[19/22] topology: ABI - Define new types for physical DAI
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Message ID 14805958fdbbaf152393855c988ae71bcd2576a2.1477549962.git.mengdong.lin@linux.intel.com
State New
Headers show

Commit Message

mengdong.lin@linux.intel.com Oct. 27, 2016, 7:14 a.m. UTC
From: Guneshwor Singh <guneshwor.o.singh@intel.com>

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@intel.com>
Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>

Patch
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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