| Srikanth Thokala | 9cd4360 | 2014-04-23 20:23:26 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Xilinx DMA Engine drivers support header file |
| 3 | * |
| 4 | * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved. |
| 5 | * |
| 6 | * This is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | #ifndef __DMA_XILINX_DMA_H |
| 13 | #define __DMA_XILINX_DMA_H |
| 14 | |
| 15 | #include <linux/dma-mapping.h> |
| 16 | #include <linux/dmaengine.h> |
| 17 | |
| 18 | /** |
| 19 | * struct xilinx_vdma_config - VDMA Configuration structure |
| 20 | * @frm_dly: Frame delay |
| 21 | * @gen_lock: Whether in gen-lock mode |
| 22 | * @master: Master that it syncs to |
| 23 | * @frm_cnt_en: Enable frame count enable |
| 24 | * @park: Whether wants to park |
| 25 | * @park_frm: Frame to park on |
| 26 | * @coalesc: Interrupt coalescing threshold |
| 27 | * @delay: Delay counter |
| 28 | * @reset: Reset Channel |
| 29 | * @ext_fsync: External Frame Sync source |
| 30 | */ |
| 31 | struct xilinx_vdma_config { |
| 32 | int frm_dly; |
| 33 | int gen_lock; |
| 34 | int master; |
| 35 | int frm_cnt_en; |
| 36 | int park; |
| 37 | int park_frm; |
| 38 | int coalesc; |
| 39 | int delay; |
| 40 | int reset; |
| 41 | int ext_fsync; |
| 42 | }; |
| 43 | |
| 44 | int xilinx_vdma_channel_set_config(struct dma_chan *dchan, |
| 45 | struct xilinx_vdma_config *cfg); |
| 46 | |
| 47 | #endif |