ds1672.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/clock.h>
#include <sys/time.h>
#include <sys/bus.h>
#include <sys/resource.h>
#include <sys/rman.h>
#include <dev/iicbus/iiconf.h>
#include "iicbus_if.h"
#include "clock_if.h"

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Data Structures
struct	ds1672_softc

Macros
#define	IIC_M_WR   0 /* write operation */
#define	DS1672_ADDR   0xd0 /* slave address */
#define	DS1672_COUNTER   0 /* counter (bytes 0-3) */
#define	DS1672_CTRL   4 /* control (1 byte) */
#define	DS1672_TRICKLE   5 /* trickle charger (1 byte) */
#define	DS1672_CTRL_EOSC   (1 << 7) /* Stop/start flag. */
#define	MAX_IIC_DATA_SIZE   4

Functions
	__FBSDID ("$FreeBSD$")
static int	ds1672_probe (device_t dev)
static int	ds1672_read (device_t dev, uint8_t addr, uint8_t *data, uint8_t size)
static int	ds1672_write (device_t dev, uint8_t addr, uint8_t *data, uint8_t size)
static int	ds1672_init (device_t dev)
static int	ds1672_detach (device_t dev)
static int	ds1672_attach (device_t dev)
static int	ds1672_gettime (device_t dev, struct timespec *ts)
static int	ds1672_settime (device_t dev, struct timespec *ts)
	DRIVER_MODULE (ds1672, iicbus, ds1672_driver, ds1672_devclass, 0, 0)
	MODULE_VERSION (ds1672, 1)
	MODULE_DEPEND (ds1672, iicbus, 1, 1, 1)

Variables
static device_method_t	ds1672_methods []
static driver_t	ds1672_driver
static devclass_t	ds1672_devclass

Macro Definition Documentation

DS1672_ADDR

#define DS1672_ADDR   0xd0 /* slave address */

Definition at line 49 of file ds1672.c.

DS1672_COUNTER

#define DS1672_COUNTER   0 /* counter (bytes 0-3) */

Definition at line 51 of file ds1672.c.

DS1672_CTRL

#define DS1672_CTRL   4 /* control (1 byte) */

Definition at line 52 of file ds1672.c.

DS1672_CTRL_EOSC

#define DS1672_CTRL_EOSC   (1 << 7) /* Stop/start flag. */

Definition at line 55 of file ds1672.c.

DS1672_TRICKLE

#define DS1672_TRICKLE   5 /* trickle charger (1 byte) */

Definition at line 53 of file ds1672.c.

IIC_M_WR

#define IIC_M_WR   0 /* write operation */

Definition at line 47 of file ds1672.c.

MAX_IIC_DATA_SIZE

#define MAX_IIC_DATA_SIZE   4

Definition at line 57 of file ds1672.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

DRIVER_MODULE()

DRIVER_MODULE	(	ds1672	,
		iicbus	,
		ds1672_driver	,
		ds1672_devclass	,
		0	,
		0
	)

ds1672_attach()

static int ds1672_attach ( device_t  dev )

static

Definition at line 129 of file ds1672.c.

References dev, ds1672_init(), and ds1672_softc::sc_dev.

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ds1672_detach()

static int ds1672_detach ( device_t  dev )

static

Definition at line 121 of file ds1672.c.

References dev.

ds1672_gettime()

static int ds1672_gettime ( device_t  dev, struct timespec *  ts  )

static

Definition at line 143 of file ds1672.c.

References dev, DS1672_COUNTER, and ds1672_read().

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ds1672_init()

static int ds1672_init ( device_t  dev )

static

Definition at line 99 of file ds1672.c.

References dev, DS1672_CTRL, DS1672_CTRL_EOSC, ds1672_read(), and ds1672_write().

Referenced by ds1672_attach().

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ds1672_probe()

static int ds1672_probe ( device_t  dev )

static

Definition at line 64 of file ds1672.c.

References dev.

ds1672_read()

static int ds1672_read ( device_t  dev, uint8_t  addr, uint8_t *  data, uint8_t  size  )

static

Definition at line 72 of file ds1672.c.

References addr, data, dev, DS1672_ADDR, IIC_M_RD, IIC_M_WR, iicbus_transfer(), and msgs.

Referenced by ds1672_gettime(), and ds1672_init().

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ds1672_settime()

static int ds1672_settime ( device_t  dev, struct timespec *  ts  )

static

Definition at line 160 of file ds1672.c.

References data, dev, DS1672_COUNTER, and ds1672_write().

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ds1672_write()

static int ds1672_write ( device_t  dev, uint8_t  addr, uint8_t *  data, uint8_t  size  )

static

Definition at line 83 of file ds1672.c.

References addr, data, dev, DS1672_ADDR, IIC_M_WR, iicbus_transfer(), MAX_IIC_DATA_SIZE, and msgs.

Referenced by ds1672_init(), and ds1672_settime().

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MODULE_DEPEND()

MODULE_DEPEND	(	ds1672	,
		iicbus	,
		1	,
		1	,
		1
	)

MODULE_VERSION()

MODULE_VERSION	(	ds1672	,
		1
	)

Variable Documentation

ds1672_devclass

devclass_t ds1672_devclass

static

Definition at line 190 of file ds1672.c.

ds1672_driver

driver_t ds1672_driver

static

Initial value:

= {
        "ds1672_rtc",
        ds1672_methods,
        sizeof(struct ds1672_softc),
}

Definition at line 185 of file ds1672.c.

ds1672_methods

device_method_t ds1672_methods[]

static

Initial value:

= {
        DEVMETHOD(device_probe,         ds1672_probe),
        DEVMETHOD(device_attach,        ds1672_attach),
        DEVMETHOD(device_detach,        ds1672_detach),
 
        DEVMETHOD(clock_gettime,        ds1672_gettime),
        DEVMETHOD(clock_settime,        ds1672_settime),
 
        DEVMETHOD_END
}

Definition at line 174 of file ds1672.c.