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 <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, reg, val);
 271         while (! req.complete)
 272                 cuda_poll();
 273 }
 274
 275 /*
 276  * level = 0 - 14, 7 = 0 dB
 277  */
 278 static void awacs_amp_set_tone(struct awacs_amp *amp, int bass, int treble)
 279 {
 280         amp->amp_tone[0] = bass;
 281         amp->amp_tone[1] = treble;
 282         if (bass > 7)
 283                 bass = (14 - bass) + 8;
 284         if (treble > 7)
 285                 treble = (14 - treble) + 8;
 286         awacs_set_cuda(2, (bass << 4) | treble);
 287 }
 288
 289 /*
 290  * vol = 0 - 31 (attenuation), 32 = mute bit, stereo
 291  */
 292 static int awacs_amp_set_vol(struct awacs_amp *amp, int index, int lvol, int rvol,
 293                              int do_check)
 294 {
 295         if (do_check && amp->amp_vol[index][0] == lvol &&
 296             amp->amp_vol[index][1] == rvol)
 297                 return 0;
 298         awacs_set_cuda(3 + index, lvol);
 299         awacs_set_cuda(5 + index, rvol);
 300         amp->amp_vol[index][0] = lvol;
 301         amp->amp_vol[index][1] = rvol;
 302         return 1;
 303 }
 304
 305 /*
 306  * 0 = -79 dB, 79 = 0 dB, 99 = +20 dB
 307  */
 308 static void awacs_amp_set_master(struct awacs_amp *amp, int vol)
 309 {
 310         amp->amp_master = vol;
 311         if (vol <= 79)
 312                 vol = 32 + (79 - vol);
 313         else
 314                 vol = 32 - (vol - 79);
 315         awacs_set_cuda(1, vol);
 316 }
 317
 318 static void awacs_amp_free(struct snd_pmac *chip)
 319 {
 320         struct awacs_amp *amp = chip->mixer_data;
 321         snd_assert(amp, return);
 322         kfree(amp);
 323         chip->mixer_data = NULL;
 324         chip->mixer_free = NULL;
 325 }
 326
 327
 328 /*
 329  * mixer controls
 330  */
 331 static int snd_pmac_awacs_info_volume_amp(struct snd_kcontrol *kcontrol,
 332                                           struct snd_ctl_elem_info *uinfo)
 333 {
 334         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 335         uinfo->count = 2;
 336         uinfo->value.integer.min = 0;
 337         uinfo->value.integer.max = 31;
 338         return 0;
 339 }
 340
 341 static int snd_pmac_awacs_get_volume_amp(struct snd_kcontrol *kcontrol,
 342                                          struct snd_ctl_elem_value *ucontrol)
 343 {
 344         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 345         int index = kcontrol->private_value;
 346         struct awacs_amp *amp = chip->mixer_data;
 347         snd_assert(amp, return -EINVAL);
 348         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 349         ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31);
 350         ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31);
 351         return 0;
 352 }
 353
 354 static int snd_pmac_awacs_put_volume_amp(struct snd_kcontrol *kcontrol,
 355                                          struct snd_ctl_elem_value *ucontrol)
 356 {
 357         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 358         int index = kcontrol->private_value;
 359         int vol[2];
 360         struct awacs_amp *amp = chip->mixer_data;
 361         snd_assert(amp, return -EINVAL);
 362         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 363
 364         vol[0] = (31 - (ucontrol->value.integer.value[0] & 31)) | (amp->amp_vol[index][0] & 32);
 365         vol[1] = (31 - (ucontrol->value.integer.value[1] & 31)) | (amp->amp_vol[index][1] & 32);
 366         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 367 }
 368
 369 static int snd_pmac_awacs_get_switch_amp(struct snd_kcontrol *kcontrol,
 370                                          struct snd_ctl_elem_value *ucontrol)
 371 {
 372         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 373         int index = kcontrol->private_value;
 374         struct awacs_amp *amp = chip->mixer_data;
 375         snd_assert(amp, return -EINVAL);
 376         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 377         ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32) ? 0 : 1;
 378         ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32) ? 0 : 1;
 379         return 0;
 380 }
 381
 382 static int snd_pmac_awacs_put_switch_amp(struct snd_kcontrol *kcontrol,
 383                                          struct snd_ctl_elem_value *ucontrol)
 384 {
 385         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 386         int index = kcontrol->private_value;
 387         int vol[2];
 388         struct awacs_amp *amp = chip->mixer_data;
 389         snd_assert(amp, return -EINVAL);
 390         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 391
 392         vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32) | (amp->amp_vol[index][0] & 31);
 393         vol[1] = (ucontrol->value.integer.value[1] ? 0 : 32) | (amp->amp_vol[index][1] & 31);
 394         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 395 }
 396
 397 static int snd_pmac_awacs_info_tone_amp(struct snd_kcontrol *kcontrol,
 398                                         struct snd_ctl_elem_info *uinfo)
 399 {
 400         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 401         uinfo->count = 1;
 402         uinfo->value.integer.min = 0;
 403         uinfo->value.integer.max = 14;
 404         return 0;
 405 }
 406
 407 static int snd_pmac_awacs_get_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         snd_assert(amp, return -EINVAL);
 414         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 415         ucontrol->value.integer.value[0] = amp->amp_tone[index];
 416         return 0;
 417 }
 418
 419 static int snd_pmac_awacs_put_tone_amp(struct snd_kcontrol *kcontrol,
 420                                        struct snd_ctl_elem_value *ucontrol)
 421 {
 422         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 423         int index = kcontrol->private_value;
 424         struct awacs_amp *amp = chip->mixer_data;
 425         unsigned int val;
 426         snd_assert(amp, return -EINVAL);
 427         snd_assert(index >= 0 && index <= 1, return -EINVAL);
 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         snd_assert(amp, return -EINVAL);
 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         snd_assert(amp, return -EINVAL);
 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 = 2;
 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;
 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         else if (chip->awacs_reg[0] & MASK_GAINLINE)
 562                 val = 1;
 563         else
 564                 val = 0;
 565         spin_unlock_irqrestore(&chip->reg_lock, flags);
 566         ucontrol->value.integer.value[0] = val;
 567         return 0;
 568 }
 569
 570 static int snd_pmac_screamer_mic_boost_put(struct snd_kcontrol *kcontrol,
 571                                            struct snd_ctl_elem_value *ucontrol)
 572 {
 573         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 574         int changed = 0;
 575         int val0, val6;
 576         unsigned long flags;
 577
 578         spin_lock_irqsave(&chip->reg_lock, flags);
 579         val0 = chip->awacs_reg[0] & ~MASK_GAINLINE;
 580         val6 = chip->awacs_reg[6] & ~MASK_MIC_BOOST;
 581         if (ucontrol->value.integer.value[0] > 0) {
 582                 val0 |= MASK_GAINLINE;
 583                 if (ucontrol->value.integer.value[0] > 1)
 584                         val6 |= MASK_MIC_BOOST;
 585         }
 586         if (val0 != chip->awacs_reg[0]) {
 587                 snd_pmac_awacs_write_reg(chip, 0, val0);
 588                 changed = 1;
 589         }
 590         if (val6 != chip->awacs_reg[6]) {
 591                 snd_pmac_awacs_write_reg(chip, 6, val6);
 592                 changed = 1;
 593         }
 594         spin_unlock_irqrestore(&chip->reg_lock, flags);
 595         return changed;
 596 }
 597
 598 /*
 599  * lists of mixer elements
 600  */
 601 static struct snd_kcontrol_new snd_pmac_awacs_mixers[] __initdata = {
 602         AWACS_VOLUME("Master Playback Volume", 2, 6, 1),
 603         AWACS_SWITCH("Master Capture Switch", 1, SHIFT_LOOPTHRU, 0),
 604         AWACS_VOLUME("Capture Volume", 0, 4, 0),
 605         AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0),
 606 };
 607
 608 /* FIXME: is this correct order?
 609  * screamer (powerbook G3 pismo) seems to have different bits...
 610  */
 611 static struct snd_kcontrol_new snd_pmac_awacs_mixers2[] __initdata = {
 612         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_LINE, 0),
 613         AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_MIC, 0),
 614 };
 615
 616 static struct snd_kcontrol_new snd_pmac_screamer_mixers2[] __initdata = {
 617         AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0),
 618         AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0),
 619 };
 620
 621 static struct snd_kcontrol_new snd_pmac_awacs_master_sw __initdata =
 622 AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1);
 623
 624 static struct snd_kcontrol_new snd_pmac_awacs_mic_boost[] __initdata = {
 625         AWACS_SWITCH("Mic Boost", 0, SHIFT_GAINLINE, 0),
 626 };
 627
 628 static struct snd_kcontrol_new snd_pmac_screamer_mic_boost[] __initdata = {
 629         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 630           .name = "Mic Boost",
 631           .info = snd_pmac_screamer_mic_boost_info,
 632           .get = snd_pmac_screamer_mic_boost_get,
 633           .put = snd_pmac_screamer_mic_boost_put,
 634         },
 635 };
 636
 637 static struct snd_kcontrol_new snd_pmac_awacs_speaker_vol[] __initdata = {
 638         AWACS_VOLUME("PC Speaker Playback Volume", 4, 6, 1),
 639 };
 640 static struct snd_kcontrol_new snd_pmac_awacs_speaker_sw __initdata =
 641 AWACS_SWITCH("PC Speaker Playback Switch", 1, SHIFT_SPKMUTE, 1);
 642
 643
 644 /*
 645  * add new mixer elements to the card
 646  */
 647 static int build_mixers(struct snd_pmac *chip, int nums, struct snd_kcontrol_new *mixers)
 648 {
 649         int i, err;
 650
 651         for (i = 0; i < nums; i++) {
 652                 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&mixers[i], chip))) < 0)
 653                         return err;
 654         }
 655         return 0;
 656 }
 657
 658
 659 /*
 660  * restore all registers
 661  */
 662 static void awacs_restore_all_regs(struct snd_pmac *chip)
 663 {
 664         snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
 665         snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]);
 666         snd_pmac_awacs_write_noreg(chip, 2, chip->awacs_reg[2]);
 667         snd_pmac_awacs_write_noreg(chip, 4, chip->awacs_reg[4]);
 668         if (chip->model == PMAC_SCREAMER) {
 669                 snd_pmac_awacs_write_noreg(chip, 5, chip->awacs_reg[5]);
 670                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 671                 snd_pmac_awacs_write_noreg(chip, 7, chip->awacs_reg[7]);
 672         }
 673 }
 674
 675 #ifdef CONFIG_PM
 676 static void snd_pmac_awacs_suspend(struct snd_pmac *chip)
 677 {
 678         snd_pmac_awacs_write_noreg(chip, 1, (chip->awacs_reg[1]
 679                                              | MASK_AMUTE | MASK_CMUTE));
 680 }
 681
 682 static void snd_pmac_awacs_resume(struct snd_pmac *chip)
 683 {
 684         if (machine_is_compatible("PowerBook3,1")
 685             || machine_is_compatible("PowerBook3,2")) {
 686                 msleep(100);
 687                 snd_pmac_awacs_write_reg(chip, 1,
 688                         chip->awacs_reg[1] & ~MASK_PAROUT);
 689                 msleep(300);
 690         }
 691
 692         awacs_restore_all_regs(chip);
 693         if (chip->model == PMAC_SCREAMER) {
 694                 /* reset power bits in reg 6 */
 695                 mdelay(5);
 696                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 697         }
 698         screamer_recalibrate(chip);
 699 #ifdef PMAC_AMP_AVAIL
 700         if (chip->mixer_data) {
 701                 struct awacs_amp *amp = chip->mixer_data;
 702                 awacs_amp_set_vol(amp, 0, amp->amp_vol[0][0], amp->amp_vol[0][1], 0);
 703                 awacs_amp_set_vol(amp, 1, amp->amp_vol[1][0], amp->amp_vol[1][1], 0);
 704                 awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
 705                 awacs_amp_set_master(amp, amp->amp_master);
 706         }
 707 #endif
 708 }
 709 #endif /* CONFIG_PM */
 710
 711 #ifdef PMAC_SUPPORT_AUTOMUTE
 712 /*
 713  * auto-mute stuffs
 714  */
 715 static int snd_pmac_awacs_detect_headphone(struct snd_pmac *chip)
 716 {
 717         return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
 718 }
 719
 720 #ifdef PMAC_AMP_AVAIL
 721 static int toggle_amp_mute(struct awacs_amp *amp, int index, int mute)
 722 {
 723         int vol[2];
 724         vol[0] = amp->amp_vol[index][0] & 31;
 725         vol[1] = amp->amp_vol[index][1] & 31;
 726         if (mute) {
 727                 vol[0] |= 32;
 728                 vol[1] |= 32;
 729         }
 730         return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1);
 731 }
 732 #endif
 733
 734 static void snd_pmac_awacs_update_automute(struct snd_pmac *chip, int do_notify)
 735 {
 736         if (chip->auto_mute) {
 737 #ifdef PMAC_AMP_AVAIL
 738                 if (chip->mixer_data) {
 739                         struct awacs_amp *amp = chip->mixer_data;
 740                         int changed;
 741                         if (snd_pmac_awacs_detect_headphone(chip)) {
 742                                 changed = toggle_amp_mute(amp, AMP_CH_HD, 0);
 743                                 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 1);
 744                         } else {
 745                                 changed = toggle_amp_mute(amp, AMP_CH_HD, 1);
 746                                 changed |= toggle_amp_mute(amp, AMP_CH_SPK, 0);
 747                         }
 748                         if (do_notify && ! changed)
 749                                 return;
 750                 } else
 751 #endif
 752                 {
 753                         int reg = chip->awacs_reg[1] | (MASK_HDMUTE|MASK_SPKMUTE);
 754                         if (snd_pmac_awacs_detect_headphone(chip))
 755                                 reg &= ~MASK_HDMUTE;
 756                         else
 757                                 reg &= ~MASK_SPKMUTE;
 758                         if (do_notify && reg == chip->awacs_reg[1])
 759                                 return;
 760                         snd_pmac_awacs_write_reg(chip, 1, reg);
 761                 }
 762                 if (do_notify) {
 763                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 764                                        &chip->master_sw_ctl->id);
 765                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 766                                        &chip->speaker_sw_ctl->id);
 767                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 768                                        &chip->hp_detect_ctl->id);
 769                 }
 770         }
 771 }
 772 #endif /* PMAC_SUPPORT_AUTOMUTE */
 773
 774
 775 /*
 776  * initialize chip
 777  */
 778 int __init
 779 snd_pmac_awacs_init(struct snd_pmac *chip)
 780 {
 781         int err, vol;
 782
 783         /* looks like MASK_GAINLINE triggers something, so we set here
 784          * as start-up
 785          */
 786         chip->awacs_reg[0] = MASK_MUX_CD | 0xff | MASK_GAINLINE;
 787         chip->awacs_reg[1] = MASK_CMUTE | MASK_AMUTE;
 788         /* FIXME: Only machines with external SRS module need MASK_PAROUT */
 789         if (chip->has_iic || chip->device_id == 0x5 ||
 790             /*chip->_device_id == 0x8 || */
 791             chip->device_id == 0xb)
 792                 chip->awacs_reg[1] |= MASK_PAROUT;
 793         /* get default volume from nvram */
 794         // vol = (~nvram_read_byte(0x1308) & 7) << 1;
 795         // vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 );
 796         vol = 0x0f; /* no, on alsa, muted as default */
 797         vol = vol + (vol << 6);
 798         chip->awacs_reg[2] = vol;
 799         chip->awacs_reg[4] = vol;
 800         if (chip->model == PMAC_SCREAMER) {
 801                 chip->awacs_reg[5] = vol; /* FIXME: screamer has loopthru vol control */
 802                 chip->awacs_reg[6] = MASK_MIC_BOOST; /* FIXME: maybe should be vol << 3 for PCMCIA speaker */
 803                 chip->awacs_reg[7] = 0;
 804         }
 805
 806         awacs_restore_all_regs(chip);
 807         chip->manufacturer = (in_le32(&chip->awacs->codec_stat) >> 8) & 0xf;
 808         screamer_recalibrate(chip);
 809
 810         chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf;
 811 #ifdef PMAC_AMP_AVAIL
 812         if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) {
 813                 struct awacs_amp *amp = kzalloc(sizeof(*amp), GFP_KERNEL);
 814                 if (! amp)
 815                         return -ENOMEM;
 816                 chip->mixer_data = amp;
 817                 chip->mixer_free = awacs_amp_free;
 818                 awacs_amp_set_vol(amp, 0, 63, 63, 0); /* mute and zero vol */
 819                 awacs_amp_set_vol(amp, 1, 63, 63, 0);
 820                 awacs_amp_set_tone(amp, 7, 7); /* 0 dB */
 821                 awacs_amp_set_master(amp, 79); /* 0 dB */
 822         }
 823 #endif /* PMAC_AMP_AVAIL */
 824
 825         if (chip->hp_stat_mask == 0) {
 826                 /* set headphone-jack detection bit */
 827                 switch (chip->model) {
 828                 case PMAC_AWACS:
 829                         chip->hp_stat_mask = 0x04;
 830                         break;
 831                 case PMAC_SCREAMER:
 832                         switch (chip->device_id) {
 833                         case 0x08:
 834                                 /* 1 = side jack, 2 = front jack */
 835                                 chip->hp_stat_mask = 0x03;
 836                                 break;
 837                         case 0x00:
 838                         case 0x05:
 839                                 chip->hp_stat_mask = 0x04;
 840                                 break;
 841                         default:
 842                                 chip->hp_stat_mask = 0x08;
 843                                 break;
 844                         }
 845                         break;
 846                 default:
 847                         snd_BUG();
 848                         break;
 849                 }
 850         }
 851
 852         /*
 853          * build mixers
 854          */
 855         strcpy(chip->card->mixername, "PowerMac AWACS");
 856
 857         if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers),
 858                                 snd_pmac_awacs_mixers)) < 0)
 859                 return err;
 860         if (chip->model == PMAC_SCREAMER)
 861                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2),
 862                                    snd_pmac_screamer_mixers2);
 863         else
 864                 err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers2),
 865                                    snd_pmac_awacs_mixers2);
 866         if (err < 0)
 867                 return err;
 868         chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_master_sw, chip);
 869         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
 870                 return err;
 871 #ifdef PMAC_AMP_AVAIL
 872         if (chip->mixer_data) {
 873                 /* use amplifier.  the signal is connected from route A
 874                  * to the amp.  the amp has its headphone and speaker
 875                  * volumes and mute switches, so we use them instead of
 876                  * screamer registers.
 877                  * in this case, it seems the route C is not used.
 878                  */
 879                 if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_amp_vol),
 880                                         snd_pmac_awacs_amp_vol)) < 0)
 881                         return err;
 882                 /* overwrite */
 883                 chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_hp_sw, chip);
 884                 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
 885                         return err;
 886                 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_spk_sw, chip);
 887                 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
 888                         return err;
 889         } else
 890 #endif /* PMAC_AMP_AVAIL */
 891         {
 892                 /* route A = headphone, route C = speaker */
 893                 if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_speaker_vol),
 894                                         snd_pmac_awacs_speaker_vol)) < 0)
 895                         return err;
 896                 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_speaker_sw, chip);
 897                 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
 898                         return err;
 899         }
 900
 901         if (chip->model == PMAC_SCREAMER) {
 902                 if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mic_boost),
 903                                         snd_pmac_screamer_mic_boost)) < 0)
 904                         return err;
 905         } else {
 906                 if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mic_boost),
 907                                         snd_pmac_awacs_mic_boost)) < 0)
 908                         return err;
 909         }
 910
 911         /*
 912          * set lowlevel callbacks
 913          */
 914         chip->set_format = snd_pmac_awacs_set_format;
 915 #ifdef CONFIG_PM
 916         chip->suspend = snd_pmac_awacs_suspend;
 917         chip->resume = snd_pmac_awacs_resume;
 918 #endif
 919 #ifdef PMAC_SUPPORT_AUTOMUTE
 920         if ((err = snd_pmac_add_automute(chip)) < 0)
 921                 return err;
 922         chip->detect_headphone = snd_pmac_awacs_detect_headphone;
 923         chip->update_automute = snd_pmac_awacs_update_automute;
 924         snd_pmac_awacs_update_automute(chip, 0); /* update the status only */
 925 #endif
 926         if (chip->model == PMAC_SCREAMER) {
 927                 snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]);
 928                 snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]);
 929         }
 930
 931         return 0;
 932 }