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authorYong Zhi <yong.zhi@intel.com>2016-05-27 07:30:15 +0300
committerMark Brown <broonie@kernel.org>2016-05-30 20:16:44 +0300
commitf65cf7d666371562ef83b487a31e73642f3a3564 (patch)
treef63d27e08341700cb221106be3d180172e1ed892 /sound/soc/intel/skylake/skl-nhlt.h
parent0c7941a63a0f46cfd4c41f30e5fcd55e678d535c (diff)
downloadlinux-f65cf7d666371562ef83b487a31e73642f3a3564.tar.xz
ASoC: Intel: Skylake: Add api to retrieve dmic array info from nhlt
Skylake can be configured with either both 2 and 4 channel DMIC array, or 2 channel DMIC array only, this patch provides an API to retrieve the DMIC info from nhlt. Signed-off-by: Yong Zhi <yong.zhi@intel.com> Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/skylake/skl-nhlt.h')
-rw-r--r--sound/soc/intel/skylake/skl-nhlt.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-nhlt.h b/sound/soc/intel/skylake/skl-nhlt.h
index 3769f9fefe2b..116534e7b3c5 100644
--- a/sound/soc/intel/skylake/skl-nhlt.h
+++ b/sound/soc/intel/skylake/skl-nhlt.h
@@ -103,4 +103,26 @@ struct nhlt_resource_desc {
u64 length;
} __packed;
+#define MIC_ARRAY_2CH 2
+#define MIC_ARRAY_4CH 4
+
+struct nhlt_tdm_config {
+ u8 virtual_slot;
+ u8 config_type;
+} __packed;
+
+struct nhlt_dmic_array_config {
+ struct nhlt_tdm_config tdm_config;
+ u8 array_type;
+} __packed;
+
+enum {
+ NHLT_MIC_ARRAY_2CH_SMALL = 0xa,
+ NHLT_MIC_ARRAY_2CH_BIG = 0xb,
+ NHLT_MIC_ARRAY_4CH_1ST_GEOM = 0xc,
+ NHLT_MIC_ARRAY_4CH_L_SHAPED = 0xd,
+ NHLT_MIC_ARRAY_4CH_2ND_GEOM = 0xe,
+ NHLT_MIC_ARRAY_VENDOR_DEFINED = 0xf,
+};
+
#endif