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- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * es8328.c -- ES8328 ALSA SoC Audio driver
- *
- * Copyright 2014 Sutajio Ko-Usagi PTE LTD
- *
- * Author: Sean Cross <[email protected]>
- */
- #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_RBTREE,
- .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 <[email protected]>");
- MODULE_LICENSE("GPL");
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