2 * OMAP2/3 Power Management Routines
4 * Copyright (C) 2008 Nokia Corporation
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.
11 #ifndef __ARCH_ARM_MACH_OMAP2_PM_H
12 #define __ARCH_ARM_MACH_OMAP2_PM_H
14 #include <plat/powerdomain.h>
16 extern void *omap3_secure_ram_storage
;
17 extern void omap3_pm_off_mode_enable(int);
18 extern void omap_sram_idle(void);
19 extern int omap3_can_sleep(void);
20 extern int omap_set_pwrdm_state(struct powerdomain
*pwrdm
, u32 state
);
21 extern int omap3_idle_init(void);
23 struct cpuidle_params
{
30 #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE)
31 extern void omap3_pm_init_cpuidle(struct cpuidle_params
*cpuidle_board_params
);
34 inline void omap3_pm_init_cpuidle(struct cpuidle_params
*cpuidle_board_params
)
39 extern int omap3_pm_get_suspend_state(struct powerdomain
*pwrdm
);
40 extern int omap3_pm_set_suspend_state(struct powerdomain
*pwrdm
, int state
);
42 extern u32 wakeup_timer_seconds
;
43 extern u32 wakeup_timer_milliseconds
;
44 extern struct omap_dm_timer
*gptimer_wakeup
;
46 #ifdef CONFIG_PM_DEBUG
47 extern void omap2_pm_dump(int mode
, int resume
, unsigned int us
);
48 extern void omap2_pm_wakeup_on_timer(u32 seconds
, u32 milliseconds
);
49 extern int omap2_pm_debug
;
50 extern u32 enable_off_mode
;
51 extern u32 sleep_while_idle
;
53 #define omap2_pm_dump(mode, resume, us) do {} while (0);
54 #define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0);
55 #define omap2_pm_debug 0
56 #define enable_off_mode 0
57 #define sleep_while_idle 0
60 #if defined(CONFIG_CPU_IDLE)
61 extern void omap3_cpuidle_update_states(void);
64 #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
65 extern void pm_dbg_update_time(struct powerdomain
*pwrdm
, int prev
);
66 extern int pm_dbg_regset_save(int reg_set
);
67 extern int pm_dbg_regset_init(int reg_set
);
69 #define pm_dbg_update_time(pwrdm, prev) do {} while (0);
70 #define pm_dbg_regset_save(reg_set) do {} while (0);
71 #define pm_dbg_regset_init(reg_set) do {} while (0);
72 #endif /* CONFIG_PM_DEBUG */
74 extern void omap24xx_idle_loop_suspend(void);
76 extern void omap24xx_cpu_suspend(u32 dll_ctrl
, void __iomem
*sdrc_dlla_ctrl
,
77 void __iomem
*sdrc_power
);
78 extern void omap34xx_cpu_suspend(u32
*addr
, int save_state
);
79 extern void save_secure_ram_context(u32
*addr
);
80 extern void omap3_save_scratchpad_contents(void);
82 extern unsigned int omap24xx_idle_loop_suspend_sz
;
83 extern unsigned int omap34xx_suspend_sz
;
84 extern unsigned int save_secure_ram_context_sz
;
85 extern unsigned int omap24xx_cpu_suspend_sz
;
86 extern unsigned int omap34xx_cpu_suspend_sz
;