| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| Russell King | 4baa992 | 2008-08-02 10:55:55 +0100 | [diff] [blame] | 2 | * arch/arm/include/asm/hardware/memc.h |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) Russell King. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | #define VDMA_ALIGNMENT PAGE_SIZE |
| 11 | #define VDMA_XFERSIZE 16 |
| 12 | #define VDMA_INIT 0 |
| 13 | #define VDMA_START 1 |
| 14 | #define VDMA_END 2 |
| 15 | |
| 16 | #ifndef __ASSEMBLY__ |
| 17 | extern void memc_write(unsigned int reg, unsigned long val); |
| 18 | |
| 19 | #define video_set_dma(start,end,offset) \ |
| 20 | do { \ |
| 21 | memc_write (VDMA_START, (start >> 2)); \ |
| 22 | memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2); \ |
| 23 | memc_write (VDMA_INIT, (offset >> 2)); \ |
| 24 | } while (0) |
| 25 | |
| 26 | #endif |