Commit | Line | Data |
---|---|---|
9cd4360d ST |
1 | /* |
2 | * Xilinx DMA Engine drivers support header file | |
3 | * | |
4 | * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved. | |
5 | * | |
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. | |
10 | */ | |
11 | ||
12 | #ifndef __DMA_XILINX_DMA_H | |
13 | #define __DMA_XILINX_DMA_H | |
14 | ||
15 | #include <linux/dma-mapping.h> | |
16 | #include <linux/dmaengine.h> | |
17 | ||
18 | /** | |
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 | |
30 | */ | |
31 | struct xilinx_vdma_config { | |
32 | int frm_dly; | |
33 | int gen_lock; | |
34 | int master; | |
35 | int frm_cnt_en; | |
36 | int park; | |
37 | int park_frm; | |
38 | int coalesc; | |
39 | int delay; | |
40 | int reset; | |
41 | int ext_fsync; | |
42 | }; | |
43 | ||
44 | int xilinx_vdma_channel_set_config(struct dma_chan *dchan, | |
45 | struct xilinx_vdma_config *cfg); | |
46 | ||
47 | #endif |