sys/arch/sun3/dev/p4reg.h

   1 /*      $NetBSD: p4reg.h,v 1.5 2005/12/11 12:19:20 christos Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Copyright (c) 1995 Theo de Raadt
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  55  */
  56
  57 /*
  58  * P4 framebuffer register.  Most Sun framebuffers have a P4
  59  * register at the beginning of the physical space occupied
  60  * by the framebuffer that identifies its type, size, etc.
  61  */
  62
  63 #define P4_REG_DIAG             0x80
  64 #define P4_REG_READBACKCLR      0x40
  65 #define P4_REG_VIDEO            0x20
  66 #define P4_REG_SYNC             0x10
  67 #define P4_REG_VTRACE           0x08
  68 #define P4_REG_INT              0x04    /* r: pending */
  69 #define P4_REG_INTCLR           0x04    /* w: clear it */
  70 #define P4_REG_INTEN            0x02
  71 #define P4_REG_FIRSTHALF        0x01
  72 #define P4_REG_RESET            0x01
  73
  74 #define P4_FBTYPE_MASK  0x7f000000
  75 #define P4_FBTYPE(x)            ((x) >> 24)
  76
  77 #define P4_ID_MASK              0xf0
  78 #define P4_ID(x)                (P4_FBTYPE((x)) == P4_ID_COLOR24 ? \
  79                                     P4_ID_COLOR24 : \
  80                                     P4_FBTYPE((x)) & P4_ID_MASK)
  81
  82 #define P4_NOTFOUND             -1      /* no P4 register */
  83 #define P4_ID_BW                0x00    /* BW2: monochrome */
  84 #define P4_ID_FASTCOLOR         0x60    /* CG6: accelerated 8-bit color */
  85 #define P4_ID_COLOR8P1          0x40    /* CG4: 8-bit color + overlay */
  86 #define P4_ID_COLOR24           0x45    /* CG8: 24-bit color + overlay */
  87
  88 #define P4_SIZE_MASK            0x0f
  89 #define P4_SIZE(x)              (P4_FBTYPE((x)) & P4_SIZE_MASK)
  90 #define P4_SIZE_1600X1280       0x00
  91 #define P4_SIZE_1152X900        0x01
  92 #define P4_SIZE_1024X1024       0x02
  93 #define P4_SIZE_1280X1024       0x03
  94 #define P4_SIZE_1440X1440       0x04
  95 #define P4_SIZE_640X480 0x05
  96
  97 /* Offset of bwtwo framebuffer from P4 register */
  98 #define P4_BW_OFF               0x00100000
  99
 100 /* Offsets for color framebuffers */
 101 #define P4_COLOR_OFF_OVERLAY    0x00100000
 102 #define P4_COLOR_OFF_ENABLE     0x00300000
 103 #define P4_COLOR_OFF_COLOR      0x00500000
 104 #define P4_COLOR_OFF_END        0x00700000
 105 #define P4_COLOR_OFF_CMAP       0xfff00000      /* (-0x00100000) */