| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| /* | |
| * Xilinx DMA Engine drivers support header file | |
| * | |
| * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved. | |
| */ | |
| #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 |