if_urtwn.c revision 283537
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> 5264912Skevlo * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org> 6251538Srpaulo * 7251538Srpaulo * Permission to use, copy, modify, and distribute this software for any 8251538Srpaulo * purpose with or without fee is hereby granted, provided that the above 9251538Srpaulo * copyright notice and this permission notice appear in all copies. 10251538Srpaulo * 11251538Srpaulo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12251538Srpaulo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13251538Srpaulo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14251538Srpaulo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15251538Srpaulo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16251538Srpaulo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17251538Srpaulo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18251538Srpaulo */ 19251538Srpaulo 20251538Srpaulo#include <sys/cdefs.h> 21251538Srpaulo__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_urtwn.c 283537 2015-05-25 18:50:26Z glebius $"); 22251538Srpaulo 23251538Srpaulo/* 24264912Skevlo * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188EU/RTL8188RU/RTL8192CU. 25251538Srpaulo */ 26251538Srpaulo 27251538Srpaulo#include <sys/param.h> 28251538Srpaulo#include <sys/sockio.h> 29251538Srpaulo#include <sys/sysctl.h> 30251538Srpaulo#include <sys/lock.h> 31251538Srpaulo#include <sys/mutex.h> 32251538Srpaulo#include <sys/mbuf.h> 33251538Srpaulo#include <sys/kernel.h> 34251538Srpaulo#include <sys/socket.h> 35251538Srpaulo#include <sys/systm.h> 36251538Srpaulo#include <sys/malloc.h> 37251538Srpaulo#include <sys/module.h> 38251538Srpaulo#include <sys/bus.h> 39251538Srpaulo#include <sys/endian.h> 40251538Srpaulo#include <sys/linker.h> 41251538Srpaulo#include <sys/firmware.h> 42251538Srpaulo#include <sys/kdb.h> 43251538Srpaulo 44251538Srpaulo#include <machine/bus.h> 45251538Srpaulo#include <machine/resource.h> 46251538Srpaulo#include <sys/rman.h> 47251538Srpaulo 48251538Srpaulo#include <net/bpf.h> 49251538Srpaulo#include <net/if.h> 50257176Sglebius#include <net/if_var.h> 51251538Srpaulo#include <net/if_arp.h> 52251538Srpaulo#include <net/ethernet.h> 53251538Srpaulo#include <net/if_dl.h> 54251538Srpaulo#include <net/if_media.h> 55251538Srpaulo#include <net/if_types.h> 56251538Srpaulo 57251538Srpaulo#include <netinet/in.h> 58251538Srpaulo#include <netinet/in_systm.h> 59251538Srpaulo#include <netinet/in_var.h> 60251538Srpaulo#include <netinet/if_ether.h> 61251538Srpaulo#include <netinet/ip.h> 62251538Srpaulo 63251538Srpaulo#include <net80211/ieee80211_var.h> 64251538Srpaulo#include <net80211/ieee80211_regdomain.h> 65251538Srpaulo#include <net80211/ieee80211_radiotap.h> 66251538Srpaulo#include <net80211/ieee80211_ratectl.h> 67251538Srpaulo 68251538Srpaulo#include <dev/usb/usb.h> 69251538Srpaulo#include <dev/usb/usbdi.h> 70251538Srpaulo#include "usbdevs.h" 71251538Srpaulo 72251538Srpaulo#define USB_DEBUG_VAR urtwn_debug 73251538Srpaulo#include <dev/usb/usb_debug.h> 74251538Srpaulo 75251538Srpaulo#include <dev/usb/wlan/if_urtwnreg.h> 76251538Srpaulo 77251538Srpaulo#ifdef USB_DEBUG 78251538Srpaulostatic int urtwn_debug = 0; 79251538Srpaulo 80251538SrpauloSYSCTL_NODE(_hw_usb, OID_AUTO, urtwn, CTLFLAG_RW, 0, "USB urtwn"); 81276701ShselaskySYSCTL_INT(_hw_usb_urtwn, OID_AUTO, debug, CTLFLAG_RWTUN, &urtwn_debug, 0, 82251538Srpaulo "Debug level"); 83251538Srpaulo#endif 84251538Srpaulo 85252406Srpaulo#define URTWN_RSSI(r) (r) - 110 86251538Srpaulo#define IEEE80211_HAS_ADDR4(wh) \ 87251538Srpaulo (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 88251538Srpaulo 89251538Srpaulo/* various supported device vendors/products */ 90251596Srpaulostatic const STRUCT_USB_HOST_ID urtwn_devs[] = { 91251538Srpaulo#define URTWN_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 92264912Skevlo#define URTWN_RTL8188E_DEV(v,p) \ 93264912Skevlo { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, URTWN_RTL8188E) } 94264912Skevlo#define URTWN_RTL8188E 1 95251538Srpaulo URTWN_DEV(ABOCOM, RTL8188CU_1), 96251538Srpaulo URTWN_DEV(ABOCOM, RTL8188CU_2), 97251538Srpaulo URTWN_DEV(ABOCOM, RTL8192CU), 98251538Srpaulo URTWN_DEV(ASUS, RTL8192CU), 99266721Skevlo URTWN_DEV(ASUS, USBN10NANO), 100251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CE_1), 101251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CE_2), 102251538Srpaulo URTWN_DEV(AZUREWAVE, RTL8188CU), 103251538Srpaulo URTWN_DEV(BELKIN, F7D2102), 104251538Srpaulo URTWN_DEV(BELKIN, RTL8188CU), 105251538Srpaulo URTWN_DEV(BELKIN, RTL8192CU), 106251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_1), 107251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_2), 108251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_3), 109251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_4), 110251538Srpaulo URTWN_DEV(CHICONY, RTL8188CUS_5), 111251538Srpaulo URTWN_DEV(COREGA, RTL8192CU), 112251538Srpaulo URTWN_DEV(DLINK, RTL8188CU), 113251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_1), 114251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_2), 115251538Srpaulo URTWN_DEV(DLINK, RTL8192CU_3), 116252196Skevlo URTWN_DEV(DLINK, DWA131B), 117251538Srpaulo URTWN_DEV(EDIMAX, EW7811UN), 118251538Srpaulo URTWN_DEV(EDIMAX, RTL8192CU), 119251538Srpaulo URTWN_DEV(FEIXUN, RTL8188CU), 120251538Srpaulo URTWN_DEV(FEIXUN, RTL8192CU), 121251538Srpaulo URTWN_DEV(GUILLEMOT, HWNUP150), 122251538Srpaulo URTWN_DEV(HAWKING, RTL8192CU), 123251538Srpaulo URTWN_DEV(HP3, RTL8188CU), 124251538Srpaulo URTWN_DEV(NETGEAR, WNA1000M), 125251538Srpaulo URTWN_DEV(NETGEAR, RTL8192CU), 126251538Srpaulo URTWN_DEV(NETGEAR4, RTL8188CU), 127251538Srpaulo URTWN_DEV(NOVATECH, RTL8188CU), 128251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_1), 129251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_2), 130251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_3), 131251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CU_4), 132251538Srpaulo URTWN_DEV(PLANEX2, RTL8188CUS), 133251538Srpaulo URTWN_DEV(PLANEX2, RTL8192CU), 134251538Srpaulo URTWN_DEV(REALTEK, RTL8188CE_0), 135251538Srpaulo URTWN_DEV(REALTEK, RTL8188CE_1), 136251538Srpaulo URTWN_DEV(REALTEK, RTL8188CTV), 137251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_0), 138251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_1), 139251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_2), 140282119Skevlo URTWN_DEV(REALTEK, RTL8188CU_3), 141251538Srpaulo URTWN_DEV(REALTEK, RTL8188CU_COMBO), 142251538Srpaulo URTWN_DEV(REALTEK, RTL8188CUS), 143251538Srpaulo URTWN_DEV(REALTEK, RTL8188RU_1), 144251538Srpaulo URTWN_DEV(REALTEK, RTL8188RU_2), 145272410Shselasky URTWN_DEV(REALTEK, RTL8188RU_3), 146251538Srpaulo URTWN_DEV(REALTEK, RTL8191CU), 147251538Srpaulo URTWN_DEV(REALTEK, RTL8192CE), 148251538Srpaulo URTWN_DEV(REALTEK, RTL8192CU), 149251538Srpaulo URTWN_DEV(SITECOMEU, RTL8188CU_1), 150251538Srpaulo URTWN_DEV(SITECOMEU, RTL8188CU_2), 151251538Srpaulo URTWN_DEV(SITECOMEU, RTL8192CU), 152251538Srpaulo URTWN_DEV(TRENDNET, RTL8188CU), 153251538Srpaulo URTWN_DEV(TRENDNET, RTL8192CU), 154251538Srpaulo URTWN_DEV(ZYXEL, RTL8192CU), 155264912Skevlo /* URTWN_RTL8188E */ 156273589Skevlo URTWN_RTL8188E_DEV(DLINK, DWA123D1), 157270191Skevlo URTWN_RTL8188E_DEV(DLINK, DWA125D1), 158273589Skevlo URTWN_RTL8188E_DEV(ELECOM, WDC150SU2M), 159264912Skevlo URTWN_RTL8188E_DEV(REALTEK, RTL8188ETV), 160264912Skevlo URTWN_RTL8188E_DEV(REALTEK, RTL8188EU), 161264912Skevlo#undef URTWN_RTL8188E_DEV 162251538Srpaulo#undef URTWN_DEV 163251538Srpaulo}; 164251538Srpaulo 165251538Srpaulostatic device_probe_t urtwn_match; 166251538Srpaulostatic device_attach_t urtwn_attach; 167251538Srpaulostatic device_detach_t urtwn_detach; 168251538Srpaulo 169251538Srpaulostatic usb_callback_t urtwn_bulk_tx_callback; 170251538Srpaulostatic usb_callback_t urtwn_bulk_rx_callback; 171251538Srpaulo 172251538Srpaulostatic usb_error_t urtwn_do_request(struct urtwn_softc *sc, 173251538Srpaulo struct usb_device_request *req, void *data); 174251538Srpaulostatic struct ieee80211vap *urtwn_vap_create(struct ieee80211com *, 175251538Srpaulo const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 176251538Srpaulo const uint8_t [IEEE80211_ADDR_LEN], 177251538Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 178251538Srpaulostatic void urtwn_vap_delete(struct ieee80211vap *); 179281069Srpaulostatic struct mbuf * urtwn_rx_frame(struct urtwn_softc *, uint8_t *, int, 180251538Srpaulo int *); 181281069Srpaulostatic struct mbuf * urtwn_rxeof(struct usb_xfer *, struct urtwn_data *, 182251538Srpaulo int *, int8_t *); 183251538Srpaulostatic void urtwn_txeof(struct usb_xfer *, struct urtwn_data *); 184281069Srpaulostatic int urtwn_alloc_list(struct urtwn_softc *, 185251538Srpaulo struct urtwn_data[], int, int); 186251538Srpaulostatic int urtwn_alloc_rx_list(struct urtwn_softc *); 187251538Srpaulostatic int urtwn_alloc_tx_list(struct urtwn_softc *); 188251538Srpaulostatic void urtwn_free_tx_list(struct urtwn_softc *); 189251538Srpaulostatic void urtwn_free_rx_list(struct urtwn_softc *); 190251538Srpaulostatic void urtwn_free_list(struct urtwn_softc *, 191251538Srpaulo struct urtwn_data data[], int); 192251538Srpaulostatic struct urtwn_data * _urtwn_getbuf(struct urtwn_softc *); 193251538Srpaulostatic struct urtwn_data * urtwn_getbuf(struct urtwn_softc *); 194281069Srpaulostatic int urtwn_write_region_1(struct urtwn_softc *, uint16_t, 195251538Srpaulo uint8_t *, int); 196251538Srpaulostatic void urtwn_write_1(struct urtwn_softc *, uint16_t, uint8_t); 197251538Srpaulostatic void urtwn_write_2(struct urtwn_softc *, uint16_t, uint16_t); 198251538Srpaulostatic void urtwn_write_4(struct urtwn_softc *, uint16_t, uint32_t); 199281069Srpaulostatic int urtwn_read_region_1(struct urtwn_softc *, uint16_t, 200251538Srpaulo uint8_t *, int); 201251538Srpaulostatic uint8_t urtwn_read_1(struct urtwn_softc *, uint16_t); 202251538Srpaulostatic uint16_t urtwn_read_2(struct urtwn_softc *, uint16_t); 203251538Srpaulostatic uint32_t urtwn_read_4(struct urtwn_softc *, uint16_t); 204281069Srpaulostatic int urtwn_fw_cmd(struct urtwn_softc *, uint8_t, 205251538Srpaulo const void *, int); 206264912Skevlostatic void urtwn_r92c_rf_write(struct urtwn_softc *, int, 207264912Skevlo uint8_t, uint32_t); 208281069Srpaulostatic void urtwn_r88e_rf_write(struct urtwn_softc *, int, 209264912Skevlo uint8_t, uint32_t); 210251538Srpaulostatic uint32_t urtwn_rf_read(struct urtwn_softc *, int, uint8_t); 211281069Srpaulostatic int urtwn_llt_write(struct urtwn_softc *, uint32_t, 212251538Srpaulo uint32_t); 213251538Srpaulostatic uint8_t urtwn_efuse_read_1(struct urtwn_softc *, uint16_t); 214251538Srpaulostatic void urtwn_efuse_read(struct urtwn_softc *); 215264912Skevlostatic void urtwn_efuse_switch_power(struct urtwn_softc *); 216251538Srpaulostatic int urtwn_read_chipid(struct urtwn_softc *); 217251538Srpaulostatic void urtwn_read_rom(struct urtwn_softc *); 218264912Skevlostatic void urtwn_r88e_read_rom(struct urtwn_softc *); 219251538Srpaulostatic int urtwn_ra_init(struct urtwn_softc *); 220251538Srpaulostatic void urtwn_tsf_sync_enable(struct urtwn_softc *); 221251538Srpaulostatic void urtwn_set_led(struct urtwn_softc *, int, int); 222281069Srpaulostatic int urtwn_newstate(struct ieee80211vap *, 223251538Srpaulo enum ieee80211_state, int); 224251538Srpaulostatic void urtwn_watchdog(void *); 225251538Srpaulostatic void urtwn_update_avgrssi(struct urtwn_softc *, int, int8_t); 226251538Srpaulostatic int8_t urtwn_get_rssi(struct urtwn_softc *, int, void *); 227264912Skevlostatic int8_t urtwn_r88e_get_rssi(struct urtwn_softc *, int, void *); 228251538Srpaulostatic int urtwn_tx_start(struct urtwn_softc *, 229251538Srpaulo struct ieee80211_node *, struct mbuf *, 230251538Srpaulo struct urtwn_data *); 231251538Srpaulostatic void urtwn_start(struct ifnet *); 232261863Srpaulostatic void urtwn_start_locked(struct ifnet *, 233261863Srpaulo struct urtwn_softc *); 234251538Srpaulostatic int urtwn_ioctl(struct ifnet *, u_long, caddr_t); 235264912Skevlostatic int urtwn_r92c_power_on(struct urtwn_softc *); 236264912Skevlostatic int urtwn_r88e_power_on(struct urtwn_softc *); 237251538Srpaulostatic int urtwn_llt_init(struct urtwn_softc *); 238251538Srpaulostatic void urtwn_fw_reset(struct urtwn_softc *); 239264912Skevlostatic void urtwn_r88e_fw_reset(struct urtwn_softc *); 240281069Srpaulostatic int urtwn_fw_loadpage(struct urtwn_softc *, int, 241251538Srpaulo const uint8_t *, int); 242251538Srpaulostatic int urtwn_load_firmware(struct urtwn_softc *); 243264912Skevlostatic int urtwn_r92c_dma_init(struct urtwn_softc *); 244264912Skevlostatic int urtwn_r88e_dma_init(struct urtwn_softc *); 245251538Srpaulostatic void urtwn_mac_init(struct urtwn_softc *); 246251538Srpaulostatic void urtwn_bb_init(struct urtwn_softc *); 247251538Srpaulostatic void urtwn_rf_init(struct urtwn_softc *); 248251538Srpaulostatic void urtwn_cam_init(struct urtwn_softc *); 249251538Srpaulostatic void urtwn_pa_bias_init(struct urtwn_softc *); 250251538Srpaulostatic void urtwn_rxfilter_init(struct urtwn_softc *); 251251538Srpaulostatic void urtwn_edca_init(struct urtwn_softc *); 252281069Srpaulostatic void urtwn_write_txpower(struct urtwn_softc *, int, 253251538Srpaulo uint16_t[]); 254251538Srpaulostatic void urtwn_get_txpower(struct urtwn_softc *, int, 255281069Srpaulo struct ieee80211_channel *, 256251538Srpaulo struct ieee80211_channel *, uint16_t[]); 257264912Skevlostatic void urtwn_r88e_get_txpower(struct urtwn_softc *, int, 258281069Srpaulo struct ieee80211_channel *, 259264912Skevlo struct ieee80211_channel *, uint16_t[]); 260251538Srpaulostatic void urtwn_set_txpower(struct urtwn_softc *, 261281069Srpaulo struct ieee80211_channel *, 262251538Srpaulo struct ieee80211_channel *); 263251538Srpaulostatic void urtwn_scan_start(struct ieee80211com *); 264251538Srpaulostatic void urtwn_scan_end(struct ieee80211com *); 265251538Srpaulostatic void urtwn_set_channel(struct ieee80211com *); 266251538Srpaulostatic void urtwn_set_chan(struct urtwn_softc *, 267281069Srpaulo struct ieee80211_channel *, 268251538Srpaulo struct ieee80211_channel *); 269251538Srpaulostatic void urtwn_update_mcast(struct ifnet *); 270251538Srpaulostatic void urtwn_iq_calib(struct urtwn_softc *); 271251538Srpaulostatic void urtwn_lc_calib(struct urtwn_softc *); 272251538Srpaulostatic void urtwn_init(void *); 273251538Srpaulostatic void urtwn_init_locked(void *); 274263153Skevlostatic void urtwn_stop(struct ifnet *); 275263153Skevlostatic void urtwn_stop_locked(struct ifnet *); 276251538Srpaulostatic void urtwn_abort_xfers(struct urtwn_softc *); 277251538Srpaulostatic int urtwn_raw_xmit(struct ieee80211_node *, struct mbuf *, 278251538Srpaulo const struct ieee80211_bpf_params *); 279266472Shselaskystatic void urtwn_ms_delay(struct urtwn_softc *); 280251538Srpaulo 281251538Srpaulo/* Aliases. */ 282251538Srpaulo#define urtwn_bb_write urtwn_write_4 283251538Srpaulo#define urtwn_bb_read urtwn_read_4 284251538Srpaulo 285251538Srpaulostatic const struct usb_config urtwn_config[URTWN_N_TRANSFER] = { 286251538Srpaulo [URTWN_BULK_RX] = { 287251538Srpaulo .type = UE_BULK, 288251538Srpaulo .endpoint = UE_ADDR_ANY, 289251538Srpaulo .direction = UE_DIR_IN, 290251538Srpaulo .bufsize = URTWN_RXBUFSZ, 291251538Srpaulo .flags = { 292251538Srpaulo .pipe_bof = 1, 293251538Srpaulo .short_xfer_ok = 1 294251538Srpaulo }, 295251538Srpaulo .callback = urtwn_bulk_rx_callback, 296251538Srpaulo }, 297251538Srpaulo [URTWN_BULK_TX_BE] = { 298251538Srpaulo .type = UE_BULK, 299251538Srpaulo .endpoint = 0x03, 300251538Srpaulo .direction = UE_DIR_OUT, 301251538Srpaulo .bufsize = URTWN_TXBUFSZ, 302251538Srpaulo .flags = { 303251538Srpaulo .ext_buffer = 1, 304251538Srpaulo .pipe_bof = 1, 305251538Srpaulo .force_short_xfer = 1 306251538Srpaulo }, 307251538Srpaulo .callback = urtwn_bulk_tx_callback, 308251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 309251538Srpaulo }, 310251538Srpaulo [URTWN_BULK_TX_BK] = { 311251538Srpaulo .type = UE_BULK, 312251538Srpaulo .endpoint = 0x03, 313251538Srpaulo .direction = UE_DIR_OUT, 314251538Srpaulo .bufsize = URTWN_TXBUFSZ, 315251538Srpaulo .flags = { 316251538Srpaulo .ext_buffer = 1, 317251538Srpaulo .pipe_bof = 1, 318251538Srpaulo .force_short_xfer = 1, 319251538Srpaulo }, 320251538Srpaulo .callback = urtwn_bulk_tx_callback, 321251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 322251538Srpaulo }, 323251538Srpaulo [URTWN_BULK_TX_VI] = { 324251538Srpaulo .type = UE_BULK, 325251538Srpaulo .endpoint = 0x02, 326251538Srpaulo .direction = UE_DIR_OUT, 327251538Srpaulo .bufsize = URTWN_TXBUFSZ, 328251538Srpaulo .flags = { 329251538Srpaulo .ext_buffer = 1, 330251538Srpaulo .pipe_bof = 1, 331251538Srpaulo .force_short_xfer = 1 332251538Srpaulo }, 333251538Srpaulo .callback = urtwn_bulk_tx_callback, 334251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 335251538Srpaulo }, 336251538Srpaulo [URTWN_BULK_TX_VO] = { 337251538Srpaulo .type = UE_BULK, 338251538Srpaulo .endpoint = 0x02, 339251538Srpaulo .direction = UE_DIR_OUT, 340251538Srpaulo .bufsize = URTWN_TXBUFSZ, 341251538Srpaulo .flags = { 342251538Srpaulo .ext_buffer = 1, 343251538Srpaulo .pipe_bof = 1, 344251538Srpaulo .force_short_xfer = 1 345251538Srpaulo }, 346251538Srpaulo .callback = urtwn_bulk_tx_callback, 347251538Srpaulo .timeout = URTWN_TX_TIMEOUT, /* ms */ 348251538Srpaulo }, 349251538Srpaulo}; 350251538Srpaulo 351251538Srpaulostatic int 352251538Srpaulourtwn_match(device_t self) 353251538Srpaulo{ 354251538Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 355251538Srpaulo 356251538Srpaulo if (uaa->usb_mode != USB_MODE_HOST) 357251538Srpaulo return (ENXIO); 358251538Srpaulo if (uaa->info.bConfigIndex != URTWN_CONFIG_INDEX) 359251538Srpaulo return (ENXIO); 360251538Srpaulo if (uaa->info.bIfaceIndex != URTWN_IFACE_INDEX) 361251538Srpaulo return (ENXIO); 362251538Srpaulo 363251538Srpaulo return (usbd_lookup_id_by_uaa(urtwn_devs, sizeof(urtwn_devs), uaa)); 364251538Srpaulo} 365251538Srpaulo 366251538Srpaulostatic int 367251538Srpaulourtwn_attach(device_t self) 368251538Srpaulo{ 369251538Srpaulo struct usb_attach_arg *uaa = device_get_ivars(self); 370251538Srpaulo struct urtwn_softc *sc = device_get_softc(self); 371251538Srpaulo struct ifnet *ifp; 372251538Srpaulo struct ieee80211com *ic; 373251538Srpaulo uint8_t iface_index, bands; 374251538Srpaulo int error; 375251538Srpaulo 376251538Srpaulo device_set_usb_desc(self); 377251538Srpaulo sc->sc_udev = uaa->device; 378251538Srpaulo sc->sc_dev = self; 379264912Skevlo if (USB_GET_DRIVER_INFO(uaa) == URTWN_RTL8188E) 380264912Skevlo sc->chip |= URTWN_CHIP_88E; 381251538Srpaulo 382251538Srpaulo mtx_init(&sc->sc_mtx, device_get_nameunit(self), 383251538Srpaulo MTX_NETWORK_LOCK, MTX_DEF); 384251538Srpaulo callout_init(&sc->sc_watchdog_ch, 0); 385251538Srpaulo 386251538Srpaulo iface_index = URTWN_IFACE_INDEX; 387251538Srpaulo error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 388251538Srpaulo urtwn_config, URTWN_N_TRANSFER, sc, &sc->sc_mtx); 389251538Srpaulo if (error) { 390251538Srpaulo device_printf(self, "could not allocate USB transfers, " 391251538Srpaulo "err=%s\n", usbd_errstr(error)); 392251538Srpaulo goto detach; 393251538Srpaulo } 394251538Srpaulo 395251538Srpaulo URTWN_LOCK(sc); 396251538Srpaulo 397251538Srpaulo error = urtwn_read_chipid(sc); 398251538Srpaulo if (error) { 399251538Srpaulo device_printf(sc->sc_dev, "unsupported test chip\n"); 400251538Srpaulo URTWN_UNLOCK(sc); 401251538Srpaulo goto detach; 402251538Srpaulo } 403251538Srpaulo 404251538Srpaulo /* Determine number of Tx/Rx chains. */ 405251538Srpaulo if (sc->chip & URTWN_CHIP_92C) { 406251538Srpaulo sc->ntxchains = (sc->chip & URTWN_CHIP_92C_1T2R) ? 1 : 2; 407251538Srpaulo sc->nrxchains = 2; 408251538Srpaulo } else { 409251538Srpaulo sc->ntxchains = 1; 410251538Srpaulo sc->nrxchains = 1; 411251538Srpaulo } 412251538Srpaulo 413264912Skevlo if (sc->chip & URTWN_CHIP_88E) 414264912Skevlo urtwn_r88e_read_rom(sc); 415264912Skevlo else 416264912Skevlo urtwn_read_rom(sc); 417264912Skevlo 418251538Srpaulo device_printf(sc->sc_dev, "MAC/BB RTL%s, RF 6052 %dT%dR\n", 419251538Srpaulo (sc->chip & URTWN_CHIP_92C) ? "8192CU" : 420264912Skevlo (sc->chip & URTWN_CHIP_88E) ? "8188EU" : 421251538Srpaulo (sc->board_type == R92C_BOARD_TYPE_HIGHPA) ? "8188RU" : 422251538Srpaulo (sc->board_type == R92C_BOARD_TYPE_MINICARD) ? "8188CE-VAU" : 423251538Srpaulo "8188CUS", sc->ntxchains, sc->nrxchains); 424251538Srpaulo 425251538Srpaulo URTWN_UNLOCK(sc); 426251538Srpaulo 427251538Srpaulo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 428251538Srpaulo if (ifp == NULL) { 429251538Srpaulo device_printf(sc->sc_dev, "can not if_alloc()\n"); 430251538Srpaulo goto detach; 431251538Srpaulo } 432251538Srpaulo ic = ifp->if_l2com; 433251538Srpaulo 434251538Srpaulo ifp->if_softc = sc; 435251538Srpaulo if_initname(ifp, "urtwn", device_get_unit(sc->sc_dev)); 436251538Srpaulo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 437251538Srpaulo ifp->if_init = urtwn_init; 438251538Srpaulo ifp->if_ioctl = urtwn_ioctl; 439251538Srpaulo ifp->if_start = urtwn_start; 440251538Srpaulo IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 441251538Srpaulo ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 442251538Srpaulo IFQ_SET_READY(&ifp->if_snd); 443251538Srpaulo 444251538Srpaulo ic->ic_ifp = ifp; 445283537Sglebius ic->ic_softc = sc; 446283527Sglebius ic->ic_name = device_get_nameunit(self); 447251538Srpaulo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 448251538Srpaulo ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 449251538Srpaulo 450251538Srpaulo /* set device capabilities */ 451251538Srpaulo ic->ic_caps = 452251538Srpaulo IEEE80211_C_STA /* station mode */ 453251538Srpaulo | IEEE80211_C_MONITOR /* monitor mode */ 454251538Srpaulo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 455251538Srpaulo | IEEE80211_C_SHSLOT /* short slot time supported */ 456251538Srpaulo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 457251538Srpaulo | IEEE80211_C_WPA /* 802.11i */ 458251538Srpaulo ; 459251538Srpaulo 460251538Srpaulo bands = 0; 461251538Srpaulo setbit(&bands, IEEE80211_MODE_11B); 462251538Srpaulo setbit(&bands, IEEE80211_MODE_11G); 463251538Srpaulo ieee80211_init_channels(ic, NULL, &bands); 464251538Srpaulo 465251538Srpaulo ieee80211_ifattach(ic, sc->sc_bssid); 466251538Srpaulo ic->ic_raw_xmit = urtwn_raw_xmit; 467251538Srpaulo ic->ic_scan_start = urtwn_scan_start; 468251538Srpaulo ic->ic_scan_end = urtwn_scan_end; 469251538Srpaulo ic->ic_set_channel = urtwn_set_channel; 470251538Srpaulo 471251538Srpaulo ic->ic_vap_create = urtwn_vap_create; 472251538Srpaulo ic->ic_vap_delete = urtwn_vap_delete; 473251538Srpaulo ic->ic_update_mcast = urtwn_update_mcast; 474251538Srpaulo 475281069Srpaulo ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr, 476251538Srpaulo sizeof(sc->sc_txtap), URTWN_TX_RADIOTAP_PRESENT, 477251538Srpaulo &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 478251538Srpaulo URTWN_RX_RADIOTAP_PRESENT); 479251538Srpaulo 480251538Srpaulo if (bootverbose) 481251538Srpaulo ieee80211_announce(ic); 482251538Srpaulo 483251538Srpaulo return (0); 484251538Srpaulo 485251538Srpaulodetach: 486251538Srpaulo urtwn_detach(self); 487251538Srpaulo return (ENXIO); /* failure */ 488251538Srpaulo} 489251538Srpaulo 490251538Srpaulostatic int 491251538Srpaulourtwn_detach(device_t self) 492251538Srpaulo{ 493251538Srpaulo struct urtwn_softc *sc = device_get_softc(self); 494251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 495251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 496263153Skevlo unsigned int x; 497281069Srpaulo 498263153Skevlo /* Prevent further ioctls. */ 499263153Skevlo URTWN_LOCK(sc); 500263153Skevlo sc->sc_flags |= URTWN_DETACHED; 501263153Skevlo URTWN_UNLOCK(sc); 502251538Srpaulo 503263153Skevlo urtwn_stop(ifp); 504251538Srpaulo 505251538Srpaulo callout_drain(&sc->sc_watchdog_ch); 506251538Srpaulo 507263153Skevlo /* Prevent further allocations from RX/TX data lists. */ 508263153Skevlo URTWN_LOCK(sc); 509263153Skevlo STAILQ_INIT(&sc->sc_tx_active); 510263153Skevlo STAILQ_INIT(&sc->sc_tx_inactive); 511263153Skevlo STAILQ_INIT(&sc->sc_tx_pending); 512263153Skevlo 513263153Skevlo STAILQ_INIT(&sc->sc_rx_active); 514263153Skevlo STAILQ_INIT(&sc->sc_rx_inactive); 515263153Skevlo URTWN_UNLOCK(sc); 516263153Skevlo 517263153Skevlo /* drain USB transfers */ 518263153Skevlo for (x = 0; x != URTWN_N_TRANSFER; x++) 519263153Skevlo usbd_transfer_drain(sc->sc_xfer[x]); 520263153Skevlo 521263153Skevlo /* Free data buffers. */ 522263153Skevlo URTWN_LOCK(sc); 523263153Skevlo urtwn_free_tx_list(sc); 524263153Skevlo urtwn_free_rx_list(sc); 525263153Skevlo URTWN_UNLOCK(sc); 526263153Skevlo 527251538Srpaulo /* stop all USB transfers */ 528251538Srpaulo usbd_transfer_unsetup(sc->sc_xfer, URTWN_N_TRANSFER); 529251538Srpaulo ieee80211_ifdetach(ic); 530251538Srpaulo 531251538Srpaulo if_free(ifp); 532251538Srpaulo mtx_destroy(&sc->sc_mtx); 533251538Srpaulo 534251538Srpaulo return (0); 535251538Srpaulo} 536251538Srpaulo 537251538Srpaulostatic void 538251538Srpaulourtwn_free_tx_list(struct urtwn_softc *sc) 539251538Srpaulo{ 540251538Srpaulo urtwn_free_list(sc, sc->sc_tx, URTWN_TX_LIST_COUNT); 541251538Srpaulo} 542251538Srpaulo 543251538Srpaulostatic void 544251538Srpaulourtwn_free_rx_list(struct urtwn_softc *sc) 545251538Srpaulo{ 546251538Srpaulo urtwn_free_list(sc, sc->sc_rx, URTWN_RX_LIST_COUNT); 547251538Srpaulo} 548251538Srpaulo 549251538Srpaulostatic void 550251538Srpaulourtwn_free_list(struct urtwn_softc *sc, struct urtwn_data data[], int ndata) 551251538Srpaulo{ 552251538Srpaulo int i; 553251538Srpaulo 554251538Srpaulo for (i = 0; i < ndata; i++) { 555251538Srpaulo struct urtwn_data *dp = &data[i]; 556251538Srpaulo 557251538Srpaulo if (dp->buf != NULL) { 558251538Srpaulo free(dp->buf, M_USBDEV); 559251538Srpaulo dp->buf = NULL; 560251538Srpaulo } 561251538Srpaulo if (dp->ni != NULL) { 562251538Srpaulo ieee80211_free_node(dp->ni); 563251538Srpaulo dp->ni = NULL; 564251538Srpaulo } 565251538Srpaulo } 566251538Srpaulo} 567251538Srpaulo 568251538Srpaulostatic usb_error_t 569251538Srpaulourtwn_do_request(struct urtwn_softc *sc, struct usb_device_request *req, 570251538Srpaulo void *data) 571251538Srpaulo{ 572251538Srpaulo usb_error_t err; 573251538Srpaulo int ntries = 10; 574251538Srpaulo 575251538Srpaulo URTWN_ASSERT_LOCKED(sc); 576251538Srpaulo 577251538Srpaulo while (ntries--) { 578251538Srpaulo err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 579251538Srpaulo req, data, 0, NULL, 250 /* ms */); 580251538Srpaulo if (err == 0) 581251538Srpaulo break; 582251538Srpaulo 583251538Srpaulo DPRINTFN(1, "Control request failed, %s (retrying)\n", 584251538Srpaulo usbd_errstr(err)); 585251538Srpaulo usb_pause_mtx(&sc->sc_mtx, hz / 100); 586251538Srpaulo } 587251538Srpaulo return (err); 588251538Srpaulo} 589251538Srpaulo 590251538Srpaulostatic struct ieee80211vap * 591251538Srpaulourtwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 592251538Srpaulo enum ieee80211_opmode opmode, int flags, 593251538Srpaulo const uint8_t bssid[IEEE80211_ADDR_LEN], 594251538Srpaulo const uint8_t mac[IEEE80211_ADDR_LEN]) 595251538Srpaulo{ 596251538Srpaulo struct urtwn_vap *uvp; 597251538Srpaulo struct ieee80211vap *vap; 598251538Srpaulo 599251538Srpaulo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 600251538Srpaulo return (NULL); 601251538Srpaulo 602251538Srpaulo uvp = (struct urtwn_vap *) malloc(sizeof(struct urtwn_vap), 603251538Srpaulo M_80211_VAP, M_NOWAIT | M_ZERO); 604251538Srpaulo if (uvp == NULL) 605251538Srpaulo return (NULL); 606251538Srpaulo vap = &uvp->vap; 607251538Srpaulo /* enable s/w bmiss handling for sta mode */ 608251538Srpaulo 609281069Srpaulo if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 610257743Shselasky flags | IEEE80211_CLONE_NOBEACONS, bssid, mac) != 0) { 611257743Shselasky /* out of memory */ 612257743Shselasky free(uvp, M_80211_VAP); 613257743Shselasky return (NULL); 614257743Shselasky } 615257743Shselasky 616251538Srpaulo /* override state transition machine */ 617251538Srpaulo uvp->newstate = vap->iv_newstate; 618251538Srpaulo vap->iv_newstate = urtwn_newstate; 619251538Srpaulo 620251538Srpaulo /* complete setup */ 621251538Srpaulo ieee80211_vap_attach(vap, ieee80211_media_change, 622251538Srpaulo ieee80211_media_status); 623251538Srpaulo ic->ic_opmode = opmode; 624251538Srpaulo return (vap); 625251538Srpaulo} 626251538Srpaulo 627251538Srpaulostatic void 628251538Srpaulourtwn_vap_delete(struct ieee80211vap *vap) 629251538Srpaulo{ 630251538Srpaulo struct urtwn_vap *uvp = URTWN_VAP(vap); 631251538Srpaulo 632251538Srpaulo ieee80211_vap_detach(vap); 633251538Srpaulo free(uvp, M_80211_VAP); 634251538Srpaulo} 635251538Srpaulo 636251538Srpaulostatic struct mbuf * 637251538Srpaulourtwn_rx_frame(struct urtwn_softc *sc, uint8_t *buf, int pktlen, int *rssi_p) 638251538Srpaulo{ 639251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 640251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 641251538Srpaulo struct ieee80211_frame *wh; 642251538Srpaulo struct mbuf *m; 643251538Srpaulo struct r92c_rx_stat *stat; 644251538Srpaulo uint32_t rxdw0, rxdw3; 645251538Srpaulo uint8_t rate; 646251538Srpaulo int8_t rssi = 0; 647251538Srpaulo int infosz; 648251538Srpaulo 649251538Srpaulo /* 650251538Srpaulo * don't pass packets to the ieee80211 framework if the driver isn't 651251538Srpaulo * RUNNING. 652251538Srpaulo */ 653251538Srpaulo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 654251538Srpaulo return (NULL); 655251538Srpaulo 656251538Srpaulo stat = (struct r92c_rx_stat *)buf; 657251538Srpaulo rxdw0 = le32toh(stat->rxdw0); 658251538Srpaulo rxdw3 = le32toh(stat->rxdw3); 659251538Srpaulo 660251538Srpaulo if (rxdw0 & (R92C_RXDW0_CRCERR | R92C_RXDW0_ICVERR)) { 661251538Srpaulo /* 662251538Srpaulo * This should not happen since we setup our Rx filter 663251538Srpaulo * to not receive these frames. 664251538Srpaulo */ 665271866Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 666251538Srpaulo return (NULL); 667251538Srpaulo } 668271303Skevlo if (pktlen < sizeof(*wh) || pktlen > MCLBYTES) { 669271866Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 670271303Skevlo return (NULL); 671271303Skevlo } 672251538Srpaulo 673251538Srpaulo rate = MS(rxdw3, R92C_RXDW3_RATE); 674251538Srpaulo infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 675251538Srpaulo 676251538Srpaulo /* Get RSSI from PHY status descriptor if present. */ 677251538Srpaulo if (infosz != 0 && (rxdw0 & R92C_RXDW0_PHYST)) { 678281069Srpaulo if (sc->chip & URTWN_CHIP_88E) 679264912Skevlo rssi = urtwn_r88e_get_rssi(sc, rate, &stat[1]); 680264912Skevlo else 681264912Skevlo rssi = urtwn_get_rssi(sc, rate, &stat[1]); 682251538Srpaulo /* Update our average RSSI. */ 683251538Srpaulo urtwn_update_avgrssi(sc, rate, rssi); 684252405Srpaulo /* 685252405Srpaulo * Convert the RSSI to a range that will be accepted 686252405Srpaulo * by net80211. 687252405Srpaulo */ 688252405Srpaulo rssi = URTWN_RSSI(rssi); 689251538Srpaulo } 690251538Srpaulo 691260463Skevlo m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 692251538Srpaulo if (m == NULL) { 693251538Srpaulo device_printf(sc->sc_dev, "could not create RX mbuf\n"); 694251538Srpaulo return (NULL); 695251538Srpaulo } 696251538Srpaulo 697251538Srpaulo /* Finalize mbuf. */ 698251538Srpaulo m->m_pkthdr.rcvif = ifp; 699251538Srpaulo wh = (struct ieee80211_frame *)((uint8_t *)&stat[1] + infosz); 700251538Srpaulo memcpy(mtod(m, uint8_t *), wh, pktlen); 701251538Srpaulo m->m_pkthdr.len = m->m_len = pktlen; 702251538Srpaulo 703251538Srpaulo if (ieee80211_radiotap_active(ic)) { 704251538Srpaulo struct urtwn_rx_radiotap_header *tap = &sc->sc_rxtap; 705251538Srpaulo 706251538Srpaulo tap->wr_flags = 0; 707251538Srpaulo /* Map HW rate index to 802.11 rate. */ 708251538Srpaulo if (!(rxdw3 & R92C_RXDW3_HT)) { 709251538Srpaulo switch (rate) { 710251538Srpaulo /* CCK. */ 711251538Srpaulo case 0: tap->wr_rate = 2; break; 712251538Srpaulo case 1: tap->wr_rate = 4; break; 713251538Srpaulo case 2: tap->wr_rate = 11; break; 714251538Srpaulo case 3: tap->wr_rate = 22; break; 715251538Srpaulo /* OFDM. */ 716251538Srpaulo case 4: tap->wr_rate = 12; break; 717251538Srpaulo case 5: tap->wr_rate = 18; break; 718251538Srpaulo case 6: tap->wr_rate = 24; break; 719251538Srpaulo case 7: tap->wr_rate = 36; break; 720251538Srpaulo case 8: tap->wr_rate = 48; break; 721251538Srpaulo case 9: tap->wr_rate = 72; break; 722251538Srpaulo case 10: tap->wr_rate = 96; break; 723251538Srpaulo case 11: tap->wr_rate = 108; break; 724251538Srpaulo } 725251538Srpaulo } else if (rate >= 12) { /* MCS0~15. */ 726251538Srpaulo /* Bit 7 set means HT MCS instead of rate. */ 727251538Srpaulo tap->wr_rate = 0x80 | (rate - 12); 728251538Srpaulo } 729251538Srpaulo tap->wr_dbm_antsignal = rssi; 730251538Srpaulo tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 731251538Srpaulo tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 732251538Srpaulo } 733251538Srpaulo 734251538Srpaulo *rssi_p = rssi; 735251538Srpaulo 736251538Srpaulo return (m); 737251538Srpaulo} 738251538Srpaulo 739251538Srpaulostatic struct mbuf * 740251538Srpaulourtwn_rxeof(struct usb_xfer *xfer, struct urtwn_data *data, int *rssi, 741251538Srpaulo int8_t *nf) 742251538Srpaulo{ 743251538Srpaulo struct urtwn_softc *sc = data->sc; 744251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 745251538Srpaulo struct r92c_rx_stat *stat; 746251538Srpaulo struct mbuf *m, *m0 = NULL, *prevm = NULL; 747251538Srpaulo uint32_t rxdw0; 748251538Srpaulo uint8_t *buf; 749251538Srpaulo int len, totlen, pktlen, infosz, npkts; 750251538Srpaulo 751251538Srpaulo usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 752251538Srpaulo 753251538Srpaulo if (len < sizeof(*stat)) { 754271866Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 755251538Srpaulo return (NULL); 756251538Srpaulo } 757251538Srpaulo 758251538Srpaulo buf = data->buf; 759251538Srpaulo /* Get the number of encapsulated frames. */ 760251538Srpaulo stat = (struct r92c_rx_stat *)buf; 761251538Srpaulo npkts = MS(le32toh(stat->rxdw2), R92C_RXDW2_PKTCNT); 762251538Srpaulo DPRINTFN(6, "Rx %d frames in one chunk\n", npkts); 763251538Srpaulo 764251538Srpaulo /* Process all of them. */ 765251538Srpaulo while (npkts-- > 0) { 766251538Srpaulo if (len < sizeof(*stat)) 767251538Srpaulo break; 768251538Srpaulo stat = (struct r92c_rx_stat *)buf; 769251538Srpaulo rxdw0 = le32toh(stat->rxdw0); 770251538Srpaulo 771251538Srpaulo pktlen = MS(rxdw0, R92C_RXDW0_PKTLEN); 772251538Srpaulo if (pktlen == 0) 773251538Srpaulo break; 774251538Srpaulo 775251538Srpaulo infosz = MS(rxdw0, R92C_RXDW0_INFOSZ) * 8; 776251538Srpaulo 777251538Srpaulo /* Make sure everything fits in xfer. */ 778251538Srpaulo totlen = sizeof(*stat) + infosz + pktlen; 779251538Srpaulo if (totlen > len) 780251538Srpaulo break; 781251538Srpaulo 782251538Srpaulo m = urtwn_rx_frame(sc, buf, pktlen, rssi); 783251538Srpaulo if (m0 == NULL) 784251538Srpaulo m0 = m; 785251538Srpaulo if (prevm == NULL) 786251538Srpaulo prevm = m; 787251538Srpaulo else { 788251538Srpaulo prevm->m_next = m; 789251538Srpaulo prevm = m; 790251538Srpaulo } 791251538Srpaulo 792251538Srpaulo /* Next chunk is 128-byte aligned. */ 793251538Srpaulo totlen = (totlen + 127) & ~127; 794251538Srpaulo buf += totlen; 795251538Srpaulo len -= totlen; 796251538Srpaulo } 797251538Srpaulo 798251538Srpaulo return (m0); 799251538Srpaulo} 800251538Srpaulo 801251538Srpaulostatic void 802251538Srpaulourtwn_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 803251538Srpaulo{ 804251538Srpaulo struct urtwn_softc *sc = usbd_xfer_softc(xfer); 805251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 806251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 807251538Srpaulo struct ieee80211_frame *wh; 808251538Srpaulo struct ieee80211_node *ni; 809251538Srpaulo struct mbuf *m = NULL, *next; 810251538Srpaulo struct urtwn_data *data; 811251538Srpaulo int8_t nf; 812251538Srpaulo int rssi = 1; 813251538Srpaulo 814251538Srpaulo URTWN_ASSERT_LOCKED(sc); 815251538Srpaulo 816251538Srpaulo switch (USB_GET_STATE(xfer)) { 817251538Srpaulo case USB_ST_TRANSFERRED: 818251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 819251538Srpaulo if (data == NULL) 820251538Srpaulo goto tr_setup; 821251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 822251538Srpaulo m = urtwn_rxeof(xfer, data, &rssi, &nf); 823251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 824251538Srpaulo /* FALLTHROUGH */ 825251538Srpaulo case USB_ST_SETUP: 826251538Srpaulotr_setup: 827251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_inactive); 828251538Srpaulo if (data == NULL) { 829251538Srpaulo KASSERT(m == NULL, ("mbuf isn't NULL")); 830251538Srpaulo return; 831251538Srpaulo } 832251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 833251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 834251538Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, 835251538Srpaulo usbd_xfer_max_len(xfer)); 836251538Srpaulo usbd_transfer_submit(xfer); 837251538Srpaulo 838251538Srpaulo /* 839251538Srpaulo * To avoid LOR we should unlock our private mutex here to call 840251538Srpaulo * ieee80211_input() because here is at the end of a USB 841251538Srpaulo * callback and safe to unlock. 842251538Srpaulo */ 843251538Srpaulo URTWN_UNLOCK(sc); 844251538Srpaulo while (m != NULL) { 845251538Srpaulo next = m->m_next; 846251538Srpaulo m->m_next = NULL; 847251538Srpaulo wh = mtod(m, struct ieee80211_frame *); 848251538Srpaulo ni = ieee80211_find_rxnode(ic, 849251538Srpaulo (struct ieee80211_frame_min *)wh); 850251538Srpaulo nf = URTWN_NOISE_FLOOR; 851251538Srpaulo if (ni != NULL) { 852251538Srpaulo (void)ieee80211_input(ni, m, rssi, nf); 853251538Srpaulo ieee80211_free_node(ni); 854251538Srpaulo } else 855251538Srpaulo (void)ieee80211_input_all(ic, m, rssi, nf); 856251538Srpaulo m = next; 857251538Srpaulo } 858251538Srpaulo URTWN_LOCK(sc); 859251538Srpaulo break; 860251538Srpaulo default: 861251538Srpaulo /* needs it to the inactive queue due to a error. */ 862251538Srpaulo data = STAILQ_FIRST(&sc->sc_rx_active); 863251538Srpaulo if (data != NULL) { 864251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 865251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 866251538Srpaulo } 867251538Srpaulo if (error != USB_ERR_CANCELLED) { 868251538Srpaulo usbd_xfer_set_stall(xfer); 869271866Sglebius if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 870251538Srpaulo goto tr_setup; 871251538Srpaulo } 872251538Srpaulo break; 873251538Srpaulo } 874251538Srpaulo} 875251538Srpaulo 876251538Srpaulostatic void 877251538Srpaulourtwn_txeof(struct usb_xfer *xfer, struct urtwn_data *data) 878251538Srpaulo{ 879251538Srpaulo struct urtwn_softc *sc = usbd_xfer_softc(xfer); 880251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 881251538Srpaulo struct mbuf *m; 882251538Srpaulo 883251538Srpaulo URTWN_ASSERT_LOCKED(sc); 884251538Srpaulo 885251538Srpaulo /* 886251538Srpaulo * Do any tx complete callback. Note this must be done before releasing 887251538Srpaulo * the node reference. 888251538Srpaulo */ 889251538Srpaulo if (data->m) { 890251538Srpaulo m = data->m; 891251538Srpaulo if (m->m_flags & M_TXCB) { 892251538Srpaulo /* XXX status? */ 893251538Srpaulo ieee80211_process_callback(data->ni, m, 0); 894251538Srpaulo } 895251538Srpaulo m_freem(m); 896251538Srpaulo data->m = NULL; 897251538Srpaulo } 898251538Srpaulo if (data->ni) { 899251538Srpaulo ieee80211_free_node(data->ni); 900251538Srpaulo data->ni = NULL; 901251538Srpaulo } 902251538Srpaulo sc->sc_txtimer = 0; 903271866Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 904251538Srpaulo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 905251538Srpaulo} 906251538Srpaulo 907251538Srpaulostatic void 908251538Srpaulourtwn_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 909251538Srpaulo{ 910251538Srpaulo struct urtwn_softc *sc = usbd_xfer_softc(xfer); 911251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 912251538Srpaulo struct urtwn_data *data; 913251538Srpaulo 914251538Srpaulo URTWN_ASSERT_LOCKED(sc); 915251538Srpaulo 916251538Srpaulo switch (USB_GET_STATE(xfer)){ 917251538Srpaulo case USB_ST_TRANSFERRED: 918251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_active); 919251538Srpaulo if (data == NULL) 920251538Srpaulo goto tr_setup; 921251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 922251538Srpaulo urtwn_txeof(xfer, data); 923251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 924251538Srpaulo /* FALLTHROUGH */ 925251538Srpaulo case USB_ST_SETUP: 926251538Srpaulotr_setup: 927251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_pending); 928251538Srpaulo if (data == NULL) { 929251538Srpaulo DPRINTF("%s: empty pending queue\n", __func__); 930251538Srpaulo return; 931251538Srpaulo } 932251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 933251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 934251538Srpaulo usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 935251538Srpaulo usbd_transfer_submit(xfer); 936261863Srpaulo urtwn_start_locked(ifp, sc); 937251538Srpaulo break; 938251538Srpaulo default: 939251538Srpaulo data = STAILQ_FIRST(&sc->sc_tx_active); 940251538Srpaulo if (data == NULL) 941251538Srpaulo goto tr_setup; 942251538Srpaulo if (data->ni != NULL) { 943251538Srpaulo ieee80211_free_node(data->ni); 944251538Srpaulo data->ni = NULL; 945271866Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 946251538Srpaulo } 947251538Srpaulo if (error != USB_ERR_CANCELLED) { 948251538Srpaulo usbd_xfer_set_stall(xfer); 949251538Srpaulo goto tr_setup; 950251538Srpaulo } 951251538Srpaulo break; 952251538Srpaulo } 953251538Srpaulo} 954251538Srpaulo 955251538Srpaulostatic struct urtwn_data * 956251538Srpaulo_urtwn_getbuf(struct urtwn_softc *sc) 957251538Srpaulo{ 958251538Srpaulo struct urtwn_data *bf; 959251538Srpaulo 960251538Srpaulo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 961251538Srpaulo if (bf != NULL) 962251538Srpaulo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 963251538Srpaulo else 964251538Srpaulo bf = NULL; 965251538Srpaulo if (bf == NULL) 966251538Srpaulo DPRINTF("%s: %s\n", __func__, "out of xmit buffers"); 967251538Srpaulo return (bf); 968251538Srpaulo} 969251538Srpaulo 970251538Srpaulostatic struct urtwn_data * 971251538Srpaulourtwn_getbuf(struct urtwn_softc *sc) 972251538Srpaulo{ 973251538Srpaulo struct urtwn_data *bf; 974251538Srpaulo 975251538Srpaulo URTWN_ASSERT_LOCKED(sc); 976251538Srpaulo 977251538Srpaulo bf = _urtwn_getbuf(sc); 978251538Srpaulo if (bf == NULL) { 979251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 980251538Srpaulo DPRINTF("%s: stop queue\n", __func__); 981251538Srpaulo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 982251538Srpaulo } 983251538Srpaulo return (bf); 984251538Srpaulo} 985251538Srpaulo 986251538Srpaulostatic int 987251538Srpaulourtwn_write_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 988251538Srpaulo int len) 989251538Srpaulo{ 990251538Srpaulo usb_device_request_t req; 991251538Srpaulo 992251538Srpaulo req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 993251538Srpaulo req.bRequest = R92C_REQ_REGS; 994251538Srpaulo USETW(req.wValue, addr); 995251538Srpaulo USETW(req.wIndex, 0); 996251538Srpaulo USETW(req.wLength, len); 997251538Srpaulo return (urtwn_do_request(sc, &req, buf)); 998251538Srpaulo} 999251538Srpaulo 1000251538Srpaulostatic void 1001251538Srpaulourtwn_write_1(struct urtwn_softc *sc, uint16_t addr, uint8_t val) 1002251538Srpaulo{ 1003251538Srpaulo urtwn_write_region_1(sc, addr, &val, 1); 1004251538Srpaulo} 1005251538Srpaulo 1006251538Srpaulo 1007251538Srpaulostatic void 1008251538Srpaulourtwn_write_2(struct urtwn_softc *sc, uint16_t addr, uint16_t val) 1009251538Srpaulo{ 1010251538Srpaulo val = htole16(val); 1011251538Srpaulo urtwn_write_region_1(sc, addr, (uint8_t *)&val, 2); 1012251538Srpaulo} 1013251538Srpaulo 1014251538Srpaulostatic void 1015251538Srpaulourtwn_write_4(struct urtwn_softc *sc, uint16_t addr, uint32_t val) 1016251538Srpaulo{ 1017251538Srpaulo val = htole32(val); 1018251538Srpaulo urtwn_write_region_1(sc, addr, (uint8_t *)&val, 4); 1019251538Srpaulo} 1020251538Srpaulo 1021251538Srpaulostatic int 1022251538Srpaulourtwn_read_region_1(struct urtwn_softc *sc, uint16_t addr, uint8_t *buf, 1023251538Srpaulo int len) 1024251538Srpaulo{ 1025251538Srpaulo usb_device_request_t req; 1026251538Srpaulo 1027251538Srpaulo req.bmRequestType = UT_READ_VENDOR_DEVICE; 1028251538Srpaulo req.bRequest = R92C_REQ_REGS; 1029251538Srpaulo USETW(req.wValue, addr); 1030251538Srpaulo USETW(req.wIndex, 0); 1031251538Srpaulo USETW(req.wLength, len); 1032251538Srpaulo return (urtwn_do_request(sc, &req, buf)); 1033251538Srpaulo} 1034251538Srpaulo 1035251538Srpaulostatic uint8_t 1036251538Srpaulourtwn_read_1(struct urtwn_softc *sc, uint16_t addr) 1037251538Srpaulo{ 1038251538Srpaulo uint8_t val; 1039251538Srpaulo 1040251538Srpaulo if (urtwn_read_region_1(sc, addr, &val, 1) != 0) 1041251538Srpaulo return (0xff); 1042251538Srpaulo return (val); 1043251538Srpaulo} 1044251538Srpaulo 1045251538Srpaulostatic uint16_t 1046251538Srpaulourtwn_read_2(struct urtwn_softc *sc, uint16_t addr) 1047251538Srpaulo{ 1048251538Srpaulo uint16_t val; 1049251538Srpaulo 1050251538Srpaulo if (urtwn_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0) 1051251538Srpaulo return (0xffff); 1052251538Srpaulo return (le16toh(val)); 1053251538Srpaulo} 1054251538Srpaulo 1055251538Srpaulostatic uint32_t 1056251538Srpaulourtwn_read_4(struct urtwn_softc *sc, uint16_t addr) 1057251538Srpaulo{ 1058251538Srpaulo uint32_t val; 1059251538Srpaulo 1060251538Srpaulo if (urtwn_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0) 1061251538Srpaulo return (0xffffffff); 1062251538Srpaulo return (le32toh(val)); 1063251538Srpaulo} 1064251538Srpaulo 1065251538Srpaulostatic int 1066251538Srpaulourtwn_fw_cmd(struct urtwn_softc *sc, uint8_t id, const void *buf, int len) 1067251538Srpaulo{ 1068251538Srpaulo struct r92c_fw_cmd cmd; 1069251538Srpaulo int ntries; 1070251538Srpaulo 1071251538Srpaulo /* Wait for current FW box to be empty. */ 1072251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 1073251538Srpaulo if (!(urtwn_read_1(sc, R92C_HMETFR) & (1 << sc->fwcur))) 1074251538Srpaulo break; 1075266472Shselasky urtwn_ms_delay(sc); 1076251538Srpaulo } 1077251538Srpaulo if (ntries == 100) { 1078251538Srpaulo device_printf(sc->sc_dev, 1079251538Srpaulo "could not send firmware command\n"); 1080251538Srpaulo return (ETIMEDOUT); 1081251538Srpaulo } 1082251538Srpaulo memset(&cmd, 0, sizeof(cmd)); 1083251538Srpaulo cmd.id = id; 1084251538Srpaulo if (len > 3) 1085251538Srpaulo cmd.id |= R92C_CMD_FLAG_EXT; 1086251538Srpaulo KASSERT(len <= sizeof(cmd.msg), ("urtwn_fw_cmd\n")); 1087251538Srpaulo memcpy(cmd.msg, buf, len); 1088251538Srpaulo 1089251538Srpaulo /* Write the first word last since that will trigger the FW. */ 1090251538Srpaulo urtwn_write_region_1(sc, R92C_HMEBOX_EXT(sc->fwcur), 1091251538Srpaulo (uint8_t *)&cmd + 4, 2); 1092251538Srpaulo urtwn_write_region_1(sc, R92C_HMEBOX(sc->fwcur), 1093251538Srpaulo (uint8_t *)&cmd + 0, 4); 1094251538Srpaulo 1095251538Srpaulo sc->fwcur = (sc->fwcur + 1) % R92C_H2C_NBOX; 1096251538Srpaulo return (0); 1097251538Srpaulo} 1098251538Srpaulo 1099264912Skevlostatic __inline void 1100251538Srpaulourtwn_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, uint32_t val) 1101251538Srpaulo{ 1102264912Skevlo 1103264912Skevlo sc->sc_rf_write(sc, chain, addr, val); 1104264912Skevlo} 1105264912Skevlo 1106264912Skevlostatic void 1107264912Skevlourtwn_r92c_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1108264912Skevlo uint32_t val) 1109264912Skevlo{ 1110251538Srpaulo urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1111251538Srpaulo SM(R92C_LSSI_PARAM_ADDR, addr) | 1112251538Srpaulo SM(R92C_LSSI_PARAM_DATA, val)); 1113251538Srpaulo} 1114251538Srpaulo 1115264912Skevlostatic void 1116264912Skevlourtwn_r88e_rf_write(struct urtwn_softc *sc, int chain, uint8_t addr, 1117264912Skevlouint32_t val) 1118264912Skevlo{ 1119264912Skevlo urtwn_bb_write(sc, R92C_LSSI_PARAM(chain), 1120264912Skevlo SM(R88E_LSSI_PARAM_ADDR, addr) | 1121264912Skevlo SM(R92C_LSSI_PARAM_DATA, val)); 1122264912Skevlo} 1123264912Skevlo 1124251538Srpaulostatic uint32_t 1125251538Srpaulourtwn_rf_read(struct urtwn_softc *sc, int chain, uint8_t addr) 1126251538Srpaulo{ 1127251538Srpaulo uint32_t reg[R92C_MAX_CHAINS], val; 1128251538Srpaulo 1129251538Srpaulo reg[0] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)); 1130251538Srpaulo if (chain != 0) 1131251538Srpaulo reg[chain] = urtwn_bb_read(sc, R92C_HSSI_PARAM2(chain)); 1132251538Srpaulo 1133251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1134251538Srpaulo reg[0] & ~R92C_HSSI_PARAM2_READ_EDGE); 1135266472Shselasky urtwn_ms_delay(sc); 1136251538Srpaulo 1137251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(chain), 1138251538Srpaulo RW(reg[chain], R92C_HSSI_PARAM2_READ_ADDR, addr) | 1139251538Srpaulo R92C_HSSI_PARAM2_READ_EDGE); 1140266472Shselasky urtwn_ms_delay(sc); 1141251538Srpaulo 1142251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(0), 1143251538Srpaulo reg[0] | R92C_HSSI_PARAM2_READ_EDGE); 1144266472Shselasky urtwn_ms_delay(sc); 1145251538Srpaulo 1146251538Srpaulo if (urtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI) 1147251538Srpaulo val = urtwn_bb_read(sc, R92C_HSPI_READBACK(chain)); 1148251538Srpaulo else 1149251538Srpaulo val = urtwn_bb_read(sc, R92C_LSSI_READBACK(chain)); 1150251538Srpaulo return (MS(val, R92C_LSSI_READBACK_DATA)); 1151251538Srpaulo} 1152251538Srpaulo 1153251538Srpaulostatic int 1154251538Srpaulourtwn_llt_write(struct urtwn_softc *sc, uint32_t addr, uint32_t data) 1155251538Srpaulo{ 1156251538Srpaulo int ntries; 1157251538Srpaulo 1158251538Srpaulo urtwn_write_4(sc, R92C_LLT_INIT, 1159251538Srpaulo SM(R92C_LLT_INIT_OP, R92C_LLT_INIT_OP_WRITE) | 1160251538Srpaulo SM(R92C_LLT_INIT_ADDR, addr) | 1161251538Srpaulo SM(R92C_LLT_INIT_DATA, data)); 1162251538Srpaulo /* Wait for write operation to complete. */ 1163251538Srpaulo for (ntries = 0; ntries < 20; ntries++) { 1164251538Srpaulo if (MS(urtwn_read_4(sc, R92C_LLT_INIT), R92C_LLT_INIT_OP) == 1165251538Srpaulo R92C_LLT_INIT_OP_NO_ACTIVE) 1166251538Srpaulo return (0); 1167266472Shselasky urtwn_ms_delay(sc); 1168251538Srpaulo } 1169251538Srpaulo return (ETIMEDOUT); 1170251538Srpaulo} 1171251538Srpaulo 1172251538Srpaulostatic uint8_t 1173251538Srpaulourtwn_efuse_read_1(struct urtwn_softc *sc, uint16_t addr) 1174251538Srpaulo{ 1175251538Srpaulo uint32_t reg; 1176251538Srpaulo int ntries; 1177251538Srpaulo 1178251538Srpaulo reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1179251538Srpaulo reg = RW(reg, R92C_EFUSE_CTRL_ADDR, addr); 1180251538Srpaulo reg &= ~R92C_EFUSE_CTRL_VALID; 1181251538Srpaulo urtwn_write_4(sc, R92C_EFUSE_CTRL, reg); 1182251538Srpaulo /* Wait for read operation to complete. */ 1183251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 1184251538Srpaulo reg = urtwn_read_4(sc, R92C_EFUSE_CTRL); 1185251538Srpaulo if (reg & R92C_EFUSE_CTRL_VALID) 1186251538Srpaulo return (MS(reg, R92C_EFUSE_CTRL_DATA)); 1187266472Shselasky urtwn_ms_delay(sc); 1188251538Srpaulo } 1189281069Srpaulo device_printf(sc->sc_dev, 1190251538Srpaulo "could not read efuse byte at address 0x%x\n", addr); 1191251538Srpaulo return (0xff); 1192251538Srpaulo} 1193251538Srpaulo 1194251538Srpaulostatic void 1195251538Srpaulourtwn_efuse_read(struct urtwn_softc *sc) 1196251538Srpaulo{ 1197251538Srpaulo uint8_t *rom = (uint8_t *)&sc->rom; 1198251538Srpaulo uint16_t addr = 0; 1199251538Srpaulo uint32_t reg; 1200282623Skevlo uint8_t off, msk; 1201251538Srpaulo int i; 1202251538Srpaulo 1203264912Skevlo urtwn_efuse_switch_power(sc); 1204264912Skevlo 1205251538Srpaulo memset(&sc->rom, 0xff, sizeof(sc->rom)); 1206251538Srpaulo while (addr < 512) { 1207251538Srpaulo reg = urtwn_efuse_read_1(sc, addr); 1208251538Srpaulo if (reg == 0xff) 1209251538Srpaulo break; 1210251538Srpaulo addr++; 1211251538Srpaulo off = reg >> 4; 1212251538Srpaulo msk = reg & 0xf; 1213251538Srpaulo for (i = 0; i < 4; i++) { 1214251538Srpaulo if (msk & (1 << i)) 1215251538Srpaulo continue; 1216251538Srpaulo rom[off * 8 + i * 2 + 0] = 1217251538Srpaulo urtwn_efuse_read_1(sc, addr); 1218251538Srpaulo addr++; 1219251538Srpaulo rom[off * 8 + i * 2 + 1] = 1220251538Srpaulo urtwn_efuse_read_1(sc, addr); 1221251538Srpaulo addr++; 1222251538Srpaulo } 1223251538Srpaulo } 1224251538Srpaulo#ifdef URTWN_DEBUG 1225251538Srpaulo if (urtwn_debug >= 2) { 1226251538Srpaulo /* Dump ROM content. */ 1227251538Srpaulo printf("\n"); 1228251538Srpaulo for (i = 0; i < sizeof(sc->rom); i++) 1229251538Srpaulo printf("%02x:", rom[i]); 1230251538Srpaulo printf("\n"); 1231251538Srpaulo } 1232251538Srpaulo#endif 1233282623Skevlo urtwn_write_1(sc, R92C_EFUSE_ACCESS, R92C_EFUSE_ACCESS_OFF); 1234282623Skevlo} 1235281592Skevlo 1236264912Skevlostatic void 1237264912Skevlourtwn_efuse_switch_power(struct urtwn_softc *sc) 1238264912Skevlo{ 1239264912Skevlo uint32_t reg; 1240251538Srpaulo 1241282623Skevlo urtwn_write_1(sc, R92C_EFUSE_ACCESS, R92C_EFUSE_ACCESS_ON); 1242281918Skevlo 1243264912Skevlo reg = urtwn_read_2(sc, R92C_SYS_ISO_CTRL); 1244264912Skevlo if (!(reg & R92C_SYS_ISO_CTRL_PWC_EV12V)) { 1245264912Skevlo urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 1246264912Skevlo reg | R92C_SYS_ISO_CTRL_PWC_EV12V); 1247264912Skevlo } 1248264912Skevlo reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 1249264912Skevlo if (!(reg & R92C_SYS_FUNC_EN_ELDR)) { 1250264912Skevlo urtwn_write_2(sc, R92C_SYS_FUNC_EN, 1251264912Skevlo reg | R92C_SYS_FUNC_EN_ELDR); 1252264912Skevlo } 1253264912Skevlo reg = urtwn_read_2(sc, R92C_SYS_CLKR); 1254264912Skevlo if ((reg & (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) != 1255264912Skevlo (R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M)) { 1256264912Skevlo urtwn_write_2(sc, R92C_SYS_CLKR, 1257264912Skevlo reg | R92C_SYS_CLKR_LOADER_EN | R92C_SYS_CLKR_ANA8M); 1258264912Skevlo } 1259264912Skevlo} 1260264912Skevlo 1261251538Srpaulostatic int 1262251538Srpaulourtwn_read_chipid(struct urtwn_softc *sc) 1263251538Srpaulo{ 1264251538Srpaulo uint32_t reg; 1265251538Srpaulo 1266264912Skevlo if (sc->chip & URTWN_CHIP_88E) 1267264912Skevlo return (0); 1268264912Skevlo 1269251538Srpaulo reg = urtwn_read_4(sc, R92C_SYS_CFG); 1270251538Srpaulo if (reg & R92C_SYS_CFG_TRP_VAUX_EN) 1271251538Srpaulo return (EIO); 1272251538Srpaulo 1273251538Srpaulo if (reg & R92C_SYS_CFG_TYPE_92C) { 1274251538Srpaulo sc->chip |= URTWN_CHIP_92C; 1275251538Srpaulo /* Check if it is a castrated 8192C. */ 1276251538Srpaulo if (MS(urtwn_read_4(sc, R92C_HPON_FSM), 1277251538Srpaulo R92C_HPON_FSM_CHIP_BONDING_ID) == 1278251538Srpaulo R92C_HPON_FSM_CHIP_BONDING_ID_92C_1T2R) 1279251538Srpaulo sc->chip |= URTWN_CHIP_92C_1T2R; 1280251538Srpaulo } 1281251538Srpaulo if (reg & R92C_SYS_CFG_VENDOR_UMC) { 1282251538Srpaulo sc->chip |= URTWN_CHIP_UMC; 1283251538Srpaulo if (MS(reg, R92C_SYS_CFG_CHIP_VER_RTL) == 0) 1284251538Srpaulo sc->chip |= URTWN_CHIP_UMC_A_CUT; 1285251538Srpaulo } 1286251538Srpaulo return (0); 1287251538Srpaulo} 1288251538Srpaulo 1289251538Srpaulostatic void 1290251538Srpaulourtwn_read_rom(struct urtwn_softc *sc) 1291251538Srpaulo{ 1292251538Srpaulo struct r92c_rom *rom = &sc->rom; 1293251538Srpaulo 1294251538Srpaulo /* Read full ROM image. */ 1295251538Srpaulo urtwn_efuse_read(sc); 1296251538Srpaulo 1297251538Srpaulo /* XXX Weird but this is what the vendor driver does. */ 1298251538Srpaulo sc->pa_setting = urtwn_efuse_read_1(sc, 0x1fa); 1299251538Srpaulo DPRINTF("PA setting=0x%x\n", sc->pa_setting); 1300251538Srpaulo 1301251538Srpaulo sc->board_type = MS(rom->rf_opt1, R92C_ROM_RF1_BOARD_TYPE); 1302251538Srpaulo 1303251538Srpaulo sc->regulatory = MS(rom->rf_opt1, R92C_ROM_RF1_REGULATORY); 1304251538Srpaulo DPRINTF("regulatory type=%d\n", sc->regulatory); 1305264912Skevlo IEEE80211_ADDR_COPY(sc->sc_bssid, rom->macaddr); 1306251538Srpaulo 1307264912Skevlo sc->sc_rf_write = urtwn_r92c_rf_write; 1308264912Skevlo sc->sc_power_on = urtwn_r92c_power_on; 1309264912Skevlo sc->sc_dma_init = urtwn_r92c_dma_init; 1310251538Srpaulo} 1311251538Srpaulo 1312264912Skevlostatic void 1313264912Skevlourtwn_r88e_read_rom(struct urtwn_softc *sc) 1314264912Skevlo{ 1315264912Skevlo uint8_t *rom = sc->r88e_rom; 1316264912Skevlo uint16_t addr = 0; 1317264912Skevlo uint32_t reg; 1318264912Skevlo uint8_t off, msk, tmp; 1319264912Skevlo int i; 1320264912Skevlo 1321264982Sandreast off = 0; 1322264912Skevlo urtwn_efuse_switch_power(sc); 1323264912Skevlo 1324264912Skevlo /* Read full ROM image. */ 1325264912Skevlo memset(&sc->r88e_rom, 0xff, sizeof(sc->r88e_rom)); 1326281918Skevlo while (addr < 512) { 1327264912Skevlo reg = urtwn_efuse_read_1(sc, addr); 1328264912Skevlo if (reg == 0xff) 1329264912Skevlo break; 1330264912Skevlo addr++; 1331264912Skevlo if ((reg & 0x1f) == 0x0f) { 1332264912Skevlo tmp = (reg & 0xe0) >> 5; 1333264912Skevlo reg = urtwn_efuse_read_1(sc, addr); 1334264912Skevlo if ((reg & 0x0f) != 0x0f) 1335264912Skevlo off = ((reg & 0xf0) >> 1) | tmp; 1336264912Skevlo addr++; 1337264912Skevlo } else 1338264912Skevlo off = reg >> 4; 1339264912Skevlo msk = reg & 0xf; 1340264912Skevlo for (i = 0; i < 4; i++) { 1341264912Skevlo if (msk & (1 << i)) 1342264912Skevlo continue; 1343264912Skevlo rom[off * 8 + i * 2 + 0] = 1344264912Skevlo urtwn_efuse_read_1(sc, addr); 1345264912Skevlo addr++; 1346264912Skevlo rom[off * 8 + i * 2 + 1] = 1347264912Skevlo urtwn_efuse_read_1(sc, addr); 1348264912Skevlo addr++; 1349264912Skevlo } 1350264912Skevlo } 1351264912Skevlo 1352281918Skevlo urtwn_write_1(sc, R92C_EFUSE_ACCESS, R92C_EFUSE_ACCESS_OFF); 1353281918Skevlo 1354264912Skevlo addr = 0x10; 1355264912Skevlo for (i = 0; i < 6; i++) 1356264912Skevlo sc->cck_tx_pwr[i] = sc->r88e_rom[addr++]; 1357264912Skevlo for (i = 0; i < 5; i++) 1358264912Skevlo sc->ht40_tx_pwr[i] = sc->r88e_rom[addr++]; 1359264912Skevlo sc->bw20_tx_pwr_diff = (sc->r88e_rom[addr] & 0xf0) >> 4; 1360264912Skevlo if (sc->bw20_tx_pwr_diff & 0x08) 1361264912Skevlo sc->bw20_tx_pwr_diff |= 0xf0; 1362264912Skevlo sc->ofdm_tx_pwr_diff = (sc->r88e_rom[addr] & 0xf); 1363264912Skevlo if (sc->ofdm_tx_pwr_diff & 0x08) 1364264912Skevlo sc->ofdm_tx_pwr_diff |= 0xf0; 1365264912Skevlo sc->regulatory = MS(sc->r88e_rom[0xc1], R92C_ROM_RF1_REGULATORY); 1366264912Skevlo IEEE80211_ADDR_COPY(sc->sc_bssid, &sc->r88e_rom[0xd7]); 1367264912Skevlo 1368264912Skevlo sc->sc_rf_write = urtwn_r88e_rf_write; 1369264912Skevlo sc->sc_power_on = urtwn_r88e_power_on; 1370264912Skevlo sc->sc_dma_init = urtwn_r88e_dma_init; 1371264912Skevlo} 1372264912Skevlo 1373251538Srpaulo/* 1374251538Srpaulo * Initialize rate adaptation in firmware. 1375251538Srpaulo */ 1376251538Srpaulostatic int 1377251538Srpaulourtwn_ra_init(struct urtwn_softc *sc) 1378251538Srpaulo{ 1379251538Srpaulo static const uint8_t map[] = 1380251538Srpaulo { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1381251538Srpaulo struct ieee80211com *ic = sc->sc_ifp->if_l2com; 1382251538Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1383251538Srpaulo struct ieee80211_node *ni; 1384251538Srpaulo struct ieee80211_rateset *rs; 1385251538Srpaulo struct r92c_fw_cmd_macid_cfg cmd; 1386251538Srpaulo uint32_t rates, basicrates; 1387251538Srpaulo uint8_t mode; 1388251538Srpaulo int maxrate, maxbasicrate, error, i, j; 1389251538Srpaulo 1390251538Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1391251538Srpaulo rs = &ni->ni_rates; 1392251538Srpaulo 1393251538Srpaulo /* Get normal and basic rates mask. */ 1394251538Srpaulo rates = basicrates = 0; 1395251538Srpaulo maxrate = maxbasicrate = 0; 1396251538Srpaulo for (i = 0; i < rs->rs_nrates; i++) { 1397251538Srpaulo /* Convert 802.11 rate to HW rate index. */ 1398251538Srpaulo for (j = 0; j < nitems(map); j++) 1399251538Srpaulo if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == map[j]) 1400251538Srpaulo break; 1401251538Srpaulo if (j == nitems(map)) /* Unknown rate, skip. */ 1402251538Srpaulo continue; 1403251538Srpaulo rates |= 1 << j; 1404251538Srpaulo if (j > maxrate) 1405251538Srpaulo maxrate = j; 1406251538Srpaulo if (rs->rs_rates[i] & IEEE80211_RATE_BASIC) { 1407251538Srpaulo basicrates |= 1 << j; 1408251538Srpaulo if (j > maxbasicrate) 1409251538Srpaulo maxbasicrate = j; 1410251538Srpaulo } 1411251538Srpaulo } 1412251538Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1413251538Srpaulo mode = R92C_RAID_11B; 1414251538Srpaulo else 1415251538Srpaulo mode = R92C_RAID_11BG; 1416251538Srpaulo DPRINTF("mode=0x%x rates=0x%08x, basicrates=0x%08x\n", 1417251538Srpaulo mode, rates, basicrates); 1418251538Srpaulo 1419251538Srpaulo /* Set rates mask for group addressed frames. */ 1420251538Srpaulo cmd.macid = URTWN_MACID_BC | URTWN_MACID_VALID; 1421251538Srpaulo cmd.mask = htole32(mode << 28 | basicrates); 1422251538Srpaulo error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1423251538Srpaulo if (error != 0) { 1424252401Srpaulo ieee80211_free_node(ni); 1425251538Srpaulo device_printf(sc->sc_dev, 1426251538Srpaulo "could not add broadcast station\n"); 1427251538Srpaulo return (error); 1428251538Srpaulo } 1429251538Srpaulo /* Set initial MRR rate. */ 1430251538Srpaulo DPRINTF("maxbasicrate=%d\n", maxbasicrate); 1431251538Srpaulo urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BC), 1432251538Srpaulo maxbasicrate); 1433251538Srpaulo 1434251538Srpaulo /* Set rates mask for unicast frames. */ 1435251538Srpaulo cmd.macid = URTWN_MACID_BSS | URTWN_MACID_VALID; 1436251538Srpaulo cmd.mask = htole32(mode << 28 | rates); 1437251538Srpaulo error = urtwn_fw_cmd(sc, R92C_CMD_MACID_CONFIG, &cmd, sizeof(cmd)); 1438251538Srpaulo if (error != 0) { 1439252401Srpaulo ieee80211_free_node(ni); 1440251538Srpaulo device_printf(sc->sc_dev, "could not add BSS station\n"); 1441251538Srpaulo return (error); 1442251538Srpaulo } 1443251538Srpaulo /* Set initial MRR rate. */ 1444251538Srpaulo DPRINTF("maxrate=%d\n", maxrate); 1445251538Srpaulo urtwn_write_1(sc, R92C_INIDATA_RATE_SEL(URTWN_MACID_BSS), 1446251538Srpaulo maxrate); 1447251538Srpaulo 1448251538Srpaulo /* Indicate highest supported rate. */ 1449252403Srpaulo ni->ni_txrate = rs->rs_rates[rs->rs_nrates - 1]; 1450252401Srpaulo ieee80211_free_node(ni); 1451252401Srpaulo 1452251538Srpaulo return (0); 1453251538Srpaulo} 1454251538Srpaulo 1455251538Srpaulovoid 1456251538Srpaulourtwn_tsf_sync_enable(struct urtwn_softc *sc) 1457251538Srpaulo{ 1458251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 1459251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1460251538Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1461251538Srpaulo struct ieee80211_node *ni = vap->iv_bss; 1462251538Srpaulo 1463251538Srpaulo uint64_t tsf; 1464251538Srpaulo 1465251538Srpaulo /* Enable TSF synchronization. */ 1466251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 1467251538Srpaulo urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_DIS_TSF_UDT0); 1468251538Srpaulo 1469251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 1470251538Srpaulo urtwn_read_1(sc, R92C_BCN_CTRL) & ~R92C_BCN_CTRL_EN_BCN); 1471251538Srpaulo 1472251538Srpaulo /* Set initial TSF. */ 1473251538Srpaulo memcpy(&tsf, ni->ni_tstamp.data, 8); 1474251538Srpaulo tsf = le64toh(tsf); 1475251538Srpaulo tsf = tsf - (tsf % (vap->iv_bss->ni_intval * IEEE80211_DUR_TU)); 1476251538Srpaulo tsf -= IEEE80211_DUR_TU; 1477251538Srpaulo urtwn_write_4(sc, R92C_TSFTR + 0, tsf); 1478251538Srpaulo urtwn_write_4(sc, R92C_TSFTR + 4, tsf >> 32); 1479251538Srpaulo 1480251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 1481251538Srpaulo urtwn_read_1(sc, R92C_BCN_CTRL) | R92C_BCN_CTRL_EN_BCN); 1482251538Srpaulo} 1483251538Srpaulo 1484251538Srpaulostatic void 1485251538Srpaulourtwn_set_led(struct urtwn_softc *sc, int led, int on) 1486251538Srpaulo{ 1487251538Srpaulo uint8_t reg; 1488281069Srpaulo 1489251538Srpaulo if (led == URTWN_LED_LINK) { 1490264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 1491264912Skevlo reg = urtwn_read_1(sc, R92C_LEDCFG2) & 0xf0; 1492264912Skevlo urtwn_write_1(sc, R92C_LEDCFG2, reg | 0x60); 1493264912Skevlo if (!on) { 1494264912Skevlo reg = urtwn_read_1(sc, R92C_LEDCFG2) & 0x90; 1495264912Skevlo urtwn_write_1(sc, R92C_LEDCFG2, 1496264912Skevlo reg | R92C_LEDCFG0_DIS); 1497264912Skevlo urtwn_write_1(sc, R92C_MAC_PINMUX_CFG, 1498264912Skevlo urtwn_read_1(sc, R92C_MAC_PINMUX_CFG) & 1499264912Skevlo 0xfe); 1500264912Skevlo } 1501264912Skevlo } else { 1502264912Skevlo reg = urtwn_read_1(sc, R92C_LEDCFG0) & 0x70; 1503264912Skevlo if (!on) 1504264912Skevlo reg |= R92C_LEDCFG0_DIS; 1505264912Skevlo urtwn_write_1(sc, R92C_LEDCFG0, reg); 1506264912Skevlo } 1507264912Skevlo sc->ledlink = on; /* Save LED state. */ 1508251538Srpaulo } 1509251538Srpaulo} 1510251538Srpaulo 1511251538Srpaulostatic int 1512251538Srpaulourtwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1513251538Srpaulo{ 1514251538Srpaulo struct urtwn_vap *uvp = URTWN_VAP(vap); 1515251538Srpaulo struct ieee80211com *ic = vap->iv_ic; 1516251538Srpaulo struct urtwn_softc *sc = ic->ic_ifp->if_softc; 1517251538Srpaulo struct ieee80211_node *ni; 1518251538Srpaulo enum ieee80211_state ostate; 1519251538Srpaulo uint32_t reg; 1520251538Srpaulo 1521251538Srpaulo ostate = vap->iv_state; 1522251538Srpaulo DPRINTF("%s -> %s\n", ieee80211_state_name[ostate], 1523251538Srpaulo ieee80211_state_name[nstate]); 1524251538Srpaulo 1525251538Srpaulo IEEE80211_UNLOCK(ic); 1526251538Srpaulo URTWN_LOCK(sc); 1527251538Srpaulo callout_stop(&sc->sc_watchdog_ch); 1528251538Srpaulo 1529251538Srpaulo if (ostate == IEEE80211_S_RUN) { 1530251538Srpaulo /* Turn link LED off. */ 1531251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 0); 1532251538Srpaulo 1533251538Srpaulo /* Set media status to 'No Link'. */ 1534251538Srpaulo reg = urtwn_read_4(sc, R92C_CR); 1535251538Srpaulo reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_NOLINK); 1536251538Srpaulo urtwn_write_4(sc, R92C_CR, reg); 1537251538Srpaulo 1538251538Srpaulo /* Stop Rx of data frames. */ 1539251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1540251538Srpaulo 1541251538Srpaulo /* Rest TSF. */ 1542251538Srpaulo urtwn_write_1(sc, R92C_DUAL_TSF_RST, 0x03); 1543251538Srpaulo 1544251538Srpaulo /* Disable TSF synchronization. */ 1545251538Srpaulo urtwn_write_1(sc, R92C_BCN_CTRL, 1546251538Srpaulo urtwn_read_1(sc, R92C_BCN_CTRL) | 1547251538Srpaulo R92C_BCN_CTRL_DIS_TSF_UDT0); 1548251538Srpaulo 1549251538Srpaulo /* Reset EDCA parameters. */ 1550251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217); 1551251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317); 1552251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320); 1553251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444); 1554251538Srpaulo } 1555251538Srpaulo 1556251538Srpaulo switch (nstate) { 1557251538Srpaulo case IEEE80211_S_INIT: 1558251538Srpaulo /* Turn link LED off. */ 1559251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 0); 1560251538Srpaulo break; 1561251538Srpaulo case IEEE80211_S_SCAN: 1562251538Srpaulo if (ostate != IEEE80211_S_SCAN) { 1563251538Srpaulo /* Allow Rx from any BSSID. */ 1564251538Srpaulo urtwn_write_4(sc, R92C_RCR, 1565251538Srpaulo urtwn_read_4(sc, R92C_RCR) & 1566251538Srpaulo ~(R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN)); 1567251538Srpaulo 1568251538Srpaulo /* Set gain for scanning. */ 1569251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 1570251538Srpaulo reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 1571251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 1572251538Srpaulo 1573264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 1574264912Skevlo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 1575264912Skevlo reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x20); 1576264912Skevlo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 1577264912Skevlo } 1578251538Srpaulo } 1579251538Srpaulo /* Pause AC Tx queues. */ 1580251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 1581251538Srpaulo urtwn_read_1(sc, R92C_TXPAUSE) | 0x0f); 1582251538Srpaulo break; 1583251538Srpaulo case IEEE80211_S_AUTH: 1584251538Srpaulo /* Set initial gain under link. */ 1585251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(0)); 1586251538Srpaulo reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 1587251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), reg); 1588251538Srpaulo 1589264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 1590264912Skevlo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCCORE1(1)); 1591264912Skevlo reg = RW(reg, R92C_OFDM0_AGCCORE1_GAIN, 0x32); 1592264912Skevlo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(1), reg); 1593264912Skevlo } 1594251538Srpaulo urtwn_set_chan(sc, ic->ic_curchan, NULL); 1595251538Srpaulo break; 1596251538Srpaulo case IEEE80211_S_RUN: 1597251538Srpaulo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 1598251538Srpaulo /* Enable Rx of data frames. */ 1599251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 1600251538Srpaulo 1601251538Srpaulo /* Turn link LED on. */ 1602251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 1); 1603251538Srpaulo break; 1604251538Srpaulo } 1605251538Srpaulo 1606251538Srpaulo ni = ieee80211_ref_node(vap->iv_bss); 1607251538Srpaulo /* Set media status to 'Associated'. */ 1608251538Srpaulo reg = urtwn_read_4(sc, R92C_CR); 1609251538Srpaulo reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_INFRA); 1610251538Srpaulo urtwn_write_4(sc, R92C_CR, reg); 1611251538Srpaulo 1612251538Srpaulo /* Set BSSID. */ 1613251538Srpaulo urtwn_write_4(sc, R92C_BSSID + 0, LE_READ_4(&ni->ni_bssid[0])); 1614251538Srpaulo urtwn_write_4(sc, R92C_BSSID + 4, LE_READ_2(&ni->ni_bssid[4])); 1615251538Srpaulo 1616251538Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1617251538Srpaulo urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 0); 1618251538Srpaulo else /* 802.11b/g */ 1619251538Srpaulo urtwn_write_1(sc, R92C_INIRTS_RATE_SEL, 3); 1620251538Srpaulo 1621251538Srpaulo /* Enable Rx of data frames. */ 1622251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 1623251538Srpaulo 1624251538Srpaulo /* Flush all AC queues. */ 1625251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 0); 1626251538Srpaulo 1627251538Srpaulo /* Set beacon interval. */ 1628251538Srpaulo urtwn_write_2(sc, R92C_BCN_INTERVAL, ni->ni_intval); 1629251538Srpaulo 1630251538Srpaulo /* Allow Rx from our BSSID only. */ 1631251538Srpaulo urtwn_write_4(sc, R92C_RCR, 1632251538Srpaulo urtwn_read_4(sc, R92C_RCR) | 1633251538Srpaulo R92C_RCR_CBSSID_DATA | R92C_RCR_CBSSID_BCN); 1634251538Srpaulo 1635251538Srpaulo /* Enable TSF synchronization. */ 1636251538Srpaulo urtwn_tsf_sync_enable(sc); 1637251538Srpaulo 1638251538Srpaulo urtwn_write_1(sc, R92C_SIFS_CCK + 1, 10); 1639251538Srpaulo urtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10); 1640251538Srpaulo urtwn_write_1(sc, R92C_SPEC_SIFS + 1, 10); 1641251538Srpaulo urtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, 10); 1642251538Srpaulo urtwn_write_1(sc, R92C_R2T_SIFS + 1, 10); 1643251538Srpaulo urtwn_write_1(sc, R92C_T2T_SIFS + 1, 10); 1644251538Srpaulo 1645251538Srpaulo /* Intialize rate adaptation. */ 1646264912Skevlo if (sc->chip & URTWN_CHIP_88E) 1647264912Skevlo ni->ni_txrate = 1648264912Skevlo ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates-1]; 1649281069Srpaulo else 1650264912Skevlo urtwn_ra_init(sc); 1651251538Srpaulo /* Turn link LED on. */ 1652251538Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, 1); 1653251538Srpaulo 1654251538Srpaulo sc->avg_pwdb = -1; /* Reset average RSSI. */ 1655251538Srpaulo /* Reset temperature calibration state machine. */ 1656251538Srpaulo sc->thcal_state = 0; 1657251538Srpaulo sc->thcal_lctemp = 0; 1658251538Srpaulo ieee80211_free_node(ni); 1659251538Srpaulo break; 1660251538Srpaulo default: 1661251538Srpaulo break; 1662251538Srpaulo } 1663251538Srpaulo URTWN_UNLOCK(sc); 1664251538Srpaulo IEEE80211_LOCK(ic); 1665251538Srpaulo return(uvp->newstate(vap, nstate, arg)); 1666251538Srpaulo} 1667251538Srpaulo 1668251538Srpaulostatic void 1669251538Srpaulourtwn_watchdog(void *arg) 1670251538Srpaulo{ 1671251538Srpaulo struct urtwn_softc *sc = arg; 1672251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 1673251538Srpaulo 1674251538Srpaulo if (sc->sc_txtimer > 0) { 1675251538Srpaulo if (--sc->sc_txtimer == 0) { 1676251538Srpaulo device_printf(sc->sc_dev, "device timeout\n"); 1677271866Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1678251538Srpaulo return; 1679251538Srpaulo } 1680251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 1681251538Srpaulo } 1682251538Srpaulo} 1683251538Srpaulo 1684251538Srpaulostatic void 1685251538Srpaulourtwn_update_avgrssi(struct urtwn_softc *sc, int rate, int8_t rssi) 1686251538Srpaulo{ 1687251538Srpaulo int pwdb; 1688251538Srpaulo 1689251538Srpaulo /* Convert antenna signal to percentage. */ 1690251538Srpaulo if (rssi <= -100 || rssi >= 20) 1691251538Srpaulo pwdb = 0; 1692251538Srpaulo else if (rssi >= 0) 1693251538Srpaulo pwdb = 100; 1694251538Srpaulo else 1695251538Srpaulo pwdb = 100 + rssi; 1696264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 1697264912Skevlo if (rate <= 3) { 1698264912Skevlo /* CCK gain is smaller than OFDM/MCS gain. */ 1699264912Skevlo pwdb += 6; 1700264912Skevlo if (pwdb > 100) 1701264912Skevlo pwdb = 100; 1702264912Skevlo if (pwdb <= 14) 1703264912Skevlo pwdb -= 4; 1704264912Skevlo else if (pwdb <= 26) 1705264912Skevlo pwdb -= 8; 1706264912Skevlo else if (pwdb <= 34) 1707264912Skevlo pwdb -= 6; 1708264912Skevlo else if (pwdb <= 42) 1709264912Skevlo pwdb -= 2; 1710264912Skevlo } 1711251538Srpaulo } 1712251538Srpaulo if (sc->avg_pwdb == -1) /* Init. */ 1713251538Srpaulo sc->avg_pwdb = pwdb; 1714251538Srpaulo else if (sc->avg_pwdb < pwdb) 1715251538Srpaulo sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20) + 1; 1716251538Srpaulo else 1717251538Srpaulo sc->avg_pwdb = ((sc->avg_pwdb * 19 + pwdb) / 20); 1718251538Srpaulo DPRINTFN(4, "PWDB=%d EMA=%d\n", pwdb, sc->avg_pwdb); 1719251538Srpaulo} 1720251538Srpaulo 1721251538Srpaulostatic int8_t 1722251538Srpaulourtwn_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 1723251538Srpaulo{ 1724251538Srpaulo static const int8_t cckoff[] = { 16, -12, -26, -46 }; 1725251538Srpaulo struct r92c_rx_phystat *phy; 1726251538Srpaulo struct r92c_rx_cck *cck; 1727251538Srpaulo uint8_t rpt; 1728251538Srpaulo int8_t rssi; 1729251538Srpaulo 1730251538Srpaulo if (rate <= 3) { 1731251538Srpaulo cck = (struct r92c_rx_cck *)physt; 1732251538Srpaulo if (sc->sc_flags & URTWN_FLAG_CCK_HIPWR) { 1733251538Srpaulo rpt = (cck->agc_rpt >> 5) & 0x3; 1734251538Srpaulo rssi = (cck->agc_rpt & 0x1f) << 1; 1735251538Srpaulo } else { 1736251538Srpaulo rpt = (cck->agc_rpt >> 6) & 0x3; 1737251538Srpaulo rssi = cck->agc_rpt & 0x3e; 1738251538Srpaulo } 1739251538Srpaulo rssi = cckoff[rpt] - rssi; 1740251538Srpaulo } else { /* OFDM/HT. */ 1741251538Srpaulo phy = (struct r92c_rx_phystat *)physt; 1742251538Srpaulo rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 1743251538Srpaulo } 1744251538Srpaulo return (rssi); 1745251538Srpaulo} 1746251538Srpaulo 1747264912Skevlostatic int8_t 1748264912Skevlourtwn_r88e_get_rssi(struct urtwn_softc *sc, int rate, void *physt) 1749264912Skevlo{ 1750264912Skevlo struct r92c_rx_phystat *phy; 1751264912Skevlo struct r88e_rx_cck *cck; 1752264912Skevlo uint8_t cck_agc_rpt, lna_idx, vga_idx; 1753264912Skevlo int8_t rssi; 1754264912Skevlo 1755264972Skevlo rssi = 0; 1756264912Skevlo if (rate <= 3) { 1757264912Skevlo cck = (struct r88e_rx_cck *)physt; 1758264912Skevlo cck_agc_rpt = cck->agc_rpt; 1759264912Skevlo lna_idx = (cck_agc_rpt & 0xe0) >> 5; 1760281069Srpaulo vga_idx = cck_agc_rpt & 0x1f; 1761264912Skevlo switch (lna_idx) { 1762264912Skevlo case 7: 1763264912Skevlo if (vga_idx <= 27) 1764264912Skevlo rssi = -100 + 2* (27 - vga_idx); 1765264912Skevlo else 1766264912Skevlo rssi = -100; 1767264912Skevlo break; 1768264912Skevlo case 6: 1769264912Skevlo rssi = -48 + 2 * (2 - vga_idx); 1770264912Skevlo break; 1771264912Skevlo case 5: 1772264912Skevlo rssi = -42 + 2 * (7 - vga_idx); 1773264912Skevlo break; 1774264912Skevlo case 4: 1775264912Skevlo rssi = -36 + 2 * (7 - vga_idx); 1776264912Skevlo break; 1777264912Skevlo case 3: 1778264912Skevlo rssi = -24 + 2 * (7 - vga_idx); 1779264912Skevlo break; 1780264912Skevlo case 2: 1781264912Skevlo rssi = -12 + 2 * (5 - vga_idx); 1782264912Skevlo break; 1783264912Skevlo case 1: 1784264912Skevlo rssi = 8 - (2 * vga_idx); 1785264912Skevlo break; 1786264912Skevlo case 0: 1787264912Skevlo rssi = 14 - (2 * vga_idx); 1788264912Skevlo break; 1789264912Skevlo } 1790264912Skevlo rssi += 6; 1791264912Skevlo } else { /* OFDM/HT. */ 1792264912Skevlo phy = (struct r92c_rx_phystat *)physt; 1793264912Skevlo rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 110; 1794264912Skevlo } 1795264912Skevlo return (rssi); 1796264912Skevlo} 1797264912Skevlo 1798264912Skevlo 1799251538Srpaulostatic int 1800281069Srpaulourtwn_tx_start(struct urtwn_softc *sc, struct ieee80211_node *ni, 1801251538Srpaulo struct mbuf *m0, struct urtwn_data *data) 1802251538Srpaulo{ 1803251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 1804251538Srpaulo struct ieee80211_frame *wh; 1805251538Srpaulo struct ieee80211_key *k; 1806251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1807251538Srpaulo struct ieee80211vap *vap = ni->ni_vap; 1808251538Srpaulo struct usb_xfer *xfer; 1809251538Srpaulo struct r92c_tx_desc *txd; 1810251538Srpaulo uint8_t raid, type; 1811251538Srpaulo uint16_t sum; 1812251538Srpaulo int i, hasqos, xferlen; 1813251538Srpaulo struct usb_xfer *urtwn_pipes[4] = { 1814251538Srpaulo sc->sc_xfer[URTWN_BULK_TX_BE], 1815251538Srpaulo sc->sc_xfer[URTWN_BULK_TX_BK], 1816251538Srpaulo sc->sc_xfer[URTWN_BULK_TX_VI], 1817251538Srpaulo sc->sc_xfer[URTWN_BULK_TX_VO] 1818251538Srpaulo }; 1819251538Srpaulo 1820251538Srpaulo URTWN_ASSERT_LOCKED(sc); 1821251538Srpaulo 1822251538Srpaulo /* 1823251538Srpaulo * Software crypto. 1824251538Srpaulo */ 1825251538Srpaulo wh = mtod(m0, struct ieee80211_frame *); 1826264912Skevlo type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1827264912Skevlo 1828260444Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1829251538Srpaulo k = ieee80211_crypto_encap(ni, m0); 1830251538Srpaulo if (k == NULL) { 1831251538Srpaulo device_printf(sc->sc_dev, 1832251538Srpaulo "ieee80211_crypto_encap returns NULL.\n"); 1833251538Srpaulo /* XXX we don't expect the fragmented frames */ 1834251538Srpaulo m_freem(m0); 1835251538Srpaulo return (ENOBUFS); 1836251538Srpaulo } 1837251538Srpaulo 1838251538Srpaulo /* in case packet header moved, reset pointer */ 1839251538Srpaulo wh = mtod(m0, struct ieee80211_frame *); 1840251538Srpaulo } 1841281069Srpaulo 1842264912Skevlo switch (type) { 1843251538Srpaulo case IEEE80211_FC0_TYPE_CTL: 1844251538Srpaulo case IEEE80211_FC0_TYPE_MGT: 1845251538Srpaulo xfer = sc->sc_xfer[URTWN_BULK_TX_VO]; 1846251538Srpaulo break; 1847251538Srpaulo default: 1848251538Srpaulo KASSERT(M_WME_GETAC(m0) < 4, 1849251538Srpaulo ("unsupported WME pipe %d", M_WME_GETAC(m0))); 1850251538Srpaulo xfer = urtwn_pipes[M_WME_GETAC(m0)]; 1851251538Srpaulo break; 1852251538Srpaulo } 1853281069Srpaulo 1854251538Srpaulo hasqos = 0; 1855251538Srpaulo 1856251538Srpaulo /* Fill Tx descriptor. */ 1857251538Srpaulo txd = (struct r92c_tx_desc *)data->buf; 1858251538Srpaulo memset(txd, 0, sizeof(*txd)); 1859251538Srpaulo 1860251538Srpaulo txd->txdw0 |= htole32( 1861251538Srpaulo SM(R92C_TXDW0_PKTLEN, m0->m_pkthdr.len) | 1862251538Srpaulo SM(R92C_TXDW0_OFFSET, sizeof(*txd)) | 1863251538Srpaulo R92C_TXDW0_OWN | R92C_TXDW0_FSG | R92C_TXDW0_LSG); 1864251538Srpaulo if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 1865251538Srpaulo txd->txdw0 |= htole32(R92C_TXDW0_BMCAST); 1866251538Srpaulo if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 1867251538Srpaulo type == IEEE80211_FC0_TYPE_DATA) { 1868251538Srpaulo if (ic->ic_curmode == IEEE80211_MODE_11B) 1869251538Srpaulo raid = R92C_RAID_11B; 1870251538Srpaulo else 1871251538Srpaulo raid = R92C_RAID_11BG; 1872264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 1873264912Skevlo txd->txdw1 |= htole32( 1874264912Skevlo SM(R88E_TXDW1_MACID, URTWN_MACID_BSS) | 1875264912Skevlo SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BE) | 1876264912Skevlo SM(R92C_TXDW1_RAID, raid)); 1877264912Skevlo txd->txdw2 |= htole32(R88E_TXDW2_AGGBK); 1878264912Skevlo } else { 1879264912Skevlo txd->txdw1 |= htole32( 1880264912Skevlo SM(R92C_TXDW1_MACID, URTWN_MACID_BSS) | 1881264912Skevlo SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_BE) | 1882264912Skevlo SM(R92C_TXDW1_RAID, raid) | R92C_TXDW1_AGGBK); 1883264912Skevlo } 1884251538Srpaulo if (ic->ic_flags & IEEE80211_F_USEPROT) { 1885251538Srpaulo if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 1886251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_CTS2SELF | 1887251538Srpaulo R92C_TXDW4_HWRTSEN); 1888251538Srpaulo } else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) { 1889251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_RTSEN | 1890251538Srpaulo R92C_TXDW4_HWRTSEN); 1891251538Srpaulo } 1892251538Srpaulo } 1893251538Srpaulo /* Send RTS at OFDM24. */ 1894251538Srpaulo txd->txdw4 |= htole32(SM(R92C_TXDW4_RTSRATE, 8)); 1895251538Srpaulo txd->txdw5 |= htole32(0x0001ff00); 1896251538Srpaulo /* Send data at OFDM54. */ 1897282623Skevlo txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 11)); 1898251538Srpaulo } else { 1899251538Srpaulo txd->txdw1 |= htole32( 1900251538Srpaulo SM(R92C_TXDW1_MACID, 0) | 1901251538Srpaulo SM(R92C_TXDW1_QSEL, R92C_TXDW1_QSEL_MGNT) | 1902251538Srpaulo SM(R92C_TXDW1_RAID, R92C_RAID_11B)); 1903251538Srpaulo 1904251538Srpaulo /* Force CCK1. */ 1905251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_DRVRATE); 1906251538Srpaulo txd->txdw5 |= htole32(SM(R92C_TXDW5_DATARATE, 0)); 1907251538Srpaulo } 1908251538Srpaulo /* Set sequence number (already little endian). */ 1909251538Srpaulo txd->txdseq |= *(uint16_t *)wh->i_seq; 1910251538Srpaulo 1911251538Srpaulo if (!hasqos) { 1912251538Srpaulo /* Use HW sequence numbering for non-QoS frames. */ 1913251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_HWSEQ); 1914251538Srpaulo txd->txdseq |= htole16(0x8000); 1915251538Srpaulo } else 1916251538Srpaulo txd->txdw4 |= htole32(R92C_TXDW4_QOS); 1917251538Srpaulo 1918251538Srpaulo /* Compute Tx descriptor checksum. */ 1919251538Srpaulo sum = 0; 1920251538Srpaulo for (i = 0; i < sizeof(*txd) / 2; i++) 1921251538Srpaulo sum ^= ((uint16_t *)txd)[i]; 1922251538Srpaulo txd->txdsum = sum; /* NB: already little endian. */ 1923251538Srpaulo 1924251538Srpaulo if (ieee80211_radiotap_active_vap(vap)) { 1925251538Srpaulo struct urtwn_tx_radiotap_header *tap = &sc->sc_txtap; 1926251538Srpaulo 1927251538Srpaulo tap->wt_flags = 0; 1928251538Srpaulo tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1929251538Srpaulo tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1930251538Srpaulo ieee80211_radiotap_tx(vap, m0); 1931251538Srpaulo } 1932251538Srpaulo 1933251538Srpaulo xferlen = sizeof(*txd) + m0->m_pkthdr.len; 1934251538Srpaulo m_copydata(m0, 0, m0->m_pkthdr.len, (caddr_t)&txd[1]); 1935251538Srpaulo 1936251538Srpaulo data->buflen = xferlen; 1937251538Srpaulo data->ni = ni; 1938251538Srpaulo data->m = m0; 1939251538Srpaulo 1940251538Srpaulo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1941251538Srpaulo usbd_transfer_start(xfer); 1942251538Srpaulo return (0); 1943251538Srpaulo} 1944251538Srpaulo 1945251538Srpaulostatic void 1946251538Srpaulourtwn_start(struct ifnet *ifp) 1947251538Srpaulo{ 1948251538Srpaulo struct urtwn_softc *sc = ifp->if_softc; 1949261863Srpaulo 1950261863Srpaulo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1951261863Srpaulo return; 1952261863Srpaulo URTWN_LOCK(sc); 1953261863Srpaulo urtwn_start_locked(ifp, sc); 1954261863Srpaulo URTWN_UNLOCK(sc); 1955261863Srpaulo} 1956261863Srpaulo 1957261863Srpaulostatic void 1958261863Srpaulourtwn_start_locked(struct ifnet *ifp, struct urtwn_softc *sc) 1959261863Srpaulo{ 1960251538Srpaulo struct ieee80211_node *ni; 1961251538Srpaulo struct mbuf *m; 1962251538Srpaulo struct urtwn_data *bf; 1963251538Srpaulo 1964261863Srpaulo URTWN_ASSERT_LOCKED(sc); 1965251538Srpaulo for (;;) { 1966251538Srpaulo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1967251538Srpaulo if (m == NULL) 1968251538Srpaulo break; 1969251538Srpaulo bf = urtwn_getbuf(sc); 1970251538Srpaulo if (bf == NULL) { 1971251538Srpaulo IFQ_DRV_PREPEND(&ifp->if_snd, m); 1972251538Srpaulo break; 1973251538Srpaulo } 1974251538Srpaulo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 1975251538Srpaulo m->m_pkthdr.rcvif = NULL; 1976251538Srpaulo 1977251538Srpaulo if (urtwn_tx_start(sc, ni, m, bf) != 0) { 1978271866Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1979251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 1980251538Srpaulo ieee80211_free_node(ni); 1981251538Srpaulo break; 1982251538Srpaulo } 1983251538Srpaulo 1984251538Srpaulo sc->sc_txtimer = 5; 1985251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 1986251538Srpaulo } 1987251538Srpaulo} 1988251538Srpaulo 1989251538Srpaulostatic int 1990251538Srpaulourtwn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1991251538Srpaulo{ 1992263153Skevlo struct urtwn_softc *sc = ifp->if_softc; 1993251538Srpaulo struct ieee80211com *ic = ifp->if_l2com; 1994251538Srpaulo struct ifreq *ifr = (struct ifreq *) data; 1995251538Srpaulo int error = 0, startall = 0; 1996251538Srpaulo 1997263153Skevlo URTWN_LOCK(sc); 1998263153Skevlo error = (sc->sc_flags & URTWN_DETACHED) ? ENXIO : 0; 1999263153Skevlo URTWN_UNLOCK(sc); 2000263153Skevlo if (error != 0) 2001263153Skevlo return (error); 2002263153Skevlo 2003251538Srpaulo switch (cmd) { 2004251538Srpaulo case SIOCSIFFLAGS: 2005251538Srpaulo if (ifp->if_flags & IFF_UP) { 2006251538Srpaulo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2007251538Srpaulo urtwn_init(ifp->if_softc); 2008251538Srpaulo startall = 1; 2009251538Srpaulo } 2010251538Srpaulo } else { 2011251538Srpaulo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2012263153Skevlo urtwn_stop(ifp); 2013251538Srpaulo } 2014251538Srpaulo if (startall) 2015251538Srpaulo ieee80211_start_all(ic); 2016251538Srpaulo break; 2017251538Srpaulo case SIOCGIFMEDIA: 2018251538Srpaulo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2019251538Srpaulo break; 2020251538Srpaulo case SIOCGIFADDR: 2021251538Srpaulo error = ether_ioctl(ifp, cmd, data); 2022251538Srpaulo break; 2023251538Srpaulo default: 2024251538Srpaulo error = EINVAL; 2025251538Srpaulo break; 2026251538Srpaulo } 2027251538Srpaulo return (error); 2028251538Srpaulo} 2029251538Srpaulo 2030251538Srpaulostatic int 2031251538Srpaulourtwn_alloc_list(struct urtwn_softc *sc, struct urtwn_data data[], 2032251538Srpaulo int ndata, int maxsz) 2033251538Srpaulo{ 2034251538Srpaulo int i, error; 2035251538Srpaulo 2036251538Srpaulo for (i = 0; i < ndata; i++) { 2037251538Srpaulo struct urtwn_data *dp = &data[i]; 2038251538Srpaulo dp->sc = sc; 2039251538Srpaulo dp->m = NULL; 2040251538Srpaulo dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT); 2041251538Srpaulo if (dp->buf == NULL) { 2042251538Srpaulo device_printf(sc->sc_dev, 2043251538Srpaulo "could not allocate buffer\n"); 2044251538Srpaulo error = ENOMEM; 2045251538Srpaulo goto fail; 2046251538Srpaulo } 2047251538Srpaulo dp->ni = NULL; 2048251538Srpaulo } 2049251538Srpaulo 2050251538Srpaulo return (0); 2051251538Srpaulofail: 2052251538Srpaulo urtwn_free_list(sc, data, ndata); 2053251538Srpaulo return (error); 2054251538Srpaulo} 2055251538Srpaulo 2056251538Srpaulostatic int 2057251538Srpaulourtwn_alloc_rx_list(struct urtwn_softc *sc) 2058251538Srpaulo{ 2059251538Srpaulo int error, i; 2060251538Srpaulo 2061251538Srpaulo error = urtwn_alloc_list(sc, sc->sc_rx, URTWN_RX_LIST_COUNT, 2062251538Srpaulo URTWN_RXBUFSZ); 2063251538Srpaulo if (error != 0) 2064251538Srpaulo return (error); 2065251538Srpaulo 2066251538Srpaulo STAILQ_INIT(&sc->sc_rx_active); 2067251538Srpaulo STAILQ_INIT(&sc->sc_rx_inactive); 2068251538Srpaulo 2069251538Srpaulo for (i = 0; i < URTWN_RX_LIST_COUNT; i++) 2070251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next); 2071251538Srpaulo 2072251538Srpaulo return (0); 2073251538Srpaulo} 2074251538Srpaulo 2075251538Srpaulostatic int 2076251538Srpaulourtwn_alloc_tx_list(struct urtwn_softc *sc) 2077251538Srpaulo{ 2078251538Srpaulo int error, i; 2079251538Srpaulo 2080251538Srpaulo error = urtwn_alloc_list(sc, sc->sc_tx, URTWN_TX_LIST_COUNT, 2081251538Srpaulo URTWN_TXBUFSZ); 2082251538Srpaulo if (error != 0) 2083251538Srpaulo return (error); 2084251538Srpaulo 2085251538Srpaulo STAILQ_INIT(&sc->sc_tx_active); 2086251538Srpaulo STAILQ_INIT(&sc->sc_tx_inactive); 2087251538Srpaulo STAILQ_INIT(&sc->sc_tx_pending); 2088251538Srpaulo 2089251538Srpaulo for (i = 0; i < URTWN_TX_LIST_COUNT; i++) 2090251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], next); 2091251538Srpaulo 2092251538Srpaulo return (0); 2093251538Srpaulo} 2094251538Srpaulo 2095264912Skevlostatic __inline int 2096251538Srpaulourtwn_power_on(struct urtwn_softc *sc) 2097251538Srpaulo{ 2098264912Skevlo 2099264912Skevlo return sc->sc_power_on(sc); 2100264912Skevlo} 2101264912Skevlo 2102264912Skevlostatic int 2103264912Skevlourtwn_r92c_power_on(struct urtwn_softc *sc) 2104264912Skevlo{ 2105251538Srpaulo uint32_t reg; 2106251538Srpaulo int ntries; 2107251538Srpaulo 2108251538Srpaulo /* Wait for autoload done bit. */ 2109251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 2110251538Srpaulo if (urtwn_read_1(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_PFM_ALDN) 2111251538Srpaulo break; 2112266472Shselasky urtwn_ms_delay(sc); 2113251538Srpaulo } 2114251538Srpaulo if (ntries == 1000) { 2115251538Srpaulo device_printf(sc->sc_dev, 2116251538Srpaulo "timeout waiting for chip autoload\n"); 2117251538Srpaulo return (ETIMEDOUT); 2118251538Srpaulo } 2119251538Srpaulo 2120251538Srpaulo /* Unlock ISO/CLK/Power control register. */ 2121251538Srpaulo urtwn_write_1(sc, R92C_RSV_CTRL, 0); 2122251538Srpaulo /* Move SPS into PWM mode. */ 2123251538Srpaulo urtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b); 2124266472Shselasky urtwn_ms_delay(sc); 2125251538Srpaulo 2126251538Srpaulo reg = urtwn_read_1(sc, R92C_LDOV12D_CTRL); 2127251538Srpaulo if (!(reg & R92C_LDOV12D_CTRL_LDV12_EN)) { 2128251538Srpaulo urtwn_write_1(sc, R92C_LDOV12D_CTRL, 2129251538Srpaulo reg | R92C_LDOV12D_CTRL_LDV12_EN); 2130266472Shselasky urtwn_ms_delay(sc); 2131251538Srpaulo urtwn_write_1(sc, R92C_SYS_ISO_CTRL, 2132251538Srpaulo urtwn_read_1(sc, R92C_SYS_ISO_CTRL) & 2133251538Srpaulo ~R92C_SYS_ISO_CTRL_MD2PP); 2134251538Srpaulo } 2135251538Srpaulo 2136251538Srpaulo /* Auto enable WLAN. */ 2137251538Srpaulo urtwn_write_2(sc, R92C_APS_FSMCO, 2138251538Srpaulo urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 2139251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 2140262822Skevlo if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 2141262822Skevlo R92C_APS_FSMCO_APFM_ONMAC)) 2142251538Srpaulo break; 2143266472Shselasky urtwn_ms_delay(sc); 2144251538Srpaulo } 2145251538Srpaulo if (ntries == 1000) { 2146251538Srpaulo device_printf(sc->sc_dev, 2147251538Srpaulo "timeout waiting for MAC auto ON\n"); 2148251538Srpaulo return (ETIMEDOUT); 2149251538Srpaulo } 2150251538Srpaulo 2151251538Srpaulo /* Enable radio, GPIO and LED functions. */ 2152251538Srpaulo urtwn_write_2(sc, R92C_APS_FSMCO, 2153251538Srpaulo R92C_APS_FSMCO_AFSM_HSUS | 2154251538Srpaulo R92C_APS_FSMCO_PDN_EN | 2155251538Srpaulo R92C_APS_FSMCO_PFM_ALDN); 2156251538Srpaulo /* Release RF digital isolation. */ 2157251538Srpaulo urtwn_write_2(sc, R92C_SYS_ISO_CTRL, 2158251538Srpaulo urtwn_read_2(sc, R92C_SYS_ISO_CTRL) & ~R92C_SYS_ISO_CTRL_DIOR); 2159251538Srpaulo 2160251538Srpaulo /* Initialize MAC. */ 2161251538Srpaulo urtwn_write_1(sc, R92C_APSD_CTRL, 2162251538Srpaulo urtwn_read_1(sc, R92C_APSD_CTRL) & ~R92C_APSD_CTRL_OFF); 2163251538Srpaulo for (ntries = 0; ntries < 200; ntries++) { 2164251538Srpaulo if (!(urtwn_read_1(sc, R92C_APSD_CTRL) & 2165251538Srpaulo R92C_APSD_CTRL_OFF_STATUS)) 2166251538Srpaulo break; 2167266472Shselasky urtwn_ms_delay(sc); 2168251538Srpaulo } 2169251538Srpaulo if (ntries == 200) { 2170251538Srpaulo device_printf(sc->sc_dev, 2171251538Srpaulo "timeout waiting for MAC initialization\n"); 2172251538Srpaulo return (ETIMEDOUT); 2173251538Srpaulo } 2174251538Srpaulo 2175251538Srpaulo /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 2176251538Srpaulo reg = urtwn_read_2(sc, R92C_CR); 2177251538Srpaulo reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 2178251538Srpaulo R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 2179251538Srpaulo R92C_CR_SCHEDULE_EN | R92C_CR_MACTXEN | R92C_CR_MACRXEN | 2180251538Srpaulo R92C_CR_ENSEC; 2181251538Srpaulo urtwn_write_2(sc, R92C_CR, reg); 2182251538Srpaulo 2183251538Srpaulo urtwn_write_1(sc, 0xfe10, 0x19); 2184251538Srpaulo return (0); 2185251538Srpaulo} 2186251538Srpaulo 2187251538Srpaulostatic int 2188264912Skevlourtwn_r88e_power_on(struct urtwn_softc *sc) 2189264912Skevlo{ 2190264912Skevlo uint32_t reg; 2191264912Skevlo int ntries; 2192264912Skevlo 2193264912Skevlo /* Wait for power ready bit. */ 2194264912Skevlo for (ntries = 0; ntries < 5000; ntries++) { 2195281918Skevlo if (urtwn_read_4(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_SUS_HOST) 2196264912Skevlo break; 2197266472Shselasky urtwn_ms_delay(sc); 2198264912Skevlo } 2199264912Skevlo if (ntries == 5000) { 2200264912Skevlo device_printf(sc->sc_dev, 2201264912Skevlo "timeout waiting for chip power up\n"); 2202264912Skevlo return (ETIMEDOUT); 2203264912Skevlo } 2204264912Skevlo 2205264912Skevlo /* Reset BB. */ 2206264912Skevlo urtwn_write_1(sc, R92C_SYS_FUNC_EN, 2207264912Skevlo urtwn_read_1(sc, R92C_SYS_FUNC_EN) & ~(R92C_SYS_FUNC_EN_BBRSTB | 2208264912Skevlo R92C_SYS_FUNC_EN_BB_GLB_RST)); 2209264912Skevlo 2210281918Skevlo urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 2, 2211281918Skevlo urtwn_read_1(sc, R92C_AFE_XTAL_CTRL + 2) | 0x80); 2212264912Skevlo 2213264912Skevlo /* Disable HWPDN. */ 2214281918Skevlo urtwn_write_2(sc, R92C_APS_FSMCO, 2215281918Skevlo urtwn_read_2(sc, R92C_APS_FSMCO) & ~R92C_APS_FSMCO_APDM_HPDN); 2216264912Skevlo 2217264912Skevlo /* Disable WL suspend. */ 2218281918Skevlo urtwn_write_2(sc, R92C_APS_FSMCO, 2219281918Skevlo urtwn_read_2(sc, R92C_APS_FSMCO) & 2220281918Skevlo ~(R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_AFSM_PCIE)); 2221264912Skevlo 2222281918Skevlo urtwn_write_2(sc, R92C_APS_FSMCO, 2223281918Skevlo urtwn_read_2(sc, R92C_APS_FSMCO) | R92C_APS_FSMCO_APFM_ONMAC); 2224264912Skevlo for (ntries = 0; ntries < 5000; ntries++) { 2225281918Skevlo if (!(urtwn_read_2(sc, R92C_APS_FSMCO) & 2226281918Skevlo R92C_APS_FSMCO_APFM_ONMAC)) 2227264912Skevlo break; 2228266472Shselasky urtwn_ms_delay(sc); 2229264912Skevlo } 2230264912Skevlo if (ntries == 5000) 2231264912Skevlo return (ETIMEDOUT); 2232264912Skevlo 2233264912Skevlo /* Enable LDO normal mode. */ 2234281918Skevlo urtwn_write_1(sc, R92C_LPLDO_CTRL, 2235281918Skevlo urtwn_read_1(sc, R92C_LPLDO_CTRL) & ~0x10); 2236264912Skevlo 2237264912Skevlo /* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */ 2238264912Skevlo urtwn_write_2(sc, R92C_CR, 0); 2239264912Skevlo reg = urtwn_read_2(sc, R92C_CR); 2240264912Skevlo reg |= R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN | 2241264912Skevlo R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN | R92C_CR_PROTOCOL_EN | 2242264912Skevlo R92C_CR_SCHEDULE_EN | R92C_CR_ENSEC | R92C_CR_CALTMR_EN; 2243264912Skevlo urtwn_write_2(sc, R92C_CR, reg); 2244264912Skevlo 2245264912Skevlo return (0); 2246264912Skevlo} 2247264912Skevlo 2248264912Skevlostatic int 2249251538Srpaulourtwn_llt_init(struct urtwn_softc *sc) 2250251538Srpaulo{ 2251264912Skevlo int i, error, page_count, pktbuf_count; 2252251538Srpaulo 2253264912Skevlo page_count = (sc->chip & URTWN_CHIP_88E) ? 2254264912Skevlo R88E_TX_PAGE_COUNT : R92C_TX_PAGE_COUNT; 2255264912Skevlo pktbuf_count = (sc->chip & URTWN_CHIP_88E) ? 2256264912Skevlo R88E_TXPKTBUF_COUNT : R92C_TXPKTBUF_COUNT; 2257264912Skevlo 2258264912Skevlo /* Reserve pages [0; page_count]. */ 2259264912Skevlo for (i = 0; i < page_count; i++) { 2260251538Srpaulo if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 2261251538Srpaulo return (error); 2262251538Srpaulo } 2263251538Srpaulo /* NB: 0xff indicates end-of-list. */ 2264251538Srpaulo if ((error = urtwn_llt_write(sc, i, 0xff)) != 0) 2265251538Srpaulo return (error); 2266251538Srpaulo /* 2267264912Skevlo * Use pages [page_count + 1; pktbuf_count - 1] 2268251538Srpaulo * as ring buffer. 2269251538Srpaulo */ 2270264912Skevlo for (++i; i < pktbuf_count - 1; i++) { 2271251538Srpaulo if ((error = urtwn_llt_write(sc, i, i + 1)) != 0) 2272251538Srpaulo return (error); 2273251538Srpaulo } 2274251538Srpaulo /* Make the last page point to the beginning of the ring buffer. */ 2275264912Skevlo error = urtwn_llt_write(sc, i, page_count + 1); 2276251538Srpaulo return (error); 2277251538Srpaulo} 2278251538Srpaulo 2279251538Srpaulostatic void 2280251538Srpaulourtwn_fw_reset(struct urtwn_softc *sc) 2281251538Srpaulo{ 2282251538Srpaulo uint16_t reg; 2283251538Srpaulo int ntries; 2284251538Srpaulo 2285251538Srpaulo /* Tell 8051 to reset itself. */ 2286251538Srpaulo urtwn_write_1(sc, R92C_HMETFR + 3, 0x20); 2287251538Srpaulo 2288251538Srpaulo /* Wait until 8051 resets by itself. */ 2289251538Srpaulo for (ntries = 0; ntries < 100; ntries++) { 2290251538Srpaulo reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 2291251538Srpaulo if (!(reg & R92C_SYS_FUNC_EN_CPUEN)) 2292251538Srpaulo return; 2293266472Shselasky urtwn_ms_delay(sc); 2294251538Srpaulo } 2295251538Srpaulo /* Force 8051 reset. */ 2296251538Srpaulo urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN); 2297251538Srpaulo} 2298251538Srpaulo 2299264912Skevlostatic void 2300264912Skevlourtwn_r88e_fw_reset(struct urtwn_softc *sc) 2301264912Skevlo{ 2302264912Skevlo uint16_t reg; 2303264912Skevlo 2304264912Skevlo reg = urtwn_read_2(sc, R92C_SYS_FUNC_EN); 2305264912Skevlo urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN); 2306264912Skevlo urtwn_write_2(sc, R92C_SYS_FUNC_EN, reg | R92C_SYS_FUNC_EN_CPUEN); 2307264912Skevlo} 2308264912Skevlo 2309251538Srpaulostatic int 2310251538Srpaulourtwn_fw_loadpage(struct urtwn_softc *sc, int page, const uint8_t *buf, int len) 2311251538Srpaulo{ 2312251538Srpaulo uint32_t reg; 2313251538Srpaulo int off, mlen, error = 0; 2314251538Srpaulo 2315251538Srpaulo reg = urtwn_read_4(sc, R92C_MCUFWDL); 2316251538Srpaulo reg = RW(reg, R92C_MCUFWDL_PAGE, page); 2317251538Srpaulo urtwn_write_4(sc, R92C_MCUFWDL, reg); 2318251538Srpaulo 2319251538Srpaulo off = R92C_FW_START_ADDR; 2320251538Srpaulo while (len > 0) { 2321251538Srpaulo if (len > 196) 2322251538Srpaulo mlen = 196; 2323251538Srpaulo else if (len > 4) 2324251538Srpaulo mlen = 4; 2325251538Srpaulo else 2326251538Srpaulo mlen = 1; 2327251538Srpaulo /* XXX fix this deconst */ 2328281069Srpaulo error = urtwn_write_region_1(sc, off, 2329251538Srpaulo __DECONST(uint8_t *, buf), mlen); 2330251538Srpaulo if (error != 0) 2331251538Srpaulo break; 2332251538Srpaulo off += mlen; 2333251538Srpaulo buf += mlen; 2334251538Srpaulo len -= mlen; 2335251538Srpaulo } 2336251538Srpaulo return (error); 2337251538Srpaulo} 2338251538Srpaulo 2339251538Srpaulostatic int 2340251538Srpaulourtwn_load_firmware(struct urtwn_softc *sc) 2341251538Srpaulo{ 2342251538Srpaulo const struct firmware *fw; 2343251538Srpaulo const struct r92c_fw_hdr *hdr; 2344251538Srpaulo const char *imagename; 2345251538Srpaulo const u_char *ptr; 2346251538Srpaulo size_t len; 2347251538Srpaulo uint32_t reg; 2348251538Srpaulo int mlen, ntries, page, error; 2349251538Srpaulo 2350264864Skevlo URTWN_UNLOCK(sc); 2351251538Srpaulo /* Read firmware image from the filesystem. */ 2352264912Skevlo if (sc->chip & URTWN_CHIP_88E) 2353264912Skevlo imagename = "urtwn-rtl8188eufw"; 2354264912Skevlo else if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 2355264912Skevlo URTWN_CHIP_UMC_A_CUT) 2356251538Srpaulo imagename = "urtwn-rtl8192cfwU"; 2357251538Srpaulo else 2358251538Srpaulo imagename = "urtwn-rtl8192cfwT"; 2359251538Srpaulo 2360251538Srpaulo fw = firmware_get(imagename); 2361264864Skevlo URTWN_LOCK(sc); 2362251538Srpaulo if (fw == NULL) { 2363251538Srpaulo device_printf(sc->sc_dev, 2364251538Srpaulo "failed loadfirmware of file %s\n", imagename); 2365251538Srpaulo return (ENOENT); 2366251538Srpaulo } 2367251538Srpaulo 2368251538Srpaulo len = fw->datasize; 2369251538Srpaulo 2370251538Srpaulo if (len < sizeof(*hdr)) { 2371251538Srpaulo device_printf(sc->sc_dev, "firmware too short\n"); 2372251538Srpaulo error = EINVAL; 2373251538Srpaulo goto fail; 2374251538Srpaulo } 2375251538Srpaulo ptr = fw->data; 2376251538Srpaulo hdr = (const struct r92c_fw_hdr *)ptr; 2377251538Srpaulo /* Check if there is a valid FW header and skip it. */ 2378251538Srpaulo if ((le16toh(hdr->signature) >> 4) == 0x88c || 2379264912Skevlo (le16toh(hdr->signature) >> 4) == 0x88e || 2380251538Srpaulo (le16toh(hdr->signature) >> 4) == 0x92c) { 2381251538Srpaulo DPRINTF("FW V%d.%d %02d-%02d %02d:%02d\n", 2382251538Srpaulo le16toh(hdr->version), le16toh(hdr->subversion), 2383251538Srpaulo hdr->month, hdr->date, hdr->hour, hdr->minute); 2384251538Srpaulo ptr += sizeof(*hdr); 2385251538Srpaulo len -= sizeof(*hdr); 2386251538Srpaulo } 2387251538Srpaulo 2388264912Skevlo if (urtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RAM_DL_SEL) { 2389264912Skevlo if (sc->chip & URTWN_CHIP_88E) 2390264912Skevlo urtwn_r88e_fw_reset(sc); 2391264912Skevlo else 2392264912Skevlo urtwn_fw_reset(sc); 2393251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 0); 2394251538Srpaulo } 2395264912Skevlo 2396268487Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 2397268487Skevlo urtwn_write_2(sc, R92C_SYS_FUNC_EN, 2398268487Skevlo urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 2399268487Skevlo R92C_SYS_FUNC_EN_CPUEN); 2400268487Skevlo } 2401251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 2402251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_EN); 2403251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL + 2, 2404251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL + 2) & ~0x08); 2405251538Srpaulo 2406263154Skevlo /* Reset the FWDL checksum. */ 2407263154Skevlo urtwn_write_1(sc, R92C_MCUFWDL, 2408263154Skevlo urtwn_read_1(sc, R92C_MCUFWDL) | R92C_MCUFWDL_CHKSUM_RPT); 2409263154Skevlo 2410251538Srpaulo for (page = 0; len > 0; page++) { 2411251538Srpaulo mlen = min(len, R92C_FW_PAGE_SIZE); 2412251538Srpaulo error = urtwn_fw_loadpage(sc, page, ptr, mlen); 2413251538Srpaulo if (error != 0) { 2414251538Srpaulo device_printf(sc->sc_dev, 2415251538Srpaulo "could not load firmware page\n"); 2416251538Srpaulo goto fail; 2417251538Srpaulo } 2418251538Srpaulo ptr += mlen; 2419251538Srpaulo len -= mlen; 2420251538Srpaulo } 2421251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL, 2422251538Srpaulo urtwn_read_1(sc, R92C_MCUFWDL) & ~R92C_MCUFWDL_EN); 2423251538Srpaulo urtwn_write_1(sc, R92C_MCUFWDL + 1, 0); 2424251538Srpaulo 2425251538Srpaulo /* Wait for checksum report. */ 2426251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 2427251538Srpaulo if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_CHKSUM_RPT) 2428251538Srpaulo break; 2429266472Shselasky urtwn_ms_delay(sc); 2430251538Srpaulo } 2431251538Srpaulo if (ntries == 1000) { 2432251538Srpaulo device_printf(sc->sc_dev, 2433251538Srpaulo "timeout waiting for checksum report\n"); 2434251538Srpaulo error = ETIMEDOUT; 2435251538Srpaulo goto fail; 2436251538Srpaulo } 2437251538Srpaulo 2438251538Srpaulo reg = urtwn_read_4(sc, R92C_MCUFWDL); 2439251538Srpaulo reg = (reg & ~R92C_MCUFWDL_WINTINI_RDY) | R92C_MCUFWDL_RDY; 2440251538Srpaulo urtwn_write_4(sc, R92C_MCUFWDL, reg); 2441264912Skevlo if (sc->chip & URTWN_CHIP_88E) 2442264912Skevlo urtwn_r88e_fw_reset(sc); 2443251538Srpaulo /* Wait for firmware readiness. */ 2444251538Srpaulo for (ntries = 0; ntries < 1000; ntries++) { 2445251538Srpaulo if (urtwn_read_4(sc, R92C_MCUFWDL) & R92C_MCUFWDL_WINTINI_RDY) 2446251538Srpaulo break; 2447266472Shselasky urtwn_ms_delay(sc); 2448251538Srpaulo } 2449251538Srpaulo if (ntries == 1000) { 2450251538Srpaulo device_printf(sc->sc_dev, 2451251538Srpaulo "timeout waiting for firmware readiness\n"); 2452251538Srpaulo error = ETIMEDOUT; 2453251538Srpaulo goto fail; 2454251538Srpaulo } 2455251538Srpaulofail: 2456251538Srpaulo firmware_put(fw, FIRMWARE_UNLOAD); 2457251538Srpaulo return (error); 2458251538Srpaulo} 2459251538Srpaulo 2460264912Skevlostatic __inline int 2461251538Srpaulourtwn_dma_init(struct urtwn_softc *sc) 2462251538Srpaulo{ 2463281069Srpaulo 2464264912Skevlo return sc->sc_dma_init(sc); 2465264912Skevlo} 2466264912Skevlo 2467264912Skevlostatic int 2468264912Skevlourtwn_r92c_dma_init(struct urtwn_softc *sc) 2469264912Skevlo{ 2470251538Srpaulo int hashq, hasnq, haslq, nqueues, nqpages, nrempages; 2471251538Srpaulo uint32_t reg; 2472251538Srpaulo int error; 2473251538Srpaulo 2474251538Srpaulo /* Initialize LLT table. */ 2475251538Srpaulo error = urtwn_llt_init(sc); 2476251538Srpaulo if (error != 0) 2477251538Srpaulo return (error); 2478251538Srpaulo 2479251538Srpaulo /* Get Tx queues to USB endpoints mapping. */ 2480251538Srpaulo hashq = hasnq = haslq = 0; 2481251538Srpaulo reg = urtwn_read_2(sc, R92C_USB_EP + 1); 2482251538Srpaulo DPRINTFN(2, "USB endpoints mapping 0x%x\n", reg); 2483251538Srpaulo if (MS(reg, R92C_USB_EP_HQ) != 0) 2484251538Srpaulo hashq = 1; 2485251538Srpaulo if (MS(reg, R92C_USB_EP_NQ) != 0) 2486251538Srpaulo hasnq = 1; 2487251538Srpaulo if (MS(reg, R92C_USB_EP_LQ) != 0) 2488251538Srpaulo haslq = 1; 2489251538Srpaulo nqueues = hashq + hasnq + haslq; 2490251538Srpaulo if (nqueues == 0) 2491251538Srpaulo return (EIO); 2492251538Srpaulo /* Get the number of pages for each queue. */ 2493251538Srpaulo nqpages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) / nqueues; 2494251538Srpaulo /* The remaining pages are assigned to the high priority queue. */ 2495251538Srpaulo nrempages = (R92C_TX_PAGE_COUNT - R92C_PUBQ_NPAGES) % nqueues; 2496251538Srpaulo 2497251538Srpaulo /* Set number of pages for normal priority queue. */ 2498251538Srpaulo urtwn_write_1(sc, R92C_RQPN_NPQ, hasnq ? nqpages : 0); 2499251538Srpaulo urtwn_write_4(sc, R92C_RQPN, 2500251538Srpaulo /* Set number of pages for public queue. */ 2501251538Srpaulo SM(R92C_RQPN_PUBQ, R92C_PUBQ_NPAGES) | 2502251538Srpaulo /* Set number of pages for high priority queue. */ 2503251538Srpaulo SM(R92C_RQPN_HPQ, hashq ? nqpages + nrempages : 0) | 2504251538Srpaulo /* Set number of pages for low priority queue. */ 2505251538Srpaulo SM(R92C_RQPN_LPQ, haslq ? nqpages : 0) | 2506251538Srpaulo /* Load values. */ 2507251538Srpaulo R92C_RQPN_LD); 2508251538Srpaulo 2509251538Srpaulo urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, R92C_TX_PAGE_BOUNDARY); 2510251538Srpaulo urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, R92C_TX_PAGE_BOUNDARY); 2511251538Srpaulo urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, R92C_TX_PAGE_BOUNDARY); 2512251538Srpaulo urtwn_write_1(sc, R92C_TRXFF_BNDY, R92C_TX_PAGE_BOUNDARY); 2513251538Srpaulo urtwn_write_1(sc, R92C_TDECTRL + 1, R92C_TX_PAGE_BOUNDARY); 2514251538Srpaulo 2515251538Srpaulo /* Set queue to USB pipe mapping. */ 2516251538Srpaulo reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 2517251538Srpaulo reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 2518251538Srpaulo if (nqueues == 1) { 2519251538Srpaulo if (hashq) 2520251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_HQ; 2521251538Srpaulo else if (hasnq) 2522251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_NQ; 2523251538Srpaulo else 2524251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 2525251538Srpaulo } else if (nqueues == 2) { 2526251538Srpaulo /* All 2-endpoints configs have a high priority queue. */ 2527251538Srpaulo if (!hashq) 2528251538Srpaulo return (EIO); 2529251538Srpaulo if (hasnq) 2530251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 2531251538Srpaulo else 2532251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_HQ_LQ; 2533251538Srpaulo } else 2534251538Srpaulo reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 2535251538Srpaulo urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 2536251538Srpaulo 2537251538Srpaulo /* Set Tx/Rx transfer page boundary. */ 2538251538Srpaulo urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 0x27ff); 2539251538Srpaulo 2540251538Srpaulo /* Set Tx/Rx transfer page size. */ 2541251538Srpaulo urtwn_write_1(sc, R92C_PBP, 2542251538Srpaulo SM(R92C_PBP_PSRX, R92C_PBP_128) | 2543251538Srpaulo SM(R92C_PBP_PSTX, R92C_PBP_128)); 2544251538Srpaulo return (0); 2545251538Srpaulo} 2546251538Srpaulo 2547264912Skevlostatic int 2548264912Skevlourtwn_r88e_dma_init(struct urtwn_softc *sc) 2549264912Skevlo{ 2550264912Skevlo struct usb_interface *iface; 2551264912Skevlo uint32_t reg; 2552264912Skevlo int nqueues; 2553264912Skevlo int error; 2554264912Skevlo 2555264912Skevlo /* Initialize LLT table. */ 2556264912Skevlo error = urtwn_llt_init(sc); 2557264912Skevlo if (error != 0) 2558264912Skevlo return (error); 2559264912Skevlo 2560264912Skevlo /* Get Tx queues to USB endpoints mapping. */ 2561264912Skevlo iface = usbd_get_iface(sc->sc_udev, 0); 2562264912Skevlo nqueues = iface->idesc->bNumEndpoints - 1; 2563264912Skevlo if (nqueues == 0) 2564264912Skevlo return (EIO); 2565264912Skevlo 2566264912Skevlo /* Set number of pages for normal priority queue. */ 2567264912Skevlo urtwn_write_2(sc, R92C_RQPN_NPQ, 0x000d); 2568264912Skevlo urtwn_write_4(sc, R92C_RQPN, 0x808e000d); 2569264912Skevlo 2570264912Skevlo urtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, R88E_TX_PAGE_BOUNDARY); 2571264912Skevlo urtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, R88E_TX_PAGE_BOUNDARY); 2572264912Skevlo urtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, R88E_TX_PAGE_BOUNDARY); 2573264912Skevlo urtwn_write_1(sc, R92C_TRXFF_BNDY, R88E_TX_PAGE_BOUNDARY); 2574264912Skevlo urtwn_write_1(sc, R92C_TDECTRL + 1, R88E_TX_PAGE_BOUNDARY); 2575264912Skevlo 2576264912Skevlo /* Set queue to USB pipe mapping. */ 2577264912Skevlo reg = urtwn_read_2(sc, R92C_TRXDMA_CTRL); 2578264912Skevlo reg &= ~R92C_TRXDMA_CTRL_QMAP_M; 2579264912Skevlo if (nqueues == 1) 2580264912Skevlo reg |= R92C_TRXDMA_CTRL_QMAP_LQ; 2581264912Skevlo else if (nqueues == 2) 2582264912Skevlo reg |= R92C_TRXDMA_CTRL_QMAP_HQ_NQ; 2583264912Skevlo else 2584264912Skevlo reg |= R92C_TRXDMA_CTRL_QMAP_3EP; 2585264912Skevlo urtwn_write_2(sc, R92C_TRXDMA_CTRL, reg); 2586264912Skevlo 2587264912Skevlo /* Set Tx/Rx transfer page boundary. */ 2588264912Skevlo urtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 0x23ff); 2589264912Skevlo 2590264912Skevlo /* Set Tx/Rx transfer page size. */ 2591264912Skevlo urtwn_write_1(sc, R92C_PBP, 2592264912Skevlo SM(R92C_PBP_PSRX, R92C_PBP_128) | 2593264912Skevlo SM(R92C_PBP_PSTX, R92C_PBP_128)); 2594264912Skevlo 2595264912Skevlo return (0); 2596264912Skevlo} 2597264912Skevlo 2598251538Srpaulostatic void 2599251538Srpaulourtwn_mac_init(struct urtwn_softc *sc) 2600251538Srpaulo{ 2601251538Srpaulo int i; 2602251538Srpaulo 2603251538Srpaulo /* Write MAC initialization values. */ 2604264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 2605264912Skevlo for (i = 0; i < nitems(rtl8188eu_mac); i++) { 2606264912Skevlo urtwn_write_1(sc, rtl8188eu_mac[i].reg, 2607264912Skevlo rtl8188eu_mac[i].val); 2608264912Skevlo } 2609264912Skevlo urtwn_write_1(sc, R92C_MAX_AGGR_NUM, 0x07); 2610264912Skevlo } else { 2611264912Skevlo for (i = 0; i < nitems(rtl8192cu_mac); i++) 2612264912Skevlo urtwn_write_1(sc, rtl8192cu_mac[i].reg, 2613264912Skevlo rtl8192cu_mac[i].val); 2614264912Skevlo } 2615251538Srpaulo} 2616251538Srpaulo 2617251538Srpaulostatic void 2618251538Srpaulourtwn_bb_init(struct urtwn_softc *sc) 2619251538Srpaulo{ 2620251538Srpaulo const struct urtwn_bb_prog *prog; 2621251538Srpaulo uint32_t reg; 2622264912Skevlo uint8_t crystalcap; 2623251538Srpaulo int i; 2624251538Srpaulo 2625251538Srpaulo /* Enable BB and RF. */ 2626251538Srpaulo urtwn_write_2(sc, R92C_SYS_FUNC_EN, 2627251538Srpaulo urtwn_read_2(sc, R92C_SYS_FUNC_EN) | 2628251538Srpaulo R92C_SYS_FUNC_EN_BBRSTB | R92C_SYS_FUNC_EN_BB_GLB_RST | 2629251538Srpaulo R92C_SYS_FUNC_EN_DIO_RF); 2630251538Srpaulo 2631264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) 2632264912Skevlo urtwn_write_2(sc, R92C_AFE_PLL_CTRL, 0xdb83); 2633251538Srpaulo 2634251538Srpaulo urtwn_write_1(sc, R92C_RF_CTRL, 2635251538Srpaulo R92C_RF_CTRL_EN | R92C_RF_CTRL_RSTB | R92C_RF_CTRL_SDMRSTB); 2636251538Srpaulo urtwn_write_1(sc, R92C_SYS_FUNC_EN, 2637251538Srpaulo R92C_SYS_FUNC_EN_USBA | R92C_SYS_FUNC_EN_USBD | 2638251538Srpaulo R92C_SYS_FUNC_EN_BB_GLB_RST | R92C_SYS_FUNC_EN_BBRSTB); 2639251538Srpaulo 2640264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 2641264912Skevlo urtwn_write_1(sc, R92C_LDOHCI12_CTRL, 0x0f); 2642264912Skevlo urtwn_write_1(sc, 0x15, 0xe9); 2643264912Skevlo urtwn_write_1(sc, R92C_AFE_XTAL_CTRL + 1, 0x80); 2644264912Skevlo } 2645251538Srpaulo 2646251538Srpaulo /* Select BB programming based on board type. */ 2647264912Skevlo if (sc->chip & URTWN_CHIP_88E) 2648264912Skevlo prog = &rtl8188eu_bb_prog; 2649264912Skevlo else if (!(sc->chip & URTWN_CHIP_92C)) { 2650251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 2651251538Srpaulo prog = &rtl8188ce_bb_prog; 2652251538Srpaulo else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 2653251538Srpaulo prog = &rtl8188ru_bb_prog; 2654251538Srpaulo else 2655251538Srpaulo prog = &rtl8188cu_bb_prog; 2656251538Srpaulo } else { 2657251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 2658251538Srpaulo prog = &rtl8192ce_bb_prog; 2659251538Srpaulo else 2660251538Srpaulo prog = &rtl8192cu_bb_prog; 2661251538Srpaulo } 2662251538Srpaulo /* Write BB initialization values. */ 2663251538Srpaulo for (i = 0; i < prog->count; i++) { 2664251538Srpaulo urtwn_bb_write(sc, prog->regs[i], prog->vals[i]); 2665266472Shselasky urtwn_ms_delay(sc); 2666251538Srpaulo } 2667251538Srpaulo 2668251538Srpaulo if (sc->chip & URTWN_CHIP_92C_1T2R) { 2669251538Srpaulo /* 8192C 1T only configuration. */ 2670251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_TXINFO); 2671251538Srpaulo reg = (reg & ~0x00000003) | 0x2; 2672251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_TXINFO, reg); 2673251538Srpaulo 2674251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA1_TXINFO); 2675251538Srpaulo reg = (reg & ~0x00300033) | 0x00200022; 2676251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_TXINFO, reg); 2677251538Srpaulo 2678251538Srpaulo reg = urtwn_bb_read(sc, R92C_CCK0_AFESETTING); 2679251538Srpaulo reg = (reg & ~0xff000000) | 0x45 << 24; 2680251538Srpaulo urtwn_bb_write(sc, R92C_CCK0_AFESETTING, reg); 2681251538Srpaulo 2682251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_TRXPATHENA); 2683251538Srpaulo reg = (reg & ~0x000000ff) | 0x23; 2684251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_TRXPATHENA, reg); 2685251538Srpaulo 2686251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM0_AGCPARAM1); 2687251538Srpaulo reg = (reg & ~0x00000030) | 1 << 4; 2688251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCPARAM1, reg); 2689251538Srpaulo 2690251538Srpaulo reg = urtwn_bb_read(sc, 0xe74); 2691251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2692251538Srpaulo urtwn_bb_write(sc, 0xe74, reg); 2693251538Srpaulo reg = urtwn_bb_read(sc, 0xe78); 2694251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2695251538Srpaulo urtwn_bb_write(sc, 0xe78, reg); 2696251538Srpaulo reg = urtwn_bb_read(sc, 0xe7c); 2697251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2698251538Srpaulo urtwn_bb_write(sc, 0xe7c, reg); 2699251538Srpaulo reg = urtwn_bb_read(sc, 0xe80); 2700251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2701251538Srpaulo urtwn_bb_write(sc, 0xe80, reg); 2702251538Srpaulo reg = urtwn_bb_read(sc, 0xe88); 2703251538Srpaulo reg = (reg & ~0x0c000000) | 2 << 26; 2704251538Srpaulo urtwn_bb_write(sc, 0xe88, reg); 2705251538Srpaulo } 2706251538Srpaulo 2707251538Srpaulo /* Write AGC values. */ 2708251538Srpaulo for (i = 0; i < prog->agccount; i++) { 2709251538Srpaulo urtwn_bb_write(sc, R92C_OFDM0_AGCRSSITABLE, 2710251538Srpaulo prog->agcvals[i]); 2711266472Shselasky urtwn_ms_delay(sc); 2712251538Srpaulo } 2713251538Srpaulo 2714264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 2715264912Skevlo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553422); 2716266472Shselasky urtwn_ms_delay(sc); 2717264912Skevlo urtwn_bb_write(sc, R92C_OFDM0_AGCCORE1(0), 0x69553420); 2718266472Shselasky urtwn_ms_delay(sc); 2719264912Skevlo 2720264912Skevlo crystalcap = sc->r88e_rom[0xb9]; 2721264912Skevlo if (crystalcap == 0xff) 2722264912Skevlo crystalcap = 0x20; 2723264912Skevlo crystalcap &= 0x3f; 2724264912Skevlo reg = urtwn_bb_read(sc, R92C_AFE_XTAL_CTRL); 2725264912Skevlo urtwn_bb_write(sc, R92C_AFE_XTAL_CTRL, 2726264912Skevlo RW(reg, R92C_AFE_XTAL_CTRL_ADDR, 2727264912Skevlo crystalcap | crystalcap << 6)); 2728264912Skevlo } else { 2729264912Skevlo if (urtwn_bb_read(sc, R92C_HSSI_PARAM2(0)) & 2730264912Skevlo R92C_HSSI_PARAM2_CCK_HIPWR) 2731264912Skevlo sc->sc_flags |= URTWN_FLAG_CCK_HIPWR; 2732264912Skevlo } 2733251538Srpaulo} 2734251538Srpaulo 2735251538Srpaulovoid 2736251538Srpaulourtwn_rf_init(struct urtwn_softc *sc) 2737251538Srpaulo{ 2738251538Srpaulo const struct urtwn_rf_prog *prog; 2739251538Srpaulo uint32_t reg, type; 2740251538Srpaulo int i, j, idx, off; 2741251538Srpaulo 2742251538Srpaulo /* Select RF programming based on board type. */ 2743264912Skevlo if (sc->chip & URTWN_CHIP_88E) 2744264912Skevlo prog = rtl8188eu_rf_prog; 2745264912Skevlo else if (!(sc->chip & URTWN_CHIP_92C)) { 2746251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_MINICARD) 2747251538Srpaulo prog = rtl8188ce_rf_prog; 2748251538Srpaulo else if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 2749251538Srpaulo prog = rtl8188ru_rf_prog; 2750251538Srpaulo else 2751251538Srpaulo prog = rtl8188cu_rf_prog; 2752251538Srpaulo } else 2753251538Srpaulo prog = rtl8192ce_rf_prog; 2754251538Srpaulo 2755251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 2756251538Srpaulo /* Save RF_ENV control type. */ 2757251538Srpaulo idx = i / 2; 2758251538Srpaulo off = (i % 2) * 16; 2759251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)); 2760251538Srpaulo type = (reg >> off) & 0x10; 2761251538Srpaulo 2762251538Srpaulo /* Set RF_ENV enable. */ 2763251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 2764251538Srpaulo reg |= 0x100000; 2765251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 2766266472Shselasky urtwn_ms_delay(sc); 2767251538Srpaulo /* Set RF_ENV output high. */ 2768251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACEOE(i)); 2769251538Srpaulo reg |= 0x10; 2770251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACEOE(i), reg); 2771266472Shselasky urtwn_ms_delay(sc); 2772251538Srpaulo /* Set address and data lengths of RF registers. */ 2773251538Srpaulo reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 2774251538Srpaulo reg &= ~R92C_HSSI_PARAM2_ADDR_LENGTH; 2775251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 2776266472Shselasky urtwn_ms_delay(sc); 2777251538Srpaulo reg = urtwn_bb_read(sc, R92C_HSSI_PARAM2(i)); 2778251538Srpaulo reg &= ~R92C_HSSI_PARAM2_DATA_LENGTH; 2779251538Srpaulo urtwn_bb_write(sc, R92C_HSSI_PARAM2(i), reg); 2780266472Shselasky urtwn_ms_delay(sc); 2781251538Srpaulo 2782251538Srpaulo /* Write RF initialization values for this chain. */ 2783251538Srpaulo for (j = 0; j < prog[i].count; j++) { 2784251538Srpaulo if (prog[i].regs[j] >= 0xf9 && 2785251538Srpaulo prog[i].regs[j] <= 0xfe) { 2786251538Srpaulo /* 2787251538Srpaulo * These are fake RF registers offsets that 2788251538Srpaulo * indicate a delay is required. 2789251538Srpaulo */ 2790266472Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 20); /* 50ms */ 2791251538Srpaulo continue; 2792251538Srpaulo } 2793251538Srpaulo urtwn_rf_write(sc, i, prog[i].regs[j], 2794251538Srpaulo prog[i].vals[j]); 2795266472Shselasky urtwn_ms_delay(sc); 2796251538Srpaulo } 2797251538Srpaulo 2798251538Srpaulo /* Restore RF_ENV control type. */ 2799251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx)); 2800251538Srpaulo reg &= ~(0x10 << off) | (type << off); 2801251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(idx), reg); 2802251538Srpaulo 2803251538Srpaulo /* Cache RF register CHNLBW. */ 2804251538Srpaulo sc->rf_chnlbw[i] = urtwn_rf_read(sc, i, R92C_RF_CHNLBW); 2805251538Srpaulo } 2806251538Srpaulo 2807251538Srpaulo if ((sc->chip & (URTWN_CHIP_UMC_A_CUT | URTWN_CHIP_92C)) == 2808251538Srpaulo URTWN_CHIP_UMC_A_CUT) { 2809251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_RX_G1, 0x30255); 2810251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_RX_G2, 0x50a00); 2811251538Srpaulo } 2812251538Srpaulo} 2813251538Srpaulo 2814251538Srpaulostatic void 2815251538Srpaulourtwn_cam_init(struct urtwn_softc *sc) 2816251538Srpaulo{ 2817251538Srpaulo /* Invalidate all CAM entries. */ 2818251538Srpaulo urtwn_write_4(sc, R92C_CAMCMD, 2819251538Srpaulo R92C_CAMCMD_POLLING | R92C_CAMCMD_CLR); 2820251538Srpaulo} 2821251538Srpaulo 2822251538Srpaulostatic void 2823251538Srpaulourtwn_pa_bias_init(struct urtwn_softc *sc) 2824251538Srpaulo{ 2825251538Srpaulo uint8_t reg; 2826251538Srpaulo int i; 2827251538Srpaulo 2828251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 2829251538Srpaulo if (sc->pa_setting & (1 << i)) 2830251538Srpaulo continue; 2831251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x0f406); 2832251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x4f406); 2833251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0x8f406); 2834251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_IPA, 0xcf406); 2835251538Srpaulo } 2836251538Srpaulo if (!(sc->pa_setting & 0x10)) { 2837251538Srpaulo reg = urtwn_read_1(sc, 0x16); 2838251538Srpaulo reg = (reg & ~0xf0) | 0x90; 2839251538Srpaulo urtwn_write_1(sc, 0x16, reg); 2840251538Srpaulo } 2841251538Srpaulo} 2842251538Srpaulo 2843251538Srpaulostatic void 2844251538Srpaulourtwn_rxfilter_init(struct urtwn_softc *sc) 2845251538Srpaulo{ 2846251538Srpaulo /* Initialize Rx filter. */ 2847251538Srpaulo /* TODO: use better filter for monitor mode. */ 2848251538Srpaulo urtwn_write_4(sc, R92C_RCR, 2849251538Srpaulo R92C_RCR_AAP | R92C_RCR_APM | R92C_RCR_AM | R92C_RCR_AB | 2850251538Srpaulo R92C_RCR_APP_ICV | R92C_RCR_AMF | R92C_RCR_HTC_LOC_CTRL | 2851251538Srpaulo R92C_RCR_APP_MIC | R92C_RCR_APP_PHYSTS); 2852251538Srpaulo /* Accept all multicast frames. */ 2853251538Srpaulo urtwn_write_4(sc, R92C_MAR + 0, 0xffffffff); 2854251538Srpaulo urtwn_write_4(sc, R92C_MAR + 4, 0xffffffff); 2855251538Srpaulo /* Accept all management frames. */ 2856251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP0, 0xffff); 2857251538Srpaulo /* Reject all control frames. */ 2858251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP1, 0x0000); 2859251538Srpaulo /* Accept all data frames. */ 2860251538Srpaulo urtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 2861251538Srpaulo} 2862251538Srpaulo 2863251538Srpaulostatic void 2864251538Srpaulourtwn_edca_init(struct urtwn_softc *sc) 2865251538Srpaulo{ 2866251538Srpaulo urtwn_write_2(sc, R92C_SPEC_SIFS, 0x100a); 2867251538Srpaulo urtwn_write_2(sc, R92C_MAC_SPEC_SIFS, 0x100a); 2868251538Srpaulo urtwn_write_2(sc, R92C_SIFS_CCK, 0x100a); 2869251538Srpaulo urtwn_write_2(sc, R92C_SIFS_OFDM, 0x100a); 2870251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x005ea42b); 2871251538Srpaulo urtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a44f); 2872251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005ea324); 2873251538Srpaulo urtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002fa226); 2874251538Srpaulo} 2875251538Srpaulo 2876251538Srpaulovoid 2877251538Srpaulourtwn_write_txpower(struct urtwn_softc *sc, int chain, 2878251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]) 2879251538Srpaulo{ 2880251538Srpaulo uint32_t reg; 2881251538Srpaulo 2882251538Srpaulo /* Write per-CCK rate Tx power. */ 2883251538Srpaulo if (chain == 0) { 2884251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_A_CCK1_MCS32); 2885251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK1, power[0]); 2886251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_A_CCK1_MCS32, reg); 2887251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 2888251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK2, power[1]); 2889251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK55, power[2]); 2890251538Srpaulo reg = RW(reg, R92C_TXAGC_A_CCK11, power[3]); 2891251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 2892251538Srpaulo } else { 2893251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK1_55_MCS32); 2894251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK1, power[0]); 2895251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK2, power[1]); 2896251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK55, power[2]); 2897251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK1_55_MCS32, reg); 2898251538Srpaulo reg = urtwn_bb_read(sc, R92C_TXAGC_B_CCK11_A_CCK2_11); 2899251538Srpaulo reg = RW(reg, R92C_TXAGC_B_CCK11, power[3]); 2900251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_B_CCK11_A_CCK2_11, reg); 2901251538Srpaulo } 2902251538Srpaulo /* Write per-OFDM rate Tx power. */ 2903251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_RATE18_06(chain), 2904251538Srpaulo SM(R92C_TXAGC_RATE06, power[ 4]) | 2905251538Srpaulo SM(R92C_TXAGC_RATE09, power[ 5]) | 2906251538Srpaulo SM(R92C_TXAGC_RATE12, power[ 6]) | 2907251538Srpaulo SM(R92C_TXAGC_RATE18, power[ 7])); 2908251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_RATE54_24(chain), 2909251538Srpaulo SM(R92C_TXAGC_RATE24, power[ 8]) | 2910251538Srpaulo SM(R92C_TXAGC_RATE36, power[ 9]) | 2911251538Srpaulo SM(R92C_TXAGC_RATE48, power[10]) | 2912251538Srpaulo SM(R92C_TXAGC_RATE54, power[11])); 2913251538Srpaulo /* Write per-MCS Tx power. */ 2914251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS03_MCS00(chain), 2915251538Srpaulo SM(R92C_TXAGC_MCS00, power[12]) | 2916251538Srpaulo SM(R92C_TXAGC_MCS01, power[13]) | 2917251538Srpaulo SM(R92C_TXAGC_MCS02, power[14]) | 2918251538Srpaulo SM(R92C_TXAGC_MCS03, power[15])); 2919251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS07_MCS04(chain), 2920251538Srpaulo SM(R92C_TXAGC_MCS04, power[16]) | 2921251538Srpaulo SM(R92C_TXAGC_MCS05, power[17]) | 2922251538Srpaulo SM(R92C_TXAGC_MCS06, power[18]) | 2923251538Srpaulo SM(R92C_TXAGC_MCS07, power[19])); 2924251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS11_MCS08(chain), 2925251538Srpaulo SM(R92C_TXAGC_MCS08, power[20]) | 2926261506Skevlo SM(R92C_TXAGC_MCS09, power[21]) | 2927251538Srpaulo SM(R92C_TXAGC_MCS10, power[22]) | 2928251538Srpaulo SM(R92C_TXAGC_MCS11, power[23])); 2929251538Srpaulo urtwn_bb_write(sc, R92C_TXAGC_MCS15_MCS12(chain), 2930251538Srpaulo SM(R92C_TXAGC_MCS12, power[24]) | 2931251538Srpaulo SM(R92C_TXAGC_MCS13, power[25]) | 2932251538Srpaulo SM(R92C_TXAGC_MCS14, power[26]) | 2933251538Srpaulo SM(R92C_TXAGC_MCS15, power[27])); 2934251538Srpaulo} 2935251538Srpaulo 2936251538Srpaulovoid 2937251538Srpaulourtwn_get_txpower(struct urtwn_softc *sc, int chain, 2938251538Srpaulo struct ieee80211_channel *c, struct ieee80211_channel *extc, 2939251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]) 2940251538Srpaulo{ 2941251538Srpaulo struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2942251538Srpaulo struct r92c_rom *rom = &sc->rom; 2943251538Srpaulo uint16_t cckpow, ofdmpow, htpow, diff, max; 2944251538Srpaulo const struct urtwn_txpwr *base; 2945251538Srpaulo int ridx, chan, group; 2946251538Srpaulo 2947251538Srpaulo /* Determine channel group. */ 2948251538Srpaulo chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 2949251538Srpaulo if (chan <= 3) 2950251538Srpaulo group = 0; 2951251538Srpaulo else if (chan <= 9) 2952251538Srpaulo group = 1; 2953251538Srpaulo else 2954251538Srpaulo group = 2; 2955251538Srpaulo 2956251538Srpaulo /* Get original Tx power based on board type and RF chain. */ 2957251538Srpaulo if (!(sc->chip & URTWN_CHIP_92C)) { 2958251538Srpaulo if (sc->board_type == R92C_BOARD_TYPE_HIGHPA) 2959251538Srpaulo base = &rtl8188ru_txagc[chain]; 2960251538Srpaulo else 2961251538Srpaulo base = &rtl8192cu_txagc[chain]; 2962251538Srpaulo } else 2963251538Srpaulo base = &rtl8192cu_txagc[chain]; 2964251538Srpaulo 2965251538Srpaulo memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 2966251538Srpaulo if (sc->regulatory == 0) { 2967251538Srpaulo for (ridx = 0; ridx <= 3; ridx++) 2968251538Srpaulo power[ridx] = base->pwr[0][ridx]; 2969251538Srpaulo } 2970251538Srpaulo for (ridx = 4; ridx < URTWN_RIDX_COUNT; ridx++) { 2971251538Srpaulo if (sc->regulatory == 3) { 2972251538Srpaulo power[ridx] = base->pwr[0][ridx]; 2973251538Srpaulo /* Apply vendor limits. */ 2974251538Srpaulo if (extc != NULL) 2975251538Srpaulo max = rom->ht40_max_pwr[group]; 2976251538Srpaulo else 2977251538Srpaulo max = rom->ht20_max_pwr[group]; 2978251538Srpaulo max = (max >> (chain * 4)) & 0xf; 2979251538Srpaulo if (power[ridx] > max) 2980251538Srpaulo power[ridx] = max; 2981251538Srpaulo } else if (sc->regulatory == 1) { 2982251538Srpaulo if (extc == NULL) 2983251538Srpaulo power[ridx] = base->pwr[group][ridx]; 2984251538Srpaulo } else if (sc->regulatory != 2) 2985251538Srpaulo power[ridx] = base->pwr[0][ridx]; 2986251538Srpaulo } 2987251538Srpaulo 2988251538Srpaulo /* Compute per-CCK rate Tx power. */ 2989251538Srpaulo cckpow = rom->cck_tx_pwr[chain][group]; 2990251538Srpaulo for (ridx = 0; ridx <= 3; ridx++) { 2991251538Srpaulo power[ridx] += cckpow; 2992251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 2993251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 2994251538Srpaulo } 2995251538Srpaulo 2996251538Srpaulo htpow = rom->ht40_1s_tx_pwr[chain][group]; 2997251538Srpaulo if (sc->ntxchains > 1) { 2998251538Srpaulo /* Apply reduction for 2 spatial streams. */ 2999251538Srpaulo diff = rom->ht40_2s_tx_pwr_diff[group]; 3000251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 3001251538Srpaulo htpow = (htpow > diff) ? htpow - diff : 0; 3002251538Srpaulo } 3003251538Srpaulo 3004251538Srpaulo /* Compute per-OFDM rate Tx power. */ 3005251538Srpaulo diff = rom->ofdm_tx_pwr_diff[group]; 3006251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 3007251538Srpaulo ofdmpow = htpow + diff; /* HT->OFDM correction. */ 3008251538Srpaulo for (ridx = 4; ridx <= 11; ridx++) { 3009251538Srpaulo power[ridx] += ofdmpow; 3010251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 3011251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 3012251538Srpaulo } 3013251538Srpaulo 3014251538Srpaulo /* Compute per-MCS Tx power. */ 3015251538Srpaulo if (extc == NULL) { 3016251538Srpaulo diff = rom->ht20_tx_pwr_diff[group]; 3017251538Srpaulo diff = (diff >> (chain * 4)) & 0xf; 3018251538Srpaulo htpow += diff; /* HT40->HT20 correction. */ 3019251538Srpaulo } 3020251538Srpaulo for (ridx = 12; ridx <= 27; ridx++) { 3021251538Srpaulo power[ridx] += htpow; 3022251538Srpaulo if (power[ridx] > R92C_MAX_TX_PWR) 3023251538Srpaulo power[ridx] = R92C_MAX_TX_PWR; 3024251538Srpaulo } 3025251538Srpaulo#ifdef URTWN_DEBUG 3026251538Srpaulo if (urtwn_debug >= 4) { 3027251538Srpaulo /* Dump per-rate Tx power values. */ 3028251538Srpaulo printf("Tx power for chain %d:\n", chain); 3029251538Srpaulo for (ridx = 0; ridx < URTWN_RIDX_COUNT; ridx++) 3030251538Srpaulo printf("Rate %d = %u\n", ridx, power[ridx]); 3031251538Srpaulo } 3032251538Srpaulo#endif 3033251538Srpaulo} 3034251538Srpaulo 3035251538Srpaulovoid 3036264912Skevlourtwn_r88e_get_txpower(struct urtwn_softc *sc, int chain, 3037264912Skevlo struct ieee80211_channel *c, struct ieee80211_channel *extc, 3038264912Skevlo uint16_t power[URTWN_RIDX_COUNT]) 3039264912Skevlo{ 3040264912Skevlo struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3041264912Skevlo uint16_t cckpow, ofdmpow, bw20pow, htpow; 3042264912Skevlo const struct urtwn_r88e_txpwr *base; 3043264912Skevlo int ridx, chan, group; 3044264912Skevlo 3045264912Skevlo /* Determine channel group. */ 3046264912Skevlo chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 3047264912Skevlo if (chan <= 2) 3048264912Skevlo group = 0; 3049264912Skevlo else if (chan <= 5) 3050264912Skevlo group = 1; 3051264912Skevlo else if (chan <= 8) 3052264912Skevlo group = 2; 3053264912Skevlo else if (chan <= 11) 3054264912Skevlo group = 3; 3055264912Skevlo else if (chan <= 13) 3056264912Skevlo group = 4; 3057264912Skevlo else 3058264912Skevlo group = 5; 3059264912Skevlo 3060264912Skevlo /* Get original Tx power based on board type and RF chain. */ 3061264912Skevlo base = &rtl8188eu_txagc[chain]; 3062264912Skevlo 3063264912Skevlo memset(power, 0, URTWN_RIDX_COUNT * sizeof(power[0])); 3064264912Skevlo if (sc->regulatory == 0) { 3065264912Skevlo for (ridx = 0; ridx <= 3; ridx++) 3066264912Skevlo power[ridx] = base->pwr[0][ridx]; 3067264912Skevlo } 3068264912Skevlo for (ridx = 4; ridx < URTWN_RIDX_COUNT; ridx++) { 3069264912Skevlo if (sc->regulatory == 3) 3070264912Skevlo power[ridx] = base->pwr[0][ridx]; 3071264912Skevlo else if (sc->regulatory == 1) { 3072264912Skevlo if (extc == NULL) 3073264912Skevlo power[ridx] = base->pwr[group][ridx]; 3074264912Skevlo } else if (sc->regulatory != 2) 3075264912Skevlo power[ridx] = base->pwr[0][ridx]; 3076264912Skevlo } 3077264912Skevlo 3078264912Skevlo /* Compute per-CCK rate Tx power. */ 3079264912Skevlo cckpow = sc->cck_tx_pwr[group]; 3080264912Skevlo for (ridx = 0; ridx <= 3; ridx++) { 3081264912Skevlo power[ridx] += cckpow; 3082264912Skevlo if (power[ridx] > R92C_MAX_TX_PWR) 3083264912Skevlo power[ridx] = R92C_MAX_TX_PWR; 3084264912Skevlo } 3085264912Skevlo 3086264912Skevlo htpow = sc->ht40_tx_pwr[group]; 3087264912Skevlo 3088264912Skevlo /* Compute per-OFDM rate Tx power. */ 3089264912Skevlo ofdmpow = htpow + sc->ofdm_tx_pwr_diff; 3090264912Skevlo for (ridx = 4; ridx <= 11; ridx++) { 3091264912Skevlo power[ridx] += ofdmpow; 3092264912Skevlo if (power[ridx] > R92C_MAX_TX_PWR) 3093264912Skevlo power[ridx] = R92C_MAX_TX_PWR; 3094264912Skevlo } 3095264912Skevlo 3096264912Skevlo bw20pow = htpow + sc->bw20_tx_pwr_diff; 3097264912Skevlo for (ridx = 12; ridx <= 27; ridx++) { 3098264912Skevlo power[ridx] += bw20pow; 3099264912Skevlo if (power[ridx] > R92C_MAX_TX_PWR) 3100264912Skevlo power[ridx] = R92C_MAX_TX_PWR; 3101264912Skevlo } 3102264912Skevlo} 3103264912Skevlo 3104264912Skevlovoid 3105251538Srpaulourtwn_set_txpower(struct urtwn_softc *sc, struct ieee80211_channel *c, 3106251538Srpaulo struct ieee80211_channel *extc) 3107251538Srpaulo{ 3108251538Srpaulo uint16_t power[URTWN_RIDX_COUNT]; 3109251538Srpaulo int i; 3110251538Srpaulo 3111251538Srpaulo for (i = 0; i < sc->ntxchains; i++) { 3112251538Srpaulo /* Compute per-rate Tx power values. */ 3113264912Skevlo if (sc->chip & URTWN_CHIP_88E) 3114264912Skevlo urtwn_r88e_get_txpower(sc, i, c, extc, power); 3115264912Skevlo else 3116264912Skevlo urtwn_get_txpower(sc, i, c, extc, power); 3117251538Srpaulo /* Write per-rate Tx power values to hardware. */ 3118251538Srpaulo urtwn_write_txpower(sc, i, power); 3119251538Srpaulo } 3120251538Srpaulo} 3121251538Srpaulo 3122251538Srpaulostatic void 3123251538Srpaulourtwn_scan_start(struct ieee80211com *ic) 3124251538Srpaulo{ 3125251538Srpaulo /* XXX do nothing? */ 3126251538Srpaulo} 3127251538Srpaulo 3128251538Srpaulostatic void 3129251538Srpaulourtwn_scan_end(struct ieee80211com *ic) 3130251538Srpaulo{ 3131251538Srpaulo /* XXX do nothing? */ 3132251538Srpaulo} 3133251538Srpaulo 3134251538Srpaulostatic void 3135251538Srpaulourtwn_set_channel(struct ieee80211com *ic) 3136251538Srpaulo{ 3137251538Srpaulo struct urtwn_softc *sc = ic->ic_ifp->if_softc; 3138281070Srpaulo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3139251538Srpaulo 3140251538Srpaulo URTWN_LOCK(sc); 3141281070Srpaulo if (vap->iv_state == IEEE80211_S_SCAN) { 3142281070Srpaulo /* Make link LED blink during scan. */ 3143281070Srpaulo urtwn_set_led(sc, URTWN_LED_LINK, !sc->ledlink); 3144281070Srpaulo } 3145251538Srpaulo urtwn_set_chan(sc, ic->ic_curchan, NULL); 3146251538Srpaulo URTWN_UNLOCK(sc); 3147251538Srpaulo} 3148251538Srpaulo 3149251538Srpaulostatic void 3150251538Srpaulourtwn_update_mcast(struct ifnet *ifp) 3151251538Srpaulo{ 3152251538Srpaulo /* XXX do nothing? */ 3153251538Srpaulo} 3154251538Srpaulo 3155251538Srpaulostatic void 3156251538Srpaulourtwn_set_chan(struct urtwn_softc *sc, struct ieee80211_channel *c, 3157251538Srpaulo struct ieee80211_channel *extc) 3158251538Srpaulo{ 3159251538Srpaulo struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3160251538Srpaulo uint32_t reg; 3161251538Srpaulo u_int chan; 3162251538Srpaulo int i; 3163251538Srpaulo 3164251538Srpaulo chan = ieee80211_chan2ieee(ic, c); /* XXX center freq! */ 3165251538Srpaulo if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 3166251538Srpaulo device_printf(sc->sc_dev, 3167251538Srpaulo "%s: invalid channel %x\n", __func__, chan); 3168251538Srpaulo return; 3169251538Srpaulo } 3170251538Srpaulo 3171251538Srpaulo /* Set Tx power for this new channel. */ 3172251538Srpaulo urtwn_set_txpower(sc, c, extc); 3173251538Srpaulo 3174251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 3175251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_CHNLBW, 3176251538Srpaulo RW(sc->rf_chnlbw[i], R92C_RF_CHNLBW_CHNL, chan)); 3177251538Srpaulo } 3178251538Srpaulo#ifndef IEEE80211_NO_HT 3179251538Srpaulo if (extc != NULL) { 3180251538Srpaulo /* Is secondary channel below or above primary? */ 3181251538Srpaulo int prichlo = c->ic_freq < extc->ic_freq; 3182251538Srpaulo 3183251538Srpaulo urtwn_write_1(sc, R92C_BWOPMODE, 3184251538Srpaulo urtwn_read_1(sc, R92C_BWOPMODE) & ~R92C_BWOPMODE_20MHZ); 3185251538Srpaulo 3186251538Srpaulo reg = urtwn_read_1(sc, R92C_RRSR + 2); 3187251538Srpaulo reg = (reg & ~0x6f) | (prichlo ? 1 : 2) << 5; 3188251538Srpaulo urtwn_write_1(sc, R92C_RRSR + 2, reg); 3189251538Srpaulo 3190251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 3191251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_RFMOD) | R92C_RFMOD_40MHZ); 3192251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 3193251538Srpaulo urtwn_bb_read(sc, R92C_FPGA1_RFMOD) | R92C_RFMOD_40MHZ); 3194251538Srpaulo 3195251538Srpaulo /* Set CCK side band. */ 3196251538Srpaulo reg = urtwn_bb_read(sc, R92C_CCK0_SYSTEM); 3197251538Srpaulo reg = (reg & ~0x00000010) | (prichlo ? 0 : 1) << 4; 3198251538Srpaulo urtwn_bb_write(sc, R92C_CCK0_SYSTEM, reg); 3199251538Srpaulo 3200251538Srpaulo reg = urtwn_bb_read(sc, R92C_OFDM1_LSTF); 3201251538Srpaulo reg = (reg & ~0x00000c00) | (prichlo ? 1 : 2) << 10; 3202251538Srpaulo urtwn_bb_write(sc, R92C_OFDM1_LSTF, reg); 3203251538Srpaulo 3204251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 3205251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) & 3206251538Srpaulo ~R92C_FPGA0_ANAPARAM2_CBW20); 3207251538Srpaulo 3208251538Srpaulo reg = urtwn_bb_read(sc, 0x818); 3209251538Srpaulo reg = (reg & ~0x0c000000) | (prichlo ? 2 : 1) << 26; 3210251538Srpaulo urtwn_bb_write(sc, 0x818, reg); 3211251538Srpaulo 3212251538Srpaulo /* Select 40MHz bandwidth. */ 3213251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 3214251538Srpaulo (sc->rf_chnlbw[0] & ~0xfff) | chan); 3215251538Srpaulo } else 3216251538Srpaulo#endif 3217251538Srpaulo { 3218251538Srpaulo urtwn_write_1(sc, R92C_BWOPMODE, 3219251538Srpaulo urtwn_read_1(sc, R92C_BWOPMODE) | R92C_BWOPMODE_20MHZ); 3220251538Srpaulo 3221251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, 3222251538Srpaulo urtwn_bb_read(sc, R92C_FPGA0_RFMOD) & ~R92C_RFMOD_40MHZ); 3223251538Srpaulo urtwn_bb_write(sc, R92C_FPGA1_RFMOD, 3224251538Srpaulo urtwn_bb_read(sc, R92C_FPGA1_RFMOD) & ~R92C_RFMOD_40MHZ); 3225251538Srpaulo 3226264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 3227264912Skevlo urtwn_bb_write(sc, R92C_FPGA0_ANAPARAM2, 3228264912Skevlo urtwn_bb_read(sc, R92C_FPGA0_ANAPARAM2) | 3229264912Skevlo R92C_FPGA0_ANAPARAM2_CBW20); 3230264912Skevlo } 3231281069Srpaulo 3232251538Srpaulo /* Select 20MHz bandwidth. */ 3233251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 3234281069Srpaulo (sc->rf_chnlbw[0] & ~0xfff) | chan | 3235264912Skevlo ((sc->chip & URTWN_CHIP_88E) ? R88E_RF_CHNLBW_BW20 : 3236264912Skevlo R92C_RF_CHNLBW_BW20)); 3237251538Srpaulo } 3238251538Srpaulo} 3239251538Srpaulo 3240251538Srpaulostatic void 3241251538Srpaulourtwn_iq_calib(struct urtwn_softc *sc) 3242251538Srpaulo{ 3243251538Srpaulo /* TODO */ 3244251538Srpaulo} 3245251538Srpaulo 3246251538Srpaulostatic void 3247251538Srpaulourtwn_lc_calib(struct urtwn_softc *sc) 3248251538Srpaulo{ 3249251538Srpaulo uint32_t rf_ac[2]; 3250251538Srpaulo uint8_t txmode; 3251251538Srpaulo int i; 3252251538Srpaulo 3253251538Srpaulo txmode = urtwn_read_1(sc, R92C_OFDM1_LSTF + 3); 3254251538Srpaulo if ((txmode & 0x70) != 0) { 3255251538Srpaulo /* Disable all continuous Tx. */ 3256251538Srpaulo urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode & ~0x70); 3257251538Srpaulo 3258251538Srpaulo /* Set RF mode to standby mode. */ 3259251538Srpaulo for (i = 0; i < sc->nrxchains; i++) { 3260251538Srpaulo rf_ac[i] = urtwn_rf_read(sc, i, R92C_RF_AC); 3261251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_AC, 3262251538Srpaulo RW(rf_ac[i], R92C_RF_AC_MODE, 3263251538Srpaulo R92C_RF_AC_MODE_STANDBY)); 3264251538Srpaulo } 3265251538Srpaulo } else { 3266251538Srpaulo /* Block all Tx queues. */ 3267251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 0xff); 3268251538Srpaulo } 3269251538Srpaulo /* Start calibration. */ 3270251538Srpaulo urtwn_rf_write(sc, 0, R92C_RF_CHNLBW, 3271251538Srpaulo urtwn_rf_read(sc, 0, R92C_RF_CHNLBW) | R92C_RF_CHNLBW_LCSTART); 3272251538Srpaulo 3273251538Srpaulo /* Give calibration the time to complete. */ 3274266472Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 10); /* 100ms */ 3275251538Srpaulo 3276251538Srpaulo /* Restore configuration. */ 3277251538Srpaulo if ((txmode & 0x70) != 0) { 3278251538Srpaulo /* Restore Tx mode. */ 3279251538Srpaulo urtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode); 3280251538Srpaulo /* Restore RF mode. */ 3281251538Srpaulo for (i = 0; i < sc->nrxchains; i++) 3282251538Srpaulo urtwn_rf_write(sc, i, R92C_RF_AC, rf_ac[i]); 3283251538Srpaulo } else { 3284251538Srpaulo /* Unblock all Tx queues. */ 3285251538Srpaulo urtwn_write_1(sc, R92C_TXPAUSE, 0x00); 3286251538Srpaulo } 3287251538Srpaulo} 3288251538Srpaulo 3289251538Srpaulostatic void 3290251538Srpaulourtwn_init_locked(void *arg) 3291251538Srpaulo{ 3292251538Srpaulo struct urtwn_softc *sc = arg; 3293251538Srpaulo struct ifnet *ifp = sc->sc_ifp; 3294251538Srpaulo uint32_t reg; 3295251538Srpaulo int error; 3296251538Srpaulo 3297264864Skevlo URTWN_ASSERT_LOCKED(sc); 3298264864Skevlo 3299251538Srpaulo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 3300263153Skevlo urtwn_stop_locked(ifp); 3301251538Srpaulo 3302251538Srpaulo /* Init firmware commands ring. */ 3303251538Srpaulo sc->fwcur = 0; 3304251538Srpaulo 3305251538Srpaulo /* Allocate Tx/Rx buffers. */ 3306251538Srpaulo error = urtwn_alloc_rx_list(sc); 3307251538Srpaulo if (error != 0) 3308251538Srpaulo goto fail; 3309281069Srpaulo 3310251538Srpaulo error = urtwn_alloc_tx_list(sc); 3311251538Srpaulo if (error != 0) 3312251538Srpaulo goto fail; 3313251538Srpaulo 3314251538Srpaulo /* Power on adapter. */ 3315251538Srpaulo error = urtwn_power_on(sc); 3316251538Srpaulo if (error != 0) 3317251538Srpaulo goto fail; 3318251538Srpaulo 3319251538Srpaulo /* Initialize DMA. */ 3320251538Srpaulo error = urtwn_dma_init(sc); 3321251538Srpaulo if (error != 0) 3322251538Srpaulo goto fail; 3323251538Srpaulo 3324251538Srpaulo /* Set info size in Rx descriptors (in 64-bit words). */ 3325251538Srpaulo urtwn_write_1(sc, R92C_RX_DRVINFO_SZ, 4); 3326251538Srpaulo 3327251538Srpaulo /* Init interrupts. */ 3328264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 3329264912Skevlo urtwn_write_4(sc, R88E_HISR, 0xffffffff); 3330264912Skevlo urtwn_write_4(sc, R88E_HIMR, R88E_HIMR_CPWM | R88E_HIMR_CPWM2 | 3331264912Skevlo R88E_HIMR_TBDER | R88E_HIMR_PSTIMEOUT); 3332264912Skevlo urtwn_write_4(sc, R88E_HIMRE, R88E_HIMRE_RXFOVW | 3333264912Skevlo R88E_HIMRE_TXFOVW | R88E_HIMRE_RXERR | R88E_HIMRE_TXERR); 3334264912Skevlo urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 3335264912Skevlo urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) | 3336264912Skevlo R92C_USB_SPECIAL_OPTION_INT_BULK_SEL); 3337264912Skevlo } else { 3338264912Skevlo urtwn_write_4(sc, R92C_HISR, 0xffffffff); 3339264912Skevlo urtwn_write_4(sc, R92C_HIMR, 0xffffffff); 3340264912Skevlo } 3341251538Srpaulo 3342251538Srpaulo /* Set MAC address. */ 3343251538Srpaulo urtwn_write_region_1(sc, R92C_MACID, IF_LLADDR(ifp), 3344251538Srpaulo IEEE80211_ADDR_LEN); 3345251538Srpaulo 3346251538Srpaulo /* Set initial network type. */ 3347251538Srpaulo reg = urtwn_read_4(sc, R92C_CR); 3348251538Srpaulo reg = RW(reg, R92C_CR_NETTYPE, R92C_CR_NETTYPE_INFRA); 3349251538Srpaulo urtwn_write_4(sc, R92C_CR, reg); 3350251538Srpaulo 3351251538Srpaulo urtwn_rxfilter_init(sc); 3352251538Srpaulo 3353282623Skevlo /* Set response rate. */ 3354251538Srpaulo reg = urtwn_read_4(sc, R92C_RRSR); 3355251538Srpaulo reg = RW(reg, R92C_RRSR_RATE_BITMAP, R92C_RRSR_RATE_CCK_ONLY_1M); 3356251538Srpaulo urtwn_write_4(sc, R92C_RRSR, reg); 3357251538Srpaulo 3358251538Srpaulo /* Set short/long retry limits. */ 3359251538Srpaulo urtwn_write_2(sc, R92C_RL, 3360251538Srpaulo SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30)); 3361251538Srpaulo 3362251538Srpaulo /* Initialize EDCA parameters. */ 3363251538Srpaulo urtwn_edca_init(sc); 3364251538Srpaulo 3365251538Srpaulo /* Setup rate fallback. */ 3366264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 3367264912Skevlo urtwn_write_4(sc, R92C_DARFRC + 0, 0x00000000); 3368264912Skevlo urtwn_write_4(sc, R92C_DARFRC + 4, 0x10080404); 3369264912Skevlo urtwn_write_4(sc, R92C_RARFRC + 0, 0x04030201); 3370264912Skevlo urtwn_write_4(sc, R92C_RARFRC + 4, 0x08070605); 3371264912Skevlo } 3372251538Srpaulo 3373251538Srpaulo urtwn_write_1(sc, R92C_FWHW_TXQ_CTRL, 3374251538Srpaulo urtwn_read_1(sc, R92C_FWHW_TXQ_CTRL) | 3375251538Srpaulo R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW); 3376251538Srpaulo /* Set ACK timeout. */ 3377251538Srpaulo urtwn_write_1(sc, R92C_ACKTO, 0x40); 3378251538Srpaulo 3379251538Srpaulo /* Setup USB aggregation. */ 3380251538Srpaulo reg = urtwn_read_4(sc, R92C_TDECTRL); 3381251538Srpaulo reg = RW(reg, R92C_TDECTRL_BLK_DESC_NUM, 6); 3382251538Srpaulo urtwn_write_4(sc, R92C_TDECTRL, reg); 3383251538Srpaulo urtwn_write_1(sc, R92C_TRXDMA_CTRL, 3384251538Srpaulo urtwn_read_1(sc, R92C_TRXDMA_CTRL) | 3385251538Srpaulo R92C_TRXDMA_CTRL_RXDMA_AGG_EN); 3386251538Srpaulo urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH, 48); 3387264912Skevlo if (sc->chip & URTWN_CHIP_88E) 3388264912Skevlo urtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH + 1, 4); 3389282266Skevlo else { 3390264912Skevlo urtwn_write_1(sc, R92C_USB_DMA_AGG_TO, 4); 3391282266Skevlo urtwn_write_1(sc, R92C_USB_SPECIAL_OPTION, 3392282266Skevlo urtwn_read_1(sc, R92C_USB_SPECIAL_OPTION) | 3393282266Skevlo R92C_USB_SPECIAL_OPTION_AGG_EN); 3394282266Skevlo urtwn_write_1(sc, R92C_USB_AGG_TH, 8); 3395282266Skevlo urtwn_write_1(sc, R92C_USB_AGG_TO, 6); 3396282266Skevlo } 3397251538Srpaulo 3398251538Srpaulo /* Initialize beacon parameters. */ 3399264912Skevlo urtwn_write_2(sc, R92C_BCN_CTRL, 0x1010); 3400251538Srpaulo urtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404); 3401251538Srpaulo urtwn_write_1(sc, R92C_DRVERLYINT, 0x05); 3402251538Srpaulo urtwn_write_1(sc, R92C_BCNDMATIM, 0x02); 3403251538Srpaulo urtwn_write_2(sc, R92C_BCNTCFG, 0x660f); 3404251538Srpaulo 3405264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 3406264912Skevlo /* Setup AMPDU aggregation. */ 3407264912Skevlo urtwn_write_4(sc, R92C_AGGLEN_LMT, 0x99997631); /* MCS7~0 */ 3408264912Skevlo urtwn_write_1(sc, R92C_AGGR_BREAK_TIME, 0x16); 3409264912Skevlo urtwn_write_2(sc, R92C_MAX_AGGR_NUM, 0x0708); 3410251538Srpaulo 3411264912Skevlo urtwn_write_1(sc, R92C_BCN_MAX_ERR, 0xff); 3412264912Skevlo } 3413251538Srpaulo 3414251538Srpaulo /* Load 8051 microcode. */ 3415251538Srpaulo error = urtwn_load_firmware(sc); 3416251538Srpaulo if (error != 0) 3417251538Srpaulo goto fail; 3418251538Srpaulo 3419251538Srpaulo /* Initialize MAC/BB/RF blocks. */ 3420251538Srpaulo urtwn_mac_init(sc); 3421251538Srpaulo urtwn_bb_init(sc); 3422251538Srpaulo urtwn_rf_init(sc); 3423251538Srpaulo 3424264912Skevlo if (sc->chip & URTWN_CHIP_88E) { 3425264912Skevlo urtwn_write_2(sc, R92C_CR, 3426264912Skevlo urtwn_read_2(sc, R92C_CR) | R92C_CR_MACTXEN | 3427264912Skevlo R92C_CR_MACRXEN); 3428264912Skevlo } 3429264912Skevlo 3430251538Srpaulo /* Turn CCK and OFDM blocks on. */ 3431251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 3432251538Srpaulo reg |= R92C_RFMOD_CCK_EN; 3433251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 3434251538Srpaulo reg = urtwn_bb_read(sc, R92C_FPGA0_RFMOD); 3435251538Srpaulo reg |= R92C_RFMOD_OFDM_EN; 3436251538Srpaulo urtwn_bb_write(sc, R92C_FPGA0_RFMOD, reg); 3437251538Srpaulo 3438251538Srpaulo /* Clear per-station keys table. */ 3439251538Srpaulo urtwn_cam_init(sc); 3440251538Srpaulo 3441251538Srpaulo /* Enable hardware sequence numbering. */ 3442251538Srpaulo urtwn_write_1(sc, R92C_HWSEQ_CTRL, 0xff); 3443251538Srpaulo 3444251538Srpaulo /* Perform LO and IQ calibrations. */ 3445251538Srpaulo urtwn_iq_calib(sc); 3446251538Srpaulo /* Perform LC calibration. */ 3447251538Srpaulo urtwn_lc_calib(sc); 3448251538Srpaulo 3449251538Srpaulo /* Fix USB interference issue. */ 3450264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) { 3451264912Skevlo urtwn_write_1(sc, 0xfe40, 0xe0); 3452264912Skevlo urtwn_write_1(sc, 0xfe41, 0x8d); 3453264912Skevlo urtwn_write_1(sc, 0xfe42, 0x80); 3454251538Srpaulo 3455264912Skevlo urtwn_pa_bias_init(sc); 3456264912Skevlo } 3457251538Srpaulo 3458251538Srpaulo /* Initialize GPIO setting. */ 3459251538Srpaulo urtwn_write_1(sc, R92C_GPIO_MUXCFG, 3460251538Srpaulo urtwn_read_1(sc, R92C_GPIO_MUXCFG) & ~R92C_GPIO_MUXCFG_ENBT); 3461251538Srpaulo 3462251538Srpaulo /* Fix for lower temperature. */ 3463264912Skevlo if (!(sc->chip & URTWN_CHIP_88E)) 3464264912Skevlo urtwn_write_1(sc, 0x15, 0xe9); 3465251538Srpaulo 3466251538Srpaulo usbd_transfer_start(sc->sc_xfer[URTWN_BULK_RX]); 3467251538Srpaulo 3468251538Srpaulo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3469251538Srpaulo ifp->if_drv_flags |= IFF_DRV_RUNNING; 3470251538Srpaulo 3471251538Srpaulo callout_reset(&sc->sc_watchdog_ch, hz, urtwn_watchdog, sc); 3472251538Srpaulofail: 3473251538Srpaulo return; 3474251538Srpaulo} 3475251538Srpaulo 3476251538Srpaulostatic void 3477251538Srpaulourtwn_init(void *arg) 3478251538Srpaulo{ 3479251538Srpaulo struct urtwn_softc *sc = arg; 3480251538Srpaulo 3481251538Srpaulo URTWN_LOCK(sc); 3482251538Srpaulo urtwn_init_locked(arg); 3483251538Srpaulo URTWN_UNLOCK(sc); 3484251538Srpaulo} 3485251538Srpaulo 3486251538Srpaulostatic void 3487263153Skevlourtwn_stop_locked(struct ifnet *ifp) 3488251538Srpaulo{ 3489251538Srpaulo struct urtwn_softc *sc = ifp->if_softc; 3490251538Srpaulo 3491264864Skevlo URTWN_ASSERT_LOCKED(sc); 3492264864Skevlo 3493251538Srpaulo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 3494251538Srpaulo 3495251538Srpaulo callout_stop(&sc->sc_watchdog_ch); 3496251538Srpaulo urtwn_abort_xfers(sc); 3497251538Srpaulo} 3498251538Srpaulo 3499251538Srpaulostatic void 3500263153Skevlourtwn_stop(struct ifnet *ifp) 3501251538Srpaulo{ 3502251538Srpaulo struct urtwn_softc *sc = ifp->if_softc; 3503251538Srpaulo 3504251538Srpaulo URTWN_LOCK(sc); 3505263153Skevlo urtwn_stop_locked(ifp); 3506251538Srpaulo URTWN_UNLOCK(sc); 3507251538Srpaulo} 3508251538Srpaulo 3509251538Srpaulostatic void 3510251538Srpaulourtwn_abort_xfers(struct urtwn_softc *sc) 3511251538Srpaulo{ 3512251538Srpaulo int i; 3513251538Srpaulo 3514251538Srpaulo URTWN_ASSERT_LOCKED(sc); 3515251538Srpaulo 3516251538Srpaulo /* abort any pending transfers */ 3517251538Srpaulo for (i = 0; i < URTWN_N_TRANSFER; i++) 3518251538Srpaulo usbd_transfer_stop(sc->sc_xfer[i]); 3519251538Srpaulo} 3520251538Srpaulo 3521251538Srpaulostatic int 3522251538Srpaulourtwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 3523251538Srpaulo const struct ieee80211_bpf_params *params) 3524251538Srpaulo{ 3525251538Srpaulo struct ieee80211com *ic = ni->ni_ic; 3526251538Srpaulo struct ifnet *ifp = ic->ic_ifp; 3527251538Srpaulo struct urtwn_softc *sc = ifp->if_softc; 3528251538Srpaulo struct urtwn_data *bf; 3529251538Srpaulo 3530251538Srpaulo /* prevent management frames from being sent if we're not ready */ 3531251538Srpaulo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 3532251538Srpaulo m_freem(m); 3533251538Srpaulo ieee80211_free_node(ni); 3534251538Srpaulo return (ENETDOWN); 3535251538Srpaulo } 3536251538Srpaulo URTWN_LOCK(sc); 3537251538Srpaulo bf = urtwn_getbuf(sc); 3538251538Srpaulo if (bf == NULL) { 3539251538Srpaulo ieee80211_free_node(ni); 3540251538Srpaulo m_freem(m); 3541251538Srpaulo URTWN_UNLOCK(sc); 3542251538Srpaulo return (ENOBUFS); 3543251538Srpaulo } 3544251538Srpaulo 3545271866Sglebius if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 3546251538Srpaulo if (urtwn_tx_start(sc, ni, m, bf) != 0) { 3547251538Srpaulo ieee80211_free_node(ni); 3548271866Sglebius if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 3549251538Srpaulo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 3550251538Srpaulo URTWN_UNLOCK(sc); 3551251538Srpaulo return (EIO); 3552251538Srpaulo } 3553251538Srpaulo URTWN_UNLOCK(sc); 3554251538Srpaulo 3555251538Srpaulo sc->sc_txtimer = 5; 3556251538Srpaulo return (0); 3557251538Srpaulo} 3558251538Srpaulo 3559266472Shselaskystatic void 3560266472Shselaskyurtwn_ms_delay(struct urtwn_softc *sc) 3561266472Shselasky{ 3562266472Shselasky usb_pause_mtx(&sc->sc_mtx, hz / 1000); 3563266472Shselasky} 3564266472Shselasky 3565251538Srpaulostatic device_method_t urtwn_methods[] = { 3566251538Srpaulo /* Device interface */ 3567251538Srpaulo DEVMETHOD(device_probe, urtwn_match), 3568251538Srpaulo DEVMETHOD(device_attach, urtwn_attach), 3569251538Srpaulo DEVMETHOD(device_detach, urtwn_detach), 3570251538Srpaulo 3571264912Skevlo DEVMETHOD_END 3572251538Srpaulo}; 3573251538Srpaulo 3574251538Srpaulostatic driver_t urtwn_driver = { 3575251538Srpaulo "urtwn", 3576251538Srpaulo urtwn_methods, 3577251538Srpaulo sizeof(struct urtwn_softc) 3578251538Srpaulo}; 3579251538Srpaulo 3580251538Srpaulostatic devclass_t urtwn_devclass; 3581251538Srpaulo 3582251538SrpauloDRIVER_MODULE(urtwn, uhub, urtwn_driver, urtwn_devclass, NULL, NULL); 3583251538SrpauloMODULE_DEPEND(urtwn, usb, 1, 1, 1); 3584251538SrpauloMODULE_DEPEND(urtwn, wlan, 1, 1, 1); 3585251538SrpauloMODULE_DEPEND(urtwn, firmware, 1, 1, 1); 3586251538SrpauloMODULE_VERSION(urtwn, 1); 3587