iiconf.c (59760) | iiconf.c (93023) |
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1/*- 2 * Copyright (c) 1998 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 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 * | 1/*- 2 * Copyright (c) 1998 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 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/iicbus/iiconf.c 59760 2000-04-29 15:36:14Z phk $ | 26 * $FreeBSD: head/sys/dev/iicbus/iiconf.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/iicbus/iiconf.h> --- 10 unchanged lines hidden (view full) --- 45 46 /* call owner's intr routine */ 47 if (sc->owner) 48 IICBUS_INTR(sc->owner, event, buf); 49 50 return; 51} 52 | 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/iicbus/iiconf.h> --- 10 unchanged lines hidden (view full) --- 45 46 /* call owner's intr routine */ 47 if (sc->owner) 48 IICBUS_INTR(sc->owner, event, buf); 49 50 return; 51} 52 |
53/* 54 * iicbus_alloc_bus() 55 * 56 * Allocate a new bus connected to the given parent device 57 */ 58device_t 59iicbus_alloc_bus(device_t parent) 60{ 61 device_t child; 62 63 /* add the bus to the parent */ 64 child = device_add_child(parent, "iicbus", -1); 65 66 return (child); 67} 68 | |
69static int 70iicbus_poll(struct iicbus_softc *sc, int how) 71{ 72 int error; 73 74 switch (how) { 75 case (IIC_WAIT | IIC_INTR): 76 error = tsleep(sc, IICPRI|PCATCH, "iicreq", 0); --- 264 unchanged lines hidden (view full) --- 341 return (error); 342 343 error = iicbus_read(bus, buf, len, read, IIC_LAST_READ, 0); 344 345 iicbus_stop(bus); 346 347 return (error); 348} | 53static int 54iicbus_poll(struct iicbus_softc *sc, int how) 55{ 56 int error; 57 58 switch (how) { 59 case (IIC_WAIT | IIC_INTR): 60 error = tsleep(sc, IICPRI|PCATCH, "iicreq", 0); --- 264 unchanged lines hidden (view full) --- 325 return (error); 326 327 error = iicbus_read(bus, buf, len, read, IIC_LAST_READ, 0); 328 329 iicbus_stop(bus); 330 331 return (error); 332} |
349 350/* 351 * iicbus_get_addr() 352 * 353 * Get the I2C 7 bits address of the device 354 */ 355u_char 356iicbus_get_addr(device_t dev) 357{ 358 uintptr_t addr; 359 device_t parent = device_get_parent(dev); 360 361 BUS_READ_IVAR(parent, dev, IICBUS_IVAR_ADDR, &addr); 362 363 return ((u_char)addr); 364} 365 | |