1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Xilinx DMA Engine drivers support header file 4 * 5 * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved. 6 */ 7 8 #ifndef __DMA_XILINX_DMA_H 9 #define __DMA_XILINX_DMA_H 10 11 #include <linux/dma-mapping.h> 12 #include <linux/dmaengine.h> 13 14 /** 15 * struct xilinx_vdma_config - VDMA Configuration structure 16 * @frm_dly: Frame delay 17 * @gen_lock: Whether in gen-lock mode 18 * @master: Master that it syncs to 19 * @frm_cnt_en: Enable frame count enable 20 * @park: Whether wants to park 21 * @park_frm: Frame to park on 22 * @coalesc: Interrupt coalescing threshold 23 * @delay: Delay counter 24 * @reset: Reset Channel 25 * @ext_fsync: External Frame Sync source 26 * @vflip_en: Vertical Flip enable 27 */ 28 struct xilinx_vdma_config { 29 int frm_dly; 30 int gen_lock; 31 int master; 32 int frm_cnt_en; 33 int park; 34 int park_frm; 35 int coalesc; 36 int delay; 37 int reset; 38 int ext_fsync; 39 bool vflip_en; 40 }; 41 42 int xilinx_vdma_channel_set_config(struct dma_chan *dchan, 43 struct xilinx_vdma_config *cfg); 44 45 #endif 46