1655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/**************************************************************************** 2655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng **************************************************************************** 3655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** 4655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** This header was automatically generated from a Linux kernel header 5655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** of the same name, to make information necessary for userspace to 6655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** call into the kernel available to libc. It contains only constants, 7655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** structures, and macros generated from the original header, and thus, 8655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** contains no copyrightable information. 9655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** 10655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** To edit the content of this header, modify the corresponding 11655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** source file (e.g. under external/kernel-headers/original/) then 12655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** run bionic/libc/kernel/tools/update_all.py 13655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** 14655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** Any manual change here will be lost the next time this script will 15655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** be run. You've been warned! 16655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** 17655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng **************************************************************************** 18655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ****************************************************************************/ 19655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#ifndef __COMPRESS_OFFLOAD_H 20655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define __COMPRESS_OFFLOAD_H 21655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <linux/types.h> 22655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <sound/asound.h> 23655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <sound/compress_params.h> 2438062f954c637861348dd8078cefb73554e6f12cChristopher Ferris#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 2) 25655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct snd_compressed_buffer { 26d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 fragment_size; 27d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 fragments; 28ba8d4f460b51161eb82cf1006cb34a3cc1389f47Christopher Ferris} __attribute__((packed, aligned(4))); 29655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct snd_compr_params { 30d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct snd_compressed_buffer buffer; 31d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct snd_codec codec; 32d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u8 no_wake_mode; 33ba8d4f460b51161eb82cf1006cb34a3cc1389f47Christopher Ferris} __attribute__((packed, aligned(4))); 34655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct snd_compr_tstamp { 35d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 byte_offset; 36d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 copied_total; 37d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 pcm_frames; 38d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 pcm_io_frames; 39d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 sampling_rate; 40ba8d4f460b51161eb82cf1006cb34a3cc1389f47Christopher Ferris} __attribute__((packed, aligned(4))); 41655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct snd_compr_avail { 42d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u64 avail; 43d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct snd_compr_tstamp tstamp; 44ba8d4f460b51161eb82cf1006cb34a3cc1389f47Christopher Ferris} __attribute__((packed, aligned(4))); 45655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengenum snd_compr_direction { 46d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao SND_COMPRESS_PLAYBACK = 0, 47d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao SND_COMPRESS_CAPTURE 48655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 49655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct snd_compr_caps { 50d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 num_codecs; 51d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 direction; 52d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 min_fragment_size; 53d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 max_fragment_size; 54d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 min_fragments; 55d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 max_fragments; 56d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 codecs[MAX_NUM_CODECS]; 57d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 reserved[11]; 58ba8d4f460b51161eb82cf1006cb34a3cc1389f47Christopher Ferris} __attribute__((packed, aligned(4))); 59655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct snd_compr_codec_caps { 60d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 codec; 61d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 num_descriptors; 62d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct snd_codec_desc descriptor[MAX_NUM_CODEC_DESCRIPTORS]; 63ba8d4f460b51161eb82cf1006cb34a3cc1389f47Christopher Ferris} __attribute__((packed, aligned(4))); 6405d08e9716b5974d6ed08973f44930804890b902Christopher Ferrisenum sndrv_compress_encoder { 65d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao SNDRV_COMPRESS_ENCODER_PADDING = 1, 66d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao SNDRV_COMPRESS_ENCODER_DELAY = 2, 67655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 68655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct snd_compr_metadata { 69d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 key; 70d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 value[8]; 71ba8d4f460b51161eb82cf1006cb34a3cc1389f47Christopher Ferris} __attribute__((packed, aligned(4))); 72655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_IOCTL_VERSION _IOR('C', 0x00, int) 73655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_GET_CAPS _IOWR('C', 0x10, struct snd_compr_caps) 74d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao#define SNDRV_COMPRESS_GET_CODEC_CAPS _IOWR('C', 0x11, struct snd_compr_codec_caps) 75655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_SET_PARAMS _IOW('C', 0x12, struct snd_compr_params) 76655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_GET_PARAMS _IOR('C', 0x13, struct snd_codec) 77d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao#define SNDRV_COMPRESS_SET_METADATA _IOW('C', 0x14, struct snd_compr_metadata) 78d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao#define SNDRV_COMPRESS_GET_METADATA _IOWR('C', 0x15, struct snd_compr_metadata) 79655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_TSTAMP _IOR('C', 0x20, struct snd_compr_tstamp) 80655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_AVAIL _IOR('C', 0x21, struct snd_compr_avail) 81655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_PAUSE _IO('C', 0x30) 82655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_RESUME _IO('C', 0x31) 83655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_START _IO('C', 0x32) 84655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_STOP _IO('C', 0x33) 85655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_DRAIN _IO('C', 0x34) 86655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_NEXT_TRACK _IO('C', 0x35) 87655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SNDRV_COMPRESS_PARTIAL_DRAIN _IO('C', 0x36) 88655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SND_COMPR_TRIGGER_DRAIN 7 89655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SND_COMPR_TRIGGER_NEXT_TRACK 8 90655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define SND_COMPR_TRIGGER_PARTIAL_DRAIN 9 91655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#endif 92