// SPDX-License-Identifier: GPL-2.0-only /* * rt5651.c -- RT5651 ALSA SoC audio codec driver * * Copyright 2014 Realtek Semiconductor Corp. * Author: Bard Liao <[email protected]> */ #include <linux/module.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/acpi.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 <sound/jack.h> #include "rl6231.h" #include "rt5651.h" #define RT5651_DEVICE_ID_VALUE … #define RT5651_PR_RANGE_BASE … #define RT5651_PR_SPACING … #define RT5651_PR_BASE … static const struct regmap_range_cfg rt5651_ranges[] = …; static const struct reg_sequence init_list[] = …; static const struct reg_default rt5651_reg[] = …; static bool rt5651_volatile_register(struct device *dev, unsigned int reg) { … } static bool rt5651_readable_register(struct device *dev, unsigned int reg) { … } static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -4650, 150, 0); static const DECLARE_TLV_DB_MINMAX(dac_vol_tlv, -6562, 0); static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0); static const DECLARE_TLV_DB_MINMAX(adc_vol_tlv, -1762, 3000); 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 rt5651_data_select[] = …; static SOC_ENUM_SINGLE_DECL(rt5651_if2_dac_enum, RT5651_DIG_INF_DATA, RT5651_IF2_DAC_SEL_SFT, rt5651_data_select); static SOC_ENUM_SINGLE_DECL(rt5651_if2_adc_enum, RT5651_DIG_INF_DATA, RT5651_IF2_ADC_SEL_SFT, rt5651_data_select); static const struct snd_kcontrol_new rt5651_snd_controls[] = …; /** * set_dmic_clk - Set parameter of dmic. * * @w: DAPM widget. * @kcontrol: The kcontrol of this widget. * @event: Event id. * */ static int set_dmic_clk(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } /* Digital Mixer */ static const struct snd_kcontrol_new rt5651_sto1_adc_l_mix[] = …; static const struct snd_kcontrol_new rt5651_sto1_adc_r_mix[] = …; static const struct snd_kcontrol_new rt5651_sto2_adc_l_mix[] = …; static const struct snd_kcontrol_new rt5651_sto2_adc_r_mix[] = …; static const struct snd_kcontrol_new rt5651_dac_l_mix[] = …; static const struct snd_kcontrol_new rt5651_dac_r_mix[] = …; static const struct snd_kcontrol_new rt5651_sto_dac_l_mix[] = …; static const struct snd_kcontrol_new rt5651_sto_dac_r_mix[] = …; static const struct snd_kcontrol_new rt5651_dd_dac_l_mix[] = …; static const struct snd_kcontrol_new rt5651_dd_dac_r_mix[] = …; /* Analog Input Mixer */ static const struct snd_kcontrol_new rt5651_rec_l_mix[] = …; static const struct snd_kcontrol_new rt5651_rec_r_mix[] = …; /* Analog Output Mixer */ static const struct snd_kcontrol_new rt5651_out_l_mix[] = …; static const struct snd_kcontrol_new rt5651_out_r_mix[] = …; static const struct snd_kcontrol_new rt5651_hpo_mix[] = …; static const struct snd_kcontrol_new rt5651_lout_mix[] = …; static const struct snd_kcontrol_new outvol_l_control = …; static const struct snd_kcontrol_new outvol_r_control = …; static const struct snd_kcontrol_new lout_l_mute_control = …; static const struct snd_kcontrol_new lout_r_mute_control = …; static const struct snd_kcontrol_new hpovol_l_control = …; static const struct snd_kcontrol_new hpovol_r_control = …; static const struct snd_kcontrol_new hpo_l_mute_control = …; static const struct snd_kcontrol_new hpo_r_mute_control = …; /* Stereo ADC source */ static const char * const rt5651_stereo1_adc1_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5651_stereo1_adc1_enum, RT5651_STO1_ADC_MIXER, RT5651_STO1_ADC_1_SRC_SFT, rt5651_stereo1_adc1_src); static const struct snd_kcontrol_new rt5651_sto1_adc_l1_mux = …; static const struct snd_kcontrol_new rt5651_sto1_adc_r1_mux = …; static const char * const rt5651_stereo1_adc2_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5651_stereo1_adc2_enum, RT5651_STO1_ADC_MIXER, RT5651_STO1_ADC_2_SRC_SFT, rt5651_stereo1_adc2_src); static const struct snd_kcontrol_new rt5651_sto1_adc_l2_mux = …; static const struct snd_kcontrol_new rt5651_sto1_adc_r2_mux = …; /* Mono ADC source */ static const char * const rt5651_sto2_adc_l1_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5651_sto2_adc_l1_enum, RT5651_STO1_ADC_MIXER, RT5651_STO2_ADC_L1_SRC_SFT, rt5651_sto2_adc_l1_src); static const struct snd_kcontrol_new rt5651_sto2_adc_l1_mux = …; static const char * const rt5651_sto2_adc_l2_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5651_sto2_adc_l2_enum, RT5651_STO1_ADC_MIXER, RT5651_STO2_ADC_L2_SRC_SFT, rt5651_sto2_adc_l2_src); static const struct snd_kcontrol_new rt5651_sto2_adc_l2_mux = …; static const char * const rt5651_sto2_adc_r1_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5651_sto2_adc_r1_enum, RT5651_STO1_ADC_MIXER, RT5651_STO2_ADC_R1_SRC_SFT, rt5651_sto2_adc_r1_src); static const struct snd_kcontrol_new rt5651_sto2_adc_r1_mux = …; static const char * const rt5651_sto2_adc_r2_src[] = …; static SOC_ENUM_SINGLE_DECL( rt5651_sto2_adc_r2_enum, RT5651_STO1_ADC_MIXER, RT5651_STO2_ADC_R2_SRC_SFT, rt5651_sto2_adc_r2_src); static const struct snd_kcontrol_new rt5651_sto2_adc_r2_mux = …; /* DAC2 channel source */ static const char * const rt5651_dac_src[] = …; static SOC_ENUM_SINGLE_DECL(rt5651_dac_l2_enum, RT5651_DAC2_CTRL, RT5651_SEL_DAC_L2_SFT, rt5651_dac_src); static const struct snd_kcontrol_new rt5651_dac_l2_mux = …; static SOC_ENUM_SINGLE_DECL( rt5651_dac_r2_enum, RT5651_DAC2_CTRL, RT5651_SEL_DAC_R2_SFT, rt5651_dac_src); static const struct snd_kcontrol_new rt5651_dac_r2_mux = …; /* IF2_ADC channel source */ static const char * const rt5651_adc_src[] = …; static SOC_ENUM_SINGLE_DECL(rt5651_if2_adc_src_enum, RT5651_DIG_INF_DATA, RT5651_IF2_ADC_SRC_SFT, rt5651_adc_src); static const struct snd_kcontrol_new rt5651_if2_adc_src_mux = …; /* PDM select */ static const char * const rt5651_pdm_sel[] = …; static SOC_ENUM_SINGLE_DECL( rt5651_pdm_l_sel_enum, RT5651_PDM_CTL, RT5651_PDM_L_SEL_SFT, rt5651_pdm_sel); static SOC_ENUM_SINGLE_DECL( rt5651_pdm_r_sel_enum, RT5651_PDM_CTL, RT5651_PDM_R_SEL_SFT, rt5651_pdm_sel); static const struct snd_kcontrol_new rt5651_pdm_l_mux = …; static const struct snd_kcontrol_new rt5651_pdm_r_mux = …; static int rt5651_amp_power_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int rt5651_hp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int rt5651_hp_post_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int rt5651_bst1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int rt5651_bst2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int rt5651_bst3_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_soc_dapm_widget rt5651_dapm_widgets[] = …; static const struct snd_soc_dapm_route rt5651_dapm_routes[] = …; static int rt5651_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int rt5651_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int rt5651_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int rt5651_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { … } static int rt5651_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static void rt5651_enable_micbias1_for_ovcd(struct snd_soc_component *component) { … } static void rt5651_disable_micbias1_for_ovcd(struct snd_soc_component *component) { … } static void rt5651_enable_micbias1_ovcd_irq(struct snd_soc_component *component) { … } static void rt5651_disable_micbias1_ovcd_irq(struct snd_soc_component *component) { … } static void rt5651_clear_micbias1_ovcd(struct snd_soc_component *component) { … } static bool rt5651_micbias1_ovcd(struct snd_soc_component *component) { … } static bool rt5651_jack_inserted(struct snd_soc_component *component) { … } /* Jack detect and button-press timings */ #define JACK_SETTLE_TIME … #define JACK_DETECT_COUNT … #define JACK_DETECT_MAXCOUNT … #define JACK_UNPLUG_TIME … #define BP_POLL_TIME … #define BP_POLL_MAXCOUNT … #define BP_THRESHOLD … static void rt5651_start_button_press_work(struct snd_soc_component *component) { … } static void rt5651_button_press_work(struct work_struct *work) { … } static int rt5651_detect_headset(struct snd_soc_component *component) { … } static bool rt5651_support_button_press(struct rt5651_priv *rt5651) { … } static void rt5651_jack_detect_work(struct work_struct *work) { … } static irqreturn_t rt5651_irq(int irq, void *data) { … } static void rt5651_cancel_work(void *data) { … } static void rt5651_enable_jack_detect(struct snd_soc_component *component, struct snd_soc_jack *hp_jack, struct gpio_desc *gpiod_hp_det) { … } static void rt5651_disable_jack_detect(struct snd_soc_component *component) { … } static int rt5651_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jack, void *data) { … } /* * Note on some platforms the platform code may need to add device-properties, * rather then relying only on properties set by the firmware. Therefor the * property parsing MUST be done from the component driver's probe function, * rather then from the i2c driver's probe function, so that the platform-code * can attach extra properties before calling snd_soc_register_card(). */ static void rt5651_apply_properties(struct snd_soc_component *component) { … } static int rt5651_probe(struct snd_soc_component *component) { … } #ifdef CONFIG_PM static int rt5651_suspend(struct snd_soc_component *component) { … } static int rt5651_resume(struct snd_soc_component *component) { … } #else #define rt5651_suspend … #define rt5651_resume … #endif #define RT5651_STEREO_RATES … #define RT5651_FORMATS … static const struct snd_soc_dai_ops rt5651_aif_dai_ops = …; static struct snd_soc_dai_driver rt5651_dai[] = …; static const struct snd_soc_component_driver soc_component_dev_rt5651 = …; static const struct regmap_config rt5651_regmap = …; #if defined(CONFIG_OF) static const struct of_device_id rt5651_of_match[] = …; MODULE_DEVICE_TABLE(of, rt5651_of_match); #endif #ifdef CONFIG_ACPI static const struct acpi_device_id rt5651_acpi_match[] = …; MODULE_DEVICE_TABLE(acpi, rt5651_acpi_match); #endif static const struct i2c_device_id rt5651_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, rt5651_i2c_id); /* * Note this function MUST not look at device-properties, see the comment * above rt5651_apply_properties(). */ static int rt5651_i2c_probe(struct i2c_client *i2c) { … } static struct i2c_driver rt5651_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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