| /* |
| ** 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 |
| |
| #include <linux/ioport.h> |
| |
| /* |
| * Different Amiga models |
| */ |
| |
| #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 unsigned long amiga_chipset; |
| |
| #define CS_STONEAGE (0) |
| #define CS_OCS (1) |
| #define CS_ECS (2) |
| #define CS_AGA (3) |
| |
| |
| /* |
| * Miscellaneous |
| */ |
| |
| extern unsigned long amiga_eclock; /* 700 kHz E Peripheral Clock */ |
| extern unsigned long amiga_colorclock; /* 3.5 MHz Color Clock */ |
| extern unsigned long amiga_chip_size; /* Chip RAM Size (bytes) */ |
| extern unsigned char amiga_vblank; /* VBLANK 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 { |
| unsigned short bltddat; |
| unsigned short dmaconr; |
| unsigned short vposr; |
| unsigned short vhposr; |
| unsigned short dskdatr; |
| unsigned short joy0dat; |
| unsigned short joy1dat; |
| unsigned short clxdat; |
| unsigned short adkconr; |
| unsigned short pot0dat; |
| unsigned short pot1dat; |
| unsigned short potgor; |
| unsigned short serdatr; |
| unsigned short dskbytr; |
| unsigned short intenar; |
| unsigned short intreqr; |
| unsigned char *dskptr; |
| unsigned short dsklen; |
| unsigned short dskdat; |
| unsigned short refptr; |
| unsigned short vposw; |
| unsigned short vhposw; |
| unsigned short copcon; |
| unsigned short serdat; |
| unsigned short serper; |
| unsigned short potgo; |
| unsigned short joytest; |
| unsigned short strequ; |
| unsigned short strvbl; |
| unsigned short strhor; |
| unsigned short strlong; |
| unsigned short bltcon0; |
| unsigned short bltcon1; |
| unsigned short bltafwm; |
| unsigned short bltalwm; |
| unsigned char *bltcpt; |
| unsigned char *bltbpt; |
| unsigned char *bltapt; |
| unsigned char *bltdpt; |
| unsigned short bltsize; |
| unsigned char pad2d; |
| unsigned char bltcon0l; |
| unsigned short bltsizv; |
| unsigned short bltsizh; |
| unsigned short bltcmod; |
| unsigned short bltbmod; |
| unsigned short bltamod; |
| unsigned short bltdmod; |
| unsigned short spare2[4]; |
| unsigned short bltcdat; |
| unsigned short bltbdat; |
| unsigned short bltadat; |
| unsigned short spare3[3]; |
| unsigned short deniseid; |
| unsigned short dsksync; |
| unsigned short *cop1lc; |
| unsigned short *cop2lc; |
| unsigned short copjmp1; |
| unsigned short copjmp2; |
| unsigned short copins; |
| unsigned short diwstrt; |
| unsigned short diwstop; |
| unsigned short ddfstrt; |
| unsigned short ddfstop; |
| unsigned short dmacon; |
| unsigned short clxcon; |
| unsigned short intena; |
| unsigned short intreq; |
| unsigned short adkcon; |
| struct { |
| unsigned short *audlc; |
| unsigned short audlen; |
| unsigned short audper; |
| unsigned short audvol; |
| unsigned short auddat; |
| unsigned short audspare[2]; |
| } aud[4]; |
| unsigned char *bplpt[8]; |
| unsigned short bplcon0; |
| unsigned short bplcon1; |
| unsigned short bplcon2; |
| unsigned short bplcon3; |
| unsigned short bpl1mod; |
| unsigned short bpl2mod; |
| unsigned short bplcon4; |
| unsigned short clxcon2; |
| unsigned short bpldat[8]; |
| unsigned char *sprpt[8]; |
| struct { |
| unsigned short pos; |
| unsigned short ctl; |
| unsigned short dataa; |
| unsigned short datab; |
| } spr[8]; |
| unsigned short color[32]; |
| unsigned short htotal; |
| unsigned short hsstop; |
| unsigned short hbstrt; |
| unsigned short hbstop; |
| unsigned short vtotal; |
| unsigned short vsstop; |
| unsigned short vbstrt; |
| unsigned short vbstop; |
| unsigned short sprhstrt; |
| unsigned short sprhstop; |
| unsigned short bplhstrt; |
| unsigned short bplhstop; |
| unsigned short hhposw; |
| unsigned short hhposr; |
| unsigned short beamcon0; |
| unsigned short hsstrt; |
| unsigned short vsstrt; |
| unsigned short hcenter; |
| unsigned short diwhigh; |
| unsigned short spare4[11]; |
| unsigned 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 { |
| unsigned char pra; char pad0[0xff]; |
| unsigned char prb; char pad1[0xff]; |
| unsigned char ddra; char pad2[0xff]; |
| unsigned char ddrb; char pad3[0xff]; |
| unsigned char talo; char pad4[0xff]; |
| unsigned char tahi; char pad5[0xff]; |
| unsigned char tblo; char pad6[0xff]; |
| unsigned char tbhi; char pad7[0xff]; |
| unsigned char todlo; char pad8[0xff]; |
| unsigned char todmid; char pad9[0xff]; |
| unsigned char todhi; char pada[0x1ff]; |
| unsigned char sdr; char padb[0xff]; |
| unsigned char icr; char padc[0xff]; |
| unsigned char cra; char padd[0xff]; |
| unsigned 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 amiga_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) |
| |
| void amiga_chip_init (void); |
| void *amiga_chip_alloc(unsigned long size, const char *name); |
| void *amiga_chip_alloc_res(unsigned long size, struct resource *res); |
| void amiga_chip_free(void *ptr); |
| unsigned long amiga_chip_avail( void ); /*MILAN*/ |
| extern volatile unsigned short amiga_audio_min_period; |
| |
| static inline void amifb_video_off(void) |
| { |
| if (amiga_chipset == CS_ECS || amiga_chipset == CS_AGA) { |
| /* program Denise/Lisa for a higher maximum play rate */ |
| amiga_custom.htotal = 113; /* 31 kHz */ |
| amiga_custom.vtotal = 223; /* 70 Hz */ |
| amiga_custom.beamcon0 = 0x4390; /* HARDDIS, VAR{BEAM,VSY,HSY,CSY}EN */ |
| /* suspend the monitor */ |
| amiga_custom.hsstrt = amiga_custom.hsstop = 116; |
| amiga_custom.vsstrt = amiga_custom.vsstop = 226; |
| amiga_audio_min_period = 57; |
| } |
| } |
| |
| 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 ((*(volatile 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 ((*(volatile struct tod2000 *)(zTwoBase+0xDC0000))) |
| |
| #endif /* _M68K_AMIGAHW_H */ |
