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gerrit-public.fairphone.software / kernel / msm-4.9 / 7bc3ed9ae632b9c94d3721d555d3452e24ca8ee3 / . / arch / arm / mach-omap2 / pm.h
blob: 1c1b0ab5b97877695b00a71506d97850a679a410 [file] [log] [blame]
Kevin Hilman8bd22942009-05-28 10:56:16 -0700[diff] [blame]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
Thara Gopinath0c0a5d62010-05-29 22:02:23 +0530[diff] [blame]14#include <linux/err.h>
15
Paul Walmsley72e06d02010-12-21 21:05:16 -0700[diff] [blame]16#include "powerdomain.h"
Peter 'p2' De Schrijver331b93f2008-10-15 18:13:48 +0300[diff] [blame]17
Tero Kristo27d59a42008-10-13 13:15:00 +0300[diff] [blame]18extern void *omap3_secure_ram_storage;
Kevin Hilmanc40552b2009-10-06 14:25:09 -0700[diff] [blame]19extern void omap3_pm_off_mode_enable(int);
Rajendra Nayak99e6a4d2008-10-08 17:30:58 +0530[diff] [blame]20extern void omap_sram_idle(void);
Rajendra Nayak20b01662008-10-08 17:31:22 +0530[diff] [blame]21extern int omap3_can_sleep(void);
Santosh Shilimkareb6a2c72010-09-15 01:04:01 +0530[diff] [blame]22extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
Kalle Jokiniemi03433712008-09-26 11:04:20 +0300[diff] [blame]23extern int omap3_idle_init(void);
Tero Kristo27d59a42008-10-13 13:15:00 +0300[diff] [blame]24
Nishanth Menonfd1478c2010-12-09 09:13:46 -0600[diff] [blame]25#if defined(CONFIG_PM_OPP)
26extern int omap3_opp_init(void);
Nishanth Menonf5a64222010-12-09 09:13:47 -0600[diff] [blame]27extern int omap4_opp_init(void);
Nishanth Menonfd1478c2010-12-09 09:13:46 -0600[diff] [blame]28#else
29static inline int omap3_opp_init(void)
30{
31 return -EINVAL;
32}
Nishanth Menonf5a64222010-12-09 09:13:47 -0600[diff] [blame]33static inline int omap4_opp_init(void)
34{
35 return -EINVAL;
36}
Nishanth Menonfd1478c2010-12-09 09:13:46 -0600[diff] [blame]37#endif
38
Kevin Hilmanbb4de3d2009-12-15 16:37:18 -0800[diff] [blame]39struct cpuidle_params {
Kalle Jokiniemi709731b2009-10-29 10:30:19 +0200[diff] [blame]40 u8 valid;
Kevin Hilmanbb4de3d2009-12-15 16:37:18 -0800[diff] [blame]41 u32 sleep_latency;
42 u32 wake_latency;
43 u32 threshold;
44};
45
46#if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE)
47extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params);
48#else
49static
50inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params)
51{
52}
53#endif
54
Tero Kristo68d47782008-11-26 12:26:24 +0200[diff] [blame]55extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
56extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
57
Kevin Hilmand7814e42009-10-06 14:30:23 -0700[diff] [blame]58extern u32 wakeup_timer_seconds;
Ari Kauppi8e2efde2010-03-23 09:04:59 +0200[diff] [blame]59extern u32 wakeup_timer_milliseconds;
Kevin Hilmand7814e42009-10-06 14:30:23 -0700[diff] [blame]60extern struct omap_dm_timer *gptimer_wakeup;
61
Kevin Hilman8bd22942009-05-28 10:56:16 -0700[diff] [blame]62#ifdef CONFIG_PM_DEBUG
63extern void omap2_pm_dump(int mode, int resume, unsigned int us);
Santosh Shilimkar86b0c1e2010-09-15 01:03:59 +0530[diff] [blame]64extern void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds);
Kevin Hilman8bd22942009-05-28 10:56:16 -0700[diff] [blame]65extern int omap2_pm_debug;
Loïc Minierebfa88c2010-09-27 23:04:20 +0200[diff] [blame]66extern u32 enable_off_mode;
67extern u32 sleep_while_idle;
Manjunatha GKae559d82009-11-16 20:16:52 +0530[diff] [blame]68#else
69#define omap2_pm_dump(mode, resume, us) do {} while (0);
Santosh Shilimkar86b0c1e2010-09-15 01:03:59 +0530[diff] [blame]70#define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0);
Manjunatha GKae559d82009-11-16 20:16:52 +0530[diff] [blame]71#define omap2_pm_debug 0
Loïc Minierebfa88c2010-09-27 23:04:20 +0200[diff] [blame]72#define enable_off_mode 0
73#define sleep_while_idle 0
Manjunatha GKae559d82009-11-16 20:16:52 +0530[diff] [blame]74#endif
75
Sanjeev Premi6af83b32010-01-28 23:16:43 +0530[diff] [blame]76#if defined(CONFIG_CPU_IDLE)
Nishanth Menon80723c32010-12-20 14:05:08 -0600[diff] [blame]77extern void omap3_cpuidle_update_states(u32, u32);
Sanjeev Premi6af83b32010-01-28 23:16:43 +0530[diff] [blame]78#endif
79
Manjunatha GKae559d82009-11-16 20:16:52 +0530[diff] [blame]80#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
Peter 'p2' De Schrijver331b93f2008-10-15 18:13:48 +0300[diff] [blame]81extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
Tero Kristo2811d6b2008-10-29 13:31:24 +0200[diff] [blame]82extern int pm_dbg_regset_save(int reg_set);
83extern int pm_dbg_regset_init(int reg_set);
Kevin Hilman8bd22942009-05-28 10:56:16 -0700[diff] [blame]84#else
Peter 'p2' De Schrijver331b93f2008-10-15 18:13:48 +0300[diff] [blame]85#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
Tero Kristo2811d6b2008-10-29 13:31:24 +0200[diff] [blame]86#define pm_dbg_regset_save(reg_set) do {} while (0);
87#define pm_dbg_regset_init(reg_set) do {} while (0);
Kevin Hilman8bd22942009-05-28 10:56:16 -0700[diff] [blame]88#endif /* CONFIG_PM_DEBUG */
89
90extern void omap24xx_idle_loop_suspend(void);
91
92extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
93 void __iomem *sdrc_power);
94extern void omap34xx_cpu_suspend(u32 *addr, int save_state);
95extern void save_secure_ram_context(u32 *addr);
Tero Kristo27d59a42008-10-13 13:15:00 +0300[diff] [blame]96extern void omap3_save_scratchpad_contents(void);
Kevin Hilman8bd22942009-05-28 10:56:16 -0700[diff] [blame]97
98extern unsigned int omap24xx_idle_loop_suspend_sz;
Kevin Hilman8bd22942009-05-28 10:56:16 -0700[diff] [blame]99extern unsigned int save_secure_ram_context_sz;
100extern unsigned int omap24xx_cpu_suspend_sz;
101extern unsigned int omap34xx_cpu_suspend_sz;
102
Nishanth Menon458e9992010-12-20 14:05:06 -0600[diff] [blame]103#define PM_RTA_ERRATUM_i608 (1 << 0)
Eduardo Valentincc1b6022010-12-20 14:05:09 -0600[diff] [blame]104#define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1)
Nishanth Menon458e9992010-12-20 14:05:06 -0600[diff] [blame]105
Nishanth Menon8cdfd832010-12-20 14:05:05 -0600[diff] [blame]106#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
107extern u16 pm34xx_errata;
108#define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id))
Peter 'p2' De Schrijverc4236d22010-12-20 14:05:07 -0600[diff] [blame]109extern void enable_omap3630_toggle_l2_on_restore(void);
Nishanth Menon8cdfd832010-12-20 14:05:05 -0600[diff] [blame]110#else
111#define IS_PM34XX_ERRATUM(id) 0
Peter 'p2' De Schrijverc4236d22010-12-20 14:05:07 -0600[diff] [blame]112static inline void enable_omap3630_toggle_l2_on_restore(void) { }
Nishanth Menon8cdfd832010-12-20 14:05:05 -0600[diff] [blame]113#endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
114
Thara Gopinath0c0a5d62010-05-29 22:02:23 +0530[diff] [blame]115#ifdef CONFIG_OMAP_SMARTREFLEX
116extern int omap_devinit_smartreflex(void);
117extern void omap_enable_smartreflex_on_init(void);
118#else
119static inline int omap_devinit_smartreflex(void)
120{
121 return -EINVAL;
122}
123
124static inline void omap_enable_smartreflex_on_init(void) {}
125#endif
126
Thara Gopinathfbc319f2010-12-10 22:51:05 +0530[diff] [blame]127#ifdef CONFIG_TWL4030_CORE
128extern int omap3_twl_init(void);
Thara Gopinath7bc3ed92010-12-10 23:15:16 +0530[diff] [blame^]129extern int omap4_twl_init(void);
Thara Gopinathfbc319f2010-12-10 22:51:05 +0530[diff] [blame]130#else
131static inline int omap3_twl_init(void)
132{
133 return -EINVAL;
134}
Thara Gopinath7bc3ed92010-12-10 23:15:16 +0530[diff] [blame^]135static inline int omap4_twl_init(void)
136{
137 return -EINVAL;
138}
Thara Gopinathfbc319f2010-12-10 22:51:05 +0530[diff] [blame]139#endif
140
Kevin Hilman8bd22942009-05-28 10:56:16 -0700[diff] [blame]141#endif