diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap2/pm.h')
| -rw-r--r-- | kernel/arch/arm/mach-omap2/pm.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap2/pm.h b/kernel/arch/arm/mach-omap2/pm.h new file mode 100644 index 000000000..425bfcd67 --- /dev/null +++ b/kernel/arch/arm/mach-omap2/pm.h @@ -0,0 +1,157 @@ +/* + * 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" + +#ifdef CONFIG_CPU_IDLE +extern int __init omap3_idle_init(void); +extern int __init omap4_idle_init(void); +#else +static inline int omap3_idle_init(void) +{ + return 0; +} + +static inline int omap4_idle_init(void) +{ + return 0; +} +#endif + +extern void *omap3_secure_ram_storage; +extern void omap3_pm_off_mode_enable(int); +extern void omap_sram_idle(void); +extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused); + +#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 + +extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); +extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); + +#ifdef CONFIG_PM_DEBUG +extern u32 enable_off_mode; +#else +#define enable_off_mode 0 +#endif + +#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) +extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); +#else +#define pm_dbg_update_time(pwrdm, prev) do {} while (0); +#endif /* CONFIG_PM_DEBUG */ + +/* 24xx */ +extern void omap24xx_idle_loop_suspend(void); +extern unsigned int omap24xx_idle_loop_suspend_sz; + +extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, + void __iomem *sdrc_power); +extern unsigned int omap24xx_cpu_suspend_sz; + +/* 3xxx */ +extern void omap34xx_cpu_suspend(int save_state); + +/* omap3_do_wfi function pointer and size, for copy to SRAM */ +extern void omap3_do_wfi(void); +extern unsigned int omap3_do_wfi_sz; +/* ... and its pointer from SRAM after copy */ +extern void (*omap3_do_wfi_sram)(void); + +/* save_secure_ram_context function pointer and size, for copy to SRAM */ +extern int save_secure_ram_context(u32 *addr); +extern unsigned int save_secure_ram_context_sz; + +extern void omap3_save_scratchpad_contents(void); + +#define PM_RTA_ERRATUM_i608 (1 << 0) +#define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1) +#define PM_PER_MEMORIES_ERRATUM_i582 (1 << 2) + +#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) */ + +#define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD (1 << 0) +#define PM_OMAP4_CPU_OSWR_DISABLE (1 << 1) + +#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4) +extern u16 pm44xx_errata; +#define IS_PM44XX_ERRATUM(id) (pm44xx_errata & (id)) +#else +#define IS_PM44XX_ERRATUM(id) 0 +#endif + +#ifdef CONFIG_POWER_AVS_OMAP +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 + +#ifdef CONFIG_PM +extern void omap_pm_setup_oscillator(u32 tstart, u32 tshut); +extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut); +extern void omap_pm_setup_sr_i2c_pcb_length(u32 mm); +#else +static inline void omap_pm_setup_oscillator(u32 tstart, u32 tshut) { } +static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; } +static inline void omap_pm_setup_sr_i2c_pcb_length(u32 mm) { } +#endif + +#ifdef CONFIG_SUSPEND +void omap_common_suspend_init(void *pm_suspend); +#else +static inline void omap_common_suspend_init(void *pm_suspend) +{ +} +#endif /* CONFIG_SUSPEND */ +#endif |