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); 529a77af90SRuslan Ermilov static int smbus_attach(device_t); 53d70424edSNicolas Souchu 54d70424edSNicolas Souchu static device_method_t smbus_methods[] = { 55d70424edSNicolas Souchu /* device interface */ 56d70424edSNicolas Souchu DEVMETHOD(device_probe, smbus_probe), 579a77af90SRuslan Ermilov DEVMETHOD(device_attach, smbus_attach), 58d70424edSNicolas Souchu DEVMETHOD(device_detach, bus_generic_detach), 59d70424edSNicolas Souchu 60d70424edSNicolas Souchu /* bus interface */ 6115317dd8SMatthew N. Dodd DEVMETHOD(bus_print_child, bus_generic_print_child), 62d70424edSNicolas Souchu 63d70424edSNicolas Souchu { 0, 0 } 64d70424edSNicolas Souchu }; 65d70424edSNicolas Souchu 66d70424edSNicolas Souchu static driver_t smbus_driver = { 67d70424edSNicolas Souchu "smbus", 68d70424edSNicolas Souchu smbus_methods, 69d70424edSNicolas Souchu sizeof(struct smbus_softc), 70d70424edSNicolas Souchu }; 71d70424edSNicolas Souchu 72d70424edSNicolas Souchu /* 73d70424edSNicolas Souchu * At 'probe' time, we add all the devices which we know about to the 74d70424edSNicolas Souchu * bus. The generic attach routine will probe and attach them if they 75d70424edSNicolas Souchu * are alive. 76d70424edSNicolas Souchu */ 77d70424edSNicolas Souchu static int 78d70424edSNicolas Souchu smbus_probe(device_t dev) 79d70424edSNicolas Souchu { 803ab1f056SNicolas Souchu device_set_desc(dev, "System Management Bus"); 81517e2485SNicolas Souchu 82d70424edSNicolas Souchu return (0); 83d70424edSNicolas Souchu } 84d70424edSNicolas Souchu 859a77af90SRuslan Ermilov static int 869a77af90SRuslan Ermilov smbus_attach(device_t dev) 879a77af90SRuslan Ermilov { 889a77af90SRuslan Ermilov device_add_child(dev, NULL, -1); 899a77af90SRuslan Ermilov bus_generic_attach(dev); 909a77af90SRuslan Ermilov 919a77af90SRuslan Ermilov return (0); 929a77af90SRuslan Ermilov } 939a77af90SRuslan Ermilov 94d70424edSNicolas Souchu void 95d70424edSNicolas Souchu smbus_generic_intr(device_t dev, u_char devaddr, char low, char high) 96d70424edSNicolas Souchu { 97d70424edSNicolas Souchu return; 98d70424edSNicolas Souchu } 99d70424edSNicolas Souchu 100d70424edSNicolas Souchu DRIVER_MODULE(smbus, iicsmb, smbus_driver, smbus_devclass, 0, 0); 101c17d4340SNicolas Souchu DRIVER_MODULE(smbus, bktr, smbus_driver, smbus_devclass, 0, 0); 102517e2485SNicolas Souchu DRIVER_MODULE(smbus, intsmb, smbus_driver, smbus_devclass, 0, 0); 103c17d4340SNicolas Souchu DRIVER_MODULE(smbus, alpm, smbus_driver, smbus_devclass, 0, 0); 1043c5656bfSArchie Cobbs DRIVER_MODULE(smbus, ichsmb, smbus_driver, smbus_devclass, 0, 0); 105c17d4340SNicolas Souchu DRIVER_MODULE(smbus, amdpm, smbus_driver, smbus_devclass, 0, 0); 106c17d4340SNicolas Souchu DRIVER_MODULE(smbus, viapropm, smbus_driver, smbus_devclass, 0, 0); 107c17d4340SNicolas Souchu MODULE_VERSION(smbus, SMBUS_MODVER); 108