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1// SPDX-License-Identifier: GPL-2.02// HD-Audio helpers to sync with DRM driver3 4#ifndef __SOUND_HDA_COMPONENT_H5#define __SOUND_HDA_COMPONENT_H6 7#include <drm/drm_audio_component.h>8#include <sound/hdaudio.h>9 10/* virtual idx for controller */11#define HDA_CODEC_IDX_CONTROLLER HDA_MAX_CODECS12 13#ifdef CONFIG_SND_HDA_COMPONENT14int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);15void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx,16 bool enable);17int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid,18 int dev_id, int rate);19int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id,20 bool *audio_enabled, char *buffer, int max_bytes);21int snd_hdac_acomp_init(struct hdac_bus *bus,22 const struct drm_audio_component_audio_ops *aops,23 int (*match_master)(struct device *, int, void *),24 size_t extra_size);25int snd_hdac_acomp_exit(struct hdac_bus *bus);26int snd_hdac_acomp_register_notifier(struct hdac_bus *bus,27 const struct drm_audio_component_audio_ops *ops);28#else29static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)30{31 return 0;32}33static inline void snd_hdac_display_power(struct hdac_bus *bus,34 unsigned int idx, bool enable)35{36}37static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec,38 hda_nid_t nid, int dev_id, int rate)39{40 return 0;41}42static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,43 int dev_id, bool *audio_enabled,44 char *buffer, int max_bytes)45{46 return -ENODEV;47}48static inline int snd_hdac_acomp_init(struct hdac_bus *bus,49 const struct drm_audio_component_audio_ops *aops,50 int (*match_master)(struct device *,51 int, void *),52 size_t extra_size)53{54 return -ENODEV;55}56static inline int snd_hdac_acomp_exit(struct hdac_bus *bus)57{58 return 0;59}60static inline int snd_hdac_acomp_register_notifier(struct hdac_bus *bus,61 const struct drm_audio_component_audio_ops *ops)62{63 return -ENODEV;64}65#endif66 67#endif /* __SOUND_HDA_COMPONENT_H */68