2 * Copyright (c) 1997, 1998, 1999
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
32 * $FreeBSD: src/sys/dev/an/if_an_pci.c,v 1.2.2.8 2003/02/11 03:32:48 ambrisko Exp $
36 * This is a PCI shim for the Aironet PC4500/4800 wireless network
37 * driver. Aironet makes PCMCIA, ISA and PCI versions of these devices,
38 * which all have basically the same interface. The ISA and PCI cards
39 * are actually bridge adapters with PCMCIA cards inserted into them,
40 * however they appear as normal PCI or ISA devices to the host.
42 * All we do here is handle the PCI probe and attach and set up an
43 * interrupt handler entry point. The PCI version of the card uses
44 * a PLX 9050 PCI to "dumb bus" bridge chip, which provides us with
45 * multiple PCI address space mappings. The primary mapping at PCI
46 * register 0x14 is for the PLX chip itself, *NOT* the Aironet card.
47 * The I/O address of the Aironet is actually at register 0x18, which
48 * is the local bus mapping register for bus space 0. There are also
49 * registers for additional register spaces at registers 0x1C and
50 * 0x20, but these are unused in the Aironet devices. To find out
51 * more, you need a datasheet for the 9050 from PLX, but you have
52 * to go through their sales office to get it. Bleh.
61 #include <sys/param.h>
62 #include <sys/systm.h>
63 #include <sys/sockio.h>
65 #include <sys/malloc.h>
66 #include <sys/kernel.h>
67 #include <sys/socket.h>
68 #include <sys/interrupt.h>
69 #include <sys/module.h>
74 #include <net/if_arp.h>
75 #include <net/ethernet.h>
76 #include <net/if_dl.h>
77 #include <net/if_media.h>
79 #include <bus/pci/pcidevs.h>
80 #include <bus/pci/pcireg.h>
81 #include <bus/pci/pcivar.h>
83 #include "if_aironet_ieee.h"
93 static const struct an_type an_devs[] = {
94 { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_350,
95 PCIR_BAR(2), "Cisco Aironet 350 Series" },
96 { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4500,
97 PCIR_BAR(2), "Aironet PCI4500" },
98 { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4800,
99 PCIR_BAR(2), "Aironet PCI4800" },
100 { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4xxx,
101 PCIR_BAR(2), "Aironet PCI4500/PCI4800" },
102 { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_MPI350,
103 PCIR_BAR(0), "Cisco Aironet MPI350" },
107 static int an_probe_pci (device_t);
108 static int an_attach_pci (device_t);
109 static int an_suspend_pci (device_t);
110 static int an_resume_pci (device_t);
113 an_probe_pci(device_t dev)
115 const struct an_type *t;
118 vid = pci_get_vendor(dev);
119 did = pci_get_device(dev);
120 for (t = an_devs; t->an_name != NULL; ++t) {
121 if (vid == t->an_vid && did == t->an_did) {
124 sc = device_get_softc(dev);
125 sc->port_rid = t->an_port_rid;
126 if (vid == PCI_VENDOR_AIRONET &&
127 did == PCI_PRODUCT_AIRONET_MPI350)
130 device_set_desc(dev, t->an_name);
138 an_attach_pci(device_t dev)
144 sc = device_get_softc(dev);
145 ifp = &sc->arpcom.ac_if;
146 flags = device_get_flags(dev);
148 error = an_alloc_port(dev, sc->port_rid, 1);
150 device_printf(dev, "couldn't map ports\n");
154 sc->an_btag = rman_get_bustag(sc->port_res);
155 sc->an_bhandle = rman_get_bushandle(sc->port_res);
157 /* Allocate memory for MPI350 */
159 /* Allocate memory */
160 sc->mem_rid = PCIR_MAPS + 4;
161 error = an_alloc_memory(dev, sc->mem_rid, 1);
163 device_printf(dev, "couldn't map memory\n");
166 sc->an_mem_btag = rman_get_bustag(sc->mem_res);
167 sc->an_mem_bhandle = rman_get_bushandle(sc->mem_res);
169 /* Allocate aux. memory */
170 sc->mem_aux_rid = PCIR_MAPS + 8;
171 error = an_alloc_aux_memory(dev, sc->mem_aux_rid,
174 device_printf(dev, "couldn't map aux memory\n");
177 sc->an_mem_aux_btag = rman_get_bustag(sc->mem_aux_res);
178 sc->an_mem_aux_bhandle = rman_get_bushandle(sc->mem_aux_res);
180 /* Allocate DMA region */
181 error = bus_dma_tag_create(NULL, /* parent */
182 1, 0, /* alignment, bounds */
183 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
184 BUS_SPACE_MAXADDR, /* highaddr */
185 NULL, NULL, /* filter, filterarg */
186 0x3ffff, /* maxsize XXX */
188 0xffff, /* maxsegsize XXX */
189 BUS_DMA_ALLOCNOW, /* flags */
192 device_printf(dev, "couldn't get DMA region\n");
197 /* Allocate interrupt */
198 error = an_alloc_irq(dev, 0, RF_SHAREABLE);
202 error = an_attach(sc, dev, flags);
206 error = bus_setup_intr(dev, sc->irq_res, INTR_MPSAFE,
207 an_intr, sc, &sc->irq_handle,
208 sc->arpcom.ac_if.if_serializer);
210 ifmedia_removeall(&sc->an_ifmedia);
211 ether_ifdetach(&sc->arpcom.ac_if);
215 ifp->if_cpuid = ithread_cpuid(rman_get_start(sc->irq_res));
216 KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
221 an_release_resources(dev);
226 an_suspend_pci(device_t dev)
234 an_resume_pci(device_t dev)
241 static device_method_t an_pci_methods[] = {
242 /* Device interface */
243 DEVMETHOD(device_probe, an_probe_pci),
244 DEVMETHOD(device_attach, an_attach_pci),
245 DEVMETHOD(device_detach, an_detach),
246 DEVMETHOD(device_shutdown, an_shutdown),
247 DEVMETHOD(device_suspend, an_suspend_pci),
248 DEVMETHOD(device_resume, an_resume_pci),
252 static driver_t an_pci_driver = {
255 sizeof(struct an_softc),
258 static devclass_t an_devclass;
260 DRIVER_MODULE(if_an, pci, an_pci_driver, an_devclass, NULL, NULL);