/* * DA7213 ALSA SoC Codec Driver * * Copyright (c) 2013 Dialog Semiconductor * * Author: Adam Thomson * Based on DA9055 ALSA SoC codec driver. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include #include #include #include #include #include #include #include #include #include #include #include #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_codec *codec, 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_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val); /* Select middle 8 bits for read back from data register */ snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val | DA7213_ALC_DATA_MIDDLE); mid_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA); /* Select top 8 bits for read back from data register */ snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val | DA7213_ALC_DATA_TOP); top_data = snd_soc_read(codec, 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_codec *codec) { 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(codec, DA7213_ALC_CIC_OP_CHANNEL_LEFT); /* Right Data */ avg_right_data = da7213_get_alc_data(codec, 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_write(codec, DA7213_ALC_OFFSET_MAN_M_L, reg_val); reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16; snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_L, reg_val); reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8; snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_R, reg_val); reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16; snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_R, reg_val); /* Enable analog/digital gain mode & offset cancellation */ snd_soc_update_bits(codec, 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_codec *codec) { u8 alc_ctrl1; /* Begin auto calibration and wait for completion */ snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN, DA7213_ALC_AUTO_CALIB_EN); do { alc_ctrl1 = snd_soc_read(codec, 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(codec->dev, "ALC auto calibration failed with overflow\n"); snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE, 0); } else { /* Enable analog/digital gain mode & offset cancellation */ snd_soc_update_bits(codec, 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_codec *codec) { struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); 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_read(codec, DA7213_ADC_L_CTRL); adc_r_ctrl = snd_soc_read(codec, DA7213_ADC_R_CTRL); /* Save current values from MIXIN_L/R_SELECT registers */ mixin_l_sel = snd_soc_read(codec, DA7213_MIXIN_L_SELECT); mixin_r_sel = snd_soc_read(codec, DA7213_MIXIN_R_SELECT); /* Save current values from MIC control registers */ mic_1_ctrl = snd_soc_read(codec, DA7213_MIC_1_CTRL); mic_2_ctrl = snd_soc_read(codec, DA7213_MIC_2_CTRL); /* Enable ADC Left and Right */ snd_soc_update_bits(codec, DA7213_ADC_L_CTRL, DA7213_ADC_EN, DA7213_ADC_EN); snd_soc_update_bits(codec, DA7213_ADC_R_CTRL, DA7213_ADC_EN, DA7213_ADC_EN); /* Enable MIC paths */ snd_soc_update_bits(codec, 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_update_bits(codec, 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_update_bits(codec, DA7213_MIC_1_CTRL, DA7213_MUTE_EN, DA7213_MUTE_EN); snd_soc_update_bits(codec, DA7213_MIC_2_CTRL, DA7213_MUTE_EN, DA7213_MUTE_EN); /* Perform calibration */ if (da7213->alc_calib_auto) da7213_alc_calib_auto(codec); else da7213_alc_calib_man(codec); /* Restore MIXIN_L/R_SELECT registers to their original states */ snd_soc_write(codec, DA7213_MIXIN_L_SELECT, mixin_l_sel); snd_soc_write(codec, DA7213_MIXIN_R_SELECT, mixin_r_sel); /* Restore ADC control registers to their original states */ snd_soc_write(codec, DA7213_ADC_L_CTRL, adc_l_ctrl); snd_soc_write(codec, DA7213_ADC_R_CTRL, adc_r_ctrl); /* Restore original values of MIC control registers */ snd_soc_write(codec, DA7213_MIC_1_CTRL, mic_1_ctrl); snd_soc_write(codec, 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_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); 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(codec); return ret; } static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); /* 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(codec); 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_codec *codec = snd_soc_dapm_to_codec(w->dapm); struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); 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_update_bits(codec, DA7213_DAI_CLK_MODE, DA7213_DAI_CLK_EN_MASK, DA7213_DAI_CLK_EN_MASK); /* Slave mode, if SRM not enabled no need for status checks */ pll_ctrl = snd_soc_read(codec, DA7213_PLL_CTRL); if (!(pll_ctrl & DA7213_PLL_SRM_EN)) return 0; /* Check SRM has locked */ do { pll_status = snd_soc_read(codec, 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(codec->dev, "SRM failed to lock\n"); return 0; case SND_SOC_DAPM_POST_PMD: /* Disable DAI clks if in master mode */ if (da7213->master) snd_soc_update_bits(codec, 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[] = { /* * 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 */ {"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 1; default: return 0; } } static int da7213_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct snd_soc_codec *codec = dai->codec; 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; break; case 11025: fs = DA7213_SR_11025; break; case 12000: fs = DA7213_SR_12000; break; case 16000: fs = DA7213_SR_16000; break; case 22050: fs = DA7213_SR_22050; break; case 32000: fs = DA7213_SR_32000; break; case 44100: fs = DA7213_SR_44100; break; case 48000: fs = DA7213_SR_48000; break; case 88200: fs = DA7213_SR_88200; break; case 96000: fs = DA7213_SR_96000; break; default: return -EINVAL; } snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK, dai_ctrl); snd_soc_write(codec, DA7213_SR, fs); return 0; } static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); u8 dai_clk_mode = 0, dai_ctrl = 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_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; } /* 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; default: return -EINVAL; } /* By default only 32 BCLK per WCLK is supported */ dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_32; snd_soc_write(codec, DA7213_DAI_CLK_MODE, dai_clk_mode); snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK, dai_ctrl); return 0; } static int da7213_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; if (mute) { snd_soc_update_bits(codec, DA7213_DAC_L_CTRL, DA7213_MUTE_EN, DA7213_MUTE_EN); snd_soc_update_bits(codec, DA7213_DAC_R_CTRL, DA7213_MUTE_EN, DA7213_MUTE_EN); } else { snd_soc_update_bits(codec, DA7213_DAC_L_CTRL, DA7213_MUTE_EN, 0); snd_soc_update_bits(codec, 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_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = codec_dai->codec; struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); int ret = 0; if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq)) return 0; if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) { dev_err(codec_dai->dev, "Unsupported MCLK value %d\n", freq); return -EINVAL; } switch (clk_id) { case DA7213_CLKSRC_MCLK: da7213->mclk_squarer_en = false; break; case DA7213_CLKSRC_MCLK_SQR: da7213->mclk_squarer_en = true; break; default: dev_err(codec_dai->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(codec_dai->dev, "Failed to set clock rate %d\n", freq); return ret; } } da7213->mclk_rate = freq; return 0; } /* Supported PLL input frequencies are 5MHz - 54MHz. */ static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, int source, unsigned int fref, unsigned int fout) { struct snd_soc_codec *codec = codec_dai->codec; struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); u8 pll_ctrl, indiv_bits, indiv; u8 pll_frac_top, pll_frac_bot, pll_integer; u32 freq_ref; u64 frac_div; /* Reset PLL configuration */ snd_soc_write(codec, DA7213_PLL_CTRL, 0); pll_ctrl = 0; /* Workout input divider based on MCLK rate */ if ((da7213->mclk_rate == 32768) && (source == DA7213_SYSCLK_PLL)) { /* 32KHz PLL Mode */ indiv_bits = DA7213_PLL_INDIV_10_20_MHZ; indiv = DA7213_PLL_INDIV_10_20_MHZ_VAL; freq_ref = 3750000; pll_ctrl |= DA7213_PLL_32K_MODE; } else { /* 5 - 54MHz MCLK */ if (da7213->mclk_rate < 5000000) { goto pll_err; } else if (da7213->mclk_rate <= 10000000) { indiv_bits = DA7213_PLL_INDIV_5_10_MHZ; indiv = DA7213_PLL_INDIV_5_10_MHZ_VAL; } else if (da7213->mclk_rate <= 20000000) { indiv_bits = DA7213_PLL_INDIV_10_20_MHZ; indiv = DA7213_PLL_INDIV_10_20_MHZ_VAL; } else if (da7213->mclk_rate <= 40000000) { indiv_bits = DA7213_PLL_INDIV_20_40_MHZ; indiv = DA7213_PLL_INDIV_20_40_MHZ_VAL; } else if (da7213->mclk_rate <= 54000000) { indiv_bits = DA7213_PLL_INDIV_40_54_MHZ; indiv = DA7213_PLL_INDIV_40_54_MHZ_VAL; } else { goto pll_err; } freq_ref = (da7213->mclk_rate / indiv); } pll_ctrl |= indiv_bits; /* PLL Bypass mode */ if (source == DA7213_SYSCLK_MCLK) { snd_soc_write(codec, DA7213_PLL_CTRL, pll_ctrl); return 0; } /* * If Codec is slave and SRM enabled, * freq_out is (98304000 + 90316800)/2 = 94310400 */ if (!da7213->master && da7213->srm_en) { fout = DA7213_PLL_FREQ_OUT_94310400; pll_ctrl |= DA7213_PLL_SRM_EN; } /* Enable MCLK squarer if required */ if (da7213->mclk_squarer_en) pll_ctrl |= DA7213_PLL_MCLK_SQR_EN; /* 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_write(codec, DA7213_PLL_FRAC_TOP, pll_frac_top); snd_soc_write(codec, DA7213_PLL_FRAC_BOT, pll_frac_bot); snd_soc_write(codec, DA7213_PLL_INTEGER, pll_integer); /* Enable PLL */ pll_ctrl |= DA7213_PLL_EN; snd_soc_write(codec, DA7213_PLL_CTRL, pll_ctrl); return 0; pll_err: dev_err(codec_dai->dev, "Unsupported PLL input frequency %d\n", da7213->mclk_rate); return -EINVAL; } /* DAI operations */ static const struct snd_soc_dai_ops da7213_dai_ops = { .hw_params = da7213_hw_params, .set_fmt = da7213_set_dai_fmt, .set_sysclk = da7213_set_dai_sysclk, .set_pll = da7213_set_dai_pll, .digital_mute = da7213_mute, }; 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_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); int ret; switch (level) { case SND_SOC_BIAS_ON: case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { /* MCLK */ if (da7213->mclk) { ret = clk_prepare_enable(da7213->mclk); if (ret) { dev_err(codec->dev, "Failed to enable mclk\n"); return ret; } } /* Enable VMID reference & master bias */ snd_soc_update_bits(codec, DA7213_REFERENCES, DA7213_VMID_EN | DA7213_BIAS_EN, DA7213_VMID_EN | DA7213_BIAS_EN); } break; case SND_SOC_BIAS_OFF: /* Disable VMID reference & master bias */ snd_soc_update_bits(codec, DA7213_REFERENCES, DA7213_VMID_EN | DA7213_BIAS_EN, 0); /* MCLK */ if (da7213->mclk) clk_disable_unprepare(da7213->mclk); break; } return 0; } /* DT */ static const struct of_device_id da7213_of_match[] = { { .compatible = "dlg,da7213", }, { } }; MODULE_DEVICE_TABLE(of, da7213_of_match); static enum da7213_micbias_voltage da7213_of_micbias_lvl(struct snd_soc_codec *codec, 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(codec->dev, "Invalid micbias level\n"); return DA7213_MICBIAS_2_2V; } } static enum da7213_dmic_data_sel da7213_of_dmic_data_sel(struct snd_soc_codec *codec, 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(codec->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_codec *codec, 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(codec->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_codec *codec, u32 val) { switch (val) { case 1500000: return DA7213_DMIC_CLK_1_5MHZ; case 3000000: return DA7213_DMIC_CLK_3_0MHZ; default: dev_warn(codec->dev, "Invalid DMIC clock rate\n"); return DA7213_DMIC_CLK_1_5MHZ; } } static struct da7213_platform_data *da7213_of_to_pdata(struct snd_soc_codec *codec) { struct device_node *np = codec->dev->of_node; struct da7213_platform_data *pdata; const char *of_str; u32 of_val32; pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) { dev_warn(codec->dev, "Failed to allocate memory for pdata\n"); return NULL; } if (of_property_read_u32(np, "dlg,micbias1-lvl", &of_val32) >= 0) pdata->micbias1_lvl = da7213_of_micbias_lvl(codec, of_val32); else pdata->micbias1_lvl = DA7213_MICBIAS_2_2V; if (of_property_read_u32(np, "dlg,micbias2-lvl", &of_val32) >= 0) pdata->micbias2_lvl = da7213_of_micbias_lvl(codec, of_val32); else pdata->micbias2_lvl = DA7213_MICBIAS_2_2V; if (!of_property_read_string(np, "dlg,dmic-data-sel", &of_str)) pdata->dmic_data_sel = da7213_of_dmic_data_sel(codec, of_str); else pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL; if (!of_property_read_string(np, "dlg,dmic-samplephase", &of_str)) pdata->dmic_samplephase = da7213_of_dmic_samplephase(codec, of_str); else pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE; if (of_property_read_u32(np, "dlg,dmic-clkrate", &of_val32) >= 0) pdata->dmic_clk_rate = da7213_of_dmic_clkrate(codec, of_val32); else pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ; return pdata; } static int da7213_probe(struct snd_soc_codec *codec) { struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec); /* Default to using ALC auto offset calibration mode. */ snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_CALIB_MODE_MAN, 0); da7213->alc_calib_auto = true; /* Default to using SRM for slave mode */ da7213->srm_en = true; /* Enable all Gain Ramps */ snd_soc_update_bits(codec, DA7213_AUX_L_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_ADC_L_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_DAC_L_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_HP_L_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN); snd_soc_update_bits(codec, 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_update_bits(codec, DA7213_MIXIN_L_CTRL, DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN); snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL, DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN); snd_soc_update_bits(codec, DA7213_MIXOUT_L_CTRL, DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN); snd_soc_update_bits(codec, DA7213_MIXOUT_R_CTRL, DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN); snd_soc_update_bits(codec, DA7213_HP_L_CTRL, DA7213_HP_AMP_OE, DA7213_HP_AMP_OE); snd_soc_update_bits(codec, DA7213_HP_R_CTRL, DA7213_HP_AMP_OE, DA7213_HP_AMP_OE); snd_soc_update_bits(codec, DA7213_LINE_CTRL, DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE); /* Handle DT/Platform data */ if (codec->dev->of_node) da7213->pdata = da7213_of_to_pdata(codec); else da7213->pdata = dev_get_platdata(codec->dev); /* 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_update_bits(codec, 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_update_bits(codec, DA7213_MIC_CONFIG, DA7213_DMIC_DATA_SEL_MASK | DA7213_DMIC_SAMPLEPHASE_MASK | DA7213_DMIC_CLK_RATE_MASK, dmic_cfg); } /* Check if MCLK provided */ da7213->mclk = devm_clk_get(codec->dev, "mclk"); if (IS_ERR(da7213->mclk)) { if (PTR_ERR(da7213->mclk) != -ENOENT) return PTR_ERR(da7213->mclk); else da7213->mclk = NULL; } return 0; } static struct snd_soc_codec_driver soc_codec_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), }; 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 int da7213_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct da7213_priv *da7213; int ret; da7213 = devm_kzalloc(&i2c->dev, sizeof(struct da7213_priv), GFP_KERNEL); if (!da7213) return -ENOMEM; i2c_set_clientdata(i2c, da7213); 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; } ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7213, &da7213_dai, 1); if (ret < 0) { dev_err(&i2c->dev, "Failed to register da7213 codec: %d\n", ret); } return ret; } static int da7213_remove(struct i2c_client *client) { snd_soc_unregister_codec(&client->dev); return 0; } 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), }, .probe = da7213_i2c_probe, .remove = da7213_remove, .id_table = da7213_i2c_id, }; module_i2c_driver(da7213_i2c_driver); MODULE_DESCRIPTION("ASoC DA7213 Codec driver"); MODULE_AUTHOR("Adam Thomson "); MODULE_LICENSE("GPL");