arch/mips/include/asm/idle.h

   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  */