// SPDX-License-Identifier: GPL-2.0-only /* * SSM2518 amplifier audio driver * * Copyright 2013 Analog Devices Inc. * Author: Lars-Peter Clausen <[email protected]> */ #include <linux/err.h> #include <linux/module.h> #include <linux/init.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/slab.h> #include <linux/gpio/consumer.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> #include "ssm2518.h" #define SSM2518_REG_POWER1 … #define SSM2518_REG_CLOCK … #define SSM2518_REG_SAI_CTRL1 … #define SSM2518_REG_SAI_CTRL2 … #define SSM2518_REG_CHAN_MAP … #define SSM2518_REG_LEFT_VOL … #define SSM2518_REG_RIGHT_VOL … #define SSM2518_REG_MUTE_CTRL … #define SSM2518_REG_FAULT_CTRL … #define SSM2518_REG_POWER2 … #define SSM2518_REG_DRC_1 … #define SSM2518_REG_DRC_2 … #define SSM2518_REG_DRC_3 … #define SSM2518_REG_DRC_4 … #define SSM2518_REG_DRC_5 … #define SSM2518_REG_DRC_6 … #define SSM2518_REG_DRC_7 … #define SSM2518_REG_DRC_8 … #define SSM2518_REG_DRC_9 … #define SSM2518_POWER1_RESET … #define SSM2518_POWER1_NO_BCLK … #define SSM2518_POWER1_MCS_MASK … #define SSM2518_POWER1_MCS_64FS … #define SSM2518_POWER1_MCS_128FS … #define SSM2518_POWER1_MCS_256FS … #define SSM2518_POWER1_MCS_384FS … #define SSM2518_POWER1_MCS_512FS … #define SSM2518_POWER1_MCS_768FS … #define SSM2518_POWER1_MCS_100FS … #define SSM2518_POWER1_MCS_200FS … #define SSM2518_POWER1_MCS_400FS … #define SSM2518_POWER1_SPWDN … #define SSM2518_CLOCK_ASR … #define SSM2518_SAI_CTRL1_FMT_MASK … #define SSM2518_SAI_CTRL1_FMT_I2S … #define SSM2518_SAI_CTRL1_FMT_LJ … #define SSM2518_SAI_CTRL1_FMT_RJ_24BIT … #define SSM2518_SAI_CTRL1_FMT_RJ_16BIT … #define SSM2518_SAI_CTRL1_SAI_MASK … #define SSM2518_SAI_CTRL1_SAI_I2S … #define SSM2518_SAI_CTRL1_SAI_TDM_2 … #define SSM2518_SAI_CTRL1_SAI_TDM_4 … #define SSM2518_SAI_CTRL1_SAI_TDM_8 … #define SSM2518_SAI_CTRL1_SAI_TDM_16 … #define SSM2518_SAI_CTRL1_SAI_MONO … #define SSM2518_SAI_CTRL1_FS_MASK … #define SSM2518_SAI_CTRL1_FS_8000_12000 … #define SSM2518_SAI_CTRL1_FS_16000_24000 … #define SSM2518_SAI_CTRL1_FS_32000_48000 … #define SSM2518_SAI_CTRL1_FS_64000_96000 … #define SSM2518_SAI_CTRL2_BCLK_INTERAL … #define SSM2518_SAI_CTRL2_LRCLK_PULSE … #define SSM2518_SAI_CTRL2_LRCLK_INVERT … #define SSM2518_SAI_CTRL2_MSB … #define SSM2518_SAI_CTRL2_SLOT_WIDTH_MASK … #define SSM2518_SAI_CTRL2_SLOT_WIDTH_32 … #define SSM2518_SAI_CTRL2_SLOT_WIDTH_24 … #define SSM2518_SAI_CTRL2_SLOT_WIDTH_16 … #define SSM2518_SAI_CTRL2_BCLK_INVERT … #define SSM2518_CHAN_MAP_RIGHT_SLOT_OFFSET … #define SSM2518_CHAN_MAP_RIGHT_SLOT_MASK … #define SSM2518_CHAN_MAP_LEFT_SLOT_OFFSET … #define SSM2518_CHAN_MAP_LEFT_SLOT_MASK … #define SSM2518_MUTE_CTRL_ANA_GAIN … #define SSM2518_MUTE_CTRL_MUTE_MASTER … #define SSM2518_POWER2_APWDN … #define SSM2518_DAC_MUTE … #define SSM2518_DAC_FS_MASK … #define SSM2518_DAC_FS_8000 … #define SSM2518_DAC_FS_16000 … #define SSM2518_DAC_FS_32000 … #define SSM2518_DAC_FS_64000 … #define SSM2518_DAC_FS_128000 … struct ssm2518 { … }; static const struct reg_default ssm2518_reg_defaults[] = …; static const DECLARE_TLV_DB_MINMAX_MUTE(ssm2518_vol_tlv, -7125, 2400); static const DECLARE_TLV_DB_SCALE(ssm2518_compressor_tlv, -3400, 200, 0); static const DECLARE_TLV_DB_SCALE(ssm2518_expander_tlv, -8100, 300, 0); static const DECLARE_TLV_DB_SCALE(ssm2518_noise_gate_tlv, -9600, 300, 0); static const DECLARE_TLV_DB_SCALE(ssm2518_post_drc_tlv, -2400, 300, 0); static const DECLARE_TLV_DB_RANGE(ssm2518_limiter_tlv, 0, 7, TLV_DB_SCALE_ITEM(-2200, 200, 0), 7, 15, TLV_DB_SCALE_ITEM(-800, 100, 0), ); static const char * const ssm2518_drc_peak_detector_attack_time_text[] = …; static const char * const ssm2518_drc_peak_detector_release_time_text[] = …; static const char * const ssm2518_drc_hold_time_text[] = …; static SOC_ENUM_SINGLE_DECL(ssm2518_drc_peak_detector_attack_time_enum, SSM2518_REG_DRC_2, 4, ssm2518_drc_peak_detector_attack_time_text); static SOC_ENUM_SINGLE_DECL(ssm2518_drc_peak_detector_release_time_enum, SSM2518_REG_DRC_2, 0, ssm2518_drc_peak_detector_release_time_text); static SOC_ENUM_SINGLE_DECL(ssm2518_drc_attack_time_enum, SSM2518_REG_DRC_6, 4, ssm2518_drc_peak_detector_attack_time_text); static SOC_ENUM_SINGLE_DECL(ssm2518_drc_decay_time_enum, SSM2518_REG_DRC_6, 0, ssm2518_drc_peak_detector_release_time_text); static SOC_ENUM_SINGLE_DECL(ssm2518_drc_hold_time_enum, SSM2518_REG_DRC_7, 4, ssm2518_drc_hold_time_text); static SOC_ENUM_SINGLE_DECL(ssm2518_drc_noise_gate_hold_time_enum, SSM2518_REG_DRC_7, 0, ssm2518_drc_hold_time_text); static SOC_ENUM_SINGLE_DECL(ssm2518_drc_rms_averaging_time_enum, SSM2518_REG_DRC_9, 0, ssm2518_drc_peak_detector_release_time_text); static const struct snd_kcontrol_new ssm2518_snd_controls[] = …; static const struct snd_soc_dapm_widget ssm2518_dapm_widgets[] = …; static const struct snd_soc_dapm_route ssm2518_routes[] = …; struct ssm2518_mcs_lut { … }; static const unsigned int ssm2518_sysclks_2048000[] = …; static const unsigned int ssm2518_sysclks_2822000[] = …; static const unsigned int ssm2518_sysclks_3072000[] = …; static const struct ssm2518_mcs_lut ssm2518_mcs_lut[] = …; static const unsigned int ssm2518_rates_2048000[] = …; static const struct snd_pcm_hw_constraint_list ssm2518_constraints_2048000 = …; static const unsigned int ssm2518_rates_2822000[] = …; static const struct snd_pcm_hw_constraint_list ssm2518_constraints_2822000 = …; static const unsigned int ssm2518_rates_3072000[] = …; static const struct snd_pcm_hw_constraint_list ssm2518_constraints_3072000 = …; static const unsigned int ssm2518_rates_12288000[] = …; static const struct snd_pcm_hw_constraint_list ssm2518_constraints_12288000 = …; static int ssm2518_lookup_mcs(struct ssm2518 *ssm2518, unsigned int rate) { … } static int ssm2518_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int ssm2518_mute(struct snd_soc_dai *dai, int mute, int direction) { … } static int ssm2518_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int ssm2518_set_power(struct ssm2518 *ssm2518, bool enable) { … } static int ssm2518_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int ssm2518_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int width) { … } static int ssm2518_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } #define SSM2518_FORMATS … static const struct snd_soc_dai_ops ssm2518_dai_ops = …; static struct snd_soc_dai_driver ssm2518_dai = …; static int ssm2518_set_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { … } static const struct snd_soc_component_driver ssm2518_component_driver = …; static const struct regmap_config ssm2518_regmap_config = …; static int ssm2518_i2c_probe(struct i2c_client *i2c) { … } #ifdef CONFIG_OF static const struct of_device_id ssm2518_dt_ids[] = …; MODULE_DEVICE_TABLE(of, ssm2518_dt_ids); #endif static const struct i2c_device_id ssm2518_i2c_ids[] = …; MODULE_DEVICE_TABLE(i2c, ssm2518_i2c_ids); static struct i2c_driver ssm2518_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux