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 #if defined(CONFIG_PM_OPP)
24 extern int omap3_opp_init(void);
25 extern int omap4_opp_init(void);
27 static inline int omap3_opp_init(void)
31 static inline int omap4_opp_init(void)
37 struct cpuidle_params {
44 #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE)
45 extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params);
48 inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params)
53 extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
54 extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
56 extern u32 wakeup_timer_seconds;
57 extern u32 wakeup_timer_milliseconds;
58 extern struct omap_dm_timer *gptimer_wakeup;
60 #ifdef CONFIG_PM_DEBUG
61 extern void omap2_pm_dump(int mode, int resume, unsigned int us);
62 extern void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds);
63 extern int omap2_pm_debug;
64 extern u32 enable_off_mode;
65 extern u32 sleep_while_idle;
67 #define omap2_pm_dump(mode, resume, us) do {} while (0);
68 #define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0);
69 #define omap2_pm_debug 0
70 #define enable_off_mode 0
71 #define sleep_while_idle 0
74 #if defined(CONFIG_CPU_IDLE)
75 extern void omap3_cpuidle_update_states(void);
78 #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
79 extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
80 extern int pm_dbg_regset_save(int reg_set);
81 extern int pm_dbg_regset_init(int reg_set);
83 #define pm_dbg_update_time(pwrdm, prev) do {} while (0);
84 #define pm_dbg_regset_save(reg_set) do {} while (0);
85 #define pm_dbg_regset_init(reg_set) do {} while (0);
86 #endif /* CONFIG_PM_DEBUG */
88 extern void omap24xx_idle_loop_suspend(void);
90 extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
91 void __iomem *sdrc_power);
92 extern void omap34xx_cpu_suspend(u32 *addr, int save_state);
93 extern void save_secure_ram_context(u32 *addr);
94 extern void omap3_save_scratchpad_contents(void);
96 extern unsigned int omap24xx_idle_loop_suspend_sz;
97 extern unsigned int omap34xx_suspend_sz;
98 extern unsigned int save_secure_ram_context_sz;
99 extern unsigned int omap24xx_cpu_suspend_sz;
100 extern unsigned int omap34xx_cpu_suspend_sz;