linux/sound/soc/codecs/wm8350.c
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   1/*
   2 * wm8350.c -- WM8350 ALSA SoC audio driver
   3 *
   4 * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC.
   5 *
   6 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11 */
  12
  13#include <linux/module.h>
  14#include <linux/moduleparam.h>
  15#include <linux/init.h>
  16#include <linux/slab.h>
  17#include <linux/delay.h>
  18#include <linux/pm.h>
  19#include <linux/platform_device.h>
  20#include <linux/mfd/wm8350/audio.h>
  21#include <linux/mfd/wm8350/core.h>
  22#include <linux/regulator/consumer.h>
  23#include <sound/core.h>
  24#include <sound/pcm.h>
  25#include <sound/pcm_params.h>
  26#include <sound/soc.h>
  27#include <sound/initval.h>
  28#include <sound/tlv.h>
  29#include <trace/events/asoc.h>
  30
  31#include "wm8350.h"
  32
  33#define WM8350_OUTn_0dB 0x39
  34
  35#define WM8350_RAMP_NONE        0
  36#define WM8350_RAMP_UP          1
  37#define WM8350_RAMP_DOWN        2
  38
  39/* We only include the analogue supplies here; the digital supplies
  40 * need to be available well before this driver can be probed.
  41 */
  42static const char *supply_names[] = {
  43        "AVDD",
  44        "HPVDD",
  45};
  46
  47struct wm8350_output {
  48        u16 active;
  49        u16 left_vol;
  50        u16 right_vol;
  51        u16 ramp;
  52        u16 mute;
  53};
  54
  55struct wm8350_jack_data {
  56        struct snd_soc_jack *jack;
  57        struct delayed_work work;
  58        int report;
  59        int short_report;
  60};
  61
  62struct wm8350_data {
  63        struct snd_soc_codec codec;
  64        struct wm8350_output out1;
  65        struct wm8350_output out2;
  66        struct wm8350_jack_data hpl;
  67        struct wm8350_jack_data hpr;
  68        struct wm8350_jack_data mic;
  69        struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
  70        int fll_freq_out;
  71        int fll_freq_in;
  72};
  73
  74static unsigned int wm8350_codec_cache_read(struct snd_soc_codec *codec,
  75                                            unsigned int reg)
  76{
  77        struct wm8350 *wm8350 = codec->control_data;
  78        return wm8350->reg_cache[reg];
  79}
  80
  81static unsigned int wm8350_codec_read(struct snd_soc_codec *codec,
  82                                      unsigned int reg)
  83{
  84        struct wm8350 *wm8350 = codec->control_data;
  85        return wm8350_reg_read(wm8350, reg);
  86}
  87
  88static int wm8350_codec_write(struct snd_soc_codec *codec, unsigned int reg,
  89                              unsigned int value)
  90{
  91        struct wm8350 *wm8350 = codec->control_data;
  92        return wm8350_reg_write(wm8350, reg, value);
  93}
  94
  95/*
  96 * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
  97 */
  98static inline int wm8350_out1_ramp_step(struct snd_soc_codec *codec)
  99{
 100        struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
 101        struct wm8350_output *out1 = &wm8350_data->out1;
 102        struct wm8350 *wm8350 = codec->control_data;
 103        int left_complete = 0, right_complete = 0;
 104        u16 reg, val;
 105
 106        /* left channel */
 107        reg = wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME);
 108        val = (reg & WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
 109
 110        if (out1->ramp == WM8350_RAMP_UP) {
 111                /* ramp step up */
 112                if (val < out1->left_vol) {
 113                        val++;
 114                        reg &= ~WM8350_OUT1L_VOL_MASK;
 115                        wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
 116                                         reg | (val << WM8350_OUT1L_VOL_SHIFT));
 117                } else
 118                        left_complete = 1;
 119        } else if (out1->ramp == WM8350_RAMP_DOWN) {
 120                /* ramp step down */
 121                if (val > 0) {
 122                        val--;
 123                        reg &= ~WM8350_OUT1L_VOL_MASK;
 124                        wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
 125                                         reg | (val << WM8350_OUT1L_VOL_SHIFT));
 126                } else
 127                        left_complete = 1;
 128        } else
 129                return 1;
 130
 131        /* right channel */
 132        reg = wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME);
 133        val = (reg & WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
 134        if (out1->ramp == WM8350_RAMP_UP) {
 135                /* ramp step up */
 136                if (val < out1->right_vol) {
 137                        val++;
 138                        reg &= ~WM8350_OUT1R_VOL_MASK;
 139                        wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
 140                                         reg | (val << WM8350_OUT1R_VOL_SHIFT));
 141                } else
 142                        right_complete = 1;
 143        } else if (out1->ramp == WM8350_RAMP_DOWN) {
 144                /* ramp step down */
 145                if (val > 0) {
 146                        val--;
 147                        reg &= ~WM8350_OUT1R_VOL_MASK;
 148                        wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
 149                                         reg | (val << WM8350_OUT1R_VOL_SHIFT));
 150                } else
 151                        right_complete = 1;
 152        }
 153
 154        /* only hit the update bit if either volume has changed this step */
 155        if (!left_complete || !right_complete)
 156                wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, WM8350_OUT1_VU);
 157
 158        return left_complete & right_complete;
 159}
 160
 161/*
 162 * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
 163 */
 164static inline int wm8350_out2_ramp_step(struct snd_soc_codec *codec)
 165{
 166        struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
 167        struct wm8350_output *out2 = &wm8350_data->out2;
 168        struct wm8350 *wm8350 = codec->control_data;
 169        int left_complete = 0, right_complete = 0;
 170        u16 reg, val;
 171
 172        /* left channel */
 173        reg = wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME);
 174        val = (reg & WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
 175        if (out2->ramp == WM8350_RAMP_UP) {
 176                /* ramp step up */
 177                if (val < out2->left_vol) {
 178                        val++;
 179                        reg &= ~WM8350_OUT2L_VOL_MASK;
 180                        wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
 181                                         reg | (val << WM8350_OUT1L_VOL_SHIFT));
 182                } else
 183                        left_complete = 1;
 184        } else if (out2->ramp == WM8350_RAMP_DOWN) {
 185                /* ramp step down */
 186                if (val > 0) {
 187                        val--;
 188                        reg &= ~WM8350_OUT2L_VOL_MASK;
 189                        wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
 190                                         reg | (val << WM8350_OUT1L_VOL_SHIFT));
 191                } else
 192                        left_complete = 1;
 193        } else
 194                return 1;
 195
 196        /* right channel */
 197        reg = wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME);
 198        val = (reg & WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
 199        if (out2->ramp == WM8350_RAMP_UP) {
 200                /* ramp step up */
 201                if (val < out2->right_vol) {
 202                        val++;
 203                        reg &= ~WM8350_OUT2R_VOL_MASK;
 204                        wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
 205                                         reg | (val << WM8350_OUT1R_VOL_SHIFT));
 206                } else
 207                        right_complete = 1;
 208        } else if (out2->ramp == WM8350_RAMP_DOWN) {
 209                /* ramp step down */
 210                if (val > 0) {
 211                        val--;
 212                        reg &= ~WM8350_OUT2R_VOL_MASK;
 213                        wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
 214                                         reg | (val << WM8350_OUT1R_VOL_SHIFT));
 215                } else
 216                        right_complete = 1;
 217        }
 218
 219        /* only hit the update bit if either volume has changed this step */
 220        if (!left_complete || !right_complete)
 221                wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, WM8350_OUT2_VU);
 222
 223        return left_complete & right_complete;
 224}
 225
 226/*
 227 * This work ramps both output PGAs at stream start/stop time to
 228 * minimise pop associated with DAPM power switching.
 229 * It's best to enable Zero Cross when ramping occurs to minimise any
 230 * zipper noises.
 231 */
 232static void wm8350_pga_work(struct work_struct *work)
 233{
 234        struct snd_soc_dapm_context *dapm =
 235            container_of(work, struct snd_soc_dapm_context, delayed_work.work);
 236        struct snd_soc_codec *codec = dapm->codec;
 237        struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
 238        struct wm8350_output *out1 = &wm8350_data->out1,
 239            *out2 = &wm8350_data->out2;
 240        int i, out1_complete, out2_complete;
 241
 242        /* do we need to ramp at all ? */
 243        if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE)
 244                return;
 245
 246        /* PGA volumes have 6 bits of resolution to ramp */
 247        for (i = 0; i <= 63; i++) {
 248                out1_complete = 1, out2_complete = 1;
 249                if (out1->ramp != WM8350_RAMP_NONE)
 250                        out1_complete = wm8350_out1_ramp_step(codec);
 251                if (out2->ramp != WM8350_RAMP_NONE)
 252                        out2_complete = wm8350_out2_ramp_step(codec);
 253
 254                /* ramp finished ? */
 255                if (out1_complete && out2_complete)
 256                        break;
 257
 258                /* we need to delay longer on the up ramp */
 259                if (out1->ramp == WM8350_RAMP_UP ||
 260                    out2->ramp == WM8350_RAMP_UP) {
 261                        /* delay is longer over 0dB as increases are larger */
 262                        if (i >= WM8350_OUTn_0dB)
 263                                schedule_timeout_interruptible(msecs_to_jiffies
 264                                                               (2));
 265                        else
 266                                schedule_timeout_interruptible(msecs_to_jiffies
 267                                                               (1));
 268                } else
 269                        udelay(50);     /* doesn't matter if we delay longer */
 270        }
 271
 272        out1->ramp = WM8350_RAMP_NONE;
 273        out2->ramp = WM8350_RAMP_NONE;
 274}
 275
 276/*
 277 * WM8350 Controls
 278 */
 279
 280static int pga_event(struct snd_soc_dapm_widget *w,
 281                     struct snd_kcontrol *kcontrol, int event)
 282{
 283        struct snd_soc_codec *codec = w->codec;
 284        struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
 285        struct wm8350_output *out;
 286
 287        switch (w->shift) {
 288        case 0:
 289        case 1:
 290                out = &wm8350_data->out1;
 291                break;
 292        case 2:
 293        case 3:
 294                out = &wm8350_data->out2;
 295                break;
 296
 297        default:
 298                BUG();
 299                return -1;
 300        }
 301
 302        switch (event) {
 303        case SND_SOC_DAPM_POST_PMU:
 304                out->ramp = WM8350_RAMP_UP;
 305                out->active = 1;
 306
 307                if (!delayed_work_pending(&codec->dapm.delayed_work))
 308                        schedule_delayed_work(&codec->dapm.delayed_work,
 309                                              msecs_to_jiffies(1));
 310                break;
 311
 312        case SND_SOC_DAPM_PRE_PMD:
 313                out->ramp = WM8350_RAMP_DOWN;
 314                out->active = 0;
 315
 316                if (!delayed_work_pending(&codec->dapm.delayed_work))
 317                        schedule_delayed_work(&codec->dapm.delayed_work,
 318                                              msecs_to_jiffies(1));
 319                break;
 320        }
 321
 322        return 0;
 323}
 324
 325static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
 326                                  struct snd_ctl_elem_value *ucontrol)
 327{
 328        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 329        struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
 330        struct wm8350_output *out = NULL;
 331        struct soc_mixer_control *mc =
 332                (struct soc_mixer_control *)kcontrol->private_value;
 333        int ret;
 334        unsigned int reg = mc->reg;
 335        u16 val;
 336
 337        /* For OUT1 and OUT2 we shadow the values and only actually write
 338         * them out when active in order to ensure the amplifier comes on
 339         * as quietly as possible. */
 340        switch (reg) {
 341        case WM8350_LOUT1_VOLUME:
 342                out = &wm8350_priv->out1;
 343                break;
 344        case WM8350_LOUT2_VOLUME:
 345                out = &wm8350_priv->out2;
 346                break;
 347        default:
 348                break;
 349        }
 350
 351        if (out) {
 352                out->left_vol = ucontrol->value.integer.value[0];
 353                out->right_vol = ucontrol->value.integer.value[1];
 354                if (!out->active)
 355                        return 1;
 356        }
 357
 358        ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 359        if (ret < 0)
 360                return ret;
 361
 362        /* now hit the volume update bits (always bit 8) */
 363        val = wm8350_codec_read(codec, reg);
 364        wm8350_codec_write(codec, reg, val | WM8350_OUT1_VU);
 365        return 1;
 366}
 367
 368static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol,
 369                               struct snd_ctl_elem_value *ucontrol)
 370{
 371        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 372        struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
 373        struct wm8350_output *out1 = &wm8350_priv->out1;
 374        struct wm8350_output *out2 = &wm8350_priv->out2;
 375        struct soc_mixer_control *mc =
 376                (struct soc_mixer_control *)kcontrol->private_value;
 377        unsigned int reg = mc->reg;
 378
 379        /* If these are cached registers use the cache */
 380        switch (reg) {
 381        case WM8350_LOUT1_VOLUME:
 382                ucontrol->value.integer.value[0] = out1->left_vol;
 383                ucontrol->value.integer.value[1] = out1->right_vol;
 384                return 0;
 385
 386        case WM8350_LOUT2_VOLUME:
 387                ucontrol->value.integer.value[0] = out2->left_vol;
 388                ucontrol->value.integer.value[1] = out2->right_vol;
 389                return 0;
 390
 391        default:
 392                break;
 393        }
 394
 395        return snd_soc_get_volsw_2r(kcontrol, ucontrol);
 396}
 397
 398/* double control with volume update */
 399#define SOC_WM8350_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, \
 400                                xinvert, tlv_array) \
 401{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 402        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 403                SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 404                SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
 405        .tlv.p = (tlv_array), \
 406        .info = snd_soc_info_volsw_2r, \
 407        .get = wm8350_get_volsw_2r, .put = wm8350_put_volsw_2r_vu, \
 408        .private_value = (unsigned long)&(struct soc_mixer_control) \
 409                {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
 410                 .rshift = xshift, .max = xmax, .invert = xinvert}, }
 411
 412static const char *wm8350_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
 413static const char *wm8350_pol[] = { "Normal", "Inv R", "Inv L", "Inv L & R" };
 414static const char *wm8350_dacmutem[] = { "Normal", "Soft" };
 415static const char *wm8350_dacmutes[] = { "Fast", "Slow" };
 416static const char *wm8350_adcfilter[] = { "None", "High Pass" };
 417static const char *wm8350_adchp[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" };
 418static const char *wm8350_lr[] = { "Left", "Right" };
 419
 420static const struct soc_enum wm8350_enum[] = {
 421        SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 4, 4, wm8350_deemp),
 422        SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 0, 4, wm8350_pol),
 423        SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 14, 2, wm8350_dacmutem),
 424        SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 13, 2, wm8350_dacmutes),
 425        SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 15, 2, wm8350_adcfilter),
 426        SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 8, 4, wm8350_adchp),
 427        SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 0, 4, wm8350_pol),
 428        SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr),
 429};
 430
 431static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0);
 432static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0);
 433static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
 434static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
 435static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);
 436
 437static const unsigned int capture_sd_tlv[] = {
 438        TLV_DB_RANGE_HEAD(2),
 439        0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
 440        13, 15, TLV_DB_SCALE_ITEM(0, 0, 0),
 441};
 442
 443static const struct snd_kcontrol_new wm8350_snd_controls[] = {
 444        SOC_ENUM("Playback Deemphasis", wm8350_enum[0]),
 445        SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]),
 446        SOC_WM8350_DOUBLE_R_TLV("Playback PCM Volume",
 447                                WM8350_DAC_DIGITAL_VOLUME_L,
 448                                WM8350_DAC_DIGITAL_VOLUME_R,
 449                                0, 255, 0, dac_pcm_tlv),
 450        SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]),
 451        SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]),
 452        SOC_ENUM("Capture PCM Filter", wm8350_enum[4]),
 453        SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]),
 454        SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]),
 455        SOC_WM8350_DOUBLE_R_TLV("Capture PCM Volume",
 456                                WM8350_ADC_DIGITAL_VOLUME_L,
 457                                WM8350_ADC_DIGITAL_VOLUME_R,
 458                                0, 255, 0, adc_pcm_tlv),
 459        SOC_DOUBLE_TLV("Capture Sidetone Volume",
 460                       WM8350_ADC_DIVIDER,
 461                       8, 4, 15, 1, capture_sd_tlv),
 462        SOC_WM8350_DOUBLE_R_TLV("Capture Volume",
 463                                WM8350_LEFT_INPUT_VOLUME,
 464                                WM8350_RIGHT_INPUT_VOLUME,
 465                                2, 63, 0, pre_amp_tlv),
 466        SOC_DOUBLE_R("Capture ZC Switch",
 467                     WM8350_LEFT_INPUT_VOLUME,
 468                     WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0),
 469        SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
 470                       WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv),
 471        SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
 472                       WM8350_OUTPUT_LEFT_MIXER_VOLUME,
 473                       5, 7, 0, out_mix_tlv),
 474        SOC_SINGLE_TLV("Left Input Bypass Volume",
 475                       WM8350_OUTPUT_LEFT_MIXER_VOLUME,
 476                       9, 7, 0, out_mix_tlv),
 477        SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
 478                       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
 479                       1, 7, 0, out_mix_tlv),
 480        SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
 481                       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
 482                       5, 7, 0, out_mix_tlv),
 483        SOC_SINGLE_TLV("Right Input Bypass Volume",
 484                       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
 485                       13, 7, 0, out_mix_tlv),
 486        SOC_SINGLE("Left Input Mixer +20dB Switch",
 487                   WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0),
 488        SOC_SINGLE("Right Input Mixer +20dB Switch",
 489                   WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0),
 490        SOC_SINGLE_TLV("Out4 Capture Volume",
 491                       WM8350_INPUT_MIXER_VOLUME,
 492                       1, 7, 0, out_mix_tlv),
 493        SOC_WM8350_DOUBLE_R_TLV("Out1 Playback Volume",
 494                                WM8350_LOUT1_VOLUME,
 495                                WM8350_ROUT1_VOLUME,
 496                                2, 63, 0, out_pga_tlv),
 497        SOC_DOUBLE_R("Out1 Playback ZC Switch",
 498                     WM8350_LOUT1_VOLUME,
 499                     WM8350_ROUT1_VOLUME, 13, 1, 0),
 500        SOC_WM8350_DOUBLE_R_TLV("Out2 Playback Volume",
 501                                WM8350_LOUT2_VOLUME,
 502                                WM8350_ROUT2_VOLUME,
 503                                2, 63, 0, out_pga_tlv),
 504        SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME,
 505                     WM8350_ROUT2_VOLUME, 13, 1, 0),
 506        SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0),
 507        SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME,
 508                       5, 7, 0, out_mix_tlv),
 509
 510        SOC_DOUBLE_R("Out1 Playback Switch",
 511                     WM8350_LOUT1_VOLUME,
 512                     WM8350_ROUT1_VOLUME,
 513                     14, 1, 1),
 514        SOC_DOUBLE_R("Out2 Playback Switch",
 515                     WM8350_LOUT2_VOLUME,
 516                     WM8350_ROUT2_VOLUME,
 517                     14, 1, 1),
 518};
 519
 520/*
 521 * DAPM Controls
 522 */
 523
 524/* Left Playback Mixer */
 525static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = {
 526        SOC_DAPM_SINGLE("Playback Switch",
 527                        WM8350_LEFT_MIXER_CONTROL, 11, 1, 0),
 528        SOC_DAPM_SINGLE("Left Bypass Switch",
 529                        WM8350_LEFT_MIXER_CONTROL, 2, 1, 0),
 530        SOC_DAPM_SINGLE("Right Playback Switch",
 531                        WM8350_LEFT_MIXER_CONTROL, 12, 1, 0),
 532        SOC_DAPM_SINGLE("Left Sidetone Switch",
 533                        WM8350_LEFT_MIXER_CONTROL, 0, 1, 0),
 534        SOC_DAPM_SINGLE("Right Sidetone Switch",
 535                        WM8350_LEFT_MIXER_CONTROL, 1, 1, 0),
 536};
 537
 538/* Right Playback Mixer */
 539static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = {
 540        SOC_DAPM_SINGLE("Playback Switch",
 541                        WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0),
 542        SOC_DAPM_SINGLE("Right Bypass Switch",
 543                        WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0),
 544        SOC_DAPM_SINGLE("Left Playback Switch",
 545                        WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0),
 546        SOC_DAPM_SINGLE("Left Sidetone Switch",
 547                        WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0),
 548        SOC_DAPM_SINGLE("Right Sidetone Switch",
 549                        WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0),
 550};
 551
 552/* Out4 Mixer */
 553static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = {
 554        SOC_DAPM_SINGLE("Right Playback Switch",
 555                        WM8350_OUT4_MIXER_CONTROL, 12, 1, 0),
 556        SOC_DAPM_SINGLE("Left Playback Switch",
 557                        WM8350_OUT4_MIXER_CONTROL, 11, 1, 0),
 558        SOC_DAPM_SINGLE("Right Capture Switch",
 559                        WM8350_OUT4_MIXER_CONTROL, 9, 1, 0),
 560        SOC_DAPM_SINGLE("Out3 Playback Switch",
 561                        WM8350_OUT4_MIXER_CONTROL, 2, 1, 0),
 562        SOC_DAPM_SINGLE("Right Mixer Switch",
 563                        WM8350_OUT4_MIXER_CONTROL, 1, 1, 0),
 564        SOC_DAPM_SINGLE("Left Mixer Switch",
 565                        WM8350_OUT4_MIXER_CONTROL, 0, 1, 0),
 566};
 567
 568/* Out3 Mixer */
 569static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = {
 570        SOC_DAPM_SINGLE("Left Playback Switch",
 571                        WM8350_OUT3_MIXER_CONTROL, 11, 1, 0),
 572        SOC_DAPM_SINGLE("Left Capture Switch",
 573                        WM8350_OUT3_MIXER_CONTROL, 8, 1, 0),
 574        SOC_DAPM_SINGLE("Out4 Playback Switch",
 575                        WM8350_OUT3_MIXER_CONTROL, 3, 1, 0),
 576        SOC_DAPM_SINGLE("Left Mixer Switch",
 577                        WM8350_OUT3_MIXER_CONTROL, 0, 1, 0),
 578};
 579
 580/* Left Input Mixer */
 581static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = {
 582        SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
 583                            WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv),
 584        SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
 585                            WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv),
 586        SOC_DAPM_SINGLE("PGA Capture Switch",
 587                        WM8350_LEFT_INPUT_VOLUME, 14, 1, 1),
 588};
 589
 590/* Right Input Mixer */
 591static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = {
 592        SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
 593                            WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv),
 594        SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
 595                            WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv),
 596        SOC_DAPM_SINGLE("PGA Capture Switch",
 597                        WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1),
 598};
 599
 600/* Left Mic Mixer */
 601static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = {
 602        SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0),
 603        SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0),
 604        SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0),
 605};
 606
 607/* Right Mic Mixer */
 608static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = {
 609        SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0),
 610        SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0),
 611        SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0),
 612};
 613
 614/* Beep Switch */
 615static const struct snd_kcontrol_new wm8350_beep_switch_controls =
 616SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1);
 617
 618/* Out4 Capture Mux */
 619static const struct snd_kcontrol_new wm8350_out4_capture_controls =
 620SOC_DAPM_ENUM("Route", wm8350_enum[7]);
 621
 622static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = {
 623
 624        SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0),
 625        SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0),
 626        SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL,
 627                           0, pga_event,
 628                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 629        SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0,
 630                           pga_event,
 631                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 632        SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL,
 633                           0, pga_event,
 634                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 635        SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0,
 636                           pga_event,
 637                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 638
 639        SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2,
 640                           7, 0, &wm8350_right_capt_mixer_controls[0],
 641                           ARRAY_SIZE(wm8350_right_capt_mixer_controls)),
 642
 643        SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2,
 644                           6, 0, &wm8350_left_capt_mixer_controls[0],
 645                           ARRAY_SIZE(wm8350_left_capt_mixer_controls)),
 646
 647        SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0,
 648                           &wm8350_out4_mixer_controls[0],
 649                           ARRAY_SIZE(wm8350_out4_mixer_controls)),
 650
 651        SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0,
 652                           &wm8350_out3_mixer_controls[0],
 653                           ARRAY_SIZE(wm8350_out3_mixer_controls)),
 654
 655        SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0,
 656                           &wm8350_right_play_mixer_controls[0],
 657                           ARRAY_SIZE(wm8350_right_play_mixer_controls)),
 658
 659        SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0,
 660                           &wm8350_left_play_mixer_controls[0],
 661                           ARRAY_SIZE(wm8350_left_play_mixer_controls)),
 662
 663        SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0,
 664                           &wm8350_left_mic_mixer_controls[0],
 665                           ARRAY_SIZE(wm8350_left_mic_mixer_controls)),
 666
 667        SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0,
 668                           &wm8350_right_mic_mixer_controls[0],
 669                           ARRAY_SIZE(wm8350_right_mic_mixer_controls)),
 670
 671        /* virtual mixer for Beep and Out2R */
 672        SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 673
 674        SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0,
 675                            &wm8350_beep_switch_controls),
 676
 677        SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
 678                         WM8350_POWER_MGMT_4, 3, 0),
 679        SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
 680                         WM8350_POWER_MGMT_4, 2, 0),
 681        SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
 682                         WM8350_POWER_MGMT_4, 5, 0),
 683        SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
 684                         WM8350_POWER_MGMT_4, 4, 0),
 685
 686        SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0),
 687
 688        SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0,
 689                         &wm8350_out4_capture_controls),
 690
 691        SND_SOC_DAPM_OUTPUT("OUT1R"),
 692        SND_SOC_DAPM_OUTPUT("OUT1L"),
 693        SND_SOC_DAPM_OUTPUT("OUT2R"),
 694        SND_SOC_DAPM_OUTPUT("OUT2L"),
 695        SND_SOC_DAPM_OUTPUT("OUT3"),
 696        SND_SOC_DAPM_OUTPUT("OUT4"),
 697
 698        SND_SOC_DAPM_INPUT("IN1RN"),
 699        SND_SOC_DAPM_INPUT("IN1RP"),
 700        SND_SOC_DAPM_INPUT("IN2R"),
 701        SND_SOC_DAPM_INPUT("IN1LP"),
 702        SND_SOC_DAPM_INPUT("IN1LN"),
 703        SND_SOC_DAPM_INPUT("IN2L"),
 704        SND_SOC_DAPM_INPUT("IN3R"),
 705        SND_SOC_DAPM_INPUT("IN3L"),
 706};
 707
 708static const struct snd_soc_dapm_route audio_map[] = {
 709
 710        /* left playback mixer */
 711        {"Left Playback Mixer", "Playback Switch", "Left DAC"},
 712        {"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
 713        {"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
 714        {"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
 715        {"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
 716
 717        /* right playback mixer */
 718        {"Right Playback Mixer", "Playback Switch", "Right DAC"},
 719        {"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
 720        {"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
 721        {"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
 722        {"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
 723
 724        /* out4 playback mixer */
 725        {"Out4 Mixer", "Right Playback Switch", "Right DAC"},
 726        {"Out4 Mixer", "Left Playback Switch", "Left DAC"},
 727        {"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
 728        {"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
 729        {"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
 730        {"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
 731        {"OUT4", NULL, "Out4 Mixer"},
 732
 733        /* out3 playback mixer */
 734        {"Out3 Mixer", "Left Playback Switch", "Left DAC"},
 735        {"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
 736        {"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
 737        {"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
 738        {"OUT3", NULL, "Out3 Mixer"},
 739
 740        /* out2 */
 741        {"Right Out2 PGA", NULL, "Right Playback Mixer"},
 742        {"Left Out2 PGA", NULL, "Left Playback Mixer"},
 743        {"OUT2L", NULL, "Left Out2 PGA"},
 744        {"OUT2R", NULL, "Right Out2 PGA"},
 745
 746        /* out1 */
 747        {"Right Out1 PGA", NULL, "Right Playback Mixer"},
 748        {"Left Out1 PGA", NULL, "Left Playback Mixer"},
 749        {"OUT1L", NULL, "Left Out1 PGA"},
 750        {"OUT1R", NULL, "Right Out1 PGA"},
 751
 752        /* ADCs */
 753        {"Left ADC", NULL, "Left Capture Mixer"},
 754        {"Right ADC", NULL, "Right Capture Mixer"},
 755
 756        /* Left capture mixer */
 757        {"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
 758        {"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
 759        {"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
 760        {"Left Capture Mixer", NULL, "Out4 Capture Channel"},
 761
 762        /* Right capture mixer */
 763        {"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
 764        {"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
 765        {"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
 766        {"Right Capture Mixer", NULL, "Out4 Capture Channel"},
 767
 768        /* L3 Inputs */
 769        {"IN3L PGA", NULL, "IN3L"},
 770        {"IN3R PGA", NULL, "IN3R"},
 771
 772        /* Left Mic mixer */
 773        {"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
 774        {"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
 775        {"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
 776
 777        /* Right Mic mixer */
 778        {"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
 779        {"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
 780        {"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
 781
 782        /* out 4 capture */
 783        {"Out4 Capture Channel", NULL, "Out4 Mixer"},
 784
 785        /* Beep */
 786        {"Beep", NULL, "IN3R PGA"},
 787};
 788
 789static int wm8350_add_widgets(struct snd_soc_codec *codec)
 790{
 791        struct snd_soc_dapm_context *dapm = &codec->dapm;
 792        int ret;
 793
 794        ret = snd_soc_dapm_new_controls(dapm,
 795                                        wm8350_dapm_widgets,
 796                                        ARRAY_SIZE(wm8350_dapm_widgets));
 797        if (ret != 0) {
 798                dev_err(codec->dev, "dapm control register failed\n");
 799                return ret;
 800        }
 801
 802        /* set up audio paths */
 803        ret = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
 804        if (ret != 0) {
 805                dev_err(codec->dev, "DAPM route register failed\n");
 806                return ret;
 807        }
 808
 809        return 0;
 810}
 811
 812static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 813                                 int clk_id, unsigned int freq, int dir)
 814{
 815        struct snd_soc_codec *codec = codec_dai->codec;
 816        struct wm8350 *wm8350 = codec->control_data;
 817        u16 fll_4;
 818
 819        switch (clk_id) {
 820        case WM8350_MCLK_SEL_MCLK:
 821                wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1,
 822                                  WM8350_MCLK_SEL);
 823                break;
 824        case WM8350_MCLK_SEL_PLL_MCLK:
 825        case WM8350_MCLK_SEL_PLL_DAC:
 826        case WM8350_MCLK_SEL_PLL_ADC:
 827        case WM8350_MCLK_SEL_PLL_32K:
 828                wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1,
 829                                WM8350_MCLK_SEL);
 830                fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
 831                    ~WM8350_FLL_CLK_SRC_MASK;
 832                wm8350_codec_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id);
 833                break;
 834        }
 835
 836        /* MCLK direction */
 837        if (dir == SND_SOC_CLOCK_OUT)
 838                wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
 839                                WM8350_MCLK_DIR);
 840        else
 841                wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2,
 842                                  WM8350_MCLK_DIR);
 843
 844        return 0;
 845}
 846
 847static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div)
 848{
 849        struct snd_soc_codec *codec = codec_dai->codec;
 850        u16 val;
 851
 852        switch (div_id) {
 853        case WM8350_ADC_CLKDIV:
 854                val = wm8350_codec_read(codec, WM8350_ADC_DIVIDER) &
 855                    ~WM8350_ADC_CLKDIV_MASK;
 856                wm8350_codec_write(codec, WM8350_ADC_DIVIDER, val | div);
 857                break;
 858        case WM8350_DAC_CLKDIV:
 859                val = wm8350_codec_read(codec, WM8350_DAC_CLOCK_CONTROL) &
 860                    ~WM8350_DAC_CLKDIV_MASK;
 861                wm8350_codec_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div);
 862                break;
 863        case WM8350_BCLK_CLKDIV:
 864                val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
 865                    ~WM8350_BCLK_DIV_MASK;
 866                wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
 867                break;
 868        case WM8350_OPCLK_CLKDIV:
 869                val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
 870                    ~WM8350_OPCLK_DIV_MASK;
 871                wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
 872                break;
 873        case WM8350_SYS_CLKDIV:
 874                val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
 875                    ~WM8350_MCLK_DIV_MASK;
 876                wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
 877                break;
 878        case WM8350_DACLR_CLKDIV:
 879                val = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
 880                    ~WM8350_DACLRC_RATE_MASK;
 881                wm8350_codec_write(codec, WM8350_DAC_LR_RATE, val | div);
 882                break;
 883        case WM8350_ADCLR_CLKDIV:
 884                val = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
 885                    ~WM8350_ADCLRC_RATE_MASK;
 886                wm8350_codec_write(codec, WM8350_ADC_LR_RATE, val | div);
 887                break;
 888        default:
 889                return -EINVAL;
 890        }
 891
 892        return 0;
 893}
 894
 895static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 896{
 897        struct snd_soc_codec *codec = codec_dai->codec;
 898        u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
 899            ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK);
 900        u16 master = wm8350_codec_read(codec, WM8350_AI_DAC_CONTROL) &
 901            ~WM8350_BCLK_MSTR;
 902        u16 dac_lrc = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
 903            ~WM8350_DACLRC_ENA;
 904        u16 adc_lrc = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
 905            ~WM8350_ADCLRC_ENA;
 906
 907        /* set master/slave audio interface */
 908        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 909        case SND_SOC_DAIFMT_CBM_CFM:
 910                master |= WM8350_BCLK_MSTR;
 911                dac_lrc |= WM8350_DACLRC_ENA;
 912                adc_lrc |= WM8350_ADCLRC_ENA;
 913                break;
 914        case SND_SOC_DAIFMT_CBS_CFS:
 915                break;
 916        default:
 917                return -EINVAL;
 918        }
 919
 920        /* interface format */
 921        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 922        case SND_SOC_DAIFMT_I2S:
 923                iface |= 0x2 << 8;
 924                break;
 925        case SND_SOC_DAIFMT_RIGHT_J:
 926                break;
 927        case SND_SOC_DAIFMT_LEFT_J:
 928                iface |= 0x1 << 8;
 929                break;
 930        case SND_SOC_DAIFMT_DSP_A:
 931                iface |= 0x3 << 8;
 932                break;
 933        case SND_SOC_DAIFMT_DSP_B:
 934                iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV;
 935                break;
 936        default:
 937                return -EINVAL;
 938        }
 939
 940        /* clock inversion */
 941        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 942        case SND_SOC_DAIFMT_NB_NF:
 943                break;
 944        case SND_SOC_DAIFMT_IB_IF:
 945                iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV;
 946                break;
 947        case SND_SOC_DAIFMT_IB_NF:
 948                iface |= WM8350_AIF_BCLK_INV;
 949                break;
 950        case SND_SOC_DAIFMT_NB_IF:
 951                iface |= WM8350_AIF_LRCLK_INV;
 952                break;
 953        default:
 954                return -EINVAL;
 955        }
 956
 957        wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
 958        wm8350_codec_write(codec, WM8350_AI_DAC_CONTROL, master);
 959        wm8350_codec_write(codec, WM8350_DAC_LR_RATE, dac_lrc);
 960        wm8350_codec_write(codec, WM8350_ADC_LR_RATE, adc_lrc);
 961        return 0;
 962}
 963
 964static int wm8350_pcm_trigger(struct snd_pcm_substream *substream,
 965                              int cmd, struct snd_soc_dai *codec_dai)
 966{
 967        struct snd_soc_codec *codec = codec_dai->codec;
 968        int master = wm8350_codec_cache_read(codec, WM8350_AI_DAC_CONTROL) &
 969            WM8350_BCLK_MSTR;
 970        int enabled = 0;
 971
 972        /* Check that the DACs or ADCs are enabled since they are
 973         * required for LRC in master mode. The DACs or ADCs need a
 974         * valid audio path i.e. pin -> ADC or DAC -> pin before
 975         * the LRC will be enabled in master mode. */
 976        if (!master || cmd != SNDRV_PCM_TRIGGER_START)
 977                return 0;
 978
 979        if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 980                enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
 981                    (WM8350_ADCR_ENA | WM8350_ADCL_ENA);
 982        } else {
 983                enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
 984                    (WM8350_DACR_ENA | WM8350_DACL_ENA);
 985        }
 986
 987        if (!enabled) {
 988                dev_err(codec->dev,
 989                       "%s: invalid audio path - no clocks available\n",
 990                       __func__);
 991                return -EINVAL;
 992        }
 993        return 0;
 994}
 995
 996static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream,
 997                                struct snd_pcm_hw_params *params,
 998                                struct snd_soc_dai *codec_dai)
 999{
1000        struct snd_soc_codec *codec = codec_dai->codec;
1001        struct wm8350 *wm8350 = codec->control_data;
1002        u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
1003            ~WM8350_AIF_WL_MASK;
1004
1005        /* bit size */
1006        switch (params_format(params)) {
1007        case SNDRV_PCM_FORMAT_S16_LE:
1008                break;
1009        case SNDRV_PCM_FORMAT_S20_3LE:
1010                iface |= 0x1 << 10;
1011                break;
1012        case SNDRV_PCM_FORMAT_S24_LE:
1013                iface |= 0x2 << 10;
1014                break;
1015        case SNDRV_PCM_FORMAT_S32_LE:
1016                iface |= 0x3 << 10;
1017                break;
1018        }
1019
1020        wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
1021
1022        /* The sloping stopband filter is recommended for use with
1023         * lower sample rates to improve performance.
1024         */
1025        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1026                if (params_rate(params) < 24000)
1027                        wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
1028                                        WM8350_DAC_SB_FILT);
1029                else
1030                        wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
1031                                          WM8350_DAC_SB_FILT);
1032        }
1033
1034        return 0;
1035}
1036
1037static int wm8350_mute(struct snd_soc_dai *dai, int mute)
1038{
1039        struct snd_soc_codec *codec = dai->codec;
1040        struct wm8350 *wm8350 = codec->control_data;
1041
1042        if (mute)
1043                wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1044        else
1045                wm8350_clear_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1046        return 0;
1047}
1048
1049/* FLL divisors */
1050struct _fll_div {
1051        int div;                /* FLL_OUTDIV */
1052        int n;
1053        int k;
1054        int ratio;              /* FLL_FRATIO */
1055};
1056
1057/* The size in bits of the fll divide multiplied by 10
1058 * to allow rounding later */
1059#define FIXED_FLL_SIZE ((1 << 16) * 10)
1060
1061static inline int fll_factors(struct _fll_div *fll_div, unsigned int input,
1062                              unsigned int output)
1063{
1064        u64 Kpart;
1065        unsigned int t1, t2, K, Nmod;
1066
1067        if (output >= 2815250 && output <= 3125000)
1068                fll_div->div = 0x4;
1069        else if (output >= 5625000 && output <= 6250000)
1070                fll_div->div = 0x3;
1071        else if (output >= 11250000 && output <= 12500000)
1072                fll_div->div = 0x2;
1073        else if (output >= 22500000 && output <= 25000000)
1074                fll_div->div = 0x1;
1075        else {
1076                printk(KERN_ERR "wm8350: fll freq %d out of range\n", output);
1077                return -EINVAL;
1078        }
1079
1080        if (input > 48000)
1081                fll_div->ratio = 1;
1082        else
1083                fll_div->ratio = 8;
1084
1085        t1 = output * (1 << (fll_div->div + 1));
1086        t2 = input * fll_div->ratio;
1087
1088        fll_div->n = t1 / t2;
1089        Nmod = t1 % t2;
1090
1091        if (Nmod) {
1092                Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1093                do_div(Kpart, t2);
1094                K = Kpart & 0xFFFFFFFF;
1095
1096                /* Check if we need to round */
1097                if ((K % 10) >= 5)
1098                        K += 5;
1099
1100                /* Move down to proper range now rounding is done */
1101                K /= 10;
1102                fll_div->k = K;
1103        } else
1104                fll_div->k = 0;
1105
1106        return 0;
1107}
1108
1109static int wm8350_set_fll(struct snd_soc_dai *codec_dai,
1110                          int pll_id, int source, unsigned int freq_in,
1111                          unsigned int freq_out)
1112{
1113        struct snd_soc_codec *codec = codec_dai->codec;
1114        struct wm8350 *wm8350 = codec->control_data;
1115        struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1116        struct _fll_div fll_div;
1117        int ret = 0;
1118        u16 fll_1, fll_4;
1119
1120        if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out)
1121                return 0;
1122
1123        /* power down FLL - we need to do this for reconfiguration */
1124        wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1125                          WM8350_FLL_ENA | WM8350_FLL_OSC_ENA);
1126
1127        if (freq_out == 0 || freq_in == 0)
1128                return ret;
1129
1130        ret = fll_factors(&fll_div, freq_in, freq_out);
1131        if (ret < 0)
1132                return ret;
1133        dev_dbg(wm8350->dev,
1134                "FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d",
1135                freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div,
1136                fll_div.ratio);
1137
1138        /* set up N.K & dividers */
1139        fll_1 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_1) &
1140            ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000);
1141        wm8350_codec_write(codec, WM8350_FLL_CONTROL_1,
1142                           fll_1 | (fll_div.div << 8) | 0x50);
1143        wm8350_codec_write(codec, WM8350_FLL_CONTROL_2,
1144                           (fll_div.ratio << 11) | (fll_div.
1145                                                    n & WM8350_FLL_N_MASK));
1146        wm8350_codec_write(codec, WM8350_FLL_CONTROL_3, fll_div.k);
1147        fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
1148            ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF);
1149        wm8350_codec_write(codec, WM8350_FLL_CONTROL_4,
1150                           fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) |
1151                           (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0));
1152
1153        /* power FLL on */
1154        wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA);
1155        wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA);
1156
1157        priv->fll_freq_out = freq_out;
1158        priv->fll_freq_in = freq_in;
1159
1160        return 0;
1161}
1162
1163static int wm8350_set_bias_level(struct snd_soc_codec *codec,
1164                                 enum snd_soc_bias_level level)
1165{
1166        struct wm8350 *wm8350 = codec->control_data;
1167        struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1168        struct wm8350_audio_platform_data *platform =
1169                wm8350->codec.platform_data;
1170        u16 pm1;
1171        int ret;
1172
1173        switch (level) {
1174        case SND_SOC_BIAS_ON:
1175                pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1176                    ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1177                wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1178                                 pm1 | WM8350_VMID_50K |
1179                                 platform->codec_current_on << 14);
1180                break;
1181
1182        case SND_SOC_BIAS_PREPARE:
1183                pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1);
1184                pm1 &= ~WM8350_VMID_MASK;
1185                wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1186                                 pm1 | WM8350_VMID_50K);
1187                break;
1188
1189        case SND_SOC_BIAS_STANDBY:
1190                if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1191                        ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
1192                                                    priv->supplies);
1193                        if (ret != 0)
1194                                return ret;
1195
1196                        /* Enable the system clock */
1197                        wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4,
1198                                        WM8350_SYSCLK_ENA);
1199
1200                        /* mute DAC & outputs */
1201                        wm8350_set_bits(wm8350, WM8350_DAC_MUTE,
1202                                        WM8350_DAC_MUTE_ENA);
1203
1204                        /* discharge cap memory */
1205                        wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1206                                         platform->dis_out1 |
1207                                         (platform->dis_out2 << 2) |
1208                                         (platform->dis_out3 << 4) |
1209                                         (platform->dis_out4 << 6));
1210
1211                        /* wait for discharge */
1212                        schedule_timeout_interruptible(msecs_to_jiffies
1213                                                       (platform->
1214                                                        cap_discharge_msecs));
1215
1216                        /* enable antipop */
1217                        wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1218                                         (platform->vmid_s_curve << 8));
1219
1220                        /* ramp up vmid */
1221                        wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1222                                         (platform->
1223                                          codec_current_charge << 14) |
1224                                         WM8350_VMID_5K | WM8350_VMIDEN |
1225                                         WM8350_VBUFEN);
1226
1227                        /* wait for vmid */
1228                        schedule_timeout_interruptible(msecs_to_jiffies
1229                                                       (platform->
1230                                                        vmid_charge_msecs));
1231
1232                        /* turn on vmid 300k  */
1233                        pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1234                            ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1235                        pm1 |= WM8350_VMID_300K |
1236                                (platform->codec_current_standby << 14);
1237                        wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1238                                         pm1);
1239
1240
1241                        /* enable analogue bias */
1242                        pm1 |= WM8350_BIASEN;
1243                        wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1244
1245                        /* disable antipop */
1246                        wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1247
1248                } else {
1249                        /* turn on vmid 300k and reduce current */
1250                        pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1251                            ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1252                        wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1253                                         pm1 | WM8350_VMID_300K |
1254                                         (platform->
1255                                          codec_current_standby << 14));
1256
1257                }
1258                break;
1259
1260        case SND_SOC_BIAS_OFF:
1261
1262                /* mute DAC & enable outputs */
1263                wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1264
1265                wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3,
1266                                WM8350_OUT1L_ENA | WM8350_OUT1R_ENA |
1267                                WM8350_OUT2L_ENA | WM8350_OUT2R_ENA);
1268
1269                /* enable anti pop S curve */
1270                wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1271                                 (platform->vmid_s_curve << 8));
1272
1273                /* turn off vmid  */
1274                pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1275                    ~WM8350_VMIDEN;
1276                wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1277
1278                /* wait */
1279                schedule_timeout_interruptible(msecs_to_jiffies
1280                                               (platform->
1281                                                vmid_discharge_msecs));
1282
1283                wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1284                                 (platform->vmid_s_curve << 8) |
1285                                 platform->dis_out1 |
1286                                 (platform->dis_out2 << 2) |
1287                                 (platform->dis_out3 << 4) |
1288                                 (platform->dis_out4 << 6));
1289
1290                /* turn off VBuf and drain */
1291                pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1292                    ~(WM8350_VBUFEN | WM8350_VMID_MASK);
1293                wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1294                                 pm1 | WM8350_OUTPUT_DRAIN_EN);
1295
1296                /* wait */
1297                schedule_timeout_interruptible(msecs_to_jiffies
1298                                               (platform->drain_msecs));
1299
1300                pm1 &= ~WM8350_BIASEN;
1301                wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1302
1303                /* disable anti-pop */
1304                wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1305
1306                wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME,
1307                                  WM8350_OUT1L_ENA);
1308                wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME,
1309                                  WM8350_OUT1R_ENA);
1310                wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME,
1311                                  WM8350_OUT2L_ENA);
1312                wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME,
1313                                  WM8350_OUT2R_ENA);
1314
1315                /* disable clock gen */
1316                wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1317                                  WM8350_SYSCLK_ENA);
1318
1319                regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
1320                                       priv->supplies);
1321                break;
1322        }
1323        codec->dapm.bias_level = level;
1324        return 0;
1325}
1326
1327static int wm8350_suspend(struct snd_soc_codec *codec, pm_message_t state)
1328{
1329        wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1330        return 0;
1331}
1332
1333static int wm8350_resume(struct snd_soc_codec *codec)
1334{
1335        wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1336
1337        return 0;
1338}
1339
1340static void wm8350_hp_work(struct wm8350_data *priv,
1341                           struct wm8350_jack_data *jack,
1342                           u16 mask)
1343{
1344        struct wm8350 *wm8350 = priv->codec.control_data;
1345        u16 reg;
1346        int report;
1347
1348        reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1349        if (reg & mask)
1350                report = jack->report;
1351        else
1352                report = 0;
1353
1354        snd_soc_jack_report(jack->jack, report, jack->report);
1355
1356}
1357
1358static void wm8350_hpl_work(struct work_struct *work)
1359{
1360        struct wm8350_data *priv =
1361            container_of(work, struct wm8350_data, hpl.work.work);
1362
1363        wm8350_hp_work(priv, &priv->hpl, WM8350_JACK_L_LVL);
1364}
1365
1366static void wm8350_hpr_work(struct work_struct *work)
1367{
1368        struct wm8350_data *priv =
1369            container_of(work, struct wm8350_data, hpr.work.work);
1370        
1371        wm8350_hp_work(priv, &priv->hpr, WM8350_JACK_R_LVL);
1372}
1373
1374static irqreturn_t wm8350_hp_jack_handler(int irq, void *data)
1375{
1376        struct wm8350_data *priv = data;
1377        struct wm8350 *wm8350 = priv->codec.control_data;
1378        struct wm8350_jack_data *jack = NULL;
1379
1380        switch (irq - wm8350->irq_base) {
1381        case WM8350_IRQ_CODEC_JCK_DET_L:
1382#ifndef CONFIG_SND_SOC_WM8350_MODULE
1383                trace_snd_soc_jack_irq("WM8350 HPL");
1384#endif
1385                jack = &priv->hpl;
1386                break;
1387
1388        case WM8350_IRQ_CODEC_JCK_DET_R:
1389#ifndef CONFIG_SND_SOC_WM8350_MODULE
1390                trace_snd_soc_jack_irq("WM8350 HPR");
1391#endif
1392                jack = &priv->hpr;
1393                break;
1394
1395        default:
1396                BUG();
1397        }
1398
1399        if (device_may_wakeup(wm8350->dev))
1400                pm_wakeup_event(wm8350->dev, 250);
1401
1402        schedule_delayed_work(&jack->work, 200);
1403
1404        return IRQ_HANDLED;
1405}
1406
1407/**
1408 * wm8350_hp_jack_detect - Enable headphone jack detection.
1409 *
1410 * @codec:  WM8350 codec
1411 * @which:  left or right jack detect signal
1412 * @jack:   jack to report detection events on
1413 * @report: value to report
1414 *
1415 * Enables the headphone jack detection of the WM8350.  If no report
1416 * is specified then detection is disabled.
1417 */
1418int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
1419                          struct snd_soc_jack *jack, int report)
1420{
1421        struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1422        struct wm8350 *wm8350 = codec->control_data;
1423        int irq;
1424        int ena;
1425
1426        switch (which) {
1427        case WM8350_JDL:
1428                priv->hpl.jack = jack;
1429                priv->hpl.report = report;
1430                irq = WM8350_IRQ_CODEC_JCK_DET_L;
1431                ena = WM8350_JDL_ENA;
1432                break;
1433
1434        case WM8350_JDR:
1435                priv->hpr.jack = jack;
1436                priv->hpr.report = report;
1437                irq = WM8350_IRQ_CODEC_JCK_DET_R;
1438                ena = WM8350_JDR_ENA;
1439                break;
1440
1441        default:
1442                return -EINVAL;
1443        }
1444
1445        if (report) {
1446                wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1447                wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
1448        } else {
1449                wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, ena);
1450        }
1451
1452        /* Sync status */
1453        wm8350_hp_jack_handler(irq + wm8350->irq_base, priv);
1454
1455        return 0;
1456}
1457EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect);
1458
1459static irqreturn_t wm8350_mic_handler(int irq, void *data)
1460{
1461        struct wm8350_data *priv = data;
1462        struct wm8350 *wm8350 = priv->codec.control_data;
1463        u16 reg;
1464        int report = 0;
1465
1466#ifndef CONFIG_SND_SOC_WM8350_MODULE
1467        trace_snd_soc_jack_irq("WM8350 mic");
1468#endif
1469
1470        reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1471        if (reg & WM8350_JACK_MICSCD_LVL)
1472                report |= priv->mic.short_report;
1473        if (reg & WM8350_JACK_MICSD_LVL)
1474                report |= priv->mic.report;
1475
1476        snd_soc_jack_report(priv->mic.jack, report,
1477                            priv->mic.report | priv->mic.short_report);
1478
1479        return IRQ_HANDLED;
1480}
1481
1482/**
1483 * wm8350_mic_jack_detect - Enable microphone jack detection.
1484 *
1485 * @codec:         WM8350 codec
1486 * @jack:          jack to report detection events on
1487 * @detect_report: value to report when presence detected
1488 * @short_report:  value to report when microphone short detected
1489 *
1490 * Enables the microphone jack detection of the WM8350.  If both reports
1491 * are specified as zero then detection is disabled.
1492 */
1493int wm8350_mic_jack_detect(struct snd_soc_codec *codec,
1494                           struct snd_soc_jack *jack,
1495                           int detect_report, int short_report)
1496{
1497        struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1498        struct wm8350 *wm8350 = codec->control_data;
1499
1500        priv->mic.jack = jack;
1501        priv->mic.report = detect_report;
1502        priv->mic.short_report = short_report;
1503
1504        if (detect_report || short_report) {
1505                wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1506                wm8350_set_bits(wm8350, WM8350_POWER_MGMT_1,
1507                                WM8350_MIC_DET_ENA);
1508        } else {
1509                wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_1,
1510                                  WM8350_MIC_DET_ENA);
1511        }
1512
1513        return 0;
1514}
1515EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect);
1516
1517#define WM8350_RATES (SNDRV_PCM_RATE_8000_96000)
1518
1519#define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1520                        SNDRV_PCM_FMTBIT_S20_3LE |\
1521                        SNDRV_PCM_FMTBIT_S24_LE)
1522
1523static struct snd_soc_dai_ops wm8350_dai_ops = {
1524         .hw_params     = wm8350_pcm_hw_params,
1525         .digital_mute  = wm8350_mute,
1526         .trigger       = wm8350_pcm_trigger,
1527         .set_fmt       = wm8350_set_dai_fmt,
1528         .set_sysclk    = wm8350_set_dai_sysclk,
1529         .set_pll       = wm8350_set_fll,
1530         .set_clkdiv    = wm8350_set_clkdiv,
1531};
1532
1533static struct snd_soc_dai_driver wm8350_dai = {
1534        .name = "wm8350-hifi",
1535        .playback = {
1536                .stream_name = "Playback",
1537                .channels_min = 1,
1538                .channels_max = 2,
1539                .rates = WM8350_RATES,
1540                .formats = WM8350_FORMATS,
1541        },
1542        .capture = {
1543                 .stream_name = "Capture",
1544                 .channels_min = 1,
1545                 .channels_max = 2,
1546                 .rates = WM8350_RATES,
1547                 .formats = WM8350_FORMATS,
1548         },
1549        .ops = &wm8350_dai_ops,
1550};
1551
1552static  int wm8350_codec_probe(struct snd_soc_codec *codec)
1553{
1554        struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1555        struct wm8350_data *priv;
1556        struct wm8350_output *out1;
1557        struct wm8350_output *out2;
1558        int ret, i;
1559
1560        if (wm8350->codec.platform_data == NULL) {
1561                dev_err(codec->dev, "No audio platform data supplied\n");
1562                return -EINVAL;
1563        }
1564
1565        priv = kzalloc(sizeof(struct wm8350_data), GFP_KERNEL);
1566        if (priv == NULL)
1567                return -ENOMEM;
1568        snd_soc_codec_set_drvdata(codec, priv);
1569
1570        for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1571                priv->supplies[i].supply = supply_names[i];
1572
1573        ret = regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),
1574                                 priv->supplies);
1575        if (ret != 0)
1576                goto err_priv;
1577
1578        wm8350->codec.codec = codec;
1579        codec->control_data = wm8350;
1580
1581        /* Put the codec into reset if it wasn't already */
1582        wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1583
1584        INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8350_pga_work);
1585        INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work);
1586        INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work);
1587
1588        /* Enable the codec */
1589        wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1590
1591        /* Enable robust clocking mode in ADC */
1592        wm8350_codec_write(codec, WM8350_SECURITY, 0xa7);
1593        wm8350_codec_write(codec, 0xde, 0x13);
1594        wm8350_codec_write(codec, WM8350_SECURITY, 0);
1595
1596        /* read OUT1 & OUT2 volumes */
1597        out1 = &priv->out1;
1598        out2 = &priv->out2;
1599        out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) &
1600                          WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1601        out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) &
1602                           WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1603        out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) &
1604                          WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1605        out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) &
1606                           WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1607        wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0);
1608        wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0);
1609        wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0);
1610        wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0);
1611
1612        /* Latch VU bits & mute */
1613        wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME,
1614                        WM8350_OUT1_VU | WM8350_OUT1L_MUTE);
1615        wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME,
1616                        WM8350_OUT2_VU | WM8350_OUT2L_MUTE);
1617        wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME,
1618                        WM8350_OUT1_VU | WM8350_OUT1R_MUTE);
1619        wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
1620                        WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
1621
1622        /* Make sure AIF tristating is disabled by default */
1623        wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI);
1624
1625        /* Make sure we've got a sane companding setup too */
1626        wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP,
1627                          WM8350_DAC_COMP | WM8350_LOOPBACK);
1628
1629        /* Make sure jack detect is disabled to start off with */
1630        wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1631                          WM8350_JDL_ENA | WM8350_JDR_ENA);
1632
1633        wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
1634                            wm8350_hp_jack_handler, 0, "Left jack detect",
1635                            priv);
1636        wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
1637                            wm8350_hp_jack_handler, 0, "Right jack detect",
1638                            priv);
1639        wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICSCD,
1640                            wm8350_mic_handler, 0, "Microphone short", priv);
1641        wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICD,
1642                            wm8350_mic_handler, 0, "Microphone detect", priv);
1643
1644
1645        snd_soc_add_controls(codec, wm8350_snd_controls,
1646                                ARRAY_SIZE(wm8350_snd_controls));
1647        wm8350_add_widgets(codec);
1648
1649        wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1650
1651        return 0;
1652
1653err_priv:
1654        kfree(priv);
1655        return ret;
1656}
1657
1658static int  wm8350_codec_remove(struct snd_soc_codec *codec)
1659{
1660        struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1661        struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1662
1663        wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1664                          WM8350_JDL_ENA | WM8350_JDR_ENA);
1665        wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1666
1667        wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICD, priv);
1668        wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, priv);
1669        wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv);
1670        wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv);
1671
1672        priv->hpl.jack = NULL;
1673        priv->hpr.jack = NULL;
1674        priv->mic.jack = NULL;
1675
1676        cancel_delayed_work_sync(&priv->hpl.work);
1677        cancel_delayed_work_sync(&priv->hpr.work);
1678
1679        /* if there was any work waiting then we run it now and
1680         * wait for its completion */
1681        flush_delayed_work_sync(&codec->dapm.delayed_work);
1682
1683        wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
1684
1685        wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1686
1687        regulator_bulk_free(ARRAY_SIZE(priv->supplies), priv->supplies);
1688        kfree(priv);
1689        return 0;
1690}
1691
1692static struct snd_soc_codec_driver soc_codec_dev_wm8350 = {
1693        .probe =        wm8350_codec_probe,
1694        .remove =       wm8350_codec_remove,
1695        .suspend =      wm8350_suspend,
1696        .resume =       wm8350_resume,
1697        .read = wm8350_codec_read,
1698        .write = wm8350_codec_write,
1699        .set_bias_level = wm8350_set_bias_level,
1700};
1701
1702static int __devinit wm8350_probe(struct platform_device *pdev)
1703{
1704        return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8350,
1705                        &wm8350_dai, 1);
1706}
1707
1708static int __devexit wm8350_remove(struct platform_device *pdev)
1709{
1710        snd_soc_unregister_codec(&pdev->dev);
1711        return 0;
1712}
1713
1714static struct platform_driver wm8350_codec_driver = {
1715        .driver = {
1716                   .name = "wm8350-codec",
1717                   .owner = THIS_MODULE,
1718                   },
1719        .probe = wm8350_probe,
1720        .remove = __devexit_p(wm8350_remove),
1721};
1722
1723static __init int wm8350_init(void)
1724{
1725        return platform_driver_register(&wm8350_codec_driver);
1726}
1727module_init(wm8350_init);
1728
1729static __exit void wm8350_exit(void)
1730{
1731        platform_driver_unregister(&wm8350_codec_driver);
1732}
1733module_exit(wm8350_exit);
1734
1735MODULE_DESCRIPTION("ASoC WM8350 driver");
1736MODULE_AUTHOR("Liam Girdwood");
1737MODULE_LICENSE("GPL");
1738MODULE_ALIAS("platform:wm8350-codec");
1739