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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
 
-      */
 
- #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 */
 
 
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