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topology: ABI - Define DAI physical PCM data formats

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Define DAI physical PCM data formats for user space, so users can specify
the formats of backends by topology (e.g. the DAI format to set on backend
link init).

The kernel will also refer to these formats.

Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mengdong Lin 2016-11-06 13:12:57 +08:00 • committed by Takashi Iwai
parent 53f7711769
commit 3b4e53624d
1 changed files with 15 additions and 0 deletions
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15
include/sound/asoc.h
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@ -115,6 +115,21 @@
#define SND_SOC_TPLG_TUPLE_TYPE_WORD 4
#define SND_SOC_TPLG_TUPLE_TYPE_SHORT 5
/* DAI physical PCM data formats.
* Add new formats to the end of the list.
*/
#define SND_SOC_DAI_FORMAT_I2S 1 /* I2S mode */
#define SND_SOC_DAI_FORMAT_RIGHT_J 2 /* Right Justified mode */
#define SND_SOC_DAI_FORMAT_LEFT_J 3 /* Left Justified mode */
#define SND_SOC_DAI_FORMAT_DSP_A 4 /* L data MSB after FRM LRC */
#define SND_SOC_DAI_FORMAT_DSP_B 5 /* L data MSB during FRM LRC */
#define SND_SOC_DAI_FORMAT_AC97 6 /* AC97 */
#define SND_SOC_DAI_FORMAT_PDM 7 /* Pulse density modulation */
/* left and right justified also known as MSB and LSB respectively */
#define SND_SOC_DAI_FORMAT_MSB SND_SOC_DAI_FORMAT_LEFT_J
#define SND_SOC_DAI_FORMAT_LSB SND_SOC_DAI_FORMAT_RIGHT_J
/* DAI link flags */
#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES (1 << 0)
#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS (1 << 1)