arch/alpha/kernel/irq_impl.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  *      linux/arch/alpha/kernel/irq_impl.h
   4  *
   5  *      Copyright (C) 1995 Linus Torvalds
   6  *      Copyright (C) 1998, 2000 Richard Henderson
   7  *
   8  * This file contains declarations and inline functions for interfacing
   9  * with the IRQ handling routines in irq.c.
  10  */
  11
  12 #include <linux/interrupt.h>
  13 #include <linux/irq.h>
  14 #include <linux/profile.h>
  15
  16
  17 #define RTC_IRQ    8
  18
  19 extern void isa_device_interrupt(unsigned long);
  20 extern void isa_no_iack_sc_device_interrupt(unsigned long);
  21 extern void srm_device_interrupt(unsigned long);
  22 extern void pyxis_device_interrupt(unsigned long);
  23
  24 extern struct irqaction timer_irqaction;
  25 extern struct irqaction isa_cascade_irqaction;
  26 extern struct irqaction timer_cascade_irqaction;
  27 extern struct irqaction halt_switch_irqaction;
  28
  29 extern void init_srm_irqs(long, unsigned long);
  30 extern void init_pyxis_irqs(unsigned long);
  31 extern void init_rtc_irq(void);
  32
  33 extern void common_init_isa_dma(void);
  34
  35 extern void i8259a_enable_irq(struct irq_data *d);
  36 extern void i8259a_disable_irq(struct irq_data *d);
  37 extern void i8259a_mask_and_ack_irq(struct irq_data *d);
  38 extern struct irq_chip i8259a_irq_type;
  39 extern void init_i8259a_irqs(void);
  40
  41 extern void handle_irq(int irq);