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