1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
52 #define	DA9063_RTC_LOCK(sc)		mtx_lock(&(sc)->mtx)
53 #define	DA9063_RTC_UNLOCK(sc)		mtx_unlock(&(sc)->mtx)
54 #define	DA9063_RTC_ASSERT_LOCKED(sc)	mtx_assert(&(sc)->mtx, MA_OWNED);
55 #define	DA9063_RTC_ASSERT_UNLOCKED(sc)	mtx_assert(&(sc)->mtx, MA_NOTOWNED);
58 	{ "dlg,da9063-rtc",	1 },
59 	{ NULL,			0 }
65 	uint8_t sec, min, hour, day, mon, year;  in da9063_rtc_read_ct()  local
70 	error = DA9063_READ(sc->parent, DA9063_COUNT_S, &sec);  in da9063_rtc_read_ct()
71 	if (error != 0)  in da9063_rtc_read_ct()
73 	if ((sec & DA9063_COUNT_S_RTC_READ) == 0)  in da9063_rtc_read_ct()
76 	error = DA9063_READ(sc->parent, DA9063_COUNT_MI, &min);  in da9063_rtc_read_ct()
77 	if (error != 0)  in da9063_rtc_read_ct()
80 	error = DA9063_READ(sc->parent, DA9063_COUNT_H, &hour);  in da9063_rtc_read_ct()
81 	if (error != 0)  in da9063_rtc_read_ct()
84 	error = DA9063_READ(sc->parent, DA9063_COUNT_D, &day);  in da9063_rtc_read_ct()
85 	if (error != 0)  in da9063_rtc_read_ct()
88 	error = DA9063_READ(sc->parent, DA9063_COUNT_MO, &mon);  in da9063_rtc_read_ct()
89 	if (error != 0)  in da9063_rtc_read_ct()
92 	error = DA9063_READ(sc->parent, DA9063_COUNT_Y, &year);  in da9063_rtc_read_ct()
93 	if (error != 0)  in da9063_rtc_read_ct()
96 	ct->nsec = 0;  in da9063_rtc_read_ct()
97 	ct->dow = -1;  in da9063_rtc_read_ct()
98 	ct->sec = sec & DA9063_COUNT_S_COUNT_SEC_MASK;  in da9063_rtc_read_ct()
99 	ct->min = min & DA9063_COUNT_MI_COUNT_MIN_MASK;  in da9063_rtc_read_ct()
100 	ct->hour = hour & DA9063_COUNT_H_COUNT_HOUR_MASK;  in da9063_rtc_read_ct()
101 	ct->day = day & DA9063_COUNT_D_COUNT_DAY_MASK;  in da9063_rtc_read_ct()
102 	ct->mon = mon & DA9063_COUNT_MO_COUNT_MONTH_MASK;  in da9063_rtc_read_ct()
103 	ct->year = (year & DA9063_COUNT_Y_COUNT_YEAR_MASK) +  in da9063_rtc_read_ct()
106 	return (0);  in da9063_rtc_read_ct()
116 	error = DA9063_WRITE(sc->parent, DA9063_COUNT_S, ct->sec);  in da9063_rtc_write_ct()
117 	if (error != 0)  in da9063_rtc_write_ct()
120 	error = DA9063_WRITE(sc->parent, DA9063_COUNT_MI, ct->min);  in da9063_rtc_write_ct()
121 	if (error != 0)  in da9063_rtc_write_ct()
124 	error = DA9063_WRITE(sc->parent, DA9063_COUNT_H, ct->hour);  in da9063_rtc_write_ct()
125 	if (error != 0)  in da9063_rtc_write_ct()
128 	error = DA9063_WRITE(sc->parent, DA9063_COUNT_D, ct->day);  in da9063_rtc_write_ct()
129 	if (error != 0)  in da9063_rtc_write_ct()
132 	error = DA9063_WRITE(sc->parent, DA9063_COUNT_MO, ct->mon);  in da9063_rtc_write_ct()
133 	if (error != 0)  in da9063_rtc_write_ct()
136 	error = DA9063_WRITE(sc->parent, DA9063_COUNT_Y,  in da9063_rtc_write_ct()
137 	    (ct->year - DA9063_RTC_BASE_YEAR) &  in da9063_rtc_write_ct()
139 	if (error != 0)  in da9063_rtc_write_ct()
142 	return (0);  in da9063_rtc_write_ct()
157 	if (error != 0)  in da9063_rtc_gettime()
163 	 * be, so re-read to get a consistent set of values.  in da9063_rtc_gettime()
168 		if (error != 0)  in da9063_rtc_gettime()
171 	    ct.day != oldct.day || ct.mon != oldct.mon ||  in da9063_rtc_gettime()
177 	if (error != 0)  in da9063_rtc_gettime()
180 	return (0);  in da9063_rtc_gettime()
197 	 * We request a timespec with no resolution-adjustment.  That also  in da9063_rtc_settime()
200 	ts->tv_sec -= utc_offset();  in da9063_rtc_settime()
216 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)  in da9063_rtc_probe()
232 	sc->dev = dev;  in da9063_rtc_attach()
233 	sc->parent = device_get_parent(dev);  in da9063_rtc_attach()
236 	error = DA9063_MODIFY(sc->parent, DA9063_CONTROL_E, 0,  in da9063_rtc_attach()
238 	if (error != 0)  in da9063_rtc_attach()
242 	error = DA9063_MODIFY(sc->parent, DA9063_EN_32K, 0,  in da9063_rtc_attach()
244 	if (error != 0)  in da9063_rtc_attach()
248 	error = DA9063_MODIFY(sc->parent, DA9063_ALARM_Y,  in da9063_rtc_attach()
249 	    DA9063_ALARM_Y_ALARM_ON | DA9063_ALARM_Y_TICK_ON, 0);  in da9063_rtc_attach()
250 	if (error != 0)  in da9063_rtc_attach()
253 	mtx_init(&sc->mtx, device_get_nameunit(sc->dev), NULL, MTX_DEF);  in da9063_rtc_attach()
261 	return (0);  in da9063_rtc_attach()
272 	mtx_destroy(&sc->mtx);  in da9063_rtc_detach()
274 	return (0);  in da9063_rtc_detach()