projects / deliverable / linux.git / blame
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|---|---|---|
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1 | /* |
| 2 | * Intel Baytrail SST IPC Support | |
| 3 | * Copyright (c) 2014, Intel Corporation. | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms and conditions of the GNU General Public License, | |
| 7 | * version 2, as published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 12 | * more details. | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef __SST_BYT_IPC_H | |
| 16 | #define __SST_BYT_IPC_H | |
| 17 | ||
| 18 | #include <linux/types.h> | |
| 19 | ||
| 20 | struct sst_byt; | |
| 21 | struct sst_byt_stream; | |
| 22 | struct sst_pdata; | |
| 23 | extern struct sst_ops sst_byt_ops; | |
| 24 | ||
| 25 | ||
| 26 | #define SST_BYT_MAILBOX_OFFSET 0x144000 | |
| 27 | #define SST_BYT_TIMESTAMP_OFFSET (SST_BYT_MAILBOX_OFFSET + 0x800) | |
| 28 | ||
| 29 | /** | |
| 30 | * Upfront defined maximum message size that is | |
| 31 | * expected by the in/out communication pipes in FW. | |
| 32 | */ | |
| 33 | #define SST_BYT_IPC_MAX_PAYLOAD_SIZE 200 | |
| 34 | ||
| 35 | /* stream API */ | |
| 36 | struct sst_byt_stream *sst_byt_stream_new(struct sst_byt *byt, int id, | |
| 37 | uint32_t (*get_write_position)(struct sst_byt_stream *stream, | |
| 38 | void *data), | |
| 39 | void *data); | |
| 40 | ||
| 41 | /* stream configuration */ | |
| 42 | int sst_byt_stream_set_bits(struct sst_byt *byt, struct sst_byt_stream *stream, | |
| 43 | int bits); | |
| 44 | int sst_byt_stream_set_channels(struct sst_byt *byt, | |
| 45 | struct sst_byt_stream *stream, u8 channels); | |
| 46 | int sst_byt_stream_set_rate(struct sst_byt *byt, struct sst_byt_stream *stream, | |
| 47 | unsigned int rate); | |
| 48 | int sst_byt_stream_type(struct sst_byt *byt, struct sst_byt_stream *stream, | |
| 49 | int codec_type, int stream_type, int operation); | |
| 50 | int sst_byt_stream_buffer(struct sst_byt *byt, struct sst_byt_stream *stream, | |
| 51 | uint32_t buffer_addr, uint32_t buffer_size); | |
| 52 | int sst_byt_stream_commit(struct sst_byt *byt, struct sst_byt_stream *stream); | |
| 53 | int sst_byt_stream_free(struct sst_byt *byt, struct sst_byt_stream *stream); | |
| 54 | ||
| 55 | /* stream ALSA trigger operations */ | |
| a6686ed5 JN |
56 | int sst_byt_stream_start(struct sst_byt *byt, struct sst_byt_stream *stream, |
| 57 | u32 start_offset); | |
| a4b12990 MB |
58 | int sst_byt_stream_stop(struct sst_byt *byt, struct sst_byt_stream *stream); |
| 59 | int sst_byt_stream_pause(struct sst_byt *byt, struct sst_byt_stream *stream); | |
| 60 | int sst_byt_stream_resume(struct sst_byt *byt, struct sst_byt_stream *stream); | |
| 61 | ||
| 62 | int sst_byt_get_dsp_position(struct sst_byt *byt, | |
| 63 | struct sst_byt_stream *stream, int buffer_size); | |
| 64 | ||
| 65 | /* init */ | |
| 66 | int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata); | |
| 67 | void sst_byt_dsp_free(struct device *dev, struct sst_pdata *pdata); | |
| 68 | struct sst_dsp *sst_byt_get_dsp(struct sst_byt *byt); | |
| af94aa55 LG |
69 | int sst_byt_dsp_suspend_late(struct device *dev, struct sst_pdata *pdata); |
| 70 | int sst_byt_dsp_boot(struct device *dev, struct sst_pdata *pdata); | |
| 71 | int sst_byt_dsp_wait_for_ready(struct device *dev, struct sst_pdata *pdata); | |
| a4b12990 MB |
72 | |
| 73 | #endif |