diff options
Diffstat (limited to 'arch/sparc/kernel/irq.h')
| -rw-r--r-- | arch/sparc/kernel/irq.h | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h index 008453b798e..100b9c204e7 100644 --- a/arch/sparc/kernel/irq.h +++ b/arch/sparc/kernel/irq.h @@ -2,6 +2,23 @@ #include <asm/btfixup.h> +struct irq_bucket { + struct irq_bucket *next; + unsigned int real_irq; + unsigned int irq; + unsigned int pil; +}; + +#define SUN4D_MAX_BOARD 10 +#define SUN4D_MAX_IRQ ((SUN4D_MAX_BOARD + 2) << 5) + +/* Map between the irq identifier used in hw to the + * irq_bucket. The map is sufficient large to hold + * the sun4d hw identifiers. + */ +extern struct irq_bucket *irq_map[SUN4D_MAX_IRQ]; + + /* sun4m specific type definitions */ /* This maps direct to CPU specific interrupt registers */ @@ -35,6 +52,10 @@ struct sparc_irq_config { }; extern struct sparc_irq_config sparc_irq_config; +unsigned int irq_alloc(unsigned int real_irq, unsigned int pil); +void irq_link(unsigned int irq); +void irq_unlink(unsigned int irq); +void handler_irq(unsigned int pil, struct pt_regs *regs); /* Dave Redman (djhr@tadpole.co.uk) * changed these to function pointers.. it saves cycles and will allow @@ -44,33 +65,9 @@ extern struct sparc_irq_config sparc_irq_config; * Changed these to btfixup entities... It saves cycles :) */ -BTFIXUPDEF_CALL(void, disable_irq, unsigned int) -BTFIXUPDEF_CALL(void, enable_irq, unsigned int) -BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int) -BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int) BTFIXUPDEF_CALL(void, clear_clock_irq, void) BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int) -static inline void __disable_irq(unsigned int irq) -{ - BTFIXUP_CALL(disable_irq)(irq); -} - -static inline void __enable_irq(unsigned int irq) -{ - BTFIXUP_CALL(enable_irq)(irq); -} - -static inline void disable_pil_irq(unsigned int irq) -{ - BTFIXUP_CALL(disable_pil_irq)(irq); -} - -static inline void enable_pil_irq(unsigned int irq) -{ - BTFIXUP_CALL(enable_pil_irq)(irq); -} - static inline void clear_clock_irq(void) { BTFIXUP_CALL(clear_clock_irq)(); @@ -89,4 +86,10 @@ BTFIXUPDEF_CALL(void, set_irq_udt, int) #define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level) #define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level) #define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu) + +/* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */ +#define SUN4D_IPI_IRQ 14 + +extern void sun4d_ipi_interrupt(void); + #endif |