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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (c) 2004 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Written by Ben Dooks, <ben@simtec.co.uk>
6 */
7
8/* s3c_pm_init
9 *
10 * called from board at initialisation time to setup the power
11 * management
12*/
13
14#include "pm-common.h"
15
16struct device;
17
18#ifdef CONFIG_SAMSUNG_PM
19
20extern __init int s3c_pm_init(void);
21extern __init int s3c64xx_pm_init(void);
22
23#else
24
25static inline int s3c_pm_init(void)
26{
27 return 0;
28}
29
30static inline int s3c64xx_pm_init(void)
31{
32 return 0;
33}
34#endif
35
36/* configuration for the IRQ mask over sleep */
37extern unsigned long s3c_irqwake_intmask;
38extern unsigned long s3c_irqwake_eintmask;
39
40/* per-cpu sleep functions */
41
42extern void (*pm_cpu_prep)(void);
43extern int (*pm_cpu_sleep)(unsigned long);
44
45/* Flags for PM Control */
46
47extern unsigned long s3c_pm_flags;
48
49/* from sleep.S */
50
51extern int s3c2410_cpu_suspend(unsigned long);
52
53#ifdef CONFIG_PM_SLEEP
54extern int s3c_irq_wake(struct irq_data *data, unsigned int state);
55extern void s3c_cpu_resume(void);
56#else
57#define s3c_irq_wake NULL
58#define s3c_cpu_resume NULL
59#endif
60
61#ifdef CONFIG_SAMSUNG_PM
62extern int s3c_irqext_wake(struct irq_data *data, unsigned int state);
63#else
64#define s3c_irqext_wake NULL
65#endif
66
67#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
68/**
69 * s3c_pm_debug_smdkled() - Debug PM suspend/resume via SMDK Board LEDs
70 * @set: set bits for the state of the LEDs
71 * @clear: clear bits for the state of the LEDs.
72 */
73extern void s3c_pm_debug_smdkled(u32 set, u32 clear);
74
75#else
76static inline void s3c_pm_debug_smdkled(u32 set, u32 clear) { }
77#endif /* CONFIG_S3C_PM_DEBUG_LED_SMDK */
78
79/**
80 * s3c_pm_configure_extint() - ensure pins are correctly set for IRQ
81 *
82 * Setup all the necessary GPIO pins for waking the system on external
83 * interrupt.
84 */
85extern void s3c_pm_configure_extint(void);
86
87#ifdef CONFIG_GPIO_SAMSUNG
88/**
89 * samsung_pm_restore_gpios() - restore the state of the gpios after sleep.
90 *
91 * Restore the state of the GPIO pins after sleep, which may involve ensuring
92 * that we do not glitch the state of the pins from that the bootloader's
93 * resume code has done.
94*/
95extern void samsung_pm_restore_gpios(void);
96
97/**
98 * samsung_pm_save_gpios() - save the state of the GPIOs for restoring after sleep.
99 *
100 * Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios().
101 */
102extern void samsung_pm_save_gpios(void);
103#else
104static inline void samsung_pm_restore_gpios(void) {}
105static inline void samsung_pm_save_gpios(void) {}
106#endif
107
108extern void s3c_pm_save_core(void);
109extern void s3c_pm_restore_core(void);
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (c) 2004 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Written by Ben Dooks, <ben@simtec.co.uk>
6 */
7
8/* s3c_pm_init
9 *
10 * called from board at initialisation time to setup the power
11 * management
12*/
13
14#include "pm-common.h"
15
16struct device;
17
18#ifdef CONFIG_SAMSUNG_PM
19
20extern __init int s3c_pm_init(void);
21extern __init int s3c64xx_pm_init(void);
22
23#else
24
25static inline int s3c_pm_init(void)
26{
27 return 0;
28}
29
30static inline int s3c64xx_pm_init(void)
31{
32 return 0;
33}
34#endif
35
36/* configuration for the IRQ mask over sleep */
37extern unsigned long s3c_irqwake_intmask;
38extern unsigned long s3c_irqwake_eintmask;
39
40/* per-cpu sleep functions */
41
42extern void (*pm_cpu_prep)(void);
43extern int (*pm_cpu_sleep)(unsigned long);
44
45/* Flags for PM Control */
46
47extern unsigned long s3c_pm_flags;
48
49/* from sleep.S */
50
51extern int s3c2410_cpu_suspend(unsigned long);
52
53#ifdef CONFIG_PM_SLEEP
54extern int s3c_irq_wake(struct irq_data *data, unsigned int state);
55extern void s3c_cpu_resume(void);
56#else
57#define s3c_irq_wake NULL
58#define s3c_cpu_resume NULL
59#endif
60
61#ifdef CONFIG_SAMSUNG_PM
62extern int s3c_irqext_wake(struct irq_data *data, unsigned int state);
63#else
64#define s3c_irqext_wake NULL
65#endif
66
67#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
68/**
69 * s3c_pm_debug_smdkled() - Debug PM suspend/resume via SMDK Board LEDs
70 * @set: set bits for the state of the LEDs
71 * @clear: clear bits for the state of the LEDs.
72 */
73extern void s3c_pm_debug_smdkled(u32 set, u32 clear);
74
75#else
76static inline void s3c_pm_debug_smdkled(u32 set, u32 clear) { }
77#endif /* CONFIG_S3C_PM_DEBUG_LED_SMDK */
78
79/**
80 * s3c_pm_configure_extint() - ensure pins are correctly set for IRQ
81 *
82 * Setup all the necessary GPIO pins for waking the system on external
83 * interrupt.
84 */
85extern void s3c_pm_configure_extint(void);
86
87#ifdef CONFIG_GPIO_SAMSUNG
88/**
89 * samsung_pm_restore_gpios() - restore the state of the gpios after sleep.
90 *
91 * Restore the state of the GPIO pins after sleep, which may involve ensuring
92 * that we do not glitch the state of the pins from that the bootloader's
93 * resume code has done.
94*/
95extern void samsung_pm_restore_gpios(void);
96
97/**
98 * samsung_pm_save_gpios() - save the state of the GPIOs for restoring after sleep.
99 *
100 * Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios().
101 */
102extern void samsung_pm_save_gpios(void);
103#else
104static inline void samsung_pm_restore_gpios(void) {}
105static inline void samsung_pm_save_gpios(void) {}
106#endif
107
108extern void s3c_pm_save_core(void);
109extern void s3c_pm_restore_core(void);