| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Xilinx DMA Engine drivers support header file |
| 4 | * |
| 5 | * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 |