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authorIngo Molnar <mingo@elte.hu>2008-10-24 12:48:46 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-24 12:48:46 +0200
commit8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch)
treed535f46a917e14e90deccb29ad00aac016ad18dd /arch/parisc/include/asm/irq.h
parent4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff)
parent57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff)
Merge commit 'v2.6.28-rc1' into sched/urgent
Diffstat (limited to 'arch/parisc/include/asm/irq.h')
-rw-r--r--arch/parisc/include/asm/irq.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/irq.h b/arch/parisc/include/asm/irq.h
new file mode 100644
index 00000000000..399c81981ed
--- /dev/null
+++ b/arch/parisc/include/asm/irq.h
@@ -0,0 +1,57 @@
+/*
+ * include/asm-parisc/irq.h
+ *
+ * Copyright 2005 Matthew Wilcox <matthew@wil.cx>
+ */
+
+#ifndef _ASM_PARISC_IRQ_H
+#define _ASM_PARISC_IRQ_H
+
+#include <linux/cpumask.h>
+#include <asm/types.h>
+
+#define NO_IRQ (-1)
+
+#ifdef CONFIG_GSC
+#define GSC_IRQ_BASE 16
+#define GSC_IRQ_MAX 63
+#define CPU_IRQ_BASE 64
+#else
+#define CPU_IRQ_BASE 16
+#endif
+
+#define TIMER_IRQ (CPU_IRQ_BASE + 0)
+#define IPI_IRQ (CPU_IRQ_BASE + 1)
+#define CPU_IRQ_MAX (CPU_IRQ_BASE + (BITS_PER_LONG - 1))
+
+#define NR_IRQS (CPU_IRQ_MAX + 1)
+
+static __inline__ int irq_canonicalize(int irq)
+{
+ return (irq == 2) ? 9 : irq;
+}
+
+struct irq_chip;
+
+/*
+ * Some useful "we don't have to do anything here" handlers. Should
+ * probably be provided by the generic code.
+ */
+void no_ack_irq(unsigned int irq);
+void no_end_irq(unsigned int irq);
+void cpu_ack_irq(unsigned int irq);
+void cpu_end_irq(unsigned int irq);
+
+extern int txn_alloc_irq(unsigned int nbits);
+extern int txn_claim_irq(int);
+extern unsigned int txn_alloc_data(unsigned int);
+extern unsigned long txn_alloc_addr(unsigned int);
+extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);
+
+extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *);
+extern int cpu_check_affinity(unsigned int irq, cpumask_t *dest);
+
+/* soft power switch support (power.c) */
+extern struct tasklet_struct power_tasklet;
+
+#endif /* _ASM_PARISC_IRQ_H */