Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

#ifdef __KERNEL__

#ifndef __OR32_IRQ_H__

#define __OR32_IRQ_H__

#include <linux/interrupt.h>

#include <asm/machdep.h>

#include <asm/atomic.h>

extern void disable_irq(unsigned int);

extern void disable_irq_nosync(unsigned int);

extern void enable_irq(unsigned int);

#define NR_IRQS         32

static __inline__ int irq_canonicalize(int irq)

{

        return(irq);

}

/*

 * "Generic" interrupt sources

 */

#define IRQ_UART_0            (2)       /* interrupt source for UART dvice 0 */

#define IRQ_ETH_0             (4)       /* interrupt source for Ethernet dvice 0 */

#define IRQ_PS2_0             (5)       /* interrupt source for ps2 dvice 0 */

#define IRQ_SCHED_TIMER       (0)       /* interrupt source for scheduling timer */

/*

 * various flags for request_irq()

 */

#define IRQ_FLG_LOCK    (0x0001)        /* handler is not replaceable   */

#define IRQ_FLG_REPLACE (0x0002)        /* replace existing handler     */

#define IRQ_FLG_PRI_HI  (0x0004)

#define IRQ_FLG_STD     (0x8000)        /* internally used              */

/*

 * This structure has only 4 elements for speed reasons

 */

typedef struct irq_handler {

        irqreturn_t     (*handler)(int, void *, struct pt_regs *);

        unsigned long   flags;

        void            *dev_id;

        const char      *devname;

} or_irq_handler_t; /*RGD*/

#endif /* __OR32_IRQ_H__ */

#endif /* __KERNEL__ */