if_vx_pci.c revision 151017 
1/*-
2 * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/sys/dev/vx/if_vx_pci.c 151017 2005-10-06 18:41:31Z jhb $");
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/socket.h>
38
39#include <net/ethernet.h>
40#include <net/if.h>
41#include <net/if_arp.h>
42
43#include <machine/bus.h>
44#include <machine/resource.h>
45#include <sys/bus.h>
46#include <sys/rman.h>
47
48#include <dev/pci/pcivar.h>
49#include <dev/pci/pcireg.h>
50
51#include <dev/vx/if_vxreg.h>
52#include <dev/vx/if_vxvar.h>
53
54static void vx_pci_shutdown(device_t);
55static int vx_pci_probe(device_t);
56static int vx_pci_attach(device_t);
57
58static device_method_t vx_methods[] = {
59	/* Device interface */
60	DEVMETHOD(device_probe, vx_pci_probe),
61	DEVMETHOD(device_attach, vx_pci_attach),
62	DEVMETHOD(device_shutdown, vx_pci_shutdown),
63
64	{0, 0}
65};
66
67static driver_t vx_driver = {
68	"vx",
69	vx_methods,
70	sizeof(struct vx_softc)
71};
72
73static devclass_t vx_devclass;
74
75DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
76MODULE_DEPEND(vx, pci, 1, 1, 1);
77MODULE_DEPEND(vx, ether, 1, 1, 1);
78
79static void
80vx_pci_shutdown(device_t dev)
81{
82	struct vx_softc *sc;
83
84	sc = device_get_softc(dev);
85	VX_LOCK(sc);
86	vx_stop(sc);
87	VX_UNLOCK(sc);
88}
89
90static int
91vx_pci_probe(device_t dev)
92{
93	u_int32_t device_id;
94
95	device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
96
97	if (device_id == 0x590010b7ul) {
98		device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
99		return (BUS_PROBE_DEFAULT);
100	}
101	if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
102	    device_id == 0x595210b7ul) {
103		device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
104		return (BUS_PROBE_DEFAULT);
105	}
106	/*
107	 * The (Fast) Etherlink XL adapters are now supported by
108	 * the xl driver, which uses bus master DMA and is much
109	 * faster. (And which also supports the 3c905B.
110	 */
111	if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
112		device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
113		return (BUS_PROBE_LOW_PRIORITY);
114	}
115	if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
116		device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
117		return (BUS_PROBE_LOW_PRIORITY);
118	}
119	return (ENXIO);
120}
121
122static int
123vx_pci_attach(device_t dev)
124{
125	struct vx_softc *sc;
126	int rid;
127
128	sc = device_get_softc(dev);
129
130	rid = PCIR_BAR(0);
131	sc->vx_res =
132	    bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
133
134	if (sc->vx_res == NULL)
135		goto bad;
136
137	sc->vx_bst = rman_get_bustag(sc->vx_res);
138	sc->vx_bsh = rman_get_bushandle(sc->vx_res);
139
140	rid = 0;
141	sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
142	    RF_SHAREABLE | RF_ACTIVE);
143
144	if (sc->vx_irq == NULL)
145		goto bad;
146
147	if (vx_attach(dev) == 0)
148		goto bad;
149
150	if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET | INTR_MPSAFE,
151	    vx_intr, sc, &sc->vx_intrhand))
152		goto bad_mtx;
153
154	/* defect check for 3C590 */
155	if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
156		GO_WINDOW(0);
157		if (vx_busy_eeprom(sc))
158			goto bad_mtx;
159		CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
160		    EEPROM_CMD_RD | EEPROM_SOFTINFO2);
161		if (vx_busy_eeprom(sc))
162			goto bad_mtx;
163		if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
164			device_printf(dev,
165			    "Warning! Defective early revision adapter!\n");
166	}
167	return (0);
168
169bad_mtx:
170	mtx_destroy(&sc->vx_mtx);
171	ether_ifdetach(sc->vx_ifp);
172	if_free(sc->vx_ifp);
173bad:
174	if (sc->vx_intrhand != NULL)
175		bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
176	if (sc->vx_res != NULL)
177		bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
178	if (sc->vx_irq != NULL)
179		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
180	return (ENXIO);
181}
182