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