arch/sparc/kernel/irq.h

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