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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * timb_dma.h timberdale FPGA DMA driver defines
- * Copyright (c) 2010 Intel Corporation
- */
- /* 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
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