1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * OMAP2/3 Power Management Routines
  4 *
  5 * Copyright (C) 2008 Nokia Corporation
  6 * Jouni Hogander
 
 
 
 
  7 */
  8#ifndef __ARCH_ARM_MACH_OMAP2_PM_H
  9#define __ARCH_ARM_MACH_OMAP2_PM_H
 10
 11#include <linux/err.h>
 12
 13#include "powerdomain.h"
 14
 15#ifdef CONFIG_CPU_IDLE
 16extern int __init omap3_idle_init(void);
 17extern int __init omap4_idle_init(void);
 18#else
 19static inline int omap3_idle_init(void)
 20{
 21	return 0;
 22}
 23
 24static inline int omap4_idle_init(void)
 25{
 26	return 0;
 27}
 28#endif
 29
 30extern void *omap3_secure_ram_storage;
 31extern void omap3_pm_off_mode_enable(int);
 32extern void omap_sram_idle(bool rcuidle);
 33extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused);
 34
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 35extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
 36extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
 37
 
 38extern u32 enable_off_mode;
 
 
 
 39
 40#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
 41extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
 42#else
 43#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
 44#endif /* CONFIG_PM_DEBUG */
 45
 46/* 24xx */
 
 
 
 47extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
 48					void __iomem *sdrc_power);
 49extern unsigned int omap24xx_cpu_suspend_sz;
 50
 51/* 3xxx */
 52extern void omap34xx_cpu_suspend(int save_state);
 53
 54/* omap3_do_wfi function pointer and size, for copy to SRAM */
 55extern void omap3_do_wfi(void);
 56extern unsigned int omap3_do_wfi_sz;
 57/* ... and its pointer from SRAM after copy */
 58extern void (*omap3_do_wfi_sram)(void);
 59
 60extern struct am33xx_pm_sram_addr am33xx_pm_sram;
 61extern struct am33xx_pm_sram_addr am43xx_pm_sram;
 62
 63extern void omap3_save_scratchpad_contents(void);
 64
 65#define PM_RTA_ERRATUM_i608		(1 << 0)
 66#define PM_SDRC_WAKEUP_ERRATUM_i583	(1 << 1)
 67#define PM_PER_MEMORIES_ERRATUM_i582	(1 << 2)
 68
 69#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
 70extern u16 pm34xx_errata;
 71#define IS_PM34XX_ERRATUM(id)		(pm34xx_errata & (id))
 72extern void enable_omap3630_toggle_l2_on_restore(void);
 73#else
 74#define IS_PM34XX_ERRATUM(id)		0
 75static inline void enable_omap3630_toggle_l2_on_restore(void) { }
 76#endif		/* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
 77
 78#define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD	(1 << 0)
 79#define PM_OMAP4_CPU_OSWR_DISABLE		(1 << 1)
 80
 81#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) ||\
 82	   defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX))
 83extern u16 pm44xx_errata;
 84#define IS_PM44XX_ERRATUM(id)		(pm44xx_errata & (id))
 85#else
 86#define IS_PM44XX_ERRATUM(id)		0
 87#endif
 88
 89#define OMAP4_VP_CONFIG_ERROROFFSET	0x00
 90#define OMAP4_VP_VSTEPMIN_VSTEPMIN	0x01
 91#define OMAP4_VP_VSTEPMAX_VSTEPMAX	0x04
 92#define OMAP4_VP_VLIMITTO_TIMEOUT_US	200
 93
 94#ifdef CONFIG_POWER_AVS_OMAP
 95extern int omap_devinit_smartreflex(void);
 
 96#else
 97static inline int omap_devinit_smartreflex(void)
 98{
 99	return -EINVAL;
100}
 
 
101#endif
102
103#ifdef CONFIG_TWL4030_CORE
104extern int omap3_twl_init(void);
105extern int omap4_twl_init(void);
 
106#else
107static inline int omap3_twl_init(void)
108{
109	return -EINVAL;
110}
111static inline int omap4_twl_init(void)
112{
113	return -EINVAL;
114}
115#endif
116
117#if IS_ENABLED(CONFIG_MFD_CPCAP)
118extern int omap4_cpcap_init(void);
119#else
120static inline int omap4_cpcap_init(void)
121{
122	return -EINVAL;
123}
124#endif
125
126#ifdef CONFIG_PM
 
127extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut);
 
128#else
 
129static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; }
 
130#endif
131
132#ifdef CONFIG_SUSPEND
133void omap_common_suspend_init(void *pm_suspend);
134#else
135static inline void omap_common_suspend_init(void *pm_suspend)
136{
137}
138#endif /* CONFIG_SUSPEND */
139#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
 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
 84extern struct am33xx_pm_sram_addr am33xx_pm_sram;
 85extern struct am33xx_pm_sram_addr am43xx_pm_sram;
 86
 87extern void omap3_save_scratchpad_contents(void);
 88
 89#define PM_RTA_ERRATUM_i608		(1 << 0)
 90#define PM_SDRC_WAKEUP_ERRATUM_i583	(1 << 1)
 91#define PM_PER_MEMORIES_ERRATUM_i582	(1 << 2)
 92
 93#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
 94extern u16 pm34xx_errata;
 95#define IS_PM34XX_ERRATUM(id)		(pm34xx_errata & (id))
 96extern void enable_omap3630_toggle_l2_on_restore(void);
 97#else
 98#define IS_PM34XX_ERRATUM(id)		0
 99static inline void enable_omap3630_toggle_l2_on_restore(void) { }
100#endif		/* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
101
102#define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD	(1 << 0)
103#define PM_OMAP4_CPU_OSWR_DISABLE		(1 << 1)
104
105#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) ||\
106	   defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX))
107extern u16 pm44xx_errata;
108#define IS_PM44XX_ERRATUM(id)		(pm44xx_errata & (id))
109#else
110#define IS_PM44XX_ERRATUM(id)		0
111#endif
112
 
 
 
 
 
113#ifdef CONFIG_POWER_AVS_OMAP
114extern int omap_devinit_smartreflex(void);
115extern void omap_enable_smartreflex_on_init(void);
116#else
117static inline int omap_devinit_smartreflex(void)
118{
119	return -EINVAL;
120}
121
122static inline void omap_enable_smartreflex_on_init(void) {}
123#endif
124
125#ifdef CONFIG_TWL4030_CORE
126extern int omap3_twl_init(void);
127extern int omap4_twl_init(void);
128extern int omap3_twl_set_sr_bit(bool enable);
129#else
130static inline int omap3_twl_init(void)
131{
132	return -EINVAL;
133}
134static inline int omap4_twl_init(void)
135{
136	return -EINVAL;
137}
138#endif
139
 
 
 
 
 
 
 
 
 
140#ifdef CONFIG_PM
141extern void omap_pm_setup_oscillator(u32 tstart, u32 tshut);
142extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut);
143extern void omap_pm_setup_sr_i2c_pcb_length(u32 mm);
144#else
145static inline void omap_pm_setup_oscillator(u32 tstart, u32 tshut) { }
146static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; }
147static inline void omap_pm_setup_sr_i2c_pcb_length(u32 mm) { }
148#endif
149
150#ifdef CONFIG_SUSPEND
151void omap_common_suspend_init(void *pm_suspend);
152#else
153static inline void omap_common_suspend_init(void *pm_suspend)
154{
155}
156#endif /* CONFIG_SUSPEND */
157#endif