arch/sh/include/mach-dreamcast/mach/dma.h

   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