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1 | /* |
2 | * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
19 | #ifndef _MXS_PCM_H | |
20 | #define _MXS_PCM_H | |
21 | ||
22 | #include <mach/dma.h> | |
23 | ||
24 | struct mxs_pcm_dma_params { | |
25 | int chan_irq; | |
26 | int chan_num; | |
27 | }; | |
28 | ||
29 | struct mxs_pcm_runtime_data { | |
30 | int period_bytes; | |
31 | int periods; | |
32 | int dma; | |
33 | unsigned long offset; | |
34 | unsigned long size; | |
35 | void *buf; | |
36 | int period_time; | |
37 | struct dma_async_tx_descriptor *desc; | |
38 | struct dma_chan *dma_chan; | |
39 | struct mxs_dma_data dma_data; | |
40 | struct mxs_pcm_dma_params *dma_params; | |
41 | }; | |
42 | ||
43 | #endif |