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| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * arch/arm/include/asm/hardware/memc.h |
| 4 | * |
| 5 | * Copyright (C) Russell King. |
| 6 | */ |
| 7 | #define VDMA_ALIGNMENT PAGE_SIZE |
| 8 | #define VDMA_XFERSIZE 16 |
| 9 | #define VDMA_INIT 0 |
| 10 | #define VDMA_START 1 |
| 11 | #define VDMA_END 2 |
| 12 | |
| 13 | #ifndef __ASSEMBLY__ |
| 14 | extern void memc_write(unsigned int reg, unsigned long val); |
| 15 | |
| 16 | #define video_set_dma(start,end,offset) \ |
| 17 | do { \ |
| 18 | memc_write (VDMA_START, (start >> 2)); \ |
| 19 | memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2); \ |
| 20 | memc_write (VDMA_INIT, (offset >> 2)); \ |
| 21 | } while (0) |
| 22 | |
| 23 | #endif |
| 24 |
Warning: That file was not part of the compilation database. It may have many parsing errors.