// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2016, The Linux Foundation. All rights reserved. #include <linux/module.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/delay.h> #include <linux/regulator/consumer.h> #include <linux/types.h> #include <linux/clk.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <sound/soc.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include <sound/jack.h> #define CDC_D_REVISION1 (0xf000) #define CDC_D_PERPH_SUBTYPE (0xf005) #define CDC_D_INT_EN_SET (0xf015) #define CDC_D_INT_EN_CLR (0xf016) #define MBHC_SWITCH_INT BIT(7) #define MBHC_MIC_ELECTRICAL_INS_REM_DET BIT(6) #define MBHC_BUTTON_PRESS_DET BIT(5) #define MBHC_BUTTON_RELEASE_DET BIT(4) #define CDC_D_CDC_RST_CTL (0xf046) #define RST_CTL_DIG_SW_RST_N_MASK BIT(7) #define RST_CTL_DIG_SW_RST_N_RESET 0 #define RST_CTL_DIG_SW_RST_N_REMOVE_RESET BIT(7) #define CDC_D_CDC_TOP_CLK_CTL (0xf048) #define TOP_CLK_CTL_A_MCLK_MCLK2_EN_MASK (BIT(2) | BIT(3)) #define TOP_CLK_CTL_A_MCLK_EN_ENABLE BIT(2) #define TOP_CLK_CTL_A_MCLK2_EN_ENABLE BIT(3) #define CDC_D_CDC_ANA_CLK_CTL (0xf049) #define ANA_CLK_CTL_EAR_HPHR_CLK_EN_MASK BIT(0) #define ANA_CLK_CTL_EAR_HPHR_CLK_EN BIT(0) #define ANA_CLK_CTL_EAR_HPHL_CLK_EN BIT(1) #define ANA_CLK_CTL_SPKR_CLK_EN_MASK BIT(4) #define ANA_CLK_CTL_SPKR_CLK_EN BIT(4) #define ANA_CLK_CTL_TXA_CLK25_EN BIT(5) #define CDC_D_CDC_DIG_CLK_CTL (0xf04A) #define DIG_CLK_CTL_RXD1_CLK_EN BIT(0) #define DIG_CLK_CTL_RXD2_CLK_EN BIT(1) #define DIG_CLK_CTL_RXD3_CLK_EN BIT(2) #define DIG_CLK_CTL_D_MBHC_CLK_EN_MASK BIT(3) #define DIG_CLK_CTL_D_MBHC_CLK_EN BIT(3) #define DIG_CLK_CTL_TXD_CLK_EN BIT(4) #define DIG_CLK_CTL_NCP_CLK_EN_MASK BIT(6) #define DIG_CLK_CTL_NCP_CLK_EN BIT(6) #define DIG_CLK_CTL_RXD_PDM_CLK_EN_MASK BIT(7) #define DIG_CLK_CTL_RXD_PDM_CLK_EN BIT(7) #define CDC_D_CDC_CONN_TX1_CTL (0xf050) #define CONN_TX1_SERIAL_TX1_MUX GENMASK(1, 0) #define CONN_TX1_SERIAL_TX1_ADC_1 0x0 #define CONN_TX1_SERIAL_TX1_RX_PDM_LB 0x1 #define CONN_TX1_SERIAL_TX1_ZERO 0x2 #define CDC_D_CDC_CONN_TX2_CTL (0xf051) #define CONN_TX2_SERIAL_TX2_MUX GENMASK(1, 0) #define CONN_TX2_SERIAL_TX2_ADC_2 0x0 #define CONN_TX2_SERIAL_TX2_RX_PDM_LB 0x1 #define CONN_TX2_SERIAL_TX2_ZERO 0x2 #define CDC_D_CDC_CONN_HPHR_DAC_CTL (0xf052) #define CDC_D_CDC_CONN_RX1_CTL (0xf053) #define CDC_D_CDC_CONN_RX2_CTL (0xf054) #define CDC_D_CDC_CONN_RX3_CTL (0xf055) #define CDC_D_CDC_CONN_RX_LB_CTL (0xf056) #define CDC_D_SEC_ACCESS (0xf0D0) #define CDC_D_PERPH_RESET_CTL3 (0xf0DA) #define CDC_D_PERPH_RESET_CTL4 (0xf0DB) #define CDC_A_REVISION1 (0xf100) #define CDC_A_REVISION2 (0xf101) #define CDC_A_REVISION3 (0xf102) #define CDC_A_REVISION4 (0xf103) #define CDC_A_PERPH_TYPE (0xf104) #define CDC_A_PERPH_SUBTYPE (0xf105) #define CDC_A_INT_RT_STS (0xf110) #define CDC_A_INT_SET_TYPE (0xf111) #define CDC_A_INT_POLARITY_HIGH (0xf112) #define CDC_A_INT_POLARITY_LOW (0xf113) #define CDC_A_INT_LATCHED_CLR (0xf114) #define CDC_A_INT_EN_SET (0xf115) #define CDC_A_INT_EN_CLR (0xf116) #define CDC_A_INT_LATCHED_STS (0xf118) #define CDC_A_INT_PENDING_STS (0xf119) #define CDC_A_INT_MID_SEL (0xf11A) #define CDC_A_INT_PRIORITY (0xf11B) #define CDC_A_MICB_1_EN (0xf140) #define MICB_1_EN_MICB_ENABLE BIT(7) #define MICB_1_EN_BYP_CAP_MASK BIT(6) #define MICB_1_EN_NO_EXT_BYP_CAP BIT(6) #define MICB_1_EN_EXT_BYP_CAP 0 #define MICB_1_EN_PULL_DOWN_EN_MASK BIT(5) #define MICB_1_EN_PULL_DOWN_EN_ENABLE BIT(5) #define MICB_1_EN_OPA_STG2_TAIL_CURR_MASK GENMASK(3, 1) #define MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA (0x4) #define MICB_1_EN_PULL_UP_EN_MASK BIT(4) #define MICB_1_EN_TX3_GND_SEL_MASK BIT(0) #define MICB_1_EN_TX3_GND_SEL_TX_GND 0 #define CDC_A_MICB_1_VAL (0xf141) #define MICB_MIN_VAL 1600 #define MICB_STEP_SIZE 50 #define MICB_VOLTAGE_REGVAL(v) (((v - MICB_MIN_VAL)/MICB_STEP_SIZE) << 3) #define MICB_1_VAL_MICB_OUT_VAL_MASK GENMASK(7, 3) #define MICB_1_VAL_MICB_OUT_VAL_V2P70V ((0x16) << 3) #define MICB_1_VAL_MICB_OUT_VAL_V1P80V ((0x4) << 3) #define CDC_A_MICB_1_CTL (0xf142) #define MICB_1_CTL_CFILT_REF_SEL_MASK BIT(1) #define MICB_1_CTL_CFILT_REF_SEL_HPF_REF BIT(1) #define MICB_1_CTL_EXT_PRECHARG_EN_MASK BIT(5) #define MICB_1_CTL_EXT_PRECHARG_EN_ENABLE BIT(5) #define MICB_1_CTL_INT_PRECHARG_BYP_MASK BIT(6) #define MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL BIT(6) #define CDC_A_MICB_1_INT_RBIAS (0xf143) #define MICB_1_INT_TX1_INT_RBIAS_EN_MASK BIT(7) #define MICB_1_INT_TX1_INT_RBIAS_EN_ENABLE BIT(7) #define MICB_1_INT_TX1_INT_RBIAS_EN_DISABLE 0 #define MICB_1_INT_TX1_INT_PULLUP_EN_MASK BIT(6) #define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(6) #define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_GND 0 #define MICB_1_INT_TX2_INT_RBIAS_EN_MASK BIT(4) #define MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE BIT(4) #define MICB_1_INT_TX2_INT_RBIAS_EN_DISABLE 0 #define MICB_1_INT_TX2_INT_PULLUP_EN_MASK BIT(3) #define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(3) #define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_GND 0 #define MICB_1_INT_TX3_INT_RBIAS_EN_MASK BIT(1) #define MICB_1_INT_TX3_INT_RBIAS_EN_ENABLE BIT(1) #define MICB_1_INT_TX3_INT_RBIAS_EN_DISABLE 0 #define MICB_1_INT_TX3_INT_PULLUP_EN_MASK BIT(0) #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(0) #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_GND 0 #define CDC_A_MICB_2_EN (0xf144) #define CDC_A_MICB_2_EN_ENABLE BIT(7) #define CDC_A_MICB_2_PULL_DOWN_EN_MASK BIT(5) #define CDC_A_MICB_2_PULL_DOWN_EN BIT(5) #define CDC_A_TX_1_2_ATEST_CTL_2 (0xf145) #define CDC_A_MASTER_BIAS_CTL (0xf146) #define CDC_A_MBHC_DET_CTL_1 (0xf147) #define CDC_A_MBHC_DET_CTL_L_DET_EN BIT(7) #define CDC_A_MBHC_DET_CTL_GND_DET_EN BIT(6) #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION BIT(5) #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_REMOVAL (0) #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK BIT(5) #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT (5) #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO BIT(4) #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MANUAL BIT(3) #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MASK GENMASK(4, 3) #define CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN BIT(2) #define CDC_A_MBHC_DET_CTL_2 (0xf150) #define CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 (BIT(7) | BIT(6)) #define CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD BIT(5) #define CDC_A_PLUG_TYPE_MASK GENMASK(4, 3) #define CDC_A_HPHL_PLUG_TYPE_NO BIT(4) #define CDC_A_GND_PLUG_TYPE_NO BIT(3) #define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN_MASK BIT(0) #define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN BIT(0) #define CDC_A_MBHC_FSM_CTL (0xf151) #define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN BIT(7) #define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK BIT(7) #define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA (0x3 << 4) #define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK GENMASK(6, 4) #define CDC_A_MBHC_DBNC_TIMER (0xf152) #define CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS BIT(3) #define CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS (0x9 << 4) #define CDC_A_MBHC_BTN0_ZDET_CTL_0 (0xf153) #define CDC_A_MBHC_BTN1_ZDET_CTL_1 (0xf154) #define CDC_A_MBHC_BTN2_ZDET_CTL_2 (0xf155) #define CDC_A_MBHC_BTN3_CTL (0xf156) #define CDC_A_MBHC_BTN4_CTL (0xf157) #define CDC_A_MBHC_BTN_VREF_FINE_SHIFT (2) #define CDC_A_MBHC_BTN_VREF_FINE_MASK GENMASK(4, 2) #define CDC_A_MBHC_BTN_VREF_COARSE_MASK GENMASK(7, 5) #define CDC_A_MBHC_BTN_VREF_COARSE_SHIFT (5) #define CDC_A_MBHC_BTN_VREF_MASK (CDC_A_MBHC_BTN_VREF_COARSE_MASK | \ CDC_A_MBHC_BTN_VREF_FINE_MASK) #define CDC_A_MBHC_RESULT_1 (0xf158) #define CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK GENMASK(4, 0) #define CDC_A_TX_1_EN (0xf160) #define CDC_A_TX_2_EN (0xf161) #define CDC_A_TX_1_2_TEST_CTL_1 (0xf162) #define CDC_A_TX_1_2_TEST_CTL_2 (0xf163) #define CDC_A_TX_1_2_ATEST_CTL (0xf164) #define CDC_A_TX_1_2_OPAMP_BIAS (0xf165) #define CDC_A_TX_3_EN (0xf167) #define CDC_A_NCP_EN (0xf180) #define CDC_A_NCP_CLK (0xf181) #define CDC_A_NCP_FBCTRL (0xf183) #define CDC_A_NCP_FBCTRL_FB_CLK_INV_MASK BIT(5) #define CDC_A_NCP_FBCTRL_FB_CLK_INV BIT(5) #define CDC_A_NCP_BIAS (0xf184) #define CDC_A_NCP_VCTRL (0xf185) #define CDC_A_NCP_TEST (0xf186) #define CDC_A_NCP_CLIM_ADDR (0xf187) #define CDC_A_RX_CLOCK_DIVIDER (0xf190) #define CDC_A_RX_COM_OCP_CTL (0xf191) #define CDC_A_RX_COM_OCP_COUNT (0xf192) #define CDC_A_RX_COM_BIAS_DAC (0xf193) #define RX_COM_BIAS_DAC_RX_BIAS_EN_MASK BIT(7) #define RX_COM_BIAS_DAC_RX_BIAS_EN_ENABLE BIT(7) #define RX_COM_BIAS_DAC_DAC_REF_EN_MASK BIT(0) #define RX_COM_BIAS_DAC_DAC_REF_EN_ENABLE BIT(0) #define CDC_A_RX_HPH_BIAS_PA (0xf194) #define CDC_A_RX_HPH_BIAS_LDO_OCP (0xf195) #define CDC_A_RX_HPH_BIAS_CNP (0xf196) #define CDC_A_RX_HPH_CNP_EN (0xf197) #define CDC_A_RX_HPH_L_PA_DAC_CTL (0xf19B) #define RX_HPA_L_PA_DAC_CTL_DATA_RESET_MASK BIT(1) #define RX_HPA_L_PA_DAC_CTL_DATA_RESET_RESET BIT(1) #define CDC_A_RX_HPH_R_PA_DAC_CTL (0xf19D) #define RX_HPH_R_PA_DAC_CTL_DATA_RESET BIT(1) #define RX_HPH_R_PA_DAC_CTL_DATA_RESET_MASK BIT(1) #define CDC_A_RX_EAR_CTL (0xf19E) #define RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK BIT(0) #define RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE BIT(0) #define RX_EAR_CTL_PA_EAR_PA_EN_MASK BIT(6) #define RX_EAR_CTL_PA_EAR_PA_EN_ENABLE BIT(6) #define RX_EAR_CTL_PA_SEL_MASK BIT(7) #define RX_EAR_CTL_PA_SEL BIT(7) #define CDC_A_SPKR_DAC_CTL (0xf1B0) #define SPKR_DAC_CTL_DAC_RESET_MASK BIT(4) #define SPKR_DAC_CTL_DAC_RESET_NORMAL 0 #define CDC_A_SPKR_DRV_CTL (0xf1B2) #define SPKR_DRV_CTL_DEF_MASK 0xEF #define SPKR_DRV_CLASSD_PA_EN_MASK BIT(7) #define SPKR_DRV_CLASSD_PA_EN_ENABLE BIT(7) #define SPKR_DRV_CAL_EN BIT(6) #define SPKR_DRV_SETTLE_EN BIT(5) #define SPKR_DRV_FW_EN BIT(3) #define SPKR_DRV_BOOST_SET BIT(2) #define SPKR_DRV_CMFB_SET BIT(1) #define SPKR_DRV_GAIN_SET BIT(0) #define SPKR_DRV_CTL_DEF_VAL (SPKR_DRV_CLASSD_PA_EN_ENABLE | \ SPKR_DRV_CAL_EN | SPKR_DRV_SETTLE_EN | \ SPKR_DRV_FW_EN | SPKR_DRV_BOOST_SET | \ SPKR_DRV_CMFB_SET | SPKR_DRV_GAIN_SET) #define CDC_A_SPKR_OCP_CTL (0xf1B4) #define CDC_A_SPKR_PWRSTG_CTL (0xf1B5) #define SPKR_PWRSTG_CTL_DAC_EN_MASK BIT(0) #define SPKR_PWRSTG_CTL_DAC_EN BIT(0) #define SPKR_PWRSTG_CTL_MASK 0xE0 #define SPKR_PWRSTG_CTL_BBM_MASK BIT(7) #define SPKR_PWRSTG_CTL_BBM_EN BIT(7) #define SPKR_PWRSTG_CTL_HBRDGE_EN_MASK BIT(6) #define SPKR_PWRSTG_CTL_HBRDGE_EN BIT(6) #define SPKR_PWRSTG_CTL_CLAMP_EN_MASK BIT(5) #define SPKR_PWRSTG_CTL_CLAMP_EN BIT(5) #define CDC_A_SPKR_DRV_DBG (0xf1B7) #define CDC_A_CURRENT_LIMIT (0xf1C0) #define CDC_A_BOOST_EN_CTL (0xf1C3) #define CDC_A_SLOPE_COMP_IP_ZERO (0xf1C4) #define CDC_A_SEC_ACCESS (0xf1D0) #define CDC_A_PERPH_RESET_CTL3 (0xf1DA) #define CDC_A_PERPH_RESET_CTL4 (0xf1DB) #define MSM8916_WCD_ANALOG_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000) #define MSM8916_WCD_ANALOG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ SNDRV_PCM_FMTBIT_S32_LE) static int btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_BTN_4; static int hs_jack_mask = SND_JACK_HEADPHONE | SND_JACK_HEADSET; static const char * const supply_names[] = { "vdd-cdc-io", "vdd-cdc-tx-rx-cx", }; #define MBHC_MAX_BUTTONS (5) struct pm8916_wcd_analog_priv { u16 pmic_rev; u16 codec_version; bool mbhc_btn_enabled; /* special event to detect accessory type */ int mbhc_btn0_released; bool detect_accessory_type; struct clk *mclk; struct snd_soc_component *component; struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)]; struct snd_soc_jack *jack; bool hphl_jack_type_normally_open; bool gnd_jack_type_normally_open; /* Voltage threshold when internal current source of 100uA is used */ u32 vref_btn_cs[MBHC_MAX_BUTTONS]; /* Voltage threshold when microphone bias is ON */ u32 vref_btn_micb[MBHC_MAX_BUTTONS]; unsigned int micbias1_cap_mode; unsigned int micbias2_cap_mode; unsigned int micbias_mv; }; static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" }; static const char *const rdac2_mux_text[] = { "RX1", "RX2" }; static const char *const hph_text[] = { "ZERO", "Switch", }; static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT( ARRAY_SIZE(hph_text), hph_text); static const struct snd_kcontrol_new ear_mux = SOC_DAPM_ENUM("EAR_S", hph_enum); static const struct snd_kcontrol_new hphl_mux = SOC_DAPM_ENUM("HPHL", hph_enum); static const struct snd_kcontrol_new hphr_mux = SOC_DAPM_ENUM("HPHR", hph_enum); /* ADC2 MUX */ static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT( ARRAY_SIZE(adc2_mux_text), adc2_mux_text); /* RDAC2 MUX */ static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE( CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 2, rdac2_mux_text); static const struct snd_kcontrol_new spkr_switch[] = { SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0) }; static const struct snd_kcontrol_new rdac2_mux = SOC_DAPM_ENUM( "RDAC2 MUX Mux", rdac2_mux_enum); static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM( "ADC2 MUX Mux", adc2_enum); /* Analog Gain control 0 dB to +24 dB in 6 dB steps */ static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 600, 0); static const struct snd_kcontrol_new pm8916_wcd_analog_snd_controls[] = { SOC_SINGLE_TLV("ADC1 Volume", CDC_A_TX_1_EN, 3, 8, 0, analog_gain), SOC_SINGLE_TLV("ADC2 Volume", CDC_A_TX_2_EN, 3, 8, 0, analog_gain), SOC_SINGLE_TLV("ADC3 Volume", CDC_A_TX_3_EN, 3, 8, 0, analog_gain), }; static void pm8916_wcd_analog_micbias_enable(struct snd_soc_component *component) { struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL, MICB_1_CTL_EXT_PRECHARG_EN_MASK | MICB_1_CTL_INT_PRECHARG_BYP_MASK, MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL | MICB_1_CTL_EXT_PRECHARG_EN_ENABLE); if (wcd->micbias_mv) { snd_soc_component_update_bits(component, CDC_A_MICB_1_VAL, MICB_1_VAL_MICB_OUT_VAL_MASK, MICB_VOLTAGE_REGVAL(wcd->micbias_mv)); /* * Special headset needs MICBIAS as 2.7V so wait for * 50 msec for the MICBIAS to reach 2.7 volts. */ if (wcd->micbias_mv >= 2700) msleep(50); } snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL, MICB_1_CTL_EXT_PRECHARG_EN_MASK | MICB_1_CTL_INT_PRECHARG_BYP_MASK, 0); } static int pm8916_wcd_analog_enable_micbias(struct snd_soc_component *component, int event, unsigned int cap_mode) { switch (event) { case SND_SOC_DAPM_POST_PMU: pm8916_wcd_analog_micbias_enable(component); snd_soc_component_update_bits(component, CDC_A_MICB_1_EN, MICB_1_EN_BYP_CAP_MASK, cap_mode); break; } return 0; } static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); switch (event) { case SND_SOC_DAPM_PRE_PMU: snd_soc_component_update_bits(component, CDC_A_MICB_1_EN, MICB_1_EN_OPA_STG2_TAIL_CURR_MASK, MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA); break; } return 0; } static int pm8916_wcd_analog_enable_micbias1(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); return pm8916_wcd_analog_enable_micbias(component, event, wcd->micbias1_cap_mode); } static int pm8916_wcd_analog_enable_micbias2(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); return pm8916_wcd_analog_enable_micbias(component, event, wcd->micbias2_cap_mode); } static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv, bool micbias2_enabled) { struct snd_soc_component *component = priv->component; u32 coarse, fine, reg_val, reg_addr; int *vrefs, i; if (!micbias2_enabled) { /* use internal 100uA Current source */ /* Enable internal 2.2k Internal Rbias Resistor */ snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS, MICB_1_INT_TX2_INT_RBIAS_EN_MASK, MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE); /* Remove pull down on MIC BIAS2 */ snd_soc_component_update_bits(component, CDC_A_MICB_2_EN, CDC_A_MICB_2_PULL_DOWN_EN_MASK, 0); /* enable 100uA internal current source */ snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL, CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK, CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA); } snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL, CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK, CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN); if (micbias2_enabled) vrefs = &priv->vref_btn_micb[0]; else vrefs = &priv->vref_btn_cs[0]; /* program vref ranges for all the buttons */ reg_addr = CDC_A_MBHC_BTN0_ZDET_CTL_0; for (i = 0; i < MBHC_MAX_BUTTONS; i++) { /* split mv in to coarse parts of 100mv & fine parts of 12mv */ coarse = (vrefs[i] / 100); fine = ((vrefs[i] % 100) / 12); reg_val = (coarse << CDC_A_MBHC_BTN_VREF_COARSE_SHIFT) | (fine << CDC_A_MBHC_BTN_VREF_FINE_SHIFT); snd_soc_component_update_bits(component, reg_addr, CDC_A_MBHC_BTN_VREF_MASK, reg_val); reg_addr++; } return 0; } static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd) { struct snd_soc_component *component = wcd->component; bool micbias_enabled = false; u32 plug_type = 0; u32 int_en_mask; snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_1, CDC_A_MBHC_DET_CTL_L_DET_EN | CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION | CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO | CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN); if (wcd->hphl_jack_type_normally_open) plug_type |= CDC_A_HPHL_PLUG_TYPE_NO; if (wcd->gnd_jack_type_normally_open) plug_type |= CDC_A_GND_PLUG_TYPE_NO; snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_2, CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 | CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD | plug_type | CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN); snd_soc_component_write(component, CDC_A_MBHC_DBNC_TIMER, CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS | CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS); /* enable MBHC clock */ snd_soc_component_update_bits(component, CDC_D_CDC_DIG_CLK_CTL, DIG_CLK_CTL_D_MBHC_CLK_EN_MASK, DIG_CLK_CTL_D_MBHC_CLK_EN); if (snd_soc_component_read(component, CDC_A_MICB_2_EN) & CDC_A_MICB_2_EN_ENABLE) micbias_enabled = true; pm8916_mbhc_configure_bias(wcd, micbias_enabled); int_en_mask = MBHC_SWITCH_INT; if (wcd->mbhc_btn_enabled) int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET; snd_soc_component_update_bits(component, CDC_D_INT_EN_CLR, int_en_mask, 0); snd_soc_component_update_bits(component, CDC_D_INT_EN_SET, int_en_mask, int_en_mask); wcd->mbhc_btn0_released = false; wcd->detect_accessory_type = true; } static int pm8916_wcd_analog_enable_micbias_int2(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); switch (event) { case SND_SOC_DAPM_PRE_PMU: snd_soc_component_update_bits(component, CDC_A_MICB_2_EN, CDC_A_MICB_2_PULL_DOWN_EN_MASK, 0); break; case SND_SOC_DAPM_POST_PMU: pm8916_mbhc_configure_bias(wcd, true); break; case SND_SOC_DAPM_POST_PMD: pm8916_mbhc_configure_bias(wcd, false); break; } return pm8916_wcd_analog_enable_micbias_int(w, kcontrol, event); } static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); u16 adc_reg = CDC_A_TX_1_2_TEST_CTL_2; u8 init_bit_shift; if (w->reg == CDC_A_TX_1_EN) init_bit_shift = 5; else init_bit_shift = 4; switch (event) { case SND_SOC_DAPM_PRE_PMU: if (w->reg == CDC_A_TX_2_EN) snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL, MICB_1_CTL_CFILT_REF_SEL_MASK, MICB_1_CTL_CFILT_REF_SEL_HPF_REF); /* * Add delay of 10 ms to give sufficient time for the voltage * to shoot up and settle so that the txfe init does not * happen when the input voltage is changing too much. */ usleep_range(10000, 10010); snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift, 1 << init_bit_shift); switch (w->reg) { case CDC_A_TX_1_EN: snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL, CONN_TX1_SERIAL_TX1_MUX, CONN_TX1_SERIAL_TX1_ADC_1); break; case CDC_A_TX_2_EN: case CDC_A_TX_3_EN: snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL, CONN_TX2_SERIAL_TX2_MUX, CONN_TX2_SERIAL_TX2_ADC_2); break; } break; case SND_SOC_DAPM_POST_PMU: /* * Add delay of 12 ms before deasserting the init * to reduce the tx pop */ usleep_range(12000, 12010); snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift, 0x00); break; case SND_SOC_DAPM_POST_PMD: switch (w->reg) { case CDC_A_TX_1_EN: snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL, CONN_TX1_SERIAL_TX1_MUX, CONN_TX1_SERIAL_TX1_ZERO); break; case CDC_A_TX_2_EN: snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL, MICB_1_CTL_CFILT_REF_SEL_MASK, 0); fallthrough; case CDC_A_TX_3_EN: snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL, CONN_TX2_SERIAL_TX2_MUX, CONN_TX2_SERIAL_TX2_ZERO); break; } break; } return 0; } static int pm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); switch (event) { case SND_SOC_DAPM_PRE_PMU: snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL, SPKR_PWRSTG_CTL_DAC_EN_MASK | SPKR_PWRSTG_CTL_BBM_MASK | SPKR_PWRSTG_CTL_HBRDGE_EN_MASK | SPKR_PWRSTG_CTL_CLAMP_EN_MASK, SPKR_PWRSTG_CTL_DAC_EN| SPKR_PWRSTG_CTL_BBM_EN | SPKR_PWRSTG_CTL_HBRDGE_EN | SPKR_PWRSTG_CTL_CLAMP_EN); snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL, RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE); break; case SND_SOC_DAPM_POST_PMU: snd_soc_component_update_bits(component, CDC_A_SPKR_DRV_CTL, SPKR_DRV_CTL_DEF_MASK, SPKR_DRV_CTL_DEF_VAL); snd_soc_component_update_bits(component, w->reg, SPKR_DRV_CLASSD_PA_EN_MASK, SPKR_DRV_CLASSD_PA_EN_ENABLE); break; case SND_SOC_DAPM_POST_PMD: snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL, SPKR_PWRSTG_CTL_DAC_EN_MASK| SPKR_PWRSTG_CTL_BBM_MASK | SPKR_PWRSTG_CTL_HBRDGE_EN_MASK | SPKR_PWRSTG_CTL_CLAMP_EN_MASK, 0); snd_soc_component_update_bits(component, CDC_A_SPKR_DAC_CTL, SPKR_DAC_CTL_DAC_RESET_MASK, SPKR_DAC_CTL_DAC_RESET_NORMAL); snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL, RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, 0); break; } return 0; } static int pm8916_wcd_analog_enable_ear_pa(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); switch (event) { case SND_SOC_DAPM_PRE_PMU: snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL, RX_EAR_CTL_PA_SEL_MASK, RX_EAR_CTL_PA_SEL); break; case SND_SOC_DAPM_POST_PMU: snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL, RX_EAR_CTL_PA_EAR_PA_EN_MASK, RX_EAR_CTL_PA_EAR_PA_EN_ENABLE); break; case SND_SOC_DAPM_POST_PMD: snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL, RX_EAR_CTL_PA_EAR_PA_EN_MASK, 0); /* Delay to reduce ear turn off pop */ usleep_range(7000, 7100); snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL, RX_EAR_CTL_PA_SEL_MASK, 0); break; } return 0; } static const struct reg_default wcd_reg_defaults_2_0[] = { {CDC_A_RX_COM_OCP_CTL, 0xD1}, {CDC_A_RX_COM_OCP_COUNT, 0xFF}, {CDC_D_SEC_ACCESS, 0xA5}, {CDC_D_PERPH_RESET_CTL3, 0x0F}, {CDC_A_TX_1_2_OPAMP_BIAS, 0x4F}, {CDC_A_NCP_FBCTRL, 0x28}, {CDC_A_SPKR_DRV_CTL, 0x69}, {CDC_A_SPKR_DRV_DBG, 0x01}, {CDC_A_BOOST_EN_CTL, 0x5F}, {CDC_A_SLOPE_COMP_IP_ZERO, 0x88}, {CDC_A_SEC_ACCESS, 0xA5}, {CDC_A_PERPH_RESET_CTL3, 0x0F}, {CDC_A_CURRENT_LIMIT, 0x82}, {CDC_A_SPKR_DAC_CTL, 0x03}, {CDC_A_SPKR_OCP_CTL, 0xE1}, {CDC_A_MASTER_BIAS_CTL, 0x30}, }; static int pm8916_wcd_analog_probe(struct snd_soc_component *component) { struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev); int err, reg; err = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies); if (err != 0) { dev_err(component->dev, "failed to enable regulators (%d)\n", err); return err; } snd_soc_component_init_regmap(component, dev_get_regmap(component->dev->parent, NULL)); snd_soc_component_set_drvdata(component, priv); priv->pmic_rev = snd_soc_component_read(component, CDC_D_REVISION1); priv->codec_version = snd_soc_component_read(component, CDC_D_PERPH_SUBTYPE); dev_info(component->dev, "PMIC REV: %d\t CODEC Version: %d\n", priv->pmic_rev, priv->codec_version); snd_soc_component_write(component, CDC_D_PERPH_RESET_CTL4, 0x01); snd_soc_component_write(component, CDC_A_PERPH_RESET_CTL4, 0x01); for (reg = 0; reg < ARRAY_SIZE(wcd_reg_defaults_2_0); reg++) snd_soc_component_write(component, wcd_reg_defaults_2_0[reg].reg, wcd_reg_defaults_2_0[reg].def); priv->component = component; snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL, RST_CTL_DIG_SW_RST_N_MASK, RST_CTL_DIG_SW_RST_N_REMOVE_RESET); pm8916_wcd_setup_mbhc(priv); return 0; } static void pm8916_wcd_analog_remove(struct snd_soc_component *component) { struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev); snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL, RST_CTL_DIG_SW_RST_N_MASK, 0); regulator_bulk_disable(ARRAY_SIZE(priv->supplies), priv->supplies); } static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = { {"PDM_RX1", NULL, "PDM Playback"}, {"PDM_RX2", NULL, "PDM Playback"}, {"PDM_RX3", NULL, "PDM Playback"}, {"PDM Capture", NULL, "PDM_TX"}, /* ADC Connections */ {"PDM_TX", NULL, "ADC2"}, {"PDM_TX", NULL, "ADC3"}, {"ADC2", NULL, "ADC2 MUX"}, {"ADC3", NULL, "ADC2 MUX"}, {"ADC2 MUX", "INP2", "ADC2_INP2"}, {"ADC2 MUX", "INP3", "ADC2_INP3"}, {"PDM_TX", NULL, "ADC1"}, {"ADC1", NULL, "AMIC1"}, {"ADC2_INP2", NULL, "AMIC2"}, {"ADC2_INP3", NULL, "AMIC3"}, /* RDAC Connections */ {"HPHR DAC", NULL, "RDAC2 MUX"}, {"RDAC2 MUX", "RX1", "PDM_RX1"}, {"RDAC2 MUX", "RX2", "PDM_RX2"}, {"HPHL DAC", NULL, "PDM_RX1"}, {"PDM_RX1", NULL, "RXD1_CLK"}, {"PDM_RX2", NULL, "RXD2_CLK"}, {"PDM_RX3", NULL, "RXD3_CLK"}, {"PDM_RX1", NULL, "RXD_PDM_CLK"}, {"PDM_RX2", NULL, "RXD_PDM_CLK"}, {"PDM_RX3", NULL, "RXD_PDM_CLK"}, {"ADC1", NULL, "TXD_CLK"}, {"ADC2", NULL, "TXD_CLK"}, {"ADC3", NULL, "TXD_CLK"}, {"ADC1", NULL, "TXA_CLK25"}, {"ADC2", NULL, "TXA_CLK25"}, {"ADC3", NULL, "TXA_CLK25"}, {"PDM_RX1", NULL, "A_MCLK2"}, {"PDM_RX2", NULL, "A_MCLK2"}, {"PDM_RX3", NULL, "A_MCLK2"}, {"PDM_TX", NULL, "A_MCLK2"}, {"A_MCLK2", NULL, "A_MCLK"}, /* Earpiece (RX MIX1) */ {"EAR", NULL, "EAR_S"}, {"EAR_S", "Switch", "EAR PA"}, {"EAR PA", NULL, "RX_BIAS"}, {"EAR PA", NULL, "HPHL DAC"}, {"EAR PA", NULL, "HPHR DAC"}, {"EAR PA", NULL, "EAR CP"}, /* Headset (RX MIX1 and RX MIX2) */ {"HPH_L", NULL, "HPHL PA"}, {"HPH_R", NULL, "HPHR PA"}, {"HPHL DAC", NULL, "EAR_HPHL_CLK"}, {"HPHR DAC", NULL, "EAR_HPHR_CLK"}, {"CP", NULL, "NCP_CLK"}, {"HPHL PA", NULL, "HPHL"}, {"HPHR PA", NULL, "HPHR"}, {"HPHL PA", NULL, "CP"}, {"HPHL PA", NULL, "RX_BIAS"}, {"HPHR PA", NULL, "CP"}, {"HPHR PA", NULL, "RX_BIAS"}, {"HPHL", "Switch", "HPHL DAC"}, {"HPHR", "Switch", "HPHR DAC"}, {"RX_BIAS", NULL, "DAC_REF"}, {"SPK_OUT", NULL, "SPK PA"}, {"SPK PA", NULL, "RX_BIAS"}, {"SPK PA", NULL, "SPKR_CLK"}, {"SPK PA", NULL, "SPK DAC"}, {"SPK DAC", "Switch", "PDM_RX3"}, {"MIC_BIAS1", NULL, "INT_LDO_H"}, {"MIC_BIAS2", NULL, "INT_LDO_H"}, {"MIC_BIAS1", NULL, "vdd-micbias"}, {"MIC_BIAS2", NULL, "vdd-micbias"}, {"MIC BIAS External1", NULL, "MIC_BIAS1"}, {"MIC BIAS Internal1", NULL, "MIC_BIAS1"}, {"MIC BIAS External2", NULL, "MIC_BIAS2"}, {"MIC BIAS Internal2", NULL, "MIC_BIAS2"}, {"MIC BIAS Internal3", NULL, "MIC_BIAS1"}, }; static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = { SND_SOC_DAPM_AIF_IN("PDM_RX1", NULL, 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_IN("PDM_RX2", NULL, 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_IN("PDM_RX3", NULL, 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_OUT("PDM_TX", NULL, 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_INPUT("AMIC1"), SND_SOC_DAPM_INPUT("AMIC3"), SND_SOC_DAPM_INPUT("AMIC2"), SND_SOC_DAPM_OUTPUT("EAR"), SND_SOC_DAPM_OUTPUT("HPH_L"), SND_SOC_DAPM_OUTPUT("HPH_R"), /* RX stuff */ SND_SOC_DAPM_SUPPLY("INT_LDO_H", SND_SOC_NOPM, 1, 0, NULL, 0), SND_SOC_DAPM_PGA_E("EAR PA", SND_SOC_NOPM, 0, 0, NULL, 0, pm8916_wcd_analog_enable_ear_pa, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_MUX("EAR_S", SND_SOC_NOPM, 0, 0, &ear_mux), SND_SOC_DAPM_SUPPLY("EAR CP", CDC_A_NCP_EN, 4, 0, NULL, 0), SND_SOC_DAPM_PGA("HPHL PA", CDC_A_RX_HPH_CNP_EN, 5, 0, NULL, 0), SND_SOC_DAPM_MUX("HPHL", SND_SOC_NOPM, 0, 0, &hphl_mux), SND_SOC_DAPM_MIXER("HPHL DAC", CDC_A_RX_HPH_L_PA_DAC_CTL, 3, 0, NULL, 0), SND_SOC_DAPM_PGA("HPHR PA", CDC_A_RX_HPH_CNP_EN, 4, 0, NULL, 0), SND_SOC_DAPM_MUX("HPHR", SND_SOC_NOPM, 0, 0, &hphr_mux), SND_SOC_DAPM_MIXER("HPHR DAC", CDC_A_RX_HPH_R_PA_DAC_CTL, 3, 0, NULL, 0), SND_SOC_DAPM_MIXER("SPK DAC", SND_SOC_NOPM, 0, 0, spkr_switch, ARRAY_SIZE(spkr_switch)), /* Speaker */ SND_SOC_DAPM_OUTPUT("SPK_OUT"), SND_SOC_DAPM_PGA_E("SPK PA", CDC_A_SPKR_DRV_CTL, 6, 0, NULL, 0, pm8916_wcd_analog_enable_spk_pa, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_REGULATOR_SUPPLY("vdd-micbias", 0, 0), SND_SOC_DAPM_SUPPLY("CP", CDC_A_NCP_EN, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("DAC_REF", CDC_A_RX_COM_BIAS_DAC, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0), /* TX */ SND_SOC_DAPM_SUPPLY("MIC_BIAS1", CDC_A_MICB_1_EN, 7, 0, pm8916_wcd_analog_enable_micbias1, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("MIC_BIAS2", CDC_A_MICB_2_EN, 7, 0, pm8916_wcd_analog_enable_micbias2, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("MIC BIAS External1", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("MIC BIAS External2", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_INT_RBIAS, 7, 0, pm8916_wcd_analog_enable_micbias_int, SND_SOC_DAPM_PRE_PMU), SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_1_INT_RBIAS, 4, 0, pm8916_wcd_analog_enable_micbias_int2, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("MIC BIAS Internal3", CDC_A_MICB_1_INT_RBIAS, 1, 0, pm8916_wcd_analog_enable_micbias_int, SND_SOC_DAPM_PRE_PMU), SND_SOC_DAPM_ADC_E("ADC1", NULL, CDC_A_TX_1_EN, 7, 0, pm8916_wcd_analog_enable_adc, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_ADC_E("ADC2_INP2", NULL, CDC_A_TX_2_EN, 7, 0, pm8916_wcd_analog_enable_adc, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_ADC_E("ADC2_INP3", NULL, CDC_A_TX_3_EN, 7, 0, pm8916_wcd_analog_enable_adc, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux), SND_SOC_DAPM_MUX("RDAC2 MUX", SND_SOC_NOPM, 0, 0, &rdac2_mux), /* Analog path clocks */ SND_SOC_DAPM_SUPPLY("EAR_HPHR_CLK", CDC_D_CDC_ANA_CLK_CTL, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("EAR_HPHL_CLK", CDC_D_CDC_ANA_CLK_CTL, 1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("SPKR_CLK", CDC_D_CDC_ANA_CLK_CTL, 4, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("TXA_CLK25", CDC_D_CDC_ANA_CLK_CTL, 5, 0, NULL, 0), /* Digital path clocks */ SND_SOC_DAPM_SUPPLY("RXD1_CLK", CDC_D_CDC_DIG_CLK_CTL, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("RXD2_CLK", CDC_D_CDC_DIG_CLK_CTL, 1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("RXD3_CLK", CDC_D_CDC_DIG_CLK_CTL, 2, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("TXD_CLK", CDC_D_CDC_DIG_CLK_CTL, 4, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("NCP_CLK", CDC_D_CDC_DIG_CLK_CTL, 6, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("RXD_PDM_CLK", CDC_D_CDC_DIG_CLK_CTL, 7, 0, NULL, 0), /* System Clock source */ SND_SOC_DAPM_SUPPLY("A_MCLK", CDC_D_CDC_TOP_CLK_CTL, 2, 0, NULL, 0), /* TX ADC and RX DAC Clock source. */ SND_SOC_DAPM_SUPPLY("A_MCLK2", CDC_D_CDC_TOP_CLK_CTL, 3, 0, NULL, 0), }; static int pm8916_wcd_analog_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jack, void *data) { struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); wcd->jack = jack; return 0; } static irqreturn_t mbhc_btn_release_irq_handler(int irq, void *arg) { struct pm8916_wcd_analog_priv *priv = arg; if (priv->detect_accessory_type) { struct snd_soc_component *component = priv->component; u32 val = snd_soc_component_read(component, CDC_A_MBHC_RESULT_1); /* check if its BTN0 thats released */ if ((val != -1) && !(val & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK)) priv->mbhc_btn0_released = true; } else { snd_soc_jack_report(priv->jack, 0, btn_mask); } return IRQ_HANDLED; } static irqreturn_t mbhc_btn_press_irq_handler(int irq, void *arg) { struct pm8916_wcd_analog_priv *priv = arg; struct snd_soc_component *component = priv->component; u32 btn_result; btn_result = snd_soc_component_read(component, CDC_A_MBHC_RESULT_1) & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK; switch (btn_result) { case 0xf: snd_soc_jack_report(priv->jack, SND_JACK_BTN_4, btn_mask); break; case 0x7: snd_soc_jack_report(priv->jack, SND_JACK_BTN_3, btn_mask); break; case 0x3: snd_soc_jack_report(priv->jack, SND_JACK_BTN_2, btn_mask); break; case 0x1: snd_soc_jack_report(priv->jack, SND_JACK_BTN_1, btn_mask); break; case 0x0: /* handle BTN_0 specially for type detection */ if (!priv->detect_accessory_type) snd_soc_jack_report(priv->jack, SND_JACK_BTN_0, btn_mask); break; default: dev_err(component->dev, "Unexpected button press result (%x)", btn_result); break; } return IRQ_HANDLED; } static irqreturn_t pm8916_mbhc_switch_irq_handler(int irq, void *arg) { struct pm8916_wcd_analog_priv *priv = arg; struct snd_soc_component *component = priv->component; bool ins = false; if (snd_soc_component_read(component, CDC_A_MBHC_DET_CTL_1) & CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK) ins = true; /* Set the detection type appropriately */ snd_soc_component_update_bits(component, CDC_A_MBHC_DET_CTL_1, CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK, (!ins << CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT)); if (ins) { /* hs insertion */ bool micbias_enabled = false; if (snd_soc_component_read(component, CDC_A_MICB_2_EN) & CDC_A_MICB_2_EN_ENABLE) micbias_enabled = true; pm8916_mbhc_configure_bias(priv, micbias_enabled); /* * if only a btn0 press event is receive just before * insert event then its a 3 pole headphone else if * both press and release event received then its * a headset. */ if (priv->mbhc_btn0_released) snd_soc_jack_report(priv->jack, SND_JACK_HEADSET, hs_jack_mask); else snd_soc_jack_report(priv->jack, SND_JACK_HEADPHONE, hs_jack_mask); priv->detect_accessory_type = false; } else { /* removal */ snd_soc_jack_report(priv->jack, 0, hs_jack_mask); priv->detect_accessory_type = true; priv->mbhc_btn0_released = false; } return IRQ_HANDLED; } static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = { [0] = { .name = "pm8916_wcd_analog_pdm_rx", .id = 0, .playback = { .stream_name = "PDM Playback", .rates = MSM8916_WCD_ANALOG_RATES, .formats = MSM8916_WCD_ANALOG_FORMATS, .channels_min = 1, .channels_max = 3, }, }, [1] = { .name = "pm8916_wcd_analog_pdm_tx", .id = 1, .capture = { .stream_name = "PDM Capture", .rates = MSM8916_WCD_ANALOG_RATES, .formats = MSM8916_WCD_ANALOG_FORMATS, .channels_min = 1, .channels_max = 4, }, }, }; static const struct snd_soc_component_driver pm8916_wcd_analog = { .probe = pm8916_wcd_analog_probe, .remove = pm8916_wcd_analog_remove, .set_jack = pm8916_wcd_analog_set_jack, .controls = pm8916_wcd_analog_snd_controls, .num_controls = ARRAY_SIZE(pm8916_wcd_analog_snd_controls), .dapm_widgets = pm8916_wcd_analog_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(pm8916_wcd_analog_dapm_widgets), .dapm_routes = pm8916_wcd_analog_audio_map, .num_dapm_routes = ARRAY_SIZE(pm8916_wcd_analog_audio_map), .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, .non_legacy_dai_naming = 1, }; static int pm8916_wcd_analog_parse_dt(struct device *dev, struct pm8916_wcd_analog_priv *priv) { int rval; if (of_property_read_bool(dev->of_node, "qcom,micbias1-ext-cap")) priv->micbias1_cap_mode = MICB_1_EN_EXT_BYP_CAP; else priv->micbias1_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP; if (of_property_read_bool(dev->of_node, "qcom,micbias2-ext-cap")) priv->micbias2_cap_mode = MICB_1_EN_EXT_BYP_CAP; else priv->micbias2_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP; of_property_read_u32(dev->of_node, "qcom,micbias-lvl", &priv->micbias_mv); if (of_property_read_bool(dev->of_node, "qcom,hphl-jack-type-normally-open")) priv->hphl_jack_type_normally_open = true; else priv->hphl_jack_type_normally_open = false; if (of_property_read_bool(dev->of_node, "qcom,gnd-jack-type-normally-open")) priv->gnd_jack_type_normally_open = true; else priv->gnd_jack_type_normally_open = false; priv->mbhc_btn_enabled = true; rval = of_property_read_u32_array(dev->of_node, "qcom,mbhc-vthreshold-low", &priv->vref_btn_cs[0], MBHC_MAX_BUTTONS); if (rval < 0) { priv->mbhc_btn_enabled = false; } else { rval = of_property_read_u32_array(dev->of_node, "qcom,mbhc-vthreshold-high", &priv->vref_btn_micb[0], MBHC_MAX_BUTTONS); if (rval < 0) priv->mbhc_btn_enabled = false; } if (!priv->mbhc_btn_enabled) dev_err(dev, "DT property missing, MBHC btn detection disabled\n"); return 0; } static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev) { struct pm8916_wcd_analog_priv *priv; struct device *dev = &pdev->dev; int ret, i, irq; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; ret = pm8916_wcd_analog_parse_dt(dev, priv); if (ret < 0) return ret; priv->mclk = devm_clk_get(dev, "mclk"); if (IS_ERR(priv->mclk)) { dev_err(dev, "failed to get mclk\n"); return PTR_ERR(priv->mclk); } for (i = 0; i < ARRAY_SIZE(supply_names); i++) priv->supplies[i].supply = supply_names[i]; ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies), priv->supplies); if (ret) { dev_err(dev, "Failed to get regulator supplies %d\n", ret); return ret; } ret = clk_prepare_enable(priv->mclk); if (ret < 0) { dev_err(dev, "failed to enable mclk %d\n", ret); return ret; } irq = platform_get_irq_byname(pdev, "mbhc_switch_int"); if (irq < 0) { ret = irq; goto err_disable_clk; } ret = devm_request_threaded_irq(dev, irq, NULL, pm8916_mbhc_switch_irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "mbhc switch irq", priv); if (ret) dev_err(dev, "cannot request mbhc switch irq\n"); if (priv->mbhc_btn_enabled) { irq = platform_get_irq_byname(pdev, "mbhc_but_press_det"); if (irq < 0) { ret = irq; goto err_disable_clk; } ret = devm_request_threaded_irq(dev, irq, NULL, mbhc_btn_press_irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "mbhc btn press irq", priv); if (ret) dev_err(dev, "cannot request mbhc button press irq\n"); irq = platform_get_irq_byname(pdev, "mbhc_but_rel_det"); if (irq < 0) { ret = irq; goto err_disable_clk; } ret = devm_request_threaded_irq(dev, irq, NULL, mbhc_btn_release_irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "mbhc btn release irq", priv); if (ret) dev_err(dev, "cannot request mbhc button release irq\n"); } dev_set_drvdata(dev, priv); return devm_snd_soc_register_component(dev, &pm8916_wcd_analog, pm8916_wcd_analog_dai, ARRAY_SIZE(pm8916_wcd_analog_dai)); err_disable_clk: clk_disable_unprepare(priv->mclk); return ret; } static int pm8916_wcd_analog_spmi_remove(struct platform_device *pdev) { struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(&pdev->dev); clk_disable_unprepare(priv->mclk); return 0; } static const struct of_device_id pm8916_wcd_analog_spmi_match_table[] = { { .compatible = "qcom,pm8916-wcd-analog-codec", }, { } }; MODULE_DEVICE_TABLE(of, pm8916_wcd_analog_spmi_match_table); static struct platform_driver pm8916_wcd_analog_spmi_driver = { .driver = { .name = "qcom,pm8916-wcd-spmi-codec", .of_match_table = pm8916_wcd_analog_spmi_match_table, }, .probe = pm8916_wcd_analog_spmi_probe, .remove = pm8916_wcd_analog_spmi_remove, }; module_platform_driver(pm8916_wcd_analog_spmi_driver); MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>"); MODULE_DESCRIPTION("PMIC PM8916 WCD Analog Codec driver"); MODULE_LICENSE("GPL v2");