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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2023-04-04 12:41:25 +0200
committerMark Brown <broonie@kernel.org>2023-04-06 17:45:48 +0200
commit2b864e969be29958eb810fb611d1eac50eb7104b (patch)
tree0341bff0d76eeafa6b422133b7410db1b85d86e0
parentASoC: SOF: Intel: hda-mlink: program SoundWire LSDIID registers (diff)
downloadlinux-2b864e969be29958eb810fb611d1eac50eb7104b.tar.xz
linux-2b864e969be29958eb810fb611d1eac50eb7104b.zip
ASoC: SOF: Intel: hda-mlink: add helpers to retrieve DMIC/SSP hlink
Small helpers to make DAI ops simpler. 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/20230404104127.5629-17-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--include/sound/hda-mlink.h10
-rw-r--r--sound/soc/sof/intel/hda-mlink.c24
2 files changed, 34 insertions, 0 deletions
diff --git a/include/sound/hda-mlink.h b/include/sound/hda-mlink.h
index d626ef964ea7..bfd2c77c184d 100644
--- a/include/sound/hda-mlink.h
+++ b/include/sound/hda-mlink.h
@@ -7,6 +7,7 @@
*/
struct hdac_bus;
+struct hdac_ext_link;
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_MLINK)
@@ -48,6 +49,9 @@ void hda_bus_ml_reset_losidv(struct hdac_bus *bus);
int hda_bus_ml_resume(struct hdac_bus *bus);
int hda_bus_ml_suspend(struct hdac_bus *bus);
+struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus);
+struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus);
+
#else
static inline int
@@ -141,4 +145,10 @@ static inline void hda_bus_ml_reset_losidv(struct hdac_bus *bus) { }
static inline int hda_bus_ml_resume(struct hdac_bus *bus) { return 0; }
static inline int hda_bus_ml_suspend(struct hdac_bus *bus) { return 0; }
+static inline struct hdac_ext_link *
+hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus) { return NULL; }
+
+static inline struct hdac_ext_link *
+hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) { return NULL; }
+
#endif /* CONFIG_SND_SOC_SOF_HDA */
diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c
index 5810d6f8719c..06613c081410 100644
--- a/sound/soc/sof/intel/hda-mlink.c
+++ b/sound/soc/sof/intel/hda-mlink.c
@@ -788,6 +788,30 @@ int hda_bus_ml_suspend(struct hdac_bus *bus)
}
EXPORT_SYMBOL_NS(hda_bus_ml_suspend, SND_SOC_SOF_HDA_MLINK);
+struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus)
+{
+ struct hdac_ext2_link *h2link;
+
+ h2link = find_ext2_link(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_SSP);
+ if (!h2link)
+ return NULL;
+
+ return &h2link->hext_link;
+}
+EXPORT_SYMBOL_NS(hdac_bus_eml_ssp_get_hlink, SND_SOC_SOF_HDA_MLINK);
+
+struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus)
+{
+ struct hdac_ext2_link *h2link;
+
+ h2link = find_ext2_link(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_DMIC);
+ if (!h2link)
+ return NULL;
+
+ return &h2link->hext_link;
+}
+EXPORT_SYMBOL_NS(hdac_bus_eml_dmic_get_hlink, SND_SOC_SOF_HDA_MLINK);
+
#endif
MODULE_LICENSE("Dual BSD/GPL");