static inline void handle_keyboard_event(unsigned char scancode)
{
#ifdef CONFIG_VT
kbd_exists = 1;
if (do_acknowledge(scancode))
handle_scancode(scancode, !(scancode & 0x80));
#endif
tasklet_schedule(&keyboard_tasklet);
}
/*
* This reads the keyboard status port, and does the
* appropriate action.
*
* It requires that we hold the keyboard controller
* spinlock.
*/
static unsigned char handle_kbd_event(void)
{
unsigned char status = kbd_read_status();
unsigned int work = 10000;
while (status & KBD_STAT_OBF) {
unsigned char scancode;
scancode = kbd_read_input();
if (status & KBD_STAT_MOUSE_OBF) {
handle_mouse_event(scancode);
} else {
do_acknowledge(scancode);
printk("pc_keyb: %X ", scancode );
}
status = kbd_read_status();
if(!work--) {
printk("pc_keyb: controller jammed (0x%02X).\n", status);
break;
}
}
return status;
}
static void
pcikbd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
unsigned long flags;
unsigned char status;
spin_lock_irqsave(&pcikbd_lock, flags);
kbd_pt_regs = regs;
status = pcikbd_inb(pcikbd_iobase + KBD_STATUS_REG);
do {
unsigned char scancode;
if(status & pckbd_read_mask & KBD_STAT_MOUSE_OBF)
break;
scancode = pcikbd_inb(pcikbd_iobase + KBD_DATA_REG);
if((status & KBD_STAT_OBF) && do_acknowledge(scancode))
handle_scancode(scancode, !(scancode & 0x80));
status = pcikbd_inb(pcikbd_iobase + KBD_STATUS_REG);
} while(status & KBD_STAT_OBF);
tasklet_schedule(&keyboard_tasklet);
spin_unlock_irqrestore(&pcikbd_lock, flags);
}
static inline void handle_keyboard_event(unsigned char scancode)
{
if (do_acknowledge(scancode))
handle_scancode(scancode, !(scancode & 0x80));
}
