if_vx_pci.c revision 303975 
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: releng/11.0/sys/dev/vx/if_vx_pci.c 257176 2013-10-26 17:58:36Z glebius $");
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_var.h>
42#include <net/if_arp.h>
43
44#include <machine/bus.h>
45#include <machine/resource.h>
46#include <sys/bus.h>
47#include <sys/rman.h>
48
49#include <dev/pci/pcivar.h>
50#include <dev/pci/pcireg.h>
51
52#include <dev/vx/if_vxreg.h>
53#include <dev/vx/if_vxvar.h>
54
55static int vx_pci_shutdown(device_t);
56static int vx_pci_probe(device_t);
57static int vx_pci_attach(device_t);
58
59static device_method_t vx_methods[] = {
60	/* Device interface */
61	DEVMETHOD(device_probe, vx_pci_probe),
62	DEVMETHOD(device_attach, vx_pci_attach),
63	DEVMETHOD(device_shutdown, vx_pci_shutdown),
64
65	DEVMETHOD_END
66};
67
68static driver_t vx_driver = {
69	"vx",
70	vx_methods,
71	sizeof(struct vx_softc)
72};
73
74static devclass_t vx_devclass;
75
76DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
77MODULE_DEPEND(vx, pci, 1, 1, 1);
78MODULE_DEPEND(vx, ether, 1, 1, 1);
79
80static int
81vx_pci_shutdown(device_t dev)
82{
83	struct vx_softc *sc;
84
85	sc = device_get_softc(dev);
86	VX_LOCK(sc);
87	vx_stop(sc);
88	VX_UNLOCK(sc);
89
90	return (0);
91}
92
93static int
94vx_pci_probe(device_t dev)
95{
96	u_int32_t device_id;
97
98	device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
99
100	if (device_id == 0x590010b7ul) {
101		device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
102		return (BUS_PROBE_DEFAULT);
103	}
104	if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
105	    device_id == 0x595210b7ul) {
106		device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
107		return (BUS_PROBE_DEFAULT);
108	}
109	/*
110	 * The (Fast) Etherlink XL adapters are now supported by
111	 * the xl driver, which uses bus master DMA and is much
112	 * faster. (And which also supports the 3c905B.
113	 */
114	if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
115		device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
116		return (BUS_PROBE_LOW_PRIORITY);
117	}
118	if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
119		device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
120		return (BUS_PROBE_LOW_PRIORITY);
121	}
122	return (ENXIO);
123}
124
125static int
126vx_pci_attach(device_t dev)
127{
128	struct vx_softc *sc;
129	int rid;
130
131	sc = device_get_softc(dev);
132
133	rid = PCIR_BAR(0);
134	sc->vx_res =
135	    bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
136
137	if (sc->vx_res == NULL)
138		goto bad;
139
140	sc->vx_bst = rman_get_bustag(sc->vx_res);
141	sc->vx_bsh = rman_get_bushandle(sc->vx_res);
142
143	rid = 0;
144	sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
145	    RF_SHAREABLE | RF_ACTIVE);
146
147	if (sc->vx_irq == NULL)
148		goto bad;
149
150	if (vx_attach(dev) == 0)
151		goto bad;
152
153	if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET | INTR_MPSAFE,
154	    NULL, vx_intr, sc, &sc->vx_intrhand))
155		goto bad_mtx;
156
157	/* defect check for 3C590 */
158	if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
159		GO_WINDOW(0);
160		if (vx_busy_eeprom(sc))
161			goto bad_mtx;
162		CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
163		    EEPROM_CMD_RD | EEPROM_SOFTINFO2);
164		if (vx_busy_eeprom(sc))
165			goto bad_mtx;
166		if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
167			device_printf(dev,
168			    "Warning! Defective early revision adapter!\n");
169	}
170	return (0);
171
172bad_mtx:
173	mtx_destroy(&sc->vx_mtx);
174	ether_ifdetach(sc->vx_ifp);
175	if_free(sc->vx_ifp);
176bad:
177	if (sc->vx_intrhand != NULL)
178		bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
179	if (sc->vx_res != NULL)
180		bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
181	if (sc->vx_irq != NULL)
182		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
183	return (ENXIO);
184}
185