18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * arch/arm/mach-rpc/include/mach/isa-dma.h 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 1997 Russell King 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci#ifndef __ASM_ARCH_DMA_H 88c2ecf20Sopenharmony_ci#define __ASM_ARCH_DMA_H 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#define MAX_DMA_CHANNELS 8 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ci#define DMA_0 0 138c2ecf20Sopenharmony_ci#define DMA_1 1 148c2ecf20Sopenharmony_ci#define DMA_2 2 158c2ecf20Sopenharmony_ci#define DMA_3 3 168c2ecf20Sopenharmony_ci#define DMA_S0 4 178c2ecf20Sopenharmony_ci#define DMA_S1 5 188c2ecf20Sopenharmony_ci#define DMA_VIRTUAL_FLOPPY 6 198c2ecf20Sopenharmony_ci#define DMA_VIRTUAL_SOUND 7 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci#define DMA_FLOPPY DMA_VIRTUAL_FLOPPY 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci#define IOMD_DMA_BOUNDARY (PAGE_SIZE - 1) 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci#endif /* _ASM_ARCH_DMA_H */ 268c2ecf20Sopenharmony_ci 27