amigahw.h
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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
- #include <linux/ioport.h>
- /*
- * Different Amiga models
- */
- extern unsigned 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 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_masterclock; /* 28 MHz Master 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 */
- extern unsigned 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(GG2_ISA); /* GG2 Zorro2ISA Bridge */
- 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 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 */
- custom.htotal = 113; /* 31 kHz */
- custom.vtotal = 223; /* 70 Hz */
- custom.beamcon0 = 0x4390; /* HARDDIS, VAR{BEAM,VSY,HSY,CSY}EN */
- /* suspend the monitor */
- custom.hsstrt = custom.hsstop = 116;
- custom.vsstrt = 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 ((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 /* _M68K_AMIGAHW_H */