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author | merge <null@invalid> | 2009-02-06 00:22:54 +0000 |
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committer | Andy Green <agreen@octopus.localdomain> | 2009-02-06 00:22:54 +0000 |
commit | d1dcdf5718977c93805f9300b6c79f039db84c8b (patch) | |
tree | 58a161db6cf8953e33c1c9294a9c720a1aa0ad76 /arch/m68k/include/asm/amigaints.h | |
parent | 9029dff1f370018665a6e2999632a34fd0518f4d (diff) |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505 / 1c405b6ccee468298e7ccbfd9a3a3f4d123207b0 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414
stable-tracking-hist top was MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414 / 71be0a45396066b1f8f27f8f4f87937247a129e1 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011
mokopatches-tracking-hist top was MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011 / 1be1b01373f572a02c6f1f99863c8c11ed2f9f5b ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-master-MERGE-via-master-hist-1232625318
master top was MERGE-via-master-hist-1232625318 / dd4b117123ae66451695810017eb72fbdfc05df5 ... parent commitmessage:
From: merge <null@invalid>
MERGE-master-patchset-edits
Diffstat (limited to 'arch/m68k/include/asm/amigaints.h')
-rw-r--r-- | arch/m68k/include/asm/amigaints.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/amigaints.h b/arch/m68k/include/asm/amigaints.h new file mode 100644 index 00000000000..b1bcdb835ab --- /dev/null +++ b/arch/m68k/include/asm/amigaints.h @@ -0,0 +1,113 @@ +/* +** 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 */ |