if_vx_pci.c revision 146734 
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 146734 2005-05-29 04:42:30Z nyan $");
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/if.h>
40#include <net/if_arp.h>
41
42#include <machine/bus.h>
43#include <machine/resource.h>
44#include <sys/bus.h>
45#include <sys/rman.h>
46
47#include <dev/pci/pcivar.h>
48#include <dev/pci/pcireg.h>
49
50#include <dev/vx/if_vxreg.h>
51#include <dev/vx/if_vxvar.h>
52
53static void vx_pci_shutdown(device_t);
54static int vx_pci_probe(device_t);
55static int vx_pci_attach(device_t);
56
57static device_method_t vx_methods[] = {
58	/* Device interface */
59	DEVMETHOD(device_probe, vx_pci_probe),
60	DEVMETHOD(device_attach, vx_pci_attach),
61	DEVMETHOD(device_shutdown, vx_pci_shutdown),
62
63	{0, 0}
64};
65
66static driver_t vx_driver = {
67	"vx",
68	vx_methods,
69	sizeof(struct vx_softc)
70};
71
72static devclass_t vx_devclass;
73
74DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
75MODULE_DEPEND(vx, pci, 1, 1, 1);
76MODULE_DEPEND(vx, ether, 1, 1, 1);
77
78static void
79vx_pci_shutdown(device_t dev)
80{
81	struct vx_softc *sc;
82
83	sc = device_get_softc(dev);
84	vxstop(sc);
85}
86
87static int
88vx_pci_probe(device_t dev)
89{
90	u_int32_t device_id;
91
92	device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
93
94	if (device_id == 0x590010b7ul) {
95		device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
96		return (BUS_PROBE_DEFAULT);
97	}
98	if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
99	    device_id == 0x595210b7ul) {
100		device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
101		return (BUS_PROBE_DEFAULT);
102	}
103	/*
104	 * The (Fast) Etherlink XL adapters are now supported by
105	 * the xl driver, which uses bus master DMA and is much
106	 * faster. (And which also supports the 3c905B.
107	 */
108	if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
109		device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
110		return (BUS_PROBE_LOW_PRIORITY);
111	}
112	if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
113		device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
114		return (BUS_PROBE_LOW_PRIORITY);
115	}
116	return (ENXIO);
117}
118
119static int
120vx_pci_attach(device_t dev)
121{
122	struct vx_softc *sc;
123	int rid;
124
125	sc = device_get_softc(dev);
126
127	rid = PCIR_BAR(0);
128	sc->vx_res =
129	    bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
130
131	if (sc->vx_res == NULL)
132		goto bad;
133
134	sc->bst = rman_get_bustag(sc->vx_res);
135	sc->bsh = rman_get_bushandle(sc->vx_res);
136
137	rid = 0;
138	sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
139	    RF_SHAREABLE | RF_ACTIVE);
140
141	if (sc->vx_irq == NULL)
142		goto bad;
143
144	if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET,
145	    vxintr, sc, &sc->vx_intrhand))
146		goto bad;
147
148	if (vxattach(dev) == 0)
149		goto bad;
150
151	/* defect check for 3C590 */
152	if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
153		GO_WINDOW(0);
154		if (vxbusyeeprom(sc))
155			goto bad;
156		CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
157		    EEPROM_CMD_RD | EEPROM_SOFTINFO2);
158		if (vxbusyeeprom(sc))
159			goto bad;
160		if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
161			printf("Warning! Defective early revision adapter!\n");
162	}
163	return (0);
164
165bad:
166	if (sc->vx_intrhand != NULL)
167		bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
168	if (sc->vx_res != NULL)
169		bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
170	if (sc->vx_irq != NULL)
171		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
172	return (ENXIO);
173}
174