#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/systm.h>
#include <sys/uio.h>
#include <dev/iicbus/iiconf.h>
#include <dev/iicbus/iicbus.h>
#include <dev/smbus/smb.h>
#include <dev/smbus/smbconf.h>
#include "iicbus_if.h"
#include "smbus_if.h"

Include dependency graph for iicsmb.c:

Data Structures
struct	iicsmb_softc

Macros
#define	SMB_WAITING_ADDR 0x0

#define	SMB_WAITING_LOW 0x1

#define	SMB_WAITING_HIGH 0x2

#define	SMB_DONE 0x3

#define	TRANSFER_MSGS(dev, msgs) iicbus_transfer(dev, msgs, nitems(msgs))

Functions
	__FBSDID ("$FreeBSD$")

static int	iicsmb_probe (device_t)

static int	iicsmb_attach (device_t)

static int	iicsmb_detach (device_t)

static void	iicsmb_identify (driver_t *driver, device_t parent)

static int	iicsmb_intr (device_t dev, int event, char *buf)

static int	iicsmb_callback (device_t dev, int index, void *data)

static int	iicsmb_quick (device_t dev, u_char slave, int how)

static int	iicsmb_sendb (device_t dev, u_char slave, char byte)

static int	iicsmb_recvb (device_t dev, u_char slave, char *byte)

static int	iicsmb_writeb (device_t dev, u_char slave, char cmd, char byte)

static int	iicsmb_writew (device_t dev, u_char slave, char cmd, short word)

static int	iicsmb_readb (device_t dev, u_char slave, char cmd, char *byte)

static int	iicsmb_readw (device_t dev, u_char slave, char cmd, short *word)

static int	iicsmb_pcall (device_t dev, u_char slave, char cmd, short sdata, short *rdata)

static int	iicsmb_bwrite (device_t dev, u_char slave, char cmd, u_char count, char *buf)

static int	iicsmb_bread (device_t dev, u_char slave, char cmd, u_char count, char buf)

static int	iic2smb_error (int error)

	DRIVER_MODULE (iicsmb, iicbus, iicsmb_driver, iicsmb_devclass, 0, 0)

	DRIVER_MODULE (smbus, iicsmb, smbus_driver, smbus_devclass, 0, 0)

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

	MODULE_DEPEND (iicsmb, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER)

	MODULE_VERSION (iicsmb, 1)

Variables
static devclass_t	iicsmb_devclass

static device_method_t	iicsmb_methods []

static driver_t	iicsmb_driver

Macro Definition Documentation

◆ SMB_DONE

#define SMB_DONE 0x3

Definition at line 73 of file iicsmb.c.

◆ SMB_WAITING_ADDR

#define SMB_WAITING_ADDR 0x0

Definition at line 70 of file iicsmb.c.

◆ SMB_WAITING_HIGH

#define SMB_WAITING_HIGH 0x2

Definition at line 72 of file iicsmb.c.

◆ SMB_WAITING_LOW

#define SMB_WAITING_LOW 0x1

Definition at line 71 of file iicsmb.c.

◆ TRANSFER_MSGS

#define TRANSFER_MSGS	(	dev,
		msgs
	)	iicbus_transfer(dev, msgs, nitems(msgs))

Definition at line 310 of file iicsmb.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ DRIVER_MODULE() [1/2]

DRIVER_MODULE	(	iicsmb	,
		iicbus	,
		iicsmb_driver	,
		iicsmb_devclass	,
		0	,
		0
	)

◆ DRIVER_MODULE() [2/2]

DRIVER_MODULE	(	smbus	,
		iicsmb	,
		smbus_driver	,
		smbus_devclass	,
		0	,
		0
	)

◆ iic2smb_error()

static int iic2smb_error ( int error )

static

Definition at line 280 of file iicsmb.c.

References IIC_EBUSBSY, IIC_EBUSERR, IIC_ENOACK, IIC_ENOADDR, IIC_ENOTSUPP, IIC_EOVERFLOW, IIC_ERESOURCE, IIC_ESTATUS, IIC_ETIMEOUT, IIC_EUNDERFLOW, and IIC_NOERR.

Referenced by iicsmb_bread(), iicsmb_bwrite(), iicsmb_pcall(), iicsmb_quick(), iicsmb_readb(), iicsmb_readw(), iicsmb_recvb(), iicsmb_sendb(), iicsmb_writeb(), and iicsmb_writew().

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◆ iicsmb_attach()

static int iicsmb_attach ( device_t dev )

static

Definition at line 153 of file iicsmb.c.

References dev, iicsmb_softc::lock, and iicsmb_softc::smbus.

◆ iicsmb_bread()

static int iicsmb_bread	(	device_t	dev,
		u_char	slave,
		char	cmd,
		u_char *	count,
		char *	buf
	)

static

Definition at line 445 of file iicsmb.c.

References buf, dev, iic2smb_error(), IIC_M_NOSTART, IIC_M_NOSTOP, IIC_M_RD, IIC_M_WR, IIC_RECURSIVE, IIC_WAIT, iicbus_release_bus(), iicbus_request_bus(), iic_msg::len, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_bwrite()

static int iicsmb_bwrite	(	device_t	dev,
		u_char	slave,
		char	cmd,
		u_char	count,
		char *	buf
	)

static

Definition at line 429 of file iicsmb.c.

References buf, bytes, dev, iic2smb_error(), IIC_M_NOSTART, IIC_M_NOSTOP, IIC_M_WR, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_callback()

static int iicsmb_callback	(	device_t	dev,
		int	index,
		void *	data
	)

static

Definition at line 254 of file iicsmb.c.

References data, dev, iicbus_release_bus(), iicbus_request_bus(), and index.

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◆ iicsmb_detach()

static int iicsmb_detach ( device_t dev )

static

Definition at line 168 of file iicsmb.c.

References dev, and iicsmb_softc::lock.

◆ iicsmb_identify()

static void iicsmb_identify	(	driver_t *	driver,
		device_t	parent
	)

static

Definition at line 138 of file iicsmb.c.

◆ iicsmb_intr()

static int iicsmb_intr	(	device_t	dev,
		int	event,
		char *	buf
	)

static

Definition at line 185 of file iicsmb.c.

References buf, dev, iicsmb_softc::devaddr, event, iicsmb_softc::high, IIC_EBUSERR, INTR_ERROR, INTR_GENERAL, INTR_NOACK, INTR_RECEIVE, INTR_START, INTR_STOP, INTR_TRANSMIT, iicsmb_softc::lock, iicsmb_softc::low, SMB_DONE, SMB_WAITING_ADDR, SMB_WAITING_HIGH, SMB_WAITING_LOW, iicsmb_softc::smbus, and iicsmb_softc::state.

◆ iicsmb_pcall()

static int iicsmb_pcall	(	device_t	dev,
		u_char	slave,
		char	cmd,
		short	sdata,
		short *	rdata
	)

static

Definition at line 412 of file iicsmb.c.

References dev, iic2smb_error(), IIC_M_NOSTOP, IIC_M_RD, IIC_M_WR, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_probe()

static int iicsmb_probe ( device_t dev )

static

Definition at line 146 of file iicsmb.c.

References dev.

◆ iicsmb_quick()

static int iicsmb_quick	(	device_t	dev,
		u_char	slave,
		int	how
	)

static

Definition at line 313 of file iicsmb.c.

References dev, iic2smb_error(), IIC_M_RD, IIC_M_WR, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_readb()

static int iicsmb_readb	(	device_t	dev,
		u_char	slave,
		char	cmd,
		char *	byte
	)

static

Definition at line 383 of file iicsmb.c.

References dev, iic2smb_error(), IIC_M_NOSTOP, IIC_M_RD, IIC_M_WR, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_readw()

static int iicsmb_readw	(	device_t	dev,
		u_char	slave,
		char	cmd,
		short *	word
	)

static

Definition at line 396 of file iicsmb.c.

References buf, dev, iic2smb_error(), IIC_M_NOSTOP, IIC_M_RD, IIC_M_WR, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_recvb()

static int iicsmb_recvb	(	device_t	dev,
		u_char	slave,
		char *	byte
	)

static

Definition at line 345 of file iicsmb.c.

References dev, iic2smb_error(), IIC_M_RD, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_sendb()

static int iicsmb_sendb	(	device_t	dev,
		u_char	slave,
		char	byte
	)

static

Definition at line 333 of file iicsmb.c.

References dev, iic2smb_error(), IIC_M_WR, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_writeb()

static int iicsmb_writeb	(	device_t	dev,
		u_char	slave,
		char	cmd,
		char	byte
	)

static

Definition at line 357 of file iicsmb.c.

References bytes, dev, iic2smb_error(), IIC_M_WR, msgs, slave, and TRANSFER_MSGS.

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◆ iicsmb_writew()

static int iicsmb_writew	(	device_t	dev,
		u_char	slave,
		char	cmd,
		short	word
	)

static

Definition at line 370 of file iicsmb.c.

References bytes, dev, iic2smb_error(), IIC_M_WR, msgs, slave, and TRANSFER_MSGS.

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◆ MODULE_DEPEND() [1/2]

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

◆ MODULE_DEPEND() [2/2]

MODULE_DEPEND	(	iicsmb	,
		smbus	,
		SMBUS_MINVER	,
		SMBUS_PREFVER	,
		SMBUS_MAXVER
	)

◆ MODULE_VERSION()

MODULE_VERSION	(	iicsmb	,
		1
	)

Variable Documentation

◆ iicsmb_devclass

devclass_t iicsmb_devclass

static

Definition at line 103 of file iicsmb.c.

◆ iicsmb_driver

driver_t iicsmb_driver

static

Initial value:

= {
        "iicsmb",
        iicsmb_methods,
        sizeof(struct iicsmb_softc),
}

Definition at line 131 of file iicsmb.c.

◆ iicsmb_methods

device_method_t iicsmb_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_identify,      iicsmb_identify),
        DEVMETHOD(device_probe,         iicsmb_probe),
        DEVMETHOD(device_attach,        iicsmb_attach),
        DEVMETHOD(device_detach,        iicsmb_detach),
 
        
        DEVMETHOD(iicbus_intr,          iicsmb_intr),
 
        
        DEVMETHOD(smbus_callback,       iicsmb_callback),
        DEVMETHOD(smbus_quick,          iicsmb_quick),
        DEVMETHOD(smbus_sendb,          iicsmb_sendb),
        DEVMETHOD(smbus_recvb,          iicsmb_recvb),
        DEVMETHOD(smbus_writeb,         iicsmb_writeb),
        DEVMETHOD(smbus_writew,         iicsmb_writew),
        DEVMETHOD(smbus_readb,          iicsmb_readb),
        DEVMETHOD(smbus_readw,          iicsmb_readw),
        DEVMETHOD(smbus_pcall,          iicsmb_pcall),
        DEVMETHOD(smbus_bwrite,         iicsmb_bwrite),
        DEVMETHOD(smbus_bread,          iicsmb_bread),
 
        DEVMETHOD_END
}

Definition at line 105 of file iicsmb.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ SMB_DONE

◆ SMB_WAITING_ADDR

◆ SMB_WAITING_HIGH

◆ SMB_WAITING_LOW

◆ TRANSFER_MSGS

Function Documentation

◆ __FBSDID()

◆ DRIVER_MODULE() [1/2]

◆ DRIVER_MODULE() [2/2]

◆ iic2smb_error()

◆ iicsmb_attach()

◆ iicsmb_bread()

◆ iicsmb_bwrite()

◆ iicsmb_callback()

◆ iicsmb_detach()

◆ iicsmb_identify()

◆ iicsmb_intr()

◆ iicsmb_pcall()

◆ iicsmb_probe()

◆ iicsmb_quick()

◆ iicsmb_readb()

◆ iicsmb_readw()

◆ iicsmb_recvb()

◆ iicsmb_sendb()

◆ iicsmb_writeb()

◆ iicsmb_writew()

◆ MODULE_DEPEND() [1/2]

◆ MODULE_DEPEND() [2/2]

◆ MODULE_VERSION()

Variable Documentation

◆ iicsmb_devclass

◆ iicsmb_driver

◆ iicsmb_methods