ds1631.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/callout.h>
#include <sys/conf.h>
#include <sys/cpu.h>
#include <sys/ctype.h>
#include <sys/kernel.h>
#include <sys/reboot.h>
#include <sys/rman.h>
#include <sys/sysctl.h>
#include <sys/limits.h>
#include <machine/bus.h>
#include <machine/md_var.h>
#include <dev/iicbus/iicbus.h>
#include <dev/iicbus/iiconf.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <powerpc/powermac/powermac_thermal.h>

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Data Structures
struct	ds1631_softc
struct	write_data
struct	read_data

Macros
#define	DS1631_STOP   0x22
#define	DS1631_START   0x51
#define	DS1631_RESET   0x54
#define	DS1631_TEMP   0xAA
#define	DS1631_CONTROL   0xAC
#define	DS1631_CONTROL_1SHOT   0x01
#define	DS1631_CONTROL_9BIT   0x00
#define	DS1631_CONTROL_10BIT   0x04
#define	DS1631_CONTROL_11BIT   0x08
#define	DS1631_CONTROL_12BIT   0x0C

Functions
	__FBSDID ("$FreeBSD$")
static int	ds1631_probe (device_t)
static int	ds1631_attach (device_t)
static int	ds1631_sensor_read (struct ds1631_softc *sc)
static int	ds1631_sensor_sysctl (SYSCTL_HANDLER_ARGS)
static void	ds1631_start (void *xdev)
static int	ds1631_read_1 (device_t dev, uint32_t addr, uint8_t reg, uint8_t *data)
static int	ds1631_read_2 (device_t dev, uint32_t addr, uint8_t reg, uint16_t *data)
static int	ds1631_write (device_t dev, uint32_t addr, uint8_t reg, uint8_t *buff, int len)
	DRIVER_MODULE (ds1631, iicbus, ds1631_driver, ds1631_devclass, 0, 0)
static int	ds1631_init (device_t dev, uint32_t addr)

Variables
static device_method_t	ds1631_methods []
static driver_t	ds1631_driver
static devclass_t	ds1631_devclass

Macro Definition Documentation

DS1631_CONTROL

#define DS1631_CONTROL   0xAC

Definition at line 61 of file ds1631.c.

DS1631_CONTROL_10BIT

#define DS1631_CONTROL_10BIT   0x04

Definition at line 64 of file ds1631.c.

DS1631_CONTROL_11BIT

#define DS1631_CONTROL_11BIT   0x08

Definition at line 65 of file ds1631.c.

DS1631_CONTROL_12BIT

#define DS1631_CONTROL_12BIT   0x0C

Definition at line 66 of file ds1631.c.

DS1631_CONTROL_1SHOT

#define DS1631_CONTROL_1SHOT   0x01

Definition at line 62 of file ds1631.c.

DS1631_CONTROL_9BIT

#define DS1631_CONTROL_9BIT   0x00

Definition at line 63 of file ds1631.c.

DS1631_RESET

#define DS1631_RESET   0x54

Definition at line 59 of file ds1631.c.

DS1631_START

#define DS1631_START   0x51

Definition at line 58 of file ds1631.c.

DS1631_STOP

#define DS1631_STOP   0x22

Definition at line 57 of file ds1631.c.

DS1631_TEMP

#define DS1631_TEMP   0xAA

Definition at line 60 of file ds1631.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

DRIVER_MODULE()

DRIVER_MODULE	(	ds1631	,
		iicbus	,
		ds1631_driver	,
		ds1631_devclass	,
		0	,
		0
	)

ds1631_attach()

static int ds1631_attach ( device_t  dev )

static

Definition at line 229 of file ds1631.c.

References dev, ds1631_start(), and ds1631_softc::enum_hook.

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ds1631_init()

static int ds1631_init ( device_t  dev, uint32_t  addr  )

static

Definition at line 253 of file ds1631.c.

References addr, dev, DS1631_CONTROL, DS1631_CONTROL_10BIT, DS1631_CONTROL_1SHOT, ds1631_read_1(), DS1631_START, DS1631_STOP, ds1631_write(), and ds1631_softc::init_done.

Referenced by ds1631_sensor_read().

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ds1631_probe()

static int ds1631_probe ( device_t  dev )

static

Definition at line 204 of file ds1631.c.

References dev, ds1631_softc::sc_addr, and ds1631_softc::sc_dev.

ds1631_read_1()

static int ds1631_read_1 ( device_t  dev, uint32_t  addr, uint8_t  reg, uint8_t *  data  )

static

Definition at line 148 of file ds1631.c.

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

Referenced by ds1631_init().

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ds1631_read_2()

static int ds1631_read_2 ( device_t  dev, uint32_t  addr, uint8_t  reg, uint16_t *  data  )

static

Definition at line 176 of file ds1631.c.

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

Referenced by ds1631_sensor_read().

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ds1631_sensor_read()

static int ds1631_sensor_read ( struct ds1631_softc *  sc )

static

Definition at line 370 of file ds1631.c.

References buf, ds1631_init(), ds1631_read_2(), DS1631_TEMP, ds1631_softc::init_done, read, ds1631_softc::sc_addr, and ds1631_softc::sc_dev.

Referenced by ds1631_sensor_sysctl(), and ds1631_start().

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ds1631_sensor_sysctl()

static int ds1631_sensor_sysctl ( SYSCTL_HANDLER_ARGS  )

static

Definition at line 397 of file ds1631.c.

References dev, and ds1631_sensor_read().

Referenced by ds1631_start().

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ds1631_start()

static void ds1631_start ( void *  xdev )

static

Definition at line 297 of file ds1631.c.

References dev, ds1631_sensor_read(), ds1631_sensor_sysctl(), ds1631_softc::enum_hook, and ds1631_softc::sc_sensor.

Referenced by ds1631_attach().

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ds1631_write()

static int ds1631_write ( device_t  dev, uint32_t  addr, uint8_t  reg, uint8_t *  buff, int  len  )

static

Definition at line 121 of file ds1631.c.

References addr, buf, dev, IIC_M_WR, iicbus_transfer(), iic_msg::len, and len.

Referenced by ds1631_init().

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Variable Documentation

ds1631_devclass

devclass_t ds1631_devclass

static

Definition at line 116 of file ds1631.c.

ds1631_driver

driver_t ds1631_driver

static

Initial value:

= {
        "ds1631",
        ds1631_methods,
        sizeof(struct ds1631_softc)
}

Definition at line 110 of file ds1631.c.

ds1631_methods

device_method_t ds1631_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe,         ds1631_probe),
        DEVMETHOD(device_attach,        ds1631_attach),
        { 0, 0 },
}

Definition at line 103 of file ds1631.c.