// SPDX-License-Identifier: GPL-2.0-only /* * ADAU1977/ADAU1978/ADAU1979 driver * * Copyright 2014 Analog Devices Inc. * Author: Lars-Peter Clausen <[email protected]> */ #include <linux/delay.h> #include <linux/device.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/module.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.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 <dt-bindings/sound/adi,adau1977.h> #include "adau1977.h" #define ADAU1977_REG_POWER … #define ADAU1977_REG_PLL … #define ADAU1977_REG_BOOST … #define ADAU1977_REG_MICBIAS … #define ADAU1977_REG_BLOCK_POWER_SAI … #define ADAU1977_REG_SAI_CTRL0 … #define ADAU1977_REG_SAI_CTRL1 … #define ADAU1977_REG_CMAP12 … #define ADAU1977_REG_CMAP34 … #define ADAU1977_REG_SAI_OVERTEMP … #define ADAU1977_REG_POST_ADC_GAIN(x) … #define ADAU1977_REG_MISC_CONTROL … #define ADAU1977_REG_DIAG_CONTROL … #define ADAU1977_REG_STATUS(x) … #define ADAU1977_REG_DIAG_IRQ1 … #define ADAU1977_REG_DIAG_IRQ2 … #define ADAU1977_REG_ADJUST1 … #define ADAU1977_REG_ADJUST2 … #define ADAU1977_REG_ADC_CLIP … #define ADAU1977_REG_DC_HPF_CAL … #define ADAU1977_POWER_RESET … #define ADAU1977_POWER_PWUP … #define ADAU1977_PLL_CLK_S … #define ADAU1977_PLL_MCS_MASK … #define ADAU1977_MICBIAS_MB_VOLTS_MASK … #define ADAU1977_MICBIAS_MB_VOLTS_OFFSET … #define ADAU1977_BLOCK_POWER_SAI_LR_POL … #define ADAU1977_BLOCK_POWER_SAI_BCLK_EDGE … #define ADAU1977_BLOCK_POWER_SAI_LDO_EN … #define ADAU1977_SAI_CTRL0_FMT_MASK … #define ADAU1977_SAI_CTRL0_FMT_I2S … #define ADAU1977_SAI_CTRL0_FMT_LJ … #define ADAU1977_SAI_CTRL0_FMT_RJ_24BIT … #define ADAU1977_SAI_CTRL0_FMT_RJ_16BIT … #define ADAU1977_SAI_CTRL0_SAI_MASK … #define ADAU1977_SAI_CTRL0_SAI_I2S … #define ADAU1977_SAI_CTRL0_SAI_TDM_2 … #define ADAU1977_SAI_CTRL0_SAI_TDM_4 … #define ADAU1977_SAI_CTRL0_SAI_TDM_8 … #define ADAU1977_SAI_CTRL0_SAI_TDM_16 … #define ADAU1977_SAI_CTRL0_FS_MASK … #define ADAU1977_SAI_CTRL0_FS_8000_12000 … #define ADAU1977_SAI_CTRL0_FS_16000_24000 … #define ADAU1977_SAI_CTRL0_FS_32000_48000 … #define ADAU1977_SAI_CTRL0_FS_64000_96000 … #define ADAU1977_SAI_CTRL0_FS_128000_192000 … #define ADAU1977_SAI_CTRL1_SLOT_WIDTH_MASK … #define ADAU1977_SAI_CTRL1_SLOT_WIDTH_32 … #define ADAU1977_SAI_CTRL1_SLOT_WIDTH_24 … #define ADAU1977_SAI_CTRL1_SLOT_WIDTH_16 … #define ADAU1977_SAI_CTRL1_DATA_WIDTH_MASK … #define ADAU1977_SAI_CTRL1_DATA_WIDTH_16BIT … #define ADAU1977_SAI_CTRL1_DATA_WIDTH_24BIT … #define ADAU1977_SAI_CTRL1_LRCLK_PULSE … #define ADAU1977_SAI_CTRL1_MSB … #define ADAU1977_SAI_CTRL1_BCLKRATE_16 … #define ADAU1977_SAI_CTRL1_BCLKRATE_32 … #define ADAU1977_SAI_CTRL1_BCLKRATE_MASK … #define ADAU1977_SAI_CTRL1_MASTER … #define ADAU1977_SAI_OVERTEMP_DRV_C(x) … #define ADAU1977_SAI_OVERTEMP_DRV_HIZ … #define ADAU1977_MISC_CONTROL_SUM_MODE_MASK … #define ADAU1977_MISC_CONTROL_SUM_MODE_1CH … #define ADAU1977_MISC_CONTROL_SUM_MODE_2CH … #define ADAU1977_MISC_CONTROL_SUM_MODE_4CH … #define ADAU1977_MISC_CONTROL_MMUTE … #define ADAU1977_MISC_CONTROL_DC_CAL … #define ADAU1977_CHAN_MAP_SECOND_SLOT_OFFSET … #define ADAU1977_CHAN_MAP_FIRST_SLOT_OFFSET … struct adau1977 { … }; static const struct reg_default adau1977_reg_defaults[] = …; static const DECLARE_TLV_DB_MINMAX_MUTE(adau1977_adc_gain, -3562, 6000); static const struct snd_soc_dapm_widget adau1977_micbias_dapm_widgets[] = …; static const struct snd_soc_dapm_widget adau1977_dapm_widgets[] = …; static const struct snd_soc_dapm_route adau1977_dapm_routes[] = …; #define ADAU1977_VOLUME(x) … #define ADAU1977_HPF_SWITCH(x) … #define ADAU1977_DC_SUB_SWITCH(x) … static const struct snd_kcontrol_new adau1977_snd_controls[] = …; static int adau1977_reset(struct adau1977 *adau1977) { … } /* * Returns the appropriate setting for ths FS field in the CTRL0 register * depending on the rate. */ static int adau1977_lookup_fs(unsigned int rate) { … } static int adau1977_lookup_mcs(struct adau1977 *adau1977, unsigned int rate, unsigned int fs) { … } static int adau1977_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int adau1977_power_disable(struct adau1977 *adau1977) { … } static int adau1977_power_enable(struct adau1977 *adau1977) { … } static int adau1977_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int adau1977_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int width) { … } static int adau1977_mute(struct snd_soc_dai *dai, int mute, int stream) { … } static int adau1977_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int adau1977_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int adau1977_set_tristate(struct snd_soc_dai *dai, int tristate) { … } static const struct snd_soc_dai_ops adau1977_dai_ops = …; static struct snd_soc_dai_driver adau1977_dai = …; static const unsigned int adau1977_rates[] = …; #define ADAU1977_RATE_CONSTRAINT_MASK_32000 … #define ADAU1977_RATE_CONSTRAINT_MASK_44100 … #define ADAU1977_RATE_CONSTRAINT_MASK_48000 … /* All rates >= 32000 */ #define ADAU1977_RATE_CONSTRAINT_MASK_LRCLK … static bool adau1977_check_sysclk(unsigned int mclk, unsigned int base_freq) { … } static int adau1977_set_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { … } static int adau1977_component_probe(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver adau1977_component_driver = …; static int adau1977_setup_micbias(struct adau1977 *adau1977) { … } int adau1977_probe(struct device *dev, struct regmap *regmap, enum adau1977_type type, void (*switch_mode)(struct device *dev)) { … } EXPORT_SYMBOL_GPL(…); static bool adau1977_register_volatile(struct device *dev, unsigned int reg) { … } const struct regmap_config adau1977_regmap_config = …; EXPORT_SYMBOL_GPL(…); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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