44e6ce01b9
Add of NVIDIA nForce (nfpm) smbus support. Obtained from: Thomas D. Dean <tomdean@speakeasy.org>
119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/*-
|
|
* Copyright (c) 1998, 2001 Nicolas Souchu
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
|
|
#include <dev/smbus/smbconf.h>
|
|
#include <dev/smbus/smbus.h>
|
|
|
|
/*
|
|
* Autoconfiguration and support routines for the Philips serial I2C bus
|
|
*/
|
|
|
|
#define DEVTOSMBUS(dev) ((struct smbus_device*)device_get_ivars(dev))
|
|
|
|
static devclass_t smbus_devclass;
|
|
|
|
/*
|
|
* Device methods
|
|
*/
|
|
static int smbus_probe(device_t);
|
|
static int smbus_attach(device_t);
|
|
static int smbus_add_child(device_t dev, int order, const char *name, int unit);
|
|
|
|
static device_method_t smbus_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, smbus_probe),
|
|
DEVMETHOD(device_attach, smbus_attach),
|
|
DEVMETHOD(device_detach, bus_generic_detach),
|
|
|
|
/* bus interface */
|
|
DEVMETHOD(bus_add_child, smbus_add_child),
|
|
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t smbus_driver = {
|
|
"smbus",
|
|
smbus_methods,
|
|
sizeof(struct smbus_softc),
|
|
};
|
|
|
|
/*
|
|
* At 'probe' time, we add all the devices which we know about to the
|
|
* bus. The generic attach routine will probe and attach them if they
|
|
* are alive.
|
|
*/
|
|
static int
|
|
smbus_probe(device_t dev)
|
|
{
|
|
device_set_desc(dev, "System Management Bus");
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
smbus_attach(device_t dev)
|
|
{
|
|
device_add_child(dev, NULL, -1);
|
|
bus_generic_attach(dev);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
smbus_add_child(device_t dev, int order, const char *name, int unit)
|
|
{
|
|
device_add_child_ordered(dev, order, name, unit);
|
|
|
|
bus_generic_attach(dev);
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
smbus_generic_intr(device_t dev, u_char devaddr, char low, char high)
|
|
{
|
|
return;
|
|
}
|
|
|
|
DRIVER_MODULE(smbus, iicsmb, smbus_driver, smbus_devclass, 0, 0);
|
|
DRIVER_MODULE(smbus, bktr, smbus_driver, smbus_devclass, 0, 0);
|
|
DRIVER_MODULE(smbus, intsmb, smbus_driver, smbus_devclass, 0, 0);
|
|
DRIVER_MODULE(smbus, alpm, smbus_driver, smbus_devclass, 0, 0);
|
|
DRIVER_MODULE(smbus, ichsmb, smbus_driver, smbus_devclass, 0, 0);
|
|
DRIVER_MODULE(smbus, amdpm, smbus_driver, smbus_devclass, 0, 0);
|
|
DRIVER_MODULE(smbus, viapropm, smbus_driver, smbus_devclass, 0, 0);
|
|
DRIVER_MODULE(smbus, nfpm, smbus_driver, smbus_devclass, 0, 0);
|
|
MODULE_VERSION(smbus, SMBUS_MODVER);
|