| Dong Aisheng | ed6e1d0 | 2011-07-21 12:36:55 +0800 | [diff] [blame^] | 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 |