Annotation of sys/dev/cardbus/if_fxp_cardbus.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_fxp_cardbus.c,v 1.20 2007/05/08 20:43:07 deraadt 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: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: /*
41: * CardBus front-end for the Intel i8255x family of Ethernet chips.
42: */
43:
44: #include "bpfilter.h"
45:
46: #include <sys/param.h>
47: #include <sys/systm.h>
48: #include <sys/mbuf.h>
49: #include <sys/socket.h>
50: #include <sys/ioctl.h>
51: #include <sys/errno.h>
52: #include <sys/malloc.h>
53: #include <sys/kernel.h>
54: #include <sys/timeout.h>
55: #include <sys/device.h>
56:
57: #include <net/if.h>
58: #include <net/if_dl.h>
59: #include <net/if_types.h>
60: #include <net/if_media.h>
61:
62: #include <machine/endian.h>
63:
64: #if NBPFILTER > 0
65: #include <net/bpf.h>
66: #endif
67:
68: #ifdef INET
69: #include <netinet/in.h>
70: #include <netinet/in_systm.h>
71: #include <netinet/in_var.h>
72: #include <netinet/ip.h>
73: #include <netinet/if_ether.h>
74: #endif
75:
76: #include <machine/bus.h>
77: #include <machine/intr.h>
78:
79: #include <dev/mii/miivar.h>
80:
81: #include <dev/ic/fxpreg.h>
82: #include <dev/ic/fxpvar.h>
83:
84: #include <dev/pci/pcivar.h>
85: #include <dev/pci/pcireg.h>
86: #include <dev/pci/pcidevs.h>
87:
88: #include <dev/cardbus/cardbusvar.h>
89:
90: int fxp_cardbus_match(struct device *, void *, void *);
91: void fxp_cardbus_attach(struct device *, struct device *, void *);
92: int fxp_cardbus_detach(struct device *, int);
93: void fxp_cardbus_setup(struct fxp_softc *);
94:
95: struct fxp_cardbus_softc {
96: struct fxp_softc sc;
97: cardbus_devfunc_t ct;
98: cardbustag_t ct_tag;
99: pcireg_t base0_reg;
100: pcireg_t base1_reg;
101: bus_size_t size;
102: };
103:
104: struct cfattach fxp_cardbus_ca = {
105: sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach,
106: fxp_cardbus_detach
107: };
108:
109: const struct cardbus_matchid fxp_cardbus_devices[] = {
110: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x },
111: };
112:
113: #ifdef CBB_DEBUG
114: #define DPRINTF(X) printf X
115: #else
116: #define DPRINTF(X)
117: #endif
118:
119: int
120: fxp_cardbus_match(struct device *parent, void *match, void *aux)
121: {
122: return (cardbus_matchbyid((struct cardbus_attach_args *)aux,
123: fxp_cardbus_devices,
124: sizeof(fxp_cardbus_devices)/sizeof(fxp_cardbus_devices[0])));
125: }
126:
127: void
128: fxp_cardbus_attach(struct device *parent, struct device *self, void *aux)
129: {
130: char intrstr[16];
131: struct fxp_softc *sc = (struct fxp_softc *) self;
132: struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
133: struct cardbus_attach_args *ca = aux;
134: struct cardbus_softc *psc =
135: (struct cardbus_softc *)sc->sc_dev.dv_parent;
136: cardbus_chipset_tag_t cc = psc->sc_cc;
137: cardbus_function_tag_t cf = psc->sc_cf;
138: bus_space_tag_t iot, memt;
139: bus_space_handle_t ioh, memh;
140:
141: bus_addr_t adr;
142: bus_size_t size;
143:
144: csc->ct = ca->ca_ct;
145:
146: /*
147: * Map control/status registers.
148: */
149: if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG,
150: PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) {
151: csc->base1_reg = adr | 1;
152: sc->sc_st = iot;
153: sc->sc_sh = ioh;
154: csc->size = size;
155: } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG,
156: PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
157: 0, &memt, &memh, &adr, &size) == 0) {
158: csc->base0_reg = adr;
159: sc->sc_st = memt;
160: sc->sc_sh = memh;
161: csc->size = size;
162: } else
163: panic("%s: failed to allocate mem and io space", __func__);
164:
165: if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1])
166: printf(": %s %s", ca->ca_cis.cis1_info[0],
167: ca->ca_cis.cis1_info[1]);
168: else
169: printf("\n");
170:
171: sc->sc_dmat = ca->ca_dmat;
172: #if 0
173: sc->sc_enable = fxp_cardbus_enable;
174: sc->sc_disable = fxp_cardbus_disable;
175: sc->sc_enabled = 0;
176: #endif
177:
178: Cardbus_function_enable(csc->ct);
179:
180: fxp_cardbus_setup(sc);
181:
182: /* Map and establish the interrupt. */
183: sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET,
184: fxp_intr, sc, sc->sc_dev.dv_xname);
185: if (NULL == sc->sc_ih) {
186: printf(": couldn't establish interrupt");
187: printf("at %d\n", ca->ca_intrline);
188: return;
189: }
190: snprintf(intrstr, sizeof(intrstr), "irq %d", ca->ca_intrline);
191:
192: sc->sc_revision = PCI_REVISION(ca->ca_class);
193:
194: fxp_attach(sc, intrstr);
195: }
196:
197: void
198: fxp_cardbus_setup(struct fxp_softc *sc)
199: {
200: struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc;
201: struct cardbus_softc *psc =
202: (struct cardbus_softc *) sc->sc_dev.dv_parent;
203: cardbus_chipset_tag_t cc = psc->sc_cc;
204: cardbus_function_tag_t cf = psc->sc_cf;
205: pcireg_t command;
206:
207: csc->ct_tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus,
208: csc->ct->ct_dev, csc->ct->ct_func);
209:
210: command = cardbus_conf_read(cc, cf, csc->ct_tag, CARDBUS_COMMAND_STATUS_REG);
211: if (csc->base0_reg) {
212: cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_BASE0_REG, csc->base0_reg);
213: (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE);
214: command |= CARDBUS_COMMAND_MEM_ENABLE |
215: CARDBUS_COMMAND_MASTER_ENABLE;
216: } else if (csc->base1_reg) {
217: cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_BASE1_REG, csc->base1_reg);
218: (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE);
219: command |= (CARDBUS_COMMAND_IO_ENABLE |
220: CARDBUS_COMMAND_MASTER_ENABLE);
221: }
222:
223: (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE);
224:
225: /* enable the card */
226: cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_COMMAND_STATUS_REG, command);
227: }
228:
229: int fxp_detach(struct fxp_softc *);
230:
231: int
232: fxp_detach(struct fxp_softc *sc)
233: {
234: struct ifnet *ifp = &sc->sc_arpcom.ac_if;
235:
236: /* Unhook our tick handler. */
237: timeout_del(&sc->stats_update_to);
238:
239: /* Detach any PHYs we might have. */
240: if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL)
241: mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
242:
243: /* Delete any remaining media. */
244: ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
245:
246: ether_ifdetach(ifp);
247: if_detach(ifp);
248:
249: if (sc->sc_sdhook != NULL)
250: shutdownhook_disestablish(sc->sc_sdhook);
251: if (sc->sc_powerhook != NULL)
252: powerhook_disestablish(sc->sc_powerhook);
253:
254: return (0);
255: }
256:
257: int
258: fxp_cardbus_detach(struct device *self, int flags)
259: {
260: struct fxp_softc *sc = (struct fxp_softc *) self;
261: struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
262: struct cardbus_devfunc *ct = csc->ct;
263: int rv, reg;
264:
265: #ifdef DIAGNOSTIC
266: if (ct == NULL)
267: panic("%s: data structure lacks", sc->sc_dev.dv_xname);
268: #endif
269:
270: rv = fxp_detach(sc);
271: if (rv == 0) {
272: /*
273: * Unhook the interrupt handler.
274: */
275: cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
276:
277: /*
278: * release bus space and close window
279: */
280: if (csc->base0_reg)
281: reg = CARDBUS_BASE0_REG;
282: else
283: reg = CARDBUS_BASE1_REG;
284: Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size);
285: }
286: return (rv);
287: }
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