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15#include <linux/init.h>
16#include <linux/module.h>
17#include <linux/interrupt.h>
18
19#include <plat/cpu.h>
20#include <plat/irqs.h>
21#include <plat/pm.h>
22#include <mach/map.h>
23
24#include <mach/regs-gpio.h>
25#include <mach/regs-irq.h>
26
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34
35unsigned long s3c_irqwake_intallow = 0x00000006L;
36unsigned long s3c_irqwake_eintallow = 0xffffffffL;
37
38int s3c_irq_wake(struct irq_data *data, unsigned int state)
39{
40 unsigned long irqbit;
41 unsigned int irq_rtc_tic, irq_rtc_alarm;
42
43#ifdef CONFIG_ARCH_EXYNOS
44 if (soc_is_exynos5250()) {
45 irq_rtc_tic = EXYNOS5_IRQ_RTC_TIC;
46 irq_rtc_alarm = EXYNOS5_IRQ_RTC_ALARM;
47 } else {
48 irq_rtc_tic = EXYNOS4_IRQ_RTC_TIC;
49 irq_rtc_alarm = EXYNOS4_IRQ_RTC_ALARM;
50 }
51#else
52 irq_rtc_tic = IRQ_RTC_TIC;
53 irq_rtc_alarm = IRQ_RTC_ALARM;
54#endif
55
56 if (data->irq == irq_rtc_tic || data->irq == irq_rtc_alarm) {
57 irqbit = 1 << (data->irq + 1 - irq_rtc_alarm);
58
59 if (!state)
60 s3c_irqwake_intmask |= irqbit;
61 else
62 s3c_irqwake_intmask &= ~irqbit;
63 } else {
64 return -ENOENT;
65 }
66
67 return 0;
68}
69
70static struct sleep_save eint_save[] = {
71 SAVE_ITEM(S5P_EINT_CON(0)),
72 SAVE_ITEM(S5P_EINT_CON(1)),
73 SAVE_ITEM(S5P_EINT_CON(2)),
74 SAVE_ITEM(S5P_EINT_CON(3)),
75
76 SAVE_ITEM(S5P_EINT_FLTCON(0)),
77 SAVE_ITEM(S5P_EINT_FLTCON(1)),
78 SAVE_ITEM(S5P_EINT_FLTCON(2)),
79 SAVE_ITEM(S5P_EINT_FLTCON(3)),
80 SAVE_ITEM(S5P_EINT_FLTCON(4)),
81 SAVE_ITEM(S5P_EINT_FLTCON(5)),
82 SAVE_ITEM(S5P_EINT_FLTCON(6)),
83 SAVE_ITEM(S5P_EINT_FLTCON(7)),
84
85 SAVE_ITEM(S5P_EINT_MASK(0)),
86 SAVE_ITEM(S5P_EINT_MASK(1)),
87 SAVE_ITEM(S5P_EINT_MASK(2)),
88 SAVE_ITEM(S5P_EINT_MASK(3)),
89};
90
91int s3c24xx_irq_suspend(void)
92{
93 s3c_pm_do_save(eint_save, ARRAY_SIZE(eint_save));
94
95 return 0;
96}
97
98void s3c24xx_irq_resume(void)
99{
100 s3c_pm_do_restore(eint_save, ARRAY_SIZE(eint_save));
101}
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103