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