1 /* 2 * include/asm-sh/dreamcast/dma.h 3 * 4 * Copyright (C) 2003 Paul Mundt 5 * 6 * This file is subject to the terms and conditions of the GNU General Public 7 * License. See the file "COPYING" in the main directory of this archive 8 * for more details. 9 */ 10 #ifndef __ASM_SH_DREAMCAST_DMA_H 11 #define __ASM_SH_DREAMCAST_DMA_H 12 13 /* Number of DMA channels */ 14 #define ONCHIP_NR_DMA_CHANNELS 4 15 #define G2_NR_DMA_CHANNELS 4 16 #define PVR2_NR_DMA_CHANNELS 1 17 18 /* Channels for cascading */ 19 #define PVR2_CASCADE_CHAN 2 20 #define G2_CASCADE_CHAN 3 21 22 /* PVR2 DMA Registers */ 23 #define PVR2_DMA_BASE 0xa05f6800 24 #define PVR2_DMA_ADDR (PVR2_DMA_BASE + 0) 25 #define PVR2_DMA_COUNT (PVR2_DMA_BASE + 4) 26 #define PVR2_DMA_MODE (PVR2_DMA_BASE + 8) 27 #define PVR2_DMA_LMMODE0 (PVR2_DMA_BASE + 132) 28 #define PVR2_DMA_LMMODE1 (PVR2_DMA_BASE + 136) 29 30 /* G2 DMA Register */ 31 #define G2_DMA_BASE 0xa05f7800 32 33 #endif /* __ASM_SH_DREAMCAST_DMA_H */ 34 35