Line data Source code
1 : /* $OpenBSD: if_fxp_cardbus.c,v 1.36 2015/11/24 17:11:39 mpi Exp $ */
2 : /* $NetBSD: if_fxp_cardbus.c,v 1.12 2000/05/08 18:23:36 thorpej Exp $ */
3 :
4 : /*
5 : * Copyright (c) 1999 The NetBSD Foundation, Inc.
6 : * All rights reserved.
7 : *
8 : * This code is derived from software contributed to The NetBSD Foundation
9 : * by Johan Danielsson.
10 : *
11 : * Redistribution and use in source and binary forms, with or without
12 : * modification, are permitted provided that the following conditions
13 : * are met:
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.
19 : *
20 : * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 : * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 : * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 : * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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 THE
30 : * POSSIBILITY OF SUCH DAMAGE.
31 : */
32 :
33 : /*
34 : * CardBus front-end for the Intel i8255x family of Ethernet chips.
35 : */
36 :
37 : #include "bpfilter.h"
38 :
39 : #include <sys/param.h>
40 : #include <sys/systm.h>
41 : #include <sys/mbuf.h>
42 : #include <sys/socket.h>
43 : #include <sys/ioctl.h>
44 : #include <sys/errno.h>
45 : #include <sys/malloc.h>
46 : #include <sys/kernel.h>
47 : #include <sys/timeout.h>
48 : #include <sys/device.h>
49 : #include <sys/endian.h>
50 :
51 : #include <net/if.h>
52 : #include <net/if_media.h>
53 :
54 : #if NBPFILTER > 0
55 : #include <net/bpf.h>
56 : #endif
57 :
58 : #include <netinet/in.h>
59 : #include <netinet/if_ether.h>
60 :
61 : #include <machine/bus.h>
62 : #include <machine/intr.h>
63 :
64 : #include <dev/mii/miivar.h>
65 :
66 : #include <dev/ic/fxpreg.h>
67 : #include <dev/ic/fxpvar.h>
68 :
69 : #include <dev/pci/pcivar.h>
70 : #include <dev/pci/pcireg.h>
71 : #include <dev/pci/pcidevs.h>
72 :
73 : #include <dev/cardbus/cardbusvar.h>
74 :
75 : int fxp_cardbus_match(struct device *, void *, void *);
76 : void fxp_cardbus_attach(struct device *, struct device *, void *);
77 : int fxp_cardbus_detach(struct device *, int);
78 : void fxp_cardbus_setup(struct fxp_softc *);
79 :
80 : struct fxp_cardbus_softc {
81 : struct fxp_softc sc;
82 : cardbus_devfunc_t ct;
83 : pcitag_t ct_tag;
84 : pcireg_t base0_reg;
85 : pcireg_t base1_reg;
86 : bus_size_t size;
87 : pci_chipset_tag_t pc;
88 : };
89 :
90 : struct cfattach fxp_cardbus_ca = {
91 : sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach,
92 : fxp_cardbus_detach
93 : };
94 :
95 : const struct pci_matchid fxp_cardbus_devices[] = {
96 : { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x },
97 : };
98 :
99 : #ifdef CBB_DEBUG
100 : #define DPRINTF(X) printf X
101 : #else
102 : #define DPRINTF(X)
103 : #endif
104 :
105 : int
106 0 : fxp_cardbus_match(struct device *parent, void *match, void *aux)
107 : {
108 0 : return (cardbus_matchbyid((struct cardbus_attach_args *)aux,
109 : fxp_cardbus_devices, nitems(fxp_cardbus_devices)));
110 : }
111 :
112 : void
113 0 : fxp_cardbus_attach(struct device *parent, struct device *self, void *aux)
114 : {
115 0 : char intrstr[16];
116 0 : struct fxp_softc *sc = (struct fxp_softc *) self;
117 0 : struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
118 0 : struct cardbus_attach_args *ca = aux;
119 : struct cardbus_softc *psc =
120 0 : (struct cardbus_softc *)sc->sc_dev.dv_parent;
121 0 : cardbus_chipset_tag_t cc = psc->sc_cc;
122 0 : cardbus_function_tag_t cf = psc->sc_cf;
123 0 : bus_space_tag_t iot, memt;
124 0 : bus_space_handle_t ioh, memh;
125 :
126 0 : bus_addr_t adr;
127 0 : bus_size_t size;
128 :
129 0 : csc->ct = ca->ca_ct;
130 0 : csc->pc = ca->ca_pc;
131 :
132 : /*
133 : * Map control/status registers.
134 : */
135 0 : if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG,
136 0 : PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) {
137 0 : csc->base1_reg = adr | 1;
138 0 : sc->sc_st = iot;
139 0 : sc->sc_sh = ioh;
140 0 : csc->size = size;
141 0 : } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG,
142 : PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
143 0 : 0, &memt, &memh, &adr, &size) == 0) {
144 0 : csc->base0_reg = adr;
145 0 : sc->sc_st = memt;
146 0 : sc->sc_sh = memh;
147 0 : csc->size = size;
148 : } else
149 0 : panic("%s: failed to allocate mem and io space", __func__);
150 :
151 0 : sc->sc_dmat = ca->ca_dmat;
152 : #if 0
153 : sc->sc_enable = fxp_cardbus_enable;
154 : sc->sc_disable = fxp_cardbus_disable;
155 : sc->sc_enabled = 0;
156 : #endif
157 :
158 0 : Cardbus_function_enable(csc->ct);
159 :
160 0 : fxp_cardbus_setup(sc);
161 :
162 : /* Map and establish the interrupt. */
163 0 : sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET,
164 0 : fxp_intr, sc, sc->sc_dev.dv_xname);
165 0 : if (NULL == sc->sc_ih) {
166 0 : printf(": couldn't establish interrupt");
167 0 : printf("at %d\n", ca->ca_intrline);
168 0 : return;
169 : }
170 0 : snprintf(intrstr, sizeof(intrstr), "irq %d", ca->ca_intrline);
171 :
172 0 : sc->sc_revision = PCI_REVISION(ca->ca_class);
173 :
174 0 : fxp_attach(sc, intrstr);
175 0 : }
176 :
177 : void
178 0 : fxp_cardbus_setup(struct fxp_softc *sc)
179 : {
180 0 : struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc;
181 : struct cardbus_softc *psc =
182 0 : (struct cardbus_softc *) sc->sc_dev.dv_parent;
183 0 : cardbus_chipset_tag_t cc = psc->sc_cc;
184 0 : pci_chipset_tag_t pc = csc->pc;
185 0 : cardbus_function_tag_t cf = psc->sc_cf;
186 : pcireg_t command;
187 :
188 0 : csc->ct_tag = pci_make_tag(pc, csc->ct->ct_bus,
189 0 : csc->ct->ct_dev, csc->ct->ct_func);
190 :
191 0 : command = pci_conf_read(pc, csc->ct_tag, PCI_COMMAND_STATUS_REG);
192 0 : if (csc->base0_reg) {
193 0 : pci_conf_write(pc, csc->ct_tag, CARDBUS_BASE0_REG, csc->base0_reg);
194 0 : (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE);
195 0 : command |= PCI_COMMAND_MEM_ENABLE |
196 : PCI_COMMAND_MASTER_ENABLE;
197 0 : } else if (csc->base1_reg) {
198 0 : pci_conf_write(pc, csc->ct_tag, CARDBUS_BASE1_REG, csc->base1_reg);
199 0 : (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE);
200 0 : command |= (PCI_COMMAND_IO_ENABLE |
201 : PCI_COMMAND_MASTER_ENABLE);
202 0 : }
203 :
204 0 : (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE);
205 :
206 : /* enable the card */
207 0 : pci_conf_write(pc, csc->ct_tag, PCI_COMMAND_STATUS_REG, command);
208 0 : }
209 :
210 : int
211 0 : fxp_cardbus_detach(struct device *self, int flags)
212 : {
213 0 : struct fxp_softc *sc = (struct fxp_softc *) self;
214 0 : struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
215 0 : struct cardbus_devfunc *ct = csc->ct;
216 : int reg;
217 :
218 0 : cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
219 0 : fxp_detach(sc);
220 :
221 0 : if (csc->base0_reg)
222 0 : reg = CARDBUS_BASE0_REG;
223 : else
224 : reg = CARDBUS_BASE1_REG;
225 0 : Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size);
226 0 : return (0);
227 : }
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