| ichsmb.c (143160) | ichsmb.c (147253) |
|---|---|
| 1/*- 2 * ichsmb.c 3 * 4 * Author: Archie Cobbs <archie@freebsd.org> 5 * Copyright (c) 2000 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and --- 22 unchanged lines hidden (view full) --- 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 */ 37 38#include <sys/cdefs.h> | 1/*- 2 * ichsmb.c 3 * 4 * Author: Archie Cobbs <archie@freebsd.org> 5 * Copyright (c) 2000 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and --- 22 unchanged lines hidden (view full) --- 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 */ 37 38#include <sys/cdefs.h> |
| 39__FBSDID("$FreeBSD: head/sys/dev/ichsmb/ichsmb.c 143160 2005-03-05 18:17:35Z imp $"); | 39__FBSDID("$FreeBSD: head/sys/dev/ichsmb/ichsmb.c 147253 2005-06-10 16:12:43Z takawata $"); |
| 40 41/* 42 * Support for the SMBus controller logical device which is part of the 43 * Intel 81801AA (ICH) and 81801AB (ICH0) I/O controller hub chips. 44 * 45 * This driver assumes that the generic SMBus code will ensure that 46 * at most one process at a time calls into the SMBus methods below. 47 */ --- 43 unchanged lines hidden (view full) --- 91 92/* 93 * Handle probe-time duties that are independent of the bus 94 * our device lives on. 95 */ 96int 97ichsmb_probe(device_t dev) 98{ | 40 41/* 42 * Support for the SMBus controller logical device which is part of the 43 * Intel 81801AA (ICH) and 81801AB (ICH0) I/O controller hub chips. 44 * 45 * This driver assumes that the generic SMBus code will ensure that 46 * at most one process at a time calls into the SMBus methods below. 47 */ --- 43 unchanged lines hidden (view full) --- 91 92/* 93 * Handle probe-time duties that are independent of the bus 94 * our device lives on. 95 */ 96int 97ichsmb_probe(device_t dev) 98{ |
| 99 device_t smb; 100 101 /* Add child: an instance of the "smbus" device */ 102 if ((smb = device_add_child(dev, DRIVER_SMBUS, -1)) == NULL) { 103 log(LOG_ERR, "%s: no \"%s\" child found\n", 104 device_get_nameunit(dev), DRIVER_SMBUS); 105 return (ENXIO); 106 } | |
| 107 return (BUS_PROBE_DEFAULT); 108} 109 110/* 111 * Handle attach-time duties that are independent of the bus 112 * our device lives on. 113 */ 114int 115ichsmb_attach(device_t dev) 116{ 117 const sc_p sc = device_get_softc(dev); 118 int error; | 99 return (BUS_PROBE_DEFAULT); 100} 101 102/* 103 * Handle attach-time duties that are independent of the bus 104 * our device lives on. 105 */ 106int 107ichsmb_attach(device_t dev) 108{ 109 const sc_p sc = device_get_softc(dev); 110 int error; |
| 111 device_t smb; |
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| 119 | 112 |
| 113 /* Add child: an instance of the "smbus" device */ 114 if ((smb = device_add_child(dev, DRIVER_SMBUS, -1)) == NULL) { 115 log(LOG_ERR, "%s: no \"%s\" child found\n", 116 device_get_nameunit(dev), DRIVER_SMBUS); 117 return (ENXIO); 118 } 119 |
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| 120 /* Clear interrupt conditions */ 121 bus_space_write_1(sc->io_bst, sc->io_bsh, ICH_HST_STA, 0xff); 122 123 /* Add "smbus" child */ 124 if ((error = bus_generic_attach(dev)) != 0) { 125 log(LOG_ERR, "%s: failed to attach child: %d\n", 126 device_get_nameunit(dev), error); 127 return (ENXIO); --- 542 unchanged lines hidden (view full) --- 670 } 671 if (sc->io_res != NULL) { 672 bus_release_resource(dev, 673 SYS_RES_IOPORT, sc->io_rid, sc->io_res); 674 sc->io_res = NULL; 675 } 676} 677 | 120 /* Clear interrupt conditions */ 121 bus_space_write_1(sc->io_bst, sc->io_bsh, ICH_HST_STA, 0xff); 122 123 /* Add "smbus" child */ 124 if ((error = bus_generic_attach(dev)) != 0) { 125 log(LOG_ERR, "%s: failed to attach child: %d\n", 126 device_get_nameunit(dev), error); 127 return (ENXIO); --- 542 unchanged lines hidden (view full) --- 670 } 671 if (sc->io_res != NULL) { 672 bus_release_resource(dev, 673 SYS_RES_IOPORT, sc->io_rid, sc->io_res); 674 sc->io_res = NULL; 675 } 676} 677 |
| 678int ichsmb_detach(device_t dev) 679{ 680#if 0 681 const sc_p sc = device_get_softc(dev); 682 bus_generic_detach(dev); 683 device_delete_child(dev, sc->smb); 684 ichsmb_release_resources(sc); 685 686 return 0; 687#else 688 /*smbus drivers don't handle detach child properly*/ 689 return EBUSY; 690#endif 691} |
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