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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 | ||
14 | #include <plat/powerdomain.h> | |
15 | ||
16 | extern u32 enable_off_mode; | |
17 | extern u32 sleep_while_idle; | |
18 | extern u32 voltage_off_while_idle; | |
19 | extern unsigned int wakeup_timer_nseconds; | |
20 | extern u32 enable_abb_mode; | |
21 | ||
22 | extern void *omap3_secure_ram_storage; | |
23 | extern void omap3_pm_off_mode_enable(int); | |
24 | extern void omap_sram_idle(void); | |
25 | extern int omap3_can_sleep(void); | |
26 | extern int set_pwrdm_state(struct powerdomain *pwrdm, u32 state); | |
27 | extern int omap3_idle_init(void); | |
28 | extern void vfp_pm_save_context(void); | |
29 | ||
30 | extern void lock_scratchpad_sem(void); | |
31 | extern void unlock_scratchpad_sem(void); | |
32 | ||
33 | struct prm_setup_vc { | |
34 | u16 clksetup; | |
35 | u16 voltsetup_time1; | |
36 | u16 voltsetup_time2; | |
37 | u16 voltoffset; | |
38 | u16 voltsetup2; | |
39 | ||
40 | /* PRM_VC_CMD_VAL_0 specific bits */ | |
41 | u16 vdd0_on; | |
42 | u16 vdd0_onlp; | |
43 | u16 vdd0_ret; | |
44 | u16 vdd0_off; | |
45 | /* PRM_VC_CMD_VAL_1 specific bits */ | |
46 | u16 vdd1_on; | |
47 | u16 vdd1_onlp; | |
48 | u16 vdd1_ret; | |
49 | u16 vdd1_off; | |
50 | ||
51 | /* Values for VDD registers */ | |
52 | u32 i2c_slave_ra; | |
53 | u32 vdd_vol_ra; | |
54 | u32 vdd_cmd_ra; | |
55 | u32 vdd_ch_conf; | |
56 | u32 vdd_i2c_cfg; | |
57 | }; | |
58 | ||
59 | struct cpuidle_params { | |
60 | u8 valid; | |
61 | u32 sleep_latency; | |
62 | u32 wake_latency; | |
63 | u32 threshold; | |
64 | }; | |
65 | ||
66 | extern void omap3_pm_init_vc(struct prm_setup_vc *setup_vc); | |
67 | #ifdef CONFIG_CPU_IDLE | |
68 | extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params); | |
69 | extern int omap3_bypass_cmd(u8 slave_addr, u8 reg_addr, u8 cmd); | |
70 | #else | |
71 | static inline void omap3_pm_init_cpuidle( | |
72 | struct cpuidle_params *cpuidle_board_params) | |
73 | { | |
74 | } | |
75 | #endif | |
76 | ||
77 | extern int resource_set_opp_level(int res, u32 target_level, int flags); | |
78 | extern int resource_access_opp_lock(int res, int delta); | |
79 | #define resource_lock_opp(res) resource_access_opp_lock(res, 1) | |
80 | #define resource_unlock_opp(res) resource_access_opp_lock(res, -1) | |
81 | #define resource_get_opp_lock(res) resource_access_opp_lock(res, 0) | |
82 | ||
83 | #define OPP_IGNORE_LOCK 0x1 | |
84 | #define OPP_IGNORE_NOTIFIER 0x2 | |
85 | ||
86 | extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); | |
87 | extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); | |
88 | ||
89 | extern u32 wakeup_timer_seconds; | |
90 | extern struct omap_dm_timer *gptimer_wakeup; | |
91 | ||
92 | #ifdef CONFIG_PM_DEBUG | |
93 | extern void omap2_pm_dump(int mode, int resume, unsigned int us); | |
94 | extern int omap2_pm_debug; | |
95 | #else | |
96 | #define omap2_pm_dump(mode, resume, us) do {} while (0); | |
97 | #define omap2_pm_debug 0 | |
98 | #endif | |
99 | ||
100 | #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) | |
101 | extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); | |
102 | extern int pm_dbg_regset_save(int reg_set); | |
103 | extern int pm_dbg_regset_init(int reg_set); | |
104 | extern void pm_dbg_show_core_regs(void); | |
105 | extern void pm_dbg_show_wakeup_source(void); | |
106 | #else | |
107 | #define pm_dbg_update_time(pwrdm, prev) do {} while (0); | |
108 | #define pm_dbg_regset_save(reg_set) do {} while (0); | |
109 | #define pm_dbg_regset_init(reg_set) do {} while (0); | |
110 | #define pm_dbg_show_core_regs() do {} while (0); | |
111 | #define pm_dbg_show_wakeup_source() do {} while (0); | |
112 | #endif /* CONFIG_PM_DEBUG */ | |
113 | ||
114 | extern void omap24xx_idle_loop_suspend(void); | |
115 | ||
116 | extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, | |
117 | void __iomem *sdrc_power); | |
118 | extern void omap34xx_cpu_suspend(u32 *addr, int save_state); | |
119 | extern void save_secure_ram_context(u32 *addr); | |
120 | extern void omap3_save_scratchpad_contents(void); | |
121 | ||
122 | extern unsigned int omap24xx_idle_loop_suspend_sz; | |
123 | extern unsigned int omap34xx_suspend_sz; | |
124 | extern unsigned int save_secure_ram_context_sz; | |
125 | extern unsigned int omap24xx_cpu_suspend_sz; | |
126 | extern unsigned int omap34xx_cpu_suspend_sz; | |
127 | ||
128 | #endif |