1/*-
2 * Product specific probe and attach routines for:
3 * 	3COM 3C579 and 3C509(in eisa config mode) ethernet controllers
4 *
5 * Copyright (c) 1996 Justin T. Gibbs
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice immediately at the beginning of the file, without modification,
13 *    this list of conditions, and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Absolutely no warranty of function or purpose is made by the author
18 *    Justin T. Gibbs.
19 * 4. Modifications may be freely made to this file if the above conditions
20 *    are met.
21 */
22
23#include <sys/cdefs.h>
24__FBSDID("$FreeBSD$");
25
26#include <sys/param.h>
27#include <sys/systm.h>
28#include <sys/kernel.h>
29#include <sys/socket.h>
30#include <sys/module.h>
31#include <sys/bus.h>
32
33#include <machine/bus.h>
34#include <machine/resource.h>
35#include <sys/rman.h>
36
37#include <net/if.h>
38#include <net/if_arp.h>
39#include <net/if_media.h>
40
41#include <dev/eisa/eisaconf.h>
42
43#include <dev/ep/if_epreg.h>
44#include <dev/ep/if_epvar.h>
45
46#define EISA_DEVICE_ID_3COM_3C509_TP	0x506d5090
47#define EISA_DEVICE_ID_3COM_3C509_BNC	0x506d5091
48#define EISA_DEVICE_ID_3COM_3C579_TP	0x506d5092
49#define EISA_DEVICE_ID_3COM_3C579_BNC	0x506d5093
50#define EISA_DEVICE_ID_3COM_3C509_COMBO	0x506d5094
51#define EISA_DEVICE_ID_3COM_3C509_TPO	0x506d5095
52
53#define	EP_EISA_SLOT_OFFSET		0x0c80
54#define	EP_EISA_IOSIZE			0x000a
55
56#define EISA_IOCONF			0x0008
57#define		IRQ_CHANNEL		0xf000
58#define			INT_3		0x3000
59#define			INT_5		0x5000
60#define			INT_7		0x7000
61#define			INT_9		0x9000
62#define			INT_10		0xa000
63#define			INT_11		0xb000
64#define			INT_12		0xc000
65#define			INT_15		0xf000
66#define EISA_BPROM_MEDIA_CONF		0x0006
67#define		TRANS_TYPE		0xc000
68#define			TRANS_TP	0x0000
69#define			TRANS_AUI	0x4000
70#define			TRANS_BNC	0xc000
71
72static const char *ep_match(eisa_id_t type);
73
74static const char *
75ep_match(eisa_id_t type)
76{
77	switch (type) {
78	case EISA_DEVICE_ID_3COM_3C509_TP:
79		return ("3Com 3C509-TP");
80	case EISA_DEVICE_ID_3COM_3C509_BNC:
81		return ("3Com 3C509-BNC");
82	case EISA_DEVICE_ID_3COM_3C579_TP:
83		return ("3Com 3C579-TP");
84	case EISA_DEVICE_ID_3COM_3C579_BNC:
85		return ("3Com 3C579-BNC");
86	case EISA_DEVICE_ID_3COM_3C509_COMBO:
87		return ("3Com 3C509-Combo");
88	case EISA_DEVICE_ID_3COM_3C509_TPO:
89		return ("3Com 3C509-TPO");
90	default:
91		return (NULL);
92	}
93}
94
95static int
96ep_eisa_probe(device_t dev)
97{
98	const char *desc;
99	u_long iobase;
100	u_short conf;
101	u_long port;
102	int irq;
103	int int_trig;
104
105	desc = ep_match(eisa_get_id(dev));
106	if (!desc)
107		return (ENXIO);
108	device_set_desc(dev, desc);
109
110	port = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
111	iobase = port + EP_EISA_SLOT_OFFSET;
112
113	/* We must be in EISA configuration mode */
114	if ((inw(iobase + EP_W0_ADDRESS_CFG) & 0x1f) != 0x1f)
115		return (ENXIO);
116
117	eisa_add_iospace(dev, iobase, EP_EISA_IOSIZE, RESVADDR_NONE);
118	eisa_add_iospace(dev, port, EP_IOSIZE, RESVADDR_NONE);
119
120	conf = inw(iobase + EISA_IOCONF);
121	/* Determine our IRQ */
122	switch (conf & IRQ_CHANNEL) {
123	case INT_3:
124		irq = 3;
125		break;
126	case INT_5:
127		irq = 5;
128		break;
129	case INT_7:
130		irq = 7;
131		break;
132	case INT_9:
133		irq = 9;
134		break;
135	case INT_10:
136		irq = 10;
137		break;
138	case INT_11:
139		irq = 11;
140		break;
141	case INT_12:
142		irq = 12;
143		break;
144	case INT_15:
145		irq = 15;
146		break;
147	default:
148		/* Disabled */
149		printf("ep: 3COM Network Adapter at "
150		    "slot %d has its IRQ disabled. "
151		    "Probe failed.\n",
152		    eisa_get_slot(dev));
153		return (ENXIO);
154	}
155
156	switch (eisa_get_id(dev)) {
157	case EISA_DEVICE_ID_3COM_3C579_BNC:
158	case EISA_DEVICE_ID_3COM_3C579_TP:
159		int_trig = EISA_TRIGGER_LEVEL;
160		break;
161	default:
162		int_trig = EISA_TRIGGER_EDGE;
163		break;
164	}
165
166	eisa_add_intr(dev, irq, int_trig);
167
168	return (0);
169}
170
171static int
172ep_eisa_attach(device_t dev)
173{
174	struct ep_softc *sc = device_get_softc(dev);
175	struct resource *eisa_io = NULL;
176	uint32_t eisa_iobase;
177	int irq;
178	int error = 0;
179	int rid;
180
181	rid = 1;
182	eisa_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
183	if (!eisa_io) {
184		device_printf(dev, "No I/O space?!\n");
185		error = ENXIO;
186		goto bad;
187	}
188	eisa_iobase = rman_get_start(eisa_io);
189
190	/* Reset and Enable the card */
191	outb(eisa_iobase + EP_W0_CONFIG_CTRL, W0_P4_CMD_RESET_ADAPTER);
192	DELAY(1000);		/* we must wait at least 1 ms */
193	outb(eisa_iobase + EP_W0_CONFIG_CTRL, W0_P4_CMD_ENABLE_ADAPTER);
194	/* Now the registers are availible through the lower ioport */
195
196	if ((error = ep_alloc(dev))) {
197		device_printf(dev, "ep_alloc() failed! (%d)\n", error);
198		goto bad;
199	}
200	switch (eisa_get_id(dev)) {
201	case EISA_DEVICE_ID_3COM_3C579_BNC:
202	case EISA_DEVICE_ID_3COM_3C579_TP:
203		sc->stat = F_ACCESS_32_BITS;
204		break;
205	}
206
207	ep_get_media(sc);
208
209	irq = rman_get_start(sc->irq);
210	if (irq == 9)
211		irq = 2;
212
213	GO_WINDOW(sc, 0);
214	SET_IRQ(sc, irq);
215
216	if ((error = ep_attach(sc))) {
217		device_printf(dev, "ep_attach() failed! (%d)\n", error);
218		goto bad;
219	}
220	if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
221	    NULL, ep_intr, sc, &sc->ep_intrhand))) {
222		device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
223		goto bad;
224	}
225	return (0);
226
227bad:
228	if (eisa_io)
229		bus_release_resource(dev, SYS_RES_IOPORT, 0, eisa_io);
230
231	ep_free(dev);
232	return (error);
233}
234
235static device_method_t ep_eisa_methods[] = {
236	/* Device interface */
237	DEVMETHOD(device_probe, ep_eisa_probe),
238	DEVMETHOD(device_attach, ep_eisa_attach),
239	DEVMETHOD(device_detach, ep_detach),
240
241	DEVMETHOD_END
242};
243
244static driver_t ep_eisa_driver = {
245	"ep",
246	ep_eisa_methods,
247	sizeof(struct ep_softc),
248};
249
250extern devclass_t ep_devclass;
251
252DRIVER_MODULE(ep, eisa, ep_eisa_driver, ep_devclass, 0, 0);
253