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Remove some more %D remains here and there.
[dragonfly.git] / sys / bus / u4b / wlan / if_zyd.c
CommitLineData
12bd3c8b
SW		 1/* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */
2/* $NetBSD: if_zyd.c,v 1.7 2007/06/21 04:04:29 kiyohara Exp $ */
3/* $FreeBSD$ */
4
5/*-
6 * Copyright (c) 2006 by Damien Bergamini <damien.bergamini@free.fr>
7 * Copyright (c) 2006 by Florian Stoehr <ich@florian-stoehr.de>
8 *
9 * Permission to use, copy, modify, and distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 */
21
12bd3c8b
SW		 22/*
23 * ZyDAS ZD1211/ZD1211B USB WLAN driver.
24 */
25
26#include <sys/param.h>
27#include <sys/sockio.h>
28#include <sys/sysctl.h>
29#include <sys/lock.h>
30#include <sys/mutex.h>
31#include <sys/condvar.h>
32#include <sys/mbuf.h>
33#include <sys/kernel.h>
34#include <sys/socket.h>
35#include <sys/systm.h>
36#include <sys/malloc.h>
37#include <sys/module.h>
38#include <sys/bus.h>
39#include <sys/endian.h>
40#include <sys/kdb.h>
41
42#include <machine/bus.h>
43#include <machine/resource.h>
44#include <sys/rman.h>
45
46#include <net/bpf.h>
47#include <net/if.h>
48#include <net/if_arp.h>
49#include <net/ethernet.h>
50#include <net/if_dl.h>
51#include <net/if_media.h>
52#include <net/if_types.h>
53
54#ifdef INET
55#include <netinet/in.h>
56#include <netinet/in_systm.h>
57#include <netinet/in_var.h>
58#include <netinet/if_ether.h>
59#include <netinet/ip.h>
60#endif
61
62#include <net80211/ieee80211_var.h>
63#include <net80211/ieee80211_regdomain.h>
64#include <net80211/ieee80211_radiotap.h>
65#include <net80211/ieee80211_ratectl.h>
66
67#include <dev/usb/usb.h>
68#include <dev/usb/usbdi.h>
69#include <dev/usb/usbdi_util.h>
70#include "usbdevs.h"
71
72#include <dev/usb/wlan/if_zydreg.h>
73#include <dev/usb/wlan/if_zydfw.h>
74
75#ifdef USB_DEBUG
76static int zyd_debug = 0;
77
78static SYSCTL_NODE(_hw_usb, OID_AUTO, zyd, CTLFLAG_RW, 0, "USB zyd");
79SYSCTL_INT(_hw_usb_zyd, OID_AUTO, debug, CTLFLAG_RW, &zyd_debug, 0,
80 "zyd debug level");
81
82enum {
83 ZYD_DEBUG_XMIT = 0x00000001, /* basic xmit operation */
84 ZYD_DEBUG_RECV = 0x00000002, /* basic recv operation */
85 ZYD_DEBUG_RESET = 0x00000004, /* reset processing */
86 ZYD_DEBUG_INIT = 0x00000008, /* device init */
87 ZYD_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */
88 ZYD_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */
89 ZYD_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */
90 ZYD_DEBUG_STAT = 0x00000080, /* statistic */
91 ZYD_DEBUG_FW = 0x00000100, /* firmware */
92 ZYD_DEBUG_CMD = 0x00000200, /* fw commands */
93 ZYD_DEBUG_ANY = 0xffffffff
94};
95#define DPRINTF(sc, m, fmt, ...) do { \
96 if (zyd_debug & (m)) \
97 printf("%s: " fmt, __func__, ## __VA_ARGS__); \
98} while (0)
99#else
100#define DPRINTF(sc, m, fmt, ...) do { \
101 (void) sc; \
102} while (0)
103#endif
104
105#define zyd_do_request(sc,req,data) \
106 usbd_do_request_flags((sc)->sc_udev, &(sc)->sc_mtx, req, data, 0, NULL, 5000)
107
108static device_probe_t zyd_match;
109static device_attach_t zyd_attach;
110static device_detach_t zyd_detach;
111
112static usb_callback_t zyd_intr_read_callback;
113static usb_callback_t zyd_intr_write_callback;
114static usb_callback_t zyd_bulk_read_callback;
115static usb_callback_t zyd_bulk_write_callback;
116
117static struct ieee80211vap *zyd_vap_create(struct ieee80211com *,
118 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
119 const uint8_t [IEEE80211_ADDR_LEN],
120 const uint8_t [IEEE80211_ADDR_LEN]);
121static void zyd_vap_delete(struct ieee80211vap *);
122static void zyd_tx_free(struct zyd_tx_data *, int);
123static void zyd_setup_tx_list(struct zyd_softc *);
124static void zyd_unsetup_tx_list(struct zyd_softc *);
125static int zyd_newstate(struct ieee80211vap *, enum ieee80211_state, int);
126static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int,
127 void *, int, int);
128static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *);
129static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *);
130static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t);
131static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t);
132static int zyd_rfwrite(struct zyd_softc *, uint32_t);
133static int zyd_lock_phy(struct zyd_softc *);
134static int zyd_unlock_phy(struct zyd_softc *);
135static int zyd_rf_attach(struct zyd_softc *, uint8_t);
136static const char *zyd_rf_name(uint8_t);
137static int zyd_hw_init(struct zyd_softc *);
138static int zyd_read_pod(struct zyd_softc *);
139static int zyd_read_eeprom(struct zyd_softc *);
140static int zyd_get_macaddr(struct zyd_softc *);
141static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *);
142static int zyd_set_bssid(struct zyd_softc *, const uint8_t *);
143static int zyd_switch_radio(struct zyd_softc *, int);
144static int zyd_set_led(struct zyd_softc *, int, int);
145static void zyd_set_multi(struct zyd_softc *);
146static void zyd_update_mcast(struct ifnet *);
147static int zyd_set_rxfilter(struct zyd_softc *);
148static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *);
149static int zyd_set_beacon_interval(struct zyd_softc *, int);
150static void zyd_rx_data(struct usb_xfer *, int, uint16_t);
151static int zyd_tx_start(struct zyd_softc *, struct mbuf *,
152 struct ieee80211_node *);
153static void zyd_start(struct ifnet *);
154static int zyd_raw_xmit(struct ieee80211_node *, struct mbuf *,
155 const struct ieee80211_bpf_params *);
156static int zyd_ioctl(struct ifnet *, u_long, caddr_t);
157static void zyd_init_locked(struct zyd_softc *);
158static void zyd_init(void *);
159static void zyd_stop(struct zyd_softc *);
160static int zyd_loadfirmware(struct zyd_softc *);
161static void zyd_scan_start(struct ieee80211com *);
162static void zyd_scan_end(struct ieee80211com *);
163static void zyd_set_channel(struct ieee80211com *);
164static int zyd_rfmd_init(struct zyd_rf *);
165static int zyd_rfmd_switch_radio(struct zyd_rf *, int);
166static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t);
167static int zyd_al2230_init(struct zyd_rf *);
168static int zyd_al2230_switch_radio(struct zyd_rf *, int);
169static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t);
170static int zyd_al2230_set_channel_b(struct zyd_rf *, uint8_t);
171static int zyd_al2230_init_b(struct zyd_rf *);
172static int zyd_al7230B_init(struct zyd_rf *);
173static int zyd_al7230B_switch_radio(struct zyd_rf *, int);
174static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t);
175static int zyd_al2210_init(struct zyd_rf *);
176static int zyd_al2210_switch_radio(struct zyd_rf *, int);
177static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t);
178static int zyd_gct_init(struct zyd_rf *);
179static int zyd_gct_switch_radio(struct zyd_rf *, int);
180static int zyd_gct_set_channel(struct zyd_rf *, uint8_t);
181static int zyd_gct_mode(struct zyd_rf *);
182static int zyd_gct_set_channel_synth(struct zyd_rf *, int, int);
183static int zyd_gct_write(struct zyd_rf *, uint16_t);
184static int zyd_gct_txgain(struct zyd_rf *, uint8_t);
185static int zyd_maxim2_init(struct zyd_rf *);
186static int zyd_maxim2_switch_radio(struct zyd_rf *, int);
187static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t);
188
189static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY;
190static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB;
191
192/* various supported device vendors/products */
193#define ZYD_ZD1211 0
194#define ZYD_ZD1211B 1
195
196#define ZYD_ZD1211_DEV(v,p) \
197 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211) }
198#define ZYD_ZD1211B_DEV(v,p) \
199 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211B) }
200static const STRUCT_USB_HOST_ID zyd_devs[] = {
201 /* ZYD_ZD1211 */
202 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075),
203 ZYD_ZD1211_DEV(ABOCOM, WL54),
204 ZYD_ZD1211_DEV(ASUS, WL159G),
205 ZYD_ZD1211_DEV(CYBERTAN, TG54USB),
206 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550),
207 ZYD_ZD1211_DEV(PLANEX2, GWUS54GD),
208 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL),
209 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ),
210 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI),
211 ZYD_ZD1211_DEV(SAGEM, XG760A),
212 ZYD_ZD1211_DEV(SENAO, NUB8301),
213 ZYD_ZD1211_DEV(SITECOMEU, WL113),
214 ZYD_ZD1211_DEV(SWEEX, ZD1211),
215 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN),
216 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1),
217 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2),
218 ZYD_ZD1211_DEV(TWINMOS, G240),
219 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2),
220 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A),
221 ZYD_ZD1211_DEV(UMEDIA, TEW429UB),
222 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G),
223 ZYD_ZD1211_DEV(ZCOM, ZD1211),
224 ZYD_ZD1211_DEV(ZYDAS, ZD1211),
225 ZYD_ZD1211_DEV(ZYXEL, AG225H),
226 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220),
227 ZYD_ZD1211_DEV(ZYXEL, G200V2),
228 /* ZYD_ZD1211B */
229 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG_NF),
230 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG),
231 ZYD_ZD1211B_DEV(ACCTON, ZD1211B),
232 ZYD_ZD1211B_DEV(ASUS, A9T_WIFI),
233 ZYD_ZD1211B_DEV(BELKIN, F5D7050_V4000),
234 ZYD_ZD1211B_DEV(BELKIN, ZD1211B),
235 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G),
236 ZYD_ZD1211B_DEV(FIBERLINE, WL430U),
237 ZYD_ZD1211B_DEV(MELCO, KG54L),
238 ZYD_ZD1211B_DEV(PHILIPS, SNU5600),
239 ZYD_ZD1211B_DEV(PLANEX2, GW_US54GXS),
240 ZYD_ZD1211B_DEV(SAGEM, XG76NA),
241 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B),
242 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1),
243 ZYD_ZD1211B_DEV(USR, USR5423),
244 ZYD_ZD1211B_DEV(VTECH, ZD1211B),
245 ZYD_ZD1211B_DEV(ZCOM, ZD1211B),
246 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B),
247 ZYD_ZD1211B_DEV(ZYXEL, M202),
248 ZYD_ZD1211B_DEV(ZYXEL, G202),
249 ZYD_ZD1211B_DEV(ZYXEL, G220V2)
250};
251
252static const struct usb_config zyd_config[ZYD_N_TRANSFER] = {
253 [ZYD_BULK_WR] = {
254 .type = UE_BULK,
255 .endpoint = UE_ADDR_ANY,
256 .direction = UE_DIR_OUT,
257 .bufsize = ZYD_MAX_TXBUFSZ,
258 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
259 .callback = zyd_bulk_write_callback,
260 .ep_index = 0,
261 .timeout = 10000, /* 10 seconds */
262 },
263 [ZYD_BULK_RD] = {
264 .type = UE_BULK,
265 .endpoint = UE_ADDR_ANY,
266 .direction = UE_DIR_IN,
267 .bufsize = ZYX_MAX_RXBUFSZ,
268 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
269 .callback = zyd_bulk_read_callback,
270 .ep_index = 0,
271 },
272 [ZYD_INTR_WR] = {
273 .type = UE_BULK_INTR,
274 .endpoint = UE_ADDR_ANY,
275 .direction = UE_DIR_OUT,
276 .bufsize = sizeof(struct zyd_cmd),
277 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
278 .callback = zyd_intr_write_callback,
279 .timeout = 1000, /* 1 second */
280 .ep_index = 1,
281 },
282 [ZYD_INTR_RD] = {
283 .type = UE_INTERRUPT,
284 .endpoint = UE_ADDR_ANY,
285 .direction = UE_DIR_IN,
286 .bufsize = sizeof(struct zyd_cmd),
287 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
288 .callback = zyd_intr_read_callback,
289 },
290};
291#define zyd_read16_m(sc, val, data) do { \
292 error = zyd_read16(sc, val, data); \
293 if (error != 0) \
294 goto fail; \
295} while (0)
296#define zyd_write16_m(sc, val, data) do { \
297 error = zyd_write16(sc, val, data); \
298 if (error != 0) \
299 goto fail; \
300} while (0)
301#define zyd_read32_m(sc, val, data) do { \
302 error = zyd_read32(sc, val, data); \
303 if (error != 0) \
304 goto fail; \
305} while (0)
306#define zyd_write32_m(sc, val, data) do { \
307 error = zyd_write32(sc, val, data); \
308 if (error != 0) \
309 goto fail; \
310} while (0)
311
312static int
313zyd_match(device_t dev)
314{
315 struct usb_attach_arg *uaa = device_get_ivars(dev);
316
317 if (uaa->usb_mode != USB_MODE_HOST)
318 return (ENXIO);
319 if (uaa->info.bConfigIndex != ZYD_CONFIG_INDEX)
320 return (ENXIO);
321 if (uaa->info.bIfaceIndex != ZYD_IFACE_INDEX)
322 return (ENXIO);
323
324 return (usbd_lookup_id_by_uaa(zyd_devs, sizeof(zyd_devs), uaa));
325}
326
327static int
328zyd_attach(device_t dev)
329{
330 struct usb_attach_arg *uaa = device_get_ivars(dev);
331 struct zyd_softc *sc = device_get_softc(dev);
332 struct ifnet *ifp;
333 struct ieee80211com *ic;
334 uint8_t iface_index, bands;
335 int error;
336
337 if (uaa->info.bcdDevice < 0x4330) {
338 device_printf(dev, "device version mismatch: 0x%X "
339 "(only >= 43.30 supported)\n",
340 uaa->info.bcdDevice);
341 return (EINVAL);
342 }
343
344 device_set_usb_desc(dev);
345 sc->sc_dev = dev;
346 sc->sc_udev = uaa->device;
347 sc->sc_macrev = USB_GET_DRIVER_INFO(uaa);
348
349 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev),
350 MTX_NETWORK_LOCK, MTX_DEF);
351 STAILQ_INIT(&sc->sc_rqh);
352
353 iface_index = ZYD_IFACE_INDEX;
354 error = usbd_transfer_setup(uaa->device,
355 &iface_index, sc->sc_xfer, zyd_config,
356 ZYD_N_TRANSFER, sc, &sc->sc_mtx);
357 if (error) {
358 device_printf(dev, "could not allocate USB transfers, "
359 "err=%s\n", usbd_errstr(error));
360 goto detach;
361 }
362
363 ZYD_LOCK(sc);
364 if ((error = zyd_get_macaddr(sc)) != 0) {
365 device_printf(sc->sc_dev, "could not read EEPROM\n");
366 ZYD_UNLOCK(sc);
367 goto detach;
368 }
369 ZYD_UNLOCK(sc);
370
371 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
372 if (ifp == NULL) {
373 device_printf(sc->sc_dev, "can not if_alloc()\n");
374 goto detach;
375 }
376 ifp->if_softc = sc;
377 if_initname(ifp, "zyd", device_get_unit(sc->sc_dev));
378 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
379 ifp->if_init = zyd_init;
380 ifp->if_ioctl = zyd_ioctl;
381 ifp->if_start = zyd_start;
382 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
383 IFQ_SET_READY(&ifp->if_snd);
384
385 ic = ifp->if_l2com;
386 ic->ic_ifp = ifp;
387 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
388 ic->ic_opmode = IEEE80211_M_STA;
389
390 /* set device capabilities */
391 ic->ic_caps =
392 IEEE80211_C_STA /* station mode */
393 | IEEE80211_C_MONITOR /* monitor mode */
394 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
395 | IEEE80211_C_SHSLOT /* short slot time supported */
396 | IEEE80211_C_BGSCAN /* capable of bg scanning */
397 | IEEE80211_C_WPA /* 802.11i */
398 ;
399
400 bands = 0;
401 setbit(&bands, IEEE80211_MODE_11B);
402 setbit(&bands, IEEE80211_MODE_11G);
403 ieee80211_init_channels(ic, NULL, &bands);
404
405 ieee80211_ifattach(ic, sc->sc_bssid);
406 ic->ic_raw_xmit = zyd_raw_xmit;
407 ic->ic_scan_start = zyd_scan_start;
408 ic->ic_scan_end = zyd_scan_end;
409 ic->ic_set_channel = zyd_set_channel;
410
411 ic->ic_vap_create = zyd_vap_create;
412 ic->ic_vap_delete = zyd_vap_delete;
413 ic->ic_update_mcast = zyd_update_mcast;
414 ic->ic_update_promisc = zyd_update_mcast;
415
416 ieee80211_radiotap_attach(ic,
417 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
418 ZYD_TX_RADIOTAP_PRESENT,
419 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
420 ZYD_RX_RADIOTAP_PRESENT);
421
422 if (bootverbose)
423 ieee80211_announce(ic);
424
425 return (0);
426
427detach:
428 zyd_detach(dev);
429 return (ENXIO); /* failure */
430}
431
432static int
433zyd_detach(device_t dev)
434{
435 struct zyd_softc *sc = device_get_softc(dev);
436 struct ifnet *ifp = sc->sc_ifp;
437 struct ieee80211com *ic;
438
439 /* stop all USB transfers */
440 usbd_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER);
441
442 /* free TX list, if any */
443 zyd_unsetup_tx_list(sc);
444
445 if (ifp) {
446 ic = ifp->if_l2com;
447 ieee80211_ifdetach(ic);
448 if_free(ifp);
449 }
450 mtx_destroy(&sc->sc_mtx);
451
452 return (0);
453}
454
455static struct ieee80211vap *
456zyd_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
457 enum ieee80211_opmode opmode, int flags,
458 const uint8_t bssid[IEEE80211_ADDR_LEN],
459 const uint8_t mac[IEEE80211_ADDR_LEN])
460{
461 struct zyd_vap *zvp;
462 struct ieee80211vap *vap;
463
464 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
465 return (NULL);
466 zvp = (struct zyd_vap *) malloc(sizeof(struct zyd_vap),
f6807fa3 467 M_80211_VAP, M_WAITOK | M_ZERO);
12bd3c8b
SW		 468 if (zvp == NULL)
469 return (NULL);
470 vap = &zvp->vap;
471 /* enable s/w bmiss handling for sta mode */
472 ieee80211_vap_setup(ic, vap, name, unit, opmode,
473 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
474
475 /* override state transition machine */
476 zvp->newstate = vap->iv_newstate;
477 vap->iv_newstate = zyd_newstate;
478
479 ieee80211_ratectl_init(vap);
480 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
481
482 /* complete setup */
483 ieee80211_vap_attach(vap, ieee80211_media_change,
484 ieee80211_media_status);
485 ic->ic_opmode = opmode;
486 return (vap);
487}
488
489static void
490zyd_vap_delete(struct ieee80211vap *vap)
491{
492 struct zyd_vap *zvp = ZYD_VAP(vap);
493
494 ieee80211_ratectl_deinit(vap);
495 ieee80211_vap_detach(vap);
496 free(zvp, M_80211_VAP);
497}
498
499static void
500zyd_tx_free(struct zyd_tx_data *data, int txerr)
501{
502 struct zyd_softc *sc = data->sc;
503
504 if (data->m != NULL) {
505 if (data->m->m_flags & M_TXCB)
506 ieee80211_process_callback(data->ni, data->m,
507 txerr ? ETIMEDOUT : 0);
508 m_freem(data->m);
509 data->m = NULL;
510
511 ieee80211_free_node(data->ni);
512 data->ni = NULL;
513 }
514 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
515 sc->tx_nfree++;
516}
517
518static void
519zyd_setup_tx_list(struct zyd_softc *sc)
520{
521 struct zyd_tx_data *data;
522 int i;
523
524 sc->tx_nfree = 0;
525 STAILQ_INIT(&sc->tx_q);
526 STAILQ_INIT(&sc->tx_free);
527
528 for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
529 data = &sc->tx_data[i];
530
531 data->sc = sc;
532 STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
533 sc->tx_nfree++;
534 }
535}
536
537static void
538zyd_unsetup_tx_list(struct zyd_softc *sc)
539{
540 struct zyd_tx_data *data;
541 int i;
542
543 /* make sure any subsequent use of the queues will fail */
544 sc->tx_nfree = 0;
545 STAILQ_INIT(&sc->tx_q);
546 STAILQ_INIT(&sc->tx_free);
547
548 /* free up all node references and mbufs */
549 for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
550 data = &sc->tx_data[i];
551
552 if (data->m != NULL) {
553 m_freem(data->m);
554 data->m = NULL;
555 }
556 if (data->ni != NULL) {
557 ieee80211_free_node(data->ni);
558 data->ni = NULL;
559 }
560 }
561}
562
563static int
564zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
565{
566 struct zyd_vap *zvp = ZYD_VAP(vap);
567 struct ieee80211com *ic = vap->iv_ic;
568 struct zyd_softc *sc = ic->ic_ifp->if_softc;
569 int error;
570
571 DPRINTF(sc, ZYD_DEBUG_STATE, "%s: %s -> %s\n", __func__,
572 ieee80211_state_name[vap->iv_state],
573 ieee80211_state_name[nstate]);
574
575 IEEE80211_UNLOCK(ic);
576 ZYD_LOCK(sc);
577 switch (nstate) {
578 case IEEE80211_S_AUTH:
579 zyd_set_chan(sc, ic->ic_curchan);
580 break;
581 case IEEE80211_S_RUN:
582 if (vap->iv_opmode == IEEE80211_M_MONITOR)
583 break;
584
585 /* turn link LED on */
586 error = zyd_set_led(sc, ZYD_LED1, 1);
587 if (error != 0)
588 break;
589
590 /* make data LED blink upon Tx */
591 zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1);
592
593 IEEE80211_ADDR_COPY(sc->sc_bssid, vap->iv_bss->ni_bssid);
594 zyd_set_bssid(sc, sc->sc_bssid);
595 break;
596 default:
597 break;
598 }
599fail:
600 ZYD_UNLOCK(sc);
601 IEEE80211_LOCK(ic);
602 return (zvp->newstate(vap, nstate, arg));
603}
604
605/*
606 * Callback handler for interrupt transfer
607 */
608static void
609zyd_intr_read_callback(struct usb_xfer *xfer, usb_error_t error)
610{
611 struct zyd_softc *sc = usbd_xfer_softc(xfer);
612 struct ifnet *ifp = sc->sc_ifp;
613 struct ieee80211com *ic = ifp->if_l2com;
614 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
615 struct ieee80211_node *ni;
616 struct zyd_cmd *cmd = &sc->sc_ibuf;
617 struct usb_page_cache *pc;
618 int datalen;
619 int actlen;
23abaded 620 char hexstr[HEX_NCPYLEN(64)];
12bd3c8b
SW		 621
622 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
623
624 switch (USB_GET_STATE(xfer)) {
625 case USB_ST_TRANSFERRED:
626 pc = usbd_xfer_get_frame(xfer, 0);
627 usbd_copy_out(pc, 0, cmd, sizeof(*cmd));
628
629 switch (le16toh(cmd->code)) {
630 case ZYD_NOTIF_RETRYSTATUS:
631 {
632 struct zyd_notif_retry *retry =
633 (struct zyd_notif_retry *)cmd->data;
634
635 DPRINTF(sc, ZYD_DEBUG_TX_PROC,
636 "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n",
637 le16toh(retry->rate), ether_sprintf(retry->macaddr),
638 le16toh(retry->count)&0xff, le16toh(retry->count));
639
640 /*
641 * Find the node to which the packet was sent and
642 * update its retry statistics. In BSS mode, this node
643 * is the AP we're associated to so no lookup is
644 * actually needed.
645 */
646 ni = ieee80211_find_txnode(vap, retry->macaddr);
647 if (ni != NULL) {
648 int retrycnt =
649 (int)(le16toh(retry->count) & 0xff);
650
651 ieee80211_ratectl_tx_complete(vap, ni,
652 IEEE80211_RATECTL_TX_FAILURE,
653 &retrycnt, NULL);
654 ieee80211_free_node(ni);
655 }
656 if (le16toh(retry->count) & 0x100)
657 ifp->if_oerrors++; /* too many retries */
658 break;
659 }
660 case ZYD_NOTIF_IORD:
661 {
662 struct zyd_rq *rqp;
663
664 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT)
665 break; /* HMAC interrupt */
666
667 datalen = actlen - sizeof(cmd->code);
668 datalen -= 2; /* XXX: padding? */
669
670 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) {
671 int i, cnt;
672
673 if (rqp->olen != datalen)
674 continue;
675 cnt = rqp->olen / sizeof(struct zyd_pair);
676 for (i = 0; i < cnt; i++) {
677 if (*(((const uint16_t *)rqp->idata) + i) !=
678 (((struct zyd_pair *)cmd->data) + i)->reg)
679 break;
680 }
681 if (i != cnt)
682 continue;
683 /* copy answer into caller-supplied buffer */
684 memcpy(rqp->odata, cmd->data, rqp->olen);
685 DPRINTF(sc, ZYD_DEBUG_CMD,
23abaded
AHJ		 686 "command %p complete, data = %s \n",
687 rqp, hexncpy(rqp->odata, rqp->olen, hexstr,
688 HEX_NCPYLEN(rqp->olen), ":"));
12bd3c8b
SW		 689 wakeup(rqp); /* wakeup caller */
690 break;
691 }
692 if (rqp == NULL) {
693 device_printf(sc->sc_dev,
23abaded
AHJ		 694 "unexpected IORD notification %s\n",
695 hexncpy(cmd->data, datalen, hexstr,
696 HEX_NCPYLEN(datalen), ":"));
12bd3c8b
SW		 697 }
698 break;
699 }
700 default:
701 device_printf(sc->sc_dev, "unknown notification %x\n",
702 le16toh(cmd->code));
703 }
704
705 /* FALLTHROUGH */
706 case USB_ST_SETUP:
707tr_setup:
708 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
709 usbd_transfer_submit(xfer);
710 break;
711
712 default: /* Error */
713 DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n",
714 usbd_errstr(error));
715
716 if (error != USB_ERR_CANCELLED) {
717 /* try to clear stall first */
718 usbd_xfer_set_stall(xfer);
719 goto tr_setup;
720 }
721 break;
722 }
723}
724
725static void
726zyd_intr_write_callback(struct usb_xfer *xfer, usb_error_t error)
727{
728 struct zyd_softc *sc = usbd_xfer_softc(xfer);
729 struct zyd_rq *rqp, *cmd;
730 struct usb_page_cache *pc;
731
732 switch (USB_GET_STATE(xfer)) {
733 case USB_ST_TRANSFERRED:
734 cmd = usbd_xfer_get_priv(xfer);
735 DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", cmd);
736 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) {
737 /* Ensure the cached rq pointer is still valid */
738 if (rqp == cmd &&
739 (rqp->flags & ZYD_CMD_FLAG_READ) == 0)
740 wakeup(rqp); /* wakeup caller */
741 }
742
743 /* FALLTHROUGH */
744 case USB_ST_SETUP:
745tr_setup:
746 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) {
747 if (rqp->flags & ZYD_CMD_FLAG_SENT)
748 continue;
749
750 pc = usbd_xfer_get_frame(xfer, 0);
751 usbd_copy_in(pc, 0, rqp->cmd, rqp->ilen);
752
753 usbd_xfer_set_frame_len(xfer, 0, rqp->ilen);
754 usbd_xfer_set_priv(xfer, rqp);
755 rqp->flags |= ZYD_CMD_FLAG_SENT;
756 usbd_transfer_submit(xfer);
757 break;
758 }
759 break;
760
761 default: /* Error */
762 DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n",
763 usbd_errstr(error));
764
765 if (error != USB_ERR_CANCELLED) {
766 /* try to clear stall first */
767 usbd_xfer_set_stall(xfer);
768 goto tr_setup;
769 }
770 break;
771 }
772}
773
774static int
775zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen,
776 void *odata, int olen, int flags)
777{
778 struct zyd_cmd cmd;
779 struct zyd_rq rq;
780 int error;
23abaded
AHJ		 781#ifdef USB_DEBUG
782 char hexstr[HEX_NCPYLEN(64)];
783#endif
12bd3c8b
SW		 784
785 if (ilen > sizeof(cmd.data))
786 return (EINVAL);
787
788 cmd.code = htole16(code);
789 memcpy(cmd.data, idata, ilen);
23abaded
AHJ		 790 DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %s\n", &rq,
791 hexncpy(idata, ilen, hexstr, HEX_NCPYLEN(ilen), ":"));
12bd3c8b
SW		 792
793 rq.cmd = &cmd;
794 rq.idata = idata;
795 rq.odata = odata;
796 rq.ilen = sizeof(uint16_t) + ilen;
797 rq.olen = olen;
798 rq.flags = flags;
799 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq);
800 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]);
801 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_WR]);
802
803 /* wait at most one second for command reply */
804 error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz);
805 if (error)
806 device_printf(sc->sc_dev, "command timeout\n");
807 STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq);
808 DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n",
809 &rq, error);
810
811 return (error);
812}
813
814static int
815zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val)
816{
817 struct zyd_pair tmp;
818 int error;
819
820 reg = htole16(reg);
821 error = zyd_cmd(sc, ZYD_CMD_IORD, &reg, sizeof(reg), &tmp, sizeof(tmp),
822 ZYD_CMD_FLAG_READ);
823 if (error == 0)
824 *val = le16toh(tmp.val);
825 return (error);
826}
827
828static int
829zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val)
830{
831 struct zyd_pair tmp[2];
832 uint16_t regs[2];
833 int error;
834
835 regs[0] = htole16(ZYD_REG32_HI(reg));
836 regs[1] = htole16(ZYD_REG32_LO(reg));
837 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp),
838 ZYD_CMD_FLAG_READ);
839 if (error == 0)
840 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val);
841 return (error);
842}
843
844static int
845zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val)
846{
847 struct zyd_pair pair;
848
849 pair.reg = htole16(reg);
850 pair.val = htole16(val);
851
852 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0);
853}
854
855static int
856zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val)
857{
858 struct zyd_pair pair[2];
859
860 pair[0].reg = htole16(ZYD_REG32_HI(reg));
861 pair[0].val = htole16(val >> 16);
862 pair[1].reg = htole16(ZYD_REG32_LO(reg));
863 pair[1].val = htole16(val & 0xffff);
864
865 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0);
866}
867
868static int
869zyd_rfwrite(struct zyd_softc *sc, uint32_t val)
870{
871 struct zyd_rf *rf = &sc->sc_rf;
872 struct zyd_rfwrite_cmd req;
873 uint16_t cr203;
874 int error, i;
875
876 zyd_read16_m(sc, ZYD_CR203, &cr203);
877 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA);
878
879 req.code = htole16(2);
880 req.width = htole16(rf->width);
881 for (i = 0; i < rf->width; i++) {
882 req.bit[i] = htole16(cr203);
883 if (val & (1 << (rf->width - 1 - i)))
884 req.bit[i] |= htole16(ZYD_RF_DATA);
885 }
886 error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0);
887fail:
888 return (error);
889}
890
891static int
892zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val)
893{
894 int error;
895
896 zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff);
897 zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff);
898 zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff);
899fail:
900 return (error);
901}
902
903static int
904zyd_lock_phy(struct zyd_softc *sc)
905{
906 int error;
907 uint32_t tmp;
908
909 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp);
910 tmp &= ~ZYD_UNLOCK_PHY_REGS;
911 zyd_write32_m(sc, ZYD_MAC_MISC, tmp);
912fail:
913 return (error);
914}
915
916static int
917zyd_unlock_phy(struct zyd_softc *sc)
918{
919 int error;
920 uint32_t tmp;
921
922 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp);
923 tmp |= ZYD_UNLOCK_PHY_REGS;
924 zyd_write32_m(sc, ZYD_MAC_MISC, tmp);
925fail:
926 return (error);
927}
928
929/*
930 * RFMD RF methods.
931 */
932static int
933zyd_rfmd_init(struct zyd_rf *rf)
934{
935#define N(a) (sizeof(a) / sizeof((a)[0]))
936 struct zyd_softc *sc = rf->rf_sc;
937 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY;
938 static const uint32_t rfini[] = ZYD_RFMD_RF;
939 int i, error;
940
941 /* init RF-dependent PHY registers */
942 for (i = 0; i < N(phyini); i++) {
943 zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
944 }
945
946 /* init RFMD radio */
947 for (i = 0; i < N(rfini); i++) {
948 if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
949 return (error);
950 }
951fail:
952 return (error);
953#undef N
954}
955
956static int
957zyd_rfmd_switch_radio(struct zyd_rf *rf, int on)
958{
959 int error;
960 struct zyd_softc *sc = rf->rf_sc;
961
962 zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15);
963 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81);
964fail:
965 return (error);
966}
967
968static int
969zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan)
970{
971 int error;
972 struct zyd_softc *sc = rf->rf_sc;
973 static const struct {
974 uint32_t r1, r2;
975 } rfprog[] = ZYD_RFMD_CHANTABLE;
976
977 error = zyd_rfwrite(sc, rfprog[chan - 1].r1);
978 if (error != 0)
979 goto fail;
980 error = zyd_rfwrite(sc, rfprog[chan - 1].r2);
981 if (error != 0)
982 goto fail;
983
984fail:
985 return (error);
986}
987
988/*
989 * AL2230 RF methods.
990 */
991static int
992zyd_al2230_init(struct zyd_rf *rf)
993{
994#define N(a) (sizeof(a) / sizeof((a)[0]))
995 struct zyd_softc *sc = rf->rf_sc;
996 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY;
997 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT;
998 static const struct zyd_phy_pair phypll[] = {
999 { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f },
1000 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }
1001 };
1002 static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1;
1003 static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2;
1004 static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3;
1005 int i, error;
1006
1007 /* init RF-dependent PHY registers */
1008 for (i = 0; i < N(phyini); i++)
1009 zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
1010
1011 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) {
1012 for (i = 0; i < N(phy2230s); i++)
1013 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val);
1014 }
1015
1016 /* init AL2230 radio */
1017 for (i = 0; i < N(rfini1); i++) {
1018 error = zyd_rfwrite(sc, rfini1[i]);
1019 if (error != 0)
1020 goto fail;
1021 }
1022
1023 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0)
1024 error = zyd_rfwrite(sc, 0x000824);
1025 else
1026 error = zyd_rfwrite(sc, 0x0005a4);
1027 if (error != 0)
1028 goto fail;
1029
1030 for (i = 0; i < N(rfini2); i++) {
1031 error = zyd_rfwrite(sc, rfini2[i]);
1032 if (error != 0)
1033 goto fail;
1034 }
1035
1036 for (i = 0; i < N(phypll); i++)
1037 zyd_write16_m(sc, phypll[i].reg, phypll[i].val);
1038
1039 for (i = 0; i < N(rfini3); i++) {
1040 error = zyd_rfwrite(sc, rfini3[i]);
1041 if (error != 0)
1042 goto fail;
1043 }
1044fail:
1045 return (error);
1046#undef N
1047}
1048
1049static int
1050zyd_al2230_fini(struct zyd_rf *rf)
1051{
1052#define N(a) (sizeof(a) / sizeof((a)[0]))
1053 int error, i;
1054 struct zyd_softc *sc = rf->rf_sc;
1055 static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1;
1056
1057 for (i = 0; i < N(phy); i++)
1058 zyd_write16_m(sc, phy[i].reg, phy[i].val);
1059
1060 if (sc->sc_newphy != 0)
1061 zyd_write16_m(sc, ZYD_CR9, 0xe1);
1062
1063 zyd_write16_m(sc, ZYD_CR203, 0x6);
1064fail:
1065 return (error);
1066#undef N
1067}
1068
1069static int
1070zyd_al2230_init_b(struct zyd_rf *rf)
1071{
1072#define N(a) (sizeof(a) / sizeof((a)[0]))
1073 struct zyd_softc *sc = rf->rf_sc;
1074 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1;
1075 static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2;
1076 static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3;
1077 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT;
1078 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B;
1079 static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1;
1080 static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2;
1081 static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3;
1082 static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE;
1083 int i, error;
1084
1085 for (i = 0; i < N(phy1); i++)
1086 zyd_write16_m(sc, phy1[i].reg, phy1[i].val);
1087
1088 /* init RF-dependent PHY registers */
1089 for (i = 0; i < N(phyini); i++)
1090 zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
1091
1092 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) {
1093 for (i = 0; i < N(phy2230s); i++)
1094 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val);
1095 }
1096
1097 for (i = 0; i < 3; i++) {
1098 error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]);
1099 if (error != 0)
1100 return (error);
1101 }
1102
1103 for (i = 0; i < N(rfini_part1); i++) {
1104 error = zyd_rfwrite_cr(sc, rfini_part1[i]);
1105 if (error != 0)
1106 return (error);
1107 }
1108
1109 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0)
1110 error = zyd_rfwrite(sc, 0x241000);
1111 else
1112 error = zyd_rfwrite(sc, 0x25a000);
1113 if (error != 0)
1114 goto fail;
1115
1116 for (i = 0; i < N(rfini_part2); i++) {
1117 error = zyd_rfwrite_cr(sc, rfini_part2[i]);
1118 if (error != 0)
1119 return (error);
1120 }
1121
1122 for (i = 0; i < N(phy2); i++)
1123 zyd_write16_m(sc, phy2[i].reg, phy2[i].val);
1124
1125 for (i = 0; i < N(rfini_part3); i++) {
1126 error = zyd_rfwrite_cr(sc, rfini_part3[i]);
1127 if (error != 0)
1128 return (error);
1129 }
1130
1131 for (i = 0; i < N(phy3); i++)
1132 zyd_write16_m(sc, phy3[i].reg, phy3[i].val);
1133
1134 error = zyd_al2230_fini(rf);
1135fail:
1136 return (error);
1137#undef N
1138}
1139
1140static int
1141zyd_al2230_switch_radio(struct zyd_rf *rf, int on)
1142{
1143 struct zyd_softc *sc = rf->rf_sc;
1144 int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f;
1145
1146 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04);
1147 zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f);
1148fail:
1149 return (error);
1150}
1151
1152static int
1153zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan)
1154{
1155#define N(a) (sizeof(a) / sizeof((a)[0]))
1156 int error, i;
1157 struct zyd_softc *sc = rf->rf_sc;
1158 static const struct zyd_phy_pair phy1[] = {
1159 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 },
1160 };
1161 static const struct {
1162 uint32_t r1, r2, r3;
1163 } rfprog[] = ZYD_AL2230_CHANTABLE;
1164
1165 error = zyd_rfwrite(sc, rfprog[chan - 1].r1);
1166 if (error != 0)
1167 goto fail;
1168 error = zyd_rfwrite(sc, rfprog[chan - 1].r2);
1169 if (error != 0)
1170 goto fail;
1171 error = zyd_rfwrite(sc, rfprog[chan - 1].r3);
1172 if (error != 0)
1173 goto fail;
1174
1175 for (i = 0; i < N(phy1); i++)
1176 zyd_write16_m(sc, phy1[i].reg, phy1[i].val);
1177fail:
1178 return (error);
1179#undef N
1180}
1181
1182static int
1183zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan)
1184{
1185#define N(a) (sizeof(a) / sizeof((a)[0]))
1186 int error, i;
1187 struct zyd_softc *sc = rf->rf_sc;
1188 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1;
1189 static const struct {
1190 uint32_t r1, r2, r3;
1191 } rfprog[] = ZYD_AL2230_CHANTABLE_B;
1192
1193 for (i = 0; i < N(phy1); i++)
1194 zyd_write16_m(sc, phy1[i].reg, phy1[i].val);
1195
1196 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r1);
1197 if (error != 0)
1198 goto fail;
1199 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r2);
1200 if (error != 0)
1201 goto fail;
1202 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r3);
1203 if (error != 0)
1204 goto fail;
1205 error = zyd_al2230_fini(rf);
1206fail:
1207 return (error);
1208#undef N
1209}
1210
1211#define ZYD_AL2230_PHY_BANDEDGE6 \
1212{ \
1213 { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \
1214 { ZYD_CR47, 0x1e } \
1215}
1216
1217static int
1218zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c)
1219{
1220#define N(a) (sizeof(a) / sizeof((a)[0]))
1221 int error = 0, i;
1222 struct zyd_softc *sc = rf->rf_sc;
1223 struct ifnet *ifp = sc->sc_ifp;
1224 struct ieee80211com *ic = ifp->if_l2com;
1225 struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6;
1226 int chan = ieee80211_chan2ieee(ic, c);
1227
1228 if (chan == 1 || chan == 11)
1229 r[0].val = 0x12;
1230
1231 for (i = 0; i < N(r); i++)
1232 zyd_write16_m(sc, r[i].reg, r[i].val);
1233fail:
1234 return (error);
1235#undef N
1236}
1237
1238/*
1239 * AL7230B RF methods.
1240 */
1241static int
1242zyd_al7230B_init(struct zyd_rf *rf)
1243{
1244#define N(a) (sizeof(a) / sizeof((a)[0]))
1245 struct zyd_softc *sc = rf->rf_sc;
1246 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1;
1247 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2;
1248 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3;
1249 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1;
1250 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2;
1251 int i, error;
1252
1253 /* for AL7230B, PHY and RF need to be initialized in "phases" */
1254
1255 /* init RF-dependent PHY registers, part one */
1256 for (i = 0; i < N(phyini_1); i++)
1257 zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val);
1258
1259 /* init AL7230B radio, part one */
1260 for (i = 0; i < N(rfini_1); i++) {
1261 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0)
1262 return (error);
1263 }
1264 /* init RF-dependent PHY registers, part two */
1265 for (i = 0; i < N(phyini_2); i++)
1266 zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val);
1267
1268 /* init AL7230B radio, part two */
1269 for (i = 0; i < N(rfini_2); i++) {
1270 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0)
1271 return (error);
1272 }
1273 /* init RF-dependent PHY registers, part three */
1274 for (i = 0; i < N(phyini_3); i++)
1275 zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val);
1276fail:
1277 return (error);
1278#undef N
1279}
1280
1281static int
1282zyd_al7230B_switch_radio(struct zyd_rf *rf, int on)
1283{
1284 int error;
1285 struct zyd_softc *sc = rf->rf_sc;
1286
1287 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04);
1288 zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f);
1289fail:
1290 return (error);
1291}
1292
1293static int
1294zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan)
1295{
1296#define N(a) (sizeof(a) / sizeof((a)[0]))
1297 struct zyd_softc *sc = rf->rf_sc;
1298 static const struct {
1299 uint32_t r1, r2;
1300 } rfprog[] = ZYD_AL7230B_CHANTABLE;
1301 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL;
1302 int i, error;
1303
1304 zyd_write16_m(sc, ZYD_CR240, 0x57);
1305 zyd_write16_m(sc, ZYD_CR251, 0x2f);
1306
1307 for (i = 0; i < N(rfsc); i++) {
1308 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0)
1309 return (error);
1310 }
1311
1312 zyd_write16_m(sc, ZYD_CR128, 0x14);
1313 zyd_write16_m(sc, ZYD_CR129, 0x12);
1314 zyd_write16_m(sc, ZYD_CR130, 0x10);
1315 zyd_write16_m(sc, ZYD_CR38, 0x38);
1316 zyd_write16_m(sc, ZYD_CR136, 0xdf);
1317
1318 error = zyd_rfwrite(sc, rfprog[chan - 1].r1);
1319 if (error != 0)
1320 goto fail;
1321 error = zyd_rfwrite(sc, rfprog[chan - 1].r2);
1322 if (error != 0)
1323 goto fail;
1324 error = zyd_rfwrite(sc, 0x3c9000);
1325 if (error != 0)
1326 goto fail;
1327
1328 zyd_write16_m(sc, ZYD_CR251, 0x3f);
1329 zyd_write16_m(sc, ZYD_CR203, 0x06);
1330 zyd_write16_m(sc, ZYD_CR240, 0x08);
1331fail:
1332 return (error);
1333#undef N
1334}
1335
1336/*
1337 * AL2210 RF methods.
1338 */
1339static int
1340zyd_al2210_init(struct zyd_rf *rf)
1341{
1342#define N(a) (sizeof(a) / sizeof((a)[0]))
1343 struct zyd_softc *sc = rf->rf_sc;
1344 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY;
1345 static const uint32_t rfini[] = ZYD_AL2210_RF;
1346 uint32_t tmp;
1347 int i, error;
1348
1349 zyd_write32_m(sc, ZYD_CR18, 2);
1350
1351 /* init RF-dependent PHY registers */
1352 for (i = 0; i < N(phyini); i++)
1353 zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
1354
1355 /* init AL2210 radio */
1356 for (i = 0; i < N(rfini); i++) {
1357 if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1358 return (error);
1359 }
1360 zyd_write16_m(sc, ZYD_CR47, 0x1e);
1361 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp);
1362 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1);
1363 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1);
1364 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05);
1365 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00);
1366 zyd_write16_m(sc, ZYD_CR47, 0x1e);
1367 zyd_write32_m(sc, ZYD_CR18, 3);
1368fail:
1369 return (error);
1370#undef N
1371}
1372
1373static int
1374zyd_al2210_switch_radio(struct zyd_rf *rf, int on)
1375{
1376 /* vendor driver does nothing for this RF chip */
1377
1378 return (0);
1379}
1380
1381static int
1382zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan)
1383{
1384 int error;
1385 struct zyd_softc *sc = rf->rf_sc;
1386 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE;
1387 uint32_t tmp;
1388
1389 zyd_write32_m(sc, ZYD_CR18, 2);
1390 zyd_write16_m(sc, ZYD_CR47, 0x1e);
1391 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp);
1392 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1);
1393 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1);
1394 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05);
1395 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00);
1396 zyd_write16_m(sc, ZYD_CR47, 0x1e);
1397
1398 /* actually set the channel */
1399 error = zyd_rfwrite(sc, rfprog[chan - 1]);
1400 if (error != 0)
1401 goto fail;
1402
1403 zyd_write32_m(sc, ZYD_CR18, 3);
1404fail:
1405 return (error);
1406}
1407
1408/*
1409 * GCT RF methods.
1410 */
1411static int
1412zyd_gct_init(struct zyd_rf *rf)
1413{
1414#define ZYD_GCT_INTR_REG 0x85c1
1415#define N(a) (sizeof(a) / sizeof((a)[0]))
1416 struct zyd_softc *sc = rf->rf_sc;
1417 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY;
1418 static const uint32_t rfini[] = ZYD_GCT_RF;
1419 static const uint16_t vco[11][7] = ZYD_GCT_VCO;
1420 int i, idx = -1, error;
1421 uint16_t data;
1422
1423 /* init RF-dependent PHY registers */
1424 for (i = 0; i < N(phyini); i++)
1425 zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
1426
1427 /* init cgt radio */
1428 for (i = 0; i < N(rfini); i++) {
1429 if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1430 return (error);
1431 }
1432
1433 error = zyd_gct_mode(rf);
1434 if (error != 0)
1435 return (error);
1436
1437 for (i = 0; i < N(vco) - 1; i++) {
1438 error = zyd_gct_set_channel_synth(rf, 1, 0);
1439 if (error != 0)
1440 goto fail;
1441 error = zyd_gct_write(rf, vco[i][0]);
1442 if (error != 0)
1443 goto fail;
1444 zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf);
1445 zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data);
1446 if ((data & 0xf) == 0) {
1447 idx = i;
1448 break;
1449 }
1450 }
1451 if (idx == -1) {
1452 error = zyd_gct_set_channel_synth(rf, 1, 1);
1453 if (error != 0)
1454 goto fail;
1455 error = zyd_gct_write(rf, 0x6662);
1456 if (error != 0)
1457 goto fail;
1458 }
1459
1460 rf->idx = idx;
1461 zyd_write16_m(sc, ZYD_CR203, 0x6);
1462fail:
1463 return (error);
1464#undef N
1465#undef ZYD_GCT_INTR_REG
1466}
1467
1468static int
1469zyd_gct_mode(struct zyd_rf *rf)
1470{
1471#define N(a) (sizeof(a) / sizeof((a)[0]))
1472 struct zyd_softc *sc = rf->rf_sc;
1473 static const uint32_t mode[] = {
1474 0x25f98, 0x25f9a, 0x25f94, 0x27fd4
1475 };
1476 int i, error;
1477
1478 for (i = 0; i < N(mode); i++) {
1479 if ((error = zyd_rfwrite(sc, mode[i])) != 0)
1480 break;
1481 }
1482 return (error);
1483#undef N
1484}
1485
1486static int
1487zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal)
1488{
1489 int error, idx = chan - 1;
1490 struct zyd_softc *sc = rf->rf_sc;
1491 static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL;
1492 static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD;
1493 static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV;
1494
1495 error = zyd_rfwrite(sc,
1496 (acal == 1) ? acal_synth[idx] : std_synth[idx]);
1497 if (error != 0)
1498 return (error);
1499 return zyd_rfwrite(sc, div_synth[idx]);
1500}
1501
1502static int
1503zyd_gct_write(struct zyd_rf *rf, uint16_t value)
1504{
1505 struct zyd_softc *sc = rf->rf_sc;
1506
1507 return zyd_rfwrite(sc, 0x300000 | 0x40000 | value);
1508}
1509
1510static int
1511zyd_gct_switch_radio(struct zyd_rf *rf, int on)
1512{
1513#define N(a) (sizeof(a) / sizeof((a)[0]))
1514 int error;
1515 struct zyd_softc *sc = rf->rf_sc;
1516
1517 error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90);
1518 if (error != 0)
1519 return (error);
1520
1521 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04);
1522 zyd_write16_m(sc, ZYD_CR251,
1523 on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f);
1524fail:
1525 return (error);
1526}
1527
1528static int
1529zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan)
1530{
1531#define N(a) (sizeof(a) / sizeof((a)[0]))
1532 int error, i;
1533 struct zyd_softc *sc = rf->rf_sc;
1534 static const struct zyd_phy_pair cmd[] = {
1535 { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 },
1536 { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 },
1537 };
1538 static const uint16_t vco[11][7] = ZYD_GCT_VCO;
1539
1540 error = zyd_gct_set_channel_synth(rf, chan, 0);
1541 if (error != 0)
1542 goto fail;
1543 error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 :
1544 vco[rf->idx][((chan - 1) / 2)]);
1545 if (error != 0)
1546 goto fail;
1547 error = zyd_gct_mode(rf);
1548 if (error != 0)
1549 return (error);
1550 for (i = 0; i < N(cmd); i++)
1551 zyd_write16_m(sc, cmd[i].reg, cmd[i].val);
1552 error = zyd_gct_txgain(rf, chan);
1553 if (error != 0)
1554 return (error);
1555 zyd_write16_m(sc, ZYD_CR203, 0x6);
1556fail:
1557 return (error);
1558#undef N
1559}
1560
1561static int
1562zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan)
1563{
1564#define N(a) (sizeof(a) / sizeof((a)[0]))
1565 struct zyd_softc *sc = rf->rf_sc;
1566 static uint32_t txgain[] = ZYD_GCT_TXGAIN;
1567 uint8_t idx = sc->sc_pwrint[chan - 1];
1568
1569 if (idx >= N(txgain)) {
1570 device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n",
1571 chan, idx);
1572 return 0;
1573 }
1574
1575 return zyd_rfwrite(sc, 0x700000 | txgain[idx]);
1576#undef N
1577}
1578
1579/*
1580 * Maxim2 RF methods.
1581 */
1582static int
1583zyd_maxim2_init(struct zyd_rf *rf)
1584{
1585#define N(a) (sizeof(a) / sizeof((a)[0]))
1586 struct zyd_softc *sc = rf->rf_sc;
1587 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
1588 static const uint32_t rfini[] = ZYD_MAXIM2_RF;
1589 uint16_t tmp;
1590 int i, error;
1591
1592 /* init RF-dependent PHY registers */
1593 for (i = 0; i < N(phyini); i++)
1594 zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
1595
1596 zyd_read16_m(sc, ZYD_CR203, &tmp);
1597 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4));
1598
1599 /* init maxim2 radio */
1600 for (i = 0; i < N(rfini); i++) {
1601 if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1602 return (error);
1603 }
1604 zyd_read16_m(sc, ZYD_CR203, &tmp);
1605 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4));
1606fail:
1607 return (error);
1608#undef N
1609}
1610
1611static int
1612zyd_maxim2_switch_radio(struct zyd_rf *rf, int on)
1613{
1614
1615 /* vendor driver does nothing for this RF chip */
1616 return (0);
1617}
1618
1619static int
1620zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan)
1621{
1622#define N(a) (sizeof(a) / sizeof((a)[0]))
1623 struct zyd_softc *sc = rf->rf_sc;
1624 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
1625 static const uint32_t rfini[] = ZYD_MAXIM2_RF;
1626 static const struct {
1627 uint32_t r1, r2;
1628 } rfprog[] = ZYD_MAXIM2_CHANTABLE;
1629 uint16_t tmp;
1630 int i, error;
1631
1632 /*
1633 * Do the same as we do when initializing it, except for the channel
1634 * values coming from the two channel tables.
1635 */
1636
1637 /* init RF-dependent PHY registers */
1638 for (i = 0; i < N(phyini); i++)
1639 zyd_write16_m(sc, phyini[i].reg, phyini[i].val);
1640
1641 zyd_read16_m(sc, ZYD_CR203, &tmp);
1642 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4));
1643
1644 /* first two values taken from the chantables */
1645 error = zyd_rfwrite(sc, rfprog[chan - 1].r1);
1646 if (error != 0)
1647 goto fail;
1648 error = zyd_rfwrite(sc, rfprog[chan - 1].r2);
1649 if (error != 0)
1650 goto fail;
1651
1652 /* init maxim2 radio - skipping the two first values */
1653 for (i = 2; i < N(rfini); i++) {
1654 if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1655 return (error);
1656 }
1657 zyd_read16_m(sc, ZYD_CR203, &tmp);
1658 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4));
1659fail:
1660 return (error);
1661#undef N
1662}
1663
1664static int
1665zyd_rf_attach(struct zyd_softc *sc, uint8_t type)
1666{
1667 struct zyd_rf *rf = &sc->sc_rf;
1668
1669 rf->rf_sc = sc;
1670 rf->update_pwr = 1;
1671
1672 switch (type) {
1673 case ZYD_RF_RFMD:
1674 rf->init = zyd_rfmd_init;
1675 rf->switch_radio = zyd_rfmd_switch_radio;
1676 rf->set_channel = zyd_rfmd_set_channel;
1677 rf->width = 24; /* 24-bit RF values */
1678 break;
1679 case ZYD_RF_AL2230:
1680 case ZYD_RF_AL2230S:
1681 if (sc->sc_macrev == ZYD_ZD1211B) {
1682 rf->init = zyd_al2230_init_b;
1683 rf->set_channel = zyd_al2230_set_channel_b;
1684 } else {
1685 rf->init = zyd_al2230_init;
1686 rf->set_channel = zyd_al2230_set_channel;
1687 }
1688 rf->switch_radio = zyd_al2230_switch_radio;
1689 rf->bandedge6 = zyd_al2230_bandedge6;
1690 rf->width = 24; /* 24-bit RF values */
1691 break;
1692 case ZYD_RF_AL7230B:
1693 rf->init = zyd_al7230B_init;
1694 rf->switch_radio = zyd_al7230B_switch_radio;
1695 rf->set_channel = zyd_al7230B_set_channel;
1696 rf->width = 24; /* 24-bit RF values */
1697 break;
1698 case ZYD_RF_AL2210:
1699 rf->init = zyd_al2210_init;
1700 rf->switch_radio = zyd_al2210_switch_radio;
1701 rf->set_channel = zyd_al2210_set_channel;
1702 rf->width = 24; /* 24-bit RF values */
1703 break;
1704 case ZYD_RF_MAXIM_NEW:
1705 case ZYD_RF_GCT:
1706 rf->init = zyd_gct_init;
1707 rf->switch_radio = zyd_gct_switch_radio;
1708 rf->set_channel = zyd_gct_set_channel;
1709 rf->width = 24; /* 24-bit RF values */
1710 rf->update_pwr = 0;
1711 break;
1712 case ZYD_RF_MAXIM_NEW2:
1713 rf->init = zyd_maxim2_init;
1714 rf->switch_radio = zyd_maxim2_switch_radio;
1715 rf->set_channel = zyd_maxim2_set_channel;
1716 rf->width = 18; /* 18-bit RF values */
1717 break;
1718 default:
1719 device_printf(sc->sc_dev,
1720 "sorry, radio \"%s\" is not supported yet\n",
1721 zyd_rf_name(type));
1722 return (EINVAL);
1723 }
1724 return (0);
1725}
1726
1727static const char *
1728zyd_rf_name(uint8_t type)
1729{
1730 static const char * const zyd_rfs[] = {
1731 "unknown", "unknown", "UW2451", "UCHIP", "AL2230",
1732 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT",
1733 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2",
1734 "PHILIPS"
1735 };
1736
1737 return zyd_rfs[(type > 15) ? 0 : type];
1738}
1739
1740static int
1741zyd_hw_init(struct zyd_softc *sc)
1742{
1743 int error;
1744 const struct zyd_phy_pair *phyp;
1745 struct zyd_rf *rf = &sc->sc_rf;
1746 uint16_t val;
1747
1748 /* specify that the plug and play is finished */
1749 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1);
1750 zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase);
1751 DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n",
1752 sc->sc_fwbase);
1753
1754 /* retrieve firmware revision number */
1755 zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev);
1756 zyd_write32_m(sc, ZYD_CR_GPI_EN, 0);
1757 zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f);
1758 /* set mandatory rates - XXX assumes 802.11b/g */
1759 zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f);
1760
1761 /* disable interrupts */
1762 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0);
1763
1764 if ((error = zyd_read_pod(sc)) != 0) {
1765 device_printf(sc->sc_dev, "could not read EEPROM\n");
1766 goto fail;
1767 }
1768
1769 /* PHY init (resetting) */
1770 error = zyd_lock_phy(sc);
1771 if (error != 0)
1772 goto fail;
1773 phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy;
1774 for (; phyp->reg != 0; phyp++)
1775 zyd_write16_m(sc, phyp->reg, phyp->val);
1776 if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) {
1777 zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val);
1778 zyd_write32_m(sc, ZYD_CR157, val >> 8);
1779 }
1780 error = zyd_unlock_phy(sc);
1781 if (error != 0)
1782 goto fail;
1783
1784 /* HMAC init */
1785 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020);
1786 zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808);
1787 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000);
1788 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000);
1789 zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000);
1790 zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000);
1791 zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4);
1792 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f);
1793 zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401);
1794 zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000);
1795 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080);
1796 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000);
1797 zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100);
1798 zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070);
1799 zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000);
1800 zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203);
1801 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1);
1802 zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114);
1803 zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032);
1804 zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3);
1805
1806 if (sc->sc_macrev == ZYD_ZD1211) {
1807 zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002);
1808 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640);
1809 } else {
1810 zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202);
1811 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f);
1812 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f);
1813 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f);
1814 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f);
1815 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028);
1816 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C);
1817 zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824);
1818 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff);
1819 }
1820
1821 /* init beacon interval to 100ms */
1822 if ((error = zyd_set_beacon_interval(sc, 100)) != 0)
1823 goto fail;
1824
1825 if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) {
1826 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n",
1827 sc->sc_rfrev);
1828 goto fail;
1829 }
1830
1831 /* RF chip init */
1832 error = zyd_lock_phy(sc);
1833 if (error != 0)
1834 goto fail;
1835 error = (*rf->init)(rf);
1836 if (error != 0) {
1837 device_printf(sc->sc_dev,
1838 "radio initialization failed, error %d\n", error);
1839 goto fail;
1840 }
1841 error = zyd_unlock_phy(sc);
1842 if (error != 0)
1843 goto fail;
1844
1845 if ((error = zyd_read_eeprom(sc)) != 0) {
1846 device_printf(sc->sc_dev, "could not read EEPROM\n");
1847 goto fail;
1848 }
1849
1850fail: return (error);
1851}
1852
1853static int
1854zyd_read_pod(struct zyd_softc *sc)
1855{
1856 int error;
1857 uint32_t tmp;
1858
1859 zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp);
1860 sc->sc_rfrev = tmp & 0x0f;
1861 sc->sc_ledtype = (tmp >> 4) & 0x01;
1862 sc->sc_al2230s = (tmp >> 7) & 0x01;
1863 sc->sc_cckgain = (tmp >> 8) & 0x01;
1864 sc->sc_fix_cr157 = (tmp >> 13) & 0x01;
1865 sc->sc_parev = (tmp >> 16) & 0x0f;
1866 sc->sc_bandedge6 = (tmp >> 21) & 0x01;
1867 sc->sc_newphy = (tmp >> 31) & 0x01;
1868 sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1;
1869fail:
1870 return (error);
1871}
1872
1873static int
1874zyd_read_eeprom(struct zyd_softc *sc)
1875{
1876 uint16_t val;
1877 int error, i;
1878
1879 /* read Tx power calibration tables */
1880 for (i = 0; i < 7; i++) {
1881 zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val);
1882 sc->sc_pwrcal[i * 2] = val >> 8;
1883 sc->sc_pwrcal[i * 2 + 1] = val & 0xff;
1884 zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val);
1885 sc->sc_pwrint[i * 2] = val >> 8;
1886 sc->sc_pwrint[i * 2 + 1] = val & 0xff;
1887 zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val);
1888 sc->sc_ofdm36_cal[i * 2] = val >> 8;
1889 sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff;
1890 zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val);
1891 sc->sc_ofdm48_cal[i * 2] = val >> 8;
1892 sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff;
1893 zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val);
1894 sc->sc_ofdm54_cal[i * 2] = val >> 8;
1895 sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff;
1896 }
1897fail:
1898 return (error);
1899}
1900
1901static int
1902zyd_get_macaddr(struct zyd_softc *sc)
1903{
1904 struct usb_device_request req;
1905 usb_error_t error;
1906
1907 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1908 req.bRequest = ZYD_READFWDATAREQ;
1909 USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1);
1910 USETW(req.wIndex, 0);
1911 USETW(req.wLength, IEEE80211_ADDR_LEN);
1912
1913 error = zyd_do_request(sc, &req, sc->sc_bssid);
1914 if (error != 0) {
1915 device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
1916 usbd_errstr(error));
1917 }
1918
1919 return (error);
1920}
1921
1922static int
1923zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr)
1924{
1925 int error;
1926 uint32_t tmp;
1927
1928 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
1929 zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp);
1930 tmp = addr[5] << 8 | addr[4];
1931 zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp);
1932fail:
1933 return (error);
1934}
1935
1936static int
1937zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr)
1938{
1939 int error;
1940 uint32_t tmp;
1941
1942 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
1943 zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp);
1944 tmp = addr[5] << 8 | addr[4];
1945 zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp);
1946fail:
1947 return (error);
1948}
1949
1950static int
1951zyd_switch_radio(struct zyd_softc *sc, int on)
1952{
1953 struct zyd_rf *rf = &sc->sc_rf;
1954 int error;
1955
1956 error = zyd_lock_phy(sc);
1957 if (error != 0)
1958 goto fail;
1959 error = (*rf->switch_radio)(rf, on);
1960 if (error != 0)
1961 goto fail;
1962 error = zyd_unlock_phy(sc);
1963fail:
1964 return (error);
1965}
1966
1967static int
1968zyd_set_led(struct zyd_softc *sc, int which, int on)
1969{
1970 int error;
1971 uint32_t tmp;
1972
1973 zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp);
1974 tmp &= ~which;
1975 if (on)
1976 tmp |= which;
1977 zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp);
1978fail:
1979 return (error);
1980}
1981
1982static void
1983zyd_set_multi(struct zyd_softc *sc)
1984{
1985 int error;
1986 struct ifnet *ifp = sc->sc_ifp;
1987 struct ieee80211com *ic = ifp->if_l2com;
1988 struct ifmultiaddr *ifma;
1989 uint32_t low, high;
1990 uint8_t v;
1991
1992 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1993 return;
1994
1995 low = 0x00000000;
1996 high = 0x80000000;
1997
1998 if (ic->ic_opmode == IEEE80211_M_MONITOR ||
1999 (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) {
2000 low = 0xffffffff;
2001 high = 0xffffffff;
2002 } else {
2003 if_maddr_rlock(ifp);
2004 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
2005 if (ifma->ifma_addr->sa_family != AF_LINK)
2006 continue;
2007 v = ((uint8_t *)LLADDR((struct sockaddr_dl *)
2008 ifma->ifma_addr))[5] >> 2;
2009 if (v < 32)
2010 low |= 1 << v;
2011 else
2012 high |= 1 << (v - 32);
2013 }
2014 if_maddr_runlock(ifp);
2015 }
2016
2017 /* reprogram multicast global hash table */
2018 zyd_write32_m(sc, ZYD_MAC_GHTBL, low);
2019 zyd_write32_m(sc, ZYD_MAC_GHTBH, high);
2020fail:
2021 if (error != 0)
2022 device_printf(sc->sc_dev,
2023 "could not set multicast hash table\n");
2024}
2025
2026static void
2027zyd_update_mcast(struct ifnet *ifp)
2028{
2029 struct zyd_softc *sc = ifp->if_softc;
2030
2031 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
2032 return;
2033
2034 ZYD_LOCK(sc);
2035 zyd_set_multi(sc);
2036 ZYD_UNLOCK(sc);
2037}
2038
2039static int
2040zyd_set_rxfilter(struct zyd_softc *sc)
2041{
2042 struct ifnet *ifp = sc->sc_ifp;
2043 struct ieee80211com *ic = ifp->if_l2com;
2044 uint32_t rxfilter;
2045
2046 switch (ic->ic_opmode) {
2047 case IEEE80211_M_STA:
2048 rxfilter = ZYD_FILTER_BSS;
2049 break;
2050 case IEEE80211_M_IBSS:
2051 case IEEE80211_M_HOSTAP:
2052 rxfilter = ZYD_FILTER_HOSTAP;
2053 break;
2054 case IEEE80211_M_MONITOR:
2055 rxfilter = ZYD_FILTER_MONITOR;
2056 break;
2057 default:
2058 /* should not get there */
2059 return (EINVAL);
2060 }
2061 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter);
2062}
2063
2064static void
2065zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c)
2066{
2067 int error;
2068 struct ifnet *ifp = sc->sc_ifp;
2069 struct ieee80211com *ic = ifp->if_l2com;
2070 struct zyd_rf *rf = &sc->sc_rf;
2071 uint32_t tmp;
2072 int chan;
2073
2074 chan = ieee80211_chan2ieee(ic, c);
2075 if (chan == 0 || chan == IEEE80211_CHAN_ANY) {
2076 /* XXX should NEVER happen */
2077 device_printf(sc->sc_dev,
2078 "%s: invalid channel %x\n", __func__, chan);
2079 return;
2080 }
2081
2082 error = zyd_lock_phy(sc);
2083 if (error != 0)
2084 goto fail;
2085
2086 error = (*rf->set_channel)(rf, chan);
2087 if (error != 0)
2088 goto fail;
2089
2090 if (rf->update_pwr) {
2091 /* update Tx power */
2092 zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]);
2093
2094 if (sc->sc_macrev == ZYD_ZD1211B) {
2095 zyd_write16_m(sc, ZYD_CR67,
2096 sc->sc_ofdm36_cal[chan - 1]);
2097 zyd_write16_m(sc, ZYD_CR66,
2098 sc->sc_ofdm48_cal[chan - 1]);
2099 zyd_write16_m(sc, ZYD_CR65,
2100 sc->sc_ofdm54_cal[chan - 1]);
2101 zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]);
2102 zyd_write16_m(sc, ZYD_CR69, 0x28);
2103 zyd_write16_m(sc, ZYD_CR69, 0x2a);
2104 }
2105 }
2106 if (sc->sc_cckgain) {
2107 /* set CCK baseband gain from EEPROM */
2108 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0)
2109 zyd_write16_m(sc, ZYD_CR47, tmp & 0xff);
2110 }
2111 if (sc->sc_bandedge6 && rf->bandedge6 != NULL) {
2112 error = (*rf->bandedge6)(rf, c);
2113 if (error != 0)
2114 goto fail;
2115 }
2116 zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0);
2117
2118 error = zyd_unlock_phy(sc);
2119 if (error != 0)
2120 goto fail;
2121
2122 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq =
2123 htole16(c->ic_freq);
2124 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags =
2125 htole16(c->ic_flags);
2126fail:
2127 return;
2128}
2129
2130static int
2131zyd_set_beacon_interval(struct zyd_softc *sc, int bintval)
2132{
2133 int error;
2134 uint32_t val;
2135
2136 zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val);
2137 sc->sc_atim_wnd = val;
2138 zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val);
2139 sc->sc_pre_tbtt = val;
2140 sc->sc_bcn_int = bintval;
2141
2142 if (sc->sc_bcn_int <= 5)
2143 sc->sc_bcn_int = 5;
2144 if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int)
2145 sc->sc_pre_tbtt = sc->sc_bcn_int - 1;
2146 if (sc->sc_atim_wnd >= sc->sc_pre_tbtt)
2147 sc->sc_atim_wnd = sc->sc_pre_tbtt - 1;
2148
2149 zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd);
2150 zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt);
2151 zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int);
2152fail:
2153 return (error);
2154}
2155
2156static void
2157zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len)
2158{
2159 struct zyd_softc *sc = usbd_xfer_softc(xfer);
2160 struct ifnet *ifp = sc->sc_ifp;
2161 struct ieee80211com *ic = ifp->if_l2com;
2162 struct zyd_plcphdr plcp;
2163 struct zyd_rx_stat stat;
2164 struct usb_page_cache *pc;
2165 struct mbuf *m;
2166 int rlen, rssi;
2167
2168 if (len < ZYD_MIN_FRAGSZ) {
2169 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n",
2170 device_get_nameunit(sc->sc_dev), len);
2171 ifp->if_ierrors++;
2172 return;
2173 }
2174 pc = usbd_xfer_get_frame(xfer, 0);
2175 usbd_copy_out(pc, offset, &plcp, sizeof(plcp));
2176 usbd_copy_out(pc, offset + len - sizeof(stat), &stat, sizeof(stat));
2177
2178 if (stat.flags & ZYD_RX_ERROR) {
2179 DPRINTF(sc, ZYD_DEBUG_RECV,
2180 "%s: RX status indicated error (%x)\n",
2181 device_get_nameunit(sc->sc_dev), stat.flags);
2182 ifp->if_ierrors++;
2183 return;
2184 }
2185
2186 /* compute actual frame length */
2187 rlen = len - sizeof(struct zyd_plcphdr) -
2188 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN;
2189
2190 /* allocate a mbuf to store the frame */
2191 if (rlen > MCLBYTES) {
2192 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n",
2193 device_get_nameunit(sc->sc_dev), rlen);
2194 ifp->if_ierrors++;
2195 return;
2196 } else if (rlen > MHLEN)
2197 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
2198 else
2199 m = m_gethdr(M_DONTWAIT, MT_DATA);
2200 if (m == NULL) {
2201 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n",
2202 device_get_nameunit(sc->sc_dev));
2203 ifp->if_ierrors++;
2204 return;
2205 }
2206 m->m_pkthdr.rcvif = ifp;
2207 m->m_pkthdr.len = m->m_len = rlen;
2208 usbd_copy_out(pc, offset + sizeof(plcp), mtod(m, uint8_t *), rlen);
2209
2210 if (ieee80211_radiotap_active(ic)) {
2211 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap;
2212
2213 tap->wr_flags = 0;
2214 if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32))
2215 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS;
2216 /* XXX toss, no way to express errors */
2217 if (stat.flags & ZYD_RX_DECRYPTERR)
2218 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS;
2219 tap->wr_rate = ieee80211_plcp2rate(plcp.signal,
2220 (stat.flags & ZYD_RX_OFDM) ?
2221 IEEE80211_T_OFDM : IEEE80211_T_CCK);
2222 tap->wr_antsignal = stat.rssi + -95;
2223 tap->wr_antnoise = -95; /* XXX */
2224 }
2225 rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi;
2226
2227 sc->sc_rx_data[sc->sc_rx_count].rssi = rssi;
2228 sc->sc_rx_data[sc->sc_rx_count].m = m;
2229 sc->sc_rx_count++;
2230}
2231
2232static void
2233zyd_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
2234{
2235 struct zyd_softc *sc = usbd_xfer_softc(xfer);
2236 struct ifnet *ifp = sc->sc_ifp;
2237 struct ieee80211com *ic = ifp->if_l2com;
2238 struct ieee80211_node *ni;
2239 struct zyd_rx_desc desc;
2240 struct mbuf *m;
2241 struct usb_page_cache *pc;
2242 uint32_t offset;
2243 uint8_t rssi;
2244 int8_t nf;
2245 int i;
2246 int actlen;
2247
2248 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
2249
2250 sc->sc_rx_count = 0;
2251 switch (USB_GET_STATE(xfer)) {
2252 case USB_ST_TRANSFERRED:
2253 pc = usbd_xfer_get_frame(xfer, 0);
2254 usbd_copy_out(pc, actlen - sizeof(desc), &desc, sizeof(desc));
2255
2256 offset = 0;
2257 if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) {
2258 DPRINTF(sc, ZYD_DEBUG_RECV,
2259 "%s: received multi-frame transfer\n", __func__);
2260
2261 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) {
2262 uint16_t len16 = UGETW(desc.len[i]);
2263
2264 if (len16 == 0 || len16 > actlen)
2265 break;
2266
2267 zyd_rx_data(xfer, offset, len16);
2268
2269 /* next frame is aligned on a 32-bit boundary */
2270 len16 = (len16 + 3) & ~3;
2271 offset += len16;
2272 if (len16 > actlen)
2273 break;
2274 actlen -= len16;
2275 }
2276 } else {
2277 DPRINTF(sc, ZYD_DEBUG_RECV,
2278 "%s: received single-frame transfer\n", __func__);
2279
2280 zyd_rx_data(xfer, 0, actlen);
2281 }
2282 /* FALLTHROUGH */
2283 case USB_ST_SETUP:
2284tr_setup:
2285 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
2286 usbd_transfer_submit(xfer);
2287
2288 /*
2289 * At the end of a USB callback it is always safe to unlock
2290 * the private mutex of a device! That is why we do the
2291 * "ieee80211_input" here, and not some lines up!
2292 */
2293 ZYD_UNLOCK(sc);
2294 for (i = 0; i < sc->sc_rx_count; i++) {
2295 rssi = sc->sc_rx_data[i].rssi;
2296 m = sc->sc_rx_data[i].m;
2297 sc->sc_rx_data[i].m = NULL;
2298
2299 nf = -95; /* XXX */
2300
2301 ni = ieee80211_find_rxnode(ic,
2302 mtod(m, struct ieee80211_frame_min *));
2303 if (ni != NULL) {
2304 (void)ieee80211_input(ni, m, rssi, nf);
2305 ieee80211_free_node(ni);
2306 } else
2307 (void)ieee80211_input_all(ic, m, rssi, nf);
2308 }
2309 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 &&
2310 !IFQ_IS_EMPTY(&ifp->if_snd))
2311 zyd_start(ifp);
2312 ZYD_LOCK(sc);
2313 break;
2314
2315 default: /* Error */
2316 DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usbd_errstr(error));
2317
2318 if (error != USB_ERR_CANCELLED) {
2319 /* try to clear stall first */
2320 usbd_xfer_set_stall(xfer);
2321 goto tr_setup;
2322 }
2323 break;
2324 }
2325}
2326
2327static uint8_t
2328zyd_plcp_signal(struct zyd_softc *sc, int rate)
2329{
2330 switch (rate) {
2331 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
2332 case 12:
2333 return (0xb);
2334 case 18:
2335 return (0xf);
2336 case 24:
2337 return (0xa);
2338 case 36:
2339 return (0xe);
2340 case 48:
2341 return (0x9);
2342 case 72:
2343 return (0xd);
2344 case 96:
2345 return (0x8);
2346 case 108:
2347 return (0xc);
2348 /* CCK rates (NB: not IEEE std, device-specific) */
2349 case 2:
2350 return (0x0);
2351 case 4:
2352 return (0x1);
2353 case 11:
2354 return (0x2);
2355 case 22:
2356 return (0x3);
2357 }
2358
2359 device_printf(sc->sc_dev, "unsupported rate %d\n", rate);
2360 return (0x0);
2361}
2362
2363static void
2364zyd_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
2365{
2366 struct zyd_softc *sc = usbd_xfer_softc(xfer);
2367 struct ifnet *ifp = sc->sc_ifp;
2368 struct ieee80211vap *vap;
2369 struct zyd_tx_data *data;
2370 struct mbuf *m;
2371 struct usb_page_cache *pc;
2372 int actlen;
2373
2374 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
2375
2376 switch (USB_GET_STATE(xfer)) {
2377 case USB_ST_TRANSFERRED:
2378 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n",
2379 actlen);
2380
2381 /* free resources */
2382 data = usbd_xfer_get_priv(xfer);
2383 zyd_tx_free(data, 0);
2384 usbd_xfer_set_priv(xfer, NULL);
2385
2386 ifp->if_opackets++;
2387 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
2388
2389 /* FALLTHROUGH */
2390 case USB_ST_SETUP:
2391tr_setup:
2392 data = STAILQ_FIRST(&sc->tx_q);
2393 if (data) {
2394 STAILQ_REMOVE_HEAD(&sc->tx_q, next);
2395 m = data->m;
2396
2397 if (m->m_pkthdr.len > ZYD_MAX_TXBUFSZ) {
2398 DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n",
2399 m->m_pkthdr.len);
2400 m->m_pkthdr.len = ZYD_MAX_TXBUFSZ;
2401 }
2402 pc = usbd_xfer_get_frame(xfer, 0);
2403 usbd_copy_in(pc, 0, &data->desc, ZYD_TX_DESC_SIZE);
2404 usbd_m_copy_in(pc, ZYD_TX_DESC_SIZE, m, 0,
2405 m->m_pkthdr.len);
2406
2407 vap = data->ni->ni_vap;
2408 if (ieee80211_radiotap_active_vap(vap)) {
2409 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap;
2410
2411 tap->wt_flags = 0;
2412 tap->wt_rate = data->rate;
2413
2414 ieee80211_radiotap_tx(vap, m);
2415 }
2416
2417 usbd_xfer_set_frame_len(xfer, 0, ZYD_TX_DESC_SIZE + m->m_pkthdr.len);
2418 usbd_xfer_set_priv(xfer, data);
2419 usbd_transfer_submit(xfer);
2420 }
2421 ZYD_UNLOCK(sc);
2422 zyd_start(ifp);
2423 ZYD_LOCK(sc);
2424 break;
2425
2426 default: /* Error */
2427 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n",
2428 usbd_errstr(error));
2429
2430 ifp->if_oerrors++;
2431 data = usbd_xfer_get_priv(xfer);
2432 usbd_xfer_set_priv(xfer, NULL);
2433 if (data != NULL)
2434 zyd_tx_free(data, error);
2435
2436 if (error != USB_ERR_CANCELLED) {
2437 if (error == USB_ERR_TIMEOUT)
2438 device_printf(sc->sc_dev, "device timeout\n");
2439
2440 /*
2441 * Try to clear stall first, also if other
2442 * errors occur, hence clearing stall
2443 * introduces a 50 ms delay:
2444 */
2445 usbd_xfer_set_stall(xfer);
2446 goto tr_setup;
2447 }
2448 break;
2449 }
2450}
2451
2452static int
2453zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
2454{
2455 struct ieee80211vap *vap = ni->ni_vap;
2456 struct ieee80211com *ic = ni->ni_ic;
2457 struct zyd_tx_desc *desc;
2458 struct zyd_tx_data *data;
2459 struct ieee80211_frame *wh;
2460 const struct ieee80211_txparam *tp;
2461 struct ieee80211_key *k;
2462 int rate, totlen;
2463 static uint8_t ratediv[] = ZYD_TX_RATEDIV;
2464 uint8_t phy;
2465 uint16_t pktlen;
2466 uint32_t bits;
2467
2468 wh = mtod(m0, struct ieee80211_frame *);
2469 data = STAILQ_FIRST(&sc->tx_free);
2470 STAILQ_REMOVE_HEAD(&sc->tx_free, next);
2471 sc->tx_nfree--;
2472
2473 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT ||
2474 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
2475 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
2476 rate = tp->mgmtrate;
2477 } else {
2478 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
2479 /* for data frames */
2480 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
2481 rate = tp->mcastrate;
2482 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
2483 rate = tp->ucastrate;
2484 else {
2485 (void) ieee80211_ratectl_rate(ni, NULL, 0);
2486 rate = ni->ni_txrate;
2487 }
2488 }
2489
2490 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2491 k = ieee80211_crypto_encap(ni, m0);
2492 if (k == NULL) {
2493 m_freem(m0);
2494 return (ENOBUFS);
2495 }
2496 /* packet header may have moved, reset our local pointer */
2497 wh = mtod(m0, struct ieee80211_frame *);
2498 }
2499
2500 data->ni = ni;
2501 data->m = m0;
2502 data->rate = rate;
2503
2504 /* fill Tx descriptor */
2505 desc = &data->desc;
2506 phy = zyd_plcp_signal(sc, rate);
2507 desc->phy = phy;
2508 if (ZYD_RATE_IS_OFDM(rate)) {
2509 desc->phy |= ZYD_TX_PHY_OFDM;
2510 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan))
2511 desc->phy |= ZYD_TX_PHY_5GHZ;
2512 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
2513 desc->phy |= ZYD_TX_PHY_SHPREAMBLE;
2514
2515 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN;
2516 desc->len = htole16(totlen);
2517
2518 desc->flags = ZYD_TX_FLAG_BACKOFF;
2519 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
2520 /* multicast frames are not sent at OFDM rates in 802.11b/g */
2521 if (totlen > vap->iv_rtsthreshold) {
2522 desc->flags |= ZYD_TX_FLAG_RTS;
2523 } else if (ZYD_RATE_IS_OFDM(rate) &&
2524 (ic->ic_flags & IEEE80211_F_USEPROT)) {
2525 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2526 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF;
2527 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2528 desc->flags |= ZYD_TX_FLAG_RTS;
2529 }
2530 } else
2531 desc->flags |= ZYD_TX_FLAG_MULTICAST;
2532 if ((wh->i_fc[0] &
2533 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
2534 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL))
2535 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL);
2536
2537 /* actual transmit length (XXX why +10?) */
2538 pktlen = ZYD_TX_DESC_SIZE + 10;
2539 if (sc->sc_macrev == ZYD_ZD1211)
2540 pktlen += totlen;
2541 desc->pktlen = htole16(pktlen);
2542
2543 bits = (rate == 11) ? (totlen * 16) + 10 :
2544 ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8));
2545 desc->plcp_length = htole16(bits / ratediv[phy]);
2546 desc->plcp_service = 0;
2547 if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3)
2548 desc->plcp_service |= ZYD_PLCP_LENGEXT;
2549 desc->nextlen = 0;
2550
2551 if (ieee80211_radiotap_active_vap(vap)) {
2552 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap;
2553
2554 tap->wt_flags = 0;
2555 tap->wt_rate = rate;
2556
2557 ieee80211_radiotap_tx(vap, m0);
2558 }
2559
2560 DPRINTF(sc, ZYD_DEBUG_XMIT,
2561 "%s: sending data frame len=%zu rate=%u\n",
2562 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len,
2563 rate);
2564
2565 STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
2566 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_WR]);
2567
2568 return (0);
2569}
2570
2571static void
2572zyd_start(struct ifnet *ifp)
2573{
2574 struct zyd_softc *sc = ifp->if_softc;
2575 struct ieee80211_node *ni;
2576 struct mbuf *m;
2577
2578 ZYD_LOCK(sc);
2579 for (;;) {
2580 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
2581 if (m == NULL)
2582 break;
2583 if (sc->tx_nfree == 0) {
2584 IFQ_DRV_PREPEND(&ifp->if_snd, m);
2585 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2586 break;
2587 }
2588 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
2589 if (zyd_tx_start(sc, m, ni) != 0) {
2590 ieee80211_free_node(ni);
2591 ifp->if_oerrors++;
2592 break;
2593 }
2594 }
2595 ZYD_UNLOCK(sc);
2596}
2597
2598static int
2599zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2600 const struct ieee80211_bpf_params *params)
2601{
2602 struct ieee80211com *ic = ni->ni_ic;
2603 struct ifnet *ifp = ic->ic_ifp;
2604 struct zyd_softc *sc = ifp->if_softc;
2605
2606 ZYD_LOCK(sc);
2607 /* prevent management frames from being sent if we're not ready */
2608 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
2609 ZYD_UNLOCK(sc);
2610 m_freem(m);
2611 ieee80211_free_node(ni);
2612 return (ENETDOWN);
2613 }
2614 if (sc->tx_nfree == 0) {
2615 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2616 ZYD_UNLOCK(sc);
2617 m_freem(m);
2618 ieee80211_free_node(ni);
2619 return (ENOBUFS); /* XXX */
2620 }
2621
2622 /*
2623 * Legacy path; interpret frame contents to decide
2624 * precisely how to send the frame.
2625 * XXX raw path
2626 */
2627 if (zyd_tx_start(sc, m, ni) != 0) {
2628 ZYD_UNLOCK(sc);
2629 ifp->if_oerrors++;
2630 ieee80211_free_node(ni);
2631 return (EIO);
2632 }
2633 ZYD_UNLOCK(sc);
2634 return (0);
2635}
2636
2637static int
2638zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
2639{
2640 struct zyd_softc *sc = ifp->if_softc;
2641 struct ieee80211com *ic = ifp->if_l2com;
2642 struct ifreq *ifr = (struct ifreq *) data;
2643 int error = 0, startall = 0;
2644
2645 switch (cmd) {
2646 case SIOCSIFFLAGS:
2647 ZYD_LOCK(sc);
2648 if (ifp->if_flags & IFF_UP) {
2649 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
2650 zyd_init_locked(sc);
2651 startall = 1;
2652 } else
2653 zyd_set_multi(sc);
2654 } else {
2655 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
2656 zyd_stop(sc);
2657 }
2658 ZYD_UNLOCK(sc);
2659 if (startall)
2660 ieee80211_start_all(ic);
2661 break;
2662 case SIOCGIFMEDIA:
2663 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
2664 break;
2665 case SIOCGIFADDR:
2666 error = ether_ioctl(ifp, cmd, data);
2667 break;
2668 default:
2669 error = EINVAL;
2670 break;
2671 }
2672 return (error);
2673}
2674
2675static void
2676zyd_init_locked(struct zyd_softc *sc)
2677{
2678 struct ifnet *ifp = sc->sc_ifp;
2679 struct ieee80211com *ic = ifp->if_l2com;
2680 struct usb_config_descriptor *cd;
2681 int error;
2682 uint32_t val;
e707c6f3
SW		 2683#ifdef USB_DEBUG
2684 char ethstr[ETHER_ADDRSTRLEN + 1];
2685#endif
12bd3c8b
SW		 2686
2687 ZYD_LOCK_ASSERT(sc, MA_OWNED);
2688
2689 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) {
2690 error = zyd_loadfirmware(sc);
2691 if (error != 0) {
2692 device_printf(sc->sc_dev,
2693 "could not load firmware (error=%d)\n", error);
2694 goto fail;
2695 }
2696
2697 /* reset device */
2698 cd = usbd_get_config_descriptor(sc->sc_udev);
2699 error = usbd_req_set_config(sc->sc_udev, &sc->sc_mtx,
2700 cd->bConfigurationValue);
2701 if (error)
2702 device_printf(sc->sc_dev, "reset failed, continuing\n");
2703
2704 error = zyd_hw_init(sc);
2705 if (error) {
2706 device_printf(sc->sc_dev,
2707 "hardware initialization failed\n");
2708 goto fail;
2709 }
2710
2711 device_printf(sc->sc_dev,
2712 "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x "
2713 "BE%x NP%x Gain%x F%x\n",
2714 (sc->sc_macrev == ZYD_ZD1211) ? "": "B",
2715 sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff,
2716 zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev,
2717 sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy,
2718 sc->sc_cckgain, sc->sc_fix_cr157);
2719
2720 /* read regulatory domain (currently unused) */
2721 zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val);
2722 sc->sc_regdomain = val >> 16;
2723 DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n",
2724 sc->sc_regdomain);
2725
2726 /* we'll do software WEP decryption for now */
2727 DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n",
2728 __func__);
2729 zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER);
2730
2731 sc->sc_flags |= ZYD_FLAG_INITONCE;
2732 }
2733
2734 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
2735 zyd_stop(sc);
2736
e707c6f3
SW		 2737 DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %s\n",
2738 kether_ntoa(IF_LLADDR(ifp), ethstr));
12bd3c8b
SW		 2739 error = zyd_set_macaddr(sc, IF_LLADDR(ifp));
2740 if (error != 0)
2741 return;
2742
2743 /* set basic rates */
2744 if (ic->ic_curmode == IEEE80211_MODE_11B)
2745 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003);
2746 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2747 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500);
2748 else /* assumes 802.11b/g */
2749 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f);
2750
2751 /* promiscuous mode */
2752 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0);
2753 /* multicast setup */
2754 zyd_set_multi(sc);
2755 /* set RX filter */
2756 error = zyd_set_rxfilter(sc);
2757 if (error != 0)
2758 goto fail;
2759
2760 /* switch radio transmitter ON */
2761 error = zyd_switch_radio(sc, 1);
2762 if (error != 0)
2763 goto fail;
2764 /* set default BSS channel */
2765 zyd_set_chan(sc, ic->ic_curchan);
2766
2767 /*
2768 * Allocate Tx and Rx xfer queues.
2769 */
2770 zyd_setup_tx_list(sc);
2771
2772 /* enable interrupts */
2773 zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK);
2774
2775 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
2776 ifp->if_drv_flags |= IFF_DRV_RUNNING;
2777 usbd_xfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]);
2778 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_RD]);
2779 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]);
2780
2781 return;
2782
2783fail: zyd_stop(sc);
2784 return;
2785}
2786
2787static void
2788zyd_init(void *priv)
2789{
2790 struct zyd_softc *sc = priv;
2791 struct ifnet *ifp = sc->sc_ifp;
2792 struct ieee80211com *ic = ifp->if_l2com;
2793
2794 ZYD_LOCK(sc);
2795 zyd_init_locked(sc);
2796 ZYD_UNLOCK(sc);
2797
2798 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
2799 ieee80211_start_all(ic); /* start all vap's */
2800}
2801
2802static void
2803zyd_stop(struct zyd_softc *sc)
2804{
2805 struct ifnet *ifp = sc->sc_ifp;
2806 int error;
2807
2808 ZYD_LOCK_ASSERT(sc, MA_OWNED);
2809
2810 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
2811
2812 /*
2813 * Drain all the transfers, if not already drained:
2814 */
2815 ZYD_UNLOCK(sc);
2816 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]);
2817 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]);
2818 ZYD_LOCK(sc);
2819
2820 zyd_unsetup_tx_list(sc);
2821
2822 /* Stop now if the device was never set up */
2823 if (!(sc->sc_flags & ZYD_FLAG_INITONCE))
2824 return;
2825
2826 /* switch radio transmitter OFF */
2827 error = zyd_switch_radio(sc, 0);
2828 if (error != 0)
2829 goto fail;
2830 /* disable Rx */
2831 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0);
2832 /* disable interrupts */
2833 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0);
2834
2835fail:
2836 return;
2837}
2838
2839static int
2840zyd_loadfirmware(struct zyd_softc *sc)
2841{
2842 struct usb_device_request req;
2843 size_t size;
2844 u_char *fw;
2845 uint8_t stat;
2846 uint16_t addr;
2847
2848 if (sc->sc_flags & ZYD_FLAG_FWLOADED)
2849 return (0);
2850
2851 if (sc->sc_macrev == ZYD_ZD1211) {
2852 fw = (u_char *)zd1211_firmware;
2853 size = sizeof(zd1211_firmware);
2854 } else {
2855 fw = (u_char *)zd1211b_firmware;
2856 size = sizeof(zd1211b_firmware);
2857 }
2858
2859 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
2860 req.bRequest = ZYD_DOWNLOADREQ;
2861 USETW(req.wIndex, 0);
2862
2863 addr = ZYD_FIRMWARE_START_ADDR;
2864 while (size > 0) {
2865 /*
2866 * When the transfer size is 4096 bytes, it is not
2867 * likely to be able to transfer it.
2868 * The cause is port or machine or chip?
2869 */
2870 const int mlen = min(size, 64);
2871
2872 DPRINTF(sc, ZYD_DEBUG_FW,
2873 "loading firmware block: len=%d, addr=0x%x\n", mlen, addr);
2874
2875 USETW(req.wValue, addr);
2876 USETW(req.wLength, mlen);
2877 if (zyd_do_request(sc, &req, fw) != 0)
2878 return (EIO);
2879
2880 addr += mlen / 2;
2881 fw += mlen;
2882 size -= mlen;
2883 }
2884
2885 /* check whether the upload succeeded */
2886 req.bmRequestType = UT_READ_VENDOR_DEVICE;
2887 req.bRequest = ZYD_DOWNLOADSTS;
2888 USETW(req.wValue, 0);
2889 USETW(req.wIndex, 0);
2890 USETW(req.wLength, sizeof(stat));
2891 if (zyd_do_request(sc, &req, &stat) != 0)
2892 return (EIO);
2893
2894 sc->sc_flags |= ZYD_FLAG_FWLOADED;
2895
2896 return (stat & 0x80) ? (EIO) : (0);
2897}
2898
2899static void
2900zyd_scan_start(struct ieee80211com *ic)
2901{
2902 struct ifnet *ifp = ic->ic_ifp;
2903 struct zyd_softc *sc = ifp->if_softc;
2904
2905 ZYD_LOCK(sc);
2906 /* want broadcast address while scanning */
2907 zyd_set_bssid(sc, ifp->if_broadcastaddr);
2908 ZYD_UNLOCK(sc);
2909}
2910
2911static void
2912zyd_scan_end(struct ieee80211com *ic)
2913{
2914 struct zyd_softc *sc = ic->ic_ifp->if_softc;
2915
2916 ZYD_LOCK(sc);
2917 /* restore previous bssid */
2918 zyd_set_bssid(sc, sc->sc_bssid);
2919 ZYD_UNLOCK(sc);
2920}
2921
2922static void
2923zyd_set_channel(struct ieee80211com *ic)
2924{
2925 struct zyd_softc *sc = ic->ic_ifp->if_softc;
2926
2927 ZYD_LOCK(sc);
2928 zyd_set_chan(sc, ic->ic_curchan);
2929 ZYD_UNLOCK(sc);
2930}
2931
2932static device_method_t zyd_methods[] = {
2933 /* Device interface */
2934 DEVMETHOD(device_probe, zyd_match),
2935 DEVMETHOD(device_attach, zyd_attach),
2936 DEVMETHOD(device_detach, zyd_detach),
2937
2938 { 0, 0 }
2939};
2940
2941static driver_t zyd_driver = {
2942 "zyd",
2943 zyd_methods,
2944 sizeof(struct zyd_softc)
2945};
2946
2947static devclass_t zyd_devclass;
2948
2949DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, NULL, 0);
2950MODULE_DEPEND(zyd, usb, 1, 1, 1);
2951MODULE_DEPEND(zyd, wlan, 1, 1, 1);
2952MODULE_VERSION(zyd, 1);
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