1 #ifndef __ASM_IDLE_H 2 #define __ASM_IDLE_H 3 4 #include <linux/cpuidle.h> 5 #include <linux/linkage.h> 6 7 extern void (*cpu_wait)(void); 8 extern void r4k_wait(void); 9 extern asmlinkage void __r4k_wait(void); 10 extern void r4k_wait_irqoff(void); 11 extern void __pastwait(void); 12 13 static inline int using_rollback_handler(void) 14 { 15 return cpu_wait == r4k_wait; 16 } 17 18 static inline int address_is_in_r4k_wait_irqoff(unsigned long addr) 19 { 20 return addr >= (unsigned long)r4k_wait_irqoff && 21 addr < (unsigned long)__pastwait; 22 } 23 24 extern int mips_cpuidle_wait_enter(struct cpuidle_device *dev, 25 struct cpuidle_driver *drv, int index); 26 27 #define MIPS_CPUIDLE_WAIT_STATE {\ 28 .enter = mips_cpuidle_wait_enter,\ 29 .exit_latency = 1,\ 30 .target_residency = 1,\ 31 .power_usage = UINT_MAX,\ 32 .flags = CPUIDLE_FLAG_TIME_VALID,\ 33 .name = "wait",\ 34 .desc = "MIPS wait",\ 35 } 36 37 #endif /* __ASM_IDLE_H */ 38