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ASoC: mid-x86 - add support for compressed streams
Signed-off-by: Namarta Kohli <namartax.kohli@intel.com> Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Vinod Koul
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Aug 20, 2012
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| #ifndef __SST_DSP_H__ | ||
| #define __SST_DSP_H__ | ||
| /* | ||
| * sst_dsp.h - Intel SST Driver for audio engine | ||
| * | ||
| * Copyright (C) 2008-12 Intel Corporation | ||
| * Authors: Vinod Koul <vinod.koul@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. | ||
| * | ||
| * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
| */ | ||
|
|
||
| enum sst_codec_types { | ||
| /* AUDIO/MUSIC CODEC Type Definitions */ | ||
| SST_CODEC_TYPE_UNKNOWN = 0, | ||
| SST_CODEC_TYPE_PCM, /* Pass through Audio codec */ | ||
| SST_CODEC_TYPE_MP3, | ||
| SST_CODEC_TYPE_MP24, | ||
| SST_CODEC_TYPE_AAC, | ||
| SST_CODEC_TYPE_AACP, | ||
| SST_CODEC_TYPE_eAACP, | ||
| }; | ||
|
|
||
| enum stream_type { | ||
| SST_STREAM_TYPE_NONE = 0, | ||
| SST_STREAM_TYPE_MUSIC = 1, | ||
| }; | ||
|
|
||
| struct snd_pcm_params { | ||
| u16 codec; /* codec type */ | ||
| u8 num_chan; /* 1=Mono, 2=Stereo */ | ||
| u8 pcm_wd_sz; /* 16/24 - bit*/ | ||
| u32 reserved; /* Bitrate in bits per second */ | ||
| u32 sfreq; /* Sampling rate in Hz */ | ||
| u8 use_offload_path; | ||
| u8 reserved2; | ||
| u16 reserved3; | ||
| u8 channel_map[8]; | ||
| } __packed; | ||
|
|
||
| /* MP3 Music Parameters Message */ | ||
| struct snd_mp3_params { | ||
| u16 codec; | ||
| u8 num_chan; /* 1=Mono, 2=Stereo */ | ||
| u8 pcm_wd_sz; /* 16/24 - bit*/ | ||
| u8 crc_check; /* crc_check - disable (0) or enable (1) */ | ||
| u8 reserved1; /* unused*/ | ||
| u16 reserved2; /* Unused */ | ||
| } __packed; | ||
|
|
||
| #define AAC_BIT_STREAM_ADTS 0 | ||
| #define AAC_BIT_STREAM_ADIF 1 | ||
| #define AAC_BIT_STREAM_RAW 2 | ||
|
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||
| /* AAC Music Parameters Message */ | ||
| struct snd_aac_params { | ||
| u16 codec; | ||
| u8 num_chan; /* 1=Mono, 2=Stereo*/ | ||
| u8 pcm_wd_sz; /* 16/24 - bit*/ | ||
| u8 bdownsample; /*SBR downsampling 0 - disable 1 -enabled AAC+ only */ | ||
| u8 bs_format; /* input bit stream format adts=0, adif=1, raw=2 */ | ||
| u16 reser2; | ||
| u32 externalsr; /*sampling rate of basic AAC raw bit stream*/ | ||
| u8 sbr_signalling;/*disable/enable/set automode the SBR tool.AAC+*/ | ||
| u8 reser1; | ||
| u16 reser3; | ||
| } __packed; | ||
|
|
||
| /* WMA Music Parameters Message */ | ||
| struct snd_wma_params { | ||
| u16 codec; | ||
| u8 num_chan; /* 1=Mono, 2=Stereo */ | ||
| u8 pcm_wd_sz; /* 16/24 - bit*/ | ||
| u32 brate; /* Use the hard coded value. */ | ||
| u32 sfreq; /* Sampling freq eg. 8000, 441000, 48000 */ | ||
| u32 channel_mask; /* Channel Mask */ | ||
| u16 format_tag; /* Format Tag */ | ||
| u16 block_align; /* packet size */ | ||
| u16 wma_encode_opt;/* Encoder option */ | ||
| u8 op_align; /* op align 0- 16 bit, 1- MSB, 2 LSB */ | ||
| u8 reserved; /* reserved */ | ||
| } __packed; | ||
|
|
||
| /* Codec params struture */ | ||
| union snd_sst_codec_params { | ||
| struct snd_pcm_params pcm_params; | ||
| struct snd_mp3_params mp3_params; | ||
| struct snd_aac_params aac_params; | ||
| struct snd_wma_params wma_params; | ||
| } __packed; | ||
|
|
||
| /* Address and size info of a frame buffer */ | ||
| struct sst_address_info { | ||
| u32 addr; /* Address at IA */ | ||
| u32 size; /* Size of the buffer */ | ||
| }; | ||
|
|
||
| struct snd_sst_alloc_params_ext { | ||
| struct sst_address_info ring_buf_info[8]; | ||
| u8 sg_count; | ||
| u8 reserved; | ||
| u16 reserved2; | ||
| u32 frag_size; /*Number of samples after which period elapsed | ||
| message is sent valid only if path = 0*/ | ||
| } __packed; | ||
|
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| struct snd_sst_stream_params { | ||
| union snd_sst_codec_params uc; | ||
| } __packed; | ||
|
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| struct snd_sst_params { | ||
| u32 stream_id; | ||
| u8 codec; | ||
| u8 ops; | ||
| u8 stream_type; | ||
| u8 device_type; | ||
| struct snd_sst_stream_params sparams; | ||
| struct snd_sst_alloc_params_ext aparams; | ||
| }; | ||
|
|
||
| #endif /* __SST_DSP_H__ */ |
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