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 1.10 2004/03/19 17:36:47 scottl Exp $
29 * $DragonFly: src/sys/dev/raid/ips/ips_pci.c,v 1.8 2004/09/26 05:30:24 dillon Exp $
32 #include <dev/raid/ips/ips.h>
34 static int ips_pci_free(ips_softc_t *sc);
35 static void ips_intrhook(void *arg);
37 static struct ips_pci_product {
38 uint16_t vendor, device;
40 int (*ips_adapter_reinit)(struct ips_softc *, int);
41 void (*ips_adapter_intr)(void *);
42 void (*ips_issue_cmd)(ips_command_t *);
43 } ips_pci_products[] = {
44 { IPS_VENDOR_ID, IPS_MORPHEUS_DEVICE_ID, "IBM ServeRAID Adapter",
45 ips_morpheus_reinit, ips_morpheus_intr, ips_issue_morpheus_cmd },
46 { IPS_VENDOR_ID, IPS_COPPERHEAD_DEVICE_ID, "IBM ServeRAID Adapter",
47 ips_copperhead_reinit, ips_copperhead_intr,
48 ips_issue_copperhead_cmd },
49 { IPS_VENDOR_ID_ADAPTEC, IPS_MARCO_DEVICE_ID,
50 "Adaptec ServeRAID Adapter", ips_morpheus_reinit, ips_morpheus_intr,
51 ips_issue_morpheus_cmd },
56 ips_pci_probe(device_t dev)
58 uint16_t vendor = pci_get_vendor(dev);
59 uint16_t device = pci_get_device(dev);
60 struct ips_pci_product *pp;
63 for (pp = ips_pci_products; pp->vendor; pp++) {
64 if (vendor == pp->vendor && device == pp->device) {
65 sc = (ips_softc_t *)device_get_softc(dev);
66 sc->ips_adapter_reinit = pp->ips_adapter_reinit;
67 sc->ips_adapter_intr = pp->ips_adapter_intr;
68 sc->ips_issue_cmd = pp->ips_issue_cmd;
69 device_set_desc(dev, pp->desc);
77 ips_pci_attach(device_t dev)
82 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) {
83 device_printf(dev, "device is disabled\n");
84 /* but return 0 so the !$)$)*!$*) unit isn't reused */
87 DEVICE_PRINTF(1, dev, "in attach.\n");
88 sc = (ips_softc_t *)device_get_softc(dev);
90 /* make sure busmastering is on */
91 pci_enable_busmaster(dev);
92 command = pci_read_config(dev, PCIR_COMMAND, 1);
93 /* seting up io space */
95 if (command & PCIM_CMD_MEMEN) {
96 PRINTF(10, "trying MEMIO\n");
97 if (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)
98 sc->rid = PCIR_BAR(1);
100 sc->rid = PCIR_BAR(0);
101 sc->iotype = SYS_RES_MEMORY;
102 sc->iores = bus_alloc_resource_any(dev, sc->iotype,
103 &sc->rid, RF_ACTIVE);
105 if (sc->iores == NULL && command & PCIM_CMD_PORTEN) {
106 PRINTF(10, "trying PORTIO\n");
107 sc->rid = PCIR_BAR(0);
108 sc->iotype = SYS_RES_IOPORT;
109 sc->iores = bus_alloc_resource_any(dev, sc->iotype,
110 &sc->rid, RF_ACTIVE);
112 if (sc->iores == NULL) {
113 device_printf(dev, "resource allocation failed\n");
116 sc->bustag = rman_get_bustag(sc->iores);
117 sc->bushandle = rman_get_bushandle(sc->iores);
119 * allocate an interrupt. when does the irq become active?
120 * after leaving attach?
123 if ((sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ,
124 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
125 device_printf(dev, "irq allocation failed\n");
128 if (bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO,
129 sc->ips_adapter_intr, sc, &sc->irqcookie)) {
130 device_printf(dev, "irq setup failed\n");
133 if (bus_dma_tag_create( /* parent */ NULL,
136 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
137 /* highaddr */ BUS_SPACE_MAXADDR,
139 /* filterarg */ NULL,
140 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
141 /* numsegs */ IPS_MAX_SG_ELEMENTS,
142 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT,
144 &sc->adapter_dmatag) != 0) {
145 printf("IPS can't alloc dma tag\n");
148 sc->ips_ich.ich_func = ips_intrhook;
149 sc->ips_ich.ich_arg = sc;
150 if (config_intrhook_establish(&sc->ips_ich) != 0) {
151 printf("IPS can't establish configuration hook\n");
161 ips_intrhook(void *arg)
163 struct ips_softc *sc = arg;
165 config_intrhook_disestablish(&sc->ips_ich);
166 if (ips_adapter_init(sc))
173 ips_pci_free(ips_softc_t *sc)
176 if (sc->adapter_dmatag)
177 bus_dma_tag_destroy(sc->adapter_dmatag);
179 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie);
181 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid,
184 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores);
190 ips_pci_detach(device_t dev)
194 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n");
195 sc = (ips_softc_t *)device_get_softc(dev);
196 if (sc->configured) {
199 if (ips_adapter_free(sc))
208 ips_pci_shutdown(device_t dev)
212 sc = (ips_softc_t *)device_get_softc(dev);
218 static device_method_t ips_driver_methods[] = {
219 DEVMETHOD(device_probe, ips_pci_probe),
220 DEVMETHOD(device_attach, ips_pci_attach),
221 DEVMETHOD(device_detach, ips_pci_detach),
222 DEVMETHOD(device_shutdown, ips_pci_shutdown),
226 static driver_t ips_pci_driver = {
232 static devclass_t ips_devclass;
233 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0);