#include <linux/types.h>
#include <linux/bcd.h>
#include <linux/rtc-v3020.h>
+#include <linux/delay.h>
#include <asm/io.h>
for (i = 0; i < 4; i++) {
writel((tmp & 1) << chip->leftshift, chip->ioaddress);
tmp >>= 1;
+ udelay(1);
}
/* Commands dont have data */
for (i = 0; i < 8; i++) {
writel((data & 1) << chip->leftshift, chip->ioaddress);
data >>= 1;
+ udelay(1);
}
}
}
for (i = 0; i < 4; i++) {
writel((address & 1) << chip->leftshift, chip->ioaddress);
address >>= 1;
+ udelay(1);
}
for (i = 0; i < 8; i++) {
data >>= 1;
if (readl(chip->ioaddress) & (1 << chip->leftshift))
data |= 0x80;
+ udelay(1);
}
return data;
/* ...and then read constant values. */
tmp = v3020_get_reg(chip, V3020_SECONDS);
- dt->tm_sec = BCD2BIN(tmp);
+ dt->tm_sec = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_MINUTES);
- dt->tm_min = BCD2BIN(tmp);
+ dt->tm_min = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_HOURS);
- dt->tm_hour = BCD2BIN(tmp);
+ dt->tm_hour = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_MONTH_DAY);
- dt->tm_mday = BCD2BIN(tmp);
+ dt->tm_mday = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_MONTH);
- dt->tm_mon = BCD2BIN(tmp);
+ dt->tm_mon = bcd2bin(tmp) - 1;
tmp = v3020_get_reg(chip, V3020_WEEK_DAY);
- dt->tm_wday = BCD2BIN(tmp);
+ dt->tm_wday = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_YEAR);
- dt->tm_year = BCD2BIN(tmp)+100;
+ dt->tm_year = bcd2bin(tmp)+100;
#ifdef DEBUG
- printk("\n%s : Read RTC values\n",__FUNCTION__);
+ printk("\n%s : Read RTC values\n",__func__);
printk("tm_hour: %i\n",dt->tm_hour);
printk("tm_min : %i\n",dt->tm_min);
printk("tm_sec : %i\n",dt->tm_sec);
struct v3020 *chip = dev_get_drvdata(dev);
#ifdef DEBUG
- printk("\n%s : Setting RTC values\n",__FUNCTION__);
+ printk("\n%s : Setting RTC values\n",__func__);
printk("tm_sec : %i\n",dt->tm_sec);
printk("tm_min : %i\n",dt->tm_min);
printk("tm_hour: %i\n",dt->tm_hour);
#endif
/* Write all the values to ram... */
- v3020_set_reg(chip, V3020_SECONDS, BIN2BCD(dt->tm_sec));
- v3020_set_reg(chip, V3020_MINUTES, BIN2BCD(dt->tm_min));
- v3020_set_reg(chip, V3020_HOURS, BIN2BCD(dt->tm_hour));
- v3020_set_reg(chip, V3020_MONTH_DAY, BIN2BCD(dt->tm_mday));
- v3020_set_reg(chip, V3020_MONTH, BIN2BCD(dt->tm_mon));
- v3020_set_reg(chip, V3020_WEEK_DAY, BIN2BCD(dt->tm_wday));
- v3020_set_reg(chip, V3020_YEAR, BIN2BCD(dt->tm_year % 100));
+ v3020_set_reg(chip, V3020_SECONDS, bin2bcd(dt->tm_sec));
+ v3020_set_reg(chip, V3020_MINUTES, bin2bcd(dt->tm_min));
+ v3020_set_reg(chip, V3020_HOURS, bin2bcd(dt->tm_hour));
+ v3020_set_reg(chip, V3020_MONTH_DAY, bin2bcd(dt->tm_mday));
+ v3020_set_reg(chip, V3020_MONTH, bin2bcd(dt->tm_mon + 1));
+ v3020_set_reg(chip, V3020_WEEK_DAY, bin2bcd(dt->tm_wday));
+ v3020_set_reg(chip, V3020_YEAR, bin2bcd(dt->tm_year % 100));
/* ...and set the clock. */
v3020_set_reg(chip, V3020_CMD_RAM2CLOCK, 0);
return 0;
}
-static struct rtc_class_ops v3020_rtc_ops = {
+static const struct rtc_class_ops v3020_rtc_ops = {
.read_time = v3020_read_time,
.set_time = v3020_set_time,
};
* are all disabled */
v3020_set_reg(chip, V3020_STATUS_0, 0x0);
- dev_info(&pdev->dev, "Chip available at physical address 0x%p,"
+ dev_info(&pdev->dev, "Chip available at physical address 0x%llx,"
"data connected to D%d\n",
- (void*)pdev->resource[0].start,
+ (unsigned long long)pdev->resource[0].start,
chip->leftshift);
platform_set_drvdata(pdev, chip);
MODULE_DESCRIPTION("V3020 RTC");
MODULE_AUTHOR("Raphael Assenat");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:v3020");