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 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); 22 23 struct cpuidle_params { 24 u8 valid; 25 u32 sleep_latency; 26 u32 wake_latency; 27 u32 threshold; 28 }; 29 30 #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE) 31 extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params); 32 #else 33 static 34 inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params) 35 { 36 } 37 #endif 38 39 extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); 40 extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); 41 42 extern u32 wakeup_timer_seconds; 43 extern u32 wakeup_timer_milliseconds; 44 extern struct omap_dm_timer *gptimer_wakeup; 45 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; 52 #else 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 58 #endif 59 60 #if defined(CONFIG_CPU_IDLE) 61 extern void omap3_cpuidle_update_states(void); 62 #endif 63 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); 68 #else 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 */ 73 74 extern void omap24xx_idle_loop_suspend(void); 75 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); 81 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; 87 88 #endif 89