Lines Matching refs:info
60 void (*irq_handler) (struct s3c_rtc *info, int mask);
61 void (*set_freq) (struct s3c_rtc *info, int freq);
62 void (*enable_tick) (struct s3c_rtc *info, struct seq_file *seq);
63 void (*select_tick_clk) (struct s3c_rtc *info);
64 void (*save_tick_cnt) (struct s3c_rtc *info);
65 void (*restore_tick_cnt) (struct s3c_rtc *info);
66 void (*enable) (struct s3c_rtc *info);
67 void (*disable) (struct s3c_rtc *info);
70 static void s3c_rtc_enable_clk(struct s3c_rtc *info) in s3c_rtc_enable_clk() argument
74 spin_lock_irqsave(&info->alarm_clk_lock, irq_flags); in s3c_rtc_enable_clk()
75 if (info->clk_disabled) { in s3c_rtc_enable_clk()
76 clk_enable(info->rtc_clk); in s3c_rtc_enable_clk()
77 if (info->data->needs_src_clk) in s3c_rtc_enable_clk()
78 clk_enable(info->rtc_src_clk); in s3c_rtc_enable_clk()
79 info->clk_disabled = false; in s3c_rtc_enable_clk()
81 spin_unlock_irqrestore(&info->alarm_clk_lock, irq_flags); in s3c_rtc_enable_clk()
84 static void s3c_rtc_disable_clk(struct s3c_rtc *info) in s3c_rtc_disable_clk() argument
88 spin_lock_irqsave(&info->alarm_clk_lock, irq_flags); in s3c_rtc_disable_clk()
89 if (!info->clk_disabled) { in s3c_rtc_disable_clk()
90 if (info->data->needs_src_clk) in s3c_rtc_disable_clk()
91 clk_disable(info->rtc_src_clk); in s3c_rtc_disable_clk()
92 clk_disable(info->rtc_clk); in s3c_rtc_disable_clk()
93 info->clk_disabled = true; in s3c_rtc_disable_clk()
95 spin_unlock_irqrestore(&info->alarm_clk_lock, irq_flags); in s3c_rtc_disable_clk()
101 struct s3c_rtc *info = (struct s3c_rtc *)id; in s3c_rtc_tickirq() local
103 if (info->data->irq_handler) in s3c_rtc_tickirq()
104 info->data->irq_handler(info, S3C2410_INTP_TIC); in s3c_rtc_tickirq()
111 struct s3c_rtc *info = (struct s3c_rtc *)id; in s3c_rtc_alarmirq() local
113 if (info->data->irq_handler) in s3c_rtc_alarmirq()
114 info->data->irq_handler(info, S3C2410_INTP_ALM); in s3c_rtc_alarmirq()
122 struct s3c_rtc *info = dev_get_drvdata(dev); in s3c_rtc_setaie() local
125 dev_dbg(info->dev, "%s: aie=%d\n", __func__, enabled); in s3c_rtc_setaie()
127 s3c_rtc_enable_clk(info); in s3c_rtc_setaie()
129 tmp = readb(info->base + S3C2410_RTCALM) & ~S3C2410_RTCALM_ALMEN; in s3c_rtc_setaie()
134 writeb(tmp, info->base + S3C2410_RTCALM); in s3c_rtc_setaie()
136 s3c_rtc_disable_clk(info); in s3c_rtc_setaie()
139 s3c_rtc_enable_clk(info); in s3c_rtc_setaie()
141 s3c_rtc_disable_clk(info); in s3c_rtc_setaie()
147 static int s3c_rtc_setfreq(struct s3c_rtc *info, int freq) in s3c_rtc_setfreq() argument
152 spin_lock_irq(&info->pie_lock); in s3c_rtc_setfreq()
154 if (info->data->set_freq) in s3c_rtc_setfreq()
155 info->data->set_freq(info, freq); in s3c_rtc_setfreq()
157 spin_unlock_irq(&info->pie_lock); in s3c_rtc_setfreq()
165 struct s3c_rtc *info = dev_get_drvdata(dev); in s3c_rtc_gettime() local
168 s3c_rtc_enable_clk(info); in s3c_rtc_gettime()
171 rtc_tm->tm_min = readb(info->base + S3C2410_RTCMIN); in s3c_rtc_gettime()
172 rtc_tm->tm_hour = readb(info->base + S3C2410_RTCHOUR); in s3c_rtc_gettime()
173 rtc_tm->tm_mday = readb(info->base + S3C2410_RTCDATE); in s3c_rtc_gettime()
174 rtc_tm->tm_mon = readb(info->base + S3C2410_RTCMON); in s3c_rtc_gettime()
175 rtc_tm->tm_year = readb(info->base + S3C2410_RTCYEAR); in s3c_rtc_gettime()
176 rtc_tm->tm_sec = readb(info->base + S3C2410_RTCSEC); in s3c_rtc_gettime()
195 s3c_rtc_disable_clk(info); in s3c_rtc_gettime()
210 struct s3c_rtc *info = dev_get_drvdata(dev); in s3c_rtc_settime() local
224 s3c_rtc_enable_clk(info); in s3c_rtc_settime()
226 writeb(bin2bcd(tm->tm_sec), info->base + S3C2410_RTCSEC); in s3c_rtc_settime()
227 writeb(bin2bcd(tm->tm_min), info->base + S3C2410_RTCMIN); in s3c_rtc_settime()
228 writeb(bin2bcd(tm->tm_hour), info->base + S3C2410_RTCHOUR); in s3c_rtc_settime()
229 writeb(bin2bcd(tm->tm_mday), info->base + S3C2410_RTCDATE); in s3c_rtc_settime()
230 writeb(bin2bcd(tm->tm_mon + 1), info->base + S3C2410_RTCMON); in s3c_rtc_settime()
231 writeb(bin2bcd(year), info->base + S3C2410_RTCYEAR); in s3c_rtc_settime()
233 s3c_rtc_disable_clk(info); in s3c_rtc_settime()
240 struct s3c_rtc *info = dev_get_drvdata(dev); in s3c_rtc_getalarm() local
244 s3c_rtc_enable_clk(info); in s3c_rtc_getalarm()
246 alm_tm->tm_sec = readb(info->base + S3C2410_ALMSEC); in s3c_rtc_getalarm()
247 alm_tm->tm_min = readb(info->base + S3C2410_ALMMIN); in s3c_rtc_getalarm()
248 alm_tm->tm_hour = readb(info->base + S3C2410_ALMHOUR); in s3c_rtc_getalarm()
249 alm_tm->tm_mon = readb(info->base + S3C2410_ALMMON); in s3c_rtc_getalarm()
250 alm_tm->tm_mday = readb(info->base + S3C2410_ALMDATE); in s3c_rtc_getalarm()
251 alm_tm->tm_year = readb(info->base + S3C2410_ALMYEAR); in s3c_rtc_getalarm()
253 alm_en = readb(info->base + S3C2410_RTCALM); in s3c_rtc_getalarm()
255 s3c_rtc_disable_clk(info); in s3c_rtc_getalarm()
302 struct s3c_rtc *info = dev_get_drvdata(dev); in s3c_rtc_setalarm() local
312 s3c_rtc_enable_clk(info); in s3c_rtc_setalarm()
314 alrm_en = readb(info->base + S3C2410_RTCALM) & S3C2410_RTCALM_ALMEN; in s3c_rtc_setalarm()
315 writeb(0x00, info->base + S3C2410_RTCALM); in s3c_rtc_setalarm()
319 writeb(bin2bcd(tm->tm_sec), info->base + S3C2410_ALMSEC); in s3c_rtc_setalarm()
324 writeb(bin2bcd(tm->tm_min), info->base + S3C2410_ALMMIN); in s3c_rtc_setalarm()
329 writeb(bin2bcd(tm->tm_hour), info->base + S3C2410_ALMHOUR); in s3c_rtc_setalarm()
334 writeb(bin2bcd(year), info->base + S3C2410_ALMYEAR); in s3c_rtc_setalarm()
339 writeb(bin2bcd(tm->tm_mon + 1), info->base + S3C2410_ALMMON); in s3c_rtc_setalarm()
344 writeb(bin2bcd(tm->tm_mday), info->base + S3C2410_ALMDATE); in s3c_rtc_setalarm()
349 writeb(alrm_en, info->base + S3C2410_RTCALM); in s3c_rtc_setalarm()
351 s3c_rtc_disable_clk(info); in s3c_rtc_setalarm()
360 struct s3c_rtc *info = dev_get_drvdata(dev); in s3c_rtc_proc() local
362 s3c_rtc_enable_clk(info); in s3c_rtc_proc()
364 if (info->data->enable_tick) in s3c_rtc_proc()
365 info->data->enable_tick(info, seq); in s3c_rtc_proc()
367 s3c_rtc_disable_clk(info); in s3c_rtc_proc()
381 static void s3c24xx_rtc_enable(struct s3c_rtc *info) in s3c24xx_rtc_enable() argument
385 con = readw(info->base + S3C2410_RTCCON); in s3c24xx_rtc_enable()
388 dev_info(info->dev, "rtc disabled, re-enabling\n"); in s3c24xx_rtc_enable()
390 tmp = readw(info->base + S3C2410_RTCCON); in s3c24xx_rtc_enable()
392 info->base + S3C2410_RTCCON); in s3c24xx_rtc_enable()
396 dev_info(info->dev, "removing RTCCON_CNTSEL\n"); in s3c24xx_rtc_enable()
398 tmp = readw(info->base + S3C2410_RTCCON); in s3c24xx_rtc_enable()
400 info->base + S3C2410_RTCCON); in s3c24xx_rtc_enable()
404 dev_info(info->dev, "removing RTCCON_CLKRST\n"); in s3c24xx_rtc_enable()
406 tmp = readw(info->base + S3C2410_RTCCON); in s3c24xx_rtc_enable()
408 info->base + S3C2410_RTCCON); in s3c24xx_rtc_enable()
412 static void s3c24xx_rtc_disable(struct s3c_rtc *info) in s3c24xx_rtc_disable() argument
416 con = readw(info->base + S3C2410_RTCCON); in s3c24xx_rtc_disable()
418 writew(con, info->base + S3C2410_RTCCON); in s3c24xx_rtc_disable()
420 con = readb(info->base + S3C2410_TICNT); in s3c24xx_rtc_disable()
422 writeb(con, info->base + S3C2410_TICNT); in s3c24xx_rtc_disable()
425 static void s3c6410_rtc_disable(struct s3c_rtc *info) in s3c6410_rtc_disable() argument
429 con = readw(info->base + S3C2410_RTCCON); in s3c6410_rtc_disable()
432 writew(con, info->base + S3C2410_RTCCON); in s3c6410_rtc_disable()
437 struct s3c_rtc *info = platform_get_drvdata(pdev); in s3c_rtc_remove() local
439 s3c_rtc_setaie(info->dev, 0); in s3c_rtc_remove()
441 if (info->data->needs_src_clk) in s3c_rtc_remove()
442 clk_unprepare(info->rtc_src_clk); in s3c_rtc_remove()
443 clk_unprepare(info->rtc_clk); in s3c_rtc_remove()
460 struct s3c_rtc *info = NULL; in s3c_rtc_probe() local
465 info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); in s3c_rtc_probe()
466 if (!info) in s3c_rtc_probe()
470 info->irq_tick = platform_get_irq(pdev, 1); in s3c_rtc_probe()
471 if (info->irq_tick < 0) { in s3c_rtc_probe()
473 return info->irq_tick; in s3c_rtc_probe()
476 info->dev = &pdev->dev; in s3c_rtc_probe()
477 info->data = s3c_rtc_get_data(pdev); in s3c_rtc_probe()
478 if (!info->data) { in s3c_rtc_probe()
482 spin_lock_init(&info->pie_lock); in s3c_rtc_probe()
483 spin_lock_init(&info->alarm_clk_lock); in s3c_rtc_probe()
485 platform_set_drvdata(pdev, info); in s3c_rtc_probe()
487 info->irq_alarm = platform_get_irq(pdev, 0); in s3c_rtc_probe()
488 if (info->irq_alarm < 0) { in s3c_rtc_probe()
490 return info->irq_alarm; in s3c_rtc_probe()
494 info->irq_tick, info->irq_alarm); in s3c_rtc_probe()
498 info->base = devm_ioremap_resource(&pdev->dev, res); in s3c_rtc_probe()
499 if (IS_ERR(info->base)) in s3c_rtc_probe()
500 return PTR_ERR(info->base); in s3c_rtc_probe()
502 info->rtc_clk = devm_clk_get(&pdev->dev, "rtc"); in s3c_rtc_probe()
503 if (IS_ERR(info->rtc_clk)) { in s3c_rtc_probe()
505 return PTR_ERR(info->rtc_clk); in s3c_rtc_probe()
507 clk_prepare_enable(info->rtc_clk); in s3c_rtc_probe()
509 if (info->data->needs_src_clk) { in s3c_rtc_probe()
510 info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src"); in s3c_rtc_probe()
511 if (IS_ERR(info->rtc_src_clk)) { in s3c_rtc_probe()
514 clk_disable_unprepare(info->rtc_clk); in s3c_rtc_probe()
515 return PTR_ERR(info->rtc_src_clk); in s3c_rtc_probe()
517 clk_prepare_enable(info->rtc_src_clk); in s3c_rtc_probe()
521 if (info->data->enable) in s3c_rtc_probe()
522 info->data->enable(info); in s3c_rtc_probe()
525 readw(info->base + S3C2410_RTCCON)); in s3c_rtc_probe()
544 info->rtc = devm_rtc_device_register(&pdev->dev, "s3c", &s3c_rtcops, in s3c_rtc_probe()
546 if (IS_ERR(info->rtc)) { in s3c_rtc_probe()
548 ret = PTR_ERR(info->rtc); in s3c_rtc_probe()
552 ret = devm_request_irq(&pdev->dev, info->irq_alarm, s3c_rtc_alarmirq, in s3c_rtc_probe()
553 0, "s3c2410-rtc alarm", info); in s3c_rtc_probe()
555 dev_err(&pdev->dev, "IRQ%d error %d\n", info->irq_alarm, ret); in s3c_rtc_probe()
559 ret = devm_request_irq(&pdev->dev, info->irq_tick, s3c_rtc_tickirq, in s3c_rtc_probe()
560 0, "s3c2410-rtc tick", info); in s3c_rtc_probe()
562 dev_err(&pdev->dev, "IRQ%d error %d\n", info->irq_tick, ret); in s3c_rtc_probe()
566 if (info->data->select_tick_clk) in s3c_rtc_probe()
567 info->data->select_tick_clk(info); in s3c_rtc_probe()
569 s3c_rtc_setfreq(info, 1); in s3c_rtc_probe()
571 s3c_rtc_disable_clk(info); in s3c_rtc_probe()
576 if (info->data->disable) in s3c_rtc_probe()
577 info->data->disable(info); in s3c_rtc_probe()
579 if (info->data->needs_src_clk) in s3c_rtc_probe()
580 clk_disable_unprepare(info->rtc_src_clk); in s3c_rtc_probe()
581 clk_disable_unprepare(info->rtc_clk); in s3c_rtc_probe()
590 struct s3c_rtc *info = dev_get_drvdata(dev); in s3c_rtc_suspend() local
592 s3c_rtc_enable_clk(info); in s3c_rtc_suspend()
595 if (info->data->save_tick_cnt) in s3c_rtc_suspend()
596 info->data->save_tick_cnt(info); in s3c_rtc_suspend()
598 if (info->data->disable) in s3c_rtc_suspend()
599 info->data->disable(info); in s3c_rtc_suspend()
601 if (device_may_wakeup(dev) && !info->wake_en) { in s3c_rtc_suspend()
602 if (enable_irq_wake(info->irq_alarm) == 0) in s3c_rtc_suspend()
603 info->wake_en = true; in s3c_rtc_suspend()
613 struct s3c_rtc *info = dev_get_drvdata(dev); in s3c_rtc_resume() local
615 if (info->data->enable) in s3c_rtc_resume()
616 info->data->enable(info); in s3c_rtc_resume()
618 if (info->data->restore_tick_cnt) in s3c_rtc_resume()
619 info->data->restore_tick_cnt(info); in s3c_rtc_resume()
621 s3c_rtc_disable_clk(info); in s3c_rtc_resume()
623 if (device_may_wakeup(dev) && info->wake_en) { in s3c_rtc_resume()
624 disable_irq_wake(info->irq_alarm); in s3c_rtc_resume()
625 info->wake_en = false; in s3c_rtc_resume()
633 static void s3c24xx_rtc_irq(struct s3c_rtc *info, int mask) in s3c24xx_rtc_irq() argument
635 rtc_update_irq(info->rtc, 1, RTC_AF | RTC_IRQF); in s3c24xx_rtc_irq()
638 static void s3c6410_rtc_irq(struct s3c_rtc *info, int mask) in s3c6410_rtc_irq() argument
640 rtc_update_irq(info->rtc, 1, RTC_AF | RTC_IRQF); in s3c6410_rtc_irq()
641 writeb(mask, info->base + S3C2410_INTP); in s3c6410_rtc_irq()
644 static void s3c2410_rtc_setfreq(struct s3c_rtc *info, int freq) in s3c2410_rtc_setfreq() argument
649 tmp = readb(info->base + S3C2410_TICNT); in s3c2410_rtc_setfreq()
652 val = (info->rtc->max_user_freq / freq) - 1; in s3c2410_rtc_setfreq()
655 writel(tmp, info->base + S3C2410_TICNT); in s3c2410_rtc_setfreq()
658 static void s3c2416_rtc_setfreq(struct s3c_rtc *info, int freq) in s3c2416_rtc_setfreq() argument
663 tmp = readb(info->base + S3C2410_TICNT); in s3c2416_rtc_setfreq()
666 val = (info->rtc->max_user_freq / freq) - 1; in s3c2416_rtc_setfreq()
669 writel(S3C2443_TICNT1_PART(val), info->base + S3C2443_TICNT1); in s3c2416_rtc_setfreq()
671 writel(S3C2416_TICNT2_PART(val), info->base + S3C2416_TICNT2); in s3c2416_rtc_setfreq()
673 writel(tmp, info->base + S3C2410_TICNT); in s3c2416_rtc_setfreq()
676 static void s3c2443_rtc_setfreq(struct s3c_rtc *info, int freq) in s3c2443_rtc_setfreq() argument
681 tmp = readb(info->base + S3C2410_TICNT); in s3c2443_rtc_setfreq()
684 val = (info->rtc->max_user_freq / freq) - 1; in s3c2443_rtc_setfreq()
687 writel(S3C2443_TICNT1_PART(val), info->base + S3C2443_TICNT1); in s3c2443_rtc_setfreq()
689 writel(tmp, info->base + S3C2410_TICNT); in s3c2443_rtc_setfreq()
692 static void s3c6410_rtc_setfreq(struct s3c_rtc *info, int freq) in s3c6410_rtc_setfreq() argument
696 val = (info->rtc->max_user_freq / freq) - 1; in s3c6410_rtc_setfreq()
697 writel(val, info->base + S3C2410_TICNT); in s3c6410_rtc_setfreq()
700 static void s3c24xx_rtc_enable_tick(struct s3c_rtc *info, struct seq_file *seq) in s3c24xx_rtc_enable_tick() argument
704 ticnt = readb(info->base + S3C2410_TICNT); in s3c24xx_rtc_enable_tick()
710 static void s3c2416_rtc_select_tick_clk(struct s3c_rtc *info) in s3c2416_rtc_select_tick_clk() argument
714 con = readw(info->base + S3C2410_RTCCON); in s3c2416_rtc_select_tick_clk()
716 writew(con, info->base + S3C2410_RTCCON); in s3c2416_rtc_select_tick_clk()
719 static void s3c6410_rtc_enable_tick(struct s3c_rtc *info, struct seq_file *seq) in s3c6410_rtc_enable_tick() argument
723 ticnt = readw(info->base + S3C2410_RTCCON); in s3c6410_rtc_enable_tick()
729 static void s3c24xx_rtc_save_tick_cnt(struct s3c_rtc *info) in s3c24xx_rtc_save_tick_cnt() argument
731 info->ticnt_save = readb(info->base + S3C2410_TICNT); in s3c24xx_rtc_save_tick_cnt()
734 static void s3c24xx_rtc_restore_tick_cnt(struct s3c_rtc *info) in s3c24xx_rtc_restore_tick_cnt() argument
736 writeb(info->ticnt_save, info->base + S3C2410_TICNT); in s3c24xx_rtc_restore_tick_cnt()
739 static void s3c6410_rtc_save_tick_cnt(struct s3c_rtc *info) in s3c6410_rtc_save_tick_cnt() argument
741 info->ticnt_en_save = readw(info->base + S3C2410_RTCCON); in s3c6410_rtc_save_tick_cnt()
742 info->ticnt_en_save &= S3C64XX_RTCCON_TICEN; in s3c6410_rtc_save_tick_cnt()
743 info->ticnt_save = readl(info->base + S3C2410_TICNT); in s3c6410_rtc_save_tick_cnt()
746 static void s3c6410_rtc_restore_tick_cnt(struct s3c_rtc *info) in s3c6410_rtc_restore_tick_cnt() argument
750 writel(info->ticnt_save, info->base + S3C2410_TICNT); in s3c6410_rtc_restore_tick_cnt()
751 if (info->ticnt_en_save) { in s3c6410_rtc_restore_tick_cnt()
752 con = readw(info->base + S3C2410_RTCCON); in s3c6410_rtc_restore_tick_cnt()
753 writew(con | info->ticnt_en_save, in s3c6410_rtc_restore_tick_cnt()
754 info->base + S3C2410_RTCCON); in s3c6410_rtc_restore_tick_cnt()