summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/pm.h
blob: 78564895e9144c327420034d5a4f3f6c9b3f44b8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
/*
 * OMAP2/3 Power Management Routines
 *
 * Copyright (C) 2008 Nokia Corporation
 * Jouni Hogander
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __ARCH_ARM_MACH_OMAP2_PM_H
#define __ARCH_ARM_MACH_OMAP2_PM_H

#include <linux/err.h>

#include "powerdomain.h"

extern void *omap3_secure_ram_storage;
extern void omap3_pm_off_mode_enable(int);
extern void omap_sram_idle(void);
extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
extern int omap3_idle_init(void);
extern int omap4_idle_init(void);
extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused);
extern int (*omap_pm_suspend)(void);

#if defined(CONFIG_PM_OPP)
extern int omap3_opp_init(void);
extern int omap4_opp_init(void);
#else
static inline int omap3_opp_init(void)
{
	return -EINVAL;
}
static inline int omap4_opp_init(void)
{
	return -EINVAL;
}
#endif

extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);

#ifdef CONFIG_PM_DEBUG
extern u32 enable_off_mode;
#else
#define enable_off_mode 0
#endif

#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
#else
#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
#endif /* CONFIG_PM_DEBUG */

/* 24xx */
extern void omap24xx_idle_loop_suspend(void);
extern unsigned int omap24xx_idle_loop_suspend_sz;

extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
					void __iomem *sdrc_power);
extern unsigned int omap24xx_cpu_suspend_sz;

/* 3xxx */
extern void omap34xx_cpu_suspend(int save_state);

/* omap3_do_wfi function pointer and size, for copy to SRAM */
extern void omap3_do_wfi(void);
extern unsigned int omap3_do_wfi_sz;
/* ... and its pointer from SRAM after copy */
extern void (*omap3_do_wfi_sram)(void);

/* save_secure_ram_context function pointer and size, for copy to SRAM */
extern int save_secure_ram_context(u32 *addr);
extern unsigned int save_secure_ram_context_sz;

extern void omap3_save_scratchpad_contents(void);

#define PM_RTA_ERRATUM_i608		(1 << 0)
#define PM_SDRC_WAKEUP_ERRATUM_i583	(1 << 1)

#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
extern u16 pm34xx_errata;
#define IS_PM34XX_ERRATUM(id)		(pm34xx_errata & (id))
extern void enable_omap3630_toggle_l2_on_restore(void);
#else
#define IS_PM34XX_ERRATUM(id)		0
static inline void enable_omap3630_toggle_l2_on_restore(void) { }
#endif		/* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */

#ifdef CONFIG_OMAP_SMARTREFLEX
extern int omap_devinit_smartreflex(void);
extern void omap_enable_smartreflex_on_init(void);
#else
static inline int omap_devinit_smartreflex(void)
{
	return -EINVAL;
}

static inline void omap_enable_smartreflex_on_init(void) {}
#endif

#ifdef CONFIG_TWL4030_CORE
extern int omap3_twl_init(void);
extern int omap4_twl_init(void);
extern int omap3_twl_set_sr_bit(bool enable);
#else
static inline int omap3_twl_init(void)
{
	return -EINVAL;
}
static inline int omap4_twl_init(void)
{
	return -EINVAL;
}
#endif

#endif