| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * es8328.c -- ES8328 ALSA SoC Audio driver |
| * |
| * Copyright 2014 Sutajio Ko-Usagi PTE LTD |
| * |
| * Author: Sean Cross <xobs@kosagi.com> |
| */ |
| |
| #include <linux/clk.h> |
| #include <linux/delay.h> |
| #include <linux/of_device.h> |
| #include <linux/module.h> |
| #include <linux/pm.h> |
| #include <linux/regmap.h> |
| #include <linux/slab.h> |
| #include <linux/regulator/consumer.h> |
| #include <sound/core.h> |
| #include <sound/initval.h> |
| #include <sound/pcm.h> |
| #include <sound/pcm_params.h> |
| #include <sound/soc.h> |
| #include <sound/tlv.h> |
| #include "es8328.h" |
| |
| static const unsigned int rates_12288[] = { |
| 8000, 12000, 16000, 24000, 32000, 48000, 96000, |
| }; |
| |
| static const int ratios_12288[] = { |
| 10, 7, 6, 4, 3, 2, 0, |
| }; |
| |
| static const struct snd_pcm_hw_constraint_list constraints_12288 = { |
| .count = ARRAY_SIZE(rates_12288), |
| .list = rates_12288, |
| }; |
| |
| static const unsigned int rates_11289[] = { |
| 8018, 11025, 22050, 44100, 88200, |
| }; |
| |
| static const int ratios_11289[] = { |
| 9, 7, 4, 2, 0, |
| }; |
| |
| static const struct snd_pcm_hw_constraint_list constraints_11289 = { |
| .count = ARRAY_SIZE(rates_11289), |
| .list = rates_11289, |
| }; |
| |
| /* regulator supplies for sgtl5000, VDDD is an optional external supply */ |
| enum sgtl5000_regulator_supplies { |
| DVDD, |
| AVDD, |
| PVDD, |
| HPVDD, |
| ES8328_SUPPLY_NUM |
| }; |
| |
| /* vddd is optional supply */ |
| static const char * const supply_names[ES8328_SUPPLY_NUM] = { |
| "DVDD", |
| "AVDD", |
| "PVDD", |
| "HPVDD", |
| }; |
| |
| #define ES8328_RATES (SNDRV_PCM_RATE_192000 | \ |
| SNDRV_PCM_RATE_96000 | \ |
| SNDRV_PCM_RATE_88200 | \ |
| SNDRV_PCM_RATE_8000_48000) |
| #define ES8328_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ |
| SNDRV_PCM_FMTBIT_S18_3LE | \ |
| SNDRV_PCM_FMTBIT_S20_3LE | \ |
| SNDRV_PCM_FMTBIT_S24_LE | \ |
| SNDRV_PCM_FMTBIT_S32_LE) |
| |
| struct es8328_priv { |
| struct regmap *regmap; |
| struct clk *clk; |
| int playback_fs; |
| bool deemph; |
| int mclkdiv2; |
| const struct snd_pcm_hw_constraint_list *sysclk_constraints; |
| const int *mclk_ratios; |
| bool provider; |
| struct regulator_bulk_data supplies[ES8328_SUPPLY_NUM]; |
| }; |
| |
| /* |
| * ES8328 Controls |
| */ |
| |
| static const char * const adcpol_txt[] = {"Normal", "L Invert", "R Invert", |
| "L + R Invert"}; |
| static SOC_ENUM_SINGLE_DECL(adcpol, |
| ES8328_ADCCONTROL6, 6, adcpol_txt); |
| |
| static const DECLARE_TLV_DB_SCALE(play_tlv, -3000, 100, 0); |
| static const DECLARE_TLV_DB_SCALE(dac_adc_tlv, -9600, 50, 0); |
| static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0); |
| static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 300, 0); |
| |
| static const struct { |
| int rate; |
| unsigned int val; |
| } deemph_settings[] = { |
| { 0, ES8328_DACCONTROL6_DEEMPH_OFF }, |
| { 32000, ES8328_DACCONTROL6_DEEMPH_32k }, |
| { 44100, ES8328_DACCONTROL6_DEEMPH_44_1k }, |
| { 48000, ES8328_DACCONTROL6_DEEMPH_48k }, |
| }; |
| |
| static int es8328_set_deemph(struct snd_soc_component *component) |
| { |
| struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component); |
| int val, i, best; |
| |
| /* |
| * If we're using deemphasis select the nearest available sample |
| * rate. |
| */ |
| if (es8328->deemph) { |
| best = 0; |
| for (i = 1; i < ARRAY_SIZE(deemph_settings); i++) { |
| if (abs(deemph_settings[i].rate - es8328->playback_fs) < |
| abs(deemph_settings[best].rate - es8328->playback_fs)) |
| best = i; |
| } |
| |
| val = deemph_settings[best].val; |
| } else { |
| val = ES8328_DACCONTROL6_DEEMPH_OFF; |
| } |
| |
| dev_dbg(component->dev, "Set deemphasis %d\n", val); |
| |
| return snd_soc_component_update_bits(component, ES8328_DACCONTROL6, |
| ES8328_DACCONTROL6_DEEMPH_MASK, val); |
| } |
| |
| static int es8328_get_deemph(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
| struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component); |
| |
| ucontrol->value.integer.value[0] = es8328->deemph; |
| return 0; |
| } |
| |
| static int es8328_put_deemph(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
| struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component); |
| unsigned int deemph = ucontrol->value.integer.value[0]; |
| int ret; |
| |
| if (deemph > 1) |
| return -EINVAL; |
| |
| if (es8328->deemph == deemph) |
| return 0; |
| |
| ret = es8328_set_deemph(component); |
| if (ret < 0) |
| return ret; |
| |
| es8328->deemph = deemph; |
| |
| return 1; |
| } |
| |
| |
| |
| static const struct snd_kcontrol_new es8328_snd_controls[] = { |
| SOC_DOUBLE_R_TLV("Capture Digital Volume", |
| ES8328_ADCCONTROL8, ES8328_ADCCONTROL9, |
| 0, 0xc0, 1, dac_adc_tlv), |
| SOC_SINGLE("Capture ZC Switch", ES8328_ADCCONTROL7, 6, 1, 0), |
| |
| SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, |
| es8328_get_deemph, es8328_put_deemph), |
| |
| SOC_ENUM("Capture Polarity", adcpol), |
| |
| SOC_SINGLE_TLV("Left Mixer Left Bypass Volume", |
| ES8328_DACCONTROL17, 3, 7, 1, bypass_tlv), |
| SOC_SINGLE_TLV("Left Mixer Right Bypass Volume", |
| ES8328_DACCONTROL19, 3, 7, 1, bypass_tlv), |
| SOC_SINGLE_TLV("Right Mixer Left Bypass Volume", |
| ES8328_DACCONTROL18, 3, 7, 1, bypass_tlv), |
| SOC_SINGLE_TLV("Right Mixer Right Bypass Volume", |
| ES8328_DACCONTROL20, 3, 7, 1, bypass_tlv), |
| |
| SOC_DOUBLE_R_TLV("PCM Volume", |
| ES8328_LDACVOL, ES8328_RDACVOL, |
| 0, ES8328_DACVOL_MAX, 1, dac_adc_tlv), |
| |
| SOC_DOUBLE_R_TLV("Output 1 Playback Volume", |
| ES8328_LOUT1VOL, ES8328_ROUT1VOL, |
| 0, ES8328_OUT1VOL_MAX, 0, play_tlv), |
| |
| SOC_DOUBLE_R_TLV("Output 2 Playback Volume", |
| ES8328_LOUT2VOL, ES8328_ROUT2VOL, |
| 0, ES8328_OUT2VOL_MAX, 0, play_tlv), |
| |
| SOC_DOUBLE_TLV("Mic PGA Volume", ES8328_ADCCONTROL1, |
| 4, 0, 8, 0, mic_tlv), |
| }; |
| |
| /* |
| * DAPM Controls |
| */ |
| |
| static const char * const es8328_line_texts[] = { |
| "Line 1", "Line 2", "PGA", "Differential"}; |
| |
| static const struct soc_enum es8328_lline_enum = |
| SOC_ENUM_SINGLE(ES8328_DACCONTROL16, 3, |
| ARRAY_SIZE(es8328_line_texts), |
| es8328_line_texts); |
| static const struct snd_kcontrol_new es8328_left_line_controls = |
| SOC_DAPM_ENUM("Route", es8328_lline_enum); |
| |
| static const struct soc_enum es8328_rline_enum = |
| SOC_ENUM_SINGLE(ES8328_DACCONTROL16, 0, |
| ARRAY_SIZE(es8328_line_texts), |
| es8328_line_texts); |
| static const struct snd_kcontrol_new es8328_right_line_controls = |
| SOC_DAPM_ENUM("Route", es8328_rline_enum); |
| |
| /* Left Mixer */ |
| static const struct snd_kcontrol_new es8328_left_mixer_controls[] = { |
| SOC_DAPM_SINGLE("Playback Switch", ES8328_DACCONTROL17, 7, 1, 0), |
| SOC_DAPM_SINGLE("Left Bypass Switch", ES8328_DACCONTROL17, 6, 1, 0), |
| SOC_DAPM_SINGLE("Right Playback Switch", ES8328_DACCONTROL18, 7, 1, 0), |
| SOC_DAPM_SINGLE("Right Bypass Switch", ES8328_DACCONTROL18, 6, 1, 0), |
| }; |
| |
| /* Right Mixer */ |
| static const struct snd_kcontrol_new es8328_right_mixer_controls[] = { |
| SOC_DAPM_SINGLE("Left Playback Switch", ES8328_DACCONTROL19, 7, 1, 0), |
| SOC_DAPM_SINGLE("Left Bypass Switch", ES8328_DACCONTROL19, 6, 1, 0), |
| SOC_DAPM_SINGLE("Playback Switch", ES8328_DACCONTROL20, 7, 1, 0), |
| SOC_DAPM_SINGLE("Right Bypass Switch", ES8328_DACCONTROL20, 6, 1, 0), |
| }; |
| |
| static const char * const es8328_pga_sel[] = { |
| "Line 1", "Line 2", "Line 3", "Differential"}; |
| |
| /* Left PGA Mux */ |
| static const struct soc_enum es8328_lpga_enum = |
| SOC_ENUM_SINGLE(ES8328_ADCCONTROL2, 6, |
| ARRAY_SIZE(es8328_pga_sel), |
| es8328_pga_sel); |
| static const struct snd_kcontrol_new es8328_left_pga_controls = |
| SOC_DAPM_ENUM("Route", es8328_lpga_enum); |
| |
| /* Right PGA Mux */ |
| static const struct soc_enum es8328_rpga_enum = |
| SOC_ENUM_SINGLE(ES8328_ADCCONTROL2, 4, |
| ARRAY_SIZE(es8328_pga_sel), |
| es8328_pga_sel); |
| static const struct snd_kcontrol_new es8328_right_pga_controls = |
| SOC_DAPM_ENUM("Route", es8328_rpga_enum); |
| |
| /* Differential Mux */ |
| static const char * const es8328_diff_sel[] = {"Line 1", "Line 2"}; |
| static SOC_ENUM_SINGLE_DECL(diffmux, |
| ES8328_ADCCONTROL3, 7, es8328_diff_sel); |
| static const struct snd_kcontrol_new es8328_diffmux_controls = |
| SOC_DAPM_ENUM("Route", diffmux); |
| |
| /* Mono ADC Mux */ |
| static const char * const es8328_mono_mux[] = {"Stereo", "Mono (Left)", |
| "Mono (Right)", "Digital Mono"}; |
| static SOC_ENUM_SINGLE_DECL(monomux, |
| ES8328_ADCCONTROL3, 3, es8328_mono_mux); |
| static const struct snd_kcontrol_new es8328_monomux_controls = |
| SOC_DAPM_ENUM("Route", monomux); |
| |
| static const struct snd_soc_dapm_widget es8328_dapm_widgets[] = { |
| SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0, |
| &es8328_diffmux_controls), |
| SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0, |
| &es8328_monomux_controls), |
| SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0, |
| &es8328_monomux_controls), |
| |
| SND_SOC_DAPM_MUX("Left PGA Mux", ES8328_ADCPOWER, |
| ES8328_ADCPOWER_AINL_OFF, 1, |
| &es8328_left_pga_controls), |
| SND_SOC_DAPM_MUX("Right PGA Mux", ES8328_ADCPOWER, |
| ES8328_ADCPOWER_AINR_OFF, 1, |
| &es8328_right_pga_controls), |
| |
| SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0, |
| &es8328_left_line_controls), |
| SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0, |
| &es8328_right_line_controls), |
| |
| SND_SOC_DAPM_ADC("Right ADC", "Right Capture", ES8328_ADCPOWER, |
| ES8328_ADCPOWER_ADCR_OFF, 1), |
| SND_SOC_DAPM_ADC("Left ADC", "Left Capture", ES8328_ADCPOWER, |
| ES8328_ADCPOWER_ADCL_OFF, 1), |
| |
| SND_SOC_DAPM_SUPPLY("Mic Bias", ES8328_ADCPOWER, |
| ES8328_ADCPOWER_MIC_BIAS_OFF, 1, NULL, 0), |
| SND_SOC_DAPM_SUPPLY("Mic Bias Gen", ES8328_ADCPOWER, |
| ES8328_ADCPOWER_ADC_BIAS_GEN_OFF, 1, NULL, 0), |
| |
| SND_SOC_DAPM_SUPPLY("DAC STM", ES8328_CHIPPOWER, |
| ES8328_CHIPPOWER_DACSTM_RESET, 1, NULL, 0), |
| SND_SOC_DAPM_SUPPLY("ADC STM", ES8328_CHIPPOWER, |
| ES8328_CHIPPOWER_ADCSTM_RESET, 1, NULL, 0), |
| |
| SND_SOC_DAPM_SUPPLY("DAC DIG", ES8328_CHIPPOWER, |
| ES8328_CHIPPOWER_DACDIG_OFF, 1, NULL, 0), |
| SND_SOC_DAPM_SUPPLY("ADC DIG", ES8328_CHIPPOWER, |
| ES8328_CHIPPOWER_ADCDIG_OFF, 1, NULL, 0), |
| |
| SND_SOC_DAPM_SUPPLY("DAC DLL", ES8328_CHIPPOWER, |
| ES8328_CHIPPOWER_DACDLL_OFF, 1, NULL, 0), |
| SND_SOC_DAPM_SUPPLY("ADC DLL", ES8328_CHIPPOWER, |
| ES8328_CHIPPOWER_ADCDLL_OFF, 1, NULL, 0), |
| |
| SND_SOC_DAPM_SUPPLY("ADC Vref", ES8328_CHIPPOWER, |
| ES8328_CHIPPOWER_ADCVREF_OFF, 1, NULL, 0), |
| SND_SOC_DAPM_SUPPLY("DAC Vref", ES8328_CHIPPOWER, |
| ES8328_CHIPPOWER_DACVREF_OFF, 1, NULL, 0), |
| |
| SND_SOC_DAPM_DAC("Right DAC", "Right Playback", ES8328_DACPOWER, |
| ES8328_DACPOWER_RDAC_OFF, 1), |
| SND_SOC_DAPM_DAC("Left DAC", "Left Playback", ES8328_DACPOWER, |
| ES8328_DACPOWER_LDAC_OFF, 1), |
| |
| SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, |
| &es8328_left_mixer_controls[0], |
| ARRAY_SIZE(es8328_left_mixer_controls)), |
| SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0, |
| &es8328_right_mixer_controls[0], |
| ARRAY_SIZE(es8328_right_mixer_controls)), |
| |
| SND_SOC_DAPM_PGA("Right Out 2", ES8328_DACPOWER, |
| ES8328_DACPOWER_ROUT2_ON, 0, NULL, 0), |
| SND_SOC_DAPM_PGA("Left Out 2", ES8328_DACPOWER, |
| ES8328_DACPOWER_LOUT2_ON, 0, NULL, 0), |
| SND_SOC_DAPM_PGA("Right Out 1", ES8328_DACPOWER, |
| ES8328_DACPOWER_ROUT1_ON, 0, NULL, 0), |
| SND_SOC_DAPM_PGA("Left Out 1", ES8328_DACPOWER, |
| ES8328_DACPOWER_LOUT1_ON, 0, NULL, 0), |
| |
| SND_SOC_DAPM_OUTPUT("LOUT1"), |
| SND_SOC_DAPM_OUTPUT("ROUT1"), |
| SND_SOC_DAPM_OUTPUT("LOUT2"), |
| SND_SOC_DAPM_OUTPUT("ROUT2"), |
| |
| SND_SOC_DAPM_INPUT("LINPUT1"), |
| SND_SOC_DAPM_INPUT("LINPUT2"), |
| SND_SOC_DAPM_INPUT("RINPUT1"), |
| SND_SOC_DAPM_INPUT("RINPUT2"), |
| }; |
| |
| static const struct snd_soc_dapm_route es8328_dapm_routes[] = { |
| |
| { "Left Line Mux", "Line 1", "LINPUT1" }, |
| { "Left Line Mux", "Line 2", "LINPUT2" }, |
| { "Left Line Mux", "PGA", "Left PGA Mux" }, |
| { "Left Line Mux", "Differential", "Differential Mux" }, |
| |
| { "Right Line Mux", "Line 1", "RINPUT1" }, |
| { "Right Line Mux", "Line 2", "RINPUT2" }, |
| { "Right Line Mux", "PGA", "Right PGA Mux" }, |
| { "Right Line Mux", "Differential", "Differential Mux" }, |
| |
| { "Left PGA Mux", "Line 1", "LINPUT1" }, |
| { "Left PGA Mux", "Line 2", "LINPUT2" }, |
| { "Left PGA Mux", "Differential", "Differential Mux" }, |
| |
| { "Right PGA Mux", "Line 1", "RINPUT1" }, |
| { "Right PGA Mux", "Line 2", "RINPUT2" }, |
| { "Right PGA Mux", "Differential", "Differential Mux" }, |
| |
| { "Differential Mux", "Line 1", "LINPUT1" }, |
| { "Differential Mux", "Line 1", "RINPUT1" }, |
| { "Differential Mux", "Line 2", "LINPUT2" }, |
| { "Differential Mux", "Line 2", "RINPUT2" }, |
| |
| { "Left ADC Mux", "Stereo", "Left PGA Mux" }, |
| { "Left ADC Mux", "Mono (Left)", "Left PGA Mux" }, |
| { "Left ADC Mux", "Digital Mono", "Left PGA Mux" }, |
| |
| { "Right ADC Mux", "Stereo", "Right PGA Mux" }, |
| { "Right ADC Mux", "Mono (Right)", "Right PGA Mux" }, |
| { "Right ADC Mux", "Digital Mono", "Right PGA Mux" }, |
| |
| { "Left ADC", NULL, "Left ADC Mux" }, |
| { "Right ADC", NULL, "Right ADC Mux" }, |
| |
| { "ADC DIG", NULL, "ADC STM" }, |
| { "ADC DIG", NULL, "ADC Vref" }, |
| { "ADC DIG", NULL, "ADC DLL" }, |
| |
| { "Left ADC", NULL, "ADC DIG" }, |
| { "Right ADC", NULL, "ADC DIG" }, |
| |
| { "Mic Bias", NULL, "Mic Bias Gen" }, |
| |
| { "Left Line Mux", "Line 1", "LINPUT1" }, |
| { "Left Line Mux", "Line 2", "LINPUT2" }, |
| { "Left Line Mux", "PGA", "Left PGA Mux" }, |
| { "Left Line Mux", "Differential", "Differential Mux" }, |
| |
| { "Right Line Mux", "Line 1", "RINPUT1" }, |
| { "Right Line Mux", "Line 2", "RINPUT2" }, |
| { "Right Line Mux", "PGA", "Right PGA Mux" }, |
| { "Right Line Mux", "Differential", "Differential Mux" }, |
| |
| { "Left Out 1", NULL, "Left DAC" }, |
| { "Right Out 1", NULL, "Right DAC" }, |
| { "Left Out 2", NULL, "Left DAC" }, |
| { "Right Out 2", NULL, "Right DAC" }, |
| |
| { "Left Mixer", "Playback Switch", "Left DAC" }, |
| { "Left Mixer", "Left Bypass Switch", "Left Line Mux" }, |
| { "Left Mixer", "Right Playback Switch", "Right DAC" }, |
| { "Left Mixer", "Right Bypass Switch", "Right Line Mux" }, |
| |
| { "Right Mixer", "Left Playback Switch", "Left DAC" }, |
| { "Right Mixer", "Left Bypass Switch", "Left Line Mux" }, |
| { "Right Mixer", "Playback Switch", "Right DAC" }, |
| { "Right Mixer", "Right Bypass Switch", "Right Line Mux" }, |
| |
| { "DAC DIG", NULL, "DAC STM" }, |
| { "DAC DIG", NULL, "DAC Vref" }, |
| { "DAC DIG", NULL, "DAC DLL" }, |
| |
| { "Left DAC", NULL, "DAC DIG" }, |
| { "Right DAC", NULL, "DAC DIG" }, |
| |
| { "Left Out 1", NULL, "Left Mixer" }, |
| { "LOUT1", NULL, "Left Out 1" }, |
| { "Right Out 1", NULL, "Right Mixer" }, |
| { "ROUT1", NULL, "Right Out 1" }, |
| |
| { "Left Out 2", NULL, "Left Mixer" }, |
| { "LOUT2", NULL, "Left Out 2" }, |
| { "Right Out 2", NULL, "Right Mixer" }, |
| { "ROUT2", NULL, "Right Out 2" }, |
| }; |
| |
| static int es8328_mute(struct snd_soc_dai *dai, int mute, int direction) |
| { |
| return snd_soc_component_update_bits(dai->component, ES8328_DACCONTROL3, |
| ES8328_DACCONTROL3_DACMUTE, |
| mute ? ES8328_DACCONTROL3_DACMUTE : 0); |
| } |
| |
| static int es8328_startup(struct snd_pcm_substream *substream, |
| struct snd_soc_dai *dai) |
| { |
| struct snd_soc_component *component = dai->component; |
| struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component); |
| |
| if (es8328->provider && es8328->sysclk_constraints) |
| snd_pcm_hw_constraint_list(substream->runtime, 0, |
| SNDRV_PCM_HW_PARAM_RATE, |
| es8328->sysclk_constraints); |
| |
| return 0; |
| } |
| |
| static int es8328_hw_params(struct snd_pcm_substream *substream, |
| struct snd_pcm_hw_params *params, |
| struct snd_soc_dai *dai) |
| { |
| struct snd_soc_component *component = dai->component; |
| struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component); |
| int i; |
| int reg; |
| int wl; |
| int ratio; |
| |
| if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| reg = ES8328_DACCONTROL2; |
| else |
| reg = ES8328_ADCCONTROL5; |
| |
| if (es8328->provider) { |
| if (!es8328->sysclk_constraints) { |
| dev_err(component->dev, "No MCLK configured\n"); |
| return -EINVAL; |
| } |
| |
| for (i = 0; i < es8328->sysclk_constraints->count; i++) |
| if (es8328->sysclk_constraints->list[i] == |
| params_rate(params)) |
| break; |
| |
| if (i == es8328->sysclk_constraints->count) { |
| dev_err(component->dev, |
| "LRCLK %d unsupported with current clock\n", |
| params_rate(params)); |
| return -EINVAL; |
| } |
| ratio = es8328->mclk_ratios[i]; |
| } else { |
| ratio = 0; |
| es8328->mclkdiv2 = 0; |
| } |
| |
| snd_soc_component_update_bits(component, ES8328_MASTERMODE, |
| ES8328_MASTERMODE_MCLKDIV2, |
| es8328->mclkdiv2 ? ES8328_MASTERMODE_MCLKDIV2 : 0); |
| |
| switch (params_width(params)) { |
| case 16: |
| wl = 3; |
| break; |
| case 18: |
| wl = 2; |
| break; |
| case 20: |
| wl = 1; |
| break; |
| case 24: |
| wl = 0; |
| break; |
| case 32: |
| wl = 4; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| snd_soc_component_update_bits(component, ES8328_DACCONTROL1, |
| ES8328_DACCONTROL1_DACWL_MASK, |
| wl << ES8328_DACCONTROL1_DACWL_SHIFT); |
| |
| es8328->playback_fs = params_rate(params); |
| es8328_set_deemph(component); |
| } else |
| snd_soc_component_update_bits(component, ES8328_ADCCONTROL4, |
| ES8328_ADCCONTROL4_ADCWL_MASK, |
| wl << ES8328_ADCCONTROL4_ADCWL_SHIFT); |
| |
| return snd_soc_component_update_bits(component, reg, ES8328_RATEMASK, ratio); |
| } |
| |
| static int es8328_set_sysclk(struct snd_soc_dai *codec_dai, |
| int clk_id, unsigned int freq, int dir) |
| { |
| struct snd_soc_component *component = codec_dai->component; |
| struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component); |
| int mclkdiv2 = 0; |
| |
| switch (freq) { |
| case 0: |
| es8328->sysclk_constraints = NULL; |
| es8328->mclk_ratios = NULL; |
| break; |
| case 22579200: |
| mclkdiv2 = 1; |
| fallthrough; |
| case 11289600: |
| es8328->sysclk_constraints = &constraints_11289; |
| es8328->mclk_ratios = ratios_11289; |
| break; |
| case 24576000: |
| mclkdiv2 = 1; |
| fallthrough; |
| case 12288000: |
| es8328->sysclk_constraints = &constraints_12288; |
| es8328->mclk_ratios = ratios_12288; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| es8328->mclkdiv2 = mclkdiv2; |
| return 0; |
| } |
| |
| static int es8328_set_dai_fmt(struct snd_soc_dai *codec_dai, |
| unsigned int fmt) |
| { |
| struct snd_soc_component *component = codec_dai->component; |
| struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component); |
| u8 dac_mode = 0; |
| u8 adc_mode = 0; |
| |
| switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { |
| case SND_SOC_DAIFMT_CBP_CFP: |
| /* Master serial port mode, with BCLK generated automatically */ |
| snd_soc_component_update_bits(component, ES8328_MASTERMODE, |
| ES8328_MASTERMODE_MSC, |
| ES8328_MASTERMODE_MSC); |
| es8328->provider = true; |
| break; |
| case SND_SOC_DAIFMT_CBC_CFC: |
| /* Slave serial port mode */ |
| snd_soc_component_update_bits(component, ES8328_MASTERMODE, |
| ES8328_MASTERMODE_MSC, 0); |
| es8328->provider = false; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| /* interface format */ |
| switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| case SND_SOC_DAIFMT_I2S: |
| dac_mode |= ES8328_DACCONTROL1_DACFORMAT_I2S; |
| adc_mode |= ES8328_ADCCONTROL4_ADCFORMAT_I2S; |
| break; |
| case SND_SOC_DAIFMT_RIGHT_J: |
| dac_mode |= ES8328_DACCONTROL1_DACFORMAT_RJUST; |
| adc_mode |= ES8328_ADCCONTROL4_ADCFORMAT_RJUST; |
| break; |
| case SND_SOC_DAIFMT_LEFT_J: |
| dac_mode |= ES8328_DACCONTROL1_DACFORMAT_LJUST; |
| adc_mode |= ES8328_ADCCONTROL4_ADCFORMAT_LJUST; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| /* clock inversion */ |
| if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) |
| return -EINVAL; |
| |
| snd_soc_component_update_bits(component, ES8328_DACCONTROL1, |
| ES8328_DACCONTROL1_DACFORMAT_MASK, dac_mode); |
| snd_soc_component_update_bits(component, ES8328_ADCCONTROL4, |
| ES8328_ADCCONTROL4_ADCFORMAT_MASK, adc_mode); |
| |
| return 0; |
| } |
| |
| static int es8328_set_bias_level(struct snd_soc_component *component, |
| enum snd_soc_bias_level level) |
| { |
| switch (level) { |
| case SND_SOC_BIAS_ON: |
| break; |
| |
| case SND_SOC_BIAS_PREPARE: |
| /* VREF, VMID=2x50k, digital enabled */ |
| snd_soc_component_write(component, ES8328_CHIPPOWER, 0); |
| snd_soc_component_update_bits(component, ES8328_CONTROL1, |
| ES8328_CONTROL1_VMIDSEL_MASK | |
| ES8328_CONTROL1_ENREF, |
| ES8328_CONTROL1_VMIDSEL_50k | |
| ES8328_CONTROL1_ENREF); |
| break; |
| |
| case SND_SOC_BIAS_STANDBY: |
| if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { |
| snd_soc_component_update_bits(component, ES8328_CONTROL1, |
| ES8328_CONTROL1_VMIDSEL_MASK | |
| ES8328_CONTROL1_ENREF, |
| ES8328_CONTROL1_VMIDSEL_5k | |
| ES8328_CONTROL1_ENREF); |
| |
| /* Charge caps */ |
| msleep(100); |
| } |
| |
| snd_soc_component_write(component, ES8328_CONTROL2, |
| ES8328_CONTROL2_OVERCURRENT_ON | |
| ES8328_CONTROL2_THERMAL_SHUTDOWN_ON); |
| |
| /* VREF, VMID=2*500k, digital stopped */ |
| snd_soc_component_update_bits(component, ES8328_CONTROL1, |
| ES8328_CONTROL1_VMIDSEL_MASK | |
| ES8328_CONTROL1_ENREF, |
| ES8328_CONTROL1_VMIDSEL_500k | |
| ES8328_CONTROL1_ENREF); |
| break; |
| |
| case SND_SOC_BIAS_OFF: |
| snd_soc_component_update_bits(component, ES8328_CONTROL1, |
| ES8328_CONTROL1_VMIDSEL_MASK | |
| ES8328_CONTROL1_ENREF, |
| 0); |
| break; |
| } |
| return 0; |
| } |
| |
| static const struct snd_soc_dai_ops es8328_dai_ops = { |
| .startup = es8328_startup, |
| .hw_params = es8328_hw_params, |
| .mute_stream = es8328_mute, |
| .set_sysclk = es8328_set_sysclk, |
| .set_fmt = es8328_set_dai_fmt, |
| .no_capture_mute = 1, |
| }; |
| |
| static struct snd_soc_dai_driver es8328_dai = { |
| .name = "es8328-hifi-analog", |
| .playback = { |
| .stream_name = "Playback", |
| .channels_min = 2, |
| .channels_max = 2, |
| .rates = ES8328_RATES, |
| .formats = ES8328_FORMATS, |
| }, |
| .capture = { |
| .stream_name = "Capture", |
| .channels_min = 2, |
| .channels_max = 2, |
| .rates = ES8328_RATES, |
| .formats = ES8328_FORMATS, |
| }, |
| .ops = &es8328_dai_ops, |
| .symmetric_rate = 1, |
| }; |
| |
| static int es8328_suspend(struct snd_soc_component *component) |
| { |
| struct es8328_priv *es8328; |
| int ret; |
| |
| es8328 = snd_soc_component_get_drvdata(component); |
| |
| clk_disable_unprepare(es8328->clk); |
| |
| ret = regulator_bulk_disable(ARRAY_SIZE(es8328->supplies), |
| es8328->supplies); |
| if (ret) { |
| dev_err(component->dev, "unable to disable regulators\n"); |
| return ret; |
| } |
| return 0; |
| } |
| |
| static int es8328_resume(struct snd_soc_component *component) |
| { |
| struct regmap *regmap = dev_get_regmap(component->dev, NULL); |
| struct es8328_priv *es8328; |
| int ret; |
| |
| es8328 = snd_soc_component_get_drvdata(component); |
| |
| ret = clk_prepare_enable(es8328->clk); |
| if (ret) { |
| dev_err(component->dev, "unable to enable clock\n"); |
| return ret; |
| } |
| |
| ret = regulator_bulk_enable(ARRAY_SIZE(es8328->supplies), |
| es8328->supplies); |
| if (ret) { |
| dev_err(component->dev, "unable to enable regulators\n"); |
| return ret; |
| } |
| |
| regcache_mark_dirty(regmap); |
| ret = regcache_sync(regmap); |
| if (ret) { |
| dev_err(component->dev, "unable to sync regcache\n"); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int es8328_component_probe(struct snd_soc_component *component) |
| { |
| struct es8328_priv *es8328; |
| int ret; |
| |
| es8328 = snd_soc_component_get_drvdata(component); |
| |
| ret = regulator_bulk_enable(ARRAY_SIZE(es8328->supplies), |
| es8328->supplies); |
| if (ret) { |
| dev_err(component->dev, "unable to enable regulators\n"); |
| return ret; |
| } |
| |
| /* Setup clocks */ |
| es8328->clk = devm_clk_get(component->dev, NULL); |
| if (IS_ERR(es8328->clk)) { |
| dev_err(component->dev, "codec clock missing or invalid\n"); |
| ret = PTR_ERR(es8328->clk); |
| goto clk_fail; |
| } |
| |
| ret = clk_prepare_enable(es8328->clk); |
| if (ret) { |
| dev_err(component->dev, "unable to prepare codec clk\n"); |
| goto clk_fail; |
| } |
| |
| return 0; |
| |
| clk_fail: |
| regulator_bulk_disable(ARRAY_SIZE(es8328->supplies), |
| es8328->supplies); |
| return ret; |
| } |
| |
| static void es8328_remove(struct snd_soc_component *component) |
| { |
| struct es8328_priv *es8328; |
| |
| es8328 = snd_soc_component_get_drvdata(component); |
| |
| clk_disable_unprepare(es8328->clk); |
| |
| regulator_bulk_disable(ARRAY_SIZE(es8328->supplies), |
| es8328->supplies); |
| } |
| |
| const struct regmap_config es8328_regmap_config = { |
| .reg_bits = 8, |
| .val_bits = 8, |
| .max_register = ES8328_REG_MAX, |
| .cache_type = REGCACHE_MAPLE, |
| .use_single_read = true, |
| .use_single_write = true, |
| }; |
| EXPORT_SYMBOL_GPL(es8328_regmap_config); |
| |
| static const struct snd_soc_component_driver es8328_component_driver = { |
| .probe = es8328_component_probe, |
| .remove = es8328_remove, |
| .suspend = es8328_suspend, |
| .resume = es8328_resume, |
| .set_bias_level = es8328_set_bias_level, |
| .controls = es8328_snd_controls, |
| .num_controls = ARRAY_SIZE(es8328_snd_controls), |
| .dapm_widgets = es8328_dapm_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(es8328_dapm_widgets), |
| .dapm_routes = es8328_dapm_routes, |
| .num_dapm_routes = ARRAY_SIZE(es8328_dapm_routes), |
| .suspend_bias_off = 1, |
| .idle_bias_on = 1, |
| .use_pmdown_time = 1, |
| .endianness = 1, |
| }; |
| |
| int es8328_probe(struct device *dev, struct regmap *regmap) |
| { |
| struct es8328_priv *es8328; |
| int ret; |
| int i; |
| |
| if (IS_ERR(regmap)) |
| return PTR_ERR(regmap); |
| |
| es8328 = devm_kzalloc(dev, sizeof(*es8328), GFP_KERNEL); |
| if (es8328 == NULL) |
| return -ENOMEM; |
| |
| es8328->regmap = regmap; |
| |
| for (i = 0; i < ARRAY_SIZE(es8328->supplies); i++) |
| es8328->supplies[i].supply = supply_names[i]; |
| |
| ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(es8328->supplies), |
| es8328->supplies); |
| if (ret) { |
| dev_err(dev, "unable to get regulators\n"); |
| return ret; |
| } |
| |
| dev_set_drvdata(dev, es8328); |
| |
| return devm_snd_soc_register_component(dev, |
| &es8328_component_driver, &es8328_dai, 1); |
| } |
| EXPORT_SYMBOL_GPL(es8328_probe); |
| |
| MODULE_DESCRIPTION("ASoC ES8328 driver"); |
| MODULE_AUTHOR("Sean Cross <xobs@kosagi.com>"); |
| MODULE_LICENSE("GPL"); |
