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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 _M68K_AMIGAHW_H
#define _M68K_AMIGAHW_H
/*
* Different Amiga models
*/
extern u_long amiga_model;
#define AMI_UNKNOWN (0)
#define AMI_500 (1)
#define AMI_500PLUS (2)
#define AMI_600 (3)
#define AMI_1000 (4)
#define AMI_1200 (5)
#define AMI_2000 (6)
#define AMI_2500 (7)
#define AMI_3000 (8)
#define AMI_3000T (9)
#define AMI_3000PLUS (10)
#define AMI_4000 (11)
#define AMI_4000T (12)
#define AMI_CDTV (13)
#define AMI_CD32 (14)
#define AMI_DRACO (15)
/*
* Chipsets
*/
extern u_long amiga_chipset;
#define CS_STONEAGE (0)
#define CS_OCS (1)
#define CS_ECS (2)
#define CS_AGA (3)
/*
* Miscellaneous
*/
extern u_long amiga_eclock; /* 700 kHz E Peripheral Clock */
extern u_long amiga_masterclock; /* 28 MHz Master Clock */
extern u_long amiga_colorclock; /* 3.5 MHz Color Clock */
extern u_long amiga_chip_size; /* Chip RAM Size (bytes) */
extern u_char amiga_vblank; /* VBLANK Frequency */
extern u_char amiga_psfreq; /* Power Supply Frequency */
#define AMIGAHW_DECLARE(name) unsigned name : 1
#define AMIGAHW_SET(name) (amiga_hw_present.name = 1)
#define AMIGAHW_PRESENT(name) (amiga_hw_present.name)
struct amiga_hw_present {
/* video hardware */
AMIGAHW_DECLARE(AMI_VIDEO); /* Amiga Video */
AMIGAHW_DECLARE(AMI_BLITTER); /* Amiga Blitter */
AMIGAHW_DECLARE(AMBER_FF); /* Amber Flicker Fixer */
/* sound hardware */
AMIGAHW_DECLARE(AMI_AUDIO); /* Amiga Audio */
/* disk storage interfaces */
AMIGAHW_DECLARE(AMI_FLOPPY); /* Amiga Floppy */
AMIGAHW_DECLARE(A3000_SCSI); /* SCSI (wd33c93, A3000 alike) */
AMIGAHW_DECLARE(A4000_SCSI); /* SCSI (ncr53c710, A4000T alike) */
AMIGAHW_DECLARE(A1200_IDE); /* IDE (A1200 alike) */
AMIGAHW_DECLARE(A4000_IDE); /* IDE (A4000 alike) */
AMIGAHW_DECLARE(CD_ROM); /* CD ROM drive */
/* other I/O hardware */
AMIGAHW_DECLARE(AMI_KEYBOARD); /* Amiga Keyboard */
AMIGAHW_DECLARE(AMI_MOUSE); /* Amiga Mouse */
AMIGAHW_DECLARE(AMI_SERIAL); /* Amiga Serial */
AMIGAHW_DECLARE(AMI_PARALLEL); /* Amiga Parallel */
/* real time clocks */
AMIGAHW_DECLARE(A2000_CLK); /* Hardware Clock (A2000 alike) */
AMIGAHW_DECLARE(A3000_CLK); /* Hardware Clock (A3000 alike) */
/* supporting hardware */
AMIGAHW_DECLARE(CHIP_RAM); /* Chip RAM */
AMIGAHW_DECLARE(PAULA); /* Paula (8364) */
AMIGAHW_DECLARE(DENISE); /* Denise (8362) */
AMIGAHW_DECLARE(DENISE_HR); /* Denise (8373) */
AMIGAHW_DECLARE(LISA); /* Lisa (8375) */
AMIGAHW_DECLARE(AGNUS_PAL); /* Normal/Fat PAL Agnus (8367/8371) */
AMIGAHW_DECLARE(AGNUS_NTSC); /* Normal/Fat NTSC Agnus (8361/8370) */
AMIGAHW_DECLARE(AGNUS_HR_PAL); /* Fat Hires PAL Agnus (8372) */
AMIGAHW_DECLARE(AGNUS_HR_NTSC); /* Fat Hires NTSC Agnus (8372) */
AMIGAHW_DECLARE(ALICE_PAL); /* PAL Alice (8374) */
AMIGAHW_DECLARE(ALICE_NTSC); /* NTSC Alice (8374) */
AMIGAHW_DECLARE(MAGIC_REKICK); /* A3000 Magic Hard Rekick */
AMIGAHW_DECLARE(PCMCIA); /* PCMCIA Slot */
AMIGAHW_DECLARE(ZORRO); /* Zorro AutoConfig */
AMIGAHW_DECLARE(ZORRO3); /* Zorro III */
};
extern struct amiga_hw_present amiga_hw_present;
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];
};
#define zTwoBase (0x80000000)
#define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
#define ZTWO_VADDR(x) (((unsigned long)(x))+zTwoBase)
#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 *);
unsigned long amiga_chip_avail( void ); /*MILAN*/
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 /* __ASMm68k_AMIGAHW_H */
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