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 16extern u32 enable_off_mode; 17extern u32 sleep_while_idle; 18 19extern void *omap3_secure_ram_storage; 20extern void omap3_pm_off_mode_enable(int); 21extern void omap_sram_idle(void); 22extern int omap3_can_sleep(void); 23extern int set_pwrdm_state(struct powerdomain *pwrdm, u32 state); 24extern int omap3_idle_init(void); 25 26struct cpuidle_params { 27 u8 valid; 28 u32 sleep_latency; 29 u32 wake_latency; 30 u32 threshold; 31}; 32 33#if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE) 34extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params); 35#else 36static 37inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params) 38{ 39} 40#endif 41 42extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); 43extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); 44 45extern u32 wakeup_timer_seconds; 46extern u32 wakeup_timer_milliseconds; 47extern struct omap_dm_timer *gptimer_wakeup; 48 49#ifdef CONFIG_PM_DEBUG 50extern void omap2_pm_dump(int mode, int resume, unsigned int us); 51extern int omap2_pm_debug; 52#else 53#define omap2_pm_dump(mode, resume, us) do {} while (0); 54#define omap2_pm_debug 0 55#endif 56 57#if defined(CONFIG_CPU_IDLE) 58extern void omap3_cpuidle_update_states(void); 59#endif 60 61#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) 62extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); 63extern int pm_dbg_regset_save(int reg_set); 64extern int pm_dbg_regset_init(int reg_set); 65#else 66#define pm_dbg_update_time(pwrdm, prev) do {} while (0); 67#define pm_dbg_regset_save(reg_set) do {} while (0); 68#define pm_dbg_regset_init(reg_set) do {} while (0); 69#endif /* CONFIG_PM_DEBUG */ 70 71extern void omap24xx_idle_loop_suspend(void); 72 73extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, 74 void __iomem *sdrc_power); 75extern void omap34xx_cpu_suspend(u32 *addr, int save_state); 76extern void save_secure_ram_context(u32 *addr); 77extern void omap3_save_scratchpad_contents(void); 78 79extern unsigned int omap24xx_idle_loop_suspend_sz; 80extern unsigned int omap34xx_suspend_sz; 81extern unsigned int save_secure_ram_context_sz; 82extern unsigned int omap24xx_cpu_suspend_sz; 83extern unsigned int omap34xx_cpu_suspend_sz; 84 85#endif 86