linux/sound/soc/codecs/msm8916-wcd-analog.c
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   1// SPDX-License-Identifier: GPL-2.0
   2// Copyright (c) 2016, The Linux Foundation. All rights reserved.
   3
   4#include <linux/module.h>
   5#include <linux/err.h>
   6#include <linux/kernel.h>
   7#include <linux/delay.h>
   8#include <linux/regulator/consumer.h>
   9#include <linux/types.h>
  10#include <linux/clk.h>
  11#include <linux/of.h>
  12#include <linux/platform_device.h>
  13#include <linux/regmap.h>
  14#include <sound/soc.h>
  15#include <sound/pcm.h>
  16#include <sound/pcm_params.h>
  17#include <sound/tlv.h>
  18#include <sound/jack.h>
  19
  20#define CDC_D_REVISION1                 (0xf000)
  21#define CDC_D_PERPH_SUBTYPE             (0xf005)
  22#define CDC_D_INT_EN_SET                (0xf015)
  23#define CDC_D_INT_EN_CLR                (0xf016)
  24#define MBHC_SWITCH_INT                 BIT(7)
  25#define MBHC_MIC_ELECTRICAL_INS_REM_DET BIT(6)
  26#define MBHC_BUTTON_PRESS_DET           BIT(5)
  27#define MBHC_BUTTON_RELEASE_DET         BIT(4)
  28#define CDC_D_CDC_RST_CTL               (0xf046)
  29#define RST_CTL_DIG_SW_RST_N_MASK       BIT(7)
  30#define RST_CTL_DIG_SW_RST_N_RESET      0
  31#define RST_CTL_DIG_SW_RST_N_REMOVE_RESET BIT(7)
  32
  33#define CDC_D_CDC_TOP_CLK_CTL           (0xf048)
  34#define TOP_CLK_CTL_A_MCLK_MCLK2_EN_MASK (BIT(2) | BIT(3))
  35#define TOP_CLK_CTL_A_MCLK_EN_ENABLE     BIT(2)
  36#define TOP_CLK_CTL_A_MCLK2_EN_ENABLE   BIT(3)
  37
  38#define CDC_D_CDC_ANA_CLK_CTL           (0xf049)
  39#define ANA_CLK_CTL_EAR_HPHR_CLK_EN_MASK BIT(0)
  40#define ANA_CLK_CTL_EAR_HPHR_CLK_EN     BIT(0)
  41#define ANA_CLK_CTL_EAR_HPHL_CLK_EN     BIT(1)
  42#define ANA_CLK_CTL_SPKR_CLK_EN_MASK    BIT(4)
  43#define ANA_CLK_CTL_SPKR_CLK_EN BIT(4)
  44#define ANA_CLK_CTL_TXA_CLK25_EN        BIT(5)
  45
  46#define CDC_D_CDC_DIG_CLK_CTL           (0xf04A)
  47#define DIG_CLK_CTL_RXD1_CLK_EN         BIT(0)
  48#define DIG_CLK_CTL_RXD2_CLK_EN         BIT(1)
  49#define DIG_CLK_CTL_RXD3_CLK_EN         BIT(2)
  50#define DIG_CLK_CTL_D_MBHC_CLK_EN_MASK  BIT(3)
  51#define DIG_CLK_CTL_D_MBHC_CLK_EN       BIT(3)
  52#define DIG_CLK_CTL_TXD_CLK_EN          BIT(4)
  53#define DIG_CLK_CTL_NCP_CLK_EN_MASK     BIT(6)
  54#define DIG_CLK_CTL_NCP_CLK_EN          BIT(6)
  55#define DIG_CLK_CTL_RXD_PDM_CLK_EN_MASK BIT(7)
  56#define DIG_CLK_CTL_RXD_PDM_CLK_EN      BIT(7)
  57
  58#define CDC_D_CDC_CONN_TX1_CTL          (0xf050)
  59#define CONN_TX1_SERIAL_TX1_MUX         GENMASK(1, 0)
  60#define CONN_TX1_SERIAL_TX1_ADC_1       0x0
  61#define CONN_TX1_SERIAL_TX1_RX_PDM_LB   0x1
  62#define CONN_TX1_SERIAL_TX1_ZERO        0x2
  63
  64#define CDC_D_CDC_CONN_TX2_CTL          (0xf051)
  65#define CONN_TX2_SERIAL_TX2_MUX         GENMASK(1, 0)
  66#define CONN_TX2_SERIAL_TX2_ADC_2       0x0
  67#define CONN_TX2_SERIAL_TX2_RX_PDM_LB   0x1
  68#define CONN_TX2_SERIAL_TX2_ZERO        0x2
  69#define CDC_D_CDC_CONN_HPHR_DAC_CTL     (0xf052)
  70#define CDC_D_CDC_CONN_RX1_CTL          (0xf053)
  71#define CDC_D_CDC_CONN_RX2_CTL          (0xf054)
  72#define CDC_D_CDC_CONN_RX3_CTL          (0xf055)
  73#define CDC_D_CDC_CONN_RX_LB_CTL        (0xf056)
  74#define CDC_D_SEC_ACCESS                (0xf0D0)
  75#define CDC_D_PERPH_RESET_CTL3          (0xf0DA)
  76#define CDC_D_PERPH_RESET_CTL4          (0xf0DB)
  77#define CDC_A_REVISION1                 (0xf100)
  78#define CDC_A_REVISION2                 (0xf101)
  79#define CDC_A_REVISION3                 (0xf102)
  80#define CDC_A_REVISION4                 (0xf103)
  81#define CDC_A_PERPH_TYPE                (0xf104)
  82#define CDC_A_PERPH_SUBTYPE             (0xf105)
  83#define CDC_A_INT_RT_STS                (0xf110)
  84#define CDC_A_INT_SET_TYPE              (0xf111)
  85#define CDC_A_INT_POLARITY_HIGH         (0xf112)
  86#define CDC_A_INT_POLARITY_LOW          (0xf113)
  87#define CDC_A_INT_LATCHED_CLR           (0xf114)
  88#define CDC_A_INT_EN_SET                (0xf115)
  89#define CDC_A_INT_EN_CLR                (0xf116)
  90#define CDC_A_INT_LATCHED_STS           (0xf118)
  91#define CDC_A_INT_PENDING_STS           (0xf119)
  92#define CDC_A_INT_MID_SEL               (0xf11A)
  93#define CDC_A_INT_PRIORITY              (0xf11B)
  94#define CDC_A_MICB_1_EN                 (0xf140)
  95#define MICB_1_EN_MICB_ENABLE           BIT(7)
  96#define MICB_1_EN_BYP_CAP_MASK          BIT(6)
  97#define MICB_1_EN_NO_EXT_BYP_CAP        BIT(6)
  98#define MICB_1_EN_EXT_BYP_CAP           0
  99#define MICB_1_EN_PULL_DOWN_EN_MASK     BIT(5)
 100#define MICB_1_EN_PULL_DOWN_EN_ENABLE   BIT(5)
 101#define MICB_1_EN_OPA_STG2_TAIL_CURR_MASK GENMASK(3, 1)
 102#define MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA     (0x4)
 103#define MICB_1_EN_PULL_UP_EN_MASK       BIT(4)
 104#define MICB_1_EN_TX3_GND_SEL_MASK      BIT(0)
 105#define MICB_1_EN_TX3_GND_SEL_TX_GND    0
 106
 107#define CDC_A_MICB_1_VAL                (0xf141)
 108#define MICB_MIN_VAL 1600
 109#define MICB_STEP_SIZE 50
 110#define MICB_VOLTAGE_REGVAL(v)          (((v - MICB_MIN_VAL)/MICB_STEP_SIZE) << 3)
 111#define MICB_1_VAL_MICB_OUT_VAL_MASK    GENMASK(7, 3)
 112#define MICB_1_VAL_MICB_OUT_VAL_V2P70V  ((0x16)  << 3)
 113#define MICB_1_VAL_MICB_OUT_VAL_V1P80V  ((0x4)  << 3)
 114#define CDC_A_MICB_1_CTL                (0xf142)
 115
 116#define MICB_1_CTL_CFILT_REF_SEL_MASK           BIT(1)
 117#define MICB_1_CTL_CFILT_REF_SEL_HPF_REF        BIT(1)
 118#define MICB_1_CTL_EXT_PRECHARG_EN_MASK         BIT(5)
 119#define MICB_1_CTL_EXT_PRECHARG_EN_ENABLE       BIT(5)
 120#define MICB_1_CTL_INT_PRECHARG_BYP_MASK        BIT(6)
 121#define MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL     BIT(6)
 122
 123#define CDC_A_MICB_1_INT_RBIAS                  (0xf143)
 124#define MICB_1_INT_TX1_INT_RBIAS_EN_MASK        BIT(7)
 125#define MICB_1_INT_TX1_INT_RBIAS_EN_ENABLE      BIT(7)
 126#define MICB_1_INT_TX1_INT_RBIAS_EN_DISABLE     0
 127
 128#define MICB_1_INT_TX1_INT_PULLUP_EN_MASK       BIT(6)
 129#define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(6)
 130#define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_GND        0
 131
 132#define MICB_1_INT_TX2_INT_RBIAS_EN_MASK        BIT(4)
 133#define MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE      BIT(4)
 134#define MICB_1_INT_TX2_INT_RBIAS_EN_DISABLE     0
 135#define MICB_1_INT_TX2_INT_PULLUP_EN_MASK       BIT(3)
 136#define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(3)
 137#define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_GND        0
 138
 139#define MICB_1_INT_TX3_INT_RBIAS_EN_MASK        BIT(1)
 140#define MICB_1_INT_TX3_INT_RBIAS_EN_ENABLE      BIT(1)
 141#define MICB_1_INT_TX3_INT_RBIAS_EN_DISABLE     0
 142#define MICB_1_INT_TX3_INT_PULLUP_EN_MASK       BIT(0)
 143#define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(0)
 144#define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_GND        0
 145
 146#define CDC_A_MICB_2_EN                 (0xf144)
 147#define CDC_A_MICB_2_EN_ENABLE          BIT(7)
 148#define CDC_A_MICB_2_PULL_DOWN_EN_MASK  BIT(5)
 149#define CDC_A_MICB_2_PULL_DOWN_EN       BIT(5)
 150#define CDC_A_TX_1_2_ATEST_CTL_2        (0xf145)
 151#define CDC_A_MASTER_BIAS_CTL           (0xf146)
 152#define CDC_A_MBHC_DET_CTL_1            (0xf147)
 153#define CDC_A_MBHC_DET_CTL_L_DET_EN                     BIT(7)
 154#define CDC_A_MBHC_DET_CTL_GND_DET_EN                   BIT(6)
 155#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION      BIT(5)
 156#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_REMOVAL        (0)
 157#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK           BIT(5)
 158#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT          (5)
 159#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO           BIT(4)
 160#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MANUAL         BIT(3)
 161#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MASK           GENMASK(4, 3)
 162#define CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN                 BIT(2)
 163#define CDC_A_MBHC_DET_CTL_2            (0xf150)
 164#define CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0  (BIT(7) | BIT(6))
 165#define CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD BIT(5)
 166#define CDC_A_PLUG_TYPE_MASK                            GENMASK(4, 3)
 167#define CDC_A_HPHL_PLUG_TYPE_NO                         BIT(4)
 168#define CDC_A_GND_PLUG_TYPE_NO                          BIT(3)
 169#define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN_MASK     BIT(0)
 170#define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN          BIT(0)
 171#define CDC_A_MBHC_FSM_CTL              (0xf151)
 172#define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN                  BIT(7)
 173#define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK             BIT(7)
 174#define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA        (0x3 << 4)
 175#define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK           GENMASK(6, 4)
 176#define CDC_A_MBHC_DBNC_TIMER           (0xf152)
 177#define CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS           BIT(3)
 178#define CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS      (0x9 << 4)
 179#define CDC_A_MBHC_BTN0_ZDET_CTL_0      (0xf153)
 180#define CDC_A_MBHC_BTN1_ZDET_CTL_1      (0xf154)
 181#define CDC_A_MBHC_BTN2_ZDET_CTL_2      (0xf155)
 182#define CDC_A_MBHC_BTN3_CTL             (0xf156)
 183#define CDC_A_MBHC_BTN4_CTL             (0xf157)
 184#define CDC_A_MBHC_BTN_VREF_FINE_SHIFT  (2)
 185#define CDC_A_MBHC_BTN_VREF_FINE_MASK   GENMASK(4, 2)
 186#define CDC_A_MBHC_BTN_VREF_COARSE_MASK GENMASK(7, 5)
 187#define CDC_A_MBHC_BTN_VREF_COARSE_SHIFT (5)
 188#define CDC_A_MBHC_BTN_VREF_MASK        (CDC_A_MBHC_BTN_VREF_COARSE_MASK | \
 189                                        CDC_A_MBHC_BTN_VREF_FINE_MASK)
 190#define CDC_A_MBHC_RESULT_1             (0xf158)
 191#define CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK     GENMASK(4, 0)
 192#define CDC_A_TX_1_EN                   (0xf160)
 193#define CDC_A_TX_2_EN                   (0xf161)
 194#define CDC_A_TX_1_2_TEST_CTL_1         (0xf162)
 195#define CDC_A_TX_1_2_TEST_CTL_2         (0xf163)
 196#define CDC_A_TX_1_2_ATEST_CTL          (0xf164)
 197#define CDC_A_TX_1_2_OPAMP_BIAS         (0xf165)
 198#define CDC_A_TX_3_EN                   (0xf167)
 199#define CDC_A_NCP_EN                    (0xf180)
 200#define CDC_A_NCP_CLK                   (0xf181)
 201#define CDC_A_NCP_FBCTRL                (0xf183)
 202#define CDC_A_NCP_FBCTRL_FB_CLK_INV_MASK        BIT(5)
 203#define CDC_A_NCP_FBCTRL_FB_CLK_INV             BIT(5)
 204#define CDC_A_NCP_BIAS                  (0xf184)
 205#define CDC_A_NCP_VCTRL                 (0xf185)
 206#define CDC_A_NCP_TEST                  (0xf186)
 207#define CDC_A_NCP_CLIM_ADDR             (0xf187)
 208#define CDC_A_RX_CLOCK_DIVIDER          (0xf190)
 209#define CDC_A_RX_COM_OCP_CTL            (0xf191)
 210#define CDC_A_RX_COM_OCP_COUNT          (0xf192)
 211#define CDC_A_RX_COM_BIAS_DAC           (0xf193)
 212#define RX_COM_BIAS_DAC_RX_BIAS_EN_MASK         BIT(7)
 213#define RX_COM_BIAS_DAC_RX_BIAS_EN_ENABLE       BIT(7)
 214#define RX_COM_BIAS_DAC_DAC_REF_EN_MASK         BIT(0)
 215#define RX_COM_BIAS_DAC_DAC_REF_EN_ENABLE       BIT(0)
 216
 217#define CDC_A_RX_HPH_BIAS_PA            (0xf194)
 218#define CDC_A_RX_HPH_BIAS_LDO_OCP       (0xf195)
 219#define CDC_A_RX_HPH_BIAS_CNP           (0xf196)
 220#define CDC_A_RX_HPH_CNP_EN             (0xf197)
 221#define CDC_A_RX_HPH_L_PA_DAC_CTL       (0xf19B)
 222#define RX_HPA_L_PA_DAC_CTL_DATA_RESET_MASK     BIT(1)
 223#define RX_HPA_L_PA_DAC_CTL_DATA_RESET_RESET    BIT(1)
 224#define CDC_A_RX_HPH_R_PA_DAC_CTL       (0xf19D)
 225#define RX_HPH_R_PA_DAC_CTL_DATA_RESET  BIT(1)
 226#define RX_HPH_R_PA_DAC_CTL_DATA_RESET_MASK BIT(1)
 227
 228#define CDC_A_RX_EAR_CTL                        (0xf19E)
 229#define RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK         BIT(0)
 230#define RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE       BIT(0)
 231#define RX_EAR_CTL_PA_EAR_PA_EN_MASK            BIT(6)
 232#define RX_EAR_CTL_PA_EAR_PA_EN_ENABLE          BIT(6)
 233#define RX_EAR_CTL_PA_SEL_MASK                  BIT(7)
 234#define RX_EAR_CTL_PA_SEL                       BIT(7)
 235
 236#define CDC_A_SPKR_DAC_CTL              (0xf1B0)
 237#define SPKR_DAC_CTL_DAC_RESET_MASK     BIT(4)
 238#define SPKR_DAC_CTL_DAC_RESET_NORMAL   0
 239
 240#define CDC_A_SPKR_DRV_CTL              (0xf1B2)
 241#define SPKR_DRV_CTL_DEF_MASK           0xEF
 242#define SPKR_DRV_CLASSD_PA_EN_MASK      BIT(7)
 243#define SPKR_DRV_CLASSD_PA_EN_ENABLE    BIT(7)
 244#define SPKR_DRV_CAL_EN                 BIT(6)
 245#define SPKR_DRV_SETTLE_EN              BIT(5)
 246#define SPKR_DRV_FW_EN                  BIT(3)
 247#define SPKR_DRV_BOOST_SET              BIT(2)
 248#define SPKR_DRV_CMFB_SET               BIT(1)
 249#define SPKR_DRV_GAIN_SET               BIT(0)
 250#define SPKR_DRV_CTL_DEF_VAL (SPKR_DRV_CLASSD_PA_EN_ENABLE | \
 251                SPKR_DRV_CAL_EN | SPKR_DRV_SETTLE_EN | \
 252                SPKR_DRV_FW_EN | SPKR_DRV_BOOST_SET | \
 253                SPKR_DRV_CMFB_SET | SPKR_DRV_GAIN_SET)
 254#define CDC_A_SPKR_OCP_CTL              (0xf1B4)
 255#define CDC_A_SPKR_PWRSTG_CTL           (0xf1B5)
 256#define SPKR_PWRSTG_CTL_DAC_EN_MASK     BIT(0)
 257#define SPKR_PWRSTG_CTL_DAC_EN          BIT(0)
 258#define SPKR_PWRSTG_CTL_MASK            0xE0
 259#define SPKR_PWRSTG_CTL_BBM_MASK        BIT(7)
 260#define SPKR_PWRSTG_CTL_BBM_EN          BIT(7)
 261#define SPKR_PWRSTG_CTL_HBRDGE_EN_MASK  BIT(6)
 262#define SPKR_PWRSTG_CTL_HBRDGE_EN       BIT(6)
 263#define SPKR_PWRSTG_CTL_CLAMP_EN_MASK   BIT(5)
 264#define SPKR_PWRSTG_CTL_CLAMP_EN        BIT(5)
 265
 266#define CDC_A_SPKR_DRV_DBG              (0xf1B7)
 267#define CDC_A_CURRENT_LIMIT             (0xf1C0)
 268#define CDC_A_BOOST_EN_CTL              (0xf1C3)
 269#define CDC_A_SLOPE_COMP_IP_ZERO        (0xf1C4)
 270#define CDC_A_SEC_ACCESS                (0xf1D0)
 271#define CDC_A_PERPH_RESET_CTL3          (0xf1DA)
 272#define CDC_A_PERPH_RESET_CTL4          (0xf1DB)
 273
 274#define MSM8916_WCD_ANALOG_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
 275                        SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
 276#define MSM8916_WCD_ANALOG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
 277                                    SNDRV_PCM_FMTBIT_S32_LE)
 278
 279static int btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 280               SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_BTN_4;
 281static int hs_jack_mask = SND_JACK_HEADPHONE | SND_JACK_HEADSET;
 282
 283static const char * const supply_names[] = {
 284        "vdd-cdc-io",
 285        "vdd-cdc-tx-rx-cx",
 286};
 287
 288#define MBHC_MAX_BUTTONS        (5)
 289
 290struct pm8916_wcd_analog_priv {
 291        u16 pmic_rev;
 292        u16 codec_version;
 293        bool    mbhc_btn_enabled;
 294        /* special event to detect accessory type */
 295        int     mbhc_btn0_released;
 296        bool    detect_accessory_type;
 297        struct clk *mclk;
 298        struct snd_soc_component *component;
 299        struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
 300        struct snd_soc_jack *jack;
 301        bool hphl_jack_type_normally_open;
 302        bool gnd_jack_type_normally_open;
 303        /* Voltage threshold when internal current source of 100uA is used */
 304        u32 vref_btn_cs[MBHC_MAX_BUTTONS];
 305        /* Voltage threshold when microphone bias is ON */
 306        u32 vref_btn_micb[MBHC_MAX_BUTTONS];
 307        unsigned int micbias1_cap_mode;
 308        unsigned int micbias2_cap_mode;
 309        unsigned int micbias_mv;
 310};
 311
 312static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
 313static const char *const rdac2_mux_text[] = { "RX1", "RX2" };
 314static const char *const hph_text[] = { "ZERO", "Switch", };
 315
 316static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT(
 317                                        ARRAY_SIZE(hph_text), hph_text);
 318
 319static const struct snd_kcontrol_new ear_mux = SOC_DAPM_ENUM("EAR_S", hph_enum);
 320static const struct snd_kcontrol_new hphl_mux = SOC_DAPM_ENUM("HPHL", hph_enum);
 321static const struct snd_kcontrol_new hphr_mux = SOC_DAPM_ENUM("HPHR", hph_enum);
 322
 323/* ADC2 MUX */
 324static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT(
 325                        ARRAY_SIZE(adc2_mux_text), adc2_mux_text);
 326
 327/* RDAC2 MUX */
 328static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE(
 329                        CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 2, rdac2_mux_text);
 330
 331static const struct snd_kcontrol_new spkr_switch[] = {
 332        SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0)
 333};
 334
 335static const struct snd_kcontrol_new rdac2_mux = SOC_DAPM_ENUM(
 336                                        "RDAC2 MUX Mux", rdac2_mux_enum);
 337static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM(
 338                                        "ADC2 MUX Mux", adc2_enum);
 339
 340/* Analog Gain control 0 dB to +24 dB in 6 dB steps */
 341static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 600, 0);
 342
 343static const struct snd_kcontrol_new pm8916_wcd_analog_snd_controls[] = {
 344        SOC_SINGLE_TLV("ADC1 Volume", CDC_A_TX_1_EN, 3, 8, 0, analog_gain),
 345        SOC_SINGLE_TLV("ADC2 Volume", CDC_A_TX_2_EN, 3, 8, 0, analog_gain),
 346        SOC_SINGLE_TLV("ADC3 Volume", CDC_A_TX_3_EN, 3, 8, 0, analog_gain),
 347};
 348
 349static void pm8916_wcd_analog_micbias_enable(struct snd_soc_component *component)
 350{
 351        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 352
 353        snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
 354                            MICB_1_CTL_EXT_PRECHARG_EN_MASK |
 355                            MICB_1_CTL_INT_PRECHARG_BYP_MASK,
 356                            MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL
 357                            | MICB_1_CTL_EXT_PRECHARG_EN_ENABLE);
 358
 359        if (wcd->micbias_mv) {
 360                snd_soc_component_update_bits(component, CDC_A_MICB_1_VAL,
 361                                    MICB_1_VAL_MICB_OUT_VAL_MASK,
 362                                    MICB_VOLTAGE_REGVAL(wcd->micbias_mv));
 363                /*
 364                 * Special headset needs MICBIAS as 2.7V so wait for
 365                 * 50 msec for the MICBIAS to reach 2.7 volts.
 366                 */
 367                if (wcd->micbias_mv >= 2700)
 368                        msleep(50);
 369        }
 370
 371        snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
 372                            MICB_1_CTL_EXT_PRECHARG_EN_MASK |
 373                            MICB_1_CTL_INT_PRECHARG_BYP_MASK, 0);
 374
 375}
 376
 377static int pm8916_wcd_analog_enable_micbias(struct snd_soc_component *component,
 378                                            int event, unsigned int cap_mode)
 379{
 380        switch (event) {
 381        case SND_SOC_DAPM_POST_PMU:
 382                pm8916_wcd_analog_micbias_enable(component);
 383                snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
 384                                    MICB_1_EN_BYP_CAP_MASK, cap_mode);
 385                break;
 386        }
 387
 388        return 0;
 389}
 390
 391static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_dapm_widget *w,
 392                                                struct snd_kcontrol *kcontrol,
 393                                                int event)
 394{
 395        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 396
 397        switch (event) {
 398        case SND_SOC_DAPM_PRE_PMU:
 399                snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
 400                                    MICB_1_EN_OPA_STG2_TAIL_CURR_MASK,
 401                                    MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA);
 402                break;
 403        }
 404
 405        return 0;
 406}
 407
 408static int pm8916_wcd_analog_enable_micbias1(struct snd_soc_dapm_widget *w,
 409                                             struct snd_kcontrol *kcontrol,
 410                                             int event)
 411{
 412        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 413        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 414
 415        return pm8916_wcd_analog_enable_micbias(component, event,
 416                                                wcd->micbias1_cap_mode);
 417}
 418
 419static int pm8916_wcd_analog_enable_micbias2(struct snd_soc_dapm_widget *w,
 420                                             struct snd_kcontrol *kcontrol,
 421                                             int event)
 422{
 423        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 424        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 425
 426        return pm8916_wcd_analog_enable_micbias(component, event,
 427                                                wcd->micbias2_cap_mode);
 428
 429}
 430
 431static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv,
 432                                      bool micbias2_enabled)
 433{
 434        struct snd_soc_component *component = priv->component;
 435        u32 coarse, fine, reg_val, reg_addr;
 436        int *vrefs, i;
 437
 438        if (!micbias2_enabled) { /* use internal 100uA Current source */
 439                /* Enable internal 2.2k Internal Rbias Resistor */
 440                snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS,
 441                                    MICB_1_INT_TX2_INT_RBIAS_EN_MASK,
 442                                    MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE);
 443                /* Remove pull down on MIC BIAS2 */
 444                snd_soc_component_update_bits(component, CDC_A_MICB_2_EN,
 445                                   CDC_A_MICB_2_PULL_DOWN_EN_MASK,
 446                                   0);
 447                /* enable 100uA internal current source */
 448                snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL,
 449                                    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK,
 450                                    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA);
 451        }
 452        snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL,
 453                        CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK,
 454                        CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN);
 455
 456        if (micbias2_enabled)
 457                vrefs = &priv->vref_btn_micb[0];
 458        else
 459                vrefs = &priv->vref_btn_cs[0];
 460
 461        /* program vref ranges for all the buttons */
 462        reg_addr = CDC_A_MBHC_BTN0_ZDET_CTL_0;
 463        for (i = 0; i <  MBHC_MAX_BUTTONS; i++) {
 464                /* split mv in to coarse parts of 100mv & fine parts of 12mv */
 465                coarse = (vrefs[i] / 100);
 466                fine = ((vrefs[i] % 100) / 12);
 467                reg_val = (coarse << CDC_A_MBHC_BTN_VREF_COARSE_SHIFT) |
 468                         (fine << CDC_A_MBHC_BTN_VREF_FINE_SHIFT);
 469                snd_soc_component_update_bits(component, reg_addr,
 470                               CDC_A_MBHC_BTN_VREF_MASK,
 471                               reg_val);
 472                reg_addr++;
 473        }
 474
 475        return 0;
 476}
 477
 478static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd)
 479{
 480        struct snd_soc_component *component = wcd->component;
 481        bool micbias_enabled = false;
 482        u32 plug_type = 0;
 483        u32 int_en_mask;
 484
 485        snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_1,
 486                      CDC_A_MBHC_DET_CTL_L_DET_EN |
 487                      CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION |
 488                      CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO |
 489                      CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN);
 490
 491        if (wcd->hphl_jack_type_normally_open)
 492                plug_type |= CDC_A_HPHL_PLUG_TYPE_NO;
 493
 494        if (wcd->gnd_jack_type_normally_open)
 495                plug_type |= CDC_A_GND_PLUG_TYPE_NO;
 496
 497        snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_2,
 498                      CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 |
 499                      CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD |
 500                      plug_type |
 501                      CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN);
 502
 503
 504        snd_soc_component_write(component, CDC_A_MBHC_DBNC_TIMER,
 505                      CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS |
 506                      CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS);
 507
 508        /* enable MBHC clock */
 509        snd_soc_component_update_bits(component, CDC_D_CDC_DIG_CLK_CTL,
 510                            DIG_CLK_CTL_D_MBHC_CLK_EN_MASK,
 511                            DIG_CLK_CTL_D_MBHC_CLK_EN);
 512
 513        if (snd_soc_component_read(component, CDC_A_MICB_2_EN) & CDC_A_MICB_2_EN_ENABLE)
 514                micbias_enabled = true;
 515
 516        pm8916_mbhc_configure_bias(wcd, micbias_enabled);
 517
 518        int_en_mask = MBHC_SWITCH_INT;
 519        if (wcd->mbhc_btn_enabled)
 520                int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET;
 521
 522        snd_soc_component_update_bits(component, CDC_D_INT_EN_CLR, int_en_mask, 0);
 523        snd_soc_component_update_bits(component, CDC_D_INT_EN_SET, int_en_mask, int_en_mask);
 524        wcd->mbhc_btn0_released = false;
 525        wcd->detect_accessory_type = true;
 526}
 527
 528static int pm8916_wcd_analog_enable_micbias_int2(struct
 529                                                  snd_soc_dapm_widget
 530                                                  *w, struct snd_kcontrol
 531                                                  *kcontrol, int event)
 532{
 533        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 534        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 535
 536        switch (event) {
 537        case SND_SOC_DAPM_PRE_PMU:
 538                snd_soc_component_update_bits(component, CDC_A_MICB_2_EN,
 539                                              CDC_A_MICB_2_PULL_DOWN_EN_MASK, 0);
 540                break;
 541        case SND_SOC_DAPM_POST_PMU:
 542                pm8916_mbhc_configure_bias(wcd, true);
 543                break;
 544        case SND_SOC_DAPM_POST_PMD:
 545                pm8916_mbhc_configure_bias(wcd, false);
 546                break;
 547        }
 548
 549        return pm8916_wcd_analog_enable_micbias_int(w, kcontrol, event);
 550}
 551
 552static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w,
 553                                         struct snd_kcontrol *kcontrol,
 554                                         int event)
 555{
 556        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 557        u16 adc_reg = CDC_A_TX_1_2_TEST_CTL_2;
 558        u8 init_bit_shift;
 559
 560        if (w->reg == CDC_A_TX_1_EN)
 561                init_bit_shift = 5;
 562        else
 563                init_bit_shift = 4;
 564
 565        switch (event) {
 566        case SND_SOC_DAPM_PRE_PMU:
 567                if (w->reg == CDC_A_TX_2_EN)
 568                        snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
 569                                            MICB_1_CTL_CFILT_REF_SEL_MASK,
 570                                            MICB_1_CTL_CFILT_REF_SEL_HPF_REF);
 571                /*
 572                 * Add delay of 10 ms to give sufficient time for the voltage
 573                 * to shoot up and settle so that the txfe init does not
 574                 * happen when the input voltage is changing too much.
 575                 */
 576                usleep_range(10000, 10010);
 577                snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift,
 578                                    1 << init_bit_shift);
 579                switch (w->reg) {
 580                case CDC_A_TX_1_EN:
 581                        snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL,
 582                                            CONN_TX1_SERIAL_TX1_MUX,
 583                                            CONN_TX1_SERIAL_TX1_ADC_1);
 584                        break;
 585                case CDC_A_TX_2_EN:
 586                case CDC_A_TX_3_EN:
 587                        snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL,
 588                                            CONN_TX2_SERIAL_TX2_MUX,
 589                                            CONN_TX2_SERIAL_TX2_ADC_2);
 590                        break;
 591                }
 592                break;
 593        case SND_SOC_DAPM_POST_PMU:
 594                /*
 595                 * Add delay of 12 ms before deasserting the init
 596                 * to reduce the tx pop
 597                 */
 598                usleep_range(12000, 12010);
 599                snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift, 0x00);
 600                break;
 601        case SND_SOC_DAPM_POST_PMD:
 602                switch (w->reg) {
 603                case CDC_A_TX_1_EN:
 604                        snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL,
 605                                            CONN_TX1_SERIAL_TX1_MUX,
 606                                            CONN_TX1_SERIAL_TX1_ZERO);
 607                        break;
 608                case CDC_A_TX_2_EN:
 609                        snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
 610                                            MICB_1_CTL_CFILT_REF_SEL_MASK, 0);
 611                        fallthrough;
 612                case CDC_A_TX_3_EN:
 613                        snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL,
 614                                            CONN_TX2_SERIAL_TX2_MUX,
 615                                            CONN_TX2_SERIAL_TX2_ZERO);
 616                        break;
 617                }
 618
 619
 620                break;
 621        }
 622        return 0;
 623}
 624
 625static int pm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w,
 626                                            struct snd_kcontrol *kcontrol,
 627                                            int event)
 628{
 629        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 630
 631        switch (event) {
 632        case SND_SOC_DAPM_PRE_PMU:
 633                snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL,
 634                                    SPKR_PWRSTG_CTL_DAC_EN_MASK |
 635                                    SPKR_PWRSTG_CTL_BBM_MASK |
 636                                    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
 637                                    SPKR_PWRSTG_CTL_CLAMP_EN_MASK,
 638                                    SPKR_PWRSTG_CTL_DAC_EN|
 639                                    SPKR_PWRSTG_CTL_BBM_EN |
 640                                    SPKR_PWRSTG_CTL_HBRDGE_EN |
 641                                    SPKR_PWRSTG_CTL_CLAMP_EN);
 642
 643                snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
 644                                    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK,
 645                                    RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE);
 646                break;
 647        case SND_SOC_DAPM_POST_PMU:
 648                snd_soc_component_update_bits(component, CDC_A_SPKR_DRV_CTL,
 649                                    SPKR_DRV_CTL_DEF_MASK,
 650                                    SPKR_DRV_CTL_DEF_VAL);
 651                snd_soc_component_update_bits(component, w->reg,
 652                                    SPKR_DRV_CLASSD_PA_EN_MASK,
 653                                    SPKR_DRV_CLASSD_PA_EN_ENABLE);
 654                break;
 655        case SND_SOC_DAPM_POST_PMD:
 656                snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL,
 657                                    SPKR_PWRSTG_CTL_DAC_EN_MASK|
 658                                    SPKR_PWRSTG_CTL_BBM_MASK |
 659                                    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
 660                                    SPKR_PWRSTG_CTL_CLAMP_EN_MASK, 0);
 661
 662                snd_soc_component_update_bits(component, CDC_A_SPKR_DAC_CTL,
 663                                    SPKR_DAC_CTL_DAC_RESET_MASK,
 664                                    SPKR_DAC_CTL_DAC_RESET_NORMAL);
 665                snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
 666                                    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, 0);
 667                break;
 668        }
 669        return 0;
 670}
 671
 672static int pm8916_wcd_analog_enable_ear_pa(struct snd_soc_dapm_widget *w,
 673                                            struct snd_kcontrol *kcontrol,
 674                                            int event)
 675{
 676        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 677
 678        switch (event) {
 679        case SND_SOC_DAPM_PRE_PMU:
 680                snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
 681                                    RX_EAR_CTL_PA_SEL_MASK, RX_EAR_CTL_PA_SEL);
 682                break;
 683        case SND_SOC_DAPM_POST_PMU:
 684                snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
 685                                    RX_EAR_CTL_PA_EAR_PA_EN_MASK,
 686                                    RX_EAR_CTL_PA_EAR_PA_EN_ENABLE);
 687                break;
 688        case SND_SOC_DAPM_POST_PMD:
 689                snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
 690                                    RX_EAR_CTL_PA_EAR_PA_EN_MASK, 0);
 691                /* Delay to reduce ear turn off pop */
 692                usleep_range(7000, 7100);
 693                snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
 694                                    RX_EAR_CTL_PA_SEL_MASK, 0);
 695                break;
 696        }
 697        return 0;
 698}
 699
 700static const struct reg_default wcd_reg_defaults_2_0[] = {
 701        {CDC_A_RX_COM_OCP_CTL, 0xD1},
 702        {CDC_A_RX_COM_OCP_COUNT, 0xFF},
 703        {CDC_D_SEC_ACCESS, 0xA5},
 704        {CDC_D_PERPH_RESET_CTL3, 0x0F},
 705        {CDC_A_TX_1_2_OPAMP_BIAS, 0x4F},
 706        {CDC_A_NCP_FBCTRL, 0x28},
 707        {CDC_A_SPKR_DRV_CTL, 0x69},
 708        {CDC_A_SPKR_DRV_DBG, 0x01},
 709        {CDC_A_BOOST_EN_CTL, 0x5F},
 710        {CDC_A_SLOPE_COMP_IP_ZERO, 0x88},
 711        {CDC_A_SEC_ACCESS, 0xA5},
 712        {CDC_A_PERPH_RESET_CTL3, 0x0F},
 713        {CDC_A_CURRENT_LIMIT, 0x82},
 714        {CDC_A_SPKR_DAC_CTL, 0x03},
 715        {CDC_A_SPKR_OCP_CTL, 0xE1},
 716        {CDC_A_MASTER_BIAS_CTL, 0x30},
 717};
 718
 719static int pm8916_wcd_analog_probe(struct snd_soc_component *component)
 720{
 721        struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev);
 722        int err, reg;
 723
 724        err = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
 725        if (err != 0) {
 726                dev_err(component->dev, "failed to enable regulators (%d)\n", err);
 727                return err;
 728        }
 729
 730        snd_soc_component_init_regmap(component,
 731                                  dev_get_regmap(component->dev->parent, NULL));
 732        snd_soc_component_set_drvdata(component, priv);
 733        priv->pmic_rev = snd_soc_component_read(component, CDC_D_REVISION1);
 734        priv->codec_version = snd_soc_component_read(component, CDC_D_PERPH_SUBTYPE);
 735
 736        dev_info(component->dev, "PMIC REV: %d\t CODEC Version: %d\n",
 737                 priv->pmic_rev, priv->codec_version);
 738
 739        snd_soc_component_write(component, CDC_D_PERPH_RESET_CTL4, 0x01);
 740        snd_soc_component_write(component, CDC_A_PERPH_RESET_CTL4, 0x01);
 741
 742        for (reg = 0; reg < ARRAY_SIZE(wcd_reg_defaults_2_0); reg++)
 743                snd_soc_component_write(component, wcd_reg_defaults_2_0[reg].reg,
 744                              wcd_reg_defaults_2_0[reg].def);
 745
 746        priv->component = component;
 747
 748        snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL,
 749                            RST_CTL_DIG_SW_RST_N_MASK,
 750                            RST_CTL_DIG_SW_RST_N_REMOVE_RESET);
 751
 752        pm8916_wcd_setup_mbhc(priv);
 753
 754        return 0;
 755}
 756
 757static void pm8916_wcd_analog_remove(struct snd_soc_component *component)
 758{
 759        struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev);
 760
 761        snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL,
 762                            RST_CTL_DIG_SW_RST_N_MASK, 0);
 763
 764        regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
 765                                      priv->supplies);
 766}
 767
 768static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = {
 769
 770        {"PDM_RX1", NULL, "PDM Playback"},
 771        {"PDM_RX2", NULL, "PDM Playback"},
 772        {"PDM_RX3", NULL, "PDM Playback"},
 773        {"PDM Capture", NULL, "PDM_TX"},
 774
 775        /* ADC Connections */
 776        {"PDM_TX", NULL, "ADC2"},
 777        {"PDM_TX", NULL, "ADC3"},
 778        {"ADC2", NULL, "ADC2 MUX"},
 779        {"ADC3", NULL, "ADC2 MUX"},
 780        {"ADC2 MUX", "INP2", "ADC2_INP2"},
 781        {"ADC2 MUX", "INP3", "ADC2_INP3"},
 782
 783        {"PDM_TX", NULL, "ADC1"},
 784        {"ADC1", NULL, "AMIC1"},
 785        {"ADC2_INP2", NULL, "AMIC2"},
 786        {"ADC2_INP3", NULL, "AMIC3"},
 787
 788        /* RDAC Connections */
 789        {"HPHR DAC", NULL, "RDAC2 MUX"},
 790        {"RDAC2 MUX", "RX1", "PDM_RX1"},
 791        {"RDAC2 MUX", "RX2", "PDM_RX2"},
 792        {"HPHL DAC", NULL, "PDM_RX1"},
 793        {"PDM_RX1", NULL, "RXD1_CLK"},
 794        {"PDM_RX2", NULL, "RXD2_CLK"},
 795        {"PDM_RX3", NULL, "RXD3_CLK"},
 796
 797        {"PDM_RX1", NULL, "RXD_PDM_CLK"},
 798        {"PDM_RX2", NULL, "RXD_PDM_CLK"},
 799        {"PDM_RX3", NULL, "RXD_PDM_CLK"},
 800
 801        {"ADC1", NULL, "TXD_CLK"},
 802        {"ADC2", NULL, "TXD_CLK"},
 803        {"ADC3", NULL, "TXD_CLK"},
 804
 805        {"ADC1", NULL, "TXA_CLK25"},
 806        {"ADC2", NULL, "TXA_CLK25"},
 807        {"ADC3", NULL, "TXA_CLK25"},
 808
 809        {"PDM_RX1", NULL, "A_MCLK2"},
 810        {"PDM_RX2", NULL, "A_MCLK2"},
 811        {"PDM_RX3", NULL, "A_MCLK2"},
 812
 813        {"PDM_TX", NULL, "A_MCLK2"},
 814        {"A_MCLK2", NULL, "A_MCLK"},
 815
 816        /* Earpiece (RX MIX1) */
 817        {"EAR", NULL, "EAR_S"},
 818        {"EAR_S", "Switch", "EAR PA"},
 819        {"EAR PA", NULL, "RX_BIAS"},
 820        {"EAR PA", NULL, "HPHL DAC"},
 821        {"EAR PA", NULL, "HPHR DAC"},
 822        {"EAR PA", NULL, "EAR CP"},
 823
 824        /* Headset (RX MIX1 and RX MIX2) */
 825        {"HEADPHONE", NULL, "HPHL PA"},
 826        {"HEADPHONE", NULL, "HPHR PA"},
 827
 828        {"HPHL DAC", NULL, "EAR_HPHL_CLK"},
 829        {"HPHR DAC", NULL, "EAR_HPHR_CLK"},
 830
 831        {"CP", NULL, "NCP_CLK"},
 832
 833        {"HPHL PA", NULL, "HPHL"},
 834        {"HPHR PA", NULL, "HPHR"},
 835        {"HPHL PA", NULL, "CP"},
 836        {"HPHL PA", NULL, "RX_BIAS"},
 837        {"HPHR PA", NULL, "CP"},
 838        {"HPHR PA", NULL, "RX_BIAS"},
 839        {"HPHL", "Switch", "HPHL DAC"},
 840        {"HPHR", "Switch", "HPHR DAC"},
 841
 842        {"RX_BIAS", NULL, "DAC_REF"},
 843
 844        {"SPK_OUT", NULL, "SPK PA"},
 845        {"SPK PA", NULL, "RX_BIAS"},
 846        {"SPK PA", NULL, "SPKR_CLK"},
 847        {"SPK PA", NULL, "SPK DAC"},
 848        {"SPK DAC", "Switch", "PDM_RX3"},
 849
 850        {"MIC_BIAS1", NULL, "INT_LDO_H"},
 851        {"MIC_BIAS2", NULL, "INT_LDO_H"},
 852        {"MIC_BIAS1", NULL, "vdd-micbias"},
 853        {"MIC_BIAS2", NULL, "vdd-micbias"},
 854
 855        {"MIC BIAS External1", NULL, "MIC_BIAS1"},
 856        {"MIC BIAS Internal1", NULL, "MIC_BIAS1"},
 857        {"MIC BIAS External2", NULL, "MIC_BIAS2"},
 858        {"MIC BIAS Internal2", NULL, "MIC_BIAS2"},
 859        {"MIC BIAS Internal3", NULL, "MIC_BIAS1"},
 860};
 861
 862static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = {
 863
 864        SND_SOC_DAPM_AIF_IN("PDM_RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
 865        SND_SOC_DAPM_AIF_IN("PDM_RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
 866        SND_SOC_DAPM_AIF_IN("PDM_RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
 867        SND_SOC_DAPM_AIF_OUT("PDM_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
 868
 869        SND_SOC_DAPM_INPUT("AMIC1"),
 870        SND_SOC_DAPM_INPUT("AMIC3"),
 871        SND_SOC_DAPM_INPUT("AMIC2"),
 872        SND_SOC_DAPM_OUTPUT("EAR"),
 873        SND_SOC_DAPM_OUTPUT("HEADPHONE"),
 874
 875        /* RX stuff */
 876        SND_SOC_DAPM_SUPPLY("INT_LDO_H", SND_SOC_NOPM, 1, 0, NULL, 0),
 877
 878        SND_SOC_DAPM_PGA_E("EAR PA", SND_SOC_NOPM,
 879                           0, 0, NULL, 0,
 880                           pm8916_wcd_analog_enable_ear_pa,
 881                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 882                           SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
 883        SND_SOC_DAPM_MUX("EAR_S", SND_SOC_NOPM, 0, 0, &ear_mux),
 884        SND_SOC_DAPM_SUPPLY("EAR CP", CDC_A_NCP_EN, 4, 0, NULL, 0),
 885
 886        SND_SOC_DAPM_PGA("HPHL PA", CDC_A_RX_HPH_CNP_EN, 5, 0, NULL, 0),
 887        SND_SOC_DAPM_MUX("HPHL", SND_SOC_NOPM, 0, 0, &hphl_mux),
 888        SND_SOC_DAPM_MIXER("HPHL DAC", CDC_A_RX_HPH_L_PA_DAC_CTL, 3, 0, NULL,
 889                           0),
 890        SND_SOC_DAPM_PGA("HPHR PA", CDC_A_RX_HPH_CNP_EN, 4, 0, NULL, 0),
 891        SND_SOC_DAPM_MUX("HPHR", SND_SOC_NOPM, 0, 0, &hphr_mux),
 892        SND_SOC_DAPM_MIXER("HPHR DAC", CDC_A_RX_HPH_R_PA_DAC_CTL, 3, 0, NULL,
 893                           0),
 894        SND_SOC_DAPM_MIXER("SPK DAC", SND_SOC_NOPM, 0, 0,
 895                           spkr_switch, ARRAY_SIZE(spkr_switch)),
 896
 897        /* Speaker */
 898        SND_SOC_DAPM_OUTPUT("SPK_OUT"),
 899        SND_SOC_DAPM_PGA_E("SPK PA", CDC_A_SPKR_DRV_CTL,
 900                           6, 0, NULL, 0,
 901                           pm8916_wcd_analog_enable_spk_pa,
 902                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 903                           SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
 904        SND_SOC_DAPM_REGULATOR_SUPPLY("vdd-micbias", 0, 0),
 905        SND_SOC_DAPM_SUPPLY("CP", CDC_A_NCP_EN, 0, 0, NULL, 0),
 906
 907        SND_SOC_DAPM_SUPPLY("DAC_REF", CDC_A_RX_COM_BIAS_DAC, 0, 0, NULL, 0),
 908        SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0),
 909
 910        /* TX */
 911        SND_SOC_DAPM_SUPPLY("MIC_BIAS1", CDC_A_MICB_1_EN, 7, 0,
 912                            pm8916_wcd_analog_enable_micbias1,
 913                            SND_SOC_DAPM_POST_PMU),
 914        SND_SOC_DAPM_SUPPLY("MIC_BIAS2", CDC_A_MICB_2_EN, 7, 0,
 915                            pm8916_wcd_analog_enable_micbias2,
 916                            SND_SOC_DAPM_POST_PMU),
 917
 918        SND_SOC_DAPM_SUPPLY("MIC BIAS External1", SND_SOC_NOPM, 0, 0, NULL, 0),
 919        SND_SOC_DAPM_SUPPLY("MIC BIAS External2", SND_SOC_NOPM, 0, 0, NULL, 0),
 920
 921        SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_INT_RBIAS, 7, 0,
 922                            pm8916_wcd_analog_enable_micbias_int,
 923                            SND_SOC_DAPM_PRE_PMU),
 924        SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_1_INT_RBIAS, 4, 0,
 925                            pm8916_wcd_analog_enable_micbias_int2,
 926                            SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 927                            SND_SOC_DAPM_POST_PMD),
 928        SND_SOC_DAPM_SUPPLY("MIC BIAS Internal3", CDC_A_MICB_1_INT_RBIAS, 1, 0,
 929                            pm8916_wcd_analog_enable_micbias_int,
 930                            SND_SOC_DAPM_PRE_PMU),
 931
 932        SND_SOC_DAPM_ADC_E("ADC1", NULL, CDC_A_TX_1_EN, 7, 0,
 933                           pm8916_wcd_analog_enable_adc,
 934                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 935                           SND_SOC_DAPM_POST_PMD),
 936        SND_SOC_DAPM_ADC_E("ADC2_INP2", NULL, CDC_A_TX_2_EN, 7, 0,
 937                           pm8916_wcd_analog_enable_adc,
 938                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 939                           SND_SOC_DAPM_POST_PMD),
 940        SND_SOC_DAPM_ADC_E("ADC2_INP3", NULL, CDC_A_TX_3_EN, 7, 0,
 941                           pm8916_wcd_analog_enable_adc,
 942                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 943                           SND_SOC_DAPM_POST_PMD),
 944
 945        SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0),
 946        SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0),
 947
 948        SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
 949        SND_SOC_DAPM_MUX("RDAC2 MUX", SND_SOC_NOPM, 0, 0, &rdac2_mux),
 950
 951        /* Analog path clocks */
 952        SND_SOC_DAPM_SUPPLY("EAR_HPHR_CLK", CDC_D_CDC_ANA_CLK_CTL, 0, 0, NULL,
 953                            0),
 954        SND_SOC_DAPM_SUPPLY("EAR_HPHL_CLK", CDC_D_CDC_ANA_CLK_CTL, 1, 0, NULL,
 955                            0),
 956        SND_SOC_DAPM_SUPPLY("SPKR_CLK", CDC_D_CDC_ANA_CLK_CTL, 4, 0, NULL, 0),
 957        SND_SOC_DAPM_SUPPLY("TXA_CLK25", CDC_D_CDC_ANA_CLK_CTL, 5, 0, NULL, 0),
 958
 959        /* Digital path clocks */
 960
 961        SND_SOC_DAPM_SUPPLY("RXD1_CLK", CDC_D_CDC_DIG_CLK_CTL, 0, 0, NULL, 0),
 962        SND_SOC_DAPM_SUPPLY("RXD2_CLK", CDC_D_CDC_DIG_CLK_CTL, 1, 0, NULL, 0),
 963        SND_SOC_DAPM_SUPPLY("RXD3_CLK", CDC_D_CDC_DIG_CLK_CTL, 2, 0, NULL, 0),
 964
 965        SND_SOC_DAPM_SUPPLY("TXD_CLK", CDC_D_CDC_DIG_CLK_CTL, 4, 0, NULL, 0),
 966        SND_SOC_DAPM_SUPPLY("NCP_CLK", CDC_D_CDC_DIG_CLK_CTL, 6, 0, NULL, 0),
 967        SND_SOC_DAPM_SUPPLY("RXD_PDM_CLK", CDC_D_CDC_DIG_CLK_CTL, 7, 0, NULL,
 968                            0),
 969
 970        /* System Clock source */
 971        SND_SOC_DAPM_SUPPLY("A_MCLK", CDC_D_CDC_TOP_CLK_CTL, 2, 0, NULL, 0),
 972        /* TX ADC and RX DAC Clock source. */
 973        SND_SOC_DAPM_SUPPLY("A_MCLK2", CDC_D_CDC_TOP_CLK_CTL, 3, 0, NULL, 0),
 974};
 975
 976static int pm8916_wcd_analog_set_jack(struct snd_soc_component *component,
 977                                      struct snd_soc_jack *jack,
 978                                      void *data)
 979{
 980        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 981
 982        wcd->jack = jack;
 983
 984        return 0;
 985}
 986
 987static irqreturn_t mbhc_btn_release_irq_handler(int irq, void *arg)
 988{
 989        struct pm8916_wcd_analog_priv *priv = arg;
 990
 991        if (priv->detect_accessory_type) {
 992                struct snd_soc_component *component = priv->component;
 993                u32 val = snd_soc_component_read(component, CDC_A_MBHC_RESULT_1);
 994
 995                /* check if its BTN0 thats released */
 996                if ((val != -1) && !(val & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK))
 997                        priv->mbhc_btn0_released = true;
 998
 999        } else {
1000                snd_soc_jack_report(priv->jack, 0, btn_mask);
1001        }
1002
1003        return IRQ_HANDLED;
1004}
1005
1006static irqreturn_t mbhc_btn_press_irq_handler(int irq, void *arg)
1007{
1008        struct pm8916_wcd_analog_priv *priv = arg;
1009        struct snd_soc_component *component = priv->component;
1010        u32 btn_result;
1011
1012        btn_result = snd_soc_component_read(component, CDC_A_MBHC_RESULT_1) &
1013                                  CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK;
1014
1015        switch (btn_result) {
1016        case 0xf:
1017                snd_soc_jack_report(priv->jack, SND_JACK_BTN_4, btn_mask);
1018                break;
1019        case 0x7:
1020                snd_soc_jack_report(priv->jack, SND_JACK_BTN_3, btn_mask);
1021                break;
1022        case 0x3:
1023                snd_soc_jack_report(priv->jack, SND_JACK_BTN_2, btn_mask);
1024                break;
1025        case 0x1:
1026                snd_soc_jack_report(priv->jack, SND_JACK_BTN_1, btn_mask);
1027                break;
1028        case 0x0:
1029                /* handle BTN_0 specially for type detection */
1030                if (!priv->detect_accessory_type)
1031                        snd_soc_jack_report(priv->jack,
1032                                            SND_JACK_BTN_0, btn_mask);
1033                break;
1034        default:
1035                dev_err(component->dev,
1036                        "Unexpected button press result (%x)", btn_result);
1037                break;
1038        }
1039
1040        return IRQ_HANDLED;
1041}
1042
1043static irqreturn_t pm8916_mbhc_switch_irq_handler(int irq, void *arg)
1044{
1045        struct pm8916_wcd_analog_priv *priv = arg;
1046        struct snd_soc_component *component = priv->component;
1047        bool ins = false;
1048
1049        if (snd_soc_component_read(component, CDC_A_MBHC_DET_CTL_1) &
1050                                CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK)
1051                ins = true;
1052
1053        /* Set the detection type appropriately */
1054        snd_soc_component_update_bits(component, CDC_A_MBHC_DET_CTL_1,
1055                            CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK,
1056                            (!ins << CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT));
1057
1058
1059        if (ins) { /* hs insertion */
1060                bool micbias_enabled = false;
1061
1062                if (snd_soc_component_read(component, CDC_A_MICB_2_EN) &
1063                                CDC_A_MICB_2_EN_ENABLE)
1064                        micbias_enabled = true;
1065
1066                pm8916_mbhc_configure_bias(priv, micbias_enabled);
1067
1068                /*
1069                 * if only a btn0 press event is receive just before
1070                 * insert event then its a 3 pole headphone else if
1071                 * both press and release event received then its
1072                 * a headset.
1073                 */
1074                if (priv->mbhc_btn0_released)
1075                        snd_soc_jack_report(priv->jack,
1076                                            SND_JACK_HEADSET, hs_jack_mask);
1077                else
1078                        snd_soc_jack_report(priv->jack,
1079                                            SND_JACK_HEADPHONE, hs_jack_mask);
1080
1081                priv->detect_accessory_type = false;
1082
1083        } else { /* removal */
1084                snd_soc_jack_report(priv->jack, 0, hs_jack_mask);
1085                priv->detect_accessory_type = true;
1086                priv->mbhc_btn0_released = false;
1087        }
1088
1089        return IRQ_HANDLED;
1090}
1091
1092static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = {
1093        [0] = {
1094               .name = "pm8916_wcd_analog_pdm_rx",
1095               .id = 0,
1096               .playback = {
1097                            .stream_name = "PDM Playback",
1098                            .rates = MSM8916_WCD_ANALOG_RATES,
1099                            .formats = MSM8916_WCD_ANALOG_FORMATS,
1100                            .channels_min = 1,
1101                            .channels_max = 3,
1102                            },
1103               },
1104        [1] = {
1105               .name = "pm8916_wcd_analog_pdm_tx",
1106               .id = 1,
1107               .capture = {
1108                           .stream_name = "PDM Capture",
1109                           .rates = MSM8916_WCD_ANALOG_RATES,
1110                           .formats = MSM8916_WCD_ANALOG_FORMATS,
1111                           .channels_min = 1,
1112                           .channels_max = 4,
1113                           },
1114               },
1115};
1116
1117static const struct snd_soc_component_driver pm8916_wcd_analog = {
1118        .probe                  = pm8916_wcd_analog_probe,
1119        .remove                 = pm8916_wcd_analog_remove,
1120        .set_jack               = pm8916_wcd_analog_set_jack,
1121        .controls               = pm8916_wcd_analog_snd_controls,
1122        .num_controls           = ARRAY_SIZE(pm8916_wcd_analog_snd_controls),
1123        .dapm_widgets           = pm8916_wcd_analog_dapm_widgets,
1124        .num_dapm_widgets       = ARRAY_SIZE(pm8916_wcd_analog_dapm_widgets),
1125        .dapm_routes            = pm8916_wcd_analog_audio_map,
1126        .num_dapm_routes        = ARRAY_SIZE(pm8916_wcd_analog_audio_map),
1127        .idle_bias_on           = 1,
1128        .use_pmdown_time        = 1,
1129        .endianness             = 1,
1130        .non_legacy_dai_naming  = 1,
1131};
1132
1133static int pm8916_wcd_analog_parse_dt(struct device *dev,
1134                                       struct pm8916_wcd_analog_priv *priv)
1135{
1136        int rval;
1137
1138        if (of_property_read_bool(dev->of_node, "qcom,micbias1-ext-cap"))
1139                priv->micbias1_cap_mode = MICB_1_EN_EXT_BYP_CAP;
1140        else
1141                priv->micbias1_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
1142
1143        if (of_property_read_bool(dev->of_node, "qcom,micbias2-ext-cap"))
1144                priv->micbias2_cap_mode = MICB_1_EN_EXT_BYP_CAP;
1145        else
1146                priv->micbias2_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
1147
1148        of_property_read_u32(dev->of_node, "qcom,micbias-lvl",
1149                             &priv->micbias_mv);
1150
1151        if (of_property_read_bool(dev->of_node,
1152                                  "qcom,hphl-jack-type-normally-open"))
1153                priv->hphl_jack_type_normally_open = true;
1154        else
1155                priv->hphl_jack_type_normally_open = false;
1156
1157        if (of_property_read_bool(dev->of_node,
1158                                  "qcom,gnd-jack-type-normally-open"))
1159                priv->gnd_jack_type_normally_open = true;
1160        else
1161                priv->gnd_jack_type_normally_open = false;
1162
1163        priv->mbhc_btn_enabled = true;
1164        rval = of_property_read_u32_array(dev->of_node,
1165                                          "qcom,mbhc-vthreshold-low",
1166                                          &priv->vref_btn_cs[0],
1167                                          MBHC_MAX_BUTTONS);
1168        if (rval < 0) {
1169                priv->mbhc_btn_enabled = false;
1170        } else {
1171                rval = of_property_read_u32_array(dev->of_node,
1172                                                  "qcom,mbhc-vthreshold-high",
1173                                                  &priv->vref_btn_micb[0],
1174                                                  MBHC_MAX_BUTTONS);
1175                if (rval < 0)
1176                        priv->mbhc_btn_enabled = false;
1177        }
1178
1179        if (!priv->mbhc_btn_enabled)
1180                dev_err(dev,
1181                        "DT property missing, MBHC btn detection disabled\n");
1182
1183
1184        return 0;
1185}
1186
1187static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
1188{
1189        struct pm8916_wcd_analog_priv *priv;
1190        struct device *dev = &pdev->dev;
1191        int ret, i, irq;
1192
1193        priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1194        if (!priv)
1195                return -ENOMEM;
1196
1197        ret = pm8916_wcd_analog_parse_dt(dev, priv);
1198        if (ret < 0)
1199                return ret;
1200
1201        priv->mclk = devm_clk_get(dev, "mclk");
1202        if (IS_ERR(priv->mclk)) {
1203                dev_err(dev, "failed to get mclk\n");
1204                return PTR_ERR(priv->mclk);
1205        }
1206
1207        for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1208                priv->supplies[i].supply = supply_names[i];
1209
1210        ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies),
1211                                    priv->supplies);
1212        if (ret) {
1213                dev_err(dev, "Failed to get regulator supplies %d\n", ret);
1214                return ret;
1215        }
1216
1217        ret = clk_prepare_enable(priv->mclk);
1218        if (ret < 0) {
1219                dev_err(dev, "failed to enable mclk %d\n", ret);
1220                return ret;
1221        }
1222
1223        irq = platform_get_irq_byname(pdev, "mbhc_switch_int");
1224        if (irq < 0)
1225                return irq;
1226
1227        ret = devm_request_threaded_irq(dev, irq, NULL,
1228                               pm8916_mbhc_switch_irq_handler,
1229                               IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
1230                               IRQF_ONESHOT,
1231                               "mbhc switch irq", priv);
1232        if (ret)
1233                dev_err(dev, "cannot request mbhc switch irq\n");
1234
1235        if (priv->mbhc_btn_enabled) {
1236                irq = platform_get_irq_byname(pdev, "mbhc_but_press_det");
1237                if (irq < 0)
1238                        return irq;
1239
1240                ret = devm_request_threaded_irq(dev, irq, NULL,
1241                                       mbhc_btn_press_irq_handler,
1242                                       IRQF_TRIGGER_RISING |
1243                                       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1244                                       "mbhc btn press irq", priv);
1245                if (ret)
1246                        dev_err(dev, "cannot request mbhc button press irq\n");
1247
1248                irq = platform_get_irq_byname(pdev, "mbhc_but_rel_det");
1249                if (irq < 0)
1250                        return irq;
1251
1252                ret = devm_request_threaded_irq(dev, irq, NULL,
1253                                       mbhc_btn_release_irq_handler,
1254                                       IRQF_TRIGGER_RISING |
1255                                       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1256                                       "mbhc btn release irq", priv);
1257                if (ret)
1258                        dev_err(dev, "cannot request mbhc button release irq\n");
1259
1260        }
1261
1262        dev_set_drvdata(dev, priv);
1263
1264        return devm_snd_soc_register_component(dev, &pm8916_wcd_analog,
1265                                      pm8916_wcd_analog_dai,
1266                                      ARRAY_SIZE(pm8916_wcd_analog_dai));
1267}
1268
1269static int pm8916_wcd_analog_spmi_remove(struct platform_device *pdev)
1270{
1271        struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(&pdev->dev);
1272
1273        clk_disable_unprepare(priv->mclk);
1274
1275        return 0;
1276}
1277
1278static const struct of_device_id pm8916_wcd_analog_spmi_match_table[] = {
1279        { .compatible = "qcom,pm8916-wcd-analog-codec", },
1280        { }
1281};
1282
1283MODULE_DEVICE_TABLE(of, pm8916_wcd_analog_spmi_match_table);
1284
1285static struct platform_driver pm8916_wcd_analog_spmi_driver = {
1286        .driver = {
1287                   .name = "qcom,pm8916-wcd-spmi-codec",
1288                   .of_match_table = pm8916_wcd_analog_spmi_match_table,
1289        },
1290        .probe = pm8916_wcd_analog_spmi_probe,
1291        .remove = pm8916_wcd_analog_spmi_remove,
1292};
1293
1294module_platform_driver(pm8916_wcd_analog_spmi_driver);
1295
1296MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
1297MODULE_DESCRIPTION("PMIC PM8916 WCD Analog Codec driver");
1298MODULE_LICENSE("GPL v2");
1299