LXR linux/include/linux/dma/xilinx

   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 */
  28struct 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
  42int xilinx_vdma_channel_set_config(struct dma_chan *dchan,
  43                                        struct xilinx_vdma_config *cfg);
  44
  45#endif
  46