if_urtwn.c revision 1.34.2.2
1 /* $NetBSD: if_urtwn.c,v 1.34.2.2 2018/01/03 20:00:23 snj Exp $ */ 2 /* $OpenBSD: if_urtwn.c,v 1.42 2015/02/10 23:25:46 mpi Exp $ */ 3 4 /*- 5 * Copyright (c) 2010 Damien Bergamini <damien.bergamini (at) free.fr> 6 * Copyright (c) 2014 Kevin Lo <kevlo (at) FreeBSD.org> 7 * Copyright (c) 2016 Nathanial Sloss <nathanialsloss (at) yahoo.com.au> 8 * 9 * Permission to use, copy, modify, and distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 22 /*- 23 * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188EU/RTL8188RU/RTL8192CU 24 * RTL8192EU. 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.34.2.2 2018/01/03 20:00:23 snj Exp $"); 29 30 #ifdef _KERNEL_OPT 31 #include "opt_inet.h" 32 #include "opt_usb.h" 33 #endif 34 35 #include <sys/param.h> 36 #include <sys/sockio.h> 37 #include <sys/sysctl.h> 38 #include <sys/mbuf.h> 39 #include <sys/kernel.h> 40 #include <sys/socket.h> 41 #include <sys/systm.h> 42 #include <sys/module.h> 43 #include <sys/conf.h> 44 #include <sys/device.h> 45 46 #include <sys/bus.h> 47 #include <machine/endian.h> 48 #include <sys/intr.h> 49 50 #include <net/bpf.h> 51 #include <net/if.h> 52 #include <net/if_arp.h> 53 #include <net/if_dl.h> 54 #include <net/if_ether.h> 55 #include <net/if_media.h> 56 #include <net/if_types.h> 57 58 #include <netinet/in.h> 59 #include <netinet/in_systm.h> 60 #include <netinet/in_var.h> 61 #include <netinet/ip.h> 62 #include <netinet/if_inarp.h> 63 64 #include <net80211/ieee80211_netbsd.h> 65 #include <net80211/ieee80211_var.h> 66 #include <net80211/ieee80211_radiotap.h> 67 68 #include <dev/firmload.h> 69 70 #include <dev/usb/usb.h> 71 #include <dev/usb/usbdi.h> 72 #include <dev/usb/usbdivar.h> 73 #include <dev/usb/usbdi_util.h> 74 #include <dev/usb/usbdevs.h> 75 76 #include <dev/usb/if_urtwnreg.h> 77 #include <dev/usb/if_urtwnvar.h> 78 #include <dev/usb/if_urtwn_data.h> 79 80 /* 81 * The sc_write_mtx locking is to prevent sequences of writes from 82 * being intermingled with each other. I don't know if this is really 83 * needed. I have added it just to be on the safe side. 84 */ 85 86 #ifdef URTWN_DEBUG 87 #define DBG_INIT __BIT(0) 88 #define DBG_FN __BIT(1) 89 #define DBG_TX __BIT(2) 90 #define DBG_RX __BIT(3) 91 #define DBG_STM __BIT(4) 92 #define DBG_RF __BIT(5) 93 #define DBG_REG __BIT(6) 94 #define DBG_ALL 0xffffffffU 95 u_int urtwn_debug = 0; 96 #define DPRINTFN(n, s) \ 97 do { if (urtwn_debug & (n)) printf s; } while (/*CONSTCOND*/0) 98 #else 99 #define DPRINTFN(n, s) 100 #endif 101 102 #define URTWN_DEV(v,p) { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, 0 } 103 #define URTWN_RTL8188E_DEV(v,p) \ 104 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, FLAG_RTL8188E } 105 #define URTWN_RTL8192EU_DEV(v,p) \ 106 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, FLAG_RTL8192E } 107 static const struct urtwn_dev { 108 struct usb_devno dev; 109 uint32_t flags; 110 #define FLAG_RTL8188E __BIT(0) 111 #define FLAG_RTL8192E __BIT(1) 112 } urtwn_devs[] = { 113 URTWN_DEV(ABOCOM, RTL8188CU_1), 114 URTWN_DEV(ABOCOM, RTL8188CU_2), 115 URTWN_DEV(ABOCOM, RTL8192CU), 116 URTWN_DEV(ASUSTEK, RTL8192CU), 117 URTWN_DEV(ASUSTEK, RTL8192CU_3), 118 URTWN_DEV(ASUSTEK, USBN10NANO), 119 URTWN_DEV(ASUSTEK, RTL8192CU_3), 120 URTWN_DEV(AZUREWAVE, RTL8188CE_1), 121 URTWN_DEV(AZUREWAVE, RTL8188CE_2), 122 URTWN_DEV(AZUREWAVE, RTL8188CU), 123 URTWN_DEV(BELKIN, F7D2102), 124 URTWN_DEV(BELKIN, RTL8188CU), 125 URTWN_DEV(BELKIN, RTL8188CUS), 126 URTWN_DEV(BELKIN, RTL8192CU), 127 URTWN_DEV(BELKIN, RTL8192CU_1), 128 URTWN_DEV(BELKIN, RTL8192CU_2), 129 URTWN_DEV(CHICONY, RTL8188CUS_1), 130 URTWN_DEV(CHICONY, RTL8188CUS_2), 131 URTWN_DEV(CHICONY, RTL8188CUS_3), 132 URTWN_DEV(CHICONY, RTL8188CUS_4), 133 URTWN_DEV(CHICONY, RTL8188CUS_5), 134 URTWN_DEV(CHICONY, RTL8188CUS_6), 135 URTWN_DEV(COMPARE, RTL8192CU), 136 URTWN_DEV(COREGA, RTL8192CU), 137 URTWN_DEV(DLINK, DWA131B), 138 URTWN_DEV(DLINK, RTL8188CU), 139 URTWN_DEV(DLINK, RTL8192CU_1), 140 URTWN_DEV(DLINK, RTL8192CU_2), 141 URTWN_DEV(DLINK, RTL8192CU_3), 142 URTWN_DEV(DLINK, RTL8192CU_4), 143 URTWN_DEV(EDIMAX, RTL8188CU), 144 URTWN_DEV(EDIMAX, RTL8192CU), 145 URTWN_DEV(FEIXUN, RTL8188CU), 146 URTWN_DEV(FEIXUN, RTL8192CU), 147 URTWN_DEV(GUILLEMOT, HWNUP150), 148 URTWN_DEV(GUILLEMOT, RTL8192CU), 149 URTWN_DEV(HAWKING, RTL8192CU), 150 URTWN_DEV(HAWKING, RTL8192CU_2), 151 URTWN_DEV(HP3, RTL8188CU), 152 URTWN_DEV(IODATA, WNG150UM), 153 URTWN_DEV(IODATA, RTL8192CU), 154 URTWN_DEV(NETGEAR, WNA1000M), 155 URTWN_DEV(NETGEAR, RTL8192CU), 156 URTWN_DEV(NETGEAR4, RTL8188CU), 157 URTWN_DEV(NOVATECH, RTL8188CU), 158 URTWN_DEV(PLANEX2, RTL8188CU_1), 159 URTWN_DEV(PLANEX2, RTL8188CU_2), 160 URTWN_DEV(PLANEX2, RTL8192CU), 161 URTWN_DEV(PLANEX2, RTL8188CU_3), 162 URTWN_DEV(PLANEX2, RTL8188CU_4), 163 URTWN_DEV(PLANEX2, RTL8188CUS), 164 URTWN_DEV(REALTEK, RTL8188CE_0), 165 URTWN_DEV(REALTEK, RTL8188CE_1), 166 URTWN_DEV(REALTEK, RTL8188CTV), 167 URTWN_DEV(REALTEK, RTL8188CU_0), 168 URTWN_DEV(REALTEK, RTL8188CU_1), 169 URTWN_DEV(REALTEK, RTL8188CU_2), 170 URTWN_DEV(REALTEK, RTL8188CU_3), 171 URTWN_DEV(REALTEK, RTL8188CU_COMBO), 172 URTWN_DEV(REALTEK, RTL8188CUS), 173 URTWN_DEV(REALTEK, RTL8188RU), 174 URTWN_DEV(REALTEK, RTL8188RU_2), 175 URTWN_DEV(REALTEK, RTL8188RU_3), 176 URTWN_DEV(REALTEK, RTL8191CU), 177 URTWN_DEV(REALTEK, RTL8192CE), 178 URTWN_DEV(REALTEK, RTL8192CU), 179 URTWN_DEV(SITECOMEU, RTL8188CU), 180 URTWN_DEV(SITECOMEU, RTL8188CU_2), 181 URTWN_DEV(SITECOMEU, RTL8192CU), 182 URTWN_DEV(SITECOMEU, RTL8192CUR2), 183 URTWN_DEV(TPLINK, RTL8192CU), 184 URTWN_DEV(TRENDNET, RTL8188CU), 185 URTWN_DEV(TRENDNET, RTL8192CU), 186 URTWN_DEV(ZYXEL, RTL8192CU), 187 188 /* URTWN_RTL8188E */ 189 URTWN_RTL8188E_DEV(DLINK, DWA125D1), 190 URTWN_RTL8188E_DEV(ELECOM, WDC150SU2M), 191 URTWN_RTL8188E_DEV(REALTEK, RTL8188ETV), 192 URTWN_RTL8188E_DEV(REALTEK, RTL8188EU), 193 URTWN_RTL8188E_DEV(ABOCOM, RTL8188EU), 194 195 /* URTWN_RTL8192EU */ 196 URTWN_RTL8192EU_DEV(REALTEK, RTL8192EU), 197 }; 198 #undef URTWN_DEV 199 #undef URTWN_RTL8188E_DEV 200 #undef URTWN_RTL8192EU_DEV 201 202 static int urtwn_match(device_t, cfdata_t, void *); 203 static void urtwn_attach(device_t, device_t, void *); 204 static int urtwn_detach(device_t, int); 205 static int urtwn_activate(device_t, enum devact); 206 207 CFATTACH_DECL_NEW(urtwn, sizeof(struct urtwn_softc), urtwn_match, 208 urtwn_attach, urtwn_detach, urtwn_activate); 209 210 static int urtwn_open_pipes(struct urtwn_softc *); 211 static void urtwn_close_pipes(struct urtwn_softc *); 212 static int urtwn_alloc_rx_list(struct urtwn_softc *); 213 static void urtwn_free_rx_list(struct urtwn_softc *); 214 static int urtwn_alloc_tx_list(struct urtwn_softc *); 215 static void urtwn_free_tx_list(struct urtwn_softc *); 216 static void urtwn_task(void *); 217 static void urtwn_do_async(struct urtwn_softc *, 218 void (*)(struct urtwn_softc *, void *), void *, int); 219 static void urtwn_wait_async(struct urtwn_softc *); 220 static int urtwn_write_region_1(struct urtwn_softc *, uint16_t, uint8_t *, 221 int); 222 static void urtwn_write_1(struct urtwn_softc *, uint16_t, uint8_t); 223 static void urtwn_write_2(struct urtwn_softc *, uint16_t, uint16_t); 224 static void urtwn_write_4(struct urtwn_softc *, uint16_t, uint32_t); 225 static int urtwn_write_region(struct urtwn_softc *, uint16_t, uint8_t *, 226 int); 227 static int urtwn_read_region_1(struct urtwn_softc *, uint16_t, uint8_t *, 228 int); 229 static uint8_t urtwn_read_1(struct urtwn_softc *, uint16_t); 230 static uint16_t urtwn_read_2(struct urtwn_softc *, uint16_t); 231 static uint32_t urtwn_read_4(struct urtwn_softc *, uint16_t); 232 static int urtwn_fw_cmd(struct urtwn_softc *, uint8_t, const void *, int); 233 static void urtwn_r92c_rf_write(struct urtwn_softc *, int, uint8_t, 234 uint32_t); 235 static void urtwn_r88e_rf_write(struct urtwn_softc *, int, uint8_t, 236 uint32_t); 237 static void urtwn_r92e_rf_write(struct urtwn_softc *, int, uint8_t, 238 uint32_t); 239 static uint32_t urtwn_rf_read(struct urtwn_softc *, int, uint8_t); 240 static int urtwn_llt_write(struct urtwn_softc *, uint32_t, uint32_t); 241 static uint8_t urtwn_efuse_read_1(struct urtwn_softc *, uint16_t); 242 static void urtwn_efuse_read(struct urtwn_softc *); 243 static void urtwn_efuse_switch_power(struct urtwn_softc *); 244 static int urtwn_read_chipid(struct urtwn_softc *); 245 #ifdef URTWN_DEBUG 246 static void urtwn_dump_rom(struct urtwn_softc *, struct r92c_rom *); 247 #endif 248 static void urtwn_read_rom(struct urtwn_softc *); 249 static void urtwn_r88e_read_rom(struct urtwn_softc *); 250 static int urtwn_media_change(struct ifnet *); 251 static int urtwn_ra_init(struct urtwn_softc *); 252 static int urtwn_get_nettype(struct urtwn_softc *); 253 static void urtwn_set_nettype0_msr(struct urtwn_softc *, uint8_t); 254 static void urtwn_tsf_sync_enable(struct urtwn_softc *); 255 static void urtwn_set_led(struct urtwn_softc *, int, int); 256 static void urtwn_calib_to(void *); 257 static void urtwn_calib_to_cb(struct urtwn_softc *, void *); 258 static void urtwn_next_scan(void *); 259 static int urtwn_newstate(struct ieee80211com *, enum ieee80211_state, 260 int); 261 static void urtwn_newstate_cb(struct urtwn_softc *, void *); 262 static int urtwn_wme_update(struct ieee80211com *); 263 static void urtwn_wme_update_cb(struct urtwn_softc *, void *); 264 static void urtwn_update_avgrssi(struct urtwn_softc *, int, int8_t); 265 static int8_t urtwn_get_rssi(struct urtwn_softc *, int, void *); 266 static int8_t urtwn_r88e_get_rssi(struct urtwn_softc *, int, void *); 267 static void urtwn_rx_frame(struct urtwn_softc *, uint8_t *, int); 268 static void urtwn_rxeof(struct usbd_xfer *, void *, usbd_status); 269 static void urtwn_txeof(struct usbd_xfer *, void *, usbd_status); 270 static int urtwn_tx(struct urtwn_softc *, struct mbuf *, 271 struct ieee80211_node *, struct urtwn_tx_data *); 272 static struct urtwn_tx_data * 273 urtwn_get_tx_data(struct urtwn_softc *, size_t); 274 static void urtwn_start(struct ifnet *); 275 static void urtwn_watchdog(struct ifnet *); 276 static int urtwn_ioctl(struct ifnet *, u_long, void *); 277 static int urtwn_r92c_power_on(struct urtwn_softc *); 278 static int urtwn_r92e_power_on(struct urtwn_softc *); 279 static int urtwn_r88e_power_on(struct urtwn_softc *); 280 static int urtwn_llt_init(struct urtwn_softc *); 281 static void urtwn_fw_reset(struct urtwn_softc *); 282 static void urtwn_r88e_fw_reset(struct urtwn_softc *); 283 static int urtwn_fw_loadpage(struct urtwn_softc *, int, uint8_t *, int); 284 static int urtwn_load_firmware(struct urtwn_softc *); 285 static int urtwn_r92c_dma_init(struct urtwn_softc *); 286 static int urtwn_r88e_dma_init(struct urtwn_softc *); 287 static void urtwn_mac_init(struct urtwn_softc *); 288 static void urtwn_bb_init(struct urtwn_softc *); 289 static void urtwn_rf_init(struct urtwn_softc *); 290 static void urtwn_cam_init(struct urtwn_softc *); 291 static void urtwn_pa_bias_init(struct urtwn_softc *); 292 static void urtwn_rxfilter_init(struct urtwn_softc *); 293 static void urtwn_edca_init(struct urtwn_softc *); 294 static void urtwn_write_txpower(struct urtwn_softc *, int, uint16_t[]); 295 static void urtwn_get_txpower(struct urtwn_softc *, size_t, u_int, u_int, 296 uint16_t[]); 297 static void urtwn_r88e_get_txpower(struct urtwn_softc *, size_t, u_int, 298 u_int, uint16_t[]); 299 static void urtwn_set_txpower(struct urtwn_softc *, u_int, u_int); 300 static void urtwn_set_chan(struct urtwn_softc *, struct ieee80211_channel *, 301 u_int); 302 static void urtwn_iq_calib(struct urtwn_softc *, bool); 303 static void urtwn_lc_calib(struct urtwn_softc *); 304 static void urtwn_temp_calib(struct urtwn_softc *); 305 static int urtwn_init(struct ifnet *); 306 static void urtwn_stop(struct ifnet *, int); 307 static int urtwn_reset(struct ifnet *); 308 static void urtwn_chip_stop(struct urtwn_softc *); 309 static void urtwn_newassoc(struct ieee80211_node *, int); 310 static void urtwn_delay_ms(struct urtwn_softc *, int ms); 311 312 /* Aliases. */ 313 #define urtwn_bb_write urtwn_write_4 314 #define urtwn_bb_read urtwn_read_4 315 316 #define urtwn_lookup(d,v,p) ((const struct urtwn_dev *)usb_lookup(d,v,p)) 317 318 static const uint16_t addaReg[] = { 319 R92C_FPGA0_XCD_SWITCHCTL, R92C_BLUETOOTH, R92C_RX_WAIT_CCA, 320 R92C_TX_CCK_RFON, R92C_TX_CCK_BBON, R92C_TX_OFDM_RFON, 321 R92C_TX_OFDM_BBON, R92C_TX_TO_RX, R92C_TX_TO_TX, R92C_RX_CCK, 322 R92C_RX_OFDM, R92C_RX_WAIT_RIFS, R92C_RX_TO_RX, 323 R92C_STANDBY, R92C_SLEEP, R92C_PMPD_ANAEN 324 }; 325 326 static int 327 urtwn_match(device_t parent, cfdata_t match, void *aux) 328 { 329 struct usb_attach_arg *uaa = aux; 330 331 return urtwn_lookup(urtwn_devs, uaa->uaa_vendor, uaa->uaa_product) != 332 NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 333 } 334 335 static void 336 urtwn_attach(device_t parent, device_t self, void *aux) 337 { 338 struct urtwn_softc *sc = device_private(self); 339 struct ieee80211com *ic = &sc->sc_ic; 340 struct ifnet *ifp = &sc->sc_if; 341 struct usb_attach_arg *uaa = aux; 342 char *devinfop; 343 const struct urtwn_dev *dev; 344 usb_device_request_t req; 345 size_t i; 346 int error; 347 348 sc->sc_dev = self; 349 sc->sc_udev = uaa->uaa_device; 350 351 sc->chip = 0; 352 dev = urtwn_lookup(urtwn_devs, uaa->uaa_vendor, uaa->uaa_product); 353 if (dev != NULL && ISSET(dev->flags, FLAG_RTL8188E)) 354 SET(sc->chip, URTWN_CHIP_88E); 355 if (dev != NULL && ISSET(dev->flags, FLAG_RTL8192E)) 356 SET(sc->chip, URTWN_CHIP_92EU); 357 358 aprint_naive("\n"); 359 aprint_normal("\n"); 360 361 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 362 363 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 364 aprint_normal_dev(self, "%s\n", devinfop); 365 usbd_devinfo_free(devinfop); 366 367 req.bmRequestType = UT_WRITE_DEVICE; 368 req.bRequest = UR_SET_FEATURE; 369 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 370 USETW(req.wIndex, UHF_PORT_SUSPEND); 371 USETW(req.wLength, 0); 372 373 (void) usbd_do_request(sc->sc_udev, &req, 0); 374 375 mutex_init(&sc->sc_task_mtx, MUTEX_DEFAULT, IPL_NET); 376 mutex_init(&sc->sc_tx_mtx, MUTEX_DEFAULT, IPL_NONE); 377 mutex_init(&sc->sc_rx_mtx, MUTEX_DEFAULT, IPL_NONE); 378 mutex_init(&sc->sc_fwcmd_mtx, MUTEX_DEFAULT, IPL_NONE); 379 mutex_init(&sc->sc_write_mtx, MUTEX_DEFAULT, IPL_NONE); 380 381 usb_init_task(&sc->sc_task, urtwn_task, sc, 0); 382 383 callout_init(&sc->sc_scan_to, 0); 384 callout_setfunc(&sc->sc_scan_to, urtwn_next_scan, sc); 385 callout_init(&sc->sc_calib_to, 0); 386 callout_setfunc(&sc->sc_calib_to, urtwn_calib_to, sc); 387 388 error = usbd_set_config_no(sc->sc_udev, 1, 0); 389 if (error != 0) { 390 aprint_error_dev(self, "failed to set configuration" 391 ", err=%s\n", usbd_errstr(error)); 392 goto fail; 393 } 394 395 /* Get the first interface handle. */ 396 error = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface); 397 if (error != 0) { 398 aprint_error_dev(self, "could not get interface handle\n"); 399 goto fail; 400 } 401 402 error = urtwn_read_chipid(sc); 403 if (error != 0) { 404 aprint_error_dev(self, "unsupported test chip\n"); 405 goto fail; 406 } 407 408 /* Determine number of Tx/Rx chains. */ 409 if (sc->chip & URTWN_CHIP_92C) { 410 sc->ntxchains = (sc->chip & URTWN_CHIP_92C_1T2R) ? 1 : 2; 411 sc->nrxchains = 2; 412 } else if (sc->chip & URTWN_CHIP_92EU) { 413 sc->ntxchains = 2; 414 sc->nrxchains = 2; 415 } else { 416 sc->ntxchains = 1; 417 sc->nrxchains = 1; 418 } 419 420 if (ISSET(sc->chip, URTWN_CHIP_88E) || 421 ISSET(sc->chip, URTWN_CHIP_92EU)) 422 urtwn_r88e_read_rom(sc); 423 else 424 urtwn_read_rom(sc); 425 426 aprint_normal_dev(self, "MAC/BB RTL%s, RF 6052 %zdT%zdR, address %s\n", 427 (sc->chip & URTWN_CHIP_92EU) ? "8192EU" : 428 (sc->chip & URTWN_CHIP_92C) ? "8192CU" : 429 (sc->chip & URTWN_CHIP_88E) ? "8188EU" : 430 (sc->board_type == R92C_BOARD_TYPE_HIGHPA) ? "8188RU" : 431 (sc->board_type == R92C_BOARD_TYPE_MINICARD) ? "8188CE-VAU" : 432 "8188CUS", sc->ntxchains, sc->nrxchains, 433 ether_sprintf(ic->ic_myaddr)); 434 435 error = urtwn_open_pipes(sc); 436 if (error != 0) { 437 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 438 goto fail; 439 } 440 aprint_normal_dev(self, "%d rx pipe%s, %d tx pipe%s\n", 441 sc->rx_npipe, sc->rx_npipe > 1 ? "s" : "", 442 sc->tx_npipe, sc->tx_npipe > 1 ? "s" : ""); 443 444 /* 445 * Setup the 802.11 device. 446 */ 447 ic->ic_ifp = ifp; 448 ic->ic_phytype = IEEE80211_T_OFDM; /* Not only, but not used. */ 449 ic->ic_opmode = IEEE80211_M_STA; /* Default to BSS mode. */ 450 ic->ic_state = IEEE80211_S_INIT; 451 452 /* Set device capabilities. */ 453 ic->ic_caps = 454 IEEE80211_C_MONITOR | /* Monitor mode supported. */ 455 IEEE80211_C_IBSS | /* IBSS mode supported */ 456 IEEE80211_C_HOSTAP | /* HostAp mode supported */ 457 IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */ 458 IEEE80211_C_SHSLOT | /* Short slot time supported. */ 459 IEEE80211_C_WME | /* 802.11e */ 460 IEEE80211_C_WPA; /* 802.11i */ 461 462 /* Set supported .11b and .11g rates. */ 463 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; 464 ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; 465 466 /* Set supported .11b and .11g channels (1 through 14). */ 467 for (i = 1; i <= 14; i++) { 468 ic->ic_channels[i].ic_freq = 469 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 470 ic->ic_channels[i].ic_flags = 471 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 472 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 473 } 474 475 ifp->if_softc = sc; 476 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 477 ifp->if_init = urtwn_init; 478 ifp->if_ioctl = urtwn_ioctl; 479 ifp->if_start = urtwn_start; 480 ifp->if_watchdog = urtwn_watchdog; 481 IFQ_SET_READY(&ifp->if_snd); 482 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 483 484 if_attach(ifp); 485 ieee80211_ifattach(ic); 486 487 /* override default methods */ 488 ic->ic_newassoc = urtwn_newassoc; 489 ic->ic_reset = urtwn_reset; 490 ic->ic_wme.wme_update = urtwn_wme_update; 491 492 /* Override state transition machine. */ 493 sc->sc_newstate = ic->ic_newstate; 494 ic->ic_newstate = urtwn_newstate; 495 ieee80211_media_init(ic, urtwn_media_change, ieee80211_media_status); 496 497 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 498 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 499 &sc->sc_drvbpf); 500 501 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); 502 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 503 sc->sc_rxtap.wr_ihdr.it_present = htole32(URTWN_RX_RADIOTAP_PRESENT); 504 505 sc->sc_txtap_len = sizeof(sc->sc_txtapu); 506 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 507 sc->sc_txtap.wt_ihdr.it_present = htole32(URTWN_TX_RADIOTAP_PRESENT); 508 509 ieee80211_announce(ic); 510 511 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 512 513 if (!pmf_device_register(self, NULL, NULL)) 514 aprint_error_dev(self, "couldn't establish power handler\n"); 515 516 SET(sc->sc_flags, URTWN_FLAG_ATTACHED); 517 return; 518 519 fail: 520 sc->sc_dying = 1; 521 aprint_error_dev(self, "attach failed\n"); 522 } 523 524 static int 525 urtwn_detach(device_t self, int flags) 526 { 527 struct urtwn_softc *sc = device_private(self); 528 struct ifnet *ifp = &sc->sc_if; 529 int s; 530 531 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 532 533 pmf_device_deregister(self); 534 535 s = splusb(); 536 537 sc->sc_dying = 1; 538 539 callout_stop(&sc->sc_scan_to); 540 callout_stop(&sc->sc_calib_to); 541 542 if (ISSET(sc->sc_flags, URTWN_FLAG_ATTACHED)) { 543 usb_rem_task(sc->sc_udev, &sc->sc_task); 544 urtwn_stop(ifp, 0); 545 546 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 547 bpf_detach(ifp); 548 ieee80211_ifdetach(&sc->sc_ic); 549 if_detach(ifp); 550 551 /* Close Tx/Rx pipes. Abort done by urtwn_stop. */ 552 urtwn_close_pipes(sc); 553 } 554 555 splx(s); 556 557 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 558 559 callout_destroy(&sc->sc_scan_to); 560 callout_destroy(&sc->sc_calib_to); 561 562 mutex_destroy(&sc->sc_write_mtx); 563 mutex_destroy(&sc->sc_fwcmd_mtx); 564 mutex_destroy(&sc->sc_tx_mtx); 565 mutex_destroy(&sc->sc_rx_mtx); 566 mutex_destroy(&sc->sc_task_mtx); 567 568 return 0; 569 } 570 571 static int 572 urtwn_activate(device_t self, enum devact act) 573 { 574 struct urtwn_softc *sc = device_private(self); 575 576 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 577 578 switch (act) { 579 case DVACT_DEACTIVATE: 580 if_deactivate(sc->sc_ic.ic_ifp); 581 return 0; 582 default: 583 return EOPNOTSUPP; 584 } 585 } 586 587 static int 588 urtwn_open_pipes(struct urtwn_softc *sc) 589 { 590 /* Bulk-out endpoints addresses (from highest to lowest prio). */ 591 static uint8_t epaddr[R92C_MAX_EPOUT]; 592 static uint8_t rxepaddr[R92C_MAX_EPIN]; 593 usb_interface_descriptor_t *id; 594 usb_endpoint_descriptor_t *ed; 595 size_t i, ntx = 0, nrx = 0; 596 int error; 597 598 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 599 600 /* Determine the number of bulk-out pipes. */ 601 id = usbd_get_interface_descriptor(sc->sc_iface); 602 for (i = 0; i < id->bNumEndpoints; i++) { 603 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 604 if (ed == NULL || UE_GET_XFERTYPE(ed->bmAttributes) != UE_BULK) { 605 continue; 606 } 607 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) { 608 if (ntx < sizeof(epaddr)) 609 epaddr[ntx] = ed->bEndpointAddress; 610 ntx++; 611 } 612 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) { 613 if (nrx < sizeof(rxepaddr)) 614 rxepaddr[nrx] = ed->bEndpointAddress; 615 nrx++; 616 } 617 } 618 if (nrx == 0 || nrx > R92C_MAX_EPIN) { 619 aprint_error_dev(sc->sc_dev, 620 "%zd: invalid number of Rx bulk pipes\n", nrx); 621 return EIO; 622 } 623 if (ntx == 0 || ntx > R92C_MAX_EPOUT) { 624 aprint_error_dev(sc->sc_dev, 625 "%zd: invalid number of Tx bulk pipes\n", ntx); 626 return EIO; 627 } 628 DPRINTFN(DBG_INIT, ("%s: %s: found %zd/%zd bulk-in/out pipes\n", 629 device_xname(sc->sc_dev), __func__, nrx, ntx)); 630 sc->rx_npipe = nrx; 631 sc->tx_npipe = ntx; 632 633 /* Open bulk-in pipe at address 0x81. */ 634 for (i = 0; i < nrx; i++) { 635 error = usbd_open_pipe(sc->sc_iface, rxepaddr[i], 636 USBD_EXCLUSIVE_USE, &sc->rx_pipe[i]); 637 if (error != 0) { 638 aprint_error_dev(sc->sc_dev, 639 "could not open Rx bulk pipe 0x%02x: %d\n", 640 rxepaddr[i], error); 641 goto fail; 642 } 643 } 644 645 /* Open bulk-out pipes (up to 3). */ 646 for (i = 0; i < ntx; i++) { 647 error = usbd_open_pipe(sc->sc_iface, epaddr[i], 648 USBD_EXCLUSIVE_USE, &sc->tx_pipe[i]); 649 if (error != 0) { 650 aprint_error_dev(sc->sc_dev, 651 "could not open Tx bulk pipe 0x%02x: %d\n", 652 epaddr[i], error); 653 goto fail; 654 } 655 } 656 657 /* Map 802.11 access categories to USB pipes. */ 658 sc->ac2idx[WME_AC_BK] = 659 sc->ac2idx[WME_AC_BE] = (ntx == 3) ? 2 : ((ntx == 2) ? 1 : 0); 660 sc->ac2idx[WME_AC_VI] = (ntx == 3) ? 1 : 0; 661 sc->ac2idx[WME_AC_VO] = 0; /* Always use highest prio. */ 662 663 fail: 664 if (error != 0) 665 urtwn_close_pipes(sc); 666 return error; 667 } 668 669 static void 670 urtwn_close_pipes(struct urtwn_softc *sc) 671 { 672 struct usbd_pipe *pipe; 673 size_t i; 674 675 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 676 677 /* Close Rx pipes. */ 678 CTASSERT(sizeof(pipe) == sizeof(void *)); 679 for (i = 0; i < sc->rx_npipe; i++) { 680 pipe = atomic_swap_ptr(&sc->rx_pipe[i], NULL); 681 if (pipe != NULL) { 682 usbd_close_pipe(pipe); 683 } 684 } 685 686 /* Close Tx pipes. */ 687 for (i = 0; i < sc->tx_npipe; i++) { 688 pipe = atomic_swap_ptr(&sc->tx_pipe[i], NULL); 689 if (pipe != NULL) { 690 usbd_close_pipe(pipe); 691 } 692 } 693 } 694 695 static int 696 urtwn_alloc_rx_list(struct urtwn_softc *sc) 697 { 698 struct urtwn_rx_data *data; 699 size_t i; 700 int error = 0; 701 702 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 703 704 for (size_t j = 0; j < sc->rx_npipe; j++) { 705 TAILQ_INIT(&sc->rx_free_list[j]); 706 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 707 data = &sc->rx_data[j][i]; 708 709 data->sc = sc; /* Backpointer for callbacks. */ 710 711 error = usbd_create_xfer(sc->rx_pipe[j], URTWN_RXBUFSZ, 712 USBD_SHORT_XFER_OK, 0, &data->xfer); 713 if (error) { 714 aprint_error_dev(sc->sc_dev, 715 "could not allocate xfer\n"); 716 break; 717 } 718 719 data->buf = usbd_get_buffer(data->xfer); 720 TAILQ_INSERT_TAIL(&sc->rx_free_list[j], data, next); 721 } 722 } 723 if (error != 0) 724 urtwn_free_rx_list(sc); 725 return error; 726 } 727 728 static void 729 urtwn_free_rx_list(struct urtwn_softc *sc) 730 { 731 struct usbd_xfer *xfer; 732 size_t i; 733 734 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 735 736 /* NB: Caller must abort pipe first. */ 737 for (size_t j = 0; j < sc->rx_npipe; j++) { 738 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 739 CTASSERT(sizeof(xfer) == sizeof(void *)); 740 xfer = atomic_swap_ptr(&sc->rx_data[j][i].xfer, NULL); 741 if (xfer != NULL) 742 usbd_destroy_xfer(xfer); 743 } 744 } 745 } 746 747 static int 748 urtwn_alloc_tx_list(struct urtwn_softc *sc) 749 { 750 struct urtwn_tx_data *data; 751 size_t i; 752 int error = 0; 753 754 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 755 756 mutex_enter(&sc->sc_tx_mtx); 757 for (size_t j = 0; j < sc->tx_npipe; j++) { 758 TAILQ_INIT(&sc->tx_free_list[j]); 759 for (i = 0; i < URTWN_TX_LIST_COUNT; i++) { 760 data = &sc->tx_data[j][i]; 761 762 data->sc = sc; /* Backpointer for callbacks. */ 763 data->pidx = j; 764 765 error = usbd_create_xfer(sc->tx_pipe[j], 766 URTWN_TXBUFSZ, USBD_FORCE_SHORT_XFER, 0, 767 &data->xfer); 768 if (error) { 769 aprint_error_dev(sc->sc_dev, 770 "could not allocate xfer\n"); 771 goto fail; 772 } 773 774 data->buf = usbd_get_buffer(data->xfer); 775 776 /* Append this Tx buffer to our free list. */ 777 TAILQ_INSERT_TAIL(&sc->tx_free_list[j], data, next); 778 } 779 } 780 mutex_exit(&sc->sc_tx_mtx); 781 return 0; 782 783 fail: 784 urtwn_free_tx_list(sc); 785 mutex_exit(&sc->sc_tx_mtx); 786 return error; 787 } 788 789 static void 790 urtwn_free_tx_list(struct urtwn_softc *sc) 791 { 792 struct usbd_xfer *xfer; 793 size_t i; 794 795 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 796 797 /* NB: Caller must abort pipe first. */ 798 for (size_t j = 0; j < sc->tx_npipe; j++) { 799 for (i = 0; i < URTWN_TX_LIST_COUNT; i++) { 800 CTASSERT(sizeof(xfer) == sizeof(void *)); 801 xfer = atomic_swap_ptr(&sc->tx_data[j][i].xfer, NULL); 802 if (xfer != NULL) 803 usbd_destroy_xfer(xfer); 804 } 805 } 806 } 807 808 static void 809 urtwn_task(void *arg) 810 { 811 struct urtwn_softc *sc = arg; 812 struct urtwn_host_cmd_ring *ring = &sc->cmdq; 813 struct urtwn_host_cmd *cmd; 814 int s; 815 816 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 817 818 /* Process host commands. */ 819 s = splusb(); 820 mutex_spin_enter(&sc->sc_task_mtx); 821 while (ring->next != ring->cur) { 822 cmd = &ring->cmd[ring->next]; 823 mutex_spin_exit(&sc->sc_task_mtx); 824 splx(s); 825 /* Invoke callback with kernel lock held. */ 826 cmd->cb(sc, cmd->data); 827 s = splusb(); 828 mutex_spin_enter(&sc->sc_task_mtx); 829 ring->queued--; 830 ring->next = (ring->next + 1) % URTWN_HOST_CMD_RING_COUNT; 831 } 832 mutex_spin_exit(&sc->sc_task_mtx); 833 wakeup(&sc->cmdq); 834 splx(s); 835 } 836 837 static void 838 urtwn_do_async(struct urtwn_softc *sc, void (*cb)(struct urtwn_softc *, void *), 839 void *arg, int len) 840 { 841 struct urtwn_host_cmd_ring *ring = &sc->cmdq; 842 struct urtwn_host_cmd *cmd; 843 int s; 844 845 DPRINTFN(DBG_FN, ("%s: %s: cb=%p, arg=%p, len=%d\n", 846 device_xname(sc->sc_dev), __func__, cb, arg, len)); 847 848 s = splusb(); 849 mutex_spin_enter(&sc->sc_task_mtx); 850 cmd = &ring->cmd[ring->cur]; 851 cmd->cb = cb; 852 KASSERT(len <= sizeof(cmd->data)); 853 memcpy(cmd->data, arg, len); 854 ring->cur = (ring->cur + 1) % URTWN_HOST_CMD_RING_COUNT; 855 856 /* If there is no pending command already, schedule a task. */ 857 if (!sc->sc_dying && ++ring->queued == 1) { 858 mutex_spin_exit(&sc->sc_task_mtx); 859 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 860 } else 861 mutex_spin_exit(&sc->sc_task_mtx); 862 splx(s); 863 } 864 865 static void 866 urtwn_wait_async(struct urtwn_softc *sc) 867 { 868 869 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 870 871 /* Wait for all queued asynchronous commands to complete. */ 872 while (sc->cmdq.queued > 0) 873 tsleep(&sc->cmdq, 0, "endtask", 0); 874 } 875 876 static int 877 urtwn_write_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 878 int len) 879 { 880 usb_device_request_t req; 881 usbd_status error; 882 883 KASSERT(mutex_owned(&sc->sc_write_mtx)); 884 885 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 886 req.bRequest = R92C_REQ_REGS; 887 USETW(req.wValue, addr); 888 USETW(req.wIndex, 0); 889 USETW(req.wLength, len); 890 error = usbd_do_request(sc->sc_udev, &req, buf); 891 if (error != USBD_NORMAL_COMPLETION) { 892 DPRINTFN(DBG_REG, ("%s: %s: error=%d: addr=0x%x, len=%d\n", 893 device_xname(sc->sc_dev), __func__, error, addr, len)); 894 } 895 return error; 896 } 897 898 static void 899 urtwn_write_1(struct urtwn_softc *sc, uint16_t addr, uint8_t val) 900 { 901 902 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 903 device_xname(sc->sc_dev), __func__, addr, val)); 904 905 urtwn_write_region_1(sc, addr, &val, 1); 906 } 907 908 static void 909 urtwn_write_2(struct urtwn_softc *sc, uint16_t addr, uint16_t val) 910 { 911 uint8_t buf[2]; 912 913 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 914 device_xname(sc->sc_dev), __func__, addr, val)); 915 916 buf[0] = (uint8_t)val; 917 buf[1] = (uint8_t)(val >> 8); 918 urtwn_write_region_1(sc, addr, buf, 2); 919 } 920 921 static void 922 urtwn_write_4(struct urtwn_softc *sc, uint16_t addr, uint32_t val) 923 { 924 uint8_t buf[4]; 925 926 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 927 device_xname(sc->sc_dev), __func__, addr, val)); 928 929 buf[0] = (uint8_t)val; 930 buf[1] = (uint8_t)(val >> 8); 931 buf[2] = (uint8_t)(val >> 16); 932 buf[3] = (uint8_t)(val >> 24); 933 urtwn_write_region_1(sc, addr, buf, 4); 934 } 935 936 static int 937 urtwn_write_region(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, int len) 938 { 939 940 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, len=0x%x\n", 941 device_xname(sc->sc_dev), __func__, addr, len)); 942 943 return urtwn_write_region_1(sc, addr, buf, len); 944 } 945 946 static int 947 urtwn_read_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 948 int len) 949 { 950 usb_device_request_t req; 951 usbd_status error; 952 953 req.bmRequestType = UT_READ_VENDOR_DEVICE; 954 req.bRequest = R92C_REQ_REGS; 955 USETW(req.wValue, addr); 956 USETW(req.wIndex, 0); 957 USETW(req.wLength, len); 958 error = usbd_do_request(sc->sc_udev, &req, buf); 959 if (error != USBD_NORMAL_COMPLETION) { 960 DPRINTFN(DBG_REG, ("%s: %s: error=%d: addr=0x%x, len=%d\n", 961 device_xname(sc->sc_dev), __func__, error, addr, len)); 962 } 963 return error; 964 } 965 966 static uint8_t 967 urtwn_read_1(struct urtwn_softc *sc, uint16_t addr) 968 { 969 uint8_t val; 970 971 if (urtwn_read_region_1(sc, addr, &val, 1) != USBD_NORMAL_COMPLETION) 972 return 0xff; 973 974 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 975 device_xname(sc->sc_dev), __func__, addr, val)); 976 return val; 977 } 978 979 static uint16_t 980 urtwn_read_2(struct urtwn_softc *sc, uint16_t addr) 981 { 982 uint8_t buf[2]; 983 uint16_t val; 984 985 if (urtwn_read_region_1(sc, addr, buf, 2) != USBD_NORMAL_COMPLETION) 986 return 0xffff; 987 988 val = LE_READ_2(&buf[0]); 989 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 990 device_xname(sc->sc_dev), __func__, addr, val)); 991 return val; 992 } 993 994 static uint32_t 995 urtwn_read_4(struct urtwn_softc *sc, uint16_t addr) 996 { 997 uint8_t buf[4]; 998 uint32_t val; 999 1000 if (urtwn_read_region_1(sc, addr, buf, 4) != USBD_NORMAL_COMPLETION) 1001 return 0xffffffff; 1002 1003 val = LE_READ_4(&buf[0]); 1004 DPRINTFN(DBG_REG, ("%s: %s: addr=0x%x, val=0x%x\n", 1005 device_xname(sc->sc_dev), __func__, addr, val)); 1006 return val; 1007 } 1008 1009 static int 1010 urtwn_fw_cmd(struct urtwn_softc *sc, uint8_t id, const void *buf, int len) 1011 { 1012 struct r92c_fw_cmd cmd; 1013 uint8_t *cp; 1014 int fwcur; 1015 int ntries; 1016 1017 DPRINTFN(DBG_REG, ("%s: %s: id=%d, buf=%p, len=%d\n", 1018 device_xname(sc->sc_dev), __func__, id, buf, len)); 1019 1020 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1021 1022 mutex_enter(&sc->sc_fwcmd_mtx); 1023 fwcur = sc->fwcur; 1024 sc->fwcur = (sc->fwcur + 1) % R92C_H2C_NBOX; 1025 mutex_exit(&sc->sc_fwcmd_mtx); 1026 1027 /* Wait for current FW box to be empty. */ 1028 for (ntries = 0; ntries < 100; ntries++) { 1029 if (!(urtwn_read_1(sc, R92C_HMETFR) & (1 << fwcur))) 1030 break; 1031 DELAY(10); 1032 } 1033 if (ntries == 100) { 1034 aprint_error_dev(sc->sc_dev, 1035 "could not send firmware command %d\n", id); 1036 return ETIMEDOUT; 1037 } 1038 1039 memset(&cmd, 0, sizeof(cmd)); 1040 KASSERT(len <= sizeof(cmd.msg)); 1041 memcpy(cmd.msg, buf, len); 1042 1043 /* Write the first word last since that will trigger the FW. */ 1044 cp = (uint8_t *)&cmd; 1045 cmd.id = id; 1046 if (len >= 4) { 1047 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) { 1048 cmd.id |= R92C_CMD_FLAG_EXT; 1049 urtwn_write_region(sc, R92C_HMEBOX_EXT(fwcur), 1050 &cp[1], 2); 1051 urtwn_write_4(sc, R92C_HMEBOX(fwcur), 1052 cp[0] + (cp[3] << 8) + (cp[4] << 16) + 1053 (cp[5] << 24)); 1054 } else { 1055 urtwn_write_region(sc, R92E_HMEBOX_EXT(fwcur), 1056 &cp[4], 2); 1057 urtwn_write_4(sc, R92C_HMEBOX(fwcur), 1058 cp[0] + (cp[1] << 8) + (cp[2] << 16) + 1059 (cp[3] << 24)); 1060 } 1061 } else { 1062 urtwn_write_region(sc, R92C_HMEBOX(fwcur), cp, len); 1063 } 1064 1065 return 0; 1066 } 1067 1068 static __inline void 1069 urtwn_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, uint32_t val) 1070 { 1071 1072 sc->sc_rf_write(sc, chain, addr, val); 1073 } 1074 1075 static void 1076 urtwn_r92c_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1077 uint32_t val) 1078 { 1079 1080 urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1081 SM(R92C_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val)); 1082 } 1083 1084 static void 1085 urtwn_r88e_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1086 uint32_t val) 1087 { 1088 1089 urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1090 SM(R88E_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val)); 1091 } 1092 1093 static void 1094 urtwn_r92e_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1095 uint32_t val) 1096 { 1097 1098 urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1099 SM(R88E_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val)); 1100 } 1101 1102 static uint32_t 1103 urtwn_rf_read(struct urtwn_softc *sc, int chain, uint8_t addr) 1104 { 1105 uint32_t reg[R92C_MAX_CHAINS], val; 1106 1107 reg[0] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)); 1108 if (chain != 0) { 1109 reg[chain] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(chain)); 1110 } 1111 1112 urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1113 reg[0] & ~R92C_HSSI_PARAM2_READ_EDGE); 1114 DELAY(1000); 1115 1116 urtwn_bb_write(sc, R92C_HSSI_PARAM2(chain), 1117 RW(reg[chain], R92C_HSSI_PARAM2_READ_ADDR, addr) | 1118 R92C_HSSI_PARAM2_READ_EDGE); 1119 DELAY(1000); 1120 1121 urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1122 reg[0] | R92C_HSSI_PARAM2_READ_EDGE); 1123 DELAY(1000); 1124 1125 if (urtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI) { 1126 val = urtwn_bb_read(sc, R92C_HSPI_READBACK(chain)); 1127 } else { 1128 val = urtwn_bb_read(sc, R92C_LSSI_READBACK(chain)); 1129 } 1130 return MS(val, R92C_LSSI_READBACK_DATA); 1131 } 1132 1133 static int 1134 urtwn_llt_write(struct urtwn_softc *sc, uint32_t addr, uint32_t data) 1135 { 1136 int ntries; 1137 1138 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1139 1140 urtwn_write_4(sc, R92C_LLT_INIT, 1141 SM(R92C_LLT_INIT_OP, R92C_LLT_INIT_OP_WRITE) | 1142 SM(R92C_LLT_INIT_ADDR, addr) | 1143 SM(R92C_LLT_INIT_DATA, data)); 1144 /* Wait for write operation to complete. */ 1145 for (ntries = 0; ntries < 20; ntries++) { 1146 if (MS(urtwn_read_4(sc, R92C_LLT_INIT), R92C_LLT_INIT_OP) == 1147 R92C_LLT_INIT_OP_NO_ACTIVE) { 1148 /* Done */ 1149 return 0; 1150 } 1151 DELAY(5); 1152 } 1153 return ETIMEDOUT; 1154 } 1155 1156 static uint8_t 1157 urtwn_efuse_read_1(struct urtwn_softc *sc, uint16_t addr) 1158 { 1159 uint32_t reg; 1160 int ntries; 1161 1162 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1163 1164 reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1165 reg = RW(reg, R92C_EFUSE_CTRL_ADDR, addr); 1166 reg &= ~R92C_EFUSE_CTRL_VALID; 1167 urtwn_write_4(sc, R92C_EFUSE_CTRL, reg); 1168 1169 /* Wait for read operation to complete. */ 1170 for (ntries = 0; ntries < 100; ntries++) { 1171 reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1172 if (reg & R92C_EFUSE_CTRL_VALID) { 1173 /* Done */ 1174 return MS(reg, R92C_EFUSE_CTRL_DATA); 1175 } 1176 DELAY(5); 1177 } 1178 aprint_error_dev(sc->sc_dev, 1179 "could not read efuse byte at address 0x%04x\n", addr); 1180 return 0xff; 1181 } 1182 1183 static void 1184 urtwn_efuse_read(struct urtwn_softc *sc) 1185 { 1186 uint8_t *rom = (uint8_t *)&sc->rom; 1187 uint32_t reg; 1188 uint16_t addr = 0; 1189 uint8_t off, msk; 1190 size_t i; 1191 1192 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1193 1194 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1195 1196 urtwn_efuse_switch_power(sc); 1197 1198 memset(&sc->rom, 0xff, sizeof(sc->rom)); 1199 while (addr < 512) { 1200 reg = urtwn_efuse_read_1(sc, addr); 1201 if (reg == 0xff) 1202 break; 1203 addr++; 1204 off = reg >> 4; 1205 msk = reg & 0xf; 1206 for (i = 0; i < 4; i++) { 1207 if (msk & (1U << i)) 1208 continue; 1209 1210 rom[off * 8 + i * 2 + 0] = urtwn_efuse_read_1(sc, addr); 1211 addr++; 1212 rom[off * 8 + i * 2 + 1] = urtwn_efuse_read_1(sc, addr); 1213 addr++; 1214 } 1215 } 1216 #ifdef URTWN_DEBUG 1217 if (urtwn_debug & DBG_INIT) { 1218 /* Dump ROM content. */ 1219 printf("%s: %s", device_xname(sc->sc_dev), __func__); 1220 for (i = 0; i < (int)sizeof(sc->rom); i++) 1221 printf(":%02x", rom[i]); 1222 printf("\n"); 1223 } 1224 #endif 1225 } 1226 1227 static void 1228 urtwn_efuse_switch_power(struct urtwn_softc *sc) 1229 { 1230 uint32_t reg; 1231 1232 reg = urtwn_read_2(sc, R92C_SYS_ISO_CTRL); 1233 if (!(reg & R92C_SYS_ISO_CTRL_PWC_EV12V)) { 1234 urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 1235 reg | R92C_SYS_ISO_CTRL_PWC_EV12V); 1236 } 1237 reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 1238 if (!(reg & R92C_SYS_FUNC_EN_ELDR)) { 1239 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 1240 reg | R92C_SYS_FUNC_EN_ELDR); 1241 } 1242 reg = urtwn_read_2(sc, R92C_SYS_CLKR); 1243 if ((reg & (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) != 1244 (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) { 1245 urtwn_write_2(sc, R92C_SYS_CLKR, 1246 reg | R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M); 1247 } 1248 } 1249 1250 static int 1251 urtwn_read_chipid(struct urtwn_softc *sc) 1252 { 1253 uint32_t reg; 1254 1255 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1256 1257 if (ISSET(sc->chip, URTWN_CHIP_88E) || 1258 ISSET(sc->chip, URTWN_CHIP_92EU)) 1259 return 0; 1260 1261 reg = urtwn_read_4(sc, R92C_SYS_CFG); 1262 if (reg & R92C_SYS_CFG_TRP_VAUX_EN) { 1263 /* test chip, not supported */ 1264 return EIO; 1265 } 1266 if (reg & R92C_SYS_CFG_TYPE_92C) { 1267 sc->chip |= URTWN_CHIP_92C; 1268 /* Check if it is a castrated 8192C. */ 1269 if (MS(urtwn_read_4(sc, R92C_HPON_FSM), 1270 R92C_HPON_FSM_CHIP_BONDING_ID) == 1271 R92C_HPON_FSM_CHIP_BONDING_ID_92C_1T2R) { 1272 sc->chip |= URTWN_CHIP_92C_1T2R; 1273 } 1274 } 1275 if (reg & R92C_SYS_CFG_VENDOR_UMC) { 1276 sc->chip |= URTWN_CHIP_UMC; 1277 if (MS(reg, R92C_SYS_CFG_CHIP_VER_RTL) == 0) { 1278 sc->chip |= URTWN_CHIP_UMC_A_CUT; 1279 } 1280 } 1281 return 0; 1282 } 1283 1284 #ifdef URTWN_DEBUG 1285 static void 1286 urtwn_dump_rom(struct urtwn_softc *sc, struct r92c_rom *rp) 1287 { 1288 1289 aprint_normal_dev(sc->sc_dev, 1290 "id 0x%04x, dbg_sel 0x%x, vid 0x%x, pid 0x%x\n", 1291 rp->id, rp->dbg_sel, rp->vid, rp->pid); 1292 1293 aprint_normal_dev(sc->sc_dev, 1294 "usb_opt 0x%x, ep_setting 0x%x, usb_phy 0x%x\n", 1295 rp->usb_opt, rp->ep_setting, rp->usb_phy); 1296 1297 aprint_normal_dev(sc->sc_dev, 1298 "macaddr %02x:%02x:%02x:%02x:%02x:%02x\n", 1299 rp->macaddr[0], rp->macaddr[1], 1300 rp->macaddr[2], rp->macaddr[3], 1301 rp->macaddr[4], rp->macaddr[5]); 1302 1303 aprint_normal_dev(sc->sc_dev, 1304 "string %s, subcustomer_id 0x%x\n", 1305 rp->string, rp->subcustomer_id); 1306 1307 aprint_normal_dev(sc->sc_dev, 1308 "cck_tx_pwr c0: %d %d %d, c1: %d %d %d\n", 1309 rp->cck_tx_pwr[0][0], rp->cck_tx_pwr[0][1], rp->cck_tx_pwr[0][2], 1310 rp->cck_tx_pwr[1][0], rp->cck_tx_pwr[1][1], rp->cck_tx_pwr[1][2]); 1311 1312 aprint_normal_dev(sc->sc_dev, 1313 "ht40_1s_tx_pwr c0 %d %d %d, c1 %d %d %d\n", 1314 rp->ht40_1s_tx_pwr[0][0], rp->ht40_1s_tx_pwr[0][1], 1315 rp->ht40_1s_tx_pwr[0][2], 1316 rp->ht40_1s_tx_pwr[1][0], rp->ht40_1s_tx_pwr[1][1], 1317 rp->ht40_1s_tx_pwr[1][2]); 1318 1319 aprint_normal_dev(sc->sc_dev, 1320 "ht40_2s_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1321 rp->ht40_2s_tx_pwr_diff[0] & 0xf, rp->ht40_2s_tx_pwr_diff[1] & 0xf, 1322 rp->ht40_2s_tx_pwr_diff[2] & 0xf, 1323 rp->ht40_2s_tx_pwr_diff[0] >> 4, rp->ht40_2s_tx_pwr_diff[1] & 0xf, 1324 rp->ht40_2s_tx_pwr_diff[2] >> 4); 1325 1326 aprint_normal_dev(sc->sc_dev, 1327 "ht20_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1328 rp->ht20_tx_pwr_diff[0] & 0xf, rp->ht20_tx_pwr_diff[1] & 0xf, 1329 rp->ht20_tx_pwr_diff[2] & 0xf, 1330 rp->ht20_tx_pwr_diff[0] >> 4, rp->ht20_tx_pwr_diff[1] >> 4, 1331 rp->ht20_tx_pwr_diff[2] >> 4); 1332 1333 aprint_normal_dev(sc->sc_dev, 1334 "ofdm_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1335 rp->ofdm_tx_pwr_diff[0] & 0xf, rp->ofdm_tx_pwr_diff[1] & 0xf, 1336 rp->ofdm_tx_pwr_diff[2] & 0xf, 1337 rp->ofdm_tx_pwr_diff[0] >> 4, rp->ofdm_tx_pwr_diff[1] >> 4, 1338 rp->ofdm_tx_pwr_diff[2] >> 4); 1339 1340 aprint_normal_dev(sc->sc_dev, 1341 "ht40_max_pwr_offset c0: %d %d %d, c1: %d %d %d\n", 1342 rp->ht40_max_pwr[0] & 0xf, rp->ht40_max_pwr[1] & 0xf, 1343 rp->ht40_max_pwr[2] & 0xf, 1344 rp->ht40_max_pwr[0] >> 4, rp->ht40_max_pwr[1] >> 4, 1345 rp->ht40_max_pwr[2] >> 4); 1346 1347 aprint_normal_dev(sc->sc_dev, 1348 "ht20_max_pwr_offset c0: %d %d %d, c1: %d %d %d\n", 1349 rp->ht20_max_pwr[0] & 0xf, rp->ht20_max_pwr[1] & 0xf, 1350 rp->ht20_max_pwr[2] & 0xf, 1351 rp->ht20_max_pwr[0] >> 4, rp->ht20_max_pwr[1] >> 4, 1352 rp->ht20_max_pwr[2] >> 4); 1353 1354 aprint_normal_dev(sc->sc_dev, 1355 "xtal_calib %d, tssi %d %d, thermal %d\n", 1356 rp->xtal_calib, rp->tssi[0], rp->tssi[1], rp->thermal_meter); 1357 1358 aprint_normal_dev(sc->sc_dev, 1359 "rf_opt1 0x%x, rf_opt2 0x%x, rf_opt3 0x%x, rf_opt4 0x%x\n", 1360 rp->rf_opt1, rp->rf_opt2, rp->rf_opt3, rp->rf_opt4); 1361 1362 aprint_normal_dev(sc->sc_dev, 1363 "channnel_plan %d, version %d customer_id 0x%x\n", 1364 rp->channel_plan, rp->version, rp->curstomer_id); 1365 } 1366 #endif 1367 1368 static void 1369 urtwn_read_rom(struct urtwn_softc *sc) 1370 { 1371 struct ieee80211com *ic = &sc->sc_ic; 1372 struct r92c_rom *rom = &sc->rom; 1373 1374 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1375 1376 mutex_enter(&sc->sc_write_mtx); 1377 1378 /* Read full ROM image. */ 1379 urtwn_efuse_read(sc); 1380 #ifdef URTWN_DEBUG 1381 if (urtwn_debug & DBG_REG) 1382 urtwn_dump_rom(sc, rom); 1383 #endif 1384 1385 /* XXX Weird but this is what the vendor driver does. */ 1386 sc->pa_setting = urtwn_efuse_read_1(sc, 0x1fa); 1387 sc->board_type = MS(rom->rf_opt1, R92C_ROM_RF1_BOARD_TYPE); 1388 sc->regulatory = MS(rom->rf_opt1, R92C_ROM_RF1_REGULATORY); 1389 1390 DPRINTFN(DBG_INIT, 1391 ("%s: %s: PA setting=0x%x, board=0x%x, regulatory=%d\n", 1392 device_xname(sc->sc_dev), __func__, sc->pa_setting, 1393 sc->board_type, sc->regulatory)); 1394 1395 IEEE80211_ADDR_COPY(ic->ic_myaddr, rom->macaddr); 1396 1397 sc->sc_rf_write = urtwn_r92c_rf_write; 1398 sc->sc_power_on = urtwn_r92c_power_on; 1399 sc->sc_dma_init = urtwn_r92c_dma_init; 1400 1401 mutex_exit(&sc->sc_write_mtx); 1402 } 1403 1404 static void 1405 urtwn_r88e_read_rom(struct urtwn_softc *sc) 1406 { 1407 struct ieee80211com *ic = &sc->sc_ic; 1408 uint8_t *rom = sc->r88e_rom; 1409 uint32_t reg; 1410 uint16_t addr = 0; 1411 uint8_t off, msk, tmp; 1412 int i; 1413 1414 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1415 1416 mutex_enter(&sc->sc_write_mtx); 1417 1418 off = 0; 1419 urtwn_efuse_switch_power(sc); 1420 1421 /* Read full ROM image. */ 1422 memset(&sc->r88e_rom, 0xff, sizeof(sc->r88e_rom)); 1423 while (addr < 4096) { 1424 reg = urtwn_efuse_read_1(sc, addr); 1425 if (reg == 0xff) 1426 break; 1427 addr++; 1428 if ((reg & 0x1f) == 0x0f) { 1429 tmp = (reg & 0xe0) >> 5; 1430 reg = urtwn_efuse_read_1(sc, addr); 1431 if ((reg & 0x0f) != 0x0f) 1432 off = ((reg & 0xf0) >> 1) | tmp; 1433 addr++; 1434 } else 1435 off = reg >> 4; 1436 msk = reg & 0xf; 1437 for (i = 0; i < 4; i++) { 1438 if (msk & (1 << i)) 1439 continue; 1440 rom[off * 8 + i * 2 + 0] = urtwn_efuse_read_1(sc, addr); 1441 addr++; 1442 rom[off * 8 + i * 2 + 1] = urtwn_efuse_read_1(sc, addr); 1443 addr++; 1444 } 1445 } 1446 #ifdef URTWN_DEBUG 1447 if (urtwn_debug & DBG_REG) { 1448 } 1449 #endif 1450 1451 addr = 0x10; 1452 for (i = 0; i < 6; i++) 1453 sc->cck_tx_pwr[i] = sc->r88e_rom[addr++]; 1454 for (i = 0; i < 5; i++) 1455 sc->ht40_tx_pwr[i] = sc->r88e_rom[addr++]; 1456 sc->bw20_tx_pwr_diff = (sc->r88e_rom[addr] & 0xf0) >> 4; 1457 if (sc->bw20_tx_pwr_diff & 0x08) 1458 sc->bw20_tx_pwr_diff |= 0xf0; 1459 sc->ofdm_tx_pwr_diff = (sc->r88e_rom[addr] & 0xf); 1460 if (sc->ofdm_tx_pwr_diff & 0x08) 1461 sc->ofdm_tx_pwr_diff |= 0xf0; 1462 sc->regulatory = MS(sc->r88e_rom[0xc1], R92C_ROM_RF1_REGULATORY); 1463 1464 IEEE80211_ADDR_COPY(ic->ic_myaddr, &sc->r88e_rom[0xd7]); 1465 1466 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 1467 sc->sc_power_on = urtwn_r92e_power_on; 1468 sc->sc_rf_write = urtwn_r92e_rf_write; 1469 } else { 1470 sc->sc_power_on = urtwn_r88e_power_on; 1471 sc->sc_rf_write = urtwn_r88e_rf_write; 1472 } 1473 sc->sc_dma_init = urtwn_r88e_dma_init; 1474 1475 mutex_exit(&sc->sc_write_mtx); 1476 } 1477 1478 static int 1479 urtwn_media_change(struct ifnet *ifp) 1480 { 1481 #ifdef URTWN_DEBUG 1482 struct urtwn_softc *sc = ifp->if_softc; 1483 #endif 1484 int error; 1485 1486 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1487 1488 if ((error = ieee80211_media_change(ifp)) != ENETRESET) 1489 return error; 1490 1491 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1492 (IFF_UP | IFF_RUNNING)) { 1493 urtwn_init(ifp); 1494 } 1495 return 0; 1496 } 1497 1498 /* 1499 * Initialize rate adaptation in firmware. 1500 */ 1501 static int 1502 urtwn_ra_init(struct urtwn_softc *sc) 1503 { 1504 static const uint8_t map[] = { 1505 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 1506 }; 1507 struct ieee80211com *ic = &sc->sc_ic; 1508 struct ieee80211_node *ni = ic->ic_bss; 1509 struct ieee80211_rateset *rs = &ni->ni_rates; 1510 struct r92c_fw_cmd_macid_cfg cmd; 1511 uint32_t rates, basicrates; 1512 uint32_t mask, rrsr_mask, rrsr_rate; 1513 uint8_t mode; 1514 size_t maxrate, maxbasicrate, i, j; 1515 int error; 1516 1517 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1518 1519 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1520 1521 /* Get normal and basic rates mask. */ 1522 rates = basicrates = 1; 1523 maxrate = maxbasicrate = 0; 1524 for (i = 0; i < rs->rs_nrates; i++) { 1525 /* Convert 802.11 rate to HW rate index. */ 1526 for (j = 0; j < __arraycount(map); j++) { 1527 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == map[j]) { 1528 break; 1529 } 1530 } 1531 if (j == __arraycount(map)) { 1532 /* Unknown rate, skip. */ 1533 continue; 1534 } 1535 1536 rates |= 1U << j; 1537 if (j > maxrate) { 1538 maxrate = j; 1539 } 1540 1541 if (rs->rs_rates[i] & IEEE80211_RATE_BASIC) { 1542 basicrates |= 1U << j; 1543 if (j > maxbasicrate) { 1544 maxbasicrate = j; 1545 } 1546 } 1547 } 1548 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1549 mode = R92C_RAID_11B; 1550 } else { 1551 mode = R92C_RAID_11BG; 1552 } 1553 DPRINTFN(DBG_INIT, ("%s: %s: mode=0x%x rates=0x%x, basicrates=0x%x, " 1554 "maxrate=%zx, maxbasicrate=%zx\n", 1555 device_xname(sc->sc_dev), __func__, mode, rates, basicrates, 1556 maxrate, maxbasicrate)); 1557 1558 if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) { 1559 maxbasicrate |= R92C_RATE_SHORTGI; 1560 maxrate |= R92C_RATE_SHORTGI; 1561 } 1562 1563 /* Set rates mask for group addressed frames. */ 1564 cmd.macid = URTWN_MACID_BC | URTWN_MACID_VALID; 1565 if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) 1566 cmd.macid |= URTWN_MACID_SHORTGI; 1567 1568 mask = (mode << 28) | basicrates; 1569 cmd.mask[0] = (uint8_t)mask; 1570 cmd.mask[1] = (uint8_t)(mask >> 8); 1571 cmd.mask[2] = (uint8_t)(mask >> 16); 1572 cmd.mask[3] = (uint8_t)(mask >> 24); 1573 error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1574 if (error != 0) { 1575 aprint_error_dev(sc->sc_dev, 1576 "could not add broadcast station\n"); 1577 return error; 1578 } 1579 /* Set initial MRR rate. */ 1580 DPRINTFN(DBG_INIT, ("%s: %s: maxbasicrate=%zd\n", 1581 device_xname(sc->sc_dev), __func__, maxbasicrate)); 1582 urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BC), maxbasicrate); 1583 1584 /* Set rates mask for unicast frames. */ 1585 cmd.macid = URTWN_MACID_BSS | URTWN_MACID_VALID; 1586 if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) 1587 cmd.macid |= URTWN_MACID_SHORTGI; 1588 1589 mask = (mode << 28) | rates; 1590 cmd.mask[0] = (uint8_t)mask; 1591 cmd.mask[1] = (uint8_t)(mask >> 8); 1592 cmd.mask[2] = (uint8_t)(mask >> 16); 1593 cmd.mask[3] = (uint8_t)(mask >> 24); 1594 error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1595 if (error != 0) { 1596 aprint_error_dev(sc->sc_dev, "could not add BSS station\n"); 1597 return error; 1598 } 1599 /* Set initial MRR rate. */ 1600 DPRINTFN(DBG_INIT, ("%s: %s: maxrate=%zd\n", device_xname(sc->sc_dev), 1601 __func__, maxrate)); 1602 urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BSS), maxrate); 1603 1604 rrsr_rate = ic->ic_fixed_rate; 1605 if (rrsr_rate == -1) 1606 rrsr_rate = 11; 1607 1608 rrsr_mask = 0xffff >> (15 - rrsr_rate); 1609 urtwn_write_2(sc, R92C_RRSR, rrsr_mask); 1610 1611 /* Indicate highest supported rate. */ 1612 ni->ni_txrate = rs->rs_nrates - 1; 1613 1614 return 0; 1615 } 1616 1617 static int 1618 urtwn_get_nettype(struct urtwn_softc *sc) 1619 { 1620 struct ieee80211com *ic = &sc->sc_ic; 1621 int type; 1622 1623 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1624 1625 switch (ic->ic_opmode) { 1626 case IEEE80211_M_STA: 1627 type = R92C_CR_NETTYPE_INFRA; 1628 break; 1629 1630 case IEEE80211_M_IBSS: 1631 type = R92C_CR_NETTYPE_ADHOC; 1632 break; 1633 1634 default: 1635 type = R92C_CR_NETTYPE_NOLINK; 1636 break; 1637 } 1638 1639 return type; 1640 } 1641 1642 static void 1643 urtwn_set_nettype0_msr(struct urtwn_softc *sc, uint8_t type) 1644 { 1645 uint8_t reg; 1646 1647 DPRINTFN(DBG_FN, ("%s: %s: type=%d\n", device_xname(sc->sc_dev), 1648 __func__, type)); 1649 1650 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1651 1652 reg = urtwn_read_1(sc, R92C_CR + 2) & 0x0c; 1653 urtwn_write_1(sc, R92C_CR + 2, reg | type); 1654 } 1655 1656 static void 1657 urtwn_tsf_sync_enable(struct urtwn_softc *sc) 1658 { 1659 struct ieee80211_node *ni = sc->sc_ic.ic_bss; 1660 uint64_t tsf; 1661 1662 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1663 1664 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1665 1666 /* Enable TSF synchronization. */ 1667 urtwn_write_1(sc, R92C_BCN_CTRL, 1668 urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_DIS_TSF_UDT0); 1669 1670 /* Correct TSF */ 1671 urtwn_write_1(sc, R92C_BCN_CTRL, 1672 urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_EN_BCN); 1673 1674 /* Set initial TSF. */ 1675 tsf = ni->ni_tstamp.tsf; 1676 tsf = le64toh(tsf); 1677 tsf = tsf - (tsf % (ni->ni_intval * IEEE80211_DUR_TU)); 1678 tsf -= IEEE80211_DUR_TU; 1679 urtwn_write_4(sc, R92C_TSFTR + 0, (uint32_t)tsf); 1680 urtwn_write_4(sc, R92C_TSFTR + 4, (uint32_t)(tsf >> 32)); 1681 1682 urtwn_write_1(sc, R92C_BCN_CTRL, 1683 urtwn_read_1(sc, R92C_BCN_CTRL) | R92C_BCN_CTRL_EN_BCN); 1684 } 1685 1686 static void 1687 urtwn_set_led(struct urtwn_softc *sc, int led, int on) 1688 { 1689 uint8_t reg; 1690 1691 DPRINTFN(DBG_FN, ("%s: %s: led=%d, on=%d\n", device_xname(sc->sc_dev), 1692 __func__, led, on)); 1693 1694 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1695 1696 if (led == URTWN_LED_LINK) { 1697 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 1698 urtwn_write_1(sc, 0x64, urtwn_read_1(sc, 0x64) & 0xfe); 1699 reg = urtwn_read_1(sc, R92C_LEDCFG1) & R92E_LEDSON; 1700 urtwn_write_1(sc, R92C_LEDCFG1, reg | 1701 (R92C_LEDCFG0_DIS << 1)); 1702 if (on) { 1703 reg = urtwn_read_1(sc, R92C_LEDCFG1) & 1704 R92E_LEDSON; 1705 urtwn_write_1(sc, R92C_LEDCFG1, reg); 1706 } 1707 } else if (ISSET(sc->chip, URTWN_CHIP_88E)) { 1708 reg = urtwn_read_1(sc, R92C_LEDCFG2) & 0xf0; 1709 urtwn_write_1(sc, R92C_LEDCFG2, reg | 0x60); 1710 if (!on) { 1711 reg = urtwn_read_1(sc, R92C_LEDCFG2) & 0x90; 1712 urtwn_write_1(sc, R92C_LEDCFG2, 1713 reg | R92C_LEDCFG0_DIS); 1714 reg = urtwn_read_1(sc, R92C_MAC_PINMUX_CFG); 1715 urtwn_write_1(sc, R92C_MAC_PINMUX_CFG, 1716 reg & 0xfe); 1717 } 1718 } else { 1719 reg = urtwn_read_1(sc, R92C_LEDCFG0) & 0x70; 1720 if (!on) { 1721 reg |= R92C_LEDCFG0_DIS; 1722 } 1723 urtwn_write_1(sc, R92C_LEDCFG0, reg); 1724 } 1725 sc->ledlink = on; /* Save LED state. */ 1726 } 1727 } 1728 1729 static void 1730 urtwn_calib_to(void *arg) 1731 { 1732 struct urtwn_softc *sc = arg; 1733 1734 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1735 1736 if (sc->sc_dying) 1737 return; 1738 1739 /* Do it in a process context. */ 1740 urtwn_do_async(sc, urtwn_calib_to_cb, NULL, 0); 1741 } 1742 1743 /* ARGSUSED */ 1744 static void 1745 urtwn_calib_to_cb(struct urtwn_softc *sc, void *arg) 1746 { 1747 struct r92c_fw_cmd_rssi cmd; 1748 struct r92e_fw_cmd_rssi cmde; 1749 1750 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1751 1752 if (sc->sc_ic.ic_state != IEEE80211_S_RUN) 1753 goto restart_timer; 1754 1755 mutex_enter(&sc->sc_write_mtx); 1756 if (sc->avg_pwdb != -1) { 1757 /* Indicate Rx signal strength to FW for rate adaptation. */ 1758 memset(&cmd, 0, sizeof(cmd)); 1759 memset(&cmde, 0, sizeof(cmde)); 1760 cmd.macid = 0; /* BSS. */ 1761 cmde.macid = 0; /* BSS. */ 1762 cmd.pwdb = sc->avg_pwdb; 1763 cmde.pwdb = sc->avg_pwdb; 1764 DPRINTFN(DBG_RF, ("%s: %s: sending RSSI command avg=%d\n", 1765 device_xname(sc->sc_dev), __func__, sc->avg_pwdb)); 1766 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) { 1767 urtwn_fw_cmd(sc, R92C_CMD_RSSI_SETTING, &cmd, 1768 sizeof(cmd)); 1769 } else { 1770 urtwn_fw_cmd(sc, R92E_CMD_RSSI_REPORT, &cmde, 1771 sizeof(cmde)); 1772 } 1773 } 1774 1775 /* Do temperature compensation. */ 1776 urtwn_temp_calib(sc); 1777 mutex_exit(&sc->sc_write_mtx); 1778 1779 restart_timer: 1780 if (!sc->sc_dying) { 1781 /* Restart calibration timer. */ 1782 callout_schedule(&sc->sc_calib_to, hz); 1783 } 1784 } 1785 1786 static void 1787 urtwn_next_scan(void *arg) 1788 { 1789 struct urtwn_softc *sc = arg; 1790 int s; 1791 1792 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 1793 1794 if (sc->sc_dying) 1795 return; 1796 1797 s = splnet(); 1798 if (sc->sc_ic.ic_state == IEEE80211_S_SCAN) 1799 ieee80211_next_scan(&sc->sc_ic); 1800 splx(s); 1801 } 1802 1803 static void 1804 urtwn_newassoc(struct ieee80211_node *ni, int isnew) 1805 { 1806 DPRINTFN(DBG_FN, ("%s: new node %s\n", __func__, 1807 ether_sprintf(ni->ni_macaddr))); 1808 /* start with lowest Tx rate */ 1809 ni->ni_txrate = 0; 1810 } 1811 1812 static int 1813 urtwn_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 1814 { 1815 struct urtwn_softc *sc = ic->ic_ifp->if_softc; 1816 struct urtwn_cmd_newstate cmd; 1817 1818 DPRINTFN(DBG_FN, ("%s: %s: nstate=%s(%d), arg=%d\n", 1819 device_xname(sc->sc_dev), __func__, 1820 ieee80211_state_name[nstate], nstate, arg)); 1821 1822 callout_stop(&sc->sc_scan_to); 1823 callout_stop(&sc->sc_calib_to); 1824 1825 /* Do it in a process context. */ 1826 cmd.state = nstate; 1827 cmd.arg = arg; 1828 urtwn_do_async(sc, urtwn_newstate_cb, &cmd, sizeof(cmd)); 1829 return 0; 1830 } 1831 1832 static void 1833 urtwn_newstate_cb(struct urtwn_softc *sc, void *arg) 1834 { 1835 struct urtwn_cmd_newstate *cmd = arg; 1836 struct ieee80211com *ic = &sc->sc_ic; 1837 struct ieee80211_node *ni; 1838 enum ieee80211_state ostate = ic->ic_state; 1839 enum ieee80211_state nstate = cmd->state; 1840 uint32_t reg; 1841 uint8_t sifs_time, msr; 1842 int s; 1843 1844 DPRINTFN(DBG_FN|DBG_STM, ("%s: %s: %s(%d)->%s(%d)\n", 1845 device_xname(sc->sc_dev), __func__, 1846 ieee80211_state_name[ostate], ostate, 1847 ieee80211_state_name[nstate], nstate)); 1848 1849 s = splnet(); 1850 mutex_enter(&sc->sc_write_mtx); 1851 1852 callout_stop(&sc->sc_scan_to); 1853 callout_stop(&sc->sc_calib_to); 1854 1855 switch (ostate) { 1856 case IEEE80211_S_INIT: 1857 break; 1858 1859 case IEEE80211_S_SCAN: 1860 if (nstate != IEEE80211_S_SCAN) { 1861 /* 1862 * End of scanning 1863 */ 1864 /* flush 4-AC Queue after site_survey */ 1865 urtwn_write_1(sc, R92C_TXPAUSE, 0x0); 1866 1867 /* Allow Rx from our BSSID only. */ 1868 urtwn_write_4(sc, R92C_RCR, 1869 urtwn_read_4(sc, R92C_RCR) | 1870 R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN); 1871 } 1872 break; 1873 1874 case IEEE80211_S_AUTH: 1875 case IEEE80211_S_ASSOC: 1876 break; 1877 1878 case IEEE80211_S_RUN: 1879 /* Turn link LED off. */ 1880 urtwn_set_led(sc, URTWN_LED_LINK, 0); 1881 1882 /* Set media status to 'No Link'. */ 1883 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 1884 1885 /* Stop Rx of data frames. */ 1886 urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1887 1888 /* Reset TSF. */ 1889 urtwn_write_1(sc, R92C_DUAL_TSF_RST, 0x03); 1890 1891 /* Disable TSF synchronization. */ 1892 urtwn_write_1(sc, R92C_BCN_CTRL, 1893 urtwn_read_1(sc, R92C_BCN_CTRL) | 1894 R92C_BCN_CTRL_DIS_TSF_UDT0); 1895 1896 /* Back to 20MHz mode */ 1897 urtwn_set_chan(sc, ic->ic_curchan, 1898 IEEE80211_HTINFO_2NDCHAN_NONE); 1899 1900 if (ic->ic_opmode == IEEE80211_M_IBSS || 1901 ic->ic_opmode == IEEE80211_M_HOSTAP) { 1902 /* Stop BCN */ 1903 urtwn_write_1(sc, R92C_BCN_CTRL, 1904 urtwn_read_1(sc, R92C_BCN_CTRL) & 1905 ~(R92C_BCN_CTRL_EN_BCN | R92C_BCN_CTRL_TXBCN_RPT)); 1906 } 1907 1908 /* Reset EDCA parameters. */ 1909 urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217); 1910 urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317); 1911 urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320); 1912 urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444); 1913 1914 /* flush all cam entries */ 1915 urtwn_cam_init(sc); 1916 break; 1917 } 1918 1919 switch (nstate) { 1920 case IEEE80211_S_INIT: 1921 /* Turn link LED off. */ 1922 urtwn_set_led(sc, URTWN_LED_LINK, 0); 1923 break; 1924 1925 case IEEE80211_S_SCAN: 1926 if (ostate != IEEE80211_S_SCAN) { 1927 /* 1928 * Begin of scanning 1929 */ 1930 1931 /* Set gain for scanning. */ 1932 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 1933 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 1934 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 1935 1936 if (!ISSET(sc->chip, URTWN_CHIP_88E)) { 1937 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 1938 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 1939 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 1940 } 1941 1942 /* Set media status to 'No Link'. */ 1943 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 1944 1945 /* Allow Rx from any BSSID. */ 1946 urtwn_write_4(sc, R92C_RCR, 1947 urtwn_read_4(sc, R92C_RCR) & 1948 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 1949 1950 /* Stop Rx of data frames. */ 1951 urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1952 1953 /* Disable update TSF */ 1954 urtwn_write_1(sc, R92C_BCN_CTRL, 1955 urtwn_read_1(sc, R92C_BCN_CTRL) | 1956 R92C_BCN_CTRL_DIS_TSF_UDT0); 1957 } 1958 1959 /* Make link LED blink during scan. */ 1960 urtwn_set_led(sc, URTWN_LED_LINK, !sc->ledlink); 1961 1962 /* Pause AC Tx queues. */ 1963 urtwn_write_1(sc, R92C_TXPAUSE, 1964 urtwn_read_1(sc, R92C_TXPAUSE) | 0x0f); 1965 1966 urtwn_set_chan(sc, ic->ic_curchan, 1967 IEEE80211_HTINFO_2NDCHAN_NONE); 1968 1969 /* Start periodic scan. */ 1970 if (!sc->sc_dying) 1971 callout_schedule(&sc->sc_scan_to, hz / 5); 1972 break; 1973 1974 case IEEE80211_S_AUTH: 1975 /* Set initial gain under link. */ 1976 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 1977 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 1978 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 1979 1980 if (!ISSET(sc->chip, URTWN_CHIP_88E)) { 1981 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 1982 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 1983 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 1984 } 1985 1986 /* Set media status to 'No Link'. */ 1987 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 1988 1989 /* Allow Rx from any BSSID. */ 1990 urtwn_write_4(sc, R92C_RCR, 1991 urtwn_read_4(sc, R92C_RCR) & 1992 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 1993 1994 urtwn_set_chan(sc, ic->ic_curchan, 1995 IEEE80211_HTINFO_2NDCHAN_NONE); 1996 break; 1997 1998 case IEEE80211_S_ASSOC: 1999 break; 2000 2001 case IEEE80211_S_RUN: 2002 ni = ic->ic_bss; 2003 2004 /* XXX: Set 20MHz mode */ 2005 urtwn_set_chan(sc, ic->ic_curchan, 2006 IEEE80211_HTINFO_2NDCHAN_NONE); 2007 2008 if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2009 /* Back to 20MHz mode */ 2010 urtwn_set_chan(sc, ic->ic_curchan, 2011 IEEE80211_HTINFO_2NDCHAN_NONE); 2012 2013 /* Set media status to 'No Link'. */ 2014 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 2015 2016 /* Enable Rx of data frames. */ 2017 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 2018 2019 /* Allow Rx from any BSSID. */ 2020 urtwn_write_4(sc, R92C_RCR, 2021 urtwn_read_4(sc, R92C_RCR) & 2022 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 2023 2024 /* Accept Rx data/control/management frames */ 2025 urtwn_write_4(sc, R92C_RCR, 2026 urtwn_read_4(sc, R92C_RCR) | 2027 R92C_RCR_ADF | R92C_RCR_ACF | R92C_RCR_AMF); 2028 2029 /* Turn link LED on. */ 2030 urtwn_set_led(sc, URTWN_LED_LINK, 1); 2031 break; 2032 } 2033 2034 /* Set media status to 'Associated'. */ 2035 urtwn_set_nettype0_msr(sc, urtwn_get_nettype(sc)); 2036 2037 /* Set BSSID. */ 2038 urtwn_write_4(sc, R92C_BSSID + 0, LE_READ_4(&ni->ni_bssid[0])); 2039 urtwn_write_4(sc, R92C_BSSID + 4, LE_READ_2(&ni->ni_bssid[4])); 2040 2041 if (ic->ic_curmode == IEEE80211_MODE_11B) { 2042 urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 0); 2043 } else { 2044 /* 802.11b/g */ 2045 urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 3); 2046 } 2047 2048 /* Enable Rx of data frames. */ 2049 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 2050 2051 /* Set beacon interval. */ 2052 urtwn_write_2(sc, R92C_BCN_INTERVAL, ni->ni_intval); 2053 2054 msr = urtwn_read_1(sc, R92C_MSR); 2055 msr &= R92C_MSR_MASK; 2056 switch (ic->ic_opmode) { 2057 case IEEE80211_M_STA: 2058 /* Allow Rx from our BSSID only. */ 2059 urtwn_write_4(sc, R92C_RCR, 2060 urtwn_read_4(sc, R92C_RCR) | 2061 R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN); 2062 2063 /* Enable TSF synchronization. */ 2064 urtwn_tsf_sync_enable(sc); 2065 2066 msr |= R92C_MSR_INFRA; 2067 break; 2068 case IEEE80211_M_HOSTAP: 2069 urtwn_write_2(sc, R92C_BCNTCFG, 0x000f); 2070 2071 /* Allow Rx from any BSSID. */ 2072 urtwn_write_4(sc, R92C_RCR, 2073 urtwn_read_4(sc, R92C_RCR) & 2074 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 2075 2076 /* Reset TSF timer to zero. */ 2077 reg = urtwn_read_4(sc, R92C_TCR); 2078 reg &= ~0x01; 2079 urtwn_write_4(sc, R92C_TCR, reg); 2080 reg |= 0x01; 2081 urtwn_write_4(sc, R92C_TCR, reg); 2082 2083 msr |= R92C_MSR_AP; 2084 break; 2085 default: 2086 msr |= R92C_MSR_ADHOC; 2087 break; 2088 } 2089 urtwn_write_1(sc, R92C_MSR, msr); 2090 2091 sifs_time = 10; 2092 urtwn_write_1(sc, R92C_SIFS_CCK + 1, sifs_time); 2093 urtwn_write_1(sc, R92C_SIFS_OFDM + 1, sifs_time); 2094 urtwn_write_1(sc, R92C_SPEC_SIFS + 1, sifs_time); 2095 urtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, sifs_time); 2096 urtwn_write_1(sc, R92C_R2T_SIFS + 1, sifs_time); 2097 urtwn_write_1(sc, R92C_T2T_SIFS + 1, sifs_time); 2098 2099 /* Intialize rate adaptation. */ 2100 if (ISSET(sc->chip, URTWN_CHIP_88E) || 2101 ISSET(sc->chip, URTWN_CHIP_92EU)) 2102 ni->ni_txrate = ni->ni_rates.rs_nrates - 1; 2103 else 2104 urtwn_ra_init(sc); 2105 2106 /* Turn link LED on. */ 2107 urtwn_set_led(sc, URTWN_LED_LINK, 1); 2108 2109 /* Reset average RSSI. */ 2110 sc->avg_pwdb = -1; 2111 2112 /* Reset temperature calibration state machine. */ 2113 sc->thcal_state = 0; 2114 sc->thcal_lctemp = 0; 2115 2116 /* Start periodic calibration. */ 2117 if (!sc->sc_dying) 2118 callout_schedule(&sc->sc_calib_to, hz); 2119 break; 2120 } 2121 2122 (*sc->sc_newstate)(ic, nstate, cmd->arg); 2123 2124 mutex_exit(&sc->sc_write_mtx); 2125 splx(s); 2126 } 2127 2128 static int 2129 urtwn_wme_update(struct ieee80211com *ic) 2130 { 2131 struct urtwn_softc *sc = ic->ic_ifp->if_softc; 2132 2133 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2134 2135 /* don't override default WME values if WME is not actually enabled */ 2136 if (!(ic->ic_flags & IEEE80211_F_WME)) 2137 return 0; 2138 2139 /* Do it in a process context. */ 2140 urtwn_do_async(sc, urtwn_wme_update_cb, NULL, 0); 2141 return 0; 2142 } 2143 2144 static void 2145 urtwn_wme_update_cb(struct urtwn_softc *sc, void *arg) 2146 { 2147 static const uint16_t ac2reg[WME_NUM_AC] = { 2148 R92C_EDCA_BE_PARAM, 2149 R92C_EDCA_BK_PARAM, 2150 R92C_EDCA_VI_PARAM, 2151 R92C_EDCA_VO_PARAM 2152 }; 2153 struct ieee80211com *ic = &sc->sc_ic; 2154 const struct wmeParams *wmep; 2155 int ac, aifs, slottime; 2156 int s; 2157 2158 DPRINTFN(DBG_FN|DBG_STM, ("%s: %s\n", device_xname(sc->sc_dev), 2159 __func__)); 2160 2161 s = splnet(); 2162 mutex_enter(&sc->sc_write_mtx); 2163 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 2164 for (ac = 0; ac < WME_NUM_AC; ac++) { 2165 wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac]; 2166 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 2167 aifs = wmep->wmep_aifsn * slottime + 10; 2168 urtwn_write_4(sc, ac2reg[ac], 2169 SM(R92C_EDCA_PARAM_TXOP, wmep->wmep_txopLimit) | 2170 SM(R92C_EDCA_PARAM_ECWMIN, wmep->wmep_logcwmin) | 2171 SM(R92C_EDCA_PARAM_ECWMAX, wmep->wmep_logcwmax) | 2172 SM(R92C_EDCA_PARAM_AIFS, aifs)); 2173 } 2174 mutex_exit(&sc->sc_write_mtx); 2175 splx(s); 2176 } 2177 2178 static void 2179 urtwn_update_avgrssi(struct urtwn_softc *sc, int rate, int8_t rssi) 2180 { 2181 int pwdb; 2182 2183 DPRINTFN(DBG_FN, ("%s: %s: rate=%d, rsst=%d\n", 2184 device_xname(sc->sc_dev), __func__, rate, rssi)); 2185 2186 /* Convert antenna signal to percentage. */ 2187 if (rssi <= -100 || rssi >= 20) 2188 pwdb = 0; 2189 else if (rssi >= 0) 2190 pwdb = 100; 2191 else 2192 pwdb = 100 + rssi; 2193 if (!ISSET(sc->chip, URTWN_CHIP_88E)) { 2194 if (rate <= 3) { 2195 /* CCK gain is smaller than OFDM/MCS gain. */ 2196 pwdb += 6; 2197 if (pwdb > 100) 2198 pwdb = 100; 2199 if (pwdb <= 14) 2200 pwdb -= 4; 2201 else if (pwdb <= 26) 2202 pwdb -= 8; 2203 else if (pwdb <= 34) 2204 pwdb -= 6; 2205 else if (pwdb <= 42) 2206 pwdb -= 2; 2207 } 2208 } 2209 if (sc->avg_pwdb == -1) /* Init. */ 2210 sc->avg_pwdb = pwdb; 2211 else if (sc->avg_pwdb < pwdb) 2212 sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20) + 1; 2213 else 2214 sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20); 2215 2216 DPRINTFN(DBG_RF, ("%s: %s: rate=%d rssi=%d PWDB=%d EMA=%d\n", 2217 device_xname(sc->sc_dev), __func__, 2218 rate, rssi, pwdb, sc->avg_pwdb)); 2219 } 2220 2221 static int8_t 2222 urtwn_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 2223 { 2224 static const int8_t cckoff[] = { 16, -12, -26, -46 }; 2225 struct r92c_rx_phystat *phy; 2226 struct r92c_rx_cck *cck; 2227 uint8_t rpt; 2228 int8_t rssi; 2229 2230 DPRINTFN(DBG_FN, ("%s: %s: rate=%d\n", device_xname(sc->sc_dev), 2231 __func__, rate)); 2232 2233 if (rate <= 3) { 2234 cck = (struct r92c_rx_cck *)physt; 2235 if (ISSET(sc->sc_flags, URTWN_FLAG_CCK_HIPWR)) { 2236 rpt = (cck->agc_rpt >> 5) & 0x3; 2237 rssi = (cck->agc_rpt & 0x1f) << 1; 2238 } else { 2239 rpt = (cck->agc_rpt >> 6) & 0x3; 2240 rssi = cck->agc_rpt & 0x3e; 2241 } 2242 rssi = cckoff[rpt] - rssi; 2243 } else { /* OFDM/HT. */ 2244 phy = (struct r92c_rx_phystat *)physt; 2245 rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 2246 } 2247 return rssi; 2248 } 2249 2250 static int8_t 2251 urtwn_r88e_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 2252 { 2253 struct r92c_rx_phystat *phy; 2254 struct r88e_rx_cck *cck; 2255 uint8_t cck_agc_rpt, lna_idx, vga_idx; 2256 int8_t rssi; 2257 2258 DPRINTFN(DBG_FN, ("%s: %s: rate=%d\n", device_xname(sc->sc_dev), 2259 __func__, rate)); 2260 2261 rssi = 0; 2262 if (rate <= 3) { 2263 cck = (struct r88e_rx_cck *)physt; 2264 cck_agc_rpt = cck->agc_rpt; 2265 lna_idx = (cck_agc_rpt & 0xe0) >> 5; 2266 vga_idx = cck_agc_rpt & 0x1f; 2267 switch (lna_idx) { 2268 case 7: 2269 if (vga_idx <= 27) 2270 rssi = -100 + 2* (27 - vga_idx); 2271 else 2272 rssi = -100; 2273 break; 2274 case 6: 2275 rssi = -48 + 2 * (2 - vga_idx); 2276 break; 2277 case 5: 2278 rssi = -42 + 2 * (7 - vga_idx); 2279 break; 2280 case 4: 2281 rssi = -36 + 2 * (7 - vga_idx); 2282 break; 2283 case 3: 2284 rssi = -24 + 2 * (7 - vga_idx); 2285 break; 2286 case 2: 2287 rssi = -12 + 2 * (5 - vga_idx); 2288 break; 2289 case 1: 2290 rssi = 8 - (2 * vga_idx); 2291 break; 2292 case 0: 2293 rssi = 14 - (2 * vga_idx); 2294 break; 2295 } 2296 rssi += 6; 2297 } else { /* OFDM/HT. */ 2298 phy = (struct r92c_rx_phystat *)physt; 2299 rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 2300 } 2301 return rssi; 2302 } 2303 2304 static void 2305 urtwn_rx_frame(struct urtwn_softc *sc, uint8_t *buf, int pktlen) 2306 { 2307 struct ieee80211com *ic = &sc->sc_ic; 2308 struct ifnet *ifp = ic->ic_ifp; 2309 struct ieee80211_frame *wh; 2310 struct ieee80211_node *ni; 2311 struct r92c_rx_stat *stat; 2312 uint32_t rxdw0, rxdw3; 2313 struct mbuf *m; 2314 uint8_t rate; 2315 int8_t rssi = 0; 2316 int s, infosz; 2317 2318 DPRINTFN(DBG_FN, ("%s: %s: buf=%p, pktlen=%d\n", 2319 device_xname(sc->sc_dev), __func__, buf, pktlen)); 2320 2321 stat = (struct r92c_rx_stat *)buf; 2322 rxdw0 = le32toh(stat->rxdw0); 2323 rxdw3 = le32toh(stat->rxdw3); 2324 2325 if (__predict_false(rxdw0 & (R92C_RXDW0_CRCERR | R92C_RXDW0_ICVERR))) { 2326 /* 2327 * This should not happen since we setup our Rx filter 2328 * to not receive these frames. 2329 */ 2330 DPRINTFN(DBG_RX, ("%s: %s: CRC error\n", 2331 device_xname(sc->sc_dev), __func__)); 2332 ifp->if_ierrors++; 2333 return; 2334 } 2335 /* 2336 * XXX: This will drop most control packets. Do we really 2337 * want this in IEEE80211_M_MONITOR mode? 2338 */ 2339 // if (__predict_false(pktlen < (int)sizeof(*wh))) { 2340 if (__predict_false(pktlen < (int)sizeof(struct ieee80211_frame_ack))) { 2341 DPRINTFN(DBG_RX, ("%s: %s: packet too short %d\n", 2342 device_xname(sc->sc_dev), __func__, pktlen)); 2343 ic->ic_stats.is_rx_tooshort++; 2344 ifp->if_ierrors++; 2345 return; 2346 } 2347 if (__predict_false(pktlen > MCLBYTES)) { 2348 DPRINTFN(DBG_RX, ("%s: %s: packet too big %d\n", 2349 device_xname(sc->sc_dev), __func__, pktlen)); 2350 ifp->if_ierrors++; 2351 return; 2352 } 2353 2354 rate = MS(rxdw3, R92C_RXDW3_RATE); 2355 infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 2356 2357 /* Get RSSI from PHY status descriptor if present. */ 2358 if (infosz != 0 && (rxdw0 & R92C_RXDW0_PHYST)) { 2359 if (!ISSET(sc->chip, URTWN_CHIP_92C)) 2360 rssi = urtwn_r88e_get_rssi(sc, rate, &stat[1]); 2361 else 2362 rssi = urtwn_get_rssi(sc, rate, &stat[1]); 2363 /* Update our average RSSI. */ 2364 urtwn_update_avgrssi(sc, rate, rssi); 2365 } 2366 2367 DPRINTFN(DBG_RX, ("%s: %s: Rx frame len=%d rate=%d infosz=%d rssi=%d\n", 2368 device_xname(sc->sc_dev), __func__, pktlen, rate, infosz, rssi)); 2369 2370 MGETHDR(m, M_DONTWAIT, MT_DATA); 2371 if (__predict_false(m == NULL)) { 2372 aprint_error_dev(sc->sc_dev, "couldn't allocate rx mbuf\n"); 2373 ic->ic_stats.is_rx_nobuf++; 2374 ifp->if_ierrors++; 2375 return; 2376 } 2377 if (pktlen > (int)MHLEN) { 2378 MCLGET(m, M_DONTWAIT); 2379 if (__predict_false(!(m->m_flags & M_EXT))) { 2380 aprint_error_dev(sc->sc_dev, 2381 "couldn't allocate rx mbuf cluster\n"); 2382 m_freem(m); 2383 ic->ic_stats.is_rx_nobuf++; 2384 ifp->if_ierrors++; 2385 return; 2386 } 2387 } 2388 2389 /* Finalize mbuf. */ 2390 m->m_pkthdr.rcvif = ifp; 2391 wh = (struct ieee80211_frame *)((uint8_t *)&stat[1] + infosz); 2392 memcpy(mtod(m, uint8_t *), wh, pktlen); 2393 m->m_pkthdr.len = m->m_len = pktlen; 2394 2395 s = splnet(); 2396 if (__predict_false(sc->sc_drvbpf != NULL)) { 2397 struct urtwn_rx_radiotap_header *tap = &sc->sc_rxtap; 2398 2399 tap->wr_flags = 0; 2400 if (!(rxdw3 & R92C_RXDW3_HT)) { 2401 switch (rate) { 2402 /* CCK. */ 2403 case 0: tap->wr_rate = 2; break; 2404 case 1: tap->wr_rate = 4; break; 2405 case 2: tap->wr_rate = 11; break; 2406 case 3: tap->wr_rate = 22; break; 2407 /* OFDM. */ 2408 case 4: tap->wr_rate = 12; break; 2409 case 5: tap->wr_rate = 18; break; 2410 case 6: tap->wr_rate = 24; break; 2411 case 7: tap->wr_rate = 36; break; 2412 case 8: tap->wr_rate = 48; break; 2413 case 9: tap->wr_rate = 72; break; 2414 case 10: tap->wr_rate = 96; break; 2415 case 11: tap->wr_rate = 108; break; 2416 } 2417 } else if (rate >= 12) { /* MCS0~15. */ 2418 /* Bit 7 set means HT MCS instead of rate. */ 2419 tap->wr_rate = 0x80 | (rate - 12); 2420 } 2421 tap->wr_dbm_antsignal = rssi; 2422 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 2423 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 2424 2425 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 2426 } 2427 2428 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 2429 2430 /* push the frame up to the 802.11 stack */ 2431 ieee80211_input(ic, m, ni, rssi, 0); 2432 2433 /* Node is no longer needed. */ 2434 ieee80211_free_node(ni); 2435 2436 splx(s); 2437 } 2438 2439 static void 2440 urtwn_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 2441 { 2442 struct urtwn_rx_data *data = priv; 2443 struct urtwn_softc *sc = data->sc; 2444 struct r92c_rx_stat *stat; 2445 size_t pidx = data->pidx; 2446 uint32_t rxdw0; 2447 uint8_t *buf; 2448 int len, totlen, pktlen, infosz, npkts; 2449 2450 DPRINTFN(DBG_FN|DBG_RX, ("%s: %s: status=%d\n", 2451 device_xname(sc->sc_dev), __func__, status)); 2452 2453 mutex_enter(&sc->sc_rx_mtx); 2454 TAILQ_REMOVE(&sc->rx_free_list[pidx], data, next); 2455 TAILQ_INSERT_TAIL(&sc->rx_free_list[pidx], data, next); 2456 /* Put this Rx buffer back to our free list. */ 2457 mutex_exit(&sc->sc_rx_mtx); 2458 2459 if (__predict_false(status != USBD_NORMAL_COMPLETION)) { 2460 if (status == USBD_STALLED) 2461 usbd_clear_endpoint_stall_async(sc->rx_pipe[pidx]); 2462 else if (status != USBD_CANCELLED) 2463 goto resubmit; 2464 return; 2465 } 2466 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2467 2468 if (__predict_false(len < (int)sizeof(*stat))) { 2469 DPRINTFN(DBG_RX, ("%s: %s: xfer too short %d\n", 2470 device_xname(sc->sc_dev), __func__, len)); 2471 goto resubmit; 2472 } 2473 buf = data->buf; 2474 2475 /* Get the number of encapsulated frames. */ 2476 stat = (struct r92c_rx_stat *)buf; 2477 npkts = MS(le32toh(stat->rxdw2), R92C_RXDW2_PKTCNT); 2478 DPRINTFN(DBG_RX, ("%s: %s: Rx %d frames in one chunk\n", 2479 device_xname(sc->sc_dev), __func__, npkts)); 2480 2481 /* Process all of them. */ 2482 while (npkts-- > 0) { 2483 if (__predict_false(len < (int)sizeof(*stat))) { 2484 DPRINTFN(DBG_RX, 2485 ("%s: %s: len(%d) is short than header\n", 2486 device_xname(sc->sc_dev), __func__, len)); 2487 break; 2488 } 2489 stat = (struct r92c_rx_stat *)buf; 2490 rxdw0 = le32toh(stat->rxdw0); 2491 2492 pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); 2493 if (__predict_false(pktlen == 0)) { 2494 DPRINTFN(DBG_RX, ("%s: %s: pktlen is 0 byte\n", 2495 device_xname(sc->sc_dev), __func__)); 2496 break; 2497 } 2498 2499 infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 2500 2501 /* Make sure everything fits in xfer. */ 2502 totlen = sizeof(*stat) + infosz + pktlen; 2503 if (__predict_false(totlen > len)) { 2504 DPRINTFN(DBG_RX, ("%s: %s: pktlen %d(%d+%d+%d) > %d\n", 2505 device_xname(sc->sc_dev), __func__, totlen, 2506 (int)sizeof(*stat), infosz, pktlen, len)); 2507 break; 2508 } 2509 2510 /* Process 802.11 frame. */ 2511 urtwn_rx_frame(sc, buf, pktlen); 2512 2513 /* Next chunk is 128-byte aligned. */ 2514 totlen = roundup2(totlen, 128); 2515 buf += totlen; 2516 len -= totlen; 2517 } 2518 2519 resubmit: 2520 /* Setup a new transfer. */ 2521 usbd_setup_xfer(xfer, data, data->buf, URTWN_RXBUFSZ, 2522 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, urtwn_rxeof); 2523 (void)usbd_transfer(xfer); 2524 } 2525 2526 static void 2527 urtwn_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 2528 { 2529 struct urtwn_tx_data *data = priv; 2530 struct urtwn_softc *sc = data->sc; 2531 struct ifnet *ifp = &sc->sc_if; 2532 size_t pidx = data->pidx; 2533 int s; 2534 2535 DPRINTFN(DBG_FN|DBG_TX, ("%s: %s: status=%d\n", 2536 device_xname(sc->sc_dev), __func__, status)); 2537 2538 mutex_enter(&sc->sc_tx_mtx); 2539 /* Put this Tx buffer back to our free list. */ 2540 TAILQ_INSERT_TAIL(&sc->tx_free_list[pidx], data, next); 2541 mutex_exit(&sc->sc_tx_mtx); 2542 2543 s = splnet(); 2544 sc->tx_timer = 0; 2545 ifp->if_flags &= ~IFF_OACTIVE; 2546 2547 if (__predict_false(status != USBD_NORMAL_COMPLETION)) { 2548 if (status != USBD_NOT_STARTED && status != USBD_CANCELLED) { 2549 if (status == USBD_STALLED) { 2550 struct usbd_pipe *pipe = sc->tx_pipe[pidx]; 2551 usbd_clear_endpoint_stall_async(pipe); 2552 } 2553 printf("ERROR1\n"); 2554 ifp->if_oerrors++; 2555 } 2556 splx(s); 2557 return; 2558 } 2559 2560 ifp->if_opackets++; 2561 urtwn_start(ifp); 2562 splx(s); 2563 2564 } 2565 2566 static int 2567 urtwn_tx(struct urtwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2568 struct urtwn_tx_data *data) 2569 { 2570 struct ieee80211com *ic = &sc->sc_ic; 2571 struct ieee80211_frame *wh; 2572 struct ieee80211_key *k = NULL; 2573 struct r92c_tx_desc *txd; 2574 size_t i, padsize, xferlen, txd_len; 2575 uint16_t seq, sum; 2576 uint8_t raid, type, tid; 2577 int s, hasqos, error; 2578 2579 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2580 2581 wh = mtod(m, struct ieee80211_frame *); 2582 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2583 txd_len = sizeof(*txd); 2584 2585 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) 2586 txd_len = 32; 2587 2588 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2589 k = ieee80211_crypto_encap(ic, ni, m); 2590 if (k == NULL) 2591 return ENOBUFS; 2592 2593 /* packet header may have moved, reset our local pointer */ 2594 wh = mtod(m, struct ieee80211_frame *); 2595 } 2596 2597 if (__predict_false(sc->sc_drvbpf != NULL)) { 2598 struct urtwn_tx_radiotap_header *tap = &sc->sc_txtap; 2599 2600 tap->wt_flags = 0; 2601 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2602 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2603 if (wh->i_fc[1] & IEEE80211_FC1_WEP) 2604 tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2605 2606 /* XXX: set tap->wt_rate? */ 2607 2608 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m); 2609 } 2610 2611 /* non-qos data frames */ 2612 tid = R92C_TXDW1_QSEL_BE; 2613 if ((hasqos = ieee80211_has_qos(wh))) { 2614 /* data frames in 11n mode */ 2615 struct ieee80211_qosframe *qwh = (void *)wh; 2616 tid = qwh->i_qos[0] & IEEE80211_QOS_TID; 2617 } else if (type != IEEE80211_FC0_TYPE_DATA) { 2618 tid = R92C_TXDW1_QSEL_MGNT; 2619 } 2620 2621 if (((txd_len + m->m_pkthdr.len) % 64) == 0) /* XXX: 64 */ 2622 padsize = 8; 2623 else 2624 padsize = 0; 2625 2626 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 2627 padsize = 0; 2628 2629 /* Fill Tx descriptor. */ 2630 txd = (struct r92c_tx_desc *)data->buf; 2631 memset(txd, 0, txd_len + padsize); 2632 2633 txd->txdw0 |= htole32( 2634 SM(R92C_TXDW0_PKTLEN, m->m_pkthdr.len) | 2635 SM(R92C_TXDW0_OFFSET, txd_len)); 2636 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) { 2637 txd->txdw0 |= htole32( 2638 R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 2639 } 2640 2641 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2642 txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 2643 2644 /* fix pad field */ 2645 if (padsize > 0) { 2646 DPRINTFN(DBG_TX, ("%s: %s: padding: size=%zd\n", 2647 device_xname(sc->sc_dev), __func__, padsize)); 2648 txd->txdw1 |= htole32(SM(R92C_TXDW1_PKTOFF, (padsize / 8))); 2649 } 2650 2651 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 2652 type == IEEE80211_FC0_TYPE_DATA) { 2653 if (ic->ic_curmode == IEEE80211_MODE_11B) 2654 raid = R92C_RAID_11B; 2655 else 2656 raid = R92C_RAID_11BG; 2657 DPRINTFN(DBG_TX, 2658 ("%s: %s: data packet: tid=%d, raid=%d\n", 2659 device_xname(sc->sc_dev), __func__, tid, raid)); 2660 2661 if (!ISSET(sc->chip, URTWN_CHIP_92C)) { 2662 txd->txdw1 |= htole32( 2663 SM(R88E_TXDW1_MACID, URTWN_MACID_BSS) | 2664 SM(R92C_TXDW1_QSEL, tid) | 2665 SM(R92C_TXDW1_RAID, raid) | 2666 R92C_TXDW1_AGGBK); 2667 } else 2668 txd->txdw1 |= htole32( 2669 SM(R92C_TXDW1_MACID, URTWN_MACID_BSS) | 2670 SM(R92C_TXDW1_QSEL, tid) | 2671 SM(R92C_TXDW1_RAID, raid) | 2672 R92C_TXDW1_AGGBK); 2673 2674 if (ISSET(sc->chip, URTWN_CHIP_88E)) 2675 txd->txdw2 |= htole32(R88E_TXDW2_AGGBK); 2676 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 2677 txd->txdw3 |= htole32(R92E_TXDW3_AGGBK); 2678 2679 if (hasqos) { 2680 txd->txdw4 |= htole32(R92C_TXDW4_QOS); 2681 } 2682 2683 if (ic->ic_flags & IEEE80211_F_USEPROT) { 2684 /* for 11g */ 2685 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 2686 txd->txdw4 |= htole32(R92C_TXDW4_CTS2SELF | 2687 R92C_TXDW4_HWRTSEN); 2688 } else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) { 2689 txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 2690 R92C_TXDW4_HWRTSEN); 2691 } 2692 } 2693 /* Send RTS at OFDM24. */ 2694 txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, 8)); 2695 txd->txdw5 |= htole32(0x0001ff00); 2696 /* Send data at OFDM54. */ 2697 if (ISSET(sc->chip, URTWN_CHIP_88E)) 2698 txd->txdw5 |= htole32(0x13 & 0x3f); 2699 else 2700 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 11)); 2701 } else if (type == IEEE80211_FC0_TYPE_MGT) { 2702 DPRINTFN(DBG_TX, ("%s: %s: mgmt packet\n", 2703 device_xname(sc->sc_dev), __func__)); 2704 txd->txdw1 |= htole32( 2705 SM(R92C_TXDW1_MACID, URTWN_MACID_BSS) | 2706 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_MGNT) | 2707 SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 2708 2709 /* Force CCK1. */ 2710 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 2711 /* Use 1Mbps */ 2712 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 2713 } else { 2714 /* broadcast or multicast packets */ 2715 DPRINTFN(DBG_TX, ("%s: %s: bc or mc packet\n", 2716 device_xname(sc->sc_dev), __func__)); 2717 txd->txdw1 |= htole32( 2718 SM(R92C_TXDW1_MACID, URTWN_MACID_BC) | 2719 SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 2720 2721 /* Force CCK1. */ 2722 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 2723 /* Use 1Mbps */ 2724 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 2725 } 2726 /* Set sequence number */ 2727 seq = LE_READ_2(&wh->i_seq[0]) >> IEEE80211_SEQ_SEQ_SHIFT; 2728 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) { 2729 txd->txdseq |= htole16(seq); 2730 2731 if (!hasqos) { 2732 /* Use HW sequence numbering for non-QoS frames. */ 2733 txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ); 2734 txd->txdseq |= htole16(R92C_HWSEQ_EN); 2735 } 2736 } else { 2737 txd->txdseq2 |= htole16((seq & R92E_HWSEQ_MASK) << 2738 R92E_HWSEQ_SHIFT); 2739 if (!hasqos) { 2740 /* Use HW sequence numbering for non-QoS frames. */ 2741 txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ); 2742 txd->txdw7 |= htole16(R92C_HWSEQ_EN); 2743 } 2744 } 2745 2746 /* Compute Tx descriptor checksum. */ 2747 sum = 0; 2748 for (i = 0; i < R92C_TXDESC_SUMSIZE / 2; i++) 2749 sum ^= ((uint16_t *)txd)[i]; 2750 txd->txdsum = sum; /* NB: already little endian. */ 2751 2752 xferlen = txd_len + m->m_pkthdr.len + padsize; 2753 m_copydata(m, 0, m->m_pkthdr.len, (char *)&txd[0] + txd_len + padsize); 2754 2755 s = splnet(); 2756 usbd_setup_xfer(data->xfer, data, data->buf, xferlen, 2757 USBD_FORCE_SHORT_XFER, URTWN_TX_TIMEOUT, 2758 urtwn_txeof); 2759 error = usbd_transfer(data->xfer); 2760 if (__predict_false(error != USBD_NORMAL_COMPLETION && 2761 error != USBD_IN_PROGRESS)) { 2762 splx(s); 2763 DPRINTFN(DBG_TX, ("%s: %s: transfer failed %d\n", 2764 device_xname(sc->sc_dev), __func__, error)); 2765 return error; 2766 } 2767 splx(s); 2768 return 0; 2769 } 2770 2771 struct urtwn_tx_data * 2772 urtwn_get_tx_data(struct urtwn_softc *sc, size_t pidx) 2773 { 2774 struct urtwn_tx_data *data = NULL; 2775 2776 mutex_enter(&sc->sc_tx_mtx); 2777 if (!TAILQ_EMPTY(&sc->tx_free_list[pidx])) { 2778 data = TAILQ_FIRST(&sc->tx_free_list[pidx]); 2779 TAILQ_REMOVE(&sc->tx_free_list[pidx], data, next); 2780 } 2781 mutex_exit(&sc->sc_tx_mtx); 2782 2783 return data; 2784 } 2785 2786 static void 2787 urtwn_start(struct ifnet *ifp) 2788 { 2789 struct urtwn_softc *sc = ifp->if_softc; 2790 struct ieee80211com *ic = &sc->sc_ic; 2791 struct urtwn_tx_data *data; 2792 struct ether_header *eh; 2793 struct ieee80211_node *ni; 2794 struct mbuf *m; 2795 2796 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2797 2798 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 2799 return; 2800 2801 data = NULL; 2802 for (;;) { 2803 /* Send pending management frames first. */ 2804 IF_POLL(&ic->ic_mgtq, m); 2805 if (m != NULL) { 2806 /* Use AC_VO for management frames. */ 2807 2808 data = urtwn_get_tx_data(sc, sc->ac2idx[WME_AC_VO]); 2809 2810 if (data == NULL) { 2811 ifp->if_flags |= IFF_OACTIVE; 2812 DPRINTFN(DBG_TX, ("%s: empty tx_free_list\n", 2813 device_xname(sc->sc_dev))); 2814 return; 2815 } 2816 IF_DEQUEUE(&ic->ic_mgtq, m); 2817 ni = M_GETCTX(m, struct ieee80211_node *); 2818 M_CLEARCTX(m); 2819 goto sendit; 2820 } 2821 if (ic->ic_state != IEEE80211_S_RUN) 2822 break; 2823 2824 /* Encapsulate and send data frames. */ 2825 IFQ_POLL(&ifp->if_snd, m); 2826 if (m == NULL) 2827 break; 2828 2829 struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *); 2830 uint8_t type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2831 uint8_t qid = WME_AC_BE; 2832 if (ieee80211_has_qos(wh)) { 2833 /* data frames in 11n mode */ 2834 struct ieee80211_qosframe *qwh = (void *)wh; 2835 uint8_t tid = qwh->i_qos[0] & IEEE80211_QOS_TID; 2836 qid = TID_TO_WME_AC(tid); 2837 } else if (type != IEEE80211_FC0_TYPE_DATA) { 2838 qid = WME_AC_VO; 2839 } 2840 data = urtwn_get_tx_data(sc, sc->ac2idx[qid]); 2841 2842 if (data == NULL) { 2843 ifp->if_flags |= IFF_OACTIVE; 2844 DPRINTFN(DBG_TX, ("%s: empty tx_free_list\n", 2845 device_xname(sc->sc_dev))); 2846 return; 2847 } 2848 IFQ_DEQUEUE(&ifp->if_snd, m); 2849 2850 if (m->m_len < (int)sizeof(*eh) && 2851 (m = m_pullup(m, sizeof(*eh))) == NULL) { 2852 printf("ERROR6\n"); 2853 ifp->if_oerrors++; 2854 continue; 2855 } 2856 eh = mtod(m, struct ether_header *); 2857 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2858 if (ni == NULL) { 2859 m_freem(m); 2860 printf("ERROR5\n"); 2861 ifp->if_oerrors++; 2862 continue; 2863 } 2864 2865 bpf_mtap(ifp, m); 2866 2867 if ((m = ieee80211_encap(ic, m, ni)) == NULL) { 2868 ieee80211_free_node(ni); 2869 printf("ERROR4\n"); 2870 ifp->if_oerrors++; 2871 continue; 2872 } 2873 sendit: 2874 bpf_mtap3(ic->ic_rawbpf, m); 2875 2876 if (urtwn_tx(sc, m, ni, data) != 0) { 2877 m_freem(m); 2878 ieee80211_free_node(ni); 2879 printf("ERROR3\n"); 2880 ifp->if_oerrors++; 2881 continue; 2882 } 2883 m_freem(m); 2884 ieee80211_free_node(ni); 2885 sc->tx_timer = 5; 2886 ifp->if_timer = 1; 2887 } 2888 } 2889 2890 static void 2891 urtwn_watchdog(struct ifnet *ifp) 2892 { 2893 struct urtwn_softc *sc = ifp->if_softc; 2894 2895 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2896 2897 ifp->if_timer = 0; 2898 2899 if (sc->tx_timer > 0) { 2900 if (--sc->tx_timer == 0) { 2901 aprint_error_dev(sc->sc_dev, "device timeout\n"); 2902 /* urtwn_init(ifp); XXX needs a process context! */ 2903 printf("ERROR2\n"); 2904 ifp->if_oerrors++; 2905 return; 2906 } 2907 ifp->if_timer = 1; 2908 } 2909 ieee80211_watchdog(&sc->sc_ic); 2910 } 2911 2912 static int 2913 urtwn_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2914 { 2915 struct urtwn_softc *sc = ifp->if_softc; 2916 struct ieee80211com *ic = &sc->sc_ic; 2917 int s, error = 0; 2918 2919 DPRINTFN(DBG_FN, ("%s: %s: cmd=0x%08lx, data=%p\n", 2920 device_xname(sc->sc_dev), __func__, cmd, data)); 2921 2922 s = splnet(); 2923 2924 switch (cmd) { 2925 case SIOCSIFFLAGS: 2926 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2927 break; 2928 switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { 2929 case IFF_UP | IFF_RUNNING: 2930 break; 2931 case IFF_UP: 2932 urtwn_init(ifp); 2933 break; 2934 case IFF_RUNNING: 2935 urtwn_stop(ifp, 1); 2936 break; 2937 case 0: 2938 break; 2939 } 2940 break; 2941 2942 case SIOCADDMULTI: 2943 case SIOCDELMULTI: 2944 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { 2945 /* setup multicast filter, etc */ 2946 error = 0; 2947 } 2948 break; 2949 2950 default: 2951 error = ieee80211_ioctl(ic, cmd, data); 2952 break; 2953 } 2954 if (error == ENETRESET) { 2955 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 2956 (IFF_UP | IFF_RUNNING) && 2957 ic->ic_roaming != IEEE80211_ROAMING_MANUAL) { 2958 urtwn_init(ifp); 2959 } 2960 error = 0; 2961 } 2962 2963 splx(s); 2964 2965 return error; 2966 } 2967 2968 static __inline int 2969 urtwn_power_on(struct urtwn_softc *sc) 2970 { 2971 2972 return sc->sc_power_on(sc); 2973 } 2974 2975 static int 2976 urtwn_r92c_power_on(struct urtwn_softc *sc) 2977 { 2978 uint32_t reg; 2979 int ntries; 2980 2981 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 2982 2983 KASSERT(mutex_owned(&sc->sc_write_mtx)); 2984 2985 /* Wait for autoload done bit. */ 2986 for (ntries = 0; ntries < 1000; ntries++) { 2987 if (urtwn_read_1(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_PFM_ALDN) 2988 break; 2989 DELAY(5); 2990 } 2991 if (ntries == 1000) { 2992 aprint_error_dev(sc->sc_dev, 2993 "timeout waiting for chip autoload\n"); 2994 return ETIMEDOUT; 2995 } 2996 2997 /* Unlock ISO/CLK/Power control register. */ 2998 urtwn_write_1(sc, R92C_RSV_CTRL, 0); 2999 /* Move SPS into PWM mode. */ 3000 urtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b); 3001 DELAY(5); 3002 3003 reg = urtwn_read_1(sc, R92C_LDOV12D_CTRL); 3004 if (!(reg & R92C_LDOV12D_CTRL_LDV12_EN)) { 3005 urtwn_write_1(sc, R92C_LDOV12D_CTRL, 3006 reg | R92C_LDOV12D_CTRL_LDV12_EN); 3007 DELAY(100); 3008 urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 3009 urtwn_read_1(sc, R92C_SYS_ISO_CTRL) & 3010 ~R92C_SYS_ISO_CTRL_MD2PP); 3011 } 3012 3013 /* Auto enable WLAN. */ 3014 urtwn_write_2(sc, R92C_APS_FSMCO, 3015 urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 3016 for (ntries = 0; ntries < 1000; ntries++) { 3017 if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 3018 R92C_APS_FSMCO_APFM_ONMAC)) 3019 break; 3020 DELAY(100); 3021 } 3022 if (ntries == 1000) { 3023 aprint_error_dev(sc->sc_dev, 3024 "timeout waiting for MAC auto ON\n"); 3025 return ETIMEDOUT; 3026 } 3027 3028 /* Enable radio, GPIO and LED functions. */ 3029 KASSERT((R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_PDN_EN | 3030 R92C_APS_FSMCO_PFM_ALDN) == 0x0812); 3031 urtwn_write_2(sc, R92C_APS_FSMCO, 3032 R92C_APS_FSMCO_AFSM_HSUS | 3033 R92C_APS_FSMCO_PDN_EN | 3034 R92C_APS_FSMCO_PFM_ALDN); 3035 3036 /* Release RF digital isolation. */ 3037 urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 3038 urtwn_read_2(sc, R92C_SYS_ISO_CTRL) & ~R92C_SYS_ISO_CTRL_DIOR); 3039 3040 /* Initialize MAC. */ 3041 urtwn_write_1(sc, R92C_APSD_CTRL, 3042 urtwn_read_1(sc, R92C_APSD_CTRL) & ~R92C_APSD_CTRL_OFF); 3043 for (ntries = 0; ntries < 200; ntries++) { 3044 if (!(urtwn_read_1(sc, R92C_APSD_CTRL) & 3045 R92C_APSD_CTRL_OFF_STATUS)) 3046 break; 3047 DELAY(5); 3048 } 3049 if (ntries == 200) { 3050 aprint_error_dev(sc->sc_dev, 3051 "timeout waiting for MAC initialization\n"); 3052 return ETIMEDOUT; 3053 } 3054 3055 /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 3056 reg = urtwn_read_2(sc, R92C_CR); 3057 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3058 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 3059 R92C_CR_SCHEDULE_EN | R92C_CR_MACTXEN | R92C_CR_MACRXEN | 3060 R92C_CR_ENSEC; 3061 urtwn_write_2(sc, R92C_CR, reg); 3062 3063 urtwn_write_1(sc, 0xfe10, 0x19); 3064 return 0; 3065 } 3066 3067 static int 3068 urtwn_r92e_power_on(struct urtwn_softc *sc) 3069 { 3070 uint32_t reg; 3071 uint32_t val; 3072 int ntries; 3073 3074 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3075 3076 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3077 3078 /* Enable radio, GPIO and LED functions. */ 3079 KASSERT((R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_PDN_EN | 3080 R92C_APS_FSMCO_PFM_ALDN) == 0x0812); 3081 urtwn_write_2(sc, R92C_APS_FSMCO, 3082 R92C_APS_FSMCO_AFSM_HSUS | 3083 R92C_APS_FSMCO_PDN_EN | 3084 R92C_APS_FSMCO_PFM_ALDN); 3085 3086 if (urtwn_read_4(sc, R92E_SYS_CFG1_8192E) & R92E_SPSLDO_SEL){ 3087 /* LDO. */ 3088 urtwn_write_1(sc, R92E_LDO_SWR_CTRL, 0xc3); 3089 } 3090 else { 3091 urtwn_write_2(sc, R92C_SYS_SWR_CTRL2, urtwn_read_2(sc, 3092 R92C_SYS_SWR_CTRL2) & 0xffff); 3093 urtwn_write_1(sc, R92E_LDO_SWR_CTRL, 0x83); 3094 } 3095 3096 for (ntries = 0; ntries < 2; ntries++) { 3097 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 3098 urtwn_read_1(sc, R92C_AFE_PLL_CTRL)); 3099 urtwn_write_2(sc, R92C_AFE_CTRL4, urtwn_read_2(sc, 3100 R92C_AFE_CTRL4)); 3101 } 3102 3103 /* Reset BB. */ 3104 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3105 urtwn_read_1(sc, R92C_SYS_FUNC_EN) & ~(R92C_SYS_FUNC_EN_BBRSTB | 3106 R92C_SYS_FUNC_EN_BB_GLB_RST)); 3107 3108 urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 2, urtwn_read_1(sc, 3109 R92C_AFE_XTAL_CTRL + 2) | 0x80); 3110 3111 /* Disable HWPDN. */ 3112 urtwn_write_2(sc, R92C_APS_FSMCO, urtwn_read_2(sc, 3113 R92C_APS_FSMCO) & ~R92C_APS_FSMCO_APDM_HPDN); 3114 3115 /* Disable WL suspend. */ 3116 urtwn_write_2(sc, R92C_APS_FSMCO, urtwn_read_2(sc, 3117 R92C_APS_FSMCO) & ~(R92C_APS_FSMCO_AFSM_PCIE | 3118 R92C_APS_FSMCO_AFSM_HSUS)); 3119 3120 urtwn_write_4(sc, R92C_APS_FSMCO, urtwn_read_4(sc, 3121 R92C_APS_FSMCO) | R92C_APS_FSMCO_RDY_MACON); 3122 urtwn_write_2(sc, R92C_APS_FSMCO, urtwn_read_2(sc, 3123 R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 3124 for (ntries = 0; ntries < 10000; ntries++) { 3125 val = urtwn_read_2(sc, R92C_APS_FSMCO) & 3126 R92C_APS_FSMCO_APFM_ONMAC; 3127 if (val == 0x0) 3128 break; 3129 DELAY(10); 3130 } 3131 if (ntries == 10000) { 3132 aprint_error_dev(sc->sc_dev, 3133 "timeout waiting for chip power up\n"); 3134 return ETIMEDOUT; 3135 } 3136 3137 urtwn_write_2(sc, R92C_CR, 0x00); 3138 reg = urtwn_read_2(sc, R92C_CR); 3139 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3140 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 3141 R92C_CR_SCHEDULE_EN | R92C_CR_ENSEC; 3142 urtwn_write_2(sc, R92C_CR, reg); 3143 3144 return 0; 3145 } 3146 3147 static int 3148 urtwn_r88e_power_on(struct urtwn_softc *sc) 3149 { 3150 uint32_t reg; 3151 uint8_t val; 3152 int ntries; 3153 3154 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3155 3156 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3157 3158 /* Wait for power ready bit. */ 3159 for (ntries = 0; ntries < 5000; ntries++) { 3160 val = urtwn_read_1(sc, 0x6) & 0x2; 3161 if (val == 0x2) 3162 break; 3163 DELAY(10); 3164 } 3165 if (ntries == 5000) { 3166 aprint_error_dev(sc->sc_dev, 3167 "timeout waiting for chip power up\n"); 3168 return ETIMEDOUT; 3169 } 3170 3171 /* Reset BB. */ 3172 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3173 urtwn_read_1(sc, R92C_SYS_FUNC_EN) & ~(R92C_SYS_FUNC_EN_BBRSTB | 3174 R92C_SYS_FUNC_EN_BB_GLB_RST)); 3175 3176 urtwn_write_1(sc, 0x26, urtwn_read_1(sc, 0x26) | 0x80); 3177 3178 /* Disable HWPDN. */ 3179 urtwn_write_1(sc, 0x5, urtwn_read_1(sc, 0x5) & ~0x80); 3180 3181 /* Disable WL suspend. */ 3182 urtwn_write_1(sc, 0x5, urtwn_read_1(sc, 0x5) & ~0x18); 3183 3184 urtwn_write_1(sc, 0x5, urtwn_read_1(sc, 0x5) | 0x1); 3185 for (ntries = 0; ntries < 5000; ntries++) { 3186 if (!(urtwn_read_1(sc, 0x5) & 0x1)) 3187 break; 3188 DELAY(10); 3189 } 3190 if (ntries == 5000) 3191 return ETIMEDOUT; 3192 3193 /* Enable LDO normal mode. */ 3194 urtwn_write_1(sc, 0x23, urtwn_read_1(sc, 0x23) & ~0x10); 3195 3196 /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 3197 urtwn_write_2(sc, R92C_CR, 0); 3198 reg = urtwn_read_2(sc, R92C_CR); 3199 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3200 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 3201 R92C_CR_SCHEDULE_EN | R92C_CR_ENSEC | R92C_CR_CALTMR_EN; 3202 urtwn_write_2(sc, R92C_CR, reg); 3203 3204 return 0; 3205 } 3206 3207 static int 3208 urtwn_llt_init(struct urtwn_softc *sc) 3209 { 3210 size_t i, page_count, pktbuf_count; 3211 uint32_t val; 3212 int error; 3213 3214 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3215 3216 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3217 3218 if (sc->chip & URTWN_CHIP_88E) 3219 page_count = R88E_TX_PAGE_COUNT; 3220 else if (sc->chip & URTWN_CHIP_92EU) 3221 page_count = R92E_TX_PAGE_COUNT; 3222 else 3223 page_count = R92C_TX_PAGE_COUNT; 3224 if (sc->chip & URTWN_CHIP_88E) 3225 pktbuf_count = R88E_TXPKTBUF_COUNT; 3226 else if (sc->chip & URTWN_CHIP_92EU) 3227 pktbuf_count = R88E_TXPKTBUF_COUNT; 3228 else 3229 pktbuf_count = R92C_TXPKTBUF_COUNT; 3230 3231 if (sc->chip & URTWN_CHIP_92EU) { 3232 val = urtwn_read_4(sc, R92E_AUTO_LLT) | R92E_AUTO_LLT_EN; 3233 urtwn_write_4(sc, R92E_AUTO_LLT, val); 3234 DELAY(100); 3235 val = urtwn_read_4(sc, R92E_AUTO_LLT); 3236 if (val & R92E_AUTO_LLT_EN) 3237 return EIO; 3238 return 0; 3239 } 3240 3241 /* Reserve pages [0; page_count]. */ 3242 for (i = 0; i < page_count; i++) { 3243 if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 3244 return error; 3245 } 3246 /* NB: 0xff indicates end-of-list. */ 3247 if ((error = urtwn_llt_write(sc, i, 0xff)) != 0) 3248 return error; 3249 /* 3250 * Use pages [page_count + 1; pktbuf_count - 1] 3251 * as ring buffer. 3252 */ 3253 for (++i; i < pktbuf_count - 1; i++) { 3254 if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 3255 return error; 3256 } 3257 /* Make the last page point to the beginning of the ring buffer. */ 3258 error = urtwn_llt_write(sc, i, pktbuf_count + 1); 3259 return error; 3260 } 3261 3262 static void 3263 urtwn_fw_reset(struct urtwn_softc *sc) 3264 { 3265 uint16_t reg; 3266 int ntries; 3267 3268 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3269 3270 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3271 3272 /* Tell 8051 to reset itself. */ 3273 urtwn_write_1(sc, R92C_HMETFR + 3, 0x20); 3274 3275 /* Wait until 8051 resets by itself. */ 3276 for (ntries = 0; ntries < 100; ntries++) { 3277 reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 3278 if (!(reg & R92C_SYS_FUNC_EN_CPUEN)) 3279 return; 3280 DELAY(50); 3281 } 3282 /* Force 8051 reset. */ 3283 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 3284 urtwn_read_2(sc, R92C_SYS_FUNC_EN) & ~R92C_SYS_FUNC_EN_CPUEN); 3285 } 3286 3287 static void 3288 urtwn_r88e_fw_reset(struct urtwn_softc *sc) 3289 { 3290 uint16_t reg; 3291 3292 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3293 3294 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3295 3296 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 3297 reg = urtwn_read_2(sc, R92C_RSV_CTRL) & ~R92E_RSV_MIO_EN; 3298 urtwn_write_2(sc,R92C_RSV_CTRL, reg); 3299 } 3300 DELAY(50); 3301 3302 reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 3303 urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN); 3304 DELAY(50); 3305 3306 urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg | R92C_SYS_FUNC_EN_CPUEN); 3307 DELAY(50); 3308 3309 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 3310 reg = urtwn_read_2(sc, R92C_RSV_CTRL) | R92E_RSV_MIO_EN; 3311 urtwn_write_2(sc,R92C_RSV_CTRL, reg); 3312 } 3313 DELAY(50); 3314 3315 } 3316 3317 static int 3318 urtwn_fw_loadpage(struct urtwn_softc *sc, int page, uint8_t *buf, int len) 3319 { 3320 uint32_t reg; 3321 int off, mlen, error = 0; 3322 3323 DPRINTFN(DBG_FN, ("%s: %s: page=%d, buf=%p, len=%d\n", 3324 device_xname(sc->sc_dev), __func__, page, buf, len)); 3325 3326 reg = urtwn_read_4(sc, R92C_MCUFWDL); 3327 reg = RW(reg, R92C_MCUFWDL_PAGE, page); 3328 urtwn_write_4(sc, R92C_MCUFWDL, reg); 3329 3330 off = R92C_FW_START_ADDR; 3331 while (len > 0) { 3332 if (len > 196) 3333 mlen = 196; 3334 else if (len > 4) 3335 mlen = 4; 3336 else 3337 mlen = 1; 3338 error = urtwn_write_region(sc, off, buf, mlen); 3339 if (error != 0) 3340 break; 3341 off += mlen; 3342 buf += mlen; 3343 len -= mlen; 3344 } 3345 return error; 3346 } 3347 3348 static int 3349 urtwn_load_firmware(struct urtwn_softc *sc) 3350 { 3351 firmware_handle_t fwh; 3352 const struct r92c_fw_hdr *hdr; 3353 const char *name; 3354 u_char *fw, *ptr; 3355 size_t len; 3356 uint32_t reg; 3357 int mlen, ntries, page, error; 3358 3359 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3360 3361 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3362 3363 /* Read firmware image from the filesystem. */ 3364 if (ISSET(sc->chip, URTWN_CHIP_88E)) 3365 name = "rtl8188eufw.bin"; 3366 else if (ISSET(sc->chip, URTWN_CHIP_92EU)) 3367 name = "rtl8192eefw.bin"; 3368 else if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 3369 URTWN_CHIP_UMC_A_CUT) 3370 name = "rtl8192cfwU.bin"; 3371 else 3372 name = "rtl8192cfw.bin"; 3373 if ((error = firmware_open("if_urtwn", name, &fwh)) != 0) { 3374 aprint_error_dev(sc->sc_dev, 3375 "failed load firmware of file %s (error %d)\n", name, 3376 error); 3377 return error; 3378 } 3379 const size_t fwlen = len = firmware_get_size(fwh); 3380 fw = firmware_malloc(len); 3381 if (fw == NULL) { 3382 aprint_error_dev(sc->sc_dev, 3383 "failed to allocate firmware memory\n"); 3384 firmware_close(fwh); 3385 return ENOMEM; 3386 } 3387 error = firmware_read(fwh, 0, fw, len); 3388 firmware_close(fwh); 3389 if (error != 0) { 3390 aprint_error_dev(sc->sc_dev, 3391 "failed to read firmware (error %d)\n", error); 3392 firmware_free(fw, fwlen); 3393 return error; 3394 } 3395 3396 len = fwlen; 3397 ptr = fw; 3398 hdr = (const struct r92c_fw_hdr *)ptr; 3399 /* Check if there is a valid FW header and skip it. */ 3400 if ((le16toh(hdr->signature) >> 4) == 0x88c || 3401 (le16toh(hdr->signature) >> 4) == 0x88e || 3402 (le16toh(hdr->signature) >> 4) == 0x92e || 3403 (le16toh(hdr->signature) >> 4) == 0x92c) { 3404 DPRINTFN(DBG_INIT, ("%s: %s: FW V%d.%d %02d-%02d %02d:%02d\n", 3405 device_xname(sc->sc_dev), __func__, 3406 le16toh(hdr->version), le16toh(hdr->subversion), 3407 hdr->month, hdr->date, hdr->hour, hdr->minute)); 3408 ptr += sizeof(*hdr); 3409 len -= sizeof(*hdr); 3410 } 3411 3412 if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RAM_DL_SEL) { 3413 if (ISSET(sc->chip, URTWN_CHIP_88E) || 3414 ISSET(sc->chip, URTWN_CHIP_92EU)) 3415 urtwn_r88e_fw_reset(sc); 3416 else 3417 urtwn_fw_reset(sc); 3418 } 3419 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 3420 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 3421 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 3422 urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 3423 R92C_SYS_FUNC_EN_CPUEN); 3424 } 3425 3426 /* download enabled */ 3427 urtwn_write_1(sc, R92C_MCUFWDL, 3428 urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_EN); 3429 urtwn_write_1(sc, R92C_MCUFWDL + 2, 3430 urtwn_read_1(sc, R92C_MCUFWDL + 2) & ~0x08); 3431 3432 /* Reset the FWDL checksum. */ 3433 urtwn_write_1(sc, R92C_MCUFWDL, 3434 urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_CHKSUM_RPT); 3435 3436 DELAY(50); 3437 /* download firmware */ 3438 for (page = 0; len > 0; page++) { 3439 mlen = MIN(len, R92C_FW_PAGE_SIZE); 3440 error = urtwn_fw_loadpage(sc, page, ptr, mlen); 3441 if (error != 0) { 3442 aprint_error_dev(sc->sc_dev, 3443 "could not load firmware page %d\n", page); 3444 goto fail; 3445 } 3446 ptr += mlen; 3447 len -= mlen; 3448 } 3449 3450 /* download disable */ 3451 urtwn_write_1(sc, R92C_MCUFWDL, 3452 urtwn_read_1(sc, R92C_MCUFWDL) & ~R92C_MCUFWDL_EN); 3453 urtwn_write_1(sc, R92C_MCUFWDL + 1, 0); 3454 3455 /* Wait for checksum report. */ 3456 for (ntries = 0; ntries < 1000; ntries++) { 3457 if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_CHKSUM_RPT) 3458 break; 3459 DELAY(5); 3460 } 3461 if (ntries == 1000) { 3462 aprint_error_dev(sc->sc_dev, 3463 "timeout waiting for checksum report\n"); 3464 error = ETIMEDOUT; 3465 goto fail; 3466 } 3467 3468 /* Wait for firmware readiness. */ 3469 reg = urtwn_read_4(sc, R92C_MCUFWDL); 3470 reg = (reg & ~R92C_MCUFWDL_WINTINI_RDY) | R92C_MCUFWDL_RDY; 3471 urtwn_write_4(sc, R92C_MCUFWDL, reg); 3472 if (ISSET(sc->chip, URTWN_CHIP_88E) || 3473 ISSET(sc->chip, URTWN_CHIP_92EU)) 3474 urtwn_r88e_fw_reset(sc); 3475 for (ntries = 0; ntries < 1000; ntries++) { 3476 if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_WINTINI_RDY) 3477 break; 3478 DELAY(5); 3479 } 3480 if (ntries == 1000) { 3481 aprint_error_dev(sc->sc_dev, 3482 "timeout waiting for firmware readiness\n"); 3483 error = ETIMEDOUT; 3484 goto fail; 3485 } 3486 fail: 3487 firmware_free(fw, fwlen); 3488 return error; 3489 } 3490 3491 static __inline int 3492 urtwn_dma_init(struct urtwn_softc *sc) 3493 { 3494 3495 return sc->sc_dma_init(sc); 3496 } 3497 3498 static int 3499 urtwn_r92c_dma_init(struct urtwn_softc *sc) 3500 { 3501 int hashq, hasnq, haslq, nqueues, nqpages, nrempages; 3502 uint32_t reg; 3503 int error; 3504 3505 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3506 3507 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3508 3509 /* Initialize LLT table. */ 3510 error = urtwn_llt_init(sc); 3511 if (error != 0) 3512 return error; 3513 3514 /* Get Tx queues to USB endpoints mapping. */ 3515 hashq = hasnq = haslq = 0; 3516 reg = urtwn_read_2(sc, R92C_USB_EP + 1); 3517 DPRINTFN(DBG_INIT, ("%s: %s: USB endpoints mapping 0x%x\n", 3518 device_xname(sc->sc_dev), __func__, reg)); 3519 if (MS(reg, R92C_USB_EP_HQ) != 0) 3520 hashq = 1; 3521 if (MS(reg, R92C_USB_EP_NQ) != 0) 3522 hasnq = 1; 3523 if (MS(reg, R92C_USB_EP_LQ) != 0) 3524 haslq = 1; 3525 nqueues = hashq + hasnq + haslq; 3526 if (nqueues == 0) 3527 return EIO; 3528 /* Get the number of pages for each queue. */ 3529 nqpages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) / nqueues; 3530 /* The remaining pages are assigned to the high priority queue. */ 3531 nrempages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) % nqueues; 3532 3533 /* Set number of pages for normal priority queue. */ 3534 urtwn_write_1(sc, R92C_RQPN_NPQ, hasnq ? nqpages : 0); 3535 urtwn_write_4(sc, R92C_RQPN, 3536 /* Set number of pages for public queue. */ 3537 SM(R92C_RQPN_PUBQ, R92C_PUBQ_NPAGES) | 3538 /* Set number of pages for high priority queue. */ 3539 SM(R92C_RQPN_HPQ, hashq ? nqpages + nrempages : 0) | 3540 /* Set number of pages for low priority queue. */ 3541 SM(R92C_RQPN_LPQ, haslq ? nqpages : 0) | 3542 /* Load values. */ 3543 R92C_RQPN_LD); 3544 3545 urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, R92C_TX_PAGE_BOUNDARY); 3546 urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, R92C_TX_PAGE_BOUNDARY); 3547 urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, R92C_TX_PAGE_BOUNDARY); 3548 urtwn_write_1(sc, R92C_TRXFF_BNDY, R92C_TX_PAGE_BOUNDARY); 3549 urtwn_write_1(sc, R92C_TDECTRL + 1, R92C_TX_PAGE_BOUNDARY); 3550 3551 /* Set queue to USB pipe mapping. */ 3552 reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 3553 reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 3554 if (nqueues == 1) { 3555 if (hashq) { 3556 reg |= R92C_TRXDMA_CTRL_QMAP_HQ; 3557 } else if (hasnq) { 3558 reg |= R92C_TRXDMA_CTRL_QMAP_NQ; 3559 } else { 3560 reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 3561 } 3562 } else if (nqueues == 2) { 3563 /* All 2-endpoints configs have a high priority queue. */ 3564 if (!hashq) { 3565 return EIO; 3566 } 3567 if (hasnq) { 3568 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 3569 } else { 3570 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_LQ; 3571 } 3572 } else { 3573 reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 3574 } 3575 urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 3576 3577 /* Set Tx/Rx transfer page boundary. */ 3578 urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 0x27ff); 3579 3580 /* Set Tx/Rx transfer page size. */ 3581 urtwn_write_1(sc, R92C_PBP, 3582 SM(R92C_PBP_PSRX, R92C_PBP_128) | SM(R92C_PBP_PSTX, R92C_PBP_128)); 3583 return 0; 3584 } 3585 3586 static int 3587 urtwn_r88e_dma_init(struct urtwn_softc *sc) 3588 { 3589 usb_interface_descriptor_t *id; 3590 uint32_t reg; 3591 int nqueues; 3592 int error; 3593 3594 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3595 3596 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3597 3598 /* Initialize LLT table. */ 3599 error = urtwn_llt_init(sc); 3600 if (error != 0) 3601 return error; 3602 3603 /* Get Tx queues to USB endpoints mapping. */ 3604 id = usbd_get_interface_descriptor(sc->sc_iface); 3605 nqueues = id->bNumEndpoints - 1; 3606 if (nqueues == 0) 3607 return EIO; 3608 3609 /* Set number of pages for normal priority queue. */ 3610 urtwn_write_2(sc, R92C_RQPN_NPQ, 0); 3611 urtwn_write_2(sc, R92C_RQPN_NPQ, 0x000d); 3612 urtwn_write_4(sc, R92C_RQPN, 0x808e000d); 3613 3614 urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, R88E_TX_PAGE_BOUNDARY); 3615 urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, R88E_TX_PAGE_BOUNDARY); 3616 urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, R88E_TX_PAGE_BOUNDARY); 3617 urtwn_write_1(sc, R92C_TRXFF_BNDY, R88E_TX_PAGE_BOUNDARY); 3618 urtwn_write_1(sc, R92C_TDECTRL + 1, R88E_TX_PAGE_BOUNDARY); 3619 3620 /* Set queue to USB pipe mapping. */ 3621 reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 3622 reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 3623 if (nqueues == 1) 3624 reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 3625 else if (nqueues == 2) 3626 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 3627 else 3628 reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 3629 urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 3630 3631 /* Set Tx/Rx transfer page boundary. */ 3632 urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 0x23ff); 3633 3634 /* Set Tx/Rx transfer page size. */ 3635 urtwn_write_1(sc, R92C_PBP, 3636 SM(R92C_PBP_PSRX, R92C_PBP_128) | SM(R92C_PBP_PSTX, R92C_PBP_128)); 3637 3638 return 0; 3639 } 3640 3641 static void 3642 urtwn_mac_init(struct urtwn_softc *sc) 3643 { 3644 size_t i; 3645 3646 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3647 3648 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3649 3650 /* Write MAC initialization values. */ 3651 if (ISSET(sc->chip, URTWN_CHIP_88E)) { 3652 for (i = 0; i < __arraycount(rtl8188eu_mac); i++) 3653 urtwn_write_1(sc, rtl8188eu_mac[i].reg, 3654 rtl8188eu_mac[i].val); 3655 } else if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 3656 for (i = 0; i < __arraycount(rtl8192eu_mac); i++) 3657 urtwn_write_1(sc, rtl8192eu_mac[i].reg, 3658 rtl8192eu_mac[i].val); 3659 } else { 3660 for (i = 0; i < __arraycount(rtl8192cu_mac); i++) 3661 urtwn_write_1(sc, rtl8192cu_mac[i].reg, 3662 rtl8192cu_mac[i].val); 3663 } 3664 } 3665 3666 static void 3667 urtwn_bb_init(struct urtwn_softc *sc) 3668 { 3669 const struct urtwn_bb_prog *prog; 3670 uint32_t reg; 3671 uint8_t crystalcap; 3672 size_t i; 3673 3674 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3675 3676 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3677 3678 /* Enable BB and RF. */ 3679 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 3680 urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 3681 R92C_SYS_FUNC_EN_BBRSTB | R92C_SYS_FUNC_EN_BB_GLB_RST | 3682 R92C_SYS_FUNC_EN_DIO_RF); 3683 3684 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 3685 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 3686 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 0x83); 3687 urtwn_write_1(sc, R92C_AFE_PLL_CTRL + 1, 0xdb); 3688 } 3689 3690 urtwn_write_1(sc, R92C_RF_CTRL, 3691 R92C_RF_CTRL_EN | R92C_RF_CTRL_RSTB | R92C_RF_CTRL_SDMRSTB); 3692 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3693 R92C_SYS_FUNC_EN_USBA | R92C_SYS_FUNC_EN_USBD | 3694 R92C_SYS_FUNC_EN_BB_GLB_RST | R92C_SYS_FUNC_EN_BBRSTB); 3695 3696 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 3697 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 3698 urtwn_write_1(sc, R92C_LDOHCI12_CTRL, 0x0f); 3699 urtwn_write_1(sc, 0x15, 0xe9); 3700 urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 1, 0x80); 3701 } 3702 3703 /* Select BB programming based on board type. */ 3704 if (ISSET(sc->chip, URTWN_CHIP_88E)) 3705 prog = &rtl8188eu_bb_prog; 3706 else if (ISSET(sc->chip, URTWN_CHIP_92EU)) 3707 prog = &rtl8192eu_bb_prog; 3708 else if (!(sc->chip & URTWN_CHIP_92C)) { 3709 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 3710 prog = &rtl8188ce_bb_prog; 3711 } else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 3712 prog = &rtl8188ru_bb_prog; 3713 } else { 3714 prog = &rtl8188cu_bb_prog; 3715 } 3716 } else { 3717 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 3718 prog = &rtl8192ce_bb_prog; 3719 } else { 3720 prog = &rtl8192cu_bb_prog; 3721 } 3722 } 3723 /* Write BB initialization values. */ 3724 for (i = 0; i < prog->count; i++) { 3725 /* additional delay depend on registers */ 3726 switch (prog->regs[i]) { 3727 case 0xfe: 3728 urtwn_delay_ms(sc, 50); 3729 break; 3730 case 0xfd: 3731 urtwn_delay_ms(sc, 5); 3732 break; 3733 case 0xfc: 3734 urtwn_delay_ms(sc, 1); 3735 break; 3736 case 0xfb: 3737 DELAY(50); 3738 break; 3739 case 0xfa: 3740 DELAY(5); 3741 break; 3742 case 0xf9: 3743 DELAY(1); 3744 break; 3745 } 3746 urtwn_bb_write(sc, prog->regs[i], prog->vals[i]); 3747 DELAY(1); 3748 } 3749 3750 if (sc->chip & URTWN_CHIP_92C_1T2R) { 3751 /* 8192C 1T only configuration. */ 3752 reg = urtwn_bb_read(sc, R92C_FPGA0_TXINFO); 3753 reg = (reg & ~0x00000003) | 0x2; 3754 urtwn_bb_write(sc, R92C_FPGA0_TXINFO, reg); 3755 3756 reg = urtwn_bb_read(sc, R92C_FPGA1_TXINFO); 3757 reg = (reg & ~0x00300033) | 0x00200022; 3758 urtwn_bb_write(sc, R92C_FPGA1_TXINFO, reg); 3759 3760 reg = urtwn_bb_read(sc, R92C_CCK0_AFESETTING); 3761 reg = (reg & ~0xff000000) | (0x45 << 24); 3762 urtwn_bb_write(sc, R92C_CCK0_AFESETTING, reg); 3763 3764 reg = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 3765 reg = (reg & ~0x000000ff) | 0x23; 3766 urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg); 3767 3768 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCPARAM1); 3769 reg = (reg & ~0x00000030) | (1 << 4); 3770 urtwn_bb_write(sc, R92C_OFDM0_AGCPARAM1, reg); 3771 3772 reg = urtwn_bb_read(sc, 0xe74); 3773 reg = (reg & ~0x0c000000) | (2 << 26); 3774 urtwn_bb_write(sc, 0xe74, reg); 3775 reg = urtwn_bb_read(sc, 0xe78); 3776 reg = (reg & ~0x0c000000) | (2 << 26); 3777 urtwn_bb_write(sc, 0xe78, reg); 3778 reg = urtwn_bb_read(sc, 0xe7c); 3779 reg = (reg & ~0x0c000000) | (2 << 26); 3780 urtwn_bb_write(sc, 0xe7c, reg); 3781 reg = urtwn_bb_read(sc, 0xe80); 3782 reg = (reg & ~0x0c000000) | (2 << 26); 3783 urtwn_bb_write(sc, 0xe80, reg); 3784 reg = urtwn_bb_read(sc, 0xe88); 3785 reg = (reg & ~0x0c000000) | (2 << 26); 3786 urtwn_bb_write(sc, 0xe88, reg); 3787 } 3788 3789 /* Write AGC values. */ 3790 for (i = 0; i < prog->agccount; i++) { 3791 urtwn_bb_write(sc, R92C_OFDM0_AGCRSSITABLE, prog->agcvals[i]); 3792 DELAY(1); 3793 } 3794 3795 if (ISSET(sc->chip, URTWN_CHIP_88E) || 3796 ISSET(sc->chip, URTWN_CHIP_92EU)) { 3797 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553422); 3798 DELAY(1); 3799 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553420); 3800 DELAY(1); 3801 3802 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 3803 urtwn_write_2(sc, R92C_AFE_CTRL3, urtwn_read_2(sc, 3804 R92C_AFE_CTRL3)); 3805 } 3806 3807 crystalcap = sc->r88e_rom[0xb9]; 3808 if (crystalcap == 0xff) 3809 crystalcap = 0x20; 3810 crystalcap &= 0x3f; 3811 reg = urtwn_bb_read(sc, R92C_AFE_XTAL_CTRL); 3812 urtwn_bb_write(sc, R92C_AFE_XTAL_CTRL, 3813 RW(reg, R92C_AFE_XTAL_CTRL_ADDR, 3814 crystalcap | crystalcap << 6)); 3815 } else { 3816 if (urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)) & 3817 R92C_HSSI_PARAM2_CCK_HIPWR) { 3818 SET(sc->sc_flags, URTWN_FLAG_CCK_HIPWR); 3819 } 3820 } 3821 } 3822 3823 static void 3824 urtwn_rf_init(struct urtwn_softc *sc) 3825 { 3826 const struct urtwn_rf_prog *prog; 3827 uint32_t reg, mask, saved; 3828 size_t i, j, idx; 3829 3830 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3831 3832 /* Select RF programming based on board type. */ 3833 if (ISSET(sc->chip, URTWN_CHIP_88E)) 3834 prog = rtl8188eu_rf_prog; 3835 else if (ISSET(sc->chip, URTWN_CHIP_92EU)) 3836 prog = rtl8192eu_rf_prog; 3837 else if (!(sc->chip & URTWN_CHIP_92C)) { 3838 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 3839 prog = rtl8188ce_rf_prog; 3840 } else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 3841 prog = rtl8188ru_rf_prog; 3842 } else { 3843 prog = rtl8188cu_rf_prog; 3844 } 3845 } else { 3846 prog = rtl8192ce_rf_prog; 3847 } 3848 3849 for (i = 0; i < sc->nrxchains; i++) { 3850 /* Save RF_ENV control type. */ 3851 idx = i / 2; 3852 mask = 0xffffU << ((i % 2) * 16); 3853 saved = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)) & mask; 3854 3855 /* Set RF_ENV enable. */ 3856 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 3857 reg |= 0x100000; 3858 urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 3859 DELAY(50); 3860 3861 /* Set RF_ENV output high. */ 3862 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 3863 reg |= 0x10; 3864 urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 3865 DELAY(50); 3866 3867 /* Set address and data lengths of RF registers. */ 3868 reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 3869 reg &= ~R92C_HSSI_PARAM2_ADDR_LENGTH; 3870 urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 3871 DELAY(50); 3872 reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 3873 reg &= ~R92C_HSSI_PARAM2_DATA_LENGTH; 3874 urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 3875 DELAY(50); 3876 3877 /* Write RF initialization values for this chain. */ 3878 for (j = 0; j < prog[i].count; j++) { 3879 if (prog[i].regs[j] >= 0xf9 && 3880 prog[i].regs[j] <= 0xfe) { 3881 /* 3882 * These are fake RF registers offsets that 3883 * indicate a delay is required. 3884 */ 3885 urtwn_delay_ms(sc, 50); 3886 continue; 3887 } 3888 urtwn_rf_write(sc, i, prog[i].regs[j], prog[i].vals[j]); 3889 DELAY(5); 3890 } 3891 3892 /* Restore RF_ENV control type. */ 3893 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)) & ~mask; 3894 urtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(idx), reg | saved); 3895 } 3896 3897 if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 3898 URTWN_CHIP_UMC_A_CUT) { 3899 urtwn_rf_write(sc, 0, R92C_RF_RX_G1, 0x30255); 3900 urtwn_rf_write(sc, 0, R92C_RF_RX_G2, 0x50a00); 3901 } 3902 3903 /* Cache RF register CHNLBW. */ 3904 for (i = 0; i < 2; i++) { 3905 sc->rf_chnlbw[i] = urtwn_rf_read(sc, i, R92C_RF_CHNLBW); 3906 } 3907 } 3908 3909 static void 3910 urtwn_cam_init(struct urtwn_softc *sc) 3911 { 3912 uint32_t content, command; 3913 uint8_t idx; 3914 size_t i; 3915 3916 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3917 3918 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3919 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 3920 return; 3921 3922 for (idx = 0; idx < R92C_CAM_ENTRY_COUNT; idx++) { 3923 content = (idx & 3) 3924 | (R92C_CAM_ALGO_AES << R92C_CAM_ALGO_S) 3925 | R92C_CAM_VALID; 3926 3927 command = R92C_CAMCMD_POLLING 3928 | R92C_CAMCMD_WRITE 3929 | R92C_CAM_CTL0(idx); 3930 3931 urtwn_write_4(sc, R92C_CAMWRITE, content); 3932 urtwn_write_4(sc, R92C_CAMCMD, command); 3933 } 3934 3935 for (idx = 0; idx < R92C_CAM_ENTRY_COUNT; idx++) { 3936 for (i = 0; i < /* CAM_CONTENT_COUNT */ 8; i++) { 3937 if (i == 0) { 3938 content = (idx & 3) 3939 | (R92C_CAM_ALGO_AES << R92C_CAM_ALGO_S) 3940 | R92C_CAM_VALID; 3941 } else { 3942 content = 0; 3943 } 3944 3945 command = R92C_CAMCMD_POLLING 3946 | R92C_CAMCMD_WRITE 3947 | R92C_CAM_CTL0(idx) 3948 | i; 3949 3950 urtwn_write_4(sc, R92C_CAMWRITE, content); 3951 urtwn_write_4(sc, R92C_CAMCMD, command); 3952 } 3953 } 3954 3955 /* Invalidate all CAM entries. */ 3956 urtwn_write_4(sc, R92C_CAMCMD, R92C_CAMCMD_POLLING | R92C_CAMCMD_CLR); 3957 } 3958 3959 static void 3960 urtwn_pa_bias_init(struct urtwn_softc *sc) 3961 { 3962 uint8_t reg; 3963 size_t i; 3964 3965 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3966 3967 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3968 3969 for (i = 0; i < sc->nrxchains; i++) { 3970 if (sc->pa_setting & (1U << i)) 3971 continue; 3972 3973 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x0f406); 3974 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x4f406); 3975 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x8f406); 3976 urtwn_rf_write(sc, i, R92C_RF_IPA, 0xcf406); 3977 } 3978 if (!(sc->pa_setting & 0x10)) { 3979 reg = urtwn_read_1(sc, 0x16); 3980 reg = (reg & ~0xf0) | 0x90; 3981 urtwn_write_1(sc, 0x16, reg); 3982 } 3983 } 3984 3985 static void 3986 urtwn_rxfilter_init(struct urtwn_softc *sc) 3987 { 3988 3989 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 3990 3991 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3992 3993 /* Initialize Rx filter. */ 3994 /* TODO: use better filter for monitor mode. */ 3995 urtwn_write_4(sc, R92C_RCR, 3996 R92C_RCR_AAP | R92C_RCR_APM | R92C_RCR_AM | R92C_RCR_AB | 3997 R92C_RCR_APP_ICV | R92C_RCR_AMF | R92C_RCR_HTC_LOC_CTRL | 3998 R92C_RCR_APP_MIC | R92C_RCR_APP_PHYSTS); 3999 /* Accept all multicast frames. */ 4000 urtwn_write_4(sc, R92C_MAR + 0, 0xffffffff); 4001 urtwn_write_4(sc, R92C_MAR + 4, 0xffffffff); 4002 /* Accept all management frames. */ 4003 urtwn_write_2(sc, R92C_RXFLTMAP0, 0xffff); 4004 /* Reject all control frames. */ 4005 urtwn_write_2(sc, R92C_RXFLTMAP1, 0x0000); 4006 /* Accept all data frames. */ 4007 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 4008 } 4009 4010 static void 4011 urtwn_edca_init(struct urtwn_softc *sc) 4012 { 4013 4014 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 4015 4016 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4017 4018 /* set spec SIFS (used in NAV) */ 4019 urtwn_write_2(sc, R92C_SPEC_SIFS, 0x100a); 4020 urtwn_write_2(sc, R92C_MAC_SPEC_SIFS, 0x100a); 4021 4022 /* set SIFS CCK/OFDM */ 4023 urtwn_write_2(sc, R92C_SIFS_CCK, 0x100a); 4024 urtwn_write_2(sc, R92C_SIFS_OFDM, 0x100a); 4025 4026 /* TXOP */ 4027 urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x005ea42b); 4028 urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a44f); 4029 urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005ea324); 4030 urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002fa226); 4031 } 4032 4033 static void 4034 urtwn_write_txpower(struct urtwn_softc *sc, int chain, 4035 uint16_t power[URTWN_RIDX_COUNT]) 4036 { 4037 uint32_t reg; 4038 4039 DPRINTFN(DBG_FN, ("%s: %s: chain=%d\n", device_xname(sc->sc_dev), 4040 __func__, chain)); 4041 4042 /* Write per-CCK rate Tx power. */ 4043 if (chain == 0) { 4044 reg = urtwn_bb_read(sc, R92C_TXAGC_A_CCK1_MCS32); 4045 reg = RW(reg, R92C_TXAGC_A_CCK1, power[0]); 4046 urtwn_bb_write(sc, R92C_TXAGC_A_CCK1_MCS32, reg); 4047 4048 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 4049 reg = RW(reg, R92C_TXAGC_A_CCK2, power[1]); 4050 reg = RW(reg, R92C_TXAGC_A_CCK55, power[2]); 4051 reg = RW(reg, R92C_TXAGC_A_CCK11, power[3]); 4052 urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 4053 } else { 4054 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK1_55_MCS32); 4055 reg = RW(reg, R92C_TXAGC_B_CCK1, power[0]); 4056 reg = RW(reg, R92C_TXAGC_B_CCK2, power[1]); 4057 reg = RW(reg, R92C_TXAGC_B_CCK55, power[2]); 4058 urtwn_bb_write(sc, R92C_TXAGC_B_CCK1_55_MCS32, reg); 4059 4060 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 4061 reg = RW(reg, R92C_TXAGC_B_CCK11, power[3]); 4062 urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 4063 } 4064 /* Write per-OFDM rate Tx power. */ 4065 urtwn_bb_write(sc, R92C_TXAGC_RATE18_06(chain), 4066 SM(R92C_TXAGC_RATE06, power[ 4]) | 4067 SM(R92C_TXAGC_RATE09, power[ 5]) | 4068 SM(R92C_TXAGC_RATE12, power[ 6]) | 4069 SM(R92C_TXAGC_RATE18, power[ 7])); 4070 urtwn_bb_write(sc, R92C_TXAGC_RATE54_24(chain), 4071 SM(R92C_TXAGC_RATE24, power[ 8]) | 4072 SM(R92C_TXAGC_RATE36, power[ 9]) | 4073 SM(R92C_TXAGC_RATE48, power[10]) | 4074 SM(R92C_TXAGC_RATE54, power[11])); 4075 /* Write per-MCS Tx power. */ 4076 urtwn_bb_write(sc, R92C_TXAGC_MCS03_MCS00(chain), 4077 SM(R92C_TXAGC_MCS00, power[12]) | 4078 SM(R92C_TXAGC_MCS01, power[13]) | 4079 SM(R92C_TXAGC_MCS02, power[14]) | 4080 SM(R92C_TXAGC_MCS03, power[15])); 4081 urtwn_bb_write(sc, R92C_TXAGC_MCS07_MCS04(chain), 4082 SM(R92C_TXAGC_MCS04, power[16]) | 4083 SM(R92C_TXAGC_MCS05, power[17]) | 4084 SM(R92C_TXAGC_MCS06, power[18]) | 4085 SM(R92C_TXAGC_MCS07, power[19])); 4086 urtwn_bb_write(sc, R92C_TXAGC_MCS11_MCS08(chain), 4087 SM(R92C_TXAGC_MCS08, power[20]) | 4088 SM(R92C_TXAGC_MCS09, power[21]) | 4089 SM(R92C_TXAGC_MCS10, power[22]) | 4090 SM(R92C_TXAGC_MCS11, power[23])); 4091 urtwn_bb_write(sc, R92C_TXAGC_MCS15_MCS12(chain), 4092 SM(R92C_TXAGC_MCS12, power[24]) | 4093 SM(R92C_TXAGC_MCS13, power[25]) | 4094 SM(R92C_TXAGC_MCS14, power[26]) | 4095 SM(R92C_TXAGC_MCS15, power[27])); 4096 } 4097 4098 static void 4099 urtwn_get_txpower(struct urtwn_softc *sc, size_t chain, u_int chan, u_int ht40m, 4100 uint16_t power[URTWN_RIDX_COUNT]) 4101 { 4102 struct r92c_rom *rom = &sc->rom; 4103 uint16_t cckpow, ofdmpow, htpow, diff, maxpow; 4104 const struct urtwn_txpwr *base; 4105 int ridx, group; 4106 4107 DPRINTFN(DBG_FN, ("%s: %s: chain=%zd, chan=%d\n", 4108 device_xname(sc->sc_dev), __func__, chain, chan)); 4109 4110 /* Determine channel group. */ 4111 if (chan <= 3) { 4112 group = 0; 4113 } else if (chan <= 9) { 4114 group = 1; 4115 } else { 4116 group = 2; 4117 } 4118 4119 /* Get original Tx power based on board type and RF chain. */ 4120 if (!(sc->chip & URTWN_CHIP_92C)) { 4121 if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 4122 base = &rtl8188ru_txagc[chain]; 4123 } else { 4124 base = &rtl8192cu_txagc[chain]; 4125 } 4126 } else { 4127 base = &rtl8192cu_txagc[chain]; 4128 } 4129 4130 memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 4131 if (sc->regulatory == 0) { 4132 for (ridx = 0; ridx <= 3; ridx++) { 4133 power[ridx] = base->pwr[0][ridx]; 4134 } 4135 } 4136 for (ridx = 4; ridx < URTWN_RIDX_COUNT; ridx++) { 4137 if (sc->regulatory == 3) { 4138 power[ridx] = base->pwr[0][ridx]; 4139 /* Apply vendor limits. */ 4140 if (ht40m != IEEE80211_HTINFO_2NDCHAN_NONE) { 4141 maxpow = rom->ht40_max_pwr[group]; 4142 } else { 4143 maxpow = rom->ht20_max_pwr[group]; 4144 } 4145 maxpow = (maxpow >> (chain * 4)) & 0xf; 4146 if (power[ridx] > maxpow) { 4147 power[ridx] = maxpow; 4148 } 4149 } else if (sc->regulatory == 1) { 4150 if (ht40m == IEEE80211_HTINFO_2NDCHAN_NONE) { 4151 power[ridx] = base->pwr[group][ridx]; 4152 } 4153 } else if (sc->regulatory != 2) { 4154 power[ridx] = base->pwr[0][ridx]; 4155 } 4156 } 4157 4158 /* Compute per-CCK rate Tx power. */ 4159 cckpow = rom->cck_tx_pwr[chain][group]; 4160 for (ridx = 0; ridx <= 3; ridx++) { 4161 power[ridx] += cckpow; 4162 if (power[ridx] > R92C_MAX_TX_PWR) { 4163 power[ridx] = R92C_MAX_TX_PWR; 4164 } 4165 } 4166 4167 htpow = rom->ht40_1s_tx_pwr[chain][group]; 4168 if (sc->ntxchains > 1) { 4169 /* Apply reduction for 2 spatial streams. */ 4170 diff = rom->ht40_2s_tx_pwr_diff[group]; 4171 diff = (diff >> (chain * 4)) & 0xf; 4172 htpow = (htpow > diff) ? htpow - diff : 0; 4173 } 4174 4175 /* Compute per-OFDM rate Tx power. */ 4176 diff = rom->ofdm_tx_pwr_diff[group]; 4177 diff = (diff >> (chain * 4)) & 0xf; 4178 ofdmpow = htpow + diff; /* HT->OFDM correction. */ 4179 for (ridx = 4; ridx <= 11; ridx++) { 4180 power[ridx] += ofdmpow; 4181 if (power[ridx] > R92C_MAX_TX_PWR) { 4182 power[ridx] = R92C_MAX_TX_PWR; 4183 } 4184 } 4185 4186 /* Compute per-MCS Tx power. */ 4187 if (ht40m == IEEE80211_HTINFO_2NDCHAN_NONE) { 4188 diff = rom->ht20_tx_pwr_diff[group]; 4189 diff = (diff >> (chain * 4)) & 0xf; 4190 htpow += diff; /* HT40->HT20 correction. */ 4191 } 4192 for (ridx = 12; ridx < URTWN_RIDX_COUNT; ridx++) { 4193 power[ridx] += htpow; 4194 if (power[ridx] > R92C_MAX_TX_PWR) { 4195 power[ridx] = R92C_MAX_TX_PWR; 4196 } 4197 } 4198 #ifdef URTWN_DEBUG 4199 if (urtwn_debug & DBG_RF) { 4200 /* Dump per-rate Tx power values. */ 4201 printf("%s: %s: Tx power for chain %zd:\n", 4202 device_xname(sc->sc_dev), __func__, chain); 4203 for (ridx = 0; ridx < URTWN_RIDX_COUNT; ridx++) { 4204 printf("%s: %s: Rate %d = %u\n", 4205 device_xname(sc->sc_dev), __func__, ridx, 4206 power[ridx]); 4207 } 4208 } 4209 #endif 4210 } 4211 4212 void 4213 urtwn_r88e_get_txpower(struct urtwn_softc *sc, size_t chain, u_int chan, 4214 u_int ht40m, uint16_t power[URTWN_RIDX_COUNT]) 4215 { 4216 uint16_t cckpow, ofdmpow, bw20pow, htpow; 4217 const struct urtwn_r88e_txpwr *base; 4218 int ridx, group; 4219 4220 DPRINTFN(DBG_FN, ("%s: %s: chain=%zd, chan=%d\n", 4221 device_xname(sc->sc_dev), __func__, chain, chan)); 4222 4223 /* Determine channel group. */ 4224 if (chan <= 2) 4225 group = 0; 4226 else if (chan <= 5) 4227 group = 1; 4228 else if (chan <= 8) 4229 group = 2; 4230 else if (chan <= 11) 4231 group = 3; 4232 else if (chan <= 13) 4233 group = 4; 4234 else 4235 group = 5; 4236 4237 /* Get original Tx power based on board type and RF chain. */ 4238 base = &rtl8188eu_txagc[chain]; 4239 4240 memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 4241 if (sc->regulatory == 0) { 4242 for (ridx = 0; ridx <= 3; ridx++) 4243 power[ridx] = base->pwr[0][ridx]; 4244 } 4245 for (ridx = 4; ridx < URTWN_RIDX_COUNT; ridx++) { 4246 if (sc->regulatory == 3) 4247 power[ridx] = base->pwr[0][ridx]; 4248 else if (sc->regulatory == 1) { 4249 if (ht40m == IEEE80211_HTINFO_2NDCHAN_NONE) 4250 power[ridx] = base->pwr[group][ridx]; 4251 } else if (sc->regulatory != 2) 4252 power[ridx] = base->pwr[0][ridx]; 4253 } 4254 4255 /* Compute per-CCK rate Tx power. */ 4256 cckpow = sc->cck_tx_pwr[group]; 4257 for (ridx = 0; ridx <= 3; ridx++) { 4258 power[ridx] += cckpow; 4259 if (power[ridx] > R92C_MAX_TX_PWR) 4260 power[ridx] = R92C_MAX_TX_PWR; 4261 } 4262 4263 htpow = sc->ht40_tx_pwr[group]; 4264 4265 /* Compute per-OFDM rate Tx power. */ 4266 ofdmpow = htpow + sc->ofdm_tx_pwr_diff; 4267 for (ridx = 4; ridx <= 11; ridx++) { 4268 power[ridx] += ofdmpow; 4269 if (power[ridx] > R92C_MAX_TX_PWR) 4270 power[ridx] = R92C_MAX_TX_PWR; 4271 } 4272 4273 bw20pow = htpow + sc->bw20_tx_pwr_diff; 4274 for (ridx = 12; ridx <= 27; ridx++) { 4275 power[ridx] += bw20pow; 4276 if (power[ridx] > R92C_MAX_TX_PWR) 4277 power[ridx] = R92C_MAX_TX_PWR; 4278 } 4279 } 4280 4281 static void 4282 urtwn_set_txpower(struct urtwn_softc *sc, u_int chan, u_int ht40m) 4283 { 4284 uint16_t power[URTWN_RIDX_COUNT]; 4285 size_t i; 4286 4287 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 4288 4289 for (i = 0; i < sc->ntxchains; i++) { 4290 /* Compute per-rate Tx power values. */ 4291 if (ISSET(sc->chip, URTWN_CHIP_88E) || 4292 ISSET(sc->chip, URTWN_CHIP_92EU)) 4293 urtwn_r88e_get_txpower(sc, i, chan, ht40m, power); 4294 else 4295 urtwn_get_txpower(sc, i, chan, ht40m, power); 4296 /* Write per-rate Tx power values to hardware. */ 4297 urtwn_write_txpower(sc, i, power); 4298 } 4299 } 4300 4301 static void 4302 urtwn_set_chan(struct urtwn_softc *sc, struct ieee80211_channel *c, u_int ht40m) 4303 { 4304 struct ieee80211com *ic = &sc->sc_ic; 4305 u_int chan; 4306 size_t i; 4307 4308 chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 4309 4310 DPRINTFN(DBG_FN, ("%s: %s: chan=%d\n", device_xname(sc->sc_dev), 4311 __func__, chan)); 4312 4313 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4314 4315 if (ht40m == IEEE80211_HTINFO_2NDCHAN_ABOVE) { 4316 chan += 2; 4317 } else if (ht40m == IEEE80211_HTINFO_2NDCHAN_BELOW){ 4318 chan -= 2; 4319 } 4320 4321 /* Set Tx power for this new channel. */ 4322 urtwn_set_txpower(sc, chan, ht40m); 4323 4324 for (i = 0; i < sc->nrxchains; i++) { 4325 urtwn_rf_write(sc, i, R92C_RF_CHNLBW, 4326 RW(sc->rf_chnlbw[i], R92C_RF_CHNLBW_CHNL, chan)); 4327 } 4328 4329 if (ht40m) { 4330 /* Is secondary channel below or above primary? */ 4331 int prichlo = (ht40m == IEEE80211_HTINFO_2NDCHAN_ABOVE); 4332 uint32_t reg; 4333 4334 urtwn_write_1(sc, R92C_BWOPMODE, 4335 urtwn_read_1(sc, R92C_BWOPMODE) & ~R92C_BWOPMODE_20MHZ); 4336 4337 reg = urtwn_read_1(sc, R92C_RRSR + 2); 4338 reg = (reg & ~0x6f) | (prichlo ? 1 : 2) << 5; 4339 urtwn_write_1(sc, R92C_RRSR + 2, (uint8_t)reg); 4340 4341 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 4342 urtwn_bb_read(sc, R92C_FPGA0_RFMOD) | R92C_RFMOD_40MHZ); 4343 urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 4344 urtwn_bb_read(sc, R92C_FPGA1_RFMOD) | R92C_RFMOD_40MHZ); 4345 4346 /* Set CCK side band. */ 4347 reg = urtwn_bb_read(sc, R92C_CCK0_SYSTEM); 4348 reg = (reg & ~0x00000010) | (prichlo ? 0 : 1) << 4; 4349 urtwn_bb_write(sc, R92C_CCK0_SYSTEM, reg); 4350 4351 reg = urtwn_bb_read(sc, R92C_OFDM1_LSTF); 4352 reg = (reg & ~0x00000c00) | (prichlo ? 1 : 2) << 10; 4353 urtwn_bb_write(sc, R92C_OFDM1_LSTF, reg); 4354 4355 urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 4356 urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) & 4357 ~R92C_FPGA0_ANAPARAM2_CBW20); 4358 4359 reg = urtwn_bb_read(sc, 0x818); 4360 reg = (reg & ~0x0c000000) | (prichlo ? 2 : 1) << 26; 4361 urtwn_bb_write(sc, 0x818, reg); 4362 4363 /* Select 40MHz bandwidth. */ 4364 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 4365 (sc->rf_chnlbw[0] & ~0xfff) | chan); 4366 } else { 4367 urtwn_write_1(sc, R92C_BWOPMODE, 4368 urtwn_read_1(sc, R92C_BWOPMODE) | R92C_BWOPMODE_20MHZ); 4369 4370 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 4371 urtwn_bb_read(sc, R92C_FPGA0_RFMOD) & ~R92C_RFMOD_40MHZ); 4372 urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 4373 urtwn_bb_read(sc, R92C_FPGA1_RFMOD) & ~R92C_RFMOD_40MHZ); 4374 4375 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4376 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 4377 urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 4378 urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) | 4379 R92C_FPGA0_ANAPARAM2_CBW20); 4380 } 4381 4382 /* Select 20MHz bandwidth. */ 4383 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 4384 (sc->rf_chnlbw[0] & ~0xfff) | chan | 4385 (ISSET(sc->chip, URTWN_CHIP_88E) || 4386 ISSET(sc->chip, URTWN_CHIP_92EU) ? 4387 R88E_RF_CHNLBW_BW20 : R92C_RF_CHNLBW_BW20)); 4388 } 4389 } 4390 4391 static void 4392 urtwn_iq_calib(struct urtwn_softc *sc, bool inited) 4393 { 4394 4395 DPRINTFN(DBG_FN, ("%s: %s: inited=%d\n", device_xname(sc->sc_dev), 4396 __func__, inited)); 4397 4398 uint32_t addaBackup[16], iqkBackup[4], piMode; 4399 4400 #ifdef notyet 4401 uint32_t odfm0_agccore_regs[3]; 4402 uint32_t ant_regs[3]; 4403 uint32_t rf_regs[8]; 4404 #endif 4405 uint32_t reg0, reg1, reg2; 4406 int i, attempt; 4407 4408 #ifdef notyet 4409 urtwn_write_1(sc, R92E_STBC_SETTING + 2, urtwn_read_1(sc, 4410 R92E_STBC_SETTING + 2)); 4411 urtwn_write_1(sc, R92C_ACLK_MON, 0); 4412 /* Save AGCCORE regs. */ 4413 for (i = 0; i < sc->nrxchains; i++) { 4414 odfm0_agccore_regs[i] = urtwn_read_4(sc, 4415 R92C_OFDM0_AGCCORE1(i)); 4416 } 4417 #endif 4418 /* Save BB regs. */ 4419 reg0 = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 4420 reg1 = urtwn_bb_read(sc, R92C_OFDM0_TRMUXPAR); 4421 reg2 = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(1)); 4422 4423 /* Save adda regs to be restored when finished. */ 4424 for (i = 0; i < __arraycount(addaReg); i++) 4425 addaBackup[i] = urtwn_bb_read(sc, addaReg[i]); 4426 /* Save mac regs. */ 4427 iqkBackup[0] = urtwn_read_1(sc, R92C_TXPAUSE); 4428 iqkBackup[1] = urtwn_read_1(sc, R92C_BCN_CTRL); 4429 iqkBackup[2] = urtwn_read_1(sc, R92C_USTIME_TSF); 4430 iqkBackup[3] = urtwn_read_4(sc, R92C_GPIO_MUXCFG); 4431 4432 #ifdef notyet 4433 ant_regs[0] = urtwn_read_4(sc, R92C_CONFIG_ANT_A); 4434 ant_regs[1] = urtwn_read_4(sc, R92C_CONFIG_ANT_B); 4435 4436 rf_regs[0] = urtwn_read_4(sc, R92C_FPGA0_RFIFACESW(0)); 4437 for (i = 0; i < sc->nrxchains; i++) 4438 rf_regs[i+1] = urtwn_read_4(sc, R92C_FPGA0_RFIFACEOE(i)); 4439 reg4 = urtwn_read_4(sc, R92C_CCK0_AFESETTING); 4440 #endif 4441 4442 piMode = (urtwn_bb_read(sc, R92C_HSSI_PARAM1(0)) & 4443 R92C_HSSI_PARAM1_PI); 4444 if (piMode == 0) { 4445 urtwn_bb_write(sc, R92C_HSSI_PARAM1(0), 4446 urtwn_bb_read(sc, R92C_HSSI_PARAM1(0))| 4447 R92C_HSSI_PARAM1_PI); 4448 urtwn_bb_write(sc, R92C_HSSI_PARAM1(1), 4449 urtwn_bb_read(sc, R92C_HSSI_PARAM1(1))| 4450 R92C_HSSI_PARAM1_PI); 4451 } 4452 4453 attempt = 1; 4454 4455 next_attempt: 4456 4457 /* Set mac regs for calibration. */ 4458 for (i = 0; i < __arraycount(addaReg); i++) { 4459 urtwn_bb_write(sc, addaReg[i], 4460 addaReg[__arraycount(addaReg) - 1]); 4461 } 4462 urtwn_write_2(sc, R92C_CCK0_AFESETTING, urtwn_read_2(sc, 4463 R92C_CCK0_AFESETTING)); 4464 urtwn_write_2(sc, R92C_OFDM0_TRXPATHENA, R92C_IQK_TRXPATHENA); 4465 urtwn_write_2(sc, R92C_OFDM0_TRMUXPAR, R92C_IQK_TRMUXPAR); 4466 urtwn_write_2(sc, R92C_FPGA0_RFIFACESW(1), R92C_IQK_RFIFACESW1); 4467 urtwn_write_4(sc, R92C_LSSI_PARAM(0), R92C_IQK_LSSI_PARAM); 4468 4469 if (sc->ntxchains > 1) 4470 urtwn_bb_write(sc, R92C_LSSI_PARAM(1), R92C_IQK_LSSI_PARAM); 4471 4472 urtwn_write_1(sc, R92C_TXPAUSE, (~TP_STOPBECON) & TP_STOPALL); 4473 urtwn_write_1(sc, R92C_BCN_CTRL, (iqkBackup[1] & 4474 ~R92C_BCN_CTRL_EN_BCN)); 4475 urtwn_write_1(sc, R92C_USTIME_TSF, (iqkBackup[2] & ~0x8)); 4476 4477 urtwn_write_1(sc, R92C_GPIO_MUXCFG, (iqkBackup[3] & 4478 ~R92C_GPIO_MUXCFG_ENBT)); 4479 4480 urtwn_bb_write(sc, R92C_CONFIG_ANT_A, R92C_IQK_CONFIG_ANT); 4481 4482 if (sc->ntxchains > 1) 4483 urtwn_bb_write(sc, R92C_CONFIG_ANT_B, R92C_IQK_CONFIG_ANT); 4484 urtwn_bb_write(sc, R92C_FPGA0_IQK, R92C_FPGA0_IQK_SETTING); 4485 urtwn_bb_write(sc, R92C_TX_IQK, R92C_TX_IQK_SETTING); 4486 urtwn_bb_write(sc, R92C_RX_IQK, R92C_RX_IQK_SETTING); 4487 4488 /* Restore BB regs. */ 4489 urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg0); 4490 urtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(1), reg2); 4491 urtwn_bb_write(sc, R92C_OFDM0_TRMUXPAR, reg1); 4492 4493 urtwn_bb_write(sc, R92C_FPGA0_IQK, 0x0); 4494 urtwn_bb_write(sc, R92C_LSSI_PARAM(0), R92C_IQK_LSSI_RESTORE); 4495 if (sc->nrxchains > 1) 4496 urtwn_bb_write(sc, R92C_LSSI_PARAM(1), R92C_IQK_LSSI_RESTORE); 4497 4498 if (attempt-- > 0) 4499 goto next_attempt; 4500 4501 /* Restore mode. */ 4502 if (piMode == 0) { 4503 urtwn_bb_write(sc, R92C_HSSI_PARAM1(0), 4504 urtwn_bb_read(sc, R92C_HSSI_PARAM1(0)) & 4505 ~R92C_HSSI_PARAM1_PI); 4506 urtwn_bb_write(sc, R92C_HSSI_PARAM1(1), 4507 urtwn_bb_read(sc, R92C_HSSI_PARAM1(1)) & 4508 ~R92C_HSSI_PARAM1_PI); 4509 } 4510 4511 #ifdef notyet 4512 for (i = 0; i < sc->nrxchains; i++) { 4513 urtwn_write_4(sc, R92C_OFDM0_AGCCORE1(i), 4514 odfm0_agccore_regs[i]); 4515 } 4516 #endif 4517 4518 /* Restore adda regs. */ 4519 for (i = 0; i < __arraycount(addaReg); i++) 4520 urtwn_bb_write(sc, addaReg[i], addaBackup[i]); 4521 /* Restore mac regs. */ 4522 urtwn_write_1(sc, R92C_TXPAUSE, iqkBackup[0]); 4523 urtwn_write_1(sc, R92C_BCN_CTRL, iqkBackup[1]); 4524 urtwn_write_1(sc, R92C_USTIME_TSF, iqkBackup[2]); 4525 urtwn_write_4(sc, R92C_GPIO_MUXCFG, iqkBackup[3]); 4526 4527 #ifdef notyet 4528 urtwn_write_4(sc, R92C_CONFIG_ANT_A, ant_regs[0]); 4529 urtwn_write_4(sc, R92C_CONFIG_ANT_B, ant_regs[1]); 4530 4531 urtwn_write_4(sc, R92C_FPGA0_RFIFACESW(0), rf_regs[0]); 4532 for (i = 0; i < sc->nrxchains; i++) 4533 urtwn_write_4(sc, R92C_FPGA0_RFIFACEOE(i), rf_regs[i+1]); 4534 urtwn_write_4(sc, R92C_CCK0_AFESETTING, reg4); 4535 #endif 4536 } 4537 4538 static void 4539 urtwn_lc_calib(struct urtwn_softc *sc) 4540 { 4541 uint32_t rf_ac[2]; 4542 uint8_t txmode; 4543 size_t i; 4544 4545 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 4546 4547 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4548 4549 txmode = urtwn_read_1(sc, R92C_OFDM1_LSTF + 3); 4550 if ((txmode & 0x70) != 0) { 4551 /* Disable all continuous Tx. */ 4552 urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode & ~0x70); 4553 4554 /* Set RF mode to standby mode. */ 4555 for (i = 0; i < sc->nrxchains; i++) { 4556 rf_ac[i] = urtwn_rf_read(sc, i, R92C_RF_AC); 4557 urtwn_rf_write(sc, i, R92C_RF_AC, 4558 RW(rf_ac[i], R92C_RF_AC_MODE, 4559 R92C_RF_AC_MODE_STANDBY)); 4560 } 4561 } else { 4562 /* Block all Tx queues. */ 4563 urtwn_write_1(sc, R92C_TXPAUSE, 0xff); 4564 } 4565 /* Start calibration. */ 4566 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 4567 urtwn_rf_read(sc, 0, R92C_RF_CHNLBW) | R92C_RF_CHNLBW_LCSTART); 4568 4569 /* Give calibration the time to complete. */ 4570 urtwn_delay_ms(sc, 100); 4571 4572 /* Restore configuration. */ 4573 if ((txmode & 0x70) != 0) { 4574 /* Restore Tx mode. */ 4575 urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode); 4576 /* Restore RF mode. */ 4577 for (i = 0; i < sc->nrxchains; i++) { 4578 urtwn_rf_write(sc, i, R92C_RF_AC, rf_ac[i]); 4579 } 4580 } else { 4581 /* Unblock all Tx queues. */ 4582 urtwn_write_1(sc, R92C_TXPAUSE, 0x00); 4583 } 4584 } 4585 4586 static void 4587 urtwn_temp_calib(struct urtwn_softc *sc) 4588 { 4589 int temp, t_meter_reg; 4590 4591 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 4592 4593 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4594 4595 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) 4596 t_meter_reg = R92C_RF_T_METER; 4597 else 4598 t_meter_reg = R92E_RF_T_METER; 4599 4600 if (sc->thcal_state == 0) { 4601 /* Start measuring temperature. */ 4602 DPRINTFN(DBG_RF, ("%s: %s: start measuring temperature\n", 4603 device_xname(sc->sc_dev), __func__)); 4604 urtwn_rf_write(sc, 0, t_meter_reg, 0x60); 4605 sc->thcal_state = 1; 4606 return; 4607 } 4608 sc->thcal_state = 0; 4609 4610 /* Read measured temperature. */ 4611 temp = urtwn_rf_read(sc, 0, R92C_RF_T_METER) & 0x1f; 4612 DPRINTFN(DBG_RF, ("%s: %s: temperature=%d\n", device_xname(sc->sc_dev), 4613 __func__, temp)); 4614 if (temp == 0) /* Read failed, skip. */ 4615 return; 4616 4617 /* 4618 * Redo LC calibration if temperature changed significantly since 4619 * last calibration. 4620 */ 4621 if (sc->thcal_lctemp == 0) { 4622 /* First LC calibration is performed in urtwn_init(). */ 4623 sc->thcal_lctemp = temp; 4624 } else if (abs(temp - sc->thcal_lctemp) > 1) { 4625 DPRINTFN(DBG_RF, 4626 ("%s: %s: LC calib triggered by temp: %d -> %d\n", 4627 device_xname(sc->sc_dev), __func__, sc->thcal_lctemp, 4628 temp)); 4629 urtwn_lc_calib(sc); 4630 /* Record temperature of last LC calibration. */ 4631 sc->thcal_lctemp = temp; 4632 } 4633 } 4634 4635 static int 4636 urtwn_init(struct ifnet *ifp) 4637 { 4638 struct urtwn_softc *sc = ifp->if_softc; 4639 struct ieee80211com *ic = &sc->sc_ic; 4640 struct urtwn_rx_data *data; 4641 uint32_t reg; 4642 size_t i; 4643 int error; 4644 4645 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 4646 4647 urtwn_stop(ifp, 0); 4648 4649 mutex_enter(&sc->sc_write_mtx); 4650 4651 mutex_enter(&sc->sc_task_mtx); 4652 /* Init host async commands ring. */ 4653 sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0; 4654 mutex_exit(&sc->sc_task_mtx); 4655 4656 mutex_enter(&sc->sc_fwcmd_mtx); 4657 /* Init firmware commands ring. */ 4658 sc->fwcur = 0; 4659 mutex_exit(&sc->sc_fwcmd_mtx); 4660 4661 /* Allocate Tx/Rx buffers. */ 4662 error = urtwn_alloc_rx_list(sc); 4663 if (error != 0) { 4664 aprint_error_dev(sc->sc_dev, 4665 "could not allocate Rx buffers\n"); 4666 goto fail; 4667 } 4668 error = urtwn_alloc_tx_list(sc); 4669 if (error != 0) { 4670 aprint_error_dev(sc->sc_dev, 4671 "could not allocate Tx buffers\n"); 4672 goto fail; 4673 } 4674 4675 /* Power on adapter. */ 4676 error = urtwn_power_on(sc); 4677 if (error != 0) 4678 goto fail; 4679 4680 /* Initialize DMA. */ 4681 error = urtwn_dma_init(sc); 4682 if (error != 0) 4683 goto fail; 4684 4685 /* Set info size in Rx descriptors (in 64-bit words). */ 4686 urtwn_write_1(sc, R92C_RX_DRVINFO_SZ, 4); 4687 4688 /* Init interrupts. */ 4689 if (ISSET(sc->chip, URTWN_CHIP_88E) || 4690 ISSET(sc->chip, URTWN_CHIP_92EU)) { 4691 urtwn_write_4(sc, R88E_HISR, 0xffffffff); 4692 urtwn_write_4(sc, R88E_HIMR, R88E_HIMR_CPWM | R88E_HIMR_CPWM2 | 4693 R88E_HIMR_TBDER | R88E_HIMR_PSTIMEOUT); 4694 urtwn_write_4(sc, R88E_HIMRE, R88E_HIMRE_RXFOVW | 4695 R88E_HIMRE_TXFOVW | R88E_HIMRE_RXERR | R88E_HIMRE_TXERR); 4696 if (ISSET(sc->chip, URTWN_CHIP_88E)) { 4697 urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 4698 urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) | 4699 R92C_USB_SPECIAL_OPTION_INT_BULK_SEL); 4700 } 4701 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 4702 urtwn_write_1(sc, R92C_USB_HRPWM, 0); 4703 } else { 4704 urtwn_write_4(sc, R92C_HISR, 0xffffffff); 4705 urtwn_write_4(sc, R92C_HIMR, 0xffffffff); 4706 } 4707 4708 /* Set MAC address. */ 4709 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 4710 urtwn_write_region(sc, R92C_MACID, ic->ic_myaddr, IEEE80211_ADDR_LEN); 4711 4712 /* Set initial network type. */ 4713 reg = urtwn_read_4(sc, R92C_CR); 4714 switch (ic->ic_opmode) { 4715 case IEEE80211_M_STA: 4716 default: 4717 reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_INFRA); 4718 break; 4719 4720 case IEEE80211_M_IBSS: 4721 reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_ADHOC); 4722 break; 4723 } 4724 urtwn_write_4(sc, R92C_CR, reg); 4725 4726 /* Set response rate */ 4727 reg = urtwn_read_4(sc, R92C_RRSR); 4728 reg = RW(reg, R92C_RRSR_RATE_BITMAP, R92C_RRSR_RATE_CCK_ONLY_1M); 4729 urtwn_write_4(sc, R92C_RRSR, reg); 4730 4731 /* SIFS (used in NAV) */ 4732 urtwn_write_2(sc, R92C_SPEC_SIFS, 4733 SM(R92C_SPEC_SIFS_CCK, 0x10) | SM(R92C_SPEC_SIFS_OFDM, 0x10)); 4734 4735 /* Set short/long retry limits. */ 4736 urtwn_write_2(sc, R92C_RL, 4737 SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30)); 4738 4739 /* Initialize EDCA parameters. */ 4740 urtwn_edca_init(sc); 4741 4742 /* Setup rate fallback. */ 4743 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4744 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 4745 urtwn_write_4(sc, R92C_DARFRC + 0, 0x00000000); 4746 urtwn_write_4(sc, R92C_DARFRC + 4, 0x10080404); 4747 urtwn_write_4(sc, R92C_RARFRC + 0, 0x04030201); 4748 urtwn_write_4(sc, R92C_RARFRC + 4, 0x08070605); 4749 } 4750 4751 urtwn_write_1(sc, R92C_FWHW_TXQ_CTRL, 4752 urtwn_read_1(sc, R92C_FWHW_TXQ_CTRL) | 4753 R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW); 4754 /* Set ACK timeout. */ 4755 urtwn_write_1(sc, R92C_ACKTO, 0x40); 4756 4757 /* Setup USB aggregation. */ 4758 /* Tx */ 4759 reg = urtwn_read_4(sc, R92C_TDECTRL); 4760 reg = RW(reg, R92C_TDECTRL_BLK_DESC_NUM, 6); 4761 urtwn_write_4(sc, R92C_TDECTRL, reg); 4762 /* Rx */ 4763 urtwn_write_1(sc, R92C_TRXDMA_CTRL, 4764 urtwn_read_1(sc, R92C_TRXDMA_CTRL) | 4765 R92C_TRXDMA_CTRL_RXDMA_AGG_EN); 4766 urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 4767 urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) & 4768 ~R92C_USB_SPECIAL_OPTION_AGG_EN); 4769 urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH, 48); 4770 if (ISSET(sc->chip, URTWN_CHIP_88E) || 4771 ISSET(sc->chip, URTWN_CHIP_92EU)) 4772 urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH + 1, 4); 4773 else 4774 urtwn_write_1(sc, R92C_USB_DMA_AGG_TO, 4); 4775 4776 /* Initialize beacon parameters. */ 4777 urtwn_write_2(sc, R92C_BCN_CTRL, 0x1010); 4778 urtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404); 4779 urtwn_write_1(sc, R92C_DRVERLYINT, R92C_DRIVER_EARLY_INT_TIME); 4780 urtwn_write_1(sc, R92C_BCNDMATIM, R92C_DMA_ATIME_INT_TIME); 4781 urtwn_write_2(sc, R92C_BCNTCFG, 0x660f); 4782 4783 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4784 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 4785 /* Setup AMPDU aggregation. */ 4786 urtwn_write_4(sc, R92C_AGGLEN_LMT, 0x99997631); /* MCS7~0 */ 4787 urtwn_write_1(sc, R92C_AGGR_BREAK_TIME, 0x16); 4788 urtwn_write_2(sc, 0x4ca, 0x0708); 4789 4790 urtwn_write_1(sc, R92C_BCN_MAX_ERR, 0xff); 4791 urtwn_write_1(sc, R92C_BCN_CTRL, R92C_BCN_CTRL_DIS_TSF_UDT0); 4792 } 4793 4794 /* Load 8051 microcode. */ 4795 error = urtwn_load_firmware(sc); 4796 if (error != 0) 4797 goto fail; 4798 SET(sc->sc_flags, URTWN_FLAG_FWREADY); 4799 4800 /* Initialize MAC/BB/RF blocks. */ 4801 /* 4802 * XXX: urtwn_mac_init() sets R92C_RCR[0:15] = R92C_RCR_APM | 4803 * R92C_RCR_AM | R92C_RCR_AB | R92C_RCR_AICV | R92C_RCR_AMF. 4804 * XXX: This setting should be removed from rtl8192cu_mac[]. 4805 */ 4806 urtwn_mac_init(sc); // sets R92C_RCR[0:15] 4807 urtwn_rxfilter_init(sc); // reset R92C_RCR 4808 urtwn_bb_init(sc); 4809 urtwn_rf_init(sc); 4810 4811 if (ISSET(sc->chip, URTWN_CHIP_88E) || 4812 ISSET(sc->chip, URTWN_CHIP_92EU)) { 4813 urtwn_write_2(sc, R92C_CR, 4814 urtwn_read_2(sc, R92C_CR) | R92C_CR_MACTXEN | 4815 R92C_CR_MACRXEN); 4816 } 4817 4818 /* Turn CCK and OFDM blocks on. */ 4819 reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 4820 reg |= R92C_RFMOD_CCK_EN; 4821 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 4822 reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 4823 reg |= R92C_RFMOD_OFDM_EN; 4824 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 4825 4826 /* Clear per-station keys table. */ 4827 urtwn_cam_init(sc); 4828 4829 /* Enable hardware sequence numbering. */ 4830 urtwn_write_1(sc, R92C_HWSEQ_CTRL, 0xff); 4831 4832 /* Perform LO and IQ calibrations. */ 4833 urtwn_iq_calib(sc, sc->iqk_inited); 4834 sc->iqk_inited = true; 4835 4836 /* Perform LC calibration. */ 4837 urtwn_lc_calib(sc); 4838 4839 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4840 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 4841 /* Fix USB interference issue. */ 4842 urtwn_write_1(sc, 0xfe40, 0xe0); 4843 urtwn_write_1(sc, 0xfe41, 0x8d); 4844 urtwn_write_1(sc, 0xfe42, 0x80); 4845 urtwn_write_4(sc, 0x20c, 0xfd0320); 4846 4847 urtwn_pa_bias_init(sc); 4848 } 4849 4850 if (!(sc->chip & (URTWN_CHIP_92C | URTWN_CHIP_92C_1T2R)) || 4851 !(sc->chip & URTWN_CHIP_92EU)) { 4852 /* 1T1R */ 4853 urtwn_bb_write(sc, R92C_FPGA0_RFPARAM(0), 4854 urtwn_bb_read(sc, R92C_FPGA0_RFPARAM(0)) | __BIT(13)); 4855 } 4856 4857 /* Initialize GPIO setting. */ 4858 urtwn_write_1(sc, R92C_GPIO_MUXCFG, 4859 urtwn_read_1(sc, R92C_GPIO_MUXCFG) & ~R92C_GPIO_MUXCFG_ENBT); 4860 4861 /* Fix for lower temperature. */ 4862 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4863 !ISSET(sc->chip, URTWN_CHIP_92EU)) 4864 urtwn_write_1(sc, 0x15, 0xe9); 4865 4866 /* Set default channel. */ 4867 urtwn_set_chan(sc, ic->ic_curchan, IEEE80211_HTINFO_2NDCHAN_NONE); 4868 4869 /* Queue Rx xfers. */ 4870 for (size_t j = 0; j < sc->rx_npipe; j++) { 4871 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 4872 data = &sc->rx_data[j][i]; 4873 usbd_setup_xfer(data->xfer, data, data->buf, 4874 URTWN_RXBUFSZ, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, 4875 urtwn_rxeof); 4876 error = usbd_transfer(data->xfer); 4877 if (__predict_false(error != USBD_NORMAL_COMPLETION && 4878 error != USBD_IN_PROGRESS)) 4879 goto fail; 4880 } 4881 } 4882 4883 /* We're ready to go. */ 4884 ifp->if_flags &= ~IFF_OACTIVE; 4885 ifp->if_flags |= IFF_RUNNING; 4886 sc->sc_running = true; 4887 4888 mutex_exit(&sc->sc_write_mtx); 4889 4890 if (ic->ic_opmode == IEEE80211_M_MONITOR) 4891 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 4892 else if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL) 4893 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 4894 urtwn_wait_async(sc); 4895 4896 return 0; 4897 4898 fail: 4899 mutex_exit(&sc->sc_write_mtx); 4900 4901 urtwn_stop(ifp, 1); 4902 return error; 4903 } 4904 4905 static void 4906 urtwn_stop(struct ifnet *ifp, int disable) 4907 { 4908 struct urtwn_softc *sc = ifp->if_softc; 4909 struct ieee80211com *ic = &sc->sc_ic; 4910 size_t i; 4911 int s; 4912 4913 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 4914 4915 s = splusb(); 4916 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 4917 urtwn_wait_async(sc); 4918 splx(s); 4919 4920 sc->tx_timer = 0; 4921 ifp->if_timer = 0; 4922 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 4923 4924 callout_stop(&sc->sc_scan_to); 4925 callout_stop(&sc->sc_calib_to); 4926 4927 /* Abort Tx. */ 4928 for (i = 0; i < sc->tx_npipe; i++) { 4929 if (sc->tx_pipe[i] != NULL) 4930 usbd_abort_pipe(sc->tx_pipe[i]); 4931 } 4932 4933 /* Stop Rx pipe. */ 4934 for (i = 0; i < sc->rx_npipe; i++) { 4935 if (sc->rx_pipe[i] != NULL) 4936 usbd_abort_pipe(sc->rx_pipe[i]); 4937 } 4938 4939 /* Free Tx/Rx buffers. */ 4940 urtwn_free_tx_list(sc); 4941 urtwn_free_rx_list(sc); 4942 4943 sc->sc_running = false; 4944 if (disable) 4945 urtwn_chip_stop(sc); 4946 } 4947 4948 static int 4949 urtwn_reset(struct ifnet *ifp) 4950 { 4951 struct urtwn_softc *sc = ifp->if_softc; 4952 struct ieee80211com *ic = &sc->sc_ic; 4953 4954 if (ic->ic_opmode != IEEE80211_M_MONITOR) 4955 return ENETRESET; 4956 4957 urtwn_set_chan(sc, ic->ic_curchan, IEEE80211_HTINFO_2NDCHAN_NONE); 4958 4959 return 0; 4960 } 4961 4962 static void 4963 urtwn_chip_stop(struct urtwn_softc *sc) 4964 { 4965 uint32_t reg; 4966 bool disabled = true; 4967 4968 DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__)); 4969 4970 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 4971 return; 4972 4973 mutex_enter(&sc->sc_write_mtx); 4974 4975 /* 4976 * RF Off Sequence 4977 */ 4978 /* Pause MAC TX queue */ 4979 urtwn_write_1(sc, R92C_TXPAUSE, 0xFF); 4980 4981 /* Disable RF */ 4982 urtwn_rf_write(sc, 0, 0, 0); 4983 4984 urtwn_write_1(sc, R92C_APSD_CTRL, R92C_APSD_CTRL_OFF); 4985 4986 /* Reset BB state machine */ 4987 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 4988 R92C_SYS_FUNC_EN_USBD | 4989 R92C_SYS_FUNC_EN_USBA | 4990 R92C_SYS_FUNC_EN_BB_GLB_RST); 4991 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 4992 R92C_SYS_FUNC_EN_USBD | R92C_SYS_FUNC_EN_USBA); 4993 4994 /* 4995 * Reset digital sequence 4996 */ 4997 if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RDY) { 4998 /* Reset MCU ready status */ 4999 urtwn_write_1(sc, R92C_MCUFWDL, 0); 5000 /* If firmware in ram code, do reset */ 5001 if (ISSET(sc->sc_flags, URTWN_FLAG_FWREADY)) { 5002 if (ISSET(sc->chip, URTWN_CHIP_88E) || 5003 ISSET(sc->chip, URTWN_CHIP_92EU)) 5004 urtwn_r88e_fw_reset(sc); 5005 else 5006 urtwn_fw_reset(sc); 5007 CLR(sc->sc_flags, URTWN_FLAG_FWREADY); 5008 } 5009 } 5010 5011 /* Reset MAC and Enable 8051 */ 5012 urtwn_write_1(sc, R92C_SYS_FUNC_EN + 1, 0x54); 5013 5014 /* Reset MCU ready status */ 5015 urtwn_write_1(sc, R92C_MCUFWDL, 0); 5016 5017 if (disabled) { 5018 /* Disable MAC clock */ 5019 urtwn_write_2(sc, R92C_SYS_CLKR, 0x70A3); 5020 /* Disable AFE PLL */ 5021 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 0x80); 5022 /* Gated AFE DIG_CLOCK */ 5023 urtwn_write_2(sc, R92C_AFE_XTAL_CTRL, 0x880F); 5024 /* Isolated digital to PON */ 5025 urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 0xF9); 5026 } 5027 5028 /* 5029 * Pull GPIO PIN to balance level and LED control 5030 */ 5031 /* 1. Disable GPIO[7:0] */ 5032 urtwn_write_2(sc, R92C_GPIO_PIN_CTRL + 2, 0x0000); 5033 5034 reg = urtwn_read_4(sc, R92C_GPIO_PIN_CTRL) & ~0x0000ff00; 5035 reg |= ((reg << 8) & 0x0000ff00) | 0x00ff0000; 5036 urtwn_write_4(sc, R92C_GPIO_PIN_CTRL, reg); 5037 5038 /* Disable GPIO[10:8] */ 5039 urtwn_write_1(sc, R92C_GPIO_MUXCFG + 3, 0x00); 5040 5041 reg = urtwn_read_2(sc, R92C_GPIO_MUXCFG + 2) & ~0x00f0; 5042 reg |= (((reg & 0x000f) << 4) | 0x0780); 5043 urtwn_write_2(sc, R92C_GPIO_MUXCFG + 2, reg); 5044 5045 /* Disable LED0 & 1 */ 5046 urtwn_write_2(sc, R92C_LEDCFG0, 0x8080); 5047 5048 /* 5049 * Reset digital sequence 5050 */ 5051 if (disabled) { 5052 /* Disable ELDR clock */ 5053 urtwn_write_2(sc, R92C_SYS_CLKR, 0x70A3); 5054 /* Isolated ELDR to PON */ 5055 urtwn_write_1(sc, R92C_SYS_ISO_CTRL + 1, 0x82); 5056 } 5057 5058 /* 5059 * Disable analog sequence 5060 */ 5061 if (disabled) { 5062 /* Disable A15 power */ 5063 urtwn_write_1(sc, R92C_LDOA15_CTRL, 0x04); 5064 /* Disable digital core power */ 5065 urtwn_write_1(sc, R92C_LDOV12D_CTRL, 5066 urtwn_read_1(sc, R92C_LDOV12D_CTRL) & 5067 ~R92C_LDOV12D_CTRL_LDV12_EN); 5068 } 5069 5070 /* Enter PFM mode */ 5071 urtwn_write_1(sc, R92C_SPS0_CTRL, 0x23); 5072 5073 /* Set USB suspend */ 5074 urtwn_write_2(sc, R92C_APS_FSMCO, 5075 R92C_APS_FSMCO_APDM_HOST | 5076 R92C_APS_FSMCO_AFSM_HSUS | 5077 R92C_APS_FSMCO_PFM_ALDN); 5078 5079 urtwn_write_1(sc, R92C_RSV_CTRL, 0x0E); 5080 5081 mutex_exit(&sc->sc_write_mtx); 5082 } 5083 5084 static void 5085 urtwn_delay_ms(struct urtwn_softc *sc, int ms) 5086 { 5087 if (sc->sc_running == false) 5088 DELAY(ms * 1000); 5089 else 5090 usbd_delay_ms(sc->sc_udev, ms); 5091 } 5092 5093 MODULE(MODULE_CLASS_DRIVER, if_urtwn, "bpf"); 5094 5095 #ifdef _MODULE 5096 #include "ioconf.c" 5097 #endif 5098 5099 static int 5100 if_urtwn_modcmd(modcmd_t cmd, void *aux) 5101 { 5102 int error = 0; 5103 5104 switch (cmd) { 5105 case MODULE_CMD_INIT: 5106 #ifdef _MODULE 5107 error = config_init_component(cfdriver_ioconf_urtwn, 5108 cfattach_ioconf_urtwn, cfdata_ioconf_urtwn); 5109 #endif 5110 return error; 5111 case MODULE_CMD_FINI: 5112 #ifdef _MODULE 5113 error = config_fini_component(cfdriver_ioconf_urtwn, 5114 cfattach_ioconf_urtwn, cfdata_ioconf_urtwn); 5115 #endif 5116 return error; 5117 default: 5118 return ENOTTY; 5119 } 5120 } 5121
Indexes created Thu Oct 02 14:10:14 GMT 2025