Commit | Line | Data |
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8bd22949 KH |
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 | ||
0c0a5d61 TG |
14 | #include <linux/err.h> |
15 | ||
72e06d08 | 16 | #include "powerdomain.h" |
331b93f4 | 17 | |
164e0cbf DL |
18 | #ifdef CONFIG_CPU_IDLE |
19 | extern int __init omap3_idle_init(void); | |
20 | extern int __init omap4_idle_init(void); | |
21 | #else | |
22 | static inline int omap3_idle_init(void) | |
23 | { | |
24 | return 0; | |
25 | } | |
26 | ||
27 | static inline int omap4_idle_init(void) | |
28 | { | |
29 | return 0; | |
30 | } | |
31 | #endif | |
32 | ||
27d59a4a | 33 | extern void *omap3_secure_ram_storage; |
c40552bc | 34 | extern void omap3_pm_off_mode_enable(int); |
99e6a4d2 | 35 | extern void omap_sram_idle(void); |
92206fd2 | 36 | extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused); |
27d59a4a | 37 | |
fd1478cd NM |
38 | #if defined(CONFIG_PM_OPP) |
39 | extern int omap3_opp_init(void); | |
f5a6422d | 40 | extern int omap4_opp_init(void); |
fd1478cd NM |
41 | #else |
42 | static inline int omap3_opp_init(void) | |
43 | { | |
44 | return -EINVAL; | |
45 | } | |
f5a6422d NM |
46 | static inline int omap4_opp_init(void) |
47 | { | |
48 | return -EINVAL; | |
49 | } | |
fd1478cd NM |
50 | #endif |
51 | ||
68d4778c TK |
52 | extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); |
53 | extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); | |
54 | ||
8bd22949 | 55 | #ifdef CONFIG_PM_DEBUG |
ebfa88cf | 56 | extern u32 enable_off_mode; |
ae559d87 | 57 | #else |
ebfa88cf | 58 | #define enable_off_mode 0 |
ae559d87 MG |
59 | #endif |
60 | ||
61 | #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) | |
331b93f4 | 62 | extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); |
8bd22949 | 63 | #else |
331b93f4 | 64 | #define pm_dbg_update_time(pwrdm, prev) do {} while (0); |
8bd22949 KH |
65 | #endif /* CONFIG_PM_DEBUG */ |
66 | ||
46e130d2 | 67 | /* 24xx */ |
8bd22949 | 68 | extern void omap24xx_idle_loop_suspend(void); |
46e130d2 | 69 | extern unsigned int omap24xx_idle_loop_suspend_sz; |
8bd22949 KH |
70 | |
71 | extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, | |
72 | void __iomem *sdrc_power); | |
46e130d2 JP |
73 | extern unsigned int omap24xx_cpu_suspend_sz; |
74 | ||
75 | /* 3xxx */ | |
cbe26349 | 76 | extern void omap34xx_cpu_suspend(int save_state); |
8bd22949 | 77 | |
46e130d2 JP |
78 | /* omap3_do_wfi function pointer and size, for copy to SRAM */ |
79 | extern void omap3_do_wfi(void); | |
80 | extern unsigned int omap3_do_wfi_sz; | |
81 | /* ... and its pointer from SRAM after copy */ | |
82 | extern void (*omap3_do_wfi_sram)(void); | |
83 | ||
41d9d44d DG |
84 | extern struct am33xx_pm_sram_addr am33xx_pm_sram; |
85 | extern struct am33xx_pm_sram_addr am43xx_pm_sram; | |
86 | ||
46e130d2 | 87 | extern void omap3_save_scratchpad_contents(void); |
8bd22949 | 88 | |
458e999e | 89 | #define PM_RTA_ERRATUM_i608 (1 << 0) |
cc1b6028 | 90 | #define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1) |
856c3c5b | 91 | #define PM_PER_MEMORIES_ERRATUM_i582 (1 << 2) |
458e999e | 92 | |
8cdfd834 NM |
93 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) |
94 | extern u16 pm34xx_errata; | |
95 | #define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id)) | |
c4236d2e | 96 | extern void enable_omap3630_toggle_l2_on_restore(void); |
8cdfd834 NM |
97 | #else |
98 | #define IS_PM34XX_ERRATUM(id) 0 | |
c4236d2e | 99 | static inline void enable_omap3630_toggle_l2_on_restore(void) { } |
8cdfd834 NM |
100 | #endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */ |
101 | ||
ff999b8a | 102 | #define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD (1 << 0) |
6099dd37 | 103 | #define PM_OMAP4_CPU_OSWR_DISABLE (1 << 1) |
ff999b8a | 104 | |
6d785c96 NM |
105 | #if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) ||\ |
106 | defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)) | |
c9621844 TK |
107 | extern u16 pm44xx_errata; |
108 | #define IS_PM44XX_ERRATUM(id) (pm44xx_errata & (id)) | |
109 | #else | |
110 | #define IS_PM44XX_ERRATUM(id) 0 | |
111 | #endif | |
112 | ||
7fb149ff | 113 | #ifdef CONFIG_POWER_AVS_OMAP |
0c0a5d61 TG |
114 | extern int omap_devinit_smartreflex(void); |
115 | extern void omap_enable_smartreflex_on_init(void); | |
116 | #else | |
117 | static inline int omap_devinit_smartreflex(void) | |
118 | { | |
119 | return -EINVAL; | |
120 | } | |
121 | ||
122 | static inline void omap_enable_smartreflex_on_init(void) {} | |
123 | #endif | |
124 | ||
fbc319f6 TG |
125 | #ifdef CONFIG_TWL4030_CORE |
126 | extern int omap3_twl_init(void); | |
7bc3ed9a | 127 | extern int omap4_twl_init(void); |
40713189 | 128 | extern int omap3_twl_set_sr_bit(bool enable); |
fbc319f6 TG |
129 | #else |
130 | static inline int omap3_twl_init(void) | |
131 | { | |
132 | return -EINVAL; | |
133 | } | |
7bc3ed9a TG |
134 | static inline int omap4_twl_init(void) |
135 | { | |
136 | return -EINVAL; | |
137 | } | |
fbc319f6 TG |
138 | #endif |
139 | ||
908b75e8 TK |
140 | #ifdef CONFIG_PM |
141 | extern void omap_pm_setup_oscillator(u32 tstart, u32 tshut); | |
142 | extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut); | |
00bd228e | 143 | extern void omap_pm_setup_sr_i2c_pcb_length(u32 mm); |
908b75e8 TK |
144 | #else |
145 | static inline void omap_pm_setup_oscillator(u32 tstart, u32 tshut) { } | |
74d29168 | 146 | static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; } |
00bd228e | 147 | static inline void omap_pm_setup_sr_i2c_pcb_length(u32 mm) { } |
908b75e8 TK |
148 | #endif |
149 | ||
2e4b62dc DG |
150 | #ifdef CONFIG_SUSPEND |
151 | void omap_common_suspend_init(void *pm_suspend); | |
152 | #else | |
153 | static inline void omap_common_suspend_init(void *pm_suspend) | |
154 | { | |
155 | } | |
156 | #endif /* CONFIG_SUSPEND */ | |
8bd22949 | 157 | #endif |