diff options
Diffstat (limited to 'sound/soc/codecs/max98396.c')
| -rw-r--r-- | sound/soc/codecs/max98396.c | 1918 |
1 files changed, 1918 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98396.c b/sound/soc/codecs/max98396.c new file mode 100644 index 000000000000..a7b6a23f2cd8 --- /dev/null +++ b/sound/soc/codecs/max98396.c @@ -0,0 +1,1918 @@ +// 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 <linux/gpio.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) +{ + 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"); |