diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/amba/xilinx_dma.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/amba/xilinx_dma.h b/include/linux/amba/xilinx_dma.h new file mode 100644 index 000000000000..34b98f276ed0 --- /dev/null +++ b/include/linux/amba/xilinx_dma.h | |||
@@ -0,0 +1,47 @@ | |||
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 | ||