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 omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
22 extern int omap3_idle_init(void);
23 extern int omap4_idle_init(void);
24 extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused);
25 extern int (*omap_pm_suspend)(void);
27 #if defined(CONFIG_PM_OPP)
28 extern int omap3_opp_init(void);
29 extern int omap4_opp_init(void);
31 static inline int omap3_opp_init(void)
35 static inline int omap4_opp_init(void)
41 extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
42 extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
44 #ifdef CONFIG_PM_DEBUG
45 extern u32 enable_off_mode;
47 #define enable_off_mode 0
50 #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
51 extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
53 #define pm_dbg_update_time(pwrdm, prev) do {} while (0);
54 #endif /* CONFIG_PM_DEBUG */
57 extern void omap24xx_idle_loop_suspend(void);
58 extern unsigned int omap24xx_idle_loop_suspend_sz;
60 extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
61 void __iomem *sdrc_power);
62 extern unsigned int omap24xx_cpu_suspend_sz;
65 extern void omap34xx_cpu_suspend(int save_state);
67 /* omap3_do_wfi function pointer and size, for copy to SRAM */
68 extern void omap3_do_wfi(void);
69 extern unsigned int omap3_do_wfi_sz;
70 /* ... and its pointer from SRAM after copy */
71 extern void (*omap3_do_wfi_sram)(void);
73 /* save_secure_ram_context function pointer and size, for copy to SRAM */
74 extern int save_secure_ram_context(u32 *addr);
75 extern unsigned int save_secure_ram_context_sz;
77 extern void omap3_save_scratchpad_contents(void);
79 #define PM_RTA_ERRATUM_i608 (1 << 0)
80 #define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1)
82 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
83 extern u16 pm34xx_errata;
84 #define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id))
85 extern void enable_omap3630_toggle_l2_on_restore(void);
87 #define IS_PM34XX_ERRATUM(id) 0
88 static inline void enable_omap3630_toggle_l2_on_restore(void) { }
89 #endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
91 #ifdef CONFIG_OMAP_SMARTREFLEX
92 extern int omap_devinit_smartreflex(void);
93 extern void omap_enable_smartreflex_on_init(void);
95 static inline int omap_devinit_smartreflex(void)
100 static inline void omap_enable_smartreflex_on_init(void) {}
103 #ifdef CONFIG_TWL4030_CORE
104 extern int omap3_twl_init(void);
105 extern int omap4_twl_init(void);
106 extern int omap3_twl_set_sr_bit(bool enable);
108 static inline int omap3_twl_init(void)
112 static inline int omap4_twl_init(void)