/* SPDX-License-Identifier: GPL-2.0 * * linux/sound/soc.h -- ALSA SoC Layer * * Author: Liam Girdwood * Created: Aug 11th 2005 * Copyright: Wolfson Microelectronics. PLC. */ #ifndef __LINUX_SND_SOC_H #define __LINUX_SND_SOC_H #include <linux/args.h> #include <linux/array_size.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/lockdep.h> #include <linux/log2.h> #include <linux/mutex.h> #include <linux/notifier.h> #include <linux/of.h> #include <linux/types.h> #include <linux/workqueue.h> #include <sound/ac97_codec.h> #include <sound/compress_driver.h> #include <sound/control.h> #include <sound/core.h> #include <sound/pcm.h> struct module; struct platform_device; /* For the current users of sound/soc.h to avoid build issues */ #include <linux/platform_device.h> #include <linux/regmap.h> /* * Convenience kcontrol builders */ #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) … #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) … #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) … #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) … #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) … #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) … #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) … #define SOC_SINGLE(xname, reg, shift, max, invert) … #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) … #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) … #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) … #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) … #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) … #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) … #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) … #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ xmax, xinvert) … #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) … #define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) … #define SOC_DOUBLE_RANGE_TLV(xname, xreg, xshift_left, xshift_right, xmin, xmax, \ xinvert, tlv_array) … #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) … #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ xmax, xinvert, tlv_array) … #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) … #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) … #define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) … #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) … #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) … #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) … #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) … #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) … #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) … #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) … #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) … #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) … #define SOC_ENUM(xname, xenum) … #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ xhandler_get, xhandler_put) … #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ xhandler_get, xhandler_put) … #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ xhandler_get, xhandler_put) … #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ xhandler_get, xhandler_put, tlv_array) … #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ xhandler_get, xhandler_put, tlv_array) … #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ xhandler_get, xhandler_put, tlv_array) … #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ xhandler_get, xhandler_put, tlv_array) … #define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \ xsign_bit, xinvert, xhandler_get, xhandler_put, \ tlv_array) … #define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \ xsign_bit, xinvert, xhandler_get, xhandler_put, \ tlv_array) … #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) … #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) … #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) … #define SND_SOC_BYTES(xname, xbase, xregs) … #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) … #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) … /* * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead */ #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) … #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) … #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ xmin, xmax, xinvert) … #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) … /* * Simplified versions of above macros, declaring a struct and calculating * ARRAY_SIZE internally */ #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) … #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) … #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) … #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) … #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) … #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) … #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) … struct snd_jack; struct snd_soc_card; struct snd_soc_pcm_stream; struct snd_soc_ops; struct snd_soc_pcm_runtime; struct snd_soc_dai; struct snd_soc_dai_driver; struct snd_soc_dai_link; struct snd_soc_component; struct snd_soc_component_driver; struct soc_enum; struct snd_soc_jack; struct snd_soc_jack_zone; struct snd_soc_jack_pin; #include <sound/soc-dapm.h> #include <sound/soc-dpcm.h> #include <sound/soc-topology.h> struct snd_soc_jack_gpio; enum snd_soc_pcm_subclass { … }; int snd_soc_register_card(struct snd_soc_card *card); void snd_soc_unregister_card(struct snd_soc_card *card); int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); #ifdef CONFIG_PM_SLEEP int snd_soc_suspend(struct device *dev); int snd_soc_resume(struct device *dev); #else static inline int snd_soc_suspend(struct device *dev) { return 0; } static inline int snd_soc_resume(struct device *dev) { return 0; } #endif int snd_soc_poweroff(struct device *dev); int snd_soc_component_initialize(struct snd_soc_component *component, const struct snd_soc_component_driver *driver, struct device *dev); int snd_soc_add_component(struct snd_soc_component *component, struct snd_soc_dai_driver *dai_drv, int num_dai); int snd_soc_register_component(struct device *dev, const struct snd_soc_component_driver *component_driver, struct snd_soc_dai_driver *dai_drv, int num_dai); int devm_snd_soc_register_component(struct device *dev, const struct snd_soc_component_driver *component_driver, struct snd_soc_dai_driver *dai_drv, int num_dai); void snd_soc_unregister_component(struct device *dev); void snd_soc_unregister_component_by_driver(struct device *dev, const struct snd_soc_component_driver *component_driver); struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev, const char *driver_name); struct snd_soc_component *snd_soc_lookup_component(struct device *dev, const char *driver_name); int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); #ifdef CONFIG_SND_SOC_COMPRESS int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); #else static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) { return 0; } #endif void snd_soc_disconnect_sync(struct device *dev); struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link); bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd, int stream, int action); static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream) { … } static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream) { … } int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hardware *hw, int stream); int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, unsigned int dai_fmt); #ifdef CONFIG_DMI int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); #else static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour) { return 0; } #endif /* Utility functions to get clock rates from various things */ int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, int tdm_width, int tdm_slots, int slot_multiple); /* set runtime hw params */ int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, const struct snd_pcm_hardware *hw); struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, unsigned int id, unsigned int id_mask); void snd_soc_free_ac97_component(struct snd_ac97 *ac97); #ifdef CONFIG_SND_SOC_AC97_BUS int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, struct platform_device *pdev); extern struct snd_ac97_bus_ops *soc_ac97_ops; #else static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, struct platform_device *pdev) { return 0; } static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) { return 0; } #endif /* *Controls */ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, void *data, const char *long_name, const char *prefix); int snd_soc_add_component_controls(struct snd_soc_component *component, const struct snd_kcontrol_new *controls, unsigned int num_controls); int snd_soc_add_card_controls(struct snd_soc_card *soc_card, const struct snd_kcontrol_new *controls, int num_controls); int snd_soc_add_dai_controls(struct snd_soc_dai *dai, const struct snd_kcontrol_new *controls, int num_controls); int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); #define snd_soc_info_bool_ext … int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); #define snd_soc_get_volsw_2r … #define snd_soc_put_volsw_2r … int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_limit_volume(struct snd_soc_card *card, const char *name, int max); int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *ucontrol); int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *tlv); int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); enum snd_soc_trigger_order { … }; /* SoC PCM stream information */ struct snd_soc_pcm_stream { … }; /* SoC audio ops */ struct snd_soc_ops { … }; struct snd_soc_compr_ops { … }; struct snd_soc_component* snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, const char *driver_name); struct snd_soc_dai_link_component { … }; /* * [dai_link->ch_maps Image sample] * *------------------------- * CPU0 <---> Codec0 * * ch-map[0].cpu = 0 ch-map[0].codec = 0 * *------------------------- * CPU0 <---> Codec0 * CPU1 <---> Codec1 * CPU2 <---> Codec2 * * ch-map[0].cpu = 0 ch-map[0].codec = 0 * ch-map[1].cpu = 1 ch-map[1].codec = 1 * ch-map[2].cpu = 2 ch-map[2].codec = 2 * *------------------------- * CPU0 <---> Codec0 * CPU1 <-+-> Codec1 * CPU2 <-/ * * ch-map[0].cpu = 0 ch-map[0].codec = 0 * ch-map[1].cpu = 1 ch-map[1].codec = 1 * ch-map[2].cpu = 2 ch-map[2].codec = 1 * *------------------------- * CPU0 <---> Codec0 * CPU1 <-+-> Codec1 * \-> Codec2 * * ch-map[0].cpu = 0 ch-map[0].codec = 0 * ch-map[1].cpu = 1 ch-map[1].codec = 1 * ch-map[2].cpu = 1 ch-map[2].codec = 2 * */ struct snd_soc_dai_link_ch_map { … }; struct snd_soc_dai_link { … }; static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) { … } static inline struct snd_soc_dai_link_component* snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) { … } static inline struct snd_soc_dai_link_component* snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) { … } static inline struct snd_soc_dai_link_component* snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) { … } #define for_each_link_codecs(link, i, codec) … #define for_each_link_platforms(link, i, platform) … #define for_each_link_cpus(link, i, cpu) … #define for_each_link_ch_maps(link, i, ch_map) … /* * Sample 1 : Single CPU/Codec/Platform * * SND_SOC_DAILINK_DEFS(test, * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); * * struct snd_soc_dai_link link = { * ... * SND_SOC_DAILINK_REG(test), * }; * * Sample 2 : Multi CPU/Codec, no Platform * * SND_SOC_DAILINK_DEFS(test, * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), * COMP_CPU("cpu_dai2")), * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), * COMP_CODEC("codec2", "codec_dai2"))); * * struct snd_soc_dai_link link = { * ... * SND_SOC_DAILINK_REG(test), * }; * * Sample 3 : Define each CPU/Codec/Platform manually * * SND_SOC_DAILINK_DEF(test_cpu, * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), * COMP_CPU("cpu_dai2"))); * SND_SOC_DAILINK_DEF(test_codec, * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), * COMP_CODEC("codec2", "codec_dai2"))); * SND_SOC_DAILINK_DEF(test_platform, * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); * * struct snd_soc_dai_link link = { * ... * SND_SOC_DAILINK_REG(test_cpu, * test_codec, * test_platform), * }; * * Sample 4 : Sample3 without platform * * struct snd_soc_dai_link link = { * ... * SND_SOC_DAILINK_REG(test_cpu, * test_codec); * }; */ #define SND_SOC_DAILINK_REG1(name) … #define SND_SOC_DAILINK_REG2(cpu, codec) … #define SND_SOC_DAILINK_REG3(cpu, codec, platform) … #define SND_SOC_DAILINK_REG(...) … #define SND_SOC_DAILINK_DEF(name, def...) … #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) … #define DAILINK_COMP_ARRAY(param...) … #define COMP_EMPTY() … #define COMP_CPU(_dai) … #define COMP_CODEC(_name, _dai) … #define COMP_PLATFORM(_name) … #define COMP_AUX(_name) … #define COMP_CODEC_CONF(_name) … #define COMP_DUMMY() … extern struct snd_soc_dai_link_component null_dailink_component[0]; extern struct snd_soc_dai_link_component snd_soc_dummy_dlc; struct snd_soc_codec_conf { … }; struct snd_soc_aux_dev { … }; /* SoC card */ struct snd_soc_card { … }; #define for_each_card_prelinks(card, i, link) … #define for_each_card_pre_auxs(card, i, aux) … #define for_each_card_rtds(card, rtd) … #define for_each_card_rtds_safe(card, rtd, _rtd) … #define for_each_card_auxs(card, component) … #define for_each_card_auxs_safe(card, component, _comp) … #define for_each_card_components(card, component) … #define for_each_card_dapms(card, dapm) … #define for_each_card_widgets(card, w) … #define for_each_card_widgets_safe(card, w, _w) … static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card) { … } /* SoC machine DAI configuration, glues a codec and cpu DAI together */ struct snd_soc_pcm_runtime { … }; /* see soc_new_pcm_runtime() */ #define snd_soc_rtd_to_cpu(rtd, n) … #define snd_soc_rtd_to_codec(rtd, n) … static inline struct snd_soc_pcm_runtime * snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream) { … } #define for_each_rtd_components(rtd, i, component) … #define for_each_rtd_cpu_dais(rtd, i, dai) … #define for_each_rtd_codec_dais(rtd, i, dai) … #define for_each_rtd_dais(rtd, i, dai) … #define for_each_rtd_dais_reverse(rtd, i, dai) … #define for_each_rtd_ch_maps(rtd, i, ch_maps) … void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); /* mixer control */ struct soc_mixer_control { … }; struct soc_bytes { … }; struct soc_bytes_ext { … }; /* multi register control */ struct soc_mreg_control { … }; /* enumerated kcontrol */ struct soc_enum { … }; static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) { … } static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, unsigned int val) { … } static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, unsigned int item) { … } /** * snd_soc_kcontrol_component() - Returns the component that registered the * control * @kcontrol: The control for which to get the component * * Note: This function will work correctly if the control has been registered * for a component. With snd_soc_add_codec_controls() or via table based * setup for either a CODEC or component driver. Otherwise the behavior is * undefined. */ static inline struct snd_soc_component *snd_soc_kcontrol_component( struct snd_kcontrol *kcontrol) { … } int snd_soc_util_init(void); void snd_soc_util_exit(void); int snd_soc_of_parse_card_name(struct snd_soc_card *card, const char *propname); int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, const char *propname); int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop); int snd_soc_of_get_slot_mask(struct device_node *np, const char *prop_name, unsigned int *mask); int snd_soc_of_parse_tdm_slot(struct device_node *np, unsigned int *tx_mask, unsigned int *rx_mask, unsigned int *slots, unsigned int *slot_width); void snd_soc_of_parse_node_prefix(struct device_node *np, struct snd_soc_codec_conf *codec_conf, struct device_node *of_node, const char *propname); static inline void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, struct snd_soc_codec_conf *codec_conf, struct device_node *of_node, const char *propname) { … } int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, const char *propname); int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname); unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt); unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame); unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix); unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, const char *prefix, struct device_node **bitclkmaster, struct device_node **framemaster); #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) … #define snd_soc_daifmt_parse_clock_provider_as_phandle … #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) … int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); int snd_soc_get_dlc(const struct of_phandle_args *args, struct snd_soc_dai_link_component *dlc); int snd_soc_of_get_dlc(struct device_node *of_node, struct of_phandle_args *args, struct snd_soc_dai_link_component *dlc, int index); int snd_soc_get_dai_id(struct device_node *ep); int snd_soc_get_dai_name(const struct of_phandle_args *args, const char **dai_name); int snd_soc_of_get_dai_name(struct device_node *of_node, const char **dai_name, int index); int snd_soc_of_get_dai_link_codecs(struct device *dev, struct device_node *of_node, struct snd_soc_dai_link *dai_link); void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); int snd_soc_of_get_dai_link_cpus(struct device *dev, struct device_node *of_node, struct snd_soc_dai_link *dai_link); void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link); int snd_soc_add_pcm_runtimes(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link, int num_dai_link); void snd_soc_remove_pcm_runtime(struct snd_soc_card *card, struct snd_soc_pcm_runtime *rtd); void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, struct snd_soc_dai_link_component *cpus); struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, const struct of_phandle_args *args); struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args); struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component, struct snd_soc_dai_driver *dai_drv, bool legacy_dai_naming); struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev, struct snd_soc_component *component, struct snd_soc_dai_driver *dai_drv, bool legacy_dai_naming); void snd_soc_unregister_dai(struct snd_soc_dai *dai); struct snd_soc_dai *snd_soc_find_dai( const struct snd_soc_dai_link_component *dlc); struct snd_soc_dai *snd_soc_find_dai_with_mutex( const struct snd_soc_dai_link_component *dlc); #include <sound/soc-dai.h> static inline int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, const char *platform_name) { … } #ifdef CONFIG_DEBUG_FS extern struct dentry *snd_soc_debugfs_root; #endif extern const struct dev_pm_ops snd_soc_pm_ops; /* * DAPM helper functions */ enum snd_soc_dapm_subclass { … }; static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) { … } static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) { … } static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) { … } static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) { … } static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) { … } static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) { … } static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) { … } static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) { … } #define snd_soc_dapm_mutex_lock_root(x) … #define snd_soc_dapm_mutex_lock(x) … #define snd_soc_dapm_mutex_unlock(x) … #define snd_soc_dapm_mutex_assert_held(x) … /* * PCM helper functions */ static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) { … } static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) { … } static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) { … } static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) { … } static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) { … } static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) { … } #define snd_soc_dpcm_mutex_lock(x) … #define snd_soc_dpcm_mutex_unlock(x) … #define snd_soc_dpcm_mutex_assert_held(x) … #include <sound/soc-component.h> #include <sound/soc-card.h> #include <sound/soc-jack.h> #endif
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