1d70424edSNicolas Souchu /*- 2c17d4340SNicolas Souchu * Copyright (c) 1998, 2001 Nicolas Souchu 3d70424edSNicolas Souchu * All rights reserved. 4d70424edSNicolas Souchu * 5d70424edSNicolas Souchu * Redistribution and use in source and binary forms, with or without 6d70424edSNicolas Souchu * modification, are permitted provided that the following conditions 7d70424edSNicolas Souchu * are met: 8d70424edSNicolas Souchu * 1. Redistributions of source code must retain the above copyright 9d70424edSNicolas Souchu * notice, this list of conditions and the following disclaimer. 10d70424edSNicolas Souchu * 2. Redistributions in binary form must reproduce the above copyright 11d70424edSNicolas Souchu * notice, this list of conditions and the following disclaimer in the 12d70424edSNicolas Souchu * documentation and/or other materials provided with the distribution. 13d70424edSNicolas Souchu * 14d70424edSNicolas Souchu * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15d70424edSNicolas Souchu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16d70424edSNicolas Souchu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17d70424edSNicolas Souchu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18d70424edSNicolas Souchu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19d70424edSNicolas Souchu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20d70424edSNicolas Souchu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21d70424edSNicolas Souchu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22d70424edSNicolas Souchu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23d70424edSNicolas Souchu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24d70424edSNicolas Souchu * SUCH DAMAGE. 25d70424edSNicolas Souchu * 26d70424edSNicolas Souchu * 27d70424edSNicolas Souchu */ 28945ff31aSDavid E. O'Brien 29945ff31aSDavid E. O'Brien #include <sys/cdefs.h> 30945ff31aSDavid E. O'Brien __FBSDID("$FreeBSD$"); 31d70424edSNicolas Souchu #include <sys/param.h> 32d70424edSNicolas Souchu #include <sys/systm.h> 33d70424edSNicolas Souchu #include <sys/kernel.h> 34d70424edSNicolas Souchu #include <sys/module.h> 35d70424edSNicolas Souchu #include <sys/bus.h> 36d70424edSNicolas Souchu 37d70424edSNicolas Souchu #include <dev/smbus/smbconf.h> 38d70424edSNicolas Souchu #include <dev/smbus/smbus.h> 39d70424edSNicolas Souchu 40d70424edSNicolas Souchu /* 41d70424edSNicolas Souchu * Autoconfiguration and support routines for the Philips serial I2C bus 42d70424edSNicolas Souchu */ 43d70424edSNicolas Souchu 44d70424edSNicolas Souchu #define DEVTOSMBUS(dev) ((struct smbus_device*)device_get_ivars(dev)) 45d70424edSNicolas Souchu 46d70424edSNicolas Souchu static devclass_t smbus_devclass; 47d70424edSNicolas Souchu 48d70424edSNicolas Souchu /* 49d70424edSNicolas Souchu * Device methods 50d70424edSNicolas Souchu */ 51d70424edSNicolas Souchu static int smbus_probe(device_t); 52d70424edSNicolas Souchu static int smbus_attach(device_t); 53c17d4340SNicolas Souchu static int smbus_add_child(device_t dev, int order, const char *name, int unit); 54d70424edSNicolas Souchu 55d70424edSNicolas Souchu static device_method_t smbus_methods[] = { 56d70424edSNicolas Souchu /* device interface */ 57d70424edSNicolas Souchu DEVMETHOD(device_probe, smbus_probe), 58d70424edSNicolas Souchu DEVMETHOD(device_attach, smbus_attach), 59d70424edSNicolas Souchu DEVMETHOD(device_detach, bus_generic_detach), 60d70424edSNicolas Souchu 61d70424edSNicolas Souchu /* bus interface */ 62c17d4340SNicolas Souchu DEVMETHOD(bus_add_child, smbus_add_child), 6315317dd8SMatthew N. Dodd DEVMETHOD(bus_print_child, bus_generic_print_child), 64d70424edSNicolas Souchu 65d70424edSNicolas Souchu { 0, 0 } 66d70424edSNicolas Souchu }; 67d70424edSNicolas Souchu 68d70424edSNicolas Souchu static driver_t smbus_driver = { 69d70424edSNicolas Souchu "smbus", 70d70424edSNicolas Souchu smbus_methods, 71d70424edSNicolas Souchu sizeof(struct smbus_softc), 72d70424edSNicolas Souchu }; 73d70424edSNicolas Souchu 74d70424edSNicolas Souchu /* 75d70424edSNicolas Souchu * At 'probe' time, we add all the devices which we know about to the 76d70424edSNicolas Souchu * bus. The generic attach routine will probe and attach them if they 77d70424edSNicolas Souchu * are alive. 78d70424edSNicolas Souchu */ 79d70424edSNicolas Souchu static int 80d70424edSNicolas Souchu smbus_probe(device_t dev) 81d70424edSNicolas Souchu { 823ab1f056SNicolas Souchu device_set_desc(dev, "System Management Bus"); 83517e2485SNicolas Souchu 84d70424edSNicolas Souchu return (0); 85d70424edSNicolas Souchu } 86d70424edSNicolas Souchu 87d70424edSNicolas Souchu static int 88d70424edSNicolas Souchu smbus_attach(device_t dev) 89d70424edSNicolas Souchu { 90c17d4340SNicolas Souchu device_add_child(dev, NULL, -1); 91c17d4340SNicolas Souchu bus_generic_attach(dev); 92d70424edSNicolas Souchu 93c17d4340SNicolas Souchu return (0); 943ab1f056SNicolas Souchu } 95c17d4340SNicolas Souchu 96c17d4340SNicolas Souchu static int 97c17d4340SNicolas Souchu smbus_add_child(device_t dev, int order, const char *name, int unit) 98c17d4340SNicolas Souchu { 99c17d4340SNicolas Souchu device_add_child_ordered(dev, order, name, unit); 100c17d4340SNicolas Souchu 101517e2485SNicolas Souchu bus_generic_attach(dev); 1023ab1f056SNicolas Souchu 103d70424edSNicolas Souchu return (0); 104d70424edSNicolas Souchu } 105d70424edSNicolas Souchu 106d70424edSNicolas Souchu void 107d70424edSNicolas Souchu smbus_generic_intr(device_t dev, u_char devaddr, char low, char high) 108d70424edSNicolas Souchu { 109d70424edSNicolas Souchu return; 110d70424edSNicolas Souchu } 111d70424edSNicolas Souchu 112d70424edSNicolas Souchu DRIVER_MODULE(smbus, iicsmb, smbus_driver, smbus_devclass, 0, 0); 113c17d4340SNicolas Souchu DRIVER_MODULE(smbus, bktr, smbus_driver, smbus_devclass, 0, 0); 114517e2485SNicolas Souchu DRIVER_MODULE(smbus, intsmb, smbus_driver, smbus_devclass, 0, 0); 115c17d4340SNicolas Souchu DRIVER_MODULE(smbus, alpm, smbus_driver, smbus_devclass, 0, 0); 1163c5656bfSArchie Cobbs DRIVER_MODULE(smbus, ichsmb, smbus_driver, smbus_devclass, 0, 0); 117c17d4340SNicolas Souchu DRIVER_MODULE(smbus, amdpm, smbus_driver, smbus_devclass, 0, 0); 118c17d4340SNicolas Souchu DRIVER_MODULE(smbus, viapropm, smbus_driver, smbus_devclass, 0, 0); 11944e6ce01SNicolas Souchu DRIVER_MODULE(smbus, nfpm, smbus_driver, smbus_devclass, 0, 0); 120c17d4340SNicolas Souchu MODULE_VERSION(smbus, SMBUS_MODVER); 121