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Diffstat (limited to 'include/asm-m68k/amigahw.h')
| -rw-r--r-- | include/asm-m68k/amigahw.h | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/include/asm-m68k/amigahw.h b/include/asm-m68k/amigahw.h new file mode 100644 index 000000000..f8268fa7d --- /dev/null +++ b/include/asm-m68k/amigahw.h @@ -0,0 +1,247 @@ +/* +** 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 *); +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 /* asm-m68k/amigahw.h */ |