// SPDX-License-Identifier: GPL-2.0-or-later /* * wm8991.c -- WM8991 ALSA Soc Audio driver * * Copyright 2007-2010 Wolfson Microelectronics PLC. * Author: Graeme Gregory * [email protected] */ #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/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> #include <asm/div64.h> #include "wm8991.h" struct wm8991_priv { … }; static const struct reg_default wm8991_reg_defaults[] = …; static bool wm8991_volatile(struct device *dev, unsigned int reg) { … } static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(in_pga_tlv, -1650, 150, 0); static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(out_mix_tlv, -2100, 300, 0); static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_pga_tlv, 0x00, 0x2f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(SNDRV_CTL_TLVD_DB_GAIN_MUTE, 0, 1), 0x30, 0x7f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-7300, 100, 0), ); static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_dac_tlv, 0x00, 0xbf, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-71625, 375, 1), 0xc0, 0xff, SNDRV_CTL_TLVD_DB_SCALE_ITEM(0, 0, 0), ); static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(in_adc_tlv, 0x00, 0xef, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-71625, 375, 1), 0xf0, 0xff, SNDRV_CTL_TLVD_DB_SCALE_ITEM(17625, 0, 0), ); static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_sidetone_tlv, 0x00, 0x0c, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-3600, 300, 0), 0x0d, 0x0f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(0, 0, 0), ); static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const char *wm8991_digital_sidetone[] = …; static SOC_ENUM_SINGLE_DECL(wm8991_left_digital_sidetone_enum, WM8991_DIGITAL_SIDE_TONE, WM8991_ADC_TO_DACL_SHIFT, wm8991_digital_sidetone); static SOC_ENUM_SINGLE_DECL(wm8991_right_digital_sidetone_enum, WM8991_DIGITAL_SIDE_TONE, WM8991_ADC_TO_DACR_SHIFT, wm8991_digital_sidetone); static const char *wm8991_adcmode[] = …; static SOC_ENUM_SINGLE_DECL(wm8991_right_adcmode_enum, WM8991_ADC_CTRL, WM8991_ADC_HPF_CUT_SHIFT, wm8991_adcmode); static const struct snd_kcontrol_new wm8991_snd_controls[] = …; /* * _DAPM_ Controls */ static int outmixer_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } /* INMIX dB values */ static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(in_mix_tlv, -1200, 300, 1); /* Left In PGA Connections */ static const struct snd_kcontrol_new wm8991_dapm_lin12_pga_controls[] = …; static const struct snd_kcontrol_new wm8991_dapm_lin34_pga_controls[] = …; /* Right In PGA Connections */ static const struct snd_kcontrol_new wm8991_dapm_rin12_pga_controls[] = …; static const struct snd_kcontrol_new wm8991_dapm_rin34_pga_controls[] = …; /* INMIXL */ static const struct snd_kcontrol_new wm8991_dapm_inmixl_controls[] = …; /* INMIXR */ static const struct snd_kcontrol_new wm8991_dapm_inmixr_controls[] = …; /* AINLMUX */ static const char *wm8991_ainlmux[] = …; static SOC_ENUM_SINGLE_DECL(wm8991_ainlmux_enum, WM8991_INPUT_MIXER1, WM8991_AINLMODE_SHIFT, wm8991_ainlmux); static const struct snd_kcontrol_new wm8991_dapm_ainlmux_controls = …; /* DIFFINL */ /* AINRMUX */ static const char *wm8991_ainrmux[] = …; static SOC_ENUM_SINGLE_DECL(wm8991_ainrmux_enum, WM8991_INPUT_MIXER1, WM8991_AINRMODE_SHIFT, wm8991_ainrmux); static const struct snd_kcontrol_new wm8991_dapm_ainrmux_controls = …; /* LOMIX */ static const struct snd_kcontrol_new wm8991_dapm_lomix_controls[] = …; /* ROMIX */ static const struct snd_kcontrol_new wm8991_dapm_romix_controls[] = …; /* LONMIX */ static const struct snd_kcontrol_new wm8991_dapm_lonmix_controls[] = …; /* LOPMIX */ static const struct snd_kcontrol_new wm8991_dapm_lopmix_controls[] = …; /* RONMIX */ static const struct snd_kcontrol_new wm8991_dapm_ronmix_controls[] = …; /* ROPMIX */ static const struct snd_kcontrol_new wm8991_dapm_ropmix_controls[] = …; /* OUT3MIX */ static const struct snd_kcontrol_new wm8991_dapm_out3mix_controls[] = …; /* OUT4MIX */ static const struct snd_kcontrol_new wm8991_dapm_out4mix_controls[] = …; /* SPKMIX */ static const struct snd_kcontrol_new wm8991_dapm_spkmix_controls[] = …; static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = …; static const struct snd_soc_dapm_route wm8991_dapm_routes[] = …; /* PLL divisors */ struct _pll_div { … }; /* The size in bits of the pll divide multiplied by 10 * to allow rounding later */ #define FIXED_PLL_SIZE … static void pll_factors(struct _pll_div *pll_div, unsigned int target, unsigned int source) { … } static int wm8991_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, int src, unsigned int freq_in, unsigned int freq_out) { … } /* * Set's ADC and Voice DAC format. */ static int wm8991_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int wm8991_set_dai_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div) { … } /* * Set PCM DAI bit size and sample rate. */ static int wm8991_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int wm8991_mute(struct snd_soc_dai *dai, int mute, int direction) { … } static int wm8991_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } #define WM8991_FORMATS … static const struct snd_soc_dai_ops wm8991_ops = …; /* * The WM8991 supports 2 different and mutually exclusive DAI * configurations. * * 1. ADC/DAC on Primary Interface * 2. ADC on Primary Interface/DAC on secondary */ static struct snd_soc_dai_driver wm8991_dai = …; static const struct snd_soc_component_driver soc_component_dev_wm8991 = …; static const struct regmap_config wm8991_regmap = …; static int wm8991_i2c_probe(struct i2c_client *i2c) { … } static const struct i2c_device_id wm8991_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, wm8991_i2c_id); static struct i2c_driver wm8991_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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