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 #ifdef CONFIG_PPC_HAS_FEATURE_CALLS
  39 #include <asm/pmac_feature.h>
  40 #else
  41 #error old crap
  42 #endif
  43 #include "pmac.h"
  44 #include "tumbler_volume.h"
  45
  46 /* i2c address for tumbler */
  47 #define TAS_I2C_ADDR    0x34
  48
  49 /* registers */
  50 #define TAS_REG_MCS     0x01    /* main control */
  51 #define TAS_REG_DRC     0x02
  52 #define TAS_REG_VOL     0x04
  53 #define TAS_REG_TREBLE  0x05
  54 #define TAS_REG_BASS    0x06
  55 #define TAS_REG_INPUT1  0x07
  56 #define TAS_REG_INPUT2  0x08
  57
  58 /* tas3001c */
  59 #define TAS_REG_PCM     TAS_REG_INPUT1
  60
  61 /* tas3004 */
  62 #define TAS_REG_LMIX    TAS_REG_INPUT1
  63 #define TAS_REG_RMIX    TAS_REG_INPUT2
  64 #define TAS_REG_MCS2    0x43            /* main control 2 */
  65 #define TAS_REG_ACS     0x40            /* analog control */
  66
  67 /* mono volumes for tas3001c/tas3004 */
  68 enum {
  69         VOL_IDX_PCM_MONO, /* tas3001c only */
  70         VOL_IDX_BASS, VOL_IDX_TREBLE,
  71         VOL_IDX_LAST_MONO
  72 };
  73
  74 /* stereo volumes for tas3004 */
  75 enum {
  76         VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
  77         VOL_IDX_LAST_MIX
  78 };
  79
  80 typedef struct pmac_gpio {
  81 #ifdef CONFIG_PPC_HAS_FEATURE_CALLS
  82         unsigned int addr;
  83 #else
  84         void __iomem *addr;
  85 #endif
  86         int active_state;
  87 } pmac_gpio_t;
  88
  89 typedef struct pmac_tumbler_t {
  90         pmac_keywest_t i2c;
  91         pmac_gpio_t audio_reset;
  92         pmac_gpio_t amp_mute;
  93         pmac_gpio_t hp_mute;
  94         pmac_gpio_t hp_detect;
  95         int headphone_irq;
  96         unsigned int master_vol[2];
  97         unsigned int save_master_switch[2];
  98         unsigned int master_switch[2];
  99         unsigned int mono_vol[VOL_IDX_LAST_MONO];
 100         unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
 101         int drc_range;
 102         int drc_enable;
 103         int capture_source;
 104         int anded_reset;
 105         int auto_mute_notify;
 106         int reset_on_sleep;
 107         u8  acs;
 108 } pmac_tumbler_t;
 109
 110
 111 /*
 112  */
 113
 114 static int send_init_client(pmac_keywest_t *i2c, unsigned int *regs)
 115 {
 116         while (*regs > 0) {
 117                 int err, count = 10;
 118                 do {
 119                         err = i2c_smbus_write_byte_data(i2c->client,
 120                                                         regs[0], regs[1]);
 121                         if (err >= 0)
 122                                 break;
 123                         mdelay(10);
 124                 } while (count--);
 125                 if (err < 0)
 126                         return -ENXIO;
 127                 regs += 2;
 128         }
 129         return 0;
 130 }
 131
 132
 133 static int tumbler_init_client(pmac_keywest_t *i2c)
 134 {
 135         static unsigned int regs[] = {
 136                 /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
 137                 TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
 138                 0, /* terminator */
 139         };
 140         return send_init_client(i2c, regs);
 141 }
 142
 143 static int snapper_init_client(pmac_keywest_t *i2c)
 144 {
 145         static unsigned int regs[] = {
 146                 /* normal operation, SCLK=64fps, i2s output, 16bit width */
 147                 TAS_REG_MCS, (1<<6)|(2<<4)|0,
 148                 /* normal operation, all-pass mode */
 149                 TAS_REG_MCS2, (1<<1),
 150                 /* normal output, no deemphasis, A input, power-up, line-in */
 151                 TAS_REG_ACS, 0,
 152                 0, /* terminator */
 153         };
 154         return send_init_client(i2c, regs);
 155 }
 156
 157 /*
 158  * gpio access
 159  */
 160 #ifdef CONFIG_PPC_HAS_FEATURE_CALLS
 161 #define do_gpio_write(gp, val) \
 162         pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
 163 #define do_gpio_read(gp) \
 164         pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
 165 #define tumbler_gpio_free(gp) /* NOP */
 166 #else
 167 #define do_gpio_write(gp, val)  writeb(val, (gp)->addr)
 168 #define do_gpio_read(gp)        readb((gp)->addr)
 169 static inline void tumbler_gpio_free(pmac_gpio_t *gp)
 170 {
 171         if (gp->addr) {
 172                 iounmap(gp->addr);
 173                 gp->addr = NULL;
 174         }
 175 }
 176 #endif /* CONFIG_PPC_HAS_FEATURE_CALLS */
 177
 178 static void write_audio_gpio(pmac_gpio_t *gp, int active)
 179 {
 180         if (! gp->addr)
 181                 return;
 182         active = active ? gp->active_state : !gp->active_state;
 183         do_gpio_write(gp, active ? 0x05 : 0x04);
 184 }
 185
 186 static int read_audio_gpio(pmac_gpio_t *gp)
 187 {
 188         int ret;
 189         if (! gp->addr)
 190                 return 0;
 191         ret = ((do_gpio_read(gp) & 0x02) !=0);
 192         return ret == gp->active_state;
 193 }
 194
 195 /*
 196  * update master volume
 197  */
 198 static int tumbler_set_master_volume(pmac_tumbler_t *mix)
 199 {
 200         unsigned char block[6];
 201         unsigned int left_vol, right_vol;
 202
 203         if (! mix->i2c.client)
 204                 return -ENODEV;
 205
 206         if (! mix->master_switch[0])
 207                 left_vol = 0;
 208         else {
 209                 left_vol = mix->master_vol[0];
 210                 if (left_vol >= ARRAY_SIZE(master_volume_table))
 211                         left_vol = ARRAY_SIZE(master_volume_table) - 1;
 212                 left_vol = master_volume_table[left_vol];
 213         }
 214         if (! mix->master_switch[1])
 215                 right_vol = 0;
 216         else {
 217                 right_vol = mix->master_vol[1];
 218                 if (right_vol >= ARRAY_SIZE(master_volume_table))
 219                         right_vol = ARRAY_SIZE(master_volume_table) - 1;
 220                 right_vol = master_volume_table[right_vol];
 221         }
 222
 223         block[0] = (left_vol >> 16) & 0xff;
 224         block[1] = (left_vol >> 8)  & 0xff;
 225         block[2] = (left_vol >> 0)  & 0xff;
 226
 227         block[3] = (right_vol >> 16) & 0xff;
 228         block[4] = (right_vol >> 8)  & 0xff;
 229         block[5] = (right_vol >> 0)  & 0xff;
 230
 231         if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_VOL,
 232                                        6, block) < 0) {
 233                 snd_printk("failed to set volume \n");
 234                 return -EINVAL;
 235         }
 236         return 0;
 237 }
 238
 239
 240 /* output volume */
 241 static int tumbler_info_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 242 {
 243         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 244         uinfo->count = 2;
 245         uinfo->value.integer.min = 0;
 246         uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
 247         return 0;
 248 }
 249
 250 static int tumbler_get_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 251 {
 252         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 253         pmac_tumbler_t *mix = chip->mixer_data;
 254         snd_assert(mix, return -ENODEV);
 255         ucontrol->value.integer.value[0] = mix->master_vol[0];
 256         ucontrol->value.integer.value[1] = mix->master_vol[1];
 257         return 0;
 258 }
 259
 260 static int tumbler_put_master_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 261 {
 262         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 263         pmac_tumbler_t *mix = chip->mixer_data;
 264         int change;
 265
 266         snd_assert(mix, return -ENODEV);
 267         change = mix->master_vol[0] != ucontrol->value.integer.value[0] ||
 268                 mix->master_vol[1] != ucontrol->value.integer.value[1];
 269         if (change) {
 270                 mix->master_vol[0] = ucontrol->value.integer.value[0];
 271                 mix->master_vol[1] = ucontrol->value.integer.value[1];
 272                 tumbler_set_master_volume(mix);
 273         }
 274         return change;
 275 }
 276
 277 /* output switch */
 278 static int tumbler_get_master_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 279 {
 280         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 281         pmac_tumbler_t *mix = chip->mixer_data;
 282         snd_assert(mix, return -ENODEV);
 283         ucontrol->value.integer.value[0] = mix->master_switch[0];
 284         ucontrol->value.integer.value[1] = mix->master_switch[1];
 285         return 0;
 286 }
 287
 288 static int tumbler_put_master_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 289 {
 290         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 291         pmac_tumbler_t *mix = chip->mixer_data;
 292         int change;
 293
 294         snd_assert(mix, return -ENODEV);
 295         change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
 296                 mix->master_switch[1] != ucontrol->value.integer.value[1];
 297         if (change) {
 298                 mix->master_switch[0] = !!ucontrol->value.integer.value[0];
 299                 mix->master_switch[1] = !!ucontrol->value.integer.value[1];
 300                 tumbler_set_master_volume(mix);
 301         }
 302         return change;
 303 }
 304
 305
 306 /*
 307  * TAS3001c dynamic range compression
 308  */
 309
 310 #define TAS3001_DRC_MAX         0x5f
 311
 312 static int tumbler_set_drc(pmac_tumbler_t *mix)
 313 {
 314         unsigned char val[2];
 315
 316         if (! mix->i2c.client)
 317                 return -ENODEV;
 318
 319         if (mix->drc_enable) {
 320                 val[0] = 0xc1; /* enable, 3:1 compression */
 321                 if (mix->drc_range > TAS3001_DRC_MAX)
 322                         val[1] = 0xf0;
 323                 else if (mix->drc_range < 0)
 324                         val[1] = 0x91;
 325                 else
 326                         val[1] = mix->drc_range + 0x91;
 327         } else {
 328                 val[0] = 0;
 329                 val[1] = 0;
 330         }
 331
 332         if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_DRC,
 333                                        2, val) < 0) {
 334                 snd_printk("failed to set DRC\n");
 335                 return -EINVAL;
 336         }
 337         return 0;
 338 }
 339
 340 /*
 341  * TAS3004
 342  */
 343
 344 #define TAS3004_DRC_MAX         0xef
 345
 346 static int snapper_set_drc(pmac_tumbler_t *mix)
 347 {
 348         unsigned char val[6];
 349
 350         if (! mix->i2c.client)
 351                 return -ENODEV;
 352
 353         if (mix->drc_enable)
 354                 val[0] = 0x50; /* 3:1 above threshold */
 355         else
 356                 val[0] = 0x51; /* disabled */
 357         val[1] = 0x02; /* 1:1 below threshold */
 358         if (mix->drc_range > 0xef)
 359                 val[2] = 0xef;
 360         else if (mix->drc_range < 0)
 361                 val[2] = 0x00;
 362         else
 363                 val[2] = mix->drc_range;
 364         val[3] = 0xb0;
 365         val[4] = 0x60;
 366         val[5] = 0xa0;
 367
 368         if (i2c_smbus_write_block_data(mix->i2c.client, TAS_REG_DRC,
 369                                        6, val) < 0) {
 370                 snd_printk("failed to set DRC\n");
 371                 return -EINVAL;
 372         }
 373         return 0;
 374 }
 375
 376 static int tumbler_info_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 377 {
 378         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 379         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 380         uinfo->count = 1;
 381         uinfo->value.integer.min = 0;
 382         uinfo->value.integer.max =
 383                 chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
 384         return 0;
 385 }
 386
 387 static int tumbler_get_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 388 {
 389         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 390         pmac_tumbler_t *mix;
 391         if (! (mix = chip->mixer_data))
 392                 return -ENODEV;
 393         ucontrol->value.integer.value[0] = mix->drc_range;
 394         return 0;
 395 }
 396
 397 static int tumbler_put_drc_value(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 398 {
 399         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 400         pmac_tumbler_t *mix;
 401         int change;
 402
 403         if (! (mix = chip->mixer_data))
 404                 return -ENODEV;
 405         change = mix->drc_range != ucontrol->value.integer.value[0];
 406         if (change) {
 407                 mix->drc_range = ucontrol->value.integer.value[0];
 408                 if (chip->model == PMAC_TUMBLER)
 409                         tumbler_set_drc(mix);
 410                 else
 411                         snapper_set_drc(mix);
 412         }
 413         return change;
 414 }
 415
 416 static int tumbler_get_drc_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 417 {
 418         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 419         pmac_tumbler_t *mix;
 420         if (! (mix = chip->mixer_data))
 421                 return -ENODEV;
 422         ucontrol->value.integer.value[0] = mix->drc_enable;
 423         return 0;
 424 }
 425
 426 static int tumbler_put_drc_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 427 {
 428         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 429         pmac_tumbler_t *mix;
 430         int change;
 431
 432         if (! (mix = chip->mixer_data))
 433                 return -ENODEV;
 434         change = mix->drc_enable != ucontrol->value.integer.value[0];
 435         if (change) {
 436                 mix->drc_enable = !!ucontrol->value.integer.value[0];
 437                 if (chip->model == PMAC_TUMBLER)
 438                         tumbler_set_drc(mix);
 439                 else
 440                         snapper_set_drc(mix);
 441         }
 442         return change;
 443 }
 444
 445
 446 /*
 447  * mono volumes
 448  */
 449
 450 struct tumbler_mono_vol {
 451         int index;
 452         int reg;
 453         int bytes;
 454         unsigned int max;
 455         unsigned int *table;
 456 };
 457
 458 static int tumbler_set_mono_volume(pmac_tumbler_t *mix, struct tumbler_mono_vol *info)
 459 {
 460         unsigned char block[4];
 461         unsigned int vol;
 462         int i;
 463
 464         if (! mix->i2c.client)
 465                 return -ENODEV;
 466
 467         vol = mix->mono_vol[info->index];
 468         if (vol >= info->max)
 469                 vol = info->max - 1;
 470         vol = info->table[vol];
 471         for (i = 0; i < info->bytes; i++)
 472                 block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
 473         if (i2c_smbus_write_block_data(mix->i2c.client, info->reg,
 474                                        info->bytes, block) < 0) {
 475                 snd_printk("failed to set mono volume %d\n", info->index);
 476                 return -EINVAL;
 477         }
 478         return 0;
 479 }
 480
 481 static int tumbler_info_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 482 {
 483         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 484
 485         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 486         uinfo->count = 1;
 487         uinfo->value.integer.min = 0;
 488         uinfo->value.integer.max = info->max - 1;
 489         return 0;
 490 }
 491
 492 static int tumbler_get_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 493 {
 494         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 495         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 496         pmac_tumbler_t *mix;
 497         if (! (mix = chip->mixer_data))
 498                 return -ENODEV;
 499         ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
 500         return 0;
 501 }
 502
 503 static int tumbler_put_mono(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 504 {
 505         struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 506         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 507         pmac_tumbler_t *mix;
 508         int change;
 509
 510         if (! (mix = chip->mixer_data))
 511                 return -ENODEV;
 512         change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0];
 513         if (change) {
 514                 mix->mono_vol[info->index] = ucontrol->value.integer.value[0];
 515                 tumbler_set_mono_volume(mix, info);
 516         }
 517         return change;
 518 }
 519
 520 /* TAS3001c mono volumes */
 521 static struct tumbler_mono_vol tumbler_pcm_vol_info = {
 522         .index = VOL_IDX_PCM_MONO,
 523         .reg = TAS_REG_PCM,
 524         .bytes = 3,
 525         .max = ARRAY_SIZE(mixer_volume_table),
 526         .table = mixer_volume_table,
 527 };
 528
 529 static struct tumbler_mono_vol tumbler_bass_vol_info = {
 530         .index = VOL_IDX_BASS,
 531         .reg = TAS_REG_BASS,
 532         .bytes = 1,
 533         .max = ARRAY_SIZE(bass_volume_table),
 534         .table = bass_volume_table,
 535 };
 536
 537 static struct tumbler_mono_vol tumbler_treble_vol_info = {
 538         .index = VOL_IDX_TREBLE,
 539         .reg = TAS_REG_TREBLE,
 540         .bytes = 1,
 541         .max = ARRAY_SIZE(treble_volume_table),
 542         .table = treble_volume_table,
 543 };
 544
 545 /* TAS3004 mono volumes */
 546 static struct tumbler_mono_vol snapper_bass_vol_info = {
 547         .index = VOL_IDX_BASS,
 548         .reg = TAS_REG_BASS,
 549         .bytes = 1,
 550         .max = ARRAY_SIZE(snapper_bass_volume_table),
 551         .table = snapper_bass_volume_table,
 552 };
 553
 554 static struct tumbler_mono_vol snapper_treble_vol_info = {
 555         .index = VOL_IDX_TREBLE,
 556         .reg = TAS_REG_TREBLE,
 557         .bytes = 1,
 558         .max = ARRAY_SIZE(snapper_treble_volume_table),
 559         .table = snapper_treble_volume_table,
 560 };
 561
 562
 563 #define DEFINE_MONO(xname,type) { \
 564         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 565         .name = xname, \
 566         .info = tumbler_info_mono, \
 567         .get = tumbler_get_mono, \
 568         .put = tumbler_put_mono, \
 569         .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
 570 }
 571
 572 #define DEFINE_SNAPPER_MONO(xname,type) { \
 573         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 574         .name = xname, \
 575         .info = tumbler_info_mono, \
 576         .get = tumbler_get_mono, \
 577         .put = tumbler_put_mono, \
 578         .private_value = (unsigned long)(&snapper_##type##_vol_info), \
 579 }
 580
 581
 582 /*
 583  * snapper mixer volumes
 584  */
 585
 586 static int snapper_set_mix_vol1(pmac_tumbler_t *mix, int idx, int ch, int reg)
 587 {
 588         int i, j, vol;
 589         unsigned char block[9];
 590
 591         vol = mix->mix_vol[idx][ch];
 592         if (vol >= ARRAY_SIZE(mixer_volume_table)) {
 593                 vol = ARRAY_SIZE(mixer_volume_table) - 1;
 594                 mix->mix_vol[idx][ch] = vol;
 595         }
 596
 597         for (i = 0; i < 3; i++) {
 598                 vol = mix->mix_vol[i][ch];
 599                 vol = mixer_volume_table[vol];
 600                 for (j = 0; j < 3; j++)
 601                         block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
 602         }
 603         if (i2c_smbus_write_block_data(mix->i2c.client, reg, 9, block) < 0) {
 604                 snd_printk("failed to set mono volume %d\n", reg);
 605                 return -EINVAL;
 606         }
 607         return 0;
 608 }
 609
 610 static int snapper_set_mix_vol(pmac_tumbler_t *mix, int idx)
 611 {
 612         if (! mix->i2c.client)
 613                 return -ENODEV;
 614         if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
 615             snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
 616                 return -EINVAL;
 617         return 0;
 618 }
 619
 620 static int snapper_info_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 621 {
 622         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 623         uinfo->count = 2;
 624         uinfo->value.integer.min = 0;
 625         uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
 626         return 0;
 627 }
 628
 629 static int snapper_get_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 630 {
 631         int idx = (int)kcontrol->private_value;
 632         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 633         pmac_tumbler_t *mix;
 634         if (! (mix = chip->mixer_data))
 635                 return -ENODEV;
 636         ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
 637         ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
 638         return 0;
 639 }
 640
 641 static int snapper_put_mix(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 642 {
 643         int idx = (int)kcontrol->private_value;
 644         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 645         pmac_tumbler_t *mix;
 646         int change;
 647
 648         if (! (mix = chip->mixer_data))
 649                 return -ENODEV;
 650         change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] ||
 651                 mix->mix_vol[idx][1] != ucontrol->value.integer.value[1];
 652         if (change) {
 653                 mix->mix_vol[idx][0] = ucontrol->value.integer.value[0];
 654                 mix->mix_vol[idx][1] = ucontrol->value.integer.value[1];
 655                 snapper_set_mix_vol(mix, idx);
 656         }
 657         return change;
 658 }
 659
 660
 661 /*
 662  * mute switches. FIXME: Turn that into software mute when both outputs are muted
 663  * to avoid codec reset on ibook M7
 664  */
 665
 666 enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP };
 667
 668 static int tumbler_get_mute_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 669 {
 670         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 671         pmac_tumbler_t *mix;
 672         pmac_gpio_t *gp;
 673         if (! (mix = chip->mixer_data))
 674                 return -ENODEV;
 675         gp = (kcontrol->private_value == TUMBLER_MUTE_HP) ? &mix->hp_mute : &mix->amp_mute;
 676         ucontrol->value.integer.value[0] = ! read_audio_gpio(gp);
 677         return 0;
 678 }
 679
 680 static int tumbler_put_mute_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 681 {
 682         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 683         pmac_tumbler_t *mix;
 684         pmac_gpio_t *gp;
 685         int val;
 686 #ifdef PMAC_SUPPORT_AUTOMUTE
 687         if (chip->update_automute && chip->auto_mute)
 688                 return 0; /* don't touch in the auto-mute mode */
 689 #endif
 690         if (! (mix = chip->mixer_data))
 691                 return -ENODEV;
 692         gp = (kcontrol->private_value == TUMBLER_MUTE_HP) ? &mix->hp_mute : &mix->amp_mute;
 693         val = ! read_audio_gpio(gp);
 694         if (val != ucontrol->value.integer.value[0]) {
 695                 write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
 696                 return 1;
 697         }
 698         return 0;
 699 }
 700
 701 static int snapper_set_capture_source(pmac_tumbler_t *mix)
 702 {
 703         if (! mix->i2c.client)
 704                 return -ENODEV;
 705         if (mix->capture_source)
 706                 mix->acs = mix->acs |= 2;
 707         else
 708                 mix->acs &= ~2;
 709         return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
 710 }
 711
 712 static int snapper_info_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 713 {
 714         static char *texts[2] = {
 715                 "Line", "Mic"
 716         };
 717         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 718         uinfo->count = 1;
 719         uinfo->value.enumerated.items = 2;
 720         if (uinfo->value.enumerated.item > 1)
 721                 uinfo->value.enumerated.item = 1;
 722         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 723         return 0;
 724 }
 725
 726 static int snapper_get_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 727 {
 728         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 729         pmac_tumbler_t *mix = chip->mixer_data;
 730
 731         snd_assert(mix, return -ENODEV);
 732         ucontrol->value.integer.value[0] = mix->capture_source;
 733         return 0;
 734 }
 735
 736 static int snapper_put_capture_source(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 737 {
 738         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 739         pmac_tumbler_t *mix = chip->mixer_data;
 740         int change;
 741
 742         snd_assert(mix, return -ENODEV);
 743         change = ucontrol->value.integer.value[0] != mix->capture_source;
 744         if (change) {
 745                 mix->capture_source = !!ucontrol->value.integer.value[0];
 746                 snapper_set_capture_source(mix);
 747         }
 748         return change;
 749 }
 750
 751 #define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
 752         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 753         .name = xname, \
 754         .info = snapper_info_mix, \
 755         .get = snapper_get_mix, \
 756         .put = snapper_put_mix, \
 757         .index = idx,\
 758         .private_value = ofs, \
 759 }
 760
 761
 762 /*
 763  */
 764 static snd_kcontrol_new_t tumbler_mixers[] __initdata = {
 765         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 766           .name = "Master Playback Volume",
 767           .info = tumbler_info_master_volume,
 768           .get = tumbler_get_master_volume,
 769           .put = tumbler_put_master_volume
 770         },
 771         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 772           .name = "Master Playback Switch",
 773           .info = snd_pmac_boolean_stereo_info,
 774           .get = tumbler_get_master_switch,
 775           .put = tumbler_put_master_switch
 776         },
 777         DEFINE_MONO("Tone Control - Bass", bass),
 778         DEFINE_MONO("Tone Control - Treble", treble),
 779         DEFINE_MONO("PCM Playback Volume", pcm),
 780         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 781           .name = "DRC Range",
 782           .info = tumbler_info_drc_value,
 783           .get = tumbler_get_drc_value,
 784           .put = tumbler_put_drc_value
 785         },
 786 };
 787
 788 static snd_kcontrol_new_t snapper_mixers[] __initdata = {
 789         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 790           .name = "Master Playback Volume",
 791           .info = tumbler_info_master_volume,
 792           .get = tumbler_get_master_volume,
 793           .put = tumbler_put_master_volume
 794         },
 795         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 796           .name = "Master Playback Switch",
 797           .info = snd_pmac_boolean_stereo_info,
 798           .get = tumbler_get_master_switch,
 799           .put = tumbler_put_master_switch
 800         },
 801         DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
 802         DEFINE_SNAPPER_MIX("PCM Playback Volume", 1, VOL_IDX_PCM2),
 803         DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 804         DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 805         DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
 806         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 807           .name = "DRC Range",
 808           .info = tumbler_info_drc_value,
 809           .get = tumbler_get_drc_value,
 810           .put = tumbler_put_drc_value
 811         },
 812         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 813           .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
 814           .info = snapper_info_capture_source,
 815           .get = snapper_get_capture_source,
 816           .put = snapper_put_capture_source
 817         },
 818 };
 819
 820 static snd_kcontrol_new_t tumbler_hp_sw __initdata = {
 821         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 822         .name = "Headphone Playback Switch",
 823         .info = snd_pmac_boolean_mono_info,
 824         .get = tumbler_get_mute_switch,
 825         .put = tumbler_put_mute_switch,
 826         .private_value = TUMBLER_MUTE_HP,
 827 };
 828 static snd_kcontrol_new_t tumbler_speaker_sw __initdata = {
 829         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 830         .name = "PC Speaker Playback Switch",
 831         .info = snd_pmac_boolean_mono_info,
 832         .get = tumbler_get_mute_switch,
 833         .put = tumbler_put_mute_switch,
 834         .private_value = TUMBLER_MUTE_AMP,
 835 };
 836 static snd_kcontrol_new_t tumbler_drc_sw __initdata = {
 837         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 838         .name = "DRC Switch",
 839         .info = snd_pmac_boolean_mono_info,
 840         .get = tumbler_get_drc_switch,
 841         .put = tumbler_put_drc_switch
 842 };
 843
 844
 845 #ifdef PMAC_SUPPORT_AUTOMUTE
 846 /*
 847  * auto-mute stuffs
 848  */
 849 static int tumbler_detect_headphone(pmac_t *chip)
 850 {
 851         pmac_tumbler_t *mix = chip->mixer_data;
 852         return read_audio_gpio(&mix->hp_detect);
 853 }
 854
 855 static void check_mute(pmac_t *chip, pmac_gpio_t *gp, int val, int do_notify, snd_kcontrol_t *sw)
 856 {
 857         //pmac_tumbler_t *mix = chip->mixer_data;
 858         if (val != read_audio_gpio(gp)) {
 859                 write_audio_gpio(gp, val);
 860                 if (do_notify)
 861                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &sw->id);
 862         }
 863 }
 864
 865 static struct work_struct device_change;
 866
 867 static void device_change_handler(void *self)
 868 {
 869         pmac_t *chip = (pmac_t*) self;
 870         pmac_tumbler_t *mix;
 871
 872         if (!chip)
 873                 return;
 874
 875         mix = chip->mixer_data;
 876         snd_assert(mix, return);
 877
 878         if (tumbler_detect_headphone(chip)) {
 879                 /* mute speaker */
 880                 check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
 881                            chip->master_sw_ctl);
 882                 if (mix->anded_reset)
 883                         big_mdelay(10);
 884                 check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
 885                            chip->speaker_sw_ctl);
 886                 mix->drc_enable = 0;
 887         } else {
 888                 /* unmute speaker */
 889                 check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
 890                            chip->speaker_sw_ctl);
 891                 if (mix->anded_reset)
 892                         big_mdelay(10);
 893                 check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
 894                            chip->master_sw_ctl);
 895                 mix->drc_enable = 1;
 896         }
 897         if (mix->auto_mute_notify) {
 898                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 899                                        &chip->hp_detect_ctl->id);
 900                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 901                                &chip->drc_sw_ctl->id);
 902         }
 903
 904         /* first set the DRC so the speaker do not explode -ReneR */
 905         if (chip->model == PMAC_TUMBLER)
 906                 tumbler_set_drc(mix);
 907         else
 908                 snapper_set_drc(mix);
 909
 910         /* reset the master volume so the correct amplification is applied */
 911         tumbler_set_master_volume(mix);
 912 }
 913
 914 static void tumbler_update_automute(pmac_t *chip, int do_notify)
 915 {
 916         if (chip->auto_mute) {
 917                 pmac_tumbler_t *mix;
 918                 mix = chip->mixer_data;
 919                 snd_assert(mix, return);
 920                 mix->auto_mute_notify = do_notify;
 921                 schedule_work(&device_change);
 922         }
 923 }
 924 #endif /* PMAC_SUPPORT_AUTOMUTE */
 925
 926
 927 /* interrupt - headphone plug changed */
 928 static irqreturn_t headphone_intr(int irq, void *devid, struct pt_regs *regs)
 929 {
 930         pmac_t *chip = devid;
 931         if (chip->update_automute && chip->initialized) {
 932                 chip->update_automute(chip, 1);
 933                 return IRQ_HANDLED;
 934         }
 935         return IRQ_NONE;
 936 }
 937
 938 /* look for audio-gpio device */
 939 static struct device_node *find_audio_device(const char *name)
 940 {
 941         struct device_node *np;
 942
 943         if (! (np = find_devices("gpio")))
 944                 return NULL;
 945
 946         for (np = np->child; np; np = np->sibling) {
 947                 char *property = get_property(np, "audio-gpio", NULL);
 948                 if (property && strcmp(property, name) == 0)
 949                         return np;
 950         }
 951         return NULL;
 952 }
 953
 954 /* look for audio-gpio device */
 955 static struct device_node *find_compatible_audio_device(const char *name)
 956 {
 957         struct device_node *np;
 958
 959         if (! (np = find_devices("gpio")))
 960                 return NULL;
 961
 962         for (np = np->child; np; np = np->sibling) {
 963                 if (device_is_compatible(np, name))
 964                         return np;
 965         }
 966         return NULL;
 967 }
 968
 969 /* find an audio device and get its address */
 970 static long tumbler_find_device(const char *device, pmac_gpio_t *gp, int is_compatible)
 971 {
 972         struct device_node *node;
 973         u32 *base, addr;
 974
 975         if (is_compatible)
 976                 node = find_compatible_audio_device(device);
 977         else
 978                 node = find_audio_device(device);
 979         if (! node) {
 980                 snd_printdd("cannot find device %s\n", device);
 981                 return -ENODEV;
 982         }
 983
 984         base = (u32 *)get_property(node, "AAPL,address", NULL);
 985         if (! base) {
 986                 base = (u32 *)get_property(node, "reg", NULL);
 987                 if (!base) {
 988                         snd_printd("cannot find address for device %s\n", device);
 989                         return -ENODEV;
 990                 }
 991                 /* this only work if PPC_HAS_FEATURE_CALLS is set as we
 992                  * are only getting the low part of the address
 993                  */
 994                 addr = *base;
 995                 if (addr < 0x50)
 996                         addr += 0x50;
 997         } else
 998                 addr = *base;
 999
1000 #ifdef CONFIG_PPC_HAS_FEATURE_CALLS
1001         gp->addr = addr & 0x0000ffff;
1002 #else
1003         gp->addr = ioremap((unsigned long)addr, 1);
1004 #endif
1005         /* Try to find the active state, default to 0 ! */
1006         base = (u32 *)get_property(node, "audio-gpio-active-state", NULL);
1007         if (base)
1008                 gp->active_state = *base;
1009         else
1010                 gp->active_state = 0;
1011
1012         return (node->n_intrs > 0) ? node->intrs[0].line : 0;
1013 }
1014
1015 /* reset audio */
1016 static void tumbler_reset_audio(pmac_t *chip)
1017 {
1018         pmac_tumbler_t *mix = chip->mixer_data;
1019
1020         if (mix->anded_reset) {
1021                 write_audio_gpio(&mix->hp_mute, 0);
1022                 write_audio_gpio(&mix->amp_mute, 0);
1023                 big_mdelay(200);
1024                 write_audio_gpio(&mix->hp_mute, 1);
1025                 write_audio_gpio(&mix->amp_mute, 1);
1026                 big_mdelay(100);
1027                 write_audio_gpio(&mix->hp_mute, 0);
1028                 write_audio_gpio(&mix->amp_mute, 0);
1029                 big_mdelay(100);
1030         } else {
1031                 write_audio_gpio(&mix->audio_reset, 0);
1032                 big_mdelay(200);
1033                 write_audio_gpio(&mix->audio_reset, 1);
1034                 big_mdelay(100);
1035                 write_audio_gpio(&mix->audio_reset, 0);
1036                 big_mdelay(100);
1037         }
1038 }
1039
1040 #ifdef CONFIG_PMAC_PBOOK
1041 /* suspend mixer */
1042 static void tumbler_suspend(pmac_t *chip)
1043 {
1044         pmac_tumbler_t *mix = chip->mixer_data;
1045
1046         if (mix->headphone_irq >= 0)
1047                 disable_irq(mix->headphone_irq);
1048         mix->save_master_switch[0] = mix->master_switch[0];
1049         mix->save_master_switch[1] = mix->master_switch[1];
1050         mix->master_switch[0] = mix->master_switch[1] = 0;
1051         tumbler_set_master_volume(mix);
1052         if (!mix->anded_reset) {
1053                 write_audio_gpio(&mix->amp_mute, 1);
1054                 write_audio_gpio(&mix->hp_mute, 1);
1055         }
1056         if (chip->model == PMAC_SNAPPER) {
1057                 mix->acs |= 1;
1058                 i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1059         }
1060         if (mix->anded_reset) {
1061                 write_audio_gpio(&mix->amp_mute, 1);
1062                 write_audio_gpio(&mix->hp_mute, 1);
1063         } else
1064                 write_audio_gpio(&mix->audio_reset, 1);
1065 }
1066
1067 /* resume mixer */
1068 static void tumbler_resume(pmac_t *chip)
1069 {
1070         pmac_tumbler_t *mix = chip->mixer_data;
1071
1072         snd_assert(mix, return);
1073
1074         mix->acs &= ~1;
1075         mix->master_switch[0] = mix->save_master_switch[0];
1076         mix->master_switch[1] = mix->save_master_switch[1];
1077         tumbler_reset_audio(chip);
1078         if (mix->i2c.client && mix->i2c.init_client) {
1079                 if (mix->i2c.init_client(&mix->i2c) < 0)
1080                         printk(KERN_ERR "tumbler_init_client error\n");
1081         } else
1082                 printk(KERN_ERR "tumbler: i2c is not initialized\n");
1083         if (chip->model == PMAC_TUMBLER) {
1084                 tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1085                 tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1086                 tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1087                 tumbler_set_drc(mix);
1088         } else {
1089                 snapper_set_mix_vol(mix, VOL_IDX_PCM);
1090                 snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1091                 snapper_set_mix_vol(mix, VOL_IDX_ADC);
1092                 tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1093                 tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1094                 snapper_set_drc(mix);
1095                 snapper_set_capture_source(mix);
1096         }
1097         tumbler_set_master_volume(mix);
1098         if (chip->update_automute)
1099                 chip->update_automute(chip, 0);
1100         if (mix->headphone_irq >= 0)
1101                 enable_irq(mix->headphone_irq);
1102 }
1103 #endif
1104
1105 /* initialize tumbler */
1106 static int __init tumbler_init(pmac_t *chip)
1107 {
1108         int irq, err;
1109         pmac_tumbler_t *mix = chip->mixer_data;
1110         snd_assert(mix, return -EINVAL);
1111
1112         if (tumbler_find_device("audio-hw-reset", &mix->audio_reset, 0) < 0)
1113                 tumbler_find_device("hw-reset", &mix->audio_reset, 1);
1114         if (tumbler_find_device("amp-mute", &mix->amp_mute, 0) < 0)
1115                 tumbler_find_device("amp-mute", &mix->amp_mute, 1);
1116         if (tumbler_find_device("headphone-mute", &mix->hp_mute, 0) < 0)
1117                 tumbler_find_device("headphone-mute", &mix->hp_mute, 1);
1118         irq = tumbler_find_device("headphone-detect", &mix->hp_detect, 0);
1119         if (irq < 0)
1120                 irq = tumbler_find_device("headphone-detect", &mix->hp_detect, 1);
1121         if (irq < 0)
1122                 irq = tumbler_find_device("keywest-gpio15", &mix->hp_detect, 1);
1123
1124         tumbler_reset_audio(chip);
1125
1126         /* activate headphone status interrupts */
1127         if (irq >= 0) {
1128                 unsigned char val;
1129                 if ((err = request_irq(irq, headphone_intr, 0,
1130                                        "Tumbler Headphone Detection", chip)) < 0)
1131                         return err;
1132                 /* activate headphone status interrupts */
1133                 val = do_gpio_read(&mix->hp_detect);
1134                 do_gpio_write(&mix->hp_detect, val | 0x80);
1135         }
1136         mix->headphone_irq = irq;
1137
1138         return 0;
1139 }
1140
1141 static void tumbler_cleanup(pmac_t *chip)
1142 {
1143         pmac_tumbler_t *mix = chip->mixer_data;
1144         if (! mix)
1145                 return;
1146
1147         if (mix->headphone_irq >= 0)
1148                 free_irq(mix->headphone_irq, chip);
1149         tumbler_gpio_free(&mix->audio_reset);
1150         tumbler_gpio_free(&mix->amp_mute);
1151         tumbler_gpio_free(&mix->hp_mute);
1152         tumbler_gpio_free(&mix->hp_detect);
1153         snd_pmac_keywest_cleanup(&mix->i2c);
1154         kfree(mix);
1155         chip->mixer_data = NULL;
1156 }
1157
1158 /* exported */
1159 int __init snd_pmac_tumbler_init(pmac_t *chip)
1160 {
1161         int i, err;
1162         pmac_tumbler_t *mix;
1163         u32 *paddr;
1164         struct device_node *tas_node, *np;
1165         char *chipname;
1166
1167 #ifdef CONFIG_KMOD
1168         if (current->fs->root)
1169                 request_module("i2c-keywest");
1170 #endif /* CONFIG_KMOD */
1171
1172         mix = kmalloc(sizeof(*mix), GFP_KERNEL);
1173         if (! mix)
1174                 return -ENOMEM;
1175         memset(mix, 0, sizeof(*mix));
1176         mix->headphone_irq = -1;
1177
1178         chip->mixer_data = mix;
1179         chip->mixer_free = tumbler_cleanup;
1180         mix->anded_reset = 0;
1181         mix->reset_on_sleep = 1;
1182
1183         for (np = chip->node->child; np; np = np->sibling) {
1184                 if (!strcmp(np->name, "sound")) {
1185                         if (get_property(np, "has-anded-reset", NULL))
1186                                 mix->anded_reset = 1;
1187                         if (get_property(np, "layout-id", NULL))
1188                                 mix->reset_on_sleep = 0;
1189                         break;
1190                 }
1191         }
1192         if ((err = tumbler_init(chip)) < 0)
1193                 return err;
1194
1195         /* set up TAS */
1196         tas_node = find_devices("deq");
1197         if (tas_node == NULL)
1198                 tas_node = find_devices("codec");
1199         if (tas_node == NULL)
1200                 return -ENODEV;
1201
1202         paddr = (u32 *)get_property(tas_node, "i2c-address", NULL);
1203         if (paddr == NULL)
1204                 paddr = (u32 *)get_property(tas_node, "reg", NULL);
1205         if (paddr)
1206                 mix->i2c.addr = (*paddr) >> 1;
1207         else
1208                 mix->i2c.addr = TAS_I2C_ADDR;
1209
1210         if (chip->model == PMAC_TUMBLER) {
1211                 mix->i2c.init_client = tumbler_init_client;
1212                 mix->i2c.name = "TAS3001c";
1213                 chipname = "Tumbler";
1214         } else {
1215                 mix->i2c.init_client = snapper_init_client;
1216                 mix->i2c.name = "TAS3004";
1217                 chipname = "Snapper";
1218         }
1219
1220         if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1221                 return err;
1222
1223         /*
1224          * build mixers
1225          */
1226         sprintf(chip->card->mixername, "PowerMac %s", chipname);
1227
1228         if (chip->model == PMAC_TUMBLER) {
1229                 for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1230                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1231                                 return err;
1232                 }
1233         } else {
1234                 for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1235                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1236                                 return err;
1237                 }
1238         }
1239         chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1240         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1241                 return err;
1242         chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1243         if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1244                 return err;
1245         chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1246         if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1247                 return err;
1248
1249 #ifdef CONFIG_PMAC_PBOOK
1250         chip->suspend = tumbler_suspend;
1251         chip->resume = tumbler_resume;
1252 #endif
1253
1254         INIT_WORK(&device_change, device_change_handler, (void *)chip);
1255
1256 #ifdef PMAC_SUPPORT_AUTOMUTE
1257         if (mix->headphone_irq >=0 && (err = snd_pmac_add_automute(chip)) < 0)
1258                 return err;
1259         chip->detect_headphone = tumbler_detect_headphone;
1260         chip->update_automute = tumbler_update_automute;
1261         tumbler_update_automute(chip, 0); /* update the status only */
1262 #endif
1263
1264         return 0;
1265 }