157 lines
4.1 KiB
C
157 lines
4.1 KiB
C
/*
|
|
* 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)
|
|
|
|
#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
|