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nuttx/audio: Add hardware format support

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This commit is contained in:
anchao 2018-08-27 07:58:22 -06:00 committed by Gregory Nutt
parent d77b9b1209
commit d795344014
1 changed files with 29 additions and 0 deletions
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29
include/nuttx/audio/audio.h
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@ -180,6 +180,31 @@
#define AUDIO_SUBFMT_MIDI_1 0x0d
#define AUDIO_SUBFMT_MIDI_2 0x0e
/* Audio Hardware-Format Types **********************************************/
#define AUDIO_HWFMT_I2S (1 << 0)
#define AUDIO_HWFMT_RIGHT_J (2 << 0)
#define AUDIO_HWFMT_LEFT_J (3 << 0)
#define AUDIO_HWFMT_DSP_A (4 << 0)
#define AUDIO_HWFMT_DSP_B (5 << 0)
#define AUDIO_HWFMT_AC97 (6 << 0)
#define AUDIO_HWFMT_PDM (7 << 0)
#define AUDIO_HWFMT_NB_NF (0 << 8)
#define AUDIO_HWFMT_NB_IF (2 << 8)
#define AUDIO_HWFMT_IB_NF (3 << 8)
#define AUDIO_HWFMT_IB_IF (4 << 8)
#define AUDIO_HWFMT_CBM_CFM (1 << 12)
#define AUDIO_HWFMT_CBS_CFM (2 << 12)
#define AUDIO_HWFMT_CBM_CFS (3 << 12)
#define AUDIO_HWFMT_CBS_CFS (4 << 12)
#define AUDIO_HWFMT_FORMAT_MASK 0x000f
#define AUDIO_HWFMT_CLOCK_MASK 0x00f0
#define AUDIO_HWFMT_INV_MASK 0x0f00
#define AUDIO_HWFMT_MASTER_MASK 0xf000
/* Supported Sampling Rates *************************************************/
#define AUDIO_SAMP_RATE_8K 0x0001
@ -255,6 +280,10 @@
#define AUDIO_STEXT_OVERFLOW 0x04
#define AUDIO_STEXT_LATENCY 0x05
/* Extension Unit controls **************************************************/
#define AUDIO_EU_HW_FORMAT 0x0001
/* Audio Callback Reasons ***************************************************/
#define AUDIO_CALLBACK_UNDEF 0x00