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| author | Guneshwor Singh <guneshwor.o.singh@intel.com> | 2016-11-16 14:42:25 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-11-22 07:50:25 +0100 |
| commit | 50c77cdc7f63ce754374b39fbc3bd1e1ef9b2a03 (patch) | |
| tree | 0a726c29703a6e54b042a2aaf7b0deef9533ad3e | |
| parent | 527c8a1b19dd5f956f4489f7bfd75aa954260145 (diff) | |
| download | alsa-lib-50c77cdc7f63ce754374b39fbc3bd1e1ef9b2a03.tar.gz | |
topology: ABI - Define new types for physical DAI
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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | include/sound/asoc.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/include/sound/asoc.h b/include/sound/asoc.h index e14843b5..1232f1e2 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 physical PCM data formats. * Add new formats to the end of the list. */ @@ -510,4 +516,27 @@ 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 |