#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/string.h>
#include <linux/rtc.h>
#include <linux/bcd.h>
#include <linux/rtc/ds1307.h>

Data Structures
struct	ds1307

struct	chip_desc

Macros
#define	DS1307_REG_SECS 0x00 /* 00-59 */

#define	DS1307_BIT_CH 0x80

#define	DS1340_BIT_nEOSC 0x80

#define	MCP7941X_BIT_ST 0x80

#define	DS1307_REG_MIN 0x01 /* 00-59 */

#define	DS1307_REG_HOUR 0x02 /* 00-23, or 1-12{am,pm} */

#define	DS1307_BIT_12HR 0x40 /* in REG_HOUR */

#define	DS1307_BIT_PM 0x20 /* in REG_HOUR */

#define	DS1340_BIT_CENTURY_EN 0x80 /* in REG_HOUR */

#define	DS1340_BIT_CENTURY 0x40 /* in REG_HOUR */

#define	DS1307_REG_WDAY 0x03 /* 01-07 */

#define	MCP7941X_BIT_VBATEN 0x08

#define	DS1307_REG_MDAY 0x04 /* 01-31 */

#define	DS1307_REG_MONTH 0x05 /* 01-12 */

#define	DS1337_BIT_CENTURY 0x80 /* in REG_MONTH */

#define	DS1307_REG_YEAR 0x06 /* 00-99 */

#define	DS1307_REG_CONTROL 0x07 /* or ds1338 */

#define	DS1307_BIT_OUT 0x80

#define	DS1338_BIT_OSF 0x20

#define	DS1307_BIT_SQWE 0x10

#define	DS1307_BIT_RS1 0x02

#define	DS1307_BIT_RS0 0x01

#define	DS1337_REG_CONTROL 0x0e

#define	DS1337_BIT_nEOSC 0x80

#define	DS1339_BIT_BBSQI 0x20

#define	DS3231_BIT_BBSQW 0x40 /* same as BBSQI */

#define	DS1337_BIT_RS2 0x10

#define	DS1337_BIT_RS1 0x08

#define	DS1337_BIT_INTCN 0x04

#define	DS1337_BIT_A2IE 0x02

#define	DS1337_BIT_A1IE 0x01

#define	DS1340_REG_CONTROL 0x07

#define	DS1340_BIT_OUT 0x80

#define	DS1340_BIT_FT 0x40

#define	DS1340_BIT_CALIB_SIGN 0x20

#define	DS1340_M_CALIBRATION 0x1f

#define	DS1340_REG_FLAG 0x09

#define	DS1340_BIT_OSF 0x80

#define	DS1337_REG_STATUS 0x0f

#define	DS1337_BIT_OSF 0x80

#define	DS1337_BIT_A2I 0x02

#define	DS1337_BIT_A1I 0x01

#define	DS1339_REG_ALARM1_SECS 0x07

#define	DS13XX_TRICKLE_CHARGER_MAGIC 0xa0

#define	RX8025_REG_CTRL1 0x0e

#define	RX8025_BIT_2412 0x20

#define	RX8025_REG_CTRL2 0x0f

#define	RX8025_BIT_PON 0x10

#define	RX8025_BIT_VDET 0x40

#define	RX8025_BIT_XST 0x20

#define	HAS_NVRAM 0 /* bit 0 == sysfs file active */

#define	HAS_ALARM 1 /* bit 1 == irq claimed */

#define	BLOCK_DATA_MAX_TRIES 10

Enumerations
enum	ds_type { ds_1307, ds_1337, ds_1338, ds_1339, ds_1340, ds_1388, ds_3231, m41t00, mcp7941x, rx_8025, last_ds_type }

Functions
	MODULE_DEVICE_TABLE (i2c, ds1307_id)

	module_i2c_driver (ds1307_driver)

	MODULE_DESCRIPTION ("RTC driver for DS1307 and similar chips")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define BLOCK_DATA_MAX_TRIES 10

Definition at line 180 of file rtc-ds1307.c.

#define DS1307_BIT_12HR 0x40 /* in REG_HOUR */

Definition at line 51 of file rtc-ds1307.c.

#define DS1307_BIT_CH 0x80

Definition at line 46 of file rtc-ds1307.c.

#define DS1307_BIT_OUT 0x80

Definition at line 68 of file rtc-ds1307.c.

#define DS1307_BIT_PM 0x20 /* in REG_HOUR */

Definition at line 52 of file rtc-ds1307.c.

#define DS1307_BIT_RS0 0x01

Definition at line 72 of file rtc-ds1307.c.

#define DS1307_BIT_RS1 0x02

Definition at line 71 of file rtc-ds1307.c.

#define DS1307_BIT_SQWE 0x10

Definition at line 70 of file rtc-ds1307.c.

#define DS1307_REG_CONTROL 0x07 /* or ds1338 */

Definition at line 67 of file rtc-ds1307.c.

#define DS1307_REG_HOUR 0x02 /* 00-23, or 1-12{am,pm} */

Definition at line 50 of file rtc-ds1307.c.

#define DS1307_REG_MDAY 0x04 /* 01-31 */

Definition at line 57 of file rtc-ds1307.c.

#define DS1307_REG_MIN 0x01 /* 00-59 */

Definition at line 49 of file rtc-ds1307.c.

#define DS1307_REG_MONTH 0x05 /* 01-12 */

Definition at line 58 of file rtc-ds1307.c.

#define DS1307_REG_SECS 0x00 /* 00-59 */

Definition at line 45 of file rtc-ds1307.c.

#define DS1307_REG_WDAY 0x03 /* 01-07 */

Definition at line 55 of file rtc-ds1307.c.

#define DS1307_REG_YEAR 0x06 /* 00-99 */

Definition at line 60 of file rtc-ds1307.c.

#define DS1337_BIT_A1I 0x01

Definition at line 92 of file rtc-ds1307.c.

#define DS1337_BIT_A1IE 0x01

Definition at line 81 of file rtc-ds1307.c.

#define DS1337_BIT_A2I 0x02

Definition at line 91 of file rtc-ds1307.c.

#define DS1337_BIT_A2IE 0x02

Definition at line 80 of file rtc-ds1307.c.

#define DS1337_BIT_CENTURY 0x80 /* in REG_MONTH */

Definition at line 59 of file rtc-ds1307.c.

#define DS1337_BIT_INTCN 0x04

Definition at line 79 of file rtc-ds1307.c.

#define DS1337_BIT_nEOSC 0x80

Definition at line 74 of file rtc-ds1307.c.

#define DS1337_BIT_OSF 0x80

Definition at line 90 of file rtc-ds1307.c.

#define DS1337_BIT_RS1 0x08

Definition at line 78 of file rtc-ds1307.c.

#define DS1337_BIT_RS2 0x10

Definition at line 77 of file rtc-ds1307.c.

#define DS1337_REG_CONTROL 0x0e

Definition at line 73 of file rtc-ds1307.c.

#define DS1337_REG_STATUS 0x0f

Definition at line 89 of file rtc-ds1307.c.

#define DS1338_BIT_OSF 0x20

Definition at line 69 of file rtc-ds1307.c.

#define DS1339_BIT_BBSQI 0x20

Definition at line 75 of file rtc-ds1307.c.

#define DS1339_REG_ALARM1_SECS 0x07

Definition at line 93 of file rtc-ds1307.c.

#define DS1340_BIT_CALIB_SIGN 0x20

Definition at line 85 of file rtc-ds1307.c.

#define DS1340_BIT_CENTURY 0x40 /* in REG_HOUR */

Definition at line 54 of file rtc-ds1307.c.

#define DS1340_BIT_CENTURY_EN 0x80 /* in REG_HOUR */

Definition at line 53 of file rtc-ds1307.c.

#define DS1340_BIT_FT 0x40

Definition at line 84 of file rtc-ds1307.c.

#define DS1340_BIT_nEOSC 0x80

Definition at line 47 of file rtc-ds1307.c.

#define DS1340_BIT_OSF 0x80

Definition at line 88 of file rtc-ds1307.c.

#define DS1340_BIT_OUT 0x80

Definition at line 83 of file rtc-ds1307.c.

#define DS1340_M_CALIBRATION 0x1f

Definition at line 86 of file rtc-ds1307.c.

#define DS1340_REG_CONTROL 0x07

Definition at line 82 of file rtc-ds1307.c.

#define DS1340_REG_FLAG 0x09

Definition at line 87 of file rtc-ds1307.c.

#define DS13XX_TRICKLE_CHARGER_MAGIC 0xa0

Definition at line 95 of file rtc-ds1307.c.

#define DS3231_BIT_BBSQW 0x40 /* same as BBSQI */

Definition at line 76 of file rtc-ds1307.c.

#define HAS_ALARM 1 /* bit 1 == irq claimed */

Definition at line 113 of file rtc-ds1307.c.

#define HAS_NVRAM 0 /* bit 0 == sysfs file active */

Definition at line 112 of file rtc-ds1307.c.

#define MCP7941X_BIT_ST 0x80

Definition at line 48 of file rtc-ds1307.c.

#define MCP7941X_BIT_VBATEN 0x08

Definition at line 56 of file rtc-ds1307.c.

#define RX8025_BIT_2412 0x20

Definition at line 98 of file rtc-ds1307.c.

#define RX8025_BIT_PON 0x10

Definition at line 100 of file rtc-ds1307.c.

#define RX8025_BIT_VDET 0x40

Definition at line 101 of file rtc-ds1307.c.

#define RX8025_BIT_XST 0x20

Definition at line 102 of file rtc-ds1307.c.

#define RX8025_REG_CTRL1 0x0e

Definition at line 97 of file rtc-ds1307.c.

#define RX8025_REG_CTRL2 0x0f

Definition at line 99 of file rtc-ds1307.c.

Enumeration Type Documentation

enum ds_type

Enumerator:

ds_1307
ds_1337
ds_1338
ds_1339
ds_1340
ds_1388
ds_3231
m41t00
mcp7941x
rx_8025
last_ds_type

Definition at line 28 of file rtc-ds1307.c.

Function Documentation

MODULE_DESCRIPTION ( "RTC driver for DS1307 and similar chips" )

MODULE_DEVICE_TABLE	(	i2c	,
		ds1307_id
	)

module_i2c_driver ( ds1307_driver )

MODULE_LICENSE ( "GPL" )

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation