linux/include/linux/platform_data/dma-mcf-edma.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Freescale eDMA platform data, ColdFire SoC's family.
   4 *
   5 * Copyright (c) 2017 Angelo Dureghello <angelo@sysam.it>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 */
  16
  17#ifndef __LINUX_PLATFORM_DATA_MCF_EDMA_H__
  18#define __LINUX_PLATFORM_DATA_MCF_EDMA_H__
  19
  20struct dma_slave_map;
  21
  22bool mcf_edma_filter_fn(struct dma_chan *chan, void *param);
  23
  24#define MCF_EDMA_FILTER_PARAM(ch)       ((void *)ch)
  25
  26/**
  27 * struct mcf_edma_platform_data - platform specific data for eDMA engine
  28 *
  29 * @ver                 The eDMA module version.
  30 * @dma_channels        The number of eDMA channels.
  31 */
  32struct mcf_edma_platform_data {
  33        int dma_channels;
  34        const struct dma_slave_map *slave_map;
  35        int slavecnt;
  36};
  37
  38#endif /* __LINUX_PLATFORM_DATA_MCF_EDMA_H__ */
  39