patch-2.3.35 linux/include/asm-ppc/hw_irq.h

• Lines: 58
• Date: Mon Dec 27 14:10:20 1999
• Orig file: v2.3.34/linux/include/asm-ppc/hw_irq.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.34/linux/include/asm-ppc/hw_irq.h linux/include/asm-ppc/hw_irq.h
@@ -0,0 +1,57 @@
+/*
+ * $Id: irq_control.h,v 1.8 1999/09/15 23:58:48 cort Exp $
+ *
+ * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
+ */
+#ifndef _PPC_HW_IRQ_H
+#define _PPC_HW_IRQ_H
+
+#if 0
+/* Structure describing interrupts */
+struct hw_interrupt_type {
+	const char * typename;
+	void (*startup)(unsigned int irq);
+	void (*shutdown)(unsigned int irq);
+	void (*enable)(unsigned int irq);
+	void (*disable)(unsigned int irq);
+	void (*mask_and_ack)(unsigned int irq);
+	int irq_offset;
+};
+
+struct irqdesc {
+	struct irqaction *action;
+	struct hw_interrupt_type *ctl;
+};
+#endif
+
+struct int_control_struct
+{
+	void (*int_cli)(void);
+	void (*int_sti)(void);
+	void (*int_restore_flags)(unsigned long);
+	void (*int_save_flags)(unsigned long *);
+};
+extern struct int_control_struct int_control;
+extern unsigned long timer_interrupt_intercept;
+extern unsigned long do_IRQ_intercept;
+void timer_interrupt(struct pt_regs *);
+
+extern void __no_use_sti(void);
+extern void __no_use_cli(void);
+extern void __no_use_restore_flags(unsigned long);
+extern void __no_use_save_flags(unsigned long *);
+
+#define __cli() int_control.int_cli()
+#define __sti() int_control.int_sti()
+#define __save_flags(flags) int_control.int_save_flags(&flags)
+#define __restore_flags(flags) int_control.int_restore_flags(flags)
+#define __save_and_cli(flags) ({__save_flags(flags);__cli();})
+
+extern void do_lost_interrupts(unsigned long);
+extern atomic_t ppc_n_lost_interrupts;
+
+#define mask_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->disable) irq_desc[irq].handler->disable(irq);})
+#define unmask_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->enable) irq_desc[irq].handler->enable(irq);})
+#define mask_and_ack_irq(irq) ({if (irq_desc[irq].handler && irq_desc[irq].handler->ack) irq_desc[irq].handler->ack(irq);})
+
+#endif /* _PPC_HW_IRQ_H */