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 u32 enable_off_mode
;
17 extern u32 sleep_while_idle
;
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 omap_set_pwrdm_state(struct powerdomain
*pwrdm
, u32 state
);
24 extern int omap3_idle_init(void);
26 struct cpuidle_params
{
33 #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE)
34 extern void omap3_pm_init_cpuidle(struct cpuidle_params
*cpuidle_board_params
);
37 inline void omap3_pm_init_cpuidle(struct cpuidle_params
*cpuidle_board_params
)
42 extern int omap3_pm_get_suspend_state(struct powerdomain
*pwrdm
);
43 extern int omap3_pm_set_suspend_state(struct powerdomain
*pwrdm
, int state
);
45 extern u32 wakeup_timer_seconds
;
46 extern u32 wakeup_timer_milliseconds
;
47 extern struct omap_dm_timer
*gptimer_wakeup
;
49 #ifdef CONFIG_PM_DEBUG
50 extern void omap2_pm_dump(int mode
, int resume
, unsigned int us
);
51 extern void omap2_pm_wakeup_on_timer(u32 seconds
, u32 milliseconds
);
52 extern int omap2_pm_debug
;
54 #define omap2_pm_dump(mode, resume, us) do {} while (0);
55 #define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0);
56 #define omap2_pm_debug 0
59 #if defined(CONFIG_CPU_IDLE)
60 extern void omap3_cpuidle_update_states(void);
63 #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
64 extern void pm_dbg_update_time(struct powerdomain
*pwrdm
, int prev
);
65 extern int pm_dbg_regset_save(int reg_set
);
66 extern int pm_dbg_regset_init(int reg_set
);
68 #define pm_dbg_update_time(pwrdm, prev) do {} while (0);
69 #define pm_dbg_regset_save(reg_set) do {} while (0);
70 #define pm_dbg_regset_init(reg_set) do {} while (0);
71 #endif /* CONFIG_PM_DEBUG */
73 extern void omap24xx_idle_loop_suspend(void);
75 extern void omap24xx_cpu_suspend(u32 dll_ctrl
, void __iomem
*sdrc_dlla_ctrl
,
76 void __iomem
*sdrc_power
);
77 extern void omap34xx_cpu_suspend(u32
*addr
, int save_state
);
78 extern void save_secure_ram_context(u32
*addr
);
79 extern void omap3_save_scratchpad_contents(void);
81 extern unsigned int omap24xx_idle_loop_suspend_sz
;
82 extern unsigned int omap34xx_suspend_sz
;
83 extern unsigned int save_secure_ram_context_sz
;
84 extern unsigned int omap24xx_cpu_suspend_sz
;
85 extern unsigned int omap34xx_cpu_suspend_sz
;