/*
   * timb_dma.h timberdale FPGA DMA driver defines
   * Copyright (c) 2010 Intel Corporation
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  
  /* Supports:
   * Timberdale FPGA DMA engine
   */
  
  #ifndef _LINUX_TIMB_DMA_H
  #define _LINUX_TIMB_DMA_H
  
  /**
   * struct timb_dma_platform_data_channel - Description of each individual
   *	DMA channel for the timberdale DMA driver
   * @rx:			true if this channel handles data in the direction to
   *	the CPU.
   * @bytes_per_line:	Number of bytes per line, this is specific for channels
   *	handling video data. For other channels this shall be left to 0.
   * @descriptors:	Number of descriptors to allocate for this channel.
   * @descriptor_elements: Number of elements in each descriptor.
   *
   */
  struct timb_dma_platform_data_channel {
  	bool rx;
  	unsigned int bytes_per_line;
  	unsigned int descriptors;
  	unsigned int descriptor_elements;
  };
  
  /**
   * struct timb_dma_platform_data - Platform data of the timberdale DMA driver
   * @nr_channels:	Number of defined channels in the channels array.
   * @channels:		Definition of the each channel.
   *
   */
  struct timb_dma_platform_data {
  	unsigned nr_channels;
  	struct timb_dma_platform_data_channel channels[32];
  };
  
  #endif