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 | |
Thara Gopinath | 0c0a5d6 | 2010-05-29 22:02:23 +0530 | [diff] [blame] | 14 | #include <linux/err.h> |
| 15 | |
Paul Walmsley | 72e06d0 | 2010-12-21 21:05:16 -0700 | [diff] [blame] | 16 | #include "powerdomain.h" |
Peter 'p2' De Schrijver | 331b93f | 2008-10-15 18:13:48 +0300 | [diff] [blame] | 17 | |
Tero Kristo | 27d59a4 | 2008-10-13 13:15:00 +0300 | [diff] [blame] | 18 | extern void *omap3_secure_ram_storage; |
Kevin Hilman | c40552b | 2009-10-06 14:25:09 -0700 | [diff] [blame] | 19 | extern void omap3_pm_off_mode_enable(int); |
Rajendra Nayak | 99e6a4d | 2008-10-08 17:30:58 +0530 | [diff] [blame] | 20 | extern void omap_sram_idle(void); |
Rajendra Nayak | 20b0166 | 2008-10-08 17:31:22 +0530 | [diff] [blame] | 21 | extern int omap3_can_sleep(void); |
Santosh Shilimkar | eb6a2c7 | 2010-09-15 01:04:01 +0530 | [diff] [blame] | 22 | extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state); |
Kalle Jokiniemi | 0343371 | 2008-09-26 11:04:20 +0300 | [diff] [blame] | 23 | extern int omap3_idle_init(void); |
Santosh Shilimkar | 9827266 | 2011-08-16 17:31:40 +0530 | [diff] [blame] | 24 | extern int omap4_idle_init(void); |
Tero Kristo | 27d59a4 | 2008-10-13 13:15:00 +0300 | [diff] [blame] | 25 | |
Nishanth Menon | fd1478c | 2010-12-09 09:13:46 -0600 | [diff] [blame] | 26 | #if defined(CONFIG_PM_OPP) |
| 27 | extern int omap3_opp_init(void); |
Nishanth Menon | f5a6422 | 2010-12-09 09:13:47 -0600 | [diff] [blame] | 28 | extern int omap4_opp_init(void); |
Nishanth Menon | fd1478c | 2010-12-09 09:13:46 -0600 | [diff] [blame] | 29 | #else |
| 30 | static inline int omap3_opp_init(void) |
| 31 | { |
| 32 | return -EINVAL; |
| 33 | } |
Nishanth Menon | f5a6422 | 2010-12-09 09:13:47 -0600 | [diff] [blame] | 34 | static inline int omap4_opp_init(void) |
| 35 | { |
| 36 | return -EINVAL; |
| 37 | } |
Nishanth Menon | fd1478c | 2010-12-09 09:13:46 -0600 | [diff] [blame] | 38 | #endif |
| 39 | |
Jean Pihet | 866ba0e | 2011-05-09 12:02:13 +0200 | [diff] [blame] | 40 | /* |
| 41 | * cpuidle mach specific parameters |
| 42 | * |
| 43 | * The board code can override the default C-states definition using |
| 44 | * omap3_pm_init_cpuidle |
| 45 | */ |
Kevin Hilman | bb4de3d | 2009-12-15 16:37:18 -0800 | [diff] [blame] | 46 | struct cpuidle_params { |
Jean Pihet | 866ba0e | 2011-05-09 12:02:13 +0200 | [diff] [blame] | 47 | u32 exit_latency; /* exit_latency = sleep + wake-up latencies */ |
| 48 | u32 target_residency; |
| 49 | u8 valid; /* validates the C-state */ |
Kevin Hilman | bb4de3d | 2009-12-15 16:37:18 -0800 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE) |
| 53 | extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params); |
| 54 | #else |
| 55 | static |
| 56 | inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params) |
| 57 | { |
| 58 | } |
| 59 | #endif |
| 60 | |
Tero Kristo | 68d4778 | 2008-11-26 12:26:24 +0200 | [diff] [blame] | 61 | extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); |
| 62 | extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); |
| 63 | |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 64 | #ifdef CONFIG_PM_DEBUG |
Loïc Minier | ebfa88c | 2010-09-27 23:04:20 +0200 | [diff] [blame] | 65 | extern u32 enable_off_mode; |
Manjunatha GK | ae559d8 | 2009-11-16 20:16:52 +0530 | [diff] [blame] | 66 | #else |
Loïc Minier | ebfa88c | 2010-09-27 23:04:20 +0200 | [diff] [blame] | 67 | #define enable_off_mode 0 |
Manjunatha GK | ae559d8 | 2009-11-16 20:16:52 +0530 | [diff] [blame] | 68 | #endif |
| 69 | |
| 70 | #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) |
Peter 'p2' De Schrijver | 331b93f | 2008-10-15 18:13:48 +0300 | [diff] [blame] | 71 | extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 72 | #else |
Peter 'p2' De Schrijver | 331b93f | 2008-10-15 18:13:48 +0300 | [diff] [blame] | 73 | #define pm_dbg_update_time(pwrdm, prev) do {} while (0); |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 74 | #endif /* CONFIG_PM_DEBUG */ |
| 75 | |
Jean Pihet | 46e130d | 2011-06-29 18:40:23 +0200 | [diff] [blame] | 76 | /* 24xx */ |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 77 | extern void omap24xx_idle_loop_suspend(void); |
Jean Pihet | 46e130d | 2011-06-29 18:40:23 +0200 | [diff] [blame] | 78 | extern unsigned int omap24xx_idle_loop_suspend_sz; |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 79 | |
| 80 | extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, |
| 81 | void __iomem *sdrc_power); |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 82 | extern unsigned int omap24xx_cpu_suspend_sz; |
Jean Pihet | 46e130d | 2011-06-29 18:40:23 +0200 | [diff] [blame] | 83 | |
| 84 | /* 3xxx */ |
Russell King | cbe2634 | 2011-06-30 08:45:49 +0100 | [diff] [blame] | 85 | extern void omap34xx_cpu_suspend(int save_state); |
Jean Pihet | 46e130d | 2011-06-29 18:40:23 +0200 | [diff] [blame] | 86 | |
| 87 | /* omap3_do_wfi function pointer and size, for copy to SRAM */ |
| 88 | extern void omap3_do_wfi(void); |
| 89 | extern unsigned int omap3_do_wfi_sz; |
| 90 | /* ... and its pointer from SRAM after copy */ |
| 91 | extern void (*omap3_do_wfi_sram)(void); |
| 92 | |
| 93 | /* save_secure_ram_context function pointer and size, for copy to SRAM */ |
| 94 | extern int save_secure_ram_context(u32 *addr); |
| 95 | extern unsigned int save_secure_ram_context_sz; |
| 96 | |
| 97 | extern void omap3_save_scratchpad_contents(void); |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 98 | |
Nishanth Menon | 458e999 | 2010-12-20 14:05:06 -0600 | [diff] [blame] | 99 | #define PM_RTA_ERRATUM_i608 (1 << 0) |
Eduardo Valentin | cc1b602 | 2010-12-20 14:05:09 -0600 | [diff] [blame] | 100 | #define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1) |
Nishanth Menon | 458e999 | 2010-12-20 14:05:06 -0600 | [diff] [blame] | 101 | |
Nishanth Menon | 8cdfd83 | 2010-12-20 14:05:05 -0600 | [diff] [blame] | 102 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) |
| 103 | extern u16 pm34xx_errata; |
| 104 | #define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id)) |
Peter 'p2' De Schrijver | c4236d2 | 2010-12-20 14:05:07 -0600 | [diff] [blame] | 105 | extern void enable_omap3630_toggle_l2_on_restore(void); |
Nishanth Menon | 8cdfd83 | 2010-12-20 14:05:05 -0600 | [diff] [blame] | 106 | #else |
| 107 | #define IS_PM34XX_ERRATUM(id) 0 |
Peter 'p2' De Schrijver | c4236d2 | 2010-12-20 14:05:07 -0600 | [diff] [blame] | 108 | static inline void enable_omap3630_toggle_l2_on_restore(void) { } |
Nishanth Menon | 8cdfd83 | 2010-12-20 14:05:05 -0600 | [diff] [blame] | 109 | #endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */ |
| 110 | |
Thara Gopinath | 0c0a5d6 | 2010-05-29 22:02:23 +0530 | [diff] [blame] | 111 | #ifdef CONFIG_OMAP_SMARTREFLEX |
| 112 | extern int omap_devinit_smartreflex(void); |
| 113 | extern void omap_enable_smartreflex_on_init(void); |
| 114 | #else |
| 115 | static inline int omap_devinit_smartreflex(void) |
| 116 | { |
| 117 | return -EINVAL; |
| 118 | } |
| 119 | |
| 120 | static inline void omap_enable_smartreflex_on_init(void) {} |
| 121 | #endif |
| 122 | |
Thara Gopinath | fbc319f | 2010-12-10 22:51:05 +0530 | [diff] [blame] | 123 | #ifdef CONFIG_TWL4030_CORE |
| 124 | extern int omap3_twl_init(void); |
Thara Gopinath | 7bc3ed9 | 2010-12-10 23:15:16 +0530 | [diff] [blame] | 125 | extern int omap4_twl_init(void); |
Thara Gopinath | 4071318 | 2011-02-15 13:28:58 +0530 | [diff] [blame] | 126 | extern int omap3_twl_set_sr_bit(bool enable); |
Thara Gopinath | fbc319f | 2010-12-10 22:51:05 +0530 | [diff] [blame] | 127 | #else |
| 128 | static inline int omap3_twl_init(void) |
| 129 | { |
| 130 | return -EINVAL; |
| 131 | } |
Thara Gopinath | 7bc3ed9 | 2010-12-10 23:15:16 +0530 | [diff] [blame] | 132 | static inline int omap4_twl_init(void) |
| 133 | { |
| 134 | return -EINVAL; |
| 135 | } |
Thara Gopinath | fbc319f | 2010-12-10 22:51:05 +0530 | [diff] [blame] | 136 | #endif |
| 137 | |
Kevin Hilman | 8bd2294 | 2009-05-28 10:56:16 -0700 | [diff] [blame] | 138 | #endif |