#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/module.h>
#include <sys/sysctl.h>
#include <dev/iicbus/iicbus.h>
#include <dev/iicbus/iiconf.h>
#include <dev/iicbus/ds3231reg.h>
#include "clock_if.h"
#include "iicbus_if.h"

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Data Structures
struct	ds3231_softc

Functions
	__FBSDID ("$FreeBSD$")

static void	ds3231_start (void *)

static int	ds3231_read1 (device_t dev, uint8_t reg, uint8_t *data)

static int	ds3231_write1 (device_t dev, uint8_t reg, uint8_t data)

static int	ds3231_ctrl_read (struct ds3231_softc *sc)

static int	ds3231_ctrl_write (struct ds3231_softc *sc)

static int	ds3231_status_read (struct ds3231_softc *sc)

static int	ds3231_status_write (struct ds3231_softc *sc, int clear_a1, int clear_a2)

static int	ds3231_temp_read (struct ds3231_softc sc, int temp)

static int	ds3231_temp_sysctl (SYSCTL_HANDLER_ARGS)

static int	ds3231_conv_sysctl (SYSCTL_HANDLER_ARGS)

static int	ds3231_bbsqw_sysctl (SYSCTL_HANDLER_ARGS)

static int	ds3231_sqw_freq_sysctl (SYSCTL_HANDLER_ARGS)

static int	ds3231_str_sqw_mode (char *buf)

static int	ds3231_sqw_mode_sysctl (SYSCTL_HANDLER_ARGS)

static int	ds3231_en32khz_sysctl (SYSCTL_HANDLER_ARGS)

static int	ds3231_probe (device_t dev)

static int	ds3231_attach (device_t dev)

static int	ds3231_detach (device_t dev)

static int	ds3231_gettime (device_t dev, struct timespec *ts)

static int	ds3231_settime (device_t dev, struct timespec *ts)

	DRIVER_MODULE (ds3231, iicbus, ds3231_driver, ds3231_devclass, NULL, NULL)

	MODULE_VERSION (ds3231, 1)

	MODULE_DEPEND (ds3231, iicbus, 1, 1, 1)

Variables
static device_method_t	ds3231_methods []

static driver_t	ds3231_driver

static devclass_t	ds3231_devclass

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ DRIVER_MODULE()

DRIVER_MODULE	(	ds3231	,
		iicbus	,
		ds3231_driver	,
		ds3231_devclass	,
		NULL	,
		NULL
	)

◆ ds3231_attach()

static int ds3231_attach ( device_t dev )

static

Definition at line 376 of file ds3231.c.

References dev, ds3231_start(), ds3231_softc::enum_hook, ds3231_softc::sc_addr, ds3231_softc::sc_dev, ds3231_softc::sc_last_c, and ds3231_softc::sc_year0.

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◆ ds3231_bbsqw_sysctl()

static int ds3231_bbsqw_sysctl ( SYSCTL_HANDLER_ARGS )

static

Definition at line 220 of file ds3231.c.

References DS3231_CTRL_BBSQW, ds3231_ctrl_read(), ds3231_ctrl_write(), and ds3231_softc::sc_ctrl.

Referenced by ds3231_start().

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◆ ds3231_conv_sysctl()

static int ds3231_conv_sysctl ( SYSCTL_HANDLER_ARGS )

static

Definition at line 191 of file ds3231.c.

References DS3231_CTRL_CONV, ds3231_ctrl_read(), ds3231_ctrl_write(), DS3231_STATUS_BUSY, ds3231_status_read(), ds3231_softc::sc_ctrl, and ds3231_softc::sc_status.

Referenced by ds3231_start().

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◆ ds3231_ctrl_read()

static int ds3231_ctrl_read ( struct ds3231_softc * sc )

static

Definition at line 85 of file ds3231.c.

References DS3231_CONTROL, ds3231_read1(), ds3231_softc::sc_ctrl, and ds3231_softc::sc_dev.

Referenced by ds3231_bbsqw_sysctl(), ds3231_conv_sysctl(), ds3231_sqw_freq_sysctl(), ds3231_sqw_mode_sysctl(), and ds3231_start().

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◆ ds3231_ctrl_write()

static int ds3231_ctrl_write ( struct ds3231_softc * sc )

static

Definition at line 98 of file ds3231.c.

References data, DS3231_CONTROL, ds3231_write1(), ds3231_softc::sc_ctrl, and ds3231_softc::sc_dev.

Referenced by ds3231_bbsqw_sysctl(), ds3231_conv_sysctl(), ds3231_sqw_freq_sysctl(), ds3231_sqw_mode_sysctl(), and ds3231_start().

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◆ ds3231_detach()

static int ds3231_detach ( device_t dev )

static

Definition at line 399 of file ds3231.c.

References dev.

◆ ds3231_en32khz_sysctl()

static int ds3231_en32khz_sysctl ( SYSCTL_HANDLER_ARGS )

static

Definition at line 331 of file ds3231.c.

References DS3231_STATUS_EN32KHZ, ds3231_status_read(), ds3231_status_write(), and ds3231_softc::sc_status.

Referenced by ds3231_start().

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◆ ds3231_gettime()

static int ds3231_gettime	(	device_t	dev,
		struct timespec *	ts
	)

static

Definition at line 481 of file ds3231.c.

References data, dev, DS3231_C_MASK, DS3231_DATE, DS3231_DATE_MASK, DS3231_HOUR, DS3231_HOUR_IS_PM, DS3231_HOUR_MASK_12HR, DS3231_HOUR_MASK_24HR, DS3231_HOUR_USE_AMPM, DS3231_MINS, DS3231_MINS_MASK, DS3231_MONTH, DS3231_MONTH_MASK, DS3231_SECS, DS3231_SECS_MASK, DS3231_STATUS_OSF, ds3231_status_read(), DS3231_YEAR, DS3231_YEAR_MASK, IIC_INTRWAIT, iicdev_readfrom(), ds3231_softc::sc_dev, ds3231_softc::sc_last_c, ds3231_softc::sc_status, ds3231_softc::sc_use_ampm, and ds3231_softc::sc_year0.

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◆ ds3231_probe()

static int ds3231_probe ( device_t dev )

static

Definition at line 357 of file ds3231.c.

References dev.

◆ ds3231_read1()

static int ds3231_read1	(	device_t	dev,
		uint8_t	reg,
		uint8_t *	data
	)

static

Definition at line 71 of file ds3231.c.

References data, dev, IIC_INTRWAIT, and iicdev_readfrom().

Referenced by ds3231_ctrl_read(), and ds3231_status_read().

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◆ ds3231_settime()

static int ds3231_settime	(	device_t	dev,
		struct timespec *	ts
	)

static

Definition at line 540 of file ds3231.c.

References data, dev, DS3231_C_MASK, DS3231_DATE, DS3231_HOUR, DS3231_HOUR_IS_PM, DS3231_HOUR_USE_AMPM, DS3231_MINS, DS3231_MONTH, DS3231_SECS, DS3231_STATUS_OSF, ds3231_status_read(), ds3231_status_write(), DS3231_WEEKDAY, DS3231_YEAR, IIC_INTRWAIT, iicdev_writeto(), ds3231_softc::sc_dev, ds3231_softc::sc_last_c, ds3231_softc::sc_status, and ds3231_softc::sc_use_ampm.

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◆ ds3231_sqw_freq_sysctl()

static int ds3231_sqw_freq_sysctl ( SYSCTL_HANDLER_ARGS )

static

Definition at line 246 of file ds3231.c.

References ds3231_ctrl_read(), DS3231_CTRL_RS_MASK, DS3231_CTRL_RS_SHIFT, ds3231_ctrl_write(), and ds3231_softc::sc_ctrl.

Referenced by ds3231_start().

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◆ ds3231_sqw_mode_sysctl()

static int ds3231_sqw_mode_sysctl ( SYSCTL_HANDLER_ARGS )

static

Definition at line 297 of file ds3231.c.

References buf, DS3231_CTRL_INTCN, ds3231_ctrl_read(), ds3231_ctrl_write(), ds3231_str_sqw_mode(), and ds3231_softc::sc_ctrl.

Referenced by ds3231_start().

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◆ ds3231_start()

static void ds3231_start ( void * xdev )

static

Definition at line 407 of file ds3231.c.

References dev, ds3231_bbsqw_sysctl(), ds3231_conv_sysctl(), ds3231_ctrl_read(), ds3231_ctrl_write(), ds3231_en32khz_sysctl(), ds3231_sqw_freq_sysctl(), ds3231_sqw_mode_sysctl(), DS3231_STATUS_OSF, ds3231_status_read(), ds3231_status_write(), ds3231_temp_sysctl(), ds3231_softc::enum_hook, ds3231_softc::sc_dev, and ds3231_softc::sc_status.

Referenced by ds3231_attach().

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◆ ds3231_status_read()

static int ds3231_status_read ( struct ds3231_softc * sc )

static

Definition at line 113 of file ds3231.c.

References ds3231_read1(), DS3231_STATUS, ds3231_softc::sc_dev, and ds3231_softc::sc_status.

Referenced by ds3231_conv_sysctl(), ds3231_en32khz_sysctl(), ds3231_gettime(), ds3231_settime(), and ds3231_start().

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◆ ds3231_status_write()

static int ds3231_status_write	(	struct ds3231_softc *	sc,
		int	clear_a1,
		int	clear_a2
	)

static

Definition at line 127 of file ds3231.c.

References data, DS3231_STATUS, DS3231_STATUS_A1F, DS3231_STATUS_A2F, ds3231_write1(), ds3231_softc::sc_dev, and ds3231_softc::sc_status.

Referenced by ds3231_en32khz_sysctl(), ds3231_settime(), and ds3231_start().

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◆ ds3231_str_sqw_mode()

static int ds3231_str_sqw_mode ( char * buf )

static

Definition at line 279 of file ds3231.c.

References buf, and len.

Referenced by ds3231_sqw_mode_sysctl().

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◆ ds3231_temp_read()

static int ds3231_temp_read	(	struct ds3231_softc *	sc,
		int *	temp
	)

static

Definition at line 145 of file ds3231.c.

References buf, DS3231_0250C, DS3231_0500C, DS3231_NEG_BIT, DS3231_TEMP, DS3231_TEMP_MASK, IIC_INTRWAIT, iicdev_readfrom(), ds3231_softc::sc_dev, and TZ_ZEROC.

Referenced by ds3231_temp_sysctl().

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◆ ds3231_temp_sysctl()

static int ds3231_temp_sysctl ( SYSCTL_HANDLER_ARGS )

static

Definition at line 177 of file ds3231.c.

References ds3231_temp_read().

Referenced by ds3231_start().

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◆ ds3231_write1()

static int ds3231_write1	(	device_t	dev,
		uint8_t	reg,
		uint8_t	data
	)

static

Definition at line 78 of file ds3231.c.

References data, dev, IIC_INTRWAIT, and iicdev_writeto().

Referenced by ds3231_ctrl_write(), and ds3231_status_write().

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◆ MODULE_DEPEND()

MODULE_DEPEND	(	ds3231	,
		iicbus	,
		1	,
		1	,
		1
	)

◆ MODULE_VERSION()

MODULE_VERSION	(	ds3231	,
		1
	)

Variable Documentation

◆ ds3231_devclass

devclass_t ds3231_devclass

static

Definition at line 620 of file ds3231.c.

◆ ds3231_driver

driver_t ds3231_driver

static

Initial value:

= {
        "ds3231",
        ds3231_methods,
        sizeof(struct ds3231_softc),
}

Definition at line 614 of file ds3231.c.

◆ ds3231_methods

device_method_t ds3231_methods[]

static

Initial value:

= {
        DEVMETHOD(device_probe,         ds3231_probe),
        DEVMETHOD(device_attach,        ds3231_attach),
        DEVMETHOD(device_detach,        ds3231_detach),
 
        DEVMETHOD(clock_gettime,        ds3231_gettime),
        DEVMETHOD(clock_settime,        ds3231_settime),
 
        DEVMETHOD_END
}

Definition at line 603 of file ds3231.c.

Data Structures

Functions

Variables

Function Documentation

◆ __FBSDID()

◆ DRIVER_MODULE()

◆ ds3231_attach()

◆ ds3231_bbsqw_sysctl()

◆ ds3231_conv_sysctl()

◆ ds3231_ctrl_read()

◆ ds3231_ctrl_write()

◆ ds3231_detach()

◆ ds3231_en32khz_sysctl()

◆ ds3231_gettime()

◆ ds3231_probe()

◆ ds3231_read1()

◆ ds3231_settime()

◆ ds3231_sqw_freq_sysctl()

◆ ds3231_sqw_mode_sysctl()

◆ ds3231_start()

◆ ds3231_status_read()

◆ ds3231_status_write()

◆ ds3231_str_sqw_mode()

◆ ds3231_temp_read()

◆ ds3231_temp_sysctl()

◆ ds3231_write1()

◆ MODULE_DEPEND()

◆ MODULE_VERSION()

Variable Documentation

◆ ds3231_devclass

◆ ds3231_driver

◆ ds3231_methods