/* * 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 * @vflip_en: Vertical Flip enable */ 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; bool vflip_en; }; int xilinx_vdma_channel_set_config(struct dma_chan *dchan, struct xilinx_vdma_config *cfg); #endif