asoc: uapi: add definition for generic decoder in techpack

Add structure and format definition for ALAC, APE, APTX, DSD,
AAC, FLAC, VORBIS and WMA.

Change-Id: Ide8027cf06c8c2f55f34d8a1b5b1b84e05851113
Signed-off-by: Xiaojun Sang <[email protected]>

include/uapi/audio/sound/audio_compressed_formats.h

@@ -0,0 +1,90 @@
+#ifndef __AUDIO_COMPRESSED_FORMATS_H
+#define __AUDIO_COMPRESSED_FORMATS_H
+
+#include <linux/types.h>
+
+#define AUDIO_COMP_FORMAT_ALAC 0x1
+#define AUDIO_COMP_FORMAT_APE 0x2
+#define AUDIO_COMP_FORMAT_APTX 0x3
+#define AUDIO_COMP_FORMAT_DSD 0x4
+#define AUDIO_COMP_FORMAT_FLAC 0x5
+#define AUDIO_COMP_FORMAT_VORBIS 0x6
+#define AUDIO_COMP_FORMAT_WMA 0x7
+#define AUDIO_COMP_FORMAT_WMA_PRO 0x8
+
+#define SND_COMPRESS_DEC_HDR
+struct snd_generic_dec_aac {
+	__u16 audio_obj_type;
+	__u16 pce_bits_size;
+} __attribute__((packed, aligned(4)));
+
+struct snd_generic_dec_flac {
+	__u16 sample_size;
+	__u16 min_blk_size;
+	__u16 max_blk_size;
+	__u16 min_frame_size;
+	__u16 max_frame_size;
+} __attribute__((packed, aligned(4)));
+
+struct snd_generic_dec_alac {
+	__u32 frame_length;
+	__u8 compatible_version;
+	__u8 bit_depth;
+	__u8 pb;
+	__u8 mb;
+	__u8 kb;
+	__u8 num_channels;
+	__u16 max_run;
+	__u32 max_frame_bytes;
+	__u32 avg_bit_rate;
+	__u32 sample_rate;
+	__u32 channel_layout_tag;
+} __attribute__((packed, aligned(4)));
+
+struct snd_generic_dec_ape {
+	__u16 compatible_version;
+	__u16 compression_level;
+	__u32 format_flags;
+	__u32 blocks_per_frame;
+	__u32 final_frame_blocks;
+	__u32 total_frames;
+	__u16 bits_per_sample;
+	__u16 num_channels;
+	__u32 sample_rate;
+	__u32 seek_table_present;
+} __attribute__((packed, aligned(4)));
+
+struct snd_generic_dec_wma {
+	__u32 super_block_align;
+	__u32 bits_per_sample;
+	__u32 channelmask;
+	__u32 encodeopt;
+	__u32 encodeopt1;
+	__u32 encodeopt2;
+	__u32 avg_bit_rate;
+} __attribute__((packed, aligned(4)));
+
+#define SND_DEC_WMA_EXTENTED_SUPPORT
+
+struct snd_generic_dec_aptx {
+	__u32 lap;
+	__u32 uap;
+	__u32 nap;
+} __attribute__((packed, aligned(4)));
+
+struct snd_generic_dec_vorbis {
+	__u32 bit_stream_fmt;
+} __attribute__((packed, aligned(4)));
+
+/** struct snd_generic_dec_dsd - codec for DSD format
+ * @blk_size - dsd channel block size
+ */
+struct snd_generic_dec_dsd {
+	__u32 blk_size;
+} __attribute__((packed, aligned(4)));
+
+struct snd_generic_dec_amrwb_plus {
+	__u32 bit_stream_fmt;
+} __attribute__((packed, aligned(4)));
+
+#endif