1 /*- 2 * Copyright (c) 1998, 2001 Nicolas Souchu 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/smbus/smbus.c,v 1.18.10.4 2006/09/26 18:44:56 jhb Exp $ 27 * $DragonFly: src/sys/bus/smbus/smbus.c,v 1.4 2006/12/22 23:12:17 swildner Exp $ 28 * 29 */ 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/kernel.h> 33 #include <sys/module.h> 34 #include <sys/bus.h> 35 36 #include "smbconf.h" 37 #include "smbus.h" 38 39 /* 40 * Autoconfiguration and support routines for System Management bus 41 */ 42 43 /* 44 * Device methods 45 */ 46 static int smbus_probe(device_t); 47 static int smbus_attach(device_t); 48 static int smbus_detach(device_t); 49 50 static device_method_t smbus_methods[] = { 51 /* device interface */ 52 DEVMETHOD(device_probe, smbus_probe), 53 DEVMETHOD(device_attach, smbus_attach), 54 DEVMETHOD(device_detach, smbus_detach), 55 56 /* bus interface */ 57 DEVMETHOD(bus_add_child, bus_generic_add_child), 58 DEVMETHOD(bus_print_child, bus_generic_print_child), 59 60 { 0, 0 } 61 }; 62 63 driver_t smbus_driver = { 64 "smbus", 65 smbus_methods, 66 sizeof(struct smbus_softc), 67 }; 68 69 devclass_t smbus_devclass; 70 71 /* 72 * At 'probe' time, we add all the devices which we know about to the 73 * bus. The generic attach routine will probe and attach them if they 74 * are alive. 75 */ 76 static int 77 smbus_probe(device_t dev) 78 { 79 device_set_desc(dev, "System Management Bus"); 80 81 return (0); 82 } 83 84 static int 85 smbus_attach(device_t dev) 86 { 87 bus_generic_probe(dev); 88 bus_generic_attach(dev); 89 90 return (0); 91 } 92 93 static int 94 smbus_detach(device_t dev) 95 { 96 int error; 97 98 error = bus_generic_detach(dev); 99 if (error) 100 return (error); 101 102 return (0); 103 } 104 105 void 106 smbus_generic_intr(device_t dev, u_char devaddr, char low, char high) 107 { 108 } 109 110 MODULE_VERSION(smbus, SMBUS_MODVER); 111