2 * Xilinx DMA Engine drivers support header file
4 * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved.
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.
12 #ifndef __DMA_XILINX_DMA_H
13 #define __DMA_XILINX_DMA_H
15 #include <linux/dma-mapping.h>
16 #include <linux/dmaengine.h>
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
31 struct xilinx_vdma_config {
45 * enum xdma_ip_type: DMA IP type.
47 * XDMA_TYPE_AXIDMA: Axi dma ip.
48 * XDMA_TYPE_CDMA: Axi cdma ip.
49 * XDMA_TYPE_VDMA: Axi vdma ip.
58 int xilinx_vdma_channel_set_config(struct dma_chan *dchan,
59 struct xilinx_vdma_config *cfg);