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Diffstat (limited to '')
-rw-r--r-- | sound/soc/codecs/max98095.c | 2173 |
1 files changed, 2173 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c new file mode 100644 index 000000000..3b3a10da7 --- /dev/null +++ b/sound/soc/codecs/max98095.c @@ -0,0 +1,2173 @@ +/* + * max98095.c -- MAX98095 ALSA SoC Audio driver + * + * Copyright 2011 Maxim Integrated Products + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/i2c.h> +#include <linux/clk.h> +#include <linux/mutex.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/initval.h> +#include <sound/tlv.h> +#include <linux/slab.h> +#include <asm/div64.h> +#include <sound/max98095.h> +#include <sound/jack.h> +#include "max98095.h" + +enum max98095_type { + MAX98095, +}; + +struct max98095_cdata { + unsigned int rate; + unsigned int fmt; + int eq_sel; + int bq_sel; +}; + +struct max98095_priv { + struct regmap *regmap; + enum max98095_type devtype; + struct max98095_pdata *pdata; + struct clk *mclk; + unsigned int sysclk; + struct max98095_cdata dai[3]; + const char **eq_texts; + const char **bq_texts; + struct soc_enum eq_enum; + struct soc_enum bq_enum; + int eq_textcnt; + int bq_textcnt; + u8 lin_state; + unsigned int mic1pre; + unsigned int mic2pre; + struct snd_soc_jack *headphone_jack; + struct snd_soc_jack *mic_jack; + struct mutex lock; +}; + +static const struct reg_default max98095_reg_def[] = { + { 0xf, 0x00 }, /* 0F */ + { 0x10, 0x00 }, /* 10 */ + { 0x11, 0x00 }, /* 11 */ + { 0x12, 0x00 }, /* 12 */ + { 0x13, 0x00 }, /* 13 */ + { 0x14, 0x00 }, /* 14 */ + { 0x15, 0x00 }, /* 15 */ + { 0x16, 0x00 }, /* 16 */ + { 0x17, 0x00 }, /* 17 */ + { 0x18, 0x00 }, /* 18 */ + { 0x19, 0x00 }, /* 19 */ + { 0x1a, 0x00 }, /* 1A */ + { 0x1b, 0x00 }, /* 1B */ + { 0x1c, 0x00 }, /* 1C */ + { 0x1d, 0x00 }, /* 1D */ + { 0x1e, 0x00 }, /* 1E */ + { 0x1f, 0x00 }, /* 1F */ + { 0x20, 0x00 }, /* 20 */ + { 0x21, 0x00 }, /* 21 */ + { 0x22, 0x00 }, /* 22 */ + { 0x23, 0x00 }, /* 23 */ + { 0x24, 0x00 }, /* 24 */ + { 0x25, 0x00 }, /* 25 */ + { 0x26, 0x00 }, /* 26 */ + { 0x27, 0x00 }, /* 27 */ + { 0x28, 0x00 }, /* 28 */ + { 0x29, 0x00 }, /* 29 */ + { 0x2a, 0x00 }, /* 2A */ + { 0x2b, 0x00 }, /* 2B */ + { 0x2c, 0x00 }, /* 2C */ + { 0x2d, 0x00 }, /* 2D */ + { 0x2e, 0x00 }, /* 2E */ + { 0x2f, 0x00 }, /* 2F */ + { 0x30, 0x00 }, /* 30 */ + { 0x31, 0x00 }, /* 31 */ + { 0x32, 0x00 }, /* 32 */ + { 0x33, 0x00 }, /* 33 */ + { 0x34, 0x00 }, /* 34 */ + { 0x35, 0x00 }, /* 35 */ + { 0x36, 0x00 }, /* 36 */ + { 0x37, 0x00 }, /* 37 */ + { 0x38, 0x00 }, /* 38 */ + { 0x39, 0x00 }, /* 39 */ + { 0x3a, 0x00 }, /* 3A */ + { 0x3b, 0x00 }, /* 3B */ + { 0x3c, 0x00 }, /* 3C */ + { 0x3d, 0x00 }, /* 3D */ + { 0x3e, 0x00 }, /* 3E */ + { 0x3f, 0x00 }, /* 3F */ + { 0x40, 0x00 }, /* 40 */ + { 0x41, 0x00 }, /* 41 */ + { 0x42, 0x00 }, /* 42 */ + { 0x43, 0x00 }, /* 43 */ + { 0x44, 0x00 }, /* 44 */ + { 0x45, 0x00 }, /* 45 */ + { 0x46, 0x00 }, /* 46 */ + { 0x47, 0x00 }, /* 47 */ + { 0x48, 0x00 }, /* 48 */ + { 0x49, 0x00 }, /* 49 */ + { 0x4a, 0x00 }, /* 4A */ + { 0x4b, 0x00 }, /* 4B */ + { 0x4c, 0x00 }, /* 4C */ + { 0x4d, 0x00 }, /* 4D */ + { 0x4e, 0x00 }, /* 4E */ + { 0x4f, 0x00 }, /* 4F */ + { 0x50, 0x00 }, /* 50 */ + { 0x51, 0x00 }, /* 51 */ + { 0x52, 0x00 }, /* 52 */ + { 0x53, 0x00 }, /* 53 */ + { 0x54, 0x00 }, /* 54 */ + { 0x55, 0x00 }, /* 55 */ + { 0x56, 0x00 }, /* 56 */ + { 0x57, 0x00 }, /* 57 */ + { 0x58, 0x00 }, /* 58 */ + { 0x59, 0x00 }, /* 59 */ + { 0x5a, 0x00 }, /* 5A */ + { 0x5b, 0x00 }, /* 5B */ + { 0x5c, 0x00 }, /* 5C */ + { 0x5d, 0x00 }, /* 5D */ + { 0x5e, 0x00 }, /* 5E */ + { 0x5f, 0x00 }, /* 5F */ + { 0x60, 0x00 }, /* 60 */ + { 0x61, 0x00 }, /* 61 */ + { 0x62, 0x00 }, /* 62 */ + { 0x63, 0x00 }, /* 63 */ + { 0x64, 0x00 }, /* 64 */ + { 0x65, 0x00 }, /* 65 */ + { 0x66, 0x00 }, /* 66 */ + { 0x67, 0x00 }, /* 67 */ + { 0x68, 0x00 }, /* 68 */ + { 0x69, 0x00 }, /* 69 */ + { 0x6a, 0x00 }, /* 6A */ + { 0x6b, 0x00 }, /* 6B */ + { 0x6c, 0x00 }, /* 6C */ + { 0x6d, 0x00 }, /* 6D */ + { 0x6e, 0x00 }, /* 6E */ + { 0x6f, 0x00 }, /* 6F */ + { 0x70, 0x00 }, /* 70 */ + { 0x71, 0x00 }, /* 71 */ + { 0x72, 0x00 }, /* 72 */ + { 0x73, 0x00 }, /* 73 */ + { 0x74, 0x00 }, /* 74 */ + { 0x75, 0x00 }, /* 75 */ + { 0x76, 0x00 }, /* 76 */ + { 0x77, 0x00 }, /* 77 */ + { 0x78, 0x00 }, /* 78 */ + { 0x79, 0x00 }, /* 79 */ + { 0x7a, 0x00 }, /* 7A */ + { 0x7b, 0x00 }, /* 7B */ + { 0x7c, 0x00 }, /* 7C */ + { 0x7d, 0x00 }, /* 7D */ + { 0x7e, 0x00 }, /* 7E */ + { 0x7f, 0x00 }, /* 7F */ + { 0x80, 0x00 }, /* 80 */ + { 0x81, 0x00 }, /* 81 */ + { 0x82, 0x00 }, /* 82 */ + { 0x83, 0x00 }, /* 83 */ + { 0x84, 0x00 }, /* 84 */ + { 0x85, 0x00 }, /* 85 */ + { 0x86, 0x00 }, /* 86 */ + { 0x87, 0x00 }, /* 87 */ + { 0x88, 0x00 }, /* 88 */ + { 0x89, 0x00 }, /* 89 */ + { 0x8a, 0x00 }, /* 8A */ + { 0x8b, 0x00 }, /* 8B */ + { 0x8c, 0x00 }, /* 8C */ + { 0x8d, 0x00 }, /* 8D */ + { 0x8e, 0x00 }, /* 8E */ + { 0x8f, 0x00 }, /* 8F */ + { 0x90, 0x00 }, /* 90 */ + { 0x91, 0x00 }, /* 91 */ + { 0x92, 0x30 }, /* 92 */ + { 0x93, 0xF0 }, /* 93 */ + { 0x94, 0x00 }, /* 94 */ + { 0x95, 0x00 }, /* 95 */ + { 0x96, 0x3F }, /* 96 */ + { 0x97, 0x00 }, /* 97 */ + { 0xff, 0x00 }, /* FF */ +}; + +static bool max98095_readable(struct device *dev, unsigned int reg) +{ + switch (reg) { + case M98095_001_HOST_INT_STS ... M98095_097_PWR_SYS: + case M98095_0FF_REV_ID: + return true; + default: + return false; + } +} + +static bool max98095_writeable(struct device *dev, unsigned int reg) +{ + switch (reg) { + case M98095_00F_HOST_CFG ... M98095_097_PWR_SYS: + return true; + default: + return false; + } +} + +static bool max98095_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case M98095_000_HOST_DATA ... M98095_00E_TEMP_SENSOR_STS: + case M98095_REG_MAX_CACHED + 1 ... M98095_0FF_REV_ID: + return true; + default: + return false; + } +} + +static const struct regmap_config max98095_regmap = { + .reg_bits = 8, + .val_bits = 8, + + .reg_defaults = max98095_reg_def, + .num_reg_defaults = ARRAY_SIZE(max98095_reg_def), + .max_register = M98095_0FF_REV_ID, + .cache_type = REGCACHE_RBTREE, + + .readable_reg = max98095_readable, + .writeable_reg = max98095_writeable, + .volatile_reg = max98095_volatile, +}; + +/* + * Load equalizer DSP coefficient configurations registers + */ +static void m98095_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 ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE; + + /* Add the band address offset, note adjustment for word address */ + eq_reg += band * (M98095_COEFS_PER_BAND << 1); + + /* Step through the registers and coefs */ + for (i = 0; i < M98095_COEFS_PER_BAND; i++) { + snd_soc_component_write(component, eq_reg++, M98095_BYTE1(coefs[i])); + snd_soc_component_write(component, eq_reg++, M98095_BYTE0(coefs[i])); + } +} + +/* + * Load biquad filter coefficient configurations registers + */ +static void m98095_biquad_band(struct snd_soc_component *component, unsigned int dai, + unsigned int band, u16 *coefs) +{ + unsigned int bq_reg; + unsigned int i; + + if (WARN_ON(band > 1) || + WARN_ON(dai > 1)) + return; + + /* Load the base register address */ + bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE; + + /* Add the band address offset, note adjustment for word address */ + bq_reg += band * (M98095_COEFS_PER_BAND << 1); + + /* Step through the registers and coefs */ + for (i = 0; i < M98095_COEFS_PER_BAND; i++) { + snd_soc_component_write(component, bq_reg++, M98095_BYTE1(coefs[i])); + snd_soc_component_write(component, bq_reg++, M98095_BYTE0(coefs[i])); + } +} + +static const char * const max98095_fltr_mode[] = { "Voice", "Music" }; +static SOC_ENUM_SINGLE_DECL(max98095_dai1_filter_mode_enum, + M98095_02E_DAI1_FILTERS, 7, + max98095_fltr_mode); +static SOC_ENUM_SINGLE_DECL(max98095_dai2_filter_mode_enum, + M98095_038_DAI2_FILTERS, 7, + max98095_fltr_mode); + +static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" }; + +static SOC_ENUM_SINGLE_DECL(max98095_extmic_enum, + M98095_087_CFG_MIC, 0, + max98095_extmic_text); + +static const struct snd_kcontrol_new max98095_extmic_mux = + SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum); + +static const char * const max98095_linein_text[] = { "INA", "INB" }; + +static SOC_ENUM_SINGLE_DECL(max98095_linein_enum, + M98095_086_CFG_LINE, 6, + max98095_linein_text); + +static const struct snd_kcontrol_new max98095_linein_mux = + SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum); + +static const char * const max98095_line_mode_text[] = { + "Stereo", "Differential"}; + +static SOC_ENUM_SINGLE_DECL(max98095_linein_mode_enum, + M98095_086_CFG_LINE, 7, + max98095_line_mode_text); + +static SOC_ENUM_SINGLE_DECL(max98095_lineout_mode_enum, + M98095_086_CFG_LINE, 4, + max98095_line_mode_text); + +static const char * const max98095_dai_fltr[] = { + "Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k", + "Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"}; +static SOC_ENUM_SINGLE_DECL(max98095_dai1_dac_filter_enum, + M98095_02E_DAI1_FILTERS, 0, + max98095_dai_fltr); +static SOC_ENUM_SINGLE_DECL(max98095_dai2_dac_filter_enum, + M98095_038_DAI2_FILTERS, 0, + max98095_dai_fltr); +static SOC_ENUM_SINGLE_DECL(max98095_dai3_dac_filter_enum, + M98095_042_DAI3_FILTERS, 0, + max98095_dai_fltr); + +static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + unsigned int sel = ucontrol->value.integer.value[0]; + + max98095->mic1pre = sel; + snd_soc_component_update_bits(component, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK, + (1+sel)<<M98095_MICPRE_SHIFT); + + return 0; +} + +static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + + ucontrol->value.integer.value[0] = max98095->mic1pre; + return 0; +} + +static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + unsigned int sel = ucontrol->value.integer.value[0]; + + max98095->mic2pre = sel; + snd_soc_component_update_bits(component, M98095_060_LVL_MIC2, M98095_MICPRE_MASK, + (1+sel)<<M98095_MICPRE_SHIFT); + + return 0; +} + +static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + + ucontrol->value.integer.value[0] = max98095->mic2pre; + return 0; +} + +static const DECLARE_TLV_DB_RANGE(max98095_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_SCALE(max98095_mic_tlv, 0, 100, 0); +static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0); +static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0); + +static const DECLARE_TLV_DB_RANGE(max98095_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(max98095_spk_tlv, + 0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0), + 11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0), + 19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0), + 28, 39, TLV_DB_SCALE_ITEM(650, 50, 0) +); + +static const DECLARE_TLV_DB_RANGE(max98095_rcv_lout_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 DECLARE_TLV_DB_RANGE(max98095_lin_tlv, + 0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0), + 3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0), + 4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0) +); + +static const struct snd_kcontrol_new max98095_snd_controls[] = { + + SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L, + M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv), + + SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L, + M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv), + + SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV, + 0, 31, 0, max98095_rcv_lout_tlv), + + SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1, + M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv), + + SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L, + M98095_065_LVL_HP_R, 7, 1, 1), + + SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L, + M98095_068_LVL_SPK_R, 7, 1, 1), + + SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1), + + SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1, + M98095_063_LVL_LINEOUT2, 7, 1, 1), + + SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1, + max98095_mic_tlv), + + SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1, + max98095_mic_tlv), + + SOC_SINGLE_EXT_TLV("MIC1 Boost Volume", + M98095_05F_LVL_MIC1, 5, 2, 0, + max98095_mic1pre_get, max98095_mic1pre_set, + max98095_micboost_tlv), + SOC_SINGLE_EXT_TLV("MIC2 Boost Volume", + M98095_060_LVL_MIC2, 5, 2, 0, + max98095_mic2pre_get, max98095_mic2pre_set, + max98095_micboost_tlv), + + SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1, + max98095_lin_tlv), + + SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1, + max98095_adc_tlv), + SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1, + max98095_adc_tlv), + + SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0, + max98095_adcboost_tlv), + SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0, + max98095_adcboost_tlv), + + SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0), + SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0), + + SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0), + SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0), + + SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum), + SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum), + SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum), + SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum), + SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum), + + SOC_ENUM("Linein Mode", max98095_linein_mode_enum), + SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum), +}; + +/* Left speaker mixer switch */ +static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = { + SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0), + SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0), + SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0), + SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0), + SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0), +}; + +/* Right speaker mixer switch */ +static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = { + SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0), + SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0), + SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0), + SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0), + SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0), +}; + +/* Left headphone mixer switch */ +static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = { + SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0), + SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0), + SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0), +}; + +/* Right headphone mixer switch */ +static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = { + SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0), + SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0), + SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0), +}; + +/* Receiver earpiece mixer switch */ +static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = { + SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0), + SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0), + SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0), +}; + +/* Left lineout mixer switch */ +static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = { + SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0), + SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0), + SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0), +}; + +/* Right lineout mixer switch */ +static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = { + SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0), + SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0), + SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0), +}; + +/* Left ADC mixer switch */ +static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = { + SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0), +}; + +/* Right ADC mixer switch */ +static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = { + SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0), + SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0), + SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0), + SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0), +}; + +static int max98095_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 max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + if (w->reg == M98095_05F_LVL_MIC1) { + snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK, + (1+max98095->mic1pre)<<M98095_MICPRE_SHIFT); + } else { + snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK, + (1+max98095->mic2pre)<<M98095_MICPRE_SHIFT); + } + break; + case SND_SOC_DAPM_POST_PMD: + snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK, 0); + break; + default: + return -EINVAL; + } + + return 0; +} + +/* + * The line inputs are stereo inputs with the left and right + * channels sharing a common PGA power control signal. + */ +static int max98095_line_pga(struct snd_soc_dapm_widget *w, + int event, u8 channel) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + u8 *state; + + if (WARN_ON(!(channel == 1 || channel == 2))) + return -EINVAL; + + state = &max98095->lin_state; + + 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 max98095_pga_in1_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + return max98095_line_pga(w, event, 1); +} + +static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + return max98095_line_pga(w, event, 2); +} + +/* + * The stereo line out mixer outputs to two stereo line outs. + * The 2nd pair has a separate set of enables. + */ +static int max98095_lineout_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); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + snd_soc_component_update_bits(component, w->reg, + (1 << (w->shift+2)), (1 << (w->shift+2))); + break; + case SND_SOC_DAPM_POST_PMD: + snd_soc_component_update_bits(component, w->reg, + (1 << (w->shift+2)), 0); + break; + default: + return -EINVAL; + } + + return 0; +} + +static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = { + + SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0), + SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0), + + SND_SOC_DAPM_DAC("DACL1", "HiFi Playback", + M98095_091_PWR_EN_OUT, 0, 0), + SND_SOC_DAPM_DAC("DACR1", "HiFi Playback", + M98095_091_PWR_EN_OUT, 1, 0), + SND_SOC_DAPM_DAC("DACM2", "Aux Playback", + M98095_091_PWR_EN_OUT, 2, 0), + SND_SOC_DAPM_DAC("DACM3", "Voice Playback", + M98095_091_PWR_EN_OUT, 2, 0), + + SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT, + 6, 0, NULL, 0), + SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT, + 7, 0, NULL, 0), + + SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT, + 4, 0, NULL, 0), + SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT, + 5, 0, NULL, 0), + + SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT, + 3, 0, NULL, 0), + + SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT, + 0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT, + 1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD), + + SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0, + &max98095_extmic_mux), + + SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0, + &max98095_linein_mux), + + SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0, + &max98095_left_hp_mixer_controls[0], + ARRAY_SIZE(max98095_left_hp_mixer_controls)), + + SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0, + &max98095_right_hp_mixer_controls[0], + ARRAY_SIZE(max98095_right_hp_mixer_controls)), + + SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0, + &max98095_left_speaker_mixer_controls[0], + ARRAY_SIZE(max98095_left_speaker_mixer_controls)), + + SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0, + &max98095_right_speaker_mixer_controls[0], + ARRAY_SIZE(max98095_right_speaker_mixer_controls)), + + SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0, + &max98095_mono_rcv_mixer_controls[0], + ARRAY_SIZE(max98095_mono_rcv_mixer_controls)), + + SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0, + &max98095_left_lineout_mixer_controls[0], + ARRAY_SIZE(max98095_left_lineout_mixer_controls)), + + SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0, + &max98095_right_lineout_mixer_controls[0], + ARRAY_SIZE(max98095_right_lineout_mixer_controls)), + + SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0, + &max98095_left_ADC_mixer_controls[0], + ARRAY_SIZE(max98095_left_ADC_mixer_controls)), + + SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0, + &max98095_right_ADC_mixer_controls[0], + ARRAY_SIZE(max98095_right_ADC_mixer_controls)), + + SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1, + 5, 0, NULL, 0, max98095_mic_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + + SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2, + 5, 0, NULL, 0, max98095_mic_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + + SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN, + 7, 0, NULL, 0, max98095_pga_in1_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + + SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN, + 7, 0, NULL, 0, max98095_pga_in2_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + + SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0), + SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_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("RCV"), + SND_SOC_DAPM_OUTPUT("OUT1"), + SND_SOC_DAPM_OUTPUT("OUT2"), + SND_SOC_DAPM_OUTPUT("OUT3"), + SND_SOC_DAPM_OUTPUT("OUT4"), + + 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 max98095_audio_map[] = { + /* Left headphone output mixer */ + {"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"}, + {"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"}, + {"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Left Headphone Mixer", "IN1 Switch", "IN1 Input"}, + {"Left Headphone Mixer", "IN2 Switch", "IN2 Input"}, + + /* Right headphone output mixer */ + {"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"}, + {"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"}, + {"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Right Headphone Mixer", "IN1 Switch", "IN1 Input"}, + {"Right Headphone Mixer", "IN2 Switch", "IN2 Input"}, + + /* Left speaker output mixer */ + {"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"}, + {"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"}, + {"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"}, + {"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"}, + {"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Left Speaker Mixer", "IN1 Switch", "IN1 Input"}, + {"Left Speaker Mixer", "IN2 Switch", "IN2 Input"}, + + /* Right speaker output mixer */ + {"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"}, + {"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"}, + {"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"}, + {"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"}, + {"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Right Speaker Mixer", "IN1 Switch", "IN1 Input"}, + {"Right Speaker Mixer", "IN2 Switch", "IN2 Input"}, + + /* Earpiece/Receiver output mixer */ + {"Receiver Mixer", "Left DAC1 Switch", "DACL1"}, + {"Receiver Mixer", "Right DAC1 Switch", "DACR1"}, + {"Receiver Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Receiver Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Receiver Mixer", "IN1 Switch", "IN1 Input"}, + {"Receiver Mixer", "IN2 Switch", "IN2 Input"}, + + /* Left Lineout output mixer */ + {"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"}, + {"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"}, + {"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Left Lineout Mixer", "IN1 Switch", "IN1 Input"}, + {"Left Lineout Mixer", "IN2 Switch", "IN2 Input"}, + + /* Right lineout output mixer */ + {"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"}, + {"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"}, + {"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Right Lineout Mixer", "IN1 Switch", "IN1 Input"}, + {"Right Lineout Mixer", "IN2 Switch", "IN2 Input"}, + + {"HP Left Out", NULL, "Left Headphone Mixer"}, + {"HP Right Out", NULL, "Right Headphone Mixer"}, + {"SPK Left Out", NULL, "Left Speaker Mixer"}, + {"SPK Right Out", NULL, "Right Speaker Mixer"}, + {"RCV Mono Out", NULL, "Receiver Mixer"}, + {"LINE Left Out", NULL, "Left Lineout Mixer"}, + {"LINE Right Out", NULL, "Right Lineout Mixer"}, + + {"HPL", NULL, "HP Left Out"}, + {"HPR", NULL, "HP Right Out"}, + {"SPKL", NULL, "SPK Left Out"}, + {"SPKR", NULL, "SPK Right Out"}, + {"RCV", NULL, "RCV Mono Out"}, + {"OUT1", NULL, "LINE Left Out"}, + {"OUT2", NULL, "LINE Right Out"}, + {"OUT3", NULL, "LINE Left Out"}, + {"OUT4", NULL, "LINE Right Out"}, + + /* Left ADC input mixer */ + {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Left ADC Mixer", "IN1 Switch", "IN1 Input"}, + {"Left ADC Mixer", "IN2 Switch", "IN2 Input"}, + + /* Right ADC input mixer */ + {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"}, + {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"}, + {"Right ADC Mixer", "IN1 Switch", "IN1 Input"}, + {"Right ADC Mixer", "IN2 Switch", "IN2 Input"}, + + /* Inputs */ + {"ADCL", NULL, "Left ADC Mixer"}, + {"ADCR", NULL, "Right ADC Mixer"}, + + {"IN1 Input", NULL, "INA1"}, + {"IN2 Input", NULL, "INA2"}, + + {"MIC1 Input", NULL, "MIC1"}, + {"MIC2 Input", NULL, "MIC2"}, +}; + +/* codec mclk clock divider coefficients */ +static const struct { + u32 rate; + u8 sr; +} rate_table[] = { + {8000, 0x01}, + {11025, 0x02}, + {16000, 0x03}, + {22050, 0x04}, + {24000, 0x05}, + {32000, 0x06}, + {44100, 0x07}, + {48000, 0x08}, + {88200, 0x09}, + {96000, 0x0A}, +}; + +static 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 max98095_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 max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_cdata *cdata; + unsigned long long ni; + unsigned int rate; + u8 regval; + + cdata = &max98095->dai[0]; + + rate = params_rate(params); + + switch (params_width(params)) { + case 16: + snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT, + M98095_DAI_WS, 0); + break; + case 24: + snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT, + M98095_DAI_WS, M98095_DAI_WS); + break; + default: + return -EINVAL; + } + + if (rate_value(rate, ®val)) + return -EINVAL; + + snd_soc_component_update_bits(component, M98095_027_DAI1_CLKMODE, + M98095_CLKMODE_MASK, regval); + cdata->rate = rate; + + /* Configure NI when operating as master */ + if (snd_soc_component_read32(component, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) { + if (max98095->sysclk == 0) { + dev_err(component->dev, "Invalid system clock frequency\n"); + return -EINVAL; + } + ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) + * (unsigned long long int)rate; + do_div(ni, (unsigned long long int)max98095->sysclk); + snd_soc_component_write(component, M98095_028_DAI1_CLKCFG_HI, + (ni >> 8) & 0x7F); + snd_soc_component_write(component, M98095_029_DAI1_CLKCFG_LO, + ni & 0xFF); + } + + /* Update sample rate mode */ + if (rate < 50000) + snd_soc_component_update_bits(component, M98095_02E_DAI1_FILTERS, + M98095_DAI_DHF, 0); + else + snd_soc_component_update_bits(component, M98095_02E_DAI1_FILTERS, + M98095_DAI_DHF, M98095_DAI_DHF); + + return 0; +} + +static int max98095_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 max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_cdata *cdata; + unsigned long long ni; + unsigned int rate; + u8 regval; + + cdata = &max98095->dai[1]; + + rate = params_rate(params); + + switch (params_width(params)) { + case 16: + snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT, + M98095_DAI_WS, 0); + break; + case 24: + snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT, + M98095_DAI_WS, M98095_DAI_WS); + break; + default: + return -EINVAL; + } + + if (rate_value(rate, ®val)) + return -EINVAL; + + snd_soc_component_update_bits(component, M98095_031_DAI2_CLKMODE, + M98095_CLKMODE_MASK, regval); + cdata->rate = rate; + + /* Configure NI when operating as master */ + if (snd_soc_component_read32(component, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) { + if (max98095->sysclk == 0) { + dev_err(component->dev, "Invalid system clock frequency\n"); + return -EINVAL; + } + ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) + * (unsigned long long int)rate; + do_div(ni, (unsigned long long int)max98095->sysclk); + snd_soc_component_write(component, M98095_032_DAI2_CLKCFG_HI, + (ni >> 8) & 0x7F); + snd_soc_component_write(component, M98095_033_DAI2_CLKCFG_LO, + ni & 0xFF); + } + + /* Update sample rate mode */ + if (rate < 50000) + snd_soc_component_update_bits(component, M98095_038_DAI2_FILTERS, + M98095_DAI_DHF, 0); + else + snd_soc_component_update_bits(component, M98095_038_DAI2_FILTERS, + M98095_DAI_DHF, M98095_DAI_DHF); + + return 0; +} + +static int max98095_dai3_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 max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_cdata *cdata; + unsigned long long ni; + unsigned int rate; + u8 regval; + + cdata = &max98095->dai[2]; + + rate = params_rate(params); + + switch (params_width(params)) { + case 16: + snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT, + M98095_DAI_WS, 0); + break; + case 24: + snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT, + M98095_DAI_WS, M98095_DAI_WS); + break; + default: + return -EINVAL; + } + + if (rate_value(rate, ®val)) + return -EINVAL; + + snd_soc_component_update_bits(component, M98095_03B_DAI3_CLKMODE, + M98095_CLKMODE_MASK, regval); + cdata->rate = rate; + + /* Configure NI when operating as master */ + if (snd_soc_component_read32(component, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) { + if (max98095->sysclk == 0) { + dev_err(component->dev, "Invalid system clock frequency\n"); + return -EINVAL; + } + ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) + * (unsigned long long int)rate; + do_div(ni, (unsigned long long int)max98095->sysclk); + snd_soc_component_write(component, M98095_03C_DAI3_CLKCFG_HI, + (ni >> 8) & 0x7F); + snd_soc_component_write(component, M98095_03D_DAI3_CLKCFG_LO, + ni & 0xFF); + } + + /* Update sample rate mode */ + if (rate < 50000) + snd_soc_component_update_bits(component, M98095_042_DAI3_FILTERS, + M98095_DAI_DHF, 0); + else + snd_soc_component_update_bits(component, M98095_042_DAI3_FILTERS, + M98095_DAI_DHF, M98095_DAI_DHF); + + return 0; +} + +static int max98095_dai_set_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = dai->component; + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + + /* Requested clock frequency is already setup */ + if (freq == max98095->sysclk) + return 0; + + if (!IS_ERR(max98095->mclk)) { + freq = clk_round_rate(max98095->mclk, freq); + clk_set_rate(max98095->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 40MHz).. + * 0x03 (when master clk is 40MHz to 60MHz).. + */ + if ((freq >= 10000000) && (freq < 20000000)) { + snd_soc_component_write(component, M98095_026_SYS_CLK, 0x10); + } else if ((freq >= 20000000) && (freq < 40000000)) { + snd_soc_component_write(component, M98095_026_SYS_CLK, 0x20); + } else if ((freq >= 40000000) && (freq < 60000000)) { + snd_soc_component_write(component, M98095_026_SYS_CLK, 0x30); + } else { + dev_err(component->dev, "Invalid master clock frequency\n"); + return -EINVAL; + } + + dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq); + + max98095->sysclk = freq; + return 0; +} + +static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_cdata *cdata; + u8 regval = 0; + + cdata = &max98095->dai[0]; + + if (fmt != cdata->fmt) { + cdata->fmt = fmt; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + /* Slave mode PLL */ + snd_soc_component_write(component, M98095_028_DAI1_CLKCFG_HI, + 0x80); + snd_soc_component_write(component, M98095_029_DAI1_CLKCFG_LO, + 0x00); + break; + case SND_SOC_DAIFMT_CBM_CFM: + /* Set to master mode */ + regval |= M98095_DAI_MAS; + break; + case SND_SOC_DAIFMT_CBS_CFM: + case SND_SOC_DAIFMT_CBM_CFS: + default: + dev_err(component->dev, "Clock mode unsupported"); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + regval |= M98095_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: + regval |= M98095_DAI_WCI; + break; + case SND_SOC_DAIFMT_IB_NF: + regval |= M98095_DAI_BCI; + break; + case SND_SOC_DAIFMT_IB_IF: + regval |= M98095_DAI_BCI|M98095_DAI_WCI; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT, + M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | + M98095_DAI_WCI, regval); + + snd_soc_component_write(component, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64); + } + + return 0; +} + +static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_cdata *cdata; + u8 regval = 0; + + cdata = &max98095->dai[1]; + + if (fmt != cdata->fmt) { + cdata->fmt = fmt; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + /* Slave mode PLL */ + snd_soc_component_write(component, M98095_032_DAI2_CLKCFG_HI, + 0x80); + snd_soc_component_write(component, M98095_033_DAI2_CLKCFG_LO, + 0x00); + break; + case SND_SOC_DAIFMT_CBM_CFM: + /* Set to master mode */ + regval |= M98095_DAI_MAS; + break; + case SND_SOC_DAIFMT_CBS_CFM: + case SND_SOC_DAIFMT_CBM_CFS: + default: + dev_err(component->dev, "Clock mode unsupported"); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + regval |= M98095_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: + regval |= M98095_DAI_WCI; + break; + case SND_SOC_DAIFMT_IB_NF: + regval |= M98095_DAI_BCI; + break; + case SND_SOC_DAIFMT_IB_IF: + regval |= M98095_DAI_BCI|M98095_DAI_WCI; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT, + M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | + M98095_DAI_WCI, regval); + + snd_soc_component_write(component, M98095_035_DAI2_CLOCK, + M98095_DAI_BSEL64); + } + + return 0; +} + +static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_cdata *cdata; + u8 regval = 0; + + cdata = &max98095->dai[2]; + + if (fmt != cdata->fmt) { + cdata->fmt = fmt; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + /* Slave mode PLL */ + snd_soc_component_write(component, M98095_03C_DAI3_CLKCFG_HI, + 0x80); + snd_soc_component_write(component, M98095_03D_DAI3_CLKCFG_LO, + 0x00); + break; + case SND_SOC_DAIFMT_CBM_CFM: + /* Set to master mode */ + regval |= M98095_DAI_MAS; + break; + case SND_SOC_DAIFMT_CBS_CFM: + case SND_SOC_DAIFMT_CBM_CFS: + default: + dev_err(component->dev, "Clock mode unsupported"); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + regval |= M98095_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: + regval |= M98095_DAI_WCI; + break; + case SND_SOC_DAIFMT_IB_NF: + regval |= M98095_DAI_BCI; + break; + case SND_SOC_DAIFMT_IB_IF: + regval |= M98095_DAI_BCI|M98095_DAI_WCI; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT, + M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | + M98095_DAI_WCI, regval); + + snd_soc_component_write(component, M98095_03F_DAI3_CLOCK, + M98095_DAI_BSEL64); + } + + return 0; +} + +static int max98095_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct max98095_priv *max98095 = 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(max98095->mclk)) + break; + + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) { + clk_disable_unprepare(max98095->mclk); + } else { + ret = clk_prepare_enable(max98095->mclk); + if (ret) + return ret; + } + break; + + case SND_SOC_BIAS_STANDBY: + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { + ret = regcache_sync(max98095->regmap); + + if (ret != 0) { + dev_err(component->dev, "Failed to sync cache: %d\n", ret); + return ret; + } + } + + snd_soc_component_update_bits(component, M98095_090_PWR_EN_IN, + M98095_MBEN, M98095_MBEN); + break; + + case SND_SOC_BIAS_OFF: + snd_soc_component_update_bits(component, M98095_090_PWR_EN_IN, + M98095_MBEN, 0); + regcache_mark_dirty(max98095->regmap); + break; + } + return 0; +} + +#define MAX98095_RATES SNDRV_PCM_RATE_8000_96000 +#define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) + +static const struct snd_soc_dai_ops max98095_dai1_ops = { + .set_sysclk = max98095_dai_set_sysclk, + .set_fmt = max98095_dai1_set_fmt, + .hw_params = max98095_dai1_hw_params, +}; + +static const struct snd_soc_dai_ops max98095_dai2_ops = { + .set_sysclk = max98095_dai_set_sysclk, + .set_fmt = max98095_dai2_set_fmt, + .hw_params = max98095_dai2_hw_params, +}; + +static const struct snd_soc_dai_ops max98095_dai3_ops = { + .set_sysclk = max98095_dai_set_sysclk, + .set_fmt = max98095_dai3_set_fmt, + .hw_params = max98095_dai3_hw_params, +}; + +static struct snd_soc_dai_driver max98095_dai[] = { +{ + .name = "HiFi", + .playback = { + .stream_name = "HiFi Playback", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98095_RATES, + .formats = MAX98095_FORMATS, + }, + .capture = { + .stream_name = "HiFi Capture", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98095_RATES, + .formats = MAX98095_FORMATS, + }, + .ops = &max98095_dai1_ops, +}, +{ + .name = "Aux", + .playback = { + .stream_name = "Aux Playback", + .channels_min = 1, + .channels_max = 1, + .rates = MAX98095_RATES, + .formats = MAX98095_FORMATS, + }, + .ops = &max98095_dai2_ops, +}, +{ + .name = "Voice", + .playback = { + .stream_name = "Voice Playback", + .channels_min = 1, + .channels_max = 1, + .rates = MAX98095_RATES, + .formats = MAX98095_FORMATS, + }, + .ops = &max98095_dai3_ops, +} + +}; + +static int max98095_get_eq_channel(const char *name) +{ + if (strcmp(name, "EQ1 Mode") == 0) + return 0; + if (strcmp(name, "EQ2 Mode") == 0) + return 1; + return -EINVAL; +} + +static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_pdata *pdata = max98095->pdata; + int channel = max98095_get_eq_channel(kcontrol->id.name); + struct max98095_cdata *cdata; + unsigned int sel = ucontrol->value.enumerated.item[0]; + struct max98095_eq_cfg *coef_set; + int fs, best, best_val, i; + int regmask, regsave; + + if (WARN_ON(channel > 1)) + return -EINVAL; + + if (!pdata || !max98095->eq_textcnt) + return 0; + + if (sel >= pdata->eq_cfgcnt) + return -EINVAL; + + cdata = &max98095->dai[channel]; + cdata->eq_sel = sel; + fs = cdata->rate; + + /* Find the selected configuration with nearest sample rate */ + best = 0; + best_val = INT_MAX; + for (i = 0; i < pdata->eq_cfgcnt; i++) { + if (strcmp(pdata->eq_cfg[i].name, max98095->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); + + coef_set = &pdata->eq_cfg[best]; + + regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN; + + /* Disable filter while configuring, and save current on/off state */ + regsave = snd_soc_component_read32(component, M98095_088_CFG_LEVEL); + snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, 0); + + mutex_lock(&max98095->lock); + snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG); + m98095_eq_band(component, channel, 0, coef_set->band1); + m98095_eq_band(component, channel, 1, coef_set->band2); + m98095_eq_band(component, channel, 2, coef_set->band3); + m98095_eq_band(component, channel, 3, coef_set->band4); + m98095_eq_band(component, channel, 4, coef_set->band5); + snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, 0); + mutex_unlock(&max98095->lock); + + /* Restore the original on/off state */ + snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, regsave); + return 0; +} + +static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + int channel = max98095_get_eq_channel(kcontrol->id.name); + struct max98095_cdata *cdata; + + cdata = &max98095->dai[channel]; + ucontrol->value.enumerated.item[0] = cdata->eq_sel; + + return 0; +} + +static void max98095_handle_eq_pdata(struct snd_soc_component *component) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_pdata *pdata = max98095->pdata; + struct max98095_eq_cfg *cfg; + unsigned int cfgcnt; + int i, j; + const char **t; + int ret; + + struct snd_kcontrol_new controls[] = { + SOC_ENUM_EXT("EQ1 Mode", + max98095->eq_enum, + max98095_get_eq_enum, + max98095_put_eq_enum), + SOC_ENUM_EXT("EQ2 Mode", + max98095->eq_enum, + max98095_get_eq_enum, + max98095_put_eq_enum), + }; + + 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. + */ + max98095->eq_textcnt = 0; + max98095->eq_texts = NULL; + for (i = 0; i < cfgcnt; i++) { + for (j = 0; j < max98095->eq_textcnt; j++) { + if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0) + break; + } + + if (j != max98095->eq_textcnt) + continue; + + /* Expand the array */ + t = krealloc(max98095->eq_texts, + sizeof(char *) * (max98095->eq_textcnt + 1), + GFP_KERNEL); + if (t == NULL) + continue; + + /* Store the new entry */ + t[max98095->eq_textcnt] = cfg[i].name; + max98095->eq_textcnt++; + max98095->eq_texts = t; + } + + /* Now point the soc_enum to .texts array items */ + max98095->eq_enum.texts = max98095->eq_texts; + max98095->eq_enum.items = max98095->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 const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"}; + +static int max98095_get_bq_channel(struct snd_soc_component *component, + const char *name) +{ + int ret; + + ret = match_string(bq_mode_name, ARRAY_SIZE(bq_mode_name), name); + if (ret < 0) + dev_err(component->dev, "Bad biquad channel name '%s'\n", name); + return ret; +} + +static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_pdata *pdata = max98095->pdata; + int channel = max98095_get_bq_channel(component, kcontrol->id.name); + struct max98095_cdata *cdata; + unsigned int sel = ucontrol->value.enumerated.item[0]; + struct max98095_biquad_cfg *coef_set; + int fs, best, best_val, i; + int regmask, regsave; + + if (channel < 0) + return channel; + + if (!pdata || !max98095->bq_textcnt) + return 0; + + if (sel >= pdata->bq_cfgcnt) + return -EINVAL; + + cdata = &max98095->dai[channel]; + cdata->bq_sel = sel; + fs = cdata->rate; + + /* Find the selected configuration with nearest sample rate */ + best = 0; + best_val = INT_MAX; + for (i = 0; i < pdata->bq_cfgcnt; i++) { + if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 && + abs(pdata->bq_cfg[i].rate - fs) < best_val) { + best = i; + best_val = abs(pdata->bq_cfg[i].rate - fs); + } + } + + dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n", + pdata->bq_cfg[best].name, + pdata->bq_cfg[best].rate, fs); + + coef_set = &pdata->bq_cfg[best]; + + regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN; + + /* Disable filter while configuring, and save current on/off state */ + regsave = snd_soc_component_read32(component, M98095_088_CFG_LEVEL); + snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, 0); + + mutex_lock(&max98095->lock); + snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG); + m98095_biquad_band(component, channel, 0, coef_set->band1); + m98095_biquad_band(component, channel, 1, coef_set->band2); + snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, 0); + mutex_unlock(&max98095->lock); + + /* Restore the original on/off state */ + snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, regsave); + return 0; +} + +static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + int channel = max98095_get_bq_channel(component, kcontrol->id.name); + struct max98095_cdata *cdata; + + if (channel < 0) + return channel; + + cdata = &max98095->dai[channel]; + ucontrol->value.enumerated.item[0] = cdata->bq_sel; + + return 0; +} + +static void max98095_handle_bq_pdata(struct snd_soc_component *component) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_pdata *pdata = max98095->pdata; + struct max98095_biquad_cfg *cfg; + unsigned int cfgcnt; + int i, j; + const char **t; + int ret; + + struct snd_kcontrol_new controls[] = { + SOC_ENUM_EXT((char *)bq_mode_name[0], + max98095->bq_enum, + max98095_get_bq_enum, + max98095_put_bq_enum), + SOC_ENUM_EXT((char *)bq_mode_name[1], + max98095->bq_enum, + max98095_get_bq_enum, + max98095_put_bq_enum), + }; + BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(bq_mode_name)); + + cfg = pdata->bq_cfg; + cfgcnt = pdata->bq_cfgcnt; + + /* Setup an array of texts for the biquad enum. + * This is based on Mark Brown's equalizer driver code. + */ + max98095->bq_textcnt = 0; + max98095->bq_texts = NULL; + for (i = 0; i < cfgcnt; i++) { + for (j = 0; j < max98095->bq_textcnt; j++) { + if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0) + break; + } + + if (j != max98095->bq_textcnt) + continue; + + /* Expand the array */ + t = krealloc(max98095->bq_texts, + sizeof(char *) * (max98095->bq_textcnt + 1), + GFP_KERNEL); + if (t == NULL) + continue; + + /* Store the new entry */ + t[max98095->bq_textcnt] = cfg[i].name; + max98095->bq_textcnt++; + max98095->bq_texts = t; + } + + /* Now point the soc_enum to .texts array items */ + max98095->bq_enum.texts = max98095->bq_texts; + max98095->bq_enum.items = max98095->bq_textcnt; + + ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls)); + if (ret != 0) + dev_err(component->dev, "Failed to add Biquad control: %d\n", ret); +} + +static void max98095_handle_pdata(struct snd_soc_component *component) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_pdata *pdata = max98095->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 |= M98095_DIGMIC_L; + + if (pdata->digmic_right_mode) + regval |= M98095_DIGMIC_R; + + snd_soc_component_write(component, M98095_087_CFG_MIC, regval); + + /* Configure equalizers */ + if (pdata->eq_cfgcnt) + max98095_handle_eq_pdata(component); + + /* Configure bi-quad filters */ + if (pdata->bq_cfgcnt) + max98095_handle_bq_pdata(component); +} + +static irqreturn_t max98095_report_jack(int irq, void *data) +{ + struct snd_soc_component *component = data; + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + unsigned int value; + int hp_report = 0; + int mic_report = 0; + + /* Read the Jack Status Register */ + value = snd_soc_component_read32(component, M98095_007_JACK_AUTO_STS); + + /* If ddone is not set, then detection isn't finished yet */ + if ((value & M98095_DDONE) == 0) + return IRQ_NONE; + + /* if hp, check its bit, and if set, clear it */ + if ((value & M98095_HP_IN || value & M98095_LO_IN) && + max98095->headphone_jack) + hp_report |= SND_JACK_HEADPHONE; + + /* if mic, check its bit, and if set, clear it */ + if ((value & M98095_MIC_IN) && max98095->mic_jack) + mic_report |= SND_JACK_MICROPHONE; + + if (max98095->headphone_jack == max98095->mic_jack) { + snd_soc_jack_report(max98095->headphone_jack, + hp_report | mic_report, + SND_JACK_HEADSET); + } else { + if (max98095->headphone_jack) + snd_soc_jack_report(max98095->headphone_jack, + hp_report, SND_JACK_HEADPHONE); + if (max98095->mic_jack) + snd_soc_jack_report(max98095->mic_jack, + mic_report, SND_JACK_MICROPHONE); + } + + return IRQ_HANDLED; +} + +static int max98095_jack_detect_enable(struct snd_soc_component *component) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + int ret = 0; + int detect_enable = M98095_JDEN; + unsigned int slew = M98095_DEFAULT_SLEW_DELAY; + + if (max98095->pdata->jack_detect_pin5en) + detect_enable |= M98095_PIN5EN; + + if (max98095->pdata->jack_detect_delay) + slew = max98095->pdata->jack_detect_delay; + + ret = snd_soc_component_write(component, M98095_08E_JACK_DC_SLEW, slew); + if (ret < 0) { + dev_err(component->dev, "Failed to cfg auto detect %d\n", ret); + return ret; + } + + /* configure auto detection to be enabled */ + ret = snd_soc_component_write(component, M98095_089_JACK_DET_AUTO, detect_enable); + if (ret < 0) { + dev_err(component->dev, "Failed to cfg auto detect %d\n", ret); + return ret; + } + + return ret; +} + +static int max98095_jack_detect_disable(struct snd_soc_component *component) +{ + int ret = 0; + + /* configure auto detection to be disabled */ + ret = snd_soc_component_write(component, M98095_089_JACK_DET_AUTO, 0x0); + if (ret < 0) { + dev_err(component->dev, "Failed to cfg auto detect %d\n", ret); + return ret; + } + + return ret; +} + +int max98095_jack_detect(struct snd_soc_component *component, + struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct i2c_client *client = to_i2c_client(component->dev); + int ret = 0; + + max98095->headphone_jack = hp_jack; + max98095->mic_jack = mic_jack; + + /* only progress if we have at least 1 jack pointer */ + if (!hp_jack && !mic_jack) + return -EINVAL; + + max98095_jack_detect_enable(component); + + /* enable interrupts for headphone jack detection */ + ret = snd_soc_component_update_bits(component, M98095_013_JACK_INT_EN, + M98095_IDDONE, M98095_IDDONE); + if (ret < 0) { + dev_err(component->dev, "Failed to cfg jack irqs %d\n", ret); + return ret; + } + + max98095_report_jack(client->irq, component); + return 0; +} +EXPORT_SYMBOL_GPL(max98095_jack_detect); + +#ifdef CONFIG_PM +static int max98095_suspend(struct snd_soc_component *component) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + + if (max98095->headphone_jack || max98095->mic_jack) + max98095_jack_detect_disable(component); + + snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF); + + return 0; +} + +static int max98095_resume(struct snd_soc_component *component) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct i2c_client *client = to_i2c_client(component->dev); + + snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY); + + if (max98095->headphone_jack || max98095->mic_jack) { + max98095_jack_detect_enable(component); + max98095_report_jack(client->irq, component); + } + + return 0; +} +#else +#define max98095_suspend NULL +#define max98095_resume NULL +#endif + +static int max98095_reset(struct snd_soc_component *component) +{ + int i, ret; + + /* Gracefully reset the DSP core and the codec hardware + * in a proper sequence */ + ret = snd_soc_component_write(component, M98095_00F_HOST_CFG, 0); + if (ret < 0) { + dev_err(component->dev, "Failed to reset DSP: %d\n", ret); + return ret; + } + + ret = snd_soc_component_write(component, M98095_097_PWR_SYS, 0); + if (ret < 0) { + dev_err(component->dev, "Failed to reset component: %d\n", ret); + return ret; + } + + /* Reset to hardware default for registers, as there is not + * a soft reset hardware control register */ + for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) { + ret = snd_soc_component_write(component, i, snd_soc_component_read32(component, i)); + if (ret < 0) { + dev_err(component->dev, "Failed to reset: %d\n", ret); + return ret; + } + } + + return ret; +} + +static int max98095_probe(struct snd_soc_component *component) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct max98095_cdata *cdata; + struct i2c_client *client; + int ret = 0; + + max98095->mclk = devm_clk_get(component->dev, "mclk"); + if (PTR_ERR(max98095->mclk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + /* reset the codec, the DSP core, and disable all interrupts */ + max98095_reset(component); + + client = to_i2c_client(component->dev); + + /* initialize private data */ + + max98095->sysclk = (unsigned)-1; + max98095->eq_textcnt = 0; + max98095->bq_textcnt = 0; + + cdata = &max98095->dai[0]; + cdata->rate = (unsigned)-1; + cdata->fmt = (unsigned)-1; + cdata->eq_sel = 0; + cdata->bq_sel = 0; + + cdata = &max98095->dai[1]; + cdata->rate = (unsigned)-1; + cdata->fmt = (unsigned)-1; + cdata->eq_sel = 0; + cdata->bq_sel = 0; + + cdata = &max98095->dai[2]; + cdata->rate = (unsigned)-1; + cdata->fmt = (unsigned)-1; + cdata->eq_sel = 0; + cdata->bq_sel = 0; + + max98095->lin_state = 0; + max98095->mic1pre = 0; + max98095->mic2pre = 0; + + if (client->irq) { + /* register an audio interrupt */ + ret = request_threaded_irq(client->irq, NULL, + max98095_report_jack, + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | + IRQF_ONESHOT, "max98095", component); + if (ret) { + dev_err(component->dev, "Failed to request IRQ: %d\n", ret); + goto err_access; + } + } + + ret = snd_soc_component_read32(component, M98095_0FF_REV_ID); + if (ret < 0) { + dev_err(component->dev, "Failure reading hardware revision: %d\n", + ret); + goto err_irq; + } + dev_info(component->dev, "Hardware revision: %c\n", ret - 0x40 + 'A'); + + snd_soc_component_write(component, M98095_097_PWR_SYS, M98095_PWRSV); + + snd_soc_component_write(component, M98095_048_MIX_DAC_LR, + M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR); + + snd_soc_component_write(component, M98095_049_MIX_DAC_M, + M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM); + + snd_soc_component_write(component, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM); + snd_soc_component_write(component, M98095_045_CFG_DSP, M98095_DSPNORMAL); + snd_soc_component_write(component, M98095_04E_CFG_HP, M98095_HPNORMAL); + + snd_soc_component_write(component, M98095_02C_DAI1_IOCFG, + M98095_S1NORMAL|M98095_SDATA); + + snd_soc_component_write(component, M98095_036_DAI2_IOCFG, + M98095_S2NORMAL|M98095_SDATA); + + snd_soc_component_write(component, M98095_040_DAI3_IOCFG, + M98095_S3NORMAL|M98095_SDATA); + + max98095_handle_pdata(component); + + /* take the codec out of the shut down */ + snd_soc_component_update_bits(component, M98095_097_PWR_SYS, M98095_SHDNRUN, + M98095_SHDNRUN); + + return 0; + +err_irq: + if (client->irq) + free_irq(client->irq, component); +err_access: + return ret; +} + +static void max98095_remove(struct snd_soc_component *component) +{ + struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); + struct i2c_client *client = to_i2c_client(component->dev); + + if (max98095->headphone_jack || max98095->mic_jack) + max98095_jack_detect_disable(component); + + if (client->irq) + free_irq(client->irq, component); +} + +static const struct snd_soc_component_driver soc_component_dev_max98095 = { + .probe = max98095_probe, + .remove = max98095_remove, + .suspend = max98095_suspend, + .resume = max98095_resume, + .set_bias_level = max98095_set_bias_level, + .controls = max98095_snd_controls, + .num_controls = ARRAY_SIZE(max98095_snd_controls), + .dapm_widgets = max98095_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets), + .dapm_routes = max98095_audio_map, + .num_dapm_routes = ARRAY_SIZE(max98095_audio_map), + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, + .non_legacy_dai_naming = 1, +}; + +static int max98095_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct max98095_priv *max98095; + int ret; + + max98095 = devm_kzalloc(&i2c->dev, sizeof(struct max98095_priv), + GFP_KERNEL); + if (max98095 == NULL) + return -ENOMEM; + + mutex_init(&max98095->lock); + + max98095->regmap = devm_regmap_init_i2c(i2c, &max98095_regmap); + if (IS_ERR(max98095->regmap)) { + ret = PTR_ERR(max98095->regmap); + dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret); + return ret; + } + + max98095->devtype = id->driver_data; + i2c_set_clientdata(i2c, max98095); + max98095->pdata = i2c->dev.platform_data; + + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_max98095, + max98095_dai, ARRAY_SIZE(max98095_dai)); + return ret; +} + +static const struct i2c_device_id max98095_i2c_id[] = { + { "max98095", MAX98095 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, max98095_i2c_id); + +static const struct of_device_id max98095_of_match[] = { + { .compatible = "maxim,max98095", }, + { } +}; +MODULE_DEVICE_TABLE(of, max98095_of_match); + +static struct i2c_driver max98095_i2c_driver = { + .driver = { + .name = "max98095", + .of_match_table = of_match_ptr(max98095_of_match), + }, + .probe = max98095_i2c_probe, + .id_table = max98095_i2c_id, +}; + +module_i2c_driver(max98095_i2c_driver); + +MODULE_DESCRIPTION("ALSA SoC MAX98095 driver"); +MODULE_AUTHOR("Peter Hsiang"); +MODULE_LICENSE("GPL"); |