LXR linux/arch/sh/include/asm/dma-register.h

   1/*
   2 * Common header for the legacy SH DMA driver and the new dmaengine driver
   3 *
   4 * extracted from arch/sh/include/asm/dma-sh.h:
   5 *
   6 * Copyright (C) 2000  Takashi YOSHII
   7 * Copyright (C) 2003  Paul Mundt
   8 *
   9 * This file is subject to the terms and conditions of the GNU General Public
  10 * License.  See the file "COPYING" in the main directory of this archive
  11 * for more details.
  12 */
  13#ifndef DMA_REGISTER_H
  14#define DMA_REGISTER_H
  15
  16/* DMA register */
  17#define SAR     0x00
  18#define DAR     0x04
  19#define TCR     0x08
  20#define CHCR    0x0C
  21#define DMAOR   0x40
  22
  23/* DMAOR definitions */
  24#define DMAOR_AE        0x00000004
  25#define DMAOR_NMIF      0x00000002
  26#define DMAOR_DME       0x00000001
  27
  28/* Definitions for the SuperH DMAC */
  29#define REQ_L   0x00000000
  30#define REQ_E   0x00080000
  31#define RACK_H  0x00000000
  32#define RACK_L  0x00040000
  33#define ACK_R   0x00000000
  34#define ACK_W   0x00020000
  35#define ACK_H   0x00000000
  36#define ACK_L   0x00010000
  37#define DM_INC  0x00004000
  38#define DM_DEC  0x00008000
  39#define DM_FIX  0x0000c000
  40#define SM_INC  0x00001000
  41#define SM_DEC  0x00002000
  42#define SM_FIX  0x00003000
  43#define RS_IN   0x00000200
  44#define RS_OUT  0x00000300
  45#define TS_BLK  0x00000040
  46#define TM_BUR  0x00000020
  47#define CHCR_DE 0x00000001
  48#define CHCR_TE 0x00000002
  49#define CHCR_IE 0x00000004
  50
  51#endif
  52