X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=drivers%2Frtc%2Frtc-s3c.c;h=cf953ecbfca934e8b9c7058f976610ff092016ae;hb=c0f62edd400115e54c52692c1dc6f5bf58ea0ba6;hp=f57a87f4ae96abb367a2e08d353378b31f2a19fa;hpb=02f36038c568111ad4fc433f6fa760ff5e38fab4;p=pandora-kernel.git

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index f57a87f4ae96..cf953ecbfca9 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -100,7 +100,7 @@ static int s3c_rtc_setpie(struct device *dev, int enabled)
 	spin_lock_irq(&s3c_rtc_pie_lock);
 
 	if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
-		tmp = readb(s3c_rtc_base + S3C2410_RTCCON);
+		tmp = readw(s3c_rtc_base + S3C2410_RTCCON);
 		tmp &= ~S3C64XX_RTCCON_TICEN;
 
 		if (enabled)
@@ -171,8 +171,8 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 		goto retry_get_time;
 	}
 
-	pr_debug("read time %02x.%02x.%02x %02x/%02x/%02x\n",
-		 rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
+	pr_debug("read time %04d.%02d.%02d %02d:%02d:%02d\n",
+		 1900 + rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
 		 rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec);
 
 	rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
@@ -185,7 +185,7 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 	rtc_tm->tm_year += 100;
 	rtc_tm->tm_mon -= 1;
 
-	return 0;
+	return rtc_valid_tm(rtc_tm);
 }
 
 static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
@@ -193,8 +193,8 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
 	void __iomem *base = s3c_rtc_base;
 	int year = tm->tm_year - 100;
 
-	pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n",
-		 tm->tm_year, tm->tm_mon, tm->tm_mday,
+	pr_debug("set time %04d.%02d.%02d %02d:%02d:%02d\n",
+		 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
 		 tm->tm_hour, tm->tm_min, tm->tm_sec);
 
 	/* we get around y2k by simply not supporting it */
@@ -231,9 +231,9 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 	alrm->enabled = (alm_en & S3C2410_RTCALM_ALMEN) ? 1 : 0;
 
-	pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n",
+	pr_debug("read alarm %d, %04d.%02d.%02d %02d:%02d:%02d\n",
 		 alm_en,
-		 alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday,
+		 1900 + alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday,
 		 alm_tm->tm_hour, alm_tm->tm_min, alm_tm->tm_sec);
 
 
@@ -242,34 +242,34 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	if (alm_en & S3C2410_RTCALM_SECEN)
 		alm_tm->tm_sec = bcd2bin(alm_tm->tm_sec);
 	else
-		alm_tm->tm_sec = 0xff;
+		alm_tm->tm_sec = -1;
 
 	if (alm_en & S3C2410_RTCALM_MINEN)
 		alm_tm->tm_min = bcd2bin(alm_tm->tm_min);
 	else
-		alm_tm->tm_min = 0xff;
+		alm_tm->tm_min = -1;
 
 	if (alm_en & S3C2410_RTCALM_HOUREN)
 		alm_tm->tm_hour = bcd2bin(alm_tm->tm_hour);
 	else
-		alm_tm->tm_hour = 0xff;
+		alm_tm->tm_hour = -1;
 
 	if (alm_en & S3C2410_RTCALM_DAYEN)
 		alm_tm->tm_mday = bcd2bin(alm_tm->tm_mday);
 	else
-		alm_tm->tm_mday = 0xff;
+		alm_tm->tm_mday = -1;
 
 	if (alm_en & S3C2410_RTCALM_MONEN) {
 		alm_tm->tm_mon = bcd2bin(alm_tm->tm_mon);
 		alm_tm->tm_mon -= 1;
 	} else {
-		alm_tm->tm_mon = 0xff;
+		alm_tm->tm_mon = -1;
 	}
 
 	if (alm_en & S3C2410_RTCALM_YEAREN)
 		alm_tm->tm_year = bcd2bin(alm_tm->tm_year);
 	else
-		alm_tm->tm_year = 0xffff;
+		alm_tm->tm_year = -1;
 
 	return 0;
 }
@@ -280,10 +280,10 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	void __iomem *base = s3c_rtc_base;
 	unsigned int alrm_en;
 
-	pr_debug("s3c_rtc_setalarm: %d, %02x/%02x/%02x %02x.%02x.%02x\n",
+	pr_debug("s3c_rtc_setalarm: %d, %04d.%02d.%02d %02d:%02d:%02d\n",
 		 alrm->enabled,
-		 tm->tm_mday & 0xff, tm->tm_mon & 0xff, tm->tm_year & 0xff,
-		 tm->tm_hour & 0xff, tm->tm_min & 0xff, tm->tm_sec);
+		 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
+		 tm->tm_hour, tm->tm_min, tm->tm_sec);
 
 
 	alrm_en = readb(base + S3C2410_RTCALM) & S3C2410_RTCALM_ALMEN;
@@ -318,7 +318,7 @@ static int s3c_rtc_proc(struct device *dev, struct seq_file *seq)
 	unsigned int ticnt;
 
 	if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
-		ticnt = readb(s3c_rtc_base + S3C2410_RTCCON);
+		ticnt = readw(s3c_rtc_base + S3C2410_RTCCON);
 		ticnt &= S3C64XX_RTCCON_TICEN;
 	} else {
 		ticnt = readb(s3c_rtc_base + S3C2410_TICNT);
@@ -379,7 +379,8 @@ static const struct rtc_class_ops s3c_rtcops = {
 	.set_alarm	= s3c_rtc_setalarm,
 	.irq_set_freq	= s3c_rtc_setfreq,
 	.irq_set_state	= s3c_rtc_setpie,
-	.proc	        = s3c_rtc_proc,
+	.proc		= s3c_rtc_proc,
+	.alarm_irq_enable = s3c_rtc_setaie,
 };
 
 static void s3c_rtc_enable(struct platform_device *pdev, int en)
@@ -391,11 +392,11 @@ static void s3c_rtc_enable(struct platform_device *pdev, int en)
 		return;
 
 	if (!en) {
-		tmp = readb(base + S3C2410_RTCCON);
+		tmp = readw(base + S3C2410_RTCCON);
 		if (s3c_rtc_cpu_type == TYPE_S3C64XX)
 			tmp &= ~S3C64XX_RTCCON_TICEN;
 		tmp &= ~S3C2410_RTCCON_RTCEN;
-		writeb(tmp, base + S3C2410_RTCCON);
+		writew(tmp, base + S3C2410_RTCCON);
 
 		if (s3c_rtc_cpu_type == TYPE_S3C2410) {
 			tmp = readb(base + S3C2410_TICNT);
@@ -405,25 +406,28 @@ static void s3c_rtc_enable(struct platform_device *pdev, int en)
 	} else {
 		/* re-enable the device, and check it is ok */
 
-		if ((readb(base+S3C2410_RTCCON) & S3C2410_RTCCON_RTCEN) == 0){
+		if ((readw(base+S3C2410_RTCCON) & S3C2410_RTCCON_RTCEN) == 0) {
 			dev_info(&pdev->dev, "rtc disabled, re-enabling\n");
 
-			tmp = readb(base + S3C2410_RTCCON);
-			writeb(tmp|S3C2410_RTCCON_RTCEN, base+S3C2410_RTCCON);
+			tmp = readw(base + S3C2410_RTCCON);
+			writew(tmp | S3C2410_RTCCON_RTCEN,
+				base + S3C2410_RTCCON);
 		}
 
-		if ((readb(base + S3C2410_RTCCON) & S3C2410_RTCCON_CNTSEL)){
+		if ((readw(base + S3C2410_RTCCON) & S3C2410_RTCCON_CNTSEL)) {
 			dev_info(&pdev->dev, "removing RTCCON_CNTSEL\n");
 
-			tmp = readb(base + S3C2410_RTCCON);
-			writeb(tmp& ~S3C2410_RTCCON_CNTSEL, base+S3C2410_RTCCON);
+			tmp = readw(base + S3C2410_RTCCON);
+			writew(tmp & ~S3C2410_RTCCON_CNTSEL,
+				base + S3C2410_RTCCON);
 		}
 
-		if ((readb(base + S3C2410_RTCCON) & S3C2410_RTCCON_CLKRST)){
+		if ((readw(base + S3C2410_RTCCON) & S3C2410_RTCCON_CLKRST)) {
 			dev_info(&pdev->dev, "removing RTCCON_CLKRST\n");
 
-			tmp = readb(base + S3C2410_RTCCON);
-			writeb(tmp & ~S3C2410_RTCCON_CLKRST, base+S3C2410_RTCCON);
+			tmp = readw(base + S3C2410_RTCCON);
+			writew(tmp & ~S3C2410_RTCCON_CLKRST,
+				base + S3C2410_RTCCON);
 		}
 	}
 }
@@ -452,8 +456,8 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev)
 static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
+	struct rtc_time rtc_tm;
 	struct resource *res;
-	unsigned int tmp, i;
 	int ret;
 
 	pr_debug("%s: probe=%p\n", __func__, pdev);
@@ -514,8 +518,8 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 
 	s3c_rtc_enable(pdev, 1);
 
- 	pr_debug("s3c2410_rtc: RTCCON=%02x\n",
-		 readb(s3c_rtc_base + S3C2410_RTCCON));
+	pr_debug("s3c2410_rtc: RTCCON=%02x\n",
+		 readw(s3c_rtc_base + S3C2410_RTCCON));
 
 	device_init_wakeup(&pdev->dev, 1);
 
@@ -534,11 +538,19 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
 
 	/* Check RTC Time */
 
-	for (i = S3C2410_RTCSEC; i <= S3C2410_RTCYEAR; i += 0x4) {
-		tmp = readb(s3c_rtc_base + i);
+	s3c_rtc_gettime(NULL, &rtc_tm);
+
+	if (rtc_valid_tm(&rtc_tm)) {
+		rtc_tm.tm_year	= 100;
+		rtc_tm.tm_mon	= 0;
+		rtc_tm.tm_mday	= 1;
+		rtc_tm.tm_hour	= 0;
+		rtc_tm.tm_min	= 0;
+		rtc_tm.tm_sec	= 0;
+
+		s3c_rtc_settime(NULL, &rtc_tm);
 
-		if ((tmp & 0xf) > 0x9 || ((tmp >> 4) & 0xf) > 0x9)
-			writeb(0, s3c_rtc_base + i);
+		dev_warn(&pdev->dev, "warning: invalid RTC value so initializing it\n");
 	}
 
 	if (s3c_rtc_cpu_type == TYPE_S3C64XX)
@@ -578,7 +590,7 @@ static int s3c_rtc_suspend(struct platform_device *pdev, pm_message_t state)
 	/* save TICNT for anyone using periodic interrupts */
 	ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT);
 	if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
-		ticnt_en_save = readb(s3c_rtc_base + S3C2410_RTCCON);
+		ticnt_en_save = readw(s3c_rtc_base + S3C2410_RTCCON);
 		ticnt_en_save &= S3C64XX_RTCCON_TICEN;
 	}
 	s3c_rtc_enable(pdev, 0);
@@ -596,8 +608,8 @@ static int s3c_rtc_resume(struct platform_device *pdev)
 	s3c_rtc_enable(pdev, 1);
 	writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT);
 	if (s3c_rtc_cpu_type == TYPE_S3C64XX && ticnt_en_save) {
-		tmp = readb(s3c_rtc_base + S3C2410_RTCCON);
-		writeb(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON);
+		tmp = readw(s3c_rtc_base + S3C2410_RTCCON);
+		writew(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON);
 	}
 
 	if (device_may_wakeup(&pdev->dev))