Annotation of sys/dev/pci/if_acx_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_acx_pci.c,v 1.6 2006/11/18 20:44:40 grange Exp $ */
2:
3: /*-
4: * Copyright (c) 2006 Theo de Raadt <deraadt@openbsd.org>
5: * Copyright (c) 2005, 2006
6: * Damien Bergamini <damien.bergamini@free.fr>
7: *
8: * Permission to use, copy, modify, and distribute this software for any
9: * purpose with or without fee is hereby granted, provided that the above
10: * copyright notice and this permission notice appear in all copies.
11: *
12: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19: */
20:
21: /*
22: * PCI front-end for the ACX100/111
23: */
24:
25: #include "bpfilter.h"
26:
27: #include <sys/param.h>
28: #include <sys/sockio.h>
29: #include <sys/mbuf.h>
30: #include <sys/kernel.h>
31: #include <sys/socket.h>
32: #include <sys/systm.h>
33: #include <sys/malloc.h>
34: #include <sys/timeout.h>
35: #include <sys/device.h>
36:
37: #include <machine/bus.h>
38: #include <machine/intr.h>
39:
40: #include <net/if.h>
41: #include <net/if_dl.h>
42: #include <net/if_media.h>
43:
44: #include <netinet/in.h>
45: #include <netinet/if_ether.h>
46:
47: #include <net80211/ieee80211_var.h>
48: #include <net80211/ieee80211_amrr.h>
49: #include <net80211/ieee80211_radiotap.h>
50:
51: #include <dev/ic/acxvar.h>
52: #include <dev/ic/acxreg.h>
53:
54: #include <dev/pci/pcireg.h>
55: #include <dev/pci/pcivar.h>
56: #include <dev/pci/pcidevs.h>
57:
58: struct acx_pci_softc {
59: struct acx_softc sc_acx;
60:
61: /* PCI specific goo */
62: struct acx_opns *sc_opns;
63: pci_chipset_tag_t sc_pc;
64: void *sc_ih;
65: bus_size_t sc_mapsize1;
66: bus_size_t sc_mapsize2;
67: int sc_intrline;
68:
69: /* hack for ACX100A */
70: bus_space_tag_t sc_io_bt;
71: bus_space_handle_t sc_io_bh;
72: bus_size_t sc_iomapsize;
73: };
74:
75: /* Base Address Register */
76: #define ACX_PCI_BAR0 0x10
77: #define ACX_PCI_BAR1 0x14
78: #define ACX_PCI_BAR2 0x18
79:
80: int acx_pci_match(struct device *, void *, void *);
81: void acx_pci_attach(struct device *, struct device *, void *);
82: int acx_pci_detach(struct device *, int);
83:
84: struct cfattach acx_pci_ca = {
85: sizeof (struct acx_pci_softc), acx_pci_match, acx_pci_attach,
86: acx_pci_detach
87: };
88:
89: const struct pci_matchid acx_pci_devices[] = {
90: { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100A },
91: { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100B },
92: { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX111 }
93: };
94:
95: int
96: acx_pci_match(struct device *parent, void *match, void *aux)
97: {
98: return (pci_matchbyid((struct pci_attach_args *)aux, acx_pci_devices,
99: sizeof (acx_pci_devices) / sizeof (acx_pci_devices[0])));
100: }
101:
102: void
103: acx_pci_attach(struct device *parent, struct device *self, void *aux)
104: {
105: struct acx_pci_softc *psc = (struct acx_pci_softc *)self;
106: struct acx_softc *sc = &psc->sc_acx;
107: struct pci_attach_args *pa = aux;
108: const char *intrstr = NULL;
109: pci_intr_handle_t ih;
110: int error, b1 = ACX_PCI_BAR0, b2 = ACX_PCI_BAR1;
111:
112: sc->sc_dmat = pa->pa_dmat;
113: psc->sc_pc = pa->pa_pc;
114:
115: /* map control/status registers */
116: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX100A) {
117: error = pci_mapreg_map(pa, ACX_PCI_BAR0,
118: PCI_MAPREG_TYPE_IO, 0, &psc->sc_io_bt,
119: &psc->sc_io_bh, NULL, &psc->sc_iomapsize, 0);
120: if (error != 0) {
121: printf(": could not map i/o space\n");
122: return;
123: }
124: b1 = ACX_PCI_BAR1;
125: b2 = ACX_PCI_BAR2;
126: }
127:
128: error = pci_mapreg_map(pa, b1, PCI_MAPREG_TYPE_MEM |
129: PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem1_bt,
130: &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0);
131: if (error != 0) {
132: printf(": could not map memory1 space\n");
133: return;
134: }
135:
136: error = pci_mapreg_map(pa, b2, PCI_MAPREG_TYPE_MEM |
137: PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem2_bt,
138: &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0);
139: if (error != 0) {
140: printf(": could not map memory2 space\n");
141: return;
142: }
143:
144: if (pci_intr_map(pa, &ih) != 0) {
145: printf(": could not map interrupt\n");
146: return;
147: }
148:
149: intrstr = pci_intr_string(psc->sc_pc, ih);
150: psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET,
151: acx_intr, sc, sc->sc_dev.dv_xname);
152: if (psc->sc_ih == NULL) {
153: printf(": could not establish interrupt");
154: if (intrstr != NULL)
155: printf(" at %s", intrstr);
156: printf("\n");
157: return;
158: }
159: printf(": %s\n", intrstr);
160:
161: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX111)
162: acx111_set_param(sc);
163: else
164: acx100_set_param(sc);
165:
166: acx_attach(sc);
167: }
168:
169: int
170: acx_pci_detach(struct device *self, int flags)
171: {
172: struct acx_pci_softc *psc = (struct acx_pci_softc *)self;
173: struct acx_softc *sc = &psc->sc_acx;
174:
175: acx_detach(sc);
176: pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
177:
178: return 0;
179: }
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