if_run.c revision 1.3.2.2 1 /* $NetBSD: if_run.c,v 1.3.2.2 2012/06/02 11:09:29 mrg Exp $ */
2 /* $OpenBSD: if_run.c,v 1.90 2012/03/24 15:11:04 jsg Exp $ */
3
4 /*-
5 * Copyright (c) 2008-2010 Damien Bergamini <damien.bergamini (at) free.fr>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 /*-
21 * Ralink Technology RT2700U/RT2800U/RT3000U chipset driver.
22 * http://www.ralinktech.com/
23 */
24
25 #include <sys/cdefs.h>
26 __KERNEL_RCSID(0, "$NetBSD: if_run.c,v 1.3.2.2 2012/06/02 11:09:29 mrg Exp $");
27
28 #include <sys/param.h>
29 #include <sys/sockio.h>
30 #include <sys/sysctl.h>
31 #include <sys/mbuf.h>
32 #include <sys/kernel.h>
33 #include <sys/socket.h>
34 #include <sys/systm.h>
35 #include <sys/malloc.h>
36 #include <sys/callout.h>
37 #include <sys/module.h>
38 #include <sys/conf.h>
39 #include <sys/device.h>
40
41 #include <sys/bus.h>
42 #include <machine/endian.h>
43 #include <sys/intr.h>
44
45 #include <net/bpf.h>
46 #include <net/if.h>
47 #include <net/if_arp.h>
48 #include <net/if_dl.h>
49 #include <net/if_ether.h>
50 #include <net/if_media.h>
51 #include <net/if_types.h>
52
53 #include <net80211/ieee80211_var.h>
54 #include <net80211/ieee80211_amrr.h>
55 #include <net80211/ieee80211_radiotap.h>
56
57 #include <dev/firmload.h>
58
59 #include <dev/usb/usb.h>
60 #include <dev/usb/usbdi.h>
61 #include <dev/usb/usbdivar.h>
62 #include <dev/usb/usbdi_util.h>
63 #include <dev/usb/usbdevs.h>
64
65 #include <dev/ic/rt2860reg.h> /* shared with ral(4) */
66 #include <dev/usb/if_runvar.h>
67
68 #ifdef USB_DEBUG
69 #define RUN_DEBUG
70 #endif
71
72 #ifdef RUN_DEBUG
73 #define DPRINTF(x) do { if (run_debug) printf x; } while (0)
74 #define DPRINTFN(n, x) do { if (run_debug >= (n)) printf x; } while (0)
75 int run_debug = 0;
76 #else
77 #define DPRINTF(x)
78 #define DPRINTFN(n, x)
79 #endif
80
81 #define USB_ID(v, p) { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }
82 static const struct usb_devno run_devs[] = {
83 USB_ID(ABOCOM, RT2770),
84 USB_ID(ABOCOM, RT2870),
85 USB_ID(ABOCOM, RT3070),
86 USB_ID(ABOCOM, RT3071),
87 USB_ID(ABOCOM, RT3072),
88 USB_ID(ABOCOM2, RT2870_1),
89 USB_ID(ACCTON, RT2770),
90 USB_ID(ACCTON, RT2870_1),
91 USB_ID(ACCTON, RT2870_2),
92 USB_ID(ACCTON, RT2870_3),
93 USB_ID(ACCTON, RT2870_4),
94 USB_ID(ACCTON, RT2870_5),
95 USB_ID(ACCTON, RT3070),
96 USB_ID(ACCTON, RT3070_1),
97 USB_ID(ACCTON, RT3070_2),
98 USB_ID(ACCTON, RT3070_3),
99 USB_ID(ACCTON, RT3070_4),
100 USB_ID(ACCTON, RT3070_5),
101 USB_ID(ACCTON, RT3070_6),
102 USB_ID(AIRTIES, RT3070),
103 USB_ID(AIRTIES, RT3070_2),
104 USB_ID(ALLWIN, RT2070),
105 USB_ID(ALLWIN, RT2770),
106 USB_ID(ALLWIN, RT2870),
107 USB_ID(ALLWIN, RT3070),
108 USB_ID(ALLWIN, RT3071),
109 USB_ID(ALLWIN, RT3072),
110 USB_ID(ALLWIN, RT3572),
111 USB_ID(AMIGO, RT2870_1),
112 USB_ID(AMIGO, RT2870_2),
113 USB_ID(AMIT, CGWLUSB2GNR),
114 USB_ID(AMIT, RT2870_1),
115 USB_ID(AMIT2, RT2870),
116 USB_ID(ASUSTEK, RT2870_1),
117 USB_ID(ASUSTEK, RT2870_2),
118 USB_ID(ASUSTEK, RT2870_3),
119 USB_ID(ASUSTEK, RT2870_4),
120 USB_ID(ASUSTEK, RT2870_5),
121 USB_ID(ASUSTEK, RT3070),
122 USB_ID(ASUSTEK, RT3070_1),
123 USB_ID(ASUSTEK2, USBN11),
124 USB_ID(AZUREWAVE, RT2870_1),
125 USB_ID(AZUREWAVE, RT2870_2),
126 USB_ID(AZUREWAVE, RT3070),
127 USB_ID(AZUREWAVE, RT3070_2),
128 USB_ID(AZUREWAVE, RT3070_3),
129 USB_ID(AZUREWAVE, RT3070_4),
130 USB_ID(AZUREWAVE, RT3070_5),
131 USB_ID(BELKIN, F5D8053V3),
132 USB_ID(BELKIN, F5D8055),
133 USB_ID(BELKIN, F5D8055V2),
134 USB_ID(BELKIN, F6D4050V1),
135 USB_ID(BELKIN, F6D4050V2),
136 USB_ID(BELKIN, F7D1101V2),
137 USB_ID(BELKIN, RT2870_1),
138 USB_ID(BELKIN, RT2870_2),
139 USB_ID(BEWAN, RT3070),
140 USB_ID(CISCOLINKSYS, AE1000),
141 USB_ID(CISCOLINKSYS, AM10),
142 USB_ID(CISCOLINKSYS2, RT3070),
143 USB_ID(CISCOLINKSYS3, RT3070),
144 USB_ID(CONCEPTRONIC, RT2870_1),
145 USB_ID(CONCEPTRONIC, RT2870_2),
146 USB_ID(CONCEPTRONIC, RT2870_3),
147 USB_ID(CONCEPTRONIC, RT2870_4),
148 USB_ID(CONCEPTRONIC, RT2870_5),
149 USB_ID(CONCEPTRONIC, RT2870_6),
150 USB_ID(CONCEPTRONIC, RT2870_7),
151 USB_ID(CONCEPTRONIC, RT2870_8),
152 USB_ID(CONCEPTRONIC, RT3070_1),
153 USB_ID(CONCEPTRONIC, RT3070_2),
154 USB_ID(CONCEPTRONIC, RT3070_3),
155 USB_ID(COREGA, CGWLUSB300GNM),
156 USB_ID(COREGA, RT2870_1),
157 USB_ID(COREGA, RT2870_2),
158 USB_ID(COREGA, RT2870_3),
159 USB_ID(COREGA, RT3070),
160 USB_ID(CYBERTAN, RT2870),
161 USB_ID(DLINK, RT2870),
162 USB_ID(DLINK, RT3072),
163 USB_ID(DLINK2, DWA130),
164 USB_ID(DLINK2, RT2870_1),
165 USB_ID(DLINK2, RT2870_2),
166 USB_ID(DLINK2, RT3070_1),
167 USB_ID(DLINK2, RT3070_2),
168 USB_ID(DLINK2, RT3070_3),
169 USB_ID(DLINK2, RT3070_4),
170 USB_ID(DLINK2, RT3070_5),
171 USB_ID(DLINK2, RT3072),
172 USB_ID(DLINK2, RT3072_1),
173 USB_ID(DVICO, RT3070),
174 USB_ID(EDIMAX, EW7717),
175 USB_ID(EDIMAX, EW7718),
176 USB_ID(EDIMAX, EW7722UTN),
177 USB_ID(EDIMAX, RT2870_1),
178 USB_ID(ENCORE, RT3070),
179 USB_ID(ENCORE, RT3070_2),
180 USB_ID(ENCORE, RT3070_3),
181 USB_ID(GIGABYTE, GNWB31N),
182 USB_ID(GIGABYTE, GNWB32L),
183 USB_ID(GIGABYTE, RT2870_1),
184 USB_ID(GIGASET, RT3070_1),
185 USB_ID(GIGASET, RT3070_2),
186 USB_ID(GUILLEMOT, HWNU300),
187 USB_ID(HAWKING, HWUN2),
188 USB_ID(HAWKING, RT2870_1),
189 USB_ID(HAWKING, RT2870_2),
190 USB_ID(HAWKING, RT2870_3),
191 USB_ID(HAWKING, RT2870_4),
192 USB_ID(HAWKING, RT2870_5),
193 USB_ID(HAWKING, RT3070),
194 USB_ID(IODATA, RT3072_1),
195 USB_ID(IODATA, RT3072_2),
196 USB_ID(IODATA, RT3072_3),
197 USB_ID(IODATA, RT3072_4),
198 USB_ID(LINKSYS4, RT3070),
199 USB_ID(LINKSYS4, WUSB100),
200 USB_ID(LINKSYS4, WUSB54GC_3),
201 USB_ID(LINKSYS4, WUSB600N),
202 USB_ID(LINKSYS4, WUSB600NV2),
203 USB_ID(LOGITEC, LANW300NU2),
204 USB_ID(LOGITEC, RT2870_1),
205 USB_ID(LOGITEC, RT2870_2),
206 USB_ID(LOGITEC, RT2870_3),
207 USB_ID(LOGITEC, RT3020),
208 USB_ID(MELCO, RT2870_1),
209 USB_ID(MELCO, RT2870_2),
210 USB_ID(MELCO, WLIUCAG300N),
211 USB_ID(MELCO, WLIUCG300N),
212 USB_ID(MELCO, WLIUCG301N),
213 USB_ID(MELCO, WLIUCGN),
214 USB_ID(MELCO, WLIUCGNHP),
215 USB_ID(MELCO, WLIUCGNM),
216 USB_ID(MELCO, WLIUCGNM2T),
217 USB_ID(MOTOROLA4, RT2770),
218 USB_ID(MOTOROLA4, RT3070),
219 USB_ID(MSI, RT3070),
220 USB_ID(MSI, RT3070_2),
221 USB_ID(MSI, RT3070_3),
222 USB_ID(MSI, RT3070_4),
223 USB_ID(MSI, RT3070_5),
224 USB_ID(MSI, RT3070_6),
225 USB_ID(MSI, RT3070_7),
226 USB_ID(MSI, RT3070_8),
227 USB_ID(MSI, RT3070_9),
228 USB_ID(MSI, RT3070_10),
229 USB_ID(MSI, RT3070_11),
230 USB_ID(MSI, RT3070_12),
231 USB_ID(MSI, RT3070_13),
232 USB_ID(MSI, RT3070_14),
233 USB_ID(MSI, RT3070_15),
234 USB_ID(OVISLINK, RT3071),
235 USB_ID(OVISLINK, RT3072),
236 USB_ID(PARA, RT3070),
237 USB_ID(PEGATRON, RT2870),
238 USB_ID(PEGATRON, RT3070),
239 USB_ID(PEGATRON, RT3070_2),
240 USB_ID(PEGATRON, RT3070_3),
241 USB_ID(PEGATRON, RT3072),
242 USB_ID(PHILIPS, RT2870),
243 USB_ID(PLANEX2, GWUS300MINIS),
244 USB_ID(PLANEX2, GWUSMICRO300),
245 USB_ID(PLANEX2, GWUSMICRON),
246 USB_ID(PLANEX2, GWUS300MINIX),
247 USB_ID(PLANEX2, RT3070),
248 USB_ID(QCOM, RT2870),
249 USB_ID(QUANTA, RT3070),
250 USB_ID(RALINK, RT2070),
251 USB_ID(RALINK, RT2770),
252 USB_ID(RALINK, RT2870),
253 USB_ID(RALINK, RT3070),
254 USB_ID(RALINK, RT3071),
255 USB_ID(RALINK, RT3072),
256 USB_ID(RALINK, RT3370),
257 USB_ID(RALINK, RT3572),
258 USB_ID(RALINK, RT8070),
259 USB_ID(SAMSUNG, RT2870_1),
260 USB_ID(SENAO, RT2870_1),
261 USB_ID(SENAO, RT2870_2),
262 USB_ID(SENAO, RT2870_3),
263 USB_ID(SENAO, RT2870_4),
264 USB_ID(SENAO, RT3070),
265 USB_ID(SENAO, RT3071),
266 USB_ID(SENAO, RT3072),
267 USB_ID(SENAO, RT3072_2),
268 USB_ID(SENAO, RT3072_3),
269 USB_ID(SENAO, RT3072_4),
270 USB_ID(SENAO, RT3072_5),
271 USB_ID(SITECOMEU, RT2870_1),
272 USB_ID(SITECOMEU, RT2870_2),
273 USB_ID(SITECOMEU, RT2870_3),
274 USB_ID(SITECOMEU, RT3070_1),
275 USB_ID(SITECOMEU, RT3072_3),
276 USB_ID(SITECOMEU, RT3072_4),
277 USB_ID(SITECOMEU, RT3072_5),
278 USB_ID(SITECOMEU, WL302),
279 USB_ID(SITECOMEU, WL315),
280 USB_ID(SITECOMEU, WL321),
281 USB_ID(SITECOMEU, WL324),
282 USB_ID(SITECOMEU, WL329),
283 USB_ID(SITECOMEU, WL343),
284 USB_ID(SITECOMEU, WL344),
285 USB_ID(SITECOMEU, WL345),
286 USB_ID(SITECOMEU, WL349V4),
287 USB_ID(SITECOMEU, WL608),
288 USB_ID(SITECOMEU, WLA4000),
289 USB_ID(SITECOMEU, WLA5000),
290 USB_ID(SPARKLAN, RT2870_1),
291 USB_ID(SPARKLAN, RT2870_2),
292 USB_ID(SPARKLAN, RT3070),
293 USB_ID(SWEEX2, LW153),
294 USB_ID(SWEEX2, LW303),
295 USB_ID(SWEEX2, LW313),
296 USB_ID(TOSHIBA, RT3070),
297 USB_ID(UMEDIA, RT2870_1),
298 USB_ID(UMEDIA, TEW645UB),
299 USB_ID(ZCOM, RT2870_1),
300 USB_ID(ZCOM, RT2870_2),
301 USB_ID(ZINWELL, RT2870_1),
302 USB_ID(ZINWELL, RT2870_2),
303 USB_ID(ZINWELL, RT3070),
304 USB_ID(ZINWELL, RT3072),
305 USB_ID(ZINWELL, RT3072_2),
306 USB_ID(ZYXEL, NWD2105),
307 USB_ID(ZYXEL, NWD211AN),
308 USB_ID(ZYXEL, RT2870_1),
309 USB_ID(ZYXEL, RT2870_2),
310 USB_ID(ZYXEL, RT3070),
311 };
312
313 static int run_match(device_t, cfdata_t, void *);
314 static void run_attach(device_t, device_t, void *);
315 static int run_detach(device_t, int);
316 static int run_activate(device_t, enum devact);
317
318 CFATTACH_DECL_NEW(run, sizeof(struct run_softc),
319 run_match, run_attach, run_detach, run_activate);
320
321 static int run_alloc_rx_ring(struct run_softc *);
322 static void run_free_rx_ring(struct run_softc *);
323 static int run_alloc_tx_ring(struct run_softc *, int);
324 static void run_free_tx_ring(struct run_softc *, int);
325 static int run_load_microcode(struct run_softc *);
326 static int run_reset(struct run_softc *);
327 static int run_read(struct run_softc *, uint16_t, uint32_t *);
328 static int run_read_region_1(struct run_softc *, uint16_t,
329 uint8_t *, int);
330 static int run_write_2(struct run_softc *, uint16_t, uint16_t);
331 static int run_write(struct run_softc *, uint16_t, uint32_t);
332 static int run_write_region_1(struct run_softc *, uint16_t,
333 const uint8_t *, int);
334 static int run_set_region_4(struct run_softc *, uint16_t,
335 uint32_t, int);
336 static int run_efuse_read_2(struct run_softc *, uint16_t,
337 uint16_t *);
338 static int run_eeprom_read_2(struct run_softc *, uint16_t,
339 uint16_t *);
340 static int run_rt2870_rf_write(struct run_softc *, uint8_t,
341 uint32_t);
342 static int run_rt3070_rf_read(struct run_softc *, uint8_t,
343 uint8_t *);
344 static int run_rt3070_rf_write(struct run_softc *, uint8_t,
345 uint8_t);
346 static int run_bbp_read(struct run_softc *, uint8_t, uint8_t *);
347 static int run_bbp_write(struct run_softc *, uint8_t, uint8_t);
348 static int run_mcu_cmd(struct run_softc *, uint8_t, uint16_t);
349 static const char * run_get_rf(int);
350 static int run_read_eeprom(struct run_softc *);
351 static struct ieee80211_node *
352 run_node_alloc(struct ieee80211_node_table *);
353 static int run_media_change(struct ifnet *);
354 static void run_next_scan(void *);
355 static void run_task(void *);
356 static void run_do_async(struct run_softc *,
357 void (*)(struct run_softc *, void *), void *, int);
358 static int run_newstate(struct ieee80211com *,
359 enum ieee80211_state, int);
360 static void run_newstate_cb(struct run_softc *, void *);
361 static int run_updateedca(struct ieee80211com *);
362 static void run_updateedca_cb(struct run_softc *, void *);
363 #ifdef RUN_HWCRYPTO
364 static int run_set_key(struct ieee80211com *,
365 const struct ieee80211_key *, const uint8_t *);
366 static void run_set_key_cb(struct run_softc *, void *);
367 static int run_delete_key(struct ieee80211com *,
368 const struct ieee80211_key *);
369 static void run_delete_key_cb(struct run_softc *, void *);
370 #endif
371 static void run_calibrate_to(void *);
372 static void run_calibrate_cb(struct run_softc *, void *);
373 static void run_newassoc(struct ieee80211_node *, int);
374 static void run_rx_frame(struct run_softc *, uint8_t *, int);
375 static void run_rxeof(usbd_xfer_handle, usbd_private_handle,
376 usbd_status);
377 static void run_txeof(usbd_xfer_handle, usbd_private_handle,
378 usbd_status);
379 static int run_tx(struct run_softc *, struct mbuf *,
380 struct ieee80211_node *);
381 static void run_start(struct ifnet *);
382 static void run_watchdog(struct ifnet *);
383 static int run_ioctl(struct ifnet *, u_long, void *);
384 static void run_select_chan_group(struct run_softc *, int);
385 static void run_set_agc(struct run_softc *, uint8_t);
386 static void run_set_rx_antenna(struct run_softc *, int);
387 static void run_rt2870_set_chan(struct run_softc *, u_int);
388 static void run_rt3070_set_chan(struct run_softc *, u_int);
389 static void run_rt3572_set_chan(struct run_softc *, u_int);
390 static int run_set_chan(struct run_softc *,
391 struct ieee80211_channel *);
392 static void run_enable_tsf_sync(struct run_softc *);
393 static void run_enable_mrr(struct run_softc *);
394 static void run_set_txpreamble(struct run_softc *);
395 static void run_set_basicrates(struct run_softc *);
396 static void run_set_leds(struct run_softc *, uint16_t);
397 static void run_set_bssid(struct run_softc *, const uint8_t *);
398 static void run_set_macaddr(struct run_softc *, const uint8_t *);
399 static void run_updateslot(struct ifnet *);
400 static void run_updateslot_cb(struct run_softc *, void *);
401 static int8_t run_rssi2dbm(struct run_softc *, uint8_t, uint8_t);
402 static int run_bbp_init(struct run_softc *);
403 static int run_rt3070_rf_init(struct run_softc *);
404 static int run_rt3070_filter_calib(struct run_softc *, uint8_t,
405 uint8_t, uint8_t *);
406 static void run_rt3070_rf_setup(struct run_softc *);
407 static int run_txrx_enable(struct run_softc *);
408 static int run_init(struct ifnet *);
409 static void run_stop(struct ifnet *, int);
410 #ifndef IEEE80211_STA_ONLY
411 static int run_setup_beacon(struct run_softc *);
412 #endif
413
414 static const struct {
415 uint32_t reg;
416 uint32_t val;
417 } rt2870_def_mac[] = {
418 RT2870_DEF_MAC
419 };
420
421 static const struct {
422 uint8_t reg;
423 uint8_t val;
424 } rt2860_def_bbp[] = {
425 RT2860_DEF_BBP
426 };
427
428 static const struct rfprog {
429 uint8_t chan;
430 uint32_t r1, r2, r3, r4;
431 } rt2860_rf2850[] = {
432 RT2860_RF2850
433 };
434
435 static const struct {
436 uint8_t n, r, k;
437 } rt3070_freqs[] = {
438 RT3070_RF3052
439 };
440
441 static const struct {
442 uint8_t reg;
443 uint8_t val;
444 } rt3070_def_rf[] = {
445 RT3070_DEF_RF
446 }, rt3572_def_rf[] = {
447 RT3572_DEF_RF
448 };
449
450 static int
451 firmware_load(const char *dname, const char *iname, uint8_t **ucodep,
452 size_t *sizep)
453 {
454 firmware_handle_t fh;
455 int error;
456
457 if ((error = firmware_open(dname, iname, &fh)) != 0)
458 return (error);
459 *sizep = firmware_get_size(fh);
460 if ((*ucodep = firmware_malloc(*sizep)) == NULL) {
461 firmware_close(fh);
462 return (ENOMEM);
463 }
464 if ((error = firmware_read(fh, 0, *ucodep, *sizep)) != 0)
465 firmware_free(*ucodep, *sizep);
466 firmware_close(fh);
467
468 return (error);
469 }
470
471 static int
472 run_match(device_t parent, cfdata_t match, void *aux)
473 {
474 struct usb_attach_arg *uaa = aux;
475
476 return (usb_lookup(run_devs, uaa->vendor, uaa->product) != NULL) ?
477 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
478 }
479
480 static void
481 run_attach(device_t parent, device_t self, void *aux)
482 {
483 struct run_softc *sc = device_private(self);
484 struct usb_attach_arg *uaa = aux;
485 struct ieee80211com *ic = &sc->sc_ic;
486 struct ifnet *ifp = &sc->sc_if;
487 usb_interface_descriptor_t *id;
488 usb_endpoint_descriptor_t *ed;
489 char *devinfop;
490 int i, nrx, ntx, ntries, error;
491 uint32_t ver;
492
493 aprint_naive("\n");
494 aprint_normal("\n");
495
496 sc->sc_dev = self;
497 sc->sc_udev = uaa->device;
498
499 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0);
500 aprint_normal_dev(sc->sc_dev, "%s\n", devinfop);
501 usbd_devinfo_free(devinfop);
502
503 if (usbd_set_config_no(sc->sc_udev, 1, 0) != 0) {
504 aprint_error_dev(sc->sc_dev,
505 "could not set configuration no\n");
506 return;
507 }
508
509 /* get the first interface handle */
510 error = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface);
511 if (error != 0) {
512 aprint_error_dev(sc->sc_dev,
513 "could not get interface handle\n");
514 return;
515 }
516
517 /*
518 * Find all bulk endpoints. There are 7 bulk endpoints: 1 for RX
519 * and 6 for TX (4 EDCAs + HCCA + Prio).
520 * Update 03-14-2009: some devices like the Planex GW-US300MiniS
521 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
522 */
523 nrx = ntx = 0;
524 id = usbd_get_interface_descriptor(sc->sc_iface);
525 for (i = 0; i < id->bNumEndpoints; i++) {
526 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
527 if (ed == NULL || UE_GET_XFERTYPE(ed->bmAttributes) != UE_BULK)
528 continue;
529
530 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) {
531 sc->rxq.pipe_no = ed->bEndpointAddress;
532 nrx++;
533 } else if (ntx < 4) {
534 sc->txq[ntx].pipe_no = ed->bEndpointAddress;
535 ntx++;
536 }
537 }
538 /* make sure we've got them all */
539 if (nrx < 1 || ntx < 4) {
540 aprint_error_dev(sc->sc_dev, "missing endpoint\n");
541 return;
542 }
543
544 usb_init_task(&sc->sc_task, run_task, sc);
545 callout_init(&sc->scan_to, 0);
546 callout_setfunc(&sc->scan_to, run_next_scan, sc);
547 callout_init(&sc->calib_to, 0);
548 callout_setfunc(&sc->calib_to, run_calibrate_to, sc);
549
550 sc->amrr.amrr_min_success_threshold = 1;
551 sc->amrr.amrr_max_success_threshold = 10;
552
553 /* wait for the chip to settle */
554 for (ntries = 0; ntries < 100; ntries++) {
555 if (run_read(sc, RT2860_ASIC_VER_ID, &ver) != 0)
556 return;
557 if (ver != 0 && ver != 0xffffffff)
558 break;
559 DELAY(10);
560 }
561 if (ntries == 100) {
562 aprint_error_dev(sc->sc_dev,
563 "timeout waiting for NIC to initialize\n");
564 return;
565 }
566 sc->mac_ver = ver >> 16;
567 sc->mac_rev = ver & 0xffff;
568
569 /* retrieve RF rev. no and various other things from EEPROM */
570 run_read_eeprom(sc);
571
572 aprint_error_dev(sc->sc_dev,
573 "MAC/BBP RT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), address %s\n",
574 sc->mac_ver, sc->mac_rev, run_get_rf(sc->rf_rev), sc->ntxchains,
575 sc->nrxchains, ether_sprintf(ic->ic_myaddr));
576
577 ic->ic_ifp = ifp;
578 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
579 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
580 ic->ic_state = IEEE80211_S_INIT;
581
582 /* set device capabilities */
583 ic->ic_caps =
584 IEEE80211_C_MONITOR | /* monitor mode supported */
585 #ifndef IEEE80211_STA_ONLY
586 IEEE80211_C_IBSS | /* IBSS mode supported */
587 IEEE80211_C_HOSTAP | /* HostAP mode supported */
588 #endif
589 IEEE80211_C_SHPREAMBLE | /* short preamble supported */
590 IEEE80211_C_SHSLOT | /* short slot time supported */
591 #ifdef RUN_HWCRYPTO
592 IEEE80211_C_WEP | /* WEP */
593 IEEE80211_C_TKIP | /* TKIP */
594 IEEE80211_C_AES_CCM | /* AES CCMP */
595 IEEE80211_C_TKIPMIC | /* TKIPMIC */
596 #endif
597 IEEE80211_C_WME | /* WME */
598 IEEE80211_C_WPA; /* WPA/RSN */
599
600 if (sc->rf_rev == RT2860_RF_2750 ||
601 sc->rf_rev == RT2860_RF_2850 ||
602 sc->rf_rev == RT3070_RF_3052) {
603 /* set supported .11a rates */
604 ic->ic_sup_rates[IEEE80211_MODE_11A] =
605 ieee80211_std_rateset_11a;
606
607 /* set supported .11a channels */
608 for (i = 14; i < (int)__arraycount(rt2860_rf2850); i++) {
609 uint8_t chan = rt2860_rf2850[i].chan;
610 ic->ic_channels[chan].ic_freq =
611 ieee80211_ieee2mhz(chan, IEEE80211_CHAN_5GHZ);
612 ic->ic_channels[chan].ic_flags = IEEE80211_CHAN_A;
613 }
614 }
615
616 /* set supported .11b and .11g rates */
617 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b;
618 ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g;
619
620 /* set supported .11b and .11g channels (1 through 14) */
621 for (i = 1; i <= 14; i++) {
622 ic->ic_channels[i].ic_freq =
623 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
624 ic->ic_channels[i].ic_flags =
625 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
626 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
627 }
628
629 ifp->if_softc = sc;
630 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
631 ifp->if_init = run_init;
632 ifp->if_ioctl = run_ioctl;
633 ifp->if_start = run_start;
634 ifp->if_watchdog = run_watchdog;
635 IFQ_SET_READY(&ifp->if_snd);
636 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ);
637
638 if_attach(ifp);
639 ieee80211_ifattach(ic);
640 ic->ic_node_alloc = run_node_alloc;
641 ic->ic_newassoc = run_newassoc;
642 ic->ic_updateslot = run_updateslot;
643 ic->ic_wme.wme_update = run_updateedca;
644 #ifdef RUN_HWCRYPTO
645 ic->ic_crypto.cs_key_set = run_set_key;
646 ic->ic_crypto.cs_key_delete = run_delete_key;
647 #endif
648 /* override state transition machine */
649 sc->sc_newstate = ic->ic_newstate;
650 ic->ic_newstate = run_newstate;
651 ieee80211_media_init(ic, run_media_change, ieee80211_media_status);
652
653 bpf_attach2(ifp, DLT_IEEE802_11_RADIO,
654 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
655 &sc->sc_drvbpf);
656
657 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu);
658 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
659 sc->sc_rxtap.wr_ihdr.it_present = htole32(RUN_RX_RADIOTAP_PRESENT);
660
661 sc->sc_txtap_len = sizeof(sc->sc_txtapu);
662 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
663 sc->sc_txtap.wt_ihdr.it_present = htole32(RUN_TX_RADIOTAP_PRESENT);
664
665 ieee80211_announce(ic);
666
667 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
668 }
669
670 static int
671 run_detach(device_t self, int flags)
672 {
673 struct run_softc *sc = device_private(self);
674 struct ifnet *ifp = &sc->sc_if;
675 struct ieee80211com *ic = &sc->sc_ic;
676 int s;
677
678 if (ifp->if_softc == NULL)
679 return (0);
680
681 s = splnet();
682
683 sc->sc_flags |= RUN_DETACHING;
684
685 if (ifp->if_flags & IFF_RUNNING) {
686 usb_rem_task(sc->sc_udev, &sc->sc_task);
687 run_stop(ifp, 0);
688 }
689
690 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
691 bpf_detach(ifp);
692 ieee80211_ifdetach(ic);
693 if_detach(ifp);
694
695 splx(s);
696
697 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
698
699 callout_destroy(&sc->scan_to);
700 callout_destroy(&sc->calib_to);
701
702 return (0);
703 }
704
705 static int
706 run_activate(device_t self, enum devact act)
707 {
708 struct run_softc *sc = device_private(self);
709
710 switch (act) {
711 case DVACT_DEACTIVATE:
712 if_deactivate(sc->sc_ic.ic_ifp);
713 return (0);
714 default:
715 return (EOPNOTSUPP);
716 }
717 }
718
719 static int
720 run_alloc_rx_ring(struct run_softc *sc)
721 {
722 struct run_rx_ring *rxq = &sc->rxq;
723 int i, error;
724
725 error = usbd_open_pipe(sc->sc_iface, rxq->pipe_no, 0, &rxq->pipeh);
726 if (error != 0)
727 goto fail;
728
729 for (i = 0; i < RUN_RX_RING_COUNT; i++) {
730 struct run_rx_data *data = &rxq->data[i];
731
732 data->sc = sc; /* backpointer for callbacks */
733
734 data->xfer = usbd_alloc_xfer(sc->sc_udev);
735 if (data->xfer == NULL) {
736 error = ENOMEM;
737 goto fail;
738 }
739 data->buf = usbd_alloc_buffer(data->xfer, RUN_MAX_RXSZ);
740 if (data->buf == NULL) {
741 error = ENOMEM;
742 goto fail;
743 }
744 }
745 if (error != 0)
746 fail: run_free_rx_ring(sc);
747 return (error);
748 }
749
750 static void
751 run_free_rx_ring(struct run_softc *sc)
752 {
753 struct run_rx_ring *rxq = &sc->rxq;
754 int i;
755
756 if (rxq->pipeh != NULL) {
757 usbd_abort_pipe(rxq->pipeh);
758 usbd_close_pipe(rxq->pipeh);
759 rxq->pipeh = NULL;
760 }
761 for (i = 0; i < RUN_RX_RING_COUNT; i++) {
762 if (rxq->data[i].xfer != NULL)
763 usbd_free_xfer(rxq->data[i].xfer);
764 rxq->data[i].xfer = NULL;
765 }
766 }
767
768 static int
769 run_alloc_tx_ring(struct run_softc *sc, int qid)
770 {
771 struct run_tx_ring *txq = &sc->txq[qid];
772 int i, error;
773
774 txq->cur = txq->queued = 0;
775
776 error = usbd_open_pipe(sc->sc_iface, txq->pipe_no, 0, &txq->pipeh);
777 if (error != 0)
778 goto fail;
779
780 for (i = 0; i < RUN_TX_RING_COUNT; i++) {
781 struct run_tx_data *data = &txq->data[i];
782
783 data->sc = sc; /* backpointer for callbacks */
784 data->qid = qid;
785
786 data->xfer = usbd_alloc_xfer(sc->sc_udev);
787 if (data->xfer == NULL) {
788 error = ENOMEM;
789 goto fail;
790 }
791 data->buf = usbd_alloc_buffer(data->xfer, RUN_MAX_TXSZ);
792 if (data->buf == NULL) {
793 error = ENOMEM;
794 goto fail;
795 }
796 /* zeroize the TXD + TXWI part */
797 memset(data->buf, 0, sizeof (struct rt2870_txd) +
798 sizeof (struct rt2860_txwi));
799 }
800 if (error != 0)
801 fail: run_free_tx_ring(sc, qid);
802 return (error);
803 }
804
805 static void
806 run_free_tx_ring(struct run_softc *sc, int qid)
807 {
808 struct run_tx_ring *txq = &sc->txq[qid];
809 int i;
810
811 if (txq->pipeh != NULL) {
812 usbd_abort_pipe(txq->pipeh);
813 usbd_close_pipe(txq->pipeh);
814 txq->pipeh = NULL;
815 }
816 for (i = 0; i < RUN_TX_RING_COUNT; i++) {
817 if (txq->data[i].xfer != NULL)
818 usbd_free_xfer(txq->data[i].xfer);
819 txq->data[i].xfer = NULL;
820 }
821 }
822
823 static int
824 run_load_microcode(struct run_softc *sc)
825 {
826 usb_device_request_t req;
827 const char *fwname;
828 u_char *ucode;
829 size_t size;
830 uint32_t tmp;
831 int ntries, error;
832
833 /* RT3071/RT3072 use a different firmware */
834 if (sc->mac_ver != 0x2860 &&
835 sc->mac_ver != 0x2872 &&
836 sc->mac_ver != 0x3070)
837 fwname = "run-rt3071";
838 else
839 fwname = "run-rt2870";
840
841 if ((error = firmware_load("run", fwname, &ucode, &size)) != 0) {
842 aprint_error_dev(sc->sc_dev,
843 "error %d, could not read firmware %s\n", error, fwname);
844 return (error);
845 }
846 if (size != 4096) {
847 aprint_error_dev(sc->sc_dev,
848 "invalid firmware size (should be 4KB)\n");
849 firmware_free(ucode, size);
850 return (EINVAL);
851 }
852
853 run_read(sc, RT2860_ASIC_VER_ID, &tmp);
854 /* write microcode image */
855 run_write_region_1(sc, RT2870_FW_BASE, ucode, size);
856 firmware_free(ucode, size);
857 run_write(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff);
858 run_write(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff);
859
860 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
861 req.bRequest = RT2870_RESET;
862 USETW(req.wValue, 8);
863 USETW(req.wIndex, 0);
864 USETW(req.wLength, 0);
865 if ((error = usbd_do_request(sc->sc_udev, &req, NULL)) != 0)
866 return (error);
867
868 usbd_delay_ms(sc->sc_udev, 10);
869 run_write(sc, RT2860_H2M_MAILBOX, 0);
870 if ((error = run_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0)) != 0)
871 return (error);
872
873 /* wait until microcontroller is ready */
874 for (ntries = 0; ntries < 1000; ntries++) {
875 if ((error = run_read(sc, RT2860_SYS_CTRL, &tmp)) != 0)
876 return (error);
877 if (tmp & RT2860_MCU_READY)
878 break;
879 DELAY(1000);
880 }
881 if (ntries == 1000) {
882 aprint_error_dev(sc->sc_dev,
883 "timeout waiting for MCU to initialize\n");
884 return (ETIMEDOUT);
885 }
886
887 sc->sc_flags |= RUN_FWLOADED;
888
889 DPRINTF(("microcode successfully loaded after %d tries\n", ntries));
890 return (0);
891 }
892
893 static int
894 run_reset(struct run_softc *sc)
895 {
896 usb_device_request_t req;
897
898 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
899 req.bRequest = RT2870_RESET;
900 USETW(req.wValue, 1);
901 USETW(req.wIndex, 0);
902 USETW(req.wLength, 0);
903 return usbd_do_request(sc->sc_udev, &req, NULL);
904 }
905
906 static int
907 run_read(struct run_softc *sc, uint16_t reg, uint32_t *val)
908 {
909 uint32_t tmp;
910 int error;
911
912 error = run_read_region_1(sc, reg, (uint8_t *)&tmp, sizeof tmp);
913 if (error == 0)
914 *val = le32toh(tmp);
915 else
916 *val = 0xffffffff;
917 return (error);
918 }
919
920 static int
921 run_read_region_1(struct run_softc *sc, uint16_t reg, uint8_t *buf, int len)
922 {
923 usb_device_request_t req;
924
925 req.bmRequestType = UT_READ_VENDOR_DEVICE;
926 req.bRequest = RT2870_READ_REGION_1;
927 USETW(req.wValue, 0);
928 USETW(req.wIndex, reg);
929 USETW(req.wLength, len);
930 return usbd_do_request(sc->sc_udev, &req, buf);
931 }
932
933 static int
934 run_write_2(struct run_softc *sc, uint16_t reg, uint16_t val)
935 {
936 usb_device_request_t req;
937
938 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
939 req.bRequest = RT2870_WRITE_2;
940 USETW(req.wValue, val);
941 USETW(req.wIndex, reg);
942 USETW(req.wLength, 0);
943 return usbd_do_request(sc->sc_udev, &req, NULL);
944 }
945
946 static int
947 run_write(struct run_softc *sc, uint16_t reg, uint32_t val)
948 {
949 int error;
950
951 if ((error = run_write_2(sc, reg, val & 0xffff)) == 0)
952 error = run_write_2(sc, reg + 2, val >> 16);
953 return (error);
954 }
955
956 static int
957 run_write_region_1(struct run_softc *sc, uint16_t reg, const uint8_t *buf,
958 int len)
959 {
960 #if 1
961 int i, error = 0;
962 /*
963 * NB: the WRITE_REGION_1 command is not stable on RT2860.
964 * We thus issue multiple WRITE_2 commands instead.
965 */
966 KASSERT((len & 1) == 0);
967 for (i = 0; i < len && error == 0; i += 2)
968 error = run_write_2(sc, reg + i, buf[i] | buf[i + 1] << 8);
969 return (error);
970 #else
971 usb_device_request_t req;
972
973 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
974 req.bRequest = RT2870_WRITE_REGION_1;
975 USETW(req.wValue, 0);
976 USETW(req.wIndex, reg);
977 USETW(req.wLength, len);
978 return usbd_do_request(sc->sc_udev, &req, buf);
979 #endif
980 }
981
982 static int
983 run_set_region_4(struct run_softc *sc, uint16_t reg, uint32_t val, int count)
984 {
985 int error = 0;
986
987 for (; count > 0 && error == 0; count--, reg += 4)
988 error = run_write(sc, reg, val);
989 return (error);
990 }
991
992 /* Read 16-bit from eFUSE ROM (RT3070 only.) */
993 static int
994 run_efuse_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
995 {
996 uint32_t tmp;
997 uint16_t reg;
998 int error, ntries;
999
1000 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1001 return (error);
1002
1003 addr *= 2;
1004 /*-
1005 * Read one 16-byte block into registers EFUSE_DATA[0-3]:
1006 * DATA0: F E D C
1007 * DATA1: B A 9 8
1008 * DATA2: 7 6 5 4
1009 * DATA3: 3 2 1 0
1010 */
1011 tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK);
1012 tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK;
1013 run_write(sc, RT3070_EFUSE_CTRL, tmp);
1014 for (ntries = 0; ntries < 100; ntries++) {
1015 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1016 return (error);
1017 if (!(tmp & RT3070_EFSROM_KICK))
1018 break;
1019 DELAY(2);
1020 }
1021 if (ntries == 100)
1022 return (ETIMEDOUT);
1023
1024 if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) {
1025 *val = 0xffff; /* address not found */
1026 return (0);
1027 }
1028 /* determine to which 32-bit register our 16-bit word belongs */
1029 reg = RT3070_EFUSE_DATA3 - (addr & 0xc);
1030 if ((error = run_read(sc, reg, &tmp)) != 0)
1031 return (error);
1032
1033 *val = (addr & 2) ? tmp >> 16 : tmp & 0xffff;
1034 return (0);
1035 }
1036
1037 static int
1038 run_eeprom_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
1039 {
1040 usb_device_request_t req;
1041 uint16_t tmp;
1042 int error;
1043
1044 addr *= 2;
1045 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1046 req.bRequest = RT2870_EEPROM_READ;
1047 USETW(req.wValue, 0);
1048 USETW(req.wIndex, addr);
1049 USETW(req.wLength, sizeof tmp);
1050 error = usbd_do_request(sc->sc_udev, &req, &tmp);
1051 if (error == 0)
1052 *val = le16toh(tmp);
1053 else
1054 *val = 0xffff;
1055 return (error);
1056 }
1057
1058 static __inline int
1059 run_srom_read(struct run_softc *sc, uint16_t addr, uint16_t *val)
1060 {
1061
1062 /* either eFUSE ROM or EEPROM */
1063 return sc->sc_srom_read(sc, addr, val);
1064 }
1065
1066 static int
1067 run_rt2870_rf_write(struct run_softc *sc, uint8_t reg, uint32_t val)
1068 {
1069 uint32_t tmp;
1070 int error, ntries;
1071
1072 for (ntries = 0; ntries < 10; ntries++) {
1073 if ((error = run_read(sc, RT2860_RF_CSR_CFG0, &tmp)) != 0)
1074 return (error);
1075 if (!(tmp & RT2860_RF_REG_CTRL))
1076 break;
1077 }
1078 if (ntries == 10)
1079 return (ETIMEDOUT);
1080
1081 /* RF registers are 24-bit on the RT2860 */
1082 tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT |
1083 (val & 0x3fffff) << 2 | (reg & 3);
1084 return run_write(sc, RT2860_RF_CSR_CFG0, tmp);
1085 }
1086
1087 static int
1088 run_rt3070_rf_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
1089 {
1090 uint32_t tmp;
1091 int error, ntries;
1092
1093 for (ntries = 0; ntries < 100; ntries++) {
1094 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1095 return (error);
1096 if (!(tmp & RT3070_RF_KICK))
1097 break;
1098 }
1099 if (ntries == 100)
1100 return (ETIMEDOUT);
1101
1102 tmp = RT3070_RF_KICK | reg << 8;
1103 if ((error = run_write(sc, RT3070_RF_CSR_CFG, tmp)) != 0)
1104 return (error);
1105
1106 for (ntries = 0; ntries < 100; ntries++) {
1107 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1108 return (error);
1109 if (!(tmp & RT3070_RF_KICK))
1110 break;
1111 }
1112 if (ntries == 100)
1113 return (ETIMEDOUT);
1114
1115 *val = tmp & 0xff;
1116 return (0);
1117 }
1118
1119 static int
1120 run_rt3070_rf_write(struct run_softc *sc, uint8_t reg, uint8_t val)
1121 {
1122 uint32_t tmp;
1123 int error, ntries;
1124
1125 for (ntries = 0; ntries < 10; ntries++) {
1126 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1127 return (error);
1128 if (!(tmp & RT3070_RF_KICK))
1129 break;
1130 }
1131 if (ntries == 10)
1132 return (ETIMEDOUT);
1133
1134 tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val;
1135 return run_write(sc, RT3070_RF_CSR_CFG, tmp);
1136 }
1137
1138 static int
1139 run_bbp_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
1140 {
1141 uint32_t tmp;
1142 int ntries, error;
1143
1144 for (ntries = 0; ntries < 10; ntries++) {
1145 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1146 return (error);
1147 if (!(tmp & RT2860_BBP_CSR_KICK))
1148 break;
1149 }
1150 if (ntries == 10)
1151 return (ETIMEDOUT);
1152
1153 tmp = RT2860_BBP_CSR_READ | RT2860_BBP_CSR_KICK | reg << 8;
1154 if ((error = run_write(sc, RT2860_BBP_CSR_CFG, tmp)) != 0)
1155 return (error);
1156
1157 for (ntries = 0; ntries < 10; ntries++) {
1158 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1159 return (error);
1160 if (!(tmp & RT2860_BBP_CSR_KICK))
1161 break;
1162 }
1163 if (ntries == 10)
1164 return (ETIMEDOUT);
1165
1166 *val = tmp & 0xff;
1167 return (0);
1168 }
1169
1170 static int
1171 run_bbp_write(struct run_softc *sc, uint8_t reg, uint8_t val)
1172 {
1173 uint32_t tmp;
1174 int ntries, error;
1175
1176 for (ntries = 0; ntries < 10; ntries++) {
1177 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1178 return (error);
1179 if (!(tmp & RT2860_BBP_CSR_KICK))
1180 break;
1181 }
1182 if (ntries == 10)
1183 return (ETIMEDOUT);
1184
1185 tmp = RT2860_BBP_CSR_KICK | reg << 8 | val;
1186 return run_write(sc, RT2860_BBP_CSR_CFG, tmp);
1187 }
1188
1189 /*
1190 * Send a command to the 8051 microcontroller unit.
1191 */
1192 static int
1193 run_mcu_cmd(struct run_softc *sc, uint8_t cmd, uint16_t arg)
1194 {
1195 uint32_t tmp;
1196 int error, ntries;
1197
1198 for (ntries = 0; ntries < 100; ntries++) {
1199 if ((error = run_read(sc, RT2860_H2M_MAILBOX, &tmp)) != 0)
1200 return (error);
1201 if (!(tmp & RT2860_H2M_BUSY))
1202 break;
1203 }
1204 if (ntries == 100)
1205 return (ETIMEDOUT);
1206
1207 tmp = RT2860_H2M_BUSY | RT2860_TOKEN_NO_INTR << 16 | arg;
1208 if ((error = run_write(sc, RT2860_H2M_MAILBOX, tmp)) == 0)
1209 error = run_write(sc, RT2860_HOST_CMD, cmd);
1210 return (error);
1211 }
1212
1213 /*
1214 * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word.
1215 * Used to adjust per-rate Tx power registers.
1216 */
1217 static __inline uint32_t
1218 b4inc(uint32_t b32, int8_t delta)
1219 {
1220 int8_t i, b4;
1221
1222 for (i = 0; i < 8; i++) {
1223 b4 = b32 & 0xf;
1224 b4 += delta;
1225 if (b4 < 0)
1226 b4 = 0;
1227 else if (b4 > 0xf)
1228 b4 = 0xf;
1229 b32 = b32 >> 4 | b4 << 28;
1230 }
1231 return (b32);
1232 }
1233
1234 static const char *
1235 run_get_rf(int rev)
1236 {
1237 switch (rev) {
1238 case RT2860_RF_2820: return "RT2820";
1239 case RT2860_RF_2850: return "RT2850";
1240 case RT2860_RF_2720: return "RT2720";
1241 case RT2860_RF_2750: return "RT2750";
1242 case RT3070_RF_3020: return "RT3020";
1243 case RT3070_RF_2020: return "RT2020";
1244 case RT3070_RF_3021: return "RT3021";
1245 case RT3070_RF_3022: return "RT3022";
1246 case RT3070_RF_3052: return "RT3052";
1247 }
1248 return "unknown";
1249 }
1250
1251 static int
1252 run_read_eeprom(struct run_softc *sc)
1253 {
1254 struct ieee80211com *ic = &sc->sc_ic;
1255 int8_t delta_2ghz, delta_5ghz;
1256 uint32_t tmp;
1257 uint16_t val;
1258 int ridx, ant, i;
1259
1260 /* check whether the ROM is eFUSE ROM or EEPROM */
1261 sc->sc_srom_read = run_eeprom_read_2;
1262 if (sc->mac_ver >= 0x3070) {
1263 run_read(sc, RT3070_EFUSE_CTRL, &tmp);
1264 DPRINTF(("EFUSE_CTRL=0x%08x\n", tmp));
1265 if (tmp & RT3070_SEL_EFUSE)
1266 sc->sc_srom_read = run_efuse_read_2;
1267 }
1268
1269 /* read ROM version */
1270 run_srom_read(sc, RT2860_EEPROM_VERSION, &val);
1271 DPRINTF(("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8));
1272
1273 /* read MAC address */
1274 run_srom_read(sc, RT2860_EEPROM_MAC01, &val);
1275 ic->ic_myaddr[0] = val & 0xff;
1276 ic->ic_myaddr[1] = val >> 8;
1277 run_srom_read(sc, RT2860_EEPROM_MAC23, &val);
1278 ic->ic_myaddr[2] = val & 0xff;
1279 ic->ic_myaddr[3] = val >> 8;
1280 run_srom_read(sc, RT2860_EEPROM_MAC45, &val);
1281 ic->ic_myaddr[4] = val & 0xff;
1282 ic->ic_myaddr[5] = val >> 8;
1283
1284 /* read vendor BBP settings */
1285 for (i = 0; i < 10; i++) {
1286 run_srom_read(sc, RT2860_EEPROM_BBP_BASE + i, &val);
1287 sc->bbp[i].val = val & 0xff;
1288 sc->bbp[i].reg = val >> 8;
1289 DPRINTF(("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val));
1290 }
1291 if (sc->mac_ver >= 0x3071) {
1292 /* read vendor RF settings */
1293 for (i = 0; i < 10; i++) {
1294 run_srom_read(sc, RT3071_EEPROM_RF_BASE + i, &val);
1295 sc->rf[i].val = val & 0xff;
1296 sc->rf[i].reg = val >> 8;
1297 DPRINTF(("RF%d=0x%02x\n", sc->rf[i].reg,
1298 sc->rf[i].val));
1299 }
1300 }
1301
1302 /* read RF frequency offset from EEPROM */
1303 run_srom_read(sc, RT2860_EEPROM_FREQ_LEDS, &val);
1304 sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0;
1305 DPRINTF(("EEPROM freq offset %d\n", sc->freq & 0xff));
1306
1307 if ((val >> 8) != 0xff) {
1308 /* read LEDs operating mode */
1309 sc->leds = val >> 8;
1310 run_srom_read(sc, RT2860_EEPROM_LED1, &sc->led[0]);
1311 run_srom_read(sc, RT2860_EEPROM_LED2, &sc->led[1]);
1312 run_srom_read(sc, RT2860_EEPROM_LED3, &sc->led[2]);
1313 } else {
1314 /* broken EEPROM, use default settings */
1315 sc->leds = 0x01;
1316 sc->led[0] = 0x5555;
1317 sc->led[1] = 0x2221;
1318 sc->led[2] = 0x5627; /* differs from RT2860 */
1319 }
1320 DPRINTF(("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n",
1321 sc->leds, sc->led[0], sc->led[1], sc->led[2]));
1322
1323 /* read RF information */
1324 run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val);
1325 if (val == 0xffff) {
1326 DPRINTF(("invalid EEPROM antenna info, using default\n"));
1327 if (sc->mac_ver == 0x3572) {
1328 /* default to RF3052 2T2R */
1329 sc->rf_rev = RT3070_RF_3052;
1330 sc->ntxchains = 2;
1331 sc->nrxchains = 2;
1332 } else if (sc->mac_ver >= 0x3070) {
1333 /* default to RF3020 1T1R */
1334 sc->rf_rev = RT3070_RF_3020;
1335 sc->ntxchains = 1;
1336 sc->nrxchains = 1;
1337 } else {
1338 /* default to RF2820 1T2R */
1339 sc->rf_rev = RT2860_RF_2820;
1340 sc->ntxchains = 1;
1341 sc->nrxchains = 2;
1342 }
1343 } else {
1344 sc->rf_rev = (val >> 8) & 0xf;
1345 sc->ntxchains = (val >> 4) & 0xf;
1346 sc->nrxchains = val & 0xf;
1347 }
1348 DPRINTF(("EEPROM RF rev=0x%02x chains=%dT%dR\n",
1349 sc->rf_rev, sc->ntxchains, sc->nrxchains));
1350
1351 run_srom_read(sc, RT2860_EEPROM_CONFIG, &val);
1352 DPRINTF(("EEPROM CFG 0x%04x\n", val));
1353 /* check if driver should patch the DAC issue */
1354 if ((val >> 8) != 0xff)
1355 sc->patch_dac = (val >> 15) & 1;
1356 if ((val & 0xff) != 0xff) {
1357 sc->ext_5ghz_lna = (val >> 3) & 1;
1358 sc->ext_2ghz_lna = (val >> 2) & 1;
1359 /* check if RF supports automatic Tx access gain control */
1360 sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1;
1361 /* check if we have a hardware radio switch */
1362 sc->rfswitch = val & 1;
1363 }
1364
1365 /* read power settings for 2GHz channels */
1366 for (i = 0; i < 14; i += 2) {
1367 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2, &val);
1368 sc->txpow1[i + 0] = (int8_t)(val & 0xff);
1369 sc->txpow1[i + 1] = (int8_t)(val >> 8);
1370
1371 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2, &val);
1372 sc->txpow2[i + 0] = (int8_t)(val & 0xff);
1373 sc->txpow2[i + 1] = (int8_t)(val >> 8);
1374 }
1375 /* fix broken Tx power entries */
1376 for (i = 0; i < 14; i++) {
1377 if (sc->txpow1[i] < 0 || sc->txpow1[i] > 31)
1378 sc->txpow1[i] = 5;
1379 if (sc->txpow2[i] < 0 || sc->txpow2[i] > 31)
1380 sc->txpow2[i] = 5;
1381 DPRINTF(("chan %d: power1=%d, power2=%d\n",
1382 rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i]));
1383 }
1384 /* read power settings for 5GHz channels */
1385 for (i = 0; i < 40; i += 2) {
1386 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2, &val);
1387 sc->txpow1[i + 14] = (int8_t)(val & 0xff);
1388 sc->txpow1[i + 15] = (int8_t)(val >> 8);
1389
1390 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2, &val);
1391 sc->txpow2[i + 14] = (int8_t)(val & 0xff);
1392 sc->txpow2[i + 15] = (int8_t)(val >> 8);
1393 }
1394 /* fix broken Tx power entries */
1395 for (i = 0; i < 40; i++) {
1396 if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15)
1397 sc->txpow1[14 + i] = 5;
1398 if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15)
1399 sc->txpow2[14 + i] = 5;
1400 DPRINTF(("chan %d: power1=%d, power2=%d\n",
1401 rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i],
1402 sc->txpow2[14 + i]));
1403 }
1404
1405 /* read Tx power compensation for each Tx rate */
1406 run_srom_read(sc, RT2860_EEPROM_DELTAPWR, &val);
1407 delta_2ghz = delta_5ghz = 0;
1408 if ((val & 0xff) != 0xff && (val & 0x80)) {
1409 delta_2ghz = val & 0xf;
1410 if (!(val & 0x40)) /* negative number */
1411 delta_2ghz = -delta_2ghz;
1412 }
1413 val >>= 8;
1414 if ((val & 0xff) != 0xff && (val & 0x80)) {
1415 delta_5ghz = val & 0xf;
1416 if (!(val & 0x40)) /* negative number */
1417 delta_5ghz = -delta_5ghz;
1418 }
1419 DPRINTF(("power compensation=%d (2GHz), %d (5GHz)\n",
1420 delta_2ghz, delta_5ghz));
1421
1422 for (ridx = 0; ridx < 5; ridx++) {
1423 uint32_t reg;
1424
1425 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2, &val);
1426 reg = val;
1427 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1, &val);
1428 reg |= (uint32_t)val << 16;
1429
1430 sc->txpow20mhz[ridx] = reg;
1431 sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz);
1432 sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz);
1433
1434 DPRINTF(("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, "
1435 "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx],
1436 sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]));
1437 }
1438
1439 /* read RSSI offsets and LNA gains from EEPROM */
1440 run_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ, &val);
1441 sc->rssi_2ghz[0] = val & 0xff; /* Ant A */
1442 sc->rssi_2ghz[1] = val >> 8; /* Ant B */
1443 run_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ, &val);
1444 if (sc->mac_ver >= 0x3070) {
1445 /*
1446 * On RT3070 chips (limited to 2 Rx chains), this ROM
1447 * field contains the Tx mixer gain for the 2GHz band.
1448 */
1449 if ((val & 0xff) != 0xff)
1450 sc->txmixgain_2ghz = val & 0x7;
1451 DPRINTF(("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz));
1452 } else {
1453 sc->rssi_2ghz[2] = val & 0xff; /* Ant C */
1454 }
1455 sc->lna[2] = val >> 8; /* channel group 2 */
1456
1457 run_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ, &val);
1458 sc->rssi_5ghz[0] = val & 0xff; /* Ant A */
1459 sc->rssi_5ghz[1] = val >> 8; /* Ant B */
1460 run_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ, &val);
1461 if (sc->mac_ver == 0x3572) {
1462 /*
1463 * On RT3572 chips (limited to 2 Rx chains), this ROM
1464 * field contains the Tx mixer gain for the 5GHz band.
1465 */
1466 if ((val & 0xff) != 0xff)
1467 sc->txmixgain_5ghz = val & 0x7;
1468 DPRINTF(("tx mixer gain=%u (5GHz)\n", sc->txmixgain_5ghz));
1469 } else {
1470 sc->rssi_5ghz[2] = val & 0xff; /* Ant C */
1471 }
1472 sc->lna[3] = val >> 8; /* channel group 3 */
1473
1474 run_srom_read(sc, RT2860_EEPROM_LNA, &val);
1475 sc->lna[0] = val & 0xff; /* channel group 0 */
1476 sc->lna[1] = val >> 8; /* channel group 1 */
1477
1478 /* fix broken 5GHz LNA entries */
1479 if (sc->lna[2] == 0 || sc->lna[2] == 0xff) {
1480 DPRINTF(("invalid LNA for channel group %d\n", 2));
1481 sc->lna[2] = sc->lna[1];
1482 }
1483 if (sc->lna[3] == 0 || sc->lna[3] == 0xff) {
1484 DPRINTF(("invalid LNA for channel group %d\n", 3));
1485 sc->lna[3] = sc->lna[1];
1486 }
1487
1488 /* fix broken RSSI offset entries */
1489 for (ant = 0; ant < 3; ant++) {
1490 if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) {
1491 DPRINTF(("invalid RSSI%d offset: %d (2GHz)\n",
1492 ant + 1, sc->rssi_2ghz[ant]));
1493 sc->rssi_2ghz[ant] = 0;
1494 }
1495 if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) {
1496 DPRINTF(("invalid RSSI%d offset: %d (5GHz)\n",
1497 ant + 1, sc->rssi_5ghz[ant]));
1498 sc->rssi_5ghz[ant] = 0;
1499 }
1500 }
1501 return (0);
1502 }
1503
1504 static struct ieee80211_node *
1505 run_node_alloc(struct ieee80211_node_table *nt)
1506 {
1507 struct run_node *rn =
1508 malloc(sizeof (struct run_node), M_DEVBUF, M_NOWAIT | M_ZERO);
1509 return (rn) ? &rn->ni : NULL;
1510 }
1511
1512 static int
1513 run_media_change(struct ifnet *ifp)
1514 {
1515 struct run_softc *sc = ifp->if_softc;
1516 struct ieee80211com *ic = &sc->sc_ic;
1517 uint8_t rate, ridx;
1518 int error;
1519
1520 error = ieee80211_media_change(ifp);
1521 if (error != ENETRESET)
1522 return (error);
1523
1524 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) {
1525 rate = ic->ic_sup_rates[ic->ic_curmode].
1526 rs_rates[ic->ic_fixed_rate] & IEEE80211_RATE_VAL;
1527 for (ridx = 0; ridx <= RT2860_RIDX_MAX; ridx++)
1528 if (rt2860_rates[ridx].rate == rate)
1529 break;
1530 sc->fixed_ridx = ridx;
1531 }
1532
1533 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING))
1534 run_init(ifp);
1535
1536 return (0);
1537 }
1538
1539 static void
1540 run_next_scan(void *arg)
1541 {
1542 struct run_softc *sc = arg;
1543
1544 if (sc->sc_ic.ic_state == IEEE80211_S_SCAN)
1545 ieee80211_next_scan(&sc->sc_ic);
1546 }
1547
1548 static void
1549 run_task(void *arg)
1550 {
1551 struct run_softc *sc = arg;
1552 struct run_host_cmd_ring *ring = &sc->cmdq;
1553 struct run_host_cmd *cmd;
1554 int s;
1555
1556 /* process host commands */
1557 s = splusb();
1558 while (ring->next != ring->cur) {
1559 cmd = &ring->cmd[ring->next];
1560 splx(s);
1561 /* callback */
1562 cmd->cb(sc, cmd->data);
1563 s = splusb();
1564 ring->queued--;
1565 ring->next = (ring->next + 1) % RUN_HOST_CMD_RING_COUNT;
1566 }
1567 wakeup(ring);
1568 splx(s);
1569 }
1570
1571 static void
1572 run_do_async(struct run_softc *sc, void (*cb)(struct run_softc *, void *),
1573 void *arg, int len)
1574 {
1575 struct run_host_cmd_ring *ring = &sc->cmdq;
1576 struct run_host_cmd *cmd;
1577 int s;
1578
1579 if (sc->sc_flags & RUN_DETACHING)
1580 return;
1581
1582 s = splusb();
1583 cmd = &ring->cmd[ring->cur];
1584 cmd->cb = cb;
1585 KASSERT(len <= sizeof (cmd->data));
1586 memcpy(cmd->data, arg, len);
1587 ring->cur = (ring->cur + 1) % RUN_HOST_CMD_RING_COUNT;
1588
1589 /* if there is no pending command already, schedule a task */
1590 if (++ring->queued == 1)
1591 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER);
1592 splx(s);
1593 }
1594
1595 static int
1596 run_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
1597 {
1598 struct run_softc *sc = ic->ic_ifp->if_softc;
1599 struct run_cmd_newstate cmd;
1600
1601 callout_stop(&sc->scan_to);
1602 callout_stop(&sc->calib_to);
1603
1604 /* do it in a process context */
1605 cmd.state = nstate;
1606 cmd.arg = arg;
1607 run_do_async(sc, run_newstate_cb, &cmd, sizeof cmd);
1608 return (0);
1609 }
1610
1611 static void
1612 run_newstate_cb(struct run_softc *sc, void *arg)
1613 {
1614 struct run_cmd_newstate *cmd = arg;
1615 struct ifnet *ifp = &sc->sc_if;
1616 struct ieee80211com *ic = &sc->sc_ic;
1617 enum ieee80211_state ostate;
1618 struct ieee80211_node *ni;
1619 uint32_t tmp, sta[3];
1620 uint8_t wcid;
1621 int s;
1622
1623 s = splnet();
1624 ostate = ic->ic_state;
1625
1626 if (ostate == IEEE80211_S_RUN) {
1627 /* turn link LED off */
1628 run_set_leds(sc, RT2860_LED_RADIO);
1629 }
1630
1631 switch (cmd->state) {
1632 case IEEE80211_S_INIT:
1633 if (ostate == IEEE80211_S_RUN) {
1634 /* abort TSF synchronization */
1635 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
1636 run_write(sc, RT2860_BCN_TIME_CFG,
1637 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
1638 RT2860_TBTT_TIMER_EN));
1639 }
1640 break;
1641
1642 case IEEE80211_S_SCAN:
1643 run_set_chan(sc, ic->ic_curchan);
1644 callout_schedule(&sc->scan_to, hz / 5);
1645 break;
1646
1647 case IEEE80211_S_AUTH:
1648 case IEEE80211_S_ASSOC:
1649 run_set_chan(sc, ic->ic_curchan);
1650 break;
1651
1652 case IEEE80211_S_RUN:
1653 run_set_chan(sc, ic->ic_curchan);
1654
1655 ni = ic->ic_bss;
1656
1657 if (ic->ic_opmode != IEEE80211_M_MONITOR) {
1658 run_updateslot(ifp);
1659 run_enable_mrr(sc);
1660 run_set_txpreamble(sc);
1661 run_set_basicrates(sc);
1662 run_set_bssid(sc, ni->ni_bssid);
1663 }
1664 #ifndef IEEE80211_STA_ONLY
1665 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1666 ic->ic_opmode == IEEE80211_M_IBSS)
1667 (void)run_setup_beacon(sc);
1668 #endif
1669 if (ic->ic_opmode == IEEE80211_M_STA) {
1670 /* add BSS entry to the WCID table */
1671 wcid = RUN_AID2WCID(ni->ni_associd);
1672 run_write_region_1(sc, RT2860_WCID_ENTRY(wcid),
1673 ni->ni_macaddr, IEEE80211_ADDR_LEN);
1674
1675 /* fake a join to init the tx rate */
1676 run_newassoc(ni, 1);
1677 }
1678 if (ic->ic_opmode != IEEE80211_M_MONITOR) {
1679 run_enable_tsf_sync(sc);
1680
1681 /* clear statistic registers used by AMRR */
1682 run_read_region_1(sc, RT2860_TX_STA_CNT0,
1683 (uint8_t *)sta, sizeof sta);
1684 /* start calibration timer */
1685 callout_schedule(&sc->calib_to, hz);
1686 }
1687
1688 /* turn link LED on */
1689 run_set_leds(sc, RT2860_LED_RADIO |
1690 (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan) ?
1691 RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ));
1692 break;
1693 }
1694 (void)sc->sc_newstate(ic, cmd->state, cmd->arg);
1695 splx(s);
1696 }
1697
1698 static int
1699 run_updateedca(struct ieee80211com *ic)
1700 {
1701
1702 /* do it in a process context */
1703 run_do_async(ic->ic_ifp->if_softc, run_updateedca_cb, NULL, 0);
1704 return (0);
1705 }
1706
1707 /* ARGSUSED */
1708 static void
1709 run_updateedca_cb(struct run_softc *sc, void *arg)
1710 {
1711 struct ieee80211com *ic = &sc->sc_ic;
1712 int s, aci;
1713
1714 s = splnet();
1715 /* update MAC TX configuration registers */
1716 for (aci = 0; aci < WME_NUM_AC; aci++) {
1717 run_write(sc, RT2860_EDCA_AC_CFG(aci),
1718 ic->ic_wme.wme_params[aci].wmep_logcwmax << 16 |
1719 ic->ic_wme.wme_params[aci].wmep_logcwmin << 12 |
1720 ic->ic_wme.wme_params[aci].wmep_aifsn << 8 |
1721 ic->ic_wme.wme_params[aci].wmep_txopLimit);
1722 }
1723
1724 /* update SCH/DMA registers too */
1725 run_write(sc, RT2860_WMM_AIFSN_CFG,
1726 ic->ic_wme.wme_params[WME_AC_VO].wmep_aifsn << 12 |
1727 ic->ic_wme.wme_params[WME_AC_VI].wmep_aifsn << 8 |
1728 ic->ic_wme.wme_params[WME_AC_BK].wmep_aifsn << 4 |
1729 ic->ic_wme.wme_params[WME_AC_BE].wmep_aifsn);
1730 run_write(sc, RT2860_WMM_CWMIN_CFG,
1731 ic->ic_wme.wme_params[WME_AC_VO].wmep_logcwmin << 12 |
1732 ic->ic_wme.wme_params[WME_AC_VI].wmep_logcwmin << 8 |
1733 ic->ic_wme.wme_params[WME_AC_BK].wmep_logcwmin << 4 |
1734 ic->ic_wme.wme_params[WME_AC_BE].wmep_logcwmin);
1735 run_write(sc, RT2860_WMM_CWMAX_CFG,
1736 ic->ic_wme.wme_params[WME_AC_VO].wmep_logcwmax << 12 |
1737 ic->ic_wme.wme_params[WME_AC_VI].wmep_logcwmax << 8 |
1738 ic->ic_wme.wme_params[WME_AC_BK].wmep_logcwmax << 4 |
1739 ic->ic_wme.wme_params[WME_AC_BE].wmep_logcwmax);
1740 run_write(sc, RT2860_WMM_TXOP0_CFG,
1741 ic->ic_wme.wme_params[WME_AC_BK].wmep_txopLimit << 16 |
1742 ic->ic_wme.wme_params[WME_AC_BE].wmep_txopLimit);
1743 run_write(sc, RT2860_WMM_TXOP1_CFG,
1744 ic->ic_wme.wme_params[WME_AC_VO].wmep_txopLimit << 16 |
1745 ic->ic_wme.wme_params[WME_AC_VI].wmep_txopLimit);
1746 splx(s);
1747 }
1748
1749 #ifdef RUN_HWCRYPTO
1750 static int
1751 run_set_key(struct ieee80211com *ic, const struct ieee80211_key *k,
1752 const uint8_t *mac)
1753 {
1754 struct run_softc *sc = ic->ic_ifp->if_softc;
1755 struct ieee80211_node *ni = ic->ic_bss;
1756 struct run_cmd_key cmd;
1757
1758 /* do it in a process context */
1759 cmd.key = *k;
1760 cmd.associd = (ni != NULL) ? ni->ni_associd : 0;
1761 run_do_async(sc, run_set_key_cb, &cmd, sizeof cmd);
1762 return 1;
1763 }
1764
1765 static void
1766 run_set_key_cb(struct run_softc *sc, void *arg)
1767 {
1768 #ifndef IEEE80211_STA_ONLY
1769 struct ieee80211com *ic = &sc->sc_ic;
1770 #endif
1771 struct run_cmd_key *cmd = arg;
1772 struct ieee80211_key *k = &cmd->key;
1773 uint32_t attr;
1774 uint16_t base;
1775 uint8_t mode, wcid, iv[8];
1776
1777 /* map net80211 cipher to RT2860 security mode */
1778 switch (k->wk_cipher->ic_cipher) {
1779 case IEEE80211_CIPHER_WEP:
1780 k->wk_flags |= IEEE80211_KEY_GROUP; /* XXX */
1781 if (k->wk_keylen == 5)
1782 mode = RT2860_MODE_WEP40;
1783 else
1784 mode = RT2860_MODE_WEP104;
1785 break;
1786 case IEEE80211_CIPHER_TKIP:
1787 mode = RT2860_MODE_TKIP;
1788 break;
1789 case IEEE80211_CIPHER_AES_CCM:
1790 mode = RT2860_MODE_AES_CCMP;
1791 break;
1792 default:
1793 return;
1794 }
1795
1796 if (k->wk_flags & IEEE80211_KEY_GROUP) {
1797 wcid = 0; /* NB: update WCID0 for group keys */
1798 base = RT2860_SKEY(0, k->wk_keyix);
1799 } else {
1800 wcid = RUN_AID2WCID(cmd->associd);
1801 base = RT2860_PKEY(wcid);
1802 }
1803
1804 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
1805 run_write_region_1(sc, base, k->wk_key, 16);
1806 #ifndef IEEE80211_STA_ONLY
1807 if (ic->ic_opmode == IEEE80211_M_HOSTAP) {
1808 run_write_region_1(sc, base + 16, &k->wk_key[16], 8);
1809 run_write_region_1(sc, base + 24, &k->wk_key[24], 8);
1810 } else
1811 #endif
1812 {
1813 run_write_region_1(sc, base + 16, &k->wk_key[24], 8);
1814 run_write_region_1(sc, base + 24, &k->wk_key[16], 8);
1815 }
1816 } else {
1817 /* roundup len to 16-bit: XXX fix write_region_1() instead */
1818 run_write_region_1(sc, base, k->wk_key,
1819 (k->wk_keylen + 1) & ~1);
1820 }
1821
1822 if (!(k->wk_flags & IEEE80211_KEY_GROUP) ||
1823 (k->wk_flags & IEEE80211_KEY_XMIT)) {
1824 /* set initial packet number in IV+EIV */
1825 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP) {
1826 memset(iv, 0, sizeof iv);
1827 iv[3] = sc->sc_ic.ic_crypto.cs_def_txkey << 6;
1828 } else {
1829 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
1830 iv[0] = k->wk_keytsc >> 8;
1831 iv[1] = (iv[0] | 0x20) & 0x7f;
1832 iv[2] = k->wk_keytsc;
1833 } else /* CCMP */ {
1834 iv[0] = k->wk_keytsc;
1835 iv[1] = k->wk_keytsc >> 8;
1836 iv[2] = 0;
1837 }
1838 iv[3] = k->wk_keyix << 6 | IEEE80211_WEP_EXTIV;
1839 iv[4] = k->wk_keytsc >> 16;
1840 iv[5] = k->wk_keytsc >> 24;
1841 iv[6] = k->wk_keytsc >> 32;
1842 iv[7] = k->wk_keytsc >> 40;
1843 }
1844 run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8);
1845 }
1846
1847 if (k->wk_flags & IEEE80211_KEY_GROUP) {
1848 /* install group key */
1849 run_read(sc, RT2860_SKEY_MODE_0_7, &attr);
1850 attr &= ~(0xf << (k->wk_keyix * 4));
1851 attr |= mode << (k->wk_keyix * 4);
1852 run_write(sc, RT2860_SKEY_MODE_0_7, attr);
1853 } else {
1854 /* install pairwise key */
1855 run_read(sc, RT2860_WCID_ATTR(wcid), &attr);
1856 attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN;
1857 run_write(sc, RT2860_WCID_ATTR(wcid), attr);
1858 }
1859 }
1860
1861 static int
1862 run_delete_key(struct ieee80211com *ic, const struct ieee80211_key *k)
1863 {
1864 struct run_softc *sc = ic->ic_ifp->if_softc;
1865 struct ieee80211_node *ni = ic->ic_bss;
1866 struct run_cmd_key cmd;
1867
1868 /* do it in a process context */
1869 cmd.key = *k;
1870 cmd.associd = (ni != NULL) ? ni->ni_associd : 0;
1871 run_do_async(sc, run_delete_key_cb, &cmd, sizeof cmd);
1872 return 1;
1873 }
1874
1875 static void
1876 run_delete_key_cb(struct run_softc *sc, void *arg)
1877 {
1878 struct run_cmd_key *cmd = arg;
1879 struct ieee80211_key *k = &cmd->key;
1880 uint32_t attr;
1881 uint8_t wcid;
1882
1883 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
1884 k->wk_flags |= IEEE80211_KEY_GROUP; /* XXX */
1885
1886 if (k->wk_flags & IEEE80211_KEY_GROUP) {
1887 /* remove group key */
1888 run_read(sc, RT2860_SKEY_MODE_0_7, &attr);
1889 attr &= ~(0xf << (k->wk_keyix * 4));
1890 run_write(sc, RT2860_SKEY_MODE_0_7, attr);
1891
1892 } else {
1893 /* remove pairwise key */
1894 wcid = RUN_AID2WCID(cmd->associd);
1895 run_read(sc, RT2860_WCID_ATTR(wcid), &attr);
1896 attr &= ~0xf;
1897 run_write(sc, RT2860_WCID_ATTR(wcid), attr);
1898 }
1899 }
1900 #endif
1901
1902 static void
1903 run_calibrate_to(void *arg)
1904 {
1905
1906 /* do it in a process context */
1907 run_do_async(arg, run_calibrate_cb, NULL, 0);
1908 /* next timeout will be rescheduled in the calibration task */
1909 }
1910
1911 /* ARGSUSED */
1912 static void
1913 run_calibrate_cb(struct run_softc *sc, void *arg)
1914 {
1915 struct ifnet *ifp = &sc->sc_if;
1916 uint32_t sta[3];
1917 int s, error;
1918
1919 /* read statistic counters (clear on read) and update AMRR state */
1920 error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta,
1921 sizeof sta);
1922 if (error != 0)
1923 goto skip;
1924
1925 DPRINTF(("retrycnt=%d txcnt=%d failcnt=%d\n",
1926 le32toh(sta[1]) >> 16, le32toh(sta[1]) & 0xffff,
1927 le32toh(sta[0]) & 0xffff));
1928
1929 s = splnet();
1930 /* count failed TX as errors */
1931 ifp->if_oerrors += le32toh(sta[0]) & 0xffff;
1932
1933 sc->amn.amn_retrycnt =
1934 (le32toh(sta[0]) & 0xffff) + /* failed TX count */
1935 (le32toh(sta[1]) >> 16); /* TX retransmission count */
1936
1937 sc->amn.amn_txcnt =
1938 sc->amn.amn_retrycnt +
1939 (le32toh(sta[1]) & 0xffff); /* successful TX count */
1940
1941 ieee80211_amrr_choose(&sc->amrr, sc->sc_ic.ic_bss, &sc->amn);
1942 splx(s);
1943
1944 skip: callout_schedule(&sc->calib_to, hz);
1945 }
1946
1947 static void
1948 run_newassoc(struct ieee80211_node *ni, int isnew)
1949 {
1950 struct run_softc *sc = ni->ni_ic->ic_ifp->if_softc;
1951 struct run_node *rn = (void *)ni;
1952 struct ieee80211_rateset *rs = &ni->ni_rates;
1953 uint8_t rate;
1954 int ridx, i, j;
1955
1956 DPRINTF(("new assoc isnew=%d addr=%s\n",
1957 isnew, ether_sprintf(ni->ni_macaddr)));
1958
1959 ieee80211_amrr_node_init(&sc->amrr, &sc->amn);
1960 /* start at lowest available bit-rate, AMRR will raise */
1961 ni->ni_txrate = 0;
1962
1963 for (i = 0; i < rs->rs_nrates; i++) {
1964 rate = rs->rs_rates[i] & IEEE80211_RATE_VAL;
1965 /* convert 802.11 rate to hardware rate index */
1966 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
1967 if (rt2860_rates[ridx].rate == rate)
1968 break;
1969 rn->ridx[i] = ridx;
1970 /* determine rate of control response frames */
1971 for (j = i; j >= 0; j--) {
1972 if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) &&
1973 rt2860_rates[rn->ridx[i]].phy ==
1974 rt2860_rates[rn->ridx[j]].phy)
1975 break;
1976 }
1977 if (j >= 0) {
1978 rn->ctl_ridx[i] = rn->ridx[j];
1979 } else {
1980 /* no basic rate found, use mandatory one */
1981 rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx;
1982 }
1983 DPRINTF(("rate=0x%02x ridx=%d ctl_ridx=%d\n",
1984 rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]));
1985 }
1986 }
1987
1988 /*
1989 * Return the Rx chain with the highest RSSI for a given frame.
1990 */
1991 static __inline uint8_t
1992 run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi)
1993 {
1994 uint8_t rxchain = 0;
1995
1996 if (sc->nrxchains > 1) {
1997 if (rxwi->rssi[1] > rxwi->rssi[rxchain])
1998 rxchain = 1;
1999 if (sc->nrxchains > 2)
2000 if (rxwi->rssi[2] > rxwi->rssi[rxchain])
2001 rxchain = 2;
2002 }
2003 return (rxchain);
2004 }
2005
2006 static void
2007 run_rx_frame(struct run_softc *sc, uint8_t *buf, int dmalen)
2008 {
2009 struct ieee80211com *ic = &sc->sc_ic;
2010 struct ifnet *ifp = &sc->sc_if;
2011 struct ieee80211_frame *wh;
2012 struct ieee80211_node *ni;
2013 struct rt2870_rxd *rxd;
2014 struct rt2860_rxwi *rxwi;
2015 struct mbuf *m;
2016 uint32_t flags;
2017 uint16_t len, phy;
2018 uint8_t ant, rssi;
2019 int s;
2020 #ifdef RUN_HWCRYPTO
2021 int decrypted = 0;
2022 #endif
2023
2024 rxwi = (struct rt2860_rxwi *)buf;
2025 len = le16toh(rxwi->len) & 0xfff;
2026 if (__predict_false(len > dmalen)) {
2027 DPRINTF(("bad RXWI length %u > %u\n", len, dmalen));
2028 return;
2029 }
2030 /* Rx descriptor is located at the end */
2031 rxd = (struct rt2870_rxd *)(buf + dmalen);
2032 flags = le32toh(rxd->flags);
2033
2034 if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) {
2035 ifp->if_ierrors++;
2036 return;
2037 }
2038
2039 wh = (struct ieee80211_frame *)(rxwi + 1);
2040 #ifdef RUN_HWCRYPTO
2041 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2042 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
2043 decrypted = 1;
2044 }
2045 #endif
2046
2047 if (__predict_false((flags & RT2860_RX_MICERR))) {
2048 /* report MIC failures to net80211 for TKIP */
2049 ieee80211_notify_michael_failure(ic, wh, 0/* XXX */);
2050 ifp->if_ierrors++;
2051 return;
2052 }
2053
2054 if (flags & RT2860_RX_L2PAD) {
2055 u_int hdrlen = ieee80211_hdrspace(ic, wh);
2056 ovbcopy(wh, (uint8_t *)wh + 2, hdrlen);
2057 wh = (struct ieee80211_frame *)((uint8_t *)wh + 2);
2058 }
2059
2060 /* could use m_devget but net80211 wants contig mgmt frames */
2061 MGETHDR(m, M_DONTWAIT, MT_DATA);
2062 if (__predict_false(m == NULL)) {
2063 ifp->if_ierrors++;
2064 return;
2065 }
2066 if (len > MHLEN) {
2067 MCLGET(m, M_DONTWAIT);
2068 if (__predict_false(!(m->m_flags & M_EXT))) {
2069 ifp->if_ierrors++;
2070 m_freem(m);
2071 return;
2072 }
2073 }
2074 /* finalize mbuf */
2075 m->m_pkthdr.rcvif = ifp;
2076 memcpy(mtod(m, void *), wh, len);
2077 m->m_pkthdr.len = m->m_len = len;
2078
2079 ant = run_maxrssi_chain(sc, rxwi);
2080 rssi = rxwi->rssi[ant];
2081
2082 if (__predict_false(sc->sc_drvbpf != NULL)) {
2083 struct run_rx_radiotap_header *tap = &sc->sc_rxtap;
2084
2085 tap->wr_flags = 0;
2086 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq);
2087 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags);
2088 tap->wr_antsignal = rssi;
2089 tap->wr_antenna = ant;
2090 tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant);
2091 tap->wr_rate = 2; /* in case it can't be found below */
2092 phy = le16toh(rxwi->phy);
2093 switch (phy & RT2860_PHY_MODE) {
2094 case RT2860_PHY_CCK:
2095 switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) {
2096 case 0: tap->wr_rate = 2; break;
2097 case 1: tap->wr_rate = 4; break;
2098 case 2: tap->wr_rate = 11; break;
2099 case 3: tap->wr_rate = 22; break;
2100 }
2101 if (phy & RT2860_PHY_SHPRE)
2102 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2103 break;
2104 case RT2860_PHY_OFDM:
2105 switch (phy & RT2860_PHY_MCS) {
2106 case 0: tap->wr_rate = 12; break;
2107 case 1: tap->wr_rate = 18; break;
2108 case 2: tap->wr_rate = 24; break;
2109 case 3: tap->wr_rate = 36; break;
2110 case 4: tap->wr_rate = 48; break;
2111 case 5: tap->wr_rate = 72; break;
2112 case 6: tap->wr_rate = 96; break;
2113 case 7: tap->wr_rate = 108; break;
2114 }
2115 break;
2116 }
2117 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m);
2118 }
2119
2120 s = splnet();
2121 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh);
2122 #ifdef RUN_HWCRYPTO
2123 if (decrypted) {
2124 uint32_t icflags = ic->ic_flags;
2125
2126 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; /* XXX */
2127 ieee80211_input(ic, m, ni, rssi, 0);
2128 ic->ic_flags = icflags;
2129 } else
2130 #endif
2131 ieee80211_input(ic, m, ni, rssi, 0);
2132
2133 /* node is no longer needed */
2134 ieee80211_free_node(ni);
2135
2136 /*
2137 * In HostAP mode, ieee80211_input() will enqueue packets in if_snd
2138 * without calling if_start().
2139 */
2140 if (!IFQ_IS_EMPTY(&ifp->if_snd) && !(ifp->if_flags & IFF_OACTIVE))
2141 run_start(ifp);
2142
2143 splx(s);
2144 }
2145
2146 static void
2147 run_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
2148 {
2149 struct run_rx_data *data = priv;
2150 struct run_softc *sc = data->sc;
2151 uint8_t *buf;
2152 uint32_t dmalen;
2153 int xferlen;
2154
2155 if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
2156 DPRINTF(("RX status=%d\n", status));
2157 if (status == USBD_STALLED)
2158 usbd_clear_endpoint_stall_async(sc->rxq.pipeh);
2159 if (status != USBD_CANCELLED)
2160 goto skip;
2161 return;
2162 }
2163 usbd_get_xfer_status(xfer, NULL, NULL, &xferlen, NULL);
2164
2165 if (__predict_false(xferlen < (int)(sizeof(uint32_t) +
2166 sizeof(struct rt2860_rxwi) + sizeof(struct rt2870_rxd)))) {
2167 DPRINTF(("xfer too short %d\n", xferlen));
2168 goto skip;
2169 }
2170
2171 /* HW can aggregate multiple 802.11 frames in a single USB xfer */
2172 buf = data->buf;
2173 while (xferlen > 8) {
2174 dmalen = le32toh(*(uint32_t *)buf) & 0xffff;
2175
2176 if (__predict_false(dmalen == 0 || (dmalen & 3) != 0)) {
2177 DPRINTF(("bad DMA length %u (%x)\n", dmalen, dmalen));
2178 break;
2179 }
2180 if (__predict_false(dmalen + 8 > (uint32_t)xferlen)) {
2181 DPRINTF(("bad DMA length %u > %d\n",
2182 dmalen + 8, xferlen));
2183 break;
2184 }
2185 run_rx_frame(sc, buf + sizeof (uint32_t), dmalen);
2186 buf += dmalen + 8;
2187 xferlen -= dmalen + 8;
2188 }
2189
2190 skip: /* setup a new transfer */
2191 usbd_setup_xfer(xfer, sc->rxq.pipeh, data, data->buf, RUN_MAX_RXSZ,
2192 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, run_rxeof);
2193 (void)usbd_transfer(data->xfer);
2194 }
2195
2196 static void
2197 run_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
2198 {
2199 struct run_tx_data *data = priv;
2200 struct run_softc *sc = data->sc;
2201 struct run_tx_ring *txq = &sc->txq[data->qid];
2202 struct ifnet *ifp = &sc->sc_if;
2203 int s;
2204
2205 if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
2206 DPRINTF(("TX status=%d\n", status));
2207 if (status == USBD_STALLED)
2208 usbd_clear_endpoint_stall_async(txq->pipeh);
2209 ifp->if_oerrors++;
2210 return;
2211 }
2212
2213 s = splnet();
2214 sc->sc_tx_timer = 0;
2215 ifp->if_opackets++;
2216 if (--txq->queued < RUN_TX_RING_COUNT) {
2217 sc->qfullmsk &= ~(1 << data->qid);
2218 ifp->if_flags &= ~IFF_OACTIVE;
2219 run_start(ifp);
2220 }
2221 splx(s);
2222 }
2223
2224 static int
2225 run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
2226 {
2227 struct ieee80211com *ic = &sc->sc_ic;
2228 struct run_node *rn = (void *)ni;
2229 struct ieee80211_frame *wh;
2230 #ifndef RUN_HWCRYPTO
2231 struct ieee80211_key *k;
2232 #endif
2233 struct run_tx_ring *ring;
2234 struct run_tx_data *data;
2235 struct rt2870_txd *txd;
2236 struct rt2860_txwi *txwi;
2237 uint16_t dur;
2238 uint8_t type, mcs, tid, qid, qos = 0;
2239 int error, hasqos, ridx, ctl_ridx, xferlen;
2240
2241 wh = mtod(m, struct ieee80211_frame *);
2242
2243 #ifndef RUN_HWCRYPTO
2244 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2245 k = ieee80211_crypto_encap(ic, ni, m);
2246 if (k == NULL) {
2247 m_freem(m);
2248 return (ENOBUFS);
2249 }
2250
2251 /* packet header may have moved, reset our local pointer */
2252 wh = mtod(m, struct ieee80211_frame *);
2253 }
2254 #endif
2255 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
2256
2257 if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) {
2258 qos = ((struct ieee80211_qosframe *)wh)->i_qos[0];
2259 tid = qos & IEEE80211_QOS_TID;
2260 qid = TID_TO_WME_AC(tid);
2261 } else {
2262 tid = 0;
2263 qid = WME_AC_BE;
2264 }
2265 ring = &sc->txq[qid];
2266 data = &ring->data[ring->cur];
2267
2268 /* pickup a rate index */
2269 if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
2270 type != IEEE80211_FC0_TYPE_DATA) {
2271 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
2272 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
2273 ctl_ridx = rt2860_rates[ridx].ctl_ridx;
2274 } else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) {
2275 ridx = sc->fixed_ridx;
2276 ctl_ridx = rt2860_rates[ridx].ctl_ridx;
2277 } else {
2278 ridx = rn->ridx[ni->ni_txrate];
2279 ctl_ridx = rn->ctl_ridx[ni->ni_txrate];
2280 }
2281
2282 /* get MCS code from rate index */
2283 mcs = rt2860_rates[ridx].mcs;
2284
2285 xferlen = sizeof (*txwi) + m->m_pkthdr.len;
2286 /* roundup to 32-bit alignment */
2287 xferlen = (xferlen + 3) & ~3;
2288
2289 txd = (struct rt2870_txd *)data->buf;
2290 txd->flags = RT2860_TX_QSEL_EDCA;
2291 txd->len = htole16(xferlen);
2292
2293 /* setup TX Wireless Information */
2294 txwi = (struct rt2860_txwi *)(txd + 1);
2295 txwi->flags = 0;
2296 txwi->xflags = hasqos ? 0 : RT2860_TX_NSEQ;
2297 txwi->wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
2298 RUN_AID2WCID(ni->ni_associd) : 0xff;
2299 txwi->len = htole16(m->m_pkthdr.len);
2300 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) {
2301 txwi->phy = htole16(RT2860_PHY_CCK);
2302 if (ridx != RT2860_RIDX_CCK1 &&
2303 (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
2304 mcs |= RT2860_PHY_SHPRE;
2305 } else
2306 txwi->phy = htole16(RT2860_PHY_OFDM);
2307 txwi->phy |= htole16(mcs);
2308
2309 txwi->txop = RT2860_TX_TXOP_BACKOFF;
2310
2311 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20
2312 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
2313 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) !=
2314 IEEE80211_QOS_ACKPOLICY_NOACK)) {
2315 txwi->xflags |= RT2860_TX_ACK;
2316 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2317 dur = rt2860_rates[ctl_ridx].sp_ack_dur;
2318 else
2319 dur = rt2860_rates[ctl_ridx].lp_ack_dur;
2320 *(uint16_t *)wh->i_dur = htole16(dur);
2321 }
2322
2323 #ifndef IEEE80211_STA_ONLY
2324 /* ask MAC to insert timestamp into probe responses */
2325 if ((wh->i_fc[0] &
2326 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
2327 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
2328 /* NOTE: beacons do not pass through tx_data() */
2329 txwi->flags |= RT2860_TX_TS;
2330 #endif
2331
2332 if (__predict_false(sc->sc_drvbpf != NULL)) {
2333 struct run_tx_radiotap_header *tap = &sc->sc_txtap;
2334
2335 tap->wt_flags = 0;
2336 tap->wt_rate = rt2860_rates[ridx].rate;
2337 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq);
2338 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags);
2339 tap->wt_hwqueue = qid;
2340 if (mcs & RT2860_PHY_SHPRE)
2341 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2342
2343 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m);
2344 }
2345
2346 m_copydata(m, 0, m->m_pkthdr.len, (void *)(txwi + 1));
2347 m_freem(m);
2348
2349 xferlen += sizeof (*txd) + 4;
2350
2351 usbd_setup_xfer(data->xfer, ring->pipeh, data, data->buf, xferlen,
2352 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RUN_TX_TIMEOUT, run_txeof);
2353 error = usbd_transfer(data->xfer);
2354 if (__predict_false(error != USBD_IN_PROGRESS &&
2355 error != USBD_NORMAL_COMPLETION))
2356 return (error);
2357
2358 ieee80211_free_node(ni);
2359
2360 ring->cur = (ring->cur + 1) % RUN_TX_RING_COUNT;
2361 if (++ring->queued >= RUN_TX_RING_COUNT)
2362 sc->qfullmsk |= 1 << qid;
2363
2364 return (0);
2365 }
2366
2367 static void
2368 run_start(struct ifnet *ifp)
2369 {
2370 struct run_softc *sc = ifp->if_softc;
2371 struct ieee80211com *ic = &sc->sc_ic;
2372 struct ether_header *eh;
2373 struct ieee80211_node *ni;
2374 struct mbuf *m;
2375
2376 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
2377 return;
2378
2379 for (;;) {
2380 if (sc->qfullmsk != 0) {
2381 ifp->if_flags |= IFF_OACTIVE;
2382 break;
2383 }
2384 /* send pending management frames first */
2385 IF_DEQUEUE(&ic->ic_mgtq, m);
2386 if (m != NULL) {
2387 ni = (void *)m->m_pkthdr.rcvif;
2388 m->m_pkthdr.rcvif = NULL;
2389 goto sendit;
2390 }
2391 if (ic->ic_state != IEEE80211_S_RUN)
2392 break;
2393
2394 /* encapsulate and send data frames */
2395 IFQ_DEQUEUE(&ifp->if_snd, m);
2396 if (m == NULL)
2397 break;
2398 if (m->m_len < (int)sizeof(*eh) &&
2399 (m = m_pullup(m, sizeof(*eh))) == NULL) {
2400 ifp->if_oerrors++;
2401 continue;
2402 }
2403
2404 eh = mtod(m, struct ether_header *);
2405 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
2406 if (ni == NULL) {
2407 m_freem(m);
2408 ifp->if_oerrors++;
2409 continue;
2410 }
2411
2412 bpf_mtap(ifp, m);
2413
2414 if ((m = ieee80211_encap(ic, m, ni)) == NULL) {
2415 ieee80211_free_node(ni);
2416 ifp->if_oerrors++;
2417 continue;
2418 }
2419 sendit:
2420 bpf_mtap3(ic->ic_rawbpf, m);
2421
2422 if (run_tx(sc, m, ni) != 0) {
2423 ieee80211_free_node(ni);
2424 ifp->if_oerrors++;
2425 continue;
2426 }
2427
2428 sc->sc_tx_timer = 5;
2429 ifp->if_timer = 1;
2430 }
2431 }
2432
2433 static void
2434 run_watchdog(struct ifnet *ifp)
2435 {
2436 struct run_softc *sc = ifp->if_softc;
2437 struct ieee80211com *ic = &sc->sc_ic;
2438
2439 ifp->if_timer = 0;
2440
2441 if (sc->sc_tx_timer > 0) {
2442 if (--sc->sc_tx_timer == 0) {
2443 aprint_error_dev(sc->sc_dev, "device timeout\n");
2444 /* run_init(ifp); XXX needs a process context! */
2445 ifp->if_oerrors++;
2446 return;
2447 }
2448 ifp->if_timer = 1;
2449 }
2450
2451 ieee80211_watchdog(ic);
2452 }
2453
2454 static int
2455 run_ioctl(struct ifnet *ifp, u_long cmd, void *data)
2456 {
2457 struct run_softc *sc = ifp->if_softc;
2458 struct ieee80211com *ic = &sc->sc_ic;
2459 int s, error = 0;
2460
2461 s = splnet();
2462
2463 switch (cmd) {
2464 case SIOCSIFFLAGS:
2465 if ((error = ifioctl_common(ifp, cmd, data)) != 0)
2466 break;
2467 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) {
2468 case IFF_UP|IFF_RUNNING:
2469 break;
2470 case IFF_UP:
2471 run_init(ifp);
2472 break;
2473 case IFF_RUNNING:
2474 run_stop(ifp, 1);
2475 break;
2476 case 0:
2477 break;
2478 }
2479 break;
2480
2481 case SIOCADDMULTI:
2482 case SIOCDELMULTI:
2483 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) {
2484 /* setup multicast filter, etc */
2485 error = 0;
2486 }
2487 break;
2488
2489 default:
2490 error = ieee80211_ioctl(ic, cmd, data);
2491 break;
2492 }
2493
2494 if (error == ENETRESET) {
2495 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
2496 (IFF_UP | IFF_RUNNING)) {
2497 run_init(ifp);
2498 }
2499 error = 0;
2500 }
2501
2502 splx(s);
2503
2504 return (error);
2505 }
2506
2507 static void
2508 run_select_chan_group(struct run_softc *sc, int group)
2509 {
2510 uint32_t tmp;
2511 uint8_t agc;
2512
2513 run_bbp_write(sc, 62, 0x37 - sc->lna[group]);
2514 run_bbp_write(sc, 63, 0x37 - sc->lna[group]);
2515 run_bbp_write(sc, 64, 0x37 - sc->lna[group]);
2516 run_bbp_write(sc, 86, 0x00);
2517
2518 if (group == 0) {
2519 if (sc->ext_2ghz_lna) {
2520 run_bbp_write(sc, 82, 0x62);
2521 run_bbp_write(sc, 75, 0x46);
2522 } else {
2523 run_bbp_write(sc, 82, 0x84);
2524 run_bbp_write(sc, 75, 0x50);
2525 }
2526 } else {
2527 if (sc->mac_ver == 0x3572)
2528 run_bbp_write(sc, 82, 0x94);
2529 else
2530 run_bbp_write(sc, 82, 0xf2);
2531 if (sc->ext_5ghz_lna)
2532 run_bbp_write(sc, 75, 0x46);
2533 else
2534 run_bbp_write(sc, 75, 0x50);
2535 }
2536
2537 run_read(sc, RT2860_TX_BAND_CFG, &tmp);
2538 tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P);
2539 tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P;
2540 run_write(sc, RT2860_TX_BAND_CFG, tmp);
2541
2542 /* enable appropriate Power Amplifiers and Low Noise Amplifiers */
2543 tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN;
2544 if (sc->nrxchains > 1)
2545 tmp |= RT2860_LNA_PE1_EN;
2546 if (group == 0) { /* 2GHz */
2547 tmp |= RT2860_PA_PE_G0_EN;
2548 if (sc->ntxchains > 1)
2549 tmp |= RT2860_PA_PE_G1_EN;
2550 } else { /* 5GHz */
2551 tmp |= RT2860_PA_PE_A0_EN;
2552 if (sc->ntxchains > 1)
2553 tmp |= RT2860_PA_PE_A1_EN;
2554 }
2555 if (sc->mac_ver == 0x3572) {
2556 run_rt3070_rf_write(sc, 8, 0x00);
2557 run_write(sc, RT2860_TX_PIN_CFG, tmp);
2558 run_rt3070_rf_write(sc, 8, 0x80);
2559 } else
2560 run_write(sc, RT2860_TX_PIN_CFG, tmp);
2561
2562 /* set initial AGC value */
2563 if (group == 0) { /* 2GHz band */
2564 if (sc->mac_ver >= 0x3070)
2565 agc = 0x1c + sc->lna[0] * 2;
2566 else
2567 agc = 0x2e + sc->lna[0];
2568 } else { /* 5GHz band */
2569 if (sc->mac_ver == 0x3572)
2570 agc = 0x22 + (sc->lna[group] * 5) / 3;
2571 else
2572 agc = 0x32 + (sc->lna[group] * 5) / 3;
2573 }
2574 run_set_agc(sc, agc);
2575 }
2576
2577 static void
2578 run_rt2870_set_chan(struct run_softc *sc, u_int chan)
2579 {
2580 const struct rfprog *rfprog = rt2860_rf2850;
2581 uint32_t r2, r3, r4;
2582 int8_t txpow1, txpow2;
2583 int i;
2584
2585 /* find the settings for this channel (we know it exists) */
2586 for (i = 0; rfprog[i].chan != chan; i++);
2587
2588 r2 = rfprog[i].r2;
2589 if (sc->ntxchains == 1)
2590 r2 |= 1 << 12; /* 1T: disable Tx chain 2 */
2591 if (sc->nrxchains == 1)
2592 r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
2593 else if (sc->nrxchains == 2)
2594 r2 |= 1 << 4; /* 2R: disable Rx chain 3 */
2595
2596 /* use Tx power values from EEPROM */
2597 txpow1 = sc->txpow1[i];
2598 txpow2 = sc->txpow2[i];
2599 if (chan > 14) {
2600 if (txpow1 >= 0)
2601 txpow1 = txpow1 << 1 | 1;
2602 else
2603 txpow1 = (7 + txpow1) << 1;
2604 if (txpow2 >= 0)
2605 txpow2 = txpow2 << 1 | 1;
2606 else
2607 txpow2 = (7 + txpow2) << 1;
2608 }
2609 r3 = rfprog[i].r3 | txpow1 << 7;
2610 r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4;
2611
2612 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2613 run_rt2870_rf_write(sc, RT2860_RF2, r2);
2614 run_rt2870_rf_write(sc, RT2860_RF3, r3);
2615 run_rt2870_rf_write(sc, RT2860_RF4, r4);
2616
2617 DELAY(200);
2618
2619 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2620 run_rt2870_rf_write(sc, RT2860_RF2, r2);
2621 run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1);
2622 run_rt2870_rf_write(sc, RT2860_RF4, r4);
2623
2624 DELAY(200);
2625
2626 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2627 run_rt2870_rf_write(sc, RT2860_RF2, r2);
2628 run_rt2870_rf_write(sc, RT2860_RF3, r3);
2629 run_rt2870_rf_write(sc, RT2860_RF4, r4);
2630 }
2631
2632 static void
2633 run_rt3070_set_chan(struct run_softc *sc, u_int chan)
2634 {
2635 int8_t txpow1, txpow2;
2636 uint8_t rf;
2637 int i;
2638
2639 KASSERT(chan >= 1 && chan <= 14); /* RT3070 is 2GHz only */
2640
2641 /* find the settings for this channel (we know it exists) */
2642 for (i = 0; rt2860_rf2850[i].chan != chan; i++)
2643 continue;
2644
2645 /* use Tx power values from EEPROM */
2646 txpow1 = sc->txpow1[i];
2647 txpow2 = sc->txpow2[i];
2648
2649 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
2650 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
2651 run_rt3070_rf_read(sc, 6, &rf);
2652 rf = (rf & ~0x03) | rt3070_freqs[i].r;
2653 run_rt3070_rf_write(sc, 6, rf);
2654
2655 /* set Tx0 power */
2656 run_rt3070_rf_read(sc, 12, &rf);
2657 rf = (rf & ~0x1f) | txpow1;
2658 run_rt3070_rf_write(sc, 12, rf);
2659
2660 /* set Tx1 power */
2661 run_rt3070_rf_read(sc, 13, &rf);
2662 rf = (rf & ~0x1f) | txpow2;
2663 run_rt3070_rf_write(sc, 13, rf);
2664
2665 run_rt3070_rf_read(sc, 1, &rf);
2666 rf &= ~0xfc;
2667 if (sc->ntxchains == 1)
2668 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */
2669 else if (sc->ntxchains == 2)
2670 rf |= 1 << 7; /* 2T: disable Tx chain 3 */
2671 if (sc->nrxchains == 1)
2672 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
2673 else if (sc->nrxchains == 2)
2674 rf |= 1 << 6; /* 2R: disable Rx chain 3 */
2675 run_rt3070_rf_write(sc, 1, rf);
2676
2677 /* set RF offset */
2678 run_rt3070_rf_read(sc, 23, &rf);
2679 rf = (rf & ~0x7f) | sc->freq;
2680 run_rt3070_rf_write(sc, 23, rf);
2681
2682 /* program RF filter */
2683 run_rt3070_rf_read(sc, 24, &rf); /* Tx */
2684 rf = (rf & ~0x3f) | sc->rf24_20mhz;
2685 run_rt3070_rf_write(sc, 24, rf);
2686 run_rt3070_rf_read(sc, 31, &rf); /* Rx */
2687 rf = (rf & ~0x3f) | sc->rf24_20mhz;
2688 run_rt3070_rf_write(sc, 31, rf);
2689
2690 /* enable RF tuning */
2691 run_rt3070_rf_read(sc, 7, &rf);
2692 run_rt3070_rf_write(sc, 7, rf | 0x01);
2693 }
2694
2695 static void
2696 run_rt3572_set_chan(struct run_softc *sc, u_int chan)
2697 {
2698 int8_t txpow1, txpow2;
2699 uint32_t tmp;
2700 uint8_t rf;
2701 int i;
2702
2703 /* find the settings for this channel (we know it exists) */
2704 for (i = 0; rt2860_rf2850[i].chan != chan; i++);
2705
2706 /* use Tx power values from EEPROM */
2707 txpow1 = sc->txpow1[i];
2708 txpow2 = sc->txpow2[i];
2709
2710 if (chan <= 14) {
2711 run_bbp_write(sc, 25, sc->bbp25);
2712 run_bbp_write(sc, 26, sc->bbp26);
2713 } else {
2714 /* enable IQ phase correction */
2715 run_bbp_write(sc, 25, 0x09);
2716 run_bbp_write(sc, 26, 0xff);
2717 }
2718
2719 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
2720 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
2721 run_rt3070_rf_read(sc, 6, &rf);
2722 rf = (rf & ~0x0f) | rt3070_freqs[i].r;
2723 rf |= (chan <= 14) ? 0x08 : 0x04;
2724 run_rt3070_rf_write(sc, 6, rf);
2725
2726 /* set PLL mode */
2727 run_rt3070_rf_read(sc, 5, &rf);
2728 rf &= ~(0x08 | 0x04);
2729 rf |= (chan <= 14) ? 0x04 : 0x08;
2730 run_rt3070_rf_write(sc, 5, rf);
2731
2732 /* set Tx power for chain 0 */
2733 if (chan <= 14)
2734 rf = 0x60 | txpow1;
2735 else
2736 rf = 0xe0 | (txpow1 & 0xc) << 1 | (txpow1 & 0x3);
2737 run_rt3070_rf_write(sc, 12, rf);
2738
2739 /* set Tx power for chain 1 */
2740 if (chan <= 14)
2741 rf = 0x60 | txpow2;
2742 else
2743 rf = 0xe0 | (txpow2 & 0xc) << 1 | (txpow2 & 0x3);
2744 run_rt3070_rf_write(sc, 13, rf);
2745
2746 /* set Tx/Rx streams */
2747 run_rt3070_rf_read(sc, 1, &rf);
2748 rf &= ~0xfc;
2749 if (sc->ntxchains == 1)
2750 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */
2751 else if (sc->ntxchains == 2)
2752 rf |= 1 << 7; /* 2T: disable Tx chain 3 */
2753 if (sc->nrxchains == 1)
2754 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */
2755 else if (sc->nrxchains == 2)
2756 rf |= 1 << 6; /* 2R: disable Rx chain 3 */
2757 run_rt3070_rf_write(sc, 1, rf);
2758
2759 /* set RF offset */
2760 run_rt3070_rf_read(sc, 23, &rf);
2761 rf = (rf & ~0x7f) | sc->freq;
2762 run_rt3070_rf_write(sc, 23, rf);
2763
2764 /* program RF filter */
2765 rf = sc->rf24_20mhz;
2766 run_rt3070_rf_write(sc, 24, rf); /* Tx */
2767 run_rt3070_rf_write(sc, 31, rf); /* Rx */
2768
2769 /* enable RF tuning */
2770 run_rt3070_rf_read(sc, 7, &rf);
2771 rf = (chan <= 14) ? 0xd8 : ((rf & ~0xc8) | 0x14);
2772 run_rt3070_rf_write(sc, 7, rf);
2773
2774 /* TSSI */
2775 rf = (chan <= 14) ? 0xc3 : 0xc0;
2776 run_rt3070_rf_write(sc, 9, rf);
2777
2778 /* set loop filter 1 */
2779 run_rt3070_rf_write(sc, 10, 0xf1);
2780 /* set loop filter 2 */
2781 run_rt3070_rf_write(sc, 11, (chan <= 14) ? 0xb9 : 0x00);
2782
2783 /* set tx_mx2_ic */
2784 run_rt3070_rf_write(sc, 15, (chan <= 14) ? 0x53 : 0x43);
2785 /* set tx_mx1_ic */
2786 if (chan <= 14)
2787 rf = 0x48 | sc->txmixgain_2ghz;
2788 else
2789 rf = 0x78 | sc->txmixgain_5ghz;
2790 run_rt3070_rf_write(sc, 16, rf);
2791
2792 /* set tx_lo1 */
2793 run_rt3070_rf_write(sc, 17, 0x23);
2794 /* set tx_lo2 */
2795 if (chan <= 14)
2796 rf = 0x93;
2797 else if (chan <= 64)
2798 rf = 0xb7;
2799 else if (chan <= 128)
2800 rf = 0x74;
2801 else
2802 rf = 0x72;
2803 run_rt3070_rf_write(sc, 19, rf);
2804
2805 /* set rx_lo1 */
2806 if (chan <= 14)
2807 rf = 0xb3;
2808 else if (chan <= 64)
2809 rf = 0xf6;
2810 else if (chan <= 128)
2811 rf = 0xf4;
2812 else
2813 rf = 0xf3;
2814 run_rt3070_rf_write(sc, 20, rf);
2815
2816 /* set pfd_delay */
2817 if (chan <= 14)
2818 rf = 0x15;
2819 else if (chan <= 64)
2820 rf = 0x3d;
2821 else
2822 rf = 0x01;
2823 run_rt3070_rf_write(sc, 25, rf);
2824
2825 /* set rx_lo2 */
2826 run_rt3070_rf_write(sc, 26, (chan <= 14) ? 0x85 : 0x87);
2827 /* set ldo_rf_vc */
2828 run_rt3070_rf_write(sc, 27, (chan <= 14) ? 0x00 : 0x01);
2829 /* set drv_cc */
2830 run_rt3070_rf_write(sc, 29, (chan <= 14) ? 0x9b : 0x9f);
2831
2832 run_read(sc, RT2860_GPIO_CTRL, &tmp);
2833 tmp &= ~0x8080;
2834 if (chan <= 14)
2835 tmp |= 0x80;
2836 run_write(sc, RT2860_GPIO_CTRL, tmp);
2837
2838 /* enable RF tuning */
2839 run_rt3070_rf_read(sc, 7, &rf);
2840 run_rt3070_rf_write(sc, 7, rf | 0x01);
2841
2842 DELAY(2000);
2843 }
2844
2845 static void
2846 run_set_agc(struct run_softc *sc, uint8_t agc)
2847 {
2848 uint8_t bbp;
2849
2850 if (sc->mac_ver == 0x3572) {
2851 run_bbp_read(sc, 27, &bbp);
2852 bbp &= ~(0x3 << 5);
2853 run_bbp_write(sc, 27, bbp | 0 << 5); /* select Rx0 */
2854 run_bbp_write(sc, 66, agc);
2855 run_bbp_write(sc, 27, bbp | 1 << 5); /* select Rx1 */
2856 run_bbp_write(sc, 66, agc);
2857 } else
2858 run_bbp_write(sc, 66, agc);
2859 }
2860
2861 static void
2862 run_set_rx_antenna(struct run_softc *sc, int aux)
2863 {
2864 uint32_t tmp;
2865
2866 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, !aux);
2867 run_read(sc, RT2860_GPIO_CTRL, &tmp);
2868 tmp &= ~0x0808;
2869 if (aux)
2870 tmp |= 0x08;
2871 run_write(sc, RT2860_GPIO_CTRL, tmp);
2872 }
2873
2874 static int
2875 run_set_chan(struct run_softc *sc, struct ieee80211_channel *c)
2876 {
2877 struct ieee80211com *ic = &sc->sc_ic;
2878 u_int chan, group;
2879
2880 chan = ieee80211_chan2ieee(ic, c);
2881 if (chan == 0 || chan == IEEE80211_CHAN_ANY)
2882 return (EINVAL);
2883
2884 if (sc->mac_ver == 0x3572)
2885 run_rt3572_set_chan(sc, chan);
2886 else if (sc->mac_ver >= 0x3070)
2887 run_rt3070_set_chan(sc, chan);
2888 else
2889 run_rt2870_set_chan(sc, chan);
2890
2891 /* determine channel group */
2892 if (chan <= 14)
2893 group = 0;
2894 else if (chan <= 64)
2895 group = 1;
2896 else if (chan <= 128)
2897 group = 2;
2898 else
2899 group = 3;
2900
2901 /* XXX necessary only when group has changed! */
2902 run_select_chan_group(sc, group);
2903
2904 DELAY(1000);
2905 return (0);
2906 }
2907
2908 static void
2909 run_enable_tsf_sync(struct run_softc *sc)
2910 {
2911 struct ieee80211com *ic = &sc->sc_ic;
2912 uint32_t tmp;
2913
2914 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
2915 tmp &= ~0x1fffff;
2916 tmp |= ic->ic_bss->ni_intval * 16;
2917 tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN;
2918 if (ic->ic_opmode == IEEE80211_M_STA) {
2919 /*
2920 * Local TSF is always updated with remote TSF on beacon
2921 * reception.
2922 */
2923 tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT;
2924 }
2925 #ifndef IEEE80211_STA_ONLY
2926 else if (ic->ic_opmode == IEEE80211_M_IBSS) {
2927 tmp |= RT2860_BCN_TX_EN;
2928 /*
2929 * Local TSF is updated with remote TSF on beacon reception
2930 * only if the remote TSF is greater than local TSF.
2931 */
2932 tmp |= 2 << RT2860_TSF_SYNC_MODE_SHIFT;
2933 } else if (ic->ic_opmode == IEEE80211_M_HOSTAP) {
2934 tmp |= RT2860_BCN_TX_EN;
2935 /* SYNC with nobody */
2936 tmp |= 3 << RT2860_TSF_SYNC_MODE_SHIFT;
2937 }
2938 #endif
2939 run_write(sc, RT2860_BCN_TIME_CFG, tmp);
2940 }
2941
2942 static void
2943 run_enable_mrr(struct run_softc *sc)
2944 {
2945 #define CCK(mcs) (mcs)
2946 #define OFDM(mcs) (1 << 3 | (mcs))
2947 run_write(sc, RT2860_LG_FBK_CFG0,
2948 OFDM(6) << 28 | /* 54->48 */
2949 OFDM(5) << 24 | /* 48->36 */
2950 OFDM(4) << 20 | /* 36->24 */
2951 OFDM(3) << 16 | /* 24->18 */
2952 OFDM(2) << 12 | /* 18->12 */
2953 OFDM(1) << 8 | /* 12-> 9 */
2954 OFDM(0) << 4 | /* 9-> 6 */
2955 OFDM(0)); /* 6-> 6 */
2956
2957 run_write(sc, RT2860_LG_FBK_CFG1,
2958 CCK(2) << 12 | /* 11->5.5 */
2959 CCK(1) << 8 | /* 5.5-> 2 */
2960 CCK(0) << 4 | /* 2-> 1 */
2961 CCK(0)); /* 1-> 1 */
2962 #undef OFDM
2963 #undef CCK
2964 }
2965
2966 static void
2967 run_set_txpreamble(struct run_softc *sc)
2968 {
2969 uint32_t tmp;
2970
2971 run_read(sc, RT2860_AUTO_RSP_CFG, &tmp);
2972 if (sc->sc_ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2973 tmp |= RT2860_CCK_SHORT_EN;
2974 else
2975 tmp &= ~RT2860_CCK_SHORT_EN;
2976 run_write(sc, RT2860_AUTO_RSP_CFG, tmp);
2977 }
2978
2979 static void
2980 run_set_basicrates(struct run_softc *sc)
2981 {
2982 struct ieee80211com *ic = &sc->sc_ic;
2983
2984 /* set basic rates mask */
2985 if (ic->ic_curmode == IEEE80211_MODE_11B)
2986 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x003);
2987 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2988 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x150);
2989 else /* 11g */
2990 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x15f);
2991 }
2992
2993 static void
2994 run_set_leds(struct run_softc *sc, uint16_t which)
2995 {
2996
2997 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LEDS,
2998 which | (sc->leds & 0x7f));
2999 }
3000
3001 static void
3002 run_set_bssid(struct run_softc *sc, const uint8_t *bssid)
3003 {
3004
3005 run_write(sc, RT2860_MAC_BSSID_DW0,
3006 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
3007 run_write(sc, RT2860_MAC_BSSID_DW1,
3008 bssid[4] | bssid[5] << 8);
3009 }
3010
3011 static void
3012 run_set_macaddr(struct run_softc *sc, const uint8_t *addr)
3013 {
3014
3015 run_write(sc, RT2860_MAC_ADDR_DW0,
3016 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3017 run_write(sc, RT2860_MAC_ADDR_DW1,
3018 addr[4] | addr[5] << 8 | 0xff << 16);
3019 }
3020
3021 static void
3022 run_updateslot(struct ifnet *ifp)
3023 {
3024
3025 /* do it in a process context */
3026 run_do_async(ifp->if_softc, run_updateslot_cb, NULL, 0);
3027 }
3028
3029 /* ARGSUSED */
3030 static void
3031 run_updateslot_cb(struct run_softc *sc, void *arg)
3032 {
3033 uint32_t tmp;
3034
3035 run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp);
3036 tmp &= ~0xff;
3037 tmp |= (sc->sc_ic.ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3038 run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp);
3039 }
3040
3041 static int8_t
3042 run_rssi2dbm(struct run_softc *sc, uint8_t rssi, uint8_t rxchain)
3043 {
3044 struct ieee80211com *ic = &sc->sc_ic;
3045 struct ieee80211_channel *c = ic->ic_curchan;
3046 int delta;
3047
3048 if (IEEE80211_IS_CHAN_5GHZ(c)) {
3049 u_int chan = ieee80211_chan2ieee(ic, c);
3050 delta = sc->rssi_5ghz[rxchain];
3051
3052 /* determine channel group */
3053 if (chan <= 64)
3054 delta -= sc->lna[1];
3055 else if (chan <= 128)
3056 delta -= sc->lna[2];
3057 else
3058 delta -= sc->lna[3];
3059 } else
3060 delta = sc->rssi_2ghz[rxchain] - sc->lna[0];
3061
3062 return (-12 - delta - rssi);
3063 }
3064
3065 static int
3066 run_bbp_init(struct run_softc *sc)
3067 {
3068 int i, error, ntries;
3069 uint8_t bbp0;
3070
3071 /* wait for BBP to wake up */
3072 for (ntries = 0; ntries < 20; ntries++) {
3073 if ((error = run_bbp_read(sc, 0, &bbp0)) != 0)
3074 return (error);
3075 if (bbp0 != 0 && bbp0 != 0xff)
3076 break;
3077 }
3078 if (ntries == 20)
3079 return (ETIMEDOUT);
3080
3081 /* initialize BBP registers to default values */
3082 for (i = 0; i < (int)__arraycount(rt2860_def_bbp); i++) {
3083 run_bbp_write(sc, rt2860_def_bbp[i].reg,
3084 rt2860_def_bbp[i].val);
3085 }
3086
3087 /* fix BBP84 for RT2860E */
3088 if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101)
3089 run_bbp_write(sc, 84, 0x19);
3090
3091 if (sc->mac_ver >= 0x3070) {
3092 run_bbp_write(sc, 79, 0x13);
3093 run_bbp_write(sc, 80, 0x05);
3094 run_bbp_write(sc, 81, 0x33);
3095 } else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) {
3096 run_bbp_write(sc, 69, 0x16);
3097 run_bbp_write(sc, 73, 0x12);
3098 }
3099 return (0);
3100 }
3101
3102 static int
3103 run_rt3070_rf_init(struct run_softc *sc)
3104 {
3105 uint32_t tmp;
3106 uint8_t rf, target, bbp4;
3107 int i;
3108
3109 run_rt3070_rf_read(sc, 30, &rf);
3110 /* toggle RF R30 bit 7 */
3111 run_rt3070_rf_write(sc, 30, rf | 0x80);
3112 DELAY(1000);
3113 run_rt3070_rf_write(sc, 30, rf & ~0x80);
3114
3115 /* initialize RF registers to default value */
3116 if (sc->mac_ver == 0x3572) {
3117 for (i = 0; i < (int)__arraycount(rt3572_def_rf); i++) {
3118 run_rt3070_rf_write(sc, rt3572_def_rf[i].reg,
3119 rt3572_def_rf[i].val);
3120 }
3121 } else {
3122 for (i = 0; i < (int)__arraycount(rt3070_def_rf); i++) {
3123 run_rt3070_rf_write(sc, rt3070_def_rf[i].reg,
3124 rt3070_def_rf[i].val);
3125 }
3126 }
3127 if (sc->mac_ver == 0x3572) {
3128 run_rt3070_rf_read(sc, 6, &rf);
3129 run_rt3070_rf_write(sc, 6, rf | 0x40);
3130
3131 /* increase voltage from 1.2V to 1.35V */
3132 run_read(sc, RT3070_LDO_CFG0, &tmp);
3133 tmp = (tmp & ~0x1f000000) | 0x0d000000;
3134 run_write(sc, RT3070_LDO_CFG0, tmp);
3135 if (sc->mac_rev >= 0x0211 || !sc->patch_dac) {
3136 /* decrease voltage back to 1.2V */
3137 DELAY(1000);
3138 tmp = (tmp & ~0x1f000000) | 0x01000000;
3139 run_write(sc, RT3070_LDO_CFG0, tmp);
3140 }
3141 } else if (sc->mac_ver == 0x3071) {
3142 run_rt3070_rf_read(sc, 6, &rf);
3143 run_rt3070_rf_write(sc, 6, rf | 0x40);
3144 run_rt3070_rf_write(sc, 31, 0x14);
3145
3146 run_read(sc, RT3070_LDO_CFG0, &tmp);
3147 tmp &= ~0x1f000000;
3148 if (sc->mac_rev < 0x0211)
3149 tmp |= 0x0d000000; /* 1.35V */
3150 else
3151 tmp |= 0x01000000; /* 1.2V */
3152 run_write(sc, RT3070_LDO_CFG0, tmp);
3153
3154 /* patch LNA_PE_G1 */
3155 run_read(sc, RT3070_GPIO_SWITCH, &tmp);
3156 run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20);
3157 } else if (sc->mac_ver == 0x3070) {
3158 /* increase voltage from 1.2V to 1.35V */
3159 run_read(sc, RT3070_LDO_CFG0, &tmp);
3160 tmp = (tmp & ~0x0f000000) | 0x0d000000;
3161 run_write(sc, RT3070_LDO_CFG0, tmp);
3162 }
3163
3164 /* select 20MHz bandwidth */
3165 run_rt3070_rf_read(sc, 31, &rf);
3166 run_rt3070_rf_write(sc, 31, rf & ~0x20);
3167
3168 /* calibrate filter for 20MHz bandwidth */
3169 sc->rf24_20mhz = 0x1f; /* default value */
3170 target = (sc->mac_ver < 0x3071) ? 0x16 : 0x13;
3171 run_rt3070_filter_calib(sc, 0x07, target, &sc->rf24_20mhz);
3172
3173 /* select 40MHz bandwidth */
3174 run_bbp_read(sc, 4, &bbp4);
3175 run_bbp_write(sc, 4, (bbp4 & ~0x08) | 0x10);
3176 run_rt3070_rf_read(sc, 31, &rf);
3177 run_rt3070_rf_write(sc, 31, rf | 0x20);
3178
3179 /* calibrate filter for 40MHz bandwidth */
3180 sc->rf24_40mhz = 0x2f; /* default value */
3181 target = (sc->mac_ver < 0x3071) ? 0x19 : 0x15;
3182 run_rt3070_filter_calib(sc, 0x27, target, &sc->rf24_40mhz);
3183
3184 /* go back to 20MHz bandwidth */
3185 run_bbp_read(sc, 4, &bbp4);
3186 run_bbp_write(sc, 4, bbp4 & ~0x18);
3187
3188 if (sc->mac_ver == 0x3572) {
3189 /* save default BBP registers 25 and 26 values */
3190 run_bbp_read(sc, 25, &sc->bbp25);
3191 run_bbp_read(sc, 26, &sc->bbp26);
3192 } else if (sc->mac_rev < 0x0211)
3193 run_rt3070_rf_write(sc, 27, 0x03);
3194
3195 run_read(sc, RT3070_OPT_14, &tmp);
3196 run_write(sc, RT3070_OPT_14, tmp | 1);
3197
3198 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) {
3199 run_rt3070_rf_read(sc, 17, &rf);
3200 rf &= ~RT3070_TX_LO1;
3201 if ((sc->mac_ver == 0x3070 ||
3202 (sc->mac_ver == 0x3071 && sc->mac_rev >= 0x0211)) &&
3203 !sc->ext_2ghz_lna)
3204 rf |= 0x20; /* fix for long range Rx issue */
3205 if (sc->txmixgain_2ghz >= 1)
3206 rf = (rf & ~0x7) | sc->txmixgain_2ghz;
3207 run_rt3070_rf_write(sc, 17, rf);
3208 }
3209 if (sc->mac_ver == 0x3071) {
3210 run_rt3070_rf_read(sc, 1, &rf);
3211 rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD);
3212 rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD;
3213 run_rt3070_rf_write(sc, 1, rf);
3214
3215 run_rt3070_rf_read(sc, 15, &rf);
3216 run_rt3070_rf_write(sc, 15, rf & ~RT3070_TX_LO2);
3217
3218 run_rt3070_rf_read(sc, 20, &rf);
3219 run_rt3070_rf_write(sc, 20, rf & ~RT3070_RX_LO1);
3220
3221 run_rt3070_rf_read(sc, 21, &rf);
3222 run_rt3070_rf_write(sc, 21, rf & ~RT3070_RX_LO2);
3223 }
3224 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) {
3225 /* fix Tx to Rx IQ glitch by raising RF voltage */
3226 run_rt3070_rf_read(sc, 27, &rf);
3227 rf &= ~0x77;
3228 if (sc->mac_rev < 0x0211)
3229 rf |= 0x03;
3230 run_rt3070_rf_write(sc, 27, rf);
3231 }
3232 return (0);
3233 }
3234
3235 static int
3236 run_rt3070_filter_calib(struct run_softc *sc, uint8_t init, uint8_t target,
3237 uint8_t *val)
3238 {
3239 uint8_t rf22, rf24;
3240 uint8_t bbp55_pb, bbp55_sb, delta;
3241 int ntries;
3242
3243 /* program filter */
3244 run_rt3070_rf_read(sc, 24, &rf24);
3245 rf24 = (rf24 & 0xc0) | init; /* initial filter value */
3246 run_rt3070_rf_write(sc, 24, rf24);
3247
3248 /* enable baseband loopback mode */
3249 run_rt3070_rf_read(sc, 22, &rf22);
3250 run_rt3070_rf_write(sc, 22, rf22 | 0x01);
3251
3252 /* set power and frequency of passband test tone */
3253 run_bbp_write(sc, 24, 0x00);
3254 for (ntries = 0; ntries < 100; ntries++) {
3255 /* transmit test tone */
3256 run_bbp_write(sc, 25, 0x90);
3257 DELAY(1000);
3258 /* read received power */
3259 run_bbp_read(sc, 55, &bbp55_pb);
3260 if (bbp55_pb != 0)
3261 break;
3262 }
3263 if (ntries == 100)
3264 return (ETIMEDOUT);
3265
3266 /* set power and frequency of stopband test tone */
3267 run_bbp_write(sc, 24, 0x06);
3268 for (ntries = 0; ntries < 100; ntries++) {
3269 /* transmit test tone */
3270 run_bbp_write(sc, 25, 0x90);
3271 DELAY(1000);
3272 /* read received power */
3273 run_bbp_read(sc, 55, &bbp55_sb);
3274
3275 delta = bbp55_pb - bbp55_sb;
3276 if (delta > target)
3277 break;
3278
3279 /* reprogram filter */
3280 rf24++;
3281 run_rt3070_rf_write(sc, 24, rf24);
3282 }
3283 if (ntries < 100) {
3284 if (rf24 != init)
3285 rf24--; /* backtrack */
3286 *val = rf24;
3287 run_rt3070_rf_write(sc, 24, rf24);
3288 }
3289
3290 /* restore initial state */
3291 run_bbp_write(sc, 24, 0x00);
3292
3293 /* disable baseband loopback mode */
3294 run_rt3070_rf_read(sc, 22, &rf22);
3295 run_rt3070_rf_write(sc, 22, rf22 & ~0x01);
3296
3297 return (0);
3298 }
3299
3300 static void
3301 run_rt3070_rf_setup(struct run_softc *sc)
3302 {
3303 uint8_t bbp, rf;
3304 int i;
3305
3306 if (sc->mac_ver == 0x3572) {
3307 /* enable DC filter */
3308 if (sc->mac_rev >= 0x0201)
3309 run_bbp_write(sc, 103, 0xc0);
3310
3311 run_bbp_read(sc, 138, &bbp);
3312 if (sc->ntxchains == 1)
3313 bbp |= 0x20; /* turn off DAC1 */
3314 if (sc->nrxchains == 1)
3315 bbp &= ~0x02; /* turn off ADC1 */
3316 run_bbp_write(sc, 138, bbp);
3317
3318 if (sc->mac_rev >= 0x0211) {
3319 /* improve power consumption */
3320 run_bbp_read(sc, 31, &bbp);
3321 run_bbp_write(sc, 31, bbp & ~0x03);
3322 }
3323
3324 run_rt3070_rf_read(sc, 16, &rf);
3325 rf = (rf & ~0x07) | sc->txmixgain_2ghz;
3326 run_rt3070_rf_write(sc, 16, rf);
3327 } else if (sc->mac_ver == 0x3071) {
3328 /* enable DC filter */
3329 if (sc->mac_rev >= 0x0201)
3330 run_bbp_write(sc, 103, 0xc0);
3331
3332 run_bbp_read(sc, 138, &bbp);
3333 if (sc->ntxchains == 1)
3334 bbp |= 0x20; /* turn off DAC1 */
3335 if (sc->nrxchains == 1)
3336 bbp &= ~0x02; /* turn off ADC1 */
3337 run_bbp_write(sc, 138, bbp);
3338
3339 if (sc->mac_rev >= 0x0211) {
3340 /* improve power consumption */
3341 run_bbp_read(sc, 31, &bbp);
3342 run_bbp_write(sc, 31, bbp & ~0x03);
3343 }
3344
3345 run_write(sc, RT2860_TX_SW_CFG1, 0);
3346 if (sc->mac_rev < 0x0211) {
3347 run_write(sc, RT2860_TX_SW_CFG2,
3348 sc->patch_dac ? 0x2c : 0x0f);
3349 } else
3350 run_write(sc, RT2860_TX_SW_CFG2, 0);
3351 } else if (sc->mac_ver == 0x3070) {
3352 if (sc->mac_rev >= 0x0201) {
3353 /* enable DC filter */
3354 run_bbp_write(sc, 103, 0xc0);
3355
3356 /* improve power consumption */
3357 run_bbp_read(sc, 31, &bbp);
3358 run_bbp_write(sc, 31, bbp & ~0x03);
3359 }
3360
3361 if (sc->mac_rev < 0x0211) {
3362 run_write(sc, RT2860_TX_SW_CFG1, 0);
3363 run_write(sc, RT2860_TX_SW_CFG2, 0x2c);
3364 } else
3365 run_write(sc, RT2860_TX_SW_CFG2, 0);
3366 }
3367
3368 /* initialize RF registers from ROM for >=RT3071*/
3369 if (sc->mac_ver >= 0x3071) {
3370 for (i = 0; i < 10; i++) {
3371 if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff)
3372 continue;
3373 run_rt3070_rf_write(sc, sc->rf[i].reg, sc->rf[i].val);
3374 }
3375 }
3376 }
3377
3378 static int
3379 run_txrx_enable(struct run_softc *sc)
3380 {
3381 uint32_t tmp;
3382 int error, ntries;
3383
3384 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN);
3385 for (ntries = 0; ntries < 200; ntries++) {
3386 if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0)
3387 return (error);
3388 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
3389 break;
3390 DELAY(1000);
3391 }
3392 if (ntries == 200)
3393 return (ETIMEDOUT);
3394
3395 DELAY(50);
3396
3397 tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | RT2860_TX_WB_DDONE;
3398 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
3399
3400 /* enable Rx bulk aggregation (set timeout and limit) */
3401 tmp = RT2860_USB_TX_EN | RT2860_USB_RX_EN | RT2860_USB_RX_AGG_EN |
3402 RT2860_USB_RX_AGG_TO(128) | RT2860_USB_RX_AGG_LMT(2);
3403 run_write(sc, RT2860_USB_DMA_CFG, tmp);
3404
3405 /* set Rx filter */
3406 tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR;
3407 if (sc->sc_ic.ic_opmode != IEEE80211_M_MONITOR) {
3408 tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL |
3409 RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK |
3410 RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV |
3411 RT2860_DROP_CFACK | RT2860_DROP_CFEND;
3412 if (sc->sc_ic.ic_opmode == IEEE80211_M_STA)
3413 tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL;
3414 }
3415 run_write(sc, RT2860_RX_FILTR_CFG, tmp);
3416
3417 run_write(sc, RT2860_MAC_SYS_CTRL,
3418 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
3419
3420 return (0);
3421 }
3422
3423 static int
3424 run_init(struct ifnet *ifp)
3425 {
3426 struct run_softc *sc = ifp->if_softc;
3427 struct ieee80211com *ic = &sc->sc_ic;
3428 uint32_t tmp;
3429 uint8_t bbp1, bbp3;
3430 int i, error, qid, ridx, ntries;
3431
3432 for (ntries = 0; ntries < 100; ntries++) {
3433 if ((error = run_read(sc, RT2860_ASIC_VER_ID, &tmp)) != 0)
3434 goto fail;
3435 if (tmp != 0 && tmp != 0xffffffff)
3436 break;
3437 DELAY(10);
3438 }
3439 if (ntries == 100) {
3440 error = ETIMEDOUT;
3441 goto fail;
3442 }
3443
3444 if ((sc->sc_flags & RUN_FWLOADED) == 0 &&
3445 (error = run_load_microcode(sc)) != 0) {
3446 aprint_error_dev(sc->sc_dev,
3447 "could not load 8051 microcode\n");
3448 goto fail;
3449 }
3450
3451 if (ifp->if_flags & IFF_RUNNING)
3452 run_stop(ifp, 0);
3453
3454 /* init host command ring */
3455 sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0;
3456
3457 /* init Tx rings (4 EDCAs) */
3458 for (qid = 0; qid < 4; qid++) {
3459 if ((error = run_alloc_tx_ring(sc, qid)) != 0)
3460 goto fail;
3461 }
3462 /* init Rx ring */
3463 if ((error = run_alloc_rx_ring(sc)) != 0)
3464 goto fail;
3465
3466 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl));
3467 run_set_macaddr(sc, ic->ic_myaddr);
3468
3469 for (ntries = 0; ntries < 100; ntries++) {
3470 if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0)
3471 goto fail;
3472 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
3473 break;
3474 DELAY(1000);
3475 }
3476 if (ntries == 100) {
3477 aprint_error_dev(sc->sc_dev,
3478 "timeout waiting for DMA engine\n");
3479 error = ETIMEDOUT;
3480 goto fail;
3481 }
3482 tmp &= 0xff0;
3483 tmp |= RT2860_TX_WB_DDONE;
3484 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
3485
3486 /* turn off PME_OEN to solve high-current issue */
3487 run_read(sc, RT2860_SYS_CTRL, &tmp);
3488 run_write(sc, RT2860_SYS_CTRL, tmp & ~RT2860_PME_OEN);
3489
3490 run_write(sc, RT2860_MAC_SYS_CTRL,
3491 RT2860_BBP_HRST | RT2860_MAC_SRST);
3492 run_write(sc, RT2860_USB_DMA_CFG, 0);
3493
3494 if ((error = run_reset(sc)) != 0) {
3495 aprint_error_dev(sc->sc_dev, "could not reset chipset\n");
3496 goto fail;
3497 }
3498
3499 run_write(sc, RT2860_MAC_SYS_CTRL, 0);
3500
3501 /* init Tx power for all Tx rates (from EEPROM) */
3502 for (ridx = 0; ridx < 5; ridx++) {
3503 if (sc->txpow20mhz[ridx] == 0xffffffff)
3504 continue;
3505 run_write(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]);
3506 }
3507
3508 for (i = 0; i < (int)__arraycount(rt2870_def_mac); i++)
3509 run_write(sc, rt2870_def_mac[i].reg, rt2870_def_mac[i].val);
3510 run_write(sc, RT2860_WMM_AIFSN_CFG, 0x00002273);
3511 run_write(sc, RT2860_WMM_CWMIN_CFG, 0x00002344);
3512 run_write(sc, RT2860_WMM_CWMAX_CFG, 0x000034aa);
3513
3514 if (sc->mac_ver >= 0x3070) {
3515 /* set delay of PA_PE assertion to 1us (unit of 0.25us) */
3516 run_write(sc, RT2860_TX_SW_CFG0,
3517 4 << RT2860_DLY_PAPE_EN_SHIFT);
3518 }
3519
3520 /* wait while MAC is busy */
3521 for (ntries = 0; ntries < 100; ntries++) {
3522 if ((error = run_read(sc, RT2860_MAC_STATUS_REG, &tmp)) != 0)
3523 goto fail;
3524 if (!(tmp & (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY)))
3525 break;
3526 DELAY(1000);
3527 }
3528 if (ntries == 100) {
3529 error = ETIMEDOUT;
3530 goto fail;
3531 }
3532
3533 /* clear Host to MCU mailbox */
3534 run_write(sc, RT2860_H2M_BBPAGENT, 0);
3535 run_write(sc, RT2860_H2M_MAILBOX, 0);
3536 DELAY(1000);
3537
3538 if ((error = run_bbp_init(sc)) != 0) {
3539 aprint_error_dev(sc->sc_dev, "could not initialize BBP\n");
3540 goto fail;
3541 }
3542
3543 run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
3544 tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
3545 RT2860_TBTT_TIMER_EN);
3546 run_write(sc, RT2860_BCN_TIME_CFG, tmp);
3547
3548 /* clear RX WCID search table */
3549 run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512);
3550 /* clear Pair-wise key table */
3551 run_set_region_4(sc, RT2860_PKEY(0), 0, 2048);
3552 /* clear IV/EIV table */
3553 run_set_region_4(sc, RT2860_IVEIV(0), 0, 512);
3554 /* clear WCID attribute table */
3555 run_set_region_4(sc, RT2860_WCID_ATTR(0), 0, 8 * 32);
3556 /* clear shared key table */
3557 run_set_region_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32);
3558 /* clear shared key mode */
3559 run_set_region_4(sc, RT2860_SKEY_MODE_0_7, 0, 4);
3560
3561 run_read(sc, RT2860_US_CYC_CNT, &tmp);
3562 tmp = (tmp & ~0xff) | 0x1e;
3563 run_write(sc, RT2860_US_CYC_CNT, tmp);
3564
3565 if (sc->mac_rev != 0x0101)
3566 run_write(sc, RT2860_TXOP_CTRL_CFG, 0x0000583f);
3567
3568 run_write(sc, RT2860_WMM_TXOP0_CFG, 0);
3569 run_write(sc, RT2860_WMM_TXOP1_CFG, 48 << 16 | 96);
3570
3571 /* write vendor-specific BBP values (from EEPROM) */
3572 for (i = 0; i < 8; i++) {
3573 if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff)
3574 continue;
3575 run_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val);
3576 }
3577
3578 /* select Main antenna for 1T1R devices */
3579 if (sc->rf_rev == RT3070_RF_3020)
3580 run_set_rx_antenna(sc, 0);
3581
3582 /* send LEDs operating mode to microcontroller */
3583 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0]);
3584 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1]);
3585 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2]);
3586
3587 if (sc->mac_ver >= 0x3070)
3588 run_rt3070_rf_init(sc);
3589
3590 /* disable non-existing Rx chains */
3591 run_bbp_read(sc, 3, &bbp3);
3592 bbp3 &= ~(1 << 3 | 1 << 4);
3593 if (sc->nrxchains == 2)
3594 bbp3 |= 1 << 3;
3595 else if (sc->nrxchains == 3)
3596 bbp3 |= 1 << 4;
3597 run_bbp_write(sc, 3, bbp3);
3598
3599 /* disable non-existing Tx chains */
3600 run_bbp_read(sc, 1, &bbp1);
3601 if (sc->ntxchains == 1)
3602 bbp1 &= ~(1 << 3 | 1 << 4);
3603 run_bbp_write(sc, 1, bbp1);
3604
3605 if (sc->mac_ver >= 0x3070)
3606 run_rt3070_rf_setup(sc);
3607
3608 /* select default channel */
3609 run_set_chan(sc, ic->ic_curchan);
3610
3611 /* turn radio LED on */
3612 run_set_leds(sc, RT2860_LED_RADIO);
3613
3614 #ifdef RUN_HWCRYPTO
3615 if (ic->ic_flags & IEEE80211_F_PRIVACY) {
3616 /* install WEP keys */
3617 for (i = 0; i < IEEE80211_WEP_NKID; i++)
3618 (void)run_set_key(ic, &ic->ic_crypto.cs_nw_keys[i],
3619 NULL);
3620 }
3621 #endif
3622
3623 for (i = 0; i < RUN_RX_RING_COUNT; i++) {
3624 struct run_rx_data *data = &sc->rxq.data[i];
3625
3626 usbd_setup_xfer(data->xfer, sc->rxq.pipeh, data, data->buf,
3627 RUN_MAX_RXSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY,
3628 USBD_NO_TIMEOUT, run_rxeof);
3629 error = usbd_transfer(data->xfer);
3630 if (error != USBD_NORMAL_COMPLETION &&
3631 error != USBD_IN_PROGRESS)
3632 goto fail;
3633 }
3634
3635 if ((error = run_txrx_enable(sc)) != 0)
3636 goto fail;
3637
3638 ifp->if_flags &= ~IFF_OACTIVE;
3639 ifp->if_flags |= IFF_RUNNING;
3640
3641 if (ic->ic_opmode == IEEE80211_M_MONITOR)
3642 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
3643 else
3644 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
3645
3646 if (error != 0)
3647 fail: run_stop(ifp, 1);
3648 return (error);
3649 }
3650
3651 static void
3652 run_stop(struct ifnet *ifp, int disable)
3653 {
3654 struct run_softc *sc = ifp->if_softc;
3655 struct ieee80211com *ic = &sc->sc_ic;
3656 uint32_t tmp;
3657 int ntries, qid;
3658
3659 if (ifp->if_flags & IFF_RUNNING)
3660 run_set_leds(sc, 0); /* turn all LEDs off */
3661
3662 sc->sc_tx_timer = 0;
3663 ifp->if_timer = 0;
3664 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
3665
3666 callout_stop(&sc->scan_to);
3667 callout_stop(&sc->calib_to);
3668
3669 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
3670 /* wait for all queued asynchronous commands to complete */
3671 while (sc->cmdq.queued > 0)
3672 tsleep(&sc->cmdq, 0, "cmdq", 0);
3673
3674 /* disable Tx/Rx */
3675 run_read(sc, RT2860_MAC_SYS_CTRL, &tmp);
3676 tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
3677 run_write(sc, RT2860_MAC_SYS_CTRL, tmp);
3678
3679 /* wait for pending Tx to complete */
3680 for (ntries = 0; ntries < 100; ntries++) {
3681 if (run_read(sc, RT2860_TXRXQ_PCNT, &tmp) != 0)
3682 break;
3683 if ((tmp & RT2860_TX2Q_PCNT_MASK) == 0)
3684 break;
3685 }
3686 DELAY(1000);
3687 run_write(sc, RT2860_USB_DMA_CFG, 0);
3688
3689 /* reset adapter */
3690 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST);
3691 run_write(sc, RT2860_MAC_SYS_CTRL, 0);
3692
3693 /* reset Tx and Rx rings */
3694 sc->qfullmsk = 0;
3695 for (qid = 0; qid < 4; qid++)
3696 run_free_tx_ring(sc, qid);
3697 run_free_rx_ring(sc);
3698 }
3699
3700 #ifndef IEEE80211_STA_ONLY
3701 static int
3702 run_setup_beacon(struct run_softc *sc)
3703 {
3704 struct ieee80211com *ic = &sc->sc_ic;
3705 struct rt2860_txwi txwi;
3706 struct mbuf *m;
3707 int ridx;
3708
3709 if ((m = ieee80211_beacon_alloc(ic, ic->ic_bss, &sc->sc_bo)) == NULL)
3710 return (ENOBUFS);
3711
3712 memset(&txwi, 0, sizeof txwi);
3713 txwi.wcid = 0xff;
3714 txwi.len = htole16(m->m_pkthdr.len);
3715 /* send beacons at the lowest available rate */
3716 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
3717 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
3718 txwi.phy = htole16(rt2860_rates[ridx].mcs);
3719 if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM)
3720 txwi.phy |= htole16(RT2860_PHY_OFDM);
3721 txwi.txop = RT2860_TX_TXOP_HT;
3722 txwi.flags = RT2860_TX_TS;
3723
3724 run_write_region_1(sc, RT2860_BCN_BASE(0),
3725 (uint8_t *)&txwi, sizeof txwi);
3726 run_write_region_1(sc, RT2860_BCN_BASE(0) + sizeof txwi,
3727 mtod(m, uint8_t *), m->m_pkthdr.len);
3728
3729 m_freem(m);
3730
3731 return (0);
3732 }
3733 #endif
3734
3735 MODULE(MODULE_CLASS_DRIVER, if_run, "bpf");
3736
3737 #ifdef _MODULE
3738 #include "ioconf.c"
3739 #endif
3740
3741 static int
3742 if_run_modcmd(modcmd_t cmd, void *arg)
3743 {
3744 int error = 0;
3745
3746 switch (cmd) {
3747 case MODULE_CMD_INIT:
3748 #ifdef _MODULE
3749 error = config_init_component(cfdriver_ioconf_run,
3750 cfattach_ioconf_run, cfdata_ioconf_run);
3751 #endif
3752 return (error);
3753 case MODULE_CMD_FINI:
3754 #ifdef _MODULE
3755 error = config_fini_component(cfdriver_ioconf_run,
3756 cfattach_ioconf_run, cfdata_ioconf_run);
3757 #endif
3758 return (error);
3759 default:
3760 return (ENOTTY);
3761 }
3762 }
3763