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(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("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("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("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("failed to set mono volume %d\n", info->index);
 510                return -EINVAL;
 511        }
 512        return 0;
 513}
 514
 515static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
 516                             struct snd_ctl_elem_info *uinfo)
 517{
 518        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 519
 520        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 521        uinfo->count = 1;
 522        uinfo->value.integer.min = 0;
 523        uinfo->value.integer.max = info->max - 1;
 524        return 0;
 525}
 526
 527static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
 528                            struct snd_ctl_elem_value *ucontrol)
 529{
 530        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 531        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 532        struct pmac_tumbler *mix;
 533        if (! (mix = chip->mixer_data))
 534                return -ENODEV;
 535        ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
 536        return 0;
 537}
 538
 539static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
 540                            struct snd_ctl_elem_value *ucontrol)
 541{
 542        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 543        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 544        struct pmac_tumbler *mix;
 545        unsigned int vol;
 546        int change;
 547
 548        if (! (mix = chip->mixer_data))
 549                return -ENODEV;
 550        vol = ucontrol->value.integer.value[0];
 551        if (vol >= info->max)
 552                return -EINVAL;
 553        change = mix->mono_vol[info->index] != vol;
 554        if (change) {
 555                mix->mono_vol[info->index] = vol;
 556                tumbler_set_mono_volume(mix, info);
 557        }
 558        return change;
 559}
 560
 561/* TAS3001c mono volumes */
 562static struct tumbler_mono_vol tumbler_pcm_vol_info = {
 563        .index = VOL_IDX_PCM_MONO,
 564        .reg = TAS_REG_PCM,
 565        .bytes = 3,
 566        .max = ARRAY_SIZE(mixer_volume_table),
 567        .table = mixer_volume_table,
 568};
 569
 570static struct tumbler_mono_vol tumbler_bass_vol_info = {
 571        .index = VOL_IDX_BASS,
 572        .reg = TAS_REG_BASS,
 573        .bytes = 1,
 574        .max = ARRAY_SIZE(bass_volume_table),
 575        .table = bass_volume_table,
 576};
 577
 578static struct tumbler_mono_vol tumbler_treble_vol_info = {
 579        .index = VOL_IDX_TREBLE,
 580        .reg = TAS_REG_TREBLE,
 581        .bytes = 1,
 582        .max = ARRAY_SIZE(treble_volume_table),
 583        .table = treble_volume_table,
 584};
 585
 586/* TAS3004 mono volumes */
 587static struct tumbler_mono_vol snapper_bass_vol_info = {
 588        .index = VOL_IDX_BASS,
 589        .reg = TAS_REG_BASS,
 590        .bytes = 1,
 591        .max = ARRAY_SIZE(snapper_bass_volume_table),
 592        .table = snapper_bass_volume_table,
 593};
 594
 595static struct tumbler_mono_vol snapper_treble_vol_info = {
 596        .index = VOL_IDX_TREBLE,
 597        .reg = TAS_REG_TREBLE,
 598        .bytes = 1,
 599        .max = ARRAY_SIZE(snapper_treble_volume_table),
 600        .table = snapper_treble_volume_table,
 601};
 602
 603
 604#define DEFINE_MONO(xname,type) { \
 605        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 606        .name = xname, \
 607        .info = tumbler_info_mono, \
 608        .get = tumbler_get_mono, \
 609        .put = tumbler_put_mono, \
 610        .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
 611}
 612
 613#define DEFINE_SNAPPER_MONO(xname,type) { \
 614        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 615        .name = xname, \
 616        .info = tumbler_info_mono, \
 617        .get = tumbler_get_mono, \
 618        .put = tumbler_put_mono, \
 619        .private_value = (unsigned long)(&snapper_##type##_vol_info), \
 620}
 621
 622
 623/*
 624 * snapper mixer volumes
 625 */
 626
 627static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
 628{
 629        int i, j, vol;
 630        unsigned char block[9];
 631
 632        vol = mix->mix_vol[idx][ch];
 633        if (vol >= ARRAY_SIZE(mixer_volume_table)) {
 634                vol = ARRAY_SIZE(mixer_volume_table) - 1;
 635                mix->mix_vol[idx][ch] = vol;
 636        }
 637
 638        for (i = 0; i < 3; i++) {
 639                vol = mix->mix_vol[i][ch];
 640                vol = mixer_volume_table[vol];
 641                for (j = 0; j < 3; j++)
 642                        block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
 643        }
 644        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
 645                                           9, block) < 0) {
 646                snd_printk("failed to set mono volume %d\n", reg);
 647                return -EINVAL;
 648        }
 649        return 0;
 650}
 651
 652static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
 653{
 654        if (! mix->i2c.client)
 655                return -ENODEV;
 656        if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
 657            snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
 658                return -EINVAL;
 659        return 0;
 660}
 661
 662static int snapper_info_mix(struct snd_kcontrol *kcontrol,
 663                            struct snd_ctl_elem_info *uinfo)
 664{
 665        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 666        uinfo->count = 2;
 667        uinfo->value.integer.min = 0;
 668        uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
 669        return 0;
 670}
 671
 672static int snapper_get_mix(struct snd_kcontrol *kcontrol,
 673                           struct snd_ctl_elem_value *ucontrol)
 674{
 675        int idx = (int)kcontrol->private_value;
 676        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 677        struct pmac_tumbler *mix;
 678        if (! (mix = chip->mixer_data))
 679                return -ENODEV;
 680        ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
 681        ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
 682        return 0;
 683}
 684
 685static int snapper_put_mix(struct snd_kcontrol *kcontrol,
 686                           struct snd_ctl_elem_value *ucontrol)
 687{
 688        int idx = (int)kcontrol->private_value;
 689        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 690        struct pmac_tumbler *mix;
 691        unsigned int vol[2];
 692        int change;
 693
 694        if (! (mix = chip->mixer_data))
 695                return -ENODEV;
 696        vol[0] = ucontrol->value.integer.value[0];
 697        vol[1] = ucontrol->value.integer.value[1];
 698        if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
 699            vol[1] >= ARRAY_SIZE(mixer_volume_table))
 700                return -EINVAL;
 701        change = mix->mix_vol[idx][0] != vol[0] ||
 702                mix->mix_vol[idx][1] != vol[1];
 703        if (change) {
 704                mix->mix_vol[idx][0] = vol[0];
 705                mix->mix_vol[idx][1] = vol[1];
 706                snapper_set_mix_vol(mix, idx);
 707        }
 708        return change;
 709}
 710
 711
 712/*
 713 * mute switches. FIXME: Turn that into software mute when both outputs are muted
 714 * to avoid codec reset on ibook M7
 715 */
 716
 717enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
 718
 719static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
 720                                   struct snd_ctl_elem_value *ucontrol)
 721{
 722        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 723        struct pmac_tumbler *mix;
 724        struct pmac_gpio *gp;
 725        if (! (mix = chip->mixer_data))
 726                return -ENODEV;
 727        switch(kcontrol->private_value) {
 728        case TUMBLER_MUTE_HP:
 729                gp = &mix->hp_mute;     break;
 730        case TUMBLER_MUTE_AMP:
 731                gp = &mix->amp_mute;    break;
 732        case TUMBLER_MUTE_LINE:
 733                gp = &mix->line_mute;   break;
 734        default:
 735                gp = NULL;
 736        }
 737        if (gp == NULL)
 738                return -EINVAL;
 739        ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
 740        return 0;
 741}
 742
 743static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
 744                                   struct snd_ctl_elem_value *ucontrol)
 745{
 746        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 747        struct pmac_tumbler *mix;
 748        struct pmac_gpio *gp;
 749        int val;
 750#ifdef PMAC_SUPPORT_AUTOMUTE
 751        if (chip->update_automute && chip->auto_mute)
 752                return 0; /* don't touch in the auto-mute mode */
 753#endif  
 754        if (! (mix = chip->mixer_data))
 755                return -ENODEV;
 756        switch(kcontrol->private_value) {
 757        case TUMBLER_MUTE_HP:
 758                gp = &mix->hp_mute;     break;
 759        case TUMBLER_MUTE_AMP:
 760                gp = &mix->amp_mute;    break;
 761        case TUMBLER_MUTE_LINE:
 762                gp = &mix->line_mute;   break;
 763        default:
 764                gp = NULL;
 765        }
 766        if (gp == NULL)
 767                return -EINVAL;
 768        val = ! check_audio_gpio(gp);
 769        if (val != ucontrol->value.integer.value[0]) {
 770                write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
 771                return 1;
 772        }
 773        return 0;
 774}
 775
 776static int snapper_set_capture_source(struct pmac_tumbler *mix)
 777{
 778        if (! mix->i2c.client)
 779                return -ENODEV;
 780        if (mix->capture_source)
 781                mix->acs = mix->acs |= 2;
 782        else
 783                mix->acs &= ~2;
 784        return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
 785}
 786
 787static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
 788                                       struct snd_ctl_elem_info *uinfo)
 789{
 790        static char *texts[2] = {
 791                "Line", "Mic"
 792        };
 793        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 794        uinfo->count = 1;
 795        uinfo->value.enumerated.items = 2;
 796        if (uinfo->value.enumerated.item > 1)
 797                uinfo->value.enumerated.item = 1;
 798        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 799        return 0;
 800}
 801
 802static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
 803                                      struct snd_ctl_elem_value *ucontrol)
 804{
 805        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 806        struct pmac_tumbler *mix = chip->mixer_data;
 807
 808        ucontrol->value.enumerated.item[0] = mix->capture_source;
 809        return 0;
 810}
 811
 812static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
 813                                      struct snd_ctl_elem_value *ucontrol)
 814{
 815        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 816        struct pmac_tumbler *mix = chip->mixer_data;
 817        int change;
 818
 819        change = ucontrol->value.enumerated.item[0] != mix->capture_source;
 820        if (change) {
 821                mix->capture_source = !!ucontrol->value.enumerated.item[0];
 822                snapper_set_capture_source(mix);
 823        }
 824        return change;
 825}
 826
 827#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
 828        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 829        .name = xname, \
 830        .info = snapper_info_mix, \
 831        .get = snapper_get_mix, \
 832        .put = snapper_put_mix, \
 833        .index = idx,\
 834        .private_value = ofs, \
 835}
 836
 837
 838/*
 839 */
 840static struct snd_kcontrol_new tumbler_mixers[] __initdata = {
 841        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 842          .name = "Master Playback Volume",
 843          .info = tumbler_info_master_volume,
 844          .get = tumbler_get_master_volume,
 845          .put = tumbler_put_master_volume
 846        },
 847        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 848          .name = "Master Playback Switch",
 849          .info = snd_pmac_boolean_stereo_info,
 850          .get = tumbler_get_master_switch,
 851          .put = tumbler_put_master_switch
 852        },
 853        DEFINE_MONO("Tone Control - Bass", bass),
 854        DEFINE_MONO("Tone Control - Treble", treble),
 855        DEFINE_MONO("PCM Playback Volume", pcm),
 856        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 857          .name = "DRC Range",
 858          .info = tumbler_info_drc_value,
 859          .get = tumbler_get_drc_value,
 860          .put = tumbler_put_drc_value
 861        },
 862};
 863
 864static struct snd_kcontrol_new snapper_mixers[] __initdata = {
 865        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 866          .name = "Master Playback Volume",
 867          .info = tumbler_info_master_volume,
 868          .get = tumbler_get_master_volume,
 869          .put = tumbler_put_master_volume
 870        },
 871        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 872          .name = "Master Playback Switch",
 873          .info = snd_pmac_boolean_stereo_info,
 874          .get = tumbler_get_master_switch,
 875          .put = tumbler_put_master_switch
 876        },
 877        DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
 878        /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
 879        DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
 880        DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 881        DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 882        DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
 883        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 884          .name = "DRC Range",
 885          .info = tumbler_info_drc_value,
 886          .get = tumbler_get_drc_value,
 887          .put = tumbler_put_drc_value
 888        },
 889        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 890          .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
 891          .info = snapper_info_capture_source,
 892          .get = snapper_get_capture_source,
 893          .put = snapper_put_capture_source
 894        },
 895};
 896
 897static struct snd_kcontrol_new tumbler_hp_sw __initdata = {
 898        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 899        .name = "Headphone Playback Switch",
 900        .info = snd_pmac_boolean_mono_info,
 901        .get = tumbler_get_mute_switch,
 902        .put = tumbler_put_mute_switch,
 903        .private_value = TUMBLER_MUTE_HP,
 904};
 905static struct snd_kcontrol_new tumbler_speaker_sw __initdata = {
 906        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 907        .name = "PC Speaker Playback Switch",
 908        .info = snd_pmac_boolean_mono_info,
 909        .get = tumbler_get_mute_switch,
 910        .put = tumbler_put_mute_switch,
 911        .private_value = TUMBLER_MUTE_AMP,
 912};
 913static struct snd_kcontrol_new tumbler_lineout_sw __initdata = {
 914        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 915        .name = "Line Out Playback Switch",
 916        .info = snd_pmac_boolean_mono_info,
 917        .get = tumbler_get_mute_switch,
 918        .put = tumbler_put_mute_switch,
 919        .private_value = TUMBLER_MUTE_LINE,
 920};
 921static struct snd_kcontrol_new tumbler_drc_sw __initdata = {
 922        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 923        .name = "DRC Switch",
 924        .info = snd_pmac_boolean_mono_info,
 925        .get = tumbler_get_drc_switch,
 926        .put = tumbler_put_drc_switch
 927};
 928
 929
 930#ifdef PMAC_SUPPORT_AUTOMUTE
 931/*
 932 * auto-mute stuffs
 933 */
 934static int tumbler_detect_headphone(struct snd_pmac *chip)
 935{
 936        struct pmac_tumbler *mix = chip->mixer_data;
 937        int detect = 0;
 938
 939        if (mix->hp_detect.addr)
 940                detect |= read_audio_gpio(&mix->hp_detect);
 941        return detect;
 942}
 943
 944static int tumbler_detect_lineout(struct snd_pmac *chip)
 945{
 946        struct pmac_tumbler *mix = chip->mixer_data;
 947        int detect = 0;
 948
 949        if (mix->line_detect.addr)
 950                detect |= read_audio_gpio(&mix->line_detect);
 951        return detect;
 952}
 953
 954static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
 955                       struct snd_kcontrol *sw)
 956{
 957        if (check_audio_gpio(gp) != val) {
 958                write_audio_gpio(gp, val);
 959                if (do_notify)
 960                        snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 961                                       &sw->id);
 962        }
 963}
 964
 965static struct work_struct device_change;
 966static struct snd_pmac *device_change_chip;
 967
 968static void device_change_handler(struct work_struct *work)
 969{
 970        struct snd_pmac *chip = device_change_chip;
 971        struct pmac_tumbler *mix;
 972        int headphone, lineout;
 973
 974        if (!chip)
 975                return;
 976
 977        mix = chip->mixer_data;
 978        if (snd_BUG_ON(!mix))
 979                return;
 980
 981        headphone = tumbler_detect_headphone(chip);
 982        lineout = tumbler_detect_lineout(chip);
 983
 984        DBG("headphone: %d, lineout: %d\n", headphone, lineout);
 985
 986        if (headphone || lineout) {
 987                /* unmute headphone/lineout & mute speaker */
 988                if (headphone)
 989                        check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
 990                                   chip->master_sw_ctl);
 991                if (lineout && mix->line_mute.addr != 0)
 992                        check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
 993                                   chip->lineout_sw_ctl);
 994                if (mix->anded_reset)
 995                        msleep(10);
 996                check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify,
 997                           chip->speaker_sw_ctl);
 998        } else {
 999                /* unmute speaker, mute others */
1000                check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1001                           chip->speaker_sw_ctl);
1002                if (mix->anded_reset)
1003                        msleep(10);
1004                check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1005                           chip->master_sw_ctl);
1006                if (mix->line_mute.addr != 0)
1007                        check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1008                                   chip->lineout_sw_ctl);
1009        }
1010        if (mix->auto_mute_notify)
1011                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1012                                       &chip->hp_detect_ctl->id);
1013
1014#ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1015        mix->drc_enable = ! (headphone || lineout);
1016        if (mix->auto_mute_notify)
1017                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1018                               &chip->drc_sw_ctl->id);
1019        if (chip->model == PMAC_TUMBLER)
1020                tumbler_set_drc(mix);
1021        else
1022                snapper_set_drc(mix);
1023#endif
1024
1025        /* reset the master volume so the correct amplification is applied */
1026        tumbler_set_master_volume(mix);
1027}
1028
1029static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1030{
1031        if (chip->auto_mute) {
1032                struct pmac_tumbler *mix;
1033                mix = chip->mixer_data;
1034                if (snd_BUG_ON(!mix))
1035                        return;
1036                mix->auto_mute_notify = do_notify;
1037                schedule_work(&device_change);
1038        }
1039}
1040#endif /* PMAC_SUPPORT_AUTOMUTE */
1041
1042
1043/* interrupt - headphone plug changed */
1044static irqreturn_t headphone_intr(int irq, void *devid)
1045{
1046        struct snd_pmac *chip = devid;
1047        if (chip->update_automute && chip->initialized) {
1048                chip->update_automute(chip, 1);
1049                return IRQ_HANDLED;
1050        }
1051        return IRQ_NONE;
1052}
1053
1054/* look for audio-gpio device */
1055static struct device_node *find_audio_device(const char *name)
1056{
1057        struct device_node *gpiop;
1058        struct device_node *np;
1059  
1060        gpiop = of_find_node_by_name(NULL, "gpio");
1061        if (! gpiop)
1062                return NULL;
1063  
1064        for (np = of_get_next_child(gpiop, NULL); np;
1065                        np = of_get_next_child(gpiop, np)) {
1066                const char *property = of_get_property(np, "audio-gpio", NULL);
1067                if (property && strcmp(property, name) == 0)
1068                        break;
1069        }  
1070        of_node_put(gpiop);
1071        return np;
1072}
1073
1074/* look for audio-gpio device */
1075static struct device_node *find_compatible_audio_device(const char *name)
1076{
1077        struct device_node *gpiop;
1078        struct device_node *np;
1079  
1080        gpiop = of_find_node_by_name(NULL, "gpio");
1081        if (!gpiop)
1082                return NULL;
1083  
1084        for (np = of_get_next_child(gpiop, NULL); np;
1085                        np = of_get_next_child(gpiop, np)) {
1086                if (of_device_is_compatible(np, name))
1087                        break;
1088        }  
1089        of_node_put(gpiop);
1090        return np;
1091}
1092
1093/* find an audio device and get its address */
1094static long tumbler_find_device(const char *device, const char *platform,
1095                                struct pmac_gpio *gp, int is_compatible)
1096{
1097        struct device_node *node;
1098        const u32 *base;
1099        u32 addr;
1100        long ret;
1101
1102        if (is_compatible)
1103                node = find_compatible_audio_device(device);
1104        else
1105                node = find_audio_device(device);
1106        if (! node) {
1107                DBG("(W) cannot find audio device %s !\n", device);
1108                snd_printdd("cannot find device %s\n", device);
1109                return -ENODEV;
1110        }
1111
1112        base = of_get_property(node, "AAPL,address", NULL);
1113        if (! base) {
1114                base = of_get_property(node, "reg", NULL);
1115                if (!base) {
1116                        DBG("(E) cannot find address for device %s !\n", device);
1117                        snd_printd("cannot find address for device %s\n", device);
1118                        of_node_put(node);
1119                        return -ENODEV;
1120                }
1121                addr = *base;
1122                if (addr < 0x50)
1123                        addr += 0x50;
1124        } else
1125                addr = *base;
1126
1127        gp->addr = addr & 0x0000ffff;
1128        /* Try to find the active state, default to 0 ! */
1129        base = of_get_property(node, "audio-gpio-active-state", NULL);
1130        if (base) {
1131                gp->active_state = *base;
1132                gp->active_val = (*base) ? 0x5 : 0x4;
1133                gp->inactive_val = (*base) ? 0x4 : 0x5;
1134        } else {
1135                const u32 *prop = NULL;
1136                gp->active_state = 0;
1137                gp->active_val = 0x4;
1138                gp->inactive_val = 0x5;
1139                /* Here are some crude hacks to extract the GPIO polarity and
1140                 * open collector informations out of the do-platform script
1141                 * as we don't yet have an interpreter for these things
1142                 */
1143                if (platform)
1144                        prop = of_get_property(node, platform, NULL);
1145                if (prop) {
1146                        if (prop[3] == 0x9 && prop[4] == 0x9) {
1147                                gp->active_val = 0xd;
1148                                gp->inactive_val = 0xc;
1149                        }
1150                        if (prop[3] == 0x1 && prop[4] == 0x1) {
1151                                gp->active_val = 0x5;
1152                                gp->inactive_val = 0x4;
1153                        }
1154                }
1155        }
1156
1157        DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1158            device, gp->addr, gp->active_state);
1159
1160        ret = irq_of_parse_and_map(node, 0);
1161        of_node_put(node);
1162        return ret;
1163}
1164
1165/* reset audio */
1166static void tumbler_reset_audio(struct snd_pmac *chip)
1167{
1168        struct pmac_tumbler *mix = chip->mixer_data;
1169
1170        if (mix->anded_reset) {
1171                DBG("(I) codec anded reset !\n");
1172                write_audio_gpio(&mix->hp_mute, 0);
1173                write_audio_gpio(&mix->amp_mute, 0);
1174                msleep(200);
1175                write_audio_gpio(&mix->hp_mute, 1);
1176                write_audio_gpio(&mix->amp_mute, 1);
1177                msleep(100);
1178                write_audio_gpio(&mix->hp_mute, 0);
1179                write_audio_gpio(&mix->amp_mute, 0);
1180                msleep(100);
1181        } else {
1182                DBG("(I) codec normal reset !\n");
1183
1184                write_audio_gpio(&mix->audio_reset, 0);
1185                msleep(200);
1186                write_audio_gpio(&mix->audio_reset, 1);
1187                msleep(100);
1188                write_audio_gpio(&mix->audio_reset, 0);
1189                msleep(100);
1190        }
1191}
1192
1193#ifdef CONFIG_PM
1194/* suspend mixer */
1195static void tumbler_suspend(struct snd_pmac *chip)
1196{
1197        struct pmac_tumbler *mix = chip->mixer_data;
1198
1199        if (mix->headphone_irq >= 0)
1200                disable_irq(mix->headphone_irq);
1201        if (mix->lineout_irq >= 0)
1202                disable_irq(mix->lineout_irq);
1203        mix->save_master_switch[0] = mix->master_switch[0];
1204        mix->save_master_switch[1] = mix->master_switch[1];
1205        mix->save_master_vol[0] = mix->master_vol[0];
1206        mix->save_master_vol[1] = mix->master_vol[1];
1207        mix->master_switch[0] = mix->master_switch[1] = 0;
1208        tumbler_set_master_volume(mix);
1209        if (!mix->anded_reset) {
1210                write_audio_gpio(&mix->amp_mute, 1);
1211                write_audio_gpio(&mix->hp_mute, 1);
1212        }
1213        if (chip->model == PMAC_SNAPPER) {
1214                mix->acs |= 1;
1215                i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1216        }
1217        if (mix->anded_reset) {
1218                write_audio_gpio(&mix->amp_mute, 1);
1219                write_audio_gpio(&mix->hp_mute, 1);
1220        } else
1221                write_audio_gpio(&mix->audio_reset, 1);
1222}
1223
1224/* resume mixer */
1225static void tumbler_resume(struct snd_pmac *chip)
1226{
1227        struct pmac_tumbler *mix = chip->mixer_data;
1228
1229        mix->acs &= ~1;
1230        mix->master_switch[0] = mix->save_master_switch[0];
1231        mix->master_switch[1] = mix->save_master_switch[1];
1232        mix->master_vol[0] = mix->save_master_vol[0];
1233        mix->master_vol[1] = mix->save_master_vol[1];
1234        tumbler_reset_audio(chip);
1235        if (mix->i2c.client && mix->i2c.init_client) {
1236                if (mix->i2c.init_client(&mix->i2c) < 0)
1237                        printk(KERN_ERR "tumbler_init_client error\n");
1238        } else
1239                printk(KERN_ERR "tumbler: i2c is not initialized\n");
1240        if (chip->model == PMAC_TUMBLER) {
1241                tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1242                tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1243                tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1244                tumbler_set_drc(mix);
1245        } else {
1246                snapper_set_mix_vol(mix, VOL_IDX_PCM);
1247                snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1248                snapper_set_mix_vol(mix, VOL_IDX_ADC);
1249                tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1250                tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1251                snapper_set_drc(mix);
1252                snapper_set_capture_source(mix);
1253        }
1254        tumbler_set_master_volume(mix);
1255        if (chip->update_automute)
1256                chip->update_automute(chip, 0);
1257        if (mix->headphone_irq >= 0) {
1258                unsigned char val;
1259
1260                enable_irq(mix->headphone_irq);
1261                /* activate headphone status interrupts */
1262                val = do_gpio_read(&mix->hp_detect);
1263                do_gpio_write(&mix->hp_detect, val | 0x80);
1264        }
1265        if (mix->lineout_irq >= 0)
1266                enable_irq(mix->lineout_irq);
1267}
1268#endif
1269
1270/* initialize tumbler */
1271static int __init tumbler_init(struct snd_pmac *chip)
1272{
1273        int irq;
1274        struct pmac_tumbler *mix = chip->mixer_data;
1275
1276        if (tumbler_find_device("audio-hw-reset",
1277                                "platform-do-hw-reset",
1278                                &mix->audio_reset, 0) < 0)
1279                tumbler_find_device("hw-reset",
1280                                    "platform-do-hw-reset",
1281                                    &mix->audio_reset, 1);
1282        if (tumbler_find_device("amp-mute",
1283                                "platform-do-amp-mute",
1284                                &mix->amp_mute, 0) < 0)
1285                tumbler_find_device("amp-mute",
1286                                    "platform-do-amp-mute",
1287                                    &mix->amp_mute, 1);
1288        if (tumbler_find_device("headphone-mute",
1289                                "platform-do-headphone-mute",
1290                                &mix->hp_mute, 0) < 0)
1291                tumbler_find_device("headphone-mute",
1292                                    "platform-do-headphone-mute",
1293                                    &mix->hp_mute, 1);
1294        if (tumbler_find_device("line-output-mute",
1295                                "platform-do-lineout-mute",
1296                                &mix->line_mute, 0) < 0)
1297                tumbler_find_device("line-output-mute",
1298                                   "platform-do-lineout-mute",
1299                                    &mix->line_mute, 1);
1300        irq = tumbler_find_device("headphone-detect",
1301                                  NULL, &mix->hp_detect, 0);
1302        if (irq <= NO_IRQ)
1303                irq = tumbler_find_device("headphone-detect",
1304                                          NULL, &mix->hp_detect, 1);
1305        if (irq <= NO_IRQ)
1306                irq = tumbler_find_device("keywest-gpio15",
1307                                          NULL, &mix->hp_detect, 1);
1308        mix->headphone_irq = irq;
1309        irq = tumbler_find_device("line-output-detect",
1310                                  NULL, &mix->line_detect, 0);
1311        if (irq <= NO_IRQ)
1312                irq = tumbler_find_device("line-output-detect",
1313                                          NULL, &mix->line_detect, 1);
1314        mix->lineout_irq = irq;
1315
1316        tumbler_reset_audio(chip);
1317  
1318        return 0;
1319}
1320
1321static void tumbler_cleanup(struct snd_pmac *chip)
1322{
1323        struct pmac_tumbler *mix = chip->mixer_data;
1324        if (! mix)
1325                return;
1326
1327        if (mix->headphone_irq >= 0)
1328                free_irq(mix->headphone_irq, chip);
1329        if (mix->lineout_irq >= 0)
1330                free_irq(mix->lineout_irq, chip);
1331        tumbler_gpio_free(&mix->audio_reset);
1332        tumbler_gpio_free(&mix->amp_mute);
1333        tumbler_gpio_free(&mix->hp_mute);
1334        tumbler_gpio_free(&mix->hp_detect);
1335        snd_pmac_keywest_cleanup(&mix->i2c);
1336        kfree(mix);
1337        chip->mixer_data = NULL;
1338}
1339
1340/* exported */
1341int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
1342{
1343        int i, err;
1344        struct pmac_tumbler *mix;
1345        const u32 *paddr;
1346        struct device_node *tas_node, *np;
1347        char *chipname;
1348
1349        request_module("i2c-powermac");
1350
1351        mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1352        if (! mix)
1353                return -ENOMEM;
1354        mix->headphone_irq = -1;
1355
1356        chip->mixer_data = mix;
1357        chip->mixer_free = tumbler_cleanup;
1358        mix->anded_reset = 0;
1359        mix->reset_on_sleep = 1;
1360
1361        for (np = chip->node->child; np; np = np->sibling) {
1362                if (!strcmp(np->name, "sound")) {
1363                        if (of_get_property(np, "has-anded-reset", NULL))
1364                                mix->anded_reset = 1;
1365                        if (of_get_property(np, "layout-id", NULL))
1366                                mix->reset_on_sleep = 0;
1367                        break;
1368                }
1369        }
1370        if ((err = tumbler_init(chip)) < 0)
1371                return err;
1372
1373        /* set up TAS */
1374        tas_node = of_find_node_by_name(NULL, "deq");
1375        if (tas_node == NULL)
1376                tas_node = of_find_node_by_name(NULL, "codec");
1377        if (tas_node == NULL)
1378                return -ENODEV;
1379
1380        paddr = of_get_property(tas_node, "i2c-address", NULL);
1381        if (paddr == NULL)
1382                paddr = of_get_property(tas_node, "reg", NULL);
1383        if (paddr)
1384                mix->i2c.addr = (*paddr) >> 1;
1385        else
1386                mix->i2c.addr = TAS_I2C_ADDR;
1387        of_node_put(tas_node);
1388
1389        DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1390
1391        if (chip->model == PMAC_TUMBLER) {
1392                mix->i2c.init_client = tumbler_init_client;
1393                mix->i2c.name = "TAS3001c";
1394                chipname = "Tumbler";
1395        } else {
1396                mix->i2c.init_client = snapper_init_client;
1397                mix->i2c.name = "TAS3004";
1398                chipname = "Snapper";
1399        }
1400
1401        if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1402                return err;
1403
1404        /*
1405         * build mixers
1406         */
1407        sprintf(chip->card->mixername, "PowerMac %s", chipname);
1408
1409        if (chip->model == PMAC_TUMBLER) {
1410                for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1411                        if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1412                                return err;
1413                }
1414        } else {
1415                for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1416                        if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1417                                return err;
1418                }
1419        }
1420        chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1421        if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1422                return err;
1423        chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1424        if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1425                return err;
1426        if (mix->line_mute.addr != 0) {
1427                chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1428                if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1429                        return err;
1430        }
1431        chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1432        if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1433                return err;
1434
1435        /* set initial DRC range to 60% */
1436        if (chip->model == PMAC_TUMBLER)
1437                mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1438        else
1439                mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1440        mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1441        if (chip->model == PMAC_TUMBLER)
1442                tumbler_set_drc(mix);
1443        else
1444                snapper_set_drc(mix);
1445
1446#ifdef CONFIG_PM
1447        chip->suspend = tumbler_suspend;
1448        chip->resume = tumbler_resume;
1449#endif
1450
1451        INIT_WORK(&device_change, device_change_handler);
1452        device_change_chip = chip;
1453
1454#ifdef PMAC_SUPPORT_AUTOMUTE
1455        if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1456            && (err = snd_pmac_add_automute(chip)) < 0)
1457                return err;
1458        chip->detect_headphone = tumbler_detect_headphone;
1459        chip->update_automute = tumbler_update_automute;
1460        tumbler_update_automute(chip, 0); /* update the status only */
1461
1462        /* activate headphone status interrupts */
1463        if (mix->headphone_irq >= 0) {
1464                unsigned char val;
1465                if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1466                                       "Sound Headphone Detection", chip)) < 0)
1467                        return 0;
1468                /* activate headphone status interrupts */
1469                val = do_gpio_read(&mix->hp_detect);
1470                do_gpio_write(&mix->hp_detect, val | 0x80);
1471        }
1472        if (mix->lineout_irq >= 0) {
1473                unsigned char val;
1474                if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1475                                       "Sound Lineout Detection", chip)) < 0)
1476                        return 0;
1477                /* activate headphone status interrupts */
1478                val = do_gpio_read(&mix->line_detect);
1479                do_gpio_write(&mix->line_detect, val | 0x80);
1480        }
1481#endif
1482
1483        return 0;
1484}
1485