2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2000 Michael Smith
5 * Copyright (c) 2001 Scott Long
6 * Copyright (c) 2000 BSDi
7 * Copyright (c) 2001-2010 Adaptec, Inc.
8 * Copyright (c) 2010-2012 PMC-Sierra, Inc.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
37 * PCI bus interface and resource allocation.
40 #include "opt_aacraid.h"
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/module.h>
52 #include <machine/bus.h>
53 #include <machine/resource.h>
56 #include <dev/pci/pcireg.h>
57 #include <dev/pci/pcivar.h>
59 #include <dev/aacraid/aacraid_reg.h>
60 #include <sys/aac_ioctl.h>
61 #include <dev/aacraid/aacraid_debug.h>
62 #include <dev/aacraid/aacraid_var.h>
64 static int aacraid_pci_probe(device_t dev);
65 static int aacraid_pci_attach(device_t dev);
67 static device_method_t aacraid_methods[] = {
68 /* Device interface */
69 DEVMETHOD(device_probe, aacraid_pci_probe),
70 DEVMETHOD(device_attach, aacraid_pci_attach),
71 DEVMETHOD(device_detach, aacraid_detach),
72 DEVMETHOD(device_suspend, aacraid_suspend),
73 DEVMETHOD(device_resume, aacraid_resume),
75 DEVMETHOD(bus_print_child, bus_generic_print_child),
76 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
80 static driver_t aacraid_pci_driver = {
83 sizeof(struct aac_softc)
86 static devclass_t aacraid_devclass;
97 } aacraid_family_identifiers[] = {
98 {0x9005, 0x028b, 0, 0, AAC_HWIF_SRC, 0,
99 "Adaptec RAID Controller"},
100 {0x9005, 0x028c, 0, 0, AAC_HWIF_SRCV, 0,
101 "Adaptec RAID Controller"},
102 {0x9005, 0x028d, 0, 0, AAC_HWIF_SRCV, 0,
103 "Adaptec RAID Controller"},
104 {0, 0, 0, 0, 0, 0, 0}
107 DRIVER_MODULE(aacraid, pci, aacraid_pci_driver, aacraid_devclass, 0, 0);
108 MODULE_PNP_INFO("U16:vendor;U16:device", pci, aacraid,
109 aacraid_family_identifiers,
110 nitems(aacraid_family_identifiers) - 1);
111 MODULE_DEPEND(aacraid, pci, 1, 1, 1);
113 static struct aac_ident *
114 aac_find_ident(device_t dev)
117 u_int16_t vendid, devid;
119 vendid = pci_get_vendor(dev);
120 devid = pci_get_device(dev);
122 for (m = aacraid_family_identifiers; m->vendor != 0; m++) {
123 if ((m->vendor == vendid) && (m->device == devid))
131 * Determine whether this is one of our supported adapters.
134 aacraid_pci_probe(device_t dev)
136 struct aac_ident *id;
138 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
140 if ((id = aac_find_ident(dev)) != NULL) {
141 device_set_desc(dev, id->desc);
142 return(BUS_PROBE_DEFAULT);
148 * Allocate resources for our device, set up the bus interface.
151 aacraid_pci_attach(device_t dev)
153 struct aac_softc *sc;
154 struct aac_ident *id;
158 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
163 sc = device_get_softc(dev);
164 bzero(sc, sizeof(*sc));
167 /* assume failure is 'not configured' */
171 * Verify that the adapter is correctly set up in PCI space.
173 pci_enable_busmaster(dev);
174 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
175 if (!(command & PCIM_CMD_BUSMASTEREN)) {
176 device_printf(sc->aac_dev, "can't enable bus-master feature\n");
181 * Detect the hardware interface version, set up the bus interface
184 id = aac_find_ident(dev);
185 sc->aac_hwif = id->hwif;
186 switch(sc->aac_hwif) {
188 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRC");
189 sc->aac_if = aacraid_src_interface;
192 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRCv");
193 sc->aac_if = aacraid_srcv_interface;
196 sc->aac_hwif = AAC_HWIF_UNKNOWN;
197 device_printf(sc->aac_dev, "unknown hardware type\n");
202 /* assume failure is 'out of memory' */
206 * Allocate the PCI register window.
208 sc->aac_regs_rid0 = PCIR_BAR(0);
209 if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev,
210 SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) {
211 device_printf(sc->aac_dev,
212 "couldn't allocate register window 0\n");
215 sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0);
216 sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0);
218 sc->aac_regs_rid1 = PCIR_BAR(2);
219 if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev,
220 SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) {
221 device_printf(sc->aac_dev,
222 "couldn't allocate register window 1\n");
225 sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1);
226 sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1);
229 * Allocate the parent bus DMA tag appropriate for our PCI interface.
231 * Note that some of these controllers are 64-bit capable.
233 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
234 PAGE_SIZE, 0, /* algnmnt, boundary */
235 BUS_SPACE_MAXADDR, /* lowaddr */
236 BUS_SPACE_MAXADDR, /* highaddr */
237 NULL, NULL, /* filter, filterarg */
238 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
239 BUS_SPACE_UNRESTRICTED, /* nsegments */
240 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
242 NULL, NULL, /* No locking needed */
243 &sc->aac_parent_dmat)) {
244 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
249 sc->flags = id->quirks;
252 * Do bus-independent initialisation.
254 error = aacraid_attach(sc);