patch-1.3.94 linux/include/asm-m68k/amigaints.h

• Lines: 100
• Date: Fri Mar 1 00:29:19 1996
• Orig file: v1.3.93/linux/include/asm-m68k/amigaints.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.93/linux/include/asm-m68k/amigaints.h linux/include/asm-m68k/amigaints.h
@@ -0,0 +1,99 @@
+/*
+** 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 README.legal 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_
+
+/*
+** Amiga Interrupt sources.
+**
+*/
+
+#define NUM_AMIGA_SOURCES   (24)
+
+/* vertical blanking interrupt */
+#define IRQ_AMIGA_VERTB     (IRQ_MACHSPEC | 0)
+
+/* copper interrupt */
+#define IRQ_AMIGA_COPPER    (IRQ_MACHSPEC | 1)
+
+/* Audio interrupts */
+#define IRQ_AMIGA_AUD0	    (IRQ_MACHSPEC | 2)
+#define IRQ_AMIGA_AUD1	    (IRQ_MACHSPEC | 3)
+#define IRQ_AMIGA_AUD2	    (IRQ_MACHSPEC | 4)
+#define IRQ_AMIGA_AUD3	    (IRQ_MACHSPEC | 5)
+
+/* Blitter done interrupt */
+#define IRQ_AMIGA_BLIT	    (IRQ_MACHSPEC | 6)
+
+/* floppy disk interrupts */
+#define IRQ_AMIGA_DSKSYN    (IRQ_MACHSPEC | 7)
+#define IRQ_AMIGA_DSKBLK    (IRQ_MACHSPEC | 8)
+
+/* builtin serial port interrupts */
+#define IRQ_AMIGA_RBF	    (IRQ_MACHSPEC | 9)
+#define IRQ_AMIGA_TBE	    (IRQ_MACHSPEC | 10)
+
+/* CIA interrupt sources */
+#define IRQ_AMIGA_CIAA_TA   (IRQ_MACHSPEC | 11)
+#define IRQ_AMIGA_CIAA_TB   (IRQ_MACHSPEC | 12)
+#define IRQ_AMIGA_CIAA_ALRM (IRQ_MACHSPEC | 13)
+#define IRQ_AMIGA_CIAA_SP   (IRQ_MACHSPEC | 14)
+#define IRQ_AMIGA_CIAA_FLG  (IRQ_MACHSPEC | 15)
+#define IRQ_AMIGA_CIAB_TA   (IRQ_MACHSPEC | 16)
+#define IRQ_AMIGA_CIAB_TB   (IRQ_MACHSPEC | 17)
+#define IRQ_AMIGA_CIAB_ALRM (IRQ_MACHSPEC | 18)
+#define IRQ_AMIGA_CIAB_SP   (IRQ_MACHSPEC | 19)
+#define IRQ_AMIGA_CIAB_FLG  (IRQ_MACHSPEC | 20)
+
+#define IRQ_AMIGA_SOFT      (IRQ_MACHSPEC | 21)
+
+#define IRQ_AMIGA_PORTS	    (IRQ_MACHSPEC | 22)
+#define IRQ_AMIGA_EXTER	    (IRQ_MACHSPEC | 23)
+
+#define IRQ_FLOPPY	    IRQ_AMIGA_DSKBLK
+
+/* INTREQR masks */
+#define IRQ1_MASK   0x0007	/* INTREQR mask for IRQ 1 */
+#define IRQ2_MASK   0x0008	/* INTREQR mask for IRQ 2 */
+#define IRQ3_MASK   0x0070	/* INTREQR mask for IRQ 3 */
+#define IRQ4_MASK   0x0780	/* INTREQR mask for IRQ 4 */
+#define IRQ5_MASK   0x1800	/* INTREQR mask for IRQ 5 */
+#define IRQ6_MASK   0x2000	/* INTREQR mask for IRQ 6 */
+#define IRQ7_MASK   0x4000	/* INTREQR mask for IRQ 7 */
+
+#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
+
+#endif /* asm-m68k/amigaints.h */