sys/arch/newsmips/dev/dmac_0448.h

   1 /*      $NetBSD: dmac_0448.h,v 1.5 2005/12/11 12:18:24 christos Exp $   */
   2 /*
   3  * Copyright (c) 1992, 1993
   4  *      The Regents of the University of California.  All rights reserved.
   5  *
   6  * This code is derived from software contributed to Berkeley by
   7  * Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  * from: $Hdr: dmac_0448.h,v 4.300 91/06/09 06:21:36 root Rel41 $ SONY
  34  *
  35  *      @(#)dmac_0448.h 8.1 (Berkeley) 6/11/93
  36  */
  37
  38 /*
  39  * Copyright (c) 1989- by SONY Corporation.
  40  */
  41 /*
  42  *      dmac_0448.h
  43  *              DMAC L7A0448
  44  */
  45
  46 /*      dmac register base address      */
  47 #define DMAC_BASE               0xbfe00000
  48
  49 /*      register definition     */
  50 #define DMAC_GSTAT              (DMAC_BASE + 0xf)
  51 #define DMAC_GSEL               (DMAC_BASE + 0xe)
  52
  53 #define DMAC_CSTAT              (DMAC_BASE + 0x2)
  54 #define DMAC_CCTL               (DMAC_BASE + 0x3)
  55 #define DMAC_CTRCL              (DMAC_BASE + 0x4)
  56 #define DMAC_CTRCM              (DMAC_BASE + 0x5)
  57 #define DMAC_CTRCH              (DMAC_BASE + 0x6)
  58 #define DMAC_CTAG               (DMAC_BASE + 0x7)
  59 #define DMAC_CWID               (DMAC_BASE + 0x8)
  60 #define DMAC_COFSL              (DMAC_BASE + 0x9)
  61 #define DMAC_COFSH              (DMAC_BASE + 0xa)
  62 #define DMAC_CMAP               (DMAC_BASE + 0xc)
  63 #define DMAC_CMAPH              (DMAC_BASE + 0xc)
  64 #define DMAC_CMAPL              (DMAC_BASE + 0xd)
  65
  66 #define dmac_gstat              (*(volatile uint8_t *)DMAC_GSTAT)
  67 #define dmac_gsel               (*(volatile uint8_t *)DMAC_GSEL)
  68
  69 #define dmac_cstat              (*(volatile uint8_t *)DMAC_CSTAT)
  70 #define dmac_cctl               (*(volatile uint8_t *)DMAC_CCTL)
  71 #define dmac_ctrcl              (*(volatile uint8_t *)DMAC_CTRCL)
  72 #define dmac_ctrcm              (*(volatile uint8_t *)DMAC_CTRCM)
  73 #define dmac_ctrch              (*(volatile uint8_t *)DMAC_CTRCH)
  74 #define dmac_ctag               (*(volatile uint8_t *)DMAC_CTAG)
  75 #define dmac_cwid               (*(volatile uint8_t *)DMAC_CWID)
  76 #define dmac_cofsl              (*(volatile uint8_t *)DMAC_COFSL)
  77 #define dmac_cofsh              (*(volatile uint8_t *)DMAC_COFSH)
  78 #define dmac_cmap               (*(volatile uint16_t *)DMAC_CMAP)
  79 #define dmac_cmaph              (*(volatile uint8_t *)DMAC_CMAPH)
  80 #define dmac_cmapl              (*(volatile uint8_t *)DMAC_CMAPL)
  81
  82 /*      status/control bit definition   */
  83 #define DM_TCZ                  0x80
  84 #define DM_A28                  0x40
  85 #define DM_AFIX                 0x20
  86 #define DM_APAD                 0x10
  87 #define DM_ZINTEN               0x08
  88 #define DM_RST                  0x04
  89 #define DM_MODE                 0x02
  90 #define DM_ENABLE               0x01
  91
  92 /*      general status bit definition   */
  93 #define CH_INT(x)               (uint8_t)(1 << (2 * x))
  94 #define CH0_INT                 0x01
  95 #define CH1_INT                 0x04
  96 #define CH2_INT                 0x10
  97 #define CH3_INT                 0x40
  98
  99 #define CH_MRQ(x)               (uint8_t)(1 << (2 * x + 1))
 100 #define CH0_MRQ                 0x02
 101 #define CH1_MRQ                 0x08
 102 #define CH2_MRQ                 0x20
 103 #define CH3_MRQ                 0x80
 104
 105 /*      channel definition      */
 106 #define CH_SCSI                 0
 107 #define CH_FDC                  1
 108 #define CH_AUDIO                2
 109 #define CH_VIDEO                3
 110
 111 /*      dma status              */
 112
 113 struct  dm_stat {
 114         unsigned int dm_gstat;
 115         unsigned int dm_cstat;
 116         unsigned int dm_cctl;
 117         unsigned int dm_tcnt;
 118         unsigned int dm_offset;
 119         unsigned int dm_tag;
 120         unsigned int dm_width;
 121 };
 122
 123 #define DMAC_WAIT       nops(10)
 124
 125 #define PINTEN          0xbfc80001
 126 # define        DMA_INTEN       0x10
 127 #define PINTSTAT        0xbfc80003