| // SPDX-License-Identifier: GPL-2.0 |
| // Copyright (c) 2022, Analog Devices Inc. |
| |
| #include <linux/gpio/consumer.h> |
| #include <linux/i2c.h> |
| #include <linux/module.h> |
| #include <sound/pcm_params.h> |
| #include <linux/regulator/consumer.h> |
| #include <sound/soc.h> |
| #include <sound/tlv.h> |
| #include "max98396.h" |
| |
| static const char * const max98396_core_supplies[MAX98396_NUM_CORE_SUPPLIES] = { |
| "avdd", |
| "dvdd", |
| "dvddio", |
| }; |
| |
| static struct reg_default max98396_reg[] = { |
| {MAX98396_R2000_SW_RESET, 0x00}, |
| {MAX98396_R2001_INT_RAW1, 0x00}, |
| {MAX98396_R2002_INT_RAW2, 0x00}, |
| {MAX98396_R2003_INT_RAW3, 0x00}, |
| {MAX98396_R2004_INT_RAW4, 0x00}, |
| {MAX98396_R2006_INT_STATE1, 0x00}, |
| {MAX98396_R2007_INT_STATE2, 0x00}, |
| {MAX98396_R2008_INT_STATE3, 0x00}, |
| {MAX98396_R2009_INT_STATE4, 0x00}, |
| {MAX98396_R200B_INT_FLAG1, 0x00}, |
| {MAX98396_R200C_INT_FLAG2, 0x00}, |
| {MAX98396_R200D_INT_FLAG3, 0x00}, |
| {MAX98396_R200E_INT_FLAG4, 0x00}, |
| {MAX98396_R2010_INT_EN1, 0x02}, |
| {MAX98396_R2011_INT_EN2, 0x00}, |
| {MAX98396_R2012_INT_EN3, 0x00}, |
| {MAX98396_R2013_INT_EN4, 0x00}, |
| {MAX98396_R2015_INT_FLAG_CLR1, 0x00}, |
| {MAX98396_R2016_INT_FLAG_CLR2, 0x00}, |
| {MAX98396_R2017_INT_FLAG_CLR3, 0x00}, |
| {MAX98396_R2018_INT_FLAG_CLR4, 0x00}, |
| {MAX98396_R201F_IRQ_CTRL, 0x00}, |
| {MAX98396_R2020_THERM_WARN_THRESH, 0x46}, |
| {MAX98396_R2021_THERM_WARN_THRESH2, 0x46}, |
| {MAX98396_R2022_THERM_SHDN_THRESH, 0x64}, |
| {MAX98396_R2023_THERM_HYSTERESIS, 0x02}, |
| {MAX98396_R2024_THERM_FOLDBACK_SET, 0xC5}, |
| {MAX98396_R2027_THERM_FOLDBACK_EN, 0x01}, |
| {MAX98396_R2030_NOISEGATE_MODE_CTRL, 0x32}, |
| {MAX98396_R2033_NOISEGATE_MODE_EN, 0x00}, |
| {MAX98396_R2038_CLK_MON_CTRL, 0x00}, |
| {MAX98396_R2039_DATA_MON_CTRL, 0x00}, |
| {MAX98396_R203F_ENABLE_CTRLS, 0x0F}, |
| {MAX98396_R2040_PIN_CFG, 0x55}, |
| {MAX98396_R2041_PCM_MODE_CFG, 0xC0}, |
| {MAX98396_R2042_PCM_CLK_SETUP, 0x04}, |
| {MAX98396_R2043_PCM_SR_SETUP, 0x88}, |
| {MAX98396_R2044_PCM_TX_CTRL_1, 0x00}, |
| {MAX98396_R2045_PCM_TX_CTRL_2, 0x00}, |
| {MAX98396_R2046_PCM_TX_CTRL_3, 0x00}, |
| {MAX98396_R2047_PCM_TX_CTRL_4, 0x00}, |
| {MAX98396_R2048_PCM_TX_CTRL_5, 0x00}, |
| {MAX98396_R2049_PCM_TX_CTRL_6, 0x00}, |
| {MAX98396_R204A_PCM_TX_CTRL_7, 0x00}, |
| {MAX98396_R204B_PCM_TX_CTRL_8, 0x00}, |
| {MAX98396_R204C_PCM_TX_HIZ_CTRL_1, 0xFF}, |
| {MAX98396_R204D_PCM_TX_HIZ_CTRL_2, 0xFF}, |
| {MAX98396_R204E_PCM_TX_HIZ_CTRL_3, 0xFF}, |
| {MAX98396_R204F_PCM_TX_HIZ_CTRL_4, 0xFF}, |
| {MAX98396_R2050_PCM_TX_HIZ_CTRL_5, 0xFF}, |
| {MAX98396_R2051_PCM_TX_HIZ_CTRL_6, 0xFF}, |
| {MAX98396_R2052_PCM_TX_HIZ_CTRL_7, 0xFF}, |
| {MAX98396_R2053_PCM_TX_HIZ_CTRL_8, 0xFF}, |
| {MAX98396_R2055_PCM_RX_SRC1, 0x00}, |
| {MAX98396_R2056_PCM_RX_SRC2, 0x00}, |
| {MAX98396_R2058_PCM_BYPASS_SRC, 0x00}, |
| {MAX98396_R205D_PCM_TX_SRC_EN, 0x00}, |
| {MAX98396_R205E_PCM_RX_EN, 0x00}, |
| {MAX98396_R205F_PCM_TX_EN, 0x00}, |
| {MAX98396_R2070_ICC_RX_EN_A, 0x00}, |
| {MAX98396_R2071_ICC_RX_EN_B, 0x00}, |
| {MAX98396_R2072_ICC_TX_CTRL, 0x00}, |
| {MAX98396_R207F_ICC_EN, 0x00}, |
| {MAX98396_R2083_TONE_GEN_DC_CFG, 0x04}, |
| {MAX98396_R2084_TONE_GEN_DC_LVL1, 0x00}, |
| {MAX98396_R2085_TONE_GEN_DC_LVL2, 0x00}, |
| {MAX98396_R2086_TONE_GEN_DC_LVL3, 0x00}, |
| {MAX98396_R208F_TONE_GEN_EN, 0x00}, |
| {MAX98396_R2090_AMP_VOL_CTRL, 0x00}, |
| {MAX98396_R2091_AMP_PATH_GAIN, 0x0B}, |
| {MAX98396_R2092_AMP_DSP_CFG, 0x23}, |
| {MAX98396_R2093_SSM_CFG, 0x0D}, |
| {MAX98396_R2094_SPK_CLS_DG_THRESH, 0x12}, |
| {MAX98396_R2095_SPK_CLS_DG_HDR, 0x17}, |
| {MAX98396_R2096_SPK_CLS_DG_HOLD_TIME, 0x17}, |
| {MAX98396_R2097_SPK_CLS_DG_DELAY, 0x00}, |
| {MAX98396_R2098_SPK_CLS_DG_MODE, 0x00}, |
| {MAX98396_R2099_SPK_CLS_DG_VBAT_LVL, 0x03}, |
| {MAX98396_R209A_SPK_EDGE_CTRL, 0x00}, |
| {MAX98396_R209C_SPK_EDGE_CTRL1, 0x0A}, |
| {MAX98396_R209D_SPK_EDGE_CTRL2, 0xAA}, |
| {MAX98396_R209E_AMP_CLIP_GAIN, 0x00}, |
| {MAX98396_R209F_BYPASS_PATH_CFG, 0x00}, |
| {MAX98396_R20A0_AMP_SUPPLY_CTL, 0x00}, |
| {MAX98396_R20AF_AMP_EN, 0x00}, |
| {MAX98396_R20B0_ADC_SR, 0x30}, |
| {MAX98396_R20B1_ADC_PVDD_CFG, 0x00}, |
| {MAX98396_R20B2_ADC_VBAT_CFG, 0x00}, |
| {MAX98396_R20B3_ADC_THERMAL_CFG, 0x00}, |
| {MAX98396_R20B4_ADC_READBACK_CTRL1, 0x00}, |
| {MAX98396_R20B5_ADC_READBACK_CTRL2, 0x00}, |
| {MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0x00}, |
| {MAX98396_R20B7_ADC_PVDD_READBACK_LSB, 0x00}, |
| {MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0x00}, |
| {MAX98396_R20B9_ADC_VBAT_READBACK_LSB, 0x00}, |
| {MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0x00}, |
| {MAX98396_R20BB_ADC_TEMP_READBACK_LSB, 0x00}, |
| {MAX98396_R20BC_ADC_LO_PVDD_READBACK_MSB, 0x00}, |
| {MAX98396_R20BD_ADC_LO_PVDD_READBACK_LSB, 0x00}, |
| {MAX98396_R20BE_ADC_LO_VBAT_READBACK_MSB, 0x00}, |
| {MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB, 0x00}, |
| {MAX98396_R20C7_ADC_CFG, 0x00}, |
| {MAX98396_R20D0_DHT_CFG1, 0x00}, |
| {MAX98396_R20D1_LIMITER_CFG1, 0x08}, |
| {MAX98396_R20D2_LIMITER_CFG2, 0x00}, |
| {MAX98396_R20D3_DHT_CFG2, 0x14}, |
| {MAX98396_R20D4_DHT_CFG3, 0x02}, |
| {MAX98396_R20D5_DHT_CFG4, 0x04}, |
| {MAX98396_R20D6_DHT_HYSTERESIS_CFG, 0x07}, |
| {MAX98396_R20DF_DHT_EN, 0x00}, |
| {MAX98396_R20E0_IV_SENSE_PATH_CFG, 0x04}, |
| {MAX98396_R20E4_IV_SENSE_PATH_EN, 0x00}, |
| {MAX98396_R20E5_BPE_STATE, 0x00}, |
| {MAX98396_R20E6_BPE_L3_THRESH_MSB, 0x00}, |
| {MAX98396_R20E7_BPE_L3_THRESH_LSB, 0x00}, |
| {MAX98396_R20E8_BPE_L2_THRESH_MSB, 0x00}, |
| {MAX98396_R20E9_BPE_L2_THRESH_LSB, 0x00}, |
| {MAX98396_R20EA_BPE_L1_THRESH_MSB, 0x00}, |
| {MAX98396_R20EB_BPE_L1_THRESH_LSB, 0x00}, |
| {MAX98396_R20EC_BPE_L0_THRESH_MSB, 0x00}, |
| {MAX98396_R20ED_BPE_L0_THRESH_LSB, 0x00}, |
| {MAX98396_R20EE_BPE_L3_DWELL_HOLD_TIME, 0x00}, |
| {MAX98396_R20EF_BPE_L2_DWELL_HOLD_TIME, 0x00}, |
| {MAX98396_R20F0_BPE_L1_DWELL_HOLD_TIME, 0x00}, |
| {MAX98396_R20F1_BPE_L0_HOLD_TIME, 0x00}, |
| {MAX98396_R20F2_BPE_L3_ATTACK_REL_STEP, 0x00}, |
| {MAX98396_R20F3_BPE_L2_ATTACK_REL_STEP, 0x00}, |
| {MAX98396_R20F4_BPE_L1_ATTACK_REL_STEP, 0x00}, |
| {MAX98396_R20F5_BPE_L0_ATTACK_REL_STEP, 0x00}, |
| {MAX98396_R20F6_BPE_L3_MAX_GAIN_ATTN, 0x00}, |
| {MAX98396_R20F7_BPE_L2_MAX_GAIN_ATTN, 0x00}, |
| {MAX98396_R20F8_BPE_L1_MAX_GAIN_ATTN, 0x00}, |
| {MAX98396_R20F9_BPE_L0_MAX_GAIN_ATTN, 0x00}, |
| {MAX98396_R20FA_BPE_L3_ATT_REL_RATE, 0x00}, |
| {MAX98396_R20FB_BPE_L2_ATT_REL_RATE, 0x00}, |
| {MAX98396_R20FC_BPE_L1_ATT_REL_RATE, 0x00}, |
| {MAX98396_R20FD_BPE_L0_ATT_REL_RATE, 0x00}, |
| {MAX98396_R20FE_BPE_L3_LIMITER_CFG, 0x00}, |
| {MAX98396_R20FF_BPE_L2_LIMITER_CFG, 0x00}, |
| {MAX98396_R2100_BPE_L1_LIMITER_CFG, 0x00}, |
| {MAX98396_R2101_BPE_L0_LIMITER_CFG, 0x00}, |
| {MAX98396_R2102_BPE_L3_LIM_ATT_REL_RATE, 0x00}, |
| {MAX98396_R2103_BPE_L2_LIM_ATT_REL_RATE, 0x00}, |
| {MAX98396_R2104_BPE_L1_LIM_ATT_REL_RATE, 0x00}, |
| {MAX98396_R2105_BPE_L0_LIM_ATT_REL_RATE, 0x00}, |
| {MAX98396_R2106_BPE_THRESH_HYSTERESIS, 0x00}, |
| {MAX98396_R2107_BPE_INFINITE_HOLD_CLR, 0x00}, |
| {MAX98396_R2108_BPE_SUPPLY_SRC, 0x00}, |
| {MAX98396_R2109_BPE_LOW_STATE, 0x00}, |
| {MAX98396_R210A_BPE_LOW_GAIN, 0x00}, |
| {MAX98396_R210B_BPE_LOW_LIMITER, 0x00}, |
| {MAX98396_R210D_BPE_EN, 0x00}, |
| {MAX98396_R210E_AUTO_RESTART, 0x00}, |
| {MAX98396_R210F_GLOBAL_EN, 0x00}, |
| {MAX98396_R21FF_REVISION_ID, 0x00}, |
| }; |
| |
| static struct reg_default max98397_reg[] = { |
| {MAX98396_R2000_SW_RESET, 0x00}, |
| {MAX98396_R2001_INT_RAW1, 0x00}, |
| {MAX98396_R2002_INT_RAW2, 0x00}, |
| {MAX98396_R2003_INT_RAW3, 0x00}, |
| {MAX98396_R2004_INT_RAW4, 0x00}, |
| {MAX98396_R2006_INT_STATE1, 0x00}, |
| {MAX98396_R2007_INT_STATE2, 0x00}, |
| {MAX98396_R2008_INT_STATE3, 0x00}, |
| {MAX98396_R2009_INT_STATE4, 0x00}, |
| {MAX98396_R200B_INT_FLAG1, 0x00}, |
| {MAX98396_R200C_INT_FLAG2, 0x00}, |
| {MAX98396_R200D_INT_FLAG3, 0x00}, |
| {MAX98396_R200E_INT_FLAG4, 0x00}, |
| {MAX98396_R2010_INT_EN1, 0x02}, |
| {MAX98396_R2011_INT_EN2, 0x00}, |
| {MAX98396_R2012_INT_EN3, 0x00}, |
| {MAX98396_R2013_INT_EN4, 0x00}, |
| {MAX98396_R2015_INT_FLAG_CLR1, 0x00}, |
| {MAX98396_R2016_INT_FLAG_CLR2, 0x00}, |
| {MAX98396_R2017_INT_FLAG_CLR3, 0x00}, |
| {MAX98396_R2018_INT_FLAG_CLR4, 0x00}, |
| {MAX98396_R201F_IRQ_CTRL, 0x00}, |
| {MAX98396_R2020_THERM_WARN_THRESH, 0x46}, |
| {MAX98396_R2021_THERM_WARN_THRESH2, 0x46}, |
| {MAX98396_R2022_THERM_SHDN_THRESH, 0x64}, |
| {MAX98396_R2023_THERM_HYSTERESIS, 0x02}, |
| {MAX98396_R2024_THERM_FOLDBACK_SET, 0xC5}, |
| {MAX98396_R2027_THERM_FOLDBACK_EN, 0x01}, |
| {MAX98396_R2030_NOISEGATE_MODE_CTRL, 0x32}, |
| {MAX98396_R2033_NOISEGATE_MODE_EN, 0x00}, |
| {MAX98396_R2038_CLK_MON_CTRL, 0x00}, |
| {MAX98396_R2039_DATA_MON_CTRL, 0x00}, |
| {MAX98397_R203A_SPK_MON_THRESH, 0x03}, |
| {MAX98396_R203F_ENABLE_CTRLS, 0x0F}, |
| {MAX98396_R2040_PIN_CFG, 0x55}, |
| {MAX98396_R2041_PCM_MODE_CFG, 0xC0}, |
| {MAX98396_R2042_PCM_CLK_SETUP, 0x04}, |
| {MAX98396_R2043_PCM_SR_SETUP, 0x88}, |
| {MAX98396_R2044_PCM_TX_CTRL_1, 0x00}, |
| {MAX98396_R2045_PCM_TX_CTRL_2, 0x00}, |
| {MAX98396_R2046_PCM_TX_CTRL_3, 0x00}, |
| {MAX98396_R2047_PCM_TX_CTRL_4, 0x00}, |
| {MAX98396_R2048_PCM_TX_CTRL_5, 0x00}, |
| {MAX98396_R2049_PCM_TX_CTRL_6, 0x00}, |
| {MAX98396_R204A_PCM_TX_CTRL_7, 0x00}, |
| {MAX98396_R204B_PCM_TX_CTRL_8, 0x00}, |
| {MAX98397_R204C_PCM_TX_CTRL_9, 0x00}, |
| {MAX98397_R204D_PCM_TX_HIZ_CTRL_1, 0xFF}, |
| {MAX98397_R204E_PCM_TX_HIZ_CTRL_2, 0xFF}, |
| {MAX98397_R204F_PCM_TX_HIZ_CTRL_3, 0xFF}, |
| {MAX98397_R2050_PCM_TX_HIZ_CTRL_4, 0xFF}, |
| {MAX98397_R2051_PCM_TX_HIZ_CTRL_5, 0xFF}, |
| {MAX98397_R2052_PCM_TX_HIZ_CTRL_6, 0xFF}, |
| {MAX98397_R2053_PCM_TX_HIZ_CTRL_7, 0xFF}, |
| {MAX98397_R2054_PCM_TX_HIZ_CTRL_8, 0xFF}, |
| {MAX98397_R2056_PCM_RX_SRC1, 0x00}, |
| {MAX98397_R2057_PCM_RX_SRC2, 0x00}, |
| {MAX98396_R2058_PCM_BYPASS_SRC, 0x00}, |
| {MAX98396_R205D_PCM_TX_SRC_EN, 0x00}, |
| {MAX98396_R205E_PCM_RX_EN, 0x00}, |
| {MAX98396_R205F_PCM_TX_EN, 0x00}, |
| {MAX98397_R2060_PCM_TX_SUPPLY_SEL, 0x00}, |
| {MAX98396_R2070_ICC_RX_EN_A, 0x00}, |
| {MAX98396_R2071_ICC_RX_EN_B, 0x00}, |
| {MAX98396_R2072_ICC_TX_CTRL, 0x00}, |
| {MAX98396_R207F_ICC_EN, 0x00}, |
| {MAX98396_R2083_TONE_GEN_DC_CFG, 0x04}, |
| {MAX98396_R2084_TONE_GEN_DC_LVL1, 0x00}, |
| {MAX98396_R2085_TONE_GEN_DC_LVL2, 0x00}, |
| {MAX98396_R2086_TONE_GEN_DC_LVL3, 0x00}, |
| {MAX98396_R208F_TONE_GEN_EN, 0x00}, |
| {MAX98396_R2090_AMP_VOL_CTRL, 0x00}, |
| {MAX98396_R2091_AMP_PATH_GAIN, 0x12}, |
| {MAX98396_R2092_AMP_DSP_CFG, 0x22}, |
| {MAX98396_R2093_SSM_CFG, 0x08}, |
| {MAX98396_R2094_SPK_CLS_DG_THRESH, 0x12}, |
| {MAX98396_R2095_SPK_CLS_DG_HDR, 0x17}, |
| {MAX98396_R2096_SPK_CLS_DG_HOLD_TIME, 0x17}, |
| {MAX98396_R2097_SPK_CLS_DG_DELAY, 0x00}, |
| {MAX98396_R2098_SPK_CLS_DG_MODE, 0x00}, |
| {MAX98396_R2099_SPK_CLS_DG_VBAT_LVL, 0x03}, |
| {MAX98396_R209A_SPK_EDGE_CTRL, 0x00}, |
| {MAX98397_R209B_SPK_PATH_WB_ONLY, 0x00}, |
| {MAX98396_R209C_SPK_EDGE_CTRL1, 0x03}, |
| {MAX98396_R209D_SPK_EDGE_CTRL2, 0xFC}, |
| {MAX98396_R209E_AMP_CLIP_GAIN, 0x00}, |
| {MAX98396_R209F_BYPASS_PATH_CFG, 0x00}, |
| {MAX98396_R20AF_AMP_EN, 0x00}, |
| {MAX98396_R20B0_ADC_SR, 0x30}, |
| {MAX98396_R20B1_ADC_PVDD_CFG, 0x00}, |
| {MAX98396_R20B2_ADC_VBAT_CFG, 0x00}, |
| {MAX98396_R20B3_ADC_THERMAL_CFG, 0x00}, |
| {MAX98397_R20B4_ADC_VDDH_CFG, 0x00}, |
| {MAX98397_R20B5_ADC_READBACK_CTRL1, 0x00}, |
| {MAX98397_R20B6_ADC_READBACK_CTRL2, 0x00}, |
| {MAX98397_R20B7_ADC_PVDD_READBACK_MSB, 0x00}, |
| {MAX98397_R20B8_ADC_PVDD_READBACK_LSB, 0x00}, |
| {MAX98397_R20B9_ADC_VBAT_READBACK_MSB, 0x00}, |
| {MAX98397_R20BA_ADC_VBAT_READBACK_LSB, 0x00}, |
| {MAX98397_R20BB_ADC_TEMP_READBACK_MSB, 0x00}, |
| {MAX98397_R20BC_ADC_TEMP_READBACK_LSB, 0x00}, |
| {MAX98397_R20BD_ADC_VDDH__READBACK_MSB, 0x00}, |
| {MAX98397_R20BE_ADC_VDDH_READBACK_LSB, 0x00}, |
| {MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB, 0x00}, |
| {MAX98397_R20C3_ADC_LO_VDDH_READBACK_MSB, 0x00}, |
| {MAX98397_R20C4_ADC_LO_VDDH_READBACK_LSB, 0x00}, |
| {MAX98397_R20C5_MEAS_ADC_OPTIMAL_MODE, 0x04}, |
| {MAX98396_R20C7_ADC_CFG, 0x00}, |
| {MAX98396_R20D0_DHT_CFG1, 0x00}, |
| {MAX98396_R20D1_LIMITER_CFG1, 0x08}, |
| {MAX98396_R20D2_LIMITER_CFG2, 0x00}, |
| {MAX98396_R20D3_DHT_CFG2, 0x14}, |
| {MAX98396_R20D4_DHT_CFG3, 0x02}, |
| {MAX98396_R20D5_DHT_CFG4, 0x04}, |
| {MAX98396_R20D6_DHT_HYSTERESIS_CFG, 0x07}, |
| {MAX98396_R20DF_DHT_EN, 0x00}, |
| {MAX98396_R20E0_IV_SENSE_PATH_CFG, 0x04}, |
| {MAX98396_R20E4_IV_SENSE_PATH_EN, 0x00}, |
| {MAX98396_R20E5_BPE_STATE, 0x00}, |
| {MAX98396_R20E6_BPE_L3_THRESH_MSB, 0x00}, |
| {MAX98396_R20E7_BPE_L3_THRESH_LSB, 0x00}, |
| {MAX98396_R20E8_BPE_L2_THRESH_MSB, 0x00}, |
| {MAX98396_R20E9_BPE_L2_THRESH_LSB, 0x00}, |
| {MAX98396_R20EA_BPE_L1_THRESH_MSB, 0x00}, |
| {MAX98396_R20EB_BPE_L1_THRESH_LSB, 0x00}, |
| {MAX98396_R20EC_BPE_L0_THRESH_MSB, 0x00}, |
| {MAX98396_R20ED_BPE_L0_THRESH_LSB, 0x00}, |
| {MAX98396_R20EE_BPE_L3_DWELL_HOLD_TIME, 0x00}, |
| {MAX98396_R20EF_BPE_L2_DWELL_HOLD_TIME, 0x00}, |
| {MAX98396_R20F0_BPE_L1_DWELL_HOLD_TIME, 0x00}, |
| {MAX98396_R20F1_BPE_L0_HOLD_TIME, 0x00}, |
| {MAX98396_R20F2_BPE_L3_ATTACK_REL_STEP, 0x00}, |
| {MAX98396_R20F3_BPE_L2_ATTACK_REL_STEP, 0x00}, |
| {MAX98396_R20F4_BPE_L1_ATTACK_REL_STEP, 0x00}, |
| {MAX98396_R20F5_BPE_L0_ATTACK_REL_STEP, 0x00}, |
| {MAX98396_R20F6_BPE_L3_MAX_GAIN_ATTN, 0x00}, |
| {MAX98396_R20F7_BPE_L2_MAX_GAIN_ATTN, 0x00}, |
| {MAX98396_R20F8_BPE_L1_MAX_GAIN_ATTN, 0x00}, |
| {MAX98396_R20F9_BPE_L0_MAX_GAIN_ATTN, 0x00}, |
| {MAX98396_R20FA_BPE_L3_ATT_REL_RATE, 0x00}, |
| {MAX98396_R20FB_BPE_L2_ATT_REL_RATE, 0x00}, |
| {MAX98396_R20FC_BPE_L1_ATT_REL_RATE, 0x00}, |
| {MAX98396_R20FD_BPE_L0_ATT_REL_RATE, 0x00}, |
| {MAX98396_R20FE_BPE_L3_LIMITER_CFG, 0x00}, |
| {MAX98396_R20FF_BPE_L2_LIMITER_CFG, 0x00}, |
| {MAX98396_R2100_BPE_L1_LIMITER_CFG, 0x00}, |
| {MAX98396_R2101_BPE_L0_LIMITER_CFG, 0x00}, |
| {MAX98396_R2102_BPE_L3_LIM_ATT_REL_RATE, 0x00}, |
| {MAX98396_R2103_BPE_L2_LIM_ATT_REL_RATE, 0x00}, |
| {MAX98396_R2104_BPE_L1_LIM_ATT_REL_RATE, 0x00}, |
| {MAX98396_R2105_BPE_L0_LIM_ATT_REL_RATE, 0x00}, |
| {MAX98396_R2106_BPE_THRESH_HYSTERESIS, 0x00}, |
| {MAX98396_R2107_BPE_INFINITE_HOLD_CLR, 0x00}, |
| {MAX98396_R2108_BPE_SUPPLY_SRC, 0x00}, |
| {MAX98396_R2109_BPE_LOW_STATE, 0x00}, |
| {MAX98396_R210A_BPE_LOW_GAIN, 0x00}, |
| {MAX98396_R210B_BPE_LOW_LIMITER, 0x00}, |
| {MAX98396_R210D_BPE_EN, 0x00}, |
| {MAX98396_R210E_AUTO_RESTART, 0x00}, |
| {MAX98396_R210F_GLOBAL_EN, 0x00}, |
| {MAX98397_R22FF_REVISION_ID, 0x00}, |
| }; |
| |
| static void max98396_global_enable_onoff(struct regmap *regmap, bool onoff) |
| { |
| regmap_write(regmap, MAX98396_R210F_GLOBAL_EN, onoff ? 1 : 0); |
| usleep_range(11000, 12000); |
| } |
| |
| static int max98396_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) |
| { |
| struct snd_soc_component *component = codec_dai->component; |
| struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); |
| unsigned int format_mask, format = 0; |
| unsigned int bclk_pol = 0; |
| int ret, status; |
| int reg; |
| bool update = false; |
| |
| format_mask = MAX98396_PCM_MODE_CFG_FORMAT_MASK | |
| MAX98396_PCM_MODE_CFG_LRCLKEDGE; |
| |
| dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt); |
| |
| switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| case SND_SOC_DAIFMT_NB_NF: |
| break; |
| case SND_SOC_DAIFMT_NB_IF: |
| format = MAX98396_PCM_MODE_CFG_LRCLKEDGE; |
| break; |
| case SND_SOC_DAIFMT_IB_NF: |
| bclk_pol = MAX98396_PCM_MODE_CFG_BCLKEDGE; |
| break; |
| case SND_SOC_DAIFMT_IB_IF: |
| bclk_pol = MAX98396_PCM_MODE_CFG_BCLKEDGE; |
| format = MAX98396_PCM_MODE_CFG_LRCLKEDGE; |
| break; |
| |
| default: |
| dev_err(component->dev, "DAI invert mode %d unsupported\n", |
| fmt & SND_SOC_DAIFMT_INV_MASK); |
| return -EINVAL; |
| } |
| |
| /* interface format */ |
| switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| case SND_SOC_DAIFMT_I2S: |
| format |= MAX98396_PCM_FORMAT_I2S; |
| break; |
| case SND_SOC_DAIFMT_LEFT_J: |
| format |= MAX98396_PCM_FORMAT_LJ; |
| break; |
| case SND_SOC_DAIFMT_DSP_A: |
| format |= MAX98396_PCM_FORMAT_TDM_MODE1; |
| break; |
| case SND_SOC_DAIFMT_DSP_B: |
| format |= MAX98396_PCM_FORMAT_TDM_MODE0; |
| break; |
| default: |
| dev_err(component->dev, "DAI format %d unsupported\n", |
| fmt & SND_SOC_DAIFMT_FORMAT_MASK); |
| return -EINVAL; |
| } |
| |
| ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status); |
| if (ret < 0) |
| return -EINVAL; |
| |
| if (status) { |
| ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, ®); |
| if (ret < 0) |
| return -EINVAL; |
| if (format != (reg & format_mask)) { |
| update = true; |
| } else { |
| ret = regmap_read(max98396->regmap, |
| MAX98396_R2042_PCM_CLK_SETUP, ®); |
| if (ret < 0) |
| return -EINVAL; |
| if (bclk_pol != (reg & MAX98396_PCM_MODE_CFG_BCLKEDGE)) |
| update = true; |
| } |
| /* GLOBAL_EN OFF prior to pcm mode, clock configuration change */ |
| if (update) |
| max98396_global_enable_onoff(max98396->regmap, false); |
| } |
| |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2041_PCM_MODE_CFG, |
| format_mask, format); |
| |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2042_PCM_CLK_SETUP, |
| MAX98396_PCM_MODE_CFG_BCLKEDGE, |
| bclk_pol); |
| |
| if (status && update) |
| max98396_global_enable_onoff(max98396->regmap, true); |
| |
| return 0; |
| } |
| |
| #define MAX98396_BSEL_32 0x2 |
| #define MAX98396_BSEL_48 0x3 |
| #define MAX98396_BSEL_64 0x4 |
| #define MAX98396_BSEL_96 0x5 |
| #define MAX98396_BSEL_128 0x6 |
| #define MAX98396_BSEL_192 0x7 |
| #define MAX98396_BSEL_256 0x8 |
| #define MAX98396_BSEL_384 0x9 |
| #define MAX98396_BSEL_512 0xa |
| #define MAX98396_BSEL_320 0xb |
| #define MAX98396_BSEL_250 0xc |
| #define MAX98396_BSEL_125 0xd |
| |
| /* Refer to table 5 in the datasheet */ |
| static const struct max98396_pcm_config { |
| int in, out, width, bsel, max_sr; |
| } max98396_pcm_configs[] = { |
| { .in = 2, .out = 4, .width = 16, .bsel = MAX98396_BSEL_32, .max_sr = 192000 }, |
| { .in = 2, .out = 6, .width = 24, .bsel = MAX98396_BSEL_48, .max_sr = 192000 }, |
| { .in = 2, .out = 8, .width = 32, .bsel = MAX98396_BSEL_64, .max_sr = 192000 }, |
| { .in = 3, .out = 15, .width = 32, .bsel = MAX98396_BSEL_125, .max_sr = 192000 }, |
| { .in = 4, .out = 8, .width = 16, .bsel = MAX98396_BSEL_64, .max_sr = 192000 }, |
| { .in = 4, .out = 12, .width = 24, .bsel = MAX98396_BSEL_96, .max_sr = 192000 }, |
| { .in = 4, .out = 16, .width = 32, .bsel = MAX98396_BSEL_128, .max_sr = 192000 }, |
| { .in = 5, .out = 15, .width = 24, .bsel = MAX98396_BSEL_125, .max_sr = 192000 }, |
| { .in = 7, .out = 15, .width = 16, .bsel = MAX98396_BSEL_125, .max_sr = 192000 }, |
| { .in = 2, .out = 4, .width = 16, .bsel = MAX98396_BSEL_32, .max_sr = 96000 }, |
| { .in = 2, .out = 6, .width = 24, .bsel = MAX98396_BSEL_48, .max_sr = 96000 }, |
| { .in = 2, .out = 8, .width = 32, .bsel = MAX98396_BSEL_64, .max_sr = 96000 }, |
| { .in = 3, .out = 15, .width = 32, .bsel = MAX98396_BSEL_125, .max_sr = 96000 }, |
| { .in = 4, .out = 8, .width = 16, .bsel = MAX98396_BSEL_64, .max_sr = 96000 }, |
| { .in = 4, .out = 12, .width = 24, .bsel = MAX98396_BSEL_96, .max_sr = 96000 }, |
| { .in = 4, .out = 16, .width = 32, .bsel = MAX98396_BSEL_128, .max_sr = 96000 }, |
| { .in = 5, .out = 15, .width = 24, .bsel = MAX98396_BSEL_125, .max_sr = 96000 }, |
| { .in = 7, .out = 15, .width = 16, .bsel = MAX98396_BSEL_125, .max_sr = 96000 }, |
| { .in = 7, .out = 31, .width = 32, .bsel = MAX98396_BSEL_250, .max_sr = 96000 }, |
| { .in = 8, .out = 16, .width = 16, .bsel = MAX98396_BSEL_128, .max_sr = 96000 }, |
| { .in = 8, .out = 24, .width = 24, .bsel = MAX98396_BSEL_192, .max_sr = 96000 }, |
| { .in = 8, .out = 32, .width = 32, .bsel = MAX98396_BSEL_256, .max_sr = 96000 }, |
| { .in = 10, .out = 31, .width = 24, .bsel = MAX98396_BSEL_250, .max_sr = 96000 }, |
| { .in = 15, .out = 31, .width = 16, .bsel = MAX98396_BSEL_250, .max_sr = 96000 }, |
| { .in = 16, .out = 32, .width = 16, .bsel = MAX98396_BSEL_256, .max_sr = 96000 }, |
| { .in = 7, .out = 31, .width = 32, .bsel = MAX98396_BSEL_250, .max_sr = 48000 }, |
| { .in = 10, .out = 31, .width = 24, .bsel = MAX98396_BSEL_250, .max_sr = 48000 }, |
| { .in = 10, .out = 40, .width = 32, .bsel = MAX98396_BSEL_320, .max_sr = 48000 }, |
| { .in = 15, .out = 31, .width = 16, .bsel = MAX98396_BSEL_250, .max_sr = 48000 }, |
| { .in = 16, .out = 48, .width = 24, .bsel = MAX98396_BSEL_384, .max_sr = 48000 }, |
| { .in = 16, .out = 64, .width = 32, .bsel = MAX98396_BSEL_512, .max_sr = 48000 }, |
| }; |
| |
| static int max98396_pcm_config_index(int in_slots, int out_slots, int width) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(max98396_pcm_configs); i++) { |
| const struct max98396_pcm_config *c = &max98396_pcm_configs[i]; |
| |
| if (in_slots == c->in && out_slots <= c->out && width == c->width) |
| return i; |
| } |
| |
| return -1; |
| } |
| |
| static int max98396_dai_hw_params(struct snd_pcm_substream *substream, |
| struct snd_pcm_hw_params *params, |
| struct snd_soc_dai *dai) |
| { |
| struct snd_soc_component *component = dai->component; |
| struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); |
| unsigned int sampling_rate = 0; |
| unsigned int chan_sz = 0; |
| int ret, reg, status, bsel = 0; |
| bool update = false; |
| |
| /* pcm mode configuration */ |
| switch (snd_pcm_format_width(params_format(params))) { |
| case 16: |
| chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_16; |
| break; |
| case 24: |
| chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_24; |
| break; |
| case 32: |
| chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_32; |
| break; |
| default: |
| dev_err(component->dev, "format unsupported %d\n", |
| params_format(params)); |
| goto err; |
| } |
| |
| dev_dbg(component->dev, "format supported %d", |
| params_format(params)); |
| |
| /* sampling rate configuration */ |
| switch (params_rate(params)) { |
| case 8000: |
| sampling_rate = MAX98396_PCM_SR_8000; |
| break; |
| case 11025: |
| sampling_rate = MAX98396_PCM_SR_11025; |
| break; |
| case 12000: |
| sampling_rate = MAX98396_PCM_SR_12000; |
| break; |
| case 16000: |
| sampling_rate = MAX98396_PCM_SR_16000; |
| break; |
| case 22050: |
| sampling_rate = MAX98396_PCM_SR_22050; |
| break; |
| case 24000: |
| sampling_rate = MAX98396_PCM_SR_24000; |
| break; |
| case 32000: |
| sampling_rate = MAX98396_PCM_SR_32000; |
| break; |
| case 44100: |
| sampling_rate = MAX98396_PCM_SR_44100; |
| break; |
| case 48000: |
| sampling_rate = MAX98396_PCM_SR_48000; |
| break; |
| case 88200: |
| sampling_rate = MAX98396_PCM_SR_88200; |
| break; |
| case 96000: |
| sampling_rate = MAX98396_PCM_SR_96000; |
| break; |
| case 192000: |
| sampling_rate = MAX98396_PCM_SR_192000; |
| break; |
| default: |
| dev_err(component->dev, "rate %d not supported\n", |
| params_rate(params)); |
| goto err; |
| } |
| |
| if (max98396->tdm_mode) { |
| if (params_rate(params) > max98396->tdm_max_samplerate) { |
| dev_err(component->dev, "TDM sample rate %d too high", |
| params_rate(params)); |
| goto err; |
| } |
| } else { |
| /* BCLK configuration */ |
| ret = max98396_pcm_config_index(params_channels(params), |
| params_channels(params), |
| snd_pcm_format_width(params_format(params))); |
| if (ret < 0) { |
| dev_err(component->dev, |
| "no PCM config for %d channels, format %d\n", |
| params_channels(params), params_format(params)); |
| goto err; |
| } |
| |
| bsel = max98396_pcm_configs[ret].bsel; |
| |
| if (params_rate(params) > max98396_pcm_configs[ret].max_sr) { |
| dev_err(component->dev, "sample rate %d too high", |
| params_rate(params)); |
| goto err; |
| } |
| } |
| |
| ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status); |
| if (ret < 0) |
| goto err; |
| |
| if (status) { |
| ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, ®); |
| if (ret < 0) |
| goto err; |
| if (chan_sz != (reg & MAX98396_PCM_MODE_CFG_CHANSZ_MASK)) { |
| update = true; |
| } else { |
| ret = regmap_read(max98396->regmap, MAX98396_R2043_PCM_SR_SETUP, ®); |
| if (ret < 0) |
| goto err; |
| if (sampling_rate != (reg & MAX98396_PCM_SR_MASK)) |
| update = true; |
| } |
| |
| /* GLOBAL_EN OFF prior to channel size and sampling rate change */ |
| if (update) |
| max98396_global_enable_onoff(max98396->regmap, false); |
| } |
| |
| /* set channel size */ |
| regmap_update_bits(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, |
| MAX98396_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); |
| |
| /* set DAI_SR to correct LRCLK frequency */ |
| regmap_update_bits(max98396->regmap, MAX98396_R2043_PCM_SR_SETUP, |
| MAX98396_PCM_SR_MASK, sampling_rate); |
| |
| /* set sampling rate of IV */ |
| if (max98396->interleave_mode && |
| sampling_rate > MAX98396_PCM_SR_16000) |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2043_PCM_SR_SETUP, |
| MAX98396_IVADC_SR_MASK, |
| (sampling_rate - 3) |
| << MAX98396_IVADC_SR_SHIFT); |
| else |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2043_PCM_SR_SETUP, |
| MAX98396_IVADC_SR_MASK, |
| sampling_rate << MAX98396_IVADC_SR_SHIFT); |
| |
| if (bsel) |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2042_PCM_CLK_SETUP, |
| MAX98396_PCM_CLK_SETUP_BSEL_MASK, |
| bsel); |
| |
| if (status && update) |
| max98396_global_enable_onoff(max98396->regmap, true); |
| |
| return 0; |
| |
| err: |
| return -EINVAL; |
| } |
| |
| static int max98396_dai_tdm_slot(struct snd_soc_dai *dai, |
| unsigned int tx_mask, unsigned int rx_mask, |
| int slots, int slot_width) |
| { |
| struct snd_soc_component *component = dai->component; |
| struct max98396_priv *max98396 = |
| snd_soc_component_get_drvdata(component); |
| int bsel; |
| unsigned int chan_sz = 0; |
| int ret, status; |
| int reg; |
| bool update = false; |
| |
| if (!tx_mask && !rx_mask && !slots && !slot_width) |
| max98396->tdm_mode = false; |
| else |
| max98396->tdm_mode = true; |
| |
| /* BCLK configuration */ |
| ret = max98396_pcm_config_index(slots, slots, slot_width); |
| if (ret < 0) { |
| dev_err(component->dev, "no TDM config for %d slots %d bits\n", |
| slots, slot_width); |
| return -EINVAL; |
| } |
| |
| bsel = max98396_pcm_configs[ret].bsel; |
| max98396->tdm_max_samplerate = max98396_pcm_configs[ret].max_sr; |
| |
| /* Channel size configuration */ |
| switch (slot_width) { |
| case 16: |
| chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_16; |
| break; |
| case 24: |
| chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_24; |
| break; |
| case 32: |
| chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_32; |
| break; |
| default: |
| dev_err(component->dev, "slot width %d unsupported\n", |
| slot_width); |
| return -EINVAL; |
| } |
| |
| ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status); |
| if (ret < 0) |
| return -EINVAL; |
| |
| if (status) { |
| ret = regmap_read(max98396->regmap, MAX98396_R2042_PCM_CLK_SETUP, ®); |
| if (ret < 0) |
| return -EINVAL; |
| if (bsel != (reg & MAX98396_PCM_CLK_SETUP_BSEL_MASK)) { |
| update = true; |
| } else { |
| ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, ®); |
| if (ret < 0) |
| return -EINVAL; |
| if (chan_sz != (reg & MAX98396_PCM_MODE_CFG_CHANSZ_MASK)) |
| update = true; |
| } |
| |
| /* GLOBAL_EN OFF prior to channel size and BCLK per LRCLK change */ |
| if (update) |
| max98396_global_enable_onoff(max98396->regmap, false); |
| } |
| |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2042_PCM_CLK_SETUP, |
| MAX98396_PCM_CLK_SETUP_BSEL_MASK, |
| bsel); |
| |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2041_PCM_MODE_CFG, |
| MAX98396_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); |
| |
| /* Rx slot configuration */ |
| if (max98396->device_id == CODEC_TYPE_MAX98396) { |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2056_PCM_RX_SRC2, |
| MAX98396_PCM_DMIX_CH0_SRC_MASK, |
| rx_mask); |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2056_PCM_RX_SRC2, |
| MAX98396_PCM_DMIX_CH1_SRC_MASK, |
| rx_mask << MAX98396_PCM_DMIX_CH1_SHIFT); |
| } else { |
| regmap_update_bits(max98396->regmap, |
| MAX98397_R2057_PCM_RX_SRC2, |
| MAX98396_PCM_DMIX_CH0_SRC_MASK, |
| rx_mask); |
| regmap_update_bits(max98396->regmap, |
| MAX98397_R2057_PCM_RX_SRC2, |
| MAX98396_PCM_DMIX_CH1_SRC_MASK, |
| rx_mask << MAX98396_PCM_DMIX_CH1_SHIFT); |
| } |
| |
| /* Tx slot Hi-Z configuration */ |
| if (max98396->device_id == CODEC_TYPE_MAX98396) { |
| regmap_write(max98396->regmap, |
| MAX98396_R2053_PCM_TX_HIZ_CTRL_8, |
| ~tx_mask & 0xFF); |
| regmap_write(max98396->regmap, |
| MAX98396_R2052_PCM_TX_HIZ_CTRL_7, |
| (~tx_mask & 0xFF00) >> 8); |
| } else { |
| regmap_write(max98396->regmap, |
| MAX98397_R2054_PCM_TX_HIZ_CTRL_8, |
| ~tx_mask & 0xFF); |
| regmap_write(max98396->regmap, |
| MAX98397_R2053_PCM_TX_HIZ_CTRL_7, |
| (~tx_mask & 0xFF00) >> 8); |
| } |
| |
| if (status && update) |
| max98396_global_enable_onoff(max98396->regmap, true); |
| |
| return 0; |
| } |
| |
| #define MAX98396_RATES SNDRV_PCM_RATE_8000_192000 |
| |
| #define MAX98396_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ |
| SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) |
| |
| static const struct snd_soc_dai_ops max98396_dai_ops = { |
| .set_fmt = max98396_dai_set_fmt, |
| .hw_params = max98396_dai_hw_params, |
| .set_tdm_slot = max98396_dai_tdm_slot, |
| }; |
| |
| static int max98396_dac_event(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 max98396_priv *max98396 = |
| snd_soc_component_get_drvdata(component); |
| |
| switch (event) { |
| case SND_SOC_DAPM_POST_PMU: |
| max98396_global_enable_onoff(max98396->regmap, true); |
| break; |
| case SND_SOC_DAPM_PRE_PMD: |
| max98396_global_enable_onoff(max98396->regmap, false); |
| |
| max98396->tdm_mode = false; |
| break; |
| default: |
| return 0; |
| } |
| return 0; |
| } |
| |
| static bool max98396_readable_register(struct device *dev, unsigned int reg) |
| { |
| switch (reg) { |
| case MAX98396_R2001_INT_RAW1 ... MAX98396_R2004_INT_RAW4: |
| case MAX98396_R2006_INT_STATE1 ... MAX98396_R2009_INT_STATE4: |
| case MAX98396_R200B_INT_FLAG1 ... MAX98396_R200E_INT_FLAG4: |
| case MAX98396_R2010_INT_EN1 ... MAX98396_R2013_INT_EN4: |
| case MAX98396_R2015_INT_FLAG_CLR1 ... MAX98396_R2018_INT_FLAG_CLR4: |
| case MAX98396_R201F_IRQ_CTRL ... MAX98396_R2024_THERM_FOLDBACK_SET: |
| case MAX98396_R2027_THERM_FOLDBACK_EN: |
| case MAX98396_R2030_NOISEGATE_MODE_CTRL: |
| case MAX98396_R2033_NOISEGATE_MODE_EN: |
| case MAX98396_R2038_CLK_MON_CTRL ... MAX98396_R2039_DATA_MON_CTRL: |
| case MAX98396_R203F_ENABLE_CTRLS ... MAX98396_R2053_PCM_TX_HIZ_CTRL_8: |
| case MAX98396_R2055_PCM_RX_SRC1 ... MAX98396_R2056_PCM_RX_SRC2: |
| case MAX98396_R2058_PCM_BYPASS_SRC: |
| case MAX98396_R205D_PCM_TX_SRC_EN ... MAX98396_R205F_PCM_TX_EN: |
| case MAX98396_R2070_ICC_RX_EN_A... MAX98396_R2072_ICC_TX_CTRL: |
| case MAX98396_R207F_ICC_EN: |
| case MAX98396_R2083_TONE_GEN_DC_CFG ... MAX98396_R2086_TONE_GEN_DC_LVL3: |
| case MAX98396_R208F_TONE_GEN_EN ... MAX98396_R209A_SPK_EDGE_CTRL: |
| case MAX98396_R209C_SPK_EDGE_CTRL1 ... MAX98396_R20A0_AMP_SUPPLY_CTL: |
| case MAX98396_R20AF_AMP_EN ... MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB: |
| case MAX98396_R20C7_ADC_CFG: |
| case MAX98396_R20D0_DHT_CFG1 ... MAX98396_R20D6_DHT_HYSTERESIS_CFG: |
| case MAX98396_R20DF_DHT_EN: |
| case MAX98396_R20E0_IV_SENSE_PATH_CFG: |
| case MAX98396_R20E4_IV_SENSE_PATH_EN |
| ... MAX98396_R2106_BPE_THRESH_HYSTERESIS: |
| case MAX98396_R2108_BPE_SUPPLY_SRC ... MAX98396_R210B_BPE_LOW_LIMITER: |
| case MAX98396_R210D_BPE_EN ... MAX98396_R210F_GLOBAL_EN: |
| case MAX98396_R21FF_REVISION_ID: |
| return true; |
| default: |
| return false; |
| } |
| }; |
| |
| static bool max98396_volatile_reg(struct device *dev, unsigned int reg) |
| { |
| switch (reg) { |
| case MAX98396_R2000_SW_RESET: |
| case MAX98396_R2001_INT_RAW1 ... MAX98396_R200E_INT_FLAG4: |
| case MAX98396_R2041_PCM_MODE_CFG: |
| case MAX98396_R20B6_ADC_PVDD_READBACK_MSB |
| ... MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB: |
| case MAX98396_R20E5_BPE_STATE: |
| case MAX98396_R2109_BPE_LOW_STATE |
| ... MAX98396_R210B_BPE_LOW_LIMITER: |
| case MAX98396_R210F_GLOBAL_EN: |
| case MAX98396_R21FF_REVISION_ID: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| static bool max98397_readable_register(struct device *dev, unsigned int reg) |
| { |
| switch (reg) { |
| case MAX98396_R2001_INT_RAW1 ... MAX98396_R2004_INT_RAW4: |
| case MAX98396_R2006_INT_STATE1 ... MAX98396_R2009_INT_STATE4: |
| case MAX98396_R200B_INT_FLAG1 ... MAX98396_R200E_INT_FLAG4: |
| case MAX98396_R2010_INT_EN1 ... MAX98396_R2013_INT_EN4: |
| case MAX98396_R2015_INT_FLAG_CLR1 ... MAX98396_R2018_INT_FLAG_CLR4: |
| case MAX98396_R201F_IRQ_CTRL ... MAX98396_R2024_THERM_FOLDBACK_SET: |
| case MAX98396_R2027_THERM_FOLDBACK_EN: |
| case MAX98396_R2030_NOISEGATE_MODE_CTRL: |
| case MAX98396_R2033_NOISEGATE_MODE_EN: |
| case MAX98396_R2038_CLK_MON_CTRL ... MAX98397_R203A_SPK_MON_THRESH: |
| case MAX98396_R203F_ENABLE_CTRLS ... MAX98397_R2054_PCM_TX_HIZ_CTRL_8: |
| case MAX98397_R2056_PCM_RX_SRC1... MAX98396_R2058_PCM_BYPASS_SRC: |
| case MAX98396_R205D_PCM_TX_SRC_EN ... MAX98397_R2060_PCM_TX_SUPPLY_SEL: |
| case MAX98396_R2070_ICC_RX_EN_A... MAX98396_R2072_ICC_TX_CTRL: |
| case MAX98396_R207F_ICC_EN: |
| case MAX98396_R2083_TONE_GEN_DC_CFG ... MAX98396_R2086_TONE_GEN_DC_LVL3: |
| case MAX98396_R208F_TONE_GEN_EN ... MAX98396_R209F_BYPASS_PATH_CFG: |
| case MAX98396_R20AF_AMP_EN ... MAX98397_R20C5_MEAS_ADC_OPTIMAL_MODE: |
| case MAX98396_R20C7_ADC_CFG: |
| case MAX98396_R20D0_DHT_CFG1 ... MAX98396_R20D6_DHT_HYSTERESIS_CFG: |
| case MAX98396_R20DF_DHT_EN: |
| case MAX98396_R20E0_IV_SENSE_PATH_CFG: |
| case MAX98396_R20E4_IV_SENSE_PATH_EN |
| ... MAX98396_R2106_BPE_THRESH_HYSTERESIS: |
| case MAX98396_R2108_BPE_SUPPLY_SRC ... MAX98396_R210B_BPE_LOW_LIMITER: |
| case MAX98396_R210D_BPE_EN ... MAX98396_R210F_GLOBAL_EN: |
| case MAX98397_R22FF_REVISION_ID: |
| return true; |
| default: |
| return false; |
| } |
| }; |
| |
| static bool max98397_volatile_reg(struct device *dev, unsigned int reg) |
| { |
| switch (reg) { |
| case MAX98396_R2001_INT_RAW1 ... MAX98396_R200E_INT_FLAG4: |
| case MAX98396_R2041_PCM_MODE_CFG: |
| case MAX98397_R20B7_ADC_PVDD_READBACK_MSB |
| ... MAX98397_R20C4_ADC_LO_VDDH_READBACK_LSB: |
| case MAX98396_R20E5_BPE_STATE: |
| case MAX98396_R2109_BPE_LOW_STATE |
| ... MAX98396_R210B_BPE_LOW_LIMITER: |
| case MAX98396_R210F_GLOBAL_EN: |
| case MAX98397_R22FF_REVISION_ID: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| static const char * const max98396_op_mod_text[] = { |
| "DG", "PVDD", "VBAT", |
| }; |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_op_mod_enum, |
| MAX98396_R2098_SPK_CLS_DG_MODE, |
| 0, max98396_op_mod_text); |
| |
| static DECLARE_TLV_DB_SCALE(max98396_digital_tlv, -6350, 50, 1); |
| static const DECLARE_TLV_DB_RANGE(max98396_spk_tlv, |
| 0, 0x11, TLV_DB_SCALE_ITEM(400, 100, 0), |
| ); |
| static DECLARE_TLV_DB_RANGE(max98397_digital_tlv, |
| 0, 0x4A, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), |
| 0x4B, 0xFF, TLV_DB_SCALE_ITEM(-9000, 50, 0), |
| ); |
| static const DECLARE_TLV_DB_RANGE(max98397_spk_tlv, |
| 0, 0x15, TLV_DB_SCALE_ITEM(600, 100, 0), |
| ); |
| |
| static int max98396_mux_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_component *component = |
| snd_soc_dapm_kcontrol_component(kcontrol); |
| struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); |
| int reg, val; |
| |
| if (max98396->device_id == CODEC_TYPE_MAX98396) |
| reg = MAX98396_R2055_PCM_RX_SRC1; |
| else |
| reg = MAX98397_R2056_PCM_RX_SRC1; |
| |
| regmap_read(max98396->regmap, reg, &val); |
| |
| ucontrol->value.enumerated.item[0] = val; |
| |
| return 0; |
| } |
| |
| static int max98396_mux_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_component *component = |
| snd_soc_dapm_kcontrol_component(kcontrol); |
| struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); |
| struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); |
| struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
| unsigned int *item = ucontrol->value.enumerated.item; |
| int reg, val; |
| int change; |
| |
| if (item[0] >= e->items) |
| return -EINVAL; |
| |
| val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
| |
| if (max98396->device_id == CODEC_TYPE_MAX98396) |
| reg = MAX98396_R2055_PCM_RX_SRC1; |
| else |
| reg = MAX98397_R2056_PCM_RX_SRC1; |
| |
| change = snd_soc_component_test_bits(component, reg, |
| MAX98396_PCM_RX_MASK, val); |
| |
| if (change) |
| regmap_update_bits(max98396->regmap, reg, |
| MAX98396_PCM_RX_MASK, val); |
| |
| snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL); |
| |
| return change; |
| } |
| |
| static const char * const max98396_switch_text[] = { |
| "Left", "Right", "LeftRight"}; |
| |
| static SOC_ENUM_SINGLE_DECL(dai_sel_enum, SND_SOC_NOPM, 0, |
| max98396_switch_text); |
| |
| static const struct snd_kcontrol_new max98396_dai_mux = |
| SOC_DAPM_ENUM_EXT("DAI Sel Mux", dai_sel_enum, |
| max98396_mux_get, max98396_mux_put); |
| |
| static const struct snd_kcontrol_new max98396_vi_control = |
| SOC_DAPM_SINGLE("Switch", MAX98396_R205F_PCM_TX_EN, 0, 1, 0); |
| |
| static const struct snd_soc_dapm_widget max98396_dapm_widgets[] = { |
| SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback", |
| MAX98396_R20AF_AMP_EN, 0, 0, max98396_dac_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
| SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0, |
| &max98396_dai_mux), |
| SND_SOC_DAPM_OUTPUT("BE_OUT"), |
| SND_SOC_DAPM_AIF_OUT("Voltage Sense", "HiFi Capture", 0, |
| MAX98396_R20E4_IV_SENSE_PATH_EN, 0, 0), |
| SND_SOC_DAPM_AIF_OUT("Current Sense", "HiFi Capture", 0, |
| MAX98396_R20E4_IV_SENSE_PATH_EN, 1, 0), |
| SND_SOC_DAPM_SWITCH("VI Sense", SND_SOC_NOPM, 0, 0, |
| &max98396_vi_control), |
| SND_SOC_DAPM_SIGGEN("VMON"), |
| SND_SOC_DAPM_SIGGEN("IMON"), |
| SND_SOC_DAPM_SIGGEN("FBMON"), |
| }; |
| |
| static const char * const max98396_thermal_thresh_text[] = { |
| "50C", "51C", "52C", "53C", "54C", "55C", "56C", "57C", |
| "58C", "59C", "60C", "61C", "62C", "63C", "64C", "65C", |
| "66C", "67C", "68C", "69C", "70C", "71C", "72C", "73C", |
| "74C", "75C", "76C", "77C", "78C", "79C", "80C", "81C", |
| "82C", "83C", "84C", "85C", "86C", "87C", "88C", "89C", |
| "90C", "91C", "92C", "93C", "94C", "95C", "96C", "97C", |
| "98C", "99C", "100C", "101C", "102C", "103C", "104C", "105C", |
| "106C", "107C", "108C", "109C", "110C", "111C", "112C", "113C", |
| "114C", "115C", "116C", "117C", "118C", "119C", "120C", "121C", |
| "122C", "123C", "124C", "125C", "126C", "127C", "128C", "129C", |
| "130C", "131C", "132C", "133C", "134C", "135C", "136C", "137C", |
| "138C", "139C", "140C", "141C", "142C", "143C", "144C", "145C", |
| "146C", "147C", "148C", "149C", "150C" |
| }; |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_thermal_warn_thresh1_enum, |
| MAX98396_R2020_THERM_WARN_THRESH, 0, |
| max98396_thermal_thresh_text); |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_thermal_warn_thresh2_enum, |
| MAX98396_R2021_THERM_WARN_THRESH2, 0, |
| max98396_thermal_thresh_text); |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_thermal_shdn_thresh_enum, |
| MAX98396_R2022_THERM_SHDN_THRESH, 0, |
| max98396_thermal_thresh_text); |
| |
| static const char * const max98396_thermal_hyteresis_text[] = { |
| "2C", "5C", "7C", "10C" |
| }; |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_thermal_hysteresis_enum, |
| MAX98396_R2023_THERM_HYSTERESIS, 0, |
| max98396_thermal_hyteresis_text); |
| |
| static const char * const max98396_foldback_slope_text[] = { |
| "0.25", "0.5", "1.0", "2.0" |
| }; |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_slope1_enum, |
| MAX98396_R2024_THERM_FOLDBACK_SET, |
| MAX98396_THERM_FB_SLOPE1_SHIFT, |
| max98396_foldback_slope_text); |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_slope2_enum, |
| MAX98396_R2024_THERM_FOLDBACK_SET, |
| MAX98396_THERM_FB_SLOPE2_SHIFT, |
| max98396_foldback_slope_text); |
| |
| static const char * const max98396_foldback_reltime_text[] = { |
| "3ms", "10ms", "100ms", "300ms" |
| }; |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_reltime_enum, |
| MAX98396_R2024_THERM_FOLDBACK_SET, |
| MAX98396_THERM_FB_REL_SHIFT, |
| max98396_foldback_reltime_text); |
| |
| static const char * const max98396_foldback_holdtime_text[] = { |
| "0ms", "20ms", "40ms", "80ms" |
| }; |
| |
| static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_holdtime_enum, |
| MAX98396_R2024_THERM_FOLDBACK_SET, |
| MAX98396_THERM_FB_HOLD_SHIFT, |
| max98396_foldback_holdtime_text); |
| |
| static int max98396_adc_value_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
| struct soc_mixer_control *mc = |
| (struct soc_mixer_control *)kcontrol->private_value; |
| struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); |
| int ret; |
| u8 val[2]; |
| int reg = mc->reg; |
| |
| /* ADC value is not available if the device is powered down */ |
| if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) |
| goto exit; |
| |
| if (max98396->device_id == CODEC_TYPE_MAX98397) { |
| switch (mc->reg) { |
| case MAX98396_R20B6_ADC_PVDD_READBACK_MSB: |
| reg = MAX98397_R20B7_ADC_PVDD_READBACK_MSB; |
| break; |
| case MAX98396_R20B8_ADC_VBAT_READBACK_MSB: |
| reg = MAX98397_R20B9_ADC_VBAT_READBACK_MSB; |
| break; |
| case MAX98396_R20BA_ADC_TEMP_READBACK_MSB: |
| reg = MAX98397_R20BB_ADC_TEMP_READBACK_MSB; |
| break; |
| default: |
| goto exit; |
| } |
| } |
| |
| ret = regmap_raw_read(max98396->regmap, reg, &val, 2); |
| if (ret) |
| goto exit; |
| |
| /* ADC readback bits[8:0] rearrangement */ |
| ucontrol->value.integer.value[0] = (val[0] << 1) | (val[1] & 1); |
| return 0; |
| |
| exit: |
| ucontrol->value.integer.value[0] = 0; |
| return 0; |
| } |
| |
| static const struct snd_kcontrol_new max98396_snd_controls[] = { |
| /* Volume */ |
| SOC_SINGLE_TLV("Digital Volume", MAX98396_R2090_AMP_VOL_CTRL, |
| 0, 0x7F, 1, max98396_digital_tlv), |
| SOC_SINGLE_TLV("Speaker Volume", MAX98396_R2091_AMP_PATH_GAIN, |
| 0, 0x11, 0, max98396_spk_tlv), |
| /* Volume Ramp Up/Down Enable*/ |
| SOC_SINGLE("Ramp Up Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_VOL_RMPUP_SHIFT, 1, 0), |
| SOC_SINGLE("Ramp Down Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_VOL_RMPDN_SHIFT, 1, 0), |
| /* Clock Monitor Enable */ |
| SOC_SINGLE("CLK Monitor Switch", MAX98396_R203F_ENABLE_CTRLS, |
| MAX98396_CTRL_CMON_EN_SHIFT, 1, 0), |
| /* Dither Enable */ |
| SOC_SINGLE("Dither Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_DITH_EN_SHIFT, 1, 0), |
| SOC_SINGLE("IV Dither Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, |
| MAX98396_IV_SENSE_DITH_EN_SHIFT, 1, 0), |
| /* DC Blocker Enable */ |
| SOC_SINGLE("DC Blocker Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_DCBLK_EN_SHIFT, 1, 0), |
| SOC_SINGLE("IV DC Blocker Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, |
| MAX98396_IV_SENSE_DCBLK_EN_SHIFT, 3, 0), |
| /* Speaker Safe Mode Enable */ |
| SOC_SINGLE("Safe Mode Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_SAFE_EN_SHIFT, 1, 0), |
| /* Wideband Filter Enable */ |
| SOC_SINGLE("WB Filter Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_WB_FLT_EN_SHIFT, 1, 0), |
| SOC_SINGLE("IV WB Filter Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, |
| MAX98396_IV_SENSE_WB_FLT_EN_SHIFT, 1, 0), |
| /* Dynamic Headroom Tracking */ |
| SOC_SINGLE("DHT Switch", MAX98396_R20DF_DHT_EN, 0, 1, 0), |
| /* Brownout Protection Engine */ |
| SOC_SINGLE("BPE Switch", MAX98396_R210D_BPE_EN, 0, 1, 0), |
| SOC_SINGLE("BPE Limiter Switch", MAX98396_R210D_BPE_EN, 1, 1, 0), |
| /* Bypass Path Enable */ |
| SOC_SINGLE("Bypass Path Switch", |
| MAX98396_R205E_PCM_RX_EN, 1, 1, 0), |
| /* Speaker Operation Mode */ |
| SOC_ENUM("OP Mode", max98396_op_mod_enum), |
| /* Auto Restart functions */ |
| SOC_SINGLE("CMON Auto Restart Switch", MAX98396_R2038_CLK_MON_CTRL, |
| MAX98396_CLK_MON_AUTO_RESTART_SHIFT, 1, 0), |
| SOC_SINGLE("PVDD Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, |
| MAX98396_PVDD_UVLO_RESTART_SHFT, 1, 0), |
| SOC_SINGLE("VBAT Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, |
| MAX98396_VBAT_UVLO_RESTART_SHFT, 1, 0), |
| SOC_SINGLE("THERM Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, |
| MAX98396_THEM_SHDN_RESTART_SHFT, 1, 0), |
| SOC_SINGLE("OVC Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, |
| MAX98396_OVC_RESTART_SHFT, 1, 0), |
| /* Thermal Threshold */ |
| SOC_ENUM("THERM Thresh1", max98396_thermal_warn_thresh1_enum), |
| SOC_ENUM("THERM Thresh2", max98396_thermal_warn_thresh2_enum), |
| SOC_ENUM("THERM SHDN Thresh", max98396_thermal_shdn_thresh_enum), |
| SOC_ENUM("THERM Hysteresis", max98396_thermal_hysteresis_enum), |
| SOC_SINGLE("THERM Foldback Switch", |
| MAX98396_R2027_THERM_FOLDBACK_EN, 0, 1, 0), |
| SOC_ENUM("THERM Slope1", max98396_thermal_fb_slope1_enum), |
| SOC_ENUM("THERM Slope2", max98396_thermal_fb_slope2_enum), |
| SOC_ENUM("THERM Release", max98396_thermal_fb_reltime_enum), |
| SOC_ENUM("THERM Hold", max98396_thermal_fb_holdtime_enum), |
| /* ADC */ |
| SOC_SINGLE_EXT("ADC PVDD", MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0, 0x1FF, 0, |
| max98396_adc_value_get, NULL), |
| SOC_SINGLE_EXT("ADC VBAT", MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0, 0x1FF, 0, |
| max98396_adc_value_get, NULL), |
| SOC_SINGLE_EXT("ADC TEMP", MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0, 0x1FF, 0, |
| max98396_adc_value_get, NULL), |
| }; |
| |
| static const struct snd_kcontrol_new max98397_snd_controls[] = { |
| /* Volume */ |
| SOC_SINGLE_TLV("Digital Volume", MAX98396_R2090_AMP_VOL_CTRL, |
| 0, 0xFF, 1, max98397_digital_tlv), |
| SOC_SINGLE_TLV("Speaker Volume", MAX98396_R2091_AMP_PATH_GAIN, |
| 0, 0x15, 0, max98397_spk_tlv), |
| /* Volume Ramp Up/Down Enable*/ |
| SOC_SINGLE("Ramp Up Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_VOL_RMPUP_SHIFT, 1, 0), |
| SOC_SINGLE("Ramp Down Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_VOL_RMPDN_SHIFT, 1, 0), |
| /* Clock Monitor Enable */ |
| SOC_SINGLE("CLK Monitor Switch", MAX98396_R203F_ENABLE_CTRLS, |
| MAX98396_CTRL_CMON_EN_SHIFT, 1, 0), |
| /* Dither Enable */ |
| SOC_SINGLE("Dither Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_DITH_EN_SHIFT, 1, 0), |
| SOC_SINGLE("IV Dither Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, |
| MAX98396_IV_SENSE_DITH_EN_SHIFT, 1, 0), |
| /* DC Blocker Enable */ |
| SOC_SINGLE("DC Blocker Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_DCBLK_EN_SHIFT, 1, 0), |
| SOC_SINGLE("IV DC Blocker Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, |
| MAX98396_IV_SENSE_DCBLK_EN_SHIFT, 3, 0), |
| /* Speaker Safe Mode Enable */ |
| SOC_SINGLE("Safe Mode Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_SAFE_EN_SHIFT, 1, 0), |
| /* Wideband Filter Enable */ |
| SOC_SINGLE("WB Filter Switch", MAX98396_R2092_AMP_DSP_CFG, |
| MAX98396_DSP_SPK_WB_FLT_EN_SHIFT, 1, 0), |
| SOC_SINGLE("IV WB Filter Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, |
| MAX98396_IV_SENSE_WB_FLT_EN_SHIFT, 1, 0), |
| /* Dynamic Headroom Tracking */ |
| SOC_SINGLE("DHT Switch", MAX98396_R20DF_DHT_EN, 0, 1, 0), |
| /* Brownout Protection Engine */ |
| SOC_SINGLE("BPE Switch", MAX98396_R210D_BPE_EN, 0, 1, 0), |
| SOC_SINGLE("BPE Limiter Switch", MAX98396_R210D_BPE_EN, 1, 1, 0), |
| /* Bypass Path Enable */ |
| SOC_SINGLE("Bypass Path Switch", |
| MAX98396_R205E_PCM_RX_EN, 1, 1, 0), |
| /* Speaker Operation Mode */ |
| SOC_ENUM("OP Mode", max98396_op_mod_enum), |
| /* Auto Restart functions */ |
| SOC_SINGLE("CMON Auto Restart Switch", MAX98396_R2038_CLK_MON_CTRL, |
| MAX98396_CLK_MON_AUTO_RESTART_SHIFT, 1, 0), |
| SOC_SINGLE("PVDD Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, |
| MAX98396_PVDD_UVLO_RESTART_SHFT, 1, 0), |
| SOC_SINGLE("VBAT Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, |
| MAX98396_VBAT_UVLO_RESTART_SHFT, 1, 0), |
| SOC_SINGLE("THERM Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, |
| MAX98396_THEM_SHDN_RESTART_SHFT, 1, 0), |
| SOC_SINGLE("OVC Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, |
| MAX98396_OVC_RESTART_SHFT, 1, 0), |
| /* Thermal Threshold */ |
| SOC_ENUM("THERM Thresh1", max98396_thermal_warn_thresh1_enum), |
| SOC_ENUM("THERM Thresh2", max98396_thermal_warn_thresh2_enum), |
| SOC_ENUM("THERM SHDN Thresh", max98396_thermal_shdn_thresh_enum), |
| SOC_ENUM("THERM Hysteresis", max98396_thermal_hysteresis_enum), |
| SOC_SINGLE("THERM Foldback Switch", |
| MAX98396_R2027_THERM_FOLDBACK_EN, 0, 1, 0), |
| SOC_ENUM("THERM Slope1", max98396_thermal_fb_slope1_enum), |
| SOC_ENUM("THERM Slope2", max98396_thermal_fb_slope2_enum), |
| SOC_ENUM("THERM Release", max98396_thermal_fb_reltime_enum), |
| SOC_ENUM("THERM Hold", max98396_thermal_fb_holdtime_enum), |
| /* ADC */ |
| SOC_SINGLE_EXT("ADC PVDD", MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0, 0x1FF, 0, |
| max98396_adc_value_get, NULL), |
| SOC_SINGLE_EXT("ADC VBAT", MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0, 0x1FF, 0, |
| max98396_adc_value_get, NULL), |
| SOC_SINGLE_EXT("ADC TEMP", MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0, 0x1FF, 0, |
| max98396_adc_value_get, NULL), |
| }; |
| |
| static const struct snd_soc_dapm_route max98396_audio_map[] = { |
| /* Plabyack */ |
| {"DAI Sel Mux", "Left", "Amp Enable"}, |
| {"DAI Sel Mux", "Right", "Amp Enable"}, |
| {"DAI Sel Mux", "LeftRight", "Amp Enable"}, |
| {"BE_OUT", NULL, "DAI Sel Mux"}, |
| /* Capture */ |
| { "VI Sense", "Switch", "VMON" }, |
| { "VI Sense", "Switch", "IMON" }, |
| { "Voltage Sense", NULL, "VI Sense" }, |
| { "Current Sense", NULL, "VI Sense" }, |
| }; |
| |
| static struct snd_soc_dai_driver max98396_dai[] = { |
| { |
| .name = "max98396-aif1", |
| .playback = { |
| .stream_name = "HiFi Playback", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = MAX98396_RATES, |
| .formats = MAX98396_FORMATS, |
| }, |
| .capture = { |
| .stream_name = "HiFi Capture", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = MAX98396_RATES, |
| .formats = MAX98396_FORMATS, |
| }, |
| .ops = &max98396_dai_ops, |
| } |
| }; |
| |
| static struct snd_soc_dai_driver max98397_dai[] = { |
| { |
| .name = "max98397-aif1", |
| .playback = { |
| .stream_name = "HiFi Playback", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = MAX98396_RATES, |
| .formats = MAX98396_FORMATS, |
| }, |
| .capture = { |
| .stream_name = "HiFi Capture", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = MAX98396_RATES, |
| .formats = MAX98396_FORMATS, |
| }, |
| .ops = &max98396_dai_ops, |
| } |
| }; |
| |
| static void max98396_reset(struct max98396_priv *max98396, struct device *dev) |
| { |
| int ret, reg, count; |
| |
| /* Software Reset */ |
| ret = regmap_write(max98396->regmap, |
| MAX98396_R2000_SW_RESET, 1); |
| if (ret) |
| dev_err(dev, "Reset command failed. (ret:%d)\n", ret); |
| |
| count = 0; |
| while (count < 3) { |
| usleep_range(5000, 6000); |
| /* Software Reset Verification */ |
| ret = regmap_read(max98396->regmap, |
| GET_REG_ADDR_REV_ID(max98396->device_id), ®); |
| if (!ret) { |
| dev_info(dev, "Reset completed (retry:%d)\n", count); |
| return; |
| } |
| count++; |
| } |
| dev_err(dev, "Reset failed. (ret:%d)\n", ret); |
| } |
| |
| static int max98396_probe(struct snd_soc_component *component) |
| { |
| struct max98396_priv *max98396 = |
| snd_soc_component_get_drvdata(component); |
| |
| /* Software Reset */ |
| max98396_reset(max98396, component->dev); |
| |
| /* L/R mix configuration */ |
| if (max98396->device_id == CODEC_TYPE_MAX98396) { |
| regmap_write(max98396->regmap, |
| MAX98396_R2055_PCM_RX_SRC1, 0x02); |
| regmap_write(max98396->regmap, |
| MAX98396_R2056_PCM_RX_SRC2, 0x10); |
| } else { |
| regmap_write(max98396->regmap, |
| MAX98397_R2056_PCM_RX_SRC1, 0x02); |
| regmap_write(max98396->regmap, |
| MAX98397_R2057_PCM_RX_SRC2, 0x10); |
| } |
| /* Supply control */ |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R20A0_AMP_SUPPLY_CTL, |
| MAX98396_AMP_SUPPLY_NOVBAT, |
| (max98396->vbat == NULL) ? |
| MAX98396_AMP_SUPPLY_NOVBAT : 0); |
| /* Enable DC blocker */ |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2092_AMP_DSP_CFG, 1, 1); |
| /* Enable IV Monitor DC blocker */ |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R20E0_IV_SENSE_PATH_CFG, |
| MAX98396_IV_SENSE_DCBLK_EN_MASK, |
| MAX98396_IV_SENSE_DCBLK_EN_MASK); |
| /* Configure default data output sources */ |
| regmap_write(max98396->regmap, |
| MAX98396_R205D_PCM_TX_SRC_EN, 3); |
| /* Enable Wideband Filter */ |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2092_AMP_DSP_CFG, 0x40, 0x40); |
| /* Enable IV Wideband Filter */ |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R20E0_IV_SENSE_PATH_CFG, 8, 8); |
| |
| /* Enable Bypass Source */ |
| regmap_write(max98396->regmap, |
| MAX98396_R2058_PCM_BYPASS_SRC, |
| max98396->bypass_slot); |
| /* Voltage, current slot configuration */ |
| regmap_write(max98396->regmap, |
| MAX98396_R2044_PCM_TX_CTRL_1, |
| max98396->v_slot); |
| regmap_write(max98396->regmap, |
| MAX98396_R2045_PCM_TX_CTRL_2, |
| max98396->i_slot); |
| regmap_write(max98396->regmap, |
| MAX98396_R204A_PCM_TX_CTRL_7, |
| max98396->spkfb_slot); |
| |
| if (max98396->v_slot < 8) |
| if (max98396->device_id == CODEC_TYPE_MAX98396) |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2053_PCM_TX_HIZ_CTRL_8, |
| 1 << max98396->v_slot, 0); |
| else |
| regmap_update_bits(max98396->regmap, |
| MAX98397_R2054_PCM_TX_HIZ_CTRL_8, |
| 1 << max98396->v_slot, 0); |
| else |
| if (max98396->device_id == CODEC_TYPE_MAX98396) |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2052_PCM_TX_HIZ_CTRL_7, |
| 1 << (max98396->v_slot - 8), 0); |
| else |
| regmap_update_bits(max98396->regmap, |
| MAX98397_R2053_PCM_TX_HIZ_CTRL_7, |
| 1 << (max98396->v_slot - 8), 0); |
| |
| if (max98396->i_slot < 8) |
| if (max98396->device_id == CODEC_TYPE_MAX98396) |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2053_PCM_TX_HIZ_CTRL_8, |
| 1 << max98396->i_slot, 0); |
| else |
| regmap_update_bits(max98396->regmap, |
| MAX98397_R2054_PCM_TX_HIZ_CTRL_8, |
| 1 << max98396->i_slot, 0); |
| else |
| if (max98396->device_id == CODEC_TYPE_MAX98396) |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2052_PCM_TX_HIZ_CTRL_7, |
| 1 << (max98396->i_slot - 8), 0); |
| else |
| regmap_update_bits(max98396->regmap, |
| MAX98397_R2053_PCM_TX_HIZ_CTRL_7, |
| 1 << (max98396->i_slot - 8), 0); |
| |
| /* Set interleave mode */ |
| if (max98396->interleave_mode) |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2041_PCM_MODE_CFG, |
| MAX98396_PCM_TX_CH_INTERLEAVE_MASK, |
| MAX98396_PCM_TX_CH_INTERLEAVE_MASK); |
| |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2038_CLK_MON_CTRL, |
| MAX98396_CLK_MON_AUTO_RESTART_MASK, |
| MAX98396_CLK_MON_AUTO_RESTART_MASK); |
| |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R203F_ENABLE_CTRLS, |
| MAX98396_CTRL_DMON_STUCK_EN_MASK, |
| max98396->dmon_stuck_enable ? |
| MAX98396_CTRL_DMON_STUCK_EN_MASK : 0); |
| |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R203F_ENABLE_CTRLS, |
| MAX98396_CTRL_DMON_MAG_EN_MASK, |
| max98396->dmon_mag_enable ? |
| MAX98396_CTRL_DMON_MAG_EN_MASK : 0); |
| |
| switch (max98396->dmon_duration) { |
| case 64: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_DURATION_MASK, 0); |
| break; |
| case 256: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_DURATION_MASK, 1); |
| break; |
| case 1024: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_DURATION_MASK, 2); |
| break; |
| case 4096: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_DURATION_MASK, 3); |
| break; |
| default: |
| dev_err(component->dev, "Invalid DMON duration %d\n", |
| max98396->dmon_duration); |
| } |
| |
| switch (max98396->dmon_stuck_threshold) { |
| case 15: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_STUCK_THRESH_MASK, |
| 0 << MAX98396_DMON_STUCK_THRESH_SHIFT); |
| break; |
| case 13: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_STUCK_THRESH_MASK, |
| 1 << MAX98396_DMON_STUCK_THRESH_SHIFT); |
| break; |
| case 22: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_STUCK_THRESH_MASK, |
| 2 << MAX98396_DMON_STUCK_THRESH_SHIFT); |
| break; |
| case 9: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_STUCK_THRESH_MASK, |
| 3 << MAX98396_DMON_STUCK_THRESH_SHIFT); |
| break; |
| default: |
| dev_err(component->dev, "Invalid DMON stuck threshold %d\n", |
| max98396->dmon_stuck_threshold); |
| } |
| |
| switch (max98396->dmon_mag_threshold) { |
| case 2 ... 5: |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R2039_DATA_MON_CTRL, |
| MAX98396_DMON_STUCK_THRESH_MASK, |
| (5 - max98396->dmon_mag_threshold) |
| << MAX98396_DMON_MAG_THRESH_SHIFT); |
| break; |
| default: |
| dev_err(component->dev, "Invalid DMON magnitude threshold %d\n", |
| max98396->dmon_mag_threshold); |
| } |
| |
| /* Speaker Amplifier PCM RX Enable by default */ |
| regmap_update_bits(max98396->regmap, |
| MAX98396_R205E_PCM_RX_EN, |
| MAX98396_PCM_RX_EN_MASK, 1); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM_SLEEP |
| static int max98396_suspend(struct device *dev) |
| { |
| struct max98396_priv *max98396 = dev_get_drvdata(dev); |
| |
| regcache_cache_only(max98396->regmap, true); |
| regcache_mark_dirty(max98396->regmap); |
| regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES, |
| max98396->core_supplies); |
| if (max98396->pvdd) |
| regulator_disable(max98396->pvdd); |
| |
| if (max98396->vbat) |
| regulator_disable(max98396->vbat); |
| |
| return 0; |
| } |
| |
| static int max98396_resume(struct device *dev) |
| { |
| struct max98396_priv *max98396 = dev_get_drvdata(dev); |
| int ret; |
| |
| ret = regulator_bulk_enable(MAX98396_NUM_CORE_SUPPLIES, |
| max98396->core_supplies); |
| if (ret < 0) |
| return ret; |
| |
| if (max98396->pvdd) { |
| ret = regulator_enable(max98396->pvdd); |
| if (ret < 0) |
| return ret; |
| } |
| |
| if (max98396->vbat) { |
| ret = regulator_enable(max98396->vbat); |
| if (ret < 0) |
| return ret; |
| } |
| |
| regcache_cache_only(max98396->regmap, false); |
| max98396_reset(max98396, dev); |
| regcache_sync(max98396->regmap); |
| return 0; |
| } |
| #endif |
| |
| static const struct dev_pm_ops max98396_pm = { |
| SET_SYSTEM_SLEEP_PM_OPS(max98396_suspend, max98396_resume) |
| }; |
| |
| static const struct snd_soc_component_driver soc_codec_dev_max98396 = { |
| .probe = max98396_probe, |
| .controls = max98396_snd_controls, |
| .num_controls = ARRAY_SIZE(max98396_snd_controls), |
| .dapm_widgets = max98396_dapm_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(max98396_dapm_widgets), |
| .dapm_routes = max98396_audio_map, |
| .num_dapm_routes = ARRAY_SIZE(max98396_audio_map), |
| .idle_bias_on = 1, |
| .use_pmdown_time = 1, |
| .endianness = 1, |
| }; |
| |
| static const struct snd_soc_component_driver soc_codec_dev_max98397 = { |
| .probe = max98396_probe, |
| .controls = max98397_snd_controls, |
| .num_controls = ARRAY_SIZE(max98397_snd_controls), |
| .dapm_widgets = max98396_dapm_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(max98396_dapm_widgets), |
| .dapm_routes = max98396_audio_map, |
| .num_dapm_routes = ARRAY_SIZE(max98396_audio_map), |
| .idle_bias_on = 1, |
| .use_pmdown_time = 1, |
| .endianness = 1, |
| }; |
| |
| static const struct regmap_config max98396_regmap = { |
| .reg_bits = 16, |
| .val_bits = 8, |
| .max_register = MAX98396_R21FF_REVISION_ID, |
| .reg_defaults = max98396_reg, |
| .num_reg_defaults = ARRAY_SIZE(max98396_reg), |
| .readable_reg = max98396_readable_register, |
| .volatile_reg = max98396_volatile_reg, |
| .cache_type = REGCACHE_RBTREE, |
| }; |
| |
| static const struct regmap_config max98397_regmap = { |
| .reg_bits = 16, |
| .val_bits = 8, |
| .max_register = MAX98397_R22FF_REVISION_ID, |
| .reg_defaults = max98397_reg, |
| .num_reg_defaults = ARRAY_SIZE(max98397_reg), |
| .readable_reg = max98397_readable_register, |
| .volatile_reg = max98397_volatile_reg, |
| .cache_type = REGCACHE_RBTREE, |
| }; |
| |
| static void max98396_read_device_property(struct device *dev, |
| struct max98396_priv *max98396) |
| { |
| int value; |
| |
| if (!device_property_read_u32(dev, "adi,vmon-slot-no", &value)) |
| max98396->v_slot = value & 0xF; |
| else |
| max98396->v_slot = 0; |
| |
| if (!device_property_read_u32(dev, "adi,imon-slot-no", &value)) |
| max98396->i_slot = value & 0xF; |
| else |
| max98396->i_slot = 1; |
| |
| if (!device_property_read_u32(dev, "adi,spkfb-slot-no", &value)) |
| max98396->spkfb_slot = value & 0xF; |
| else |
| max98396->spkfb_slot = 2; |
| |
| if (!device_property_read_u32(dev, "adi,bypass-slot-no", &value)) |
| max98396->bypass_slot = value & 0xF; |
| else |
| max98396->bypass_slot = 0; |
| |
| max98396->dmon_stuck_enable = |
| device_property_read_bool(dev, "adi,dmon-stuck-enable"); |
| |
| if (!device_property_read_u32(dev, "adi,dmon-stuck-threshold-bits", &value)) |
| max98396->dmon_stuck_threshold = value; |
| else |
| max98396->dmon_stuck_threshold = 15; |
| |
| max98396->dmon_mag_enable = |
| device_property_read_bool(dev, "adi,dmon-magnitude-enable"); |
| |
| if (!device_property_read_u32(dev, "adi,dmon-magnitude-threshold-bits", &value)) |
| max98396->dmon_mag_threshold = value; |
| else |
| max98396->dmon_mag_threshold = 5; |
| |
| if (!device_property_read_u32(dev, "adi,dmon-duration-ms", &value)) |
| max98396->dmon_duration = value; |
| else |
| max98396->dmon_duration = 64; |
| } |
| |
| static void max98396_core_supplies_disable(void *priv) |
| { |
| struct max98396_priv *max98396 = priv; |
| |
| regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES, |
| max98396->core_supplies); |
| } |
| |
| static void max98396_supply_disable(void *r) |
| { |
| regulator_disable((struct regulator *) r); |
| } |
| |
| static int max98396_i2c_probe(struct i2c_client *i2c) |
| { |
| const struct i2c_device_id *id = i2c_client_get_device_id(i2c); |
| struct max98396_priv *max98396 = NULL; |
| int i, ret, reg; |
| |
| max98396 = devm_kzalloc(&i2c->dev, sizeof(*max98396), GFP_KERNEL); |
| |
| if (!max98396) { |
| ret = -ENOMEM; |
| return ret; |
| } |
| i2c_set_clientdata(i2c, max98396); |
| |
| max98396->device_id = id->driver_data; |
| |
| /* regmap initialization */ |
| if (max98396->device_id == CODEC_TYPE_MAX98396) |
| max98396->regmap = devm_regmap_init_i2c(i2c, &max98396_regmap); |
| |
| else |
| max98396->regmap = devm_regmap_init_i2c(i2c, &max98397_regmap); |
| |
| if (IS_ERR(max98396->regmap)) { |
| ret = PTR_ERR(max98396->regmap); |
| dev_err(&i2c->dev, |
| "Failed to allocate regmap: %d\n", ret); |
| return ret; |
| } |
| |
| /* Obtain regulator supplies */ |
| for (i = 0; i < MAX98396_NUM_CORE_SUPPLIES; i++) |
| max98396->core_supplies[i].supply = max98396_core_supplies[i]; |
| |
| ret = devm_regulator_bulk_get(&i2c->dev, MAX98396_NUM_CORE_SUPPLIES, |
| max98396->core_supplies); |
| if (ret < 0) { |
| dev_err(&i2c->dev, "Failed to request core supplies: %d\n", ret); |
| return ret; |
| } |
| |
| max98396->vbat = devm_regulator_get_optional(&i2c->dev, "vbat"); |
| if (IS_ERR(max98396->vbat)) { |
| if (PTR_ERR(max98396->vbat) == -EPROBE_DEFER) |
| return -EPROBE_DEFER; |
| |
| max98396->vbat = NULL; |
| } |
| |
| max98396->pvdd = devm_regulator_get_optional(&i2c->dev, "pvdd"); |
| if (IS_ERR(max98396->pvdd)) { |
| if (PTR_ERR(max98396->pvdd) == -EPROBE_DEFER) |
| return -EPROBE_DEFER; |
| |
| max98396->pvdd = NULL; |
| } |
| |
| ret = regulator_bulk_enable(MAX98396_NUM_CORE_SUPPLIES, |
| max98396->core_supplies); |
| if (ret < 0) { |
| dev_err(&i2c->dev, "Unable to enable core supplies: %d", ret); |
| return ret; |
| } |
| |
| ret = devm_add_action_or_reset(&i2c->dev, max98396_core_supplies_disable, |
| max98396); |
| if (ret < 0) |
| return ret; |
| |
| if (max98396->pvdd) { |
| ret = regulator_enable(max98396->pvdd); |
| if (ret < 0) |
| return ret; |
| |
| ret = devm_add_action_or_reset(&i2c->dev, |
| max98396_supply_disable, |
| max98396->pvdd); |
| if (ret < 0) |
| return ret; |
| } |
| |
| if (max98396->vbat) { |
| ret = regulator_enable(max98396->vbat); |
| if (ret < 0) |
| return ret; |
| |
| ret = devm_add_action_or_reset(&i2c->dev, |
| max98396_supply_disable, |
| max98396->vbat); |
| if (ret < 0) |
| return ret; |
| } |
| |
| /* update interleave mode info */ |
| if (device_property_read_bool(&i2c->dev, "adi,interleave_mode")) |
| max98396->interleave_mode = true; |
| else |
| max98396->interleave_mode = false; |
| |
| /* voltage/current slot & gpio configuration */ |
| max98396_read_device_property(&i2c->dev, max98396); |
| |
| /* Reset the Device */ |
| max98396->reset_gpio = devm_gpiod_get_optional(&i2c->dev, |
| "reset", GPIOD_OUT_HIGH); |
| if (IS_ERR(max98396->reset_gpio)) { |
| ret = PTR_ERR(max98396->reset_gpio); |
| dev_err(&i2c->dev, "Unable to request GPIO pin: %d.\n", ret); |
| return ret; |
| } |
| |
| if (max98396->reset_gpio) { |
| usleep_range(5000, 6000); |
| gpiod_set_value_cansleep(max98396->reset_gpio, 0); |
| /* Wait for the hw reset done */ |
| usleep_range(5000, 6000); |
| } |
| |
| ret = regmap_read(max98396->regmap, |
| GET_REG_ADDR_REV_ID(max98396->device_id), ®); |
| if (ret < 0) { |
| dev_err(&i2c->dev, "%s: failed to read revision of the device.\n", id->name); |
| return ret; |
| } |
| dev_info(&i2c->dev, "%s revision ID: 0x%02X\n", id->name, reg); |
| |
| /* codec registration */ |
| if (max98396->device_id == CODEC_TYPE_MAX98396) |
| ret = devm_snd_soc_register_component(&i2c->dev, |
| &soc_codec_dev_max98396, |
| max98396_dai, |
| ARRAY_SIZE(max98396_dai)); |
| else |
| ret = devm_snd_soc_register_component(&i2c->dev, |
| &soc_codec_dev_max98397, |
| max98397_dai, |
| ARRAY_SIZE(max98397_dai)); |
| if (ret < 0) |
| dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); |
| |
| return ret; |
| } |
| |
| static const struct i2c_device_id max98396_i2c_id[] = { |
| { "max98396", CODEC_TYPE_MAX98396}, |
| { "max98397", CODEC_TYPE_MAX98397}, |
| { }, |
| }; |
| |
| MODULE_DEVICE_TABLE(i2c, max98396_i2c_id); |
| |
| #if defined(CONFIG_OF) |
| static const struct of_device_id max98396_of_match[] = { |
| { .compatible = "adi,max98396", }, |
| { .compatible = "adi,max98397", }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, max98396_of_match); |
| #endif |
| |
| #ifdef CONFIG_ACPI |
| static const struct acpi_device_id max98396_acpi_match[] = { |
| { "ADS8396", 0 }, |
| { "ADS8397", 0 }, |
| {}, |
| }; |
| MODULE_DEVICE_TABLE(acpi, max98396_acpi_match); |
| #endif |
| |
| static struct i2c_driver max98396_i2c_driver = { |
| .driver = { |
| .name = "max98396", |
| .of_match_table = of_match_ptr(max98396_of_match), |
| .acpi_match_table = ACPI_PTR(max98396_acpi_match), |
| .pm = &max98396_pm, |
| }, |
| .probe = max98396_i2c_probe, |
| .id_table = max98396_i2c_id, |
| }; |
| |
| module_i2c_driver(max98396_i2c_driver) |
| |
| MODULE_DESCRIPTION("ALSA SoC MAX98396 driver"); |
| MODULE_AUTHOR("Ryan Lee <ryans.lee@analog.com>"); |
| MODULE_LICENSE("GPL"); |
