| /* |
| * Xilinx DMA Engine drivers support header file |
| * |
| * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved. |
| * |
| * This 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; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #ifndef __DMA_XILINX_DMA_H |
| #define __DMA_XILINX_DMA_H |
| |
| #include <linux/dma-mapping.h> |
| #include <linux/dmaengine.h> |
| |
| /** |
| * struct xilinx_vdma_config - VDMA Configuration structure |
| * @frm_dly: Frame delay |
| * @gen_lock: Whether in gen-lock mode |
| * @master: Master that it syncs to |
| * @frm_cnt_en: Enable frame count enable |
| * @park: Whether wants to park |
| * @park_frm: Frame to park on |
| * @coalesc: Interrupt coalescing threshold |
| * @delay: Delay counter |
| * @reset: Reset Channel |
| * @ext_fsync: External Frame Sync source |
| */ |
| struct xilinx_vdma_config { |
| int frm_dly; |
| int gen_lock; |
| int master; |
| int frm_cnt_en; |
| int park; |
| int park_frm; |
| int coalesc; |
| int delay; |
| int reset; |
| int ext_fsync; |
| }; |
| |
| int xilinx_vdma_channel_set_config(struct dma_chan *dchan, |
| struct xilinx_vdma_config *cfg); |
| |
| #endif |