diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2023-04-04 13:41:15 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-04-06 16:45:39 +0100 |
| commit | 17c9b6ec35c0d6228db4f94590702a0cb03cd96a (patch) | |
| tree | bfbd099389d9a5ea50246f289ef581cfa9fb5ca2 /include/sound/hda-mlink.h | |
| parent | 18227585d8374ce16d3a2792deb125794710de43 (diff) | |
ASoC: SOF: Intel: hda-mlink: add structures to parse ALT links
Extend hdac_ext_link to store information needed for ALT
links. Follow-up patches will include more functional patches for
power-up and down.
Note that this patch suggests the use of an 'eml_lock' to serialize
access to shared registers. SoundWire-specific sequence require the
lock to be taken at a higher level, as a result the helpers added in
follow-up patches will provide 'unlocked' versions when needed.
Also note that the low-level sequences with the 'hdaml_' prefix are
taken directly from the hardware specifications - naming conventions
included. The code will be split in two, with locking and linked-list
management handled separately to avoid mixing required hardware setup
and Linux-based resource management.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20230404104127.5629-7-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound/hda-mlink.h')
| -rw-r--r-- | include/sound/hda-mlink.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/sound/hda-mlink.h b/include/sound/hda-mlink.h index beef5f509e47..8048bf01c133 100644 --- a/include/sound/hda-mlink.h +++ b/include/sound/hda-mlink.h @@ -10,7 +10,7 @@ struct hdac_bus; #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_MLINK) -int hda_bus_ml_get_capabilities(struct hdac_bus *bus); +int hda_bus_ml_init(struct hdac_bus *bus); void hda_bus_ml_free(struct hdac_bus *bus); void hda_bus_ml_put_all(struct hdac_bus *bus); void hda_bus_ml_reset_losidv(struct hdac_bus *bus); @@ -20,7 +20,7 @@ int hda_bus_ml_suspend(struct hdac_bus *bus); #else static inline int -hda_bus_ml_get_capabilities(struct hdac_bus *bus) { return 0; } +hda_bus_ml_init(struct hdac_bus *bus) { return 0; } static inline void hda_bus_ml_free(struct hdac_bus *bus) { } static inline void hda_bus_ml_put_all(struct hdac_bus *bus) { } |