// SPDX-License-Identifier: GPL-2.0-only OR MIT // // Analog Devices' SSM3515 audio amp driver // // Copyright (C) The Asahi Linux Contributors #include <linux/bits.h> #include <linux/bitfield.h> #include <linux/device.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/of.h> #include <linux/regmap.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/tlv.h> #define SSM3515_PWR … #define SSM3515_PWR_APWDN_EN … #define SSM3515_PWR_BSNS_PWDN … #define SSM3515_PWR_S_RST … #define SSM3515_PWR_SPWDN … #define SSM3515_GEC … #define SSM3515_GEC_EDGE … #define SSM3515_GEC_EDGE_SHIFT … #define SSM3515_GEC_ANA_GAIN … #define SSM3515_DAC … #define SSM3515_DAC_HV … #define SSM3515_DAC_MUTE … #define SSM3515_DAC_HPF … #define SSM3515_DAC_LPM … #define SSM3515_DAC_FS … #define SSM3515_DAC_VOL … #define SSM3515_SAI1 … #define SSM3515_SAI1_DAC_POL … #define SSM3515_SAI1_BCLK_POL … #define SSM3515_SAI1_TDM_BCLKS … #define SSM3515_SAI1_FSYNC_MODE … #define SSM3515_SAI1_SDATA_FMT … #define SSM3515_SAI1_SAI_MODE … #define SSM3515_SAI2 … #define SSM3515_SAI2_DATA_WIDTH … #define SSM3515_SAI2_AUTO_SLOT … #define SSM3515_SAI2_TDM_SLOT … #define SSM3515_VBAT_OUT … #define SSM3515_STATUS … #define SSM3515_STATUS_UVLO_REG … #define SSM3515_STATUS_LIM_EG … #define SSM3515_STATUS_CLIP … #define SSM3515_STATUS_AMP_OC … #define SSM3515_STATUS_OTF … #define SSM3515_STATUS_OTW … #define SSM3515_STATUS_BAT_WARN … static bool ssm3515_volatile_reg(struct device *dev, unsigned int reg) { … } static const struct reg_default ssm3515_reg_defaults[] = …; static const struct regmap_config ssm3515_i2c_regmap = …; struct ssm3515_data { … }; // The specced range is -71.25...24.00 dB with step size of 0.375 dB, // and a mute item below that. This is represented by -71.62...24.00 dB // with the mute item mapped onto the low end. static DECLARE_TLV_DB_MINMAX_MUTE(ssm3515_dac_volume, -7162, 2400); static const char * const ssm3515_ana_gain_text[] = …; static SOC_ENUM_SINGLE_DECL(ssm3515_ana_gain_enum, SSM3515_GEC, __bf_shf(SSM3515_GEC_ANA_GAIN), ssm3515_ana_gain_text); static const struct snd_kcontrol_new ssm3515_snd_controls[] = …; static void ssm3515_read_faults(struct snd_soc_component *component) { … } static int ssm3515_probe(struct snd_soc_component *component) { … } static int ssm3515_mute(struct snd_soc_dai *dai, int mute, int direction) { … } static int ssm3515_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int ssm3515_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int ssm3515_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { … } static int ssm3515_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static const struct snd_soc_dai_ops ssm3515_dai_ops = …; static struct snd_soc_dai_driver ssm3515_dai_driver = …; static const struct snd_soc_dapm_widget ssm3515_dapm_widgets[] = …; static const struct snd_soc_dapm_route ssm3515_dapm_routes[] = …; static const struct snd_soc_component_driver ssm3515_asoc_component = …; static int ssm3515_i2c_probe(struct i2c_client *client) { … } static const struct of_device_id ssm3515_of_match[] = …; MODULE_DEVICE_TABLE(of, ssm3515_of_match); static struct i2c_driver ssm3515_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux