Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
24 lines
550 B
C
24 lines
550 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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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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#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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