Line data Source code
1 : /* $OpenBSD: if_malo_pci.c,v 1.10 2015/11/24 17:11:39 mpi Exp $ */
2 :
3 : /*
4 : * Copyright (c) 2006 Marcus Glocker <mglocker@openbsd.org>
5 : *
6 : * Permission to use, copy, modify, and distribute this software for any
7 : * purpose with or without fee is hereby granted, provided that the above
8 : * copyright notice and this permission notice appear in all copies.
9 : *
10 : * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 : * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 : * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 : * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 : * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 : * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 : * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 : */
18 :
19 : /*
20 : * PCI front-end for the Marvell Libertas
21 : */
22 :
23 : #include "bpfilter.h"
24 :
25 : #include <sys/param.h>
26 : #include <sys/sockio.h>
27 : #include <sys/mbuf.h>
28 : #include <sys/kernel.h>
29 : #include <sys/socket.h>
30 : #include <sys/systm.h>
31 : #include <sys/malloc.h>
32 : #include <sys/timeout.h>
33 : #include <sys/device.h>
34 :
35 : #include <machine/bus.h>
36 :
37 : #include <net/if.h>
38 : #include <net/if_media.h>
39 :
40 : #include <netinet/in.h>
41 : #include <netinet/if_ether.h>
42 :
43 : #include <net80211/ieee80211_var.h>
44 : #include <net80211/ieee80211_radiotap.h>
45 :
46 : #include <dev/ic/malo.h>
47 :
48 : #include <dev/pci/pcireg.h>
49 : #include <dev/pci/pcivar.h>
50 : #include <dev/pci/pcidevs.h>
51 :
52 : /* Base Address Register */
53 : #define MALO_PCI_BAR1 0x10
54 : #define MALO_PCI_BAR2 0x14
55 :
56 : int malo_pci_match(struct device *, void *, void *);
57 : void malo_pci_attach(struct device *, struct device *, void *);
58 : int malo_pci_detach(struct device *, int);
59 : int malo_pci_activate(struct device *, int);
60 : void malo_pci_wakeup(struct malo_softc *);
61 :
62 : struct malo_pci_softc {
63 : struct malo_softc sc_malo;
64 :
65 : pci_chipset_tag_t sc_pc;
66 : void *sc_ih;
67 :
68 : bus_size_t sc_mapsize1;
69 : bus_size_t sc_mapsize2;
70 : };
71 :
72 : struct cfattach malo_pci_ca = {
73 : sizeof(struct malo_pci_softc), malo_pci_match, malo_pci_attach,
74 : malo_pci_detach, malo_pci_activate
75 : };
76 :
77 : const struct pci_matchid malo_pci_devices[] = {
78 : { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8310 },
79 : { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_1 },
80 : { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_2 }
81 : };
82 :
83 : int
84 0 : malo_pci_match(struct device *parent, void *match, void *aux)
85 : {
86 0 : return (pci_matchbyid((struct pci_attach_args *)aux, malo_pci_devices,
87 : sizeof(malo_pci_devices) / sizeof(malo_pci_devices[0])));
88 : }
89 :
90 : void
91 0 : malo_pci_attach(struct device *parent, struct device *self, void *aux)
92 : {
93 0 : struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
94 0 : struct pci_attach_args *pa = aux;
95 0 : struct malo_softc *sc = &psc->sc_malo;
96 : const char *intrstr = NULL;
97 0 : pci_intr_handle_t ih;
98 : int error;
99 :
100 0 : sc->sc_dmat = pa->pa_dmat;
101 0 : psc->sc_pc = pa->pa_pc;
102 :
103 : /* map control / status registers */
104 0 : error = pci_mapreg_map(pa, MALO_PCI_BAR1,
105 : PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
106 0 : &sc->sc_mem1_bt, &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0);
107 0 : if (error != 0) {
108 0 : printf(": can't map 1st mem space\n");
109 0 : return;
110 : }
111 :
112 : /* map control / status registers */
113 0 : error = pci_mapreg_map(pa, MALO_PCI_BAR2,
114 : PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
115 0 : &sc->sc_mem2_bt, &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0);
116 0 : if (error != 0) {
117 0 : printf(": can't map 2nd mem space\n");
118 0 : return;
119 : }
120 :
121 : /* map interrupt */
122 0 : if (pci_intr_map(pa, &ih) != 0) {
123 0 : printf(": can't map interrupt\n");
124 0 : return;
125 : }
126 :
127 : /* establish interrupt */
128 0 : intrstr = pci_intr_string(psc->sc_pc, ih);
129 0 : psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, malo_intr, sc,
130 0 : sc->sc_dev.dv_xname);
131 0 : if (psc->sc_ih == NULL) {
132 0 : printf(": could not establish interrupt");
133 0 : if (intrstr != NULL)
134 0 : printf(" at %s", intrstr);
135 0 : printf("\n");
136 0 : return;
137 : }
138 0 : printf(": %s", intrstr);
139 :
140 0 : malo_attach(sc);
141 0 : }
142 :
143 : int
144 0 : malo_pci_detach(struct device *self, int flags)
145 : {
146 0 : struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
147 0 : struct malo_softc *sc = &psc->sc_malo;
148 :
149 0 : malo_detach(sc);
150 0 : pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
151 :
152 0 : return (0);
153 : }
154 :
155 : int
156 0 : malo_pci_activate(struct device *self, int act)
157 : {
158 0 : struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
159 0 : struct malo_softc *sc = &psc->sc_malo;
160 0 : struct ifnet *ifp = &sc->sc_ic.ic_if;
161 :
162 0 : switch (act) {
163 : case DVACT_SUSPEND:
164 0 : if (ifp->if_flags & IFF_RUNNING)
165 0 : malo_stop(sc);
166 : break;
167 : case DVACT_WAKEUP:
168 0 : malo_pci_wakeup(sc);
169 0 : break;
170 : }
171 0 : return (0);
172 : }
173 :
174 : void
175 0 : malo_pci_wakeup(struct malo_softc *sc)
176 : {
177 0 : struct ifnet *ifp = &sc->sc_ic.ic_if;
178 :
179 0 : if (ifp->if_flags & IFF_UP)
180 0 : malo_init(ifp);
181 0 : }
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