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Diffstat (limited to 'include/asm-m68k/amigaints.h')
| -rw-r--r-- | include/asm-m68k/amigaints.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/include/asm-m68k/amigaints.h b/include/asm-m68k/amigaints.h deleted file mode 100644 index b1bcdb8..0000000 --- a/include/asm-m68k/amigaints.h +++ /dev/null @@ -1,113 +0,0 @@ -/* -** 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 */ |
