mirror of https://gitee.com/openkylin/linux.git
27 lines
696 B
C
27 lines
696 B
C
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/*
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* arch/arm/include/asm/hardware/memc.h
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*
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* Copyright (C) Russell King.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#define VDMA_ALIGNMENT PAGE_SIZE
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#define VDMA_XFERSIZE 16
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#define VDMA_INIT 0
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#define VDMA_START 1
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#define VDMA_END 2
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#ifndef __ASSEMBLY__
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extern void memc_write(unsigned int reg, unsigned long val);
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#define video_set_dma(start,end,offset) \
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do { \
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memc_write (VDMA_START, (start >> 2)); \
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memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2); \
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memc_write (VDMA_INIT, (offset >> 2)); \
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} while (0)
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#endif
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