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.h>
  21 #include <linux/i2c.h>
  22 #include <linux/regmap.h>
  23 #include <linux/regulator/consumer.h>
  24 #include <linux/slab.h>
  25 #include <linux/workqueue.h>
  26 #include <sound/core.h>
  27 #include <sound/jack.h>
  28 #include <sound/pcm.h>
  29 #include <sound/pcm_params.h>
  30 #include <sound/soc.h>
  31 #include <sound/initval.h>
  32 #include <sound/tlv.h>
  33 #include <trace/events/asoc.h>
  34
  35 #include <sound/wm8996.h>
  36 #include "wm8996.h"
  37
  38 #define WM8996_AIFS 2
  39
  40 #define HPOUT1L 1
  41 #define HPOUT1R 2
  42 #define HPOUT2L 4
  43 #define HPOUT2R 8
  44
  45 #define WM8996_NUM_SUPPLIES 3
  46 static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
  47         "DBVDD",
  48         "AVDD1",
  49         "AVDD2",
  50 };
  51
  52 struct wm8996_priv {
  53         struct device *dev;
  54         struct regmap *regmap;
  55         struct snd_soc_codec *codec;
  56
  57         int ldo1ena;
  58
  59         int sysclk;
  60         int sysclk_src;
  61
  62         int fll_src;
  63         int fll_fref;
  64         int fll_fout;
  65
  66         struct completion fll_lock;
  67
  68         u16 dcs_pending;
  69         struct completion dcs_done;
  70
  71         u16 hpout_ena;
  72         u16 hpout_pending;
  73
  74         struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
  75         struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
  76         int bg_ena;
  77
  78         struct wm8996_pdata pdata;
  79
  80         int rx_rate[WM8996_AIFS];
  81         int bclk_rate[WM8996_AIFS];
  82
  83         /* Platform dependant ReTune mobile configuration */
  84         int num_retune_mobile_texts;
  85         const char **retune_mobile_texts;
  86         int retune_mobile_cfg[2];
  87         struct soc_enum retune_mobile_enum;
  88
  89         struct snd_soc_jack *jack;
  90         bool detecting;
  91         bool jack_mic;
  92         int jack_flips;
  93         wm8996_polarity_fn polarity_cb;
  94
  95 #ifdef CONFIG_GPIOLIB
  96         struct gpio_chip gpio_chip;
  97 #endif
  98 };
  99
 100 /* We can't use the same notifier block for more than one supply and
 101  * there's no way I can see to get from a callback to the caller
 102  * except container_of().
 103  */
 104 #define WM8996_REGULATOR_EVENT(n) \
 105 static int wm8996_regulator_event_##n(struct notifier_block *nb, \
 106                                     unsigned long event, void *data)    \
 107 { \
 108         struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
 109                                                   disable_nb[n]); \
 110         if (event & REGULATOR_EVENT_DISABLE) { \
 111                 regcache_mark_dirty(wm8996->regmap);    \
 112         } \
 113         return 0; \
 114 }
 115
 116 WM8996_REGULATOR_EVENT(0)
 117 WM8996_REGULATOR_EVENT(1)
 118 WM8996_REGULATOR_EVENT(2)
 119
 120 static struct reg_default wm8996_reg[] = {
 121         { WM8996_POWER_MANAGEMENT_1, 0x0 },
 122         { WM8996_POWER_MANAGEMENT_2, 0x0 },
 123         { WM8996_POWER_MANAGEMENT_3, 0x0 },
 124         { WM8996_POWER_MANAGEMENT_4, 0x0 },
 125         { WM8996_POWER_MANAGEMENT_5, 0x0 },
 126         { WM8996_POWER_MANAGEMENT_6, 0x0 },
 127         { WM8996_POWER_MANAGEMENT_7, 0x10 },
 128         { WM8996_POWER_MANAGEMENT_8, 0x0 },
 129         { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
 130         { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
 131         { WM8996_LINE_INPUT_CONTROL, 0x0 },
 132         { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
 133         { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
 134         { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
 135         { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
 136         { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
 137         { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
 138         { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
 139         { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
 140         { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
 141         { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
 142         { WM8996_MICBIAS_1, 0x39 },
 143         { WM8996_MICBIAS_2, 0x39 },
 144         { WM8996_LDO_1, 0x3 },
 145         { WM8996_LDO_2, 0x13 },
 146         { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
 147         { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
 148         { WM8996_HEADPHONE_DETECT_1, 0x20 },
 149         { WM8996_HEADPHONE_DETECT_2, 0x0 },
 150         { WM8996_MIC_DETECT_1, 0x7600 },
 151         { WM8996_MIC_DETECT_2, 0xbf },
 152         { WM8996_CHARGE_PUMP_1, 0x1f25 },
 153         { WM8996_CHARGE_PUMP_2, 0xab19 },
 154         { WM8996_DC_SERVO_1, 0x0 },
 155         { WM8996_DC_SERVO_3, 0x0 },
 156         { WM8996_DC_SERVO_5, 0x2a2a },
 157         { WM8996_DC_SERVO_6, 0x0 },
 158         { WM8996_DC_SERVO_7, 0x0 },
 159         { WM8996_ANALOGUE_HP_1, 0x0 },
 160         { WM8996_ANALOGUE_HP_2, 0x0 },
 161         { WM8996_CONTROL_INTERFACE_1, 0x8004 },
 162         { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
 163         { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
 164         { WM8996_AIF_CLOCKING_1, 0x0 },
 165         { WM8996_AIF_CLOCKING_2, 0x0 },
 166         { WM8996_CLOCKING_1, 0x10 },
 167         { WM8996_CLOCKING_2, 0x0 },
 168         { WM8996_AIF_RATE, 0x83 },
 169         { WM8996_FLL_CONTROL_1, 0x0 },
 170         { WM8996_FLL_CONTROL_2, 0x0 },
 171         { WM8996_FLL_CONTROL_3, 0x0 },
 172         { WM8996_FLL_CONTROL_4, 0x5dc0 },
 173         { WM8996_FLL_CONTROL_5, 0xc84 },
 174         { WM8996_FLL_EFS_1, 0x0 },
 175         { WM8996_FLL_EFS_2, 0x2 },
 176         { WM8996_AIF1_CONTROL, 0x0 },
 177         { WM8996_AIF1_BCLK, 0x0 },
 178         { WM8996_AIF1_TX_LRCLK_1, 0x80 },
 179         { WM8996_AIF1_TX_LRCLK_2, 0x8 },
 180         { WM8996_AIF1_RX_LRCLK_1, 0x80 },
 181         { WM8996_AIF1_RX_LRCLK_2, 0x0 },
 182         { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
 183         { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
 184         { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
 185         { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
 186         { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
 187         { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
 188         { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
 189         { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
 190         { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
 191         { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
 192         { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
 193         { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
 194         { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
 195         { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
 196         { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
 197         { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
 198         { WM8996_AIF1TX_TEST, 0x7 },
 199         { WM8996_AIF2_CONTROL, 0x0 },
 200         { WM8996_AIF2_BCLK, 0x0 },
 201         { WM8996_AIF2_TX_LRCLK_1, 0x80 },
 202         { WM8996_AIF2_TX_LRCLK_2, 0x8 },
 203         { WM8996_AIF2_RX_LRCLK_1, 0x80 },
 204         { WM8996_AIF2_RX_LRCLK_2, 0x0 },
 205         { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
 206         { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
 207         { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
 208         { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
 209         { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
 210         { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
 211         { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
 212         { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
 213         { WM8996_AIF2TX_TEST, 0x1 },
 214         { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
 215         { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
 216         { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
 217         { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
 218         { WM8996_DSP1_TX_FILTERS, 0x2000 },
 219         { WM8996_DSP1_RX_FILTERS_1, 0x200 },
 220         { WM8996_DSP1_RX_FILTERS_2, 0x10 },
 221         { WM8996_DSP1_DRC_1, 0x98 },
 222         { WM8996_DSP1_DRC_2, 0x845 },
 223         { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
 224         { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
 225         { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
 226         { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
 227         { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
 228         { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
 229         { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
 230         { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
 231         { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
 232         { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
 233         { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
 234         { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
 235         { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
 236         { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
 237         { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
 238         { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
 239         { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
 240         { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
 241         { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
 242         { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
 243         { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
 244         { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
 245         { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
 246         { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
 247         { WM8996_DSP2_TX_FILTERS, 0x2000 },
 248         { WM8996_DSP2_RX_FILTERS_1, 0x200 },
 249         { WM8996_DSP2_RX_FILTERS_2, 0x10 },
 250         { WM8996_DSP2_DRC_1, 0x98 },
 251         { WM8996_DSP2_DRC_2, 0x845 },
 252         { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
 253         { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
 254         { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
 255         { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
 256         { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
 257         { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
 258         { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
 259         { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
 260         { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
 261         { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
 262         { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
 263         { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
 264         { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
 265         { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
 266         { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
 267         { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
 268         { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
 269         { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
 270         { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
 271         { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
 272         { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
 273         { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
 274         { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
 275         { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
 276         { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
 277         { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
 278         { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
 279         { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
 280         { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
 281         { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
 282         { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
 283         { WM8996_DAC_SOFTMUTE, 0x0 },
 284         { WM8996_OVERSAMPLING, 0xd },
 285         { WM8996_SIDETONE, 0x1040 },
 286         { WM8996_GPIO_1, 0xa101 },
 287         { WM8996_GPIO_2, 0xa101 },
 288         { WM8996_GPIO_3, 0xa101 },
 289         { WM8996_GPIO_4, 0xa101 },
 290         { WM8996_GPIO_5, 0xa101 },
 291         { WM8996_PULL_CONTROL_1, 0x0 },
 292         { WM8996_PULL_CONTROL_2, 0x140 },
 293         { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
 294         { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
 295         { WM8996_LEFT_PDM_SPEAKER, 0x0 },
 296         { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
 297         { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
 298         { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
 299 };
 300
 301 static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
 302 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
 303 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
 304 static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
 305 static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
 306 static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
 307 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
 308 static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
 309
 310 static const char *sidetone_hpf_text[] = {
 311         "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
 312 };
 313
 314 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
 315                             WM8996_SIDETONE, 7, sidetone_hpf_text);
 316
 317 static const char *hpf_mode_text[] = {
 318         "HiFi", "Custom", "Voice"
 319 };
 320
 321 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
 322                             WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
 323
 324 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
 325                             WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
 326
 327 static const char *hpf_cutoff_text[] = {
 328         "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 329 };
 330
 331 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
 332                             WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
 333
 334 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
 335                             WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
 336
 337 static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
 338 {
 339         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 340         struct wm8996_pdata *pdata = &wm8996->pdata;
 341         int base, best, best_val, save, i, cfg, iface;
 342
 343         if (!wm8996->num_retune_mobile_texts)
 344                 return;
 345
 346         switch (block) {
 347         case 0:
 348                 base = WM8996_DSP1_RX_EQ_GAINS_1;
 349                 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
 350                     WM8996_DSP1RX_SRC)
 351                         iface = 1;
 352                 else
 353                         iface = 0;
 354                 break;
 355         case 1:
 356                 base = WM8996_DSP1_RX_EQ_GAINS_2;
 357                 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
 358                     WM8996_DSP2RX_SRC)
 359                         iface = 1;
 360                 else
 361                         iface = 0;
 362                 break;
 363         default:
 364                 return;
 365         }
 366
 367         /* Find the version of the currently selected configuration
 368          * with the nearest sample rate. */
 369         cfg = wm8996->retune_mobile_cfg[block];
 370         best = 0;
 371         best_val = INT_MAX;
 372         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
 373                 if (strcmp(pdata->retune_mobile_cfgs[i].name,
 374                            wm8996->retune_mobile_texts[cfg]) == 0 &&
 375                     abs(pdata->retune_mobile_cfgs[i].rate
 376                         - wm8996->rx_rate[iface]) < best_val) {
 377                         best = i;
 378                         best_val = abs(pdata->retune_mobile_cfgs[i].rate
 379                                        - wm8996->rx_rate[iface]);
 380                 }
 381         }
 382
 383         dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
 384                 block,
 385                 pdata->retune_mobile_cfgs[best].name,
 386                 pdata->retune_mobile_cfgs[best].rate,
 387                 wm8996->rx_rate[iface]);
 388
 389         /* The EQ will be disabled while reconfiguring it, remember the
 390          * current configuration.
 391          */
 392         save = snd_soc_read(codec, base);
 393         save &= WM8996_DSP1RX_EQ_ENA;
 394
 395         for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
 396                 snd_soc_update_bits(codec, base + i, 0xffff,
 397                                     pdata->retune_mobile_cfgs[best].regs[i]);
 398
 399         snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
 400 }
 401
 402 /* Icky as hell but saves code duplication */
 403 static int wm8996_get_retune_mobile_block(const char *name)
 404 {
 405         if (strcmp(name, "DSP1 EQ Mode") == 0)
 406                 return 0;
 407         if (strcmp(name, "DSP2 EQ Mode") == 0)
 408                 return 1;
 409         return -EINVAL;
 410 }
 411
 412 static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 413                                          struct snd_ctl_elem_value *ucontrol)
 414 {
 415         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 416         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 417         struct wm8996_pdata *pdata = &wm8996->pdata;
 418         int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 419         int value = ucontrol->value.integer.value[0];
 420
 421         if (block < 0)
 422                 return block;
 423
 424         if (value >= pdata->num_retune_mobile_cfgs)
 425                 return -EINVAL;
 426
 427         wm8996->retune_mobile_cfg[block] = value;
 428
 429         wm8996_set_retune_mobile(codec, block);
 430
 431         return 0;
 432 }
 433
 434 static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 435                                          struct snd_ctl_elem_value *ucontrol)
 436 {
 437         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 438         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 439         int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
 440
 441         if (block < 0)
 442                 return block;
 443         ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
 444
 445         return 0;
 446 }
 447
 448 static const struct snd_kcontrol_new wm8996_snd_controls[] = {
 449 SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
 450                  WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
 451 SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
 452              WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
 453
 454 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
 455                0, 5, 24, 0, sidetone_tlv),
 456 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
 457                0, 5, 24, 0, sidetone_tlv),
 458 SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
 459 SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
 460 SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
 461
 462 SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
 463                  WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
 464 SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
 465                  WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
 466
 467 SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
 468            13, 1, 0),
 469 SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
 470 SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
 471 SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
 472
 473 SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
 474            13, 1, 0),
 475 SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
 476 SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
 477 SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
 478
 479 SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
 480                  WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 481 SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
 482
 483 SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
 484                  WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 485 SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
 486
 487 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
 488                  WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 489 SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
 490              WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
 491
 492 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
 493                  WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
 494 SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
 495              WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
 496
 497 SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
 498 SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
 499 SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
 500 SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
 501
 502 SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
 503 SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
 504
 505 SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
 506 SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
 507
 508 SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
 509                 0, threedstereo_tlv),
 510 SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
 511                 0, threedstereo_tlv),
 512
 513 SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
 514                8, 0, out_digital_tlv),
 515 SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
 516                8, 0, out_digital_tlv),
 517
 518 SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
 519                  WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
 520 SOC_DOUBLE_R("Output 1 ZC Switch",  WM8996_OUTPUT1_LEFT_VOLUME,
 521              WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
 522
 523 SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
 524                  WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
 525 SOC_DOUBLE_R("Output 2 ZC Switch",  WM8996_OUTPUT2_LEFT_VOLUME,
 526              WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
 527
 528 SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
 529                spk_tlv),
 530 SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
 531              WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
 532 SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
 533              WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
 534
 535 SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
 536 SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
 537
 538 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
 539 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
 540 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
 541 SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
 542                    WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
 543                    WM8996_DSP1TXR_DRC_ENA),
 544
 545 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
 546 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
 547 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
 548 SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
 549                    WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
 550                    WM8996_DSP2TXR_DRC_ENA),
 551 };
 552
 553 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
 554 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
 555                eq_tlv),
 556 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
 557                eq_tlv),
 558 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
 559                eq_tlv),
 560 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
 561                eq_tlv),
 562 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
 563                eq_tlv),
 564
 565 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
 566                eq_tlv),
 567 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
 568                eq_tlv),
 569 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
 570                eq_tlv),
 571 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
 572                eq_tlv),
 573 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
 574                eq_tlv),
 575 };
 576
 577 static void wm8996_bg_enable(struct snd_soc_codec *codec)
 578 {
 579         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 580
 581         wm8996->bg_ena++;
 582         if (wm8996->bg_ena == 1) {
 583                 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
 584                                     WM8996_BG_ENA, WM8996_BG_ENA);
 585                 msleep(2);
 586         }
 587 }
 588
 589 static void wm8996_bg_disable(struct snd_soc_codec *codec)
 590 {
 591         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 592
 593         wm8996->bg_ena--;
 594         if (!wm8996->bg_ena)
 595                 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
 596                                     WM8996_BG_ENA, 0);
 597 }
 598
 599 static int bg_event(struct snd_soc_dapm_widget *w,
 600                     struct snd_kcontrol *kcontrol, int event)
 601 {
 602         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 603         int ret = 0;
 604
 605         switch (event) {
 606         case SND_SOC_DAPM_PRE_PMU:
 607                 wm8996_bg_enable(codec);
 608                 break;
 609         case SND_SOC_DAPM_POST_PMD:
 610                 wm8996_bg_disable(codec);
 611                 break;
 612         default:
 613                 WARN(1, "Invalid event %d\n", event);
 614                 ret = -EINVAL;
 615         }
 616
 617         return ret;
 618 }
 619
 620 static int cp_event(struct snd_soc_dapm_widget *w,
 621                     struct snd_kcontrol *kcontrol, int event)
 622 {
 623         switch (event) {
 624         case SND_SOC_DAPM_POST_PMU:
 625                 msleep(5);
 626                 break;
 627         default:
 628                 WARN(1, "Invalid event %d\n", event);
 629         }
 630
 631         return 0;
 632 }
 633
 634 static int rmv_short_event(struct snd_soc_dapm_widget *w,
 635                            struct snd_kcontrol *kcontrol, int event)
 636 {
 637         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 638         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 639
 640         /* Record which outputs we enabled */
 641         switch (event) {
 642         case SND_SOC_DAPM_PRE_PMD:
 643                 wm8996->hpout_pending &= ~w->shift;
 644                 break;
 645         case SND_SOC_DAPM_PRE_PMU:
 646                 wm8996->hpout_pending |= w->shift;
 647                 break;
 648         default:
 649                 WARN(1, "Invalid event %d\n", event);
 650                 return -EINVAL;
 651         }
 652
 653         return 0;
 654 }
 655
 656 static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
 657 {
 658         struct i2c_client *i2c = to_i2c_client(codec->dev);
 659         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 660         int ret;
 661         unsigned long timeout = 200;
 662
 663         snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
 664
 665         /* Use the interrupt if possible */
 666         do {
 667                 if (i2c->irq) {
 668                         timeout = wait_for_completion_timeout(&wm8996->dcs_done,
 669                                                               msecs_to_jiffies(200));
 670                         if (timeout == 0)
 671                                 dev_err(codec->dev, "DC servo timed out\n");
 672
 673                 } else {
 674                         msleep(1);
 675                         timeout--;
 676                 }
 677
 678                 ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
 679                 dev_dbg(codec->dev, "DC servo state: %x\n", ret);
 680         } while (timeout && ret & mask);
 681
 682         if (timeout == 0)
 683                 dev_err(codec->dev, "DC servo timed out for %x\n", mask);
 684         else
 685                 dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
 686 }
 687
 688 static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
 689                                 enum snd_soc_dapm_type event, int subseq)
 690 {
 691         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
 692         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 693         u16 val, mask;
 694
 695         /* Complete any pending DC servo starts */
 696         if (wm8996->dcs_pending) {
 697                 dev_dbg(codec->dev, "Starting DC servo for %x\n",
 698                         wm8996->dcs_pending);
 699
 700                 /* Trigger a startup sequence */
 701                 wait_for_dc_servo(codec, 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(codec->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_update_bits(codec, 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_update_bits(codec, 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_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 763         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
 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 1;
1502         default:
1503                 return 0;
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 1;
1526         default:
1527                 return 0;
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_codec *codec)
1536 {
1537         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
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(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1568                         bclk_divs[best], bclk_rate);
1569
1570                 snd_soc_update_bits(codec, bclk_reg,
1571                                     WM8996_AIF1_BCLK_DIV_MASK, best);
1572         }
1573 }
1574
1575 static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1576                                  enum snd_soc_bias_level level)
1577 {
1578         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
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_update_bits(codec, WM8996_MICBIAS_1,
1587                                     WM8996_MICB1_MODE, 0);
1588                 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1589                                     WM8996_MICB2_MODE, 0);
1590                 break;
1591
1592         case SND_SOC_BIAS_STANDBY:
1593                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1594                         ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1595                                                     wm8996->supplies);
1596                         if (ret != 0) {
1597                                 dev_err(codec->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_update_bits(codec, WM8996_MICBIAS_1,
1615                                     WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1616                 snd_soc_update_bits(codec, 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_codec *codec = dai->codec;
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_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1714         snd_soc_update_bits(codec, bclk_reg,
1715                             WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1716                             bclk);
1717         snd_soc_update_bits(codec, lrclk_tx_reg,
1718                             WM8996_AIF1TX_LRCLK_INV |
1719                             WM8996_AIF1TX_LRCLK_MSTR,
1720                             lrclk_tx);
1721         snd_soc_update_bits(codec, 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_codec *codec = dai->codec;
1738         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
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_read(codec, 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_read(codec, 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(codec->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 = snd_pcm_format_width(params_format(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(codec);
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_update_bits(codec, aifdata_reg,
1803                             WM8996_AIF1TX_WL_MASK |
1804                             WM8996_AIF1TX_SLOT_LEN_MASK,
1805                             aifdata);
1806         snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1807                             lrclk);
1808         snd_soc_update_bits(codec, 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_codec *codec = dai->codec;
1818         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
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_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1830         snd_soc_update_bits(codec, 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(codec->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_update_bits(codec, 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         case 11289600:
1862         case 12288000:
1863                 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1864                                     WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1865                 break;
1866         case 32000:
1867         case 32768:
1868                 lfclk = WM8996_LFCLK_ENA;
1869                 sync = 0;
1870                 break;
1871         default:
1872                 dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1873                          wm8996->sysclk);
1874                 return -EINVAL;
1875         }
1876
1877         wm8996_update_bclk(codec);
1878
1879         snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1880                             WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1881                             src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1882         snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1883         snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
1884                             WM8996_REG_SYNC, sync);
1885         snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1886                             WM8996_SYSCLK_ENA, old);
1887
1888         wm8996->sysclk_src = clk_id;
1889
1890         return 0;
1891 }
1892
1893 struct _fll_div {
1894         u16 fll_fratio;
1895         u16 fll_outdiv;
1896         u16 fll_refclk_div;
1897         u16 fll_loop_gain;
1898         u16 fll_ref_freq;
1899         u16 n;
1900         u16 theta;
1901         u16 lambda;
1902 };
1903
1904 static struct {
1905         unsigned int min;
1906         unsigned int max;
1907         u16 fll_fratio;
1908         int ratio;
1909 } fll_fratios[] = {
1910         {       0,    64000, 4, 16 },
1911         {   64000,   128000, 3,  8 },
1912         {  128000,   256000, 2,  4 },
1913         {  256000,  1000000, 1,  2 },
1914         { 1000000, 13500000, 0,  1 },
1915 };
1916
1917 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1918                        unsigned int Fout)
1919 {
1920         unsigned int target;
1921         unsigned int div;
1922         unsigned int fratio, gcd_fll;
1923         int i;
1924
1925         /* Fref must be <=13.5MHz */
1926         div = 1;
1927         fll_div->fll_refclk_div = 0;
1928         while ((Fref / div) > 13500000) {
1929                 div *= 2;
1930                 fll_div->fll_refclk_div++;
1931
1932                 if (div > 8) {
1933                         pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1934                                Fref);
1935                         return -EINVAL;
1936                 }
1937         }
1938
1939         pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1940
1941         /* Apply the division for our remaining calculations */
1942         Fref /= div;
1943
1944         if (Fref >= 3000000)
1945                 fll_div->fll_loop_gain = 5;
1946         else
1947                 fll_div->fll_loop_gain = 0;
1948
1949         if (Fref >= 48000)
1950                 fll_div->fll_ref_freq = 0;
1951         else
1952                 fll_div->fll_ref_freq = 1;
1953
1954         /* Fvco should be 90-100MHz; don't check the upper bound */
1955         div = 2;
1956         while (Fout * div < 90000000) {
1957                 div++;
1958                 if (div > 64) {
1959                         pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1960                                Fout);
1961                         return -EINVAL;
1962                 }
1963         }
1964         target = Fout * div;
1965         fll_div->fll_outdiv = div - 1;
1966
1967         pr_debug("FLL Fvco=%dHz\n", target);
1968
1969         /* Find an appropraite FLL_FRATIO and factor it out of the target */
1970         for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1971                 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1972                         fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1973                         fratio = fll_fratios[i].ratio;
1974                         break;
1975                 }
1976         }
1977         if (i == ARRAY_SIZE(fll_fratios)) {
1978                 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1979                 return -EINVAL;
1980         }
1981
1982         fll_div->n = target / (fratio * Fref);
1983
1984         if (target % Fref == 0) {
1985                 fll_div->theta = 0;
1986                 fll_div->lambda = 0;
1987         } else {
1988                 gcd_fll = gcd(target, fratio * Fref);
1989
1990                 fll_div->theta = (target - (fll_div->n * fratio * Fref))
1991                         / gcd_fll;
1992                 fll_div->lambda = (fratio * Fref) / gcd_fll;
1993         }
1994
1995         pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
1996                  fll_div->n, fll_div->theta, fll_div->lambda);
1997         pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
1998                  fll_div->fll_fratio, fll_div->fll_outdiv,
1999                  fll_div->fll_refclk_div);
2000
2001         return 0;
2002 }
2003
2004 static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2005                           unsigned int Fref, unsigned int Fout)
2006 {
2007         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2008         struct i2c_client *i2c = to_i2c_client(codec->dev);
2009         struct _fll_div fll_div;
2010         unsigned long timeout, time_left;
2011         int ret, reg, retry;
2012
2013         /* Any change? */
2014         if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2015             Fout == wm8996->fll_fout)
2016                 return 0;
2017
2018         if (Fout == 0) {
2019                 dev_dbg(codec->dev, "FLL disabled\n");
2020
2021                 wm8996->fll_fref = 0;
2022                 wm8996->fll_fout = 0;
2023
2024                 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2025                                     WM8996_FLL_ENA, 0);
2026
2027                 wm8996_bg_disable(codec);
2028
2029                 return 0;
2030         }
2031
2032         ret = fll_factors(&fll_div, Fref, Fout);
2033         if (ret != 0)
2034                 return ret;
2035
2036         switch (source) {
2037         case WM8996_FLL_MCLK1:
2038                 reg = 0;
2039                 break;
2040         case WM8996_FLL_MCLK2:
2041                 reg = 1;
2042                 break;
2043         case WM8996_FLL_DACLRCLK1:
2044                 reg = 2;
2045                 break;
2046         case WM8996_FLL_BCLK1:
2047                 reg = 3;
2048                 break;
2049         default:
2050                 dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2051                 return -EINVAL;
2052         }
2053
2054         reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2055         reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2056
2057         snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2058                             WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2059                             WM8996_FLL_REFCLK_SRC_MASK, reg);
2060
2061         reg = 0;
2062         if (fll_div.theta || fll_div.lambda)
2063                 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2064         else
2065                 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2066         snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2067
2068         snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2069                             WM8996_FLL_OUTDIV_MASK |
2070                             WM8996_FLL_FRATIO_MASK,
2071                             (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2072                             (fll_div.fll_fratio));
2073
2074         snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2075
2076         snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2077                             WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2078                             (fll_div.n << WM8996_FLL_N_SHIFT) |
2079                             fll_div.fll_loop_gain);
2080
2081         snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2082
2083         /* Enable the bandgap if it's not already enabled */
2084         ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2085         if (!(ret & WM8996_FLL_ENA))
2086                 wm8996_bg_enable(codec);
2087
2088         /* Clear any pending completions (eg, from failed startups) */
2089         try_wait_for_completion(&wm8996->fll_lock);
2090
2091         snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2092                             WM8996_FLL_ENA, WM8996_FLL_ENA);
2093
2094         /* The FLL supports live reconfiguration - kick that in case we were
2095          * already enabled.
2096          */
2097         snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2098
2099         /* Wait for the FLL to lock, using the interrupt if possible */
2100         if (Fref > 1000000)
2101                 timeout = usecs_to_jiffies(300);
2102         else
2103                 timeout = msecs_to_jiffies(2);
2104
2105         /* Allow substantially longer if we've actually got the IRQ, poll
2106          * at a slightly higher rate if we don't.
2107          */
2108         if (i2c->irq)
2109                 timeout *= 10;
2110         else
2111                 /* ensure timeout of atleast 1 jiffies */
2112                 timeout = timeout/2 ? : 1;
2113
2114         for (retry = 0; retry < 10; retry++) {
2115                 time_left = wait_for_completion_timeout(&wm8996->fll_lock,
2116                                                         timeout);
2117                 if (time_left != 0) {
2118                         WARN_ON(!i2c->irq);
2119                         ret = 1;
2120                         break;
2121                 }
2122
2123                 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2124                 if (ret & WM8996_FLL_LOCK_STS)
2125                         break;
2126         }
2127         if (retry == 10) {
2128                 dev_err(codec->dev, "Timed out waiting for FLL\n");
2129                 ret = -ETIMEDOUT;
2130         }
2131
2132         dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2133
2134         wm8996->fll_fref = Fref;
2135         wm8996->fll_fout = Fout;
2136         wm8996->fll_src = source;
2137
2138         return ret;
2139 }
2140
2141 #ifdef CONFIG_GPIOLIB
2142 static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
2143 {
2144         return container_of(chip, struct wm8996_priv, gpio_chip);
2145 }
2146
2147 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2148 {
2149         struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2150
2151         regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2152                            WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2153 }
2154
2155 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2156                                      unsigned offset, int value)
2157 {
2158         struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2159         int val;
2160
2161         val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2162
2163         return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2164                                   WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2165                                   WM8996_GP1_LVL, val);
2166 }
2167
2168 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2169 {
2170         struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2171         unsigned int reg;
2172         int ret;
2173
2174         ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
2175         if (ret < 0)
2176                 return ret;
2177
2178         return (reg & WM8996_GP1_LVL) != 0;
2179 }
2180
2181 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2182 {
2183         struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2184
2185         return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2186                                   WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2187                                   (1 << WM8996_GP1_FN_SHIFT) |
2188                                   (1 << WM8996_GP1_DIR_SHIFT));
2189 }
2190
2191 static struct gpio_chip wm8996_template_chip = {
2192         .label                  = "wm8996",
2193         .owner                  = THIS_MODULE,
2194         .direction_output       = wm8996_gpio_direction_out,
2195         .set                    = wm8996_gpio_set,
2196         .direction_input        = wm8996_gpio_direction_in,
2197         .get                    = wm8996_gpio_get,
2198         .can_sleep              = 1,
2199 };
2200
2201 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2202 {
2203         int ret;
2204
2205         wm8996->gpio_chip = wm8996_template_chip;
2206         wm8996->gpio_chip.ngpio = 5;
2207         wm8996->gpio_chip.dev = wm8996->dev;
2208
2209         if (wm8996->pdata.gpio_base)
2210                 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2211         else
2212                 wm8996->gpio_chip.base = -1;
2213
2214         ret = gpiochip_add(&wm8996->gpio_chip);
2215         if (ret != 0)
2216                 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2217 }
2218
2219 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2220 {
2221         gpiochip_remove(&wm8996->gpio_chip);
2222 }
2223 #else
2224 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2225 {
2226 }
2227
2228 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2229 {
2230 }
2231 #endif
2232
2233 /**
2234  * wm8996_detect - Enable default WM8996 jack detection
2235  *
2236  * The WM8996 has advanced accessory detection support for headsets.
2237  * This function provides a default implementation which integrates
2238  * the majority of this functionality with minimal user configuration.
2239  *
2240  * This will detect headset, headphone and short circuit button and
2241  * will also detect inverted microphone ground connections and update
2242  * the polarity of the connections.
2243  */
2244 int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2245                   wm8996_polarity_fn polarity_cb)
2246 {
2247         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2248         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2249
2250         wm8996->jack = jack;
2251         wm8996->detecting = true;
2252         wm8996->polarity_cb = polarity_cb;
2253         wm8996->jack_flips = 0;
2254
2255         if (wm8996->polarity_cb)
2256                 wm8996->polarity_cb(codec, 0);
2257
2258         /* Clear discarge to avoid noise during detection */
2259         snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2260                             WM8996_MICB1_DISCH, 0);
2261         snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2262                             WM8996_MICB2_DISCH, 0);
2263
2264         /* LDO2 powers the microphones, SYSCLK clocks detection */
2265         snd_soc_dapm_mutex_lock(dapm);
2266
2267         snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
2268         snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
2269
2270         snd_soc_dapm_mutex_unlock(dapm);
2271
2272         /* We start off just enabling microphone detection - even a
2273          * plain headphone will trigger detection.
2274          */
2275         snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2276                             WM8996_MICD_ENA, WM8996_MICD_ENA);
2277
2278         /* Slowest detection rate, gives debounce for initial detection */
2279         snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2280                             WM8996_MICD_RATE_MASK,
2281                             WM8996_MICD_RATE_MASK);
2282
2283         /* Enable interrupts and we're off */
2284         snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2285                             WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2286
2287         return 0;
2288 }
2289 EXPORT_SYMBOL_GPL(wm8996_detect);
2290
2291 static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2292 {
2293         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2294         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2295         int val, reg, report;
2296
2297         /* Assume headphone in error conditions; we need to report
2298          * something or we stall our state machine.
2299          */
2300         report = SND_JACK_HEADPHONE;
2301
2302         reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2303         if (reg < 0) {
2304                 dev_err(codec->dev, "Failed to read HPDET status\n");
2305                 goto out;
2306         }
2307
2308         if (!(reg & WM8996_HP_DONE)) {
2309                 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2310                 goto out;
2311         }
2312
2313         val = reg & WM8996_HP_LVL_MASK;
2314
2315         dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2316
2317         /* If we've got high enough impedence then report as line,
2318          * otherwise assume headphone.
2319          */
2320         if (val >= 126)
2321                 report = SND_JACK_LINEOUT;
2322         else
2323                 report = SND_JACK_HEADPHONE;
2324
2325 out:
2326         if (wm8996->jack_mic)
2327                 report |= SND_JACK_MICROPHONE;
2328
2329         snd_soc_jack_report(wm8996->jack, report,
2330                             SND_JACK_LINEOUT | SND_JACK_HEADSET);
2331
2332         wm8996->detecting = false;
2333
2334         /* If the output isn't running re-clamp it */
2335         if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2336               (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2337                 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2338                                     WM8996_HPOUT1L_RMV_SHORT |
2339                                     WM8996_HPOUT1R_RMV_SHORT, 0);
2340
2341         /* Go back to looking at the microphone */
2342         snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2343                             WM8996_JD_MODE_MASK, 0);
2344         snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2345                             WM8996_MICD_ENA);
2346
2347         snd_soc_dapm_disable_pin(dapm, "Bandgap");
2348         snd_soc_dapm_sync(dapm);
2349 }
2350
2351 static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2352 {
2353         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2354
2355         /* Unclamp the output, we can't measure while we're shorting it */
2356         snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2357                             WM8996_HPOUT1L_RMV_SHORT |
2358                             WM8996_HPOUT1R_RMV_SHORT,
2359                             WM8996_HPOUT1L_RMV_SHORT |
2360                             WM8996_HPOUT1R_RMV_SHORT);
2361
2362         /* We need bandgap for HPDET */
2363         snd_soc_dapm_force_enable_pin(dapm, "Bandgap");
2364         snd_soc_dapm_sync(dapm);
2365
2366         /* Go into headphone detect left mode */
2367         snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2368         snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2369                             WM8996_JD_MODE_MASK, 1);
2370
2371         /* Trigger a measurement */
2372         snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2373                             WM8996_HP_POLL, WM8996_HP_POLL);
2374 }
2375
2376 static void wm8996_report_headphone(struct snd_soc_codec *codec)
2377 {
2378         dev_dbg(codec->dev, "Headphone detected\n");
2379         wm8996_hpdet_start(codec);
2380
2381         /* Increase the detection rate a bit for responsiveness. */
2382         snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2383                             WM8996_MICD_RATE_MASK |
2384                             WM8996_MICD_BIAS_STARTTIME_MASK,
2385                             7 << WM8996_MICD_RATE_SHIFT |
2386                             7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2387 }
2388
2389 static void wm8996_micd(struct snd_soc_codec *codec)
2390 {
2391         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2392         int val, reg;
2393
2394         val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2395
2396         dev_dbg(codec->dev, "Microphone event: %x\n", val);
2397
2398         if (!(val & WM8996_MICD_VALID)) {
2399                 dev_warn(codec->dev, "Microphone detection state invalid\n");
2400                 return;
2401         }
2402
2403         /* No accessory, reset everything and report removal */
2404         if (!(val & WM8996_MICD_STS)) {
2405                 dev_dbg(codec->dev, "Jack removal detected\n");
2406                 wm8996->jack_mic = false;
2407                 wm8996->detecting = true;
2408                 wm8996->jack_flips = 0;
2409                 snd_soc_jack_report(wm8996->jack, 0,
2410                                     SND_JACK_LINEOUT | SND_JACK_HEADSET |
2411                                     SND_JACK_BTN_0);
2412
2413                 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2414                                     WM8996_MICD_RATE_MASK |
2415                                     WM8996_MICD_BIAS_STARTTIME_MASK,
2416                                     WM8996_MICD_RATE_MASK |
2417                                     9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2418                 return;
2419         }
2420
2421         /* If the measurement is very high we've got a microphone,
2422          * either we just detected one or if we already reported then
2423          * we've got a button release event.
2424          */
2425         if (val & 0x400) {
2426                 if (wm8996->detecting) {
2427                         dev_dbg(codec->dev, "Microphone detected\n");
2428                         wm8996->jack_mic = true;
2429                         wm8996_hpdet_start(codec);
2430
2431                         /* Increase poll rate to give better responsiveness
2432                          * for buttons */
2433                         snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2434                                             WM8996_MICD_RATE_MASK |
2435                                             WM8996_MICD_BIAS_STARTTIME_MASK,
2436                                             5 << WM8996_MICD_RATE_SHIFT |
2437                                             7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2438                 } else {
2439                         dev_dbg(codec->dev, "Mic button up\n");
2440                         snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2441                 }
2442
2443                 return;
2444         }
2445
2446         /* If we detected a lower impedence during initial startup
2447          * then we probably have the wrong polarity, flip it.  Don't
2448          * do this for the lowest impedences to speed up detection of
2449          * plain headphones.  If both polarities report a low
2450          * impedence then give up and report headphones.
2451          */
2452         if (wm8996->detecting && (val & 0x3f0)) {
2453                 wm8996->jack_flips++;
2454
2455                 if (wm8996->jack_flips > 1) {
2456                         wm8996_report_headphone(codec);
2457                         return;
2458                 }
2459
2460                 reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2461                 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2462                         WM8996_MICD_BIAS_SRC;
2463                 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2464                                     WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2465                                     WM8996_MICD_BIAS_SRC, reg);
2466
2467                 if (wm8996->polarity_cb)
2468                         wm8996->polarity_cb(codec,
2469                                             (reg & WM8996_MICD_SRC) != 0);
2470
2471                 dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2472                         (reg & WM8996_MICD_SRC) != 0);
2473
2474                 return;
2475         }
2476
2477         /* Don't distinguish between buttons, just report any low
2478          * impedence as BTN_0.
2479          */
2480         if (val & 0x3fc) {
2481                 if (wm8996->jack_mic) {
2482                         dev_dbg(codec->dev, "Mic button detected\n");
2483                         snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2484                                             SND_JACK_BTN_0);
2485                 } else if (wm8996->detecting) {
2486                         wm8996_report_headphone(codec);
2487                 }
2488         }
2489 }
2490
2491 static irqreturn_t wm8996_irq(int irq, void *data)
2492 {
2493         struct snd_soc_codec *codec = data;
2494         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2495         int irq_val;
2496
2497         irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2498         if (irq_val < 0) {
2499                 dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2500                         irq_val);
2501                 return IRQ_NONE;
2502         }
2503         irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2504
2505         if (!irq_val)
2506                 return IRQ_NONE;
2507
2508         snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2509
2510         if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2511                 dev_dbg(codec->dev, "DC servo IRQ\n");
2512                 complete(&wm8996->dcs_done);
2513         }
2514
2515         if (irq_val & WM8996_FIFOS_ERR_EINT)
2516                 dev_err(codec->dev, "Digital core FIFO error\n");
2517
2518         if (irq_val & WM8996_FLL_LOCK_EINT) {
2519                 dev_dbg(codec->dev, "FLL locked\n");
2520                 complete(&wm8996->fll_lock);
2521         }
2522
2523         if (irq_val & WM8996_MICD_EINT)
2524                 wm8996_micd(codec);
2525
2526         if (irq_val & WM8996_HP_DONE_EINT)
2527                 wm8996_hpdet_irq(codec);
2528
2529         return IRQ_HANDLED;
2530 }
2531
2532 static irqreturn_t wm8996_edge_irq(int irq, void *data)
2533 {
2534         irqreturn_t ret = IRQ_NONE;
2535         irqreturn_t val;
2536
2537         do {
2538                 val = wm8996_irq(irq, data);
2539                 if (val != IRQ_NONE)
2540                         ret = val;
2541         } while (val != IRQ_NONE);
2542
2543         return ret;
2544 }
2545
2546 static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2547 {
2548         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2549         struct wm8996_pdata *pdata = &wm8996->pdata;
2550
2551         struct snd_kcontrol_new controls[] = {
2552                 SOC_ENUM_EXT("DSP1 EQ Mode",
2553                              wm8996->retune_mobile_enum,
2554                              wm8996_get_retune_mobile_enum,
2555                              wm8996_put_retune_mobile_enum),
2556                 SOC_ENUM_EXT("DSP2 EQ Mode",
2557                              wm8996->retune_mobile_enum,
2558                              wm8996_get_retune_mobile_enum,
2559                              wm8996_put_retune_mobile_enum),
2560         };
2561         int ret, i, j;
2562         const char **t;
2563
2564         /* We need an array of texts for the enum API but the number
2565          * of texts is likely to be less than the number of
2566          * configurations due to the sample rate dependency of the
2567          * configurations. */
2568         wm8996->num_retune_mobile_texts = 0;
2569         wm8996->retune_mobile_texts = NULL;
2570         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2571                 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2572                         if (strcmp(pdata->retune_mobile_cfgs[i].name,
2573                                    wm8996->retune_mobile_texts[j]) == 0)
2574                                 break;
2575                 }
2576
2577                 if (j != wm8996->num_retune_mobile_texts)
2578                         continue;
2579
2580                 /* Expand the array... */
2581                 t = krealloc(wm8996->retune_mobile_texts,
2582                              sizeof(char *) *
2583                              (wm8996->num_retune_mobile_texts + 1),
2584                              GFP_KERNEL);
2585                 if (t == NULL)
2586                         continue;
2587
2588                 /* ...store the new entry... */
2589                 t[wm8996->num_retune_mobile_texts] =
2590                         pdata->retune_mobile_cfgs[i].name;
2591
2592                 /* ...and remember the new version. */
2593                 wm8996->num_retune_mobile_texts++;
2594                 wm8996->retune_mobile_texts = t;
2595         }
2596
2597         dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2598                 wm8996->num_retune_mobile_texts);
2599
2600         wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
2601         wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2602
2603         ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2604         if (ret != 0)
2605                 dev_err(codec->dev,
2606                         "Failed to add ReTune Mobile controls: %d\n", ret);
2607 }
2608
2609 static const struct regmap_config wm8996_regmap = {
2610         .reg_bits = 16,
2611         .val_bits = 16,
2612
2613         .max_register = WM8996_MAX_REGISTER,
2614         .reg_defaults = wm8996_reg,
2615         .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2616         .volatile_reg = wm8996_volatile_register,
2617         .readable_reg = wm8996_readable_register,
2618         .cache_type = REGCACHE_RBTREE,
2619 };
2620
2621 static int wm8996_probe(struct snd_soc_codec *codec)
2622 {
2623         int ret;
2624         struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2625         struct i2c_client *i2c = to_i2c_client(codec->dev);
2626         int irq_flags;
2627
2628         wm8996->codec = codec;
2629
2630         init_completion(&wm8996->dcs_done);
2631         init_completion(&wm8996->fll_lock);
2632
2633         if (wm8996->pdata.num_retune_mobile_cfgs)
2634                 wm8996_retune_mobile_pdata(codec);
2635         else
2636                 snd_soc_add_codec_controls(codec, wm8996_eq_controls,
2637                                      ARRAY_SIZE(wm8996_eq_controls));
2638
2639         if (i2c->irq) {
2640                 if (wm8996->pdata.irq_flags)
2641                         irq_flags = wm8996->pdata.irq_flags;
2642                 else
2643                         irq_flags = IRQF_TRIGGER_LOW;
2644
2645                 irq_flags |= IRQF_ONESHOT;
2646
2647                 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2648                         ret = request_threaded_irq(i2c->irq, NULL,
2649                                                    wm8996_edge_irq,
2650                                                    irq_flags | IRQF_ONESHOT,
2651                                                    "wm8996", codec);
2652                 else
2653                         ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2654                                                    irq_flags | IRQF_ONESHOT,
2655                                                    "wm8996", codec);
2656
2657                 if (ret == 0) {
2658                         /* Unmask the interrupt */
2659                         snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2660                                             WM8996_IM_IRQ, 0);
2661
2662                         /* Enable error reporting and DC servo status */
2663                         snd_soc_update_bits(codec,
2664                                             WM8996_INTERRUPT_STATUS_2_MASK,
2665                                             WM8996_IM_DCS_DONE_23_EINT |
2666                                             WM8996_IM_DCS_DONE_01_EINT |
2667                                             WM8996_IM_FLL_LOCK_EINT |
2668                                             WM8996_IM_FIFOS_ERR_EINT,
2669                                             0);
2670                 } else {
2671                         dev_err(codec->dev, "Failed to request IRQ: %d\n",
2672                                 ret);
2673                         return ret;
2674                 }
2675         }
2676
2677         return 0;
2678 }
2679
2680 static int wm8996_remove(struct snd_soc_codec *codec)
2681 {
2682         struct i2c_client *i2c = to_i2c_client(codec->dev);
2683
2684         snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2685                             WM8996_IM_IRQ, WM8996_IM_IRQ);
2686
2687         if (i2c->irq)
2688                 free_irq(i2c->irq, codec);
2689
2690         return 0;
2691 }
2692
2693 static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
2694         .probe =        wm8996_probe,
2695         .remove =       wm8996_remove,
2696         .set_bias_level = wm8996_set_bias_level,
2697         .idle_bias_off  = true,
2698         .seq_notifier = wm8996_seq_notifier,
2699         .controls = wm8996_snd_controls,
2700         .num_controls = ARRAY_SIZE(wm8996_snd_controls),
2701         .dapm_widgets = wm8996_dapm_widgets,
2702         .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
2703         .dapm_routes = wm8996_dapm_routes,
2704         .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
2705         .set_pll = wm8996_set_fll,
2706 };
2707
2708 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2709                       SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2710                       SNDRV_PCM_RATE_48000)
2711 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2712                         SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2713                         SNDRV_PCM_FMTBIT_S32_LE)
2714
2715 static const struct snd_soc_dai_ops wm8996_dai_ops = {
2716         .set_fmt = wm8996_set_fmt,
2717         .hw_params = wm8996_hw_params,
2718         .set_sysclk = wm8996_set_sysclk,
2719 };
2720
2721 static struct snd_soc_dai_driver wm8996_dai[] = {
2722         {
2723                 .name = "wm8996-aif1",
2724                 .playback = {
2725                         .stream_name = "AIF1 Playback",
2726                         .channels_min = 1,
2727                         .channels_max = 6,
2728                         .rates = WM8996_RATES,
2729                         .formats = WM8996_FORMATS,
2730                         .sig_bits = 24,
2731                 },
2732                 .capture = {
2733                          .stream_name = "AIF1 Capture",
2734                          .channels_min = 1,
2735                          .channels_max = 6,
2736                          .rates = WM8996_RATES,
2737                          .formats = WM8996_FORMATS,
2738                          .sig_bits = 24,
2739                  },
2740                 .ops = &wm8996_dai_ops,
2741         },
2742         {
2743                 .name = "wm8996-aif2",
2744                 .playback = {
2745                         .stream_name = "AIF2 Playback",
2746                         .channels_min = 1,
2747                         .channels_max = 2,
2748                         .rates = WM8996_RATES,
2749                         .formats = WM8996_FORMATS,
2750                         .sig_bits = 24,
2751                 },
2752                 .capture = {
2753                          .stream_name = "AIF2 Capture",
2754                          .channels_min = 1,
2755                          .channels_max = 2,
2756                          .rates = WM8996_RATES,
2757                          .formats = WM8996_FORMATS,
2758                         .sig_bits = 24,
2759                  },
2760                 .ops = &wm8996_dai_ops,
2761         },
2762 };
2763
2764 static int wm8996_i2c_probe(struct i2c_client *i2c,
2765                             const struct i2c_device_id *id)
2766 {
2767         struct wm8996_priv *wm8996;
2768         int ret, i;
2769         unsigned int reg;
2770
2771         wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2772                               GFP_KERNEL);
2773         if (wm8996 == NULL)
2774                 return -ENOMEM;
2775
2776         i2c_set_clientdata(i2c, wm8996);
2777         wm8996->dev = &i2c->dev;
2778
2779         if (dev_get_platdata(&i2c->dev))
2780                 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2781                        sizeof(wm8996->pdata));
2782
2783         if (wm8996->pdata.ldo_ena > 0) {
2784                 ret = gpio_request_one(wm8996->pdata.ldo_ena,
2785                                        GPIOF_OUT_INIT_LOW, "WM8996 ENA");
2786                 if (ret < 0) {
2787                         dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
2788                                 wm8996->pdata.ldo_ena, ret);
2789                         goto err;
2790                 }
2791         }
2792
2793         for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2794                 wm8996->supplies[i].supply = wm8996_supply_names[i];
2795
2796         ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2797                                       wm8996->supplies);
2798         if (ret != 0) {
2799                 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2800                 goto err_gpio;
2801         }
2802
2803         wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2804         wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2805         wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2806
2807         /* This should really be moved into the regulator core */
2808         for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2809                 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2810                                                   &wm8996->disable_nb[i]);
2811                 if (ret != 0) {
2812                         dev_err(&i2c->dev,
2813                                 "Failed to register regulator notifier: %d\n",
2814                                 ret);
2815                 }
2816         }
2817
2818         ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2819                                     wm8996->supplies);
2820         if (ret != 0) {
2821                 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2822                 goto err_gpio;
2823         }
2824
2825         if (wm8996->pdata.ldo_ena > 0) {
2826                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2827                 msleep(5);
2828         }
2829
2830         wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2831         if (IS_ERR(wm8996->regmap)) {
2832                 ret = PTR_ERR(wm8996->regmap);
2833                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2834                 goto err_enable;
2835         }
2836
2837         ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, &reg);
2838         if (ret < 0) {
2839                 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2840                 goto err_regmap;
2841         }
2842         if (reg != 0x8915) {
2843                 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2844                 ret = -EINVAL;
2845                 goto err_regmap;
2846         }
2847
2848         ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, &reg);
2849         if (ret < 0) {
2850                 dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2851                         ret);
2852                 goto err_regmap;
2853         }
2854
2855         dev_info(&i2c->dev, "revision %c\n",
2856                  (reg & WM8996_CHIP_REV_MASK) + 'A');
2857
2858         if (wm8996->pdata.ldo_ena > 0) {
2859                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2860                 regcache_cache_only(wm8996->regmap, true);
2861         } else {
2862                 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2863                                    0x8915);
2864                 if (ret != 0) {
2865                         dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2866                         goto err_regmap;
2867                 }
2868         }
2869
2870         regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2871
2872         /* Apply platform data settings */
2873         regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2874                            WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2875                            wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2876                            wm8996->pdata.inr_mode);
2877
2878         for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2879                 if (!wm8996->pdata.gpio_default[i])
2880                         continue;
2881
2882                 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2883                              wm8996->pdata.gpio_default[i] & 0xffff);
2884         }
2885
2886         if (wm8996->pdata.spkmute_seq)
2887                 regmap_update_bits(wm8996->regmap,
2888                                    WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2889                                    WM8996_SPK_MUTE_ENDIAN |
2890                                    WM8996_SPK_MUTE_SEQ1_MASK,
2891                                    wm8996->pdata.spkmute_seq);
2892
2893         regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2894                            WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2895                            WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2896
2897         /* Latch volume update bits */
2898         regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2899                            WM8996_IN1_VU, WM8996_IN1_VU);
2900         regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2901                            WM8996_IN1_VU, WM8996_IN1_VU);
2902
2903         regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2904                            WM8996_DAC1_VU, WM8996_DAC1_VU);
2905         regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2906                            WM8996_DAC1_VU, WM8996_DAC1_VU);
2907         regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2908                            WM8996_DAC2_VU, WM8996_DAC2_VU);
2909         regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2910                            WM8996_DAC2_VU, WM8996_DAC2_VU);
2911
2912         regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2913                            WM8996_DAC1_VU, WM8996_DAC1_VU);
2914         regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2915                            WM8996_DAC1_VU, WM8996_DAC1_VU);
2916         regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2917                            WM8996_DAC2_VU, WM8996_DAC2_VU);
2918         regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2919                            WM8996_DAC2_VU, WM8996_DAC2_VU);
2920
2921         regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2922                            WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2923         regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2924                            WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2925         regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2926                            WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2927         regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2928                            WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2929
2930         regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2931                            WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2932         regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2933                            WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2934         regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2935                            WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2936         regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2937                            WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2938
2939         /* No support currently for the underclocked TDM modes and
2940          * pick a default TDM layout with each channel pair working with
2941          * slots 0 and 1. */
2942         regmap_update_bits(wm8996->regmap,
2943                            WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2944                            WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2945                            WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2946                            1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2947         regmap_update_bits(wm8996->regmap,
2948                            WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2949                            WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2950                            WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2951                            1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2952         regmap_update_bits(wm8996->regmap,
2953                            WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2954                            WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2955                            WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2956                            1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2957         regmap_update_bits(wm8996->regmap,
2958                            WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2959                            WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2960                            WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2961                            1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2962         regmap_update_bits(wm8996->regmap,
2963                            WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2964                            WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2965                            WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2966                            1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2967         regmap_update_bits(wm8996->regmap,
2968                            WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2969                            WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2970                            WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2971                            1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2972
2973         regmap_update_bits(wm8996->regmap,
2974                            WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2975                            WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2976                            WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2977                            1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2978         regmap_update_bits(wm8996->regmap,
2979                            WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2980                            WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2981                            WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2982                            1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2983
2984         regmap_update_bits(wm8996->regmap,
2985                            WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2986                            WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2987                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2988                            1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2989         regmap_update_bits(wm8996->regmap,
2990                            WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2991                            WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2992                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2993                            1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2994         regmap_update_bits(wm8996->regmap,
2995                            WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2996                            WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2997                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2998                            1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2999         regmap_update_bits(wm8996->regmap,
3000                            WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
3001                            WM8996_AIF1TX_CHAN3_SLOTS_MASK |
3002                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3003                            1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
3004         regmap_update_bits(wm8996->regmap,
3005                            WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
3006                            WM8996_AIF1TX_CHAN4_SLOTS_MASK |
3007                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3008                            1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
3009         regmap_update_bits(wm8996->regmap,
3010                            WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
3011                            WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3012                            WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3013                            1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3014
3015         regmap_update_bits(wm8996->regmap,
3016                            WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3017                            WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3018                            WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3019                            1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3020         regmap_update_bits(wm8996->regmap,
3021                            WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3022                            WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3023                            WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3024                            1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3025
3026         /* If the TX LRCLK pins are not in LRCLK mode configure the
3027          * AIFs to source their clocks from the RX LRCLKs.
3028          */
3029         ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
3030         if (ret != 0) {
3031                 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3032                 goto err_regmap;
3033         }
3034
3035         if (reg & WM8996_GP1_FN_MASK)
3036                 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3037                                    WM8996_AIF1TX_LRCLK_MODE,
3038                                    WM8996_AIF1TX_LRCLK_MODE);
3039
3040         ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
3041         if (ret != 0) {
3042                 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3043                 goto err_regmap;
3044         }
3045
3046         if (reg & WM8996_GP2_FN_MASK)
3047                 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3048                                    WM8996_AIF2TX_LRCLK_MODE,
3049                                    WM8996_AIF2TX_LRCLK_MODE);
3050
3051         wm8996_init_gpio(wm8996);
3052
3053         ret = snd_soc_register_codec(&i2c->dev,
3054                                      &soc_codec_dev_wm8996, wm8996_dai,
3055                                      ARRAY_SIZE(wm8996_dai));
3056         if (ret < 0)
3057                 goto err_gpiolib;
3058
3059         return ret;
3060
3061 err_gpiolib:
3062         wm8996_free_gpio(wm8996);
3063 err_regmap:
3064 err_enable:
3065         if (wm8996->pdata.ldo_ena > 0)
3066                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3067         regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3068 err_gpio:
3069         if (wm8996->pdata.ldo_ena > 0)
3070                 gpio_free(wm8996->pdata.ldo_ena);
3071 err:
3072
3073         return ret;
3074 }
3075
3076 static int wm8996_i2c_remove(struct i2c_client *client)
3077 {
3078         struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3079         int i;
3080
3081         snd_soc_unregister_codec(&client->dev);
3082         wm8996_free_gpio(wm8996);
3083         if (wm8996->pdata.ldo_ena > 0) {
3084                 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3085                 gpio_free(wm8996->pdata.ldo_ena);
3086         }
3087         for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3088                 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3089                                               &wm8996->disable_nb[i]);
3090
3091         return 0;
3092 }
3093
3094 static const struct i2c_device_id wm8996_i2c_id[] = {
3095         { "wm8996", 0 },
3096         { }
3097 };
3098 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3099
3100 static struct i2c_driver wm8996_i2c_driver = {
3101         .driver = {
3102                 .name = "wm8996",
3103         },
3104         .probe =    wm8996_i2c_probe,
3105         .remove =   wm8996_i2c_remove,
3106         .id_table = wm8996_i2c_id,
3107 };
3108
3109 module_i2c_driver(wm8996_i2c_driver);
3110
3111 MODULE_DESCRIPTION("ASoC WM8996 driver");
3112 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3113 MODULE_LICENSE("GPL");