// SPDX-License-Identifier: GPL-2.0-only /* * rt5668.c -- RT5668B ALSA SoC audio component driver * * Copyright 2018 Realtek Semiconductor Corp. * Author: Bard Liao <[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/platform_device.h> #include <linux/spi/spi.h> #include <linux/acpi.h> #include <linux/gpio/consumer.h> #include <linux/regulator/consumer.h> #include <linux/mutex.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/jack.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> #include <sound/rt5668.h> #include "rl6231.h" #include "rt5668.h" #define RT5668_NUM_SUPPLIES … static const char *rt5668_supply_names[RT5668_NUM_SUPPLIES] = …; struct rt5668_priv { … }; static const struct reg_default rt5668_reg[] = …; static bool rt5668_volatile_register(struct device *dev, unsigned int reg) { … } static bool rt5668_readable_register(struct device *dev, unsigned int reg) { … } static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -2250, 150, 0); static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0); static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0); static const DECLARE_TLV_DB_SCALE(adc_bst_tlv, 0, 1200, 0); /* {0, +20, +24, +30, +35, +40, +44, +50, +52} dB */ static const DECLARE_TLV_DB_RANGE(bst_tlv, 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0), 1, 1, TLV_DB_SCALE_ITEM(2000, 0, 0), 2, 2, TLV_DB_SCALE_ITEM(2400, 0, 0), 3, 5, TLV_DB_SCALE_ITEM(3000, 500, 0), 6, 6, TLV_DB_SCALE_ITEM(4400, 0, 0), 7, 7, TLV_DB_SCALE_ITEM(5000, 0, 0), 8, 8, TLV_DB_SCALE_ITEM(5200, 0, 0) ); /* Interface data select */ static const char * const rt5668_data_select[] = …; static SOC_ENUM_SINGLE_DECL(rt5668_if2_adc_enum, RT5668_DIG_INF2_DATA, RT5668_IF2_ADC_SEL_SFT, rt5668_data_select); static SOC_ENUM_SINGLE_DECL(rt5668_if1_01_adc_enum, RT5668_TDM_ADDA_CTRL_1, RT5668_IF1_ADC1_SEL_SFT, rt5668_data_select); static SOC_ENUM_SINGLE_DECL(rt5668_if1_23_adc_enum, RT5668_TDM_ADDA_CTRL_1, RT5668_IF1_ADC2_SEL_SFT, rt5668_data_select); static SOC_ENUM_SINGLE_DECL(rt5668_if1_45_adc_enum, RT5668_TDM_ADDA_CTRL_1, RT5668_IF1_ADC3_SEL_SFT, rt5668_data_select); static SOC_ENUM_SINGLE_DECL(rt5668_if1_67_adc_enum, RT5668_TDM_ADDA_CTRL_1, RT5668_IF1_ADC4_SEL_SFT, rt5668_data_select); static const struct snd_kcontrol_new rt5668_if2_adc_swap_mux = …; static const struct snd_kcontrol_new rt5668_if1_01_adc_swap_mux = …; static const struct snd_kcontrol_new rt5668_if1_23_adc_swap_mux = …; static const struct snd_kcontrol_new rt5668_if1_45_adc_swap_mux = …; static const struct snd_kcontrol_new rt5668_if1_67_adc_swap_mux = …; static void rt5668_reset(struct regmap *regmap) { … } /** * rt5668_sel_asrc_clk_src - select ASRC clock source for a set of filters * @component: SoC audio component device. * @filter_mask: mask of filters. * @clk_src: clock source * * The ASRC function is for asynchronous MCLK and LRCK. Also, since RT5668 can * only support standard 32fs or 64fs i2s format, ASRC should be enabled to * support special i2s clock format such as Intel's 100fs(100 * sampling rate). * ASRC function will track i2s clock and generate a corresponding system clock * for codec. This function provides an API to select the clock source for a * set of filters specified by the mask. And the component driver will turn on * ASRC for these filters if ASRC is selected as their clock source. */ int rt5668_sel_asrc_clk_src(struct snd_soc_component *component, unsigned int filter_mask, unsigned int clk_src) { … } EXPORT_SYMBOL_GPL(…); static int rt5668_button_detect(struct snd_soc_component *component) { … } static void rt5668_enable_push_button_irq(struct snd_soc_component *component, bool enable) { … } /** * rt5668_headset_detect - Detect headset. * @component: SoC audio component device. * @jack_insert: Jack insert or not. * * Detect whether is headset or not when jack inserted. * * Returns detect status. */ static int rt5668_headset_detect(struct snd_soc_component *component, int jack_insert) { … } static irqreturn_t rt5668_irq(int irq, void *data) { … } static void rt5668_jd_check_handler(struct work_struct *work) { … } static int rt5668_set_jack_detect(struct snd_soc_component *component, struct snd_soc_jack *hs_jack, void *data) { … } static void rt5668_jack_detect_handler(struct work_struct *work) { … } static const struct snd_kcontrol_new rt5668_snd_controls[] = …; static int rt5668_div_sel(struct rt5668_priv *rt5668, int target, const int div[], int size) { … } /** * set_dmic_clk - Set parameter of dmic. * * @w: DAPM widget. * @kcontrol: The kcontrol of this widget. * @event: Event id. * * Choose dmic clock between 1MHz and 3MHz. * It is better for clock to approximate 3MHz. */ static int set_dmic_clk(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int set_filter_clk(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int is_sys_clk_from_pll1(struct snd_soc_dapm_widget *w, struct snd_soc_dapm_widget *sink) { … } static int is_using_asrc(struct snd_soc_dapm_widget *w, struct snd_soc_dapm_widget *sink) { … } /* Digital Mixer */ static const struct snd_kcontrol_new rt5668_sto1_adc_l_mix[] = …; static const struct snd_kcontrol_new rt5668_sto1_adc_r_mix[] = …; static const struct snd_kcontrol_new rt5668_dac_l_mix[] = …; static const struct snd_kcontrol_new rt5668_dac_r_mix[] = …; static const struct snd_kcontrol_new rt5668_sto1_dac_l_mix[] = …; static const struct snd_kcontrol_new rt5668_sto1_dac_r_mix[] = …; /* Analog Input Mixer */ static const struct snd_kcontrol_new rt5668_rec1_l_mix[] = …; /* STO1 ADC1 Source */ /* MX-26 [13] [5] */ static const char * const rt5668_sto1_adc1_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5668_sto1_adc1l_enum, RT5668_STO1_ADC_MIXER, RT5668_STO1_ADC1L_SRC_SFT, rt5668_sto1_adc1_src); static const struct snd_kcontrol_new rt5668_sto1_adc1l_mux = …; static SOC_ENUM_SINGLE_DECL( rt5668_sto1_adc1r_enum, RT5668_STO1_ADC_MIXER, RT5668_STO1_ADC1R_SRC_SFT, rt5668_sto1_adc1_src); static const struct snd_kcontrol_new rt5668_sto1_adc1r_mux = …; /* STO1 ADC Source */ /* MX-26 [11:10] [3:2] */ static const char * const rt5668_sto1_adc_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5668_sto1_adcl_enum, RT5668_STO1_ADC_MIXER, RT5668_STO1_ADCL_SRC_SFT, rt5668_sto1_adc_src); static const struct snd_kcontrol_new rt5668_sto1_adcl_mux = …; static SOC_ENUM_SINGLE_DECL( rt5668_sto1_adcr_enum, RT5668_STO1_ADC_MIXER, RT5668_STO1_ADCR_SRC_SFT, rt5668_sto1_adc_src); static const struct snd_kcontrol_new rt5668_sto1_adcr_mux = …; /* STO1 ADC2 Source */ /* MX-26 [12] [4] */ static const char * const rt5668_sto1_adc2_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5668_sto1_adc2l_enum, RT5668_STO1_ADC_MIXER, RT5668_STO1_ADC2L_SRC_SFT, rt5668_sto1_adc2_src); static const struct snd_kcontrol_new rt5668_sto1_adc2l_mux = …; static SOC_ENUM_SINGLE_DECL( rt5668_sto1_adc2r_enum, RT5668_STO1_ADC_MIXER, RT5668_STO1_ADC2R_SRC_SFT, rt5668_sto1_adc2_src); static const struct snd_kcontrol_new rt5668_sto1_adc2r_mux = …; /* MX-79 [6:4] I2S1 ADC data location */ static const unsigned int rt5668_if1_adc_slot_values[] = …; static const char * const rt5668_if1_adc_slot_src[] = …; static SOC_VALUE_ENUM_SINGLE_DECL(rt5668_if1_adc_slot_enum, RT5668_TDM_CTRL, RT5668_TDM_ADC_LCA_SFT, RT5668_TDM_ADC_LCA_MASK, rt5668_if1_adc_slot_src, rt5668_if1_adc_slot_values); static const struct snd_kcontrol_new rt5668_if1_adc_slot_mux = …; /* Analog DAC L1 Source, Analog DAC R1 Source*/ /* MX-2B [4], MX-2B [0]*/ static const char * const rt5668_alg_dac1_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5668_alg_dac_l1_enum, RT5668_A_DAC1_MUX, RT5668_A_DACL1_SFT, rt5668_alg_dac1_src); static const struct snd_kcontrol_new rt5668_alg_dac_l1_mux = …; static SOC_ENUM_SINGLE_DECL( rt5668_alg_dac_r1_enum, RT5668_A_DAC1_MUX, RT5668_A_DACR1_SFT, rt5668_alg_dac1_src); static const struct snd_kcontrol_new rt5668_alg_dac_r1_mux = …; /* Out Switch */ static const struct snd_kcontrol_new hpol_switch = …; static const struct snd_kcontrol_new hpor_switch = …; static int rt5668_hp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int set_dmic_power(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int rt5655_set_verf(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const unsigned int rt5668_adcdat_pin_values[] = …; static const char * const rt5668_adcdat_pin_select[] = …; static SOC_VALUE_ENUM_SINGLE_DECL(rt5668_adcdat_pin_enum, RT5668_GPIO_CTRL_1, RT5668_GP4_PIN_SFT, RT5668_GP4_PIN_MASK, rt5668_adcdat_pin_select, rt5668_adcdat_pin_values); static const struct snd_kcontrol_new rt5668_adcdat_pin_ctrl = …; static const struct snd_soc_dapm_widget rt5668_dapm_widgets[] = …; static const struct snd_soc_dapm_route rt5668_dapm_routes[] = …; static int rt5668_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { … } static int rt5668_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int rt5668_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int rt5668_set_component_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { … } static int rt5668_set_component_pll(struct snd_soc_component *component, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { … } static int rt5668_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) { … } static int rt5668_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int rt5668_probe(struct snd_soc_component *component) { … } static void rt5668_remove(struct snd_soc_component *component) { … } #ifdef CONFIG_PM static int rt5668_suspend(struct snd_soc_component *component) { … } static int rt5668_resume(struct snd_soc_component *component) { … } #else #define rt5668_suspend … #define rt5668_resume … #endif #define RT5668_STEREO_RATES … #define RT5668_FORMATS … static const struct snd_soc_dai_ops rt5668_aif1_dai_ops = …; static const struct snd_soc_dai_ops rt5668_aif2_dai_ops = …; static struct snd_soc_dai_driver rt5668_dai[] = …; static const struct snd_soc_component_driver soc_component_dev_rt5668 = …; static const struct regmap_config rt5668_regmap = …; static const struct i2c_device_id rt5668_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, rt5668_i2c_id); static int rt5668_parse_dt(struct rt5668_priv *rt5668, struct device *dev) { … } static void rt5668_calibrate(struct rt5668_priv *rt5668) { … } static int rt5668_i2c_probe(struct i2c_client *i2c) { … } static void rt5668_i2c_shutdown(struct i2c_client *client) { … } #ifdef CONFIG_OF static const struct of_device_id rt5668_of_match[] = …; MODULE_DEVICE_TABLE(of, rt5668_of_match); #endif #ifdef CONFIG_ACPI static const struct acpi_device_id rt5668_acpi_match[] = …; MODULE_DEVICE_TABLE(acpi, rt5668_acpi_match); #endif static struct i2c_driver rt5668_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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