// SPDX-License-Identifier: GPL-2.0-only /* * SSM4567 amplifier audio driver * * Copyright 2014 Google Chromium project. * Author: Anatol Pomozov <[email protected]> * * Based on code copyright/by: * Copyright 2013 Analog Devices Inc. */ #include <linux/acpi.h> #include <linux/module.h> #include <linux/init.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/tlv.h> #define SSM4567_REG_POWER_CTRL … #define SSM4567_REG_AMP_SNS_CTRL … #define SSM4567_REG_DAC_CTRL … #define SSM4567_REG_DAC_VOLUME … #define SSM4567_REG_SAI_CTRL_1 … #define SSM4567_REG_SAI_CTRL_2 … #define SSM4567_REG_SAI_PLACEMENT_1 … #define SSM4567_REG_SAI_PLACEMENT_2 … #define SSM4567_REG_SAI_PLACEMENT_3 … #define SSM4567_REG_SAI_PLACEMENT_4 … #define SSM4567_REG_SAI_PLACEMENT_5 … #define SSM4567_REG_SAI_PLACEMENT_6 … #define SSM4567_REG_BATTERY_V_OUT … #define SSM4567_REG_LIMITER_CTRL_1 … #define SSM4567_REG_LIMITER_CTRL_2 … #define SSM4567_REG_LIMITER_CTRL_3 … #define SSM4567_REG_STATUS_1 … #define SSM4567_REG_STATUS_2 … #define SSM4567_REG_FAULT_CTRL … #define SSM4567_REG_PDM_CTRL … #define SSM4567_REG_MCLK_RATIO … #define SSM4567_REG_BOOST_CTRL_1 … #define SSM4567_REG_BOOST_CTRL_2 … #define SSM4567_REG_SOFT_RESET … /* POWER_CTRL */ #define SSM4567_POWER_APWDN_EN … #define SSM4567_POWER_BSNS_PWDN … #define SSM4567_POWER_VSNS_PWDN … #define SSM4567_POWER_ISNS_PWDN … #define SSM4567_POWER_BOOST_PWDN … #define SSM4567_POWER_AMP_PWDN … #define SSM4567_POWER_VBAT_ONLY … #define SSM4567_POWER_SPWDN … /* DAC_CTRL */ #define SSM4567_DAC_HV … #define SSM4567_DAC_MUTE … #define SSM4567_DAC_HPF … #define SSM4567_DAC_LPM … #define SSM4567_DAC_FS_MASK … #define SSM4567_DAC_FS_8000_12000 … #define SSM4567_DAC_FS_16000_24000 … #define SSM4567_DAC_FS_32000_48000 … #define SSM4567_DAC_FS_64000_96000 … #define SSM4567_DAC_FS_128000_192000 … /* SAI_CTRL_1 */ #define SSM4567_SAI_CTRL_1_BCLK … #define SSM4567_SAI_CTRL_1_TDM_BLCKS_MASK … #define SSM4567_SAI_CTRL_1_TDM_BLCKS_32 … #define SSM4567_SAI_CTRL_1_TDM_BLCKS_48 … #define SSM4567_SAI_CTRL_1_TDM_BLCKS_64 … #define SSM4567_SAI_CTRL_1_FSYNC … #define SSM4567_SAI_CTRL_1_LJ … #define SSM4567_SAI_CTRL_1_TDM … #define SSM4567_SAI_CTRL_1_PDM … /* SAI_CTRL_2 */ #define SSM4567_SAI_CTRL_2_AUTO_SLOT … #define SSM4567_SAI_CTRL_2_TDM_SLOT_MASK … #define SSM4567_SAI_CTRL_2_TDM_SLOT(x) … struct ssm4567 { … }; static const struct reg_default ssm4567_reg_defaults[] = …; static bool ssm4567_readable_reg(struct device *dev, unsigned int reg) { … } static bool ssm4567_writeable_reg(struct device *dev, unsigned int reg) { … } static bool ssm4567_volatile_reg(struct device *dev, unsigned int reg) { … } static const DECLARE_TLV_DB_MINMAX_MUTE(ssm4567_vol_tlv, -7125, 2400); static const struct snd_kcontrol_new ssm4567_snd_controls[] = …; static const struct snd_kcontrol_new ssm4567_amplifier_boost_control = …; static const struct snd_soc_dapm_widget ssm4567_dapm_widgets[] = …; static const struct snd_soc_dapm_route ssm4567_routes[] = …; static int ssm4567_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int ssm4567_mute(struct snd_soc_dai *dai, int mute, int direction) { … } static int ssm4567_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int width) { … } static int ssm4567_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable) { … } static int ssm4567_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static const struct snd_soc_dai_ops ssm4567_dai_ops = …; static struct snd_soc_dai_driver ssm4567_dai = …; static const struct snd_soc_component_driver ssm4567_component_driver = …; static const struct regmap_config ssm4567_regmap_config = …; static int ssm4567_i2c_probe(struct i2c_client *i2c) { … } static const struct i2c_device_id ssm4567_i2c_ids[] = …; MODULE_DEVICE_TABLE(i2c, ssm4567_i2c_ids); #ifdef CONFIG_OF static const struct of_device_id ssm4567_of_match[] = …; MODULE_DEVICE_TABLE(of, ssm4567_of_match); #endif #ifdef CONFIG_ACPI static const struct acpi_device_id ssm4567_acpi_match[] = …; MODULE_DEVICE_TABLE(acpi, ssm4567_acpi_match); #endif static struct i2c_driver ssm4567_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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