| H A D | rtc-davinci.c | 119 struct davinci_rtc { struct
125 static inline void rtcif_write(struct davinci_rtc *davinci_rtc, rtcif_write() argument
128 writel(val, davinci_rtc->base + addr); rtcif_write()
131 static inline u32 rtcif_read(struct davinci_rtc *davinci_rtc, u32 addr) rtcif_read() argument
133 return readl(davinci_rtc->base + addr); rtcif_read()
136 static inline void rtcif_wait(struct davinci_rtc *davinci_rtc) rtcif_wait() argument
138 while (rtcif_read(davinci_rtc, PRTCIF_CTLR) & PRTCIF_CTLR_BUSY) rtcif_wait()
142 static inline void rtcss_write(struct davinci_rtc *davinci_rtc, rtcss_write() argument
145 rtcif_wait(davinci_rtc); rtcss_write()
147 rtcif_write(davinci_rtc, PRTCIF_CTLR_BENL_LSB | addr, PRTCIF_CTLR); rtcss_write()
148 rtcif_write(davinci_rtc, val, PRTCIF_LDATA); rtcss_write()
150 rtcif_wait(davinci_rtc); rtcss_write()
153 static inline u8 rtcss_read(struct davinci_rtc *davinci_rtc, u8 addr) rtcss_read() argument
155 rtcif_wait(davinci_rtc); rtcss_read()
157 rtcif_write(davinci_rtc, PRTCIF_CTLR_DIR | PRTCIF_CTLR_BENL_LSB | addr, rtcss_read()
160 rtcif_wait(davinci_rtc); rtcss_read()
162 return rtcif_read(davinci_rtc, PRTCIF_LDATA); rtcss_read()
165 static inline void davinci_rtcss_calendar_wait(struct davinci_rtc *davinci_rtc) davinci_rtcss_calendar_wait() argument
167 while (rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL) & davinci_rtcss_calendar_wait()
174 struct davinci_rtc *davinci_rtc = class_dev; davinci_rtc_interrupt() local
181 irq_flg = rtcif_read(davinci_rtc, PRTCIF_INTFLG) & davinci_rtc_interrupt()
184 alm_irq = rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL) & davinci_rtc_interrupt()
187 tmr_irq = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL) & davinci_rtc_interrupt()
193 rtc_cctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL); davinci_rtc_interrupt()
195 rtcss_write(davinci_rtc, rtc_cctrl, PRTCSS_RTC_CCTRL); davinci_rtc_interrupt()
198 rtc_ctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL); davinci_rtc_interrupt()
200 rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL); davinci_rtc_interrupt()
203 rtcif_write(davinci_rtc, PRTCIF_INTFLG_RTCSS, davinci_rtc_interrupt()
205 rtc_update_irq(davinci_rtc->rtc, 1, events); davinci_rtc_interrupt()
216 struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); davinci_rtc_ioctl() local
223 rtc_ctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL); davinci_rtc_ioctl()
236 rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL); davinci_rtc_ioctl()
288 struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); davinci_rtc_read_time() local
295 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_time()
296 tm->tm_sec = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_SEC)); davinci_rtc_read_time()
298 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_time()
299 tm->tm_min = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_MIN)); davinci_rtc_read_time()
301 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_time()
302 tm->tm_hour = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_HOUR)); davinci_rtc_read_time()
304 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_time()
305 day0 = rtcss_read(davinci_rtc, PRTCSS_RTC_DAY0); davinci_rtc_read_time()
307 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_time()
308 day1 = rtcss_read(davinci_rtc, PRTCSS_RTC_DAY1); davinci_rtc_read_time()
324 struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); davinci_rtc_set_time() local
334 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_time()
335 rtcss_write(davinci_rtc, bin2bcd(tm->tm_sec), PRTCSS_RTC_SEC); davinci_rtc_set_time()
337 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_time()
338 rtcss_write(davinci_rtc, bin2bcd(tm->tm_min), PRTCSS_RTC_MIN); davinci_rtc_set_time()
340 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_time()
341 rtcss_write(davinci_rtc, bin2bcd(tm->tm_hour), PRTCSS_RTC_HOUR); davinci_rtc_set_time()
343 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_time()
344 rtcss_write(davinci_rtc, days & 0xFF, PRTCSS_RTC_DAY0); davinci_rtc_set_time()
346 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_time()
347 rtcss_write(davinci_rtc, (days & 0xFF00) >> 8, PRTCSS_RTC_DAY1); davinci_rtc_set_time()
349 rtc_cctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL); davinci_rtc_set_time()
351 rtcss_write(davinci_rtc, rtc_cctrl, PRTCSS_RTC_CCTRL); davinci_rtc_set_time()
361 struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); davinci_rtc_alarm_irq_enable() local
363 u8 rtc_cctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CCTRL); davinci_rtc_alarm_irq_enable()
376 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_alarm_irq_enable()
377 rtcss_write(davinci_rtc, rtc_cctrl, PRTCSS_RTC_CCTRL); davinci_rtc_alarm_irq_enable()
386 struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); davinci_rtc_read_alarm() local
393 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_alarm()
394 alm->time.tm_min = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_AMIN)); davinci_rtc_read_alarm()
396 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_alarm()
397 alm->time.tm_hour = bcd2bin(rtcss_read(davinci_rtc, PRTCSS_RTC_AHOUR)); davinci_rtc_read_alarm()
399 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_alarm()
400 day0 = rtcss_read(davinci_rtc, PRTCSS_RTC_ADAY0); davinci_rtc_read_alarm()
402 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_read_alarm()
403 day1 = rtcss_read(davinci_rtc, PRTCSS_RTC_ADAY1); davinci_rtc_read_alarm()
413 alm->pending = !!(rtcss_read(davinci_rtc, davinci_rtc_read_alarm()
423 struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev); davinci_rtc_set_alarm() local
453 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_alarm()
454 rtcss_write(davinci_rtc, bin2bcd(alm->time.tm_min), PRTCSS_RTC_AMIN); davinci_rtc_set_alarm()
456 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_alarm()
457 rtcss_write(davinci_rtc, bin2bcd(alm->time.tm_hour), PRTCSS_RTC_AHOUR); davinci_rtc_set_alarm()
459 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_alarm()
460 rtcss_write(davinci_rtc, days & 0xFF, PRTCSS_RTC_ADAY0); davinci_rtc_set_alarm()
462 davinci_rtcss_calendar_wait(davinci_rtc); davinci_rtc_set_alarm()
463 rtcss_write(davinci_rtc, (days & 0xFF00) >> 8, PRTCSS_RTC_ADAY1); davinci_rtc_set_alarm()
482 struct davinci_rtc *davinci_rtc; davinci_rtc_probe() local
486 davinci_rtc = devm_kzalloc(&pdev->dev, sizeof(struct davinci_rtc), GFP_KERNEL); davinci_rtc_probe()
487 if (!davinci_rtc) davinci_rtc_probe()
490 davinci_rtc->irq = platform_get_irq(pdev, 0); davinci_rtc_probe()
491 if (davinci_rtc->irq < 0) { davinci_rtc_probe()
493 return davinci_rtc->irq; davinci_rtc_probe()
497 davinci_rtc->base = devm_ioremap_resource(dev, res); davinci_rtc_probe()
498 if (IS_ERR(davinci_rtc->base)) davinci_rtc_probe()
499 return PTR_ERR(davinci_rtc->base); davinci_rtc_probe()
501 platform_set_drvdata(pdev, davinci_rtc); davinci_rtc_probe()
503 davinci_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name, davinci_rtc_probe()
505 if (IS_ERR(davinci_rtc->rtc)) { davinci_rtc_probe()
508 return PTR_ERR(davinci_rtc->rtc); davinci_rtc_probe()
511 rtcif_write(davinci_rtc, PRTCIF_INTFLG_RTCSS, PRTCIF_INTFLG); davinci_rtc_probe()
512 rtcif_write(davinci_rtc, 0, PRTCIF_INTEN); davinci_rtc_probe()
513 rtcss_write(davinci_rtc, 0, PRTCSS_RTC_INTC_EXTENA1); davinci_rtc_probe()
515 rtcss_write(davinci_rtc, 0, PRTCSS_RTC_CTRL); davinci_rtc_probe()
516 rtcss_write(davinci_rtc, 0, PRTCSS_RTC_CCTRL); davinci_rtc_probe()
518 ret = devm_request_irq(dev, davinci_rtc->irq, davinci_rtc_interrupt, davinci_rtc_probe()
519 0, "davinci_rtc", davinci_rtc); davinci_rtc_probe()
526 rtcif_write(davinci_rtc, PRTCIF_INTEN_RTCSS, PRTCIF_INTEN); davinci_rtc_probe()
527 rtcss_write(davinci_rtc, PRTCSS_RTC_INTC_EXTENA1_MASK, davinci_rtc_probe()
530 rtcss_write(davinci_rtc, PRTCSS_RTC_CCTRL_CAEN, PRTCSS_RTC_CCTRL); davinci_rtc_probe()
539 struct davinci_rtc *davinci_rtc = platform_get_drvdata(pdev); davinci_rtc_remove() local
543 rtcif_write(davinci_rtc, 0, PRTCIF_INTEN); davinci_rtc_remove()
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