xref: /openbmc/linux/arch/arm/mach-omap2/pm.h (revision b6dcefde)
1 /*
2  * OMAP2/3 Power Management Routines
3  *
4  * Copyright (C) 2008 Nokia Corporation
5  * Jouni Hogander
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 #ifndef __ARCH_ARM_MACH_OMAP2_PM_H
12 #define __ARCH_ARM_MACH_OMAP2_PM_H
13 
14 #include <plat/powerdomain.h>
15 
16 extern u32 enable_off_mode;
17 extern u32 sleep_while_idle;
18 
19 extern void *omap3_secure_ram_storage;
20 extern void omap3_pm_off_mode_enable(int);
21 extern void omap_sram_idle(void);
22 extern int omap3_can_sleep(void);
23 extern int set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
24 extern int omap3_idle_init(void);
25 
26 extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
27 extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
28 
29 extern u32 wakeup_timer_seconds;
30 extern struct omap_dm_timer *gptimer_wakeup;
31 
32 #ifdef CONFIG_PM_DEBUG
33 extern void omap2_pm_dump(int mode, int resume, unsigned int us);
34 extern int omap2_pm_debug;
35 #else
36 #define omap2_pm_dump(mode, resume, us)		do {} while (0);
37 #define omap2_pm_debug				0
38 #endif
39 
40 #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
41 extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
42 extern int pm_dbg_regset_save(int reg_set);
43 extern int pm_dbg_regset_init(int reg_set);
44 #else
45 #define pm_dbg_update_time(pwrdm, prev) do {} while (0);
46 #define pm_dbg_regset_save(reg_set) do {} while (0);
47 #define pm_dbg_regset_init(reg_set) do {} while (0);
48 #endif /* CONFIG_PM_DEBUG */
49 
50 extern void omap24xx_idle_loop_suspend(void);
51 
52 extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
53 					void __iomem *sdrc_power);
54 extern void omap34xx_cpu_suspend(u32 *addr, int save_state);
55 extern void save_secure_ram_context(u32 *addr);
56 extern void omap3_save_scratchpad_contents(void);
57 
58 extern unsigned int omap24xx_idle_loop_suspend_sz;
59 extern unsigned int omap34xx_suspend_sz;
60 extern unsigned int save_secure_ram_context_sz;
61 extern unsigned int omap24xx_cpu_suspend_sz;
62 extern unsigned int omap34xx_cpu_suspend_sz;
63 
64 #endif
65