sys/arch/arm/iomd/vidc.h

   1 /*      $NetBSD: vidc.h,v 1.12 2006/08/17 22:47:33 bjh21 Exp $  */
   2
   3 /*
   4  * Copyright (c) 1994,1995 Mark Brinicombe.
   5  * Copyright (c) 1994,1995 Brini.
   6  * All rights reserved.
   7  *
   8  * This code is derived from software written for Brini by Mark Brinicombe
   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  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by Brini.
  21  * 4. The name of the company nor the name of the author may be used to
  22  *    endorse or promote products derived from this software without specific
  23  *    prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
  26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  28  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  *
  37  * RiscBSD kernel project
  38  *
  39  * vidc.h
  40  *
  41  * VIDC20 registers
  42  *
  43  * Created      : 18/09/94
  44  *
  45  * Based on kate/display/vidc.h
  46  */
  47
  48 /*
  49  * This should be private to the vidc directory but there are still dependancies
  50  * between the vidc and the riscpc virtual console (struct vidc_mode) that
  51  * means this file must be exported to userland.
  52  * With the import of the new console code this will go away.
  53  */
  54
  55 #ifndef _ARM32_VIDC_H_
  56 #define _ARM32_VIDC_H_
  57
  58 #include <dev/videomode/videomode.h>
  59 #include <machine/vidc_machdep.h>
  60
  61 /*
  62  * Current VIDC base set in initarm()
  63  * since the current code isnt busspaceified, we need to set it manually ...
  64  * this is to allow the VIDC to be moved.
  65  */
  66 extern int *vidc_base;
  67
  68
  69 /* Video registers */
  70
  71 #define VIDC_PALETTE 0x00000000
  72 #define VIDC_PALREG  0x10000000
  73
  74 #define VIDC_BCOL    0x40000000
  75 #define VIDC_CP0     0x40000000
  76 #define VIDC_CP1     0x50000000
  77 #define VIDC_CP2     0x60000000
  78 #define VIDC_CP3     0x70000000
  79
  80 #define VIDC_HCR     0x80000000
  81 #define VIDC_HSWR    0x81000000
  82 #define VIDC_HBSR    0x82000000
  83 #define VIDC_HDSR    0x83000000
  84 #define VIDC_HDER    0x84000000
  85 #define VIDC_HBER    0x85000000
  86 #define VIDC_HCSR    0x86000000
  87 #define VIDC_HIR     0x87000000
  88
  89 #define VIDC_VCR     0x90000000
  90 #define VIDC_VSWR    0x91000000
  91 #define VIDC_VBSR    0x92000000
  92 #define VIDC_VDSR    0x93000000
  93 #define VIDC_VDER    0x94000000
  94 #define VIDC_VBER    0x95000000
  95 #define VIDC_VCSR    0x96000000
  96 #define VIDC_VCER    0x97000000
  97
  98 #define VIDC_EREG    0xc0000000
  99 #define VIDC_FSYNREG 0xd0000000
 100 #define VIDC_CONREG  0xe0000000
 101 #define VIDC_DCTL    0xf0000000
 102
 103 /* VIDC palette macros */
 104
 105 #define VIDC_RED(r)   (r)
 106 #define VIDC_GREEN(g) ((g) << 8)
 107 #define VIDC_BLUE(b)  ((b) << 16)
 108 #define VIDC_COL(r, g, b) (VIDC_RED(r) | VIDC_GREEN(g) | VIDC_BLUE(b))
 109
 110
 111 /* Sound registers */
 112
 113 #define VIDC_SIR0    0xa0000000
 114 #define VIDC_SIR1    0xa1000000
 115 #define VIDC_SIR2    0xa2000000
 116 #define VIDC_SIR3    0xa3000000
 117 #define VIDC_SIR4    0xa4000000
 118 #define VIDC_SIR5    0xa5000000
 119 #define VIDC_SIR6    0xa6000000
 120 #define VIDC_SIR7    0xa7000000
 121
 122 #define VIDC_SFR     0xb0000000
 123 #define VIDC_SCR     0xb1000000
 124
 125 #define SIR_LEFT_100  0x01
 126 #define SIR_LEFT_83   0x02
 127 #define SIR_LEFT_67   0x03
 128 #define SIR_CENTRE    0x04
 129 #define SIR_RIGHT_67  0x05
 130 #define SIR_RIGHT_83  0x06
 131 #define SIR_RIGHT_100 0x07
 132
 133 #define SCR_SCLR        0x08
 134 #define SCR_SDAC        0x04
 135 #define SCR_SERIAL      0x02
 136 #define SCR_CLKSEL      0x01
 137
 138 /* Video display addresses */
 139
 140 /* Where the display memory is mapped */
 141 /* note that there's not normally more than 2MB */
 142 #define VMEM_VBASE 0xf7000000
 143
 144 /* Where the VRAM will be found */
 145
 146 #define VRAM_BASE  0x02000000
 147
 148 #ifndef _LOCORE
 149
 150 /* Video memory descriptor */
 151
 152 typedef struct
 153   {
 154     u_int vidm_vbase;   /* virtual base of video memory */
 155     u_int vidm_pbase;   /* physical base of video memory */
 156     u_int vidm_size;    /* video memory size */
 157     int   vidm_type;    /* video memory type */
 158   } videomemory_t;
 159
 160 #define VIDEOMEM_TYPE_VRAM 0x01
 161 #define VIDEOMEM_TYPE_DRAM 0x02
 162
 163 /* Structures and prototypes for vidc handling functions */
 164
 165 struct vidc_state {
 166         int palette[256];
 167         int palreg;
 168         int bcol;
 169         int cp1;
 170         int cp2;
 171         int cp3;
 172         int hcr, hswr, hbsr, hdsr, hder, hber, hcsr;
 173         int hir;
 174         int vcr, vswr, vbsr, vdsr, vder, vber, vcsr, vcer;
 175         int ereg;
 176         int fsynreg;
 177         int conreg;
 178         int dctl;
 179 };
 180
 181 extern int vidc_fref;           /* reference frequency of detected VIDC */
 182
 183 extern struct vidc_state vidc_current[];
 184
 185 struct vidc_mode {
 186         struct  videomode timings;
 187         int     log2_bpp;
 188 };
 189
 190 #endif  /* !_LOCORE */
 191
 192 #endif  /* !_ARM32_VIDC_H */
 193
 194 /* End of vidc.h */
 195