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                (0x015)
  23#define CDC_D_INT_EN_CLR                (0x016)
  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
 232#define CDC_A_SPKR_DAC_CTL              (0xf1B0)
 233#define SPKR_DAC_CTL_DAC_RESET_MASK     BIT(4)
 234#define SPKR_DAC_CTL_DAC_RESET_NORMAL   0
 235
 236#define CDC_A_SPKR_DRV_CTL              (0xf1B2)
 237#define SPKR_DRV_CTL_DEF_MASK           0xEF
 238#define SPKR_DRV_CLASSD_PA_EN_MASK      BIT(7)
 239#define SPKR_DRV_CLASSD_PA_EN_ENABLE    BIT(7)
 240#define SPKR_DRV_CAL_EN                 BIT(6)
 241#define SPKR_DRV_SETTLE_EN              BIT(5)
 242#define SPKR_DRV_FW_EN                  BIT(3)
 243#define SPKR_DRV_BOOST_SET              BIT(2)
 244#define SPKR_DRV_CMFB_SET               BIT(1)
 245#define SPKR_DRV_GAIN_SET               BIT(0)
 246#define SPKR_DRV_CTL_DEF_VAL (SPKR_DRV_CLASSD_PA_EN_ENABLE | \
 247                SPKR_DRV_CAL_EN | SPKR_DRV_SETTLE_EN | \
 248                SPKR_DRV_FW_EN | SPKR_DRV_BOOST_SET | \
 249                SPKR_DRV_CMFB_SET | SPKR_DRV_GAIN_SET)
 250#define CDC_A_SPKR_OCP_CTL              (0xf1B4)
 251#define CDC_A_SPKR_PWRSTG_CTL           (0xf1B5)
 252#define SPKR_PWRSTG_CTL_DAC_EN_MASK     BIT(0)
 253#define SPKR_PWRSTG_CTL_DAC_EN          BIT(0)
 254#define SPKR_PWRSTG_CTL_MASK            0xE0
 255#define SPKR_PWRSTG_CTL_BBM_MASK        BIT(7)
 256#define SPKR_PWRSTG_CTL_BBM_EN          BIT(7)
 257#define SPKR_PWRSTG_CTL_HBRDGE_EN_MASK  BIT(6)
 258#define SPKR_PWRSTG_CTL_HBRDGE_EN       BIT(6)
 259#define SPKR_PWRSTG_CTL_CLAMP_EN_MASK   BIT(5)
 260#define SPKR_PWRSTG_CTL_CLAMP_EN        BIT(5)
 261
 262#define CDC_A_SPKR_DRV_DBG              (0xf1B7)
 263#define CDC_A_CURRENT_LIMIT             (0xf1C0)
 264#define CDC_A_BOOST_EN_CTL              (0xf1C3)
 265#define CDC_A_SLOPE_COMP_IP_ZERO        (0xf1C4)
 266#define CDC_A_SEC_ACCESS                (0xf1D0)
 267#define CDC_A_PERPH_RESET_CTL3          (0xf1DA)
 268#define CDC_A_PERPH_RESET_CTL4          (0xf1DB)
 269
 270#define MSM8916_WCD_ANALOG_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
 271                        SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
 272#define MSM8916_WCD_ANALOG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
 273                                    SNDRV_PCM_FMTBIT_S32_LE)
 274
 275static int btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 276               SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_BTN_4;
 277static int hs_jack_mask = SND_JACK_HEADPHONE | SND_JACK_HEADSET;
 278
 279static const char * const supply_names[] = {
 280        "vdd-cdc-io",
 281        "vdd-cdc-tx-rx-cx",
 282};
 283
 284#define MBHC_MAX_BUTTONS        (5)
 285
 286struct pm8916_wcd_analog_priv {
 287        u16 pmic_rev;
 288        u16 codec_version;
 289        bool    mbhc_btn_enabled;
 290        /* special event to detect accessory type */
 291        int     mbhc_btn0_released;
 292        bool    detect_accessory_type;
 293        struct clk *mclk;
 294        struct snd_soc_component *component;
 295        struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
 296        struct snd_soc_jack *jack;
 297        bool hphl_jack_type_normally_open;
 298        bool gnd_jack_type_normally_open;
 299        /* Voltage threshold when internal current source of 100uA is used */
 300        u32 vref_btn_cs[MBHC_MAX_BUTTONS];
 301        /* Voltage threshold when microphone bias is ON */
 302        u32 vref_btn_micb[MBHC_MAX_BUTTONS];
 303        unsigned int micbias1_cap_mode;
 304        unsigned int micbias2_cap_mode;
 305        unsigned int micbias_mv;
 306};
 307
 308static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
 309static const char *const rdac2_mux_text[] = { "RX1", "RX2" };
 310static const char *const hph_text[] = { "ZERO", "Switch", };
 311
 312static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT(
 313                                        ARRAY_SIZE(hph_text), hph_text);
 314
 315static const struct snd_kcontrol_new hphl_mux = SOC_DAPM_ENUM("HPHL", hph_enum);
 316static const struct snd_kcontrol_new hphr_mux = SOC_DAPM_ENUM("HPHR", hph_enum);
 317
 318/* ADC2 MUX */
 319static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT(
 320                        ARRAY_SIZE(adc2_mux_text), adc2_mux_text);
 321
 322/* RDAC2 MUX */
 323static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE(
 324                        CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 2, rdac2_mux_text);
 325
 326static const struct snd_kcontrol_new spkr_switch[] = {
 327        SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0)
 328};
 329
 330static const struct snd_kcontrol_new rdac2_mux = SOC_DAPM_ENUM(
 331                                        "RDAC2 MUX Mux", rdac2_mux_enum);
 332static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM(
 333                                        "ADC2 MUX Mux", adc2_enum);
 334
 335/* Analog Gain control 0 dB to +24 dB in 6 dB steps */
 336static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 600, 0);
 337
 338static const struct snd_kcontrol_new pm8916_wcd_analog_snd_controls[] = {
 339        SOC_SINGLE_TLV("ADC1 Volume", CDC_A_TX_1_EN, 3, 8, 0, analog_gain),
 340        SOC_SINGLE_TLV("ADC2 Volume", CDC_A_TX_2_EN, 3, 8, 0, analog_gain),
 341        SOC_SINGLE_TLV("ADC3 Volume", CDC_A_TX_3_EN, 3, 8, 0, analog_gain),
 342};
 343
 344static void pm8916_wcd_analog_micbias_enable(struct snd_soc_component *component)
 345{
 346        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 347
 348        snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
 349                            MICB_1_CTL_EXT_PRECHARG_EN_MASK |
 350                            MICB_1_CTL_INT_PRECHARG_BYP_MASK,
 351                            MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL
 352                            | MICB_1_CTL_EXT_PRECHARG_EN_ENABLE);
 353
 354        if (wcd->micbias_mv) {
 355                snd_soc_component_update_bits(component, CDC_A_MICB_1_VAL,
 356                                    MICB_1_VAL_MICB_OUT_VAL_MASK,
 357                                    MICB_VOLTAGE_REGVAL(wcd->micbias_mv));
 358                /*
 359                 * Special headset needs MICBIAS as 2.7V so wait for
 360                 * 50 msec for the MICBIAS to reach 2.7 volts.
 361                 */
 362                if (wcd->micbias_mv >= 2700)
 363                        msleep(50);
 364        }
 365
 366        snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
 367                            MICB_1_CTL_EXT_PRECHARG_EN_MASK |
 368                            MICB_1_CTL_INT_PRECHARG_BYP_MASK, 0);
 369
 370}
 371
 372static int pm8916_wcd_analog_enable_micbias_ext(struct snd_soc_component
 373                                                 *component, int event,
 374                                                 int reg, unsigned int cap_mode)
 375{
 376        switch (event) {
 377        case SND_SOC_DAPM_POST_PMU:
 378                pm8916_wcd_analog_micbias_enable(component);
 379                snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
 380                                    MICB_1_EN_BYP_CAP_MASK, cap_mode);
 381                break;
 382        }
 383
 384        return 0;
 385}
 386
 387static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_component
 388                                                 *component, int event,
 389                                                 int reg, u32 cap_mode)
 390{
 391
 392        switch (event) {
 393        case SND_SOC_DAPM_PRE_PMU:
 394                snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS,
 395                                    MICB_1_INT_TX2_INT_RBIAS_EN_MASK,
 396                                    MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE);
 397                snd_soc_component_update_bits(component, reg, MICB_1_EN_PULL_DOWN_EN_MASK, 0);
 398                snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
 399                                    MICB_1_EN_OPA_STG2_TAIL_CURR_MASK,
 400                                    MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA);
 401
 402                break;
 403        case SND_SOC_DAPM_POST_PMU:
 404                pm8916_wcd_analog_micbias_enable(component);
 405                snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
 406                                    MICB_1_EN_BYP_CAP_MASK, cap_mode);
 407                break;
 408        }
 409
 410        return 0;
 411}
 412
 413static int pm8916_wcd_analog_enable_micbias_ext1(struct
 414                                                  snd_soc_dapm_widget
 415                                                  *w, struct snd_kcontrol
 416                                                  *kcontrol, int event)
 417{
 418        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 419        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 420
 421        return pm8916_wcd_analog_enable_micbias_ext(component, event, w->reg,
 422                                                     wcd->micbias1_cap_mode);
 423}
 424
 425static int pm8916_wcd_analog_enable_micbias_ext2(struct
 426                                                  snd_soc_dapm_widget
 427                                                  *w, struct snd_kcontrol
 428                                                  *kcontrol, int event)
 429{
 430        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 431        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 432
 433        return pm8916_wcd_analog_enable_micbias_ext(component, event, w->reg,
 434                                                     wcd->micbias2_cap_mode);
 435
 436}
 437
 438static int pm8916_wcd_analog_enable_micbias_int1(struct
 439                                                  snd_soc_dapm_widget
 440                                                  *w, struct snd_kcontrol
 441                                                  *kcontrol, int event)
 442{
 443        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 444        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 445
 446        return pm8916_wcd_analog_enable_micbias_int(component, event, w->reg,
 447                                                     wcd->micbias1_cap_mode);
 448}
 449
 450static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv,
 451                                      bool micbias2_enabled)
 452{
 453        struct snd_soc_component *component = priv->component;
 454        u32 coarse, fine, reg_val, reg_addr;
 455        int *vrefs, i;
 456
 457        if (!micbias2_enabled) { /* use internal 100uA Current source */
 458                /* Enable internal 2.2k Internal Rbias Resistor */
 459                snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS,
 460                                    MICB_1_INT_TX2_INT_RBIAS_EN_MASK,
 461                                    MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE);
 462                /* Remove pull down on MIC BIAS2 */
 463                snd_soc_component_update_bits(component, CDC_A_MICB_2_EN,
 464                                   CDC_A_MICB_2_PULL_DOWN_EN_MASK,
 465                                   0);
 466                /* enable 100uA internal current source */
 467                snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL,
 468                                    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK,
 469                                    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA);
 470        }
 471        snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL,
 472                        CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK,
 473                        CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN);
 474
 475        if (micbias2_enabled)
 476                vrefs = &priv->vref_btn_micb[0];
 477        else
 478                vrefs = &priv->vref_btn_cs[0];
 479
 480        /* program vref ranges for all the buttons */
 481        reg_addr = CDC_A_MBHC_BTN0_ZDET_CTL_0;
 482        for (i = 0; i <  MBHC_MAX_BUTTONS; i++) {
 483                /* split mv in to coarse parts of 100mv & fine parts of 12mv */
 484                coarse = (vrefs[i] / 100);
 485                fine = ((vrefs[i] % 100) / 12);
 486                reg_val = (coarse << CDC_A_MBHC_BTN_VREF_COARSE_SHIFT) |
 487                         (fine << CDC_A_MBHC_BTN_VREF_FINE_SHIFT);
 488                snd_soc_component_update_bits(component, reg_addr,
 489                               CDC_A_MBHC_BTN_VREF_MASK,
 490                               reg_val);
 491                reg_addr++;
 492        }
 493
 494        return 0;
 495}
 496
 497static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd)
 498{
 499        struct snd_soc_component *component = wcd->component;
 500        bool micbias_enabled = false;
 501        u32 plug_type = 0;
 502        u32 int_en_mask;
 503
 504        snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_1,
 505                      CDC_A_MBHC_DET_CTL_L_DET_EN |
 506                      CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION |
 507                      CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO |
 508                      CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN);
 509
 510        if (wcd->hphl_jack_type_normally_open)
 511                plug_type |= CDC_A_HPHL_PLUG_TYPE_NO;
 512
 513        if (wcd->gnd_jack_type_normally_open)
 514                plug_type |= CDC_A_GND_PLUG_TYPE_NO;
 515
 516        snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_2,
 517                      CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 |
 518                      CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD |
 519                      plug_type |
 520                      CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN);
 521
 522
 523        snd_soc_component_write(component, CDC_A_MBHC_DBNC_TIMER,
 524                      CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS |
 525                      CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS);
 526
 527        /* enable MBHC clock */
 528        snd_soc_component_update_bits(component, CDC_D_CDC_DIG_CLK_CTL,
 529                            DIG_CLK_CTL_D_MBHC_CLK_EN_MASK,
 530                            DIG_CLK_CTL_D_MBHC_CLK_EN);
 531
 532        if (snd_soc_component_read32(component, CDC_A_MICB_2_EN) & CDC_A_MICB_2_EN_ENABLE)
 533                micbias_enabled = true;
 534
 535        pm8916_mbhc_configure_bias(wcd, micbias_enabled);
 536
 537        int_en_mask = MBHC_SWITCH_INT;
 538        if (wcd->mbhc_btn_enabled)
 539                int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET;
 540
 541        snd_soc_component_update_bits(component, CDC_D_INT_EN_CLR, int_en_mask, 0);
 542        snd_soc_component_update_bits(component, CDC_D_INT_EN_SET, int_en_mask, int_en_mask);
 543        wcd->mbhc_btn0_released = false;
 544        wcd->detect_accessory_type = true;
 545}
 546
 547static int pm8916_wcd_analog_enable_micbias_int2(struct
 548                                                  snd_soc_dapm_widget
 549                                                  *w, struct snd_kcontrol
 550                                                  *kcontrol, int event)
 551{
 552        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 553        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 554
 555        switch (event) {
 556        case SND_SOC_DAPM_POST_PMU:
 557                pm8916_mbhc_configure_bias(wcd, true);
 558                break;
 559        case SND_SOC_DAPM_POST_PMD:
 560                pm8916_mbhc_configure_bias(wcd, false);
 561                break;
 562        }
 563
 564        return pm8916_wcd_analog_enable_micbias_int(component, event, w->reg,
 565                                                     wcd->micbias2_cap_mode);
 566}
 567
 568static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w,
 569                                         struct snd_kcontrol *kcontrol,
 570                                         int event)
 571{
 572        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 573        u16 adc_reg = CDC_A_TX_1_2_TEST_CTL_2;
 574        u8 init_bit_shift;
 575
 576        if (w->reg == CDC_A_TX_1_EN)
 577                init_bit_shift = 5;
 578        else
 579                init_bit_shift = 4;
 580
 581        switch (event) {
 582        case SND_SOC_DAPM_PRE_PMU:
 583                if (w->reg == CDC_A_TX_2_EN)
 584                        snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
 585                                            MICB_1_CTL_CFILT_REF_SEL_MASK,
 586                                            MICB_1_CTL_CFILT_REF_SEL_HPF_REF);
 587                /*
 588                 * Add delay of 10 ms to give sufficient time for the voltage
 589                 * to shoot up and settle so that the txfe init does not
 590                 * happen when the input voltage is changing too much.
 591                 */
 592                usleep_range(10000, 10010);
 593                snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift,
 594                                    1 << init_bit_shift);
 595                switch (w->reg) {
 596                case CDC_A_TX_1_EN:
 597                        snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL,
 598                                            CONN_TX1_SERIAL_TX1_MUX,
 599                                            CONN_TX1_SERIAL_TX1_ADC_1);
 600                        break;
 601                case CDC_A_TX_2_EN:
 602                case CDC_A_TX_3_EN:
 603                        snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL,
 604                                            CONN_TX2_SERIAL_TX2_MUX,
 605                                            CONN_TX2_SERIAL_TX2_ADC_2);
 606                        break;
 607                }
 608                break;
 609        case SND_SOC_DAPM_POST_PMU:
 610                /*
 611                 * Add delay of 12 ms before deasserting the init
 612                 * to reduce the tx pop
 613                 */
 614                usleep_range(12000, 12010);
 615                snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift, 0x00);
 616                break;
 617        case SND_SOC_DAPM_POST_PMD:
 618                switch (w->reg) {
 619                case CDC_A_TX_1_EN:
 620                        snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL,
 621                                            CONN_TX1_SERIAL_TX1_MUX,
 622                                            CONN_TX1_SERIAL_TX1_ZERO);
 623                        break;
 624                case CDC_A_TX_2_EN:
 625                        snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
 626                                            MICB_1_CTL_CFILT_REF_SEL_MASK, 0);
 627                        /* fall through */
 628                case CDC_A_TX_3_EN:
 629                        snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL,
 630                                            CONN_TX2_SERIAL_TX2_MUX,
 631                                            CONN_TX2_SERIAL_TX2_ZERO);
 632                        break;
 633                }
 634
 635
 636                break;
 637        }
 638        return 0;
 639}
 640
 641static int pm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w,
 642                                            struct snd_kcontrol *kcontrol,
 643                                            int event)
 644{
 645        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 646
 647        switch (event) {
 648        case SND_SOC_DAPM_PRE_PMU:
 649                snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL,
 650                                    SPKR_PWRSTG_CTL_DAC_EN_MASK |
 651                                    SPKR_PWRSTG_CTL_BBM_MASK |
 652                                    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
 653                                    SPKR_PWRSTG_CTL_CLAMP_EN_MASK,
 654                                    SPKR_PWRSTG_CTL_DAC_EN|
 655                                    SPKR_PWRSTG_CTL_BBM_EN |
 656                                    SPKR_PWRSTG_CTL_HBRDGE_EN |
 657                                    SPKR_PWRSTG_CTL_CLAMP_EN);
 658
 659                snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
 660                                    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK,
 661                                    RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE);
 662                break;
 663        case SND_SOC_DAPM_POST_PMU:
 664                snd_soc_component_update_bits(component, CDC_A_SPKR_DRV_CTL,
 665                                    SPKR_DRV_CTL_DEF_MASK,
 666                                    SPKR_DRV_CTL_DEF_VAL);
 667                snd_soc_component_update_bits(component, w->reg,
 668                                    SPKR_DRV_CLASSD_PA_EN_MASK,
 669                                    SPKR_DRV_CLASSD_PA_EN_ENABLE);
 670                break;
 671        case SND_SOC_DAPM_POST_PMD:
 672                snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL,
 673                                    SPKR_PWRSTG_CTL_DAC_EN_MASK|
 674                                    SPKR_PWRSTG_CTL_BBM_MASK |
 675                                    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
 676                                    SPKR_PWRSTG_CTL_CLAMP_EN_MASK, 0);
 677
 678                snd_soc_component_update_bits(component, CDC_A_SPKR_DAC_CTL,
 679                                    SPKR_DAC_CTL_DAC_RESET_MASK,
 680                                    SPKR_DAC_CTL_DAC_RESET_NORMAL);
 681                snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
 682                                    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, 0);
 683                break;
 684        }
 685        return 0;
 686}
 687
 688static const struct reg_default wcd_reg_defaults_2_0[] = {
 689        {CDC_A_RX_COM_OCP_CTL, 0xD1},
 690        {CDC_A_RX_COM_OCP_COUNT, 0xFF},
 691        {CDC_D_SEC_ACCESS, 0xA5},
 692        {CDC_D_PERPH_RESET_CTL3, 0x0F},
 693        {CDC_A_TX_1_2_OPAMP_BIAS, 0x4F},
 694        {CDC_A_NCP_FBCTRL, 0x28},
 695        {CDC_A_SPKR_DRV_CTL, 0x69},
 696        {CDC_A_SPKR_DRV_DBG, 0x01},
 697        {CDC_A_BOOST_EN_CTL, 0x5F},
 698        {CDC_A_SLOPE_COMP_IP_ZERO, 0x88},
 699        {CDC_A_SEC_ACCESS, 0xA5},
 700        {CDC_A_PERPH_RESET_CTL3, 0x0F},
 701        {CDC_A_CURRENT_LIMIT, 0x82},
 702        {CDC_A_SPKR_DAC_CTL, 0x03},
 703        {CDC_A_SPKR_OCP_CTL, 0xE1},
 704        {CDC_A_MASTER_BIAS_CTL, 0x30},
 705};
 706
 707static int pm8916_wcd_analog_probe(struct snd_soc_component *component)
 708{
 709        struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev);
 710        int err, reg;
 711
 712        err = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
 713        if (err != 0) {
 714                dev_err(component->dev, "failed to enable regulators (%d)\n", err);
 715                return err;
 716        }
 717
 718        snd_soc_component_init_regmap(component,
 719                                  dev_get_regmap(component->dev->parent, NULL));
 720        snd_soc_component_set_drvdata(component, priv);
 721        priv->pmic_rev = snd_soc_component_read32(component, CDC_D_REVISION1);
 722        priv->codec_version = snd_soc_component_read32(component, CDC_D_PERPH_SUBTYPE);
 723
 724        dev_info(component->dev, "PMIC REV: %d\t CODEC Version: %d\n",
 725                 priv->pmic_rev, priv->codec_version);
 726
 727        snd_soc_component_write(component, CDC_D_PERPH_RESET_CTL4, 0x01);
 728        snd_soc_component_write(component, CDC_A_PERPH_RESET_CTL4, 0x01);
 729
 730        for (reg = 0; reg < ARRAY_SIZE(wcd_reg_defaults_2_0); reg++)
 731                snd_soc_component_write(component, wcd_reg_defaults_2_0[reg].reg,
 732                              wcd_reg_defaults_2_0[reg].def);
 733
 734        priv->component = component;
 735
 736        snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL,
 737                            RST_CTL_DIG_SW_RST_N_MASK,
 738                            RST_CTL_DIG_SW_RST_N_REMOVE_RESET);
 739
 740        pm8916_wcd_setup_mbhc(priv);
 741
 742        return 0;
 743}
 744
 745static void pm8916_wcd_analog_remove(struct snd_soc_component *component)
 746{
 747        struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev);
 748
 749        snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL,
 750                            RST_CTL_DIG_SW_RST_N_MASK, 0);
 751
 752        regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
 753                                      priv->supplies);
 754}
 755
 756static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = {
 757
 758        {"PDM_RX1", NULL, "PDM Playback"},
 759        {"PDM_RX2", NULL, "PDM Playback"},
 760        {"PDM_RX3", NULL, "PDM Playback"},
 761        {"PDM Capture", NULL, "PDM_TX"},
 762
 763        /* ADC Connections */
 764        {"PDM_TX", NULL, "ADC2"},
 765        {"PDM_TX", NULL, "ADC3"},
 766        {"ADC2", NULL, "ADC2 MUX"},
 767        {"ADC3", NULL, "ADC2 MUX"},
 768        {"ADC2 MUX", "INP2", "ADC2_INP2"},
 769        {"ADC2 MUX", "INP3", "ADC2_INP3"},
 770
 771        {"PDM_TX", NULL, "ADC1"},
 772        {"ADC1", NULL, "AMIC1"},
 773        {"ADC2_INP2", NULL, "AMIC2"},
 774        {"ADC2_INP3", NULL, "AMIC3"},
 775
 776        /* RDAC Connections */
 777        {"HPHR DAC", NULL, "RDAC2 MUX"},
 778        {"RDAC2 MUX", "RX1", "PDM_RX1"},
 779        {"RDAC2 MUX", "RX2", "PDM_RX2"},
 780        {"HPHL DAC", NULL, "PDM_RX1"},
 781        {"PDM_RX1", NULL, "RXD1_CLK"},
 782        {"PDM_RX2", NULL, "RXD2_CLK"},
 783        {"PDM_RX3", NULL, "RXD3_CLK"},
 784
 785        {"PDM_RX1", NULL, "RXD_PDM_CLK"},
 786        {"PDM_RX2", NULL, "RXD_PDM_CLK"},
 787        {"PDM_RX3", NULL, "RXD_PDM_CLK"},
 788
 789        {"ADC1", NULL, "TXD_CLK"},
 790        {"ADC2", NULL, "TXD_CLK"},
 791        {"ADC3", NULL, "TXD_CLK"},
 792
 793        {"ADC1", NULL, "TXA_CLK25"},
 794        {"ADC2", NULL, "TXA_CLK25"},
 795        {"ADC3", NULL, "TXA_CLK25"},
 796
 797        {"PDM_RX1", NULL, "A_MCLK2"},
 798        {"PDM_RX2", NULL, "A_MCLK2"},
 799        {"PDM_RX3", NULL, "A_MCLK2"},
 800
 801        {"PDM_TX", NULL, "A_MCLK2"},
 802        {"A_MCLK2", NULL, "A_MCLK"},
 803
 804        /* Headset (RX MIX1 and RX MIX2) */
 805        {"HEADPHONE", NULL, "HPHL PA"},
 806        {"HEADPHONE", NULL, "HPHR PA"},
 807
 808        {"HPHL PA", NULL, "EAR_HPHL_CLK"},
 809        {"HPHR PA", NULL, "EAR_HPHR_CLK"},
 810
 811        {"CP", NULL, "NCP_CLK"},
 812
 813        {"HPHL PA", NULL, "HPHL"},
 814        {"HPHR PA", NULL, "HPHR"},
 815        {"HPHL PA", NULL, "CP"},
 816        {"HPHL PA", NULL, "RX_BIAS"},
 817        {"HPHR PA", NULL, "CP"},
 818        {"HPHR PA", NULL, "RX_BIAS"},
 819        {"HPHL", "Switch", "HPHL DAC"},
 820        {"HPHR", "Switch", "HPHR DAC"},
 821
 822        {"RX_BIAS", NULL, "DAC_REF"},
 823
 824        {"SPK_OUT", NULL, "SPK PA"},
 825        {"SPK PA", NULL, "RX_BIAS"},
 826        {"SPK PA", NULL, "SPKR_CLK"},
 827        {"SPK PA", NULL, "SPK DAC"},
 828        {"SPK DAC", "Switch", "PDM_RX3"},
 829
 830        {"MIC BIAS Internal1", NULL, "INT_LDO_H"},
 831        {"MIC BIAS Internal2", NULL, "INT_LDO_H"},
 832        {"MIC BIAS External1", NULL, "INT_LDO_H"},
 833        {"MIC BIAS External2", NULL, "INT_LDO_H"},
 834        {"MIC BIAS Internal1", NULL, "vdd-micbias"},
 835        {"MIC BIAS Internal2", NULL, "vdd-micbias"},
 836        {"MIC BIAS External1", NULL, "vdd-micbias"},
 837        {"MIC BIAS External2", NULL, "vdd-micbias"},
 838};
 839
 840static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = {
 841
 842        SND_SOC_DAPM_AIF_IN("PDM_RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
 843        SND_SOC_DAPM_AIF_IN("PDM_RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
 844        SND_SOC_DAPM_AIF_IN("PDM_RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
 845        SND_SOC_DAPM_AIF_OUT("PDM_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
 846
 847        SND_SOC_DAPM_INPUT("AMIC1"),
 848        SND_SOC_DAPM_INPUT("AMIC3"),
 849        SND_SOC_DAPM_INPUT("AMIC2"),
 850        SND_SOC_DAPM_OUTPUT("HEADPHONE"),
 851
 852        /* RX stuff */
 853        SND_SOC_DAPM_SUPPLY("INT_LDO_H", SND_SOC_NOPM, 1, 0, NULL, 0),
 854
 855        SND_SOC_DAPM_PGA("HPHL PA", CDC_A_RX_HPH_CNP_EN, 5, 0, NULL, 0),
 856        SND_SOC_DAPM_MUX("HPHL", SND_SOC_NOPM, 0, 0, &hphl_mux),
 857        SND_SOC_DAPM_MIXER("HPHL DAC", CDC_A_RX_HPH_L_PA_DAC_CTL, 3, 0, NULL,
 858                           0),
 859        SND_SOC_DAPM_PGA("HPHR PA", CDC_A_RX_HPH_CNP_EN, 4, 0, NULL, 0),
 860        SND_SOC_DAPM_MUX("HPHR", SND_SOC_NOPM, 0, 0, &hphr_mux),
 861        SND_SOC_DAPM_MIXER("HPHR DAC", CDC_A_RX_HPH_R_PA_DAC_CTL, 3, 0, NULL,
 862                           0),
 863        SND_SOC_DAPM_MIXER("SPK DAC", SND_SOC_NOPM, 0, 0,
 864                           spkr_switch, ARRAY_SIZE(spkr_switch)),
 865
 866        /* Speaker */
 867        SND_SOC_DAPM_OUTPUT("SPK_OUT"),
 868        SND_SOC_DAPM_PGA_E("SPK PA", CDC_A_SPKR_DRV_CTL,
 869                           6, 0, NULL, 0,
 870                           pm8916_wcd_analog_enable_spk_pa,
 871                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 872                           SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
 873        SND_SOC_DAPM_REGULATOR_SUPPLY("vdd-micbias", 0, 0),
 874        SND_SOC_DAPM_SUPPLY("CP", CDC_A_NCP_EN, 0, 0, NULL, 0),
 875
 876        SND_SOC_DAPM_SUPPLY("DAC_REF", CDC_A_RX_COM_BIAS_DAC, 0, 0, NULL, 0),
 877        SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0),
 878
 879        /* TX */
 880        SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_EN, 7, 0,
 881                            pm8916_wcd_analog_enable_micbias_int1,
 882                            SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 883                            SND_SOC_DAPM_POST_PMD),
 884        SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_2_EN, 7, 0,
 885                            pm8916_wcd_analog_enable_micbias_int2,
 886                            SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 887                            SND_SOC_DAPM_POST_PMD),
 888
 889        SND_SOC_DAPM_SUPPLY("MIC BIAS External1", CDC_A_MICB_1_EN, 7, 0,
 890                            pm8916_wcd_analog_enable_micbias_ext1,
 891                            SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 892        SND_SOC_DAPM_SUPPLY("MIC BIAS External2", CDC_A_MICB_2_EN, 7, 0,
 893                            pm8916_wcd_analog_enable_micbias_ext2,
 894                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 895
 896        SND_SOC_DAPM_ADC_E("ADC1", NULL, CDC_A_TX_1_EN, 7, 0,
 897                           pm8916_wcd_analog_enable_adc,
 898                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 899                           SND_SOC_DAPM_POST_PMD),
 900        SND_SOC_DAPM_ADC_E("ADC2_INP2", NULL, CDC_A_TX_2_EN, 7, 0,
 901                           pm8916_wcd_analog_enable_adc,
 902                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 903                           SND_SOC_DAPM_POST_PMD),
 904        SND_SOC_DAPM_ADC_E("ADC2_INP3", NULL, CDC_A_TX_3_EN, 7, 0,
 905                           pm8916_wcd_analog_enable_adc,
 906                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 907                           SND_SOC_DAPM_POST_PMD),
 908
 909        SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0),
 910        SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0),
 911
 912        SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
 913        SND_SOC_DAPM_MUX("RDAC2 MUX", SND_SOC_NOPM, 0, 0, &rdac2_mux),
 914
 915        /* Analog path clocks */
 916        SND_SOC_DAPM_SUPPLY("EAR_HPHR_CLK", CDC_D_CDC_ANA_CLK_CTL, 0, 0, NULL,
 917                            0),
 918        SND_SOC_DAPM_SUPPLY("EAR_HPHL_CLK", CDC_D_CDC_ANA_CLK_CTL, 1, 0, NULL,
 919                            0),
 920        SND_SOC_DAPM_SUPPLY("SPKR_CLK", CDC_D_CDC_ANA_CLK_CTL, 4, 0, NULL, 0),
 921        SND_SOC_DAPM_SUPPLY("TXA_CLK25", CDC_D_CDC_ANA_CLK_CTL, 5, 0, NULL, 0),
 922
 923        /* Digital path clocks */
 924
 925        SND_SOC_DAPM_SUPPLY("RXD1_CLK", CDC_D_CDC_DIG_CLK_CTL, 0, 0, NULL, 0),
 926        SND_SOC_DAPM_SUPPLY("RXD2_CLK", CDC_D_CDC_DIG_CLK_CTL, 1, 0, NULL, 0),
 927        SND_SOC_DAPM_SUPPLY("RXD3_CLK", CDC_D_CDC_DIG_CLK_CTL, 2, 0, NULL, 0),
 928
 929        SND_SOC_DAPM_SUPPLY("TXD_CLK", CDC_D_CDC_DIG_CLK_CTL, 4, 0, NULL, 0),
 930        SND_SOC_DAPM_SUPPLY("NCP_CLK", CDC_D_CDC_DIG_CLK_CTL, 6, 0, NULL, 0),
 931        SND_SOC_DAPM_SUPPLY("RXD_PDM_CLK", CDC_D_CDC_DIG_CLK_CTL, 7, 0, NULL,
 932                            0),
 933
 934        /* System Clock source */
 935        SND_SOC_DAPM_SUPPLY("A_MCLK", CDC_D_CDC_TOP_CLK_CTL, 2, 0, NULL, 0),
 936        /* TX ADC and RX DAC Clock source. */
 937        SND_SOC_DAPM_SUPPLY("A_MCLK2", CDC_D_CDC_TOP_CLK_CTL, 3, 0, NULL, 0),
 938};
 939
 940static int pm8916_wcd_analog_set_jack(struct snd_soc_component *component,
 941                                      struct snd_soc_jack *jack,
 942                                      void *data)
 943{
 944        struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
 945
 946        wcd->jack = jack;
 947
 948        return 0;
 949}
 950
 951static irqreturn_t mbhc_btn_release_irq_handler(int irq, void *arg)
 952{
 953        struct pm8916_wcd_analog_priv *priv = arg;
 954
 955        if (priv->detect_accessory_type) {
 956                struct snd_soc_component *component = priv->component;
 957                u32 val = snd_soc_component_read32(component, CDC_A_MBHC_RESULT_1);
 958
 959                /* check if its BTN0 thats released */
 960                if ((val != -1) && !(val & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK))
 961                        priv->mbhc_btn0_released = true;
 962
 963        } else {
 964                snd_soc_jack_report(priv->jack, 0, btn_mask);
 965        }
 966
 967        return IRQ_HANDLED;
 968}
 969
 970static irqreturn_t mbhc_btn_press_irq_handler(int irq, void *arg)
 971{
 972        struct pm8916_wcd_analog_priv *priv = arg;
 973        struct snd_soc_component *component = priv->component;
 974        u32 btn_result;
 975
 976        btn_result = snd_soc_component_read32(component, CDC_A_MBHC_RESULT_1) &
 977                                  CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK;
 978
 979        switch (btn_result) {
 980        case 0xf:
 981                snd_soc_jack_report(priv->jack, SND_JACK_BTN_4, btn_mask);
 982                break;
 983        case 0x7:
 984                snd_soc_jack_report(priv->jack, SND_JACK_BTN_3, btn_mask);
 985                break;
 986        case 0x3:
 987                snd_soc_jack_report(priv->jack, SND_JACK_BTN_2, btn_mask);
 988                break;
 989        case 0x1:
 990                snd_soc_jack_report(priv->jack, SND_JACK_BTN_1, btn_mask);
 991                break;
 992        case 0x0:
 993                /* handle BTN_0 specially for type detection */
 994                if (!priv->detect_accessory_type)
 995                        snd_soc_jack_report(priv->jack,
 996                                            SND_JACK_BTN_0, btn_mask);
 997                break;
 998        default:
 999                dev_err(component->dev,
1000                        "Unexpected button press result (%x)", btn_result);
1001                break;
1002        }
1003
1004        return IRQ_HANDLED;
1005}
1006
1007static irqreturn_t pm8916_mbhc_switch_irq_handler(int irq, void *arg)
1008{
1009        struct pm8916_wcd_analog_priv *priv = arg;
1010        struct snd_soc_component *component = priv->component;
1011        bool ins = false;
1012
1013        if (snd_soc_component_read32(component, CDC_A_MBHC_DET_CTL_1) &
1014                                CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK)
1015                ins = true;
1016
1017        /* Set the detection type appropriately */
1018        snd_soc_component_update_bits(component, CDC_A_MBHC_DET_CTL_1,
1019                            CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK,
1020                            (!ins << CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT));
1021
1022
1023        if (ins) { /* hs insertion */
1024                bool micbias_enabled = false;
1025
1026                if (snd_soc_component_read32(component, CDC_A_MICB_2_EN) &
1027                                CDC_A_MICB_2_EN_ENABLE)
1028                        micbias_enabled = true;
1029
1030                pm8916_mbhc_configure_bias(priv, micbias_enabled);
1031
1032                /*
1033                 * if only a btn0 press event is receive just before
1034                 * insert event then its a 3 pole headphone else if
1035                 * both press and release event received then its
1036                 * a headset.
1037                 */
1038                if (priv->mbhc_btn0_released)
1039                        snd_soc_jack_report(priv->jack,
1040                                            SND_JACK_HEADSET, hs_jack_mask);
1041                else
1042                        snd_soc_jack_report(priv->jack,
1043                                            SND_JACK_HEADPHONE, hs_jack_mask);
1044
1045                priv->detect_accessory_type = false;
1046
1047        } else { /* removal */
1048                snd_soc_jack_report(priv->jack, 0, hs_jack_mask);
1049                priv->detect_accessory_type = true;
1050                priv->mbhc_btn0_released = false;
1051        }
1052
1053        return IRQ_HANDLED;
1054}
1055
1056static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = {
1057        [0] = {
1058               .name = "pm8916_wcd_analog_pdm_rx",
1059               .id = 0,
1060               .playback = {
1061                            .stream_name = "PDM Playback",
1062                            .rates = MSM8916_WCD_ANALOG_RATES,
1063                            .formats = MSM8916_WCD_ANALOG_FORMATS,
1064                            .channels_min = 1,
1065                            .channels_max = 3,
1066                            },
1067               },
1068        [1] = {
1069               .name = "pm8916_wcd_analog_pdm_tx",
1070               .id = 1,
1071               .capture = {
1072                           .stream_name = "PDM Capture",
1073                           .rates = MSM8916_WCD_ANALOG_RATES,
1074                           .formats = MSM8916_WCD_ANALOG_FORMATS,
1075                           .channels_min = 1,
1076                           .channels_max = 4,
1077                           },
1078               },
1079};
1080
1081static const struct snd_soc_component_driver pm8916_wcd_analog = {
1082        .probe                  = pm8916_wcd_analog_probe,
1083        .remove                 = pm8916_wcd_analog_remove,
1084        .set_jack               = pm8916_wcd_analog_set_jack,
1085        .controls               = pm8916_wcd_analog_snd_controls,
1086        .num_controls           = ARRAY_SIZE(pm8916_wcd_analog_snd_controls),
1087        .dapm_widgets           = pm8916_wcd_analog_dapm_widgets,
1088        .num_dapm_widgets       = ARRAY_SIZE(pm8916_wcd_analog_dapm_widgets),
1089        .dapm_routes            = pm8916_wcd_analog_audio_map,
1090        .num_dapm_routes        = ARRAY_SIZE(pm8916_wcd_analog_audio_map),
1091        .idle_bias_on           = 1,
1092        .use_pmdown_time        = 1,
1093        .endianness             = 1,
1094        .non_legacy_dai_naming  = 1,
1095};
1096
1097static int pm8916_wcd_analog_parse_dt(struct device *dev,
1098                                       struct pm8916_wcd_analog_priv *priv)
1099{
1100        int rval;
1101
1102        if (of_property_read_bool(dev->of_node, "qcom,micbias1-ext-cap"))
1103                priv->micbias1_cap_mode = MICB_1_EN_EXT_BYP_CAP;
1104        else
1105                priv->micbias1_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
1106
1107        if (of_property_read_bool(dev->of_node, "qcom,micbias2-ext-cap"))
1108                priv->micbias2_cap_mode = MICB_1_EN_EXT_BYP_CAP;
1109        else
1110                priv->micbias2_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
1111
1112        of_property_read_u32(dev->of_node, "qcom,micbias-lvl",
1113                             &priv->micbias_mv);
1114
1115        if (of_property_read_bool(dev->of_node,
1116                                  "qcom,hphl-jack-type-normally-open"))
1117                priv->hphl_jack_type_normally_open = true;
1118        else
1119                priv->hphl_jack_type_normally_open = false;
1120
1121        if (of_property_read_bool(dev->of_node,
1122                                  "qcom,gnd-jack-type-normally-open"))
1123                priv->gnd_jack_type_normally_open = true;
1124        else
1125                priv->gnd_jack_type_normally_open = false;
1126
1127        priv->mbhc_btn_enabled = true;
1128        rval = of_property_read_u32_array(dev->of_node,
1129                                          "qcom,mbhc-vthreshold-low",
1130                                          &priv->vref_btn_cs[0],
1131                                          MBHC_MAX_BUTTONS);
1132        if (rval < 0) {
1133                priv->mbhc_btn_enabled = false;
1134        } else {
1135                rval = of_property_read_u32_array(dev->of_node,
1136                                                  "qcom,mbhc-vthreshold-high",
1137                                                  &priv->vref_btn_micb[0],
1138                                                  MBHC_MAX_BUTTONS);
1139                if (rval < 0)
1140                        priv->mbhc_btn_enabled = false;
1141        }
1142
1143        if (!priv->mbhc_btn_enabled)
1144                dev_err(dev,
1145                        "DT property missing, MBHC btn detection disabled\n");
1146
1147
1148        return 0;
1149}
1150
1151static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
1152{
1153        struct pm8916_wcd_analog_priv *priv;
1154        struct device *dev = &pdev->dev;
1155        int ret, i, irq;
1156
1157        priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1158        if (!priv)
1159                return -ENOMEM;
1160
1161        ret = pm8916_wcd_analog_parse_dt(dev, priv);
1162        if (ret < 0)
1163                return ret;
1164
1165        priv->mclk = devm_clk_get(dev, "mclk");
1166        if (IS_ERR(priv->mclk)) {
1167                dev_err(dev, "failed to get mclk\n");
1168                return PTR_ERR(priv->mclk);
1169        }
1170
1171        for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1172                priv->supplies[i].supply = supply_names[i];
1173
1174        ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies),
1175                                    priv->supplies);
1176        if (ret) {
1177                dev_err(dev, "Failed to get regulator supplies %d\n", ret);
1178                return ret;
1179        }
1180
1181        ret = clk_prepare_enable(priv->mclk);
1182        if (ret < 0) {
1183                dev_err(dev, "failed to enable mclk %d\n", ret);
1184                return ret;
1185        }
1186
1187        irq = platform_get_irq_byname(pdev, "mbhc_switch_int");
1188        if (irq < 0)
1189                return irq;
1190
1191        ret = devm_request_threaded_irq(dev, irq, NULL,
1192                               pm8916_mbhc_switch_irq_handler,
1193                               IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
1194                               IRQF_ONESHOT,
1195                               "mbhc switch irq", priv);
1196        if (ret)
1197                dev_err(dev, "cannot request mbhc switch irq\n");
1198
1199        if (priv->mbhc_btn_enabled) {
1200                irq = platform_get_irq_byname(pdev, "mbhc_but_press_det");
1201                if (irq < 0)
1202                        return irq;
1203
1204                ret = devm_request_threaded_irq(dev, irq, NULL,
1205                                       mbhc_btn_press_irq_handler,
1206                                       IRQF_TRIGGER_RISING |
1207                                       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1208                                       "mbhc btn press irq", priv);
1209                if (ret)
1210                        dev_err(dev, "cannot request mbhc button press irq\n");
1211
1212                irq = platform_get_irq_byname(pdev, "mbhc_but_rel_det");
1213                if (irq < 0)
1214                        return irq;
1215
1216                ret = devm_request_threaded_irq(dev, irq, NULL,
1217                                       mbhc_btn_release_irq_handler,
1218                                       IRQF_TRIGGER_RISING |
1219                                       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1220                                       "mbhc btn release irq", priv);
1221                if (ret)
1222                        dev_err(dev, "cannot request mbhc button release irq\n");
1223
1224        }
1225
1226        dev_set_drvdata(dev, priv);
1227
1228        return devm_snd_soc_register_component(dev, &pm8916_wcd_analog,
1229                                      pm8916_wcd_analog_dai,
1230                                      ARRAY_SIZE(pm8916_wcd_analog_dai));
1231}
1232
1233static int pm8916_wcd_analog_spmi_remove(struct platform_device *pdev)
1234{
1235        struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(&pdev->dev);
1236
1237        clk_disable_unprepare(priv->mclk);
1238
1239        return 0;
1240}
1241
1242static const struct of_device_id pm8916_wcd_analog_spmi_match_table[] = {
1243        { .compatible = "qcom,pm8916-wcd-analog-codec", },
1244        { }
1245};
1246
1247MODULE_DEVICE_TABLE(of, pm8916_wcd_analog_spmi_match_table);
1248
1249static struct platform_driver pm8916_wcd_analog_spmi_driver = {
1250        .driver = {
1251                   .name = "qcom,pm8916-wcd-spmi-codec",
1252                   .of_match_table = pm8916_wcd_analog_spmi_match_table,
1253        },
1254        .probe = pm8916_wcd_analog_spmi_probe,
1255        .remove = pm8916_wcd_analog_spmi_remove,
1256};
1257
1258module_platform_driver(pm8916_wcd_analog_spmi_driver);
1259
1260MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
1261MODULE_DESCRIPTION("PMIC PM8916 WCD Analog Codec driver");
1262MODULE_LICENSE("GPL v2");
1263