diff options
Diffstat (limited to 'include/linux/dma')
| -rw-r--r-- | include/linux/dma/xilinx_dma.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/dma/xilinx_dma.h b/include/linux/dma/xilinx_dma.h new file mode 100644 index 000000000000..34b98f276ed0 --- /dev/null +++ b/include/linux/dma/xilinx_dma.h @@ -0,0 +1,47 @@ +/* + * 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 |