git.oblomov.eu Git - linux-2.6/blob - 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(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         snd_assert(mix, return -ENODEV);
 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         snd_assert(mix, return -ENODEV);
 281         vol[0] = ucontrol->value.integer.value[0];
 282         vol[1] = ucontrol->value.integer.value[1];
 283         if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
 284             vol[1] >= ARRAY_SIZE(master_volume_table))
 285                 return -EINVAL;
 286         change = mix->master_vol[0] != vol[0] ||
 287                 mix->master_vol[1] != vol[1];
 288         if (change) {
 289                 mix->master_vol[0] = vol[0];
 290                 mix->master_vol[1] = vol[1];
 291                 tumbler_set_master_volume(mix);
 292         }
 293         return change;
 294 }
 295
 296 /* output switch */
 297 static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
 298                                      struct snd_ctl_elem_value *ucontrol)
 299 {
 300         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 301         struct pmac_tumbler *mix = chip->mixer_data;
 302         snd_assert(mix, return -ENODEV);
 303         ucontrol->value.integer.value[0] = mix->master_switch[0];
 304         ucontrol->value.integer.value[1] = mix->master_switch[1];
 305         return 0;
 306 }
 307
 308 static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
 309                                      struct snd_ctl_elem_value *ucontrol)
 310 {
 311         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 312         struct pmac_tumbler *mix = chip->mixer_data;
 313         int change;
 314
 315         snd_assert(mix, return -ENODEV);
 316         change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
 317                 mix->master_switch[1] != ucontrol->value.integer.value[1];
 318         if (change) {
 319                 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
 320                 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
 321                 tumbler_set_master_volume(mix);
 322         }
 323         return change;
 324 }
 325
 326
 327 /*
 328  * TAS3001c dynamic range compression
 329  */
 330
 331 #define TAS3001_DRC_MAX         0x5f
 332
 333 static int tumbler_set_drc(struct pmac_tumbler *mix)
 334 {
 335         unsigned char val[2];
 336
 337         if (! mix->i2c.client)
 338                 return -ENODEV;
 339
 340         if (mix->drc_enable) {
 341                 val[0] = 0xc1; /* enable, 3:1 compression */
 342                 if (mix->drc_range > TAS3001_DRC_MAX)
 343                         val[1] = 0xf0;
 344                 else if (mix->drc_range < 0)
 345                         val[1] = 0x91;
 346                 else
 347                         val[1] = mix->drc_range + 0x91;
 348         } else {
 349                 val[0] = 0;
 350                 val[1] = 0;
 351         }
 352
 353         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 354                                            2, val) < 0) {
 355                 snd_printk("failed to set DRC\n");
 356                 return -EINVAL;
 357         }
 358         return 0;
 359 }
 360
 361 /*
 362  * TAS3004
 363  */
 364
 365 #define TAS3004_DRC_MAX         0xef
 366
 367 static int snapper_set_drc(struct pmac_tumbler *mix)
 368 {
 369         unsigned char val[6];
 370
 371         if (! mix->i2c.client)
 372                 return -ENODEV;
 373
 374         if (mix->drc_enable)
 375                 val[0] = 0x50; /* 3:1 above threshold */
 376         else
 377                 val[0] = 0x51; /* disabled */
 378         val[1] = 0x02; /* 1:1 below threshold */
 379         if (mix->drc_range > 0xef)
 380                 val[2] = 0xef;
 381         else if (mix->drc_range < 0)
 382                 val[2] = 0x00;
 383         else
 384                 val[2] = mix->drc_range;
 385         val[3] = 0xb0;
 386         val[4] = 0x60;
 387         val[5] = 0xa0;
 388
 389         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 390                                            6, val) < 0) {
 391                 snd_printk("failed to set DRC\n");
 392                 return -EINVAL;
 393         }
 394         return 0;
 395 }
 396
 397 static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
 398                                   struct snd_ctl_elem_info *uinfo)
 399 {
 400         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 401         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 402         uinfo->count = 1;
 403         uinfo->value.integer.min = 0;
 404         uinfo->value.integer.max =
 405                 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
 406         return 0;
 407 }
 408
 409 static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
 410                                  struct snd_ctl_elem_value *ucontrol)
 411 {
 412         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 413         struct pmac_tumbler *mix;
 414         if (! (mix = chip->mixer_data))
 415                 return -ENODEV;
 416         ucontrol->value.integer.value[0] = mix->drc_range;
 417         return 0;
 418 }
 419
 420 static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
 421                                  struct snd_ctl_elem_value *ucontrol)
 422 {
 423         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 424         struct pmac_tumbler *mix;
 425         unsigned int val;
 426         int change;
 427
 428         if (! (mix = chip->mixer_data))
 429                 return -ENODEV;
 430         val = ucontrol->value.integer.value[0];
 431         if (chip->model == PMAC_TUMBLER) {
 432                 if (val > TAS3001_DRC_MAX)
 433                         return -EINVAL;
 434         } else {
 435                 if (val > TAS3004_DRC_MAX)
 436                         return -EINVAL;
 437         }
 438         change = mix->drc_range != val;
 439         if (change) {
 440                 mix->drc_range = val;
 441                 if (chip->model == PMAC_TUMBLER)
 442                         tumbler_set_drc(mix);
 443                 else
 444                         snapper_set_drc(mix);
 445         }
 446         return change;
 447 }
 448
 449 static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
 450                                   struct snd_ctl_elem_value *ucontrol)
 451 {
 452         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 453         struct pmac_tumbler *mix;
 454         if (! (mix = chip->mixer_data))
 455                 return -ENODEV;
 456         ucontrol->value.integer.value[0] = mix->drc_enable;
 457         return 0;
 458 }
 459
 460 static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
 461                                   struct snd_ctl_elem_value *ucontrol)
 462 {
 463         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 464         struct pmac_tumbler *mix;
 465         int change;
 466
 467         if (! (mix = chip->mixer_data))
 468                 return -ENODEV;
 469         change = mix->drc_enable != ucontrol->value.integer.value[0];
 470         if (change) {
 471                 mix->drc_enable = !!ucontrol->value.integer.value[0];
 472                 if (chip->model == PMAC_TUMBLER)
 473                         tumbler_set_drc(mix);
 474                 else
 475                         snapper_set_drc(mix);
 476         }
 477         return change;
 478 }
 479
 480
 481 /*
 482  * mono volumes
 483  */
 484
 485 struct tumbler_mono_vol {
 486         int index;
 487         int reg;
 488         int bytes;
 489         unsigned int max;
 490         unsigned int *table;
 491 };
 492
 493 static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
 494                                    struct tumbler_mono_vol *info)
 495 {
 496         unsigned char block[4];
 497         unsigned int vol;
 498         int i;
 499
 500         if (! mix->i2c.client)
 501                 return -ENODEV;
 502
 503         vol = mix->mono_vol[info->index];
 504         if (vol >= info->max)
 505                 vol = info->max - 1;
 506         vol = info->table[vol];
 507         for (i = 0; i < info->bytes; i++)
 508                 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
 509         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
 510                                            info->bytes, block) < 0) {
 511                 snd_printk("failed to set mono volume %d\n", info->index);
 512                 return -EINVAL;
 513         }
 514         return 0;
 515 }
 516
 517 static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
 518                              struct snd_ctl_elem_info *uinfo)
 519 {
 520         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 521
 522         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 523         uinfo->count = 1;
 524         uinfo->value.integer.min = 0;
 525         uinfo->value.integer.max = info->max - 1;
 526         return 0;
 527 }
 528
 529 static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
 530                             struct snd_ctl_elem_value *ucontrol)
 531 {
 532         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 533         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 534         struct pmac_tumbler *mix;
 535         if (! (mix = chip->mixer_data))
 536                 return -ENODEV;
 537         ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
 538         return 0;
 539 }
 540
 541 static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
 542                             struct snd_ctl_elem_value *ucontrol)
 543 {
 544         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 545         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 546         struct pmac_tumbler *mix;
 547         unsigned int vol;
 548         int change;
 549
 550         if (! (mix = chip->mixer_data))
 551                 return -ENODEV;
 552         vol = ucontrol->value.integer.value[0];
 553         if (vol >= info->max)
 554                 return -EINVAL;
 555         change = mix->mono_vol[info->index] != vol;
 556         if (change) {
 557                 mix->mono_vol[info->index] = vol;
 558                 tumbler_set_mono_volume(mix, info);
 559         }
 560         return change;
 561 }
 562
 563 /* TAS3001c mono volumes */
 564 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
 565         .index = VOL_IDX_PCM_MONO,
 566         .reg = TAS_REG_PCM,
 567         .bytes = 3,
 568         .max = ARRAY_SIZE(mixer_volume_table),
 569         .table = mixer_volume_table,
 570 };
 571
 572 static struct tumbler_mono_vol tumbler_bass_vol_info = {
 573         .index = VOL_IDX_BASS,
 574         .reg = TAS_REG_BASS,
 575         .bytes = 1,
 576         .max = ARRAY_SIZE(bass_volume_table),
 577         .table = bass_volume_table,
 578 };
 579
 580 static struct tumbler_mono_vol tumbler_treble_vol_info = {
 581         .index = VOL_IDX_TREBLE,
 582         .reg = TAS_REG_TREBLE,
 583         .bytes = 1,
 584         .max = ARRAY_SIZE(treble_volume_table),
 585         .table = treble_volume_table,
 586 };
 587
 588 /* TAS3004 mono volumes */
 589 static struct tumbler_mono_vol snapper_bass_vol_info = {
 590         .index = VOL_IDX_BASS,
 591         .reg = TAS_REG_BASS,
 592         .bytes = 1,
 593         .max = ARRAY_SIZE(snapper_bass_volume_table),
 594         .table = snapper_bass_volume_table,
 595 };
 596
 597 static struct tumbler_mono_vol snapper_treble_vol_info = {
 598         .index = VOL_IDX_TREBLE,
 599         .reg = TAS_REG_TREBLE,
 600         .bytes = 1,
 601         .max = ARRAY_SIZE(snapper_treble_volume_table),
 602         .table = snapper_treble_volume_table,
 603 };
 604
 605
 606 #define DEFINE_MONO(xname,type) { \
 607         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 608         .name = xname, \
 609         .info = tumbler_info_mono, \
 610         .get = tumbler_get_mono, \
 611         .put = tumbler_put_mono, \
 612         .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
 613 }
 614
 615 #define DEFINE_SNAPPER_MONO(xname,type) { \
 616         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 617         .name = xname, \
 618         .info = tumbler_info_mono, \
 619         .get = tumbler_get_mono, \
 620         .put = tumbler_put_mono, \
 621         .private_value = (unsigned long)(&snapper_##type##_vol_info), \
 622 }
 623
 624
 625 /*
 626  * snapper mixer volumes
 627  */
 628
 629 static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
 630 {
 631         int i, j, vol;
 632         unsigned char block[9];
 633
 634         vol = mix->mix_vol[idx][ch];
 635         if (vol >= ARRAY_SIZE(mixer_volume_table)) {
 636                 vol = ARRAY_SIZE(mixer_volume_table) - 1;
 637                 mix->mix_vol[idx][ch] = vol;
 638         }
 639
 640         for (i = 0; i < 3; i++) {
 641                 vol = mix->mix_vol[i][ch];
 642                 vol = mixer_volume_table[vol];
 643                 for (j = 0; j < 3; j++)
 644                         block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
 645         }
 646         if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
 647                                            9, block) < 0) {
 648                 snd_printk("failed to set mono volume %d\n", reg);
 649                 return -EINVAL;
 650         }
 651         return 0;
 652 }
 653
 654 static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
 655 {
 656         if (! mix->i2c.client)
 657                 return -ENODEV;
 658         if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
 659             snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
 660                 return -EINVAL;
 661         return 0;
 662 }
 663
 664 static int snapper_info_mix(struct snd_kcontrol *kcontrol,
 665                             struct snd_ctl_elem_info *uinfo)
 666 {
 667         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 668         uinfo->count = 2;
 669         uinfo->value.integer.min = 0;
 670         uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
 671         return 0;
 672 }
 673
 674 static int snapper_get_mix(struct snd_kcontrol *kcontrol,
 675                            struct snd_ctl_elem_value *ucontrol)
 676 {
 677         int idx = (int)kcontrol->private_value;
 678         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 679         struct pmac_tumbler *mix;
 680         if (! (mix = chip->mixer_data))
 681                 return -ENODEV;
 682         ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
 683         ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
 684         return 0;
 685 }
 686
 687 static int snapper_put_mix(struct snd_kcontrol *kcontrol,
 688                            struct snd_ctl_elem_value *ucontrol)
 689 {
 690         int idx = (int)kcontrol->private_value;
 691         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 692         struct pmac_tumbler *mix;
 693         unsigned int vol[2];
 694         int change;
 695
 696         if (! (mix = chip->mixer_data))
 697                 return -ENODEV;
 698         vol[0] = ucontrol->value.integer.value[0];
 699         vol[1] = ucontrol->value.integer.value[1];
 700         if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
 701             vol[1] >= ARRAY_SIZE(mixer_volume_table))
 702                 return -EINVAL;
 703         change = mix->mix_vol[idx][0] != vol[0] ||
 704                 mix->mix_vol[idx][1] != vol[1];
 705         if (change) {
 706                 mix->mix_vol[idx][0] = vol[0];
 707                 mix->mix_vol[idx][1] = vol[1];
 708                 snapper_set_mix_vol(mix, idx);
 709         }
 710         return change;
 711 }
 712
 713
 714 /*
 715  * mute switches. FIXME: Turn that into software mute when both outputs are muted
 716  * to avoid codec reset on ibook M7
 717  */
 718
 719 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
 720
 721 static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
 722                                    struct snd_ctl_elem_value *ucontrol)
 723 {
 724         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 725         struct pmac_tumbler *mix;
 726         struct pmac_gpio *gp;
 727         if (! (mix = chip->mixer_data))
 728                 return -ENODEV;
 729         switch(kcontrol->private_value) {
 730         case TUMBLER_MUTE_HP:
 731                 gp = &mix->hp_mute;     break;
 732         case TUMBLER_MUTE_AMP:
 733                 gp = &mix->amp_mute;    break;
 734         case TUMBLER_MUTE_LINE:
 735                 gp = &mix->line_mute;   break;
 736         default:
 737                 gp = NULL;
 738         }
 739         if (gp == NULL)
 740                 return -EINVAL;
 741         ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
 742         return 0;
 743 }
 744
 745 static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
 746                                    struct snd_ctl_elem_value *ucontrol)
 747 {
 748         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 749         struct pmac_tumbler *mix;
 750         struct pmac_gpio *gp;
 751         int val;
 752 #ifdef PMAC_SUPPORT_AUTOMUTE
 753         if (chip->update_automute && chip->auto_mute)
 754                 return 0; /* don't touch in the auto-mute mode */
 755 #endif
 756         if (! (mix = chip->mixer_data))
 757                 return -ENODEV;
 758         switch(kcontrol->private_value) {
 759         case TUMBLER_MUTE_HP:
 760                 gp = &mix->hp_mute;     break;
 761         case TUMBLER_MUTE_AMP:
 762                 gp = &mix->amp_mute;    break;
 763         case TUMBLER_MUTE_LINE:
 764                 gp = &mix->line_mute;   break;
 765         default:
 766                 gp = NULL;
 767         }
 768         if (gp == NULL)
 769                 return -EINVAL;
 770         val = ! check_audio_gpio(gp);
 771         if (val != ucontrol->value.integer.value[0]) {
 772                 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
 773                 return 1;
 774         }
 775         return 0;
 776 }
 777
 778 static int snapper_set_capture_source(struct pmac_tumbler *mix)
 779 {
 780         if (! mix->i2c.client)
 781                 return -ENODEV;
 782         if (mix->capture_source)
 783                 mix->acs = mix->acs |= 2;
 784         else
 785                 mix->acs &= ~2;
 786         return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
 787 }
 788
 789 static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
 790                                        struct snd_ctl_elem_info *uinfo)
 791 {
 792         static char *texts[2] = {
 793                 "Line", "Mic"
 794         };
 795         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 796         uinfo->count = 1;
 797         uinfo->value.enumerated.items = 2;
 798         if (uinfo->value.enumerated.item > 1)
 799                 uinfo->value.enumerated.item = 1;
 800         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 801         return 0;
 802 }
 803
 804 static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
 805                                       struct snd_ctl_elem_value *ucontrol)
 806 {
 807         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 808         struct pmac_tumbler *mix = chip->mixer_data;
 809
 810         snd_assert(mix, return -ENODEV);
 811         ucontrol->value.enumerated.item[0] = mix->capture_source;
 812         return 0;
 813 }
 814
 815 static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
 816                                       struct snd_ctl_elem_value *ucontrol)
 817 {
 818         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 819         struct pmac_tumbler *mix = chip->mixer_data;
 820         int change;
 821
 822         snd_assert(mix, return -ENODEV);
 823         change = ucontrol->value.enumerated.item[0] != mix->capture_source;
 824         if (change) {
 825                 mix->capture_source = !!ucontrol->value.enumerated.item[0];
 826                 snapper_set_capture_source(mix);
 827         }
 828         return change;
 829 }
 830
 831 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
 832         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 833         .name = xname, \
 834         .info = snapper_info_mix, \
 835         .get = snapper_get_mix, \
 836         .put = snapper_put_mix, \
 837         .index = idx,\
 838         .private_value = ofs, \
 839 }
 840
 841
 842 /*
 843  */
 844 static struct snd_kcontrol_new tumbler_mixers[] __initdata = {
 845         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 846           .name = "Master Playback Volume",
 847           .info = tumbler_info_master_volume,
 848           .get = tumbler_get_master_volume,
 849           .put = tumbler_put_master_volume
 850         },
 851         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 852           .name = "Master Playback Switch",
 853           .info = snd_pmac_boolean_stereo_info,
 854           .get = tumbler_get_master_switch,
 855           .put = tumbler_put_master_switch
 856         },
 857         DEFINE_MONO("Tone Control - Bass", bass),
 858         DEFINE_MONO("Tone Control - Treble", treble),
 859         DEFINE_MONO("PCM Playback Volume", pcm),
 860         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 861           .name = "DRC Range",
 862           .info = tumbler_info_drc_value,
 863           .get = tumbler_get_drc_value,
 864           .put = tumbler_put_drc_value
 865         },
 866 };
 867
 868 static struct snd_kcontrol_new snapper_mixers[] __initdata = {
 869         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 870           .name = "Master Playback Volume",
 871           .info = tumbler_info_master_volume,
 872           .get = tumbler_get_master_volume,
 873           .put = tumbler_put_master_volume
 874         },
 875         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 876           .name = "Master Playback Switch",
 877           .info = snd_pmac_boolean_stereo_info,
 878           .get = tumbler_get_master_switch,
 879           .put = tumbler_put_master_switch
 880         },
 881         DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
 882         DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2),
 883         DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 884         DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 885         DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
 886         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 887           .name = "DRC Range",
 888           .info = tumbler_info_drc_value,
 889           .get = tumbler_get_drc_value,
 890           .put = tumbler_put_drc_value
 891         },
 892         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 893           .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
 894           .info = snapper_info_capture_source,
 895           .get = snapper_get_capture_source,
 896           .put = snapper_put_capture_source
 897         },
 898 };
 899
 900 static struct snd_kcontrol_new tumbler_hp_sw __initdata = {
 901         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 902         .name = "Headphone Playback Switch",
 903         .info = snd_pmac_boolean_mono_info,
 904         .get = tumbler_get_mute_switch,
 905         .put = tumbler_put_mute_switch,
 906         .private_value = TUMBLER_MUTE_HP,
 907 };
 908 static struct snd_kcontrol_new tumbler_speaker_sw __initdata = {
 909         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 910         .name = "PC Speaker Playback Switch",
 911         .info = snd_pmac_boolean_mono_info,
 912         .get = tumbler_get_mute_switch,
 913         .put = tumbler_put_mute_switch,
 914         .private_value = TUMBLER_MUTE_AMP,
 915 };
 916 static struct snd_kcontrol_new tumbler_lineout_sw __initdata = {
 917         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 918         .name = "Line Out Playback Switch",
 919         .info = snd_pmac_boolean_mono_info,
 920         .get = tumbler_get_mute_switch,
 921         .put = tumbler_put_mute_switch,
 922         .private_value = TUMBLER_MUTE_LINE,
 923 };
 924 static struct snd_kcontrol_new tumbler_drc_sw __initdata = {
 925         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 926         .name = "DRC Switch",
 927         .info = snd_pmac_boolean_mono_info,
 928         .get = tumbler_get_drc_switch,
 929         .put = tumbler_put_drc_switch
 930 };
 931
 932
 933 #ifdef PMAC_SUPPORT_AUTOMUTE
 934 /*
 935  * auto-mute stuffs
 936  */
 937 static int tumbler_detect_headphone(struct snd_pmac *chip)
 938 {
 939         struct pmac_tumbler *mix = chip->mixer_data;
 940         int detect = 0;
 941
 942         if (mix->hp_detect.addr)
 943                 detect |= read_audio_gpio(&mix->hp_detect);
 944         return detect;
 945 }
 946
 947 static int tumbler_detect_lineout(struct snd_pmac *chip)
 948 {
 949         struct pmac_tumbler *mix = chip->mixer_data;
 950         int detect = 0;
 951
 952         if (mix->line_detect.addr)
 953                 detect |= read_audio_gpio(&mix->line_detect);
 954         return detect;
 955 }
 956
 957 static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
 958                        struct snd_kcontrol *sw)
 959 {
 960         if (check_audio_gpio(gp) != val) {
 961                 write_audio_gpio(gp, val);
 962                 if (do_notify)
 963                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 964                                        &sw->id);
 965         }
 966 }
 967
 968 static struct work_struct device_change;
 969 static struct snd_pmac *device_change_chip;
 970
 971 static void device_change_handler(struct work_struct *work)
 972 {
 973         struct snd_pmac *chip = device_change_chip;
 974         struct pmac_tumbler *mix;
 975         int headphone, lineout;
 976
 977         if (!chip)
 978                 return;
 979
 980         mix = chip->mixer_data;
 981         snd_assert(mix, return);
 982
 983         headphone = tumbler_detect_headphone(chip);
 984         lineout = tumbler_detect_lineout(chip);
 985
 986         DBG("headphone: %d, lineout: %d\n", headphone, lineout);
 987
 988         if (headphone || lineout) {
 989                 /* unmute headphone/lineout & mute speaker */
 990                 if (headphone)
 991                         check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
 992                                    chip->master_sw_ctl);
 993                 if (lineout && mix->line_mute.addr != 0)
 994                         check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
 995                                    chip->lineout_sw_ctl);
 996                 if (mix->anded_reset)
 997                         msleep(10);
 998                 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
 999                            chip->speaker_sw_ctl);
1000         } else {
1001                 /* unmute speaker, mute others */
1002                 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1003                            chip->speaker_sw_ctl);
1004                 if (mix->anded_reset)
1005                         msleep(10);
1006                 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1007                            chip->master_sw_ctl);
1008                 if (mix->line_mute.addr != 0)
1009                         check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1010                                    chip->lineout_sw_ctl);
1011         }
1012         if (mix->auto_mute_notify)
1013                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1014                                        &chip->hp_detect_ctl->id);
1015
1016 #ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1017         mix->drc_enable = ! (headphone || lineout);
1018         if (mix->auto_mute_notify)
1019                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1020                                &chip->drc_sw_ctl->id);
1021         if (chip->model == PMAC_TUMBLER)
1022                 tumbler_set_drc(mix);
1023         else
1024                 snapper_set_drc(mix);
1025 #endif
1026
1027         /* reset the master volume so the correct amplification is applied */
1028         tumbler_set_master_volume(mix);
1029 }
1030
1031 static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1032 {
1033         if (chip->auto_mute) {
1034                 struct pmac_tumbler *mix;
1035                 mix = chip->mixer_data;
1036                 snd_assert(mix, 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         snd_assert(mix, return);
1231
1232         mix->acs &= ~1;
1233         mix->master_switch[0] = mix->save_master_switch[0];
1234         mix->master_switch[1] = mix->save_master_switch[1];
1235         mix->master_vol[0] = mix->save_master_vol[0];
1236         mix->master_vol[1] = mix->save_master_vol[1];
1237         tumbler_reset_audio(chip);
1238         if (mix->i2c.client && mix->i2c.init_client) {
1239                 if (mix->i2c.init_client(&mix->i2c) < 0)
1240                         printk(KERN_ERR "tumbler_init_client error\n");
1241         } else
1242                 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1243         if (chip->model == PMAC_TUMBLER) {
1244                 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1245                 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1246                 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1247                 tumbler_set_drc(mix);
1248         } else {
1249                 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1250                 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1251                 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1252                 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1253                 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1254                 snapper_set_drc(mix);
1255                 snapper_set_capture_source(mix);
1256         }
1257         tumbler_set_master_volume(mix);
1258         if (chip->update_automute)
1259                 chip->update_automute(chip, 0);
1260         if (mix->headphone_irq >= 0) {
1261                 unsigned char val;
1262
1263                 enable_irq(mix->headphone_irq);
1264                 /* activate headphone status interrupts */
1265                 val = do_gpio_read(&mix->hp_detect);
1266                 do_gpio_write(&mix->hp_detect, val | 0x80);
1267         }
1268         if (mix->lineout_irq >= 0)
1269                 enable_irq(mix->lineout_irq);
1270 }
1271 #endif
1272
1273 /* initialize tumbler */
1274 static int __init tumbler_init(struct snd_pmac *chip)
1275 {
1276         int irq;
1277         struct pmac_tumbler *mix = chip->mixer_data;
1278         snd_assert(mix, return -EINVAL);
1279
1280         if (tumbler_find_device("audio-hw-reset",
1281                                 "platform-do-hw-reset",
1282                                 &mix->audio_reset, 0) < 0)
1283                 tumbler_find_device("hw-reset",
1284                                     "platform-do-hw-reset",
1285                                     &mix->audio_reset, 1);
1286         if (tumbler_find_device("amp-mute",
1287                                 "platform-do-amp-mute",
1288                                 &mix->amp_mute, 0) < 0)
1289                 tumbler_find_device("amp-mute",
1290                                     "platform-do-amp-mute",
1291                                     &mix->amp_mute, 1);
1292         if (tumbler_find_device("headphone-mute",
1293                                 "platform-do-headphone-mute",
1294                                 &mix->hp_mute, 0) < 0)
1295                 tumbler_find_device("headphone-mute",
1296                                     "platform-do-headphone-mute",
1297                                     &mix->hp_mute, 1);
1298         if (tumbler_find_device("line-output-mute",
1299                                 "platform-do-lineout-mute",
1300                                 &mix->line_mute, 0) < 0)
1301                 tumbler_find_device("line-output-mute",
1302                                    "platform-do-lineout-mute",
1303                                     &mix->line_mute, 1);
1304         irq = tumbler_find_device("headphone-detect",
1305                                   NULL, &mix->hp_detect, 0);
1306         if (irq <= NO_IRQ)
1307                 irq = tumbler_find_device("headphone-detect",
1308                                           NULL, &mix->hp_detect, 1);
1309         if (irq <= NO_IRQ)
1310                 irq = tumbler_find_device("keywest-gpio15",
1311                                           NULL, &mix->hp_detect, 1);
1312         mix->headphone_irq = irq;
1313         irq = tumbler_find_device("line-output-detect",
1314                                   NULL, &mix->line_detect, 0);
1315         if (irq <= NO_IRQ)
1316                 irq = tumbler_find_device("line-output-detect",
1317                                           NULL, &mix->line_detect, 1);
1318         mix->lineout_irq = irq;
1319
1320         tumbler_reset_audio(chip);
1321
1322         return 0;
1323 }
1324
1325 static void tumbler_cleanup(struct snd_pmac *chip)
1326 {
1327         struct pmac_tumbler *mix = chip->mixer_data;
1328         if (! mix)
1329                 return;
1330
1331         if (mix->headphone_irq >= 0)
1332                 free_irq(mix->headphone_irq, chip);
1333         if (mix->lineout_irq >= 0)
1334                 free_irq(mix->lineout_irq, chip);
1335         tumbler_gpio_free(&mix->audio_reset);
1336         tumbler_gpio_free(&mix->amp_mute);
1337         tumbler_gpio_free(&mix->hp_mute);
1338         tumbler_gpio_free(&mix->hp_detect);
1339         snd_pmac_keywest_cleanup(&mix->i2c);
1340         kfree(mix);
1341         chip->mixer_data = NULL;
1342 }
1343
1344 /* exported */
1345 int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
1346 {
1347         int i, err;
1348         struct pmac_tumbler *mix;
1349         const u32 *paddr;
1350         struct device_node *tas_node, *np;
1351         char *chipname;
1352
1353         request_module("i2c-powermac");
1354
1355         mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1356         if (! mix)
1357                 return -ENOMEM;
1358         mix->headphone_irq = -1;
1359
1360         chip->mixer_data = mix;
1361         chip->mixer_free = tumbler_cleanup;
1362         mix->anded_reset = 0;
1363         mix->reset_on_sleep = 1;
1364
1365         for (np = chip->node->child; np; np = np->sibling) {
1366                 if (!strcmp(np->name, "sound")) {
1367                         if (of_get_property(np, "has-anded-reset", NULL))
1368                                 mix->anded_reset = 1;
1369                         if (of_get_property(np, "layout-id", NULL))
1370                                 mix->reset_on_sleep = 0;
1371                         break;
1372                 }
1373         }
1374         if ((err = tumbler_init(chip)) < 0)
1375                 return err;
1376
1377         /* set up TAS */
1378         tas_node = of_find_node_by_name(NULL, "deq");
1379         if (tas_node == NULL)
1380                 tas_node = of_find_node_by_name(NULL, "codec");
1381         if (tas_node == NULL)
1382                 return -ENODEV;
1383
1384         paddr = of_get_property(tas_node, "i2c-address", NULL);
1385         if (paddr == NULL)
1386                 paddr = of_get_property(tas_node, "reg", NULL);
1387         if (paddr)
1388                 mix->i2c.addr = (*paddr) >> 1;
1389         else
1390                 mix->i2c.addr = TAS_I2C_ADDR;
1391         of_node_put(tas_node);
1392
1393         DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1394
1395         if (chip->model == PMAC_TUMBLER) {
1396                 mix->i2c.init_client = tumbler_init_client;
1397                 mix->i2c.name = "TAS3001c";
1398                 chipname = "Tumbler";
1399         } else {
1400                 mix->i2c.init_client = snapper_init_client;
1401                 mix->i2c.name = "TAS3004";
1402                 chipname = "Snapper";
1403         }
1404
1405         if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1406                 return err;
1407
1408         /*
1409          * build mixers
1410          */
1411         sprintf(chip->card->mixername, "PowerMac %s", chipname);
1412
1413         if (chip->model == PMAC_TUMBLER) {
1414                 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1415                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1416                                 return err;
1417                 }
1418         } else {
1419                 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1420                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1421                                 return err;
1422                 }
1423         }
1424         chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1425         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1426                 return err;
1427         chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1428         if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1429                 return err;
1430         if (mix->line_mute.addr != 0) {
1431                 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1432                 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1433                         return err;
1434         }
1435         chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1436         if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1437                 return err;
1438
1439         /* set initial DRC range to 60% */
1440         if (chip->model == PMAC_TUMBLER)
1441                 mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1442         else
1443                 mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1444         mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1445         if (chip->model == PMAC_TUMBLER)
1446                 tumbler_set_drc(mix);
1447         else
1448                 snapper_set_drc(mix);
1449
1450 #ifdef CONFIG_PM
1451         chip->suspend = tumbler_suspend;
1452         chip->resume = tumbler_resume;
1453 #endif
1454
1455         INIT_WORK(&device_change, device_change_handler);
1456         device_change_chip = chip;
1457
1458 #ifdef PMAC_SUPPORT_AUTOMUTE
1459         if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1460             && (err = snd_pmac_add_automute(chip)) < 0)
1461                 return err;
1462         chip->detect_headphone = tumbler_detect_headphone;
1463         chip->update_automute = tumbler_update_automute;
1464         tumbler_update_automute(chip, 0); /* update the status only */
1465
1466         /* activate headphone status interrupts */
1467         if (mix->headphone_irq >= 0) {
1468                 unsigned char val;
1469                 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1470                                        "Sound Headphone Detection", chip)) < 0)
1471                         return 0;
1472                 /* activate headphone status interrupts */
1473                 val = do_gpio_read(&mix->hp_detect);
1474                 do_gpio_write(&mix->hp_detect, val | 0x80);
1475         }
1476         if (mix->lineout_irq >= 0) {
1477                 unsigned char val;
1478                 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1479                                        "Sound Lineout Detection", chip)) < 0)
1480                         return 0;
1481                 /* activate headphone status interrupts */
1482                 val = do_gpio_read(&mix->line_detect);
1483                 do_gpio_write(&mix->line_detect, val | 0x80);
1484         }
1485 #endif
1486
1487         return 0;
1488 }