2 * OMAP2/3 Power Management Routines
4 * Copyright (C) 2008 Nokia Corporation
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.
11 #ifndef __ARCH_ARM_MACH_OMAP2_PM_H
12 #define __ARCH_ARM_MACH_OMAP2_PM_H
14 #include <linux/err.h>
16 #include "powerdomain.h"
18 extern void *omap3_secure_ram_storage
;
19 extern void omap3_pm_off_mode_enable(int);
20 extern void omap_sram_idle(void);
21 extern int omap3_can_sleep(void);
22 extern int omap_set_pwrdm_state(struct powerdomain
*pwrdm
, u32 state
);
23 extern int omap3_idle_init(void);
25 #if defined(CONFIG_PM_OPP)
26 extern int omap3_opp_init(void);
27 extern int omap4_opp_init(void);
29 static inline int omap3_opp_init(void)
33 static inline int omap4_opp_init(void)
40 * cpuidle mach specific parameters
42 * The board code can override the default C-states definition using
43 * omap3_pm_init_cpuidle
45 struct cpuidle_params
{
46 u32 exit_latency
; /* exit_latency = sleep + wake-up latencies */
48 u8 valid
; /* validates the C-state */
51 #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE)
52 extern void omap3_pm_init_cpuidle(struct cpuidle_params
*cpuidle_board_params
);
55 inline void omap3_pm_init_cpuidle(struct cpuidle_params
*cpuidle_board_params
)
60 extern int omap3_pm_get_suspend_state(struct powerdomain
*pwrdm
);
61 extern int omap3_pm_set_suspend_state(struct powerdomain
*pwrdm
, int state
);
63 extern u32 wakeup_timer_seconds
;
64 extern u32 wakeup_timer_milliseconds
;
65 extern struct omap_dm_timer
*gptimer_wakeup
;
67 #ifdef CONFIG_PM_DEBUG
68 extern void omap2_pm_wakeup_on_timer(u32 seconds
, u32 milliseconds
);
69 extern u32 enable_off_mode
;
71 #define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0);
72 #define enable_off_mode 0
75 #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
76 extern void pm_dbg_update_time(struct powerdomain
*pwrdm
, int prev
);
78 #define pm_dbg_update_time(pwrdm, prev) do {} while (0);
79 #endif /* CONFIG_PM_DEBUG */
81 extern void omap24xx_idle_loop_suspend(void);
83 extern void omap24xx_cpu_suspend(u32 dll_ctrl
, void __iomem
*sdrc_dlla_ctrl
,
84 void __iomem
*sdrc_power
);
85 extern void omap34xx_cpu_suspend(u32
*addr
, int save_state
);
86 extern int save_secure_ram_context(u32
*addr
);
87 extern void omap3_save_scratchpad_contents(void);
89 extern unsigned int omap24xx_idle_loop_suspend_sz
;
90 extern unsigned int save_secure_ram_context_sz
;
91 extern unsigned int omap24xx_cpu_suspend_sz
;
92 extern unsigned int omap34xx_cpu_suspend_sz
;
94 #define PM_RTA_ERRATUM_i608 (1 << 0)
95 #define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1)
97 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
98 extern u16 pm34xx_errata
;
99 #define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id))
100 extern void enable_omap3630_toggle_l2_on_restore(void);
102 #define IS_PM34XX_ERRATUM(id) 0
103 static inline void enable_omap3630_toggle_l2_on_restore(void) { }
104 #endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
106 #ifdef CONFIG_OMAP_SMARTREFLEX
107 extern int omap_devinit_smartreflex(void);
108 extern void omap_enable_smartreflex_on_init(void);
110 static inline int omap_devinit_smartreflex(void)
115 static inline void omap_enable_smartreflex_on_init(void) {}
118 #ifdef CONFIG_TWL4030_CORE
119 extern int omap3_twl_init(void);
120 extern int omap4_twl_init(void);
121 extern int omap3_twl_set_sr_bit(bool enable
);
123 static inline int omap3_twl_init(void)
127 static inline int omap4_twl_init(void)