mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
8857c7d065
Since we need multiple components for I915 for different purposes (Audio & Mei_hdcp), we adopt the subcomponents methodology introduced by the previous patch (mentioned below). Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Jan 28 17:08:20 2019 +0530 components: multiple components for a device Reviewed-by: Takashi Iwai <tiwai@suse.de> Signed-off-by-by: Ramalingam C <ramalinagm.c@intel.com> (commit message) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> (code) cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: Russell King <rmk+kernel@arm.linux.org.uk> cc: Rafael J. Wysocki <rafael@kernel.org> cc: Jaroslav Kysela <perex@perex.cz> cc: Takashi Iwai <tiwai@suse.com> cc: Rodrigo Vivi <rodrigo.vivi@intel.com> cc: Jani Nikula <jani.nikula@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190207232759.14553-4-daniel.vetter@ffwll.ch
67 lines
2 KiB
C
67 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
// HD-Audio helpers to sync with DRM driver
|
|
|
|
#ifndef __SOUND_HDA_COMPONENT_H
|
|
#define __SOUND_HDA_COMPONENT_H
|
|
|
|
#include <drm/drm_audio_component.h>
|
|
#include <sound/hdaudio.h>
|
|
|
|
/* virtual idx for controller */
|
|
#define HDA_CODEC_IDX_CONTROLLER HDA_MAX_CODECS
|
|
|
|
#ifdef CONFIG_SND_HDA_COMPONENT
|
|
int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
|
|
void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx,
|
|
bool enable);
|
|
int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid,
|
|
int dev_id, int rate);
|
|
int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id,
|
|
bool *audio_enabled, char *buffer, int max_bytes);
|
|
int snd_hdac_acomp_init(struct hdac_bus *bus,
|
|
const struct drm_audio_component_audio_ops *aops,
|
|
int (*match_master)(struct device *, int, void *),
|
|
size_t extra_size);
|
|
int snd_hdac_acomp_exit(struct hdac_bus *bus);
|
|
int snd_hdac_acomp_register_notifier(struct hdac_bus *bus,
|
|
const struct drm_audio_component_audio_ops *ops);
|
|
#else
|
|
static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline void snd_hdac_display_power(struct hdac_bus *bus,
|
|
unsigned int idx, bool enable)
|
|
{
|
|
}
|
|
static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec,
|
|
hda_nid_t nid, int dev_id, int rate)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,
|
|
int dev_id, bool *audio_enabled,
|
|
char *buffer, int max_bytes)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
static inline int snd_hdac_acomp_init(struct hdac_bus *bus,
|
|
const struct drm_audio_component_audio_ops *aops,
|
|
int (*match_master)(struct device *,
|
|
int, void *),
|
|
size_t extra_size)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
static inline int snd_hdac_acomp_exit(struct hdac_bus *bus)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int snd_hdac_acomp_register_notifier(struct hdac_bus *bus,
|
|
const struct drm_audio_component_audio_ops *ops)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __SOUND_HDA_COMPONENT_H */
|