root/include/asm-m68k/amigahw.h

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   1 /*
   2 ** asm-m68k/amigahw.h -- This header defines some macros and pointers for
   3 **                    the various Amiga custom hardware registers.
   4 **                    The naming conventions used here conform to those
   5 **                    used in the Amiga Hardware Reference Manual, 3rd Edition
   6 **
   7 ** Copyright 1992 by Greg Harp
   8 **
   9 ** This file is subject to the terms and conditions of the GNU General Public
  10 ** License.  See the file README.legal in the main directory of this archive
  11 ** for more details.
  12 **
  13 ** Created: 9/24/92 by Greg Harp
  14 */
  15 
  16 #ifndef _ASMm68k_AMIGAHW_H_
  17 #define _ASMm68k_AMIGAHW_H_
  18 
  19 struct CUSTOM {
  20     u_short bltddat;
  21     u_short dmaconr;
  22     u_short vposr;
  23     u_short vhposr;
  24     u_short dskdatr;
  25     u_short joy0dat;
  26     u_short joy1dat;
  27     u_short clxdat;
  28     u_short adkconr;
  29     u_short pot0dat;
  30     u_short pot1dat;
  31     u_short potgor;
  32     u_short serdatr;
  33     u_short dskbytr;
  34     u_short intenar;
  35     u_short intreqr;
  36     u_char  *dskptr;
  37     u_short dsklen;
  38     u_short dskdat;
  39     u_short refptr;
  40     u_short vposw;
  41     u_short vhposw;
  42     u_short copcon;
  43     u_short serdat;
  44     u_short serper;
  45     u_short potgo;
  46     u_short joytest;
  47     u_short strequ;
  48     u_short strvbl;
  49     u_short strhor;
  50     u_short strlong;
  51     u_short bltcon0;
  52     u_short bltcon1;
  53     u_short bltafwm;
  54     u_short bltalwm;
  55     u_char  *bltcpt;
  56     u_char  *bltbpt;
  57     u_char  *bltapt;
  58     u_char  *bltdpt;
  59     u_short bltsize;
  60     u_char  pad2d;
  61     u_char  bltcon0l;
  62     u_short bltsizv;
  63     u_short bltsizh;
  64     u_short bltcmod;
  65     u_short bltbmod;
  66     u_short bltamod;
  67     u_short bltdmod;
  68     u_short spare2[4];
  69     u_short bltcdat;
  70     u_short bltbdat;
  71     u_short bltadat;
  72     u_short spare3[3];
  73     u_short deniseid;
  74     u_short dsksync;
  75     u_short *cop1lc;
  76     u_short *cop2lc;
  77     u_short copjmp1;
  78     u_short copjmp2;
  79     u_short copins;
  80     u_short diwstrt;
  81     u_short diwstop;
  82     u_short ddfstrt;
  83     u_short ddfstop;
  84     u_short dmacon;
  85     u_short clxcon;
  86     u_short intena;
  87     u_short intreq;
  88     u_short adkcon;
  89     struct {
  90         u_short *audlc;
  91         u_short audlen;
  92         u_short audper;
  93         u_short audvol;
  94         u_short auddat;
  95         u_short audspare[2];
  96     } aud[4];
  97     u_char  *bplpt[8];
  98     u_short bplcon0;
  99     u_short bplcon1;
 100     u_short bplcon2;
 101     u_short bplcon3;
 102     u_short bpl1mod;
 103     u_short bpl2mod;
 104     u_short bplcon4;
 105     u_short clxcon2;
 106     u_short bpldat[8];
 107     u_char  *sprpt[8];
 108     struct {
 109         u_short pos;
 110         u_short ctl;
 111         u_short dataa;
 112         u_short datab;
 113     } spr[8];
 114     u_short color[32];
 115     u_short htotal;
 116     u_short hsstop;
 117     u_short hbstrt;
 118     u_short hbstop;
 119     u_short vtotal;
 120     u_short vsstop;
 121     u_short vbstrt;
 122     u_short vbstop;
 123     u_short sprhstrt;
 124     u_short sprhstop;
 125     u_short bplhstrt;
 126     u_short bplhstop;
 127     u_short hhposw;
 128     u_short hhposr;
 129     u_short beamcon0;
 130     u_short hsstrt;
 131     u_short vsstrt;
 132     u_short hcenter;
 133     u_short diwhigh;
 134     u_short spare4[11];
 135     u_short fmode;
 136 };
 137 
 138 /*
 139  * DMA register bits
 140  */
 141 #define DMAF_SETCLR             (0x8000)
 142 #define DMAF_AUD0               (0x0001)
 143 #define DMAF_AUD1               (0x0002)
 144 #define DMAF_AUD2               (0x0004)
 145 #define DMAF_AUD3               (0x0008)
 146 #define DMAF_DISK               (0x0010)
 147 #define DMAF_SPRITE             (0x0020)
 148 #define DMAF_BLITTER            (0x0040)
 149 #define DMAF_COPPER             (0x0080)
 150 #define DMAF_RASTER             (0x0100)
 151 #define DMAF_MASTER             (0x0200)
 152 #define DMAF_BLITHOG            (0x0400)
 153 #define DMAF_BLTNZERO           (0x2000)
 154 #define DMAF_BLTDONE            (0x4000)
 155 #define DMAF_ALL                (0x01FF)
 156 
 157 struct CIA {
 158     u_char pra;                 char pad0[0xff];
 159     u_char prb;                 char pad1[0xff];
 160     u_char ddra;                char pad2[0xff];
 161     u_char ddrb;                char pad3[0xff];
 162     u_char talo;                char pad4[0xff];
 163     u_char tahi;                char pad5[0xff];
 164     u_char tblo;                char pad6[0xff];
 165     u_char tbhi;                char pad7[0xff];
 166     u_char todlo;               char pad8[0xff];
 167     u_char todmid;              char pad9[0xff];
 168     u_char todhi;               char pada[0x1ff];
 169     u_char sdr;                 char padb[0xff];
 170     u_char icr;                 char padc[0xff];
 171     u_char cra;                 char padd[0xff];
 172     u_char crb;                 char pade[0xff];
 173 };
 174 
 175 #if 1
 176 #define zTwoBase (0x80000000)
 177 #define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
 178 #define ZTWO_VADDR(x) (((unsigned long)(x))+zTwoBase)
 179 #else
 180 #define zTwoBase 0
 181 #define ZTWO_PADDR(x) (x)
 182 #define ZTWO_VADDR(x) (x)
 183 #endif
 184 
 185 #define CUSTOM_PHYSADDR     (0xdff000)
 186 #define custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR)))
 187 
 188 #define CIAA_PHYSADDR     (0xbfe001)
 189 #define CIAB_PHYSADDR     (0xbfd000)
 190 #define ciaa   ((*(volatile struct CIA *)(zTwoBase + CIAA_PHYSADDR)))
 191 #define ciab   ((*(volatile struct CIA *)(zTwoBase + CIAB_PHYSADDR)))
 192 
 193 #define CHIP_PHYSADDR       (0x000000)
 194 #define chipaddr ((unsigned long)(zTwoBase + CHIP_PHYSADDR))
 195 void amiga_chip_init (void);
 196 void *amiga_chip_alloc (long size);
 197 void amiga_chip_free (void *);
 198 
 199 struct tod3000 {
 200   unsigned int  :28, second2:4; /* lower digit */
 201   unsigned int  :28, second1:4; /* upper digit */
 202   unsigned int  :28, minute2:4; /* lower digit */
 203   unsigned int  :28, minute1:4; /* upper digit */
 204   unsigned int  :28, hour2:4;   /* lower digit */
 205   unsigned int  :28, hour1:4;   /* upper digit */
 206   unsigned int  :28, weekday:4;
 207   unsigned int  :28, day2:4;    /* lower digit */
 208   unsigned int  :28, day1:4;    /* upper digit */
 209   unsigned int  :28, month2:4;  /* lower digit */
 210   unsigned int  :28, month1:4;  /* upper digit */
 211   unsigned int  :28, year2:4;   /* lower digit */
 212   unsigned int  :28, year1:4;   /* upper digit */
 213   unsigned int  :28, cntrl1:4;  /* control-byte 1 */
 214   unsigned int  :28, cntrl2:4;  /* control-byte 2 */  
 215   unsigned int  :28, cntrl3:4;  /* control-byte 3 */
 216 };
 217 #define TOD3000_CNTRL1_HOLD     0
 218 #define TOD3000_CNTRL1_FREE     9
 219 #define TOD_3000 ((struct tod3000 *)(zTwoBase+0xDC0000))
 220 
 221 struct tod2000 {
 222   unsigned int  :28, second2:4; /* lower digit */
 223   unsigned int  :28, second1:4; /* upper digit */
 224   unsigned int  :28, minute2:4; /* lower digit */
 225   unsigned int  :28, minute1:4; /* upper digit */
 226   unsigned int  :28, hour2:4;   /* lower digit */
 227   unsigned int  :28, hour1:4;   /* upper digit */
 228   unsigned int  :28, day2:4;    /* lower digit */
 229   unsigned int  :28, day1:4;    /* upper digit */
 230   unsigned int  :28, month2:4;  /* lower digit */
 231   unsigned int  :28, month1:4;  /* upper digit */
 232   unsigned int  :28, year2:4;   /* lower digit */
 233   unsigned int  :28, year1:4;   /* upper digit */
 234   unsigned int  :28, weekday:4;
 235   unsigned int  :28, cntrl1:4;  /* control-byte 1 */
 236   unsigned int  :28, cntrl2:4;  /* control-byte 2 */  
 237   unsigned int  :28, cntrl3:4;  /* control-byte 3 */
 238 };
 239 
 240 #define TOD2000_CNTRL1_HOLD     (1<<0)
 241 #define TOD2000_CNTRL1_BUSY     (1<<1)
 242 #define TOD2000_CNTRL3_24HMODE  (1<<2)
 243 #define TOD2000_HOUR1_PM        (1<<2)
 244 #define TOD_2000 ((struct tod2000 *)(zTwoBase+0xDC0000))
 245 
 246 #endif /* asm-m68k/amigahw.h */
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