1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_IDLE_H
3 #define __ASM_IDLE_H
4 
5 #include <linux/cpuidle.h>
6 #include <linux/linkage.h>
7 
8 extern void (*cpu_wait)(void);
9 extern void r4k_wait(void);
10 extern asmlinkage void __r4k_wait(void);
11 extern void r4k_wait_irqoff(void);
12 
using_rollback_handler(void)13 static inline int using_rollback_handler(void)
14 {
15 	return cpu_wait == r4k_wait;
16 }
17 
18 extern void __init check_wait(void);
19 
20 extern int mips_cpuidle_wait_enter(struct cpuidle_device *dev,
21 				   struct cpuidle_driver *drv, int index);
22 
23 #define MIPS_CPUIDLE_WAIT_STATE {\
24 	.enter			= mips_cpuidle_wait_enter,\
25 	.exit_latency		= 1,\
26 	.target_residency	= 1,\
27 	.power_usage		= UINT_MAX,\
28 	.name			= "wait",\
29 	.desc			= "MIPS wait",\
30 }
31 
32 #endif /* __ASM_IDLE_H  */
33