326 lines
10 KiB
C
326 lines
10 KiB
C
/*
|
|
** 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>
|
|
|
|
#include <asm/bootinfo-amiga.h>
|
|
|
|
|
|
/*
|
|
* Chipsets
|
|
*/
|
|
|
|
extern unsigned long amiga_chipset;
|
|
|
|
|
|
/*
|
|
* 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) ((void __iomem *)(((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 */
|