arch/blackfin/include/asm/irq_handler.h

   1 /*
   2  * Copyright 2007-2009 Analog Devices Inc.
   3  *
   4  * Licensed under the GPL-2 or later.
   5  */
   6
   7 #ifndef _IRQ_HANDLER_H
   8 #define _IRQ_HANDLER_H
   9
  10 #include <linux/types.h>
  11 #include <linux/linkage.h>
  12
  13 /* init functions only */
  14 extern int __init init_arch_irq(void);
  15 extern void init_exception_vectors(void);
  16 extern void __init program_IAR(void);
  17 #ifdef init_mach_irq
  18 extern void __init init_mach_irq(void);
  19 #else
  20 # define init_mach_irq()
  21 #endif
  22
  23 /* BASE LEVEL interrupt handler routines */
  24 asmlinkage void evt_exception(void);
  25 asmlinkage void trap(void);
  26 asmlinkage void evt_ivhw(void);
  27 asmlinkage void evt_timer(void);
  28 asmlinkage void evt_nmi(void);
  29 asmlinkage void evt_evt7(void);
  30 asmlinkage void evt_evt8(void);
  31 asmlinkage void evt_evt9(void);
  32 asmlinkage void evt_evt10(void);
  33 asmlinkage void evt_evt11(void);
  34 asmlinkage void evt_evt12(void);
  35 asmlinkage void evt_evt13(void);
  36 asmlinkage void evt_evt14(void);
  37 asmlinkage void evt_soft_int1(void);
  38 asmlinkage void evt_system_call(void);
  39 asmlinkage void init_exception_buff(void);
  40 asmlinkage void trap_c(struct pt_regs *fp);
  41 asmlinkage void ex_replaceable(void);
  42 asmlinkage void early_trap(void);
  43
  44 extern void *ex_table[];
  45 extern void return_from_exception(void);
  46
  47 extern int bfin_request_exception(unsigned int exception, void (*handler)(void));
  48 extern int bfin_free_exception(unsigned int exception, void (*handler)(void));
  49
  50 extern asmlinkage void lower_to_irq14(void);
  51 extern asmlinkage void bfin_return_from_exception(void);
  52 extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
  53 extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);
  54
  55 struct irq_data;
  56 extern void bfin_handle_irq(unsigned irq);
  57 extern void bfin_ack_noop(struct irq_data *);
  58 extern void bfin_internal_mask_irq(unsigned int irq);
  59 extern void bfin_internal_unmask_irq(unsigned int irq);
  60
  61 struct irq_desc;
  62 extern void bfin_demux_mac_status_irq(unsigned int, struct irq_desc *);
  63 extern void bfin_demux_gpio_irq(unsigned int, struct irq_desc *);
  64
  65 #endif