| smbconf.c (59760) | smbconf.c (93023) |
|---|---|
| 1/*- | 1/*- |
| 2 * Copyright (c) 1998 Nicolas Souchu | 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 --- 7 unchanged lines hidden (view full) --- 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 * | 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 --- 7 unchanged lines hidden (view full) --- 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: head/sys/dev/smbus/smbconf.c 59760 2000-04-29 15:36:14Z phk $ | 26 * $FreeBSD: head/sys/dev/smbus/smbconf.c 93023 2002-03-23 15:49:15Z nsouch $ |
| 27 * 28 */ 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/module.h> 32#include <sys/bus.h> 33 34#include <dev/smbus/smbconf.h> --- 38 unchanged lines hidden (view full) --- 73 error = EBUSY; 74 } else { 75 error = EINVAL; 76 } 77 78 return (error); 79} 80 | 27 * 28 */ 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/module.h> 32#include <sys/bus.h> 33 34#include <dev/smbus/smbconf.h> --- 38 unchanged lines hidden (view full) --- 73 error = EBUSY; 74 } else { 75 error = EINVAL; 76 } 77 78 return (error); 79} 80 |
| 81/* 82 * smbus_alloc_bus() 83 * 84 * Allocate a new bus connected to the given parent device 85 */ 86device_t 87smbus_alloc_bus(device_t parent) 88{ 89 device_t child; 90 91 /* add the bus to the parent */ 92 child = device_add_child(parent, "smbus", -1); 93 94 return (child); 95} 96 | |
| 97static int 98smbus_poll(struct smbus_softc *sc, int how) 99{ 100 int error; 101 102 switch (how) { 103 case (SMB_WAIT | SMB_INTR): 104 error = tsleep(sc, SMBPRI|PCATCH, "smbreq", 0); --- 80 unchanged lines hidden (view full) --- 185 sc->owner = 0; 186 splx(s); 187 188 /* wakeup waiting processes */ 189 wakeup(sc); 190 191 return (0); 192} | 81static int 82smbus_poll(struct smbus_softc *sc, int how) 83{ 84 int error; 85 86 switch (how) { 87 case (SMB_WAIT | SMB_INTR): 88 error = tsleep(sc, SMBPRI|PCATCH, "smbreq", 0); --- 80 unchanged lines hidden (view full) --- 169 sc->owner = 0; 170 splx(s); 171 172 /* wakeup waiting processes */ 173 wakeup(sc); 174 175 return (0); 176} |
| 193 194/* 195 * smbus_get_addr() 196 * 197 * Get the I2C 7 bits address of the device 198 */ 199u_char 200smbus_get_addr(device_t dev) 201{ 202 uintptr_t addr; 203 device_t parent = device_get_parent(dev); 204 205 BUS_READ_IVAR(parent, dev, SMBUS_IVAR_ADDR, &addr); 206 207 return ((u_char)addr); 208} | |