11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * linux/arch/alpha/kernel/irq_impl.h 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 1995 Linus Torvalds 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 1998, 2000 Richard Henderson 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This file contains declarations and inline functions for interfacing 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * with the IRQ handling routines in irq.c. 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/irq.h> 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/profile.h> 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RTC_IRQ 8 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 187ca56053b29633ef08b14e5ca16c663363edac36Al Viroextern void isa_device_interrupt(unsigned long); 193dbb8c62897f96bbf5d4e4fe649e5d3791fc33c5Al Viroextern void isa_no_iack_sc_device_interrupt(unsigned long); 207ca56053b29633ef08b14e5ca16c663363edac36Al Viroextern void srm_device_interrupt(unsigned long); 217ca56053b29633ef08b14e5ca16c663363edac36Al Viroextern void pyxis_device_interrupt(unsigned long); 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern struct irqaction timer_irqaction; 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern struct irqaction isa_cascade_irqaction; 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern struct irqaction timer_cascade_irqaction; 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern struct irqaction halt_switch_irqaction; 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void init_srm_irqs(long, unsigned long); 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void init_pyxis_irqs(unsigned long); 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void init_rtc_irq(void); 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void common_init_isa_dma(void); 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 34ff53afe66a3ab5614309a4193df72c82ec3bb984Thomas Gleixnerextern void i8259a_enable_irq(struct irq_data *d); 35ff53afe66a3ab5614309a4193df72c82ec3bb984Thomas Gleixnerextern void i8259a_disable_irq(struct irq_data *d); 36ff53afe66a3ab5614309a4193df72c82ec3bb984Thomas Gleixnerextern void i8259a_mask_and_ack_irq(struct irq_data *d); 3744377f622ee4f23ea0afc9b83dba5d3ec2d560cdThomas Gleixnerextern struct irq_chip i8259a_irq_type; 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern void init_i8259a_irqs(void); 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 403dbb8c62897f96bbf5d4e4fe649e5d3791fc33c5Al Viroextern void handle_irq(int irq); 41