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/linux/kernel/time/
H A Dalarmtimer.c6 * but triggers a RTC alarm if the box is suspend.
8 * This interface is influenced by the Android RTC Alarm timer
37 * struct alarm_base - Alarm timer bases
61 /* rtc timer and device for setting alarm wakeups at suspend */
151 * alarmtimer_enqueue - Adds an alarm timer to an alarm_base timerqueue
153 * @alarm: pointer to alarm being enqueued.
155 * Adds alarm to a alarm_base timerqueue
159 static void alarmtimer_enqueue(struct alarm_base *base, struct alarm *alarm) in alarmtimer_enqueue() argument
161 if (alarm->state & ALARMTIMER_STATE_ENQUEUED) in alarmtimer_enqueue()
162 timerqueue_del(&base->timerqueue, &alarm->node); in alarmtimer_enqueue()
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/linux/drivers/rtc/
H A Dinterface.c179 struct rtc_wkalrm *alarm) in rtc_read_alarm_internal() argument
192 alarm->enabled = 0; in rtc_read_alarm_internal()
193 alarm->pending = 0; in rtc_read_alarm_internal()
194 alarm->time.tm_sec = -1; in rtc_read_alarm_internal()
195 alarm->time.tm_min = -1; in rtc_read_alarm_internal()
196 alarm->time.tm_hour = -1; in rtc_read_alarm_internal()
197 alarm->time.tm_mday = -1; in rtc_read_alarm_internal()
198 alarm->time.tm_mon = -1; in rtc_read_alarm_internal()
199 alarm->time.tm_year = -1; in rtc_read_alarm_internal()
200 alarm->time.tm_wday = -1; in rtc_read_alarm_internal()
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H A Drtc-ab-b5ze-s3.c4 * I2C RTC / Alarm chip
29 #define ABB5ZES3_REG_CTRL1_AIE BIT(1) /* Alarm interrupt enable */
40 #define ABB5ZES3_REG_CTRL2_AF BIT(3) /* Alarm interrupt status */
70 /* Alarm section (enable bits are all active low) */
71 #define ABB5ZES3_REG_ALRM_MN 0x0A /* Alarm - minute register */
73 #define ABB5ZES3_REG_ALRM_HR 0x0B /* Alarm - hours register */
75 #define ABB5ZES3_REG_ALRM_DT 0x0C /* Alarm - date register */
77 #define ABB5ZES3_REG_ALRM_DW 0x0D /* Alarm - day of the week reg. */
126 bool timer_alarm; /* current alarm is via timer A */
155 /* Clear alarm status bit. */
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H A Drtc-sc27xx.c83 /* alarm lock definition for SPRD_RTC_SPG_UPD register */
99 /* timeout of synchronizing time and alarm registers (us) */
114 * alarm and auxiliary alarm. The time group registers are used to set RTC time,
115 * the normal alarm registers are used to set normal alarm, and the auxiliary
116 * alarm registers are used to set auxiliary alarm. Both alarm event and
117 * auxiliary alarm event can wake up system from deep sleep, but only alarm
283 * Since the time and normal alarm registers are put in always-power-on in sprd_rtc_set_secs()
294 dev_err(rtc->dev, "set time/alarm values timeout\n"); in sprd_rtc_set_secs()
308 /* clear the auxiliary alarm interrupt status */ in sprd_rtc_set_aux_alarm()
391 * The RTC core checks to see if there is an alarm already set in RTC in sprd_rtc_read_alarm()
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H A Ddev.c210 struct rtc_wkalrm alarm; in rtc_dev_ioctl() local
251 * RTC and alarm times will be in UTC, by preference, in rtc_dev_ioctl()
260 err = rtc_read_alarm(rtc, &alarm); in rtc_dev_ioctl()
264 if (copy_to_user(uarg, &alarm.time, sizeof(tm))) in rtc_dev_ioctl()
271 if (copy_from_user(&alarm.time, uarg, sizeof(tm))) in rtc_dev_ioctl()
274 alarm.enabled = 0; in rtc_dev_ioctl()
275 alarm.pending = 0; in rtc_dev_ioctl()
276 alarm.time.tm_wday = -1; in rtc_dev_ioctl()
277 alarm.time.tm_yday = -1; in rtc_dev_ioctl()
278 alarm.time.tm_isdst = -1; in rtc_dev_ioctl()
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H A Drtc-test.c18 struct timer_list alarm; member
27 time64_t alarm; in test_rtc_read_alarm() local
29 alarm = (rtd->alarm.expires - jiffies) / HZ; in test_rtc_read_alarm()
30 alarm += ktime_get_real_seconds() + rtd->offset; in test_rtc_read_alarm()
32 rtc_time64_to_tm(alarm, &alrm->time); in test_rtc_read_alarm()
47 del_timer(&rtd->alarm); in test_rtc_set_alarm()
53 rtd->alarm.expires = expires; in test_rtc_set_alarm()
56 add_timer(&rtd->alarm); in test_rtc_set_alarm()
87 add_timer(&rtd->alarm); in test_rtc_alarm_irq_enable()
89 del_timer(&rtd->alarm); in test_rtc_alarm_irq_enable()
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H A Drtc-cros-ec.c26 * @saved_alarm: Alarm to restore when interrupts are reenabled
113 /* Read alarm time from RTC. */
122 * The EC host command for getting the alarm is relative (i.e. 5 in cros_ec_rtc_read_alarm()
134 dev_err(dev, "error getting alarm: %d\n", ret); in cros_ec_rtc_read_alarm()
143 /* Set the EC's RTC alarm. */
153 * The EC host command for setting the alarm is relative in cros_ec_rtc_set_alarm()
171 * If the alarm is being disabled, send an alarm in cros_ec_rtc_set_alarm()
177 /* Don't set an alarm in the past. */ in cros_ec_rtc_set_alarm()
186 dev_err(dev, "error setting alarm in %u seconds: %d\n", in cros_ec_rtc_set_alarm()
189 * The EC code returns -EINVAL if the alarm time is too in cros_ec_rtc_set_alarm()
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/linux/include/trace/events/
H A Dalarmtimer.h47 TP_PROTO(struct alarm *alarm, ktime_t now),
49 TP_ARGS(alarm, now),
52 __field(void *, alarm)
59 __entry->alarm = alarm;
60 __entry->alarm_type = alarm->type;
61 __entry->expires = alarm->node.expires;
66 __entry->alarm,
75 TP_PROTO(struct alarm *alarm, ktime_t now),
77 TP_ARGS(alarm, now)
82 TP_PROTO(struct alarm *alarm, ktime_t now),
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/linux/Documentation/hwmon/
H A Dmax1668.rst35 temp1_max rw local temperature maximum threshold for alarm
36 temp1_max_alarm ro local temperature maximum threshold alarm
37 temp1_min rw local temperature minimum threshold for alarm
38 temp1_min_alarm ro local temperature minimum threshold alarm
40 temp2_max rw remote temperature 1 maximum threshold for alarm
41 temp2_max_alarm ro remote temperature 1 maximum threshold alarm
42 temp2_min rw remote temperature 1 minimum threshold for alarm
43 temp2_min_alarm ro remote temperature 1 minimum threshold alarm
45 temp3_max rw remote temperature 2 maximum threshold for alarm
46 temp3_max_alarm ro remote temperature 2 maximum threshold alarm
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H A Dina209.rst44 in0_max shunt voltage max alarm limit (mV)
45 in0_min shunt voltage min alarm limit (mV)
46 in0_crit_max shunt voltage crit max alarm limit (mV)
47 in0_crit_min shunt voltage crit min alarm limit (mV)
48 in0_max_alarm shunt voltage max alarm limit exceeded
49 in0_min_alarm shunt voltage min alarm limit exceeded
50 in0_crit_max_alarm shunt voltage crit max alarm limit exceeded
51 in0_crit_min_alarm shunt voltage crit min alarm limit exceeded
57 in1_max bus voltage max alarm limit (mV)
58 in1_min bus voltage min alarm limit (mV)
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H A Disl68137.rst437 curr1_crit_alarm Current critical high alarm
442 curr[2-3]_crit_alarm Current critical high alarm
447 in1_lcrit_alarm Input voltage critical low alarm
449 in1_crit_alarm Input voltage critical high alarm
454 in[2-3]_lcrit_alarm Output voltage critical low alarm
456 in[2-3]_crit_alarm Output voltage critical high alarm
460 power1_alarm Input power high alarm
467 temp[1-3]_crit_alarm Chip temperature critical high alarm
469 temp[1-3]_max_alarm Chip temperature high alarm
479 curr1_crit_alarm Current critical high alarm
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H A Dir35221.rst42 curr1_max_alarm Current high alarm
47 curr[2-3]_crit_alarm Current critical high alarm
51 curr[2-3]_max_alarm Current high alarm
56 in1_crit_alarm Input voltage critical high alarm
60 in1_min_alarm Input voltage low alarm
65 in[2-3]_lcrit_alarm Output voltage critical low alarm
67 in[2-3]_crit_alarm Output voltage critical high alarm
71 in[2-3]_max_alarm Output voltage high alarm
73 in[2-3]_min_alarm Output voltage low alarm
77 power1_alarm Input power high alarm
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H A Dpli1209bc.rst37 in1_max_alarm Input voltage high alarm.
39 in1_crit_alarm Input voltage critical alarm.
45 in2_alarm Output voltage alarm
50 curr1_max_alarm Maximum input current high alarm.
52 curr1_crit_alarm Input current critical alarm.
57 curr2_crit_alarm Output current critical alarm.
59 curr2_max_alarm Output current high alarm.
63 power1_alarm Input power alarm.
70 temp1_alarm Die temperature alarm.
72 temp1_max_alarm Die temperature high alarm.
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H A Dltc2947.rst47 in0_min_alarm Undervoltage alarm
48 in0_max_alarm Overvoltage alarm
57 in1_min_alarm Undervoltage alarm
58 in1_max_alarm Overvoltage alarm
67 curr1_min_alarm Undercurrent alarm
68 curr1_max_alarm Overcurrent alarm
77 power1_min_alarm Low power alarm
78 power1_max_alarm High power alarm
87 temp1_min_alarm Low temperature alarm
88 temp1_max_alarm High temperature alarm
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H A Dmax20751.rst55 in1_min_alarm Input voltage low alarm.
56 in1_lcrit_alarm Input voltage critical low alarm.
57 in1_min_alarm Input voltage low alarm.
58 in1_max_alarm Input voltage high alarm.
66 in2_min_alarm Output voltage low alarm.
67 in2_lcrit_alarm Output voltage critical low alarm.
68 in2_min_alarm Output voltage low alarm.
69 in2_max_alarm Output voltage high alarm.
74 curr1_alarm Current high alarm.
79 temp1_max_alarm Chip temperature high alarm.
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H A Dacbel-fsg032.rst30 curr1_crit_alarm Input current critical alarm.
34 curr1_max_alarm Maximum input current high alarm.
37 curr2_crit_alarm Output current critical alarm.
41 curr2_max_alarm Output current high alarm.
50 in1_alarm Input voltage under-voltage alarm.
56 in2_crit_alarm Output voltage critical high alarm.
60 in2_lcrit_alarm Output voltage critical low alarm.
64 power1_alarm Input fault or alarm.
70 power2_crit_alarm Output power crit alarm limit exceeded.
74 power2_max_alarm Output power high alarm.
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H A Dbpa-rs600.rst34 curr1_max_alarm Input current high alarm
39 curr2_max_alarm Output current high alarm
48 in1_max_alarm Input voltage high alarm
50 in1_min_alarm Input voltage low alarm
55 in2_max_alarm Output voltage high alarm
57 in2_min_alarm Output voltage low alarm
61 power1_alarm Input power alarm
67 power2_max_alarm Output power high alarm
70 temp1_alarm Temperature alarm
73 temp2_alarm Temperature alarm
H A Dinspur-ipsps1.rst32 curr1_max_alarm Current high alarm
36 curr2_crit_alarm Current critical high alarm
38 curr2_max_alarm Current high alarm
44 in1_alarm Input voltage under-voltage alarm.
50 in2_lcrit_alarm Output voltage critical low alarm
52 in2_max_alarm Output voltage high alarm
54 in2_min_alarm Output voltage low alarm
56 power1_alarm Input fault or alarm.
60 power2_max_alarm Output power high alarm
67 temp[1-3]_max_alarm Temperature high alarm
H A Dir38064.rst60 curr1_crit_alarm Current critical high alarm
62 curr1_max_alarm Current high alarm
67 in1_crit_alarm Input voltage critical high alarm
69 in1_min_alarm Input voltage low alarm
74 in2_lcrit_alarm Output voltage critical low alarm
76 in2_crit_alarm Output voltage critical high alarm
78 in2_max_alarm Output voltage high alarm
80 in2_min_alarm Output voltage low alarm
87 temp1_crit_alarm Chip temperature critical high alarm
89 temp1_max_alarm Chip temperature high alarm
H A Dmax16601.rst76 in1_alarm Input voltage alarm.
80 in2_alarm Output voltage alarm.
86 curr1_max_alarm Current high alarm.
102 curr[N+4]_crit_alarm Output current critical alarm.
104 curr[N+4]_max_alarm Output current high alarm.
114 curr[2*N+5]_crit_alarm Output current critical alarm.
116 curr[2*N+5]_max_alarm Output current high alarm.
121 power1_alarm Input power alarm.
131 temp1_crit_alarm Chip temperature critical high alarm.
133 temp1_max_alarm Chip temperature high alarm.
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H A Dltc4245.rst57 in1_min_alarm 12v input undervoltage alarm
58 in2_min_alarm 5v input undervoltage alarm
59 in3_min_alarm 3v input undervoltage alarm
60 in4_min_alarm Vee (-12v) input undervoltage alarm
67 curr1_max_alarm 12v overcurrent alarm
68 curr2_max_alarm 5v overcurrent alarm
69 curr3_max_alarm 3v overcurrent alarm
70 curr4_max_alarm Vee (-12v) overcurrent alarm
77 in5_min_alarm 12v output undervoltage alarm
78 in6_min_alarm 5v output undervoltage alarm
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/linux/drivers/gpu/drm/nouveau/nvkm/subdev/timer/
H A Dbase.c71 struct nvkm_alarm *alarm, *atemp; in nvkm_timer_alarm_trigger() local
77 list_for_each_entry_safe(alarm, atemp, &tmr->alarms, head) { in nvkm_timer_alarm_trigger()
78 /* Have we hit the earliest alarm that hasn't gone off? */ in nvkm_timer_alarm_trigger()
79 if (alarm->timestamp > nvkm_timer_read(tmr)) { in nvkm_timer_alarm_trigger()
81 tmr->func->alarm_init(tmr, alarm->timestamp); in nvkm_timer_alarm_trigger()
82 if (alarm->timestamp > nvkm_timer_read(tmr)) in nvkm_timer_alarm_trigger()
89 list_del_init(&alarm->head); in nvkm_timer_alarm_trigger()
90 list_add(&alarm->exec, &exec); in nvkm_timer_alarm_trigger()
99 list_for_each_entry_safe(alarm, atemp, &exec, exec) { in nvkm_timer_alarm_trigger()
100 list_del(&alarm->exec); in nvkm_timer_alarm_trigger()
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/linux/tools/testing/selftests/rtc/
H A Drtctest.c96 /* Validate kernel reflects unsupported RTC alarm state */ in get_rtc_alarm_state()
243 * Report error if rtc alarm was enabled. Fallback to check ioctl in TEST_F()
244 * error number if rtc alarm state is unknown. in TEST_F()
255 TH_LOG("Alarm time now set to %02d:%02d:%02d.", in TEST_F()
258 /* Enable alarm interrupts */ in TEST_F()
269 /* Disable alarm interrupts */ in TEST_F()
286 struct rtc_wkalrm alarm = { 0 }; in TEST_F() local
302 rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time); in TEST_F()
305 secs = timegm((struct tm *)&alarm.time) + ALARM_DELTA; in TEST_F()
306 gmtime_r(&secs, (struct tm *)&alarm.time); in TEST_F()
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/linux/Documentation/ABI/testing/
H A Dsysfs-devices-platform-ACPI-TAD1 ACPI Time and Alarm (TAD) device attributes.
28 (RW) The AC alarm timer value.
30 Reads return the current AC alarm timer value in seconds or
31 "disabled", if the AC alarm is not set to wake up the system.
33 Write a new AC alarm timer value in seconds or "disabled" to it
34 to set the AC alarm timer or to disable it, respectively.
36 If the AC alarm timer is set through this attribute and it
45 (RW) The AC alarm expired timer wake policy (see ACPI 6.2,
49 alarm timer or "never", if the policy is to discard AC timer
52 Write a new expired timer wake delay for the AC alarm timer in
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/linux/Documentation/devicetree/bindings/rtc/
H A Dfsl,ls-ftm-alarm.yaml4 $id: http://devicetree.org/schemas/rtc/fsl,ls-ftm-alarm.yaml#
7 title: Freescale FlexTimer Module (FTM) Alarm
15 - fsl,ls1012a-ftm-alarm
16 - fsl,ls1021a-ftm-alarm
17 - fsl,ls1028a-ftm-alarm
18 - fsl,ls1043a-ftm-alarm
19 - fsl,ls1046a-ftm-alarm
20 - fsl,ls1088a-ftm-alarm
21 - fsl,ls208xa-ftm-alarm
22 - fsl,lx2160a-ftm-alarm
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