sound/ppc/tumbler.c

   1 /*
   2  * PMac Tumbler/Snapper lowlevel functions
   3  *
   4  * Copyright (c) by Takashi Iwai <tiwai@suse.de>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  *   Rene Rebe <rene.rebe@gmx.net>:
  21  *     * update from shadow registers on wakeup and headphone plug
  22  *     * automatically toggle DRC on headphone plug
  23  *
  24  */
  25
  26
  27 #include <linux/init.h>
  28 #include <linux/delay.h>
  29 #include <linux/i2c.h>
  30 #include <linux/kmod.h>
  31 #include <linux/slab.h>
  32 #include <linux/interrupt.h>
  33 #include <linux/string.h>
  34 #include <sound/core.h>
  35 #include <asm/io.h>
  36 #include <asm/irq.h>
  37 #include <asm/machdep.h>
  38 #include <asm/pmac_feature.h>
  39 #include "pmac.h"
  40 #include "tumbler_volume.h"
  41
  42 #undef DEBUG
  43
  44 #ifdef DEBUG
  45 #define DBG(fmt...) printk(KERN_DEBUG fmt)
  46 #else
  47 #define DBG(fmt...)
  48 #endif
  49
  50 #define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
  51
  52 /* i2c address for tumbler */
  53 #define TAS_I2C_ADDR    0x34
  54
  55 /* registers */
  56 #define TAS_REG_MCS     0x01    /* main control */
  57 #define TAS_REG_DRC     0x02
  58 #define TAS_REG_VOL     0x04
  59 #define TAS_REG_TREBLE  0x05
  60 #define TAS_REG_BASS    0x06
  61 #define TAS_REG_INPUT1  0x07
  62 #define TAS_REG_INPUT2  0x08
  63
  64 /* tas3001c */
  65 #define TAS_REG_PCM     TAS_REG_INPUT1
  66
  67 /* tas3004 */
  68 #define TAS_REG_LMIX    TAS_REG_INPUT1
  69 #define TAS_REG_RMIX    TAS_REG_INPUT2
  70 #define TAS_REG_MCS2    0x43            /* main control 2 */
  71 #define TAS_REG_ACS     0x40            /* analog control */
  72
  73 /* mono volumes for tas3001c/tas3004 */
  74 enum {
  75         VOL_IDX_PCM_MONO, /* tas3001c only */
  76         VOL_IDX_BASS, VOL_IDX_TREBLE,
  77         VOL_IDX_LAST_MONO
  78 };
  79
  80 /* stereo volumes for tas3004 */
  81 enum {
  82         VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
  83         VOL_IDX_LAST_MIX
  84 };
  85
  86 struct pmac_gpio {
  87         unsigned int addr;
  88         u8 active_val;
  89         u8 inactive_val;
  90         u8 active_state;
  91 };
  92
  93 struct pmac_tumbler {
  94         struct pmac_keywest i2c;
  95         struct pmac_gpio audio_reset;
  96         struct pmac_gpio amp_mute;
  97         struct pmac_gpio line_mute;
  98         struct pmac_gpio line_detect;
  99         struct pmac_gpio hp_mute;
 100         struct pmac_gpio hp_detect;
 101         int headphone_irq;
 102         int lineout_irq;
 103         unsigned int save_master_vol[2];
 104         unsigned int master_vol[2];
 105         unsigned int save_master_switch[2];
 106         unsigned int master_switch[2];
 107         unsigned int mono_vol[VOL_IDX_LAST_MONO];
 108         unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
 109         int drc_range;
 110         int drc_enable;
 111         int capture_source;
 112         int anded_reset;
 113         int auto_mute_notify;
 114         int reset_on_sleep;
 115         u8  acs;
 116 };
 117
 118
 119 /*
 120  */
 121
 122 static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
 123 {
 124         while (*regs > 0) {
 125                 int err, count = 10;
 126                 do {
 127                         err = i2c_smbus_write_byte_data(i2c->client,
 128                                                         regs[0], regs[1]);
 129                         if (err >= 0)
 130                                 break;
 131                         DBG("(W) i2c error %d\n", err);
 132                         mdelay(10);
 133                 } while (count--);
 134                 if (err < 0)
 135                         return -ENXIO;
 136                 regs += 2;
 137         }
 138         return 0;
 139 }
 140
 141
 142 static int tumbler_init_client(struct pmac_keywest *i2c)
 143 {
 144         static unsigned int regs[] = {
 145                 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
 146                 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
 147                 0, /* terminator */
 148         };
 149         DBG("(I) tumbler init client\n");
 150         return send_init_client(i2c, regs);
 151 }
 152
 153 static int snapper_init_client(struct pmac_keywest *i2c)
 154 {
 155         static unsigned int regs[] = {
 156                 /* normal operation, SCLK=64fps, i2s output, 16bit width */
 157                 TAS_REG_MCS, (1<<6)|(2<<4)|0,
 158                 /* normal operation, all-pass mode */
 159                 TAS_REG_MCS2, (1<<1),
 160                 /* normal output, no deemphasis, A input, power-up, line-in */
 161                 TAS_REG_ACS, 0,
 162                 0, /* terminator */
 163         };
 164         DBG("(I) snapper init client\n");
 165         return send_init_client(i2c, regs);
 166 }
 167
 168 /*
 169  * gpio access
 170  */
 171 #define do_gpio_write(gp, val) \
 172         pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
 173 #define do_gpio_read(gp) \
 174         pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
 175 #define tumbler_gpio_free(gp) /* NOP */
 176
 177 static void write_audio_gpio(struct pmac_gpio *gp, int active)
 178 {
 179         if (! gp->addr)
 180                 return;
 181         active = active ? gp->active_val : gp->inactive_val;
 182         do_gpio_write(gp, active);
 183         DBG("(I) gpio %x write %d\n", gp->addr, active);
 184 }
 185
 186 static int check_audio_gpio(struct pmac_gpio *gp)
 187 {
 188         int ret;
 189
 190         if (! gp->addr)
 191                 return 0;
 192
 193         ret = do_gpio_read(gp);
 194
 195         return (ret & 0x1) == (gp->active_val & 0x1);
 196 }
 197
 198 static int read_audio_gpio(struct pmac_gpio *gp)
 199 {
 200         int ret;
 201         if (! gp->addr)
 202                 return 0;
 203         ret = do_gpio_read(gp);
 204         ret = (ret & 0x02) !=0;
 205         return ret == gp->active_state;
 206 }
 207
 208 /*
 209  * update master volume
 210  */
 211 static int tumbler_set_master_volume(struct pmac_tumbler *mix)
 212 {
 213         unsigned char block[6];
 214         unsigned int left_vol, right_vol;
 215
 216         if (! mix->i2c.client)
 217                 return -ENODEV;
 218
 219         if (! mix->master_switch[0])
 220                 left_vol = 0;
 221         else {
 222                 left_vol = mix->master_vol[0];
 223                 if (left_vol >= ARRAY_SIZE(master_volume_table))
 224                         left_vol = ARRAY_SIZE(master_volume_table) - 1;
 225                 left_vol = master_volume_table[left_vol];
 226         }
 227         if (! mix->master_switch[1])
 228                 right_vol = 0;
 229         else {
 230                 right_vol = mix->master_vol[1];
 231                 if (right_vol >= ARRAY_SIZE(master_volume_table))
 232                         right_vol = ARRAY_SIZE(master_volume_table) - 1;
 233                 right_vol = master_volume_table[right_vol];
 234         }
 235
 236         block[0] = (left_vol >> 16) & 0xff;
 237         block[1] = (left_vol >> 8)  & 0xff;
 238         block[2] = (left_vol >> 0)  & 0xff;
 239
 240         block[3] = (right_vol >> 16) & 0xff;
 241         block[4] = (right_vol >> 8)  & 0xff;
 242         block[5] = (right_vol >> 0)  & 0xff;
 243
 244         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
 245                                            block) < 0) {
 246                 snd_printk(KERN_ERR "failed to set volume \n");
 247                 return -EINVAL;
 248         }
 249         DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
 250         return 0;
 251 }
 252
 253
 254 /* output volume */
 255 static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
 256                                       struct snd_ctl_elem_info *uinfo)
 257 {
 258         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 259         uinfo->count = 2;
 260         uinfo->value.integer.min = 0;
 261         uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
 262         return 0;
 263 }
 264
 265 static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
 266                                      struct snd_ctl_elem_value *ucontrol)
 267 {
 268         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 269         struct pmac_tumbler *mix = chip->mixer_data;
 270
 271         ucontrol->value.integer.value[0] = mix->master_vol[0];
 272         ucontrol->value.integer.value[1] = mix->master_vol[1];
 273         return 0;
 274 }
 275
 276 static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
 277                                      struct snd_ctl_elem_value *ucontrol)
 278 {
 279         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 280         struct pmac_tumbler *mix = chip->mixer_data;
 281         unsigned int vol[2];
 282         int change;
 283
 284         vol[0] = ucontrol->value.integer.value[0];
 285         vol[1] = ucontrol->value.integer.value[1];
 286         if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
 287             vol[1] >= ARRAY_SIZE(master_volume_table))
 288                 return -EINVAL;
 289         change = mix->master_vol[0] != vol[0] ||
 290                 mix->master_vol[1] != vol[1];
 291         if (change) {
 292                 mix->master_vol[0] = vol[0];
 293                 mix->master_vol[1] = vol[1];
 294                 tumbler_set_master_volume(mix);
 295         }
 296         return change;
 297 }
 298
 299 /* output switch */
 300 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
 301                                      struct snd_ctl_elem_value *ucontrol)
 302 {
 303         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 304         struct pmac_tumbler *mix = chip->mixer_data;
 305
 306         ucontrol->value.integer.value[0] = mix->master_switch[0];
 307         ucontrol->value.integer.value[1] = mix->master_switch[1];
 308         return 0;
 309 }
 310
 311 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
 312                                      struct snd_ctl_elem_value *ucontrol)
 313 {
 314         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 315         struct pmac_tumbler *mix = chip->mixer_data;
 316         int change;
 317
 318         change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
 319                 mix->master_switch[1] != ucontrol->value.integer.value[1];
 320         if (change) {
 321                 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
 322                 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
 323                 tumbler_set_master_volume(mix);
 324         }
 325         return change;
 326 }
 327
 328
 329 /*
 330  * TAS3001c dynamic range compression
 331  */
 332
 333 #define TAS3001_DRC_MAX         0x5f
 334
 335 static int tumbler_set_drc(struct pmac_tumbler *mix)
 336 {
 337         unsigned char val[2];
 338
 339         if (! mix->i2c.client)
 340                 return -ENODEV;
 341
 342         if (mix->drc_enable) {
 343                 val[0] = 0xc1; /* enable, 3:1 compression */
 344                 if (mix->drc_range > TAS3001_DRC_MAX)
 345                         val[1] = 0xf0;
 346                 else if (mix->drc_range < 0)
 347                         val[1] = 0x91;
 348                 else
 349                         val[1] = mix->drc_range + 0x91;
 350         } else {
 351                 val[0] = 0;
 352                 val[1] = 0;
 353         }
 354
 355         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 356                                            2, val) < 0) {
 357                 snd_printk(KERN_ERR "failed to set DRC\n");
 358                 return -EINVAL;
 359         }
 360         DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
 361         return 0;
 362 }
 363
 364 /*
 365  * TAS3004
 366  */
 367
 368 #define TAS3004_DRC_MAX         0xef
 369
 370 static int snapper_set_drc(struct pmac_tumbler *mix)
 371 {
 372         unsigned char val[6];
 373
 374         if (! mix->i2c.client)
 375                 return -ENODEV;
 376
 377         if (mix->drc_enable)
 378                 val[0] = 0x50; /* 3:1 above threshold */
 379         else
 380                 val[0] = 0x51; /* disabled */
 381         val[1] = 0x02; /* 1:1 below threshold */
 382         if (mix->drc_range > 0xef)
 383                 val[2] = 0xef;
 384         else if (mix->drc_range < 0)
 385                 val[2] = 0x00;
 386         else
 387                 val[2] = mix->drc_range;
 388         val[3] = 0xb0;
 389         val[4] = 0x60;
 390         val[5] = 0xa0;
 391
 392         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 393                                            6, val) < 0) {
 394                 snd_printk(KERN_ERR "failed to set DRC\n");
 395                 return -EINVAL;
 396         }
 397         DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
 398         return 0;
 399 }
 400
 401 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
 402                                   struct snd_ctl_elem_info *uinfo)
 403 {
 404         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 405         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 406         uinfo->count = 1;
 407         uinfo->value.integer.min = 0;
 408         uinfo->value.integer.max =
 409                 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
 410         return 0;
 411 }
 412
 413 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
 414                                  struct snd_ctl_elem_value *ucontrol)
 415 {
 416         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 417         struct pmac_tumbler *mix;
 418         if (! (mix = chip->mixer_data))
 419                 return -ENODEV;
 420         ucontrol->value.integer.value[0] = mix->drc_range;
 421         return 0;
 422 }
 423
 424 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
 425                                  struct snd_ctl_elem_value *ucontrol)
 426 {
 427         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 428         struct pmac_tumbler *mix;
 429         unsigned int val;
 430         int change;
 431
 432         if (! (mix = chip->mixer_data))
 433                 return -ENODEV;
 434         val = ucontrol->value.integer.value[0];
 435         if (chip->model == PMAC_TUMBLER) {
 436                 if (val > TAS3001_DRC_MAX)
 437                         return -EINVAL;
 438         } else {
 439                 if (val > TAS3004_DRC_MAX)
 440                         return -EINVAL;
 441         }
 442         change = mix->drc_range != val;
 443         if (change) {
 444                 mix->drc_range = val;
 445                 if (chip->model == PMAC_TUMBLER)
 446                         tumbler_set_drc(mix);
 447                 else
 448                         snapper_set_drc(mix);
 449         }
 450         return change;
 451 }
 452
 453 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
 454                                   struct snd_ctl_elem_value *ucontrol)
 455 {
 456         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 457         struct pmac_tumbler *mix;
 458         if (! (mix = chip->mixer_data))
 459                 return -ENODEV;
 460         ucontrol->value.integer.value[0] = mix->drc_enable;
 461         return 0;
 462 }
 463
 464 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
 465                                   struct snd_ctl_elem_value *ucontrol)
 466 {
 467         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 468         struct pmac_tumbler *mix;
 469         int change;
 470
 471         if (! (mix = chip->mixer_data))
 472                 return -ENODEV;
 473         change = mix->drc_enable != ucontrol->value.integer.value[0];
 474         if (change) {
 475                 mix->drc_enable = !!ucontrol->value.integer.value[0];
 476                 if (chip->model == PMAC_TUMBLER)
 477                         tumbler_set_drc(mix);
 478                 else
 479                         snapper_set_drc(mix);
 480         }
 481         return change;
 482 }
 483
 484
 485 /*
 486  * mono volumes
 487  */
 488
 489 struct tumbler_mono_vol {
 490         int index;
 491         int reg;
 492         int bytes;
 493         unsigned int max;
 494         unsigned int *table;
 495 };
 496
 497 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
 498                                    struct tumbler_mono_vol *info)
 499 {
 500         unsigned char block[4];
 501         unsigned int vol;
 502         int i;
 503
 504         if (! mix->i2c.client)
 505                 return -ENODEV;
 506
 507         vol = mix->mono_vol[info->index];
 508         if (vol >= info->max)
 509                 vol = info->max - 1;
 510         vol = info->table[vol];
 511         for (i = 0; i < info->bytes; i++)
 512                 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
 513         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
 514                                            info->bytes, block) < 0) {
 515                 snd_printk(KERN_ERR "failed to set mono volume %d\n",
 516                            info->index);
 517                 return -EINVAL;
 518         }
 519         return 0;
 520 }
 521
 522 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
 523                              struct snd_ctl_elem_info *uinfo)
 524 {
 525         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 526
 527         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 528         uinfo->count = 1;
 529         uinfo->value.integer.min = 0;
 530         uinfo->value.integer.max = info->max - 1;
 531         return 0;
 532 }
 533
 534 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
 535                             struct snd_ctl_elem_value *ucontrol)
 536 {
 537         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 538         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 539         struct pmac_tumbler *mix;
 540         if (! (mix = chip->mixer_data))
 541                 return -ENODEV;
 542         ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
 543         return 0;
 544 }
 545
 546 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
 547                             struct snd_ctl_elem_value *ucontrol)
 548 {
 549         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 550         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 551         struct pmac_tumbler *mix;
 552         unsigned int vol;
 553         int change;
 554
 555         if (! (mix = chip->mixer_data))
 556                 return -ENODEV;
 557         vol = ucontrol->value.integer.value[0];
 558         if (vol >= info->max)
 559                 return -EINVAL;
 560         change = mix->mono_vol[info->index] != vol;
 561         if (change) {
 562                 mix->mono_vol[info->index] = vol;
 563                 tumbler_set_mono_volume(mix, info);
 564         }
 565         return change;
 566 }
 567
 568 /* TAS3001c mono volumes */
 569 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
 570         .index = VOL_IDX_PCM_MONO,
 571         .reg = TAS_REG_PCM,
 572         .bytes = 3,
 573         .max = ARRAY_SIZE(mixer_volume_table),
 574         .table = mixer_volume_table,
 575 };
 576
 577 static struct tumbler_mono_vol tumbler_bass_vol_info = {
 578         .index = VOL_IDX_BASS,
 579         .reg = TAS_REG_BASS,
 580         .bytes = 1,
 581         .max = ARRAY_SIZE(bass_volume_table),
 582         .table = bass_volume_table,
 583 };
 584
 585 static struct tumbler_mono_vol tumbler_treble_vol_info = {
 586         .index = VOL_IDX_TREBLE,
 587         .reg = TAS_REG_TREBLE,
 588         .bytes = 1,
 589         .max = ARRAY_SIZE(treble_volume_table),
 590         .table = treble_volume_table,
 591 };
 592
 593 /* TAS3004 mono volumes */
 594 static struct tumbler_mono_vol snapper_bass_vol_info = {
 595         .index = VOL_IDX_BASS,
 596         .reg = TAS_REG_BASS,
 597         .bytes = 1,
 598         .max = ARRAY_SIZE(snapper_bass_volume_table),
 599         .table = snapper_bass_volume_table,
 600 };
 601
 602 static struct tumbler_mono_vol snapper_treble_vol_info = {
 603         .index = VOL_IDX_TREBLE,
 604         .reg = TAS_REG_TREBLE,
 605         .bytes = 1,
 606         .max = ARRAY_SIZE(snapper_treble_volume_table),
 607         .table = snapper_treble_volume_table,
 608 };
 609
 610
 611 #define DEFINE_MONO(xname,type) { \
 612         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 613         .name = xname, \
 614         .info = tumbler_info_mono, \
 615         .get = tumbler_get_mono, \
 616         .put = tumbler_put_mono, \
 617         .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
 618 }
 619
 620 #define DEFINE_SNAPPER_MONO(xname,type) { \
 621         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 622         .name = xname, \
 623         .info = tumbler_info_mono, \
 624         .get = tumbler_get_mono, \
 625         .put = tumbler_put_mono, \
 626         .private_value = (unsigned long)(&snapper_##type##_vol_info), \
 627 }
 628
 629
 630 /*
 631  * snapper mixer volumes
 632  */
 633
 634 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
 635 {
 636         int i, j, vol;
 637         unsigned char block[9];
 638
 639         vol = mix->mix_vol[idx][ch];
 640         if (vol >= ARRAY_SIZE(mixer_volume_table)) {
 641                 vol = ARRAY_SIZE(mixer_volume_table) - 1;
 642                 mix->mix_vol[idx][ch] = vol;
 643         }
 644
 645         for (i = 0; i < 3; i++) {
 646                 vol = mix->mix_vol[i][ch];
 647                 vol = mixer_volume_table[vol];
 648                 for (j = 0; j < 3; j++)
 649                         block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
 650         }
 651         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
 652                                            9, block) < 0) {
 653                 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
 654                 return -EINVAL;
 655         }
 656         return 0;
 657 }
 658
 659 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
 660 {
 661         if (! mix->i2c.client)
 662                 return -ENODEV;
 663         if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
 664             snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
 665                 return -EINVAL;
 666         return 0;
 667 }
 668
 669 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
 670                             struct snd_ctl_elem_info *uinfo)
 671 {
 672         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 673         uinfo->count = 2;
 674         uinfo->value.integer.min = 0;
 675         uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
 676         return 0;
 677 }
 678
 679 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
 680                            struct snd_ctl_elem_value *ucontrol)
 681 {
 682         int idx = (int)kcontrol->private_value;
 683         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 684         struct pmac_tumbler *mix;
 685         if (! (mix = chip->mixer_data))
 686                 return -ENODEV;
 687         ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
 688         ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
 689         return 0;
 690 }
 691
 692 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
 693                            struct snd_ctl_elem_value *ucontrol)
 694 {
 695         int idx = (int)kcontrol->private_value;
 696         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 697         struct pmac_tumbler *mix;
 698         unsigned int vol[2];
 699         int change;
 700
 701         if (! (mix = chip->mixer_data))
 702                 return -ENODEV;
 703         vol[0] = ucontrol->value.integer.value[0];
 704         vol[1] = ucontrol->value.integer.value[1];
 705         if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
 706             vol[1] >= ARRAY_SIZE(mixer_volume_table))
 707                 return -EINVAL;
 708         change = mix->mix_vol[idx][0] != vol[0] ||
 709                 mix->mix_vol[idx][1] != vol[1];
 710         if (change) {
 711                 mix->mix_vol[idx][0] = vol[0];
 712                 mix->mix_vol[idx][1] = vol[1];
 713                 snapper_set_mix_vol(mix, idx);
 714         }
 715         return change;
 716 }
 717
 718
 719 /*
 720  * mute switches. FIXME: Turn that into software mute when both outputs are muted
 721  * to avoid codec reset on ibook M7
 722  */
 723
 724 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
 725
 726 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
 727                                    struct snd_ctl_elem_value *ucontrol)
 728 {
 729         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 730         struct pmac_tumbler *mix;
 731         struct pmac_gpio *gp;
 732         if (! (mix = chip->mixer_data))
 733                 return -ENODEV;
 734         switch(kcontrol->private_value) {
 735         case TUMBLER_MUTE_HP:
 736                 gp = &mix->hp_mute;     break;
 737         case TUMBLER_MUTE_AMP:
 738                 gp = &mix->amp_mute;    break;
 739         case TUMBLER_MUTE_LINE:
 740                 gp = &mix->line_mute;   break;
 741         default:
 742                 gp = NULL;
 743         }
 744         if (gp == NULL)
 745                 return -EINVAL;
 746         ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
 747         return 0;
 748 }
 749
 750 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
 751                                    struct snd_ctl_elem_value *ucontrol)
 752 {
 753         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 754         struct pmac_tumbler *mix;
 755         struct pmac_gpio *gp;
 756         int val;
 757 #ifdef PMAC_SUPPORT_AUTOMUTE
 758         if (chip->update_automute && chip->auto_mute)
 759                 return 0; /* don't touch in the auto-mute mode */
 760 #endif
 761         if (! (mix = chip->mixer_data))
 762                 return -ENODEV;
 763         switch(kcontrol->private_value) {
 764         case TUMBLER_MUTE_HP:
 765                 gp = &mix->hp_mute;     break;
 766         case TUMBLER_MUTE_AMP:
 767                 gp = &mix->amp_mute;    break;
 768         case TUMBLER_MUTE_LINE:
 769                 gp = &mix->line_mute;   break;
 770         default:
 771                 gp = NULL;
 772         }
 773         if (gp == NULL)
 774                 return -EINVAL;
 775         val = ! check_audio_gpio(gp);
 776         if (val != ucontrol->value.integer.value[0]) {
 777                 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
 778                 return 1;
 779         }
 780         return 0;
 781 }
 782
 783 static int snapper_set_capture_source(struct pmac_tumbler *mix)
 784 {
 785         if (! mix->i2c.client)
 786                 return -ENODEV;
 787         if (mix->capture_source)
 788                 mix->acs |= 2;
 789         else
 790                 mix->acs &= ~2;
 791         return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
 792 }
 793
 794 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
 795                                        struct snd_ctl_elem_info *uinfo)
 796 {
 797         static char *texts[2] = {
 798                 "Line", "Mic"
 799         };
 800         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 801         uinfo->count = 1;
 802         uinfo->value.enumerated.items = 2;
 803         if (uinfo->value.enumerated.item > 1)
 804                 uinfo->value.enumerated.item = 1;
 805         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 806         return 0;
 807 }
 808
 809 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
 810                                       struct snd_ctl_elem_value *ucontrol)
 811 {
 812         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 813         struct pmac_tumbler *mix = chip->mixer_data;
 814
 815         ucontrol->value.enumerated.item[0] = mix->capture_source;
 816         return 0;
 817 }
 818
 819 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
 820                                       struct snd_ctl_elem_value *ucontrol)
 821 {
 822         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 823         struct pmac_tumbler *mix = chip->mixer_data;
 824         int change;
 825
 826         change = ucontrol->value.enumerated.item[0] != mix->capture_source;
 827         if (change) {
 828                 mix->capture_source = !!ucontrol->value.enumerated.item[0];
 829                 snapper_set_capture_source(mix);
 830         }
 831         return change;
 832 }
 833
 834 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
 835         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 836         .name = xname, \
 837         .info = snapper_info_mix, \
 838         .get = snapper_get_mix, \
 839         .put = snapper_put_mix, \
 840         .index = idx,\
 841         .private_value = ofs, \
 842 }
 843
 844
 845 /*
 846  */
 847 static struct snd_kcontrol_new tumbler_mixers[] = {
 848         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 849           .name = "Master Playback Volume",
 850           .info = tumbler_info_master_volume,
 851           .get = tumbler_get_master_volume,
 852           .put = tumbler_put_master_volume
 853         },
 854         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 855           .name = "Master Playback Switch",
 856           .info = snd_pmac_boolean_stereo_info,
 857           .get = tumbler_get_master_switch,
 858           .put = tumbler_put_master_switch
 859         },
 860         DEFINE_MONO("Tone Control - Bass", bass),
 861         DEFINE_MONO("Tone Control - Treble", treble),
 862         DEFINE_MONO("PCM Playback Volume", pcm),
 863         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 864           .name = "DRC Range",
 865           .info = tumbler_info_drc_value,
 866           .get = tumbler_get_drc_value,
 867           .put = tumbler_put_drc_value
 868         },
 869 };
 870
 871 static struct snd_kcontrol_new snapper_mixers[] = {
 872         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 873           .name = "Master Playback Volume",
 874           .info = tumbler_info_master_volume,
 875           .get = tumbler_get_master_volume,
 876           .put = tumbler_put_master_volume
 877         },
 878         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 879           .name = "Master Playback Switch",
 880           .info = snd_pmac_boolean_stereo_info,
 881           .get = tumbler_get_master_switch,
 882           .put = tumbler_put_master_switch
 883         },
 884         DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
 885         /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
 886         DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
 887         DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 888         DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 889         DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
 890         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 891           .name = "DRC Range",
 892           .info = tumbler_info_drc_value,
 893           .get = tumbler_get_drc_value,
 894           .put = tumbler_put_drc_value
 895         },
 896         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 897           .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
 898           .info = snapper_info_capture_source,
 899           .get = snapper_get_capture_source,
 900           .put = snapper_put_capture_source
 901         },
 902 };
 903
 904 static struct snd_kcontrol_new tumbler_hp_sw = {
 905         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 906         .name = "Headphone Playback Switch",
 907         .info = snd_pmac_boolean_mono_info,
 908         .get = tumbler_get_mute_switch,
 909         .put = tumbler_put_mute_switch,
 910         .private_value = TUMBLER_MUTE_HP,
 911 };
 912 static struct snd_kcontrol_new tumbler_speaker_sw = {
 913         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 914         .name = "Speaker Playback Switch",
 915         .info = snd_pmac_boolean_mono_info,
 916         .get = tumbler_get_mute_switch,
 917         .put = tumbler_put_mute_switch,
 918         .private_value = TUMBLER_MUTE_AMP,
 919 };
 920 static struct snd_kcontrol_new tumbler_lineout_sw = {
 921         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 922         .name = "Line Out Playback Switch",
 923         .info = snd_pmac_boolean_mono_info,
 924         .get = tumbler_get_mute_switch,
 925         .put = tumbler_put_mute_switch,
 926         .private_value = TUMBLER_MUTE_LINE,
 927 };
 928 static struct snd_kcontrol_new tumbler_drc_sw = {
 929         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 930         .name = "DRC Switch",
 931         .info = snd_pmac_boolean_mono_info,
 932         .get = tumbler_get_drc_switch,
 933         .put = tumbler_put_drc_switch
 934 };
 935
 936
 937 #ifdef PMAC_SUPPORT_AUTOMUTE
 938 /*
 939  * auto-mute stuffs
 940  */
 941 static int tumbler_detect_headphone(struct snd_pmac *chip)
 942 {
 943         struct pmac_tumbler *mix = chip->mixer_data;
 944         int detect = 0;
 945
 946         if (mix->hp_detect.addr)
 947                 detect |= read_audio_gpio(&mix->hp_detect);
 948         return detect;
 949 }
 950
 951 static int tumbler_detect_lineout(struct snd_pmac *chip)
 952 {
 953         struct pmac_tumbler *mix = chip->mixer_data;
 954         int detect = 0;
 955
 956         if (mix->line_detect.addr)
 957                 detect |= read_audio_gpio(&mix->line_detect);
 958         return detect;
 959 }
 960
 961 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
 962                        struct snd_kcontrol *sw)
 963 {
 964         if (check_audio_gpio(gp) != val) {
 965                 write_audio_gpio(gp, val);
 966                 if (do_notify)
 967                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 968                                        &sw->id);
 969         }
 970 }
 971
 972 static struct work_struct device_change;
 973 static struct snd_pmac *device_change_chip;
 974
 975 static void device_change_handler(struct work_struct *work)
 976 {
 977         struct snd_pmac *chip = device_change_chip;
 978         struct pmac_tumbler *mix;
 979         int headphone, lineout;
 980
 981         if (!chip)
 982                 return;
 983
 984         mix = chip->mixer_data;
 985         if (snd_BUG_ON(!mix))
 986                 return;
 987
 988         headphone = tumbler_detect_headphone(chip);
 989         lineout = tumbler_detect_lineout(chip);
 990
 991         DBG("headphone: %d, lineout: %d\n", headphone, lineout);
 992
 993         if (headphone || lineout) {
 994                 /* unmute headphone/lineout & mute speaker */
 995                 if (headphone)
 996                         check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
 997                                    chip->master_sw_ctl);
 998                 if (lineout && mix->line_mute.addr != 0)
 999                         check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
1000                                    chip->lineout_sw_ctl);
1001                 if (mix->anded_reset)
1002                         msleep(10);
1003                 check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
1004                            chip->speaker_sw_ctl);
1005         } else {
1006                 /* unmute speaker, mute others */
1007                 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1008                            chip->speaker_sw_ctl);
1009                 if (mix->anded_reset)
1010                         msleep(10);
1011                 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1012                            chip->master_sw_ctl);
1013                 if (mix->line_mute.addr != 0)
1014                         check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1015                                    chip->lineout_sw_ctl);
1016         }
1017         if (mix->auto_mute_notify)
1018                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1019                                        &chip->hp_detect_ctl->id);
1020
1021 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1022         mix->drc_enable = ! (headphone || lineout);
1023         if (mix->auto_mute_notify)
1024                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1025                                &chip->drc_sw_ctl->id);
1026         if (chip->model == PMAC_TUMBLER)
1027                 tumbler_set_drc(mix);
1028         else
1029                 snapper_set_drc(mix);
1030 #endif
1031
1032         /* reset the master volume so the correct amplification is applied */
1033         tumbler_set_master_volume(mix);
1034 }
1035
1036 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1037 {
1038         if (chip->auto_mute) {
1039                 struct pmac_tumbler *mix;
1040                 mix = chip->mixer_data;
1041                 if (snd_BUG_ON(!mix))
1042                         return;
1043                 mix->auto_mute_notify = do_notify;
1044                 schedule_work(&device_change);
1045         }
1046 }
1047 #endif /* PMAC_SUPPORT_AUTOMUTE */
1048
1049
1050 /* interrupt - headphone plug changed */
1051 static irqreturn_t headphone_intr(int irq, void *devid)
1052 {
1053         struct snd_pmac *chip = devid;
1054         if (chip->update_automute && chip->initialized) {
1055                 chip->update_automute(chip, 1);
1056                 return IRQ_HANDLED;
1057         }
1058         return IRQ_NONE;
1059 }
1060
1061 /* look for audio-gpio device */
1062 static struct device_node *find_audio_device(const char *name)
1063 {
1064         struct device_node *gpiop;
1065         struct device_node *np;
1066
1067         gpiop = of_find_node_by_name(NULL, "gpio");
1068         if (! gpiop)
1069                 return NULL;
1070
1071         for (np = of_get_next_child(gpiop, NULL); np;
1072                         np = of_get_next_child(gpiop, np)) {
1073                 const char *property = of_get_property(np, "audio-gpio", NULL);
1074                 if (property && strcmp(property, name) == 0)
1075                         break;
1076         }
1077         of_node_put(gpiop);
1078         return np;
1079 }
1080
1081 /* look for audio-gpio device */
1082 static struct device_node *find_compatible_audio_device(const char *name)
1083 {
1084         struct device_node *gpiop;
1085         struct device_node *np;
1086
1087         gpiop = of_find_node_by_name(NULL, "gpio");
1088         if (!gpiop)
1089                 return NULL;
1090
1091         for (np = of_get_next_child(gpiop, NULL); np;
1092                         np = of_get_next_child(gpiop, np)) {
1093                 if (of_device_is_compatible(np, name))
1094                         break;
1095         }
1096         of_node_put(gpiop);
1097         return np;
1098 }
1099
1100 /* find an audio device and get its address */
1101 static long tumbler_find_device(const char *device, const char *platform,
1102                                 struct pmac_gpio *gp, int is_compatible)
1103 {
1104         struct device_node *node;
1105         const u32 *base;
1106         u32 addr;
1107         long ret;
1108
1109         if (is_compatible)
1110                 node = find_compatible_audio_device(device);
1111         else
1112                 node = find_audio_device(device);
1113         if (! node) {
1114                 DBG("(W) cannot find audio device %s !\n", device);
1115                 snd_printdd("cannot find device %s\n", device);
1116                 return -ENODEV;
1117         }
1118
1119         base = of_get_property(node, "AAPL,address", NULL);
1120         if (! base) {
1121                 base = of_get_property(node, "reg", NULL);
1122                 if (!base) {
1123                         DBG("(E) cannot find address for device %s !\n", device);
1124                         snd_printd("cannot find address for device %s\n", device);
1125                         of_node_put(node);
1126                         return -ENODEV;
1127                 }
1128                 addr = *base;
1129                 if (addr < 0x50)
1130                         addr += 0x50;
1131         } else
1132                 addr = *base;
1133
1134         gp->addr = addr & 0x0000ffff;
1135         /* Try to find the active state, default to 0 ! */
1136         base = of_get_property(node, "audio-gpio-active-state", NULL);
1137         if (base) {
1138                 gp->active_state = *base;
1139                 gp->active_val = (*base) ? 0x5 : 0x4;
1140                 gp->inactive_val = (*base) ? 0x4 : 0x5;
1141         } else {
1142                 const u32 *prop = NULL;
1143                 gp->active_state = IS_G4DA
1144                                 && !strncmp(device, "keywest-gpio1", 13);
1145                 gp->active_val = 0x4;
1146                 gp->inactive_val = 0x5;
1147                 /* Here are some crude hacks to extract the GPIO polarity and
1148                  * open collector informations out of the do-platform script
1149                  * as we don't yet have an interpreter for these things
1150                  */
1151                 if (platform)
1152                         prop = of_get_property(node, platform, NULL);
1153                 if (prop) {
1154                         if (prop[3] == 0x9 && prop[4] == 0x9) {
1155                                 gp->active_val = 0xd;
1156                                 gp->inactive_val = 0xc;
1157                         }
1158                         if (prop[3] == 0x1 && prop[4] == 0x1) {
1159                                 gp->active_val = 0x5;
1160                                 gp->inactive_val = 0x4;
1161                         }
1162                 }
1163         }
1164
1165         DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1166             device, gp->addr, gp->active_state);
1167
1168         ret = irq_of_parse_and_map(node, 0);
1169         of_node_put(node);
1170         return ret;
1171 }
1172
1173 /* reset audio */
1174 static void tumbler_reset_audio(struct snd_pmac *chip)
1175 {
1176         struct pmac_tumbler *mix = chip->mixer_data;
1177
1178         if (mix->anded_reset) {
1179                 DBG("(I) codec anded reset !\n");
1180                 write_audio_gpio(&mix->hp_mute, 0);
1181                 write_audio_gpio(&mix->amp_mute, 0);
1182                 msleep(200);
1183                 write_audio_gpio(&mix->hp_mute, 1);
1184                 write_audio_gpio(&mix->amp_mute, 1);
1185                 msleep(100);
1186                 write_audio_gpio(&mix->hp_mute, 0);
1187                 write_audio_gpio(&mix->amp_mute, 0);
1188                 msleep(100);
1189         } else {
1190                 DBG("(I) codec normal reset !\n");
1191
1192                 write_audio_gpio(&mix->audio_reset, 0);
1193                 msleep(200);
1194                 write_audio_gpio(&mix->audio_reset, 1);
1195                 msleep(100);
1196                 write_audio_gpio(&mix->audio_reset, 0);
1197                 msleep(100);
1198         }
1199 }
1200
1201 #ifdef CONFIG_PM
1202 /* suspend mixer */
1203 static void tumbler_suspend(struct snd_pmac *chip)
1204 {
1205         struct pmac_tumbler *mix = chip->mixer_data;
1206
1207         if (mix->headphone_irq >= 0)
1208                 disable_irq(mix->headphone_irq);
1209         if (mix->lineout_irq >= 0)
1210                 disable_irq(mix->lineout_irq);
1211         mix->save_master_switch[0] = mix->master_switch[0];
1212         mix->save_master_switch[1] = mix->master_switch[1];
1213         mix->save_master_vol[0] = mix->master_vol[0];
1214         mix->save_master_vol[1] = mix->master_vol[1];
1215         mix->master_switch[0] = mix->master_switch[1] = 0;
1216         tumbler_set_master_volume(mix);
1217         if (!mix->anded_reset) {
1218                 write_audio_gpio(&mix->amp_mute, 1);
1219                 write_audio_gpio(&mix->hp_mute, 1);
1220         }
1221         if (chip->model == PMAC_SNAPPER) {
1222                 mix->acs |= 1;
1223                 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1224         }
1225         if (mix->anded_reset) {
1226                 write_audio_gpio(&mix->amp_mute, 1);
1227                 write_audio_gpio(&mix->hp_mute, 1);
1228         } else
1229                 write_audio_gpio(&mix->audio_reset, 1);
1230 }
1231
1232 /* resume mixer */
1233 static void tumbler_resume(struct snd_pmac *chip)
1234 {
1235         struct pmac_tumbler *mix = chip->mixer_data;
1236
1237         mix->acs &= ~1;
1238         mix->master_switch[0] = mix->save_master_switch[0];
1239         mix->master_switch[1] = mix->save_master_switch[1];
1240         mix->master_vol[0] = mix->save_master_vol[0];
1241         mix->master_vol[1] = mix->save_master_vol[1];
1242         tumbler_reset_audio(chip);
1243         if (mix->i2c.client && mix->i2c.init_client) {
1244                 if (mix->i2c.init_client(&mix->i2c) < 0)
1245                         printk(KERN_ERR "tumbler_init_client error\n");
1246         } else
1247                 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1248         if (chip->model == PMAC_TUMBLER) {
1249                 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1250                 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1251                 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1252                 tumbler_set_drc(mix);
1253         } else {
1254                 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1255                 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1256                 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1257                 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1258                 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1259                 snapper_set_drc(mix);
1260                 snapper_set_capture_source(mix);
1261         }
1262         tumbler_set_master_volume(mix);
1263         if (chip->update_automute)
1264                 chip->update_automute(chip, 0);
1265         if (mix->headphone_irq >= 0) {
1266                 unsigned char val;
1267
1268                 enable_irq(mix->headphone_irq);
1269                 /* activate headphone status interrupts */
1270                 val = do_gpio_read(&mix->hp_detect);
1271                 do_gpio_write(&mix->hp_detect, val | 0x80);
1272         }
1273         if (mix->lineout_irq >= 0)
1274                 enable_irq(mix->lineout_irq);
1275 }
1276 #endif
1277
1278 /* initialize tumbler */
1279 static int tumbler_init(struct snd_pmac *chip)
1280 {
1281         int irq;
1282         struct pmac_tumbler *mix = chip->mixer_data;
1283
1284         if (tumbler_find_device("audio-hw-reset",
1285                                 "platform-do-hw-reset",
1286                                 &mix->audio_reset, 0) < 0)
1287                 tumbler_find_device("hw-reset",
1288                                     "platform-do-hw-reset",
1289                                     &mix->audio_reset, 1);
1290         if (tumbler_find_device("amp-mute",
1291                                 "platform-do-amp-mute",
1292                                 &mix->amp_mute, 0) < 0)
1293                 tumbler_find_device("amp-mute",
1294                                     "platform-do-amp-mute",
1295                                     &mix->amp_mute, 1);
1296         if (tumbler_find_device("headphone-mute",
1297                                 "platform-do-headphone-mute",
1298                                 &mix->hp_mute, 0) < 0)
1299                 tumbler_find_device("headphone-mute",
1300                                     "platform-do-headphone-mute",
1301                                     &mix->hp_mute, 1);
1302         if (tumbler_find_device("line-output-mute",
1303                                 "platform-do-lineout-mute",
1304                                 &mix->line_mute, 0) < 0)
1305                 tumbler_find_device("line-output-mute",
1306                                    "platform-do-lineout-mute",
1307                                     &mix->line_mute, 1);
1308         irq = tumbler_find_device("headphone-detect",
1309                                   NULL, &mix->hp_detect, 0);
1310         if (irq <= NO_IRQ)
1311                 irq = tumbler_find_device("headphone-detect",
1312                                           NULL, &mix->hp_detect, 1);
1313         if (irq <= NO_IRQ)
1314                 irq = tumbler_find_device("keywest-gpio15",
1315                                           NULL, &mix->hp_detect, 1);
1316         mix->headphone_irq = irq;
1317         irq = tumbler_find_device("line-output-detect",
1318                                   NULL, &mix->line_detect, 0);
1319         if (irq <= NO_IRQ)
1320                 irq = tumbler_find_device("line-output-detect",
1321                                           NULL, &mix->line_detect, 1);
1322         if (IS_G4DA && irq <= NO_IRQ)
1323                 irq = tumbler_find_device("keywest-gpio16",
1324                                           NULL, &mix->line_detect, 1);
1325         mix->lineout_irq = irq;
1326
1327         tumbler_reset_audio(chip);
1328
1329         return 0;
1330 }
1331
1332 static void tumbler_cleanup(struct snd_pmac *chip)
1333 {
1334         struct pmac_tumbler *mix = chip->mixer_data;
1335         if (! mix)
1336                 return;
1337
1338         if (mix->headphone_irq >= 0)
1339                 free_irq(mix->headphone_irq, chip);
1340         if (mix->lineout_irq >= 0)
1341                 free_irq(mix->lineout_irq, chip);
1342         tumbler_gpio_free(&mix->audio_reset);
1343         tumbler_gpio_free(&mix->amp_mute);
1344         tumbler_gpio_free(&mix->hp_mute);
1345         tumbler_gpio_free(&mix->hp_detect);
1346         snd_pmac_keywest_cleanup(&mix->i2c);
1347         kfree(mix);
1348         chip->mixer_data = NULL;
1349 }
1350
1351 /* exported */
1352 int snd_pmac_tumbler_init(struct snd_pmac *chip)
1353 {
1354         int i, err;
1355         struct pmac_tumbler *mix;
1356         const u32 *paddr;
1357         struct device_node *tas_node, *np;
1358         char *chipname;
1359
1360         request_module("i2c-powermac");
1361
1362         mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1363         if (! mix)
1364                 return -ENOMEM;
1365         mix->headphone_irq = -1;
1366
1367         chip->mixer_data = mix;
1368         chip->mixer_free = tumbler_cleanup;
1369         mix->anded_reset = 0;
1370         mix->reset_on_sleep = 1;
1371
1372         for (np = chip->node->child; np; np = np->sibling) {
1373                 if (!strcmp(np->name, "sound")) {
1374                         if (of_get_property(np, "has-anded-reset", NULL))
1375                                 mix->anded_reset = 1;
1376                         if (of_get_property(np, "layout-id", NULL))
1377                                 mix->reset_on_sleep = 0;
1378                         break;
1379                 }
1380         }
1381         if ((err = tumbler_init(chip)) < 0)
1382                 return err;
1383
1384         /* set up TAS */
1385         tas_node = of_find_node_by_name(NULL, "deq");
1386         if (tas_node == NULL)
1387                 tas_node = of_find_node_by_name(NULL, "codec");
1388         if (tas_node == NULL)
1389                 return -ENODEV;
1390
1391         paddr = of_get_property(tas_node, "i2c-address", NULL);
1392         if (paddr == NULL)
1393                 paddr = of_get_property(tas_node, "reg", NULL);
1394         if (paddr)
1395                 mix->i2c.addr = (*paddr) >> 1;
1396         else
1397                 mix->i2c.addr = TAS_I2C_ADDR;
1398         of_node_put(tas_node);
1399
1400         DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1401
1402         if (chip->model == PMAC_TUMBLER) {
1403                 mix->i2c.init_client = tumbler_init_client;
1404                 mix->i2c.name = "TAS3001c";
1405                 chipname = "Tumbler";
1406         } else {
1407                 mix->i2c.init_client = snapper_init_client;
1408                 mix->i2c.name = "TAS3004";
1409                 chipname = "Snapper";
1410         }
1411
1412         if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1413                 return err;
1414
1415         /*
1416          * build mixers
1417          */
1418         sprintf(chip->card->mixername, "PowerMac %s", chipname);
1419
1420         if (chip->model == PMAC_TUMBLER) {
1421                 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1422                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1423                                 return err;
1424                 }
1425         } else {
1426                 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1427                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1428                                 return err;
1429                 }
1430         }
1431         chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1432         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1433                 return err;
1434         chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1435         if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1436                 return err;
1437         if (mix->line_mute.addr != 0) {
1438                 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1439                 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1440                         return err;
1441         }
1442         chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1443         if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1444                 return err;
1445
1446         /* set initial DRC range to 60% */
1447         if (chip->model == PMAC_TUMBLER)
1448                 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1449         else
1450                 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1451         mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1452         if (chip->model == PMAC_TUMBLER)
1453                 tumbler_set_drc(mix);
1454         else
1455                 snapper_set_drc(mix);
1456
1457 #ifdef CONFIG_PM
1458         chip->suspend = tumbler_suspend;
1459         chip->resume = tumbler_resume;
1460 #endif
1461
1462         INIT_WORK(&device_change, device_change_handler);
1463         device_change_chip = chip;
1464
1465 #ifdef PMAC_SUPPORT_AUTOMUTE
1466         if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1467             && (err = snd_pmac_add_automute(chip)) < 0)
1468                 return err;
1469         chip->detect_headphone = tumbler_detect_headphone;
1470         chip->update_automute = tumbler_update_automute;
1471         tumbler_update_automute(chip, 0); /* update the status only */
1472
1473         /* activate headphone status interrupts */
1474         if (mix->headphone_irq >= 0) {
1475                 unsigned char val;
1476                 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1477                                        "Sound Headphone Detection", chip)) < 0)
1478                         return 0;
1479                 /* activate headphone status interrupts */
1480                 val = do_gpio_read(&mix->hp_detect);
1481                 do_gpio_write(&mix->hp_detect, val | 0x80);
1482         }
1483         if (mix->lineout_irq >= 0) {
1484                 unsigned char val;
1485                 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1486                                        "Sound Lineout Detection", chip)) < 0)
1487                         return 0;
1488                 /* activate headphone status interrupts */
1489                 val = do_gpio_read(&mix->line_detect);
1490                 do_gpio_write(&mix->line_detect, val | 0x80);
1491         }
1492 #endif
1493
1494         return 0;
1495 }