i386/linux/linux-2.3.21/include/asm-m68k/amigahw.h

   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 COPYING in the main directory of this archive
  11 ** for more details.
  12 **
  13 ** Created: 9/24/92 by Greg Harp
  14 */
  15
  16 #ifndef _M68K_AMIGAHW_H
  17 #define _M68K_AMIGAHW_H
  18
  19     /*
  20      *  Different Amiga models
  21      */
  22
  23 extern unsigned long amiga_model;
  24
  25 #define AMI_UNKNOWN     (0)
  26 #define AMI_500         (1)
  27 #define AMI_500PLUS     (2)
  28 #define AMI_600         (3)
  29 #define AMI_1000        (4)
  30 #define AMI_1200        (5)
  31 #define AMI_2000        (6)
  32 #define AMI_2500        (7)
  33 #define AMI_3000        (8)
  34 #define AMI_3000T       (9)
  35 #define AMI_3000PLUS    (10)
  36 #define AMI_4000        (11)
  37 #define AMI_4000T       (12)
  38 #define AMI_CDTV        (13)
  39 #define AMI_CD32        (14)
  40 #define AMI_DRACO       (15)
  41
  42
  43     /*
  44      *  Chipsets
  45      */
  46
  47 extern unsigned long amiga_chipset;
  48
  49 #define CS_STONEAGE     (0)
  50 #define CS_OCS          (1)
  51 #define CS_ECS          (2)
  52 #define CS_AGA          (3)
  53
  54
  55     /*
  56      *  Miscellaneous
  57      */
  58
  59 extern unsigned long amiga_eclock;      /* 700 kHz E Peripheral Clock */
  60 extern unsigned long amiga_masterclock; /* 28 MHz Master Clock */
  61 extern unsigned long amiga_colorclock;  /* 3.5 MHz Color Clock */
  62 extern unsigned long amiga_chip_size;   /* Chip RAM Size (bytes) */
  63 extern unsigned char amiga_vblank;      /* VBLANK Frequency */
  64 extern unsigned char amiga_psfreq;      /* Power Supply Frequency */
  65
  66
  67 #define AMIGAHW_DECLARE(name)   unsigned name : 1
  68 #define AMIGAHW_SET(name)       (amiga_hw_present.name = 1)
  69 #define AMIGAHW_PRESENT(name)   (amiga_hw_present.name)
  70
  71 struct amiga_hw_present {
  72     /* video hardware */
  73     AMIGAHW_DECLARE(AMI_VIDEO);         /* Amiga Video */
  74     AMIGAHW_DECLARE(AMI_BLITTER);       /* Amiga Blitter */
  75     AMIGAHW_DECLARE(AMBER_FF);          /* Amber Flicker Fixer */
  76     /* sound hardware */
  77     AMIGAHW_DECLARE(AMI_AUDIO);         /* Amiga Audio */
  78     /* disk storage interfaces */
  79     AMIGAHW_DECLARE(AMI_FLOPPY);        /* Amiga Floppy */
  80     AMIGAHW_DECLARE(A3000_SCSI);        /* SCSI (wd33c93, A3000 alike) */
  81     AMIGAHW_DECLARE(A4000_SCSI);        /* SCSI (ncr53c710, A4000T alike) */
  82     AMIGAHW_DECLARE(A1200_IDE);         /* IDE (A1200 alike) */
  83     AMIGAHW_DECLARE(A4000_IDE);         /* IDE (A4000 alike) */
  84     AMIGAHW_DECLARE(CD_ROM);            /* CD ROM drive */
  85     /* other I/O hardware */
  86     AMIGAHW_DECLARE(AMI_KEYBOARD);      /* Amiga Keyboard */
  87     AMIGAHW_DECLARE(AMI_MOUSE);         /* Amiga Mouse */
  88     AMIGAHW_DECLARE(AMI_SERIAL);        /* Amiga Serial */
  89     AMIGAHW_DECLARE(AMI_PARALLEL);      /* Amiga Parallel */
  90     /* real time clocks */
  91     AMIGAHW_DECLARE(A2000_CLK);         /* Hardware Clock (A2000 alike) */
  92     AMIGAHW_DECLARE(A3000_CLK);         /* Hardware Clock (A3000 alike) */
  93     /* supporting hardware */
  94     AMIGAHW_DECLARE(CHIP_RAM);          /* Chip RAM */
  95     AMIGAHW_DECLARE(PAULA);             /* Paula (8364) */
  96     AMIGAHW_DECLARE(DENISE);            /* Denise (8362) */
  97     AMIGAHW_DECLARE(DENISE_HR);         /* Denise (8373) */
  98     AMIGAHW_DECLARE(LISA);              /* Lisa (8375) */
  99     AMIGAHW_DECLARE(AGNUS_PAL);         /* Normal/Fat PAL Agnus (8367/8371) */
 100     AMIGAHW_DECLARE(AGNUS_NTSC);        /* Normal/Fat NTSC Agnus (8361/8370) */
 101     AMIGAHW_DECLARE(AGNUS_HR_PAL);      /* Fat Hires PAL Agnus (8372) */
 102     AMIGAHW_DECLARE(AGNUS_HR_NTSC);     /* Fat Hires NTSC Agnus (8372) */
 103     AMIGAHW_DECLARE(ALICE_PAL);         /* PAL Alice (8374) */
 104     AMIGAHW_DECLARE(ALICE_NTSC);        /* NTSC Alice (8374) */
 105     AMIGAHW_DECLARE(MAGIC_REKICK);      /* A3000 Magic Hard Rekick */
 106     AMIGAHW_DECLARE(PCMCIA);            /* PCMCIA Slot */
 107     AMIGAHW_DECLARE(ZORRO);             /* Zorro AutoConfig */
 108     AMIGAHW_DECLARE(ZORRO3);            /* Zorro III */
 109 };
 110
 111 extern struct amiga_hw_present amiga_hw_present;
 112
 113 struct CUSTOM {
 114     unsigned short bltddat;
 115     unsigned short dmaconr;
 116     unsigned short vposr;
 117     unsigned short vhposr;
 118     unsigned short dskdatr;
 119     unsigned short joy0dat;
 120     unsigned short joy1dat;
 121     unsigned short clxdat;
 122     unsigned short adkconr;
 123     unsigned short pot0dat;
 124     unsigned short pot1dat;
 125     unsigned short potgor;
 126     unsigned short serdatr;
 127     unsigned short dskbytr;
 128     unsigned short intenar;
 129     unsigned short intreqr;
 130     unsigned char  *dskptr;
 131     unsigned short dsklen;
 132     unsigned short dskdat;
 133     unsigned short refptr;
 134     unsigned short vposw;
 135     unsigned short vhposw;
 136     unsigned short copcon;
 137     unsigned short serdat;
 138     unsigned short serper;
 139     unsigned short potgo;
 140     unsigned short joytest;
 141     unsigned short strequ;
 142     unsigned short strvbl;
 143     unsigned short strhor;
 144     unsigned short strlong;
 145     unsigned short bltcon0;
 146     unsigned short bltcon1;
 147     unsigned short bltafwm;
 148     unsigned short bltalwm;
 149     unsigned char  *bltcpt;
 150     unsigned char  *bltbpt;
 151     unsigned char  *bltapt;
 152     unsigned char  *bltdpt;
 153     unsigned short bltsize;
 154     unsigned char  pad2d;
 155     unsigned char  bltcon0l;
 156     unsigned short bltsizv;
 157     unsigned short bltsizh;
 158     unsigned short bltcmod;
 159     unsigned short bltbmod;
 160     unsigned short bltamod;
 161     unsigned short bltdmod;
 162     unsigned short spare2[4];
 163     unsigned short bltcdat;
 164     unsigned short bltbdat;
 165     unsigned short bltadat;
 166     unsigned short spare3[3];
 167     unsigned short deniseid;
 168     unsigned short dsksync;
 169     unsigned short *cop1lc;
 170     unsigned short *cop2lc;
 171     unsigned short copjmp1;
 172     unsigned short copjmp2;
 173     unsigned short copins;
 174     unsigned short diwstrt;
 175     unsigned short diwstop;
 176     unsigned short ddfstrt;
 177     unsigned short ddfstop;
 178     unsigned short dmacon;
 179     unsigned short clxcon;
 180     unsigned short intena;
 181     unsigned short intreq;
 182     unsigned short adkcon;
 183     struct {
 184         unsigned short  *audlc;
 185         unsigned short audlen;
 186         unsigned short audper;
 187         unsigned short audvol;
 188         unsigned short auddat;
 189         unsigned short audspare[2];
 190     } aud[4];
 191     unsigned char  *bplpt[8];
 192     unsigned short bplcon0;
 193     unsigned short bplcon1;
 194     unsigned short bplcon2;
 195     unsigned short bplcon3;
 196     unsigned short bpl1mod;
 197     unsigned short bpl2mod;
 198     unsigned short bplcon4;
 199     unsigned short clxcon2;
 200     unsigned short bpldat[8];
 201     unsigned char  *sprpt[8];
 202     struct {
 203         unsigned short pos;
 204         unsigned short ctl;
 205         unsigned short dataa;
 206         unsigned short datab;
 207     } spr[8];
 208     unsigned short color[32];
 209     unsigned short htotal;
 210     unsigned short hsstop;
 211     unsigned short hbstrt;
 212     unsigned short hbstop;
 213     unsigned short vtotal;
 214     unsigned short vsstop;
 215     unsigned short vbstrt;
 216     unsigned short vbstop;
 217     unsigned short sprhstrt;
 218     unsigned short sprhstop;
 219     unsigned short bplhstrt;
 220     unsigned short bplhstop;
 221     unsigned short hhposw;
 222     unsigned short hhposr;
 223     unsigned short beamcon0;
 224     unsigned short hsstrt;
 225     unsigned short vsstrt;
 226     unsigned short hcenter;
 227     unsigned short diwhigh;
 228     unsigned short spare4[11];
 229     unsigned short fmode;
 230 };
 231
 232 /*
 233  * DMA register bits
 234  */
 235 #define DMAF_SETCLR             (0x8000)
 236 #define DMAF_AUD0               (0x0001)
 237 #define DMAF_AUD1               (0x0002)
 238 #define DMAF_AUD2               (0x0004)
 239 #define DMAF_AUD3               (0x0008)
 240 #define DMAF_DISK               (0x0010)
 241 #define DMAF_SPRITE             (0x0020)
 242 #define DMAF_BLITTER            (0x0040)
 243 #define DMAF_COPPER             (0x0080)
 244 #define DMAF_RASTER             (0x0100)
 245 #define DMAF_MASTER             (0x0200)
 246 #define DMAF_BLITHOG            (0x0400)
 247 #define DMAF_BLTNZERO           (0x2000)
 248 #define DMAF_BLTDONE            (0x4000)
 249 #define DMAF_ALL                (0x01FF)
 250
 251 struct CIA {
 252     unsigned char pra;          char pad0[0xff];
 253     unsigned char prb;          char pad1[0xff];
 254     unsigned char ddra;         char pad2[0xff];
 255     unsigned char ddrb;         char pad3[0xff];
 256     unsigned char talo;         char pad4[0xff];
 257     unsigned char tahi;         char pad5[0xff];
 258     unsigned char tblo;         char pad6[0xff];
 259     unsigned char tbhi;         char pad7[0xff];
 260     unsigned char todlo;        char pad8[0xff];
 261     unsigned char todmid;       char pad9[0xff];
 262     unsigned char todhi;        char pada[0x1ff];
 263     unsigned char sdr;          char padb[0xff];
 264     unsigned char icr;          char padc[0xff];
 265     unsigned char cra;          char padd[0xff];
 266     unsigned char crb;          char pade[0xff];
 267 };
 268
 269 #define zTwoBase (0x80000000)
 270 #define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
 271 #define ZTWO_VADDR(x) (((unsigned long)(x))+zTwoBase)
 272
 273 #define CUSTOM_PHYSADDR     (0xdff000)
 274 #define custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR)))
 275
 276 #define CIAA_PHYSADDR     (0xbfe001)
 277 #define CIAB_PHYSADDR     (0xbfd000)
 278 #define ciaa   ((*(volatile struct CIA *)(zTwoBase + CIAA_PHYSADDR)))
 279 #define ciab   ((*(volatile struct CIA *)(zTwoBase + CIAB_PHYSADDR)))
 280
 281 #define CHIP_PHYSADDR       (0x000000)
 282 #define chipaddr ((unsigned long)(zTwoBase + CHIP_PHYSADDR))
 283 void amiga_chip_init (void);
 284 void *amiga_chip_alloc (long size);
 285 void amiga_chip_free (void *);
 286 unsigned long amiga_chip_avail( void ); /*MILAN*/
 287
 288 struct tod3000 {
 289   unsigned int  :28, second2:4; /* lower digit */
 290   unsigned int  :28, second1:4; /* upper digit */
 291   unsigned int  :28, minute2:4; /* lower digit */
 292   unsigned int  :28, minute1:4; /* upper digit */
 293   unsigned int  :28, hour2:4;   /* lower digit */
 294   unsigned int  :28, hour1:4;   /* upper digit */
 295   unsigned int  :28, weekday:4;
 296   unsigned int  :28, day2:4;    /* lower digit */
 297   unsigned int  :28, day1:4;    /* upper digit */
 298   unsigned int  :28, month2:4;  /* lower digit */
 299   unsigned int  :28, month1:4;  /* upper digit */
 300   unsigned int  :28, year2:4;   /* lower digit */
 301   unsigned int  :28, year1:4;   /* upper digit */
 302   unsigned int  :28, cntrl1:4;  /* control-byte 1 */
 303   unsigned int  :28, cntrl2:4;  /* control-byte 2 */
 304   unsigned int  :28, cntrl3:4;  /* control-byte 3 */
 305 };
 306 #define TOD3000_CNTRL1_HOLD     0
 307 #define TOD3000_CNTRL1_FREE     9
 308 #define TOD_3000 ((struct tod3000 *)(zTwoBase+0xDC0000))
 309
 310 struct tod2000 {
 311   unsigned int  :28, second2:4; /* lower digit */
 312   unsigned int  :28, second1:4; /* upper digit */
 313   unsigned int  :28, minute2:4; /* lower digit */
 314   unsigned int  :28, minute1:4; /* upper digit */
 315   unsigned int  :28, hour2:4;   /* lower digit */
 316   unsigned int  :28, hour1:4;   /* upper digit */
 317   unsigned int  :28, day2:4;    /* lower digit */
 318   unsigned int  :28, day1:4;    /* upper digit */
 319   unsigned int  :28, month2:4;  /* lower digit */
 320   unsigned int  :28, month1:4;  /* upper digit */
 321   unsigned int  :28, year2:4;   /* lower digit */
 322   unsigned int  :28, year1:4;   /* upper digit */
 323   unsigned int  :28, weekday:4;
 324   unsigned int  :28, cntrl1:4;  /* control-byte 1 */
 325   unsigned int  :28, cntrl2:4;  /* control-byte 2 */
 326   unsigned int  :28, cntrl3:4;  /* control-byte 3 */
 327 };
 328
 329 #define TOD2000_CNTRL1_HOLD     (1<<0)
 330 #define TOD2000_CNTRL1_BUSY     (1<<1)
 331 #define TOD2000_CNTRL3_24HMODE  (1<<2)
 332 #define TOD2000_HOUR1_PM        (1<<2)
 333 #define TOD_2000 ((struct tod2000 *)(zTwoBase+0xDC0000))
 334
 335 #endif /* _M68K_AMIGAHW_H */