if_urtwn.c revision 251596
1251538Srpaulo/* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */ 2251538Srpaulo 3251538Srpaulo/*- 4251538Srpaulo * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> 5251538Srpaulo * 6251538Srpaulo * Permission to use, copy, modify, and distribute this software for any 7251538Srpaulo * purpose with or without fee is hereby granted, provided that the above 8251538Srpaulo * copyright notice and this permission notice appear in all copies. 9251538Srpaulo * 10251538Srpaulo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11251538Srpaulo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12251538Srpaulo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13251538Srpaulo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14251538Srpaulo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15251538Srpaulo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16251538Srpaulo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17251538Srpaulo */ 18251538Srpaulo 19251538Srpaulo#include <sys/cdefs.h> 20251538Srpaulo__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_urtwn.c 251596 2013-06-10 05:45:16Z rpaulo $"); 21251538Srpaulo 22251538Srpaulo/* 23251538Srpaulo * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188RU/RTL8192CU. 24251538Srpaulo */ 25251538Srpaulo 26251538Srpaulo#include <sys/param.h> 27251538Srpaulo#include <sys/sockio.h> 28251538Srpaulo#include <sys/sysctl.h> 29251538Srpaulo#include <sys/lock.h> 30251538Srpaulo#include <sys/mutex.h> 31251538Srpaulo#include <sys/mbuf.h> 32251538Srpaulo#include <sys/kernel.h> 33251538Srpaulo#include <sys/socket.h> 34251538Srpaulo#include <sys/systm.h> 35251538Srpaulo#include <sys/malloc.h> 36251538Srpaulo#include <sys/module.h> 37251538Srpaulo#include <sys/bus.h> 38251538Srpaulo#include <sys/endian.h> 39251538Srpaulo#include <sys/linker.h> 40251538Srpaulo#include <sys/firmware.h> 41251538Srpaulo#include <sys/kdb.h> 42251538Srpaulo 43251538Srpaulo#include <machine/bus.h> 44251538Srpaulo#include <machine/resource.h> 45251538Srpaulo#include <sys/rman.h> 46251538Srpaulo 47251538Srpaulo#include <net/bpf.h> 48251538Srpaulo#include <net/if.h> 49251538Srpaulo#include <net/if_arp.h> 50251538Srpaulo#include <net/ethernet.h> 51251538Srpaulo#include <net/if_dl.h> 52251538Srpaulo#include <net/if_media.h> 53251538Srpaulo#include <net/if_types.h> 54251538Srpaulo 55251538Srpaulo#include <netinet/in.h> 56251538Srpaulo#include <netinet/in_systm.h> 57251538Srpaulo#include <netinet/in_var.h> 58251538Srpaulo#include <netinet/if_ether.h> 59251538Srpaulo#include <netinet/ip.h> 60251538Srpaulo 61251538Srpaulo#include <net80211/ieee80211_var.h> 62251538Srpaulo#include <net80211/ieee80211_regdomain.h> 63251538Srpaulo#include <net80211/ieee80211_radiotap.h> 64251538Srpaulo#include <net80211/ieee80211_ratectl.h> 65251538Srpaulo 66251538Srpaulo#include <dev/usb/usb.h> 67251538Srpaulo#include <dev/usb/usbdi.h> 68251538Srpaulo#include "usbdevs.h" 69251538Srpaulo 70251538Srpaulo#define USB_DEBUG_VAR urtwn_debug 71251538Srpaulo#include <dev/usb/usb_debug.h> 72251538Srpaulo 73251538Srpaulo#include <dev/usb/wlan/if_urtwnreg.h> 74251538Srpaulo 75251538Srpaulo#ifdef USB_DEBUG 76251538Srpaulostatic int urtwn_debug = 0; 77251538Srpaulo 78251538SrpauloSYSCTL_NODE(_hw_usb, OID_AUTO, urtwn, CTLFLAG_RW, 0, "USB urtwn"); 79251538SrpauloSYSCTL_INT(_hw_usb_urtwn, OID_AUTO, debug, CTLFLAG_RW, &urtwn_debug, 0, 80251538Srpaulo "Debug level"); 81251538Srpaulo#endif 82251538Srpaulo 83251538Srpaulo#define IEEE80211_HAS_ADDR4(wh) \ 84251538Srpaulo (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 85251538Srpaulo 86251538Srpaulo/* various supported device vendors/products */ 87251596Srpaulostatic const STRUCT_USB_HOST_ID urtwn_devs[] = { 88251538Srpaulo#define URTWN_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 89251538Srpaulo URTWN_DEV(ABOCOM, RTL8188CU_1), 90251538Srpaulo URTWN_DEV(ABOCOM, RTL8188CU_2), 91251538Srpaulo URTWN_DEV(ABOCOM, RTL8192CU), 92251538Srpaulo URTWN_DEV(ASUS, RTL8192CU), 93251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CE_1), 94251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CE_2), 95251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CU), 96251538Srpaulo URTWN_DEV(BELKIN, F7D2102), 97251538Srpaulo URTWN_DEV(BELKIN, RTL8188CU), 98251538Srpaulo URTWN_DEV(BELKIN, RTL8192CU), 99251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_1), 100251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_2), 101251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_3), 102251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_4), 103251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_5), 104251538Srpaulo URTWN_DEV(COREGA, RTL8192CU), 105251538Srpaulo URTWN_DEV(DLINK, RTL8188CU), 106251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_1), 107251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_2), 108251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_3), 109251538Srpaulo URTWN_DEV(EDIMAX, EW7811UN), 110251538Srpaulo URTWN_DEV(EDIMAX, RTL8192CU), 111251538Srpaulo URTWN_DEV(FEIXUN, RTL8188CU), 112251538Srpaulo URTWN_DEV(FEIXUN, RTL8192CU), 113251538Srpaulo URTWN_DEV(GUILLEMOT, HWNUP150), 114251538Srpaulo URTWN_DEV(HAWKING, RTL8192CU), 115251538Srpaulo URTWN_DEV(HP3, RTL8188CU), 116251538Srpaulo URTWN_DEV(NETGEAR, WNA1000M), 117251538Srpaulo URTWN_DEV(NETGEAR, RTL8192CU), 118251538Srpaulo URTWN_DEV(NETGEAR4, RTL8188CU), 119251538Srpaulo URTWN_DEV(NOVATECH, RTL8188CU), 120251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_1), 121251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_2), 122251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_3), 123251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_4), 124251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CUS), 125251538Srpaulo URTWN_DEV(PLANEX2, RTL8192CU), 126251538Srpaulo URTWN_DEV(REALTEK, RTL8188CE_0), 127251538Srpaulo URTWN_DEV(REALTEK, RTL8188CE_1), 128251538Srpaulo URTWN_DEV(REALTEK, RTL8188CTV), 129251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_0), 130251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_1), 131251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_2), 132251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_COMBO), 133251538Srpaulo URTWN_DEV(REALTEK, RTL8188CUS), 134251538Srpaulo URTWN_DEV(REALTEK, RTL8188RU_1), 135251538Srpaulo URTWN_DEV(REALTEK, RTL8188RU_2), 136251538Srpaulo URTWN_DEV(REALTEK, RTL8191CU), 137251538Srpaulo URTWN_DEV(REALTEK, RTL8192CE), 138251538Srpaulo URTWN_DEV(REALTEK, RTL8192CU), 139251538Srpaulo URTWN_DEV(SITECOMEU, RTL8188CU_1), 140251538Srpaulo URTWN_DEV(SITECOMEU, RTL8188CU_2), 141251538Srpaulo URTWN_DEV(SITECOMEU, RTL8192CU), 142251538Srpaulo URTWN_DEV(TRENDNET, RTL8188CU), 143251538Srpaulo URTWN_DEV(TRENDNET, RTL8192CU), 144251538Srpaulo URTWN_DEV(ZYXEL, RTL8192CU), 145251538Srpaulo#undef URTWN_DEV 146251538Srpaulo}; 147251538Srpaulo 148251538Srpaulostatic device_probe_t urtwn_match; 149251538Srpaulostatic device_attach_t urtwn_attach; 150251538Srpaulostatic device_detach_t urtwn_detach; 151251538Srpaulo 152251538Srpaulostatic usb_callback_t urtwn_bulk_tx_callback; 153251538Srpaulostatic usb_callback_t urtwn_bulk_rx_callback; 154251538Srpaulo 155251538Srpaulostatic usb_error_t urtwn_do_request(struct urtwn_softc *sc, 156251538Srpaulo struct usb_device_request *req, void *data); 157251538Srpaulostatic struct ieee80211vap *urtwn_vap_create(struct ieee80211com *, 158251538Srpaulo const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 159251538Srpaulo const uint8_t [IEEE80211_ADDR_LEN], 160251538Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 161251538Srpaulostatic void urtwn_vap_delete(struct ieee80211vap *); 162251538Srpaulostatic struct mbuf * urtwn_rx_frame(struct urtwn_softc *, uint8_t *, int, 163251538Srpaulo int *); 164251538Srpaulostatic struct mbuf * urtwn_rxeof(struct usb_xfer *, struct urtwn_data *, 165251538Srpaulo int *, int8_t *); 166251538Srpaulostatic void urtwn_txeof(struct usb_xfer *, struct urtwn_data *); 167251538Srpaulostatic int urtwn_alloc_list(struct urtwn_softc *, 168251538Srpaulo struct urtwn_data[], int, int); 169251538Srpaulostatic int urtwn_alloc_rx_list(struct urtwn_softc *); 170251538Srpaulostatic int urtwn_alloc_tx_list(struct urtwn_softc *); 171251538Srpaulostatic void urtwn_free_tx_list(struct urtwn_softc *); 172251538Srpaulostatic void urtwn_free_rx_list(struct urtwn_softc *); 173251538Srpaulostatic void urtwn_free_list(struct urtwn_softc *, 174251538Srpaulo struct urtwn_data data[], int); 175251538Srpaulostatic struct urtwn_data * _urtwn_getbuf(struct urtwn_softc *); 176251538Srpaulostatic struct urtwn_data * urtwn_getbuf(struct urtwn_softc *); 177251538Srpaulostatic int urtwn_write_region_1(struct urtwn_softc *, uint16_t, 178251538Srpaulo uint8_t *, int); 179251538Srpaulostatic void urtwn_write_1(struct urtwn_softc *, uint16_t, uint8_t); 180251538Srpaulostatic void urtwn_write_2(struct urtwn_softc *, uint16_t, uint16_t); 181251538Srpaulostatic void urtwn_write_4(struct urtwn_softc *, uint16_t, uint32_t); 182251538Srpaulostatic int urtwn_read_region_1(struct urtwn_softc *, uint16_t, 183251538Srpaulo uint8_t *, int); 184251538Srpaulostatic uint8_t urtwn_read_1(struct urtwn_softc *, uint16_t); 185251538Srpaulostatic uint16_t urtwn_read_2(struct urtwn_softc *, uint16_t); 186251538Srpaulostatic uint32_t urtwn_read_4(struct urtwn_softc *, uint16_t); 187251538Srpaulostatic int urtwn_fw_cmd(struct urtwn_softc *, uint8_t, 188251538Srpaulo const void *, int); 189251538Srpaulostatic void urtwn_rf_write(struct urtwn_softc *, int, uint8_t, 190251538Srpaulo uint32_t); 191251538Srpaulostatic uint32_t urtwn_rf_read(struct urtwn_softc *, int, uint8_t); 192251538Srpaulostatic int urtwn_llt_write(struct urtwn_softc *, uint32_t, 193251538Srpaulo uint32_t); 194251538Srpaulostatic uint8_t urtwn_efuse_read_1(struct urtwn_softc *, uint16_t); 195251538Srpaulostatic void urtwn_efuse_read(struct urtwn_softc *); 196251538Srpaulostatic int urtwn_read_chipid(struct urtwn_softc *); 197251538Srpaulostatic void urtwn_read_rom(struct urtwn_softc *); 198251538Srpaulostatic int urtwn_ra_init(struct urtwn_softc *); 199251538Srpaulostatic void urtwn_tsf_sync_enable(struct urtwn_softc *); 200251538Srpaulostatic void urtwn_set_led(struct urtwn_softc *, int, int); 201251538Srpaulostatic int urtwn_newstate(struct ieee80211vap *, 202251538Srpaulo enum ieee80211_state, int); 203251538Srpaulostatic void urtwn_watchdog(void *); 204251538Srpaulostatic void urtwn_update_avgrssi(struct urtwn_softc *, int, int8_t); 205251538Srpaulostatic int8_t urtwn_get_rssi(struct urtwn_softc *, int, void *); 206251538Srpaulostatic int urtwn_tx_start(struct urtwn_softc *, 207251538Srpaulo struct ieee80211_node *, struct mbuf *, 208251538Srpaulo struct urtwn_data *); 209251538Srpaulostatic void urtwn_start(struct ifnet *); 210251538Srpaulostatic int urtwn_ioctl(struct ifnet *, u_long, caddr_t); 211251538Srpaulostatic int urtwn_power_on(struct urtwn_softc *); 212251538Srpaulostatic int urtwn_llt_init(struct urtwn_softc *); 213251538Srpaulostatic void urtwn_fw_reset(struct urtwn_softc *); 214251538Srpaulostatic int urtwn_fw_loadpage(struct urtwn_softc *, int, 215251538Srpaulo const uint8_t *, int); 216251538Srpaulostatic int urtwn_load_firmware(struct urtwn_softc *); 217251538Srpaulostatic int urtwn_dma_init(struct urtwn_softc *); 218251538Srpaulostatic void urtwn_mac_init(struct urtwn_softc *); 219251538Srpaulostatic void urtwn_bb_init(struct urtwn_softc *); 220251538Srpaulostatic void urtwn_rf_init(struct urtwn_softc *); 221251538Srpaulostatic void urtwn_cam_init(struct urtwn_softc *); 222251538Srpaulostatic void urtwn_pa_bias_init(struct urtwn_softc *); 223251538Srpaulostatic void urtwn_rxfilter_init(struct urtwn_softc *); 224251538Srpaulostatic void urtwn_edca_init(struct urtwn_softc *); 225251538Srpaulostatic void urtwn_write_txpower(struct urtwn_softc *, int, 226251538Srpaulo uint16_t[]); 227251538Srpaulostatic void urtwn_get_txpower(struct urtwn_softc *, int, 228251538Srpaulo struct ieee80211_channel *, 229251538Srpaulo struct ieee80211_channel *, uint16_t[]); 230251538Srpaulostatic void urtwn_set_txpower(struct urtwn_softc *, 231251538Srpaulo struct ieee80211_channel *, 232251538Srpaulo struct ieee80211_channel *); 233251538Srpaulostatic void urtwn_scan_start(struct ieee80211com *); 234251538Srpaulostatic void urtwn_scan_end(struct ieee80211com *); 235251538Srpaulostatic void urtwn_set_channel(struct ieee80211com *); 236251538Srpaulostatic void urtwn_set_chan(struct urtwn_softc *, 237251538Srpaulo struct ieee80211_channel *, 238251538Srpaulo struct ieee80211_channel *); 239251538Srpaulostatic void urtwn_update_mcast(struct ifnet *); 240251538Srpaulostatic void urtwn_iq_calib(struct urtwn_softc *); 241251538Srpaulostatic void urtwn_lc_calib(struct urtwn_softc *); 242251538Srpaulostatic void urtwn_init(void *); 243251538Srpaulostatic void urtwn_init_locked(void *); 244251538Srpaulostatic void urtwn_stop(struct ifnet *, int); 245251538Srpaulostatic void urtwn_stop_locked(struct ifnet *, int); 246251538Srpaulostatic void urtwn_abort_xfers(struct urtwn_softc *); 247251538Srpaulostatic int urtwn_raw_xmit(struct ieee80211_node *, struct mbuf *, 248251538Srpaulo const struct ieee80211_bpf_params *); 249251538Srpaulo 250251538Srpaulo/* Aliases. */ 251251538Srpaulo#define urtwn_bb_write urtwn_write_4 252251538Srpaulo#define urtwn_bb_read urtwn_read_4 253251538Srpaulo 254251538Srpaulostatic const struct usb_config urtwn_config[URTWN_N_TRANSFER] = { 255251538Srpaulo [URTWN_BULK_RX] = { 256251538Srpaulo .type = UE_BULK, 257251538Srpaulo .endpoint = UE_ADDR_ANY, 258251538Srpaulo .direction = UE_DIR_IN, 259251538Srpaulo .bufsize = URTWN_RXBUFSZ, 260251538Srpaulo .flags = { 261251538Srpaulo .pipe_bof = 1, 262251538Srpaulo .short_xfer_ok = 1 263251538Srpaulo }, 264251538Srpaulo .callback = urtwn_bulk_rx_callback, 265251538Srpaulo }, 266251538Srpaulo [URTWN_BULK_TX_BE] = { 267251538Srpaulo .type = UE_BULK, 268251538Srpaulo .endpoint = 0x03, 269251538Srpaulo .direction = UE_DIR_OUT, 270251538Srpaulo .bufsize = URTWN_TXBUFSZ, 271251538Srpaulo .flags = { 272251538Srpaulo .ext_buffer = 1, 273251538Srpaulo .pipe_bof = 1, 274251538Srpaulo .force_short_xfer = 1 275251538Srpaulo }, 276251538Srpaulo .callback = urtwn_bulk_tx_callback, 277251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 278251538Srpaulo }, 279251538Srpaulo [URTWN_BULK_TX_BK] = { 280251538Srpaulo .type = UE_BULK, 281251538Srpaulo .endpoint = 0x03, 282251538Srpaulo .direction = UE_DIR_OUT, 283251538Srpaulo .bufsize = URTWN_TXBUFSZ, 284251538Srpaulo .flags = { 285251538Srpaulo .ext_buffer = 1, 286251538Srpaulo .pipe_bof = 1, 287251538Srpaulo .force_short_xfer = 1, 288251538Srpaulo }, 289251538Srpaulo .callback = urtwn_bulk_tx_callback, 290251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 291251538Srpaulo }, 292251538Srpaulo [URTWN_BULK_TX_VI] = { 293251538Srpaulo .type = UE_BULK, 294251538Srpaulo .endpoint = 0x02, 295251538Srpaulo .direction = UE_DIR_OUT, 296251538Srpaulo .bufsize = URTWN_TXBUFSZ, 297251538Srpaulo .flags = { 298251538Srpaulo .ext_buffer = 1, 299251538Srpaulo .pipe_bof = 1, 300251538Srpaulo .force_short_xfer = 1 301251538Srpaulo }, 302251538Srpaulo .callback = urtwn_bulk_tx_callback, 303251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 304251538Srpaulo }, 305251538Srpaulo [URTWN_BULK_TX_VO] = { 306251538Srpaulo .type = UE_BULK, 307251538Srpaulo .endpoint = 0x02, 308251538Srpaulo .direction = UE_DIR_OUT, 309251538Srpaulo .bufsize = URTWN_TXBUFSZ, 310251538Srpaulo .flags = { 311251538Srpaulo .ext_buffer = 1, 312251538Srpaulo .pipe_bof = 1, 313251538Srpaulo .force_short_xfer = 1 314251538Srpaulo }, 315251538Srpaulo .callback = urtwn_bulk_tx_callback, 316251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 317251538Srpaulo }, 318251538Srpaulo}; 319251538Srpaulo 320251538Srpaulostatic int 321251538Srpaulourtwn_match(device_t self) 322251538Srpaulo{ 323251538Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 324251538Srpaulo 325251538Srpaulo if (uaa->usb_mode != USB_MODE_HOST) 326251538Srpaulo return (ENXIO); 327251538Srpaulo if (uaa->info.bConfigIndex != URTWN_CONFIG_INDEX) 328251538Srpaulo return (ENXIO); 329251538Srpaulo if (uaa->info.bIfaceIndex != URTWN_IFACE_INDEX) 330251538Srpaulo return (ENXIO); 331251538Srpaulo 332251538Srpaulo return (usbd_lookup_id_by_uaa(urtwn_devs, sizeof(urtwn_devs), uaa)); 333251538Srpaulo} 334251538Srpaulo 335251538Srpaulostatic int 336251538Srpaulourtwn_attach(device_t self) 337251538Srpaulo{ 338251538Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 339251538Srpaulo struct urtwn_softc *sc = device_get_softc(self); 340251538Srpaulo struct ifnet *ifp; 341251538Srpaulo struct ieee80211com *ic; 342251538Srpaulo uint8_t iface_index, bands; 343251538Srpaulo int error; 344251538Srpaulo 345251538Srpaulo device_set_usb_desc(self); 346251538Srpaulo sc->sc_udev = uaa->device; 347251538Srpaulo sc->sc_dev = self; 348251538Srpaulo 349251538Srpaulo mtx_init(&sc->sc_mtx, device_get_nameunit(self), 350251538Srpaulo MTX_NETWORK_LOCK, MTX_DEF); 351251538Srpaulo callout_init(&sc->sc_watchdog_ch, 0); 352251538Srpaulo 353251538Srpaulo iface_index = URTWN_IFACE_INDEX; 354251538Srpaulo error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 355251538Srpaulo urtwn_config, URTWN_N_TRANSFER, sc, &sc->sc_mtx); 356251538Srpaulo if (error) { 357251538Srpaulo device_printf(self, "could not allocate USB transfers, " 358251538Srpaulo "err=%s\n", usbd_errstr(error)); 359251538Srpaulo goto detach; 360251538Srpaulo } 361251538Srpaulo 362251538Srpaulo URTWN_LOCK(sc); 363251538Srpaulo 364251538Srpaulo error = urtwn_read_chipid(sc); 365251538Srpaulo if (error) { 366251538Srpaulo device_printf(sc->sc_dev, "unsupported test chip\n"); 367251538Srpaulo URTWN_UNLOCK(sc); 368251538Srpaulo goto detach; 369251538Srpaulo } 370251538Srpaulo 371251538Srpaulo /* Determine number of Tx/Rx chains. */ 372251538Srpaulo if (sc->chip & URTWN_CHIP_92C) { 373251538Srpaulo sc->ntxchains = (sc->chip & URTWN_CHIP_92C_1T2R) ? 1 : 2; 374251538Srpaulo sc->nrxchains = 2; 375251538Srpaulo } else { 376251538Srpaulo sc->ntxchains = 1; 377251538Srpaulo sc->nrxchains = 1; 378251538Srpaulo } 379251538Srpaulo urtwn_read_rom(sc); 380251538Srpaulo 381251538Srpaulo device_printf(sc->sc_dev, "MAC/BB RTL%s, RF 6052 %dT%dR\n", 382251538Srpaulo (sc->chip & URTWN_CHIP_92C) ? "8192CU" : 383251538Srpaulo (sc->board_type == R92C_BOARD_TYPE_HIGHPA) ? "8188RU" : 384251538Srpaulo (sc->board_type == R92C_BOARD_TYPE_MINICARD) ? "8188CE-VAU" : 385251538Srpaulo "8188CUS", sc->ntxchains, sc->nrxchains); 386251538Srpaulo 387251538Srpaulo URTWN_UNLOCK(sc); 388251538Srpaulo 389251538Srpaulo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 390251538Srpaulo if (ifp == NULL) { 391251538Srpaulo device_printf(sc->sc_dev, "can not if_alloc()\n"); 392251538Srpaulo goto detach; 393251538Srpaulo } 394251538Srpaulo ic = ifp->if_l2com; 395251538Srpaulo 396251538Srpaulo ifp->if_softc = sc; 397251538Srpaulo if_initname(ifp, "urtwn", device_get_unit(sc->sc_dev)); 398251538Srpaulo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 399251538Srpaulo ifp->if_init = urtwn_init; 400251538Srpaulo ifp->if_ioctl = urtwn_ioctl; 401251538Srpaulo ifp->if_start = urtwn_start; 402251538Srpaulo IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 403251538Srpaulo ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 404251538Srpaulo IFQ_SET_READY(&ifp->if_snd); 405251538Srpaulo 406251538Srpaulo ic->ic_ifp = ifp; 407251538Srpaulo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 408251538Srpaulo ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 409251538Srpaulo 410251538Srpaulo /* set device capabilities */ 411251538Srpaulo ic->ic_caps = 412251538Srpaulo IEEE80211_C_STA /* station mode */ 413251538Srpaulo | IEEE80211_C_MONITOR /* monitor mode */ 414251538Srpaulo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 415251538Srpaulo | IEEE80211_C_SHSLOT /* short slot time supported */ 416251538Srpaulo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 417251538Srpaulo | IEEE80211_C_WPA /* 802.11i */ 418251538Srpaulo ; 419251538Srpaulo 420251538Srpaulo bands = 0; 421251538Srpaulo setbit(&bands, IEEE80211_MODE_11B); 422251538Srpaulo setbit(&bands, IEEE80211_MODE_11G); 423251538Srpaulo ieee80211_init_channels(ic, NULL, &bands); 424251538Srpaulo 425251538Srpaulo ieee80211_ifattach(ic, sc->sc_bssid); 426251538Srpaulo ic->ic_raw_xmit = urtwn_raw_xmit; 427251538Srpaulo ic->ic_scan_start = urtwn_scan_start; 428251538Srpaulo ic->ic_scan_end = urtwn_scan_end; 429251538Srpaulo ic->ic_set_channel = urtwn_set_channel; 430251538Srpaulo 431251538Srpaulo ic->ic_vap_create = urtwn_vap_create; 432251538Srpaulo ic->ic_vap_delete = urtwn_vap_delete; 433251538Srpaulo ic->ic_update_mcast = urtwn_update_mcast; 434251538Srpaulo 435251538Srpaulo ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr, 436251538Srpaulo sizeof(sc->sc_txtap), URTWN_TX_RADIOTAP_PRESENT, 437251538Srpaulo &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 438251538Srpaulo URTWN_RX_RADIOTAP_PRESENT); 439251538Srpaulo 440251538Srpaulo if (bootverbose) 441251538Srpaulo ieee80211_announce(ic); 442251538Srpaulo 443251538Srpaulo return (0); 444251538Srpaulo 445251538Srpaulodetach: 446251538Srpaulo urtwn_detach(self); 447251538Srpaulo return (ENXIO); /* failure */ 448251538Srpaulo} 449251538Srpaulo 450251538Srpaulostatic int 451251538Srpaulourtwn_detach(device_t self) 452251538Srpaulo{ 453251538Srpaulo struct urtwn_softc *sc = device_get_softc(self); 454251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 455251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 456251538Srpaulo 457251538Srpaulo if (!device_is_attached(self)) 458251538Srpaulo return (0); 459251538Srpaulo 460251538Srpaulo urtwn_stop(ifp, 1); 461251538Srpaulo 462251538Srpaulo callout_drain(&sc->sc_watchdog_ch); 463251538Srpaulo 464251538Srpaulo /* stop all USB transfers */ 465251538Srpaulo usbd_transfer_unsetup(sc->sc_xfer, URTWN_N_TRANSFER); 466251538Srpaulo ieee80211_ifdetach(ic); 467251538Srpaulo 468251538Srpaulo urtwn_free_tx_list(sc); 469251538Srpaulo urtwn_free_rx_list(sc); 470251538Srpaulo 471251538Srpaulo if_free(ifp); 472251538Srpaulo mtx_destroy(&sc->sc_mtx); 473251538Srpaulo 474251538Srpaulo return (0); 475251538Srpaulo} 476251538Srpaulo 477251538Srpaulostatic void 478251538Srpaulourtwn_free_tx_list(struct urtwn_softc *sc) 479251538Srpaulo{ 480251538Srpaulo urtwn_free_list(sc, sc->sc_tx, URTWN_TX_LIST_COUNT); 481251538Srpaulo} 482251538Srpaulo 483251538Srpaulostatic void 484251538Srpaulourtwn_free_rx_list(struct urtwn_softc *sc) 485251538Srpaulo{ 486251538Srpaulo urtwn_free_list(sc, sc->sc_rx, URTWN_RX_LIST_COUNT); 487251538Srpaulo} 488251538Srpaulo 489251538Srpaulostatic void 490251538Srpaulourtwn_free_list(struct urtwn_softc *sc, struct urtwn_data data[], int ndata) 491251538Srpaulo{ 492251538Srpaulo int i; 493251538Srpaulo 494251538Srpaulo for (i = 0; i < ndata; i++) { 495251538Srpaulo struct urtwn_data *dp = &data[i]; 496251538Srpaulo 497251538Srpaulo if (dp->buf != NULL) { 498251538Srpaulo free(dp->buf, M_USBDEV); 499251538Srpaulo dp->buf = NULL; 500251538Srpaulo } 501251538Srpaulo if (dp->ni != NULL) { 502251538Srpaulo ieee80211_free_node(dp->ni); 503251538Srpaulo dp->ni = NULL; 504251538Srpaulo } 505251538Srpaulo } 506251538Srpaulo} 507251538Srpaulo 508251538Srpaulostatic usb_error_t 509251538Srpaulourtwn_do_request(struct urtwn_softc *sc, struct usb_device_request *req, 510251538Srpaulo void *data) 511251538Srpaulo{ 512251538Srpaulo usb_error_t err; 513251538Srpaulo int ntries = 10; 514251538Srpaulo 515251538Srpaulo URTWN_ASSERT_LOCKED(sc); 516251538Srpaulo 517251538Srpaulo while (ntries--) { 518251538Srpaulo err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 519251538Srpaulo req, data, 0, NULL, 250 /* ms */); 520251538Srpaulo if (err == 0) 521251538Srpaulo break; 522251538Srpaulo 523251538Srpaulo DPRINTFN(1, "Control request failed, %s (retrying)\n", 524251538Srpaulo usbd_errstr(err)); 525251538Srpaulo usb_pause_mtx(&sc->sc_mtx, hz / 100); 526251538Srpaulo } 527251538Srpaulo return (err); 528251538Srpaulo} 529251538Srpaulo 530251538Srpaulostatic struct ieee80211vap * 531251538Srpaulourtwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 532251538Srpaulo enum ieee80211_opmode opmode, int flags, 533251538Srpaulo const uint8_t bssid[IEEE80211_ADDR_LEN], 534251538Srpaulo const uint8_t mac[IEEE80211_ADDR_LEN]) 535251538Srpaulo{ 536251538Srpaulo struct urtwn_vap *uvp; 537251538Srpaulo struct ieee80211vap *vap; 538251538Srpaulo 539251538Srpaulo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 540251538Srpaulo return (NULL); 541251538Srpaulo 542251538Srpaulo uvp = (struct urtwn_vap *) malloc(sizeof(struct urtwn_vap), 543251538Srpaulo M_80211_VAP, M_NOWAIT | M_ZERO); 544251538Srpaulo if (uvp == NULL) 545251538Srpaulo return (NULL); 546251538Srpaulo vap = &uvp->vap; 547251538Srpaulo /* enable s/w bmiss handling for sta mode */ 548251538Srpaulo ieee80211_vap_setup(ic, vap, name, unit, opmode, 549251538Srpaulo flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 550251538Srpaulo 551251538Srpaulo /* override state transition machine */ 552251538Srpaulo uvp->newstate = vap->iv_newstate; 553251538Srpaulo vap->iv_newstate = urtwn_newstate; 554251538Srpaulo 555251538Srpaulo /* complete setup */ 556251538Srpaulo ieee80211_vap_attach(vap, ieee80211_media_change, 557251538Srpaulo ieee80211_media_status); 558251538Srpaulo ic->ic_opmode = opmode; 559251538Srpaulo return (vap); 560251538Srpaulo} 561251538Srpaulo 562251538Srpaulostatic void 563251538Srpaulourtwn_vap_delete(struct ieee80211vap *vap) 564251538Srpaulo{ 565251538Srpaulo struct urtwn_vap *uvp = URTWN_VAP(vap); 566251538Srpaulo 567251538Srpaulo ieee80211_vap_detach(vap); 568251538Srpaulo free(uvp, M_80211_VAP); 569251538Srpaulo} 570251538Srpaulo 571251538Srpaulostatic struct mbuf * 572251538Srpaulourtwn_rx_frame(struct urtwn_softc *sc, uint8_t *buf, int pktlen, int *rssi_p) 573251538Srpaulo{ 574251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 575251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 576251538Srpaulo struct ieee80211_frame *wh; 577251538Srpaulo struct mbuf *m; 578251538Srpaulo struct r92c_rx_stat *stat; 579251538Srpaulo uint32_t rxdw0, rxdw3; 580251538Srpaulo uint8_t rate; 581251538Srpaulo int8_t rssi = 0; 582251538Srpaulo int infosz; 583251538Srpaulo 584251538Srpaulo /* 585251538Srpaulo * don't pass packets to the ieee80211 framework if the driver isn't 586251538Srpaulo * RUNNING. 587251538Srpaulo */ 588251538Srpaulo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 589251538Srpaulo return (NULL); 590251538Srpaulo 591251538Srpaulo stat = (struct r92c_rx_stat *)buf; 592251538Srpaulo rxdw0 = le32toh(stat->rxdw0); 593251538Srpaulo rxdw3 = le32toh(stat->rxdw3); 594251538Srpaulo 595251538Srpaulo if (rxdw0 & (R92C_RXDW0_CRCERR | R92C_RXDW0_ICVERR)) { 596251538Srpaulo /* 597251538Srpaulo * This should not happen since we setup our Rx filter 598251538Srpaulo * to not receive these frames. 599251538Srpaulo */ 600251538Srpaulo ifp->if_ierrors++; 601251538Srpaulo return (NULL); 602251538Srpaulo } 603251538Srpaulo 604251538Srpaulo rate = MS(rxdw3, R92C_RXDW3_RATE); 605251538Srpaulo infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 606251538Srpaulo 607251538Srpaulo /* Get RSSI from PHY status descriptor if present. */ 608251538Srpaulo if (infosz != 0 && (rxdw0 & R92C_RXDW0_PHYST)) { 609251538Srpaulo rssi = urtwn_get_rssi(sc, rate, &stat[1]); 610251538Srpaulo /* Update our average RSSI. */ 611251538Srpaulo urtwn_update_avgrssi(sc, rate, rssi); 612251538Srpaulo } 613251538Srpaulo 614251538Srpaulo m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 615251538Srpaulo if (m == NULL) { 616251538Srpaulo device_printf(sc->sc_dev, "could not create RX mbuf\n"); 617251538Srpaulo return (NULL); 618251538Srpaulo } 619251538Srpaulo 620251538Srpaulo /* Finalize mbuf. */ 621251538Srpaulo m->m_pkthdr.rcvif = ifp; 622251538Srpaulo wh = (struct ieee80211_frame *)((uint8_t *)&stat[1] + infosz); 623251538Srpaulo memcpy(mtod(m, uint8_t *), wh, pktlen); 624251538Srpaulo m->m_pkthdr.len = m->m_len = pktlen; 625251538Srpaulo 626251538Srpaulo if (ieee80211_radiotap_active(ic)) { 627251538Srpaulo struct urtwn_rx_radiotap_header *tap = &sc->sc_rxtap; 628251538Srpaulo 629251538Srpaulo tap->wr_flags = 0; 630251538Srpaulo /* Map HW rate index to 802.11 rate. */ 631251538Srpaulo if (!(rxdw3 & R92C_RXDW3_HT)) { 632251538Srpaulo switch (rate) { 633251538Srpaulo /* CCK. */ 634251538Srpaulo case 0: tap->wr_rate = 2; break; 635251538Srpaulo case 1: tap->wr_rate = 4; break; 636251538Srpaulo case 2: tap->wr_rate = 11; break; 637251538Srpaulo case 3: tap->wr_rate = 22; break; 638251538Srpaulo /* OFDM. */ 639251538Srpaulo case 4: tap->wr_rate = 12; break; 640251538Srpaulo case 5: tap->wr_rate = 18; break; 641251538Srpaulo case 6: tap->wr_rate = 24; break; 642251538Srpaulo case 7: tap->wr_rate = 36; break; 643251538Srpaulo case 8: tap->wr_rate = 48; break; 644251538Srpaulo case 9: tap->wr_rate = 72; break; 645251538Srpaulo case 10: tap->wr_rate = 96; break; 646251538Srpaulo case 11: tap->wr_rate = 108; break; 647251538Srpaulo } 648251538Srpaulo } else if (rate >= 12) { /* MCS0~15. */ 649251538Srpaulo /* Bit 7 set means HT MCS instead of rate. */ 650251538Srpaulo tap->wr_rate = 0x80 | (rate - 12); 651251538Srpaulo } 652251538Srpaulo tap->wr_dbm_antsignal = rssi; 653251538Srpaulo tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 654251538Srpaulo tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 655251538Srpaulo } 656251538Srpaulo 657251538Srpaulo *rssi_p = rssi; 658251538Srpaulo 659251538Srpaulo return (m); 660251538Srpaulo} 661251538Srpaulo 662251538Srpaulostatic struct mbuf * 663251538Srpaulourtwn_rxeof(struct usb_xfer *xfer, struct urtwn_data *data, int *rssi, 664251538Srpaulo int8_t *nf) 665251538Srpaulo{ 666251538Srpaulo struct urtwn_softc *sc = data->sc; 667251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 668251538Srpaulo struct r92c_rx_stat *stat; 669251538Srpaulo struct mbuf *m, *m0 = NULL, *prevm = NULL; 670251538Srpaulo uint32_t rxdw0; 671251538Srpaulo uint8_t *buf; 672251538Srpaulo int len, totlen, pktlen, infosz, npkts; 673251538Srpaulo 674251538Srpaulo usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 675251538Srpaulo 676251538Srpaulo if (len < sizeof(*stat)) { 677251538Srpaulo ifp->if_ierrors++; 678251538Srpaulo return (NULL); 679251538Srpaulo } 680251538Srpaulo 681251538Srpaulo buf = data->buf; 682251538Srpaulo /* Get the number of encapsulated frames. */ 683251538Srpaulo stat = (struct r92c_rx_stat *)buf; 684251538Srpaulo npkts = MS(le32toh(stat->rxdw2), R92C_RXDW2_PKTCNT); 685251538Srpaulo DPRINTFN(6, "Rx %d frames in one chunk\n", npkts); 686251538Srpaulo 687251538Srpaulo /* Process all of them. */ 688251538Srpaulo while (npkts-- > 0) { 689251538Srpaulo if (len < sizeof(*stat)) 690251538Srpaulo break; 691251538Srpaulo stat = (struct r92c_rx_stat *)buf; 692251538Srpaulo rxdw0 = le32toh(stat->rxdw0); 693251538Srpaulo 694251538Srpaulo pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); 695251538Srpaulo if (pktlen == 0) 696251538Srpaulo break; 697251538Srpaulo 698251538Srpaulo infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 699251538Srpaulo 700251538Srpaulo /* Make sure everything fits in xfer. */ 701251538Srpaulo totlen = sizeof(*stat) + infosz + pktlen; 702251538Srpaulo if (totlen > len) 703251538Srpaulo break; 704251538Srpaulo 705251538Srpaulo m = urtwn_rx_frame(sc, buf, pktlen, rssi); 706251538Srpaulo if (m0 == NULL) 707251538Srpaulo m0 = m; 708251538Srpaulo if (prevm == NULL) 709251538Srpaulo prevm = m; 710251538Srpaulo else { 711251538Srpaulo prevm->m_next = m; 712251538Srpaulo prevm = m; 713251538Srpaulo } 714251538Srpaulo 715251538Srpaulo /* Next chunk is 128-byte aligned. */ 716251538Srpaulo totlen = (totlen + 127) & ~127; 717251538Srpaulo buf += totlen; 718251538Srpaulo len -= totlen; 719251538Srpaulo } 720251538Srpaulo 721251538Srpaulo return (m0); 722251538Srpaulo} 723251538Srpaulo 724251538Srpaulostatic void 725251538Srpaulourtwn_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 726251538Srpaulo{ 727251538Srpaulo struct urtwn_softc *sc = usbd_xfer_softc(xfer); 728251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 729251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 730251538Srpaulo struct ieee80211_frame *wh; 731251538Srpaulo struct ieee80211_node *ni; 732251538Srpaulo struct mbuf *m = NULL, *next; 733251538Srpaulo struct urtwn_data *data; 734251538Srpaulo int8_t nf; 735251538Srpaulo int rssi = 1; 736251538Srpaulo 737251538Srpaulo URTWN_ASSERT_LOCKED(sc); 738251538Srpaulo 739251538Srpaulo switch (USB_GET_STATE(xfer)) { 740251538Srpaulo case USB_ST_TRANSFERRED: 741251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 742251538Srpaulo if (data == NULL) 743251538Srpaulo goto tr_setup; 744251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 745251538Srpaulo m = urtwn_rxeof(xfer, data, &rssi, &nf); 746251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 747251538Srpaulo /* FALLTHROUGH */ 748251538Srpaulo case USB_ST_SETUP: 749251538Srpaulotr_setup: 750251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_inactive); 751251538Srpaulo if (data == NULL) { 752251538Srpaulo KASSERT(m == NULL, ("mbuf isn't NULL")); 753251538Srpaulo return; 754251538Srpaulo } 755251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 756251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 757251538Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, 758251538Srpaulo usbd_xfer_max_len(xfer)); 759251538Srpaulo usbd_transfer_submit(xfer); 760251538Srpaulo 761251538Srpaulo /* 762251538Srpaulo * To avoid LOR we should unlock our private mutex here to call 763251538Srpaulo * ieee80211_input() because here is at the end of a USB 764251538Srpaulo * callback and safe to unlock. 765251538Srpaulo */ 766251538Srpaulo URTWN_UNLOCK(sc); 767251538Srpaulo while (m != NULL) { 768251538Srpaulo next = m->m_next; 769251538Srpaulo m->m_next = NULL; 770251538Srpaulo wh = mtod(m, struct ieee80211_frame *); 771251538Srpaulo ni = ieee80211_find_rxnode(ic, 772251538Srpaulo (struct ieee80211_frame_min *)wh); 773251538Srpaulo nf = URTWN_NOISE_FLOOR; 774251538Srpaulo if (ni != NULL) { 775251538Srpaulo (void)ieee80211_input(ni, m, rssi, nf); 776251538Srpaulo ieee80211_free_node(ni); 777251538Srpaulo } else 778251538Srpaulo (void)ieee80211_input_all(ic, m, rssi, nf); 779251538Srpaulo m = next; 780251538Srpaulo } 781251538Srpaulo URTWN_LOCK(sc); 782251538Srpaulo break; 783251538Srpaulo default: 784251538Srpaulo /* needs it to the inactive queue due to a error. */ 785251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 786251538Srpaulo if (data != NULL) { 787251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 788251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 789251538Srpaulo } 790251538Srpaulo if (error != USB_ERR_CANCELLED) { 791251538Srpaulo usbd_xfer_set_stall(xfer); 792251538Srpaulo ifp->if_ierrors++; 793251538Srpaulo goto tr_setup; 794251538Srpaulo } 795251538Srpaulo break; 796251538Srpaulo } 797251538Srpaulo} 798251538Srpaulo 799251538Srpaulostatic void 800251538Srpaulourtwn_txeof(struct usb_xfer *xfer, struct urtwn_data *data) 801251538Srpaulo{ 802251538Srpaulo struct urtwn_softc *sc = usbd_xfer_softc(xfer); 803251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 804251538Srpaulo struct mbuf *m; 805251538Srpaulo 806251538Srpaulo URTWN_ASSERT_LOCKED(sc); 807251538Srpaulo 808251538Srpaulo /* 809251538Srpaulo * Do any tx complete callback. Note this must be done before releasing 810251538Srpaulo * the node reference. 811251538Srpaulo */ 812251538Srpaulo if (data->m) { 813251538Srpaulo m = data->m; 814251538Srpaulo if (m->m_flags & M_TXCB) { 815251538Srpaulo /* XXX status? */ 816251538Srpaulo ieee80211_process_callback(data->ni, m, 0); 817251538Srpaulo } 818251538Srpaulo m_freem(m); 819251538Srpaulo data->m = NULL; 820251538Srpaulo } 821251538Srpaulo if (data->ni) { 822251538Srpaulo ieee80211_free_node(data->ni); 823251538Srpaulo data->ni = NULL; 824251538Srpaulo } 825251538Srpaulo sc->sc_txtimer = 0; 826251538Srpaulo ifp->if_opackets++; 827251538Srpaulo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 828251538Srpaulo} 829251538Srpaulo 830251538Srpaulostatic void 831251538Srpaulourtwn_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 832251538Srpaulo{ 833251538Srpaulo struct urtwn_softc *sc = usbd_xfer_softc(xfer); 834251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 835251538Srpaulo struct urtwn_data *data; 836251538Srpaulo 837251538Srpaulo URTWN_ASSERT_LOCKED(sc); 838251538Srpaulo 839251538Srpaulo switch (USB_GET_STATE(xfer)){ 840251538Srpaulo case USB_ST_TRANSFERRED: 841251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_active); 842251538Srpaulo if (data == NULL) 843251538Srpaulo goto tr_setup; 844251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 845251538Srpaulo urtwn_txeof(xfer, data); 846251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 847251538Srpaulo /* FALLTHROUGH */ 848251538Srpaulo case USB_ST_SETUP: 849251538Srpaulotr_setup: 850251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_pending); 851251538Srpaulo if (data == NULL) { 852251538Srpaulo DPRINTF("%s: empty pending queue\n", __func__); 853251538Srpaulo return; 854251538Srpaulo } 855251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 856251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 857251538Srpaulo 858251538Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 859251538Srpaulo usbd_transfer_submit(xfer); 860251538Srpaulo 861251538Srpaulo URTWN_UNLOCK(sc); 862251538Srpaulo urtwn_start(ifp); 863251538Srpaulo URTWN_LOCK(sc); 864251538Srpaulo break; 865251538Srpaulo default: 866251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_active); 867251538Srpaulo if (data == NULL) 868251538Srpaulo goto tr_setup; 869251538Srpaulo if (data->ni != NULL) { 870251538Srpaulo ieee80211_free_node(data->ni); 871251538Srpaulo data->ni = NULL; 872251538Srpaulo ifp->if_oerrors++; 873251538Srpaulo } 874251538Srpaulo if (error != USB_ERR_CANCELLED) { 875251538Srpaulo usbd_xfer_set_stall(xfer); 876251538Srpaulo goto tr_setup; 877251538Srpaulo } 878251538Srpaulo break; 879251538Srpaulo } 880251538Srpaulo} 881251538Srpaulo 882251538Srpaulostatic struct urtwn_data * 883251538Srpaulo_urtwn_getbuf(struct urtwn_softc *sc) 884251538Srpaulo{ 885251538Srpaulo struct urtwn_data *bf; 886251538Srpaulo 887251538Srpaulo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 888251538Srpaulo if (bf != NULL) 889251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 890251538Srpaulo else 891251538Srpaulo bf = NULL; 892251538Srpaulo if (bf == NULL) 893251538Srpaulo DPRINTF("%s: %s\n", __func__, "out of xmit buffers"); 894251538Srpaulo return (bf); 895251538Srpaulo} 896251538Srpaulo 897251538Srpaulostatic struct urtwn_data * 898251538Srpaulourtwn_getbuf(struct urtwn_softc *sc) 899251538Srpaulo{ 900251538Srpaulo struct urtwn_data *bf; 901251538Srpaulo 902251538Srpaulo URTWN_ASSERT_LOCKED(sc); 903251538Srpaulo 904251538Srpaulo bf = _urtwn_getbuf(sc); 905251538Srpaulo if (bf == NULL) { 906251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 907251538Srpaulo DPRINTF("%s: stop queue\n", __func__); 908251538Srpaulo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 909251538Srpaulo } 910251538Srpaulo return (bf); 911251538Srpaulo} 912251538Srpaulo 913251538Srpaulostatic int 914251538Srpaulourtwn_write_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 915251538Srpaulo int len) 916251538Srpaulo{ 917251538Srpaulo usb_device_request_t req; 918251538Srpaulo 919251538Srpaulo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 920251538Srpaulo req.bRequest = R92C_REQ_REGS; 921251538Srpaulo USETW(req.wValue, addr); 922251538Srpaulo USETW(req.wIndex, 0); 923251538Srpaulo USETW(req.wLength, len); 924251538Srpaulo return (urtwn_do_request(sc, &req, buf)); 925251538Srpaulo} 926251538Srpaulo 927251538Srpaulostatic void 928251538Srpaulourtwn_write_1(struct urtwn_softc *sc, uint16_t addr, uint8_t val) 929251538Srpaulo{ 930251538Srpaulo urtwn_write_region_1(sc, addr, &val, 1); 931251538Srpaulo} 932251538Srpaulo 933251538Srpaulo 934251538Srpaulostatic void 935251538Srpaulourtwn_write_2(struct urtwn_softc *sc, uint16_t addr, uint16_t val) 936251538Srpaulo{ 937251538Srpaulo val = htole16(val); 938251538Srpaulo urtwn_write_region_1(sc, addr, (uint8_t *)&val, 2); 939251538Srpaulo} 940251538Srpaulo 941251538Srpaulostatic void 942251538Srpaulourtwn_write_4(struct urtwn_softc *sc, uint16_t addr, uint32_t val) 943251538Srpaulo{ 944251538Srpaulo val = htole32(val); 945251538Srpaulo urtwn_write_region_1(sc, addr, (uint8_t *)&val, 4); 946251538Srpaulo} 947251538Srpaulo 948251538Srpaulostatic int 949251538Srpaulourtwn_read_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 950251538Srpaulo int len) 951251538Srpaulo{ 952251538Srpaulo usb_device_request_t req; 953251538Srpaulo 954251538Srpaulo req.bmRequestType = UT_READ_VENDOR_DEVICE; 955251538Srpaulo req.bRequest = R92C_REQ_REGS; 956251538Srpaulo USETW(req.wValue, addr); 957251538Srpaulo USETW(req.wIndex, 0); 958251538Srpaulo USETW(req.wLength, len); 959251538Srpaulo return (urtwn_do_request(sc, &req, buf)); 960251538Srpaulo} 961251538Srpaulo 962251538Srpaulostatic uint8_t 963251538Srpaulourtwn_read_1(struct urtwn_softc *sc, uint16_t addr) 964251538Srpaulo{ 965251538Srpaulo uint8_t val; 966251538Srpaulo 967251538Srpaulo if (urtwn_read_region_1(sc, addr, &val, 1) != 0) 968251538Srpaulo return (0xff); 969251538Srpaulo return (val); 970251538Srpaulo} 971251538Srpaulo 972251538Srpaulostatic uint16_t 973251538Srpaulourtwn_read_2(struct urtwn_softc *sc, uint16_t addr) 974251538Srpaulo{ 975251538Srpaulo uint16_t val; 976251538Srpaulo 977251538Srpaulo if (urtwn_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0) 978251538Srpaulo return (0xffff); 979251538Srpaulo return (le16toh(val)); 980251538Srpaulo} 981251538Srpaulo 982251538Srpaulostatic uint32_t 983251538Srpaulourtwn_read_4(struct urtwn_softc *sc, uint16_t addr) 984251538Srpaulo{ 985251538Srpaulo uint32_t val; 986251538Srpaulo 987251538Srpaulo if (urtwn_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0) 988251538Srpaulo return (0xffffffff); 989251538Srpaulo return (le32toh(val)); 990251538Srpaulo} 991251538Srpaulo 992251538Srpaulostatic int 993251538Srpaulourtwn_fw_cmd(struct urtwn_softc *sc, uint8_t id, const void *buf, int len) 994251538Srpaulo{ 995251538Srpaulo struct r92c_fw_cmd cmd; 996251538Srpaulo int ntries; 997251538Srpaulo 998251538Srpaulo /* Wait for current FW box to be empty. */ 999251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 1000251538Srpaulo if (!(urtwn_read_1(sc, R92C_HMETFR) & (1 << sc->fwcur))) 1001251538Srpaulo break; 1002251538Srpaulo DELAY(1); 1003251538Srpaulo } 1004251538Srpaulo if (ntries == 100) { 1005251538Srpaulo device_printf(sc->sc_dev, 1006251538Srpaulo "could not send firmware command\n"); 1007251538Srpaulo return (ETIMEDOUT); 1008251538Srpaulo } 1009251538Srpaulo memset(&cmd, 0, sizeof(cmd)); 1010251538Srpaulo cmd.id = id; 1011251538Srpaulo if (len > 3) 1012251538Srpaulo cmd.id |= R92C_CMD_FLAG_EXT; 1013251538Srpaulo KASSERT(len <= sizeof(cmd.msg), ("urtwn_fw_cmd\n")); 1014251538Srpaulo memcpy(cmd.msg, buf, len); 1015251538Srpaulo 1016251538Srpaulo /* Write the first word last since that will trigger the FW. */ 1017251538Srpaulo urtwn_write_region_1(sc, R92C_HMEBOX_EXT(sc->fwcur), 1018251538Srpaulo (uint8_t *)&cmd + 4, 2); 1019251538Srpaulo urtwn_write_region_1(sc, R92C_HMEBOX(sc->fwcur), 1020251538Srpaulo (uint8_t *)&cmd + 0, 4); 1021251538Srpaulo 1022251538Srpaulo sc->fwcur = (sc->fwcur + 1) % R92C_H2C_NBOX; 1023251538Srpaulo return (0); 1024251538Srpaulo} 1025251538Srpaulo 1026251538Srpaulostatic void 1027251538Srpaulourtwn_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, uint32_t val) 1028251538Srpaulo{ 1029251538Srpaulo urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1030251538Srpaulo SM(R92C_LSSI_PARAM_ADDR, addr) | 1031251538Srpaulo SM(R92C_LSSI_PARAM_DATA, val)); 1032251538Srpaulo} 1033251538Srpaulo 1034251538Srpaulostatic uint32_t 1035251538Srpaulourtwn_rf_read(struct urtwn_softc *sc, int chain, uint8_t addr) 1036251538Srpaulo{ 1037251538Srpaulo uint32_t reg[R92C_MAX_CHAINS], val; 1038251538Srpaulo 1039251538Srpaulo reg[0] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)); 1040251538Srpaulo if (chain != 0) 1041251538Srpaulo reg[chain] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(chain)); 1042251538Srpaulo 1043251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1044251538Srpaulo reg[0] & ~R92C_HSSI_PARAM2_READ_EDGE); 1045251538Srpaulo DELAY(1000); 1046251538Srpaulo 1047251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(chain), 1048251538Srpaulo RW(reg[chain], R92C_HSSI_PARAM2_READ_ADDR, addr) | 1049251538Srpaulo R92C_HSSI_PARAM2_READ_EDGE); 1050251538Srpaulo DELAY(1000); 1051251538Srpaulo 1052251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1053251538Srpaulo reg[0] | R92C_HSSI_PARAM2_READ_EDGE); 1054251538Srpaulo DELAY(1000); 1055251538Srpaulo 1056251538Srpaulo if (urtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI) 1057251538Srpaulo val = urtwn_bb_read(sc, R92C_HSPI_READBACK(chain)); 1058251538Srpaulo else 1059251538Srpaulo val = urtwn_bb_read(sc, R92C_LSSI_READBACK(chain)); 1060251538Srpaulo return (MS(val, R92C_LSSI_READBACK_DATA)); 1061251538Srpaulo} 1062251538Srpaulo 1063251538Srpaulostatic int 1064251538Srpaulourtwn_llt_write(struct urtwn_softc *sc, uint32_t addr, uint32_t data) 1065251538Srpaulo{ 1066251538Srpaulo int ntries; 1067251538Srpaulo 1068251538Srpaulo urtwn_write_4(sc, R92C_LLT_INIT, 1069251538Srpaulo SM(R92C_LLT_INIT_OP, R92C_LLT_INIT_OP_WRITE) | 1070251538Srpaulo SM(R92C_LLT_INIT_ADDR, addr) | 1071251538Srpaulo SM(R92C_LLT_INIT_DATA, data)); 1072251538Srpaulo /* Wait for write operation to complete. */ 1073251538Srpaulo for (ntries = 0; ntries < 20; ntries++) { 1074251538Srpaulo if (MS(urtwn_read_4(sc, R92C_LLT_INIT), R92C_LLT_INIT_OP) == 1075251538Srpaulo R92C_LLT_INIT_OP_NO_ACTIVE) 1076251538Srpaulo return (0); 1077251538Srpaulo DELAY(5); 1078251538Srpaulo } 1079251538Srpaulo return (ETIMEDOUT); 1080251538Srpaulo} 1081251538Srpaulo 1082251538Srpaulostatic uint8_t 1083251538Srpaulourtwn_efuse_read_1(struct urtwn_softc *sc, uint16_t addr) 1084251538Srpaulo{ 1085251538Srpaulo uint32_t reg; 1086251538Srpaulo int ntries; 1087251538Srpaulo 1088251538Srpaulo reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1089251538Srpaulo reg = RW(reg, R92C_EFUSE_CTRL_ADDR, addr); 1090251538Srpaulo reg &= ~R92C_EFUSE_CTRL_VALID; 1091251538Srpaulo urtwn_write_4(sc, R92C_EFUSE_CTRL, reg); 1092251538Srpaulo /* Wait for read operation to complete. */ 1093251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 1094251538Srpaulo reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1095251538Srpaulo if (reg & R92C_EFUSE_CTRL_VALID) 1096251538Srpaulo return (MS(reg, R92C_EFUSE_CTRL_DATA)); 1097251538Srpaulo DELAY(5); 1098251538Srpaulo } 1099251538Srpaulo device_printf(sc->sc_dev, 1100251538Srpaulo "could not read efuse byte at address 0x%x\n", addr); 1101251538Srpaulo return (0xff); 1102251538Srpaulo} 1103251538Srpaulo 1104251538Srpaulostatic void 1105251538Srpaulourtwn_efuse_read(struct urtwn_softc *sc) 1106251538Srpaulo{ 1107251538Srpaulo uint8_t *rom = (uint8_t *)&sc->rom; 1108251538Srpaulo uint16_t addr = 0; 1109251538Srpaulo uint32_t reg; 1110251538Srpaulo uint8_t off, msk; 1111251538Srpaulo int i; 1112251538Srpaulo 1113251538Srpaulo reg = urtwn_read_2(sc, R92C_SYS_ISO_CTRL); 1114251538Srpaulo if (!(reg & R92C_SYS_ISO_CTRL_PWC_EV12V)) { 1115251538Srpaulo urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 1116251538Srpaulo reg | R92C_SYS_ISO_CTRL_PWC_EV12V); 1117251538Srpaulo } 1118251538Srpaulo reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 1119251538Srpaulo if (!(reg & R92C_SYS_FUNC_EN_ELDR)) { 1120251538Srpaulo urtwn_write_2(sc, R92C_SYS_FUNC_EN, 1121251538Srpaulo reg | R92C_SYS_FUNC_EN_ELDR); 1122251538Srpaulo } 1123251538Srpaulo reg = urtwn_read_2(sc, R92C_SYS_CLKR); 1124251538Srpaulo if ((reg & (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) != 1125251538Srpaulo (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) { 1126251538Srpaulo urtwn_write_2(sc, R92C_SYS_CLKR, 1127251538Srpaulo reg | R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M); 1128251538Srpaulo } 1129251538Srpaulo memset(&sc->rom, 0xff, sizeof(sc->rom)); 1130251538Srpaulo while (addr < 512) { 1131251538Srpaulo reg = urtwn_efuse_read_1(sc, addr); 1132251538Srpaulo if (reg == 0xff) 1133251538Srpaulo break; 1134251538Srpaulo addr++; 1135251538Srpaulo off = reg >> 4; 1136251538Srpaulo msk = reg & 0xf; 1137251538Srpaulo for (i = 0; i < 4; i++) { 1138251538Srpaulo if (msk & (1 << i)) 1139251538Srpaulo continue; 1140251538Srpaulo rom[off * 8 + i * 2 + 0] = 1141251538Srpaulo urtwn_efuse_read_1(sc, addr); 1142251538Srpaulo addr++; 1143251538Srpaulo rom[off * 8 + i * 2 + 1] = 1144251538Srpaulo urtwn_efuse_read_1(sc, addr); 1145251538Srpaulo addr++; 1146251538Srpaulo } 1147251538Srpaulo } 1148251538Srpaulo#ifdef URTWN_DEBUG 1149251538Srpaulo if (urtwn_debug >= 2) { 1150251538Srpaulo /* Dump ROM content. */ 1151251538Srpaulo printf("\n"); 1152251538Srpaulo for (i = 0; i < sizeof(sc->rom); i++) 1153251538Srpaulo printf("%02x:", rom[i]); 1154251538Srpaulo printf("\n"); 1155251538Srpaulo } 1156251538Srpaulo#endif 1157251538Srpaulo} 1158251538Srpaulo 1159251538Srpaulostatic int 1160251538Srpaulourtwn_read_chipid(struct urtwn_softc *sc) 1161251538Srpaulo{ 1162251538Srpaulo uint32_t reg; 1163251538Srpaulo 1164251538Srpaulo reg = urtwn_read_4(sc, R92C_SYS_CFG); 1165251538Srpaulo if (reg & R92C_SYS_CFG_TRP_VAUX_EN) 1166251538Srpaulo return (EIO); 1167251538Srpaulo 1168251538Srpaulo if (reg & R92C_SYS_CFG_TYPE_92C) { 1169251538Srpaulo sc->chip |= URTWN_CHIP_92C; 1170251538Srpaulo /* Check if it is a castrated 8192C. */ 1171251538Srpaulo if (MS(urtwn_read_4(sc, R92C_HPON_FSM), 1172251538Srpaulo R92C_HPON_FSM_CHIP_BONDING_ID) == 1173251538Srpaulo R92C_HPON_FSM_CHIP_BONDING_ID_92C_1T2R) 1174251538Srpaulo sc->chip |= URTWN_CHIP_92C_1T2R; 1175251538Srpaulo } 1176251538Srpaulo if (reg & R92C_SYS_CFG_VENDOR_UMC) { 1177251538Srpaulo sc->chip |= URTWN_CHIP_UMC; 1178251538Srpaulo if (MS(reg, R92C_SYS_CFG_CHIP_VER_RTL) == 0) 1179251538Srpaulo sc->chip |= URTWN_CHIP_UMC_A_CUT; 1180251538Srpaulo } 1181251538Srpaulo return (0); 1182251538Srpaulo} 1183251538Srpaulo 1184251538Srpaulostatic void 1185251538Srpaulourtwn_read_rom(struct urtwn_softc *sc) 1186251538Srpaulo{ 1187251538Srpaulo struct r92c_rom *rom = &sc->rom; 1188251538Srpaulo 1189251538Srpaulo /* Read full ROM image. */ 1190251538Srpaulo urtwn_efuse_read(sc); 1191251538Srpaulo 1192251538Srpaulo /* XXX Weird but this is what the vendor driver does. */ 1193251538Srpaulo sc->pa_setting = urtwn_efuse_read_1(sc, 0x1fa); 1194251538Srpaulo DPRINTF("PA setting=0x%x\n", sc->pa_setting); 1195251538Srpaulo 1196251538Srpaulo sc->board_type = MS(rom->rf_opt1, R92C_ROM_RF1_BOARD_TYPE); 1197251538Srpaulo 1198251538Srpaulo sc->regulatory = MS(rom->rf_opt1, R92C_ROM_RF1_REGULATORY); 1199251538Srpaulo DPRINTF("regulatory type=%d\n", sc->regulatory); 1200251538Srpaulo 1201251538Srpaulo IEEE80211_ADDR_COPY(sc->sc_bssid, rom->macaddr); 1202251538Srpaulo} 1203251538Srpaulo 1204251538Srpaulo/* 1205251538Srpaulo * Initialize rate adaptation in firmware. 1206251538Srpaulo */ 1207251538Srpaulostatic int 1208251538Srpaulourtwn_ra_init(struct urtwn_softc *sc) 1209251538Srpaulo{ 1210251538Srpaulo static const uint8_t map[] = 1211251538Srpaulo { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1212251538Srpaulo struct ieee80211com *ic = sc->sc_ifp->if_l2com; 1213251538Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1214251538Srpaulo struct ieee80211_node *ni; 1215251538Srpaulo struct ieee80211_rateset *rs; 1216251538Srpaulo struct r92c_fw_cmd_macid_cfg cmd; 1217251538Srpaulo uint32_t rates, basicrates; 1218251538Srpaulo uint8_t mode; 1219251538Srpaulo int maxrate, maxbasicrate, error, i, j; 1220251538Srpaulo 1221251538Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1222251538Srpaulo rs = &ni->ni_rates; 1223251538Srpaulo 1224251538Srpaulo /* Get normal and basic rates mask. */ 1225251538Srpaulo rates = basicrates = 0; 1226251538Srpaulo maxrate = maxbasicrate = 0; 1227251538Srpaulo for (i = 0; i < rs->rs_nrates; i++) { 1228251538Srpaulo /* Convert 802.11 rate to HW rate index. */ 1229251538Srpaulo for (j = 0; j < nitems(map); j++) 1230251538Srpaulo if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == map[j]) 1231251538Srpaulo break; 1232251538Srpaulo if (j == nitems(map)) /* Unknown rate, skip. */ 1233251538Srpaulo continue; 1234251538Srpaulo rates |= 1 << j; 1235251538Srpaulo if (j > maxrate) 1236251538Srpaulo maxrate = j; 1237251538Srpaulo if (rs->rs_rates[i] & IEEE80211_RATE_BASIC) { 1238251538Srpaulo basicrates |= 1 << j; 1239251538Srpaulo if (j > maxbasicrate) 1240251538Srpaulo maxbasicrate = j; 1241251538Srpaulo } 1242251538Srpaulo } 1243251538Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1244251538Srpaulo mode = R92C_RAID_11B; 1245251538Srpaulo else 1246251538Srpaulo mode = R92C_RAID_11BG; 1247251538Srpaulo DPRINTF("mode=0x%x rates=0x%08x, basicrates=0x%08x\n", 1248251538Srpaulo mode, rates, basicrates); 1249251538Srpaulo 1250251538Srpaulo /* Set rates mask for group addressed frames. */ 1251251538Srpaulo cmd.macid = URTWN_MACID_BC | URTWN_MACID_VALID; 1252251538Srpaulo cmd.mask = htole32(mode << 28 | basicrates); 1253251538Srpaulo error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1254251538Srpaulo if (error != 0) { 1255251538Srpaulo device_printf(sc->sc_dev, 1256251538Srpaulo "could not add broadcast station\n"); 1257251538Srpaulo return (error); 1258251538Srpaulo } 1259251538Srpaulo /* Set initial MRR rate. */ 1260251538Srpaulo DPRINTF("maxbasicrate=%d\n", maxbasicrate); 1261251538Srpaulo urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BC), 1262251538Srpaulo maxbasicrate); 1263251538Srpaulo 1264251538Srpaulo /* Set rates mask for unicast frames. */ 1265251538Srpaulo cmd.macid = URTWN_MACID_BSS | URTWN_MACID_VALID; 1266251538Srpaulo cmd.mask = htole32(mode << 28 | rates); 1267251538Srpaulo error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1268251538Srpaulo if (error != 0) { 1269251538Srpaulo device_printf(sc->sc_dev, "could not add BSS station\n"); 1270251538Srpaulo return (error); 1271251538Srpaulo } 1272251538Srpaulo /* Set initial MRR rate. */ 1273251538Srpaulo DPRINTF("maxrate=%d\n", maxrate); 1274251538Srpaulo urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BSS), 1275251538Srpaulo maxrate); 1276251538Srpaulo 1277251538Srpaulo /* Indicate highest supported rate. */ 1278251538Srpaulo ni->ni_txrate = rs->rs_nrates - 1; 1279251538Srpaulo return (0); 1280251538Srpaulo} 1281251538Srpaulo 1282251538Srpaulovoid 1283251538Srpaulourtwn_tsf_sync_enable(struct urtwn_softc *sc) 1284251538Srpaulo{ 1285251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 1286251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1287251538Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1288251538Srpaulo struct ieee80211_node *ni = vap->iv_bss; 1289251538Srpaulo 1290251538Srpaulo uint64_t tsf; 1291251538Srpaulo 1292251538Srpaulo /* Enable TSF synchronization. */ 1293251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 1294251538Srpaulo urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_DIS_TSF_UDT0); 1295251538Srpaulo 1296251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 1297251538Srpaulo urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_EN_BCN); 1298251538Srpaulo 1299251538Srpaulo /* Set initial TSF. */ 1300251538Srpaulo memcpy(&tsf, ni->ni_tstamp.data, 8); 1301251538Srpaulo tsf = le64toh(tsf); 1302251538Srpaulo tsf = tsf - (tsf % (vap->iv_bss->ni_intval * IEEE80211_DUR_TU)); 1303251538Srpaulo tsf -= IEEE80211_DUR_TU; 1304251538Srpaulo urtwn_write_4(sc, R92C_TSFTR + 0, tsf); 1305251538Srpaulo urtwn_write_4(sc, R92C_TSFTR + 4, tsf >> 32); 1306251538Srpaulo 1307251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 1308251538Srpaulo urtwn_read_1(sc, R92C_BCN_CTRL) | R92C_BCN_CTRL_EN_BCN); 1309251538Srpaulo} 1310251538Srpaulo 1311251538Srpaulostatic void 1312251538Srpaulourtwn_set_led(struct urtwn_softc *sc, int led, int on) 1313251538Srpaulo{ 1314251538Srpaulo uint8_t reg; 1315251538Srpaulo 1316251538Srpaulo if (led == URTWN_LED_LINK) { 1317251538Srpaulo reg = urtwn_read_1(sc, R92C_LEDCFG0) & 0x70; 1318251538Srpaulo if (!on) 1319251538Srpaulo reg |= R92C_LEDCFG0_DIS; 1320251538Srpaulo urtwn_write_1(sc, R92C_LEDCFG0, reg); 1321251538Srpaulo sc->ledlink = on; /* Save LED state. */ 1322251538Srpaulo } 1323251538Srpaulo} 1324251538Srpaulo 1325251538Srpaulostatic int 1326251538Srpaulourtwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1327251538Srpaulo{ 1328251538Srpaulo struct urtwn_vap *uvp = URTWN_VAP(vap); 1329251538Srpaulo struct ieee80211com *ic = vap->iv_ic; 1330251538Srpaulo struct urtwn_softc *sc = ic->ic_ifp->if_softc; 1331251538Srpaulo struct ieee80211_node *ni; 1332251538Srpaulo enum ieee80211_state ostate; 1333251538Srpaulo uint32_t reg; 1334251538Srpaulo 1335251538Srpaulo ostate = vap->iv_state; 1336251538Srpaulo DPRINTF("%s -> %s\n", ieee80211_state_name[ostate], 1337251538Srpaulo ieee80211_state_name[nstate]); 1338251538Srpaulo 1339251538Srpaulo IEEE80211_UNLOCK(ic); 1340251538Srpaulo URTWN_LOCK(sc); 1341251538Srpaulo callout_stop(&sc->sc_watchdog_ch); 1342251538Srpaulo 1343251538Srpaulo if (ostate == IEEE80211_S_RUN) { 1344251538Srpaulo /* Turn link LED off. */ 1345251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 0); 1346251538Srpaulo 1347251538Srpaulo /* Set media status to 'No Link'. */ 1348251538Srpaulo reg = urtwn_read_4(sc, R92C_CR); 1349251538Srpaulo reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_NOLINK); 1350251538Srpaulo urtwn_write_4(sc, R92C_CR, reg); 1351251538Srpaulo 1352251538Srpaulo /* Stop Rx of data frames. */ 1353251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1354251538Srpaulo 1355251538Srpaulo /* Rest TSF. */ 1356251538Srpaulo urtwn_write_1(sc, R92C_DUAL_TSF_RST, 0x03); 1357251538Srpaulo 1358251538Srpaulo /* Disable TSF synchronization. */ 1359251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 1360251538Srpaulo urtwn_read_1(sc, R92C_BCN_CTRL) | 1361251538Srpaulo R92C_BCN_CTRL_DIS_TSF_UDT0); 1362251538Srpaulo 1363251538Srpaulo /* Reset EDCA parameters. */ 1364251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217); 1365251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317); 1366251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320); 1367251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444); 1368251538Srpaulo } 1369251538Srpaulo 1370251538Srpaulo switch (nstate) { 1371251538Srpaulo case IEEE80211_S_INIT: 1372251538Srpaulo /* Turn link LED off. */ 1373251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 0); 1374251538Srpaulo break; 1375251538Srpaulo case IEEE80211_S_SCAN: 1376251538Srpaulo if (ostate != IEEE80211_S_SCAN) { 1377251538Srpaulo /* Allow Rx from any BSSID. */ 1378251538Srpaulo urtwn_write_4(sc, R92C_RCR, 1379251538Srpaulo urtwn_read_4(sc, R92C_RCR) & 1380251538Srpaulo ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 1381251538Srpaulo 1382251538Srpaulo /* Set gain for scanning. */ 1383251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 1384251538Srpaulo reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 1385251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 1386251538Srpaulo 1387251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 1388251538Srpaulo reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 1389251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 1390251538Srpaulo } 1391251538Srpaulo 1392251538Srpaulo /* Make link LED blink during scan. */ 1393251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, !sc->ledlink); 1394251538Srpaulo 1395251538Srpaulo /* Pause AC Tx queues. */ 1396251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 1397251538Srpaulo urtwn_read_1(sc, R92C_TXPAUSE) | 0x0f); 1398251538Srpaulo 1399251538Srpaulo urtwn_set_chan(sc, ic->ic_curchan, NULL); 1400251538Srpaulo break; 1401251538Srpaulo case IEEE80211_S_AUTH: 1402251538Srpaulo /* Set initial gain under link. */ 1403251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 1404251538Srpaulo reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 1405251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 1406251538Srpaulo 1407251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 1408251538Srpaulo reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 1409251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 1410251538Srpaulo 1411251538Srpaulo urtwn_set_chan(sc, ic->ic_curchan, NULL); 1412251538Srpaulo break; 1413251538Srpaulo case IEEE80211_S_RUN: 1414251538Srpaulo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 1415251538Srpaulo /* Enable Rx of data frames. */ 1416251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 1417251538Srpaulo 1418251538Srpaulo /* Turn link LED on. */ 1419251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 1); 1420251538Srpaulo break; 1421251538Srpaulo } 1422251538Srpaulo 1423251538Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1424251538Srpaulo /* Set media status to 'Associated'. */ 1425251538Srpaulo reg = urtwn_read_4(sc, R92C_CR); 1426251538Srpaulo reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_INFRA); 1427251538Srpaulo urtwn_write_4(sc, R92C_CR, reg); 1428251538Srpaulo 1429251538Srpaulo /* Set BSSID. */ 1430251538Srpaulo urtwn_write_4(sc, R92C_BSSID + 0, LE_READ_4(&ni->ni_bssid[0])); 1431251538Srpaulo urtwn_write_4(sc, R92C_BSSID + 4, LE_READ_2(&ni->ni_bssid[4])); 1432251538Srpaulo 1433251538Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1434251538Srpaulo urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 0); 1435251538Srpaulo else /* 802.11b/g */ 1436251538Srpaulo urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 3); 1437251538Srpaulo 1438251538Srpaulo /* Enable Rx of data frames. */ 1439251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 1440251538Srpaulo 1441251538Srpaulo /* Flush all AC queues. */ 1442251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 0); 1443251538Srpaulo 1444251538Srpaulo /* Set beacon interval. */ 1445251538Srpaulo urtwn_write_2(sc, R92C_BCN_INTERVAL, ni->ni_intval); 1446251538Srpaulo 1447251538Srpaulo /* Allow Rx from our BSSID only. */ 1448251538Srpaulo urtwn_write_4(sc, R92C_RCR, 1449251538Srpaulo urtwn_read_4(sc, R92C_RCR) | 1450251538Srpaulo R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN); 1451251538Srpaulo 1452251538Srpaulo /* Enable TSF synchronization. */ 1453251538Srpaulo urtwn_tsf_sync_enable(sc); 1454251538Srpaulo 1455251538Srpaulo urtwn_write_1(sc, R92C_SIFS_CCK + 1, 10); 1456251538Srpaulo urtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10); 1457251538Srpaulo urtwn_write_1(sc, R92C_SPEC_SIFS + 1, 10); 1458251538Srpaulo urtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, 10); 1459251538Srpaulo urtwn_write_1(sc, R92C_R2T_SIFS + 1, 10); 1460251538Srpaulo urtwn_write_1(sc, R92C_T2T_SIFS + 1, 10); 1461251538Srpaulo 1462251538Srpaulo /* Intialize rate adaptation. */ 1463251538Srpaulo urtwn_ra_init(sc); 1464251538Srpaulo /* Turn link LED on. */ 1465251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 1); 1466251538Srpaulo 1467251538Srpaulo sc->avg_pwdb = -1; /* Reset average RSSI. */ 1468251538Srpaulo /* Reset temperature calibration state machine. */ 1469251538Srpaulo sc->thcal_state = 0; 1470251538Srpaulo sc->thcal_lctemp = 0; 1471251538Srpaulo ieee80211_free_node(ni); 1472251538Srpaulo break; 1473251538Srpaulo default: 1474251538Srpaulo break; 1475251538Srpaulo } 1476251538Srpaulo URTWN_UNLOCK(sc); 1477251538Srpaulo IEEE80211_LOCK(ic); 1478251538Srpaulo return(uvp->newstate(vap, nstate, arg)); 1479251538Srpaulo} 1480251538Srpaulo 1481251538Srpaulostatic void 1482251538Srpaulourtwn_watchdog(void *arg) 1483251538Srpaulo{ 1484251538Srpaulo struct urtwn_softc *sc = arg; 1485251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 1486251538Srpaulo 1487251538Srpaulo if (sc->sc_txtimer > 0) { 1488251538Srpaulo if (--sc->sc_txtimer == 0) { 1489251538Srpaulo device_printf(sc->sc_dev, "device timeout\n"); 1490251538Srpaulo ifp->if_oerrors++; 1491251538Srpaulo return; 1492251538Srpaulo } 1493251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 1494251538Srpaulo } 1495251538Srpaulo} 1496251538Srpaulo 1497251538Srpaulostatic void 1498251538Srpaulourtwn_update_avgrssi(struct urtwn_softc *sc, int rate, int8_t rssi) 1499251538Srpaulo{ 1500251538Srpaulo int pwdb; 1501251538Srpaulo 1502251538Srpaulo /* Convert antenna signal to percentage. */ 1503251538Srpaulo if (rssi <= -100 || rssi >= 20) 1504251538Srpaulo pwdb = 0; 1505251538Srpaulo else if (rssi >= 0) 1506251538Srpaulo pwdb = 100; 1507251538Srpaulo else 1508251538Srpaulo pwdb = 100 + rssi; 1509251538Srpaulo if (rate <= 3) { 1510251538Srpaulo /* CCK gain is smaller than OFDM/MCS gain. */ 1511251538Srpaulo pwdb += 6; 1512251538Srpaulo if (pwdb > 100) 1513251538Srpaulo pwdb = 100; 1514251538Srpaulo if (pwdb <= 14) 1515251538Srpaulo pwdb -= 4; 1516251538Srpaulo else if (pwdb <= 26) 1517251538Srpaulo pwdb -= 8; 1518251538Srpaulo else if (pwdb <= 34) 1519251538Srpaulo pwdb -= 6; 1520251538Srpaulo else if (pwdb <= 42) 1521251538Srpaulo pwdb -= 2; 1522251538Srpaulo } 1523251538Srpaulo if (sc->avg_pwdb == -1) /* Init. */ 1524251538Srpaulo sc->avg_pwdb = pwdb; 1525251538Srpaulo else if (sc->avg_pwdb < pwdb) 1526251538Srpaulo sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20) + 1; 1527251538Srpaulo else 1528251538Srpaulo sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20); 1529251538Srpaulo DPRINTFN(4, "PWDB=%d EMA=%d\n", pwdb, sc->avg_pwdb); 1530251538Srpaulo} 1531251538Srpaulo 1532251538Srpaulostatic int8_t 1533251538Srpaulourtwn_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 1534251538Srpaulo{ 1535251538Srpaulo static const int8_t cckoff[] = { 16, -12, -26, -46 }; 1536251538Srpaulo struct r92c_rx_phystat *phy; 1537251538Srpaulo struct r92c_rx_cck *cck; 1538251538Srpaulo uint8_t rpt; 1539251538Srpaulo int8_t rssi; 1540251538Srpaulo 1541251538Srpaulo if (rate <= 3) { 1542251538Srpaulo cck = (struct r92c_rx_cck *)physt; 1543251538Srpaulo if (sc->sc_flags & URTWN_FLAG_CCK_HIPWR) { 1544251538Srpaulo rpt = (cck->agc_rpt >> 5) & 0x3; 1545251538Srpaulo rssi = (cck->agc_rpt & 0x1f) << 1; 1546251538Srpaulo } else { 1547251538Srpaulo rpt = (cck->agc_rpt >> 6) & 0x3; 1548251538Srpaulo rssi = cck->agc_rpt & 0x3e; 1549251538Srpaulo } 1550251538Srpaulo rssi = cckoff[rpt] - rssi; 1551251538Srpaulo } else { /* OFDM/HT. */ 1552251538Srpaulo phy = (struct r92c_rx_phystat *)physt; 1553251538Srpaulo rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 1554251538Srpaulo } 1555251538Srpaulo return (rssi); 1556251538Srpaulo} 1557251538Srpaulo 1558251538Srpaulostatic int 1559251538Srpaulourtwn_tx_start(struct urtwn_softc *sc, struct ieee80211_node *ni, 1560251538Srpaulo struct mbuf *m0, struct urtwn_data *data) 1561251538Srpaulo{ 1562251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 1563251538Srpaulo struct ieee80211_frame *wh; 1564251538Srpaulo struct ieee80211_key *k; 1565251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1566251538Srpaulo struct ieee80211vap *vap = ni->ni_vap; 1567251538Srpaulo struct usb_xfer *xfer; 1568251538Srpaulo struct r92c_tx_desc *txd; 1569251538Srpaulo uint8_t raid, type; 1570251538Srpaulo uint16_t sum; 1571251538Srpaulo int i, hasqos, xferlen; 1572251538Srpaulo struct usb_xfer *urtwn_pipes[4] = { 1573251538Srpaulo sc->sc_xfer[URTWN_BULK_TX_BE], 1574251538Srpaulo sc->sc_xfer[URTWN_BULK_TX_BK], 1575251538Srpaulo sc->sc_xfer[URTWN_BULK_TX_VI], 1576251538Srpaulo sc->sc_xfer[URTWN_BULK_TX_VO] 1577251538Srpaulo }; 1578251538Srpaulo 1579251538Srpaulo URTWN_ASSERT_LOCKED(sc); 1580251538Srpaulo 1581251538Srpaulo /* 1582251538Srpaulo * Software crypto. 1583251538Srpaulo */ 1584251538Srpaulo wh = mtod(m0, struct ieee80211_frame *); 1585251538Srpaulo if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1586251538Srpaulo k = ieee80211_crypto_encap(ni, m0); 1587251538Srpaulo if (k == NULL) { 1588251538Srpaulo device_printf(sc->sc_dev, 1589251538Srpaulo "ieee80211_crypto_encap returns NULL.\n"); 1590251538Srpaulo /* XXX we don't expect the fragmented frames */ 1591251538Srpaulo m_freem(m0); 1592251538Srpaulo return (ENOBUFS); 1593251538Srpaulo } 1594251538Srpaulo 1595251538Srpaulo /* in case packet header moved, reset pointer */ 1596251538Srpaulo wh = mtod(m0, struct ieee80211_frame *); 1597251538Srpaulo } 1598251538Srpaulo 1599251538Srpaulo switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) { 1600251538Srpaulo case IEEE80211_FC0_TYPE_CTL: 1601251538Srpaulo case IEEE80211_FC0_TYPE_MGT: 1602251538Srpaulo xfer = sc->sc_xfer[URTWN_BULK_TX_VO]; 1603251538Srpaulo break; 1604251538Srpaulo default: 1605251538Srpaulo KASSERT(M_WME_GETAC(m0) < 4, 1606251538Srpaulo ("unsupported WME pipe %d", M_WME_GETAC(m0))); 1607251538Srpaulo xfer = urtwn_pipes[M_WME_GETAC(m0)]; 1608251538Srpaulo break; 1609251538Srpaulo } 1610251538Srpaulo 1611251538Srpaulo hasqos = 0; 1612251538Srpaulo 1613251538Srpaulo /* Fill Tx descriptor. */ 1614251538Srpaulo txd = (struct r92c_tx_desc *)data->buf; 1615251538Srpaulo memset(txd, 0, sizeof(*txd)); 1616251538Srpaulo 1617251538Srpaulo txd->txdw0 |= htole32( 1618251538Srpaulo SM(R92C_TXDW0_PKTLEN, m0->m_pkthdr.len) | 1619251538Srpaulo SM(R92C_TXDW0_OFFSET, sizeof(*txd)) | 1620251538Srpaulo R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 1621251538Srpaulo if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1622251538Srpaulo txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 1623251538Srpaulo 1624251538Srpaulo type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1625251538Srpaulo if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 1626251538Srpaulo type == IEEE80211_FC0_TYPE_DATA) { 1627251538Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1628251538Srpaulo raid = R92C_RAID_11B; 1629251538Srpaulo else 1630251538Srpaulo raid = R92C_RAID_11BG; 1631251538Srpaulo txd->txdw1 |= htole32( 1632251538Srpaulo SM(R92C_TXDW1_MACID, URTWN_MACID_BSS) | 1633251538Srpaulo SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BE) | 1634251538Srpaulo SM(R92C_TXDW1_RAID, raid) | 1635251538Srpaulo R92C_TXDW1_AGGBK); 1636251538Srpaulo 1637251538Srpaulo if (ic->ic_flags & IEEE80211_F_USEPROT) { 1638251538Srpaulo if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 1639251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_CTS2SELF | 1640251538Srpaulo R92C_TXDW4_HWRTSEN); 1641251538Srpaulo } else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) { 1642251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 1643251538Srpaulo R92C_TXDW4_HWRTSEN); 1644251538Srpaulo } 1645251538Srpaulo } 1646251538Srpaulo /* Send RTS at OFDM24. */ 1647251538Srpaulo txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, 8)); 1648251538Srpaulo txd->txdw5 |= htole32(0x0001ff00); 1649251538Srpaulo /* Send data at OFDM54. */ 1650251538Srpaulo txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 11)); 1651251538Srpaulo } else { 1652251538Srpaulo txd->txdw1 |= htole32( 1653251538Srpaulo SM(R92C_TXDW1_MACID, 0) | 1654251538Srpaulo SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_MGNT) | 1655251538Srpaulo SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 1656251538Srpaulo 1657251538Srpaulo /* Force CCK1. */ 1658251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 1659251538Srpaulo txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 1660251538Srpaulo } 1661251538Srpaulo /* Set sequence number (already little endian). */ 1662251538Srpaulo txd->txdseq |= *(uint16_t *)wh->i_seq; 1663251538Srpaulo 1664251538Srpaulo if (!hasqos) { 1665251538Srpaulo /* Use HW sequence numbering for non-QoS frames. */ 1666251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ); 1667251538Srpaulo txd->txdseq |= htole16(0x8000); 1668251538Srpaulo } else 1669251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_QOS); 1670251538Srpaulo 1671251538Srpaulo /* Compute Tx descriptor checksum. */ 1672251538Srpaulo sum = 0; 1673251538Srpaulo for (i = 0; i < sizeof(*txd) / 2; i++) 1674251538Srpaulo sum ^= ((uint16_t *)txd)[i]; 1675251538Srpaulo txd->txdsum = sum; /* NB: already little endian. */ 1676251538Srpaulo 1677251538Srpaulo if (ieee80211_radiotap_active_vap(vap)) { 1678251538Srpaulo struct urtwn_tx_radiotap_header *tap = &sc->sc_txtap; 1679251538Srpaulo 1680251538Srpaulo tap->wt_flags = 0; 1681251538Srpaulo tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1682251538Srpaulo tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1683251538Srpaulo ieee80211_radiotap_tx(vap, m0); 1684251538Srpaulo } 1685251538Srpaulo 1686251538Srpaulo xferlen = sizeof(*txd) + m0->m_pkthdr.len; 1687251538Srpaulo m_copydata(m0, 0, m0->m_pkthdr.len, (caddr_t)&txd[1]); 1688251538Srpaulo 1689251538Srpaulo data->buflen = xferlen; 1690251538Srpaulo data->ni = ni; 1691251538Srpaulo data->m = m0; 1692251538Srpaulo 1693251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1694251538Srpaulo usbd_transfer_start(xfer); 1695251538Srpaulo return (0); 1696251538Srpaulo} 1697251538Srpaulo 1698251538Srpaulostatic void 1699251538Srpaulourtwn_start(struct ifnet *ifp) 1700251538Srpaulo{ 1701251538Srpaulo struct urtwn_softc *sc = ifp->if_softc; 1702251538Srpaulo struct ieee80211_node *ni; 1703251538Srpaulo struct mbuf *m; 1704251538Srpaulo struct urtwn_data *bf; 1705251538Srpaulo 1706251538Srpaulo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1707251538Srpaulo return; 1708251538Srpaulo 1709251538Srpaulo URTWN_LOCK(sc); 1710251538Srpaulo for (;;) { 1711251538Srpaulo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1712251538Srpaulo if (m == NULL) 1713251538Srpaulo break; 1714251538Srpaulo bf = urtwn_getbuf(sc); 1715251538Srpaulo if (bf == NULL) { 1716251538Srpaulo IFQ_DRV_PREPEND(&ifp->if_snd, m); 1717251538Srpaulo break; 1718251538Srpaulo } 1719251538Srpaulo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 1720251538Srpaulo m->m_pkthdr.rcvif = NULL; 1721251538Srpaulo 1722251538Srpaulo if (urtwn_tx_start(sc, ni, m, bf) != 0) { 1723251538Srpaulo ifp->if_oerrors++; 1724251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 1725251538Srpaulo ieee80211_free_node(ni); 1726251538Srpaulo break; 1727251538Srpaulo } 1728251538Srpaulo 1729251538Srpaulo sc->sc_txtimer = 5; 1730251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 1731251538Srpaulo } 1732251538Srpaulo URTWN_UNLOCK(sc); 1733251538Srpaulo} 1734251538Srpaulo 1735251538Srpaulostatic int 1736251538Srpaulourtwn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1737251538Srpaulo{ 1738251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1739251538Srpaulo struct ifreq *ifr = (struct ifreq *) data; 1740251538Srpaulo int error = 0, startall = 0; 1741251538Srpaulo 1742251538Srpaulo switch (cmd) { 1743251538Srpaulo case SIOCSIFFLAGS: 1744251538Srpaulo if (ifp->if_flags & IFF_UP) { 1745251538Srpaulo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1746251538Srpaulo urtwn_init(ifp->if_softc); 1747251538Srpaulo startall = 1; 1748251538Srpaulo } 1749251538Srpaulo } else { 1750251538Srpaulo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1751251538Srpaulo urtwn_stop(ifp, 1); 1752251538Srpaulo } 1753251538Srpaulo if (startall) 1754251538Srpaulo ieee80211_start_all(ic); 1755251538Srpaulo break; 1756251538Srpaulo case SIOCGIFMEDIA: 1757251538Srpaulo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1758251538Srpaulo break; 1759251538Srpaulo case SIOCGIFADDR: 1760251538Srpaulo error = ether_ioctl(ifp, cmd, data); 1761251538Srpaulo break; 1762251538Srpaulo default: 1763251538Srpaulo error = EINVAL; 1764251538Srpaulo break; 1765251538Srpaulo } 1766251538Srpaulo return (error); 1767251538Srpaulo} 1768251538Srpaulo 1769251538Srpaulostatic int 1770251538Srpaulourtwn_alloc_list(struct urtwn_softc *sc, struct urtwn_data data[], 1771251538Srpaulo int ndata, int maxsz) 1772251538Srpaulo{ 1773251538Srpaulo int i, error; 1774251538Srpaulo 1775251538Srpaulo for (i = 0; i < ndata; i++) { 1776251538Srpaulo struct urtwn_data *dp = &data[i]; 1777251538Srpaulo dp->sc = sc; 1778251538Srpaulo dp->m = NULL; 1779251538Srpaulo dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT); 1780251538Srpaulo if (dp->buf == NULL) { 1781251538Srpaulo device_printf(sc->sc_dev, 1782251538Srpaulo "could not allocate buffer\n"); 1783251538Srpaulo error = ENOMEM; 1784251538Srpaulo goto fail; 1785251538Srpaulo } 1786251538Srpaulo dp->ni = NULL; 1787251538Srpaulo } 1788251538Srpaulo 1789251538Srpaulo return (0); 1790251538Srpaulofail: 1791251538Srpaulo urtwn_free_list(sc, data, ndata); 1792251538Srpaulo return (error); 1793251538Srpaulo} 1794251538Srpaulo 1795251538Srpaulostatic int 1796251538Srpaulourtwn_alloc_rx_list(struct urtwn_softc *sc) 1797251538Srpaulo{ 1798251538Srpaulo int error, i; 1799251538Srpaulo 1800251538Srpaulo error = urtwn_alloc_list(sc, sc->sc_rx, URTWN_RX_LIST_COUNT, 1801251538Srpaulo URTWN_RXBUFSZ); 1802251538Srpaulo if (error != 0) 1803251538Srpaulo return (error); 1804251538Srpaulo 1805251538Srpaulo STAILQ_INIT(&sc->sc_rx_active); 1806251538Srpaulo STAILQ_INIT(&sc->sc_rx_inactive); 1807251538Srpaulo 1808251538Srpaulo for (i = 0; i < URTWN_RX_LIST_COUNT; i++) 1809251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next); 1810251538Srpaulo 1811251538Srpaulo return (0); 1812251538Srpaulo} 1813251538Srpaulo 1814251538Srpaulostatic int 1815251538Srpaulourtwn_alloc_tx_list(struct urtwn_softc *sc) 1816251538Srpaulo{ 1817251538Srpaulo int error, i; 1818251538Srpaulo 1819251538Srpaulo error = urtwn_alloc_list(sc, sc->sc_tx, URTWN_TX_LIST_COUNT, 1820251538Srpaulo URTWN_TXBUFSZ); 1821251538Srpaulo if (error != 0) 1822251538Srpaulo return (error); 1823251538Srpaulo 1824251538Srpaulo STAILQ_INIT(&sc->sc_tx_active); 1825251538Srpaulo STAILQ_INIT(&sc->sc_tx_inactive); 1826251538Srpaulo STAILQ_INIT(&sc->sc_tx_pending); 1827251538Srpaulo 1828251538Srpaulo for (i = 0; i < URTWN_TX_LIST_COUNT; i++) 1829251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], next); 1830251538Srpaulo 1831251538Srpaulo return (0); 1832251538Srpaulo} 1833251538Srpaulo 1834251538Srpaulostatic int 1835251538Srpaulourtwn_power_on(struct urtwn_softc *sc) 1836251538Srpaulo{ 1837251538Srpaulo uint32_t reg; 1838251538Srpaulo int ntries; 1839251538Srpaulo 1840251538Srpaulo /* Wait for autoload done bit. */ 1841251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 1842251538Srpaulo if (urtwn_read_1(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_PFM_ALDN) 1843251538Srpaulo break; 1844251538Srpaulo DELAY(5); 1845251538Srpaulo } 1846251538Srpaulo if (ntries == 1000) { 1847251538Srpaulo device_printf(sc->sc_dev, 1848251538Srpaulo "timeout waiting for chip autoload\n"); 1849251538Srpaulo return (ETIMEDOUT); 1850251538Srpaulo } 1851251538Srpaulo 1852251538Srpaulo /* Unlock ISO/CLK/Power control register. */ 1853251538Srpaulo urtwn_write_1(sc, R92C_RSV_CTRL, 0); 1854251538Srpaulo /* Move SPS into PWM mode. */ 1855251538Srpaulo urtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b); 1856251538Srpaulo DELAY(100); 1857251538Srpaulo 1858251538Srpaulo reg = urtwn_read_1(sc, R92C_LDOV12D_CTRL); 1859251538Srpaulo if (!(reg & R92C_LDOV12D_CTRL_LDV12_EN)) { 1860251538Srpaulo urtwn_write_1(sc, R92C_LDOV12D_CTRL, 1861251538Srpaulo reg | R92C_LDOV12D_CTRL_LDV12_EN); 1862251538Srpaulo DELAY(100); 1863251538Srpaulo urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 1864251538Srpaulo urtwn_read_1(sc, R92C_SYS_ISO_CTRL) & 1865251538Srpaulo ~R92C_SYS_ISO_CTRL_MD2PP); 1866251538Srpaulo } 1867251538Srpaulo 1868251538Srpaulo /* Auto enable WLAN. */ 1869251538Srpaulo urtwn_write_2(sc, R92C_APS_FSMCO, 1870251538Srpaulo urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 1871251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 1872251538Srpaulo if (urtwn_read_2(sc, R92C_APS_FSMCO) & 1873251538Srpaulo R92C_APS_FSMCO_APFM_ONMAC) 1874251538Srpaulo break; 1875251538Srpaulo DELAY(5); 1876251538Srpaulo } 1877251538Srpaulo if (ntries == 1000) { 1878251538Srpaulo device_printf(sc->sc_dev, 1879251538Srpaulo "timeout waiting for MAC auto ON\n"); 1880251538Srpaulo return (ETIMEDOUT); 1881251538Srpaulo } 1882251538Srpaulo 1883251538Srpaulo /* Enable radio, GPIO and LED functions. */ 1884251538Srpaulo urtwn_write_2(sc, R92C_APS_FSMCO, 1885251538Srpaulo R92C_APS_FSMCO_AFSM_HSUS | 1886251538Srpaulo R92C_APS_FSMCO_PDN_EN | 1887251538Srpaulo R92C_APS_FSMCO_PFM_ALDN); 1888251538Srpaulo /* Release RF digital isolation. */ 1889251538Srpaulo urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 1890251538Srpaulo urtwn_read_2(sc, R92C_SYS_ISO_CTRL) & ~R92C_SYS_ISO_CTRL_DIOR); 1891251538Srpaulo 1892251538Srpaulo /* Initialize MAC. */ 1893251538Srpaulo urtwn_write_1(sc, R92C_APSD_CTRL, 1894251538Srpaulo urtwn_read_1(sc, R92C_APSD_CTRL) & ~R92C_APSD_CTRL_OFF); 1895251538Srpaulo for (ntries = 0; ntries < 200; ntries++) { 1896251538Srpaulo if (!(urtwn_read_1(sc, R92C_APSD_CTRL) & 1897251538Srpaulo R92C_APSD_CTRL_OFF_STATUS)) 1898251538Srpaulo break; 1899251538Srpaulo DELAY(5); 1900251538Srpaulo } 1901251538Srpaulo if (ntries == 200) { 1902251538Srpaulo device_printf(sc->sc_dev, 1903251538Srpaulo "timeout waiting for MAC initialization\n"); 1904251538Srpaulo return (ETIMEDOUT); 1905251538Srpaulo } 1906251538Srpaulo 1907251538Srpaulo /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 1908251538Srpaulo reg = urtwn_read_2(sc, R92C_CR); 1909251538Srpaulo reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 1910251538Srpaulo R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 1911251538Srpaulo R92C_CR_SCHEDULE_EN | R92C_CR_MACTXEN | R92C_CR_MACRXEN | 1912251538Srpaulo R92C_CR_ENSEC; 1913251538Srpaulo urtwn_write_2(sc, R92C_CR, reg); 1914251538Srpaulo 1915251538Srpaulo urtwn_write_1(sc, 0xfe10, 0x19); 1916251538Srpaulo return (0); 1917251538Srpaulo} 1918251538Srpaulo 1919251538Srpaulostatic int 1920251538Srpaulourtwn_llt_init(struct urtwn_softc *sc) 1921251538Srpaulo{ 1922251538Srpaulo int i, error; 1923251538Srpaulo 1924251538Srpaulo /* Reserve pages [0; R92C_TX_PAGE_COUNT]. */ 1925251538Srpaulo for (i = 0; i < R92C_TX_PAGE_COUNT; i++) { 1926251538Srpaulo if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 1927251538Srpaulo return (error); 1928251538Srpaulo } 1929251538Srpaulo /* NB: 0xff indicates end-of-list. */ 1930251538Srpaulo if ((error = urtwn_llt_write(sc, i, 0xff)) != 0) 1931251538Srpaulo return (error); 1932251538Srpaulo /* 1933251538Srpaulo * Use pages [R92C_TX_PAGE_COUNT + 1; R92C_TXPKTBUF_COUNT - 1] 1934251538Srpaulo * as ring buffer. 1935251538Srpaulo */ 1936251538Srpaulo for (++i; i < R92C_TXPKTBUF_COUNT - 1; i++) { 1937251538Srpaulo if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 1938251538Srpaulo return (error); 1939251538Srpaulo } 1940251538Srpaulo /* Make the last page point to the beginning of the ring buffer. */ 1941251538Srpaulo error = urtwn_llt_write(sc, i, R92C_TX_PAGE_COUNT + 1); 1942251538Srpaulo return (error); 1943251538Srpaulo} 1944251538Srpaulo 1945251538Srpaulostatic void 1946251538Srpaulourtwn_fw_reset(struct urtwn_softc *sc) 1947251538Srpaulo{ 1948251538Srpaulo uint16_t reg; 1949251538Srpaulo int ntries; 1950251538Srpaulo 1951251538Srpaulo /* Tell 8051 to reset itself. */ 1952251538Srpaulo urtwn_write_1(sc, R92C_HMETFR + 3, 0x20); 1953251538Srpaulo 1954251538Srpaulo /* Wait until 8051 resets by itself. */ 1955251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 1956251538Srpaulo reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 1957251538Srpaulo if (!(reg & R92C_SYS_FUNC_EN_CPUEN)) 1958251538Srpaulo return; 1959251538Srpaulo DELAY(50); 1960251538Srpaulo } 1961251538Srpaulo /* Force 8051 reset. */ 1962251538Srpaulo urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN); 1963251538Srpaulo} 1964251538Srpaulo 1965251538Srpaulostatic int 1966251538Srpaulourtwn_fw_loadpage(struct urtwn_softc *sc, int page, const uint8_t *buf, int len) 1967251538Srpaulo{ 1968251538Srpaulo uint32_t reg; 1969251538Srpaulo int off, mlen, error = 0; 1970251538Srpaulo 1971251538Srpaulo reg = urtwn_read_4(sc, R92C_MCUFWDL); 1972251538Srpaulo reg = RW(reg, R92C_MCUFWDL_PAGE, page); 1973251538Srpaulo urtwn_write_4(sc, R92C_MCUFWDL, reg); 1974251538Srpaulo 1975251538Srpaulo off = R92C_FW_START_ADDR; 1976251538Srpaulo while (len > 0) { 1977251538Srpaulo if (len > 196) 1978251538Srpaulo mlen = 196; 1979251538Srpaulo else if (len > 4) 1980251538Srpaulo mlen = 4; 1981251538Srpaulo else 1982251538Srpaulo mlen = 1; 1983251538Srpaulo /* XXX fix this deconst */ 1984251538Srpaulo error = urtwn_write_region_1(sc, off, 1985251538Srpaulo __DECONST(uint8_t *, buf), mlen); 1986251538Srpaulo if (error != 0) 1987251538Srpaulo break; 1988251538Srpaulo off += mlen; 1989251538Srpaulo buf += mlen; 1990251538Srpaulo len -= mlen; 1991251538Srpaulo } 1992251538Srpaulo return (error); 1993251538Srpaulo} 1994251538Srpaulo 1995251538Srpaulostatic int 1996251538Srpaulourtwn_load_firmware(struct urtwn_softc *sc) 1997251538Srpaulo{ 1998251538Srpaulo const struct firmware *fw; 1999251538Srpaulo const struct r92c_fw_hdr *hdr; 2000251538Srpaulo const char *imagename; 2001251538Srpaulo const u_char *ptr; 2002251538Srpaulo size_t len; 2003251538Srpaulo uint32_t reg; 2004251538Srpaulo int mlen, ntries, page, error; 2005251538Srpaulo 2006251538Srpaulo /* Read firmware image from the filesystem. */ 2007251538Srpaulo if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 2008251538Srpaulo URTWN_CHIP_UMC_A_CUT) 2009251538Srpaulo imagename = "urtwn-rtl8192cfwU"; 2010251538Srpaulo else 2011251538Srpaulo imagename = "urtwn-rtl8192cfwT"; 2012251538Srpaulo 2013251538Srpaulo fw = firmware_get(imagename); 2014251538Srpaulo if (fw == NULL) { 2015251538Srpaulo device_printf(sc->sc_dev, 2016251538Srpaulo "failed loadfirmware of file %s\n", imagename); 2017251538Srpaulo return (ENOENT); 2018251538Srpaulo } 2019251538Srpaulo 2020251538Srpaulo len = fw->datasize; 2021251538Srpaulo 2022251538Srpaulo if (len < sizeof(*hdr)) { 2023251538Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 2024251538Srpaulo error = EINVAL; 2025251538Srpaulo goto fail; 2026251538Srpaulo } 2027251538Srpaulo ptr = fw->data; 2028251538Srpaulo hdr = (const struct r92c_fw_hdr *)ptr; 2029251538Srpaulo /* Check if there is a valid FW header and skip it. */ 2030251538Srpaulo if ((le16toh(hdr->signature) >> 4) == 0x88c || 2031251538Srpaulo (le16toh(hdr->signature) >> 4) == 0x92c) { 2032251538Srpaulo DPRINTF("FW V%d.%d %02d-%02d %02d:%02d\n", 2033251538Srpaulo le16toh(hdr->version), le16toh(hdr->subversion), 2034251538Srpaulo hdr->month, hdr->date, hdr->hour, hdr->minute); 2035251538Srpaulo ptr += sizeof(*hdr); 2036251538Srpaulo len -= sizeof(*hdr); 2037251538Srpaulo } 2038251538Srpaulo 2039251538Srpaulo if (urtwn_read_1(sc, R92C_MCUFWDL) & 0x80) { 2040251538Srpaulo urtwn_fw_reset(sc); 2041251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 0); 2042251538Srpaulo } 2043251538Srpaulo urtwn_write_2(sc, R92C_SYS_FUNC_EN, 2044251538Srpaulo urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 2045251538Srpaulo R92C_SYS_FUNC_EN_CPUEN); 2046251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 2047251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_EN); 2048251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL + 2, 2049251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL + 2) & ~0x08); 2050251538Srpaulo 2051251538Srpaulo for (page = 0; len > 0; page++) { 2052251538Srpaulo mlen = min(len, R92C_FW_PAGE_SIZE); 2053251538Srpaulo error = urtwn_fw_loadpage(sc, page, ptr, mlen); 2054251538Srpaulo if (error != 0) { 2055251538Srpaulo device_printf(sc->sc_dev, 2056251538Srpaulo "could not load firmware page\n"); 2057251538Srpaulo goto fail; 2058251538Srpaulo } 2059251538Srpaulo ptr += mlen; 2060251538Srpaulo len -= mlen; 2061251538Srpaulo } 2062251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 2063251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL) & ~R92C_MCUFWDL_EN); 2064251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL + 1, 0); 2065251538Srpaulo 2066251538Srpaulo /* Wait for checksum report. */ 2067251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 2068251538Srpaulo if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_CHKSUM_RPT) 2069251538Srpaulo break; 2070251538Srpaulo DELAY(5); 2071251538Srpaulo } 2072251538Srpaulo if (ntries == 1000) { 2073251538Srpaulo device_printf(sc->sc_dev, 2074251538Srpaulo "timeout waiting for checksum report\n"); 2075251538Srpaulo error = ETIMEDOUT; 2076251538Srpaulo goto fail; 2077251538Srpaulo } 2078251538Srpaulo 2079251538Srpaulo reg = urtwn_read_4(sc, R92C_MCUFWDL); 2080251538Srpaulo reg = (reg & ~R92C_MCUFWDL_WINTINI_RDY) | R92C_MCUFWDL_RDY; 2081251538Srpaulo urtwn_write_4(sc, R92C_MCUFWDL, reg); 2082251538Srpaulo /* Wait for firmware readiness. */ 2083251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 2084251538Srpaulo if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_WINTINI_RDY) 2085251538Srpaulo break; 2086251538Srpaulo DELAY(5); 2087251538Srpaulo } 2088251538Srpaulo if (ntries == 1000) { 2089251538Srpaulo device_printf(sc->sc_dev, 2090251538Srpaulo "timeout waiting for firmware readiness\n"); 2091251538Srpaulo error = ETIMEDOUT; 2092251538Srpaulo goto fail; 2093251538Srpaulo } 2094251538Srpaulofail: 2095251538Srpaulo firmware_put(fw, FIRMWARE_UNLOAD); 2096251538Srpaulo return (error); 2097251538Srpaulo} 2098251538Srpaulo 2099251538Srpaulostatic int 2100251538Srpaulourtwn_dma_init(struct urtwn_softc *sc) 2101251538Srpaulo{ 2102251538Srpaulo int hashq, hasnq, haslq, nqueues, nqpages, nrempages; 2103251538Srpaulo uint32_t reg; 2104251538Srpaulo int error; 2105251538Srpaulo 2106251538Srpaulo /* Initialize LLT table. */ 2107251538Srpaulo error = urtwn_llt_init(sc); 2108251538Srpaulo if (error != 0) 2109251538Srpaulo return (error); 2110251538Srpaulo 2111251538Srpaulo /* Get Tx queues to USB endpoints mapping. */ 2112251538Srpaulo hashq = hasnq = haslq = 0; 2113251538Srpaulo reg = urtwn_read_2(sc, R92C_USB_EP + 1); 2114251538Srpaulo DPRINTFN(2, "USB endpoints mapping 0x%x\n", reg); 2115251538Srpaulo if (MS(reg, R92C_USB_EP_HQ) != 0) 2116251538Srpaulo hashq = 1; 2117251538Srpaulo if (MS(reg, R92C_USB_EP_NQ) != 0) 2118251538Srpaulo hasnq = 1; 2119251538Srpaulo if (MS(reg, R92C_USB_EP_LQ) != 0) 2120251538Srpaulo haslq = 1; 2121251538Srpaulo nqueues = hashq + hasnq + haslq; 2122251538Srpaulo if (nqueues == 0) 2123251538Srpaulo return (EIO); 2124251538Srpaulo /* Get the number of pages for each queue. */ 2125251538Srpaulo nqpages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) / nqueues; 2126251538Srpaulo /* The remaining pages are assigned to the high priority queue. */ 2127251538Srpaulo nrempages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) % nqueues; 2128251538Srpaulo 2129251538Srpaulo /* Set number of pages for normal priority queue. */ 2130251538Srpaulo urtwn_write_1(sc, R92C_RQPN_NPQ, hasnq ? nqpages : 0); 2131251538Srpaulo urtwn_write_4(sc, R92C_RQPN, 2132251538Srpaulo /* Set number of pages for public queue. */ 2133251538Srpaulo SM(R92C_RQPN_PUBQ, R92C_PUBQ_NPAGES) | 2134251538Srpaulo /* Set number of pages for high priority queue. */ 2135251538Srpaulo SM(R92C_RQPN_HPQ, hashq ? nqpages + nrempages : 0) | 2136251538Srpaulo /* Set number of pages for low priority queue. */ 2137251538Srpaulo SM(R92C_RQPN_LPQ, haslq ? nqpages : 0) | 2138251538Srpaulo /* Load values. */ 2139251538Srpaulo R92C_RQPN_LD); 2140251538Srpaulo 2141251538Srpaulo urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, R92C_TX_PAGE_BOUNDARY); 2142251538Srpaulo urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, R92C_TX_PAGE_BOUNDARY); 2143251538Srpaulo urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, R92C_TX_PAGE_BOUNDARY); 2144251538Srpaulo urtwn_write_1(sc, R92C_TRXFF_BNDY, R92C_TX_PAGE_BOUNDARY); 2145251538Srpaulo urtwn_write_1(sc, R92C_TDECTRL + 1, R92C_TX_PAGE_BOUNDARY); 2146251538Srpaulo 2147251538Srpaulo /* Set queue to USB pipe mapping. */ 2148251538Srpaulo reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 2149251538Srpaulo reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 2150251538Srpaulo if (nqueues == 1) { 2151251538Srpaulo if (hashq) 2152251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_HQ; 2153251538Srpaulo else if (hasnq) 2154251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_NQ; 2155251538Srpaulo else 2156251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 2157251538Srpaulo } else if (nqueues == 2) { 2158251538Srpaulo /* All 2-endpoints configs have a high priority queue. */ 2159251538Srpaulo if (!hashq) 2160251538Srpaulo return (EIO); 2161251538Srpaulo if (hasnq) 2162251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 2163251538Srpaulo else 2164251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_HQ_LQ; 2165251538Srpaulo } else 2166251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 2167251538Srpaulo urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 2168251538Srpaulo 2169251538Srpaulo /* Set Tx/Rx transfer page boundary. */ 2170251538Srpaulo urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 0x27ff); 2171251538Srpaulo 2172251538Srpaulo /* Set Tx/Rx transfer page size. */ 2173251538Srpaulo urtwn_write_1(sc, R92C_PBP, 2174251538Srpaulo SM(R92C_PBP_PSRX, R92C_PBP_128) | 2175251538Srpaulo SM(R92C_PBP_PSTX, R92C_PBP_128)); 2176251538Srpaulo return (0); 2177251538Srpaulo} 2178251538Srpaulo 2179251538Srpaulostatic void 2180251538Srpaulourtwn_mac_init(struct urtwn_softc *sc) 2181251538Srpaulo{ 2182251538Srpaulo int i; 2183251538Srpaulo 2184251538Srpaulo /* Write MAC initialization values. */ 2185251538Srpaulo for (i = 0; i < nitems(rtl8192cu_mac); i++) 2186251538Srpaulo urtwn_write_1(sc, rtl8192cu_mac[i].reg, rtl8192cu_mac[i].val); 2187251538Srpaulo} 2188251538Srpaulo 2189251538Srpaulostatic void 2190251538Srpaulourtwn_bb_init(struct urtwn_softc *sc) 2191251538Srpaulo{ 2192251538Srpaulo const struct urtwn_bb_prog *prog; 2193251538Srpaulo uint32_t reg; 2194251538Srpaulo int i; 2195251538Srpaulo 2196251538Srpaulo /* Enable BB and RF. */ 2197251538Srpaulo urtwn_write_2(sc, R92C_SYS_FUNC_EN, 2198251538Srpaulo urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 2199251538Srpaulo R92C_SYS_FUNC_EN_BBRSTB | R92C_SYS_FUNC_EN_BB_GLB_RST | 2200251538Srpaulo R92C_SYS_FUNC_EN_DIO_RF); 2201251538Srpaulo 2202251538Srpaulo urtwn_write_2(sc, R92C_AFE_PLL_CTRL, 0xdb83); 2203251538Srpaulo 2204251538Srpaulo urtwn_write_1(sc, R92C_RF_CTRL, 2205251538Srpaulo R92C_RF_CTRL_EN | R92C_RF_CTRL_RSTB | R92C_RF_CTRL_SDMRSTB); 2206251538Srpaulo urtwn_write_1(sc, R92C_SYS_FUNC_EN, 2207251538Srpaulo R92C_SYS_FUNC_EN_USBA | R92C_SYS_FUNC_EN_USBD | 2208251538Srpaulo R92C_SYS_FUNC_EN_BB_GLB_RST | R92C_SYS_FUNC_EN_BBRSTB); 2209251538Srpaulo 2210251538Srpaulo urtwn_write_1(sc, R92C_LDOHCI12_CTRL, 0x0f); 2211251538Srpaulo urtwn_write_1(sc, 0x15, 0xe9); 2212251538Srpaulo urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 1, 0x80); 2213251538Srpaulo 2214251538Srpaulo /* Select BB programming based on board type. */ 2215251538Srpaulo if (!(sc->chip & URTWN_CHIP_92C)) { 2216251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 2217251538Srpaulo prog = &rtl8188ce_bb_prog; 2218251538Srpaulo else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 2219251538Srpaulo prog = &rtl8188ru_bb_prog; 2220251538Srpaulo else 2221251538Srpaulo prog = &rtl8188cu_bb_prog; 2222251538Srpaulo } else { 2223251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 2224251538Srpaulo prog = &rtl8192ce_bb_prog; 2225251538Srpaulo else 2226251538Srpaulo prog = &rtl8192cu_bb_prog; 2227251538Srpaulo } 2228251538Srpaulo /* Write BB initialization values. */ 2229251538Srpaulo for (i = 0; i < prog->count; i++) { 2230251538Srpaulo urtwn_bb_write(sc, prog->regs[i], prog->vals[i]); 2231251538Srpaulo DELAY(1); 2232251538Srpaulo } 2233251538Srpaulo 2234251538Srpaulo if (sc->chip & URTWN_CHIP_92C_1T2R) { 2235251538Srpaulo /* 8192C 1T only configuration. */ 2236251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_TXINFO); 2237251538Srpaulo reg = (reg & ~0x00000003) | 0x2; 2238251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_TXINFO, reg); 2239251538Srpaulo 2240251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA1_TXINFO); 2241251538Srpaulo reg = (reg & ~0x00300033) | 0x00200022; 2242251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_TXINFO, reg); 2243251538Srpaulo 2244251538Srpaulo reg = urtwn_bb_read(sc, R92C_CCK0_AFESETTING); 2245251538Srpaulo reg = (reg & ~0xff000000) | 0x45 << 24; 2246251538Srpaulo urtwn_bb_write(sc, R92C_CCK0_AFESETTING, reg); 2247251538Srpaulo 2248251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 2249251538Srpaulo reg = (reg & ~0x000000ff) | 0x23; 2250251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg); 2251251538Srpaulo 2252251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCPARAM1); 2253251538Srpaulo reg = (reg & ~0x00000030) | 1 << 4; 2254251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCPARAM1, reg); 2255251538Srpaulo 2256251538Srpaulo reg = urtwn_bb_read(sc, 0xe74); 2257251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2258251538Srpaulo urtwn_bb_write(sc, 0xe74, reg); 2259251538Srpaulo reg = urtwn_bb_read(sc, 0xe78); 2260251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2261251538Srpaulo urtwn_bb_write(sc, 0xe78, reg); 2262251538Srpaulo reg = urtwn_bb_read(sc, 0xe7c); 2263251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2264251538Srpaulo urtwn_bb_write(sc, 0xe7c, reg); 2265251538Srpaulo reg = urtwn_bb_read(sc, 0xe80); 2266251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2267251538Srpaulo urtwn_bb_write(sc, 0xe80, reg); 2268251538Srpaulo reg = urtwn_bb_read(sc, 0xe88); 2269251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2270251538Srpaulo urtwn_bb_write(sc, 0xe88, reg); 2271251538Srpaulo } 2272251538Srpaulo 2273251538Srpaulo /* Write AGC values. */ 2274251538Srpaulo for (i = 0; i < prog->agccount; i++) { 2275251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCRSSITABLE, 2276251538Srpaulo prog->agcvals[i]); 2277251538Srpaulo DELAY(1); 2278251538Srpaulo } 2279251538Srpaulo 2280251538Srpaulo if (urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)) & 2281251538Srpaulo R92C_HSSI_PARAM2_CCK_HIPWR) 2282251538Srpaulo sc->sc_flags |= URTWN_FLAG_CCK_HIPWR; 2283251538Srpaulo} 2284251538Srpaulo 2285251538Srpaulovoid 2286251538Srpaulourtwn_rf_init(struct urtwn_softc *sc) 2287251538Srpaulo{ 2288251538Srpaulo const struct urtwn_rf_prog *prog; 2289251538Srpaulo uint32_t reg, type; 2290251538Srpaulo int i, j, idx, off; 2291251538Srpaulo 2292251538Srpaulo /* Select RF programming based on board type. */ 2293251538Srpaulo if (!(sc->chip & URTWN_CHIP_92C)) { 2294251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 2295251538Srpaulo prog = rtl8188ce_rf_prog; 2296251538Srpaulo else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 2297251538Srpaulo prog = rtl8188ru_rf_prog; 2298251538Srpaulo else 2299251538Srpaulo prog = rtl8188cu_rf_prog; 2300251538Srpaulo } else 2301251538Srpaulo prog = rtl8192ce_rf_prog; 2302251538Srpaulo 2303251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 2304251538Srpaulo /* Save RF_ENV control type. */ 2305251538Srpaulo idx = i / 2; 2306251538Srpaulo off = (i % 2) * 16; 2307251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)); 2308251538Srpaulo type = (reg >> off) & 0x10; 2309251538Srpaulo 2310251538Srpaulo /* Set RF_ENV enable. */ 2311251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 2312251538Srpaulo reg |= 0x100000; 2313251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 2314251538Srpaulo DELAY(1); 2315251538Srpaulo /* Set RF_ENV output high. */ 2316251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 2317251538Srpaulo reg |= 0x10; 2318251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 2319251538Srpaulo DELAY(1); 2320251538Srpaulo /* Set address and data lengths of RF registers. */ 2321251538Srpaulo reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 2322251538Srpaulo reg &= ~R92C_HSSI_PARAM2_ADDR_LENGTH; 2323251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 2324251538Srpaulo DELAY(1); 2325251538Srpaulo reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 2326251538Srpaulo reg &= ~R92C_HSSI_PARAM2_DATA_LENGTH; 2327251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 2328251538Srpaulo DELAY(1); 2329251538Srpaulo 2330251538Srpaulo /* Write RF initialization values for this chain. */ 2331251538Srpaulo for (j = 0; j < prog[i].count; j++) { 2332251538Srpaulo if (prog[i].regs[j] >= 0xf9 && 2333251538Srpaulo prog[i].regs[j] <= 0xfe) { 2334251538Srpaulo /* 2335251538Srpaulo * These are fake RF registers offsets that 2336251538Srpaulo * indicate a delay is required. 2337251538Srpaulo */ 2338251538Srpaulo usb_pause_mtx(&sc->sc_mtx, 50); 2339251538Srpaulo continue; 2340251538Srpaulo } 2341251538Srpaulo urtwn_rf_write(sc, i, prog[i].regs[j], 2342251538Srpaulo prog[i].vals[j]); 2343251538Srpaulo DELAY(1); 2344251538Srpaulo } 2345251538Srpaulo 2346251538Srpaulo /* Restore RF_ENV control type. */ 2347251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)); 2348251538Srpaulo reg &= ~(0x10 << off) | (type << off); 2349251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(idx), reg); 2350251538Srpaulo 2351251538Srpaulo /* Cache RF register CHNLBW. */ 2352251538Srpaulo sc->rf_chnlbw[i] = urtwn_rf_read(sc, i, R92C_RF_CHNLBW); 2353251538Srpaulo } 2354251538Srpaulo 2355251538Srpaulo if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 2356251538Srpaulo URTWN_CHIP_UMC_A_CUT) { 2357251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_RX_G1, 0x30255); 2358251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_RX_G2, 0x50a00); 2359251538Srpaulo } 2360251538Srpaulo} 2361251538Srpaulo 2362251538Srpaulostatic void 2363251538Srpaulourtwn_cam_init(struct urtwn_softc *sc) 2364251538Srpaulo{ 2365251538Srpaulo /* Invalidate all CAM entries. */ 2366251538Srpaulo urtwn_write_4(sc, R92C_CAMCMD, 2367251538Srpaulo R92C_CAMCMD_POLLING | R92C_CAMCMD_CLR); 2368251538Srpaulo} 2369251538Srpaulo 2370251538Srpaulostatic void 2371251538Srpaulourtwn_pa_bias_init(struct urtwn_softc *sc) 2372251538Srpaulo{ 2373251538Srpaulo uint8_t reg; 2374251538Srpaulo int i; 2375251538Srpaulo 2376251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 2377251538Srpaulo if (sc->pa_setting & (1 << i)) 2378251538Srpaulo continue; 2379251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x0f406); 2380251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x4f406); 2381251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x8f406); 2382251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0xcf406); 2383251538Srpaulo } 2384251538Srpaulo if (!(sc->pa_setting & 0x10)) { 2385251538Srpaulo reg = urtwn_read_1(sc, 0x16); 2386251538Srpaulo reg = (reg & ~0xf0) | 0x90; 2387251538Srpaulo urtwn_write_1(sc, 0x16, reg); 2388251538Srpaulo } 2389251538Srpaulo} 2390251538Srpaulo 2391251538Srpaulostatic void 2392251538Srpaulourtwn_rxfilter_init(struct urtwn_softc *sc) 2393251538Srpaulo{ 2394251538Srpaulo /* Initialize Rx filter. */ 2395251538Srpaulo /* TODO: use better filter for monitor mode. */ 2396251538Srpaulo urtwn_write_4(sc, R92C_RCR, 2397251538Srpaulo R92C_RCR_AAP | R92C_RCR_APM | R92C_RCR_AM | R92C_RCR_AB | 2398251538Srpaulo R92C_RCR_APP_ICV | R92C_RCR_AMF | R92C_RCR_HTC_LOC_CTRL | 2399251538Srpaulo R92C_RCR_APP_MIC | R92C_RCR_APP_PHYSTS); 2400251538Srpaulo /* Accept all multicast frames. */ 2401251538Srpaulo urtwn_write_4(sc, R92C_MAR + 0, 0xffffffff); 2402251538Srpaulo urtwn_write_4(sc, R92C_MAR + 4, 0xffffffff); 2403251538Srpaulo /* Accept all management frames. */ 2404251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP0, 0xffff); 2405251538Srpaulo /* Reject all control frames. */ 2406251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP1, 0x0000); 2407251538Srpaulo /* Accept all data frames. */ 2408251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 2409251538Srpaulo} 2410251538Srpaulo 2411251538Srpaulostatic void 2412251538Srpaulourtwn_edca_init(struct urtwn_softc *sc) 2413251538Srpaulo{ 2414251538Srpaulo urtwn_write_2(sc, R92C_SPEC_SIFS, 0x100a); 2415251538Srpaulo urtwn_write_2(sc, R92C_MAC_SPEC_SIFS, 0x100a); 2416251538Srpaulo urtwn_write_2(sc, R92C_SIFS_CCK, 0x100a); 2417251538Srpaulo urtwn_write_2(sc, R92C_SIFS_OFDM, 0x100a); 2418251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x005ea42b); 2419251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a44f); 2420251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005ea324); 2421251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002fa226); 2422251538Srpaulo} 2423251538Srpaulo 2424251538Srpaulovoid 2425251538Srpaulourtwn_write_txpower(struct urtwn_softc *sc, int chain, 2426251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]) 2427251538Srpaulo{ 2428251538Srpaulo uint32_t reg; 2429251538Srpaulo 2430251538Srpaulo /* Write per-CCK rate Tx power. */ 2431251538Srpaulo if (chain == 0) { 2432251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_A_CCK1_MCS32); 2433251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK1, power[0]); 2434251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_A_CCK1_MCS32, reg); 2435251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 2436251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK2, power[1]); 2437251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK55, power[2]); 2438251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK11, power[3]); 2439251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 2440251538Srpaulo } else { 2441251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK1_55_MCS32); 2442251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK1, power[0]); 2443251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK2, power[1]); 2444251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK55, power[2]); 2445251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK1_55_MCS32, reg); 2446251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 2447251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK11, power[3]); 2448251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 2449251538Srpaulo } 2450251538Srpaulo /* Write per-OFDM rate Tx power. */ 2451251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_RATE18_06(chain), 2452251538Srpaulo SM(R92C_TXAGC_RATE06, power[ 4]) | 2453251538Srpaulo SM(R92C_TXAGC_RATE09, power[ 5]) | 2454251538Srpaulo SM(R92C_TXAGC_RATE12, power[ 6]) | 2455251538Srpaulo SM(R92C_TXAGC_RATE18, power[ 7])); 2456251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_RATE54_24(chain), 2457251538Srpaulo SM(R92C_TXAGC_RATE24, power[ 8]) | 2458251538Srpaulo SM(R92C_TXAGC_RATE36, power[ 9]) | 2459251538Srpaulo SM(R92C_TXAGC_RATE48, power[10]) | 2460251538Srpaulo SM(R92C_TXAGC_RATE54, power[11])); 2461251538Srpaulo /* Write per-MCS Tx power. */ 2462251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS03_MCS00(chain), 2463251538Srpaulo SM(R92C_TXAGC_MCS00, power[12]) | 2464251538Srpaulo SM(R92C_TXAGC_MCS01, power[13]) | 2465251538Srpaulo SM(R92C_TXAGC_MCS02, power[14]) | 2466251538Srpaulo SM(R92C_TXAGC_MCS03, power[15])); 2467251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS07_MCS04(chain), 2468251538Srpaulo SM(R92C_TXAGC_MCS04, power[16]) | 2469251538Srpaulo SM(R92C_TXAGC_MCS05, power[17]) | 2470251538Srpaulo SM(R92C_TXAGC_MCS06, power[18]) | 2471251538Srpaulo SM(R92C_TXAGC_MCS07, power[19])); 2472251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS11_MCS08(chain), 2473251538Srpaulo SM(R92C_TXAGC_MCS08, power[20]) | 2474251538Srpaulo SM(R92C_TXAGC_MCS08, power[21]) | 2475251538Srpaulo SM(R92C_TXAGC_MCS10, power[22]) | 2476251538Srpaulo SM(R92C_TXAGC_MCS11, power[23])); 2477251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS15_MCS12(chain), 2478251538Srpaulo SM(R92C_TXAGC_MCS12, power[24]) | 2479251538Srpaulo SM(R92C_TXAGC_MCS13, power[25]) | 2480251538Srpaulo SM(R92C_TXAGC_MCS14, power[26]) | 2481251538Srpaulo SM(R92C_TXAGC_MCS15, power[27])); 2482251538Srpaulo} 2483251538Srpaulo 2484251538Srpaulovoid 2485251538Srpaulourtwn_get_txpower(struct urtwn_softc *sc, int chain, 2486251538Srpaulo struct ieee80211_channel *c, struct ieee80211_channel *extc, 2487251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]) 2488251538Srpaulo{ 2489251538Srpaulo struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2490251538Srpaulo struct r92c_rom *rom = &sc->rom; 2491251538Srpaulo uint16_t cckpow, ofdmpow, htpow, diff, max; 2492251538Srpaulo const struct urtwn_txpwr *base; 2493251538Srpaulo int ridx, chan, group; 2494251538Srpaulo 2495251538Srpaulo /* Determine channel group. */ 2496251538Srpaulo chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 2497251538Srpaulo if (chan <= 3) 2498251538Srpaulo group = 0; 2499251538Srpaulo else if (chan <= 9) 2500251538Srpaulo group = 1; 2501251538Srpaulo else 2502251538Srpaulo group = 2; 2503251538Srpaulo 2504251538Srpaulo /* Get original Tx power based on board type and RF chain. */ 2505251538Srpaulo if (!(sc->chip & URTWN_CHIP_92C)) { 2506251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 2507251538Srpaulo base = &rtl8188ru_txagc[chain]; 2508251538Srpaulo else 2509251538Srpaulo base = &rtl8192cu_txagc[chain]; 2510251538Srpaulo } else 2511251538Srpaulo base = &rtl8192cu_txagc[chain]; 2512251538Srpaulo 2513251538Srpaulo memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 2514251538Srpaulo if (sc->regulatory == 0) { 2515251538Srpaulo for (ridx = 0; ridx <= 3; ridx++) 2516251538Srpaulo power[ridx] = base->pwr[0][ridx]; 2517251538Srpaulo } 2518251538Srpaulo for (ridx = 4; ridx < URTWN_RIDX_COUNT; ridx++) { 2519251538Srpaulo if (sc->regulatory == 3) { 2520251538Srpaulo power[ridx] = base->pwr[0][ridx]; 2521251538Srpaulo /* Apply vendor limits. */ 2522251538Srpaulo if (extc != NULL) 2523251538Srpaulo max = rom->ht40_max_pwr[group]; 2524251538Srpaulo else 2525251538Srpaulo max = rom->ht20_max_pwr[group]; 2526251538Srpaulo max = (max >> (chain * 4)) & 0xf; 2527251538Srpaulo if (power[ridx] > max) 2528251538Srpaulo power[ridx] = max; 2529251538Srpaulo } else if (sc->regulatory == 1) { 2530251538Srpaulo if (extc == NULL) 2531251538Srpaulo power[ridx] = base->pwr[group][ridx]; 2532251538Srpaulo } else if (sc->regulatory != 2) 2533251538Srpaulo power[ridx] = base->pwr[0][ridx]; 2534251538Srpaulo } 2535251538Srpaulo 2536251538Srpaulo /* Compute per-CCK rate Tx power. */ 2537251538Srpaulo cckpow = rom->cck_tx_pwr[chain][group]; 2538251538Srpaulo for (ridx = 0; ridx <= 3; ridx++) { 2539251538Srpaulo power[ridx] += cckpow; 2540251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 2541251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 2542251538Srpaulo } 2543251538Srpaulo 2544251538Srpaulo htpow = rom->ht40_1s_tx_pwr[chain][group]; 2545251538Srpaulo if (sc->ntxchains > 1) { 2546251538Srpaulo /* Apply reduction for 2 spatial streams. */ 2547251538Srpaulo diff = rom->ht40_2s_tx_pwr_diff[group]; 2548251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 2549251538Srpaulo htpow = (htpow > diff) ? htpow - diff : 0; 2550251538Srpaulo } 2551251538Srpaulo 2552251538Srpaulo /* Compute per-OFDM rate Tx power. */ 2553251538Srpaulo diff = rom->ofdm_tx_pwr_diff[group]; 2554251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 2555251538Srpaulo ofdmpow = htpow + diff; /* HT->OFDM correction. */ 2556251538Srpaulo for (ridx = 4; ridx <= 11; ridx++) { 2557251538Srpaulo power[ridx] += ofdmpow; 2558251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 2559251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 2560251538Srpaulo } 2561251538Srpaulo 2562251538Srpaulo /* Compute per-MCS Tx power. */ 2563251538Srpaulo if (extc == NULL) { 2564251538Srpaulo diff = rom->ht20_tx_pwr_diff[group]; 2565251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 2566251538Srpaulo htpow += diff; /* HT40->HT20 correction. */ 2567251538Srpaulo } 2568251538Srpaulo for (ridx = 12; ridx <= 27; ridx++) { 2569251538Srpaulo power[ridx] += htpow; 2570251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 2571251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 2572251538Srpaulo } 2573251538Srpaulo#ifdef URTWN_DEBUG 2574251538Srpaulo if (urtwn_debug >= 4) { 2575251538Srpaulo /* Dump per-rate Tx power values. */ 2576251538Srpaulo printf("Tx power for chain %d:\n", chain); 2577251538Srpaulo for (ridx = 0; ridx < URTWN_RIDX_COUNT; ridx++) 2578251538Srpaulo printf("Rate %d = %u\n", ridx, power[ridx]); 2579251538Srpaulo } 2580251538Srpaulo#endif 2581251538Srpaulo} 2582251538Srpaulo 2583251538Srpaulovoid 2584251538Srpaulourtwn_set_txpower(struct urtwn_softc *sc, struct ieee80211_channel *c, 2585251538Srpaulo struct ieee80211_channel *extc) 2586251538Srpaulo{ 2587251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]; 2588251538Srpaulo int i; 2589251538Srpaulo 2590251538Srpaulo for (i = 0; i < sc->ntxchains; i++) { 2591251538Srpaulo /* Compute per-rate Tx power values. */ 2592251538Srpaulo urtwn_get_txpower(sc, i, c, extc, power); 2593251538Srpaulo /* Write per-rate Tx power values to hardware. */ 2594251538Srpaulo urtwn_write_txpower(sc, i, power); 2595251538Srpaulo } 2596251538Srpaulo} 2597251538Srpaulo 2598251538Srpaulostatic void 2599251538Srpaulourtwn_scan_start(struct ieee80211com *ic) 2600251538Srpaulo{ 2601251538Srpaulo /* XXX do nothing? */ 2602251538Srpaulo} 2603251538Srpaulo 2604251538Srpaulostatic void 2605251538Srpaulourtwn_scan_end(struct ieee80211com *ic) 2606251538Srpaulo{ 2607251538Srpaulo /* XXX do nothing? */ 2608251538Srpaulo} 2609251538Srpaulo 2610251538Srpaulostatic void 2611251538Srpaulourtwn_set_channel(struct ieee80211com *ic) 2612251538Srpaulo{ 2613251538Srpaulo struct urtwn_softc *sc = ic->ic_ifp->if_softc; 2614251538Srpaulo 2615251538Srpaulo URTWN_LOCK(sc); 2616251538Srpaulo urtwn_set_chan(sc, ic->ic_curchan, NULL); 2617251538Srpaulo URTWN_UNLOCK(sc); 2618251538Srpaulo} 2619251538Srpaulo 2620251538Srpaulostatic void 2621251538Srpaulourtwn_update_mcast(struct ifnet *ifp) 2622251538Srpaulo{ 2623251538Srpaulo /* XXX do nothing? */ 2624251538Srpaulo} 2625251538Srpaulo 2626251538Srpaulostatic void 2627251538Srpaulourtwn_set_chan(struct urtwn_softc *sc, struct ieee80211_channel *c, 2628251538Srpaulo struct ieee80211_channel *extc) 2629251538Srpaulo{ 2630251538Srpaulo struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2631251538Srpaulo uint32_t reg; 2632251538Srpaulo u_int chan; 2633251538Srpaulo int i; 2634251538Srpaulo 2635251538Srpaulo chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 2636251538Srpaulo if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 2637251538Srpaulo device_printf(sc->sc_dev, 2638251538Srpaulo "%s: invalid channel %x\n", __func__, chan); 2639251538Srpaulo return; 2640251538Srpaulo } 2641251538Srpaulo 2642251538Srpaulo /* Set Tx power for this new channel. */ 2643251538Srpaulo urtwn_set_txpower(sc, c, extc); 2644251538Srpaulo 2645251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 2646251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_CHNLBW, 2647251538Srpaulo RW(sc->rf_chnlbw[i], R92C_RF_CHNLBW_CHNL, chan)); 2648251538Srpaulo } 2649251538Srpaulo#ifndef IEEE80211_NO_HT 2650251538Srpaulo if (extc != NULL) { 2651251538Srpaulo /* Is secondary channel below or above primary? */ 2652251538Srpaulo int prichlo = c->ic_freq < extc->ic_freq; 2653251538Srpaulo 2654251538Srpaulo urtwn_write_1(sc, R92C_BWOPMODE, 2655251538Srpaulo urtwn_read_1(sc, R92C_BWOPMODE) & ~R92C_BWOPMODE_20MHZ); 2656251538Srpaulo 2657251538Srpaulo reg = urtwn_read_1(sc, R92C_RRSR + 2); 2658251538Srpaulo reg = (reg & ~0x6f) | (prichlo ? 1 : 2) << 5; 2659251538Srpaulo urtwn_write_1(sc, R92C_RRSR + 2, reg); 2660251538Srpaulo 2661251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 2662251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_RFMOD) | R92C_RFMOD_40MHZ); 2663251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 2664251538Srpaulo urtwn_bb_read(sc, R92C_FPGA1_RFMOD) | R92C_RFMOD_40MHZ); 2665251538Srpaulo 2666251538Srpaulo /* Set CCK side band. */ 2667251538Srpaulo reg = urtwn_bb_read(sc, R92C_CCK0_SYSTEM); 2668251538Srpaulo reg = (reg & ~0x00000010) | (prichlo ? 0 : 1) << 4; 2669251538Srpaulo urtwn_bb_write(sc, R92C_CCK0_SYSTEM, reg); 2670251538Srpaulo 2671251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM1_LSTF); 2672251538Srpaulo reg = (reg & ~0x00000c00) | (prichlo ? 1 : 2) << 10; 2673251538Srpaulo urtwn_bb_write(sc, R92C_OFDM1_LSTF, reg); 2674251538Srpaulo 2675251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 2676251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) & 2677251538Srpaulo ~R92C_FPGA0_ANAPARAM2_CBW20); 2678251538Srpaulo 2679251538Srpaulo reg = urtwn_bb_read(sc, 0x818); 2680251538Srpaulo reg = (reg & ~0x0c000000) | (prichlo ? 2 : 1) << 26; 2681251538Srpaulo urtwn_bb_write(sc, 0x818, reg); 2682251538Srpaulo 2683251538Srpaulo /* Select 40MHz bandwidth. */ 2684251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 2685251538Srpaulo (sc->rf_chnlbw[0] & ~0xfff) | chan); 2686251538Srpaulo } else 2687251538Srpaulo#endif 2688251538Srpaulo { 2689251538Srpaulo urtwn_write_1(sc, R92C_BWOPMODE, 2690251538Srpaulo urtwn_read_1(sc, R92C_BWOPMODE) | R92C_BWOPMODE_20MHZ); 2691251538Srpaulo 2692251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 2693251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_RFMOD) & ~R92C_RFMOD_40MHZ); 2694251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 2695251538Srpaulo urtwn_bb_read(sc, R92C_FPGA1_RFMOD) & ~R92C_RFMOD_40MHZ); 2696251538Srpaulo 2697251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 2698251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) | 2699251538Srpaulo R92C_FPGA0_ANAPARAM2_CBW20); 2700251538Srpaulo 2701251538Srpaulo /* Select 20MHz bandwidth. */ 2702251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 2703251538Srpaulo (sc->rf_chnlbw[0] & ~0xfff) | R92C_RF_CHNLBW_BW20 | chan); 2704251538Srpaulo } 2705251538Srpaulo} 2706251538Srpaulo 2707251538Srpaulostatic void 2708251538Srpaulourtwn_iq_calib(struct urtwn_softc *sc) 2709251538Srpaulo{ 2710251538Srpaulo /* TODO */ 2711251538Srpaulo} 2712251538Srpaulo 2713251538Srpaulostatic void 2714251538Srpaulourtwn_lc_calib(struct urtwn_softc *sc) 2715251538Srpaulo{ 2716251538Srpaulo uint32_t rf_ac[2]; 2717251538Srpaulo uint8_t txmode; 2718251538Srpaulo int i; 2719251538Srpaulo 2720251538Srpaulo txmode = urtwn_read_1(sc, R92C_OFDM1_LSTF + 3); 2721251538Srpaulo if ((txmode & 0x70) != 0) { 2722251538Srpaulo /* Disable all continuous Tx. */ 2723251538Srpaulo urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode & ~0x70); 2724251538Srpaulo 2725251538Srpaulo /* Set RF mode to standby mode. */ 2726251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 2727251538Srpaulo rf_ac[i] = urtwn_rf_read(sc, i, R92C_RF_AC); 2728251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_AC, 2729251538Srpaulo RW(rf_ac[i], R92C_RF_AC_MODE, 2730251538Srpaulo R92C_RF_AC_MODE_STANDBY)); 2731251538Srpaulo } 2732251538Srpaulo } else { 2733251538Srpaulo /* Block all Tx queues. */ 2734251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 0xff); 2735251538Srpaulo } 2736251538Srpaulo /* Start calibration. */ 2737251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 2738251538Srpaulo urtwn_rf_read(sc, 0, R92C_RF_CHNLBW) | R92C_RF_CHNLBW_LCSTART); 2739251538Srpaulo 2740251538Srpaulo /* Give calibration the time to complete. */ 2741251538Srpaulo usb_pause_mtx(&sc->sc_mtx, 100); 2742251538Srpaulo 2743251538Srpaulo /* Restore configuration. */ 2744251538Srpaulo if ((txmode & 0x70) != 0) { 2745251538Srpaulo /* Restore Tx mode. */ 2746251538Srpaulo urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode); 2747251538Srpaulo /* Restore RF mode. */ 2748251538Srpaulo for (i = 0; i < sc->nrxchains; i++) 2749251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_AC, rf_ac[i]); 2750251538Srpaulo } else { 2751251538Srpaulo /* Unblock all Tx queues. */ 2752251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 0x00); 2753251538Srpaulo } 2754251538Srpaulo} 2755251538Srpaulo 2756251538Srpaulostatic void 2757251538Srpaulourtwn_init_locked(void *arg) 2758251538Srpaulo{ 2759251538Srpaulo struct urtwn_softc *sc = arg; 2760251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 2761251538Srpaulo uint32_t reg; 2762251538Srpaulo int error; 2763251538Srpaulo 2764251538Srpaulo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2765251538Srpaulo urtwn_stop_locked(ifp, 0); 2766251538Srpaulo 2767251538Srpaulo /* Init firmware commands ring. */ 2768251538Srpaulo sc->fwcur = 0; 2769251538Srpaulo 2770251538Srpaulo /* Allocate Tx/Rx buffers. */ 2771251538Srpaulo error = urtwn_alloc_rx_list(sc); 2772251538Srpaulo if (error != 0) 2773251538Srpaulo goto fail; 2774251538Srpaulo 2775251538Srpaulo error = urtwn_alloc_tx_list(sc); 2776251538Srpaulo if (error != 0) 2777251538Srpaulo goto fail; 2778251538Srpaulo 2779251538Srpaulo /* Power on adapter. */ 2780251538Srpaulo error = urtwn_power_on(sc); 2781251538Srpaulo if (error != 0) 2782251538Srpaulo goto fail; 2783251538Srpaulo 2784251538Srpaulo /* Initialize DMA. */ 2785251538Srpaulo error = urtwn_dma_init(sc); 2786251538Srpaulo if (error != 0) 2787251538Srpaulo goto fail; 2788251538Srpaulo 2789251538Srpaulo /* Set info size in Rx descriptors (in 64-bit words). */ 2790251538Srpaulo urtwn_write_1(sc, R92C_RX_DRVINFO_SZ, 4); 2791251538Srpaulo 2792251538Srpaulo /* Init interrupts. */ 2793251538Srpaulo urtwn_write_4(sc, R92C_HISR, 0xffffffff); 2794251538Srpaulo urtwn_write_4(sc, R92C_HIMR, 0xffffffff); 2795251538Srpaulo 2796251538Srpaulo /* Set MAC address. */ 2797251538Srpaulo urtwn_write_region_1(sc, R92C_MACID, IF_LLADDR(ifp), 2798251538Srpaulo IEEE80211_ADDR_LEN); 2799251538Srpaulo 2800251538Srpaulo /* Set initial network type. */ 2801251538Srpaulo reg = urtwn_read_4(sc, R92C_CR); 2802251538Srpaulo reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_INFRA); 2803251538Srpaulo urtwn_write_4(sc, R92C_CR, reg); 2804251538Srpaulo 2805251538Srpaulo urtwn_rxfilter_init(sc); 2806251538Srpaulo 2807251538Srpaulo reg = urtwn_read_4(sc, R92C_RRSR); 2808251538Srpaulo reg = RW(reg, R92C_RRSR_RATE_BITMAP, R92C_RRSR_RATE_CCK_ONLY_1M); 2809251538Srpaulo urtwn_write_4(sc, R92C_RRSR, reg); 2810251538Srpaulo 2811251538Srpaulo /* Set short/long retry limits. */ 2812251538Srpaulo urtwn_write_2(sc, R92C_RL, 2813251538Srpaulo SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30)); 2814251538Srpaulo 2815251538Srpaulo /* Initialize EDCA parameters. */ 2816251538Srpaulo urtwn_edca_init(sc); 2817251538Srpaulo 2818251538Srpaulo /* Setup rate fallback. */ 2819251538Srpaulo urtwn_write_4(sc, R92C_DARFRC + 0, 0x00000000); 2820251538Srpaulo urtwn_write_4(sc, R92C_DARFRC + 4, 0x10080404); 2821251538Srpaulo urtwn_write_4(sc, R92C_RARFRC + 0, 0x04030201); 2822251538Srpaulo urtwn_write_4(sc, R92C_RARFRC + 4, 0x08070605); 2823251538Srpaulo 2824251538Srpaulo urtwn_write_1(sc, R92C_FWHW_TXQ_CTRL, 2825251538Srpaulo urtwn_read_1(sc, R92C_FWHW_TXQ_CTRL) | 2826251538Srpaulo R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW); 2827251538Srpaulo /* Set ACK timeout. */ 2828251538Srpaulo urtwn_write_1(sc, R92C_ACKTO, 0x40); 2829251538Srpaulo 2830251538Srpaulo /* Setup USB aggregation. */ 2831251538Srpaulo reg = urtwn_read_4(sc, R92C_TDECTRL); 2832251538Srpaulo reg = RW(reg, R92C_TDECTRL_BLK_DESC_NUM, 6); 2833251538Srpaulo urtwn_write_4(sc, R92C_TDECTRL, reg); 2834251538Srpaulo urtwn_write_1(sc, R92C_TRXDMA_CTRL, 2835251538Srpaulo urtwn_read_1(sc, R92C_TRXDMA_CTRL) | 2836251538Srpaulo R92C_TRXDMA_CTRL_RXDMA_AGG_EN); 2837251538Srpaulo urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 2838251538Srpaulo urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) | 2839251538Srpaulo R92C_USB_SPECIAL_OPTION_AGG_EN); 2840251538Srpaulo urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH, 48); 2841251538Srpaulo urtwn_write_1(sc, R92C_USB_DMA_AGG_TO, 4); 2842251538Srpaulo urtwn_write_1(sc, R92C_USB_AGG_TH, 8); 2843251538Srpaulo urtwn_write_1(sc, R92C_USB_AGG_TO, 6); 2844251538Srpaulo 2845251538Srpaulo /* Initialize beacon parameters. */ 2846251538Srpaulo urtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404); 2847251538Srpaulo urtwn_write_1(sc, R92C_DRVERLYINT, 0x05); 2848251538Srpaulo urtwn_write_1(sc, R92C_BCNDMATIM, 0x02); 2849251538Srpaulo urtwn_write_2(sc, R92C_BCNTCFG, 0x660f); 2850251538Srpaulo 2851251538Srpaulo /* Setup AMPDU aggregation. */ 2852251538Srpaulo urtwn_write_4(sc, R92C_AGGLEN_LMT, 0x99997631); /* MCS7~0 */ 2853251538Srpaulo urtwn_write_1(sc, R92C_AGGR_BREAK_TIME, 0x16); 2854251538Srpaulo urtwn_write_2(sc, 0x4ca, 0x0708); 2855251538Srpaulo 2856251538Srpaulo urtwn_write_1(sc, R92C_BCN_MAX_ERR, 0xff); 2857251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, R92C_BCN_CTRL_DIS_TSF_UDT0); 2858251538Srpaulo 2859251538Srpaulo /* Load 8051 microcode. */ 2860251538Srpaulo error = urtwn_load_firmware(sc); 2861251538Srpaulo if (error != 0) 2862251538Srpaulo goto fail; 2863251538Srpaulo 2864251538Srpaulo /* Initialize MAC/BB/RF blocks. */ 2865251538Srpaulo urtwn_mac_init(sc); 2866251538Srpaulo urtwn_bb_init(sc); 2867251538Srpaulo urtwn_rf_init(sc); 2868251538Srpaulo 2869251538Srpaulo /* Turn CCK and OFDM blocks on. */ 2870251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 2871251538Srpaulo reg |= R92C_RFMOD_CCK_EN; 2872251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 2873251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 2874251538Srpaulo reg |= R92C_RFMOD_OFDM_EN; 2875251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 2876251538Srpaulo 2877251538Srpaulo /* Clear per-station keys table. */ 2878251538Srpaulo urtwn_cam_init(sc); 2879251538Srpaulo 2880251538Srpaulo /* Enable hardware sequence numbering. */ 2881251538Srpaulo urtwn_write_1(sc, R92C_HWSEQ_CTRL, 0xff); 2882251538Srpaulo 2883251538Srpaulo /* Perform LO and IQ calibrations. */ 2884251538Srpaulo urtwn_iq_calib(sc); 2885251538Srpaulo /* Perform LC calibration. */ 2886251538Srpaulo urtwn_lc_calib(sc); 2887251538Srpaulo 2888251538Srpaulo /* Fix USB interference issue. */ 2889251538Srpaulo urtwn_write_1(sc, 0xfe40, 0xe0); 2890251538Srpaulo urtwn_write_1(sc, 0xfe41, 0x8d); 2891251538Srpaulo urtwn_write_1(sc, 0xfe42, 0x80); 2892251538Srpaulo 2893251538Srpaulo urtwn_pa_bias_init(sc); 2894251538Srpaulo 2895251538Srpaulo /* Initialize GPIO setting. */ 2896251538Srpaulo urtwn_write_1(sc, R92C_GPIO_MUXCFG, 2897251538Srpaulo urtwn_read_1(sc, R92C_GPIO_MUXCFG) & ~R92C_GPIO_MUXCFG_ENBT); 2898251538Srpaulo 2899251538Srpaulo /* Fix for lower temperature. */ 2900251538Srpaulo urtwn_write_1(sc, 0x15, 0xe9); 2901251538Srpaulo 2902251538Srpaulo usbd_transfer_start(sc->sc_xfer[URTWN_BULK_RX]); 2903251538Srpaulo 2904251538Srpaulo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2905251538Srpaulo ifp->if_drv_flags |= IFF_DRV_RUNNING; 2906251538Srpaulo 2907251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 2908251538Srpaulofail: 2909251538Srpaulo return; 2910251538Srpaulo} 2911251538Srpaulo 2912251538Srpaulostatic void 2913251538Srpaulourtwn_init(void *arg) 2914251538Srpaulo{ 2915251538Srpaulo struct urtwn_softc *sc = arg; 2916251538Srpaulo 2917251538Srpaulo URTWN_LOCK(sc); 2918251538Srpaulo urtwn_init_locked(arg); 2919251538Srpaulo URTWN_UNLOCK(sc); 2920251538Srpaulo} 2921251538Srpaulo 2922251538Srpaulostatic void 2923251538Srpaulourtwn_stop_locked(struct ifnet *ifp, int disable) 2924251538Srpaulo{ 2925251538Srpaulo struct urtwn_softc *sc = ifp->if_softc; 2926251538Srpaulo 2927251538Srpaulo (void)disable; 2928251538Srpaulo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2929251538Srpaulo 2930251538Srpaulo callout_stop(&sc->sc_watchdog_ch); 2931251538Srpaulo urtwn_abort_xfers(sc); 2932251538Srpaulo} 2933251538Srpaulo 2934251538Srpaulostatic void 2935251538Srpaulourtwn_stop(struct ifnet *ifp, int disable) 2936251538Srpaulo{ 2937251538Srpaulo struct urtwn_softc *sc = ifp->if_softc; 2938251538Srpaulo 2939251538Srpaulo URTWN_LOCK(sc); 2940251538Srpaulo urtwn_stop_locked(ifp, disable); 2941251538Srpaulo URTWN_UNLOCK(sc); 2942251538Srpaulo} 2943251538Srpaulo 2944251538Srpaulostatic void 2945251538Srpaulourtwn_abort_xfers(struct urtwn_softc *sc) 2946251538Srpaulo{ 2947251538Srpaulo int i; 2948251538Srpaulo 2949251538Srpaulo URTWN_ASSERT_LOCKED(sc); 2950251538Srpaulo 2951251538Srpaulo /* abort any pending transfers */ 2952251538Srpaulo for (i = 0; i < URTWN_N_TRANSFER; i++) 2953251538Srpaulo usbd_transfer_stop(sc->sc_xfer[i]); 2954251538Srpaulo} 2955251538Srpaulo 2956251538Srpaulostatic int 2957251538Srpaulourtwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2958251538Srpaulo const struct ieee80211_bpf_params *params) 2959251538Srpaulo{ 2960251538Srpaulo struct ieee80211com *ic = ni->ni_ic; 2961251538Srpaulo struct ifnet *ifp = ic->ic_ifp; 2962251538Srpaulo struct urtwn_softc *sc = ifp->if_softc; 2963251538Srpaulo struct urtwn_data *bf; 2964251538Srpaulo 2965251538Srpaulo /* prevent management frames from being sent if we're not ready */ 2966251538Srpaulo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2967251538Srpaulo m_freem(m); 2968251538Srpaulo ieee80211_free_node(ni); 2969251538Srpaulo return (ENETDOWN); 2970251538Srpaulo } 2971251538Srpaulo URTWN_LOCK(sc); 2972251538Srpaulo bf = urtwn_getbuf(sc); 2973251538Srpaulo if (bf == NULL) { 2974251538Srpaulo ieee80211_free_node(ni); 2975251538Srpaulo m_freem(m); 2976251538Srpaulo URTWN_UNLOCK(sc); 2977251538Srpaulo return (ENOBUFS); 2978251538Srpaulo } 2979251538Srpaulo 2980251538Srpaulo ifp->if_opackets++; 2981251538Srpaulo if (urtwn_tx_start(sc, ni, m, bf) != 0) { 2982251538Srpaulo ieee80211_free_node(ni); 2983251538Srpaulo ifp->if_oerrors++; 2984251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2985251538Srpaulo URTWN_UNLOCK(sc); 2986251538Srpaulo return (EIO); 2987251538Srpaulo } 2988251538Srpaulo URTWN_UNLOCK(sc); 2989251538Srpaulo 2990251538Srpaulo sc->sc_txtimer = 5; 2991251538Srpaulo return (0); 2992251538Srpaulo} 2993251538Srpaulo 2994251538Srpaulostatic device_method_t urtwn_methods[] = { 2995251538Srpaulo /* Device interface */ 2996251538Srpaulo DEVMETHOD(device_probe, urtwn_match), 2997251538Srpaulo DEVMETHOD(device_attach, urtwn_attach), 2998251538Srpaulo DEVMETHOD(device_detach, urtwn_detach), 2999251538Srpaulo 3000251538Srpaulo { 0, 0 } 3001251538Srpaulo}; 3002251538Srpaulo 3003251538Srpaulostatic driver_t urtwn_driver = { 3004251538Srpaulo "urtwn", 3005251538Srpaulo urtwn_methods, 3006251538Srpaulo sizeof(struct urtwn_softc) 3007251538Srpaulo}; 3008251538Srpaulo 3009251538Srpaulostatic devclass_t urtwn_devclass; 3010251538Srpaulo 3011251538SrpauloDRIVER_MODULE(urtwn, uhub, urtwn_driver, urtwn_devclass, NULL, NULL); 3012251538SrpauloMODULE_DEPEND(urtwn, usb, 1, 1, 1); 3013251538SrpauloMODULE_DEPEND(urtwn, wlan, 1, 1, 1); 3014251538SrpauloMODULE_DEPEND(urtwn, firmware, 1, 1, 1); 3015251538SrpauloMODULE_DEPEND(urtwn, urtwn_fw, 1, 1, 1); 3016251538SrpauloMODULE_VERSION(urtwn, 1); 3017