1 /*-
2  * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net>
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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: stable/9/sys/dev/ep/if_ep_mca.c 166906 2007-02-23 15:55:37Z piso $");
29 
30 #include <sys/param.h>
31 #include <sys/kernel.h>
32 #include <sys/socket.h>
33 #include <sys/module.h>
34 #include <sys/bus.h>
35 
36 #include <machine/bus.h>
37 #include <machine/resource.h>
38 #include <sys/rman.h>
39 
40 #include <net/if.h>
41 #include <net/if_arp.h>
42 #include <net/if_media.h>
43 
44 #include <dev/mca/mca_busreg.h>
45 #include <dev/mca/mca_busvar.h>
46 
47 #include <dev/ep/if_epreg.h>
48 #include <dev/ep/if_epvar.h>
49 
50 #define EP_MCA_627C	0x627C
51 #define EP_MCA_627D	0x627D
52 #define EP_MCA_62DB	0x62db
53 #define EP_MCA_62F6	0x62f6
54 #define EP_MCA_62F7	0x62f7
55 
56 static struct mca_ident ep_mca_devs[] = {
57 	{EP_MCA_627C, "3Com 3C529 Network Adapter"},
58 	{EP_MCA_627D, "3Com 3C529-TP Network Adapter"},
59 
60 	/*
61 	 * These are from the linux 3c509 driver.
62 	 * I have not seen the ADFs for them and have
63 	 * not tested or even seen the hardware.
64  	 * Someone with the ADFs should replace the names with
65 	 * whatever is in the AdapterName field of the ADF.
66 	 * (and fix the media setup for the cards as well.)
67 	 */
68 	{EP_MCA_62DB, "3Com 3c529 EtherLink III (test mode)"},
69 	{EP_MCA_62F6, "3Com 3c529 EtherLink III (TP or coax)"},
70 	{EP_MCA_62F7, "3Com 3c529 EtherLink III (TP)"},
71 
72 	{0, NULL},
73 };
74 
75 #define EP_MCA_IOPORT_POS	MCA_ADP_POS(MCA_POS2)
76 #define EP_MCA_IOPORT_MASK	0xfc
77 #define EP_MCA_IOPORT_SIZE	EP_IOSIZE
78 #define EP_MCA_IOPORT(pos)	((((uint32_t)pos & EP_MCA_IOPORT_MASK) \
79 					| 0x02) << 8)
80 
81 #define EP_MCA_IRQ_POS		MCA_ADP_POS(MCA_POS3)
82 #define EP_MCA_IRQ_MASK		0x0f
83 #define EP_MCA_IRQ(pos)		(pos & EP_MCA_IRQ_MASK)
84 
85 #define EP_MCA_MEDIA_POS	MCA_ADP_POS(MCA_POS2)
86 #define EP_MCA_MEDIA_MASK	0x03
87 #define EP_MCA_MEDIA(pos)	(pos & EP_MCA_MEDIA_MASK)
88 
89 static int
ep_mca_probe(device_t dev)90 ep_mca_probe(device_t dev)
91 {
92 	const char *desc;
93 	uint32_t iobase = 0;
94 	uint8_t irq = 0;
95 	uint8_t pos;
96 
97 	desc = mca_match_id(mca_get_id(dev), ep_mca_devs);
98 	if (!desc)
99 		return (ENXIO);
100 	device_set_desc(dev, desc);
101 
102 	pos = mca_pos_read(dev, EP_MCA_IOPORT_POS);
103 	iobase = EP_MCA_IOPORT(pos);
104 
105 	pos = mca_pos_read(dev, EP_MCA_IRQ_POS);
106 	irq = EP_MCA_IRQ(pos);
107 
108 	mca_add_iospace(dev, iobase, EP_MCA_IOPORT_SIZE);
109 	mca_add_irq(dev, irq);
110 
111 	return (0);
112 }
113 
114 static int
ep_mca_attach(device_t dev)115 ep_mca_attach(device_t dev)
116 {
117 	struct ep_softc *sc = device_get_softc(dev);
118 	int error = 0;
119 
120 	if ((error = ep_alloc(dev)))
121 		goto bad;
122 	sc->stat = F_ACCESS_32_BITS;
123 
124 	ep_get_media(sc);
125 
126 	GO_WINDOW(sc, 0);
127 	SET_IRQ(sc, rman_get_start(sc->irq));
128 
129 	if ((error = ep_attach(sc)))
130 		goto bad;
131 	if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, NULL, ep_intr,
132 		    sc, &sc->ep_intrhand))) {
133 		device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
134 		goto bad;
135 	}
136 	return (0);
137 bad:
138 	ep_free(dev);
139 	return (error);
140 }
141 
142 static device_method_t ep_mca_methods[] = {
143 	/* Device interface */
144 	DEVMETHOD(device_probe, ep_mca_probe),
145 	DEVMETHOD(device_attach, ep_mca_attach),
146 	DEVMETHOD(device_detach, ep_detach),
147 
148 	{0, 0}
149 };
150 
151 static driver_t ep_mca_driver = {
152 	"ep",
153 	ep_mca_methods,
154 	sizeof(struct ep_softc),
155 };
156 
157 static devclass_t ep_devclass;
158 
159 DRIVER_MODULE(ep, mca, ep_mca_driver, ep_devclass, 0, 0);
160