diff options
Diffstat (limited to 'include/asm-ppc/irq.h')
| -rw-r--r-- | include/asm-ppc/irq.h | 56 |
1 files changed, 44 insertions, 12 deletions
diff --git a/include/asm-ppc/irq.h b/include/asm-ppc/irq.h index 009229882..867dd0bab 100644 --- a/include/asm-ppc/irq.h +++ b/include/asm-ppc/irq.h @@ -117,15 +117,48 @@ static __inline__ int irq_cannonicalize(int irq) return irq; } -#else +#else /* CONFIG_4xx + CONFIG_8xx */ -#ifdef CONFIG_APUS -#define enable_irq m68k_enable_irq -#define disable_irq m68k_disable_irq -#include <asm-m68k/irq.h> -#undef enable_irq -#undef disable_irq -#else /* CONFIG_APUS */ +#if defined(CONFIG_APUS) +/* + * This structure is used to chain together the ISRs for a particular + * interrupt source (if it supports chaining). + */ +typedef struct irq_node { + void (*handler)(int, void *, struct pt_regs *); + unsigned long flags; + void *dev_id; + const char *devname; + struct irq_node *next; +} irq_node_t; + +/* + * This structure has only 4 elements for speed reasons + */ +typedef struct irq_handler { + void (*handler)(int, void *, struct pt_regs *); + unsigned long flags; + void *dev_id; + const char *devname; +} irq_handler_t; + +/* count of spurious interrupts */ +extern volatile unsigned int num_spurious; + +extern int sys_request_irq(unsigned int, + void (*)(int, void *, struct pt_regs *), + unsigned long, const char *, void *); +extern void sys_free_irq(unsigned int, void *); + +/* + * This function returns a new irq_node_t + */ +extern irq_node_t *new_irq_node(void); + +/* Number of m68k interrupts */ +#define SYS_IRQS 8 + +#endif /* CONFIG_APUS */ /* * this is the # irq's for all ppc arch's (pmac/chrp/prep) @@ -133,14 +166,11 @@ static __inline__ int irq_cannonicalize(int irq) */ #define NR_IRQS 256 -#endif /* CONFIG_APUS */ - #define NUM_8259_INTERRUPTS 16 #define IRQ_8259_CASCADE 16 #define openpic_to_irq(n) ((n)+NUM_8259_INTERRUPTS) #define irq_to_openpic(n) ((n)-NUM_8259_INTERRUPTS) -#ifndef CONFIG_APUS /* * This gets called from serial.c, which is now used on * powermacs as well as prep/chrp boxes. @@ -157,8 +187,10 @@ static __inline__ int irq_cannonicalize(int irq) return irq; } } -#endif /* !CONFIG_APUS */ #endif +#define NR_MASK_WORDS ((NR_IRQS + 31) / 32) +extern unsigned int ppc_lost_interrupts[NR_MASK_WORDS]; + #endif /* _ASM_IRQ_H */ |