xref: /openbmc/linux/arch/arm/mach-pxa/pm.h (revision 3cf3cdea)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2005 Richard Purdie
4  */
5 
6 #include <linux/suspend.h>
7 
8 struct pxa_cpu_pm_fns {
9 	int	save_count;
10 	void	(*save)(unsigned long *);
11 	void	(*restore)(unsigned long *);
12 	int	(*valid)(suspend_state_t state);
13 	void	(*enter)(suspend_state_t state);
14 	int	(*prepare)(void);
15 	void	(*finish)(void);
16 };
17 
18 extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns;
19 
20 /* sleep.S */
21 extern int pxa25x_finish_suspend(unsigned long);
22 extern int pxa27x_finish_suspend(unsigned long);
23 
24 extern int pxa_pm_enter(suspend_state_t state);
25 extern int pxa_pm_prepare(void);
26 extern void pxa_pm_finish(void);
27 
28 extern const char pm_enter_standby_start[], pm_enter_standby_end[];
29 extern int pxa3xx_finish_suspend(unsigned long);
30 
31 /* NOTE: this is for PM debugging on Lubbock,  it's really a big
32  * ugly, but let's keep the crap minimum here, instead of direct
33  * accessing the LUBBOCK CPLD registers in arch/arm/mach-pxa/pm.c
34  */
35 #ifdef CONFIG_ARCH_LUBBOCK
36 extern void lubbock_set_hexled(uint32_t value);
37 #else
38 #define lubbock_set_hexled(x)
39 #endif
40