sound/soc/codecs/wm8996.c

   1 /*
   2  * wm8996.c - WM8996 audio codec interface
   3  *
   4  * Copyright 2011-2 Wolfson Microelectronics PLC.
   5  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15 #include <linux/init.h>
  16 #include <linux/completion.h>
  17 #include <linux/delay.h>
  18 #include <linux/pm.h>
  19 #include <linux/gcd.h>
  20 #include <linux/gpio/driver.h>
  21 #include <linux/gpio.h>
  22 #include <linux/i2c.h>
  23 #include <linux/regmap.h>
  24 #include <linux/regulator/consumer.h>
  25 #include <linux/slab.h>
  26 #include <linux/workqueue.h>
  27 #include <sound/core.h>
  28 #include <sound/jack.h>
  29 #include <sound/pcm.h>
  30 #include <sound/pcm_params.h>
  31 #include <sound/soc.h>
  32 #include <sound/initval.h>
  33 #include <sound/tlv.h>
  34 #include <trace/events/asoc.h>
  35
  36 #include <sound/wm8996.h>
  37 #include "wm8996.h"
  38
  39 #define WM8996_AIFS 2
  40
  41 #define HPOUT1L 1
  42 #define HPOUT1R 2
  43 #define HPOUT2L 4
  44 #define HPOUT2R 8
  45
  46 #define WM8996_NUM_SUPPLIES 3
  47 static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
  48         "DBVDD",
  49         "AVDD1",
  50         "AVDD2",
  51 };
  52
  53 struct wm8996_priv {
  54         struct device *dev;
  55         struct regmap *regmap;
  56         struct snd_soc_component *component;
  57
  58         int ldo1ena;
  59
  60         int sysclk;
  61         int sysclk_src;
  62
  63         int fll_src;
  64         int fll_fref;
  65         int fll_fout;
  66
  67         struct completion fll_lock;
  68
  69         u16 dcs_pending;
  70         struct completion dcs_done;
  71
  72         u16 hpout_ena;
  73         u16 hpout_pending;
  74
  75         struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
  76         struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
  77         int bg_ena;
  78
  79         struct wm8996_pdata pdata;
  80
  81         int rx_rate[WM8996_AIFS];
  82         int bclk_rate[WM8996_AIFS];
  83
  84         /* Platform dependant ReTune mobile configuration */
  85         int num_retune_mobile_texts;
  86         const char **retune_mobile_texts;
  87         int retune_mobile_cfg[2];
  88         struct soc_enum retune_mobile_enum;
  89
  90         struct snd_soc_jack *jack;
  91         bool detecting;
  92         bool jack_mic;
  93         int jack_flips;
  94         wm8996_polarity_fn polarity_cb;
  95
  96 #ifdef CONFIG_GPIOLIB
  97         struct gpio_chip gpio_chip;
  98 #endif
  99 };
 100
 101 /* We can't use the same notifier block for more than one supply and
 102  * there's no way I can see to get from a callback to the caller
 103  * except container_of().
 104  */
 105 #define WM8996_REGULATOR_EVENT(n) \
 106 static int wm8996_regulator_event_##n(struct notifier_block *nb, \
 107                                     unsigned long event, void *data)    \
 108 { \
 109         struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
 110                                                   disable_nb[n]); \
 111         if (event & REGULATOR_EVENT_DISABLE) { \
 112                 regcache_mark_dirty(wm8996->regmap);    \
 113         } \
 114         return 0; \
 115 }
 116
 117 WM8996_REGULATOR_EVENT(0)
 118 WM8996_REGULATOR_EVENT(1)
 119 WM8996_REGULATOR_EVENT(2)
 120
 121 static const struct reg_default wm8996_reg[] = {
 122         { WM8996_POWER_MANAGEMENT_1, 0x0 },
 123         { WM8996_POWER_MANAGEMENT_2, 0x0 },
 124         { WM8996_POWER_MANAGEMENT_3, 0x0 },
 125         { WM8996_POWER_MANAGEMENT_4, 0x0 },
 126         { WM8996_POWER_MANAGEMENT_5, 0x0 },
 127         { WM8996_POWER_MANAGEMENT_6, 0x0 },
 128         { WM8996_POWER_MANAGEMENT_7, 0x10 },
 129         { WM8996_POWER_MANAGEMENT_8, 0x0 },
 130         { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
 131         { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
 132         { WM8996_LINE_INPUT_CONTROL, 0x0 },
 133         { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
 134         { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
 135         { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
 136         { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
 137         { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
 138         { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
 139         { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
 140         { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
 141         { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
 142         { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
 143         { WM8996_MICBIAS_1, 0x39 },
 144         { WM8996_MICBIAS_2, 0x39 },
 145         { WM8996_LDO_1, 0x3 },
 146         { WM8996_LDO_2, 0x13 },
 147         { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
 148         { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
 149         { WM8996_HEADPHONE_DETECT_1, 0x20 },
 150         { WM8996_HEADPHONE_DETECT_2, 0x0 },
 151         { WM8996_MIC_DETECT_1, 0x7600 },
 152         { WM8996_MIC_DETECT_2, 0xbf },
 153         { WM8996_CHARGE_PUMP_1, 0x1f25 },
 154         { WM8996_CHARGE_PUMP_2, 0xab19 },
 155         { WM8996_DC_SERVO_1, 0x0 },
 156         { WM8996_DC_SERVO_3, 0x0 },
 157         { WM8996_DC_SERVO_5, 0x2a2a },
 158         { WM8996_DC_SERVO_6, 0x0 },
 159         { WM8996_DC_SERVO_7, 0x0 },
 160         { WM8996_ANALOGUE_HP_1, 0x0 },
 161         { WM8996_ANALOGUE_HP_2, 0x0 },
 162         { WM8996_CONTROL_INTERFACE_1, 0x8004 },
 163         { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
 164         { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
 165         { WM8996_AIF_CLOCKING_1, 0x0 },
 166         { WM8996_AIF_CLOCKING_2, 0x0 },
 167         { WM8996_CLOCKING_1, 0x10 },
 168         { WM8996_CLOCKING_2, 0x0 },
 169         { WM8996_AIF_RATE, 0x83 },
 170         { WM8996_FLL_CONTROL_1, 0x0 },
 171         { WM8996_FLL_CONTROL_2, 0x0 },
 172         { WM8996_FLL_CONTROL_3, 0x0 },
 173         { WM8996_FLL_CONTROL_4, 0x5dc0 },
 174         { WM8996_FLL_CONTROL_5, 0xc84 },
 175         { WM8996_FLL_EFS_1, 0x0 },
 176         { WM8996_FLL_EFS_2, 0x2 },
 177         { WM8996_AIF1_CONTROL, 0x0 },
 178         { WM8996_AIF1_BCLK, 0x0 },
 179         { WM8996_AIF1_TX_LRCLK_1, 0x80 },
 180         { WM8996_AIF1_TX_LRCLK_2, 0x8 },
 181         { WM8996_AIF1_RX_LRCLK_1, 0x80 },
 182         { WM8996_AIF1_RX_LRCLK_2, 0x0 },
 183         { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
 184         { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
 185         { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
 186         { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
 187         { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
 188         { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
 189         { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
 190         { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
 191         { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
 192         { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
 193         { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
 194         { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
 195         { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
 196         { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
 197         { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
 198         { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
 199         { WM8996_AIF1TX_TEST, 0x7 },
 200         { WM8996_AIF2_CONTROL, 0x0 },
 201         { WM8996_AIF2_BCLK, 0x0 },
 202         { WM8996_AIF2_TX_LRCLK_1, 0x80 },
 203         { WM8996_AIF2_TX_LRCLK_2, 0x8 },
 204         { WM8996_AIF2_RX_LRCLK_1, 0x80 },
 205         { WM8996_AIF2_RX_LRCLK_2, 0x0 },
 206         { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
 207         { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
 208         { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
 209         { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
 210         { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
 211         { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
 212         { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
 213         { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
 214         { WM8996_AIF2TX_TEST, 0x1 },
 215         { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
 216         { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
 217         { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
 218         { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
 219         { WM8996_DSP1_TX_FILTERS, 0x2000 },
 220         { WM8996_DSP1_RX_FILTERS_1, 0x200 },
 221         { WM8996_DSP1_RX_FILTERS_2, 0x10 },
 222         { WM8996_DSP1_DRC_1, 0x98 },
 223         { WM8996_DSP1_DRC_2, 0x845 },
 224         { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
 225         { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
 226         { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
 227         { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
 228         { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
 229         { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
 230         { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
 231         { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
 232         { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
 233         { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
 234         { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
 235         { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
 236         { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
 237         { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
 238         { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
 239         { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
 240         { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
 241         { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
 242         { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
 243         { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
 244         { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
 245         { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
 246         { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
 247         { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
 248         { WM8996_DSP2_TX_FILTERS, 0x2000 },
 249         { WM8996_DSP2_RX_FILTERS_1, 0x200 },
 250         { WM8996_DSP2_RX_FILTERS_2, 0x10 },
 251         { WM8996_DSP2_DRC_1, 0x98 },
 252         { WM8996_DSP2_DRC_2, 0x845 },
 253         { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
 254         { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
 255         { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
 256         { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
 257         { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
 258         { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
 259         { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
 260         { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
 261         { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
 262         { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
 263         { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
 264         { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
 265         { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
 266         { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
 267         { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
 268         { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
 269         { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
 270         { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
 271         { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
 272         { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
 273         { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
 274         { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
 275         { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
 276         { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
 277         { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
 278         { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
 279         { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
 280         { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
 281         { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
 282         { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
 283         { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
 284         { WM8996_DAC_SOFTMUTE, 0x0 },
 285         { WM8996_OVERSAMPLING, 0xd },
 286         { WM8996_SIDETONE, 0x1040 },
 287         { WM8996_GPIO_1, 0xa101 },
 288         { WM8996_GPIO_2, 0xa101 },
 289         { WM8996_GPIO_3, 0xa101 },
 290         { WM8996_GPIO_4, 0xa101 },
 291         { WM8996_GPIO_5, 0xa101 },
 292         { WM8996_PULL_CONTROL_1, 0x0 },
 293         { WM8996_PULL_CONTROL_2, 0x140 },
 294         { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
 295         { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
 296         { WM8996_LEFT_PDM_SPEAKER, 0x0 },
 297         { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
 298         { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
 299         { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
 300 };
 301
 302 static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
 303 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
 304 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
 305 static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
 306 static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
 307 static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
 308 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
 309 static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
 310
 311 static const char *sidetone_hpf_text[] = {
 312         "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
 313 };
 314
 315 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
 316                             WM8996_SIDETONE, 7, sidetone_hpf_text);
 317
 318 static const char *hpf_mode_text[] = {
 319         "HiFi", "Custom", "Voice"
 320 };
 321
 322 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
 323                             WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
 324
 325 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
 326                             WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
 327
 328 static const char *hpf_cutoff_text[] = {
 329         "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 330 };
 331
 332 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
 333                             WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
 334
 335 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
 336                             WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
 337
 338 static void wm8996_set_retune_mobile(struct snd_soc_component *component, int block)
 339 {
 340         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 341         struct wm8996_pdata *pdata = &wm8996->pdata;
 342         int base, best, best_val, save, i, cfg, iface;
 343
 344         if (!wm8996->num_retune_mobile_texts)
 345                 return;
 346
 347         switch (block) {
 348         case 0:
 349                 base = WM8996_DSP1_RX_EQ_GAINS_1;
 350                 if (snd_soc_component_read32(component, WM8996_POWER_MANAGEMENT_8) &
 351                     WM8996_DSP1RX_SRC)
 352                         iface = 1;
 353                 else
 354                         iface = 0;
 355                 break;
 356         case 1:
 357                 base = WM8996_DSP1_RX_EQ_GAINS_2;
 358                 if (snd_soc_component_read32(component, WM8996_POWER_MANAGEMENT_8) &
 359                     WM8996_DSP2RX_SRC)
 360                         iface = 1;
 361                 else
 362                         iface = 0;
 363                 break;
 364         default:
 365                 return;
 366         }
 367
 368         /* Find the version of the currently selected configuration
 369          * with the nearest sample rate. */
 370         cfg = wm8996->retune_mobile_cfg[block];
 371         best = 0;
 372         best_val = INT_MAX;
 373         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
 374                 if (strcmp(pdata->retune_mobile_cfgs[i].name,
 375                            wm8996->retune_mobile_texts[cfg]) == 0 &&
 376                     abs(pdata->retune_mobile_cfgs[i].rate
 377                         - wm8996->rx_rate[iface]) < best_val) {
 378                         best = i;
 379                         best_val = abs(pdata->retune_mobile_cfgs[i].rate
 380                                        - wm8996->rx_rate[iface]);
 381                 }
 382         }
 383
 384         dev_dbg(component->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
 385                 block,
 386                 pdata->retune_mobile_cfgs[best].name,
 387                 pdata->retune_mobile_cfgs[best].rate,
 388                 wm8996->rx_rate[iface]);
 389
 390         /* The EQ will be disabled while reconfiguring it, remember the
 391          * current configuration.
 392          */
 393         save = snd_soc_component_read32(component, base);
 394         save &= WM8996_DSP1RX_EQ_ENA;
 395
 396         for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
 397                 snd_soc_component_update_bits(component, base + i, 0xffff,
 398                                     pdata->retune_mobile_cfgs[best].regs[i]);
 399
 400         snd_soc_component_update_bits(component, base, WM8996_DSP1RX_EQ_ENA, save);
 401 }
 402
 403 /* Icky as hell but saves code duplication */
 404 static int wm8996_get_retune_mobile_block(const char *name)
 405 {
 406         if (strcmp(name, "DSP1 EQ Mode") == 0)
 407                 return 0;
 408         if (strcmp(name, "DSP2 EQ Mode") == 0)
 409                 return 1;
 410         return -EINVAL;
 411 }
 412
 413 static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 414                                          struct snd_ctl_elem_value *ucontrol)
 415 {
 416         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 417         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 418         struct wm8996_pdata *pdata = &wm8996->pdata;
 419         int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 420         int value = ucontrol->value.enumerated.item[0];
 421
 422         if (block < 0)
 423                 return block;
 424
 425         if (value >= pdata->num_retune_mobile_cfgs)
 426                 return -EINVAL;
 427
 428         wm8996->retune_mobile_cfg[block] = value;
 429
 430         wm8996_set_retune_mobile(component, block);
 431
 432         return 0;
 433 }
 434
 435 static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 436                                          struct snd_ctl_elem_value *ucontrol)
 437 {
 438         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 439         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 440         int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 441
 442         if (block < 0)
 443                 return block;
 444         ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
 445
 446         return 0;
 447 }
 448
 449 static const struct snd_kcontrol_new wm8996_snd_controls[] = {
 450 SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
 451                  WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
 452 SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
 453              WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
 454
 455 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
 456                0, 5, 24, 0, sidetone_tlv),
 457 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
 458                0, 5, 24, 0, sidetone_tlv),
 459 SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
 460 SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
 461 SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
 462
 463 SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
 464                  WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
 465 SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
 466                  WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
 467
 468 SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
 469            13, 1, 0),
 470 SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
 471 SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
 472 SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
 473
 474 SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
 475            13, 1, 0),
 476 SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
 477 SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
 478 SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
 479
 480 SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
 481                  WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 482 SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
 483
 484 SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
 485                  WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 486 SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
 487
 488 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
 489                  WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 490 SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
 491              WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
 492
 493 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
 494                  WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 495 SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
 496              WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
 497
 498 SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
 499 SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
 500 SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
 501 SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
 502
 503 SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
 504 SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
 505
 506 SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
 507 SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
 508
 509 SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
 510                 0, threedstereo_tlv),
 511 SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
 512                 0, threedstereo_tlv),
 513
 514 SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
 515                8, 0, out_digital_tlv),
 516 SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
 517                8, 0, out_digital_tlv),
 518
 519 SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
 520                  WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
 521 SOC_DOUBLE_R("Output 1 ZC Switch",  WM8996_OUTPUT1_LEFT_VOLUME,
 522              WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
 523
 524 SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
 525                  WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
 526 SOC_DOUBLE_R("Output 2 ZC Switch",  WM8996_OUTPUT2_LEFT_VOLUME,
 527              WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
 528
 529 SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
 530                spk_tlv),
 531 SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
 532              WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
 533 SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
 534              WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
 535
 536 SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
 537 SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
 538
 539 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
 540 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
 541 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
 542 SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
 543                    WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
 544                    WM8996_DSP1TXR_DRC_ENA),
 545
 546 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
 547 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
 548 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
 549 SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
 550                    WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
 551                    WM8996_DSP2TXR_DRC_ENA),
 552 };
 553
 554 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
 555 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
 556                eq_tlv),
 557 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
 558                eq_tlv),
 559 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
 560                eq_tlv),
 561 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
 562                eq_tlv),
 563 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
 564                eq_tlv),
 565
 566 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
 567                eq_tlv),
 568 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
 569                eq_tlv),
 570 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
 571                eq_tlv),
 572 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
 573                eq_tlv),
 574 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
 575                eq_tlv),
 576 };
 577
 578 static void wm8996_bg_enable(struct snd_soc_component *component)
 579 {
 580         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 581
 582         wm8996->bg_ena++;
 583         if (wm8996->bg_ena == 1) {
 584                 snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1,
 585                                     WM8996_BG_ENA, WM8996_BG_ENA);
 586                 msleep(2);
 587         }
 588 }
 589
 590 static void wm8996_bg_disable(struct snd_soc_component *component)
 591 {
 592         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 593
 594         wm8996->bg_ena--;
 595         if (!wm8996->bg_ena)
 596                 snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1,
 597                                     WM8996_BG_ENA, 0);
 598 }
 599
 600 static int bg_event(struct snd_soc_dapm_widget *w,
 601                     struct snd_kcontrol *kcontrol, int event)
 602 {
 603         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 604         int ret = 0;
 605
 606         switch (event) {
 607         case SND_SOC_DAPM_PRE_PMU:
 608                 wm8996_bg_enable(component);
 609                 break;
 610         case SND_SOC_DAPM_POST_PMD:
 611                 wm8996_bg_disable(component);
 612                 break;
 613         default:
 614                 WARN(1, "Invalid event %d\n", event);
 615                 ret = -EINVAL;
 616         }
 617
 618         return ret;
 619 }
 620
 621 static int cp_event(struct snd_soc_dapm_widget *w,
 622                     struct snd_kcontrol *kcontrol, int event)
 623 {
 624         switch (event) {
 625         case SND_SOC_DAPM_POST_PMU:
 626                 msleep(5);
 627                 break;
 628         default:
 629                 WARN(1, "Invalid event %d\n", event);
 630         }
 631
 632         return 0;
 633 }
 634
 635 static int rmv_short_event(struct snd_soc_dapm_widget *w,
 636                            struct snd_kcontrol *kcontrol, int event)
 637 {
 638         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 639         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 640
 641         /* Record which outputs we enabled */
 642         switch (event) {
 643         case SND_SOC_DAPM_PRE_PMD:
 644                 wm8996->hpout_pending &= ~w->shift;
 645                 break;
 646         case SND_SOC_DAPM_PRE_PMU:
 647                 wm8996->hpout_pending |= w->shift;
 648                 break;
 649         default:
 650                 WARN(1, "Invalid event %d\n", event);
 651                 return -EINVAL;
 652         }
 653
 654         return 0;
 655 }
 656
 657 static void wait_for_dc_servo(struct snd_soc_component *component, u16 mask)
 658 {
 659         struct i2c_client *i2c = to_i2c_client(component->dev);
 660         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 661         int ret;
 662         unsigned long timeout = 200;
 663
 664         snd_soc_component_write(component, WM8996_DC_SERVO_2, mask);
 665
 666         /* Use the interrupt if possible */
 667         do {
 668                 if (i2c->irq) {
 669                         timeout = wait_for_completion_timeout(&wm8996->dcs_done,
 670                                                               msecs_to_jiffies(200));
 671                         if (timeout == 0)
 672                                 dev_err(component->dev, "DC servo timed out\n");
 673
 674                 } else {
 675                         msleep(1);
 676                         timeout--;
 677                 }
 678
 679                 ret = snd_soc_component_read32(component, WM8996_DC_SERVO_2);
 680                 dev_dbg(component->dev, "DC servo state: %x\n", ret);
 681         } while (timeout && ret & mask);
 682
 683         if (timeout == 0)
 684                 dev_err(component->dev, "DC servo timed out for %x\n", mask);
 685         else
 686                 dev_dbg(component->dev, "DC servo complete for %x\n", mask);
 687 }
 688
 689 static void wm8996_seq_notifier(struct snd_soc_component *component,
 690                                 enum snd_soc_dapm_type event, int subseq)
 691 {
 692         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 693         u16 val, mask;
 694
 695         /* Complete any pending DC servo starts */
 696         if (wm8996->dcs_pending) {
 697                 dev_dbg(component->dev, "Starting DC servo for %x\n",
 698                         wm8996->dcs_pending);
 699
 700                 /* Trigger a startup sequence */
 701                 wait_for_dc_servo(component, wm8996->dcs_pending
 702                                          << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
 703
 704                 wm8996->dcs_pending = 0;
 705         }
 706
 707         if (wm8996->hpout_pending != wm8996->hpout_ena) {
 708                 dev_dbg(component->dev, "Applying RMV_SHORTs %x->%x\n",
 709                         wm8996->hpout_ena, wm8996->hpout_pending);
 710
 711                 val = 0;
 712                 mask = 0;
 713                 if (wm8996->hpout_pending & HPOUT1L) {
 714                         val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
 715                         mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
 716                 } else {
 717                         mask |= WM8996_HPOUT1L_RMV_SHORT |
 718                                 WM8996_HPOUT1L_OUTP |
 719                                 WM8996_HPOUT1L_DLY;
 720                 }
 721
 722                 if (wm8996->hpout_pending & HPOUT1R) {
 723                         val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
 724                         mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
 725                 } else {
 726                         mask |= WM8996_HPOUT1R_RMV_SHORT |
 727                                 WM8996_HPOUT1R_OUTP |
 728                                 WM8996_HPOUT1R_DLY;
 729                 }
 730
 731                 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, mask, val);
 732
 733                 val = 0;
 734                 mask = 0;
 735                 if (wm8996->hpout_pending & HPOUT2L) {
 736                         val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
 737                         mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
 738                 } else {
 739                         mask |= WM8996_HPOUT2L_RMV_SHORT |
 740                                 WM8996_HPOUT2L_OUTP |
 741                                 WM8996_HPOUT2L_DLY;
 742                 }
 743
 744                 if (wm8996->hpout_pending & HPOUT2R) {
 745                         val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
 746                         mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
 747                 } else {
 748                         mask |= WM8996_HPOUT2R_RMV_SHORT |
 749                                 WM8996_HPOUT2R_OUTP |
 750                                 WM8996_HPOUT2R_DLY;
 751                 }
 752
 753                 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_2, mask, val);
 754
 755                 wm8996->hpout_ena = wm8996->hpout_pending;
 756         }
 757 }
 758
 759 static int dcs_start(struct snd_soc_dapm_widget *w,
 760                      struct snd_kcontrol *kcontrol, int event)
 761 {
 762         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 763         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
 764
 765         switch (event) {
 766         case SND_SOC_DAPM_POST_PMU:
 767                 wm8996->dcs_pending |= 1 << w->shift;
 768                 break;
 769         default:
 770                 WARN(1, "Invalid event %d\n", event);
 771                 return -EINVAL;
 772         }
 773
 774         return 0;
 775 }
 776
 777 static const char *sidetone_text[] = {
 778         "IN1", "IN2",
 779 };
 780
 781 static SOC_ENUM_SINGLE_DECL(left_sidetone_enum,
 782                             WM8996_SIDETONE, 0, sidetone_text);
 783
 784 static const struct snd_kcontrol_new left_sidetone =
 785         SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
 786
 787 static SOC_ENUM_SINGLE_DECL(right_sidetone_enum,
 788                             WM8996_SIDETONE, 1, sidetone_text);
 789
 790 static const struct snd_kcontrol_new right_sidetone =
 791         SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
 792
 793 static const char *spk_text[] = {
 794         "DAC1L", "DAC1R", "DAC2L", "DAC2R"
 795 };
 796
 797 static SOC_ENUM_SINGLE_DECL(spkl_enum,
 798                             WM8996_LEFT_PDM_SPEAKER, 0, spk_text);
 799
 800 static const struct snd_kcontrol_new spkl_mux =
 801         SOC_DAPM_ENUM("SPKL", spkl_enum);
 802
 803 static SOC_ENUM_SINGLE_DECL(spkr_enum,
 804                             WM8996_RIGHT_PDM_SPEAKER, 0, spk_text);
 805
 806 static const struct snd_kcontrol_new spkr_mux =
 807         SOC_DAPM_ENUM("SPKR", spkr_enum);
 808
 809 static const char *dsp1rx_text[] = {
 810         "AIF1", "AIF2"
 811 };
 812
 813 static SOC_ENUM_SINGLE_DECL(dsp1rx_enum,
 814                             WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text);
 815
 816 static const struct snd_kcontrol_new dsp1rx =
 817         SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
 818
 819 static const char *dsp2rx_text[] = {
 820          "AIF2", "AIF1"
 821 };
 822
 823 static SOC_ENUM_SINGLE_DECL(dsp2rx_enum,
 824                             WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text);
 825
 826 static const struct snd_kcontrol_new dsp2rx =
 827         SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
 828
 829 static const char *aif2tx_text[] = {
 830         "DSP2", "DSP1", "AIF1"
 831 };
 832
 833 static SOC_ENUM_SINGLE_DECL(aif2tx_enum,
 834                             WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text);
 835
 836 static const struct snd_kcontrol_new aif2tx =
 837         SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
 838
 839 static const char *inmux_text[] = {
 840         "ADC", "DMIC1", "DMIC2"
 841 };
 842
 843 static SOC_ENUM_SINGLE_DECL(in1_enum,
 844                             WM8996_POWER_MANAGEMENT_7, 0, inmux_text);
 845
 846 static const struct snd_kcontrol_new in1_mux =
 847         SOC_DAPM_ENUM("IN1 Mux", in1_enum);
 848
 849 static SOC_ENUM_SINGLE_DECL(in2_enum,
 850                             WM8996_POWER_MANAGEMENT_7, 4, inmux_text);
 851
 852 static const struct snd_kcontrol_new in2_mux =
 853         SOC_DAPM_ENUM("IN2 Mux", in2_enum);
 854
 855 static const struct snd_kcontrol_new dac2r_mix[] = {
 856 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
 857                 5, 1, 0),
 858 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
 859                 4, 1, 0),
 860 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
 861 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
 862 };
 863
 864 static const struct snd_kcontrol_new dac2l_mix[] = {
 865 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
 866                 5, 1, 0),
 867 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
 868                 4, 1, 0),
 869 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
 870 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
 871 };
 872
 873 static const struct snd_kcontrol_new dac1r_mix[] = {
 874 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
 875                 5, 1, 0),
 876 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
 877                 4, 1, 0),
 878 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
 879 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
 880 };
 881
 882 static const struct snd_kcontrol_new dac1l_mix[] = {
 883 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
 884                 5, 1, 0),
 885 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
 886                 4, 1, 0),
 887 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
 888 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
 889 };
 890
 891 static const struct snd_kcontrol_new dsp1txl[] = {
 892 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
 893                 1, 1, 0),
 894 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
 895                 0, 1, 0),
 896 };
 897
 898 static const struct snd_kcontrol_new dsp1txr[] = {
 899 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
 900                 1, 1, 0),
 901 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
 902                 0, 1, 0),
 903 };
 904
 905 static const struct snd_kcontrol_new dsp2txl[] = {
 906 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
 907                 1, 1, 0),
 908 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
 909                 0, 1, 0),
 910 };
 911
 912 static const struct snd_kcontrol_new dsp2txr[] = {
 913 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
 914                 1, 1, 0),
 915 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
 916                 0, 1, 0),
 917 };
 918
 919
 920 static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
 921 SND_SOC_DAPM_INPUT("IN1LN"),
 922 SND_SOC_DAPM_INPUT("IN1LP"),
 923 SND_SOC_DAPM_INPUT("IN1RN"),
 924 SND_SOC_DAPM_INPUT("IN1RP"),
 925
 926 SND_SOC_DAPM_INPUT("IN2LN"),
 927 SND_SOC_DAPM_INPUT("IN2LP"),
 928 SND_SOC_DAPM_INPUT("IN2RN"),
 929 SND_SOC_DAPM_INPUT("IN2RP"),
 930
 931 SND_SOC_DAPM_INPUT("DMIC1DAT"),
 932 SND_SOC_DAPM_INPUT("DMIC2DAT"),
 933
 934 SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
 935 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
 936 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
 937 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
 938 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
 939                       SND_SOC_DAPM_POST_PMU),
 940 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
 941                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 942 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
 943 SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
 944 SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
 945 SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
 946 SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
 947
 948 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
 949 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
 950
 951 SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
 952 SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
 953 SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
 954 SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
 955
 956 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
 957 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
 958
 959 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
 960 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
 961 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
 962 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
 963
 964 SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
 965 SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
 966
 967 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
 968 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
 969
 970 SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
 971 SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
 972 SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
 973 SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
 974
 975 SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
 976                    dsp2txl, ARRAY_SIZE(dsp2txl)),
 977 SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
 978                    dsp2txr, ARRAY_SIZE(dsp2txr)),
 979 SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
 980                    dsp1txl, ARRAY_SIZE(dsp1txl)),
 981 SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
 982                    dsp1txr, ARRAY_SIZE(dsp1txr)),
 983
 984 SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
 985                    dac2l_mix, ARRAY_SIZE(dac2l_mix)),
 986 SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
 987                    dac2r_mix, ARRAY_SIZE(dac2r_mix)),
 988 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
 989                    dac1l_mix, ARRAY_SIZE(dac1l_mix)),
 990 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
 991                    dac1r_mix, ARRAY_SIZE(dac1r_mix)),
 992
 993 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
 994 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
 995 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
 996 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
 997
 998 SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
 999 SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
1000
1001 SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
1002 SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
1003
1004 SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
1005 SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
1006 SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
1007 SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
1008 SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
1009 SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
1010
1011 SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
1012 SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
1013 SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
1014 SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
1015 SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
1016 SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
1017
1018 /* We route as stereo pairs so define some dummy widgets to squash
1019  * things down for now.  RXA = 0,1, RXB = 2,3 and so on */
1020 SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1021 SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1022 SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1023 SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1024 SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1025
1026 SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1027 SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1028 SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1029
1030 SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1031 SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1032 SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1033 SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1034
1035 SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1036 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1037 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1038                    SND_SOC_DAPM_POST_PMU),
1039 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1040                    rmv_short_event,
1041                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1042
1043 SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1044 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1045 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1046                    SND_SOC_DAPM_POST_PMU),
1047 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1048                    rmv_short_event,
1049                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1050
1051 SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1052 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1053 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1054                    SND_SOC_DAPM_POST_PMU),
1055 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1056                    rmv_short_event,
1057                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1058
1059 SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1060 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1061 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1062                    SND_SOC_DAPM_POST_PMU),
1063 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1064                    rmv_short_event,
1065                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1066
1067 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1068 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1069 SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1070 SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1071 SND_SOC_DAPM_OUTPUT("SPKDAT"),
1072 };
1073
1074 static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1075         { "AIFCLK", NULL, "SYSCLK" },
1076         { "SYSDSPCLK", NULL, "SYSCLK" },
1077         { "Charge Pump", NULL, "SYSCLK" },
1078         { "Charge Pump", NULL, "CPVDD" },
1079
1080         { "MICB1", NULL, "LDO2" },
1081         { "MICB1", NULL, "MICB1 Audio" },
1082         { "MICB1", NULL, "Bandgap" },
1083         { "MICB2", NULL, "LDO2" },
1084         { "MICB2", NULL, "MICB2 Audio" },
1085         { "MICB2", NULL, "Bandgap" },
1086
1087         { "AIF1RX0", NULL, "AIF1 Playback" },
1088         { "AIF1RX1", NULL, "AIF1 Playback" },
1089         { "AIF1RX2", NULL, "AIF1 Playback" },
1090         { "AIF1RX3", NULL, "AIF1 Playback" },
1091         { "AIF1RX4", NULL, "AIF1 Playback" },
1092         { "AIF1RX5", NULL, "AIF1 Playback" },
1093
1094         { "AIF2RX0", NULL, "AIF2 Playback" },
1095         { "AIF2RX1", NULL, "AIF2 Playback" },
1096
1097         { "AIF1 Capture", NULL, "AIF1TX0" },
1098         { "AIF1 Capture", NULL, "AIF1TX1" },
1099         { "AIF1 Capture", NULL, "AIF1TX2" },
1100         { "AIF1 Capture", NULL, "AIF1TX3" },
1101         { "AIF1 Capture", NULL, "AIF1TX4" },
1102         { "AIF1 Capture", NULL, "AIF1TX5" },
1103
1104         { "AIF2 Capture", NULL, "AIF2TX0" },
1105         { "AIF2 Capture", NULL, "AIF2TX1" },
1106
1107         { "IN1L PGA", NULL, "IN2LN" },
1108         { "IN1L PGA", NULL, "IN2LP" },
1109         { "IN1L PGA", NULL, "IN1LN" },
1110         { "IN1L PGA", NULL, "IN1LP" },
1111         { "IN1L PGA", NULL, "Bandgap" },
1112
1113         { "IN1R PGA", NULL, "IN2RN" },
1114         { "IN1R PGA", NULL, "IN2RP" },
1115         { "IN1R PGA", NULL, "IN1RN" },
1116         { "IN1R PGA", NULL, "IN1RP" },
1117         { "IN1R PGA", NULL, "Bandgap" },
1118
1119         { "ADCL", NULL, "IN1L PGA" },
1120
1121         { "ADCR", NULL, "IN1R PGA" },
1122
1123         { "DMIC1L", NULL, "DMIC1DAT" },
1124         { "DMIC1R", NULL, "DMIC1DAT" },
1125         { "DMIC2L", NULL, "DMIC2DAT" },
1126         { "DMIC2R", NULL, "DMIC2DAT" },
1127
1128         { "DMIC2L", NULL, "DMIC2" },
1129         { "DMIC2R", NULL, "DMIC2" },
1130         { "DMIC1L", NULL, "DMIC1" },
1131         { "DMIC1R", NULL, "DMIC1" },
1132
1133         { "IN1L Mux", "ADC", "ADCL" },
1134         { "IN1L Mux", "DMIC1", "DMIC1L" },
1135         { "IN1L Mux", "DMIC2", "DMIC2L" },
1136
1137         { "IN1R Mux", "ADC", "ADCR" },
1138         { "IN1R Mux", "DMIC1", "DMIC1R" },
1139         { "IN1R Mux", "DMIC2", "DMIC2R" },
1140
1141         { "IN2L Mux", "ADC", "ADCL" },
1142         { "IN2L Mux", "DMIC1", "DMIC1L" },
1143         { "IN2L Mux", "DMIC2", "DMIC2L" },
1144
1145         { "IN2R Mux", "ADC", "ADCR" },
1146         { "IN2R Mux", "DMIC1", "DMIC1R" },
1147         { "IN2R Mux", "DMIC2", "DMIC2R" },
1148
1149         { "Left Sidetone", "IN1", "IN1L Mux" },
1150         { "Left Sidetone", "IN2", "IN2L Mux" },
1151
1152         { "Right Sidetone", "IN1", "IN1R Mux" },
1153         { "Right Sidetone", "IN2", "IN2R Mux" },
1154
1155         { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1156         { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1157
1158         { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1159         { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1160
1161         { "AIF1TX0", NULL, "DSP1TXL" },
1162         { "AIF1TX1", NULL, "DSP1TXR" },
1163         { "AIF1TX2", NULL, "DSP2TXL" },
1164         { "AIF1TX3", NULL, "DSP2TXR" },
1165         { "AIF1TX4", NULL, "AIF2RX0" },
1166         { "AIF1TX5", NULL, "AIF2RX1" },
1167
1168         { "AIF1RX0", NULL, "AIFCLK" },
1169         { "AIF1RX1", NULL, "AIFCLK" },
1170         { "AIF1RX2", NULL, "AIFCLK" },
1171         { "AIF1RX3", NULL, "AIFCLK" },
1172         { "AIF1RX4", NULL, "AIFCLK" },
1173         { "AIF1RX5", NULL, "AIFCLK" },
1174
1175         { "AIF2RX0", NULL, "AIFCLK" },
1176         { "AIF2RX1", NULL, "AIFCLK" },
1177
1178         { "AIF1TX0", NULL, "AIFCLK" },
1179         { "AIF1TX1", NULL, "AIFCLK" },
1180         { "AIF1TX2", NULL, "AIFCLK" },
1181         { "AIF1TX3", NULL, "AIFCLK" },
1182         { "AIF1TX4", NULL, "AIFCLK" },
1183         { "AIF1TX5", NULL, "AIFCLK" },
1184
1185         { "AIF2TX0", NULL, "AIFCLK" },
1186         { "AIF2TX1", NULL, "AIFCLK" },
1187
1188         { "DSP1RXL", NULL, "SYSDSPCLK" },
1189         { "DSP1RXR", NULL, "SYSDSPCLK" },
1190         { "DSP2RXL", NULL, "SYSDSPCLK" },
1191         { "DSP2RXR", NULL, "SYSDSPCLK" },
1192         { "DSP1TXL", NULL, "SYSDSPCLK" },
1193         { "DSP1TXR", NULL, "SYSDSPCLK" },
1194         { "DSP2TXL", NULL, "SYSDSPCLK" },
1195         { "DSP2TXR", NULL, "SYSDSPCLK" },
1196
1197         { "AIF1RXA", NULL, "AIF1RX0" },
1198         { "AIF1RXA", NULL, "AIF1RX1" },
1199         { "AIF1RXB", NULL, "AIF1RX2" },
1200         { "AIF1RXB", NULL, "AIF1RX3" },
1201         { "AIF1RXC", NULL, "AIF1RX4" },
1202         { "AIF1RXC", NULL, "AIF1RX5" },
1203
1204         { "AIF2RX", NULL, "AIF2RX0" },
1205         { "AIF2RX", NULL, "AIF2RX1" },
1206
1207         { "AIF2TX", "DSP2", "DSP2TX" },
1208         { "AIF2TX", "DSP1", "DSP1RX" },
1209         { "AIF2TX", "AIF1", "AIF1RXC" },
1210
1211         { "DSP1RXL", NULL, "DSP1RX" },
1212         { "DSP1RXR", NULL, "DSP1RX" },
1213         { "DSP2RXL", NULL, "DSP2RX" },
1214         { "DSP2RXR", NULL, "DSP2RX" },
1215
1216         { "DSP2TX", NULL, "DSP2TXL" },
1217         { "DSP2TX", NULL, "DSP2TXR" },
1218
1219         { "DSP1RX", "AIF1", "AIF1RXA" },
1220         { "DSP1RX", "AIF2", "AIF2RX" },
1221
1222         { "DSP2RX", "AIF1", "AIF1RXB" },
1223         { "DSP2RX", "AIF2", "AIF2RX" },
1224
1225         { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1226         { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1227         { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1228         { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1229
1230         { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1231         { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1232         { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1233         { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1234
1235         { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1236         { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1237         { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1238         { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1239
1240         { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1241         { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1242         { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1243         { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1244
1245         { "DAC1L", NULL, "DAC1L Mixer" },
1246         { "DAC1R", NULL, "DAC1R Mixer" },
1247         { "DAC2L", NULL, "DAC2L Mixer" },
1248         { "DAC2R", NULL, "DAC2R Mixer" },
1249
1250         { "HPOUT2L PGA", NULL, "Charge Pump" },
1251         { "HPOUT2L PGA", NULL, "Bandgap" },
1252         { "HPOUT2L PGA", NULL, "DAC2L" },
1253         { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1254         { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1255         { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
1256
1257         { "HPOUT2R PGA", NULL, "Charge Pump" },
1258         { "HPOUT2R PGA", NULL, "Bandgap" },
1259         { "HPOUT2R PGA", NULL, "DAC2R" },
1260         { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1261         { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1262         { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
1263
1264         { "HPOUT1L PGA", NULL, "Charge Pump" },
1265         { "HPOUT1L PGA", NULL, "Bandgap" },
1266         { "HPOUT1L PGA", NULL, "DAC1L" },
1267         { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1268         { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1269         { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
1270
1271         { "HPOUT1R PGA", NULL, "Charge Pump" },
1272         { "HPOUT1R PGA", NULL, "Bandgap" },
1273         { "HPOUT1R PGA", NULL, "DAC1R" },
1274         { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1275         { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1276         { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
1277
1278         { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1279         { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1280         { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1281         { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1282
1283         { "SPKL", "DAC1L", "DAC1L" },
1284         { "SPKL", "DAC1R", "DAC1R" },
1285         { "SPKL", "DAC2L", "DAC2L" },
1286         { "SPKL", "DAC2R", "DAC2R" },
1287
1288         { "SPKR", "DAC1L", "DAC1L" },
1289         { "SPKR", "DAC1R", "DAC1R" },
1290         { "SPKR", "DAC2L", "DAC2L" },
1291         { "SPKR", "DAC2R", "DAC2R" },
1292
1293         { "SPKL PGA", NULL, "SPKL" },
1294         { "SPKR PGA", NULL, "SPKR" },
1295
1296         { "SPKDAT", NULL, "SPKL PGA" },
1297         { "SPKDAT", NULL, "SPKR PGA" },
1298 };
1299
1300 static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1301 {
1302         /* Due to the sparseness of the register map the compiler
1303          * output from an explicit switch statement ends up being much
1304          * more efficient than a table.
1305          */
1306         switch (reg) {
1307         case WM8996_SOFTWARE_RESET:
1308         case WM8996_POWER_MANAGEMENT_1:
1309         case WM8996_POWER_MANAGEMENT_2:
1310         case WM8996_POWER_MANAGEMENT_3:
1311         case WM8996_POWER_MANAGEMENT_4:
1312         case WM8996_POWER_MANAGEMENT_5:
1313         case WM8996_POWER_MANAGEMENT_6:
1314         case WM8996_POWER_MANAGEMENT_7:
1315         case WM8996_POWER_MANAGEMENT_8:
1316         case WM8996_LEFT_LINE_INPUT_VOLUME:
1317         case WM8996_RIGHT_LINE_INPUT_VOLUME:
1318         case WM8996_LINE_INPUT_CONTROL:
1319         case WM8996_DAC1_HPOUT1_VOLUME:
1320         case WM8996_DAC2_HPOUT2_VOLUME:
1321         case WM8996_DAC1_LEFT_VOLUME:
1322         case WM8996_DAC1_RIGHT_VOLUME:
1323         case WM8996_DAC2_LEFT_VOLUME:
1324         case WM8996_DAC2_RIGHT_VOLUME:
1325         case WM8996_OUTPUT1_LEFT_VOLUME:
1326         case WM8996_OUTPUT1_RIGHT_VOLUME:
1327         case WM8996_OUTPUT2_LEFT_VOLUME:
1328         case WM8996_OUTPUT2_RIGHT_VOLUME:
1329         case WM8996_MICBIAS_1:
1330         case WM8996_MICBIAS_2:
1331         case WM8996_LDO_1:
1332         case WM8996_LDO_2:
1333         case WM8996_ACCESSORY_DETECT_MODE_1:
1334         case WM8996_ACCESSORY_DETECT_MODE_2:
1335         case WM8996_HEADPHONE_DETECT_1:
1336         case WM8996_HEADPHONE_DETECT_2:
1337         case WM8996_MIC_DETECT_1:
1338         case WM8996_MIC_DETECT_2:
1339         case WM8996_MIC_DETECT_3:
1340         case WM8996_CHARGE_PUMP_1:
1341         case WM8996_CHARGE_PUMP_2:
1342         case WM8996_DC_SERVO_1:
1343         case WM8996_DC_SERVO_2:
1344         case WM8996_DC_SERVO_3:
1345         case WM8996_DC_SERVO_5:
1346         case WM8996_DC_SERVO_6:
1347         case WM8996_DC_SERVO_7:
1348         case WM8996_DC_SERVO_READBACK_0:
1349         case WM8996_ANALOGUE_HP_1:
1350         case WM8996_ANALOGUE_HP_2:
1351         case WM8996_CHIP_REVISION:
1352         case WM8996_CONTROL_INTERFACE_1:
1353         case WM8996_WRITE_SEQUENCER_CTRL_1:
1354         case WM8996_WRITE_SEQUENCER_CTRL_2:
1355         case WM8996_AIF_CLOCKING_1:
1356         case WM8996_AIF_CLOCKING_2:
1357         case WM8996_CLOCKING_1:
1358         case WM8996_CLOCKING_2:
1359         case WM8996_AIF_RATE:
1360         case WM8996_FLL_CONTROL_1:
1361         case WM8996_FLL_CONTROL_2:
1362         case WM8996_FLL_CONTROL_3:
1363         case WM8996_FLL_CONTROL_4:
1364         case WM8996_FLL_CONTROL_5:
1365         case WM8996_FLL_CONTROL_6:
1366         case WM8996_FLL_EFS_1:
1367         case WM8996_FLL_EFS_2:
1368         case WM8996_AIF1_CONTROL:
1369         case WM8996_AIF1_BCLK:
1370         case WM8996_AIF1_TX_LRCLK_1:
1371         case WM8996_AIF1_TX_LRCLK_2:
1372         case WM8996_AIF1_RX_LRCLK_1:
1373         case WM8996_AIF1_RX_LRCLK_2:
1374         case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1375         case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1376         case WM8996_AIF1RX_DATA_CONFIGURATION:
1377         case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1378         case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1379         case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1380         case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1381         case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1382         case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1383         case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1384         case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1385         case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1386         case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1387         case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1388         case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1389         case WM8996_AIF1RX_MONO_CONFIGURATION:
1390         case WM8996_AIF1TX_TEST:
1391         case WM8996_AIF2_CONTROL:
1392         case WM8996_AIF2_BCLK:
1393         case WM8996_AIF2_TX_LRCLK_1:
1394         case WM8996_AIF2_TX_LRCLK_2:
1395         case WM8996_AIF2_RX_LRCLK_1:
1396         case WM8996_AIF2_RX_LRCLK_2:
1397         case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1398         case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1399         case WM8996_AIF2RX_DATA_CONFIGURATION:
1400         case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1401         case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1402         case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1403         case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1404         case WM8996_AIF2RX_MONO_CONFIGURATION:
1405         case WM8996_AIF2TX_TEST:
1406         case WM8996_DSP1_TX_LEFT_VOLUME:
1407         case WM8996_DSP1_TX_RIGHT_VOLUME:
1408         case WM8996_DSP1_RX_LEFT_VOLUME:
1409         case WM8996_DSP1_RX_RIGHT_VOLUME:
1410         case WM8996_DSP1_TX_FILTERS:
1411         case WM8996_DSP1_RX_FILTERS_1:
1412         case WM8996_DSP1_RX_FILTERS_2:
1413         case WM8996_DSP1_DRC_1:
1414         case WM8996_DSP1_DRC_2:
1415         case WM8996_DSP1_DRC_3:
1416         case WM8996_DSP1_DRC_4:
1417         case WM8996_DSP1_DRC_5:
1418         case WM8996_DSP1_RX_EQ_GAINS_1:
1419         case WM8996_DSP1_RX_EQ_GAINS_2:
1420         case WM8996_DSP1_RX_EQ_BAND_1_A:
1421         case WM8996_DSP1_RX_EQ_BAND_1_B:
1422         case WM8996_DSP1_RX_EQ_BAND_1_PG:
1423         case WM8996_DSP1_RX_EQ_BAND_2_A:
1424         case WM8996_DSP1_RX_EQ_BAND_2_B:
1425         case WM8996_DSP1_RX_EQ_BAND_2_C:
1426         case WM8996_DSP1_RX_EQ_BAND_2_PG:
1427         case WM8996_DSP1_RX_EQ_BAND_3_A:
1428         case WM8996_DSP1_RX_EQ_BAND_3_B:
1429         case WM8996_DSP1_RX_EQ_BAND_3_C:
1430         case WM8996_DSP1_RX_EQ_BAND_3_PG:
1431         case WM8996_DSP1_RX_EQ_BAND_4_A:
1432         case WM8996_DSP1_RX_EQ_BAND_4_B:
1433         case WM8996_DSP1_RX_EQ_BAND_4_C:
1434         case WM8996_DSP1_RX_EQ_BAND_4_PG:
1435         case WM8996_DSP1_RX_EQ_BAND_5_A:
1436         case WM8996_DSP1_RX_EQ_BAND_5_B:
1437         case WM8996_DSP1_RX_EQ_BAND_5_PG:
1438         case WM8996_DSP2_TX_LEFT_VOLUME:
1439         case WM8996_DSP2_TX_RIGHT_VOLUME:
1440         case WM8996_DSP2_RX_LEFT_VOLUME:
1441         case WM8996_DSP2_RX_RIGHT_VOLUME:
1442         case WM8996_DSP2_TX_FILTERS:
1443         case WM8996_DSP2_RX_FILTERS_1:
1444         case WM8996_DSP2_RX_FILTERS_2:
1445         case WM8996_DSP2_DRC_1:
1446         case WM8996_DSP2_DRC_2:
1447         case WM8996_DSP2_DRC_3:
1448         case WM8996_DSP2_DRC_4:
1449         case WM8996_DSP2_DRC_5:
1450         case WM8996_DSP2_RX_EQ_GAINS_1:
1451         case WM8996_DSP2_RX_EQ_GAINS_2:
1452         case WM8996_DSP2_RX_EQ_BAND_1_A:
1453         case WM8996_DSP2_RX_EQ_BAND_1_B:
1454         case WM8996_DSP2_RX_EQ_BAND_1_PG:
1455         case WM8996_DSP2_RX_EQ_BAND_2_A:
1456         case WM8996_DSP2_RX_EQ_BAND_2_B:
1457         case WM8996_DSP2_RX_EQ_BAND_2_C:
1458         case WM8996_DSP2_RX_EQ_BAND_2_PG:
1459         case WM8996_DSP2_RX_EQ_BAND_3_A:
1460         case WM8996_DSP2_RX_EQ_BAND_3_B:
1461         case WM8996_DSP2_RX_EQ_BAND_3_C:
1462         case WM8996_DSP2_RX_EQ_BAND_3_PG:
1463         case WM8996_DSP2_RX_EQ_BAND_4_A:
1464         case WM8996_DSP2_RX_EQ_BAND_4_B:
1465         case WM8996_DSP2_RX_EQ_BAND_4_C:
1466         case WM8996_DSP2_RX_EQ_BAND_4_PG:
1467         case WM8996_DSP2_RX_EQ_BAND_5_A:
1468         case WM8996_DSP2_RX_EQ_BAND_5_B:
1469         case WM8996_DSP2_RX_EQ_BAND_5_PG:
1470         case WM8996_DAC1_MIXER_VOLUMES:
1471         case WM8996_DAC1_LEFT_MIXER_ROUTING:
1472         case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1473         case WM8996_DAC2_MIXER_VOLUMES:
1474         case WM8996_DAC2_LEFT_MIXER_ROUTING:
1475         case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1476         case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1477         case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1478         case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1479         case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1480         case WM8996_DSP_TX_MIXER_SELECT:
1481         case WM8996_DAC_SOFTMUTE:
1482         case WM8996_OVERSAMPLING:
1483         case WM8996_SIDETONE:
1484         case WM8996_GPIO_1:
1485         case WM8996_GPIO_2:
1486         case WM8996_GPIO_3:
1487         case WM8996_GPIO_4:
1488         case WM8996_GPIO_5:
1489         case WM8996_PULL_CONTROL_1:
1490         case WM8996_PULL_CONTROL_2:
1491         case WM8996_INTERRUPT_STATUS_1:
1492         case WM8996_INTERRUPT_STATUS_2:
1493         case WM8996_INTERRUPT_RAW_STATUS_2:
1494         case WM8996_INTERRUPT_STATUS_1_MASK:
1495         case WM8996_INTERRUPT_STATUS_2_MASK:
1496         case WM8996_INTERRUPT_CONTROL:
1497         case WM8996_LEFT_PDM_SPEAKER:
1498         case WM8996_RIGHT_PDM_SPEAKER:
1499         case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1500         case WM8996_PDM_SPEAKER_VOLUME:
1501                 return true;
1502         default:
1503                 return false;
1504         }
1505 }
1506
1507 static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1508 {
1509         switch (reg) {
1510         case WM8996_SOFTWARE_RESET:
1511         case WM8996_CHIP_REVISION:
1512         case WM8996_LDO_1:
1513         case WM8996_LDO_2:
1514         case WM8996_INTERRUPT_STATUS_1:
1515         case WM8996_INTERRUPT_STATUS_2:
1516         case WM8996_INTERRUPT_RAW_STATUS_2:
1517         case WM8996_DC_SERVO_READBACK_0:
1518         case WM8996_DC_SERVO_2:
1519         case WM8996_DC_SERVO_6:
1520         case WM8996_DC_SERVO_7:
1521         case WM8996_FLL_CONTROL_6:
1522         case WM8996_MIC_DETECT_3:
1523         case WM8996_HEADPHONE_DETECT_1:
1524         case WM8996_HEADPHONE_DETECT_2:
1525                 return true;
1526         default:
1527                 return false;
1528         }
1529 }
1530
1531 static const int bclk_divs[] = {
1532         1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1533 };
1534
1535 static void wm8996_update_bclk(struct snd_soc_component *component)
1536 {
1537         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
1538         int aif, best, cur_val, bclk_rate, bclk_reg, i;
1539
1540         /* Don't bother if we're in a low frequency idle mode that
1541          * can't support audio.
1542          */
1543         if (wm8996->sysclk < 64000)
1544                 return;
1545
1546         for (aif = 0; aif < WM8996_AIFS; aif++) {
1547                 switch (aif) {
1548                 case 0:
1549                         bclk_reg = WM8996_AIF1_BCLK;
1550                         break;
1551                 case 1:
1552                         bclk_reg = WM8996_AIF2_BCLK;
1553                         break;
1554                 }
1555
1556                 bclk_rate = wm8996->bclk_rate[aif];
1557
1558                 /* Pick a divisor for BCLK as close as we can get to ideal */
1559                 best = 0;
1560                 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1561                         cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1562                         if (cur_val < 0) /* BCLK table is sorted */
1563                                 break;
1564                         best = i;
1565                 }
1566                 bclk_rate = wm8996->sysclk / bclk_divs[best];
1567                 dev_dbg(component->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1568                         bclk_divs[best], bclk_rate);
1569
1570                 snd_soc_component_update_bits(component, bclk_reg,
1571                                     WM8996_AIF1_BCLK_DIV_MASK, best);
1572         }
1573 }
1574
1575 static int wm8996_set_bias_level(struct snd_soc_component *component,
1576                                  enum snd_soc_bias_level level)
1577 {
1578         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
1579         int ret;
1580
1581         switch (level) {
1582         case SND_SOC_BIAS_ON:
1583                 break;
1584         case SND_SOC_BIAS_PREPARE:
1585                 /* Put the MICBIASes into regulating mode */
1586                 snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
1587                                     WM8996_MICB1_MODE, 0);
1588                 snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
1589                                     WM8996_MICB2_MODE, 0);
1590                 break;
1591
1592         case SND_SOC_BIAS_STANDBY:
1593                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1594                         ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1595                                                     wm8996->supplies);
1596                         if (ret != 0) {
1597                                 dev_err(component->dev,
1598                                         "Failed to enable supplies: %d\n",
1599                                         ret);
1600                                 return ret;
1601                         }
1602
1603                         if (wm8996->pdata.ldo_ena >= 0) {
1604                                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1605                                                         1);
1606                                 msleep(5);
1607                         }
1608
1609                         regcache_cache_only(wm8996->regmap, false);
1610                         regcache_sync(wm8996->regmap);
1611                 }
1612
1613                 /* Bypass the MICBIASes for lowest power */
1614                 snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
1615                                     WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1616                 snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
1617                                     WM8996_MICB2_MODE, WM8996_MICB2_MODE);
1618                 break;
1619
1620         case SND_SOC_BIAS_OFF:
1621                 regcache_cache_only(wm8996->regmap, true);
1622                 if (wm8996->pdata.ldo_ena >= 0) {
1623                         gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1624                         regcache_cache_only(wm8996->regmap, true);
1625                 }
1626                 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1627                                        wm8996->supplies);
1628                 break;
1629         }
1630
1631         return 0;
1632 }
1633
1634 static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1635 {
1636         struct snd_soc_component *component = dai->component;
1637         int aifctrl = 0;
1638         int bclk = 0;
1639         int lrclk_tx = 0;
1640         int lrclk_rx = 0;
1641         int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1642
1643         switch (dai->id) {
1644         case 0:
1645                 aifctrl_reg = WM8996_AIF1_CONTROL;
1646                 bclk_reg = WM8996_AIF1_BCLK;
1647                 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1648                 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1649                 break;
1650         case 1:
1651                 aifctrl_reg = WM8996_AIF2_CONTROL;
1652                 bclk_reg = WM8996_AIF2_BCLK;
1653                 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1654                 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1655                 break;
1656         default:
1657                 WARN(1, "Invalid dai id %d\n", dai->id);
1658                 return -EINVAL;
1659         }
1660
1661         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1662         case SND_SOC_DAIFMT_NB_NF:
1663                 break;
1664         case SND_SOC_DAIFMT_IB_NF:
1665                 bclk |= WM8996_AIF1_BCLK_INV;
1666                 break;
1667         case SND_SOC_DAIFMT_NB_IF:
1668                 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1669                 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1670                 break;
1671         case SND_SOC_DAIFMT_IB_IF:
1672                 bclk |= WM8996_AIF1_BCLK_INV;
1673                 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1674                 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1675                 break;
1676         }
1677
1678         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1679         case SND_SOC_DAIFMT_CBS_CFS:
1680                 break;
1681         case SND_SOC_DAIFMT_CBS_CFM:
1682                 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1683                 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1684                 break;
1685         case SND_SOC_DAIFMT_CBM_CFS:
1686                 bclk |= WM8996_AIF1_BCLK_MSTR;
1687                 break;
1688         case SND_SOC_DAIFMT_CBM_CFM:
1689                 bclk |= WM8996_AIF1_BCLK_MSTR;
1690                 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1691                 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1692                 break;
1693         default:
1694                 return -EINVAL;
1695         }
1696
1697         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1698         case SND_SOC_DAIFMT_DSP_A:
1699                 break;
1700         case SND_SOC_DAIFMT_DSP_B:
1701                 aifctrl |= 1;
1702                 break;
1703         case SND_SOC_DAIFMT_I2S:
1704                 aifctrl |= 2;
1705                 break;
1706         case SND_SOC_DAIFMT_LEFT_J:
1707                 aifctrl |= 3;
1708                 break;
1709         default:
1710                 return -EINVAL;
1711         }
1712
1713         snd_soc_component_update_bits(component, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1714         snd_soc_component_update_bits(component, bclk_reg,
1715                             WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1716                             bclk);
1717         snd_soc_component_update_bits(component, lrclk_tx_reg,
1718                             WM8996_AIF1TX_LRCLK_INV |
1719                             WM8996_AIF1TX_LRCLK_MSTR,
1720                             lrclk_tx);
1721         snd_soc_component_update_bits(component, lrclk_rx_reg,
1722                             WM8996_AIF1RX_LRCLK_INV |
1723                             WM8996_AIF1RX_LRCLK_MSTR,
1724                             lrclk_rx);
1725
1726         return 0;
1727 }
1728
1729 static const int dsp_divs[] = {
1730         48000, 32000, 16000, 8000
1731 };
1732
1733 static int wm8996_hw_params(struct snd_pcm_substream *substream,
1734                             struct snd_pcm_hw_params *params,
1735                             struct snd_soc_dai *dai)
1736 {
1737         struct snd_soc_component *component = dai->component;
1738         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
1739         int bits, i, bclk_rate, best;
1740         int aifdata = 0;
1741         int lrclk = 0;
1742         int dsp = 0;
1743         int aifdata_reg, lrclk_reg, dsp_shift;
1744
1745         switch (dai->id) {
1746         case 0:
1747                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1748                     (snd_soc_component_read32(component, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1749                         aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1750                         lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1751                 } else {
1752                         aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1753                         lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1754                 }
1755                 dsp_shift = 0;
1756                 break;
1757         case 1:
1758                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1759                     (snd_soc_component_read32(component, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1760                         aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1761                         lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1762                 } else {
1763                         aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1764                         lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1765                 }
1766                 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1767                 break;
1768         default:
1769                 WARN(1, "Invalid dai id %d\n", dai->id);
1770                 return -EINVAL;
1771         }
1772
1773         bclk_rate = snd_soc_params_to_bclk(params);
1774         if (bclk_rate < 0) {
1775                 dev_err(component->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1776                 return bclk_rate;
1777         }
1778
1779         wm8996->bclk_rate[dai->id] = bclk_rate;
1780         wm8996->rx_rate[dai->id] = params_rate(params);
1781
1782         /* Needs looking at for TDM */
1783         bits = params_width(params);
1784         if (bits < 0)
1785                 return bits;
1786         aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1787
1788         best = 0;
1789         for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1790                 if (abs(dsp_divs[i] - params_rate(params)) <
1791                     abs(dsp_divs[best] - params_rate(params)))
1792                         best = i;
1793         }
1794         dsp |= i << dsp_shift;
1795
1796         wm8996_update_bclk(component);
1797
1798         lrclk = bclk_rate / params_rate(params);
1799         dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1800                 lrclk, bclk_rate / lrclk);
1801
1802         snd_soc_component_update_bits(component, aifdata_reg,
1803                             WM8996_AIF1TX_WL_MASK |
1804                             WM8996_AIF1TX_SLOT_LEN_MASK,
1805                             aifdata);
1806         snd_soc_component_update_bits(component, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1807                             lrclk);
1808         snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_2,
1809                             WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1810
1811         return 0;
1812 }
1813
1814 static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1815                 int clk_id, unsigned int freq, int dir)
1816 {
1817         struct snd_soc_component *component = dai->component;
1818         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
1819         int lfclk = 0;
1820         int ratediv = 0;
1821         int sync = WM8996_REG_SYNC;
1822         int src;
1823         int old;
1824
1825         if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1826                 return 0;
1827
1828         /* Disable SYSCLK while we reconfigure */
1829         old = snd_soc_component_read32(component, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1830         snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
1831                             WM8996_SYSCLK_ENA, 0);
1832
1833         switch (clk_id) {
1834         case WM8996_SYSCLK_MCLK1:
1835                 wm8996->sysclk = freq;
1836                 src = 0;
1837                 break;
1838         case WM8996_SYSCLK_MCLK2:
1839                 wm8996->sysclk = freq;
1840                 src = 1;
1841                 break;
1842         case WM8996_SYSCLK_FLL:
1843                 wm8996->sysclk = freq;
1844                 src = 2;
1845                 break;
1846         default:
1847                 dev_err(component->dev, "Unsupported clock source %d\n", clk_id);
1848                 return -EINVAL;
1849         }
1850
1851         switch (wm8996->sysclk) {
1852         case 5644800:
1853         case 6144000:
1854                 snd_soc_component_update_bits(component, WM8996_AIF_RATE,
1855                                     WM8996_SYSCLK_RATE, 0);
1856                 break;
1857         case 22579200:
1858         case 24576000:
1859                 ratediv = WM8996_SYSCLK_DIV;
1860                 wm8996->sysclk /= 2;
1861                 /* fall through */
1862         case 11289600:
1863         case 12288000:
1864                 snd_soc_component_update_bits(component, WM8996_AIF_RATE,
1865                                     WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1866                 break;
1867         case 32000:
1868         case 32768:
1869                 lfclk = WM8996_LFCLK_ENA;
1870                 sync = 0;
1871                 break;
1872         default:
1873                 dev_warn(component->dev, "Unsupported clock rate %dHz\n",
1874                          wm8996->sysclk);
1875                 return -EINVAL;
1876         }
1877
1878         wm8996_update_bclk(component);
1879
1880         snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
1881                             WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1882                             src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1883         snd_soc_component_update_bits(component, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1884         snd_soc_component_update_bits(component, WM8996_CONTROL_INTERFACE_1,
1885                             WM8996_REG_SYNC, sync);
1886         snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
1887                             WM8996_SYSCLK_ENA, old);
1888
1889         wm8996->sysclk_src = clk_id;
1890
1891         return 0;
1892 }
1893
1894 struct _fll_div {
1895         u16 fll_fratio;
1896         u16 fll_outdiv;
1897         u16 fll_refclk_div;
1898         u16 fll_loop_gain;
1899         u16 fll_ref_freq;
1900         u16 n;
1901         u16 theta;
1902         u16 lambda;
1903 };
1904
1905 static struct {
1906         unsigned int min;
1907         unsigned int max;
1908         u16 fll_fratio;
1909         int ratio;
1910 } fll_fratios[] = {
1911         {       0,    64000, 4, 16 },
1912         {   64000,   128000, 3,  8 },
1913         {  128000,   256000, 2,  4 },
1914         {  256000,  1000000, 1,  2 },
1915         { 1000000, 13500000, 0,  1 },
1916 };
1917
1918 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1919                        unsigned int Fout)
1920 {
1921         unsigned int target;
1922         unsigned int div;
1923         unsigned int fratio, gcd_fll;
1924         int i;
1925
1926         /* Fref must be <=13.5MHz */
1927         div = 1;
1928         fll_div->fll_refclk_div = 0;
1929         while ((Fref / div) > 13500000) {
1930                 div *= 2;
1931                 fll_div->fll_refclk_div++;
1932
1933                 if (div > 8) {
1934                         pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1935                                Fref);
1936                         return -EINVAL;
1937                 }
1938         }
1939
1940         pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1941
1942         /* Apply the division for our remaining calculations */
1943         Fref /= div;
1944
1945         if (Fref >= 3000000)
1946                 fll_div->fll_loop_gain = 5;
1947         else
1948                 fll_div->fll_loop_gain = 0;
1949
1950         if (Fref >= 48000)
1951                 fll_div->fll_ref_freq = 0;
1952         else
1953                 fll_div->fll_ref_freq = 1;
1954
1955         /* Fvco should be 90-100MHz; don't check the upper bound */
1956         div = 2;
1957         while (Fout * div < 90000000) {
1958                 div++;
1959                 if (div > 64) {
1960                         pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1961                                Fout);
1962                         return -EINVAL;
1963                 }
1964         }
1965         target = Fout * div;
1966         fll_div->fll_outdiv = div - 1;
1967
1968         pr_debug("FLL Fvco=%dHz\n", target);
1969
1970         /* Find an appropraite FLL_FRATIO and factor it out of the target */
1971         for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1972                 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1973                         fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1974                         fratio = fll_fratios[i].ratio;
1975                         break;
1976                 }
1977         }
1978         if (i == ARRAY_SIZE(fll_fratios)) {
1979                 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1980                 return -EINVAL;
1981         }
1982
1983         fll_div->n = target / (fratio * Fref);
1984
1985         if (target % Fref == 0) {
1986                 fll_div->theta = 0;
1987                 fll_div->lambda = 0;
1988         } else {
1989                 gcd_fll = gcd(target, fratio * Fref);
1990
1991                 fll_div->theta = (target - (fll_div->n * fratio * Fref))
1992                         / gcd_fll;
1993                 fll_div->lambda = (fratio * Fref) / gcd_fll;
1994         }
1995
1996         pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
1997                  fll_div->n, fll_div->theta, fll_div->lambda);
1998         pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
1999                  fll_div->fll_fratio, fll_div->fll_outdiv,
2000                  fll_div->fll_refclk_div);
2001
2002         return 0;
2003 }
2004
2005 static int wm8996_set_fll(struct snd_soc_component *component, int fll_id, int source,
2006                           unsigned int Fref, unsigned int Fout)
2007 {
2008         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2009         struct i2c_client *i2c = to_i2c_client(component->dev);
2010         struct _fll_div fll_div;
2011         unsigned long timeout, time_left;
2012         int ret, reg, retry;
2013
2014         /* Any change? */
2015         if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2016             Fout == wm8996->fll_fout)
2017                 return 0;
2018
2019         if (Fout == 0) {
2020                 dev_dbg(component->dev, "FLL disabled\n");
2021
2022                 wm8996->fll_fref = 0;
2023                 wm8996->fll_fout = 0;
2024
2025                 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1,
2026                                     WM8996_FLL_ENA, 0);
2027
2028                 wm8996_bg_disable(component);
2029
2030                 return 0;
2031         }
2032
2033         ret = fll_factors(&fll_div, Fref, Fout);
2034         if (ret != 0)
2035                 return ret;
2036
2037         switch (source) {
2038         case WM8996_FLL_MCLK1:
2039                 reg = 0;
2040                 break;
2041         case WM8996_FLL_MCLK2:
2042                 reg = 1;
2043                 break;
2044         case WM8996_FLL_DACLRCLK1:
2045                 reg = 2;
2046                 break;
2047         case WM8996_FLL_BCLK1:
2048                 reg = 3;
2049                 break;
2050         default:
2051                 dev_err(component->dev, "Unknown FLL source %d\n", ret);
2052                 return -EINVAL;
2053         }
2054
2055         reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2056         reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2057
2058         snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_5,
2059                             WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2060                             WM8996_FLL_REFCLK_SRC_MASK, reg);
2061
2062         reg = 0;
2063         if (fll_div.theta || fll_div.lambda)
2064                 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2065         else
2066                 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2067         snd_soc_component_write(component, WM8996_FLL_EFS_2, reg);
2068
2069         snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_2,
2070                             WM8996_FLL_OUTDIV_MASK |
2071                             WM8996_FLL_FRATIO_MASK,
2072                             (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2073                             (fll_div.fll_fratio));
2074
2075         snd_soc_component_write(component, WM8996_FLL_CONTROL_3, fll_div.theta);
2076
2077         snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_4,
2078                             WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2079                             (fll_div.n << WM8996_FLL_N_SHIFT) |
2080                             fll_div.fll_loop_gain);
2081
2082         snd_soc_component_write(component, WM8996_FLL_EFS_1, fll_div.lambda);
2083
2084         /* Enable the bandgap if it's not already enabled */
2085         ret = snd_soc_component_read32(component, WM8996_FLL_CONTROL_1);
2086         if (!(ret & WM8996_FLL_ENA))
2087                 wm8996_bg_enable(component);
2088
2089         /* Clear any pending completions (eg, from failed startups) */
2090         try_wait_for_completion(&wm8996->fll_lock);
2091
2092         snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1,
2093                             WM8996_FLL_ENA, WM8996_FLL_ENA);
2094
2095         /* The FLL supports live reconfiguration - kick that in case we were
2096          * already enabled.
2097          */
2098         snd_soc_component_write(component, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2099
2100         /* Wait for the FLL to lock, using the interrupt if possible */
2101         if (Fref > 1000000)
2102                 timeout = usecs_to_jiffies(300);
2103         else
2104                 timeout = msecs_to_jiffies(2);
2105
2106         /* Allow substantially longer if we've actually got the IRQ, poll
2107          * at a slightly higher rate if we don't.
2108          */
2109         if (i2c->irq)
2110                 timeout *= 10;
2111         else
2112                 /* ensure timeout of atleast 1 jiffies */
2113                 timeout = timeout/2 ? : 1;
2114
2115         for (retry = 0; retry < 10; retry++) {
2116                 time_left = wait_for_completion_timeout(&wm8996->fll_lock,
2117                                                         timeout);
2118                 if (time_left != 0) {
2119                         WARN_ON(!i2c->irq);
2120                         ret = 1;
2121                         break;
2122                 }
2123
2124                 ret = snd_soc_component_read32(component, WM8996_INTERRUPT_RAW_STATUS_2);
2125                 if (ret & WM8996_FLL_LOCK_STS)
2126                         break;
2127         }
2128         if (retry == 10) {
2129                 dev_err(component->dev, "Timed out waiting for FLL\n");
2130                 ret = -ETIMEDOUT;
2131         }
2132
2133         dev_dbg(component->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2134
2135         wm8996->fll_fref = Fref;
2136         wm8996->fll_fout = Fout;
2137         wm8996->fll_src = source;
2138
2139         return ret;
2140 }
2141
2142 #ifdef CONFIG_GPIOLIB
2143 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2144 {
2145         struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2146
2147         regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2148                            WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2149 }
2150
2151 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2152                                      unsigned offset, int value)
2153 {
2154         struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2155         int val;
2156
2157         val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2158
2159         return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2160                                   WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2161                                   WM8996_GP1_LVL, val);
2162 }
2163
2164 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2165 {
2166         struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2167         unsigned int reg;
2168         int ret;
2169
2170         ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
2171         if (ret < 0)
2172                 return ret;
2173
2174         return (reg & WM8996_GP1_LVL) != 0;
2175 }
2176
2177 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2178 {
2179         struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2180
2181         return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2182                                   WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2183                                   (1 << WM8996_GP1_FN_SHIFT) |
2184                                   (1 << WM8996_GP1_DIR_SHIFT));
2185 }
2186
2187 static const struct gpio_chip wm8996_template_chip = {
2188         .label                  = "wm8996",
2189         .owner                  = THIS_MODULE,
2190         .direction_output       = wm8996_gpio_direction_out,
2191         .set                    = wm8996_gpio_set,
2192         .direction_input        = wm8996_gpio_direction_in,
2193         .get                    = wm8996_gpio_get,
2194         .can_sleep              = 1,
2195 };
2196
2197 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2198 {
2199         int ret;
2200
2201         wm8996->gpio_chip = wm8996_template_chip;
2202         wm8996->gpio_chip.ngpio = 5;
2203         wm8996->gpio_chip.parent = wm8996->dev;
2204
2205         if (wm8996->pdata.gpio_base)
2206                 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2207         else
2208                 wm8996->gpio_chip.base = -1;
2209
2210         ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996);
2211         if (ret != 0)
2212                 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2213 }
2214
2215 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2216 {
2217         gpiochip_remove(&wm8996->gpio_chip);
2218 }
2219 #else
2220 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2221 {
2222 }
2223
2224 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2225 {
2226 }
2227 #endif
2228
2229 /**
2230  * wm8996_detect - Enable default WM8996 jack detection
2231  *
2232  * The WM8996 has advanced accessory detection support for headsets.
2233  * This function provides a default implementation which integrates
2234  * the majority of this functionality with minimal user configuration.
2235  *
2236  * This will detect headset, headphone and short circuit button and
2237  * will also detect inverted microphone ground connections and update
2238  * the polarity of the connections.
2239  */
2240 int wm8996_detect(struct snd_soc_component *component, struct snd_soc_jack *jack,
2241                   wm8996_polarity_fn polarity_cb)
2242 {
2243         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2244         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
2245
2246         wm8996->jack = jack;
2247         wm8996->detecting = true;
2248         wm8996->polarity_cb = polarity_cb;
2249         wm8996->jack_flips = 0;
2250
2251         if (wm8996->polarity_cb)
2252                 wm8996->polarity_cb(component, 0);
2253
2254         /* Clear discarge to avoid noise during detection */
2255         snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
2256                             WM8996_MICB1_DISCH, 0);
2257         snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
2258                             WM8996_MICB2_DISCH, 0);
2259
2260         /* LDO2 powers the microphones, SYSCLK clocks detection */
2261         snd_soc_dapm_mutex_lock(dapm);
2262
2263         snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
2264         snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
2265
2266         snd_soc_dapm_mutex_unlock(dapm);
2267
2268         /* We start off just enabling microphone detection - even a
2269          * plain headphone will trigger detection.
2270          */
2271         snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2272                             WM8996_MICD_ENA, WM8996_MICD_ENA);
2273
2274         /* Slowest detection rate, gives debounce for initial detection */
2275         snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2276                             WM8996_MICD_RATE_MASK,
2277                             WM8996_MICD_RATE_MASK);
2278
2279         /* Enable interrupts and we're off */
2280         snd_soc_component_update_bits(component, WM8996_INTERRUPT_STATUS_2_MASK,
2281                             WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2282
2283         return 0;
2284 }
2285 EXPORT_SYMBOL_GPL(wm8996_detect);
2286
2287 static void wm8996_hpdet_irq(struct snd_soc_component *component)
2288 {
2289         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
2290         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2291         int val, reg, report;
2292
2293         /* Assume headphone in error conditions; we need to report
2294          * something or we stall our state machine.
2295          */
2296         report = SND_JACK_HEADPHONE;
2297
2298         reg = snd_soc_component_read32(component, WM8996_HEADPHONE_DETECT_2);
2299         if (reg < 0) {
2300                 dev_err(component->dev, "Failed to read HPDET status\n");
2301                 goto out;
2302         }
2303
2304         if (!(reg & WM8996_HP_DONE)) {
2305                 dev_err(component->dev, "Got HPDET IRQ but HPDET is busy\n");
2306                 goto out;
2307         }
2308
2309         val = reg & WM8996_HP_LVL_MASK;
2310
2311         dev_dbg(component->dev, "HPDET measured %d ohms\n", val);
2312
2313         /* If we've got high enough impedence then report as line,
2314          * otherwise assume headphone.
2315          */
2316         if (val >= 126)
2317                 report = SND_JACK_LINEOUT;
2318         else
2319                 report = SND_JACK_HEADPHONE;
2320
2321 out:
2322         if (wm8996->jack_mic)
2323                 report |= SND_JACK_MICROPHONE;
2324
2325         snd_soc_jack_report(wm8996->jack, report,
2326                             SND_JACK_LINEOUT | SND_JACK_HEADSET);
2327
2328         wm8996->detecting = false;
2329
2330         /* If the output isn't running re-clamp it */
2331         if (!(snd_soc_component_read32(component, WM8996_POWER_MANAGEMENT_1) &
2332               (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2333                 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1,
2334                                     WM8996_HPOUT1L_RMV_SHORT |
2335                                     WM8996_HPOUT1R_RMV_SHORT, 0);
2336
2337         /* Go back to looking at the microphone */
2338         snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1,
2339                             WM8996_JD_MODE_MASK, 0);
2340         snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2341                             WM8996_MICD_ENA);
2342
2343         snd_soc_dapm_disable_pin(dapm, "Bandgap");
2344         snd_soc_dapm_sync(dapm);
2345 }
2346
2347 static void wm8996_hpdet_start(struct snd_soc_component *component)
2348 {
2349         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
2350
2351         /* Unclamp the output, we can't measure while we're shorting it */
2352         snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1,
2353                             WM8996_HPOUT1L_RMV_SHORT |
2354                             WM8996_HPOUT1R_RMV_SHORT,
2355                             WM8996_HPOUT1L_RMV_SHORT |
2356                             WM8996_HPOUT1R_RMV_SHORT);
2357
2358         /* We need bandgap for HPDET */
2359         snd_soc_dapm_force_enable_pin(dapm, "Bandgap");
2360         snd_soc_dapm_sync(dapm);
2361
2362         /* Go into headphone detect left mode */
2363         snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2364         snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1,
2365                             WM8996_JD_MODE_MASK, 1);
2366
2367         /* Trigger a measurement */
2368         snd_soc_component_update_bits(component, WM8996_HEADPHONE_DETECT_1,
2369                             WM8996_HP_POLL, WM8996_HP_POLL);
2370 }
2371
2372 static void wm8996_report_headphone(struct snd_soc_component *component)
2373 {
2374         dev_dbg(component->dev, "Headphone detected\n");
2375         wm8996_hpdet_start(component);
2376
2377         /* Increase the detection rate a bit for responsiveness. */
2378         snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2379                             WM8996_MICD_RATE_MASK |
2380                             WM8996_MICD_BIAS_STARTTIME_MASK,
2381                             7 << WM8996_MICD_RATE_SHIFT |
2382                             7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2383 }
2384
2385 static void wm8996_micd(struct snd_soc_component *component)
2386 {
2387         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2388         int val, reg;
2389
2390         val = snd_soc_component_read32(component, WM8996_MIC_DETECT_3);
2391
2392         dev_dbg(component->dev, "Microphone event: %x\n", val);
2393
2394         if (!(val & WM8996_MICD_VALID)) {
2395                 dev_warn(component->dev, "Microphone detection state invalid\n");
2396                 return;
2397         }
2398
2399         /* No accessory, reset everything and report removal */
2400         if (!(val & WM8996_MICD_STS)) {
2401                 dev_dbg(component->dev, "Jack removal detected\n");
2402                 wm8996->jack_mic = false;
2403                 wm8996->detecting = true;
2404                 wm8996->jack_flips = 0;
2405                 snd_soc_jack_report(wm8996->jack, 0,
2406                                     SND_JACK_LINEOUT | SND_JACK_HEADSET |
2407                                     SND_JACK_BTN_0);
2408
2409                 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2410                                     WM8996_MICD_RATE_MASK |
2411                                     WM8996_MICD_BIAS_STARTTIME_MASK,
2412                                     WM8996_MICD_RATE_MASK |
2413                                     9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2414                 return;
2415         }
2416
2417         /* If the measurement is very high we've got a microphone,
2418          * either we just detected one or if we already reported then
2419          * we've got a button release event.
2420          */
2421         if (val & 0x400) {
2422                 if (wm8996->detecting) {
2423                         dev_dbg(component->dev, "Microphone detected\n");
2424                         wm8996->jack_mic = true;
2425                         wm8996_hpdet_start(component);
2426
2427                         /* Increase poll rate to give better responsiveness
2428                          * for buttons */
2429                         snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2430                                             WM8996_MICD_RATE_MASK |
2431                                             WM8996_MICD_BIAS_STARTTIME_MASK,
2432                                             5 << WM8996_MICD_RATE_SHIFT |
2433                                             7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2434                 } else {
2435                         dev_dbg(component->dev, "Mic button up\n");
2436                         snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2437                 }
2438
2439                 return;
2440         }
2441
2442         /* If we detected a lower impedence during initial startup
2443          * then we probably have the wrong polarity, flip it.  Don't
2444          * do this for the lowest impedences to speed up detection of
2445          * plain headphones.  If both polarities report a low
2446          * impedence then give up and report headphones.
2447          */
2448         if (wm8996->detecting && (val & 0x3f0)) {
2449                 wm8996->jack_flips++;
2450
2451                 if (wm8996->jack_flips > 1) {
2452                         wm8996_report_headphone(component);
2453                         return;
2454                 }
2455
2456                 reg = snd_soc_component_read32(component, WM8996_ACCESSORY_DETECT_MODE_2);
2457                 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2458                         WM8996_MICD_BIAS_SRC;
2459                 snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_2,
2460                                     WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2461                                     WM8996_MICD_BIAS_SRC, reg);
2462
2463                 if (wm8996->polarity_cb)
2464                         wm8996->polarity_cb(component,
2465                                             (reg & WM8996_MICD_SRC) != 0);
2466
2467                 dev_dbg(component->dev, "Set microphone polarity to %d\n",
2468                         (reg & WM8996_MICD_SRC) != 0);
2469
2470                 return;
2471         }
2472
2473         /* Don't distinguish between buttons, just report any low
2474          * impedence as BTN_0.
2475          */
2476         if (val & 0x3fc) {
2477                 if (wm8996->jack_mic) {
2478                         dev_dbg(component->dev, "Mic button detected\n");
2479                         snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2480                                             SND_JACK_BTN_0);
2481                 } else if (wm8996->detecting) {
2482                         wm8996_report_headphone(component);
2483                 }
2484         }
2485 }
2486
2487 static irqreturn_t wm8996_irq(int irq, void *data)
2488 {
2489         struct snd_soc_component *component = data;
2490         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2491         int irq_val;
2492
2493         irq_val = snd_soc_component_read32(component, WM8996_INTERRUPT_STATUS_2);
2494         if (irq_val < 0) {
2495                 dev_err(component->dev, "Failed to read IRQ status: %d\n",
2496                         irq_val);
2497                 return IRQ_NONE;
2498         }
2499         irq_val &= ~snd_soc_component_read32(component, WM8996_INTERRUPT_STATUS_2_MASK);
2500
2501         if (!irq_val)
2502                 return IRQ_NONE;
2503
2504         snd_soc_component_write(component, WM8996_INTERRUPT_STATUS_2, irq_val);
2505
2506         if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2507                 dev_dbg(component->dev, "DC servo IRQ\n");
2508                 complete(&wm8996->dcs_done);
2509         }
2510
2511         if (irq_val & WM8996_FIFOS_ERR_EINT)
2512                 dev_err(component->dev, "Digital core FIFO error\n");
2513
2514         if (irq_val & WM8996_FLL_LOCK_EINT) {
2515                 dev_dbg(component->dev, "FLL locked\n");
2516                 complete(&wm8996->fll_lock);
2517         }
2518
2519         if (irq_val & WM8996_MICD_EINT)
2520                 wm8996_micd(component);
2521
2522         if (irq_val & WM8996_HP_DONE_EINT)
2523                 wm8996_hpdet_irq(component);
2524
2525         return IRQ_HANDLED;
2526 }
2527
2528 static irqreturn_t wm8996_edge_irq(int irq, void *data)
2529 {
2530         irqreturn_t ret = IRQ_NONE;
2531         irqreturn_t val;
2532
2533         do {
2534                 val = wm8996_irq(irq, data);
2535                 if (val != IRQ_NONE)
2536                         ret = val;
2537         } while (val != IRQ_NONE);
2538
2539         return ret;
2540 }
2541
2542 static void wm8996_retune_mobile_pdata(struct snd_soc_component *component)
2543 {
2544         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2545         struct wm8996_pdata *pdata = &wm8996->pdata;
2546
2547         struct snd_kcontrol_new controls[] = {
2548                 SOC_ENUM_EXT("DSP1 EQ Mode",
2549                              wm8996->retune_mobile_enum,
2550                              wm8996_get_retune_mobile_enum,
2551                              wm8996_put_retune_mobile_enum),
2552                 SOC_ENUM_EXT("DSP2 EQ Mode",
2553                              wm8996->retune_mobile_enum,
2554                              wm8996_get_retune_mobile_enum,
2555                              wm8996_put_retune_mobile_enum),
2556         };
2557         int ret, i, j;
2558         const char **t;
2559
2560         /* We need an array of texts for the enum API but the number
2561          * of texts is likely to be less than the number of
2562          * configurations due to the sample rate dependency of the
2563          * configurations. */
2564         wm8996->num_retune_mobile_texts = 0;
2565         wm8996->retune_mobile_texts = NULL;
2566         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2567                 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2568                         if (strcmp(pdata->retune_mobile_cfgs[i].name,
2569                                    wm8996->retune_mobile_texts[j]) == 0)
2570                                 break;
2571                 }
2572
2573                 if (j != wm8996->num_retune_mobile_texts)
2574                         continue;
2575
2576                 /* Expand the array... */
2577                 t = krealloc(wm8996->retune_mobile_texts,
2578                              sizeof(char *) *
2579                              (wm8996->num_retune_mobile_texts + 1),
2580                              GFP_KERNEL);
2581                 if (t == NULL)
2582                         continue;
2583
2584                 /* ...store the new entry... */
2585                 t[wm8996->num_retune_mobile_texts] =
2586                         pdata->retune_mobile_cfgs[i].name;
2587
2588                 /* ...and remember the new version. */
2589                 wm8996->num_retune_mobile_texts++;
2590                 wm8996->retune_mobile_texts = t;
2591         }
2592
2593         dev_dbg(component->dev, "Allocated %d unique ReTune Mobile names\n",
2594                 wm8996->num_retune_mobile_texts);
2595
2596         wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
2597         wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2598
2599         ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
2600         if (ret != 0)
2601                 dev_err(component->dev,
2602                         "Failed to add ReTune Mobile controls: %d\n", ret);
2603 }
2604
2605 static const struct regmap_config wm8996_regmap = {
2606         .reg_bits = 16,
2607         .val_bits = 16,
2608
2609         .max_register = WM8996_MAX_REGISTER,
2610         .reg_defaults = wm8996_reg,
2611         .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2612         .volatile_reg = wm8996_volatile_register,
2613         .readable_reg = wm8996_readable_register,
2614         .cache_type = REGCACHE_RBTREE,
2615 };
2616
2617 static int wm8996_probe(struct snd_soc_component *component)
2618 {
2619         int ret;
2620         struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2621         struct i2c_client *i2c = to_i2c_client(component->dev);
2622         int irq_flags;
2623
2624         wm8996->component = component;
2625
2626         init_completion(&wm8996->dcs_done);
2627         init_completion(&wm8996->fll_lock);
2628
2629         if (wm8996->pdata.num_retune_mobile_cfgs)
2630                 wm8996_retune_mobile_pdata(component);
2631         else
2632                 snd_soc_add_component_controls(component, wm8996_eq_controls,
2633                                      ARRAY_SIZE(wm8996_eq_controls));
2634
2635         if (i2c->irq) {
2636                 if (wm8996->pdata.irq_flags)
2637                         irq_flags = wm8996->pdata.irq_flags;
2638                 else
2639                         irq_flags = IRQF_TRIGGER_LOW;
2640
2641                 irq_flags |= IRQF_ONESHOT;
2642
2643                 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2644                         ret = request_threaded_irq(i2c->irq, NULL,
2645                                                    wm8996_edge_irq,
2646                                                    irq_flags, "wm8996", component);
2647                 else
2648                         ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2649                                                    irq_flags, "wm8996", component);
2650
2651                 if (ret == 0) {
2652                         /* Unmask the interrupt */
2653                         snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL,
2654                                             WM8996_IM_IRQ, 0);
2655
2656                         /* Enable error reporting and DC servo status */
2657                         snd_soc_component_update_bits(component,
2658                                             WM8996_INTERRUPT_STATUS_2_MASK,
2659                                             WM8996_IM_DCS_DONE_23_EINT |
2660                                             WM8996_IM_DCS_DONE_01_EINT |
2661                                             WM8996_IM_FLL_LOCK_EINT |
2662                                             WM8996_IM_FIFOS_ERR_EINT,
2663                                             0);
2664                 } else {
2665                         dev_err(component->dev, "Failed to request IRQ: %d\n",
2666                                 ret);
2667                         return ret;
2668                 }
2669         }
2670
2671         return 0;
2672 }
2673
2674 static void wm8996_remove(struct snd_soc_component *component)
2675 {
2676         struct i2c_client *i2c = to_i2c_client(component->dev);
2677
2678         snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL,
2679                             WM8996_IM_IRQ, WM8996_IM_IRQ);
2680
2681         if (i2c->irq)
2682                 free_irq(i2c->irq, component);
2683 }
2684
2685 static const struct snd_soc_component_driver soc_component_dev_wm8996 = {
2686         .probe                  = wm8996_probe,
2687         .remove                 = wm8996_remove,
2688         .set_bias_level         = wm8996_set_bias_level,
2689         .seq_notifier           = wm8996_seq_notifier,
2690         .controls               = wm8996_snd_controls,
2691         .num_controls           = ARRAY_SIZE(wm8996_snd_controls),
2692         .dapm_widgets           = wm8996_dapm_widgets,
2693         .num_dapm_widgets       = ARRAY_SIZE(wm8996_dapm_widgets),
2694         .dapm_routes            = wm8996_dapm_routes,
2695         .num_dapm_routes        = ARRAY_SIZE(wm8996_dapm_routes),
2696         .set_pll                = wm8996_set_fll,
2697         .use_pmdown_time        = 1,
2698         .endianness             = 1,
2699         .non_legacy_dai_naming  = 1,
2700
2701 };
2702
2703 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2704                       SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2705                       SNDRV_PCM_RATE_48000)
2706 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2707                         SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2708                         SNDRV_PCM_FMTBIT_S32_LE)
2709
2710 static const struct snd_soc_dai_ops wm8996_dai_ops = {
2711         .set_fmt = wm8996_set_fmt,
2712         .hw_params = wm8996_hw_params,
2713         .set_sysclk = wm8996_set_sysclk,
2714 };
2715
2716 static struct snd_soc_dai_driver wm8996_dai[] = {
2717         {
2718                 .name = "wm8996-aif1",
2719                 .playback = {
2720                         .stream_name = "AIF1 Playback",
2721                         .channels_min = 1,
2722                         .channels_max = 6,
2723                         .rates = WM8996_RATES,
2724                         .formats = WM8996_FORMATS,
2725                         .sig_bits = 24,
2726                 },
2727                 .capture = {
2728                          .stream_name = "AIF1 Capture",
2729                          .channels_min = 1,
2730                          .channels_max = 6,
2731                          .rates = WM8996_RATES,
2732                          .formats = WM8996_FORMATS,
2733                          .sig_bits = 24,
2734                  },
2735                 .ops = &wm8996_dai_ops,
2736         },
2737         {
2738                 .name = "wm8996-aif2",
2739                 .playback = {
2740                         .stream_name = "AIF2 Playback",
2741                         .channels_min = 1,
2742                         .channels_max = 2,
2743                         .rates = WM8996_RATES,
2744                         .formats = WM8996_FORMATS,
2745                         .sig_bits = 24,
2746                 },
2747                 .capture = {
2748                          .stream_name = "AIF2 Capture",
2749                          .channels_min = 1,
2750                          .channels_max = 2,
2751                          .rates = WM8996_RATES,
2752                          .formats = WM8996_FORMATS,
2753                         .sig_bits = 24,
2754                  },
2755                 .ops = &wm8996_dai_ops,
2756         },
2757 };
2758
2759 static int wm8996_i2c_probe(struct i2c_client *i2c,
2760                             const struct i2c_device_id *id)
2761 {
2762         struct wm8996_priv *wm8996;
2763         int ret, i;
2764         unsigned int reg;
2765
2766         wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2767                               GFP_KERNEL);
2768         if (wm8996 == NULL)
2769                 return -ENOMEM;
2770
2771         i2c_set_clientdata(i2c, wm8996);
2772         wm8996->dev = &i2c->dev;
2773
2774         if (dev_get_platdata(&i2c->dev))
2775                 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2776                        sizeof(wm8996->pdata));
2777
2778         if (wm8996->pdata.ldo_ena > 0) {
2779                 ret = gpio_request_one(wm8996->pdata.ldo_ena,
2780                                        GPIOF_OUT_INIT_LOW, "WM8996 ENA");
2781                 if (ret < 0) {
2782                         dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
2783                                 wm8996->pdata.ldo_ena, ret);
2784                         goto err;
2785                 }
2786         }
2787
2788         for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2789                 wm8996->supplies[i].supply = wm8996_supply_names[i];
2790
2791         ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2792                                       wm8996->supplies);
2793         if (ret != 0) {
2794                 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2795                 goto err_gpio;
2796         }
2797
2798         wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2799         wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2800         wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2801
2802         /* This should really be moved into the regulator core */
2803         for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2804                 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2805                                                   &wm8996->disable_nb[i]);
2806                 if (ret != 0) {
2807                         dev_err(&i2c->dev,
2808                                 "Failed to register regulator notifier: %d\n",
2809                                 ret);
2810                 }
2811         }
2812
2813         ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2814                                     wm8996->supplies);
2815         if (ret != 0) {
2816                 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2817                 goto err_gpio;
2818         }
2819
2820         if (wm8996->pdata.ldo_ena > 0) {
2821                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2822                 msleep(5);
2823         }
2824
2825         wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2826         if (IS_ERR(wm8996->regmap)) {
2827                 ret = PTR_ERR(wm8996->regmap);
2828                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2829                 goto err_enable;
2830         }
2831
2832         ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, &reg);
2833         if (ret < 0) {
2834                 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2835                 goto err_regmap;
2836         }
2837         if (reg != 0x8915) {
2838                 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2839                 ret = -EINVAL;
2840                 goto err_regmap;
2841         }
2842
2843         ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, &reg);
2844         if (ret < 0) {
2845                 dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2846                         ret);
2847                 goto err_regmap;
2848         }
2849
2850         dev_info(&i2c->dev, "revision %c\n",
2851                  (reg & WM8996_CHIP_REV_MASK) + 'A');
2852
2853         if (wm8996->pdata.ldo_ena > 0) {
2854                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2855                 regcache_cache_only(wm8996->regmap, true);
2856         } else {
2857                 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2858                                    0x8915);
2859                 if (ret != 0) {
2860                         dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2861                         goto err_regmap;
2862                 }
2863         }
2864
2865         regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2866
2867         /* Apply platform data settings */
2868         regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2869                            WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2870                            wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2871                            wm8996->pdata.inr_mode);
2872
2873         for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2874                 if (!wm8996->pdata.gpio_default[i])
2875                         continue;
2876
2877                 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2878                              wm8996->pdata.gpio_default[i] & 0xffff);
2879         }
2880
2881         if (wm8996->pdata.spkmute_seq)
2882                 regmap_update_bits(wm8996->regmap,
2883                                    WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2884                                    WM8996_SPK_MUTE_ENDIAN |
2885                                    WM8996_SPK_MUTE_SEQ1_MASK,
2886                                    wm8996->pdata.spkmute_seq);
2887
2888         regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2889                            WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2890                            WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2891
2892         /* Latch volume update bits */
2893         regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2894                            WM8996_IN1_VU, WM8996_IN1_VU);
2895         regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2896                            WM8996_IN1_VU, WM8996_IN1_VU);
2897
2898         regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2899                            WM8996_DAC1_VU, WM8996_DAC1_VU);
2900         regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2901                            WM8996_DAC1_VU, WM8996_DAC1_VU);
2902         regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2903                            WM8996_DAC2_VU, WM8996_DAC2_VU);
2904         regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2905                            WM8996_DAC2_VU, WM8996_DAC2_VU);
2906
2907         regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2908                            WM8996_DAC1_VU, WM8996_DAC1_VU);
2909         regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2910                            WM8996_DAC1_VU, WM8996_DAC1_VU);
2911         regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2912                            WM8996_DAC2_VU, WM8996_DAC2_VU);
2913         regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2914                            WM8996_DAC2_VU, WM8996_DAC2_VU);
2915
2916         regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2917                            WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2918         regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2919                            WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2920         regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2921                            WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2922         regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2923                            WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2924
2925         regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2926                            WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2927         regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2928                            WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2929         regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2930                            WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2931         regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2932                            WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2933
2934         /* No support currently for the underclocked TDM modes and
2935          * pick a default TDM layout with each channel pair working with
2936          * slots 0 and 1. */
2937         regmap_update_bits(wm8996->regmap,
2938                            WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2939                            WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2940                            WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2941                            1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2942         regmap_update_bits(wm8996->regmap,
2943                            WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2944                            WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2945                            WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2946                            1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2947         regmap_update_bits(wm8996->regmap,
2948                            WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2949                            WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2950                            WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2951                            1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2952         regmap_update_bits(wm8996->regmap,
2953                            WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2954                            WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2955                            WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2956                            1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2957         regmap_update_bits(wm8996->regmap,
2958                            WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2959                            WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2960                            WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2961                            1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2962         regmap_update_bits(wm8996->regmap,
2963                            WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2964                            WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2965                            WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2966                            1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2967
2968         regmap_update_bits(wm8996->regmap,
2969                            WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2970                            WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2971                            WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2972                            1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2973         regmap_update_bits(wm8996->regmap,
2974                            WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2975                            WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2976                            WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2977                            1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2978
2979         regmap_update_bits(wm8996->regmap,
2980                            WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2981                            WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2982                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2983                            1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2984         regmap_update_bits(wm8996->regmap,
2985                            WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2986                            WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2987                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2988                            1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2989         regmap_update_bits(wm8996->regmap,
2990                            WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2991                            WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2992                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2993                            1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2994         regmap_update_bits(wm8996->regmap,
2995                            WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
2996                            WM8996_AIF1TX_CHAN3_SLOTS_MASK |
2997                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2998                            1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
2999         regmap_update_bits(wm8996->regmap,
3000                            WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
3001                            WM8996_AIF1TX_CHAN4_SLOTS_MASK |
3002                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3003                            1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
3004         regmap_update_bits(wm8996->regmap,
3005                            WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
3006                            WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3007                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3008                            1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3009
3010         regmap_update_bits(wm8996->regmap,
3011                            WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3012                            WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3013                            WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3014                            1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3015         regmap_update_bits(wm8996->regmap,
3016                            WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3017                            WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3018                            WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3019                            1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3020
3021         /* If the TX LRCLK pins are not in LRCLK mode configure the
3022          * AIFs to source their clocks from the RX LRCLKs.
3023          */
3024         ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
3025         if (ret != 0) {
3026                 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3027                 goto err_regmap;
3028         }
3029
3030         if (reg & WM8996_GP1_FN_MASK)
3031                 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3032                                    WM8996_AIF1TX_LRCLK_MODE,
3033                                    WM8996_AIF1TX_LRCLK_MODE);
3034
3035         ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
3036         if (ret != 0) {
3037                 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3038                 goto err_regmap;
3039         }
3040
3041         if (reg & WM8996_GP2_FN_MASK)
3042                 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3043                                    WM8996_AIF2TX_LRCLK_MODE,
3044                                    WM8996_AIF2TX_LRCLK_MODE);
3045
3046         wm8996_init_gpio(wm8996);
3047
3048         ret = devm_snd_soc_register_component(&i2c->dev,
3049                                      &soc_component_dev_wm8996, wm8996_dai,
3050                                      ARRAY_SIZE(wm8996_dai));
3051         if (ret < 0)
3052                 goto err_gpiolib;
3053
3054         return ret;
3055
3056 err_gpiolib:
3057         wm8996_free_gpio(wm8996);
3058 err_regmap:
3059 err_enable:
3060         if (wm8996->pdata.ldo_ena > 0)
3061                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3062         regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3063 err_gpio:
3064         if (wm8996->pdata.ldo_ena > 0)
3065                 gpio_free(wm8996->pdata.ldo_ena);
3066 err:
3067
3068         return ret;
3069 }
3070
3071 static int wm8996_i2c_remove(struct i2c_client *client)
3072 {
3073         struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3074         int i;
3075
3076         wm8996_free_gpio(wm8996);
3077         if (wm8996->pdata.ldo_ena > 0) {
3078                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3079                 gpio_free(wm8996->pdata.ldo_ena);
3080         }
3081         for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3082                 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3083                                               &wm8996->disable_nb[i]);
3084
3085         return 0;
3086 }
3087
3088 static const struct i2c_device_id wm8996_i2c_id[] = {
3089         { "wm8996", 0 },
3090         { }
3091 };
3092 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3093
3094 static struct i2c_driver wm8996_i2c_driver = {
3095         .driver = {
3096                 .name = "wm8996",
3097         },
3098         .probe =    wm8996_i2c_probe,
3099         .remove =   wm8996_i2c_remove,
3100         .id_table = wm8996_i2c_id,
3101 };
3102
3103 module_i2c_driver(wm8996_i2c_driver);
3104
3105 MODULE_DESCRIPTION("ASoC WM8996 driver");
3106 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3107 MODULE_LICENSE("GPL");