if_urtwn.c revision 1.4
1 /* $NetBSD: if_urtwn.c,v 1.4 2012/06/01 12:38:25 nonaka Exp $ */ 2 /* $OpenBSD: if_urtwn.c,v 1.20 2011/11/26 06:39:33 ckuethe Exp $ */ 3 4 /*- 5 * Copyright (c) 2010 Damien Bergamini <damien.bergamini (at) free.fr> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* 21 * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188RU/RTL8192CU. 22 */ 23 24 #include <sys/cdefs.h> 25 __KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.4 2012/06/01 12:38:25 nonaka Exp $"); 26 27 #include <sys/param.h> 28 #include <sys/sockio.h> 29 #include <sys/sysctl.h> 30 #include <sys/mbuf.h> 31 #include <sys/kernel.h> 32 #include <sys/socket.h> 33 #include <sys/systm.h> 34 #include <sys/malloc.h> 35 #include <sys/module.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 39 #include <sys/bus.h> 40 #include <machine/endian.h> 41 #include <sys/intr.h> 42 43 #include <net/bpf.h> 44 #include <net/if.h> 45 #include <net/if_arp.h> 46 #include <net/if_dl.h> 47 #include <net/if_ether.h> 48 #include <net/if_media.h> 49 #include <net/if_types.h> 50 51 #include <netinet/in.h> 52 #include <netinet/in_systm.h> 53 #include <netinet/in_var.h> 54 #include <netinet/ip.h> 55 56 #include <net80211/ieee80211_netbsd.h> 57 #include <net80211/ieee80211_var.h> 58 #include <net80211/ieee80211_radiotap.h> 59 60 #include <dev/firmload.h> 61 62 #include <dev/usb/usb.h> 63 #include <dev/usb/usbdi.h> 64 #include <dev/usb/usbdivar.h> 65 #include <dev/usb/usbdi_util.h> 66 #include <dev/usb/usbdevs.h> 67 68 #include <dev/usb/if_urtwnreg.h> 69 #include <dev/usb/if_urtwnvar.h> 70 #include <dev/usb/if_urtwn_data.h> 71 72 #ifdef USB_DEBUG 73 #define URTWN_DEBUG 74 #endif 75 76 #ifdef URTWN_DEBUG 77 #define DBG_INIT __BIT(0) 78 #define DBG_FN __BIT(1) 79 #define DBG_TX __BIT(2) 80 #define DBG_RX __BIT(3) 81 #define DBG_STM __BIT(4) 82 #define DBG_RF __BIT(5) 83 #define DBG_REG __BIT(6) 84 #define DBG_ALL 0xffffffffU 85 u_int urtwn_debug = DBG_TX|DBG_RX|DBG_STM; 86 #define DPRINTFN(n, s) \ 87 do { if (urtwn_debug & (n)) printf s; } while (/*CONSTCOND*/0) 88 #else 89 #define DPRINTFN(n, s) 90 #endif 91 92 static const struct usb_devno urtwn_devs[] = { 93 { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RTL8188CU_1 }, 94 { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RTL8188CU_2 }, 95 { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_RTL8192CU }, 96 { USB_VENDOR_ASUSTEK, USB_PRODUCT_ASUSTEK_RTL8192CU }, 97 { USB_VENDOR_AZUREWAVE, USB_PRODUCT_AZUREWAVE_RTL8188CE_1 }, 98 { USB_VENDOR_AZUREWAVE, USB_PRODUCT_AZUREWAVE_RTL8188CE_2 }, 99 { USB_VENDOR_AZUREWAVE, USB_PRODUCT_AZUREWAVE_RTL8188CU }, 100 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_RTL8188CU }, 101 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_RTL8192CU }, 102 { USB_VENDOR_CHICONY, USB_PRODUCT_CHICONY_RTL8188CUS_1 }, 103 { USB_VENDOR_CHICONY, USB_PRODUCT_CHICONY_RTL8188CUS_2 }, 104 { USB_VENDOR_CHICONY, USB_PRODUCT_CHICONY_RTL8188CUS_3 }, 105 { USB_VENDOR_CHICONY, USB_PRODUCT_CHICONY_RTL8188CUS_4 }, 106 { USB_VENDOR_CHICONY, USB_PRODUCT_CHICONY_RTL8188CUS_5 }, 107 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_RTL8192CU }, 108 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_RTL8188CU }, 109 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_RTL8192CU_1 }, 110 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_RTL8192CU_2 }, 111 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_RTL8192CU_3 }, 112 { USB_VENDOR_EDIMAX, USB_PRODUCT_EDIMAX_RTL8188CU }, 113 { USB_VENDOR_EDIMAX, USB_PRODUCT_EDIMAX_RTL8192CU }, 114 { USB_VENDOR_FEIXUN, USB_PRODUCT_FEIXUN_RTL8188CU }, 115 { USB_VENDOR_FEIXUN, USB_PRODUCT_FEIXUN_RTL8192CU }, 116 { USB_VENDOR_GUILLEMOT, USB_PRODUCT_GUILLEMOT_HWNUP150 }, 117 { USB_VENDOR_HAWKING, USB_PRODUCT_HAWKING_RTL8192CU }, 118 { USB_VENDOR_HP3, USB_PRODUCT_HP3_RTL8188CU }, 119 { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_WNA1000M }, 120 { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_RTL8192CU }, 121 { USB_VENDOR_NETGEAR4, USB_PRODUCT_NETGEAR4_RTL8188CU }, 122 { USB_VENDOR_NOVATECH, USB_PRODUCT_NOVATECH_RTL8188CU }, 123 { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_RTL8188CU_1 }, 124 { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_RTL8188CU_2 }, 125 { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_RTL8192CU }, 126 { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_RTL8188CU_3 }, 127 { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_RTL8188CU_4 }, 128 { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_RTL8188CUS }, 129 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188CE_0 }, 130 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188CE_1 }, 131 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188CTV }, 132 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188CU_0 }, 133 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188CU_1 }, 134 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188CU_2 }, 135 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188CU_COMBO }, 136 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188CUS }, 137 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188RU }, 138 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8188RU_2 }, 139 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8191CU }, 140 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8192CE }, 141 { USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8192CU }, 142 { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_RTL8188CU }, 143 { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_RTL8188CU_2 }, 144 { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_RTL8192CU }, 145 { USB_VENDOR_TRENDNET, USB_PRODUCT_TRENDNET_RTL8188CU }, 146 { USB_VENDOR_TRENDNET, USB_PRODUCT_TRENDNET_RTL8192CU }, 147 { USB_VENDOR_ZYXEL, USB_PRODUCT_ZYXEL_RTL8192CU } 148 }; 149 150 static int urtwn_match(device_t, cfdata_t, void *); 151 static void urtwn_attach(device_t, device_t, void *); 152 static int urtwn_detach(device_t, int); 153 static int urtwn_activate(device_t, enum devact); 154 155 CFATTACH_DECL_NEW(urtwn, sizeof(struct urtwn_softc), urtwn_match, 156 urtwn_attach, urtwn_detach, urtwn_activate); 157 158 static int urtwn_open_pipes(struct urtwn_softc *); 159 static void urtwn_close_pipes(struct urtwn_softc *); 160 static int urtwn_alloc_rx_list(struct urtwn_softc *); 161 static void urtwn_free_rx_list(struct urtwn_softc *); 162 static int urtwn_alloc_tx_list(struct urtwn_softc *); 163 static void urtwn_free_tx_list(struct urtwn_softc *); 164 static void urtwn_task(void *); 165 static void urtwn_do_async(struct urtwn_softc *, 166 void (*)(struct urtwn_softc *, void *), void *, int); 167 static void urtwn_wait_async(struct urtwn_softc *); 168 static int urtwn_write_region_1(struct urtwn_softc *, uint16_t, uint8_t *, 169 int); 170 static int urtwn_read_region_1(struct urtwn_softc *, uint16_t, uint8_t *, 171 int); 172 static int urtwn_fw_cmd(struct urtwn_softc *, uint8_t, const void *, int); 173 static uint32_t urtwn_rf_read(struct urtwn_softc *, int, uint8_t); 174 static int urtwn_llt_write(struct urtwn_softc *, uint32_t, uint32_t); 175 static uint8_t urtwn_efuse_read_1(struct urtwn_softc *, uint16_t); 176 static void urtwn_efuse_read(struct urtwn_softc *); 177 static int urtwn_read_chipid(struct urtwn_softc *); 178 static void urtwn_read_rom(struct urtwn_softc *); 179 static int urtwn_media_change(struct ifnet *); 180 static int urtwn_ra_init(struct urtwn_softc *); 181 static void urtwn_tsf_sync_enable(struct urtwn_softc *); 182 static void urtwn_set_led(struct urtwn_softc *, int, int); 183 static void urtwn_calib_to(void *); 184 static void urtwn_calib_to_cb(struct urtwn_softc *, void *); 185 static void urtwn_next_scan(void *); 186 static int urtwn_newstate(struct ieee80211com *, enum ieee80211_state, 187 int); 188 static void urtwn_newstate_cb(struct urtwn_softc *, void *); 189 static int urtwn_wme_update(struct ieee80211com *); 190 static void urtwn_wme_update_cb(struct urtwn_softc *, void *); 191 static void urtwn_update_avgrssi(struct urtwn_softc *, int, int8_t); 192 static int8_t urtwn_get_rssi(struct urtwn_softc *, int, void *); 193 static void urtwn_rx_frame(struct urtwn_softc *, uint8_t *, int); 194 static void urtwn_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 195 static void urtwn_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 196 static int urtwn_tx(struct urtwn_softc *, struct mbuf *, 197 struct ieee80211_node *); 198 static void urtwn_start(struct ifnet *); 199 static void urtwn_watchdog(struct ifnet *); 200 static int urtwn_ioctl(struct ifnet *, u_long, void *); 201 static int urtwn_power_on(struct urtwn_softc *); 202 static int urtwn_llt_init(struct urtwn_softc *); 203 static void urtwn_fw_reset(struct urtwn_softc *); 204 static int urtwn_fw_loadpage(struct urtwn_softc *, int, uint8_t *, int); 205 static int urtwn_load_firmware(struct urtwn_softc *); 206 static int urtwn_dma_init(struct urtwn_softc *); 207 static void urtwn_mac_init(struct urtwn_softc *); 208 static void urtwn_bb_init(struct urtwn_softc *); 209 static void urtwn_rf_init(struct urtwn_softc *); 210 static void urtwn_cam_init(struct urtwn_softc *); 211 static void urtwn_pa_bias_init(struct urtwn_softc *); 212 static void urtwn_rxfilter_init(struct urtwn_softc *); 213 static void urtwn_edca_init(struct urtwn_softc *); 214 static void urtwn_write_txpower(struct urtwn_softc *, int, uint16_t[]); 215 static void urtwn_get_txpower(struct urtwn_softc *, int, u_int, u_int, 216 uint16_t[]); 217 static void urtwn_set_txpower(struct urtwn_softc *, u_int, u_int); 218 static void urtwn_set_chan(struct urtwn_softc *, struct ieee80211_channel *, 219 u_int); 220 static void urtwn_iq_calib(struct urtwn_softc *, bool); 221 static void urtwn_lc_calib(struct urtwn_softc *); 222 static void urtwn_temp_calib(struct urtwn_softc *); 223 static int urtwn_init(struct ifnet *); 224 static void urtwn_stop(struct ifnet *, int); 225 static void urtwn_chip_stop(struct urtwn_softc *); 226 227 /* Aliases. */ 228 #define urtwn_bb_write urtwn_write_4 229 #define urtwn_bb_read urtwn_read_4 230 231 static int 232 urtwn_match(device_t parent, cfdata_t match, void *aux) 233 { 234 struct usb_attach_arg *uaa = aux; 235 236 return ((usb_lookup(urtwn_devs, uaa->vendor, uaa->product) != NULL) ? 237 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 238 } 239 240 static void 241 urtwn_attach(device_t parent, device_t self, void *aux) 242 { 243 struct urtwn_softc *sc = device_private(self); 244 struct ieee80211com *ic = &sc->sc_ic; 245 struct ifnet *ifp = &sc->sc_if; 246 struct usb_attach_arg *uaa = aux; 247 char *devinfop; 248 int i, error; 249 250 sc->sc_dev = self; 251 sc->sc_udev = uaa->device; 252 253 aprint_naive("\n"); 254 aprint_normal("\n"); 255 256 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 257 aprint_normal_dev(self, "%s\n", devinfop); 258 usbd_devinfo_free(devinfop); 259 260 mutex_init(&sc->sc_task_mtx, MUTEX_DEFAULT, IPL_NET); 261 mutex_init(&sc->sc_tx_mtx, MUTEX_DEFAULT, IPL_NET); 262 mutex_init(&sc->sc_fwcmd_mtx, MUTEX_DEFAULT, IPL_NONE); 263 264 usb_init_task(&sc->sc_task, urtwn_task, sc); 265 266 callout_init(&sc->sc_scan_to, 0); 267 callout_setfunc(&sc->sc_scan_to, urtwn_next_scan, sc); 268 callout_init(&sc->sc_calib_to, 0); 269 callout_setfunc(&sc->sc_calib_to, urtwn_calib_to, sc); 270 271 if (usbd_set_config_no(sc->sc_udev, 1, 0) != 0) { 272 aprint_error_dev(self, "could not set configuration no\n"); 273 goto fail; 274 } 275 276 /* Get the first interface handle. */ 277 error = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface); 278 if (error != 0) { 279 aprint_error_dev(self, "could not get interface handle\n"); 280 goto fail; 281 } 282 283 error = urtwn_read_chipid(sc); 284 if (error != 0) { 285 aprint_error_dev(self, "unsupported test chip\n"); 286 goto fail; 287 } 288 289 /* Determine number of Tx/Rx chains. */ 290 if (sc->chip & URTWN_CHIP_92C) { 291 sc->ntxchains = (sc->chip & URTWN_CHIP_92C_1T2R) ? 1 : 2; 292 sc->nrxchains = 2; 293 } else { 294 sc->ntxchains = 1; 295 sc->nrxchains = 1; 296 } 297 urtwn_read_rom(sc); 298 299 aprint_normal_dev(self, "MAC/BB RTL%s, RF 6052 %dT%dR, address %s\n", 300 (sc->chip & URTWN_CHIP_92C) ? "8192CU" : 301 (sc->board_type == R92C_BOARD_TYPE_HIGHPA) ? "8188RU" : 302 (sc->board_type == R92C_BOARD_TYPE_MINICARD) ? "8188CE-VAU" : 303 "8188CUS", sc->ntxchains, sc->nrxchains, 304 ether_sprintf(ic->ic_myaddr)); 305 306 error = urtwn_open_pipes(sc); 307 if (error != 0) { 308 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 309 goto fail; 310 } 311 aprint_normal_dev(self, "%d rx pipe%s, %d tx pipe%s\n", 312 sc->rx_npipe, sc->rx_npipe > 1 ? "s" : "", 313 sc->tx_npipe, sc->tx_npipe > 1 ? "s" : ""); 314 315 /* 316 * Setup the 802.11 device. 317 */ 318 ic->ic_ifp = ifp; 319 ic->ic_phytype = IEEE80211_T_OFDM; /* Not only, but not used. */ 320 ic->ic_opmode = IEEE80211_M_STA; /* Default to BSS mode. */ 321 ic->ic_state = IEEE80211_S_INIT; 322 323 /* Set device capabilities. */ 324 ic->ic_caps = 325 IEEE80211_C_MONITOR | /* Monitor mode supported. */ 326 IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */ 327 IEEE80211_C_SHSLOT | /* Short slot time supported. */ 328 IEEE80211_C_WME | /* 802.11e */ 329 IEEE80211_C_WPA; /* 802.11i */ 330 331 /* Set supported .11b and .11g rates. */ 332 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; 333 ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; 334 335 /* Set supported .11b and .11g channels (1 through 14). */ 336 for (i = 1; i <= 14; i++) { 337 ic->ic_channels[i].ic_freq = 338 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 339 ic->ic_channels[i].ic_flags = 340 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 341 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 342 } 343 344 ifp->if_softc = sc; 345 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 346 ifp->if_init = urtwn_init; 347 ifp->if_ioctl = urtwn_ioctl; 348 ifp->if_start = urtwn_start; 349 ifp->if_watchdog = urtwn_watchdog; 350 IFQ_SET_READY(&ifp->if_snd); 351 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 352 353 if_attach(ifp); 354 ieee80211_ifattach(ic); 355 /* override default methods */ 356 ic->ic_wme.wme_update = urtwn_wme_update; 357 358 /* Override state transition machine. */ 359 sc->sc_newstate = ic->ic_newstate; 360 ic->ic_newstate = urtwn_newstate; 361 ieee80211_media_init(ic, urtwn_media_change, ieee80211_media_status); 362 363 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 364 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 365 &sc->sc_drvbpf); 366 367 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); 368 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 369 sc->sc_rxtap.wr_ihdr.it_present = htole32(URTWN_RX_RADIOTAP_PRESENT); 370 371 sc->sc_txtap_len = sizeof(sc->sc_txtapu); 372 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 373 sc->sc_txtap.wt_ihdr.it_present = htole32(URTWN_TX_RADIOTAP_PRESENT); 374 375 ieee80211_announce(ic); 376 377 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 378 379 SET(sc->sc_flags, URTWN_FLAG_ATTACHED); 380 return; 381 382 fail: 383 sc->sc_dying = 1; 384 aprint_error_dev(self, "attach failed\n"); 385 } 386 387 static int 388 urtwn_detach(device_t self, int flags) 389 { 390 struct urtwn_softc *sc = device_private(self); 391 struct ifnet *ifp = &sc->sc_if; 392 int s; 393 394 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 395 396 s = splusb(); 397 398 sc->sc_dying = 1; 399 400 callout_stop(&sc->sc_scan_to); 401 callout_stop(&sc->sc_calib_to); 402 403 if (ISSET(sc->sc_flags, URTWN_FLAG_ATTACHED)) { 404 usb_rem_task(sc->sc_udev, &sc->sc_task); 405 urtwn_stop(ifp, 0); 406 407 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 408 bpf_detach(ifp); 409 ieee80211_ifdetach(&sc->sc_ic); 410 if_detach(ifp); 411 412 /* Abort and close Tx/Rx pipes. */ 413 urtwn_close_pipes(sc); 414 } 415 416 splx(s); 417 418 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 419 420 callout_destroy(&sc->sc_scan_to); 421 callout_destroy(&sc->sc_calib_to); 422 mutex_destroy(&sc->sc_fwcmd_mtx); 423 mutex_destroy(&sc->sc_tx_mtx); 424 mutex_destroy(&sc->sc_task_mtx); 425 426 return (0); 427 } 428 429 static int 430 urtwn_activate(device_t self, enum devact act) 431 { 432 struct urtwn_softc *sc = device_private(self); 433 434 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 435 436 switch (act) { 437 case DVACT_DEACTIVATE: 438 if_deactivate(sc->sc_ic.ic_ifp); 439 return (0); 440 default: 441 return (EOPNOTSUPP); 442 } 443 } 444 445 static int 446 urtwn_open_pipes(struct urtwn_softc *sc) 447 { 448 /* Bulk-out endpoints addresses (from highest to lowest prio). */ 449 static const uint8_t epaddr[] = { 0x02, 0x03, 0x05 }; 450 usb_interface_descriptor_t *id; 451 usb_endpoint_descriptor_t *ed; 452 int i, ntx = 0, error; 453 454 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 455 456 /* Determine the number of bulk-out pipes. */ 457 id = usbd_get_interface_descriptor(sc->sc_iface); 458 for (i = 0; i < id->bNumEndpoints; i++) { 459 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 460 if (ed != NULL && 461 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK && 462 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 463 ntx++; 464 } 465 DPRINTFN(DBG_INIT, ("%s: %s: found %d bulk-out pipes\n", 466 device_xname(sc->sc_dev), __func__, ntx)); 467 if (ntx == 0 || ntx > R92C_MAX_EPOUT) { 468 aprint_error_dev(sc->sc_dev, 469 "%d: invalid number of Tx bulk pipes\n", ntx); 470 return (EIO); 471 } 472 sc->rx_npipe = 1; 473 sc->tx_npipe = ntx; 474 475 /* Open bulk-in pipe at address 0x81. */ 476 error = usbd_open_pipe(sc->sc_iface, 0x81, USBD_EXCLUSIVE_USE, 477 &sc->rx_pipe); 478 if (error != 0) { 479 aprint_error_dev(sc->sc_dev, "could not open Rx bulk pipe\n"); 480 goto fail; 481 } 482 483 /* Open bulk-out pipes (up to 3). */ 484 for (i = 0; i < ntx; i++) { 485 error = usbd_open_pipe(sc->sc_iface, epaddr[i], 486 USBD_EXCLUSIVE_USE, &sc->tx_pipe[i]); 487 if (error != 0) { 488 aprint_error_dev(sc->sc_dev, 489 "could not open Tx bulk pipe 0x%02x\n", epaddr[i]); 490 goto fail; 491 } 492 } 493 494 /* Map 802.11 access categories to USB pipes. */ 495 sc->ac2idx[WME_AC_BK] = 496 sc->ac2idx[WME_AC_BE] = (ntx == 3) ? 2 : ((ntx == 2) ? 1 : 0); 497 sc->ac2idx[WME_AC_VI] = (ntx == 3) ? 1 : 0; 498 sc->ac2idx[WME_AC_VO] = 0; /* Always use highest prio. */ 499 500 fail: 501 if (error != 0) 502 urtwn_close_pipes(sc); 503 return (error); 504 } 505 506 static void 507 urtwn_close_pipes(struct urtwn_softc *sc) 508 { 509 int i; 510 511 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 512 513 /* Close Rx pipe. */ 514 if (sc->rx_pipe != NULL) { 515 usbd_abort_pipe(sc->rx_pipe); 516 usbd_close_pipe(sc->rx_pipe); 517 sc->rx_pipe = NULL; 518 } 519 /* Close Tx pipes. */ 520 for (i = 0; i < R92C_MAX_EPOUT; i++) { 521 if (sc->tx_pipe[i] == NULL) 522 continue; 523 usbd_abort_pipe(sc->tx_pipe[i]); 524 usbd_close_pipe(sc->tx_pipe[i]); 525 sc->tx_pipe[i] = NULL; 526 } 527 } 528 529 static int 530 urtwn_alloc_rx_list(struct urtwn_softc *sc) 531 { 532 struct urtwn_rx_data *data; 533 int i, error = 0; 534 535 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 536 537 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 538 data = &sc->rx_data[i]; 539 540 data->sc = sc; /* Backpointer for callbacks. */ 541 542 data->xfer = usbd_alloc_xfer(sc->sc_udev); 543 if (data->xfer == NULL) { 544 aprint_error_dev(sc->sc_dev, 545 "could not allocate xfer\n"); 546 error = ENOMEM; 547 break; 548 } 549 550 data->buf = usbd_alloc_buffer(data->xfer, URTWN_RXBUFSZ); 551 if (data->buf == NULL) { 552 aprint_error_dev(sc->sc_dev, 553 "could not allocate xfer buffer\n"); 554 error = ENOMEM; 555 break; 556 } 557 } 558 if (error != 0) 559 urtwn_free_rx_list(sc); 560 return (error); 561 } 562 563 static void 564 urtwn_free_rx_list(struct urtwn_softc *sc) 565 { 566 int i; 567 568 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 569 570 /* NB: Caller must abort pipe first. */ 571 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 572 if (sc->rx_data[i].xfer != NULL) { 573 usbd_free_xfer(sc->rx_data[i].xfer); 574 sc->rx_data[i].xfer = NULL; 575 } 576 } 577 } 578 579 static int 580 urtwn_alloc_tx_list(struct urtwn_softc *sc) 581 { 582 struct urtwn_tx_data *data; 583 int i, error = 0; 584 585 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 586 587 mutex_enter(&sc->sc_tx_mtx); 588 TAILQ_INIT(&sc->tx_free_list); 589 for (i = 0; i < URTWN_TX_LIST_COUNT; i++) { 590 data = &sc->tx_data[i]; 591 592 data->sc = sc; /* Backpointer for callbacks. */ 593 594 data->xfer = usbd_alloc_xfer(sc->sc_udev); 595 if (data->xfer == NULL) { 596 aprint_error_dev(sc->sc_dev, 597 "could not allocate xfer\n"); 598 error = ENOMEM; 599 goto fail; 600 } 601 602 data->buf = usbd_alloc_buffer(data->xfer, URTWN_TXBUFSZ); 603 if (data->buf == NULL) { 604 aprint_error_dev(sc->sc_dev, 605 "could not allocate xfer buffer\n"); 606 error = ENOMEM; 607 goto fail; 608 } 609 610 /* Append this Tx buffer to our free list. */ 611 TAILQ_INSERT_TAIL(&sc->tx_free_list, data, next); 612 } 613 mutex_exit(&sc->sc_tx_mtx); 614 return (0); 615 616 fail: 617 urtwn_free_tx_list(sc); 618 mutex_exit(&sc->sc_tx_mtx); 619 return (error); 620 } 621 622 static void 623 urtwn_free_tx_list(struct urtwn_softc *sc) 624 { 625 struct urtwn_tx_data *data; 626 int i; 627 628 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 629 630 /* NB: Caller must abort pipe first. */ 631 for (i = 0; i < URTWN_TX_LIST_COUNT; i++) { 632 data = &sc->tx_data[i]; 633 634 if (data->xfer != NULL) { 635 usbd_free_xfer(data->xfer); 636 data->xfer = NULL; 637 } 638 } 639 } 640 641 static void 642 urtwn_task(void *arg) 643 { 644 struct urtwn_softc *sc = arg; 645 struct urtwn_host_cmd_ring *ring = &sc->cmdq; 646 struct urtwn_host_cmd *cmd; 647 int s; 648 649 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 650 651 /* Process host commands. */ 652 s = splusb(); 653 mutex_spin_enter(&sc->sc_task_mtx); 654 while (ring->next != ring->cur) { 655 cmd = &ring->cmd[ring->next]; 656 mutex_spin_exit(&sc->sc_task_mtx); 657 splx(s); 658 /* Invoke callback. */ 659 cmd->cb(sc, cmd->data); 660 s = splusb(); 661 mutex_spin_enter(&sc->sc_task_mtx); 662 ring->queued--; 663 ring->next = (ring->next + 1) % URTWN_HOST_CMD_RING_COUNT; 664 } 665 mutex_spin_exit(&sc->sc_task_mtx); 666 wakeup(&sc->cmdq); 667 splx(s); 668 } 669 670 static void 671 urtwn_do_async(struct urtwn_softc *sc, void (*cb)(struct urtwn_softc *, void *), 672 void *arg, int len) 673 { 674 struct urtwn_host_cmd_ring *ring = &sc->cmdq; 675 struct urtwn_host_cmd *cmd; 676 int s; 677 678 DPRINTFN(DBG_FN, ("%s: %s: cb=%p, arg=%p, len=%d\n", 679 device_xname(sc->sc_dev), __func__, cb, arg, len)); 680 681 s = splusb(); 682 mutex_spin_enter(&sc->sc_task_mtx); 683 cmd = &ring->cmd[ring->cur]; 684 cmd->cb = cb; 685 KASSERT(len <= sizeof(cmd->data)); 686 memcpy(cmd->data, arg, len); 687 ring->cur = (ring->cur + 1) % URTWN_HOST_CMD_RING_COUNT; 688 689 /* If there is no pending command already, schedule a task. */ 690 if (!sc->sc_dying && ++ring->queued == 1) { 691 mutex_spin_exit(&sc->sc_task_mtx); 692 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 693 } else 694 mutex_spin_exit(&sc->sc_task_mtx); 695 splx(s); 696 } 697 698 static void 699 urtwn_wait_async(struct urtwn_softc *sc) 700 { 701 702 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 703 704 /* Wait for all queued asynchronous commands to complete. */ 705 while (sc->cmdq.queued > 0) 706 tsleep(&sc->cmdq, 0, "endtask", 0); 707 } 708 709 static int 710 urtwn_write_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 711 int len) 712 { 713 usb_device_request_t req; 714 usbd_status error; 715 716 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 717 req.bRequest = R92C_REQ_REGS; 718 USETW(req.wValue, addr); 719 USETW(req.wIndex, 0); 720 USETW(req.wLength, len); 721 error = usbd_do_request(sc->sc_udev, &req, buf); 722 if (error != USBD_NORMAL_COMPLETION) { 723 DPRINTFN(DBG_REG, ("%s: %s: error=%d: addr=0x%x, len=%d\n", 724 device_xname(sc->sc_dev), __func__, error, addr, len)); 725 } 726 return (error); 727 } 728 729 static void 730 urtwn_write_1(struct urtwn_softc *sc, uint16_t addr, uint8_t val) 731 { 732 733 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 734 device_xname(sc->sc_dev), __func__, addr, val)); 735 736 urtwn_write_region_1(sc, addr, &val, 1); 737 } 738 739 static void 740 urtwn_write_2(struct urtwn_softc *sc, uint16_t addr, uint16_t val) 741 { 742 uint8_t buf[2]; 743 744 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 745 device_xname(sc->sc_dev), __func__, addr, val)); 746 747 buf[0] = (uint8_t)val; 748 buf[1] = (uint8_t)(val >> 8); 749 urtwn_write_region_1(sc, addr, buf, 2); 750 } 751 752 static void 753 urtwn_write_4(struct urtwn_softc *sc, uint16_t addr, uint32_t val) 754 { 755 uint8_t buf[4]; 756 757 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 758 device_xname(sc->sc_dev), __func__, addr, val)); 759 760 buf[0] = (uint8_t)val; 761 buf[1] = (uint8_t)(val >> 8); 762 buf[2] = (uint8_t)(val >> 16); 763 buf[3] = (uint8_t)(val >> 24); 764 urtwn_write_region_1(sc, addr, buf, 4); 765 } 766 767 static int 768 urtwn_write_region(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, int len) 769 { 770 771 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, len=0x%x\n", 772 device_xname(sc->sc_dev), __func__, addr, len)); 773 774 return urtwn_write_region_1(sc, addr, buf, len); 775 } 776 777 static int 778 urtwn_read_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 779 int len) 780 { 781 usb_device_request_t req; 782 usbd_status error; 783 784 req.bmRequestType = UT_READ_VENDOR_DEVICE; 785 req.bRequest = R92C_REQ_REGS; 786 USETW(req.wValue, addr); 787 USETW(req.wIndex, 0); 788 USETW(req.wLength, len); 789 error = usbd_do_request(sc->sc_udev, &req, buf); 790 if (error != USBD_NORMAL_COMPLETION) { 791 DPRINTFN(DBG_REG, ("%s: %s: error=%d: addr=0x%x, len=%d\n", 792 device_xname(sc->sc_dev), __func__, error, addr, len)); 793 } 794 return (error); 795 } 796 797 static uint8_t 798 urtwn_read_1(struct urtwn_softc *sc, uint16_t addr) 799 { 800 uint8_t val; 801 802 if (urtwn_read_region_1(sc, addr, &val, 1) != USBD_NORMAL_COMPLETION) 803 return (0xff); 804 805 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 806 device_xname(sc->sc_dev), __func__, addr, val)); 807 return (val); 808 } 809 810 static uint16_t 811 urtwn_read_2(struct urtwn_softc *sc, uint16_t addr) 812 { 813 uint8_t buf[2]; 814 uint16_t val; 815 816 if (urtwn_read_region_1(sc, addr, buf, 2) != USBD_NORMAL_COMPLETION) 817 return (0xffff); 818 819 val = LE_READ_2(&buf[0]); 820 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 821 device_xname(sc->sc_dev), __func__, addr, val)); 822 return (val); 823 } 824 825 static uint32_t 826 urtwn_read_4(struct urtwn_softc *sc, uint16_t addr) 827 { 828 uint8_t buf[4]; 829 uint32_t val; 830 831 if (urtwn_read_region_1(sc, addr, buf, 4) != USBD_NORMAL_COMPLETION) 832 return (0xffffffff); 833 834 val = LE_READ_4(&buf[0]); 835 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 836 device_xname(sc->sc_dev), __func__, addr, val)); 837 return (val); 838 } 839 840 static int 841 urtwn_fw_cmd(struct urtwn_softc *sc, uint8_t id, const void *buf, int len) 842 { 843 struct r92c_fw_cmd cmd; 844 uint8_t *cp; 845 int fwcur; 846 int ntries; 847 848 DPRINTFN(DBG_REG, ("%s: %s: id=%d, buf=%p, len=%d\n", 849 device_xname(sc->sc_dev), __func__, id, buf, len)); 850 851 mutex_enter(&sc->sc_fwcmd_mtx); 852 fwcur = sc->fwcur; 853 sc->fwcur = (sc->fwcur + 1) % R92C_H2C_NBOX; 854 mutex_exit(&sc->sc_fwcmd_mtx); 855 856 /* Wait for current FW box to be empty. */ 857 for (ntries = 0; ntries < 100; ntries++) { 858 if (!(urtwn_read_1(sc, R92C_HMETFR) & (1 << fwcur))) 859 break; 860 DELAY(1); 861 } 862 if (ntries == 100) { 863 aprint_error_dev(sc->sc_dev, 864 "could not send firmware command %d\n", id); 865 return (ETIMEDOUT); 866 } 867 868 memset(&cmd, 0, sizeof(cmd)); 869 KASSERT(len <= sizeof(cmd.msg)); 870 memcpy(cmd.msg, buf, len); 871 872 /* Write the first word last since that will trigger the FW. */ 873 cp = (uint8_t *)&cmd; 874 if (len >= 4) { 875 cmd.id = id | R92C_CMD_FLAG_EXT; 876 urtwn_write_region(sc, R92C_HMEBOX_EXT(fwcur), &cp[1], 2); 877 urtwn_write_4(sc, R92C_HMEBOX(fwcur), 878 cp[0] + (cp[3] << 8) + (cp[4] << 16) + (cp[5] << 24)); 879 } else { 880 cmd.id = id; 881 urtwn_write_region(sc, R92C_HMEBOX(fwcur), cp, len); 882 } 883 884 return (0); 885 } 886 887 static void 888 urtwn_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, uint32_t val) 889 { 890 891 urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 892 SM(R92C_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val)); 893 } 894 895 static uint32_t 896 urtwn_rf_read(struct urtwn_softc *sc, int chain, uint8_t addr) 897 { 898 uint32_t reg[R92C_MAX_CHAINS], val; 899 900 reg[0] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)); 901 if (chain != 0) { 902 reg[chain] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(chain)); 903 } 904 905 urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 906 reg[0] & ~R92C_HSSI_PARAM2_READ_EDGE); 907 DELAY(1000); 908 909 urtwn_bb_write(sc, R92C_HSSI_PARAM2(chain), 910 RW(reg[chain], R92C_HSSI_PARAM2_READ_ADDR, addr) | 911 R92C_HSSI_PARAM2_READ_EDGE); 912 DELAY(1000); 913 914 urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 915 reg[0] | R92C_HSSI_PARAM2_READ_EDGE); 916 DELAY(1000); 917 918 if (urtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI) { 919 val = urtwn_bb_read(sc, R92C_HSPI_READBACK(chain)); 920 } else { 921 val = urtwn_bb_read(sc, R92C_LSSI_READBACK(chain)); 922 } 923 return (MS(val, R92C_LSSI_READBACK_DATA)); 924 } 925 926 static int 927 urtwn_llt_write(struct urtwn_softc *sc, uint32_t addr, uint32_t data) 928 { 929 int ntries; 930 931 urtwn_write_4(sc, R92C_LLT_INIT, 932 SM(R92C_LLT_INIT_OP, R92C_LLT_INIT_OP_WRITE) | 933 SM(R92C_LLT_INIT_ADDR, addr) | 934 SM(R92C_LLT_INIT_DATA, data)); 935 /* Wait for write operation to complete. */ 936 for (ntries = 0; ntries < 20; ntries++) { 937 if (MS(urtwn_read_4(sc, R92C_LLT_INIT), R92C_LLT_INIT_OP) == 938 R92C_LLT_INIT_OP_NO_ACTIVE) { 939 /* Done */ 940 return (0); 941 } 942 DELAY(5); 943 } 944 return (ETIMEDOUT); 945 } 946 947 static uint8_t 948 urtwn_efuse_read_1(struct urtwn_softc *sc, uint16_t addr) 949 { 950 uint32_t reg; 951 int ntries; 952 953 reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 954 reg = RW(reg, R92C_EFUSE_CTRL_ADDR, addr); 955 reg &= ~R92C_EFUSE_CTRL_VALID; 956 urtwn_write_4(sc, R92C_EFUSE_CTRL, reg); 957 958 /* Wait for read operation to complete. */ 959 for (ntries = 0; ntries < 100; ntries++) { 960 reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 961 if (reg & R92C_EFUSE_CTRL_VALID) { 962 /* Done */ 963 return (MS(reg, R92C_EFUSE_CTRL_DATA)); 964 } 965 DELAY(5); 966 } 967 aprint_error_dev(sc->sc_dev, 968 "could not read efuse byte at address 0x%04x\n", addr); 969 return (0xff); 970 } 971 972 static void 973 urtwn_efuse_read(struct urtwn_softc *sc) 974 { 975 uint8_t *rom = (uint8_t *)&sc->rom; 976 uint32_t reg; 977 uint16_t addr = 0; 978 uint8_t off, msk; 979 int i; 980 981 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 982 983 reg = urtwn_read_2(sc, R92C_SYS_ISO_CTRL); 984 if (!(reg & R92C_SYS_ISO_CTRL_PWC_EV12V)) { 985 urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 986 reg | R92C_SYS_ISO_CTRL_PWC_EV12V); 987 } 988 reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 989 if (!(reg & R92C_SYS_FUNC_EN_ELDR)) { 990 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 991 reg | R92C_SYS_FUNC_EN_ELDR); 992 } 993 reg = urtwn_read_2(sc, R92C_SYS_CLKR); 994 if ((reg & (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) != 995 (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) { 996 urtwn_write_2(sc, R92C_SYS_CLKR, 997 reg | R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M); 998 } 999 memset(&sc->rom, 0xff, sizeof(sc->rom)); 1000 while (addr < 512) { 1001 reg = urtwn_efuse_read_1(sc, addr); 1002 if (reg == 0xff) 1003 break; 1004 addr++; 1005 off = reg >> 4; 1006 msk = reg & 0xf; 1007 for (i = 0; i < 4; i++) { 1008 if (msk & (1U << i)) 1009 continue; 1010 1011 rom[off * 8 + i * 2 + 0] = urtwn_efuse_read_1(sc, addr); 1012 addr++; 1013 rom[off * 8 + i * 2 + 1] = urtwn_efuse_read_1(sc, addr); 1014 addr++; 1015 } 1016 } 1017 #ifdef URTWN_DEBUG 1018 if (urtwn_debug & DBG_INIT) { 1019 /* Dump ROM content. */ 1020 printf("%s: %s", device_xname(sc->sc_dev), __func__); 1021 for (i = 0; i < (int)sizeof(sc->rom); i++) 1022 printf(":%02x", rom[i]); 1023 printf("\n"); 1024 } 1025 #endif 1026 } 1027 1028 static int 1029 urtwn_read_chipid(struct urtwn_softc *sc) 1030 { 1031 uint32_t reg; 1032 1033 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1034 1035 sc->chip = 0; 1036 reg = urtwn_read_4(sc, R92C_SYS_CFG); 1037 if (reg & R92C_SYS_CFG_TRP_VAUX_EN) { 1038 /* test chip, not supported */ 1039 return (EIO); 1040 } 1041 if (reg & R92C_SYS_CFG_TYPE_92C) { 1042 sc->chip |= URTWN_CHIP_92C; 1043 /* Check if it is a castrated 8192C. */ 1044 if (MS(urtwn_read_4(sc, R92C_HPON_FSM), 1045 R92C_HPON_FSM_CHIP_BONDING_ID) == 1046 R92C_HPON_FSM_CHIP_BONDING_ID_92C_1T2R) { 1047 sc->chip |= URTWN_CHIP_92C_1T2R; 1048 } 1049 } 1050 if (reg & R92C_SYS_CFG_VENDOR_UMC) { 1051 sc->chip |= URTWN_CHIP_UMC; 1052 if (MS(reg, R92C_SYS_CFG_CHIP_VER_RTL) == 0) { 1053 sc->chip |= URTWN_CHIP_UMC_A_CUT; 1054 } 1055 } 1056 return (0); 1057 } 1058 1059 #ifdef URTWN_DEBUG 1060 static void 1061 urtwn_dump_rom(struct urtwn_softc *sc, struct r92c_rom *rp) 1062 { 1063 1064 aprint_normal_dev(sc->sc_dev, 1065 "id 0x%04x, dbg_sel 0x%x, vid 0x%x, pid 0x%x\n", 1066 rp->id, rp->dbg_sel, rp->vid, rp->pid); 1067 1068 aprint_normal_dev(sc->sc_dev, 1069 "usb_opt 0x%x, ep_setting 0x%x, usb_phy 0x%x\n", 1070 rp->usb_opt, rp->ep_setting, rp->usb_phy); 1071 1072 aprint_normal_dev(sc->sc_dev, 1073 "macaddr %02x:%02x:%02x:%02x:%02x:%02x\n", 1074 rp->macaddr[0], rp->macaddr[1], 1075 rp->macaddr[2], rp->macaddr[3], 1076 rp->macaddr[4], rp->macaddr[5]); 1077 1078 aprint_normal_dev(sc->sc_dev, 1079 "string %s, subcustomer_id 0x%x\n", 1080 rp->string, rp->subcustomer_id); 1081 1082 aprint_normal_dev(sc->sc_dev, 1083 "cck_tx_pwr c0: %d %d %d, c1: %d %d %d\n", 1084 rp->cck_tx_pwr[0][0], rp->cck_tx_pwr[0][1], rp->cck_tx_pwr[0][2], 1085 rp->cck_tx_pwr[1][0], rp->cck_tx_pwr[1][1], rp->cck_tx_pwr[1][2]); 1086 1087 aprint_normal_dev(sc->sc_dev, 1088 "ht40_1s_tx_pwr c0 %d %d %d, c1 %d %d %d\n", 1089 rp->ht40_1s_tx_pwr[0][0], rp->ht40_1s_tx_pwr[0][1], 1090 rp->ht40_1s_tx_pwr[0][2], 1091 rp->ht40_1s_tx_pwr[1][0], rp->ht40_1s_tx_pwr[1][1], 1092 rp->ht40_1s_tx_pwr[1][2]); 1093 1094 aprint_normal_dev(sc->sc_dev, 1095 "ht40_2s_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1096 rp->ht40_2s_tx_pwr_diff[0] & 0xf, rp->ht40_2s_tx_pwr_diff[1] & 0xf, 1097 rp->ht40_2s_tx_pwr_diff[2] & 0xf, 1098 rp->ht40_2s_tx_pwr_diff[0] >> 4, rp->ht40_2s_tx_pwr_diff[1] & 0xf, 1099 rp->ht40_2s_tx_pwr_diff[2] >> 4); 1100 1101 aprint_normal_dev(sc->sc_dev, 1102 "ht20_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1103 rp->ht20_tx_pwr_diff[0] & 0xf, rp->ht20_tx_pwr_diff[1] & 0xf, 1104 rp->ht20_tx_pwr_diff[2] & 0xf, 1105 rp->ht20_tx_pwr_diff[0] >> 4, rp->ht20_tx_pwr_diff[1] >> 4, 1106 rp->ht20_tx_pwr_diff[2] >> 4); 1107 1108 aprint_normal_dev(sc->sc_dev, 1109 "ofdm_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1110 rp->ofdm_tx_pwr_diff[0] & 0xf, rp->ofdm_tx_pwr_diff[1] & 0xf, 1111 rp->ofdm_tx_pwr_diff[2] & 0xf, 1112 rp->ofdm_tx_pwr_diff[0] >> 4, rp->ofdm_tx_pwr_diff[1] >> 4, 1113 rp->ofdm_tx_pwr_diff[2] >> 4); 1114 1115 aprint_normal_dev(sc->sc_dev, 1116 "ht40_max_pwr_offset c0: %d %d %d, c1: %d %d %d\n", 1117 rp->ht40_max_pwr[0] & 0xf, rp->ht40_max_pwr[1] & 0xf, 1118 rp->ht40_max_pwr[2] & 0xf, 1119 rp->ht40_max_pwr[0] >> 4, rp->ht40_max_pwr[1] >> 4, 1120 rp->ht40_max_pwr[2] >> 4); 1121 1122 aprint_normal_dev(sc->sc_dev, 1123 "ht20_max_pwr_offset c0: %d %d %d, c1: %d %d %d\n", 1124 rp->ht20_max_pwr[0] & 0xf, rp->ht20_max_pwr[1] & 0xf, 1125 rp->ht20_max_pwr[2] & 0xf, 1126 rp->ht20_max_pwr[0] >> 4, rp->ht20_max_pwr[1] >> 4, 1127 rp->ht20_max_pwr[2] >> 4); 1128 1129 aprint_normal_dev(sc->sc_dev, 1130 "xtal_calib %d, tssi %d %d, thermal %d\n", 1131 rp->xtal_calib, rp->tssi[0], rp->tssi[1], rp->thermal_meter); 1132 1133 aprint_normal_dev(sc->sc_dev, 1134 "rf_opt1 0x%x, rf_opt2 0x%x, rf_opt3 0x%x, rf_opt4 0x%x\n", 1135 rp->rf_opt1, rp->rf_opt2, rp->rf_opt3, rp->rf_opt4); 1136 1137 aprint_normal_dev(sc->sc_dev, 1138 "channnel_plan %d, version %d customer_id 0x%x\n", 1139 rp->channel_plan, rp->version, rp->curstomer_id); 1140 } 1141 #endif 1142 1143 static void 1144 urtwn_read_rom(struct urtwn_softc *sc) 1145 { 1146 struct ieee80211com *ic = &sc->sc_ic; 1147 struct r92c_rom *rom = &sc->rom; 1148 1149 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1150 1151 /* Read full ROM image. */ 1152 urtwn_efuse_read(sc); 1153 #ifdef URTWN_DEBUG 1154 if (urtwn_debug & DBG_REG) 1155 urtwn_dump_rom(sc, rom); 1156 #endif 1157 1158 /* XXX Weird but this is what the vendor driver does. */ 1159 sc->pa_setting = urtwn_efuse_read_1(sc, 0x1fa); 1160 sc->board_type = MS(rom->rf_opt1, R92C_ROM_RF1_BOARD_TYPE); 1161 sc->regulatory = MS(rom->rf_opt1, R92C_ROM_RF1_REGULATORY); 1162 1163 DPRINTFN(DBG_INIT, 1164 ("%s: %s: PA setting=0x%x, board=0x%x, regulatory=%d\n", 1165 device_xname(sc->sc_dev), __func__, sc->pa_setting, 1166 sc->board_type, sc->regulatory)); 1167 1168 IEEE80211_ADDR_COPY(ic->ic_myaddr, rom->macaddr); 1169 } 1170 1171 static int 1172 urtwn_media_change(struct ifnet *ifp) 1173 { 1174 #ifdef URTWN_DEBUG 1175 struct urtwn_softc *sc = ifp->if_softc; 1176 #endif 1177 int error; 1178 1179 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1180 1181 if ((error = ieee80211_media_change(ifp)) != ENETRESET) 1182 return (error); 1183 1184 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1185 (IFF_UP | IFF_RUNNING)) { 1186 urtwn_init(ifp); 1187 } 1188 return (0); 1189 } 1190 1191 /* 1192 * Initialize rate adaptation in firmware. 1193 */ 1194 static int 1195 urtwn_ra_init(struct urtwn_softc *sc) 1196 { 1197 static const uint8_t map[] = { 1198 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 1199 }; 1200 struct ieee80211com *ic = &sc->sc_ic; 1201 struct ieee80211_node *ni = ic->ic_bss; 1202 struct ieee80211_rateset *rs = &ni->ni_rates; 1203 struct r92c_fw_cmd_macid_cfg cmd; 1204 uint32_t rates, basicrates; 1205 uint32_t mask; 1206 uint8_t mode; 1207 int maxrate, maxbasicrate, error, i, j; 1208 1209 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1210 1211 /* Get normal and basic rates mask. */ 1212 rates = basicrates = 0; 1213 maxrate = maxbasicrate = 0; 1214 for (i = 0; i < rs->rs_nrates; i++) { 1215 /* Convert 802.11 rate to HW rate index. */ 1216 for (j = 0; j < (int)__arraycount(map); j++) { 1217 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == map[j]) { 1218 break; 1219 } 1220 } 1221 if (j == __arraycount(map)) { 1222 /* Unknown rate, skip. */ 1223 continue; 1224 } 1225 1226 rates |= 1U << j; 1227 if (j > maxrate) { 1228 maxrate = j; 1229 } 1230 1231 if (rs->rs_rates[i] & IEEE80211_RATE_BASIC) { 1232 basicrates |= 1U << j; 1233 if (j > maxbasicrate) { 1234 maxbasicrate = j; 1235 } 1236 } 1237 } 1238 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1239 mode = R92C_RAID_11B; 1240 } else { 1241 mode = R92C_RAID_11BG; 1242 } 1243 DPRINTFN(DBG_INIT, ("%s: %s: mode=0x%x rates=0x%x, basicrates=0x%x, " 1244 "maxrate=%x, maxbasicrate=%x\n", 1245 device_xname(sc->sc_dev), __func__, mode, rates, basicrates, 1246 maxrate, maxbasicrate)); 1247 if (basicrates == 0) { 1248 basicrates |= 1; /* add 1Mbps */ 1249 } 1250 1251 /* Set rates mask for group addressed frames. */ 1252 cmd.macid = URTWN_MACID_BC | URTWN_MACID_VALID; 1253 mask = (mode << 28) | basicrates; 1254 cmd.mask[0] = (uint8_t)mask; 1255 cmd.mask[1] = (uint8_t)(mask >> 8); 1256 cmd.mask[2] = (uint8_t)(mask >> 16); 1257 cmd.mask[3] = (uint8_t)(mask >> 24); 1258 error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1259 if (error != 0) { 1260 aprint_error_dev(sc->sc_dev, 1261 "could not add broadcast station\n"); 1262 return (error); 1263 } 1264 /* Set initial MRR rate. */ 1265 DPRINTFN(DBG_INIT, ("%s: %s: maxbasicrate=%d\n", 1266 device_xname(sc->sc_dev), __func__, maxbasicrate)); 1267 urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BC), maxbasicrate); 1268 1269 /* Set rates mask for unicast frames. */ 1270 cmd.macid = URTWN_MACID_BSS | URTWN_MACID_VALID; 1271 mask = (mode << 28) | rates; 1272 cmd.mask[0] = (uint8_t)mask; 1273 cmd.mask[1] = (uint8_t)(mask >> 8); 1274 cmd.mask[2] = (uint8_t)(mask >> 16); 1275 cmd.mask[3] = (uint8_t)(mask >> 24); 1276 error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1277 if (error != 0) { 1278 aprint_error_dev(sc->sc_dev, "could not add BSS station\n"); 1279 return (error); 1280 } 1281 /* Set initial MRR rate. */ 1282 DPRINTFN(DBG_INIT, ("%s: %s: maxrate=%d\n", device_xname(sc->sc_dev), 1283 __func__, maxrate)); 1284 urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BSS), maxrate); 1285 1286 /* Indicate highest supported rate. */ 1287 ni->ni_txrate = rs->rs_nrates - 1; 1288 1289 return (0); 1290 } 1291 1292 static int 1293 urtwn_get_nettype(struct urtwn_softc *sc) 1294 { 1295 struct ieee80211com *ic = &sc->sc_ic; 1296 int type; 1297 1298 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1299 1300 switch (ic->ic_opmode) { 1301 case IEEE80211_M_STA: 1302 type = R92C_CR_NETTYPE_INFRA; 1303 break; 1304 1305 case IEEE80211_M_IBSS: 1306 type = R92C_CR_NETTYPE_ADHOC; 1307 break; 1308 1309 default: 1310 type = R92C_CR_NETTYPE_NOLINK; 1311 break; 1312 } 1313 1314 return (type); 1315 } 1316 1317 static void 1318 urtwn_set_nettype0_msr(struct urtwn_softc *sc, uint8_t type) 1319 { 1320 uint8_t reg; 1321 1322 DPRINTFN(DBG_FN, ("%s: %s: type=%d\n", device_xname(sc->sc_dev), 1323 __func__, type)); 1324 1325 reg = urtwn_read_1(sc, R92C_CR + 2) & 0x0c; 1326 urtwn_write_1(sc, R92C_CR + 2, reg | type); 1327 } 1328 1329 static void 1330 urtwn_tsf_sync_enable(struct urtwn_softc *sc) 1331 { 1332 struct ieee80211_node *ni = sc->sc_ic.ic_bss; 1333 uint64_t tsf; 1334 1335 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1336 1337 /* Enable TSF synchronization. */ 1338 urtwn_write_1(sc, R92C_BCN_CTRL, 1339 urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_DIS_TSF_UDT0); 1340 1341 /* Correct TSF */ 1342 urtwn_write_1(sc, R92C_BCN_CTRL, 1343 urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_EN_BCN); 1344 1345 /* Set initial TSF. */ 1346 tsf = ni->ni_tstamp.tsf; 1347 tsf = le64toh(tsf); 1348 tsf = tsf - (tsf % (ni->ni_intval * IEEE80211_DUR_TU)); 1349 tsf -= IEEE80211_DUR_TU; 1350 urtwn_write_4(sc, R92C_TSFTR + 0, (uint32_t)tsf); 1351 urtwn_write_4(sc, R92C_TSFTR + 4, (uint32_t)(tsf >> 32)); 1352 1353 urtwn_write_1(sc, R92C_BCN_CTRL, 1354 urtwn_read_1(sc, R92C_BCN_CTRL) | R92C_BCN_CTRL_EN_BCN); 1355 } 1356 1357 static void 1358 urtwn_set_led(struct urtwn_softc *sc, int led, int on) 1359 { 1360 uint8_t reg; 1361 1362 DPRINTFN(DBG_FN, ("%s: %s: led=%d, on=%d\n", device_xname(sc->sc_dev), 1363 __func__, led, on)); 1364 1365 if (led == URTWN_LED_LINK) { 1366 reg = urtwn_read_1(sc, R92C_LEDCFG0) & 0x70; 1367 if (!on) { 1368 reg |= R92C_LEDCFG0_DIS; 1369 } 1370 urtwn_write_1(sc, R92C_LEDCFG0, reg); 1371 sc->ledlink = on; /* Save LED state. */ 1372 } 1373 } 1374 1375 static void 1376 urtwn_calib_to(void *arg) 1377 { 1378 struct urtwn_softc *sc = arg; 1379 1380 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1381 1382 if (sc->sc_dying) 1383 return; 1384 1385 /* Do it in a process context. */ 1386 urtwn_do_async(sc, urtwn_calib_to_cb, NULL, 0); 1387 } 1388 1389 /* ARGSUSED */ 1390 static void 1391 urtwn_calib_to_cb(struct urtwn_softc *sc, void *arg) 1392 { 1393 struct r92c_fw_cmd_rssi cmd; 1394 1395 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1396 1397 if (sc->sc_ic.ic_state != IEEE80211_S_RUN) 1398 goto restart_timer; 1399 1400 if (sc->avg_pwdb != -1) { 1401 /* Indicate Rx signal strength to FW for rate adaptation. */ 1402 memset(&cmd, 0, sizeof(cmd)); 1403 cmd.macid = 0; /* BSS. */ 1404 cmd.pwdb = sc->avg_pwdb; 1405 DPRINTFN(DBG_RF, ("%s: %s: sending RSSI command avg=%d\n", 1406 device_xname(sc->sc_dev), __func__, sc->avg_pwdb)); 1407 urtwn_fw_cmd(sc, R92C_CMD_RSSI_SETTING, &cmd, sizeof(cmd)); 1408 } 1409 1410 /* Do temperature compensation. */ 1411 urtwn_temp_calib(sc); 1412 1413 restart_timer: 1414 if (!sc->sc_dying) { 1415 /* Restart calibration timer. */ 1416 callout_schedule(&sc->sc_calib_to, hz); 1417 } 1418 } 1419 1420 static void 1421 urtwn_next_scan(void *arg) 1422 { 1423 struct urtwn_softc *sc = arg; 1424 1425 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1426 1427 if (sc->sc_dying) 1428 return; 1429 1430 if (sc->sc_ic.ic_state == IEEE80211_S_SCAN) 1431 ieee80211_next_scan(&sc->sc_ic); 1432 } 1433 1434 static int 1435 urtwn_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 1436 { 1437 struct urtwn_softc *sc = ic->ic_ifp->if_softc; 1438 struct urtwn_cmd_newstate cmd; 1439 1440 DPRINTFN(DBG_FN, ("%s: %s: nstate=%s(%d), arg=%d\n", 1441 device_xname(sc->sc_dev), __func__, 1442 ieee80211_state_name[nstate], nstate, arg)); 1443 1444 callout_stop(&sc->sc_scan_to); 1445 callout_stop(&sc->sc_calib_to); 1446 1447 /* Do it in a process context. */ 1448 cmd.state = nstate; 1449 cmd.arg = arg; 1450 urtwn_do_async(sc, urtwn_newstate_cb, &cmd, sizeof(cmd)); 1451 return (0); 1452 } 1453 1454 static void 1455 urtwn_newstate_cb(struct urtwn_softc *sc, void *arg) 1456 { 1457 struct urtwn_cmd_newstate *cmd = arg; 1458 struct ieee80211com *ic = &sc->sc_ic; 1459 struct ieee80211_node *ni; 1460 enum ieee80211_state ostate = ic->ic_state; 1461 enum ieee80211_state nstate = cmd->state; 1462 uint32_t reg; 1463 uint8_t sifs_time; 1464 int s; 1465 1466 DPRINTFN(DBG_FN|DBG_STM, ("%s: %s: %s(%d)->%s(%d)\n", 1467 device_xname(sc->sc_dev), __func__, 1468 ieee80211_state_name[ostate], ostate, 1469 ieee80211_state_name[nstate], nstate)); 1470 1471 s = splnet(); 1472 1473 switch (ostate) { 1474 case IEEE80211_S_INIT: 1475 break; 1476 1477 case IEEE80211_S_SCAN: 1478 if (nstate != IEEE80211_S_SCAN) { 1479 /* 1480 * End of scanning 1481 */ 1482 /* flush 4-AC Queue after site_survey */ 1483 urtwn_write_1(sc, R92C_TXPAUSE, 0x0); 1484 1485 /* Allow Rx from our BSSID only. */ 1486 urtwn_write_4(sc, R92C_RCR, 1487 urtwn_read_4(sc, R92C_RCR) | 1488 R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN); 1489 } 1490 break; 1491 1492 case IEEE80211_S_AUTH: 1493 case IEEE80211_S_ASSOC: 1494 break; 1495 1496 case IEEE80211_S_RUN: 1497 /* Turn link LED off. */ 1498 urtwn_set_led(sc, URTWN_LED_LINK, 0); 1499 1500 /* Set media status to 'No Link'. */ 1501 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 1502 1503 /* Stop Rx of data frames. */ 1504 urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1505 1506 /* Reset TSF. */ 1507 urtwn_write_1(sc, R92C_DUAL_TSF_RST, 0x03); 1508 1509 /* Disable TSF synchronization. */ 1510 urtwn_write_1(sc, R92C_BCN_CTRL, 1511 urtwn_read_1(sc, R92C_BCN_CTRL) | 1512 R92C_BCN_CTRL_DIS_TSF_UDT0); 1513 1514 /* Back to 20MHz mode */ 1515 urtwn_set_chan(sc, ic->ic_bss->ni_chan, 1516 IEEE80211_HTINFO_2NDCHAN_NONE); 1517 1518 if (ic->ic_opmode == IEEE80211_M_IBSS || 1519 ic->ic_opmode == IEEE80211_M_HOSTAP) { 1520 /* Stop BCN */ 1521 urtwn_write_1(sc, R92C_BCN_CTRL, 1522 urtwn_read_1(sc, R92C_BCN_CTRL) & 1523 ~(R92C_BCN_CTRL_EN_BCN | R92C_BCN_CTRL_TXBCN_RPT)); 1524 } 1525 1526 /* Reset EDCA parameters. */ 1527 urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217); 1528 urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317); 1529 urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320); 1530 urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444); 1531 1532 /* flush all cam entries */ 1533 urtwn_cam_init(sc); 1534 break; 1535 } 1536 1537 switch (nstate) { 1538 case IEEE80211_S_INIT: 1539 /* Turn link LED off. */ 1540 urtwn_set_led(sc, URTWN_LED_LINK, 0); 1541 break; 1542 1543 case IEEE80211_S_SCAN: 1544 if (ostate != IEEE80211_S_SCAN) { 1545 /* 1546 * Begin of scanning 1547 */ 1548 1549 /* Set gain for scanning. */ 1550 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 1551 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 1552 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 1553 1554 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 1555 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 1556 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 1557 1558 /* Set media status to 'No Link'. */ 1559 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 1560 1561 /* Allow Rx from any BSSID. */ 1562 urtwn_write_4(sc, R92C_RCR, 1563 urtwn_read_4(sc, R92C_RCR) & 1564 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 1565 1566 /* Stop Rx of data frames. */ 1567 urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1568 1569 /* Disable update TSF */ 1570 urtwn_write_1(sc, R92C_BCN_CTRL, 1571 urtwn_read_1(sc, R92C_BCN_CTRL) | 1572 R92C_BCN_CTRL_DIS_TSF_UDT0); 1573 } 1574 1575 /* Make link LED blink during scan. */ 1576 urtwn_set_led(sc, URTWN_LED_LINK, !sc->ledlink); 1577 1578 /* Pause AC Tx queues. */ 1579 urtwn_write_1(sc, R92C_TXPAUSE, 1580 urtwn_read_1(sc, R92C_TXPAUSE) | 0x0f); 1581 1582 urtwn_set_chan(sc, ic->ic_curchan, 1583 IEEE80211_HTINFO_2NDCHAN_NONE); 1584 1585 /* Start periodic scan. */ 1586 if (!sc->sc_dying) 1587 callout_schedule(&sc->sc_scan_to, hz / 5); 1588 break; 1589 1590 case IEEE80211_S_AUTH: 1591 /* Set initial gain under link. */ 1592 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 1593 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 1594 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 1595 1596 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 1597 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 1598 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 1599 1600 /* Set media status to 'No Link'. */ 1601 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 1602 1603 /* Allow Rx from any BSSID. */ 1604 urtwn_write_4(sc, R92C_RCR, 1605 urtwn_read_4(sc, R92C_RCR) & 1606 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 1607 1608 urtwn_set_chan(sc, ic->ic_curchan, 1609 IEEE80211_HTINFO_2NDCHAN_NONE); 1610 break; 1611 1612 case IEEE80211_S_ASSOC: 1613 break; 1614 1615 case IEEE80211_S_RUN: 1616 ni = ic->ic_bss; 1617 1618 /* XXX: Set 20MHz mode */ 1619 urtwn_set_chan(sc, ic->ic_curchan, 1620 IEEE80211_HTINFO_2NDCHAN_NONE); 1621 1622 if (ic->ic_opmode == IEEE80211_M_MONITOR) { 1623 /* Back to 20MHz mode */ 1624 urtwn_set_chan(sc, ic->ic_ibss_chan, 1625 IEEE80211_HTINFO_2NDCHAN_NONE); 1626 1627 /* Enable Rx of data frames. */ 1628 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 1629 1630 /* Turn link LED on. */ 1631 urtwn_set_led(sc, URTWN_LED_LINK, 1); 1632 break; 1633 } 1634 1635 /* Set media status to 'Associated'. */ 1636 urtwn_set_nettype0_msr(sc, urtwn_get_nettype(sc)); 1637 1638 /* Set BSSID. */ 1639 urtwn_write_4(sc, R92C_BSSID + 0, LE_READ_4(&ni->ni_bssid[0])); 1640 urtwn_write_4(sc, R92C_BSSID + 4, LE_READ_2(&ni->ni_bssid[4])); 1641 1642 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1643 urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 0); 1644 } else { 1645 /* 802.11b/g */ 1646 urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 3); 1647 } 1648 1649 /* Enable Rx of data frames. */ 1650 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 1651 1652 /* Set beacon interval. */ 1653 urtwn_write_2(sc, R92C_BCN_INTERVAL, ni->ni_intval); 1654 1655 if (ic->ic_opmode == IEEE80211_M_STA) { 1656 /* Allow Rx from our BSSID only. */ 1657 urtwn_write_4(sc, R92C_RCR, 1658 urtwn_read_4(sc, R92C_RCR) | 1659 R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN); 1660 1661 /* Enable TSF synchronization. */ 1662 urtwn_tsf_sync_enable(sc); 1663 } 1664 1665 sifs_time = 10; 1666 urtwn_write_1(sc, R92C_SIFS_CCK + 1, sifs_time); 1667 urtwn_write_1(sc, R92C_SIFS_OFDM + 1, sifs_time); 1668 urtwn_write_1(sc, R92C_SPEC_SIFS + 1, sifs_time); 1669 urtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, sifs_time); 1670 urtwn_write_1(sc, R92C_R2T_SIFS + 1, sifs_time); 1671 urtwn_write_1(sc, R92C_T2T_SIFS + 1, sifs_time); 1672 1673 /* Intialize rate adaptation. */ 1674 urtwn_ra_init(sc); 1675 1676 /* Turn link LED on. */ 1677 urtwn_set_led(sc, URTWN_LED_LINK, 1); 1678 1679 /* Reset average RSSI. */ 1680 sc->avg_pwdb = -1; 1681 1682 /* Reset temperature calibration state machine. */ 1683 sc->thcal_state = 0; 1684 sc->thcal_lctemp = 0; 1685 1686 /* Start periodic calibration. */ 1687 if (!sc->sc_dying) 1688 callout_schedule(&sc->sc_calib_to, hz); 1689 break; 1690 } 1691 1692 (*sc->sc_newstate)(ic, nstate, cmd->arg); 1693 1694 splx(s); 1695 } 1696 1697 static int 1698 urtwn_wme_update(struct ieee80211com *ic) 1699 { 1700 struct urtwn_softc *sc = ic->ic_ifp->if_softc; 1701 1702 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1703 1704 /* don't override default WME values if WME is not actually enabled */ 1705 if (!(ic->ic_flags & IEEE80211_F_WME)) 1706 return (0); 1707 1708 /* Do it in a process context. */ 1709 urtwn_do_async(sc, urtwn_wme_update_cb, NULL, 0); 1710 return (0); 1711 } 1712 1713 static void 1714 urtwn_wme_update_cb(struct urtwn_softc *sc, void *arg) 1715 { 1716 static const uint16_t ac2reg[WME_NUM_AC] = { 1717 R92C_EDCA_BE_PARAM, 1718 R92C_EDCA_BK_PARAM, 1719 R92C_EDCA_VI_PARAM, 1720 R92C_EDCA_VO_PARAM 1721 }; 1722 struct ieee80211com *ic = &sc->sc_ic; 1723 const struct wmeParams *wmep; 1724 int ac, aifs, slottime; 1725 int s; 1726 1727 DPRINTFN(DBG_FN|DBG_STM, ("%s: %s\n", device_xname(sc->sc_dev), 1728 __func__)); 1729 1730 s = splnet(); 1731 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 1732 for (ac = 0; ac < WME_NUM_AC; ac++) { 1733 wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac]; 1734 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 1735 aifs = wmep->wmep_aifsn * slottime + 10; 1736 urtwn_write_4(sc, ac2reg[ac], 1737 SM(R92C_EDCA_PARAM_TXOP, wmep->wmep_txopLimit) | 1738 SM(R92C_EDCA_PARAM_ECWMIN, wmep->wmep_logcwmin) | 1739 SM(R92C_EDCA_PARAM_ECWMAX, wmep->wmep_logcwmax) | 1740 SM(R92C_EDCA_PARAM_AIFS, aifs)); 1741 } 1742 splx(s); 1743 } 1744 1745 static void 1746 urtwn_update_avgrssi(struct urtwn_softc *sc, int rate, int8_t rssi) 1747 { 1748 int pwdb; 1749 1750 DPRINTFN(DBG_FN, ("%s: %s: rate=%d, rsst=%d\n", 1751 device_xname(sc->sc_dev), __func__, rate, rssi)); 1752 1753 /* Convert antenna signal to percentage. */ 1754 if (rssi <= -100 || rssi >= 20) 1755 pwdb = 0; 1756 else if (rssi >= 0) 1757 pwdb = 100; 1758 else 1759 pwdb = 100 + rssi; 1760 if (rate <= 3) { 1761 /* CCK gain is smaller than OFDM/MCS gain. */ 1762 pwdb += 6; 1763 if (pwdb > 100) 1764 pwdb = 100; 1765 if (pwdb <= 14) 1766 pwdb -= 4; 1767 else if (pwdb <= 26) 1768 pwdb -= 8; 1769 else if (pwdb <= 34) 1770 pwdb -= 6; 1771 else if (pwdb <= 42) 1772 pwdb -= 2; 1773 } 1774 if (sc->avg_pwdb == -1) /* Init. */ 1775 sc->avg_pwdb = pwdb; 1776 else if (sc->avg_pwdb < pwdb) 1777 sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20) + 1; 1778 else 1779 sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20); 1780 1781 DPRINTFN(DBG_RF, ("%s: %s: PWDB=%d EMA=%d\n", device_xname(sc->sc_dev), 1782 __func__, pwdb, sc->avg_pwdb)); 1783 } 1784 1785 static int8_t 1786 urtwn_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 1787 { 1788 static const int8_t cckoff[] = { 16, -12, -26, -46 }; 1789 struct r92c_rx_phystat *phy; 1790 struct r92c_rx_cck *cck; 1791 uint8_t rpt; 1792 int8_t rssi; 1793 1794 DPRINTFN(DBG_FN, ("%s: %s: rate=%d\n", device_xname(sc->sc_dev), 1795 __func__, rate)); 1796 1797 if (rate <= 3) { 1798 cck = (struct r92c_rx_cck *)physt; 1799 if (ISSET(sc->sc_flags, URTWN_FLAG_CCK_HIPWR)) { 1800 rpt = (cck->agc_rpt >> 5) & 0x3; 1801 rssi = (cck->agc_rpt & 0x1f) << 1; 1802 } else { 1803 rpt = (cck->agc_rpt >> 6) & 0x3; 1804 rssi = cck->agc_rpt & 0x3e; 1805 } 1806 rssi = cckoff[rpt] - rssi; 1807 } else { /* OFDM/HT. */ 1808 phy = (struct r92c_rx_phystat *)physt; 1809 rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 1810 } 1811 return (rssi); 1812 } 1813 1814 static void 1815 urtwn_rx_frame(struct urtwn_softc *sc, uint8_t *buf, int pktlen) 1816 { 1817 struct ieee80211com *ic = &sc->sc_ic; 1818 struct ifnet *ifp = ic->ic_ifp; 1819 struct ieee80211_frame *wh; 1820 struct ieee80211_node *ni; 1821 struct r92c_rx_stat *stat; 1822 uint32_t rxdw0, rxdw3; 1823 struct mbuf *m; 1824 uint8_t rate; 1825 int8_t rssi = 0; 1826 int s, infosz; 1827 1828 DPRINTFN(DBG_FN, ("%s: %s: buf=%p, pktlen=%d\n", 1829 device_xname(sc->sc_dev), __func__, buf, pktlen)); 1830 1831 stat = (struct r92c_rx_stat *)buf; 1832 rxdw0 = le32toh(stat->rxdw0); 1833 rxdw3 = le32toh(stat->rxdw3); 1834 1835 if (__predict_false(rxdw0 & (R92C_RXDW0_CRCERR | R92C_RXDW0_ICVERR))) { 1836 /* 1837 * This should not happen since we setup our Rx filter 1838 * to not receive these frames. 1839 */ 1840 DPRINTFN(DBG_RX, ("%s: %s: CRC error\n", 1841 device_xname(sc->sc_dev), __func__)); 1842 ifp->if_ierrors++; 1843 return; 1844 } 1845 if (__predict_false(pktlen < (int)sizeof(*wh))) { 1846 DPRINTFN(DBG_RX, ("%s: %s: packet too short %d\n", 1847 device_xname(sc->sc_dev), __func__, pktlen)); 1848 ic->ic_stats.is_rx_tooshort++; 1849 ifp->if_ierrors++; 1850 return; 1851 } 1852 if (__predict_false(pktlen > MCLBYTES)) { 1853 DPRINTFN(DBG_RX, ("%s: %s: packet too big %d\n", 1854 device_xname(sc->sc_dev), __func__, pktlen)); 1855 ifp->if_ierrors++; 1856 return; 1857 } 1858 1859 rate = MS(rxdw3, R92C_RXDW3_RATE); 1860 infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 1861 1862 /* Get RSSI from PHY status descriptor if present. */ 1863 if (infosz != 0 && (rxdw0 & R92C_RXDW0_PHYST)) { 1864 rssi = urtwn_get_rssi(sc, rate, &stat[1]); 1865 /* Update our average RSSI. */ 1866 urtwn_update_avgrssi(sc, rate, rssi); 1867 } 1868 1869 DPRINTFN(DBG_RX, ("%s: %s: Rx frame len=%d rate=%d infosz=%d rssi=%d\n", 1870 device_xname(sc->sc_dev), __func__, pktlen, rate, infosz, rssi)); 1871 1872 MGETHDR(m, M_DONTWAIT, MT_DATA); 1873 if (__predict_false(m == NULL)) { 1874 aprint_error_dev(sc->sc_dev, "couldn't allocate rx mbuf\n"); 1875 ic->ic_stats.is_rx_nobuf++; 1876 ifp->if_ierrors++; 1877 return; 1878 } 1879 if (pktlen > (int)MHLEN) { 1880 MCLGET(m, M_DONTWAIT); 1881 if (__predict_false(!(m->m_flags & M_EXT))) { 1882 aprint_error_dev(sc->sc_dev, 1883 "couldn't allocate rx mbuf cluster\n"); 1884 m_freem(m); 1885 ic->ic_stats.is_rx_nobuf++; 1886 ifp->if_ierrors++; 1887 return; 1888 } 1889 } 1890 1891 /* Finalize mbuf. */ 1892 m->m_pkthdr.rcvif = ifp; 1893 wh = (struct ieee80211_frame *)((uint8_t *)&stat[1] + infosz); 1894 memcpy(mtod(m, uint8_t *), wh, pktlen); 1895 m->m_pkthdr.len = m->m_len = pktlen; 1896 1897 s = splnet(); 1898 if (__predict_false(sc->sc_drvbpf != NULL)) { 1899 struct urtwn_rx_radiotap_header *tap = &sc->sc_rxtap; 1900 1901 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1902 if (!(rxdw3 & R92C_RXDW3_HT)) { 1903 switch (rate) { 1904 /* CCK. */ 1905 case 0: tap->wr_rate = 2; break; 1906 case 1: tap->wr_rate = 4; break; 1907 case 2: tap->wr_rate = 11; break; 1908 case 3: tap->wr_rate = 22; break; 1909 /* OFDM. */ 1910 case 4: tap->wr_rate = 12; break; 1911 case 5: tap->wr_rate = 18; break; 1912 case 6: tap->wr_rate = 24; break; 1913 case 7: tap->wr_rate = 36; break; 1914 case 8: tap->wr_rate = 48; break; 1915 case 9: tap->wr_rate = 72; break; 1916 case 10: tap->wr_rate = 96; break; 1917 case 11: tap->wr_rate = 108; break; 1918 } 1919 } else if (rate >= 12) { /* MCS0~15. */ 1920 /* Bit 7 set means HT MCS instead of rate. */ 1921 tap->wr_rate = 0x80 | (rate - 12); 1922 } 1923 tap->wr_dbm_antsignal = rssi; 1924 tap->wr_chan_freq = htole16(ic->ic_ibss_chan->ic_freq); 1925 tap->wr_chan_flags = htole16(ic->ic_ibss_chan->ic_flags); 1926 1927 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1928 } 1929 1930 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1931 1932 /* push the frame up to the 802.11 stack */ 1933 ieee80211_input(ic, m, ni, rssi, 0); 1934 1935 /* Node is no longer needed. */ 1936 ieee80211_free_node(ni); 1937 1938 splx(s); 1939 } 1940 1941 static void 1942 urtwn_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1943 { 1944 struct urtwn_rx_data *data = priv; 1945 struct urtwn_softc *sc = data->sc; 1946 struct r92c_rx_stat *stat; 1947 uint32_t rxdw0; 1948 uint8_t *buf; 1949 int len, totlen, pktlen, infosz, npkts; 1950 1951 DPRINTFN(DBG_FN|DBG_RX, ("%s: %s: status=%d\n", 1952 device_xname(sc->sc_dev), __func__, status)); 1953 1954 if (__predict_false(status != USBD_NORMAL_COMPLETION)) { 1955 if (status == USBD_STALLED) 1956 usbd_clear_endpoint_stall_async(sc->rx_pipe); 1957 else if (status != USBD_CANCELLED) 1958 goto resubmit; 1959 return; 1960 } 1961 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1962 1963 if (__predict_false(len < (int)sizeof(*stat))) { 1964 DPRINTFN(DBG_RX, ("%s: %s: xfer too short %d\n", 1965 device_xname(sc->sc_dev), __func__, len)); 1966 goto resubmit; 1967 } 1968 buf = data->buf; 1969 1970 /* Get the number of encapsulated frames. */ 1971 stat = (struct r92c_rx_stat *)buf; 1972 npkts = MS(le32toh(stat->rxdw2), R92C_RXDW2_PKTCNT); 1973 DPRINTFN(DBG_RX, ("%s: %s: Rx %d frames in one chunk\n", 1974 device_xname(sc->sc_dev), __func__, npkts)); 1975 1976 /* Process all of them. */ 1977 while (npkts-- > 0) { 1978 if (__predict_false(len < (int)sizeof(*stat))) { 1979 DPRINTFN(DBG_RX, 1980 ("%s: %s: len(%d) is short than header\n", 1981 device_xname(sc->sc_dev), __func__, len)); 1982 break; 1983 } 1984 stat = (struct r92c_rx_stat *)buf; 1985 rxdw0 = le32toh(stat->rxdw0); 1986 1987 pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); 1988 if (__predict_false(pktlen == 0)) { 1989 DPRINTFN(DBG_RX, ("%s: %s: pktlen is 0 byte\n", 1990 device_xname(sc->sc_dev), __func__)); 1991 break; 1992 } 1993 1994 infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 1995 1996 /* Make sure everything fits in xfer. */ 1997 totlen = sizeof(*stat) + infosz + pktlen; 1998 if (__predict_false(totlen > len)) { 1999 DPRINTFN(DBG_RX, ("%s: %s: pktlen %d(%d+%d+%d) > %d\n", 2000 device_xname(sc->sc_dev), __func__, totlen, 2001 (int)sizeof(*stat), infosz, pktlen, len)); 2002 break; 2003 } 2004 2005 /* Process 802.11 frame. */ 2006 urtwn_rx_frame(sc, buf, pktlen); 2007 2008 /* Next chunk is 128-byte aligned. */ 2009 totlen = roundup2(totlen, 128); 2010 buf += totlen; 2011 len -= totlen; 2012 } 2013 2014 resubmit: 2015 /* Setup a new transfer. */ 2016 usbd_setup_xfer(xfer, sc->rx_pipe, data, data->buf, URTWN_RXBUFSZ, 2017 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, urtwn_rxeof); 2018 (void)usbd_transfer(xfer); 2019 } 2020 2021 static void 2022 urtwn_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2023 { 2024 struct urtwn_tx_data *data = priv; 2025 struct urtwn_softc *sc = data->sc; 2026 struct ifnet *ifp = &sc->sc_if; 2027 int s; 2028 2029 DPRINTFN(DBG_FN|DBG_TX, ("%s: %s: status=%d\n", 2030 device_xname(sc->sc_dev), __func__, status)); 2031 2032 mutex_enter(&sc->sc_tx_mtx); 2033 /* Put this Tx buffer back to our free list. */ 2034 TAILQ_INSERT_TAIL(&sc->tx_free_list, data, next); 2035 mutex_exit(&sc->sc_tx_mtx); 2036 2037 if (__predict_false(status != USBD_NORMAL_COMPLETION)) { 2038 if (status != USBD_NOT_STARTED && status != USBD_CANCELLED) { 2039 if (status == USBD_STALLED) 2040 usbd_clear_endpoint_stall_async(data->pipe); 2041 ifp->if_oerrors++; 2042 } 2043 return; 2044 } 2045 2046 ifp->if_opackets++; 2047 2048 s = splnet(); 2049 sc->tx_timer = 0; 2050 ifp->if_flags &= ~IFF_OACTIVE; 2051 splx(s); 2052 2053 urtwn_start(ifp); 2054 } 2055 2056 static int 2057 urtwn_tx(struct urtwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2058 { 2059 struct ieee80211com *ic = &sc->sc_ic; 2060 struct ieee80211_frame *wh; 2061 struct ieee80211_key *k = NULL; 2062 struct urtwn_tx_data *data; 2063 struct r92c_tx_desc *txd; 2064 usbd_pipe_handle pipe; 2065 uint16_t seq, sum; 2066 uint8_t raid, type, tid, qid; 2067 int i, s, hasqos, xferlen, padsize, error; 2068 2069 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2070 2071 wh = mtod(m, struct ieee80211_frame *); 2072 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2073 2074 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2075 k = ieee80211_crypto_encap(ic, ni, m); 2076 if (k == NULL) { 2077 m_freem(m); 2078 return (ENOBUFS); 2079 } 2080 /* packet header may have moved, reset our local pointer */ 2081 wh = mtod(m, struct ieee80211_frame *); 2082 } 2083 2084 if (__predict_false(sc->sc_drvbpf != NULL)) { 2085 struct urtwn_tx_radiotap_header *tap = &sc->sc_txtap; 2086 2087 tap->wt_flags = 0; 2088 tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq); 2089 tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags); 2090 if (wh->i_fc[1] & IEEE80211_FC1_WEP) 2091 tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2092 2093 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m); 2094 } 2095 2096 if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) { 2097 /* data frames in 11n mode */ 2098 struct ieee80211_qosframe *qwh = (void *)wh; 2099 tid = qwh->i_qos[0] & IEEE80211_QOS_TID; 2100 qid = TID_TO_WME_AC(tid); 2101 } else if (type != IEEE80211_FC0_TYPE_DATA) { 2102 /* Use AC_VO for management frames. */ 2103 qid = WME_AC_VO; 2104 tid = 0; /* compiler happy */ 2105 } else { 2106 /* non-qos data frames */ 2107 tid = R92C_TXDW1_QSEL_BE; 2108 qid = WME_AC_BE; 2109 } 2110 2111 /* Get the USB pipe to use for this AC. */ 2112 pipe = sc->tx_pipe[sc->ac2idx[qid]]; 2113 2114 /* Grab a Tx buffer from our free list. */ 2115 mutex_enter(&sc->sc_tx_mtx); 2116 data = TAILQ_FIRST(&sc->tx_free_list); 2117 TAILQ_REMOVE(&sc->tx_free_list, data, next); 2118 mutex_exit(&sc->sc_tx_mtx); 2119 2120 if (((sizeof(*txd) + m->m_pkthdr.len) % 64) == 0) /* XXX: 64 */ 2121 padsize = 8; 2122 else 2123 padsize = 0; 2124 2125 /* Fill Tx descriptor. */ 2126 txd = (struct r92c_tx_desc *)data->buf; 2127 memset(txd, 0, sizeof(*txd) + padsize); 2128 2129 txd->txdw0 |= htole32( 2130 SM(R92C_TXDW0_PKTLEN, m->m_pkthdr.len) | 2131 SM(R92C_TXDW0_OFFSET, sizeof(*txd)) | 2132 R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 2133 2134 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2135 txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 2136 2137 /* fix pad field */ 2138 if (padsize > 0) { 2139 DPRINTFN(DBG_TX, ("%s: %s: padding: size=%d\n", 2140 device_xname(sc->sc_dev), __func__, padsize)); 2141 txd->txdw1 |= htole32(SM(R92C_TXDW1_PKTOFF, (padsize / 8))); 2142 } 2143 2144 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 2145 type == IEEE80211_FC0_TYPE_DATA) { 2146 if (ic->ic_curmode == IEEE80211_MODE_11B) 2147 raid = R92C_RAID_11B; 2148 else 2149 raid = R92C_RAID_11BG; 2150 DPRINTFN(DBG_TX, 2151 ("%s: %s: data packet: tid=%d, raid=%d\n", 2152 device_xname(sc->sc_dev), __func__, tid, raid)); 2153 2154 txd->txdw1 |= htole32( 2155 SM(R92C_TXDW1_MACID, URTWN_MACID_BSS) | 2156 SM(R92C_TXDW1_QSEL, tid) | 2157 SM(R92C_TXDW1_RAID, raid) | 2158 R92C_TXDW1_AGGBK); 2159 2160 if (hasqos) { 2161 txd->txdw4 |= htole32(R92C_TXDW4_QOS); 2162 } 2163 2164 if (ic->ic_flags & IEEE80211_F_USEPROT) { 2165 /* for 11g */ 2166 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 2167 txd->txdw4 |= htole32(R92C_TXDW4_CTS2SELF | 2168 R92C_TXDW4_HWRTSEN); 2169 } else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) { 2170 txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 2171 R92C_TXDW4_HWRTSEN); 2172 } 2173 } 2174 /* Send RTS at OFDM24. */ 2175 txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, 8)); 2176 txd->txdw5 |= htole32(0x0001ff00); 2177 /* Send data at OFDM54. */ 2178 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 11)); 2179 } else if (type == IEEE80211_FC0_TYPE_MGT) { 2180 DPRINTFN(DBG_TX, ("%s: %s: mgmt packet\n", 2181 device_xname(sc->sc_dev), __func__)); 2182 txd->txdw1 |= htole32( 2183 SM(R92C_TXDW1_MACID, URTWN_MACID_BSS) | 2184 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_MGNT) | 2185 SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 2186 2187 /* Force CCK1. */ 2188 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 2189 /* Use 1Mbps */ 2190 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 2191 } else { 2192 /* broadcast or multicast packets */ 2193 DPRINTFN(DBG_TX, ("%s: %s: bc or mc packet\n", 2194 device_xname(sc->sc_dev), __func__)); 2195 txd->txdw1 |= htole32( 2196 SM(R92C_TXDW1_MACID, URTWN_MACID_BC) | 2197 SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 2198 2199 /* Force CCK1. */ 2200 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 2201 /* Use 1Mbps */ 2202 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 2203 } 2204 2205 /* Set sequence number */ 2206 seq = LE_READ_2(&wh->i_seq[0]) >> IEEE80211_SEQ_SEQ_SHIFT; 2207 txd->txdseq |= htole16(seq); 2208 2209 if (!hasqos) { 2210 /* Use HW sequence numbering for non-QoS frames. */ 2211 txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ); 2212 txd->txdseq |= htole16(0x8000); /* WTF? */ 2213 } 2214 2215 /* Compute Tx descriptor checksum. */ 2216 sum = 0; 2217 for (i = 0; i < (int)sizeof(*txd) / 2; i++) 2218 sum ^= ((uint16_t *)txd)[i]; 2219 txd->txdsum = sum; /* NB: already little endian. */ 2220 2221 xferlen = sizeof(*txd) + m->m_pkthdr.len + padsize; 2222 m_copydata(m, 0, m->m_pkthdr.len, (char *)&txd[1] + padsize); 2223 m_freem(m); 2224 2225 s = splnet(); 2226 data->pipe = pipe; 2227 usbd_setup_xfer(data->xfer, pipe, data, data->buf, xferlen, 2228 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, URTWN_TX_TIMEOUT, 2229 urtwn_txeof); 2230 error = usbd_transfer(data->xfer); 2231 if (__predict_false(error != USBD_NORMAL_COMPLETION && 2232 error != USBD_IN_PROGRESS)) { 2233 splx(s); 2234 DPRINTFN(DBG_TX, ("%s: %s: transfer failed %d\n", 2235 device_xname(sc->sc_dev), __func__, error)); 2236 mutex_enter(&sc->sc_tx_mtx); 2237 /* Put this Tx buffer back to our free list. */ 2238 TAILQ_INSERT_TAIL(&sc->tx_free_list, data, next); 2239 mutex_exit(&sc->sc_tx_mtx); 2240 return (error); 2241 } 2242 splx(s); 2243 ieee80211_free_node(ni); 2244 return (0); 2245 } 2246 2247 static void 2248 urtwn_start(struct ifnet *ifp) 2249 { 2250 struct urtwn_softc *sc = ifp->if_softc; 2251 struct ieee80211com *ic = &sc->sc_ic; 2252 struct ether_header *eh; 2253 struct ieee80211_node *ni; 2254 struct mbuf *m; 2255 2256 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2257 2258 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 2259 return; 2260 2261 for (;;) { 2262 mutex_enter(&sc->sc_tx_mtx); 2263 if (TAILQ_EMPTY(&sc->tx_free_list)) { 2264 mutex_exit(&sc->sc_tx_mtx); 2265 ifp->if_flags |= IFF_OACTIVE; 2266 break; 2267 } 2268 mutex_exit(&sc->sc_tx_mtx); 2269 2270 /* Send pending management frames first. */ 2271 IF_DEQUEUE(&ic->ic_mgtq, m); 2272 if (m != NULL) { 2273 ni = (void *)m->m_pkthdr.rcvif; 2274 m->m_pkthdr.rcvif = NULL; 2275 goto sendit; 2276 } 2277 if (ic->ic_state != IEEE80211_S_RUN) 2278 break; 2279 2280 /* Encapsulate and send data frames. */ 2281 IFQ_DEQUEUE(&ifp->if_snd, m); 2282 if (m == NULL) 2283 break; 2284 if (m->m_len < (int)sizeof(*eh) && 2285 (m = m_pullup(m, sizeof(*eh))) == NULL) { 2286 ifp->if_oerrors++; 2287 continue; 2288 } 2289 eh = mtod(m, struct ether_header *); 2290 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2291 if (ni == NULL) { 2292 m_freem(m); 2293 ifp->if_oerrors++; 2294 continue; 2295 } 2296 2297 bpf_mtap(ifp, m); 2298 2299 if ((m = ieee80211_encap(ic, m, ni)) == NULL) { 2300 ieee80211_free_node(ni); 2301 ifp->if_oerrors++; 2302 continue; 2303 } 2304 sendit: 2305 bpf_mtap3(ic->ic_rawbpf, m); 2306 2307 if (urtwn_tx(sc, m, ni) != 0) { 2308 ieee80211_free_node(ni); 2309 ifp->if_oerrors++; 2310 continue; 2311 } 2312 2313 sc->tx_timer = 5; 2314 ifp->if_timer = 1; 2315 } 2316 } 2317 2318 static void 2319 urtwn_watchdog(struct ifnet *ifp) 2320 { 2321 struct urtwn_softc *sc = ifp->if_softc; 2322 2323 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2324 2325 ifp->if_timer = 0; 2326 2327 if (sc->tx_timer > 0) { 2328 if (--sc->tx_timer == 0) { 2329 aprint_error_dev(sc->sc_dev, "device timeout\n"); 2330 /* urtwn_init(ifp); XXX needs a process context! */ 2331 ifp->if_oerrors++; 2332 return; 2333 } 2334 ifp->if_timer = 1; 2335 } 2336 ieee80211_watchdog(&sc->sc_ic); 2337 } 2338 2339 static int 2340 urtwn_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2341 { 2342 struct urtwn_softc *sc = ifp->if_softc; 2343 struct ieee80211com *ic = &sc->sc_ic; 2344 struct ifaddr *ifa; 2345 int s, error = 0; 2346 2347 DPRINTFN(DBG_FN, ("%s: %s: cmd=0x%08lx, data=%p\n", 2348 device_xname(sc->sc_dev), __func__, cmd, data)); 2349 2350 s = splnet(); 2351 2352 switch (cmd) { 2353 case SIOCSIFADDR: 2354 ifa = (struct ifaddr *)data; 2355 ifp->if_flags |= IFF_UP; 2356 #ifdef INET 2357 if (ifa->ifa_addr->sa_family == AF_INET) 2358 arp_ifinit(&ic->ic_ac, ifa); 2359 #endif 2360 /*FALLTHROUGH*/ 2361 case SIOCSIFFLAGS: 2362 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2363 break; 2364 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2365 case IFF_UP|IFF_RUNNING: 2366 break; 2367 case IFF_UP: 2368 urtwn_init(ifp); 2369 break; 2370 case IFF_RUNNING: 2371 urtwn_stop(ifp, 1); 2372 break; 2373 case 0: 2374 break; 2375 } 2376 break; 2377 2378 case SIOCADDMULTI: 2379 case SIOCDELMULTI: 2380 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { 2381 /* setup multicast filter, etc */ 2382 error = 0; 2383 } 2384 break; 2385 2386 case SIOCS80211CHANNEL: 2387 error = ieee80211_ioctl(ic, cmd, data); 2388 if (error == ENETRESET && 2389 ic->ic_opmode == IEEE80211_M_MONITOR) { 2390 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 2391 (IFF_UP | IFF_RUNNING)) { 2392 urtwn_set_chan(sc, ic->ic_ibss_chan, 2393 IEEE80211_HTINFO_2NDCHAN_NONE); 2394 } 2395 error = 0; 2396 } 2397 break; 2398 2399 default: 2400 error = ieee80211_ioctl(ic, cmd, data); 2401 break; 2402 } 2403 if (error == ENETRESET) { 2404 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 2405 (IFF_UP | IFF_RUNNING)) { 2406 urtwn_init(ifp); 2407 } 2408 error = 0; 2409 } 2410 2411 splx(s); 2412 2413 return (error); 2414 } 2415 2416 static int 2417 urtwn_power_on(struct urtwn_softc *sc) 2418 { 2419 uint32_t reg; 2420 int ntries; 2421 2422 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2423 2424 /* Wait for autoload done bit. */ 2425 for (ntries = 0; ntries < 1000; ntries++) { 2426 if (urtwn_read_1(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_PFM_ALDN) 2427 break; 2428 DELAY(5); 2429 } 2430 if (ntries == 1000) { 2431 aprint_error_dev(sc->sc_dev, 2432 "timeout waiting for chip autoload\n"); 2433 return (ETIMEDOUT); 2434 } 2435 2436 /* Unlock ISO/CLK/Power control register. */ 2437 urtwn_write_1(sc, R92C_RSV_CTRL, 0); 2438 /* Move SPS into PWM mode. */ 2439 urtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b); 2440 DELAY(100); 2441 2442 reg = urtwn_read_1(sc, R92C_LDOV12D_CTRL); 2443 if (!(reg & R92C_LDOV12D_CTRL_LDV12_EN)) { 2444 urtwn_write_1(sc, R92C_LDOV12D_CTRL, 2445 reg | R92C_LDOV12D_CTRL_LDV12_EN); 2446 DELAY(100); 2447 urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 2448 urtwn_read_1(sc, R92C_SYS_ISO_CTRL) & 2449 ~R92C_SYS_ISO_CTRL_MD2PP); 2450 } 2451 2452 /* Auto enable WLAN. */ 2453 urtwn_write_2(sc, R92C_APS_FSMCO, 2454 urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 2455 for (ntries = 0; ntries < 1000; ntries++) { 2456 if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 2457 R92C_APS_FSMCO_APFM_ONMAC)) 2458 break; 2459 DELAY(5); 2460 } 2461 if (ntries == 1000) { 2462 aprint_error_dev(sc->sc_dev, 2463 "timeout waiting for MAC auto ON\n"); 2464 return (ETIMEDOUT); 2465 } 2466 2467 /* Enable radio, GPIO and LED functions. */ 2468 KASSERT((R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_PDN_EN | 2469 R92C_APS_FSMCO_PFM_ALDN) == 0x0812); 2470 urtwn_write_2(sc, R92C_APS_FSMCO, 2471 R92C_APS_FSMCO_AFSM_HSUS | 2472 R92C_APS_FSMCO_PDN_EN | 2473 R92C_APS_FSMCO_PFM_ALDN); 2474 2475 /* Release RF digital isolation. */ 2476 urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 2477 urtwn_read_2(sc, R92C_SYS_ISO_CTRL) & ~R92C_SYS_ISO_CTRL_DIOR); 2478 2479 /* Initialize MAC. */ 2480 urtwn_write_1(sc, R92C_APSD_CTRL, 2481 urtwn_read_1(sc, R92C_APSD_CTRL) & ~R92C_APSD_CTRL_OFF); 2482 for (ntries = 0; ntries < 200; ntries++) { 2483 if (!(urtwn_read_1(sc, R92C_APSD_CTRL) & 2484 R92C_APSD_CTRL_OFF_STATUS)) 2485 break; 2486 DELAY(5); 2487 } 2488 if (ntries == 200) { 2489 aprint_error_dev(sc->sc_dev, 2490 "timeout waiting for MAC initialization\n"); 2491 return (ETIMEDOUT); 2492 } 2493 2494 /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 2495 reg = urtwn_read_2(sc, R92C_CR); 2496 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 2497 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 2498 R92C_CR_SCHEDULE_EN | R92C_CR_MACTXEN | R92C_CR_MACRXEN | 2499 R92C_CR_ENSEC; 2500 urtwn_write_2(sc, R92C_CR, reg); 2501 2502 urtwn_write_1(sc, 0xfe10, 0x19); 2503 return (0); 2504 } 2505 2506 static int 2507 urtwn_llt_init(struct urtwn_softc *sc) 2508 { 2509 int i, error; 2510 2511 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2512 2513 /* Reserve pages [0; R92C_TX_PAGE_COUNT]. */ 2514 for (i = 0; i < R92C_TX_PAGE_COUNT; i++) { 2515 if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 2516 return (error); 2517 } 2518 /* NB: 0xff indicates end-of-list. */ 2519 if ((error = urtwn_llt_write(sc, i, 0xff)) != 0) 2520 return (error); 2521 /* 2522 * Use pages [R92C_TX_PAGE_COUNT + 1; R92C_TXPKTBUF_COUNT - 1] 2523 * as ring buffer. 2524 */ 2525 for (++i; i < R92C_TXPKTBUF_COUNT - 1; i++) { 2526 if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 2527 return (error); 2528 } 2529 /* Make the last page point to the beginning of the ring buffer. */ 2530 error = urtwn_llt_write(sc, i, R92C_TX_PAGE_COUNT + 1); 2531 return (error); 2532 } 2533 2534 static void 2535 urtwn_fw_reset(struct urtwn_softc *sc) 2536 { 2537 uint16_t reg; 2538 int ntries; 2539 2540 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2541 2542 /* Tell 8051 to reset itself. */ 2543 urtwn_write_1(sc, R92C_HMETFR + 3, 0x20); 2544 2545 /* Wait until 8051 resets by itself. */ 2546 for (ntries = 0; ntries < 100; ntries++) { 2547 reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 2548 if (!(reg & R92C_SYS_FUNC_EN_CPUEN)) 2549 return; 2550 DELAY(50); 2551 } 2552 /* Force 8051 reset. */ 2553 urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN); 2554 } 2555 2556 static int 2557 urtwn_fw_loadpage(struct urtwn_softc *sc, int page, uint8_t *buf, int len) 2558 { 2559 uint32_t reg; 2560 int off, mlen, error = 0; 2561 2562 DPRINTFN(DBG_FN, ("%s: %s: page=%d, buf=%p, len=%d\n", 2563 device_xname(sc->sc_dev), __func__, page, buf, len)); 2564 2565 reg = urtwn_read_4(sc, R92C_MCUFWDL); 2566 reg = RW(reg, R92C_MCUFWDL_PAGE, page); 2567 urtwn_write_4(sc, R92C_MCUFWDL, reg); 2568 2569 off = R92C_FW_START_ADDR; 2570 while (len > 0) { 2571 if (len > 196) 2572 mlen = 196; 2573 else if (len > 4) 2574 mlen = 4; 2575 else 2576 mlen = 1; 2577 error = urtwn_write_region(sc, off, buf, mlen); 2578 if (error != 0) 2579 break; 2580 off += mlen; 2581 buf += mlen; 2582 len -= mlen; 2583 } 2584 return (error); 2585 } 2586 2587 static int 2588 urtwn_load_firmware(struct urtwn_softc *sc) 2589 { 2590 firmware_handle_t fwh; 2591 const struct r92c_fw_hdr *hdr; 2592 const char *name; 2593 u_char *fw, *ptr; 2594 size_t len; 2595 uint32_t reg; 2596 int mlen, ntries, page, error; 2597 2598 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2599 2600 /* Read firmware image from the filesystem. */ 2601 if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 2602 URTWN_CHIP_UMC_A_CUT) 2603 name = "urtwn-rtl8192cfwU"; 2604 else 2605 name = "urtwn-rtl8192cfwT"; 2606 if ((error = firmware_open("urtwn", name, &fwh)) != 0) { 2607 aprint_error_dev(sc->sc_dev, 2608 "failed loadfirmware of file %s (error %d)\n", name, error); 2609 return (error); 2610 } 2611 len = firmware_get_size(fwh); 2612 fw = firmware_malloc(len); 2613 if (fw == NULL) { 2614 aprint_error_dev(sc->sc_dev, 2615 "failed to allocate firmware memory\n"); 2616 firmware_close(fwh); 2617 return (ENOMEM); 2618 } 2619 error = firmware_read(fwh, 0, fw, len); 2620 firmware_close(fwh); 2621 if (error != 0) { 2622 aprint_error_dev(sc->sc_dev, 2623 "failed to read firmware (error %d)\n", error); 2624 firmware_free(fw, 0); 2625 return (error); 2626 } 2627 2628 ptr = fw; 2629 hdr = (const struct r92c_fw_hdr *)ptr; 2630 /* Check if there is a valid FW header and skip it. */ 2631 if ((le16toh(hdr->signature) >> 4) == 0x88c || 2632 (le16toh(hdr->signature) >> 4) == 0x92c) { 2633 DPRINTFN(DBG_INIT, ("%s: %s: FW V%d.%d %02d-%02d %02d:%02d\n", 2634 device_xname(sc->sc_dev), __func__, 2635 le16toh(hdr->version), le16toh(hdr->subversion), 2636 hdr->month, hdr->date, hdr->hour, hdr->minute)); 2637 ptr += sizeof(*hdr); 2638 len -= sizeof(*hdr); 2639 } 2640 2641 if (urtwn_read_1(sc, R92C_MCUFWDL) & 0x80) { 2642 urtwn_fw_reset(sc); 2643 urtwn_write_1(sc, R92C_MCUFWDL, 0); 2644 } 2645 2646 /* download enabled */ 2647 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 2648 urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 2649 R92C_SYS_FUNC_EN_CPUEN); 2650 urtwn_write_1(sc, R92C_MCUFWDL, 2651 urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_EN); 2652 urtwn_write_1(sc, R92C_MCUFWDL + 2, 2653 urtwn_read_1(sc, R92C_MCUFWDL + 2) & ~0x08); 2654 2655 /* download firmware */ 2656 for (page = 0; len > 0; page++) { 2657 mlen = MIN(len, R92C_FW_PAGE_SIZE); 2658 error = urtwn_fw_loadpage(sc, page, ptr, mlen); 2659 if (error != 0) { 2660 aprint_error_dev(sc->sc_dev, 2661 "could not load firmware page %d\n", page); 2662 goto fail; 2663 } 2664 ptr += mlen; 2665 len -= mlen; 2666 } 2667 2668 /* download disable */ 2669 urtwn_write_1(sc, R92C_MCUFWDL, 2670 urtwn_read_1(sc, R92C_MCUFWDL) & ~R92C_MCUFWDL_EN); 2671 urtwn_write_1(sc, R92C_MCUFWDL + 1, 0); 2672 2673 /* Wait for checksum report. */ 2674 for (ntries = 0; ntries < 1000; ntries++) { 2675 if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_CHKSUM_RPT) 2676 break; 2677 DELAY(5); 2678 } 2679 if (ntries == 1000) { 2680 aprint_error_dev(sc->sc_dev, 2681 "timeout waiting for checksum report\n"); 2682 error = ETIMEDOUT; 2683 goto fail; 2684 } 2685 2686 /* Wait for firmware readiness. */ 2687 reg = urtwn_read_4(sc, R92C_MCUFWDL); 2688 reg = (reg & ~R92C_MCUFWDL_WINTINI_RDY) | R92C_MCUFWDL_RDY; 2689 urtwn_write_4(sc, R92C_MCUFWDL, reg); 2690 for (ntries = 0; ntries < 1000; ntries++) { 2691 if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_WINTINI_RDY) 2692 break; 2693 DELAY(5); 2694 } 2695 if (ntries == 1000) { 2696 aprint_error_dev(sc->sc_dev, 2697 "timeout waiting for firmware readiness\n"); 2698 error = ETIMEDOUT; 2699 goto fail; 2700 } 2701 fail: 2702 firmware_free(fw, 0); 2703 return (error); 2704 } 2705 2706 static int 2707 urtwn_dma_init(struct urtwn_softc *sc) 2708 { 2709 int hashq, hasnq, haslq, nqueues, nqpages, nrempages; 2710 uint32_t reg; 2711 int error; 2712 2713 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2714 2715 /* Initialize LLT table. */ 2716 error = urtwn_llt_init(sc); 2717 if (error != 0) 2718 return (error); 2719 2720 /* Get Tx queues to USB endpoints mapping. */ 2721 hashq = hasnq = haslq = 0; 2722 reg = urtwn_read_2(sc, R92C_USB_EP + 1); 2723 DPRINTFN(DBG_INIT, ("%s: %s: USB endpoints mapping 0x%x\n", 2724 device_xname(sc->sc_dev), __func__, reg)); 2725 if (MS(reg, R92C_USB_EP_HQ) != 0) 2726 hashq = 1; 2727 if (MS(reg, R92C_USB_EP_NQ) != 0) 2728 hasnq = 1; 2729 if (MS(reg, R92C_USB_EP_LQ) != 0) 2730 haslq = 1; 2731 nqueues = hashq + hasnq + haslq; 2732 if (nqueues == 0) 2733 return (EIO); 2734 /* Get the number of pages for each queue. */ 2735 nqpages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) / nqueues; 2736 /* The remaining pages are assigned to the high priority queue. */ 2737 nrempages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) % nqueues; 2738 2739 /* Set number of pages for normal priority queue. */ 2740 urtwn_write_1(sc, R92C_RQPN_NPQ, hasnq ? nqpages : 0); 2741 urtwn_write_4(sc, R92C_RQPN, 2742 /* Set number of pages for public queue. */ 2743 SM(R92C_RQPN_PUBQ, R92C_PUBQ_NPAGES) | 2744 /* Set number of pages for high priority queue. */ 2745 SM(R92C_RQPN_HPQ, hashq ? nqpages + nrempages : 0) | 2746 /* Set number of pages for low priority queue. */ 2747 SM(R92C_RQPN_LPQ, haslq ? nqpages : 0) | 2748 /* Load values. */ 2749 R92C_RQPN_LD); 2750 2751 urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, R92C_TX_PAGE_BOUNDARY); 2752 urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, R92C_TX_PAGE_BOUNDARY); 2753 urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, R92C_TX_PAGE_BOUNDARY); 2754 urtwn_write_1(sc, R92C_TRXFF_BNDY, R92C_TX_PAGE_BOUNDARY); 2755 urtwn_write_1(sc, R92C_TDECTRL + 1, R92C_TX_PAGE_BOUNDARY); 2756 2757 /* Set queue to USB pipe mapping. */ 2758 reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 2759 reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 2760 if (nqueues == 1) { 2761 if (hashq) { 2762 reg |= R92C_TRXDMA_CTRL_QMAP_HQ; 2763 } else if (hasnq) { 2764 reg |= R92C_TRXDMA_CTRL_QMAP_NQ; 2765 } else { 2766 reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 2767 } 2768 } else if (nqueues == 2) { 2769 /* All 2-endpoints configs have a high priority queue. */ 2770 if (!hashq) { 2771 return (EIO); 2772 } 2773 if (hasnq) { 2774 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 2775 } else { 2776 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_LQ; 2777 } 2778 } else { 2779 reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 2780 } 2781 urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 2782 2783 /* Set Tx/Rx transfer page boundary. */ 2784 urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 0x27ff); 2785 2786 /* Set Tx/Rx transfer page size. */ 2787 urtwn_write_1(sc, R92C_PBP, 2788 SM(R92C_PBP_PSRX, R92C_PBP_128) | SM(R92C_PBP_PSTX, R92C_PBP_128)); 2789 return (0); 2790 } 2791 2792 static void 2793 urtwn_mac_init(struct urtwn_softc *sc) 2794 { 2795 int i; 2796 2797 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2798 2799 /* Write MAC initialization values. */ 2800 for (i = 0; i < (int)__arraycount(rtl8192cu_mac); i++) 2801 urtwn_write_1(sc, rtl8192cu_mac[i].reg, rtl8192cu_mac[i].val); 2802 } 2803 2804 static void 2805 urtwn_bb_init(struct urtwn_softc *sc) 2806 { 2807 const struct urtwn_bb_prog *prog; 2808 uint32_t reg; 2809 int i; 2810 2811 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2812 2813 /* Enable BB and RF. */ 2814 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 2815 urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 2816 R92C_SYS_FUNC_EN_BBRSTB | R92C_SYS_FUNC_EN_BB_GLB_RST | 2817 R92C_SYS_FUNC_EN_DIO_RF); 2818 2819 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 0x83); 2820 urtwn_write_1(sc, R92C_AFE_PLL_CTRL + 1, 0xdb); 2821 2822 urtwn_write_1(sc, R92C_RF_CTRL, 2823 R92C_RF_CTRL_EN | R92C_RF_CTRL_RSTB | R92C_RF_CTRL_SDMRSTB); 2824 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 2825 R92C_SYS_FUNC_EN_USBA | R92C_SYS_FUNC_EN_USBD | 2826 R92C_SYS_FUNC_EN_BB_GLB_RST | R92C_SYS_FUNC_EN_BBRSTB); 2827 2828 urtwn_write_1(sc, R92C_LDOHCI12_CTRL, 0x0f); 2829 urtwn_write_1(sc, 0x15, 0xe9); 2830 urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 1, 0x80); 2831 2832 /* Select BB programming based on board type. */ 2833 if (!(sc->chip & URTWN_CHIP_92C)) { 2834 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 2835 prog = &rtl8188ce_bb_prog; 2836 } else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 2837 prog = &rtl8188ru_bb_prog; 2838 } else { 2839 prog = &rtl8188cu_bb_prog; 2840 } 2841 } else { 2842 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 2843 prog = &rtl8192ce_bb_prog; 2844 } else { 2845 prog = &rtl8192cu_bb_prog; 2846 } 2847 } 2848 /* Write BB initialization values. */ 2849 for (i = 0; i < prog->count; i++) { 2850 /* additional delay depend on registers */ 2851 switch (prog->regs[i]) { 2852 case 0xfe: 2853 usbd_delay_ms(sc->sc_udev, 50); 2854 break; 2855 case 0xfd: 2856 usbd_delay_ms(sc->sc_udev, 5); 2857 break; 2858 case 0xfc: 2859 usbd_delay_ms(sc->sc_udev, 1); 2860 break; 2861 case 0xfb: 2862 DELAY(50); 2863 break; 2864 case 0xfa: 2865 DELAY(5); 2866 break; 2867 case 0xf9: 2868 DELAY(1); 2869 break; 2870 } 2871 urtwn_bb_write(sc, prog->regs[i], prog->vals[i]); 2872 DELAY(1); 2873 } 2874 2875 if (sc->chip & URTWN_CHIP_92C_1T2R) { 2876 /* 8192C 1T only configuration. */ 2877 reg = urtwn_bb_read(sc, R92C_FPGA0_TXINFO); 2878 reg = (reg & ~0x00000003) | 0x2; 2879 urtwn_bb_write(sc, R92C_FPGA0_TXINFO, reg); 2880 2881 reg = urtwn_bb_read(sc, R92C_FPGA1_TXINFO); 2882 reg = (reg & ~0x00300033) | 0x00200022; 2883 urtwn_bb_write(sc, R92C_FPGA1_TXINFO, reg); 2884 2885 reg = urtwn_bb_read(sc, R92C_CCK0_AFESETTING); 2886 reg = (reg & ~0xff000000) | (0x45 << 24); 2887 urtwn_bb_write(sc, R92C_CCK0_AFESETTING, reg); 2888 2889 reg = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 2890 reg = (reg & ~0x000000ff) | 0x23; 2891 urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg); 2892 2893 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCPARAM1); 2894 reg = (reg & ~0x00000030) | (1 << 4); 2895 urtwn_bb_write(sc, R92C_OFDM0_AGCPARAM1, reg); 2896 2897 reg = urtwn_bb_read(sc, 0xe74); 2898 reg = (reg & ~0x0c000000) | (2 << 26); 2899 urtwn_bb_write(sc, 0xe74, reg); 2900 reg = urtwn_bb_read(sc, 0xe78); 2901 reg = (reg & ~0x0c000000) | (2 << 26); 2902 urtwn_bb_write(sc, 0xe78, reg); 2903 reg = urtwn_bb_read(sc, 0xe7c); 2904 reg = (reg & ~0x0c000000) | (2 << 26); 2905 urtwn_bb_write(sc, 0xe7c, reg); 2906 reg = urtwn_bb_read(sc, 0xe80); 2907 reg = (reg & ~0x0c000000) | (2 << 26); 2908 urtwn_bb_write(sc, 0xe80, reg); 2909 reg = urtwn_bb_read(sc, 0xe88); 2910 reg = (reg & ~0x0c000000) | (2 << 26); 2911 urtwn_bb_write(sc, 0xe88, reg); 2912 } 2913 2914 /* Write AGC values. */ 2915 for (i = 0; i < prog->agccount; i++) { 2916 urtwn_bb_write(sc, R92C_OFDM0_AGCRSSITABLE, prog->agcvals[i]); 2917 DELAY(1); 2918 } 2919 2920 if (urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)) & 2921 R92C_HSSI_PARAM2_CCK_HIPWR) { 2922 SET(sc->sc_flags, URTWN_FLAG_CCK_HIPWR); 2923 } 2924 } 2925 2926 static void 2927 urtwn_rf_init(struct urtwn_softc *sc) 2928 { 2929 const struct urtwn_rf_prog *prog; 2930 uint32_t reg, mask, saved; 2931 int i, j, idx; 2932 2933 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2934 2935 /* Select RF programming based on board type. */ 2936 if (!(sc->chip & URTWN_CHIP_92C)) { 2937 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 2938 prog = rtl8188ce_rf_prog; 2939 } else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 2940 prog = rtl8188ru_rf_prog; 2941 } else { 2942 prog = rtl8188cu_rf_prog; 2943 } 2944 } else { 2945 prog = rtl8192ce_rf_prog; 2946 } 2947 2948 for (i = 0; i < sc->nrxchains; i++) { 2949 /* Save RF_ENV control type. */ 2950 idx = i / 2; 2951 mask = 0xffffU << ((i % 2) * 16); 2952 saved = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)) & mask; 2953 2954 /* Set RF_ENV enable. */ 2955 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 2956 reg |= 0x100000; 2957 urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 2958 DELAY(1); 2959 2960 /* Set RF_ENV output high. */ 2961 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 2962 reg |= 0x10; 2963 urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 2964 DELAY(1); 2965 2966 /* Set address and data lengths of RF registers. */ 2967 reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 2968 reg &= ~R92C_HSSI_PARAM2_ADDR_LENGTH; 2969 urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 2970 DELAY(1); 2971 reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 2972 reg &= ~R92C_HSSI_PARAM2_DATA_LENGTH; 2973 urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 2974 DELAY(1); 2975 2976 /* Write RF initialization values for this chain. */ 2977 for (j = 0; j < prog[i].count; j++) { 2978 if (prog[i].regs[j] >= 0xf9 && 2979 prog[i].regs[j] <= 0xfe) { 2980 /* 2981 * These are fake RF registers offsets that 2982 * indicate a delay is required. 2983 */ 2984 usbd_delay_ms(sc->sc_udev, 50); 2985 continue; 2986 } 2987 urtwn_rf_write(sc, i, prog[i].regs[j], prog[i].vals[j]); 2988 DELAY(1); 2989 } 2990 2991 /* Restore RF_ENV control type. */ 2992 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)) & ~mask; 2993 urtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(idx), reg | saved); 2994 } 2995 2996 if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 2997 URTWN_CHIP_UMC_A_CUT) { 2998 urtwn_rf_write(sc, 0, R92C_RF_RX_G1, 0x30255); 2999 urtwn_rf_write(sc, 0, R92C_RF_RX_G2, 0x50a00); 3000 } 3001 3002 /* Cache RF register CHNLBW. */ 3003 for (i = 0; i < 2; i++) { 3004 sc->rf_chnlbw[i] = urtwn_rf_read(sc, i, R92C_RF_CHNLBW); 3005 } 3006 } 3007 3008 static void 3009 urtwn_cam_init(struct urtwn_softc *sc) 3010 { 3011 uint32_t content, command; 3012 uint8_t idx; 3013 int i; 3014 3015 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3016 3017 for (idx = 0; idx < R92C_CAM_ENTRY_COUNT; idx++) { 3018 content = (idx & 3) 3019 | (R92C_CAM_ALGO_AES << R92C_CAM_ALGO_S) 3020 | R92C_CAM_VALID; 3021 3022 command = R92C_CAMCMD_POLLING 3023 | R92C_CAMCMD_WRITE 3024 | R92C_CAM_CTL0(idx); 3025 3026 urtwn_write_4(sc, R92C_CAMWRITE, content); 3027 urtwn_write_4(sc, R92C_CAMCMD, command); 3028 } 3029 3030 for (idx = 0; idx < R92C_CAM_ENTRY_COUNT; idx++) { 3031 for (i = 0; i < /* CAM_CONTENT_COUNT */ 8; i++) { 3032 if (i == 0) { 3033 content = (idx & 3) 3034 | (R92C_CAM_ALGO_AES << R92C_CAM_ALGO_S) 3035 | R92C_CAM_VALID; 3036 } else { 3037 content = 0; 3038 } 3039 3040 command = R92C_CAMCMD_POLLING 3041 | R92C_CAMCMD_WRITE 3042 | R92C_CAM_CTL0(idx) 3043 | (u_int)i; 3044 3045 urtwn_write_4(sc, R92C_CAMWRITE, content); 3046 urtwn_write_4(sc, R92C_CAMCMD, command); 3047 } 3048 } 3049 3050 /* Invalidate all CAM entries. */ 3051 urtwn_write_4(sc, R92C_CAMCMD, R92C_CAMCMD_POLLING | R92C_CAMCMD_CLR); 3052 } 3053 3054 static void 3055 urtwn_pa_bias_init(struct urtwn_softc *sc) 3056 { 3057 uint8_t reg; 3058 int i; 3059 3060 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3061 3062 for (i = 0; i < sc->nrxchains; i++) { 3063 if (sc->pa_setting & (1U << i)) 3064 continue; 3065 3066 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x0f406); 3067 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x4f406); 3068 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x8f406); 3069 urtwn_rf_write(sc, i, R92C_RF_IPA, 0xcf406); 3070 } 3071 if (!(sc->pa_setting & 0x10)) { 3072 reg = urtwn_read_1(sc, 0x16); 3073 reg = (reg & ~0xf0) | 0x90; 3074 urtwn_write_1(sc, 0x16, reg); 3075 } 3076 } 3077 3078 static void 3079 urtwn_rxfilter_init(struct urtwn_softc *sc) 3080 { 3081 3082 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3083 3084 /* Initialize Rx filter. */ 3085 /* TODO: use better filter for monitor mode. */ 3086 urtwn_write_4(sc, R92C_RCR, 3087 R92C_RCR_AAP | R92C_RCR_APM | R92C_RCR_AM | R92C_RCR_AB | 3088 R92C_RCR_APP_ICV | R92C_RCR_AMF | R92C_RCR_HTC_LOC_CTRL | 3089 R92C_RCR_APP_MIC | R92C_RCR_APP_PHYSTS); 3090 /* Accept all multicast frames. */ 3091 urtwn_write_4(sc, R92C_MAR + 0, 0xffffffff); 3092 urtwn_write_4(sc, R92C_MAR + 4, 0xffffffff); 3093 /* Accept all management frames. */ 3094 urtwn_write_2(sc, R92C_RXFLTMAP0, 0xffff); 3095 /* Reject all control frames. */ 3096 urtwn_write_2(sc, R92C_RXFLTMAP1, 0x0000); 3097 /* Accept all data frames. */ 3098 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 3099 } 3100 3101 static void 3102 urtwn_edca_init(struct urtwn_softc *sc) 3103 { 3104 3105 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3106 3107 /* set spec SIFS (used in NAV) */ 3108 urtwn_write_2(sc, R92C_SPEC_SIFS, 0x100a); 3109 urtwn_write_2(sc, R92C_MAC_SPEC_SIFS, 0x100a); 3110 3111 /* set SIFS CCK/OFDM */ 3112 urtwn_write_2(sc, R92C_SIFS_CCK, 0x100a); 3113 urtwn_write_2(sc, R92C_SIFS_OFDM, 0x100a); 3114 3115 /* TXOP */ 3116 urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x005ea42b); 3117 urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a44f); 3118 urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005ea324); 3119 urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002fa226); 3120 } 3121 3122 static void 3123 urtwn_write_txpower(struct urtwn_softc *sc, int chain, 3124 uint16_t power[URTWN_RIDX_COUNT]) 3125 { 3126 uint32_t reg; 3127 3128 DPRINTFN(DBG_FN, ("%s: %s: chain=%d\n", device_xname(sc->sc_dev), 3129 __func__, chain)); 3130 3131 /* Write per-CCK rate Tx power. */ 3132 if (chain == 0) { 3133 reg = urtwn_bb_read(sc, R92C_TXAGC_A_CCK1_MCS32); 3134 reg = RW(reg, R92C_TXAGC_A_CCK1, power[0]); 3135 urtwn_bb_write(sc, R92C_TXAGC_A_CCK1_MCS32, reg); 3136 3137 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 3138 reg = RW(reg, R92C_TXAGC_A_CCK2, power[1]); 3139 reg = RW(reg, R92C_TXAGC_A_CCK55, power[2]); 3140 reg = RW(reg, R92C_TXAGC_A_CCK11, power[3]); 3141 urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 3142 } else { 3143 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK1_55_MCS32); 3144 reg = RW(reg, R92C_TXAGC_B_CCK1, power[0]); 3145 reg = RW(reg, R92C_TXAGC_B_CCK2, power[1]); 3146 reg = RW(reg, R92C_TXAGC_B_CCK55, power[2]); 3147 urtwn_bb_write(sc, R92C_TXAGC_B_CCK1_55_MCS32, reg); 3148 3149 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 3150 reg = RW(reg, R92C_TXAGC_B_CCK11, power[3]); 3151 urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 3152 } 3153 /* Write per-OFDM rate Tx power. */ 3154 urtwn_bb_write(sc, R92C_TXAGC_RATE18_06(chain), 3155 SM(R92C_TXAGC_RATE06, power[ 4]) | 3156 SM(R92C_TXAGC_RATE09, power[ 5]) | 3157 SM(R92C_TXAGC_RATE12, power[ 6]) | 3158 SM(R92C_TXAGC_RATE18, power[ 7])); 3159 urtwn_bb_write(sc, R92C_TXAGC_RATE54_24(chain), 3160 SM(R92C_TXAGC_RATE24, power[ 8]) | 3161 SM(R92C_TXAGC_RATE36, power[ 9]) | 3162 SM(R92C_TXAGC_RATE48, power[10]) | 3163 SM(R92C_TXAGC_RATE54, power[11])); 3164 /* Write per-MCS Tx power. */ 3165 urtwn_bb_write(sc, R92C_TXAGC_MCS03_MCS00(chain), 3166 SM(R92C_TXAGC_MCS00, power[12]) | 3167 SM(R92C_TXAGC_MCS01, power[13]) | 3168 SM(R92C_TXAGC_MCS02, power[14]) | 3169 SM(R92C_TXAGC_MCS03, power[15])); 3170 urtwn_bb_write(sc, R92C_TXAGC_MCS07_MCS04(chain), 3171 SM(R92C_TXAGC_MCS04, power[16]) | 3172 SM(R92C_TXAGC_MCS05, power[17]) | 3173 SM(R92C_TXAGC_MCS06, power[18]) | 3174 SM(R92C_TXAGC_MCS07, power[19])); 3175 urtwn_bb_write(sc, R92C_TXAGC_MCS11_MCS08(chain), 3176 SM(R92C_TXAGC_MCS08, power[20]) | 3177 SM(R92C_TXAGC_MCS09, power[21]) | 3178 SM(R92C_TXAGC_MCS10, power[22]) | 3179 SM(R92C_TXAGC_MCS11, power[23])); 3180 urtwn_bb_write(sc, R92C_TXAGC_MCS15_MCS12(chain), 3181 SM(R92C_TXAGC_MCS12, power[24]) | 3182 SM(R92C_TXAGC_MCS13, power[25]) | 3183 SM(R92C_TXAGC_MCS14, power[26]) | 3184 SM(R92C_TXAGC_MCS15, power[27])); 3185 } 3186 3187 static void 3188 urtwn_get_txpower(struct urtwn_softc *sc, int chain, u_int chan, u_int ht40m, 3189 uint16_t power[URTWN_RIDX_COUNT]) 3190 { 3191 struct r92c_rom *rom = &sc->rom; 3192 uint16_t cckpow, ofdmpow, htpow, diff, maxpow; 3193 const struct urtwn_txpwr *base; 3194 int ridx, group; 3195 3196 DPRINTFN(DBG_FN, ("%s: %s: chain=%d, chan=%d\n", 3197 device_xname(sc->sc_dev), __func__, chain, chan)); 3198 3199 /* Determine channel group. */ 3200 if (chan <= 3) { 3201 group = 0; 3202 } else if (chan <= 9) { 3203 group = 1; 3204 } else { 3205 group = 2; 3206 } 3207 3208 /* Get original Tx power based on board type and RF chain. */ 3209 if (!(sc->chip & URTWN_CHIP_92C)) { 3210 if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 3211 base = &rtl8188ru_txagc[chain]; 3212 } else { 3213 base = &rtl8192cu_txagc[chain]; 3214 } 3215 } else { 3216 base = &rtl8192cu_txagc[chain]; 3217 } 3218 3219 memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 3220 if (sc->regulatory == 0) { 3221 for (ridx = 0; ridx <= 3; ridx++) { 3222 power[ridx] = base->pwr[0][ridx]; 3223 } 3224 } 3225 for (ridx = 4; ridx < URTWN_RIDX_COUNT; ridx++) { 3226 if (sc->regulatory == 3) { 3227 power[ridx] = base->pwr[0][ridx]; 3228 /* Apply vendor limits. */ 3229 if (ht40m != IEEE80211_HTINFO_2NDCHAN_NONE) { 3230 maxpow = rom->ht40_max_pwr[group]; 3231 } else { 3232 maxpow = rom->ht20_max_pwr[group]; 3233 } 3234 maxpow = (maxpow >> (chain * 4)) & 0xf; 3235 if (power[ridx] > maxpow) { 3236 power[ridx] = maxpow; 3237 } 3238 } else if (sc->regulatory == 1) { 3239 if (ht40m == IEEE80211_HTINFO_2NDCHAN_NONE) { 3240 power[ridx] = base->pwr[group][ridx]; 3241 } 3242 } else if (sc->regulatory != 2) { 3243 power[ridx] = base->pwr[0][ridx]; 3244 } 3245 } 3246 3247 /* Compute per-CCK rate Tx power. */ 3248 cckpow = rom->cck_tx_pwr[chain][group]; 3249 for (ridx = 0; ridx <= 3; ridx++) { 3250 power[ridx] += cckpow; 3251 if (power[ridx] > R92C_MAX_TX_PWR) { 3252 power[ridx] = R92C_MAX_TX_PWR; 3253 } 3254 } 3255 3256 htpow = rom->ht40_1s_tx_pwr[chain][group]; 3257 if (sc->ntxchains > 1) { 3258 /* Apply reduction for 2 spatial streams. */ 3259 diff = rom->ht40_2s_tx_pwr_diff[group]; 3260 diff = (diff >> (chain * 4)) & 0xf; 3261 htpow = (htpow > diff) ? htpow - diff : 0; 3262 } 3263 3264 /* Compute per-OFDM rate Tx power. */ 3265 diff = rom->ofdm_tx_pwr_diff[group]; 3266 diff = (diff >> (chain * 4)) & 0xf; 3267 ofdmpow = htpow + diff; /* HT->OFDM correction. */ 3268 for (ridx = 4; ridx <= 11; ridx++) { 3269 power[ridx] += ofdmpow; 3270 if (power[ridx] > R92C_MAX_TX_PWR) { 3271 power[ridx] = R92C_MAX_TX_PWR; 3272 } 3273 } 3274 3275 /* Compute per-MCS Tx power. */ 3276 if (ht40m == IEEE80211_HTINFO_2NDCHAN_NONE) { 3277 diff = rom->ht20_tx_pwr_diff[group]; 3278 diff = (diff >> (chain * 4)) & 0xf; 3279 htpow += diff; /* HT40->HT20 correction. */ 3280 } 3281 for (ridx = 12; ridx < URTWN_RIDX_COUNT; ridx++) { 3282 power[ridx] += htpow; 3283 if (power[ridx] > R92C_MAX_TX_PWR) { 3284 power[ridx] = R92C_MAX_TX_PWR; 3285 } 3286 } 3287 #ifdef URTWN_DEBUG 3288 if (urtwn_debug & DBG_RF) { 3289 /* Dump per-rate Tx power values. */ 3290 printf("%s: %s: Tx power for chain %d:\n", 3291 device_xname(sc->sc_dev), __func__, chain); 3292 for (ridx = 0; ridx < URTWN_RIDX_COUNT; ridx++) { 3293 printf("%s: %s: Rate %d = %u\n", 3294 device_xname(sc->sc_dev), __func__, ridx, 3295 power[ridx]); 3296 } 3297 } 3298 #endif 3299 } 3300 3301 static void 3302 urtwn_set_txpower(struct urtwn_softc *sc, u_int chan, u_int ht40m) 3303 { 3304 uint16_t power[URTWN_RIDX_COUNT]; 3305 int i; 3306 3307 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3308 3309 for (i = 0; i < sc->ntxchains; i++) { 3310 /* Compute per-rate Tx power values. */ 3311 urtwn_get_txpower(sc, i, chan, ht40m, power); 3312 /* Write per-rate Tx power values to hardware. */ 3313 urtwn_write_txpower(sc, i, power); 3314 } 3315 } 3316 3317 static void 3318 urtwn_set_chan(struct urtwn_softc *sc, struct ieee80211_channel *c, u_int ht40m) 3319 { 3320 struct ieee80211com *ic = &sc->sc_ic; 3321 u_int chan; 3322 int i; 3323 3324 chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 3325 3326 DPRINTFN(DBG_FN, ("%s: %s: chan=%d\n", device_xname(sc->sc_dev), 3327 __func__, chan)); 3328 3329 if (ht40m == IEEE80211_HTINFO_2NDCHAN_ABOVE) { 3330 chan += 2; 3331 } else if (ht40m == IEEE80211_HTINFO_2NDCHAN_BELOW){ 3332 chan -= 2; 3333 } 3334 3335 /* Set Tx power for this new channel. */ 3336 urtwn_set_txpower(sc, chan, ht40m); 3337 3338 for (i = 0; i < sc->nrxchains; i++) { 3339 urtwn_rf_write(sc, i, R92C_RF_CHNLBW, 3340 RW(sc->rf_chnlbw[i], R92C_RF_CHNLBW_CHNL, chan)); 3341 } 3342 3343 if (ht40m) { 3344 /* Is secondary channel below or above primary? */ 3345 int prichlo = (ht40m == IEEE80211_HTINFO_2NDCHAN_ABOVE); 3346 uint32_t reg; 3347 3348 urtwn_write_1(sc, R92C_BWOPMODE, 3349 urtwn_read_1(sc, R92C_BWOPMODE) & ~R92C_BWOPMODE_20MHZ); 3350 3351 reg = urtwn_read_1(sc, R92C_RRSR + 2); 3352 reg = (reg & ~0x6f) | (prichlo ? 1 : 2) << 5; 3353 urtwn_write_1(sc, R92C_RRSR + 2, (uint8_t)reg); 3354 3355 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 3356 urtwn_bb_read(sc, R92C_FPGA0_RFMOD) | R92C_RFMOD_40MHZ); 3357 urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 3358 urtwn_bb_read(sc, R92C_FPGA1_RFMOD) | R92C_RFMOD_40MHZ); 3359 3360 /* Set CCK side band. */ 3361 reg = urtwn_bb_read(sc, R92C_CCK0_SYSTEM); 3362 reg = (reg & ~0x00000010) | (prichlo ? 0 : 1) << 4; 3363 urtwn_bb_write(sc, R92C_CCK0_SYSTEM, reg); 3364 3365 reg = urtwn_bb_read(sc, R92C_OFDM1_LSTF); 3366 reg = (reg & ~0x00000c00) | (prichlo ? 1 : 2) << 10; 3367 urtwn_bb_write(sc, R92C_OFDM1_LSTF, reg); 3368 3369 urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 3370 urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) & 3371 ~R92C_FPGA0_ANAPARAM2_CBW20); 3372 3373 reg = urtwn_bb_read(sc, 0x818); 3374 reg = (reg & ~0x0c000000) | (prichlo ? 2 : 1) << 26; 3375 urtwn_bb_write(sc, 0x818, reg); 3376 3377 /* Select 40MHz bandwidth. */ 3378 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 3379 (sc->rf_chnlbw[0] & ~0xfff) | chan); 3380 } else { 3381 urtwn_write_1(sc, R92C_BWOPMODE, 3382 urtwn_read_1(sc, R92C_BWOPMODE) | R92C_BWOPMODE_20MHZ); 3383 3384 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 3385 urtwn_bb_read(sc, R92C_FPGA0_RFMOD) & ~R92C_RFMOD_40MHZ); 3386 urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 3387 urtwn_bb_read(sc, R92C_FPGA1_RFMOD) & ~R92C_RFMOD_40MHZ); 3388 3389 urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 3390 urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) | 3391 R92C_FPGA0_ANAPARAM2_CBW20); 3392 3393 /* Select 20MHz bandwidth. */ 3394 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 3395 (sc->rf_chnlbw[0] & ~0xfff) | R92C_RF_CHNLBW_BW20 | chan); 3396 } 3397 } 3398 3399 static void 3400 urtwn_iq_calib(struct urtwn_softc *sc, bool inited) 3401 { 3402 3403 DPRINTFN(DBG_FN, ("%s: %s: inited=%d\n", device_xname(sc->sc_dev), 3404 __func__, inited)); 3405 3406 /* TODO */ 3407 } 3408 3409 static void 3410 urtwn_lc_calib(struct urtwn_softc *sc) 3411 { 3412 uint32_t rf_ac[2]; 3413 uint8_t txmode; 3414 int i; 3415 3416 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3417 3418 txmode = urtwn_read_1(sc, R92C_OFDM1_LSTF + 3); 3419 if ((txmode & 0x70) != 0) { 3420 /* Disable all continuous Tx. */ 3421 urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode & ~0x70); 3422 3423 /* Set RF mode to standby mode. */ 3424 for (i = 0; i < sc->nrxchains; i++) { 3425 rf_ac[i] = urtwn_rf_read(sc, i, R92C_RF_AC); 3426 urtwn_rf_write(sc, i, R92C_RF_AC, 3427 RW(rf_ac[i], R92C_RF_AC_MODE, 3428 R92C_RF_AC_MODE_STANDBY)); 3429 } 3430 } else { 3431 /* Block all Tx queues. */ 3432 urtwn_write_1(sc, R92C_TXPAUSE, 0xff); 3433 } 3434 /* Start calibration. */ 3435 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 3436 urtwn_rf_read(sc, 0, R92C_RF_CHNLBW) | R92C_RF_CHNLBW_LCSTART); 3437 3438 /* Give calibration the time to complete. */ 3439 usbd_delay_ms(sc->sc_udev, 100); 3440 3441 /* Restore configuration. */ 3442 if ((txmode & 0x70) != 0) { 3443 /* Restore Tx mode. */ 3444 urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode); 3445 /* Restore RF mode. */ 3446 for (i = 0; i < sc->nrxchains; i++) { 3447 urtwn_rf_write(sc, i, R92C_RF_AC, rf_ac[i]); 3448 } 3449 } else { 3450 /* Unblock all Tx queues. */ 3451 urtwn_write_1(sc, R92C_TXPAUSE, 0x00); 3452 } 3453 } 3454 3455 static void 3456 urtwn_temp_calib(struct urtwn_softc *sc) 3457 { 3458 int temp; 3459 3460 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3461 3462 if (sc->thcal_state == 0) { 3463 /* Start measuring temperature. */ 3464 DPRINTFN(DBG_RF, ("%s: %s: start measuring temperature\n", 3465 device_xname(sc->sc_dev), __func__)); 3466 urtwn_rf_write(sc, 0, R92C_RF_T_METER, 0x60); 3467 sc->thcal_state = 1; 3468 return; 3469 } 3470 sc->thcal_state = 0; 3471 3472 /* Read measured temperature. */ 3473 temp = urtwn_rf_read(sc, 0, R92C_RF_T_METER) & 0x1f; 3474 DPRINTFN(DBG_RF, ("%s: %s: temperature=%d\n", device_xname(sc->sc_dev), 3475 __func__, temp)); 3476 if (temp == 0) /* Read failed, skip. */ 3477 return; 3478 3479 /* 3480 * Redo LC calibration if temperature changed significantly since 3481 * last calibration. 3482 */ 3483 if (sc->thcal_lctemp == 0) { 3484 /* First LC calibration is performed in urtwn_init(). */ 3485 sc->thcal_lctemp = temp; 3486 } else if (abs(temp - sc->thcal_lctemp) > 1) { 3487 DPRINTFN(DBG_RF, 3488 ("%s: %s: LC calib triggered by temp: %d -> %d\n", 3489 device_xname(sc->sc_dev), __func__, sc->thcal_lctemp, 3490 temp)); 3491 urtwn_lc_calib(sc); 3492 /* Record temperature of last LC calibration. */ 3493 sc->thcal_lctemp = temp; 3494 } 3495 } 3496 3497 static int 3498 urtwn_init(struct ifnet *ifp) 3499 { 3500 struct urtwn_softc *sc = ifp->if_softc; 3501 struct ieee80211com *ic = &sc->sc_ic; 3502 struct urtwn_rx_data *data; 3503 uint32_t reg; 3504 int i, error; 3505 3506 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3507 3508 urtwn_stop(ifp, 0); 3509 3510 mutex_enter(&sc->sc_task_mtx); 3511 /* Init host async commands ring. */ 3512 sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0; 3513 mutex_exit(&sc->sc_task_mtx); 3514 3515 mutex_enter(&sc->sc_fwcmd_mtx); 3516 /* Init firmware commands ring. */ 3517 sc->fwcur = 0; 3518 mutex_exit(&sc->sc_fwcmd_mtx); 3519 3520 /* Allocate Tx/Rx buffers. */ 3521 error = urtwn_alloc_rx_list(sc); 3522 if (error != 0) { 3523 aprint_error_dev(sc->sc_dev, 3524 "could not allocate Rx buffers\n"); 3525 goto fail; 3526 } 3527 error = urtwn_alloc_tx_list(sc); 3528 if (error != 0) { 3529 aprint_error_dev(sc->sc_dev, 3530 "could not allocate Tx buffers\n"); 3531 goto fail; 3532 } 3533 3534 /* Power on adapter. */ 3535 error = urtwn_power_on(sc); 3536 if (error != 0) 3537 goto fail; 3538 3539 /* Initialize DMA. */ 3540 error = urtwn_dma_init(sc); 3541 if (error != 0) 3542 goto fail; 3543 3544 /* Set info size in Rx descriptors (in 64-bit words). */ 3545 urtwn_write_1(sc, R92C_RX_DRVINFO_SZ, 4); 3546 3547 /* Init interrupts. */ 3548 urtwn_write_4(sc, R92C_HISR, 0xffffffff); 3549 urtwn_write_4(sc, R92C_HIMR, 0xffffffff); 3550 3551 /* Set MAC address. */ 3552 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 3553 urtwn_write_region(sc, R92C_MACID, ic->ic_myaddr, IEEE80211_ADDR_LEN); 3554 3555 /* Set initial network type. */ 3556 reg = urtwn_read_4(sc, R92C_CR); 3557 switch (ic->ic_opmode) { 3558 case IEEE80211_M_STA: 3559 default: 3560 reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_INFRA); 3561 break; 3562 3563 case IEEE80211_M_IBSS: 3564 reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_ADHOC); 3565 break; 3566 } 3567 urtwn_write_4(sc, R92C_CR, reg); 3568 3569 urtwn_rxfilter_init(sc); 3570 3571 /* Set response rate */ 3572 reg = urtwn_read_4(sc, R92C_RRSR); 3573 reg = RW(reg, R92C_RRSR_RATE_BITMAP, R92C_RRSR_RATE_CCK_ONLY_1M); 3574 urtwn_write_4(sc, R92C_RRSR, reg); 3575 3576 /* SIFS (used in NAV) */ 3577 urtwn_write_2(sc, R92C_SPEC_SIFS, 3578 SM(R92C_SPEC_SIFS_CCK, 0x10) | SM(R92C_SPEC_SIFS_OFDM, 0x10)); 3579 3580 /* Set short/long retry limits. */ 3581 urtwn_write_2(sc, R92C_RL, 3582 SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30)); 3583 3584 /* Initialize EDCA parameters. */ 3585 urtwn_edca_init(sc); 3586 3587 /* Setup rate fallback. */ 3588 urtwn_write_4(sc, R92C_DARFRC + 0, 0x00000000); 3589 urtwn_write_4(sc, R92C_DARFRC + 4, 0x10080404); 3590 urtwn_write_4(sc, R92C_RARFRC + 0, 0x04030201); 3591 urtwn_write_4(sc, R92C_RARFRC + 4, 0x08070605); 3592 3593 urtwn_write_1(sc, R92C_FWHW_TXQ_CTRL, 3594 urtwn_read_1(sc, R92C_FWHW_TXQ_CTRL) | 3595 R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW); 3596 /* Set ACK timeout. */ 3597 urtwn_write_1(sc, R92C_ACKTO, 0x40); 3598 3599 /* Setup USB aggregation. */ 3600 /* Tx */ 3601 reg = urtwn_read_4(sc, R92C_TDECTRL); 3602 reg = RW(reg, R92C_TDECTRL_BLK_DESC_NUM, 6); 3603 urtwn_write_4(sc, R92C_TDECTRL, reg); 3604 /* Rx */ 3605 urtwn_write_1(sc, R92C_TRXDMA_CTRL, 3606 urtwn_read_1(sc, R92C_TRXDMA_CTRL) | 3607 R92C_TRXDMA_CTRL_RXDMA_AGG_EN); 3608 urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 3609 urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) & 3610 ~R92C_USB_SPECIAL_OPTION_AGG_EN); 3611 urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH, 48); 3612 urtwn_write_1(sc, R92C_USB_DMA_AGG_TO, 4); 3613 3614 /* Initialize beacon parameters. */ 3615 urtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404); 3616 urtwn_write_1(sc, R92C_DRVERLYINT, 0x05); 3617 urtwn_write_1(sc, R92C_BCNDMATIM, 0x02); 3618 urtwn_write_2(sc, R92C_BCNTCFG, 0x660f); 3619 3620 /* Setup AMPDU aggregation. */ 3621 urtwn_write_4(sc, R92C_AGGLEN_LMT, 0x99997631); /* MCS7~0 */ 3622 urtwn_write_1(sc, R92C_AGGR_BREAK_TIME, 0x16); 3623 urtwn_write_2(sc, 0x4ca, 0x0708); 3624 3625 urtwn_write_1(sc, R92C_BCN_MAX_ERR, 0xff); 3626 urtwn_write_1(sc, R92C_BCN_CTRL, R92C_BCN_CTRL_DIS_TSF_UDT0); 3627 3628 /* Load 8051 microcode. */ 3629 error = urtwn_load_firmware(sc); 3630 if (error != 0) 3631 goto fail; 3632 SET(sc->sc_flags, URTWN_FLAG_FWREADY); 3633 3634 /* Initialize MAC/BB/RF blocks. */ 3635 urtwn_mac_init(sc); 3636 urtwn_write_4(sc, R92C_RCR, 3637 urtwn_read_4(sc, R92C_RCR) & ~R92C_RCR_ADF); 3638 urtwn_bb_init(sc); 3639 urtwn_rf_init(sc); 3640 3641 /* Turn CCK and OFDM blocks on. */ 3642 reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 3643 reg |= R92C_RFMOD_CCK_EN; 3644 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 3645 reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 3646 reg |= R92C_RFMOD_OFDM_EN; 3647 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 3648 3649 /* Clear per-station keys table. */ 3650 urtwn_cam_init(sc); 3651 3652 /* Enable hardware sequence numbering. */ 3653 urtwn_write_1(sc, R92C_HWSEQ_CTRL, 0xff); 3654 3655 /* Perform LO and IQ calibrations. */ 3656 urtwn_iq_calib(sc, sc->iqk_inited); 3657 sc->iqk_inited = true; 3658 3659 /* Perform LC calibration. */ 3660 urtwn_lc_calib(sc); 3661 3662 /* Fix USB interference issue. */ 3663 urtwn_write_1(sc, 0xfe40, 0xe0); 3664 urtwn_write_1(sc, 0xfe41, 0x8d); 3665 urtwn_write_1(sc, 0xfe42, 0x80); 3666 urtwn_write_4(sc, 0x20c, 0xfd0320); 3667 3668 urtwn_pa_bias_init(sc); 3669 3670 if (!(sc->chip & (URTWN_CHIP_92C | URTWN_CHIP_92C_1T2R))) { 3671 /* 1T1R */ 3672 urtwn_bb_write(sc, R92C_FPGA0_RFPARAM(0), 3673 urtwn_bb_read(sc, R92C_FPGA0_RFPARAM(0)) | __BIT(13)); 3674 } 3675 3676 /* Initialize GPIO setting. */ 3677 urtwn_write_1(sc, R92C_GPIO_MUXCFG, 3678 urtwn_read_1(sc, R92C_GPIO_MUXCFG) & ~R92C_GPIO_MUXCFG_ENBT); 3679 3680 /* Fix for lower temperature. */ 3681 urtwn_write_1(sc, 0x15, 0xe9); 3682 3683 /* Set default channel. */ 3684 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 3685 urtwn_set_chan(sc, ic->ic_ibss_chan, IEEE80211_HTINFO_2NDCHAN_NONE); 3686 3687 /* Queue Rx xfers. */ 3688 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 3689 data = &sc->rx_data[i]; 3690 usbd_setup_xfer(data->xfer, sc->rx_pipe, data, data->buf, 3691 URTWN_RXBUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 3692 USBD_NO_TIMEOUT, urtwn_rxeof); 3693 error = usbd_transfer(data->xfer); 3694 if (__predict_false(error != USBD_NORMAL_COMPLETION && 3695 error != USBD_IN_PROGRESS)) 3696 goto fail; 3697 } 3698 3699 /* We're ready to go. */ 3700 ifp->if_flags &= ~IFF_OACTIVE; 3701 ifp->if_flags |= IFF_RUNNING; 3702 3703 if (ic->ic_opmode == IEEE80211_M_MONITOR) 3704 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 3705 else 3706 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 3707 return (0); 3708 3709 fail: 3710 urtwn_stop(ifp, 1); 3711 return (error); 3712 } 3713 3714 static void 3715 urtwn_stop(struct ifnet *ifp, int disable) 3716 { 3717 struct urtwn_softc *sc = ifp->if_softc; 3718 struct ieee80211com *ic = &sc->sc_ic; 3719 int i, s; 3720 3721 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3722 3723 sc->tx_timer = 0; 3724 ifp->if_timer = 0; 3725 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 3726 3727 s = splusb(); 3728 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 3729 urtwn_wait_async(sc); 3730 splx(s); 3731 3732 callout_stop(&sc->sc_scan_to); 3733 callout_stop(&sc->sc_calib_to); 3734 3735 /* Abort Tx. */ 3736 for (i = 0; i < R92C_MAX_EPOUT; i++) { 3737 if (sc->tx_pipe[i] != NULL) 3738 usbd_abort_pipe(sc->tx_pipe[i]); 3739 } 3740 3741 /* Stop Rx pipe. */ 3742 usbd_abort_pipe(sc->rx_pipe); 3743 3744 /* Free Tx/Rx buffers. */ 3745 urtwn_free_tx_list(sc); 3746 urtwn_free_rx_list(sc); 3747 3748 if (disable) 3749 urtwn_chip_stop(sc); 3750 } 3751 3752 static void 3753 urtwn_chip_stop(struct urtwn_softc *sc) 3754 { 3755 uint32_t reg; 3756 bool disabled = true; 3757 3758 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3759 3760 /* 3761 * RF Off Sequence 3762 */ 3763 /* Pause MAC TX queue */ 3764 urtwn_write_1(sc, R92C_TXPAUSE, 0xFF); 3765 3766 /* Disable RF */ 3767 urtwn_rf_write(sc, 0, 0, 0); 3768 3769 urtwn_write_1(sc, R92C_APSD_CTRL, R92C_APSD_CTRL_OFF); 3770 3771 /* Reset BB state machine */ 3772 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3773 R92C_SYS_FUNC_EN_USBD | 3774 R92C_SYS_FUNC_EN_USBA | 3775 R92C_SYS_FUNC_EN_BB_GLB_RST); 3776 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3777 R92C_SYS_FUNC_EN_USBD | R92C_SYS_FUNC_EN_USBA); 3778 3779 /* 3780 * Reset digital sequence 3781 */ 3782 if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RDY) { 3783 /* Reset MCU ready status */ 3784 urtwn_write_1(sc, R92C_MCUFWDL, 0); 3785 /* If firmware in ram code, do reset */ 3786 if (ISSET(sc->sc_flags, URTWN_FLAG_FWREADY)) { 3787 urtwn_fw_reset(sc); 3788 CLR(sc->sc_flags, URTWN_FLAG_FWREADY); 3789 } 3790 } 3791 3792 /* Reset MAC and Enable 8051 */ 3793 urtwn_write_1(sc, R92C_SYS_FUNC_EN + 1, 0x54); 3794 3795 /* Reset MCU ready status */ 3796 urtwn_write_1(sc, R92C_MCUFWDL, 0); 3797 3798 if (disabled) { 3799 /* Disable MAC clock */ 3800 urtwn_write_2(sc, R92C_SYS_CLKR, 0x70A3); 3801 /* Disable AFE PLL */ 3802 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 0x80); 3803 /* Gated AFE DIG_CLOCK */ 3804 urtwn_write_2(sc, R92C_AFE_XTAL_CTRL, 0x880F); 3805 /* Isolated digital to PON */ 3806 urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 0xF9); 3807 } 3808 3809 /* 3810 * Pull GPIO PIN to balance level and LED control 3811 */ 3812 /* 1. Disable GPIO[7:0] */ 3813 urtwn_write_2(sc, R92C_GPIO_PIN_CTRL + 2, 0x0000); 3814 3815 reg = urtwn_read_4(sc, R92C_GPIO_PIN_CTRL) & ~0x0000ff00; 3816 reg |= ((reg << 8) & 0x0000ff00) | 0x00ff0000; 3817 urtwn_write_4(sc, R92C_GPIO_PIN_CTRL, reg); 3818 3819 /* Disable GPIO[10:8] */ 3820 urtwn_write_1(sc, R92C_GPIO_MUXCFG + 3, 0x00); 3821 3822 reg = urtwn_read_2(sc, R92C_GPIO_MUXCFG + 2) & ~0x00f0; 3823 reg |= (((reg & 0x000f) << 4) | 0x0780); 3824 urtwn_write_2(sc, R92C_GPIO_PIN_CTRL+2, reg); 3825 3826 /* Disable LED0 & 1 */ 3827 urtwn_write_2(sc, R92C_LEDCFG0, 0x8080); 3828 3829 /* 3830 * Reset digital sequence 3831 */ 3832 if (disabled) { 3833 /* Disable ELDR clock */ 3834 urtwn_write_2(sc, R92C_SYS_CLKR, 0x70A3); 3835 /* Isolated ELDR to PON */ 3836 urtwn_write_1(sc, R92C_SYS_ISO_CTRL + 1, 0x82); 3837 } 3838 3839 /* 3840 * Disable analog sequence 3841 */ 3842 if (disabled) { 3843 /* Disable A15 power */ 3844 urtwn_write_1(sc, R92C_LDOA15_CTRL, 0x04); 3845 /* Disable digital core power */ 3846 urtwn_write_1(sc, R92C_LDOV12D_CTRL, 3847 urtwn_read_1(sc, R92C_LDOV12D_CTRL) & 3848 ~R92C_LDOV12D_CTRL_LDV12_EN); 3849 } 3850 3851 /* Enter PFM mode */ 3852 urtwn_write_1(sc, R92C_SPS0_CTRL, 0x23); 3853 3854 /* Set USB suspend */ 3855 urtwn_write_2(sc, R92C_APS_FSMCO, 3856 R92C_APS_FSMCO_APDM_HOST | 3857 R92C_APS_FSMCO_AFSM_HSUS | 3858 R92C_APS_FSMCO_PFM_ALDN); 3859 3860 urtwn_write_1(sc, R92C_RSV_CTRL, 0x0E); 3861 } 3862 3863 MODULE(MODULE_CLASS_DRIVER, if_urtwn, "bpf"); 3864 3865 #ifdef _MODULE 3866 #include "ioconf.c" 3867 #endif 3868 3869 static int 3870 if_urtwn_modcmd(modcmd_t cmd, void *aux) 3871 { 3872 int error = 0; 3873 3874 switch (cmd) { 3875 case MODULE_CMD_INIT: 3876 #ifdef _MODULE 3877 error = config_init_component(cfdriver_ioconf_urtwn, 3878 cfattach_ioconf_urtwn, cfdata_ioconf_urtwn); 3879 #endif 3880 return (error); 3881 case MODULE_CMD_FINI: 3882 #ifdef _MODULE 3883 error = config_fini_component(cfdriver_ioconf_urtwn, 3884 cfattach_ioconf_urtwn, cfdata_ioconf_urtwn); 3885 #endif 3886 return (error); 3887 default: 3888 return (ENOTTY); 3889 } 3890 } 3891
Indexes created Tue Sep 30 11:09:46 GMT 2025