// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2022, Analog Devices Inc. #include #include #include #include #include #include #include "max98396.h" 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 = 0; unsigned int bclk_pol = 0; int ret, status; int reg; bool update = false; 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 unsupported\n"); 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: 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 & MAX98396_PCM_BCLKEDGE_BSEL_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, MAX98396_PCM_BCLKEDGE_BSEL_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; } /* BCLKs per LRCLK */ static const int bclk_sel_table[] = { 32, 48, 64, 96, 128, 192, 256, 384, 512, 320, }; static int max98396_get_bclk_sel(int bclk) { int i; /* match BCLKs per LRCLK */ for (i = 0; i < ARRAY_SIZE(bclk_sel_table); i++) { if (bclk_sel_table[i] == bclk) return i + 2; } return 0; } static int max98396_set_clock(struct snd_soc_component *component, struct snd_pcm_hw_params *params) { struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); /* BCLK/LRCLK ratio calculation */ int blr_clk_ratio = params_channels(params) * max98396->ch_size; int value; if (!max98396->tdm_mode) { /* BCLK configuration */ value = max98396_get_bclk_sel(blr_clk_ratio); if (!value) { dev_err(component->dev, "format unsupported %d\n", params_format(params)); return -EINVAL; } regmap_update_bits(max98396->regmap, MAX98396_R2042_PCM_CLK_SETUP, MAX98396_PCM_CLK_SETUP_BSEL_MASK, value); } return 0; } 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; int status; 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; } max98396->ch_size = snd_pcm_format_width(params_format(params)); 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; } 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); ret = max98396_set_clock(component, params); if (status && update) max98396_global_enable_onoff(max98396->regmap, true); return ret; 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 */ bsel = max98396_get_bclk_sel(slots * slot_width); if (bsel == 0) { dev_err(component->dev, "BCLK %d not supported\n", slots * slot_width); return -EINVAL; } /* 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, "format unsupported %d\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); } /* 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); 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); /* 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); return 0; } static int max98396_resume(struct device *dev) { struct max98396_priv *max98396 = dev_get_drvdata(dev); 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, .non_legacy_dai_naming = 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, .non_legacy_dai_naming = 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,bypass-slot-no", &value)) max98396->bypass_slot = value & 0xF; else max98396->bypass_slot = 0; } static int max98396_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct max98396_priv *max98396 = NULL; int 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; } /* 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 "); MODULE_LICENSE("GPL");