Annotation of sys/dev/pci/if_ral_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_ral_pci.c,v 1.8 2006/11/18 20:44:40 grange Exp $ */
2:
3: /*-
4: * Copyright (c) 2005, 2006
5: * Damien Bergamini <damien.bergamini@free.fr>
6: *
7: * Permission to use, copy, modify, and distribute this software for any
8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
10: *
11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19:
20: /*
21: * PCI front-end for the Ralink RT2560/RT2561/RT2561S/RT2661 driver.
22: */
23:
24: #include "bpfilter.h"
25:
26: #include <sys/param.h>
27: #include <sys/sockio.h>
28: #include <sys/mbuf.h>
29: #include <sys/kernel.h>
30: #include <sys/socket.h>
31: #include <sys/systm.h>
32: #include <sys/malloc.h>
33: #include <sys/timeout.h>
34: #include <sys/device.h>
35:
36: #include <machine/bus.h>
37: #include <machine/intr.h>
38:
39: #include <net/if.h>
40: #include <net/if_dl.h>
41: #include <net/if_media.h>
42:
43: #include <netinet/in.h>
44: #include <netinet/if_ether.h>
45:
46: #include <net80211/ieee80211_var.h>
47: #include <net80211/ieee80211_amrr.h>
48: #include <net80211/ieee80211_radiotap.h>
49:
50: #include <dev/ic/rt2560var.h>
51: #include <dev/ic/rt2661var.h>
52:
53: #include <dev/pci/pcireg.h>
54: #include <dev/pci/pcivar.h>
55: #include <dev/pci/pcidevs.h>
56:
57: static struct ral_opns {
58: int (*attach)(void *, int);
59: int (*detach)(void *);
60: int (*intr)(void *);
61:
62: } ral_rt2560_opns = {
63: rt2560_attach,
64: rt2560_detach,
65: rt2560_intr
66:
67: }, ral_rt2661_opns = {
68: rt2661_attach,
69: rt2661_detach,
70: rt2661_intr
71: };
72:
73: struct ral_pci_softc {
74: union {
75: struct rt2560_softc sc_rt2560;
76: struct rt2661_softc sc_rt2661;
77: } u;
78: #define sc_sc u.sc_rt2560
79:
80: /* PCI specific goo */
81: struct ral_opns *sc_opns;
82: pci_chipset_tag_t sc_pc;
83: void *sc_ih;
84: bus_size_t sc_mapsize;
85: };
86:
87: /* Base Address Register */
88: #define RAL_PCI_BAR0 0x10
89:
90: int ral_pci_match(struct device *, void *, void *);
91: void ral_pci_attach(struct device *, struct device *, void *);
92: int ral_pci_detach(struct device *, int);
93:
94: struct cfattach ral_pci_ca = {
95: sizeof (struct ral_pci_softc), ral_pci_match, ral_pci_attach,
96: ral_pci_detach
97: };
98:
99: const struct pci_matchid ral_pci_devices[] = {
100: { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 },
101: { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 },
102: { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S },
103: { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 }
104: };
105:
106: int
107: ral_pci_match(struct device *parent, void *match, void *aux)
108: {
109: return (pci_matchbyid((struct pci_attach_args *)aux, ral_pci_devices,
110: sizeof (ral_pci_devices) / sizeof (ral_pci_devices[0])));
111: }
112:
113: void
114: ral_pci_attach(struct device *parent, struct device *self, void *aux)
115: {
116: struct ral_pci_softc *psc = (struct ral_pci_softc *)self;
117: struct rt2560_softc *sc = &psc->sc_sc;
118: struct pci_attach_args *pa = aux;
119: const char *intrstr;
120: pci_intr_handle_t ih;
121: int error;
122:
123: psc->sc_opns = (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_RALINK_RT2560) ?
124: &ral_rt2560_opns : &ral_rt2661_opns;
125:
126: sc->sc_dmat = pa->pa_dmat;
127: psc->sc_pc = pa->pa_pc;
128:
129: /* map control/status registers */
130: error = pci_mapreg_map(pa, RAL_PCI_BAR0, PCI_MAPREG_TYPE_MEM |
131: PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_st, &sc->sc_sh, NULL,
132: &psc->sc_mapsize, 0);
133: if (error != 0) {
134: printf(": could not map memory space\n");
135: return;
136: }
137:
138: if (pci_intr_map(pa, &ih) != 0) {
139: printf(": could not map interrupt\n");
140: return;
141: }
142:
143: intrstr = pci_intr_string(psc->sc_pc, ih);
144: psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET,
145: psc->sc_opns->intr, sc, sc->sc_dev.dv_xname);
146: if (psc->sc_ih == NULL) {
147: printf(": could not establish interrupt");
148: if (intrstr != NULL)
149: printf(" at %s", intrstr);
150: printf("\n");
151: return;
152: }
153: printf(": %s", intrstr);
154:
155: (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id));
156: }
157:
158: int
159: ral_pci_detach(struct device *self, int flags)
160: {
161: struct ral_pci_softc *psc = (struct ral_pci_softc *)self;
162: struct rt2560_softc *sc = &psc->sc_sc;
163:
164: (*psc->sc_opns->detach)(sc);
165: pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
166:
167: return 0;
168: }
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to if_ral_pci.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / pci