summaryrefslogtreecommitdiff
path: root/sys/dev/cardbus/if_dc_cardbus.c
blob: 338ccd6384bac254651c1cb8ecd96f1ff77f42a1 (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
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
/*	$OpenBSD: if_dc_cardbus.c,v 1.26 2008/09/11 04:32:23 brad Exp $	*/

/*
 * Copyright (c) 1997, 1998, 1999
 *	Bill Paul <wpaul@ee.columbia.edu>.  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, 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Bill Paul.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
 * 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.
 *
 * $FreeBSD: src/sys/pci/if_dc.c,v 1.5 2000/01/12 22:24:05 wpaul Exp $
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/device.h>

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

#include <netinet/in.h>
#include <netinet/if_ether.h>

#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>

#include <machine/bus.h>

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

#include <dev/cardbus/cardbusvar.h>

#include <dev/ic/dcreg.h>

/* PCI configuration regs */
#define	PCI_CBIO	0x10
#define	PCI_CBMEM	0x14
#define	PCI_CFDA	0x40

#define	DC_CFDA_SUSPEND	0x80000000
#define	DC_CFDA_STANDBY	0x40000000

struct dc_cardbus_softc {
	struct dc_softc		sc_dc;
	int			sc_intrline;

	cardbus_devfunc_t	sc_ct;
	cardbustag_t		sc_tag;
	bus_size_t		sc_mapsize;
	int			sc_actype;
};

int dc_cardbus_match(struct device *, void *, void *);
void dc_cardbus_attach(struct device *, struct device *,void *);
int dc_cardbus_detach(struct device *, int);

void dc_cardbus_setup(struct dc_cardbus_softc *csc);

struct cfattach dc_cardbus_ca = {
	sizeof(struct dc_cardbus_softc), dc_cardbus_match, dc_cardbus_attach,
	    dc_cardbus_detach
};

const struct cardbus_matchid dc_cardbus_devices[] = {
	{ PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21142 },
	{ PCI_VENDOR_XIRCOM, PCI_PRODUCT_XIRCOM_X3201_3_21143 },
	{ PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AN985 },
	{ PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_EN2242 },
	{ PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2500 },
	{ PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2500MX },
	{ PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_PCM200 },
	{ PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DRP32TXD },
	{ PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_PCMPC200 },
	{ PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_PCM200 },
	{ PCI_VENDOR_HAWKING, PCI_PRODUCT_HAWKING_PN672TX },
	{ PCI_VENDOR_MICROSOFT, PCI_PRODUCT_MICROSOFT_MN120 },
};

int
dc_cardbus_match(parent, match, aux)
	struct device *parent;
	void *match, *aux;
{
	return (cardbus_matchbyid((struct cardbus_attach_args *)aux,
	    dc_cardbus_devices,
	    sizeof(dc_cardbus_devices)/sizeof(dc_cardbus_devices[0])));
}

void
dc_cardbus_attach(parent, self, aux)
	struct device *parent, *self;
	void *aux;
{
	struct dc_cardbus_softc *csc = (struct dc_cardbus_softc *)self;
	struct dc_softc *sc = &csc->sc_dc;
	struct cardbus_attach_args *ca = aux;
	struct cardbus_devfunc *ct = ca->ca_ct;
	cardbus_chipset_tag_t cc = ct->ct_cc;
	cardbus_function_tag_t cf = ct->ct_cf;
	cardbusreg_t reg;
	bus_addr_t addr;

	sc->sc_dmat = ca->ca_dmat;
	csc->sc_ct = ct;
	csc->sc_tag = ca->ca_tag;

	Cardbus_function_enable(ct);

	if (Cardbus_mapreg_map(ct, PCI_CBIO,
	    PCI_MAPREG_TYPE_IO, 0, &sc->dc_btag, &sc->dc_bhandle, &addr,
	    &csc->sc_mapsize) == 0) {

		csc->sc_actype = CARDBUS_IO_ENABLE;
	} else if (Cardbus_mapreg_map(ct, PCI_CBMEM,
	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
	    &sc->dc_btag, &sc->dc_bhandle, &addr, &csc->sc_mapsize) == 0) {
		csc->sc_actype = CARDBUS_MEM_ENABLE;
	} else {
		printf(": can't map device registers\n");
		return;
	}

	csc->sc_intrline = ca->ca_intrline;

	sc->dc_cachesize = cardbus_conf_read(cc, cf, ca->ca_tag, DC_PCI_CFLT)
	    & 0xFF;

	dc_cardbus_setup(csc);

	/* Get the eeprom width, but XIRCOM has no eeprom */
	if (!(PCI_VENDOR(ca->ca_id) == PCI_VENDOR_XIRCOM &&
	      PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_XIRCOM_X3201_3_21143))
		dc_eeprom_width(sc);

	switch (PCI_VENDOR(ca->ca_id)) {
	case PCI_VENDOR_DEC:
		if (PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_DEC_21142) {
			sc->dc_type = DC_TYPE_21143;
			sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR;
			sc->dc_flags |= DC_REDUCED_MII_POLL;
			dc_read_srom(sc, sc->dc_romwidth);
			dc_parse_21143_srom(sc);
		}
		break;
	case PCI_VENDOR_XIRCOM:
		if (PCI_PRODUCT(ca->ca_id) ==
		    PCI_PRODUCT_XIRCOM_X3201_3_21143) {
			sc->dc_type = DC_TYPE_XIRCOM;
			sc->dc_flags |= DC_TX_INTR_ALWAYS|DC_TX_COALESCE |
					DC_TX_ALIGN;
			sc->dc_pmode = DC_PMODE_MII;

			bcopy(ca->ca_cis.funce.network.netid,
			    &sc->sc_arpcom.ac_enaddr,
			    sizeof sc->sc_arpcom.ac_enaddr);
		}
		break;
	case PCI_VENDOR_ADMTEK:
	case PCI_VENDOR_ACCTON:
	case PCI_VENDOR_ABOCOM:
	case PCI_VENDOR_DLINK:
	case PCI_VENDOR_LINKSYS:
	case PCI_VENDOR_HAWKING:
	case PCI_VENDOR_MICROSOFT:
		if (PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADMTEK_AN985 ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ACCTON_EN2242 ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ABOCOM_FE2500 ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ABOCOM_FE2500MX ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ABOCOM_PCM200 ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_DLINK_DRP32TXD ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_LINKSYS_PCMPC200 ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_LINKSYS_PCM200 ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_HAWKING_PN672TX ||
		    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_MICROSOFT_MN120) {
			sc->dc_type = DC_TYPE_AN983;
			sc->dc_flags |= DC_TX_USE_TX_INTR|DC_TX_ADMTEK_WAR |
					DC_64BIT_HASH;
			sc->dc_pmode = DC_PMODE_MII;
			/* Don't read SROM for - auto-loaded on reset */
		}
		break;
	default:
		printf(": unknown device\n");
		return;
	}

 	/*
	 * set latency timer, do we really need this?
	 */
	reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG);
	if (PCI_LATTIMER(reg) < 0x20) {
		reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
		reg |= (0x20 << PCI_LATTIMER_SHIFT);
		cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg);
	}

	sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_NET,
	    dc_intr, csc, sc->sc_dev.dv_xname);
	if (sc->sc_ih == NULL) {
		printf(": can't establish interrupt at %d\n",
		    ca->ca_intrline);
		return;
	}
	printf(": irq %d", ca->ca_intrline);

	dc_reset(sc);

	sc->dc_revision = PCI_REVISION(ca->ca_class);
	dc_attach(sc);
}

int
dc_detach(sc)
	struct dc_softc *sc;
{
	struct ifnet *ifp = &sc->sc_arpcom.ac_if;

	if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL)
		mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);

	if (sc->dc_srom)
		free(sc->dc_srom, M_DEVBUF);

	timeout_del(&sc->dc_tick_tmo);

	ether_ifdetach(ifp);
	if_detach(ifp);

	if (sc->sc_dhook != NULL)
		shutdownhook_disestablish(sc->sc_dhook);
	if (sc->sc_pwrhook != NULL)
		powerhook_disestablish(sc->sc_pwrhook);

	return (0);
}

int
dc_cardbus_detach(self, flags)
	struct device *self;
	int flags;
{
	struct dc_cardbus_softc *csc = (struct dc_cardbus_softc *)self;
	struct dc_softc *sc = &csc->sc_dc;
	struct cardbus_devfunc *ct = csc->sc_ct;
	int rv = 0;

	rv = dc_detach(sc);
	if (rv)
		return (rv);

	cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);

	/* unmap cardbus resources */
	Cardbus_mapreg_unmap(ct,
	    csc->sc_actype == CARDBUS_IO_ENABLE ? PCI_CBIO : PCI_CBMEM,
	    sc->dc_btag, sc->dc_bhandle, csc->sc_mapsize);

	return (rv);
}

void
dc_cardbus_setup(csc)
	struct dc_cardbus_softc *csc;
{
	cardbus_devfunc_t ct = csc->sc_ct;
	cardbus_chipset_tag_t cc = ct->ct_cc;
	cardbus_function_tag_t cf = ct->ct_cf;
	cardbusreg_t reg;
	int r;

	/* wakeup the card if needed */
	reg = cardbus_conf_read(cc, cf, csc->sc_tag, PCI_CFDA);
	if (reg | (DC_CFDA_SUSPEND|DC_CFDA_STANDBY)) {
		cardbus_conf_write(cc, cf, csc->sc_tag, PCI_CFDA,
		    reg & ~(DC_CFDA_SUSPEND|DC_CFDA_STANDBY));
	}

	if (cardbus_get_capability(cc, cf, csc->sc_tag, PCI_CAP_PWRMGMT, &r,
	    0)) {
		r = cardbus_conf_read(cc, cf, csc->sc_tag, r + 4) & 3;
		if (r) {
			printf("%s: awakening from state D%d\n",
			    csc->sc_dc.sc_dev.dv_xname, r);
			cardbus_conf_write(cc, cf, csc->sc_tag, r + 4, 0);
		}
	}

	(*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_actype);
	(*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);

	reg = cardbus_conf_read(cc, cf, csc->sc_tag, PCI_COMMAND_STATUS_REG);
	reg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
	    PCI_COMMAND_MASTER_ENABLE;
	cardbus_conf_write(cc, cf, csc->sc_tag, PCI_COMMAND_STATUS_REG, reg);
	reg = cardbus_conf_read(cc, cf, csc->sc_tag, PCI_COMMAND_STATUS_REG);
}