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 | |