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| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | // HD-Audio helpers to sync with DRM driver |
| 3 | |
| 4 | #ifndef __SOUND_HDA_COMPONENT_H |
| 5 | #define __SOUND_HDA_COMPONENT_H |
| 6 | |
| 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_CODECS |
| 12 | |
| 13 | #ifdef CONFIG_SND_HDA_COMPONENT |
| 14 | int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable); |
| 15 | void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx, |
| 16 | bool enable); |
| 17 | int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid, |
| 18 | int dev_id, int rate); |
| 19 | int 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); |
| 21 | int 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); |
| 25 | int snd_hdac_acomp_exit(struct hdac_bus *bus); |
| 26 | int snd_hdac_acomp_register_notifier(struct hdac_bus *bus, |
| 27 | const struct drm_audio_component_audio_ops *ops); |
| 28 | #else |
| 29 | static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable) |
| 30 | { |
| 31 | return 0; |
| 32 | } |
| 33 | static inline void snd_hdac_display_power(struct hdac_bus *bus, |
| 34 | unsigned int idx, bool enable) |
| 35 | { |
| 36 | } |
| 37 | static 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 | } |
| 42 | static 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 | } |
| 48 | static 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 | } |
| 56 | static inline int snd_hdac_acomp_exit(struct hdac_bus *bus) |
| 57 | { |
| 58 | return 0; |
| 59 | } |
| 60 | static 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 | #endif |
| 66 | |
| 67 | #endif /* __SOUND_HDA_COMPONENT_H */ |
| 68 |
Warning: This file is not a C or C++ file. It does not have highlighting.