Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// HD-Audio helpers to sync with DRM driver
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#ifndef __SOUND_HDA_COMPONENT_H
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#define __SOUND_HDA_COMPONENT_H
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#include <drm/drm_audio_component.h>
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#include <sound/hdaudio.h>
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/* virtual idx for controller */
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#define HDA_CODEC_IDX_CONTROLLER HDA_MAX_CODECS
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#ifdef CONFIG_SND_HDA_COMPONENT
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int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
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void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx,
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bool enable);
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int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid,
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int dev_id, int rate);
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int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id,
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bool *audio_enabled, char *buffer, int max_bytes);
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int snd_hdac_acomp_init(struct hdac_bus *bus,
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const struct drm_audio_component_audio_ops *aops,
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int (*match_master)(struct device *, int, void *),
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size_t extra_size);
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int snd_hdac_acomp_exit(struct hdac_bus *bus);
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int snd_hdac_acomp_register_notifier(struct hdac_bus *bus,
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const struct drm_audio_component_audio_ops *ops);
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#else
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static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
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{
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return 0;
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}
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static inline void snd_hdac_display_power(struct hdac_bus *bus,
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unsigned int idx, bool enable)
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{
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}
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static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec,
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hda_nid_t nid, int dev_id, int rate)
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{
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return 0;
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}
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static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,
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int dev_id, bool *audio_enabled,
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char *buffer, int max_bytes)
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{
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return -ENODEV;
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}
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static inline int snd_hdac_acomp_init(struct hdac_bus *bus,
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const struct drm_audio_component_audio_ops *aops,
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int (*match_master)(struct device *,
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int, void *),
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size_t extra_size)
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{
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return -ENODEV;
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}
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static inline int snd_hdac_acomp_exit(struct hdac_bus *bus)
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{
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return 0;
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}
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static inline int snd_hdac_acomp_register_notifier(struct hdac_bus *bus,
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const struct drm_audio_component_audio_ops *ops)
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{
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return -ENODEV;
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}
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#endif
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#endif /* __SOUND_HDA_COMPONENT_H */
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