if_vx_pci.c revision 119287 
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 * $FreeBSD: head/sys/dev/vx/if_vx_pci.c 119287 2003-08-22 07:08:17Z imp $
30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>
35#include <sys/socket.h>
36
37#include <net/if.h>
38#include <net/if_arp.h>
39
40#include <machine/bus_pio.h>
41#include <machine/bus.h>
42#include <machine/resource.h>
43#include <sys/bus.h>
44#include <sys/rman.h>
45
46#include <dev/pci/pcivar.h>
47#include <dev/pci/pcireg.h>
48
49#include <dev/vx/if_vxreg.h>
50
51static void vx_pci_shutdown(device_t);
52static int vx_pci_probe(device_t);
53static int vx_pci_attach(device_t);
54
55static device_method_t vx_methods[] = {
56	/* Device interface */
57	DEVMETHOD(device_probe,		vx_pci_probe),
58	DEVMETHOD(device_attach,	vx_pci_attach),
59	DEVMETHOD(device_shutdown,	vx_pci_shutdown),
60
61	{ 0, 0 }
62};
63
64static driver_t vx_driver = {
65	"vx",
66	vx_methods,
67	sizeof(struct vx_softc)
68};
69
70static devclass_t vx_devclass;
71
72DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
73MODULE_DEPEND(vx, pci, 1, 1, 1);
74MODULE_DEPEND(vx, ether, 1, 1, 1);
75
76static void
77vx_pci_shutdown(
78	device_t dev)
79{
80   struct vx_softc	*sc;
81
82   sc = device_get_softc(dev);
83   vxstop(sc);
84   return;
85}
86
87static int
88vx_pci_probe(
89	device_t dev)
90{
91   u_int32_t		device_id;
92
93   device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
94
95   if(device_id == 0x590010b7ul) {
96      device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
97      return(0);
98   }
99   if(device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
100	device_id == 0x595210b7ul) {
101      device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
102      return(0);
103   }
104	/*
105	 * The (Fast) Etherlink XL adapters are now supported by
106	 * the xl driver, which uses bus master DMA and is much
107	 * faster. (And which also supports the 3c905B.
108	 */
109#ifdef VORTEX_ETHERLINK_XL
110   if(device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
111      device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
112      return(0);
113   }
114   if(device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
115      device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
116      return(0);
117   }
118#endif
119   return (ENXIO);
120}
121
122static int
123vx_pci_attach(
124	device_t dev)
125{
126    struct vx_softc *sc;
127    int rid;
128
129    sc = device_get_softc(dev);
130
131    rid = PCIR_MAPS;
132    sc->vx_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
133	0, ~0, 1, RF_ACTIVE);
134
135    if (sc->vx_res == NULL)
136	goto bad;
137
138    sc->vx_btag = rman_get_bustag(sc->vx_res);
139    sc->vx_bhandle = rman_get_bushandle(sc->vx_res);
140
141    rid = 0;
142    sc->vx_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
143	RF_SHAREABLE | RF_ACTIVE);
144
145    if (sc->vx_irq == NULL)
146	goto bad;
147
148    if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET,
149	vxintr, sc, &sc->vx_intrhand))
150	goto bad;
151
152    if (vxattach(sc) == 0) {
153	goto bad;
154    }
155
156    /* defect check for 3C590 */
157    if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
158	GO_WINDOW(0);
159	if (vxbusyeeprom(sc))
160	    goto bad;
161	CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
162	    EEPROM_CMD_RD | EEPROM_SOFT_INFO_2);
163	if (vxbusyeeprom(sc))
164	    goto bad;
165	if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) {
166	    printf("Warning! Defective early revision adapter!\n");
167	}
168    }
169
170    return(0);
171
172bad:
173    if (sc->vx_intrhand != NULL)
174	bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
175    if (sc->vx_res != NULL)
176	bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
177    if (sc->vx_irq != NULL)
178	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
179    return(ENXIO);
180}
181