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 <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(KERN_DEBUG 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(KERN_ERR "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(KERN_ERR "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(KERN_ERR "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(KERN_ERR "failed to set mono volume %d\n",
 510                            info->index);
 511                 return -EINVAL;
 512         }
 513         return 0;
 514 }
 515
 516 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
 517                              struct snd_ctl_elem_info *uinfo)
 518 {
 519         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 520
 521         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 522         uinfo->count = 1;
 523         uinfo->value.integer.min = 0;
 524         uinfo->value.integer.max = info->max - 1;
 525         return 0;
 526 }
 527
 528 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
 529                             struct snd_ctl_elem_value *ucontrol)
 530 {
 531         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 532         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 533         struct pmac_tumbler *mix;
 534         if (! (mix = chip->mixer_data))
 535                 return -ENODEV;
 536         ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
 537         return 0;
 538 }
 539
 540 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
 541                             struct snd_ctl_elem_value *ucontrol)
 542 {
 543         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 544         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 545         struct pmac_tumbler *mix;
 546         unsigned int vol;
 547         int change;
 548
 549         if (! (mix = chip->mixer_data))
 550                 return -ENODEV;
 551         vol = ucontrol->value.integer.value[0];
 552         if (vol >= info->max)
 553                 return -EINVAL;
 554         change = mix->mono_vol[info->index] != vol;
 555         if (change) {
 556                 mix->mono_vol[info->index] = vol;
 557                 tumbler_set_mono_volume(mix, info);
 558         }
 559         return change;
 560 }
 561
 562 /* TAS3001c mono volumes */
 563 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
 564         .index = VOL_IDX_PCM_MONO,
 565         .reg = TAS_REG_PCM,
 566         .bytes = 3,
 567         .max = ARRAY_SIZE(mixer_volume_table),
 568         .table = mixer_volume_table,
 569 };
 570
 571 static struct tumbler_mono_vol tumbler_bass_vol_info = {
 572         .index = VOL_IDX_BASS,
 573         .reg = TAS_REG_BASS,
 574         .bytes = 1,
 575         .max = ARRAY_SIZE(bass_volume_table),
 576         .table = bass_volume_table,
 577 };
 578
 579 static struct tumbler_mono_vol tumbler_treble_vol_info = {
 580         .index = VOL_IDX_TREBLE,
 581         .reg = TAS_REG_TREBLE,
 582         .bytes = 1,
 583         .max = ARRAY_SIZE(treble_volume_table),
 584         .table = treble_volume_table,
 585 };
 586
 587 /* TAS3004 mono volumes */
 588 static struct tumbler_mono_vol snapper_bass_vol_info = {
 589         .index = VOL_IDX_BASS,
 590         .reg = TAS_REG_BASS,
 591         .bytes = 1,
 592         .max = ARRAY_SIZE(snapper_bass_volume_table),
 593         .table = snapper_bass_volume_table,
 594 };
 595
 596 static struct tumbler_mono_vol snapper_treble_vol_info = {
 597         .index = VOL_IDX_TREBLE,
 598         .reg = TAS_REG_TREBLE,
 599         .bytes = 1,
 600         .max = ARRAY_SIZE(snapper_treble_volume_table),
 601         .table = snapper_treble_volume_table,
 602 };
 603
 604
 605 #define DEFINE_MONO(xname,type) { \
 606         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 607         .name = xname, \
 608         .info = tumbler_info_mono, \
 609         .get = tumbler_get_mono, \
 610         .put = tumbler_put_mono, \
 611         .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
 612 }
 613
 614 #define DEFINE_SNAPPER_MONO(xname,type) { \
 615         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 616         .name = xname, \
 617         .info = tumbler_info_mono, \
 618         .get = tumbler_get_mono, \
 619         .put = tumbler_put_mono, \
 620         .private_value = (unsigned long)(&snapper_##type##_vol_info), \
 621 }
 622
 623
 624 /*
 625  * snapper mixer volumes
 626  */
 627
 628 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
 629 {
 630         int i, j, vol;
 631         unsigned char block[9];
 632
 633         vol = mix->mix_vol[idx][ch];
 634         if (vol >= ARRAY_SIZE(mixer_volume_table)) {
 635                 vol = ARRAY_SIZE(mixer_volume_table) - 1;
 636                 mix->mix_vol[idx][ch] = vol;
 637         }
 638
 639         for (i = 0; i < 3; i++) {
 640                 vol = mix->mix_vol[i][ch];
 641                 vol = mixer_volume_table[vol];
 642                 for (j = 0; j < 3; j++)
 643                         block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
 644         }
 645         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
 646                                            9, block) < 0) {
 647                 snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
 648                 return -EINVAL;
 649         }
 650         return 0;
 651 }
 652
 653 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
 654 {
 655         if (! mix->i2c.client)
 656                 return -ENODEV;
 657         if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
 658             snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
 659                 return -EINVAL;
 660         return 0;
 661 }
 662
 663 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
 664                             struct snd_ctl_elem_info *uinfo)
 665 {
 666         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 667         uinfo->count = 2;
 668         uinfo->value.integer.min = 0;
 669         uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
 670         return 0;
 671 }
 672
 673 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
 674                            struct snd_ctl_elem_value *ucontrol)
 675 {
 676         int idx = (int)kcontrol->private_value;
 677         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 678         struct pmac_tumbler *mix;
 679         if (! (mix = chip->mixer_data))
 680                 return -ENODEV;
 681         ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
 682         ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
 683         return 0;
 684 }
 685
 686 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
 687                            struct snd_ctl_elem_value *ucontrol)
 688 {
 689         int idx = (int)kcontrol->private_value;
 690         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 691         struct pmac_tumbler *mix;
 692         unsigned int vol[2];
 693         int change;
 694
 695         if (! (mix = chip->mixer_data))
 696                 return -ENODEV;
 697         vol[0] = ucontrol->value.integer.value[0];
 698         vol[1] = ucontrol->value.integer.value[1];
 699         if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
 700             vol[1] >= ARRAY_SIZE(mixer_volume_table))
 701                 return -EINVAL;
 702         change = mix->mix_vol[idx][0] != vol[0] ||
 703                 mix->mix_vol[idx][1] != vol[1];
 704         if (change) {
 705                 mix->mix_vol[idx][0] = vol[0];
 706                 mix->mix_vol[idx][1] = vol[1];
 707                 snapper_set_mix_vol(mix, idx);
 708         }
 709         return change;
 710 }
 711
 712
 713 /*
 714  * mute switches. FIXME: Turn that into software mute when both outputs are muted
 715  * to avoid codec reset on ibook M7
 716  */
 717
 718 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
 719
 720 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
 721                                    struct snd_ctl_elem_value *ucontrol)
 722 {
 723         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 724         struct pmac_tumbler *mix;
 725         struct pmac_gpio *gp;
 726         if (! (mix = chip->mixer_data))
 727                 return -ENODEV;
 728         switch(kcontrol->private_value) {
 729         case TUMBLER_MUTE_HP:
 730                 gp = &mix->hp_mute;     break;
 731         case TUMBLER_MUTE_AMP:
 732                 gp = &mix->amp_mute;    break;
 733         case TUMBLER_MUTE_LINE:
 734                 gp = &mix->line_mute;   break;
 735         default:
 736                 gp = NULL;
 737         }
 738         if (gp == NULL)
 739                 return -EINVAL;
 740         ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
 741         return 0;
 742 }
 743
 744 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
 745                                    struct snd_ctl_elem_value *ucontrol)
 746 {
 747         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 748         struct pmac_tumbler *mix;
 749         struct pmac_gpio *gp;
 750         int val;
 751 #ifdef PMAC_SUPPORT_AUTOMUTE
 752         if (chip->update_automute && chip->auto_mute)
 753                 return 0; /* don't touch in the auto-mute mode */
 754 #endif
 755         if (! (mix = chip->mixer_data))
 756                 return -ENODEV;
 757         switch(kcontrol->private_value) {
 758         case TUMBLER_MUTE_HP:
 759                 gp = &mix->hp_mute;     break;
 760         case TUMBLER_MUTE_AMP:
 761                 gp = &mix->amp_mute;    break;
 762         case TUMBLER_MUTE_LINE:
 763                 gp = &mix->line_mute;   break;
 764         default:
 765                 gp = NULL;
 766         }
 767         if (gp == NULL)
 768                 return -EINVAL;
 769         val = ! check_audio_gpio(gp);
 770         if (val != ucontrol->value.integer.value[0]) {
 771                 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
 772                 return 1;
 773         }
 774         return 0;
 775 }
 776
 777 static int snapper_set_capture_source(struct pmac_tumbler *mix)
 778 {
 779         if (! mix->i2c.client)
 780                 return -ENODEV;
 781         if (mix->capture_source)
 782                 mix->acs = mix->acs |= 2;
 783         else
 784                 mix->acs &= ~2;
 785         return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
 786 }
 787
 788 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
 789                                        struct snd_ctl_elem_info *uinfo)
 790 {
 791         static char *texts[2] = {
 792                 "Line", "Mic"
 793         };
 794         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 795         uinfo->count = 1;
 796         uinfo->value.enumerated.items = 2;
 797         if (uinfo->value.enumerated.item > 1)
 798                 uinfo->value.enumerated.item = 1;
 799         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 800         return 0;
 801 }
 802
 803 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
 804                                       struct snd_ctl_elem_value *ucontrol)
 805 {
 806         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 807         struct pmac_tumbler *mix = chip->mixer_data;
 808
 809         ucontrol->value.enumerated.item[0] = mix->capture_source;
 810         return 0;
 811 }
 812
 813 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
 814                                       struct snd_ctl_elem_value *ucontrol)
 815 {
 816         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 817         struct pmac_tumbler *mix = chip->mixer_data;
 818         int change;
 819
 820         change = ucontrol->value.enumerated.item[0] != mix->capture_source;
 821         if (change) {
 822                 mix->capture_source = !!ucontrol->value.enumerated.item[0];
 823                 snapper_set_capture_source(mix);
 824         }
 825         return change;
 826 }
 827
 828 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
 829         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 830         .name = xname, \
 831         .info = snapper_info_mix, \
 832         .get = snapper_get_mix, \
 833         .put = snapper_put_mix, \
 834         .index = idx,\
 835         .private_value = ofs, \
 836 }
 837
 838
 839 /*
 840  */
 841 static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = {
 842         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 843           .name = "Master Playback Volume",
 844           .info = tumbler_info_master_volume,
 845           .get = tumbler_get_master_volume,
 846           .put = tumbler_put_master_volume
 847         },
 848         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 849           .name = "Master Playback Switch",
 850           .info = snd_pmac_boolean_stereo_info,
 851           .get = tumbler_get_master_switch,
 852           .put = tumbler_put_master_switch
 853         },
 854         DEFINE_MONO("Tone Control - Bass", bass),
 855         DEFINE_MONO("Tone Control - Treble", treble),
 856         DEFINE_MONO("PCM Playback Volume", pcm),
 857         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 858           .name = "DRC Range",
 859           .info = tumbler_info_drc_value,
 860           .get = tumbler_get_drc_value,
 861           .put = tumbler_put_drc_value
 862         },
 863 };
 864
 865 static struct snd_kcontrol_new snapper_mixers[] __devinitdata = {
 866         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 867           .name = "Master Playback Volume",
 868           .info = tumbler_info_master_volume,
 869           .get = tumbler_get_master_volume,
 870           .put = tumbler_put_master_volume
 871         },
 872         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 873           .name = "Master Playback Switch",
 874           .info = snd_pmac_boolean_stereo_info,
 875           .get = tumbler_get_master_switch,
 876           .put = tumbler_put_master_switch
 877         },
 878         DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
 879         /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
 880         DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
 881         DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 882         DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 883         DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
 884         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 885           .name = "DRC Range",
 886           .info = tumbler_info_drc_value,
 887           .get = tumbler_get_drc_value,
 888           .put = tumbler_put_drc_value
 889         },
 890         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 891           .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
 892           .info = snapper_info_capture_source,
 893           .get = snapper_get_capture_source,
 894           .put = snapper_put_capture_source
 895         },
 896 };
 897
 898 static struct snd_kcontrol_new tumbler_hp_sw __devinitdata = {
 899         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 900         .name = "Headphone Playback Switch",
 901         .info = snd_pmac_boolean_mono_info,
 902         .get = tumbler_get_mute_switch,
 903         .put = tumbler_put_mute_switch,
 904         .private_value = TUMBLER_MUTE_HP,
 905 };
 906 static struct snd_kcontrol_new tumbler_speaker_sw __devinitdata = {
 907         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 908         .name = "Speaker Playback Switch",
 909         .info = snd_pmac_boolean_mono_info,
 910         .get = tumbler_get_mute_switch,
 911         .put = tumbler_put_mute_switch,
 912         .private_value = TUMBLER_MUTE_AMP,
 913 };
 914 static struct snd_kcontrol_new tumbler_lineout_sw __devinitdata = {
 915         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 916         .name = "Line Out Playback Switch",
 917         .info = snd_pmac_boolean_mono_info,
 918         .get = tumbler_get_mute_switch,
 919         .put = tumbler_put_mute_switch,
 920         .private_value = TUMBLER_MUTE_LINE,
 921 };
 922 static struct snd_kcontrol_new tumbler_drc_sw __devinitdata = {
 923         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 924         .name = "DRC Switch",
 925         .info = snd_pmac_boolean_mono_info,
 926         .get = tumbler_get_drc_switch,
 927         .put = tumbler_put_drc_switch
 928 };
 929
 930
 931 #ifdef PMAC_SUPPORT_AUTOMUTE
 932 /*
 933  * auto-mute stuffs
 934  */
 935 static int tumbler_detect_headphone(struct snd_pmac *chip)
 936 {
 937         struct pmac_tumbler *mix = chip->mixer_data;
 938         int detect = 0;
 939
 940         if (mix->hp_detect.addr)
 941                 detect |= read_audio_gpio(&mix->hp_detect);
 942         return detect;
 943 }
 944
 945 static int tumbler_detect_lineout(struct snd_pmac *chip)
 946 {
 947         struct pmac_tumbler *mix = chip->mixer_data;
 948         int detect = 0;
 949
 950         if (mix->line_detect.addr)
 951                 detect |= read_audio_gpio(&mix->line_detect);
 952         return detect;
 953 }
 954
 955 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
 956                        struct snd_kcontrol *sw)
 957 {
 958         if (check_audio_gpio(gp) != val) {
 959                 write_audio_gpio(gp, val);
 960                 if (do_notify)
 961                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 962                                        &sw->id);
 963         }
 964 }
 965
 966 static struct work_struct device_change;
 967 static struct snd_pmac *device_change_chip;
 968
 969 static void device_change_handler(struct work_struct *work)
 970 {
 971         struct snd_pmac *chip = device_change_chip;
 972         struct pmac_tumbler *mix;
 973         int headphone, lineout;
 974
 975         if (!chip)
 976                 return;
 977
 978         mix = chip->mixer_data;
 979         if (snd_BUG_ON(!mix))
 980                 return;
 981
 982         headphone = tumbler_detect_headphone(chip);
 983         lineout = tumbler_detect_lineout(chip);
 984
 985         DBG("headphone: %d, lineout: %d\n", headphone, lineout);
 986
 987         if (headphone || lineout) {
 988                 /* unmute headphone/lineout & mute speaker */
 989                 if (headphone)
 990                         check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
 991                                    chip->master_sw_ctl);
 992                 if (lineout && mix->line_mute.addr != 0)
 993                         check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
 994                                    chip->lineout_sw_ctl);
 995                 if (mix->anded_reset)
 996                         msleep(10);
 997                 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
 998                            chip->speaker_sw_ctl);
 999         } else {
1000                 /* unmute speaker, mute others */
1001                 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1002                            chip->speaker_sw_ctl);
1003                 if (mix->anded_reset)
1004                         msleep(10);
1005                 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1006                            chip->master_sw_ctl);
1007                 if (mix->line_mute.addr != 0)
1008                         check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1009                                    chip->lineout_sw_ctl);
1010         }
1011         if (mix->auto_mute_notify)
1012                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1013                                        &chip->hp_detect_ctl->id);
1014
1015 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1016         mix->drc_enable = ! (headphone || lineout);
1017         if (mix->auto_mute_notify)
1018                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1019                                &chip->drc_sw_ctl->id);
1020         if (chip->model == PMAC_TUMBLER)
1021                 tumbler_set_drc(mix);
1022         else
1023                 snapper_set_drc(mix);
1024 #endif
1025
1026         /* reset the master volume so the correct amplification is applied */
1027         tumbler_set_master_volume(mix);
1028 }
1029
1030 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1031 {
1032         if (chip->auto_mute) {
1033                 struct pmac_tumbler *mix;
1034                 mix = chip->mixer_data;
1035                 if (snd_BUG_ON(!mix))
1036                         return;
1037                 mix->auto_mute_notify = do_notify;
1038                 schedule_work(&device_change);
1039         }
1040 }
1041 #endif /* PMAC_SUPPORT_AUTOMUTE */
1042
1043
1044 /* interrupt - headphone plug changed */
1045 static irqreturn_t headphone_intr(int irq, void *devid)
1046 {
1047         struct snd_pmac *chip = devid;
1048         if (chip->update_automute && chip->initialized) {
1049                 chip->update_automute(chip, 1);
1050                 return IRQ_HANDLED;
1051         }
1052         return IRQ_NONE;
1053 }
1054
1055 /* look for audio-gpio device */
1056 static struct device_node *find_audio_device(const char *name)
1057 {
1058         struct device_node *gpiop;
1059         struct device_node *np;
1060
1061         gpiop = of_find_node_by_name(NULL, "gpio");
1062         if (! gpiop)
1063                 return NULL;
1064
1065         for (np = of_get_next_child(gpiop, NULL); np;
1066                         np = of_get_next_child(gpiop, np)) {
1067                 const char *property = of_get_property(np, "audio-gpio", NULL);
1068                 if (property && strcmp(property, name) == 0)
1069                         break;
1070         }
1071         of_node_put(gpiop);
1072         return np;
1073 }
1074
1075 /* look for audio-gpio device */
1076 static struct device_node *find_compatible_audio_device(const char *name)
1077 {
1078         struct device_node *gpiop;
1079         struct device_node *np;
1080
1081         gpiop = of_find_node_by_name(NULL, "gpio");
1082         if (!gpiop)
1083                 return NULL;
1084
1085         for (np = of_get_next_child(gpiop, NULL); np;
1086                         np = of_get_next_child(gpiop, np)) {
1087                 if (of_device_is_compatible(np, name))
1088                         break;
1089         }
1090         of_node_put(gpiop);
1091         return np;
1092 }
1093
1094 /* find an audio device and get its address */
1095 static long tumbler_find_device(const char *device, const char *platform,
1096                                 struct pmac_gpio *gp, int is_compatible)
1097 {
1098         struct device_node *node;
1099         const u32 *base;
1100         u32 addr;
1101         long ret;
1102
1103         if (is_compatible)
1104                 node = find_compatible_audio_device(device);
1105         else
1106                 node = find_audio_device(device);
1107         if (! node) {
1108                 DBG("(W) cannot find audio device %s !\n", device);
1109                 snd_printdd("cannot find device %s\n", device);
1110                 return -ENODEV;
1111         }
1112
1113         base = of_get_property(node, "AAPL,address", NULL);
1114         if (! base) {
1115                 base = of_get_property(node, "reg", NULL);
1116                 if (!base) {
1117                         DBG("(E) cannot find address for device %s !\n", device);
1118                         snd_printd("cannot find address for device %s\n", device);
1119                         of_node_put(node);
1120                         return -ENODEV;
1121                 }
1122                 addr = *base;
1123                 if (addr < 0x50)
1124                         addr += 0x50;
1125         } else
1126                 addr = *base;
1127
1128         gp->addr = addr & 0x0000ffff;
1129         /* Try to find the active state, default to 0 ! */
1130         base = of_get_property(node, "audio-gpio-active-state", NULL);
1131         if (base) {
1132                 gp->active_state = *base;
1133                 gp->active_val = (*base) ? 0x5 : 0x4;
1134                 gp->inactive_val = (*base) ? 0x4 : 0x5;
1135         } else {
1136                 const u32 *prop = NULL;
1137                 gp->active_state = 0;
1138                 gp->active_val = 0x4;
1139                 gp->inactive_val = 0x5;
1140                 /* Here are some crude hacks to extract the GPIO polarity and
1141                  * open collector informations out of the do-platform script
1142                  * as we don't yet have an interpreter for these things
1143                  */
1144                 if (platform)
1145                         prop = of_get_property(node, platform, NULL);
1146                 if (prop) {
1147                         if (prop[3] == 0x9 && prop[4] == 0x9) {
1148                                 gp->active_val = 0xd;
1149                                 gp->inactive_val = 0xc;
1150                         }
1151                         if (prop[3] == 0x1 && prop[4] == 0x1) {
1152                                 gp->active_val = 0x5;
1153                                 gp->inactive_val = 0x4;
1154                         }
1155                 }
1156         }
1157
1158         DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1159             device, gp->addr, gp->active_state);
1160
1161         ret = irq_of_parse_and_map(node, 0);
1162         of_node_put(node);
1163         return ret;
1164 }
1165
1166 /* reset audio */
1167 static void tumbler_reset_audio(struct snd_pmac *chip)
1168 {
1169         struct pmac_tumbler *mix = chip->mixer_data;
1170
1171         if (mix->anded_reset) {
1172                 DBG("(I) codec anded reset !\n");
1173                 write_audio_gpio(&mix->hp_mute, 0);
1174                 write_audio_gpio(&mix->amp_mute, 0);
1175                 msleep(200);
1176                 write_audio_gpio(&mix->hp_mute, 1);
1177                 write_audio_gpio(&mix->amp_mute, 1);
1178                 msleep(100);
1179                 write_audio_gpio(&mix->hp_mute, 0);
1180                 write_audio_gpio(&mix->amp_mute, 0);
1181                 msleep(100);
1182         } else {
1183                 DBG("(I) codec normal reset !\n");
1184
1185                 write_audio_gpio(&mix->audio_reset, 0);
1186                 msleep(200);
1187                 write_audio_gpio(&mix->audio_reset, 1);
1188                 msleep(100);
1189                 write_audio_gpio(&mix->audio_reset, 0);
1190                 msleep(100);
1191         }
1192 }
1193
1194 #ifdef CONFIG_PM
1195 /* suspend mixer */
1196 static void tumbler_suspend(struct snd_pmac *chip)
1197 {
1198         struct pmac_tumbler *mix = chip->mixer_data;
1199
1200         if (mix->headphone_irq >= 0)
1201                 disable_irq(mix->headphone_irq);
1202         if (mix->lineout_irq >= 0)
1203                 disable_irq(mix->lineout_irq);
1204         mix->save_master_switch[0] = mix->master_switch[0];
1205         mix->save_master_switch[1] = mix->master_switch[1];
1206         mix->save_master_vol[0] = mix->master_vol[0];
1207         mix->save_master_vol[1] = mix->master_vol[1];
1208         mix->master_switch[0] = mix->master_switch[1] = 0;
1209         tumbler_set_master_volume(mix);
1210         if (!mix->anded_reset) {
1211                 write_audio_gpio(&mix->amp_mute, 1);
1212                 write_audio_gpio(&mix->hp_mute, 1);
1213         }
1214         if (chip->model == PMAC_SNAPPER) {
1215                 mix->acs |= 1;
1216                 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1217         }
1218         if (mix->anded_reset) {
1219                 write_audio_gpio(&mix->amp_mute, 1);
1220                 write_audio_gpio(&mix->hp_mute, 1);
1221         } else
1222                 write_audio_gpio(&mix->audio_reset, 1);
1223 }
1224
1225 /* resume mixer */
1226 static void tumbler_resume(struct snd_pmac *chip)
1227 {
1228         struct pmac_tumbler *mix = chip->mixer_data;
1229
1230         mix->acs &= ~1;
1231         mix->master_switch[0] = mix->save_master_switch[0];
1232         mix->master_switch[1] = mix->save_master_switch[1];
1233         mix->master_vol[0] = mix->save_master_vol[0];
1234         mix->master_vol[1] = mix->save_master_vol[1];
1235         tumbler_reset_audio(chip);
1236         if (mix->i2c.client && mix->i2c.init_client) {
1237                 if (mix->i2c.init_client(&mix->i2c) < 0)
1238                         printk(KERN_ERR "tumbler_init_client error\n");
1239         } else
1240                 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1241         if (chip->model == PMAC_TUMBLER) {
1242                 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1243                 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1244                 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1245                 tumbler_set_drc(mix);
1246         } else {
1247                 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1248                 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1249                 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1250                 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1251                 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1252                 snapper_set_drc(mix);
1253                 snapper_set_capture_source(mix);
1254         }
1255         tumbler_set_master_volume(mix);
1256         if (chip->update_automute)
1257                 chip->update_automute(chip, 0);
1258         if (mix->headphone_irq >= 0) {
1259                 unsigned char val;
1260
1261                 enable_irq(mix->headphone_irq);
1262                 /* activate headphone status interrupts */
1263                 val = do_gpio_read(&mix->hp_detect);
1264                 do_gpio_write(&mix->hp_detect, val | 0x80);
1265         }
1266         if (mix->lineout_irq >= 0)
1267                 enable_irq(mix->lineout_irq);
1268 }
1269 #endif
1270
1271 /* initialize tumbler */
1272 static int __devinit tumbler_init(struct snd_pmac *chip)
1273 {
1274         int irq;
1275         struct pmac_tumbler *mix = chip->mixer_data;
1276
1277         if (tumbler_find_device("audio-hw-reset",
1278                                 "platform-do-hw-reset",
1279                                 &mix->audio_reset, 0) < 0)
1280                 tumbler_find_device("hw-reset",
1281                                     "platform-do-hw-reset",
1282                                     &mix->audio_reset, 1);
1283         if (tumbler_find_device("amp-mute",
1284                                 "platform-do-amp-mute",
1285                                 &mix->amp_mute, 0) < 0)
1286                 tumbler_find_device("amp-mute",
1287                                     "platform-do-amp-mute",
1288                                     &mix->amp_mute, 1);
1289         if (tumbler_find_device("headphone-mute",
1290                                 "platform-do-headphone-mute",
1291                                 &mix->hp_mute, 0) < 0)
1292                 tumbler_find_device("headphone-mute",
1293                                     "platform-do-headphone-mute",
1294                                     &mix->hp_mute, 1);
1295         if (tumbler_find_device("line-output-mute",
1296                                 "platform-do-lineout-mute",
1297                                 &mix->line_mute, 0) < 0)
1298                 tumbler_find_device("line-output-mute",
1299                                    "platform-do-lineout-mute",
1300                                     &mix->line_mute, 1);
1301         irq = tumbler_find_device("headphone-detect",
1302                                   NULL, &mix->hp_detect, 0);
1303         if (irq <= NO_IRQ)
1304                 irq = tumbler_find_device("headphone-detect",
1305                                           NULL, &mix->hp_detect, 1);
1306         if (irq <= NO_IRQ)
1307                 irq = tumbler_find_device("keywest-gpio15",
1308                                           NULL, &mix->hp_detect, 1);
1309         mix->headphone_irq = irq;
1310         irq = tumbler_find_device("line-output-detect",
1311                                   NULL, &mix->line_detect, 0);
1312         if (irq <= NO_IRQ)
1313                 irq = tumbler_find_device("line-output-detect",
1314                                           NULL, &mix->line_detect, 1);
1315         mix->lineout_irq = irq;
1316
1317         tumbler_reset_audio(chip);
1318
1319         return 0;
1320 }
1321
1322 static void tumbler_cleanup(struct snd_pmac *chip)
1323 {
1324         struct pmac_tumbler *mix = chip->mixer_data;
1325         if (! mix)
1326                 return;
1327
1328         if (mix->headphone_irq >= 0)
1329                 free_irq(mix->headphone_irq, chip);
1330         if (mix->lineout_irq >= 0)
1331                 free_irq(mix->lineout_irq, chip);
1332         tumbler_gpio_free(&mix->audio_reset);
1333         tumbler_gpio_free(&mix->amp_mute);
1334         tumbler_gpio_free(&mix->hp_mute);
1335         tumbler_gpio_free(&mix->hp_detect);
1336         snd_pmac_keywest_cleanup(&mix->i2c);
1337         kfree(mix);
1338         chip->mixer_data = NULL;
1339 }
1340
1341 /* exported */
1342 int __devinit snd_pmac_tumbler_init(struct snd_pmac *chip)
1343 {
1344         int i, err;
1345         struct pmac_tumbler *mix;
1346         const u32 *paddr;
1347         struct device_node *tas_node, *np;
1348         char *chipname;
1349
1350         request_module("i2c-powermac");
1351
1352         mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1353         if (! mix)
1354                 return -ENOMEM;
1355         mix->headphone_irq = -1;
1356
1357         chip->mixer_data = mix;
1358         chip->mixer_free = tumbler_cleanup;
1359         mix->anded_reset = 0;
1360         mix->reset_on_sleep = 1;
1361
1362         for (np = chip->node->child; np; np = np->sibling) {
1363                 if (!strcmp(np->name, "sound")) {
1364                         if (of_get_property(np, "has-anded-reset", NULL))
1365                                 mix->anded_reset = 1;
1366                         if (of_get_property(np, "layout-id", NULL))
1367                                 mix->reset_on_sleep = 0;
1368                         break;
1369                 }
1370         }
1371         if ((err = tumbler_init(chip)) < 0)
1372                 return err;
1373
1374         /* set up TAS */
1375         tas_node = of_find_node_by_name(NULL, "deq");
1376         if (tas_node == NULL)
1377                 tas_node = of_find_node_by_name(NULL, "codec");
1378         if (tas_node == NULL)
1379                 return -ENODEV;
1380
1381         paddr = of_get_property(tas_node, "i2c-address", NULL);
1382         if (paddr == NULL)
1383                 paddr = of_get_property(tas_node, "reg", NULL);
1384         if (paddr)
1385                 mix->i2c.addr = (*paddr) >> 1;
1386         else
1387                 mix->i2c.addr = TAS_I2C_ADDR;
1388         of_node_put(tas_node);
1389
1390         DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1391
1392         if (chip->model == PMAC_TUMBLER) {
1393                 mix->i2c.init_client = tumbler_init_client;
1394                 mix->i2c.name = "TAS3001c";
1395                 chipname = "Tumbler";
1396         } else {
1397                 mix->i2c.init_client = snapper_init_client;
1398                 mix->i2c.name = "TAS3004";
1399                 chipname = "Snapper";
1400         }
1401
1402         if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1403                 return err;
1404
1405         /*
1406          * build mixers
1407          */
1408         sprintf(chip->card->mixername, "PowerMac %s", chipname);
1409
1410         if (chip->model == PMAC_TUMBLER) {
1411                 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1412                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1413                                 return err;
1414                 }
1415         } else {
1416                 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1417                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1418                                 return err;
1419                 }
1420         }
1421         chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1422         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1423                 return err;
1424         chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1425         if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1426                 return err;
1427         if (mix->line_mute.addr != 0) {
1428                 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1429                 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1430                         return err;
1431         }
1432         chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1433         if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1434                 return err;
1435
1436         /* set initial DRC range to 60% */
1437         if (chip->model == PMAC_TUMBLER)
1438                 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1439         else
1440                 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1441         mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1442         if (chip->model == PMAC_TUMBLER)
1443                 tumbler_set_drc(mix);
1444         else
1445                 snapper_set_drc(mix);
1446
1447 #ifdef CONFIG_PM
1448         chip->suspend = tumbler_suspend;
1449         chip->resume = tumbler_resume;
1450 #endif
1451
1452         INIT_WORK(&device_change, device_change_handler);
1453         device_change_chip = chip;
1454
1455 #ifdef PMAC_SUPPORT_AUTOMUTE
1456         if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1457             && (err = snd_pmac_add_automute(chip)) < 0)
1458                 return err;
1459         chip->detect_headphone = tumbler_detect_headphone;
1460         chip->update_automute = tumbler_update_automute;
1461         tumbler_update_automute(chip, 0); /* update the status only */
1462
1463         /* activate headphone status interrupts */
1464         if (mix->headphone_irq >= 0) {
1465                 unsigned char val;
1466                 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1467                                        "Sound Headphone Detection", chip)) < 0)
1468                         return 0;
1469                 /* activate headphone status interrupts */
1470                 val = do_gpio_read(&mix->hp_detect);
1471                 do_gpio_write(&mix->hp_detect, val | 0x80);
1472         }
1473         if (mix->lineout_irq >= 0) {
1474                 unsigned char val;
1475                 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1476                                        "Sound Lineout Detection", chip)) < 0)
1477                         return 0;
1478                 /* activate headphone status interrupts */
1479                 val = do_gpio_read(&mix->line_detect);
1480                 do_gpio_write(&mix->line_detect, val | 0x80);
1481         }
1482 #endif
1483
1484         return 0;
1485 }