diff options
Diffstat (limited to 'arch/arm/mach-omap2/pm.h')
| -rw-r--r-- | arch/arm/mach-omap2/pm.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h new file mode 100644 index 00000000..45bcfce7 --- /dev/null +++ b/arch/arm/mach-omap2/pm.h @@ -0,0 +1,143 @@ +/* + * OMAP2/3 Power Management Routines + * + * Copyright (C) 2008 Nokia Corporation + * Jouni Hogander + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ARCH_ARM_MACH_OMAP2_PM_H +#define __ARCH_ARM_MACH_OMAP2_PM_H + +#include <linux/err.h> + +#include "powerdomain.h" + +extern void *omap3_secure_ram_storage; +extern void omap3_pm_off_mode_enable(int); +extern void omap_sram_idle(void); +extern int omap3_can_sleep(void); +extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state); +extern int omap3_idle_init(void); + +#if defined(CONFIG_PM_OPP) +extern int omap3_opp_init(void); +extern int omap4_opp_init(void); +#else +static inline int omap3_opp_init(void) +{ + return -EINVAL; +} +static inline int omap4_opp_init(void) +{ + return -EINVAL; +} +#endif + +/* + * cpuidle mach specific parameters + * + * The board code can override the default C-states definition using + * omap3_pm_init_cpuidle + */ +struct cpuidle_params { + u32 exit_latency; /* exit_latency = sleep + wake-up latencies */ + u32 target_residency; + u8 valid; /* validates the C-state */ +}; + +#if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE) +extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params); +#else +static +inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params) +{ +} +#endif + +extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); +extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); + +extern u32 wakeup_timer_seconds; +extern u32 wakeup_timer_milliseconds; +extern struct omap_dm_timer *gptimer_wakeup; + +#ifdef CONFIG_PM_DEBUG +extern void omap2_pm_dump(int mode, int resume, unsigned int us); +extern void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds); +extern int omap2_pm_debug; +extern u32 enable_off_mode; +extern u32 sleep_while_idle; +#else +#define omap2_pm_dump(mode, resume, us) do {} while (0); +#define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0); +#define omap2_pm_debug 0 +#define enable_off_mode 0 +#define sleep_while_idle 0 +#endif + +#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) +extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); +extern int pm_dbg_regset_save(int reg_set); +extern int pm_dbg_regset_init(int reg_set); +#else +#define pm_dbg_update_time(pwrdm, prev) do {} while (0); +#define pm_dbg_regset_save(reg_set) do {} while (0); +#define pm_dbg_regset_init(reg_set) do {} while (0); +#endif /* CONFIG_PM_DEBUG */ + +extern void omap24xx_idle_loop_suspend(void); + +extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, + void __iomem *sdrc_power); +extern void omap34xx_cpu_suspend(u32 *addr, int save_state); +extern int save_secure_ram_context(u32 *addr); +extern void omap3_save_scratchpad_contents(void); + +extern unsigned int omap24xx_idle_loop_suspend_sz; +extern unsigned int save_secure_ram_context_sz; +extern unsigned int omap24xx_cpu_suspend_sz; +extern unsigned int omap34xx_cpu_suspend_sz; + +#define PM_RTA_ERRATUM_i608 (1 << 0) +#define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1) + +#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) +extern u16 pm34xx_errata; +#define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id)) +extern void enable_omap3630_toggle_l2_on_restore(void); +#else +#define IS_PM34XX_ERRATUM(id) 0 +static inline void enable_omap3630_toggle_l2_on_restore(void) { } +#endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */ + +#ifdef CONFIG_OMAP_SMARTREFLEX +extern int omap_devinit_smartreflex(void); +extern void omap_enable_smartreflex_on_init(void); +#else +static inline int omap_devinit_smartreflex(void) +{ + return -EINVAL; +} + +static inline void omap_enable_smartreflex_on_init(void) {} +#endif + +#ifdef CONFIG_TWL4030_CORE +extern int omap3_twl_init(void); +extern int omap4_twl_init(void); +extern int omap3_twl_set_sr_bit(bool enable); +#else +static inline int omap3_twl_init(void) +{ + return -EINVAL; +} +static inline int omap4_twl_init(void) +{ + return -EINVAL; +} +#endif + +#endif |