linux/sound/ppc/tumbler.c
<<
>>
Prefs
   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 <linux/string.h>
  34#include <sound/core.h>
  35#include <asm/io.h>
  36#include <asm/irq.h>
  37#include <asm/machdep.h>
  38#include <asm/pmac_feature.h>
  39#include "pmac.h"
  40#include "tumbler_volume.h"
  41
  42#undef DEBUG
  43
  44#ifdef DEBUG
  45#define DBG(fmt...) printk(KERN_DEBUG fmt)
  46#else
  47#define DBG(fmt...)
  48#endif
  49
  50#define IS_G4DA (of_machine_is_compatible("PowerMac3,4"))
  51
  52/* i2c address for tumbler */
  53#define TAS_I2C_ADDR    0x34
  54
  55/* registers */
  56#define TAS_REG_MCS     0x01    /* main control */
  57#define TAS_REG_DRC     0x02
  58#define TAS_REG_VOL     0x04
  59#define TAS_REG_TREBLE  0x05
  60#define TAS_REG_BASS    0x06
  61#define TAS_REG_INPUT1  0x07
  62#define TAS_REG_INPUT2  0x08
  63
  64/* tas3001c */
  65#define TAS_REG_PCM     TAS_REG_INPUT1
  66 
  67/* tas3004 */
  68#define TAS_REG_LMIX    TAS_REG_INPUT1
  69#define TAS_REG_RMIX    TAS_REG_INPUT2
  70#define TAS_REG_MCS2    0x43            /* main control 2 */
  71#define TAS_REG_ACS     0x40            /* analog control */
  72
  73/* mono volumes for tas3001c/tas3004 */
  74enum {
  75        VOL_IDX_PCM_MONO, /* tas3001c only */
  76        VOL_IDX_BASS, VOL_IDX_TREBLE,
  77        VOL_IDX_LAST_MONO
  78};
  79
  80/* stereo volumes for tas3004 */
  81enum {
  82        VOL_IDX_PCM, VOL_IDX_PCM2, VOL_IDX_ADC,
  83        VOL_IDX_LAST_MIX
  84};
  85
  86struct pmac_gpio {
  87        unsigned int addr;
  88        u8 active_val;
  89        u8 inactive_val;
  90        u8 active_state;
  91};
  92
  93struct pmac_tumbler {
  94        struct pmac_keywest i2c;
  95        struct pmac_gpio audio_reset;
  96        struct pmac_gpio amp_mute;
  97        struct pmac_gpio line_mute;
  98        struct pmac_gpio line_detect;
  99        struct pmac_gpio hp_mute;
 100        struct pmac_gpio hp_detect;
 101        int headphone_irq;
 102        int lineout_irq;
 103        unsigned int save_master_vol[2];
 104        unsigned int master_vol[2];
 105        unsigned int save_master_switch[2];
 106        unsigned int master_switch[2];
 107        unsigned int mono_vol[VOL_IDX_LAST_MONO];
 108        unsigned int mix_vol[VOL_IDX_LAST_MIX][2]; /* stereo volumes for tas3004 */
 109        int drc_range;
 110        int drc_enable;
 111        int capture_source;
 112        int anded_reset;
 113        int auto_mute_notify;
 114        int reset_on_sleep;
 115        u8  acs;
 116};
 117
 118
 119/*
 120 */
 121
 122static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
 123{
 124        while (*regs > 0) {
 125                int err, count = 10;
 126                do {
 127                        err = i2c_smbus_write_byte_data(i2c->client,
 128                                                        regs[0], regs[1]);
 129                        if (err >= 0)
 130                                break;
 131                        DBG("(W) i2c error %d\n", err);
 132                        mdelay(10);
 133                } while (count--);
 134                if (err < 0)
 135                        return -ENXIO;
 136                regs += 2;
 137        }
 138        return 0;
 139}
 140
 141
 142static int tumbler_init_client(struct pmac_keywest *i2c)
 143{
 144        static unsigned int regs[] = {
 145                /* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
 146                TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
 147                0, /* terminator */
 148        };
 149        DBG("(I) tumbler init client\n");
 150        return send_init_client(i2c, regs);
 151}
 152
 153static int snapper_init_client(struct pmac_keywest *i2c)
 154{
 155        static unsigned int regs[] = {
 156                /* normal operation, SCLK=64fps, i2s output, 16bit width */
 157                TAS_REG_MCS, (1<<6)|(2<<4)|0,
 158                /* normal operation, all-pass mode */
 159                TAS_REG_MCS2, (1<<1),
 160                /* normal output, no deemphasis, A input, power-up, line-in */
 161                TAS_REG_ACS, 0,
 162                0, /* terminator */
 163        };
 164        DBG("(I) snapper init client\n");
 165        return send_init_client(i2c, regs);
 166}
 167        
 168/*
 169 * gpio access
 170 */
 171#define do_gpio_write(gp, val) \
 172        pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
 173#define do_gpio_read(gp) \
 174        pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
 175#define tumbler_gpio_free(gp) /* NOP */
 176
 177static void write_audio_gpio(struct pmac_gpio *gp, int active)
 178{
 179        if (! gp->addr)
 180                return;
 181        active = active ? gp->active_val : gp->inactive_val;
 182        do_gpio_write(gp, active);
 183        DBG("(I) gpio %x write %d\n", gp->addr, active);
 184}
 185
 186static int check_audio_gpio(struct pmac_gpio *gp)
 187{
 188        int ret;
 189
 190        if (! gp->addr)
 191                return 0;
 192
 193        ret = do_gpio_read(gp);
 194
 195        return (ret & 0x1) == (gp->active_val & 0x1);
 196}
 197
 198static int read_audio_gpio(struct pmac_gpio *gp)
 199{
 200        int ret;
 201        if (! gp->addr)
 202                return 0;
 203        ret = do_gpio_read(gp);
 204        ret = (ret & 0x02) !=0;
 205        return ret == gp->active_state;
 206}
 207
 208/*
 209 * update master volume
 210 */
 211static int tumbler_set_master_volume(struct pmac_tumbler *mix)
 212{
 213        unsigned char block[6];
 214        unsigned int left_vol, right_vol;
 215  
 216        if (! mix->i2c.client)
 217                return -ENODEV;
 218  
 219        if (! mix->master_switch[0])
 220                left_vol = 0;
 221        else {
 222                left_vol = mix->master_vol[0];
 223                if (left_vol >= ARRAY_SIZE(master_volume_table))
 224                        left_vol = ARRAY_SIZE(master_volume_table) - 1;
 225                left_vol = master_volume_table[left_vol];
 226        }
 227        if (! mix->master_switch[1])
 228                right_vol = 0;
 229        else {
 230                right_vol = mix->master_vol[1];
 231                if (right_vol >= ARRAY_SIZE(master_volume_table))
 232                        right_vol = ARRAY_SIZE(master_volume_table) - 1;
 233                right_vol = master_volume_table[right_vol];
 234        }
 235
 236        block[0] = (left_vol >> 16) & 0xff;
 237        block[1] = (left_vol >> 8)  & 0xff;
 238        block[2] = (left_vol >> 0)  & 0xff;
 239
 240        block[3] = (right_vol >> 16) & 0xff;
 241        block[4] = (right_vol >> 8)  & 0xff;
 242        block[5] = (right_vol >> 0)  & 0xff;
 243  
 244        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_VOL, 6,
 245                                           block) < 0) {
 246                snd_printk(KERN_ERR "failed to set volume \n");
 247                return -EINVAL;
 248        }
 249        DBG("(I) succeeded to set volume (%u, %u)\n", left_vol, right_vol);
 250        return 0;
 251}
 252
 253
 254/* output volume */
 255static int tumbler_info_master_volume(struct snd_kcontrol *kcontrol,
 256                                      struct snd_ctl_elem_info *uinfo)
 257{
 258        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 259        uinfo->count = 2;
 260        uinfo->value.integer.min = 0;
 261        uinfo->value.integer.max = ARRAY_SIZE(master_volume_table) - 1;
 262        return 0;
 263}
 264
 265static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol,
 266                                     struct snd_ctl_elem_value *ucontrol)
 267{
 268        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 269        struct pmac_tumbler *mix = chip->mixer_data;
 270
 271        ucontrol->value.integer.value[0] = mix->master_vol[0];
 272        ucontrol->value.integer.value[1] = mix->master_vol[1];
 273        return 0;
 274}
 275
 276static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol,
 277                                     struct snd_ctl_elem_value *ucontrol)
 278{
 279        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 280        struct pmac_tumbler *mix = chip->mixer_data;
 281        unsigned int vol[2];
 282        int change;
 283
 284        vol[0] = ucontrol->value.integer.value[0];
 285        vol[1] = ucontrol->value.integer.value[1];
 286        if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
 287            vol[1] >= ARRAY_SIZE(master_volume_table))
 288                return -EINVAL;
 289        change = mix->master_vol[0] != vol[0] ||
 290                mix->master_vol[1] != vol[1];
 291        if (change) {
 292                mix->master_vol[0] = vol[0];
 293                mix->master_vol[1] = vol[1];
 294                tumbler_set_master_volume(mix);
 295        }
 296        return change;
 297}
 298
 299/* output switch */
 300static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol,
 301                                     struct snd_ctl_elem_value *ucontrol)
 302{
 303        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 304        struct pmac_tumbler *mix = chip->mixer_data;
 305
 306        ucontrol->value.integer.value[0] = mix->master_switch[0];
 307        ucontrol->value.integer.value[1] = mix->master_switch[1];
 308        return 0;
 309}
 310
 311static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol,
 312                                     struct snd_ctl_elem_value *ucontrol)
 313{
 314        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 315        struct pmac_tumbler *mix = chip->mixer_data;
 316        int change;
 317
 318        change = mix->master_switch[0] != ucontrol->value.integer.value[0] ||
 319                mix->master_switch[1] != ucontrol->value.integer.value[1];
 320        if (change) {
 321                mix->master_switch[0] = !!ucontrol->value.integer.value[0];
 322                mix->master_switch[1] = !!ucontrol->value.integer.value[1];
 323                tumbler_set_master_volume(mix);
 324        }
 325        return change;
 326}
 327
 328
 329/*
 330 * TAS3001c dynamic range compression
 331 */
 332
 333#define TAS3001_DRC_MAX         0x5f
 334
 335static int tumbler_set_drc(struct pmac_tumbler *mix)
 336{
 337        unsigned char val[2];
 338
 339        if (! mix->i2c.client)
 340                return -ENODEV;
 341  
 342        if (mix->drc_enable) {
 343                val[0] = 0xc1; /* enable, 3:1 compression */
 344                if (mix->drc_range > TAS3001_DRC_MAX)
 345                        val[1] = 0xf0;
 346                else if (mix->drc_range < 0)
 347                        val[1] = 0x91;
 348                else
 349                        val[1] = mix->drc_range + 0x91;
 350        } else {
 351                val[0] = 0;
 352                val[1] = 0;
 353        }
 354
 355        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 356                                           2, val) < 0) {
 357                snd_printk(KERN_ERR "failed to set DRC\n");
 358                return -EINVAL;
 359        }
 360        DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
 361        return 0;
 362}
 363
 364/*
 365 * TAS3004
 366 */
 367
 368#define TAS3004_DRC_MAX         0xef
 369
 370static int snapper_set_drc(struct pmac_tumbler *mix)
 371{
 372        unsigned char val[6];
 373
 374        if (! mix->i2c.client)
 375                return -ENODEV;
 376  
 377        if (mix->drc_enable)
 378                val[0] = 0x50; /* 3:1 above threshold */
 379        else
 380                val[0] = 0x51; /* disabled */
 381        val[1] = 0x02; /* 1:1 below threshold */
 382        if (mix->drc_range > 0xef)
 383                val[2] = 0xef;
 384        else if (mix->drc_range < 0)
 385                val[2] = 0x00;
 386        else
 387                val[2] = mix->drc_range;
 388        val[3] = 0xb0;
 389        val[4] = 0x60;
 390        val[5] = 0xa0;
 391
 392        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, TAS_REG_DRC,
 393                                           6, val) < 0) {
 394                snd_printk(KERN_ERR "failed to set DRC\n");
 395                return -EINVAL;
 396        }
 397        DBG("(I) succeeded to set DRC (%u, %u)\n", val[0], val[1]);
 398        return 0;
 399}
 400
 401static int tumbler_info_drc_value(struct snd_kcontrol *kcontrol,
 402                                  struct snd_ctl_elem_info *uinfo)
 403{
 404        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 405        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 406        uinfo->count = 1;
 407        uinfo->value.integer.min = 0;
 408        uinfo->value.integer.max =
 409                chip->model == PMAC_TUMBLER ? TAS3001_DRC_MAX : TAS3004_DRC_MAX;
 410        return 0;
 411}
 412
 413static int tumbler_get_drc_value(struct snd_kcontrol *kcontrol,
 414                                 struct snd_ctl_elem_value *ucontrol)
 415{
 416        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 417        struct pmac_tumbler *mix;
 418        if (! (mix = chip->mixer_data))
 419                return -ENODEV;
 420        ucontrol->value.integer.value[0] = mix->drc_range;
 421        return 0;
 422}
 423
 424static int tumbler_put_drc_value(struct snd_kcontrol *kcontrol,
 425                                 struct snd_ctl_elem_value *ucontrol)
 426{
 427        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 428        struct pmac_tumbler *mix;
 429        unsigned int val;
 430        int change;
 431
 432        if (! (mix = chip->mixer_data))
 433                return -ENODEV;
 434        val = ucontrol->value.integer.value[0];
 435        if (chip->model == PMAC_TUMBLER) {
 436                if (val > TAS3001_DRC_MAX)
 437                        return -EINVAL;
 438        } else {
 439                if (val > TAS3004_DRC_MAX)
 440                        return -EINVAL;
 441        }
 442        change = mix->drc_range != val;
 443        if (change) {
 444                mix->drc_range = val;
 445                if (chip->model == PMAC_TUMBLER)
 446                        tumbler_set_drc(mix);
 447                else
 448                        snapper_set_drc(mix);
 449        }
 450        return change;
 451}
 452
 453static int tumbler_get_drc_switch(struct snd_kcontrol *kcontrol,
 454                                  struct snd_ctl_elem_value *ucontrol)
 455{
 456        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 457        struct pmac_tumbler *mix;
 458        if (! (mix = chip->mixer_data))
 459                return -ENODEV;
 460        ucontrol->value.integer.value[0] = mix->drc_enable;
 461        return 0;
 462}
 463
 464static int tumbler_put_drc_switch(struct snd_kcontrol *kcontrol,
 465                                  struct snd_ctl_elem_value *ucontrol)
 466{
 467        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 468        struct pmac_tumbler *mix;
 469        int change;
 470
 471        if (! (mix = chip->mixer_data))
 472                return -ENODEV;
 473        change = mix->drc_enable != ucontrol->value.integer.value[0];
 474        if (change) {
 475                mix->drc_enable = !!ucontrol->value.integer.value[0];
 476                if (chip->model == PMAC_TUMBLER)
 477                        tumbler_set_drc(mix);
 478                else
 479                        snapper_set_drc(mix);
 480        }
 481        return change;
 482}
 483
 484
 485/*
 486 * mono volumes
 487 */
 488
 489struct tumbler_mono_vol {
 490        int index;
 491        int reg;
 492        int bytes;
 493        unsigned int max;
 494        unsigned int *table;
 495};
 496
 497static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
 498                                   struct tumbler_mono_vol *info)
 499{
 500        unsigned char block[4];
 501        unsigned int vol;
 502        int i;
 503  
 504        if (! mix->i2c.client)
 505                return -ENODEV;
 506  
 507        vol = mix->mono_vol[info->index];
 508        if (vol >= info->max)
 509                vol = info->max - 1;
 510        vol = info->table[vol];
 511        for (i = 0; i < info->bytes; i++)
 512                block[i] = (vol >> ((info->bytes - i - 1) * 8)) & 0xff;
 513        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, info->reg,
 514                                           info->bytes, block) < 0) {
 515                snd_printk(KERN_ERR "failed to set mono volume %d\n",
 516                           info->index);
 517                return -EINVAL;
 518        }
 519        return 0;
 520}
 521
 522static int tumbler_info_mono(struct snd_kcontrol *kcontrol,
 523                             struct snd_ctl_elem_info *uinfo)
 524{
 525        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 526
 527        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 528        uinfo->count = 1;
 529        uinfo->value.integer.min = 0;
 530        uinfo->value.integer.max = info->max - 1;
 531        return 0;
 532}
 533
 534static int tumbler_get_mono(struct snd_kcontrol *kcontrol,
 535                            struct snd_ctl_elem_value *ucontrol)
 536{
 537        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 538        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 539        struct pmac_tumbler *mix;
 540        if (! (mix = chip->mixer_data))
 541                return -ENODEV;
 542        ucontrol->value.integer.value[0] = mix->mono_vol[info->index];
 543        return 0;
 544}
 545
 546static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
 547                            struct snd_ctl_elem_value *ucontrol)
 548{
 549        struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
 550        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 551        struct pmac_tumbler *mix;
 552        unsigned int vol;
 553        int change;
 554
 555        if (! (mix = chip->mixer_data))
 556                return -ENODEV;
 557        vol = ucontrol->value.integer.value[0];
 558        if (vol >= info->max)
 559                return -EINVAL;
 560        change = mix->mono_vol[info->index] != vol;
 561        if (change) {
 562                mix->mono_vol[info->index] = vol;
 563                tumbler_set_mono_volume(mix, info);
 564        }
 565        return change;
 566}
 567
 568/* TAS3001c mono volumes */
 569static struct tumbler_mono_vol tumbler_pcm_vol_info = {
 570        .index = VOL_IDX_PCM_MONO,
 571        .reg = TAS_REG_PCM,
 572        .bytes = 3,
 573        .max = ARRAY_SIZE(mixer_volume_table),
 574        .table = mixer_volume_table,
 575};
 576
 577static struct tumbler_mono_vol tumbler_bass_vol_info = {
 578        .index = VOL_IDX_BASS,
 579        .reg = TAS_REG_BASS,
 580        .bytes = 1,
 581        .max = ARRAY_SIZE(bass_volume_table),
 582        .table = bass_volume_table,
 583};
 584
 585static struct tumbler_mono_vol tumbler_treble_vol_info = {
 586        .index = VOL_IDX_TREBLE,
 587        .reg = TAS_REG_TREBLE,
 588        .bytes = 1,
 589        .max = ARRAY_SIZE(treble_volume_table),
 590        .table = treble_volume_table,
 591};
 592
 593/* TAS3004 mono volumes */
 594static struct tumbler_mono_vol snapper_bass_vol_info = {
 595        .index = VOL_IDX_BASS,
 596        .reg = TAS_REG_BASS,
 597        .bytes = 1,
 598        .max = ARRAY_SIZE(snapper_bass_volume_table),
 599        .table = snapper_bass_volume_table,
 600};
 601
 602static struct tumbler_mono_vol snapper_treble_vol_info = {
 603        .index = VOL_IDX_TREBLE,
 604        .reg = TAS_REG_TREBLE,
 605        .bytes = 1,
 606        .max = ARRAY_SIZE(snapper_treble_volume_table),
 607        .table = snapper_treble_volume_table,
 608};
 609
 610
 611#define DEFINE_MONO(xname,type) { \
 612        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 613        .name = xname, \
 614        .info = tumbler_info_mono, \
 615        .get = tumbler_get_mono, \
 616        .put = tumbler_put_mono, \
 617        .private_value = (unsigned long)(&tumbler_##type##_vol_info), \
 618}
 619
 620#define DEFINE_SNAPPER_MONO(xname,type) { \
 621        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 622        .name = xname, \
 623        .info = tumbler_info_mono, \
 624        .get = tumbler_get_mono, \
 625        .put = tumbler_put_mono, \
 626        .private_value = (unsigned long)(&snapper_##type##_vol_info), \
 627}
 628
 629
 630/*
 631 * snapper mixer volumes
 632 */
 633
 634static int snapper_set_mix_vol1(struct pmac_tumbler *mix, int idx, int ch, int reg)
 635{
 636        int i, j, vol;
 637        unsigned char block[9];
 638
 639        vol = mix->mix_vol[idx][ch];
 640        if (vol >= ARRAY_SIZE(mixer_volume_table)) {
 641                vol = ARRAY_SIZE(mixer_volume_table) - 1;
 642                mix->mix_vol[idx][ch] = vol;
 643        }
 644
 645        for (i = 0; i < 3; i++) {
 646                vol = mix->mix_vol[i][ch];
 647                vol = mixer_volume_table[vol];
 648                for (j = 0; j < 3; j++)
 649                        block[i * 3 + j] = (vol >> ((2 - j) * 8)) & 0xff;
 650        }
 651        if (i2c_smbus_write_i2c_block_data(mix->i2c.client, reg,
 652                                           9, block) < 0) {
 653                snd_printk(KERN_ERR "failed to set mono volume %d\n", reg);
 654                return -EINVAL;
 655        }
 656        return 0;
 657}
 658
 659static int snapper_set_mix_vol(struct pmac_tumbler *mix, int idx)
 660{
 661        if (! mix->i2c.client)
 662                return -ENODEV;
 663        if (snapper_set_mix_vol1(mix, idx, 0, TAS_REG_LMIX) < 0 ||
 664            snapper_set_mix_vol1(mix, idx, 1, TAS_REG_RMIX) < 0)
 665                return -EINVAL;
 666        return 0;
 667}
 668
 669static int snapper_info_mix(struct snd_kcontrol *kcontrol,
 670                            struct snd_ctl_elem_info *uinfo)
 671{
 672        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 673        uinfo->count = 2;
 674        uinfo->value.integer.min = 0;
 675        uinfo->value.integer.max = ARRAY_SIZE(mixer_volume_table) - 1;
 676        return 0;
 677}
 678
 679static int snapper_get_mix(struct snd_kcontrol *kcontrol,
 680                           struct snd_ctl_elem_value *ucontrol)
 681{
 682        int idx = (int)kcontrol->private_value;
 683        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 684        struct pmac_tumbler *mix;
 685        if (! (mix = chip->mixer_data))
 686                return -ENODEV;
 687        ucontrol->value.integer.value[0] = mix->mix_vol[idx][0];
 688        ucontrol->value.integer.value[1] = mix->mix_vol[idx][1];
 689        return 0;
 690}
 691
 692static int snapper_put_mix(struct snd_kcontrol *kcontrol,
 693                           struct snd_ctl_elem_value *ucontrol)
 694{
 695        int idx = (int)kcontrol->private_value;
 696        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 697        struct pmac_tumbler *mix;
 698        unsigned int vol[2];
 699        int change;
 700
 701        if (! (mix = chip->mixer_data))
 702                return -ENODEV;
 703        vol[0] = ucontrol->value.integer.value[0];
 704        vol[1] = ucontrol->value.integer.value[1];
 705        if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
 706            vol[1] >= ARRAY_SIZE(mixer_volume_table))
 707                return -EINVAL;
 708        change = mix->mix_vol[idx][0] != vol[0] ||
 709                mix->mix_vol[idx][1] != vol[1];
 710        if (change) {
 711                mix->mix_vol[idx][0] = vol[0];
 712                mix->mix_vol[idx][1] = vol[1];
 713                snapper_set_mix_vol(mix, idx);
 714        }
 715        return change;
 716}
 717
 718
 719/*
 720 * mute switches. FIXME: Turn that into software mute when both outputs are muted
 721 * to avoid codec reset on ibook M7
 722 */
 723
 724enum { TUMBLER_MUTE_HP, TUMBLER_MUTE_AMP, TUMBLER_MUTE_LINE };
 725
 726static int tumbler_get_mute_switch(struct snd_kcontrol *kcontrol,
 727                                   struct snd_ctl_elem_value *ucontrol)
 728{
 729        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 730        struct pmac_tumbler *mix;
 731        struct pmac_gpio *gp;
 732        if (! (mix = chip->mixer_data))
 733                return -ENODEV;
 734        switch(kcontrol->private_value) {
 735        case TUMBLER_MUTE_HP:
 736                gp = &mix->hp_mute;     break;
 737        case TUMBLER_MUTE_AMP:
 738                gp = &mix->amp_mute;    break;
 739        case TUMBLER_MUTE_LINE:
 740                gp = &mix->line_mute;   break;
 741        default:
 742                gp = NULL;
 743        }
 744        if (gp == NULL)
 745                return -EINVAL;
 746        ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
 747        return 0;
 748}
 749
 750static int tumbler_put_mute_switch(struct snd_kcontrol *kcontrol,
 751                                   struct snd_ctl_elem_value *ucontrol)
 752{
 753        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 754        struct pmac_tumbler *mix;
 755        struct pmac_gpio *gp;
 756        int val;
 757#ifdef PMAC_SUPPORT_AUTOMUTE
 758        if (chip->update_automute && chip->auto_mute)
 759                return 0; /* don't touch in the auto-mute mode */
 760#endif  
 761        if (! (mix = chip->mixer_data))
 762                return -ENODEV;
 763        switch(kcontrol->private_value) {
 764        case TUMBLER_MUTE_HP:
 765                gp = &mix->hp_mute;     break;
 766        case TUMBLER_MUTE_AMP:
 767                gp = &mix->amp_mute;    break;
 768        case TUMBLER_MUTE_LINE:
 769                gp = &mix->line_mute;   break;
 770        default:
 771                gp = NULL;
 772        }
 773        if (gp == NULL)
 774                return -EINVAL;
 775        val = ! check_audio_gpio(gp);
 776        if (val != ucontrol->value.integer.value[0]) {
 777                write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
 778                return 1;
 779        }
 780        return 0;
 781}
 782
 783static int snapper_set_capture_source(struct pmac_tumbler *mix)
 784{
 785        if (! mix->i2c.client)
 786                return -ENODEV;
 787        if (mix->capture_source)
 788                mix->acs |= 2;
 789        else
 790                mix->acs &= ~2;
 791        return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
 792}
 793
 794static int snapper_info_capture_source(struct snd_kcontrol *kcontrol,
 795                                       struct snd_ctl_elem_info *uinfo)
 796{
 797        static char *texts[2] = {
 798                "Line", "Mic"
 799        };
 800        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 801        uinfo->count = 1;
 802        uinfo->value.enumerated.items = 2;
 803        if (uinfo->value.enumerated.item > 1)
 804                uinfo->value.enumerated.item = 1;
 805        strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 806        return 0;
 807}
 808
 809static int snapper_get_capture_source(struct snd_kcontrol *kcontrol,
 810                                      struct snd_ctl_elem_value *ucontrol)
 811{
 812        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 813        struct pmac_tumbler *mix = chip->mixer_data;
 814
 815        ucontrol->value.enumerated.item[0] = mix->capture_source;
 816        return 0;
 817}
 818
 819static int snapper_put_capture_source(struct snd_kcontrol *kcontrol,
 820                                      struct snd_ctl_elem_value *ucontrol)
 821{
 822        struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 823        struct pmac_tumbler *mix = chip->mixer_data;
 824        int change;
 825
 826        change = ucontrol->value.enumerated.item[0] != mix->capture_source;
 827        if (change) {
 828                mix->capture_source = !!ucontrol->value.enumerated.item[0];
 829                snapper_set_capture_source(mix);
 830        }
 831        return change;
 832}
 833
 834#define DEFINE_SNAPPER_MIX(xname,idx,ofs) { \
 835        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 836        .name = xname, \
 837        .info = snapper_info_mix, \
 838        .get = snapper_get_mix, \
 839        .put = snapper_put_mix, \
 840        .index = idx,\
 841        .private_value = ofs, \
 842}
 843
 844
 845/*
 846 */
 847static struct snd_kcontrol_new tumbler_mixers[] __devinitdata = {
 848        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 849          .name = "Master Playback Volume",
 850          .info = tumbler_info_master_volume,
 851          .get = tumbler_get_master_volume,
 852          .put = tumbler_put_master_volume
 853        },
 854        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 855          .name = "Master Playback Switch",
 856          .info = snd_pmac_boolean_stereo_info,
 857          .get = tumbler_get_master_switch,
 858          .put = tumbler_put_master_switch
 859        },
 860        DEFINE_MONO("Tone Control - Bass", bass),
 861        DEFINE_MONO("Tone Control - Treble", treble),
 862        DEFINE_MONO("PCM Playback Volume", pcm),
 863        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 864          .name = "DRC Range",
 865          .info = tumbler_info_drc_value,
 866          .get = tumbler_get_drc_value,
 867          .put = tumbler_put_drc_value
 868        },
 869};
 870
 871static struct snd_kcontrol_new snapper_mixers[] __devinitdata = {
 872        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 873          .name = "Master Playback Volume",
 874          .info = tumbler_info_master_volume,
 875          .get = tumbler_get_master_volume,
 876          .put = tumbler_put_master_volume
 877        },
 878        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 879          .name = "Master Playback Switch",
 880          .info = snd_pmac_boolean_stereo_info,
 881          .get = tumbler_get_master_switch,
 882          .put = tumbler_put_master_switch
 883        },
 884        DEFINE_SNAPPER_MIX("PCM Playback Volume", 0, VOL_IDX_PCM),
 885        /* Alternative PCM is assigned to Mic analog loopback on iBook G4 */
 886        DEFINE_SNAPPER_MIX("Mic Playback Volume", 0, VOL_IDX_PCM2),
 887        DEFINE_SNAPPER_MIX("Monitor Mix Volume", 0, VOL_IDX_ADC),
 888        DEFINE_SNAPPER_MONO("Tone Control - Bass", bass),
 889        DEFINE_SNAPPER_MONO("Tone Control - Treble", treble),
 890        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 891          .name = "DRC Range",
 892          .info = tumbler_info_drc_value,
 893          .get = tumbler_get_drc_value,
 894          .put = tumbler_put_drc_value
 895        },
 896        { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 897          .name = "Input Source", /* FIXME: "Capture Source" doesn't work properly */
 898          .info = snapper_info_capture_source,
 899          .get = snapper_get_capture_source,
 900          .put = snapper_put_capture_source
 901        },
 902};
 903
 904static struct snd_kcontrol_new tumbler_hp_sw __devinitdata = {
 905        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 906        .name = "Headphone Playback Switch",
 907        .info = snd_pmac_boolean_mono_info,
 908        .get = tumbler_get_mute_switch,
 909        .put = tumbler_put_mute_switch,
 910        .private_value = TUMBLER_MUTE_HP,
 911};
 912static struct snd_kcontrol_new tumbler_speaker_sw __devinitdata = {
 913        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 914        .name = "Speaker Playback Switch",
 915        .info = snd_pmac_boolean_mono_info,
 916        .get = tumbler_get_mute_switch,
 917        .put = tumbler_put_mute_switch,
 918        .private_value = TUMBLER_MUTE_AMP,
 919};
 920static struct snd_kcontrol_new tumbler_lineout_sw __devinitdata = {
 921        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 922        .name = "Line Out Playback Switch",
 923        .info = snd_pmac_boolean_mono_info,
 924        .get = tumbler_get_mute_switch,
 925        .put = tumbler_put_mute_switch,
 926        .private_value = TUMBLER_MUTE_LINE,
 927};
 928static struct snd_kcontrol_new tumbler_drc_sw __devinitdata = {
 929        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 930        .name = "DRC Switch",
 931        .info = snd_pmac_boolean_mono_info,
 932        .get = tumbler_get_drc_switch,
 933        .put = tumbler_put_drc_switch
 934};
 935
 936
 937#ifdef PMAC_SUPPORT_AUTOMUTE
 938/*
 939 * auto-mute stuffs
 940 */
 941static int tumbler_detect_headphone(struct snd_pmac *chip)
 942{
 943        struct pmac_tumbler *mix = chip->mixer_data;
 944        int detect = 0;
 945
 946        if (mix->hp_detect.addr)
 947                detect |= read_audio_gpio(&mix->hp_detect);
 948        return detect;
 949}
 950
 951static int tumbler_detect_lineout(struct snd_pmac *chip)
 952{
 953        struct pmac_tumbler *mix = chip->mixer_data;
 954        int detect = 0;
 955
 956        if (mix->line_detect.addr)
 957                detect |= read_audio_gpio(&mix->line_detect);
 958        return detect;
 959}
 960
 961static void check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val, int do_notify,
 962                       struct snd_kcontrol *sw)
 963{
 964        if (check_audio_gpio(gp) != val) {
 965                write_audio_gpio(gp, val);
 966                if (do_notify)
 967                        snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 968                                       &sw->id);
 969        }
 970}
 971
 972static struct work_struct device_change;
 973static struct snd_pmac *device_change_chip;
 974
 975static void device_change_handler(struct work_struct *work)
 976{
 977        struct snd_pmac *chip = device_change_chip;
 978        struct pmac_tumbler *mix;
 979        int headphone, lineout;
 980
 981        if (!chip)
 982                return;
 983
 984        mix = chip->mixer_data;
 985        if (snd_BUG_ON(!mix))
 986                return;
 987
 988        headphone = tumbler_detect_headphone(chip);
 989        lineout = tumbler_detect_lineout(chip);
 990
 991        DBG("headphone: %d, lineout: %d\n", headphone, lineout);
 992
 993        if (headphone || lineout) {
 994                /* unmute headphone/lineout & mute speaker */
 995                if (headphone)
 996                        check_mute(chip, &mix->hp_mute, 0, mix->auto_mute_notify,
 997                                   chip->master_sw_ctl);
 998                if (lineout && mix->line_mute.addr != 0)
 999                        check_mute(chip, &mix->line_mute, 0, mix->auto_mute_notify,
1000                                   chip->lineout_sw_ctl);
1001                if (mix->anded_reset)
1002                        msleep(10);
1003                check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify,
1004                           chip->speaker_sw_ctl);
1005        } else {
1006                /* unmute speaker, mute others */
1007                check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify,
1008                           chip->speaker_sw_ctl);
1009                if (mix->anded_reset)
1010                        msleep(10);
1011                check_mute(chip, &mix->hp_mute, 1, mix->auto_mute_notify,
1012                           chip->master_sw_ctl);
1013                if (mix->line_mute.addr != 0)
1014                        check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify,
1015                                   chip->lineout_sw_ctl);
1016        }
1017        if (mix->auto_mute_notify)
1018                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1019                                       &chip->hp_detect_ctl->id);
1020
1021#ifdef CONFIG_SND_POWERMAC_AUTO_DRC
1022        mix->drc_enable = ! (headphone || lineout);
1023        if (mix->auto_mute_notify)
1024                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
1025                               &chip->drc_sw_ctl->id);
1026        if (chip->model == PMAC_TUMBLER)
1027                tumbler_set_drc(mix);
1028        else
1029                snapper_set_drc(mix);
1030#endif
1031
1032        /* reset the master volume so the correct amplification is applied */
1033        tumbler_set_master_volume(mix);
1034}
1035
1036static void tumbler_update_automute(struct snd_pmac *chip, int do_notify)
1037{
1038        if (chip->auto_mute) {
1039                struct pmac_tumbler *mix;
1040                mix = chip->mixer_data;
1041                if (snd_BUG_ON(!mix))
1042                        return;
1043                mix->auto_mute_notify = do_notify;
1044                schedule_work(&device_change);
1045        }
1046}
1047#endif /* PMAC_SUPPORT_AUTOMUTE */
1048
1049
1050/* interrupt - headphone plug changed */
1051static irqreturn_t headphone_intr(int irq, void *devid)
1052{
1053        struct snd_pmac *chip = devid;
1054        if (chip->update_automute && chip->initialized) {
1055                chip->update_automute(chip, 1);
1056                return IRQ_HANDLED;
1057        }
1058        return IRQ_NONE;
1059}
1060
1061/* look for audio-gpio device */
1062static struct device_node *find_audio_device(const char *name)
1063{
1064        struct device_node *gpiop;
1065        struct device_node *np;
1066  
1067        gpiop = of_find_node_by_name(NULL, "gpio");
1068        if (! gpiop)
1069                return NULL;
1070  
1071        for (np = of_get_next_child(gpiop, NULL); np;
1072                        np = of_get_next_child(gpiop, np)) {
1073                const char *property = of_get_property(np, "audio-gpio", NULL);
1074                if (property && strcmp(property, name) == 0)
1075                        break;
1076        }  
1077        of_node_put(gpiop);
1078        return np;
1079}
1080
1081/* look for audio-gpio device */
1082static struct device_node *find_compatible_audio_device(const char *name)
1083{
1084        struct device_node *gpiop;
1085        struct device_node *np;
1086  
1087        gpiop = of_find_node_by_name(NULL, "gpio");
1088        if (!gpiop)
1089                return NULL;
1090  
1091        for (np = of_get_next_child(gpiop, NULL); np;
1092                        np = of_get_next_child(gpiop, np)) {
1093                if (of_device_is_compatible(np, name))
1094                        break;
1095        }  
1096        of_node_put(gpiop);
1097        return np;
1098}
1099
1100/* find an audio device and get its address */
1101static long tumbler_find_device(const char *device, const char *platform,
1102                                struct pmac_gpio *gp, int is_compatible)
1103{
1104        struct device_node *node;
1105        const u32 *base;
1106        u32 addr;
1107        long ret;
1108
1109        if (is_compatible)
1110                node = find_compatible_audio_device(device);
1111        else
1112                node = find_audio_device(device);
1113        if (! node) {
1114                DBG("(W) cannot find audio device %s !\n", device);
1115                snd_printdd("cannot find device %s\n", device);
1116                return -ENODEV;
1117        }
1118
1119        base = of_get_property(node, "AAPL,address", NULL);
1120        if (! base) {
1121                base = of_get_property(node, "reg", NULL);
1122                if (!base) {
1123                        DBG("(E) cannot find address for device %s !\n", device);
1124                        snd_printd("cannot find address for device %s\n", device);
1125                        of_node_put(node);
1126                        return -ENODEV;
1127                }
1128                addr = *base;
1129                if (addr < 0x50)
1130                        addr += 0x50;
1131        } else
1132                addr = *base;
1133
1134        gp->addr = addr & 0x0000ffff;
1135        /* Try to find the active state, default to 0 ! */
1136        base = of_get_property(node, "audio-gpio-active-state", NULL);
1137        if (base) {
1138                gp->active_state = *base;
1139                gp->active_val = (*base) ? 0x5 : 0x4;
1140                gp->inactive_val = (*base) ? 0x4 : 0x5;
1141        } else {
1142                const u32 *prop = NULL;
1143                gp->active_state = IS_G4DA
1144                                && !strncmp(device, "keywest-gpio1", 13);
1145                gp->active_val = 0x4;
1146                gp->inactive_val = 0x5;
1147                /* Here are some crude hacks to extract the GPIO polarity and
1148                 * open collector informations out of the do-platform script
1149                 * as we don't yet have an interpreter for these things
1150                 */
1151                if (platform)
1152                        prop = of_get_property(node, platform, NULL);
1153                if (prop) {
1154                        if (prop[3] == 0x9 && prop[4] == 0x9) {
1155                                gp->active_val = 0xd;
1156                                gp->inactive_val = 0xc;
1157                        }
1158                        if (prop[3] == 0x1 && prop[4] == 0x1) {
1159                                gp->active_val = 0x5;
1160                                gp->inactive_val = 0x4;
1161                        }
1162                }
1163        }
1164
1165        DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
1166            device, gp->addr, gp->active_state);
1167
1168        ret = irq_of_parse_and_map(node, 0);
1169        of_node_put(node);
1170        return ret;
1171}
1172
1173/* reset audio */
1174static void tumbler_reset_audio(struct snd_pmac *chip)
1175{
1176        struct pmac_tumbler *mix = chip->mixer_data;
1177
1178        if (mix->anded_reset) {
1179                DBG("(I) codec anded reset !\n");
1180                write_audio_gpio(&mix->hp_mute, 0);
1181                write_audio_gpio(&mix->amp_mute, 0);
1182                msleep(200);
1183                write_audio_gpio(&mix->hp_mute, 1);
1184                write_audio_gpio(&mix->amp_mute, 1);
1185                msleep(100);
1186                write_audio_gpio(&mix->hp_mute, 0);
1187                write_audio_gpio(&mix->amp_mute, 0);
1188                msleep(100);
1189        } else {
1190                DBG("(I) codec normal reset !\n");
1191
1192                write_audio_gpio(&mix->audio_reset, 0);
1193                msleep(200);
1194                write_audio_gpio(&mix->audio_reset, 1);
1195                msleep(100);
1196                write_audio_gpio(&mix->audio_reset, 0);
1197                msleep(100);
1198        }
1199}
1200
1201#ifdef CONFIG_PM
1202/* suspend mixer */
1203static void tumbler_suspend(struct snd_pmac *chip)
1204{
1205        struct pmac_tumbler *mix = chip->mixer_data;
1206
1207        if (mix->headphone_irq >= 0)
1208                disable_irq(mix->headphone_irq);
1209        if (mix->lineout_irq >= 0)
1210                disable_irq(mix->lineout_irq);
1211        mix->save_master_switch[0] = mix->master_switch[0];
1212        mix->save_master_switch[1] = mix->master_switch[1];
1213        mix->save_master_vol[0] = mix->master_vol[0];
1214        mix->save_master_vol[1] = mix->master_vol[1];
1215        mix->master_switch[0] = mix->master_switch[1] = 0;
1216        tumbler_set_master_volume(mix);
1217        if (!mix->anded_reset) {
1218                write_audio_gpio(&mix->amp_mute, 1);
1219                write_audio_gpio(&mix->hp_mute, 1);
1220        }
1221        if (chip->model == PMAC_SNAPPER) {
1222                mix->acs |= 1;
1223                i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
1224        }
1225        if (mix->anded_reset) {
1226                write_audio_gpio(&mix->amp_mute, 1);
1227                write_audio_gpio(&mix->hp_mute, 1);
1228        } else
1229                write_audio_gpio(&mix->audio_reset, 1);
1230}
1231
1232/* resume mixer */
1233static void tumbler_resume(struct snd_pmac *chip)
1234{
1235        struct pmac_tumbler *mix = chip->mixer_data;
1236
1237        mix->acs &= ~1;
1238        mix->master_switch[0] = mix->save_master_switch[0];
1239        mix->master_switch[1] = mix->save_master_switch[1];
1240        mix->master_vol[0] = mix->save_master_vol[0];
1241        mix->master_vol[1] = mix->save_master_vol[1];
1242        tumbler_reset_audio(chip);
1243        if (mix->i2c.client && mix->i2c.init_client) {
1244                if (mix->i2c.init_client(&mix->i2c) < 0)
1245                        printk(KERN_ERR "tumbler_init_client error\n");
1246        } else
1247                printk(KERN_ERR "tumbler: i2c is not initialized\n");
1248        if (chip->model == PMAC_TUMBLER) {
1249                tumbler_set_mono_volume(mix, &tumbler_pcm_vol_info);
1250                tumbler_set_mono_volume(mix, &tumbler_bass_vol_info);
1251                tumbler_set_mono_volume(mix, &tumbler_treble_vol_info);
1252                tumbler_set_drc(mix);
1253        } else {
1254                snapper_set_mix_vol(mix, VOL_IDX_PCM);
1255                snapper_set_mix_vol(mix, VOL_IDX_PCM2);
1256                snapper_set_mix_vol(mix, VOL_IDX_ADC);
1257                tumbler_set_mono_volume(mix, &snapper_bass_vol_info);
1258                tumbler_set_mono_volume(mix, &snapper_treble_vol_info);
1259                snapper_set_drc(mix);
1260                snapper_set_capture_source(mix);
1261        }
1262        tumbler_set_master_volume(mix);
1263        if (chip->update_automute)
1264                chip->update_automute(chip, 0);
1265        if (mix->headphone_irq >= 0) {
1266                unsigned char val;
1267
1268                enable_irq(mix->headphone_irq);
1269                /* activate headphone status interrupts */
1270                val = do_gpio_read(&mix->hp_detect);
1271                do_gpio_write(&mix->hp_detect, val | 0x80);
1272        }
1273        if (mix->lineout_irq >= 0)
1274                enable_irq(mix->lineout_irq);
1275}
1276#endif
1277
1278/* initialize tumbler */
1279static int __devinit tumbler_init(struct snd_pmac *chip)
1280{
1281        int irq;
1282        struct pmac_tumbler *mix = chip->mixer_data;
1283
1284        if (tumbler_find_device("audio-hw-reset",
1285                                "platform-do-hw-reset",
1286                                &mix->audio_reset, 0) < 0)
1287                tumbler_find_device("hw-reset",
1288                                    "platform-do-hw-reset",
1289                                    &mix->audio_reset, 1);
1290        if (tumbler_find_device("amp-mute",
1291                                "platform-do-amp-mute",
1292                                &mix->amp_mute, 0) < 0)
1293                tumbler_find_device("amp-mute",
1294                                    "platform-do-amp-mute",
1295                                    &mix->amp_mute, 1);
1296        if (tumbler_find_device("headphone-mute",
1297                                "platform-do-headphone-mute",
1298                                &mix->hp_mute, 0) < 0)
1299                tumbler_find_device("headphone-mute",
1300                                    "platform-do-headphone-mute",
1301                                    &mix->hp_mute, 1);
1302        if (tumbler_find_device("line-output-mute",
1303                                "platform-do-lineout-mute",
1304                                &mix->line_mute, 0) < 0)
1305                tumbler_find_device("line-output-mute",
1306                                   "platform-do-lineout-mute",
1307                                    &mix->line_mute, 1);
1308        irq = tumbler_find_device("headphone-detect",
1309                                  NULL, &mix->hp_detect, 0);
1310        if (irq <= NO_IRQ)
1311                irq = tumbler_find_device("headphone-detect",
1312                                          NULL, &mix->hp_detect, 1);
1313        if (irq <= NO_IRQ)
1314                irq = tumbler_find_device("keywest-gpio15",
1315                                          NULL, &mix->hp_detect, 1);
1316        mix->headphone_irq = irq;
1317        irq = tumbler_find_device("line-output-detect",
1318                                  NULL, &mix->line_detect, 0);
1319        if (irq <= NO_IRQ)
1320                irq = tumbler_find_device("line-output-detect",
1321                                          NULL, &mix->line_detect, 1);
1322        if (IS_G4DA && irq <= NO_IRQ)
1323                irq = tumbler_find_device("keywest-gpio16",
1324                                          NULL, &mix->line_detect, 1);
1325        mix->lineout_irq = irq;
1326
1327        tumbler_reset_audio(chip);
1328  
1329        return 0;
1330}
1331
1332static void tumbler_cleanup(struct snd_pmac *chip)
1333{
1334        struct pmac_tumbler *mix = chip->mixer_data;
1335        if (! mix)
1336                return;
1337
1338        if (mix->headphone_irq >= 0)
1339                free_irq(mix->headphone_irq, chip);
1340        if (mix->lineout_irq >= 0)
1341                free_irq(mix->lineout_irq, chip);
1342        tumbler_gpio_free(&mix->audio_reset);
1343        tumbler_gpio_free(&mix->amp_mute);
1344        tumbler_gpio_free(&mix->hp_mute);
1345        tumbler_gpio_free(&mix->hp_detect);
1346        snd_pmac_keywest_cleanup(&mix->i2c);
1347        kfree(mix);
1348        chip->mixer_data = NULL;
1349}
1350
1351/* exported */
1352int __devinit snd_pmac_tumbler_init(struct snd_pmac *chip)
1353{
1354        int i, err;
1355        struct pmac_tumbler *mix;
1356        const u32 *paddr;
1357        struct device_node *tas_node, *np;
1358        char *chipname;
1359
1360        request_module("i2c-powermac");
1361
1362        mix = kzalloc(sizeof(*mix), GFP_KERNEL);
1363        if (! mix)
1364                return -ENOMEM;
1365        mix->headphone_irq = -1;
1366
1367        chip->mixer_data = mix;
1368        chip->mixer_free = tumbler_cleanup;
1369        mix->anded_reset = 0;
1370        mix->reset_on_sleep = 1;
1371
1372        for (np = chip->node->child; np; np = np->sibling) {
1373                if (!strcmp(np->name, "sound")) {
1374                        if (of_get_property(np, "has-anded-reset", NULL))
1375                                mix->anded_reset = 1;
1376                        if (of_get_property(np, "layout-id", NULL))
1377                                mix->reset_on_sleep = 0;
1378                        break;
1379                }
1380        }
1381        if ((err = tumbler_init(chip)) < 0)
1382                return err;
1383
1384        /* set up TAS */
1385        tas_node = of_find_node_by_name(NULL, "deq");
1386        if (tas_node == NULL)
1387                tas_node = of_find_node_by_name(NULL, "codec");
1388        if (tas_node == NULL)
1389                return -ENODEV;
1390
1391        paddr = of_get_property(tas_node, "i2c-address", NULL);
1392        if (paddr == NULL)
1393                paddr = of_get_property(tas_node, "reg", NULL);
1394        if (paddr)
1395                mix->i2c.addr = (*paddr) >> 1;
1396        else
1397                mix->i2c.addr = TAS_I2C_ADDR;
1398        of_node_put(tas_node);
1399
1400        DBG("(I) TAS i2c address is: %x\n", mix->i2c.addr);
1401
1402        if (chip->model == PMAC_TUMBLER) {
1403                mix->i2c.init_client = tumbler_init_client;
1404                mix->i2c.name = "TAS3001c";
1405                chipname = "Tumbler";
1406        } else {
1407                mix->i2c.init_client = snapper_init_client;
1408                mix->i2c.name = "TAS3004";
1409                chipname = "Snapper";
1410        }
1411
1412        if ((err = snd_pmac_keywest_init(&mix->i2c)) < 0)
1413                return err;
1414
1415        /*
1416         * build mixers
1417         */
1418        sprintf(chip->card->mixername, "PowerMac %s", chipname);
1419
1420        if (chip->model == PMAC_TUMBLER) {
1421                for (i = 0; i < ARRAY_SIZE(tumbler_mixers); i++) {
1422                        if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&tumbler_mixers[i], chip))) < 0)
1423                                return err;
1424                }
1425        } else {
1426                for (i = 0; i < ARRAY_SIZE(snapper_mixers); i++) {
1427                        if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snapper_mixers[i], chip))) < 0)
1428                                return err;
1429                }
1430        }
1431        chip->master_sw_ctl = snd_ctl_new1(&tumbler_hp_sw, chip);
1432        if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
1433                return err;
1434        chip->speaker_sw_ctl = snd_ctl_new1(&tumbler_speaker_sw, chip);
1435        if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
1436                return err;
1437        if (mix->line_mute.addr != 0) {
1438                chip->lineout_sw_ctl = snd_ctl_new1(&tumbler_lineout_sw, chip);
1439                if ((err = snd_ctl_add(chip->card, chip->lineout_sw_ctl)) < 0)
1440                        return err;
1441        }
1442        chip->drc_sw_ctl = snd_ctl_new1(&tumbler_drc_sw, chip);
1443        if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
1444                return err;
1445
1446        /* set initial DRC range to 60% */
1447        if (chip->model == PMAC_TUMBLER)
1448                mix->drc_range = (TAS3001_DRC_MAX * 6) / 10;
1449        else
1450                mix->drc_range = (TAS3004_DRC_MAX * 6) / 10;
1451        mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */
1452        if (chip->model == PMAC_TUMBLER)
1453                tumbler_set_drc(mix);
1454        else
1455                snapper_set_drc(mix);
1456
1457#ifdef CONFIG_PM
1458        chip->suspend = tumbler_suspend;
1459        chip->resume = tumbler_resume;
1460#endif
1461
1462        INIT_WORK(&device_change, device_change_handler);
1463        device_change_chip = chip;
1464
1465#ifdef PMAC_SUPPORT_AUTOMUTE
1466        if ((mix->headphone_irq >=0 || mix->lineout_irq >= 0)
1467            && (err = snd_pmac_add_automute(chip)) < 0)
1468                return err;
1469        chip->detect_headphone = tumbler_detect_headphone;
1470        chip->update_automute = tumbler_update_automute;
1471        tumbler_update_automute(chip, 0); /* update the status only */
1472
1473        /* activate headphone status interrupts */
1474        if (mix->headphone_irq >= 0) {
1475                unsigned char val;
1476                if ((err = request_irq(mix->headphone_irq, headphone_intr, 0,
1477                                       "Sound Headphone Detection", chip)) < 0)
1478                        return 0;
1479                /* activate headphone status interrupts */
1480                val = do_gpio_read(&mix->hp_detect);
1481                do_gpio_write(&mix->hp_detect, val | 0x80);
1482        }
1483        if (mix->lineout_irq >= 0) {
1484                unsigned char val;
1485                if ((err = request_irq(mix->lineout_irq, headphone_intr, 0,
1486                                       "Sound Lineout Detection", chip)) < 0)
1487                        return 0;
1488                /* activate headphone status interrupts */
1489                val = do_gpio_read(&mix->line_detect);
1490                do_gpio_write(&mix->line_detect, val | 0x80);
1491        }
1492#endif
1493
1494        return 0;
1495}
1496
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.