linux/sound/ppc/tumbler.c
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   1/*
   2 * PMac Tumbler/Snapper lowlevel functions
   3 *
   4 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 *
  20 *   Rene Rebe <rene.rebe@gmx.net>:
  21 *     * update from shadow registers on wakeup and headphone plug
  22 *     * automatically toggle DRC on headphone plug
  23 *      
  24 */
  25
  26
  27#include <linux/init.h>
  28#include <linux/delay.h>
  29#include <linux/i2c.h>
  30#include <linux/kmod.h>
  31#include <linux/slab.h>
  32#include <linux/interrupt.h>
  33#include <sound/core.h>
  34#include <asm/io.h>
  35#include <asm/irq.h>
  36#include <asm/machdep.h>
  37#include <asm/pmac_feature.h>
  38#include "pmac.h"
  39#include "tumbler_volume.h"
  40
  41#undef DEBUG
  42
  43#ifdef DEBUG
  44#define DBG(fmt...) printk(KERN_DEBUG fmt)
  45#else
  46#define DBG(fmt...)
  47#endif
  48
  49/* i2c address for tumbler */
  50#define TAS_I2C_ADDR    0x34
  51
  52/* registers */
  53#define TAS_REG_MCS     0x01    /* main control */
  54#define TAS_REG_DRC     0x02
  55#define TAS_REG_VOL     0x04
  56#define TAS_REG_TREBLE  0x05
  57#define TAS_REG_BASS    0x06
  58#define TAS_REG_INPUT1  0x07
  59#define TAS_REG_INPUT2  0x08
  60
  61/* tas3001c */
  62#define TAS_REG_PCM     TAS_REG_INPUT1
  63 
  64/* tas3004 */
  65#define TAS_REG_LMIX    TAS_REG_INPUT1
  66#define TAS_REG_RMIX    TAS_REG_INPUT2
  67#define TAS_REG_MCS2    0x43            /* main control 2 */
  68#define TAS_REG_ACS     0x40            /* analog control */
  69
  70/* mono volumes for tas3001c/tas3004 */
  71enum {
  72        VOL_IDX_PCM_MONO, /* tas3001c only */
  73        VOL_IDX_BASS, VOL_IDX_TREBLE,
  74        VOL_IDX_LAST_MONO
  75};
  76
  77/* stereo volumes for tas3004 */
  78enum {
  79        VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
  80        VOL_IDX_LAST_MIX
  81};
  82
  83struct pmac_gpio {
  84        unsigned int addr;
  85        u8 active_val;
  86        u8 inactive_val;
  87        u8 active_state;
  88};
  89
  90struct pmac_tumbler {
  91        struct pmac_keywest i2c;
  92        struct pmac_gpio audio_reset;
  93        struct pmac_gpio amp_mute;
  94        struct pmac_gpio line_mute;
  95        struct pmac_gpio line_detect;
  96        struct pmac_gpio hp_mute;
  97        struct pmac_gpio hp_detect;
  98        int headphone_irq;
  99        int lineout_irq;
 100        unsigned int save_master_vol[2];
 101        unsigned int master_vol[2];
 102        unsigned int save_master_switch[2];
 103        unsigned int master_switch[2];
 104        unsigned int mono_vol[VOL_IDX_LAST_MONO];
 105        unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
 106        int drc_range;
 107        int drc_enable;
 108        int capture_source;
 109        int anded_reset;
 110        int auto_mute_notify;
 111        int reset_on_sleep;
 112        u8  acs;
 113};
 114
 115
 116/*
 117 */
 118
 119static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
 120{
 121        while (*regs > 0) {
 122                int err, count = 10;
 123                do {
 124                        err = i2c_smbus_write_byte_data(i2c->client,
 125                                                        regs[0], regs[1]);
 126                        if (err >= 0)
 127                                break;
 128                        DBG("(W) i2c error %d\n", err);
 129                        mdelay(10);
 130                } while (count--);
 131                if (err < 0)
 132                        return -ENXIO;
 133                regs += 2;
 134        }
 135        return 0;
 136}
 137
 138
 139static int tumbler_init_client(struct pmac_keywest *i2c)
 140{
 141        static unsigned int regs[] = {
 142                /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
 143                TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
 144                0, /* terminator */
 145        };
 146        DBG("(I) tumbler init client\n");
 147        return send_init_client(i2c, regs);
 148}
 149
 150static int snapper_init_client(struct pmac_keywest *i2c)
 151{
 152        static unsigned int regs[] = {
 153                /* normal operation, SCLK=64fps, i2s output, 16bit width */
 154                TAS_REG_MCS, (1<<6)|(2<<4)|0,
 155                /* normal operation, all-pass mode */
 156                TAS_REG_MCS2, (1<<1),
 157                /* normal output, no deemphasis, A input, power-up, line-in */
 158                TAS_REG_ACS, 0,
 159                0, /* terminator */
 160        };
 161        DBG("(I) snapper init client\n");
 162        return send_init_client(i2c, regs);
 163}
 164        
 165/*
 166 * gpio access
 167 */
 168#define do_gpio_write(gp, val) \
 169        pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
 170#define do_gpio_read(gp) \
 171        pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
 172#define tumbler_gpio_free(gp) /* NOP */
 173
 174static void write_audio_gpio(struct pmac_gpio *gp, int active)
 175{
 176        if (! gp->addr)
 177                return;
 178        active = active ? gp->active_val : gp->inactive_val;
 179        do_gpio_write(gp, active);
 180        DBG("(I) gpio %x write %d\n", gp->addr, active);
 181}
 182
 183static int check_audio_gpio(struct pmac_gpio *gp)
 184{
 185        int ret;
 186
 187        if (! gp->addr)
 188                return 0;
 189
 190        ret = do_gpio_read(gp);
 191
 192        return (ret & 0x1) == (gp->active_val & 0x1);
 193}
 194
 195static int read_audio_gpio(struct pmac_gpio *gp)
 196{
 197        int ret;
 198        if (! gp->addr)
 199                return 0;
 200        ret = do_gpio_read(gp);
 201        ret = (ret & 0x02) !=0;
 202        return ret == gp->active_state;
 203}
 204
 205/*
 206 * update master volume
 207 */
 208static int tumbler_set_master_volume(struct pmac_tumbler *mix)
 209{
 210        unsigned char block[6];
 211        unsigned int left_vol, right_vol;
 212  
 213        if (! mix->i2c.client)
 214                return -ENODEV;
 215  
 216        if (! mix->master_switch[0])
 217                left_vol = 0;
 218        else {
 219                left_vol = mix->master_vol[0];
 220                if (left_vol >= ARRAY_SIZE(master_volume_table))
 221                        left_vol = ARRAY_SIZE(master_volume_table) - 1;
 222                left_vol = master_volume_table[left_vol];
 223        }
 224        if (! mix->master_switch[1])
 225                right_vol = 0;
 226        else {
 227                right_vol = mix->master_vol[1];
 228                if (right_vol >= ARRAY_SIZE(master_volume_table))
 229                        right_vol = ARRAY_SIZE(master_volume_table) - 1;
 230                right_vol = master_volume_table[right_vol];
 231        }
 232
 233        block[0] = (left_vol >> 16) & 0xff;
 234        block[1] = (left_vol >> 8)  & 0xff;
 235        block[2] = (left_vol >> 0)  & 0xff;
 236
 237        block[3] = (right_vol >> 16) & 0xff;
 238        block[4] = (right_vol >> 8)  & 0xff;
 239        block[5] = (right_vol >> 0)  & 0xff;
 240  
 241        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
 242                                           block) < 0) {
 243                snd_printk(KERN_ERR "failed to set volume \n");
 244                return -EINVAL;
 245        }
 246        return 0;
 247}
 248
 249
 250/* output volume */
 251static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
 252                                      struct snd_ctl_elem_info *uinfo)
 253{
 254        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 255        uinfo->count = 2;
 256        uinfo->value.integer.min = 0;
 257        uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
 258        return 0;
 259}
 260
 261static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
 262                                     struct snd_ctl_elem_value *ucontrol)
 263{
 264        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 265        struct pmac_tumbler *mix = chip->mixer_data;
 266
 267        ucontrol->value.integer.value[0] = mix->master_vol[0];
 268        ucontrol->value.integer.value[1] = mix->master_vol[1];
 269        return 0;
 270}
 271
 272static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
 273                                     struct snd_ctl_elem_value *ucontrol)
 274{
 275        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 276        struct pmac_tumbler *mix = chip->mixer_data;
 277        unsigned int vol[2];
 278        int change;
 279
 280        vol[0] = ucontrol->value.integer.value[0];
 281        vol[1] = ucontrol->value.integer.value[1];
 282        if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
 283            vol[1] >= ARRAY_SIZE(master_volume_table))
 284                return -EINVAL;
 285        change = mix->master_vol[0] != vol[0] ||
 286                mix->master_vol[1] != vol[1];
 287        if (change) {
 288                mix->master_vol[0] = vol[0];
 289                mix->master_vol[1] = vol[1];
 290                tumbler_set_master_volume(mix);
 291        }
 292        return change;
 293}
 294
 295/* output switch */
 296static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
 297                                     struct snd_ctl_elem_value *ucontrol)
 298{
 299        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 300        struct pmac_tumbler *mix = chip->mixer_data;
 301
 302        ucontrol->value.integer.value[0] = mix->master_switch[0];
 303        ucontrol->value.integer.value[1] = mix->master_switch[1];
 304        return 0;
 305}
 306
 307static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
 308                                     struct snd_ctl_elem_value *ucontrol)
 309{
 310        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 311        struct pmac_tumbler *mix = chip->mixer_data;
 312        int change;
 313
 314        change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
 315                mix->master_switch[1] != ucontrol->value.integer.value[1];
 316        if (change) {
 317                mix->master_switch[0] = !!ucontrol->value.integer.value[0];
 318                mix->master_switch[1] = !!ucontrol->value.integer.value[1];
 319                tumbler_set_master_volume(mix);
 320        }
 321        return change;
 322}
 323
 324
 325/*
 326 * TAS3001c dynamic range compression
 327 */
 328
 329#define TAS3001_DRC_MAX         0x5f
 330
 331static int tumbler_set_drc(struct pmac_tumbler *mix)
 332{
 333        unsigned char val[2];
 334
 335        if (! mix->i2c.client)
 336                return -ENODEV;
 337  
 338        if (mix->drc_enable) {
 339                val[0] = 0xc1; /* enable, 3:1 compression */
 340                if (mix->drc_range > TAS3001_DRC_MAX)
 341                        val[1] = 0xf0;
 342                else if (mix->drc_range < 0)
 343                        val[1] = 0x91;
 344                else
 345                        val[1] = mix->drc_range + 0x91;
 346        } else {
 347                val[0] = 0;
 348                val[1] = 0;
 349        }
 350
 351        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 352                                           2, val) < 0) {
 353                snd_printk(KERN_ERR "failed to set DRC\n");
 354                return -EINVAL;
 355        }
 356        return 0;
 357}
 358
 359/*
 360 * TAS3004
 361 */
 362
 363#define TAS3004_DRC_MAX         0xef
 364
 365static int snapper_set_drc(struct pmac_tumbler *mix)
 366{
 367        unsigned char val[6];
 368
 369        if (! mix->i2c.client)
 370                return -ENODEV;
 371  
 372        if (mix->drc_enable)
 373                val[0] = 0x50; /* 3:1 above threshold */
 374        else
 375                val[0] = 0x51; /* disabled */
 376        val[1] = 0x02; /* 1:1 below threshold */
 377        if (mix->drc_range > 0xef)
 378                val[2] = 0xef;
 379        else if (mix->drc_range < 0)
 380                val[2] = 0x00;
 381        else
 382                val[2] = mix->drc_range;
 383        val[3] = 0xb0;
 384        val[4] = 0x60;
 385        val[5] = 0xa0;
 386
 387        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 388                                           6, val) < 0) {
 389                snd_printk(KERN_ERR "failed to set DRC\n");
 390                return -EINVAL;
 391        }
 392        return 0;
 393}
 394
 395static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
 396                                  struct snd_ctl_elem_info *uinfo)
 397{
 398        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 399        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 400        uinfo->count = 1;
 401        uinfo->value.integer.min = 0;
 402        uinfo->value.integer.max =
 403                chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
 404        return 0;
 405}
 406
 407static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
 408                                 struct snd_ctl_elem_value *ucontrol)
 409{
 410        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 411        struct pmac_tumbler *mix;
 412        if (! (mix = chip->mixer_data))
 413                return -ENODEV;
 414        ucontrol->value.integer.value[0] = mix->drc_range;
 415        return 0;
 416}
 417
 418static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
 419                                 struct snd_ctl_elem_value *ucontrol)
 420{
 421        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 422        struct pmac_tumbler *mix;
 423        unsigned int val;
 424        int change;
 425
 426        if (! (mix = chip->mixer_data))
 427                return -ENODEV;
 428        val = ucontrol->value.integer.value[0];
 429        if (chip->model == PMAC_TUMBLER) {
 430                if (val > TAS3001_DRC_MAX)
 431                        return -EINVAL;
 432        } else {
 433                if (val > TAS3004_DRC_MAX)
 434                        return -EINVAL;
 435        }
 436        change = mix->drc_range != val;
 437        if (change) {
 438                mix->drc_range = val;
 439                if (chip->model == PMAC_TUMBLER)
 440                        tumbler_set_drc(mix);
 441                else
 442                        snapper_set_drc(mix);
 443        }
 444        return change;
 445}
 446
 447static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
 448                                  struct snd_ctl_elem_value *ucontrol)
 449{
 450        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 451        struct pmac_tumbler *mix;
 452        if (! (mix = chip->mixer_data))
 453                return -ENODEV;
 454        ucontrol->value.integer.value[0] = mix->drc_enable;
 455        return 0;
 456}
 457
 458static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
 459                                  struct snd_ctl_elem_value *ucontrol)
 460{
 461        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 462        struct pmac_tumbler *mix;
 463        int change;
 464
 465        if (! (mix = chip->mixer_data))
 466                return -ENODEV;
 467        change = mix->drc_enable != ucontrol->value.integer.value[0];
 468        if (change) {
 469                mix->drc_enable = !!ucontrol->value.integer.value[0];
 470                if (chip->model == PMAC_TUMBLER)
 471                        tumbler_set_drc(mix);
 472                else
 473                        snapper_set_drc(mix);
 474        }
 475        return change;
 476}
 477
 478
 479/*
 480 * mono volumes
 481 */
 482
 483struct tumbler_mono_vol {
 484        int index;
 485        int reg;
 486        int bytes;
 487        unsigned int max;
 488        unsigned int *table;
 489};
 490
 491static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
 492                                   struct tumbler_mono_vol *info)
 493{
 494        unsigned char block[4];
 495        unsigned int vol;
 496        int i;
 497  
 498        if (! mix->i2c.client)
 499                return -ENODEV;
 500  
 501        vol = mix->mono_vol[info->index];
 502        if (vol >= info->max)
 503                vol = info->max - 1;
 504        vol = info->table[vol];
 505        for (i = 0; i < info->bytes; i++)
 506                block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
 507        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
 508                                           info->bytes, block) < 0) {
 509                snd_printk(KERN_ERR "failed to set mono volume %d\n",
 510                           info->index);
 511                return -EINVAL;
 512        }
 513        return 0;
 514}
 515
 516static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
 517                             struct snd_ctl_elem_info *uinfo)
 518{
 519        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 520
 521        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 522        uinfo->count = 1;
 523        uinfo->value.integer.min = 0;
 524        uinfo->value.integer.max = info->max - 1;
 525        return 0;
 526}
 527
 528static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
 529                            struct snd_ctl_elem_value *ucontrol)
 530{
 531        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 532        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 533        struct pmac_tumbler *mix;
 534        if (! (mix = chip->mixer_data))
 535                return -ENODEV;
 536        ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
 537        return 0;
 538}
 539
 540static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
 541                            struct snd_ctl_elem_value *ucontrol)
 542{
 543        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 544        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 545        struct pmac_tumbler *mix;
 546        unsigned int vol;
 547        int change;
 548
 549        if (! (mix = chip->mixer_data))
 550                return -ENODEV;
 551        vol = ucontrol->value.integer.value[0];
 552        if (vol >= info->max)
 553                return -EINVAL;
 554        change = mix->mono_vol[info->index] != vol;
 555        if (change) {
 556                mix->mono_vol[info->index] = vol;
 557                tumbler_set_mono_volume(mix, info);
 558        }
 559        return change;
 560}
 561
 562/* TAS3001c mono volumes */
 563static struct tumbler_mono_vol tumbler_pcm_vol_info = {
 564        .index = VOL_IDX_PCM_MONO,
 565        .reg = TAS_REG_PCM,
 566        .bytes = 3,
 567        .max = ARRAY_SIZE(mixer_volume_table),
 568        .table = mixer_volume_table,
 569};
 570
 571static struct tumbler_mono_vol tumbler_bass_vol_info = {
 572        .index = VOL_IDX_BASS,
 573        .reg = TAS_REG_BASS,
 574        .bytes = 1,
 575        .max = ARRAY_SIZE(bass_volume_table),
 576        .table = bass_volume_table,
 577};
 578
 579static struct tumbler_mono_vol tumbler_treble_vol_info = {
 580        .index = VOL_IDX_TREBLE,
 581        .reg = TAS_REG_TREBLE,
 582        .bytes = 1,
 583        .max = ARRAY_SIZE(treble_volume_table),
 584        .table = treble_volume_table,
 585};
 586
 587/* TAS3004 mono volumes */
 588static struct tumbler_mono_vol snapper_bass_vol_info = {
 589        .index = VOL_IDX_BASS,
 590        .reg = TAS_REG_BASS,
 591        .bytes = 1,
 592        .max = ARRAY_SIZE(snapper_bass_volume_table),
 593        .table = snapper_bass_volume_table,
 594};
 595
 596static struct tumbler_mono_vol snapper_treble_vol_info = {
 597        .index = VOL_IDX_TREBLE,
 598        .reg = TAS_REG_TREBLE,
 599        .bytes = 1,
 600        .max = ARRAY_SIZE(snapper_treble_volume_table),
 601        .table = snapper_treble_volume_table,
 602};
 603
 604
 605#define DEFINE_MONO(xname,type) { \
 606        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 607        .name = xname, \
 608        .info = tumbler_info_mono, \
 609        .get = tumbler_get_mono, \
 610        .put = tumbler_put_mono, \
 611        .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
 612}
 613
 614#define DEFINE_SNAPPER_MONO(xname,type) { \
 615        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 616        .name = xname, \
 617        .info = tumbler_info_mono, \
 618        .get = tumbler_get_mono, \
 619        .put = tumbler_put_mono, \
 620        .private_value = (unsigned long)(&snapper_##type##_vol_info), \
 621}
 622
 623
 624/*
 625 * snapper mixer volumes
 626 */
 627
 628static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
 629{
 630        int i, j, vol;
 631        unsigned char block[9];
 632
 633        vol = mix->mix_vol[idx][ch];
 634        if (vol >= ARRAY_SIZE(mixer_volume_table)) {
 635                vol = ARRAY_SIZE(mixer_volume_table) - 1;
 636                mix->mix_vol[idx][ch] = vol;
 637        }
 638
 639        for (i = 0; i < 3; i++) {
 640                vol = mix->mix_vol[i][ch];
 641                vol = mixer_volume_table[vol];
 642                for (j = 0; j < 3; j++)
 643                        block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
 644        }
 645        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
 646                                           9, block) < 0) {
 647                snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
 648                return -EINVAL;
 649        }
 650        return 0;
 651}
 652
 653static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
 654{
 655        if (! mix->i2c.client)
 656                return -ENODEV;
 657        if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
 658            snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
 659                return -EINVAL;
 660        return 0;
 661}
 662
 663static int snapper_info_mix(struct snd_kcontrol *kcontrol,
 664                            struct snd_ctl_elem_info *uinfo)
 665{
 666        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 667        uinfo->count = 2;
 668        uinfo->value.integer.min = 0;
 669        uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
 670        return 0;
 671}
 672
 673static int snapper_get_mix(struct snd_kcontrol *kcontrol,
 674                           struct snd_ctl_elem_value *ucontrol)
 675{
 676        int idx = (int)kcontrol->private_value;
 677        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 678        struct pmac_tumbler *mix;
 679        if (! (mix = chip->mixer_data))
 680                return -ENODEV;
 681        ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
 682        ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
 683        return 0;
 684}
 685
 686static int snapper_put_mix(struct snd_kcontrol *kcontrol,
 687                           struct snd_ctl_elem_value *ucontrol)
 688{
 689        int idx = (int)kcontrol->private_value;
 690        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 691        struct pmac_tumbler *mix;
 692        unsigned int vol[2];
 693        int change;
 694
 695        if (! (mix = chip->mixer_data))
 696                return -ENODEV;
 697        vol[0] = ucontrol->value.integer.value[0];
 698        vol[1] = ucontrol->value.integer.value[1];
 699        if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
 700            vol[1] >= ARRAY_SIZE(mixer_volume_table))
 701                return -EINVAL;
 702        change = mix->mix_vol[idx][0] != vol[0] ||
 703                mix->mix_vol[idx][1] != vol[1];
 704        if (change) {
 705                mix->mix_vol[idx][0] = vol[0];
 706                mix->mix_vol[idx][1] = vol[1];
 707                snapper_set_mix_vol(mix, idx);
 708        }
 709        return change;
 710}
 711
 712
 713/*
 714 * mute switches. FIXME: Turn that into software mute when both outputs are muted
 715 * to avoid codec reset on ibook M7
 716 */
 717
 718enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
 719
 720static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
 721                                   struct snd_ctl_elem_value *ucontrol)
 722{
 723        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 724        struct pmac_tumbler *mix;
 725        struct pmac_gpio *gp;
 726        if (! (mix = chip->mixer_data))
 727                return -ENODEV;
 728        switch(kcontrol->private_value) {
 729        case TUMBLER_MUTE_HP:
 730                gp = &mix->hp_mute;     break;
 731        case TUMBLER_MUTE_AMP:
 732                gp = &mix->amp_mute;    break;
 733        case TUMBLER_MUTE_LINE:
 734                gp = &mix->line_mute;   break;
 735        default:
 736                gp = NULL;
 737        }
 738        if (gp == NULL)
 739                return -EINVAL;
 740        ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
 741        return 0;
 742}
 743
 744static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
 745                                   struct snd_ctl_elem_value *ucontrol)
 746{
 747        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 748        struct pmac_tumbler *mix;
 749        struct pmac_gpio *gp;
 750        int val;
 751#ifdef PMAC_SUPPORT_AUTOMUTE
 752        if (chip->update_automute && chip->auto_mute)
 753                return 0; /* don't touch in the auto-mute mode */
 754#endif  
 755        if (! (mix = chip->mixer_data))
 756                return -ENODEV;
 757        switch(kcontrol->private_value) {
 758        case TUMBLER_MUTE_HP:
 759                gp = &mix->hp_mute;     break;
 760        case TUMBLER_MUTE_AMP:
 761                gp = &mix->amp_mute;    break;
 762        case TUMBLER_MUTE_LINE:
 763                gp = &mix->line_mute;   break;
 764        default:
 765                gp = NULL;
 766        }
 767        if (gp == NULL)
 768                return -EINVAL;
 769        val = ! check_audio_gpio(gp);
 770        if (val != ucontrol->value.integer.value[0]) {
 771                write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
 772                return 1;
 773        }
 774        return 0;
 775}
 776
 777static int snapper_set_capture_source(struct pmac_tumbler *mix)
 778{
 779        if (! mix->i2c.client)
 780                return -ENODEV;
 781        if (mix->capture_source)
 782                mix->acs = mix->acs |= 2;
 783        else
 784                mix->acs &= ~2;
 785        return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
 786}
 787
 788static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
 789                                       struct snd_ctl_elem_info *uinfo)
 790{
 791        static char *texts[2] = {
 792                "Line", "Mic"
 793        };
 794        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 795        uinfo->count = 1;
 796        uinfo->value.enumerated.items = 2;
 797        if (uinfo->value.enumerated.item > 1)
 798                uinfo->value.enumerated.item = 1;
 799        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 800        return 0;
 801}
 802
 803static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
 804                                      struct snd_ctl_elem_value *ucontrol)
 805{
 806        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 807        struct pmac_tumbler *mix = chip->mixer_data;
 808
 809        ucontrol->value.enumerated.item[0] = mix->capture_source;
 810        return 0;
 811}
 812
 813static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
 814                                      struct snd_ctl_elem_value *ucontrol)
 815{
 816        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 817        struct pmac_tumbler *mix = chip->mixer_data;
 818        int change;
 819
 820        change = ucontrol->value.enumerated.item[0] != mix->capture_source;
 821        if (change) {
 822                mix->capture_source = !!ucontrol->value.enumerated.item[0];
 823                snapper_set_capture_source(mix);
 824        }
 825        return change;
 826}
 827
 828#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
 829        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 830        .name = xname, \
 831        .info = snapper_info_mix, \
 832        .get = snapper_get_mix, \
 833        .put = snapper_put_mix, \
 834        .index = idx,\
 835        .private_value = ofs, \
 836}
 837
 838
 839/*
 840 */
 841static struct snd_kcontrol_new tumbler_mixers[] __initdata = {
 842        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 843          .name = "Master Playback Volume",
 844          .info = tumbler_info_master_volume,
 845          .get = tumbler_get_master_volume,
 846          .put = tumbler_put_master_volume
 847        },
 848        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 849          .name = "Master Playback Switch",
 850          .info = snd_pmac_boolean_stereo_info,
 851          .get = tumbler_get_master_switch,
 852          .put = tumbler_put_master_switch
 853        },
 854        DEFINE_MONO("Tone Control - Bass", bass),
 855        DEFINE_MONO("Tone Control - Treble", treble),
 856        DEFINE_MONO("PCM Playback Volume", pcm),
 857        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 858          .name = "DRC Range",
 859          .info = tumbler_info_drc_value,
 860          .get = tumbler_get_drc_value,
 861          .put = tumbler_put_drc_value
 862        },
 863};
 864
 865static struct snd_kcontrol_new snapper_mixers[] __initdata = {
 866        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 867          .name = "Master Playback Volume",
 868          .info = tumbler_info_master_volume,
 869          .get = tumbler_get_master_volume,
 870          .put = tumbler_put_master_volume
 871        },
 872        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 873          .name = "Master Playback Switch",
 874          .info = snd_pmac_boolean_stereo_info,
 875          .get = tumbler_get_master_switch,
 876          .put = tumbler_put_master_switch
 877        },
 878        DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
 879        /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
 880        DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
 881        DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 882        DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 883        DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
 884        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 885          .name = "DRC Range",
 886          .info = tumbler_info_drc_value,
 887          .get = tumbler_get_drc_value,
 888          .put = tumbler_put_drc_value
 889        },
 890        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 891          .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
 892          .info = snapper_info_capture_source,
 893          .get = snapper_get_capture_source,
 894          .put = snapper_put_capture_source
 895        },
 896};
 897
 898static struct snd_kcontrol_new tumbler_hp_sw __initdata = {
 899        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 900        .name = "Headphone Playback Switch",
 901        .info = snd_pmac_boolean_mono_info,
 902        .get = tumbler_get_mute_switch,
 903        .put = tumbler_put_mute_switch,
 904        .private_value = TUMBLER_MUTE_HP,
 905};
 906static struct snd_kcontrol_new tumbler_speaker_sw __initdata = {
 907        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 908        .name = "PC Speaker Playback Switch",
 909        .info = snd_pmac_boolean_mono_info,
 910        .get = tumbler_get_mute_switch,
 911        .put = tumbler_put_mute_switch,
 912        .private_value = TUMBLER_MUTE_AMP,
 913};
 914static struct snd_kcontrol_new tumbler_lineout_sw __initdata = {
 915        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 916        .name = "Line Out Playback Switch",
 917        .info = snd_pmac_boolean_mono_info,
 918        .get = tumbler_get_mute_switch,
 919        .put = tumbler_put_mute_switch,
 920        .private_value = TUMBLER_MUTE_LINE,
 921};
 922static struct snd_kcontrol_new tumbler_drc_sw __initdata = {
 923        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 924        .name = "DRC Switch",
 925        .info = snd_pmac_boolean_mono_info,
 926        .get = tumbler_get_drc_switch,
 927        .put = tumbler_put_drc_switch
 928};
 929
 930
 931#ifdef PMAC_SUPPORT_AUTOMUTE
 932/*
 933 * auto-mute stuffs
 934 */
 935static int tumbler_detect_headphone(struct snd_pmac *chip)
 936{
 937        struct pmac_tumbler *mix = chip->mixer_data;
 938        int detect = 0;
 939
 940        if (mix->hp_detect.addr)
 941                detect |= read_audio_gpio(&mix->hp_detect);
 942        return detect;
 943}
 944
 945static int tumbler_detect_lineout(struct snd_pmac *chip)
 946{
 947        struct pmac_tumbler *mix = chip->mixer_data;
 948        int detect = 0;
 949
 950        if (mix->line_detect.addr)
 951                detect |= read_audio_gpio(&mix->line_detect);
 952        return detect;
 953}
 954
 955static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
 956                       struct snd_kcontrol *sw)
 957{
 958        if (check_audio_gpio(gp) != val) {
 959                write_audio_gpio(gp, val);
 960                if (do_notify)
 961                        snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 962                                       &sw->id);
 963        }
 964}
 965
 966static struct work_struct device_change;
 967static struct snd_pmac *device_change_chip;
 968
 969static void device_change_handler(struct work_struct *work)
 970{
 971        struct snd_pmac *chip = device_change_chip;
 972        struct pmac_tumbler *mix;
 973        int headphone, lineout;
 974
 975        if (!chip)
 976                return;
 977
 978        mix = chip->mixer_data;
 979        if (snd_BUG_ON(!mix))
 980                return;
 981
 982        headphone = tumbler_detect_headphone(chip);
 983        lineout = tumbler_detect_lineout(chip);
 984
 985        DBG("headphone: %d, lineout: %d\n", headphone, lineout);
 986
 987        if (headphone || lineout) {
 988                /* unmute headphone/lineout & mute speaker */
 989                if (headphone)
 990                        check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
 991                                   chip->master_sw_ctl);
 992                if (lineout && mix->line_mute.addr != 0)
 993                        check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
 994                                   chip->lineout_sw_ctl);
 995                if (mix->anded_reset)
 996                        msleep(10);
 997                check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
 998                           chip->speaker_sw_ctl);
 999        } else {
1000                /* unmute speaker, mute others */
1001                check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1002                           chip->speaker_sw_ctl);
1003                if (mix->anded_reset)
1004                        msleep(10);
1005                check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1006                           chip->master_sw_ctl);
1007                if (mix->line_mute.addr != 0)
1008                        check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1009                                   chip->lineout_sw_ctl);
1010        }
1011        if (mix->auto_mute_notify)
1012                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1013                                       &chip->hp_detect_ctl->id);
1014
1015#ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1016        mix->drc_enable = ! (headphone || lineout);
1017        if (mix->auto_mute_notify)
1018                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1019                               &chip->drc_sw_ctl->id);
1020        if (chip->model == PMAC_TUMBLER)
1021                tumbler_set_drc(mix);
1022        else
1023                snapper_set_drc(mix);
1024#endif
1025
1026        /* reset the master volume so the correct amplification is applied */
1027        tumbler_set_master_volume(mix);
1028}
1029
1030static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1031{
1032        if (chip->auto_mute) {
1033                struct pmac_tumbler *mix;
1034                mix = chip->mixer_data;
1035                if (snd_BUG_ON(!mix))
1036                        return;
1037                mix->auto_mute_notify = do_notify;
1038                schedule_work(&device_change);
1039        }
1040}
1041#endif /* PMAC_SUPPORT_AUTOMUTE */
1042
1043
1044/* interrupt - headphone plug changed */
1045static irqreturn_t headphone_intr(int irq, void *devid)
1046{
1047        struct snd_pmac *chip = devid;
1048        if (chip->update_automute && chip->initialized) {
1049                chip->update_automute(chip, 1);
1050                return IRQ_HANDLED;
1051        }
1052        return IRQ_NONE;
1053}
1054
1055/* look for audio-gpio device */
1056static struct device_node *find_audio_device(const char *name)
1057{
1058        struct device_node *gpiop;
1059        struct device_node *np;
1060  
1061        gpiop = of_find_node_by_name(NULL, "gpio");
1062        if (! gpiop)
1063                return NULL;
1064  
1065        for (np = of_get_next_child(gpiop, NULL); np;
1066                        np = of_get_next_child(gpiop, np)) {
1067                const char *property = of_get_property(np, "audio-gpio", NULL);
1068                if (property && strcmp(property, name) == 0)
1069                        break;
1070        }  
1071        of_node_put(gpiop);
1072        return np;
1073}
1074
1075/* look for audio-gpio device */
1076static struct device_node *find_compatible_audio_device(const char *name)
1077{
1078        struct device_node *gpiop;
1079        struct device_node *np;
1080  
1081        gpiop = of_find_node_by_name(NULL, "gpio");
1082        if (!gpiop)
1083                return NULL;
1084  
1085        for (np = of_get_next_child(gpiop, NULL); np;
1086                        np = of_get_next_child(gpiop, np)) {
1087                if (of_device_is_compatible(np, name))
1088                        break;
1089        }  
1090        of_node_put(gpiop);
1091        return np;
1092}
1093
1094/* find an audio device and get its address */
1095static long tumbler_find_device(const char *device, const char *platform,
1096                                struct pmac_gpio *gp, int is_compatible)
1097{
1098        struct device_node *node;
1099        const u32 *base;
1100        u32 addr;
1101        long ret;
1102
1103        if (is_compatible)
1104                node = find_compatible_audio_device(device);
1105        else
1106                node = find_audio_device(device);
1107        if (! node) {
1108                DBG("(W) cannot find audio device %s !\n", device);
1109                snd_printdd("cannot find device %s\n", device);
1110                return -ENODEV;
1111        }
1112
1113        base = of_get_property(node, "AAPL,address", NULL);
1114        if (! base) {
1115                base = of_get_property(node, "reg", NULL);
1116                if (!base) {
1117                        DBG("(E) cannot find address for device %s !\n", device);
1118                        snd_printd("cannot find address for device %s\n", device);
1119                        of_node_put(node);
1120                        return -ENODEV;
1121                }
1122                addr = *base;
1123                if (addr < 0x50)
1124                        addr += 0x50;
1125        } else
1126                addr = *base;
1127
1128        gp->addr = addr & 0x0000ffff;
1129        /* Try to find the active state, default to 0 ! */
1130        base = of_get_property(node, "audio-gpio-active-state", NULL);
1131        if (base) {
1132                gp->active_state = *base;
1133                gp->active_val = (*base) ? 0x5 : 0x4;
1134                gp->inactive_val = (*base) ? 0x4 : 0x5;
1135        } else {
1136                const u32 *prop = NULL;
1137                gp->active_state = 0;
1138                gp->active_val = 0x4;
1139                gp->inactive_val = 0x5;
1140                /* Here are some crude hacks to extract the GPIO polarity and
1141                 * open collector informations out of the do-platform script
1142                 * as we don't yet have an interpreter for these things
1143                 */
1144                if (platform)
1145                        prop = of_get_property(node, platform, NULL);
1146                if (prop) {
1147                        if (prop[3] == 0x9 && prop[4] == 0x9) {
1148                                gp->active_val = 0xd;
1149                                gp->inactive_val = 0xc;
1150                        }
1151                        if (prop[3] == 0x1 && prop[4] == 0x1) {
1152                                gp->active_val = 0x5;
1153                                gp->inactive_val = 0x4;
1154                        }
1155                }
1156        }
1157
1158        DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1159            device, gp->addr, gp->active_state);
1160
1161        ret = irq_of_parse_and_map(node, 0);
1162        of_node_put(node);
1163        return ret;
1164}
1165
1166/* reset audio */
1167static void tumbler_reset_audio(struct snd_pmac *chip)
1168{
1169        struct pmac_tumbler *mix = chip->mixer_data;
1170
1171        if (mix->anded_reset) {
1172                DBG("(I) codec anded reset !\n");
1173                write_audio_gpio(&mix->hp_mute, 0);
1174                write_audio_gpio(&mix->amp_mute, 0);
1175                msleep(200);
1176                write_audio_gpio(&mix->hp_mute, 1);
1177                write_audio_gpio(&mix->amp_mute, 1);
1178                msleep(100);
1179                write_audio_gpio(&mix->hp_mute, 0);
1180                write_audio_gpio(&mix->amp_mute, 0);
1181                msleep(100);
1182        } else {
1183                DBG("(I) codec normal reset !\n");
1184
1185                write_audio_gpio(&mix->audio_reset, 0);
1186                msleep(200);
1187                write_audio_gpio(&mix->audio_reset, 1);
1188                msleep(100);
1189                write_audio_gpio(&mix->audio_reset, 0);
1190                msleep(100);
1191        }
1192}
1193
1194#ifdef CONFIG_PM
1195/* suspend mixer */
1196static void tumbler_suspend(struct snd_pmac *chip)
1197{
1198        struct pmac_tumbler *mix = chip->mixer_data;
1199
1200        if (mix->headphone_irq >= 0)
1201                disable_irq(mix->headphone_irq);
1202        if (mix->lineout_irq >= 0)
1203                disable_irq(mix->lineout_irq);
1204        mix->save_master_switch[0] = mix->master_switch[0];
1205        mix->save_master_switch[1] = mix->master_switch[1];
1206        mix->save_master_vol[0] = mix->master_vol[0];
1207        mix->save_master_vol[1] = mix->master_vol[1];
1208        mix->master_switch[0] = mix->master_switch[1] = 0;
1209        tumbler_set_master_volume(mix);
1210        if (!mix->anded_reset) {
1211                write_audio_gpio(&mix->amp_mute, 1);
1212                write_audio_gpio(&mix->hp_mute, 1);
1213        }
1214        if (chip->model == PMAC_SNAPPER) {
1215                mix->acs |= 1;
1216                i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1217        }
1218        if (mix->anded_reset) {
1219                write_audio_gpio(&mix->amp_mute, 1);
1220                write_audio_gpio(&mix->hp_mute, 1);
1221        } else
1222                write_audio_gpio(&mix->audio_reset, 1);
1223}
1224
1225/* resume mixer */
1226static void tumbler_resume(struct snd_pmac *chip)
1227{
1228        struct pmac_tumbler *mix = chip->mixer_data;
1229
1230        mix->acs &= ~1;
1231        mix->master_switch[0] = mix->save_master_switch[0];
1232        mix->master_switch[1] = mix->save_master_switch[1];
1233        mix->master_vol[0] = mix->save_master_vol[0];
1234        mix->master_vol[1] = mix->save_master_vol[1];
1235        tumbler_reset_audio(chip);
1236        if (mix->i2c.client && mix->i2c.init_client) {
1237                if (mix->i2c.init_client(&mix->i2c) < 0)
1238                        printk(KERN_ERR "tumbler_init_client error\n");
1239        } else
1240                printk(KERN_ERR "tumbler: i2c is not initialized\n");
1241        if (chip->model == PMAC_TUMBLER) {
1242                tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1243                tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1244                tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1245                tumbler_set_drc(mix);
1246        } else {
1247                snapper_set_mix_vol(mix, VOL_IDX_PCM);
1248                snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1249                snapper_set_mix_vol(mix, VOL_IDX_ADC);
1250                tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1251                tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1252                snapper_set_drc(mix);
1253                snapper_set_capture_source(mix);
1254        }
1255        tumbler_set_master_volume(mix);
1256        if (chip->update_automute)
1257                chip->update_automute(chip, 0);
1258        if (mix->headphone_irq >= 0) {
1259                unsigned char val;
1260
1261                enable_irq(mix->headphone_irq);
1262                /* activate headphone status interrupts */
1263                val = do_gpio_read(&mix->hp_detect);
1264                do_gpio_write(&mix->hp_detect, val | 0x80);
1265        }
1266        if (mix->lineout_irq >= 0)
1267                enable_irq(mix->lineout_irq);
1268}
1269#endif
1270
1271/* initialize tumbler */
1272static int __init tumbler_init(struct snd_pmac *chip)
1273{
1274        int irq;
1275        struct pmac_tumbler *mix = chip->mixer_data;
1276
1277        if (tumbler_find_device("audio-hw-reset",
1278                                "platform-do-hw-reset",
1279                                &mix->audio_reset, 0) < 0)
1280                tumbler_find_device("hw-reset",
1281                                    "platform-do-hw-reset",
1282                                    &mix->audio_reset, 1);
1283        if (tumbler_find_device("amp-mute",
1284                                "platform-do-amp-mute",
1285                                &mix->amp_mute, 0) < 0)
1286                tumbler_find_device("amp-mute",
1287                                    "platform-do-amp-mute",
1288                                    &mix->amp_mute, 1);
1289        if (tumbler_find_device("headphone-mute",
1290                                "platform-do-headphone-mute",
1291                                &mix->hp_mute, 0) < 0)
1292                tumbler_find_device("headphone-mute",
1293                                    "platform-do-headphone-mute",
1294                                    &mix->hp_mute, 1);
1295        if (tumbler_find_device("line-output-mute",
1296                                "platform-do-lineout-mute",
1297                                &mix->line_mute, 0) < 0)
1298                tumbler_find_device("line-output-mute",
1299                                   "platform-do-lineout-mute",
1300                                    &mix->line_mute, 1);
1301        irq = tumbler_find_device("headphone-detect",
1302                                  NULL, &mix->hp_detect, 0);
1303        if (irq <= NO_IRQ)
1304                irq = tumbler_find_device("headphone-detect",
1305                                          NULL, &mix->hp_detect, 1);
1306        if (irq <= NO_IRQ)
1307                irq = tumbler_find_device("keywest-gpio15",
1308                                          NULL, &mix->hp_detect, 1);
1309        mix->headphone_irq = irq;
1310        irq = tumbler_find_device("line-output-detect",
1311                                  NULL, &mix->line_detect, 0);
1312        if (irq <= NO_IRQ)
1313                irq = tumbler_find_device("line-output-detect",
1314                                          NULL, &mix->line_detect, 1);
1315        mix->lineout_irq = irq;
1316
1317        tumbler_reset_audio(chip);
1318  
1319        return 0;
1320}
1321
1322static void tumbler_cleanup(struct snd_pmac *chip)
1323{
1324        struct pmac_tumbler *mix = chip->mixer_data;
1325        if (! mix)
1326                return;
1327
1328        if (mix->headphone_irq >= 0)
1329                free_irq(mix->headphone_irq, chip);
1330        if (mix->lineout_irq >= 0)
1331                free_irq(mix->lineout_irq, chip);
1332        tumbler_gpio_free(&mix->audio_reset);
1333        tumbler_gpio_free(&mix->amp_mute);
1334        tumbler_gpio_free(&mix->hp_mute);
1335        tumbler_gpio_free(&mix->hp_detect);
1336        snd_pmac_keywest_cleanup(&mix->i2c);
1337        kfree(mix);
1338        chip->mixer_data = NULL;
1339}
1340
1341/* exported */
1342int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
1343{
1344        int i, err;
1345        struct pmac_tumbler *mix;
1346        const u32 *paddr;
1347        struct device_node *tas_node, *np;
1348        char *chipname;
1349
1350        request_module("i2c-powermac");
1351
1352        mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1353        if (! mix)
1354                return -ENOMEM;
1355        mix->headphone_irq = -1;
1356
1357        chip->mixer_data = mix;
1358        chip->mixer_free = tumbler_cleanup;
1359        mix->anded_reset = 0;
1360        mix->reset_on_sleep = 1;
1361
1362        for (np = chip->node->child; np; np = np->sibling) {
1363                if (!strcmp(np->name, "sound")) {
1364                        if (of_get_property(np, "has-anded-reset", NULL))
1365                                mix->anded_reset = 1;
1366                        if (of_get_property(np, "layout-id", NULL))
1367                                mix->reset_on_sleep = 0;
1368                        break;
1369                }
1370        }
1371        if ((err = tumbler_init(chip)) < 0)
1372                return err;
1373
1374        /* set up TAS */
1375        tas_node = of_find_node_by_name(NULL, "deq");
1376        if (tas_node == NULL)
1377                tas_node = of_find_node_by_name(NULL, "codec");
1378        if (tas_node == NULL)
1379                return -ENODEV;
1380
1381        paddr = of_get_property(tas_node, "i2c-address", NULL);
1382        if (paddr == NULL)
1383                paddr = of_get_property(tas_node, "reg", NULL);
1384        if (paddr)
1385                mix->i2c.addr = (*paddr) >> 1;
1386        else
1387                mix->i2c.addr = TAS_I2C_ADDR;
1388        of_node_put(tas_node);
1389
1390        DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1391
1392        if (chip->model == PMAC_TUMBLER) {
1393                mix->i2c.init_client = tumbler_init_client;
1394                mix->i2c.name = "TAS3001c";
1395                chipname = "Tumbler";
1396        } else {
1397                mix->i2c.init_client = snapper_init_client;
1398                mix->i2c.name = "TAS3004";
1399                chipname = "Snapper";
1400        }
1401
1402        if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1403                return err;
1404
1405        /*
1406         * build mixers
1407         */
1408        sprintf(chip->card->mixername, "PowerMac %s", chipname);
1409
1410        if (chip->model == PMAC_TUMBLER) {
1411                for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1412                        if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1413                                return err;
1414                }
1415        } else {
1416                for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1417                        if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1418                                return err;
1419                }
1420        }
1421        chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1422        if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1423                return err;
1424        chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1425        if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1426                return err;
1427        if (mix->line_mute.addr != 0) {
1428                chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1429                if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1430                        return err;
1431        }
1432        chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1433        if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1434                return err;
1435
1436        /* set initial DRC range to 60% */
1437        if (chip->model == PMAC_TUMBLER)
1438                mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1439        else
1440                mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1441        mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1442        if (chip->model == PMAC_TUMBLER)
1443                tumbler_set_drc(mix);
1444        else
1445                snapper_set_drc(mix);
1446
1447#ifdef CONFIG_PM
1448        chip->suspend = tumbler_suspend;
1449        chip->resume = tumbler_resume;
1450#endif
1451
1452        INIT_WORK(&device_change, device_change_handler);
1453        device_change_chip = chip;
1454
1455#ifdef PMAC_SUPPORT_AUTOMUTE
1456        if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1457            && (err = snd_pmac_add_automute(chip)) < 0)
1458                return err;
1459        chip->detect_headphone = tumbler_detect_headphone;
1460        chip->update_automute = tumbler_update_automute;
1461        tumbler_update_automute(chip, 0); /* update the status only */
1462
1463        /* activate headphone status interrupts */
1464        if (mix->headphone_irq >= 0) {
1465                unsigned char val;
1466                if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1467                                       "Sound Headphone Detection", chip)) < 0)
1468                        return 0;
1469                /* activate headphone status interrupts */
1470                val = do_gpio_read(&mix->hp_detect);
1471                do_gpio_write(&mix->hp_detect, val | 0x80);
1472        }
1473        if (mix->lineout_irq >= 0) {
1474                unsigned char val;
1475                if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1476                                       "Sound Lineout Detection", chip)) < 0)
1477                        return 0;
1478                /* activate headphone status interrupts */
1479                val = do_gpio_read(&mix->line_detect);
1480                do_gpio_write(&mix->line_detect, val | 0x80);
1481        }
1482#endif
1483
1484        return 0;
1485}
1486