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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344/* 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