// SPDX-License-Identifier: GPL-2.0-only // // rt715-sdca.c -- rt715 ALSA SoC audio driver // // Copyright(c) 2020 Realtek Semiconductor Corp. // // // #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/pm_runtime.h> #include <linux/pm.h> #include <linux/soundwire/sdw.h> #include <linux/regmap.h> #include <linux/slab.h> #include <linux/platform_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/sdw.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> #include <linux/soundwire/sdw_registers.h> #include "rt715-sdca.h" static int rt715_sdca_index_write(struct rt715_sdca_priv *rt715, unsigned int nid, unsigned int reg, unsigned int value) { … } static int rt715_sdca_index_read(struct rt715_sdca_priv *rt715, unsigned int nid, unsigned int reg, unsigned int *value) { … } static int rt715_sdca_index_update_bits(struct rt715_sdca_priv *rt715, unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val) { … } static inline unsigned int rt715_sdca_vol_gain(unsigned int u_ctrl_val, unsigned int vol_max, unsigned int vol_gain_sft) { … } static inline unsigned int rt715_sdca_boost_gain(unsigned int u_ctrl_val, unsigned int b_max, unsigned int b_gain_sft) { … } static inline unsigned int rt715_sdca_get_gain(unsigned int reg_val, unsigned int gain_sft) { … } /* SDCA Volume/Boost control */ static int rt715_sdca_set_amp_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int rt715_sdca_set_amp_gain_4ch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int rt715_sdca_set_amp_gain_8ch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int rt715_sdca_set_amp_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int rt715_sdca_set_amp_gain_4ch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int rt715_sdca_set_amp_gain_8ch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0); static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); static int rt715_sdca_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int rt715_sdca_fu_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } #define RT715_SDCA_PR_VALUE(xreg_base, xcount, xmax, xshift, xinvert) … #define RT715_SDCA_FU_CTRL(xname, reg_base, xshift, xmax, xinvert, xcount) … #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ xhandler_get, xhandler_put) … #define RT715_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\ xhandler_put, tlv_array, xcount, xmax) … #define RT715_SDCA_BOOST_EXT_TLV(xname, reg_base, xhandler_get,\ xhandler_put, tlv_array, xcount, xmax) … static const struct snd_kcontrol_new rt715_sdca_snd_controls[] = …; static int rt715_sdca_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int rt715_sdca_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const char * const adc_22_23_mux_text[] = …; /* * Due to mux design for nid 24 (MUX_IN3)/25 (MUX_IN4), connection index 0 and * 1 will be connected to the same dmic source, therefore we skip index 1 to * avoid misunderstanding on usage of dapm routing. */ static int rt715_adc_24_25_values[] = …; static const char * const adc_24_mux_text[] = …; static const char * const adc_25_mux_text[] = …; static SOC_ENUM_SINGLE_DECL(rt715_adc22_enum, SND_SOC_NOPM, 0, adc_22_23_mux_text); static SOC_ENUM_SINGLE_DECL(rt715_adc23_enum, SND_SOC_NOPM, 0, adc_22_23_mux_text); static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum, SND_SOC_NOPM, 0, 0xf, adc_24_mux_text, rt715_adc_24_25_values); static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum, SND_SOC_NOPM, 0, 0xf, adc_25_mux_text, rt715_adc_24_25_values); static const struct snd_kcontrol_new rt715_adc22_mux = …; static const struct snd_kcontrol_new rt715_adc23_mux = …; static const struct snd_kcontrol_new rt715_adc24_mux = …; static const struct snd_kcontrol_new rt715_adc25_mux = …; static int rt715_sdca_pde23_24_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_soc_dapm_widget rt715_sdca_dapm_widgets[] = …; static const struct snd_soc_dapm_route rt715_sdca_audio_map[] = …; static int rt715_sdca_probe(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_codec_dev_rt715_sdca = …; static int rt715_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, int direction) { … } static void rt715_sdca_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int rt715_sdca_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } #define RT715_STEREO_RATES … #define RT715_FORMATS … static const struct snd_soc_dai_ops rt715_sdca_ops = …; static struct snd_soc_dai_driver rt715_sdca_dai[] = …; /* Bus clock frequency */ #define RT715_CLK_FREQ_9600000HZ … #define RT715_CLK_FREQ_12000000HZ … #define RT715_CLK_FREQ_6000000HZ … #define RT715_CLK_FREQ_4800000HZ … #define RT715_CLK_FREQ_2400000HZ … #define RT715_CLK_FREQ_12288000HZ … int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap, struct regmap *regmap, struct sdw_slave *slave) { … } int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave) { … } MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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