// SPDX-License-Identifier: GPL-2.0-only /* * max98088.c -- MAX98088 ALSA SoC Audio driver * * Copyright 2010 Maxim Integrated Products */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "max98088.h" enum max98088_type { MAX98088, MAX98089, }; struct max98088_cdata { unsigned int rate; unsigned int fmt; int eq_sel; }; struct max98088_priv { struct regmap *regmap; enum max98088_type devtype; struct max98088_pdata *pdata; struct clk *mclk; unsigned char mclk_prescaler; unsigned int sysclk; struct max98088_cdata dai[2]; int eq_textcnt; const char **eq_texts; struct soc_enum eq_enum; u8 ina_state; u8 inb_state; unsigned int ex_mode; unsigned int digmic; unsigned int mic1pre; unsigned int mic2pre; unsigned int extmic_mode; }; static const struct reg_default max98088_reg[] = { { 0xf, 0x00 }, /* 0F interrupt enable */ { 0x10, 0x00 }, /* 10 master clock */ { 0x11, 0x00 }, /* 11 DAI1 clock mode */ { 0x12, 0x00 }, /* 12 DAI1 clock control */ { 0x13, 0x00 }, /* 13 DAI1 clock control */ { 0x14, 0x00 }, /* 14 DAI1 format */ { 0x15, 0x00 }, /* 15 DAI1 clock */ { 0x16, 0x00 }, /* 16 DAI1 config */ { 0x17, 0x00 }, /* 17 DAI1 TDM */ { 0x18, 0x00 }, /* 18 DAI1 filters */ { 0x19, 0x00 }, /* 19 DAI2 clock mode */ { 0x1a, 0x00 }, /* 1A DAI2 clock control */ { 0x1b, 0x00 }, /* 1B DAI2 clock control */ { 0x1c, 0x00 }, /* 1C DAI2 format */ { 0x1d, 0x00 }, /* 1D DAI2 clock */ { 0x1e, 0x00 }, /* 1E DAI2 config */ { 0x1f, 0x00 }, /* 1F DAI2 TDM */ { 0x20, 0x00 }, /* 20 DAI2 filters */ { 0x21, 0x00 }, /* 21 data config */ { 0x22, 0x00 }, /* 22 DAC mixer */ { 0x23, 0x00 }, /* 23 left ADC mixer */ { 0x24, 0x00 }, /* 24 right ADC mixer */ { 0x25, 0x00 }, /* 25 left HP mixer */ { 0x26, 0x00 }, /* 26 right HP mixer */ { 0x27, 0x00 }, /* 27 HP control */ { 0x28, 0x00 }, /* 28 left REC mixer */ { 0x29, 0x00 }, /* 29 right REC mixer */ { 0x2a, 0x00 }, /* 2A REC control */ { 0x2b, 0x00 }, /* 2B left SPK mixer */ { 0x2c, 0x00 }, /* 2C right SPK mixer */ { 0x2d, 0x00 }, /* 2D SPK control */ { 0x2e, 0x00 }, /* 2E sidetone */ { 0x2f, 0x00 }, /* 2F DAI1 playback level */ { 0x30, 0x00 }, /* 30 DAI1 playback level */ { 0x31, 0x00 }, /* 31 DAI2 playback level */ { 0x32, 0x00 }, /* 32 DAI2 playbakc level */ { 0x33, 0x00 }, /* 33 left ADC level */ { 0x34, 0x00 }, /* 34 right ADC level */ { 0x35, 0x00 }, /* 35 MIC1 level */ { 0x36, 0x00 }, /* 36 MIC2 level */ { 0x37, 0x00 }, /* 37 INA level */ { 0x38, 0x00 }, /* 38 INB level */ { 0x39, 0x00 }, /* 39 left HP volume */ { 0x3a, 0x00 }, /* 3A right HP volume */ { 0x3b, 0x00 }, /* 3B left REC volume */ { 0x3c, 0x00 }, /* 3C right REC volume */ { 0x3d, 0x00 }, /* 3D left SPK volume */ { 0x3e, 0x00 }, /* 3E right SPK volume */ { 0x3f, 0x00 }, /* 3F MIC config */ { 0x40, 0x00 }, /* 40 MIC threshold */ { 0x41, 0x00 }, /* 41 excursion limiter filter */ { 0x42, 0x00 }, /* 42 excursion limiter threshold */ { 0x43, 0x00 }, /* 43 ALC */ { 0x44, 0x00 }, /* 44 power limiter threshold */ { 0x45, 0x00 }, /* 45 power limiter config */ { 0x46, 0x00 }, /* 46 distortion limiter config */ { 0x47, 0x00 }, /* 47 audio input */ { 0x48, 0x00 }, /* 48 microphone */ { 0x49, 0x00 }, /* 49 level control */ { 0x4a, 0x00 }, /* 4A bypass switches */ { 0x4b, 0x00 }, /* 4B jack detect */ { 0x4c, 0x00 }, /* 4C input enable */ { 0x4d, 0x00 }, /* 4D output enable */ { 0x4e, 0xF0 }, /* 4E bias control */ { 0x4f, 0x00 }, /* 4F DAC power */ { 0x50, 0x0F }, /* 50 DAC power */ { 0x51, 0x00 }, /* 51 system */ { 0x52, 0x00 }, /* 52 DAI1 EQ1 */ { 0x53, 0x00 }, /* 53 DAI1 EQ1 */ { 0x54, 0x00 }, /* 54 DAI1 EQ1 */ { 0x55, 0x00 }, /* 55 DAI1 EQ1 */ { 0x56, 0x00 }, /* 56 DAI1 EQ1 */ { 0x57, 0x00 }, /* 57 DAI1 EQ1 */ { 0x58, 0x00 }, /* 58 DAI1 EQ1 */ { 0x59, 0x00 }, /* 59 DAI1 EQ1 */ { 0x5a, 0x00 }, /* 5A DAI1 EQ1 */ { 0x5b, 0x00 }, /* 5B DAI1 EQ1 */ { 0x5c, 0x00 }, /* 5C DAI1 EQ2 */ { 0x5d, 0x00 }, /* 5D DAI1 EQ2 */ { 0x5e, 0x00 }, /* 5E DAI1 EQ2 */ { 0x5f, 0x00 }, /* 5F DAI1 EQ2 */ { 0x60, 0x00 }, /* 60 DAI1 EQ2 */ { 0x61, 0x00 }, /* 61 DAI1 EQ2 */ { 0x62, 0x00 }, /* 62 DAI1 EQ2 */ { 0x63, 0x00 }, /* 63 DAI1 EQ2 */ { 0x64, 0x00 }, /* 64 DAI1 EQ2 */ { 0x65, 0x00 }, /* 65 DAI1 EQ2 */ { 0x66, 0x00 }, /* 66 DAI1 EQ3 */ { 0x67, 0x00 }, /* 67 DAI1 EQ3 */ { 0x68, 0x00 }, /* 68 DAI1 EQ3 */ { 0x69, 0x00 }, /* 69 DAI1 EQ3 */ { 0x6a, 0x00 }, /* 6A DAI1 EQ3 */ { 0x6b, 0x00 }, /* 6B DAI1 EQ3 */ { 0x6c, 0x00 }, /* 6C DAI1 EQ3 */ { 0x6d, 0x00 }, /* 6D DAI1 EQ3 */ { 0x6e, 0x00 }, /* 6E DAI1 EQ3 */ { 0x6f, 0x00 }, /* 6F DAI1 EQ3 */ { 0x70, 0x00 }, /* 70 DAI1 EQ4 */ { 0x71, 0x00 }, /* 71 DAI1 EQ4 */ { 0x72, 0x00 }, /* 72 DAI1 EQ4 */ { 0x73, 0x00 }, /* 73 DAI1 EQ4 */ { 0x74, 0x00 }, /* 74 DAI1 EQ4 */ { 0x75, 0x00 }, /* 75 DAI1 EQ4 */ { 0x76, 0x00 }, /* 76 DAI1 EQ4 */ { 0x77, 0x00 }, /* 77 DAI1 EQ4 */ { 0x78, 0x00 }, /* 78 DAI1 EQ4 */ { 0x79, 0x00 }, /* 79 DAI1 EQ4 */ { 0x7a, 0x00 }, /* 7A DAI1 EQ5 */ { 0x7b, 0x00 }, /* 7B DAI1 EQ5 */ { 0x7c, 0x00 }, /* 7C DAI1 EQ5 */ { 0x7d, 0x00 }, /* 7D DAI1 EQ5 */ { 0x7e, 0x00 }, /* 7E DAI1 EQ5 */ { 0x7f, 0x00 }, /* 7F DAI1 EQ5 */ { 0x80, 0x00 }, /* 80 DAI1 EQ5 */ { 0x81, 0x00 }, /* 81 DAI1 EQ5 */ { 0x82, 0x00 }, /* 82 DAI1 EQ5 */ { 0x83, 0x00 }, /* 83 DAI1 EQ5 */ { 0x84, 0x00 }, /* 84 DAI2 EQ1 */ { 0x85, 0x00 }, /* 85 DAI2 EQ1 */ { 0x86, 0x00 }, /* 86 DAI2 EQ1 */ { 0x87, 0x00 }, /* 87 DAI2 EQ1 */ { 0x88, 0x00 }, /* 88 DAI2 EQ1 */ { 0x89, 0x00 }, /* 89 DAI2 EQ1 */ { 0x8a, 0x00 }, /* 8A DAI2 EQ1 */ { 0x8b, 0x00 }, /* 8B DAI2 EQ1 */ { 0x8c, 0x00 }, /* 8C DAI2 EQ1 */ { 0x8d, 0x00 }, /* 8D DAI2 EQ1 */ { 0x8e, 0x00 }, /* 8E DAI2 EQ2 */ { 0x8f, 0x00 }, /* 8F DAI2 EQ2 */ { 0x90, 0x00 }, /* 90 DAI2 EQ2 */ { 0x91, 0x00 }, /* 91 DAI2 EQ2 */ { 0x92, 0x00 }, /* 92 DAI2 EQ2 */ { 0x93, 0x00 }, /* 93 DAI2 EQ2 */ { 0x94, 0x00 }, /* 94 DAI2 EQ2 */ { 0x95, 0x00 }, /* 95 DAI2 EQ2 */ { 0x96, 0x00 }, /* 96 DAI2 EQ2 */ { 0x97, 0x00 }, /* 97 DAI2 EQ2 */ { 0x98, 0x00 }, /* 98 DAI2 EQ3 */ { 0x99, 0x00 }, /* 99 DAI2 EQ3 */ { 0x9a, 0x00 }, /* 9A DAI2 EQ3 */ { 0x9b, 0x00 }, /* 9B DAI2 EQ3 */ { 0x9c, 0x00 }, /* 9C DAI2 EQ3 */ { 0x9d, 0x00 }, /* 9D DAI2 EQ3 */ { 0x9e, 0x00 }, /* 9E DAI2 EQ3 */ { 0x9f, 0x00 }, /* 9F DAI2 EQ3 */ { 0xa0, 0x00 }, /* A0 DAI2 EQ3 */ { 0xa1, 0x00 }, /* A1 DAI2 EQ3 */ { 0xa2, 0x00 }, /* A2 DAI2 EQ4 */ { 0xa3, 0x00 }, /* A3 DAI2 EQ4 */ { 0xa4, 0x00 }, /* A4 DAI2 EQ4 */ { 0xa5, 0x00 }, /* A5 DAI2 EQ4 */ { 0xa6, 0x00 }, /* A6 DAI2 EQ4 */ { 0xa7, 0x00 }, /* A7 DAI2 EQ4 */ { 0xa8, 0x00 }, /* A8 DAI2 EQ4 */ { 0xa9, 0x00 }, /* A9 DAI2 EQ4 */ { 0xaa, 0x00 }, /* AA DAI2 EQ4 */ { 0xab, 0x00 }, /* AB DAI2 EQ4 */ { 0xac, 0x00 }, /* AC DAI2 EQ5 */ { 0xad, 0x00 }, /* AD DAI2 EQ5 */ { 0xae, 0x00 }, /* AE DAI2 EQ5 */ { 0xaf, 0x00 }, /* AF DAI2 EQ5 */ { 0xb0, 0x00 }, /* B0 DAI2 EQ5 */ { 0xb1, 0x00 }, /* B1 DAI2 EQ5 */ { 0xb2, 0x00 }, /* B2 DAI2 EQ5 */ { 0xb3, 0x00 }, /* B3 DAI2 EQ5 */ { 0xb4, 0x00 }, /* B4 DAI2 EQ5 */ { 0xb5, 0x00 }, /* B5 DAI2 EQ5 */ { 0xb6, 0x00 }, /* B6 DAI1 biquad */ { 0xb7, 0x00 }, /* B7 DAI1 biquad */ { 0xb8 ,0x00 }, /* B8 DAI1 biquad */ { 0xb9, 0x00 }, /* B9 DAI1 biquad */ { 0xba, 0x00 }, /* BA DAI1 biquad */ { 0xbb, 0x00 }, /* BB DAI1 biquad */ { 0xbc, 0x00 }, /* BC DAI1 biquad */ { 0xbd, 0x00 }, /* BD DAI1 biquad */ { 0xbe, 0x00 }, /* BE DAI1 biquad */ { 0xbf, 0x00 }, /* BF DAI1 biquad */ { 0xc0, 0x00 }, /* C0 DAI2 biquad */ { 0xc1, 0x00 }, /* C1 DAI2 biquad */ { 0xc2, 0x00 }, /* C2 DAI2 biquad */ { 0xc3, 0x00 }, /* C3 DAI2 biquad */ { 0xc4, 0x00 }, /* C4 DAI2 biquad */ { 0xc5, 0x00 }, /* C5 DAI2 biquad */ { 0xc6, 0x00 }, /* C6 DAI2 biquad */ { 0xc7, 0x00 }, /* C7 DAI2 biquad */ { 0xc8, 0x00 }, /* C8 DAI2 biquad */ { 0xc9, 0x00 }, /* C9 DAI2 biquad */ }; static bool max98088_readable_register(struct device *dev, unsigned int reg) { switch (reg) { case M98088_REG_00_IRQ_STATUS ... 0xC9: case M98088_REG_FF_REV_ID: return true; default: return false; } } static bool max98088_writeable_register(struct device *dev, unsigned int reg) { switch (reg) { case M98088_REG_03_BATTERY_VOLTAGE ... 0xC9: return true; default: return false; } } static bool max98088_volatile_register(struct device *dev, unsigned int reg) { switch (reg) { case M98088_REG_00_IRQ_STATUS ... M98088_REG_03_BATTERY_VOLTAGE: case M98088_REG_FF_REV_ID: return true; default: return false; } } static const struct regmap_config max98088_regmap = { .reg_bits = 8, .val_bits = 8, .readable_reg = max98088_readable_register, .writeable_reg = max98088_writeable_register, .volatile_reg = max98088_volatile_register, .max_register = 0xff, .reg_defaults = max98088_reg, .num_reg_defaults = ARRAY_SIZE(max98088_reg), .cache_type = REGCACHE_RBTREE, }; /* * Load equalizer DSP coefficient configurations registers */ static void m98088_eq_band(struct snd_soc_component *component, unsigned int dai, unsigned int band, u16 *coefs) { unsigned int eq_reg; unsigned int i; if (WARN_ON(band > 4) || WARN_ON(dai > 1)) return; /* Load the base register address */ eq_reg = dai ? M98088_REG_84_DAI2_EQ_BASE : M98088_REG_52_DAI1_EQ_BASE; /* Add the band address offset, note adjustment for word address */ eq_reg += band * (M98088_COEFS_PER_BAND << 1); /* Step through the registers and coefs */ for (i = 0; i < M98088_COEFS_PER_BAND; i++) { snd_soc_component_write(component, eq_reg++, M98088_BYTE1(coefs[i])); snd_soc_component_write(component, eq_reg++, M98088_BYTE0(coefs[i])); } } /* * Excursion limiter modes */ static const char *max98088_exmode_texts[] = { "Off", "100Hz", "400Hz", "600Hz", "800Hz", "1000Hz", "200-400Hz", "400-600Hz", "400-800Hz", }; static const unsigned int max98088_exmode_values[] = { 0x00, 0x43, 0x10, 0x20, 0x30, 0x40, 0x11, 0x22, 0x32 }; static SOC_VALUE_ENUM_SINGLE_DECL(max98088_exmode_enum, M98088_REG_41_SPKDHP, 0, 127, max98088_exmode_texts, max98088_exmode_values); static const char *max98088_ex_thresh[] = { /* volts PP */ "0.6", "1.2", "1.8", "2.4", "3.0", "3.6", "4.2", "4.8"}; static SOC_ENUM_SINGLE_DECL(max98088_ex_thresh_enum, M98088_REG_42_SPKDHP_THRESH, 0, max98088_ex_thresh); static const char *max98088_fltr_mode[] = {"Voice", "Music" }; static SOC_ENUM_SINGLE_DECL(max98088_filter_mode_enum, M98088_REG_18_DAI1_FILTERS, 7, max98088_fltr_mode); static const char *max98088_extmic_text[] = { "None", "MIC1", "MIC2" }; static SOC_ENUM_SINGLE_DECL(max98088_extmic_enum, M98088_REG_48_CFG_MIC, 0, max98088_extmic_text); static const struct snd_kcontrol_new max98088_extmic_mux = SOC_DAPM_ENUM("External MIC Mux", max98088_extmic_enum); static const char *max98088_dai1_fltr[] = { "Off", "fc=258/fs=16k", "fc=500/fs=16k", "fc=258/fs=8k", "fc=500/fs=8k", "fc=200"}; static SOC_ENUM_SINGLE_DECL(max98088_dai1_dac_filter_enum, M98088_REG_18_DAI1_FILTERS, 0, max98088_dai1_fltr); static SOC_ENUM_SINGLE_DECL(max98088_dai1_adc_filter_enum, M98088_REG_18_DAI1_FILTERS, 4, max98088_dai1_fltr); static int max98088_mic1pre_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); unsigned int sel = ucontrol->value.integer.value[0]; max98088->mic1pre = sel; snd_soc_component_update_bits(component, M98088_REG_35_LVL_MIC1, M98088_MICPRE_MASK, (1+sel)<value.integer.value[0] = max98088->mic1pre; return 0; } static int max98088_mic2pre_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); unsigned int sel = ucontrol->value.integer.value[0]; max98088->mic2pre = sel; snd_soc_component_update_bits(component, M98088_REG_36_LVL_MIC2, M98088_MICPRE_MASK, (1+sel)<value.integer.value[0] = max98088->mic2pre; return 0; } static const DECLARE_TLV_DB_RANGE(max98088_micboost_tlv, 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0), 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0) ); static const DECLARE_TLV_DB_RANGE(max98088_hp_tlv, 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0), 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0), 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0), 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0), 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0) ); static const DECLARE_TLV_DB_RANGE(max98088_spk_tlv, 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0), 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0), 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0), 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0), 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0) ); static const struct snd_kcontrol_new max98088_snd_controls[] = { SOC_DOUBLE_R_TLV("Headphone Volume", M98088_REG_39_LVL_HP_L, M98088_REG_3A_LVL_HP_R, 0, 31, 0, max98088_hp_tlv), SOC_DOUBLE_R_TLV("Speaker Volume", M98088_REG_3D_LVL_SPK_L, M98088_REG_3E_LVL_SPK_R, 0, 31, 0, max98088_spk_tlv), SOC_DOUBLE_R_TLV("Receiver Volume", M98088_REG_3B_LVL_REC_L, M98088_REG_3C_LVL_REC_R, 0, 31, 0, max98088_spk_tlv), SOC_DOUBLE_R("Headphone Switch", M98088_REG_39_LVL_HP_L, M98088_REG_3A_LVL_HP_R, 7, 1, 1), SOC_DOUBLE_R("Speaker Switch", M98088_REG_3D_LVL_SPK_L, M98088_REG_3E_LVL_SPK_R, 7, 1, 1), SOC_DOUBLE_R("Receiver Switch", M98088_REG_3B_LVL_REC_L, M98088_REG_3C_LVL_REC_R, 7, 1, 1), SOC_SINGLE("MIC1 Volume", M98088_REG_35_LVL_MIC1, 0, 31, 1), SOC_SINGLE("MIC2 Volume", M98088_REG_36_LVL_MIC2, 0, 31, 1), SOC_SINGLE_EXT_TLV("MIC1 Boost Volume", M98088_REG_35_LVL_MIC1, 5, 2, 0, max98088_mic1pre_get, max98088_mic1pre_set, max98088_micboost_tlv), SOC_SINGLE_EXT_TLV("MIC2 Boost Volume", M98088_REG_36_LVL_MIC2, 5, 2, 0, max98088_mic2pre_get, max98088_mic2pre_set, max98088_micboost_tlv), SOC_SINGLE("Noise Gate Threshold", M98088_REG_40_MICAGC_THRESH, 4, 15, 0), SOC_SINGLE("INA Volume", M98088_REG_37_LVL_INA, 0, 7, 1), SOC_SINGLE("INB Volume", M98088_REG_38_LVL_INB, 0, 7, 1), SOC_SINGLE("DACL Volume", M98088_REG_2F_LVL_DAI1_PLAY, 0, 15, 1), SOC_SINGLE("DACR Volume", M98088_REG_31_LVL_DAI2_PLAY, 0, 15, 1), SOC_SINGLE("ADCL Volume", M98088_REG_33_LVL_ADC_L, 0, 15, 0), SOC_SINGLE("ADCR Volume", M98088_REG_34_LVL_ADC_R, 0, 15, 0), SOC_SINGLE("ADCL Boost Volume", M98088_REG_33_LVL_ADC_L, 4, 3, 0), SOC_SINGLE("ADCR Boost Volume", M98088_REG_34_LVL_ADC_R, 4, 3, 0), SOC_SINGLE("Left HP Output Mixer Switch", M98088_REG_27_MIX_HP_CNTL, 4, 1, 0), SOC_SINGLE("Right HP Output Mixer Switch", M98088_REG_27_MIX_HP_CNTL, 5, 1, 0), SOC_SINGLE("EQ1 Switch", M98088_REG_49_CFG_LEVEL, 0, 1, 0), SOC_SINGLE("EQ2 Switch", M98088_REG_49_CFG_LEVEL, 1, 1, 0), SOC_ENUM("EX Limiter Mode", max98088_exmode_enum), SOC_ENUM("EX Limiter Threshold", max98088_ex_thresh_enum), SOC_ENUM("DAI1 Filter Mode", max98088_filter_mode_enum), SOC_ENUM("DAI1 DAC Filter", max98088_dai1_dac_filter_enum), SOC_ENUM("DAI1 ADC Filter", max98088_dai1_adc_filter_enum), SOC_SINGLE("DAI2 DC Block Switch", M98088_REG_20_DAI2_FILTERS, 0, 1, 0), SOC_SINGLE("ALC Switch", M98088_REG_43_SPKALC_COMP, 7, 1, 0), SOC_SINGLE("ALC Threshold", M98088_REG_43_SPKALC_COMP, 0, 7, 0), SOC_SINGLE("ALC Multiband", M98088_REG_43_SPKALC_COMP, 3, 1, 0), SOC_SINGLE("ALC Release Time", M98088_REG_43_SPKALC_COMP, 4, 7, 0), SOC_SINGLE("PWR Limiter Threshold", M98088_REG_44_PWRLMT_CFG, 4, 15, 0), SOC_SINGLE("PWR Limiter Weight", M98088_REG_44_PWRLMT_CFG, 0, 7, 0), SOC_SINGLE("PWR Limiter Time1", M98088_REG_45_PWRLMT_TIME, 0, 15, 0), SOC_SINGLE("PWR Limiter Time2", M98088_REG_45_PWRLMT_TIME, 4, 15, 0), SOC_SINGLE("THD Limiter Threshold", M98088_REG_46_THDLMT_CFG, 4, 15, 0), SOC_SINGLE("THD Limiter Time", M98088_REG_46_THDLMT_CFG, 0, 7, 0), }; /* Left speaker mixer switch */ static const struct snd_kcontrol_new max98088_left_speaker_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0), SOC_DAPM_SINGLE("Right DAC Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 5, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 6, 1, 0), SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 1, 1, 0), SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 2, 1, 0), SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 3, 1, 0), SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 4, 1, 0), }; /* Right speaker mixer switch */ static const struct snd_kcontrol_new max98088_right_speaker_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0), SOC_DAPM_SINGLE("Right DAC Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 5, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 6, 1, 0), SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 1, 1, 0), SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 2, 1, 0), SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 3, 1, 0), SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 4, 1, 0), }; /* Left headphone mixer switch */ static const struct snd_kcontrol_new max98088_left_hp_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0), SOC_DAPM_SINGLE("Right DAC Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_25_MIX_HP_LEFT, 5, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_25_MIX_HP_LEFT, 6, 1, 0), SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_25_MIX_HP_LEFT, 1, 1, 0), SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_25_MIX_HP_LEFT, 2, 1, 0), SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_25_MIX_HP_LEFT, 3, 1, 0), SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_25_MIX_HP_LEFT, 4, 1, 0), }; /* Right headphone mixer switch */ static const struct snd_kcontrol_new max98088_right_hp_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0), SOC_DAPM_SINGLE("Right DAC Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 5, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 6, 1, 0), SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_26_MIX_HP_RIGHT, 1, 1, 0), SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_26_MIX_HP_RIGHT, 2, 1, 0), SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_26_MIX_HP_RIGHT, 3, 1, 0), SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_26_MIX_HP_RIGHT, 4, 1, 0), }; /* Left earpiece/receiver mixer switch */ static const struct snd_kcontrol_new max98088_left_rec_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0), SOC_DAPM_SINGLE("Right DAC Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_28_MIX_REC_LEFT, 5, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_28_MIX_REC_LEFT, 6, 1, 0), SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_28_MIX_REC_LEFT, 1, 1, 0), SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_28_MIX_REC_LEFT, 2, 1, 0), SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_28_MIX_REC_LEFT, 3, 1, 0), SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_28_MIX_REC_LEFT, 4, 1, 0), }; /* Right earpiece/receiver mixer switch */ static const struct snd_kcontrol_new max98088_right_rec_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0), SOC_DAPM_SINGLE("Right DAC Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 5, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 6, 1, 0), SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_29_MIX_REC_RIGHT, 1, 1, 0), SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_29_MIX_REC_RIGHT, 2, 1, 0), SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_29_MIX_REC_RIGHT, 3, 1, 0), SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_29_MIX_REC_RIGHT, 4, 1, 0), }; /* Left ADC mixer switch */ static const struct snd_kcontrol_new max98088_left_ADC_mixer_controls[] = { SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_23_MIX_ADC_LEFT, 7, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_23_MIX_ADC_LEFT, 6, 1, 0), SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_23_MIX_ADC_LEFT, 3, 1, 0), SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_23_MIX_ADC_LEFT, 2, 1, 0), SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_23_MIX_ADC_LEFT, 1, 1, 0), SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_23_MIX_ADC_LEFT, 0, 1, 0), }; /* Right ADC mixer switch */ static const struct snd_kcontrol_new max98088_right_ADC_mixer_controls[] = { SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 7, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 6, 1, 0), SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 3, 1, 0), SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 2, 1, 0), SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 1, 1, 0), SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 0, 1, 0), }; static int max98088_mic_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 max98088_priv *max98088 = snd_soc_component_get_drvdata(component); switch (event) { case SND_SOC_DAPM_POST_PMU: if (w->reg == M98088_REG_35_LVL_MIC1) { snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK, (1+max98088->mic1pre)<reg, M98088_MICPRE_MASK, (1+max98088->mic2pre)<reg, M98088_MICPRE_MASK, 0); break; default: return -EINVAL; } return 0; } /* * The line inputs are 2-channel stereo inputs with the left * and right channels sharing a common PGA power control signal. */ static int max98088_line_pga(struct snd_soc_dapm_widget *w, int event, int line, u8 channel) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); u8 *state; if (WARN_ON(!(channel == 1 || channel == 2))) return -EINVAL; switch (line) { case LINE_INA: state = &max98088->ina_state; break; case LINE_INB: state = &max98088->inb_state; break; default: return -EINVAL; } switch (event) { case SND_SOC_DAPM_POST_PMU: *state |= channel; snd_soc_component_update_bits(component, w->reg, (1 << w->shift), (1 << w->shift)); break; case SND_SOC_DAPM_POST_PMD: *state &= ~channel; if (*state == 0) { snd_soc_component_update_bits(component, w->reg, (1 << w->shift), 0); } break; default: return -EINVAL; } return 0; } static int max98088_pga_ina1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { return max98088_line_pga(w, event, LINE_INA, 1); } static int max98088_pga_ina2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { return max98088_line_pga(w, event, LINE_INA, 2); } static int max98088_pga_inb1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { return max98088_line_pga(w, event, LINE_INB, 1); } static int max98088_pga_inb2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { return max98088_line_pga(w, event, LINE_INB, 2); } static const struct snd_soc_dapm_widget max98088_dapm_widgets[] = { SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 1, 0), SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 0, 0), SND_SOC_DAPM_DAC("DACL", "HiFi Playback", M98088_REG_4D_PWR_EN_OUT, 1, 0), SND_SOC_DAPM_DAC("DACR", "HiFi Playback", M98088_REG_4D_PWR_EN_OUT, 0, 0), SND_SOC_DAPM_PGA("HP Left Out", M98088_REG_4D_PWR_EN_OUT, 7, 0, NULL, 0), SND_SOC_DAPM_PGA("HP Right Out", M98088_REG_4D_PWR_EN_OUT, 6, 0, NULL, 0), SND_SOC_DAPM_PGA("SPK Left Out", M98088_REG_4D_PWR_EN_OUT, 5, 0, NULL, 0), SND_SOC_DAPM_PGA("SPK Right Out", M98088_REG_4D_PWR_EN_OUT, 4, 0, NULL, 0), SND_SOC_DAPM_PGA("REC Left Out", M98088_REG_4D_PWR_EN_OUT, 3, 0, NULL, 0), SND_SOC_DAPM_PGA("REC Right Out", M98088_REG_4D_PWR_EN_OUT, 2, 0, NULL, 0), SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0, &max98088_extmic_mux), SND_SOC_DAPM_MIXER("Left HP Mixer", SND_SOC_NOPM, 0, 0, &max98088_left_hp_mixer_controls[0], ARRAY_SIZE(max98088_left_hp_mixer_controls)), SND_SOC_DAPM_MIXER("Right HP Mixer", SND_SOC_NOPM, 0, 0, &max98088_right_hp_mixer_controls[0], ARRAY_SIZE(max98088_right_hp_mixer_controls)), SND_SOC_DAPM_MIXER("Left SPK Mixer", SND_SOC_NOPM, 0, 0, &max98088_left_speaker_mixer_controls[0], ARRAY_SIZE(max98088_left_speaker_mixer_controls)), SND_SOC_DAPM_MIXER("Right SPK Mixer", SND_SOC_NOPM, 0, 0, &max98088_right_speaker_mixer_controls[0], ARRAY_SIZE(max98088_right_speaker_mixer_controls)), SND_SOC_DAPM_MIXER("Left REC Mixer", SND_SOC_NOPM, 0, 0, &max98088_left_rec_mixer_controls[0], ARRAY_SIZE(max98088_left_rec_mixer_controls)), SND_SOC_DAPM_MIXER("Right REC Mixer", SND_SOC_NOPM, 0, 0, &max98088_right_rec_mixer_controls[0], ARRAY_SIZE(max98088_right_rec_mixer_controls)), SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0, &max98088_left_ADC_mixer_controls[0], ARRAY_SIZE(max98088_left_ADC_mixer_controls)), SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0, &max98088_right_ADC_mixer_controls[0], ARRAY_SIZE(max98088_right_ADC_mixer_controls)), SND_SOC_DAPM_PGA_E("MIC1 Input", M98088_REG_35_LVL_MIC1, 5, 0, NULL, 0, max98088_mic_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("MIC2 Input", M98088_REG_36_LVL_MIC2, 5, 0, NULL, 0, max98088_mic_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("INA1 Input", M98088_REG_4C_PWR_EN_IN, 7, 0, NULL, 0, max98088_pga_ina1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("INA2 Input", M98088_REG_4C_PWR_EN_IN, 7, 0, NULL, 0, max98088_pga_ina2_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("INB1 Input", M98088_REG_4C_PWR_EN_IN, 6, 0, NULL, 0, max98088_pga_inb1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("INB2 Input", M98088_REG_4C_PWR_EN_IN, 6, 0, NULL, 0, max98088_pga_inb2_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_MICBIAS("MICBIAS", M98088_REG_4C_PWR_EN_IN, 3, 0), SND_SOC_DAPM_OUTPUT("HPL"), SND_SOC_DAPM_OUTPUT("HPR"), SND_SOC_DAPM_OUTPUT("SPKL"), SND_SOC_DAPM_OUTPUT("SPKR"), SND_SOC_DAPM_OUTPUT("RECL"), SND_SOC_DAPM_OUTPUT("RECR"), SND_SOC_DAPM_INPUT("MIC1"), SND_SOC_DAPM_INPUT("MIC2"), SND_SOC_DAPM_INPUT("INA1"), SND_SOC_DAPM_INPUT("INA2"), SND_SOC_DAPM_INPUT("INB1"), SND_SOC_DAPM_INPUT("INB2"), }; static const struct snd_soc_dapm_route max98088_audio_map[] = { /* Left headphone output mixer */ {"Left HP Mixer", "Left DAC Switch", "DACL"}, {"Left HP Mixer", "Right DAC Switch", "DACR"}, {"Left HP Mixer", "MIC1 Switch", "MIC1 Input"}, {"Left HP Mixer", "MIC2 Switch", "MIC2 Input"}, {"Left HP Mixer", "INA1 Switch", "INA1 Input"}, {"Left HP Mixer", "INA2 Switch", "INA2 Input"}, {"Left HP Mixer", "INB1 Switch", "INB1 Input"}, {"Left HP Mixer", "INB2 Switch", "INB2 Input"}, /* Right headphone output mixer */ {"Right HP Mixer", "Left DAC Switch", "DACL"}, {"Right HP Mixer", "Right DAC Switch", "DACR"}, {"Right HP Mixer", "MIC1 Switch", "MIC1 Input"}, {"Right HP Mixer", "MIC2 Switch", "MIC2 Input"}, {"Right HP Mixer", "INA1 Switch", "INA1 Input"}, {"Right HP Mixer", "INA2 Switch", "INA2 Input"}, {"Right HP Mixer", "INB1 Switch", "INB1 Input"}, {"Right HP Mixer", "INB2 Switch", "INB2 Input"}, /* Left speaker output mixer */ {"Left SPK Mixer", "Left DAC Switch", "DACL"}, {"Left SPK Mixer", "Right DAC Switch", "DACR"}, {"Left SPK Mixer", "MIC1 Switch", "MIC1 Input"}, {"Left SPK Mixer", "MIC2 Switch", "MIC2 Input"}, {"Left SPK Mixer", "INA1 Switch", "INA1 Input"}, {"Left SPK Mixer", "INA2 Switch", "INA2 Input"}, {"Left SPK Mixer", "INB1 Switch", "INB1 Input"}, {"Left SPK Mixer", "INB2 Switch", "INB2 Input"}, /* Right speaker output mixer */ {"Right SPK Mixer", "Left DAC Switch", "DACL"}, {"Right SPK Mixer", "Right DAC Switch", "DACR"}, {"Right SPK Mixer", "MIC1 Switch", "MIC1 Input"}, {"Right SPK Mixer", "MIC2 Switch", "MIC2 Input"}, {"Right SPK Mixer", "INA1 Switch", "INA1 Input"}, {"Right SPK Mixer", "INA2 Switch", "INA2 Input"}, {"Right SPK Mixer", "INB1 Switch", "INB1 Input"}, {"Right SPK Mixer", "INB2 Switch", "INB2 Input"}, /* Earpiece/Receiver output mixer */ {"Left REC Mixer", "Left DAC Switch", "DACL"}, {"Left REC Mixer", "Right DAC Switch", "DACR"}, {"Left REC Mixer", "MIC1 Switch", "MIC1 Input"}, {"Left REC Mixer", "MIC2 Switch", "MIC2 Input"}, {"Left REC Mixer", "INA1 Switch", "INA1 Input"}, {"Left REC Mixer", "INA2 Switch", "INA2 Input"}, {"Left REC Mixer", "INB1 Switch", "INB1 Input"}, {"Left REC Mixer", "INB2 Switch", "INB2 Input"}, /* Earpiece/Receiver output mixer */ {"Right REC Mixer", "Left DAC Switch", "DACL"}, {"Right REC Mixer", "Right DAC Switch", "DACR"}, {"Right REC Mixer", "MIC1 Switch", "MIC1 Input"}, {"Right REC Mixer", "MIC2 Switch", "MIC2 Input"}, {"Right REC Mixer", "INA1 Switch", "INA1 Input"}, {"Right REC Mixer", "INA2 Switch", "INA2 Input"}, {"Right REC Mixer", "INB1 Switch", "INB1 Input"}, {"Right REC Mixer", "INB2 Switch", "INB2 Input"}, {"HP Left Out", NULL, "Left HP Mixer"}, {"HP Right Out", NULL, "Right HP Mixer"}, {"SPK Left Out", NULL, "Left SPK Mixer"}, {"SPK Right Out", NULL, "Right SPK Mixer"}, {"REC Left Out", NULL, "Left REC Mixer"}, {"REC Right Out", NULL, "Right REC Mixer"}, {"HPL", NULL, "HP Left Out"}, {"HPR", NULL, "HP Right Out"}, {"SPKL", NULL, "SPK Left Out"}, {"SPKR", NULL, "SPK Right Out"}, {"RECL", NULL, "REC Left Out"}, {"RECR", NULL, "REC Right Out"}, /* Left ADC input mixer */ {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"}, {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"}, {"Left ADC Mixer", "INA1 Switch", "INA1 Input"}, {"Left ADC Mixer", "INA2 Switch", "INA2 Input"}, {"Left ADC Mixer", "INB1 Switch", "INB1 Input"}, {"Left ADC Mixer", "INB2 Switch", "INB2 Input"}, /* Right ADC input mixer */ {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"}, {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"}, {"Right ADC Mixer", "INA1 Switch", "INA1 Input"}, {"Right ADC Mixer", "INA2 Switch", "INA2 Input"}, {"Right ADC Mixer", "INB1 Switch", "INB1 Input"}, {"Right ADC Mixer", "INB2 Switch", "INB2 Input"}, /* Inputs */ {"ADCL", NULL, "Left ADC Mixer"}, {"ADCR", NULL, "Right ADC Mixer"}, {"INA1 Input", NULL, "INA1"}, {"INA2 Input", NULL, "INA2"}, {"INB1 Input", NULL, "INB1"}, {"INB2 Input", NULL, "INB2"}, {"MIC1 Input", NULL, "MIC1"}, {"MIC2 Input", NULL, "MIC2"}, }; /* codec mclk clock divider coefficients */ static const struct { u32 rate; u8 sr; } rate_table[] = { {8000, 0x10}, {11025, 0x20}, {16000, 0x30}, {22050, 0x40}, {24000, 0x50}, {32000, 0x60}, {44100, 0x70}, {48000, 0x80}, {88200, 0x90}, {96000, 0xA0}, }; static inline int rate_value(int rate, u8 *value) { int i; for (i = 0; i < ARRAY_SIZE(rate_table); i++) { if (rate_table[i].rate >= rate) { *value = rate_table[i].sr; return 0; } } *value = rate_table[0].sr; return -EINVAL; } static int max98088_dai1_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 max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_cdata *cdata; unsigned long long ni; unsigned int rate; u8 regval; cdata = &max98088->dai[0]; rate = params_rate(params); switch (params_width(params)) { case 16: snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT, M98088_DAI_WS, 0); break; case 24: snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT, M98088_DAI_WS, M98088_DAI_WS); break; default: return -EINVAL; } snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0); if (rate_value(rate, ®val)) return -EINVAL; snd_soc_component_update_bits(component, M98088_REG_11_DAI1_CLKMODE, M98088_CLKMODE_MASK, regval); cdata->rate = rate; /* Configure NI when operating as master */ if (snd_soc_component_read(component, M98088_REG_14_DAI1_FORMAT) & M98088_DAI_MAS) { unsigned long pclk; if (max98088->sysclk == 0) { dev_err(component->dev, "Invalid system clock frequency\n"); return -EINVAL; } ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) * (unsigned long long int)rate; pclk = DIV_ROUND_CLOSEST(max98088->sysclk, max98088->mclk_prescaler); ni = DIV_ROUND_CLOSEST_ULL(ni, pclk); snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI, (ni >> 8) & 0x7F); snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO, ni & 0xFF); } /* Update sample rate mode */ if (rate < 50000) snd_soc_component_update_bits(component, M98088_REG_18_DAI1_FILTERS, M98088_DAI_DHF, 0); else snd_soc_component_update_bits(component, M98088_REG_18_DAI1_FILTERS, M98088_DAI_DHF, M98088_DAI_DHF); snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, M98088_SHDNRUN); return 0; } static int max98088_dai2_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 max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_cdata *cdata; unsigned long long ni; unsigned int rate; u8 regval; cdata = &max98088->dai[1]; rate = params_rate(params); switch (params_width(params)) { case 16: snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT, M98088_DAI_WS, 0); break; case 24: snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT, M98088_DAI_WS, M98088_DAI_WS); break; default: return -EINVAL; } snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0); if (rate_value(rate, ®val)) return -EINVAL; snd_soc_component_update_bits(component, M98088_REG_19_DAI2_CLKMODE, M98088_CLKMODE_MASK, regval); cdata->rate = rate; /* Configure NI when operating as master */ if (snd_soc_component_read(component, M98088_REG_1C_DAI2_FORMAT) & M98088_DAI_MAS) { unsigned long pclk; if (max98088->sysclk == 0) { dev_err(component->dev, "Invalid system clock frequency\n"); return -EINVAL; } ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) * (unsigned long long int)rate; pclk = DIV_ROUND_CLOSEST(max98088->sysclk, max98088->mclk_prescaler); ni = DIV_ROUND_CLOSEST_ULL(ni, pclk); snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI, (ni >> 8) & 0x7F); snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO, ni & 0xFF); } /* Update sample rate mode */ if (rate < 50000) snd_soc_component_update_bits(component, M98088_REG_20_DAI2_FILTERS, M98088_DAI_DHF, 0); else snd_soc_component_update_bits(component, M98088_REG_20_DAI2_FILTERS, M98088_DAI_DHF, M98088_DAI_DHF); snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, M98088_SHDNRUN); return 0; } static int max98088_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_component *component = dai->component; struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); /* Requested clock frequency is already setup */ if (freq == max98088->sysclk) return 0; if (!IS_ERR(max98088->mclk)) { freq = clk_round_rate(max98088->mclk, freq); clk_set_rate(max98088->mclk, freq); } /* Setup clocks for slave mode, and using the PLL * PSCLK = 0x01 (when master clk is 10MHz to 20MHz) * 0x02 (when master clk is 20MHz to 30MHz).. */ if ((freq >= 10000000) && (freq < 20000000)) { snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x10); max98088->mclk_prescaler = 1; } else if ((freq >= 20000000) && (freq < 30000000)) { snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x20); max98088->mclk_prescaler = 2; } else { dev_err(component->dev, "Invalid master clock frequency\n"); return -EINVAL; } if (snd_soc_component_read(component, M98088_REG_51_PWR_SYS) & M98088_SHDNRUN) { snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0); snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, M98088_SHDNRUN); } dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq); max98088->sysclk = freq; return 0; } static int max98088_dai1_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_component *component = codec_dai->component; struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_cdata *cdata; u8 reg15val; u8 reg14val = 0; cdata = &max98088->dai[0]; if (fmt != cdata->fmt) { cdata->fmt = fmt; switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { case SND_SOC_DAIFMT_CBC_CFC: /* Consumer mode PLL */ snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI, 0x80); snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO, 0x00); break; case SND_SOC_DAIFMT_CBP_CFP: /* Set to provider mode */ reg14val |= M98088_DAI_MAS; break; default: dev_err(component->dev, "Clock mode unsupported"); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: reg14val |= M98088_DAI_DLY; break; case SND_SOC_DAIFMT_LEFT_J: break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_NB_IF: reg14val |= M98088_DAI_WCI; break; case SND_SOC_DAIFMT_IB_NF: reg14val |= M98088_DAI_BCI; break; case SND_SOC_DAIFMT_IB_IF: reg14val |= M98088_DAI_BCI|M98088_DAI_WCI; break; default: return -EINVAL; } snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT, M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI | M98088_DAI_WCI, reg14val); reg15val = M98088_DAI_BSEL64; if (max98088->digmic) reg15val |= M98088_DAI_OSR64; snd_soc_component_write(component, M98088_REG_15_DAI1_CLOCK, reg15val); } return 0; } static int max98088_dai2_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_component *component = codec_dai->component; struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_cdata *cdata; u8 reg1Cval = 0; cdata = &max98088->dai[1]; if (fmt != cdata->fmt) { cdata->fmt = fmt; switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { case SND_SOC_DAIFMT_CBC_CFC: /* Consumer mode PLL */ snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI, 0x80); snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO, 0x00); break; case SND_SOC_DAIFMT_CBP_CFP: /* Set to provider mode */ reg1Cval |= M98088_DAI_MAS; break; default: dev_err(component->dev, "Clock mode unsupported"); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: reg1Cval |= M98088_DAI_DLY; break; case SND_SOC_DAIFMT_LEFT_J: break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_NB_IF: reg1Cval |= M98088_DAI_WCI; break; case SND_SOC_DAIFMT_IB_NF: reg1Cval |= M98088_DAI_BCI; break; case SND_SOC_DAIFMT_IB_IF: reg1Cval |= M98088_DAI_BCI|M98088_DAI_WCI; break; default: return -EINVAL; } snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT, M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI | M98088_DAI_WCI, reg1Cval); snd_soc_component_write(component, M98088_REG_1D_DAI2_CLOCK, M98088_DAI_BSEL64); } return 0; } static int max98088_dai1_mute(struct snd_soc_dai *codec_dai, int mute, int direction) { struct snd_soc_component *component = codec_dai->component; int reg; if (mute) reg = M98088_DAI_MUTE; else reg = 0; snd_soc_component_update_bits(component, M98088_REG_2F_LVL_DAI1_PLAY, M98088_DAI_MUTE_MASK, reg); return 0; } static int max98088_dai2_mute(struct snd_soc_dai *codec_dai, int mute, int direction) { struct snd_soc_component *component = codec_dai->component; int reg; if (mute) reg = M98088_DAI_MUTE; else reg = 0; snd_soc_component_update_bits(component, M98088_REG_31_LVL_DAI2_PLAY, M98088_DAI_MUTE_MASK, reg); return 0; } static int max98088_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); int ret; switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: /* * SND_SOC_BIAS_PREPARE is called while preparing for a * transition to ON or away from ON. If current bias_level * is SND_SOC_BIAS_ON, then it is preparing for a transition * away from ON. Disable the clock in that case, otherwise * enable it. */ if (!IS_ERR(max98088->mclk)) { if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) { clk_disable_unprepare(max98088->mclk); } else { ret = clk_prepare_enable(max98088->mclk); if (ret) return ret; } } break; case SND_SOC_BIAS_STANDBY: if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) regcache_sync(max98088->regmap); snd_soc_component_update_bits(component, M98088_REG_4C_PWR_EN_IN, M98088_MBEN, M98088_MBEN); break; case SND_SOC_BIAS_OFF: snd_soc_component_update_bits(component, M98088_REG_4C_PWR_EN_IN, M98088_MBEN, 0); regcache_mark_dirty(max98088->regmap); break; } return 0; } #define MAX98088_RATES SNDRV_PCM_RATE_8000_96000 #define MAX98088_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) static const struct snd_soc_dai_ops max98088_dai1_ops = { .set_sysclk = max98088_dai_set_sysclk, .set_fmt = max98088_dai1_set_fmt, .hw_params = max98088_dai1_hw_params, .mute_stream = max98088_dai1_mute, .no_capture_mute = 1, }; static const struct snd_soc_dai_ops max98088_dai2_ops = { .set_sysclk = max98088_dai_set_sysclk, .set_fmt = max98088_dai2_set_fmt, .hw_params = max98088_dai2_hw_params, .mute_stream = max98088_dai2_mute, .no_capture_mute = 1, }; static struct snd_soc_dai_driver max98088_dai[] = { { .name = "HiFi", .playback = { .stream_name = "HiFi Playback", .channels_min = 1, .channels_max = 2, .rates = MAX98088_RATES, .formats = MAX98088_FORMATS, }, .capture = { .stream_name = "HiFi Capture", .channels_min = 1, .channels_max = 2, .rates = MAX98088_RATES, .formats = MAX98088_FORMATS, }, .ops = &max98088_dai1_ops, }, { .name = "Aux", .playback = { .stream_name = "Aux Playback", .channels_min = 1, .channels_max = 2, .rates = MAX98088_RATES, .formats = MAX98088_FORMATS, }, .ops = &max98088_dai2_ops, } }; static const char *eq_mode_name[] = {"EQ1 Mode", "EQ2 Mode"}; static int max98088_get_channel(struct snd_soc_component *component, const char *name) { int ret; ret = match_string(eq_mode_name, ARRAY_SIZE(eq_mode_name), name); if (ret < 0) dev_err(component->dev, "Bad EQ channel name '%s'\n", name); return ret; } static void max98088_setup_eq1(struct snd_soc_component *component) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_pdata *pdata = max98088->pdata; struct max98088_eq_cfg *coef_set; int best, best_val, save, i, sel, fs; struct max98088_cdata *cdata; cdata = &max98088->dai[0]; if (!pdata || !max98088->eq_textcnt) return; /* Find the selected configuration with nearest sample rate */ fs = cdata->rate; sel = cdata->eq_sel; best = 0; best_val = INT_MAX; for (i = 0; i < pdata->eq_cfgcnt; i++) { if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 && abs(pdata->eq_cfg[i].rate - fs) < best_val) { best = i; best_val = abs(pdata->eq_cfg[i].rate - fs); } } dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n", pdata->eq_cfg[best].name, pdata->eq_cfg[best].rate, fs); /* Disable EQ while configuring, and save current on/off state */ save = snd_soc_component_read(component, M98088_REG_49_CFG_LEVEL); snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, 0); coef_set = &pdata->eq_cfg[sel]; m98088_eq_band(component, 0, 0, coef_set->band1); m98088_eq_band(component, 0, 1, coef_set->band2); m98088_eq_band(component, 0, 2, coef_set->band3); m98088_eq_band(component, 0, 3, coef_set->band4); m98088_eq_band(component, 0, 4, coef_set->band5); /* Restore the original on/off state */ snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, save); } static void max98088_setup_eq2(struct snd_soc_component *component) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_pdata *pdata = max98088->pdata; struct max98088_eq_cfg *coef_set; int best, best_val, save, i, sel, fs; struct max98088_cdata *cdata; cdata = &max98088->dai[1]; if (!pdata || !max98088->eq_textcnt) return; /* Find the selected configuration with nearest sample rate */ fs = cdata->rate; sel = cdata->eq_sel; best = 0; best_val = INT_MAX; for (i = 0; i < pdata->eq_cfgcnt; i++) { if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 && abs(pdata->eq_cfg[i].rate - fs) < best_val) { best = i; best_val = abs(pdata->eq_cfg[i].rate - fs); } } dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n", pdata->eq_cfg[best].name, pdata->eq_cfg[best].rate, fs); /* Disable EQ while configuring, and save current on/off state */ save = snd_soc_component_read(component, M98088_REG_49_CFG_LEVEL); snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN, 0); coef_set = &pdata->eq_cfg[sel]; m98088_eq_band(component, 1, 0, coef_set->band1); m98088_eq_band(component, 1, 1, coef_set->band2); m98088_eq_band(component, 1, 2, coef_set->band3); m98088_eq_band(component, 1, 3, coef_set->band4); m98088_eq_band(component, 1, 4, coef_set->band5); /* Restore the original on/off state */ snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN, save); } static int max98088_put_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_pdata *pdata = max98088->pdata; int channel = max98088_get_channel(component, kcontrol->id.name); struct max98088_cdata *cdata; int sel = ucontrol->value.enumerated.item[0]; if (channel < 0) return channel; cdata = &max98088->dai[channel]; if (sel >= pdata->eq_cfgcnt) return -EINVAL; cdata->eq_sel = sel; switch (channel) { case 0: max98088_setup_eq1(component); break; case 1: max98088_setup_eq2(component); break; } return 0; } static int max98088_get_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); int channel = max98088_get_channel(component, kcontrol->id.name); struct max98088_cdata *cdata; if (channel < 0) return channel; cdata = &max98088->dai[channel]; ucontrol->value.enumerated.item[0] = cdata->eq_sel; return 0; } static void max98088_handle_eq_pdata(struct snd_soc_component *component) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_pdata *pdata = max98088->pdata; struct max98088_eq_cfg *cfg; unsigned int cfgcnt; int i, j; const char **t; int ret; struct snd_kcontrol_new controls[] = { SOC_ENUM_EXT((char *)eq_mode_name[0], max98088->eq_enum, max98088_get_eq_enum, max98088_put_eq_enum), SOC_ENUM_EXT((char *)eq_mode_name[1], max98088->eq_enum, max98088_get_eq_enum, max98088_put_eq_enum), }; BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(eq_mode_name)); cfg = pdata->eq_cfg; cfgcnt = pdata->eq_cfgcnt; /* Setup an array of texts for the equalizer enum. * This is based on Mark Brown's equalizer driver code. */ max98088->eq_textcnt = 0; max98088->eq_texts = NULL; for (i = 0; i < cfgcnt; i++) { for (j = 0; j < max98088->eq_textcnt; j++) { if (strcmp(cfg[i].name, max98088->eq_texts[j]) == 0) break; } if (j != max98088->eq_textcnt) continue; /* Expand the array */ t = krealloc(max98088->eq_texts, sizeof(char *) * (max98088->eq_textcnt + 1), GFP_KERNEL); if (t == NULL) continue; /* Store the new entry */ t[max98088->eq_textcnt] = cfg[i].name; max98088->eq_textcnt++; max98088->eq_texts = t; } /* Now point the soc_enum to .texts array items */ max98088->eq_enum.texts = max98088->eq_texts; max98088->eq_enum.items = max98088->eq_textcnt; ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls)); if (ret != 0) dev_err(component->dev, "Failed to add EQ control: %d\n", ret); } static void max98088_handle_pdata(struct snd_soc_component *component) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_pdata *pdata = max98088->pdata; u8 regval = 0; if (!pdata) { dev_dbg(component->dev, "No platform data\n"); return; } /* Configure mic for analog/digital mic mode */ if (pdata->digmic_left_mode) regval |= M98088_DIGMIC_L; if (pdata->digmic_right_mode) regval |= M98088_DIGMIC_R; max98088->digmic = (regval ? 1 : 0); snd_soc_component_write(component, M98088_REG_48_CFG_MIC, regval); /* Configure receiver output */ regval = ((pdata->receiver_mode) ? M98088_REC_LINEMODE : 0); snd_soc_component_update_bits(component, M98088_REG_2A_MIC_REC_CNTL, M98088_REC_LINEMODE_MASK, regval); /* Configure equalizers */ if (pdata->eq_cfgcnt) max98088_handle_eq_pdata(component); } static int max98088_probe(struct snd_soc_component *component) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); struct max98088_cdata *cdata; int ret = 0; regcache_mark_dirty(max98088->regmap); /* initialize private data */ max98088->sysclk = (unsigned)-1; max98088->eq_textcnt = 0; cdata = &max98088->dai[0]; cdata->rate = (unsigned)-1; cdata->fmt = (unsigned)-1; cdata->eq_sel = 0; cdata = &max98088->dai[1]; cdata->rate = (unsigned)-1; cdata->fmt = (unsigned)-1; cdata->eq_sel = 0; max98088->ina_state = 0; max98088->inb_state = 0; max98088->ex_mode = 0; max98088->digmic = 0; max98088->mic1pre = 0; max98088->mic2pre = 0; ret = snd_soc_component_read(component, M98088_REG_FF_REV_ID); if (ret < 0) { dev_err(component->dev, "Failed to read device revision: %d\n", ret); goto err_access; } dev_info(component->dev, "revision %c\n", ret - 0x40 + 'A'); snd_soc_component_write(component, M98088_REG_51_PWR_SYS, M98088_PWRSV); snd_soc_component_write(component, M98088_REG_0F_IRQ_ENABLE, 0x00); snd_soc_component_write(component, M98088_REG_22_MIX_DAC, M98088_DAI1L_TO_DACL|M98088_DAI2L_TO_DACL| M98088_DAI1R_TO_DACR|M98088_DAI2R_TO_DACR); snd_soc_component_write(component, M98088_REG_4E_BIAS_CNTL, 0xF0); snd_soc_component_write(component, M98088_REG_50_DAC_BIAS2, 0x0F); snd_soc_component_write(component, M98088_REG_16_DAI1_IOCFG, M98088_S1NORMAL|M98088_SDATA); snd_soc_component_write(component, M98088_REG_1E_DAI2_IOCFG, M98088_S2NORMAL|M98088_SDATA); max98088_handle_pdata(component); err_access: return ret; } static void max98088_remove(struct snd_soc_component *component) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); kfree(max98088->eq_texts); } static const struct snd_soc_component_driver soc_component_dev_max98088 = { .probe = max98088_probe, .remove = max98088_remove, .set_bias_level = max98088_set_bias_level, .controls = max98088_snd_controls, .num_controls = ARRAY_SIZE(max98088_snd_controls), .dapm_widgets = max98088_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(max98088_dapm_widgets), .dapm_routes = max98088_audio_map, .num_dapm_routes = ARRAY_SIZE(max98088_audio_map), .suspend_bias_off = 1, .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, }; static const struct i2c_device_id max98088_i2c_id[] = { { "max98088", MAX98088 }, { "max98089", MAX98089 }, { } }; MODULE_DEVICE_TABLE(i2c, max98088_i2c_id); static int max98088_i2c_probe(struct i2c_client *i2c) { struct max98088_priv *max98088; const struct i2c_device_id *id; max98088 = devm_kzalloc(&i2c->dev, sizeof(struct max98088_priv), GFP_KERNEL); if (max98088 == NULL) return -ENOMEM; max98088->regmap = devm_regmap_init_i2c(i2c, &max98088_regmap); if (IS_ERR(max98088->regmap)) return PTR_ERR(max98088->regmap); max98088->mclk = devm_clk_get(&i2c->dev, "mclk"); if (IS_ERR(max98088->mclk)) if (PTR_ERR(max98088->mclk) == -EPROBE_DEFER) return PTR_ERR(max98088->mclk); id = i2c_match_id(max98088_i2c_id, i2c); max98088->devtype = id->driver_data; i2c_set_clientdata(i2c, max98088); max98088->pdata = i2c->dev.platform_data; return devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_max98088, &max98088_dai[0], 2); } #if defined(CONFIG_OF) static const struct of_device_id max98088_of_match[] = { { .compatible = "maxim,max98088" }, { .compatible = "maxim,max98089" }, { } }; MODULE_DEVICE_TABLE(of, max98088_of_match); #endif static struct i2c_driver max98088_i2c_driver = { .driver = { .name = "max98088", .of_match_table = of_match_ptr(max98088_of_match), }, .probe = max98088_i2c_probe, .id_table = max98088_i2c_id, }; module_i2c_driver(max98088_i2c_driver); MODULE_DESCRIPTION("ALSA SoC MAX98088 driver"); MODULE_AUTHOR("Peter Hsiang, Jesse Marroquin"); MODULE_LICENSE("GPL");