include/linux/dma/xilinx_dma.h

   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