31 (attenuation), 32 = mute bit, stereo
 284  */
 285 static int awacs_amp_set_vol(awacs_amp_t *amp, int index, int lvol, int rvol, int do_check)
 286 {
 287         if (do_check && amp->amp_vol[index][0] == lvol &&
 288             amp->amp_vol[index][1] == rvol)
 289                 return 0;
 290         awacs_set_cuda(3 + index, lvol);
 291         awacs_set_cuda(5 + index, rvol);
 292         amp->amp_vol[index][0] = lvol;
 293         amp->amp_vol[index][1] = rvol;
 294         return 1;
 295 }
 296
 297 /*
 298  * 0 = -79 dB, 79 = 0 dB, 99 = +20 dB
 299  */
 300 static void awacs_amp_set_master(awacs_amp_t *amp, int vol)
 301 {
 302         amp->amp_master = vol;
 303         if (vol <= 79)
 304                 vol = 32 + (79 - vol);
 305         else
 306                 vol = 32 - (vol - 79);
 307         awacs_set_cuda(1, vol);
 308 }
 309
 310 static void awacs_amp_free(pmac_t *chip)
 311 {
 312         awacs_amp_t *amp = chip->mixer_data;
 313         snd_assert(amp, return);
 314         kfree(amp);
 315         chip->mixer_data = NULL;
 316         chip->mixer_free = NULL;
 317 }
 318
 319
 320 /*
 321  * mixer controls
 322  */
 323 static int snd_pmac_awacs_info_volume_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 324 {
 325         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 326         uinfo->count = 2;
 327         uinfo->value.integer.min = 0;
 328         uinfo->value.integer.max = 31;
 329         return 0;
 330 }
 331
 332 static int snd_pmac_awacs_get_volume_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 333 {
 334         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 335         int index = kcontrol->private_value;
 336         awacs_amp_t *amp = chip->mixer_data;
 337         snd_assert(amp, return -EINVAL);
 338         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 339         ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31);
 340         ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31);
 341         return 0;
 342 }
 343
 344 static int snd_pmac_awacs_put_volume_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 345 {
 346         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 347         int index = kcontrol->private_value;
 348         int vol[2];
 349         awacs_amp_t *amp = chip->mixer_data;
 350         snd_assert(amp, return -EINVAL);
 351         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 352
 353         vol[0] = (31 - (ucontrol->value.integer.value[0] & 31)) | (amp->amp_vol[index][0] & 32);
 354         vol[1] = (31 - (ucontrol->value.integer.value[1] & 31)) | (amp->amp_vol[index][1] & 32);
 355         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 356 }
 357
 358 static int snd_pmac_awacs_get_switch_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 359 {
 360         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 361         int index = kcontrol->private_value;
 362         awacs_amp_t *amp = chip->mixer_data;
 363         snd_assert(amp, return -EINVAL);
 364         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 365         ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32) ? 0 : 1;
 366         ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32) ? 0 : 1;
 367         return 0;
 368 }
 369
 370 static int snd_pmac_awacs_put_switch_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 371 {
 372         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 373         int index = kcontrol->private_value;
 374         int vol[2];
 375         awacs_amp_t *amp = chip->mixer_data;
 376         snd_assert(amp, return -EINVAL);
 377         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 378
 379         vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32) | (amp->amp_vol[index][0] & 31);
 380         vol[1] = (ucontrol->value.integer.value[1] ? 0 : 32) | (amp->amp_vol[index][1] & 31);
 381         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 382 }
 383
 384 static int snd_pmac_awacs_info_tone_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 385 {
 386         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 387         uinfo->count = 1;
 388         uinfo->value.integer.min = 0;
 389         uinfo->value.integer.max = 14;
 390         return 0;
 391 }
 392
 393 static int snd_pmac_awacs_get_tone_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 394 {
 395         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 396         int index = kcontrol->private_value;
 397         awacs_amp_t *amp = chip->mixer_data;
 398         snd_assert(amp, return -EINVAL);
 399         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 400         ucontrol->value.integer.value[0] = amp->amp_tone[index];
 401         return 0;
 402 }
 403
 404 static int snd_pmac_awacs_put_tone_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 405 {
 406         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 407         int index = kcontrol->private_value;
 408         awacs_amp_t *amp = chip->mixer_data;
 409         snd_assert(amp, return -EINVAL);
 410         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 411         if (ucontrol->value.integer.value[0] != amp->amp_tone[index]) {
 412                 amp->amp_tone[index] = ucontrol->value.integer.value[0];
 413                 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
 414                 return 1;
 415         }
 416         return 0;
 417 }
 418
 419 static int snd_pmac_awacs_info_master_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 420 {
 421         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 422         uinfo->count = 1;
 423         uinfo->value.integer.min = 0;
 424         uinfo->value.integer.max = 99;
 425         return 0;
 426 }
 427
 428 static int snd_pmac_awacs_get_master_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 429 {
 430         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 431         awacs_amp_t *amp = chip->mixer_data;
 432         snd_assert(amp, return -EINVAL);
 433         ucontrol->value.integer.value[0] = amp->amp_master;
 434         return 0;
 435 }
 436
 437 static int snd_pmac_awacs_put_master_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 438 {
 439         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 440         awacs_amp_t *amp = chip->mixer_data;
 441         snd_assert(amp, return -EINVAL);
 442         if (ucontrol->value.integer.value[0] != amp->amp_master) {
 443                 amp->amp_master = ucontrol->value.integer.value[0];
 444                 awacs_amp_set_master(amp, amp->amp_master);
 445                 return 1;
 446         }
 447         return 0;
 448 }
 449
 450 #define AMP_CH_SPK      0
 451 #define AMP_CH_HD       1
 452
 453 static snd_kcontrol_new_t snd_pmac_awacs_amp_vol[] __initdata = {
 454         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 455           .name = "PC Speaker Playback Volume",
 456           .info = snd_pmac_awacs_info_volume_amp,
 457           .get = snd_pmac_awacs_get_volume_amp,
 458           .put = snd_pmac_awacs_put_volume_amp,
 459           .private_value = AMP_CH_SPK,
 460         },
 461         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 462           .name = "Headphone Playback Volume",
 463           .info = snd_pmac_awacs_info_volume_amp,
 464           .get = snd_pmac_awacs_get_volume_amp,
 465           .put = snd_pmac_awacs_put_volume_amp,
 466           .private_value = AMP_CH_HD,
 467         },
 468         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 469           .name = "Tone Control - Bass",
 470           .info = snd_pmac_awacs_info_tone_amp,
 471           .get = snd_pmac_awacs_get_tone_amp,
 472           .put = snd_pmac_awacs_put_tone_amp,
 473           .private_value = 0,
 474         },
 475         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 476           .name = "Tone Control - Treble",
 477           .info = snd_pmac_awacs_info_tone_amp,
 478           .get = snd_pmac_awacs_get_tone_amp,
 479           .put = snd_pmac_awacs_put_tone_amp,
 480           .private_value = 1,
 481         },
 482         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 483           .name = "Amp Master Playback Volume",
 484           .info = snd_pmac_awacs_info_master_amp,
 485           .get = snd_pmac_awacs_get_master_amp,
 486           .put = snd_pmac_awacs_put_master_amp,
 487         },
 488 };
 489
 490 static snd_kcontrol_new_t snd_pmac_awacs_amp_hp_sw __initdata = {
 491         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 492         .name = "Headphone Playback Switch",
 493         .info = snd_pmac_boolean_stereo_info,
 494         .get = snd_pmac_awacs_get_switch_amp,
 495         .put = snd_pmac_awacs_put_switch_amp,
 496         .private_value = AMP_CH_HD,
 497 };
 498
 499 static snd_kcontrol_new_t snd_pmac_awacs_amp_spk_sw __initdata = {
 500         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 501         .name = "PC Speaker Playback Switch",
 502         .info = snd_pmac_boolean_stereo_info,
 503         .get = snd_pmac_awacs_get_switch_amp,
 504         .put = snd_pmac_awacs_put_switch_amp,
 505         .private_value = AMP_CH_SPK,
 506 };
 507
 508 #endif /* PMAC_AMP_AVAIL */
 509
 510
 511 /*
 512  * mic boost for screamer
 513  */
 514 static int snd_pmac_screamer_mic_boost_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 515 {
 516         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 517         uinfo->count = 1;
 518         uinfo->value.integer.min = 0;
 519         uinfo->value.integer.max = 2;
 520         return 0;
 521 }
 522
 523 static int snd_pmac_screamer_mic_boost_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 524 {
 525         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 526         int val;
 527         unsigned long flags;
 528
 529         spin_lock_irqsave(&chip->reg_lock, flags);
 530         if (chip->awacs_reg[6] & MASK_MIC_BOOST)
 531                 val = 2;
 532         else if (chip->awacs_reg[0] & MASK_GAINLINE)
 533                 val = 1;
 534         else
 535                 val = 0;
 536         spin_unlock_irqrestore(&chip->reg_lock, flags);
 537         ucontrol->value.integer.value[0] = val;
 538         return 0;
 539 }
 540
 541 static int snd_pmac_screamer_mic_boost_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 542 {
 543         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 544         int changed = 0;
 545         int val0, val6;
 546         unsigned long flags;
 547
 548         spin_lock_irqsave(&chip->reg_lock, flags);
 549         val0 = chip->awacs_reg[0] & ~MASK_GAINLINE;
 550         val6 = chip->awacs_reg[6] & ~MASK_MIC_BOOST;
 551         if (ucontrol->value.integer.value[0] > 0) {
 552                 val0 |= MASK_GAINLINE;
 553                 if (ucontrol->value.integer.value[0] > 1)
 554                         val6 |= MASK_MIC_BOOST;
 555         }
 556         if (val0 != chip->awacs_reg[0]) {
 557                 snd_pmac_awacs_write_reg(chip, 0, val0);
 558                 changed = 1;
 559         }
 560         if (val6 != chip->awacs_reg[6]) {
 561                 snd_pmac_awacs_write_reg(chip, 6, val6);
 562                 changed = 1;
 563         }
 564         spin_unlock_irqrestore(&chip->reg_lock, flags);
 565         return changed;
 566 }
 567
 568 /*
 569  * lists of mixer elements
 570  */
 571 static snd_kcontrol_new_t snd_pmac_awacs_mixers[] __initdata = {
 572         AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
 573         AWACS_SWITCH("Master Capture Switch", 1, SHIFT_LOOPTHRU, 0),
 574         AWACS_VOLUME("Capture Volume", 0, 4, 0),
 575         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 576 };
 577
 578 /* FIXME: is this correct order?
 579  * screamer (powerbook G3 pismo) seems to have different bits...
 580  */
 581 static snd_kcontrol_new_t snd_pmac_awacs_mixers2[] __initdata = {
 582         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_LINE, 0),
 583         AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_MIC, 0),
 584 };
 585
 586 static snd_kcontrol_new_t snd_pmac_screamer_mixers2[] __initdata = {
 587         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 588         AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0),
 589 };
 590
 591 static snd_kcontrol_new_t snd_pmac_awacs_master_sw __initdata =
 592 AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1);
 593
 594 static snd_kcontrol_new_t snd_pmac_awacs_mic_boost[] __initdata = {
 595         AWACS_SWITCH("Mic Boost", 0, SHIFT_GAINLINE, 0),
 596 };
 597
 598 static snd_kcontrol_new_t snd_pmac_screamer_mic_boost[] __initdata = {
 599         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 600           .name = "Mic Boost",
 601           .info = snd_pmac_screamer_mic_boost_info,
 602           .get = snd_pmac_screamer_mic_boost_get,
 603           .put = snd_pmac_screamer_mic_boost_put,
 604         },
 605 };
 606
 607 static snd_kcontrol_new_t snd_pmac_awacs_speaker_vol[] __initdata = {
 608         AWACS_VOLUME("PC Speaker Playback Volume", 4, 6, 1),
 609 };
 610 static snd_kcontrol_new_t snd_pmac_awacs_speaker_sw __initdata =
 611 AWACS_SWITCH("PC Speaker Playback Switch", 1, SHIFT_SPKMUTE, 1);
 612
 613
 614 /*
 615  * add new mixer elements to the card
 616  */
 617 static int build_mixers(pmac_t *chip, int nums, snd_kcontrol_new_t *mixers)
 618 {
 619         int i, err;
 620
 621         for (i = 0; i < nums; i++) {
 622                 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&mixers[i], chip))) < 0)
 623                         return err;
 624         }
 625         return 0;
 626 }
 627
 628
 629 /*
 630  * restore all registers
 631  */
 632 static void awacs_restore_all_regs(pmac_t *chip)
 633 {
 634         snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
 635         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
 636         snd_pmac_awacs_write_noreg(chip, 2, chip->awacs_reg[2]);
 637         snd_pmac_awacs_write_noreg(chip, 4, chip->awacs_reg[4]);
 638         if (chip->model == PMAC_SCREAMER) {
 639                 snd_pmac_awacs_write_noreg(chip, 5, chip->awacs_reg[5]);
 640                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 641                 snd_pmac_awacs_write_noreg(chip, 7, chip->awacs_reg[7]);
 642         }
 643 }
 644
 645 #ifdef CONFIG_PM
 646 static void snd_pmac_awacs_suspend(pmac_t *chip)
 647 {
 648         snd_pmac_awacs_write_noreg(chip, 1, (chip->awacs_reg[1]
 649                                              | MASK_AMUTE | MASK_CMUTE));
 650 }
 651
 652 static void snd_pmac_awacs_resume(pmac_t *chip)
 653 {
 654         if (machine_is_compatible("PowerBook3,1")
 655             || machine_is_compatible("PowerBook3,2")) {
 656                 big_mdelay(100);
 657                 snd_pmac_awacs_write_reg(chip, 1,
 658                         chip->awacs_reg[1] & ~MASK_PAROUT);
 659                 big_mdelay(300);
 660         }
 661
 662         awacs_restore_all_regs(chip);
 663         if (chip->model == PMAC_SCREAMER) {
 664                 /* reset power bits in reg 6 */
 665                 mdelay(5);
 666                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 667         }
 668         screamer_recalibrate(chip);
 669 #ifdef PMAC_AMP_AVAIL
 670         if (chip->mixer_data) {
 671                 awacs_amp_t *amp = chip->mixer_data;
 672                 awacs_amp_set_vol(amp, 0, amp->amp_vol[0][0], amp->amp_vol[0][1], 0);
 673                 awacs_amp_set_vol(amp, 1, amp->amp_vol[1][0], amp->amp_vol[1][1], 0);
 674                 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
 675                 awacs_amp_set_master(amp, amp->amp_master);
 676         }
 677 #endif
 678 }
 679 #endif /* CONFIG_PM */
 680
 681 #ifdef PMAC_SUPPORT_AUTOMUTE
 682 /*
 683  * auto-mute stuffs
 684  */
 685 static int snd_pmac_awacs_detect_headphone(pmac_t *chip)
 686 {
 687         return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
 688 }
 689
 690 #ifdef PMAC_AMP_AVAIL
 691 static int toggle_amp_mute(awacs_amp_t *amp, int index, int mute)
 692 {
 693         int vol[2];
 694         vol[0] = amp->amp_vol[index][0] & 31;
 695         vol[1] = amp->amp_vol[index][1] & 31;
 696         if (mute) {
 697                 vol[0] |= 32;
 698                 vol[1] |= 32;
 699         }
 700         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 701 }
 702 #endif
 703
 704 static void snd_pmac_awacs_update_automute(pmac_t *chip, int do_notify)
 705 {
 706         if (chip->auto_mute) {
 707 #ifdef PMAC_AMP_AVAIL
 708                 if (chip->mixer_data) {
 709                         awacs_amp_t *amp = chip->mixer_data;
 710                         int changed;
 711                         if (snd_pmac_awacs_detect_headphone(chip)) {
 712                                 changed = toggle_amp_mute(amp, AMP_CH_HD, 0);
 713                                 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 1);
 714                         } else {
 715                                 changed = toggle_amp_mute(amp, AMP_CH_HD, 1);
 716                                 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 0);
 717                         }
 718                         if (do_notify && ! changed)
 719                                 return;
 720                 } else
 721 #endif
 722                 {
 723                         int reg = chip->awacs_reg[1] | (MASK_HDMUTE|MASK_SPKMUTE);
 724                         if (snd_pmac_awacs_detect_headphone(chip))
 725                                 reg &= ~MASK_HDMUTE;
 726                         else
 727                                 reg &= ~MASK_SPKMUTE;
 728                         if (do_notify && reg == chip->awacs_reg[1])
 729                                 return;
 730                         snd_pmac_awacs_write_reg(chip, 1, reg);
 731                 }
 732                 if (do_notify) {
 733                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 734                                        &chip->master_sw_ctl->id);
 735                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 736                                        &chip->speaker_sw_ctl->id);
 737                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 738                                        &chip->hp_detect_ctl->id);
 739                 }
 740         }
 741 }
 742 #endif /* PMAC_SUPPORT_AUTOMUTE */
 743
 744
 745 /*
 746  * initialize chip
 747  */
 748 int __init
 749 snd_pmac_awacs_init(pmac_t *chip)
 750 {
 751         int err, vol;
 752
 753         /* looks like MASK_GAINLINE triggers something, so we set here
 754          * as start-up
 755          */
 756         chip->awacs_reg[0] = MASK_MUX_CD | 0xff | MASK_GAINLINE;
 757         chip->awacs_reg[1] = MASK_CMUTE | MASK_AMUTE;
 758         /* FIXME: Only machines with external SRS module need MASK_PAROUT */
 759         if (chip->has_iic || chip->device_id == 0x5 ||
 760             /*chip->_device_id == 0x8 || */
 761             chip->device_id == 0xb)
 762                 chip->awacs_reg[1] |= MASK_PAROUT;
 763         /* get default volume from nvram */
 764         // vol = (~nvram_read_byte(0x1308) & 7) << 1;
 765         // vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 );
 766         vol = 0x0f; /* no, on alsa, muted as default */
 767         vol = vol + (vol << 6);
 768         chip->awacs_reg[2] = vol;
 769         chip->awacs_reg[4] = vol;
 770         if (chip->model == PMAC_SCREAMER) {
 771                 chip->awacs_reg[5] = vol; /* FIXME: screamer has loopthru vol control */
 772                 chip->awacs_reg[6] = MASK_MIC_BOOST; /* FIXME: maybe should be vol << 3 for PCMCIA speaker */
 773                 chip->awacs_reg[7] = 0;
 774         }
 775
 776         awacs_restore_all_regs(chip);
 777         chip->manufacturer = (in_le32(&chip->awacs->codec_stat) >> 8) & 0xf;
 778         screamer_recalibrate(chip);
 779
 780         chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf;
 781 #ifdef PMAC_AMP_AVAIL
 782         if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) {
 783                 awacs_amp_t *amp = kmalloc(sizeof(*amp), GFP_KERNEL);
 784                 if (! amp)
 785                         return -ENOMEM;
 786                 chip->mixer_data = amp;
 787                 memset(amp, 0, sizeof(*amp));
 788                 chip->mixer_free = awacs_amp_free;
 789                 awacs_amp_set_vol(amp, 0, 63, 63, 0); /* mute and zero vol */
 790                 awacs_amp_set_vol(amp, 1, 63, 63, 0);
 791                 awacs_amp_set_tone(amp, 7, 7); /* 0 dB */
 792                 awacs_amp_set_master(amp, 79); /* 0 dB */
 793         }
 794 #endif /* PMAC_AMP_AVAIL */
 795
 796         if (chip->hp_stat_mask == 0) {
 797                 /* set headphone-jack detection bit */
 798                 switch (chip->model) {
 799                 case PMAC_AWACS:
 800                         chip->hp_stat_mask = 0x04;
 801                         break;
 802                 case PMAC_SCREAMER:
 803                         switch (chip->device_id) {
 804                         case 0x08:
 805                                 /* 1 = side jack, 2 = front jack */
 806                                 chip->hp_stat_mask = 0x03;
 807                                 break;
 808                         case 0x00:
 809                         case 0x05:
 810                                 chip->hp_stat_mask = 0x04;
 811                                 break;
 812                         default:
 813                                 chip->hp_stat_mask = 0x08;
 814                                 break;
 815                         }
 816                         break;
 817                 default:
 818                         snd_BUG();
 819                         break;
 820                 }
 821         }
 822
 823         /*
 824          * build mixers
 825          */
 826         strcpy(chip->card->mixername, "PowerMac AWACS");
 827
 828         if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers),
 829                                 snd_pmac_awacs_mixers)) < 0)
 830                 return err;
 831         if (chip->model == PMAC_SCREAMER)
 832                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2),
 833                                    snd_pmac_screamer_mixers2);
 834         else
 835                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers2),
 836                                    snd_pmac_awacs_mixers2);
 837         if (err < 0)
 838                 return err;
 839         chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_master_sw, chip);
 840         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
 841                 return err;
 842 #ifdef PMAC_AMP_AVAIL
 843         if (chip->mixer_data) {
 844                 /* use amplifier.  the signal is connected from route A
 845                  * to the amp.  the amp has its headphone and speaker
 846                  * volumes and mute switches, so we use them instead of
 847                  * screamer registers.
 848                  * in this case, it seems the route C is not used.
 849                  */
 850                 if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_amp_vol),
 851                                         snd_pmac_awacs_amp_vol)) < 0)
 852                         return err;
 853                 /* overwrite */
 854                 chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_hp_sw, chip);
 855                 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
 856                         return err;
 857                 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_spk_sw, chip);
 858                 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
 859                         return err;
 860         } else
 861 #endif /* PMAC_AMP_AVAIL */
 862         {
 863                 /* route A = headphone, route C = speaker */
 864                 if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_speaker_vol),
 865                                         snd_pmac_awacs_speaker_vol)) < 0)
 866                         return err;
 867                 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_speaker_sw, chip);
 868                 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
 869                         return err;
 870         }
 871
 872         if (chip->model == PMAC_SCREAMER) {
 873                 if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mic_boost),
 874                                         snd_pmac_screamer_mic_boost)) < 0)
 875                         return err;
 876         } else {
 877                 if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mic_boost),
 878                                         snd_pmac_awacs_mic_boost)) < 0)
 879                         return err;
 880         }
 881
 882         /*
 883          * set lowlevel callbacks
 884          */
 885         chip->set_format = snd_pmac_awacs_set_format;
 886 #ifdef CONFIG_PM
 887         chip->suspend = snd_pmac_awacs_suspend;
 888         chip->resume = snd_pmac_awacs_resume;
 889 #endif
 890 #ifdef PMAC_SUPPORT_AUTOMUTE
 891         if ((err = snd_pmac_add_automute(chip)) < 0)
 892                 return err;
 893         chip->detect_headphone = snd_pmac_awacs_detect_headphone;
 894         chip->update_automute = snd_pmac_awacs_update_automute;
 895         snd_pmac_awacs_update_automute(chip, 0); /* update the status only */
 896 #endif
 897         if (chip->model == PMAC_SCREAMER) {
 898                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 899                 snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
 900         }
 901
 902         return 0;
 903 }