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irq_handler.h
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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 #include <mach/irq.h>
13 
14 /* init functions only */
15 extern int __init init_arch_irq(void);
16 extern void init_exception_vectors(void);
17 extern void __init program_IAR(void);
18 #ifdef init_mach_irq
19 extern void __init init_mach_irq(void);
20 #else
21 # define init_mach_irq()
22 #endif
23 
24 /* BASE LEVEL interrupt handler routines */
25 asmlinkage void evt_exception(void);
26 asmlinkage void trap(void);
27 asmlinkage void evt_ivhw(void);
28 asmlinkage void evt_timer(void);
29 asmlinkage void evt_nmi(void);
30 asmlinkage void evt_evt7(void);
31 asmlinkage void evt_evt8(void);
32 asmlinkage void evt_evt9(void);
33 asmlinkage void evt_evt10(void);
34 asmlinkage void evt_evt11(void);
35 asmlinkage void evt_evt12(void);
36 asmlinkage void evt_evt13(void);
37 asmlinkage void evt_evt14(void);
38 asmlinkage void evt_soft_int1(void);
39 asmlinkage void evt_system_call(void);
41 asmlinkage void trap_c(struct pt_regs *fp);
42 asmlinkage void ex_replaceable(void);
43 asmlinkage void early_trap(void);
44 
45 extern void *ex_table[];
46 extern void return_from_exception(void);
47 
48 extern int bfin_request_exception(unsigned int exception, void (*handler)(void));
49 extern int bfin_free_exception(unsigned int exception, void (*handler)(void));
50 
51 extern asmlinkage void lower_to_irq14(void);
52 extern asmlinkage void bfin_return_from_exception(void);
53 extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
54 extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);
55 
56 struct irq_data;
57 extern void bfin_handle_irq(unsigned irq);
58 extern void bfin_ack_noop(struct irq_data *);
59 extern void bfin_internal_mask_irq(unsigned int irq);
60 extern void bfin_internal_unmask_irq(unsigned int irq);
61 
62 struct irq_desc;
63 extern void bfin_demux_mac_status_irq(unsigned int, struct irq_desc *);
64 extern void bfin_demux_gpio_irq(unsigned int, struct irq_desc *);
65 
66 #endif