summaryrefslogtreecommitdiff
path: root/sys/dev/pci/if_fxp_pci.c
blob: 9166c3a4656a9ce13464d85c966bc31219ddfe42 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
/*	$OpenBSD: if_fxp_pci.c,v 1.52 2009/10/15 17:54:56 deraadt Exp $	*/

/*
 * Copyright (c) 1995, David Greenman
 * All rights reserved.
 *
 * Modifications to support NetBSD:
 * Copyright (c) 1997 Jason R. Thorpe.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice unmodified, this list of conditions, and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	Id: if_fxp.c,v 1.55 1998/08/04 08:53:12 dg Exp
 */

/*
 * Intel EtherExpress Pro/100B PCI Fast Ethernet driver
 */

#include "bpfilter.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/timeout.h>
#include <sys/syslog.h>

#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>

#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#endif

#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/device.h>

#include <netinet/if_ether.h>

#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>

#include <dev/mii/miivar.h>

#include <dev/ic/fxpreg.h>
#include <dev/ic/fxpvar.h>

#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>

int fxp_pci_match(struct device *, void *, void *);
void fxp_pci_attach(struct device *, struct device *, void *);
int fxp_pci_detach(struct device *, int);

struct fxp_pci_softc {
	struct fxp_softc	psc_softc;
	pci_chipset_tag_t	psc_pc;
	bus_size_t		psc_mapsize;
};

struct cfattach fxp_pci_ca = {
	sizeof(struct fxp_pci_softc), fxp_pci_match, fxp_pci_attach,
	    fxp_pci_detach
};

const struct pci_matchid fxp_pci_devices[] = {
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82552 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82559ER },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_0 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_1 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82562EH_HPNA_2 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_0 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_1 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_2 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_3 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_4 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_5 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_6 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_7 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VE_8 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_0 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_1 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_2 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_3 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_4 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_5 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_6 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_7 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_8 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_9 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_10 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_11 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_12 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_13 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_14 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_15 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_16 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_17 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_18 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_VM_19 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100_M },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_PRO_100 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801DB_LAN },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_1 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801E_LAN_2 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FB_LAN_2 },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801FBM_LAN },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN },
	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801GB_LAN_2 },
};

int
fxp_pci_match(struct device *parent, void *match, void *aux)
{
	return (pci_matchbyid((struct pci_attach_args *)aux, fxp_pci_devices,
	    sizeof(fxp_pci_devices)/sizeof(fxp_pci_devices[0])));
}

void
fxp_pci_attach(struct device *parent, struct device *self, void *aux)
{
	struct fxp_pci_softc *psc = (void *)self;
	struct fxp_softc *sc = &psc->psc_softc;
	struct pci_attach_args *pa = aux;
	pci_chipset_tag_t pc = pa->pa_pc;
	pci_intr_handle_t ih;
	const char *chipname = NULL;
	const char *intrstr = NULL;

	if (pci_mapreg_map(pa, FXP_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0,
	    &sc->sc_st, &sc->sc_sh, NULL, &psc->psc_mapsize, 0)) {
		printf(": can't map i/o space\n");
		return;
	}
	psc->psc_pc = pa->pa_pc;
	sc->sc_dmat = pa->pa_dmat;

	sc->sc_revision = PCI_REVISION(pa->pa_class);

	/*
	 * Allocate our interrupt.
	 */
	if (pci_intr_map(pa, &ih)) {
		printf(": couldn't map interrupt\n");
		bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
		return;
	}

	intrstr = pci_intr_string(pc, ih);
	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, fxp_intr, sc,
	    self->dv_xname);
	if (sc->sc_ih == NULL) {
		printf(": couldn't establish interrupt");
		if (intrstr != NULL)
			printf(" at %s", intrstr);
		printf("\n");
		bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
		return;
	}

	switch (PCI_PRODUCT(pa->pa_id)) {
	case PCI_PRODUCT_INTEL_8255x:
	case PCI_PRODUCT_INTEL_82559:
	case PCI_PRODUCT_INTEL_82559ER:
	{
		chipname = "i82557";
		if (sc->sc_revision >= FXP_REV_82558_A4)
			chipname = "i82558";
		if (sc->sc_revision >= FXP_REV_82559_A0)
			chipname = "i82559";
		if (sc->sc_revision >= FXP_REV_82559S_A)
			chipname = "i82559S";
		if (sc->sc_revision >= FXP_REV_82550)
			chipname = "i82550";
		if (sc->sc_revision >= FXP_REV_82551_E)
			chipname = "i82551";
		break;
	}
		break;
	case PCI_PRODUCT_INTEL_82552:
		chipname = "i82552";
		break;
	default:
		chipname = "i82562";
		break;
	}

	if (chipname != NULL)
		printf(", %s", chipname);

	/*
	 * Cards for which we should WRITE TO THE EEPROM
	 * to turn off dynamic standby mode to avoid
	 * a problem where the card will fail to resume when
	 * entering the IDLE state. We use this nasty if statement
	 * and corresponding pci dev numbers directly so that people
	 * know not to add new cards to this unless you are really
	 * certain what you are doing and are not going to end up
	 * killing people's eeproms.
	 */
	if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) &&
	    (PCI_PRODUCT(pa->pa_id) == 0x2449 || 
	    (PCI_PRODUCT(pa->pa_id) > 0x1030 && 
	    PCI_PRODUCT(pa->pa_id) < 0x1039) || 
	    (PCI_PRODUCT(pa->pa_id) == 0x1229 &&
	    (sc->sc_revision >= 8 && sc->sc_revision <= 16))))
		sc->sc_flags |= FXPF_DISABLE_STANDBY;

	/*
	 * enable PCI Memory Write and Invalidate command
	 */
	if (sc->sc_revision >= FXP_REV_82558_A4)
		if (PCI_CACHELINE(pci_conf_read(pa->pa_pc, pa->pa_tag,
		    PCI_BHLC_REG))) {
			pci_conf_write(pa->pa_pc, pa->pa_tag,
			    PCI_COMMAND_STATUS_REG,
			    PCI_COMMAND_INVALIDATE_ENABLE |
			    pci_conf_read(pa->pa_pc, pa->pa_tag,
			    PCI_COMMAND_STATUS_REG));
			sc->sc_flags |= FXPF_MWI_ENABLE;
		}

	/* Do generic parts of attach. */
	if (fxp_attach(sc, intrstr)) {
		/* Failed! */
		pci_intr_disestablish(pc, sc->sc_ih);
		bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);
		return;
	}
}

int
fxp_pci_detach(struct device *self, int flags)
{
	struct fxp_pci_softc *psc = (void *)self;
	struct fxp_softc *sc = &psc->psc_softc;

	if (sc->sc_ih != NULL)
		pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
	fxp_detach(sc);
	bus_space_unmap(sc->sc_st, sc->sc_sh, psc->psc_mapsize);

	return (0);
}