patch-2.1.19 linux/include/asm-sparc64/irq.h

• Lines: 42
• Date: Mon Dec 30 12:00:03 1996
• Orig file: v2.1.18/linux/include/asm-sparc64/irq.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.18/linux/include/asm-sparc64/irq.h linux/include/asm-sparc64/irq.h
@@ -0,0 +1,41 @@
+/* $Id: irq.h,v 1.1 1996/12/26 17:28:13 davem Exp $
+ * irq.h: IRQ registers on the 64-bit Sparc.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+/* XXX Write the sun5 specific code... XXX */
+
+#ifndef _SPARC64_IRQ_H
+#define _SPARC64_IRQ_H
+
+#include <linux/linkage.h>
+
+#include <asm/system.h>     /* For NCPUS */
+
+#define NR_IRQS    15
+
+/* Dave Redman (djhr@tadpole.co.uk)
+ * changed these to function pointers.. it saves cycles and will allow
+ * the irq dependencies to be split into different files at a later date
+ * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
+ */
+extern void (*disable_irq)(unsigned int);
+extern void (*enable_irq)(unsigned int);
+extern void (*clear_clock_irq)( void );
+extern void (*clear_profile_irq)( void );
+extern void (*load_profile_irq)( unsigned int timeout );
+extern void (*init_timers)(void (*lvl10_irq)(int, void *, struct pt_regs *));
+extern void claim_ticker14(void (*irq_handler)(int, void *, struct pt_regs *),
+			   int irq,
+			   unsigned int timeout);
+
+#ifdef __SMP__
+extern void (*set_cpu_int)(int, int);
+extern void (*clear_cpu_int)(int, int);
+extern void (*set_irq_udt)(int);
+#endif
+
+extern int request_fast_irq(unsigned int irq, void (*handler)(int, void *, struct pt_regs *), unsigned long flags, __const__ char *devname);
+
+#endif