X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/ms2-kexec/blobdiff_plain/81799b4e51fac01194bbea1cbbe2c176554e505e..8eb83dc7c5741ddd510fa6bf4c6abde7ac8dc109:/pm.h?ds=sidebyside diff --git a/pm.h b/pm.h new file mode 100644 index 0000000..13f2068 --- /dev/null +++ b/pm.h @@ -0,0 +1,128 @@ +/* + * 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 + +extern u32 enable_off_mode; +extern u32 sleep_while_idle; +extern u32 voltage_off_while_idle; +extern unsigned int wakeup_timer_nseconds; +extern u32 enable_abb_mode; + +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 set_pwrdm_state(struct powerdomain *pwrdm, u32 state); +extern int omap3_idle_init(void); +extern void vfp_pm_save_context(void); + +extern void lock_scratchpad_sem(void); +extern void unlock_scratchpad_sem(void); + +struct prm_setup_vc { + u16 clksetup; + u16 voltsetup_time1; + u16 voltsetup_time2; + u16 voltoffset; + u16 voltsetup2; + +/* PRM_VC_CMD_VAL_0 specific bits */ + u16 vdd0_on; + u16 vdd0_onlp; + u16 vdd0_ret; + u16 vdd0_off; +/* PRM_VC_CMD_VAL_1 specific bits */ + u16 vdd1_on; + u16 vdd1_onlp; + u16 vdd1_ret; + u16 vdd1_off; + +/* Values for VDD registers */ + u32 i2c_slave_ra; + u32 vdd_vol_ra; + u32 vdd_cmd_ra; + u32 vdd_ch_conf; + u32 vdd_i2c_cfg; +}; + +struct cpuidle_params { + u8 valid; + u32 sleep_latency; + u32 wake_latency; + u32 threshold; +}; + +extern void omap3_pm_init_vc(struct prm_setup_vc *setup_vc); +#ifdef CONFIG_CPU_IDLE +extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params); +extern int omap3_bypass_cmd(u8 slave_addr, u8 reg_addr, u8 cmd); +#else +static inline void omap3_pm_init_cpuidle( + struct cpuidle_params *cpuidle_board_params) +{ +} +#endif + +extern int resource_set_opp_level(int res, u32 target_level, int flags); +extern int resource_access_opp_lock(int res, int delta); +#define resource_lock_opp(res) resource_access_opp_lock(res, 1) +#define resource_unlock_opp(res) resource_access_opp_lock(res, -1) +#define resource_get_opp_lock(res) resource_access_opp_lock(res, 0) + +#define OPP_IGNORE_LOCK 0x1 +#define OPP_IGNORE_NOTIFIER 0x2 + +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 struct omap_dm_timer *gptimer_wakeup; + +#ifdef CONFIG_PM_DEBUG +extern void omap2_pm_dump(int mode, int resume, unsigned int us); +extern int omap2_pm_debug; +#else +#define omap2_pm_dump(mode, resume, us) do {} while (0); +#define omap2_pm_debug 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); +extern void pm_dbg_show_core_regs(void); +extern void pm_dbg_show_wakeup_source(void); +#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); +#define pm_dbg_show_core_regs() do {} while (0); +#define pm_dbg_show_wakeup_source() 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 void save_secure_ram_context(u32 *addr); +extern void omap3_save_scratchpad_contents(void); + +extern unsigned int omap24xx_idle_loop_suspend_sz; +extern unsigned int omap34xx_suspend_sz; +extern unsigned int save_secure_ram_context_sz; +extern unsigned int omap24xx_cpu_suspend_sz; +extern unsigned int omap34xx_cpu_suspend_sz; + +#endif