// SPDX-License-Identifier: GPL-2.0-only /* * wm8985.c -- WM8985 / WM8758 ALSA SoC Audio driver * * Copyright 2010 Wolfson Microelectronics plc * Author: Dimitris Papastamos <[email protected]> * * WM8758 support: * Copyright: 2016 Barix AG * Author: Petr Kulhavy <[email protected]> * * TODO: * o Add OUT3/OUT4 mixer controls. */ #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/soc.h> #include <sound/initval.h> #include <sound/tlv.h> #include "wm8985.h" #define WM8985_NUM_SUPPLIES … static const char *wm8985_supply_names[WM8985_NUM_SUPPLIES] = …; enum wm8985_type { … }; static const struct reg_default wm8985_reg_defaults[] = …; static bool wm8985_writeable(struct device *dev, unsigned int reg) { … } /* * latch bit 8 of these registers to ensure instant * volume updates */ static const int volume_update_regs[] = …; struct wm8985_priv { … }; static const struct { … } fs_ratios[] = …; static const int srates[] = …; static const int bclk_divs[] = …; static int eqmode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); static int eqmode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1); static const DECLARE_TLV_DB_SCALE(adc_tlv, -12700, 50, 1); static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); static const DECLARE_TLV_DB_SCALE(lim_thresh_tlv, -600, 100, 0); static const DECLARE_TLV_DB_SCALE(lim_boost_tlv, 0, 100, 0); static const DECLARE_TLV_DB_SCALE(alc_min_tlv, -1200, 600, 0); static const DECLARE_TLV_DB_SCALE(alc_max_tlv, -675, 600, 0); static const DECLARE_TLV_DB_SCALE(alc_tar_tlv, -2250, 150, 0); static const DECLARE_TLV_DB_SCALE(pga_vol_tlv, -1200, 75, 0); static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1); static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); static const DECLARE_TLV_DB_SCALE(aux_tlv, -1500, 300, 0); static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0); static const DECLARE_TLV_DB_SCALE(pga_boost_tlv, 0, 2000, 0); static const char *alc_sel_text[] = …; static SOC_ENUM_SINGLE_DECL(alc_sel, WM8985_ALC_CONTROL_1, 7, alc_sel_text); static const char *alc_mode_text[] = …; static SOC_ENUM_SINGLE_DECL(alc_mode, WM8985_ALC_CONTROL_3, 8, alc_mode_text); static const char *filter_mode_text[] = …; static SOC_ENUM_SINGLE_DECL(filter_mode, WM8985_ADC_CONTROL, 7, filter_mode_text); static const char *eq_bw_text[] = …; static const char *eqmode_text[] = …; static SOC_ENUM_SINGLE_EXT_DECL(eqmode, eqmode_text); static const char *eq1_cutoff_text[] = …; static SOC_ENUM_SINGLE_DECL(eq1_cutoff, WM8985_EQ1_LOW_SHELF, 5, eq1_cutoff_text); static const char *eq2_cutoff_text[] = …; static SOC_ENUM_SINGLE_DECL(eq2_bw, WM8985_EQ2_PEAK_1, 8, eq_bw_text); static SOC_ENUM_SINGLE_DECL(eq2_cutoff, WM8985_EQ2_PEAK_1, 5, eq2_cutoff_text); static const char *eq3_cutoff_text[] = …; static SOC_ENUM_SINGLE_DECL(eq3_bw, WM8985_EQ3_PEAK_2, 8, eq_bw_text); static SOC_ENUM_SINGLE_DECL(eq3_cutoff, WM8985_EQ3_PEAK_2, 5, eq3_cutoff_text); static const char *eq4_cutoff_text[] = …; static SOC_ENUM_SINGLE_DECL(eq4_bw, WM8985_EQ4_PEAK_3, 8, eq_bw_text); static SOC_ENUM_SINGLE_DECL(eq4_cutoff, WM8985_EQ4_PEAK_3, 5, eq4_cutoff_text); static const char *eq5_cutoff_text[] = …; static SOC_ENUM_SINGLE_DECL(eq5_cutoff, WM8985_EQ5_HIGH_SHELF, 5, eq5_cutoff_text); static const char *speaker_mode_text[] = …; static SOC_ENUM_SINGLE_DECL(speaker_mode, 0x17, 8, speaker_mode_text); static const char *depth_3d_text[] = …; static SOC_ENUM_SINGLE_DECL(depth_3d, WM8985_3D_CONTROL, 0, depth_3d_text); static const struct snd_kcontrol_new wm8985_common_snd_controls[] = …; static const struct snd_kcontrol_new wm8985_specific_snd_controls[] = …; static const struct snd_kcontrol_new left_out_mixer[] = …; static const struct snd_kcontrol_new right_out_mixer[] = …; static const struct snd_kcontrol_new left_input_mixer[] = …; static const struct snd_kcontrol_new right_input_mixer[] = …; static const struct snd_kcontrol_new left_boost_mixer[] = …; static const struct snd_kcontrol_new right_boost_mixer[] = …; static const struct snd_soc_dapm_widget wm8985_common_dapm_widgets[] = …; static const struct snd_soc_dapm_widget wm8985_dapm_widgets[] = …; static const struct snd_soc_dapm_widget wm8758_dapm_widgets[] = …; static const struct snd_soc_dapm_route wm8985_common_dapm_routes[] = …; static const struct snd_soc_dapm_route wm8985_aux_dapm_routes[] = …; static int wm8985_add_widgets(struct snd_soc_component *component) { … } static int eqmode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int eqmode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int wm8985_reset(struct snd_soc_component *component) { … } static int wm8985_dac_mute(struct snd_soc_dai *dai, int mute, int direction) { … } static int wm8985_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int wm8985_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } struct pll_div { … }; #define FIXED_PLL_SIZE … static int pll_factors(struct pll_div *pll_div, unsigned int target, unsigned int source) { … } static int wm8985_set_pll(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { … } static int wm8985_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int wm8985_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int wm8985_probe(struct snd_soc_component *component) { … } static const struct snd_soc_dai_ops wm8985_dai_ops = …; #define WM8985_FORMATS … static struct snd_soc_dai_driver wm8985_dai = …; static const struct snd_soc_component_driver soc_component_dev_wm8985 = …; static const struct regmap_config wm8985_regmap = …; #if defined(CONFIG_SPI_MASTER) static int wm8985_spi_probe(struct spi_device *spi) { … } static struct spi_driver wm8985_spi_driver = …; #endif #if IS_ENABLED(CONFIG_I2C) static const struct i2c_device_id wm8985_i2c_id[]; static int wm8985_i2c_probe(struct i2c_client *i2c) { … } static const struct i2c_device_id wm8985_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, wm8985_i2c_id); static struct i2c_driver wm8985_i2c_driver = …; #endif static int __init wm8985_modinit(void) { … } module_init(…) …; static void __exit wm8985_exit(void) { … } module_exit(wm8985_exit); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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