xref: /openbsd-src/sys/dev/usb/if_run.c (revision 8550894424f8a4aa4aafb6cd57229dd6ed7cd9dd)
1 /*	$OpenBSD: if_run.c,v 1.137 2022/05/10 08:20:36 stsp Exp $	*/
2 
3 /*-
4  * Copyright (c) 2008-2010 Damien Bergamini <damien.bergamini@free.fr>
5  * Copyright (c) 2013-2014 Kevin Lo
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/RT3900E chipset driver.
22  * http://www.ralinktech.com/
23  */
24 
25 #include "bpfilter.h"
26 
27 #include <sys/param.h>
28 #include <sys/sockio.h>
29 #include <sys/mbuf.h>
30 #include <sys/kernel.h>
31 #include <sys/socket.h>
32 #include <sys/systm.h>
33 #include <sys/timeout.h>
34 #include <sys/conf.h>
35 #include <sys/device.h>
36 #include <sys/endian.h>
37 
38 #include <machine/intr.h>
39 
40 #if NBPFILTER > 0
41 #include <net/bpf.h>
42 #endif
43 #include <net/if.h>
44 #include <net/if_dl.h>
45 #include <net/if_media.h>
46 
47 #include <netinet/in.h>
48 #include <netinet/if_ether.h>
49 
50 #include <net80211/ieee80211_var.h>
51 #include <net80211/ieee80211_amrr.h>
52 #include <net80211/ieee80211_radiotap.h>
53 
54 #include <dev/usb/usb.h>
55 #include <dev/usb/usbdi.h>
56 #include <dev/usb/usbdi_util.h>
57 #include <dev/usb/usbdevs.h>
58 
59 #include <dev/ic/rt2860reg.h>		/* shared with ral(4) */
60 #include <dev/usb/if_runvar.h>
61 
62 #ifdef RUN_DEBUG
63 #define DPRINTF(x)	do { if (run_debug) printf x; } while (0)
64 #define DPRINTFN(n, x)	do { if (run_debug >= (n)) printf x; } while (0)
65 int run_debug = 0;
66 #else
67 #define DPRINTF(x)
68 #define DPRINTFN(n, x)
69 #endif
70 
71 #define USB_ID(v, p)	{ USB_VENDOR_##v, USB_PRODUCT_##v##_##p }
72 static const struct usb_devno run_devs[] = {
73 	USB_ID(ABOCOM,		RT2770),
74 	USB_ID(ABOCOM,		RT2870),
75 	USB_ID(ABOCOM,		RT3070),
76 	USB_ID(ABOCOM,		RT3071),
77 	USB_ID(ABOCOM,		RT3072),
78 	USB_ID(ABOCOM2,		RT2870_1),
79 	USB_ID(ACCTON,		RT2770),
80 	USB_ID(ACCTON,		RT2870_1),
81 	USB_ID(ACCTON,		RT2870_2),
82 	USB_ID(ACCTON,		RT2870_3),
83 	USB_ID(ACCTON,		RT2870_4),
84 	USB_ID(ACCTON,		RT2870_5),
85 	USB_ID(ACCTON,		RT3070),
86 	USB_ID(ACCTON,		RT3070_1),
87 	USB_ID(ACCTON,		RT3070_2),
88 	USB_ID(ACCTON,		RT3070_3),
89 	USB_ID(ACCTON,		RT3070_4),
90 	USB_ID(ACCTON,		RT3070_5),
91 	USB_ID(ACCTON,		RT3070_6),
92 	USB_ID(AIRTIES,		RT3070),
93 	USB_ID(AIRTIES,		RT3070_2),
94 	USB_ID(ALLWIN,		RT2070),
95 	USB_ID(ALLWIN,		RT2770),
96 	USB_ID(ALLWIN,		RT2870),
97 	USB_ID(ALLWIN,		RT3070),
98 	USB_ID(ALLWIN,		RT3071),
99 	USB_ID(ALLWIN,		RT3072),
100 	USB_ID(ALLWIN,		RT3572),
101 	USB_ID(AMIGO,		RT2870_1),
102 	USB_ID(AMIGO,		RT2870_2),
103 	USB_ID(AMIT,		CGWLUSB2GNR),
104 	USB_ID(AMIT,		RT2870_1),
105 	USB_ID(AMIT2,		RT2870),
106 	USB_ID(ASUS,		RT2870_1),
107 	USB_ID(ASUS,		RT2870_2),
108 	USB_ID(ASUS,		RT2870_3),
109 	USB_ID(ASUS,		RT2870_4),
110 	USB_ID(ASUS,		RT2870_5),
111 	USB_ID(ASUS,		RT3070_1),
112 	USB_ID(ASUS,		USBN13),
113 	USB_ID(ASUS,		USBN53),
114 	USB_ID(ASUS,		USBN66),
115 	USB_ID(ASUS2,		USBN11),
116 	USB_ID(AZUREWAVE,	RT2870_1),
117 	USB_ID(AZUREWAVE,	RT2870_2),
118 	USB_ID(AZUREWAVE,	RT3070_1),
119 	USB_ID(AZUREWAVE,	RT3070_2),
120 	USB_ID(AZUREWAVE,	RT3070_3),
121 	USB_ID(AZUREWAVE,	RT3070_4),
122 	USB_ID(AZUREWAVE,	RT3070_5),
123 	USB_ID(BELKIN,		F9L1103),
124 	USB_ID(BELKIN,		F5D8053V3),
125 	USB_ID(BELKIN,		F5D8055),
126 	USB_ID(BELKIN,		F5D8055V2),
127 	USB_ID(BELKIN,		F6D4050V1),
128 	USB_ID(BELKIN,		F6D4050V2),
129 	USB_ID(BELKIN,		F7D1101V2),
130 	USB_ID(BELKIN,		RT2870_1),
131 	USB_ID(BELKIN,		RT2870_2),
132 	USB_ID(BEWAN,		RT3070),
133 	USB_ID(CISCOLINKSYS,	AE1000),
134 	USB_ID(CISCOLINKSYS,	AM10),
135 	USB_ID(CISCOLINKSYS2,	RT3070),
136 	USB_ID(CISCOLINKSYS3,	RT3070),
137 	USB_ID(CONCEPTRONIC2,	RT2870_1),
138 	USB_ID(CONCEPTRONIC2,	RT2870_2),
139 	USB_ID(CONCEPTRONIC2,	RT2870_3),
140 	USB_ID(CONCEPTRONIC2,	RT2870_5),
141 	USB_ID(CONCEPTRONIC2,	RT2870_6),
142 	USB_ID(CONCEPTRONIC2,	RT2870_7),
143 	USB_ID(CONCEPTRONIC2,	RT2870_8),
144 	USB_ID(CONCEPTRONIC2,	RT3070_1),
145 	USB_ID(CONCEPTRONIC2,	RT3070_2),
146 	USB_ID(CONCEPTRONIC2,	RT3070_3),
147 	USB_ID(CONCEPTRONIC2,	VIGORN61),
148 	USB_ID(COREGA,		CGWLUSB300GNM),
149 	USB_ID(COREGA,		RT2870_1),
150 	USB_ID(COREGA,		RT2870_2),
151 	USB_ID(COREGA,		RT2870_3),
152 	USB_ID(COREGA,		RT3070),
153 	USB_ID(CYBERTAN,	RT2870),
154 	USB_ID(DLINK,		DWA125B2),
155 	USB_ID(DLINK,		DWA127),
156 	USB_ID(DLINK,		DWA130F1),
157 	USB_ID(DLINK,		DWA137A1),
158 	USB_ID(DLINK,		DWA140B3),
159 	USB_ID(DLINK,		DWA140D1),
160 	USB_ID(DLINK,		DWA160B2),
161 	USB_ID(DLINK,	 	DWA162),
162 	USB_ID(DLINK,		RT2870),
163 	USB_ID(DLINK,		RT3072),
164 	USB_ID(DLINK2,		DWA130),
165 	USB_ID(DLINK2,		RT2870_1),
166 	USB_ID(DLINK2,		RT2870_2),
167 	USB_ID(DLINK2,		RT3070_1),
168 	USB_ID(DLINK2,		RT3070_2),
169 	USB_ID(DLINK2,		RT3070_3),
170 	USB_ID(DLINK2,		RT3070_4),
171 	USB_ID(DLINK2,		RT3070_5),
172 	USB_ID(DLINK2,		RT3072),
173 	USB_ID(DLINK2,		RT3072_1),
174 	USB_ID(DVICO,		RT3070),
175 	USB_ID(EDIMAX,		EW7717),
176 	USB_ID(EDIMAX,		EW7718),
177 	USB_ID(EDIMAX,		EW7722UTN),
178 	USB_ID(EDIMAX,		RT2870_1),
179 	USB_ID(ENCORE,		RT3070_1),
180 	USB_ID(ENCORE,		RT3070_2),
181 	USB_ID(ENCORE,		RT3070_3),
182 	USB_ID(GIGABYTE,	GNWB31N),
183 	USB_ID(GIGABYTE,	GNWB32L),
184 	USB_ID(GIGABYTE,	RT2870_1),
185 	USB_ID(GIGASET,		RT3070_1),
186 	USB_ID(GIGASET,		RT3070_2),
187 	USB_ID(GUILLEMOT,	HWNU300),
188 	USB_ID(HAWKING,		HWDN2),
189 	USB_ID(HAWKING,		HWUN2),
190 	USB_ID(HAWKING,		RT2870_1),
191 	USB_ID(HAWKING,		RT2870_2),
192 	USB_ID(HAWKING,		RT2870_3),
193 	USB_ID(HAWKING,		RT2870_4),
194 	USB_ID(HAWKING,		RT2870_5),
195 	USB_ID(IODATA,		RT3072_1),
196 	USB_ID(IODATA,		RT3072_2),
197 	USB_ID(IODATA,		RT3072_3),
198 	USB_ID(IODATA,		RT3072_4),
199 	USB_ID(LINKSYS4,	RT3070),
200 	USB_ID(LINKSYS4,	WUSB100),
201 	USB_ID(LINKSYS4,	WUSB54GCV3),
202 	USB_ID(LINKSYS4,	WUSB600N),
203 	USB_ID(LINKSYS4,	WUSB600NV2),
204 	USB_ID(LOGITEC,		LANW150NU2),
205 	USB_ID(LOGITEC,		LANW300NU2),
206 	USB_ID(LOGITEC,		LANW300NU2S),
207 	USB_ID(LOGITEC,		RT2870_1),
208 	USB_ID(LOGITEC,		RT2870_2),
209 	USB_ID(LOGITEC,		RT2870_3),
210 	USB_ID(MELCO,		RT2870_1),
211 	USB_ID(MELCO,		RT2870_2),
212 	USB_ID(MELCO,		WLIUCAG300N),
213 	USB_ID(MELCO,		WLIUCG300N),
214 	USB_ID(MELCO,		WLIUCG301N),
215 	USB_ID(MELCO,		WLIUCGN),
216 	USB_ID(MELCO,		WLIUCGNHP),
217 	USB_ID(MELCO,		WLIUCGNM),
218 	USB_ID(MELCO,		WLIUCGNM2),
219 	USB_ID(MOTOROLA4,	RT2770),
220 	USB_ID(MOTOROLA4,	RT3070),
221 	USB_ID(MSI,		RT3070_1),
222 	USB_ID(MSI,		RT3070_2),
223 	USB_ID(MSI,		RT3070_3),
224 	USB_ID(MSI,		RT3070_4),
225 	USB_ID(MSI,		RT3070_5),
226 	USB_ID(MSI,		RT3070_6),
227 	USB_ID(MSI,		RT3070_7),
228 	USB_ID(MSI,		RT3070_8),
229 	USB_ID(MSI,		RT3070_9),
230 	USB_ID(MSI,		RT3070_10),
231 	USB_ID(MSI,		RT3070_11),
232 	USB_ID(MSI,		RT3070_12),
233 	USB_ID(MSI,		RT3070_13),
234 	USB_ID(MSI,		RT3070_14),
235 	USB_ID(MSI,		RT3070_15),
236 	USB_ID(OVISLINK,	RT3071),
237 	USB_ID(OVISLINK,	RT3072),
238 	USB_ID(PARA,		RT3070),
239 	USB_ID(PEGATRON,	RT2870),
240 	USB_ID(PEGATRON,	RT3070),
241 	USB_ID(PEGATRON,	RT3070_2),
242 	USB_ID(PEGATRON,	RT3070_3),
243 	USB_ID(PEGATRON,	RT3072),
244 	USB_ID(PHILIPS,		RT2870),
245 	USB_ID(PLANEX2,		GWUS300MINIS),
246 	USB_ID(PLANEX2,		GWUSMICRO300),
247 	USB_ID(PLANEX2,		GWUSMICRON),
248 	USB_ID(PLANEX2,		RT2870),
249 	USB_ID(PLANEX2,		RT3070),
250 	USB_ID(QCOM,		RT2870),
251 	USB_ID(QUANTA,		RT3070),
252 	USB_ID(RALINK,		RT2070),
253 	USB_ID(RALINK,		RT2770),
254 	USB_ID(RALINK,		RT2870),
255 	USB_ID(RALINK,		RT3070),
256 	USB_ID(RALINK,		RT3071),
257 	USB_ID(RALINK,		RT3072),
258 	USB_ID(RALINK,		RT3370),
259 	USB_ID(RALINK,		RT3572),
260 	USB_ID(RALINK,		RT3573),
261 	USB_ID(RALINK,		RT5370),
262 	USB_ID(RALINK,		RT5372),
263 	USB_ID(RALINK,		RT5572),
264 	USB_ID(RALINK,		RT8070),
265 	USB_ID(SAMSUNG,		WIS09ABGN),
266 	USB_ID(SAMSUNG2,	RT2870_1),
267 	USB_ID(SENAO,		RT2870_1),
268 	USB_ID(SENAO,		RT2870_2),
269 	USB_ID(SENAO,		RT2870_3),
270 	USB_ID(SENAO,		RT2870_4),
271 	USB_ID(SENAO,		RT3070),
272 	USB_ID(SENAO,		RT3071),
273 	USB_ID(SENAO,		RT3072_1),
274 	USB_ID(SENAO,		RT3072_2),
275 	USB_ID(SENAO,		RT3072_3),
276 	USB_ID(SENAO,		RT3072_4),
277 	USB_ID(SENAO,		RT3072_5),
278 	USB_ID(SITECOMEU,	WL302),
279 	USB_ID(SITECOMEU,	WL315),
280 	USB_ID(SITECOMEU,	WL321),
281 	USB_ID(SITECOMEU,	RT3070_3),
282 	USB_ID(SITECOMEU,	WL302),
283 	USB_ID(SITECOMEU,	WL344),
284 	USB_ID(SITECOMEU,	WL329),
285 	USB_ID(SITECOMEU,	WL345),
286 	USB_ID(SITECOMEU,	RT2870_1),
287 	USB_ID(SITECOMEU,	RT2870_2),
288 	USB_ID(SITECOMEU,	RT2870_3),
289 	USB_ID(SITECOMEU,	RT3070_1),
290 	USB_ID(SITECOMEU,	RT3072_3),
291 	USB_ID(SITECOMEU,	RT3072_4),
292 	USB_ID(SITECOMEU,	RT3072_5),
293 	USB_ID(SITECOMEU,	RT3072_6),
294 	USB_ID(SITECOMEU,	WL302),
295 	USB_ID(SITECOMEU,	WL315),
296 	USB_ID(SITECOMEU,	WL321),
297 	USB_ID(SITECOMEU,	WL324),
298 	USB_ID(SITECOMEU,	WL329),
299 	USB_ID(SITECOMEU,	WL343),
300 	USB_ID(SITECOMEU,	WL344),
301 	USB_ID(SITECOMEU,	WL345),
302 	USB_ID(SITECOMEU,	WL349V4),
303 	USB_ID(SITECOMEU,	WL608),
304 	USB_ID(SITECOMEU,	WLA4000),
305 	USB_ID(SITECOMEU,	WLA5000),
306 	USB_ID(SPARKLAN,	RT2870_1),
307 	USB_ID(SPARKLAN,	RT2870_2),
308 	USB_ID(SPARKLAN,	RT3070),
309 	USB_ID(SWEEX2,		LW153),
310 	USB_ID(SWEEX2,		LW303),
311 	USB_ID(SWEEX2,		LW313),
312 	USB_ID(TOSHIBA,		RT3070),
313 	USB_ID(UMEDIA,		RT2870_1),
314 	USB_ID(UMEDIA,		TEW645UB),
315 	USB_ID(ZCOM,		RT2870_1),
316 	USB_ID(ZCOM,		RT2870_2),
317 	USB_ID(ZINWELL,		RT2870_1),
318 	USB_ID(ZINWELL,		RT2870_2),
319 	USB_ID(ZINWELL,		RT3070),
320 	USB_ID(ZINWELL,		RT3072_1),
321 	USB_ID(ZINWELL,		RT3072_2),
322 	USB_ID(ZYXEL,		NWD2105),
323 	USB_ID(ZYXEL,		NWD211AN),
324 	USB_ID(ZYXEL,		RT2870_1),
325 	USB_ID(ZYXEL,		RT2870_2),
326 	USB_ID(ZYXEL,		RT3070)
327 };
328 
329 int		run_match(struct device *, void *, void *);
330 void		run_attach(struct device *, struct device *, void *);
331 int		run_detach(struct device *, int);
332 int		run_alloc_rx_ring(struct run_softc *);
333 void		run_free_rx_ring(struct run_softc *);
334 int		run_alloc_tx_ring(struct run_softc *, int);
335 void		run_free_tx_ring(struct run_softc *, int);
336 int		run_load_microcode(struct run_softc *);
337 int		run_reset(struct run_softc *);
338 int		run_read(struct run_softc *, uint16_t, uint32_t *);
339 int		run_read_region_1(struct run_softc *, uint16_t, uint8_t *,
340 		    int);
341 int		run_write_2(struct run_softc *, uint16_t, uint16_t);
342 int		run_write(struct run_softc *, uint16_t, uint32_t);
343 int		run_write_region_1(struct run_softc *, uint16_t,
344 		    const uint8_t *, int);
345 int		run_set_region_4(struct run_softc *, uint16_t, uint32_t, int);
346 int		run_efuse_read(struct run_softc *, uint16_t, uint16_t *);
347 int		run_efuse_read_2(struct run_softc *, uint16_t, uint16_t *);
348 int		run_eeprom_read_2(struct run_softc *, uint16_t, uint16_t *);
349 int		run_rt2870_rf_write(struct run_softc *, uint8_t, uint32_t);
350 int		run_rt3070_rf_read(struct run_softc *, uint8_t, uint8_t *);
351 int		run_rt3070_rf_write(struct run_softc *, uint8_t, uint8_t);
352 int		run_bbp_read(struct run_softc *, uint8_t, uint8_t *);
353 int		run_bbp_write(struct run_softc *, uint8_t, uint8_t);
354 int		run_mcu_cmd(struct run_softc *, uint8_t, uint16_t);
355 const char *	run_get_rf(int);
356 void		run_get_txpower(struct run_softc *);
357 void		run_rt3593_get_txpower(struct run_softc *);
358 int		run_read_eeprom(struct run_softc *);
359 struct		ieee80211_node *run_node_alloc(struct ieee80211com *);
360 int		run_media_change(struct ifnet *);
361 void		run_next_scan(void *);
362 void		run_task(void *);
363 void		run_do_async(struct run_softc *, void (*)(struct run_softc *,
364 		    void *), void *, int);
365 int		run_newstate(struct ieee80211com *, enum ieee80211_state, int);
366 void		run_newstate_cb(struct run_softc *, void *);
367 void		run_updateedca(struct ieee80211com *);
368 void		run_updateedca_cb(struct run_softc *, void *);
369 int		run_set_key(struct ieee80211com *, struct ieee80211_node *,
370 		    struct ieee80211_key *);
371 void		run_set_key_cb(struct run_softc *, void *);
372 void		run_delete_key(struct ieee80211com *, struct ieee80211_node *,
373 		    struct ieee80211_key *);
374 void		run_delete_key_cb(struct run_softc *, void *);
375 void		run_calibrate_to(void *);
376 void		run_calibrate_cb(struct run_softc *, void *);
377 void		run_newassoc(struct ieee80211com *, struct ieee80211_node *,
378 		    int);
379 void		run_rx_frame(struct run_softc *, uint8_t *, int,
380 		    struct mbuf_list *);
381 void		run_rxeof(struct usbd_xfer *, void *, usbd_status);
382 void		run_txeof(struct usbd_xfer *, void *, usbd_status);
383 int		run_tx(struct run_softc *, struct mbuf *,
384 		    struct ieee80211_node *);
385 void		run_start(struct ifnet *);
386 void		run_watchdog(struct ifnet *);
387 int		run_ioctl(struct ifnet *, u_long, caddr_t);
388 void		run_iq_calib(struct run_softc *, u_int);
389 void		run_select_chan_group(struct run_softc *, int);
390 void		run_set_agc(struct run_softc *, uint8_t);
391 void		run_set_rx_antenna(struct run_softc *, int);
392 void		run_rt2870_set_chan(struct run_softc *, u_int);
393 void		run_rt3070_set_chan(struct run_softc *, u_int);
394 void		run_rt3572_set_chan(struct run_softc *, u_int);
395 void		run_rt3593_set_chan(struct run_softc *, u_int);
396 void		run_rt5390_set_chan(struct run_softc *, u_int);
397 void		run_rt5592_set_chan(struct run_softc *, u_int);
398 int		run_set_chan(struct run_softc *, struct ieee80211_channel *);
399 void		run_enable_tsf_sync(struct run_softc *);
400 void		run_enable_mrr(struct run_softc *);
401 void		run_set_txpreamble(struct run_softc *);
402 void		run_set_basicrates(struct run_softc *);
403 void		run_set_leds(struct run_softc *, uint16_t);
404 void		run_set_bssid(struct run_softc *, const uint8_t *);
405 void		run_set_macaddr(struct run_softc *, const uint8_t *);
406 void		run_updateslot(struct ieee80211com *);
407 void		run_updateslot_cb(struct run_softc *, void *);
408 #if NBPFILTER > 0
409 int8_t		run_rssi2dbm(struct run_softc *, uint8_t, uint8_t);
410 #endif
411 void		run_rt5390_bbp_init(struct run_softc *);
412 int		run_bbp_init(struct run_softc *);
413 int		run_rt3070_rf_init(struct run_softc *);
414 void		run_rt3593_rf_init(struct run_softc *);
415 void		run_rt5390_rf_init(struct run_softc *);
416 int		run_rt3070_filter_calib(struct run_softc *, uint8_t, uint8_t,
417 		    uint8_t *);
418 void		run_rt3070_rf_setup(struct run_softc *);
419 void		run_rt3593_rf_setup(struct run_softc *);
420 void		run_rt5390_rf_setup(struct run_softc *);
421 int		run_txrx_enable(struct run_softc *);
422 void		run_adjust_freq_offset(struct run_softc *);
423 int		run_init(struct ifnet *);
424 void		run_stop(struct ifnet *, int);
425 
426 struct cfdriver run_cd = {
427 	NULL, "run", DV_IFNET
428 };
429 
430 const struct cfattach run_ca = {
431 	sizeof (struct run_softc), run_match, run_attach, run_detach
432 };
433 
434 static const struct {
435 	uint32_t	reg;
436 	uint32_t	val;
437 } rt2870_def_mac[] = {
438 	RT2870_DEF_MAC
439 };
440 
441 static const struct {
442 	uint8_t	reg;
443 	uint8_t	val;
444 } rt2860_def_bbp[] = {
445 	RT2860_DEF_BBP
446 },rt5390_def_bbp[] = {
447 	RT5390_DEF_BBP
448 },rt5592_def_bbp[] = {
449 	RT5592_DEF_BBP
450 };
451 
452 /*
453  * Default values for BBP register R196 for RT5592.
454  */
455 static const uint8_t rt5592_bbp_r196[] = {
456 	0xe0, 0x1f, 0x38, 0x32, 0x08, 0x28, 0x19, 0x0a, 0xff, 0x00,
457 	0x16, 0x10, 0x10, 0x0b, 0x36, 0x2c, 0x26, 0x24, 0x42, 0x36,
458 	0x30, 0x2d, 0x4c, 0x46, 0x3d, 0x40, 0x3e, 0x42, 0x3d, 0x40,
459 	0x3c, 0x34, 0x2c, 0x2f, 0x3c, 0x35, 0x2e, 0x2a, 0x49, 0x41,
460 	0x36, 0x31, 0x30, 0x30, 0x0e, 0x0d, 0x28, 0x21, 0x1c, 0x16,
461 	0x50, 0x4a, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00,
462 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
463 	0x00, 0x00, 0x7d, 0x14, 0x32, 0x2c, 0x36, 0x4c, 0x43, 0x2c,
464 	0x2e, 0x36, 0x30, 0x6e
465 };
466 
467 static const struct rfprog {
468 	uint8_t		chan;
469 	uint32_t	r1, r2, r3, r4;
470 } rt2860_rf2850[] = {
471 	RT2860_RF2850
472 };
473 
474 struct {
475 	uint8_t	n, r, k;
476 } rt3070_freqs[] = {
477 	RT3070_RF3052
478 };
479 
480 static const struct rt5592_freqs {
481 	uint16_t	n;
482 	uint8_t		k, m, r;
483 } rt5592_freqs_20mhz[] = {
484 	RT5592_RF5592_20MHZ
485 },rt5592_freqs_40mhz[] = {
486 	RT5592_RF5592_40MHZ
487 };
488 
489 static const struct {
490 	uint8_t	reg;
491 	uint8_t	val;
492 } rt3070_def_rf[] = {
493 	RT3070_DEF_RF
494 },rt3572_def_rf[] = {
495 	RT3572_DEF_RF
496 },rt3593_def_rf[] = {
497 	RT3593_DEF_RF
498 },rt5390_def_rf[] = {
499 	RT5390_DEF_RF
500 },rt5392_def_rf[] = {
501 	RT5392_DEF_RF
502 },rt5592_def_rf[] = {
503 	RT5592_DEF_RF
504 },rt5592_2ghz_def_rf[] = {
505 	RT5592_2GHZ_DEF_RF
506 },rt5592_5ghz_def_rf[] = {
507 	RT5592_5GHZ_DEF_RF
508 };
509 
510 static const struct {
511 	u_int	firstchan;
512 	u_int	lastchan;
513 	uint8_t	reg;
514 	uint8_t	val;
515 } rt5592_chan_5ghz[] = {
516 	RT5592_CHAN_5GHZ
517 };
518 
519 int
520 run_match(struct device *parent, void *match, void *aux)
521 {
522 	struct usb_attach_arg *uaa = aux;
523 
524 	if (uaa->iface == NULL || uaa->configno != 1)
525 		return UMATCH_NONE;
526 
527 	return (usb_lookup(run_devs, uaa->vendor, uaa->product) != NULL) ?
528 	    UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE;
529 }
530 
531 void
532 run_attach(struct device *parent, struct device *self, void *aux)
533 {
534 	struct run_softc *sc = (struct run_softc *)self;
535 	struct usb_attach_arg *uaa = aux;
536 	struct ieee80211com *ic = &sc->sc_ic;
537 	struct ifnet *ifp = &ic->ic_if;
538 	usb_interface_descriptor_t *id;
539 	usb_endpoint_descriptor_t *ed;
540 	int i, nrx, ntx, ntries;
541 	uint32_t ver;
542 
543 	sc->sc_udev = uaa->device;
544 	sc->sc_iface = uaa->iface;
545 
546 	/*
547 	 * Find all bulk endpoints.  There are 7 bulk endpoints: 1 for RX
548 	 * and 6 for TX (4 EDCAs + HCCA + Prio).
549 	 * Update 03-14-2009:  some devices like the Planex GW-US300MiniS
550 	 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
551 	 */
552 	nrx = ntx = 0;
553 	id = usbd_get_interface_descriptor(sc->sc_iface);
554 	for (i = 0; i < id->bNumEndpoints; i++) {
555 		ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
556 		if (ed == NULL || UE_GET_XFERTYPE(ed->bmAttributes) != UE_BULK)
557 			continue;
558 
559 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) {
560 			sc->rxq.pipe_no = ed->bEndpointAddress;
561 			nrx++;
562 		} else if (ntx < 4) {
563 			sc->txq[ntx].pipe_no = ed->bEndpointAddress;
564 			ntx++;
565 		}
566 	}
567 	/* make sure we've got them all */
568 	if (nrx < 1 || ntx < 4) {
569 		printf("%s: missing endpoint\n", sc->sc_dev.dv_xname);
570 		return;
571 	}
572 
573 	usb_init_task(&sc->sc_task, run_task, sc, USB_TASK_TYPE_GENERIC);
574 	timeout_set(&sc->scan_to, run_next_scan, sc);
575 	timeout_set(&sc->calib_to, run_calibrate_to, sc);
576 
577 	sc->amrr.amrr_min_success_threshold =  1;
578 	sc->amrr.amrr_max_success_threshold = 10;
579 
580 	/* wait for the chip to settle */
581 	for (ntries = 0; ntries < 100; ntries++) {
582 		if (run_read(sc, RT2860_ASIC_VER_ID, &ver) != 0)
583 			return;
584 		if (ver != 0 && ver != 0xffffffff)
585 			break;
586 		DELAY(10);
587 	}
588 	if (ntries == 100) {
589 		printf("%s: timeout waiting for NIC to initialize\n",
590 		    sc->sc_dev.dv_xname);
591 		return;
592 	}
593 	sc->mac_ver = ver >> 16;
594 	sc->mac_rev = ver & 0xffff;
595 
596 	/* retrieve RF rev. no and various other things from EEPROM */
597 	run_read_eeprom(sc);
598 
599 	printf("%s: MAC/BBP RT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), "
600 	    "address %s\n", sc->sc_dev.dv_xname, sc->mac_ver,
601 	    sc->mac_rev, run_get_rf(sc->rf_rev), sc->ntxchains,
602 	    sc->nrxchains, ether_sprintf(ic->ic_myaddr));
603 
604 	ic->ic_phytype = IEEE80211_T_OFDM;	/* not only, but not used */
605 	ic->ic_opmode = IEEE80211_M_STA;	/* default to BSS mode */
606 	ic->ic_state = IEEE80211_S_INIT;
607 
608 	/* set device capabilities */
609 	ic->ic_caps =
610 	    IEEE80211_C_MONITOR |	/* monitor mode supported */
611 	    IEEE80211_C_SHPREAMBLE |	/* short preamble supported */
612 	    IEEE80211_C_SHSLOT |	/* short slot time supported */
613 	    IEEE80211_C_WEP |		/* WEP */
614 	    IEEE80211_C_RSN;		/* WPA/RSN */
615 
616 	if (sc->rf_rev == RT2860_RF_2750 ||
617 	    sc->rf_rev == RT2860_RF_2850 ||
618 	    sc->rf_rev == RT3070_RF_3052 ||
619 	    sc->rf_rev == RT3070_RF_3053 ||
620 	    sc->rf_rev == RT5592_RF_5592) {
621 		/* set supported .11a rates */
622 		ic->ic_sup_rates[IEEE80211_MODE_11A] =
623 		    ieee80211_std_rateset_11a;
624 
625 		/* set supported .11a channels */
626 		for (i = 14; i < nitems(rt2860_rf2850); i++) {
627 			uint8_t chan = rt2860_rf2850[i].chan;
628 			ic->ic_channels[chan].ic_freq =
629 			    ieee80211_ieee2mhz(chan, IEEE80211_CHAN_5GHZ);
630 			ic->ic_channels[chan].ic_flags = IEEE80211_CHAN_A;
631 		}
632 	}
633 
634 	/* set supported .11b and .11g rates */
635 	ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b;
636 	ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g;
637 
638 	/* set supported .11b and .11g channels (1 through 14) */
639 	for (i = 1; i <= 14; i++) {
640 		ic->ic_channels[i].ic_freq =
641 		    ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
642 		ic->ic_channels[i].ic_flags =
643 		    IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
644 		    IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
645 	}
646 
647 	ifp->if_softc = sc;
648 	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
649 	ifp->if_ioctl = run_ioctl;
650 	ifp->if_start = run_start;
651 	ifp->if_watchdog = run_watchdog;
652 	memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ);
653 
654 	if_attach(ifp);
655 	ieee80211_ifattach(ifp);
656 	ic->ic_node_alloc = run_node_alloc;
657 	ic->ic_newassoc = run_newassoc;
658 	ic->ic_updateslot = run_updateslot;
659 	ic->ic_updateedca = run_updateedca;
660 	ic->ic_set_key = run_set_key;
661 	ic->ic_delete_key = run_delete_key;
662 	/* override state transition machine */
663 	sc->sc_newstate = ic->ic_newstate;
664 	ic->ic_newstate = run_newstate;
665 	ieee80211_media_init(ifp, run_media_change, ieee80211_media_status);
666 
667 #if NBPFILTER > 0
668 	bpfattach(&sc->sc_drvbpf, ifp, DLT_IEEE802_11_RADIO,
669 	    sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN);
670 
671 	sc->sc_rxtap_len = sizeof sc->sc_rxtapu;
672 	sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
673 	sc->sc_rxtap.wr_ihdr.it_present = htole32(RUN_RX_RADIOTAP_PRESENT);
674 
675 	sc->sc_txtap_len = sizeof sc->sc_txtapu;
676 	sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
677 	sc->sc_txtap.wt_ihdr.it_present = htole32(RUN_TX_RADIOTAP_PRESENT);
678 #endif
679 }
680 
681 int
682 run_detach(struct device *self, int flags)
683 {
684 	struct run_softc *sc = (struct run_softc *)self;
685 	struct ifnet *ifp = &sc->sc_ic.ic_if;
686 	int qid, s;
687 
688 	s = splusb();
689 
690 	if (timeout_initialized(&sc->scan_to))
691 		timeout_del(&sc->scan_to);
692 	if (timeout_initialized(&sc->calib_to))
693 		timeout_del(&sc->calib_to);
694 
695 	/* wait for all queued asynchronous commands to complete */
696 	usb_rem_wait_task(sc->sc_udev, &sc->sc_task);
697 
698 	usbd_ref_wait(sc->sc_udev);
699 
700 	if (ifp->if_softc != NULL) {
701 		ifp->if_flags &= ~IFF_RUNNING;
702 		ifq_clr_oactive(&ifp->if_snd);
703 		ieee80211_ifdetach(ifp);
704 		if_detach(ifp);
705 	}
706 
707 	for (qid = 0; qid < 4; qid++)
708 		run_free_tx_ring(sc, qid);
709 	run_free_rx_ring(sc);
710 
711 	splx(s);
712 
713 	return 0;
714 }
715 
716 int
717 run_alloc_rx_ring(struct run_softc *sc)
718 {
719 	struct run_rx_ring *rxq = &sc->rxq;
720 	int i, error;
721 
722 	error = usbd_open_pipe(sc->sc_iface, rxq->pipe_no, 0, &rxq->pipeh);
723 	if (error != 0)
724 		goto fail;
725 
726 	for (i = 0; i < RUN_RX_RING_COUNT; i++) {
727 		struct run_rx_data *data = &rxq->data[i];
728 
729 		data->sc = sc;	/* backpointer for callbacks */
730 
731 		data->xfer = usbd_alloc_xfer(sc->sc_udev);
732 		if (data->xfer == NULL) {
733 			error = ENOMEM;
734 			goto fail;
735 		}
736 		data->buf = usbd_alloc_buffer(data->xfer, RUN_MAX_RXSZ);
737 		if (data->buf == NULL) {
738 			error = ENOMEM;
739 			goto fail;
740 		}
741 	}
742 	if (error != 0)
743 fail:		run_free_rx_ring(sc);
744 	return error;
745 }
746 
747 void
748 run_free_rx_ring(struct run_softc *sc)
749 {
750 	struct run_rx_ring *rxq = &sc->rxq;
751 	int i;
752 
753 	if (rxq->pipeh != NULL) {
754 		usbd_close_pipe(rxq->pipeh);
755 		rxq->pipeh = NULL;
756 	}
757 	for (i = 0; i < RUN_RX_RING_COUNT; i++) {
758 		if (rxq->data[i].xfer != NULL)
759 			usbd_free_xfer(rxq->data[i].xfer);
760 		rxq->data[i].xfer = NULL;
761 	}
762 }
763 
764 int
765 run_alloc_tx_ring(struct run_softc *sc, int qid)
766 {
767 	struct run_tx_ring *txq = &sc->txq[qid];
768 	int i, error;
769 	uint16_t txwisize;
770 
771 	txwisize = sizeof(struct rt2860_txwi);
772 	if (sc->mac_ver == 0x5592)
773 		txwisize += sizeof(uint32_t);
774 
775 	txq->cur = txq->queued = 0;
776 
777 	error = usbd_open_pipe(sc->sc_iface, txq->pipe_no, 0, &txq->pipeh);
778 	if (error != 0)
779 		goto fail;
780 
781 	for (i = 0; i < RUN_TX_RING_COUNT; i++) {
782 		struct run_tx_data *data = &txq->data[i];
783 
784 		data->sc = sc;	/* backpointer for callbacks */
785 		data->qid = qid;
786 
787 		data->xfer = usbd_alloc_xfer(sc->sc_udev);
788 		if (data->xfer == NULL) {
789 			error = ENOMEM;
790 			goto fail;
791 		}
792 		data->buf = usbd_alloc_buffer(data->xfer, RUN_MAX_TXSZ);
793 		if (data->buf == NULL) {
794 			error = ENOMEM;
795 			goto fail;
796 		}
797 		/* zeroize the TXD + TXWI part */
798 		memset(data->buf, 0, sizeof(struct rt2870_txd) + txwisize);
799 	}
800 	if (error != 0)
801 fail:		run_free_tx_ring(sc, qid);
802 	return error;
803 }
804 
805 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_close_pipe(txq->pipeh);
813 		txq->pipeh = NULL;
814 	}
815 	for (i = 0; i < RUN_TX_RING_COUNT; i++) {
816 		if (txq->data[i].xfer != NULL)
817 			usbd_free_xfer(txq->data[i].xfer);
818 		txq->data[i].xfer = NULL;
819 	}
820 }
821 
822 int
823 run_load_microcode(struct run_softc *sc)
824 {
825 	usb_device_request_t req;
826 	const char *fwname;
827 	u_char *ucode;
828 	size_t size;
829 	uint32_t tmp;
830 	int ntries, error;
831 
832 	/* RT3071/RT3072 use a different firmware */
833 	if (sc->mac_ver != 0x2860 &&
834 	    sc->mac_ver != 0x2872 &&
835 	    sc->mac_ver != 0x3070)
836 		fwname = "run-rt3071";
837 	else
838 		fwname = "run-rt2870";
839 
840 	if ((error = loadfirmware(fwname, &ucode, &size)) != 0) {
841 		printf("%s: failed loadfirmware of file %s (error %d)\n",
842 		    sc->sc_dev.dv_xname, fwname, error);
843 		return error;
844 	}
845 	if (size != 4096) {
846 		printf("%s: invalid firmware size (should be 4KB)\n",
847 		    sc->sc_dev.dv_xname);
848 		free(ucode, M_DEVBUF, size);
849 		return EINVAL;
850 	}
851 
852 	/* write microcode image */
853 	run_write_region_1(sc, RT2870_FW_BASE, ucode, size);
854 	free(ucode, M_DEVBUF, size);
855 	run_write(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff);
856 	run_write(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff);
857 
858 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
859 	req.bRequest = RT2870_RESET;
860 	USETW(req.wValue, 8);
861 	USETW(req.wIndex, 0);
862 	USETW(req.wLength, 0);
863 	if ((error = usbd_do_request(sc->sc_udev, &req, NULL)) != 0)
864 		return error;
865 
866 	usbd_delay_ms(sc->sc_udev, 10);
867 	run_write(sc, RT2860_H2M_BBPAGENT, 0);
868 	run_write(sc, RT2860_H2M_MAILBOX, 0);
869 	run_write(sc, RT2860_H2M_INTSRC, 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 		printf("%s: timeout waiting for MCU to initialize\n",
883 		    sc->sc_dev.dv_xname);
884 		return ETIMEDOUT;
885 	}
886 	DPRINTF(("microcode successfully loaded after %d tries\n", ntries));
887 	return 0;
888 }
889 
890 int
891 run_reset(struct run_softc *sc)
892 {
893 	usb_device_request_t req;
894 
895 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
896 	req.bRequest = RT2870_RESET;
897 	USETW(req.wValue, 1);
898 	USETW(req.wIndex, 0);
899 	USETW(req.wLength, 0);
900 	return usbd_do_request(sc->sc_udev, &req, NULL);
901 }
902 
903 int
904 run_read(struct run_softc *sc, uint16_t reg, uint32_t *val)
905 {
906 	uint32_t tmp;
907 	int error;
908 
909 	error = run_read_region_1(sc, reg, (uint8_t *)&tmp, sizeof tmp);
910 	if (error == 0)
911 		*val = letoh32(tmp);
912 	else
913 		*val = 0xffffffff;
914 	return error;
915 }
916 
917 int
918 run_read_region_1(struct run_softc *sc, uint16_t reg, uint8_t *buf, int len)
919 {
920 	usb_device_request_t req;
921 
922 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
923 	req.bRequest = RT2870_READ_REGION_1;
924 	USETW(req.wValue, 0);
925 	USETW(req.wIndex, reg);
926 	USETW(req.wLength, len);
927 	return usbd_do_request(sc->sc_udev, &req, buf);
928 }
929 
930 int
931 run_write_2(struct run_softc *sc, uint16_t reg, uint16_t val)
932 {
933 	usb_device_request_t req;
934 
935 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
936 	req.bRequest = RT2870_WRITE_2;
937 	USETW(req.wValue, val);
938 	USETW(req.wIndex, reg);
939 	USETW(req.wLength, 0);
940 	return usbd_do_request(sc->sc_udev, &req, NULL);
941 }
942 
943 int
944 run_write(struct run_softc *sc, uint16_t reg, uint32_t val)
945 {
946 	int error;
947 
948 	if ((error = run_write_2(sc, reg, val & 0xffff)) == 0)
949 		error = run_write_2(sc, reg + 2, val >> 16);
950 	return error;
951 }
952 
953 int
954 run_write_region_1(struct run_softc *sc, uint16_t reg, const uint8_t *buf,
955     int len)
956 {
957 #if 1
958 	int i, error = 0;
959 	/*
960 	 * NB: the WRITE_REGION_1 command is not stable on RT2860.
961 	 * We thus issue multiple WRITE_2 commands instead.
962 	 */
963 	KASSERT((len & 1) == 0);
964 	for (i = 0; i < len && error == 0; i += 2)
965 		error = run_write_2(sc, reg + i, buf[i] | buf[i + 1] << 8);
966 	return error;
967 #else
968 	usb_device_request_t req;
969 
970 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
971 	req.bRequest = RT2870_WRITE_REGION_1;
972 	USETW(req.wValue, 0);
973 	USETW(req.wIndex, reg);
974 	USETW(req.wLength, len);
975 	return usbd_do_request(sc->sc_udev, &req, buf);
976 #endif
977 }
978 
979 int
980 run_set_region_4(struct run_softc *sc, uint16_t reg, uint32_t val, int count)
981 {
982 	int error = 0;
983 
984 	for (; count > 0 && error == 0; count--, reg += 4)
985 		error = run_write(sc, reg, val);
986 	return error;
987 }
988 
989 /* Read 16-bit from eFUSE ROM. */
990 int
991 run_efuse_read(struct run_softc *sc, uint16_t addr, uint16_t *val)
992 {
993 	uint32_t tmp;
994 	uint16_t reg;
995 	int error, ntries;
996 
997 	if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
998 		return error;
999 
1000 	/*-
1001 	 * Read one 16-byte block into registers EFUSE_DATA[0-3]:
1002 	 * DATA0: F E D C
1003 	 * DATA1: B A 9 8
1004 	 * DATA2: 7 6 5 4
1005 	 * DATA3: 3 2 1 0
1006 	 */
1007 	tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK);
1008 	tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK;
1009 	run_write(sc, RT3070_EFUSE_CTRL, tmp);
1010 	for (ntries = 0; ntries < 100; ntries++) {
1011 		if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1012 			return error;
1013 		if (!(tmp & RT3070_EFSROM_KICK))
1014 			break;
1015 		DELAY(2);
1016 	}
1017 	if (ntries == 100)
1018 		return ETIMEDOUT;
1019 
1020 	if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) {
1021 		*val = 0xffff;	/* address not found */
1022 		return 0;
1023 	}
1024 	/* determine to which 32-bit register our 16-bit word belongs */
1025 	reg = RT3070_EFUSE_DATA3 - (addr & 0xc);
1026 	if ((error = run_read(sc, reg, &tmp)) != 0)
1027 		return error;
1028 
1029 	tmp >>= (8 * (addr & 0x3));
1030 	*val = (addr & 1) ? tmp >> 16 : tmp & 0xffff;
1031 	return 0;
1032 }
1033 
1034 /* Read 16-bit from eFUSE ROM for RT3xxx. */
1035 int
1036 run_efuse_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
1037 {
1038 	uint32_t tmp;
1039 	uint16_t reg;
1040 	int error, ntries;
1041 
1042 	if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1043 		return error;
1044 
1045 	addr *= 2;
1046 	/*-
1047 	 * Read one 16-byte block into registers EFUSE_DATA[0-3]:
1048 	 * DATA0: F E D C
1049 	 * DATA1: B A 9 8
1050 	 * DATA2: 7 6 5 4
1051 	 * DATA3: 3 2 1 0
1052 	 */
1053 	tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK);
1054 	tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK;
1055 	run_write(sc, RT3070_EFUSE_CTRL, tmp);
1056 	for (ntries = 0; ntries < 100; ntries++) {
1057 		if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
1058 			return error;
1059 		if (!(tmp & RT3070_EFSROM_KICK))
1060 			break;
1061 		DELAY(2);
1062 	}
1063 	if (ntries == 100)
1064 		return ETIMEDOUT;
1065 
1066 	if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) {
1067 		*val = 0xffff;	/* address not found */
1068 		return 0;
1069 	}
1070 	/* determine to which 32-bit register our 16-bit word belongs */
1071 	reg = RT3070_EFUSE_DATA3 - (addr & 0xc);
1072 	if ((error = run_read(sc, reg, &tmp)) != 0)
1073 		return error;
1074 
1075 	*val = (addr & 2) ? tmp >> 16 : tmp & 0xffff;
1076 	return 0;
1077 }
1078 
1079 int
1080 run_eeprom_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
1081 {
1082 	usb_device_request_t req;
1083 	uint16_t tmp;
1084 	int error;
1085 
1086 	addr *= 2;
1087 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
1088 	req.bRequest = RT2870_EEPROM_READ;
1089 	USETW(req.wValue, 0);
1090 	USETW(req.wIndex, addr);
1091 	USETW(req.wLength, sizeof tmp);
1092 	error = usbd_do_request(sc->sc_udev, &req, &tmp);
1093 	if (error == 0)
1094 		*val = letoh16(tmp);
1095 	else
1096 		*val = 0xffff;
1097 	return error;
1098 }
1099 
1100 static __inline int
1101 run_srom_read(struct run_softc *sc, uint16_t addr, uint16_t *val)
1102 {
1103 	/* either eFUSE ROM or EEPROM */
1104 	return sc->sc_srom_read(sc, addr, val);
1105 }
1106 
1107 int
1108 run_rt2870_rf_write(struct run_softc *sc, uint8_t reg, uint32_t val)
1109 {
1110 	uint32_t tmp;
1111 	int error, ntries;
1112 
1113 	for (ntries = 0; ntries < 10; ntries++) {
1114 		if ((error = run_read(sc, RT2860_RF_CSR_CFG0, &tmp)) != 0)
1115 			return error;
1116 		if (!(tmp & RT2860_RF_REG_CTRL))
1117 			break;
1118 	}
1119 	if (ntries == 10)
1120 		return ETIMEDOUT;
1121 
1122 	/* RF registers are 24-bit on the RT2860 */
1123 	tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT |
1124 	    (val & 0x3fffff) << 2 | (reg & 3);
1125 	return run_write(sc, RT2860_RF_CSR_CFG0, tmp);
1126 }
1127 
1128 int
1129 run_rt3070_rf_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
1130 {
1131 	uint32_t tmp;
1132 	int error, ntries;
1133 
1134 	for (ntries = 0; ntries < 100; ntries++) {
1135 		if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1136 			return error;
1137 		if (!(tmp & RT3070_RF_KICK))
1138 			break;
1139 	}
1140 	if (ntries == 100)
1141 		return ETIMEDOUT;
1142 
1143 	tmp = RT3070_RF_KICK | reg << 8;
1144 	if ((error = run_write(sc, RT3070_RF_CSR_CFG, tmp)) != 0)
1145 		return error;
1146 
1147 	for (ntries = 0; ntries < 100; ntries++) {
1148 		if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1149 			return error;
1150 		if (!(tmp & RT3070_RF_KICK))
1151 			break;
1152 	}
1153 	if (ntries == 100)
1154 		return ETIMEDOUT;
1155 
1156 	*val = tmp & 0xff;
1157 	return 0;
1158 }
1159 
1160 int
1161 run_rt3070_rf_write(struct run_softc *sc, uint8_t reg, uint8_t val)
1162 {
1163 	uint32_t tmp;
1164 	int error, ntries;
1165 
1166 	for (ntries = 0; ntries < 10; ntries++) {
1167 		if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
1168 			return error;
1169 		if (!(tmp & RT3070_RF_KICK))
1170 			break;
1171 	}
1172 	if (ntries == 10)
1173 		return ETIMEDOUT;
1174 
1175 	tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val;
1176 	return run_write(sc, RT3070_RF_CSR_CFG, tmp);
1177 }
1178 
1179 int
1180 run_bbp_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
1181 {
1182 	uint32_t tmp;
1183 	int ntries, error;
1184 
1185 	for (ntries = 0; ntries < 10; ntries++) {
1186 		if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1187 			return error;
1188 		if (!(tmp & RT2860_BBP_CSR_KICK))
1189 			break;
1190 	}
1191 	if (ntries == 10)
1192 		return ETIMEDOUT;
1193 
1194 	tmp = RT2860_BBP_CSR_READ | RT2860_BBP_CSR_KICK | reg << 8;
1195 	if ((error = run_write(sc, RT2860_BBP_CSR_CFG, tmp)) != 0)
1196 		return error;
1197 
1198 	for (ntries = 0; ntries < 10; ntries++) {
1199 		if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1200 			return error;
1201 		if (!(tmp & RT2860_BBP_CSR_KICK))
1202 			break;
1203 	}
1204 	if (ntries == 10)
1205 		return ETIMEDOUT;
1206 
1207 	*val = tmp & 0xff;
1208 	return 0;
1209 }
1210 
1211 int
1212 run_bbp_write(struct run_softc *sc, uint8_t reg, uint8_t val)
1213 {
1214 	uint32_t tmp;
1215 	int ntries, error;
1216 
1217 	for (ntries = 0; ntries < 10; ntries++) {
1218 		if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
1219 			return error;
1220 		if (!(tmp & RT2860_BBP_CSR_KICK))
1221 			break;
1222 	}
1223 	if (ntries == 10)
1224 		return ETIMEDOUT;
1225 
1226 	tmp = RT2860_BBP_CSR_KICK | reg << 8 | val;
1227 	return run_write(sc, RT2860_BBP_CSR_CFG, tmp);
1228 }
1229 
1230 /*
1231  * Send a command to the 8051 microcontroller unit.
1232  */
1233 int
1234 run_mcu_cmd(struct run_softc *sc, uint8_t cmd, uint16_t arg)
1235 {
1236 	uint32_t tmp;
1237 	int error, ntries;
1238 
1239 	for (ntries = 0; ntries < 100; ntries++) {
1240 		if ((error = run_read(sc, RT2860_H2M_MAILBOX, &tmp)) != 0)
1241 			return error;
1242 		if (!(tmp & RT2860_H2M_BUSY))
1243 			break;
1244 	}
1245 	if (ntries == 100)
1246 		return ETIMEDOUT;
1247 
1248 	tmp = RT2860_H2M_BUSY | RT2860_TOKEN_NO_INTR << 16 | arg;
1249 	if ((error = run_write(sc, RT2860_H2M_MAILBOX, tmp)) == 0)
1250 		error = run_write(sc, RT2860_HOST_CMD, cmd);
1251 	return error;
1252 }
1253 
1254 /*
1255  * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word.
1256  * Used to adjust per-rate Tx power registers.
1257  */
1258 static __inline uint32_t
1259 b4inc(uint32_t b32, int8_t delta)
1260 {
1261 	int8_t i, b4;
1262 
1263 	for (i = 0; i < 8; i++) {
1264 		b4 = b32 & 0xf;
1265 		b4 += delta;
1266 		if (b4 < 0)
1267 			b4 = 0;
1268 		else if (b4 > 0xf)
1269 			b4 = 0xf;
1270 		b32 = b32 >> 4 | b4 << 28;
1271 	}
1272 	return b32;
1273 }
1274 
1275 const char *
1276 run_get_rf(int rev)
1277 {
1278 	switch (rev) {
1279 	case RT2860_RF_2820:	return "RT2820";
1280 	case RT2860_RF_2850:	return "RT2850";
1281 	case RT2860_RF_2720:	return "RT2720";
1282 	case RT2860_RF_2750:	return "RT2750";
1283 	case RT3070_RF_3020:	return "RT3020";
1284 	case RT3070_RF_2020:	return "RT2020";
1285 	case RT3070_RF_3021:	return "RT3021";
1286 	case RT3070_RF_3022:	return "RT3022";
1287 	case RT3070_RF_3052:	return "RT3052";
1288 	case RT3070_RF_3053:	return "RT3053";
1289 	case RT5592_RF_5592:	return "RT5592";
1290 	case RT5390_RF_5370:	return "RT5370";
1291 	case RT5390_RF_5372:	return "RT5372";
1292 	}
1293 	return "unknown";
1294 }
1295 
1296 void
1297 run_rt3593_get_txpower(struct run_softc *sc)
1298 {
1299 	uint16_t addr, val;
1300 	int i;
1301 
1302 	/* Read power settings for 2GHz channels. */
1303 	for (i = 0; i < 14; i += 2) {
1304 		addr = (sc->ntxchains == 3) ? RT3593_EEPROM_PWR2GHZ_BASE1 :
1305 		    RT2860_EEPROM_PWR2GHZ_BASE1;
1306 		run_srom_read(sc, addr + i / 2, &val);
1307 		sc->txpow1[i + 0] = (int8_t)(val & 0xff);
1308 		sc->txpow1[i + 1] = (int8_t)(val >> 8);
1309 
1310 		addr = (sc->ntxchains == 3) ? RT3593_EEPROM_PWR2GHZ_BASE2 :
1311 		    RT2860_EEPROM_PWR2GHZ_BASE2;
1312 		run_srom_read(sc, addr + i / 2, &val);
1313 		sc->txpow2[i + 0] = (int8_t)(val & 0xff);
1314 		sc->txpow2[i + 1] = (int8_t)(val >> 8);
1315 
1316 		if (sc->ntxchains == 3) {
1317 			run_srom_read(sc, RT3593_EEPROM_PWR2GHZ_BASE3 + i / 2,
1318 			    &val);
1319 			sc->txpow3[i + 0] = (int8_t)(val & 0xff);
1320 			sc->txpow3[i + 1] = (int8_t)(val >> 8);
1321 		}
1322 	}
1323 	/* Fix broken Tx power entries. */
1324 	for (i = 0; i < 14; i++) {
1325 		if (sc->txpow1[i] > 31)
1326 			sc->txpow1[i] = 5;
1327 		if (sc->txpow2[i] > 31)
1328 			sc->txpow2[i] = 5;
1329 		if (sc->ntxchains == 3) {
1330 			if (sc->txpow3[i] > 31)
1331 				sc->txpow3[i] = 5;
1332 		}
1333 	}
1334 	/* Read power settings for 5GHz channels. */
1335 	for (i = 0; i < 40; i += 2) {
1336 		run_srom_read(sc, RT3593_EEPROM_PWR5GHZ_BASE1 + i / 2, &val);
1337 		sc->txpow1[i + 14] = (int8_t)(val & 0xff);
1338 		sc->txpow1[i + 15] = (int8_t)(val >> 8);
1339 
1340 		run_srom_read(sc, RT3593_EEPROM_PWR5GHZ_BASE2 + i / 2, &val);
1341 		sc->txpow2[i + 14] = (int8_t)(val & 0xff);
1342 		sc->txpow2[i + 15] = (int8_t)(val >> 8);
1343 
1344 		if (sc->ntxchains == 3) {
1345 			run_srom_read(sc, RT3593_EEPROM_PWR5GHZ_BASE3 + i / 2,
1346 			    &val);
1347 			sc->txpow3[i + 14] = (int8_t)(val & 0xff);
1348 			sc->txpow3[i + 15] = (int8_t)(val >> 8);
1349 		}
1350 	}
1351 }
1352 
1353 void
1354 run_get_txpower(struct run_softc *sc)
1355 {
1356 	uint16_t val;
1357 	int i;
1358 
1359 	/* Read power settings for 2GHz channels. */
1360 	for (i = 0; i < 14; i += 2) {
1361 		run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2, &val);
1362 		sc->txpow1[i + 0] = (int8_t)(val & 0xff);
1363 		sc->txpow1[i + 1] = (int8_t)(val >> 8);
1364 
1365 		if (sc->mac_ver != 0x5390) {
1366 			run_srom_read(sc,
1367 			    RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2, &val);
1368 			sc->txpow2[i + 0] = (int8_t)(val & 0xff);
1369 			sc->txpow2[i + 1] = (int8_t)(val >> 8);
1370 		}
1371 	}
1372 	/* Fix broken Tx power entries. */
1373 	for (i = 0; i < 14; i++) {
1374 		if (sc->mac_ver >= 0x5390) {
1375 			if (sc->txpow1[i] < 0 || sc->txpow1[i] > 27)
1376 				sc->txpow1[i] = 5;
1377 		} else {
1378 			if (sc->txpow1[i] < 0 || sc->txpow1[i] > 31)
1379 				sc->txpow1[i] = 5;
1380 		}
1381 		if (sc->mac_ver > 0x5390) {
1382 			if (sc->txpow2[i] < 0 || sc->txpow2[i] > 27)
1383 				sc->txpow2[i] = 5;
1384 		} else if (sc->mac_ver < 0x5390) {
1385 			if (sc->txpow2[i] < 0 || sc->txpow2[i] > 31)
1386 				sc->txpow2[i] = 5;
1387 		}
1388 		DPRINTF(("chan %d: power1=%d, power2=%d\n",
1389 		    rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i]));
1390 	}
1391 	/* Read power settings for 5GHz channels. */
1392 	for (i = 0; i < 40; i += 2) {
1393 		run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2, &val);
1394 		sc->txpow1[i + 14] = (int8_t)(val & 0xff);
1395 		sc->txpow1[i + 15] = (int8_t)(val >> 8);
1396 
1397 		run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2, &val);
1398 		sc->txpow2[i + 14] = (int8_t)(val & 0xff);
1399 		sc->txpow2[i + 15] = (int8_t)(val >> 8);
1400 	}
1401 	/* Fix broken Tx power entries. */
1402 	for (i = 0; i < 40; i++ ) {
1403 		if (sc->mac_ver != 0x5592) {
1404 			if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15)
1405 				sc->txpow1[14 + i] = 5;
1406 			if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15)
1407 				sc->txpow2[14 + i] = 5;
1408 		}
1409 		DPRINTF(("chan %d: power1=%d, power2=%d\n",
1410 		    rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i],
1411 		    sc->txpow2[14 + i]));
1412 	}
1413 }
1414 
1415 int
1416 run_read_eeprom(struct run_softc *sc)
1417 {
1418 	struct ieee80211com *ic = &sc->sc_ic;
1419 	int8_t delta_2ghz, delta_5ghz;
1420 	uint32_t tmp;
1421 	uint16_t val;
1422 	int ridx, ant, i;
1423 
1424 	/* check whether the ROM is eFUSE ROM or EEPROM */
1425 	sc->sc_srom_read = run_eeprom_read_2;
1426 	if (sc->mac_ver >= 0x3070) {
1427 		run_read(sc, RT3070_EFUSE_CTRL, &tmp);
1428 		DPRINTF(("EFUSE_CTRL=0x%08x\n", tmp));
1429 		if (tmp & RT3070_SEL_EFUSE || sc->mac_ver == 0x3593)
1430 			sc->sc_srom_read = run_efuse_read_2;
1431 	}
1432 
1433 	/* read ROM version */
1434 	run_srom_read(sc, RT2860_EEPROM_VERSION, &val);
1435 	DPRINTF(("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8));
1436 
1437 	/* read MAC address */
1438 	run_srom_read(sc, RT2860_EEPROM_MAC01, &val);
1439 	ic->ic_myaddr[0] = val & 0xff;
1440 	ic->ic_myaddr[1] = val >> 8;
1441 	run_srom_read(sc, RT2860_EEPROM_MAC23, &val);
1442 	ic->ic_myaddr[2] = val & 0xff;
1443 	ic->ic_myaddr[3] = val >> 8;
1444 	run_srom_read(sc, RT2860_EEPROM_MAC45, &val);
1445 	ic->ic_myaddr[4] = val & 0xff;
1446 	ic->ic_myaddr[5] = val >> 8;
1447 
1448 	if (sc->mac_ver < 0x3593) {
1449 		/* read vendor BBP settings */
1450 		for (i = 0; i < 10; i++) {
1451 			run_srom_read(sc, RT2860_EEPROM_BBP_BASE + i, &val);
1452 			sc->bbp[i].val = val & 0xff;
1453 			sc->bbp[i].reg = val >> 8;
1454 			DPRINTF(("BBP%d=0x%02x\n", sc->bbp[i].reg,
1455 			    sc->bbp[i].val));
1456 		}
1457 		if (sc->mac_ver >= 0x3071) {
1458 			/* read vendor RF settings */
1459 			for (i = 0; i < 10; i++) {
1460 				run_srom_read(sc, RT3071_EEPROM_RF_BASE + i,
1461 				    &val);
1462 				sc->rf[i].val = val & 0xff;
1463 				sc->rf[i].reg = val >> 8;
1464 				DPRINTF(("RF%d=0x%02x\n", sc->rf[i].reg,
1465 				    sc->rf[i].val));
1466 			}
1467 		}
1468 	}
1469 
1470 	/* read RF frequency offset from EEPROM */
1471 	run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_FREQ_LEDS :
1472 	    RT3593_EEPROM_FREQ, &val);
1473 	sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0;
1474 	DPRINTF(("EEPROM freq offset %d\n", sc->freq & 0xff));
1475 	run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_FREQ_LEDS :
1476 	    RT3593_EEPROM_FREQ_LEDS, &val);
1477 	if ((val >> 8) != 0xff) {
1478 		/* read LEDs operating mode */
1479 		sc->leds = val >> 8;
1480 		run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_LED1 :
1481 		    RT3593_EEPROM_LED1, &sc->led[0]);
1482 		run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_LED2 :
1483 		    RT3593_EEPROM_LED2, &sc->led[1]);
1484 		run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_LED3 :
1485 		    RT3593_EEPROM_LED3, &sc->led[2]);
1486 	} else {
1487 		/* broken EEPROM, use default settings */
1488 		sc->leds = 0x01;
1489 		sc->led[0] = 0x5555;
1490 		sc->led[1] = 0x2221;
1491 		sc->led[2] = 0x5627;	/* differs from RT2860 */
1492 	}
1493 	DPRINTF(("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n",
1494 	    sc->leds, sc->led[0], sc->led[1], sc->led[2]));
1495 
1496 	/* read RF information */
1497 	if (sc->mac_ver == 0x5390 || sc->mac_ver == 0x5392)
1498 		run_srom_read(sc, 0x00, &val);
1499 	else
1500 		run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val);
1501 	if (val == 0xffff) {
1502 		DPRINTF(("invalid EEPROM antenna info, using default\n"));
1503 		if (sc->mac_ver == 0x3572) {
1504 			/* default to RF3052 2T2R */
1505 			sc->rf_rev = RT3070_RF_3052;
1506 			sc->ntxchains = 2;
1507 			sc->nrxchains = 2;
1508 		} else if (sc->mac_ver >= 0x3070) {
1509 			/* default to RF3020 1T1R */
1510 			sc->rf_rev = RT3070_RF_3020;
1511 			sc->ntxchains = 1;
1512 			sc->nrxchains = 1;
1513 		} else {
1514 			/* default to RF2820 1T2R */
1515 			sc->rf_rev = RT2860_RF_2820;
1516 			sc->ntxchains = 1;
1517 			sc->nrxchains = 2;
1518 		}
1519 	} else {
1520 		if (sc->mac_ver == 0x5390 || sc->mac_ver == 0x5392) {
1521 			sc->rf_rev = val;
1522 			run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val);
1523 		} else
1524 			sc->rf_rev = (val >> 8) & 0xf;
1525 		sc->ntxchains = (val >> 4) & 0xf;
1526 		sc->nrxchains = val & 0xf;
1527 	}
1528 	DPRINTF(("EEPROM RF rev=0x%02x chains=%dT%dR\n",
1529 	    sc->rf_rev, sc->ntxchains, sc->nrxchains));
1530 
1531 	/* check if RF supports automatic Tx access gain control */
1532 	run_srom_read(sc, RT2860_EEPROM_CONFIG, &val);
1533 	DPRINTF(("EEPROM CFG 0x%04x\n", val));
1534 	/* check if driver should patch the DAC issue */
1535 	if ((val >> 8) != 0xff)
1536 		sc->patch_dac = (val >> 15) & 1;
1537 	if ((val & 0xff) != 0xff) {
1538 		sc->ext_5ghz_lna = (val >> 3) & 1;
1539 		sc->ext_2ghz_lna = (val >> 2) & 1;
1540 		/* check if RF supports automatic Tx access gain control */
1541 		sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1;
1542 		/* check if we have a hardware radio switch */
1543 		sc->rfswitch = val & 1;
1544 	}
1545 
1546 	/* Read Tx power settings. */
1547 	if (sc->mac_ver == 0x3593)
1548 		run_rt3593_get_txpower(sc);
1549 	else
1550 		run_get_txpower(sc);
1551 
1552 	/* read Tx power compensation for each Tx rate */
1553 	run_srom_read(sc, RT2860_EEPROM_DELTAPWR, &val);
1554 	delta_2ghz = delta_5ghz = 0;
1555 	if ((val & 0xff) != 0xff && (val & 0x80)) {
1556 		delta_2ghz = val & 0xf;
1557 		if (!(val & 0x40))	/* negative number */
1558 			delta_2ghz = -delta_2ghz;
1559 	}
1560 	val >>= 8;
1561 	if ((val & 0xff) != 0xff && (val & 0x80)) {
1562 		delta_5ghz = val & 0xf;
1563 		if (!(val & 0x40))	/* negative number */
1564 			delta_5ghz = -delta_5ghz;
1565 	}
1566 	DPRINTF(("power compensation=%d (2GHz), %d (5GHz)\n",
1567 	    delta_2ghz, delta_5ghz));
1568 
1569 	for (ridx = 0; ridx < 5; ridx++) {
1570 		uint32_t reg;
1571 
1572 		run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2, &val);
1573 		reg = val;
1574 		run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1, &val);
1575 		reg |= (uint32_t)val << 16;
1576 
1577 		sc->txpow20mhz[ridx] = reg;
1578 		sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz);
1579 		sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz);
1580 
1581 		DPRINTF(("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, "
1582 		    "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx],
1583 		    sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]));
1584 	}
1585 
1586 	/* read RSSI offsets and LNA gains from EEPROM */
1587 	run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_RSSI1_2GHZ :
1588 	    RT3593_EEPROM_RSSI1_2GHZ, &val);
1589 	sc->rssi_2ghz[0] = val & 0xff;	/* Ant A */
1590 	sc->rssi_2ghz[1] = val >> 8;	/* Ant B */
1591 	run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_RSSI2_2GHZ :
1592 	    RT3593_EEPROM_RSSI2_2GHZ, &val);
1593 	if (sc->mac_ver >= 0x3070) {
1594 		if (sc->mac_ver == 0x3593) {
1595 			sc->txmixgain_2ghz = 0;
1596 			sc->rssi_2ghz[2] = val & 0xff;	/* Ant C */
1597 		} else {
1598 			/*
1599 			 * On RT3070 chips (limited to 2 Rx chains), this ROM
1600 			 * field contains the Tx mixer gain for the 2GHz band.
1601 			 */
1602 			if ((val & 0xff) != 0xff)
1603 				sc->txmixgain_2ghz = val & 0x7;
1604 		}
1605 		DPRINTF(("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz));
1606 	} else
1607 		sc->rssi_2ghz[2] = val & 0xff;	/* Ant C */
1608 	if (sc->mac_ver == 0x3593)
1609 		run_srom_read(sc, RT3593_EEPROM_LNA_5GHZ, &val);
1610 	sc->lna[2] = val >> 8;		/* channel group 2 */
1611 
1612 	run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_RSSI1_5GHZ :
1613 	    RT3593_EEPROM_RSSI1_5GHZ, &val);
1614 	sc->rssi_5ghz[0] = val & 0xff;	/* Ant A */
1615 	sc->rssi_5ghz[1] = val >> 8;	/* Ant B */
1616 	run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_RSSI2_5GHZ :
1617 	    RT3593_EEPROM_RSSI2_5GHZ, &val);
1618 	if (sc->mac_ver == 0x3572) {
1619 		/*
1620 		 * On RT3572 chips (limited to 2 Rx chains), this ROM
1621 		 * field contains the Tx mixer gain for the 5GHz band.
1622 		 */
1623 		if ((val & 0xff) != 0xff)
1624 			sc->txmixgain_5ghz = val & 0x7;
1625 		DPRINTF(("tx mixer gain=%u (5GHz)\n", sc->txmixgain_5ghz));
1626 	} else
1627 		sc->rssi_5ghz[2] = val & 0xff;	/* Ant C */
1628 	if (sc->mac_ver == 0x3593) {
1629 		sc->txmixgain_5ghz = 0;
1630 		run_srom_read(sc, RT3593_EEPROM_LNA_5GHZ, &val);
1631 	}
1632 	sc->lna[3] = val >> 8;		/* channel group 3 */
1633 
1634 	run_srom_read(sc, (sc->mac_ver != 0x3593) ? RT2860_EEPROM_LNA :
1635 	    RT3593_EEPROM_LNA, &val);
1636 	sc->lna[0] = val & 0xff;	/* channel group 0 */
1637 	sc->lna[1] = val >> 8;		/* channel group 1 */
1638 
1639 	/* fix broken 5GHz LNA entries */
1640 	if (sc->lna[2] == 0 || sc->lna[2] == 0xff) {
1641 		DPRINTF(("invalid LNA for channel group %d\n", 2));
1642 		sc->lna[2] = sc->lna[1];
1643 	}
1644 	if (sc->lna[3] == 0 || sc->lna[3] == 0xff) {
1645 		DPRINTF(("invalid LNA for channel group %d\n", 3));
1646 		sc->lna[3] = sc->lna[1];
1647 	}
1648 
1649 	/* fix broken RSSI offset entries */
1650 	for (ant = 0; ant < 3; ant++) {
1651 		if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) {
1652 			DPRINTF(("invalid RSSI%d offset: %d (2GHz)\n",
1653 			    ant + 1, sc->rssi_2ghz[ant]));
1654 			sc->rssi_2ghz[ant] = 0;
1655 		}
1656 		if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) {
1657 			DPRINTF(("invalid RSSI%d offset: %d (5GHz)\n",
1658 			    ant + 1, sc->rssi_5ghz[ant]));
1659 			sc->rssi_5ghz[ant] = 0;
1660 		}
1661 	}
1662 	return 0;
1663 }
1664 
1665 struct ieee80211_node *
1666 run_node_alloc(struct ieee80211com *ic)
1667 {
1668 	return malloc(sizeof (struct run_node), M_USBDEV, M_NOWAIT | M_ZERO);
1669 }
1670 
1671 int
1672 run_media_change(struct ifnet *ifp)
1673 {
1674 	struct run_softc *sc = ifp->if_softc;
1675 	struct ieee80211com *ic = &sc->sc_ic;
1676 	uint8_t rate, ridx;
1677 	int error;
1678 
1679 	error = ieee80211_media_change(ifp);
1680 	if (error != ENETRESET)
1681 		return error;
1682 
1683 	if (ic->ic_fixed_rate != -1) {
1684 		rate = ic->ic_sup_rates[ic->ic_curmode].
1685 		    rs_rates[ic->ic_fixed_rate] & IEEE80211_RATE_VAL;
1686 		for (ridx = 0; ridx <= RT2860_RIDX_MAX; ridx++)
1687 			if (rt2860_rates[ridx].rate == rate)
1688 				break;
1689 		sc->fixed_ridx = ridx;
1690 	}
1691 
1692 	if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
1693 	    (IFF_UP | IFF_RUNNING)) {
1694 		run_stop(ifp, 0);
1695 		error = run_init(ifp);
1696 	}
1697 
1698 	return error;
1699 }
1700 
1701 void
1702 run_next_scan(void *arg)
1703 {
1704 	struct run_softc *sc = arg;
1705 	int s;
1706 
1707 	if (usbd_is_dying(sc->sc_udev))
1708 		return;
1709 
1710 	usbd_ref_incr(sc->sc_udev);
1711 
1712 	s = splnet();
1713 	if (sc->sc_ic.ic_state == IEEE80211_S_SCAN)
1714 		ieee80211_next_scan(&sc->sc_ic.ic_if);
1715 	splx(s);
1716 
1717 	usbd_ref_decr(sc->sc_udev);
1718 }
1719 
1720 void
1721 run_task(void *arg)
1722 {
1723 	struct run_softc *sc = arg;
1724 	struct run_host_cmd_ring *ring = &sc->cmdq;
1725 	struct run_host_cmd *cmd;
1726 	int s;
1727 
1728 	if (usbd_is_dying(sc->sc_udev))
1729 		return;
1730 
1731 	/* process host commands */
1732 	s = splusb();
1733 	while (ring->next != ring->cur) {
1734 		cmd = &ring->cmd[ring->next];
1735 		splx(s);
1736 		/* callback */
1737 		cmd->cb(sc, cmd->data);
1738 		s = splusb();
1739 		ring->queued--;
1740 		ring->next = (ring->next + 1) % RUN_HOST_CMD_RING_COUNT;
1741 	}
1742 	splx(s);
1743 }
1744 
1745 void
1746 run_do_async(struct run_softc *sc, void (*cb)(struct run_softc *, void *),
1747     void *arg, int len)
1748 {
1749 	struct run_host_cmd_ring *ring = &sc->cmdq;
1750 	struct run_host_cmd *cmd;
1751 	int s;
1752 
1753 	if (usbd_is_dying(sc->sc_udev))
1754 		return;
1755 
1756 	s = splusb();
1757 	cmd = &ring->cmd[ring->cur];
1758 	cmd->cb = cb;
1759 	KASSERT(len <= sizeof (cmd->data));
1760 	memcpy(cmd->data, arg, len);
1761 	ring->cur = (ring->cur + 1) % RUN_HOST_CMD_RING_COUNT;
1762 
1763 	/* if there is no pending command already, schedule a task */
1764 	if (++ring->queued == 1)
1765 		usb_add_task(sc->sc_udev, &sc->sc_task);
1766 	splx(s);
1767 }
1768 
1769 int
1770 run_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
1771 {
1772 	struct run_softc *sc = ic->ic_softc;
1773 	struct run_cmd_newstate cmd;
1774 
1775 	/* do it in a process context */
1776 	cmd.state = nstate;
1777 	cmd.arg = arg;
1778 	run_do_async(sc, run_newstate_cb, &cmd, sizeof cmd);
1779 	return 0;
1780 }
1781 
1782 void
1783 run_newstate_cb(struct run_softc *sc, void *arg)
1784 {
1785 	struct run_cmd_newstate *cmd = arg;
1786 	struct ieee80211com *ic = &sc->sc_ic;
1787 	enum ieee80211_state ostate;
1788 	struct ieee80211_node *ni;
1789 	uint32_t tmp, sta[3];
1790 	uint8_t wcid;
1791 	int s;
1792 
1793 	s = splnet();
1794 	ostate = ic->ic_state;
1795 
1796 	if (ostate == IEEE80211_S_RUN) {
1797 		/* turn link LED off */
1798 		run_set_leds(sc, RT2860_LED_RADIO);
1799 	}
1800 
1801 	switch (cmd->state) {
1802 	case IEEE80211_S_INIT:
1803 		if (ostate == IEEE80211_S_RUN) {
1804 			/* abort TSF synchronization */
1805 			run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
1806 			run_write(sc, RT2860_BCN_TIME_CFG,
1807 			    tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
1808 			    RT2860_TBTT_TIMER_EN));
1809 		}
1810 		break;
1811 
1812 	case IEEE80211_S_SCAN:
1813 		run_set_chan(sc, ic->ic_bss->ni_chan);
1814 		if (!usbd_is_dying(sc->sc_udev))
1815 			timeout_add_msec(&sc->scan_to, 200);
1816 		break;
1817 
1818 	case IEEE80211_S_AUTH:
1819 	case IEEE80211_S_ASSOC:
1820 		run_set_chan(sc, ic->ic_bss->ni_chan);
1821 		break;
1822 
1823 	case IEEE80211_S_RUN:
1824 		run_set_chan(sc, ic->ic_bss->ni_chan);
1825 
1826 		ni = ic->ic_bss;
1827 
1828 		if (ic->ic_opmode != IEEE80211_M_MONITOR) {
1829 			run_updateslot(ic);
1830 			run_enable_mrr(sc);
1831 			run_set_txpreamble(sc);
1832 			run_set_basicrates(sc);
1833 			run_set_bssid(sc, ni->ni_bssid);
1834 		}
1835 		if (ic->ic_opmode == IEEE80211_M_STA) {
1836 			/* add BSS entry to the WCID table */
1837 			wcid = RUN_AID2WCID(ni->ni_associd);
1838 			run_write_region_1(sc, RT2860_WCID_ENTRY(wcid),
1839 			    ni->ni_macaddr, IEEE80211_ADDR_LEN);
1840 
1841 			/* fake a join to init the tx rate */
1842 			run_newassoc(ic, ni, 1);
1843 		}
1844 		if (ic->ic_opmode != IEEE80211_M_MONITOR) {
1845 			run_enable_tsf_sync(sc);
1846 
1847 			/* clear statistic registers used by AMRR */
1848 			run_read_region_1(sc, RT2860_TX_STA_CNT0,
1849 			    (uint8_t *)sta, sizeof sta);
1850 			/* start calibration timer */
1851 			if (!usbd_is_dying(sc->sc_udev))
1852 				timeout_add_sec(&sc->calib_to, 1);
1853 		}
1854 
1855 		/* turn link LED on */
1856 		run_set_leds(sc, RT2860_LED_RADIO |
1857 		    (IEEE80211_IS_CHAN_2GHZ(ic->ic_bss->ni_chan) ?
1858 		     RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ));
1859 		break;
1860 	}
1861 	(void)sc->sc_newstate(ic, cmd->state, cmd->arg);
1862 	splx(s);
1863 }
1864 
1865 void
1866 run_updateedca(struct ieee80211com *ic)
1867 {
1868 	/* do it in a process context */
1869 	run_do_async(ic->ic_softc, run_updateedca_cb, NULL, 0);
1870 }
1871 
1872 /* ARGSUSED */
1873 void
1874 run_updateedca_cb(struct run_softc *sc, void *arg)
1875 {
1876 	struct ieee80211com *ic = &sc->sc_ic;
1877 	int s, aci;
1878 
1879 	s = splnet();
1880 	/* update MAC TX configuration registers */
1881 	for (aci = 0; aci < EDCA_NUM_AC; aci++) {
1882 		run_write(sc, RT2860_EDCA_AC_CFG(aci),
1883 		    ic->ic_edca_ac[aci].ac_ecwmax << 16 |
1884 		    ic->ic_edca_ac[aci].ac_ecwmin << 12 |
1885 		    ic->ic_edca_ac[aci].ac_aifsn  <<  8 |
1886 		    ic->ic_edca_ac[aci].ac_txoplimit);
1887 	}
1888 
1889 	/* update SCH/DMA registers too */
1890 	run_write(sc, RT2860_WMM_AIFSN_CFG,
1891 	    ic->ic_edca_ac[EDCA_AC_VO].ac_aifsn  << 12 |
1892 	    ic->ic_edca_ac[EDCA_AC_VI].ac_aifsn  <<  8 |
1893 	    ic->ic_edca_ac[EDCA_AC_BK].ac_aifsn  <<  4 |
1894 	    ic->ic_edca_ac[EDCA_AC_BE].ac_aifsn);
1895 	run_write(sc, RT2860_WMM_CWMIN_CFG,
1896 	    ic->ic_edca_ac[EDCA_AC_VO].ac_ecwmin << 12 |
1897 	    ic->ic_edca_ac[EDCA_AC_VI].ac_ecwmin <<  8 |
1898 	    ic->ic_edca_ac[EDCA_AC_BK].ac_ecwmin <<  4 |
1899 	    ic->ic_edca_ac[EDCA_AC_BE].ac_ecwmin);
1900 	run_write(sc, RT2860_WMM_CWMAX_CFG,
1901 	    ic->ic_edca_ac[EDCA_AC_VO].ac_ecwmax << 12 |
1902 	    ic->ic_edca_ac[EDCA_AC_VI].ac_ecwmax <<  8 |
1903 	    ic->ic_edca_ac[EDCA_AC_BK].ac_ecwmax <<  4 |
1904 	    ic->ic_edca_ac[EDCA_AC_BE].ac_ecwmax);
1905 	run_write(sc, RT2860_WMM_TXOP0_CFG,
1906 	    ic->ic_edca_ac[EDCA_AC_BK].ac_txoplimit << 16 |
1907 	    ic->ic_edca_ac[EDCA_AC_BE].ac_txoplimit);
1908 	run_write(sc, RT2860_WMM_TXOP1_CFG,
1909 	    ic->ic_edca_ac[EDCA_AC_VO].ac_txoplimit << 16 |
1910 	    ic->ic_edca_ac[EDCA_AC_VI].ac_txoplimit);
1911 	splx(s);
1912 }
1913 
1914 int
1915 run_set_key(struct ieee80211com *ic, struct ieee80211_node *ni,
1916     struct ieee80211_key *k)
1917 {
1918 	struct run_softc *sc = ic->ic_softc;
1919 	struct run_cmd_key cmd;
1920 
1921 	/* defer setting of WEP keys until interface is brought up */
1922 	if ((ic->ic_if.if_flags & (IFF_UP | IFF_RUNNING)) !=
1923 	    (IFF_UP | IFF_RUNNING))
1924 		return 0;
1925 
1926 	/* do it in a process context */
1927 	cmd.key = *k;
1928 	cmd.ni = ni;
1929 	run_do_async(sc, run_set_key_cb, &cmd, sizeof cmd);
1930 	sc->sc_key_tasks++;
1931 
1932 	return EBUSY;
1933 }
1934 
1935 void
1936 run_set_key_cb(struct run_softc *sc, void *arg)
1937 {
1938 	struct ieee80211com *ic = &sc->sc_ic;
1939 	struct run_cmd_key *cmd = arg;
1940 	struct ieee80211_key *k = &cmd->key;
1941 	uint32_t attr;
1942 	uint16_t base;
1943 	uint8_t mode, wcid, iv[8];
1944 
1945 	sc->sc_key_tasks--;
1946 
1947 	/* map net80211 cipher to RT2860 security mode */
1948 	switch (k->k_cipher) {
1949 	case IEEE80211_CIPHER_WEP40:
1950 		mode = RT2860_MODE_WEP40;
1951 		break;
1952 	case IEEE80211_CIPHER_WEP104:
1953 		mode = RT2860_MODE_WEP104;
1954 		break;
1955 	case IEEE80211_CIPHER_TKIP:
1956 		mode = RT2860_MODE_TKIP;
1957 		break;
1958 	case IEEE80211_CIPHER_CCMP:
1959 		mode = RT2860_MODE_AES_CCMP;
1960 		break;
1961 	default:
1962 		IEEE80211_SEND_MGMT(ic, cmd->ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1963 		    IEEE80211_REASON_AUTH_LEAVE);
1964 		ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1965 		return;
1966 	}
1967 
1968 	if (k->k_flags & IEEE80211_KEY_GROUP) {
1969 		wcid = 0;	/* NB: update WCID0 for group keys */
1970 		base = RT2860_SKEY(0, k->k_id);
1971 	} else {
1972 		wcid = (cmd->ni != NULL) ? RUN_AID2WCID(cmd->ni->ni_associd) : 0;
1973 		base = RT2860_PKEY(wcid);
1974 	}
1975 
1976 	if (k->k_cipher == IEEE80211_CIPHER_TKIP) {
1977 		run_write_region_1(sc, base, k->k_key, 16);
1978 		run_write_region_1(sc, base + 16, &k->k_key[24], 8);
1979 		run_write_region_1(sc, base + 24, &k->k_key[16], 8);
1980 	} else {
1981 		/* roundup len to 16-bit: XXX fix write_region_1() instead */
1982 		run_write_region_1(sc, base, k->k_key, (k->k_len + 1) & ~1);
1983 	}
1984 
1985 	if (!(k->k_flags & IEEE80211_KEY_GROUP) ||
1986 	    (k->k_flags & IEEE80211_KEY_TX)) {
1987 		/* set initial packet number in IV+EIV */
1988 		if (k->k_cipher == IEEE80211_CIPHER_WEP40 ||
1989 		    k->k_cipher == IEEE80211_CIPHER_WEP104) {
1990 			memset(iv, 0, sizeof iv);
1991 			iv[3] = sc->sc_ic.ic_def_txkey << 6;
1992 		} else {
1993 			if (k->k_cipher == IEEE80211_CIPHER_TKIP) {
1994 				iv[0] = k->k_tsc >> 8;
1995 				iv[1] = (iv[0] | 0x20) & 0x7f;
1996 				iv[2] = k->k_tsc;
1997 			} else /* CCMP */ {
1998 				iv[0] = k->k_tsc;
1999 				iv[1] = k->k_tsc >> 8;
2000 				iv[2] = 0;
2001 			}
2002 			iv[3] = k->k_id << 6 | IEEE80211_WEP_EXTIV;
2003 			iv[4] = k->k_tsc >> 16;
2004 			iv[5] = k->k_tsc >> 24;
2005 			iv[6] = k->k_tsc >> 32;
2006 			iv[7] = k->k_tsc >> 40;
2007 		}
2008 		run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8);
2009 	}
2010 
2011 	if (k->k_flags & IEEE80211_KEY_GROUP) {
2012 		/* install group key */
2013 		run_read(sc, RT2860_SKEY_MODE_0_7, &attr);
2014 		attr &= ~(0xf << (k->k_id * 4));
2015 		attr |= mode << (k->k_id * 4);
2016 		run_write(sc, RT2860_SKEY_MODE_0_7, attr);
2017 	} else {
2018 		/* install pairwise key */
2019 		run_read(sc, RT2860_WCID_ATTR(wcid), &attr);
2020 		attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN;
2021 		run_write(sc, RT2860_WCID_ATTR(wcid), attr);
2022 	}
2023 
2024 	if (sc->sc_key_tasks == 0) {
2025 		if (cmd->ni != NULL)
2026 			cmd->ni->ni_port_valid = 1;
2027 		ieee80211_set_link_state(ic, LINK_STATE_UP);
2028 	}
2029 }
2030 
2031 void
2032 run_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni,
2033     struct ieee80211_key *k)
2034 {
2035 	struct run_softc *sc = ic->ic_softc;
2036 	struct run_cmd_key cmd;
2037 
2038 	if (!(ic->ic_if.if_flags & IFF_RUNNING) ||
2039 	    ic->ic_state != IEEE80211_S_RUN)
2040 		return;	/* nothing to do */
2041 
2042 	/* do it in a process context */
2043 	cmd.key = *k;
2044 	cmd.ni = ni;
2045 	run_do_async(sc, run_delete_key_cb, &cmd, sizeof cmd);
2046 }
2047 
2048 void
2049 run_delete_key_cb(struct run_softc *sc, void *arg)
2050 {
2051 	struct run_cmd_key *cmd = arg;
2052 	struct ieee80211_key *k = &cmd->key;
2053 	uint32_t attr;
2054 	uint8_t wcid;
2055 
2056 	if (k->k_flags & IEEE80211_KEY_GROUP) {
2057 		/* remove group key */
2058 		run_read(sc, RT2860_SKEY_MODE_0_7, &attr);
2059 		attr &= ~(0xf << (k->k_id * 4));
2060 		run_write(sc, RT2860_SKEY_MODE_0_7, attr);
2061 
2062 	} else {
2063 		/* remove pairwise key */
2064 		wcid = (cmd->ni != NULL) ? RUN_AID2WCID(cmd->ni->ni_associd) : 0;
2065 		run_read(sc, RT2860_WCID_ATTR(wcid), &attr);
2066 		attr &= ~0xf;
2067 		run_write(sc, RT2860_WCID_ATTR(wcid), attr);
2068 	}
2069 }
2070 
2071 void
2072 run_calibrate_to(void *arg)
2073 {
2074 	/* do it in a process context */
2075 	run_do_async(arg, run_calibrate_cb, NULL, 0);
2076 	/* next timeout will be rescheduled in the calibration task */
2077 }
2078 
2079 /* ARGSUSED */
2080 void
2081 run_calibrate_cb(struct run_softc *sc, void *arg)
2082 {
2083 	struct ifnet *ifp = &sc->sc_ic.ic_if;
2084 	uint32_t sta[3];
2085 	int s, error;
2086 
2087 	/* read statistic counters (clear on read) and update AMRR state */
2088 	error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta,
2089 	    sizeof sta);
2090 	if (error != 0)
2091 		goto skip;
2092 
2093 	DPRINTF(("retrycnt=%d txcnt=%d failcnt=%d\n",
2094 	    letoh32(sta[1]) >> 16, letoh32(sta[1]) & 0xffff,
2095 	    letoh32(sta[0]) & 0xffff));
2096 
2097 	s = splnet();
2098 	/* count failed TX as errors */
2099 	ifp->if_oerrors += letoh32(sta[0]) & 0xffff;
2100 
2101 	sc->amn.amn_retrycnt =
2102 	    (letoh32(sta[0]) & 0xffff) +	/* failed TX count */
2103 	    (letoh32(sta[1]) >> 16);		/* TX retransmission count */
2104 
2105 	sc->amn.amn_txcnt =
2106 	    sc->amn.amn_retrycnt +
2107 	    (letoh32(sta[1]) & 0xffff);		/* successful TX count */
2108 
2109 	ieee80211_amrr_choose(&sc->amrr, sc->sc_ic.ic_bss, &sc->amn);
2110 	splx(s);
2111 
2112 skip:
2113 	if (!usbd_is_dying(sc->sc_udev))
2114 		timeout_add_sec(&sc->calib_to, 1);
2115 }
2116 
2117 void
2118 run_newassoc(struct ieee80211com *ic, struct ieee80211_node *ni, int isnew)
2119 {
2120 	struct run_softc *sc = ic->ic_softc;
2121 	struct run_node *rn = (void *)ni;
2122 	struct ieee80211_rateset *rs = &ni->ni_rates;
2123 	uint8_t rate;
2124 	int ridx, i, j;
2125 
2126 	DPRINTF(("new assoc isnew=%d addr=%s\n",
2127 	    isnew, ether_sprintf(ni->ni_macaddr)));
2128 
2129 	ieee80211_amrr_node_init(&sc->amrr, &sc->amn);
2130 	/* start at lowest available bit-rate, AMRR will raise */
2131 	ni->ni_txrate = 0;
2132 
2133 	for (i = 0; i < rs->rs_nrates; i++) {
2134 		rate = rs->rs_rates[i] & IEEE80211_RATE_VAL;
2135 		/* convert 802.11 rate to hardware rate index */
2136 		for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
2137 			if (rt2860_rates[ridx].rate == rate)
2138 				break;
2139 		rn->ridx[i] = ridx;
2140 		/* determine rate of control response frames */
2141 		for (j = i; j >= 0; j--) {
2142 			if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) &&
2143 			    rt2860_rates[rn->ridx[i]].phy ==
2144 			    rt2860_rates[rn->ridx[j]].phy)
2145 				break;
2146 		}
2147 		if (j >= 0) {
2148 			rn->ctl_ridx[i] = rn->ridx[j];
2149 		} else {
2150 			/* no basic rate found, use mandatory one */
2151 			rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx;
2152 		}
2153 		DPRINTF(("rate=0x%02x ridx=%d ctl_ridx=%d\n",
2154 		    rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]));
2155 	}
2156 }
2157 
2158 /*
2159  * Return the Rx chain with the highest RSSI for a given frame.
2160  */
2161 static __inline uint8_t
2162 run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi)
2163 {
2164 	uint8_t rxchain = 0;
2165 
2166 	if (sc->nrxchains > 1) {
2167 		if (rxwi->rssi[1] > rxwi->rssi[rxchain])
2168 			rxchain = 1;
2169 		if (sc->nrxchains > 2)
2170 			if (rxwi->rssi[2] > rxwi->rssi[rxchain])
2171 				rxchain = 2;
2172 	}
2173 	return rxchain;
2174 }
2175 
2176 void
2177 run_rx_frame(struct run_softc *sc, uint8_t *buf, int dmalen,
2178     struct mbuf_list *ml)
2179 {
2180 	struct ieee80211com *ic = &sc->sc_ic;
2181 	struct ifnet *ifp = &ic->ic_if;
2182 	struct ieee80211_frame *wh;
2183 	struct ieee80211_rxinfo rxi;
2184 	struct ieee80211_node *ni;
2185 	struct rt2870_rxd *rxd;
2186 	struct rt2860_rxwi *rxwi;
2187 	struct mbuf *m;
2188 	uint32_t flags;
2189 	uint16_t len;
2190 #if NBPFILTER > 0
2191 	uint16_t phy;
2192 #endif
2193 	uint16_t rxwisize;
2194 	uint8_t ant, rssi;
2195 	int s;
2196 
2197 	rxwi = (struct rt2860_rxwi *)buf;
2198 	rxwisize = sizeof(struct rt2860_rxwi);
2199 	if (sc->mac_ver == 0x5592)
2200 		rxwisize += sizeof(uint64_t);
2201 	else if (sc->mac_ver == 0x3593)
2202 		rxwisize += sizeof(uint32_t);
2203 	len = letoh16(rxwi->len) & 0xfff;
2204 	if (__predict_false(len > dmalen)) {
2205 		DPRINTF(("bad RXWI length %u > %u\n", len, dmalen));
2206 		return;
2207 	}
2208 	if (len > MCLBYTES) {
2209 		DPRINTF(("frame too large (length=%d)\n", len));
2210 		ifp->if_ierrors++;
2211 		return;
2212 	}
2213 	/* Rx descriptor is located at the end */
2214 	rxd = (struct rt2870_rxd *)(buf + dmalen);
2215 	flags = letoh32(rxd->flags);
2216 
2217 	if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) {
2218 		ifp->if_ierrors++;
2219 		return;
2220 	}
2221 
2222 	if (__predict_false((flags & RT2860_RX_MICERR))) {
2223 		/* report MIC failures to net80211 for TKIP */
2224 		ic->ic_stats.is_rx_locmicfail++;
2225 		ieee80211_michael_mic_failure(ic, 0/* XXX */);
2226 		ifp->if_ierrors++;
2227 		return;
2228 	}
2229 
2230 	wh = (struct ieee80211_frame *)(buf + rxwisize);
2231 	memset(&rxi, 0, sizeof(rxi));
2232 	if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
2233 		wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED;
2234 		rxi.rxi_flags |= IEEE80211_RXI_HWDEC;
2235 	}
2236 
2237 	if (flags & RT2860_RX_L2PAD) {
2238 		u_int hdrlen = ieee80211_get_hdrlen(wh);
2239 		memmove((caddr_t)wh + 2, wh, hdrlen);
2240 		wh = (struct ieee80211_frame *)((caddr_t)wh + 2);
2241 	}
2242 
2243 	/* could use m_devget but net80211 wants contig mgmt frames */
2244 	MGETHDR(m, M_DONTWAIT, MT_DATA);
2245 	if (__predict_false(m == NULL)) {
2246 		ifp->if_ierrors++;
2247 		return;
2248 	}
2249 	if (len > MHLEN) {
2250 		MCLGET(m, M_DONTWAIT);
2251 		if (__predict_false(!(m->m_flags & M_EXT))) {
2252 			ifp->if_ierrors++;
2253 			m_freem(m);
2254 			return;
2255 		}
2256 	}
2257 	/* finalize mbuf */
2258 	memcpy(mtod(m, caddr_t), wh, len);
2259 	m->m_pkthdr.len = m->m_len = len;
2260 
2261 	ant = run_maxrssi_chain(sc, rxwi);
2262 	rssi = rxwi->rssi[ant];
2263 
2264 #if NBPFILTER > 0
2265 	if (__predict_false(sc->sc_drvbpf != NULL)) {
2266 		struct run_rx_radiotap_header *tap = &sc->sc_rxtap;
2267 		struct mbuf mb;
2268 
2269 		tap->wr_flags = 0;
2270 		tap->wr_chan_freq = htole16(ic->ic_ibss_chan->ic_freq);
2271 		tap->wr_chan_flags = htole16(ic->ic_ibss_chan->ic_flags);
2272 		tap->wr_antsignal = rssi;
2273 		tap->wr_antenna = ant;
2274 		tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant);
2275 		tap->wr_rate = 2;	/* in case it can't be found below */
2276 		phy = letoh16(rxwi->phy);
2277 		switch (phy & RT2860_PHY_MODE) {
2278 		case RT2860_PHY_CCK:
2279 			switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) {
2280 			case 0:	tap->wr_rate =   2; break;
2281 			case 1:	tap->wr_rate =   4; break;
2282 			case 2:	tap->wr_rate =  11; break;
2283 			case 3:	tap->wr_rate =  22; break;
2284 			}
2285 			if (phy & RT2860_PHY_SHPRE)
2286 				tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2287 			break;
2288 		case RT2860_PHY_OFDM:
2289 			switch (phy & RT2860_PHY_MCS) {
2290 			case 0:	tap->wr_rate =  12; break;
2291 			case 1:	tap->wr_rate =  18; break;
2292 			case 2:	tap->wr_rate =  24; break;
2293 			case 3:	tap->wr_rate =  36; break;
2294 			case 4:	tap->wr_rate =  48; break;
2295 			case 5:	tap->wr_rate =  72; break;
2296 			case 6:	tap->wr_rate =  96; break;
2297 			case 7:	tap->wr_rate = 108; break;
2298 			}
2299 			break;
2300 		}
2301 		mb.m_data = (caddr_t)tap;
2302 		mb.m_len = sc->sc_rxtap_len;
2303 		mb.m_next = m;
2304 		mb.m_nextpkt = NULL;
2305 		mb.m_type = 0;
2306 		mb.m_flags = 0;
2307 		bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_IN);
2308 	}
2309 #endif
2310 
2311 	s = splnet();
2312 	ni = ieee80211_find_rxnode(ic, wh);
2313 	rxi.rxi_rssi = rssi;
2314 	ieee80211_inputm(ifp, m, ni, &rxi, ml);
2315 
2316 	/* node is no longer needed */
2317 	ieee80211_release_node(ic, ni);
2318 	splx(s);
2319 }
2320 
2321 void
2322 run_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
2323 {
2324 	struct mbuf_list ml = MBUF_LIST_INITIALIZER();
2325 	struct run_rx_data *data = priv;
2326 	struct run_softc *sc = data->sc;
2327 	uint8_t *buf;
2328 	uint32_t dmalen;
2329 	int xferlen;
2330 	uint16_t rxwisize;
2331 
2332 	rxwisize = sizeof(struct rt2860_rxwi);
2333 	if (sc->mac_ver == 0x5592)
2334 		rxwisize += sizeof(uint64_t);
2335 	else if (sc->mac_ver == 0x3593)
2336 		rxwisize += sizeof(uint32_t);
2337 
2338 	if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
2339 		DPRINTF(("RX status=%d\n", status));
2340 		if (status == USBD_STALLED)
2341 			usbd_clear_endpoint_stall_async(sc->rxq.pipeh);
2342 		if (status != USBD_CANCELLED)
2343 			goto skip;
2344 		return;
2345 	}
2346 	usbd_get_xfer_status(xfer, NULL, NULL, &xferlen, NULL);
2347 
2348 	if (__predict_false(xferlen < sizeof (uint32_t) + rxwisize +
2349 	    sizeof(struct rt2870_rxd))) {
2350 		DPRINTF(("xfer too short %d\n", xferlen));
2351 		goto skip;
2352 	}
2353 
2354 	/* HW can aggregate multiple 802.11 frames in a single USB xfer */
2355 	buf = data->buf;
2356 	while (xferlen > 8) {
2357 		dmalen = letoh32(*(uint32_t *)buf) & 0xffff;
2358 
2359 		if (__predict_false(dmalen == 0 || (dmalen & 3) != 0)) {
2360 			DPRINTF(("bad DMA length %u\n", dmalen));
2361 			break;
2362 		}
2363 		if (__predict_false(dmalen + 8 > xferlen)) {
2364 			DPRINTF(("bad DMA length %u > %d\n",
2365 			    dmalen + 8, xferlen));
2366 			break;
2367 		}
2368 		run_rx_frame(sc, buf + sizeof (uint32_t), dmalen, &ml);
2369 		buf += dmalen + 8;
2370 		xferlen -= dmalen + 8;
2371 	}
2372 	if_input(&sc->sc_ic.ic_if, &ml);
2373 
2374 skip:	/* setup a new transfer */
2375 	usbd_setup_xfer(xfer, sc->rxq.pipeh, data, data->buf, RUN_MAX_RXSZ,
2376 	    USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, run_rxeof);
2377 	(void)usbd_transfer(data->xfer);
2378 }
2379 
2380 void
2381 run_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
2382 {
2383 	struct run_tx_data *data = priv;
2384 	struct run_softc *sc = data->sc;
2385 	struct run_tx_ring *txq = &sc->txq[data->qid];
2386 	struct ifnet *ifp = &sc->sc_ic.ic_if;
2387 	int s;
2388 
2389 	s = splnet();
2390 	txq->queued--;
2391 	sc->qfullmsk &= ~(1 << data->qid);
2392 
2393 	if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
2394 		DPRINTF(("TX status=%d\n", status));
2395 		if (status == USBD_STALLED)
2396 			usbd_clear_endpoint_stall_async(txq->pipeh);
2397 		ifp->if_oerrors++;
2398 		splx(s);
2399 		return;
2400 	}
2401 
2402 	sc->sc_tx_timer = 0;
2403 	ifq_clr_oactive(&ifp->if_snd);
2404 	run_start(ifp);
2405 	splx(s);
2406 }
2407 
2408 int
2409 run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
2410 {
2411 	struct ieee80211com *ic = &sc->sc_ic;
2412 	struct run_node *rn = (void *)ni;
2413 	struct ieee80211_frame *wh;
2414 	struct run_tx_ring *ring;
2415 	struct run_tx_data *data;
2416 	struct rt2870_txd *txd;
2417 	struct rt2860_txwi *txwi;
2418 	uint16_t qos, dur;
2419 	uint16_t txwisize;
2420 	uint8_t type, mcs, tid, qid;
2421 	int error, hasqos, ridx, ctl_ridx, xferlen;
2422 
2423 	wh = mtod(m, struct ieee80211_frame *);
2424 	type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
2425 
2426 	if ((hasqos = ieee80211_has_qos(wh))) {
2427 		qos = ieee80211_get_qos(wh);
2428 		tid = qos & IEEE80211_QOS_TID;
2429 		qid = ieee80211_up_to_ac(ic, tid);
2430 	} else {
2431 		qos = 0;
2432 		tid = 0;
2433 		qid = EDCA_AC_BE;
2434 	}
2435 	ring = &sc->txq[qid];
2436 	data = &ring->data[ring->cur];
2437 
2438 	/* pickup a rate index */
2439 	if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
2440 	    type != IEEE80211_FC0_TYPE_DATA) {
2441 		ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
2442 		    RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
2443 		ctl_ridx = rt2860_rates[ridx].ctl_ridx;
2444 	} else if (ic->ic_fixed_rate != -1) {
2445 		ridx = sc->fixed_ridx;
2446 		ctl_ridx = rt2860_rates[ridx].ctl_ridx;
2447 	} else {
2448 		ridx = rn->ridx[ni->ni_txrate];
2449 		ctl_ridx = rn->ctl_ridx[ni->ni_txrate];
2450 	}
2451 
2452 	/* get MCS code from rate index */
2453 	mcs = rt2860_rates[ridx].mcs;
2454 
2455 	txwisize = sizeof(struct rt2860_txwi);
2456 	if (sc->mac_ver == 0x5592)
2457 		txwisize += sizeof(uint32_t);
2458 	xferlen = txwisize + m->m_pkthdr.len;
2459 
2460 	/* roundup to 32-bit alignment */
2461 	xferlen = (xferlen + 3) & ~3;
2462 
2463 	txd = (struct rt2870_txd *)data->buf;
2464 	txd->flags = RT2860_TX_QSEL_EDCA;
2465 	txd->len = htole16(xferlen);
2466 
2467 	/* setup TX Wireless Information */
2468 	txwi = (struct rt2860_txwi *)(txd + 1);
2469 	txwi->flags = 0;
2470 	txwi->xflags = hasqos ? 0 : RT2860_TX_NSEQ;
2471 	txwi->wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
2472 	    RUN_AID2WCID(ni->ni_associd) : 0xff;
2473 	txwi->len = htole16(m->m_pkthdr.len);
2474 	if (rt2860_rates[ridx].phy == IEEE80211_T_DS) {
2475 		txwi->phy = htole16(RT2860_PHY_CCK);
2476 		if (ridx != RT2860_RIDX_CCK1 &&
2477 		    (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
2478 			mcs |= RT2860_PHY_SHPRE;
2479 	} else
2480 		txwi->phy = htole16(RT2860_PHY_OFDM);
2481 	txwi->phy |= htole16(mcs);
2482 
2483 	txwi->txop = RT2860_TX_TXOP_BACKOFF;
2484 
2485 	if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
2486 	    (!hasqos || (qos & IEEE80211_QOS_ACK_POLICY_MASK) !=
2487 	     IEEE80211_QOS_ACK_POLICY_NOACK)) {
2488 		txwi->xflags |= RT2860_TX_ACK;
2489 		if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2490 			dur = rt2860_rates[ctl_ridx].sp_ack_dur;
2491 		else
2492 			dur = rt2860_rates[ctl_ridx].lp_ack_dur;
2493 		*(uint16_t *)wh->i_dur = htole16(dur);
2494 	}
2495 
2496 #if NBPFILTER > 0
2497 	if (__predict_false(sc->sc_drvbpf != NULL)) {
2498 		struct run_tx_radiotap_header *tap = &sc->sc_txtap;
2499 		struct mbuf mb;
2500 
2501 		tap->wt_flags = 0;
2502 		tap->wt_rate = rt2860_rates[ridx].rate;
2503 		tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq);
2504 		tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags);
2505 		if (mcs & RT2860_PHY_SHPRE)
2506 			tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2507 
2508 		mb.m_data = (caddr_t)tap;
2509 		mb.m_len = sc->sc_txtap_len;
2510 		mb.m_next = m;
2511 		mb.m_nextpkt = NULL;
2512 		mb.m_type = 0;
2513 		mb.m_flags = 0;
2514 		bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT);
2515 	}
2516 #endif
2517 
2518 	m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)txwi + txwisize);
2519 	m_freem(m);
2520 
2521 	xferlen += sizeof (*txd) + 4;
2522 
2523 	usbd_setup_xfer(data->xfer, ring->pipeh, data, data->buf, xferlen,
2524 	    USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RUN_TX_TIMEOUT, run_txeof);
2525 	error = usbd_transfer(data->xfer);
2526 	if (__predict_false(error != USBD_IN_PROGRESS && error != 0))
2527 		return error;
2528 
2529 	ieee80211_release_node(ic, ni);
2530 
2531 	ring->cur = (ring->cur + 1) % RUN_TX_RING_COUNT;
2532 	if (++ring->queued >= RUN_TX_RING_COUNT)
2533 		sc->qfullmsk |= 1 << qid;
2534 
2535 	return 0;
2536 }
2537 
2538 void
2539 run_start(struct ifnet *ifp)
2540 {
2541 	struct run_softc *sc = ifp->if_softc;
2542 	struct ieee80211com *ic = &sc->sc_ic;
2543 	struct ieee80211_node *ni;
2544 	struct mbuf *m;
2545 
2546 	if (!(ifp->if_flags & IFF_RUNNING) || ifq_is_oactive(&ifp->if_snd))
2547 		return;
2548 
2549 	for (;;) {
2550 		if (sc->qfullmsk != 0) {
2551 			ifq_set_oactive(&ifp->if_snd);
2552 			break;
2553 		}
2554 		/* send pending management frames first */
2555 		m = mq_dequeue(&ic->ic_mgtq);
2556 		if (m != NULL) {
2557 			ni = m->m_pkthdr.ph_cookie;
2558 			goto sendit;
2559 		}
2560 		if (ic->ic_state != IEEE80211_S_RUN)
2561 			break;
2562 
2563 		/* encapsulate and send data frames */
2564 		m = ifq_dequeue(&ifp->if_snd);
2565 		if (m == NULL)
2566 			break;
2567 #if NBPFILTER > 0
2568 		if (ifp->if_bpf != NULL)
2569 			bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT);
2570 #endif
2571 		if ((m = ieee80211_encap(ifp, m, &ni)) == NULL)
2572 			continue;
2573 sendit:
2574 #if NBPFILTER > 0
2575 		if (ic->ic_rawbpf != NULL)
2576 			bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_OUT);
2577 #endif
2578 		if (run_tx(sc, m, ni) != 0) {
2579 			ieee80211_release_node(ic, ni);
2580 			ifp->if_oerrors++;
2581 			continue;
2582 		}
2583 
2584 		sc->sc_tx_timer = 5;
2585 		ifp->if_timer = 1;
2586 	}
2587 }
2588 
2589 void
2590 run_watchdog(struct ifnet *ifp)
2591 {
2592 	struct run_softc *sc = ifp->if_softc;
2593 
2594 	ifp->if_timer = 0;
2595 
2596 	if (sc->sc_tx_timer > 0) {
2597 		if (--sc->sc_tx_timer == 0) {
2598 			printf("%s: device timeout\n", sc->sc_dev.dv_xname);
2599 			/* run_init(ifp); XXX needs a process context! */
2600 			ifp->if_oerrors++;
2601 			return;
2602 		}
2603 		ifp->if_timer = 1;
2604 	}
2605 
2606 	ieee80211_watchdog(ifp);
2607 }
2608 
2609 int
2610 run_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
2611 {
2612 	struct run_softc *sc = ifp->if_softc;
2613 	struct ieee80211com *ic = &sc->sc_ic;
2614 	int s, error = 0;
2615 
2616 	if (usbd_is_dying(sc->sc_udev))
2617 		return ENXIO;
2618 
2619 	usbd_ref_incr(sc->sc_udev);
2620 
2621 	s = splnet();
2622 
2623 	switch (cmd) {
2624 	case SIOCSIFADDR:
2625 		ifp->if_flags |= IFF_UP;
2626 		/* FALLTHROUGH */
2627 	case SIOCSIFFLAGS:
2628 		if (ifp->if_flags & IFF_UP) {
2629 			if (!(ifp->if_flags & IFF_RUNNING))
2630 				run_init(ifp);
2631 		} else {
2632 			if (ifp->if_flags & IFF_RUNNING)
2633 				run_stop(ifp, 1);
2634 		}
2635 		break;
2636 
2637 	case SIOCS80211CHANNEL:
2638 		/*
2639 		 * This allows for fast channel switching in monitor mode
2640 		 * (used by kismet).
2641 		 */
2642 		error = ieee80211_ioctl(ifp, cmd, data);
2643 		if (error == ENETRESET &&
2644 		    ic->ic_opmode == IEEE80211_M_MONITOR) {
2645 			if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
2646 			    (IFF_UP | IFF_RUNNING))
2647 				run_set_chan(sc, ic->ic_ibss_chan);
2648 			error = 0;
2649 		}
2650 		break;
2651 
2652 	default:
2653 		error = ieee80211_ioctl(ifp, cmd, data);
2654 	}
2655 
2656 	if (error == ENETRESET) {
2657 		if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
2658 		    (IFF_UP | IFF_RUNNING)) {
2659 			run_stop(ifp, 0);
2660 			run_init(ifp);
2661 		}
2662 		error = 0;
2663 	}
2664 
2665 	splx(s);
2666 
2667 	usbd_ref_decr(sc->sc_udev);
2668 
2669 	return error;
2670 }
2671 
2672 void
2673 run_iq_calib(struct run_softc *sc, u_int chan)
2674 {
2675 	uint16_t val;
2676 
2677 	/* Tx0 IQ gain. */
2678 	run_bbp_write(sc, 158, 0x2c);
2679 	if (chan <= 14)
2680 		run_efuse_read(sc, RT5390_EEPROM_IQ_GAIN_CAL_TX0_2GHZ, &val);
2681 	else if (chan <= 64) {
2682 		run_efuse_read(sc,
2683 		    RT5390_EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5GHZ, &val);
2684 	} else if (chan <= 138) {
2685 		run_efuse_read(sc,
2686 		    RT5390_EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5GHZ, &val);
2687 	} else if (chan <= 165) {
2688 		run_efuse_read(sc,
2689 	    RT5390_EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5GHZ,
2690 		    &val);
2691 	} else
2692 		val = 0;
2693 	run_bbp_write(sc, 159, val);
2694 
2695 	/* Tx0 IQ phase. */
2696 	run_bbp_write(sc, 158, 0x2d);
2697 	if (chan <= 14) {
2698 		run_efuse_read(sc, RT5390_EEPROM_IQ_PHASE_CAL_TX0_2GHZ, &val);
2699 	} else if (chan <= 64) {
2700 		run_efuse_read(sc,
2701 		    RT5390_EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5GHZ, &val);
2702 	} else if (chan <= 138) {
2703 		run_efuse_read(sc,
2704 		    RT5390_EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5GHZ, &val);
2705 	} else if (chan <= 165) {
2706 		run_efuse_read(sc,
2707 		    RT5390_EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5GHZ, &val);
2708 	} else
2709 		val = 0;
2710 	run_bbp_write(sc, 159, val);
2711 
2712 	/* Tx1 IQ gain. */
2713 	run_bbp_write(sc, 158, 0x4a);
2714 	if (chan <= 14) {
2715 		run_efuse_read(sc, RT5390_EEPROM_IQ_GAIN_CAL_TX1_2GHZ, &val);
2716 	} else if (chan <= 64) {
2717 		run_efuse_read(sc,
2718 		    RT5390_EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5GHZ, &val);
2719 	} else if (chan <= 138) {
2720 		run_efuse_read(sc,
2721 		    RT5390_EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5GHZ, &val);
2722 	} else if (chan <= 165) {
2723 		run_efuse_read(sc,
2724 		    RT5390_EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5GHZ, &val);
2725 	} else
2726 		val = 0;
2727 	run_bbp_write(sc, 159, val);
2728 
2729 	/* Tx1 IQ phase. */
2730 	run_bbp_write(sc, 158, 0x4b);
2731 	if (chan <= 14) {
2732 		run_efuse_read(sc, RT5390_EEPROM_IQ_PHASE_CAL_TX1_2GHZ, &val);
2733 	} else if (chan <= 64) {
2734 		run_efuse_read(sc,
2735 		    RT5390_EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5GHZ, &val);
2736 	} else if (chan <= 138) {
2737 		run_efuse_read(sc,
2738 		    RT5390_EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5GHZ, &val);
2739 	} else if (chan <= 165) {
2740 		run_efuse_read(sc,
2741 		    RT5390_EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5GHZ, &val);
2742 	} else
2743 		val = 0;
2744 	run_bbp_write(sc, 159, val);
2745 
2746 	/* RF IQ compensation control. */
2747 	run_bbp_write(sc, 158, 0x04);
2748 	run_efuse_read(sc, RT5390_EEPROM_RF_IQ_COMPENSATION_CTL, &val);
2749 	run_bbp_write(sc, 159, val);
2750 
2751 	/* RF IQ imbalance compensation control. */
2752 	run_bbp_write(sc, 158, 0x03);
2753 	run_efuse_read(sc,
2754 	    RT5390_EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CTL, &val);
2755 	run_bbp_write(sc, 159, val);
2756 }
2757 
2758 void
2759 run_select_chan_group(struct run_softc *sc, int group)
2760 {
2761 	uint32_t tmp;
2762 	uint8_t agc;
2763 
2764 	run_bbp_write(sc, 62, 0x37 - sc->lna[group]);
2765 	run_bbp_write(sc, 63, 0x37 - sc->lna[group]);
2766 	run_bbp_write(sc, 64, 0x37 - sc->lna[group]);
2767 	if (sc->mac_ver < 0x3572)
2768 		run_bbp_write(sc, 86, 0x00);
2769 
2770 	if (sc->mac_ver == 0x3593) {
2771 		run_bbp_write(sc, 77, 0x98);
2772 		run_bbp_write(sc, 83, (group == 0) ? 0x8a : 0x9a);
2773 	}
2774 
2775 	if (group == 0) {
2776 		if (sc->ext_2ghz_lna) {
2777 			if (sc->mac_ver >= 0x5390)
2778 				run_bbp_write(sc, 75, 0x52);
2779 			else {
2780 				run_bbp_write(sc, 82, 0x62);
2781 				run_bbp_write(sc, 75, 0x46);
2782 			}
2783 		} else {
2784 			if (sc->mac_ver == 0x5592) {
2785 				run_bbp_write(sc, 79, 0x1c);
2786 				run_bbp_write(sc, 80, 0x0e);
2787 				run_bbp_write(sc, 81, 0x3a);
2788 				run_bbp_write(sc, 82, 0x62);
2789 
2790 				run_bbp_write(sc, 195, 0x80);
2791 				run_bbp_write(sc, 196, 0xe0);
2792 				run_bbp_write(sc, 195, 0x81);
2793 				run_bbp_write(sc, 196, 0x1f);
2794 				run_bbp_write(sc, 195, 0x82);
2795 				run_bbp_write(sc, 196, 0x38);
2796 				run_bbp_write(sc, 195, 0x83);
2797 				run_bbp_write(sc, 196, 0x32);
2798 				run_bbp_write(sc, 195, 0x85);
2799 				run_bbp_write(sc, 196, 0x28);
2800 				run_bbp_write(sc, 195, 0x86);
2801 				run_bbp_write(sc, 196, 0x19);
2802 			} else if (sc->mac_ver >= 0x5390)
2803 				run_bbp_write(sc, 75, 0x50);
2804 			else {
2805 				run_bbp_write(sc, 82,
2806 				    (sc->mac_ver == 0x3593) ? 0x62 : 0x84);
2807 				run_bbp_write(sc, 75, 0x50);
2808 			}
2809 		}
2810 	} else {
2811 		if (sc->mac_ver == 0x5592) {
2812 			run_bbp_write(sc, 79, 0x18);
2813 			run_bbp_write(sc, 80, 0x08);
2814 			run_bbp_write(sc, 81, 0x38);
2815 			run_bbp_write(sc, 82, 0x92);
2816 
2817 			run_bbp_write(sc, 195, 0x80);
2818 			run_bbp_write(sc, 196, 0xf0);
2819 			run_bbp_write(sc, 195, 0x81);
2820 			run_bbp_write(sc, 196, 0x1e);
2821 			run_bbp_write(sc, 195, 0x82);
2822 			run_bbp_write(sc, 196, 0x28);
2823 			run_bbp_write(sc, 195, 0x83);
2824 			run_bbp_write(sc, 196, 0x20);
2825 			run_bbp_write(sc, 195, 0x85);
2826 			run_bbp_write(sc, 196, 0x7f);
2827 			run_bbp_write(sc, 195, 0x86);
2828 			run_bbp_write(sc, 196, 0x7f);
2829 		} else if (sc->mac_ver == 0x3572)
2830 			run_bbp_write(sc, 82, 0x94);
2831 		else
2832 			run_bbp_write(sc, 82,
2833 			    (sc->mac_ver == 0x3593) ? 0x82 : 0xf2);
2834 		if (sc->ext_5ghz_lna)
2835 			run_bbp_write(sc, 75, 0x46);
2836 		else
2837 			run_bbp_write(sc, 75, 0x50);
2838 	}
2839 
2840 	run_read(sc, RT2860_TX_BAND_CFG, &tmp);
2841 	tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P);
2842 	tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P;
2843 	run_write(sc, RT2860_TX_BAND_CFG, tmp);
2844 
2845 	/* enable appropriate Power Amplifiers and Low Noise Amplifiers */
2846 	tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN;
2847 	if (sc->mac_ver == 0x3593)
2848 		tmp |= 1 << 29 | 1 << 28;
2849 	if (sc->nrxchains > 1)
2850 		tmp |= RT2860_LNA_PE1_EN;
2851 	if (group == 0) {	/* 2GHz */
2852 		tmp |= RT2860_PA_PE_G0_EN;
2853 		if (sc->ntxchains > 1)
2854 			tmp |= RT2860_PA_PE_G1_EN;
2855 		if (sc->mac_ver == 0x3593) {
2856 			if (sc->ntxchains > 2)
2857 				tmp |= 1 << 25;
2858 		}
2859 	} else {		/* 5GHz */
2860 		tmp |= RT2860_PA_PE_A0_EN;
2861 		if (sc->ntxchains > 1)
2862 			tmp |= RT2860_PA_PE_A1_EN;
2863 	}
2864 	if (sc->mac_ver == 0x3572) {
2865 		run_rt3070_rf_write(sc, 8, 0x00);
2866 		run_write(sc, RT2860_TX_PIN_CFG, tmp);
2867 		run_rt3070_rf_write(sc, 8, 0x80);
2868 	} else
2869 		run_write(sc, RT2860_TX_PIN_CFG, tmp);
2870 
2871 	if (sc->mac_ver == 0x5592) {
2872 		run_bbp_write(sc, 195, 0x8d);
2873 		run_bbp_write(sc, 196, 0x1a);
2874 	}
2875 
2876 	if (sc->mac_ver == 0x3593) {
2877 		run_read(sc, RT2860_GPIO_CTRL, &tmp);
2878 		tmp &= ~0x01010000;
2879 		if (group == 0)
2880 			tmp |= 0x00010000;
2881 		tmp = (tmp & ~0x00009090) | 0x00000090;
2882 		run_write(sc, RT2860_GPIO_CTRL, tmp);
2883 	}
2884 
2885 	/* set initial AGC value */
2886 	if (group == 0) {	/* 2GHz band */
2887 		if (sc->mac_ver >= 0x3070)
2888 			agc = 0x1c + sc->lna[0] * 2;
2889 		else
2890 			agc = 0x2e + sc->lna[0];
2891 	} else {		/* 5GHz band */
2892 		if (sc->mac_ver == 0x5592)
2893 			agc = 0x24 + sc->lna[group] * 2;
2894 		else if (sc->mac_ver == 0x3572 || sc->mac_ver == 0x3593)
2895 			agc = 0x22 + (sc->lna[group] * 5) / 3;
2896 		else
2897 			agc = 0x32 + (sc->lna[group] * 5) / 3;
2898 	}
2899 	run_set_agc(sc, agc);
2900 }
2901 
2902 void
2903 run_rt2870_set_chan(struct run_softc *sc, u_int chan)
2904 {
2905 	const struct rfprog *rfprog = rt2860_rf2850;
2906 	uint32_t r2, r3, r4;
2907 	int8_t txpow1, txpow2;
2908 	int i;
2909 
2910 	/* find the settings for this channel (we know it exists) */
2911 	for (i = 0; rfprog[i].chan != chan; i++);
2912 
2913 	r2 = rfprog[i].r2;
2914 	if (sc->ntxchains == 1)
2915 		r2 |= 1 << 12;		/* 1T: disable Tx chain 2 */
2916 	if (sc->nrxchains == 1)
2917 		r2 |= 1 << 15 | 1 << 4;	/* 1R: disable Rx chains 2 & 3 */
2918 	else if (sc->nrxchains == 2)
2919 		r2 |= 1 << 4;		/* 2R: disable Rx chain 3 */
2920 
2921 	/* use Tx power values from EEPROM */
2922 	txpow1 = sc->txpow1[i];
2923 	txpow2 = sc->txpow2[i];
2924 	if (chan > 14) {
2925 		if (txpow1 >= 0)
2926 			txpow1 = txpow1 << 1 | 1;
2927 		else
2928 			txpow1 = (7 + txpow1) << 1;
2929 		if (txpow2 >= 0)
2930 			txpow2 = txpow2 << 1 | 1;
2931 		else
2932 			txpow2 = (7 + txpow2) << 1;
2933 	}
2934 	r3 = rfprog[i].r3 | txpow1 << 7;
2935 	r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4;
2936 
2937 	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2938 	run_rt2870_rf_write(sc, RT2860_RF2, r2);
2939 	run_rt2870_rf_write(sc, RT2860_RF3, r3);
2940 	run_rt2870_rf_write(sc, RT2860_RF4, r4);
2941 
2942 	DELAY(200);
2943 
2944 	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2945 	run_rt2870_rf_write(sc, RT2860_RF2, r2);
2946 	run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1);
2947 	run_rt2870_rf_write(sc, RT2860_RF4, r4);
2948 
2949 	DELAY(200);
2950 
2951 	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2952 	run_rt2870_rf_write(sc, RT2860_RF2, r2);
2953 	run_rt2870_rf_write(sc, RT2860_RF3, r3);
2954 	run_rt2870_rf_write(sc, RT2860_RF4, r4);
2955 }
2956 
2957 void
2958 run_rt3070_set_chan(struct run_softc *sc, u_int chan)
2959 {
2960 	int8_t txpow1, txpow2;
2961 	uint8_t rf;
2962 	int i;
2963 
2964 	/* find the settings for this channel (we know it exists) */
2965 	for (i = 0; rt2860_rf2850[i].chan != chan; i++);
2966 
2967 	/* use Tx power values from EEPROM */
2968 	txpow1 = sc->txpow1[i];
2969 	txpow2 = sc->txpow2[i];
2970 
2971 	run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
2972 
2973 	/* RT3370/RT3390: RF R3 [7:4] is not reserved bits. */
2974 	run_rt3070_rf_read(sc, 3, &rf);
2975 	rf = (rf & ~0x0f) | rt3070_freqs[i].k;
2976 	run_rt3070_rf_write(sc, 3, rf);
2977 
2978 	run_rt3070_rf_read(sc, 6, &rf);
2979 	rf = (rf & ~0x03) | rt3070_freqs[i].r;
2980 	run_rt3070_rf_write(sc, 6, rf);
2981 
2982 	/* set Tx0 power */
2983 	run_rt3070_rf_read(sc, 12, &rf);
2984 	rf = (rf & ~0x1f) | txpow1;
2985 	run_rt3070_rf_write(sc, 12, rf);
2986 
2987 	/* set Tx1 power */
2988 	run_rt3070_rf_read(sc, 13, &rf);
2989 	rf = (rf & ~0x1f) | txpow2;
2990 	run_rt3070_rf_write(sc, 13, rf);
2991 
2992 	run_rt3070_rf_read(sc, 1, &rf);
2993 	rf &= ~0xfc;
2994 	if (sc->ntxchains == 1)
2995 		rf |= 1 << 7 | 1 << 5;	/* 1T: disable Tx chains 2 & 3 */
2996 	else if (sc->ntxchains == 2)
2997 		rf |= 1 << 7;		/* 2T: disable Tx chain 3 */
2998 	if (sc->nrxchains == 1)
2999 		rf |= 1 << 6 | 1 << 4;	/* 1R: disable Rx chains 2 & 3 */
3000 	else if (sc->nrxchains == 2)
3001 		rf |= 1 << 6;		/* 2R: disable Rx chain 3 */
3002 	run_rt3070_rf_write(sc, 1, rf);
3003 
3004 	/* set RF offset */
3005 	run_rt3070_rf_read(sc, 23, &rf);
3006 	rf = (rf & ~0x7f) | sc->freq;
3007 	run_rt3070_rf_write(sc, 23, rf);
3008 
3009 	/* program RF filter */
3010 	run_rt3070_rf_read(sc, 24, &rf);	/* Tx */
3011 	rf = (rf & ~0x3f) | sc->rf24_20mhz;
3012 	run_rt3070_rf_write(sc, 24, rf);
3013 	run_rt3070_rf_read(sc, 31, &rf);	/* Rx */
3014 	rf = (rf & ~0x3f) | sc->rf24_20mhz;
3015 	run_rt3070_rf_write(sc, 31, rf);
3016 
3017 	/* enable RF tuning */
3018 	run_rt3070_rf_read(sc, 7, &rf);
3019 	run_rt3070_rf_write(sc, 7, rf | 0x01);
3020 }
3021 
3022 void
3023 run_rt3572_set_chan(struct run_softc *sc, u_int chan)
3024 {
3025 	int8_t txpow1, txpow2;
3026 	uint32_t tmp;
3027 	uint8_t rf;
3028 	int i;
3029 
3030 	/* find the settings for this channel (we know it exists) */
3031 	for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3032 
3033 	/* use Tx power values from EEPROM */
3034 	txpow1 = sc->txpow1[i];
3035 	txpow2 = sc->txpow2[i];
3036 
3037 	if (chan <= 14) {
3038 		run_bbp_write(sc, 25, sc->bbp25);
3039 		run_bbp_write(sc, 26, sc->bbp26);
3040 	} else {
3041 		/* enable IQ phase correction */
3042 		run_bbp_write(sc, 25, 0x09);
3043 		run_bbp_write(sc, 26, 0xff);
3044 	}
3045 
3046 	run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
3047 	run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
3048 	run_rt3070_rf_read(sc, 6, &rf);
3049 	rf  = (rf & ~0x0f) | rt3070_freqs[i].r;
3050 	rf |= (chan <= 14) ? 0x08 : 0x04;
3051 	run_rt3070_rf_write(sc, 6, rf);
3052 
3053 	/* set PLL mode */
3054 	run_rt3070_rf_read(sc, 5, &rf);
3055 	rf &= ~(0x08 | 0x04);
3056 	rf |= (chan <= 14) ? 0x04 : 0x08;
3057 	run_rt3070_rf_write(sc, 5, rf);
3058 
3059 	/* set Tx power for chain 0 */
3060 	if (chan <= 14)
3061 		rf = 0x60 | txpow1;
3062 	else
3063 		rf = 0xe0 | (txpow1 & 0xc) << 1 | (txpow1 & 0x3);
3064 	run_rt3070_rf_write(sc, 12, rf);
3065 
3066 	/* set Tx power for chain 1 */
3067 	if (chan <= 14)
3068 		rf = 0x60 | txpow2;
3069 	else
3070 		rf = 0xe0 | (txpow2 & 0xc) << 1 | (txpow2 & 0x3);
3071 	run_rt3070_rf_write(sc, 13, rf);
3072 
3073 	/* set Tx/Rx streams */
3074 	run_rt3070_rf_read(sc, 1, &rf);
3075 	rf &= ~0xfc;
3076 	if (sc->ntxchains == 1)
3077 		rf |= 1 << 7 | 1 << 5;	/* 1T: disable Tx chains 2 & 3 */
3078 	else if (sc->ntxchains == 2)
3079 		rf |= 1 << 7;		/* 2T: disable Tx chain 3 */
3080 	if (sc->nrxchains == 1)
3081 		rf |= 1 << 6 | 1 << 4;	/* 1R: disable Rx chains 2 & 3 */
3082 	else if (sc->nrxchains == 2)
3083 		rf |= 1 << 6;		/* 2R: disable Rx chain 3 */
3084 	run_rt3070_rf_write(sc, 1, rf);
3085 
3086 	/* set RF offset */
3087 	run_rt3070_rf_read(sc, 23, &rf);
3088 	rf = (rf & ~0x7f) | sc->freq;
3089 	run_rt3070_rf_write(sc, 23, rf);
3090 
3091 	/* program RF filter */
3092 	rf = sc->rf24_20mhz;
3093 	run_rt3070_rf_write(sc, 24, rf);	/* Tx */
3094 	run_rt3070_rf_write(sc, 31, rf);	/* Rx */
3095 
3096 	/* enable RF tuning */
3097 	run_rt3070_rf_read(sc, 7, &rf);
3098 	rf = (chan <= 14) ? 0xd8 : ((rf & ~0xc8) | 0x14);
3099 	run_rt3070_rf_write(sc, 7, rf);
3100 
3101 	/* TSSI */
3102 	rf = (chan <= 14) ? 0xc3 : 0xc0;
3103 	run_rt3070_rf_write(sc, 9, rf);
3104 
3105 	/* set loop filter 1 */
3106 	run_rt3070_rf_write(sc, 10, 0xf1);
3107 	/* set loop filter 2 */
3108 	run_rt3070_rf_write(sc, 11, (chan <= 14) ? 0xb9 : 0x00);
3109 
3110 	/* set tx_mx2_ic */
3111 	run_rt3070_rf_write(sc, 15, (chan <= 14) ? 0x53 : 0x43);
3112 	/* set tx_mx1_ic */
3113 	if (chan <= 14)
3114 		rf = 0x48 | sc->txmixgain_2ghz;
3115 	else
3116 		rf = 0x78 | sc->txmixgain_5ghz;
3117 	run_rt3070_rf_write(sc, 16, rf);
3118 
3119 	/* set tx_lo1 */
3120 	run_rt3070_rf_write(sc, 17, 0x23);
3121 	/* set tx_lo2 */
3122 	if (chan <= 14)
3123 		rf = 0x93;
3124 	else if (chan <= 64)
3125 		rf = 0xb7;
3126 	else if (chan <= 128)
3127 		rf = 0x74;
3128 	else
3129 		rf = 0x72;
3130 	run_rt3070_rf_write(sc, 19, rf);
3131 
3132 	/* set rx_lo1 */
3133 	if (chan <= 14)
3134 		rf = 0xb3;
3135 	else if (chan <= 64)
3136 		rf = 0xf6;
3137 	else if (chan <= 128)
3138 		rf = 0xf4;
3139 	else
3140 		rf = 0xf3;
3141 	run_rt3070_rf_write(sc, 20, rf);
3142 
3143 	/* set pfd_delay */
3144 	if (chan <= 14)
3145 		rf = 0x15;
3146 	else if (chan <= 64)
3147 		rf = 0x3d;
3148 	else
3149 		rf = 0x01;
3150 	run_rt3070_rf_write(sc, 25, rf);
3151 
3152 	/* set rx_lo2 */
3153 	run_rt3070_rf_write(sc, 26, (chan <= 14) ? 0x85 : 0x87);
3154 	/* set ldo_rf_vc */
3155 	run_rt3070_rf_write(sc, 27, (chan <= 14) ? 0x00 : 0x01);
3156 	/* set drv_cc */
3157 	run_rt3070_rf_write(sc, 29, (chan <= 14) ? 0x9b : 0x9f);
3158 
3159 	run_read(sc, RT2860_GPIO_CTRL, &tmp);
3160 	tmp &= ~0x8080;
3161 	if (chan <= 14)
3162 		tmp |= 0x80;
3163 	run_write(sc, RT2860_GPIO_CTRL, tmp);
3164 
3165 	/* enable RF tuning */
3166 	run_rt3070_rf_read(sc, 7, &rf);
3167 	run_rt3070_rf_write(sc, 7, rf | 0x01);
3168 
3169 	DELAY(2000);
3170 }
3171 
3172 void
3173 run_rt3593_set_chan(struct run_softc *sc, u_int chan)
3174 {
3175 	int8_t txpow1, txpow2, txpow3;
3176 	uint8_t h20mhz, rf;
3177 	int i;
3178 
3179 	/* find the settings for this channel (we know it exists) */
3180 	for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3181 
3182 	/* use Tx power values from EEPROM */
3183 	txpow1 = sc->txpow1[i];
3184 	txpow2 = sc->txpow2[i];
3185 	txpow3 = (sc->ntxchains == 3) ? sc->txpow3[i] : 0;
3186 
3187 	if (chan <= 14) {
3188 		run_bbp_write(sc, 25, sc->bbp25);
3189 		run_bbp_write(sc, 26, sc->bbp26);
3190 	} else {
3191 		/* Enable IQ phase correction. */
3192 		run_bbp_write(sc, 25, 0x09);
3193 		run_bbp_write(sc, 26, 0xff);
3194 	}
3195 
3196 	run_rt3070_rf_write(sc, 8, rt3070_freqs[i].n);
3197 	run_rt3070_rf_write(sc, 9, rt3070_freqs[i].k & 0x0f);
3198 	run_rt3070_rf_read(sc, 11, &rf);
3199 	rf = (rf & ~0x03) | (rt3070_freqs[i].r & 0x03);
3200 	run_rt3070_rf_write(sc, 11, rf);
3201 
3202 	/* Set pll_idoh. */
3203 	run_rt3070_rf_read(sc, 11, &rf);
3204 	rf &= ~0x4c;
3205 	rf |= (chan <= 14) ? 0x44 : 0x48;
3206 	run_rt3070_rf_write(sc, 11, rf);
3207 
3208 	if (chan <= 14)
3209 		rf = txpow1 & 0x1f;
3210 	else
3211 		rf = 0x40 | ((txpow1 & 0x18) << 1) | (txpow1 & 0x07);
3212 	run_rt3070_rf_write(sc, 53, rf);
3213 
3214 	if (chan <= 14)
3215 		rf = txpow2 & 0x1f;
3216 	else
3217 		rf = 0x40 | ((txpow2 & 0x18) << 1) | (txpow2 & 0x07);
3218 	run_rt3070_rf_write(sc, 55, rf);
3219 
3220 	if (chan <= 14)
3221 		rf = txpow3 & 0x1f;
3222 	else
3223 		rf = 0x40 | ((txpow3 & 0x18) << 1) | (txpow3 & 0x07);
3224 	run_rt3070_rf_write(sc, 54, rf);
3225 
3226 	rf = RT3070_RF_BLOCK | RT3070_PLL_PD;
3227 	if (sc->ntxchains == 3)
3228 		rf |= RT3070_TX0_PD | RT3070_TX1_PD | RT3070_TX2_PD;
3229 	else
3230 		rf |= RT3070_TX0_PD | RT3070_TX1_PD;
3231 	rf |= RT3070_RX0_PD | RT3070_RX1_PD | RT3070_RX2_PD;
3232 	run_rt3070_rf_write(sc, 1, rf);
3233 
3234 	run_adjust_freq_offset(sc);
3235 
3236 	run_rt3070_rf_write(sc, 31, (chan <= 14) ? 0xa0 : 0x80);
3237 
3238 	h20mhz = (sc->rf24_20mhz & 0x20) >> 5;
3239 	run_rt3070_rf_read(sc, 30, &rf);
3240 	rf = (rf & ~0x06) | (h20mhz << 1) | (h20mhz << 2);
3241 	run_rt3070_rf_write(sc, 30, rf);
3242 
3243 	run_rt3070_rf_read(sc, 36, &rf);
3244 	if (chan <= 14)
3245 		rf |= 0x80;
3246 	else
3247 		rf &= ~0x80;
3248 	run_rt3070_rf_write(sc, 36, rf);
3249 
3250 	/* Set vcolo_bs. */
3251 	run_rt3070_rf_write(sc, 34, (chan <= 14) ? 0x3c : 0x20);
3252 	/* Set pfd_delay. */
3253 	run_rt3070_rf_write(sc, 12, (chan <= 14) ? 0x1a : 0x12);
3254 
3255 	/* Set vco bias current control. */
3256 	run_rt3070_rf_read(sc, 6, &rf);
3257 	rf &= ~0xc0;
3258 	if (chan <= 14)
3259 		rf |= 0x40;
3260 	else if (chan <= 128)
3261 		rf |= 0x80;
3262 	else
3263 		rf |= 0x40;
3264 	run_rt3070_rf_write(sc, 6, rf);
3265 
3266 	run_rt3070_rf_read(sc, 30, &rf);
3267 	rf = (rf & ~0x18) | 0x10;
3268 	run_rt3070_rf_write(sc, 30, rf);
3269 
3270 	run_rt3070_rf_write(sc, 10, (chan <= 14) ? 0xd3 : 0xd8);
3271 	run_rt3070_rf_write(sc, 13, (chan <= 14) ? 0x12 : 0x23);
3272 
3273 	run_rt3070_rf_read(sc, 51, &rf);
3274 	rf = (rf & ~0x03) | 0x01;
3275 	run_rt3070_rf_write(sc, 51, rf);
3276 	/* Set tx_mx1_cc. */
3277 	run_rt3070_rf_read(sc, 51, &rf);
3278 	rf &= ~0x1c;
3279 	rf |= (chan <= 14) ? 0x14 : 0x10;
3280 	run_rt3070_rf_write(sc, 51, rf);
3281 	/* Set tx_mx1_ic. */
3282 	run_rt3070_rf_read(sc, 51, &rf);
3283 	rf &= ~0xe0;
3284 	rf |= (chan <= 14) ? 0x60 : 0x40;
3285 	run_rt3070_rf_write(sc, 51, rf);
3286 	/* Set tx_lo1_ic. */
3287 	run_rt3070_rf_read(sc, 49, &rf);
3288 	rf &= ~0x1c;
3289 	rf |= (chan <= 14) ? 0x0c : 0x08;
3290 	run_rt3070_rf_write(sc, 49, rf);
3291 	/* Set tx_lo1_en. */
3292 	run_rt3070_rf_read(sc, 50, &rf);
3293 	run_rt3070_rf_write(sc, 50, rf & ~0x20);
3294 	/* Set drv_cc. */
3295 	run_rt3070_rf_read(sc, 57, &rf);
3296 	rf &= ~0xfc;
3297 	rf |= (chan <= 14) ?  0x6c : 0x3c;
3298 	run_rt3070_rf_write(sc, 57, rf);
3299 	/* Set rx_mix1_ic, rxa_lnactr, lna_vc, lna_inbias_en and lna_en. */
3300 	run_rt3070_rf_write(sc, 44, (chan <= 14) ? 0x93 : 0x9b);
3301 	/* Set drv_gnd_a, tx_vga_cc_a and tx_mx2_gain. */
3302 	run_rt3070_rf_write(sc, 52, (chan <= 14) ? 0x45 : 0x05);
3303 	/* Enable VCO calibration. */
3304 	run_rt3070_rf_read(sc, 3, &rf);
3305 	rf &= ~RT3593_VCOCAL;
3306 	rf |= (chan <= 14) ? RT3593_VCOCAL : 0xbe;
3307 	run_rt3070_rf_write(sc, 3, rf);
3308 
3309 	if (chan <= 14)
3310 		rf = 0x23;
3311 	else if (chan <= 64)
3312 		rf = 0x36;
3313 	else if (chan <= 128)
3314 		rf = 0x32;
3315 	else
3316 		rf = 0x30;
3317 	run_rt3070_rf_write(sc, 39, rf);
3318 	if (chan <= 14)
3319 		rf = 0xbb;
3320 	else if (chan <= 64)
3321 		rf = 0xeb;
3322 	else if (chan <= 128)
3323 		rf = 0xb3;
3324 	else
3325 		rf = 0x9b;
3326 	run_rt3070_rf_write(sc, 45, rf);
3327 
3328 	/* Set FEQ/AEQ control. */
3329 	run_bbp_write(sc, 105, 0x34);
3330 }
3331 
3332 void
3333 run_rt5390_set_chan(struct run_softc *sc, u_int chan)
3334 {
3335 	int8_t txpow1, txpow2;
3336 	uint8_t rf;
3337 	int i;
3338 
3339 	/* find the settings for this channel (we know it exists) */
3340 	for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3341 
3342 	/* use Tx power values from EEPROM */
3343 	txpow1 = sc->txpow1[i];
3344 	txpow2 = sc->txpow2[i];
3345 
3346 	run_rt3070_rf_write(sc, 8, rt3070_freqs[i].n);
3347 	run_rt3070_rf_write(sc, 9, rt3070_freqs[i].k & 0x0f);
3348 	run_rt3070_rf_read(sc, 11, &rf);
3349 	rf = (rf & ~0x03) | (rt3070_freqs[i].r & 0x03);
3350 	run_rt3070_rf_write(sc, 11, rf);
3351 
3352 	run_rt3070_rf_read(sc, 49, &rf);
3353 	rf = (rf & ~0x3f) | (txpow1 & 0x3f);
3354 	/* The valid range of the RF R49 is 0x00 to 0x27. */
3355 	if ((rf & 0x3f) > 0x27)
3356 		rf = (rf & ~0x3f) | 0x27;
3357 	run_rt3070_rf_write(sc, 49, rf);
3358 
3359 	if (sc->mac_ver == 0x5392) {
3360 		run_rt3070_rf_read(sc, 50, &rf);
3361 		rf = (rf & ~0x3f) | (txpow2 & 0x3f);
3362 		/* The valid range of the RF R50 is 0x00 to 0x27. */
3363 		if ((rf & 0x3f) > 0x27)
3364 			rf = (rf & ~0x3f) | 0x27;
3365 		run_rt3070_rf_write(sc, 50, rf);
3366 	}
3367 
3368 	run_rt3070_rf_read(sc, 1, &rf);
3369 	rf |= RT3070_RF_BLOCK | RT3070_PLL_PD | RT3070_RX0_PD | RT3070_TX0_PD;
3370 	if (sc->mac_ver == 0x5392)
3371 		rf |= RT3070_RX1_PD | RT3070_TX1_PD;
3372 	run_rt3070_rf_write(sc, 1, rf);
3373 
3374 	if (sc->mac_ver != 0x5392) {
3375 		run_rt3070_rf_read(sc, 2, &rf);
3376 		rf |= 0x80;
3377 		run_rt3070_rf_write(sc, 2, rf);
3378 		DELAY(10);
3379 		rf &= 0x7f;
3380 		run_rt3070_rf_write(sc, 2, rf);
3381 	}
3382 
3383 	run_adjust_freq_offset(sc);
3384 
3385 	if (sc->mac_ver == 0x5392) {
3386 		/* Fix for RT5392C. */
3387 		if (sc->mac_rev >= 0x0223) {
3388 			if (chan <= 4)
3389 				rf = 0x0f;
3390 			else if (chan >= 5 && chan <= 7)
3391 				rf = 0x0e;
3392 			else
3393 				rf = 0x0d;
3394 			run_rt3070_rf_write(sc, 23, rf);
3395 
3396 			if (chan <= 4)
3397 				rf = 0x0c;
3398 			else if (chan == 5)
3399 				rf = 0x0b;
3400 			else if (chan >= 6 && chan <= 7)
3401 				rf = 0x0a;
3402 			else if (chan >= 8 && chan <= 10)
3403 				rf = 0x09;
3404 			else
3405 				rf = 0x08;
3406 			run_rt3070_rf_write(sc, 59, rf);
3407 		} else {
3408 			if (chan <= 11)
3409 				rf = 0x0f;
3410 			else
3411 				rf = 0x0b;
3412 			run_rt3070_rf_write(sc, 59, rf);
3413 		}
3414 	} else {
3415 		/* Fix for RT5390F. */
3416 		if (sc->mac_rev >= 0x0502) {
3417 			if (chan <= 11)
3418 				rf = 0x43;
3419 			else
3420 				rf = 0x23;
3421 			run_rt3070_rf_write(sc, 55, rf);
3422 
3423 			if (chan <= 11)
3424 				rf = 0x0f;
3425 			else if (chan == 12)
3426 				rf = 0x0d;
3427 			else
3428 				rf = 0x0b;
3429 			run_rt3070_rf_write(sc, 59, rf);
3430 		} else {
3431 			run_rt3070_rf_write(sc, 55, 0x44);
3432 			run_rt3070_rf_write(sc, 59, 0x8f);
3433 		}
3434 	}
3435 
3436 	/* Enable VCO calibration. */
3437 	run_rt3070_rf_read(sc, 3, &rf);
3438 	rf |= RT3593_VCOCAL;
3439 	run_rt3070_rf_write(sc, 3, rf);
3440 }
3441 
3442 void
3443 run_rt5592_set_chan(struct run_softc *sc, u_int chan)
3444 {
3445 	const struct rt5592_freqs *freqs;
3446 	uint32_t tmp;
3447 	uint8_t reg, rf, txpow_bound;
3448 	int8_t txpow1, txpow2;
3449 	int i;
3450 
3451 	run_read(sc, RT5592_DEBUG_INDEX, &tmp);
3452 	freqs = (tmp & RT5592_SEL_XTAL) ?
3453 	    rt5592_freqs_40mhz : rt5592_freqs_20mhz;
3454 
3455 	/* find the settings for this channel (we know it exists) */
3456 	for (i = 0; rt2860_rf2850[i].chan != chan; i++, freqs++);
3457 
3458 	/* use Tx power values from EEPROM */
3459 	txpow1 = sc->txpow1[i];
3460 	txpow2 = sc->txpow2[i];
3461 
3462 	run_read(sc, RT3070_LDO_CFG0, &tmp);
3463 	tmp &= ~0x1c000000;
3464 	if (chan > 14)
3465 		tmp |= 0x14000000;
3466 	run_write(sc, RT3070_LDO_CFG0, tmp);
3467 
3468 	/* N setting. */
3469 	run_rt3070_rf_write(sc, 8, freqs->n & 0xff);
3470 	run_rt3070_rf_read(sc, 9, &rf);
3471 	rf &= ~(1 << 4);
3472 	rf |= ((freqs->n & 0x0100) >> 8) << 4;
3473 	run_rt3070_rf_write(sc, 9, rf);
3474 
3475 	/* K setting. */
3476 	run_rt3070_rf_read(sc, 9, &rf);
3477 	rf &= ~0x0f;
3478 	rf |= (freqs->k & 0x0f);
3479 	run_rt3070_rf_write(sc, 9, rf);
3480 
3481 	/* Mode setting. */
3482 	run_rt3070_rf_read(sc, 11, &rf);
3483 	rf &= ~0x0c;
3484 	rf |= ((freqs->m - 0x8) & 0x3) << 2;
3485 	run_rt3070_rf_write(sc, 11, rf);
3486 	run_rt3070_rf_read(sc, 9, &rf);
3487 	rf &= ~(1 << 7);
3488 	rf |= (((freqs->m - 0x8) & 0x4) >> 2) << 7;
3489 	run_rt3070_rf_write(sc, 9, rf);
3490 
3491 	/* R setting. */
3492 	run_rt3070_rf_read(sc, 11, &rf);
3493 	rf &= ~0x03;
3494 	rf |= (freqs->r - 0x1);
3495 	run_rt3070_rf_write(sc, 11, rf);
3496 
3497 	if (chan <= 14) {
3498 		/* Initialize RF registers for 2GHZ. */
3499 		for (i = 0; i < nitems(rt5592_2ghz_def_rf); i++) {
3500 			run_rt3070_rf_write(sc, rt5592_2ghz_def_rf[i].reg,
3501 			    rt5592_2ghz_def_rf[i].val);
3502 		}
3503 
3504 		rf = (chan <= 10) ? 0x07 : 0x06;
3505 		run_rt3070_rf_write(sc, 23, rf);
3506 		run_rt3070_rf_write(sc, 59, rf);
3507 
3508 		run_rt3070_rf_write(sc, 55, 0x43);
3509 
3510 		/*
3511 		 * RF R49/R50 Tx power ALC code.
3512 		 * G-band bit<7:6>=1:0, bit<5:0> range from 0x0 ~ 0x27.
3513 		 */
3514 		reg = 2;
3515 		txpow_bound = 0x27;
3516 	} else {
3517 		/* Initialize RF registers for 5GHZ. */
3518 		for (i = 0; i < nitems(rt5592_5ghz_def_rf); i++) {
3519 			run_rt3070_rf_write(sc, rt5592_5ghz_def_rf[i].reg,
3520 			    rt5592_5ghz_def_rf[i].val);
3521 		}
3522 		for (i = 0; i < nitems(rt5592_chan_5ghz); i++) {
3523 			if (chan >= rt5592_chan_5ghz[i].firstchan &&
3524 			    chan <= rt5592_chan_5ghz[i].lastchan) {
3525 				run_rt3070_rf_write(sc, rt5592_chan_5ghz[i].reg,
3526 				    rt5592_chan_5ghz[i].val);
3527 			}
3528 		}
3529 
3530 		/*
3531 		 * RF R49/R50 Tx power ALC code.
3532 		 * A-band bit<7:6>=1:1, bit<5:0> range from 0x0 ~ 0x2b.
3533 		 */
3534 		reg = 3;
3535 		txpow_bound = 0x2b;
3536 	}
3537 
3538 	/* RF R49 ch0 Tx power ALC code. */
3539 	run_rt3070_rf_read(sc, 49, &rf);
3540 	rf &= ~0xc0;
3541 	rf |= (reg << 6);
3542 	rf = (rf & ~0x3f) | (txpow1 & 0x3f);
3543 	if ((rf & 0x3f) > txpow_bound)
3544 		rf = (rf & ~0x3f) | txpow_bound;
3545 	run_rt3070_rf_write(sc, 49, rf);
3546 
3547 	/* RF R50 ch1 Tx power ALC code. */
3548 	run_rt3070_rf_read(sc, 50, &rf);
3549 	rf &= ~(1 << 7 | 1 << 6);
3550 	rf |= (reg << 6);
3551 	rf = (rf & ~0x3f) | (txpow2 & 0x3f);
3552 	if ((rf & 0x3f) > txpow_bound)
3553 		rf = (rf & ~0x3f) | txpow_bound;
3554 	run_rt3070_rf_write(sc, 50, rf);
3555 
3556 	/* Enable RF_BLOCK, PLL_PD, RX0_PD, and TX0_PD. */
3557 	run_rt3070_rf_read(sc, 1, &rf);
3558 	rf |= (RT3070_RF_BLOCK | RT3070_PLL_PD | RT3070_RX0_PD | RT3070_TX0_PD);
3559 	if (sc->ntxchains > 1)
3560 		rf |= RT3070_TX1_PD;
3561 	if (sc->nrxchains > 1)
3562 		rf |= RT3070_RX1_PD;
3563 	run_rt3070_rf_write(sc, 1, rf);
3564 
3565 	run_rt3070_rf_write(sc, 6, 0xe4);
3566 
3567 	run_rt3070_rf_write(sc, 30, 0x10);
3568 	run_rt3070_rf_write(sc, 31, 0x80);
3569 	run_rt3070_rf_write(sc, 32, 0x80);
3570 
3571 	run_adjust_freq_offset(sc);
3572 
3573 	/* Enable VCO calibration. */
3574 	run_rt3070_rf_read(sc, 3, &rf);
3575 	rf |= RT3593_VCOCAL;
3576 	run_rt3070_rf_write(sc, 3, rf);
3577 }
3578 
3579 void
3580 run_set_agc(struct run_softc *sc, uint8_t agc)
3581 {
3582 	uint8_t bbp;
3583 
3584 	if (sc->mac_ver == 0x3572) {
3585 		run_bbp_read(sc, 27, &bbp);
3586 		bbp &= ~(0x3 << 5);
3587 		run_bbp_write(sc, 27, bbp | 0 << 5);	/* select Rx0 */
3588 		run_bbp_write(sc, 66, agc);
3589 		run_bbp_write(sc, 27, bbp | 1 << 5);	/* select Rx1 */
3590 		run_bbp_write(sc, 66, agc);
3591 	} else
3592 		run_bbp_write(sc, 66, agc);
3593 }
3594 
3595 void
3596 run_set_rx_antenna(struct run_softc *sc, int aux)
3597 {
3598 	uint32_t tmp;
3599 	uint8_t bbp152;
3600 
3601 	if (aux) {
3602 		if (sc->rf_rev == RT5390_RF_5370) {
3603 			run_bbp_read(sc, 152, &bbp152);
3604 			run_bbp_write(sc, 152, bbp152 & ~0x80);
3605 		} else {
3606 			run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 0);
3607 			run_read(sc, RT2860_GPIO_CTRL, &tmp);
3608 			run_write(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08);
3609 		}
3610 	} else {
3611 		if (sc->rf_rev == RT5390_RF_5370) {
3612 			run_bbp_read(sc, 152, &bbp152);
3613 			run_bbp_write(sc, 152, bbp152 | 0x80);
3614 		} else {
3615 			run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 1);
3616 			run_read(sc, RT2860_GPIO_CTRL, &tmp);
3617 			run_write(sc, RT2860_GPIO_CTRL, tmp & ~0x0808);
3618 		}
3619 	}
3620 }
3621 
3622 int
3623 run_set_chan(struct run_softc *sc, struct ieee80211_channel *c)
3624 {
3625 	struct ieee80211com *ic = &sc->sc_ic;
3626 	u_int chan, group;
3627 
3628 	chan = ieee80211_chan2ieee(ic, c);
3629 	if (chan == 0 || chan == IEEE80211_CHAN_ANY)
3630 		return EINVAL;
3631 
3632 	if (sc->mac_ver == 0x5592)
3633 		run_rt5592_set_chan(sc, chan);
3634 	else if (sc->mac_ver >= 0x5390)
3635 		run_rt5390_set_chan(sc, chan);
3636 	else if (sc->mac_ver == 0x3593)
3637 		run_rt3593_set_chan(sc, chan);
3638 	else if (sc->mac_ver == 0x3572)
3639 		run_rt3572_set_chan(sc, chan);
3640 	else if (sc->mac_ver >= 0x3070)
3641 		run_rt3070_set_chan(sc, chan);
3642 	else
3643 		run_rt2870_set_chan(sc, chan);
3644 
3645 	/* determine channel group */
3646 	if (chan <= 14)
3647 		group = 0;
3648 	else if (chan <= 64)
3649 		group = 1;
3650 	else if (chan <= 128)
3651 		group = 2;
3652 	else
3653 		group = 3;
3654 
3655 	/* XXX necessary only when group has changed! */
3656 	run_select_chan_group(sc, group);
3657 
3658 	DELAY(1000);
3659 
3660 	/* Perform IQ calibration. */
3661 	if (sc->mac_ver >= 0x5392)
3662 		run_iq_calib(sc, chan);
3663 
3664 	return 0;
3665 }
3666 
3667 void
3668 run_enable_tsf_sync(struct run_softc *sc)
3669 {
3670 	struct ieee80211com *ic = &sc->sc_ic;
3671 	uint32_t tmp;
3672 
3673 	run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
3674 	tmp &= ~0x1fffff;
3675 	tmp |= ic->ic_bss->ni_intval * 16;
3676 	tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN;
3677 	/* local TSF is always updated with remote TSF on beacon reception */
3678 	tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT;
3679 	run_write(sc, RT2860_BCN_TIME_CFG, tmp);
3680 }
3681 
3682 void
3683 run_enable_mrr(struct run_softc *sc)
3684 {
3685 #define CCK(mcs)	(mcs)
3686 #define OFDM(mcs)	(1 << 3 | (mcs))
3687 	run_write(sc, RT2860_LG_FBK_CFG0,
3688 	    OFDM(6) << 28 |	/* 54->48 */
3689 	    OFDM(5) << 24 |	/* 48->36 */
3690 	    OFDM(4) << 20 |	/* 36->24 */
3691 	    OFDM(3) << 16 |	/* 24->18 */
3692 	    OFDM(2) << 12 |	/* 18->12 */
3693 	    OFDM(1) <<  8 |	/* 12-> 9 */
3694 	    OFDM(0) <<  4 |	/*  9-> 6 */
3695 	    OFDM(0));		/*  6-> 6 */
3696 
3697 	run_write(sc, RT2860_LG_FBK_CFG1,
3698 	    CCK(2) << 12 |	/* 11->5.5 */
3699 	    CCK(1) <<  8 |	/* 5.5-> 2 */
3700 	    CCK(0) <<  4 |	/*   2-> 1 */
3701 	    CCK(0));		/*   1-> 1 */
3702 #undef OFDM
3703 #undef CCK
3704 }
3705 
3706 void
3707 run_set_txpreamble(struct run_softc *sc)
3708 {
3709 	uint32_t tmp;
3710 
3711 	run_read(sc, RT2860_AUTO_RSP_CFG, &tmp);
3712 	if (sc->sc_ic.ic_flags & IEEE80211_F_SHPREAMBLE)
3713 		tmp |= RT2860_CCK_SHORT_EN;
3714 	else
3715 		tmp &= ~RT2860_CCK_SHORT_EN;
3716 	run_write(sc, RT2860_AUTO_RSP_CFG, tmp);
3717 }
3718 
3719 void
3720 run_set_basicrates(struct run_softc *sc)
3721 {
3722 	struct ieee80211com *ic = &sc->sc_ic;
3723 
3724 	/* set basic rates mask */
3725 	if (ic->ic_curmode == IEEE80211_MODE_11B)
3726 		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x003);
3727 	else if (ic->ic_curmode == IEEE80211_MODE_11A)
3728 		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x150);
3729 	else	/* 11g */
3730 		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x15f);
3731 }
3732 
3733 void
3734 run_set_leds(struct run_softc *sc, uint16_t which)
3735 {
3736 	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LEDS,
3737 	    which | (sc->leds & 0x7f));
3738 }
3739 
3740 void
3741 run_set_bssid(struct run_softc *sc, const uint8_t *bssid)
3742 {
3743 	run_write(sc, RT2860_MAC_BSSID_DW0,
3744 	    bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
3745 	run_write(sc, RT2860_MAC_BSSID_DW1,
3746 	    bssid[4] | bssid[5] << 8);
3747 }
3748 
3749 void
3750 run_set_macaddr(struct run_softc *sc, const uint8_t *addr)
3751 {
3752 	run_write(sc, RT2860_MAC_ADDR_DW0,
3753 	    addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3754 	run_write(sc, RT2860_MAC_ADDR_DW1,
3755 	    addr[4] | addr[5] << 8 | 0xff << 16);
3756 }
3757 
3758 void
3759 run_updateslot(struct ieee80211com *ic)
3760 {
3761 	/* do it in a process context */
3762 	run_do_async(ic->ic_softc, run_updateslot_cb, NULL, 0);
3763 }
3764 
3765 /* ARGSUSED */
3766 void
3767 run_updateslot_cb(struct run_softc *sc, void *arg)
3768 {
3769 	uint32_t tmp;
3770 
3771 	run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp);
3772 	tmp &= ~0xff;
3773 	tmp |= (sc->sc_ic.ic_flags & IEEE80211_F_SHSLOT) ?
3774 	    IEEE80211_DUR_DS_SHSLOT : IEEE80211_DUR_DS_SLOT;
3775 	run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp);
3776 }
3777 
3778 #if NBPFILTER > 0
3779 int8_t
3780 run_rssi2dbm(struct run_softc *sc, uint8_t rssi, uint8_t rxchain)
3781 {
3782 	struct ieee80211com *ic = &sc->sc_ic;
3783 	struct ieee80211_channel *c = ic->ic_ibss_chan;
3784 	int delta;
3785 
3786 	if (IEEE80211_IS_CHAN_5GHZ(c)) {
3787 		u_int chan = ieee80211_chan2ieee(ic, c);
3788 		delta = sc->rssi_5ghz[rxchain];
3789 
3790 		/* determine channel group */
3791 		if (chan <= 64)
3792 			delta -= sc->lna[1];
3793 		else if (chan <= 128)
3794 			delta -= sc->lna[2];
3795 		else
3796 			delta -= sc->lna[3];
3797 	} else
3798 		delta = sc->rssi_2ghz[rxchain] - sc->lna[0];
3799 
3800 	return -12 - delta - rssi;
3801 }
3802 #endif
3803 
3804 void
3805 run_rt5390_bbp_init(struct run_softc *sc)
3806 {
3807 	int i;
3808 	uint8_t bbp;
3809 
3810 	/* Apply maximum likelihood detection for 2 stream case. */
3811 	run_bbp_read(sc, 105, &bbp);
3812 	if (sc->nrxchains > 1)
3813 		run_bbp_write(sc, 105, bbp | RT5390_MLD);
3814 
3815 	/* Avoid data lost and CRC error. */
3816 	run_bbp_read(sc, 4, &bbp);
3817 	run_bbp_write(sc, 4, bbp | RT5390_MAC_IF_CTRL);
3818 
3819 	if (sc->mac_ver == 0x5592) {
3820 		for (i = 0; i < nitems(rt5592_def_bbp); i++) {
3821 			run_bbp_write(sc, rt5592_def_bbp[i].reg,
3822 			    rt5592_def_bbp[i].val);
3823 		}
3824 		for (i = 0; i < nitems(rt5592_bbp_r196); i++) {
3825 			run_bbp_write(sc, 195, i + 0x80);
3826 			run_bbp_write(sc, 196, rt5592_bbp_r196[i]);
3827 		}
3828 	} else {
3829 		for (i = 0; i < nitems(rt5390_def_bbp); i++) {
3830 			run_bbp_write(sc, rt5390_def_bbp[i].reg,
3831 			    rt5390_def_bbp[i].val);
3832 		}
3833 	}
3834 	if (sc->mac_ver == 0x5392) {
3835 		run_bbp_write(sc, 88, 0x90);
3836 		run_bbp_write(sc, 95, 0x9a);
3837 		run_bbp_write(sc, 98, 0x12);
3838 		run_bbp_write(sc, 106, 0x12);
3839 		run_bbp_write(sc, 134, 0xd0);
3840 		run_bbp_write(sc, 135, 0xf6);
3841 		run_bbp_write(sc, 148, 0x84);
3842 	}
3843 
3844 	run_bbp_read(sc, 152, &bbp);
3845 	run_bbp_write(sc, 152, bbp | 0x80);
3846 
3847 	/* Fix BBP254 for RT5592C. */
3848 	if (sc->mac_ver == 0x5592 && sc->mac_rev >= 0x0221) {
3849 		run_bbp_read(sc, 254, &bbp);
3850 		run_bbp_write(sc, 254, bbp | 0x80);
3851 	}
3852 
3853 	/* Disable hardware antenna diversity. */
3854 	if (sc->mac_ver == 0x5390)
3855 		run_bbp_write(sc, 154, 0);
3856 
3857 	/* Initialize Rx CCK/OFDM frequency offset report. */
3858 	run_bbp_write(sc, 142, 1);
3859 	run_bbp_write(sc, 143, 57);
3860 }
3861 
3862 int
3863 run_bbp_init(struct run_softc *sc)
3864 {
3865 	int i, error, ntries;
3866 	uint8_t bbp0;
3867 
3868 	/* wait for BBP to wake up */
3869 	for (ntries = 0; ntries < 20; ntries++) {
3870 		if ((error = run_bbp_read(sc, 0, &bbp0)) != 0)
3871 			return error;
3872 		if (bbp0 != 0 && bbp0 != 0xff)
3873 			break;
3874 	}
3875 	if (ntries == 20)
3876 		return ETIMEDOUT;
3877 
3878 	/* initialize BBP registers to default values */
3879 	if (sc->mac_ver >= 0x5390)
3880 		run_rt5390_bbp_init(sc);
3881 	else {
3882 		for (i = 0; i < nitems(rt2860_def_bbp); i++) {
3883 			run_bbp_write(sc, rt2860_def_bbp[i].reg,
3884 			    rt2860_def_bbp[i].val);
3885 		}
3886 	}
3887 
3888 	if (sc->mac_ver == 0x3593) {
3889 		run_bbp_write(sc, 79, 0x13);
3890 		run_bbp_write(sc, 80, 0x05);
3891 		run_bbp_write(sc, 81, 0x33);
3892 		run_bbp_write(sc, 86, 0x46);
3893 		run_bbp_write(sc, 137, 0x0f);
3894 	}
3895 
3896 	/* fix BBP84 for RT2860E */
3897 	if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101)
3898 		run_bbp_write(sc, 84, 0x19);
3899 
3900 	if (sc->mac_ver >= 0x3070 && (sc->mac_ver != 0x3593 &&
3901 	    sc->mac_ver != 0x5592)) {
3902 		run_bbp_write(sc, 79, 0x13);
3903 		run_bbp_write(sc, 80, 0x05);
3904 		run_bbp_write(sc, 81, 0x33);
3905 	} else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) {
3906 		run_bbp_write(sc, 69, 0x16);
3907 		run_bbp_write(sc, 73, 0x12);
3908 	}
3909 	return 0;
3910 }
3911 
3912 int
3913 run_rt3070_rf_init(struct run_softc *sc)
3914 {
3915 	uint32_t tmp;
3916 	uint8_t bbp4, mingain, rf, target;
3917 	int i;
3918 
3919 	run_rt3070_rf_read(sc, 30, &rf);
3920 	/* toggle RF R30 bit 7 */
3921 	run_rt3070_rf_write(sc, 30, rf | 0x80);
3922 	DELAY(1000);
3923 	run_rt3070_rf_write(sc, 30, rf & ~0x80);
3924 
3925 	/* initialize RF registers to default value */
3926 	if (sc->mac_ver == 0x3572) {
3927 		for (i = 0; i < nitems(rt3572_def_rf); i++) {
3928 			run_rt3070_rf_write(sc, rt3572_def_rf[i].reg,
3929 			    rt3572_def_rf[i].val);
3930 		}
3931 	} else {
3932 		for (i = 0; i < nitems(rt3070_def_rf); i++) {
3933 			run_rt3070_rf_write(sc, rt3070_def_rf[i].reg,
3934 			    rt3070_def_rf[i].val);
3935 		}
3936 	}
3937 	if (sc->mac_ver == 0x3070 && sc->mac_rev < 0x0201) {
3938 		/*
3939 		 * Change voltage from 1.2V to 1.35V for RT3070.
3940 		 * The DAC issue (RT3070_LDO_CFG0) has been fixed
3941 		 * in RT3070(F).
3942 		 */
3943 		run_read(sc, RT3070_LDO_CFG0, &tmp);
3944 		tmp = (tmp & ~0x0f000000) | 0x0d000000;
3945 		run_write(sc, RT3070_LDO_CFG0, tmp);
3946 
3947 	} else if (sc->mac_ver == 0x3071) {
3948 		run_rt3070_rf_read(sc, 6, &rf);
3949 		run_rt3070_rf_write(sc, 6, rf | 0x40);
3950 		run_rt3070_rf_write(sc, 31, 0x14);
3951 
3952 		run_read(sc, RT3070_LDO_CFG0, &tmp);
3953 		tmp &= ~0x1f000000;
3954 		if (sc->mac_rev < 0x0211)
3955 			tmp |= 0x0d000000;	/* 1.35V */
3956 		else
3957 			tmp |= 0x01000000;	/* 1.2V */
3958 		run_write(sc, RT3070_LDO_CFG0, tmp);
3959 
3960 		/* patch LNA_PE_G1 */
3961 		run_read(sc, RT3070_GPIO_SWITCH, &tmp);
3962 		run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20);
3963 
3964 	} else if (sc->mac_ver == 0x3572) {
3965 		run_rt3070_rf_read(sc, 6, &rf);
3966 		run_rt3070_rf_write(sc, 6, rf | 0x40);
3967 		/* increase voltage from 1.2V to 1.35V */
3968 		run_read(sc, RT3070_LDO_CFG0, &tmp);
3969 		tmp = (tmp & ~0x1f000000) | 0x0d000000;
3970 		run_write(sc, RT3070_LDO_CFG0, tmp);
3971 
3972 		if (sc->mac_rev < 0x0211 || !sc->patch_dac) {
3973 			DELAY(1);	/* wait for 1msec */
3974 			/* decrease voltage back to 1.2V */
3975 			tmp = (tmp & ~0x1f000000) | 0x01000000;
3976 			run_write(sc, RT3070_LDO_CFG0, tmp);
3977 		}
3978 	}
3979 
3980 	/* select 20MHz bandwidth */
3981 	run_rt3070_rf_read(sc, 31, &rf);
3982 	run_rt3070_rf_write(sc, 31, rf & ~0x20);
3983 
3984 	/* calibrate filter for 20MHz bandwidth */
3985 	sc->rf24_20mhz = 0x1f;	/* default value */
3986 	target = (sc->mac_ver < 0x3071) ? 0x16 : 0x13;
3987 	run_rt3070_filter_calib(sc, 0x07, target, &sc->rf24_20mhz);
3988 
3989 	/* select 40MHz bandwidth */
3990 	run_bbp_read(sc, 4, &bbp4);
3991 	run_bbp_write(sc, 4, (bbp4 & ~0x18) | 0x10);
3992 	run_rt3070_rf_read(sc, 31, &rf);
3993 	run_rt3070_rf_write(sc, 31, rf | 0x20);
3994 
3995 	/* calibrate filter for 40MHz bandwidth */
3996 	sc->rf24_40mhz = 0x2f;	/* default value */
3997 	target = (sc->mac_ver < 0x3071) ? 0x19 : 0x15;
3998 	run_rt3070_filter_calib(sc, 0x27, target, &sc->rf24_40mhz);
3999 
4000 	/* go back to 20MHz bandwidth */
4001 	run_bbp_read(sc, 4, &bbp4);
4002 	run_bbp_write(sc, 4, bbp4 & ~0x18);
4003 
4004 	if (sc->mac_ver == 0x3572) {
4005 		/* save default BBP registers 25 and 26 values */
4006 		run_bbp_read(sc, 25, &sc->bbp25);
4007 		run_bbp_read(sc, 26, &sc->bbp26);
4008 
4009 	} else if (sc->mac_rev < 0x0201 || sc->mac_rev < 0x0211)
4010 		run_rt3070_rf_write(sc, 27, 0x03);
4011 
4012 	run_read(sc, RT3070_OPT_14, &tmp);
4013 	run_write(sc, RT3070_OPT_14, tmp | 1);
4014 
4015 	if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) {
4016 		run_rt3070_rf_read(sc, 17, &rf);
4017 		rf &= ~RT3070_TX_LO1;
4018 		if ((sc->mac_ver == 0x3070 ||
4019 		     (sc->mac_ver == 0x3071 && sc->mac_rev >= 0x0211)) &&
4020 		    !sc->ext_2ghz_lna)
4021 			rf |= 0x20;	/* fix for long range Rx issue */
4022 		mingain = (sc->mac_ver == 0x3070) ? 1 : 2;
4023 		if (sc->txmixgain_2ghz >= mingain)
4024 			rf = (rf & ~0x7) | sc->txmixgain_2ghz;
4025 		run_rt3070_rf_write(sc, 17, rf);
4026 	}
4027 	if (sc->mac_ver == 0x3071) {
4028 		run_rt3070_rf_read(sc, 1, &rf);
4029 		rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD);
4030 		rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD;
4031 		run_rt3070_rf_write(sc, 1, rf);
4032 
4033 		run_rt3070_rf_read(sc, 15, &rf);
4034 		run_rt3070_rf_write(sc, 15, rf & ~RT3070_TX_LO2);
4035 
4036 		run_rt3070_rf_read(sc, 20, &rf);
4037 		run_rt3070_rf_write(sc, 20, rf & ~RT3070_RX_LO1);
4038 
4039 		run_rt3070_rf_read(sc, 21, &rf);
4040 		run_rt3070_rf_write(sc, 21, rf & ~RT3070_RX_LO2);
4041 	}
4042 	if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) {
4043 		/* fix Tx to Rx IQ glitch by raising RF voltage */
4044 		run_rt3070_rf_read(sc, 27, &rf);
4045 		rf &= ~0x77;
4046 		if (sc->mac_rev < 0x0211)
4047 			rf |= 0x03;
4048 		run_rt3070_rf_write(sc, 27, rf);
4049 	}
4050 	return 0;
4051 }
4052 
4053 void
4054 run_rt3593_rf_init(struct run_softc *sc)
4055 {
4056 	uint32_t tmp;
4057 	uint8_t rf;
4058 	int i;
4059 
4060 	/* Disable the GPIO bits 4 and 7 for LNA PE control. */
4061 	run_read(sc, RT3070_GPIO_SWITCH, &tmp);
4062 	tmp &= ~(1 << 4 | 1 << 7);
4063 	run_write(sc, RT3070_GPIO_SWITCH, tmp);
4064 
4065 	/* Initialize RF registers to default value. */
4066 	for (i = 0; i < nitems(rt3593_def_rf); i++) {
4067 		run_rt3070_rf_write(sc, rt3593_def_rf[i].reg,
4068 		    rt3593_def_rf[i].val);
4069 	}
4070 
4071 	/* Toggle RF R2 to initiate calibration. */
4072 	run_rt3070_rf_write(sc, 2, RT3593_RESCAL);
4073 
4074 	/* Initialize RF frequency offset. */
4075 	run_adjust_freq_offset(sc);
4076 
4077 	run_rt3070_rf_read(sc, 18, &rf);
4078 	run_rt3070_rf_write(sc, 18, rf | RT3593_AUTOTUNE_BYPASS);
4079 
4080 	/*
4081 	 * Increase voltage from 1.2V to 1.35V, wait for 1 msec to
4082 	 * decrease voltage back to 1.2V.
4083 	 */
4084 	run_read(sc, RT3070_LDO_CFG0, &tmp);
4085 	tmp = (tmp & ~0x1f000000) | 0x0d000000;
4086 	run_write(sc, RT3070_LDO_CFG0, tmp);
4087 	DELAY(1);
4088 	tmp = (tmp & ~0x1f000000) | 0x01000000;
4089 	run_write(sc, RT3070_LDO_CFG0, tmp);
4090 
4091 	sc->rf24_20mhz = 0x1f;
4092 	sc->rf24_40mhz = 0x2f;
4093 
4094 	/* Save default BBP registers 25 and 26 values. */
4095 	run_bbp_read(sc, 25, &sc->bbp25);
4096 	run_bbp_read(sc, 26, &sc->bbp26);
4097 
4098 	run_read(sc, RT3070_OPT_14, &tmp);
4099 	run_write(sc, RT3070_OPT_14, tmp | 1);
4100 }
4101 
4102 void
4103 run_rt5390_rf_init(struct run_softc *sc)
4104 {
4105 	uint32_t tmp;
4106 	uint8_t rf;
4107 	int i;
4108 
4109 	/* Toggle RF R2 to initiate calibration. */
4110 	if (sc->mac_ver == 0x5390) {
4111 		run_rt3070_rf_read(sc, 2, &rf);
4112 		run_rt3070_rf_write(sc, 2, rf | RT3593_RESCAL);
4113 		DELAY(10);
4114 		run_rt3070_rf_write(sc, 2, rf & ~RT3593_RESCAL);
4115 	} else {
4116 		run_rt3070_rf_write(sc, 2, RT3593_RESCAL);
4117 		DELAY(10);
4118 	}
4119 
4120 	/* Initialize RF registers to default value. */
4121 	if (sc->mac_ver == 0x5592) {
4122 		for (i = 0; i < nitems(rt5592_def_rf); i++) {
4123 			run_rt3070_rf_write(sc, rt5592_def_rf[i].reg,
4124 			    rt5592_def_rf[i].val);
4125 		}
4126 		/* Initialize RF frequency offset. */
4127 		run_adjust_freq_offset(sc);
4128 	} else if (sc->mac_ver == 0x5392) {
4129 		for (i = 0; i < nitems(rt5392_def_rf); i++) {
4130 			run_rt3070_rf_write(sc, rt5392_def_rf[i].reg,
4131 			    rt5392_def_rf[i].val);
4132 		}
4133 		if (sc->mac_rev >= 0x0223) {
4134 			run_rt3070_rf_write(sc, 23, 0x0f);
4135 			run_rt3070_rf_write(sc, 24, 0x3e);
4136 			run_rt3070_rf_write(sc, 51, 0x32);
4137 			run_rt3070_rf_write(sc, 53, 0x22);
4138 			run_rt3070_rf_write(sc, 56, 0xc1);
4139 			run_rt3070_rf_write(sc, 59, 0x0f);
4140 		}
4141 	} else {
4142 		for (i = 0; i < nitems(rt5390_def_rf); i++) {
4143 			run_rt3070_rf_write(sc, rt5390_def_rf[i].reg,
4144 			    rt5390_def_rf[i].val);
4145 		}
4146 		if (sc->mac_rev >= 0x0502) {
4147 			run_rt3070_rf_write(sc, 6, 0xe0);
4148 			run_rt3070_rf_write(sc, 25, 0x80);
4149 			run_rt3070_rf_write(sc, 46, 0x73);
4150 			run_rt3070_rf_write(sc, 53, 0x00);
4151 			run_rt3070_rf_write(sc, 56, 0x42);
4152 			run_rt3070_rf_write(sc, 61, 0xd1);
4153 		}
4154 	}
4155 
4156 	sc->rf24_20mhz = 0x1f;	/* default value */
4157 	sc->rf24_40mhz = (sc->mac_ver == 0x5592) ? 0 : 0x2f;
4158 
4159 	if (sc->mac_rev < 0x0211)
4160 		run_rt3070_rf_write(sc, 27, 0x3);
4161 
4162 	run_read(sc, RT3070_OPT_14, &tmp);
4163 	run_write(sc, RT3070_OPT_14, tmp | 1);
4164 }
4165 
4166 int
4167 run_rt3070_filter_calib(struct run_softc *sc, uint8_t init, uint8_t target,
4168     uint8_t *val)
4169 {
4170 	uint8_t rf22, rf24;
4171 	uint8_t bbp55_pb, bbp55_sb, delta;
4172 	int ntries;
4173 
4174 	/* program filter */
4175 	run_rt3070_rf_read(sc, 24, &rf24);
4176 	rf24 = (rf24 & 0xc0) | init;	/* initial filter value */
4177 	run_rt3070_rf_write(sc, 24, rf24);
4178 
4179 	/* enable baseband loopback mode */
4180 	run_rt3070_rf_read(sc, 22, &rf22);
4181 	run_rt3070_rf_write(sc, 22, rf22 | 0x01);
4182 
4183 	/* set power and frequency of passband test tone */
4184 	run_bbp_write(sc, 24, 0x00);
4185 	for (ntries = 0; ntries < 100; ntries++) {
4186 		/* transmit test tone */
4187 		run_bbp_write(sc, 25, 0x90);
4188 		DELAY(1000);
4189 		/* read received power */
4190 		run_bbp_read(sc, 55, &bbp55_pb);
4191 		if (bbp55_pb != 0)
4192 			break;
4193 	}
4194 	if (ntries == 100)
4195 		return ETIMEDOUT;
4196 
4197 	/* set power and frequency of stopband test tone */
4198 	run_bbp_write(sc, 24, 0x06);
4199 	for (ntries = 0; ntries < 100; ntries++) {
4200 		/* transmit test tone */
4201 		run_bbp_write(sc, 25, 0x90);
4202 		DELAY(1000);
4203 		/* read received power */
4204 		run_bbp_read(sc, 55, &bbp55_sb);
4205 
4206 		delta = bbp55_pb - bbp55_sb;
4207 		if (delta > target)
4208 			break;
4209 
4210 		/* reprogram filter */
4211 		rf24++;
4212 		run_rt3070_rf_write(sc, 24, rf24);
4213 	}
4214 	if (ntries < 100) {
4215 		if (rf24 != init)
4216 			rf24--;	/* backtrack */
4217 		*val = rf24;
4218 		run_rt3070_rf_write(sc, 24, rf24);
4219 	}
4220 
4221 	/* restore initial state */
4222 	run_bbp_write(sc, 24, 0x00);
4223 
4224 	/* disable baseband loopback mode */
4225 	run_rt3070_rf_read(sc, 22, &rf22);
4226 	run_rt3070_rf_write(sc, 22, rf22 & ~0x01);
4227 
4228 	return 0;
4229 }
4230 
4231 void
4232 run_rt3070_rf_setup(struct run_softc *sc)
4233 {
4234 	uint8_t bbp, rf;
4235 	int i;
4236 
4237 	if (sc->mac_ver == 0x3572) {
4238 		/* enable DC filter */
4239 		if (sc->mac_rev >= 0x0201)
4240 			run_bbp_write(sc, 103, 0xc0);
4241 
4242 		run_bbp_read(sc, 138, &bbp);
4243 		if (sc->ntxchains == 1)
4244 			bbp |= 0x20;	/* turn off DAC1 */
4245 		if (sc->nrxchains == 1)
4246 			bbp &= ~0x02;	/* turn off ADC1 */
4247 		run_bbp_write(sc, 138, bbp);
4248 
4249 		if (sc->mac_rev >= 0x0211) {
4250 			/* improve power consumption */
4251 			run_bbp_read(sc, 31, &bbp);
4252 			run_bbp_write(sc, 31, bbp & ~0x03);
4253 		}
4254 
4255 		run_rt3070_rf_read(sc, 16, &rf);
4256 		rf = (rf & ~0x07) | sc->txmixgain_2ghz;
4257 		run_rt3070_rf_write(sc, 16, rf);
4258 
4259 	} else if (sc->mac_ver == 0x3071) {
4260 		/* enable DC filter */
4261 		if (sc->mac_rev >= 0x0211) {
4262 			run_bbp_write(sc, 103, 0xc0);
4263 
4264 			/* improve power consumption */
4265 			run_bbp_read(sc, 31, &bbp);
4266 			run_bbp_write(sc, 31, bbp & ~0x03);
4267 		}
4268 
4269 		run_bbp_read(sc, 138, &bbp);
4270 		if (sc->ntxchains == 1)
4271 			bbp |= 0x20;	/* turn off DAC1 */
4272 		if (sc->nrxchains == 1)
4273 			bbp &= ~0x02;	/* turn off ADC1 */
4274 		run_bbp_write(sc, 138, bbp);
4275 
4276 		run_write(sc, RT2860_TX_SW_CFG1, 0);
4277 		if (sc->mac_rev < 0x0211) {
4278 			run_write(sc, RT2860_TX_SW_CFG2,
4279 			    sc->patch_dac ? 0x2c : 0x0f);
4280 		} else
4281 			run_write(sc, RT2860_TX_SW_CFG2, 0);
4282 
4283 	} else if (sc->mac_ver == 0x3070) {
4284 		if (sc->mac_rev >= 0x0201) {
4285 			/* enable DC filter */
4286 			run_bbp_write(sc, 103, 0xc0);
4287 
4288 			/* improve power consumption */
4289 			run_bbp_read(sc, 31, &bbp);
4290 			run_bbp_write(sc, 31, bbp & ~0x03);
4291 		}
4292 
4293 		if (sc->mac_rev < 0x0201) {
4294 			run_write(sc, RT2860_TX_SW_CFG1, 0);
4295 			run_write(sc, RT2860_TX_SW_CFG2, 0x2c);
4296 		} else
4297 			run_write(sc, RT2860_TX_SW_CFG2, 0);
4298 	}
4299 
4300 	/* initialize RF registers from ROM for >=RT3071*/
4301 	if (sc->mac_ver >= 0x3071) {
4302 		for (i = 0; i < 10; i++) {
4303 			if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff)
4304 				continue;
4305 			run_rt3070_rf_write(sc, sc->rf[i].reg, sc->rf[i].val);
4306 		}
4307 	}
4308 }
4309 
4310 void
4311 run_rt3593_rf_setup(struct run_softc *sc)
4312 {
4313 	uint8_t bbp, rf;
4314 
4315 	if (sc->mac_rev >= 0x0211) {
4316 		/* Enable DC filter. */
4317 		run_bbp_write(sc, 103, 0xc0);
4318 	}
4319 	run_write(sc, RT2860_TX_SW_CFG1, 0);
4320 	if (sc->mac_rev < 0x0211) {
4321 		run_write(sc, RT2860_TX_SW_CFG2,
4322 		    sc->patch_dac ? 0x2c : 0x0f);
4323 	} else
4324 		run_write(sc, RT2860_TX_SW_CFG2, 0);
4325 
4326 	run_rt3070_rf_read(sc, 50, &rf);
4327 	run_rt3070_rf_write(sc, 50, rf & ~RT3593_TX_LO2);
4328 
4329 	run_rt3070_rf_read(sc, 51, &rf);
4330 	rf = (rf & ~(RT3593_TX_LO1 | 0x0c)) |
4331 	    ((sc->txmixgain_2ghz & 0x07) << 2);
4332 	run_rt3070_rf_write(sc, 51, rf);
4333 
4334 	run_rt3070_rf_read(sc, 38, &rf);
4335 	run_rt3070_rf_write(sc, 38, rf & ~RT5390_RX_LO1);
4336 
4337 	run_rt3070_rf_read(sc, 39, &rf);
4338 	run_rt3070_rf_write(sc, 39, rf & ~RT5390_RX_LO2);
4339 
4340 	run_rt3070_rf_read(sc, 1, &rf);
4341 	run_rt3070_rf_write(sc, 1, rf & ~(RT3070_RF_BLOCK | RT3070_PLL_PD));
4342 
4343 	run_rt3070_rf_read(sc, 30, &rf);
4344 	rf = (rf & ~0x18) | 0x10;
4345 	run_rt3070_rf_write(sc, 30, rf);
4346 
4347 	/* Apply maximum likelihood detection for 2 stream case. */
4348 	run_bbp_read(sc, 105, &bbp);
4349 	if (sc->nrxchains > 1)
4350 		run_bbp_write(sc, 105, bbp | RT5390_MLD);
4351 
4352 	/* Avoid data lost and CRC error. */
4353 	run_bbp_read(sc, 4, &bbp);
4354 	run_bbp_write(sc, 4, bbp | RT5390_MAC_IF_CTRL);
4355 
4356 	run_bbp_write(sc, 92, 0x02);
4357 	run_bbp_write(sc, 82, 0x82);
4358 	run_bbp_write(sc, 106, 0x05);
4359 	run_bbp_write(sc, 104, 0x92);
4360 	run_bbp_write(sc, 88, 0x90);
4361 	run_bbp_write(sc, 148, 0xc8);
4362 	run_bbp_write(sc, 47, 0x48);
4363 	run_bbp_write(sc, 120, 0x50);
4364 
4365 	run_bbp_write(sc, 163, 0x9d);
4366 
4367 	/* SNR mapping. */
4368 	run_bbp_write(sc, 142, 0x06);
4369 	run_bbp_write(sc, 143, 0xa0);
4370 	run_bbp_write(sc, 142, 0x07);
4371 	run_bbp_write(sc, 143, 0xa1);
4372 	run_bbp_write(sc, 142, 0x08);
4373 	run_bbp_write(sc, 143, 0xa2);
4374 
4375 	run_bbp_write(sc, 31, 0x08);
4376 	run_bbp_write(sc, 68, 0x0b);
4377 	run_bbp_write(sc, 105, 0x04);
4378 }
4379 
4380 void
4381 run_rt5390_rf_setup(struct run_softc *sc)
4382 {
4383 	uint8_t bbp, rf;
4384 
4385 	if (sc->mac_rev >= 0x0211) {
4386 		/* Enable DC filter. */
4387 		run_bbp_write(sc, 103, 0xc0);
4388 
4389 		if (sc->mac_ver != 0x5592) {
4390 			/* Improve power consumption. */
4391 			run_bbp_read(sc, 31, &bbp);
4392 			run_bbp_write(sc, 31, bbp & ~0x03);
4393 		}
4394 	}
4395 
4396 	run_bbp_read(sc, 138, &bbp);
4397 	if (sc->ntxchains == 1)
4398 		bbp |= 0x20;	/* turn off DAC1 */
4399 	if (sc->nrxchains == 1)
4400 		bbp &= ~0x02;	/* turn off ADC1 */
4401 	run_bbp_write(sc, 138, bbp);
4402 
4403 	run_rt3070_rf_read(sc, 38, &rf);
4404 	run_rt3070_rf_write(sc, 38, rf & ~RT5390_RX_LO1);
4405 
4406 	run_rt3070_rf_read(sc, 39, &rf);
4407 	run_rt3070_rf_write(sc, 39, rf & ~RT5390_RX_LO2);
4408 
4409 	/* Avoid data lost and CRC error. */
4410 	run_bbp_read(sc, 4, &bbp);
4411 	run_bbp_write(sc, 4, bbp | RT5390_MAC_IF_CTRL);
4412 
4413 	run_rt3070_rf_read(sc, 30, &rf);
4414 	rf = (rf & ~0x18) | 0x10;
4415 	run_rt3070_rf_write(sc, 30, rf);
4416 
4417 	if (sc->mac_ver != 0x5592) {
4418 		run_write(sc, RT2860_TX_SW_CFG1, 0);
4419 		if (sc->mac_rev < 0x0211) {
4420 			run_write(sc, RT2860_TX_SW_CFG2,
4421 			    sc->patch_dac ? 0x2c : 0x0f);
4422 		} else
4423 			run_write(sc, RT2860_TX_SW_CFG2, 0);
4424 	}
4425 }
4426 
4427 int
4428 run_txrx_enable(struct run_softc *sc)
4429 {
4430 	uint32_t tmp;
4431 	int error, ntries;
4432 
4433 	run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN);
4434 	for (ntries = 0; ntries < 200; ntries++) {
4435 		if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0)
4436 			return error;
4437 		if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
4438 			break;
4439 		DELAY(1000);
4440 	}
4441 	if (ntries == 200)
4442 		return ETIMEDOUT;
4443 
4444 	DELAY(50);
4445 
4446 	tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | RT2860_TX_WB_DDONE;
4447 	run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
4448 
4449 	/* enable Rx bulk aggregation (set timeout and limit) */
4450 	tmp = RT2860_USB_TX_EN | RT2860_USB_RX_EN | RT2860_USB_RX_AGG_EN |
4451 	    RT2860_USB_RX_AGG_TO(128) | RT2860_USB_RX_AGG_LMT(2);
4452 	run_write(sc, RT2860_USB_DMA_CFG, tmp);
4453 
4454 	/* set Rx filter */
4455 	tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR;
4456 	if (sc->sc_ic.ic_opmode != IEEE80211_M_MONITOR) {
4457 		tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL |
4458 		    RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK |
4459 		    RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV |
4460 		    RT2860_DROP_CFACK | RT2860_DROP_CFEND;
4461 		if (sc->sc_ic.ic_opmode == IEEE80211_M_STA)
4462 			tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL;
4463 	}
4464 	run_write(sc, RT2860_RX_FILTR_CFG, tmp);
4465 
4466 	run_write(sc, RT2860_MAC_SYS_CTRL,
4467 	    RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
4468 
4469 	return 0;
4470 }
4471 
4472 void
4473 run_adjust_freq_offset(struct run_softc *sc)
4474 {
4475 	uint8_t rf, tmp;
4476 
4477 	run_rt3070_rf_read(sc, 17, &rf);
4478 	tmp = rf;
4479 	rf = (rf & ~0x7f) | (sc->freq & 0x7f);
4480 	rf = MIN(rf, 0x5f);
4481 
4482 	if (tmp != rf)
4483 		run_mcu_cmd(sc, 0x74, (tmp << 8 ) | rf);
4484 }
4485 
4486 int
4487 run_init(struct ifnet *ifp)
4488 {
4489 	struct run_softc *sc = ifp->if_softc;
4490 	struct ieee80211com *ic = &sc->sc_ic;
4491 	uint32_t tmp;
4492 	uint8_t bbp1, bbp3;
4493 	int i, error, qid, ridx, ntries;
4494 
4495 	if (usbd_is_dying(sc->sc_udev))
4496 		return ENXIO;
4497 
4498 	for (ntries = 0; ntries < 100; ntries++) {
4499 		if ((error = run_read(sc, RT2860_ASIC_VER_ID, &tmp)) != 0)
4500 			goto fail;
4501 		if (tmp != 0 && tmp != 0xffffffff)
4502 			break;
4503 		DELAY(10);
4504 	}
4505 	if (ntries == 100) {
4506 		error = ETIMEDOUT;
4507 		goto fail;
4508 	}
4509 
4510 	if ((error = run_load_microcode(sc)) != 0) {
4511 		printf("%s: could not load 8051 microcode\n",
4512 		    sc->sc_dev.dv_xname);
4513 		goto fail;
4514 	}
4515 
4516 	/* init host command ring */
4517 	sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0;
4518 
4519 	/* init Tx rings (4 EDCAs) */
4520 	for (qid = 0; qid < 4; qid++) {
4521 		if ((error = run_alloc_tx_ring(sc, qid)) != 0)
4522 			goto fail;
4523 	}
4524 	/* init Rx ring */
4525 	if ((error = run_alloc_rx_ring(sc)) != 0)
4526 		goto fail;
4527 
4528 	IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl));
4529 	run_set_macaddr(sc, ic->ic_myaddr);
4530 
4531 	for (ntries = 0; ntries < 100; ntries++) {
4532 		if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0)
4533 			goto fail;
4534 		if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
4535 			break;
4536 		DELAY(1000);
4537 	}
4538 	if (ntries == 100) {
4539 		printf("%s: timeout waiting for DMA engine\n",
4540 		    sc->sc_dev.dv_xname);
4541 		error = ETIMEDOUT;
4542 		goto fail;
4543 	}
4544 	tmp &= 0xff0;
4545 	tmp |= RT2860_TX_WB_DDONE;
4546 	run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
4547 
4548 	/* turn off PME_OEN to solve high-current issue */
4549 	run_read(sc, RT2860_SYS_CTRL, &tmp);
4550 	run_write(sc, RT2860_SYS_CTRL, tmp & ~RT2860_PME_OEN);
4551 
4552 	run_write(sc, RT2860_MAC_SYS_CTRL,
4553 	    RT2860_BBP_HRST | RT2860_MAC_SRST);
4554 	run_write(sc, RT2860_USB_DMA_CFG, 0);
4555 
4556 	if ((error = run_reset(sc)) != 0) {
4557 		printf("%s: could not reset chipset\n", sc->sc_dev.dv_xname);
4558 		goto fail;
4559 	}
4560 
4561 	run_write(sc, RT2860_MAC_SYS_CTRL, 0);
4562 
4563 	/* init Tx power for all Tx rates (from EEPROM) */
4564 	for (ridx = 0; ridx < 5; ridx++) {
4565 		if (sc->txpow20mhz[ridx] == 0xffffffff)
4566 			continue;
4567 		run_write(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]);
4568 	}
4569 
4570 	for (i = 0; i < nitems(rt2870_def_mac); i++)
4571 		run_write(sc, rt2870_def_mac[i].reg, rt2870_def_mac[i].val);
4572 	run_write(sc, RT2860_WMM_AIFSN_CFG, 0x00002273);
4573 	run_write(sc, RT2860_WMM_CWMIN_CFG, 0x00002344);
4574 	run_write(sc, RT2860_WMM_CWMAX_CFG, 0x000034aa);
4575 
4576 	if (sc->mac_ver >= 0x5390) {
4577 		run_write(sc, RT2860_TX_SW_CFG0,
4578 		    4 << RT2860_DLY_PAPE_EN_SHIFT | 4);
4579 		if (sc->mac_ver >= 0x5392) {
4580 			run_write(sc, RT2860_MAX_LEN_CFG, 0x00002fff);
4581 			if (sc->mac_ver == 0x5592) {
4582 				run_write(sc, RT2860_HT_FBK_CFG1, 0xedcba980);
4583 				run_write(sc, RT2860_TXOP_HLDR_ET, 0x00000082);
4584 			} else {
4585 				run_write(sc, RT2860_HT_FBK_CFG1, 0xedcb4980);
4586 				run_write(sc, RT2860_LG_FBK_CFG0, 0xedcba322);
4587 			}
4588 		}
4589 	} else if (sc->mac_ver == 0x3593) {
4590 		run_write(sc, RT2860_TX_SW_CFG0,
4591 		    4 << RT2860_DLY_PAPE_EN_SHIFT | 2);
4592 	} else if (sc->mac_ver >= 0x3070) {
4593 		/* set delay of PA_PE assertion to 1us (unit of 0.25us) */
4594 		run_write(sc, RT2860_TX_SW_CFG0,
4595 		    4 << RT2860_DLY_PAPE_EN_SHIFT);
4596 	}
4597 
4598 	/* wait while MAC is busy */
4599 	for (ntries = 0; ntries < 100; ntries++) {
4600 		if ((error = run_read(sc, RT2860_MAC_STATUS_REG, &tmp)) != 0)
4601 			goto fail;
4602 		if (!(tmp & (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY)))
4603 			break;
4604 		DELAY(1000);
4605 	}
4606 	if (ntries == 100) {
4607 		error = ETIMEDOUT;
4608 		goto fail;
4609 	}
4610 
4611 	/* clear Host to MCU mailbox */
4612 	run_write(sc, RT2860_H2M_BBPAGENT, 0);
4613 	run_write(sc, RT2860_H2M_MAILBOX, 0);
4614 	DELAY(1000);
4615 
4616 	if ((error = run_bbp_init(sc)) != 0) {
4617 		printf("%s: could not initialize BBP\n", sc->sc_dev.dv_xname);
4618 		goto fail;
4619 	}
4620 
4621 	/* abort TSF synchronization */
4622 	run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
4623 	tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
4624 	    RT2860_TBTT_TIMER_EN);
4625 	run_write(sc, RT2860_BCN_TIME_CFG, tmp);
4626 
4627 	/* clear RX WCID search table */
4628 	run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512);
4629 	/* clear WCID attribute table */
4630 	run_set_region_4(sc, RT2860_WCID_ATTR(0), 0, 8 * 32);
4631 	/* clear shared key table */
4632 	run_set_region_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32);
4633 	/* clear shared key mode */
4634 	run_set_region_4(sc, RT2860_SKEY_MODE_0_7, 0, 4);
4635 
4636 	run_read(sc, RT2860_US_CYC_CNT, &tmp);
4637 	tmp = (tmp & ~0xff) | 0x1e;
4638 	run_write(sc, RT2860_US_CYC_CNT, tmp);
4639 
4640 	if (sc->mac_rev != 0x0101)
4641 		run_write(sc, RT2860_TXOP_CTRL_CFG, 0x0000583f);
4642 
4643 	run_write(sc, RT2860_WMM_TXOP0_CFG, 0);
4644 	run_write(sc, RT2860_WMM_TXOP1_CFG, 48 << 16 | 96);
4645 
4646 	/* write vendor-specific BBP values (from EEPROM) */
4647 	if (sc->mac_ver < 0x3593) {
4648 		for (i = 0; i < 8; i++) {
4649 			if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff)
4650 				continue;
4651 			run_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val);
4652 		}
4653 	}
4654 
4655 	/* select Main antenna for 1T1R devices */
4656 	if (sc->rf_rev == RT3070_RF_3020 || sc->rf_rev == RT5390_RF_5370)
4657 		run_set_rx_antenna(sc, 0);
4658 
4659 	/* send LEDs operating mode to microcontroller */
4660 	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0]);
4661 	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1]);
4662 	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2]);
4663 
4664 	if (sc->mac_ver >= 0x5390)
4665 		run_rt5390_rf_init(sc);
4666 	else if (sc->mac_ver == 0x3593)
4667 		run_rt3593_rf_init(sc);
4668 	else if (sc->mac_ver >= 0x3070)
4669 		run_rt3070_rf_init(sc);
4670 
4671 	/* disable non-existing Rx chains */
4672 	run_bbp_read(sc, 3, &bbp3);
4673 	bbp3 &= ~(1 << 3 | 1 << 4);
4674 	if (sc->nrxchains == 2)
4675 		bbp3 |= 1 << 3;
4676 	else if (sc->nrxchains == 3)
4677 		bbp3 |= 1 << 4;
4678 	run_bbp_write(sc, 3, bbp3);
4679 
4680 	/* disable non-existing Tx chains */
4681 	run_bbp_read(sc, 1, &bbp1);
4682 	if (sc->ntxchains == 1)
4683 		bbp1 &= ~(1 << 3 | 1 << 4);
4684 	run_bbp_write(sc, 1, bbp1);
4685 
4686 	if (sc->mac_ver >= 0x5390)
4687 		run_rt5390_rf_setup(sc);
4688 	else if (sc->mac_ver == 0x3593)
4689 		run_rt3593_rf_setup(sc);
4690 	else if (sc->mac_ver >= 0x3070)
4691 		run_rt3070_rf_setup(sc);
4692 
4693 	/* select default channel */
4694 	ic->ic_bss->ni_chan = ic->ic_ibss_chan;
4695 	run_set_chan(sc, ic->ic_ibss_chan);
4696 
4697 	/* turn radio LED on */
4698 	run_set_leds(sc, RT2860_LED_RADIO);
4699 
4700 	for (i = 0; i < RUN_RX_RING_COUNT; i++) {
4701 		struct run_rx_data *data = &sc->rxq.data[i];
4702 
4703 		usbd_setup_xfer(data->xfer, sc->rxq.pipeh, data, data->buf,
4704 		    RUN_MAX_RXSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4705 		    USBD_NO_TIMEOUT, run_rxeof);
4706 		error = usbd_transfer(data->xfer);
4707 		if (error != 0 && error != USBD_IN_PROGRESS)
4708 			goto fail;
4709 	}
4710 
4711 	if ((error = run_txrx_enable(sc)) != 0)
4712 		goto fail;
4713 
4714 	ifp->if_flags |= IFF_RUNNING;
4715 	ifq_clr_oactive(&ifp->if_snd);
4716 
4717 	if (ic->ic_flags & IEEE80211_F_WEPON) {
4718 		/* install WEP keys */
4719 		for (i = 0; i < IEEE80211_WEP_NKID; i++) {
4720 			if (ic->ic_nw_keys[i].k_cipher != IEEE80211_CIPHER_NONE)
4721 				(void)run_set_key(ic, NULL, &ic->ic_nw_keys[i]);
4722 		}
4723 	}
4724 
4725 	if (ic->ic_opmode == IEEE80211_M_MONITOR)
4726 		ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
4727 	else
4728 		ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
4729 
4730 	if (error != 0)
4731 fail:		run_stop(ifp, 1);
4732 	return error;
4733 }
4734 
4735 void
4736 run_stop(struct ifnet *ifp, int disable)
4737 {
4738 	struct run_softc *sc = ifp->if_softc;
4739 	struct ieee80211com *ic = &sc->sc_ic;
4740 	uint32_t tmp;
4741 	int s, ntries, qid;
4742 
4743 	if (ifp->if_flags & IFF_RUNNING)
4744 		run_set_leds(sc, 0);	/* turn all LEDs off */
4745 
4746 	sc->sc_tx_timer = 0;
4747 	ifp->if_timer = 0;
4748 	ifp->if_flags &= ~IFF_RUNNING;
4749 	ifq_clr_oactive(&ifp->if_snd);
4750 
4751 	timeout_del(&sc->scan_to);
4752 	timeout_del(&sc->calib_to);
4753 
4754 	s = splusb();
4755 	ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
4756 	/* wait for all queued asynchronous commands to complete */
4757 	usb_wait_task(sc->sc_udev, &sc->sc_task);
4758 	splx(s);
4759 
4760 	/* Disable Tx/Rx DMA. */
4761 	run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp);
4762 	tmp &= ~(RT2860_RX_DMA_EN | RT2860_TX_DMA_EN);
4763 	run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
4764 
4765 	for (ntries = 0; ntries < 100; ntries++) {
4766 		if (run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp) != 0)
4767 			break;
4768 		if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
4769 			break;
4770 		DELAY(10);
4771 	}
4772 	if (ntries == 100) {
4773 		printf("%s: timeout waiting for DMA engine\n",
4774 		    sc->sc_dev.dv_xname);
4775 	}
4776 
4777 	/* disable Tx/Rx */
4778 	run_read(sc, RT2860_MAC_SYS_CTRL, &tmp);
4779 	tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
4780 	run_write(sc, RT2860_MAC_SYS_CTRL, tmp);
4781 
4782 	/* wait for pending Tx to complete */
4783 	for (ntries = 0; ntries < 100; ntries++) {
4784 		if (run_read(sc, RT2860_TXRXQ_PCNT, &tmp) != 0)
4785 			break;
4786 		if ((tmp & RT2860_TX2Q_PCNT_MASK) == 0)
4787 			break;
4788 	}
4789 	DELAY(1000);
4790 	run_write(sc, RT2860_USB_DMA_CFG, 0);
4791 
4792 	/* reset adapter */
4793 	run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST);
4794 	run_write(sc, RT2860_MAC_SYS_CTRL, 0);
4795 
4796 	/* reset Tx and Rx rings */
4797 	sc->qfullmsk = 0;
4798 	for (qid = 0; qid < 4; qid++)
4799 		run_free_tx_ring(sc, qid);
4800 	run_free_rx_ring(sc);
4801 }
4802