#include <linux/module.h>
#include <linux/rtc.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/bcd.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/of.h>

Data Structures
struct	vt8500_rtc

Macros
#define	VT8500_RTC_TS 0x00 /* Time set */

#define	VT8500_RTC_DS 0x04 /* Date set */

#define	VT8500_RTC_AS 0x08 /* Alarm set */

#define	VT8500_RTC_CR 0x0c /* Control */

#define	VT8500_RTC_TR 0x10 /* Time read */

#define	VT8500_RTC_DR 0x14 /* Date read */

#define	VT8500_RTC_WS 0x18 /* Write status */

#define	VT8500_RTC_CL 0x20 /* Calibration */

#define	VT8500_RTC_IS 0x24 /* Interrupt status */

#define	VT8500_RTC_ST 0x28 /* Status */

#define	INVALID_TIME_BIT (1 << 31)

#define	DATE_CENTURY_S 19

#define	DATE_YEAR_S 11

#define	DATE_YEAR_MASK (0xff << DATE_YEAR_S)

#define	DATE_MONTH_S 6

#define	DATE_MONTH_MASK (0x1f << DATE_MONTH_S)

#define	DATE_DAY_MASK 0x3f

#define	TIME_DOW_S 20

#define	TIME_DOW_MASK (0x07 << TIME_DOW_S)

#define	TIME_HOUR_S 14

#define	TIME_HOUR_MASK (0x3f << TIME_HOUR_S)

#define	TIME_MIN_S 7

#define	TIME_MIN_MASK (0x7f << TIME_MIN_S)

#define	TIME_SEC_MASK 0x7f

#define	ALARM_DAY_S 20

#define	ALARM_DAY_MASK (0x3f << ALARM_DAY_S)

#define	ALARM_DAY_BIT (1 << 29)

#define	ALARM_HOUR_BIT (1 << 28)

#define	ALARM_MIN_BIT (1 << 27)

#define	ALARM_SEC_BIT (1 << 26)

#define	ALARM_ENABLE_MASK

#define	VT8500_RTC_CR_ENABLE (1 << 0) /* Enable RTC */

#define	VT8500_RTC_CR_24H (1 << 1) /* 24h time format */

#define	VT8500_RTC_CR_SM_ENABLE (1 << 2) /* Enable periodic irqs */

#define	VT8500_RTC_CR_SM_SEC (1 << 3) /* 0: 1Hz/60, 1: 1Hz */

#define	VT8500_RTC_CR_CALIB (1 << 4) /* Enable calibration */

#define	VT8500_RTC_IS_ALARM (1 << 0) /* Alarm interrupt status */

Functions
	module_platform_driver (vt8500_rtc_driver)

	MODULE_AUTHOR ("Alexey Charkov <[email protected]>")

	MODULE_DESCRIPTION ("VIA VT8500 SoC Realtime Clock Driver (RTC)")

	MODULE_LICENSE ("GPL v2")

	MODULE_ALIAS ("platform:vt8500-rtc")

Macro Definition Documentation

#define ALARM_DAY_BIT (1 << 29)

Definition at line 62 of file rtc-vt8500.c.

#define ALARM_DAY_MASK (0x3f << ALARM_DAY_S)

Definition at line 60 of file rtc-vt8500.c.

#define ALARM_DAY_S 20

Definition at line 59 of file rtc-vt8500.c.

#define ALARM_ENABLE_MASK

Value:

(ALARM_DAY_BIT \
                | ALARM_HOUR_BIT \
                | ALARM_MIN_BIT \
                | ALARM_SEC_BIT)

Definition at line 67 of file rtc-vt8500.c.

#define ALARM_HOUR_BIT (1 << 28)

Definition at line 63 of file rtc-vt8500.c.

#define ALARM_MIN_BIT (1 << 27)

Definition at line 64 of file rtc-vt8500.c.

#define ALARM_SEC_BIT (1 << 26)

Definition at line 65 of file rtc-vt8500.c.

#define DATE_CENTURY_S 19

Definition at line 44 of file rtc-vt8500.c.

#define DATE_DAY_MASK 0x3f

Definition at line 49 of file rtc-vt8500.c.

#define DATE_MONTH_MASK (0x1f << DATE_MONTH_S)

Definition at line 48 of file rtc-vt8500.c.

#define DATE_MONTH_S 6

Definition at line 47 of file rtc-vt8500.c.

#define DATE_YEAR_MASK (0xff << DATE_YEAR_S)

Definition at line 46 of file rtc-vt8500.c.

#define DATE_YEAR_S 11

Definition at line 45 of file rtc-vt8500.c.

#define INVALID_TIME_BIT (1 << 31)

Definition at line 42 of file rtc-vt8500.c.

#define TIME_DOW_MASK (0x07 << TIME_DOW_S)

Definition at line 52 of file rtc-vt8500.c.

#define TIME_DOW_S 20

Definition at line 51 of file rtc-vt8500.c.

#define TIME_HOUR_MASK (0x3f << TIME_HOUR_S)

Definition at line 54 of file rtc-vt8500.c.

#define TIME_HOUR_S 14

Definition at line 53 of file rtc-vt8500.c.

#define TIME_MIN_MASK (0x7f << TIME_MIN_S)

Definition at line 56 of file rtc-vt8500.c.

#define TIME_MIN_S 7

Definition at line 55 of file rtc-vt8500.c.

#define TIME_SEC_MASK 0x7f

Definition at line 57 of file rtc-vt8500.c.

#define VT8500_RTC_AS 0x08 /* Alarm set */

Definition at line 33 of file rtc-vt8500.c.

#define VT8500_RTC_CL 0x20 /* Calibration */

Definition at line 38 of file rtc-vt8500.c.

#define VT8500_RTC_CR 0x0c /* Control */

Definition at line 34 of file rtc-vt8500.c.

#define VT8500_RTC_CR_24H (1 << 1) /* 24h time format */

Definition at line 73 of file rtc-vt8500.c.

#define VT8500_RTC_CR_CALIB (1 << 4) /* Enable calibration */

Definition at line 76 of file rtc-vt8500.c.

#define VT8500_RTC_CR_ENABLE (1 << 0) /* Enable RTC */

Definition at line 72 of file rtc-vt8500.c.

#define VT8500_RTC_CR_SM_ENABLE (1 << 2) /* Enable periodic irqs */

Definition at line 74 of file rtc-vt8500.c.

#define VT8500_RTC_CR_SM_SEC (1 << 3) /* 0: 1Hz/60, 1: 1Hz */

Definition at line 75 of file rtc-vt8500.c.

#define VT8500_RTC_DR 0x14 /* Date read */

Definition at line 36 of file rtc-vt8500.c.

#define VT8500_RTC_DS 0x04 /* Date set */

Definition at line 32 of file rtc-vt8500.c.

#define VT8500_RTC_IS 0x24 /* Interrupt status */

Definition at line 39 of file rtc-vt8500.c.

#define VT8500_RTC_IS_ALARM (1 << 0) /* Alarm interrupt status */

Definition at line 78 of file rtc-vt8500.c.

#define VT8500_RTC_ST 0x28 /* Status */

Definition at line 40 of file rtc-vt8500.c.

#define VT8500_RTC_TR 0x10 /* Time read */

Definition at line 35 of file rtc-vt8500.c.

#define VT8500_RTC_TS 0x00 /* Time set */

Definition at line 31 of file rtc-vt8500.c.

#define VT8500_RTC_WS 0x18 /* Write status */

Definition at line 37 of file rtc-vt8500.c.

Function Documentation

MODULE_ALIAS ( "platform:vt8500-rtc" )

MODULE_AUTHOR ( "Alexey Charkov <[email protected]>" )

MODULE_DESCRIPTION ( "VIA VT8500 SoC Realtime Clock Driver (RTC)" )

MODULE_LICENSE ( "GPL v2" )

module_platform_driver ( vt8500_rtc_driver )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation