summaryrefslogtreecommitdiff
path: root/sys/dev/pci/if_ral_pci.c
blob: 8c752cb8b3116ee3585ad5d15fab89dc45039079 (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
/*	$OpenBSD: if_ral_pci.c,v 1.29 2024/05/24 06:02:56 jsg Exp $  */

/*-
 * Copyright (c) 2005-2010 Damien Bergamini <damien.bergamini@free.fr>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*
 * PCI front-end for the Ralink RT2560/RT2561/RT2860/RT3090 driver.
 */

#include "bpfilter.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/timeout.h>
#include <sys/device.h>

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

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

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

#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_amrr.h>
#include <net80211/ieee80211_radiotap.h>

#include <dev/ic/rt2560var.h>
#include <dev/ic/rt2661var.h>
#include <dev/ic/rt2860var.h>

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

static struct ral_opns {
	int	(*attach)(void *, int);
	int	(*detach)(void *);
	void	(*suspend)(void *);
	void	(*wakeup)(void *);
	int	(*intr)(void *);

}  ral_rt2560_opns = {
	rt2560_attach,
	rt2560_detach,
	rt2560_suspend,
	rt2560_wakeup,
	rt2560_intr

}, ral_rt2661_opns = {
	rt2661_attach,
	rt2661_detach,
	rt2661_suspend,
	rt2661_wakeup,
	rt2661_intr

}, ral_rt2860_opns = {
	rt2860_attach,
	rt2860_detach,
	rt2860_suspend,
	rt2860_wakeup,
	rt2860_intr
};

struct ral_pci_softc {
	union {
		struct rt2560_softc	sc_rt2560;
		struct rt2661_softc	sc_rt2661;
		struct rt2860_softc	sc_rt2860;
	} u;
#define sc_sc	u.sc_rt2560

	/* PCI specific goo */
	struct ral_opns		*sc_opns;
	pci_chipset_tag_t	sc_pc;
	void			*sc_ih;
	bus_size_t		sc_mapsize;
};

/* Base Address Register */
#define RAL_PCI_BAR0	0x10

int	ral_pci_match(struct device *, void *, void *);
void	ral_pci_attach(struct device *, struct device *, void *);
int	ral_pci_detach(struct device *, int);
int	ral_pci_activate(struct device *, int);
void	ral_pci_wakeup(struct ral_pci_softc *);

const struct cfattach ral_pci_ca = {
	sizeof (struct ral_pci_softc), ral_pci_match, ral_pci_attach,
	ral_pci_detach, ral_pci_activate
};

const struct pci_matchid ral_pci_devices[] = {
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 },
	{ PCI_VENDOR_AWT,    PCI_PRODUCT_AWT_RT2890 },
	{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 },
	{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 },
	{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 },
	{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 },
	{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 },
	{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 },
	{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3060 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3290 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5360 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5392 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_1 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_2 },
	{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_3 }
};

int
ral_pci_match(struct device *parent, void *match, void *aux)
{
	return (pci_matchbyid((struct pci_attach_args *)aux, ral_pci_devices,
	    nitems(ral_pci_devices)));
}

void
ral_pci_attach(struct device *parent, struct device *self, void *aux)
{
	struct ral_pci_softc *psc = (struct ral_pci_softc *)self;
	struct rt2560_softc *sc = &psc->sc_sc;
	struct pci_attach_args *pa = aux;
	const char *intrstr;
	pci_intr_handle_t ih;
	pcireg_t memtype;
	int error;

	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) {
		switch (PCI_PRODUCT(pa->pa_id)) {
		case PCI_PRODUCT_RALINK_RT2560:
			psc->sc_opns = &ral_rt2560_opns;
			break;
		case PCI_PRODUCT_RALINK_RT2561:
		case PCI_PRODUCT_RALINK_RT2561S:
		case PCI_PRODUCT_RALINK_RT2661:
			psc->sc_opns = &ral_rt2661_opns;
			break;
		default:
			psc->sc_opns = &ral_rt2860_opns;
			break;
		}
	} else {
		/* all other vendors are RT2860 only */
		psc->sc_opns = &ral_rt2860_opns;
	}
	sc->sc_dmat = pa->pa_dmat;
	psc->sc_pc = pa->pa_pc;

	/* map control/status registers */
	memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0);
	error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st,
	    &sc->sc_sh, NULL, &psc->sc_mapsize, 0);
	if (error != 0) {
		printf(": can't map mem space\n");
		return;
	}

	if (pci_intr_map(pa, &ih) != 0) {
		printf(": can't map interrupt\n");
		return;
	}

	intrstr = pci_intr_string(psc->sc_pc, ih);
	psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET,
	    psc->sc_opns->intr, sc, sc->sc_dev.dv_xname);
	if (psc->sc_ih == NULL) {
		printf(": can't establish interrupt");
		if (intrstr != NULL)
			printf(" at %s", intrstr);
		printf("\n");
		return;
	}
	printf(": %s", intrstr);

	(*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id));
}

int
ral_pci_detach(struct device *self, int flags)
{
	struct ral_pci_softc *psc = (struct ral_pci_softc *)self;
	struct rt2560_softc *sc = &psc->sc_sc;
	int error;

	if (psc->sc_ih != NULL) {
		pci_intr_disestablish(psc->sc_pc, psc->sc_ih);

		error = (*psc->sc_opns->detach)(sc);
		if (error != 0)
			return error;
	}

	if (psc->sc_mapsize > 0)
		bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize);

	return 0;
}

int
ral_pci_activate(struct device *self, int act)
{
	struct ral_pci_softc *psc = (struct ral_pci_softc *)self;
	struct rt2560_softc *sc = &psc->sc_sc;

	switch (act) {
	case DVACT_SUSPEND:
		(*psc->sc_opns->suspend)(sc);
		break;
	case DVACT_WAKEUP:
		ral_pci_wakeup(psc);
		break;
	}
	return 0;
}

void
ral_pci_wakeup(struct ral_pci_softc *psc)
{
	struct rt2560_softc *sc = &psc->sc_sc;
	int s;

	s = splnet();
	(*psc->sc_opns->wakeup)(sc);
	splx(s);
}