// SPDX-License-Identifier: GPL-2.0-only /* * nau8810.c -- NAU8810 ALSA Soc Audio driver * * Copyright 2016 Nuvoton Technology Corp. * * Author: David Lin <[email protected]> * * Based on WM8974.c */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.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> #include "nau8810.h" #define NAU_PLL_FREQ_MAX … #define NAU_PLL_FREQ_MIN … #define NAU_PLL_REF_MAX … #define NAU_PLL_REF_MIN … #define NAU_PLL_OPTOP_MIN … static const int nau8810_mclk_scaler[] = …; static const struct reg_default nau8810_reg_defaults[] = …; static bool nau8810_readable_reg(struct device *dev, unsigned int reg) { … } static bool nau8810_writeable_reg(struct device *dev, unsigned int reg) { … } static bool nau8810_volatile_reg(struct device *dev, unsigned int reg) { … } /* The EQ parameters get function is to get the 5 band equalizer control. * The regmap raw read can't work here because regmap doesn't provide * value format for value width of 9 bits. Therefore, the driver reads data * from cache and makes value format according to the endianness of * bytes type control element. */ static int nau8810_eq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* The EQ parameters put function is to make configuration of 5 band equalizer * control. These configuration includes central frequency, equalizer gain, * cut-off frequency, bandwidth control, and equalizer path. * The regmap raw write can't work here because regmap doesn't provide * register and value format for register with address 7 bits and value 9 bits. * Therefore, the driver makes value format according to the endianness of * bytes type control element and writes data to codec. */ static int nau8810_eq_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const char * const nau8810_companding[] = …; static const struct soc_enum nau8810_companding_adc_enum = …; static const struct soc_enum nau8810_companding_dac_enum = …; static const char * const nau8810_deemp[] = …; static const struct soc_enum nau8810_deemp_enum = …; static const char * const nau8810_eqmode[] = …; static const struct soc_enum nau8810_eqmode_enum = …; static const char * const nau8810_alc[] = …; static const struct soc_enum nau8810_alc_enum = …; static const DECLARE_TLV_DB_SCALE(digital_tlv, -12750, 50, 1); static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1200, 75, 0); static const DECLARE_TLV_DB_SCALE(spk_tlv, -5700, 100, 0); static const struct snd_kcontrol_new nau8810_snd_controls[] = …; /* Speaker Output Mixer */ static const struct snd_kcontrol_new nau8810_speaker_mixer_controls[] = …; /* Mono Output Mixer */ static const struct snd_kcontrol_new nau8810_mono_mixer_controls[] = …; /* PGA Mute */ static const struct snd_kcontrol_new nau8810_pgaboost_mixer_controls[] = …; /* Input PGA */ static const struct snd_kcontrol_new nau8810_inpga[] = …; /* Loopback Switch */ static const struct snd_kcontrol_new nau8810_loopback = …; static int check_mclk_select_pll(struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink) { … } static int check_mic_enabled(struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink) { … } static const struct snd_soc_dapm_widget nau8810_dapm_widgets[] = …; static const struct snd_soc_dapm_route nau8810_dapm_routes[] = …; static int nau8810_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int nau8810_calc_pll(unsigned int pll_in, unsigned int fs, struct nau8810_pll *pll_param) { … } static int nau8810_set_pll(struct snd_soc_dai *codec_dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { … } static int nau8810_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int nau8810_mclk_clkdiv(struct nau8810 *nau8810, int rate) { … } static int nau8810_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int nau8810_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } #define NAU8810_RATES … #define NAU8810_FORMATS … static const struct snd_soc_dai_ops nau8810_ops = …; static struct snd_soc_dai_driver nau8810_dai = …; static const struct regmap_config nau8810_regmap_config = …; static const struct snd_soc_component_driver nau8810_component_driver = …; static int nau8810_i2c_probe(struct i2c_client *i2c) { … } static const struct i2c_device_id nau8810_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, nau8810_i2c_id); #ifdef CONFIG_OF static const struct of_device_id nau8810_of_match[] = …; MODULE_DEVICE_TABLE(of, nau8810_of_match); #endif static struct i2c_driver nau8810_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux