Deleted Added
full compact
1/*-
2 * Copyright (c) 2005, 2006
3 * Damien Bergamini <damien.bergamini@free.fr>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include <sys/cdefs.h>
19__FBSDID("$FreeBSD: head/sys/dev/ral/if_ral_pci.c 286410 2015-08-07 11:43:14Z glebius $");
19__FBSDID("$FreeBSD: head/sys/dev/ral/if_ral_pci.c 286437 2015-08-08 01:10:17Z adrian $");
20
21/*
22 * PCI/Cardbus front-end for the Ralink RT2560/RT2561/RT2561S/RT2661 driver.
23 */
24
25#include <sys/param.h>
26#include <sys/systm.h>
27#include <sys/bus.h>
28#include <sys/kernel.h>
29#include <sys/lock.h>
30#include <sys/malloc.h>
31#include <sys/mbuf.h>
31#include <sys/module.h>
32#include <sys/mutex.h>
33#include <sys/rman.h>
34#include <sys/socket.h>
35
36#include <machine/bus.h>
37#include <machine/resource.h>
38
39#include <net/ethernet.h>
40#include <net/if.h>
41#include <net/if_media.h>
42#include <net/route.h>
43
44#include <net80211/ieee80211_var.h>
45#include <net80211/ieee80211_radiotap.h>
46
47#include <dev/pci/pcireg.h>
48#include <dev/pci/pcivar.h>
49
50#include <dev/ral/rt2560var.h>
51#include <dev/ral/rt2661var.h>
52#include <dev/ral/rt2860var.h>
53
54MODULE_DEPEND(ral, pci, 1, 1, 1);
55MODULE_DEPEND(ral, firmware, 1, 1, 1);
56MODULE_DEPEND(ral, wlan, 1, 1, 1);
57MODULE_DEPEND(ral, wlan_amrr, 1, 1, 1);
58
59static int ral_msi_disable;
60TUNABLE_INT("hw.ral.msi_disable", &ral_msi_disable);
61
62struct ral_pci_ident {
63 uint16_t vendor;
64 uint16_t device;
65 const char *name;
66};
67
68static const struct ral_pci_ident ral_pci_ids[] = {
69 { 0x1432, 0x7708, "Edimax RT2860" },
70 { 0x1432, 0x7711, "Edimax RT3591" },
71 { 0x1432, 0x7722, "Edimax RT3591" },
72 { 0x1432, 0x7727, "Edimax RT2860" },
73 { 0x1432, 0x7728, "Edimax RT2860" },
74 { 0x1432, 0x7738, "Edimax RT2860" },
75 { 0x1432, 0x7748, "Edimax RT2860" },
76 { 0x1432, 0x7758, "Edimax RT2860" },
77 { 0x1432, 0x7768, "Edimax RT2860" },
78 { 0x1462, 0x891a, "MSI RT3090" },
79 { 0x1814, 0x0201, "Ralink Technology RT2560" },
80 { 0x1814, 0x0301, "Ralink Technology RT2561S" },
81 { 0x1814, 0x0302, "Ralink Technology RT2561" },
82 { 0x1814, 0x0401, "Ralink Technology RT2661" },
83 { 0x1814, 0x0601, "Ralink Technology RT2860" },
84 { 0x1814, 0x0681, "Ralink Technology RT2890" },
85 { 0x1814, 0x0701, "Ralink Technology RT2760" },
86 { 0x1814, 0x0781, "Ralink Technology RT2790" },
87 { 0x1814, 0x3060, "Ralink Technology RT3060" },
88 { 0x1814, 0x3062, "Ralink Technology RT3062" },
89 { 0x1814, 0x3090, "Ralink Technology RT3090" },
90 { 0x1814, 0x3091, "Ralink Technology RT3091" },
91 { 0x1814, 0x3092, "Ralink Technology RT3092" },
92 { 0x1814, 0x3390, "Ralink Technology RT3390" },
93 { 0x1814, 0x3562, "Ralink Technology RT3562" },
94 { 0x1814, 0x3592, "Ralink Technology RT3592" },
95 { 0x1814, 0x3593, "Ralink Technology RT3593" },
96 { 0x1814, 0x5360, "Ralink Technology RT5390" },
97 { 0x1814, 0x5362, "Ralink Technology RT5392" },
98 { 0x1814, 0x5390, "Ralink Technology RT5390" },
99 { 0x1814, 0x5392, "Ralink Technology RT5392" },
100 { 0x1814, 0x539a, "Ralink Technology RT5390" },
101 { 0x1814, 0x539f, "Ralink Technology RT5390" },
102 { 0x1a3b, 0x1059, "AWT RT2890" },
103 { 0, 0, NULL }
104};
105
106static const struct ral_opns {
107 int (*attach)(device_t, int);
108 int (*detach)(void *);
109 void (*shutdown)(void *);
110 void (*suspend)(void *);
111 void (*resume)(void *);
112 void (*intr)(void *);
113
114} ral_rt2560_opns = {
115 rt2560_attach,
116 rt2560_detach,
117 rt2560_stop,
118 rt2560_stop,
119 rt2560_resume,
120 rt2560_intr
121
122}, ral_rt2661_opns = {
123 rt2661_attach,
124 rt2661_detach,
125 rt2661_shutdown,
126 rt2661_suspend,
127 rt2661_resume,
128 rt2661_intr
129}, ral_rt2860_opns = {
130 rt2860_attach,
131 rt2860_detach,
132 rt2860_shutdown,
133 rt2860_suspend,
134 rt2860_resume,
135 rt2860_intr
136};
137
138struct ral_pci_softc {
139 union {
140 struct rt2560_softc sc_rt2560;
141 struct rt2661_softc sc_rt2661;
142 struct rt2860_softc sc_rt2860;
143 } u;
144
145 const struct ral_opns *sc_opns;
146 struct resource *irq;
147 struct resource *mem;
148 void *sc_ih;
149};
150
151static int ral_pci_probe(device_t);
152static int ral_pci_attach(device_t);
153static int ral_pci_detach(device_t);
154static int ral_pci_shutdown(device_t);
155static int ral_pci_suspend(device_t);
156static int ral_pci_resume(device_t);
157
158static device_method_t ral_pci_methods[] = {
159 /* Device interface */
160 DEVMETHOD(device_probe, ral_pci_probe),
161 DEVMETHOD(device_attach, ral_pci_attach),
162 DEVMETHOD(device_detach, ral_pci_detach),
163 DEVMETHOD(device_shutdown, ral_pci_shutdown),
164 DEVMETHOD(device_suspend, ral_pci_suspend),
165 DEVMETHOD(device_resume, ral_pci_resume),
166
167 DEVMETHOD_END
168};
169
170static driver_t ral_pci_driver = {
171 "ral",
172 ral_pci_methods,
173 sizeof (struct ral_pci_softc)
174};
175
176static devclass_t ral_devclass;
177
178DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, NULL, NULL);
179
180static int
181ral_pci_probe(device_t dev)
182{
183 const struct ral_pci_ident *ident;
184
185 for (ident = ral_pci_ids; ident->name != NULL; ident++) {
186 if (pci_get_vendor(dev) == ident->vendor &&
187 pci_get_device(dev) == ident->device) {
188 device_set_desc(dev, ident->name);
189 return (BUS_PROBE_DEFAULT);
190 }
191 }
192 return ENXIO;
193}
194
195static int
196ral_pci_attach(device_t dev)
197{
198 struct ral_pci_softc *psc = device_get_softc(dev);
199 struct rt2560_softc *sc = &psc->u.sc_rt2560;
200 int count, error, rid;
201
202 pci_enable_busmaster(dev);
203
204 switch (pci_get_device(dev)) {
205 case 0x0201:
206 psc->sc_opns = &ral_rt2560_opns;
207 break;
208 case 0x0301:
209 case 0x0302:
210 case 0x0401:
211 psc->sc_opns = &ral_rt2661_opns;
212 break;
213 default:
214 psc->sc_opns = &ral_rt2860_opns;
215 break;
216 }
217
218 rid = PCIR_BAR(0);
219 psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
220 RF_ACTIVE);
221 if (psc->mem == NULL) {
222 device_printf(dev, "could not allocate memory resource\n");
223 return ENXIO;
224 }
225
226 sc->sc_st = rman_get_bustag(psc->mem);
227 sc->sc_sh = rman_get_bushandle(psc->mem);
228 sc->sc_invalid = 1;
229
230 rid = 0;
231 if (ral_msi_disable == 0) {
232 count = 1;
233 if (pci_alloc_msi(dev, &count) == 0)
234 rid = 1;
235 }
236 psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE |
237 (rid != 0 ? 0 : RF_SHAREABLE));
238 if (psc->irq == NULL) {
239 device_printf(dev, "could not allocate interrupt resource\n");
240 pci_release_msi(dev);
241 bus_release_resource(dev, SYS_RES_MEMORY,
242 rman_get_rid(psc->mem), psc->mem);
243 return ENXIO;
244 }
245
246 error = (*psc->sc_opns->attach)(dev, pci_get_device(dev));
247 if (error != 0) {
248 (void)ral_pci_detach(dev);
249 return error;
250 }
251
252 /*
253 * Hook our interrupt after all initialization is complete.
254 */
255 error = bus_setup_intr(dev, psc->irq, INTR_TYPE_NET | INTR_MPSAFE,
256 NULL, psc->sc_opns->intr, psc, &psc->sc_ih);
257 if (error != 0) {
258 device_printf(dev, "could not set up interrupt\n");
259 (void)ral_pci_detach(dev);
260 return error;
261 }
262 sc->sc_invalid = 0;
263
264 return 0;
265}
266
267static int
268ral_pci_detach(device_t dev)
269{
270 struct ral_pci_softc *psc = device_get_softc(dev);
271 struct rt2560_softc *sc = &psc->u.sc_rt2560;
272
273 /* check if device was removed */
274 sc->sc_invalid = !bus_child_present(dev);
275
276 if (psc->sc_ih != NULL)
277 bus_teardown_intr(dev, psc->irq, psc->sc_ih);
278 (*psc->sc_opns->detach)(psc);
279
280 bus_generic_detach(dev);
281 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(psc->irq),
282 psc->irq);
283 pci_release_msi(dev);
284
285 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(psc->mem),
286 psc->mem);
287
288 return 0;
289}
290
291static int
292ral_pci_shutdown(device_t dev)
293{
294 struct ral_pci_softc *psc = device_get_softc(dev);
295
296 (*psc->sc_opns->shutdown)(psc);
297
298 return 0;
299}
300
301static int
302ral_pci_suspend(device_t dev)
303{
304 struct ral_pci_softc *psc = device_get_softc(dev);
305
306 (*psc->sc_opns->suspend)(psc);
307
308 return 0;
309}
310
311static int
312ral_pci_resume(device_t dev)
313{
314 struct ral_pci_softc *psc = device_get_softc(dev);
315
316 (*psc->sc_opns->resume)(psc);
317
318 return 0;
319}