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