/* gpiohandler.c - gpiohandler */

#include 

/*------------------------------------------------------------------------
 *  gpiohandler  -  Handle an interrupt for a gpio device
 *------------------------------------------------------------------------
 */
void gpiohandler(
                uint32  xnum    /* IRQ number   */
        )
{
        struct gpio_csreg *csrptr;      /* GPIO CSR pointer             */
        gpiointhook gphookfn;           /* The inerrupt function        */

        /* Clear all interrupts */

        if(xnum == GPIO0_INT_A) {
                csrptr = (struct gpio_csreg *)(GPIO0_BASE);
                gphookfn = gpiotab[0].gphookfn;
                if(gphookfn != NULL)
                        gphookfn(xnum, csrptr->irqstatus0);
                csrptr->irqstatus0 = 0xFFFFFFFF;
                return;
        }
        if(xnum == GPIO0_INT_B) {
                csrptr = (struct gpio_csreg *)(GPIO0_BASE);
                gphookfn = gpiotab[0].gphookfn;
                if(gphookfn != NULL)
                        gphookfn(xnum, csrptr->irqstatus1);
                csrptr->irqstatus1 = 0xFFFFFFFF;
                return;
        }

        if(xnum == GPIO1_INT_A) {
                csrptr = (struct gpio_csreg *)(GPIO1_BASE);
                gphookfn = gpiotab[1].gphookfn;
                if(gphookfn != NULL)
                        gphookfn(xnum, csrptr->irqstatus0);
                csrptr->irqstatus0 = 0xFFFFFFFF;
                return;
        }
        if(xnum == GPIO1_INT_B) {
                csrptr = (struct gpio_csreg *)(GPIO1_BASE);
                gphookfn = gpiotab[1].gphookfn;
                if(gphookfn != NULL)
                        gphookfn(xnum, csrptr->irqstatus1);
                csrptr->irqstatus1 = 0xFFFFFFFF;
                return;
        }

        if(xnum == GPIO2_INT_A) {
                csrptr = (struct gpio_csreg *)(GPIO2_BASE);
                gphookfn = gpiotab[2].gphookfn;
                if(gphookfn != NULL)
                        gphookfn(xnum, csrptr->irqstatus0);
                csrptr->irqstatus0 = 0xFFFFFFFF;
                return;
        }
        if(xnum == GPIO2_INT_B) {
                csrptr = (struct gpio_csreg *)(GPIO2_BASE);
                gphookfn = gpiotab[2].gphookfn;
                if(gphookfn != NULL)
                        gphookfn(xnum, csrptr->irqstatus1);
                csrptr->irqstatus1 = 0xFFFFFFFF;
                return;
        }

        if(xnum == GPIO3_INT_A) {
                csrptr = (struct gpio_csreg *)(GPIO3_BASE);
                gphookfn = gpiotab[3].gphookfn;
                if(gphookfn != NULL)
                        gphookfn(xnum, csrptr->irqstatus0);
                csrptr->irqstatus0 = 0xFFFFFFFF;
                return;
        }
        if(xnum == GPIO3_INT_B) {
                csrptr = (struct gpio_csreg *)(GPIO3_BASE);
                gphookfn = gpiotab[3].gphookfn;
                if(gphookfn != NULL)
                        gphookfn(xnum, csrptr->irqstatus1);
                csrptr->irqstatus1 = 0xFFFFFFFF;
                return;
        }
}