cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hda_component.h (2085B)

      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
     14int 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#else
     29static 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#endif
     66
     67#endif /* __SOUND_HDA_COMPONENT_H */