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/*
** amigaints.h -- Amiga Linux interrupt handling structs and prototypes
**
** 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 10/2/92 by Greg Harp
*/

#ifndef _ASMm68k_AMIGAINTS_H_
#define _ASMm68k_AMIGAINTS_H_

#include <asm/irq.h>

/*
** Amiga Interrupt sources.
**
*/

#define AUTO_IRQS           (8)
#define AMI_STD_IRQS        (14)
#define CIA_IRQS            (5)
#define AMI_IRQS            (32) /* AUTO_IRQS+AMI_STD_IRQS+2*CIA_IRQS */

/* builtin serial port interrupts */
#define IRQ_AMIGA_TBE		(IRQ_USER+0)
#define IRQ_AMIGA_RBF		(IRQ_USER+11)

/* floppy disk interrupts */
#define IRQ_AMIGA_DSKBLK	(IRQ_USER+1)
#define IRQ_AMIGA_DSKSYN	(IRQ_USER+12)

/* software interrupts */
#define IRQ_AMIGA_SOFT		(IRQ_USER+2)

/* interrupts from external hardware */
#define IRQ_AMIGA_PORTS		IRQ_AUTO_2
#define IRQ_AMIGA_EXTER		IRQ_AUTO_6

/* copper interrupt */
#define IRQ_AMIGA_COPPER	(IRQ_USER+4)

/* vertical blanking interrupt */
#define IRQ_AMIGA_VERTB		(IRQ_USER+5)

/* Blitter done interrupt */
#define IRQ_AMIGA_BLIT		(IRQ_USER+6)

/* Audio interrupts */
#define IRQ_AMIGA_AUD0		(IRQ_USER+7)
#define IRQ_AMIGA_AUD1		(IRQ_USER+8)
#define IRQ_AMIGA_AUD2		(IRQ_USER+9)
#define IRQ_AMIGA_AUD3		(IRQ_USER+10)

/* CIA interrupt sources */
#define IRQ_AMIGA_CIAA		(IRQ_USER+14)
#define IRQ_AMIGA_CIAA_TA	(IRQ_USER+14)
#define IRQ_AMIGA_CIAA_TB	(IRQ_USER+15)
#define IRQ_AMIGA_CIAA_ALRM	(IRQ_USER+16)
#define IRQ_AMIGA_CIAA_SP	(IRQ_USER+17)
#define IRQ_AMIGA_CIAA_FLG	(IRQ_USER+18)
#define IRQ_AMIGA_CIAB		(IRQ_USER+19)
#define IRQ_AMIGA_CIAB_TA	(IRQ_USER+19)
#define IRQ_AMIGA_CIAB_TB	(IRQ_USER+20)
#define IRQ_AMIGA_CIAB_ALRM	(IRQ_USER+21)
#define IRQ_AMIGA_CIAB_SP	(IRQ_USER+22)
#define IRQ_AMIGA_CIAB_FLG	(IRQ_USER+23)


/* INTREQR masks */
#define IF_SETCLR   0x8000      /* set/clr bit */
#define IF_INTEN    0x4000	/* master interrupt bit in INT* registers */
#define IF_EXTER    0x2000	/* external level 6 and CIA B interrupt */
#define IF_DSKSYN   0x1000	/* disk sync interrupt */
#define IF_RBF	    0x0800	/* serial receive buffer full interrupt */
#define IF_AUD3     0x0400	/* audio channel 3 done interrupt */
#define IF_AUD2     0x0200	/* audio channel 2 done interrupt */
#define IF_AUD1     0x0100	/* audio channel 1 done interrupt */
#define IF_AUD0     0x0080	/* audio channel 0 done interrupt */
#define IF_BLIT     0x0040	/* blitter done interrupt */
#define IF_VERTB    0x0020	/* vertical blanking interrupt */
#define IF_COPER    0x0010	/* copper interrupt */
#define IF_PORTS    0x0008	/* external level 2 and CIA A interrupt */
#define IF_SOFT     0x0004	/* software initiated interrupt */
#define IF_DSKBLK   0x0002	/* diskblock DMA finished */
#define IF_TBE	    0x0001	/* serial transmit buffer empty interrupt */

/* CIA interrupt control register bits */

#define CIA_ICR_TA	0x01
#define CIA_ICR_TB	0x02
#define CIA_ICR_ALRM	0x04
#define CIA_ICR_SP	0x08
#define CIA_ICR_FLG	0x10
#define CIA_ICR_ALL	0x1f
#define CIA_ICR_SETCLR	0x80

extern void amiga_init_IRQ(void);

/* to access the interrupt control registers of CIA's use only
** these functions, they behave exactly like the amiga os routines
*/

extern struct ciabase ciaa_base, ciab_base;

extern void cia_init_IRQ(struct ciabase *base);
extern unsigned char cia_set_irq(struct ciabase *base, unsigned char mask);
extern unsigned char cia_able_irq(struct ciabase *base, unsigned char mask);

#endif /* asm-m68k/amigaints.h */

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a.out-core.h File 1.98 KB 0644
adb_iop.h File 1.09 KB 0644
amigahw.h File 10.49 KB 0644
amigaints.h File 3.5 KB 0644
amigayle.h File 3.19 KB 0644
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apollohw.h File 2.35 KB 0644
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cacheflush.h File 133 B 0644
cacheflush_mm.h File 6.92 KB 0644
cacheflush_no.h File 2.61 KB 0644
checksum.h File 3.4 KB 0644
cmpxchg.h File 3.34 KB 0644
coldfire.h File 1.61 KB 0644
contregs.h File 3.31 KB 0644
current.h File 580 B 0644
delay.h File 3.43 KB 0644
div64.h File 858 B 0644
dma-mapping.h File 291 B 0644
dma.h File 16.65 KB 0644
dsp56k.h File 1.24 KB 0644
dvma.h File 9.67 KB 0644
elf.h File 3.07 KB 0644
entry.h File 5.76 KB 0644
export.h File 74 B 0644
fb.h File 921 B 0644
fbio.h File 9.87 KB 0644
flat.h File 1.02 KB 0644
floppy.h File 5.06 KB 0644
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io_mm.h File 16.19 KB 0644
io_no.h File 5.26 KB 0644
irq.h File 2.57 KB 0644
irqflags.h File 1.61 KB 0644
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m523xsim.h File 7.7 KB 0644
m525xsim.h File 10.57 KB 0644
m5272sim.h File 6.05 KB 0644
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m528xsim.h File 9.37 KB 0644
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m5307sim.h File 7.52 KB 0644
m53xxacr.h File 3.6 KB 0644
m53xxsim.h File 53.97 KB 0644
m5407sim.h File 6.14 KB 0644
m5441xsim.h File 8.5 KB 0644
m54xxacr.h File 4.82 KB 0644
m54xxgpt.h File 3.66 KB 0644
m54xxpci.h File 6.13 KB 0644
m54xxsim.h File 3.8 KB 0644
mac_asc.h File 520 B 0644
mac_baboon.h File 999 B 0644
mac_iop.h File 5.37 KB 0644
mac_oss.h File 1.83 KB 0644
mac_psc.h File 7.25 KB 0644
mac_via.h File 11.44 KB 0644
machdep.h File 1.34 KB 0644
machines.h File 3.13 KB 0644
machw.h File 588 B 0644
macintosh.h File 2.02 KB 0644
macints.h File 3.28 KB 0644
math-emu.h File 6.74 KB 0644
mc146818rtc.h File 598 B 0644
mcf8390.h File 3.75 KB 0644
mcf_pgalloc.h File 2.37 KB 0644
mcf_pgtable.h File 9.89 KB 0644
mcfclk.h File 1.01 KB 0644
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mcfgpio.h File 8.48 KB 0644
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mcfmmu.h File 3.67 KB 0644
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mcftimer.h File 2.3 KB 0644
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sun3_pgtable.h File 7.65 KB 0644
sun3ints.h File 989 B 0644
sun3mmu.h File 4.91 KB 0644
sun3x.h File 868 B 0644
sun3xflop.h File 5.62 KB 0644
sun3xprom.h File 1.31 KB 0644
switch_to.h File 1.51 KB 0644
thread_info.h File 2.02 KB 0644
timex.h File 974 B 0644
tlb.h File 486 B 0644
tlbflush.h File 5.95 KB 0644
traps.h File 8.33 KB 0644
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uaccess_mm.h File 10.31 KB 0644
uaccess_no.h File 3.69 KB 0644
ucontext.h File 570 B 0644
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