arch/alpha/kernel/irq_impl.h

   1 /*
   2  *      linux/arch/alpha/kernel/irq_impl.h
   3  *
   4  *      Copyright (C) 1995 Linus Torvalds
   5  *      Copyright (C) 1998, 2000 Richard Henderson
   6  *
   7  * This file contains declarations and inline functions for interfacing
   8  * with the IRQ handling routines in irq.c.
   9  */
  10
  11 #include <linux/interrupt.h>
  12 #include <linux/irq.h>
  13 #include <linux/profile.h>
  14
  15
  16 #define RTC_IRQ    8
  17
  18 extern void isa_device_interrupt(unsigned long, struct pt_regs *);
  19 extern void isa_no_iack_sc_device_interrupt(unsigned long, struct pt_regs *);
  20 extern void srm_device_interrupt(unsigned long, struct pt_regs *);
  21 extern void pyxis_device_interrupt(unsigned long, struct pt_regs *);
  22
  23 extern struct irqaction timer_irqaction;
  24 extern struct irqaction isa_cascade_irqaction;
  25 extern struct irqaction timer_cascade_irqaction;
  26 extern struct irqaction halt_switch_irqaction;
  27
  28 extern void init_srm_irqs(long, unsigned long);
  29 extern void init_pyxis_irqs(unsigned long);
  30 extern void init_rtc_irq(void);
  31
  32 extern void common_init_isa_dma(void);
  33
  34 extern void i8259a_enable_irq(unsigned int);
  35 extern void i8259a_disable_irq(unsigned int);
  36 extern void i8259a_mask_and_ack_irq(unsigned int);
  37 extern unsigned int i8259a_startup_irq(unsigned int);
  38 extern void i8259a_end_irq(unsigned int);
  39 extern struct hw_interrupt_type i8259a_irq_type;
  40 extern void init_i8259a_irqs(void);
  41
  42 extern void handle_irq(int irq, struct pt_regs * regs);