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 * 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/module.h> 35 #include <sys/bus.h> 36 37 #include <dev/smbus/smbconf.h> 38 #include <dev/smbus/smbus.h> 39 40 /* 41 * Autoconfiguration and support routines for the Philips serial I2C bus 42 */ 43 44 #define DEVTOSMBUS(dev) ((struct smbus_device*)device_get_ivars(dev)) 45 46 static devclass_t smbus_devclass; 47 48 /* 49 * Device methods 50 */ 51 static int smbus_probe(device_t); 52 static int smbus_attach(device_t); 53 54 static device_method_t smbus_methods[] = { 55 /* device interface */ 56 DEVMETHOD(device_probe, smbus_probe), 57 DEVMETHOD(device_attach, smbus_attach), 58 DEVMETHOD(device_detach, bus_generic_detach), 59 60 /* bus interface */ 61 DEVMETHOD(bus_print_child, bus_generic_print_child), 62 63 { 0, 0 } 64 }; 65 66 static driver_t smbus_driver = { 67 "smbus", 68 smbus_methods, 69 sizeof(struct smbus_softc), 70 }; 71 72 /* 73 * At 'probe' time, we add all the devices which we know about to the 74 * bus. The generic attach routine will probe and attach them if they 75 * are alive. 76 */ 77 static int 78 smbus_probe(device_t dev) 79 { 80 device_set_desc(dev, "System Management Bus"); 81 82 return (0); 83 } 84 85 static int 86 smbus_attach(device_t dev) 87 { 88 device_add_child(dev, NULL, -1); 89 bus_generic_attach(dev); 90 91 return (0); 92 } 93 94 void 95 smbus_generic_intr(device_t dev, u_char devaddr, char low, char high) 96 { 97 return; 98 } 99 100 DRIVER_MODULE(smbus, iicsmb, smbus_driver, smbus_devclass, 0, 0); 101 DRIVER_MODULE(smbus, bktr, smbus_driver, smbus_devclass, 0, 0); 102 DRIVER_MODULE(smbus, intsmb, smbus_driver, smbus_devclass, 0, 0); 103 DRIVER_MODULE(smbus, alpm, smbus_driver, smbus_devclass, 0, 0); 104 DRIVER_MODULE(smbus, ichsmb, smbus_driver, smbus_devclass, 0, 0); 105 DRIVER_MODULE(smbus, amdpm, smbus_driver, smbus_devclass, 0, 0); 106 DRIVER_MODULE(smbus, amdsmb, smbus_driver, smbus_devclass, 0, 0); 107 DRIVER_MODULE(smbus, nfsmb, smbus_driver, smbus_devclass, 0, 0); 108 DRIVER_MODULE(smbus, viapropm, smbus_driver, smbus_devclass, 0, 0); 109 MODULE_VERSION(smbus, SMBUS_MODVER); 110