// SPDX-License-Identifier: GPL-2.0-only // // rt5682.c -- RT5682 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/pm_runtime.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/acpi.h> #include <linux/gpio/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/rt5682.h> #include "rl6231.h" #include "rt5682.h" const char *rt5682_supply_names[RT5682_NUM_SUPPLIES] = …; EXPORT_SYMBOL_GPL(…); static const struct reg_sequence patch_list[] = …; void rt5682_apply_patch_list(struct rt5682_priv *rt5682, struct device *dev) { … } EXPORT_SYMBOL_GPL(…); const struct reg_default rt5682_reg[RT5682_REG_NUM] = …; EXPORT_SYMBOL_GPL(…); bool rt5682_volatile_register(struct device *dev, unsigned int reg) { … } EXPORT_SYMBOL_GPL(…); bool rt5682_readable_register(struct device *dev, unsigned int reg) { … } EXPORT_SYMBOL_GPL(…); static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6525, 75, 0); static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 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 rt5682_data_select[] = …; static SOC_ENUM_SINGLE_DECL(rt5682_if2_adc_enum, RT5682_DIG_INF2_DATA, RT5682_IF2_ADC_SEL_SFT, rt5682_data_select); static SOC_ENUM_SINGLE_DECL(rt5682_if1_01_adc_enum, RT5682_TDM_ADDA_CTRL_1, RT5682_IF1_ADC1_SEL_SFT, rt5682_data_select); static SOC_ENUM_SINGLE_DECL(rt5682_if1_23_adc_enum, RT5682_TDM_ADDA_CTRL_1, RT5682_IF1_ADC2_SEL_SFT, rt5682_data_select); static SOC_ENUM_SINGLE_DECL(rt5682_if1_45_adc_enum, RT5682_TDM_ADDA_CTRL_1, RT5682_IF1_ADC3_SEL_SFT, rt5682_data_select); static SOC_ENUM_SINGLE_DECL(rt5682_if1_67_adc_enum, RT5682_TDM_ADDA_CTRL_1, RT5682_IF1_ADC4_SEL_SFT, rt5682_data_select); static const struct snd_kcontrol_new rt5682_if2_adc_swap_mux = …; static const struct snd_kcontrol_new rt5682_if1_01_adc_swap_mux = …; static const struct snd_kcontrol_new rt5682_if1_23_adc_swap_mux = …; static const struct snd_kcontrol_new rt5682_if1_45_adc_swap_mux = …; static const struct snd_kcontrol_new rt5682_if1_67_adc_swap_mux = …; static const char * const rt5682_dac_select[] = …; static SOC_ENUM_SINGLE_DECL(rt5682_dacl_enum, RT5682_AD_DA_MIXER, RT5682_DAC1_L_SEL_SFT, rt5682_dac_select); static const struct snd_kcontrol_new rt5682_dac_l_mux = …; static SOC_ENUM_SINGLE_DECL(rt5682_dacr_enum, RT5682_AD_DA_MIXER, RT5682_DAC1_R_SEL_SFT, rt5682_dac_select); static const struct snd_kcontrol_new rt5682_dac_r_mux = …; void rt5682_reset(struct rt5682_priv *rt5682) { … } EXPORT_SYMBOL_GPL(…); /** * rt5682_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 RT5682 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 rt5682_sel_asrc_clk_src(struct snd_soc_component *component, unsigned int filter_mask, unsigned int clk_src) { … } EXPORT_SYMBOL_GPL(…); static int rt5682_button_detect(struct snd_soc_component *component) { … } static void rt5682_enable_push_button_irq(struct snd_soc_component *component, bool enable) { … } /** * rt5682_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 rt5682_headset_detect(struct snd_soc_component *component, int jack_insert) { … } static int rt5682_set_jack_detect(struct snd_soc_component *component, struct snd_soc_jack *hs_jack, void *data) { … } void rt5682_jack_detect_handler(struct work_struct *work) { … } EXPORT_SYMBOL_GPL(…); static const struct snd_kcontrol_new rt5682_snd_controls[] = …; static int rt5682_div_sel(struct rt5682_priv *rt5682, 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_sys_clk_from_pll2(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 rt5682_sto1_adc_l_mix[] = …; static const struct snd_kcontrol_new rt5682_sto1_adc_r_mix[] = …; static const struct snd_kcontrol_new rt5682_dac_l_mix[] = …; static const struct snd_kcontrol_new rt5682_dac_r_mix[] = …; static const struct snd_kcontrol_new rt5682_sto1_dac_l_mix[] = …; static const struct snd_kcontrol_new rt5682_sto1_dac_r_mix[] = …; /* Analog Input Mixer */ static const struct snd_kcontrol_new rt5682_rec1_l_mix[] = …; /* STO1 ADC1 Source */ /* MX-26 [13] [5] */ static const char * const rt5682_sto1_adc1_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5682_sto1_adc1l_enum, RT5682_STO1_ADC_MIXER, RT5682_STO1_ADC1L_SRC_SFT, rt5682_sto1_adc1_src); static const struct snd_kcontrol_new rt5682_sto1_adc1l_mux = …; static SOC_ENUM_SINGLE_DECL( rt5682_sto1_adc1r_enum, RT5682_STO1_ADC_MIXER, RT5682_STO1_ADC1R_SRC_SFT, rt5682_sto1_adc1_src); static const struct snd_kcontrol_new rt5682_sto1_adc1r_mux = …; /* STO1 ADC Source */ /* MX-26 [11:10] [3:2] */ static const char * const rt5682_sto1_adc_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5682_sto1_adcl_enum, RT5682_STO1_ADC_MIXER, RT5682_STO1_ADCL_SRC_SFT, rt5682_sto1_adc_src); static const struct snd_kcontrol_new rt5682_sto1_adcl_mux = …; static SOC_ENUM_SINGLE_DECL( rt5682_sto1_adcr_enum, RT5682_STO1_ADC_MIXER, RT5682_STO1_ADCR_SRC_SFT, rt5682_sto1_adc_src); static const struct snd_kcontrol_new rt5682_sto1_adcr_mux = …; /* STO1 ADC2 Source */ /* MX-26 [12] [4] */ static const char * const rt5682_sto1_adc2_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5682_sto1_adc2l_enum, RT5682_STO1_ADC_MIXER, RT5682_STO1_ADC2L_SRC_SFT, rt5682_sto1_adc2_src); static const struct snd_kcontrol_new rt5682_sto1_adc2l_mux = …; static SOC_ENUM_SINGLE_DECL( rt5682_sto1_adc2r_enum, RT5682_STO1_ADC_MIXER, RT5682_STO1_ADC2R_SRC_SFT, rt5682_sto1_adc2_src); static const struct snd_kcontrol_new rt5682_sto1_adc2r_mux = …; /* MX-79 [6:4] I2S1 ADC data location */ static const unsigned int rt5682_if1_adc_slot_values[] = …; static const char * const rt5682_if1_adc_slot_src[] = …; static SOC_VALUE_ENUM_SINGLE_DECL(rt5682_if1_adc_slot_enum, RT5682_TDM_CTRL, RT5682_TDM_ADC_LCA_SFT, RT5682_TDM_ADC_LCA_MASK, rt5682_if1_adc_slot_src, rt5682_if1_adc_slot_values); static const struct snd_kcontrol_new rt5682_if1_adc_slot_mux = …; /* Analog DAC L1 Source, Analog DAC R1 Source*/ /* MX-2B [4], MX-2B [0]*/ static const char * const rt5682_alg_dac1_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5682_alg_dac_l1_enum, RT5682_A_DAC1_MUX, RT5682_A_DACL1_SFT, rt5682_alg_dac1_src); static const struct snd_kcontrol_new rt5682_alg_dac_l1_mux = …; static SOC_ENUM_SINGLE_DECL( rt5682_alg_dac_r1_enum, RT5682_A_DAC1_MUX, RT5682_A_DACR1_SFT, rt5682_alg_dac1_src); static const struct snd_kcontrol_new rt5682_alg_dac_r1_mux = …; /* Out Switch */ static const struct snd_kcontrol_new hpol_switch = …; static const struct snd_kcontrol_new hpor_switch = …; static int rt5682_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 rt5682_set_verf(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const unsigned int rt5682_adcdat_pin_values[] = …; static const char * const rt5682_adcdat_pin_select[] = …; static SOC_VALUE_ENUM_SINGLE_DECL(rt5682_adcdat_pin_enum, RT5682_GPIO_CTRL_1, RT5682_GP4_PIN_SFT, RT5682_GP4_PIN_MASK, rt5682_adcdat_pin_select, rt5682_adcdat_pin_values); static const struct snd_kcontrol_new rt5682_adcdat_pin_ctrl = …; static const unsigned int rt5682_hpo_sig_out_values[] = …; static const char * const rt5682_hpo_sig_out_mode[] = …; static SOC_VALUE_ENUM_SINGLE_DECL(rt5682_hpo_sig_out_enum, RT5682_HP_LOGIC_CTRL_2, 0, RT5682_HP_LC2_SIG_SOUR1_MASK, rt5682_hpo_sig_out_mode, rt5682_hpo_sig_out_values); static const struct snd_kcontrol_new rt5682_hpo_sig_demux = …; static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = …; static const struct snd_soc_dapm_route rt5682_dapm_routes[] = …; static int rt5682_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { … } static int rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int rt5682_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int rt5682_set_component_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { … } static int rt5682_set_component_pll(struct snd_soc_component *component, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { … } static int rt5682_set_bclk1_ratio(struct snd_soc_dai *dai, unsigned int ratio) { … } static int rt5682_set_bclk2_ratio(struct snd_soc_dai *dai, unsigned int ratio) { … } static int rt5682_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } #ifdef CONFIG_COMMON_CLK #define CLK_PLL2_FIN … #define CLK_48 … #define CLK_44 … static bool rt5682_clk_check(struct rt5682_priv *rt5682) { … } static int rt5682_wclk_prepare(struct clk_hw *hw) { … } static void rt5682_wclk_unprepare(struct clk_hw *hw) { … } static unsigned long rt5682_wclk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { … } static long rt5682_wclk_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { … } static int rt5682_wclk_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static unsigned long rt5682_bclk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { … } static unsigned long rt5682_bclk_get_factor(unsigned long rate, unsigned long parent_rate) { … } static long rt5682_bclk_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { … } static int rt5682_bclk_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static const struct clk_ops rt5682_dai_clk_ops[RT5682_DAI_NUM_CLKS] = …; int rt5682_register_dai_clks(struct rt5682_priv *rt5682) { … } EXPORT_SYMBOL_GPL(…); #endif /* CONFIG_COMMON_CLK */ static int rt5682_probe(struct snd_soc_component *component) { … } static void rt5682_remove(struct snd_soc_component *component) { … } #ifdef CONFIG_PM static int rt5682_suspend(struct snd_soc_component *component) { … } static int rt5682_resume(struct snd_soc_component *component) { … } #else #define rt5682_suspend … #define rt5682_resume … #endif const struct snd_soc_dai_ops rt5682_aif1_dai_ops = …; EXPORT_SYMBOL_GPL(…); const struct snd_soc_dai_ops rt5682_aif2_dai_ops = …; EXPORT_SYMBOL_GPL(…); const struct snd_soc_component_driver rt5682_soc_component_dev = …; EXPORT_SYMBOL_GPL(…); int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev) { … } EXPORT_SYMBOL_GPL(…); int rt5682_get_ldo1(struct rt5682_priv *rt5682, struct device *dev) { … } EXPORT_SYMBOL_GPL(…); void rt5682_calibrate(struct rt5682_priv *rt5682) { … } EXPORT_SYMBOL_GPL(…); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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