|  | /* | 
|  | *	linux/arch/alpha/kernel/irq_impl.h | 
|  | * | 
|  | *	Copyright (C) 1995 Linus Torvalds | 
|  | *	Copyright (C) 1998, 2000 Richard Henderson | 
|  | * | 
|  | * This file contains declarations and inline functions for interfacing | 
|  | * with the IRQ handling routines in irq.c. | 
|  | */ | 
|  |  | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/irq.h> | 
|  | #include <linux/profile.h> | 
|  |  | 
|  |  | 
|  | #define RTC_IRQ    8 | 
|  |  | 
|  | extern void isa_device_interrupt(unsigned long); | 
|  | extern void isa_no_iack_sc_device_interrupt(unsigned long); | 
|  | extern void srm_device_interrupt(unsigned long); | 
|  | extern void pyxis_device_interrupt(unsigned long); | 
|  |  | 
|  | extern struct irqaction timer_irqaction; | 
|  | extern struct irqaction isa_cascade_irqaction; | 
|  | extern struct irqaction timer_cascade_irqaction; | 
|  | extern struct irqaction halt_switch_irqaction; | 
|  |  | 
|  | extern void init_srm_irqs(long, unsigned long); | 
|  | extern void init_pyxis_irqs(unsigned long); | 
|  | extern void init_rtc_irq(void); | 
|  |  | 
|  | extern void common_init_isa_dma(void); | 
|  |  | 
|  | extern void i8259a_enable_irq(struct irq_data *d); | 
|  | extern void i8259a_disable_irq(struct irq_data *d); | 
|  | extern void i8259a_mask_and_ack_irq(struct irq_data *d); | 
|  | extern struct irq_chip i8259a_irq_type; | 
|  | extern void init_i8259a_irqs(void); | 
|  |  | 
|  | extern void handle_irq(int irq); |