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/10.3/sys/dev/vx/if_vx_pci.c 246128 2013-01-30 18:01:20Z sbz $");
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 int 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	DEVMETHOD_END
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 int
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	return (0);
90}
91
92static int
93vx_pci_probe(device_t dev)
94{
95	u_int32_t device_id;
96
97	device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
98
99	if (device_id == 0x590010b7ul) {
100		device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
101		return (BUS_PROBE_DEFAULT);
102	}
103	if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
104	    device_id == 0x595210b7ul) {
105		device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
106		return (BUS_PROBE_DEFAULT);
107	}
108	/*
109	 * The (Fast) Etherlink XL adapters are now supported by
110	 * the xl driver, which uses bus master DMA and is much
111	 * faster. (And which also supports the 3c905B.
112	 */
113	if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
114		device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
115		return (BUS_PROBE_LOW_PRIORITY);
116	}
117	if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
118		device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
119		return (BUS_PROBE_LOW_PRIORITY);
120	}
121	return (ENXIO);
122}
123
124static int
125vx_pci_attach(device_t dev)
126{
127	struct vx_softc *sc;
128	int rid;
129
130	sc = device_get_softc(dev);
131
132	rid = PCIR_BAR(0);
133	sc->vx_res =
134	    bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
135
136	if (sc->vx_res == NULL)
137		goto bad;
138
139	sc->vx_bst = rman_get_bustag(sc->vx_res);
140	sc->vx_bsh = rman_get_bushandle(sc->vx_res);
141
142	rid = 0;
143	sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
144	    RF_SHAREABLE | RF_ACTIVE);
145
146	if (sc->vx_irq == NULL)
147		goto bad;
148
149	if (vx_attach(dev) == 0)
150		goto bad;
151
152	if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET | INTR_MPSAFE,
153	    NULL, vx_intr, sc, &sc->vx_intrhand))
154		goto bad_mtx;
155
156	/* defect check for 3C590 */
157	if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
158		GO_WINDOW(0);
159		if (vx_busy_eeprom(sc))
160			goto bad_mtx;
161		CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
162		    EEPROM_CMD_RD | EEPROM_SOFTINFO2);
163		if (vx_busy_eeprom(sc))
164			goto bad_mtx;
165		if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
166			device_printf(dev,
167			    "Warning! Defective early revision adapter!\n");
168	}
169	return (0);
170
171bad_mtx:
172	mtx_destroy(&sc->vx_mtx);
173	ether_ifdetach(sc->vx_ifp);
174	if_free(sc->vx_ifp);
175bad:
176	if (sc->vx_intrhand != NULL)
177		bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
178	if (sc->vx_res != NULL)
179		bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
180	if (sc->vx_irq != NULL)
181		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
182	return (ENXIO);
183}
184