From: Guneshwor Singh <guneshwor.o.singh@xxxxxxxxx>
Define the type and ABI struct for physical DAIs (e.g. backend DAIs).
They are new to ABI and so no backward compatibility risk.
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@xxxxxxxxx>
Signed-off-by: Mengdong Lin <mengdong.lin@xxxxxxxxxxxxxxx>
diff --git a/include/sound/asoc.h b/include/sound/asoc.h
index 5169153..8933a91 100644
--- a/include/sound/asoc.h
+++ b/include/sound/asoc.h
@@ -102,7 +102,8 @@
#define SND_SOC_TPLG_TYPE_CODEC_LINK 9
#define SND_SOC_TPLG_TYPE_BACKEND_LINK 10
#define SND_SOC_TPLG_TYPE_PDATA 11
-#define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_PDATA
+#define SND_SOC_TPLG_TYPE_DAI 12
+#define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_DAI
/* vendor block IDs - please add new vendor types to end */
#define SND_SOC_TPLG_TYPE_VENDOR_FW 1000
@@ -121,6 +122,11 @@
#define SND_SOC_TPLG_TUPLE_TYPE_WORD 4
#define SND_SOC_TPLG_TUPLE_TYPE_SHORT 5
+/* DAI flags */
+#define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES (1 << 0)
+#define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS (1 << 1)
+#define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2)
+
/* DAI link flags */
#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES (1 << 0)
#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS (1 << 1)
@@ -512,4 +518,27 @@ struct snd_soc_tplg_link_config {
__le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
struct snd_soc_tplg_private priv;
} __attribute__((packed));
+
+/*
+ * Describes SW/FW specific features of physical DAI.
+ * It can be used to configure backend DAIs for DPCM.
+ *
+ * File block representation for physical DAI :-
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_dai | N |
+ * +-----------------------------------+-----+
+ */
+struct snd_soc_tplg_dai {
+ __le32 size; /* in bytes of this structure */
+ char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
+ __le32 dai_id; /* unique ID - used to match */
+ __le32 playback; /* supports playback mode */
+ __le32 capture; /* supports capture mode */
+ struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
+ __le32 flag_mask; /* bitmask of flags to configure */
+ __le32 flags; /* SND_SOC_TPLG_DAI_FLGBIT_* */
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
#endif
--
2.5.0
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