soc/codecs/da7213.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * DA7213 ALSA SoC Codec Driver
0004  *
0005  * Copyright (c) 2013 Dialog Semiconductor
0006  *
0007  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
0008  * Based on DA9055 ALSA SoC codec driver.
0009  */
0010
0011 #include <linux/acpi.h>
0012 #include <linux/of_device.h>
0013 #include <linux/property.h>
0014 #include <linux/clk.h>
0015 #include <linux/delay.h>
0016 #include <linux/i2c.h>
0017 #include <linux/regmap.h>
0018 #include <linux/slab.h>
0019 #include <linux/module.h>
0020 #include <sound/pcm.h>
0021 #include <sound/pcm_params.h>
0022 #include <linux/pm_runtime.h>
0023 #include <sound/soc.h>
0024 #include <sound/initval.h>
0025 #include <sound/tlv.h>
0026
0027 #include <sound/da7213.h>
0028 #include "da7213.h"
0029
0030
0031 /* Gain and Volume */
0032 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
0033     /* -54dB */
0034     0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
0035     /* -52.5dB to 15dB */
0036     0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
0037 );
0038
0039 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
0040     0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
0041     /* -78dB to 12dB */
0042     0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
0043 );
0044
0045 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
0046     0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
0047     /* 0dB to 36dB */
0048     0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
0049 );
0050
0051 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
0052 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
0053 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
0054 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
0055 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
0056 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
0057 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
0058
0059 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
0060 static const char * const da7213_voice_hpf_corner_txt[] = {
0061     "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
0062 };
0063
0064 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
0065                 DA7213_DAC_FILTERS1,
0066                 DA7213_VOICE_HPF_CORNER_SHIFT,
0067                 da7213_voice_hpf_corner_txt);
0068
0069 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
0070                 DA7213_ADC_FILTERS1,
0071                 DA7213_VOICE_HPF_CORNER_SHIFT,
0072                 da7213_voice_hpf_corner_txt);
0073
0074 /* ADC and DAC high pass filter cutoff value */
0075 static const char * const da7213_audio_hpf_corner_txt[] = {
0076     "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
0077 };
0078
0079 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
0080                 DA7213_DAC_FILTERS1
0081                 , DA7213_AUDIO_HPF_CORNER_SHIFT,
0082                 da7213_audio_hpf_corner_txt);
0083
0084 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
0085                 DA7213_ADC_FILTERS1,
0086                 DA7213_AUDIO_HPF_CORNER_SHIFT,
0087                 da7213_audio_hpf_corner_txt);
0088
0089 /* Gain ramping rate value */
0090 static const char * const da7213_gain_ramp_rate_txt[] = {
0091     "nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
0092     "nominal rate / 32"
0093 };
0094
0095 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
0096                 DA7213_GAIN_RAMP_CTRL,
0097                 DA7213_GAIN_RAMP_RATE_SHIFT,
0098                 da7213_gain_ramp_rate_txt);
0099
0100 /* DAC noise gate setup time value */
0101 static const char * const da7213_dac_ng_setup_time_txt[] = {
0102     "256 samples", "512 samples", "1024 samples", "2048 samples"
0103 };
0104
0105 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
0106                 DA7213_DAC_NG_SETUP_TIME,
0107                 DA7213_DAC_NG_SETUP_TIME_SHIFT,
0108                 da7213_dac_ng_setup_time_txt);
0109
0110 /* DAC noise gate rampup rate value */
0111 static const char * const da7213_dac_ng_rampup_txt[] = {
0112     "0.02 ms/dB", "0.16 ms/dB"
0113 };
0114
0115 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
0116                 DA7213_DAC_NG_SETUP_TIME,
0117                 DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
0118                 da7213_dac_ng_rampup_txt);
0119
0120 /* DAC noise gate rampdown rate value */
0121 static const char * const da7213_dac_ng_rampdown_txt[] = {
0122     "0.64 ms/dB", "20.48 ms/dB"
0123 };
0124
0125 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
0126                 DA7213_DAC_NG_SETUP_TIME,
0127                 DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
0128                 da7213_dac_ng_rampdown_txt);
0129
0130 /* DAC soft mute rate value */
0131 static const char * const da7213_dac_soft_mute_rate_txt[] = {
0132     "1", "2", "4", "8", "16", "32", "64"
0133 };
0134
0135 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
0136                 DA7213_DAC_FILTERS5,
0137                 DA7213_DAC_SOFTMUTE_RATE_SHIFT,
0138                 da7213_dac_soft_mute_rate_txt);
0139
0140 /* ALC Attack Rate select */
0141 static const char * const da7213_alc_attack_rate_txt[] = {
0142     "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
0143     "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
0144 };
0145
0146 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
0147                 DA7213_ALC_CTRL2,
0148                 DA7213_ALC_ATTACK_SHIFT,
0149                 da7213_alc_attack_rate_txt);
0150
0151 /* ALC Release Rate select */
0152 static const char * const da7213_alc_release_rate_txt[] = {
0153     "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
0154     "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
0155 };
0156
0157 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
0158                 DA7213_ALC_CTRL2,
0159                 DA7213_ALC_RELEASE_SHIFT,
0160                 da7213_alc_release_rate_txt);
0161
0162 /* ALC Hold Time select */
0163 static const char * const da7213_alc_hold_time_txt[] = {
0164     "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
0165     "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
0166     "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
0167 };
0168
0169 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
0170                 DA7213_ALC_CTRL3,
0171                 DA7213_ALC_HOLD_SHIFT,
0172                 da7213_alc_hold_time_txt);
0173
0174 /* ALC Input Signal Tracking rate select */
0175 static const char * const da7213_alc_integ_rate_txt[] = {
0176     "1/4", "1/16", "1/256", "1/65536"
0177 };
0178
0179 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
0180                 DA7213_ALC_CTRL3,
0181                 DA7213_ALC_INTEG_ATTACK_SHIFT,
0182                 da7213_alc_integ_rate_txt);
0183
0184 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
0185                 DA7213_ALC_CTRL3,
0186                 DA7213_ALC_INTEG_RELEASE_SHIFT,
0187                 da7213_alc_integ_rate_txt);
0188
0189
0190 /*
0191  * Control Functions
0192  */
0193
0194 static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val)
0195 {
0196     int mid_data, top_data;
0197     int sum = 0;
0198     u8 iteration;
0199
0200     for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
0201          iteration++) {
0202         /* Select the left or right channel and capture data */
0203         snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
0204
0205         /* Select middle 8 bits for read back from data register */
0206         snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
0207                   reg_val | DA7213_ALC_DATA_MIDDLE);
0208         mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
0209
0210         /* Select top 8 bits for read back from data register */
0211         snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
0212                   reg_val | DA7213_ALC_DATA_TOP);
0213         top_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
0214
0215         sum += ((mid_data << 8) | (top_data << 16));
0216     }
0217
0218     return sum / DA7213_ALC_AVG_ITERATIONS;
0219 }
0220
0221 static void da7213_alc_calib_man(struct snd_soc_component *component)
0222 {
0223     u8 reg_val;
0224     int avg_left_data, avg_right_data, offset_l, offset_r;
0225
0226     /* Calculate average for Left and Right data */
0227     /* Left Data */
0228     avg_left_data = da7213_get_alc_data(component,
0229             DA7213_ALC_CIC_OP_CHANNEL_LEFT);
0230     /* Right Data */
0231     avg_right_data = da7213_get_alc_data(component,
0232              DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
0233
0234     /* Calculate DC offset */
0235     offset_l = -avg_left_data;
0236     offset_r = -avg_right_data;
0237
0238     reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
0239     snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
0240     reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
0241     snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
0242
0243     reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
0244     snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
0245     reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
0246     snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
0247
0248     /* Enable analog/digital gain mode & offset cancellation */
0249     snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
0250                 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
0251                 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
0252 }
0253
0254 static void da7213_alc_calib_auto(struct snd_soc_component *component)
0255 {
0256     u8 alc_ctrl1;
0257
0258     /* Begin auto calibration and wait for completion */
0259     snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
0260                 DA7213_ALC_AUTO_CALIB_EN);
0261     do {
0262         alc_ctrl1 = snd_soc_component_read(component, DA7213_ALC_CTRL1);
0263     } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
0264
0265     /* If auto calibration fails, fall back to digital gain only mode */
0266     if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
0267         dev_warn(component->dev,
0268              "ALC auto calibration failed with overflow\n");
0269         snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
0270                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
0271                     0);
0272     } else {
0273         /* Enable analog/digital gain mode & offset cancellation */
0274         snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
0275                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
0276                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
0277     }
0278
0279 }
0280
0281 static void da7213_alc_calib(struct snd_soc_component *component)
0282 {
0283     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
0284     u8 adc_l_ctrl, adc_r_ctrl;
0285     u8 mixin_l_sel, mixin_r_sel;
0286     u8 mic_1_ctrl, mic_2_ctrl;
0287
0288     /* Save current values from ADC control registers */
0289     adc_l_ctrl = snd_soc_component_read(component, DA7213_ADC_L_CTRL);
0290     adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL);
0291
0292     /* Save current values from MIXIN_L/R_SELECT registers */
0293     mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT);
0294     mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT);
0295
0296     /* Save current values from MIC control registers */
0297     mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL);
0298     mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL);
0299
0300     /* Enable ADC Left and Right */
0301     snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
0302                 DA7213_ADC_EN);
0303     snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
0304                 DA7213_ADC_EN);
0305
0306     /* Enable MIC paths */
0307     snd_soc_component_update_bits(component, DA7213_MIXIN_L_SELECT,
0308                 DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
0309                 DA7213_MIXIN_L_MIX_SELECT_MIC_2,
0310                 DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
0311                 DA7213_MIXIN_L_MIX_SELECT_MIC_2);
0312     snd_soc_component_update_bits(component, DA7213_MIXIN_R_SELECT,
0313                 DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
0314                 DA7213_MIXIN_R_MIX_SELECT_MIC_1,
0315                 DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
0316                 DA7213_MIXIN_R_MIX_SELECT_MIC_1);
0317
0318     /* Mute MIC PGAs */
0319     snd_soc_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
0320                 DA7213_MUTE_EN);
0321     snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
0322                 DA7213_MUTE_EN);
0323
0324     /* Perform calibration */
0325     if (da7213->alc_calib_auto)
0326         da7213_alc_calib_auto(component);
0327     else
0328         da7213_alc_calib_man(component);
0329
0330     /* Restore MIXIN_L/R_SELECT registers to their original states */
0331     snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel);
0332     snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel);
0333
0334     /* Restore ADC control registers to their original states */
0335     snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl);
0336     snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl);
0337
0338     /* Restore original values of MIC control registers */
0339     snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl);
0340     snd_soc_component_write(component, DA7213_MIC_2_CTRL, mic_2_ctrl);
0341 }
0342
0343 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
0344                 struct snd_ctl_elem_value *ucontrol)
0345 {
0346     struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
0347     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
0348     int ret;
0349
0350     ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
0351
0352     /* If ALC in operation, make sure calibrated offsets are updated */
0353     if ((!ret) && (da7213->alc_en))
0354         da7213_alc_calib(component);
0355
0356     return ret;
0357 }
0358
0359 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
0360                 struct snd_ctl_elem_value *ucontrol)
0361 {
0362     struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
0363     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
0364
0365     /* Force ALC offset calibration if enabling ALC */
0366     if (ucontrol->value.integer.value[0] ||
0367         ucontrol->value.integer.value[1]) {
0368         if (!da7213->alc_en) {
0369             da7213_alc_calib(component);
0370             da7213->alc_en = true;
0371         }
0372     } else {
0373         da7213->alc_en = false;
0374     }
0375
0376     return snd_soc_put_volsw(kcontrol, ucontrol);
0377 }
0378
0379
0380 /*
0381  * KControls
0382  */
0383
0384 static const struct snd_kcontrol_new da7213_snd_controls[] = {
0385
0386     /* Volume controls */
0387     SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
0388                DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
0389                DA7213_NO_INVERT, mic_vol_tlv),
0390     SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
0391                DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
0392                DA7213_NO_INVERT, mic_vol_tlv),
0393     SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
0394              DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
0395              DA7213_NO_INVERT, aux_vol_tlv),
0396     SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
0397                  DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
0398                  DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
0399                  snd_soc_get_volsw_2r, da7213_put_mixin_gain,
0400                  mixin_gain_tlv),
0401     SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
0402              DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
0403              DA7213_NO_INVERT, digital_gain_tlv),
0404     SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
0405              DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
0406              DA7213_NO_INVERT, digital_gain_tlv),
0407     SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
0408              DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
0409              DA7213_NO_INVERT, hp_vol_tlv),
0410     SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
0411                DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
0412                DA7213_NO_INVERT, lineout_vol_tlv),
0413
0414     /* DAC Equalizer controls */
0415     SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
0416            DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
0417     SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
0418                DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
0419                DA7213_NO_INVERT, eq_gain_tlv),
0420     SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
0421                DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
0422                DA7213_NO_INVERT, eq_gain_tlv),
0423     SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
0424                DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
0425                DA7213_NO_INVERT, eq_gain_tlv),
0426     SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
0427                DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
0428                DA7213_NO_INVERT, eq_gain_tlv),
0429     SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
0430                DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
0431                DA7213_NO_INVERT, eq_gain_tlv),
0432
0433     /* High Pass Filter and Voice Mode controls */
0434     SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
0435            DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
0436     SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
0437     SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
0438            DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
0439            DA7213_NO_INVERT),
0440     SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
0441
0442     SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
0443            DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
0444     SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
0445     SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
0446            DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
0447            DA7213_NO_INVERT),
0448     SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
0449
0450     /* Mute controls */
0451     SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
0452            DA7213_MUTE_EN_MAX, DA7213_INVERT),
0453     SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
0454            DA7213_MUTE_EN_MAX, DA7213_INVERT),
0455     SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
0456              DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
0457     SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
0458              DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
0459              DA7213_MUTE_EN_MAX, DA7213_INVERT),
0460     SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
0461              DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
0462     SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
0463              DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
0464     SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
0465            DA7213_MUTE_EN_MAX, DA7213_INVERT),
0466     SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
0467            DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
0468            DA7213_NO_INVERT),
0469     SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
0470
0471     /* Zero Cross controls */
0472     SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
0473              DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
0474     SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
0475              DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
0476              DA7213_NO_INVERT),
0477     SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
0478              DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
0479
0480     /* Gain Ramping controls */
0481     SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
0482              DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
0483              DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
0484     SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
0485              DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
0486              DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
0487     SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
0488              DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
0489              DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
0490     SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
0491              DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
0492              DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
0493     SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
0494              DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
0495              DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
0496     SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
0497            DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
0498            DA7213_NO_INVERT),
0499     SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
0500
0501     /* DAC Noise Gate controls */
0502     SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
0503            DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
0504     SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
0505     SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
0506     SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
0507     SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
0508            DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
0509            DA7213_NO_INVERT),
0510     SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
0511            DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
0512            DA7213_NO_INVERT),
0513
0514     /* DAC Routing & Inversion */
0515     SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
0516            DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
0517            DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
0518     SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
0519            DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
0520            DA7213_NO_INVERT),
0521
0522     /* DMIC controls */
0523     SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
0524              DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
0525              DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
0526
0527     /* ALC Controls */
0528     SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
0529                DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
0530                DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
0531     SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
0532     SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
0533     SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
0534     /*
0535      * Rate at which input signal envelope is tracked as the signal gets
0536      * larger
0537      */
0538     SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
0539     /*
0540      * Rate at which input signal envelope is tracked as the signal gets
0541      * smaller
0542      */
0543     SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
0544     SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
0545                DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
0546                DA7213_INVERT, alc_threshold_tlv),
0547     SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
0548                DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
0549                DA7213_INVERT, alc_threshold_tlv),
0550     SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
0551                DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
0552                DA7213_INVERT, alc_threshold_tlv),
0553     SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
0554                DA7213_ALC_ATTEN_MAX_SHIFT,
0555                DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
0556                alc_gain_tlv),
0557     SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
0558                DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
0559                DA7213_NO_INVERT, alc_gain_tlv),
0560     SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
0561                DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
0562                DA7213_NO_INVERT, alc_analog_gain_tlv),
0563     SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
0564                DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
0565                DA7213_NO_INVERT, alc_analog_gain_tlv),
0566     SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
0567            DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
0568            DA7213_NO_INVERT),
0569     SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
0570            DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
0571            DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
0572 };
0573
0574
0575 /*
0576  * DAPM
0577  */
0578
0579 /*
0580  * Enums
0581  */
0582
0583 /* MIC PGA source select */
0584 static const char * const da7213_mic_amp_in_sel_txt[] = {
0585     "Differential", "MIC_P", "MIC_N"
0586 };
0587
0588 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
0589                 DA7213_MIC_1_CTRL,
0590                 DA7213_MIC_AMP_IN_SEL_SHIFT,
0591                 da7213_mic_amp_in_sel_txt);
0592 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
0593     SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
0594
0595 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
0596                 DA7213_MIC_2_CTRL,
0597                 DA7213_MIC_AMP_IN_SEL_SHIFT,
0598                 da7213_mic_amp_in_sel_txt);
0599 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
0600     SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
0601
0602 /* DAI routing select */
0603 static const char * const da7213_dai_src_txt[] = {
0604     "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
0605 };
0606
0607 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
0608                 DA7213_DIG_ROUTING_DAI,
0609                 DA7213_DAI_L_SRC_SHIFT,
0610                 da7213_dai_src_txt);
0611 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
0612     SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
0613
0614 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
0615                 DA7213_DIG_ROUTING_DAI,
0616                 DA7213_DAI_R_SRC_SHIFT,
0617                 da7213_dai_src_txt);
0618 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
0619     SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
0620
0621 /* DAC routing select */
0622 static const char * const da7213_dac_src_txt[] = {
0623     "ADC Output Left", "ADC Output Right", "DAI Input Left",
0624     "DAI Input Right"
0625 };
0626
0627 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
0628                 DA7213_DIG_ROUTING_DAC,
0629                 DA7213_DAC_L_SRC_SHIFT,
0630                 da7213_dac_src_txt);
0631 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
0632     SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
0633
0634 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
0635                 DA7213_DIG_ROUTING_DAC,
0636                 DA7213_DAC_R_SRC_SHIFT,
0637                 da7213_dac_src_txt);
0638 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
0639     SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
0640
0641 /*
0642  * Mixer Controls
0643  */
0644
0645 /* Mixin Left */
0646 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
0647     SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
0648             DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
0649             DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0650     SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
0651             DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
0652             DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0653     SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
0654             DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
0655             DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0656     SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
0657             DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
0658             DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0659 };
0660
0661 /* Mixin Right */
0662 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
0663     SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
0664             DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
0665             DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0666     SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
0667             DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
0668             DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0669     SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
0670             DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
0671             DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0672     SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
0673             DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
0674             DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0675 };
0676
0677 /* Mixout Left */
0678 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
0679     SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
0680             DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
0681             DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0682     SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
0683             DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
0684             DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0685     SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
0686             DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
0687             DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0688     SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
0689             DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
0690             DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0691     SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
0692             DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
0693             DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0694     SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
0695             DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
0696             DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0697     SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
0698             DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
0699             DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
0700 };
0701
0702 /* Mixout Right */
0703 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
0704     SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
0705             DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
0706             DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0707     SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
0708             DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
0709             DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0710     SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
0711             DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
0712             DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0713     SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
0714             DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
0715             DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0716     SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
0717             DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
0718             DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0719     SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
0720             DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
0721             DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0722     SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
0723             DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
0724             DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
0725 };
0726
0727
0728 /*
0729  * DAPM Events
0730  */
0731
0732 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
0733                 struct snd_kcontrol *kcontrol, int event)
0734 {
0735     struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
0736     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
0737     u8 pll_ctrl, pll_status;
0738     int i = 0;
0739     bool srm_lock = false;
0740
0741     switch (event) {
0742     case SND_SOC_DAPM_PRE_PMU:
0743         /* Enable DAI clks for master mode */
0744         if (da7213->master)
0745             snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
0746                         DA7213_DAI_CLK_EN_MASK,
0747                         DA7213_DAI_CLK_EN_MASK);
0748
0749         /* PC synchronised to DAI */
0750         snd_soc_component_update_bits(component, DA7213_PC_COUNT,
0751                     DA7213_PC_FREERUN_MASK, 0);
0752
0753         /* If SRM not enabled then nothing more to do */
0754         pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
0755         if (!(pll_ctrl & DA7213_PLL_SRM_EN))
0756             return 0;
0757
0758         /* Assist 32KHz mode PLL lock */
0759         if (pll_ctrl & DA7213_PLL_32K_MODE) {
0760             snd_soc_component_write(component, 0xF0, 0x8B);
0761             snd_soc_component_write(component, 0xF2, 0x03);
0762             snd_soc_component_write(component, 0xF0, 0x00);
0763         }
0764
0765         /* Check SRM has locked */
0766         do {
0767             pll_status = snd_soc_component_read(component, DA7213_PLL_STATUS);
0768             if (pll_status & DA7219_PLL_SRM_LOCK) {
0769                 srm_lock = true;
0770             } else {
0771                 ++i;
0772                 msleep(50);
0773             }
0774         } while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));
0775
0776         if (!srm_lock)
0777             dev_warn(component->dev, "SRM failed to lock\n");
0778
0779         return 0;
0780     case SND_SOC_DAPM_POST_PMD:
0781         /* Revert 32KHz PLL lock udpates if applied previously */
0782         pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
0783         if (pll_ctrl & DA7213_PLL_32K_MODE) {
0784             snd_soc_component_write(component, 0xF0, 0x8B);
0785             snd_soc_component_write(component, 0xF2, 0x01);
0786             snd_soc_component_write(component, 0xF0, 0x00);
0787         }
0788
0789         /* PC free-running */
0790         snd_soc_component_update_bits(component, DA7213_PC_COUNT,
0791                     DA7213_PC_FREERUN_MASK,
0792                     DA7213_PC_FREERUN_MASK);
0793
0794         /* Disable DAI clks if in master mode */
0795         if (da7213->master)
0796             snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
0797                         DA7213_DAI_CLK_EN_MASK, 0);
0798         return 0;
0799     default:
0800         return -EINVAL;
0801     }
0802 }
0803
0804
0805 /*
0806  * DAPM widgets
0807  */
0808
0809 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
0810     /*
0811      * Power Supply
0812      */
0813     SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0),
0814
0815     /*
0816      * Input & Output
0817      */
0818
0819     /* Use a supply here as this controls both input & output DAIs */
0820     SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
0821                 DA7213_NO_INVERT, da7213_dai_event,
0822                 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
0823
0824     /*
0825      * Input
0826      */
0827
0828     /* Input Lines */
0829     SND_SOC_DAPM_INPUT("MIC1"),
0830     SND_SOC_DAPM_INPUT("MIC2"),
0831     SND_SOC_DAPM_INPUT("AUXL"),
0832     SND_SOC_DAPM_INPUT("AUXR"),
0833
0834     /* MUXs for Mic PGA source selection */
0835     SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
0836              &da7213_mic_1_amp_in_sel_mux),
0837     SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
0838              &da7213_mic_2_amp_in_sel_mux),
0839
0840     /* Input PGAs */
0841     SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
0842              DA7213_NO_INVERT, NULL, 0),
0843     SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
0844              DA7213_NO_INVERT, NULL, 0),
0845     SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
0846              DA7213_NO_INVERT, NULL, 0),
0847     SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
0848              DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
0849     SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
0850              DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
0851     SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
0852              DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
0853
0854     /* Mic Biases */
0855     SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
0856                 DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
0857                 NULL, 0),
0858     SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
0859                 DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
0860                 NULL, 0),
0861
0862     /* Input Mixers */
0863     SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
0864                &da7213_dapm_mixinl_controls[0],
0865                ARRAY_SIZE(da7213_dapm_mixinl_controls)),
0866     SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
0867                &da7213_dapm_mixinr_controls[0],
0868                ARRAY_SIZE(da7213_dapm_mixinr_controls)),
0869
0870     /* ADCs */
0871     SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
0872              DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
0873     SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
0874              DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
0875
0876     /* DAI */
0877     SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
0878              &da7213_dai_l_src_mux),
0879     SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
0880              &da7213_dai_r_src_mux),
0881     SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
0882     SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
0883
0884     /*
0885      * Output
0886      */
0887
0888     /* DAI */
0889     SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
0890     SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
0891     SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
0892              &da7213_dac_l_src_mux),
0893     SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
0894              &da7213_dac_r_src_mux),
0895
0896     /* DACs */
0897     SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
0898              DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
0899     SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
0900              DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
0901
0902     /* Output Mixers */
0903     SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
0904                &da7213_dapm_mixoutl_controls[0],
0905                ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
0906     SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
0907                &da7213_dapm_mixoutr_controls[0],
0908                ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
0909
0910     /* Output PGAs */
0911     SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
0912              DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
0913     SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
0914              DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
0915     SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
0916              DA7213_NO_INVERT, NULL, 0),
0917     SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
0918              DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
0919     SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
0920              DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
0921
0922     /* Charge Pump */
0923     SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
0924                 DA7213_NO_INVERT, NULL, 0),
0925
0926     /* Output Lines */
0927     SND_SOC_DAPM_OUTPUT("HPL"),
0928     SND_SOC_DAPM_OUTPUT("HPR"),
0929     SND_SOC_DAPM_OUTPUT("LINE"),
0930 };
0931
0932
0933 /*
0934  * DAPM audio route definition
0935  */
0936
0937 static const struct snd_soc_dapm_route da7213_audio_map[] = {
0938     /* Dest       Connecting Widget    source */
0939
0940     /* Input path */
0941     {"Mic Bias 1", NULL, "VDDMIC"},
0942     {"Mic Bias 2", NULL, "VDDMIC"},
0943
0944     {"MIC1", NULL, "Mic Bias 1"},
0945     {"MIC2", NULL, "Mic Bias 2"},
0946
0947     {"Mic 1 Amp Source MUX", "Differential", "MIC1"},
0948     {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
0949     {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
0950
0951     {"Mic 2 Amp Source MUX", "Differential", "MIC2"},
0952     {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
0953     {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
0954
0955     {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
0956     {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
0957
0958     {"Aux Left PGA", NULL, "AUXL"},
0959     {"Aux Right PGA", NULL, "AUXR"},
0960
0961     {"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
0962     {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
0963     {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
0964     {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
0965
0966     {"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
0967     {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
0968     {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
0969     {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
0970
0971     {"Mixin Left PGA", NULL, "Mixin Left"},
0972     {"ADC Left", NULL, "Mixin Left PGA"},
0973
0974     {"Mixin Right PGA", NULL, "Mixin Right"},
0975     {"ADC Right", NULL, "Mixin Right PGA"},
0976
0977     {"DAI Left Source MUX", "ADC Left", "ADC Left"},
0978     {"DAI Left Source MUX", "ADC Right", "ADC Right"},
0979     {"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
0980     {"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
0981
0982     {"DAI Right Source MUX", "ADC Left", "ADC Left"},
0983     {"DAI Right Source MUX", "ADC Right", "ADC Right"},
0984     {"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
0985     {"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
0986
0987     {"DAIOUTL", NULL, "DAI Left Source MUX"},
0988     {"DAIOUTR", NULL, "DAI Right Source MUX"},
0989
0990     {"DAIOUTL", NULL, "DAI"},
0991     {"DAIOUTR", NULL, "DAI"},
0992
0993     /* Output path */
0994     {"DAIINL", NULL, "DAI"},
0995     {"DAIINR", NULL, "DAI"},
0996
0997     {"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
0998     {"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
0999     {"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
1000     {"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
1001
1002     {"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
1003     {"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
1004     {"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
1005     {"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
1006
1007     {"DAC Left", NULL, "DAC Left Source MUX"},
1008     {"DAC Right", NULL, "DAC Right Source MUX"},
1009
1010     {"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1011     {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1012     {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1013     {"Mixout Left", "DAC Left Switch", "DAC Left"},
1014     {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1015     {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1016     {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1017
1018     {"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1019     {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1020     {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1021     {"Mixout Right", "DAC Right Switch", "DAC Right"},
1022     {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1023     {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1024     {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1025
1026     {"Mixout Left PGA", NULL, "Mixout Left"},
1027     {"Mixout Right PGA", NULL, "Mixout Right"},
1028
1029     {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1030     {"Headphone Left PGA", NULL, "Charge Pump"},
1031     {"HPL", NULL, "Headphone Left PGA"},
1032
1033     {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1034     {"Headphone Right PGA", NULL, "Charge Pump"},
1035     {"HPR", NULL, "Headphone Right PGA"},
1036
1037     {"Lineout PGA", NULL, "Mixout Right PGA"},
1038     {"LINE", NULL, "Lineout PGA"},
1039 };
1040
1041 static const struct reg_default da7213_reg_defaults[] = {
1042     { DA7213_DIG_ROUTING_DAI, 0x10 },
1043     { DA7213_SR, 0x0A },
1044     { DA7213_REFERENCES, 0x80 },
1045     { DA7213_PLL_FRAC_TOP, 0x00 },
1046     { DA7213_PLL_FRAC_BOT, 0x00 },
1047     { DA7213_PLL_INTEGER, 0x20 },
1048     { DA7213_PLL_CTRL, 0x0C },
1049     { DA7213_DAI_CLK_MODE, 0x01 },
1050     { DA7213_DAI_CTRL, 0x08 },
1051     { DA7213_DIG_ROUTING_DAC, 0x32 },
1052     { DA7213_AUX_L_GAIN, 0x35 },
1053     { DA7213_AUX_R_GAIN, 0x35 },
1054     { DA7213_MIXIN_L_SELECT, 0x00 },
1055     { DA7213_MIXIN_R_SELECT, 0x00 },
1056     { DA7213_MIXIN_L_GAIN, 0x03 },
1057     { DA7213_MIXIN_R_GAIN, 0x03 },
1058     { DA7213_ADC_L_GAIN, 0x6F },
1059     { DA7213_ADC_R_GAIN, 0x6F },
1060     { DA7213_ADC_FILTERS1, 0x80 },
1061     { DA7213_MIC_1_GAIN, 0x01 },
1062     { DA7213_MIC_2_GAIN, 0x01 },
1063     { DA7213_DAC_FILTERS5, 0x00 },
1064     { DA7213_DAC_FILTERS2, 0x88 },
1065     { DA7213_DAC_FILTERS3, 0x88 },
1066     { DA7213_DAC_FILTERS4, 0x08 },
1067     { DA7213_DAC_FILTERS1, 0x80 },
1068     { DA7213_DAC_L_GAIN, 0x6F },
1069     { DA7213_DAC_R_GAIN, 0x6F },
1070     { DA7213_CP_CTRL, 0x61 },
1071     { DA7213_HP_L_GAIN, 0x39 },
1072     { DA7213_HP_R_GAIN, 0x39 },
1073     { DA7213_LINE_GAIN, 0x30 },
1074     { DA7213_MIXOUT_L_SELECT, 0x00 },
1075     { DA7213_MIXOUT_R_SELECT, 0x00 },
1076     { DA7213_SYSTEM_MODES_INPUT, 0x00 },
1077     { DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1078     { DA7213_AUX_L_CTRL, 0x44 },
1079     { DA7213_AUX_R_CTRL, 0x44 },
1080     { DA7213_MICBIAS_CTRL, 0x11 },
1081     { DA7213_MIC_1_CTRL, 0x40 },
1082     { DA7213_MIC_2_CTRL, 0x40 },
1083     { DA7213_MIXIN_L_CTRL, 0x40 },
1084     { DA7213_MIXIN_R_CTRL, 0x40 },
1085     { DA7213_ADC_L_CTRL, 0x40 },
1086     { DA7213_ADC_R_CTRL, 0x40 },
1087     { DA7213_DAC_L_CTRL, 0x48 },
1088     { DA7213_DAC_R_CTRL, 0x40 },
1089     { DA7213_HP_L_CTRL, 0x41 },
1090     { DA7213_HP_R_CTRL, 0x40 },
1091     { DA7213_LINE_CTRL, 0x40 },
1092     { DA7213_MIXOUT_L_CTRL, 0x10 },
1093     { DA7213_MIXOUT_R_CTRL, 0x10 },
1094     { DA7213_LDO_CTRL, 0x00 },
1095     { DA7213_IO_CTRL, 0x00 },
1096     { DA7213_GAIN_RAMP_CTRL, 0x00},
1097     { DA7213_MIC_CONFIG, 0x00 },
1098     { DA7213_PC_COUNT, 0x00 },
1099     { DA7213_CP_VOL_THRESHOLD1, 0x32 },
1100     { DA7213_CP_DELAY, 0x95 },
1101     { DA7213_CP_DETECTOR, 0x00 },
1102     { DA7213_DAI_OFFSET, 0x00 },
1103     { DA7213_DIG_CTRL, 0x00 },
1104     { DA7213_ALC_CTRL2, 0x00 },
1105     { DA7213_ALC_CTRL3, 0x00 },
1106     { DA7213_ALC_NOISE, 0x3F },
1107     { DA7213_ALC_TARGET_MIN, 0x3F },
1108     { DA7213_ALC_TARGET_MAX, 0x00 },
1109     { DA7213_ALC_GAIN_LIMITS, 0xFF },
1110     { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1111     { DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1112     { DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1113     { DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1114     { DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1115     { DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1116     { DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1117     { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1118     { DA7213_DAC_NG_SETUP_TIME, 0x00 },
1119     { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1120     { DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1121     { DA7213_DAC_NG_CTRL, 0x00 },
1122 };
1123
1124 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1125 {
1126     switch (reg) {
1127     case DA7213_STATUS1:
1128     case DA7213_PLL_STATUS:
1129     case DA7213_AUX_L_GAIN_STATUS:
1130     case DA7213_AUX_R_GAIN_STATUS:
1131     case DA7213_MIC_1_GAIN_STATUS:
1132     case DA7213_MIC_2_GAIN_STATUS:
1133     case DA7213_MIXIN_L_GAIN_STATUS:
1134     case DA7213_MIXIN_R_GAIN_STATUS:
1135     case DA7213_ADC_L_GAIN_STATUS:
1136     case DA7213_ADC_R_GAIN_STATUS:
1137     case DA7213_DAC_L_GAIN_STATUS:
1138     case DA7213_DAC_R_GAIN_STATUS:
1139     case DA7213_HP_L_GAIN_STATUS:
1140     case DA7213_HP_R_GAIN_STATUS:
1141     case DA7213_LINE_GAIN_STATUS:
1142     case DA7213_ALC_CTRL1:
1143     case DA7213_ALC_OFFSET_AUTO_M_L:
1144     case DA7213_ALC_OFFSET_AUTO_U_L:
1145     case DA7213_ALC_OFFSET_AUTO_M_R:
1146     case DA7213_ALC_OFFSET_AUTO_U_R:
1147     case DA7213_ALC_CIC_OP_LVL_DATA:
1148         return true;
1149     default:
1150         return false;
1151     }
1152 }
1153
1154 static int da7213_hw_params(struct snd_pcm_substream *substream,
1155                 struct snd_pcm_hw_params *params,
1156                 struct snd_soc_dai *dai)
1157 {
1158     struct snd_soc_component *component = dai->component;
1159     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1160     u8 dai_ctrl = 0;
1161     u8 fs;
1162
1163     /* Set DAI format */
1164     switch (params_width(params)) {
1165     case 16:
1166         dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1167         break;
1168     case 20:
1169         dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1170         break;
1171     case 24:
1172         dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1173         break;
1174     case 32:
1175         dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1176         break;
1177     default:
1178         return -EINVAL;
1179     }
1180
1181     /* Set sampling rate */
1182     switch (params_rate(params)) {
1183     case 8000:
1184         fs = DA7213_SR_8000;
1185         da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1186         break;
1187     case 11025:
1188         fs = DA7213_SR_11025;
1189         da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1190         break;
1191     case 12000:
1192         fs = DA7213_SR_12000;
1193         da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1194         break;
1195     case 16000:
1196         fs = DA7213_SR_16000;
1197         da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1198         break;
1199     case 22050:
1200         fs = DA7213_SR_22050;
1201         da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1202         break;
1203     case 32000:
1204         fs = DA7213_SR_32000;
1205         da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1206         break;
1207     case 44100:
1208         fs = DA7213_SR_44100;
1209         da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1210         break;
1211     case 48000:
1212         fs = DA7213_SR_48000;
1213         da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1214         break;
1215     case 88200:
1216         fs = DA7213_SR_88200;
1217         da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1218         break;
1219     case 96000:
1220         fs = DA7213_SR_96000;
1221         da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1222         break;
1223     default:
1224         return -EINVAL;
1225     }
1226
1227     snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
1228                 dai_ctrl);
1229     snd_soc_component_write(component, DA7213_SR, fs);
1230
1231     return 0;
1232 }
1233
1234 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1235 {
1236     struct snd_soc_component *component = codec_dai->component;
1237     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1238     u8 dai_clk_mode = 0, dai_ctrl = 0;
1239     u8 dai_offset = 0;
1240
1241     /* Set master/slave mode */
1242     switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1243     case SND_SOC_DAIFMT_CBM_CFM:
1244         da7213->master = true;
1245         break;
1246     case SND_SOC_DAIFMT_CBS_CFS:
1247         da7213->master = false;
1248         break;
1249     default:
1250         return -EINVAL;
1251     }
1252
1253     /* Set clock normal/inverted */
1254     switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1255     case SND_SOC_DAIFMT_I2S:
1256     case SND_SOC_DAIFMT_LEFT_J:
1257     case SND_SOC_DAIFMT_RIGHT_J:
1258         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1259         case SND_SOC_DAIFMT_NB_NF:
1260             break;
1261         case SND_SOC_DAIFMT_NB_IF:
1262             dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1263             break;
1264         case SND_SOC_DAIFMT_IB_NF:
1265             dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1266             break;
1267         case SND_SOC_DAIFMT_IB_IF:
1268             dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1269                     DA7213_DAI_CLK_POL_INV;
1270             break;
1271         default:
1272             return -EINVAL;
1273         }
1274         break;
1275     case SND_SOC_DAI_FORMAT_DSP_A:
1276     case SND_SOC_DAI_FORMAT_DSP_B:
1277         /* The bclk is inverted wrt ASoC conventions */
1278         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1279         case SND_SOC_DAIFMT_NB_NF:
1280             dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1281             break;
1282         case SND_SOC_DAIFMT_NB_IF:
1283             dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1284                     DA7213_DAI_CLK_POL_INV;
1285             break;
1286         case SND_SOC_DAIFMT_IB_NF:
1287             break;
1288         case SND_SOC_DAIFMT_IB_IF:
1289             dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1290             break;
1291         default:
1292             return -EINVAL;
1293         }
1294         break;
1295     default:
1296         return -EINVAL;
1297     }
1298
1299     /* Only I2S is supported */
1300     switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1301     case SND_SOC_DAIFMT_I2S:
1302         dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1303         break;
1304     case SND_SOC_DAIFMT_LEFT_J:
1305         dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1306         break;
1307     case SND_SOC_DAIFMT_RIGHT_J:
1308         dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1309         break;
1310     case SND_SOC_DAI_FORMAT_DSP_A: /* L data MSB after FRM LRC */
1311         dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1312         dai_offset = 1;
1313         break;
1314     case SND_SOC_DAI_FORMAT_DSP_B: /* L data MSB during FRM LRC */
1315         dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1316         break;
1317     default:
1318         return -EINVAL;
1319     }
1320
1321     /* By default only 64 BCLK per WCLK is supported */
1322     dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1323
1324     snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1325                 DA7213_DAI_BCLKS_PER_WCLK_MASK |
1326                 DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
1327                 dai_clk_mode);
1328     snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1329                 dai_ctrl);
1330     snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);
1331
1332     return 0;
1333 }
1334
1335 static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction)
1336 {
1337     struct snd_soc_component *component = dai->component;
1338
1339     if (mute) {
1340         snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1341                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1342         snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1343                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1344     } else {
1345         snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1346                     DA7213_MUTE_EN, 0);
1347         snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1348                     DA7213_MUTE_EN, 0);
1349     }
1350
1351     return 0;
1352 }
1353
1354 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1355             SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1356
1357 static int da7213_set_component_sysclk(struct snd_soc_component *component,
1358                        int clk_id, int source,
1359                        unsigned int freq, int dir)
1360 {
1361     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1362     int ret = 0;
1363
1364     if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1365         return 0;
1366
1367     if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1368         dev_err(component->dev, "Unsupported MCLK value %d\n",
1369             freq);
1370         return -EINVAL;
1371     }
1372
1373     switch (clk_id) {
1374     case DA7213_CLKSRC_MCLK:
1375         snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1376                     DA7213_PLL_MCLK_SQR_EN, 0);
1377         break;
1378     case DA7213_CLKSRC_MCLK_SQR:
1379         snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1380                     DA7213_PLL_MCLK_SQR_EN,
1381                     DA7213_PLL_MCLK_SQR_EN);
1382         break;
1383     default:
1384         dev_err(component->dev, "Unknown clock source %d\n", clk_id);
1385         return -EINVAL;
1386     }
1387
1388     da7213->clk_src = clk_id;
1389
1390     if (da7213->mclk) {
1391         freq = clk_round_rate(da7213->mclk, freq);
1392         ret = clk_set_rate(da7213->mclk, freq);
1393         if (ret) {
1394             dev_err(component->dev, "Failed to set clock rate %d\n",
1395                 freq);
1396             return ret;
1397         }
1398     }
1399
1400     da7213->mclk_rate = freq;
1401
1402     return 0;
1403 }
1404
1405 /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
1406 static int _da7213_set_component_pll(struct snd_soc_component *component,
1407                      int pll_id, int source,
1408                      unsigned int fref, unsigned int fout)
1409 {
1410     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1411
1412     u8 pll_ctrl, indiv_bits, indiv;
1413     u8 pll_frac_top, pll_frac_bot, pll_integer;
1414     u32 freq_ref;
1415     u64 frac_div;
1416
1417     /* Workout input divider based on MCLK rate */
1418     if (da7213->mclk_rate == 32768) {
1419         if (!da7213->master) {
1420             dev_err(component->dev,
1421                 "32KHz only valid if codec is clock master\n");
1422             return -EINVAL;
1423         }
1424
1425         /* 32KHz PLL Mode */
1426         indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1427         indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1428         source = DA7213_SYSCLK_PLL_32KHZ;
1429         freq_ref = 3750000;
1430
1431     } else {
1432         if (da7213->mclk_rate < 5000000) {
1433             dev_err(component->dev,
1434                 "PLL input clock %d below valid range\n",
1435                 da7213->mclk_rate);
1436             return -EINVAL;
1437         } else if (da7213->mclk_rate <= 9000000) {
1438             indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1439             indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1440         } else if (da7213->mclk_rate <= 18000000) {
1441             indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1442             indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1443         } else if (da7213->mclk_rate <= 36000000) {
1444             indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1445             indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1446         } else if (da7213->mclk_rate <= 54000000) {
1447             indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1448             indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1449         } else {
1450             dev_err(component->dev,
1451                 "PLL input clock %d above valid range\n",
1452                 da7213->mclk_rate);
1453             return -EINVAL;
1454         }
1455         freq_ref = (da7213->mclk_rate / indiv);
1456     }
1457
1458     pll_ctrl = indiv_bits;
1459
1460     /* Configure PLL */
1461     switch (source) {
1462     case DA7213_SYSCLK_MCLK:
1463         snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1464                     DA7213_PLL_INDIV_MASK |
1465                     DA7213_PLL_MODE_MASK, pll_ctrl);
1466         return 0;
1467     case DA7213_SYSCLK_PLL:
1468         break;
1469     case DA7213_SYSCLK_PLL_SRM:
1470         pll_ctrl |= DA7213_PLL_SRM_EN;
1471         fout = DA7213_PLL_FREQ_OUT_94310400;
1472         break;
1473     case DA7213_SYSCLK_PLL_32KHZ:
1474         if (da7213->mclk_rate != 32768) {
1475             dev_err(component->dev,
1476                 "32KHz mode only valid with 32KHz MCLK\n");
1477             return -EINVAL;
1478         }
1479
1480         pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1481         fout = DA7213_PLL_FREQ_OUT_94310400;
1482         break;
1483     default:
1484         dev_err(component->dev, "Invalid PLL config\n");
1485         return -EINVAL;
1486     }
1487
1488     /* Calculate dividers for PLL */
1489     pll_integer = fout / freq_ref;
1490     frac_div = (u64)(fout % freq_ref) * 8192ULL;
1491     do_div(frac_div, freq_ref);
1492     pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1493     pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1494
1495     /* Write PLL dividers */
1496     snd_soc_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top);
1497     snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1498     snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer);
1499
1500     /* Enable PLL */
1501     pll_ctrl |= DA7213_PLL_EN;
1502     snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1503                 DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1504                 pll_ctrl);
1505
1506     /* Assist 32KHz mode PLL lock */
1507     if (source == DA7213_SYSCLK_PLL_32KHZ) {
1508         snd_soc_component_write(component, 0xF0, 0x8B);
1509         snd_soc_component_write(component, 0xF1, 0x03);
1510         snd_soc_component_write(component, 0xF1, 0x01);
1511         snd_soc_component_write(component, 0xF0, 0x00);
1512     }
1513
1514     return 0;
1515 }
1516
1517 static int da7213_set_component_pll(struct snd_soc_component *component,
1518                     int pll_id, int source,
1519                     unsigned int fref, unsigned int fout)
1520 {
1521     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1522     da7213->fixed_clk_auto_pll = false;
1523
1524     return _da7213_set_component_pll(component, pll_id, source, fref, fout);
1525 }
1526
1527 /* DAI operations */
1528 static const struct snd_soc_dai_ops da7213_dai_ops = {
1529     .hw_params  = da7213_hw_params,
1530     .set_fmt    = da7213_set_dai_fmt,
1531     .mute_stream    = da7213_mute,
1532     .no_capture_mute = 1,
1533 };
1534
1535 static struct snd_soc_dai_driver da7213_dai = {
1536     .name = "da7213-hifi",
1537     /* Playback Capabilities */
1538     .playback = {
1539         .stream_name = "Playback",
1540         .channels_min = 1,
1541         .channels_max = 2,
1542         .rates = SNDRV_PCM_RATE_8000_96000,
1543         .formats = DA7213_FORMATS,
1544     },
1545     /* Capture Capabilities */
1546     .capture = {
1547         .stream_name = "Capture",
1548         .channels_min = 1,
1549         .channels_max = 2,
1550         .rates = SNDRV_PCM_RATE_8000_96000,
1551         .formats = DA7213_FORMATS,
1552     },
1553     .ops = &da7213_dai_ops,
1554     .symmetric_rate = 1,
1555 };
1556
1557 static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable)
1558 {
1559     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1560     int mode;
1561
1562     if (!da7213->fixed_clk_auto_pll)
1563         return 0;
1564
1565     da7213->mclk_rate = clk_get_rate(da7213->mclk);
1566
1567     if (enable) {
1568         /* Slave mode needs SRM for non-harmonic frequencies */
1569         if (da7213->master)
1570             mode = DA7213_SYSCLK_PLL;
1571         else
1572             mode = DA7213_SYSCLK_PLL_SRM;
1573
1574         /* PLL is not required for harmonic frequencies */
1575         switch (da7213->out_rate) {
1576         case DA7213_PLL_FREQ_OUT_90316800:
1577             if (da7213->mclk_rate == 11289600 ||
1578                 da7213->mclk_rate == 22579200 ||
1579                 da7213->mclk_rate == 45158400)
1580                 mode = DA7213_SYSCLK_MCLK;
1581             break;
1582         case DA7213_PLL_FREQ_OUT_98304000:
1583             if (da7213->mclk_rate == 12288000 ||
1584                 da7213->mclk_rate == 24576000 ||
1585                 da7213->mclk_rate == 49152000)
1586                 mode = DA7213_SYSCLK_MCLK;
1587
1588             break;
1589         default:
1590             return -1;
1591         }
1592     } else {
1593         /* Disable PLL in standby */
1594         mode = DA7213_SYSCLK_MCLK;
1595     }
1596
1597     return _da7213_set_component_pll(component, 0, mode,
1598                      da7213->mclk_rate, da7213->out_rate);
1599 }
1600
1601 static int da7213_set_bias_level(struct snd_soc_component *component,
1602                  enum snd_soc_bias_level level)
1603 {
1604     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1605     int ret;
1606
1607     switch (level) {
1608     case SND_SOC_BIAS_ON:
1609         break;
1610     case SND_SOC_BIAS_PREPARE:
1611         /* Enable MCLK for transition to ON state */
1612         if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1613             if (da7213->mclk) {
1614                 ret = clk_prepare_enable(da7213->mclk);
1615                 if (ret) {
1616                     dev_err(component->dev,
1617                         "Failed to enable mclk\n");
1618                     return ret;
1619                 }
1620
1621                 da7213_set_auto_pll(component, true);
1622             }
1623         }
1624         break;
1625     case SND_SOC_BIAS_STANDBY:
1626         if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1627             /* Enable VMID reference & master bias */
1628             snd_soc_component_update_bits(component, DA7213_REFERENCES,
1629                         DA7213_VMID_EN | DA7213_BIAS_EN,
1630                         DA7213_VMID_EN | DA7213_BIAS_EN);
1631         } else {
1632             /* Remove MCLK */
1633             if (da7213->mclk) {
1634                 da7213_set_auto_pll(component, false);
1635                 clk_disable_unprepare(da7213->mclk);
1636             }
1637         }
1638         break;
1639     case SND_SOC_BIAS_OFF:
1640         /* Disable VMID reference & master bias */
1641         snd_soc_component_update_bits(component, DA7213_REFERENCES,
1642                     DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1643         break;
1644     }
1645     return 0;
1646 }
1647
1648 #if defined(CONFIG_OF)
1649 /* DT */
1650 static const struct of_device_id da7213_of_match[] = {
1651     { .compatible = "dlg,da7212", },
1652     { .compatible = "dlg,da7213", },
1653     { }
1654 };
1655 MODULE_DEVICE_TABLE(of, da7213_of_match);
1656 #endif
1657
1658 #ifdef CONFIG_ACPI
1659 static const struct acpi_device_id da7213_acpi_match[] = {
1660     { "DLGS7212", 0},
1661     { "DLGS7213", 0},
1662     { },
1663 };
1664 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1665 #endif
1666
1667 static enum da7213_micbias_voltage
1668     da7213_of_micbias_lvl(struct snd_soc_component *component, u32 val)
1669 {
1670     switch (val) {
1671     case 1600:
1672         return DA7213_MICBIAS_1_6V;
1673     case 2200:
1674         return DA7213_MICBIAS_2_2V;
1675     case 2500:
1676         return DA7213_MICBIAS_2_5V;
1677     case 3000:
1678         return DA7213_MICBIAS_3_0V;
1679     default:
1680         dev_warn(component->dev, "Invalid micbias level\n");
1681         return DA7213_MICBIAS_2_2V;
1682     }
1683 }
1684
1685 static enum da7213_dmic_data_sel
1686     da7213_of_dmic_data_sel(struct snd_soc_component *component, const char *str)
1687 {
1688     if (!strcmp(str, "lrise_rfall")) {
1689         return DA7213_DMIC_DATA_LRISE_RFALL;
1690     } else if (!strcmp(str, "lfall_rrise")) {
1691         return DA7213_DMIC_DATA_LFALL_RRISE;
1692     } else {
1693         dev_warn(component->dev, "Invalid DMIC data select type\n");
1694         return DA7213_DMIC_DATA_LRISE_RFALL;
1695     }
1696 }
1697
1698 static enum da7213_dmic_samplephase
1699     da7213_of_dmic_samplephase(struct snd_soc_component *component, const char *str)
1700 {
1701     if (!strcmp(str, "on_clkedge")) {
1702         return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1703     } else if (!strcmp(str, "between_clkedge")) {
1704         return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1705     } else {
1706         dev_warn(component->dev, "Invalid DMIC sample phase\n");
1707         return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1708     }
1709 }
1710
1711 static enum da7213_dmic_clk_rate
1712     da7213_of_dmic_clkrate(struct snd_soc_component *component, u32 val)
1713 {
1714     switch (val) {
1715     case 1500000:
1716         return DA7213_DMIC_CLK_1_5MHZ;
1717     case 3000000:
1718         return DA7213_DMIC_CLK_3_0MHZ;
1719     default:
1720         dev_warn(component->dev, "Invalid DMIC clock rate\n");
1721         return DA7213_DMIC_CLK_1_5MHZ;
1722     }
1723 }
1724
1725 static struct da7213_platform_data
1726     *da7213_fw_to_pdata(struct snd_soc_component *component)
1727 {
1728     struct device *dev = component->dev;
1729     struct da7213_platform_data *pdata;
1730     const char *fw_str;
1731     u32 fw_val32;
1732
1733     pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
1734     if (!pdata)
1735         return NULL;
1736
1737     if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
1738         pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32);
1739     else
1740         pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1741
1742     if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
1743         pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32);
1744     else
1745         pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1746
1747     if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
1748         pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str);
1749     else
1750         pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1751
1752     if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
1753         pdata->dmic_samplephase =
1754             da7213_of_dmic_samplephase(component, fw_str);
1755     else
1756         pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1757
1758     if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
1759         pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32);
1760     else
1761         pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1762
1763     return pdata;
1764 }
1765
1766 static int da7213_probe(struct snd_soc_component *component)
1767 {
1768     struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1769
1770     pm_runtime_get_sync(component->dev);
1771
1772     /* Default to using ALC auto offset calibration mode. */
1773     snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
1774                 DA7213_ALC_CALIB_MODE_MAN, 0);
1775     da7213->alc_calib_auto = true;
1776
1777     /* Default PC counter to free-running */
1778     snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1779                 DA7213_PC_FREERUN_MASK);
1780
1781     /* Enable all Gain Ramps */
1782     snd_soc_component_update_bits(component, DA7213_AUX_L_CTRL,
1783                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1784     snd_soc_component_update_bits(component, DA7213_AUX_R_CTRL,
1785                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1786     snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1787                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1788     snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1789                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1790     snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL,
1791                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1792     snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL,
1793                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1794     snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1795                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1796     snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1797                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1798     snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1799                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1800     snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
1801                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1802     snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
1803                 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1804
1805     /*
1806      * There are two separate control bits for input and output mixers as
1807      * well as headphone and line outs.
1808      * One to enable corresponding amplifier and other to enable its
1809      * output. As amplifier bits are related to power control, they are
1810      * being managed by DAPM while other (non power related) bits are
1811      * enabled here
1812      */
1813     snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1814                 DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1815     snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1816                 DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1817
1818     snd_soc_component_update_bits(component, DA7213_MIXOUT_L_CTRL,
1819                 DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1820     snd_soc_component_update_bits(component, DA7213_MIXOUT_R_CTRL,
1821                 DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1822
1823     snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1824                 DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1825     snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
1826                 DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1827
1828     snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
1829                 DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1830
1831     /* Handle DT/Platform data */
1832     da7213->pdata = dev_get_platdata(component->dev);
1833     if (!da7213->pdata)
1834         da7213->pdata = da7213_fw_to_pdata(component);
1835
1836     /* Set platform data values */
1837     if (da7213->pdata) {
1838         struct da7213_platform_data *pdata = da7213->pdata;
1839         u8 micbias_lvl = 0, dmic_cfg = 0;
1840
1841         /* Set Mic Bias voltages */
1842         switch (pdata->micbias1_lvl) {
1843         case DA7213_MICBIAS_1_6V:
1844         case DA7213_MICBIAS_2_2V:
1845         case DA7213_MICBIAS_2_5V:
1846         case DA7213_MICBIAS_3_0V:
1847             micbias_lvl |= (pdata->micbias1_lvl <<
1848                     DA7213_MICBIAS1_LEVEL_SHIFT);
1849             break;
1850         }
1851         switch (pdata->micbias2_lvl) {
1852         case DA7213_MICBIAS_1_6V:
1853         case DA7213_MICBIAS_2_2V:
1854         case DA7213_MICBIAS_2_5V:
1855         case DA7213_MICBIAS_3_0V:
1856             micbias_lvl |= (pdata->micbias2_lvl <<
1857                      DA7213_MICBIAS2_LEVEL_SHIFT);
1858             break;
1859         }
1860         snd_soc_component_update_bits(component, DA7213_MICBIAS_CTRL,
1861                     DA7213_MICBIAS1_LEVEL_MASK |
1862                     DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1863
1864         /* Set DMIC configuration */
1865         switch (pdata->dmic_data_sel) {
1866         case DA7213_DMIC_DATA_LFALL_RRISE:
1867         case DA7213_DMIC_DATA_LRISE_RFALL:
1868             dmic_cfg |= (pdata->dmic_data_sel <<
1869                      DA7213_DMIC_DATA_SEL_SHIFT);
1870             break;
1871         }
1872         switch (pdata->dmic_samplephase) {
1873         case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1874         case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1875             dmic_cfg |= (pdata->dmic_samplephase <<
1876                      DA7213_DMIC_SAMPLEPHASE_SHIFT);
1877             break;
1878         }
1879         switch (pdata->dmic_clk_rate) {
1880         case DA7213_DMIC_CLK_3_0MHZ:
1881         case DA7213_DMIC_CLK_1_5MHZ:
1882             dmic_cfg |= (pdata->dmic_clk_rate <<
1883                      DA7213_DMIC_CLK_RATE_SHIFT);
1884             break;
1885         }
1886         snd_soc_component_update_bits(component, DA7213_MIC_CONFIG,
1887                     DA7213_DMIC_DATA_SEL_MASK |
1888                     DA7213_DMIC_SAMPLEPHASE_MASK |
1889                     DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1890     }
1891
1892     pm_runtime_put_sync(component->dev);
1893
1894     /* Check if MCLK provided */
1895     da7213->mclk = devm_clk_get(component->dev, "mclk");
1896     if (IS_ERR(da7213->mclk)) {
1897         if (PTR_ERR(da7213->mclk) != -ENOENT)
1898             return PTR_ERR(da7213->mclk);
1899         else
1900             da7213->mclk = NULL;
1901     } else {
1902         /* Do automatic PLL handling assuming fixed clock until
1903          * set_pll() has been called. This makes the codec usable
1904          * with the simple-audio-card driver. */
1905         da7213->fixed_clk_auto_pll = true;
1906     }
1907
1908     return 0;
1909 }
1910
1911 static const struct snd_soc_component_driver soc_component_dev_da7213 = {
1912     .probe          = da7213_probe,
1913     .set_bias_level     = da7213_set_bias_level,
1914     .controls       = da7213_snd_controls,
1915     .num_controls       = ARRAY_SIZE(da7213_snd_controls),
1916     .dapm_widgets       = da7213_dapm_widgets,
1917     .num_dapm_widgets   = ARRAY_SIZE(da7213_dapm_widgets),
1918     .dapm_routes        = da7213_audio_map,
1919     .num_dapm_routes    = ARRAY_SIZE(da7213_audio_map),
1920     .set_sysclk     = da7213_set_component_sysclk,
1921     .set_pll        = da7213_set_component_pll,
1922     .idle_bias_on       = 1,
1923     .use_pmdown_time    = 1,
1924     .endianness     = 1,
1925 };
1926
1927 static const struct regmap_config da7213_regmap_config = {
1928     .reg_bits = 8,
1929     .val_bits = 8,
1930
1931     .reg_defaults = da7213_reg_defaults,
1932     .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1933     .volatile_reg = da7213_volatile_register,
1934     .cache_type = REGCACHE_RBTREE,
1935 };
1936
1937 static void da7213_power_off(void *data)
1938 {
1939     struct da7213_priv *da7213 = data;
1940     regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
1941 }
1942
1943 static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = {
1944     [DA7213_SUPPLY_VDDA] = "VDDA",
1945     [DA7213_SUPPLY_VDDIO] = "VDDIO",
1946 };
1947
1948 static int da7213_i2c_probe(struct i2c_client *i2c)
1949 {
1950     struct da7213_priv *da7213;
1951     int i, ret;
1952
1953     da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
1954     if (!da7213)
1955         return -ENOMEM;
1956
1957     i2c_set_clientdata(i2c, da7213);
1958
1959     /* Get required supplies */
1960     for (i = 0; i < DA7213_NUM_SUPPLIES; ++i)
1961         da7213->supplies[i].supply = da7213_supply_names[i];
1962
1963     ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES,
1964                       da7213->supplies);
1965     if (ret) {
1966         dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret);
1967         return ret;
1968     }
1969
1970     ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
1971     if (ret < 0)
1972         return ret;
1973
1974     ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213);
1975     if (ret < 0)
1976         return ret;
1977
1978     da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
1979     if (IS_ERR(da7213->regmap)) {
1980         ret = PTR_ERR(da7213->regmap);
1981         dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1982         return ret;
1983     }
1984
1985     pm_runtime_set_autosuspend_delay(&i2c->dev, 100);
1986     pm_runtime_use_autosuspend(&i2c->dev);
1987     pm_runtime_set_active(&i2c->dev);
1988     pm_runtime_enable(&i2c->dev);
1989
1990     ret = devm_snd_soc_register_component(&i2c->dev,
1991             &soc_component_dev_da7213, &da7213_dai, 1);
1992     if (ret < 0) {
1993         dev_err(&i2c->dev, "Failed to register da7213 component: %d\n",
1994             ret);
1995     }
1996     return ret;
1997 }
1998
1999 static int __maybe_unused da7213_runtime_suspend(struct device *dev)
2000 {
2001     struct da7213_priv *da7213 = dev_get_drvdata(dev);
2002
2003     regcache_cache_only(da7213->regmap, true);
2004     regcache_mark_dirty(da7213->regmap);
2005     regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
2006
2007     return 0;
2008 }
2009
2010 static int __maybe_unused da7213_runtime_resume(struct device *dev)
2011 {
2012     struct da7213_priv *da7213 = dev_get_drvdata(dev);
2013     int ret;
2014
2015     ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
2016     if (ret < 0)
2017         return ret;
2018     regcache_cache_only(da7213->regmap, false);
2019     regcache_sync(da7213->regmap);
2020     return 0;
2021 }
2022
2023 static const struct dev_pm_ops da7213_pm = {
2024     SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL)
2025 };
2026
2027 static const struct i2c_device_id da7213_i2c_id[] = {
2028     { "da7213", 0 },
2029     { }
2030 };
2031 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
2032
2033 /* I2C codec control layer */
2034 static struct i2c_driver da7213_i2c_driver = {
2035     .driver = {
2036         .name = "da7213",
2037         .of_match_table = of_match_ptr(da7213_of_match),
2038         .acpi_match_table = ACPI_PTR(da7213_acpi_match),
2039         .pm = &da7213_pm,
2040     },
2041     .probe_new  = da7213_i2c_probe,
2042     .id_table   = da7213_i2c_id,
2043 };
2044
2045 module_i2c_driver(da7213_i2c_driver);
2046
2047 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
2048 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2049 MODULE_LICENSE("GPL");