diff options
Diffstat (limited to 'include/asm-arm26/irqchip.h')
-rw-r--r-- | include/asm-arm26/irqchip.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/include/asm-arm26/irqchip.h b/include/asm-arm26/irqchip.h deleted file mode 100644 index 6a007a954098..000000000000 --- a/include/asm-arm26/irqchip.h +++ /dev/null @@ -1,101 +0,0 @@ -/* - * linux/include/asm-arm/mach/irq.h - * - * Copyright (C) 1995-2000 Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_ARM_MACH_IRQ_H -#define __ASM_ARM_MACH_IRQ_H - -struct irqdesc; -struct pt_regs; -struct seq_file; - -typedef void (*irq_handler_t)(unsigned int, struct irqdesc *, struct pt_regs *); -typedef void (*irq_control_t)(unsigned int); - -struct irqchip { - /* - * Acknowledge the IRQ. - * If this is a level-based IRQ, then it is expected to mask the IRQ - * as well. - */ - void (*ack)(unsigned int); - /* - * Mask the IRQ in hardware. - */ - void (*mask)(unsigned int); - /* - * Unmask the IRQ in hardware. - */ - void (*unmask)(unsigned int); - /* - * Re-run the IRQ - */ - void (*rerun)(unsigned int); - /* - * Set the type of the IRQ. - */ - int (*type)(unsigned int, unsigned int); -}; - -struct irqdesc { - irq_handler_t handle; - struct irqchip *chip; - struct irqaction *action; - - unsigned int enabled : 1; /* IRQ is currently enabled */ - unsigned int triggered: 1; /* IRQ has occurred */ - unsigned int running : 1; /* IRQ is running */ - unsigned int pending : 1; /* IRQ is pending */ - unsigned int probing : 1; /* IRQ in use for a probe */ - unsigned int probe_ok : 1; /* IRQ can be used for probe */ - unsigned int valid : 1; /* IRQ claimable */ - unsigned int noautoenable : 1; /* don't automatically enable IRQ */ - unsigned int unused :23; - unsigned int depth; /* disable depth */ - - /* - * IRQ lock detection - */ - unsigned int lck_cnt; - unsigned int lck_pc; - unsigned int lck_jif; -}; - -extern struct irqdesc irq_desc[]; - -/* - * This is internal. Do not use it. - */ -extern void (*init_arch_irq)(void); -extern void init_FIQ(void); -extern int show_fiq_list(struct seq_file *, void *); -void __set_irq_handler(unsigned int irq, irq_handler_t, int); - -/* - * External stuff. - */ -#define set_irq_handler(irq,handler) __set_irq_handler(irq,handler,0) -#define set_irq_chained_handler(irq,handler) __set_irq_handler(irq,handler,1) - -void set_irq_chip(unsigned int irq, struct irqchip *); -void set_irq_flags(unsigned int irq, unsigned int flags); - -#define IRQF_VALID (1 << 0) -#define IRQF_PROBE (1 << 1) -#define IRQF_NOAUTOEN (1 << 2) - -/* - * Built-in IRQ handlers. - */ -void do_level_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs); -void do_edge_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs); -void do_simple_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs); -void do_bad_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs); -void dummy_mask_unmask_irq(unsigned int irq); - -#endif |