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 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: stable/10/sys/dev/vx/if_vx_eisa.c 246128 2013-01-30 18:01:20Z sbz $");
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/socket.h>
38 #include <sys/module.h>
39 #include <sys/bus.h>
40 
41 #include <machine/bus.h>
42 #include <machine/resource.h>
43 #include <sys/rman.h>
44 
45 #include <net/ethernet.h>
46 #include <net/if.h>
47 #include <net/if_arp.h>
48 
49 #include <dev/eisa/eisaconf.h>
50 
51 #include <dev/vx/if_vxreg.h>
52 #include <dev/vx/if_vxvar.h>
53 
54 #define EISA_DEVICE_ID_3COM_3C592	0x506d5920
55 #define EISA_DEVICE_ID_3COM_3C597_TX	0x506d5970
56 #define EISA_DEVICE_ID_3COM_3C597_T4	0x506d5971
57 #define EISA_DEVICE_ID_3COM_3C597_MII	0x506d5972
58 
59 
60 #define	VX_EISA_SLOT_OFFSET		0x0c80
61 #define	VX_EISA_IOSIZE			0x000a
62 #define VX_RESOURCE_CONFIG		0x0008
63 
64 
65 static const char *vx_match(eisa_id_t type);
66 
67 static const char *
vx_match(eisa_id_t type)68 vx_match(eisa_id_t type)
69 {
70 	switch (type) {
71 	case EISA_DEVICE_ID_3COM_3C592:
72 		return "3Com 3C592";
73 	case EISA_DEVICE_ID_3COM_3C597_TX:
74 		return "3Com 3C597-TX";
75 	case EISA_DEVICE_ID_3COM_3C597_T4:
76 		return "3Com 3C597-T4";
77 	case EISA_DEVICE_ID_3COM_3C597_MII:
78 		return "3Com 3C597-MII";
79 	default:
80 		break;
81 	}
82 	return (NULL);
83 }
84 
85 static int
vx_eisa_probe(device_t dev)86 vx_eisa_probe(device_t dev)
87 {
88 	const char *desc;
89 	u_long iobase;
90 	u_long port;
91 
92 	desc = vx_match(eisa_get_id(dev));
93 	if (!desc)
94 		return (ENXIO);
95 	device_set_desc(dev, desc);
96 
97 	port = eisa_get_slot(dev) * EISA_SLOT_SIZE;
98 	iobase = port + VX_EISA_SLOT_OFFSET;
99 
100 	eisa_add_iospace(dev, iobase, VX_EISA_IOSIZE, RESVADDR_NONE);
101 	eisa_add_iospace(dev, port, VX_IOSIZE, RESVADDR_NONE);
102 
103 	/* Set irq */
104 	eisa_add_intr(dev, inw(iobase + VX_RESOURCE_CONFIG) >> 12,
105 	    EISA_TRIGGER_EDGE);
106 
107 	return (0);
108 }
109 
110 static int
vx_eisa_attach(device_t dev)111 vx_eisa_attach(device_t dev)
112 {
113 	struct vx_softc *sc;
114 	struct resource *io = 0;
115 	struct resource *eisa_io = 0;
116 	struct resource *irq = 0;
117 	int rid;
118 
119 	/*
120          * The addresses are sorted in increasing order
121          * so we know the port to pass to the core ep
122          * driver comes first.
123          */
124 	rid = 0;
125 	io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
126 	if (!io) {
127 		device_printf(dev, "No I/O space?!\n");
128 		goto bad;
129 	}
130 	rid = 1;
131 	eisa_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
132 	if (!eisa_io) {
133 		device_printf(dev, "No I/O space?!\n");
134 		goto bad;
135 	}
136 	sc = device_get_softc(dev);
137 
138 	sc->vx_res = io;
139 	sc->vx_bst = rman_get_bustag(io);
140 	sc->vx_bsh = rman_get_bushandle(io);
141 
142 	rid = 0;
143 	irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
144 	if (!irq) {
145 		device_printf(dev, "No irq?!\n");
146 		goto bad;
147 	}
148 	sc->vx_irq = irq;
149 
150 	/* Now the registers are availible through the lower ioport */
151 
152 	if (vx_attach(dev) == 0)
153 		goto bad;
154 
155 	if (bus_setup_intr(dev, irq, INTR_TYPE_NET | INTR_MPSAFE, NULL,
156 		  vx_intr, sc, &sc->vx_intrhand))
157 		goto bad_mtx;
158 
159 	return (0);
160 
161 bad_mtx:
162 	mtx_destroy(&sc->vx_mtx);
163 	ether_ifdetach(sc->vx_ifp);
164 	if_free(sc->vx_ifp);
165 bad:
166 	if (io)
167 		bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
168 	if (eisa_io)
169 		bus_release_resource(dev, SYS_RES_IOPORT, 0, eisa_io);
170 	if (irq)
171 		bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
172 	return (ENXIO);
173 }
174 
175 static device_method_t vx_eisa_methods[] = {
176 	/* Device interface */
177 	DEVMETHOD(device_probe, vx_eisa_probe),
178 	DEVMETHOD(device_attach, vx_eisa_attach),
179 
180 	DEVMETHOD_END
181 };
182 
183 static driver_t vx_eisa_driver = {
184 	"vx",
185 	vx_eisa_methods,
186 	sizeof(struct vx_softc)
187 };
188 
189 static devclass_t vx_devclass;
190 
191 DRIVER_MODULE(vx, eisa, vx_eisa_driver, vx_devclass, 0, 0);
192