#include <linux/bcd.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/rtc.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/string.h>

Data Structures
struct	m41t80_data

Macros
#define	M41T80_REG_SSEC 0

#define	M41T80_REG_SEC 1

#define	M41T80_REG_MIN 2

#define	M41T80_REG_HOUR 3

#define	M41T80_REG_WDAY 4

#define	M41T80_REG_DAY 5

#define	M41T80_REG_MON 6

#define	M41T80_REG_YEAR 7

#define	M41T80_REG_ALARM_MON 0xa

#define	M41T80_REG_ALARM_DAY 0xb

#define	M41T80_REG_ALARM_HOUR 0xc

#define	M41T80_REG_ALARM_MIN 0xd

#define	M41T80_REG_ALARM_SEC 0xe

#define	M41T80_REG_FLAGS 0xf

#define	M41T80_REG_SQW 0x13

#define	M41T80_DATETIME_REG_SIZE (M41T80_REG_YEAR + 1)

#define	M41T80_ALARM_REG_SIZE (M41T80_REG_ALARM_SEC + 1 - M41T80_REG_ALARM_MON)

#define	M41T80_SEC_ST (1 << 7) /* ST: Stop Bit */

#define	M41T80_ALMON_AFE (1 << 7) /* AFE: AF Enable Bit */

#define	M41T80_ALMON_SQWE (1 << 6) /* SQWE: SQW Enable Bit */

#define	M41T80_ALHOUR_HT (1 << 6) /* HT: Halt Update Bit */

#define	M41T80_FLAGS_AF (1 << 6) /* AF: Alarm Flag Bit */

#define	M41T80_FLAGS_BATT_LOW (1 << 4) /* BL: Battery Low Bit */

#define	M41T80_WATCHDOG_RB2 (1 << 7) /* RB: Watchdog resolution */

#define	M41T80_WATCHDOG_RB1 (1 << 1) /* RB: Watchdog resolution */

#define	M41T80_WATCHDOG_RB0 (1 << 0) /* RB: Watchdog resolution */

#define	M41T80_FEATURE_HT (1 << 0) /* Halt feature */

#define	M41T80_FEATURE_BL (1 << 1) /* Battery low indicator */

#define	M41T80_FEATURE_SQ (1 << 2) /* Squarewave feature */

#define	M41T80_FEATURE_WD (1 << 3) /* Extra watchdog resolution */

#define	M41T80_FEATURE_SQ_ALT (1 << 4) /* RSx bits are in reg 4 */

#define	DRV_VERSION "0.05"

#define	m41t80_rtc_proc NULL

Functions
	MODULE_DEVICE_TABLE (i2c, m41t80_id)

	module_i2c_driver (m41t80_driver)

	MODULE_AUTHOR ("Alexander Bigga <[email protected]>")

	MODULE_DESCRIPTION ("ST Microelectronics M41T80 series RTC I2C Client Driver")

	MODULE_LICENSE ("GPL")

	MODULE_VERSION (DRV_VERSION)

Macro Definition Documentation

#define DRV_VERSION "0.05"

Definition at line 69 of file rtc-m41t80.c.

#define M41T80_ALARM_REG_SIZE (M41T80_REG_ALARM_SEC + 1 - M41T80_REG_ALARM_MON)

Definition at line 50 of file rtc-m41t80.c.

#define M41T80_ALHOUR_HT (1 << 6) /* HT: Halt Update Bit */

Definition at line 56 of file rtc-m41t80.c.

#define M41T80_ALMON_AFE (1 << 7) /* AFE: AF Enable Bit */

Definition at line 54 of file rtc-m41t80.c.

#define M41T80_ALMON_SQWE (1 << 6) /* SQWE: SQW Enable Bit */

Definition at line 55 of file rtc-m41t80.c.

#define M41T80_DATETIME_REG_SIZE (M41T80_REG_YEAR + 1)

Definition at line 49 of file rtc-m41t80.c.

#define M41T80_FEATURE_BL (1 << 1) /* Battery low indicator */

Definition at line 64 of file rtc-m41t80.c.

#define M41T80_FEATURE_HT (1 << 0) /* Halt feature */

Definition at line 63 of file rtc-m41t80.c.

#define M41T80_FEATURE_SQ (1 << 2) /* Squarewave feature */

Definition at line 65 of file rtc-m41t80.c.

#define M41T80_FEATURE_SQ_ALT (1 << 4) /* RSx bits are in reg 4 */

Definition at line 67 of file rtc-m41t80.c.

#define M41T80_FEATURE_WD (1 << 3) /* Extra watchdog resolution */

Definition at line 66 of file rtc-m41t80.c.

#define M41T80_FLAGS_AF (1 << 6) /* AF: Alarm Flag Bit */

Definition at line 57 of file rtc-m41t80.c.

#define M41T80_FLAGS_BATT_LOW (1 << 4) /* BL: Battery Low Bit */

Definition at line 58 of file rtc-m41t80.c.

#define M41T80_REG_ALARM_DAY 0xb

Definition at line 42 of file rtc-m41t80.c.

#define M41T80_REG_ALARM_HOUR 0xc

Definition at line 43 of file rtc-m41t80.c.

#define M41T80_REG_ALARM_MIN 0xd

Definition at line 44 of file rtc-m41t80.c.

#define M41T80_REG_ALARM_MON 0xa

Definition at line 41 of file rtc-m41t80.c.

#define M41T80_REG_ALARM_SEC 0xe

Definition at line 45 of file rtc-m41t80.c.

#define M41T80_REG_DAY 5

Definition at line 38 of file rtc-m41t80.c.

#define M41T80_REG_FLAGS 0xf

Definition at line 46 of file rtc-m41t80.c.

#define M41T80_REG_HOUR 3

Definition at line 36 of file rtc-m41t80.c.

#define M41T80_REG_MIN 2

Definition at line 35 of file rtc-m41t80.c.

#define M41T80_REG_MON 6

Definition at line 39 of file rtc-m41t80.c.

#define M41T80_REG_SEC 1

Definition at line 34 of file rtc-m41t80.c.

#define M41T80_REG_SQW 0x13

Definition at line 47 of file rtc-m41t80.c.

#define M41T80_REG_SSEC 0

Definition at line 33 of file rtc-m41t80.c.

#define M41T80_REG_WDAY 4

Definition at line 37 of file rtc-m41t80.c.

#define M41T80_REG_YEAR 7

Definition at line 40 of file rtc-m41t80.c.

#define m41t80_rtc_proc NULL

Definition at line 203 of file rtc-m41t80.c.

#define M41T80_SEC_ST (1 << 7) /* ST: Stop Bit */

Definition at line 53 of file rtc-m41t80.c.

#define M41T80_WATCHDOG_RB0 (1 << 0) /* RB: Watchdog resolution */

Definition at line 61 of file rtc-m41t80.c.

#define M41T80_WATCHDOG_RB1 (1 << 1) /* RB: Watchdog resolution */

Definition at line 60 of file rtc-m41t80.c.

#define M41T80_WATCHDOG_RB2 (1 << 7) /* RB: Watchdog resolution */

Definition at line 59 of file rtc-m41t80.c.

Function Documentation

MODULE_AUTHOR ( "Alexander Bigga <[email protected]>" )

MODULE_DESCRIPTION ( "ST Microelectronics M41T80 series RTC I2C Client Driver" )

MODULE_DEVICE_TABLE	(	i2c	,
		m41t80_id
	)

module_i2c_driver ( m41t80_driver )

MODULE_LICENSE ( "GPL" )

MODULE_VERSION ( DRV_VERSION )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation