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Diffstat (limited to 'include/sound/compress_offload.h')
| -rw-r--r-- | include/sound/compress_offload.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/include/sound/compress_offload.h b/include/sound/compress_offload.h deleted file mode 100644 index 05341a43fed..00000000000 --- a/include/sound/compress_offload.h +++ /dev/null @@ -1,161 +0,0 @@ -/* - * compress_offload.h - compress offload header definations - * - * Copyright (C) 2011 Intel Corporation - * Authors: Vinod Koul <vinod.koul@linux.intel.com> - * Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - */ -#ifndef __COMPRESS_OFFLOAD_H -#define __COMPRESS_OFFLOAD_H - -#include <linux/types.h> -#include <sound/asound.h> -#include <sound/compress_params.h> - - -#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 0) -/** - * struct snd_compressed_buffer: compressed buffer - * @fragment_size: size of buffer fragment in bytes - * @fragments: number of such fragments - */ -struct snd_compressed_buffer { - __u32 fragment_size; - __u32 fragments; -}; - -/** - * struct snd_compr_params: compressed stream params - * @buffer: buffer description - * @codec: codec parameters - * @no_wake_mode: dont wake on fragment elapsed - */ -struct snd_compr_params { - struct snd_compressed_buffer buffer; - struct snd_codec codec; - __u8 no_wake_mode; -}; - -/** - * struct snd_compr_tstamp: timestamp descriptor - * @byte_offset: Byte offset in ring buffer to DSP - * @copied_total: Total number of bytes copied from/to ring buffer to/by DSP - * @pcm_frames: Frames decoded or encoded by DSP. This field will evolve by - * large steps and should only be used to monitor encoding/decoding - * progress. It shall not be used for timing estimates. - * @pcm_io_frames: Frames rendered or received by DSP into a mixer or an audio - * output/input. This field should be used for A/V sync or time estimates. - * @sampling_rate: sampling rate of audio - */ -struct snd_compr_tstamp { - __u32 byte_offset; - __u32 copied_total; - snd_pcm_uframes_t pcm_frames; - snd_pcm_uframes_t pcm_io_frames; - __u32 sampling_rate; -}; - -/** - * struct snd_compr_avail: avail descriptor - * @avail: Number of bytes available in ring buffer for writing/reading - * @tstamp: timestamp infomation - */ -struct snd_compr_avail { - __u64 avail; - struct snd_compr_tstamp tstamp; -}; - -enum snd_compr_direction { - SND_COMPRESS_PLAYBACK = 0, - SND_COMPRESS_CAPTURE -}; - -/** - * struct snd_compr_caps: caps descriptor - * @codecs: pointer to array of codecs - * @direction: direction supported. Of type snd_compr_direction - * @min_fragment_size: minimum fragment supported by DSP - * @max_fragment_size: maximum fragment supported by DSP - * @min_fragments: min fragments supported by DSP - * @max_fragments: max fragments supported by DSP - * @num_codecs: number of codecs supported - * @reserved: reserved field - */ -struct snd_compr_caps { - __u32 num_codecs; - __u32 direction; - __u32 min_fragment_size; - __u32 max_fragment_size; - __u32 min_fragments; - __u32 max_fragments; - __u32 codecs[MAX_NUM_CODECS]; - __u32 reserved[11]; -}; - -/** - * struct snd_compr_codec_caps: query capability of codec - * @codec: codec for which capability is queried - * @num_descriptors: number of codec descriptors - * @descriptor: array of codec capability descriptor - */ -struct snd_compr_codec_caps { - __u32 codec; - __u32 num_descriptors; - struct snd_codec_desc descriptor[MAX_NUM_CODEC_DESCRIPTORS]; -}; - -/** - * compress path ioctl definitions - * SNDRV_COMPRESS_GET_CAPS: Query capability of DSP - * SNDRV_COMPRESS_GET_CODEC_CAPS: Query capability of a codec - * SNDRV_COMPRESS_SET_PARAMS: Set codec and stream parameters - * Note: only codec params can be changed runtime and stream params cant be - * SNDRV_COMPRESS_GET_PARAMS: Query codec params - * SNDRV_COMPRESS_TSTAMP: get the current timestamp value - * SNDRV_COMPRESS_AVAIL: get the current buffer avail value. - * This also queries the tstamp properties - * SNDRV_COMPRESS_PAUSE: Pause the running stream - * SNDRV_COMPRESS_RESUME: resume a paused stream - * SNDRV_COMPRESS_START: Start a stream - * SNDRV_COMPRESS_STOP: stop a running stream, discarding ring buffer content - * and the buffers currently with DSP - * SNDRV_COMPRESS_DRAIN: Play till end of buffers and stop after that - * SNDRV_COMPRESS_IOCTL_VERSION: Query the API version - */ -#define SNDRV_COMPRESS_IOCTL_VERSION _IOR('C', 0x00, int) -#define SNDRV_COMPRESS_GET_CAPS _IOWR('C', 0x10, struct snd_compr_caps) -#define SNDRV_COMPRESS_GET_CODEC_CAPS _IOWR('C', 0x11,\ - struct snd_compr_codec_caps) -#define SNDRV_COMPRESS_SET_PARAMS _IOW('C', 0x12, struct snd_compr_params) -#define SNDRV_COMPRESS_GET_PARAMS _IOR('C', 0x13, struct snd_codec) -#define SNDRV_COMPRESS_TSTAMP _IOR('C', 0x20, struct snd_compr_tstamp) -#define SNDRV_COMPRESS_AVAIL _IOR('C', 0x21, struct snd_compr_avail) -#define SNDRV_COMPRESS_PAUSE _IO('C', 0x30) -#define SNDRV_COMPRESS_RESUME _IO('C', 0x31) -#define SNDRV_COMPRESS_START _IO('C', 0x32) -#define SNDRV_COMPRESS_STOP _IO('C', 0x33) -#define SNDRV_COMPRESS_DRAIN _IO('C', 0x34) -/* - * TODO - * 1. add mmap support - * - */ -#define SND_COMPR_TRIGGER_DRAIN 7 /*FIXME move this to pcm.h */ -#endif |