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 extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); 27 extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); 28 29 extern u32 wakeup_timer_seconds; 30 extern struct omap_dm_timer *gptimer_wakeup; 31 32 #ifdef CONFIG_PM_DEBUG 33 extern void omap2_pm_dump(int mode, int resume, unsigned int us); 34 extern int omap2_pm_debug; 35 #else 36 #define omap2_pm_dump(mode, resume, us) do {} while (0); 37 #define omap2_pm_debug 0 38 #endif 39 40 #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) 41 extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); 42 extern int pm_dbg_regset_save(int reg_set); 43 extern int pm_dbg_regset_init(int reg_set); 44 #else 45 #define pm_dbg_update_time(pwrdm, prev) do {} while (0); 46 #define pm_dbg_regset_save(reg_set) do {} while (0); 47 #define pm_dbg_regset_init(reg_set) do {} while (0); 48 #endif /* CONFIG_PM_DEBUG */ 49 50 extern void omap24xx_idle_loop_suspend(void); 51 52 extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, 53 void __iomem *sdrc_power); 54 extern void omap34xx_cpu_suspend(u32 *addr, int save_state); 55 extern void save_secure_ram_context(u32 *addr); 56 extern void omap3_save_scratchpad_contents(void); 57 58 extern unsigned int omap24xx_idle_loop_suspend_sz; 59 extern unsigned int omap34xx_suspend_sz; 60 extern unsigned int save_secure_ram_context_sz; 61 extern unsigned int omap24xx_cpu_suspend_sz; 62 extern unsigned int omap34xx_cpu_suspend_sz; 63 64 #endif 65