2 * Copyright (c) 2002 Adaptec Inc.
5 * Written by: David Jeffery
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * FreeBSD: src/sys/dev/ips/ips_pci.c,v 1.7 2003/09/11 23:30:28 ps
29 * $DragonFly: src/sys/dev/raid/ips/ips_pci.c,v 1.2 2004/02/22 07:27:56 dillon Exp $
32 #include <sys/cdefs.h>
34 #include <dev/raid/ips/ips.h>
36 static int ips_pci_free(ips_softc_t *sc);
37 static void ips_intrhook(void *arg);
40 ips_pci_probe(device_t dev)
43 if ((pci_get_vendor(dev) == IPS_VENDOR_ID) &&
44 (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) {
45 device_set_desc(dev, "IBM ServeRAID Adapter");
47 } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) &&
48 (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) {
49 device_set_desc(dev, "IBM ServeRAID Adapter");
56 ips_pci_attach(device_t dev)
61 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) {
62 device_printf(dev, "device is disabled\n");
63 /* but return 0 so the !$)$)*!$*) unit isn't reused */
66 DEVICE_PRINTF(1, dev, "in attach.\n");
67 sc = (ips_softc_t *)device_get_softc(dev);
69 printf("how is sc NULL?!\n");
72 bzero(sc, sizeof(ips_softc_t));
74 if (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID) {
75 sc->ips_adapter_reinit = ips_morpheus_reinit;
76 sc->ips_adapter_intr = ips_morpheus_intr;
77 sc->ips_issue_cmd = ips_issue_morpheus_cmd;
78 } else if (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) {
79 sc->ips_adapter_reinit = ips_copperhead_reinit;
80 sc->ips_adapter_intr = ips_copperhead_intr;
81 sc->ips_issue_cmd = ips_issue_copperhead_cmd;
84 /* make sure busmastering is on */
85 command = pci_read_config(dev, PCIR_COMMAND, 1);
86 command |= PCIM_CMD_BUSMASTEREN;
87 pci_write_config(dev, PCIR_COMMAND, command, 1);
88 /* seting up io space */
90 if (command & PCIM_CMD_MEMEN) {
91 PRINTF(10, "trying MEMIO\n");
92 if (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)
93 sc->rid = PCIR_BAR(0);
95 sc->rid = PCIR_BAR(1);
96 sc->iotype = SYS_RES_MEMORY;
97 sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0,
100 if (sc->iores == NULL && command & PCIM_CMD_PORTEN) {
101 PRINTF(10, "trying PORTIO\n");
102 sc->rid = PCIR_BAR(0);
103 sc->iotype = SYS_RES_IOPORT;
104 sc->iores = bus_alloc_resource(dev, sc->iotype, &sc->rid, 0,
107 if (sc->iores == NULL) {
108 device_printf(dev, "resource allocation failed\n");
111 sc->bustag = rman_get_bustag(sc->iores);
112 sc->bushandle = rman_get_bushandle(sc->iores);
114 * allocate an interrupt. when does the irq become active?
115 * after leaving attach?
118 if ((sc->irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqrid,
119 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
120 device_printf(dev, "irq allocation failed\n");
123 if (bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO,
124 sc->ips_adapter_intr, sc, &sc->irqcookie)) {
125 device_printf(dev, "irq setup failed\n");
128 if (bus_dma_tag_create( /* parent */ NULL,
131 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
132 /* highaddr */ BUS_SPACE_MAXADDR,
134 /* filterarg */ NULL,
135 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
136 /* numsegs */ IPS_MAX_SG_ELEMENTS,
137 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT,
139 &sc->adapter_dmatag) != 0) {
140 printf("IPS can't alloc dma tag\n");
143 sc->ips_ich.ich_func = ips_intrhook;
144 sc->ips_ich.ich_arg = sc;
145 if (config_intrhook_establish(&sc->ips_ich) != 0) {
146 printf("IPS can't establish configuration hook\n");
156 ips_intrhook(void *arg)
158 struct ips_softc *sc = arg;
160 config_intrhook_disestablish(&sc->ips_ich);
161 if (ips_adapter_init(sc))
168 ips_pci_free(ips_softc_t *sc)
171 if (sc->adapter_dmatag)
172 bus_dma_tag_destroy(sc->adapter_dmatag);
174 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie);
176 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid,
179 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores);
185 ips_pci_detach(device_t dev)
189 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n");
190 sc = (ips_softc_t *)device_get_softc(dev);
191 if (sc->configured) {
194 if (ips_adapter_free(sc))
203 ips_pci_shutdown(device_t dev)
207 sc = (ips_softc_t *)device_get_softc(dev);
213 static device_method_t ips_driver_methods[] = {
214 DEVMETHOD(device_probe, ips_pci_probe),
215 DEVMETHOD(device_attach, ips_pci_attach),
216 DEVMETHOD(device_detach, ips_pci_detach),
217 DEVMETHOD(device_shutdown, ips_pci_shutdown),
221 static driver_t ips_pci_driver = {
227 static devclass_t ips_devclass;
228 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0);