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Quelle timb_dma.h Sprache: C |
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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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2026-10-10