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