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 #if defined(CONFIG_PM_OPP) 24 extern int omap3_opp_init(void); 25 extern int omap4_opp_init(void); 26 #else 27 static inline int omap3_opp_init(void) 28 { 29 return -EINVAL; 30 } 31 static inline int omap4_opp_init(void) 32 { 33 return -EINVAL; 34 } 35 #endif 36 37 struct cpuidle_params { 38 u8 valid; 39 u32 sleep_latency; 40 u32 wake_latency; 41 u32 threshold; 42 }; 43 44 #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE) 45 extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params); 46 #else 47 static 48 inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params) 49 { 50 } 51 #endif 52 53 extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); 54 extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); 55 56 extern u32 wakeup_timer_seconds; 57 extern u32 wakeup_timer_milliseconds; 58 extern struct omap_dm_timer *gptimer_wakeup; 59 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; 66 #else 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 72 #endif 73 74 #if defined(CONFIG_CPU_IDLE) 75 extern void omap3_cpuidle_update_states(void); 76 #endif 77 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); 82 #else 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 */ 87 88 extern void omap24xx_idle_loop_suspend(void); 89 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); 95 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; 101 102 #endif 103