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Diffstat (limited to '')
| -rw-r--r-- | sound/soc/codecs/da7213.c | 2051 |
1 files changed, 2051 insertions, 0 deletions
diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c new file mode 100644 index 000000000..72402467a --- /dev/null +++ b/sound/soc/codecs/da7213.c @@ -0,0 +1,2051 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * DA7213 ALSA SoC Codec Driver + * + * Copyright (c) 2013 Dialog Semiconductor + * + * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> + * Based on DA9055 ALSA SoC codec driver. + */ + +#include <linux/acpi.h> +#include <linux/of_device.h> +#include <linux/property.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <linux/pm_runtime.h> +#include <sound/soc.h> +#include <sound/initval.h> +#include <sound/tlv.h> + +#include <sound/da7213.h> +#include "da7213.h" + + +/* Gain and Volume */ +static const DECLARE_TLV_DB_RANGE(aux_vol_tlv, + /* -54dB */ + 0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0), + /* -52.5dB to 15dB */ + 0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0) +); + +static const DECLARE_TLV_DB_RANGE(digital_gain_tlv, + 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), + /* -78dB to 12dB */ + 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0) +); + +static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv, + 0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), + /* 0dB to 36dB */ + 0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0) +); + +static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0); +static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0); +static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0); +static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0); +static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0); +static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0); +static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0); + +/* ADC and DAC voice mode (8kHz) high pass cutoff value */ +static const char * const da7213_voice_hpf_corner_txt[] = { + "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner, + DA7213_DAC_FILTERS1, + DA7213_VOICE_HPF_CORNER_SHIFT, + da7213_voice_hpf_corner_txt); + +static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner, + DA7213_ADC_FILTERS1, + DA7213_VOICE_HPF_CORNER_SHIFT, + da7213_voice_hpf_corner_txt); + +/* ADC and DAC high pass filter cutoff value */ +static const char * const da7213_audio_hpf_corner_txt[] = { + "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner, + DA7213_DAC_FILTERS1 + , DA7213_AUDIO_HPF_CORNER_SHIFT, + da7213_audio_hpf_corner_txt); + +static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner, + DA7213_ADC_FILTERS1, + DA7213_AUDIO_HPF_CORNER_SHIFT, + da7213_audio_hpf_corner_txt); + +/* Gain ramping rate value */ +static const char * const da7213_gain_ramp_rate_txt[] = { + "nominal rate * 8", "nominal rate * 16", "nominal rate / 16", + "nominal rate / 32" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate, + DA7213_GAIN_RAMP_CTRL, + DA7213_GAIN_RAMP_RATE_SHIFT, + da7213_gain_ramp_rate_txt); + +/* DAC noise gate setup time value */ +static const char * const da7213_dac_ng_setup_time_txt[] = { + "256 samples", "512 samples", "1024 samples", "2048 samples" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time, + DA7213_DAC_NG_SETUP_TIME, + DA7213_DAC_NG_SETUP_TIME_SHIFT, + da7213_dac_ng_setup_time_txt); + +/* DAC noise gate rampup rate value */ +static const char * const da7213_dac_ng_rampup_txt[] = { + "0.02 ms/dB", "0.16 ms/dB" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate, + DA7213_DAC_NG_SETUP_TIME, + DA7213_DAC_NG_RAMPUP_RATE_SHIFT, + da7213_dac_ng_rampup_txt); + +/* DAC noise gate rampdown rate value */ +static const char * const da7213_dac_ng_rampdown_txt[] = { + "0.64 ms/dB", "20.48 ms/dB" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate, + DA7213_DAC_NG_SETUP_TIME, + DA7213_DAC_NG_RAMPDN_RATE_SHIFT, + da7213_dac_ng_rampdown_txt); + +/* DAC soft mute rate value */ +static const char * const da7213_dac_soft_mute_rate_txt[] = { + "1", "2", "4", "8", "16", "32", "64" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate, + DA7213_DAC_FILTERS5, + DA7213_DAC_SOFTMUTE_RATE_SHIFT, + da7213_dac_soft_mute_rate_txt); + +/* ALC Attack Rate select */ +static const char * const da7213_alc_attack_rate_txt[] = { + "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", + "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate, + DA7213_ALC_CTRL2, + DA7213_ALC_ATTACK_SHIFT, + da7213_alc_attack_rate_txt); + +/* ALC Release Rate select */ +static const char * const da7213_alc_release_rate_txt[] = { + "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs", + "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate, + DA7213_ALC_CTRL2, + DA7213_ALC_RELEASE_SHIFT, + da7213_alc_release_rate_txt); + +/* ALC Hold Time select */ +static const char * const da7213_alc_hold_time_txt[] = { + "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs", + "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs", + "253952/fs", "507904/fs", "1015808/fs", "2031616/fs" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time, + DA7213_ALC_CTRL3, + DA7213_ALC_HOLD_SHIFT, + da7213_alc_hold_time_txt); + +/* ALC Input Signal Tracking rate select */ +static const char * const da7213_alc_integ_rate_txt[] = { + "1/4", "1/16", "1/256", "1/65536" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate, + DA7213_ALC_CTRL3, + DA7213_ALC_INTEG_ATTACK_SHIFT, + da7213_alc_integ_rate_txt); + +static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate, + DA7213_ALC_CTRL3, + DA7213_ALC_INTEG_RELEASE_SHIFT, + da7213_alc_integ_rate_txt); + + +/* + * Control Functions + */ + +static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val) +{ + int mid_data, top_data; + int sum = 0; + u8 iteration; + + for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS; + iteration++) { + /* Select the left or right channel and capture data */ + snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val); + + /* Select middle 8 bits for read back from data register */ + snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, + reg_val | DA7213_ALC_DATA_MIDDLE); + mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA); + + /* Select top 8 bits for read back from data register */ + snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, + reg_val | DA7213_ALC_DATA_TOP); + top_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA); + + sum += ((mid_data << 8) | (top_data << 16)); + } + + return sum / DA7213_ALC_AVG_ITERATIONS; +} + +static void da7213_alc_calib_man(struct snd_soc_component *component) +{ + u8 reg_val; + int avg_left_data, avg_right_data, offset_l, offset_r; + + /* Calculate average for Left and Right data */ + /* Left Data */ + avg_left_data = da7213_get_alc_data(component, + DA7213_ALC_CIC_OP_CHANNEL_LEFT); + /* Right Data */ + avg_right_data = da7213_get_alc_data(component, + DA7213_ALC_CIC_OP_CHANNEL_RIGHT); + + /* Calculate DC offset */ + offset_l = -avg_left_data; + offset_r = -avg_right_data; + + reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8; + snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val); + reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16; + snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val); + + reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8; + snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val); + reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16; + snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val); + + /* Enable analog/digital gain mode & offset cancellation */ + snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, + DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE, + DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE); +} + +static void da7213_alc_calib_auto(struct snd_soc_component *component) +{ + u8 alc_ctrl1; + + /* Begin auto calibration and wait for completion */ + snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN, + DA7213_ALC_AUTO_CALIB_EN); + do { + alc_ctrl1 = snd_soc_component_read(component, DA7213_ALC_CTRL1); + } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN); + + /* If auto calibration fails, fall back to digital gain only mode */ + if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) { + dev_warn(component->dev, + "ALC auto calibration failed with overflow\n"); + snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, + DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE, + 0); + } else { + /* Enable analog/digital gain mode & offset cancellation */ + snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, + DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE, + DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE); + } + +} + +static void da7213_alc_calib(struct snd_soc_component *component) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + u8 adc_l_ctrl, adc_r_ctrl; + u8 mixin_l_sel, mixin_r_sel; + u8 mic_1_ctrl, mic_2_ctrl; + + /* Save current values from ADC control registers */ + adc_l_ctrl = snd_soc_component_read(component, DA7213_ADC_L_CTRL); + adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL); + + /* Save current values from MIXIN_L/R_SELECT registers */ + mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT); + mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT); + + /* Save current values from MIC control registers */ + mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL); + mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL); + + /* Enable ADC Left and Right */ + snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN, + DA7213_ADC_EN); + snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN, + DA7213_ADC_EN); + + /* Enable MIC paths */ + snd_soc_component_update_bits(component, DA7213_MIXIN_L_SELECT, + DA7213_MIXIN_L_MIX_SELECT_MIC_1 | + DA7213_MIXIN_L_MIX_SELECT_MIC_2, + DA7213_MIXIN_L_MIX_SELECT_MIC_1 | + DA7213_MIXIN_L_MIX_SELECT_MIC_2); + snd_soc_component_update_bits(component, DA7213_MIXIN_R_SELECT, + DA7213_MIXIN_R_MIX_SELECT_MIC_2 | + DA7213_MIXIN_R_MIX_SELECT_MIC_1, + DA7213_MIXIN_R_MIX_SELECT_MIC_2 | + DA7213_MIXIN_R_MIX_SELECT_MIC_1); + + /* Mute MIC PGAs */ + snd_soc_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN, + DA7213_MUTE_EN); + snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN, + DA7213_MUTE_EN); + + /* Perform calibration */ + if (da7213->alc_calib_auto) + da7213_alc_calib_auto(component); + else + da7213_alc_calib_man(component); + + /* Restore MIXIN_L/R_SELECT registers to their original states */ + snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel); + snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel); + + /* Restore ADC control registers to their original states */ + snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl); + snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl); + + /* Restore original values of MIC control registers */ + snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl); + snd_soc_component_write(component, DA7213_MIC_2_CTRL, mic_2_ctrl); +} + +static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + int ret; + + ret = snd_soc_put_volsw_2r(kcontrol, ucontrol); + + /* If ALC in operation, make sure calibrated offsets are updated */ + if ((!ret) && (da7213->alc_en)) + da7213_alc_calib(component); + + return ret; +} + +static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + + /* Force ALC offset calibration if enabling ALC */ + if (ucontrol->value.integer.value[0] || + ucontrol->value.integer.value[1]) { + if (!da7213->alc_en) { + da7213_alc_calib(component); + da7213->alc_en = true; + } + } else { + da7213->alc_en = false; + } + + return snd_soc_put_volsw(kcontrol, ucontrol); +} + + +/* + * KControls + */ + +static const struct snd_kcontrol_new da7213_snd_controls[] = { + + /* Volume controls */ + SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN, + DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX, + DA7213_NO_INVERT, mic_vol_tlv), + SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN, + DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX, + DA7213_NO_INVERT, mic_vol_tlv), + SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN, + DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX, + DA7213_NO_INVERT, aux_vol_tlv), + SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN, + DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT, + DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT, + snd_soc_get_volsw_2r, da7213_put_mixin_gain, + mixin_gain_tlv), + SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN, + DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX, + DA7213_NO_INVERT, digital_gain_tlv), + SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN, + DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX, + DA7213_NO_INVERT, digital_gain_tlv), + SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN, + DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX, + DA7213_NO_INVERT, hp_vol_tlv), + SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN, + DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX, + DA7213_NO_INVERT, lineout_vol_tlv), + + /* DAC Equalizer controls */ + SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT, + DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT), + SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2, + DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX, + DA7213_NO_INVERT, eq_gain_tlv), + SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2, + DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX, + DA7213_NO_INVERT, eq_gain_tlv), + SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3, + DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX, + DA7213_NO_INVERT, eq_gain_tlv), + SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3, + DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX, + DA7213_NO_INVERT, eq_gain_tlv), + SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4, + DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX, + DA7213_NO_INVERT, eq_gain_tlv), + + /* High Pass Filter and Voice Mode controls */ + SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT, + DA7213_HPF_EN_MAX, DA7213_NO_INVERT), + SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner), + SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1, + DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX, + DA7213_NO_INVERT), + SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner), + + SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT, + DA7213_HPF_EN_MAX, DA7213_NO_INVERT), + SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner), + SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1, + DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX, + DA7213_NO_INVERT), + SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner), + + /* Mute controls */ + SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT, + DA7213_MUTE_EN_MAX, DA7213_INVERT), + SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT, + DA7213_MUTE_EN_MAX, DA7213_INVERT), + SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL, + DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT), + SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL, + DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT, + DA7213_MUTE_EN_MAX, DA7213_INVERT), + SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL, + DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT), + SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL, + DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT), + SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT, + DA7213_MUTE_EN_MAX, DA7213_INVERT), + SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5, + DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX, + DA7213_NO_INVERT), + SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate), + + /* Zero Cross controls */ + SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL, + DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT), + SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL, + DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, + DA7213_NO_INVERT), + SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL, + DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT), + + /* Gain Ramping controls */ + SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL, + DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT, + DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT), + SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL, + DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT, + DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT), + SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL, + DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT, + DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT), + SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL, + DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT, + DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT), + SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL, + DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT, + DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT), + SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL, + DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX, + DA7213_NO_INVERT), + SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate), + + /* DAC Noise Gate controls */ + SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT, + DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT), + SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time), + SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate), + SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate), + SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD, + DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX, + DA7213_NO_INVERT), + SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD, + DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX, + DA7213_NO_INVERT), + + /* DAC Routing & Inversion */ + SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC, + DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT, + DA7213_DAC_MONO_MAX, DA7213_NO_INVERT), + SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT, + DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX, + DA7213_NO_INVERT), + + /* DMIC controls */ + SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT, + DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT, + DA7213_DMIC_EN_MAX, DA7213_NO_INVERT), + + /* ALC Controls */ + SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT, + DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX, + DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw), + SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate), + SOC_ENUM("ALC Release Rate", da7213_alc_release_rate), + SOC_ENUM("ALC Hold Time", da7213_alc_hold_time), + /* + * Rate at which input signal envelope is tracked as the signal gets + * larger + */ + SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate), + /* + * Rate at which input signal envelope is tracked as the signal gets + * smaller + */ + SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate), + SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE, + DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX, + DA7213_INVERT, alc_threshold_tlv), + SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN, + DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX, + DA7213_INVERT, alc_threshold_tlv), + SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX, + DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX, + DA7213_INVERT, alc_threshold_tlv), + SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS, + DA7213_ALC_ATTEN_MAX_SHIFT, + DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT, + alc_gain_tlv), + SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS, + DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX, + DA7213_NO_INVERT, alc_gain_tlv), + SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS, + DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX, + DA7213_NO_INVERT, alc_analog_gain_tlv), + SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS, + DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX, + DA7213_NO_INVERT, alc_analog_gain_tlv), + SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL, + DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX, + DA7213_NO_INVERT), + SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL, + DA7213_ALC_ANTICLIP_LEVEL_SHIFT, + DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT), +}; + + +/* + * DAPM + */ + +/* + * Enums + */ + +/* MIC PGA source select */ +static const char * const da7213_mic_amp_in_sel_txt[] = { + "Differential", "MIC_P", "MIC_N" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel, + DA7213_MIC_1_CTRL, + DA7213_MIC_AMP_IN_SEL_SHIFT, + da7213_mic_amp_in_sel_txt); +static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux = + SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel); + +static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel, + DA7213_MIC_2_CTRL, + DA7213_MIC_AMP_IN_SEL_SHIFT, + da7213_mic_amp_in_sel_txt); +static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux = + SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel); + +/* DAI routing select */ +static const char * const da7213_dai_src_txt[] = { + "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src, + DA7213_DIG_ROUTING_DAI, + DA7213_DAI_L_SRC_SHIFT, + da7213_dai_src_txt); +static const struct snd_kcontrol_new da7213_dai_l_src_mux = + SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src); + +static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src, + DA7213_DIG_ROUTING_DAI, + DA7213_DAI_R_SRC_SHIFT, + da7213_dai_src_txt); +static const struct snd_kcontrol_new da7213_dai_r_src_mux = + SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src); + +/* DAC routing select */ +static const char * const da7213_dac_src_txt[] = { + "ADC Output Left", "ADC Output Right", "DAI Input Left", + "DAI Input Right" +}; + +static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src, + DA7213_DIG_ROUTING_DAC, + DA7213_DAC_L_SRC_SHIFT, + da7213_dac_src_txt); +static const struct snd_kcontrol_new da7213_dac_l_src_mux = + SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src); + +static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src, + DA7213_DIG_ROUTING_DAC, + DA7213_DAC_R_SRC_SHIFT, + da7213_dac_src_txt); +static const struct snd_kcontrol_new da7213_dac_r_src_mux = + SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src); + +/* + * Mixer Controls + */ + +/* Mixin Left */ +static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = { + SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT, + DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT, + DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT, + DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT, + DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT, + DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT, + DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT, + DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT, + DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT), +}; + +/* Mixin Right */ +static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = { + SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT, + DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT, + DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT, + DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT, + DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT, + DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT, + DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT, + DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT, + DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT), +}; + +/* Mixout Left */ +static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = { + SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT, + DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT, + DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT, + DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT, + DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT, + DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT, + DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT, + DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT, + DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT, + DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT, + DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT, + DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT, + DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT, + DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT, + DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT), +}; + +/* Mixout Right */ +static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = { + SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT, + DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT, + DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT, + DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT, + DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT, + DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT, + DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT, + DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT, + DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT, + DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT, + DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT, + DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT, + DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT), + SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT, + DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT, + DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT), +}; + + +/* + * DAPM Events + */ + +static int da7213_dai_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 da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + u8 pll_ctrl, pll_status; + int i = 0; + bool srm_lock = false; + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + /* Enable DAI clks for master mode */ + if (da7213->master) + snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE, + DA7213_DAI_CLK_EN_MASK, + DA7213_DAI_CLK_EN_MASK); + + /* PC synchronised to DAI */ + snd_soc_component_update_bits(component, DA7213_PC_COUNT, + DA7213_PC_FREERUN_MASK, 0); + + /* If SRM not enabled then nothing more to do */ + pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL); + if (!(pll_ctrl & DA7213_PLL_SRM_EN)) + return 0; + + /* Assist 32KHz mode PLL lock */ + if (pll_ctrl & DA7213_PLL_32K_MODE) { + snd_soc_component_write(component, 0xF0, 0x8B); + snd_soc_component_write(component, 0xF2, 0x03); + snd_soc_component_write(component, 0xF0, 0x00); + } + + /* Check SRM has locked */ + do { + pll_status = snd_soc_component_read(component, DA7213_PLL_STATUS); + if (pll_status & DA7219_PLL_SRM_LOCK) { + srm_lock = true; + } else { + ++i; + msleep(50); + } + } while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock)); + + if (!srm_lock) + dev_warn(component->dev, "SRM failed to lock\n"); + + return 0; + case SND_SOC_DAPM_POST_PMD: + /* Revert 32KHz PLL lock udpates if applied previously */ + pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL); + if (pll_ctrl & DA7213_PLL_32K_MODE) { + snd_soc_component_write(component, 0xF0, 0x8B); + snd_soc_component_write(component, 0xF2, 0x01); + snd_soc_component_write(component, 0xF0, 0x00); + } + + /* PC free-running */ + snd_soc_component_update_bits(component, DA7213_PC_COUNT, + DA7213_PC_FREERUN_MASK, + DA7213_PC_FREERUN_MASK); + + /* Disable DAI clks if in master mode */ + if (da7213->master) + snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE, + DA7213_DAI_CLK_EN_MASK, 0); + return 0; + default: + return -EINVAL; + } +} + + +/* + * DAPM widgets + */ + +static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = { + /* + * Power Supply + */ + SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0), + + /* + * Input & Output + */ + + /* Use a supply here as this controls both input & output DAIs */ + SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT, + DA7213_NO_INVERT, da7213_dai_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + + /* + * Input + */ + + /* Input Lines */ + SND_SOC_DAPM_INPUT("MIC1"), + SND_SOC_DAPM_INPUT("MIC2"), + SND_SOC_DAPM_INPUT("AUXL"), + SND_SOC_DAPM_INPUT("AUXR"), + + /* MUXs for Mic PGA source selection */ + SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0, + &da7213_mic_1_amp_in_sel_mux), + SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0, + &da7213_mic_2_amp_in_sel_mux), + + /* Input PGAs */ + SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT, + DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT, + DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT, + DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL, + DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL, + DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL, + DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0), + + /* Mic Biases */ + SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL, + DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT, + NULL, 0), + SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL, + DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT, + NULL, 0), + + /* Input Mixers */ + SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0, + &da7213_dapm_mixinl_controls[0], + ARRAY_SIZE(da7213_dapm_mixinl_controls)), + SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0, + &da7213_dapm_mixinr_controls[0], + ARRAY_SIZE(da7213_dapm_mixinr_controls)), + + /* ADCs */ + SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL, + DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT), + SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL, + DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT), + + /* DAI */ + SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0, + &da7213_dai_l_src_mux), + SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0, + &da7213_dai_r_src_mux), + SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0), + + /* + * Output + */ + + /* DAI */ + SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0, + &da7213_dac_l_src_mux), + SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0, + &da7213_dac_r_src_mux), + + /* DACs */ + SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL, + DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT), + SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL, + DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT), + + /* Output Mixers */ + SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0, + &da7213_dapm_mixoutl_controls[0], + ARRAY_SIZE(da7213_dapm_mixoutl_controls)), + SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0, + &da7213_dapm_mixoutr_controls[0], + ARRAY_SIZE(da7213_dapm_mixoutr_controls)), + + /* Output PGAs */ + SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL, + DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL, + DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT, + DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL, + DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL, + DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0), + + /* Charge Pump */ + SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT, + DA7213_NO_INVERT, NULL, 0), + + /* Output Lines */ + SND_SOC_DAPM_OUTPUT("HPL"), + SND_SOC_DAPM_OUTPUT("HPR"), + SND_SOC_DAPM_OUTPUT("LINE"), +}; + + +/* + * DAPM audio route definition + */ + +static const struct snd_soc_dapm_route da7213_audio_map[] = { + /* Dest Connecting Widget source */ + + /* Input path */ + {"Mic Bias 1", NULL, "VDDMIC"}, + {"Mic Bias 2", NULL, "VDDMIC"}, + + {"MIC1", NULL, "Mic Bias 1"}, + {"MIC2", NULL, "Mic Bias 2"}, + + {"Mic 1 Amp Source MUX", "Differential", "MIC1"}, + {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"}, + {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"}, + + {"Mic 2 Amp Source MUX", "Differential", "MIC2"}, + {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"}, + {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"}, + + {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"}, + {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"}, + + {"Aux Left PGA", NULL, "AUXL"}, + {"Aux Right PGA", NULL, "AUXR"}, + + {"Mixin Left", "Aux Left Switch", "Aux Left PGA"}, + {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"}, + {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"}, + {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"}, + + {"Mixin Right", "Aux Right Switch", "Aux Right PGA"}, + {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"}, + {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"}, + {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"}, + + {"Mixin Left PGA", NULL, "Mixin Left"}, + {"ADC Left", NULL, "Mixin Left PGA"}, + + {"Mixin Right PGA", NULL, "Mixin Right"}, + {"ADC Right", NULL, "Mixin Right PGA"}, + + {"DAI Left Source MUX", "ADC Left", "ADC Left"}, + {"DAI Left Source MUX", "ADC Right", "ADC Right"}, + {"DAI Left Source MUX", "DAI Input Left", "DAIINL"}, + {"DAI Left Source MUX", "DAI Input Right", "DAIINR"}, + + {"DAI Right Source MUX", "ADC Left", "ADC Left"}, + {"DAI Right Source MUX", "ADC Right", "ADC Right"}, + {"DAI Right Source MUX", "DAI Input Left", "DAIINL"}, + {"DAI Right Source MUX", "DAI Input Right", "DAIINR"}, + + {"DAIOUTL", NULL, "DAI Left Source MUX"}, + {"DAIOUTR", NULL, "DAI Right Source MUX"}, + + {"DAIOUTL", NULL, "DAI"}, + {"DAIOUTR", NULL, "DAI"}, + + /* Output path */ + {"DAIINL", NULL, "DAI"}, + {"DAIINR", NULL, "DAI"}, + + {"DAC Left Source MUX", "ADC Output Left", "ADC Left"}, + {"DAC Left Source MUX", "ADC Output Right", "ADC Right"}, + {"DAC Left Source MUX", "DAI Input Left", "DAIINL"}, + {"DAC Left Source MUX", "DAI Input Right", "DAIINR"}, + + {"DAC Right Source MUX", "ADC Output Left", "ADC Left"}, + {"DAC Right Source MUX", "ADC Output Right", "ADC Right"}, + {"DAC Right Source MUX", "DAI Input Left", "DAIINL"}, + {"DAC Right Source MUX", "DAI Input Right", "DAIINR"}, + + {"DAC Left", NULL, "DAC Left Source MUX"}, + {"DAC Right", NULL, "DAC Right Source MUX"}, + + {"Mixout Left", "Aux Left Switch", "Aux Left PGA"}, + {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"}, + {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"}, + {"Mixout Left", "DAC Left Switch", "DAC Left"}, + {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"}, + {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"}, + {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"}, + + {"Mixout Right", "Aux Right Switch", "Aux Right PGA"}, + {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"}, + {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"}, + {"Mixout Right", "DAC Right Switch", "DAC Right"}, + {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"}, + {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"}, + {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"}, + + {"Mixout Left PGA", NULL, "Mixout Left"}, + {"Mixout Right PGA", NULL, "Mixout Right"}, + + {"Headphone Left PGA", NULL, "Mixout Left PGA"}, + {"Headphone Left PGA", NULL, "Charge Pump"}, + {"HPL", NULL, "Headphone Left PGA"}, + + {"Headphone Right PGA", NULL, "Mixout Right PGA"}, + {"Headphone Right PGA", NULL, "Charge Pump"}, + {"HPR", NULL, "Headphone Right PGA"}, + + {"Lineout PGA", NULL, "Mixout Right PGA"}, + {"LINE", NULL, "Lineout PGA"}, +}; + +static const struct reg_default da7213_reg_defaults[] = { + { DA7213_DIG_ROUTING_DAI, 0x10 }, + { DA7213_SR, 0x0A }, + { DA7213_REFERENCES, 0x80 }, + { DA7213_PLL_FRAC_TOP, 0x00 }, + { DA7213_PLL_FRAC_BOT, 0x00 }, + { DA7213_PLL_INTEGER, 0x20 }, + { DA7213_PLL_CTRL, 0x0C }, + { DA7213_DAI_CLK_MODE, 0x01 }, + { DA7213_DAI_CTRL, 0x08 }, + { DA7213_DIG_ROUTING_DAC, 0x32 }, + { DA7213_AUX_L_GAIN, 0x35 }, + { DA7213_AUX_R_GAIN, 0x35 }, + { DA7213_MIXIN_L_SELECT, 0x00 }, + { DA7213_MIXIN_R_SELECT, 0x00 }, + { DA7213_MIXIN_L_GAIN, 0x03 }, + { DA7213_MIXIN_R_GAIN, 0x03 }, + { DA7213_ADC_L_GAIN, 0x6F }, + { DA7213_ADC_R_GAIN, 0x6F }, + { DA7213_ADC_FILTERS1, 0x80 }, + { DA7213_MIC_1_GAIN, 0x01 }, + { DA7213_MIC_2_GAIN, 0x01 }, + { DA7213_DAC_FILTERS5, 0x00 }, + { DA7213_DAC_FILTERS2, 0x88 }, + { DA7213_DAC_FILTERS3, 0x88 }, + { DA7213_DAC_FILTERS4, 0x08 }, + { DA7213_DAC_FILTERS1, 0x80 }, + { DA7213_DAC_L_GAIN, 0x6F }, + { DA7213_DAC_R_GAIN, 0x6F }, + { DA7213_CP_CTRL, 0x61 }, + { DA7213_HP_L_GAIN, 0x39 }, + { DA7213_HP_R_GAIN, 0x39 }, + { DA7213_LINE_GAIN, 0x30 }, + { DA7213_MIXOUT_L_SELECT, 0x00 }, + { DA7213_MIXOUT_R_SELECT, 0x00 }, + { DA7213_SYSTEM_MODES_INPUT, 0x00 }, + { DA7213_SYSTEM_MODES_OUTPUT, 0x00 }, + { DA7213_AUX_L_CTRL, 0x44 }, + { DA7213_AUX_R_CTRL, 0x44 }, + { DA7213_MICBIAS_CTRL, 0x11 }, + { DA7213_MIC_1_CTRL, 0x40 }, + { DA7213_MIC_2_CTRL, 0x40 }, + { DA7213_MIXIN_L_CTRL, 0x40 }, + { DA7213_MIXIN_R_CTRL, 0x40 }, + { DA7213_ADC_L_CTRL, 0x40 }, + { DA7213_ADC_R_CTRL, 0x40 }, + { DA7213_DAC_L_CTRL, 0x48 }, + { DA7213_DAC_R_CTRL, 0x40 }, + { DA7213_HP_L_CTRL, 0x41 }, + { DA7213_HP_R_CTRL, 0x40 }, + { DA7213_LINE_CTRL, 0x40 }, + { DA7213_MIXOUT_L_CTRL, 0x10 }, + { DA7213_MIXOUT_R_CTRL, 0x10 }, + { DA7213_LDO_CTRL, 0x00 }, + { DA7213_IO_CTRL, 0x00 }, + { DA7213_GAIN_RAMP_CTRL, 0x00}, + { DA7213_MIC_CONFIG, 0x00 }, + { DA7213_PC_COUNT, 0x00 }, + { DA7213_CP_VOL_THRESHOLD1, 0x32 }, + { DA7213_CP_DELAY, 0x95 }, + { DA7213_CP_DETECTOR, 0x00 }, + { DA7213_DAI_OFFSET, 0x00 }, + { DA7213_DIG_CTRL, 0x00 }, + { DA7213_ALC_CTRL2, 0x00 }, + { DA7213_ALC_CTRL3, 0x00 }, + { DA7213_ALC_NOISE, 0x3F }, + { DA7213_ALC_TARGET_MIN, 0x3F }, + { DA7213_ALC_TARGET_MAX, 0x00 }, + { DA7213_ALC_GAIN_LIMITS, 0xFF }, + { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 }, + { DA7213_ALC_ANTICLIP_CTRL, 0x00 }, + { DA7213_ALC_ANTICLIP_LEVEL, 0x00 }, + { DA7213_ALC_OFFSET_MAN_M_L, 0x00 }, + { DA7213_ALC_OFFSET_MAN_U_L, 0x00 }, + { DA7213_ALC_OFFSET_MAN_M_R, 0x00 }, + { DA7213_ALC_OFFSET_MAN_U_R, 0x00 }, + { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 }, + { DA7213_DAC_NG_SETUP_TIME, 0x00 }, + { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 }, + { DA7213_DAC_NG_ON_THRESHOLD, 0x00 }, + { DA7213_DAC_NG_CTRL, 0x00 }, +}; + +static bool da7213_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case DA7213_STATUS1: + case DA7213_PLL_STATUS: + case DA7213_AUX_L_GAIN_STATUS: + case DA7213_AUX_R_GAIN_STATUS: + case DA7213_MIC_1_GAIN_STATUS: + case DA7213_MIC_2_GAIN_STATUS: + case DA7213_MIXIN_L_GAIN_STATUS: + case DA7213_MIXIN_R_GAIN_STATUS: + case DA7213_ADC_L_GAIN_STATUS: + case DA7213_ADC_R_GAIN_STATUS: + case DA7213_DAC_L_GAIN_STATUS: + case DA7213_DAC_R_GAIN_STATUS: + case DA7213_HP_L_GAIN_STATUS: + case DA7213_HP_R_GAIN_STATUS: + case DA7213_LINE_GAIN_STATUS: + case DA7213_ALC_CTRL1: + case DA7213_ALC_OFFSET_AUTO_M_L: + case DA7213_ALC_OFFSET_AUTO_U_L: + case DA7213_ALC_OFFSET_AUTO_M_R: + case DA7213_ALC_OFFSET_AUTO_U_R: + case DA7213_ALC_CIC_OP_LVL_DATA: + return true; + default: + return false; + } +} + +static int da7213_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 da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + u8 dai_ctrl = 0; + u8 fs; + + /* Set DAI format */ + switch (params_width(params)) { + case 16: + dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE; + break; + case 20: + dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE; + break; + case 24: + dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE; + break; + case 32: + dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE; + break; + default: + return -EINVAL; + } + + /* Set sampling rate */ + switch (params_rate(params)) { + case 8000: + fs = DA7213_SR_8000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; + break; + case 11025: + fs = DA7213_SR_11025; + da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800; + break; + case 12000: + fs = DA7213_SR_12000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; + break; + case 16000: + fs = DA7213_SR_16000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; + break; + case 22050: + fs = DA7213_SR_22050; + da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800; + break; + case 32000: + fs = DA7213_SR_32000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; + break; + case 44100: + fs = DA7213_SR_44100; + da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800; + break; + case 48000: + fs = DA7213_SR_48000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; + break; + case 88200: + fs = DA7213_SR_88200; + da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800; + break; + case 96000: + fs = DA7213_SR_96000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK, + dai_ctrl); + snd_soc_component_write(component, DA7213_SR, fs); + + return 0; +} + +static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + u8 dai_clk_mode = 0, dai_ctrl = 0; + u8 dai_offset = 0; + + /* Set master/slave mode */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + da7213->master = true; + break; + case SND_SOC_DAIFMT_CBS_CFS: + da7213->master = false; + break; + default: + return -EINVAL; + } + + /* Set clock normal/inverted */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_LEFT_J: + case SND_SOC_DAIFMT_RIGHT_J: + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_NB_IF: + dai_clk_mode |= DA7213_DAI_WCLK_POL_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + dai_clk_mode |= DA7213_DAI_CLK_POL_INV; + break; + case SND_SOC_DAIFMT_IB_IF: + dai_clk_mode |= DA7213_DAI_WCLK_POL_INV | + DA7213_DAI_CLK_POL_INV; + break; + default: + return -EINVAL; + } + break; + case SND_SOC_DAI_FORMAT_DSP_A: + case SND_SOC_DAI_FORMAT_DSP_B: + /* The bclk is inverted wrt ASoC conventions */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + dai_clk_mode |= DA7213_DAI_CLK_POL_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + dai_clk_mode |= DA7213_DAI_WCLK_POL_INV | + DA7213_DAI_CLK_POL_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + dai_clk_mode |= DA7213_DAI_WCLK_POL_INV; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + /* Only I2S is supported */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE; + break; + case SND_SOC_DAIFMT_LEFT_J: + dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J; + break; + case SND_SOC_DAIFMT_RIGHT_J: + dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J; + break; + case SND_SOC_DAI_FORMAT_DSP_A: /* L data MSB after FRM LRC */ + dai_ctrl |= DA7213_DAI_FORMAT_DSP; + dai_offset = 1; + break; + case SND_SOC_DAI_FORMAT_DSP_B: /* L data MSB during FRM LRC */ + dai_ctrl |= DA7213_DAI_FORMAT_DSP; + break; + default: + return -EINVAL; + } + + /* By default only 64 BCLK per WCLK is supported */ + dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64; + + snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE, + DA7213_DAI_BCLKS_PER_WCLK_MASK | + DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK, + dai_clk_mode); + snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK, + dai_ctrl); + snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset); + + return 0; +} + +static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction) +{ + struct snd_soc_component *component = dai->component; + + if (mute) { + snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL, + DA7213_MUTE_EN, DA7213_MUTE_EN); + snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL, + DA7213_MUTE_EN, DA7213_MUTE_EN); + } else { + snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL, + DA7213_MUTE_EN, 0); + snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL, + DA7213_MUTE_EN, 0); + } + + return 0; +} + +#define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +static int da7213_set_component_sysclk(struct snd_soc_component *component, + int clk_id, int source, + unsigned int freq, int dir) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + int ret = 0; + + if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq)) + return 0; + + if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) { + dev_err(component->dev, "Unsupported MCLK value %d\n", + freq); + return -EINVAL; + } + + switch (clk_id) { + case DA7213_CLKSRC_MCLK: + snd_soc_component_update_bits(component, DA7213_PLL_CTRL, + DA7213_PLL_MCLK_SQR_EN, 0); + break; + case DA7213_CLKSRC_MCLK_SQR: + snd_soc_component_update_bits(component, DA7213_PLL_CTRL, + DA7213_PLL_MCLK_SQR_EN, + DA7213_PLL_MCLK_SQR_EN); + break; + default: + dev_err(component->dev, "Unknown clock source %d\n", clk_id); + return -EINVAL; + } + + da7213->clk_src = clk_id; + + if (da7213->mclk) { + freq = clk_round_rate(da7213->mclk, freq); + ret = clk_set_rate(da7213->mclk, freq); + if (ret) { + dev_err(component->dev, "Failed to set clock rate %d\n", + freq); + return ret; + } + } + + da7213->mclk_rate = freq; + + return 0; +} + +/* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */ +static int _da7213_set_component_pll(struct snd_soc_component *component, + int pll_id, int source, + unsigned int fref, unsigned int fout) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + + u8 pll_ctrl, indiv_bits, indiv; + u8 pll_frac_top, pll_frac_bot, pll_integer; + u32 freq_ref; + u64 frac_div; + + /* Workout input divider based on MCLK rate */ + if (da7213->mclk_rate == 32768) { + if (!da7213->master) { + dev_err(component->dev, + "32KHz only valid if codec is clock master\n"); + return -EINVAL; + } + + /* 32KHz PLL Mode */ + indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ; + indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL; + source = DA7213_SYSCLK_PLL_32KHZ; + freq_ref = 3750000; + + } else { + if (da7213->mclk_rate < 5000000) { + dev_err(component->dev, + "PLL input clock %d below valid range\n", + da7213->mclk_rate); + return -EINVAL; + } else if (da7213->mclk_rate <= 9000000) { + indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ; + indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL; + } else if (da7213->mclk_rate <= 18000000) { + indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ; + indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL; + } else if (da7213->mclk_rate <= 36000000) { + indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ; + indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL; + } else if (da7213->mclk_rate <= 54000000) { + indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ; + indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL; + } else { + dev_err(component->dev, + "PLL input clock %d above valid range\n", + da7213->mclk_rate); + return -EINVAL; + } + freq_ref = (da7213->mclk_rate / indiv); + } + + pll_ctrl = indiv_bits; + + /* Configure PLL */ + switch (source) { + case DA7213_SYSCLK_MCLK: + snd_soc_component_update_bits(component, DA7213_PLL_CTRL, + DA7213_PLL_INDIV_MASK | + DA7213_PLL_MODE_MASK, pll_ctrl); + return 0; + case DA7213_SYSCLK_PLL: + break; + case DA7213_SYSCLK_PLL_SRM: + pll_ctrl |= DA7213_PLL_SRM_EN; + fout = DA7213_PLL_FREQ_OUT_94310400; + break; + case DA7213_SYSCLK_PLL_32KHZ: + if (da7213->mclk_rate != 32768) { + dev_err(component->dev, + "32KHz mode only valid with 32KHz MCLK\n"); + return -EINVAL; + } + + pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN; + fout = DA7213_PLL_FREQ_OUT_94310400; + break; + default: + dev_err(component->dev, "Invalid PLL config\n"); + return -EINVAL; + } + + /* Calculate dividers for PLL */ + pll_integer = fout / freq_ref; + frac_div = (u64)(fout % freq_ref) * 8192ULL; + do_div(frac_div, freq_ref); + pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK; + pll_frac_bot = (frac_div) & DA7213_BYTE_MASK; + + /* Write PLL dividers */ + snd_soc_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top); + snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot); + snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer); + + /* Enable PLL */ + pll_ctrl |= DA7213_PLL_EN; + snd_soc_component_update_bits(component, DA7213_PLL_CTRL, + DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK, + pll_ctrl); + + /* Assist 32KHz mode PLL lock */ + if (source == DA7213_SYSCLK_PLL_32KHZ) { + snd_soc_component_write(component, 0xF0, 0x8B); + snd_soc_component_write(component, 0xF1, 0x03); + snd_soc_component_write(component, 0xF1, 0x01); + snd_soc_component_write(component, 0xF0, 0x00); + } + + return 0; +} + +static int da7213_set_component_pll(struct snd_soc_component *component, + int pll_id, int source, + unsigned int fref, unsigned int fout) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + da7213->fixed_clk_auto_pll = false; + + return _da7213_set_component_pll(component, pll_id, source, fref, fout); +} + +/* DAI operations */ +static const struct snd_soc_dai_ops da7213_dai_ops = { + .hw_params = da7213_hw_params, + .set_fmt = da7213_set_dai_fmt, + .mute_stream = da7213_mute, + .no_capture_mute = 1, +}; + +static struct snd_soc_dai_driver da7213_dai = { + .name = "da7213-hifi", + /* Playback Capabilities */ + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_96000, + .formats = DA7213_FORMATS, + }, + /* Capture Capabilities */ + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_96000, + .formats = DA7213_FORMATS, + }, + .ops = &da7213_dai_ops, + .symmetric_rates = 1, +}; + +static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + int mode; + + if (!da7213->fixed_clk_auto_pll) + return 0; + + da7213->mclk_rate = clk_get_rate(da7213->mclk); + + if (enable) { + /* Slave mode needs SRM for non-harmonic frequencies */ + if (da7213->master) + mode = DA7213_SYSCLK_PLL; + else + mode = DA7213_SYSCLK_PLL_SRM; + + /* PLL is not required for harmonic frequencies */ + switch (da7213->out_rate) { + case DA7213_PLL_FREQ_OUT_90316800: + if (da7213->mclk_rate == 11289600 || + da7213->mclk_rate == 22579200 || + da7213->mclk_rate == 45158400) + mode = DA7213_SYSCLK_MCLK; + break; + case DA7213_PLL_FREQ_OUT_98304000: + if (da7213->mclk_rate == 12288000 || + da7213->mclk_rate == 24576000 || + da7213->mclk_rate == 49152000) + mode = DA7213_SYSCLK_MCLK; + + break; + default: + return -1; + } + } else { + /* Disable PLL in standby */ + mode = DA7213_SYSCLK_MCLK; + } + + return _da7213_set_component_pll(component, 0, mode, + da7213->mclk_rate, da7213->out_rate); +} + +static int da7213_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + int ret; + + switch (level) { + case SND_SOC_BIAS_ON: + break; + case SND_SOC_BIAS_PREPARE: + /* Enable MCLK for transition to ON state */ + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) { + if (da7213->mclk) { + ret = clk_prepare_enable(da7213->mclk); + if (ret) { + dev_err(component->dev, + "Failed to enable mclk\n"); + return ret; + } + + da7213_set_auto_pll(component, true); + } + } + break; + case SND_SOC_BIAS_STANDBY: + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { + /* Enable VMID reference & master bias */ + snd_soc_component_update_bits(component, DA7213_REFERENCES, + DA7213_VMID_EN | DA7213_BIAS_EN, + DA7213_VMID_EN | DA7213_BIAS_EN); + } else { + /* Remove MCLK */ + if (da7213->mclk) { + da7213_set_auto_pll(component, false); + clk_disable_unprepare(da7213->mclk); + } + } + break; + case SND_SOC_BIAS_OFF: + /* Disable VMID reference & master bias */ + snd_soc_component_update_bits(component, DA7213_REFERENCES, + DA7213_VMID_EN | DA7213_BIAS_EN, 0); + break; + } + return 0; +} + +#if defined(CONFIG_OF) +/* DT */ +static const struct of_device_id da7213_of_match[] = { + { .compatible = "dlg,da7212", }, + { .compatible = "dlg,da7213", }, + { } +}; +MODULE_DEVICE_TABLE(of, da7213_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id da7213_acpi_match[] = { + { "DLGS7212", 0}, + { "DLGS7213", 0}, + { }, +}; +MODULE_DEVICE_TABLE(acpi, da7213_acpi_match); +#endif + +static enum da7213_micbias_voltage + da7213_of_micbias_lvl(struct snd_soc_component *component, u32 val) +{ + switch (val) { + case 1600: + return DA7213_MICBIAS_1_6V; + case 2200: + return DA7213_MICBIAS_2_2V; + case 2500: + return DA7213_MICBIAS_2_5V; + case 3000: + return DA7213_MICBIAS_3_0V; + default: + dev_warn(component->dev, "Invalid micbias level\n"); + return DA7213_MICBIAS_2_2V; + } +} + +static enum da7213_dmic_data_sel + da7213_of_dmic_data_sel(struct snd_soc_component *component, const char *str) +{ + if (!strcmp(str, "lrise_rfall")) { + return DA7213_DMIC_DATA_LRISE_RFALL; + } else if (!strcmp(str, "lfall_rrise")) { + return DA7213_DMIC_DATA_LFALL_RRISE; + } else { + dev_warn(component->dev, "Invalid DMIC data select type\n"); + return DA7213_DMIC_DATA_LRISE_RFALL; + } +} + +static enum da7213_dmic_samplephase + da7213_of_dmic_samplephase(struct snd_soc_component *component, const char *str) +{ + if (!strcmp(str, "on_clkedge")) { + return DA7213_DMIC_SAMPLE_ON_CLKEDGE; + } else if (!strcmp(str, "between_clkedge")) { + return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE; + } else { + dev_warn(component->dev, "Invalid DMIC sample phase\n"); + return DA7213_DMIC_SAMPLE_ON_CLKEDGE; + } +} + +static enum da7213_dmic_clk_rate + da7213_of_dmic_clkrate(struct snd_soc_component *component, u32 val) +{ + switch (val) { + case 1500000: + return DA7213_DMIC_CLK_1_5MHZ; + case 3000000: + return DA7213_DMIC_CLK_3_0MHZ; + default: + dev_warn(component->dev, "Invalid DMIC clock rate\n"); + return DA7213_DMIC_CLK_1_5MHZ; + } +} + +static struct da7213_platform_data + *da7213_fw_to_pdata(struct snd_soc_component *component) +{ + struct device *dev = component->dev; + struct da7213_platform_data *pdata; + const char *fw_str; + u32 fw_val32; + + pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return NULL; + + if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0) + pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32); + else + pdata->micbias1_lvl = DA7213_MICBIAS_2_2V; + + if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0) + pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32); + else + pdata->micbias2_lvl = DA7213_MICBIAS_2_2V; + + if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str)) + pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str); + else + pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL; + + if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str)) + pdata->dmic_samplephase = + da7213_of_dmic_samplephase(component, fw_str); + else + pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE; + + if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0) + pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32); + else + pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ; + + return pdata; +} + +static int da7213_probe(struct snd_soc_component *component) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + + pm_runtime_get_sync(component->dev); + + /* Default to using ALC auto offset calibration mode. */ + snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, + DA7213_ALC_CALIB_MODE_MAN, 0); + da7213->alc_calib_auto = true; + + /* Default PC counter to free-running */ + snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK, + DA7213_PC_FREERUN_MASK); + + /* Enable all Gain Ramps */ + snd_soc_component_update_bits(component, DA7213_AUX_L_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_AUX_R_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_HP_L_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_HP_R_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + snd_soc_component_update_bits(component, DA7213_LINE_CTRL, + DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); + + /* + * There are two separate control bits for input and output mixers as + * well as headphone and line outs. + * One to enable corresponding amplifier and other to enable its + * output. As amplifier bits are related to power control, they are + * being managed by DAPM while other (non power related) bits are + * enabled here + */ + snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL, + DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN); + snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL, + DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN); + + snd_soc_component_update_bits(component, DA7213_MIXOUT_L_CTRL, + DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN); + snd_soc_component_update_bits(component, DA7213_MIXOUT_R_CTRL, + DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN); + + snd_soc_component_update_bits(component, DA7213_HP_L_CTRL, + DA7213_HP_AMP_OE, DA7213_HP_AMP_OE); + snd_soc_component_update_bits(component, DA7213_HP_R_CTRL, + DA7213_HP_AMP_OE, DA7213_HP_AMP_OE); + + snd_soc_component_update_bits(component, DA7213_LINE_CTRL, + DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE); + + /* Handle DT/Platform data */ + da7213->pdata = dev_get_platdata(component->dev); + if (!da7213->pdata) + da7213->pdata = da7213_fw_to_pdata(component); + + /* Set platform data values */ + if (da7213->pdata) { + struct da7213_platform_data *pdata = da7213->pdata; + u8 micbias_lvl = 0, dmic_cfg = 0; + + /* Set Mic Bias voltages */ + switch (pdata->micbias1_lvl) { + case DA7213_MICBIAS_1_6V: + case DA7213_MICBIAS_2_2V: + case DA7213_MICBIAS_2_5V: + case DA7213_MICBIAS_3_0V: + micbias_lvl |= (pdata->micbias1_lvl << + DA7213_MICBIAS1_LEVEL_SHIFT); + break; + } + switch (pdata->micbias2_lvl) { + case DA7213_MICBIAS_1_6V: + case DA7213_MICBIAS_2_2V: + case DA7213_MICBIAS_2_5V: + case DA7213_MICBIAS_3_0V: + micbias_lvl |= (pdata->micbias2_lvl << + DA7213_MICBIAS2_LEVEL_SHIFT); + break; + } + snd_soc_component_update_bits(component, DA7213_MICBIAS_CTRL, + DA7213_MICBIAS1_LEVEL_MASK | + DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl); + + /* Set DMIC configuration */ + switch (pdata->dmic_data_sel) { + case DA7213_DMIC_DATA_LFALL_RRISE: + case DA7213_DMIC_DATA_LRISE_RFALL: + dmic_cfg |= (pdata->dmic_data_sel << + DA7213_DMIC_DATA_SEL_SHIFT); + break; + } + switch (pdata->dmic_samplephase) { + case DA7213_DMIC_SAMPLE_ON_CLKEDGE: + case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE: + dmic_cfg |= (pdata->dmic_samplephase << + DA7213_DMIC_SAMPLEPHASE_SHIFT); + break; + } + switch (pdata->dmic_clk_rate) { + case DA7213_DMIC_CLK_3_0MHZ: + case DA7213_DMIC_CLK_1_5MHZ: + dmic_cfg |= (pdata->dmic_clk_rate << + DA7213_DMIC_CLK_RATE_SHIFT); + break; + } + snd_soc_component_update_bits(component, DA7213_MIC_CONFIG, + DA7213_DMIC_DATA_SEL_MASK | + DA7213_DMIC_SAMPLEPHASE_MASK | + DA7213_DMIC_CLK_RATE_MASK, dmic_cfg); + } + + pm_runtime_put_sync(component->dev); + + /* Check if MCLK provided */ + da7213->mclk = devm_clk_get(component->dev, "mclk"); + if (IS_ERR(da7213->mclk)) { + if (PTR_ERR(da7213->mclk) != -ENOENT) + return PTR_ERR(da7213->mclk); + else + da7213->mclk = NULL; + } else { + /* Do automatic PLL handling assuming fixed clock until + * set_pll() has been called. This makes the codec usable + * with the simple-audio-card driver. */ + da7213->fixed_clk_auto_pll = true; + } + + return 0; +} + +static const struct snd_soc_component_driver soc_component_dev_da7213 = { + .probe = da7213_probe, + .set_bias_level = da7213_set_bias_level, + .controls = da7213_snd_controls, + .num_controls = ARRAY_SIZE(da7213_snd_controls), + .dapm_widgets = da7213_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(da7213_dapm_widgets), + .dapm_routes = da7213_audio_map, + .num_dapm_routes = ARRAY_SIZE(da7213_audio_map), + .set_sysclk = da7213_set_component_sysclk, + .set_pll = da7213_set_component_pll, + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, + .non_legacy_dai_naming = 1, +}; + +static const struct regmap_config da7213_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .reg_defaults = da7213_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults), + .volatile_reg = da7213_volatile_register, + .cache_type = REGCACHE_RBTREE, +}; + +static void da7213_power_off(void *data) +{ + struct da7213_priv *da7213 = data; + regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies); +} + +static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = { + [DA7213_SUPPLY_VDDA] = "VDDA", + [DA7213_SUPPLY_VDDIO] = "VDDIO", +}; + +static int da7213_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct da7213_priv *da7213; + int i, ret; + + da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL); + if (!da7213) + return -ENOMEM; + + i2c_set_clientdata(i2c, da7213); + + /* Get required supplies */ + for (i = 0; i < DA7213_NUM_SUPPLIES; ++i) + da7213->supplies[i].supply = da7213_supply_names[i]; + + ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES, + da7213->supplies); + if (ret) { + dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies); + if (ret < 0) + return ret; + + ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213); + if (ret < 0) + return ret; + + da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config); + if (IS_ERR(da7213->regmap)) { + ret = PTR_ERR(da7213->regmap); + dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret); + return ret; + } + + pm_runtime_set_autosuspend_delay(&i2c->dev, 100); + pm_runtime_use_autosuspend(&i2c->dev); + pm_runtime_set_active(&i2c->dev); + pm_runtime_enable(&i2c->dev); + + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_da7213, &da7213_dai, 1); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to register da7213 component: %d\n", + ret); + } + return ret; +} + +static int __maybe_unused da7213_runtime_suspend(struct device *dev) +{ + struct da7213_priv *da7213 = dev_get_drvdata(dev); + + regcache_cache_only(da7213->regmap, true); + regcache_mark_dirty(da7213->regmap); + regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies); + + return 0; +} + +static int __maybe_unused da7213_runtime_resume(struct device *dev) +{ + struct da7213_priv *da7213 = dev_get_drvdata(dev); + int ret; + + ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies); + if (ret < 0) + return ret; + regcache_cache_only(da7213->regmap, false); + regcache_sync(da7213->regmap); + return 0; +} + +static const struct dev_pm_ops da7213_pm = { + SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL) +}; + +static const struct i2c_device_id da7213_i2c_id[] = { + { "da7213", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, da7213_i2c_id); + +/* I2C codec control layer */ +static struct i2c_driver da7213_i2c_driver = { + .driver = { + .name = "da7213", + .of_match_table = of_match_ptr(da7213_of_match), + .acpi_match_table = ACPI_PTR(da7213_acpi_match), + .pm = &da7213_pm, + }, + .probe = da7213_i2c_probe, + .id_table = da7213_i2c_id, +}; + +module_i2c_driver(da7213_i2c_driver); + +MODULE_DESCRIPTION("ASoC DA7213 Codec driver"); +MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>"); +MODULE_LICENSE("GPL"); |