CoCalc -- amigahw.h

GitHub Repository: torvalds/linux
Path: blob/master/arch/m68k/include/asm/amigahw.h
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/*
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** asm-m68k/amigahw.h -- This header defines some macros and pointers for
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**                    the various Amiga custom hardware registers.
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**                    The naming conventions used here conform to those
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**                    used in the Amiga Hardware Reference Manual, 3rd Edition
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**
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** Copyright 1992 by Greg Harp
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**
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** This file is subject to the terms and conditions of the GNU General Public
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** License.  See the file COPYING in the main directory of this archive
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** for more details.
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**
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** Created: 9/24/92 by Greg Harp
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*/
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#ifndef _M68K_AMIGAHW_H
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#define _M68K_AMIGAHW_H
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#include <linux/ioport.h>
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#include <asm/bootinfo-amiga.h>
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    /*
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     *  Chipsets
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     */
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extern unsigned long amiga_chipset;
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    /*
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     *  Miscellaneous
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     */
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extern unsigned long amiga_eclock;	/* 700 kHz E Peripheral Clock */
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extern unsigned long amiga_colorclock;	/* 3.5 MHz Color Clock */
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extern unsigned long amiga_chip_size;	/* Chip RAM Size (bytes) */
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extern unsigned char amiga_vblank;	/* VBLANK Frequency */
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#define AMIGAHW_DECLARE(name)	unsigned name : 1
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#define AMIGAHW_SET(name)	(amiga_hw_present.name = 1)
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#define AMIGAHW_PRESENT(name)	(amiga_hw_present.name)
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struct amiga_hw_present {
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    /* video hardware */
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    AMIGAHW_DECLARE(AMI_VIDEO);		/* Amiga Video */
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    AMIGAHW_DECLARE(AMI_BLITTER);	/* Amiga Blitter */
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    AMIGAHW_DECLARE(AMBER_FF);		/* Amber Flicker Fixer */
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    /* sound hardware */
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    AMIGAHW_DECLARE(AMI_AUDIO);		/* Amiga Audio */
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    /* disk storage interfaces */
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    AMIGAHW_DECLARE(AMI_FLOPPY);	/* Amiga Floppy */
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    AMIGAHW_DECLARE(A3000_SCSI);	/* SCSI (wd33c93, A3000 alike) */
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    AMIGAHW_DECLARE(A4000_SCSI);	/* SCSI (ncr53c710, A4000T alike) */
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    AMIGAHW_DECLARE(A1200_IDE);		/* IDE (A1200 alike) */
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    AMIGAHW_DECLARE(A4000_IDE);		/* IDE (A4000 alike) */
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    AMIGAHW_DECLARE(CD_ROM);		/* CD ROM drive */
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    /* other I/O hardware */
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    AMIGAHW_DECLARE(AMI_KEYBOARD);	/* Amiga Keyboard */
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    AMIGAHW_DECLARE(AMI_MOUSE);		/* Amiga Mouse */
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    AMIGAHW_DECLARE(AMI_SERIAL);	/* Amiga Serial */
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    AMIGAHW_DECLARE(AMI_PARALLEL);	/* Amiga Parallel */
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    /* real time clocks */
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    AMIGAHW_DECLARE(A2000_CLK);		/* Hardware Clock (A2000 alike) */
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    AMIGAHW_DECLARE(A3000_CLK);		/* Hardware Clock (A3000 alike) */
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    /* supporting hardware */
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    AMIGAHW_DECLARE(CHIP_RAM);		/* Chip RAM */
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    AMIGAHW_DECLARE(PAULA);		/* Paula (8364) */
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    AMIGAHW_DECLARE(DENISE);		/* Denise (8362) */
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    AMIGAHW_DECLARE(DENISE_HR);		/* Denise (8373) */
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    AMIGAHW_DECLARE(LISA);		/* Lisa (8375) */
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    AMIGAHW_DECLARE(AGNUS_PAL);		/* Normal/Fat PAL Agnus (8367/8371) */
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    AMIGAHW_DECLARE(AGNUS_NTSC);	/* Normal/Fat NTSC Agnus (8361/8370) */
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    AMIGAHW_DECLARE(AGNUS_HR_PAL);	/* Fat Hires PAL Agnus (8372) */
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    AMIGAHW_DECLARE(AGNUS_HR_NTSC);	/* Fat Hires NTSC Agnus (8372) */
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    AMIGAHW_DECLARE(ALICE_PAL);		/* PAL Alice (8374) */
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    AMIGAHW_DECLARE(ALICE_NTSC);	/* NTSC Alice (8374) */
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    AMIGAHW_DECLARE(MAGIC_REKICK);	/* A3000 Magic Hard Rekick */
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    AMIGAHW_DECLARE(PCMCIA);		/* PCMCIA Slot */
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    AMIGAHW_DECLARE(ZORRO);		/* Zorro AutoConfig */
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    AMIGAHW_DECLARE(ZORRO3);		/* Zorro III */
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};
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extern struct amiga_hw_present amiga_hw_present;
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struct CUSTOM {
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    unsigned short bltddat;
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    unsigned short dmaconr;
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    unsigned short vposr;
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    unsigned short vhposr;
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    unsigned short dskdatr;
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    unsigned short joy0dat;
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    unsigned short joy1dat;
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    unsigned short clxdat;
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    unsigned short adkconr;
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    unsigned short pot0dat;
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    unsigned short pot1dat;
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    unsigned short potgor;
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    unsigned short serdatr;
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    unsigned short dskbytr;
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    unsigned short intenar;
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    unsigned short intreqr;
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    unsigned char  *dskptr;
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    unsigned short dsklen;
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    unsigned short dskdat;
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    unsigned short refptr;
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    unsigned short vposw;
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    unsigned short vhposw;
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    unsigned short copcon;
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    unsigned short serdat;
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    unsigned short serper;
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    unsigned short potgo;
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    unsigned short joytest;
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    unsigned short strequ;
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    unsigned short strvbl;
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    unsigned short strhor;
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    unsigned short strlong;
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    unsigned short bltcon0;
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    unsigned short bltcon1;
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    unsigned short bltafwm;
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    unsigned short bltalwm;
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    unsigned char  *bltcpt;
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    unsigned char  *bltbpt;
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    unsigned char  *bltapt;
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    unsigned char  *bltdpt;
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    unsigned short bltsize;
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    unsigned char  pad2d;
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    unsigned char  bltcon0l;
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    unsigned short bltsizv;
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    unsigned short bltsizh;
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    unsigned short bltcmod;
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    unsigned short bltbmod;
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    unsigned short bltamod;
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    unsigned short bltdmod;
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    unsigned short spare2[4];
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    unsigned short bltcdat;
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    unsigned short bltbdat;
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    unsigned short bltadat;
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    unsigned short spare3[3];
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    unsigned short deniseid;
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    unsigned short dsksync;
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    unsigned short *cop1lc;
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    unsigned short *cop2lc;
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    unsigned short copjmp1;
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    unsigned short copjmp2;
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    unsigned short copins;
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    unsigned short diwstrt;
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    unsigned short diwstop;
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    unsigned short ddfstrt;
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    unsigned short ddfstop;
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    unsigned short dmacon;
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    unsigned short clxcon;
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    unsigned short intena;
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    unsigned short intreq;
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    unsigned short adkcon;
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    struct {
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	unsigned short	*audlc;
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	unsigned short audlen;
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	unsigned short audper;
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	unsigned short audvol;
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	unsigned short auddat;
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	unsigned short audspare[2];
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    } aud[4];
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    unsigned char  *bplpt[8];
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    unsigned short bplcon0;
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    unsigned short bplcon1;
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    unsigned short bplcon2;
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    unsigned short bplcon3;
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    unsigned short bpl1mod;
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    unsigned short bpl2mod;
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    unsigned short bplcon4;
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    unsigned short clxcon2;
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    unsigned short bpldat[8];
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    unsigned char  *sprpt[8];
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    struct {
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	unsigned short pos;
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	unsigned short ctl;
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	unsigned short dataa;
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	unsigned short datab;
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    } spr[8];
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    unsigned short color[32];
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    unsigned short htotal;
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    unsigned short hsstop;
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    unsigned short hbstrt;
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    unsigned short hbstop;
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    unsigned short vtotal;
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    unsigned short vsstop;
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    unsigned short vbstrt;
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    unsigned short vbstop;
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    unsigned short sprhstrt;
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    unsigned short sprhstop;
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    unsigned short bplhstrt;
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    unsigned short bplhstop;
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    unsigned short hhposw;
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    unsigned short hhposr;
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    unsigned short beamcon0;
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    unsigned short hsstrt;
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    unsigned short vsstrt;
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    unsigned short hcenter;
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    unsigned short diwhigh;
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    unsigned short spare4[11];
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    unsigned short fmode;
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};
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/*
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 * DMA register bits
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 */
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#define DMAF_SETCLR		(0x8000)
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#define DMAF_AUD0		(0x0001)
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#define DMAF_AUD1		(0x0002)
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#define DMAF_AUD2		(0x0004)
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#define DMAF_AUD3		(0x0008)
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#define DMAF_DISK		(0x0010)
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#define DMAF_SPRITE		(0x0020)
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#define DMAF_BLITTER		(0x0040)
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#define DMAF_COPPER		(0x0080)
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#define DMAF_RASTER		(0x0100)
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#define DMAF_MASTER		(0x0200)
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#define DMAF_BLITHOG		(0x0400)
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#define DMAF_BLTNZERO		(0x2000)
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#define DMAF_BLTDONE		(0x4000)
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#define DMAF_ALL		(0x01FF)
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struct CIA {
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    unsigned char pra;		char pad0[0xff];
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    unsigned char prb;		char pad1[0xff];
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    unsigned char ddra;		char pad2[0xff];
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    unsigned char ddrb;		char pad3[0xff];
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    unsigned char talo;		char pad4[0xff];
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    unsigned char tahi;		char pad5[0xff];
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    unsigned char tblo;		char pad6[0xff];
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    unsigned char tbhi;		char pad7[0xff];
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    unsigned char todlo;	char pad8[0xff];
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    unsigned char todmid;	char pad9[0xff];
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    unsigned char todhi;	char pada[0x1ff];
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    unsigned char sdr;		char padb[0xff];
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    unsigned char icr;		char padc[0xff];
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    unsigned char cra;		char padd[0xff];
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    unsigned char crb;		char pade[0xff];
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};
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#define zTwoBase (0x80000000)
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#define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
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#define ZTWO_VADDR(x) ((void __iomem *)(((unsigned long)(x))+zTwoBase))
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#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)
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#define CIAB_PHYSADDR	  (0xbfd000)
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#define ciaa   ((*(volatile struct CIA *)(zTwoBase + CIAA_PHYSADDR)))
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#define ciab   ((*(volatile struct CIA *)(zTwoBase + CIAB_PHYSADDR)))
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#define CHIP_PHYSADDR	    (0x000000)
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void amiga_chip_init (void);
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void *amiga_chip_alloc(unsigned long size, const char *name);
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void *amiga_chip_alloc_res(unsigned long size, struct resource *res);
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void amiga_chip_free(void *ptr);
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unsigned long amiga_chip_avail( void ); /*MILAN*/
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extern volatile unsigned short amiga_audio_min_period;
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static inline void amifb_video_off(void)
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{
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	if (amiga_chipset == CS_ECS || amiga_chipset == CS_AGA) {
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		/* program Denise/Lisa for a higher maximum play rate */
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		amiga_custom.htotal = 113;        /* 31 kHz */
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		amiga_custom.vtotal = 223;        /* 70 Hz */
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		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;
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		amiga_custom.vsstrt = amiga_custom.vsstop = 226;
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		amiga_audio_min_period = 57;
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	}
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}
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struct tod3000 {
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  unsigned int  :28, second2:4;	/* lower digit */
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  unsigned int  :28, second1:4;	/* upper digit */
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  unsigned int  :28, minute2:4;	/* lower digit */
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  unsigned int  :28, minute1:4;	/* upper digit */
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  unsigned int  :28, hour2:4;	/* lower digit */
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  unsigned int  :28, hour1:4;	/* upper digit */
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  unsigned int  :28, weekday:4;
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  unsigned int  :28, day2:4;	/* lower digit */
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  unsigned int  :28, day1:4;	/* upper digit */
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  unsigned int  :28, month2:4;	/* lower digit */
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  unsigned int  :28, month1:4;	/* upper digit */
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  unsigned int  :28, year2:4;	/* lower digit */
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  unsigned int  :28, year1:4;	/* upper digit */
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  unsigned int  :28, cntrl1:4;	/* control-byte 1 */
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  unsigned int  :28, cntrl2:4;	/* control-byte 2 */
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  unsigned int  :28, cntrl3:4;	/* control-byte 3 */
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};
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#define TOD3000_CNTRL1_HOLD	0
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#define TOD3000_CNTRL1_FREE	9
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#define tod_3000 ((*(volatile struct tod3000 *)(zTwoBase+0xDC0000)))
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struct tod2000 {
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  unsigned int  :28, second2:4;	/* lower digit */
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  unsigned int  :28, second1:4;	/* upper digit */
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  unsigned int  :28, minute2:4;	/* lower digit */
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  unsigned int  :28, minute1:4;	/* upper digit */
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  unsigned int  :28, hour2:4;	/* lower digit */
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  unsigned int  :28, hour1:4;	/* upper digit */
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  unsigned int  :28, day2:4;	/* lower digit */
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  unsigned int  :28, day1:4;	/* upper digit */
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  unsigned int  :28, month2:4;	/* lower digit */
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  unsigned int  :28, month1:4;	/* upper digit */
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  unsigned int  :28, year2:4;	/* lower digit */
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  unsigned int  :28, year1:4;	/* upper digit */
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  unsigned int  :28, weekday:4;
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  unsigned int  :28, cntrl1:4;	/* control-byte 1 */
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  unsigned int  :28, cntrl2:4;	/* control-byte 2 */
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  unsigned int  :28, cntrl3:4;	/* control-byte 3 */
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};
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#define TOD2000_CNTRL1_HOLD	(1<<0)
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#define TOD2000_CNTRL1_BUSY	(1<<1)
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#define TOD2000_CNTRL3_24HMODE	(1<<2)
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#define TOD2000_HOUR1_PM	(1<<2)
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#define tod_2000 ((*(volatile struct tod2000 *)(zTwoBase+0xDC0000)))
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#endif /* _M68K_AMIGAHW_H */
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