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-rw-r--r--sound/soc/codecs/max98396.c1918
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 0000000000..3a1d8c211f
--- /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, &reg);
+ if (ret < 0)
+ return -EINVAL;
+ if (format != (reg & format_mask)) {
+ update = true;
+ } else {
+ ret = regmap_read(max98396->regmap,
+ MAX98396_R2042_PCM_CLK_SETUP, &reg);
+ 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, &reg);
+ 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, &reg);
+ 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, &reg);
+ 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, &reg);
+ 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), &reg);
+ if (!ret) {
+ dev_info(dev, "Reset completed (retry:%d)\n", count);
+ return;
+ }
+ count++;
+ }
+ dev_err(dev, "Reset failed. (ret:%d)\n", ret);
+}
+
+static int max98396_probe(struct snd_soc_component *component)
+{
+ struct max98396_priv *max98396 =
+ snd_soc_component_get_drvdata(component);
+
+ /* Software Reset */
+ max98396_reset(max98396, component->dev);
+
+ /* L/R mix configuration */
+ if (max98396->device_id == CODEC_TYPE_MAX98396) {
+ regmap_write(max98396->regmap,
+ MAX98396_R2055_PCM_RX_SRC1, 0x02);
+ regmap_write(max98396->regmap,
+ MAX98396_R2056_PCM_RX_SRC2, 0x10);
+ } else {
+ regmap_write(max98396->regmap,
+ MAX98397_R2056_PCM_RX_SRC1, 0x02);
+ regmap_write(max98396->regmap,
+ MAX98397_R2057_PCM_RX_SRC2, 0x10);
+ }
+ /* Supply control */
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R20A0_AMP_SUPPLY_CTL,
+ MAX98396_AMP_SUPPLY_NOVBAT,
+ (max98396->vbat == NULL) ?
+ MAX98396_AMP_SUPPLY_NOVBAT : 0);
+ /* Enable DC blocker */
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2092_AMP_DSP_CFG, 1, 1);
+ /* Enable IV Monitor DC blocker */
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R20E0_IV_SENSE_PATH_CFG,
+ MAX98396_IV_SENSE_DCBLK_EN_MASK,
+ MAX98396_IV_SENSE_DCBLK_EN_MASK);
+ /* Configure default data output sources */
+ regmap_write(max98396->regmap,
+ MAX98396_R205D_PCM_TX_SRC_EN, 3);
+ /* Enable Wideband Filter */
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2092_AMP_DSP_CFG, 0x40, 0x40);
+ /* Enable IV Wideband Filter */
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R20E0_IV_SENSE_PATH_CFG, 8, 8);
+
+ /* Enable Bypass Source */
+ regmap_write(max98396->regmap,
+ MAX98396_R2058_PCM_BYPASS_SRC,
+ max98396->bypass_slot);
+ /* Voltage, current slot configuration */
+ regmap_write(max98396->regmap,
+ MAX98396_R2044_PCM_TX_CTRL_1,
+ max98396->v_slot);
+ regmap_write(max98396->regmap,
+ MAX98396_R2045_PCM_TX_CTRL_2,
+ max98396->i_slot);
+ regmap_write(max98396->regmap,
+ MAX98396_R204A_PCM_TX_CTRL_7,
+ max98396->spkfb_slot);
+
+ if (max98396->v_slot < 8)
+ if (max98396->device_id == CODEC_TYPE_MAX98396)
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2053_PCM_TX_HIZ_CTRL_8,
+ 1 << max98396->v_slot, 0);
+ else
+ regmap_update_bits(max98396->regmap,
+ MAX98397_R2054_PCM_TX_HIZ_CTRL_8,
+ 1 << max98396->v_slot, 0);
+ else
+ if (max98396->device_id == CODEC_TYPE_MAX98396)
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2052_PCM_TX_HIZ_CTRL_7,
+ 1 << (max98396->v_slot - 8), 0);
+ else
+ regmap_update_bits(max98396->regmap,
+ MAX98397_R2053_PCM_TX_HIZ_CTRL_7,
+ 1 << (max98396->v_slot - 8), 0);
+
+ if (max98396->i_slot < 8)
+ if (max98396->device_id == CODEC_TYPE_MAX98396)
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2053_PCM_TX_HIZ_CTRL_8,
+ 1 << max98396->i_slot, 0);
+ else
+ regmap_update_bits(max98396->regmap,
+ MAX98397_R2054_PCM_TX_HIZ_CTRL_8,
+ 1 << max98396->i_slot, 0);
+ else
+ if (max98396->device_id == CODEC_TYPE_MAX98396)
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2052_PCM_TX_HIZ_CTRL_7,
+ 1 << (max98396->i_slot - 8), 0);
+ else
+ regmap_update_bits(max98396->regmap,
+ MAX98397_R2053_PCM_TX_HIZ_CTRL_7,
+ 1 << (max98396->i_slot - 8), 0);
+
+ /* Set interleave mode */
+ if (max98396->interleave_mode)
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2041_PCM_MODE_CFG,
+ MAX98396_PCM_TX_CH_INTERLEAVE_MASK,
+ MAX98396_PCM_TX_CH_INTERLEAVE_MASK);
+
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2038_CLK_MON_CTRL,
+ MAX98396_CLK_MON_AUTO_RESTART_MASK,
+ MAX98396_CLK_MON_AUTO_RESTART_MASK);
+
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R203F_ENABLE_CTRLS,
+ MAX98396_CTRL_DMON_STUCK_EN_MASK,
+ max98396->dmon_stuck_enable ?
+ MAX98396_CTRL_DMON_STUCK_EN_MASK : 0);
+
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R203F_ENABLE_CTRLS,
+ MAX98396_CTRL_DMON_MAG_EN_MASK,
+ max98396->dmon_mag_enable ?
+ MAX98396_CTRL_DMON_MAG_EN_MASK : 0);
+
+ switch (max98396->dmon_duration) {
+ case 64:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_DURATION_MASK, 0);
+ break;
+ case 256:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_DURATION_MASK, 1);
+ break;
+ case 1024:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_DURATION_MASK, 2);
+ break;
+ case 4096:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_DURATION_MASK, 3);
+ break;
+ default:
+ dev_err(component->dev, "Invalid DMON duration %d\n",
+ max98396->dmon_duration);
+ }
+
+ switch (max98396->dmon_stuck_threshold) {
+ case 15:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_STUCK_THRESH_MASK,
+ 0 << MAX98396_DMON_STUCK_THRESH_SHIFT);
+ break;
+ case 13:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_STUCK_THRESH_MASK,
+ 1 << MAX98396_DMON_STUCK_THRESH_SHIFT);
+ break;
+ case 22:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_STUCK_THRESH_MASK,
+ 2 << MAX98396_DMON_STUCK_THRESH_SHIFT);
+ break;
+ case 9:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_STUCK_THRESH_MASK,
+ 3 << MAX98396_DMON_STUCK_THRESH_SHIFT);
+ break;
+ default:
+ dev_err(component->dev, "Invalid DMON stuck threshold %d\n",
+ max98396->dmon_stuck_threshold);
+ }
+
+ switch (max98396->dmon_mag_threshold) {
+ case 2 ... 5:
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R2039_DATA_MON_CTRL,
+ MAX98396_DMON_STUCK_THRESH_MASK,
+ (5 - max98396->dmon_mag_threshold)
+ << MAX98396_DMON_MAG_THRESH_SHIFT);
+ break;
+ default:
+ dev_err(component->dev, "Invalid DMON magnitude threshold %d\n",
+ max98396->dmon_mag_threshold);
+ }
+
+ /* Speaker Amplifier PCM RX Enable by default */
+ regmap_update_bits(max98396->regmap,
+ MAX98396_R205E_PCM_RX_EN,
+ MAX98396_PCM_RX_EN_MASK, 1);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int max98396_suspend(struct device *dev)
+{
+ struct max98396_priv *max98396 = dev_get_drvdata(dev);
+
+ regcache_cache_only(max98396->regmap, true);
+ regcache_mark_dirty(max98396->regmap);
+ regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES,
+ max98396->core_supplies);
+ if (max98396->pvdd)
+ regulator_disable(max98396->pvdd);
+
+ if (max98396->vbat)
+ regulator_disable(max98396->vbat);
+
+ return 0;
+}
+
+static int max98396_resume(struct device *dev)
+{
+ struct max98396_priv *max98396 = dev_get_drvdata(dev);
+ int ret;
+
+ ret = regulator_bulk_enable(MAX98396_NUM_CORE_SUPPLIES,
+ max98396->core_supplies);
+ if (ret < 0)
+ return ret;
+
+ if (max98396->pvdd) {
+ ret = regulator_enable(max98396->pvdd);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (max98396->vbat) {
+ ret = regulator_enable(max98396->vbat);
+ if (ret < 0)
+ return ret;
+ }
+
+ regcache_cache_only(max98396->regmap, false);
+ max98396_reset(max98396, dev);
+ regcache_sync(max98396->regmap);
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops max98396_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(max98396_suspend, max98396_resume)
+};
+
+static const struct snd_soc_component_driver soc_codec_dev_max98396 = {
+ .probe = max98396_probe,
+ .controls = max98396_snd_controls,
+ .num_controls = ARRAY_SIZE(max98396_snd_controls),
+ .dapm_widgets = max98396_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(max98396_dapm_widgets),
+ .dapm_routes = max98396_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(max98396_audio_map),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+
+static const struct snd_soc_component_driver soc_codec_dev_max98397 = {
+ .probe = max98396_probe,
+ .controls = max98397_snd_controls,
+ .num_controls = ARRAY_SIZE(max98397_snd_controls),
+ .dapm_widgets = max98396_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(max98396_dapm_widgets),
+ .dapm_routes = max98396_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(max98396_audio_map),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+
+static const struct regmap_config max98396_regmap = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .max_register = MAX98396_R21FF_REVISION_ID,
+ .reg_defaults = max98396_reg,
+ .num_reg_defaults = ARRAY_SIZE(max98396_reg),
+ .readable_reg = max98396_readable_register,
+ .volatile_reg = max98396_volatile_reg,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static const struct regmap_config max98397_regmap = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .max_register = MAX98397_R22FF_REVISION_ID,
+ .reg_defaults = max98397_reg,
+ .num_reg_defaults = ARRAY_SIZE(max98397_reg),
+ .readable_reg = max98397_readable_register,
+ .volatile_reg = max98397_volatile_reg,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static void max98396_read_device_property(struct device *dev,
+ struct max98396_priv *max98396)
+{
+ int value;
+
+ if (!device_property_read_u32(dev, "adi,vmon-slot-no", &value))
+ max98396->v_slot = value & 0xF;
+ else
+ max98396->v_slot = 0;
+
+ if (!device_property_read_u32(dev, "adi,imon-slot-no", &value))
+ max98396->i_slot = value & 0xF;
+ else
+ max98396->i_slot = 1;
+
+ if (!device_property_read_u32(dev, "adi,spkfb-slot-no", &value))
+ max98396->spkfb_slot = value & 0xF;
+ else
+ max98396->spkfb_slot = 2;
+
+ if (!device_property_read_u32(dev, "adi,bypass-slot-no", &value))
+ max98396->bypass_slot = value & 0xF;
+ else
+ max98396->bypass_slot = 0;
+
+ max98396->dmon_stuck_enable =
+ device_property_read_bool(dev, "adi,dmon-stuck-enable");
+
+ if (!device_property_read_u32(dev, "adi,dmon-stuck-threshold-bits", &value))
+ max98396->dmon_stuck_threshold = value;
+ else
+ max98396->dmon_stuck_threshold = 15;
+
+ max98396->dmon_mag_enable =
+ device_property_read_bool(dev, "adi,dmon-magnitude-enable");
+
+ if (!device_property_read_u32(dev, "adi,dmon-magnitude-threshold-bits", &value))
+ max98396->dmon_mag_threshold = value;
+ else
+ max98396->dmon_mag_threshold = 5;
+
+ if (!device_property_read_u32(dev, "adi,dmon-duration-ms", &value))
+ max98396->dmon_duration = value;
+ else
+ max98396->dmon_duration = 64;
+}
+
+static void max98396_core_supplies_disable(void *priv)
+{
+ struct max98396_priv *max98396 = priv;
+
+ regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES,
+ max98396->core_supplies);
+}
+
+static void max98396_supply_disable(void *r)
+{
+ regulator_disable((struct regulator *) r);
+}
+
+static int max98396_i2c_probe(struct i2c_client *i2c)
+{
+ const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
+ struct max98396_priv *max98396 = NULL;
+ int i, ret, reg;
+
+ max98396 = devm_kzalloc(&i2c->dev, sizeof(*max98396), GFP_KERNEL);
+
+ if (!max98396) {
+ ret = -ENOMEM;
+ return ret;
+ }
+ i2c_set_clientdata(i2c, max98396);
+
+ max98396->device_id = id->driver_data;
+
+ /* regmap initialization */
+ if (max98396->device_id == CODEC_TYPE_MAX98396)
+ max98396->regmap = devm_regmap_init_i2c(i2c, &max98396_regmap);
+
+ else
+ max98396->regmap = devm_regmap_init_i2c(i2c, &max98397_regmap);
+
+ if (IS_ERR(max98396->regmap)) {
+ ret = PTR_ERR(max98396->regmap);
+ dev_err(&i2c->dev,
+ "Failed to allocate regmap: %d\n", ret);
+ return ret;
+ }
+
+ /* Obtain regulator supplies */
+ for (i = 0; i < MAX98396_NUM_CORE_SUPPLIES; i++)
+ max98396->core_supplies[i].supply = max98396_core_supplies[i];
+
+ ret = devm_regulator_bulk_get(&i2c->dev, MAX98396_NUM_CORE_SUPPLIES,
+ max98396->core_supplies);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to request core supplies: %d\n", ret);
+ return ret;
+ }
+
+ max98396->vbat = devm_regulator_get_optional(&i2c->dev, "vbat");
+ if (IS_ERR(max98396->vbat)) {
+ if (PTR_ERR(max98396->vbat) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ max98396->vbat = NULL;
+ }
+
+ max98396->pvdd = devm_regulator_get_optional(&i2c->dev, "pvdd");
+ if (IS_ERR(max98396->pvdd)) {
+ if (PTR_ERR(max98396->pvdd) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ max98396->pvdd = NULL;
+ }
+
+ ret = regulator_bulk_enable(MAX98396_NUM_CORE_SUPPLIES,
+ max98396->core_supplies);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Unable to enable core supplies: %d", ret);
+ return ret;
+ }
+
+ ret = devm_add_action_or_reset(&i2c->dev, max98396_core_supplies_disable,
+ max98396);
+ if (ret < 0)
+ return ret;
+
+ if (max98396->pvdd) {
+ ret = regulator_enable(max98396->pvdd);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_add_action_or_reset(&i2c->dev,
+ max98396_supply_disable,
+ max98396->pvdd);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (max98396->vbat) {
+ ret = regulator_enable(max98396->vbat);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_add_action_or_reset(&i2c->dev,
+ max98396_supply_disable,
+ max98396->vbat);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* update interleave mode info */
+ if (device_property_read_bool(&i2c->dev, "adi,interleave_mode"))
+ max98396->interleave_mode = true;
+ else
+ max98396->interleave_mode = false;
+
+ /* voltage/current slot & gpio configuration */
+ max98396_read_device_property(&i2c->dev, max98396);
+
+ /* Reset the Device */
+ max98396->reset_gpio = devm_gpiod_get_optional(&i2c->dev,
+ "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(max98396->reset_gpio)) {
+ ret = PTR_ERR(max98396->reset_gpio);
+ dev_err(&i2c->dev, "Unable to request GPIO pin: %d.\n", ret);
+ return ret;
+ }
+
+ if (max98396->reset_gpio) {
+ usleep_range(5000, 6000);
+ gpiod_set_value_cansleep(max98396->reset_gpio, 0);
+ /* Wait for the hw reset done */
+ usleep_range(5000, 6000);
+ }
+
+ ret = regmap_read(max98396->regmap,
+ GET_REG_ADDR_REV_ID(max98396->device_id), &reg);
+ 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");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 20:24:59 +0000