Lines Matching full:cmos
3 * RTC class driver for "CMOS RTC": PCs, ACPI, etc
10 * The original "cmos clock" chip was an MC146818 chip, now obsolete.
248 struct cmos_rtc *cmos; member
264 if (p->cmos->day_alrm) { in cmos_read_alarm_callback()
266 time->tm_mday = CMOS_READ(p->cmos->day_alrm) & 0x3f; in cmos_read_alarm_callback()
270 if (p->cmos->mon_alrm) { in cmos_read_alarm_callback()
271 time->tm_mon = CMOS_READ(p->cmos->mon_alrm); in cmos_read_alarm_callback()
282 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_read_alarm() local
284 .cmos = cmos, in cmos_read_alarm()
289 if (!is_valid_irq(cmos->irq)) in cmos_read_alarm()
322 if (cmos->day_alrm) { in cmos_read_alarm()
328 if (cmos->mon_alrm) { in cmos_read_alarm()
343 static void cmos_checkintr(struct cmos_rtc *cmos, unsigned char rtc_control) in cmos_checkintr() argument
357 rtc_update_irq(cmos->rtc, 1, rtc_intr); in cmos_checkintr()
360 static void cmos_irq_enable(struct cmos_rtc *cmos, unsigned char mask) in cmos_irq_enable() argument
368 cmos_checkintr(cmos, rtc_control); in cmos_irq_enable()
376 if (cmos->wake_on) in cmos_irq_enable()
377 cmos->wake_on(cmos->dev); in cmos_irq_enable()
380 cmos_checkintr(cmos, rtc_control); in cmos_irq_enable()
383 static void cmos_irq_disable(struct cmos_rtc *cmos, unsigned char mask) in cmos_irq_disable() argument
394 if (cmos->wake_off) in cmos_irq_disable()
395 cmos->wake_off(cmos->dev); in cmos_irq_disable()
398 cmos_checkintr(cmos, rtc_control); in cmos_irq_disable()
403 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_validate_alarm() local
408 if (!cmos->day_alrm) { in cmos_validate_alarm()
420 } else if (!cmos->mon_alrm) { in cmos_validate_alarm()
469 struct cmos_rtc *cmos; member
484 cmos_irq_disable(p->cmos, RTC_AIE); in cmos_set_alarm_callback()
492 if (p->cmos->day_alrm) { in cmos_set_alarm_callback()
493 CMOS_WRITE(p->mday, p->cmos->day_alrm); in cmos_set_alarm_callback()
494 if (p->cmos->mon_alrm) in cmos_set_alarm_callback()
495 CMOS_WRITE(p->mon, p->cmos->mon_alrm); in cmos_set_alarm_callback()
508 cmos_irq_enable(p->cmos, RTC_AIE); in cmos_set_alarm_callback()
513 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_set_alarm() local
515 .cmos = cmos, in cmos_set_alarm()
522 if (!is_valid_irq(cmos->irq)) in cmos_set_alarm()
557 cmos->alarm_expires = rtc_tm_to_time64(&t->time); in cmos_set_alarm()
564 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_alarm_irq_enable() local
570 cmos_irq_enable(cmos, RTC_AIE); in cmos_alarm_irq_enable()
572 cmos_irq_disable(cmos, RTC_AIE); in cmos_alarm_irq_enable()
582 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_procfs() local
608 cmos->rtc->irq_freq, in cmos_procfs()
659 struct cmos_rtc *cmos = priv; in cmos_nvram_write() local
670 if (off == cmos->day_alrm in cmos_nvram_write()
671 || off == cmos->mon_alrm in cmos_nvram_write()
672 || off == cmos->century) in cmos_nvram_write()
746 struct cmos_rtc *cmos = dev_get_drvdata(dev); in rtc_handler() local
758 cmos_interrupt(0, (void *)cmos->rtc); in rtc_handler()
768 rtc_update_irq(cmos->rtc, 1, rtc_intr); in rtc_handler()
868 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_check_acpi_rtc_status() local
883 rtc_update_irq(cmos->rtc, 1, mask); in cmos_check_acpi_rtc_status()
1042 /* force periodic irq to CMOS reset default of 1024Hz; in cmos_do_probe()
1151 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_do_remove() local
1154 cmos_do_shutdown(cmos->irq); in cmos_do_remove()
1156 if (is_valid_irq(cmos->irq)) { in cmos_do_remove()
1157 free_irq(cmos->irq, cmos->rtc); in cmos_do_remove()
1165 cmos->rtc = NULL; in cmos_do_remove()
1167 ports = cmos->iomem; in cmos_do_remove()
1172 cmos->iomem = NULL; in cmos_do_remove()
1174 cmos->dev = NULL; in cmos_do_remove()
1179 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_aie_poweroff() local
1185 if (!cmos->alarm_expires) in cmos_aie_poweroff()
1208 if (cmos->alarm_expires == t_now + 1) { in cmos_aie_poweroff()
1215 } else if (cmos->alarm_expires > t_now + 1) { in cmos_aie_poweroff()
1224 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_suspend() local
1229 cmos->suspend_ctrl = tmp = CMOS_READ(RTC_CONTROL); in cmos_suspend()
1241 cmos_checkintr(cmos, tmp); in cmos_suspend()
1246 cmos->enabled_wake = 1; in cmos_suspend()
1247 if (cmos->wake_on) in cmos_suspend()
1248 cmos->wake_on(dev); in cmos_suspend()
1250 enable_irq_wake(cmos->irq); in cmos_suspend()
1253 memset(&cmos->saved_wkalrm, 0, sizeof(struct rtc_wkalrm)); in cmos_suspend()
1254 cmos_read_alarm(dev, &cmos->saved_wkalrm); in cmos_suspend()
1279 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_check_wkalrm() local
1287 if (!(cmos->suspend_ctrl & RTC_AIE)) in cmos_check_wkalrm()
1297 if (t_now >= cmos->alarm_expires && cmos_use_acpi_alarm()) { in cmos_check_wkalrm()
1299 cmos_interrupt(0, (void *)cmos->rtc); in cmos_check_wkalrm()
1307 t_saved_expires = rtc_tm_to_time64(&cmos->saved_wkalrm.time); in cmos_check_wkalrm()
1309 cmos->saved_wkalrm.enabled != current_alarm.enabled) { in cmos_check_wkalrm()
1310 cmos_set_alarm(dev, &cmos->saved_wkalrm); in cmos_check_wkalrm()
1316 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_resume() local
1319 if (cmos->enabled_wake && !cmos_use_acpi_alarm()) { in cmos_resume()
1320 if (cmos->wake_off) in cmos_resume()
1321 cmos->wake_off(dev); in cmos_resume()
1323 disable_irq_wake(cmos->irq); in cmos_resume()
1324 cmos->enabled_wake = 0; in cmos_resume()
1331 tmp = cmos->suspend_ctrl; in cmos_resume()
1332 cmos->suspend_ctrl = 0; in cmos_resume()
1353 rtc_update_irq(cmos->rtc, 1, mask); in cmos_resume()
1372 /* On non-x86 systems, a "CMOS" RTC lives most naturally on platform_bus.
1413 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_pnp_shutdown() local
1422 cmos_do_shutdown(cmos->irq); in cmos_pnp_shutdown()
1509 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_platform_shutdown() local
1518 cmos_do_shutdown(cmos->irq); in cmos_platform_shutdown()
1580 MODULE_DESCRIPTION("Driver for PC-style 'CMOS' RTCs");