linux/arch/sparc/kernel/irq.h

93 lines
2.4 KiB
C

#include <linux/platform_device.h>
#include <asm/btfixup.h>
/* sun4m specific type definitions */
/* This maps direct to CPU specific interrupt registers */
struct sun4m_irq_percpu {
u32 pending;
u32 clear;
u32 set;
};
/* This maps direct to global interrupt registers */
struct sun4m_irq_global {
u32 pending;
u32 mask;
u32 mask_clear;
u32 mask_set;
u32 interrupt_target;
};
extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
extern struct sun4m_irq_global __iomem *sun4m_irq_global;
/*
* Platform specific irq configuration
* The individual platforms assign their platform
* specifics in their init functions.
*/
struct sparc_irq_config {
void (*init_timers)(irq_handler_t);
unsigned int (*build_device_irq)(struct platform_device *op,
unsigned int real_irq);
};
extern struct sparc_irq_config sparc_irq_config;
/* Dave Redman (djhr@tadpole.co.uk)
* changed these to function pointers.. it saves cycles and will allow
* the irq dependencies to be split into different files at a later date
* sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
* Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* 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)();
}
static inline void load_profile_irq(int cpu, int limit)
{
BTFIXUP_CALL(load_profile_irq)(cpu, limit);
}
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
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)
#endif