xref: /openbsd-src/sys/dev/usb/if_run.c (revision ff0e7be1ebbcc809ea8ad2b6dafe215824da9e46)
1 /*	$OpenBSD: if_run.c,v 1.138 2023/03/08 04:43:08 guenther 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 void
1873 run_updateedca_cb(struct run_softc *sc, void *arg)
1874 {
1875 	struct ieee80211com *ic = &sc->sc_ic;
1876 	int s, aci;
1877 
1878 	s = splnet();
1879 	/* update MAC TX configuration registers */
1880 	for (aci = 0; aci < EDCA_NUM_AC; aci++) {
1881 		run_write(sc, RT2860_EDCA_AC_CFG(aci),
1882 		    ic->ic_edca_ac[aci].ac_ecwmax << 16 |
1883 		    ic->ic_edca_ac[aci].ac_ecwmin << 12 |
1884 		    ic->ic_edca_ac[aci].ac_aifsn  <<  8 |
1885 		    ic->ic_edca_ac[aci].ac_txoplimit);
1886 	}
1887 
1888 	/* update SCH/DMA registers too */
1889 	run_write(sc, RT2860_WMM_AIFSN_CFG,
1890 	    ic->ic_edca_ac[EDCA_AC_VO].ac_aifsn  << 12 |
1891 	    ic->ic_edca_ac[EDCA_AC_VI].ac_aifsn  <<  8 |
1892 	    ic->ic_edca_ac[EDCA_AC_BK].ac_aifsn  <<  4 |
1893 	    ic->ic_edca_ac[EDCA_AC_BE].ac_aifsn);
1894 	run_write(sc, RT2860_WMM_CWMIN_CFG,
1895 	    ic->ic_edca_ac[EDCA_AC_VO].ac_ecwmin << 12 |
1896 	    ic->ic_edca_ac[EDCA_AC_VI].ac_ecwmin <<  8 |
1897 	    ic->ic_edca_ac[EDCA_AC_BK].ac_ecwmin <<  4 |
1898 	    ic->ic_edca_ac[EDCA_AC_BE].ac_ecwmin);
1899 	run_write(sc, RT2860_WMM_CWMAX_CFG,
1900 	    ic->ic_edca_ac[EDCA_AC_VO].ac_ecwmax << 12 |
1901 	    ic->ic_edca_ac[EDCA_AC_VI].ac_ecwmax <<  8 |
1902 	    ic->ic_edca_ac[EDCA_AC_BK].ac_ecwmax <<  4 |
1903 	    ic->ic_edca_ac[EDCA_AC_BE].ac_ecwmax);
1904 	run_write(sc, RT2860_WMM_TXOP0_CFG,
1905 	    ic->ic_edca_ac[EDCA_AC_BK].ac_txoplimit << 16 |
1906 	    ic->ic_edca_ac[EDCA_AC_BE].ac_txoplimit);
1907 	run_write(sc, RT2860_WMM_TXOP1_CFG,
1908 	    ic->ic_edca_ac[EDCA_AC_VO].ac_txoplimit << 16 |
1909 	    ic->ic_edca_ac[EDCA_AC_VI].ac_txoplimit);
1910 	splx(s);
1911 }
1912 
1913 int
1914 run_set_key(struct ieee80211com *ic, struct ieee80211_node *ni,
1915     struct ieee80211_key *k)
1916 {
1917 	struct run_softc *sc = ic->ic_softc;
1918 	struct run_cmd_key cmd;
1919 
1920 	/* defer setting of WEP keys until interface is brought up */
1921 	if ((ic->ic_if.if_flags & (IFF_UP | IFF_RUNNING)) !=
1922 	    (IFF_UP | IFF_RUNNING))
1923 		return 0;
1924 
1925 	/* do it in a process context */
1926 	cmd.key = *k;
1927 	cmd.ni = ni;
1928 	run_do_async(sc, run_set_key_cb, &cmd, sizeof cmd);
1929 	sc->sc_key_tasks++;
1930 
1931 	return EBUSY;
1932 }
1933 
1934 void
1935 run_set_key_cb(struct run_softc *sc, void *arg)
1936 {
1937 	struct ieee80211com *ic = &sc->sc_ic;
1938 	struct run_cmd_key *cmd = arg;
1939 	struct ieee80211_key *k = &cmd->key;
1940 	uint32_t attr;
1941 	uint16_t base;
1942 	uint8_t mode, wcid, iv[8];
1943 
1944 	sc->sc_key_tasks--;
1945 
1946 	/* map net80211 cipher to RT2860 security mode */
1947 	switch (k->k_cipher) {
1948 	case IEEE80211_CIPHER_WEP40:
1949 		mode = RT2860_MODE_WEP40;
1950 		break;
1951 	case IEEE80211_CIPHER_WEP104:
1952 		mode = RT2860_MODE_WEP104;
1953 		break;
1954 	case IEEE80211_CIPHER_TKIP:
1955 		mode = RT2860_MODE_TKIP;
1956 		break;
1957 	case IEEE80211_CIPHER_CCMP:
1958 		mode = RT2860_MODE_AES_CCMP;
1959 		break;
1960 	default:
1961 		IEEE80211_SEND_MGMT(ic, cmd->ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1962 		    IEEE80211_REASON_AUTH_LEAVE);
1963 		ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1964 		return;
1965 	}
1966 
1967 	if (k->k_flags & IEEE80211_KEY_GROUP) {
1968 		wcid = 0;	/* NB: update WCID0 for group keys */
1969 		base = RT2860_SKEY(0, k->k_id);
1970 	} else {
1971 		wcid = (cmd->ni != NULL) ? RUN_AID2WCID(cmd->ni->ni_associd) : 0;
1972 		base = RT2860_PKEY(wcid);
1973 	}
1974 
1975 	if (k->k_cipher == IEEE80211_CIPHER_TKIP) {
1976 		run_write_region_1(sc, base, k->k_key, 16);
1977 		run_write_region_1(sc, base + 16, &k->k_key[24], 8);
1978 		run_write_region_1(sc, base + 24, &k->k_key[16], 8);
1979 	} else {
1980 		/* roundup len to 16-bit: XXX fix write_region_1() instead */
1981 		run_write_region_1(sc, base, k->k_key, (k->k_len + 1) & ~1);
1982 	}
1983 
1984 	if (!(k->k_flags & IEEE80211_KEY_GROUP) ||
1985 	    (k->k_flags & IEEE80211_KEY_TX)) {
1986 		/* set initial packet number in IV+EIV */
1987 		if (k->k_cipher == IEEE80211_CIPHER_WEP40 ||
1988 		    k->k_cipher == IEEE80211_CIPHER_WEP104) {
1989 			memset(iv, 0, sizeof iv);
1990 			iv[3] = sc->sc_ic.ic_def_txkey << 6;
1991 		} else {
1992 			if (k->k_cipher == IEEE80211_CIPHER_TKIP) {
1993 				iv[0] = k->k_tsc >> 8;
1994 				iv[1] = (iv[0] | 0x20) & 0x7f;
1995 				iv[2] = k->k_tsc;
1996 			} else /* CCMP */ {
1997 				iv[0] = k->k_tsc;
1998 				iv[1] = k->k_tsc >> 8;
1999 				iv[2] = 0;
2000 			}
2001 			iv[3] = k->k_id << 6 | IEEE80211_WEP_EXTIV;
2002 			iv[4] = k->k_tsc >> 16;
2003 			iv[5] = k->k_tsc >> 24;
2004 			iv[6] = k->k_tsc >> 32;
2005 			iv[7] = k->k_tsc >> 40;
2006 		}
2007 		run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8);
2008 	}
2009 
2010 	if (k->k_flags & IEEE80211_KEY_GROUP) {
2011 		/* install group key */
2012 		run_read(sc, RT2860_SKEY_MODE_0_7, &attr);
2013 		attr &= ~(0xf << (k->k_id * 4));
2014 		attr |= mode << (k->k_id * 4);
2015 		run_write(sc, RT2860_SKEY_MODE_0_7, attr);
2016 	} else {
2017 		/* install pairwise key */
2018 		run_read(sc, RT2860_WCID_ATTR(wcid), &attr);
2019 		attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN;
2020 		run_write(sc, RT2860_WCID_ATTR(wcid), attr);
2021 	}
2022 
2023 	if (sc->sc_key_tasks == 0) {
2024 		if (cmd->ni != NULL)
2025 			cmd->ni->ni_port_valid = 1;
2026 		ieee80211_set_link_state(ic, LINK_STATE_UP);
2027 	}
2028 }
2029 
2030 void
2031 run_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni,
2032     struct ieee80211_key *k)
2033 {
2034 	struct run_softc *sc = ic->ic_softc;
2035 	struct run_cmd_key cmd;
2036 
2037 	if (!(ic->ic_if.if_flags & IFF_RUNNING) ||
2038 	    ic->ic_state != IEEE80211_S_RUN)
2039 		return;	/* nothing to do */
2040 
2041 	/* do it in a process context */
2042 	cmd.key = *k;
2043 	cmd.ni = ni;
2044 	run_do_async(sc, run_delete_key_cb, &cmd, sizeof cmd);
2045 }
2046 
2047 void
2048 run_delete_key_cb(struct run_softc *sc, void *arg)
2049 {
2050 	struct run_cmd_key *cmd = arg;
2051 	struct ieee80211_key *k = &cmd->key;
2052 	uint32_t attr;
2053 	uint8_t wcid;
2054 
2055 	if (k->k_flags & IEEE80211_KEY_GROUP) {
2056 		/* remove group key */
2057 		run_read(sc, RT2860_SKEY_MODE_0_7, &attr);
2058 		attr &= ~(0xf << (k->k_id * 4));
2059 		run_write(sc, RT2860_SKEY_MODE_0_7, attr);
2060 
2061 	} else {
2062 		/* remove pairwise key */
2063 		wcid = (cmd->ni != NULL) ? RUN_AID2WCID(cmd->ni->ni_associd) : 0;
2064 		run_read(sc, RT2860_WCID_ATTR(wcid), &attr);
2065 		attr &= ~0xf;
2066 		run_write(sc, RT2860_WCID_ATTR(wcid), attr);
2067 	}
2068 }
2069 
2070 void
2071 run_calibrate_to(void *arg)
2072 {
2073 	/* do it in a process context */
2074 	run_do_async(arg, run_calibrate_cb, NULL, 0);
2075 	/* next timeout will be rescheduled in the calibration task */
2076 }
2077 
2078 void
2079 run_calibrate_cb(struct run_softc *sc, void *arg)
2080 {
2081 	struct ifnet *ifp = &sc->sc_ic.ic_if;
2082 	uint32_t sta[3];
2083 	int s, error;
2084 
2085 	/* read statistic counters (clear on read) and update AMRR state */
2086 	error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta,
2087 	    sizeof sta);
2088 	if (error != 0)
2089 		goto skip;
2090 
2091 	DPRINTF(("retrycnt=%d txcnt=%d failcnt=%d\n",
2092 	    letoh32(sta[1]) >> 16, letoh32(sta[1]) & 0xffff,
2093 	    letoh32(sta[0]) & 0xffff));
2094 
2095 	s = splnet();
2096 	/* count failed TX as errors */
2097 	ifp->if_oerrors += letoh32(sta[0]) & 0xffff;
2098 
2099 	sc->amn.amn_retrycnt =
2100 	    (letoh32(sta[0]) & 0xffff) +	/* failed TX count */
2101 	    (letoh32(sta[1]) >> 16);		/* TX retransmission count */
2102 
2103 	sc->amn.amn_txcnt =
2104 	    sc->amn.amn_retrycnt +
2105 	    (letoh32(sta[1]) & 0xffff);		/* successful TX count */
2106 
2107 	ieee80211_amrr_choose(&sc->amrr, sc->sc_ic.ic_bss, &sc->amn);
2108 	splx(s);
2109 
2110 skip:
2111 	if (!usbd_is_dying(sc->sc_udev))
2112 		timeout_add_sec(&sc->calib_to, 1);
2113 }
2114 
2115 void
2116 run_newassoc(struct ieee80211com *ic, struct ieee80211_node *ni, int isnew)
2117 {
2118 	struct run_softc *sc = ic->ic_softc;
2119 	struct run_node *rn = (void *)ni;
2120 	struct ieee80211_rateset *rs = &ni->ni_rates;
2121 	uint8_t rate;
2122 	int ridx, i, j;
2123 
2124 	DPRINTF(("new assoc isnew=%d addr=%s\n",
2125 	    isnew, ether_sprintf(ni->ni_macaddr)));
2126 
2127 	ieee80211_amrr_node_init(&sc->amrr, &sc->amn);
2128 	/* start at lowest available bit-rate, AMRR will raise */
2129 	ni->ni_txrate = 0;
2130 
2131 	for (i = 0; i < rs->rs_nrates; i++) {
2132 		rate = rs->rs_rates[i] & IEEE80211_RATE_VAL;
2133 		/* convert 802.11 rate to hardware rate index */
2134 		for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
2135 			if (rt2860_rates[ridx].rate == rate)
2136 				break;
2137 		rn->ridx[i] = ridx;
2138 		/* determine rate of control response frames */
2139 		for (j = i; j >= 0; j--) {
2140 			if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) &&
2141 			    rt2860_rates[rn->ridx[i]].phy ==
2142 			    rt2860_rates[rn->ridx[j]].phy)
2143 				break;
2144 		}
2145 		if (j >= 0) {
2146 			rn->ctl_ridx[i] = rn->ridx[j];
2147 		} else {
2148 			/* no basic rate found, use mandatory one */
2149 			rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx;
2150 		}
2151 		DPRINTF(("rate=0x%02x ridx=%d ctl_ridx=%d\n",
2152 		    rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]));
2153 	}
2154 }
2155 
2156 /*
2157  * Return the Rx chain with the highest RSSI for a given frame.
2158  */
2159 static __inline uint8_t
2160 run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi)
2161 {
2162 	uint8_t rxchain = 0;
2163 
2164 	if (sc->nrxchains > 1) {
2165 		if (rxwi->rssi[1] > rxwi->rssi[rxchain])
2166 			rxchain = 1;
2167 		if (sc->nrxchains > 2)
2168 			if (rxwi->rssi[2] > rxwi->rssi[rxchain])
2169 				rxchain = 2;
2170 	}
2171 	return rxchain;
2172 }
2173 
2174 void
2175 run_rx_frame(struct run_softc *sc, uint8_t *buf, int dmalen,
2176     struct mbuf_list *ml)
2177 {
2178 	struct ieee80211com *ic = &sc->sc_ic;
2179 	struct ifnet *ifp = &ic->ic_if;
2180 	struct ieee80211_frame *wh;
2181 	struct ieee80211_rxinfo rxi;
2182 	struct ieee80211_node *ni;
2183 	struct rt2870_rxd *rxd;
2184 	struct rt2860_rxwi *rxwi;
2185 	struct mbuf *m;
2186 	uint32_t flags;
2187 	uint16_t len;
2188 #if NBPFILTER > 0
2189 	uint16_t phy;
2190 #endif
2191 	uint16_t rxwisize;
2192 	uint8_t ant, rssi;
2193 	int s;
2194 
2195 	rxwi = (struct rt2860_rxwi *)buf;
2196 	rxwisize = sizeof(struct rt2860_rxwi);
2197 	if (sc->mac_ver == 0x5592)
2198 		rxwisize += sizeof(uint64_t);
2199 	else if (sc->mac_ver == 0x3593)
2200 		rxwisize += sizeof(uint32_t);
2201 	len = letoh16(rxwi->len) & 0xfff;
2202 	if (__predict_false(len > dmalen)) {
2203 		DPRINTF(("bad RXWI length %u > %u\n", len, dmalen));
2204 		return;
2205 	}
2206 	if (len > MCLBYTES) {
2207 		DPRINTF(("frame too large (length=%d)\n", len));
2208 		ifp->if_ierrors++;
2209 		return;
2210 	}
2211 	/* Rx descriptor is located at the end */
2212 	rxd = (struct rt2870_rxd *)(buf + dmalen);
2213 	flags = letoh32(rxd->flags);
2214 
2215 	if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) {
2216 		ifp->if_ierrors++;
2217 		return;
2218 	}
2219 
2220 	if (__predict_false((flags & RT2860_RX_MICERR))) {
2221 		/* report MIC failures to net80211 for TKIP */
2222 		ic->ic_stats.is_rx_locmicfail++;
2223 		ieee80211_michael_mic_failure(ic, 0/* XXX */);
2224 		ifp->if_ierrors++;
2225 		return;
2226 	}
2227 
2228 	wh = (struct ieee80211_frame *)(buf + rxwisize);
2229 	memset(&rxi, 0, sizeof(rxi));
2230 	if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
2231 		wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED;
2232 		rxi.rxi_flags |= IEEE80211_RXI_HWDEC;
2233 	}
2234 
2235 	if (flags & RT2860_RX_L2PAD) {
2236 		u_int hdrlen = ieee80211_get_hdrlen(wh);
2237 		memmove((caddr_t)wh + 2, wh, hdrlen);
2238 		wh = (struct ieee80211_frame *)((caddr_t)wh + 2);
2239 	}
2240 
2241 	/* could use m_devget but net80211 wants contig mgmt frames */
2242 	MGETHDR(m, M_DONTWAIT, MT_DATA);
2243 	if (__predict_false(m == NULL)) {
2244 		ifp->if_ierrors++;
2245 		return;
2246 	}
2247 	if (len > MHLEN) {
2248 		MCLGET(m, M_DONTWAIT);
2249 		if (__predict_false(!(m->m_flags & M_EXT))) {
2250 			ifp->if_ierrors++;
2251 			m_freem(m);
2252 			return;
2253 		}
2254 	}
2255 	/* finalize mbuf */
2256 	memcpy(mtod(m, caddr_t), wh, len);
2257 	m->m_pkthdr.len = m->m_len = len;
2258 
2259 	ant = run_maxrssi_chain(sc, rxwi);
2260 	rssi = rxwi->rssi[ant];
2261 
2262 #if NBPFILTER > 0
2263 	if (__predict_false(sc->sc_drvbpf != NULL)) {
2264 		struct run_rx_radiotap_header *tap = &sc->sc_rxtap;
2265 		struct mbuf mb;
2266 
2267 		tap->wr_flags = 0;
2268 		tap->wr_chan_freq = htole16(ic->ic_ibss_chan->ic_freq);
2269 		tap->wr_chan_flags = htole16(ic->ic_ibss_chan->ic_flags);
2270 		tap->wr_antsignal = rssi;
2271 		tap->wr_antenna = ant;
2272 		tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant);
2273 		tap->wr_rate = 2;	/* in case it can't be found below */
2274 		phy = letoh16(rxwi->phy);
2275 		switch (phy & RT2860_PHY_MODE) {
2276 		case RT2860_PHY_CCK:
2277 			switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) {
2278 			case 0:	tap->wr_rate =   2; break;
2279 			case 1:	tap->wr_rate =   4; break;
2280 			case 2:	tap->wr_rate =  11; break;
2281 			case 3:	tap->wr_rate =  22; break;
2282 			}
2283 			if (phy & RT2860_PHY_SHPRE)
2284 				tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2285 			break;
2286 		case RT2860_PHY_OFDM:
2287 			switch (phy & RT2860_PHY_MCS) {
2288 			case 0:	tap->wr_rate =  12; break;
2289 			case 1:	tap->wr_rate =  18; break;
2290 			case 2:	tap->wr_rate =  24; break;
2291 			case 3:	tap->wr_rate =  36; break;
2292 			case 4:	tap->wr_rate =  48; break;
2293 			case 5:	tap->wr_rate =  72; break;
2294 			case 6:	tap->wr_rate =  96; break;
2295 			case 7:	tap->wr_rate = 108; break;
2296 			}
2297 			break;
2298 		}
2299 		mb.m_data = (caddr_t)tap;
2300 		mb.m_len = sc->sc_rxtap_len;
2301 		mb.m_next = m;
2302 		mb.m_nextpkt = NULL;
2303 		mb.m_type = 0;
2304 		mb.m_flags = 0;
2305 		bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_IN);
2306 	}
2307 #endif
2308 
2309 	s = splnet();
2310 	ni = ieee80211_find_rxnode(ic, wh);
2311 	rxi.rxi_rssi = rssi;
2312 	ieee80211_inputm(ifp, m, ni, &rxi, ml);
2313 
2314 	/* node is no longer needed */
2315 	ieee80211_release_node(ic, ni);
2316 	splx(s);
2317 }
2318 
2319 void
2320 run_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
2321 {
2322 	struct mbuf_list ml = MBUF_LIST_INITIALIZER();
2323 	struct run_rx_data *data = priv;
2324 	struct run_softc *sc = data->sc;
2325 	uint8_t *buf;
2326 	uint32_t dmalen;
2327 	int xferlen;
2328 	uint16_t rxwisize;
2329 
2330 	rxwisize = sizeof(struct rt2860_rxwi);
2331 	if (sc->mac_ver == 0x5592)
2332 		rxwisize += sizeof(uint64_t);
2333 	else if (sc->mac_ver == 0x3593)
2334 		rxwisize += sizeof(uint32_t);
2335 
2336 	if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
2337 		DPRINTF(("RX status=%d\n", status));
2338 		if (status == USBD_STALLED)
2339 			usbd_clear_endpoint_stall_async(sc->rxq.pipeh);
2340 		if (status != USBD_CANCELLED)
2341 			goto skip;
2342 		return;
2343 	}
2344 	usbd_get_xfer_status(xfer, NULL, NULL, &xferlen, NULL);
2345 
2346 	if (__predict_false(xferlen < sizeof (uint32_t) + rxwisize +
2347 	    sizeof(struct rt2870_rxd))) {
2348 		DPRINTF(("xfer too short %d\n", xferlen));
2349 		goto skip;
2350 	}
2351 
2352 	/* HW can aggregate multiple 802.11 frames in a single USB xfer */
2353 	buf = data->buf;
2354 	while (xferlen > 8) {
2355 		dmalen = letoh32(*(uint32_t *)buf) & 0xffff;
2356 
2357 		if (__predict_false(dmalen == 0 || (dmalen & 3) != 0)) {
2358 			DPRINTF(("bad DMA length %u\n", dmalen));
2359 			break;
2360 		}
2361 		if (__predict_false(dmalen + 8 > xferlen)) {
2362 			DPRINTF(("bad DMA length %u > %d\n",
2363 			    dmalen + 8, xferlen));
2364 			break;
2365 		}
2366 		run_rx_frame(sc, buf + sizeof (uint32_t), dmalen, &ml);
2367 		buf += dmalen + 8;
2368 		xferlen -= dmalen + 8;
2369 	}
2370 	if_input(&sc->sc_ic.ic_if, &ml);
2371 
2372 skip:	/* setup a new transfer */
2373 	usbd_setup_xfer(xfer, sc->rxq.pipeh, data, data->buf, RUN_MAX_RXSZ,
2374 	    USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, run_rxeof);
2375 	(void)usbd_transfer(data->xfer);
2376 }
2377 
2378 void
2379 run_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status)
2380 {
2381 	struct run_tx_data *data = priv;
2382 	struct run_softc *sc = data->sc;
2383 	struct run_tx_ring *txq = &sc->txq[data->qid];
2384 	struct ifnet *ifp = &sc->sc_ic.ic_if;
2385 	int s;
2386 
2387 	s = splnet();
2388 	txq->queued--;
2389 	sc->qfullmsk &= ~(1 << data->qid);
2390 
2391 	if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
2392 		DPRINTF(("TX status=%d\n", status));
2393 		if (status == USBD_STALLED)
2394 			usbd_clear_endpoint_stall_async(txq->pipeh);
2395 		ifp->if_oerrors++;
2396 		splx(s);
2397 		return;
2398 	}
2399 
2400 	sc->sc_tx_timer = 0;
2401 	ifq_clr_oactive(&ifp->if_snd);
2402 	run_start(ifp);
2403 	splx(s);
2404 }
2405 
2406 int
2407 run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
2408 {
2409 	struct ieee80211com *ic = &sc->sc_ic;
2410 	struct run_node *rn = (void *)ni;
2411 	struct ieee80211_frame *wh;
2412 	struct run_tx_ring *ring;
2413 	struct run_tx_data *data;
2414 	struct rt2870_txd *txd;
2415 	struct rt2860_txwi *txwi;
2416 	uint16_t qos, dur;
2417 	uint16_t txwisize;
2418 	uint8_t type, mcs, tid, qid;
2419 	int error, hasqos, ridx, ctl_ridx, xferlen;
2420 
2421 	wh = mtod(m, struct ieee80211_frame *);
2422 	type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
2423 
2424 	if ((hasqos = ieee80211_has_qos(wh))) {
2425 		qos = ieee80211_get_qos(wh);
2426 		tid = qos & IEEE80211_QOS_TID;
2427 		qid = ieee80211_up_to_ac(ic, tid);
2428 	} else {
2429 		qos = 0;
2430 		tid = 0;
2431 		qid = EDCA_AC_BE;
2432 	}
2433 	ring = &sc->txq[qid];
2434 	data = &ring->data[ring->cur];
2435 
2436 	/* pickup a rate index */
2437 	if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
2438 	    type != IEEE80211_FC0_TYPE_DATA) {
2439 		ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
2440 		    RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
2441 		ctl_ridx = rt2860_rates[ridx].ctl_ridx;
2442 	} else if (ic->ic_fixed_rate != -1) {
2443 		ridx = sc->fixed_ridx;
2444 		ctl_ridx = rt2860_rates[ridx].ctl_ridx;
2445 	} else {
2446 		ridx = rn->ridx[ni->ni_txrate];
2447 		ctl_ridx = rn->ctl_ridx[ni->ni_txrate];
2448 	}
2449 
2450 	/* get MCS code from rate index */
2451 	mcs = rt2860_rates[ridx].mcs;
2452 
2453 	txwisize = sizeof(struct rt2860_txwi);
2454 	if (sc->mac_ver == 0x5592)
2455 		txwisize += sizeof(uint32_t);
2456 	xferlen = txwisize + m->m_pkthdr.len;
2457 
2458 	/* roundup to 32-bit alignment */
2459 	xferlen = (xferlen + 3) & ~3;
2460 
2461 	txd = (struct rt2870_txd *)data->buf;
2462 	txd->flags = RT2860_TX_QSEL_EDCA;
2463 	txd->len = htole16(xferlen);
2464 
2465 	/* setup TX Wireless Information */
2466 	txwi = (struct rt2860_txwi *)(txd + 1);
2467 	txwi->flags = 0;
2468 	txwi->xflags = hasqos ? 0 : RT2860_TX_NSEQ;
2469 	txwi->wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
2470 	    RUN_AID2WCID(ni->ni_associd) : 0xff;
2471 	txwi->len = htole16(m->m_pkthdr.len);
2472 	if (rt2860_rates[ridx].phy == IEEE80211_T_DS) {
2473 		txwi->phy = htole16(RT2860_PHY_CCK);
2474 		if (ridx != RT2860_RIDX_CCK1 &&
2475 		    (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
2476 			mcs |= RT2860_PHY_SHPRE;
2477 	} else
2478 		txwi->phy = htole16(RT2860_PHY_OFDM);
2479 	txwi->phy |= htole16(mcs);
2480 
2481 	txwi->txop = RT2860_TX_TXOP_BACKOFF;
2482 
2483 	if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
2484 	    (!hasqos || (qos & IEEE80211_QOS_ACK_POLICY_MASK) !=
2485 	     IEEE80211_QOS_ACK_POLICY_NOACK)) {
2486 		txwi->xflags |= RT2860_TX_ACK;
2487 		if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2488 			dur = rt2860_rates[ctl_ridx].sp_ack_dur;
2489 		else
2490 			dur = rt2860_rates[ctl_ridx].lp_ack_dur;
2491 		*(uint16_t *)wh->i_dur = htole16(dur);
2492 	}
2493 
2494 #if NBPFILTER > 0
2495 	if (__predict_false(sc->sc_drvbpf != NULL)) {
2496 		struct run_tx_radiotap_header *tap = &sc->sc_txtap;
2497 		struct mbuf mb;
2498 
2499 		tap->wt_flags = 0;
2500 		tap->wt_rate = rt2860_rates[ridx].rate;
2501 		tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq);
2502 		tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags);
2503 		if (mcs & RT2860_PHY_SHPRE)
2504 			tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
2505 
2506 		mb.m_data = (caddr_t)tap;
2507 		mb.m_len = sc->sc_txtap_len;
2508 		mb.m_next = m;
2509 		mb.m_nextpkt = NULL;
2510 		mb.m_type = 0;
2511 		mb.m_flags = 0;
2512 		bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT);
2513 	}
2514 #endif
2515 
2516 	m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)txwi + txwisize);
2517 	m_freem(m);
2518 
2519 	xferlen += sizeof (*txd) + 4;
2520 
2521 	usbd_setup_xfer(data->xfer, ring->pipeh, data, data->buf, xferlen,
2522 	    USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RUN_TX_TIMEOUT, run_txeof);
2523 	error = usbd_transfer(data->xfer);
2524 	if (__predict_false(error != USBD_IN_PROGRESS && error != 0))
2525 		return error;
2526 
2527 	ieee80211_release_node(ic, ni);
2528 
2529 	ring->cur = (ring->cur + 1) % RUN_TX_RING_COUNT;
2530 	if (++ring->queued >= RUN_TX_RING_COUNT)
2531 		sc->qfullmsk |= 1 << qid;
2532 
2533 	return 0;
2534 }
2535 
2536 void
2537 run_start(struct ifnet *ifp)
2538 {
2539 	struct run_softc *sc = ifp->if_softc;
2540 	struct ieee80211com *ic = &sc->sc_ic;
2541 	struct ieee80211_node *ni;
2542 	struct mbuf *m;
2543 
2544 	if (!(ifp->if_flags & IFF_RUNNING) || ifq_is_oactive(&ifp->if_snd))
2545 		return;
2546 
2547 	for (;;) {
2548 		if (sc->qfullmsk != 0) {
2549 			ifq_set_oactive(&ifp->if_snd);
2550 			break;
2551 		}
2552 		/* send pending management frames first */
2553 		m = mq_dequeue(&ic->ic_mgtq);
2554 		if (m != NULL) {
2555 			ni = m->m_pkthdr.ph_cookie;
2556 			goto sendit;
2557 		}
2558 		if (ic->ic_state != IEEE80211_S_RUN)
2559 			break;
2560 
2561 		/* encapsulate and send data frames */
2562 		m = ifq_dequeue(&ifp->if_snd);
2563 		if (m == NULL)
2564 			break;
2565 #if NBPFILTER > 0
2566 		if (ifp->if_bpf != NULL)
2567 			bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_OUT);
2568 #endif
2569 		if ((m = ieee80211_encap(ifp, m, &ni)) == NULL)
2570 			continue;
2571 sendit:
2572 #if NBPFILTER > 0
2573 		if (ic->ic_rawbpf != NULL)
2574 			bpf_mtap(ic->ic_rawbpf, m, BPF_DIRECTION_OUT);
2575 #endif
2576 		if (run_tx(sc, m, ni) != 0) {
2577 			ieee80211_release_node(ic, ni);
2578 			ifp->if_oerrors++;
2579 			continue;
2580 		}
2581 
2582 		sc->sc_tx_timer = 5;
2583 		ifp->if_timer = 1;
2584 	}
2585 }
2586 
2587 void
2588 run_watchdog(struct ifnet *ifp)
2589 {
2590 	struct run_softc *sc = ifp->if_softc;
2591 
2592 	ifp->if_timer = 0;
2593 
2594 	if (sc->sc_tx_timer > 0) {
2595 		if (--sc->sc_tx_timer == 0) {
2596 			printf("%s: device timeout\n", sc->sc_dev.dv_xname);
2597 			/* run_init(ifp); XXX needs a process context! */
2598 			ifp->if_oerrors++;
2599 			return;
2600 		}
2601 		ifp->if_timer = 1;
2602 	}
2603 
2604 	ieee80211_watchdog(ifp);
2605 }
2606 
2607 int
2608 run_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
2609 {
2610 	struct run_softc *sc = ifp->if_softc;
2611 	struct ieee80211com *ic = &sc->sc_ic;
2612 	int s, error = 0;
2613 
2614 	if (usbd_is_dying(sc->sc_udev))
2615 		return ENXIO;
2616 
2617 	usbd_ref_incr(sc->sc_udev);
2618 
2619 	s = splnet();
2620 
2621 	switch (cmd) {
2622 	case SIOCSIFADDR:
2623 		ifp->if_flags |= IFF_UP;
2624 		/* FALLTHROUGH */
2625 	case SIOCSIFFLAGS:
2626 		if (ifp->if_flags & IFF_UP) {
2627 			if (!(ifp->if_flags & IFF_RUNNING))
2628 				run_init(ifp);
2629 		} else {
2630 			if (ifp->if_flags & IFF_RUNNING)
2631 				run_stop(ifp, 1);
2632 		}
2633 		break;
2634 
2635 	case SIOCS80211CHANNEL:
2636 		/*
2637 		 * This allows for fast channel switching in monitor mode
2638 		 * (used by kismet).
2639 		 */
2640 		error = ieee80211_ioctl(ifp, cmd, data);
2641 		if (error == ENETRESET &&
2642 		    ic->ic_opmode == IEEE80211_M_MONITOR) {
2643 			if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
2644 			    (IFF_UP | IFF_RUNNING))
2645 				run_set_chan(sc, ic->ic_ibss_chan);
2646 			error = 0;
2647 		}
2648 		break;
2649 
2650 	default:
2651 		error = ieee80211_ioctl(ifp, cmd, data);
2652 	}
2653 
2654 	if (error == ENETRESET) {
2655 		if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
2656 		    (IFF_UP | IFF_RUNNING)) {
2657 			run_stop(ifp, 0);
2658 			run_init(ifp);
2659 		}
2660 		error = 0;
2661 	}
2662 
2663 	splx(s);
2664 
2665 	usbd_ref_decr(sc->sc_udev);
2666 
2667 	return error;
2668 }
2669 
2670 void
2671 run_iq_calib(struct run_softc *sc, u_int chan)
2672 {
2673 	uint16_t val;
2674 
2675 	/* Tx0 IQ gain. */
2676 	run_bbp_write(sc, 158, 0x2c);
2677 	if (chan <= 14)
2678 		run_efuse_read(sc, RT5390_EEPROM_IQ_GAIN_CAL_TX0_2GHZ, &val);
2679 	else if (chan <= 64) {
2680 		run_efuse_read(sc,
2681 		    RT5390_EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5GHZ, &val);
2682 	} else if (chan <= 138) {
2683 		run_efuse_read(sc,
2684 		    RT5390_EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5GHZ, &val);
2685 	} else if (chan <= 165) {
2686 		run_efuse_read(sc,
2687 	    RT5390_EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5GHZ,
2688 		    &val);
2689 	} else
2690 		val = 0;
2691 	run_bbp_write(sc, 159, val);
2692 
2693 	/* Tx0 IQ phase. */
2694 	run_bbp_write(sc, 158, 0x2d);
2695 	if (chan <= 14) {
2696 		run_efuse_read(sc, RT5390_EEPROM_IQ_PHASE_CAL_TX0_2GHZ, &val);
2697 	} else if (chan <= 64) {
2698 		run_efuse_read(sc,
2699 		    RT5390_EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5GHZ, &val);
2700 	} else if (chan <= 138) {
2701 		run_efuse_read(sc,
2702 		    RT5390_EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5GHZ, &val);
2703 	} else if (chan <= 165) {
2704 		run_efuse_read(sc,
2705 		    RT5390_EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5GHZ, &val);
2706 	} else
2707 		val = 0;
2708 	run_bbp_write(sc, 159, val);
2709 
2710 	/* Tx1 IQ gain. */
2711 	run_bbp_write(sc, 158, 0x4a);
2712 	if (chan <= 14) {
2713 		run_efuse_read(sc, RT5390_EEPROM_IQ_GAIN_CAL_TX1_2GHZ, &val);
2714 	} else if (chan <= 64) {
2715 		run_efuse_read(sc,
2716 		    RT5390_EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5GHZ, &val);
2717 	} else if (chan <= 138) {
2718 		run_efuse_read(sc,
2719 		    RT5390_EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5GHZ, &val);
2720 	} else if (chan <= 165) {
2721 		run_efuse_read(sc,
2722 		    RT5390_EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5GHZ, &val);
2723 	} else
2724 		val = 0;
2725 	run_bbp_write(sc, 159, val);
2726 
2727 	/* Tx1 IQ phase. */
2728 	run_bbp_write(sc, 158, 0x4b);
2729 	if (chan <= 14) {
2730 		run_efuse_read(sc, RT5390_EEPROM_IQ_PHASE_CAL_TX1_2GHZ, &val);
2731 	} else if (chan <= 64) {
2732 		run_efuse_read(sc,
2733 		    RT5390_EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5GHZ, &val);
2734 	} else if (chan <= 138) {
2735 		run_efuse_read(sc,
2736 		    RT5390_EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5GHZ, &val);
2737 	} else if (chan <= 165) {
2738 		run_efuse_read(sc,
2739 		    RT5390_EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5GHZ, &val);
2740 	} else
2741 		val = 0;
2742 	run_bbp_write(sc, 159, val);
2743 
2744 	/* RF IQ compensation control. */
2745 	run_bbp_write(sc, 158, 0x04);
2746 	run_efuse_read(sc, RT5390_EEPROM_RF_IQ_COMPENSATION_CTL, &val);
2747 	run_bbp_write(sc, 159, val);
2748 
2749 	/* RF IQ imbalance compensation control. */
2750 	run_bbp_write(sc, 158, 0x03);
2751 	run_efuse_read(sc,
2752 	    RT5390_EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CTL, &val);
2753 	run_bbp_write(sc, 159, val);
2754 }
2755 
2756 void
2757 run_select_chan_group(struct run_softc *sc, int group)
2758 {
2759 	uint32_t tmp;
2760 	uint8_t agc;
2761 
2762 	run_bbp_write(sc, 62, 0x37 - sc->lna[group]);
2763 	run_bbp_write(sc, 63, 0x37 - sc->lna[group]);
2764 	run_bbp_write(sc, 64, 0x37 - sc->lna[group]);
2765 	if (sc->mac_ver < 0x3572)
2766 		run_bbp_write(sc, 86, 0x00);
2767 
2768 	if (sc->mac_ver == 0x3593) {
2769 		run_bbp_write(sc, 77, 0x98);
2770 		run_bbp_write(sc, 83, (group == 0) ? 0x8a : 0x9a);
2771 	}
2772 
2773 	if (group == 0) {
2774 		if (sc->ext_2ghz_lna) {
2775 			if (sc->mac_ver >= 0x5390)
2776 				run_bbp_write(sc, 75, 0x52);
2777 			else {
2778 				run_bbp_write(sc, 82, 0x62);
2779 				run_bbp_write(sc, 75, 0x46);
2780 			}
2781 		} else {
2782 			if (sc->mac_ver == 0x5592) {
2783 				run_bbp_write(sc, 79, 0x1c);
2784 				run_bbp_write(sc, 80, 0x0e);
2785 				run_bbp_write(sc, 81, 0x3a);
2786 				run_bbp_write(sc, 82, 0x62);
2787 
2788 				run_bbp_write(sc, 195, 0x80);
2789 				run_bbp_write(sc, 196, 0xe0);
2790 				run_bbp_write(sc, 195, 0x81);
2791 				run_bbp_write(sc, 196, 0x1f);
2792 				run_bbp_write(sc, 195, 0x82);
2793 				run_bbp_write(sc, 196, 0x38);
2794 				run_bbp_write(sc, 195, 0x83);
2795 				run_bbp_write(sc, 196, 0x32);
2796 				run_bbp_write(sc, 195, 0x85);
2797 				run_bbp_write(sc, 196, 0x28);
2798 				run_bbp_write(sc, 195, 0x86);
2799 				run_bbp_write(sc, 196, 0x19);
2800 			} else if (sc->mac_ver >= 0x5390)
2801 				run_bbp_write(sc, 75, 0x50);
2802 			else {
2803 				run_bbp_write(sc, 82,
2804 				    (sc->mac_ver == 0x3593) ? 0x62 : 0x84);
2805 				run_bbp_write(sc, 75, 0x50);
2806 			}
2807 		}
2808 	} else {
2809 		if (sc->mac_ver == 0x5592) {
2810 			run_bbp_write(sc, 79, 0x18);
2811 			run_bbp_write(sc, 80, 0x08);
2812 			run_bbp_write(sc, 81, 0x38);
2813 			run_bbp_write(sc, 82, 0x92);
2814 
2815 			run_bbp_write(sc, 195, 0x80);
2816 			run_bbp_write(sc, 196, 0xf0);
2817 			run_bbp_write(sc, 195, 0x81);
2818 			run_bbp_write(sc, 196, 0x1e);
2819 			run_bbp_write(sc, 195, 0x82);
2820 			run_bbp_write(sc, 196, 0x28);
2821 			run_bbp_write(sc, 195, 0x83);
2822 			run_bbp_write(sc, 196, 0x20);
2823 			run_bbp_write(sc, 195, 0x85);
2824 			run_bbp_write(sc, 196, 0x7f);
2825 			run_bbp_write(sc, 195, 0x86);
2826 			run_bbp_write(sc, 196, 0x7f);
2827 		} else if (sc->mac_ver == 0x3572)
2828 			run_bbp_write(sc, 82, 0x94);
2829 		else
2830 			run_bbp_write(sc, 82,
2831 			    (sc->mac_ver == 0x3593) ? 0x82 : 0xf2);
2832 		if (sc->ext_5ghz_lna)
2833 			run_bbp_write(sc, 75, 0x46);
2834 		else
2835 			run_bbp_write(sc, 75, 0x50);
2836 	}
2837 
2838 	run_read(sc, RT2860_TX_BAND_CFG, &tmp);
2839 	tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P);
2840 	tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P;
2841 	run_write(sc, RT2860_TX_BAND_CFG, tmp);
2842 
2843 	/* enable appropriate Power Amplifiers and Low Noise Amplifiers */
2844 	tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN;
2845 	if (sc->mac_ver == 0x3593)
2846 		tmp |= 1 << 29 | 1 << 28;
2847 	if (sc->nrxchains > 1)
2848 		tmp |= RT2860_LNA_PE1_EN;
2849 	if (group == 0) {	/* 2GHz */
2850 		tmp |= RT2860_PA_PE_G0_EN;
2851 		if (sc->ntxchains > 1)
2852 			tmp |= RT2860_PA_PE_G1_EN;
2853 		if (sc->mac_ver == 0x3593) {
2854 			if (sc->ntxchains > 2)
2855 				tmp |= 1 << 25;
2856 		}
2857 	} else {		/* 5GHz */
2858 		tmp |= RT2860_PA_PE_A0_EN;
2859 		if (sc->ntxchains > 1)
2860 			tmp |= RT2860_PA_PE_A1_EN;
2861 	}
2862 	if (sc->mac_ver == 0x3572) {
2863 		run_rt3070_rf_write(sc, 8, 0x00);
2864 		run_write(sc, RT2860_TX_PIN_CFG, tmp);
2865 		run_rt3070_rf_write(sc, 8, 0x80);
2866 	} else
2867 		run_write(sc, RT2860_TX_PIN_CFG, tmp);
2868 
2869 	if (sc->mac_ver == 0x5592) {
2870 		run_bbp_write(sc, 195, 0x8d);
2871 		run_bbp_write(sc, 196, 0x1a);
2872 	}
2873 
2874 	if (sc->mac_ver == 0x3593) {
2875 		run_read(sc, RT2860_GPIO_CTRL, &tmp);
2876 		tmp &= ~0x01010000;
2877 		if (group == 0)
2878 			tmp |= 0x00010000;
2879 		tmp = (tmp & ~0x00009090) | 0x00000090;
2880 		run_write(sc, RT2860_GPIO_CTRL, tmp);
2881 	}
2882 
2883 	/* set initial AGC value */
2884 	if (group == 0) {	/* 2GHz band */
2885 		if (sc->mac_ver >= 0x3070)
2886 			agc = 0x1c + sc->lna[0] * 2;
2887 		else
2888 			agc = 0x2e + sc->lna[0];
2889 	} else {		/* 5GHz band */
2890 		if (sc->mac_ver == 0x5592)
2891 			agc = 0x24 + sc->lna[group] * 2;
2892 		else if (sc->mac_ver == 0x3572 || sc->mac_ver == 0x3593)
2893 			agc = 0x22 + (sc->lna[group] * 5) / 3;
2894 		else
2895 			agc = 0x32 + (sc->lna[group] * 5) / 3;
2896 	}
2897 	run_set_agc(sc, agc);
2898 }
2899 
2900 void
2901 run_rt2870_set_chan(struct run_softc *sc, u_int chan)
2902 {
2903 	const struct rfprog *rfprog = rt2860_rf2850;
2904 	uint32_t r2, r3, r4;
2905 	int8_t txpow1, txpow2;
2906 	int i;
2907 
2908 	/* find the settings for this channel (we know it exists) */
2909 	for (i = 0; rfprog[i].chan != chan; i++);
2910 
2911 	r2 = rfprog[i].r2;
2912 	if (sc->ntxchains == 1)
2913 		r2 |= 1 << 12;		/* 1T: disable Tx chain 2 */
2914 	if (sc->nrxchains == 1)
2915 		r2 |= 1 << 15 | 1 << 4;	/* 1R: disable Rx chains 2 & 3 */
2916 	else if (sc->nrxchains == 2)
2917 		r2 |= 1 << 4;		/* 2R: disable Rx chain 3 */
2918 
2919 	/* use Tx power values from EEPROM */
2920 	txpow1 = sc->txpow1[i];
2921 	txpow2 = sc->txpow2[i];
2922 	if (chan > 14) {
2923 		if (txpow1 >= 0)
2924 			txpow1 = txpow1 << 1 | 1;
2925 		else
2926 			txpow1 = (7 + txpow1) << 1;
2927 		if (txpow2 >= 0)
2928 			txpow2 = txpow2 << 1 | 1;
2929 		else
2930 			txpow2 = (7 + txpow2) << 1;
2931 	}
2932 	r3 = rfprog[i].r3 | txpow1 << 7;
2933 	r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4;
2934 
2935 	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2936 	run_rt2870_rf_write(sc, RT2860_RF2, r2);
2937 	run_rt2870_rf_write(sc, RT2860_RF3, r3);
2938 	run_rt2870_rf_write(sc, RT2860_RF4, r4);
2939 
2940 	DELAY(200);
2941 
2942 	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2943 	run_rt2870_rf_write(sc, RT2860_RF2, r2);
2944 	run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1);
2945 	run_rt2870_rf_write(sc, RT2860_RF4, r4);
2946 
2947 	DELAY(200);
2948 
2949 	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
2950 	run_rt2870_rf_write(sc, RT2860_RF2, r2);
2951 	run_rt2870_rf_write(sc, RT2860_RF3, r3);
2952 	run_rt2870_rf_write(sc, RT2860_RF4, r4);
2953 }
2954 
2955 void
2956 run_rt3070_set_chan(struct run_softc *sc, u_int chan)
2957 {
2958 	int8_t txpow1, txpow2;
2959 	uint8_t rf;
2960 	int i;
2961 
2962 	/* find the settings for this channel (we know it exists) */
2963 	for (i = 0; rt2860_rf2850[i].chan != chan; i++);
2964 
2965 	/* use Tx power values from EEPROM */
2966 	txpow1 = sc->txpow1[i];
2967 	txpow2 = sc->txpow2[i];
2968 
2969 	run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
2970 
2971 	/* RT3370/RT3390: RF R3 [7:4] is not reserved bits. */
2972 	run_rt3070_rf_read(sc, 3, &rf);
2973 	rf = (rf & ~0x0f) | rt3070_freqs[i].k;
2974 	run_rt3070_rf_write(sc, 3, rf);
2975 
2976 	run_rt3070_rf_read(sc, 6, &rf);
2977 	rf = (rf & ~0x03) | rt3070_freqs[i].r;
2978 	run_rt3070_rf_write(sc, 6, rf);
2979 
2980 	/* set Tx0 power */
2981 	run_rt3070_rf_read(sc, 12, &rf);
2982 	rf = (rf & ~0x1f) | txpow1;
2983 	run_rt3070_rf_write(sc, 12, rf);
2984 
2985 	/* set Tx1 power */
2986 	run_rt3070_rf_read(sc, 13, &rf);
2987 	rf = (rf & ~0x1f) | txpow2;
2988 	run_rt3070_rf_write(sc, 13, rf);
2989 
2990 	run_rt3070_rf_read(sc, 1, &rf);
2991 	rf &= ~0xfc;
2992 	if (sc->ntxchains == 1)
2993 		rf |= 1 << 7 | 1 << 5;	/* 1T: disable Tx chains 2 & 3 */
2994 	else if (sc->ntxchains == 2)
2995 		rf |= 1 << 7;		/* 2T: disable Tx chain 3 */
2996 	if (sc->nrxchains == 1)
2997 		rf |= 1 << 6 | 1 << 4;	/* 1R: disable Rx chains 2 & 3 */
2998 	else if (sc->nrxchains == 2)
2999 		rf |= 1 << 6;		/* 2R: disable Rx chain 3 */
3000 	run_rt3070_rf_write(sc, 1, rf);
3001 
3002 	/* set RF offset */
3003 	run_rt3070_rf_read(sc, 23, &rf);
3004 	rf = (rf & ~0x7f) | sc->freq;
3005 	run_rt3070_rf_write(sc, 23, rf);
3006 
3007 	/* program RF filter */
3008 	run_rt3070_rf_read(sc, 24, &rf);	/* Tx */
3009 	rf = (rf & ~0x3f) | sc->rf24_20mhz;
3010 	run_rt3070_rf_write(sc, 24, rf);
3011 	run_rt3070_rf_read(sc, 31, &rf);	/* Rx */
3012 	rf = (rf & ~0x3f) | sc->rf24_20mhz;
3013 	run_rt3070_rf_write(sc, 31, rf);
3014 
3015 	/* enable RF tuning */
3016 	run_rt3070_rf_read(sc, 7, &rf);
3017 	run_rt3070_rf_write(sc, 7, rf | 0x01);
3018 }
3019 
3020 void
3021 run_rt3572_set_chan(struct run_softc *sc, u_int chan)
3022 {
3023 	int8_t txpow1, txpow2;
3024 	uint32_t tmp;
3025 	uint8_t rf;
3026 	int i;
3027 
3028 	/* find the settings for this channel (we know it exists) */
3029 	for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3030 
3031 	/* use Tx power values from EEPROM */
3032 	txpow1 = sc->txpow1[i];
3033 	txpow2 = sc->txpow2[i];
3034 
3035 	if (chan <= 14) {
3036 		run_bbp_write(sc, 25, sc->bbp25);
3037 		run_bbp_write(sc, 26, sc->bbp26);
3038 	} else {
3039 		/* enable IQ phase correction */
3040 		run_bbp_write(sc, 25, 0x09);
3041 		run_bbp_write(sc, 26, 0xff);
3042 	}
3043 
3044 	run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n);
3045 	run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k);
3046 	run_rt3070_rf_read(sc, 6, &rf);
3047 	rf  = (rf & ~0x0f) | rt3070_freqs[i].r;
3048 	rf |= (chan <= 14) ? 0x08 : 0x04;
3049 	run_rt3070_rf_write(sc, 6, rf);
3050 
3051 	/* set PLL mode */
3052 	run_rt3070_rf_read(sc, 5, &rf);
3053 	rf &= ~(0x08 | 0x04);
3054 	rf |= (chan <= 14) ? 0x04 : 0x08;
3055 	run_rt3070_rf_write(sc, 5, rf);
3056 
3057 	/* set Tx power for chain 0 */
3058 	if (chan <= 14)
3059 		rf = 0x60 | txpow1;
3060 	else
3061 		rf = 0xe0 | (txpow1 & 0xc) << 1 | (txpow1 & 0x3);
3062 	run_rt3070_rf_write(sc, 12, rf);
3063 
3064 	/* set Tx power for chain 1 */
3065 	if (chan <= 14)
3066 		rf = 0x60 | txpow2;
3067 	else
3068 		rf = 0xe0 | (txpow2 & 0xc) << 1 | (txpow2 & 0x3);
3069 	run_rt3070_rf_write(sc, 13, rf);
3070 
3071 	/* set Tx/Rx streams */
3072 	run_rt3070_rf_read(sc, 1, &rf);
3073 	rf &= ~0xfc;
3074 	if (sc->ntxchains == 1)
3075 		rf |= 1 << 7 | 1 << 5;	/* 1T: disable Tx chains 2 & 3 */
3076 	else if (sc->ntxchains == 2)
3077 		rf |= 1 << 7;		/* 2T: disable Tx chain 3 */
3078 	if (sc->nrxchains == 1)
3079 		rf |= 1 << 6 | 1 << 4;	/* 1R: disable Rx chains 2 & 3 */
3080 	else if (sc->nrxchains == 2)
3081 		rf |= 1 << 6;		/* 2R: disable Rx chain 3 */
3082 	run_rt3070_rf_write(sc, 1, rf);
3083 
3084 	/* set RF offset */
3085 	run_rt3070_rf_read(sc, 23, &rf);
3086 	rf = (rf & ~0x7f) | sc->freq;
3087 	run_rt3070_rf_write(sc, 23, rf);
3088 
3089 	/* program RF filter */
3090 	rf = sc->rf24_20mhz;
3091 	run_rt3070_rf_write(sc, 24, rf);	/* Tx */
3092 	run_rt3070_rf_write(sc, 31, rf);	/* Rx */
3093 
3094 	/* enable RF tuning */
3095 	run_rt3070_rf_read(sc, 7, &rf);
3096 	rf = (chan <= 14) ? 0xd8 : ((rf & ~0xc8) | 0x14);
3097 	run_rt3070_rf_write(sc, 7, rf);
3098 
3099 	/* TSSI */
3100 	rf = (chan <= 14) ? 0xc3 : 0xc0;
3101 	run_rt3070_rf_write(sc, 9, rf);
3102 
3103 	/* set loop filter 1 */
3104 	run_rt3070_rf_write(sc, 10, 0xf1);
3105 	/* set loop filter 2 */
3106 	run_rt3070_rf_write(sc, 11, (chan <= 14) ? 0xb9 : 0x00);
3107 
3108 	/* set tx_mx2_ic */
3109 	run_rt3070_rf_write(sc, 15, (chan <= 14) ? 0x53 : 0x43);
3110 	/* set tx_mx1_ic */
3111 	if (chan <= 14)
3112 		rf = 0x48 | sc->txmixgain_2ghz;
3113 	else
3114 		rf = 0x78 | sc->txmixgain_5ghz;
3115 	run_rt3070_rf_write(sc, 16, rf);
3116 
3117 	/* set tx_lo1 */
3118 	run_rt3070_rf_write(sc, 17, 0x23);
3119 	/* set tx_lo2 */
3120 	if (chan <= 14)
3121 		rf = 0x93;
3122 	else if (chan <= 64)
3123 		rf = 0xb7;
3124 	else if (chan <= 128)
3125 		rf = 0x74;
3126 	else
3127 		rf = 0x72;
3128 	run_rt3070_rf_write(sc, 19, rf);
3129 
3130 	/* set rx_lo1 */
3131 	if (chan <= 14)
3132 		rf = 0xb3;
3133 	else if (chan <= 64)
3134 		rf = 0xf6;
3135 	else if (chan <= 128)
3136 		rf = 0xf4;
3137 	else
3138 		rf = 0xf3;
3139 	run_rt3070_rf_write(sc, 20, rf);
3140 
3141 	/* set pfd_delay */
3142 	if (chan <= 14)
3143 		rf = 0x15;
3144 	else if (chan <= 64)
3145 		rf = 0x3d;
3146 	else
3147 		rf = 0x01;
3148 	run_rt3070_rf_write(sc, 25, rf);
3149 
3150 	/* set rx_lo2 */
3151 	run_rt3070_rf_write(sc, 26, (chan <= 14) ? 0x85 : 0x87);
3152 	/* set ldo_rf_vc */
3153 	run_rt3070_rf_write(sc, 27, (chan <= 14) ? 0x00 : 0x01);
3154 	/* set drv_cc */
3155 	run_rt3070_rf_write(sc, 29, (chan <= 14) ? 0x9b : 0x9f);
3156 
3157 	run_read(sc, RT2860_GPIO_CTRL, &tmp);
3158 	tmp &= ~0x8080;
3159 	if (chan <= 14)
3160 		tmp |= 0x80;
3161 	run_write(sc, RT2860_GPIO_CTRL, tmp);
3162 
3163 	/* enable RF tuning */
3164 	run_rt3070_rf_read(sc, 7, &rf);
3165 	run_rt3070_rf_write(sc, 7, rf | 0x01);
3166 
3167 	DELAY(2000);
3168 }
3169 
3170 void
3171 run_rt3593_set_chan(struct run_softc *sc, u_int chan)
3172 {
3173 	int8_t txpow1, txpow2, txpow3;
3174 	uint8_t h20mhz, rf;
3175 	int i;
3176 
3177 	/* find the settings for this channel (we know it exists) */
3178 	for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3179 
3180 	/* use Tx power values from EEPROM */
3181 	txpow1 = sc->txpow1[i];
3182 	txpow2 = sc->txpow2[i];
3183 	txpow3 = (sc->ntxchains == 3) ? sc->txpow3[i] : 0;
3184 
3185 	if (chan <= 14) {
3186 		run_bbp_write(sc, 25, sc->bbp25);
3187 		run_bbp_write(sc, 26, sc->bbp26);
3188 	} else {
3189 		/* Enable IQ phase correction. */
3190 		run_bbp_write(sc, 25, 0x09);
3191 		run_bbp_write(sc, 26, 0xff);
3192 	}
3193 
3194 	run_rt3070_rf_write(sc, 8, rt3070_freqs[i].n);
3195 	run_rt3070_rf_write(sc, 9, rt3070_freqs[i].k & 0x0f);
3196 	run_rt3070_rf_read(sc, 11, &rf);
3197 	rf = (rf & ~0x03) | (rt3070_freqs[i].r & 0x03);
3198 	run_rt3070_rf_write(sc, 11, rf);
3199 
3200 	/* Set pll_idoh. */
3201 	run_rt3070_rf_read(sc, 11, &rf);
3202 	rf &= ~0x4c;
3203 	rf |= (chan <= 14) ? 0x44 : 0x48;
3204 	run_rt3070_rf_write(sc, 11, rf);
3205 
3206 	if (chan <= 14)
3207 		rf = txpow1 & 0x1f;
3208 	else
3209 		rf = 0x40 | ((txpow1 & 0x18) << 1) | (txpow1 & 0x07);
3210 	run_rt3070_rf_write(sc, 53, rf);
3211 
3212 	if (chan <= 14)
3213 		rf = txpow2 & 0x1f;
3214 	else
3215 		rf = 0x40 | ((txpow2 & 0x18) << 1) | (txpow2 & 0x07);
3216 	run_rt3070_rf_write(sc, 55, rf);
3217 
3218 	if (chan <= 14)
3219 		rf = txpow3 & 0x1f;
3220 	else
3221 		rf = 0x40 | ((txpow3 & 0x18) << 1) | (txpow3 & 0x07);
3222 	run_rt3070_rf_write(sc, 54, rf);
3223 
3224 	rf = RT3070_RF_BLOCK | RT3070_PLL_PD;
3225 	if (sc->ntxchains == 3)
3226 		rf |= RT3070_TX0_PD | RT3070_TX1_PD | RT3070_TX2_PD;
3227 	else
3228 		rf |= RT3070_TX0_PD | RT3070_TX1_PD;
3229 	rf |= RT3070_RX0_PD | RT3070_RX1_PD | RT3070_RX2_PD;
3230 	run_rt3070_rf_write(sc, 1, rf);
3231 
3232 	run_adjust_freq_offset(sc);
3233 
3234 	run_rt3070_rf_write(sc, 31, (chan <= 14) ? 0xa0 : 0x80);
3235 
3236 	h20mhz = (sc->rf24_20mhz & 0x20) >> 5;
3237 	run_rt3070_rf_read(sc, 30, &rf);
3238 	rf = (rf & ~0x06) | (h20mhz << 1) | (h20mhz << 2);
3239 	run_rt3070_rf_write(sc, 30, rf);
3240 
3241 	run_rt3070_rf_read(sc, 36, &rf);
3242 	if (chan <= 14)
3243 		rf |= 0x80;
3244 	else
3245 		rf &= ~0x80;
3246 	run_rt3070_rf_write(sc, 36, rf);
3247 
3248 	/* Set vcolo_bs. */
3249 	run_rt3070_rf_write(sc, 34, (chan <= 14) ? 0x3c : 0x20);
3250 	/* Set pfd_delay. */
3251 	run_rt3070_rf_write(sc, 12, (chan <= 14) ? 0x1a : 0x12);
3252 
3253 	/* Set vco bias current control. */
3254 	run_rt3070_rf_read(sc, 6, &rf);
3255 	rf &= ~0xc0;
3256 	if (chan <= 14)
3257 		rf |= 0x40;
3258 	else if (chan <= 128)
3259 		rf |= 0x80;
3260 	else
3261 		rf |= 0x40;
3262 	run_rt3070_rf_write(sc, 6, rf);
3263 
3264 	run_rt3070_rf_read(sc, 30, &rf);
3265 	rf = (rf & ~0x18) | 0x10;
3266 	run_rt3070_rf_write(sc, 30, rf);
3267 
3268 	run_rt3070_rf_write(sc, 10, (chan <= 14) ? 0xd3 : 0xd8);
3269 	run_rt3070_rf_write(sc, 13, (chan <= 14) ? 0x12 : 0x23);
3270 
3271 	run_rt3070_rf_read(sc, 51, &rf);
3272 	rf = (rf & ~0x03) | 0x01;
3273 	run_rt3070_rf_write(sc, 51, rf);
3274 	/* Set tx_mx1_cc. */
3275 	run_rt3070_rf_read(sc, 51, &rf);
3276 	rf &= ~0x1c;
3277 	rf |= (chan <= 14) ? 0x14 : 0x10;
3278 	run_rt3070_rf_write(sc, 51, rf);
3279 	/* Set tx_mx1_ic. */
3280 	run_rt3070_rf_read(sc, 51, &rf);
3281 	rf &= ~0xe0;
3282 	rf |= (chan <= 14) ? 0x60 : 0x40;
3283 	run_rt3070_rf_write(sc, 51, rf);
3284 	/* Set tx_lo1_ic. */
3285 	run_rt3070_rf_read(sc, 49, &rf);
3286 	rf &= ~0x1c;
3287 	rf |= (chan <= 14) ? 0x0c : 0x08;
3288 	run_rt3070_rf_write(sc, 49, rf);
3289 	/* Set tx_lo1_en. */
3290 	run_rt3070_rf_read(sc, 50, &rf);
3291 	run_rt3070_rf_write(sc, 50, rf & ~0x20);
3292 	/* Set drv_cc. */
3293 	run_rt3070_rf_read(sc, 57, &rf);
3294 	rf &= ~0xfc;
3295 	rf |= (chan <= 14) ?  0x6c : 0x3c;
3296 	run_rt3070_rf_write(sc, 57, rf);
3297 	/* Set rx_mix1_ic, rxa_lnactr, lna_vc, lna_inbias_en and lna_en. */
3298 	run_rt3070_rf_write(sc, 44, (chan <= 14) ? 0x93 : 0x9b);
3299 	/* Set drv_gnd_a, tx_vga_cc_a and tx_mx2_gain. */
3300 	run_rt3070_rf_write(sc, 52, (chan <= 14) ? 0x45 : 0x05);
3301 	/* Enable VCO calibration. */
3302 	run_rt3070_rf_read(sc, 3, &rf);
3303 	rf &= ~RT3593_VCOCAL;
3304 	rf |= (chan <= 14) ? RT3593_VCOCAL : 0xbe;
3305 	run_rt3070_rf_write(sc, 3, rf);
3306 
3307 	if (chan <= 14)
3308 		rf = 0x23;
3309 	else if (chan <= 64)
3310 		rf = 0x36;
3311 	else if (chan <= 128)
3312 		rf = 0x32;
3313 	else
3314 		rf = 0x30;
3315 	run_rt3070_rf_write(sc, 39, rf);
3316 	if (chan <= 14)
3317 		rf = 0xbb;
3318 	else if (chan <= 64)
3319 		rf = 0xeb;
3320 	else if (chan <= 128)
3321 		rf = 0xb3;
3322 	else
3323 		rf = 0x9b;
3324 	run_rt3070_rf_write(sc, 45, rf);
3325 
3326 	/* Set FEQ/AEQ control. */
3327 	run_bbp_write(sc, 105, 0x34);
3328 }
3329 
3330 void
3331 run_rt5390_set_chan(struct run_softc *sc, u_int chan)
3332 {
3333 	int8_t txpow1, txpow2;
3334 	uint8_t rf;
3335 	int i;
3336 
3337 	/* find the settings for this channel (we know it exists) */
3338 	for (i = 0; rt2860_rf2850[i].chan != chan; i++);
3339 
3340 	/* use Tx power values from EEPROM */
3341 	txpow1 = sc->txpow1[i];
3342 	txpow2 = sc->txpow2[i];
3343 
3344 	run_rt3070_rf_write(sc, 8, rt3070_freqs[i].n);
3345 	run_rt3070_rf_write(sc, 9, rt3070_freqs[i].k & 0x0f);
3346 	run_rt3070_rf_read(sc, 11, &rf);
3347 	rf = (rf & ~0x03) | (rt3070_freqs[i].r & 0x03);
3348 	run_rt3070_rf_write(sc, 11, rf);
3349 
3350 	run_rt3070_rf_read(sc, 49, &rf);
3351 	rf = (rf & ~0x3f) | (txpow1 & 0x3f);
3352 	/* The valid range of the RF R49 is 0x00 to 0x27. */
3353 	if ((rf & 0x3f) > 0x27)
3354 		rf = (rf & ~0x3f) | 0x27;
3355 	run_rt3070_rf_write(sc, 49, rf);
3356 
3357 	if (sc->mac_ver == 0x5392) {
3358 		run_rt3070_rf_read(sc, 50, &rf);
3359 		rf = (rf & ~0x3f) | (txpow2 & 0x3f);
3360 		/* The valid range of the RF R50 is 0x00 to 0x27. */
3361 		if ((rf & 0x3f) > 0x27)
3362 			rf = (rf & ~0x3f) | 0x27;
3363 		run_rt3070_rf_write(sc, 50, rf);
3364 	}
3365 
3366 	run_rt3070_rf_read(sc, 1, &rf);
3367 	rf |= RT3070_RF_BLOCK | RT3070_PLL_PD | RT3070_RX0_PD | RT3070_TX0_PD;
3368 	if (sc->mac_ver == 0x5392)
3369 		rf |= RT3070_RX1_PD | RT3070_TX1_PD;
3370 	run_rt3070_rf_write(sc, 1, rf);
3371 
3372 	if (sc->mac_ver != 0x5392) {
3373 		run_rt3070_rf_read(sc, 2, &rf);
3374 		rf |= 0x80;
3375 		run_rt3070_rf_write(sc, 2, rf);
3376 		DELAY(10);
3377 		rf &= 0x7f;
3378 		run_rt3070_rf_write(sc, 2, rf);
3379 	}
3380 
3381 	run_adjust_freq_offset(sc);
3382 
3383 	if (sc->mac_ver == 0x5392) {
3384 		/* Fix for RT5392C. */
3385 		if (sc->mac_rev >= 0x0223) {
3386 			if (chan <= 4)
3387 				rf = 0x0f;
3388 			else if (chan >= 5 && chan <= 7)
3389 				rf = 0x0e;
3390 			else
3391 				rf = 0x0d;
3392 			run_rt3070_rf_write(sc, 23, rf);
3393 
3394 			if (chan <= 4)
3395 				rf = 0x0c;
3396 			else if (chan == 5)
3397 				rf = 0x0b;
3398 			else if (chan >= 6 && chan <= 7)
3399 				rf = 0x0a;
3400 			else if (chan >= 8 && chan <= 10)
3401 				rf = 0x09;
3402 			else
3403 				rf = 0x08;
3404 			run_rt3070_rf_write(sc, 59, rf);
3405 		} else {
3406 			if (chan <= 11)
3407 				rf = 0x0f;
3408 			else
3409 				rf = 0x0b;
3410 			run_rt3070_rf_write(sc, 59, rf);
3411 		}
3412 	} else {
3413 		/* Fix for RT5390F. */
3414 		if (sc->mac_rev >= 0x0502) {
3415 			if (chan <= 11)
3416 				rf = 0x43;
3417 			else
3418 				rf = 0x23;
3419 			run_rt3070_rf_write(sc, 55, rf);
3420 
3421 			if (chan <= 11)
3422 				rf = 0x0f;
3423 			else if (chan == 12)
3424 				rf = 0x0d;
3425 			else
3426 				rf = 0x0b;
3427 			run_rt3070_rf_write(sc, 59, rf);
3428 		} else {
3429 			run_rt3070_rf_write(sc, 55, 0x44);
3430 			run_rt3070_rf_write(sc, 59, 0x8f);
3431 		}
3432 	}
3433 
3434 	/* Enable VCO calibration. */
3435 	run_rt3070_rf_read(sc, 3, &rf);
3436 	rf |= RT3593_VCOCAL;
3437 	run_rt3070_rf_write(sc, 3, rf);
3438 }
3439 
3440 void
3441 run_rt5592_set_chan(struct run_softc *sc, u_int chan)
3442 {
3443 	const struct rt5592_freqs *freqs;
3444 	uint32_t tmp;
3445 	uint8_t reg, rf, txpow_bound;
3446 	int8_t txpow1, txpow2;
3447 	int i;
3448 
3449 	run_read(sc, RT5592_DEBUG_INDEX, &tmp);
3450 	freqs = (tmp & RT5592_SEL_XTAL) ?
3451 	    rt5592_freqs_40mhz : rt5592_freqs_20mhz;
3452 
3453 	/* find the settings for this channel (we know it exists) */
3454 	for (i = 0; rt2860_rf2850[i].chan != chan; i++, freqs++);
3455 
3456 	/* use Tx power values from EEPROM */
3457 	txpow1 = sc->txpow1[i];
3458 	txpow2 = sc->txpow2[i];
3459 
3460 	run_read(sc, RT3070_LDO_CFG0, &tmp);
3461 	tmp &= ~0x1c000000;
3462 	if (chan > 14)
3463 		tmp |= 0x14000000;
3464 	run_write(sc, RT3070_LDO_CFG0, tmp);
3465 
3466 	/* N setting. */
3467 	run_rt3070_rf_write(sc, 8, freqs->n & 0xff);
3468 	run_rt3070_rf_read(sc, 9, &rf);
3469 	rf &= ~(1 << 4);
3470 	rf |= ((freqs->n & 0x0100) >> 8) << 4;
3471 	run_rt3070_rf_write(sc, 9, rf);
3472 
3473 	/* K setting. */
3474 	run_rt3070_rf_read(sc, 9, &rf);
3475 	rf &= ~0x0f;
3476 	rf |= (freqs->k & 0x0f);
3477 	run_rt3070_rf_write(sc, 9, rf);
3478 
3479 	/* Mode setting. */
3480 	run_rt3070_rf_read(sc, 11, &rf);
3481 	rf &= ~0x0c;
3482 	rf |= ((freqs->m - 0x8) & 0x3) << 2;
3483 	run_rt3070_rf_write(sc, 11, rf);
3484 	run_rt3070_rf_read(sc, 9, &rf);
3485 	rf &= ~(1 << 7);
3486 	rf |= (((freqs->m - 0x8) & 0x4) >> 2) << 7;
3487 	run_rt3070_rf_write(sc, 9, rf);
3488 
3489 	/* R setting. */
3490 	run_rt3070_rf_read(sc, 11, &rf);
3491 	rf &= ~0x03;
3492 	rf |= (freqs->r - 0x1);
3493 	run_rt3070_rf_write(sc, 11, rf);
3494 
3495 	if (chan <= 14) {
3496 		/* Initialize RF registers for 2GHZ. */
3497 		for (i = 0; i < nitems(rt5592_2ghz_def_rf); i++) {
3498 			run_rt3070_rf_write(sc, rt5592_2ghz_def_rf[i].reg,
3499 			    rt5592_2ghz_def_rf[i].val);
3500 		}
3501 
3502 		rf = (chan <= 10) ? 0x07 : 0x06;
3503 		run_rt3070_rf_write(sc, 23, rf);
3504 		run_rt3070_rf_write(sc, 59, rf);
3505 
3506 		run_rt3070_rf_write(sc, 55, 0x43);
3507 
3508 		/*
3509 		 * RF R49/R50 Tx power ALC code.
3510 		 * G-band bit<7:6>=1:0, bit<5:0> range from 0x0 ~ 0x27.
3511 		 */
3512 		reg = 2;
3513 		txpow_bound = 0x27;
3514 	} else {
3515 		/* Initialize RF registers for 5GHZ. */
3516 		for (i = 0; i < nitems(rt5592_5ghz_def_rf); i++) {
3517 			run_rt3070_rf_write(sc, rt5592_5ghz_def_rf[i].reg,
3518 			    rt5592_5ghz_def_rf[i].val);
3519 		}
3520 		for (i = 0; i < nitems(rt5592_chan_5ghz); i++) {
3521 			if (chan >= rt5592_chan_5ghz[i].firstchan &&
3522 			    chan <= rt5592_chan_5ghz[i].lastchan) {
3523 				run_rt3070_rf_write(sc, rt5592_chan_5ghz[i].reg,
3524 				    rt5592_chan_5ghz[i].val);
3525 			}
3526 		}
3527 
3528 		/*
3529 		 * RF R49/R50 Tx power ALC code.
3530 		 * A-band bit<7:6>=1:1, bit<5:0> range from 0x0 ~ 0x2b.
3531 		 */
3532 		reg = 3;
3533 		txpow_bound = 0x2b;
3534 	}
3535 
3536 	/* RF R49 ch0 Tx power ALC code. */
3537 	run_rt3070_rf_read(sc, 49, &rf);
3538 	rf &= ~0xc0;
3539 	rf |= (reg << 6);
3540 	rf = (rf & ~0x3f) | (txpow1 & 0x3f);
3541 	if ((rf & 0x3f) > txpow_bound)
3542 		rf = (rf & ~0x3f) | txpow_bound;
3543 	run_rt3070_rf_write(sc, 49, rf);
3544 
3545 	/* RF R50 ch1 Tx power ALC code. */
3546 	run_rt3070_rf_read(sc, 50, &rf);
3547 	rf &= ~(1 << 7 | 1 << 6);
3548 	rf |= (reg << 6);
3549 	rf = (rf & ~0x3f) | (txpow2 & 0x3f);
3550 	if ((rf & 0x3f) > txpow_bound)
3551 		rf = (rf & ~0x3f) | txpow_bound;
3552 	run_rt3070_rf_write(sc, 50, rf);
3553 
3554 	/* Enable RF_BLOCK, PLL_PD, RX0_PD, and TX0_PD. */
3555 	run_rt3070_rf_read(sc, 1, &rf);
3556 	rf |= (RT3070_RF_BLOCK | RT3070_PLL_PD | RT3070_RX0_PD | RT3070_TX0_PD);
3557 	if (sc->ntxchains > 1)
3558 		rf |= RT3070_TX1_PD;
3559 	if (sc->nrxchains > 1)
3560 		rf |= RT3070_RX1_PD;
3561 	run_rt3070_rf_write(sc, 1, rf);
3562 
3563 	run_rt3070_rf_write(sc, 6, 0xe4);
3564 
3565 	run_rt3070_rf_write(sc, 30, 0x10);
3566 	run_rt3070_rf_write(sc, 31, 0x80);
3567 	run_rt3070_rf_write(sc, 32, 0x80);
3568 
3569 	run_adjust_freq_offset(sc);
3570 
3571 	/* Enable VCO calibration. */
3572 	run_rt3070_rf_read(sc, 3, &rf);
3573 	rf |= RT3593_VCOCAL;
3574 	run_rt3070_rf_write(sc, 3, rf);
3575 }
3576 
3577 void
3578 run_set_agc(struct run_softc *sc, uint8_t agc)
3579 {
3580 	uint8_t bbp;
3581 
3582 	if (sc->mac_ver == 0x3572) {
3583 		run_bbp_read(sc, 27, &bbp);
3584 		bbp &= ~(0x3 << 5);
3585 		run_bbp_write(sc, 27, bbp | 0 << 5);	/* select Rx0 */
3586 		run_bbp_write(sc, 66, agc);
3587 		run_bbp_write(sc, 27, bbp | 1 << 5);	/* select Rx1 */
3588 		run_bbp_write(sc, 66, agc);
3589 	} else
3590 		run_bbp_write(sc, 66, agc);
3591 }
3592 
3593 void
3594 run_set_rx_antenna(struct run_softc *sc, int aux)
3595 {
3596 	uint32_t tmp;
3597 	uint8_t bbp152;
3598 
3599 	if (aux) {
3600 		if (sc->rf_rev == RT5390_RF_5370) {
3601 			run_bbp_read(sc, 152, &bbp152);
3602 			run_bbp_write(sc, 152, bbp152 & ~0x80);
3603 		} else {
3604 			run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 0);
3605 			run_read(sc, RT2860_GPIO_CTRL, &tmp);
3606 			run_write(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08);
3607 		}
3608 	} else {
3609 		if (sc->rf_rev == RT5390_RF_5370) {
3610 			run_bbp_read(sc, 152, &bbp152);
3611 			run_bbp_write(sc, 152, bbp152 | 0x80);
3612 		} else {
3613 			run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 1);
3614 			run_read(sc, RT2860_GPIO_CTRL, &tmp);
3615 			run_write(sc, RT2860_GPIO_CTRL, tmp & ~0x0808);
3616 		}
3617 	}
3618 }
3619 
3620 int
3621 run_set_chan(struct run_softc *sc, struct ieee80211_channel *c)
3622 {
3623 	struct ieee80211com *ic = &sc->sc_ic;
3624 	u_int chan, group;
3625 
3626 	chan = ieee80211_chan2ieee(ic, c);
3627 	if (chan == 0 || chan == IEEE80211_CHAN_ANY)
3628 		return EINVAL;
3629 
3630 	if (sc->mac_ver == 0x5592)
3631 		run_rt5592_set_chan(sc, chan);
3632 	else if (sc->mac_ver >= 0x5390)
3633 		run_rt5390_set_chan(sc, chan);
3634 	else if (sc->mac_ver == 0x3593)
3635 		run_rt3593_set_chan(sc, chan);
3636 	else if (sc->mac_ver == 0x3572)
3637 		run_rt3572_set_chan(sc, chan);
3638 	else if (sc->mac_ver >= 0x3070)
3639 		run_rt3070_set_chan(sc, chan);
3640 	else
3641 		run_rt2870_set_chan(sc, chan);
3642 
3643 	/* determine channel group */
3644 	if (chan <= 14)
3645 		group = 0;
3646 	else if (chan <= 64)
3647 		group = 1;
3648 	else if (chan <= 128)
3649 		group = 2;
3650 	else
3651 		group = 3;
3652 
3653 	/* XXX necessary only when group has changed! */
3654 	run_select_chan_group(sc, group);
3655 
3656 	DELAY(1000);
3657 
3658 	/* Perform IQ calibration. */
3659 	if (sc->mac_ver >= 0x5392)
3660 		run_iq_calib(sc, chan);
3661 
3662 	return 0;
3663 }
3664 
3665 void
3666 run_enable_tsf_sync(struct run_softc *sc)
3667 {
3668 	struct ieee80211com *ic = &sc->sc_ic;
3669 	uint32_t tmp;
3670 
3671 	run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
3672 	tmp &= ~0x1fffff;
3673 	tmp |= ic->ic_bss->ni_intval * 16;
3674 	tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN;
3675 	/* local TSF is always updated with remote TSF on beacon reception */
3676 	tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT;
3677 	run_write(sc, RT2860_BCN_TIME_CFG, tmp);
3678 }
3679 
3680 void
3681 run_enable_mrr(struct run_softc *sc)
3682 {
3683 #define CCK(mcs)	(mcs)
3684 #define OFDM(mcs)	(1 << 3 | (mcs))
3685 	run_write(sc, RT2860_LG_FBK_CFG0,
3686 	    OFDM(6) << 28 |	/* 54->48 */
3687 	    OFDM(5) << 24 |	/* 48->36 */
3688 	    OFDM(4) << 20 |	/* 36->24 */
3689 	    OFDM(3) << 16 |	/* 24->18 */
3690 	    OFDM(2) << 12 |	/* 18->12 */
3691 	    OFDM(1) <<  8 |	/* 12-> 9 */
3692 	    OFDM(0) <<  4 |	/*  9-> 6 */
3693 	    OFDM(0));		/*  6-> 6 */
3694 
3695 	run_write(sc, RT2860_LG_FBK_CFG1,
3696 	    CCK(2) << 12 |	/* 11->5.5 */
3697 	    CCK(1) <<  8 |	/* 5.5-> 2 */
3698 	    CCK(0) <<  4 |	/*   2-> 1 */
3699 	    CCK(0));		/*   1-> 1 */
3700 #undef OFDM
3701 #undef CCK
3702 }
3703 
3704 void
3705 run_set_txpreamble(struct run_softc *sc)
3706 {
3707 	uint32_t tmp;
3708 
3709 	run_read(sc, RT2860_AUTO_RSP_CFG, &tmp);
3710 	if (sc->sc_ic.ic_flags & IEEE80211_F_SHPREAMBLE)
3711 		tmp |= RT2860_CCK_SHORT_EN;
3712 	else
3713 		tmp &= ~RT2860_CCK_SHORT_EN;
3714 	run_write(sc, RT2860_AUTO_RSP_CFG, tmp);
3715 }
3716 
3717 void
3718 run_set_basicrates(struct run_softc *sc)
3719 {
3720 	struct ieee80211com *ic = &sc->sc_ic;
3721 
3722 	/* set basic rates mask */
3723 	if (ic->ic_curmode == IEEE80211_MODE_11B)
3724 		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x003);
3725 	else if (ic->ic_curmode == IEEE80211_MODE_11A)
3726 		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x150);
3727 	else	/* 11g */
3728 		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x15f);
3729 }
3730 
3731 void
3732 run_set_leds(struct run_softc *sc, uint16_t which)
3733 {
3734 	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LEDS,
3735 	    which | (sc->leds & 0x7f));
3736 }
3737 
3738 void
3739 run_set_bssid(struct run_softc *sc, const uint8_t *bssid)
3740 {
3741 	run_write(sc, RT2860_MAC_BSSID_DW0,
3742 	    bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
3743 	run_write(sc, RT2860_MAC_BSSID_DW1,
3744 	    bssid[4] | bssid[5] << 8);
3745 }
3746 
3747 void
3748 run_set_macaddr(struct run_softc *sc, const uint8_t *addr)
3749 {
3750 	run_write(sc, RT2860_MAC_ADDR_DW0,
3751 	    addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3752 	run_write(sc, RT2860_MAC_ADDR_DW1,
3753 	    addr[4] | addr[5] << 8 | 0xff << 16);
3754 }
3755 
3756 void
3757 run_updateslot(struct ieee80211com *ic)
3758 {
3759 	/* do it in a process context */
3760 	run_do_async(ic->ic_softc, run_updateslot_cb, NULL, 0);
3761 }
3762 
3763 void
3764 run_updateslot_cb(struct run_softc *sc, void *arg)
3765 {
3766 	uint32_t tmp;
3767 
3768 	run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp);
3769 	tmp &= ~0xff;
3770 	tmp |= (sc->sc_ic.ic_flags & IEEE80211_F_SHSLOT) ?
3771 	    IEEE80211_DUR_DS_SHSLOT : IEEE80211_DUR_DS_SLOT;
3772 	run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp);
3773 }
3774 
3775 #if NBPFILTER > 0
3776 int8_t
3777 run_rssi2dbm(struct run_softc *sc, uint8_t rssi, uint8_t rxchain)
3778 {
3779 	struct ieee80211com *ic = &sc->sc_ic;
3780 	struct ieee80211_channel *c = ic->ic_ibss_chan;
3781 	int delta;
3782 
3783 	if (IEEE80211_IS_CHAN_5GHZ(c)) {
3784 		u_int chan = ieee80211_chan2ieee(ic, c);
3785 		delta = sc->rssi_5ghz[rxchain];
3786 
3787 		/* determine channel group */
3788 		if (chan <= 64)
3789 			delta -= sc->lna[1];
3790 		else if (chan <= 128)
3791 			delta -= sc->lna[2];
3792 		else
3793 			delta -= sc->lna[3];
3794 	} else
3795 		delta = sc->rssi_2ghz[rxchain] - sc->lna[0];
3796 
3797 	return -12 - delta - rssi;
3798 }
3799 #endif
3800 
3801 void
3802 run_rt5390_bbp_init(struct run_softc *sc)
3803 {
3804 	int i;
3805 	uint8_t bbp;
3806 
3807 	/* Apply maximum likelihood detection for 2 stream case. */
3808 	run_bbp_read(sc, 105, &bbp);
3809 	if (sc->nrxchains > 1)
3810 		run_bbp_write(sc, 105, bbp | RT5390_MLD);
3811 
3812 	/* Avoid data lost and CRC error. */
3813 	run_bbp_read(sc, 4, &bbp);
3814 	run_bbp_write(sc, 4, bbp | RT5390_MAC_IF_CTRL);
3815 
3816 	if (sc->mac_ver == 0x5592) {
3817 		for (i = 0; i < nitems(rt5592_def_bbp); i++) {
3818 			run_bbp_write(sc, rt5592_def_bbp[i].reg,
3819 			    rt5592_def_bbp[i].val);
3820 		}
3821 		for (i = 0; i < nitems(rt5592_bbp_r196); i++) {
3822 			run_bbp_write(sc, 195, i + 0x80);
3823 			run_bbp_write(sc, 196, rt5592_bbp_r196[i]);
3824 		}
3825 	} else {
3826 		for (i = 0; i < nitems(rt5390_def_bbp); i++) {
3827 			run_bbp_write(sc, rt5390_def_bbp[i].reg,
3828 			    rt5390_def_bbp[i].val);
3829 		}
3830 	}
3831 	if (sc->mac_ver == 0x5392) {
3832 		run_bbp_write(sc, 88, 0x90);
3833 		run_bbp_write(sc, 95, 0x9a);
3834 		run_bbp_write(sc, 98, 0x12);
3835 		run_bbp_write(sc, 106, 0x12);
3836 		run_bbp_write(sc, 134, 0xd0);
3837 		run_bbp_write(sc, 135, 0xf6);
3838 		run_bbp_write(sc, 148, 0x84);
3839 	}
3840 
3841 	run_bbp_read(sc, 152, &bbp);
3842 	run_bbp_write(sc, 152, bbp | 0x80);
3843 
3844 	/* Fix BBP254 for RT5592C. */
3845 	if (sc->mac_ver == 0x5592 && sc->mac_rev >= 0x0221) {
3846 		run_bbp_read(sc, 254, &bbp);
3847 		run_bbp_write(sc, 254, bbp | 0x80);
3848 	}
3849 
3850 	/* Disable hardware antenna diversity. */
3851 	if (sc->mac_ver == 0x5390)
3852 		run_bbp_write(sc, 154, 0);
3853 
3854 	/* Initialize Rx CCK/OFDM frequency offset report. */
3855 	run_bbp_write(sc, 142, 1);
3856 	run_bbp_write(sc, 143, 57);
3857 }
3858 
3859 int
3860 run_bbp_init(struct run_softc *sc)
3861 {
3862 	int i, error, ntries;
3863 	uint8_t bbp0;
3864 
3865 	/* wait for BBP to wake up */
3866 	for (ntries = 0; ntries < 20; ntries++) {
3867 		if ((error = run_bbp_read(sc, 0, &bbp0)) != 0)
3868 			return error;
3869 		if (bbp0 != 0 && bbp0 != 0xff)
3870 			break;
3871 	}
3872 	if (ntries == 20)
3873 		return ETIMEDOUT;
3874 
3875 	/* initialize BBP registers to default values */
3876 	if (sc->mac_ver >= 0x5390)
3877 		run_rt5390_bbp_init(sc);
3878 	else {
3879 		for (i = 0; i < nitems(rt2860_def_bbp); i++) {
3880 			run_bbp_write(sc, rt2860_def_bbp[i].reg,
3881 			    rt2860_def_bbp[i].val);
3882 		}
3883 	}
3884 
3885 	if (sc->mac_ver == 0x3593) {
3886 		run_bbp_write(sc, 79, 0x13);
3887 		run_bbp_write(sc, 80, 0x05);
3888 		run_bbp_write(sc, 81, 0x33);
3889 		run_bbp_write(sc, 86, 0x46);
3890 		run_bbp_write(sc, 137, 0x0f);
3891 	}
3892 
3893 	/* fix BBP84 for RT2860E */
3894 	if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101)
3895 		run_bbp_write(sc, 84, 0x19);
3896 
3897 	if (sc->mac_ver >= 0x3070 && (sc->mac_ver != 0x3593 &&
3898 	    sc->mac_ver != 0x5592)) {
3899 		run_bbp_write(sc, 79, 0x13);
3900 		run_bbp_write(sc, 80, 0x05);
3901 		run_bbp_write(sc, 81, 0x33);
3902 	} else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) {
3903 		run_bbp_write(sc, 69, 0x16);
3904 		run_bbp_write(sc, 73, 0x12);
3905 	}
3906 	return 0;
3907 }
3908 
3909 int
3910 run_rt3070_rf_init(struct run_softc *sc)
3911 {
3912 	uint32_t tmp;
3913 	uint8_t bbp4, mingain, rf, target;
3914 	int i;
3915 
3916 	run_rt3070_rf_read(sc, 30, &rf);
3917 	/* toggle RF R30 bit 7 */
3918 	run_rt3070_rf_write(sc, 30, rf | 0x80);
3919 	DELAY(1000);
3920 	run_rt3070_rf_write(sc, 30, rf & ~0x80);
3921 
3922 	/* initialize RF registers to default value */
3923 	if (sc->mac_ver == 0x3572) {
3924 		for (i = 0; i < nitems(rt3572_def_rf); i++) {
3925 			run_rt3070_rf_write(sc, rt3572_def_rf[i].reg,
3926 			    rt3572_def_rf[i].val);
3927 		}
3928 	} else {
3929 		for (i = 0; i < nitems(rt3070_def_rf); i++) {
3930 			run_rt3070_rf_write(sc, rt3070_def_rf[i].reg,
3931 			    rt3070_def_rf[i].val);
3932 		}
3933 	}
3934 	if (sc->mac_ver == 0x3070 && sc->mac_rev < 0x0201) {
3935 		/*
3936 		 * Change voltage from 1.2V to 1.35V for RT3070.
3937 		 * The DAC issue (RT3070_LDO_CFG0) has been fixed
3938 		 * in RT3070(F).
3939 		 */
3940 		run_read(sc, RT3070_LDO_CFG0, &tmp);
3941 		tmp = (tmp & ~0x0f000000) | 0x0d000000;
3942 		run_write(sc, RT3070_LDO_CFG0, tmp);
3943 
3944 	} else if (sc->mac_ver == 0x3071) {
3945 		run_rt3070_rf_read(sc, 6, &rf);
3946 		run_rt3070_rf_write(sc, 6, rf | 0x40);
3947 		run_rt3070_rf_write(sc, 31, 0x14);
3948 
3949 		run_read(sc, RT3070_LDO_CFG0, &tmp);
3950 		tmp &= ~0x1f000000;
3951 		if (sc->mac_rev < 0x0211)
3952 			tmp |= 0x0d000000;	/* 1.35V */
3953 		else
3954 			tmp |= 0x01000000;	/* 1.2V */
3955 		run_write(sc, RT3070_LDO_CFG0, tmp);
3956 
3957 		/* patch LNA_PE_G1 */
3958 		run_read(sc, RT3070_GPIO_SWITCH, &tmp);
3959 		run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20);
3960 
3961 	} else if (sc->mac_ver == 0x3572) {
3962 		run_rt3070_rf_read(sc, 6, &rf);
3963 		run_rt3070_rf_write(sc, 6, rf | 0x40);
3964 		/* increase voltage from 1.2V to 1.35V */
3965 		run_read(sc, RT3070_LDO_CFG0, &tmp);
3966 		tmp = (tmp & ~0x1f000000) | 0x0d000000;
3967 		run_write(sc, RT3070_LDO_CFG0, tmp);
3968 
3969 		if (sc->mac_rev < 0x0211 || !sc->patch_dac) {
3970 			DELAY(1);	/* wait for 1msec */
3971 			/* decrease voltage back to 1.2V */
3972 			tmp = (tmp & ~0x1f000000) | 0x01000000;
3973 			run_write(sc, RT3070_LDO_CFG0, tmp);
3974 		}
3975 	}
3976 
3977 	/* select 20MHz bandwidth */
3978 	run_rt3070_rf_read(sc, 31, &rf);
3979 	run_rt3070_rf_write(sc, 31, rf & ~0x20);
3980 
3981 	/* calibrate filter for 20MHz bandwidth */
3982 	sc->rf24_20mhz = 0x1f;	/* default value */
3983 	target = (sc->mac_ver < 0x3071) ? 0x16 : 0x13;
3984 	run_rt3070_filter_calib(sc, 0x07, target, &sc->rf24_20mhz);
3985 
3986 	/* select 40MHz bandwidth */
3987 	run_bbp_read(sc, 4, &bbp4);
3988 	run_bbp_write(sc, 4, (bbp4 & ~0x18) | 0x10);
3989 	run_rt3070_rf_read(sc, 31, &rf);
3990 	run_rt3070_rf_write(sc, 31, rf | 0x20);
3991 
3992 	/* calibrate filter for 40MHz bandwidth */
3993 	sc->rf24_40mhz = 0x2f;	/* default value */
3994 	target = (sc->mac_ver < 0x3071) ? 0x19 : 0x15;
3995 	run_rt3070_filter_calib(sc, 0x27, target, &sc->rf24_40mhz);
3996 
3997 	/* go back to 20MHz bandwidth */
3998 	run_bbp_read(sc, 4, &bbp4);
3999 	run_bbp_write(sc, 4, bbp4 & ~0x18);
4000 
4001 	if (sc->mac_ver == 0x3572) {
4002 		/* save default BBP registers 25 and 26 values */
4003 		run_bbp_read(sc, 25, &sc->bbp25);
4004 		run_bbp_read(sc, 26, &sc->bbp26);
4005 
4006 	} else if (sc->mac_rev < 0x0201 || sc->mac_rev < 0x0211)
4007 		run_rt3070_rf_write(sc, 27, 0x03);
4008 
4009 	run_read(sc, RT3070_OPT_14, &tmp);
4010 	run_write(sc, RT3070_OPT_14, tmp | 1);
4011 
4012 	if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) {
4013 		run_rt3070_rf_read(sc, 17, &rf);
4014 		rf &= ~RT3070_TX_LO1;
4015 		if ((sc->mac_ver == 0x3070 ||
4016 		     (sc->mac_ver == 0x3071 && sc->mac_rev >= 0x0211)) &&
4017 		    !sc->ext_2ghz_lna)
4018 			rf |= 0x20;	/* fix for long range Rx issue */
4019 		mingain = (sc->mac_ver == 0x3070) ? 1 : 2;
4020 		if (sc->txmixgain_2ghz >= mingain)
4021 			rf = (rf & ~0x7) | sc->txmixgain_2ghz;
4022 		run_rt3070_rf_write(sc, 17, rf);
4023 	}
4024 	if (sc->mac_ver == 0x3071) {
4025 		run_rt3070_rf_read(sc, 1, &rf);
4026 		rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD);
4027 		rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD;
4028 		run_rt3070_rf_write(sc, 1, rf);
4029 
4030 		run_rt3070_rf_read(sc, 15, &rf);
4031 		run_rt3070_rf_write(sc, 15, rf & ~RT3070_TX_LO2);
4032 
4033 		run_rt3070_rf_read(sc, 20, &rf);
4034 		run_rt3070_rf_write(sc, 20, rf & ~RT3070_RX_LO1);
4035 
4036 		run_rt3070_rf_read(sc, 21, &rf);
4037 		run_rt3070_rf_write(sc, 21, rf & ~RT3070_RX_LO2);
4038 	}
4039 	if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) {
4040 		/* fix Tx to Rx IQ glitch by raising RF voltage */
4041 		run_rt3070_rf_read(sc, 27, &rf);
4042 		rf &= ~0x77;
4043 		if (sc->mac_rev < 0x0211)
4044 			rf |= 0x03;
4045 		run_rt3070_rf_write(sc, 27, rf);
4046 	}
4047 	return 0;
4048 }
4049 
4050 void
4051 run_rt3593_rf_init(struct run_softc *sc)
4052 {
4053 	uint32_t tmp;
4054 	uint8_t rf;
4055 	int i;
4056 
4057 	/* Disable the GPIO bits 4 and 7 for LNA PE control. */
4058 	run_read(sc, RT3070_GPIO_SWITCH, &tmp);
4059 	tmp &= ~(1 << 4 | 1 << 7);
4060 	run_write(sc, RT3070_GPIO_SWITCH, tmp);
4061 
4062 	/* Initialize RF registers to default value. */
4063 	for (i = 0; i < nitems(rt3593_def_rf); i++) {
4064 		run_rt3070_rf_write(sc, rt3593_def_rf[i].reg,
4065 		    rt3593_def_rf[i].val);
4066 	}
4067 
4068 	/* Toggle RF R2 to initiate calibration. */
4069 	run_rt3070_rf_write(sc, 2, RT3593_RESCAL);
4070 
4071 	/* Initialize RF frequency offset. */
4072 	run_adjust_freq_offset(sc);
4073 
4074 	run_rt3070_rf_read(sc, 18, &rf);
4075 	run_rt3070_rf_write(sc, 18, rf | RT3593_AUTOTUNE_BYPASS);
4076 
4077 	/*
4078 	 * Increase voltage from 1.2V to 1.35V, wait for 1 msec to
4079 	 * decrease voltage back to 1.2V.
4080 	 */
4081 	run_read(sc, RT3070_LDO_CFG0, &tmp);
4082 	tmp = (tmp & ~0x1f000000) | 0x0d000000;
4083 	run_write(sc, RT3070_LDO_CFG0, tmp);
4084 	DELAY(1);
4085 	tmp = (tmp & ~0x1f000000) | 0x01000000;
4086 	run_write(sc, RT3070_LDO_CFG0, tmp);
4087 
4088 	sc->rf24_20mhz = 0x1f;
4089 	sc->rf24_40mhz = 0x2f;
4090 
4091 	/* Save default BBP registers 25 and 26 values. */
4092 	run_bbp_read(sc, 25, &sc->bbp25);
4093 	run_bbp_read(sc, 26, &sc->bbp26);
4094 
4095 	run_read(sc, RT3070_OPT_14, &tmp);
4096 	run_write(sc, RT3070_OPT_14, tmp | 1);
4097 }
4098 
4099 void
4100 run_rt5390_rf_init(struct run_softc *sc)
4101 {
4102 	uint32_t tmp;
4103 	uint8_t rf;
4104 	int i;
4105 
4106 	/* Toggle RF R2 to initiate calibration. */
4107 	if (sc->mac_ver == 0x5390) {
4108 		run_rt3070_rf_read(sc, 2, &rf);
4109 		run_rt3070_rf_write(sc, 2, rf | RT3593_RESCAL);
4110 		DELAY(10);
4111 		run_rt3070_rf_write(sc, 2, rf & ~RT3593_RESCAL);
4112 	} else {
4113 		run_rt3070_rf_write(sc, 2, RT3593_RESCAL);
4114 		DELAY(10);
4115 	}
4116 
4117 	/* Initialize RF registers to default value. */
4118 	if (sc->mac_ver == 0x5592) {
4119 		for (i = 0; i < nitems(rt5592_def_rf); i++) {
4120 			run_rt3070_rf_write(sc, rt5592_def_rf[i].reg,
4121 			    rt5592_def_rf[i].val);
4122 		}
4123 		/* Initialize RF frequency offset. */
4124 		run_adjust_freq_offset(sc);
4125 	} else if (sc->mac_ver == 0x5392) {
4126 		for (i = 0; i < nitems(rt5392_def_rf); i++) {
4127 			run_rt3070_rf_write(sc, rt5392_def_rf[i].reg,
4128 			    rt5392_def_rf[i].val);
4129 		}
4130 		if (sc->mac_rev >= 0x0223) {
4131 			run_rt3070_rf_write(sc, 23, 0x0f);
4132 			run_rt3070_rf_write(sc, 24, 0x3e);
4133 			run_rt3070_rf_write(sc, 51, 0x32);
4134 			run_rt3070_rf_write(sc, 53, 0x22);
4135 			run_rt3070_rf_write(sc, 56, 0xc1);
4136 			run_rt3070_rf_write(sc, 59, 0x0f);
4137 		}
4138 	} else {
4139 		for (i = 0; i < nitems(rt5390_def_rf); i++) {
4140 			run_rt3070_rf_write(sc, rt5390_def_rf[i].reg,
4141 			    rt5390_def_rf[i].val);
4142 		}
4143 		if (sc->mac_rev >= 0x0502) {
4144 			run_rt3070_rf_write(sc, 6, 0xe0);
4145 			run_rt3070_rf_write(sc, 25, 0x80);
4146 			run_rt3070_rf_write(sc, 46, 0x73);
4147 			run_rt3070_rf_write(sc, 53, 0x00);
4148 			run_rt3070_rf_write(sc, 56, 0x42);
4149 			run_rt3070_rf_write(sc, 61, 0xd1);
4150 		}
4151 	}
4152 
4153 	sc->rf24_20mhz = 0x1f;	/* default value */
4154 	sc->rf24_40mhz = (sc->mac_ver == 0x5592) ? 0 : 0x2f;
4155 
4156 	if (sc->mac_rev < 0x0211)
4157 		run_rt3070_rf_write(sc, 27, 0x3);
4158 
4159 	run_read(sc, RT3070_OPT_14, &tmp);
4160 	run_write(sc, RT3070_OPT_14, tmp | 1);
4161 }
4162 
4163 int
4164 run_rt3070_filter_calib(struct run_softc *sc, uint8_t init, uint8_t target,
4165     uint8_t *val)
4166 {
4167 	uint8_t rf22, rf24;
4168 	uint8_t bbp55_pb, bbp55_sb, delta;
4169 	int ntries;
4170 
4171 	/* program filter */
4172 	run_rt3070_rf_read(sc, 24, &rf24);
4173 	rf24 = (rf24 & 0xc0) | init;	/* initial filter value */
4174 	run_rt3070_rf_write(sc, 24, rf24);
4175 
4176 	/* enable baseband loopback mode */
4177 	run_rt3070_rf_read(sc, 22, &rf22);
4178 	run_rt3070_rf_write(sc, 22, rf22 | 0x01);
4179 
4180 	/* set power and frequency of passband test tone */
4181 	run_bbp_write(sc, 24, 0x00);
4182 	for (ntries = 0; ntries < 100; ntries++) {
4183 		/* transmit test tone */
4184 		run_bbp_write(sc, 25, 0x90);
4185 		DELAY(1000);
4186 		/* read received power */
4187 		run_bbp_read(sc, 55, &bbp55_pb);
4188 		if (bbp55_pb != 0)
4189 			break;
4190 	}
4191 	if (ntries == 100)
4192 		return ETIMEDOUT;
4193 
4194 	/* set power and frequency of stopband test tone */
4195 	run_bbp_write(sc, 24, 0x06);
4196 	for (ntries = 0; ntries < 100; ntries++) {
4197 		/* transmit test tone */
4198 		run_bbp_write(sc, 25, 0x90);
4199 		DELAY(1000);
4200 		/* read received power */
4201 		run_bbp_read(sc, 55, &bbp55_sb);
4202 
4203 		delta = bbp55_pb - bbp55_sb;
4204 		if (delta > target)
4205 			break;
4206 
4207 		/* reprogram filter */
4208 		rf24++;
4209 		run_rt3070_rf_write(sc, 24, rf24);
4210 	}
4211 	if (ntries < 100) {
4212 		if (rf24 != init)
4213 			rf24--;	/* backtrack */
4214 		*val = rf24;
4215 		run_rt3070_rf_write(sc, 24, rf24);
4216 	}
4217 
4218 	/* restore initial state */
4219 	run_bbp_write(sc, 24, 0x00);
4220 
4221 	/* disable baseband loopback mode */
4222 	run_rt3070_rf_read(sc, 22, &rf22);
4223 	run_rt3070_rf_write(sc, 22, rf22 & ~0x01);
4224 
4225 	return 0;
4226 }
4227 
4228 void
4229 run_rt3070_rf_setup(struct run_softc *sc)
4230 {
4231 	uint8_t bbp, rf;
4232 	int i;
4233 
4234 	if (sc->mac_ver == 0x3572) {
4235 		/* enable DC filter */
4236 		if (sc->mac_rev >= 0x0201)
4237 			run_bbp_write(sc, 103, 0xc0);
4238 
4239 		run_bbp_read(sc, 138, &bbp);
4240 		if (sc->ntxchains == 1)
4241 			bbp |= 0x20;	/* turn off DAC1 */
4242 		if (sc->nrxchains == 1)
4243 			bbp &= ~0x02;	/* turn off ADC1 */
4244 		run_bbp_write(sc, 138, bbp);
4245 
4246 		if (sc->mac_rev >= 0x0211) {
4247 			/* improve power consumption */
4248 			run_bbp_read(sc, 31, &bbp);
4249 			run_bbp_write(sc, 31, bbp & ~0x03);
4250 		}
4251 
4252 		run_rt3070_rf_read(sc, 16, &rf);
4253 		rf = (rf & ~0x07) | sc->txmixgain_2ghz;
4254 		run_rt3070_rf_write(sc, 16, rf);
4255 
4256 	} else if (sc->mac_ver == 0x3071) {
4257 		/* enable DC filter */
4258 		if (sc->mac_rev >= 0x0211) {
4259 			run_bbp_write(sc, 103, 0xc0);
4260 
4261 			/* improve power consumption */
4262 			run_bbp_read(sc, 31, &bbp);
4263 			run_bbp_write(sc, 31, bbp & ~0x03);
4264 		}
4265 
4266 		run_bbp_read(sc, 138, &bbp);
4267 		if (sc->ntxchains == 1)
4268 			bbp |= 0x20;	/* turn off DAC1 */
4269 		if (sc->nrxchains == 1)
4270 			bbp &= ~0x02;	/* turn off ADC1 */
4271 		run_bbp_write(sc, 138, bbp);
4272 
4273 		run_write(sc, RT2860_TX_SW_CFG1, 0);
4274 		if (sc->mac_rev < 0x0211) {
4275 			run_write(sc, RT2860_TX_SW_CFG2,
4276 			    sc->patch_dac ? 0x2c : 0x0f);
4277 		} else
4278 			run_write(sc, RT2860_TX_SW_CFG2, 0);
4279 
4280 	} else if (sc->mac_ver == 0x3070) {
4281 		if (sc->mac_rev >= 0x0201) {
4282 			/* enable DC filter */
4283 			run_bbp_write(sc, 103, 0xc0);
4284 
4285 			/* improve power consumption */
4286 			run_bbp_read(sc, 31, &bbp);
4287 			run_bbp_write(sc, 31, bbp & ~0x03);
4288 		}
4289 
4290 		if (sc->mac_rev < 0x0201) {
4291 			run_write(sc, RT2860_TX_SW_CFG1, 0);
4292 			run_write(sc, RT2860_TX_SW_CFG2, 0x2c);
4293 		} else
4294 			run_write(sc, RT2860_TX_SW_CFG2, 0);
4295 	}
4296 
4297 	/* initialize RF registers from ROM for >=RT3071*/
4298 	if (sc->mac_ver >= 0x3071) {
4299 		for (i = 0; i < 10; i++) {
4300 			if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff)
4301 				continue;
4302 			run_rt3070_rf_write(sc, sc->rf[i].reg, sc->rf[i].val);
4303 		}
4304 	}
4305 }
4306 
4307 void
4308 run_rt3593_rf_setup(struct run_softc *sc)
4309 {
4310 	uint8_t bbp, rf;
4311 
4312 	if (sc->mac_rev >= 0x0211) {
4313 		/* Enable DC filter. */
4314 		run_bbp_write(sc, 103, 0xc0);
4315 	}
4316 	run_write(sc, RT2860_TX_SW_CFG1, 0);
4317 	if (sc->mac_rev < 0x0211) {
4318 		run_write(sc, RT2860_TX_SW_CFG2,
4319 		    sc->patch_dac ? 0x2c : 0x0f);
4320 	} else
4321 		run_write(sc, RT2860_TX_SW_CFG2, 0);
4322 
4323 	run_rt3070_rf_read(sc, 50, &rf);
4324 	run_rt3070_rf_write(sc, 50, rf & ~RT3593_TX_LO2);
4325 
4326 	run_rt3070_rf_read(sc, 51, &rf);
4327 	rf = (rf & ~(RT3593_TX_LO1 | 0x0c)) |
4328 	    ((sc->txmixgain_2ghz & 0x07) << 2);
4329 	run_rt3070_rf_write(sc, 51, rf);
4330 
4331 	run_rt3070_rf_read(sc, 38, &rf);
4332 	run_rt3070_rf_write(sc, 38, rf & ~RT5390_RX_LO1);
4333 
4334 	run_rt3070_rf_read(sc, 39, &rf);
4335 	run_rt3070_rf_write(sc, 39, rf & ~RT5390_RX_LO2);
4336 
4337 	run_rt3070_rf_read(sc, 1, &rf);
4338 	run_rt3070_rf_write(sc, 1, rf & ~(RT3070_RF_BLOCK | RT3070_PLL_PD));
4339 
4340 	run_rt3070_rf_read(sc, 30, &rf);
4341 	rf = (rf & ~0x18) | 0x10;
4342 	run_rt3070_rf_write(sc, 30, rf);
4343 
4344 	/* Apply maximum likelihood detection for 2 stream case. */
4345 	run_bbp_read(sc, 105, &bbp);
4346 	if (sc->nrxchains > 1)
4347 		run_bbp_write(sc, 105, bbp | RT5390_MLD);
4348 
4349 	/* Avoid data lost and CRC error. */
4350 	run_bbp_read(sc, 4, &bbp);
4351 	run_bbp_write(sc, 4, bbp | RT5390_MAC_IF_CTRL);
4352 
4353 	run_bbp_write(sc, 92, 0x02);
4354 	run_bbp_write(sc, 82, 0x82);
4355 	run_bbp_write(sc, 106, 0x05);
4356 	run_bbp_write(sc, 104, 0x92);
4357 	run_bbp_write(sc, 88, 0x90);
4358 	run_bbp_write(sc, 148, 0xc8);
4359 	run_bbp_write(sc, 47, 0x48);
4360 	run_bbp_write(sc, 120, 0x50);
4361 
4362 	run_bbp_write(sc, 163, 0x9d);
4363 
4364 	/* SNR mapping. */
4365 	run_bbp_write(sc, 142, 0x06);
4366 	run_bbp_write(sc, 143, 0xa0);
4367 	run_bbp_write(sc, 142, 0x07);
4368 	run_bbp_write(sc, 143, 0xa1);
4369 	run_bbp_write(sc, 142, 0x08);
4370 	run_bbp_write(sc, 143, 0xa2);
4371 
4372 	run_bbp_write(sc, 31, 0x08);
4373 	run_bbp_write(sc, 68, 0x0b);
4374 	run_bbp_write(sc, 105, 0x04);
4375 }
4376 
4377 void
4378 run_rt5390_rf_setup(struct run_softc *sc)
4379 {
4380 	uint8_t bbp, rf;
4381 
4382 	if (sc->mac_rev >= 0x0211) {
4383 		/* Enable DC filter. */
4384 		run_bbp_write(sc, 103, 0xc0);
4385 
4386 		if (sc->mac_ver != 0x5592) {
4387 			/* Improve power consumption. */
4388 			run_bbp_read(sc, 31, &bbp);
4389 			run_bbp_write(sc, 31, bbp & ~0x03);
4390 		}
4391 	}
4392 
4393 	run_bbp_read(sc, 138, &bbp);
4394 	if (sc->ntxchains == 1)
4395 		bbp |= 0x20;	/* turn off DAC1 */
4396 	if (sc->nrxchains == 1)
4397 		bbp &= ~0x02;	/* turn off ADC1 */
4398 	run_bbp_write(sc, 138, bbp);
4399 
4400 	run_rt3070_rf_read(sc, 38, &rf);
4401 	run_rt3070_rf_write(sc, 38, rf & ~RT5390_RX_LO1);
4402 
4403 	run_rt3070_rf_read(sc, 39, &rf);
4404 	run_rt3070_rf_write(sc, 39, rf & ~RT5390_RX_LO2);
4405 
4406 	/* Avoid data lost and CRC error. */
4407 	run_bbp_read(sc, 4, &bbp);
4408 	run_bbp_write(sc, 4, bbp | RT5390_MAC_IF_CTRL);
4409 
4410 	run_rt3070_rf_read(sc, 30, &rf);
4411 	rf = (rf & ~0x18) | 0x10;
4412 	run_rt3070_rf_write(sc, 30, rf);
4413 
4414 	if (sc->mac_ver != 0x5592) {
4415 		run_write(sc, RT2860_TX_SW_CFG1, 0);
4416 		if (sc->mac_rev < 0x0211) {
4417 			run_write(sc, RT2860_TX_SW_CFG2,
4418 			    sc->patch_dac ? 0x2c : 0x0f);
4419 		} else
4420 			run_write(sc, RT2860_TX_SW_CFG2, 0);
4421 	}
4422 }
4423 
4424 int
4425 run_txrx_enable(struct run_softc *sc)
4426 {
4427 	uint32_t tmp;
4428 	int error, ntries;
4429 
4430 	run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN);
4431 	for (ntries = 0; ntries < 200; ntries++) {
4432 		if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0)
4433 			return error;
4434 		if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
4435 			break;
4436 		DELAY(1000);
4437 	}
4438 	if (ntries == 200)
4439 		return ETIMEDOUT;
4440 
4441 	DELAY(50);
4442 
4443 	tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | RT2860_TX_WB_DDONE;
4444 	run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
4445 
4446 	/* enable Rx bulk aggregation (set timeout and limit) */
4447 	tmp = RT2860_USB_TX_EN | RT2860_USB_RX_EN | RT2860_USB_RX_AGG_EN |
4448 	    RT2860_USB_RX_AGG_TO(128) | RT2860_USB_RX_AGG_LMT(2);
4449 	run_write(sc, RT2860_USB_DMA_CFG, tmp);
4450 
4451 	/* set Rx filter */
4452 	tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR;
4453 	if (sc->sc_ic.ic_opmode != IEEE80211_M_MONITOR) {
4454 		tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL |
4455 		    RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK |
4456 		    RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV |
4457 		    RT2860_DROP_CFACK | RT2860_DROP_CFEND;
4458 		if (sc->sc_ic.ic_opmode == IEEE80211_M_STA)
4459 			tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL;
4460 	}
4461 	run_write(sc, RT2860_RX_FILTR_CFG, tmp);
4462 
4463 	run_write(sc, RT2860_MAC_SYS_CTRL,
4464 	    RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
4465 
4466 	return 0;
4467 }
4468 
4469 void
4470 run_adjust_freq_offset(struct run_softc *sc)
4471 {
4472 	uint8_t rf, tmp;
4473 
4474 	run_rt3070_rf_read(sc, 17, &rf);
4475 	tmp = rf;
4476 	rf = (rf & ~0x7f) | (sc->freq & 0x7f);
4477 	rf = MIN(rf, 0x5f);
4478 
4479 	if (tmp != rf)
4480 		run_mcu_cmd(sc, 0x74, (tmp << 8 ) | rf);
4481 }
4482 
4483 int
4484 run_init(struct ifnet *ifp)
4485 {
4486 	struct run_softc *sc = ifp->if_softc;
4487 	struct ieee80211com *ic = &sc->sc_ic;
4488 	uint32_t tmp;
4489 	uint8_t bbp1, bbp3;
4490 	int i, error, qid, ridx, ntries;
4491 
4492 	if (usbd_is_dying(sc->sc_udev))
4493 		return ENXIO;
4494 
4495 	for (ntries = 0; ntries < 100; ntries++) {
4496 		if ((error = run_read(sc, RT2860_ASIC_VER_ID, &tmp)) != 0)
4497 			goto fail;
4498 		if (tmp != 0 && tmp != 0xffffffff)
4499 			break;
4500 		DELAY(10);
4501 	}
4502 	if (ntries == 100) {
4503 		error = ETIMEDOUT;
4504 		goto fail;
4505 	}
4506 
4507 	if ((error = run_load_microcode(sc)) != 0) {
4508 		printf("%s: could not load 8051 microcode\n",
4509 		    sc->sc_dev.dv_xname);
4510 		goto fail;
4511 	}
4512 
4513 	/* init host command ring */
4514 	sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0;
4515 
4516 	/* init Tx rings (4 EDCAs) */
4517 	for (qid = 0; qid < 4; qid++) {
4518 		if ((error = run_alloc_tx_ring(sc, qid)) != 0)
4519 			goto fail;
4520 	}
4521 	/* init Rx ring */
4522 	if ((error = run_alloc_rx_ring(sc)) != 0)
4523 		goto fail;
4524 
4525 	IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl));
4526 	run_set_macaddr(sc, ic->ic_myaddr);
4527 
4528 	for (ntries = 0; ntries < 100; ntries++) {
4529 		if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0)
4530 			goto fail;
4531 		if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
4532 			break;
4533 		DELAY(1000);
4534 	}
4535 	if (ntries == 100) {
4536 		printf("%s: timeout waiting for DMA engine\n",
4537 		    sc->sc_dev.dv_xname);
4538 		error = ETIMEDOUT;
4539 		goto fail;
4540 	}
4541 	tmp &= 0xff0;
4542 	tmp |= RT2860_TX_WB_DDONE;
4543 	run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
4544 
4545 	/* turn off PME_OEN to solve high-current issue */
4546 	run_read(sc, RT2860_SYS_CTRL, &tmp);
4547 	run_write(sc, RT2860_SYS_CTRL, tmp & ~RT2860_PME_OEN);
4548 
4549 	run_write(sc, RT2860_MAC_SYS_CTRL,
4550 	    RT2860_BBP_HRST | RT2860_MAC_SRST);
4551 	run_write(sc, RT2860_USB_DMA_CFG, 0);
4552 
4553 	if ((error = run_reset(sc)) != 0) {
4554 		printf("%s: could not reset chipset\n", sc->sc_dev.dv_xname);
4555 		goto fail;
4556 	}
4557 
4558 	run_write(sc, RT2860_MAC_SYS_CTRL, 0);
4559 
4560 	/* init Tx power for all Tx rates (from EEPROM) */
4561 	for (ridx = 0; ridx < 5; ridx++) {
4562 		if (sc->txpow20mhz[ridx] == 0xffffffff)
4563 			continue;
4564 		run_write(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]);
4565 	}
4566 
4567 	for (i = 0; i < nitems(rt2870_def_mac); i++)
4568 		run_write(sc, rt2870_def_mac[i].reg, rt2870_def_mac[i].val);
4569 	run_write(sc, RT2860_WMM_AIFSN_CFG, 0x00002273);
4570 	run_write(sc, RT2860_WMM_CWMIN_CFG, 0x00002344);
4571 	run_write(sc, RT2860_WMM_CWMAX_CFG, 0x000034aa);
4572 
4573 	if (sc->mac_ver >= 0x5390) {
4574 		run_write(sc, RT2860_TX_SW_CFG0,
4575 		    4 << RT2860_DLY_PAPE_EN_SHIFT | 4);
4576 		if (sc->mac_ver >= 0x5392) {
4577 			run_write(sc, RT2860_MAX_LEN_CFG, 0x00002fff);
4578 			if (sc->mac_ver == 0x5592) {
4579 				run_write(sc, RT2860_HT_FBK_CFG1, 0xedcba980);
4580 				run_write(sc, RT2860_TXOP_HLDR_ET, 0x00000082);
4581 			} else {
4582 				run_write(sc, RT2860_HT_FBK_CFG1, 0xedcb4980);
4583 				run_write(sc, RT2860_LG_FBK_CFG0, 0xedcba322);
4584 			}
4585 		}
4586 	} else if (sc->mac_ver == 0x3593) {
4587 		run_write(sc, RT2860_TX_SW_CFG0,
4588 		    4 << RT2860_DLY_PAPE_EN_SHIFT | 2);
4589 	} else if (sc->mac_ver >= 0x3070) {
4590 		/* set delay of PA_PE assertion to 1us (unit of 0.25us) */
4591 		run_write(sc, RT2860_TX_SW_CFG0,
4592 		    4 << RT2860_DLY_PAPE_EN_SHIFT);
4593 	}
4594 
4595 	/* wait while MAC is busy */
4596 	for (ntries = 0; ntries < 100; ntries++) {
4597 		if ((error = run_read(sc, RT2860_MAC_STATUS_REG, &tmp)) != 0)
4598 			goto fail;
4599 		if (!(tmp & (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY)))
4600 			break;
4601 		DELAY(1000);
4602 	}
4603 	if (ntries == 100) {
4604 		error = ETIMEDOUT;
4605 		goto fail;
4606 	}
4607 
4608 	/* clear Host to MCU mailbox */
4609 	run_write(sc, RT2860_H2M_BBPAGENT, 0);
4610 	run_write(sc, RT2860_H2M_MAILBOX, 0);
4611 	DELAY(1000);
4612 
4613 	if ((error = run_bbp_init(sc)) != 0) {
4614 		printf("%s: could not initialize BBP\n", sc->sc_dev.dv_xname);
4615 		goto fail;
4616 	}
4617 
4618 	/* abort TSF synchronization */
4619 	run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
4620 	tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
4621 	    RT2860_TBTT_TIMER_EN);
4622 	run_write(sc, RT2860_BCN_TIME_CFG, tmp);
4623 
4624 	/* clear RX WCID search table */
4625 	run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512);
4626 	/* clear WCID attribute table */
4627 	run_set_region_4(sc, RT2860_WCID_ATTR(0), 0, 8 * 32);
4628 	/* clear shared key table */
4629 	run_set_region_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32);
4630 	/* clear shared key mode */
4631 	run_set_region_4(sc, RT2860_SKEY_MODE_0_7, 0, 4);
4632 
4633 	run_read(sc, RT2860_US_CYC_CNT, &tmp);
4634 	tmp = (tmp & ~0xff) | 0x1e;
4635 	run_write(sc, RT2860_US_CYC_CNT, tmp);
4636 
4637 	if (sc->mac_rev != 0x0101)
4638 		run_write(sc, RT2860_TXOP_CTRL_CFG, 0x0000583f);
4639 
4640 	run_write(sc, RT2860_WMM_TXOP0_CFG, 0);
4641 	run_write(sc, RT2860_WMM_TXOP1_CFG, 48 << 16 | 96);
4642 
4643 	/* write vendor-specific BBP values (from EEPROM) */
4644 	if (sc->mac_ver < 0x3593) {
4645 		for (i = 0; i < 8; i++) {
4646 			if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff)
4647 				continue;
4648 			run_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val);
4649 		}
4650 	}
4651 
4652 	/* select Main antenna for 1T1R devices */
4653 	if (sc->rf_rev == RT3070_RF_3020 || sc->rf_rev == RT5390_RF_5370)
4654 		run_set_rx_antenna(sc, 0);
4655 
4656 	/* send LEDs operating mode to microcontroller */
4657 	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0]);
4658 	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1]);
4659 	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2]);
4660 
4661 	if (sc->mac_ver >= 0x5390)
4662 		run_rt5390_rf_init(sc);
4663 	else if (sc->mac_ver == 0x3593)
4664 		run_rt3593_rf_init(sc);
4665 	else if (sc->mac_ver >= 0x3070)
4666 		run_rt3070_rf_init(sc);
4667 
4668 	/* disable non-existing Rx chains */
4669 	run_bbp_read(sc, 3, &bbp3);
4670 	bbp3 &= ~(1 << 3 | 1 << 4);
4671 	if (sc->nrxchains == 2)
4672 		bbp3 |= 1 << 3;
4673 	else if (sc->nrxchains == 3)
4674 		bbp3 |= 1 << 4;
4675 	run_bbp_write(sc, 3, bbp3);
4676 
4677 	/* disable non-existing Tx chains */
4678 	run_bbp_read(sc, 1, &bbp1);
4679 	if (sc->ntxchains == 1)
4680 		bbp1 &= ~(1 << 3 | 1 << 4);
4681 	run_bbp_write(sc, 1, bbp1);
4682 
4683 	if (sc->mac_ver >= 0x5390)
4684 		run_rt5390_rf_setup(sc);
4685 	else if (sc->mac_ver == 0x3593)
4686 		run_rt3593_rf_setup(sc);
4687 	else if (sc->mac_ver >= 0x3070)
4688 		run_rt3070_rf_setup(sc);
4689 
4690 	/* select default channel */
4691 	ic->ic_bss->ni_chan = ic->ic_ibss_chan;
4692 	run_set_chan(sc, ic->ic_ibss_chan);
4693 
4694 	/* turn radio LED on */
4695 	run_set_leds(sc, RT2860_LED_RADIO);
4696 
4697 	for (i = 0; i < RUN_RX_RING_COUNT; i++) {
4698 		struct run_rx_data *data = &sc->rxq.data[i];
4699 
4700 		usbd_setup_xfer(data->xfer, sc->rxq.pipeh, data, data->buf,
4701 		    RUN_MAX_RXSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4702 		    USBD_NO_TIMEOUT, run_rxeof);
4703 		error = usbd_transfer(data->xfer);
4704 		if (error != 0 && error != USBD_IN_PROGRESS)
4705 			goto fail;
4706 	}
4707 
4708 	if ((error = run_txrx_enable(sc)) != 0)
4709 		goto fail;
4710 
4711 	ifp->if_flags |= IFF_RUNNING;
4712 	ifq_clr_oactive(&ifp->if_snd);
4713 
4714 	if (ic->ic_flags & IEEE80211_F_WEPON) {
4715 		/* install WEP keys */
4716 		for (i = 0; i < IEEE80211_WEP_NKID; i++) {
4717 			if (ic->ic_nw_keys[i].k_cipher != IEEE80211_CIPHER_NONE)
4718 				(void)run_set_key(ic, NULL, &ic->ic_nw_keys[i]);
4719 		}
4720 	}
4721 
4722 	if (ic->ic_opmode == IEEE80211_M_MONITOR)
4723 		ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
4724 	else
4725 		ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
4726 
4727 	if (error != 0)
4728 fail:		run_stop(ifp, 1);
4729 	return error;
4730 }
4731 
4732 void
4733 run_stop(struct ifnet *ifp, int disable)
4734 {
4735 	struct run_softc *sc = ifp->if_softc;
4736 	struct ieee80211com *ic = &sc->sc_ic;
4737 	uint32_t tmp;
4738 	int s, ntries, qid;
4739 
4740 	if (ifp->if_flags & IFF_RUNNING)
4741 		run_set_leds(sc, 0);	/* turn all LEDs off */
4742 
4743 	sc->sc_tx_timer = 0;
4744 	ifp->if_timer = 0;
4745 	ifp->if_flags &= ~IFF_RUNNING;
4746 	ifq_clr_oactive(&ifp->if_snd);
4747 
4748 	timeout_del(&sc->scan_to);
4749 	timeout_del(&sc->calib_to);
4750 
4751 	s = splusb();
4752 	ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
4753 	/* wait for all queued asynchronous commands to complete */
4754 	usb_wait_task(sc->sc_udev, &sc->sc_task);
4755 	splx(s);
4756 
4757 	/* Disable Tx/Rx DMA. */
4758 	run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp);
4759 	tmp &= ~(RT2860_RX_DMA_EN | RT2860_TX_DMA_EN);
4760 	run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
4761 
4762 	for (ntries = 0; ntries < 100; ntries++) {
4763 		if (run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp) != 0)
4764 			break;
4765 		if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
4766 			break;
4767 		DELAY(10);
4768 	}
4769 	if (ntries == 100) {
4770 		printf("%s: timeout waiting for DMA engine\n",
4771 		    sc->sc_dev.dv_xname);
4772 	}
4773 
4774 	/* disable Tx/Rx */
4775 	run_read(sc, RT2860_MAC_SYS_CTRL, &tmp);
4776 	tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
4777 	run_write(sc, RT2860_MAC_SYS_CTRL, tmp);
4778 
4779 	/* wait for pending Tx to complete */
4780 	for (ntries = 0; ntries < 100; ntries++) {
4781 		if (run_read(sc, RT2860_TXRXQ_PCNT, &tmp) != 0)
4782 			break;
4783 		if ((tmp & RT2860_TX2Q_PCNT_MASK) == 0)
4784 			break;
4785 	}
4786 	DELAY(1000);
4787 	run_write(sc, RT2860_USB_DMA_CFG, 0);
4788 
4789 	/* reset adapter */
4790 	run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST);
4791 	run_write(sc, RT2860_MAC_SYS_CTRL, 0);
4792 
4793 	/* reset Tx and Rx rings */
4794 	sc->qfullmsk = 0;
4795 	for (qid = 0; qid < 4; qid++)
4796 		run_free_tx_ring(sc, qid);
4797 	run_free_rx_ring(sc);
4798 }
4799