diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/codecs/msm8916-wcd-analog.c | 1275 |
1 files changed, 1275 insertions, 0 deletions
diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c new file mode 100644 index 000000000..f4aba065c --- /dev/null +++ b/sound/soc/codecs/msm8916-wcd-analog.c @@ -0,0 +1,1275 @@ +#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 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 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_ext(struct snd_soc_component + *component, int event, + int reg, 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_component + *component, int event, + int reg, u32 cap_mode) +{ + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + snd_soc_component_update_bits(component, reg, MICB_1_EN_PULL_DOWN_EN_MASK, 0); + 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; + 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_ext1(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_ext(component, event, w->reg, + wcd->micbias1_cap_mode); +} + +static int pm8916_wcd_analog_enable_micbias_ext2(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_ext(component, event, w->reg, + wcd->micbias2_cap_mode); + +} + +static int pm8916_wcd_analog_enable_micbias_int1(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_1_INT_RBIAS, + MICB_1_INT_TX1_INT_RBIAS_EN_MASK, + MICB_1_INT_TX1_INT_RBIAS_EN_ENABLE); + break; + } + + return pm8916_wcd_analog_enable_micbias_int(component, event, w->reg, + wcd->micbias1_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_read32(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_1_INT_RBIAS, + MICB_1_INT_TX2_INT_RBIAS_EN_MASK, + MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE); + 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(component, event, w->reg, + wcd->micbias2_cap_mode); +} + +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); + /* fall through */ + 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 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_read32(component, CDC_D_REVISION1); + priv->codec_version = snd_soc_component_read32(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"}, + + /* Headset (RX MIX1 and RX MIX2) */ + {"HEADPHONE", NULL, "HPHL PA"}, + {"HEADPHONE", NULL, "HPHR PA"}, + + {"HPHL PA", NULL, "EAR_HPHL_CLK"}, + {"HPHR PA", 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 BIAS Internal1", NULL, "INT_LDO_H"}, + {"MIC BIAS Internal2", NULL, "INT_LDO_H"}, + {"MIC BIAS External1", NULL, "INT_LDO_H"}, + {"MIC BIAS External2", NULL, "INT_LDO_H"}, + {"MIC BIAS Internal1", NULL, "vdd-micbias"}, + {"MIC BIAS Internal2", NULL, "vdd-micbias"}, + {"MIC BIAS External1", NULL, "vdd-micbias"}, + {"MIC BIAS External2", NULL, "vdd-micbias"}, +}; + +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("HEADPHONE"), + + /* RX stuff */ + SND_SOC_DAPM_SUPPLY("INT_LDO_H", SND_SOC_NOPM, 1, 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 BIAS Internal1", CDC_A_MICB_1_EN, 7, 0, + pm8916_wcd_analog_enable_micbias_int1, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_2_EN, 7, 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 External1", CDC_A_MICB_1_EN, 7, 0, + pm8916_wcd_analog_enable_micbias_ext1, + SND_SOC_DAPM_POST_PMU), + SND_SOC_DAPM_SUPPLY("MIC BIAS External2", CDC_A_MICB_2_EN, 7, 0, + pm8916_wcd_analog_enable_micbias_ext2, + SND_SOC_DAPM_POST_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_read32(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_read32(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_read32(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_read32(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) { + dev_err(dev, "failed to get mbhc switch irq\n"); + return irq; + } + + 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) { + dev_err(dev, "failed to get button press irq\n"); + return irq; + } + + 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) { + dev_err(dev, "failed to get button release irq\n"); + return irq; + } + + 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)); +} + +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"); |