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

  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 <linux/err.h>
 15
 16#include "powerdomain.h"
 17
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 18extern void *omap3_secure_ram_storage;
 19extern void omap3_pm_off_mode_enable(int);
 20extern void omap_sram_idle(void);
 21extern int omap3_can_sleep(void);
 22extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
 23extern int omap3_idle_init(void);
 24
 25#if defined(CONFIG_PM_OPP)
 26extern int omap3_opp_init(void);
 27extern int omap4_opp_init(void);
 28#else
 29static inline int omap3_opp_init(void)
 30{
 31	return -EINVAL;
 32}
 33static inline int omap4_opp_init(void)
 34{
 35	return -EINVAL;
 36}
 37#endif
 38
 39/*
 40 * cpuidle mach specific parameters
 41 *
 42 * The board code can override the default C-states definition using
 43 * omap3_pm_init_cpuidle
 44 */
 45struct cpuidle_params {
 46	u32 exit_latency;	/* exit_latency = sleep + wake-up latencies */
 47	u32 target_residency;
 48	u8 valid;		/* validates the C-state */
 49};
 50
 51#if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE)
 52extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params);
 53#else
 54static
 55inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params)
 56{
 57}
 58#endif
 59
 60extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
 61extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
 62
 63#ifdef CONFIG_PM_DEBUG
 64extern u32 enable_off_mode;
 65#else
 66#define enable_off_mode 0
 67#endif
 68
 69#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
 70extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
 71#else
 72#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
 73#endif /* CONFIG_PM_DEBUG */
 74
 75/* 24xx */
 76extern void omap24xx_idle_loop_suspend(void);
 77extern unsigned int omap24xx_idle_loop_suspend_sz;
 78
 79extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
 80					void __iomem *sdrc_power);
 81extern unsigned int omap24xx_cpu_suspend_sz;
 82
 83/* 3xxx */
 84extern void omap34xx_cpu_suspend(int save_state);
 85
 86/* omap3_do_wfi function pointer and size, for copy to SRAM */
 87extern void omap3_do_wfi(void);
 88extern unsigned int omap3_do_wfi_sz;
 89/* ... and its pointer from SRAM after copy */
 90extern void (*omap3_do_wfi_sram)(void);
 91
 92/* save_secure_ram_context function pointer and size, for copy to SRAM */
 93extern int save_secure_ram_context(u32 *addr);
 94extern unsigned int save_secure_ram_context_sz;
 95
 96extern void omap3_save_scratchpad_contents(void);
 97
 98#define PM_RTA_ERRATUM_i608		(1 << 0)
 99#define PM_SDRC_WAKEUP_ERRATUM_i583	(1 << 1)
 
100
101#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
102extern u16 pm34xx_errata;
103#define IS_PM34XX_ERRATUM(id)		(pm34xx_errata & (id))
104extern void enable_omap3630_toggle_l2_on_restore(void);
105#else
106#define IS_PM34XX_ERRATUM(id)		0
107static inline void enable_omap3630_toggle_l2_on_restore(void) { }
108#endif		/* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
109
110#ifdef CONFIG_OMAP_SMARTREFLEX
 
 
 
 
 
 
 
 
 
 
 
111extern int omap_devinit_smartreflex(void);
112extern void omap_enable_smartreflex_on_init(void);
113#else
114static inline int omap_devinit_smartreflex(void)
115{
116	return -EINVAL;
117}
118
119static inline void omap_enable_smartreflex_on_init(void) {}
120#endif
121
122#ifdef CONFIG_TWL4030_CORE
123extern int omap3_twl_init(void);
124extern int omap4_twl_init(void);
125extern int omap3_twl_set_sr_bit(bool enable);
126#else
127static inline int omap3_twl_init(void)
128{
129	return -EINVAL;
130}
131static inline int omap4_twl_init(void)
132{
133	return -EINVAL;
134}
135#endif
136
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
137#endif