if_urtwn.c revision 1.102
1 /* $NetBSD: if_urtwn.c,v 1.102 2022/04/06 21:51:29 mlelstv 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 1.102 2022/04/06 21:51:29 mlelstv 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 #include <sys/rndsource.h> 46 47 #include <sys/bus.h> 48 #include <machine/endian.h> 49 #include <sys/intr.h> 50 51 #include <net/bpf.h> 52 #include <net/if.h> 53 #include <net/if_arp.h> 54 #include <net/if_dl.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 #include <net/if_types.h> 58 59 #include <netinet/in.h> 60 #include <netinet/in_systm.h> 61 #include <netinet/in_var.h> 62 #include <netinet/ip.h> 63 #include <netinet/if_inarp.h> 64 65 #include <net80211/ieee80211_netbsd.h> 66 #include <net80211/ieee80211_var.h> 67 #include <net80211/ieee80211_radiotap.h> 68 69 #include <dev/firmload.h> 70 71 #include <dev/usb/usb.h> 72 #include <dev/usb/usbdi.h> 73 #include <dev/usb/usbdivar.h> 74 #include <dev/usb/usbdi_util.h> 75 #include <dev/usb/usbdevs.h> 76 #include <dev/usb/usbhist.h> 77 78 #include <dev/ic/rtwnreg.h> 79 #include <dev/ic/rtwn_data.h> 80 #include <dev/usb/if_urtwnreg.h> 81 #include <dev/usb/if_urtwnvar.h> 82 83 /* 84 * The sc_write_mtx locking is to prevent sequences of writes from 85 * being intermingled with each other. I don't know if this is really 86 * needed. I have added it just to be on the safe side. 87 */ 88 89 #ifdef URTWN_DEBUG 90 #define DBG_INIT __BIT(0) 91 #define DBG_FN __BIT(1) 92 #define DBG_TX __BIT(2) 93 #define DBG_RX __BIT(3) 94 #define DBG_STM __BIT(4) 95 #define DBG_RF __BIT(5) 96 #define DBG_REG __BIT(6) 97 #define DBG_ALL 0xffffffffU 98 u_int urtwn_debug = 0; 99 #define DPRINTFN(n, fmt, a, b, c, d) do { \ 100 if (urtwn_debug & (n)) { \ 101 KERNHIST_LOG(usbhist, fmt, a, b, c, d); \ 102 } \ 103 } while (/*CONSTCOND*/0) 104 #define URTWNHIST_FUNC() USBHIST_FUNC() 105 #define URTWNHIST_CALLED() do { \ 106 if (urtwn_debug & DBG_FN) { \ 107 KERNHIST_CALLED(usbhist); \ 108 } \ 109 } while(/*CONSTCOND*/0) 110 #define URTWNHIST_CALLARGS(fmt, a, b, c, d) do { \ 111 if (urtwn_debug & DBG_FN) { \ 112 KERNHIST_CALLARGS(usbhist, fmt, a, b, c, d); \ 113 } \ 114 } while(/*CONSTCOND*/0) 115 #else 116 #define DPRINTFN(n, fmt, a, b, c, d) 117 #define URTWNHIST_FUNC() 118 #define URTWNHIST_CALLED() 119 #define URTWNHIST_CALLARGS(fmt, a, b, c, d) 120 #endif 121 122 #define URTWN_DEV(v,p) { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, 0 } 123 #define URTWN_RTL8188E_DEV(v,p) \ 124 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, FLAG_RTL8188E } 125 #define URTWN_RTL8192EU_DEV(v,p) \ 126 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, FLAG_RTL8192E } 127 static const struct urtwn_dev { 128 struct usb_devno dev; 129 uint32_t flags; 130 #define FLAG_RTL8188E __BIT(0) 131 #define FLAG_RTL8192E __BIT(1) 132 } urtwn_devs[] = { 133 URTWN_DEV(ABOCOM, RTL8188CU_1), 134 URTWN_DEV(ABOCOM, RTL8188CU_2), 135 URTWN_DEV(ABOCOM, RTL8192CU), 136 URTWN_DEV(ASUSTEK, RTL8192CU), 137 URTWN_DEV(ASUSTEK, RTL8192CU_3), 138 URTWN_DEV(ASUSTEK, USBN10NANO), 139 URTWN_DEV(ASUSTEK, RTL8192CU_3), 140 URTWN_DEV(AZUREWAVE, RTL8188CE_1), 141 URTWN_DEV(AZUREWAVE, RTL8188CE_2), 142 URTWN_DEV(AZUREWAVE, RTL8188CU), 143 URTWN_DEV(BELKIN, F7D2102), 144 URTWN_DEV(BELKIN, RTL8188CU), 145 URTWN_DEV(BELKIN, RTL8188CUS), 146 URTWN_DEV(BELKIN, RTL8192CU), 147 URTWN_DEV(BELKIN, RTL8192CU_1), 148 URTWN_DEV(BELKIN, RTL8192CU_2), 149 URTWN_DEV(CHICONY, RTL8188CUS_1), 150 URTWN_DEV(CHICONY, RTL8188CUS_2), 151 URTWN_DEV(CHICONY, RTL8188CUS_3), 152 URTWN_DEV(CHICONY, RTL8188CUS_4), 153 URTWN_DEV(CHICONY, RTL8188CUS_5), 154 URTWN_DEV(CHICONY, RTL8188CUS_6), 155 URTWN_DEV(COMPARE, RTL8192CU), 156 URTWN_DEV(COREGA, RTL8192CU), 157 URTWN_DEV(DLINK, DWA131B), 158 URTWN_DEV(DLINK, RTL8188CU), 159 URTWN_DEV(DLINK, RTL8192CU_1), 160 URTWN_DEV(DLINK, RTL8192CU_2), 161 URTWN_DEV(DLINK, RTL8192CU_3), 162 URTWN_DEV(DLINK, RTL8192CU_4), 163 URTWN_DEV(EDIMAX, RTL8188CU), 164 URTWN_DEV(EDIMAX, RTL8192CU), 165 URTWN_DEV(FEIXUN, RTL8188CU), 166 URTWN_DEV(FEIXUN, RTL8192CU), 167 URTWN_DEV(GUILLEMOT, HWNUP150), 168 URTWN_DEV(GUILLEMOT, RTL8192CU), 169 URTWN_DEV(HAWKING, RTL8192CU), 170 URTWN_DEV(HAWKING, RTL8192CU_2), 171 URTWN_DEV(HP3, RTL8188CU), 172 URTWN_DEV(IODATA, WNG150UM), 173 URTWN_DEV(IODATA, RTL8192CU), 174 URTWN_DEV(NETGEAR, WNA1000M), 175 URTWN_DEV(NETGEAR, RTL8192CU), 176 URTWN_DEV(NETGEAR4, RTL8188CU), 177 URTWN_DEV(NOVATECH, RTL8188CU), 178 URTWN_DEV(PLANEX2, RTL8188CU_1), 179 URTWN_DEV(PLANEX2, RTL8188CU_2), 180 URTWN_DEV(PLANEX2, RTL8192CU), 181 URTWN_DEV(PLANEX2, RTL8188CU_3), 182 URTWN_DEV(PLANEX2, RTL8188CU_4), 183 URTWN_DEV(PLANEX2, RTL8188CUS), 184 URTWN_DEV(REALTEK, RTL8188CE_0), 185 URTWN_DEV(REALTEK, RTL8188CE_1), 186 URTWN_DEV(REALTEK, RTL8188CTV), 187 URTWN_DEV(REALTEK, RTL8188CU_0), 188 URTWN_DEV(REALTEK, RTL8188CU_1), 189 URTWN_DEV(REALTEK, RTL8188CU_2), 190 URTWN_DEV(REALTEK, RTL8188CU_3), 191 URTWN_DEV(REALTEK, RTL8188CU_COMBO), 192 URTWN_DEV(REALTEK, RTL8188CUS), 193 URTWN_DEV(REALTEK, RTL8188RU), 194 URTWN_DEV(REALTEK, RTL8188RU_2), 195 URTWN_DEV(REALTEK, RTL8188RU_3), 196 URTWN_DEV(REALTEK, RTL8191CU), 197 URTWN_DEV(REALTEK, RTL8192CE), 198 URTWN_DEV(REALTEK, RTL8192CU), 199 URTWN_DEV(SITECOMEU, RTL8188CU), 200 URTWN_DEV(SITECOMEU, RTL8188CU_2), 201 URTWN_DEV(SITECOMEU, RTL8192CU), 202 URTWN_DEV(SITECOMEU, RTL8192CUR2), 203 URTWN_DEV(TPLINK, RTL8192CU), 204 URTWN_DEV(TRENDNET, RTL8188CU), 205 URTWN_DEV(TRENDNET, RTL8192CU), 206 URTWN_DEV(ZYXEL, RTL8192CU), 207 208 /* URTWN_RTL8188E */ 209 URTWN_RTL8188E_DEV(DLINK, DWA125D1), 210 URTWN_RTL8188E_DEV(ELECOM, WDC150SU2M), 211 URTWN_RTL8188E_DEV(REALTEK, RTL8188ETV), 212 URTWN_RTL8188E_DEV(REALTEK, RTL8188EU), 213 URTWN_RTL8188E_DEV(ABOCOM, RTL8188EU), 214 URTWN_RTL8188E_DEV(TPLINK, RTL8188EU), 215 URTWN_RTL8188E_DEV(DLINK, DWA121B1), 216 URTWN_RTL8188E_DEV(EDIMAX, EW7811UNV2), 217 218 /* URTWN_RTL8192EU */ 219 URTWN_RTL8192EU_DEV(DLINK, DWA131E), 220 URTWN_RTL8192EU_DEV(REALTEK, RTL8192EU), 221 URTWN_RTL8192EU_DEV(TPLINK, WN821NV5), 222 URTWN_RTL8192EU_DEV(TPLINK, WN822NV4), 223 URTWN_RTL8192EU_DEV(TPLINK, WN823NV2), 224 }; 225 #undef URTWN_DEV 226 #undef URTWN_RTL8188E_DEV 227 #undef URTWN_RTL8192EU_DEV 228 229 static int urtwn_match(device_t, cfdata_t, void *); 230 static void urtwn_attach(device_t, device_t, void *); 231 static int urtwn_detach(device_t, int); 232 static int urtwn_activate(device_t, enum devact); 233 234 CFATTACH_DECL_NEW(urtwn, sizeof(struct urtwn_softc), urtwn_match, 235 urtwn_attach, urtwn_detach, urtwn_activate); 236 237 static int urtwn_open_pipes(struct urtwn_softc *); 238 static void urtwn_close_pipes(struct urtwn_softc *); 239 static int urtwn_alloc_rx_list(struct urtwn_softc *); 240 static void urtwn_free_rx_list(struct urtwn_softc *); 241 static int urtwn_alloc_tx_list(struct urtwn_softc *); 242 static void urtwn_free_tx_list(struct urtwn_softc *); 243 static void urtwn_task(void *); 244 static void urtwn_do_async(struct urtwn_softc *, 245 void (*)(struct urtwn_softc *, void *), void *, int); 246 static void urtwn_wait_async(struct urtwn_softc *); 247 static int urtwn_write_region_1(struct urtwn_softc *, uint16_t, uint8_t *, 248 int); 249 static void urtwn_write_1(struct urtwn_softc *, uint16_t, uint8_t); 250 static void urtwn_write_2(struct urtwn_softc *, uint16_t, uint16_t); 251 static void urtwn_write_4(struct urtwn_softc *, uint16_t, uint32_t); 252 static int urtwn_write_region(struct urtwn_softc *, uint16_t, uint8_t *, 253 int); 254 static int urtwn_read_region_1(struct urtwn_softc *, uint16_t, uint8_t *, 255 int); 256 static uint8_t urtwn_read_1(struct urtwn_softc *, uint16_t); 257 static uint16_t urtwn_read_2(struct urtwn_softc *, uint16_t); 258 static uint32_t urtwn_read_4(struct urtwn_softc *, uint16_t); 259 static int urtwn_fw_cmd(struct urtwn_softc *, uint8_t, const void *, int); 260 static void urtwn_r92c_rf_write(struct urtwn_softc *, int, uint8_t, 261 uint32_t); 262 static void urtwn_r88e_rf_write(struct urtwn_softc *, int, uint8_t, 263 uint32_t); 264 static void urtwn_r92e_rf_write(struct urtwn_softc *, int, uint8_t, 265 uint32_t); 266 static uint32_t urtwn_rf_read(struct urtwn_softc *, int, uint8_t); 267 static int urtwn_llt_write(struct urtwn_softc *, uint32_t, uint32_t); 268 static uint8_t urtwn_efuse_read_1(struct urtwn_softc *, uint16_t); 269 static void urtwn_efuse_read(struct urtwn_softc *); 270 static void urtwn_efuse_switch_power(struct urtwn_softc *); 271 static int urtwn_read_chipid(struct urtwn_softc *); 272 #ifdef URTWN_DEBUG 273 static void urtwn_dump_rom(struct urtwn_softc *, struct r92c_rom *); 274 #endif 275 static void urtwn_read_rom(struct urtwn_softc *); 276 static void urtwn_r88e_read_rom(struct urtwn_softc *); 277 static int urtwn_media_change(struct ifnet *); 278 static int urtwn_ra_init(struct urtwn_softc *); 279 static int urtwn_get_nettype(struct urtwn_softc *); 280 static void urtwn_set_nettype0_msr(struct urtwn_softc *, uint8_t); 281 static void urtwn_tsf_sync_enable(struct urtwn_softc *); 282 static void urtwn_set_led(struct urtwn_softc *, int, int); 283 static void urtwn_calib_to(void *); 284 static void urtwn_calib_to_cb(struct urtwn_softc *, void *); 285 static void urtwn_next_scan(void *); 286 static int urtwn_newstate(struct ieee80211com *, enum ieee80211_state, 287 int); 288 static void urtwn_newstate_cb(struct urtwn_softc *, void *); 289 static int urtwn_wme_update(struct ieee80211com *); 290 static void urtwn_wme_update_cb(struct urtwn_softc *, void *); 291 static void urtwn_update_avgrssi(struct urtwn_softc *, int, int8_t); 292 static int8_t urtwn_get_rssi(struct urtwn_softc *, int, void *); 293 static int8_t urtwn_r88e_get_rssi(struct urtwn_softc *, int, void *); 294 static void urtwn_rx_frame(struct urtwn_softc *, uint8_t *, int); 295 static void urtwn_rxeof(struct usbd_xfer *, void *, usbd_status); 296 static void urtwn_txeof(struct usbd_xfer *, void *, usbd_status); 297 static int urtwn_tx(struct urtwn_softc *, struct mbuf *, 298 struct ieee80211_node *, struct urtwn_tx_data *); 299 static struct urtwn_tx_data * 300 urtwn_get_tx_data(struct urtwn_softc *, size_t); 301 static void urtwn_start(struct ifnet *); 302 static void urtwn_watchdog(struct ifnet *); 303 static int urtwn_ioctl(struct ifnet *, u_long, void *); 304 static int urtwn_r92c_power_on(struct urtwn_softc *); 305 static int urtwn_r92e_power_on(struct urtwn_softc *); 306 static int urtwn_r88e_power_on(struct urtwn_softc *); 307 static int urtwn_llt_init(struct urtwn_softc *); 308 static void urtwn_fw_reset(struct urtwn_softc *); 309 static void urtwn_r88e_fw_reset(struct urtwn_softc *); 310 static int urtwn_fw_loadpage(struct urtwn_softc *, int, uint8_t *, int); 311 static int urtwn_load_firmware(struct urtwn_softc *); 312 static int urtwn_r92c_dma_init(struct urtwn_softc *); 313 static int urtwn_r88e_dma_init(struct urtwn_softc *); 314 static void urtwn_mac_init(struct urtwn_softc *); 315 static void urtwn_bb_init(struct urtwn_softc *); 316 static void urtwn_rf_init(struct urtwn_softc *); 317 static void urtwn_cam_init(struct urtwn_softc *); 318 static void urtwn_pa_bias_init(struct urtwn_softc *); 319 static void urtwn_rxfilter_init(struct urtwn_softc *); 320 static void urtwn_edca_init(struct urtwn_softc *); 321 static void urtwn_write_txpower(struct urtwn_softc *, int, uint16_t[]); 322 static void urtwn_get_txpower(struct urtwn_softc *, size_t, u_int, u_int, 323 uint16_t[]); 324 static void urtwn_r88e_get_txpower(struct urtwn_softc *, size_t, u_int, 325 u_int, uint16_t[]); 326 static void urtwn_set_txpower(struct urtwn_softc *, u_int, u_int); 327 static void urtwn_set_chan(struct urtwn_softc *, struct ieee80211_channel *, 328 u_int); 329 static void urtwn_iq_calib(struct urtwn_softc *, bool); 330 static void urtwn_lc_calib(struct urtwn_softc *); 331 static void urtwn_temp_calib(struct urtwn_softc *); 332 static int urtwn_init(struct ifnet *); 333 static void urtwn_stop(struct ifnet *, int); 334 static int urtwn_reset(struct ifnet *); 335 static void urtwn_chip_stop(struct urtwn_softc *); 336 static void urtwn_newassoc(struct ieee80211_node *, int); 337 static void urtwn_delay_ms(struct urtwn_softc *, int ms); 338 339 /* Aliases. */ 340 #define urtwn_bb_write urtwn_write_4 341 #define urtwn_bb_read urtwn_read_4 342 343 #define urtwn_lookup(d,v,p) ((const struct urtwn_dev *)usb_lookup(d,v,p)) 344 345 static const uint16_t addaReg[] = { 346 R92C_FPGA0_XCD_SWITCHCTL, R92C_BLUETOOTH, R92C_RX_WAIT_CCA, 347 R92C_TX_CCK_RFON, R92C_TX_CCK_BBON, R92C_TX_OFDM_RFON, 348 R92C_TX_OFDM_BBON, R92C_TX_TO_RX, R92C_TX_TO_TX, R92C_RX_CCK, 349 R92C_RX_OFDM, R92C_RX_WAIT_RIFS, R92C_RX_TO_RX, 350 R92C_STANDBY, R92C_SLEEP, R92C_PMPD_ANAEN 351 }; 352 353 static int 354 urtwn_match(device_t parent, cfdata_t match, void *aux) 355 { 356 struct usb_attach_arg *uaa = aux; 357 358 return urtwn_lookup(urtwn_devs, uaa->uaa_vendor, uaa->uaa_product) != 359 NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 360 } 361 362 static void 363 urtwn_attach(device_t parent, device_t self, void *aux) 364 { 365 struct urtwn_softc *sc = device_private(self); 366 struct ieee80211com *ic = &sc->sc_ic; 367 struct ifnet *ifp = &sc->sc_if; 368 struct usb_attach_arg *uaa = aux; 369 char *devinfop; 370 const struct urtwn_dev *dev; 371 usb_device_request_t req; 372 size_t i; 373 int error; 374 375 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 376 377 sc->sc_dev = self; 378 sc->sc_udev = uaa->uaa_device; 379 380 sc->chip = 0; 381 dev = urtwn_lookup(urtwn_devs, uaa->uaa_vendor, uaa->uaa_product); 382 if (dev != NULL && ISSET(dev->flags, FLAG_RTL8188E)) 383 SET(sc->chip, URTWN_CHIP_88E); 384 if (dev != NULL && ISSET(dev->flags, FLAG_RTL8192E)) 385 SET(sc->chip, URTWN_CHIP_92EU); 386 387 aprint_naive("\n"); 388 aprint_normal("\n"); 389 390 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 391 aprint_normal_dev(self, "%s\n", devinfop); 392 usbd_devinfo_free(devinfop); 393 394 req.bmRequestType = UT_WRITE_DEVICE; 395 req.bRequest = UR_SET_FEATURE; 396 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 397 USETW(req.wIndex, UHF_PORT_SUSPEND); 398 USETW(req.wLength, 0); 399 400 (void) usbd_do_request(sc->sc_udev, &req, 0); 401 402 cv_init(&sc->sc_task_cv, "urtwntsk"); 403 mutex_init(&sc->sc_task_mtx, MUTEX_DEFAULT, IPL_NET); 404 mutex_init(&sc->sc_tx_mtx, MUTEX_DEFAULT, IPL_NONE); 405 mutex_init(&sc->sc_rx_mtx, MUTEX_DEFAULT, IPL_NONE); 406 mutex_init(&sc->sc_fwcmd_mtx, MUTEX_DEFAULT, IPL_NONE); 407 mutex_init(&sc->sc_write_mtx, MUTEX_DEFAULT, IPL_NONE); 408 409 usb_init_task(&sc->sc_task, urtwn_task, sc, 0); 410 411 callout_init(&sc->sc_scan_to, 0); 412 callout_setfunc(&sc->sc_scan_to, urtwn_next_scan, sc); 413 callout_init(&sc->sc_calib_to, 0); 414 callout_setfunc(&sc->sc_calib_to, urtwn_calib_to, sc); 415 416 rnd_attach_source(&sc->rnd_source, device_xname(sc->sc_dev), 417 RND_TYPE_NET, RND_FLAG_DEFAULT); 418 419 error = usbd_set_config_no(sc->sc_udev, 1, 0); 420 if (error != 0) { 421 aprint_error_dev(self, "failed to set configuration" 422 ", err=%s\n", usbd_errstr(error)); 423 goto fail; 424 } 425 426 /* Get the first interface handle. */ 427 error = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface); 428 if (error != 0) { 429 aprint_error_dev(self, "could not get interface handle\n"); 430 goto fail; 431 } 432 433 error = urtwn_read_chipid(sc); 434 if (error != 0) { 435 aprint_error_dev(self, "unsupported test chip\n"); 436 goto fail; 437 } 438 439 /* Determine number of Tx/Rx chains. */ 440 if (sc->chip & URTWN_CHIP_92C) { 441 sc->ntxchains = (sc->chip & URTWN_CHIP_92C_1T2R) ? 1 : 2; 442 sc->nrxchains = 2; 443 } else if (sc->chip & URTWN_CHIP_92EU) { 444 sc->ntxchains = 2; 445 sc->nrxchains = 2; 446 } else { 447 sc->ntxchains = 1; 448 sc->nrxchains = 1; 449 } 450 451 if (ISSET(sc->chip, URTWN_CHIP_88E) || 452 ISSET(sc->chip, URTWN_CHIP_92EU)) 453 urtwn_r88e_read_rom(sc); 454 else 455 urtwn_read_rom(sc); 456 457 aprint_normal_dev(self, "MAC/BB RTL%s, RF 6052 %zdT%zdR, address %s\n", 458 (sc->chip & URTWN_CHIP_92EU) ? "8192EU" : 459 (sc->chip & URTWN_CHIP_92C) ? "8192CU" : 460 (sc->chip & URTWN_CHIP_88E) ? "8188EU" : 461 (sc->board_type == R92C_BOARD_TYPE_HIGHPA) ? "8188RU" : 462 (sc->board_type == R92C_BOARD_TYPE_MINICARD) ? "8188CE-VAU" : 463 "8188CUS", sc->ntxchains, sc->nrxchains, 464 ether_sprintf(ic->ic_myaddr)); 465 466 error = urtwn_open_pipes(sc); 467 if (error != 0) { 468 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 469 goto fail; 470 } 471 aprint_normal_dev(self, "%d rx pipe%s, %d tx pipe%s\n", 472 sc->rx_npipe, sc->rx_npipe > 1 ? "s" : "", 473 sc->tx_npipe, sc->tx_npipe > 1 ? "s" : ""); 474 475 /* 476 * Setup the 802.11 device. 477 */ 478 ic->ic_ifp = ifp; 479 ic->ic_phytype = IEEE80211_T_OFDM; /* Not only, but not used. */ 480 ic->ic_opmode = IEEE80211_M_STA; /* Default to BSS mode. */ 481 ic->ic_state = IEEE80211_S_INIT; 482 483 /* Set device capabilities. */ 484 ic->ic_caps = 485 IEEE80211_C_MONITOR | /* Monitor mode supported. */ 486 IEEE80211_C_IBSS | /* IBSS mode supported */ 487 IEEE80211_C_HOSTAP | /* HostAp mode supported */ 488 IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */ 489 IEEE80211_C_SHSLOT | /* Short slot time supported. */ 490 IEEE80211_C_WME | /* 802.11e */ 491 IEEE80211_C_WPA; /* 802.11i */ 492 493 /* Set supported .11b and .11g rates. */ 494 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; 495 ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; 496 497 /* Set supported .11b and .11g channels (1 through 14). */ 498 for (i = 1; i <= 14; i++) { 499 ic->ic_channels[i].ic_freq = 500 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 501 ic->ic_channels[i].ic_flags = 502 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 503 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 504 } 505 506 ifp->if_softc = sc; 507 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 508 ifp->if_init = urtwn_init; 509 ifp->if_ioctl = urtwn_ioctl; 510 ifp->if_start = urtwn_start; 511 ifp->if_watchdog = urtwn_watchdog; 512 IFQ_SET_READY(&ifp->if_snd); 513 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 514 515 if_initialize(ifp); 516 ieee80211_ifattach(ic); 517 518 /* override default methods */ 519 ic->ic_newassoc = urtwn_newassoc; 520 ic->ic_reset = urtwn_reset; 521 ic->ic_wme.wme_update = urtwn_wme_update; 522 523 /* Override state transition machine. */ 524 sc->sc_newstate = ic->ic_newstate; 525 ic->ic_newstate = urtwn_newstate; 526 527 /* XXX media locking needs revisiting */ 528 mutex_init(&sc->sc_media_mtx, MUTEX_DEFAULT, IPL_SOFTUSB); 529 ieee80211_media_init_with_lock(ic, 530 urtwn_media_change, ieee80211_media_status, &sc->sc_media_mtx); 531 532 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 533 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 534 &sc->sc_drvbpf); 535 536 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); 537 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 538 sc->sc_rxtap.wr_ihdr.it_present = htole32(URTWN_RX_RADIOTAP_PRESENT); 539 540 sc->sc_txtap_len = sizeof(sc->sc_txtapu); 541 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 542 sc->sc_txtap.wt_ihdr.it_present = htole32(URTWN_TX_RADIOTAP_PRESENT); 543 544 ifp->if_percpuq = if_percpuq_create(ifp); 545 if_register(ifp); 546 547 ieee80211_announce(ic); 548 549 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 550 551 if (!pmf_device_register(self, NULL, NULL)) 552 aprint_error_dev(self, "couldn't establish power handler\n"); 553 554 SET(sc->sc_flags, URTWN_FLAG_ATTACHED); 555 return; 556 557 fail: 558 sc->sc_dying = 1; 559 aprint_error_dev(self, "attach failed\n"); 560 } 561 562 static int 563 urtwn_detach(device_t self, int flags) 564 { 565 struct urtwn_softc *sc = device_private(self); 566 struct ifnet *ifp = &sc->sc_if; 567 int s; 568 569 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 570 571 pmf_device_deregister(self); 572 573 s = splusb(); 574 575 sc->sc_dying = 1; 576 577 callout_halt(&sc->sc_scan_to, NULL); 578 callout_halt(&sc->sc_calib_to, NULL); 579 580 if (ISSET(sc->sc_flags, URTWN_FLAG_ATTACHED)) { 581 urtwn_stop(ifp, 0); 582 usb_rem_task_wait(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER, 583 NULL); 584 585 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 586 bpf_detach(ifp); 587 ieee80211_ifdetach(&sc->sc_ic); 588 if_detach(ifp); 589 590 mutex_destroy(&sc->sc_media_mtx); 591 592 /* Close Tx/Rx pipes. Abort done by urtwn_stop. */ 593 urtwn_close_pipes(sc); 594 } 595 596 splx(s); 597 598 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 599 600 rnd_detach_source(&sc->rnd_source); 601 602 callout_destroy(&sc->sc_scan_to); 603 callout_destroy(&sc->sc_calib_to); 604 605 cv_destroy(&sc->sc_task_cv); 606 mutex_destroy(&sc->sc_write_mtx); 607 mutex_destroy(&sc->sc_fwcmd_mtx); 608 mutex_destroy(&sc->sc_tx_mtx); 609 mutex_destroy(&sc->sc_rx_mtx); 610 mutex_destroy(&sc->sc_task_mtx); 611 612 return 0; 613 } 614 615 static int 616 urtwn_activate(device_t self, enum devact act) 617 { 618 struct urtwn_softc *sc = device_private(self); 619 620 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 621 622 switch (act) { 623 case DVACT_DEACTIVATE: 624 if_deactivate(sc->sc_ic.ic_ifp); 625 return 0; 626 default: 627 return EOPNOTSUPP; 628 } 629 } 630 631 static int 632 urtwn_open_pipes(struct urtwn_softc *sc) 633 { 634 /* Bulk-out endpoints addresses (from highest to lowest prio). */ 635 static uint8_t epaddr[R92C_MAX_EPOUT]; 636 static uint8_t rxepaddr[R92C_MAX_EPIN]; 637 usb_interface_descriptor_t *id; 638 usb_endpoint_descriptor_t *ed; 639 size_t i, ntx = 0, nrx = 0; 640 int error; 641 642 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 643 644 /* Determine the number of bulk-out pipes. */ 645 id = usbd_get_interface_descriptor(sc->sc_iface); 646 for (i = 0; i < id->bNumEndpoints; i++) { 647 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 648 if (ed == NULL || UE_GET_XFERTYPE(ed->bmAttributes) != UE_BULK) { 649 continue; 650 } 651 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) { 652 if (ntx < sizeof(epaddr)) 653 epaddr[ntx] = ed->bEndpointAddress; 654 ntx++; 655 } 656 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) { 657 if (nrx < sizeof(rxepaddr)) 658 rxepaddr[nrx] = ed->bEndpointAddress; 659 nrx++; 660 } 661 } 662 if (nrx == 0 || nrx > R92C_MAX_EPIN) { 663 aprint_error_dev(sc->sc_dev, 664 "%zd: invalid number of Rx bulk pipes\n", nrx); 665 return EIO; 666 } 667 if (ntx == 0 || ntx > R92C_MAX_EPOUT) { 668 aprint_error_dev(sc->sc_dev, 669 "%zd: invalid number of Tx bulk pipes\n", ntx); 670 return EIO; 671 } 672 DPRINTFN(DBG_INIT, "found %jd/%jd bulk-in/out pipes", 673 nrx, ntx, 0, 0); 674 sc->rx_npipe = nrx; 675 sc->tx_npipe = ntx; 676 677 /* Open bulk-in pipe at address 0x81. */ 678 for (i = 0; i < nrx; i++) { 679 error = usbd_open_pipe(sc->sc_iface, rxepaddr[i], 680 USBD_EXCLUSIVE_USE, &sc->rx_pipe[i]); 681 if (error != 0) { 682 aprint_error_dev(sc->sc_dev, 683 "could not open Rx bulk pipe 0x%02x: %d\n", 684 rxepaddr[i], error); 685 goto fail; 686 } 687 } 688 689 /* Open bulk-out pipes (up to 3). */ 690 for (i = 0; i < ntx; i++) { 691 error = usbd_open_pipe(sc->sc_iface, epaddr[i], 692 USBD_EXCLUSIVE_USE, &sc->tx_pipe[i]); 693 if (error != 0) { 694 aprint_error_dev(sc->sc_dev, 695 "could not open Tx bulk pipe 0x%02x: %d\n", 696 epaddr[i], error); 697 goto fail; 698 } 699 } 700 701 /* Map 802.11 access categories to USB pipes. */ 702 sc->ac2idx[WME_AC_BK] = 703 sc->ac2idx[WME_AC_BE] = (ntx == 3) ? 2 : ((ntx == 2) ? 1 : 0); 704 sc->ac2idx[WME_AC_VI] = (ntx == 3) ? 1 : 0; 705 sc->ac2idx[WME_AC_VO] = 0; /* Always use highest prio. */ 706 707 fail: 708 if (error != 0) 709 urtwn_close_pipes(sc); 710 return error; 711 } 712 713 static void 714 urtwn_close_pipes(struct urtwn_softc *sc) 715 { 716 struct usbd_pipe *pipe; 717 size_t i; 718 719 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 720 721 /* Close Rx pipes. */ 722 CTASSERT(sizeof(pipe) == sizeof(void *)); 723 for (i = 0; i < sc->rx_npipe; i++) { 724 pipe = atomic_swap_ptr(&sc->rx_pipe[i], NULL); 725 if (pipe != NULL) { 726 usbd_close_pipe(pipe); 727 } 728 } 729 730 /* Close Tx pipes. */ 731 for (i = 0; i < sc->tx_npipe; i++) { 732 pipe = atomic_swap_ptr(&sc->tx_pipe[i], NULL); 733 if (pipe != NULL) { 734 usbd_close_pipe(pipe); 735 } 736 } 737 } 738 739 static int __noinline 740 urtwn_alloc_rx_list(struct urtwn_softc *sc) 741 { 742 struct urtwn_rx_data *data; 743 size_t i; 744 int error = 0; 745 746 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 747 748 for (size_t j = 0; j < sc->rx_npipe; j++) { 749 TAILQ_INIT(&sc->rx_free_list[j]); 750 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 751 data = &sc->rx_data[j][i]; 752 753 data->sc = sc; /* Backpointer for callbacks. */ 754 755 error = usbd_create_xfer(sc->rx_pipe[j], URTWN_RXBUFSZ, 756 0, 0, &data->xfer); 757 if (error) { 758 aprint_error_dev(sc->sc_dev, 759 "could not allocate xfer\n"); 760 break; 761 } 762 763 data->buf = usbd_get_buffer(data->xfer); 764 TAILQ_INSERT_TAIL(&sc->rx_free_list[j], data, next); 765 } 766 } 767 if (error != 0) 768 urtwn_free_rx_list(sc); 769 return error; 770 } 771 772 static void 773 urtwn_free_rx_list(struct urtwn_softc *sc) 774 { 775 struct usbd_xfer *xfer; 776 size_t i; 777 778 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 779 780 /* NB: Caller must abort pipe first. */ 781 for (size_t j = 0; j < sc->rx_npipe; j++) { 782 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 783 CTASSERT(sizeof(xfer) == sizeof(void *)); 784 xfer = atomic_swap_ptr(&sc->rx_data[j][i].xfer, NULL); 785 if (xfer != NULL) 786 usbd_destroy_xfer(xfer); 787 } 788 } 789 } 790 791 static int __noinline 792 urtwn_alloc_tx_list(struct urtwn_softc *sc) 793 { 794 struct urtwn_tx_data *data; 795 size_t i; 796 int error = 0; 797 798 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 799 800 mutex_enter(&sc->sc_tx_mtx); 801 for (size_t j = 0; j < sc->tx_npipe; j++) { 802 TAILQ_INIT(&sc->tx_free_list[j]); 803 for (i = 0; i < URTWN_TX_LIST_COUNT; i++) { 804 data = &sc->tx_data[j][i]; 805 806 data->sc = sc; /* Backpointer for callbacks. */ 807 data->pidx = j; 808 809 error = usbd_create_xfer(sc->tx_pipe[j], 810 URTWN_TXBUFSZ, USBD_FORCE_SHORT_XFER, 0, 811 &data->xfer); 812 if (error) { 813 aprint_error_dev(sc->sc_dev, 814 "could not allocate xfer\n"); 815 goto fail; 816 } 817 818 data->buf = usbd_get_buffer(data->xfer); 819 820 /* Append this Tx buffer to our free list. */ 821 TAILQ_INSERT_TAIL(&sc->tx_free_list[j], data, next); 822 } 823 } 824 mutex_exit(&sc->sc_tx_mtx); 825 return 0; 826 827 fail: 828 urtwn_free_tx_list(sc); 829 mutex_exit(&sc->sc_tx_mtx); 830 return error; 831 } 832 833 static void 834 urtwn_free_tx_list(struct urtwn_softc *sc) 835 { 836 struct usbd_xfer *xfer; 837 size_t i; 838 839 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 840 841 /* NB: Caller must abort pipe first. */ 842 for (size_t j = 0; j < sc->tx_npipe; j++) { 843 for (i = 0; i < URTWN_TX_LIST_COUNT; i++) { 844 CTASSERT(sizeof(xfer) == sizeof(void *)); 845 xfer = atomic_swap_ptr(&sc->tx_data[j][i].xfer, NULL); 846 if (xfer != NULL) 847 usbd_destroy_xfer(xfer); 848 } 849 } 850 } 851 852 static int 853 urtwn_tx_beacon(struct urtwn_softc *sc, struct mbuf *m, 854 struct ieee80211_node *ni) 855 { 856 struct urtwn_tx_data *data = 857 urtwn_get_tx_data(sc, sc->ac2idx[WME_AC_VO]); 858 859 if (data == NULL) 860 return ENOBUFS; 861 862 return urtwn_tx(sc, m, ni, data); 863 } 864 865 static void 866 urtwn_task(void *arg) 867 { 868 struct urtwn_softc *sc = arg; 869 struct ieee80211com *ic = &sc->sc_ic; 870 struct urtwn_host_cmd_ring *ring = &sc->cmdq; 871 struct urtwn_host_cmd *cmd; 872 int s; 873 874 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 875 if (ic->ic_state == IEEE80211_S_RUN && 876 (ic->ic_opmode == IEEE80211_M_HOSTAP || 877 ic->ic_opmode == IEEE80211_M_IBSS)) { 878 879 struct mbuf *m = ieee80211_beacon_alloc(ic, ic->ic_bss, 880 &sc->sc_bo); 881 if (m == NULL) { 882 aprint_error_dev(sc->sc_dev, 883 "could not allocate beacon"); 884 } 885 886 if (urtwn_tx_beacon(sc, m, ic->ic_bss) != 0) { 887 aprint_error_dev(sc->sc_dev, "could not send beacon\n"); 888 } 889 890 /* beacon is no longer needed */ 891 m_freem(m); 892 } 893 894 /* Process host commands. */ 895 s = splusb(); 896 mutex_spin_enter(&sc->sc_task_mtx); 897 while (ring->next != ring->cur) { 898 cmd = &ring->cmd[ring->next]; 899 mutex_spin_exit(&sc->sc_task_mtx); 900 splx(s); 901 /* Invoke callback with kernel lock held. */ 902 cmd->cb(sc, cmd->data); 903 s = splusb(); 904 mutex_spin_enter(&sc->sc_task_mtx); 905 ring->queued--; 906 ring->next = (ring->next + 1) % URTWN_HOST_CMD_RING_COUNT; 907 } 908 cv_broadcast(&sc->sc_task_cv); 909 mutex_spin_exit(&sc->sc_task_mtx); 910 splx(s); 911 } 912 913 static void 914 urtwn_do_async(struct urtwn_softc *sc, void (*cb)(struct urtwn_softc *, void *), 915 void *arg, int len) 916 { 917 struct urtwn_host_cmd_ring *ring = &sc->cmdq; 918 struct urtwn_host_cmd *cmd; 919 int s; 920 921 URTWNHIST_FUNC(); 922 URTWNHIST_CALLARGS("cb=%#jx, arg=%#jx, len=%jd", 923 (uintptr_t)cb, (uintptr_t)arg, len, 0); 924 925 s = splusb(); 926 mutex_spin_enter(&sc->sc_task_mtx); 927 cmd = &ring->cmd[ring->cur]; 928 cmd->cb = cb; 929 KASSERT(len <= sizeof(cmd->data)); 930 memcpy(cmd->data, arg, len); 931 ring->cur = (ring->cur + 1) % URTWN_HOST_CMD_RING_COUNT; 932 933 /* If there is no pending command already, schedule a task. */ 934 if (!sc->sc_dying && ++ring->queued == 1) { 935 mutex_spin_exit(&sc->sc_task_mtx); 936 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 937 } else 938 mutex_spin_exit(&sc->sc_task_mtx); 939 splx(s); 940 } 941 942 static void 943 urtwn_wait_async(struct urtwn_softc *sc) 944 { 945 946 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 947 948 /* Wait for all queued asynchronous commands to complete. */ 949 mutex_spin_enter(&sc->sc_task_mtx); 950 while (sc->cmdq.queued > 0) 951 cv_wait(&sc->sc_task_cv, &sc->sc_task_mtx); 952 mutex_spin_exit(&sc->sc_task_mtx); 953 } 954 955 static int 956 urtwn_write_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 957 int len) 958 { 959 usb_device_request_t req; 960 usbd_status error; 961 962 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 963 KASSERT(mutex_owned(&sc->sc_write_mtx)); 964 965 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 966 req.bRequest = R92C_REQ_REGS; 967 USETW(req.wValue, addr); 968 USETW(req.wIndex, 0); 969 USETW(req.wLength, len); 970 error = usbd_do_request(sc->sc_udev, &req, buf); 971 if (error != USBD_NORMAL_COMPLETION) { 972 DPRINTFN(DBG_REG, "error=%jd: addr=%#jx, len=%jd", 973 error, addr, len, 0); 974 } 975 return error; 976 } 977 978 static void 979 urtwn_write_1(struct urtwn_softc *sc, uint16_t addr, uint8_t val) 980 { 981 982 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 983 DPRINTFN(DBG_REG, "addr=%#jx, val=%#jx", addr, val, 0, 0); 984 985 urtwn_write_region_1(sc, addr, &val, 1); 986 } 987 988 static void 989 urtwn_write_2(struct urtwn_softc *sc, uint16_t addr, uint16_t val) 990 { 991 uint8_t buf[2]; 992 993 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 994 DPRINTFN(DBG_REG, "addr=%#jx, val=%#jx", addr, val, 0, 0); 995 996 buf[0] = (uint8_t)val; 997 buf[1] = (uint8_t)(val >> 8); 998 urtwn_write_region_1(sc, addr, buf, 2); 999 } 1000 1001 static void 1002 urtwn_write_4(struct urtwn_softc *sc, uint16_t addr, uint32_t val) 1003 { 1004 uint8_t buf[4]; 1005 1006 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1007 DPRINTFN(DBG_REG, "addr=%#jx, val=%#jx", addr, val, 0, 0); 1008 1009 buf[0] = (uint8_t)val; 1010 buf[1] = (uint8_t)(val >> 8); 1011 buf[2] = (uint8_t)(val >> 16); 1012 buf[3] = (uint8_t)(val >> 24); 1013 urtwn_write_region_1(sc, addr, buf, 4); 1014 } 1015 1016 static int 1017 urtwn_write_region(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, int len) 1018 { 1019 1020 URTWNHIST_FUNC(); 1021 URTWNHIST_CALLARGS("addr=%#jx, len=%#jx", addr, len, 0, 0); 1022 1023 return urtwn_write_region_1(sc, addr, buf, len); 1024 } 1025 1026 static int 1027 urtwn_read_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 1028 int len) 1029 { 1030 usb_device_request_t req; 1031 usbd_status error; 1032 1033 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1034 1035 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1036 req.bRequest = R92C_REQ_REGS; 1037 USETW(req.wValue, addr); 1038 USETW(req.wIndex, 0); 1039 USETW(req.wLength, len); 1040 error = usbd_do_request(sc->sc_udev, &req, buf); 1041 if (error != USBD_NORMAL_COMPLETION) { 1042 DPRINTFN(DBG_REG, "error=%jd: addr=%#jx, len=%jd", 1043 error, addr, len, 0); 1044 } 1045 return error; 1046 } 1047 1048 static uint8_t 1049 urtwn_read_1(struct urtwn_softc *sc, uint16_t addr) 1050 { 1051 uint8_t val; 1052 1053 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1054 1055 if (urtwn_read_region_1(sc, addr, &val, 1) != USBD_NORMAL_COMPLETION) 1056 return 0xff; 1057 1058 DPRINTFN(DBG_REG, "addr=%#jx, val=%#jx", addr, val, 0, 0); 1059 return val; 1060 } 1061 1062 static uint16_t 1063 urtwn_read_2(struct urtwn_softc *sc, uint16_t addr) 1064 { 1065 uint8_t buf[2]; 1066 uint16_t val; 1067 1068 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1069 1070 if (urtwn_read_region_1(sc, addr, buf, 2) != USBD_NORMAL_COMPLETION) 1071 return 0xffff; 1072 1073 val = LE_READ_2(&buf[0]); 1074 DPRINTFN(DBG_REG, "addr=%#jx, val=%#jx", addr, val, 0, 0); 1075 return val; 1076 } 1077 1078 static uint32_t 1079 urtwn_read_4(struct urtwn_softc *sc, uint16_t addr) 1080 { 1081 uint8_t buf[4]; 1082 uint32_t val; 1083 1084 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1085 1086 if (urtwn_read_region_1(sc, addr, buf, 4) != USBD_NORMAL_COMPLETION) 1087 return 0xffffffff; 1088 1089 val = LE_READ_4(&buf[0]); 1090 DPRINTFN(DBG_REG, "addr=%#jx, val=%#jx", addr, val, 0, 0); 1091 return val; 1092 } 1093 1094 static int 1095 urtwn_fw_cmd(struct urtwn_softc *sc, uint8_t id, const void *buf, int len) 1096 { 1097 struct r92c_fw_cmd cmd; 1098 uint8_t *cp; 1099 int fwcur; 1100 int ntries; 1101 1102 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1103 DPRINTFN(DBG_REG, "id=%jd, buf=%#jx, len=%jd", id, (uintptr_t)buf, len, 0); 1104 1105 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1106 1107 mutex_enter(&sc->sc_fwcmd_mtx); 1108 fwcur = sc->fwcur; 1109 sc->fwcur = (sc->fwcur + 1) % R92C_H2C_NBOX; 1110 1111 /* Wait for current FW box to be empty. */ 1112 for (ntries = 0; ntries < 100; ntries++) { 1113 if (!(urtwn_read_1(sc, R92C_HMETFR) & (1 << fwcur))) 1114 break; 1115 urtwn_delay_ms(sc, 2); 1116 } 1117 if (ntries == 100) { 1118 aprint_error_dev(sc->sc_dev, 1119 "could not send firmware command %d\n", id); 1120 mutex_exit(&sc->sc_fwcmd_mtx); 1121 return ETIMEDOUT; 1122 } 1123 1124 memset(&cmd, 0, sizeof(cmd)); 1125 KASSERT(len <= sizeof(cmd.msg)); 1126 memcpy(cmd.msg, buf, len); 1127 1128 /* Write the first word last since that will trigger the FW. */ 1129 cp = (uint8_t *)&cmd; 1130 cmd.id = id; 1131 if (len >= 4) { 1132 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) { 1133 cmd.id |= R92C_CMD_FLAG_EXT; 1134 urtwn_write_region(sc, R92C_HMEBOX_EXT(fwcur), 1135 &cp[1], 2); 1136 urtwn_write_4(sc, R92C_HMEBOX(fwcur), 1137 cp[0] + (cp[3] << 8) + (cp[4] << 16) + 1138 ((uint32_t)cp[5] << 24)); 1139 } else { 1140 urtwn_write_region(sc, R92E_HMEBOX_EXT(fwcur), 1141 &cp[4], 2); 1142 urtwn_write_4(sc, R92C_HMEBOX(fwcur), 1143 cp[0] + (cp[1] << 8) + (cp[2] << 16) + 1144 ((uint32_t)cp[3] << 24)); 1145 } 1146 } else { 1147 urtwn_write_region(sc, R92C_HMEBOX(fwcur), cp, len); 1148 } 1149 mutex_exit(&sc->sc_fwcmd_mtx); 1150 1151 return 0; 1152 } 1153 1154 static __inline void 1155 urtwn_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, uint32_t val) 1156 { 1157 1158 sc->sc_rf_write(sc, chain, addr, val); 1159 } 1160 1161 static void 1162 urtwn_r92c_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1163 uint32_t val) 1164 { 1165 1166 urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1167 SM(R92C_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val)); 1168 } 1169 1170 static void 1171 urtwn_r88e_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1172 uint32_t val) 1173 { 1174 1175 urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1176 SM(R88E_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val)); 1177 } 1178 1179 static void 1180 urtwn_r92e_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1181 uint32_t val) 1182 { 1183 1184 urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1185 SM(R88E_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val)); 1186 } 1187 1188 static uint32_t 1189 urtwn_rf_read(struct urtwn_softc *sc, int chain, uint8_t addr) 1190 { 1191 uint32_t reg[R92C_MAX_CHAINS], val; 1192 1193 reg[0] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)); 1194 if (chain != 0) { 1195 reg[chain] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(chain)); 1196 } 1197 1198 urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1199 reg[0] & ~R92C_HSSI_PARAM2_READ_EDGE); 1200 urtwn_delay_ms(sc, 1); 1201 1202 urtwn_bb_write(sc, R92C_HSSI_PARAM2(chain), 1203 RW(reg[chain], R92C_HSSI_PARAM2_READ_ADDR, addr) | 1204 R92C_HSSI_PARAM2_READ_EDGE); 1205 urtwn_delay_ms(sc, 1); 1206 1207 urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1208 reg[0] | R92C_HSSI_PARAM2_READ_EDGE); 1209 urtwn_delay_ms(sc, 1); 1210 1211 if (urtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI) { 1212 val = urtwn_bb_read(sc, R92C_HSPI_READBACK(chain)); 1213 } else { 1214 val = urtwn_bb_read(sc, R92C_LSSI_READBACK(chain)); 1215 } 1216 return MS(val, R92C_LSSI_READBACK_DATA); 1217 } 1218 1219 static int 1220 urtwn_llt_write(struct urtwn_softc *sc, uint32_t addr, uint32_t data) 1221 { 1222 int ntries; 1223 1224 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1225 1226 urtwn_write_4(sc, R92C_LLT_INIT, 1227 SM(R92C_LLT_INIT_OP, R92C_LLT_INIT_OP_WRITE) | 1228 SM(R92C_LLT_INIT_ADDR, addr) | 1229 SM(R92C_LLT_INIT_DATA, data)); 1230 /* Wait for write operation to complete. */ 1231 for (ntries = 0; ntries < 20; ntries++) { 1232 if (MS(urtwn_read_4(sc, R92C_LLT_INIT), R92C_LLT_INIT_OP) == 1233 R92C_LLT_INIT_OP_NO_ACTIVE) { 1234 /* Done */ 1235 return 0; 1236 } 1237 DELAY(5); 1238 } 1239 return ETIMEDOUT; 1240 } 1241 1242 static uint8_t 1243 urtwn_efuse_read_1(struct urtwn_softc *sc, uint16_t addr) 1244 { 1245 uint32_t reg; 1246 int ntries; 1247 1248 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1249 1250 reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1251 reg = RW(reg, R92C_EFUSE_CTRL_ADDR, addr); 1252 reg &= ~R92C_EFUSE_CTRL_VALID; 1253 urtwn_write_4(sc, R92C_EFUSE_CTRL, reg); 1254 1255 /* Wait for read operation to complete. */ 1256 for (ntries = 0; ntries < 100; ntries++) { 1257 reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1258 if (reg & R92C_EFUSE_CTRL_VALID) { 1259 /* Done */ 1260 return MS(reg, R92C_EFUSE_CTRL_DATA); 1261 } 1262 DELAY(5); 1263 } 1264 aprint_error_dev(sc->sc_dev, 1265 "could not read efuse byte at address 0x%04x\n", addr); 1266 return 0xff; 1267 } 1268 1269 static void 1270 urtwn_efuse_read(struct urtwn_softc *sc) 1271 { 1272 uint8_t *rom = (uint8_t *)&sc->rom; 1273 uint32_t reg; 1274 uint16_t addr = 0; 1275 uint8_t off, msk; 1276 size_t i; 1277 1278 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1279 1280 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1281 1282 urtwn_efuse_switch_power(sc); 1283 1284 memset(&sc->rom, 0xff, sizeof(sc->rom)); 1285 while (addr < 512) { 1286 reg = urtwn_efuse_read_1(sc, addr); 1287 if (reg == 0xff) 1288 break; 1289 addr++; 1290 off = reg >> 4; 1291 msk = reg & 0xf; 1292 for (i = 0; i < 4; i++) { 1293 if (msk & (1U << i)) 1294 continue; 1295 1296 rom[off * 8 + i * 2 + 0] = urtwn_efuse_read_1(sc, addr); 1297 addr++; 1298 rom[off * 8 + i * 2 + 1] = urtwn_efuse_read_1(sc, addr); 1299 addr++; 1300 } 1301 } 1302 #ifdef URTWN_DEBUG 1303 /* Dump ROM content. */ 1304 for (i = 0; i < (int)sizeof(sc->rom); i++) 1305 DPRINTFN(DBG_INIT, "%04jx: %02jx", i, rom[i], 0, 0); 1306 #endif 1307 } 1308 1309 static void 1310 urtwn_efuse_switch_power(struct urtwn_softc *sc) 1311 { 1312 uint32_t reg; 1313 1314 reg = urtwn_read_2(sc, R92C_SYS_ISO_CTRL); 1315 if (!(reg & R92C_SYS_ISO_CTRL_PWC_EV12V)) { 1316 urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 1317 reg | R92C_SYS_ISO_CTRL_PWC_EV12V); 1318 } 1319 reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 1320 if (!(reg & R92C_SYS_FUNC_EN_ELDR)) { 1321 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 1322 reg | R92C_SYS_FUNC_EN_ELDR); 1323 } 1324 reg = urtwn_read_2(sc, R92C_SYS_CLKR); 1325 if ((reg & (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) != 1326 (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) { 1327 urtwn_write_2(sc, R92C_SYS_CLKR, 1328 reg | R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M); 1329 } 1330 } 1331 1332 static int 1333 urtwn_read_chipid(struct urtwn_softc *sc) 1334 { 1335 uint32_t reg; 1336 1337 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1338 1339 if (ISSET(sc->chip, URTWN_CHIP_88E) || 1340 ISSET(sc->chip, URTWN_CHIP_92EU)) 1341 return 0; 1342 1343 reg = urtwn_read_4(sc, R92C_SYS_CFG); 1344 if (reg & R92C_SYS_CFG_TRP_VAUX_EN) { 1345 /* test chip, not supported */ 1346 return EIO; 1347 } 1348 if (reg & R92C_SYS_CFG_TYPE_92C) { 1349 sc->chip |= URTWN_CHIP_92C; 1350 /* Check if it is a castrated 8192C. */ 1351 if (MS(urtwn_read_4(sc, R92C_HPON_FSM), 1352 R92C_HPON_FSM_CHIP_BONDING_ID) == 1353 R92C_HPON_FSM_CHIP_BONDING_ID_92C_1T2R) { 1354 sc->chip |= URTWN_CHIP_92C_1T2R; 1355 } 1356 } 1357 if (reg & R92C_SYS_CFG_VENDOR_UMC) { 1358 sc->chip |= URTWN_CHIP_UMC; 1359 if (MS(reg, R92C_SYS_CFG_CHIP_VER_RTL) == 0) { 1360 sc->chip |= URTWN_CHIP_UMC_A_CUT; 1361 } 1362 } 1363 return 0; 1364 } 1365 1366 #ifdef URTWN_DEBUG 1367 static void 1368 urtwn_dump_rom(struct urtwn_softc *sc, struct r92c_rom *rp) 1369 { 1370 1371 aprint_normal_dev(sc->sc_dev, 1372 "id 0x%04x, dbg_sel %#x, vid %#x, pid %#x\n", 1373 rp->id, rp->dbg_sel, rp->vid, rp->pid); 1374 1375 aprint_normal_dev(sc->sc_dev, 1376 "usb_opt %#x, ep_setting %#x, usb_phy %#x\n", 1377 rp->usb_opt, rp->ep_setting, rp->usb_phy); 1378 1379 aprint_normal_dev(sc->sc_dev, 1380 "macaddr %s\n", 1381 ether_sprintf(rp->macaddr)); 1382 1383 aprint_normal_dev(sc->sc_dev, 1384 "string %s, subcustomer_id %#x\n", 1385 rp->string, rp->subcustomer_id); 1386 1387 aprint_normal_dev(sc->sc_dev, 1388 "cck_tx_pwr c0: %d %d %d, c1: %d %d %d\n", 1389 rp->cck_tx_pwr[0][0], rp->cck_tx_pwr[0][1], rp->cck_tx_pwr[0][2], 1390 rp->cck_tx_pwr[1][0], rp->cck_tx_pwr[1][1], rp->cck_tx_pwr[1][2]); 1391 1392 aprint_normal_dev(sc->sc_dev, 1393 "ht40_1s_tx_pwr c0 %d %d %d, c1 %d %d %d\n", 1394 rp->ht40_1s_tx_pwr[0][0], rp->ht40_1s_tx_pwr[0][1], 1395 rp->ht40_1s_tx_pwr[0][2], 1396 rp->ht40_1s_tx_pwr[1][0], rp->ht40_1s_tx_pwr[1][1], 1397 rp->ht40_1s_tx_pwr[1][2]); 1398 1399 aprint_normal_dev(sc->sc_dev, 1400 "ht40_2s_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1401 rp->ht40_2s_tx_pwr_diff[0] & 0xf, rp->ht40_2s_tx_pwr_diff[1] & 0xf, 1402 rp->ht40_2s_tx_pwr_diff[2] & 0xf, 1403 rp->ht40_2s_tx_pwr_diff[0] >> 4, rp->ht40_2s_tx_pwr_diff[1] & 0xf, 1404 rp->ht40_2s_tx_pwr_diff[2] >> 4); 1405 1406 aprint_normal_dev(sc->sc_dev, 1407 "ht20_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1408 rp->ht20_tx_pwr_diff[0] & 0xf, rp->ht20_tx_pwr_diff[1] & 0xf, 1409 rp->ht20_tx_pwr_diff[2] & 0xf, 1410 rp->ht20_tx_pwr_diff[0] >> 4, rp->ht20_tx_pwr_diff[1] >> 4, 1411 rp->ht20_tx_pwr_diff[2] >> 4); 1412 1413 aprint_normal_dev(sc->sc_dev, 1414 "ofdm_tx_pwr_diff c0: %d %d %d, c1: %d %d %d\n", 1415 rp->ofdm_tx_pwr_diff[0] & 0xf, rp->ofdm_tx_pwr_diff[1] & 0xf, 1416 rp->ofdm_tx_pwr_diff[2] & 0xf, 1417 rp->ofdm_tx_pwr_diff[0] >> 4, rp->ofdm_tx_pwr_diff[1] >> 4, 1418 rp->ofdm_tx_pwr_diff[2] >> 4); 1419 1420 aprint_normal_dev(sc->sc_dev, 1421 "ht40_max_pwr_offset c0: %d %d %d, c1: %d %d %d\n", 1422 rp->ht40_max_pwr[0] & 0xf, rp->ht40_max_pwr[1] & 0xf, 1423 rp->ht40_max_pwr[2] & 0xf, 1424 rp->ht40_max_pwr[0] >> 4, rp->ht40_max_pwr[1] >> 4, 1425 rp->ht40_max_pwr[2] >> 4); 1426 1427 aprint_normal_dev(sc->sc_dev, 1428 "ht20_max_pwr_offset c0: %d %d %d, c1: %d %d %d\n", 1429 rp->ht20_max_pwr[0] & 0xf, rp->ht20_max_pwr[1] & 0xf, 1430 rp->ht20_max_pwr[2] & 0xf, 1431 rp->ht20_max_pwr[0] >> 4, rp->ht20_max_pwr[1] >> 4, 1432 rp->ht20_max_pwr[2] >> 4); 1433 1434 aprint_normal_dev(sc->sc_dev, 1435 "xtal_calib %d, tssi %d %d, thermal %d\n", 1436 rp->xtal_calib, rp->tssi[0], rp->tssi[1], rp->thermal_meter); 1437 1438 aprint_normal_dev(sc->sc_dev, 1439 "rf_opt1 %#x, rf_opt2 %#x, rf_opt3 %#x, rf_opt4 %#x\n", 1440 rp->rf_opt1, rp->rf_opt2, rp->rf_opt3, rp->rf_opt4); 1441 1442 aprint_normal_dev(sc->sc_dev, 1443 "channnel_plan %d, version %d customer_id %#x\n", 1444 rp->channel_plan, rp->version, rp->curstomer_id); 1445 } 1446 #endif 1447 1448 static void 1449 urtwn_read_rom(struct urtwn_softc *sc) 1450 { 1451 struct ieee80211com *ic = &sc->sc_ic; 1452 struct r92c_rom *rom = &sc->rom; 1453 1454 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1455 1456 mutex_enter(&sc->sc_write_mtx); 1457 1458 /* Read full ROM image. */ 1459 urtwn_efuse_read(sc); 1460 #ifdef URTWN_DEBUG 1461 if (urtwn_debug & DBG_REG) 1462 urtwn_dump_rom(sc, rom); 1463 #endif 1464 1465 /* XXX Weird but this is what the vendor driver does. */ 1466 sc->pa_setting = urtwn_efuse_read_1(sc, 0x1fa); 1467 sc->board_type = MS(rom->rf_opt1, R92C_ROM_RF1_BOARD_TYPE); 1468 sc->regulatory = MS(rom->rf_opt1, R92C_ROM_RF1_REGULATORY); 1469 1470 DPRINTFN(DBG_INIT, 1471 "PA setting=%#jx, board=%#jx, regulatory=%jd", 1472 sc->pa_setting, sc->board_type, sc->regulatory, 0); 1473 1474 IEEE80211_ADDR_COPY(ic->ic_myaddr, rom->macaddr); 1475 1476 sc->sc_rf_write = urtwn_r92c_rf_write; 1477 sc->sc_power_on = urtwn_r92c_power_on; 1478 sc->sc_dma_init = urtwn_r92c_dma_init; 1479 1480 mutex_exit(&sc->sc_write_mtx); 1481 } 1482 1483 static void 1484 urtwn_r88e_read_rom(struct urtwn_softc *sc) 1485 { 1486 struct ieee80211com *ic = &sc->sc_ic; 1487 uint8_t *rom = sc->r88e_rom; 1488 uint32_t reg; 1489 uint16_t addr = 0; 1490 uint8_t off, msk, tmp; 1491 int i; 1492 1493 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1494 1495 mutex_enter(&sc->sc_write_mtx); 1496 1497 off = 0; 1498 urtwn_efuse_switch_power(sc); 1499 1500 /* Read full ROM image. */ 1501 memset(&sc->r88e_rom, 0xff, sizeof(sc->r88e_rom)); 1502 while (addr < 4096) { 1503 reg = urtwn_efuse_read_1(sc, addr); 1504 if (reg == 0xff) 1505 break; 1506 addr++; 1507 if ((reg & 0x1f) == 0x0f) { 1508 tmp = (reg & 0xe0) >> 5; 1509 reg = urtwn_efuse_read_1(sc, addr); 1510 if ((reg & 0x0f) != 0x0f) 1511 off = ((reg & 0xf0) >> 1) | tmp; 1512 addr++; 1513 } else 1514 off = reg >> 4; 1515 msk = reg & 0xf; 1516 for (i = 0; i < 4; i++) { 1517 if (msk & (1 << i)) 1518 continue; 1519 rom[off * 8 + i * 2 + 0] = urtwn_efuse_read_1(sc, addr); 1520 addr++; 1521 rom[off * 8 + i * 2 + 1] = urtwn_efuse_read_1(sc, addr); 1522 addr++; 1523 } 1524 } 1525 #ifdef URTWN_DEBUG 1526 if (urtwn_debug & DBG_REG) { 1527 } 1528 #endif 1529 1530 addr = 0x10; 1531 for (i = 0; i < 6; i++) 1532 sc->cck_tx_pwr[i] = sc->r88e_rom[addr++]; 1533 for (i = 0; i < 5; i++) 1534 sc->ht40_tx_pwr[i] = sc->r88e_rom[addr++]; 1535 sc->bw20_tx_pwr_diff = (sc->r88e_rom[addr] & 0xf0) >> 4; 1536 if (sc->bw20_tx_pwr_diff & 0x08) 1537 sc->bw20_tx_pwr_diff |= 0xf0; 1538 sc->ofdm_tx_pwr_diff = (sc->r88e_rom[addr] & 0xf); 1539 if (sc->ofdm_tx_pwr_diff & 0x08) 1540 sc->ofdm_tx_pwr_diff |= 0xf0; 1541 sc->regulatory = MS(sc->r88e_rom[0xc1], R92C_ROM_RF1_REGULATORY); 1542 1543 IEEE80211_ADDR_COPY(ic->ic_myaddr, &sc->r88e_rom[0xd7]); 1544 1545 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 1546 sc->sc_power_on = urtwn_r92e_power_on; 1547 sc->sc_rf_write = urtwn_r92e_rf_write; 1548 } else { 1549 sc->sc_power_on = urtwn_r88e_power_on; 1550 sc->sc_rf_write = urtwn_r88e_rf_write; 1551 } 1552 sc->sc_dma_init = urtwn_r88e_dma_init; 1553 1554 mutex_exit(&sc->sc_write_mtx); 1555 } 1556 1557 static int 1558 urtwn_media_change(struct ifnet *ifp) 1559 { 1560 int error; 1561 1562 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1563 1564 if ((error = ieee80211_media_change(ifp)) != ENETRESET) 1565 return error; 1566 1567 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1568 (IFF_UP | IFF_RUNNING)) { 1569 urtwn_init(ifp); 1570 } 1571 return 0; 1572 } 1573 1574 /* 1575 * Initialize rate adaptation in firmware. 1576 */ 1577 static int __noinline 1578 urtwn_ra_init(struct urtwn_softc *sc) 1579 { 1580 static const uint8_t map[] = { 1581 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 1582 }; 1583 struct ieee80211com *ic = &sc->sc_ic; 1584 struct ieee80211_node *ni = ic->ic_bss; 1585 struct ieee80211_rateset *rs = &ni->ni_rates; 1586 struct r92c_fw_cmd_macid_cfg cmd; 1587 uint32_t rates, basicrates; 1588 uint32_t rrsr_mask, rrsr_rate; 1589 uint8_t mode; 1590 size_t maxrate, maxbasicrate, i, j; 1591 int error; 1592 1593 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1594 1595 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1596 1597 /* Get normal and basic rates mask. */ 1598 rates = basicrates = 1; 1599 maxrate = maxbasicrate = 0; 1600 for (i = 0; i < rs->rs_nrates; i++) { 1601 /* Convert 802.11 rate to HW rate index. */ 1602 for (j = 0; j < __arraycount(map); j++) { 1603 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == map[j]) { 1604 break; 1605 } 1606 } 1607 if (j == __arraycount(map)) { 1608 /* Unknown rate, skip. */ 1609 continue; 1610 } 1611 1612 rates |= 1U << j; 1613 if (j > maxrate) { 1614 maxrate = j; 1615 } 1616 1617 if (rs->rs_rates[i] & IEEE80211_RATE_BASIC) { 1618 basicrates |= 1U << j; 1619 if (j > maxbasicrate) { 1620 maxbasicrate = j; 1621 } 1622 } 1623 } 1624 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1625 mode = R92C_RAID_11B; 1626 } else { 1627 mode = R92C_RAID_11BG; 1628 } 1629 DPRINTFN(DBG_INIT, "mode=%#jx", mode, 0, 0, 0); 1630 DPRINTFN(DBG_INIT, "rates=%#jx, basicrates=%#jx, " 1631 "maxrate=%jx, maxbasicrate=%jx", 1632 rates, basicrates, maxrate, maxbasicrate); 1633 1634 if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) { 1635 maxbasicrate |= R92C_RATE_SHORTGI; 1636 maxrate |= R92C_RATE_SHORTGI; 1637 } 1638 1639 /* Set rates mask for group addressed frames. */ 1640 cmd.macid = RTWN_MACID_BC | RTWN_MACID_VALID; 1641 if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) 1642 cmd.macid |= RTWN_MACID_SHORTGI; 1643 cmd.mask = htole32((mode << 28) | basicrates); 1644 error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1645 if (error != 0) { 1646 aprint_error_dev(sc->sc_dev, 1647 "could not add broadcast station\n"); 1648 return error; 1649 } 1650 /* Set initial MRR rate. */ 1651 DPRINTFN(DBG_INIT, "maxbasicrate=%jd", maxbasicrate, 0, 0, 0); 1652 urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(RTWN_MACID_BC), maxbasicrate); 1653 1654 /* Set rates mask for unicast frames. */ 1655 cmd.macid = RTWN_MACID_BSS | RTWN_MACID_VALID; 1656 if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) 1657 cmd.macid |= RTWN_MACID_SHORTGI; 1658 cmd.mask = htole32((mode << 28) | rates); 1659 error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1660 if (error != 0) { 1661 aprint_error_dev(sc->sc_dev, "could not add BSS station\n"); 1662 return error; 1663 } 1664 /* Set initial MRR rate. */ 1665 DPRINTFN(DBG_INIT, "maxrate=%jd", maxrate, 0, 0, 0); 1666 urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(RTWN_MACID_BSS), maxrate); 1667 1668 rrsr_rate = ic->ic_fixed_rate; 1669 if (rrsr_rate == -1) 1670 rrsr_rate = 11; 1671 1672 rrsr_mask = 0xffff >> (15 - rrsr_rate); 1673 urtwn_write_2(sc, R92C_RRSR, rrsr_mask); 1674 1675 /* Indicate highest supported rate. */ 1676 ni->ni_txrate = rs->rs_nrates - 1; 1677 1678 return 0; 1679 } 1680 1681 static int 1682 urtwn_get_nettype(struct urtwn_softc *sc) 1683 { 1684 struct ieee80211com *ic = &sc->sc_ic; 1685 int type; 1686 1687 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1688 1689 switch (ic->ic_opmode) { 1690 case IEEE80211_M_STA: 1691 type = R92C_CR_NETTYPE_INFRA; 1692 break; 1693 1694 case IEEE80211_M_IBSS: 1695 type = R92C_CR_NETTYPE_ADHOC; 1696 break; 1697 1698 default: 1699 type = R92C_CR_NETTYPE_NOLINK; 1700 break; 1701 } 1702 1703 return type; 1704 } 1705 1706 static void 1707 urtwn_set_nettype0_msr(struct urtwn_softc *sc, uint8_t type) 1708 { 1709 uint8_t reg; 1710 1711 URTWNHIST_FUNC(); 1712 URTWNHIST_CALLARGS("type=%jd", type, 0, 0, 0); 1713 1714 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1715 1716 reg = urtwn_read_1(sc, R92C_CR + 2) & 0x0c; 1717 urtwn_write_1(sc, R92C_CR + 2, reg | type); 1718 } 1719 1720 static void 1721 urtwn_tsf_sync_enable(struct urtwn_softc *sc) 1722 { 1723 struct ieee80211_node *ni = sc->sc_ic.ic_bss; 1724 uint64_t tsf; 1725 1726 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1727 1728 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1729 1730 /* Enable TSF synchronization. */ 1731 urtwn_write_1(sc, R92C_BCN_CTRL, 1732 urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_DIS_TSF_UDT0); 1733 1734 /* Correct TSF */ 1735 urtwn_write_1(sc, R92C_BCN_CTRL, 1736 urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_EN_BCN); 1737 1738 /* Set initial TSF. */ 1739 tsf = ni->ni_tstamp.tsf; 1740 tsf = le64toh(tsf); 1741 tsf = tsf - (tsf % (ni->ni_intval * IEEE80211_DUR_TU)); 1742 tsf -= IEEE80211_DUR_TU; 1743 urtwn_write_4(sc, R92C_TSFTR + 0, (uint32_t)tsf); 1744 urtwn_write_4(sc, R92C_TSFTR + 4, (uint32_t)(tsf >> 32)); 1745 1746 urtwn_write_1(sc, R92C_BCN_CTRL, 1747 urtwn_read_1(sc, R92C_BCN_CTRL) | R92C_BCN_CTRL_EN_BCN); 1748 } 1749 1750 static void 1751 urtwn_set_led(struct urtwn_softc *sc, int led, int on) 1752 { 1753 uint8_t reg; 1754 1755 URTWNHIST_FUNC(); 1756 URTWNHIST_CALLARGS("led=%jd, on=%jd", led, on, 0, 0); 1757 1758 KASSERT(mutex_owned(&sc->sc_write_mtx)); 1759 1760 if (led == URTWN_LED_LINK) { 1761 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 1762 urtwn_write_1(sc, 0x64, urtwn_read_1(sc, 0x64) & 0xfe); 1763 reg = urtwn_read_1(sc, R92C_LEDCFG1) & R92E_LEDSON; 1764 urtwn_write_1(sc, R92C_LEDCFG1, reg | 1765 (R92C_LEDCFG0_DIS << 1)); 1766 if (on) { 1767 reg = urtwn_read_1(sc, R92C_LEDCFG1) & 1768 R92E_LEDSON; 1769 urtwn_write_1(sc, R92C_LEDCFG1, reg); 1770 } 1771 } else if (ISSET(sc->chip, URTWN_CHIP_88E)) { 1772 reg = urtwn_read_1(sc, R92C_LEDCFG2) & 0xf0; 1773 urtwn_write_1(sc, R92C_LEDCFG2, reg | 0x60); 1774 if (!on) { 1775 reg = urtwn_read_1(sc, R92C_LEDCFG2) & 0x90; 1776 urtwn_write_1(sc, R92C_LEDCFG2, 1777 reg | R92C_LEDCFG0_DIS); 1778 reg = urtwn_read_1(sc, R92C_MAC_PINMUX_CFG); 1779 urtwn_write_1(sc, R92C_MAC_PINMUX_CFG, 1780 reg & 0xfe); 1781 } 1782 } else { 1783 reg = urtwn_read_1(sc, R92C_LEDCFG0) & 0x70; 1784 if (!on) { 1785 reg |= R92C_LEDCFG0_DIS; 1786 } 1787 urtwn_write_1(sc, R92C_LEDCFG0, reg); 1788 } 1789 sc->ledlink = on; /* Save LED state. */ 1790 } 1791 } 1792 1793 static void 1794 urtwn_calib_to(void *arg) 1795 { 1796 struct urtwn_softc *sc = arg; 1797 1798 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1799 1800 if (sc->sc_dying) 1801 return; 1802 1803 /* Do it in a process context. */ 1804 urtwn_do_async(sc, urtwn_calib_to_cb, NULL, 0); 1805 } 1806 1807 /* ARGSUSED */ 1808 static void 1809 urtwn_calib_to_cb(struct urtwn_softc *sc, void *arg) 1810 { 1811 struct r92c_fw_cmd_rssi cmd; 1812 struct r92e_fw_cmd_rssi cmde; 1813 1814 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1815 1816 if (sc->sc_ic.ic_state != IEEE80211_S_RUN) 1817 goto restart_timer; 1818 1819 mutex_enter(&sc->sc_write_mtx); 1820 if (sc->avg_pwdb != -1) { 1821 /* Indicate Rx signal strength to FW for rate adaptation. */ 1822 memset(&cmd, 0, sizeof(cmd)); 1823 memset(&cmde, 0, sizeof(cmde)); 1824 cmd.macid = 0; /* BSS. */ 1825 cmde.macid = 0; /* BSS. */ 1826 cmd.pwdb = sc->avg_pwdb; 1827 cmde.pwdb = sc->avg_pwdb; 1828 DPRINTFN(DBG_RF, "sending RSSI command avg=%jd", 1829 sc->avg_pwdb, 0, 0, 0); 1830 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) { 1831 urtwn_fw_cmd(sc, R92C_CMD_RSSI_SETTING, &cmd, 1832 sizeof(cmd)); 1833 } else { 1834 urtwn_fw_cmd(sc, R92E_CMD_RSSI_REPORT, &cmde, 1835 sizeof(cmde)); 1836 } 1837 } 1838 1839 /* Do temperature compensation. */ 1840 urtwn_temp_calib(sc); 1841 mutex_exit(&sc->sc_write_mtx); 1842 1843 restart_timer: 1844 if (!sc->sc_dying) { 1845 /* Restart calibration timer. */ 1846 callout_schedule(&sc->sc_calib_to, hz); 1847 } 1848 } 1849 1850 static void 1851 urtwn_next_scan(void *arg) 1852 { 1853 struct urtwn_softc *sc = arg; 1854 int s; 1855 1856 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1857 1858 if (sc->sc_dying) 1859 return; 1860 1861 s = splnet(); 1862 if (sc->sc_ic.ic_state == IEEE80211_S_SCAN) 1863 ieee80211_next_scan(&sc->sc_ic); 1864 splx(s); 1865 } 1866 1867 static void 1868 urtwn_newassoc(struct ieee80211_node *ni, int isnew) 1869 { 1870 URTWNHIST_FUNC(); 1871 URTWNHIST_CALLARGS("new node %06jx%06jx", 1872 ni->ni_macaddr[0] << 2 | 1873 ni->ni_macaddr[1] << 1 | 1874 ni->ni_macaddr[2], 1875 ni->ni_macaddr[3] << 2 | 1876 ni->ni_macaddr[4] << 1 | 1877 ni->ni_macaddr[5], 1878 0, 0); 1879 /* start with lowest Tx rate */ 1880 ni->ni_txrate = 0; 1881 } 1882 1883 static int 1884 urtwn_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 1885 { 1886 struct urtwn_softc *sc = ic->ic_ifp->if_softc; 1887 struct urtwn_cmd_newstate cmd; 1888 1889 URTWNHIST_FUNC(); 1890 URTWNHIST_CALLARGS("nstate=%jd, arg=%jd", nstate, arg, 0, 0); 1891 1892 callout_stop(&sc->sc_scan_to); 1893 callout_stop(&sc->sc_calib_to); 1894 1895 /* Do it in a process context. */ 1896 cmd.state = nstate; 1897 cmd.arg = arg; 1898 urtwn_do_async(sc, urtwn_newstate_cb, &cmd, sizeof(cmd)); 1899 return 0; 1900 } 1901 1902 static void 1903 urtwn_newstate_cb(struct urtwn_softc *sc, void *arg) 1904 { 1905 struct urtwn_cmd_newstate *cmd = arg; 1906 struct ieee80211com *ic = &sc->sc_ic; 1907 struct ieee80211_node *ni; 1908 enum ieee80211_state ostate = ic->ic_state; 1909 enum ieee80211_state nstate = cmd->state; 1910 uint32_t reg; 1911 uint8_t sifs_time, msr; 1912 int s; 1913 1914 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 1915 DPRINTFN(DBG_STM, "%jd->%jd", ostate, nstate, 0, 0); 1916 1917 s = splnet(); 1918 mutex_enter(&sc->sc_write_mtx); 1919 1920 callout_stop(&sc->sc_scan_to); 1921 callout_stop(&sc->sc_calib_to); 1922 1923 switch (ostate) { 1924 case IEEE80211_S_INIT: 1925 break; 1926 1927 case IEEE80211_S_SCAN: 1928 if (nstate != IEEE80211_S_SCAN) { 1929 /* 1930 * End of scanning 1931 */ 1932 /* flush 4-AC Queue after site_survey */ 1933 urtwn_write_1(sc, R92C_TXPAUSE, 0x0); 1934 1935 /* Allow Rx from our BSSID only. */ 1936 urtwn_write_4(sc, R92C_RCR, 1937 urtwn_read_4(sc, R92C_RCR) | 1938 R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN); 1939 } 1940 break; 1941 1942 case IEEE80211_S_AUTH: 1943 case IEEE80211_S_ASSOC: 1944 break; 1945 1946 case IEEE80211_S_RUN: 1947 /* Turn link LED off. */ 1948 urtwn_set_led(sc, URTWN_LED_LINK, 0); 1949 1950 /* Set media status to 'No Link'. */ 1951 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 1952 1953 /* Stop Rx of data frames. */ 1954 urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1955 1956 /* Reset TSF. */ 1957 urtwn_write_1(sc, R92C_DUAL_TSF_RST, 0x03); 1958 1959 /* Disable TSF synchronization. */ 1960 urtwn_write_1(sc, R92C_BCN_CTRL, 1961 urtwn_read_1(sc, R92C_BCN_CTRL) | 1962 R92C_BCN_CTRL_DIS_TSF_UDT0); 1963 1964 /* Back to 20MHz mode */ 1965 urtwn_set_chan(sc, ic->ic_curchan, 1966 IEEE80211_HTINFO_2NDCHAN_NONE); 1967 1968 if (ic->ic_opmode == IEEE80211_M_IBSS || 1969 ic->ic_opmode == IEEE80211_M_HOSTAP) { 1970 /* Stop BCN */ 1971 urtwn_write_1(sc, R92C_BCN_CTRL, 1972 urtwn_read_1(sc, R92C_BCN_CTRL) & 1973 ~(R92C_BCN_CTRL_EN_BCN | R92C_BCN_CTRL_TXBCN_RPT)); 1974 } 1975 1976 /* Reset EDCA parameters. */ 1977 urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217); 1978 urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317); 1979 urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320); 1980 urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444); 1981 1982 /* flush all cam entries */ 1983 urtwn_cam_init(sc); 1984 break; 1985 } 1986 1987 switch (nstate) { 1988 case IEEE80211_S_INIT: 1989 /* Turn link LED off. */ 1990 urtwn_set_led(sc, URTWN_LED_LINK, 0); 1991 break; 1992 1993 case IEEE80211_S_SCAN: 1994 if (ostate != IEEE80211_S_SCAN) { 1995 /* 1996 * Begin of scanning 1997 */ 1998 1999 /* Set gain for scanning. */ 2000 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 2001 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 2002 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 2003 2004 if (!ISSET(sc->chip, URTWN_CHIP_88E)) { 2005 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 2006 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 2007 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 2008 } 2009 2010 /* Set media status to 'No Link'. */ 2011 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 2012 2013 /* Allow Rx from any BSSID. */ 2014 urtwn_write_4(sc, R92C_RCR, 2015 urtwn_read_4(sc, R92C_RCR) & 2016 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 2017 2018 /* Stop Rx of data frames. */ 2019 urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 2020 2021 /* Disable update TSF */ 2022 urtwn_write_1(sc, R92C_BCN_CTRL, 2023 urtwn_read_1(sc, R92C_BCN_CTRL) | 2024 R92C_BCN_CTRL_DIS_TSF_UDT0); 2025 } 2026 2027 /* Make link LED blink during scan. */ 2028 urtwn_set_led(sc, URTWN_LED_LINK, !sc->ledlink); 2029 2030 /* Pause AC Tx queues. */ 2031 urtwn_write_1(sc, R92C_TXPAUSE, 2032 urtwn_read_1(sc, R92C_TXPAUSE) | 0x0f); 2033 2034 urtwn_set_chan(sc, ic->ic_curchan, 2035 IEEE80211_HTINFO_2NDCHAN_NONE); 2036 2037 /* Start periodic scan. */ 2038 if (!sc->sc_dying) 2039 callout_schedule(&sc->sc_scan_to, hz / 5); 2040 break; 2041 2042 case IEEE80211_S_AUTH: 2043 /* Set initial gain under link. */ 2044 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 2045 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 2046 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 2047 2048 if (!ISSET(sc->chip, URTWN_CHIP_88E)) { 2049 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 2050 reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 2051 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 2052 } 2053 2054 /* Set media status to 'No Link'. */ 2055 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 2056 2057 /* Allow Rx from any BSSID. */ 2058 urtwn_write_4(sc, R92C_RCR, 2059 urtwn_read_4(sc, R92C_RCR) & 2060 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 2061 2062 urtwn_set_chan(sc, ic->ic_curchan, 2063 IEEE80211_HTINFO_2NDCHAN_NONE); 2064 break; 2065 2066 case IEEE80211_S_ASSOC: 2067 break; 2068 2069 case IEEE80211_S_RUN: 2070 ni = ic->ic_bss; 2071 2072 /* XXX: Set 20MHz mode */ 2073 urtwn_set_chan(sc, ic->ic_curchan, 2074 IEEE80211_HTINFO_2NDCHAN_NONE); 2075 2076 if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2077 /* Back to 20MHz mode */ 2078 urtwn_set_chan(sc, ic->ic_curchan, 2079 IEEE80211_HTINFO_2NDCHAN_NONE); 2080 2081 /* Set media status to 'No Link'. */ 2082 urtwn_set_nettype0_msr(sc, R92C_CR_NETTYPE_NOLINK); 2083 2084 /* Enable Rx of data frames. */ 2085 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 2086 2087 /* Allow Rx from any BSSID. */ 2088 urtwn_write_4(sc, R92C_RCR, 2089 urtwn_read_4(sc, R92C_RCR) & 2090 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 2091 2092 /* Accept Rx data/control/management frames */ 2093 urtwn_write_4(sc, R92C_RCR, 2094 urtwn_read_4(sc, R92C_RCR) | 2095 R92C_RCR_ADF | R92C_RCR_ACF | R92C_RCR_AMF); 2096 2097 /* Turn link LED on. */ 2098 urtwn_set_led(sc, URTWN_LED_LINK, 1); 2099 break; 2100 } 2101 2102 /* Set media status to 'Associated'. */ 2103 urtwn_set_nettype0_msr(sc, urtwn_get_nettype(sc)); 2104 2105 /* Set BSSID. */ 2106 urtwn_write_4(sc, R92C_BSSID + 0, LE_READ_4(&ni->ni_bssid[0])); 2107 urtwn_write_4(sc, R92C_BSSID + 4, LE_READ_2(&ni->ni_bssid[4])); 2108 2109 if (ic->ic_curmode == IEEE80211_MODE_11B) { 2110 urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 0); 2111 } else { 2112 /* 802.11b/g */ 2113 urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 3); 2114 } 2115 2116 /* Enable Rx of data frames. */ 2117 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 2118 2119 /* Set beacon interval. */ 2120 urtwn_write_2(sc, R92C_BCN_INTERVAL, ni->ni_intval); 2121 2122 msr = urtwn_read_1(sc, R92C_MSR); 2123 msr &= R92C_MSR_MASK; 2124 switch (ic->ic_opmode) { 2125 case IEEE80211_M_STA: 2126 /* Allow Rx from our BSSID only. */ 2127 urtwn_write_4(sc, R92C_RCR, 2128 urtwn_read_4(sc, R92C_RCR) | 2129 R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN); 2130 2131 /* Enable TSF synchronization. */ 2132 urtwn_tsf_sync_enable(sc); 2133 2134 msr |= R92C_MSR_INFRA; 2135 break; 2136 case IEEE80211_M_HOSTAP: 2137 urtwn_write_2(sc, R92C_BCNTCFG, 0x000f); 2138 2139 /* Allow Rx from any BSSID. */ 2140 urtwn_write_4(sc, R92C_RCR, 2141 urtwn_read_4(sc, R92C_RCR) & 2142 ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 2143 2144 /* Reset TSF timer to zero. */ 2145 reg = urtwn_read_4(sc, R92C_TCR); 2146 reg &= ~0x01; 2147 urtwn_write_4(sc, R92C_TCR, reg); 2148 reg |= 0x01; 2149 urtwn_write_4(sc, R92C_TCR, reg); 2150 2151 msr |= R92C_MSR_AP; 2152 break; 2153 default: 2154 msr |= R92C_MSR_ADHOC; 2155 break; 2156 } 2157 urtwn_write_1(sc, R92C_MSR, msr); 2158 2159 sifs_time = 10; 2160 urtwn_write_1(sc, R92C_SIFS_CCK + 1, sifs_time); 2161 urtwn_write_1(sc, R92C_SIFS_OFDM + 1, sifs_time); 2162 urtwn_write_1(sc, R92C_SPEC_SIFS + 1, sifs_time); 2163 urtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, sifs_time); 2164 urtwn_write_1(sc, R92C_R2T_SIFS + 1, sifs_time); 2165 urtwn_write_1(sc, R92C_T2T_SIFS + 1, sifs_time); 2166 2167 /* Initialize rate adaptation. */ 2168 if (ISSET(sc->chip, URTWN_CHIP_88E) || 2169 ISSET(sc->chip, URTWN_CHIP_92EU)) 2170 ni->ni_txrate = ni->ni_rates.rs_nrates - 1; 2171 else 2172 urtwn_ra_init(sc); 2173 2174 /* Turn link LED on. */ 2175 urtwn_set_led(sc, URTWN_LED_LINK, 1); 2176 2177 /* Reset average RSSI. */ 2178 sc->avg_pwdb = -1; 2179 2180 /* Reset temperature calibration state machine. */ 2181 sc->thcal_state = 0; 2182 sc->thcal_lctemp = 0; 2183 2184 /* Start periodic calibration. */ 2185 if (!sc->sc_dying) 2186 callout_schedule(&sc->sc_calib_to, hz); 2187 break; 2188 } 2189 2190 (*sc->sc_newstate)(ic, nstate, cmd->arg); 2191 2192 mutex_exit(&sc->sc_write_mtx); 2193 splx(s); 2194 } 2195 2196 static int 2197 urtwn_wme_update(struct ieee80211com *ic) 2198 { 2199 struct urtwn_softc *sc = ic->ic_ifp->if_softc; 2200 2201 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 2202 2203 /* don't override default WME values if WME is not actually enabled */ 2204 if (!(ic->ic_flags & IEEE80211_F_WME)) 2205 return 0; 2206 2207 /* Do it in a process context. */ 2208 urtwn_do_async(sc, urtwn_wme_update_cb, NULL, 0); 2209 return 0; 2210 } 2211 2212 static void 2213 urtwn_wme_update_cb(struct urtwn_softc *sc, void *arg) 2214 { 2215 static const uint16_t ac2reg[WME_NUM_AC] = { 2216 R92C_EDCA_BE_PARAM, 2217 R92C_EDCA_BK_PARAM, 2218 R92C_EDCA_VI_PARAM, 2219 R92C_EDCA_VO_PARAM 2220 }; 2221 struct ieee80211com *ic = &sc->sc_ic; 2222 const struct wmeParams *wmep; 2223 int ac, aifs, slottime; 2224 int s; 2225 2226 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 2227 DPRINTFN(DBG_STM, "called", 0, 0, 0, 0); 2228 2229 s = splnet(); 2230 mutex_enter(&sc->sc_write_mtx); 2231 slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 2232 for (ac = 0; ac < WME_NUM_AC; ac++) { 2233 wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac]; 2234 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 2235 aifs = wmep->wmep_aifsn * slottime + 10; 2236 urtwn_write_4(sc, ac2reg[ac], 2237 SM(R92C_EDCA_PARAM_TXOP, wmep->wmep_txopLimit) | 2238 SM(R92C_EDCA_PARAM_ECWMIN, wmep->wmep_logcwmin) | 2239 SM(R92C_EDCA_PARAM_ECWMAX, wmep->wmep_logcwmax) | 2240 SM(R92C_EDCA_PARAM_AIFS, aifs)); 2241 } 2242 mutex_exit(&sc->sc_write_mtx); 2243 splx(s); 2244 } 2245 2246 static void 2247 urtwn_update_avgrssi(struct urtwn_softc *sc, int rate, int8_t rssi) 2248 { 2249 int pwdb; 2250 2251 URTWNHIST_FUNC(); 2252 URTWNHIST_CALLARGS("rate=%jd, rsst=%jd", rate, rssi, 0, 0); 2253 2254 /* Convert antenna signal to percentage. */ 2255 if (rssi <= -100 || rssi >= 20) 2256 pwdb = 0; 2257 else if (rssi >= 0) 2258 pwdb = 100; 2259 else 2260 pwdb = 100 + rssi; 2261 if (!ISSET(sc->chip, URTWN_CHIP_88E)) { 2262 if (rate <= 3) { 2263 /* CCK gain is smaller than OFDM/MCS gain. */ 2264 pwdb += 6; 2265 if (pwdb > 100) 2266 pwdb = 100; 2267 if (pwdb <= 14) 2268 pwdb -= 4; 2269 else if (pwdb <= 26) 2270 pwdb -= 8; 2271 else if (pwdb <= 34) 2272 pwdb -= 6; 2273 else if (pwdb <= 42) 2274 pwdb -= 2; 2275 } 2276 } 2277 if (sc->avg_pwdb == -1) /* Init. */ 2278 sc->avg_pwdb = pwdb; 2279 else if (sc->avg_pwdb < pwdb) 2280 sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20) + 1; 2281 else 2282 sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20); 2283 2284 DPRINTFN(DBG_RF, "rate=%jd rssi=%jd PWDB=%jd EMA=%jd", 2285 rate, rssi, pwdb, sc->avg_pwdb); 2286 } 2287 2288 static int8_t 2289 urtwn_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 2290 { 2291 static const int8_t cckoff[] = { 16, -12, -26, -46 }; 2292 struct r92c_rx_phystat *phy; 2293 struct r92c_rx_cck *cck; 2294 uint8_t rpt; 2295 int8_t rssi; 2296 2297 URTWNHIST_FUNC(); 2298 URTWNHIST_CALLARGS("rate=%jd", rate, 0, 0, 0); 2299 2300 if (rate <= 3) { 2301 cck = (struct r92c_rx_cck *)physt; 2302 if (ISSET(sc->sc_flags, URTWN_FLAG_CCK_HIPWR)) { 2303 rpt = (cck->agc_rpt >> 5) & 0x3; 2304 rssi = (cck->agc_rpt & 0x1f) << 1; 2305 } else { 2306 rpt = (cck->agc_rpt >> 6) & 0x3; 2307 rssi = cck->agc_rpt & 0x3e; 2308 } 2309 rssi = cckoff[rpt] - rssi; 2310 } else { /* OFDM/HT. */ 2311 phy = (struct r92c_rx_phystat *)physt; 2312 rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 2313 } 2314 return rssi; 2315 } 2316 2317 static int8_t 2318 urtwn_r88e_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 2319 { 2320 struct r92c_rx_phystat *phy; 2321 struct r88e_rx_cck *cck; 2322 uint8_t cck_agc_rpt, lna_idx, vga_idx; 2323 int8_t rssi; 2324 2325 URTWNHIST_FUNC(); 2326 URTWNHIST_CALLARGS("rate=%jd", rate, 0, 0, 0); 2327 2328 rssi = 0; 2329 if (rate <= 3) { 2330 cck = (struct r88e_rx_cck *)physt; 2331 cck_agc_rpt = cck->agc_rpt; 2332 lna_idx = (cck_agc_rpt & 0xe0) >> 5; 2333 vga_idx = cck_agc_rpt & 0x1f; 2334 switch (lna_idx) { 2335 case 7: 2336 if (vga_idx <= 27) 2337 rssi = -100 + 2* (27 - vga_idx); 2338 else 2339 rssi = -100; 2340 break; 2341 case 6: 2342 rssi = -48 + 2 * (2 - vga_idx); 2343 break; 2344 case 5: 2345 rssi = -42 + 2 * (7 - vga_idx); 2346 break; 2347 case 4: 2348 rssi = -36 + 2 * (7 - vga_idx); 2349 break; 2350 case 3: 2351 rssi = -24 + 2 * (7 - vga_idx); 2352 break; 2353 case 2: 2354 rssi = -12 + 2 * (5 - vga_idx); 2355 break; 2356 case 1: 2357 rssi = 8 - (2 * vga_idx); 2358 break; 2359 case 0: 2360 rssi = 14 - (2 * vga_idx); 2361 break; 2362 } 2363 rssi += 6; 2364 } else { /* OFDM/HT. */ 2365 phy = (struct r92c_rx_phystat *)physt; 2366 rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 2367 } 2368 return rssi; 2369 } 2370 2371 static void 2372 urtwn_rx_frame(struct urtwn_softc *sc, uint8_t *buf, int pktlen) 2373 { 2374 struct ieee80211com *ic = &sc->sc_ic; 2375 struct ifnet *ifp = ic->ic_ifp; 2376 struct ieee80211_frame *wh; 2377 struct ieee80211_node *ni; 2378 struct r92c_rx_desc_usb *stat; 2379 uint32_t rxdw0, rxdw3; 2380 struct mbuf *m; 2381 uint8_t rate; 2382 int8_t rssi = 0; 2383 int s, infosz; 2384 2385 URTWNHIST_FUNC(); 2386 URTWNHIST_CALLARGS("buf=%jp, pktlen=%#jd", (uintptr_t)buf, pktlen, 0, 0); 2387 2388 stat = (struct r92c_rx_desc_usb *)buf; 2389 rxdw0 = le32toh(stat->rxdw0); 2390 rxdw3 = le32toh(stat->rxdw3); 2391 2392 if (__predict_false(rxdw0 & (R92C_RXDW0_CRCERR | R92C_RXDW0_ICVERR))) { 2393 /* 2394 * This should not happen since we setup our Rx filter 2395 * to not receive these frames. 2396 */ 2397 DPRINTFN(DBG_RX, "CRC error", 0, 0, 0, 0); 2398 if_statinc(ifp, if_ierrors); 2399 return; 2400 } 2401 /* 2402 * XXX: This will drop most control packets. Do we really 2403 * want this in IEEE80211_M_MONITOR mode? 2404 */ 2405 // if (__predict_false(pktlen < (int)sizeof(*wh))) { 2406 if (__predict_false(pktlen < (int)sizeof(struct ieee80211_frame_ack))) { 2407 DPRINTFN(DBG_RX, "packet too short %jd", pktlen, 0, 0, 0); 2408 ic->ic_stats.is_rx_tooshort++; 2409 if_statinc(ifp, if_ierrors); 2410 return; 2411 } 2412 if (__predict_false(pktlen > MCLBYTES)) { 2413 DPRINTFN(DBG_RX, "packet too big %jd", pktlen, 0, 0, 0); 2414 if_statinc(ifp, if_ierrors); 2415 return; 2416 } 2417 2418 rate = MS(rxdw3, R92C_RXDW3_RATE); 2419 infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 2420 2421 /* Get RSSI from PHY status descriptor if present. */ 2422 if (infosz != 0 && (rxdw0 & R92C_RXDW0_PHYST)) { 2423 if (!ISSET(sc->chip, URTWN_CHIP_92C)) 2424 rssi = urtwn_r88e_get_rssi(sc, rate, &stat[1]); 2425 else 2426 rssi = urtwn_get_rssi(sc, rate, &stat[1]); 2427 /* Update our average RSSI. */ 2428 urtwn_update_avgrssi(sc, rate, rssi); 2429 } 2430 2431 DPRINTFN(DBG_RX, "Rx frame len=%jd rate=%jd infosz=%jd rssi=%jd", 2432 pktlen, rate, infosz, rssi); 2433 2434 MGETHDR(m, M_DONTWAIT, MT_DATA); 2435 if (__predict_false(m == NULL)) { 2436 aprint_error_dev(sc->sc_dev, "couldn't allocate rx mbuf\n"); 2437 ic->ic_stats.is_rx_nobuf++; 2438 if_statinc(ifp, if_ierrors); 2439 return; 2440 } 2441 if (pktlen > (int)MHLEN) { 2442 MCLGET(m, M_DONTWAIT); 2443 if (__predict_false(!(m->m_flags & M_EXT))) { 2444 aprint_error_dev(sc->sc_dev, 2445 "couldn't allocate rx mbuf cluster\n"); 2446 m_freem(m); 2447 ic->ic_stats.is_rx_nobuf++; 2448 if_statinc(ifp, if_ierrors); 2449 return; 2450 } 2451 } 2452 2453 /* Finalize mbuf. */ 2454 m_set_rcvif(m, ifp); 2455 wh = (struct ieee80211_frame *)((uint8_t *)&stat[1] + infosz); 2456 memcpy(mtod(m, uint8_t *), wh, pktlen); 2457 m->m_pkthdr.len = m->m_len = pktlen; 2458 2459 s = splnet(); 2460 if (__predict_false(sc->sc_drvbpf != NULL)) { 2461 struct urtwn_rx_radiotap_header *tap = &sc->sc_rxtap; 2462 2463 tap->wr_flags = 0; 2464 if (!(rxdw3 & R92C_RXDW3_HT)) { 2465 switch (rate) { 2466 /* CCK. */ 2467 case 0: tap->wr_rate = 2; break; 2468 case 1: tap->wr_rate = 4; break; 2469 case 2: tap->wr_rate = 11; break; 2470 case 3: tap->wr_rate = 22; break; 2471 /* OFDM. */ 2472 case 4: tap->wr_rate = 12; break; 2473 case 5: tap->wr_rate = 18; break; 2474 case 6: tap->wr_rate = 24; break; 2475 case 7: tap->wr_rate = 36; break; 2476 case 8: tap->wr_rate = 48; break; 2477 case 9: tap->wr_rate = 72; break; 2478 case 10: tap->wr_rate = 96; break; 2479 case 11: tap->wr_rate = 108; break; 2480 } 2481 } else if (rate >= 12) { /* MCS0~15. */ 2482 /* Bit 7 set means HT MCS instead of rate. */ 2483 tap->wr_rate = 0x80 | (rate - 12); 2484 } 2485 tap->wr_dbm_antsignal = rssi; 2486 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 2487 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 2488 2489 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m, BPF_D_IN); 2490 } 2491 2492 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 2493 2494 /* push the frame up to the 802.11 stack */ 2495 ieee80211_input(ic, m, ni, rssi, 0); 2496 2497 /* Node is no longer needed. */ 2498 ieee80211_free_node(ni); 2499 2500 splx(s); 2501 } 2502 2503 static void 2504 urtwn_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 2505 { 2506 struct urtwn_rx_data *data = priv; 2507 struct urtwn_softc *sc = data->sc; 2508 struct r92c_rx_desc_usb *stat; 2509 size_t pidx = data->pidx; 2510 uint32_t rxdw0; 2511 uint8_t *buf; 2512 int len, totlen, pktlen, infosz, npkts; 2513 2514 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 2515 DPRINTFN(DBG_RX, "status=%jd", status, 0, 0, 0); 2516 2517 mutex_enter(&sc->sc_rx_mtx); 2518 TAILQ_REMOVE(&sc->rx_free_list[pidx], data, next); 2519 TAILQ_INSERT_TAIL(&sc->rx_free_list[pidx], data, next); 2520 /* Put this Rx buffer back to our free list. */ 2521 mutex_exit(&sc->sc_rx_mtx); 2522 2523 if (__predict_false(status != USBD_NORMAL_COMPLETION)) { 2524 if (status == USBD_STALLED) 2525 usbd_clear_endpoint_stall_async(sc->rx_pipe[pidx]); 2526 else if (status != USBD_CANCELLED) 2527 goto resubmit; 2528 return; 2529 } 2530 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2531 2532 if (__predict_false(len < (int)sizeof(*stat))) { 2533 DPRINTFN(DBG_RX, "xfer too short %jd", len, 0, 0, 0); 2534 goto resubmit; 2535 } 2536 buf = data->buf; 2537 2538 /* Get the number of encapsulated frames. */ 2539 stat = (struct r92c_rx_desc_usb *)buf; 2540 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 2541 npkts = MS(le32toh(stat->rxdw2), R92E_RXDW2_PKTCNT); 2542 else 2543 npkts = MS(le32toh(stat->rxdw2), R92C_RXDW2_PKTCNT); 2544 DPRINTFN(DBG_RX, "Rx %jd frames in one chunk", npkts, 0, 0, 0); 2545 2546 if (npkts != 0) 2547 rnd_add_uint32(&sc->rnd_source, npkts); 2548 2549 /* Process all of them. */ 2550 while (npkts-- > 0) { 2551 if (__predict_false(len < (int)sizeof(*stat))) { 2552 DPRINTFN(DBG_RX, "len(%jd) is short than header", 2553 len, 0, 0, 0); 2554 break; 2555 } 2556 stat = (struct r92c_rx_desc_usb *)buf; 2557 rxdw0 = le32toh(stat->rxdw0); 2558 2559 pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); 2560 if (__predict_false(pktlen == 0)) { 2561 DPRINTFN(DBG_RX, "pktlen is 0 byte", 0, 0, 0, 0); 2562 break; 2563 } 2564 2565 infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 2566 2567 /* Make sure everything fits in xfer. */ 2568 totlen = sizeof(*stat) + infosz + pktlen; 2569 if (__predict_false(totlen > len)) { 2570 DPRINTFN(DBG_RX, "pktlen (%jd+%jd+%jd) > %jd", 2571 (int)sizeof(*stat), infosz, pktlen, len); 2572 break; 2573 } 2574 2575 /* Process 802.11 frame. */ 2576 urtwn_rx_frame(sc, buf, pktlen); 2577 2578 /* Next chunk is 128-byte aligned. */ 2579 totlen = roundup2(totlen, 128); 2580 buf += totlen; 2581 len -= totlen; 2582 } 2583 2584 resubmit: 2585 /* Setup a new transfer. */ 2586 usbd_setup_xfer(xfer, data, data->buf, URTWN_RXBUFSZ, 2587 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, urtwn_rxeof); 2588 (void)usbd_transfer(xfer); 2589 } 2590 2591 static void 2592 urtwn_put_tx_data(struct urtwn_softc *sc, struct urtwn_tx_data *data) 2593 { 2594 size_t pidx = data->pidx; 2595 2596 mutex_enter(&sc->sc_tx_mtx); 2597 /* Put this Tx buffer back to our free list. */ 2598 TAILQ_INSERT_TAIL(&sc->tx_free_list[pidx], data, next); 2599 mutex_exit(&sc->sc_tx_mtx); 2600 } 2601 2602 static void 2603 urtwn_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 2604 { 2605 struct urtwn_tx_data *data = priv; 2606 struct urtwn_softc *sc = data->sc; 2607 struct ifnet *ifp = &sc->sc_if; 2608 size_t pidx = data->pidx; 2609 int s; 2610 2611 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 2612 DPRINTFN(DBG_TX, "status=%jd", status, 0, 0, 0); 2613 2614 urtwn_put_tx_data(sc, data); 2615 2616 s = splnet(); 2617 sc->tx_timer = 0; 2618 ifp->if_flags &= ~IFF_OACTIVE; 2619 2620 if (__predict_false(status != USBD_NORMAL_COMPLETION)) { 2621 if (status != USBD_NOT_STARTED && status != USBD_CANCELLED) { 2622 if (status == USBD_STALLED) { 2623 struct usbd_pipe *pipe = sc->tx_pipe[pidx]; 2624 usbd_clear_endpoint_stall_async(pipe); 2625 } 2626 device_printf(sc->sc_dev, "device error %s\n", 2627 usbd_errstr(status)); 2628 if_statinc(ifp, if_oerrors); 2629 } 2630 splx(s); 2631 return; 2632 } 2633 2634 if_statinc(ifp, if_opackets); 2635 urtwn_start(ifp); 2636 splx(s); 2637 2638 } 2639 2640 static int 2641 urtwn_tx(struct urtwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2642 struct urtwn_tx_data *data) 2643 { 2644 struct ieee80211com *ic = &sc->sc_ic; 2645 struct ieee80211_frame *wh; 2646 struct ieee80211_key *k = NULL; 2647 struct r92c_tx_desc_usb *txd; 2648 size_t i, padsize, xferlen, txd_len; 2649 uint16_t seq, sum; 2650 uint8_t raid, type, tid; 2651 int s, hasqos, error; 2652 2653 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 2654 2655 wh = mtod(m, struct ieee80211_frame *); 2656 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2657 txd_len = sizeof(*txd); 2658 2659 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) 2660 txd_len = 32; 2661 2662 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2663 k = ieee80211_crypto_encap(ic, ni, m); 2664 if (k == NULL) { 2665 urtwn_put_tx_data(sc, data); 2666 m_free(m); 2667 return ENOBUFS; 2668 } 2669 2670 /* packet header may have moved, reset our local pointer */ 2671 wh = mtod(m, struct ieee80211_frame *); 2672 } 2673 2674 if (__predict_false(sc->sc_drvbpf != NULL)) { 2675 struct urtwn_tx_radiotap_header *tap = &sc->sc_txtap; 2676 2677 tap->wt_flags = 0; 2678 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2679 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2680 if (wh->i_fc[1] & IEEE80211_FC1_WEP) 2681 tap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2682 2683 /* XXX: set tap->wt_rate? */ 2684 2685 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m, BPF_D_OUT); 2686 } 2687 2688 /* non-qos data frames */ 2689 tid = R92C_TXDW1_QSEL_BE; 2690 if ((hasqos = ieee80211_has_qos(wh))) { 2691 /* data frames in 11n mode */ 2692 struct ieee80211_qosframe *qwh = (void *)wh; 2693 tid = qwh->i_qos[0] & IEEE80211_QOS_TID; 2694 } else if (type != IEEE80211_FC0_TYPE_DATA) { 2695 tid = R92C_TXDW1_QSEL_MGNT; 2696 } 2697 2698 if (((txd_len + m->m_pkthdr.len) % 64) == 0) /* XXX: 64 */ 2699 padsize = 8; 2700 else 2701 padsize = 0; 2702 2703 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 2704 padsize = 0; 2705 2706 /* Fill Tx descriptor. */ 2707 txd = (struct r92c_tx_desc_usb *)data->buf; 2708 memset(txd, 0, txd_len + padsize); 2709 2710 txd->txdw0 |= htole32( 2711 SM(R92C_TXDW0_PKTLEN, m->m_pkthdr.len) | 2712 SM(R92C_TXDW0_OFFSET, txd_len)); 2713 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) { 2714 txd->txdw0 |= htole32( 2715 R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 2716 } 2717 2718 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2719 txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 2720 2721 /* fix pad field */ 2722 if (padsize > 0) { 2723 DPRINTFN(DBG_TX, "padding: size=%jd", padsize, 0, 0, 0); 2724 txd->txdw1 |= htole32(SM(R92C_TXDW1_PKTOFF, (padsize / 8))); 2725 } 2726 2727 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 2728 type == IEEE80211_FC0_TYPE_DATA) { 2729 if (ic->ic_curmode == IEEE80211_MODE_11B) 2730 raid = R92C_RAID_11B; 2731 else 2732 raid = R92C_RAID_11BG; 2733 DPRINTFN(DBG_TX, "data packet: tid=%jd, raid=%jd", 2734 tid, raid, 0, 0); 2735 2736 if (!ISSET(sc->chip, URTWN_CHIP_92C)) { 2737 txd->txdw1 |= htole32( 2738 SM(R88E_TXDW1_MACID, RTWN_MACID_BSS) | 2739 SM(R92C_TXDW1_QSEL, tid) | 2740 SM(R92C_TXDW1_RAID, raid) | 2741 R92C_TXDW1_AGGBK); 2742 } else 2743 txd->txdw1 |= htole32( 2744 SM(R92C_TXDW1_MACID, RTWN_MACID_BSS) | 2745 SM(R92C_TXDW1_QSEL, tid) | 2746 SM(R92C_TXDW1_RAID, raid) | 2747 R92C_TXDW1_AGGBK); 2748 2749 if (ISSET(sc->chip, URTWN_CHIP_88E)) 2750 txd->txdw2 |= htole32(R88E_TXDW2_AGGBK); 2751 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 2752 txd->txdw3 |= htole32(R92E_TXDW3_AGGBK); 2753 2754 if (hasqos) { 2755 txd->txdw4 |= htole32(R92C_TXDW4_QOS); 2756 } 2757 2758 if (ic->ic_flags & IEEE80211_F_USEPROT) { 2759 /* for 11g */ 2760 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 2761 txd->txdw4 |= htole32(R92C_TXDW4_CTS2SELF | 2762 R92C_TXDW4_HWRTSEN); 2763 } else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) { 2764 txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 2765 R92C_TXDW4_HWRTSEN); 2766 } 2767 } 2768 /* Send RTS at OFDM24. */ 2769 txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, 8)); 2770 txd->txdw5 |= htole32(0x0001ff00); 2771 /* Send data at OFDM54. */ 2772 if (ISSET(sc->chip, URTWN_CHIP_88E)) 2773 txd->txdw5 |= htole32(0x13 & 0x3f); 2774 else 2775 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 11)); 2776 } else if (type == IEEE80211_FC0_TYPE_MGT) { 2777 DPRINTFN(DBG_TX, "mgmt packet", 0, 0, 0, 0); 2778 txd->txdw1 |= htole32( 2779 SM(R92C_TXDW1_MACID, RTWN_MACID_BSS) | 2780 SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_MGNT) | 2781 SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 2782 2783 /* Force CCK1. */ 2784 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 2785 /* Use 1Mbps */ 2786 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 2787 } else { 2788 /* broadcast or multicast packets */ 2789 DPRINTFN(DBG_TX, "bc or mc packet", 0, 0, 0, 0); 2790 txd->txdw1 |= htole32( 2791 SM(R92C_TXDW1_MACID, RTWN_MACID_BC) | 2792 SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 2793 2794 /* Force CCK1. */ 2795 txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 2796 /* Use 1Mbps */ 2797 txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 2798 } 2799 /* Set sequence number */ 2800 seq = LE_READ_2(&wh->i_seq[0]) >> IEEE80211_SEQ_SEQ_SHIFT; 2801 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) { 2802 txd->txdseq |= htole16(seq); 2803 2804 if (!hasqos) { 2805 /* Use HW sequence numbering for non-QoS frames. */ 2806 txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ); 2807 txd->txdseq |= htole16(R92C_HWSEQ_EN); 2808 } 2809 } else { 2810 txd->txdseq2 |= htole16((seq & R92E_HWSEQ_MASK) << 2811 R92E_HWSEQ_SHIFT); 2812 if (!hasqos) { 2813 /* Use HW sequence numbering for non-QoS frames. */ 2814 txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ); 2815 txd->txdw7 |= htole16(R92C_HWSEQ_EN); 2816 } 2817 } 2818 2819 /* Compute Tx descriptor checksum. */ 2820 sum = 0; 2821 for (i = 0; i < R92C_TXDESC_SUMSIZE / 2; i++) 2822 sum ^= ((uint16_t *)txd)[i]; 2823 txd->txdsum = sum; /* NB: already little endian. */ 2824 2825 xferlen = txd_len + m->m_pkthdr.len + padsize; 2826 m_copydata(m, 0, m->m_pkthdr.len, (char *)&txd[0] + txd_len + padsize); 2827 2828 s = splnet(); 2829 usbd_setup_xfer(data->xfer, data, data->buf, xferlen, 2830 USBD_FORCE_SHORT_XFER, URTWN_TX_TIMEOUT, 2831 urtwn_txeof); 2832 error = usbd_transfer(data->xfer); 2833 if (__predict_false(error != USBD_NORMAL_COMPLETION && 2834 error != USBD_IN_PROGRESS)) { 2835 splx(s); 2836 DPRINTFN(DBG_TX, "transfer failed %jd", error, 0, 0, 0); 2837 return error; 2838 } 2839 splx(s); 2840 return 0; 2841 } 2842 2843 struct urtwn_tx_data * 2844 urtwn_get_tx_data(struct urtwn_softc *sc, size_t pidx) 2845 { 2846 struct urtwn_tx_data *data = NULL; 2847 2848 mutex_enter(&sc->sc_tx_mtx); 2849 if (!TAILQ_EMPTY(&sc->tx_free_list[pidx])) { 2850 data = TAILQ_FIRST(&sc->tx_free_list[pidx]); 2851 TAILQ_REMOVE(&sc->tx_free_list[pidx], data, next); 2852 } 2853 mutex_exit(&sc->sc_tx_mtx); 2854 2855 return data; 2856 } 2857 2858 static void 2859 urtwn_start(struct ifnet *ifp) 2860 { 2861 struct urtwn_softc *sc = ifp->if_softc; 2862 struct ieee80211com *ic = &sc->sc_ic; 2863 struct urtwn_tx_data *data; 2864 struct ether_header *eh; 2865 struct ieee80211_node *ni; 2866 struct mbuf *m; 2867 2868 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 2869 2870 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 2871 return; 2872 2873 data = NULL; 2874 for (;;) { 2875 /* Send pending management frames first. */ 2876 IF_POLL(&ic->ic_mgtq, m); 2877 if (m != NULL) { 2878 /* Use AC_VO for management frames. */ 2879 2880 data = urtwn_get_tx_data(sc, sc->ac2idx[WME_AC_VO]); 2881 2882 if (data == NULL) { 2883 ifp->if_flags |= IFF_OACTIVE; 2884 DPRINTFN(DBG_TX, "empty tx_free_list", 2885 0, 0, 0, 0); 2886 return; 2887 } 2888 IF_DEQUEUE(&ic->ic_mgtq, m); 2889 ni = M_GETCTX(m, struct ieee80211_node *); 2890 M_CLEARCTX(m); 2891 goto sendit; 2892 } 2893 if (ic->ic_state != IEEE80211_S_RUN) 2894 break; 2895 2896 /* Encapsulate and send data frames. */ 2897 IFQ_POLL(&ifp->if_snd, m); 2898 if (m == NULL) 2899 break; 2900 2901 struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *); 2902 uint8_t type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2903 uint8_t qid = WME_AC_BE; 2904 if (ieee80211_has_qos(wh)) { 2905 /* data frames in 11n mode */ 2906 struct ieee80211_qosframe *qwh = (void *)wh; 2907 uint8_t tid = qwh->i_qos[0] & IEEE80211_QOS_TID; 2908 qid = TID_TO_WME_AC(tid); 2909 } else if (type != IEEE80211_FC0_TYPE_DATA) { 2910 qid = WME_AC_VO; 2911 } 2912 data = urtwn_get_tx_data(sc, sc->ac2idx[qid]); 2913 2914 if (data == NULL) { 2915 ifp->if_flags |= IFF_OACTIVE; 2916 DPRINTFN(DBG_TX, "empty tx_free_list", 0, 0, 0, 0); 2917 return; 2918 } 2919 IFQ_DEQUEUE(&ifp->if_snd, m); 2920 2921 if (m->m_len < (int)sizeof(*eh) && 2922 (m = m_pullup(m, sizeof(*eh))) == NULL) { 2923 device_printf(sc->sc_dev, "m_pullup failed\n"); 2924 if_statinc(ifp, if_oerrors); 2925 urtwn_put_tx_data(sc, data); 2926 m_freem(m); 2927 continue; 2928 } 2929 eh = mtod(m, struct ether_header *); 2930 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2931 if (ni == NULL) { 2932 device_printf(sc->sc_dev, 2933 "unable to find transmit node\n"); 2934 if_statinc(ifp, if_oerrors); 2935 urtwn_put_tx_data(sc, data); 2936 m_freem(m); 2937 continue; 2938 } 2939 2940 bpf_mtap(ifp, m, BPF_D_OUT); 2941 2942 if ((m = ieee80211_encap(ic, m, ni)) == NULL) { 2943 ieee80211_free_node(ni); 2944 device_printf(sc->sc_dev, 2945 "unable to encapsulate packet\n"); 2946 if_statinc(ifp, if_oerrors); 2947 urtwn_put_tx_data(sc, data); 2948 m_freem(m); 2949 continue; 2950 } 2951 sendit: 2952 bpf_mtap3(ic->ic_rawbpf, m, BPF_D_OUT); 2953 2954 if (urtwn_tx(sc, m, ni, data) != 0) { 2955 m_freem(m); 2956 ieee80211_free_node(ni); 2957 device_printf(sc->sc_dev, 2958 "unable to transmit packet\n"); 2959 if_statinc(ifp, if_oerrors); 2960 continue; 2961 } 2962 m_freem(m); 2963 ieee80211_free_node(ni); 2964 sc->tx_timer = 5; 2965 ifp->if_timer = 1; 2966 } 2967 } 2968 2969 static void 2970 urtwn_watchdog(struct ifnet *ifp) 2971 { 2972 struct urtwn_softc *sc = ifp->if_softc; 2973 2974 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 2975 2976 ifp->if_timer = 0; 2977 2978 if (sc->tx_timer > 0) { 2979 if (--sc->tx_timer == 0) { 2980 device_printf(sc->sc_dev, "device timeout\n"); 2981 /* urtwn_init(ifp); XXX needs a process context! */ 2982 if_statinc(ifp, if_oerrors); 2983 return; 2984 } 2985 ifp->if_timer = 1; 2986 } 2987 ieee80211_watchdog(&sc->sc_ic); 2988 } 2989 2990 static int 2991 urtwn_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2992 { 2993 struct urtwn_softc *sc = ifp->if_softc; 2994 struct ieee80211com *ic = &sc->sc_ic; 2995 int s, error = 0; 2996 2997 URTWNHIST_FUNC(); 2998 URTWNHIST_CALLARGS("cmd=0x%08jx, data=%#jx", cmd, (uintptr_t)data, 2999 0, 0); 3000 3001 s = splnet(); 3002 3003 switch (cmd) { 3004 case SIOCSIFFLAGS: 3005 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 3006 break; 3007 switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { 3008 case IFF_UP | IFF_RUNNING: 3009 break; 3010 case IFF_UP: 3011 urtwn_init(ifp); 3012 break; 3013 case IFF_RUNNING: 3014 urtwn_stop(ifp, 1); 3015 break; 3016 case 0: 3017 break; 3018 } 3019 break; 3020 3021 case SIOCADDMULTI: 3022 case SIOCDELMULTI: 3023 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { 3024 /* setup multicast filter, etc */ 3025 error = 0; 3026 } 3027 break; 3028 3029 case SIOCS80211CHANNEL: 3030 /* 3031 * This allows for fast channel switching in monitor mode 3032 * (used by kismet). In IBSS mode, we must explicitly reset 3033 * the interface to generate a new beacon frame. 3034 */ 3035 error = ieee80211_ioctl(ic, cmd, data); 3036 if (error == ENETRESET && 3037 ic->ic_opmode == IEEE80211_M_MONITOR) { 3038 urtwn_set_chan(sc, ic->ic_curchan, 3039 IEEE80211_HTINFO_2NDCHAN_NONE); 3040 error = 0; 3041 } 3042 break; 3043 3044 default: 3045 error = ieee80211_ioctl(ic, cmd, data); 3046 break; 3047 } 3048 if (error == ENETRESET) { 3049 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 3050 (IFF_UP | IFF_RUNNING) && 3051 ic->ic_roaming != IEEE80211_ROAMING_MANUAL) { 3052 urtwn_init(ifp); 3053 } 3054 error = 0; 3055 } 3056 3057 splx(s); 3058 3059 return error; 3060 } 3061 3062 static __inline int 3063 urtwn_power_on(struct urtwn_softc *sc) 3064 { 3065 3066 return sc->sc_power_on(sc); 3067 } 3068 3069 static int 3070 urtwn_r92c_power_on(struct urtwn_softc *sc) 3071 { 3072 uint32_t reg; 3073 int ntries; 3074 3075 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3076 3077 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3078 3079 /* Wait for autoload done bit. */ 3080 for (ntries = 0; ntries < 1000; ntries++) { 3081 if (urtwn_read_1(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_PFM_ALDN) 3082 break; 3083 DELAY(5); 3084 } 3085 if (ntries == 1000) { 3086 aprint_error_dev(sc->sc_dev, 3087 "timeout waiting for chip autoload\n"); 3088 return ETIMEDOUT; 3089 } 3090 3091 /* Unlock ISO/CLK/Power control register. */ 3092 urtwn_write_1(sc, R92C_RSV_CTRL, 0); 3093 DELAY(5); 3094 /* Move SPS into PWM mode. */ 3095 urtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b); 3096 DELAY(5); 3097 3098 reg = urtwn_read_1(sc, R92C_LDOV12D_CTRL); 3099 if (!(reg & R92C_LDOV12D_CTRL_LDV12_EN)) { 3100 urtwn_write_1(sc, R92C_LDOV12D_CTRL, 3101 reg | R92C_LDOV12D_CTRL_LDV12_EN); 3102 DELAY(100); 3103 urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 3104 urtwn_read_1(sc, R92C_SYS_ISO_CTRL) & 3105 ~R92C_SYS_ISO_CTRL_MD2PP); 3106 } 3107 3108 /* Auto enable WLAN. */ 3109 urtwn_write_2(sc, R92C_APS_FSMCO, 3110 urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 3111 for (ntries = 0; ntries < 1000; ntries++) { 3112 if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 3113 R92C_APS_FSMCO_APFM_ONMAC)) 3114 break; 3115 DELAY(100); 3116 } 3117 if (ntries == 1000) { 3118 aprint_error_dev(sc->sc_dev, 3119 "timeout waiting for MAC auto ON\n"); 3120 return ETIMEDOUT; 3121 } 3122 3123 /* Enable radio, GPIO and LED functions. */ 3124 KASSERT((R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_PDN_EN | 3125 R92C_APS_FSMCO_PFM_ALDN) == 0x0812); 3126 urtwn_write_2(sc, R92C_APS_FSMCO, 3127 R92C_APS_FSMCO_AFSM_HSUS | 3128 R92C_APS_FSMCO_PDN_EN | 3129 R92C_APS_FSMCO_PFM_ALDN); 3130 3131 /* Release RF digital isolation. */ 3132 urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 3133 urtwn_read_2(sc, R92C_SYS_ISO_CTRL) & ~R92C_SYS_ISO_CTRL_DIOR); 3134 3135 /* Initialize MAC. */ 3136 urtwn_write_1(sc, R92C_APSD_CTRL, 3137 urtwn_read_1(sc, R92C_APSD_CTRL) & ~R92C_APSD_CTRL_OFF); 3138 for (ntries = 0; ntries < 200; ntries++) { 3139 if (!(urtwn_read_1(sc, R92C_APSD_CTRL) & 3140 R92C_APSD_CTRL_OFF_STATUS)) 3141 break; 3142 DELAY(5); 3143 } 3144 if (ntries == 200) { 3145 aprint_error_dev(sc->sc_dev, 3146 "timeout waiting for MAC initialization\n"); 3147 return ETIMEDOUT; 3148 } 3149 3150 /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 3151 reg = urtwn_read_2(sc, R92C_CR); 3152 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3153 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 3154 R92C_CR_SCHEDULE_EN | R92C_CR_MACTXEN | R92C_CR_MACRXEN | 3155 R92C_CR_ENSEC; 3156 urtwn_write_2(sc, R92C_CR, reg); 3157 3158 urtwn_write_1(sc, 0xfe10, 0x19); 3159 3160 urtwn_delay_ms(sc, 1); 3161 3162 return 0; 3163 } 3164 3165 static int 3166 urtwn_r92e_power_on(struct urtwn_softc *sc) 3167 { 3168 uint32_t reg; 3169 uint32_t val; 3170 int ntries; 3171 3172 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3173 3174 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3175 3176 /* Enable radio, GPIO and LED functions. */ 3177 KASSERT((R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_PDN_EN | 3178 R92C_APS_FSMCO_PFM_ALDN) == 0x0812); 3179 urtwn_write_2(sc, R92C_APS_FSMCO, 3180 R92C_APS_FSMCO_AFSM_HSUS | 3181 R92C_APS_FSMCO_PDN_EN | 3182 R92C_APS_FSMCO_PFM_ALDN); 3183 3184 if (urtwn_read_4(sc, R92E_SYS_CFG1_8192E) & R92E_SPSLDO_SEL){ 3185 /* LDO. */ 3186 urtwn_write_1(sc, R92E_LDO_SWR_CTRL, 0xc3); 3187 } 3188 else { 3189 urtwn_write_2(sc, R92C_SYS_SWR_CTRL2, urtwn_read_2(sc, 3190 R92C_SYS_SWR_CTRL2) & 0xffff); 3191 urtwn_write_1(sc, R92E_LDO_SWR_CTRL, 0x83); 3192 } 3193 3194 for (ntries = 0; ntries < 2; ntries++) { 3195 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 3196 urtwn_read_1(sc, R92C_AFE_PLL_CTRL)); 3197 urtwn_write_2(sc, R92C_AFE_CTRL4, urtwn_read_2(sc, 3198 R92C_AFE_CTRL4)); 3199 } 3200 3201 /* Reset BB. */ 3202 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3203 urtwn_read_1(sc, R92C_SYS_FUNC_EN) & ~(R92C_SYS_FUNC_EN_BBRSTB | 3204 R92C_SYS_FUNC_EN_BB_GLB_RST)); 3205 3206 urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 2, urtwn_read_1(sc, 3207 R92C_AFE_XTAL_CTRL + 2) | 0x80); 3208 3209 /* Disable HWPDN. */ 3210 urtwn_write_2(sc, R92C_APS_FSMCO, urtwn_read_2(sc, 3211 R92C_APS_FSMCO) & ~R92C_APS_FSMCO_APDM_HPDN); 3212 3213 /* Disable WL suspend. */ 3214 urtwn_write_2(sc, R92C_APS_FSMCO, urtwn_read_2(sc, 3215 R92C_APS_FSMCO) & ~(R92C_APS_FSMCO_AFSM_PCIE | 3216 R92C_APS_FSMCO_AFSM_HSUS)); 3217 3218 urtwn_write_4(sc, R92C_APS_FSMCO, urtwn_read_4(sc, 3219 R92C_APS_FSMCO) | R92C_APS_FSMCO_RDY_MACON); 3220 urtwn_write_2(sc, R92C_APS_FSMCO, urtwn_read_2(sc, 3221 R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 3222 for (ntries = 0; ntries < 10000; ntries++) { 3223 val = urtwn_read_2(sc, R92C_APS_FSMCO) & 3224 R92C_APS_FSMCO_APFM_ONMAC; 3225 if (val == 0x0) 3226 break; 3227 DELAY(10); 3228 } 3229 if (ntries == 10000) { 3230 aprint_error_dev(sc->sc_dev, 3231 "timeout waiting for chip power up\n"); 3232 return ETIMEDOUT; 3233 } 3234 3235 urtwn_write_2(sc, R92C_CR, 0x00); 3236 reg = urtwn_read_2(sc, R92C_CR); 3237 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3238 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 3239 R92C_CR_SCHEDULE_EN | R92C_CR_ENSEC; 3240 urtwn_write_2(sc, R92C_CR, reg); 3241 3242 return 0; 3243 } 3244 3245 static int 3246 urtwn_r88e_power_on(struct urtwn_softc *sc) 3247 { 3248 uint32_t reg; 3249 uint8_t val; 3250 int ntries; 3251 3252 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3253 3254 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3255 3256 /* Wait for power ready bit. */ 3257 for (ntries = 0; ntries < 5000; ntries++) { 3258 val = urtwn_read_1(sc, 0x6) & 0x2; 3259 if (val == 0x2) 3260 break; 3261 DELAY(10); 3262 } 3263 if (ntries == 5000) { 3264 aprint_error_dev(sc->sc_dev, 3265 "timeout waiting for chip power up\n"); 3266 return ETIMEDOUT; 3267 } 3268 3269 /* Reset BB. */ 3270 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3271 urtwn_read_1(sc, R92C_SYS_FUNC_EN) & ~(R92C_SYS_FUNC_EN_BBRSTB | 3272 R92C_SYS_FUNC_EN_BB_GLB_RST)); 3273 3274 urtwn_write_1(sc, 0x26, urtwn_read_1(sc, 0x26) | 0x80); 3275 3276 /* Disable HWPDN. */ 3277 urtwn_write_1(sc, 0x5, urtwn_read_1(sc, 0x5) & ~0x80); 3278 3279 /* Disable WL suspend. */ 3280 urtwn_write_1(sc, 0x5, urtwn_read_1(sc, 0x5) & ~0x18); 3281 3282 urtwn_write_1(sc, 0x5, urtwn_read_1(sc, 0x5) | 0x1); 3283 for (ntries = 0; ntries < 5000; ntries++) { 3284 if (!(urtwn_read_1(sc, 0x5) & 0x1)) 3285 break; 3286 DELAY(10); 3287 } 3288 if (ntries == 5000) 3289 return ETIMEDOUT; 3290 3291 /* Enable LDO normal mode. */ 3292 urtwn_write_1(sc, 0x23, urtwn_read_1(sc, 0x23) & ~0x10); 3293 3294 /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 3295 urtwn_write_2(sc, R92C_CR, 0); 3296 reg = urtwn_read_2(sc, R92C_CR); 3297 reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 3298 R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 3299 R92C_CR_SCHEDULE_EN | R92C_CR_ENSEC | R92C_CR_CALTMR_EN; 3300 urtwn_write_2(sc, R92C_CR, reg); 3301 3302 return 0; 3303 } 3304 3305 static int __noinline 3306 urtwn_llt_init(struct urtwn_softc *sc) 3307 { 3308 size_t i, page_count, pktbuf_count; 3309 uint32_t val; 3310 int error; 3311 3312 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3313 3314 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3315 3316 if (sc->chip & URTWN_CHIP_88E) 3317 page_count = R88E_TX_PAGE_COUNT; 3318 else if (sc->chip & URTWN_CHIP_92EU) 3319 page_count = R92E_TX_PAGE_COUNT; 3320 else 3321 page_count = R92C_TX_PAGE_COUNT; 3322 if (sc->chip & URTWN_CHIP_88E) 3323 pktbuf_count = R88E_TXPKTBUF_COUNT; 3324 else if (sc->chip & URTWN_CHIP_92EU) 3325 pktbuf_count = R88E_TXPKTBUF_COUNT; 3326 else 3327 pktbuf_count = R92C_TXPKTBUF_COUNT; 3328 3329 if (sc->chip & URTWN_CHIP_92EU) { 3330 val = urtwn_read_4(sc, R92E_AUTO_LLT) | R92E_AUTO_LLT_EN; 3331 urtwn_write_4(sc, R92E_AUTO_LLT, val); 3332 DELAY(100); 3333 val = urtwn_read_4(sc, R92E_AUTO_LLT); 3334 if (val & R92E_AUTO_LLT_EN) 3335 return EIO; 3336 return 0; 3337 } 3338 3339 /* Reserve pages [0; page_count]. */ 3340 for (i = 0; i < page_count; i++) { 3341 if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 3342 return error; 3343 } 3344 /* NB: 0xff indicates end-of-list. */ 3345 if ((error = urtwn_llt_write(sc, i, 0xff)) != 0) 3346 return error; 3347 /* 3348 * Use pages [page_count + 1; pktbuf_count - 1] 3349 * as ring buffer. 3350 */ 3351 for (++i; i < pktbuf_count - 1; i++) { 3352 if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 3353 return error; 3354 } 3355 /* Make the last page point to the beginning of the ring buffer. */ 3356 error = urtwn_llt_write(sc, i, pktbuf_count + 1); 3357 return error; 3358 } 3359 3360 static void 3361 urtwn_fw_reset(struct urtwn_softc *sc) 3362 { 3363 uint16_t reg; 3364 int ntries; 3365 3366 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3367 3368 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3369 3370 /* Tell 8051 to reset itself. */ 3371 mutex_enter(&sc->sc_fwcmd_mtx); 3372 urtwn_write_1(sc, R92C_HMETFR + 3, 0x20); 3373 sc->fwcur = 0; 3374 mutex_exit(&sc->sc_fwcmd_mtx); 3375 3376 /* Wait until 8051 resets by itself. */ 3377 for (ntries = 0; ntries < 100; ntries++) { 3378 reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 3379 if (!(reg & R92C_SYS_FUNC_EN_CPUEN)) 3380 return; 3381 DELAY(50); 3382 } 3383 /* Force 8051 reset. */ 3384 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 3385 urtwn_read_2(sc, R92C_SYS_FUNC_EN) & ~R92C_SYS_FUNC_EN_CPUEN); 3386 } 3387 3388 static void 3389 urtwn_r88e_fw_reset(struct urtwn_softc *sc) 3390 { 3391 uint16_t reg; 3392 3393 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3394 3395 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3396 3397 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 3398 reg = urtwn_read_2(sc, R92C_RSV_CTRL) & ~R92E_RSV_MIO_EN; 3399 urtwn_write_2(sc,R92C_RSV_CTRL, reg); 3400 } 3401 DELAY(50); 3402 3403 reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 3404 urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN); 3405 DELAY(50); 3406 3407 urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg | R92C_SYS_FUNC_EN_CPUEN); 3408 DELAY(50); 3409 3410 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 3411 reg = urtwn_read_2(sc, R92C_RSV_CTRL) | R92E_RSV_MIO_EN; 3412 urtwn_write_2(sc,R92C_RSV_CTRL, reg); 3413 } 3414 DELAY(50); 3415 3416 mutex_enter(&sc->sc_fwcmd_mtx); 3417 /* Init firmware commands ring. */ 3418 sc->fwcur = 0; 3419 mutex_exit(&sc->sc_fwcmd_mtx); 3420 3421 } 3422 3423 static int 3424 urtwn_fw_loadpage(struct urtwn_softc *sc, int page, uint8_t *buf, int len) 3425 { 3426 uint32_t reg; 3427 int off, mlen, error = 0; 3428 3429 URTWNHIST_FUNC(); 3430 URTWNHIST_CALLARGS("page=%jd, buf=%#jx, len=%jd", 3431 page, (uintptr_t)buf, len, 0); 3432 3433 reg = urtwn_read_4(sc, R92C_MCUFWDL); 3434 reg = RW(reg, R92C_MCUFWDL_PAGE, page); 3435 urtwn_write_4(sc, R92C_MCUFWDL, reg); 3436 3437 off = R92C_FW_START_ADDR; 3438 while (len > 0) { 3439 if (len > 196) 3440 mlen = 196; 3441 else if (len > 4) 3442 mlen = 4; 3443 else 3444 mlen = 1; 3445 error = urtwn_write_region(sc, off, buf, mlen); 3446 if (error != 0) 3447 break; 3448 off += mlen; 3449 buf += mlen; 3450 len -= mlen; 3451 } 3452 return error; 3453 } 3454 3455 static int __noinline 3456 urtwn_load_firmware(struct urtwn_softc *sc) 3457 { 3458 firmware_handle_t fwh; 3459 const struct r92c_fw_hdr *hdr; 3460 const char *name; 3461 u_char *fw, *ptr; 3462 size_t len; 3463 uint32_t reg; 3464 int mlen, ntries, page, error; 3465 3466 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3467 3468 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3469 3470 /* Read firmware image from the filesystem. */ 3471 if (ISSET(sc->chip, URTWN_CHIP_88E)) 3472 name = "rtl8188eufw.bin"; 3473 else if (ISSET(sc->chip, URTWN_CHIP_92EU)) 3474 name = "rtl8192eefw.bin"; 3475 else if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 3476 URTWN_CHIP_UMC_A_CUT) 3477 name = "rtl8192cfwU.bin"; 3478 else 3479 name = "rtl8192cfw.bin"; 3480 if ((error = firmware_open("if_urtwn", name, &fwh)) != 0) { 3481 aprint_error_dev(sc->sc_dev, 3482 "failed load firmware of file %s (error %d)\n", name, 3483 error); 3484 return error; 3485 } 3486 const size_t fwlen = len = firmware_get_size(fwh); 3487 fw = firmware_malloc(len); 3488 if (fw == NULL) { 3489 aprint_error_dev(sc->sc_dev, 3490 "failed to allocate firmware memory\n"); 3491 firmware_close(fwh); 3492 return ENOMEM; 3493 } 3494 error = firmware_read(fwh, 0, fw, len); 3495 firmware_close(fwh); 3496 if (error != 0) { 3497 aprint_error_dev(sc->sc_dev, 3498 "failed to read firmware (error %d)\n", error); 3499 firmware_free(fw, fwlen); 3500 return error; 3501 } 3502 3503 len = fwlen; 3504 ptr = fw; 3505 hdr = (const struct r92c_fw_hdr *)ptr; 3506 /* Check if there is a valid FW header and skip it. */ 3507 if ((le16toh(hdr->signature) >> 4) == 0x88c || 3508 (le16toh(hdr->signature) >> 4) == 0x88e || 3509 (le16toh(hdr->signature) >> 4) == 0x92e || 3510 (le16toh(hdr->signature) >> 4) == 0x92c) { 3511 DPRINTFN(DBG_INIT, "FW V%jd.%jd", 3512 le16toh(hdr->version), le16toh(hdr->subversion), 0, 0); 3513 DPRINTFN(DBG_INIT, "%02jd-%02jd %02jd:%02jd", 3514 hdr->month, hdr->date, hdr->hour, hdr->minute); 3515 ptr += sizeof(*hdr); 3516 len -= sizeof(*hdr); 3517 } 3518 3519 if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RAM_DL_SEL) { 3520 /* Reset MCU ready status */ 3521 urtwn_write_1(sc, R92C_MCUFWDL, 0); 3522 if (ISSET(sc->chip, URTWN_CHIP_88E) || 3523 ISSET(sc->chip, URTWN_CHIP_92EU)) 3524 urtwn_r88e_fw_reset(sc); 3525 else 3526 urtwn_fw_reset(sc); 3527 } 3528 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 3529 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 3530 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 3531 urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 3532 R92C_SYS_FUNC_EN_CPUEN); 3533 } 3534 3535 /* download enabled */ 3536 urtwn_write_1(sc, R92C_MCUFWDL, 3537 urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_EN); 3538 urtwn_write_1(sc, R92C_MCUFWDL + 2, 3539 urtwn_read_1(sc, R92C_MCUFWDL + 2) & ~0x08); 3540 3541 /* Reset the FWDL checksum. */ 3542 urtwn_write_1(sc, R92C_MCUFWDL, 3543 urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_CHKSUM_RPT); 3544 3545 DELAY(50); 3546 /* download firmware */ 3547 for (page = 0; len > 0; page++) { 3548 mlen = MIN(len, R92C_FW_PAGE_SIZE); 3549 error = urtwn_fw_loadpage(sc, page, ptr, mlen); 3550 if (error != 0) { 3551 aprint_error_dev(sc->sc_dev, 3552 "could not load firmware page %d\n", page); 3553 goto fail; 3554 } 3555 ptr += mlen; 3556 len -= mlen; 3557 } 3558 3559 /* download disable */ 3560 urtwn_write_1(sc, R92C_MCUFWDL, 3561 urtwn_read_1(sc, R92C_MCUFWDL) & ~R92C_MCUFWDL_EN); 3562 urtwn_write_1(sc, R92C_MCUFWDL + 1, 0); 3563 3564 /* Wait for checksum report. */ 3565 for (ntries = 0; ntries < 1000; ntries++) { 3566 if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_CHKSUM_RPT) 3567 break; 3568 DELAY(5); 3569 } 3570 if (ntries == 1000) { 3571 aprint_error_dev(sc->sc_dev, 3572 "timeout waiting for checksum report\n"); 3573 error = ETIMEDOUT; 3574 goto fail; 3575 } 3576 3577 /* Wait for firmware readiness. */ 3578 reg = urtwn_read_4(sc, R92C_MCUFWDL); 3579 reg = (reg & ~R92C_MCUFWDL_WINTINI_RDY) | R92C_MCUFWDL_RDY; 3580 urtwn_write_4(sc, R92C_MCUFWDL, reg); 3581 if (ISSET(sc->chip, URTWN_CHIP_88E) || 3582 ISSET(sc->chip, URTWN_CHIP_92EU)) 3583 urtwn_r88e_fw_reset(sc); 3584 for (ntries = 0; ntries < 6000; ntries++) { 3585 if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_WINTINI_RDY) 3586 break; 3587 DELAY(5); 3588 } 3589 if (ntries == 6000) { 3590 aprint_error_dev(sc->sc_dev, 3591 "timeout waiting for firmware readiness\n"); 3592 error = ETIMEDOUT; 3593 goto fail; 3594 } 3595 fail: 3596 firmware_free(fw, fwlen); 3597 return error; 3598 } 3599 3600 static __inline int 3601 urtwn_dma_init(struct urtwn_softc *sc) 3602 { 3603 3604 return sc->sc_dma_init(sc); 3605 } 3606 3607 static int 3608 urtwn_r92c_dma_init(struct urtwn_softc *sc) 3609 { 3610 int hashq, hasnq, haslq, nqueues, nqpages, nrempages; 3611 uint32_t reg; 3612 int error; 3613 3614 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3615 3616 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3617 3618 /* Initialize LLT table. */ 3619 error = urtwn_llt_init(sc); 3620 if (error != 0) 3621 return error; 3622 3623 /* Get Tx queues to USB endpoints mapping. */ 3624 hashq = hasnq = haslq = 0; 3625 reg = urtwn_read_2(sc, R92C_USB_EP + 1); 3626 DPRINTFN(DBG_INIT, "USB endpoints mapping %#jx", reg, 0, 0, 0); 3627 if (MS(reg, R92C_USB_EP_HQ) != 0) 3628 hashq = 1; 3629 if (MS(reg, R92C_USB_EP_NQ) != 0) 3630 hasnq = 1; 3631 if (MS(reg, R92C_USB_EP_LQ) != 0) 3632 haslq = 1; 3633 nqueues = hashq + hasnq + haslq; 3634 if (nqueues == 0) 3635 return EIO; 3636 /* Get the number of pages for each queue. */ 3637 nqpages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) / nqueues; 3638 /* The remaining pages are assigned to the high priority queue. */ 3639 nrempages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) % nqueues; 3640 3641 /* Set number of pages for normal priority queue. */ 3642 urtwn_write_1(sc, R92C_RQPN_NPQ, hasnq ? nqpages : 0); 3643 urtwn_write_4(sc, R92C_RQPN, 3644 /* Set number of pages for public queue. */ 3645 SM(R92C_RQPN_PUBQ, R92C_PUBQ_NPAGES) | 3646 /* Set number of pages for high priority queue. */ 3647 SM(R92C_RQPN_HPQ, hashq ? nqpages + nrempages : 0) | 3648 /* Set number of pages for low priority queue. */ 3649 SM(R92C_RQPN_LPQ, haslq ? nqpages : 0) | 3650 /* Load values. */ 3651 R92C_RQPN_LD); 3652 3653 urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, R92C_TX_PAGE_BOUNDARY); 3654 urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, R92C_TX_PAGE_BOUNDARY); 3655 urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, R92C_TX_PAGE_BOUNDARY); 3656 urtwn_write_1(sc, R92C_TRXFF_BNDY, R92C_TX_PAGE_BOUNDARY); 3657 urtwn_write_1(sc, R92C_TDECTRL + 1, R92C_TX_PAGE_BOUNDARY); 3658 3659 /* Set queue to USB pipe mapping. */ 3660 reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 3661 reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 3662 if (nqueues == 1) { 3663 if (hashq) { 3664 reg |= R92C_TRXDMA_CTRL_QMAP_HQ; 3665 } else if (hasnq) { 3666 reg |= R92C_TRXDMA_CTRL_QMAP_NQ; 3667 } else { 3668 reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 3669 } 3670 } else if (nqueues == 2) { 3671 /* All 2-endpoints configs have a high priority queue. */ 3672 if (!hashq) { 3673 return EIO; 3674 } 3675 if (hasnq) { 3676 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 3677 } else { 3678 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_LQ; 3679 } 3680 } else { 3681 reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 3682 } 3683 urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 3684 3685 /* Set Tx/Rx transfer page boundary. */ 3686 urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 0x27ff); 3687 3688 /* Set Tx/Rx transfer page size. */ 3689 urtwn_write_1(sc, R92C_PBP, 3690 SM(R92C_PBP_PSRX, R92C_PBP_128) | SM(R92C_PBP_PSTX, R92C_PBP_128)); 3691 return 0; 3692 } 3693 3694 static int 3695 urtwn_r88e_dma_init(struct urtwn_softc *sc) 3696 { 3697 usb_interface_descriptor_t *id; 3698 uint32_t reg; 3699 int nqueues; 3700 int error; 3701 3702 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3703 3704 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3705 3706 /* Initialize LLT table. */ 3707 error = urtwn_llt_init(sc); 3708 if (error != 0) 3709 return error; 3710 3711 /* Get Tx queues to USB endpoints mapping. */ 3712 id = usbd_get_interface_descriptor(sc->sc_iface); 3713 nqueues = id->bNumEndpoints - 1; 3714 if (nqueues == 0) 3715 return EIO; 3716 3717 /* Set number of pages for normal priority queue. */ 3718 urtwn_write_2(sc, R92C_RQPN_NPQ, 0); 3719 urtwn_write_2(sc, R92C_RQPN_NPQ, 0x000d); 3720 urtwn_write_4(sc, R92C_RQPN, 0x808e000d); 3721 3722 urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, R88E_TX_PAGE_BOUNDARY); 3723 urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, R88E_TX_PAGE_BOUNDARY); 3724 urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, R88E_TX_PAGE_BOUNDARY); 3725 urtwn_write_1(sc, R92C_TRXFF_BNDY, R88E_TX_PAGE_BOUNDARY); 3726 urtwn_write_1(sc, R92C_TDECTRL + 1, R88E_TX_PAGE_BOUNDARY); 3727 3728 /* Set queue to USB pipe mapping. */ 3729 reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 3730 reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 3731 if (nqueues == 1) 3732 reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 3733 else if (nqueues == 2) 3734 reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 3735 else 3736 reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 3737 urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 3738 3739 /* Set Tx/Rx transfer page boundary. */ 3740 urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 0x23ff); 3741 3742 /* Set Tx/Rx transfer page size. */ 3743 urtwn_write_1(sc, R92C_PBP, 3744 SM(R92C_PBP_PSRX, R92C_PBP_128) | SM(R92C_PBP_PSTX, R92C_PBP_128)); 3745 3746 return 0; 3747 } 3748 3749 static void __noinline 3750 urtwn_mac_init(struct urtwn_softc *sc) 3751 { 3752 size_t i; 3753 3754 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3755 3756 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3757 3758 /* Write MAC initialization values. */ 3759 if (ISSET(sc->chip, URTWN_CHIP_88E)) { 3760 for (i = 0; i < __arraycount(rtl8188eu_mac); i++) 3761 urtwn_write_1(sc, rtl8188eu_mac[i].reg, 3762 rtl8188eu_mac[i].val); 3763 } else if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 3764 for (i = 0; i < __arraycount(rtl8192eu_mac); i++) 3765 urtwn_write_1(sc, rtl8192eu_mac[i].reg, 3766 rtl8192eu_mac[i].val); 3767 } else { 3768 for (i = 0; i < __arraycount(rtl8192cu_mac); i++) 3769 urtwn_write_1(sc, rtl8192cu_mac[i].reg, 3770 rtl8192cu_mac[i].val); 3771 } 3772 } 3773 3774 static void __noinline 3775 urtwn_bb_init(struct urtwn_softc *sc) 3776 { 3777 const struct rtwn_bb_prog *prog; 3778 uint32_t reg; 3779 uint8_t crystalcap; 3780 size_t i; 3781 3782 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3783 3784 KASSERT(mutex_owned(&sc->sc_write_mtx)); 3785 3786 /* Enable BB and RF. */ 3787 urtwn_write_2(sc, R92C_SYS_FUNC_EN, 3788 urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 3789 R92C_SYS_FUNC_EN_BBRSTB | R92C_SYS_FUNC_EN_BB_GLB_RST | 3790 R92C_SYS_FUNC_EN_DIO_RF); 3791 3792 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 3793 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 3794 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 0x83); 3795 urtwn_write_1(sc, R92C_AFE_PLL_CTRL + 1, 0xdb); 3796 } 3797 3798 urtwn_write_1(sc, R92C_RF_CTRL, 3799 R92C_RF_CTRL_EN | R92C_RF_CTRL_RSTB | R92C_RF_CTRL_SDMRSTB); 3800 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 3801 R92C_SYS_FUNC_EN_USBA | R92C_SYS_FUNC_EN_USBD | 3802 R92C_SYS_FUNC_EN_BB_GLB_RST | R92C_SYS_FUNC_EN_BBRSTB); 3803 3804 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 3805 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 3806 urtwn_write_1(sc, R92C_LDOHCI12_CTRL, 0x0f); 3807 urtwn_write_1(sc, 0x15, 0xe9); 3808 urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 1, 0x80); 3809 } 3810 3811 /* Select BB programming based on board type. */ 3812 if (ISSET(sc->chip, URTWN_CHIP_88E)) 3813 prog = &rtl8188eu_bb_prog; 3814 else if (ISSET(sc->chip, URTWN_CHIP_92EU)) 3815 prog = &rtl8192eu_bb_prog; 3816 else if (!(sc->chip & URTWN_CHIP_92C)) { 3817 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 3818 prog = &rtl8188ce_bb_prog; 3819 } else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 3820 prog = &rtl8188ru_bb_prog; 3821 } else { 3822 prog = &rtl8188cu_bb_prog; 3823 } 3824 } else { 3825 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 3826 prog = &rtl8192ce_bb_prog; 3827 } else { 3828 prog = &rtl8192cu_bb_prog; 3829 } 3830 } 3831 /* Write BB initialization values. */ 3832 for (i = 0; i < prog->count; i++) { 3833 /* additional delay depend on registers */ 3834 switch (prog->regs[i]) { 3835 case 0xfe: 3836 urtwn_delay_ms(sc, 50); 3837 break; 3838 case 0xfd: 3839 urtwn_delay_ms(sc, 5); 3840 break; 3841 case 0xfc: 3842 urtwn_delay_ms(sc, 1); 3843 break; 3844 case 0xfb: 3845 DELAY(50); 3846 break; 3847 case 0xfa: 3848 DELAY(5); 3849 break; 3850 case 0xf9: 3851 DELAY(1); 3852 break; 3853 } 3854 urtwn_bb_write(sc, prog->regs[i], prog->vals[i]); 3855 DELAY(1); 3856 } 3857 3858 if (sc->chip & URTWN_CHIP_92C_1T2R) { 3859 /* 8192C 1T only configuration. */ 3860 reg = urtwn_bb_read(sc, R92C_FPGA0_TXINFO); 3861 reg = (reg & ~0x00000003) | 0x2; 3862 urtwn_bb_write(sc, R92C_FPGA0_TXINFO, reg); 3863 3864 reg = urtwn_bb_read(sc, R92C_FPGA1_TXINFO); 3865 reg = (reg & ~0x00300033) | 0x00200022; 3866 urtwn_bb_write(sc, R92C_FPGA1_TXINFO, reg); 3867 3868 reg = urtwn_bb_read(sc, R92C_CCK0_AFESETTING); 3869 reg = (reg & ~0xff000000) | (0x45 << 24); 3870 urtwn_bb_write(sc, R92C_CCK0_AFESETTING, reg); 3871 3872 reg = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 3873 reg = (reg & ~0x000000ff) | 0x23; 3874 urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg); 3875 3876 reg = urtwn_bb_read(sc, R92C_OFDM0_AGCPARAM1); 3877 reg = (reg & ~0x00000030) | (1 << 4); 3878 urtwn_bb_write(sc, R92C_OFDM0_AGCPARAM1, reg); 3879 3880 reg = urtwn_bb_read(sc, 0xe74); 3881 reg = (reg & ~0x0c000000) | (2 << 26); 3882 urtwn_bb_write(sc, 0xe74, reg); 3883 reg = urtwn_bb_read(sc, 0xe78); 3884 reg = (reg & ~0x0c000000) | (2 << 26); 3885 urtwn_bb_write(sc, 0xe78, reg); 3886 reg = urtwn_bb_read(sc, 0xe7c); 3887 reg = (reg & ~0x0c000000) | (2 << 26); 3888 urtwn_bb_write(sc, 0xe7c, reg); 3889 reg = urtwn_bb_read(sc, 0xe80); 3890 reg = (reg & ~0x0c000000) | (2 << 26); 3891 urtwn_bb_write(sc, 0xe80, reg); 3892 reg = urtwn_bb_read(sc, 0xe88); 3893 reg = (reg & ~0x0c000000) | (2 << 26); 3894 urtwn_bb_write(sc, 0xe88, reg); 3895 } 3896 3897 /* Write AGC values. */ 3898 for (i = 0; i < prog->agccount; i++) { 3899 urtwn_bb_write(sc, R92C_OFDM0_AGCRSSITABLE, prog->agcvals[i]); 3900 DELAY(1); 3901 } 3902 3903 if (ISSET(sc->chip, URTWN_CHIP_88E) || 3904 ISSET(sc->chip, URTWN_CHIP_92EU)) { 3905 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553422); 3906 DELAY(1); 3907 urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553420); 3908 DELAY(1); 3909 } 3910 3911 if (ISSET(sc->chip, URTWN_CHIP_92EU)) { 3912 crystalcap = sc->r88e_rom[0xb9]; 3913 if (crystalcap == 0x00) 3914 crystalcap = 0x20; 3915 crystalcap &= 0x3f; 3916 reg = urtwn_bb_read(sc, R92C_AFE_CTRL3); 3917 urtwn_bb_write(sc, R92C_AFE_CTRL3, 3918 RW(reg, R92C_AFE_XTAL_CTRL_ADDR, 3919 crystalcap | crystalcap << 6)); 3920 urtwn_write_4(sc, R92C_AFE_XTAL_CTRL, 0xf81fb); 3921 } else if (ISSET(sc->chip, URTWN_CHIP_88E)) { 3922 crystalcap = sc->r88e_rom[0xb9]; 3923 if (crystalcap == 0xff) 3924 crystalcap = 0x20; 3925 crystalcap &= 0x3f; 3926 reg = urtwn_bb_read(sc, R92C_AFE_XTAL_CTRL); 3927 urtwn_bb_write(sc, R92C_AFE_XTAL_CTRL, 3928 RW(reg, R92C_AFE_XTAL_CTRL_ADDR, 3929 crystalcap | crystalcap << 6)); 3930 } else { 3931 if (urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)) & 3932 R92C_HSSI_PARAM2_CCK_HIPWR) { 3933 SET(sc->sc_flags, URTWN_FLAG_CCK_HIPWR); 3934 } 3935 } 3936 } 3937 3938 static void __noinline 3939 urtwn_rf_init(struct urtwn_softc *sc) 3940 { 3941 const struct rtwn_rf_prog *prog; 3942 uint32_t reg, mask, saved; 3943 size_t i, j, idx; 3944 3945 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 3946 3947 /* Select RF programming based on board type. */ 3948 if (ISSET(sc->chip, URTWN_CHIP_88E)) 3949 prog = rtl8188eu_rf_prog; 3950 else if (ISSET(sc->chip, URTWN_CHIP_92EU)) 3951 prog = rtl8192eu_rf_prog; 3952 else if (!(sc->chip & URTWN_CHIP_92C)) { 3953 if (sc->board_type == R92C_BOARD_TYPE_MINICARD) { 3954 prog = rtl8188ce_rf_prog; 3955 } else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 3956 prog = rtl8188ru_rf_prog; 3957 } else { 3958 prog = rtl8188cu_rf_prog; 3959 } 3960 } else { 3961 prog = rtl8192ce_rf_prog; 3962 } 3963 3964 for (i = 0; i < sc->nrxchains; i++) { 3965 /* Save RF_ENV control type. */ 3966 idx = i / 2; 3967 mask = 0xffffU << ((i % 2) * 16); 3968 saved = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)) & mask; 3969 3970 /* Set RF_ENV enable. */ 3971 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 3972 reg |= 0x100000; 3973 urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 3974 DELAY(50); 3975 3976 /* Set RF_ENV output high. */ 3977 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 3978 reg |= 0x10; 3979 urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 3980 DELAY(50); 3981 3982 /* Set address and data lengths of RF registers. */ 3983 reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 3984 reg &= ~R92C_HSSI_PARAM2_ADDR_LENGTH; 3985 urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 3986 DELAY(50); 3987 reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 3988 reg &= ~R92C_HSSI_PARAM2_DATA_LENGTH; 3989 urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 3990 DELAY(50); 3991 3992 /* Write RF initialization values for this chain. */ 3993 for (j = 0; j < prog[i].count; j++) { 3994 if (prog[i].regs[j] >= 0xf9 && 3995 prog[i].regs[j] <= 0xfe) { 3996 /* 3997 * These are fake RF registers offsets that 3998 * indicate a delay is required. 3999 */ 4000 urtwn_delay_ms(sc, 50); 4001 continue; 4002 } 4003 urtwn_rf_write(sc, i, prog[i].regs[j], prog[i].vals[j]); 4004 DELAY(5); 4005 } 4006 4007 /* Restore RF_ENV control type. */ 4008 reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)) & ~mask; 4009 urtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(idx), reg | saved); 4010 } 4011 4012 if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 4013 URTWN_CHIP_UMC_A_CUT) { 4014 urtwn_rf_write(sc, 0, R92C_RF_RX_G1, 0x30255); 4015 urtwn_rf_write(sc, 0, R92C_RF_RX_G2, 0x50a00); 4016 } 4017 4018 /* Cache RF register CHNLBW. */ 4019 for (i = 0; i < 2; i++) { 4020 sc->rf_chnlbw[i] = urtwn_rf_read(sc, i, R92C_RF_CHNLBW); 4021 } 4022 } 4023 4024 static void __noinline 4025 urtwn_cam_init(struct urtwn_softc *sc) 4026 { 4027 uint32_t content, command; 4028 uint8_t idx; 4029 size_t i; 4030 4031 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 4032 4033 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4034 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 4035 return; 4036 4037 for (idx = 0; idx < R92C_CAM_ENTRY_COUNT; idx++) { 4038 content = (idx & 3) 4039 | (R92C_CAM_ALGO_AES << R92C_CAM_ALGO_S) 4040 | R92C_CAM_VALID; 4041 4042 command = R92C_CAMCMD_POLLING 4043 | R92C_CAMCMD_WRITE 4044 | R92C_CAM_CTL0(idx); 4045 4046 urtwn_write_4(sc, R92C_CAMWRITE, content); 4047 urtwn_write_4(sc, R92C_CAMCMD, command); 4048 } 4049 4050 for (idx = 0; idx < R92C_CAM_ENTRY_COUNT; idx++) { 4051 for (i = 0; i < /* CAM_CONTENT_COUNT */ 8; i++) { 4052 if (i == 0) { 4053 content = (idx & 3) 4054 | (R92C_CAM_ALGO_AES << R92C_CAM_ALGO_S) 4055 | R92C_CAM_VALID; 4056 } else { 4057 content = 0; 4058 } 4059 4060 command = R92C_CAMCMD_POLLING 4061 | R92C_CAMCMD_WRITE 4062 | R92C_CAM_CTL0(idx) 4063 | i; 4064 4065 urtwn_write_4(sc, R92C_CAMWRITE, content); 4066 urtwn_write_4(sc, R92C_CAMCMD, command); 4067 } 4068 } 4069 4070 /* Invalidate all CAM entries. */ 4071 urtwn_write_4(sc, R92C_CAMCMD, R92C_CAMCMD_POLLING | R92C_CAMCMD_CLR); 4072 } 4073 4074 static void __noinline 4075 urtwn_pa_bias_init(struct urtwn_softc *sc) 4076 { 4077 uint8_t reg; 4078 size_t i; 4079 4080 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 4081 4082 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4083 4084 for (i = 0; i < sc->nrxchains; i++) { 4085 if (sc->pa_setting & (1U << i)) 4086 continue; 4087 4088 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x0f406); 4089 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x4f406); 4090 urtwn_rf_write(sc, i, R92C_RF_IPA, 0x8f406); 4091 urtwn_rf_write(sc, i, R92C_RF_IPA, 0xcf406); 4092 } 4093 if (!(sc->pa_setting & 0x10)) { 4094 reg = urtwn_read_1(sc, 0x16); 4095 reg = (reg & ~0xf0) | 0x90; 4096 urtwn_write_1(sc, 0x16, reg); 4097 } 4098 } 4099 4100 static void __noinline 4101 urtwn_rxfilter_init(struct urtwn_softc *sc) 4102 { 4103 4104 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 4105 4106 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4107 4108 /* Initialize Rx filter. */ 4109 /* TODO: use better filter for monitor mode. */ 4110 urtwn_write_4(sc, R92C_RCR, 4111 R92C_RCR_AAP | R92C_RCR_APM | R92C_RCR_AM | R92C_RCR_AB | 4112 R92C_RCR_APP_ICV | R92C_RCR_AMF | R92C_RCR_HTC_LOC_CTRL | 4113 R92C_RCR_APP_MIC | R92C_RCR_APP_PHYSTS); 4114 /* Accept all multicast frames. */ 4115 urtwn_write_4(sc, R92C_MAR + 0, 0xffffffff); 4116 urtwn_write_4(sc, R92C_MAR + 4, 0xffffffff); 4117 /* Accept all management frames. */ 4118 urtwn_write_2(sc, R92C_RXFLTMAP0, 0xffff); 4119 /* Reject all control frames. */ 4120 urtwn_write_2(sc, R92C_RXFLTMAP1, 0x0000); 4121 /* Accept all data frames. */ 4122 urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 4123 } 4124 4125 static void __noinline 4126 urtwn_edca_init(struct urtwn_softc *sc) 4127 { 4128 4129 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 4130 4131 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4132 4133 /* set spec SIFS (used in NAV) */ 4134 urtwn_write_2(sc, R92C_SPEC_SIFS, 0x100a); 4135 urtwn_write_2(sc, R92C_MAC_SPEC_SIFS, 0x100a); 4136 4137 /* set SIFS CCK/OFDM */ 4138 urtwn_write_2(sc, R92C_SIFS_CCK, 0x100a); 4139 urtwn_write_2(sc, R92C_SIFS_OFDM, 0x100a); 4140 4141 /* TXOP */ 4142 urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x005ea42b); 4143 urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a44f); 4144 urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005ea324); 4145 urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002fa226); 4146 } 4147 4148 static void 4149 urtwn_write_txpower(struct urtwn_softc *sc, int chain, 4150 uint16_t power[URTWN_RIDX_COUNT]) 4151 { 4152 uint32_t reg; 4153 4154 URTWNHIST_FUNC(); 4155 URTWNHIST_CALLARGS("chain=%jd", chain, 0, 0, 0); 4156 4157 /* Write per-CCK rate Tx power. */ 4158 if (chain == 0) { 4159 reg = urtwn_bb_read(sc, R92C_TXAGC_A_CCK1_MCS32); 4160 reg = RW(reg, R92C_TXAGC_A_CCK1, power[0]); 4161 urtwn_bb_write(sc, R92C_TXAGC_A_CCK1_MCS32, reg); 4162 4163 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 4164 reg = RW(reg, R92C_TXAGC_A_CCK2, power[1]); 4165 reg = RW(reg, R92C_TXAGC_A_CCK55, power[2]); 4166 reg = RW(reg, R92C_TXAGC_A_CCK11, power[3]); 4167 urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 4168 } else { 4169 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK1_55_MCS32); 4170 reg = RW(reg, R92C_TXAGC_B_CCK1, power[0]); 4171 reg = RW(reg, R92C_TXAGC_B_CCK2, power[1]); 4172 reg = RW(reg, R92C_TXAGC_B_CCK55, power[2]); 4173 urtwn_bb_write(sc, R92C_TXAGC_B_CCK1_55_MCS32, reg); 4174 4175 reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 4176 reg = RW(reg, R92C_TXAGC_B_CCK11, power[3]); 4177 urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 4178 } 4179 /* Write per-OFDM rate Tx power. */ 4180 urtwn_bb_write(sc, R92C_TXAGC_RATE18_06(chain), 4181 SM(R92C_TXAGC_RATE06, power[ 4]) | 4182 SM(R92C_TXAGC_RATE09, power[ 5]) | 4183 SM(R92C_TXAGC_RATE12, power[ 6]) | 4184 SM(R92C_TXAGC_RATE18, power[ 7])); 4185 urtwn_bb_write(sc, R92C_TXAGC_RATE54_24(chain), 4186 SM(R92C_TXAGC_RATE24, power[ 8]) | 4187 SM(R92C_TXAGC_RATE36, power[ 9]) | 4188 SM(R92C_TXAGC_RATE48, power[10]) | 4189 SM(R92C_TXAGC_RATE54, power[11])); 4190 /* Write per-MCS Tx power. */ 4191 urtwn_bb_write(sc, R92C_TXAGC_MCS03_MCS00(chain), 4192 SM(R92C_TXAGC_MCS00, power[12]) | 4193 SM(R92C_TXAGC_MCS01, power[13]) | 4194 SM(R92C_TXAGC_MCS02, power[14]) | 4195 SM(R92C_TXAGC_MCS03, power[15])); 4196 urtwn_bb_write(sc, R92C_TXAGC_MCS07_MCS04(chain), 4197 SM(R92C_TXAGC_MCS04, power[16]) | 4198 SM(R92C_TXAGC_MCS05, power[17]) | 4199 SM(R92C_TXAGC_MCS06, power[18]) | 4200 SM(R92C_TXAGC_MCS07, power[19])); 4201 urtwn_bb_write(sc, R92C_TXAGC_MCS11_MCS08(chain), 4202 SM(R92C_TXAGC_MCS08, power[20]) | 4203 SM(R92C_TXAGC_MCS09, power[21]) | 4204 SM(R92C_TXAGC_MCS10, power[22]) | 4205 SM(R92C_TXAGC_MCS11, power[23])); 4206 urtwn_bb_write(sc, R92C_TXAGC_MCS15_MCS12(chain), 4207 SM(R92C_TXAGC_MCS12, power[24]) | 4208 SM(R92C_TXAGC_MCS13, power[25]) | 4209 SM(R92C_TXAGC_MCS14, power[26]) | 4210 SM(R92C_TXAGC_MCS15, power[27])); 4211 } 4212 4213 static void 4214 urtwn_get_txpower(struct urtwn_softc *sc, size_t chain, u_int chan, u_int ht40m, 4215 uint16_t power[URTWN_RIDX_COUNT]) 4216 { 4217 struct r92c_rom *rom = &sc->rom; 4218 uint16_t cckpow, ofdmpow, htpow, diff, maxpow; 4219 const struct rtwn_txpwr *base; 4220 int ridx, group; 4221 4222 URTWNHIST_FUNC(); 4223 URTWNHIST_CALLARGS("chain=%jd, chan=%jd", chain, chan, 0, 0); 4224 4225 /* Determine channel group. */ 4226 if (chan <= 3) { 4227 group = 0; 4228 } else if (chan <= 9) { 4229 group = 1; 4230 } else { 4231 group = 2; 4232 } 4233 4234 /* Get original Tx power based on board type and RF chain. */ 4235 if (!(sc->chip & URTWN_CHIP_92C)) { 4236 if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) { 4237 base = &rtl8188ru_txagc[chain]; 4238 } else { 4239 base = &rtl8192cu_txagc[chain]; 4240 } 4241 } else { 4242 base = &rtl8192cu_txagc[chain]; 4243 } 4244 4245 memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 4246 if (sc->regulatory == 0) { 4247 for (ridx = 0; ridx <= 3; ridx++) { 4248 power[ridx] = base->pwr[0][ridx]; 4249 } 4250 } 4251 for (ridx = 4; ridx < URTWN_RIDX_COUNT; ridx++) { 4252 if (sc->regulatory == 3) { 4253 power[ridx] = base->pwr[0][ridx]; 4254 /* Apply vendor limits. */ 4255 if (ht40m != IEEE80211_HTINFO_2NDCHAN_NONE) { 4256 maxpow = rom->ht40_max_pwr[group]; 4257 } else { 4258 maxpow = rom->ht20_max_pwr[group]; 4259 } 4260 maxpow = (maxpow >> (chain * 4)) & 0xf; 4261 if (power[ridx] > maxpow) { 4262 power[ridx] = maxpow; 4263 } 4264 } else if (sc->regulatory == 1) { 4265 if (ht40m == IEEE80211_HTINFO_2NDCHAN_NONE) { 4266 power[ridx] = base->pwr[group][ridx]; 4267 } 4268 } else if (sc->regulatory != 2) { 4269 power[ridx] = base->pwr[0][ridx]; 4270 } 4271 } 4272 4273 /* Compute per-CCK rate Tx power. */ 4274 cckpow = rom->cck_tx_pwr[chain][group]; 4275 for (ridx = 0; ridx <= 3; ridx++) { 4276 power[ridx] += cckpow; 4277 if (power[ridx] > R92C_MAX_TX_PWR) { 4278 power[ridx] = R92C_MAX_TX_PWR; 4279 } 4280 } 4281 4282 htpow = rom->ht40_1s_tx_pwr[chain][group]; 4283 if (sc->ntxchains > 1) { 4284 /* Apply reduction for 2 spatial streams. */ 4285 diff = rom->ht40_2s_tx_pwr_diff[group]; 4286 diff = (diff >> (chain * 4)) & 0xf; 4287 htpow = (htpow > diff) ? htpow - diff : 0; 4288 } 4289 4290 /* Compute per-OFDM rate Tx power. */ 4291 diff = rom->ofdm_tx_pwr_diff[group]; 4292 diff = (diff >> (chain * 4)) & 0xf; 4293 ofdmpow = htpow + diff; /* HT->OFDM correction. */ 4294 for (ridx = 4; ridx <= 11; ridx++) { 4295 power[ridx] += ofdmpow; 4296 if (power[ridx] > R92C_MAX_TX_PWR) { 4297 power[ridx] = R92C_MAX_TX_PWR; 4298 } 4299 } 4300 4301 /* Compute per-MCS Tx power. */ 4302 if (ht40m == IEEE80211_HTINFO_2NDCHAN_NONE) { 4303 diff = rom->ht20_tx_pwr_diff[group]; 4304 diff = (diff >> (chain * 4)) & 0xf; 4305 htpow += diff; /* HT40->HT20 correction. */ 4306 } 4307 for (ridx = 12; ridx < URTWN_RIDX_COUNT; ridx++) { 4308 power[ridx] += htpow; 4309 if (power[ridx] > R92C_MAX_TX_PWR) { 4310 power[ridx] = R92C_MAX_TX_PWR; 4311 } 4312 } 4313 #ifdef URTWN_DEBUG 4314 if (urtwn_debug & DBG_RF) { 4315 /* Dump per-rate Tx power values. */ 4316 DPRINTFN(DBG_RF, "Tx power for chain %jd:", chain, 0, 0, 0); 4317 for (ridx = 0; ridx < URTWN_RIDX_COUNT; ridx++) 4318 DPRINTFN(DBG_RF, "Rate %jd = %ju", ridx, power[ridx], 0, 0); 4319 } 4320 #endif 4321 } 4322 4323 void 4324 urtwn_r88e_get_txpower(struct urtwn_softc *sc, size_t chain, u_int chan, 4325 u_int ht40m, uint16_t power[URTWN_RIDX_COUNT]) 4326 { 4327 uint16_t cckpow, ofdmpow, bw20pow, htpow; 4328 const struct rtwn_r88e_txpwr *base; 4329 int ridx, group; 4330 4331 URTWNHIST_FUNC(); 4332 URTWNHIST_CALLARGS("chain=%jd, chan=%jd", chain, chan, 0, 0); 4333 4334 /* Determine channel group. */ 4335 if (chan <= 2) 4336 group = 0; 4337 else if (chan <= 5) 4338 group = 1; 4339 else if (chan <= 8) 4340 group = 2; 4341 else if (chan <= 11) 4342 group = 3; 4343 else if (chan <= 13) 4344 group = 4; 4345 else 4346 group = 5; 4347 4348 /* Get original Tx power based on board type and RF chain. */ 4349 base = &rtl8188eu_txagc[chain]; 4350 4351 memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 4352 if (sc->regulatory == 0) { 4353 for (ridx = 0; ridx <= 3; ridx++) 4354 power[ridx] = base->pwr[0][ridx]; 4355 } 4356 for (ridx = 4; ridx < URTWN_RIDX_COUNT; ridx++) { 4357 if (sc->regulatory == 3) 4358 power[ridx] = base->pwr[0][ridx]; 4359 else if (sc->regulatory == 1) { 4360 if (ht40m == IEEE80211_HTINFO_2NDCHAN_NONE) 4361 power[ridx] = base->pwr[group][ridx]; 4362 } else if (sc->regulatory != 2) 4363 power[ridx] = base->pwr[0][ridx]; 4364 } 4365 4366 /* Compute per-CCK rate Tx power. */ 4367 cckpow = sc->cck_tx_pwr[group]; 4368 for (ridx = 0; ridx <= 3; ridx++) { 4369 power[ridx] += cckpow; 4370 if (power[ridx] > R92C_MAX_TX_PWR) 4371 power[ridx] = R92C_MAX_TX_PWR; 4372 } 4373 4374 htpow = sc->ht40_tx_pwr[group]; 4375 4376 /* Compute per-OFDM rate Tx power. */ 4377 ofdmpow = htpow + sc->ofdm_tx_pwr_diff; 4378 for (ridx = 4; ridx <= 11; ridx++) { 4379 power[ridx] += ofdmpow; 4380 if (power[ridx] > R92C_MAX_TX_PWR) 4381 power[ridx] = R92C_MAX_TX_PWR; 4382 } 4383 4384 bw20pow = htpow + sc->bw20_tx_pwr_diff; 4385 for (ridx = 12; ridx <= 27; ridx++) { 4386 power[ridx] += bw20pow; 4387 if (power[ridx] > R92C_MAX_TX_PWR) 4388 power[ridx] = R92C_MAX_TX_PWR; 4389 } 4390 } 4391 4392 static void 4393 urtwn_set_txpower(struct urtwn_softc *sc, u_int chan, u_int ht40m) 4394 { 4395 uint16_t power[URTWN_RIDX_COUNT]; 4396 size_t i; 4397 4398 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 4399 4400 for (i = 0; i < sc->ntxchains; i++) { 4401 /* Compute per-rate Tx power values. */ 4402 if (ISSET(sc->chip, URTWN_CHIP_88E) || 4403 ISSET(sc->chip, URTWN_CHIP_92EU)) 4404 urtwn_r88e_get_txpower(sc, i, chan, ht40m, power); 4405 else 4406 urtwn_get_txpower(sc, i, chan, ht40m, power); 4407 /* Write per-rate Tx power values to hardware. */ 4408 urtwn_write_txpower(sc, i, power); 4409 } 4410 } 4411 4412 static void __noinline 4413 urtwn_set_chan(struct urtwn_softc *sc, struct ieee80211_channel *c, u_int ht40m) 4414 { 4415 struct ieee80211com *ic = &sc->sc_ic; 4416 u_int chan; 4417 size_t i; 4418 4419 chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 4420 4421 URTWNHIST_FUNC(); 4422 URTWNHIST_CALLARGS("chan=%jd", chan, 0, 0, 0); 4423 4424 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4425 4426 if (ht40m == IEEE80211_HTINFO_2NDCHAN_ABOVE) { 4427 chan += 2; 4428 } else if (ht40m == IEEE80211_HTINFO_2NDCHAN_BELOW){ 4429 chan -= 2; 4430 } 4431 4432 /* Set Tx power for this new channel. */ 4433 urtwn_set_txpower(sc, chan, ht40m); 4434 4435 for (i = 0; i < sc->nrxchains; i++) { 4436 urtwn_rf_write(sc, i, R92C_RF_CHNLBW, 4437 RW(sc->rf_chnlbw[i], R92C_RF_CHNLBW_CHNL, chan)); 4438 } 4439 4440 if (ht40m) { 4441 /* Is secondary channel below or above primary? */ 4442 int prichlo = (ht40m == IEEE80211_HTINFO_2NDCHAN_ABOVE); 4443 uint32_t reg; 4444 4445 urtwn_write_1(sc, R92C_BWOPMODE, 4446 urtwn_read_1(sc, R92C_BWOPMODE) & ~R92C_BWOPMODE_20MHZ); 4447 4448 reg = urtwn_read_1(sc, R92C_RRSR + 2); 4449 reg = (reg & ~0x6f) | (prichlo ? 1 : 2) << 5; 4450 urtwn_write_1(sc, R92C_RRSR + 2, (uint8_t)reg); 4451 4452 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 4453 urtwn_bb_read(sc, R92C_FPGA0_RFMOD) | R92C_RFMOD_40MHZ); 4454 urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 4455 urtwn_bb_read(sc, R92C_FPGA1_RFMOD) | R92C_RFMOD_40MHZ); 4456 4457 /* Set CCK side band. */ 4458 reg = urtwn_bb_read(sc, R92C_CCK0_SYSTEM); 4459 reg = (reg & ~0x00000010) | (prichlo ? 0 : 1) << 4; 4460 urtwn_bb_write(sc, R92C_CCK0_SYSTEM, reg); 4461 4462 reg = urtwn_bb_read(sc, R92C_OFDM1_LSTF); 4463 reg = (reg & ~0x00000c00) | (prichlo ? 1 : 2) << 10; 4464 urtwn_bb_write(sc, R92C_OFDM1_LSTF, reg); 4465 4466 urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 4467 urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) & 4468 ~R92C_FPGA0_ANAPARAM2_CBW20); 4469 4470 reg = urtwn_bb_read(sc, 0x818); 4471 reg = (reg & ~0x0c000000) | (prichlo ? 2 : 1) << 26; 4472 urtwn_bb_write(sc, 0x818, reg); 4473 4474 /* Select 40MHz bandwidth. */ 4475 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 4476 (sc->rf_chnlbw[0] & ~0xfff) | chan); 4477 } else { 4478 urtwn_write_1(sc, R92C_BWOPMODE, 4479 urtwn_read_1(sc, R92C_BWOPMODE) | R92C_BWOPMODE_20MHZ); 4480 4481 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 4482 urtwn_bb_read(sc, R92C_FPGA0_RFMOD) & ~R92C_RFMOD_40MHZ); 4483 urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 4484 urtwn_bb_read(sc, R92C_FPGA1_RFMOD) & ~R92C_RFMOD_40MHZ); 4485 4486 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4487 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 4488 urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 4489 urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) | 4490 R92C_FPGA0_ANAPARAM2_CBW20); 4491 } 4492 4493 /* Select 20MHz bandwidth. */ 4494 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 4495 (sc->rf_chnlbw[0] & ~0xfff) | chan | 4496 (ISSET(sc->chip, URTWN_CHIP_88E) || 4497 ISSET(sc->chip, URTWN_CHIP_92EU) ? 4498 R88E_RF_CHNLBW_BW20 : R92C_RF_CHNLBW_BW20)); 4499 } 4500 } 4501 4502 static void __noinline 4503 urtwn_iq_calib(struct urtwn_softc *sc, bool inited) 4504 { 4505 4506 URTWNHIST_FUNC(); 4507 URTWNHIST_CALLARGS("inited=%jd", inited, 0, 0, 0); 4508 4509 uint32_t addaBackup[16], iqkBackup[4], piMode; 4510 4511 #ifdef notyet 4512 uint32_t odfm0_agccore_regs[3]; 4513 uint32_t ant_regs[3]; 4514 uint32_t rf_regs[8]; 4515 #endif 4516 uint32_t reg0, reg1, reg2; 4517 int i, attempt; 4518 4519 #ifdef notyet 4520 urtwn_write_1(sc, R92E_STBC_SETTING + 2, urtwn_read_1(sc, 4521 R92E_STBC_SETTING + 2)); 4522 urtwn_write_1(sc, R92C_ACLK_MON, 0); 4523 /* Save AGCCORE regs. */ 4524 for (i = 0; i < sc->nrxchains; i++) { 4525 odfm0_agccore_regs[i] = urtwn_read_4(sc, 4526 R92C_OFDM0_AGCCORE1(i)); 4527 } 4528 #endif 4529 /* Save BB regs. */ 4530 reg0 = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 4531 reg1 = urtwn_bb_read(sc, R92C_OFDM0_TRMUXPAR); 4532 reg2 = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(1)); 4533 4534 /* Save adda regs to be restored when finished. */ 4535 for (i = 0; i < __arraycount(addaReg); i++) 4536 addaBackup[i] = urtwn_bb_read(sc, addaReg[i]); 4537 /* Save mac regs. */ 4538 iqkBackup[0] = urtwn_read_1(sc, R92C_TXPAUSE); 4539 iqkBackup[1] = urtwn_read_1(sc, R92C_BCN_CTRL); 4540 iqkBackup[2] = urtwn_read_1(sc, R92C_BCN_CTRL1); 4541 iqkBackup[3] = urtwn_read_4(sc, R92C_GPIO_MUXCFG); 4542 4543 #ifdef notyet 4544 ant_regs[0] = urtwn_read_4(sc, R92C_CONFIG_ANT_A); 4545 ant_regs[1] = urtwn_read_4(sc, R92C_CONFIG_ANT_B); 4546 4547 rf_regs[0] = urtwn_read_4(sc, R92C_FPGA0_RFIFACESW(0)); 4548 for (i = 0; i < sc->nrxchains; i++) 4549 rf_regs[i+1] = urtwn_read_4(sc, R92C_FPGA0_RFIFACEOE(i)); 4550 reg4 = urtwn_read_4(sc, R92C_CCK0_AFESETTING); 4551 #endif 4552 4553 piMode = (urtwn_bb_read(sc, R92C_HSSI_PARAM1(0)) & 4554 R92C_HSSI_PARAM1_PI); 4555 if (piMode == 0) { 4556 urtwn_bb_write(sc, R92C_HSSI_PARAM1(0), 4557 urtwn_bb_read(sc, R92C_HSSI_PARAM1(0))| 4558 R92C_HSSI_PARAM1_PI); 4559 urtwn_bb_write(sc, R92C_HSSI_PARAM1(1), 4560 urtwn_bb_read(sc, R92C_HSSI_PARAM1(1))| 4561 R92C_HSSI_PARAM1_PI); 4562 } 4563 4564 attempt = 1; 4565 4566 next_attempt: 4567 4568 /* Set mac regs for calibration. */ 4569 for (i = 0; i < __arraycount(addaReg); i++) { 4570 urtwn_bb_write(sc, addaReg[i], 4571 addaReg[__arraycount(addaReg) - 1]); 4572 } 4573 urtwn_write_2(sc, R92C_CCK0_AFESETTING, urtwn_read_2(sc, 4574 R92C_CCK0_AFESETTING)); 4575 urtwn_write_2(sc, R92C_OFDM0_TRXPATHENA, R92C_IQK_TRXPATHENA); 4576 urtwn_write_2(sc, R92C_OFDM0_TRMUXPAR, R92C_IQK_TRMUXPAR); 4577 urtwn_write_2(sc, R92C_FPGA0_RFIFACESW(1), R92C_IQK_RFIFACESW1); 4578 urtwn_write_4(sc, R92C_LSSI_PARAM(0), R92C_IQK_LSSI_PARAM); 4579 4580 if (sc->ntxchains > 1) 4581 urtwn_bb_write(sc, R92C_LSSI_PARAM(1), R92C_IQK_LSSI_PARAM); 4582 4583 urtwn_write_1(sc, R92C_TXPAUSE, (~R92C_TXPAUSE_BCN) & R92C_TXPAUSE_ALL); 4584 urtwn_write_1(sc, R92C_BCN_CTRL, (iqkBackup[1] & 4585 ~R92C_BCN_CTRL_EN_BCN)); 4586 urtwn_write_1(sc, R92C_BCN_CTRL1, (iqkBackup[2] & 4587 ~R92C_BCN_CTRL_EN_BCN)); 4588 4589 urtwn_write_1(sc, R92C_GPIO_MUXCFG, (iqkBackup[3] & 4590 ~R92C_GPIO_MUXCFG_ENBT)); 4591 4592 urtwn_bb_write(sc, R92C_CONFIG_ANT_A, R92C_IQK_CONFIG_ANT); 4593 4594 if (sc->ntxchains > 1) 4595 urtwn_bb_write(sc, R92C_CONFIG_ANT_B, R92C_IQK_CONFIG_ANT); 4596 urtwn_bb_write(sc, R92C_FPGA0_IQK, R92C_FPGA0_IQK_SETTING); 4597 urtwn_bb_write(sc, R92C_TX_IQK, R92C_TX_IQK_SETTING); 4598 urtwn_bb_write(sc, R92C_RX_IQK, R92C_RX_IQK_SETTING); 4599 4600 /* Restore BB regs. */ 4601 urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg0); 4602 urtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(1), reg2); 4603 urtwn_bb_write(sc, R92C_OFDM0_TRMUXPAR, reg1); 4604 4605 urtwn_bb_write(sc, R92C_FPGA0_IQK, 0x0); 4606 urtwn_bb_write(sc, R92C_LSSI_PARAM(0), R92C_IQK_LSSI_RESTORE); 4607 if (sc->nrxchains > 1) 4608 urtwn_bb_write(sc, R92C_LSSI_PARAM(1), R92C_IQK_LSSI_RESTORE); 4609 4610 if (attempt-- > 0) 4611 goto next_attempt; 4612 4613 /* Restore mode. */ 4614 if (piMode == 0) { 4615 urtwn_bb_write(sc, R92C_HSSI_PARAM1(0), 4616 urtwn_bb_read(sc, R92C_HSSI_PARAM1(0)) & 4617 ~R92C_HSSI_PARAM1_PI); 4618 urtwn_bb_write(sc, R92C_HSSI_PARAM1(1), 4619 urtwn_bb_read(sc, R92C_HSSI_PARAM1(1)) & 4620 ~R92C_HSSI_PARAM1_PI); 4621 } 4622 4623 #ifdef notyet 4624 for (i = 0; i < sc->nrxchains; i++) { 4625 urtwn_write_4(sc, R92C_OFDM0_AGCCORE1(i), 4626 odfm0_agccore_regs[i]); 4627 } 4628 #endif 4629 4630 /* Restore adda regs. */ 4631 for (i = 0; i < __arraycount(addaReg); i++) 4632 urtwn_bb_write(sc, addaReg[i], addaBackup[i]); 4633 /* Restore mac regs. */ 4634 urtwn_write_1(sc, R92C_TXPAUSE, iqkBackup[0]); 4635 urtwn_write_1(sc, R92C_BCN_CTRL, iqkBackup[1]); 4636 urtwn_write_1(sc, R92C_USTIME_TSF, iqkBackup[2]); 4637 urtwn_write_4(sc, R92C_GPIO_MUXCFG, iqkBackup[3]); 4638 4639 #ifdef notyet 4640 urtwn_write_4(sc, R92C_CONFIG_ANT_A, ant_regs[0]); 4641 urtwn_write_4(sc, R92C_CONFIG_ANT_B, ant_regs[1]); 4642 4643 urtwn_write_4(sc, R92C_FPGA0_RFIFACESW(0), rf_regs[0]); 4644 for (i = 0; i < sc->nrxchains; i++) 4645 urtwn_write_4(sc, R92C_FPGA0_RFIFACEOE(i), rf_regs[i+1]); 4646 urtwn_write_4(sc, R92C_CCK0_AFESETTING, reg4); 4647 #endif 4648 } 4649 4650 static void 4651 urtwn_lc_calib(struct urtwn_softc *sc) 4652 { 4653 uint32_t rf_ac[2]; 4654 uint8_t txmode; 4655 size_t i; 4656 4657 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 4658 4659 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4660 4661 txmode = urtwn_read_1(sc, R92C_OFDM1_LSTF + 3); 4662 if ((txmode & 0x70) != 0) { 4663 /* Disable all continuous Tx. */ 4664 urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode & ~0x70); 4665 4666 /* Set RF mode to standby mode. */ 4667 for (i = 0; i < sc->nrxchains; i++) { 4668 rf_ac[i] = urtwn_rf_read(sc, i, R92C_RF_AC); 4669 urtwn_rf_write(sc, i, R92C_RF_AC, 4670 RW(rf_ac[i], R92C_RF_AC_MODE, 4671 R92C_RF_AC_MODE_STANDBY)); 4672 } 4673 } else { 4674 /* Block all Tx queues. */ 4675 urtwn_write_1(sc, R92C_TXPAUSE, 0xff); 4676 } 4677 /* Start calibration. */ 4678 urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 4679 urtwn_rf_read(sc, 0, R92C_RF_CHNLBW) | R92C_RF_CHNLBW_LCSTART); 4680 4681 /* Give calibration the time to complete. */ 4682 urtwn_delay_ms(sc, 100); 4683 4684 /* Restore configuration. */ 4685 if ((txmode & 0x70) != 0) { 4686 /* Restore Tx mode. */ 4687 urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode); 4688 /* Restore RF mode. */ 4689 for (i = 0; i < sc->nrxchains; i++) { 4690 urtwn_rf_write(sc, i, R92C_RF_AC, rf_ac[i]); 4691 } 4692 } else { 4693 /* Unblock all Tx queues. */ 4694 urtwn_write_1(sc, R92C_TXPAUSE, 0x00); 4695 } 4696 } 4697 4698 static void 4699 urtwn_temp_calib(struct urtwn_softc *sc) 4700 { 4701 int temp, t_meter_reg; 4702 4703 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 4704 4705 KASSERT(mutex_owned(&sc->sc_write_mtx)); 4706 4707 if (!ISSET(sc->chip, URTWN_CHIP_92EU)) 4708 t_meter_reg = R92C_RF_T_METER; 4709 else 4710 t_meter_reg = R92E_RF_T_METER; 4711 4712 if (sc->thcal_state == 0) { 4713 /* Start measuring temperature. */ 4714 DPRINTFN(DBG_RF, "start measuring temperature", 0, 0, 0, 0); 4715 urtwn_rf_write(sc, 0, t_meter_reg, 0x60); 4716 sc->thcal_state = 1; 4717 return; 4718 } 4719 sc->thcal_state = 0; 4720 4721 /* Read measured temperature. */ 4722 temp = urtwn_rf_read(sc, 0, R92C_RF_T_METER) & 0x1f; 4723 DPRINTFN(DBG_RF, "temperature=%jd", temp, 0, 0, 0); 4724 if (temp == 0) /* Read failed, skip. */ 4725 return; 4726 4727 /* 4728 * Redo LC calibration if temperature changed significantly since 4729 * last calibration. 4730 */ 4731 if (sc->thcal_lctemp == 0) { 4732 /* First LC calibration is performed in urtwn_init(). */ 4733 sc->thcal_lctemp = temp; 4734 } else if (abs(temp - sc->thcal_lctemp) > 1) { 4735 DPRINTFN(DBG_RF, "LC calib triggered by temp: %jd -> %jd", 4736 sc->thcal_lctemp, temp, 0, 0); 4737 urtwn_lc_calib(sc); 4738 /* Record temperature of last LC calibration. */ 4739 sc->thcal_lctemp = temp; 4740 } 4741 } 4742 4743 static int 4744 urtwn_init(struct ifnet *ifp) 4745 { 4746 struct urtwn_softc *sc = ifp->if_softc; 4747 struct ieee80211com *ic = &sc->sc_ic; 4748 struct urtwn_rx_data *data; 4749 uint32_t reg; 4750 size_t i; 4751 int error; 4752 4753 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 4754 4755 urtwn_stop(ifp, 0); 4756 4757 mutex_enter(&sc->sc_write_mtx); 4758 4759 mutex_enter(&sc->sc_task_mtx); 4760 /* Init host async commands ring. */ 4761 sc->cmdq.cur = sc->cmdq.next = sc->cmdq.queued = 0; 4762 mutex_exit(&sc->sc_task_mtx); 4763 4764 mutex_enter(&sc->sc_fwcmd_mtx); 4765 /* Init firmware commands ring. */ 4766 sc->fwcur = 0; 4767 mutex_exit(&sc->sc_fwcmd_mtx); 4768 4769 /* Allocate Tx/Rx buffers. */ 4770 error = urtwn_alloc_rx_list(sc); 4771 if (error != 0) { 4772 aprint_error_dev(sc->sc_dev, 4773 "could not allocate Rx buffers\n"); 4774 goto fail; 4775 } 4776 error = urtwn_alloc_tx_list(sc); 4777 if (error != 0) { 4778 aprint_error_dev(sc->sc_dev, 4779 "could not allocate Tx buffers\n"); 4780 goto fail; 4781 } 4782 4783 /* Power on adapter. */ 4784 error = urtwn_power_on(sc); 4785 if (error != 0) 4786 goto fail; 4787 4788 /* Initialize DMA. */ 4789 error = urtwn_dma_init(sc); 4790 if (error != 0) 4791 goto fail; 4792 4793 /* Set info size in Rx descriptors (in 64-bit words). */ 4794 urtwn_write_1(sc, R92C_RX_DRVINFO_SZ, 4); 4795 4796 /* Init interrupts. */ 4797 if (ISSET(sc->chip, URTWN_CHIP_88E) || 4798 ISSET(sc->chip, URTWN_CHIP_92EU)) { 4799 urtwn_write_4(sc, R88E_HISR, 0xffffffff); 4800 urtwn_write_4(sc, R88E_HIMR, R88E_HIMR_CPWM | R88E_HIMR_CPWM2 | 4801 R88E_HIMR_TBDER | R88E_HIMR_PSTIMEOUT); 4802 urtwn_write_4(sc, R88E_HIMRE, R88E_HIMRE_RXFOVW | 4803 R88E_HIMRE_TXFOVW | R88E_HIMRE_RXERR | R88E_HIMRE_TXERR); 4804 if (ISSET(sc->chip, URTWN_CHIP_88E)) { 4805 urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 4806 urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) | 4807 R92C_USB_SPECIAL_OPTION_INT_BULK_SEL); 4808 } 4809 if (ISSET(sc->chip, URTWN_CHIP_92EU)) 4810 urtwn_write_1(sc, R92C_USB_HRPWM, 0); 4811 } else { 4812 urtwn_write_4(sc, R92C_HISR, 0xffffffff); 4813 urtwn_write_4(sc, R92C_HIMR, 0xffffffff); 4814 } 4815 4816 /* Set MAC address. */ 4817 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 4818 urtwn_write_region(sc, R92C_MACID, ic->ic_myaddr, IEEE80211_ADDR_LEN); 4819 4820 /* Set initial network type. */ 4821 reg = urtwn_read_4(sc, R92C_CR); 4822 switch (ic->ic_opmode) { 4823 case IEEE80211_M_STA: 4824 default: 4825 reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_INFRA); 4826 break; 4827 4828 case IEEE80211_M_IBSS: 4829 reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_ADHOC); 4830 break; 4831 } 4832 urtwn_write_4(sc, R92C_CR, reg); 4833 4834 /* Set response rate */ 4835 reg = urtwn_read_4(sc, R92C_RRSR); 4836 reg = RW(reg, R92C_RRSR_RATE_BITMAP, R92C_RRSR_RATE_CCK_ONLY_1M); 4837 urtwn_write_4(sc, R92C_RRSR, reg); 4838 4839 /* SIFS (used in NAV) */ 4840 urtwn_write_2(sc, R92C_SPEC_SIFS, 4841 SM(R92C_SPEC_SIFS_CCK, 0x10) | SM(R92C_SPEC_SIFS_OFDM, 0x10)); 4842 4843 /* Set short/long retry limits. */ 4844 urtwn_write_2(sc, R92C_RL, 4845 SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30)); 4846 4847 /* Initialize EDCA parameters. */ 4848 urtwn_edca_init(sc); 4849 4850 /* Setup rate fallback. */ 4851 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4852 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 4853 urtwn_write_4(sc, R92C_DARFRC + 0, 0x00000000); 4854 urtwn_write_4(sc, R92C_DARFRC + 4, 0x10080404); 4855 urtwn_write_4(sc, R92C_RARFRC + 0, 0x04030201); 4856 urtwn_write_4(sc, R92C_RARFRC + 4, 0x08070605); 4857 } 4858 4859 urtwn_write_1(sc, R92C_FWHW_TXQ_CTRL, 4860 urtwn_read_1(sc, R92C_FWHW_TXQ_CTRL) | 4861 R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW); 4862 /* Set ACK timeout. */ 4863 urtwn_write_1(sc, R92C_ACKTO, 0x40); 4864 4865 /* Setup USB aggregation. */ 4866 /* Tx */ 4867 reg = urtwn_read_4(sc, R92C_TDECTRL); 4868 reg = RW(reg, R92C_TDECTRL_BLK_DESC_NUM, 6); 4869 urtwn_write_4(sc, R92C_TDECTRL, reg); 4870 /* Rx */ 4871 urtwn_write_1(sc, R92C_TRXDMA_CTRL, 4872 urtwn_read_1(sc, R92C_TRXDMA_CTRL) | 4873 R92C_TRXDMA_CTRL_RXDMA_AGG_EN); 4874 urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 4875 urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) & 4876 ~R92C_USB_SPECIAL_OPTION_AGG_EN); 4877 urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH, 48); 4878 if (ISSET(sc->chip, URTWN_CHIP_88E) || 4879 ISSET(sc->chip, URTWN_CHIP_92EU)) 4880 urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH + 1, 4); 4881 else 4882 urtwn_write_1(sc, R92C_USB_DMA_AGG_TO, 4); 4883 4884 /* Initialize beacon parameters. */ 4885 urtwn_write_2(sc, R92C_BCN_CTRL, 0x1010); 4886 urtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404); 4887 urtwn_write_1(sc, R92C_DRVERLYINT, R92C_DRVERLYINT_INIT_TIME); 4888 urtwn_write_1(sc, R92C_BCNDMATIM, R92C_BCNDMATIM_INIT_TIME); 4889 urtwn_write_2(sc, R92C_BCNTCFG, 0x660f); 4890 4891 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4892 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 4893 /* Setup AMPDU aggregation. */ 4894 urtwn_write_4(sc, R92C_AGGLEN_LMT, 0x99997631); /* MCS7~0 */ 4895 urtwn_write_1(sc, R92C_AGGR_BREAK_TIME, 0x16); 4896 urtwn_write_2(sc, 0x4ca, 0x0708); 4897 4898 urtwn_write_1(sc, R92C_BCN_MAX_ERR, 0xff); 4899 urtwn_write_1(sc, R92C_BCN_CTRL, R92C_BCN_CTRL_DIS_TSF_UDT0); 4900 } 4901 4902 /* Load 8051 microcode. */ 4903 error = urtwn_load_firmware(sc); 4904 if (error != 0) 4905 goto fail; 4906 SET(sc->sc_flags, URTWN_FLAG_FWREADY); 4907 4908 /* Initialize MAC/BB/RF blocks. */ 4909 /* 4910 * XXX: urtwn_mac_init() sets R92C_RCR[0:15] = R92C_RCR_APM | 4911 * R92C_RCR_AM | R92C_RCR_AB | R92C_RCR_AICV | R92C_RCR_AMF. 4912 * XXX: This setting should be removed from rtl8192cu_mac[]. 4913 */ 4914 urtwn_mac_init(sc); // sets R92C_RCR[0:15] 4915 urtwn_rxfilter_init(sc); // reset R92C_RCR 4916 urtwn_bb_init(sc); 4917 urtwn_rf_init(sc); 4918 4919 if (ISSET(sc->chip, URTWN_CHIP_88E) || 4920 ISSET(sc->chip, URTWN_CHIP_92EU)) { 4921 urtwn_write_2(sc, R92C_CR, 4922 urtwn_read_2(sc, R92C_CR) | R92C_CR_MACTXEN | 4923 R92C_CR_MACRXEN); 4924 } 4925 4926 /* Turn CCK and OFDM blocks on. */ 4927 reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 4928 reg |= R92C_RFMOD_CCK_EN; 4929 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 4930 reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 4931 reg |= R92C_RFMOD_OFDM_EN; 4932 urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 4933 4934 /* Clear per-station keys table. */ 4935 urtwn_cam_init(sc); 4936 4937 /* Enable hardware sequence numbering. */ 4938 urtwn_write_1(sc, R92C_HWSEQ_CTRL, 0xff); 4939 4940 /* Perform LO and IQ calibrations. */ 4941 urtwn_iq_calib(sc, sc->iqk_inited); 4942 sc->iqk_inited = true; 4943 4944 /* Perform LC calibration. */ 4945 urtwn_lc_calib(sc); 4946 4947 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4948 !ISSET(sc->chip, URTWN_CHIP_92EU)) { 4949 /* Fix USB interference issue. */ 4950 urtwn_write_1(sc, 0xfe40, 0xe0); 4951 urtwn_write_1(sc, 0xfe41, 0x8d); 4952 urtwn_write_1(sc, 0xfe42, 0x80); 4953 urtwn_write_4(sc, 0x20c, 0xfd0320); 4954 4955 urtwn_pa_bias_init(sc); 4956 } 4957 4958 if (!(sc->chip & (URTWN_CHIP_92C | URTWN_CHIP_92C_1T2R)) || 4959 !(sc->chip & URTWN_CHIP_92EU)) { 4960 /* 1T1R */ 4961 urtwn_bb_write(sc, R92C_FPGA0_RFPARAM(0), 4962 urtwn_bb_read(sc, R92C_FPGA0_RFPARAM(0)) | __BIT(13)); 4963 } 4964 4965 /* Initialize GPIO setting. */ 4966 urtwn_write_1(sc, R92C_GPIO_MUXCFG, 4967 urtwn_read_1(sc, R92C_GPIO_MUXCFG) & ~R92C_GPIO_MUXCFG_ENBT); 4968 4969 /* Fix for lower temperature. */ 4970 if (!ISSET(sc->chip, URTWN_CHIP_88E) && 4971 !ISSET(sc->chip, URTWN_CHIP_92EU)) 4972 urtwn_write_1(sc, 0x15, 0xe9); 4973 4974 /* Set default channel. */ 4975 urtwn_set_chan(sc, ic->ic_curchan, IEEE80211_HTINFO_2NDCHAN_NONE); 4976 4977 /* Queue Rx xfers. */ 4978 for (size_t j = 0; j < sc->rx_npipe; j++) { 4979 for (i = 0; i < URTWN_RX_LIST_COUNT; i++) { 4980 data = &sc->rx_data[j][i]; 4981 usbd_setup_xfer(data->xfer, data, data->buf, 4982 URTWN_RXBUFSZ, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, 4983 urtwn_rxeof); 4984 error = usbd_transfer(data->xfer); 4985 if (__predict_false(error != USBD_NORMAL_COMPLETION && 4986 error != USBD_IN_PROGRESS)) 4987 goto fail; 4988 } 4989 } 4990 4991 /* We're ready to go. */ 4992 ifp->if_flags &= ~IFF_OACTIVE; 4993 ifp->if_flags |= IFF_RUNNING; 4994 sc->sc_running = true; 4995 4996 mutex_exit(&sc->sc_write_mtx); 4997 4998 if (ic->ic_opmode == IEEE80211_M_MONITOR) 4999 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 5000 else if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL) 5001 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 5002 urtwn_wait_async(sc); 5003 5004 return 0; 5005 5006 fail: 5007 mutex_exit(&sc->sc_write_mtx); 5008 5009 urtwn_stop(ifp, 1); 5010 return error; 5011 } 5012 5013 static void __noinline 5014 urtwn_stop(struct ifnet *ifp, int disable) 5015 { 5016 struct urtwn_softc *sc = ifp->if_softc; 5017 struct ieee80211com *ic = &sc->sc_ic; 5018 size_t i; 5019 int s; 5020 5021 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 5022 5023 s = splusb(); 5024 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 5025 urtwn_wait_async(sc); 5026 splx(s); 5027 5028 sc->tx_timer = 0; 5029 ifp->if_timer = 0; 5030 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 5031 5032 callout_stop(&sc->sc_scan_to); 5033 callout_stop(&sc->sc_calib_to); 5034 5035 /* Abort Tx. */ 5036 for (i = 0; i < sc->tx_npipe; i++) { 5037 if (sc->tx_pipe[i] != NULL) 5038 usbd_abort_pipe(sc->tx_pipe[i]); 5039 } 5040 5041 /* Stop Rx pipe. */ 5042 for (i = 0; i < sc->rx_npipe; i++) { 5043 if (sc->rx_pipe[i] != NULL) 5044 usbd_abort_pipe(sc->rx_pipe[i]); 5045 } 5046 5047 /* Free Tx/Rx buffers. */ 5048 urtwn_free_tx_list(sc); 5049 urtwn_free_rx_list(sc); 5050 5051 sc->sc_running = false; 5052 if (disable) 5053 urtwn_chip_stop(sc); 5054 } 5055 5056 static int 5057 urtwn_reset(struct ifnet *ifp) 5058 { 5059 struct urtwn_softc *sc = ifp->if_softc; 5060 struct ieee80211com *ic = &sc->sc_ic; 5061 5062 if (ic->ic_opmode != IEEE80211_M_MONITOR) 5063 return ENETRESET; 5064 5065 urtwn_set_chan(sc, ic->ic_curchan, IEEE80211_HTINFO_2NDCHAN_NONE); 5066 5067 return 0; 5068 } 5069 5070 static void 5071 urtwn_chip_stop(struct urtwn_softc *sc) 5072 { 5073 uint32_t reg; 5074 bool disabled = true; 5075 5076 URTWNHIST_FUNC(); URTWNHIST_CALLED(); 5077 5078 if (ISSET(sc->chip, URTWN_CHIP_88E) || 5079 ISSET(sc->chip, URTWN_CHIP_92EU)) 5080 return; 5081 5082 mutex_enter(&sc->sc_write_mtx); 5083 5084 /* 5085 * RF Off Sequence 5086 */ 5087 /* Pause MAC TX queue */ 5088 urtwn_write_1(sc, R92C_TXPAUSE, 0xFF); 5089 5090 /* Disable RF */ 5091 urtwn_rf_write(sc, 0, 0, 0); 5092 5093 urtwn_write_1(sc, R92C_APSD_CTRL, R92C_APSD_CTRL_OFF); 5094 5095 /* Reset BB state machine */ 5096 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 5097 R92C_SYS_FUNC_EN_USBD | 5098 R92C_SYS_FUNC_EN_USBA | 5099 R92C_SYS_FUNC_EN_BB_GLB_RST); 5100 urtwn_write_1(sc, R92C_SYS_FUNC_EN, 5101 R92C_SYS_FUNC_EN_USBD | R92C_SYS_FUNC_EN_USBA); 5102 5103 /* 5104 * Reset digital sequence 5105 */ 5106 if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RDY) { 5107 /* Reset MCU ready status */ 5108 urtwn_write_1(sc, R92C_MCUFWDL, 0); 5109 /* If firmware in ram code, do reset */ 5110 if (ISSET(sc->sc_flags, URTWN_FLAG_FWREADY)) { 5111 if (ISSET(sc->chip, URTWN_CHIP_88E) || 5112 ISSET(sc->chip, URTWN_CHIP_92EU)) 5113 urtwn_r88e_fw_reset(sc); 5114 else 5115 urtwn_fw_reset(sc); 5116 CLR(sc->sc_flags, URTWN_FLAG_FWREADY); 5117 } 5118 } 5119 5120 /* Reset MAC and Enable 8051 */ 5121 urtwn_write_1(sc, R92C_SYS_FUNC_EN + 1, 0x54); 5122 5123 /* Reset MCU ready status */ 5124 urtwn_write_1(sc, R92C_MCUFWDL, 0); 5125 5126 if (disabled) { 5127 /* Disable MAC clock */ 5128 urtwn_write_2(sc, R92C_SYS_CLKR, 0x70A3); 5129 /* Disable AFE PLL */ 5130 urtwn_write_1(sc, R92C_AFE_PLL_CTRL, 0x80); 5131 /* Gated AFE DIG_CLOCK */ 5132 urtwn_write_2(sc, R92C_AFE_XTAL_CTRL, 0x880F); 5133 /* Isolated digital to PON */ 5134 urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 0xF9); 5135 } 5136 5137 /* 5138 * Pull GPIO PIN to balance level and LED control 5139 */ 5140 /* 1. Disable GPIO[7:0] */ 5141 urtwn_write_2(sc, R92C_GPIO_PIN_CTRL + 2, 0x0000); 5142 5143 reg = urtwn_read_4(sc, R92C_GPIO_PIN_CTRL) & ~0x0000ff00; 5144 reg |= ((reg << 8) & 0x0000ff00) | 0x00ff0000; 5145 urtwn_write_4(sc, R92C_GPIO_PIN_CTRL, reg); 5146 5147 /* Disable GPIO[10:8] */ 5148 urtwn_write_1(sc, R92C_GPIO_MUXCFG + 3, 0x00); 5149 5150 reg = urtwn_read_2(sc, R92C_GPIO_MUXCFG + 2) & ~0x00f0; 5151 reg |= (((reg & 0x000f) << 4) | 0x0780); 5152 urtwn_write_2(sc, R92C_GPIO_MUXCFG + 2, reg); 5153 5154 /* Disable LED0 & 1 */ 5155 urtwn_write_2(sc, R92C_LEDCFG0, 0x8080); 5156 5157 /* 5158 * Reset digital sequence 5159 */ 5160 if (disabled) { 5161 /* Disable ELDR clock */ 5162 urtwn_write_2(sc, R92C_SYS_CLKR, 0x70A3); 5163 /* Isolated ELDR to PON */ 5164 urtwn_write_1(sc, R92C_SYS_ISO_CTRL + 1, 0x82); 5165 } 5166 5167 /* 5168 * Disable analog sequence 5169 */ 5170 if (disabled) { 5171 /* Disable A15 power */ 5172 urtwn_write_1(sc, R92C_LDOA15_CTRL, 0x04); 5173 /* Disable digital core power */ 5174 urtwn_write_1(sc, R92C_LDOV12D_CTRL, 5175 urtwn_read_1(sc, R92C_LDOV12D_CTRL) & 5176 ~R92C_LDOV12D_CTRL_LDV12_EN); 5177 } 5178 5179 /* Enter PFM mode */ 5180 urtwn_write_1(sc, R92C_SPS0_CTRL, 0x23); 5181 5182 /* Set USB suspend */ 5183 urtwn_write_2(sc, R92C_APS_FSMCO, 5184 R92C_APS_FSMCO_APDM_HOST | 5185 R92C_APS_FSMCO_AFSM_HSUS | 5186 R92C_APS_FSMCO_PFM_ALDN); 5187 5188 urtwn_write_1(sc, R92C_RSV_CTRL, 0x0E); 5189 5190 mutex_exit(&sc->sc_write_mtx); 5191 } 5192 5193 static void 5194 urtwn_delay_ms(struct urtwn_softc *sc, int ms) 5195 { 5196 if (sc->sc_running == false) 5197 DELAY(ms * 1000); 5198 else 5199 usbd_delay_ms(sc->sc_udev, ms); 5200 } 5201 5202 MODULE(MODULE_CLASS_DRIVER, if_urtwn, NULL); 5203 5204 #ifdef _MODULE 5205 #include "ioconf.c" 5206 #endif 5207 5208 static int 5209 if_urtwn_modcmd(modcmd_t cmd, void *aux) 5210 { 5211 int error = 0; 5212 5213 switch (cmd) { 5214 case MODULE_CMD_INIT: 5215 #ifdef _MODULE 5216 error = config_init_component(cfdriver_ioconf_urtwn, 5217 cfattach_ioconf_urtwn, cfdata_ioconf_urtwn); 5218 #endif 5219 return error; 5220 case MODULE_CMD_FINI: 5221 #ifdef _MODULE 5222 error = config_fini_component(cfdriver_ioconf_urtwn, 5223 cfattach_ioconf_urtwn, cfdata_ioconf_urtwn); 5224 #endif 5225 return error; 5226 default: 5227 return ENOTTY; 5228 } 5229 } 5230
Indexes created Tue Sep 30 20:09:53 GMT 2025