xref: /openbmc/linux/arch/sparc/kernel/irq.h (revision f15cbe6f)
1 #include <asm/btfixup.h>
2 
3 /* Dave Redman (djhr@tadpole.co.uk)
4  * changed these to function pointers.. it saves cycles and will allow
5  * the irq dependencies to be split into different files at a later date
6  * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
7  * Jakub Jelinek (jj@sunsite.mff.cuni.cz)
8  * Changed these to btfixup entities... It saves cycles :)
9  */
10 
11 BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
12 BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
13 BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int)
14 BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int)
15 BTFIXUPDEF_CALL(void, clear_clock_irq, void)
16 BTFIXUPDEF_CALL(void, clear_profile_irq, int)
17 BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)
18 
19 static inline void __disable_irq(unsigned int irq)
20 {
21 	BTFIXUP_CALL(disable_irq)(irq);
22 }
23 
24 static inline void __enable_irq(unsigned int irq)
25 {
26 	BTFIXUP_CALL(enable_irq)(irq);
27 }
28 
29 static inline void disable_pil_irq(unsigned int irq)
30 {
31 	BTFIXUP_CALL(disable_pil_irq)(irq);
32 }
33 
34 static inline void enable_pil_irq(unsigned int irq)
35 {
36 	BTFIXUP_CALL(enable_pil_irq)(irq);
37 }
38 
39 static inline void clear_clock_irq(void)
40 {
41 	BTFIXUP_CALL(clear_clock_irq)();
42 }
43 
44 static inline void clear_profile_irq(int irq)
45 {
46 	BTFIXUP_CALL(clear_profile_irq)(irq);
47 }
48 
49 static inline void load_profile_irq(int cpu, int limit)
50 {
51 	BTFIXUP_CALL(load_profile_irq)(cpu, limit);
52 }
53 
54 extern void (*sparc_init_timers)(irq_handler_t lvl10_irq);
55 
56 extern void claim_ticker14(irq_handler_t irq_handler,
57 			   int irq,
58 			   unsigned int timeout);
59 
60 #ifdef CONFIG_SMP
61 BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
62 BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
63 BTFIXUPDEF_CALL(void, set_irq_udt, int)
64 
65 #define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level)
66 #define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level)
67 #define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
68 #endif
69