2 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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
26 * $FreeBSD: head/sys/dev/ipmi/ipmi_smbus.c 162562 2006-09-22 22:11:29Z jhb $
29 #include <sys/param.h>
30 #include <sys/systm.h>
32 #include <sys/condvar.h>
33 #include <sys/eventhandler.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
39 #include <bus/smbus/smbconf.h>
40 #include <bus/smbus/smbus.h>
41 #include <dev/smbus/smb/smb.h>
48 #include <dev/misc/ipmi/ipmivars.h>
51 static void ipmi_smbus_identify(driver_t *driver, device_t parent);
52 static int ipmi_smbus_probe(device_t dev);
53 static int ipmi_smbus_attach(device_t dev);
56 ipmi_smbus_identify(driver_t *driver, device_t parent)
58 struct ipmi_get_info info;
60 if (ipmi_smbios_identify(&info) && info.iface_type == SSIF_MODE &&
61 device_find_child(parent, "ipmi", -1) == NULL)
62 BUS_ADD_CHILD(parent, parent, 0, "ipmi", -1);
66 ipmi_smbus_probe(device_t dev)
69 device_set_desc(dev, "IPMI System Interface");
70 return (BUS_PROBE_DEFAULT);
74 ipmi_smbus_attach(device_t dev)
76 struct ipmi_softc *sc = device_get_softc(dev);
77 struct ipmi_get_info info;
80 /* This should never fail. */
81 if (!ipmi_smbios_identify(&info))
84 if (info.iface_type != SSIF_MODE) {
85 device_printf(dev, "No SSIF IPMI interface found\n");
93 sc->ipmi_irq_res = bus_alloc_resource(dev, SYS_RES_IRQ,
94 &sc->ipmi_irq_rid, info.irq, info.irq, 1,
95 RF_SHAREABLE | RF_ACTIVE);
98 device_printf(dev, "SSIF mode found at address 0x%llx on %s\n",
99 (long long)info.address, device_get_name(device_get_parent(dev)));
100 error = ipmi_ssif_attach(sc, device_get_parent(dev), info.address);
104 error = ipmi_attach(dev);
110 ipmi_release_resources(dev);
114 static device_method_t ipmi_methods[] = {
115 /* Device interface */
116 DEVMETHOD(device_identify, ipmi_smbus_identify),
117 DEVMETHOD(device_probe, ipmi_smbus_probe),
118 DEVMETHOD(device_attach, ipmi_smbus_attach),
119 DEVMETHOD(device_detach, ipmi_detach),
123 static driver_t ipmi_smbus_driver = {
126 sizeof(struct ipmi_softc)
129 DRIVER_MODULE(ipmi_smbus, smbus, ipmi_smbus_driver, ipmi_devclass, 0, 0);
130 MODULE_DEPEND(ipmi_smbus, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER);