xref: /openbmc/linux/arch/arm/mach-pxa/pm.h (revision 9b93eb47)
1 /*
2  * Copyright (c) 2005 Richard Purdie
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  *
8  */
9 
10 #include <linux/suspend.h>
11 
12 struct pxa_cpu_pm_fns {
13 	int	save_count;
14 	void	(*save)(unsigned long *);
15 	void	(*restore)(unsigned long *);
16 	int	(*valid)(suspend_state_t state);
17 	void	(*enter)(suspend_state_t state);
18 	int	(*prepare)(void);
19 	void	(*finish)(void);
20 };
21 
22 extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns;
23 
24 /* sleep.S */
25 extern int pxa25x_finish_suspend(unsigned long);
26 extern int pxa27x_finish_suspend(unsigned long);
27 
28 extern int pxa_pm_enter(suspend_state_t state);
29 extern int pxa_pm_prepare(void);
30 extern void pxa_pm_finish(void);
31 
32 extern const char pm_enter_standby_start[], pm_enter_standby_end[];
33 extern int pxa3xx_finish_suspend(unsigned long);
34 
35 /* NOTE: this is for PM debugging on Lubbock,  it's really a big
36  * ugly, but let's keep the crap minimum here, instead of direct
37  * accessing the LUBBOCK CPLD registers in arch/arm/mach-pxa/pm.c
38  */
39 #ifdef CONFIG_ARCH_LUBBOCK
40 extern void lubbock_set_hexled(uint32_t value);
41 #else
42 #define lubbock_set_hexled(x)
43 #endif
44