1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * arch/arm/mach-rpc/include/mach/isa-dma.h 4 * 5 * Copyright (C) 1997 Russell King 6 */ 7 #ifndef __ASM_ARCH_DMA_H 8 #define __ASM_ARCH_DMA_H 9 10 #define MAX_DMA_CHANNELS 8 11 12 #define DMA_0 0 13 #define DMA_1 1 14 #define DMA_2 2 15 #define DMA_3 3 16 #define DMA_S0 4 17 #define DMA_S1 5 18 #define DMA_VIRTUAL_FLOPPY 6 19 #define DMA_VIRTUAL_SOUND 7 20 21 #define DMA_FLOPPY DMA_VIRTUAL_FLOPPY 22 23 #define IOMD_DMA_BOUNDARY (PAGE_SIZE - 1) 24 25 #endif /* _ASM_ARCH_DMA_H */ 26 27