linux/sound/soc/codecs/wm8996.c
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   1/*
   2 * wm8996.c - WM8996 audio codec interface
   3 *
   4 * Copyright 2011-2 Wolfson Microelectronics PLC.
   5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   6 *
   7 *  This program is free software; you can redistribute  it and/or modify it
   8 *  under  the terms of  the GNU General  Public License as published by the
   9 *  Free Software Foundation;  either version 2 of the  License, or (at your
  10 *  option) any later version.
  11 */
  12
  13#include <linux/module.h>
  14#include <linux/moduleparam.h>
  15#include <linux/init.h>
  16#include <linux/completion.h>
  17#include <linux/delay.h>
  18#include <linux/pm.h>
  19#include <linux/gcd.h>
  20#include <linux/gpio/driver.h>
  21#include <linux/gpio.h>
  22#include <linux/i2c.h>
  23#include <linux/regmap.h>
  24#include <linux/regulator/consumer.h>
  25#include <linux/slab.h>
  26#include <linux/workqueue.h>
  27#include <sound/core.h>
  28#include <sound/jack.h>
  29#include <sound/pcm.h>
  30#include <sound/pcm_params.h>
  31#include <sound/soc.h>
  32#include <sound/initval.h>
  33#include <sound/tlv.h>
  34#include <trace/events/asoc.h>
  35
  36#include <sound/wm8996.h>
  37#include "wm8996.h"
  38
  39#define WM8996_AIFS 2
  40
  41#define HPOUT1L 1
  42#define HPOUT1R 2
  43#define HPOUT2L 4
  44#define HPOUT2R 8
  45
  46#define WM8996_NUM_SUPPLIES 3
  47static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
  48        "DBVDD",
  49        "AVDD1",
  50        "AVDD2",
  51};
  52
  53struct wm8996_priv {
  54        struct device *dev;
  55        struct regmap *regmap;
  56        struct snd_soc_codec *codec;
  57
  58        int ldo1ena;
  59
  60        int sysclk;
  61        int sysclk_src;
  62
  63        int fll_src;
  64        int fll_fref;
  65        int fll_fout;
  66
  67        struct completion fll_lock;
  68
  69        u16 dcs_pending;
  70        struct completion dcs_done;
  71
  72        u16 hpout_ena;
  73        u16 hpout_pending;
  74
  75        struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
  76        struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
  77        int bg_ena;
  78
  79        struct wm8996_pdata pdata;
  80
  81        int rx_rate[WM8996_AIFS];
  82        int bclk_rate[WM8996_AIFS];
  83
  84        /* Platform dependant ReTune mobile configuration */
  85        int num_retune_mobile_texts;
  86        const char **retune_mobile_texts;
  87        int retune_mobile_cfg[2];
  88        struct soc_enum retune_mobile_enum;
  89
  90        struct snd_soc_jack *jack;
  91        bool detecting;
  92        bool jack_mic;
  93        int jack_flips;
  94        wm8996_polarity_fn polarity_cb;
  95
  96#ifdef CONFIG_GPIOLIB
  97        struct gpio_chip gpio_chip;
  98#endif
  99};
 100
 101/* We can't use the same notifier block for more than one supply and
 102 * there's no way I can see to get from a callback to the caller
 103 * except container_of().
 104 */
 105#define WM8996_REGULATOR_EVENT(n) \
 106static int wm8996_regulator_event_##n(struct notifier_block *nb, \
 107                                    unsigned long event, void *data)    \
 108{ \
 109        struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
 110                                                  disable_nb[n]); \
 111        if (event & REGULATOR_EVENT_DISABLE) { \
 112                regcache_mark_dirty(wm8996->regmap);    \
 113        } \
 114        return 0; \
 115}
 116
 117WM8996_REGULATOR_EVENT(0)
 118WM8996_REGULATOR_EVENT(1)
 119WM8996_REGULATOR_EVENT(2)
 120
 121static const struct reg_default wm8996_reg[] = {
 122        { WM8996_POWER_MANAGEMENT_1, 0x0 },
 123        { WM8996_POWER_MANAGEMENT_2, 0x0 },
 124        { WM8996_POWER_MANAGEMENT_3, 0x0 },
 125        { WM8996_POWER_MANAGEMENT_4, 0x0 },
 126        { WM8996_POWER_MANAGEMENT_5, 0x0 },
 127        { WM8996_POWER_MANAGEMENT_6, 0x0 },
 128        { WM8996_POWER_MANAGEMENT_7, 0x10 },
 129        { WM8996_POWER_MANAGEMENT_8, 0x0 },
 130        { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
 131        { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
 132        { WM8996_LINE_INPUT_CONTROL, 0x0 },
 133        { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
 134        { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
 135        { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
 136        { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
 137        { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
 138        { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
 139        { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
 140        { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
 141        { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
 142        { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
 143        { WM8996_MICBIAS_1, 0x39 },
 144        { WM8996_MICBIAS_2, 0x39 },
 145        { WM8996_LDO_1, 0x3 },
 146        { WM8996_LDO_2, 0x13 },
 147        { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
 148        { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
 149        { WM8996_HEADPHONE_DETECT_1, 0x20 },
 150        { WM8996_HEADPHONE_DETECT_2, 0x0 },
 151        { WM8996_MIC_DETECT_1, 0x7600 },
 152        { WM8996_MIC_DETECT_2, 0xbf },
 153        { WM8996_CHARGE_PUMP_1, 0x1f25 },
 154        { WM8996_CHARGE_PUMP_2, 0xab19 },
 155        { WM8996_DC_SERVO_1, 0x0 },
 156        { WM8996_DC_SERVO_3, 0x0 },
 157        { WM8996_DC_SERVO_5, 0x2a2a },
 158        { WM8996_DC_SERVO_6, 0x0 },
 159        { WM8996_DC_SERVO_7, 0x0 },
 160        { WM8996_ANALOGUE_HP_1, 0x0 },
 161        { WM8996_ANALOGUE_HP_2, 0x0 },
 162        { WM8996_CONTROL_INTERFACE_1, 0x8004 },
 163        { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
 164        { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
 165        { WM8996_AIF_CLOCKING_1, 0x0 },
 166        { WM8996_AIF_CLOCKING_2, 0x0 },
 167        { WM8996_CLOCKING_1, 0x10 },
 168        { WM8996_CLOCKING_2, 0x0 },
 169        { WM8996_AIF_RATE, 0x83 },
 170        { WM8996_FLL_CONTROL_1, 0x0 },
 171        { WM8996_FLL_CONTROL_2, 0x0 },
 172        { WM8996_FLL_CONTROL_3, 0x0 },
 173        { WM8996_FLL_CONTROL_4, 0x5dc0 },
 174        { WM8996_FLL_CONTROL_5, 0xc84 },
 175        { WM8996_FLL_EFS_1, 0x0 },
 176        { WM8996_FLL_EFS_2, 0x2 },
 177        { WM8996_AIF1_CONTROL, 0x0 },
 178        { WM8996_AIF1_BCLK, 0x0 },
 179        { WM8996_AIF1_TX_LRCLK_1, 0x80 },
 180        { WM8996_AIF1_TX_LRCLK_2, 0x8 },
 181        { WM8996_AIF1_RX_LRCLK_1, 0x80 },
 182        { WM8996_AIF1_RX_LRCLK_2, 0x0 },
 183        { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
 184        { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
 185        { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
 186        { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
 187        { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
 188        { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
 189        { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
 190        { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
 191        { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
 192        { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
 193        { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
 194        { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
 195        { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
 196        { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
 197        { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
 198        { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
 199        { WM8996_AIF1TX_TEST, 0x7 },
 200        { WM8996_AIF2_CONTROL, 0x0 },
 201        { WM8996_AIF2_BCLK, 0x0 },
 202        { WM8996_AIF2_TX_LRCLK_1, 0x80 },
 203        { WM8996_AIF2_TX_LRCLK_2, 0x8 },
 204        { WM8996_AIF2_RX_LRCLK_1, 0x80 },
 205        { WM8996_AIF2_RX_LRCLK_2, 0x0 },
 206        { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
 207        { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
 208        { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
 209        { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
 210        { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
 211        { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
 212        { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
 213        { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
 214        { WM8996_AIF2TX_TEST, 0x1 },
 215        { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
 216        { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
 217        { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
 218        { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
 219        { WM8996_DSP1_TX_FILTERS, 0x2000 },
 220        { WM8996_DSP1_RX_FILTERS_1, 0x200 },
 221        { WM8996_DSP1_RX_FILTERS_2, 0x10 },
 222        { WM8996_DSP1_DRC_1, 0x98 },
 223        { WM8996_DSP1_DRC_2, 0x845 },
 224        { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
 225        { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
 226        { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
 227        { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
 228        { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
 229        { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
 230        { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
 231        { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
 232        { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
 233        { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
 234        { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
 235        { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
 236        { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
 237        { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
 238        { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
 239        { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
 240        { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
 241        { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
 242        { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
 243        { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
 244        { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
 245        { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
 246        { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
 247        { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
 248        { WM8996_DSP2_TX_FILTERS, 0x2000 },
 249        { WM8996_DSP2_RX_FILTERS_1, 0x200 },
 250        { WM8996_DSP2_RX_FILTERS_2, 0x10 },
 251        { WM8996_DSP2_DRC_1, 0x98 },
 252        { WM8996_DSP2_DRC_2, 0x845 },
 253        { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
 254        { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
 255        { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
 256        { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
 257        { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
 258        { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
 259        { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
 260        { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
 261        { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
 262        { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
 263        { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
 264        { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
 265        { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
 266        { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
 267        { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
 268        { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
 269        { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
 270        { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
 271        { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
 272        { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
 273        { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
 274        { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
 275        { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
 276        { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
 277        { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
 278        { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
 279        { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
 280        { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
 281        { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
 282        { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
 283        { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
 284        { WM8996_DAC_SOFTMUTE, 0x0 },
 285        { WM8996_OVERSAMPLING, 0xd },
 286        { WM8996_SIDETONE, 0x1040 },
 287        { WM8996_GPIO_1, 0xa101 },
 288        { WM8996_GPIO_2, 0xa101 },
 289        { WM8996_GPIO_3, 0xa101 },
 290        { WM8996_GPIO_4, 0xa101 },
 291        { WM8996_GPIO_5, 0xa101 },
 292        { WM8996_PULL_CONTROL_1, 0x0 },
 293        { WM8996_PULL_CONTROL_2, 0x140 },
 294        { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
 295        { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
 296        { WM8996_LEFT_PDM_SPEAKER, 0x0 },
 297        { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
 298        { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
 299        { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
 300};
 301
 302static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
 303static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
 304static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
 305static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
 306static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
 307static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
 308static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
 309static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
 310
 311static const char *sidetone_hpf_text[] = {
 312        "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
 313};
 314
 315static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
 316                            WM8996_SIDETONE, 7, sidetone_hpf_text);
 317
 318static const char *hpf_mode_text[] = {
 319        "HiFi", "Custom", "Voice"
 320};
 321
 322static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
 323                            WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
 324
 325static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
 326                            WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
 327
 328static const char *hpf_cutoff_text[] = {
 329        "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 330};
 331
 332static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
 333                            WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
 334
 335static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
 336                            WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
 337
 338static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
 339{
 340        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 341        struct wm8996_pdata *pdata = &wm8996->pdata;
 342        int base, best, best_val, save, i, cfg, iface;
 343
 344        if (!wm8996->num_retune_mobile_texts)
 345                return;
 346
 347        switch (block) {
 348        case 0:
 349                base = WM8996_DSP1_RX_EQ_GAINS_1;
 350                if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
 351                    WM8996_DSP1RX_SRC)
 352                        iface = 1;
 353                else
 354                        iface = 0;
 355                break;
 356        case 1:
 357                base = WM8996_DSP1_RX_EQ_GAINS_2;
 358                if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
 359                    WM8996_DSP2RX_SRC)
 360                        iface = 1;
 361                else
 362                        iface = 0;
 363                break;
 364        default:
 365                return;
 366        }
 367
 368        /* Find the version of the currently selected configuration
 369         * with the nearest sample rate. */
 370        cfg = wm8996->retune_mobile_cfg[block];
 371        best = 0;
 372        best_val = INT_MAX;
 373        for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
 374                if (strcmp(pdata->retune_mobile_cfgs[i].name,
 375                           wm8996->retune_mobile_texts[cfg]) == 0 &&
 376                    abs(pdata->retune_mobile_cfgs[i].rate
 377                        - wm8996->rx_rate[iface]) < best_val) {
 378                        best = i;
 379                        best_val = abs(pdata->retune_mobile_cfgs[i].rate
 380                                       - wm8996->rx_rate[iface]);
 381                }
 382        }
 383
 384        dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
 385                block,
 386                pdata->retune_mobile_cfgs[best].name,
 387                pdata->retune_mobile_cfgs[best].rate,
 388                wm8996->rx_rate[iface]);
 389
 390        /* The EQ will be disabled while reconfiguring it, remember the
 391         * current configuration. 
 392         */
 393        save = snd_soc_read(codec, base);
 394        save &= WM8996_DSP1RX_EQ_ENA;
 395
 396        for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
 397                snd_soc_update_bits(codec, base + i, 0xffff,
 398                                    pdata->retune_mobile_cfgs[best].regs[i]);
 399
 400        snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
 401}
 402
 403/* Icky as hell but saves code duplication */
 404static int wm8996_get_retune_mobile_block(const char *name)
 405{
 406        if (strcmp(name, "DSP1 EQ Mode") == 0)
 407                return 0;
 408        if (strcmp(name, "DSP2 EQ Mode") == 0)
 409                return 1;
 410        return -EINVAL;
 411}
 412
 413static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 414                                         struct snd_ctl_elem_value *ucontrol)
 415{
 416        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 417        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 418        struct wm8996_pdata *pdata = &wm8996->pdata;
 419        int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 420        int value = ucontrol->value.enumerated.item[0];
 421
 422        if (block < 0)
 423                return block;
 424
 425        if (value >= pdata->num_retune_mobile_cfgs)
 426                return -EINVAL;
 427
 428        wm8996->retune_mobile_cfg[block] = value;
 429
 430        wm8996_set_retune_mobile(codec, block);
 431
 432        return 0;
 433}
 434
 435static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 436                                         struct snd_ctl_elem_value *ucontrol)
 437{
 438        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 439        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 440        int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 441
 442        if (block < 0)
 443                return block;
 444        ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
 445
 446        return 0;
 447}
 448
 449static const struct snd_kcontrol_new wm8996_snd_controls[] = {
 450SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
 451                 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
 452SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
 453             WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
 454
 455SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
 456               0, 5, 24, 0, sidetone_tlv),
 457SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
 458               0, 5, 24, 0, sidetone_tlv),
 459SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
 460SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
 461SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
 462
 463SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
 464                 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
 465SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
 466                 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
 467
 468SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
 469           13, 1, 0),
 470SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
 471SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
 472SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
 473
 474SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
 475           13, 1, 0),
 476SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
 477SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
 478SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
 479
 480SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
 481                 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 482SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
 483
 484SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
 485                 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 486SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
 487
 488SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
 489                 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 490SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
 491             WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
 492
 493SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
 494                 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 495SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
 496             WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
 497
 498SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
 499SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
 500SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
 501SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
 502
 503SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
 504SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
 505
 506SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
 507SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
 508
 509SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
 510                0, threedstereo_tlv),
 511SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
 512                0, threedstereo_tlv),
 513
 514SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
 515               8, 0, out_digital_tlv),
 516SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
 517               8, 0, out_digital_tlv),
 518
 519SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
 520                 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
 521SOC_DOUBLE_R("Output 1 ZC Switch",  WM8996_OUTPUT1_LEFT_VOLUME,
 522             WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
 523
 524SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
 525                 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
 526SOC_DOUBLE_R("Output 2 ZC Switch",  WM8996_OUTPUT2_LEFT_VOLUME,
 527             WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
 528
 529SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
 530               spk_tlv),
 531SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
 532             WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
 533SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
 534             WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
 535
 536SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
 537SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
 538
 539SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
 540SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
 541SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
 542SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
 543                   WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
 544                   WM8996_DSP1TXR_DRC_ENA),
 545
 546SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
 547SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
 548SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
 549SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
 550                   WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
 551                   WM8996_DSP2TXR_DRC_ENA),
 552};
 553
 554static const struct snd_kcontrol_new wm8996_eq_controls[] = {
 555SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
 556               eq_tlv),
 557SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
 558               eq_tlv),
 559SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
 560               eq_tlv),
 561SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
 562               eq_tlv),
 563SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
 564               eq_tlv),
 565
 566SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
 567               eq_tlv),
 568SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
 569               eq_tlv),
 570SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
 571               eq_tlv),
 572SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
 573               eq_tlv),
 574SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
 575               eq_tlv),
 576};
 577
 578static void wm8996_bg_enable(struct snd_soc_codec *codec)
 579{
 580        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 581
 582        wm8996->bg_ena++;
 583        if (wm8996->bg_ena == 1) {
 584                snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
 585                                    WM8996_BG_ENA, WM8996_BG_ENA);
 586                msleep(2);
 587        }
 588}
 589
 590static void wm8996_bg_disable(struct snd_soc_codec *codec)
 591{
 592        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 593
 594        wm8996->bg_ena--;
 595        if (!wm8996->bg_ena)
 596                snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
 597                                    WM8996_BG_ENA, 0);
 598}
 599
 600static int bg_event(struct snd_soc_dapm_widget *w,
 601                    struct snd_kcontrol *kcontrol, int event)
 602{
 603        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 604        int ret = 0;
 605
 606        switch (event) {
 607        case SND_SOC_DAPM_PRE_PMU:
 608                wm8996_bg_enable(codec);
 609                break;
 610        case SND_SOC_DAPM_POST_PMD:
 611                wm8996_bg_disable(codec);
 612                break;
 613        default:
 614                WARN(1, "Invalid event %d\n", event);
 615                ret = -EINVAL;
 616        }
 617
 618        return ret;
 619}
 620
 621static int cp_event(struct snd_soc_dapm_widget *w,
 622                    struct snd_kcontrol *kcontrol, int event)
 623{
 624        switch (event) {
 625        case SND_SOC_DAPM_POST_PMU:
 626                msleep(5);
 627                break;
 628        default:
 629                WARN(1, "Invalid event %d\n", event);
 630        }
 631
 632        return 0;
 633}
 634
 635static int rmv_short_event(struct snd_soc_dapm_widget *w,
 636                           struct snd_kcontrol *kcontrol, int event)
 637{
 638        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 639        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 640
 641        /* Record which outputs we enabled */
 642        switch (event) {
 643        case SND_SOC_DAPM_PRE_PMD:
 644                wm8996->hpout_pending &= ~w->shift;
 645                break;
 646        case SND_SOC_DAPM_PRE_PMU:
 647                wm8996->hpout_pending |= w->shift;
 648                break;
 649        default:
 650                WARN(1, "Invalid event %d\n", event);
 651                return -EINVAL;
 652        }
 653
 654        return 0;
 655}
 656
 657static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
 658{
 659        struct i2c_client *i2c = to_i2c_client(codec->dev);
 660        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 661        int ret;
 662        unsigned long timeout = 200;
 663
 664        snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
 665
 666        /* Use the interrupt if possible */
 667        do {
 668                if (i2c->irq) {
 669                        timeout = wait_for_completion_timeout(&wm8996->dcs_done,
 670                                                              msecs_to_jiffies(200));
 671                        if (timeout == 0)
 672                                dev_err(codec->dev, "DC servo timed out\n");
 673
 674                } else {
 675                        msleep(1);
 676                        timeout--;
 677                }
 678
 679                ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
 680                dev_dbg(codec->dev, "DC servo state: %x\n", ret);
 681        } while (timeout && ret & mask);
 682
 683        if (timeout == 0)
 684                dev_err(codec->dev, "DC servo timed out for %x\n", mask);
 685        else
 686                dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
 687}
 688
 689static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
 690                                enum snd_soc_dapm_type event, int subseq)
 691{
 692        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
 693        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 694        u16 val, mask;
 695
 696        /* Complete any pending DC servo starts */
 697        if (wm8996->dcs_pending) {
 698                dev_dbg(codec->dev, "Starting DC servo for %x\n",
 699                        wm8996->dcs_pending);
 700
 701                /* Trigger a startup sequence */
 702                wait_for_dc_servo(codec, wm8996->dcs_pending
 703                                         << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
 704
 705                wm8996->dcs_pending = 0;
 706        }
 707
 708        if (wm8996->hpout_pending != wm8996->hpout_ena) {
 709                dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
 710                        wm8996->hpout_ena, wm8996->hpout_pending);
 711
 712                val = 0;
 713                mask = 0;
 714                if (wm8996->hpout_pending & HPOUT1L) {
 715                        val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
 716                        mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
 717                } else {
 718                        mask |= WM8996_HPOUT1L_RMV_SHORT |
 719                                WM8996_HPOUT1L_OUTP |
 720                                WM8996_HPOUT1L_DLY;
 721                }
 722
 723                if (wm8996->hpout_pending & HPOUT1R) {
 724                        val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
 725                        mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
 726                } else {
 727                        mask |= WM8996_HPOUT1R_RMV_SHORT |
 728                                WM8996_HPOUT1R_OUTP |
 729                                WM8996_HPOUT1R_DLY;
 730                }
 731
 732                snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
 733
 734                val = 0;
 735                mask = 0;
 736                if (wm8996->hpout_pending & HPOUT2L) {
 737                        val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
 738                        mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
 739                } else {
 740                        mask |= WM8996_HPOUT2L_RMV_SHORT |
 741                                WM8996_HPOUT2L_OUTP |
 742                                WM8996_HPOUT2L_DLY;
 743                }
 744
 745                if (wm8996->hpout_pending & HPOUT2R) {
 746                        val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
 747                        mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
 748                } else {
 749                        mask |= WM8996_HPOUT2R_RMV_SHORT |
 750                                WM8996_HPOUT2R_OUTP |
 751                                WM8996_HPOUT2R_DLY;
 752                }
 753
 754                snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
 755
 756                wm8996->hpout_ena = wm8996->hpout_pending;
 757        }
 758}
 759
 760static int dcs_start(struct snd_soc_dapm_widget *w,
 761                     struct snd_kcontrol *kcontrol, int event)
 762{
 763        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 764        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 765
 766        switch (event) {
 767        case SND_SOC_DAPM_POST_PMU:
 768                wm8996->dcs_pending |= 1 << w->shift;
 769                break;
 770        default:
 771                WARN(1, "Invalid event %d\n", event);
 772                return -EINVAL;
 773        }
 774
 775        return 0;
 776}
 777
 778static const char *sidetone_text[] = {
 779        "IN1", "IN2",
 780};
 781
 782static SOC_ENUM_SINGLE_DECL(left_sidetone_enum,
 783                            WM8996_SIDETONE, 0, sidetone_text);
 784
 785static const struct snd_kcontrol_new left_sidetone =
 786        SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
 787
 788static SOC_ENUM_SINGLE_DECL(right_sidetone_enum,
 789                            WM8996_SIDETONE, 1, sidetone_text);
 790
 791static const struct snd_kcontrol_new right_sidetone =
 792        SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
 793
 794static const char *spk_text[] = {
 795        "DAC1L", "DAC1R", "DAC2L", "DAC2R"
 796};
 797
 798static SOC_ENUM_SINGLE_DECL(spkl_enum,
 799                            WM8996_LEFT_PDM_SPEAKER, 0, spk_text);
 800
 801static const struct snd_kcontrol_new spkl_mux =
 802        SOC_DAPM_ENUM("SPKL", spkl_enum);
 803
 804static SOC_ENUM_SINGLE_DECL(spkr_enum,
 805                            WM8996_RIGHT_PDM_SPEAKER, 0, spk_text);
 806
 807static const struct snd_kcontrol_new spkr_mux =
 808        SOC_DAPM_ENUM("SPKR", spkr_enum);
 809
 810static const char *dsp1rx_text[] = {
 811        "AIF1", "AIF2"
 812};
 813
 814static SOC_ENUM_SINGLE_DECL(dsp1rx_enum,
 815                            WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text);
 816
 817static const struct snd_kcontrol_new dsp1rx =
 818        SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
 819
 820static const char *dsp2rx_text[] = {
 821         "AIF2", "AIF1"
 822};
 823
 824static SOC_ENUM_SINGLE_DECL(dsp2rx_enum,
 825                            WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text);
 826
 827static const struct snd_kcontrol_new dsp2rx =
 828        SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
 829
 830static const char *aif2tx_text[] = {
 831        "DSP2", "DSP1", "AIF1"
 832};
 833
 834static SOC_ENUM_SINGLE_DECL(aif2tx_enum,
 835                            WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text);
 836
 837static const struct snd_kcontrol_new aif2tx =
 838        SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
 839
 840static const char *inmux_text[] = {
 841        "ADC", "DMIC1", "DMIC2"
 842};
 843
 844static SOC_ENUM_SINGLE_DECL(in1_enum,
 845                            WM8996_POWER_MANAGEMENT_7, 0, inmux_text);
 846
 847static const struct snd_kcontrol_new in1_mux =
 848        SOC_DAPM_ENUM("IN1 Mux", in1_enum);
 849
 850static SOC_ENUM_SINGLE_DECL(in2_enum,
 851                            WM8996_POWER_MANAGEMENT_7, 4, inmux_text);
 852
 853static const struct snd_kcontrol_new in2_mux =
 854        SOC_DAPM_ENUM("IN2 Mux", in2_enum);
 855
 856static const struct snd_kcontrol_new dac2r_mix[] = {
 857SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
 858                5, 1, 0),
 859SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
 860                4, 1, 0),
 861SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
 862SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
 863};
 864
 865static const struct snd_kcontrol_new dac2l_mix[] = {
 866SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
 867                5, 1, 0),
 868SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
 869                4, 1, 0),
 870SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
 871SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
 872};
 873
 874static const struct snd_kcontrol_new dac1r_mix[] = {
 875SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
 876                5, 1, 0),
 877SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
 878                4, 1, 0),
 879SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
 880SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
 881};
 882
 883static const struct snd_kcontrol_new dac1l_mix[] = {
 884SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
 885                5, 1, 0),
 886SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
 887                4, 1, 0),
 888SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
 889SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
 890};
 891
 892static const struct snd_kcontrol_new dsp1txl[] = {
 893SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
 894                1, 1, 0),
 895SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
 896                0, 1, 0),
 897};
 898
 899static const struct snd_kcontrol_new dsp1txr[] = {
 900SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
 901                1, 1, 0),
 902SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
 903                0, 1, 0),
 904};
 905
 906static const struct snd_kcontrol_new dsp2txl[] = {
 907SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
 908                1, 1, 0),
 909SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
 910                0, 1, 0),
 911};
 912
 913static const struct snd_kcontrol_new dsp2txr[] = {
 914SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
 915                1, 1, 0),
 916SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
 917                0, 1, 0),
 918};
 919
 920
 921static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
 922SND_SOC_DAPM_INPUT("IN1LN"),
 923SND_SOC_DAPM_INPUT("IN1LP"),
 924SND_SOC_DAPM_INPUT("IN1RN"),
 925SND_SOC_DAPM_INPUT("IN1RP"),
 926
 927SND_SOC_DAPM_INPUT("IN2LN"),
 928SND_SOC_DAPM_INPUT("IN2LP"),
 929SND_SOC_DAPM_INPUT("IN2RN"),
 930SND_SOC_DAPM_INPUT("IN2RP"),
 931
 932SND_SOC_DAPM_INPUT("DMIC1DAT"),
 933SND_SOC_DAPM_INPUT("DMIC2DAT"),
 934
 935SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
 936SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
 937SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
 938SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
 939SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
 940                      SND_SOC_DAPM_POST_PMU),
 941SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
 942                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 943SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
 944SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
 945SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
 946SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
 947SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
 948
 949SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
 950SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
 951
 952SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
 953SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
 954SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
 955SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
 956
 957SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
 958SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
 959
 960SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
 961SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
 962SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
 963SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
 964
 965SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
 966SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
 967
 968SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
 969SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
 970
 971SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
 972SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
 973SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
 974SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
 975
 976SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
 977                   dsp2txl, ARRAY_SIZE(dsp2txl)),
 978SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
 979                   dsp2txr, ARRAY_SIZE(dsp2txr)),
 980SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
 981                   dsp1txl, ARRAY_SIZE(dsp1txl)),
 982SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
 983                   dsp1txr, ARRAY_SIZE(dsp1txr)),
 984
 985SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
 986                   dac2l_mix, ARRAY_SIZE(dac2l_mix)),
 987SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
 988                   dac2r_mix, ARRAY_SIZE(dac2r_mix)),
 989SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
 990                   dac1l_mix, ARRAY_SIZE(dac1l_mix)),
 991SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
 992                   dac1r_mix, ARRAY_SIZE(dac1r_mix)),
 993
 994SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
 995SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
 996SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
 997SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
 998
 999SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
1000SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
1001
1002SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
1003SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
1004
1005SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
1006SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
1007SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
1008SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
1009SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
1010SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
1011
1012SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
1013SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
1014SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
1015SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
1016SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
1017SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
1018
1019/* We route as stereo pairs so define some dummy widgets to squash
1020 * things down for now.  RXA = 0,1, RXB = 2,3 and so on */
1021SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1022SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1023SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1024SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1025SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1026
1027SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1028SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1029SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1030
1031SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1032SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1033SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1034SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1035
1036SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1037SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1038SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1039                   SND_SOC_DAPM_POST_PMU),
1040SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1041                   rmv_short_event,
1042                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1043
1044SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1045SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1046SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1047                   SND_SOC_DAPM_POST_PMU),
1048SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1049                   rmv_short_event,
1050                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1051
1052SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1053SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1054SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1055                   SND_SOC_DAPM_POST_PMU),
1056SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1057                   rmv_short_event,
1058                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1059
1060SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1061SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1062SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1063                   SND_SOC_DAPM_POST_PMU),
1064SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1065                   rmv_short_event,
1066                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1067
1068SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1069SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1070SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1071SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1072SND_SOC_DAPM_OUTPUT("SPKDAT"),
1073};
1074
1075static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1076        { "AIFCLK", NULL, "SYSCLK" },
1077        { "SYSDSPCLK", NULL, "SYSCLK" },
1078        { "Charge Pump", NULL, "SYSCLK" },
1079        { "Charge Pump", NULL, "CPVDD" },
1080
1081        { "MICB1", NULL, "LDO2" },
1082        { "MICB1", NULL, "MICB1 Audio" },
1083        { "MICB1", NULL, "Bandgap" },
1084        { "MICB2", NULL, "LDO2" },
1085        { "MICB2", NULL, "MICB2 Audio" },
1086        { "MICB2", NULL, "Bandgap" },
1087
1088        { "AIF1RX0", NULL, "AIF1 Playback" },
1089        { "AIF1RX1", NULL, "AIF1 Playback" },
1090        { "AIF1RX2", NULL, "AIF1 Playback" },
1091        { "AIF1RX3", NULL, "AIF1 Playback" },
1092        { "AIF1RX4", NULL, "AIF1 Playback" },
1093        { "AIF1RX5", NULL, "AIF1 Playback" },
1094
1095        { "AIF2RX0", NULL, "AIF2 Playback" },
1096        { "AIF2RX1", NULL, "AIF2 Playback" },
1097
1098        { "AIF1 Capture", NULL, "AIF1TX0" },
1099        { "AIF1 Capture", NULL, "AIF1TX1" },
1100        { "AIF1 Capture", NULL, "AIF1TX2" },
1101        { "AIF1 Capture", NULL, "AIF1TX3" },
1102        { "AIF1 Capture", NULL, "AIF1TX4" },
1103        { "AIF1 Capture", NULL, "AIF1TX5" },
1104
1105        { "AIF2 Capture", NULL, "AIF2TX0" },
1106        { "AIF2 Capture", NULL, "AIF2TX1" },
1107
1108        { "IN1L PGA", NULL, "IN2LN" },
1109        { "IN1L PGA", NULL, "IN2LP" },
1110        { "IN1L PGA", NULL, "IN1LN" },
1111        { "IN1L PGA", NULL, "IN1LP" },
1112        { "IN1L PGA", NULL, "Bandgap" },
1113
1114        { "IN1R PGA", NULL, "IN2RN" },
1115        { "IN1R PGA", NULL, "IN2RP" },
1116        { "IN1R PGA", NULL, "IN1RN" },
1117        { "IN1R PGA", NULL, "IN1RP" },
1118        { "IN1R PGA", NULL, "Bandgap" },
1119
1120        { "ADCL", NULL, "IN1L PGA" },
1121
1122        { "ADCR", NULL, "IN1R PGA" },
1123
1124        { "DMIC1L", NULL, "DMIC1DAT" },
1125        { "DMIC1R", NULL, "DMIC1DAT" },
1126        { "DMIC2L", NULL, "DMIC2DAT" },
1127        { "DMIC2R", NULL, "DMIC2DAT" },
1128
1129        { "DMIC2L", NULL, "DMIC2" },
1130        { "DMIC2R", NULL, "DMIC2" },
1131        { "DMIC1L", NULL, "DMIC1" },
1132        { "DMIC1R", NULL, "DMIC1" },
1133
1134        { "IN1L Mux", "ADC", "ADCL" },
1135        { "IN1L Mux", "DMIC1", "DMIC1L" },
1136        { "IN1L Mux", "DMIC2", "DMIC2L" },
1137
1138        { "IN1R Mux", "ADC", "ADCR" },
1139        { "IN1R Mux", "DMIC1", "DMIC1R" },
1140        { "IN1R Mux", "DMIC2", "DMIC2R" },
1141
1142        { "IN2L Mux", "ADC", "ADCL" },
1143        { "IN2L Mux", "DMIC1", "DMIC1L" },
1144        { "IN2L Mux", "DMIC2", "DMIC2L" },
1145
1146        { "IN2R Mux", "ADC", "ADCR" },
1147        { "IN2R Mux", "DMIC1", "DMIC1R" },
1148        { "IN2R Mux", "DMIC2", "DMIC2R" },
1149
1150        { "Left Sidetone", "IN1", "IN1L Mux" },
1151        { "Left Sidetone", "IN2", "IN2L Mux" },
1152
1153        { "Right Sidetone", "IN1", "IN1R Mux" },
1154        { "Right Sidetone", "IN2", "IN2R Mux" },
1155
1156        { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1157        { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1158
1159        { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1160        { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1161
1162        { "AIF1TX0", NULL, "DSP1TXL" },
1163        { "AIF1TX1", NULL, "DSP1TXR" },
1164        { "AIF1TX2", NULL, "DSP2TXL" },
1165        { "AIF1TX3", NULL, "DSP2TXR" },
1166        { "AIF1TX4", NULL, "AIF2RX0" },
1167        { "AIF1TX5", NULL, "AIF2RX1" },
1168
1169        { "AIF1RX0", NULL, "AIFCLK" },
1170        { "AIF1RX1", NULL, "AIFCLK" },
1171        { "AIF1RX2", NULL, "AIFCLK" },
1172        { "AIF1RX3", NULL, "AIFCLK" },
1173        { "AIF1RX4", NULL, "AIFCLK" },
1174        { "AIF1RX5", NULL, "AIFCLK" },
1175
1176        { "AIF2RX0", NULL, "AIFCLK" },
1177        { "AIF2RX1", NULL, "AIFCLK" },
1178
1179        { "AIF1TX0", NULL, "AIFCLK" },
1180        { "AIF1TX1", NULL, "AIFCLK" },
1181        { "AIF1TX2", NULL, "AIFCLK" },
1182        { "AIF1TX3", NULL, "AIFCLK" },
1183        { "AIF1TX4", NULL, "AIFCLK" },
1184        { "AIF1TX5", NULL, "AIFCLK" },
1185
1186        { "AIF2TX0", NULL, "AIFCLK" },
1187        { "AIF2TX1", NULL, "AIFCLK" },
1188
1189        { "DSP1RXL", NULL, "SYSDSPCLK" },
1190        { "DSP1RXR", NULL, "SYSDSPCLK" },
1191        { "DSP2RXL", NULL, "SYSDSPCLK" },
1192        { "DSP2RXR", NULL, "SYSDSPCLK" },
1193        { "DSP1TXL", NULL, "SYSDSPCLK" },
1194        { "DSP1TXR", NULL, "SYSDSPCLK" },
1195        { "DSP2TXL", NULL, "SYSDSPCLK" },
1196        { "DSP2TXR", NULL, "SYSDSPCLK" },
1197
1198        { "AIF1RXA", NULL, "AIF1RX0" },
1199        { "AIF1RXA", NULL, "AIF1RX1" },
1200        { "AIF1RXB", NULL, "AIF1RX2" },
1201        { "AIF1RXB", NULL, "AIF1RX3" },
1202        { "AIF1RXC", NULL, "AIF1RX4" },
1203        { "AIF1RXC", NULL, "AIF1RX5" },
1204
1205        { "AIF2RX", NULL, "AIF2RX0" },
1206        { "AIF2RX", NULL, "AIF2RX1" },
1207
1208        { "AIF2TX", "DSP2", "DSP2TX" },
1209        { "AIF2TX", "DSP1", "DSP1RX" },
1210        { "AIF2TX", "AIF1", "AIF1RXC" },
1211
1212        { "DSP1RXL", NULL, "DSP1RX" },
1213        { "DSP1RXR", NULL, "DSP1RX" },
1214        { "DSP2RXL", NULL, "DSP2RX" },
1215        { "DSP2RXR", NULL, "DSP2RX" },
1216
1217        { "DSP2TX", NULL, "DSP2TXL" },
1218        { "DSP2TX", NULL, "DSP2TXR" },
1219
1220        { "DSP1RX", "AIF1", "AIF1RXA" },
1221        { "DSP1RX", "AIF2", "AIF2RX" },
1222
1223        { "DSP2RX", "AIF1", "AIF1RXB" },
1224        { "DSP2RX", "AIF2", "AIF2RX" },
1225
1226        { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1227        { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1228        { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1229        { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1230
1231        { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1232        { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1233        { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1234        { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1235
1236        { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1237        { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1238        { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1239        { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1240
1241        { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1242        { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1243        { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1244        { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1245
1246        { "DAC1L", NULL, "DAC1L Mixer" },
1247        { "DAC1R", NULL, "DAC1R Mixer" },
1248        { "DAC2L", NULL, "DAC2L Mixer" },
1249        { "DAC2R", NULL, "DAC2R Mixer" },
1250
1251        { "HPOUT2L PGA", NULL, "Charge Pump" },
1252        { "HPOUT2L PGA", NULL, "Bandgap" },
1253        { "HPOUT2L PGA", NULL, "DAC2L" },
1254        { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1255        { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1256        { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
1257
1258        { "HPOUT2R PGA", NULL, "Charge Pump" },
1259        { "HPOUT2R PGA", NULL, "Bandgap" },
1260        { "HPOUT2R PGA", NULL, "DAC2R" },
1261        { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1262        { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1263        { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
1264
1265        { "HPOUT1L PGA", NULL, "Charge Pump" },
1266        { "HPOUT1L PGA", NULL, "Bandgap" },
1267        { "HPOUT1L PGA", NULL, "DAC1L" },
1268        { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1269        { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1270        { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
1271
1272        { "HPOUT1R PGA", NULL, "Charge Pump" },
1273        { "HPOUT1R PGA", NULL, "Bandgap" },
1274        { "HPOUT1R PGA", NULL, "DAC1R" },
1275        { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1276        { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1277        { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
1278
1279        { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1280        { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1281        { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1282        { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1283
1284        { "SPKL", "DAC1L", "DAC1L" },
1285        { "SPKL", "DAC1R", "DAC1R" },
1286        { "SPKL", "DAC2L", "DAC2L" },
1287        { "SPKL", "DAC2R", "DAC2R" },
1288
1289        { "SPKR", "DAC1L", "DAC1L" },
1290        { "SPKR", "DAC1R", "DAC1R" },
1291        { "SPKR", "DAC2L", "DAC2L" },
1292        { "SPKR", "DAC2R", "DAC2R" },
1293
1294        { "SPKL PGA", NULL, "SPKL" },
1295        { "SPKR PGA", NULL, "SPKR" },
1296
1297        { "SPKDAT", NULL, "SPKL PGA" },
1298        { "SPKDAT", NULL, "SPKR PGA" },
1299};
1300
1301static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1302{
1303        /* Due to the sparseness of the register map the compiler
1304         * output from an explicit switch statement ends up being much
1305         * more efficient than a table.
1306         */
1307        switch (reg) {
1308        case WM8996_SOFTWARE_RESET:
1309        case WM8996_POWER_MANAGEMENT_1:
1310        case WM8996_POWER_MANAGEMENT_2:
1311        case WM8996_POWER_MANAGEMENT_3:
1312        case WM8996_POWER_MANAGEMENT_4:
1313        case WM8996_POWER_MANAGEMENT_5:
1314        case WM8996_POWER_MANAGEMENT_6:
1315        case WM8996_POWER_MANAGEMENT_7:
1316        case WM8996_POWER_MANAGEMENT_8:
1317        case WM8996_LEFT_LINE_INPUT_VOLUME:
1318        case WM8996_RIGHT_LINE_INPUT_VOLUME:
1319        case WM8996_LINE_INPUT_CONTROL:
1320        case WM8996_DAC1_HPOUT1_VOLUME:
1321        case WM8996_DAC2_HPOUT2_VOLUME:
1322        case WM8996_DAC1_LEFT_VOLUME:
1323        case WM8996_DAC1_RIGHT_VOLUME:
1324        case WM8996_DAC2_LEFT_VOLUME:
1325        case WM8996_DAC2_RIGHT_VOLUME:
1326        case WM8996_OUTPUT1_LEFT_VOLUME:
1327        case WM8996_OUTPUT1_RIGHT_VOLUME:
1328        case WM8996_OUTPUT2_LEFT_VOLUME:
1329        case WM8996_OUTPUT2_RIGHT_VOLUME:
1330        case WM8996_MICBIAS_1:
1331        case WM8996_MICBIAS_2:
1332        case WM8996_LDO_1:
1333        case WM8996_LDO_2:
1334        case WM8996_ACCESSORY_DETECT_MODE_1:
1335        case WM8996_ACCESSORY_DETECT_MODE_2:
1336        case WM8996_HEADPHONE_DETECT_1:
1337        case WM8996_HEADPHONE_DETECT_2:
1338        case WM8996_MIC_DETECT_1:
1339        case WM8996_MIC_DETECT_2:
1340        case WM8996_MIC_DETECT_3:
1341        case WM8996_CHARGE_PUMP_1:
1342        case WM8996_CHARGE_PUMP_2:
1343        case WM8996_DC_SERVO_1:
1344        case WM8996_DC_SERVO_2:
1345        case WM8996_DC_SERVO_3:
1346        case WM8996_DC_SERVO_5:
1347        case WM8996_DC_SERVO_6:
1348        case WM8996_DC_SERVO_7:
1349        case WM8996_DC_SERVO_READBACK_0:
1350        case WM8996_ANALOGUE_HP_1:
1351        case WM8996_ANALOGUE_HP_2:
1352        case WM8996_CHIP_REVISION:
1353        case WM8996_CONTROL_INTERFACE_1:
1354        case WM8996_WRITE_SEQUENCER_CTRL_1:
1355        case WM8996_WRITE_SEQUENCER_CTRL_2:
1356        case WM8996_AIF_CLOCKING_1:
1357        case WM8996_AIF_CLOCKING_2:
1358        case WM8996_CLOCKING_1:
1359        case WM8996_CLOCKING_2:
1360        case WM8996_AIF_RATE:
1361        case WM8996_FLL_CONTROL_1:
1362        case WM8996_FLL_CONTROL_2:
1363        case WM8996_FLL_CONTROL_3:
1364        case WM8996_FLL_CONTROL_4:
1365        case WM8996_FLL_CONTROL_5:
1366        case WM8996_FLL_CONTROL_6:
1367        case WM8996_FLL_EFS_1:
1368        case WM8996_FLL_EFS_2:
1369        case WM8996_AIF1_CONTROL:
1370        case WM8996_AIF1_BCLK:
1371        case WM8996_AIF1_TX_LRCLK_1:
1372        case WM8996_AIF1_TX_LRCLK_2:
1373        case WM8996_AIF1_RX_LRCLK_1:
1374        case WM8996_AIF1_RX_LRCLK_2:
1375        case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1376        case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1377        case WM8996_AIF1RX_DATA_CONFIGURATION:
1378        case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1379        case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1380        case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1381        case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1382        case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1383        case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1384        case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1385        case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1386        case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1387        case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1388        case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1389        case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1390        case WM8996_AIF1RX_MONO_CONFIGURATION:
1391        case WM8996_AIF1TX_TEST:
1392        case WM8996_AIF2_CONTROL:
1393        case WM8996_AIF2_BCLK:
1394        case WM8996_AIF2_TX_LRCLK_1:
1395        case WM8996_AIF2_TX_LRCLK_2:
1396        case WM8996_AIF2_RX_LRCLK_1:
1397        case WM8996_AIF2_RX_LRCLK_2:
1398        case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1399        case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1400        case WM8996_AIF2RX_DATA_CONFIGURATION:
1401        case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1402        case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1403        case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1404        case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1405        case WM8996_AIF2RX_MONO_CONFIGURATION:
1406        case WM8996_AIF2TX_TEST:
1407        case WM8996_DSP1_TX_LEFT_VOLUME:
1408        case WM8996_DSP1_TX_RIGHT_VOLUME:
1409        case WM8996_DSP1_RX_LEFT_VOLUME:
1410        case WM8996_DSP1_RX_RIGHT_VOLUME:
1411        case WM8996_DSP1_TX_FILTERS:
1412        case WM8996_DSP1_RX_FILTERS_1:
1413        case WM8996_DSP1_RX_FILTERS_2:
1414        case WM8996_DSP1_DRC_1:
1415        case WM8996_DSP1_DRC_2:
1416        case WM8996_DSP1_DRC_3:
1417        case WM8996_DSP1_DRC_4:
1418        case WM8996_DSP1_DRC_5:
1419        case WM8996_DSP1_RX_EQ_GAINS_1:
1420        case WM8996_DSP1_RX_EQ_GAINS_2:
1421        case WM8996_DSP1_RX_EQ_BAND_1_A:
1422        case WM8996_DSP1_RX_EQ_BAND_1_B:
1423        case WM8996_DSP1_RX_EQ_BAND_1_PG:
1424        case WM8996_DSP1_RX_EQ_BAND_2_A:
1425        case WM8996_DSP1_RX_EQ_BAND_2_B:
1426        case WM8996_DSP1_RX_EQ_BAND_2_C:
1427        case WM8996_DSP1_RX_EQ_BAND_2_PG:
1428        case WM8996_DSP1_RX_EQ_BAND_3_A:
1429        case WM8996_DSP1_RX_EQ_BAND_3_B:
1430        case WM8996_DSP1_RX_EQ_BAND_3_C:
1431        case WM8996_DSP1_RX_EQ_BAND_3_PG:
1432        case WM8996_DSP1_RX_EQ_BAND_4_A:
1433        case WM8996_DSP1_RX_EQ_BAND_4_B:
1434        case WM8996_DSP1_RX_EQ_BAND_4_C:
1435        case WM8996_DSP1_RX_EQ_BAND_4_PG:
1436        case WM8996_DSP1_RX_EQ_BAND_5_A:
1437        case WM8996_DSP1_RX_EQ_BAND_5_B:
1438        case WM8996_DSP1_RX_EQ_BAND_5_PG:
1439        case WM8996_DSP2_TX_LEFT_VOLUME:
1440        case WM8996_DSP2_TX_RIGHT_VOLUME:
1441        case WM8996_DSP2_RX_LEFT_VOLUME:
1442        case WM8996_DSP2_RX_RIGHT_VOLUME:
1443        case WM8996_DSP2_TX_FILTERS:
1444        case WM8996_DSP2_RX_FILTERS_1:
1445        case WM8996_DSP2_RX_FILTERS_2:
1446        case WM8996_DSP2_DRC_1:
1447        case WM8996_DSP2_DRC_2:
1448        case WM8996_DSP2_DRC_3:
1449        case WM8996_DSP2_DRC_4:
1450        case WM8996_DSP2_DRC_5:
1451        case WM8996_DSP2_RX_EQ_GAINS_1:
1452        case WM8996_DSP2_RX_EQ_GAINS_2:
1453        case WM8996_DSP2_RX_EQ_BAND_1_A:
1454        case WM8996_DSP2_RX_EQ_BAND_1_B:
1455        case WM8996_DSP2_RX_EQ_BAND_1_PG:
1456        case WM8996_DSP2_RX_EQ_BAND_2_A:
1457        case WM8996_DSP2_RX_EQ_BAND_2_B:
1458        case WM8996_DSP2_RX_EQ_BAND_2_C:
1459        case WM8996_DSP2_RX_EQ_BAND_2_PG:
1460        case WM8996_DSP2_RX_EQ_BAND_3_A:
1461        case WM8996_DSP2_RX_EQ_BAND_3_B:
1462        case WM8996_DSP2_RX_EQ_BAND_3_C:
1463        case WM8996_DSP2_RX_EQ_BAND_3_PG:
1464        case WM8996_DSP2_RX_EQ_BAND_4_A:
1465        case WM8996_DSP2_RX_EQ_BAND_4_B:
1466        case WM8996_DSP2_RX_EQ_BAND_4_C:
1467        case WM8996_DSP2_RX_EQ_BAND_4_PG:
1468        case WM8996_DSP2_RX_EQ_BAND_5_A:
1469        case WM8996_DSP2_RX_EQ_BAND_5_B:
1470        case WM8996_DSP2_RX_EQ_BAND_5_PG:
1471        case WM8996_DAC1_MIXER_VOLUMES:
1472        case WM8996_DAC1_LEFT_MIXER_ROUTING:
1473        case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1474        case WM8996_DAC2_MIXER_VOLUMES:
1475        case WM8996_DAC2_LEFT_MIXER_ROUTING:
1476        case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1477        case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1478        case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1479        case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1480        case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1481        case WM8996_DSP_TX_MIXER_SELECT:
1482        case WM8996_DAC_SOFTMUTE:
1483        case WM8996_OVERSAMPLING:
1484        case WM8996_SIDETONE:
1485        case WM8996_GPIO_1:
1486        case WM8996_GPIO_2:
1487        case WM8996_GPIO_3:
1488        case WM8996_GPIO_4:
1489        case WM8996_GPIO_5:
1490        case WM8996_PULL_CONTROL_1:
1491        case WM8996_PULL_CONTROL_2:
1492        case WM8996_INTERRUPT_STATUS_1:
1493        case WM8996_INTERRUPT_STATUS_2:
1494        case WM8996_INTERRUPT_RAW_STATUS_2:
1495        case WM8996_INTERRUPT_STATUS_1_MASK:
1496        case WM8996_INTERRUPT_STATUS_2_MASK:
1497        case WM8996_INTERRUPT_CONTROL:
1498        case WM8996_LEFT_PDM_SPEAKER:
1499        case WM8996_RIGHT_PDM_SPEAKER:
1500        case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1501        case WM8996_PDM_SPEAKER_VOLUME:
1502                return 1;
1503        default:
1504                return 0;
1505        }
1506}
1507
1508static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1509{
1510        switch (reg) {
1511        case WM8996_SOFTWARE_RESET:
1512        case WM8996_CHIP_REVISION:
1513        case WM8996_LDO_1:
1514        case WM8996_LDO_2:
1515        case WM8996_INTERRUPT_STATUS_1:
1516        case WM8996_INTERRUPT_STATUS_2:
1517        case WM8996_INTERRUPT_RAW_STATUS_2:
1518        case WM8996_DC_SERVO_READBACK_0:
1519        case WM8996_DC_SERVO_2:
1520        case WM8996_DC_SERVO_6:
1521        case WM8996_DC_SERVO_7:
1522        case WM8996_FLL_CONTROL_6:
1523        case WM8996_MIC_DETECT_3:
1524        case WM8996_HEADPHONE_DETECT_1:
1525        case WM8996_HEADPHONE_DETECT_2:
1526                return 1;
1527        default:
1528                return 0;
1529        }
1530}
1531
1532static const int bclk_divs[] = {
1533        1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1534};
1535
1536static void wm8996_update_bclk(struct snd_soc_codec *codec)
1537{
1538        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1539        int aif, best, cur_val, bclk_rate, bclk_reg, i;
1540
1541        /* Don't bother if we're in a low frequency idle mode that
1542         * can't support audio.
1543         */
1544        if (wm8996->sysclk < 64000)
1545                return;
1546
1547        for (aif = 0; aif < WM8996_AIFS; aif++) {
1548                switch (aif) {
1549                case 0:
1550                        bclk_reg = WM8996_AIF1_BCLK;
1551                        break;
1552                case 1:
1553                        bclk_reg = WM8996_AIF2_BCLK;
1554                        break;
1555                }
1556
1557                bclk_rate = wm8996->bclk_rate[aif];
1558
1559                /* Pick a divisor for BCLK as close as we can get to ideal */
1560                best = 0;
1561                for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1562                        cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1563                        if (cur_val < 0) /* BCLK table is sorted */
1564                                break;
1565                        best = i;
1566                }
1567                bclk_rate = wm8996->sysclk / bclk_divs[best];
1568                dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1569                        bclk_divs[best], bclk_rate);
1570
1571                snd_soc_update_bits(codec, bclk_reg,
1572                                    WM8996_AIF1_BCLK_DIV_MASK, best);
1573        }
1574}
1575
1576static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1577                                 enum snd_soc_bias_level level)
1578{
1579        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1580        int ret;
1581
1582        switch (level) {
1583        case SND_SOC_BIAS_ON:
1584                break;
1585        case SND_SOC_BIAS_PREPARE:
1586                /* Put the MICBIASes into regulating mode */
1587                snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1588                                    WM8996_MICB1_MODE, 0);
1589                snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1590                                    WM8996_MICB2_MODE, 0);
1591                break;
1592
1593        case SND_SOC_BIAS_STANDBY:
1594                if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1595                        ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1596                                                    wm8996->supplies);
1597                        if (ret != 0) {
1598                                dev_err(codec->dev,
1599                                        "Failed to enable supplies: %d\n",
1600                                        ret);
1601                                return ret;
1602                        }
1603
1604                        if (wm8996->pdata.ldo_ena >= 0) {
1605                                gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1606                                                        1);
1607                                msleep(5);
1608                        }
1609
1610                        regcache_cache_only(wm8996->regmap, false);
1611                        regcache_sync(wm8996->regmap);
1612                }
1613
1614                /* Bypass the MICBIASes for lowest power */
1615                snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1616                                    WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1617                snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1618                                    WM8996_MICB2_MODE, WM8996_MICB2_MODE);
1619                break;
1620
1621        case SND_SOC_BIAS_OFF:
1622                regcache_cache_only(wm8996->regmap, true);
1623                if (wm8996->pdata.ldo_ena >= 0) {
1624                        gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1625                        regcache_cache_only(wm8996->regmap, true);
1626                }
1627                regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1628                                       wm8996->supplies);
1629                break;
1630        }
1631
1632        return 0;
1633}
1634
1635static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1636{
1637        struct snd_soc_codec *codec = dai->codec;
1638        int aifctrl = 0;
1639        int bclk = 0;
1640        int lrclk_tx = 0;
1641        int lrclk_rx = 0;
1642        int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1643
1644        switch (dai->id) {
1645        case 0:
1646                aifctrl_reg = WM8996_AIF1_CONTROL;
1647                bclk_reg = WM8996_AIF1_BCLK;
1648                lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1649                lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1650                break;
1651        case 1:
1652                aifctrl_reg = WM8996_AIF2_CONTROL;
1653                bclk_reg = WM8996_AIF2_BCLK;
1654                lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1655                lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1656                break;
1657        default:
1658                WARN(1, "Invalid dai id %d\n", dai->id);
1659                return -EINVAL;
1660        }
1661
1662        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1663        case SND_SOC_DAIFMT_NB_NF:
1664                break;
1665        case SND_SOC_DAIFMT_IB_NF:
1666                bclk |= WM8996_AIF1_BCLK_INV;
1667                break;
1668        case SND_SOC_DAIFMT_NB_IF:
1669                lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1670                lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1671                break;
1672        case SND_SOC_DAIFMT_IB_IF:
1673                bclk |= WM8996_AIF1_BCLK_INV;
1674                lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1675                lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1676                break;
1677        }
1678
1679        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1680        case SND_SOC_DAIFMT_CBS_CFS:
1681                break;
1682        case SND_SOC_DAIFMT_CBS_CFM:
1683                lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1684                lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1685                break;
1686        case SND_SOC_DAIFMT_CBM_CFS:
1687                bclk |= WM8996_AIF1_BCLK_MSTR;
1688                break;
1689        case SND_SOC_DAIFMT_CBM_CFM:
1690                bclk |= WM8996_AIF1_BCLK_MSTR;
1691                lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1692                lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1693                break;
1694        default:
1695                return -EINVAL;
1696        }
1697
1698        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1699        case SND_SOC_DAIFMT_DSP_A:
1700                break;
1701        case SND_SOC_DAIFMT_DSP_B:
1702                aifctrl |= 1;
1703                break;
1704        case SND_SOC_DAIFMT_I2S:
1705                aifctrl |= 2;
1706                break;
1707        case SND_SOC_DAIFMT_LEFT_J:
1708                aifctrl |= 3;
1709                break;
1710        default:
1711                return -EINVAL;
1712        }
1713
1714        snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1715        snd_soc_update_bits(codec, bclk_reg,
1716                            WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1717                            bclk);
1718        snd_soc_update_bits(codec, lrclk_tx_reg,
1719                            WM8996_AIF1TX_LRCLK_INV |
1720                            WM8996_AIF1TX_LRCLK_MSTR,
1721                            lrclk_tx);
1722        snd_soc_update_bits(codec, lrclk_rx_reg,
1723                            WM8996_AIF1RX_LRCLK_INV |
1724                            WM8996_AIF1RX_LRCLK_MSTR,
1725                            lrclk_rx);
1726
1727        return 0;
1728}
1729
1730static const int dsp_divs[] = {
1731        48000, 32000, 16000, 8000
1732};
1733
1734static int wm8996_hw_params(struct snd_pcm_substream *substream,
1735                            struct snd_pcm_hw_params *params,
1736                            struct snd_soc_dai *dai)
1737{
1738        struct snd_soc_codec *codec = dai->codec;
1739        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1740        int bits, i, bclk_rate, best;
1741        int aifdata = 0;
1742        int lrclk = 0;
1743        int dsp = 0;
1744        int aifdata_reg, lrclk_reg, dsp_shift;
1745
1746        switch (dai->id) {
1747        case 0:
1748                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1749                    (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1750                        aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1751                        lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1752                } else {
1753                        aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1754                        lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1755                }
1756                dsp_shift = 0;
1757                break;
1758        case 1:
1759                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1760                    (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1761                        aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1762                        lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1763                } else {
1764                        aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1765                        lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1766                }
1767                dsp_shift = WM8996_DSP2_DIV_SHIFT;
1768                break;
1769        default:
1770                WARN(1, "Invalid dai id %d\n", dai->id);
1771                return -EINVAL;
1772        }
1773
1774        bclk_rate = snd_soc_params_to_bclk(params);
1775        if (bclk_rate < 0) {
1776                dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1777                return bclk_rate;
1778        }
1779
1780        wm8996->bclk_rate[dai->id] = bclk_rate;
1781        wm8996->rx_rate[dai->id] = params_rate(params);
1782
1783        /* Needs looking at for TDM */
1784        bits = params_width(params);
1785        if (bits < 0)
1786                return bits;
1787        aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1788
1789        best = 0;
1790        for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1791                if (abs(dsp_divs[i] - params_rate(params)) <
1792                    abs(dsp_divs[best] - params_rate(params)))
1793                        best = i;
1794        }
1795        dsp |= i << dsp_shift;
1796
1797        wm8996_update_bclk(codec);
1798
1799        lrclk = bclk_rate / params_rate(params);
1800        dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1801                lrclk, bclk_rate / lrclk);
1802
1803        snd_soc_update_bits(codec, aifdata_reg,
1804                            WM8996_AIF1TX_WL_MASK |
1805                            WM8996_AIF1TX_SLOT_LEN_MASK,
1806                            aifdata);
1807        snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1808                            lrclk);
1809        snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1810                            WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1811
1812        return 0;
1813}
1814
1815static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1816                int clk_id, unsigned int freq, int dir)
1817{
1818        struct snd_soc_codec *codec = dai->codec;
1819        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1820        int lfclk = 0;
1821        int ratediv = 0;
1822        int sync = WM8996_REG_SYNC;
1823        int src;
1824        int old;
1825
1826        if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1827                return 0;
1828
1829        /* Disable SYSCLK while we reconfigure */
1830        old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1831        snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1832                            WM8996_SYSCLK_ENA, 0);
1833
1834        switch (clk_id) {
1835        case WM8996_SYSCLK_MCLK1:
1836                wm8996->sysclk = freq;
1837                src = 0;
1838                break;
1839        case WM8996_SYSCLK_MCLK2:
1840                wm8996->sysclk = freq;
1841                src = 1;
1842                break;
1843        case WM8996_SYSCLK_FLL:
1844                wm8996->sysclk = freq;
1845                src = 2;
1846                break;
1847        default:
1848                dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
1849                return -EINVAL;
1850        }
1851
1852        switch (wm8996->sysclk) {
1853        case 5644800:
1854        case 6144000:
1855                snd_soc_update_bits(codec, WM8996_AIF_RATE,
1856                                    WM8996_SYSCLK_RATE, 0);
1857                break;
1858        case 22579200:
1859        case 24576000:
1860                ratediv = WM8996_SYSCLK_DIV;
1861                wm8996->sysclk /= 2;
1862        case 11289600:
1863        case 12288000:
1864                snd_soc_update_bits(codec, WM8996_AIF_RATE,
1865                                    WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1866                break;
1867        case 32000:
1868        case 32768:
1869                lfclk = WM8996_LFCLK_ENA;
1870                sync = 0;
1871                break;
1872        default:
1873                dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1874                         wm8996->sysclk);
1875                return -EINVAL;
1876        }
1877
1878        wm8996_update_bclk(codec);
1879
1880        snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1881                            WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1882                            src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1883        snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1884        snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
1885                            WM8996_REG_SYNC, sync);
1886        snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1887                            WM8996_SYSCLK_ENA, old);
1888
1889        wm8996->sysclk_src = clk_id;
1890
1891        return 0;
1892}
1893
1894struct _fll_div {
1895        u16 fll_fratio;
1896        u16 fll_outdiv;
1897        u16 fll_refclk_div;
1898        u16 fll_loop_gain;
1899        u16 fll_ref_freq;
1900        u16 n;
1901        u16 theta;
1902        u16 lambda;
1903};
1904
1905static struct {
1906        unsigned int min;
1907        unsigned int max;
1908        u16 fll_fratio;
1909        int ratio;
1910} fll_fratios[] = {
1911        {       0,    64000, 4, 16 },
1912        {   64000,   128000, 3,  8 },
1913        {  128000,   256000, 2,  4 },
1914        {  256000,  1000000, 1,  2 },
1915        { 1000000, 13500000, 0,  1 },
1916};
1917
1918static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1919                       unsigned int Fout)
1920{
1921        unsigned int target;
1922        unsigned int div;
1923        unsigned int fratio, gcd_fll;
1924        int i;
1925
1926        /* Fref must be <=13.5MHz */
1927        div = 1;
1928        fll_div->fll_refclk_div = 0;
1929        while ((Fref / div) > 13500000) {
1930                div *= 2;
1931                fll_div->fll_refclk_div++;
1932
1933                if (div > 8) {
1934                        pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1935                               Fref);
1936                        return -EINVAL;
1937                }
1938        }
1939
1940        pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1941
1942        /* Apply the division for our remaining calculations */
1943        Fref /= div;
1944
1945        if (Fref >= 3000000)
1946                fll_div->fll_loop_gain = 5;
1947        else
1948                fll_div->fll_loop_gain = 0;
1949
1950        if (Fref >= 48000)
1951                fll_div->fll_ref_freq = 0;
1952        else
1953                fll_div->fll_ref_freq = 1;
1954
1955        /* Fvco should be 90-100MHz; don't check the upper bound */
1956        div = 2;
1957        while (Fout * div < 90000000) {
1958                div++;
1959                if (div > 64) {
1960                        pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1961                               Fout);
1962                        return -EINVAL;
1963                }
1964        }
1965        target = Fout * div;
1966        fll_div->fll_outdiv = div - 1;
1967
1968        pr_debug("FLL Fvco=%dHz\n", target);
1969
1970        /* Find an appropraite FLL_FRATIO and factor it out of the target */
1971        for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1972                if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1973                        fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1974                        fratio = fll_fratios[i].ratio;
1975                        break;
1976                }
1977        }
1978        if (i == ARRAY_SIZE(fll_fratios)) {
1979                pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1980                return -EINVAL;
1981        }
1982
1983        fll_div->n = target / (fratio * Fref);
1984
1985        if (target % Fref == 0) {
1986                fll_div->theta = 0;
1987                fll_div->lambda = 0;
1988        } else {
1989                gcd_fll = gcd(target, fratio * Fref);
1990
1991                fll_div->theta = (target - (fll_div->n * fratio * Fref))
1992                        / gcd_fll;
1993                fll_div->lambda = (fratio * Fref) / gcd_fll;
1994        }
1995
1996        pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
1997                 fll_div->n, fll_div->theta, fll_div->lambda);
1998        pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
1999                 fll_div->fll_fratio, fll_div->fll_outdiv,
2000                 fll_div->fll_refclk_div);
2001
2002        return 0;
2003}
2004
2005static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2006                          unsigned int Fref, unsigned int Fout)
2007{
2008        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2009        struct i2c_client *i2c = to_i2c_client(codec->dev);
2010        struct _fll_div fll_div;
2011        unsigned long timeout, time_left;
2012        int ret, reg, retry;
2013
2014        /* Any change? */
2015        if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2016            Fout == wm8996->fll_fout)
2017                return 0;
2018
2019        if (Fout == 0) {
2020                dev_dbg(codec->dev, "FLL disabled\n");
2021
2022                wm8996->fll_fref = 0;
2023                wm8996->fll_fout = 0;
2024
2025                snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2026                                    WM8996_FLL_ENA, 0);
2027
2028                wm8996_bg_disable(codec);
2029
2030                return 0;
2031        }
2032
2033        ret = fll_factors(&fll_div, Fref, Fout);
2034        if (ret != 0)
2035                return ret;
2036
2037        switch (source) {
2038        case WM8996_FLL_MCLK1:
2039                reg = 0;
2040                break;
2041        case WM8996_FLL_MCLK2:
2042                reg = 1;
2043                break;
2044        case WM8996_FLL_DACLRCLK1:
2045                reg = 2;
2046                break;
2047        case WM8996_FLL_BCLK1:
2048                reg = 3;
2049                break;
2050        default:
2051                dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2052                return -EINVAL;
2053        }
2054
2055        reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2056        reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2057
2058        snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2059                            WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2060                            WM8996_FLL_REFCLK_SRC_MASK, reg);
2061
2062        reg = 0;
2063        if (fll_div.theta || fll_div.lambda)
2064                reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2065        else
2066                reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2067        snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2068
2069        snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2070                            WM8996_FLL_OUTDIV_MASK |
2071                            WM8996_FLL_FRATIO_MASK,
2072                            (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2073                            (fll_div.fll_fratio));
2074
2075        snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2076
2077        snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2078                            WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2079                            (fll_div.n << WM8996_FLL_N_SHIFT) |
2080                            fll_div.fll_loop_gain);
2081
2082        snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2083
2084        /* Enable the bandgap if it's not already enabled */
2085        ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2086        if (!(ret & WM8996_FLL_ENA))
2087                wm8996_bg_enable(codec);
2088
2089        /* Clear any pending completions (eg, from failed startups) */
2090        try_wait_for_completion(&wm8996->fll_lock);
2091
2092        snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2093                            WM8996_FLL_ENA, WM8996_FLL_ENA);
2094
2095        /* The FLL supports live reconfiguration - kick that in case we were
2096         * already enabled.
2097         */
2098        snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2099
2100        /* Wait for the FLL to lock, using the interrupt if possible */
2101        if (Fref > 1000000)
2102                timeout = usecs_to_jiffies(300);
2103        else
2104                timeout = msecs_to_jiffies(2);
2105
2106        /* Allow substantially longer if we've actually got the IRQ, poll
2107         * at a slightly higher rate if we don't.
2108         */
2109        if (i2c->irq)
2110                timeout *= 10;
2111        else
2112                /* ensure timeout of atleast 1 jiffies */
2113                timeout = timeout/2 ? : 1;
2114
2115        for (retry = 0; retry < 10; retry++) {
2116                time_left = wait_for_completion_timeout(&wm8996->fll_lock,
2117                                                        timeout);
2118                if (time_left != 0) {
2119                        WARN_ON(!i2c->irq);
2120                        ret = 1;
2121                        break;
2122                }
2123
2124                ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2125                if (ret & WM8996_FLL_LOCK_STS)
2126                        break;
2127        }
2128        if (retry == 10) {
2129                dev_err(codec->dev, "Timed out waiting for FLL\n");
2130                ret = -ETIMEDOUT;
2131        }
2132
2133        dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2134
2135        wm8996->fll_fref = Fref;
2136        wm8996->fll_fout = Fout;
2137        wm8996->fll_src = source;
2138
2139        return ret;
2140}
2141
2142#ifdef CONFIG_GPIOLIB
2143static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2144{
2145        struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2146
2147        regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2148                           WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2149}
2150
2151static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2152                                     unsigned offset, int value)
2153{
2154        struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2155        int val;
2156
2157        val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2158
2159        return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2160                                  WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2161                                  WM8996_GP1_LVL, val);
2162}
2163
2164static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2165{
2166        struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2167        unsigned int reg;
2168        int ret;
2169
2170        ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
2171        if (ret < 0)
2172                return ret;
2173
2174        return (reg & WM8996_GP1_LVL) != 0;
2175}
2176
2177static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2178{
2179        struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2180
2181        return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2182                                  WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2183                                  (1 << WM8996_GP1_FN_SHIFT) |
2184                                  (1 << WM8996_GP1_DIR_SHIFT));
2185}
2186
2187static const struct gpio_chip wm8996_template_chip = {
2188        .label                  = "wm8996",
2189        .owner                  = THIS_MODULE,
2190        .direction_output       = wm8996_gpio_direction_out,
2191        .set                    = wm8996_gpio_set,
2192        .direction_input        = wm8996_gpio_direction_in,
2193        .get                    = wm8996_gpio_get,
2194        .can_sleep              = 1,
2195};
2196
2197static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2198{
2199        int ret;
2200
2201        wm8996->gpio_chip = wm8996_template_chip;
2202        wm8996->gpio_chip.ngpio = 5;
2203        wm8996->gpio_chip.parent = wm8996->dev;
2204
2205        if (wm8996->pdata.gpio_base)
2206                wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2207        else
2208                wm8996->gpio_chip.base = -1;
2209
2210        ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996);
2211        if (ret != 0)
2212                dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2213}
2214
2215static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2216{
2217        gpiochip_remove(&wm8996->gpio_chip);
2218}
2219#else
2220static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2221{
2222}
2223
2224static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2225{
2226}
2227#endif
2228
2229/**
2230 * wm8996_detect - Enable default WM8996 jack detection
2231 *
2232 * The WM8996 has advanced accessory detection support for headsets.
2233 * This function provides a default implementation which integrates
2234 * the majority of this functionality with minimal user configuration.
2235 *
2236 * This will detect headset, headphone and short circuit button and
2237 * will also detect inverted microphone ground connections and update
2238 * the polarity of the connections.
2239 */
2240int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2241                  wm8996_polarity_fn polarity_cb)
2242{
2243        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2244        struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2245
2246        wm8996->jack = jack;
2247        wm8996->detecting = true;
2248        wm8996->polarity_cb = polarity_cb;
2249        wm8996->jack_flips = 0;
2250
2251        if (wm8996->polarity_cb)
2252                wm8996->polarity_cb(codec, 0);
2253
2254        /* Clear discarge to avoid noise during detection */
2255        snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2256                            WM8996_MICB1_DISCH, 0);
2257        snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2258                            WM8996_MICB2_DISCH, 0);
2259
2260        /* LDO2 powers the microphones, SYSCLK clocks detection */
2261        snd_soc_dapm_mutex_lock(dapm);
2262
2263        snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
2264        snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
2265
2266        snd_soc_dapm_mutex_unlock(dapm);
2267
2268        /* We start off just enabling microphone detection - even a
2269         * plain headphone will trigger detection.
2270         */
2271        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2272                            WM8996_MICD_ENA, WM8996_MICD_ENA);
2273
2274        /* Slowest detection rate, gives debounce for initial detection */
2275        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2276                            WM8996_MICD_RATE_MASK,
2277                            WM8996_MICD_RATE_MASK);
2278
2279        /* Enable interrupts and we're off */
2280        snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2281                            WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2282
2283        return 0;
2284}
2285EXPORT_SYMBOL_GPL(wm8996_detect);
2286
2287static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2288{
2289        struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2290        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2291        int val, reg, report;
2292
2293        /* Assume headphone in error conditions; we need to report
2294         * something or we stall our state machine.
2295         */
2296        report = SND_JACK_HEADPHONE;
2297
2298        reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2299        if (reg < 0) {
2300                dev_err(codec->dev, "Failed to read HPDET status\n");
2301                goto out;
2302        }
2303
2304        if (!(reg & WM8996_HP_DONE)) {
2305                dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2306                goto out;
2307        }
2308
2309        val = reg & WM8996_HP_LVL_MASK;
2310
2311        dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2312
2313        /* If we've got high enough impedence then report as line,
2314         * otherwise assume headphone.
2315         */
2316        if (val >= 126)
2317                report = SND_JACK_LINEOUT;
2318        else
2319                report = SND_JACK_HEADPHONE;
2320
2321out:
2322        if (wm8996->jack_mic)
2323                report |= SND_JACK_MICROPHONE;
2324
2325        snd_soc_jack_report(wm8996->jack, report,
2326                            SND_JACK_LINEOUT | SND_JACK_HEADSET);
2327
2328        wm8996->detecting = false;
2329
2330        /* If the output isn't running re-clamp it */
2331        if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2332              (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2333                snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2334                                    WM8996_HPOUT1L_RMV_SHORT |
2335                                    WM8996_HPOUT1R_RMV_SHORT, 0);
2336
2337        /* Go back to looking at the microphone */
2338        snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2339                            WM8996_JD_MODE_MASK, 0);
2340        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2341                            WM8996_MICD_ENA);
2342
2343        snd_soc_dapm_disable_pin(dapm, "Bandgap");
2344        snd_soc_dapm_sync(dapm);
2345}
2346
2347static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2348{
2349        struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2350
2351        /* Unclamp the output, we can't measure while we're shorting it */
2352        snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2353                            WM8996_HPOUT1L_RMV_SHORT |
2354                            WM8996_HPOUT1R_RMV_SHORT,
2355                            WM8996_HPOUT1L_RMV_SHORT |
2356                            WM8996_HPOUT1R_RMV_SHORT);
2357
2358        /* We need bandgap for HPDET */
2359        snd_soc_dapm_force_enable_pin(dapm, "Bandgap");
2360        snd_soc_dapm_sync(dapm);
2361
2362        /* Go into headphone detect left mode */
2363        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2364        snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2365                            WM8996_JD_MODE_MASK, 1);
2366
2367        /* Trigger a measurement */
2368        snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2369                            WM8996_HP_POLL, WM8996_HP_POLL);
2370}
2371
2372static void wm8996_report_headphone(struct snd_soc_codec *codec)
2373{
2374        dev_dbg(codec->dev, "Headphone detected\n");
2375        wm8996_hpdet_start(codec);
2376
2377        /* Increase the detection rate a bit for responsiveness. */
2378        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2379                            WM8996_MICD_RATE_MASK |
2380                            WM8996_MICD_BIAS_STARTTIME_MASK,
2381                            7 << WM8996_MICD_RATE_SHIFT |
2382                            7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2383}
2384
2385static void wm8996_micd(struct snd_soc_codec *codec)
2386{
2387        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2388        int val, reg;
2389
2390        val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2391
2392        dev_dbg(codec->dev, "Microphone event: %x\n", val);
2393
2394        if (!(val & WM8996_MICD_VALID)) {
2395                dev_warn(codec->dev, "Microphone detection state invalid\n");
2396                return;
2397        }
2398
2399        /* No accessory, reset everything and report removal */
2400        if (!(val & WM8996_MICD_STS)) {
2401                dev_dbg(codec->dev, "Jack removal detected\n");
2402                wm8996->jack_mic = false;
2403                wm8996->detecting = true;
2404                wm8996->jack_flips = 0;
2405                snd_soc_jack_report(wm8996->jack, 0,
2406                                    SND_JACK_LINEOUT | SND_JACK_HEADSET |
2407                                    SND_JACK_BTN_0);
2408
2409                snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2410                                    WM8996_MICD_RATE_MASK |
2411                                    WM8996_MICD_BIAS_STARTTIME_MASK,
2412                                    WM8996_MICD_RATE_MASK |
2413                                    9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2414                return;
2415        }
2416
2417        /* If the measurement is very high we've got a microphone,
2418         * either we just detected one or if we already reported then
2419         * we've got a button release event.
2420         */
2421        if (val & 0x400) {
2422                if (wm8996->detecting) {
2423                        dev_dbg(codec->dev, "Microphone detected\n");
2424                        wm8996->jack_mic = true;
2425                        wm8996_hpdet_start(codec);
2426
2427                        /* Increase poll rate to give better responsiveness
2428                         * for buttons */
2429                        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2430                                            WM8996_MICD_RATE_MASK |
2431                                            WM8996_MICD_BIAS_STARTTIME_MASK,
2432                                            5 << WM8996_MICD_RATE_SHIFT |
2433                                            7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2434                } else {
2435                        dev_dbg(codec->dev, "Mic button up\n");
2436                        snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2437                }
2438
2439                return;
2440        }
2441
2442        /* If we detected a lower impedence during initial startup
2443         * then we probably have the wrong polarity, flip it.  Don't
2444         * do this for the lowest impedences to speed up detection of
2445         * plain headphones.  If both polarities report a low
2446         * impedence then give up and report headphones.
2447         */
2448        if (wm8996->detecting && (val & 0x3f0)) {
2449                wm8996->jack_flips++;
2450
2451                if (wm8996->jack_flips > 1) {
2452                        wm8996_report_headphone(codec);
2453                        return;
2454                }
2455
2456                reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2457                reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2458                        WM8996_MICD_BIAS_SRC;
2459                snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2460                                    WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2461                                    WM8996_MICD_BIAS_SRC, reg);
2462
2463                if (wm8996->polarity_cb)
2464                        wm8996->polarity_cb(codec,
2465                                            (reg & WM8996_MICD_SRC) != 0);
2466
2467                dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2468                        (reg & WM8996_MICD_SRC) != 0);
2469
2470                return;
2471        }
2472
2473        /* Don't distinguish between buttons, just report any low
2474         * impedence as BTN_0.
2475         */
2476        if (val & 0x3fc) {
2477                if (wm8996->jack_mic) {
2478                        dev_dbg(codec->dev, "Mic button detected\n");
2479                        snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2480                                            SND_JACK_BTN_0);
2481                } else if (wm8996->detecting) {
2482                        wm8996_report_headphone(codec);
2483                }
2484        }
2485}
2486
2487static irqreturn_t wm8996_irq(int irq, void *data)
2488{
2489        struct snd_soc_codec *codec = data;
2490        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2491        int irq_val;
2492
2493        irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2494        if (irq_val < 0) {
2495                dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2496                        irq_val);
2497                return IRQ_NONE;
2498        }
2499        irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2500
2501        if (!irq_val)
2502                return IRQ_NONE;
2503
2504        snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2505
2506        if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2507                dev_dbg(codec->dev, "DC servo IRQ\n");
2508                complete(&wm8996->dcs_done);
2509        }
2510
2511        if (irq_val & WM8996_FIFOS_ERR_EINT)
2512                dev_err(codec->dev, "Digital core FIFO error\n");
2513
2514        if (irq_val & WM8996_FLL_LOCK_EINT) {
2515                dev_dbg(codec->dev, "FLL locked\n");
2516                complete(&wm8996->fll_lock);
2517        }
2518
2519        if (irq_val & WM8996_MICD_EINT)
2520                wm8996_micd(codec);
2521
2522        if (irq_val & WM8996_HP_DONE_EINT)
2523                wm8996_hpdet_irq(codec);
2524
2525        return IRQ_HANDLED;
2526}
2527
2528static irqreturn_t wm8996_edge_irq(int irq, void *data)
2529{
2530        irqreturn_t ret = IRQ_NONE;
2531        irqreturn_t val;
2532
2533        do {
2534                val = wm8996_irq(irq, data);
2535                if (val != IRQ_NONE)
2536                        ret = val;
2537        } while (val != IRQ_NONE);
2538
2539        return ret;
2540}
2541
2542static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2543{
2544        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2545        struct wm8996_pdata *pdata = &wm8996->pdata;
2546
2547        struct snd_kcontrol_new controls[] = {
2548                SOC_ENUM_EXT("DSP1 EQ Mode",
2549                             wm8996->retune_mobile_enum,
2550                             wm8996_get_retune_mobile_enum,
2551                             wm8996_put_retune_mobile_enum),
2552                SOC_ENUM_EXT("DSP2 EQ Mode",
2553                             wm8996->retune_mobile_enum,
2554                             wm8996_get_retune_mobile_enum,
2555                             wm8996_put_retune_mobile_enum),
2556        };
2557        int ret, i, j;
2558        const char **t;
2559
2560        /* We need an array of texts for the enum API but the number
2561         * of texts is likely to be less than the number of
2562         * configurations due to the sample rate dependency of the
2563         * configurations. */
2564        wm8996->num_retune_mobile_texts = 0;
2565        wm8996->retune_mobile_texts = NULL;
2566        for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2567                for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2568                        if (strcmp(pdata->retune_mobile_cfgs[i].name,
2569                                   wm8996->retune_mobile_texts[j]) == 0)
2570                                break;
2571                }
2572
2573                if (j != wm8996->num_retune_mobile_texts)
2574                        continue;
2575
2576                /* Expand the array... */
2577                t = krealloc(wm8996->retune_mobile_texts,
2578                             sizeof(char *) * 
2579                             (wm8996->num_retune_mobile_texts + 1),
2580                             GFP_KERNEL);
2581                if (t == NULL)
2582                        continue;
2583
2584                /* ...store the new entry... */
2585                t[wm8996->num_retune_mobile_texts] = 
2586                        pdata->retune_mobile_cfgs[i].name;
2587
2588                /* ...and remember the new version. */
2589                wm8996->num_retune_mobile_texts++;
2590                wm8996->retune_mobile_texts = t;
2591        }
2592
2593        dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2594                wm8996->num_retune_mobile_texts);
2595
2596        wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
2597        wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2598
2599        ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2600        if (ret != 0)
2601                dev_err(codec->dev,
2602                        "Failed to add ReTune Mobile controls: %d\n", ret);
2603}
2604
2605static const struct regmap_config wm8996_regmap = {
2606        .reg_bits = 16,
2607        .val_bits = 16,
2608
2609        .max_register = WM8996_MAX_REGISTER,
2610        .reg_defaults = wm8996_reg,
2611        .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2612        .volatile_reg = wm8996_volatile_register,
2613        .readable_reg = wm8996_readable_register,
2614        .cache_type = REGCACHE_RBTREE,
2615};
2616
2617static int wm8996_probe(struct snd_soc_codec *codec)
2618{
2619        int ret;
2620        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2621        struct i2c_client *i2c = to_i2c_client(codec->dev);
2622        int irq_flags;
2623
2624        wm8996->codec = codec;
2625
2626        init_completion(&wm8996->dcs_done);
2627        init_completion(&wm8996->fll_lock);
2628
2629        if (wm8996->pdata.num_retune_mobile_cfgs)
2630                wm8996_retune_mobile_pdata(codec);
2631        else
2632                snd_soc_add_codec_controls(codec, wm8996_eq_controls,
2633                                     ARRAY_SIZE(wm8996_eq_controls));
2634
2635        if (i2c->irq) {
2636                if (wm8996->pdata.irq_flags)
2637                        irq_flags = wm8996->pdata.irq_flags;
2638                else
2639                        irq_flags = IRQF_TRIGGER_LOW;
2640
2641                irq_flags |= IRQF_ONESHOT;
2642
2643                if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2644                        ret = request_threaded_irq(i2c->irq, NULL,
2645                                                   wm8996_edge_irq,
2646                                                   irq_flags, "wm8996", codec);
2647                else
2648                        ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2649                                                   irq_flags, "wm8996", codec);
2650
2651                if (ret == 0) {
2652                        /* Unmask the interrupt */
2653                        snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2654                                            WM8996_IM_IRQ, 0);
2655
2656                        /* Enable error reporting and DC servo status */
2657                        snd_soc_update_bits(codec,
2658                                            WM8996_INTERRUPT_STATUS_2_MASK,
2659                                            WM8996_IM_DCS_DONE_23_EINT |
2660                                            WM8996_IM_DCS_DONE_01_EINT |
2661                                            WM8996_IM_FLL_LOCK_EINT |
2662                                            WM8996_IM_FIFOS_ERR_EINT,
2663                                            0);
2664                } else {
2665                        dev_err(codec->dev, "Failed to request IRQ: %d\n",
2666                                ret);
2667                        return ret;
2668                }
2669        }
2670
2671        return 0;
2672}
2673
2674static int wm8996_remove(struct snd_soc_codec *codec)
2675{
2676        struct i2c_client *i2c = to_i2c_client(codec->dev);
2677
2678        snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2679                            WM8996_IM_IRQ, WM8996_IM_IRQ);
2680
2681        if (i2c->irq)
2682                free_irq(i2c->irq, codec);
2683
2684        return 0;
2685}
2686
2687static const struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
2688        .probe =        wm8996_probe,
2689        .remove =       wm8996_remove,
2690        .set_bias_level = wm8996_set_bias_level,
2691        .idle_bias_off  = true,
2692        .seq_notifier = wm8996_seq_notifier,
2693        .component_driver = {
2694                .controls               = wm8996_snd_controls,
2695                .num_controls           = ARRAY_SIZE(wm8996_snd_controls),
2696                .dapm_widgets           = wm8996_dapm_widgets,
2697                .num_dapm_widgets       = ARRAY_SIZE(wm8996_dapm_widgets),
2698                .dapm_routes            = wm8996_dapm_routes,
2699                .num_dapm_routes        = ARRAY_SIZE(wm8996_dapm_routes),
2700        },
2701        .set_pll = wm8996_set_fll,
2702};
2703
2704#define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2705                      SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2706                      SNDRV_PCM_RATE_48000)
2707#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2708                        SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2709                        SNDRV_PCM_FMTBIT_S32_LE)
2710
2711static const struct snd_soc_dai_ops wm8996_dai_ops = {
2712        .set_fmt = wm8996_set_fmt,
2713        .hw_params = wm8996_hw_params,
2714        .set_sysclk = wm8996_set_sysclk,
2715};
2716
2717static struct snd_soc_dai_driver wm8996_dai[] = {
2718        {
2719                .name = "wm8996-aif1",
2720                .playback = {
2721                        .stream_name = "AIF1 Playback",
2722                        .channels_min = 1,
2723                        .channels_max = 6,
2724                        .rates = WM8996_RATES,
2725                        .formats = WM8996_FORMATS,
2726                        .sig_bits = 24,
2727                },
2728                .capture = {
2729                         .stream_name = "AIF1 Capture",
2730                         .channels_min = 1,
2731                         .channels_max = 6,
2732                         .rates = WM8996_RATES,
2733                         .formats = WM8996_FORMATS,
2734                         .sig_bits = 24,
2735                 },
2736                .ops = &wm8996_dai_ops,
2737        },
2738        {
2739                .name = "wm8996-aif2",
2740                .playback = {
2741                        .stream_name = "AIF2 Playback",
2742                        .channels_min = 1,
2743                        .channels_max = 2,
2744                        .rates = WM8996_RATES,
2745                        .formats = WM8996_FORMATS,
2746                        .sig_bits = 24,
2747                },
2748                .capture = {
2749                         .stream_name = "AIF2 Capture",
2750                         .channels_min = 1,
2751                         .channels_max = 2,
2752                         .rates = WM8996_RATES,
2753                         .formats = WM8996_FORMATS,
2754                        .sig_bits = 24,
2755                 },
2756                .ops = &wm8996_dai_ops,
2757        },
2758};
2759
2760static int wm8996_i2c_probe(struct i2c_client *i2c,
2761                            const struct i2c_device_id *id)
2762{
2763        struct wm8996_priv *wm8996;
2764        int ret, i;
2765        unsigned int reg;
2766
2767        wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2768                              GFP_KERNEL);
2769        if (wm8996 == NULL)
2770                return -ENOMEM;
2771
2772        i2c_set_clientdata(i2c, wm8996);
2773        wm8996->dev = &i2c->dev;
2774
2775        if (dev_get_platdata(&i2c->dev))
2776                memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2777                       sizeof(wm8996->pdata));
2778
2779        if (wm8996->pdata.ldo_ena > 0) {
2780                ret = gpio_request_one(wm8996->pdata.ldo_ena,
2781                                       GPIOF_OUT_INIT_LOW, "WM8996 ENA");
2782                if (ret < 0) {
2783                        dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
2784                                wm8996->pdata.ldo_ena, ret);
2785                        goto err;
2786                }
2787        }
2788
2789        for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2790                wm8996->supplies[i].supply = wm8996_supply_names[i];
2791
2792        ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2793                                      wm8996->supplies);
2794        if (ret != 0) {
2795                dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2796                goto err_gpio;
2797        }
2798
2799        wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2800        wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2801        wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2802
2803        /* This should really be moved into the regulator core */
2804        for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2805                ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2806                                                  &wm8996->disable_nb[i]);
2807                if (ret != 0) {
2808                        dev_err(&i2c->dev,
2809                                "Failed to register regulator notifier: %d\n",
2810                                ret);
2811                }
2812        }
2813
2814        ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2815                                    wm8996->supplies);
2816        if (ret != 0) {
2817                dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2818                goto err_gpio;
2819        }
2820
2821        if (wm8996->pdata.ldo_ena > 0) {
2822                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2823                msleep(5);
2824        }
2825
2826        wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2827        if (IS_ERR(wm8996->regmap)) {
2828                ret = PTR_ERR(wm8996->regmap);
2829                dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2830                goto err_enable;
2831        }
2832
2833        ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, &reg);
2834        if (ret < 0) {
2835                dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2836                goto err_regmap;
2837        }
2838        if (reg != 0x8915) {
2839                dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2840                ret = -EINVAL;
2841                goto err_regmap;
2842        }
2843
2844        ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, &reg);
2845        if (ret < 0) {
2846                dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2847                        ret);
2848                goto err_regmap;
2849        }
2850
2851        dev_info(&i2c->dev, "revision %c\n",
2852                 (reg & WM8996_CHIP_REV_MASK) + 'A');
2853
2854        if (wm8996->pdata.ldo_ena > 0) {
2855                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2856                regcache_cache_only(wm8996->regmap, true);
2857        } else {
2858                ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2859                                   0x8915);
2860                if (ret != 0) {
2861                        dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2862                        goto err_regmap;
2863                }
2864        }
2865
2866        regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2867
2868        /* Apply platform data settings */
2869        regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2870                           WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2871                           wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2872                           wm8996->pdata.inr_mode);
2873
2874        for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2875                if (!wm8996->pdata.gpio_default[i])
2876                        continue;
2877
2878                regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2879                             wm8996->pdata.gpio_default[i] & 0xffff);
2880        }
2881
2882        if (wm8996->pdata.spkmute_seq)
2883                regmap_update_bits(wm8996->regmap,
2884                                   WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2885                                   WM8996_SPK_MUTE_ENDIAN |
2886                                   WM8996_SPK_MUTE_SEQ1_MASK,
2887                                   wm8996->pdata.spkmute_seq);
2888
2889        regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2890                           WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2891                           WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2892
2893        /* Latch volume update bits */
2894        regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2895                           WM8996_IN1_VU, WM8996_IN1_VU);
2896        regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2897                           WM8996_IN1_VU, WM8996_IN1_VU);
2898
2899        regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2900                           WM8996_DAC1_VU, WM8996_DAC1_VU);
2901        regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2902                           WM8996_DAC1_VU, WM8996_DAC1_VU);
2903        regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2904                           WM8996_DAC2_VU, WM8996_DAC2_VU);
2905        regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2906                           WM8996_DAC2_VU, WM8996_DAC2_VU);
2907
2908        regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2909                           WM8996_DAC1_VU, WM8996_DAC1_VU);
2910        regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2911                           WM8996_DAC1_VU, WM8996_DAC1_VU);
2912        regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2913                           WM8996_DAC2_VU, WM8996_DAC2_VU);
2914        regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2915                           WM8996_DAC2_VU, WM8996_DAC2_VU);
2916
2917        regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2918                           WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2919        regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2920                           WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2921        regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2922                           WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2923        regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2924                           WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2925
2926        regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2927                           WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2928        regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2929                           WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2930        regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2931                           WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2932        regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2933                           WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2934
2935        /* No support currently for the underclocked TDM modes and
2936         * pick a default TDM layout with each channel pair working with
2937         * slots 0 and 1. */
2938        regmap_update_bits(wm8996->regmap,
2939                           WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2940                           WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2941                           WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2942                           1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2943        regmap_update_bits(wm8996->regmap,
2944                           WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2945                           WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2946                           WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2947                           1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2948        regmap_update_bits(wm8996->regmap,
2949                           WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2950                           WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2951                           WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2952                           1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2953        regmap_update_bits(wm8996->regmap,
2954                           WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2955                           WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2956                           WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2957                           1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2958        regmap_update_bits(wm8996->regmap,
2959                           WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2960                           WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2961                           WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2962                           1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2963        regmap_update_bits(wm8996->regmap,
2964                           WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2965                           WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2966                           WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2967                           1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2968
2969        regmap_update_bits(wm8996->regmap,
2970                           WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2971                           WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2972                           WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2973                           1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2974        regmap_update_bits(wm8996->regmap,
2975                           WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2976                           WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2977                           WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2978                           1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2979
2980        regmap_update_bits(wm8996->regmap,
2981                           WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2982                           WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2983                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2984                           1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2985        regmap_update_bits(wm8996->regmap,
2986                           WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2987                           WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2988                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2989                           1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2990        regmap_update_bits(wm8996->regmap,
2991                           WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2992                           WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2993                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2994                           1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2995        regmap_update_bits(wm8996->regmap,
2996                           WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
2997                           WM8996_AIF1TX_CHAN3_SLOTS_MASK |
2998                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2999                           1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
3000        regmap_update_bits(wm8996->regmap,
3001                           WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
3002                           WM8996_AIF1TX_CHAN4_SLOTS_MASK |
3003                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3004                           1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
3005        regmap_update_bits(wm8996->regmap,
3006                           WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
3007                           WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3008                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3009                           1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3010
3011        regmap_update_bits(wm8996->regmap,
3012                           WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3013                           WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3014                           WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3015                           1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3016        regmap_update_bits(wm8996->regmap,
3017                           WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3018                           WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3019                           WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3020                           1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3021
3022        /* If the TX LRCLK pins are not in LRCLK mode configure the
3023         * AIFs to source their clocks from the RX LRCLKs.
3024         */
3025        ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
3026        if (ret != 0) {
3027                dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3028                goto err_regmap;
3029        }
3030
3031        if (reg & WM8996_GP1_FN_MASK)
3032                regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3033                                   WM8996_AIF1TX_LRCLK_MODE,
3034                                   WM8996_AIF1TX_LRCLK_MODE);
3035
3036        ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
3037        if (ret != 0) {
3038                dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3039                goto err_regmap;
3040        }
3041
3042        if (reg & WM8996_GP2_FN_MASK)
3043                regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3044                                   WM8996_AIF2TX_LRCLK_MODE,
3045                                   WM8996_AIF2TX_LRCLK_MODE);
3046
3047        wm8996_init_gpio(wm8996);
3048
3049        ret = snd_soc_register_codec(&i2c->dev,
3050                                     &soc_codec_dev_wm8996, wm8996_dai,
3051                                     ARRAY_SIZE(wm8996_dai));
3052        if (ret < 0)
3053                goto err_gpiolib;
3054
3055        return ret;
3056
3057err_gpiolib:
3058        wm8996_free_gpio(wm8996);
3059err_regmap:
3060err_enable:
3061        if (wm8996->pdata.ldo_ena > 0)
3062                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3063        regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3064err_gpio:
3065        if (wm8996->pdata.ldo_ena > 0)
3066                gpio_free(wm8996->pdata.ldo_ena);
3067err:
3068
3069        return ret;
3070}
3071
3072static int wm8996_i2c_remove(struct i2c_client *client)
3073{
3074        struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3075        int i;
3076
3077        snd_soc_unregister_codec(&client->dev);
3078        wm8996_free_gpio(wm8996);
3079        if (wm8996->pdata.ldo_ena > 0) {
3080                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3081                gpio_free(wm8996->pdata.ldo_ena);
3082        }
3083        for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3084                regulator_unregister_notifier(wm8996->supplies[i].consumer,
3085                                              &wm8996->disable_nb[i]);
3086
3087        return 0;
3088}
3089
3090static const struct i2c_device_id wm8996_i2c_id[] = {
3091        { "wm8996", 0 },
3092        { }
3093};
3094MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3095
3096static struct i2c_driver wm8996_i2c_driver = {
3097        .driver = {
3098                .name = "wm8996",
3099        },
3100        .probe =    wm8996_i2c_probe,
3101        .remove =   wm8996_i2c_remove,
3102        .id_table = wm8996_i2c_id,
3103};
3104
3105module_i2c_driver(wm8996_i2c_driver);
3106
3107MODULE_DESCRIPTION("ASoC WM8996 driver");
3108MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3109MODULE_LICENSE("GPL");
3110