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/i2c-dev.h>
  32 #include <linux/kmod.h>
  33 #include <linux/slab.h>
  34 #include <linux/interrupt.h>
  35 #include <sound/core.h>
  36 #include <asm/io.h>
  37 #include <asm/irq.h>
  38 #include <asm/machdep.h>
  39 #include <asm/pmac_feature.h>
  40 #include "pmac.h"
  41 #include "tumbler_volume.h"
  42
  43 #undef DEBUG
  44
  45 #ifdef DEBUG
  46 #define DBG(fmt...) printk(fmt)
  47 #else
  48 #define DBG(fmt...)
  49 #endif
  50
  51 /* i2c address for tumbler */
  52 #define TAS_I2C_ADDR    0x34
  53
  54 /* registers */
  55 #define TAS_REG_MCS     0x01    /* main control */
  56 #define TAS_REG_DRC     0x02
  57 #define TAS_REG_VOL     0x04
  58 #define TAS_REG_TREBLE  0x05
  59 #define TAS_REG_BASS    0x06
  60 #define TAS_REG_INPUT1  0x07
  61 #define TAS_REG_INPUT2  0x08
  62
  63 /* tas3001c */
  64 #define TAS_REG_PCM     TAS_REG_INPUT1
  65
  66 /* tas3004 */
  67 #define TAS_REG_LMIX    TAS_REG_INPUT1
  68 #define TAS_REG_RMIX    TAS_REG_INPUT2
  69 #define TAS_REG_MCS2    0x43            /* main control 2 */
  70 #define TAS_REG_ACS     0x40            /* analog control */
  71
  72 /* mono volumes for tas3001c/tas3004 */
  73 enum {
  74         VOL_IDX_PCM_MONO, /* tas3001c only */
  75         VOL_IDX_BASS, VOL_IDX_TREBLE,
  76         VOL_IDX_LAST_MONO
  77 };
  78
  79 /* stereo volumes for tas3004 */
  80 enum {
  81         VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
  82         VOL_IDX_LAST_MIX
  83 };
  84
  85 typedef struct pmac_gpio {
  86         unsigned int addr;
  87         u8 active_val;
  88         u8 inactive_val;
  89         u8 active_state;
  90 } pmac_gpio_t;
  91
  92 typedef struct pmac_tumbler_t {
  93         pmac_keywest_t i2c;
  94         pmac_gpio_t audio_reset;
  95         pmac_gpio_t amp_mute;
  96         pmac_gpio_t line_mute;
  97         pmac_gpio_t line_detect;
  98         pmac_gpio_t hp_mute;
  99         pmac_gpio_t hp_detect;
 100         int headphone_irq;
 101         int lineout_irq;
 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 } pmac_tumbler_t;
 115
 116
 117 /*
 118  */
 119
 120 static int send_init_client(pmac_keywest_t *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(pmac_keywest_t *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(pmac_keywest_t *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(pmac_gpio_t *gp, int active)
 176 {
 177         if (! gp->addr)
 178                 return;
 179         active = active ? gp->active_val : gp->inactive_val;
 180
 181         do_gpio_write(gp, active);
 182         DBG("(I) gpio %x write %d\n", gp->addr, active);
 183 }
 184
 185 static int read_audio_gpio(pmac_gpio_t *gp)
 186 {
 187         int ret;
 188         if (! gp->addr)
 189                 return 0;
 190         ret = ((do_gpio_read(gp) & 0x02) !=0);
 191         return ret == gp->active_state;
 192 }
 193
 194 /*
 195  * update master volume
 196  */
 197 static int tumbler_set_master_volume(pmac_tumbler_t *mix)
 198 {
 199         unsigned char block[6];
 200         unsigned int left_vol, right_vol;
 201
 202         if (! mix->i2c.client)
 203                 return -ENODEV;
 204
 205         if (! mix->master_switch[0])
 206                 left_vol = 0;
 207         else {
 208                 left_vol = mix->master_vol[0];
 209                 if (left_vol >= ARRAY_SIZE(master_volume_table))
 210                         left_vol = ARRAY_SIZE(master_volume_table) - 1;
 211                 left_vol = master_volume_table[left_vol];
 212         }
 213         if (! mix->master_switch[1])
 214                 right_vol = 0;
 215         else {
 216                 right_vol = mix->master_vol[1];
 217                 if (right_vol >= ARRAY_SIZE(master_volume_table))
 218                         right_vol = ARRAY_SIZE(master_volume_table) - 1;
 219                 right_vol = master_volume_table[right_vol];
 220         }
 221
 222         block[0] = (left_vol >> 16) & 0xff;
 223         block[1] = (left_vol >> 8)  & 0xff;
 224         block[2] = (left_vol >> 0)  & 0xff;
 225
 226         block[3] = (right_vol >> 16) & 0xff;
 227         block[4] = (right_vol >> 8)  & 0xff;
 228         block[5] = (right_vol >> 0)  & 0xff;
 229
 230         if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_VOL,
 231                                        6, block) < 0) {
 232                 snd_printk("failed to set volume \n");
 233                 return -EINVAL;
 234         }
 235         return 0;
 236 }
 237
 238
 239 /* output volume */
 240 static int tumbler_info_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 241 {
 242         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 243         uinfo->count = 2;
 244         uinfo->value.integer.min = 0;
 245         uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
 246         return 0;
 247 }
 248
 249 static int tumbler_get_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 250 {
 251         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 252         pmac_tumbler_t *mix = chip->mixer_data;
 253         snd_assert(mix, return -ENODEV);
 254         ucontrol->value.integer.value[0] = mix->master_vol[0];
 255         ucontrol->value.integer.value[1] = mix->master_vol[1];
 256         return 0;
 257 }
 258
 259 static int tumbler_put_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 260 {
 261         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 262         pmac_tumbler_t *mix = chip->mixer_data;
 263         int change;
 264
 265         snd_assert(mix, return -ENODEV);
 266         change = mix->master_vol[0] != ucontrol->value.integer.value[0] ||
 267                 mix->master_vol[1] != ucontrol->value.integer.value[1];
 268         if (change) {
 269                 mix->master_vol[0] = ucontrol->value.integer.value[0];
 270                 mix->master_vol[1] = ucontrol->value.integer.value[1];
 271                 tumbler_set_master_volume(mix);
 272         }
 273         return change;
 274 }
 275
 276 /* output switch */
 277 static int tumbler_get_master_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 278 {
 279         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 280         pmac_tumbler_t *mix = chip->mixer_data;
 281         snd_assert(mix, return -ENODEV);
 282         ucontrol->value.integer.value[0] = mix->master_switch[0];
 283         ucontrol->value.integer.value[1] = mix->master_switch[1];
 284         return 0;
 285 }
 286
 287 static int tumbler_put_master_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 288 {
 289         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 290         pmac_tumbler_t *mix = chip->mixer_data;
 291         int change;
 292
 293         snd_assert(mix, return -ENODEV);
 294         change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
 295                 mix->master_switch[1] != ucontrol->value.integer.value[1];
 296         if (change) {
 297                 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
 298                 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
 299                 tumbler_set_master_volume(mix);
 300         }
 301         return change;
 302 }
 303
 304
 305 /*
 306  * TAS3001c dynamic range compression
 307  */
 308
 309 #define TAS3001_DRC_MAX         0x5f
 310
 311 static int tumbler_set_drc(pmac_tumbler_t *mix)
 312 {
 313         unsigned char val[2];
 314
 315         if (! mix->i2c.client)
 316                 return -ENODEV;
 317
 318         if (mix->drc_enable) {
 319                 val[0] = 0xc1; /* enable, 3:1 compression */
 320                 if (mix->drc_range > TAS3001_DRC_MAX)
 321                         val[1] = 0xf0;
 322                 else if (mix->drc_range < 0)
 323                         val[1] = 0x91;
 324                 else
 325                         val[1] = mix->drc_range + 0x91;
 326         } else {
 327                 val[0] = 0;
 328                 val[1] = 0;
 329         }
 330
 331         if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_DRC,
 332                                        2, val) < 0) {
 333                 snd_printk("failed to set DRC\n");
 334                 return -EINVAL;
 335         }
 336         return 0;
 337 }
 338
 339 /*
 340  * TAS3004
 341  */
 342
 343 #define TAS3004_DRC_MAX         0xef
 344
 345 static int snapper_set_drc(pmac_tumbler_t *mix)
 346 {
 347         unsigned char val[6];
 348
 349         if (! mix->i2c.client)
 350                 return -ENODEV;
 351
 352         if (mix->drc_enable)
 353                 val[0] = 0x50; /* 3:1 above threshold */
 354         else
 355                 val[0] = 0x51; /* disabled */
 356         val[1] = 0x02; /* 1:1 below threshold */
 357         if (mix->drc_range > 0xef)
 358                 val[2] = 0xef;
 359         else if (mix->drc_range < 0)
 360                 val[2] = 0x00;
 361         else
 362                 val[2] = mix->drc_range;
 363         val[3] = 0xb0;
 364         val[4] = 0x60;
 365         val[5] = 0xa0;
 366
 367         if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_DRC,
 368                                        6, val) < 0) {
 369                 snd_printk("failed to set DRC\n");
 370                 return -EINVAL;
 371         }
 372         return 0;
 373 }
 374
 375 static int tumbler_info_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 376 {
 377         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 378         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 379         uinfo->count = 1;
 380         uinfo->value.integer.min = 0;
 381         uinfo->value.integer.max =
 382                 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
 383         return 0;
 384 }
 385
 386 static int tumbler_get_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 387 {
 388         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 389         pmac_tumbler_t *mix;
 390         if (! (mix = chip->mixer_data))
 391                 return -ENODEV;
 392         ucontrol->value.integer.value[0] = mix->drc_range;
 393         return 0;
 394 }
 395
 396 static int tumbler_put_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 397 {
 398         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 399         pmac_tumbler_t *mix;
 400         int change;
 401
 402         if (! (mix = chip->mixer_data))
 403                 return -ENODEV;
 404         change = mix->drc_range != ucontrol->value.integer.value[0];
 405         if (change) {
 406                 mix->drc_range = ucontrol->value.integer.value[0];
 407                 if (chip->model == PMAC_TUMBLER)
 408                         tumbler_set_drc(mix);
 409                 else
 410                         snapper_set_drc(mix);
 411         }
 412         return change;
 413 }
 414
 415 static int tumbler_get_drc_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 416 {
 417         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 418         pmac_tumbler_t *mix;
 419         if (! (mix = chip->mixer_data))
 420                 return -ENODEV;
 421         ucontrol->value.integer.value[0] = mix->drc_enable;
 422         return 0;
 423 }
 424
 425 static int tumbler_put_drc_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 426 {
 427         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 428         pmac_tumbler_t *mix;
 429         int change;
 430
 431         if (! (mix = chip->mixer_data))
 432                 return -ENODEV;
 433         change = mix->drc_enable != ucontrol->value.integer.value[0];
 434         if (change) {
 435                 mix->drc_enable = !!ucontrol->value.integer.value[0];
 436                 if (chip->model == PMAC_TUMBLER)
 437                         tumbler_set_drc(mix);
 438                 else
 439                         snapper_set_drc(mix);
 440         }
 441         return change;
 442 }
 443
 444
 445 /*
 446  * mono volumes
 447  */
 448
 449 struct tumbler_mono_vol {
 450         int index;
 451         int reg;
 452         int bytes;
 453         unsigned int max;
 454         unsigned int *table;
 455 };
 456
 457 static int tumbler_set_mono_volume(pmac_tumbler_t *mix, struct tumbler_mono_vol *info)
 458 {
 459         unsigned char block[4];
 460         unsigned int vol;
 461         int i;
 462
 463         if (! mix->i2c.client)
 464                 return -ENODEV;
 465
 466         vol = mix->mono_vol[info->index];
 467         if (vol >= info->max)
 468                 vol = info->max - 1;
 469         vol = info->table[vol];
 470         for (i = 0; i < info->bytes; i++)
 471                 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
 472         if (i2c_smbus_write_block_data(mix->i2c.client, info->reg,
 473                                        info->bytes, block) < 0) {
 474                 snd_printk("failed to set mono volume %d\n", info->index);
 475                 return -EINVAL;
 476         }
 477         return 0;
 478 }
 479
 480 static int tumbler_info_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 481 {
 482         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 483
 484         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 485         uinfo->count = 1;
 486         uinfo->value.integer.min = 0;
 487         uinfo->value.integer.max = info->max - 1;
 488         return 0;
 489 }
 490
 491 static int tumbler_get_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 492 {
 493         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 494         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 495         pmac_tumbler_t *mix;
 496         if (! (mix = chip->mixer_data))
 497                 return -ENODEV;
 498         ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
 499         return 0;
 500 }
 501
 502 static int tumbler_put_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 503 {
 504         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 505         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 506         pmac_tumbler_t *mix;
 507         int change;
 508
 509         if (! (mix = chip->mixer_data))
 510                 return -ENODEV;
 511         change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0];
 512         if (change) {
 513                 mix->mono_vol[info->index] = ucontrol->value.integer.value[0];
 514                 tumbler_set_mono_volume(mix, info);
 515         }
 516         return change;
 517 }
 518
 519 /* TAS3001c mono volumes */
 520 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
 521         .index = VOL_IDX_PCM_MONO,
 522         .reg = TAS_REG_PCM,
 523         .bytes = 3,
 524         .max = ARRAY_SIZE(mixer_volume_table),
 525         .table = mixer_volume_table,
 526 };
 527
 528 static struct tumbler_mono_vol tumbler_bass_vol_info = {
 529         .index = VOL_IDX_BASS,
 530         .reg = TAS_REG_BASS,
 531         .bytes = 1,
 532         .max = ARRAY_SIZE(bass_volume_table),
 533         .table = bass_volume_table,
 534 };
 535
 536 static struct tumbler_mono_vol tumbler_treble_vol_info = {
 537         .index = VOL_IDX_TREBLE,
 538         .reg = TAS_REG_TREBLE,
 539         .bytes = 1,
 540         .max = ARRAY_SIZE(treble_volume_table),
 541         .table = treble_volume_table,
 542 };
 543
 544 /* TAS3004 mono volumes */
 545 static struct tumbler_mono_vol snapper_bass_vol_info = {
 546         .index = VOL_IDX_BASS,
 547         .reg = TAS_REG_BASS,
 548         .bytes = 1,
 549         .max = ARRAY_SIZE(snapper_bass_volume_table),
 550         .table = snapper_bass_volume_table,
 551 };
 552
 553 static struct tumbler_mono_vol snapper_treble_vol_info = {
 554         .index = VOL_IDX_TREBLE,
 555         .reg = TAS_REG_TREBLE,
 556         .bytes = 1,
 557         .max = ARRAY_SIZE(snapper_treble_volume_table),
 558         .table = snapper_treble_volume_table,
 559 };
 560
 561
 562 #define DEFINE_MONO(xname,type) { \
 563         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 564         .name = xname, \
 565         .info = tumbler_info_mono, \
 566         .get = tumbler_get_mono, \
 567         .put = tumbler_put_mono, \
 568         .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
 569 }
 570
 571 #define DEFINE_SNAPPER_MONO(xname,type) { \
 572         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 573         .name = xname, \
 574         .info = tumbler_info_mono, \
 575         .get = tumbler_get_mono, \
 576         .put = tumbler_put_mono, \
 577         .private_value = (unsigned long)(&snapper_##type##_vol_info), \
 578 }
 579
 580
 581 /*
 582  * snapper mixer volumes
 583  */
 584
 585 static int snapper_set_mix_vol1(pmac_tumbler_t *mix, int idx, int ch, int reg)
 586 {
 587         int i, j, vol;
 588         unsigned char block[9];
 589
 590         vol = mix->mix_vol[idx][ch];
 591         if (vol >= ARRAY_SIZE(mixer_volume_table)) {
 592                 vol = ARRAY_SIZE(mixer_volume_table) - 1;
 593                 mix->mix_vol[idx][ch] = vol;
 594         }
 595
 596         for (i = 0; i < 3; i++) {
 597                 vol = mix->mix_vol[i][ch];
 598                 vol = mixer_volume_table[vol];
 599                 for (j = 0; j < 3; j++)
 600                         block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
 601         }
 602         if (i2c_smbus_write_block_data(mix->i2c.client, reg, 9, block) < 0) {
 603                 snd_printk("failed to set mono volume %d\n", reg);
 604                 return -EINVAL;
 605         }
 606         return 0;
 607 }
 608
 609 static int snapper_set_mix_vol(pmac_tumbler_t *mix, int idx)
 610 {
 611         if (! mix->i2c.client)
 612                 return -ENODEV;
 613         if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
 614             snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
 615                 return -EINVAL;
 616         return 0;
 617 }
 618
 619 static int snapper_info_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 620 {
 621         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 622         uinfo->count = 2;
 623         uinfo->value.integer.min = 0;
 624         uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
 625         return 0;
 626 }
 627
 628 static int snapper_get_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 629 {
 630         int idx = (int)kcontrol->private_value;
 631         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 632         pmac_tumbler_t *mix;
 633         if (! (mix = chip->mixer_data))
 634                 return -ENODEV;
 635         ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
 636         ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
 637         return 0;
 638 }
 639
 640 static int snapper_put_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 641 {
 642         int idx = (int)kcontrol->private_value;
 643         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 644         pmac_tumbler_t *mix;
 645         int change;
 646
 647         if (! (mix = chip->mixer_data))
 648                 return -ENODEV;
 649         change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] ||
 650                 mix->mix_vol[idx][1] != ucontrol->value.integer.value[1];
 651         if (change) {
 652                 mix->mix_vol[idx][0] = ucontrol->value.integer.value[0];
 653                 mix->mix_vol[idx][1] = ucontrol->value.integer.value[1];
 654                 snapper_set_mix_vol(mix, idx);
 655         }
 656         return change;
 657 }
 658
 659
 660 /*
 661  * mute switches. FIXME: Turn that into software mute when both outputs are muted
 662  * to avoid codec reset on ibook M7
 663  */
 664
 665 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
 666
 667 static int tumbler_get_mute_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 668 {
 669         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 670         pmac_tumbler_t *mix;
 671         pmac_gpio_t *gp;
 672         if (! (mix = chip->mixer_data))
 673                 return -ENODEV;
 674         switch(kcontrol->private_value) {
 675         case TUMBLER_MUTE_HP:
 676                 gp = &mix->hp_mute;     break;
 677         case TUMBLER_MUTE_AMP:
 678                 gp = &mix->amp_mute;    break;
 679         case TUMBLER_MUTE_LINE:
 680                 gp = &mix->line_mute;   break;
 681         default:
 682                 gp = NULL;
 683         }
 684         if (gp == NULL)
 685                 return -EINVAL;
 686         ucontrol->value.integer.value[0] = ! read_audio_gpio(gp);
 687         return 0;
 688 }
 689
 690 static int tumbler_put_mute_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 691 {
 692         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 693         pmac_tumbler_t *mix;
 694         pmac_gpio_t *gp;
 695         int val;
 696 #ifdef PMAC_SUPPORT_AUTOMUTE
 697         if (chip->update_automute && chip->auto_mute)
 698                 return 0; /* don't touch in the auto-mute mode */
 699 #endif
 700         if (! (mix = chip->mixer_data))
 701                 return -ENODEV;
 702         switch(kcontrol->private_value) {
 703         case TUMBLER_MUTE_HP:
 704                 gp = &mix->hp_mute;     break;
 705         case TUMBLER_MUTE_AMP:
 706                 gp = &mix->amp_mute;    break;
 707         case TUMBLER_MUTE_LINE:
 708                 gp = &mix->line_mute;   break;
 709         default:
 710                 gp = NULL;
 711         }
 712         if (gp == NULL)
 713                 return -EINVAL;
 714         val = ! read_audio_gpio(gp);
 715         if (val != ucontrol->value.integer.value[0]) {
 716                 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
 717                 return 1;
 718         }
 719         return 0;
 720 }
 721
 722 static int snapper_set_capture_source(pmac_tumbler_t *mix)
 723 {
 724         if (! mix->i2c.client)
 725                 return -ENODEV;
 726         if (mix->capture_source)
 727                 mix->acs = mix->acs |= 2;
 728         else
 729                 mix->acs &= ~2;
 730         return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
 731 }
 732
 733 static int snapper_info_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 734 {
 735         static char *texts[2] = {
 736                 "Line", "Mic"
 737         };
 738         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 739         uinfo->count = 1;
 740         uinfo->value.enumerated.items = 2;
 741         if (uinfo->value.enumerated.item > 1)
 742                 uinfo->value.enumerated.item = 1;
 743         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 744         return 0;
 745 }
 746
 747 static int snapper_get_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 748 {
 749         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 750         pmac_tumbler_t *mix = chip->mixer_data;
 751
 752         snd_assert(mix, return -ENODEV);
 753         ucontrol->value.integer.value[0] = mix->capture_source;
 754         return 0;
 755 }
 756
 757 static int snapper_put_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 758 {
 759         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 760         pmac_tumbler_t *mix = chip->mixer_data;
 761         int change;
 762
 763         snd_assert(mix, return -ENODEV);
 764         change = ucontrol->value.integer.value[0] != mix->capture_source;
 765         if (change) {
 766                 mix->capture_source = !!ucontrol->value.integer.value[0];
 767                 snapper_set_capture_source(mix);
 768         }
 769         return change;
 770 }
 771
 772 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
 773         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 774         .name = xname, \
 775         .info = snapper_info_mix, \
 776         .get = snapper_get_mix, \
 777         .put = snapper_put_mix, \
 778         .index = idx,\
 779         .private_value = ofs, \
 780 }
 781
 782
 783 /*
 784  */
 785 static snd_kcontrol_new_t tumbler_mixers[] __initdata = {
 786         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 787           .name = "Master Playback Volume",
 788           .info = tumbler_info_master_volume,
 789           .get = tumbler_get_master_volume,
 790           .put = tumbler_put_master_volume
 791         },
 792         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 793           .name = "Master Playback Switch",
 794           .info = snd_pmac_boolean_stereo_info,
 795           .get = tumbler_get_master_switch,
 796           .put = tumbler_put_master_switch
 797         },
 798         DEFINE_MONO("Tone Control - Bass", bass),
 799         DEFINE_MONO("Tone Control - Treble", treble),
 800         DEFINE_MONO("PCM Playback Volume", pcm),
 801         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 802           .name = "DRC Range",
 803           .info = tumbler_info_drc_value,
 804           .get = tumbler_get_drc_value,
 805           .put = tumbler_put_drc_value
 806         },
 807 };
 808
 809 static snd_kcontrol_new_t snapper_mixers[] __initdata = {
 810         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 811           .name = "Master Playback Volume",
 812           .info = tumbler_info_master_volume,
 813           .get = tumbler_get_master_volume,
 814           .put = tumbler_put_master_volume
 815         },
 816         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 817           .name = "Master Playback Switch",
 818           .info = snd_pmac_boolean_stereo_info,
 819           .get = tumbler_get_master_switch,
 820           .put = tumbler_put_master_switch
 821         },
 822         DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
 823         DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2),
 824         DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 825         DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 826         DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
 827         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 828           .name = "DRC Range",
 829           .info = tumbler_info_drc_value,
 830           .get = tumbler_get_drc_value,
 831           .put = tumbler_put_drc_value
 832         },
 833         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 834           .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
 835           .info = snapper_info_capture_source,
 836           .get = snapper_get_capture_source,
 837           .put = snapper_put_capture_source
 838         },
 839 };
 840
 841 static snd_kcontrol_new_t tumbler_hp_sw __initdata = {
 842         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 843         .name = "Headphone Playback Switch",
 844         .info = snd_pmac_boolean_mono_info,
 845         .get = tumbler_get_mute_switch,
 846         .put = tumbler_put_mute_switch,
 847         .private_value = TUMBLER_MUTE_HP,
 848 };
 849 static snd_kcontrol_new_t tumbler_speaker_sw __initdata = {
 850         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 851         .name = "PC Speaker Playback Switch",
 852         .info = snd_pmac_boolean_mono_info,
 853         .get = tumbler_get_mute_switch,
 854         .put = tumbler_put_mute_switch,
 855         .private_value = TUMBLER_MUTE_AMP,
 856 };
 857 static snd_kcontrol_new_t tumbler_lineout_sw __initdata = {
 858         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 859         .name = "Line Out Playback Switch",
 860         .info = snd_pmac_boolean_mono_info,
 861         .get = tumbler_get_mute_switch,
 862         .put = tumbler_put_mute_switch,
 863         .private_value = TUMBLER_MUTE_LINE,
 864 };
 865 static snd_kcontrol_new_t tumbler_drc_sw __initdata = {
 866         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 867         .name = "DRC Switch",
 868         .info = snd_pmac_boolean_mono_info,
 869         .get = tumbler_get_drc_switch,
 870         .put = tumbler_put_drc_switch
 871 };
 872
 873
 874 #ifdef PMAC_SUPPORT_AUTOMUTE
 875 /*
 876  * auto-mute stuffs
 877  */
 878 static int tumbler_detect_headphone(pmac_t *chip)
 879 {
 880         pmac_tumbler_t *mix = chip->mixer_data;
 881         int detect = 0;
 882
 883         if (mix->hp_detect.addr)
 884                 detect |= read_audio_gpio(&mix->hp_detect);
 885         return detect;
 886 }
 887
 888 static int tumbler_detect_lineout(pmac_t *chip)
 889 {
 890         pmac_tumbler_t *mix = chip->mixer_data;
 891         int detect = 0;
 892
 893         if (mix->line_detect.addr)
 894                 detect |= read_audio_gpio(&mix->line_detect);
 895         return detect;
 896 }
 897
 898 static void check_mute(pmac_t *chip, pmac_gpio_t *gp, int val, int do_notify, snd_kcontrol_t *sw)
 899 {
 900         //pmac_tumbler_t *mix = chip->mixer_data;
 901         if (val != read_audio_gpio(gp)) {
 902                 write_audio_gpio(gp, val);
 903                 if (do_notify)
 904                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &sw->id);
 905         }
 906 }
 907
 908 static struct work_struct device_change;
 909
 910 static void device_change_handler(void *self)
 911 {
 912         pmac_t *chip = (pmac_t*) self;
 913         pmac_tumbler_t *mix;
 914         int headphone, lineout;
 915
 916         if (!chip)
 917                 return;
 918
 919         mix = chip->mixer_data;
 920         snd_assert(mix, return);
 921
 922         headphone = tumbler_detect_headphone(chip);
 923         lineout = tumbler_detect_lineout(chip);
 924
 925         DBG("headphone: %d, lineout: %d\n", headphone, lineout);
 926
 927         if (headphone || lineout) {
 928                 /* unmute headphone/lineout & mute speaker */
 929                 if (headphone)
 930                         check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
 931                                    chip->master_sw_ctl);
 932                 if (lineout && mix->line_mute.addr != 0)
 933                         check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
 934                                    chip->lineout_sw_ctl);
 935                 if (mix->anded_reset)
 936                         big_mdelay(10);
 937                 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
 938                            chip->speaker_sw_ctl);
 939                 mix->drc_enable = 0;
 940         } else {
 941                 /* unmute speaker, mute others */
 942                 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
 943                            chip->speaker_sw_ctl);
 944                 if (mix->anded_reset)
 945                         big_mdelay(10);
 946                 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
 947                            chip->master_sw_ctl);
 948                 if (mix->line_mute.addr != 0)
 949                         check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
 950                                    chip->lineout_sw_ctl);
 951                 mix->drc_enable = 1;
 952         }
 953         if (mix->auto_mute_notify) {
 954                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 955                                        &chip->hp_detect_ctl->id);
 956                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 957                                &chip->drc_sw_ctl->id);
 958         }
 959
 960         /* first set the DRC so the speaker do not explode -ReneR */
 961         if (chip->model == PMAC_TUMBLER)
 962                 tumbler_set_drc(mix);
 963         else
 964                 snapper_set_drc(mix);
 965
 966         /* reset the master volume so the correct amplification is applied */
 967         tumbler_set_master_volume(mix);
 968 }
 969
 970 static void tumbler_update_automute(pmac_t *chip, int do_notify)
 971 {
 972         if (chip->auto_mute) {
 973                 pmac_tumbler_t *mix;
 974                 mix = chip->mixer_data;
 975                 snd_assert(mix, return);
 976                 mix->auto_mute_notify = do_notify;
 977                 schedule_work(&device_change);
 978         }
 979 }
 980 #endif /* PMAC_SUPPORT_AUTOMUTE */
 981
 982
 983 /* interrupt - headphone plug changed */
 984 static irqreturn_t headphone_intr(int irq, void *devid, struct pt_regs *regs)
 985 {
 986         pmac_t *chip = devid;
 987         if (chip->update_automute && chip->initialized) {
 988                 chip->update_automute(chip, 1);
 989                 return IRQ_HANDLED;
 990         }
 991         return IRQ_NONE;
 992 }
 993
 994 /* look for audio-gpio device */
 995 static struct device_node *find_audio_device(const char *name)
 996 {
 997         struct device_node *np;
 998
 999         if (! (np = find_devices("gpio")))
1000                 return NULL;
1001
1002         for (np = np->child; np; np = np->sibling) {
1003                 char *property = get_property(np, "audio-gpio", NULL);
1004                 if (property && strcmp(property, name) == 0)
1005                         return np;
1006         }
1007         return NULL;
1008 }
1009
1010 /* look for audio-gpio device */
1011 static struct device_node *find_compatible_audio_device(const char *name)
1012 {
1013         struct device_node *np;
1014
1015         if (! (np = find_devices("gpio")))
1016                 return NULL;
1017
1018         for (np = np->child; np; np = np->sibling) {
1019                 if (device_is_compatible(np, name))
1020                         return np;
1021         }
1022         return NULL;
1023 }
1024
1025 /* find an audio device and get its address */
1026 static long tumbler_find_device(const char *device, const char *platform, pmac_gpio_t *gp, int is_compatible)
1027 {
1028         struct device_node *node;
1029         u32 *base, addr;
1030
1031         if (is_compatible)
1032                 node = find_compatible_audio_device(device);
1033         else
1034                 node = find_audio_device(device);
1035         if (! node) {
1036                 DBG("(W) cannot find audio device %s !\n", device);
1037                 snd_printdd("cannot find device %s\n", device);
1038                 return -ENODEV;
1039         }
1040
1041         base = (u32 *)get_property(node, "AAPL,address", NULL);
1042         if (! base) {
1043                 base = (u32 *)get_property(node, "reg", NULL);
1044                 if (!base) {
1045                         DBG("(E) cannot find address for device %s !\n", device);
1046                         snd_printd("cannot find address for device %s\n", device);
1047                         return -ENODEV;
1048                 }
1049                 addr = *base;
1050                 if (addr < 0x50)
1051                         addr += 0x50;
1052         } else
1053                 addr = *base;
1054
1055         gp->addr = addr & 0x0000ffff;
1056         /* Try to find the active state, default to 0 ! */
1057         base = (u32 *)get_property(node, "audio-gpio-active-state", NULL);
1058         if (base) {
1059                 gp->active_state = *base;
1060                 gp->active_val = (*base) ? 0x5 : 0x4;
1061                 gp->inactive_val = (*base) ? 0x4 : 0x5;
1062         } else {
1063                 u32 *prop = NULL;
1064                 gp->active_state = 0;
1065                 gp->active_val = 0x4;
1066                 gp->inactive_val = 0x5;
1067                 /* Here are some crude hacks to extract the GPIO polarity and
1068                  * open collector informations out of the do-platform script
1069                  * as we don't yet have an interpreter for these things
1070                  */
1071                 if (platform)
1072                         prop = (u32 *)get_property(node, platform, NULL);
1073                 if (prop) {
1074                         if (prop[3] == 0x9 && prop[4] == 0x9) {
1075                                 gp->active_val = 0xd;
1076                                 gp->inactive_val = 0xc;
1077                         }
1078                         if (prop[3] == 0x1 && prop[4] == 0x1) {
1079                                 gp->active_val = 0x5;
1080                                 gp->inactive_val = 0x4;
1081                         }
1082                 }
1083         }
1084
1085         DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1086             device, gp->addr, gp->active_state);
1087
1088         return (node->n_intrs > 0) ? node->intrs[0].line : 0;
1089 }
1090
1091 /* reset audio */
1092 static void tumbler_reset_audio(pmac_t *chip)
1093 {
1094         pmac_tumbler_t *mix = chip->mixer_data;
1095
1096         if (mix->anded_reset) {
1097                 DBG("(I) codec anded reset !\n");
1098                 write_audio_gpio(&mix->hp_mute, 0);
1099                 write_audio_gpio(&mix->amp_mute, 0);
1100                 big_mdelay(200);
1101                 write_audio_gpio(&mix->hp_mute, 1);
1102                 write_audio_gpio(&mix->amp_mute, 1);
1103                 big_mdelay(100);
1104                 write_audio_gpio(&mix->hp_mute, 0);
1105                 write_audio_gpio(&mix->amp_mute, 0);
1106                 big_mdelay(100);
1107         } else {
1108                 DBG("(I) codec normal reset !\n");
1109
1110                 write_audio_gpio(&mix->audio_reset, 0);
1111                 big_mdelay(200);
1112                 write_audio_gpio(&mix->audio_reset, 1);
1113                 big_mdelay(100);
1114                 write_audio_gpio(&mix->audio_reset, 0);
1115                 big_mdelay(100);
1116         }
1117 }
1118
1119 #ifdef CONFIG_PMAC_PBOOK
1120 /* suspend mixer */
1121 static void tumbler_suspend(pmac_t *chip)
1122 {
1123         pmac_tumbler_t *mix = chip->mixer_data;
1124
1125         if (mix->headphone_irq >= 0)
1126                 disable_irq(mix->headphone_irq);
1127         if (mix->lineout_irq >= 0)
1128                 disable_irq(mix->lineout_irq);
1129         mix->save_master_switch[0] = mix->master_switch[0];
1130         mix->save_master_switch[1] = mix->master_switch[1];
1131         mix->master_switch[0] = mix->master_switch[1] = 0;
1132         tumbler_set_master_volume(mix);
1133         if (!mix->anded_reset) {
1134                 write_audio_gpio(&mix->amp_mute, 1);
1135                 write_audio_gpio(&mix->hp_mute, 1);
1136         }
1137         if (chip->model == PMAC_SNAPPER) {
1138                 mix->acs |= 1;
1139                 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1140         }
1141         if (mix->anded_reset) {
1142                 write_audio_gpio(&mix->amp_mute, 1);
1143                 write_audio_gpio(&mix->hp_mute, 1);
1144         } else
1145                 write_audio_gpio(&mix->audio_reset, 1);
1146 }
1147
1148 /* resume mixer */
1149 static void tumbler_resume(pmac_t *chip)
1150 {
1151         pmac_tumbler_t *mix = chip->mixer_data;
1152
1153         snd_assert(mix, return);
1154
1155         mix->acs &= ~1;
1156         mix->master_switch[0] = mix->save_master_switch[0];
1157         mix->master_switch[1] = mix->save_master_switch[1];
1158         tumbler_reset_audio(chip);
1159         if (mix->i2c.client && mix->i2c.init_client) {
1160                 if (mix->i2c.init_client(&mix->i2c) < 0)
1161                         printk(KERN_ERR "tumbler_init_client error\n");
1162         } else
1163                 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1164         if (chip->model == PMAC_TUMBLER) {
1165                 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1166                 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1167                 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1168                 tumbler_set_drc(mix);
1169         } else {
1170                 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1171                 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1172                 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1173                 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1174                 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1175                 snapper_set_drc(mix);
1176                 snapper_set_capture_source(mix);
1177         }
1178         tumbler_set_master_volume(mix);
1179         if (chip->update_automute)
1180                 chip->update_automute(chip, 0);
1181         if (mix->headphone_irq >= 0)
1182                 enable_irq(mix->headphone_irq);
1183         if (mix->lineout_irq >= 0)
1184                 enable_irq(mix->lineout_irq);
1185 }
1186 #endif
1187
1188 /* initialize tumbler */
1189 static int __init tumbler_init(pmac_t *chip)
1190 {
1191         int irq;
1192         pmac_tumbler_t *mix = chip->mixer_data;
1193         snd_assert(mix, return -EINVAL);
1194
1195         if (tumbler_find_device("audio-hw-reset",
1196                                 "platform-do-hw-reset",
1197                                 &mix->audio_reset, 0) < 0)
1198                 tumbler_find_device("hw-reset",
1199                                     "platform-do-hw-reset",
1200                                     &mix->audio_reset, 1);
1201         if (tumbler_find_device("amp-mute",
1202                                 "platform-do-amp-mute",
1203                                 &mix->amp_mute, 0) < 0)
1204                 tumbler_find_device("amp-mute",
1205                                     "platform-do-amp-mute",
1206                                     &mix->amp_mute, 1);
1207         if (tumbler_find_device("headphone-mute",
1208                                 "platform-do-headphone-mute",
1209                                 &mix->hp_mute, 0) < 0)
1210                 tumbler_find_device("headphone-mute",
1211                                     "platform-do-headphone-mute",
1212                                     &mix->hp_mute, 1);
1213         if (tumbler_find_device("line-output-mute",
1214                                 "platform-do-lineout-mute",
1215                                 &mix->line_mute, 0) < 0)
1216                 tumbler_find_device("line-output-mute",
1217                                    "platform-do-lineout-mute",
1218                                     &mix->line_mute, 1);
1219         irq = tumbler_find_device("headphone-detect",
1220                                   NULL, &mix->hp_detect, 0);
1221         if (irq < 0)
1222                 irq = tumbler_find_device("headphone-detect",
1223                                           NULL, &mix->hp_detect, 1);
1224         if (irq < 0)
1225                 irq = tumbler_find_device("keywest-gpio15",
1226                                           NULL, &mix->hp_detect, 1);
1227         mix->headphone_irq = irq;
1228         irq = tumbler_find_device("line-output-detect",
1229                                   NULL, &mix->line_detect, 0);
1230         if (irq < 0)
1231                 irq = tumbler_find_device("line-output-detect",
1232                                           NULL, &mix->line_detect, 1);
1233         mix->lineout_irq = irq;
1234
1235         tumbler_reset_audio(chip);
1236
1237         return 0;
1238 }
1239
1240 static void tumbler_cleanup(pmac_t *chip)
1241 {
1242         pmac_tumbler_t *mix = chip->mixer_data;
1243         if (! mix)
1244                 return;
1245
1246         if (mix->headphone_irq >= 0)
1247                 free_irq(mix->headphone_irq, chip);
1248         if (mix->lineout_irq >= 0)
1249                 free_irq(mix->lineout_irq, chip);
1250         tumbler_gpio_free(&mix->audio_reset);
1251         tumbler_gpio_free(&mix->amp_mute);
1252         tumbler_gpio_free(&mix->hp_mute);
1253         tumbler_gpio_free(&mix->hp_detect);
1254         snd_pmac_keywest_cleanup(&mix->i2c);
1255         kfree(mix);
1256         chip->mixer_data = NULL;
1257 }
1258
1259 /* exported */
1260 int __init snd_pmac_tumbler_init(pmac_t *chip)
1261 {
1262         int i, err;
1263         pmac_tumbler_t *mix;
1264         u32 *paddr;
1265         struct device_node *tas_node, *np;
1266         char *chipname;
1267
1268 #ifdef CONFIG_KMOD
1269         if (current->fs->root)
1270                 request_module("i2c-keywest");
1271 #endif /* CONFIG_KMOD */
1272
1273         mix = kmalloc(sizeof(*mix), GFP_KERNEL);
1274         if (! mix)
1275                 return -ENOMEM;
1276         memset(mix, 0, sizeof(*mix));
1277         mix->headphone_irq = -1;
1278
1279         chip->mixer_data = mix;
1280         chip->mixer_free = tumbler_cleanup;
1281         mix->anded_reset = 0;
1282         mix->reset_on_sleep = 1;
1283
1284         for (np = chip->node->child; np; np = np->sibling) {
1285                 if (!strcmp(np->name, "sound")) {
1286                         if (get_property(np, "has-anded-reset", NULL))
1287                                 mix->anded_reset = 1;
1288                         if (get_property(np, "layout-id", NULL))
1289                                 mix->reset_on_sleep = 0;
1290                         break;
1291                 }
1292         }
1293         if ((err = tumbler_init(chip)) < 0)
1294                 return err;
1295
1296         /* set up TAS */
1297         tas_node = find_devices("deq");
1298         if (tas_node == NULL)
1299                 tas_node = find_devices("codec");
1300         if (tas_node == NULL)
1301                 return -ENODEV;
1302
1303         paddr = (u32 *)get_property(tas_node, "i2c-address", NULL);
1304         if (paddr == NULL)
1305                 paddr = (u32 *)get_property(tas_node, "reg", NULL);
1306         if (paddr)
1307                 mix->i2c.addr = (*paddr) >> 1;
1308         else
1309                 mix->i2c.addr = TAS_I2C_ADDR;
1310
1311         DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1312
1313         if (chip->model == PMAC_TUMBLER) {
1314                 mix->i2c.init_client = tumbler_init_client;
1315                 mix->i2c.name = "TAS3001c";
1316                 chipname = "Tumbler";
1317         } else {
1318                 mix->i2c.init_client = snapper_init_client;
1319                 mix->i2c.name = "TAS3004";
1320                 chipname = "Snapper";
1321         }
1322
1323         if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1324                 return err;
1325
1326         /*
1327          * build mixers
1328          */
1329         sprintf(chip->card->mixername, "PowerMac %s", chipname);
1330
1331         if (chip->model == PMAC_TUMBLER) {
1332                 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1333                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1334                                 return err;
1335                 }
1336         } else {
1337                 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1338                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1339                                 return err;
1340                 }
1341         }
1342         chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1343         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1344                 return err;
1345         chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1346         if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1347                 return err;
1348         if (mix->line_mute.addr != 0) {
1349                 chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1350                 if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1351                         return err;
1352         }
1353         chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1354         if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1355                 return err;
1356
1357 #ifdef CONFIG_PMAC_PBOOK
1358         chip->suspend = tumbler_suspend;
1359         chip->resume = tumbler_resume;
1360 #endif
1361
1362         INIT_WORK(&device_change, device_change_handler, (void *)chip);
1363
1364 #ifdef PMAC_SUPPORT_AUTOMUTE
1365         if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1366             && (err = snd_pmac_add_automute(chip)) < 0)
1367                 return err;
1368         chip->detect_headphone = tumbler_detect_headphone;
1369         chip->update_automute = tumbler_update_automute;
1370         tumbler_update_automute(chip, 0); /* update the status only */
1371
1372         /* activate headphone status interrupts */
1373         if (mix->headphone_irq >= 0) {
1374                 unsigned char val;
1375                 if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1376                                        "Sound Headphone Detection", chip)) < 0)
1377                         return 0;
1378                 /* activate headphone status interrupts */
1379                 val = do_gpio_read(&mix->hp_detect);
1380                 do_gpio_write(&mix->hp_detect, val | 0x80);
1381         }
1382         if (mix->lineout_irq >= 0) {
1383                 unsigned char val;
1384                 if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1385                                        "Sound Lineout Detection", chip)) < 0)
1386                         return 0;
1387                 /* activate headphone status interrupts */
1388                 val = do_gpio_read(&mix->line_detect);
1389                 do_gpio_write(&mix->line_detect, val | 0x80);
1390         }
1391 #endif
1392
1393         return 0;
1394 }