// SPDX-License-Identifier: GPL-2.0-only /* * wm8993.c -- WM8993 ALSA SoC audio driver * * Copyright 2009-12 Wolfson Microelectronics plc * * Author: Mark Brown <[email protected]> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/spi/spi.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/wm8993.h> #include "wm8993.h" #include "wm_hubs.h" #define WM8993_NUM_SUPPLIES … static const char *wm8993_supply_names[WM8993_NUM_SUPPLIES] = …; static const struct reg_default wm8993_reg_defaults[] = …; static struct { … } clk_sys_rates[] = …; static struct { … } sample_rates[] = …; static struct { … } bclk_divs[] = …; struct wm8993_priv { … }; static bool wm8993_volatile(struct device *dev, unsigned int reg) { … } static bool wm8993_readable(struct device *dev, unsigned int reg) { … } struct _fll_div { … }; /* The size in bits of the FLL divide multiplied by 10 * to allow rounding later */ #define FIXED_FLL_SIZE … static struct { … } fll_fratios[] = …; static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, unsigned int Fout) { … } static int _wm8993_set_fll(struct snd_soc_component *component, int fll_id, int source, unsigned int Fref, unsigned int Fout) { … } static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source, unsigned int Fref, unsigned int Fout) { … } static int configure_clock(struct snd_soc_component *component) { … } static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0); static const DECLARE_TLV_DB_SCALE(drc_comp_threash, -4500, 75, 0); static const DECLARE_TLV_DB_SCALE(drc_comp_amp, -2250, 75, 0); static const DECLARE_TLV_DB_SCALE(drc_min_tlv, -1800, 600, 0); static const DECLARE_TLV_DB_RANGE(drc_max_tlv, 0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0), 3, 3, TLV_DB_SCALE_ITEM(3600, 0, 0) ); static const DECLARE_TLV_DB_SCALE(drc_qr_tlv, 1200, 600, 0); static const DECLARE_TLV_DB_SCALE(drc_startup_tlv, -1800, 300, 0); static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); static const char *dac_deemph_text[] = …; static SOC_ENUM_SINGLE_DECL(dac_deemph, WM8993_DAC_CTRL, 4, dac_deemph_text); static const char *adc_hpf_text[] = …; static SOC_ENUM_SINGLE_DECL(adc_hpf, WM8993_ADC_CTRL, 5, adc_hpf_text); static const char *drc_path_text[] = …; static SOC_ENUM_SINGLE_DECL(drc_path, WM8993_DRC_CONTROL_1, 14, drc_path_text); static const char *drc_r0_text[] = …; static SOC_ENUM_SINGLE_DECL(drc_r0, WM8993_DRC_CONTROL_3, 8, drc_r0_text); static const char *drc_r1_text[] = …; static SOC_ENUM_SINGLE_DECL(drc_r1, WM8993_DRC_CONTROL_4, 13, drc_r1_text); static const char *drc_attack_text[] = …; static SOC_ENUM_SINGLE_DECL(drc_attack, WM8993_DRC_CONTROL_2, 12, drc_attack_text); static const char *drc_decay_text[] = …; static SOC_ENUM_SINGLE_DECL(drc_decay, WM8993_DRC_CONTROL_2, 8, drc_decay_text); static const char *drc_ff_text[] = …; static SOC_ENUM_SINGLE_DECL(drc_ff, WM8993_DRC_CONTROL_3, 7, drc_ff_text); static const char *drc_qr_rate_text[] = …; static SOC_ENUM_SINGLE_DECL(drc_qr_rate, WM8993_DRC_CONTROL_3, 0, drc_qr_rate_text); static const char *drc_smooth_text[] = …; static SOC_ENUM_SINGLE_DECL(drc_smooth, WM8993_DRC_CONTROL_1, 4, drc_smooth_text); static const struct snd_kcontrol_new wm8993_snd_controls[] = …; static const struct snd_kcontrol_new wm8993_eq_controls[] = …; static int clk_sys_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_kcontrol_new left_speaker_mixer[] = …; static const struct snd_kcontrol_new right_speaker_mixer[] = …; static const char *aif_text[] = …; static SOC_ENUM_SINGLE_DECL(aifoutl_enum, WM8993_AUDIO_INTERFACE_1, 15, aif_text); static const struct snd_kcontrol_new aifoutl_mux = …; static SOC_ENUM_SINGLE_DECL(aifoutr_enum, WM8993_AUDIO_INTERFACE_1, 14, aif_text); static const struct snd_kcontrol_new aifoutr_mux = …; static SOC_ENUM_SINGLE_DECL(aifinl_enum, WM8993_AUDIO_INTERFACE_2, 15, aif_text); static const struct snd_kcontrol_new aifinl_mux = …; static SOC_ENUM_SINGLE_DECL(aifinr_enum, WM8993_AUDIO_INTERFACE_2, 14, aif_text); static const struct snd_kcontrol_new aifinr_mux = …; static const char *sidetone_text[] = …; static SOC_ENUM_SINGLE_DECL(sidetonel_enum, WM8993_DIGITAL_SIDE_TONE, 2, sidetone_text); static const struct snd_kcontrol_new sidetonel_mux = …; static SOC_ENUM_SINGLE_DECL(sidetoner_enum, WM8993_DIGITAL_SIDE_TONE, 0, sidetone_text); static const struct snd_kcontrol_new sidetoner_mux = …; static const struct snd_soc_dapm_widget wm8993_dapm_widgets[] = …; static const struct snd_soc_dapm_route routes[] = …; static int wm8993_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int wm8993_set_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { … } static int wm8993_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int wm8993_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int wm8993_mute(struct snd_soc_dai *codec_dai, int mute, int direction) { … } static int wm8993_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { … } static irqreturn_t wm8993_irq(int irq, void *data) { … } static const struct snd_soc_dai_ops wm8993_ops = …; #define WM8993_RATES … #define WM8993_FORMATS … static struct snd_soc_dai_driver wm8993_dai = …; static int wm8993_probe(struct snd_soc_component *component) { … } #ifdef CONFIG_PM static int wm8993_suspend(struct snd_soc_component *component) { … } static int wm8993_resume(struct snd_soc_component *component) { … } #else #define wm8993_suspend … #define wm8993_resume … #endif /* Tune DC servo configuration */ static const struct reg_sequence wm8993_regmap_patch[] = …; static const struct regmap_config wm8993_regmap = …; static const struct snd_soc_component_driver soc_component_dev_wm8993 = …; static int wm8993_i2c_probe(struct i2c_client *i2c) { … } static void wm8993_i2c_remove(struct i2c_client *i2c) { … } static const struct i2c_device_id wm8993_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, wm8993_i2c_id); static struct i2c_driver wm8993_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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