rtc8583.c File Reference

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

Include dependency graph for rtc8583.c:

Go to the source code of this file.

Data Structures
struct	time_regs
struct	rtc8583_softc

Macros
#define	RTC8583_SC_REG   0x01 /* RTC Seconds */
#define	RTC8583_USERSRAM_REG   0x10 /* User SRAM register (first) */
#define	MAX_TRANSFER   16

Functions
	__FBSDID ("$FreeBSD$")
static void	rtc8583_init (void *arg)
static int	rtc8583_probe (device_t dev)
static int	rtc8583_attach (device_t dev)
static int	rtc8583_detach (device_t dev)
static int	rtc8583_gettime (device_t dev, struct timespec *ts)
static int	rtc8583_settime (device_t dev, struct timespec *ts)
static int	rtc8583_writeto (device_t slavedev, uint8_t regaddr, void *buffer, uint16_t buflen, int waithow)
static int	rtc8583_read1 (struct rtc8583_softc *sc, uint8_t reg, uint8_t *data)
static int	rtc8583_write1 (struct rtc8583_softc *sc, uint8_t reg, uint8_t val)
	DRIVER_MODULE (rtc8583, iicbus, rtc8583_driver, rtc8583_devclass, NULL, NULL)
	MODULE_VERSION (rtc8583, 1)
	MODULE_DEPEND (rtc8583, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER)
	IICBUS_FDT_PNP_INFO (compat_data)

Variables
static device_method_t	rtc8583_methods []
static driver_t	rtc8583_driver
static devclass_t	rtc8583_devclass

Macro Definition Documentation

MAX_TRANSFER

#define MAX_TRANSFER   16

Definition at line 60 of file rtc8583.c.

RTC8583_SC_REG

#define RTC8583_SC_REG   0x01 /* RTC Seconds */

Definition at line 58 of file rtc8583.c.

RTC8583_USERSRAM_REG

#define RTC8583_USERSRAM_REG   0x10 /* User SRAM register (first) */

Definition at line 59 of file rtc8583.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

DRIVER_MODULE()

DRIVER_MODULE	(	rtc8583	,
		iicbus	,
		rtc8583_driver	,
		rtc8583_devclass	,
		NULL	,
		NULL
	)

IICBUS_FDT_PNP_INFO()

IICBUS_FDT_PNP_INFO

(

compat_data

)

MODULE_DEPEND()

MODULE_DEPEND	(	rtc8583	,
		iicbus	,
		IICBUS_MINVER	,
		IICBUS_PREFVER	,
		IICBUS_MAXVER
	)

MODULE_VERSION()

MODULE_VERSION	(	rtc8583	,
		1
	)

rtc8583_attach()

static int rtc8583_attach ( device_t  dev )

static

Definition at line 163 of file rtc8583.c.

References rtc8583_softc::busdev, dev, rtc8583_softc::dev, rtc8583_softc::init_hook, and rtc8583_init().

Here is the call graph for this function:

rtc8583_detach()

static int rtc8583_detach ( device_t  dev )

static

Definition at line 184 of file rtc8583.c.

References dev.

rtc8583_gettime()

static int rtc8583_gettime ( device_t  dev, struct timespec *  ts  )

static

Definition at line 192 of file rtc8583.c.

References rtc8583_softc::busdev, time_regs::day, dev, rtc8583_softc::dev, time_regs::hour, IIC_WAIT, iicbus_release_bus(), iicbus_request_bus(), iicdev_readfrom(), time_regs::min, time_regs::month, time_regs::msec, rtc8583_read1(), RTC8583_SC_REG, RTC8583_USERSRAM_REG, rtc8583_write1(), and time_regs::sec.

Here is the call graph for this function:

rtc8583_init()

static void rtc8583_init ( void *  arg )

static

Definition at line 131 of file rtc8583.c.

References rtc8583_softc::dev, and rtc8583_softc::init_hook.

Referenced by rtc8583_attach().

Here is the caller graph for this function:

rtc8583_probe()

static int rtc8583_probe ( device_t  dev )

static

Definition at line 147 of file rtc8583.c.

References compat_data, and dev.

rtc8583_read1()

static int rtc8583_read1 ( struct rtc8583_softc *  sc, uint8_t  reg, uint8_t *  data  )

inlinestatic

Definition at line 117 of file rtc8583.c.

References data, rtc8583_softc::dev, IIC_WAIT, and iicdev_readfrom().

Referenced by rtc8583_gettime().

Here is the call graph for this function:

Here is the caller graph for this function:

rtc8583_settime()

static int rtc8583_settime ( device_t  dev, struct timespec *  ts  )

static

Definition at line 249 of file rtc8583.c.

References rtc8583_softc::busdev, time_regs::day, dev, rtc8583_softc::dev, time_regs::hour, IIC_WAIT, iicbus_release_bus(), iicbus_request_bus(), time_regs::min, time_regs::month, time_regs::msec, RTC8583_SC_REG, RTC8583_USERSRAM_REG, rtc8583_write1(), rtc8583_writeto(), and time_regs::sec.

Here is the call graph for this function:

rtc8583_write1()

static int rtc8583_write1 ( struct rtc8583_softc *  sc, uint8_t  reg, uint8_t  val  )

inlinestatic

Definition at line 124 of file rtc8583.c.

References rtc8583_softc::dev, IIC_WAIT, rtc8583_writeto(), and val.

Referenced by rtc8583_gettime(), and rtc8583_settime().

Here is the call graph for this function:

Here is the caller graph for this function:

rtc8583_writeto()

static int rtc8583_writeto ( device_t  slavedev, uint8_t  regaddr, void *  buffer, uint16_t  buflen, int  waithow  )

static

Definition at line 97 of file rtc8583.c.

References iic_msg::buf, iic_msg::flags, IIC_M_WR, iicbus_transfer_excl(), iic_msg::len, MAX_TRANSFER, msgs, and iic_msg::slave.

Referenced by rtc8583_settime(), and rtc8583_write1().

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

rtc8583_devclass

devclass_t rtc8583_devclass

static

Definition at line 300 of file rtc8583.c.

rtc8583_driver

driver_t rtc8583_driver

static

Initial value:

= {
        "rtc8583",
        rtc8583_methods,
        sizeof(struct rtc8583_softc),
}

Definition at line 295 of file rtc8583.c.

rtc8583_methods

device_method_t rtc8583_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe,         rtc8583_probe),
        DEVMETHOD(device_attach,        rtc8583_attach),
        DEVMETHOD(device_detach,        rtc8583_detach),
 
        
        DEVMETHOD(clock_gettime,        rtc8583_gettime),
        DEVMETHOD(clock_settime,        rtc8583_settime),
 
        DEVMETHOD_END,
}

Definition at line 282 of file rtc8583.c.