Kevin Hilman | 8bd2294 | 2009-05-28 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 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 14 | #include <plat/powerdomain.h> |
Peter 'p2' De Schrijver | 331b93f | 2008-10-15 18:13:48 +0300 | [diff] [blame] | 15 | |
Kevin Hilman | c40552b | 2009-10-06 14:25:09 -0700 | [diff] [blame] | 16 | extern u32 enable_off_mode; |
| 17 | extern u32 sleep_while_idle; |
| 18 | |
Tero Kristo | 27d59a4 | 2008-10-13 13:15:00 +0300 | [diff] [blame] | 19 | extern void *omap3_secure_ram_storage; |
Kevin Hilman | c40552b | 2009-10-06 14:25:09 -0700 | [diff] [blame] | 20 | extern void omap3_pm_off_mode_enable(int); |
Rajendra Nayak | 99e6a4d | 2008-10-08 17:30:58 +0530 | [diff] [blame] | 21 | extern void omap_sram_idle(void); |
Rajendra Nayak | 20b0166 | 2008-10-08 17:31:22 +0530 | [diff] [blame] | 22 | extern int omap3_can_sleep(void); |
| 23 | extern int set_pwrdm_state(struct powerdomain *pwrdm, u32 state); |
Kalle Jokiniemi | 0343371 | 2008-09-26 11:04:20 +0300 | [diff] [blame] | 24 | extern int omap3_idle_init(void); |
Tero Kristo | 27d59a4 | 2008-10-13 13:15:00 +0300 | [diff] [blame] | 25 | |
Kevin Hilman | bb4de3d | 2009-12-15 16:37:18 -0800 | [diff] [blame] | 26 | struct cpuidle_params { |
Kalle Jokiniemi | 709731b | 2009-10-29 10:30:19 +0200 | [diff] [blame] | 27 | u8 valid; |
Kevin Hilman | bb4de3d | 2009-12-15 16:37:18 -0800 | [diff] [blame] | 28 | u32 sleep_latency; |
| 29 | u32 wake_latency; |
| 30 | u32 threshold; |
| 31 | }; |
| 32 | |
| 33 | #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE) |
| 34 | extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params); |
| 35 | #else |
| 36 | static |
| 37 | inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params) |
| 38 | { |
| 39 | } |
| 40 | #endif |
| 41 | |
Tero Kristo | 68d4778 | 2008-11-26 12:26:24 +0200 | [diff] [blame] | 42 | extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); |
| 43 | extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); |
| 44 | |
Kevin Hilman | d7814e4 | 2009-10-06 14:30:23 -0700 | [diff] [blame] | 45 | extern u32 wakeup_timer_seconds; |
Ari Kauppi | 8e2efde | 2010-03-23 09:04:59 +0200 | [diff] [blame] | 46 | extern u32 wakeup_timer_milliseconds; |
Kevin Hilman | d7814e4 | 2009-10-06 14:30:23 -0700 | [diff] [blame] | 47 | extern struct omap_dm_timer *gptimer_wakeup; |
| 48 | |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 49 | #ifdef CONFIG_PM_DEBUG |
| 50 | extern void omap2_pm_dump(int mode, int resume, unsigned int us); |
| 51 | extern int omap2_pm_debug; |
Manjunatha GK | ae559d8 | 2009-11-16 20:16:52 +0530 | [diff] [blame] | 52 | #else |
| 53 | #define omap2_pm_dump(mode, resume, us) do {} while (0); |
| 54 | #define omap2_pm_debug 0 |
| 55 | #endif |
| 56 | |
Sanjeev Premi | 6af83b3 | 2010-01-28 23:16:43 +0530 | [diff] [blame] | 57 | #if defined(CONFIG_CPU_IDLE) |
| 58 | extern void omap3_cpuidle_update_states(void); |
| 59 | #endif |
| 60 | |
Manjunatha GK | ae559d8 | 2009-11-16 20:16:52 +0530 | [diff] [blame] | 61 | #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) |
Peter 'p2' De Schrijver | 331b93f | 2008-10-15 18:13:48 +0300 | [diff] [blame] | 62 | extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); |
Tero Kristo | 2811d6b | 2008-10-29 13:31:24 +0200 | [diff] [blame] | 63 | extern int pm_dbg_regset_save(int reg_set); |
| 64 | extern int pm_dbg_regset_init(int reg_set); |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 65 | #else |
Peter 'p2' De Schrijver | 331b93f | 2008-10-15 18:13:48 +0300 | [diff] [blame] | 66 | #define pm_dbg_update_time(pwrdm, prev) do {} while (0); |
Tero Kristo | 2811d6b | 2008-10-29 13:31:24 +0200 | [diff] [blame] | 67 | #define pm_dbg_regset_save(reg_set) do {} while (0); |
| 68 | #define pm_dbg_regset_init(reg_set) do {} while (0); |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 69 | #endif /* CONFIG_PM_DEBUG */ |
| 70 | |
| 71 | extern void omap24xx_idle_loop_suspend(void); |
| 72 | |
| 73 | extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, |
| 74 | void __iomem *sdrc_power); |
| 75 | extern void omap34xx_cpu_suspend(u32 *addr, int save_state); |
| 76 | extern void save_secure_ram_context(u32 *addr); |
Tero Kristo | 27d59a4 | 2008-10-13 13:15:00 +0300 | [diff] [blame] | 77 | extern void omap3_save_scratchpad_contents(void); |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 78 | |
| 79 | extern unsigned int omap24xx_idle_loop_suspend_sz; |
| 80 | extern unsigned int omap34xx_suspend_sz; |
| 81 | extern unsigned int save_secure_ram_context_sz; |
| 82 | extern unsigned int omap24xx_cpu_suspend_sz; |
| 83 | extern unsigned int omap34xx_cpu_suspend_sz; |
| 84 | |
| 85 | #endif |