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.h>
  21#include <linux/i2c.h>
  22#include <linux/regmap.h>
  23#include <linux/regulator/consumer.h>
  24#include <linux/slab.h>
  25#include <linux/workqueue.h>
  26#include <sound/core.h>
  27#include <sound/jack.h>
  28#include <sound/pcm.h>
  29#include <sound/pcm_params.h>
  30#include <sound/soc.h>
  31#include <sound/initval.h>
  32#include <sound/tlv.h>
  33#include <trace/events/asoc.h>
  34
  35#include <sound/wm8996.h>
  36#include "wm8996.h"
  37
  38#define WM8996_AIFS 2
  39
  40#define HPOUT1L 1
  41#define HPOUT1R 2
  42#define HPOUT2L 4
  43#define HPOUT2R 8
  44
  45#define WM8996_NUM_SUPPLIES 3
  46static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
  47        "DBVDD",
  48        "AVDD1",
  49        "AVDD2",
  50};
  51
  52struct wm8996_priv {
  53        struct device *dev;
  54        struct regmap *regmap;
  55        struct snd_soc_codec *codec;
  56
  57        int ldo1ena;
  58
  59        int sysclk;
  60        int sysclk_src;
  61
  62        int fll_src;
  63        int fll_fref;
  64        int fll_fout;
  65
  66        struct completion fll_lock;
  67
  68        u16 dcs_pending;
  69        struct completion dcs_done;
  70
  71        u16 hpout_ena;
  72        u16 hpout_pending;
  73
  74        struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
  75        struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
  76        int bg_ena;
  77
  78        struct wm8996_pdata pdata;
  79
  80        int rx_rate[WM8996_AIFS];
  81        int bclk_rate[WM8996_AIFS];
  82
  83        /* Platform dependant ReTune mobile configuration */
  84        int num_retune_mobile_texts;
  85        const char **retune_mobile_texts;
  86        int retune_mobile_cfg[2];
  87        struct soc_enum retune_mobile_enum;
  88
  89        struct snd_soc_jack *jack;
  90        bool detecting;
  91        bool jack_mic;
  92        int jack_flips;
  93        wm8996_polarity_fn polarity_cb;
  94
  95#ifdef CONFIG_GPIOLIB
  96        struct gpio_chip gpio_chip;
  97#endif
  98};
  99
 100/* We can't use the same notifier block for more than one supply and
 101 * there's no way I can see to get from a callback to the caller
 102 * except container_of().
 103 */
 104#define WM8996_REGULATOR_EVENT(n) \
 105static int wm8996_regulator_event_##n(struct notifier_block *nb, \
 106                                    unsigned long event, void *data)    \
 107{ \
 108        struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
 109                                                  disable_nb[n]); \
 110        if (event & REGULATOR_EVENT_DISABLE) { \
 111                regcache_mark_dirty(wm8996->regmap);    \
 112        } \
 113        return 0; \
 114}
 115
 116WM8996_REGULATOR_EVENT(0)
 117WM8996_REGULATOR_EVENT(1)
 118WM8996_REGULATOR_EVENT(2)
 119
 120static struct reg_default wm8996_reg[] = {
 121        { WM8996_POWER_MANAGEMENT_1, 0x0 },
 122        { WM8996_POWER_MANAGEMENT_2, 0x0 },
 123        { WM8996_POWER_MANAGEMENT_3, 0x0 },
 124        { WM8996_POWER_MANAGEMENT_4, 0x0 },
 125        { WM8996_POWER_MANAGEMENT_5, 0x0 },
 126        { WM8996_POWER_MANAGEMENT_6, 0x0 },
 127        { WM8996_POWER_MANAGEMENT_7, 0x10 },
 128        { WM8996_POWER_MANAGEMENT_8, 0x0 },
 129        { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
 130        { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
 131        { WM8996_LINE_INPUT_CONTROL, 0x0 },
 132        { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
 133        { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
 134        { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
 135        { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
 136        { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
 137        { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
 138        { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
 139        { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
 140        { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
 141        { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
 142        { WM8996_MICBIAS_1, 0x39 },
 143        { WM8996_MICBIAS_2, 0x39 },
 144        { WM8996_LDO_1, 0x3 },
 145        { WM8996_LDO_2, 0x13 },
 146        { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
 147        { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
 148        { WM8996_HEADPHONE_DETECT_1, 0x20 },
 149        { WM8996_HEADPHONE_DETECT_2, 0x0 },
 150        { WM8996_MIC_DETECT_1, 0x7600 },
 151        { WM8996_MIC_DETECT_2, 0xbf },
 152        { WM8996_CHARGE_PUMP_1, 0x1f25 },
 153        { WM8996_CHARGE_PUMP_2, 0xab19 },
 154        { WM8996_DC_SERVO_1, 0x0 },
 155        { WM8996_DC_SERVO_3, 0x0 },
 156        { WM8996_DC_SERVO_5, 0x2a2a },
 157        { WM8996_DC_SERVO_6, 0x0 },
 158        { WM8996_DC_SERVO_7, 0x0 },
 159        { WM8996_ANALOGUE_HP_1, 0x0 },
 160        { WM8996_ANALOGUE_HP_2, 0x0 },
 161        { WM8996_CONTROL_INTERFACE_1, 0x8004 },
 162        { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
 163        { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
 164        { WM8996_AIF_CLOCKING_1, 0x0 },
 165        { WM8996_AIF_CLOCKING_2, 0x0 },
 166        { WM8996_CLOCKING_1, 0x10 },
 167        { WM8996_CLOCKING_2, 0x0 },
 168        { WM8996_AIF_RATE, 0x83 },
 169        { WM8996_FLL_CONTROL_1, 0x0 },
 170        { WM8996_FLL_CONTROL_2, 0x0 },
 171        { WM8996_FLL_CONTROL_3, 0x0 },
 172        { WM8996_FLL_CONTROL_4, 0x5dc0 },
 173        { WM8996_FLL_CONTROL_5, 0xc84 },
 174        { WM8996_FLL_EFS_1, 0x0 },
 175        { WM8996_FLL_EFS_2, 0x2 },
 176        { WM8996_AIF1_CONTROL, 0x0 },
 177        { WM8996_AIF1_BCLK, 0x0 },
 178        { WM8996_AIF1_TX_LRCLK_1, 0x80 },
 179        { WM8996_AIF1_TX_LRCLK_2, 0x8 },
 180        { WM8996_AIF1_RX_LRCLK_1, 0x80 },
 181        { WM8996_AIF1_RX_LRCLK_2, 0x0 },
 182        { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
 183        { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
 184        { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
 185        { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
 186        { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
 187        { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
 188        { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
 189        { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
 190        { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
 191        { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
 192        { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
 193        { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
 194        { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
 195        { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
 196        { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
 197        { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
 198        { WM8996_AIF1TX_TEST, 0x7 },
 199        { WM8996_AIF2_CONTROL, 0x0 },
 200        { WM8996_AIF2_BCLK, 0x0 },
 201        { WM8996_AIF2_TX_LRCLK_1, 0x80 },
 202        { WM8996_AIF2_TX_LRCLK_2, 0x8 },
 203        { WM8996_AIF2_RX_LRCLK_1, 0x80 },
 204        { WM8996_AIF2_RX_LRCLK_2, 0x0 },
 205        { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
 206        { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
 207        { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
 208        { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
 209        { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
 210        { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
 211        { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
 212        { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
 213        { WM8996_AIF2TX_TEST, 0x1 },
 214        { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
 215        { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
 216        { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
 217        { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
 218        { WM8996_DSP1_TX_FILTERS, 0x2000 },
 219        { WM8996_DSP1_RX_FILTERS_1, 0x200 },
 220        { WM8996_DSP1_RX_FILTERS_2, 0x10 },
 221        { WM8996_DSP1_DRC_1, 0x98 },
 222        { WM8996_DSP1_DRC_2, 0x845 },
 223        { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
 224        { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
 225        { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
 226        { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
 227        { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
 228        { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
 229        { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
 230        { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
 231        { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
 232        { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
 233        { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
 234        { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
 235        { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
 236        { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
 237        { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
 238        { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
 239        { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
 240        { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
 241        { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
 242        { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
 243        { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
 244        { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
 245        { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
 246        { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
 247        { WM8996_DSP2_TX_FILTERS, 0x2000 },
 248        { WM8996_DSP2_RX_FILTERS_1, 0x200 },
 249        { WM8996_DSP2_RX_FILTERS_2, 0x10 },
 250        { WM8996_DSP2_DRC_1, 0x98 },
 251        { WM8996_DSP2_DRC_2, 0x845 },
 252        { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
 253        { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
 254        { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
 255        { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
 256        { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
 257        { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
 258        { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
 259        { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
 260        { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
 261        { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
 262        { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
 263        { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
 264        { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
 265        { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
 266        { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
 267        { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
 268        { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
 269        { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
 270        { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
 271        { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
 272        { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
 273        { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
 274        { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
 275        { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
 276        { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
 277        { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
 278        { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
 279        { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
 280        { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
 281        { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
 282        { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
 283        { WM8996_DAC_SOFTMUTE, 0x0 },
 284        { WM8996_OVERSAMPLING, 0xd },
 285        { WM8996_SIDETONE, 0x1040 },
 286        { WM8996_GPIO_1, 0xa101 },
 287        { WM8996_GPIO_2, 0xa101 },
 288        { WM8996_GPIO_3, 0xa101 },
 289        { WM8996_GPIO_4, 0xa101 },
 290        { WM8996_GPIO_5, 0xa101 },
 291        { WM8996_PULL_CONTROL_1, 0x0 },
 292        { WM8996_PULL_CONTROL_2, 0x140 },
 293        { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
 294        { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
 295        { WM8996_LEFT_PDM_SPEAKER, 0x0 },
 296        { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
 297        { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
 298        { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
 299};
 300
 301static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
 302static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
 303static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
 304static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
 305static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
 306static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
 307static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
 308static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
 309
 310static const char *sidetone_hpf_text[] = {
 311        "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
 312};
 313
 314static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
 315                            WM8996_SIDETONE, 7, sidetone_hpf_text);
 316
 317static const char *hpf_mode_text[] = {
 318        "HiFi", "Custom", "Voice"
 319};
 320
 321static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
 322                            WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
 323
 324static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
 325                            WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
 326
 327static const char *hpf_cutoff_text[] = {
 328        "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 329};
 330
 331static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
 332                            WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
 333
 334static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
 335                            WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
 336
 337static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
 338{
 339        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 340        struct wm8996_pdata *pdata = &wm8996->pdata;
 341        int base, best, best_val, save, i, cfg, iface;
 342
 343        if (!wm8996->num_retune_mobile_texts)
 344                return;
 345
 346        switch (block) {
 347        case 0:
 348                base = WM8996_DSP1_RX_EQ_GAINS_1;
 349                if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
 350                    WM8996_DSP1RX_SRC)
 351                        iface = 1;
 352                else
 353                        iface = 0;
 354                break;
 355        case 1:
 356                base = WM8996_DSP1_RX_EQ_GAINS_2;
 357                if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
 358                    WM8996_DSP2RX_SRC)
 359                        iface = 1;
 360                else
 361                        iface = 0;
 362                break;
 363        default:
 364                return;
 365        }
 366
 367        /* Find the version of the currently selected configuration
 368         * with the nearest sample rate. */
 369        cfg = wm8996->retune_mobile_cfg[block];
 370        best = 0;
 371        best_val = INT_MAX;
 372        for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
 373                if (strcmp(pdata->retune_mobile_cfgs[i].name,
 374                           wm8996->retune_mobile_texts[cfg]) == 0 &&
 375                    abs(pdata->retune_mobile_cfgs[i].rate
 376                        - wm8996->rx_rate[iface]) < best_val) {
 377                        best = i;
 378                        best_val = abs(pdata->retune_mobile_cfgs[i].rate
 379                                       - wm8996->rx_rate[iface]);
 380                }
 381        }
 382
 383        dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
 384                block,
 385                pdata->retune_mobile_cfgs[best].name,
 386                pdata->retune_mobile_cfgs[best].rate,
 387                wm8996->rx_rate[iface]);
 388
 389        /* The EQ will be disabled while reconfiguring it, remember the
 390         * current configuration. 
 391         */
 392        save = snd_soc_read(codec, base);
 393        save &= WM8996_DSP1RX_EQ_ENA;
 394
 395        for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
 396                snd_soc_update_bits(codec, base + i, 0xffff,
 397                                    pdata->retune_mobile_cfgs[best].regs[i]);
 398
 399        snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
 400}
 401
 402/* Icky as hell but saves code duplication */
 403static int wm8996_get_retune_mobile_block(const char *name)
 404{
 405        if (strcmp(name, "DSP1 EQ Mode") == 0)
 406                return 0;
 407        if (strcmp(name, "DSP2 EQ Mode") == 0)
 408                return 1;
 409        return -EINVAL;
 410}
 411
 412static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 413                                         struct snd_ctl_elem_value *ucontrol)
 414{
 415        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 416        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 417        struct wm8996_pdata *pdata = &wm8996->pdata;
 418        int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 419        int value = ucontrol->value.integer.value[0];
 420
 421        if (block < 0)
 422                return block;
 423
 424        if (value >= pdata->num_retune_mobile_cfgs)
 425                return -EINVAL;
 426
 427        wm8996->retune_mobile_cfg[block] = value;
 428
 429        wm8996_set_retune_mobile(codec, block);
 430
 431        return 0;
 432}
 433
 434static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 435                                         struct snd_ctl_elem_value *ucontrol)
 436{
 437        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 438        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 439        int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 440
 441        if (block < 0)
 442                return block;
 443        ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
 444
 445        return 0;
 446}
 447
 448static const struct snd_kcontrol_new wm8996_snd_controls[] = {
 449SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
 450                 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
 451SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
 452             WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
 453
 454SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
 455               0, 5, 24, 0, sidetone_tlv),
 456SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
 457               0, 5, 24, 0, sidetone_tlv),
 458SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
 459SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
 460SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
 461
 462SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
 463                 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
 464SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
 465                 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
 466
 467SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
 468           13, 1, 0),
 469SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
 470SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
 471SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
 472
 473SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
 474           13, 1, 0),
 475SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
 476SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
 477SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
 478
 479SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
 480                 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 481SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
 482
 483SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
 484                 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 485SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
 486
 487SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
 488                 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 489SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
 490             WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
 491
 492SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
 493                 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 494SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
 495             WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
 496
 497SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
 498SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
 499SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
 500SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
 501
 502SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
 503SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
 504
 505SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
 506SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
 507
 508SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
 509                0, threedstereo_tlv),
 510SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
 511                0, threedstereo_tlv),
 512
 513SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
 514               8, 0, out_digital_tlv),
 515SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
 516               8, 0, out_digital_tlv),
 517
 518SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
 519                 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
 520SOC_DOUBLE_R("Output 1 ZC Switch",  WM8996_OUTPUT1_LEFT_VOLUME,
 521             WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
 522
 523SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
 524                 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
 525SOC_DOUBLE_R("Output 2 ZC Switch",  WM8996_OUTPUT2_LEFT_VOLUME,
 526             WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
 527
 528SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
 529               spk_tlv),
 530SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
 531             WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
 532SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
 533             WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
 534
 535SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
 536SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
 537
 538SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
 539SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
 540SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
 541SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
 542                   WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
 543                   WM8996_DSP1TXR_DRC_ENA),
 544
 545SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
 546SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
 547SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
 548SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
 549                   WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
 550                   WM8996_DSP2TXR_DRC_ENA),
 551};
 552
 553static const struct snd_kcontrol_new wm8996_eq_controls[] = {
 554SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
 555               eq_tlv),
 556SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
 557               eq_tlv),
 558SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
 559               eq_tlv),
 560SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
 561               eq_tlv),
 562SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
 563               eq_tlv),
 564
 565SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
 566               eq_tlv),
 567SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
 568               eq_tlv),
 569SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
 570               eq_tlv),
 571SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
 572               eq_tlv),
 573SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
 574               eq_tlv),
 575};
 576
 577static void wm8996_bg_enable(struct snd_soc_codec *codec)
 578{
 579        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 580
 581        wm8996->bg_ena++;
 582        if (wm8996->bg_ena == 1) {
 583                snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
 584                                    WM8996_BG_ENA, WM8996_BG_ENA);
 585                msleep(2);
 586        }
 587}
 588
 589static void wm8996_bg_disable(struct snd_soc_codec *codec)
 590{
 591        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 592
 593        wm8996->bg_ena--;
 594        if (!wm8996->bg_ena)
 595                snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
 596                                    WM8996_BG_ENA, 0);
 597}
 598
 599static int bg_event(struct snd_soc_dapm_widget *w,
 600                    struct snd_kcontrol *kcontrol, int event)
 601{
 602        struct snd_soc_codec *codec = w->codec;
 603        int ret = 0;
 604
 605        switch (event) {
 606        case SND_SOC_DAPM_PRE_PMU:
 607                wm8996_bg_enable(codec);
 608                break;
 609        case SND_SOC_DAPM_POST_PMD:
 610                wm8996_bg_disable(codec);
 611                break;
 612        default:
 613                WARN(1, "Invalid event %d\n", event);
 614                ret = -EINVAL;
 615        }
 616
 617        return ret;
 618}
 619
 620static int cp_event(struct snd_soc_dapm_widget *w,
 621                    struct snd_kcontrol *kcontrol, int event)
 622{
 623        int ret = 0;
 624
 625        switch (event) {
 626        case SND_SOC_DAPM_POST_PMU:
 627                msleep(5);
 628                break;
 629        default:
 630                WARN(1, "Invalid event %d\n", event);
 631                ret = -EINVAL;
 632        }
 633
 634        return 0;
 635}
 636
 637static int rmv_short_event(struct snd_soc_dapm_widget *w,
 638                           struct snd_kcontrol *kcontrol, int event)
 639{
 640        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
 641
 642        /* Record which outputs we enabled */
 643        switch (event) {
 644        case SND_SOC_DAPM_PRE_PMD:
 645                wm8996->hpout_pending &= ~w->shift;
 646                break;
 647        case SND_SOC_DAPM_PRE_PMU:
 648                wm8996->hpout_pending |= w->shift;
 649                break;
 650        default:
 651                WARN(1, "Invalid event %d\n", event);
 652                return -EINVAL;
 653        }
 654
 655        return 0;
 656}
 657
 658static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
 659{
 660        struct i2c_client *i2c = to_i2c_client(codec->dev);
 661        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 662        int ret;
 663        unsigned long timeout = 200;
 664
 665        snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
 666
 667        /* Use the interrupt if possible */
 668        do {
 669                if (i2c->irq) {
 670                        timeout = wait_for_completion_timeout(&wm8996->dcs_done,
 671                                                              msecs_to_jiffies(200));
 672                        if (timeout == 0)
 673                                dev_err(codec->dev, "DC servo timed out\n");
 674
 675                } else {
 676                        msleep(1);
 677                        timeout--;
 678                }
 679
 680                ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
 681                dev_dbg(codec->dev, "DC servo state: %x\n", ret);
 682        } while (timeout && ret & mask);
 683
 684        if (timeout == 0)
 685                dev_err(codec->dev, "DC servo timed out for %x\n", mask);
 686        else
 687                dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
 688}
 689
 690static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
 691                                enum snd_soc_dapm_type event, int subseq)
 692{
 693        struct snd_soc_codec *codec = container_of(dapm,
 694                                                   struct snd_soc_codec, dapm);
 695        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 696        u16 val, mask;
 697
 698        /* Complete any pending DC servo starts */
 699        if (wm8996->dcs_pending) {
 700                dev_dbg(codec->dev, "Starting DC servo for %x\n",
 701                        wm8996->dcs_pending);
 702
 703                /* Trigger a startup sequence */
 704                wait_for_dc_servo(codec, wm8996->dcs_pending
 705                                         << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
 706
 707                wm8996->dcs_pending = 0;
 708        }
 709
 710        if (wm8996->hpout_pending != wm8996->hpout_ena) {
 711                dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
 712                        wm8996->hpout_ena, wm8996->hpout_pending);
 713
 714                val = 0;
 715                mask = 0;
 716                if (wm8996->hpout_pending & HPOUT1L) {
 717                        val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
 718                        mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
 719                } else {
 720                        mask |= WM8996_HPOUT1L_RMV_SHORT |
 721                                WM8996_HPOUT1L_OUTP |
 722                                WM8996_HPOUT1L_DLY;
 723                }
 724
 725                if (wm8996->hpout_pending & HPOUT1R) {
 726                        val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
 727                        mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
 728                } else {
 729                        mask |= WM8996_HPOUT1R_RMV_SHORT |
 730                                WM8996_HPOUT1R_OUTP |
 731                                WM8996_HPOUT1R_DLY;
 732                }
 733
 734                snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
 735
 736                val = 0;
 737                mask = 0;
 738                if (wm8996->hpout_pending & HPOUT2L) {
 739                        val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
 740                        mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
 741                } else {
 742                        mask |= WM8996_HPOUT2L_RMV_SHORT |
 743                                WM8996_HPOUT2L_OUTP |
 744                                WM8996_HPOUT2L_DLY;
 745                }
 746
 747                if (wm8996->hpout_pending & HPOUT2R) {
 748                        val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
 749                        mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
 750                } else {
 751                        mask |= WM8996_HPOUT2R_RMV_SHORT |
 752                                WM8996_HPOUT2R_OUTP |
 753                                WM8996_HPOUT2R_DLY;
 754                }
 755
 756                snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
 757
 758                wm8996->hpout_ena = wm8996->hpout_pending;
 759        }
 760}
 761
 762static int dcs_start(struct snd_soc_dapm_widget *w,
 763                     struct snd_kcontrol *kcontrol, int event)
 764{
 765        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
 766
 767        switch (event) {
 768        case SND_SOC_DAPM_POST_PMU:
 769                wm8996->dcs_pending |= 1 << w->shift;
 770                break;
 771        default:
 772                WARN(1, "Invalid event %d\n", event);
 773                return -EINVAL;
 774        }
 775
 776        return 0;
 777}
 778
 779static const char *sidetone_text[] = {
 780        "IN1", "IN2",
 781};
 782
 783static SOC_ENUM_SINGLE_DECL(left_sidetone_enum,
 784                            WM8996_SIDETONE, 0, sidetone_text);
 785
 786static const struct snd_kcontrol_new left_sidetone =
 787        SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
 788
 789static SOC_ENUM_SINGLE_DECL(right_sidetone_enum,
 790                            WM8996_SIDETONE, 1, sidetone_text);
 791
 792static const struct snd_kcontrol_new right_sidetone =
 793        SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
 794
 795static const char *spk_text[] = {
 796        "DAC1L", "DAC1R", "DAC2L", "DAC2R"
 797};
 798
 799static SOC_ENUM_SINGLE_DECL(spkl_enum,
 800                            WM8996_LEFT_PDM_SPEAKER, 0, spk_text);
 801
 802static const struct snd_kcontrol_new spkl_mux =
 803        SOC_DAPM_ENUM("SPKL", spkl_enum);
 804
 805static SOC_ENUM_SINGLE_DECL(spkr_enum,
 806                            WM8996_RIGHT_PDM_SPEAKER, 0, spk_text);
 807
 808static const struct snd_kcontrol_new spkr_mux =
 809        SOC_DAPM_ENUM("SPKR", spkr_enum);
 810
 811static const char *dsp1rx_text[] = {
 812        "AIF1", "AIF2"
 813};
 814
 815static SOC_ENUM_SINGLE_DECL(dsp1rx_enum,
 816                            WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text);
 817
 818static const struct snd_kcontrol_new dsp1rx =
 819        SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
 820
 821static const char *dsp2rx_text[] = {
 822         "AIF2", "AIF1"
 823};
 824
 825static SOC_ENUM_SINGLE_DECL(dsp2rx_enum,
 826                            WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text);
 827
 828static const struct snd_kcontrol_new dsp2rx =
 829        SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
 830
 831static const char *aif2tx_text[] = {
 832        "DSP2", "DSP1", "AIF1"
 833};
 834
 835static SOC_ENUM_SINGLE_DECL(aif2tx_enum,
 836                            WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text);
 837
 838static const struct snd_kcontrol_new aif2tx =
 839        SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
 840
 841static const char *inmux_text[] = {
 842        "ADC", "DMIC1", "DMIC2"
 843};
 844
 845static SOC_ENUM_SINGLE_DECL(in1_enum,
 846                            WM8996_POWER_MANAGEMENT_7, 0, inmux_text);
 847
 848static const struct snd_kcontrol_new in1_mux =
 849        SOC_DAPM_ENUM("IN1 Mux", in1_enum);
 850
 851static SOC_ENUM_SINGLE_DECL(in2_enum,
 852                            WM8996_POWER_MANAGEMENT_7, 4, inmux_text);
 853
 854static const struct snd_kcontrol_new in2_mux =
 855        SOC_DAPM_ENUM("IN2 Mux", in2_enum);
 856
 857static const struct snd_kcontrol_new dac2r_mix[] = {
 858SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
 859                5, 1, 0),
 860SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
 861                4, 1, 0),
 862SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
 863SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
 864};
 865
 866static const struct snd_kcontrol_new dac2l_mix[] = {
 867SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
 868                5, 1, 0),
 869SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
 870                4, 1, 0),
 871SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
 872SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
 873};
 874
 875static const struct snd_kcontrol_new dac1r_mix[] = {
 876SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
 877                5, 1, 0),
 878SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
 879                4, 1, 0),
 880SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
 881SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
 882};
 883
 884static const struct snd_kcontrol_new dac1l_mix[] = {
 885SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
 886                5, 1, 0),
 887SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
 888                4, 1, 0),
 889SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
 890SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
 891};
 892
 893static const struct snd_kcontrol_new dsp1txl[] = {
 894SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
 895                1, 1, 0),
 896SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
 897                0, 1, 0),
 898};
 899
 900static const struct snd_kcontrol_new dsp1txr[] = {
 901SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
 902                1, 1, 0),
 903SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
 904                0, 1, 0),
 905};
 906
 907static const struct snd_kcontrol_new dsp2txl[] = {
 908SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
 909                1, 1, 0),
 910SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
 911                0, 1, 0),
 912};
 913
 914static const struct snd_kcontrol_new dsp2txr[] = {
 915SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
 916                1, 1, 0),
 917SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
 918                0, 1, 0),
 919};
 920
 921
 922static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
 923SND_SOC_DAPM_INPUT("IN1LN"),
 924SND_SOC_DAPM_INPUT("IN1LP"),
 925SND_SOC_DAPM_INPUT("IN1RN"),
 926SND_SOC_DAPM_INPUT("IN1RP"),
 927
 928SND_SOC_DAPM_INPUT("IN2LN"),
 929SND_SOC_DAPM_INPUT("IN2LP"),
 930SND_SOC_DAPM_INPUT("IN2RN"),
 931SND_SOC_DAPM_INPUT("IN2RP"),
 932
 933SND_SOC_DAPM_INPUT("DMIC1DAT"),
 934SND_SOC_DAPM_INPUT("DMIC2DAT"),
 935
 936SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
 937SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
 938SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
 939SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
 940SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
 941                      SND_SOC_DAPM_POST_PMU),
 942SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
 943                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 944SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
 945SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
 946SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
 947SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
 948SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
 949
 950SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
 951SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
 952
 953SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
 954SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
 955SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
 956SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
 957
 958SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
 959SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
 960
 961SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
 962SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
 963SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
 964SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
 965
 966SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
 967SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
 968
 969SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
 970SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
 971
 972SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
 973SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
 974SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
 975SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
 976
 977SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
 978                   dsp2txl, ARRAY_SIZE(dsp2txl)),
 979SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
 980                   dsp2txr, ARRAY_SIZE(dsp2txr)),
 981SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
 982                   dsp1txl, ARRAY_SIZE(dsp1txl)),
 983SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
 984                   dsp1txr, ARRAY_SIZE(dsp1txr)),
 985
 986SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
 987                   dac2l_mix, ARRAY_SIZE(dac2l_mix)),
 988SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
 989                   dac2r_mix, ARRAY_SIZE(dac2r_mix)),
 990SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
 991                   dac1l_mix, ARRAY_SIZE(dac1l_mix)),
 992SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
 993                   dac1r_mix, ARRAY_SIZE(dac1r_mix)),
 994
 995SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
 996SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
 997SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
 998SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
 999
1000SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
1001SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
1002
1003SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
1004SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
1005
1006SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
1007SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
1008SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
1009SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
1010SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
1011SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
1012
1013SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
1014SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
1015SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
1016SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
1017SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
1018SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
1019
1020/* We route as stereo pairs so define some dummy widgets to squash
1021 * things down for now.  RXA = 0,1, RXB = 2,3 and so on */
1022SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1023SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1024SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1025SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1026SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1027
1028SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1029SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1030SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1031
1032SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1033SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1034SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1035SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1036
1037SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1038SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1039SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1040                   SND_SOC_DAPM_POST_PMU),
1041SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1042                   rmv_short_event,
1043                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1044
1045SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1046SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1047SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1048                   SND_SOC_DAPM_POST_PMU),
1049SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1050                   rmv_short_event,
1051                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1052
1053SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1054SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1055SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1056                   SND_SOC_DAPM_POST_PMU),
1057SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1058                   rmv_short_event,
1059                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1060
1061SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1062SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1063SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1064                   SND_SOC_DAPM_POST_PMU),
1065SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1066                   rmv_short_event,
1067                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1068
1069SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1070SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1071SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1072SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1073SND_SOC_DAPM_OUTPUT("SPKDAT"),
1074};
1075
1076static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1077        { "AIFCLK", NULL, "SYSCLK" },
1078        { "SYSDSPCLK", NULL, "SYSCLK" },
1079        { "Charge Pump", NULL, "SYSCLK" },
1080        { "Charge Pump", NULL, "CPVDD" },
1081
1082        { "MICB1", NULL, "LDO2" },
1083        { "MICB1", NULL, "MICB1 Audio" },
1084        { "MICB1", NULL, "Bandgap" },
1085        { "MICB2", NULL, "LDO2" },
1086        { "MICB2", NULL, "MICB2 Audio" },
1087        { "MICB2", NULL, "Bandgap" },
1088
1089        { "AIF1RX0", NULL, "AIF1 Playback" },
1090        { "AIF1RX1", NULL, "AIF1 Playback" },
1091        { "AIF1RX2", NULL, "AIF1 Playback" },
1092        { "AIF1RX3", NULL, "AIF1 Playback" },
1093        { "AIF1RX4", NULL, "AIF1 Playback" },
1094        { "AIF1RX5", NULL, "AIF1 Playback" },
1095
1096        { "AIF2RX0", NULL, "AIF2 Playback" },
1097        { "AIF2RX1", NULL, "AIF2 Playback" },
1098
1099        { "AIF1 Capture", NULL, "AIF1TX0" },
1100        { "AIF1 Capture", NULL, "AIF1TX1" },
1101        { "AIF1 Capture", NULL, "AIF1TX2" },
1102        { "AIF1 Capture", NULL, "AIF1TX3" },
1103        { "AIF1 Capture", NULL, "AIF1TX4" },
1104        { "AIF1 Capture", NULL, "AIF1TX5" },
1105
1106        { "AIF2 Capture", NULL, "AIF2TX0" },
1107        { "AIF2 Capture", NULL, "AIF2TX1" },
1108
1109        { "IN1L PGA", NULL, "IN2LN" },
1110        { "IN1L PGA", NULL, "IN2LP" },
1111        { "IN1L PGA", NULL, "IN1LN" },
1112        { "IN1L PGA", NULL, "IN1LP" },
1113        { "IN1L PGA", NULL, "Bandgap" },
1114
1115        { "IN1R PGA", NULL, "IN2RN" },
1116        { "IN1R PGA", NULL, "IN2RP" },
1117        { "IN1R PGA", NULL, "IN1RN" },
1118        { "IN1R PGA", NULL, "IN1RP" },
1119        { "IN1R PGA", NULL, "Bandgap" },
1120
1121        { "ADCL", NULL, "IN1L PGA" },
1122
1123        { "ADCR", NULL, "IN1R PGA" },
1124
1125        { "DMIC1L", NULL, "DMIC1DAT" },
1126        { "DMIC1R", NULL, "DMIC1DAT" },
1127        { "DMIC2L", NULL, "DMIC2DAT" },
1128        { "DMIC2R", NULL, "DMIC2DAT" },
1129
1130        { "DMIC2L", NULL, "DMIC2" },
1131        { "DMIC2R", NULL, "DMIC2" },
1132        { "DMIC1L", NULL, "DMIC1" },
1133        { "DMIC1R", NULL, "DMIC1" },
1134
1135        { "IN1L Mux", "ADC", "ADCL" },
1136        { "IN1L Mux", "DMIC1", "DMIC1L" },
1137        { "IN1L Mux", "DMIC2", "DMIC2L" },
1138
1139        { "IN1R Mux", "ADC", "ADCR" },
1140        { "IN1R Mux", "DMIC1", "DMIC1R" },
1141        { "IN1R Mux", "DMIC2", "DMIC2R" },
1142
1143        { "IN2L Mux", "ADC", "ADCL" },
1144        { "IN2L Mux", "DMIC1", "DMIC1L" },
1145        { "IN2L Mux", "DMIC2", "DMIC2L" },
1146
1147        { "IN2R Mux", "ADC", "ADCR" },
1148        { "IN2R Mux", "DMIC1", "DMIC1R" },
1149        { "IN2R Mux", "DMIC2", "DMIC2R" },
1150
1151        { "Left Sidetone", "IN1", "IN1L Mux" },
1152        { "Left Sidetone", "IN2", "IN2L Mux" },
1153
1154        { "Right Sidetone", "IN1", "IN1R Mux" },
1155        { "Right Sidetone", "IN2", "IN2R Mux" },
1156
1157        { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1158        { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1159
1160        { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1161        { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1162
1163        { "AIF1TX0", NULL, "DSP1TXL" },
1164        { "AIF1TX1", NULL, "DSP1TXR" },
1165        { "AIF1TX2", NULL, "DSP2TXL" },
1166        { "AIF1TX3", NULL, "DSP2TXR" },
1167        { "AIF1TX4", NULL, "AIF2RX0" },
1168        { "AIF1TX5", NULL, "AIF2RX1" },
1169
1170        { "AIF1RX0", NULL, "AIFCLK" },
1171        { "AIF1RX1", NULL, "AIFCLK" },
1172        { "AIF1RX2", NULL, "AIFCLK" },
1173        { "AIF1RX3", NULL, "AIFCLK" },
1174        { "AIF1RX4", NULL, "AIFCLK" },
1175        { "AIF1RX5", NULL, "AIFCLK" },
1176
1177        { "AIF2RX0", NULL, "AIFCLK" },
1178        { "AIF2RX1", NULL, "AIFCLK" },
1179
1180        { "AIF1TX0", NULL, "AIFCLK" },
1181        { "AIF1TX1", NULL, "AIFCLK" },
1182        { "AIF1TX2", NULL, "AIFCLK" },
1183        { "AIF1TX3", NULL, "AIFCLK" },
1184        { "AIF1TX4", NULL, "AIFCLK" },
1185        { "AIF1TX5", NULL, "AIFCLK" },
1186
1187        { "AIF2TX0", NULL, "AIFCLK" },
1188        { "AIF2TX1", NULL, "AIFCLK" },
1189
1190        { "DSP1RXL", NULL, "SYSDSPCLK" },
1191        { "DSP1RXR", NULL, "SYSDSPCLK" },
1192        { "DSP2RXL", NULL, "SYSDSPCLK" },
1193        { "DSP2RXR", NULL, "SYSDSPCLK" },
1194        { "DSP1TXL", NULL, "SYSDSPCLK" },
1195        { "DSP1TXR", NULL, "SYSDSPCLK" },
1196        { "DSP2TXL", NULL, "SYSDSPCLK" },
1197        { "DSP2TXR", NULL, "SYSDSPCLK" },
1198
1199        { "AIF1RXA", NULL, "AIF1RX0" },
1200        { "AIF1RXA", NULL, "AIF1RX1" },
1201        { "AIF1RXB", NULL, "AIF1RX2" },
1202        { "AIF1RXB", NULL, "AIF1RX3" },
1203        { "AIF1RXC", NULL, "AIF1RX4" },
1204        { "AIF1RXC", NULL, "AIF1RX5" },
1205
1206        { "AIF2RX", NULL, "AIF2RX0" },
1207        { "AIF2RX", NULL, "AIF2RX1" },
1208
1209        { "AIF2TX", "DSP2", "DSP2TX" },
1210        { "AIF2TX", "DSP1", "DSP1RX" },
1211        { "AIF2TX", "AIF1", "AIF1RXC" },
1212
1213        { "DSP1RXL", NULL, "DSP1RX" },
1214        { "DSP1RXR", NULL, "DSP1RX" },
1215        { "DSP2RXL", NULL, "DSP2RX" },
1216        { "DSP2RXR", NULL, "DSP2RX" },
1217
1218        { "DSP2TX", NULL, "DSP2TXL" },
1219        { "DSP2TX", NULL, "DSP2TXR" },
1220
1221        { "DSP1RX", "AIF1", "AIF1RXA" },
1222        { "DSP1RX", "AIF2", "AIF2RX" },
1223
1224        { "DSP2RX", "AIF1", "AIF1RXB" },
1225        { "DSP2RX", "AIF2", "AIF2RX" },
1226
1227        { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1228        { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1229        { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1230        { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1231
1232        { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1233        { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1234        { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1235        { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1236
1237        { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1238        { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1239        { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1240        { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1241
1242        { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1243        { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1244        { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1245        { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1246
1247        { "DAC1L", NULL, "DAC1L Mixer" },
1248        { "DAC1R", NULL, "DAC1R Mixer" },
1249        { "DAC2L", NULL, "DAC2L Mixer" },
1250        { "DAC2R", NULL, "DAC2R Mixer" },
1251
1252        { "HPOUT2L PGA", NULL, "Charge Pump" },
1253        { "HPOUT2L PGA", NULL, "Bandgap" },
1254        { "HPOUT2L PGA", NULL, "DAC2L" },
1255        { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1256        { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1257        { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
1258
1259        { "HPOUT2R PGA", NULL, "Charge Pump" },
1260        { "HPOUT2R PGA", NULL, "Bandgap" },
1261        { "HPOUT2R PGA", NULL, "DAC2R" },
1262        { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1263        { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1264        { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
1265
1266        { "HPOUT1L PGA", NULL, "Charge Pump" },
1267        { "HPOUT1L PGA", NULL, "Bandgap" },
1268        { "HPOUT1L PGA", NULL, "DAC1L" },
1269        { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1270        { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1271        { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
1272
1273        { "HPOUT1R PGA", NULL, "Charge Pump" },
1274        { "HPOUT1R PGA", NULL, "Bandgap" },
1275        { "HPOUT1R PGA", NULL, "DAC1R" },
1276        { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1277        { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1278        { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
1279
1280        { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1281        { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1282        { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1283        { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1284
1285        { "SPKL", "DAC1L", "DAC1L" },
1286        { "SPKL", "DAC1R", "DAC1R" },
1287        { "SPKL", "DAC2L", "DAC2L" },
1288        { "SPKL", "DAC2R", "DAC2R" },
1289
1290        { "SPKR", "DAC1L", "DAC1L" },
1291        { "SPKR", "DAC1R", "DAC1R" },
1292        { "SPKR", "DAC2L", "DAC2L" },
1293        { "SPKR", "DAC2R", "DAC2R" },
1294
1295        { "SPKL PGA", NULL, "SPKL" },
1296        { "SPKR PGA", NULL, "SPKR" },
1297
1298        { "SPKDAT", NULL, "SPKL PGA" },
1299        { "SPKDAT", NULL, "SPKR PGA" },
1300};
1301
1302static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1303{
1304        /* Due to the sparseness of the register map the compiler
1305         * output from an explicit switch statement ends up being much
1306         * more efficient than a table.
1307         */
1308        switch (reg) {
1309        case WM8996_SOFTWARE_RESET:
1310        case WM8996_POWER_MANAGEMENT_1:
1311        case WM8996_POWER_MANAGEMENT_2:
1312        case WM8996_POWER_MANAGEMENT_3:
1313        case WM8996_POWER_MANAGEMENT_4:
1314        case WM8996_POWER_MANAGEMENT_5:
1315        case WM8996_POWER_MANAGEMENT_6:
1316        case WM8996_POWER_MANAGEMENT_7:
1317        case WM8996_POWER_MANAGEMENT_8:
1318        case WM8996_LEFT_LINE_INPUT_VOLUME:
1319        case WM8996_RIGHT_LINE_INPUT_VOLUME:
1320        case WM8996_LINE_INPUT_CONTROL:
1321        case WM8996_DAC1_HPOUT1_VOLUME:
1322        case WM8996_DAC2_HPOUT2_VOLUME:
1323        case WM8996_DAC1_LEFT_VOLUME:
1324        case WM8996_DAC1_RIGHT_VOLUME:
1325        case WM8996_DAC2_LEFT_VOLUME:
1326        case WM8996_DAC2_RIGHT_VOLUME:
1327        case WM8996_OUTPUT1_LEFT_VOLUME:
1328        case WM8996_OUTPUT1_RIGHT_VOLUME:
1329        case WM8996_OUTPUT2_LEFT_VOLUME:
1330        case WM8996_OUTPUT2_RIGHT_VOLUME:
1331        case WM8996_MICBIAS_1:
1332        case WM8996_MICBIAS_2:
1333        case WM8996_LDO_1:
1334        case WM8996_LDO_2:
1335        case WM8996_ACCESSORY_DETECT_MODE_1:
1336        case WM8996_ACCESSORY_DETECT_MODE_2:
1337        case WM8996_HEADPHONE_DETECT_1:
1338        case WM8996_HEADPHONE_DETECT_2:
1339        case WM8996_MIC_DETECT_1:
1340        case WM8996_MIC_DETECT_2:
1341        case WM8996_MIC_DETECT_3:
1342        case WM8996_CHARGE_PUMP_1:
1343        case WM8996_CHARGE_PUMP_2:
1344        case WM8996_DC_SERVO_1:
1345        case WM8996_DC_SERVO_2:
1346        case WM8996_DC_SERVO_3:
1347        case WM8996_DC_SERVO_5:
1348        case WM8996_DC_SERVO_6:
1349        case WM8996_DC_SERVO_7:
1350        case WM8996_DC_SERVO_READBACK_0:
1351        case WM8996_ANALOGUE_HP_1:
1352        case WM8996_ANALOGUE_HP_2:
1353        case WM8996_CHIP_REVISION:
1354        case WM8996_CONTROL_INTERFACE_1:
1355        case WM8996_WRITE_SEQUENCER_CTRL_1:
1356        case WM8996_WRITE_SEQUENCER_CTRL_2:
1357        case WM8996_AIF_CLOCKING_1:
1358        case WM8996_AIF_CLOCKING_2:
1359        case WM8996_CLOCKING_1:
1360        case WM8996_CLOCKING_2:
1361        case WM8996_AIF_RATE:
1362        case WM8996_FLL_CONTROL_1:
1363        case WM8996_FLL_CONTROL_2:
1364        case WM8996_FLL_CONTROL_3:
1365        case WM8996_FLL_CONTROL_4:
1366        case WM8996_FLL_CONTROL_5:
1367        case WM8996_FLL_CONTROL_6:
1368        case WM8996_FLL_EFS_1:
1369        case WM8996_FLL_EFS_2:
1370        case WM8996_AIF1_CONTROL:
1371        case WM8996_AIF1_BCLK:
1372        case WM8996_AIF1_TX_LRCLK_1:
1373        case WM8996_AIF1_TX_LRCLK_2:
1374        case WM8996_AIF1_RX_LRCLK_1:
1375        case WM8996_AIF1_RX_LRCLK_2:
1376        case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1377        case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1378        case WM8996_AIF1RX_DATA_CONFIGURATION:
1379        case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1380        case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1381        case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1382        case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1383        case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1384        case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1385        case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1386        case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1387        case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1388        case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1389        case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1390        case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1391        case WM8996_AIF1RX_MONO_CONFIGURATION:
1392        case WM8996_AIF1TX_TEST:
1393        case WM8996_AIF2_CONTROL:
1394        case WM8996_AIF2_BCLK:
1395        case WM8996_AIF2_TX_LRCLK_1:
1396        case WM8996_AIF2_TX_LRCLK_2:
1397        case WM8996_AIF2_RX_LRCLK_1:
1398        case WM8996_AIF2_RX_LRCLK_2:
1399        case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1400        case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1401        case WM8996_AIF2RX_DATA_CONFIGURATION:
1402        case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1403        case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1404        case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1405        case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1406        case WM8996_AIF2RX_MONO_CONFIGURATION:
1407        case WM8996_AIF2TX_TEST:
1408        case WM8996_DSP1_TX_LEFT_VOLUME:
1409        case WM8996_DSP1_TX_RIGHT_VOLUME:
1410        case WM8996_DSP1_RX_LEFT_VOLUME:
1411        case WM8996_DSP1_RX_RIGHT_VOLUME:
1412        case WM8996_DSP1_TX_FILTERS:
1413        case WM8996_DSP1_RX_FILTERS_1:
1414        case WM8996_DSP1_RX_FILTERS_2:
1415        case WM8996_DSP1_DRC_1:
1416        case WM8996_DSP1_DRC_2:
1417        case WM8996_DSP1_DRC_3:
1418        case WM8996_DSP1_DRC_4:
1419        case WM8996_DSP1_DRC_5:
1420        case WM8996_DSP1_RX_EQ_GAINS_1:
1421        case WM8996_DSP1_RX_EQ_GAINS_2:
1422        case WM8996_DSP1_RX_EQ_BAND_1_A:
1423        case WM8996_DSP1_RX_EQ_BAND_1_B:
1424        case WM8996_DSP1_RX_EQ_BAND_1_PG:
1425        case WM8996_DSP1_RX_EQ_BAND_2_A:
1426        case WM8996_DSP1_RX_EQ_BAND_2_B:
1427        case WM8996_DSP1_RX_EQ_BAND_2_C:
1428        case WM8996_DSP1_RX_EQ_BAND_2_PG:
1429        case WM8996_DSP1_RX_EQ_BAND_3_A:
1430        case WM8996_DSP1_RX_EQ_BAND_3_B:
1431        case WM8996_DSP1_RX_EQ_BAND_3_C:
1432        case WM8996_DSP1_RX_EQ_BAND_3_PG:
1433        case WM8996_DSP1_RX_EQ_BAND_4_A:
1434        case WM8996_DSP1_RX_EQ_BAND_4_B:
1435        case WM8996_DSP1_RX_EQ_BAND_4_C:
1436        case WM8996_DSP1_RX_EQ_BAND_4_PG:
1437        case WM8996_DSP1_RX_EQ_BAND_5_A:
1438        case WM8996_DSP1_RX_EQ_BAND_5_B:
1439        case WM8996_DSP1_RX_EQ_BAND_5_PG:
1440        case WM8996_DSP2_TX_LEFT_VOLUME:
1441        case WM8996_DSP2_TX_RIGHT_VOLUME:
1442        case WM8996_DSP2_RX_LEFT_VOLUME:
1443        case WM8996_DSP2_RX_RIGHT_VOLUME:
1444        case WM8996_DSP2_TX_FILTERS:
1445        case WM8996_DSP2_RX_FILTERS_1:
1446        case WM8996_DSP2_RX_FILTERS_2:
1447        case WM8996_DSP2_DRC_1:
1448        case WM8996_DSP2_DRC_2:
1449        case WM8996_DSP2_DRC_3:
1450        case WM8996_DSP2_DRC_4:
1451        case WM8996_DSP2_DRC_5:
1452        case WM8996_DSP2_RX_EQ_GAINS_1:
1453        case WM8996_DSP2_RX_EQ_GAINS_2:
1454        case WM8996_DSP2_RX_EQ_BAND_1_A:
1455        case WM8996_DSP2_RX_EQ_BAND_1_B:
1456        case WM8996_DSP2_RX_EQ_BAND_1_PG:
1457        case WM8996_DSP2_RX_EQ_BAND_2_A:
1458        case WM8996_DSP2_RX_EQ_BAND_2_B:
1459        case WM8996_DSP2_RX_EQ_BAND_2_C:
1460        case WM8996_DSP2_RX_EQ_BAND_2_PG:
1461        case WM8996_DSP2_RX_EQ_BAND_3_A:
1462        case WM8996_DSP2_RX_EQ_BAND_3_B:
1463        case WM8996_DSP2_RX_EQ_BAND_3_C:
1464        case WM8996_DSP2_RX_EQ_BAND_3_PG:
1465        case WM8996_DSP2_RX_EQ_BAND_4_A:
1466        case WM8996_DSP2_RX_EQ_BAND_4_B:
1467        case WM8996_DSP2_RX_EQ_BAND_4_C:
1468        case WM8996_DSP2_RX_EQ_BAND_4_PG:
1469        case WM8996_DSP2_RX_EQ_BAND_5_A:
1470        case WM8996_DSP2_RX_EQ_BAND_5_B:
1471        case WM8996_DSP2_RX_EQ_BAND_5_PG:
1472        case WM8996_DAC1_MIXER_VOLUMES:
1473        case WM8996_DAC1_LEFT_MIXER_ROUTING:
1474        case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1475        case WM8996_DAC2_MIXER_VOLUMES:
1476        case WM8996_DAC2_LEFT_MIXER_ROUTING:
1477        case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1478        case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1479        case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1480        case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1481        case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1482        case WM8996_DSP_TX_MIXER_SELECT:
1483        case WM8996_DAC_SOFTMUTE:
1484        case WM8996_OVERSAMPLING:
1485        case WM8996_SIDETONE:
1486        case WM8996_GPIO_1:
1487        case WM8996_GPIO_2:
1488        case WM8996_GPIO_3:
1489        case WM8996_GPIO_4:
1490        case WM8996_GPIO_5:
1491        case WM8996_PULL_CONTROL_1:
1492        case WM8996_PULL_CONTROL_2:
1493        case WM8996_INTERRUPT_STATUS_1:
1494        case WM8996_INTERRUPT_STATUS_2:
1495        case WM8996_INTERRUPT_RAW_STATUS_2:
1496        case WM8996_INTERRUPT_STATUS_1_MASK:
1497        case WM8996_INTERRUPT_STATUS_2_MASK:
1498        case WM8996_INTERRUPT_CONTROL:
1499        case WM8996_LEFT_PDM_SPEAKER:
1500        case WM8996_RIGHT_PDM_SPEAKER:
1501        case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1502        case WM8996_PDM_SPEAKER_VOLUME:
1503                return 1;
1504        default:
1505                return 0;
1506        }
1507}
1508
1509static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1510{
1511        switch (reg) {
1512        case WM8996_SOFTWARE_RESET:
1513        case WM8996_CHIP_REVISION:
1514        case WM8996_LDO_1:
1515        case WM8996_LDO_2:
1516        case WM8996_INTERRUPT_STATUS_1:
1517        case WM8996_INTERRUPT_STATUS_2:
1518        case WM8996_INTERRUPT_RAW_STATUS_2:
1519        case WM8996_DC_SERVO_READBACK_0:
1520        case WM8996_DC_SERVO_2:
1521        case WM8996_DC_SERVO_6:
1522        case WM8996_DC_SERVO_7:
1523        case WM8996_FLL_CONTROL_6:
1524        case WM8996_MIC_DETECT_3:
1525        case WM8996_HEADPHONE_DETECT_1:
1526        case WM8996_HEADPHONE_DETECT_2:
1527                return 1;
1528        default:
1529                return 0;
1530        }
1531}
1532
1533static const int bclk_divs[] = {
1534        1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1535};
1536
1537static void wm8996_update_bclk(struct snd_soc_codec *codec)
1538{
1539        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1540        int aif, best, cur_val, bclk_rate, bclk_reg, i;
1541
1542        /* Don't bother if we're in a low frequency idle mode that
1543         * can't support audio.
1544         */
1545        if (wm8996->sysclk < 64000)
1546                return;
1547
1548        for (aif = 0; aif < WM8996_AIFS; aif++) {
1549                switch (aif) {
1550                case 0:
1551                        bclk_reg = WM8996_AIF1_BCLK;
1552                        break;
1553                case 1:
1554                        bclk_reg = WM8996_AIF2_BCLK;
1555                        break;
1556                }
1557
1558                bclk_rate = wm8996->bclk_rate[aif];
1559
1560                /* Pick a divisor for BCLK as close as we can get to ideal */
1561                best = 0;
1562                for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1563                        cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1564                        if (cur_val < 0) /* BCLK table is sorted */
1565                                break;
1566                        best = i;
1567                }
1568                bclk_rate = wm8996->sysclk / bclk_divs[best];
1569                dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1570                        bclk_divs[best], bclk_rate);
1571
1572                snd_soc_update_bits(codec, bclk_reg,
1573                                    WM8996_AIF1_BCLK_DIV_MASK, best);
1574        }
1575}
1576
1577static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1578                                 enum snd_soc_bias_level level)
1579{
1580        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1581        int ret;
1582
1583        switch (level) {
1584        case SND_SOC_BIAS_ON:
1585                break;
1586        case SND_SOC_BIAS_PREPARE:
1587                /* Put the MICBIASes into regulating mode */
1588                snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1589                                    WM8996_MICB1_MODE, 0);
1590                snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1591                                    WM8996_MICB2_MODE, 0);
1592                break;
1593
1594        case SND_SOC_BIAS_STANDBY:
1595                if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1596                        ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1597                                                    wm8996->supplies);
1598                        if (ret != 0) {
1599                                dev_err(codec->dev,
1600                                        "Failed to enable supplies: %d\n",
1601                                        ret);
1602                                return ret;
1603                        }
1604
1605                        if (wm8996->pdata.ldo_ena >= 0) {
1606                                gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1607                                                        1);
1608                                msleep(5);
1609                        }
1610
1611                        regcache_cache_only(wm8996->regmap, false);
1612                        regcache_sync(wm8996->regmap);
1613                }
1614
1615                /* Bypass the MICBIASes for lowest power */
1616                snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1617                                    WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1618                snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1619                                    WM8996_MICB2_MODE, WM8996_MICB2_MODE);
1620                break;
1621
1622        case SND_SOC_BIAS_OFF:
1623                regcache_cache_only(wm8996->regmap, true);
1624                if (wm8996->pdata.ldo_ena >= 0) {
1625                        gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1626                        regcache_cache_only(wm8996->regmap, true);
1627                }
1628                regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1629                                       wm8996->supplies);
1630                break;
1631        }
1632
1633        codec->dapm.bias_level = level;
1634
1635        return 0;
1636}
1637
1638static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1639{
1640        struct snd_soc_codec *codec = dai->codec;
1641        int aifctrl = 0;
1642        int bclk = 0;
1643        int lrclk_tx = 0;
1644        int lrclk_rx = 0;
1645        int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1646
1647        switch (dai->id) {
1648        case 0:
1649                aifctrl_reg = WM8996_AIF1_CONTROL;
1650                bclk_reg = WM8996_AIF1_BCLK;
1651                lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1652                lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1653                break;
1654        case 1:
1655                aifctrl_reg = WM8996_AIF2_CONTROL;
1656                bclk_reg = WM8996_AIF2_BCLK;
1657                lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1658                lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1659                break;
1660        default:
1661                WARN(1, "Invalid dai id %d\n", dai->id);
1662                return -EINVAL;
1663        }
1664
1665        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1666        case SND_SOC_DAIFMT_NB_NF:
1667                break;
1668        case SND_SOC_DAIFMT_IB_NF:
1669                bclk |= WM8996_AIF1_BCLK_INV;
1670                break;
1671        case SND_SOC_DAIFMT_NB_IF:
1672                lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1673                lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1674                break;
1675        case SND_SOC_DAIFMT_IB_IF:
1676                bclk |= WM8996_AIF1_BCLK_INV;
1677                lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1678                lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1679                break;
1680        }
1681
1682        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1683        case SND_SOC_DAIFMT_CBS_CFS:
1684                break;
1685        case SND_SOC_DAIFMT_CBS_CFM:
1686                lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1687                lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1688                break;
1689        case SND_SOC_DAIFMT_CBM_CFS:
1690                bclk |= WM8996_AIF1_BCLK_MSTR;
1691                break;
1692        case SND_SOC_DAIFMT_CBM_CFM:
1693                bclk |= WM8996_AIF1_BCLK_MSTR;
1694                lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1695                lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1696                break;
1697        default:
1698                return -EINVAL;
1699        }
1700
1701        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1702        case SND_SOC_DAIFMT_DSP_A:
1703                break;
1704        case SND_SOC_DAIFMT_DSP_B:
1705                aifctrl |= 1;
1706                break;
1707        case SND_SOC_DAIFMT_I2S:
1708                aifctrl |= 2;
1709                break;
1710        case SND_SOC_DAIFMT_LEFT_J:
1711                aifctrl |= 3;
1712                break;
1713        default:
1714                return -EINVAL;
1715        }
1716
1717        snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1718        snd_soc_update_bits(codec, bclk_reg,
1719                            WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1720                            bclk);
1721        snd_soc_update_bits(codec, lrclk_tx_reg,
1722                            WM8996_AIF1TX_LRCLK_INV |
1723                            WM8996_AIF1TX_LRCLK_MSTR,
1724                            lrclk_tx);
1725        snd_soc_update_bits(codec, lrclk_rx_reg,
1726                            WM8996_AIF1RX_LRCLK_INV |
1727                            WM8996_AIF1RX_LRCLK_MSTR,
1728                            lrclk_rx);
1729
1730        return 0;
1731}
1732
1733static const int dsp_divs[] = {
1734        48000, 32000, 16000, 8000
1735};
1736
1737static int wm8996_hw_params(struct snd_pcm_substream *substream,
1738                            struct snd_pcm_hw_params *params,
1739                            struct snd_soc_dai *dai)
1740{
1741        struct snd_soc_codec *codec = dai->codec;
1742        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1743        int bits, i, bclk_rate, best;
1744        int aifdata = 0;
1745        int lrclk = 0;
1746        int dsp = 0;
1747        int aifdata_reg, lrclk_reg, dsp_shift;
1748
1749        switch (dai->id) {
1750        case 0:
1751                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1752                    (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1753                        aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1754                        lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1755                } else {
1756                        aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1757                        lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1758                }
1759                dsp_shift = 0;
1760                break;
1761        case 1:
1762                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1763                    (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1764                        aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1765                        lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1766                } else {
1767                        aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1768                        lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1769                }
1770                dsp_shift = WM8996_DSP2_DIV_SHIFT;
1771                break;
1772        default:
1773                WARN(1, "Invalid dai id %d\n", dai->id);
1774                return -EINVAL;
1775        }
1776
1777        bclk_rate = snd_soc_params_to_bclk(params);
1778        if (bclk_rate < 0) {
1779                dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1780                return bclk_rate;
1781        }
1782
1783        wm8996->bclk_rate[dai->id] = bclk_rate;
1784        wm8996->rx_rate[dai->id] = params_rate(params);
1785
1786        /* Needs looking at for TDM */
1787        bits = snd_pcm_format_width(params_format(params));
1788        if (bits < 0)
1789                return bits;
1790        aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1791
1792        best = 0;
1793        for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1794                if (abs(dsp_divs[i] - params_rate(params)) <
1795                    abs(dsp_divs[best] - params_rate(params)))
1796                        best = i;
1797        }
1798        dsp |= i << dsp_shift;
1799
1800        wm8996_update_bclk(codec);
1801
1802        lrclk = bclk_rate / params_rate(params);
1803        dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1804                lrclk, bclk_rate / lrclk);
1805
1806        snd_soc_update_bits(codec, aifdata_reg,
1807                            WM8996_AIF1TX_WL_MASK |
1808                            WM8996_AIF1TX_SLOT_LEN_MASK,
1809                            aifdata);
1810        snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1811                            lrclk);
1812        snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1813                            WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1814
1815        return 0;
1816}
1817
1818static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1819                int clk_id, unsigned int freq, int dir)
1820{
1821        struct snd_soc_codec *codec = dai->codec;
1822        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1823        int lfclk = 0;
1824        int ratediv = 0;
1825        int sync = WM8996_REG_SYNC;
1826        int src;
1827        int old;
1828
1829        if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1830                return 0;
1831
1832        /* Disable SYSCLK while we reconfigure */
1833        old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1834        snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1835                            WM8996_SYSCLK_ENA, 0);
1836
1837        switch (clk_id) {
1838        case WM8996_SYSCLK_MCLK1:
1839                wm8996->sysclk = freq;
1840                src = 0;
1841                break;
1842        case WM8996_SYSCLK_MCLK2:
1843                wm8996->sysclk = freq;
1844                src = 1;
1845                break;
1846        case WM8996_SYSCLK_FLL:
1847                wm8996->sysclk = freq;
1848                src = 2;
1849                break;
1850        default:
1851                dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
1852                return -EINVAL;
1853        }
1854
1855        switch (wm8996->sysclk) {
1856        case 5644800:
1857        case 6144000:
1858                snd_soc_update_bits(codec, WM8996_AIF_RATE,
1859                                    WM8996_SYSCLK_RATE, 0);
1860                break;
1861        case 22579200:
1862        case 24576000:
1863                ratediv = WM8996_SYSCLK_DIV;
1864                wm8996->sysclk /= 2;
1865        case 11289600:
1866        case 12288000:
1867                snd_soc_update_bits(codec, WM8996_AIF_RATE,
1868                                    WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1869                break;
1870        case 32000:
1871        case 32768:
1872                lfclk = WM8996_LFCLK_ENA;
1873                sync = 0;
1874                break;
1875        default:
1876                dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1877                         wm8996->sysclk);
1878                return -EINVAL;
1879        }
1880
1881        wm8996_update_bclk(codec);
1882
1883        snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1884                            WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1885                            src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1886        snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1887        snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
1888                            WM8996_REG_SYNC, sync);
1889        snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1890                            WM8996_SYSCLK_ENA, old);
1891
1892        wm8996->sysclk_src = clk_id;
1893
1894        return 0;
1895}
1896
1897struct _fll_div {
1898        u16 fll_fratio;
1899        u16 fll_outdiv;
1900        u16 fll_refclk_div;
1901        u16 fll_loop_gain;
1902        u16 fll_ref_freq;
1903        u16 n;
1904        u16 theta;
1905        u16 lambda;
1906};
1907
1908static struct {
1909        unsigned int min;
1910        unsigned int max;
1911        u16 fll_fratio;
1912        int ratio;
1913} fll_fratios[] = {
1914        {       0,    64000, 4, 16 },
1915        {   64000,   128000, 3,  8 },
1916        {  128000,   256000, 2,  4 },
1917        {  256000,  1000000, 1,  2 },
1918        { 1000000, 13500000, 0,  1 },
1919};
1920
1921static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1922                       unsigned int Fout)
1923{
1924        unsigned int target;
1925        unsigned int div;
1926        unsigned int fratio, gcd_fll;
1927        int i;
1928
1929        /* Fref must be <=13.5MHz */
1930        div = 1;
1931        fll_div->fll_refclk_div = 0;
1932        while ((Fref / div) > 13500000) {
1933                div *= 2;
1934                fll_div->fll_refclk_div++;
1935
1936                if (div > 8) {
1937                        pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1938                               Fref);
1939                        return -EINVAL;
1940                }
1941        }
1942
1943        pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1944
1945        /* Apply the division for our remaining calculations */
1946        Fref /= div;
1947
1948        if (Fref >= 3000000)
1949                fll_div->fll_loop_gain = 5;
1950        else
1951                fll_div->fll_loop_gain = 0;
1952
1953        if (Fref >= 48000)
1954                fll_div->fll_ref_freq = 0;
1955        else
1956                fll_div->fll_ref_freq = 1;
1957
1958        /* Fvco should be 90-100MHz; don't check the upper bound */
1959        div = 2;
1960        while (Fout * div < 90000000) {
1961                div++;
1962                if (div > 64) {
1963                        pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1964                               Fout);
1965                        return -EINVAL;
1966                }
1967        }
1968        target = Fout * div;
1969        fll_div->fll_outdiv = div - 1;
1970
1971        pr_debug("FLL Fvco=%dHz\n", target);
1972
1973        /* Find an appropraite FLL_FRATIO and factor it out of the target */
1974        for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1975                if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1976                        fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1977                        fratio = fll_fratios[i].ratio;
1978                        break;
1979                }
1980        }
1981        if (i == ARRAY_SIZE(fll_fratios)) {
1982                pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1983                return -EINVAL;
1984        }
1985
1986        fll_div->n = target / (fratio * Fref);
1987
1988        if (target % Fref == 0) {
1989                fll_div->theta = 0;
1990                fll_div->lambda = 0;
1991        } else {
1992                gcd_fll = gcd(target, fratio * Fref);
1993
1994                fll_div->theta = (target - (fll_div->n * fratio * Fref))
1995                        / gcd_fll;
1996                fll_div->lambda = (fratio * Fref) / gcd_fll;
1997        }
1998
1999        pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
2000                 fll_div->n, fll_div->theta, fll_div->lambda);
2001        pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
2002                 fll_div->fll_fratio, fll_div->fll_outdiv,
2003                 fll_div->fll_refclk_div);
2004
2005        return 0;
2006}
2007
2008static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2009                          unsigned int Fref, unsigned int Fout)
2010{
2011        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2012        struct i2c_client *i2c = to_i2c_client(codec->dev);
2013        struct _fll_div fll_div;
2014        unsigned long timeout;
2015        int ret, reg, retry;
2016
2017        /* Any change? */
2018        if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2019            Fout == wm8996->fll_fout)
2020                return 0;
2021
2022        if (Fout == 0) {
2023                dev_dbg(codec->dev, "FLL disabled\n");
2024
2025                wm8996->fll_fref = 0;
2026                wm8996->fll_fout = 0;
2027
2028                snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2029                                    WM8996_FLL_ENA, 0);
2030
2031                wm8996_bg_disable(codec);
2032
2033                return 0;
2034        }
2035
2036        ret = fll_factors(&fll_div, Fref, Fout);
2037        if (ret != 0)
2038                return ret;
2039
2040        switch (source) {
2041        case WM8996_FLL_MCLK1:
2042                reg = 0;
2043                break;
2044        case WM8996_FLL_MCLK2:
2045                reg = 1;
2046                break;
2047        case WM8996_FLL_DACLRCLK1:
2048                reg = 2;
2049                break;
2050        case WM8996_FLL_BCLK1:
2051                reg = 3;
2052                break;
2053        default:
2054                dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2055                return -EINVAL;
2056        }
2057
2058        reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2059        reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2060
2061        snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2062                            WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2063                            WM8996_FLL_REFCLK_SRC_MASK, reg);
2064
2065        reg = 0;
2066        if (fll_div.theta || fll_div.lambda)
2067                reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2068        else
2069                reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2070        snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2071
2072        snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2073                            WM8996_FLL_OUTDIV_MASK |
2074                            WM8996_FLL_FRATIO_MASK,
2075                            (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2076                            (fll_div.fll_fratio));
2077
2078        snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2079
2080        snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2081                            WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2082                            (fll_div.n << WM8996_FLL_N_SHIFT) |
2083                            fll_div.fll_loop_gain);
2084
2085        snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2086
2087        /* Enable the bandgap if it's not already enabled */
2088        ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2089        if (!(ret & WM8996_FLL_ENA))
2090                wm8996_bg_enable(codec);
2091
2092        /* Clear any pending completions (eg, from failed startups) */
2093        try_wait_for_completion(&wm8996->fll_lock);
2094
2095        snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2096                            WM8996_FLL_ENA, WM8996_FLL_ENA);
2097
2098        /* The FLL supports live reconfiguration - kick that in case we were
2099         * already enabled.
2100         */
2101        snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2102
2103        /* Wait for the FLL to lock, using the interrupt if possible */
2104        if (Fref > 1000000)
2105                timeout = usecs_to_jiffies(300);
2106        else
2107                timeout = msecs_to_jiffies(2);
2108
2109        /* Allow substantially longer if we've actually got the IRQ, poll
2110         * at a slightly higher rate if we don't.
2111         */
2112        if (i2c->irq)
2113                timeout *= 10;
2114        else
2115                timeout /= 2;
2116
2117        for (retry = 0; retry < 10; retry++) {
2118                ret = wait_for_completion_timeout(&wm8996->fll_lock,
2119                                                  timeout);
2120                if (ret != 0) {
2121                        WARN_ON(!i2c->irq);
2122                        break;
2123                }
2124
2125                ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2126                if (ret & WM8996_FLL_LOCK_STS)
2127                        break;
2128        }
2129        if (retry == 10) {
2130                dev_err(codec->dev, "Timed out waiting for FLL\n");
2131                ret = -ETIMEDOUT;
2132        }
2133
2134        dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2135
2136        wm8996->fll_fref = Fref;
2137        wm8996->fll_fout = Fout;
2138        wm8996->fll_src = source;
2139
2140        return ret;
2141}
2142
2143#ifdef CONFIG_GPIOLIB
2144static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
2145{
2146        return container_of(chip, struct wm8996_priv, gpio_chip);
2147}
2148
2149static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2150{
2151        struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2152
2153        regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2154                           WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2155}
2156
2157static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2158                                     unsigned offset, int value)
2159{
2160        struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2161        int val;
2162
2163        val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2164
2165        return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2166                                  WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2167                                  WM8996_GP1_LVL, val);
2168}
2169
2170static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2171{
2172        struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2173        unsigned int reg;
2174        int ret;
2175
2176        ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
2177        if (ret < 0)
2178                return ret;
2179
2180        return (reg & WM8996_GP1_LVL) != 0;
2181}
2182
2183static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2184{
2185        struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2186
2187        return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2188                                  WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2189                                  (1 << WM8996_GP1_FN_SHIFT) |
2190                                  (1 << WM8996_GP1_DIR_SHIFT));
2191}
2192
2193static struct gpio_chip wm8996_template_chip = {
2194        .label                  = "wm8996",
2195        .owner                  = THIS_MODULE,
2196        .direction_output       = wm8996_gpio_direction_out,
2197        .set                    = wm8996_gpio_set,
2198        .direction_input        = wm8996_gpio_direction_in,
2199        .get                    = wm8996_gpio_get,
2200        .can_sleep              = 1,
2201};
2202
2203static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2204{
2205        int ret;
2206
2207        wm8996->gpio_chip = wm8996_template_chip;
2208        wm8996->gpio_chip.ngpio = 5;
2209        wm8996->gpio_chip.dev = wm8996->dev;
2210
2211        if (wm8996->pdata.gpio_base)
2212                wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2213        else
2214                wm8996->gpio_chip.base = -1;
2215
2216        ret = gpiochip_add(&wm8996->gpio_chip);
2217        if (ret != 0)
2218                dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2219}
2220
2221static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2222{
2223        int ret;
2224
2225        ret = gpiochip_remove(&wm8996->gpio_chip);
2226        if (ret != 0)
2227                dev_err(wm8996->dev, "Failed to remove GPIOs: %d\n", ret);
2228}
2229#else
2230static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2231{
2232}
2233
2234static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2235{
2236}
2237#endif
2238
2239/**
2240 * wm8996_detect - Enable default WM8996 jack detection
2241 *
2242 * The WM8996 has advanced accessory detection support for headsets.
2243 * This function provides a default implementation which integrates
2244 * the majority of this functionality with minimal user configuration.
2245 *
2246 * This will detect headset, headphone and short circuit button and
2247 * will also detect inverted microphone ground connections and update
2248 * the polarity of the connections.
2249 */
2250int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2251                  wm8996_polarity_fn polarity_cb)
2252{
2253        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2254        struct snd_soc_dapm_context *dapm = &codec->dapm;
2255
2256        wm8996->jack = jack;
2257        wm8996->detecting = true;
2258        wm8996->polarity_cb = polarity_cb;
2259        wm8996->jack_flips = 0;
2260
2261        if (wm8996->polarity_cb)
2262                wm8996->polarity_cb(codec, 0);
2263
2264        /* Clear discarge to avoid noise during detection */
2265        snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2266                            WM8996_MICB1_DISCH, 0);
2267        snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2268                            WM8996_MICB2_DISCH, 0);
2269
2270        /* LDO2 powers the microphones, SYSCLK clocks detection */
2271        snd_soc_dapm_mutex_lock(dapm);
2272
2273        snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
2274        snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
2275
2276        snd_soc_dapm_mutex_unlock(dapm);
2277
2278        /* We start off just enabling microphone detection - even a
2279         * plain headphone will trigger detection.
2280         */
2281        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2282                            WM8996_MICD_ENA, WM8996_MICD_ENA);
2283
2284        /* Slowest detection rate, gives debounce for initial detection */
2285        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2286                            WM8996_MICD_RATE_MASK,
2287                            WM8996_MICD_RATE_MASK);
2288
2289        /* Enable interrupts and we're off */
2290        snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2291                            WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2292
2293        return 0;
2294}
2295EXPORT_SYMBOL_GPL(wm8996_detect);
2296
2297static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2298{
2299        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2300        int val, reg, report;
2301
2302        /* Assume headphone in error conditions; we need to report
2303         * something or we stall our state machine.
2304         */
2305        report = SND_JACK_HEADPHONE;
2306
2307        reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2308        if (reg < 0) {
2309                dev_err(codec->dev, "Failed to read HPDET status\n");
2310                goto out;
2311        }
2312
2313        if (!(reg & WM8996_HP_DONE)) {
2314                dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2315                goto out;
2316        }
2317
2318        val = reg & WM8996_HP_LVL_MASK;
2319
2320        dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2321
2322        /* If we've got high enough impedence then report as line,
2323         * otherwise assume headphone.
2324         */
2325        if (val >= 126)
2326                report = SND_JACK_LINEOUT;
2327        else
2328                report = SND_JACK_HEADPHONE;
2329
2330out:
2331        if (wm8996->jack_mic)
2332                report |= SND_JACK_MICROPHONE;
2333
2334        snd_soc_jack_report(wm8996->jack, report,
2335                            SND_JACK_LINEOUT | SND_JACK_HEADSET);
2336
2337        wm8996->detecting = false;
2338
2339        /* If the output isn't running re-clamp it */
2340        if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2341              (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2342                snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2343                                    WM8996_HPOUT1L_RMV_SHORT |
2344                                    WM8996_HPOUT1R_RMV_SHORT, 0);
2345
2346        /* Go back to looking at the microphone */
2347        snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2348                            WM8996_JD_MODE_MASK, 0);
2349        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2350                            WM8996_MICD_ENA);
2351
2352        snd_soc_dapm_disable_pin(&codec->dapm, "Bandgap");
2353        snd_soc_dapm_sync(&codec->dapm);
2354}
2355
2356static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2357{
2358        /* Unclamp the output, we can't measure while we're shorting it */
2359        snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2360                            WM8996_HPOUT1L_RMV_SHORT |
2361                            WM8996_HPOUT1R_RMV_SHORT,
2362                            WM8996_HPOUT1L_RMV_SHORT |
2363                            WM8996_HPOUT1R_RMV_SHORT);
2364
2365        /* We need bandgap for HPDET */
2366        snd_soc_dapm_force_enable_pin(&codec->dapm, "Bandgap");
2367        snd_soc_dapm_sync(&codec->dapm);
2368
2369        /* Go into headphone detect left mode */
2370        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2371        snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2372                            WM8996_JD_MODE_MASK, 1);
2373
2374        /* Trigger a measurement */
2375        snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2376                            WM8996_HP_POLL, WM8996_HP_POLL);
2377}
2378
2379static void wm8996_report_headphone(struct snd_soc_codec *codec)
2380{
2381        dev_dbg(codec->dev, "Headphone detected\n");
2382        wm8996_hpdet_start(codec);
2383
2384        /* Increase the detection rate a bit for responsiveness. */
2385        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2386                            WM8996_MICD_RATE_MASK |
2387                            WM8996_MICD_BIAS_STARTTIME_MASK,
2388                            7 << WM8996_MICD_RATE_SHIFT |
2389                            7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2390}
2391
2392static void wm8996_micd(struct snd_soc_codec *codec)
2393{
2394        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2395        int val, reg;
2396
2397        val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2398
2399        dev_dbg(codec->dev, "Microphone event: %x\n", val);
2400
2401        if (!(val & WM8996_MICD_VALID)) {
2402                dev_warn(codec->dev, "Microphone detection state invalid\n");
2403                return;
2404        }
2405
2406        /* No accessory, reset everything and report removal */
2407        if (!(val & WM8996_MICD_STS)) {
2408                dev_dbg(codec->dev, "Jack removal detected\n");
2409                wm8996->jack_mic = false;
2410                wm8996->detecting = true;
2411                wm8996->jack_flips = 0;
2412                snd_soc_jack_report(wm8996->jack, 0,
2413                                    SND_JACK_LINEOUT | SND_JACK_HEADSET |
2414                                    SND_JACK_BTN_0);
2415
2416                snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2417                                    WM8996_MICD_RATE_MASK |
2418                                    WM8996_MICD_BIAS_STARTTIME_MASK,
2419                                    WM8996_MICD_RATE_MASK |
2420                                    9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2421                return;
2422        }
2423
2424        /* If the measurement is very high we've got a microphone,
2425         * either we just detected one or if we already reported then
2426         * we've got a button release event.
2427         */
2428        if (val & 0x400) {
2429                if (wm8996->detecting) {
2430                        dev_dbg(codec->dev, "Microphone detected\n");
2431                        wm8996->jack_mic = true;
2432                        wm8996_hpdet_start(codec);
2433
2434                        /* Increase poll rate to give better responsiveness
2435                         * for buttons */
2436                        snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2437                                            WM8996_MICD_RATE_MASK |
2438                                            WM8996_MICD_BIAS_STARTTIME_MASK,
2439                                            5 << WM8996_MICD_RATE_SHIFT |
2440                                            7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2441                } else {
2442                        dev_dbg(codec->dev, "Mic button up\n");
2443                        snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2444                }
2445
2446                return;
2447        }
2448
2449        /* If we detected a lower impedence during initial startup
2450         * then we probably have the wrong polarity, flip it.  Don't
2451         * do this for the lowest impedences to speed up detection of
2452         * plain headphones.  If both polarities report a low
2453         * impedence then give up and report headphones.
2454         */
2455        if (wm8996->detecting && (val & 0x3f0)) {
2456                wm8996->jack_flips++;
2457
2458                if (wm8996->jack_flips > 1) {
2459                        wm8996_report_headphone(codec);
2460                        return;
2461                }
2462
2463                reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2464                reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2465                        WM8996_MICD_BIAS_SRC;
2466                snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2467                                    WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2468                                    WM8996_MICD_BIAS_SRC, reg);
2469
2470                if (wm8996->polarity_cb)
2471                        wm8996->polarity_cb(codec,
2472                                            (reg & WM8996_MICD_SRC) != 0);
2473
2474                dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2475                        (reg & WM8996_MICD_SRC) != 0);
2476
2477                return;
2478        }
2479
2480        /* Don't distinguish between buttons, just report any low
2481         * impedence as BTN_0.
2482         */
2483        if (val & 0x3fc) {
2484                if (wm8996->jack_mic) {
2485                        dev_dbg(codec->dev, "Mic button detected\n");
2486                        snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2487                                            SND_JACK_BTN_0);
2488                } else if (wm8996->detecting) {
2489                        wm8996_report_headphone(codec);
2490                }
2491        }
2492}
2493
2494static irqreturn_t wm8996_irq(int irq, void *data)
2495{
2496        struct snd_soc_codec *codec = data;
2497        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2498        int irq_val;
2499
2500        irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2501        if (irq_val < 0) {
2502                dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2503                        irq_val);
2504                return IRQ_NONE;
2505        }
2506        irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2507
2508        if (!irq_val)
2509                return IRQ_NONE;
2510
2511        snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2512
2513        if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2514                dev_dbg(codec->dev, "DC servo IRQ\n");
2515                complete(&wm8996->dcs_done);
2516        }
2517
2518        if (irq_val & WM8996_FIFOS_ERR_EINT)
2519                dev_err(codec->dev, "Digital core FIFO error\n");
2520
2521        if (irq_val & WM8996_FLL_LOCK_EINT) {
2522                dev_dbg(codec->dev, "FLL locked\n");
2523                complete(&wm8996->fll_lock);
2524        }
2525
2526        if (irq_val & WM8996_MICD_EINT)
2527                wm8996_micd(codec);
2528
2529        if (irq_val & WM8996_HP_DONE_EINT)
2530                wm8996_hpdet_irq(codec);
2531
2532        return IRQ_HANDLED;
2533}
2534
2535static irqreturn_t wm8996_edge_irq(int irq, void *data)
2536{
2537        irqreturn_t ret = IRQ_NONE;
2538        irqreturn_t val;
2539
2540        do {
2541                val = wm8996_irq(irq, data);
2542                if (val != IRQ_NONE)
2543                        ret = val;
2544        } while (val != IRQ_NONE);
2545
2546        return ret;
2547}
2548
2549static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2550{
2551        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2552        struct wm8996_pdata *pdata = &wm8996->pdata;
2553
2554        struct snd_kcontrol_new controls[] = {
2555                SOC_ENUM_EXT("DSP1 EQ Mode",
2556                             wm8996->retune_mobile_enum,
2557                             wm8996_get_retune_mobile_enum,
2558                             wm8996_put_retune_mobile_enum),
2559                SOC_ENUM_EXT("DSP2 EQ Mode",
2560                             wm8996->retune_mobile_enum,
2561                             wm8996_get_retune_mobile_enum,
2562                             wm8996_put_retune_mobile_enum),
2563        };
2564        int ret, i, j;
2565        const char **t;
2566
2567        /* We need an array of texts for the enum API but the number
2568         * of texts is likely to be less than the number of
2569         * configurations due to the sample rate dependency of the
2570         * configurations. */
2571        wm8996->num_retune_mobile_texts = 0;
2572        wm8996->retune_mobile_texts = NULL;
2573        for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2574                for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2575                        if (strcmp(pdata->retune_mobile_cfgs[i].name,
2576                                   wm8996->retune_mobile_texts[j]) == 0)
2577                                break;
2578                }
2579
2580                if (j != wm8996->num_retune_mobile_texts)
2581                        continue;
2582
2583                /* Expand the array... */
2584                t = krealloc(wm8996->retune_mobile_texts,
2585                             sizeof(char *) * 
2586                             (wm8996->num_retune_mobile_texts + 1),
2587                             GFP_KERNEL);
2588                if (t == NULL)
2589                        continue;
2590
2591                /* ...store the new entry... */
2592                t[wm8996->num_retune_mobile_texts] = 
2593                        pdata->retune_mobile_cfgs[i].name;
2594
2595                /* ...and remember the new version. */
2596                wm8996->num_retune_mobile_texts++;
2597                wm8996->retune_mobile_texts = t;
2598        }
2599
2600        dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2601                wm8996->num_retune_mobile_texts);
2602
2603        wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
2604        wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2605
2606        ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2607        if (ret != 0)
2608                dev_err(codec->dev,
2609                        "Failed to add ReTune Mobile controls: %d\n", ret);
2610}
2611
2612static const struct regmap_config wm8996_regmap = {
2613        .reg_bits = 16,
2614        .val_bits = 16,
2615
2616        .max_register = WM8996_MAX_REGISTER,
2617        .reg_defaults = wm8996_reg,
2618        .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2619        .volatile_reg = wm8996_volatile_register,
2620        .readable_reg = wm8996_readable_register,
2621        .cache_type = REGCACHE_RBTREE,
2622};
2623
2624static int wm8996_probe(struct snd_soc_codec *codec)
2625{
2626        int ret;
2627        struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2628        struct i2c_client *i2c = to_i2c_client(codec->dev);
2629        int irq_flags;
2630
2631        wm8996->codec = codec;
2632
2633        init_completion(&wm8996->dcs_done);
2634        init_completion(&wm8996->fll_lock);
2635
2636        if (wm8996->pdata.num_retune_mobile_cfgs)
2637                wm8996_retune_mobile_pdata(codec);
2638        else
2639                snd_soc_add_codec_controls(codec, wm8996_eq_controls,
2640                                     ARRAY_SIZE(wm8996_eq_controls));
2641
2642        if (i2c->irq) {
2643                if (wm8996->pdata.irq_flags)
2644                        irq_flags = wm8996->pdata.irq_flags;
2645                else
2646                        irq_flags = IRQF_TRIGGER_LOW;
2647
2648                irq_flags |= IRQF_ONESHOT;
2649
2650                if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2651                        ret = request_threaded_irq(i2c->irq, NULL,
2652                                                   wm8996_edge_irq,
2653                                                   irq_flags, "wm8996", codec);
2654                else
2655                        ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2656                                                   irq_flags, "wm8996", codec);
2657
2658                if (ret == 0) {
2659                        /* Unmask the interrupt */
2660                        snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2661                                            WM8996_IM_IRQ, 0);
2662
2663                        /* Enable error reporting and DC servo status */
2664                        snd_soc_update_bits(codec,
2665                                            WM8996_INTERRUPT_STATUS_2_MASK,
2666                                            WM8996_IM_DCS_DONE_23_EINT |
2667                                            WM8996_IM_DCS_DONE_01_EINT |
2668                                            WM8996_IM_FLL_LOCK_EINT |
2669                                            WM8996_IM_FIFOS_ERR_EINT,
2670                                            0);
2671                } else {
2672                        dev_err(codec->dev, "Failed to request IRQ: %d\n",
2673                                ret);
2674                        return ret;
2675                }
2676        }
2677
2678        return 0;
2679}
2680
2681static int wm8996_remove(struct snd_soc_codec *codec)
2682{
2683        struct i2c_client *i2c = to_i2c_client(codec->dev);
2684
2685        snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2686                            WM8996_IM_IRQ, WM8996_IM_IRQ);
2687
2688        if (i2c->irq)
2689                free_irq(i2c->irq, codec);
2690
2691        return 0;
2692}
2693
2694static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
2695        .probe =        wm8996_probe,
2696        .remove =       wm8996_remove,
2697        .set_bias_level = wm8996_set_bias_level,
2698        .idle_bias_off  = true,
2699        .seq_notifier = wm8996_seq_notifier,
2700        .controls = wm8996_snd_controls,
2701        .num_controls = ARRAY_SIZE(wm8996_snd_controls),
2702        .dapm_widgets = wm8996_dapm_widgets,
2703        .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
2704        .dapm_routes = wm8996_dapm_routes,
2705        .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
2706        .set_pll = wm8996_set_fll,
2707};
2708
2709#define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2710                      SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2711                      SNDRV_PCM_RATE_48000)
2712#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2713                        SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2714                        SNDRV_PCM_FMTBIT_S32_LE)
2715
2716static const struct snd_soc_dai_ops wm8996_dai_ops = {
2717        .set_fmt = wm8996_set_fmt,
2718        .hw_params = wm8996_hw_params,
2719        .set_sysclk = wm8996_set_sysclk,
2720};
2721
2722static struct snd_soc_dai_driver wm8996_dai[] = {
2723        {
2724                .name = "wm8996-aif1",
2725                .playback = {
2726                        .stream_name = "AIF1 Playback",
2727                        .channels_min = 1,
2728                        .channels_max = 6,
2729                        .rates = WM8996_RATES,
2730                        .formats = WM8996_FORMATS,
2731                        .sig_bits = 24,
2732                },
2733                .capture = {
2734                         .stream_name = "AIF1 Capture",
2735                         .channels_min = 1,
2736                         .channels_max = 6,
2737                         .rates = WM8996_RATES,
2738                         .formats = WM8996_FORMATS,
2739                         .sig_bits = 24,
2740                 },
2741                .ops = &wm8996_dai_ops,
2742        },
2743        {
2744                .name = "wm8996-aif2",
2745                .playback = {
2746                        .stream_name = "AIF2 Playback",
2747                        .channels_min = 1,
2748                        .channels_max = 2,
2749                        .rates = WM8996_RATES,
2750                        .formats = WM8996_FORMATS,
2751                        .sig_bits = 24,
2752                },
2753                .capture = {
2754                         .stream_name = "AIF2 Capture",
2755                         .channels_min = 1,
2756                         .channels_max = 2,
2757                         .rates = WM8996_RATES,
2758                         .formats = WM8996_FORMATS,
2759                        .sig_bits = 24,
2760                 },
2761                .ops = &wm8996_dai_ops,
2762        },
2763};
2764
2765static int wm8996_i2c_probe(struct i2c_client *i2c,
2766                            const struct i2c_device_id *id)
2767{
2768        struct wm8996_priv *wm8996;
2769        int ret, i;
2770        unsigned int reg;
2771
2772        wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2773                              GFP_KERNEL);
2774        if (wm8996 == NULL)
2775                return -ENOMEM;
2776
2777        i2c_set_clientdata(i2c, wm8996);
2778        wm8996->dev = &i2c->dev;
2779
2780        if (dev_get_platdata(&i2c->dev))
2781                memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2782                       sizeof(wm8996->pdata));
2783
2784        if (wm8996->pdata.ldo_ena > 0) {
2785                ret = gpio_request_one(wm8996->pdata.ldo_ena,
2786                                       GPIOF_OUT_INIT_LOW, "WM8996 ENA");
2787                if (ret < 0) {
2788                        dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
2789                                wm8996->pdata.ldo_ena, ret);
2790                        goto err;
2791                }
2792        }
2793
2794        for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2795                wm8996->supplies[i].supply = wm8996_supply_names[i];
2796
2797        ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2798                                      wm8996->supplies);
2799        if (ret != 0) {
2800                dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2801                goto err_gpio;
2802        }
2803
2804        wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2805        wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2806        wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2807
2808        /* This should really be moved into the regulator core */
2809        for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2810                ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2811                                                  &wm8996->disable_nb[i]);
2812                if (ret != 0) {
2813                        dev_err(&i2c->dev,
2814                                "Failed to register regulator notifier: %d\n",
2815                                ret);
2816                }
2817        }
2818
2819        ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2820                                    wm8996->supplies);
2821        if (ret != 0) {
2822                dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2823                goto err_gpio;
2824        }
2825
2826        if (wm8996->pdata.ldo_ena > 0) {
2827                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2828                msleep(5);
2829        }
2830
2831        wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2832        if (IS_ERR(wm8996->regmap)) {
2833                ret = PTR_ERR(wm8996->regmap);
2834                dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2835                goto err_enable;
2836        }
2837
2838        ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, &reg);
2839        if (ret < 0) {
2840                dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2841                goto err_regmap;
2842        }
2843        if (reg != 0x8915) {
2844                dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2845                ret = -EINVAL;
2846                goto err_regmap;
2847        }
2848
2849        ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, &reg);
2850        if (ret < 0) {
2851                dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2852                        ret);
2853                goto err_regmap;
2854        }
2855
2856        dev_info(&i2c->dev, "revision %c\n",
2857                 (reg & WM8996_CHIP_REV_MASK) + 'A');
2858
2859        if (wm8996->pdata.ldo_ena > 0) {
2860                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2861                regcache_cache_only(wm8996->regmap, true);
2862        } else {
2863                ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2864                                   0x8915);
2865                if (ret != 0) {
2866                        dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2867                        goto err_regmap;
2868                }
2869        }
2870
2871        regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2872
2873        /* Apply platform data settings */
2874        regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2875                           WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2876                           wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2877                           wm8996->pdata.inr_mode);
2878
2879        for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2880                if (!wm8996->pdata.gpio_default[i])
2881                        continue;
2882
2883                regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2884                             wm8996->pdata.gpio_default[i] & 0xffff);
2885        }
2886
2887        if (wm8996->pdata.spkmute_seq)
2888                regmap_update_bits(wm8996->regmap,
2889                                   WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2890                                   WM8996_SPK_MUTE_ENDIAN |
2891                                   WM8996_SPK_MUTE_SEQ1_MASK,
2892                                   wm8996->pdata.spkmute_seq);
2893
2894        regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2895                           WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2896                           WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2897
2898        /* Latch volume update bits */
2899        regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2900                           WM8996_IN1_VU, WM8996_IN1_VU);
2901        regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2902                           WM8996_IN1_VU, WM8996_IN1_VU);
2903
2904        regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2905                           WM8996_DAC1_VU, WM8996_DAC1_VU);
2906        regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2907                           WM8996_DAC1_VU, WM8996_DAC1_VU);
2908        regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2909                           WM8996_DAC2_VU, WM8996_DAC2_VU);
2910        regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2911                           WM8996_DAC2_VU, WM8996_DAC2_VU);
2912
2913        regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2914                           WM8996_DAC1_VU, WM8996_DAC1_VU);
2915        regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2916                           WM8996_DAC1_VU, WM8996_DAC1_VU);
2917        regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2918                           WM8996_DAC2_VU, WM8996_DAC2_VU);
2919        regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2920                           WM8996_DAC2_VU, WM8996_DAC2_VU);
2921
2922        regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2923                           WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2924        regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2925                           WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2926        regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2927                           WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2928        regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2929                           WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2930
2931        regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2932                           WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2933        regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2934                           WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2935        regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2936                           WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2937        regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2938                           WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2939
2940        /* No support currently for the underclocked TDM modes and
2941         * pick a default TDM layout with each channel pair working with
2942         * slots 0 and 1. */
2943        regmap_update_bits(wm8996->regmap,
2944                           WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2945                           WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2946                           WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2947                           1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2948        regmap_update_bits(wm8996->regmap,
2949                           WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2950                           WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2951                           WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2952                           1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2953        regmap_update_bits(wm8996->regmap,
2954                           WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2955                           WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2956                           WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2957                           1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2958        regmap_update_bits(wm8996->regmap,
2959                           WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2960                           WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2961                           WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2962                           1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2963        regmap_update_bits(wm8996->regmap,
2964                           WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2965                           WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2966                           WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2967                           1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2968        regmap_update_bits(wm8996->regmap,
2969                           WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2970                           WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2971                           WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2972                           1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2973
2974        regmap_update_bits(wm8996->regmap,
2975                           WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2976                           WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2977                           WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2978                           1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2979        regmap_update_bits(wm8996->regmap,
2980                           WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2981                           WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2982                           WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2983                           1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2984
2985        regmap_update_bits(wm8996->regmap,
2986                           WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2987                           WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2988                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2989                           1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2990        regmap_update_bits(wm8996->regmap,
2991                           WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2992                           WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2993                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2994                           1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2995        regmap_update_bits(wm8996->regmap,
2996                           WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2997                           WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2998                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2999                           1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
3000        regmap_update_bits(wm8996->regmap,
3001                           WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
3002                           WM8996_AIF1TX_CHAN3_SLOTS_MASK |
3003                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3004                           1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
3005        regmap_update_bits(wm8996->regmap,
3006                           WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
3007                           WM8996_AIF1TX_CHAN4_SLOTS_MASK |
3008                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3009                           1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
3010        regmap_update_bits(wm8996->regmap,
3011                           WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
3012                           WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3013                           WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3014                           1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3015
3016        regmap_update_bits(wm8996->regmap,
3017                           WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3018                           WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3019                           WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3020                           1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3021        regmap_update_bits(wm8996->regmap,
3022                           WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3023                           WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3024                           WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3025                           1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3026
3027        /* If the TX LRCLK pins are not in LRCLK mode configure the
3028         * AIFs to source their clocks from the RX LRCLKs.
3029         */
3030        ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
3031        if (ret != 0) {
3032                dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3033                goto err_regmap;
3034        }
3035
3036        if (reg & WM8996_GP1_FN_MASK)
3037                regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3038                                   WM8996_AIF1TX_LRCLK_MODE,
3039                                   WM8996_AIF1TX_LRCLK_MODE);
3040
3041        ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
3042        if (ret != 0) {
3043                dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3044                goto err_regmap;
3045        }
3046
3047        if (reg & WM8996_GP2_FN_MASK)
3048                regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3049                                   WM8996_AIF2TX_LRCLK_MODE,
3050                                   WM8996_AIF2TX_LRCLK_MODE);
3051
3052        wm8996_init_gpio(wm8996);
3053
3054        ret = snd_soc_register_codec(&i2c->dev,
3055                                     &soc_codec_dev_wm8996, wm8996_dai,
3056                                     ARRAY_SIZE(wm8996_dai));
3057        if (ret < 0)
3058                goto err_gpiolib;
3059
3060        return ret;
3061
3062err_gpiolib:
3063        wm8996_free_gpio(wm8996);
3064err_regmap:
3065err_enable:
3066        if (wm8996->pdata.ldo_ena > 0)
3067                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3068        regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3069err_gpio:
3070        if (wm8996->pdata.ldo_ena > 0)
3071                gpio_free(wm8996->pdata.ldo_ena);
3072err:
3073
3074        return ret;
3075}
3076
3077static int wm8996_i2c_remove(struct i2c_client *client)
3078{
3079        struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3080        int i;
3081
3082        snd_soc_unregister_codec(&client->dev);
3083        wm8996_free_gpio(wm8996);
3084        if (wm8996->pdata.ldo_ena > 0) {
3085                gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3086                gpio_free(wm8996->pdata.ldo_ena);
3087        }
3088        for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3089                regulator_unregister_notifier(wm8996->supplies[i].consumer,
3090                                              &wm8996->disable_nb[i]);
3091
3092        return 0;
3093}
3094
3095static const struct i2c_device_id wm8996_i2c_id[] = {
3096        { "wm8996", 0 },
3097        { }
3098};
3099MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3100
3101static struct i2c_driver wm8996_i2c_driver = {
3102        .driver = {
3103                .name = "wm8996",
3104                .owner = THIS_MODULE,
3105        },
3106        .probe =    wm8996_i2c_probe,
3107        .remove =   wm8996_i2c_remove,
3108        .id_table = wm8996_i2c_id,
3109};
3110
3111module_i2c_driver(wm8996_i2c_driver);
3112
3113MODULE_DESCRIPTION("ASoC WM8996 driver");
3114MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3115MODULE_LICENSE("GPL");
3116