diff options
Diffstat (limited to 'arch/parisc/include/asm/irq.h')
| -rw-r--r-- | arch/parisc/include/asm/irq.h | 57 |
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 000000000000..399c81981ed5 --- /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 */ |