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.
253 struct cmos_rtc *cmos; member
269 if (p->cmos->day_alrm) { in cmos_read_alarm_callback()
271 time->tm_mday = CMOS_READ(p->cmos->day_alrm) & 0x3f; in cmos_read_alarm_callback()
275 if (p->cmos->mon_alrm) { in cmos_read_alarm_callback()
276 time->tm_mon = CMOS_READ(p->cmos->mon_alrm); in cmos_read_alarm_callback()
287 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_read_alarm() local
289 .cmos = cmos, in cmos_read_alarm()
294 if (!is_valid_irq(cmos->irq)) in cmos_read_alarm()
327 if (cmos->day_alrm) { in cmos_read_alarm()
333 if (cmos->mon_alrm) { in cmos_read_alarm()
348 static void cmos_checkintr(struct cmos_rtc *cmos, unsigned char rtc_control) in cmos_checkintr() argument
362 rtc_update_irq(cmos->rtc, 1, rtc_intr); in cmos_checkintr()
365 static void cmos_irq_enable(struct cmos_rtc *cmos, unsigned char mask) in cmos_irq_enable() argument
373 cmos_checkintr(cmos, rtc_control); in cmos_irq_enable()
381 if (cmos->wake_on) in cmos_irq_enable()
382 cmos->wake_on(cmos->dev); in cmos_irq_enable()
385 cmos_checkintr(cmos, rtc_control); in cmos_irq_enable()
388 static void cmos_irq_disable(struct cmos_rtc *cmos, unsigned char mask) in cmos_irq_disable() argument
399 if (cmos->wake_off) in cmos_irq_disable()
400 cmos->wake_off(cmos->dev); in cmos_irq_disable()
403 cmos_checkintr(cmos, rtc_control); in cmos_irq_disable()
408 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_validate_alarm() local
413 if (!cmos->day_alrm) { in cmos_validate_alarm()
425 } else if (!cmos->mon_alrm) { in cmos_validate_alarm()
474 struct cmos_rtc *cmos; member
489 cmos_irq_disable(p->cmos, RTC_AIE); in cmos_set_alarm_callback()
497 if (p->cmos->day_alrm) { in cmos_set_alarm_callback()
498 CMOS_WRITE(p->mday, p->cmos->day_alrm); in cmos_set_alarm_callback()
499 if (p->cmos->mon_alrm) in cmos_set_alarm_callback()
500 CMOS_WRITE(p->mon, p->cmos->mon_alrm); in cmos_set_alarm_callback()
513 cmos_irq_enable(p->cmos, RTC_AIE); in cmos_set_alarm_callback()
518 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_set_alarm() local
520 .cmos = cmos, in cmos_set_alarm()
527 if (!is_valid_irq(cmos->irq)) in cmos_set_alarm()
562 cmos->alarm_expires = rtc_tm_to_time64(&t->time); in cmos_set_alarm()
569 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_alarm_irq_enable() local
575 cmos_irq_enable(cmos, RTC_AIE); in cmos_alarm_irq_enable()
577 cmos_irq_disable(cmos, RTC_AIE); in cmos_alarm_irq_enable()
587 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_procfs() local
613 cmos->rtc->irq_freq, in cmos_procfs()
666 struct cmos_rtc *cmos = priv; in cmos_nvram_write() local
679 if (off == cmos->day_alrm in cmos_nvram_write()
680 || off == cmos->mon_alrm in cmos_nvram_write()
681 || off == cmos->century) in cmos_nvram_write()
754 struct cmos_rtc *cmos = dev_get_drvdata(dev); in rtc_handler() local
766 cmos_interrupt(0, (void *)cmos->rtc); in rtc_handler()
776 rtc_update_irq(cmos->rtc, 1, rtc_intr); in rtc_handler()
876 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_check_acpi_rtc_status() local
891 rtc_update_irq(cmos->rtc, 1, mask); in cmos_check_acpi_rtc_status()
1050 /* force periodic irq to CMOS reset default of 1024Hz; in cmos_do_probe()
1159 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_do_remove() local
1162 cmos_do_shutdown(cmos->irq); in cmos_do_remove()
1164 if (is_valid_irq(cmos->irq)) { in cmos_do_remove()
1165 free_irq(cmos->irq, cmos->rtc); in cmos_do_remove()
1173 cmos->rtc = NULL; in cmos_do_remove()
1175 ports = cmos->iomem; in cmos_do_remove()
1180 cmos->iomem = NULL; in cmos_do_remove()
1182 cmos->dev = NULL; in cmos_do_remove()
1187 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_aie_poweroff() local
1193 if (!cmos->alarm_expires) in cmos_aie_poweroff()
1216 if (cmos->alarm_expires == t_now + 1) { in cmos_aie_poweroff()
1223 } else if (cmos->alarm_expires > t_now + 1) { in cmos_aie_poweroff()
1232 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_suspend() local
1237 cmos->suspend_ctrl = tmp = CMOS_READ(RTC_CONTROL); in cmos_suspend()
1249 cmos_checkintr(cmos, tmp); in cmos_suspend()
1254 cmos->enabled_wake = 1; in cmos_suspend()
1255 if (cmos->wake_on) in cmos_suspend()
1256 cmos->wake_on(dev); in cmos_suspend()
1258 enable_irq_wake(cmos->irq); in cmos_suspend()
1261 memset(&cmos->saved_wkalrm, 0, sizeof(struct rtc_wkalrm)); in cmos_suspend()
1262 cmos_read_alarm(dev, &cmos->saved_wkalrm); in cmos_suspend()
1287 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_check_wkalrm() local
1295 if (!(cmos->suspend_ctrl & RTC_AIE)) in cmos_check_wkalrm()
1305 if (t_now >= cmos->alarm_expires && cmos_use_acpi_alarm()) { in cmos_check_wkalrm()
1307 cmos_interrupt(0, (void *)cmos->rtc); in cmos_check_wkalrm()
1315 t_saved_expires = rtc_tm_to_time64(&cmos->saved_wkalrm.time); in cmos_check_wkalrm()
1317 cmos->saved_wkalrm.enabled != current_alarm.enabled) { in cmos_check_wkalrm()
1318 cmos_set_alarm(dev, &cmos->saved_wkalrm); in cmos_check_wkalrm()
1324 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_resume() local
1327 if (cmos->enabled_wake && !cmos_use_acpi_alarm()) { in cmos_resume()
1328 if (cmos->wake_off) in cmos_resume()
1329 cmos->wake_off(dev); in cmos_resume()
1331 disable_irq_wake(cmos->irq); in cmos_resume()
1332 cmos->enabled_wake = 0; in cmos_resume()
1339 tmp = cmos->suspend_ctrl; in cmos_resume()
1340 cmos->suspend_ctrl = 0; in cmos_resume()
1361 rtc_update_irq(cmos->rtc, 1, mask); in cmos_resume()
1380 /* On non-x86 systems, a "CMOS" RTC lives most naturally on platform_bus.
1421 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_pnp_shutdown() local
1430 cmos_do_shutdown(cmos->irq); in cmos_pnp_shutdown()
1517 struct cmos_rtc *cmos = dev_get_drvdata(dev); in cmos_platform_shutdown() local
1526 cmos_do_shutdown(cmos->irq); in cmos_platform_shutdown()
1588 MODULE_DESCRIPTION("Driver for PC-style 'CMOS' RTCs");