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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
9#ifdef CONFIG_SND_HDA_COMPONENT
10int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
11int snd_hdac_display_power(struct hdac_bus *bus, bool enable);
12int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid,
13 int dev_id, int rate);
14int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id,
15 bool *audio_enabled, char *buffer, int max_bytes);
16int snd_hdac_acomp_init(struct hdac_bus *bus,
17 const struct drm_audio_component_audio_ops *aops,
18 int (*match_master)(struct device *, void *),
19 size_t extra_size);
20int snd_hdac_acomp_exit(struct hdac_bus *bus);
21int snd_hdac_acomp_register_notifier(struct hdac_bus *bus,
22 const struct drm_audio_component_audio_ops *ops);
23#else
24static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
25{
26 return 0;
27}
28static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
29{
30 return 0;
31}
32static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec,
33 hda_nid_t nid, int dev_id, int rate)
34{
35 return 0;
36}
37static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,
38 int dev_id, bool *audio_enabled,
39 char *buffer, int max_bytes)
40{
41 return -ENODEV;
42}
43static inline int snd_hdac_acomp_init(struct hdac_bus *bus,
44 const struct drm_audio_component_audio_ops *aops,
45 int (*match_master)(struct device *, void *),
46 size_t extra_size)
47{
48 return -ENODEV;
49}
50static inline int snd_hdac_acomp_exit(struct hdac_bus *bus)
51{
52 return 0;
53}
54static inline int snd_hdac_acomp_register_notifier(struct hdac_bus *bus,
55 const struct drm_audio_component_audio_ops *ops)
56{
57 return -ENODEV;
58}
59#endif
60
61#endif /* __SOUND_HDA_COMPONENT_H */