OMAP3: PM debug: allow runtime toggle of PM features

[deliverable/linux.git] / arch / arm / mach-omap2 / pm.h

/*
 * OMAP2/3 Power Management Routines
 *
 * Copyright (C) 2008 Nokia Corporation
 * Jouni Hogander
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __ARCH_ARM_MACH_OMAP2_PM_H
#define __ARCH_ARM_MACH_OMAP2_PM_H

#include <plat/powerdomain.h>

extern u32 enable_off_mode;
extern u32 sleep_while_idle;

extern void *omap3_secure_ram_storage;
extern void omap3_pm_off_mode_enable(int);

extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);

#ifdef CONFIG_PM_DEBUG
extern void omap2_pm_dump(int mode, int resume, unsigned int us);
extern int omap2_pm_debug;
extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
extern int pm_dbg_regset_save(int reg_set);
extern int pm_dbg_regset_init(int reg_set);
#else
#define omap2_pm_dump(mode, resume, us)		do {} while (0);
#define omap2_pm_debug				0
#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
#define pm_dbg_regset_save(reg_set) do {} while (0);
#define pm_dbg_regset_init(reg_set) do {} while (0);
#endif /* CONFIG_PM_DEBUG */

extern void omap24xx_idle_loop_suspend(void);

extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
					void __iomem *sdrc_power);
extern void omap34xx_cpu_suspend(u32 *addr, int save_state);
extern void save_secure_ram_context(u32 *addr);
extern void omap3_save_scratchpad_contents(void);

extern unsigned int omap24xx_idle_loop_suspend_sz;
extern unsigned int omap34xx_suspend_sz;
extern unsigned int save_secure_ram_context_sz;
extern unsigned int omap24xx_cpu_suspend_sz;
extern unsigned int omap34xx_cpu_suspend_sz;

#endif