// SPDX-License-Identifier: GPL-2.0-or-later /* * Based on code by Hu Jin * Copyright (C) 2014 Asahi Kasei Microdevices Corporation */ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/of.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <sound/soc.h> #include <sound/tlv.h> /* Registers and fields */ #define AK4375_00_POWER_MANAGEMENT1 … #define PMPLL … #define AK4375_01_POWER_MANAGEMENT2 … #define PMCP1 … #define PMCP2 … #define PMLDO1P … #define PMLDO1N … #define PMLDO … #define AK4375_02_POWER_MANAGEMENT3 … #define AK4375_03_POWER_MANAGEMENT4 … #define AK4375_04_OUTPUT_MODE_SETTING … #define AK4375_05_CLOCK_MODE_SELECT … #define FS_MASK … #define FS_8KHZ … #define FS_11_025KHZ … #define FS_16KHZ … #define FS_22_05KHZ … #define FS_32KHZ … #define FS_44_1KHZ … #define FS_48KHZ … #define FS_88_2KHZ … #define FS_96KHZ … #define FS_176_4KHZ … #define FS_192KHZ … #define CM_MASK … #define CM_0 … #define CM_1 … #define CM_2 … #define CM_3 … #define AK4375_06_DIGITAL_FILTER_SELECT … #define DADFSEL … #define DASL … #define DASD … #define AK4375_07_DAC_MONO_MIXING … #define DACMUTE_MASK … #define AK4375_08_JITTER_CLEANER_SETTING1 … #define AK4375_09_JITTER_CLEANER_SETTING2 … #define AK4375_0A_JITTER_CLEANER_SETTING3 … #define SELDAIN … #define XCKSEL … #define XCKCPSEL … #define AK4375_0B_LCH_OUTPUT_VOLUME … #define AK4375_0C_RCH_OUTPUT_VOLUME … #define AK4375_0D_HP_VOLUME_CONTROL … #define AK4375_0E_PLL_CLK_SOURCE_SELECT … #define PLS … #define AK4375_0F_PLL_REF_CLK_DIVIDER1 … #define AK4375_10_PLL_REF_CLK_DIVIDER2 … #define AK4375_11_PLL_FB_CLK_DIVIDER1 … #define AK4375_12_PLL_FB_CLK_DIVIDER2 … #define AK4375_13_SRC_CLK_SOURCE … #define SRCCKS … #define DIV … #define AK4375_14_DAC_CLK_DIVIDER … #define AK4375_15_AUDIO_IF_FORMAT … #define DEVICEID_MASK … #define AK4375_24_MODE_CONTROL … #define AK4375_PLL_FREQ_OUT_112896000 … #define AK4375_PLL_FREQ_OUT_122880000 … #define DEVICEID_AK4375 … #define DEVICEID_AK4375A … #define DEVICEID_AK4376A … #define DEVICEID_AK4377 … #define DEVICEID_AK4331 … static const char * const supply_names[] = …; struct ak4375_drvdata { … }; struct ak4375_priv { … }; static const struct reg_default ak4375_reg_defaults[] = …; /* * Output Digital volume control: * from -12.5 to 3 dB in 0.5 dB steps (mute instead of -12.5 dB) */ static DECLARE_TLV_DB_SCALE(dac_tlv, -1250, 50, 0); /* * HP-Amp Analog volume control: * from -4.2 to 6 dB in 2 dB steps (mute instead of -4.2 dB) */ static DECLARE_TLV_DB_SCALE(hpg_tlv, -4200, 20, 0); static const char * const ak4375_ovolcn_select_texts[] = …; static const char * const ak4375_mdac_select_texts[] = …; static const char * const ak4375_cpmode_select_texts[] = …; /* * DASD, DASL bits Digital Filter Setting * 0, 0 : Sharp Roll-Off Filter * 0, 1 : Slow Roll-Off Filter * 1, 0 : Short delay Sharp Roll-Off Filter * 1, 1 : Short delay Slow Roll-Off Filter */ static const char * const ak4375_digfil_select_texts[] = …; static const struct soc_enum ak4375_ovolcn_enum = …; static const struct soc_enum ak4375_mdacl_enum = …; static const struct soc_enum ak4375_mdacr_enum = …; static const struct soc_enum ak4375_cpmode_enum = …; static const struct soc_enum ak4375_digfil_enum = …; static const struct snd_kcontrol_new ak4375_snd_controls[] = …; static const struct snd_kcontrol_new ak4375_hpl_mixer_controls[] = …; static const struct snd_kcontrol_new ak4375_hpr_mixer_controls[] = …; static int ak4375_dac_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_soc_dapm_widget ak4375_dapm_widgets[] = …; static const struct snd_soc_dapm_route ak4375_intercon[] = …; static int ak4375_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int ak4375_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { … } static int ak4375_mute(struct snd_soc_dai *dai, int mute, int direction) { … } #define AK4375_RATES … #define AK4375_FORMATS … static const struct snd_soc_dai_ops ak4375_dai_ops = …; static struct snd_soc_dai_driver ak4375_dai = …; static void ak4375_power_off(struct ak4375_priv *ak4375) { … } static int ak4375_power_on(struct ak4375_priv *ak4375) { … } static int __maybe_unused ak4375_runtime_suspend(struct device *dev) { … } static int __maybe_unused ak4375_runtime_resume(struct device *dev) { … } static const struct snd_soc_component_driver soc_codec_dev_ak4375 = …; static const struct regmap_config ak4375_regmap = …; static const struct ak4375_drvdata ak4375_drvdata = …; static const struct dev_pm_ops ak4375_pm = …; static int ak4375_i2c_probe(struct i2c_client *i2c) { … } static void ak4375_i2c_remove(struct i2c_client *i2c) { … } static const struct of_device_id ak4375_of_match[] = …; MODULE_DEVICE_TABLE(of, ak4375_of_match); static struct i2c_driver ak4375_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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