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/*

** asm-m68k/amigahw.h -- This header defines some macros and pointers for

**                    the various Amiga custom hardware registers.

**                    The naming conventions used here conform to those

**                    used in the Amiga Hardware Reference Manual, 3rd Edition

**

** Copyright 1992 by Greg Harp

**

** This file is subject to the terms and conditions of the GNU General Public

** License.  See the file COPYING in the main directory of this archive

** for more details.

**

** Created: 9/24/92 by Greg Harp

*/

#ifndef _ASMm68k_AMIGAHW_H_

#define _ASMm68k_AMIGAHW_H_

struct CUSTOM {

    u_short bltddat;

    u_short dmaconr;

    u_short vposr;

    u_short vhposr;

    u_short dskdatr;

    u_short joy0dat;

    u_short joy1dat;

    u_short clxdat;

    u_short adkconr;

    u_short pot0dat;

    u_short pot1dat;

    u_short potgor;

    u_short serdatr;

    u_short dskbytr;

    u_short intenar;

    u_short intreqr;

    u_char  *dskptr;

    u_short dsklen;

    u_short dskdat;

    u_short refptr;

    u_short vposw;

    u_short vhposw;

    u_short copcon;

    u_short serdat;

    u_short serper;

    u_short potgo;

    u_short joytest;

    u_short strequ;

    u_short strvbl;

    u_short strhor;

    u_short strlong;

    u_short bltcon0;

    u_short bltcon1;

    u_short bltafwm;

    u_short bltalwm;

    u_char  *bltcpt;

    u_char  *bltbpt;

    u_char  *bltapt;

    u_char  *bltdpt;

    u_short bltsize;

    u_char  pad2d;

    u_char  bltcon0l;

    u_short bltsizv;

    u_short bltsizh;

    u_short bltcmod;

    u_short bltbmod;

    u_short bltamod;

    u_short bltdmod;

    u_short spare2[4];

    u_short bltcdat;

    u_short bltbdat;

    u_short bltadat;

    u_short spare3[3];

    u_short deniseid;

    u_short dsksync;

    u_short *cop1lc;

    u_short *cop2lc;

    u_short copjmp1;

    u_short copjmp2;

    u_short copins;

    u_short diwstrt;

    u_short diwstop;

    u_short ddfstrt;

    u_short ddfstop;

    u_short dmacon;

    u_short clxcon;

    u_short intena;

    u_short intreq;

    u_short adkcon;

    struct {

        u_short *audlc;

        u_short audlen;

        u_short audper;

        u_short audvol;

        u_short auddat;

        u_short audspare[2];

    } aud[4];

    u_char  *bplpt[8];

    u_short bplcon0;

    u_short bplcon1;

    u_short bplcon2;

    u_short bplcon3;

    u_short bpl1mod;

    u_short bpl2mod;

    u_short bplcon4;

    u_short clxcon2;

    u_short bpldat[8];

    u_char  *sprpt[8];

    struct {

        u_short pos;

        u_short ctl;

        u_short dataa;

        u_short datab;

    } spr[8];

    u_short color[32];

    u_short htotal;

    u_short hsstop;

    u_short hbstrt;

    u_short hbstop;

    u_short vtotal;

    u_short vsstop;

    u_short vbstrt;

    u_short vbstop;

    u_short sprhstrt;

    u_short sprhstop;

    u_short bplhstrt;

    u_short bplhstop;

    u_short hhposw;

    u_short hhposr;

    u_short beamcon0;

    u_short hsstrt;

    u_short vsstrt;

    u_short hcenter;

    u_short diwhigh;

    u_short spare4[11];

    u_short fmode;

};

/*

 * DMA register bits

 */

#define DMAF_SETCLR             (0x8000)

#define DMAF_AUD0               (0x0001)

#define DMAF_AUD1               (0x0002)

#define DMAF_AUD2               (0x0004)

#define DMAF_AUD3               (0x0008)

#define DMAF_DISK               (0x0010)

#define DMAF_SPRITE             (0x0020)

#define DMAF_BLITTER            (0x0040)

#define DMAF_COPPER             (0x0080)

#define DMAF_RASTER             (0x0100)

#define DMAF_MASTER             (0x0200)

#define DMAF_BLITHOG            (0x0400)

#define DMAF_BLTNZERO           (0x2000)

#define DMAF_BLTDONE            (0x4000)

#define DMAF_ALL                (0x01FF)

struct CIA {

    u_char pra;                 char pad0[0xff];

    u_char prb;                 char pad1[0xff];

    u_char ddra;                char pad2[0xff];

    u_char ddrb;                char pad3[0xff];

    u_char talo;                char pad4[0xff];

    u_char tahi;                char pad5[0xff];

    u_char tblo;                char pad6[0xff];

    u_char tbhi;                char pad7[0xff];

    u_char todlo;               char pad8[0xff];

    u_char todmid;              char pad9[0xff];

    u_char todhi;               char pada[0x1ff];

    u_char sdr;                 char padb[0xff];

    u_char icr;                 char padc[0xff];

    u_char cra;                 char padd[0xff];

    u_char crb;                 char pade[0xff];

};

#if 1

#define zTwoBase (0x80000000)

#define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)

#define ZTWO_VADDR(x) (((unsigned long)(x))+zTwoBase)

#else

#define zTwoBase 0

#define ZTWO_PADDR(x) (x)

#define ZTWO_VADDR(x) (x)

#endif

#define CUSTOM_PHYSADDR     (0xdff000)

#define custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR)))

#define CIAA_PHYSADDR     (0xbfe001)

#define CIAB_PHYSADDR     (0xbfd000)

#define ciaa   ((*(volatile struct CIA *)(zTwoBase + CIAA_PHYSADDR)))

#define ciab   ((*(volatile struct CIA *)(zTwoBase + CIAB_PHYSADDR)))

#define CHIP_PHYSADDR       (0x000000)

#define chipaddr ((unsigned long)(zTwoBase + CHIP_PHYSADDR))

void amiga_chip_init (void);

void *amiga_chip_alloc (long size);

void amiga_chip_free (void *);

struct tod3000 {

  unsigned int  :28, second2:4; /* lower digit */

  unsigned int  :28, second1:4; /* upper digit */

  unsigned int  :28, minute2:4; /* lower digit */

  unsigned int  :28, minute1:4; /* upper digit */

  unsigned int  :28, hour2:4;   /* lower digit */

  unsigned int  :28, hour1:4;   /* upper digit */

  unsigned int  :28, weekday:4;

  unsigned int  :28, day2:4;    /* lower digit */

  unsigned int  :28, day1:4;    /* upper digit */

  unsigned int  :28, month2:4;  /* lower digit */

  unsigned int  :28, month1:4;  /* upper digit */

  unsigned int  :28, year2:4;   /* lower digit */

  unsigned int  :28, year1:4;   /* upper digit */

  unsigned int  :28, cntrl1:4;  /* control-byte 1 */

  unsigned int  :28, cntrl2:4;  /* control-byte 2 */

  unsigned int  :28, cntrl3:4;  /* control-byte 3 */

};

#define TOD3000_CNTRL1_HOLD     0

#define TOD3000_CNTRL1_FREE     9

#define TOD_3000 ((struct tod3000 *)(zTwoBase+0xDC0000))

struct tod2000 {

  unsigned int  :28, second2:4; /* lower digit */

  unsigned int  :28, second1:4; /* upper digit */

  unsigned int  :28, minute2:4; /* lower digit */

  unsigned int  :28, minute1:4; /* upper digit */

  unsigned int  :28, hour2:4;   /* lower digit */

  unsigned int  :28, hour1:4;   /* upper digit */

  unsigned int  :28, day2:4;    /* lower digit */

  unsigned int  :28, day1:4;    /* upper digit */

  unsigned int  :28, month2:4;  /* lower digit */

  unsigned int  :28, month1:4;  /* upper digit */

  unsigned int  :28, year2:4;   /* lower digit */

  unsigned int  :28, year1:4;   /* upper digit */

  unsigned int  :28, weekday:4;

  unsigned int  :28, cntrl1:4;  /* control-byte 1 */

  unsigned int  :28, cntrl2:4;  /* control-byte 2 */

  unsigned int  :28, cntrl3:4;  /* control-byte 3 */

};

#define TOD2000_CNTRL1_HOLD     (1<<0)

#define TOD2000_CNTRL1_BUSY     (1<<1)

#define TOD2000_CNTRL3_24HMODE  (1<<2)

#define TOD2000_HOUR1_PM        (1<<2)

#define TOD_2000 ((struct tod2000 *)(zTwoBase+0xDC0000))

#endif /* asm-m68k/amigahw.h */