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include/asm-m68k/amigahw.h
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Linux-2.6.12-rc2
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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)
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#define amiga_custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR))) |
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#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 */
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amiga_custom.htotal = 113; /* 31 kHz */
amiga_custom.vtotal = 223; /* 70 Hz */
amiga_custom.beamcon0 = 0x4390; /* HARDDIS, VAR{BEAM,VSY,HSY,CSY}EN */
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/* suspend the monitor */ |
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amiga_custom.hsstrt = amiga_custom.hsstop = 116; amiga_custom.vsstrt = amiga_custom.vsstop = 226; |
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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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