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); 42