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
66