1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org> 5 * Copyright (c) 2016 Landon Fuller <landonf@FreeBSD.org> 6 * Copyright (c) 2017 The FreeBSD Foundation 7 * All rights reserved. 8 * 9 * Portions of this software were developed by Landon Fuller 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer, 17 * without modification. 18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 19 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 20 * redistribution must be conditioned upon including a substantially 21 * similar Disclaimer requirement for further binary redistribution. 22 * 23 * NO WARRANTY 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 27 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 28 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 29 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 32 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 34 * THE POSSIBILITY OF SUCH DAMAGES. 35 */ 36 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 /* 41 * The Broadcom Wireless LAN controller driver. 42 */ 43 44 #include "opt_bwn.h" 45 #include "opt_wlan.h" 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/gpio.h> 51 #include <sys/malloc.h> 52 #include <sys/module.h> 53 #include <sys/endian.h> 54 #include <sys/errno.h> 55 #include <sys/firmware.h> 56 #include <sys/lock.h> 57 #include <sys/mutex.h> 58 #include <machine/bus.h> 59 #include <machine/resource.h> 60 #include <sys/bus.h> 61 #include <sys/rman.h> 62 #include <sys/socket.h> 63 #include <sys/sockio.h> 64 65 #include <net/ethernet.h> 66 #include <net/if.h> 67 #include <net/if_var.h> 68 #include <net/if_arp.h> 69 #include <net/if_dl.h> 70 #include <net/if_llc.h> 71 #include <net/if_media.h> 72 #include <net/if_types.h> 73 74 #include <net80211/ieee80211_var.h> 75 #include <net80211/ieee80211_radiotap.h> 76 #include <net80211/ieee80211_regdomain.h> 77 #include <net80211/ieee80211_phy.h> 78 #include <net80211/ieee80211_ratectl.h> 79 80 #include <dev/bhnd/bhnd.h> 81 #include <dev/bhnd/bhnd_ids.h> 82 83 #include <dev/bhnd/cores/chipc/chipc.h> 84 #include <dev/bhnd/cores/pmu/bhnd_pmu.h> 85 86 #include <dev/bwn/if_bwnreg.h> 87 #include <dev/bwn/if_bwnvar.h> 88 89 #include <dev/bwn/if_bwn_debug.h> 90 #include <dev/bwn/if_bwn_misc.h> 91 #include <dev/bwn/if_bwn_util.h> 92 #include <dev/bwn/if_bwn_phy_common.h> 93 #include <dev/bwn/if_bwn_phy_g.h> 94 #include <dev/bwn/if_bwn_phy_lp.h> 95 #include <dev/bwn/if_bwn_phy_n.h> 96 97 #include "bhnd_nvram_map.h" 98 99 #include "gpio_if.h" 100 101 static SYSCTL_NODE(_hw, OID_AUTO, bwn, CTLFLAG_RD, 0, 102 "Broadcom driver parameters"); 103 104 /* 105 * Tunable & sysctl variables. 106 */ 107 108 #ifdef BWN_DEBUG 109 static int bwn_debug = 0; 110 SYSCTL_INT(_hw_bwn, OID_AUTO, debug, CTLFLAG_RWTUN, &bwn_debug, 0, 111 "Broadcom debugging printfs"); 112 #endif 113 114 static int bwn_bfp = 0; /* use "Bad Frames Preemption" */ 115 SYSCTL_INT(_hw_bwn, OID_AUTO, bfp, CTLFLAG_RW, &bwn_bfp, 0, 116 "uses Bad Frames Preemption"); 117 static int bwn_bluetooth = 1; 118 SYSCTL_INT(_hw_bwn, OID_AUTO, bluetooth, CTLFLAG_RW, &bwn_bluetooth, 0, 119 "turns on Bluetooth Coexistence"); 120 static int bwn_hwpctl = 0; 121 SYSCTL_INT(_hw_bwn, OID_AUTO, hwpctl, CTLFLAG_RW, &bwn_hwpctl, 0, 122 "uses H/W power control"); 123 static int bwn_usedma = 1; 124 SYSCTL_INT(_hw_bwn, OID_AUTO, usedma, CTLFLAG_RD, &bwn_usedma, 0, 125 "uses DMA"); 126 TUNABLE_INT("hw.bwn.usedma", &bwn_usedma); 127 static int bwn_wme = 1; 128 SYSCTL_INT(_hw_bwn, OID_AUTO, wme, CTLFLAG_RW, &bwn_wme, 0, 129 "uses WME support"); 130 131 static void bwn_attach_pre(struct bwn_softc *); 132 static int bwn_attach_post(struct bwn_softc *); 133 static int bwn_retain_bus_providers(struct bwn_softc *sc); 134 static void bwn_release_bus_providers(struct bwn_softc *sc); 135 static void bwn_sprom_bugfixes(device_t); 136 static int bwn_init(struct bwn_softc *); 137 static void bwn_parent(struct ieee80211com *); 138 static void bwn_start(struct bwn_softc *); 139 static int bwn_transmit(struct ieee80211com *, struct mbuf *); 140 static int bwn_attach_core(struct bwn_mac *); 141 static int bwn_phy_getinfo(struct bwn_mac *, int); 142 static int bwn_chiptest(struct bwn_mac *); 143 static int bwn_setup_channels(struct bwn_mac *, int, int); 144 static void bwn_shm_ctlword(struct bwn_mac *, uint16_t, 145 uint16_t); 146 static void bwn_addchannels(struct ieee80211_channel [], int, int *, 147 const struct bwn_channelinfo *, const uint8_t []); 148 static int bwn_raw_xmit(struct ieee80211_node *, struct mbuf *, 149 const struct ieee80211_bpf_params *); 150 static void bwn_updateslot(struct ieee80211com *); 151 static void bwn_update_promisc(struct ieee80211com *); 152 static void bwn_wme_init(struct bwn_mac *); 153 static int bwn_wme_update(struct ieee80211com *); 154 static void bwn_wme_clear(struct bwn_softc *); 155 static void bwn_wme_load(struct bwn_mac *); 156 static void bwn_wme_loadparams(struct bwn_mac *, 157 const struct wmeParams *, uint16_t); 158 static void bwn_scan_start(struct ieee80211com *); 159 static void bwn_scan_end(struct ieee80211com *); 160 static void bwn_set_channel(struct ieee80211com *); 161 static struct ieee80211vap *bwn_vap_create(struct ieee80211com *, 162 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 163 const uint8_t [IEEE80211_ADDR_LEN], 164 const uint8_t [IEEE80211_ADDR_LEN]); 165 static void bwn_vap_delete(struct ieee80211vap *); 166 static void bwn_stop(struct bwn_softc *); 167 static int bwn_core_forceclk(struct bwn_mac *, bool); 168 static int bwn_core_init(struct bwn_mac *); 169 static void bwn_core_start(struct bwn_mac *); 170 static void bwn_core_exit(struct bwn_mac *); 171 static void bwn_bt_disable(struct bwn_mac *); 172 static int bwn_chip_init(struct bwn_mac *); 173 static void bwn_set_txretry(struct bwn_mac *, int, int); 174 static void bwn_rate_init(struct bwn_mac *); 175 static void bwn_set_phytxctl(struct bwn_mac *); 176 static void bwn_spu_setdelay(struct bwn_mac *, int); 177 static void bwn_bt_enable(struct bwn_mac *); 178 static void bwn_set_macaddr(struct bwn_mac *); 179 static void bwn_crypt_init(struct bwn_mac *); 180 static void bwn_chip_exit(struct bwn_mac *); 181 static int bwn_fw_fillinfo(struct bwn_mac *); 182 static int bwn_fw_loaducode(struct bwn_mac *); 183 static int bwn_gpio_init(struct bwn_mac *); 184 static int bwn_fw_loadinitvals(struct bwn_mac *); 185 static int bwn_phy_init(struct bwn_mac *); 186 static void bwn_set_txantenna(struct bwn_mac *, int); 187 static void bwn_set_opmode(struct bwn_mac *); 188 static void bwn_rate_write(struct bwn_mac *, uint16_t, int); 189 static uint8_t bwn_plcp_getcck(const uint8_t); 190 static uint8_t bwn_plcp_getofdm(const uint8_t); 191 static void bwn_pio_init(struct bwn_mac *); 192 static uint16_t bwn_pio_idx2base(struct bwn_mac *, int); 193 static void bwn_pio_set_txqueue(struct bwn_mac *, struct bwn_pio_txqueue *, 194 int); 195 static void bwn_pio_setupqueue_rx(struct bwn_mac *, 196 struct bwn_pio_rxqueue *, int); 197 static void bwn_destroy_queue_tx(struct bwn_pio_txqueue *); 198 static uint16_t bwn_pio_read_2(struct bwn_mac *, struct bwn_pio_txqueue *, 199 uint16_t); 200 static void bwn_pio_cancel_tx_packets(struct bwn_pio_txqueue *); 201 static int bwn_pio_rx(struct bwn_pio_rxqueue *); 202 static uint8_t bwn_pio_rxeof(struct bwn_pio_rxqueue *); 203 static void bwn_pio_handle_txeof(struct bwn_mac *, 204 const struct bwn_txstatus *); 205 static uint16_t bwn_pio_rx_read_2(struct bwn_pio_rxqueue *, uint16_t); 206 static uint32_t bwn_pio_rx_read_4(struct bwn_pio_rxqueue *, uint16_t); 207 static void bwn_pio_rx_write_2(struct bwn_pio_rxqueue *, uint16_t, 208 uint16_t); 209 static void bwn_pio_rx_write_4(struct bwn_pio_rxqueue *, uint16_t, 210 uint32_t); 211 static int bwn_pio_tx_start(struct bwn_mac *, struct ieee80211_node *, 212 struct mbuf **); 213 static struct bwn_pio_txqueue *bwn_pio_select(struct bwn_mac *, uint8_t); 214 static uint32_t bwn_pio_write_multi_4(struct bwn_mac *, 215 struct bwn_pio_txqueue *, uint32_t, const void *, int); 216 static void bwn_pio_write_4(struct bwn_mac *, struct bwn_pio_txqueue *, 217 uint16_t, uint32_t); 218 static uint16_t bwn_pio_write_multi_2(struct bwn_mac *, 219 struct bwn_pio_txqueue *, uint16_t, const void *, int); 220 static uint16_t bwn_pio_write_mbuf_2(struct bwn_mac *, 221 struct bwn_pio_txqueue *, uint16_t, struct mbuf *); 222 static struct bwn_pio_txqueue *bwn_pio_parse_cookie(struct bwn_mac *, 223 uint16_t, struct bwn_pio_txpkt **); 224 static void bwn_dma_init(struct bwn_mac *); 225 static void bwn_dma_rxdirectfifo(struct bwn_mac *, int, uint8_t); 226 static uint16_t bwn_dma_base(int, int); 227 static void bwn_dma_ringfree(struct bwn_dma_ring **); 228 static void bwn_dma_32_getdesc(struct bwn_dma_ring *, 229 int, struct bwn_dmadesc_generic **, 230 struct bwn_dmadesc_meta **); 231 static void bwn_dma_32_setdesc(struct bwn_dma_ring *, 232 struct bwn_dmadesc_generic *, bus_addr_t, uint16_t, int, 233 int, int); 234 static void bwn_dma_32_start_transfer(struct bwn_dma_ring *, int); 235 static void bwn_dma_32_suspend(struct bwn_dma_ring *); 236 static void bwn_dma_32_resume(struct bwn_dma_ring *); 237 static int bwn_dma_32_get_curslot(struct bwn_dma_ring *); 238 static void bwn_dma_32_set_curslot(struct bwn_dma_ring *, int); 239 static void bwn_dma_64_getdesc(struct bwn_dma_ring *, 240 int, struct bwn_dmadesc_generic **, 241 struct bwn_dmadesc_meta **); 242 static void bwn_dma_64_setdesc(struct bwn_dma_ring *, 243 struct bwn_dmadesc_generic *, bus_addr_t, uint16_t, int, 244 int, int); 245 static void bwn_dma_64_start_transfer(struct bwn_dma_ring *, int); 246 static void bwn_dma_64_suspend(struct bwn_dma_ring *); 247 static void bwn_dma_64_resume(struct bwn_dma_ring *); 248 static int bwn_dma_64_get_curslot(struct bwn_dma_ring *); 249 static void bwn_dma_64_set_curslot(struct bwn_dma_ring *, int); 250 static int bwn_dma_allocringmemory(struct bwn_dma_ring *); 251 static void bwn_dma_setup(struct bwn_dma_ring *); 252 static void bwn_dma_free_ringmemory(struct bwn_dma_ring *); 253 static void bwn_dma_cleanup(struct bwn_dma_ring *); 254 static void bwn_dma_free_descbufs(struct bwn_dma_ring *); 255 static int bwn_dma_tx_reset(struct bwn_mac *, uint16_t, int); 256 static void bwn_dma_rx(struct bwn_dma_ring *); 257 static int bwn_dma_rx_reset(struct bwn_mac *, uint16_t, int); 258 static void bwn_dma_free_descbuf(struct bwn_dma_ring *, 259 struct bwn_dmadesc_meta *); 260 static void bwn_dma_set_redzone(struct bwn_dma_ring *, struct mbuf *); 261 static void bwn_dma_ring_addr(void *, bus_dma_segment_t *, int, int); 262 static int bwn_dma_freeslot(struct bwn_dma_ring *); 263 static int bwn_dma_nextslot(struct bwn_dma_ring *, int); 264 static void bwn_dma_rxeof(struct bwn_dma_ring *, int *); 265 static int bwn_dma_newbuf(struct bwn_dma_ring *, 266 struct bwn_dmadesc_generic *, struct bwn_dmadesc_meta *, 267 int); 268 static void bwn_dma_buf_addr(void *, bus_dma_segment_t *, int, 269 bus_size_t, int); 270 static uint8_t bwn_dma_check_redzone(struct bwn_dma_ring *, struct mbuf *); 271 static void bwn_ratectl_tx_complete(const struct ieee80211_node *, 272 const struct bwn_txstatus *); 273 static void bwn_dma_handle_txeof(struct bwn_mac *, 274 const struct bwn_txstatus *); 275 static int bwn_dma_tx_start(struct bwn_mac *, struct ieee80211_node *, 276 struct mbuf **); 277 static int bwn_dma_getslot(struct bwn_dma_ring *); 278 static struct bwn_dma_ring *bwn_dma_select(struct bwn_mac *, 279 uint8_t); 280 static int bwn_dma_attach(struct bwn_mac *); 281 static struct bwn_dma_ring *bwn_dma_ringsetup(struct bwn_mac *, 282 int, int); 283 static struct bwn_dma_ring *bwn_dma_parse_cookie(struct bwn_mac *, 284 const struct bwn_txstatus *, uint16_t, int *); 285 static void bwn_dma_free(struct bwn_mac *); 286 static int bwn_fw_gets(struct bwn_mac *, enum bwn_fwtype); 287 static int bwn_fw_get(struct bwn_mac *, enum bwn_fwtype, 288 const char *, struct bwn_fwfile *); 289 static void bwn_release_firmware(struct bwn_mac *); 290 static void bwn_do_release_fw(struct bwn_fwfile *); 291 static uint16_t bwn_fwcaps_read(struct bwn_mac *); 292 static int bwn_fwinitvals_write(struct bwn_mac *, 293 const struct bwn_fwinitvals *, size_t, size_t); 294 static uint16_t bwn_ant2phy(int); 295 static void bwn_mac_write_bssid(struct bwn_mac *); 296 static void bwn_mac_setfilter(struct bwn_mac *, uint16_t, 297 const uint8_t *); 298 static void bwn_key_dowrite(struct bwn_mac *, uint8_t, uint8_t, 299 const uint8_t *, size_t, const uint8_t *); 300 static void bwn_key_macwrite(struct bwn_mac *, uint8_t, 301 const uint8_t *); 302 static void bwn_key_write(struct bwn_mac *, uint8_t, uint8_t, 303 const uint8_t *); 304 static void bwn_phy_exit(struct bwn_mac *); 305 static void bwn_core_stop(struct bwn_mac *); 306 static int bwn_switch_band(struct bwn_softc *, 307 struct ieee80211_channel *); 308 static int bwn_phy_reset(struct bwn_mac *); 309 static int bwn_newstate(struct ieee80211vap *, enum ieee80211_state, int); 310 static void bwn_set_pretbtt(struct bwn_mac *); 311 static int bwn_intr(void *); 312 static void bwn_intrtask(void *, int); 313 static void bwn_restart(struct bwn_mac *, const char *); 314 static void bwn_intr_ucode_debug(struct bwn_mac *); 315 static void bwn_intr_tbtt_indication(struct bwn_mac *); 316 static void bwn_intr_atim_end(struct bwn_mac *); 317 static void bwn_intr_beacon(struct bwn_mac *); 318 static void bwn_intr_pmq(struct bwn_mac *); 319 static void bwn_intr_noise(struct bwn_mac *); 320 static void bwn_intr_txeof(struct bwn_mac *); 321 static void bwn_hwreset(void *, int); 322 static void bwn_handle_fwpanic(struct bwn_mac *); 323 static void bwn_load_beacon0(struct bwn_mac *); 324 static void bwn_load_beacon1(struct bwn_mac *); 325 static uint32_t bwn_jssi_read(struct bwn_mac *); 326 static void bwn_noise_gensample(struct bwn_mac *); 327 static void bwn_handle_txeof(struct bwn_mac *, 328 const struct bwn_txstatus *); 329 static void bwn_rxeof(struct bwn_mac *, struct mbuf *, const void *); 330 static void bwn_phy_txpower_check(struct bwn_mac *, uint32_t); 331 static int bwn_tx_start(struct bwn_softc *, struct ieee80211_node *, 332 struct mbuf *); 333 static int bwn_tx_isfull(struct bwn_softc *, struct mbuf *); 334 static int bwn_set_txhdr(struct bwn_mac *, 335 struct ieee80211_node *, struct mbuf *, struct bwn_txhdr *, 336 uint16_t); 337 static void bwn_plcp_genhdr(struct bwn_plcp4 *, const uint16_t, 338 const uint8_t); 339 static uint8_t bwn_antenna_sanitize(struct bwn_mac *, uint8_t); 340 static uint8_t bwn_get_fbrate(uint8_t); 341 static void bwn_txpwr(void *, int); 342 static void bwn_tasks(void *); 343 static void bwn_task_15s(struct bwn_mac *); 344 static void bwn_task_30s(struct bwn_mac *); 345 static void bwn_task_60s(struct bwn_mac *); 346 static int bwn_plcp_get_ofdmrate(struct bwn_mac *, struct bwn_plcp6 *, 347 uint8_t); 348 static int bwn_plcp_get_cckrate(struct bwn_mac *, struct bwn_plcp6 *); 349 static void bwn_rx_radiotap(struct bwn_mac *, struct mbuf *, 350 const struct bwn_rxhdr4 *, struct bwn_plcp6 *, int, 351 int, int); 352 static void bwn_tsf_read(struct bwn_mac *, uint64_t *); 353 static void bwn_set_slot_time(struct bwn_mac *, uint16_t); 354 static void bwn_watchdog(void *); 355 static void bwn_dma_stop(struct bwn_mac *); 356 static void bwn_pio_stop(struct bwn_mac *); 357 static void bwn_dma_ringstop(struct bwn_dma_ring **); 358 static int bwn_led_attach(struct bwn_mac *); 359 static void bwn_led_newstate(struct bwn_mac *, enum ieee80211_state); 360 static void bwn_led_event(struct bwn_mac *, int); 361 static void bwn_led_blink_start(struct bwn_mac *, int, int); 362 static void bwn_led_blink_next(void *); 363 static void bwn_led_blink_end(void *); 364 static void bwn_rfswitch(void *); 365 static void bwn_rf_turnon(struct bwn_mac *); 366 static void bwn_rf_turnoff(struct bwn_mac *); 367 static void bwn_sysctl_node(struct bwn_softc *); 368 369 static const struct bwn_channelinfo bwn_chantable_bg = { 370 .channels = { 371 { 2412, 1, 30 }, { 2417, 2, 30 }, { 2422, 3, 30 }, 372 { 2427, 4, 30 }, { 2432, 5, 30 }, { 2437, 6, 30 }, 373 { 2442, 7, 30 }, { 2447, 8, 30 }, { 2452, 9, 30 }, 374 { 2457, 10, 30 }, { 2462, 11, 30 }, { 2467, 12, 30 }, 375 { 2472, 13, 30 }, { 2484, 14, 30 } }, 376 .nchannels = 14 377 }; 378 379 static const struct bwn_channelinfo bwn_chantable_a = { 380 .channels = { 381 { 5170, 34, 30 }, { 5180, 36, 30 }, { 5190, 38, 30 }, 382 { 5200, 40, 30 }, { 5210, 42, 30 }, { 5220, 44, 30 }, 383 { 5230, 46, 30 }, { 5240, 48, 30 }, { 5260, 52, 30 }, 384 { 5280, 56, 30 }, { 5300, 60, 30 }, { 5320, 64, 30 }, 385 { 5500, 100, 30 }, { 5520, 104, 30 }, { 5540, 108, 30 }, 386 { 5560, 112, 30 }, { 5580, 116, 30 }, { 5600, 120, 30 }, 387 { 5620, 124, 30 }, { 5640, 128, 30 }, { 5660, 132, 30 }, 388 { 5680, 136, 30 }, { 5700, 140, 30 }, { 5745, 149, 30 }, 389 { 5765, 153, 30 }, { 5785, 157, 30 }, { 5805, 161, 30 }, 390 { 5825, 165, 30 }, { 5920, 184, 30 }, { 5940, 188, 30 }, 391 { 5960, 192, 30 }, { 5980, 196, 30 }, { 6000, 200, 30 }, 392 { 6020, 204, 30 }, { 6040, 208, 30 }, { 6060, 212, 30 }, 393 { 6080, 216, 30 } }, 394 .nchannels = 37 395 }; 396 397 #if 0 398 static const struct bwn_channelinfo bwn_chantable_n = { 399 .channels = { 400 { 5160, 32, 30 }, { 5170, 34, 30 }, { 5180, 36, 30 }, 401 { 5190, 38, 30 }, { 5200, 40, 30 }, { 5210, 42, 30 }, 402 { 5220, 44, 30 }, { 5230, 46, 30 }, { 5240, 48, 30 }, 403 { 5250, 50, 30 }, { 5260, 52, 30 }, { 5270, 54, 30 }, 404 { 5280, 56, 30 }, { 5290, 58, 30 }, { 5300, 60, 30 }, 405 { 5310, 62, 30 }, { 5320, 64, 30 }, { 5330, 66, 30 }, 406 { 5340, 68, 30 }, { 5350, 70, 30 }, { 5360, 72, 30 }, 407 { 5370, 74, 30 }, { 5380, 76, 30 }, { 5390, 78, 30 }, 408 { 5400, 80, 30 }, { 5410, 82, 30 }, { 5420, 84, 30 }, 409 { 5430, 86, 30 }, { 5440, 88, 30 }, { 5450, 90, 30 }, 410 { 5460, 92, 30 }, { 5470, 94, 30 }, { 5480, 96, 30 }, 411 { 5490, 98, 30 }, { 5500, 100, 30 }, { 5510, 102, 30 }, 412 { 5520, 104, 30 }, { 5530, 106, 30 }, { 5540, 108, 30 }, 413 { 5550, 110, 30 }, { 5560, 112, 30 }, { 5570, 114, 30 }, 414 { 5580, 116, 30 }, { 5590, 118, 30 }, { 5600, 120, 30 }, 415 { 5610, 122, 30 }, { 5620, 124, 30 }, { 5630, 126, 30 }, 416 { 5640, 128, 30 }, { 5650, 130, 30 }, { 5660, 132, 30 }, 417 { 5670, 134, 30 }, { 5680, 136, 30 }, { 5690, 138, 30 }, 418 { 5700, 140, 30 }, { 5710, 142, 30 }, { 5720, 144, 30 }, 419 { 5725, 145, 30 }, { 5730, 146, 30 }, { 5735, 147, 30 }, 420 { 5740, 148, 30 }, { 5745, 149, 30 }, { 5750, 150, 30 }, 421 { 5755, 151, 30 }, { 5760, 152, 30 }, { 5765, 153, 30 }, 422 { 5770, 154, 30 }, { 5775, 155, 30 }, { 5780, 156, 30 }, 423 { 5785, 157, 30 }, { 5790, 158, 30 }, { 5795, 159, 30 }, 424 { 5800, 160, 30 }, { 5805, 161, 30 }, { 5810, 162, 30 }, 425 { 5815, 163, 30 }, { 5820, 164, 30 }, { 5825, 165, 30 }, 426 { 5830, 166, 30 }, { 5840, 168, 30 }, { 5850, 170, 30 }, 427 { 5860, 172, 30 }, { 5870, 174, 30 }, { 5880, 176, 30 }, 428 { 5890, 178, 30 }, { 5900, 180, 30 }, { 5910, 182, 30 }, 429 { 5920, 184, 30 }, { 5930, 186, 30 }, { 5940, 188, 30 }, 430 { 5950, 190, 30 }, { 5960, 192, 30 }, { 5970, 194, 30 }, 431 { 5980, 196, 30 }, { 5990, 198, 30 }, { 6000, 200, 30 }, 432 { 6010, 202, 30 }, { 6020, 204, 30 }, { 6030, 206, 30 }, 433 { 6040, 208, 30 }, { 6050, 210, 30 }, { 6060, 212, 30 }, 434 { 6070, 214, 30 }, { 6080, 216, 30 }, { 6090, 218, 30 }, 435 { 6100, 220, 30 }, { 6110, 222, 30 }, { 6120, 224, 30 }, 436 { 6130, 226, 30 }, { 6140, 228, 30 } }, 437 .nchannels = 110 438 }; 439 #endif 440 441 #define VENDOR_LED_ACT(vendor) \ 442 { \ 443 .vid = PCI_VENDOR_##vendor, \ 444 .led_act = { BWN_VENDOR_LED_ACT_##vendor } \ 445 } 446 447 static const struct { 448 uint16_t vid; 449 uint8_t led_act[BWN_LED_MAX]; 450 } bwn_vendor_led_act[] = { 451 VENDOR_LED_ACT(HP_COMPAQ), 452 VENDOR_LED_ACT(ASUSTEK) 453 }; 454 455 static const uint8_t bwn_default_led_act[BWN_LED_MAX] = 456 { BWN_VENDOR_LED_ACT_DEFAULT }; 457 458 #undef VENDOR_LED_ACT 459 460 static const char *bwn_led_vars[] = { 461 BHND_NVAR_LEDBH0, 462 BHND_NVAR_LEDBH1, 463 BHND_NVAR_LEDBH2, 464 BHND_NVAR_LEDBH3 465 }; 466 467 static const struct { 468 int on_dur; 469 int off_dur; 470 } bwn_led_duration[109] = { 471 [0] = { 400, 100 }, 472 [2] = { 150, 75 }, 473 [4] = { 90, 45 }, 474 [11] = { 66, 34 }, 475 [12] = { 53, 26 }, 476 [18] = { 42, 21 }, 477 [22] = { 35, 17 }, 478 [24] = { 32, 16 }, 479 [36] = { 21, 10 }, 480 [48] = { 16, 8 }, 481 [72] = { 11, 5 }, 482 [96] = { 9, 4 }, 483 [108] = { 7, 3 } 484 }; 485 486 static const uint16_t bwn_wme_shm_offsets[] = { 487 [0] = BWN_WME_BESTEFFORT, 488 [1] = BWN_WME_BACKGROUND, 489 [2] = BWN_WME_VOICE, 490 [3] = BWN_WME_VIDEO, 491 }; 492 493 /* Supported D11 core revisions */ 494 #define BWN_DEV(_hwrev) {{ \ 495 BHND_MATCH_CORE(BHND_MFGID_BCM, BHND_COREID_D11), \ 496 BHND_MATCH_CORE_REV(_hwrev), \ 497 }} 498 static const struct bhnd_device bwn_devices[] = { 499 BWN_DEV(HWREV_RANGE(5, 16)), 500 BWN_DEV(HWREV_EQ(23)), 501 BHND_DEVICE_END 502 }; 503 504 /* D11 quirks when bridged via a PCI host bridge core */ 505 static const struct bhnd_device_quirk pci_bridge_quirks[] = { 506 BHND_CORE_QUIRK (HWREV_LTE(10), BWN_QUIRK_UCODE_SLOWCLOCK_WAR), 507 BHND_DEVICE_QUIRK_END 508 }; 509 510 /* D11 quirks when bridged via a PCMCIA host bridge core */ 511 static const struct bhnd_device_quirk pcmcia_bridge_quirks[] = { 512 BHND_CORE_QUIRK (HWREV_ANY, BWN_QUIRK_NODMA), 513 BHND_DEVICE_QUIRK_END 514 }; 515 516 /* Host bridge cores for which D11 quirk flags should be applied */ 517 static const struct bhnd_device bridge_devices[] = { 518 BHND_DEVICE(BCM, PCI, NULL, pci_bridge_quirks), 519 BHND_DEVICE(BCM, PCMCIA, NULL, pcmcia_bridge_quirks), 520 BHND_DEVICE_END 521 }; 522 523 static int 524 bwn_probe(device_t dev) 525 { 526 const struct bhnd_device *id; 527 528 id = bhnd_device_lookup(dev, bwn_devices, sizeof(bwn_devices[0])); 529 if (id == NULL) 530 return (ENXIO); 531 532 bhnd_set_default_core_desc(dev); 533 return (BUS_PROBE_DEFAULT); 534 } 535 536 static int 537 bwn_attach(device_t dev) 538 { 539 struct bwn_mac *mac; 540 struct bwn_softc *sc; 541 device_t parent, hostb; 542 char chip_name[BHND_CHIPID_MAX_NAMELEN]; 543 int error; 544 545 sc = device_get_softc(dev); 546 sc->sc_dev = dev; 547 #ifdef BWN_DEBUG 548 sc->sc_debug = bwn_debug; 549 #endif 550 551 mac = NULL; 552 553 /* Determine the driver quirks applicable to this device, including any 554 * quirks specific to the bus host bridge core (if any) */ 555 sc->sc_quirks = bhnd_device_quirks(dev, bwn_devices, 556 sizeof(bwn_devices[0])); 557 558 parent = device_get_parent(dev); 559 if ((hostb = bhnd_bus_find_hostb_device(parent)) != NULL) { 560 sc->sc_quirks |= bhnd_device_quirks(hostb, bridge_devices, 561 sizeof(bridge_devices[0])); 562 } 563 564 /* DMA explicitly disabled? */ 565 if (!bwn_usedma) 566 sc->sc_quirks |= BWN_QUIRK_NODMA; 567 568 /* Fetch our chip identification and board info */ 569 sc->sc_cid = *bhnd_get_chipid(dev); 570 if ((error = bhnd_read_board_info(dev, &sc->sc_board_info))) { 571 device_printf(sc->sc_dev, "couldn't read board info\n"); 572 return (error); 573 } 574 575 /* Allocate our D11 register block and PMU state */ 576 sc->sc_mem_rid = 0; 577 sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 578 &sc->sc_mem_rid, RF_ACTIVE); 579 if (sc->sc_mem_res == NULL) { 580 device_printf(sc->sc_dev, "couldn't allocate registers\n"); 581 return (error); 582 } 583 584 if ((error = bhnd_alloc_pmu(sc->sc_dev))) { 585 bus_release_resource(sc->sc_dev, SYS_RES_MEMORY, 586 sc->sc_mem_rid, sc->sc_mem_res); 587 return (error); 588 } 589 590 /* Retain references to all required bus service providers */ 591 if ((error = bwn_retain_bus_providers(sc))) 592 goto fail; 593 594 /* Fetch mask of available antennas */ 595 error = bhnd_nvram_getvar_uint8(sc->sc_dev, BHND_NVAR_AA2G, 596 &sc->sc_ant2g); 597 if (error) { 598 device_printf(sc->sc_dev, "error determining 2GHz antenna " 599 "availability from NVRAM: %d\n", error); 600 goto fail; 601 } 602 603 error = bhnd_nvram_getvar_uint8(sc->sc_dev, BHND_NVAR_AA5G, 604 &sc->sc_ant5g); 605 if (error) { 606 device_printf(sc->sc_dev, "error determining 5GHz antenna " 607 "availability from NVRAM: %d\n", error); 608 goto fail; 609 } 610 611 if ((sc->sc_flags & BWN_FLAG_ATTACHED) == 0) { 612 bwn_attach_pre(sc); 613 bwn_sprom_bugfixes(dev); 614 sc->sc_flags |= BWN_FLAG_ATTACHED; 615 } 616 617 mac = malloc(sizeof(*mac), M_DEVBUF, M_WAITOK | M_ZERO); 618 mac->mac_sc = sc; 619 mac->mac_status = BWN_MAC_STATUS_UNINIT; 620 if (bwn_bfp != 0) 621 mac->mac_flags |= BWN_MAC_FLAG_BADFRAME_PREEMP; 622 623 TASK_INIT(&mac->mac_hwreset, 0, bwn_hwreset, mac); 624 NET_TASK_INIT(&mac->mac_intrtask, 0, bwn_intrtask, mac); 625 TASK_INIT(&mac->mac_txpower, 0, bwn_txpwr, mac); 626 627 error = bwn_attach_core(mac); 628 if (error) 629 goto fail; 630 error = bwn_led_attach(mac); 631 if (error) 632 goto fail; 633 634 bhnd_format_chip_id(chip_name, sizeof(chip_name), sc->sc_cid.chip_id); 635 device_printf(sc->sc_dev, "WLAN (%s rev %u sromrev %u) " 636 "PHY (analog %d type %d rev %d) RADIO (manuf %#x ver %#x rev %d)\n", 637 chip_name, bhnd_get_hwrev(sc->sc_dev), 638 sc->sc_board_info.board_srom_rev, mac->mac_phy.analog, 639 mac->mac_phy.type, mac->mac_phy.rev, mac->mac_phy.rf_manuf, 640 mac->mac_phy.rf_ver, mac->mac_phy.rf_rev); 641 if (mac->mac_flags & BWN_MAC_FLAG_DMA) 642 device_printf(sc->sc_dev, "DMA (%d bits)\n", mac->mac_dmatype); 643 else 644 device_printf(sc->sc_dev, "PIO\n"); 645 646 #ifdef BWN_GPL_PHY 647 device_printf(sc->sc_dev, 648 "Note: compiled with BWN_GPL_PHY; includes GPLv2 code\n"); 649 #endif 650 651 mac->mac_rid_irq = 0; 652 mac->mac_res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 653 &mac->mac_rid_irq, RF_ACTIVE | RF_SHAREABLE); 654 655 if (mac->mac_res_irq == NULL) { 656 device_printf(sc->sc_dev, "couldn't allocate IRQ resource\n"); 657 error = ENXIO; 658 goto fail; 659 } 660 661 error = bus_setup_intr(dev, mac->mac_res_irq, 662 INTR_TYPE_NET | INTR_MPSAFE, bwn_intr, NULL, mac, 663 &mac->mac_intrhand); 664 if (error != 0) { 665 device_printf(sc->sc_dev, "couldn't setup interrupt (%d)\n", 666 error); 667 goto fail; 668 } 669 670 TAILQ_INSERT_TAIL(&sc->sc_maclist, mac, mac_list); 671 672 /* 673 * calls attach-post routine 674 */ 675 if ((sc->sc_flags & BWN_FLAG_ATTACHED) != 0) 676 bwn_attach_post(sc); 677 678 return (0); 679 fail: 680 if (mac != NULL && mac->mac_res_irq != NULL) { 681 bus_release_resource(dev, SYS_RES_IRQ, mac->mac_rid_irq, 682 mac->mac_res_irq); 683 } 684 685 free(mac, M_DEVBUF); 686 bhnd_release_pmu(dev); 687 bwn_release_bus_providers(sc); 688 689 if (sc->sc_mem_res != NULL) { 690 bus_release_resource(sc->sc_dev, SYS_RES_MEMORY, 691 sc->sc_mem_rid, sc->sc_mem_res); 692 } 693 694 return (error); 695 } 696 697 static int 698 bwn_retain_bus_providers(struct bwn_softc *sc) 699 { 700 struct chipc_caps *ccaps; 701 702 sc->sc_chipc = bhnd_retain_provider(sc->sc_dev, BHND_SERVICE_CHIPC); 703 if (sc->sc_chipc == NULL) { 704 device_printf(sc->sc_dev, "ChipCommon device not found\n"); 705 goto failed; 706 } 707 708 ccaps = BHND_CHIPC_GET_CAPS(sc->sc_chipc); 709 710 sc->sc_gpio = bhnd_retain_provider(sc->sc_dev, BHND_SERVICE_GPIO); 711 if (sc->sc_gpio == NULL) { 712 device_printf(sc->sc_dev, "GPIO device not found\n"); 713 goto failed; 714 } 715 716 if (ccaps->pmu) { 717 sc->sc_pmu = bhnd_retain_provider(sc->sc_dev, BHND_SERVICE_PMU); 718 if (sc->sc_pmu == NULL) { 719 device_printf(sc->sc_dev, "PMU device not found\n"); 720 goto failed; 721 } 722 } 723 724 return (0); 725 726 failed: 727 bwn_release_bus_providers(sc); 728 return (ENXIO); 729 } 730 731 static void 732 bwn_release_bus_providers(struct bwn_softc *sc) 733 { 734 #define BWN_RELEASE_PROV(_sc, _prov, _service) do { \ 735 if ((_sc)-> _prov != NULL) { \ 736 bhnd_release_provider((_sc)->sc_dev, (_sc)-> _prov, \ 737 (_service)); \ 738 (_sc)-> _prov = NULL; \ 739 } \ 740 } while (0) 741 742 BWN_RELEASE_PROV(sc, sc_chipc, BHND_SERVICE_CHIPC); 743 BWN_RELEASE_PROV(sc, sc_gpio, BHND_SERVICE_GPIO); 744 BWN_RELEASE_PROV(sc, sc_pmu, BHND_SERVICE_PMU); 745 746 #undef BWN_RELEASE_PROV 747 } 748 749 static int 750 bwn_attach_post(struct bwn_softc *sc) 751 { 752 struct ieee80211com *ic; 753 const char *mac_varname; 754 u_int core_unit; 755 int error; 756 757 ic = &sc->sc_ic; 758 759 ic->ic_softc = sc; 760 ic->ic_name = device_get_nameunit(sc->sc_dev); 761 /* XXX not right but it's not used anywhere important */ 762 ic->ic_phytype = IEEE80211_T_OFDM; 763 ic->ic_opmode = IEEE80211_M_STA; 764 ic->ic_caps = 765 IEEE80211_C_STA /* station mode supported */ 766 | IEEE80211_C_MONITOR /* monitor mode */ 767 | IEEE80211_C_AHDEMO /* adhoc demo mode */ 768 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 769 | IEEE80211_C_SHSLOT /* short slot time supported */ 770 | IEEE80211_C_WME /* WME/WMM supported */ 771 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ 772 #if 0 773 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 774 #endif 775 | IEEE80211_C_TXPMGT /* capable of txpow mgt */ 776 ; 777 778 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; /* s/w bmiss */ 779 780 /* Determine the NVRAM variable containing our MAC address */ 781 core_unit = bhnd_get_core_unit(sc->sc_dev); 782 mac_varname = NULL; 783 if (sc->sc_board_info.board_srom_rev <= 2) { 784 if (core_unit == 0) { 785 mac_varname = BHND_NVAR_IL0MACADDR; 786 } else if (core_unit == 1) { 787 mac_varname = BHND_NVAR_ET1MACADDR; 788 } 789 } else { 790 if (core_unit == 0) { 791 mac_varname = BHND_NVAR_MACADDR; 792 } 793 } 794 795 if (mac_varname == NULL) { 796 device_printf(sc->sc_dev, "missing MAC address variable for " 797 "D11 core %u", core_unit); 798 return (ENXIO); 799 } 800 801 /* Read the MAC address from NVRAM */ 802 error = bhnd_nvram_getvar_array(sc->sc_dev, mac_varname, ic->ic_macaddr, 803 sizeof(ic->ic_macaddr), BHND_NVRAM_TYPE_UINT8_ARRAY); 804 if (error) { 805 device_printf(sc->sc_dev, "error reading %s: %d\n", mac_varname, 806 error); 807 return (error); 808 } 809 810 /* call MI attach routine. */ 811 ieee80211_ifattach(ic); 812 813 ic->ic_headroom = sizeof(struct bwn_txhdr); 814 815 /* override default methods */ 816 ic->ic_raw_xmit = bwn_raw_xmit; 817 ic->ic_updateslot = bwn_updateslot; 818 ic->ic_update_promisc = bwn_update_promisc; 819 ic->ic_wme.wme_update = bwn_wme_update; 820 ic->ic_scan_start = bwn_scan_start; 821 ic->ic_scan_end = bwn_scan_end; 822 ic->ic_set_channel = bwn_set_channel; 823 ic->ic_vap_create = bwn_vap_create; 824 ic->ic_vap_delete = bwn_vap_delete; 825 ic->ic_transmit = bwn_transmit; 826 ic->ic_parent = bwn_parent; 827 828 ieee80211_radiotap_attach(ic, 829 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th), 830 BWN_TX_RADIOTAP_PRESENT, 831 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th), 832 BWN_RX_RADIOTAP_PRESENT); 833 834 bwn_sysctl_node(sc); 835 836 if (bootverbose) 837 ieee80211_announce(ic); 838 return (0); 839 } 840 841 static void 842 bwn_phy_detach(struct bwn_mac *mac) 843 { 844 845 if (mac->mac_phy.detach != NULL) 846 mac->mac_phy.detach(mac); 847 } 848 849 static int 850 bwn_detach(device_t dev) 851 { 852 struct bwn_softc *sc = device_get_softc(dev); 853 struct bwn_mac *mac = sc->sc_curmac; 854 struct ieee80211com *ic = &sc->sc_ic; 855 856 sc->sc_flags |= BWN_FLAG_INVALID; 857 858 if (device_is_attached(sc->sc_dev)) { 859 BWN_LOCK(sc); 860 bwn_stop(sc); 861 BWN_UNLOCK(sc); 862 bwn_dma_free(mac); 863 callout_drain(&sc->sc_led_blink_ch); 864 callout_drain(&sc->sc_rfswitch_ch); 865 callout_drain(&sc->sc_task_ch); 866 callout_drain(&sc->sc_watchdog_ch); 867 bwn_phy_detach(mac); 868 ieee80211_draintask(ic, &mac->mac_hwreset); 869 ieee80211_draintask(ic, &mac->mac_txpower); 870 ieee80211_ifdetach(ic); 871 } 872 taskqueue_drain(sc->sc_tq, &mac->mac_intrtask); 873 taskqueue_free(sc->sc_tq); 874 875 if (mac->mac_intrhand != NULL) { 876 bus_teardown_intr(dev, mac->mac_res_irq, mac->mac_intrhand); 877 mac->mac_intrhand = NULL; 878 } 879 880 bhnd_release_pmu(dev); 881 bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_mem_rid, 882 sc->sc_mem_res); 883 bus_release_resource(dev, SYS_RES_IRQ, mac->mac_rid_irq, 884 mac->mac_res_irq); 885 mbufq_drain(&sc->sc_snd); 886 bwn_release_firmware(mac); 887 BWN_LOCK_DESTROY(sc); 888 889 bwn_release_bus_providers(sc); 890 891 return (0); 892 } 893 894 static void 895 bwn_attach_pre(struct bwn_softc *sc) 896 { 897 898 BWN_LOCK_INIT(sc); 899 TAILQ_INIT(&sc->sc_maclist); 900 callout_init_mtx(&sc->sc_rfswitch_ch, &sc->sc_mtx, 0); 901 callout_init_mtx(&sc->sc_task_ch, &sc->sc_mtx, 0); 902 callout_init_mtx(&sc->sc_watchdog_ch, &sc->sc_mtx, 0); 903 mbufq_init(&sc->sc_snd, ifqmaxlen); 904 sc->sc_tq = taskqueue_create_fast("bwn_taskq", M_NOWAIT, 905 taskqueue_thread_enqueue, &sc->sc_tq); 906 taskqueue_start_threads(&sc->sc_tq, 1, PI_NET, 907 "%s taskq", device_get_nameunit(sc->sc_dev)); 908 } 909 910 static void 911 bwn_sprom_bugfixes(device_t dev) 912 { 913 struct bwn_softc *sc = device_get_softc(dev); 914 915 #define BWN_ISDEV(_device, _subvendor, _subdevice) \ 916 ((sc->sc_board_info.board_devid == PCI_DEVID_##_device) && \ 917 (sc->sc_board_info.board_vendor == PCI_VENDOR_##_subvendor) && \ 918 (sc->sc_board_info.board_type == _subdevice)) 919 920 /* A subset of Apple Airport Extreme (BCM4306 rev 2) devices 921 * were programmed with a missing PACTRL boardflag */ 922 if (sc->sc_board_info.board_vendor == PCI_VENDOR_APPLE && 923 sc->sc_board_info.board_type == 0x4e && 924 sc->sc_board_info.board_rev > 0x40) 925 sc->sc_board_info.board_flags |= BHND_BFL_PACTRL; 926 927 if (BWN_ISDEV(BCM4318_D11G, ASUSTEK, 0x100f) || 928 BWN_ISDEV(BCM4306_D11G, DELL, 0x0003) || 929 BWN_ISDEV(BCM4306_D11G, HP, 0x12f8) || 930 BWN_ISDEV(BCM4306_D11G, LINKSYS, 0x0013) || 931 BWN_ISDEV(BCM4306_D11G, LINKSYS, 0x0014) || 932 BWN_ISDEV(BCM4306_D11G, LINKSYS, 0x0015) || 933 BWN_ISDEV(BCM4306_D11G, MOTOROLA, 0x7010)) 934 sc->sc_board_info.board_flags &= ~BHND_BFL_BTCOEX; 935 #undef BWN_ISDEV 936 } 937 938 static void 939 bwn_parent(struct ieee80211com *ic) 940 { 941 struct bwn_softc *sc = ic->ic_softc; 942 int startall = 0; 943 944 BWN_LOCK(sc); 945 if (ic->ic_nrunning > 0) { 946 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) { 947 bwn_init(sc); 948 startall = 1; 949 } else 950 bwn_update_promisc(ic); 951 } else if (sc->sc_flags & BWN_FLAG_RUNNING) 952 bwn_stop(sc); 953 BWN_UNLOCK(sc); 954 955 if (startall) 956 ieee80211_start_all(ic); 957 } 958 959 static int 960 bwn_transmit(struct ieee80211com *ic, struct mbuf *m) 961 { 962 struct bwn_softc *sc = ic->ic_softc; 963 int error; 964 965 BWN_LOCK(sc); 966 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) { 967 BWN_UNLOCK(sc); 968 return (ENXIO); 969 } 970 error = mbufq_enqueue(&sc->sc_snd, m); 971 if (error) { 972 BWN_UNLOCK(sc); 973 return (error); 974 } 975 bwn_start(sc); 976 BWN_UNLOCK(sc); 977 return (0); 978 } 979 980 static void 981 bwn_start(struct bwn_softc *sc) 982 { 983 struct bwn_mac *mac = sc->sc_curmac; 984 struct ieee80211_frame *wh; 985 struct ieee80211_node *ni; 986 struct ieee80211_key *k; 987 struct mbuf *m; 988 989 BWN_ASSERT_LOCKED(sc); 990 991 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0 || mac == NULL || 992 mac->mac_status < BWN_MAC_STATUS_STARTED) 993 return; 994 995 while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 996 if (bwn_tx_isfull(sc, m)) 997 break; 998 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 999 if (ni == NULL) { 1000 device_printf(sc->sc_dev, "unexpected NULL ni\n"); 1001 m_freem(m); 1002 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 1003 continue; 1004 } 1005 wh = mtod(m, struct ieee80211_frame *); 1006 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1007 k = ieee80211_crypto_encap(ni, m); 1008 if (k == NULL) { 1009 if_inc_counter(ni->ni_vap->iv_ifp, 1010 IFCOUNTER_OERRORS, 1); 1011 ieee80211_free_node(ni); 1012 m_freem(m); 1013 continue; 1014 } 1015 } 1016 wh = NULL; /* Catch any invalid use */ 1017 if (bwn_tx_start(sc, ni, m) != 0) { 1018 if (ni != NULL) { 1019 if_inc_counter(ni->ni_vap->iv_ifp, 1020 IFCOUNTER_OERRORS, 1); 1021 ieee80211_free_node(ni); 1022 } 1023 continue; 1024 } 1025 sc->sc_watchdog_timer = 5; 1026 } 1027 } 1028 1029 static int 1030 bwn_tx_isfull(struct bwn_softc *sc, struct mbuf *m) 1031 { 1032 struct bwn_dma_ring *dr; 1033 struct bwn_mac *mac = sc->sc_curmac; 1034 struct bwn_pio_txqueue *tq; 1035 int pktlen = roundup(m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 1036 1037 BWN_ASSERT_LOCKED(sc); 1038 1039 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 1040 dr = bwn_dma_select(mac, M_WME_GETAC(m)); 1041 if (dr->dr_stop == 1 || 1042 bwn_dma_freeslot(dr) < BWN_TX_SLOTS_PER_FRAME) { 1043 dr->dr_stop = 1; 1044 goto full; 1045 } 1046 } else { 1047 tq = bwn_pio_select(mac, M_WME_GETAC(m)); 1048 if (tq->tq_free == 0 || pktlen > tq->tq_size || 1049 pktlen > (tq->tq_size - tq->tq_used)) 1050 goto full; 1051 } 1052 return (0); 1053 full: 1054 mbufq_prepend(&sc->sc_snd, m); 1055 return (1); 1056 } 1057 1058 static int 1059 bwn_tx_start(struct bwn_softc *sc, struct ieee80211_node *ni, struct mbuf *m) 1060 { 1061 struct bwn_mac *mac = sc->sc_curmac; 1062 int error; 1063 1064 BWN_ASSERT_LOCKED(sc); 1065 1066 if (m->m_pkthdr.len < IEEE80211_MIN_LEN || mac == NULL) { 1067 m_freem(m); 1068 return (ENXIO); 1069 } 1070 1071 error = (mac->mac_flags & BWN_MAC_FLAG_DMA) ? 1072 bwn_dma_tx_start(mac, ni, &m) : bwn_pio_tx_start(mac, ni, &m); 1073 if (error) { 1074 m_freem(m); 1075 return (error); 1076 } 1077 return (0); 1078 } 1079 1080 static int 1081 bwn_pio_tx_start(struct bwn_mac *mac, struct ieee80211_node *ni, 1082 struct mbuf **mp) 1083 { 1084 struct bwn_pio_txpkt *tp; 1085 struct bwn_pio_txqueue *tq; 1086 struct bwn_softc *sc = mac->mac_sc; 1087 struct bwn_txhdr txhdr; 1088 struct mbuf *m, *m_new; 1089 uint32_t ctl32; 1090 int error; 1091 uint16_t ctl16; 1092 1093 BWN_ASSERT_LOCKED(sc); 1094 1095 /* XXX TODO send packets after DTIM */ 1096 1097 m = *mp; 1098 tq = bwn_pio_select(mac, M_WME_GETAC(m)); 1099 KASSERT(!TAILQ_EMPTY(&tq->tq_pktlist), ("%s: fail", __func__)); 1100 tp = TAILQ_FIRST(&tq->tq_pktlist); 1101 tp->tp_ni = ni; 1102 tp->tp_m = m; 1103 1104 error = bwn_set_txhdr(mac, ni, m, &txhdr, BWN_PIO_COOKIE(tq, tp)); 1105 if (error) { 1106 device_printf(sc->sc_dev, "tx fail\n"); 1107 return (error); 1108 } 1109 1110 TAILQ_REMOVE(&tq->tq_pktlist, tp, tp_list); 1111 tq->tq_used += roundup(m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 1112 tq->tq_free--; 1113 1114 if (bhnd_get_hwrev(sc->sc_dev) >= 8) { 1115 /* 1116 * XXX please removes m_defrag(9) 1117 */ 1118 m_new = m_defrag(*mp, M_NOWAIT); 1119 if (m_new == NULL) { 1120 device_printf(sc->sc_dev, 1121 "%s: can't defrag TX buffer\n", 1122 __func__); 1123 return (ENOBUFS); 1124 } 1125 *mp = m_new; 1126 if (m_new->m_next != NULL) 1127 device_printf(sc->sc_dev, 1128 "TODO: fragmented packets for PIO\n"); 1129 tp->tp_m = m_new; 1130 1131 /* send HEADER */ 1132 ctl32 = bwn_pio_write_multi_4(mac, tq, 1133 (BWN_PIO_READ_4(mac, tq, BWN_PIO8_TXCTL) | 1134 BWN_PIO8_TXCTL_FRAMEREADY) & ~BWN_PIO8_TXCTL_EOF, 1135 (const uint8_t *)&txhdr, BWN_HDRSIZE(mac)); 1136 /* send BODY */ 1137 ctl32 = bwn_pio_write_multi_4(mac, tq, ctl32, 1138 mtod(m_new, const void *), m_new->m_pkthdr.len); 1139 bwn_pio_write_4(mac, tq, BWN_PIO_TXCTL, 1140 ctl32 | BWN_PIO8_TXCTL_EOF); 1141 } else { 1142 ctl16 = bwn_pio_write_multi_2(mac, tq, 1143 (bwn_pio_read_2(mac, tq, BWN_PIO_TXCTL) | 1144 BWN_PIO_TXCTL_FRAMEREADY) & ~BWN_PIO_TXCTL_EOF, 1145 (const uint8_t *)&txhdr, BWN_HDRSIZE(mac)); 1146 ctl16 = bwn_pio_write_mbuf_2(mac, tq, ctl16, m); 1147 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, 1148 ctl16 | BWN_PIO_TXCTL_EOF); 1149 } 1150 1151 return (0); 1152 } 1153 1154 static struct bwn_pio_txqueue * 1155 bwn_pio_select(struct bwn_mac *mac, uint8_t prio) 1156 { 1157 1158 if ((mac->mac_flags & BWN_MAC_FLAG_WME) == 0) 1159 return (&mac->mac_method.pio.wme[WME_AC_BE]); 1160 1161 switch (prio) { 1162 case 0: 1163 return (&mac->mac_method.pio.wme[WME_AC_BE]); 1164 case 1: 1165 return (&mac->mac_method.pio.wme[WME_AC_BK]); 1166 case 2: 1167 return (&mac->mac_method.pio.wme[WME_AC_VI]); 1168 case 3: 1169 return (&mac->mac_method.pio.wme[WME_AC_VO]); 1170 } 1171 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 1172 return (NULL); 1173 } 1174 1175 static int 1176 bwn_dma_tx_start(struct bwn_mac *mac, struct ieee80211_node *ni, 1177 struct mbuf **mp) 1178 { 1179 #define BWN_GET_TXHDRCACHE(slot) \ 1180 &(txhdr_cache[(slot / BWN_TX_SLOTS_PER_FRAME) * BWN_HDRSIZE(mac)]) 1181 struct bwn_dma *dma = &mac->mac_method.dma; 1182 struct bwn_dma_ring *dr = bwn_dma_select(mac, M_WME_GETAC(*mp)); 1183 struct bwn_dmadesc_generic *desc; 1184 struct bwn_dmadesc_meta *mt; 1185 struct bwn_softc *sc = mac->mac_sc; 1186 struct mbuf *m; 1187 uint8_t *txhdr_cache = (uint8_t *)dr->dr_txhdr_cache; 1188 int error, slot, backup[2] = { dr->dr_curslot, dr->dr_usedslot }; 1189 1190 BWN_ASSERT_LOCKED(sc); 1191 KASSERT(!dr->dr_stop, ("%s:%d: fail", __func__, __LINE__)); 1192 1193 /* XXX send after DTIM */ 1194 1195 m = *mp; 1196 slot = bwn_dma_getslot(dr); 1197 dr->getdesc(dr, slot, &desc, &mt); 1198 KASSERT(mt->mt_txtype == BWN_DMADESC_METATYPE_HEADER, 1199 ("%s:%d: fail", __func__, __LINE__)); 1200 1201 error = bwn_set_txhdr(dr->dr_mac, ni, m, 1202 (struct bwn_txhdr *)BWN_GET_TXHDRCACHE(slot), 1203 BWN_DMA_COOKIE(dr, slot)); 1204 if (error) 1205 goto fail; 1206 error = bus_dmamap_load(dr->dr_txring_dtag, mt->mt_dmap, 1207 BWN_GET_TXHDRCACHE(slot), BWN_HDRSIZE(mac), bwn_dma_ring_addr, 1208 &mt->mt_paddr, BUS_DMA_NOWAIT); 1209 if (error) { 1210 device_printf(sc->sc_dev, "%s: can't load TX buffer (1) %d\n", 1211 __func__, error); 1212 goto fail; 1213 } 1214 bus_dmamap_sync(dr->dr_txring_dtag, mt->mt_dmap, 1215 BUS_DMASYNC_PREWRITE); 1216 dr->setdesc(dr, desc, mt->mt_paddr, BWN_HDRSIZE(mac), 1, 0, 0); 1217 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 1218 BUS_DMASYNC_PREWRITE); 1219 1220 slot = bwn_dma_getslot(dr); 1221 dr->getdesc(dr, slot, &desc, &mt); 1222 KASSERT(mt->mt_txtype == BWN_DMADESC_METATYPE_BODY && 1223 mt->mt_islast == 1, ("%s:%d: fail", __func__, __LINE__)); 1224 mt->mt_m = m; 1225 mt->mt_ni = ni; 1226 1227 error = bus_dmamap_load_mbuf(dma->txbuf_dtag, mt->mt_dmap, m, 1228 bwn_dma_buf_addr, &mt->mt_paddr, BUS_DMA_NOWAIT); 1229 if (error && error != EFBIG) { 1230 device_printf(sc->sc_dev, "%s: can't load TX buffer (1) %d\n", 1231 __func__, error); 1232 goto fail; 1233 } 1234 if (error) { /* error == EFBIG */ 1235 struct mbuf *m_new; 1236 1237 m_new = m_defrag(m, M_NOWAIT); 1238 if (m_new == NULL) { 1239 device_printf(sc->sc_dev, 1240 "%s: can't defrag TX buffer\n", 1241 __func__); 1242 error = ENOBUFS; 1243 goto fail; 1244 } 1245 *mp = m = m_new; 1246 1247 mt->mt_m = m; 1248 error = bus_dmamap_load_mbuf(dma->txbuf_dtag, mt->mt_dmap, 1249 m, bwn_dma_buf_addr, &mt->mt_paddr, BUS_DMA_NOWAIT); 1250 if (error) { 1251 device_printf(sc->sc_dev, 1252 "%s: can't load TX buffer (2) %d\n", 1253 __func__, error); 1254 goto fail; 1255 } 1256 } 1257 bus_dmamap_sync(dma->txbuf_dtag, mt->mt_dmap, BUS_DMASYNC_PREWRITE); 1258 dr->setdesc(dr, desc, mt->mt_paddr, m->m_pkthdr.len, 0, 1, 1); 1259 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 1260 BUS_DMASYNC_PREWRITE); 1261 1262 /* XXX send after DTIM */ 1263 1264 dr->start_transfer(dr, bwn_dma_nextslot(dr, slot)); 1265 return (0); 1266 fail: 1267 dr->dr_curslot = backup[0]; 1268 dr->dr_usedslot = backup[1]; 1269 return (error); 1270 #undef BWN_GET_TXHDRCACHE 1271 } 1272 1273 static void 1274 bwn_watchdog(void *arg) 1275 { 1276 struct bwn_softc *sc = arg; 1277 1278 if (sc->sc_watchdog_timer != 0 && --sc->sc_watchdog_timer == 0) { 1279 device_printf(sc->sc_dev, "device timeout\n"); 1280 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 1281 } 1282 callout_schedule(&sc->sc_watchdog_ch, hz); 1283 } 1284 1285 static int 1286 bwn_attach_core(struct bwn_mac *mac) 1287 { 1288 struct bwn_softc *sc = mac->mac_sc; 1289 int error, have_bg = 0, have_a = 0; 1290 uint16_t iost; 1291 1292 KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 5, 1293 ("unsupported revision %d", bhnd_get_hwrev(sc->sc_dev))); 1294 1295 if ((error = bwn_core_forceclk(mac, true))) 1296 return (error); 1297 1298 if ((error = bhnd_read_iost(sc->sc_dev, &iost))) { 1299 device_printf(sc->sc_dev, "error reading I/O status flags: " 1300 "%d\n", error); 1301 return (error); 1302 } 1303 1304 have_a = (iost & BWN_IOST_HAVE_5GHZ) ? 1 : 0; 1305 have_bg = (iost & BWN_IOST_HAVE_2GHZ) ? 1 : 0; 1306 if (iost & BWN_IOST_DUALPHY) { 1307 have_bg = 1; 1308 have_a = 1; 1309 } 1310 1311 1312 #if 0 1313 device_printf(sc->sc_dev, "%s: iost=0x%04hx, have_a=%d, have_bg=%d," 1314 " deviceid=0x%04x, siba_deviceid=0x%04x\n", 1315 __func__, 1316 iost, 1317 have_a, 1318 have_bg, 1319 sc->sc_board_info.board_devid, 1320 sc->sc_cid.chip_id); 1321 #endif 1322 1323 /* 1324 * Guess at whether it has A-PHY or G-PHY. 1325 * This is just used for resetting the core to probe things; 1326 * we will re-guess once it's all up and working. 1327 */ 1328 error = bwn_reset_core(mac, have_bg); 1329 if (error) 1330 goto fail; 1331 1332 /* 1333 * Determine the DMA engine type 1334 */ 1335 if (iost & BHND_IOST_DMA64) { 1336 mac->mac_dmatype = BHND_DMA_ADDR_64BIT; 1337 } else { 1338 uint32_t tmp; 1339 uint16_t base; 1340 1341 base = bwn_dma_base(0, 0); 1342 BWN_WRITE_4(mac, base + BWN_DMA32_TXCTL, 1343 BWN_DMA32_TXADDREXT_MASK); 1344 tmp = BWN_READ_4(mac, base + BWN_DMA32_TXCTL); 1345 if (tmp & BWN_DMA32_TXADDREXT_MASK) { 1346 mac->mac_dmatype = BHND_DMA_ADDR_32BIT; 1347 } else { 1348 mac->mac_dmatype = BHND_DMA_ADDR_30BIT; 1349 } 1350 } 1351 1352 /* 1353 * Get the PHY version. 1354 */ 1355 error = bwn_phy_getinfo(mac, have_bg); 1356 if (error) 1357 goto fail; 1358 1359 /* 1360 * This is the whitelist of devices which we "believe" 1361 * the SPROM PHY config from. The rest are "guessed". 1362 */ 1363 if (sc->sc_board_info.board_devid != PCI_DEVID_BCM4311_D11DUAL && 1364 sc->sc_board_info.board_devid != PCI_DEVID_BCM4328_D11G && 1365 sc->sc_board_info.board_devid != PCI_DEVID_BCM4318_D11DUAL && 1366 sc->sc_board_info.board_devid != PCI_DEVID_BCM4306_D11DUAL && 1367 sc->sc_board_info.board_devid != PCI_DEVID_BCM4321_D11N && 1368 sc->sc_board_info.board_devid != PCI_DEVID_BCM4322_D11N) { 1369 have_a = have_bg = 0; 1370 if (mac->mac_phy.type == BWN_PHYTYPE_A) 1371 have_a = 1; 1372 else if (mac->mac_phy.type == BWN_PHYTYPE_G || 1373 mac->mac_phy.type == BWN_PHYTYPE_N || 1374 mac->mac_phy.type == BWN_PHYTYPE_LP) 1375 have_bg = 1; 1376 else 1377 KASSERT(0 == 1, ("%s: unknown phy type (%d)", __func__, 1378 mac->mac_phy.type)); 1379 } 1380 1381 /* 1382 * XXX The PHY-G support doesn't do 5GHz operation. 1383 */ 1384 if (mac->mac_phy.type != BWN_PHYTYPE_LP && 1385 mac->mac_phy.type != BWN_PHYTYPE_N) { 1386 device_printf(sc->sc_dev, 1387 "%s: forcing 2GHz only; no dual-band support for PHY\n", 1388 __func__); 1389 have_a = 0; 1390 have_bg = 1; 1391 } 1392 1393 mac->mac_phy.phy_n = NULL; 1394 1395 if (mac->mac_phy.type == BWN_PHYTYPE_G) { 1396 mac->mac_phy.attach = bwn_phy_g_attach; 1397 mac->mac_phy.detach = bwn_phy_g_detach; 1398 mac->mac_phy.prepare_hw = bwn_phy_g_prepare_hw; 1399 mac->mac_phy.init_pre = bwn_phy_g_init_pre; 1400 mac->mac_phy.init = bwn_phy_g_init; 1401 mac->mac_phy.exit = bwn_phy_g_exit; 1402 mac->mac_phy.phy_read = bwn_phy_g_read; 1403 mac->mac_phy.phy_write = bwn_phy_g_write; 1404 mac->mac_phy.rf_read = bwn_phy_g_rf_read; 1405 mac->mac_phy.rf_write = bwn_phy_g_rf_write; 1406 mac->mac_phy.use_hwpctl = bwn_phy_g_hwpctl; 1407 mac->mac_phy.rf_onoff = bwn_phy_g_rf_onoff; 1408 mac->mac_phy.switch_analog = bwn_phy_switch_analog; 1409 mac->mac_phy.switch_channel = bwn_phy_g_switch_channel; 1410 mac->mac_phy.get_default_chan = bwn_phy_g_get_default_chan; 1411 mac->mac_phy.set_antenna = bwn_phy_g_set_antenna; 1412 mac->mac_phy.set_im = bwn_phy_g_im; 1413 mac->mac_phy.recalc_txpwr = bwn_phy_g_recalc_txpwr; 1414 mac->mac_phy.set_txpwr = bwn_phy_g_set_txpwr; 1415 mac->mac_phy.task_15s = bwn_phy_g_task_15s; 1416 mac->mac_phy.task_60s = bwn_phy_g_task_60s; 1417 } else if (mac->mac_phy.type == BWN_PHYTYPE_LP) { 1418 mac->mac_phy.init_pre = bwn_phy_lp_init_pre; 1419 mac->mac_phy.init = bwn_phy_lp_init; 1420 mac->mac_phy.phy_read = bwn_phy_lp_read; 1421 mac->mac_phy.phy_write = bwn_phy_lp_write; 1422 mac->mac_phy.phy_maskset = bwn_phy_lp_maskset; 1423 mac->mac_phy.rf_read = bwn_phy_lp_rf_read; 1424 mac->mac_phy.rf_write = bwn_phy_lp_rf_write; 1425 mac->mac_phy.rf_onoff = bwn_phy_lp_rf_onoff; 1426 mac->mac_phy.switch_analog = bwn_phy_lp_switch_analog; 1427 mac->mac_phy.switch_channel = bwn_phy_lp_switch_channel; 1428 mac->mac_phy.get_default_chan = bwn_phy_lp_get_default_chan; 1429 mac->mac_phy.set_antenna = bwn_phy_lp_set_antenna; 1430 mac->mac_phy.task_60s = bwn_phy_lp_task_60s; 1431 } else if (mac->mac_phy.type == BWN_PHYTYPE_N) { 1432 mac->mac_phy.attach = bwn_phy_n_attach; 1433 mac->mac_phy.detach = bwn_phy_n_detach; 1434 mac->mac_phy.prepare_hw = bwn_phy_n_prepare_hw; 1435 mac->mac_phy.init_pre = bwn_phy_n_init_pre; 1436 mac->mac_phy.init = bwn_phy_n_init; 1437 mac->mac_phy.exit = bwn_phy_n_exit; 1438 mac->mac_phy.phy_read = bwn_phy_n_read; 1439 mac->mac_phy.phy_write = bwn_phy_n_write; 1440 mac->mac_phy.rf_read = bwn_phy_n_rf_read; 1441 mac->mac_phy.rf_write = bwn_phy_n_rf_write; 1442 mac->mac_phy.use_hwpctl = bwn_phy_n_hwpctl; 1443 mac->mac_phy.rf_onoff = bwn_phy_n_rf_onoff; 1444 mac->mac_phy.switch_analog = bwn_phy_n_switch_analog; 1445 mac->mac_phy.switch_channel = bwn_phy_n_switch_channel; 1446 mac->mac_phy.get_default_chan = bwn_phy_n_get_default_chan; 1447 mac->mac_phy.set_antenna = bwn_phy_n_set_antenna; 1448 mac->mac_phy.set_im = bwn_phy_n_im; 1449 mac->mac_phy.recalc_txpwr = bwn_phy_n_recalc_txpwr; 1450 mac->mac_phy.set_txpwr = bwn_phy_n_set_txpwr; 1451 mac->mac_phy.task_15s = bwn_phy_n_task_15s; 1452 mac->mac_phy.task_60s = bwn_phy_n_task_60s; 1453 } else { 1454 device_printf(sc->sc_dev, "unsupported PHY type (%d)\n", 1455 mac->mac_phy.type); 1456 error = ENXIO; 1457 goto fail; 1458 } 1459 1460 mac->mac_phy.gmode = have_bg; 1461 if (mac->mac_phy.attach != NULL) { 1462 error = mac->mac_phy.attach(mac); 1463 if (error) { 1464 device_printf(sc->sc_dev, "failed\n"); 1465 goto fail; 1466 } 1467 } 1468 1469 error = bwn_reset_core(mac, have_bg); 1470 if (error) 1471 goto fail; 1472 1473 error = bwn_chiptest(mac); 1474 if (error) 1475 goto fail; 1476 error = bwn_setup_channels(mac, have_bg, have_a); 1477 if (error) { 1478 device_printf(sc->sc_dev, "failed to setup channels\n"); 1479 goto fail; 1480 } 1481 1482 if (sc->sc_curmac == NULL) 1483 sc->sc_curmac = mac; 1484 1485 error = bwn_dma_attach(mac); 1486 if (error != 0) { 1487 device_printf(sc->sc_dev, "failed to initialize DMA\n"); 1488 goto fail; 1489 } 1490 1491 mac->mac_phy.switch_analog(mac, 0); 1492 1493 fail: 1494 bhnd_suspend_hw(sc->sc_dev, 0); 1495 bwn_release_firmware(mac); 1496 return (error); 1497 } 1498 1499 /* 1500 * Reset 1501 */ 1502 int 1503 bwn_reset_core(struct bwn_mac *mac, int g_mode) 1504 { 1505 struct bwn_softc *sc; 1506 uint32_t ctl; 1507 uint16_t ioctl, ioctl_mask; 1508 int error; 1509 1510 sc = mac->mac_sc; 1511 1512 DPRINTF(sc, BWN_DEBUG_RESET, "%s: g_mode=%d\n", __func__, g_mode); 1513 1514 /* Reset core */ 1515 ioctl = (BWN_IOCTL_PHYCLOCK_ENABLE | BWN_IOCTL_PHYRESET); 1516 if (g_mode) 1517 ioctl |= BWN_IOCTL_SUPPORT_G; 1518 1519 /* XXX N-PHY only; and hard-code to 20MHz for now */ 1520 if (mac->mac_phy.type == BWN_PHYTYPE_N) 1521 ioctl |= BWN_IOCTL_PHY_BANDWIDTH_20MHZ; 1522 1523 if ((error = bhnd_reset_hw(sc->sc_dev, ioctl, ioctl))) { 1524 device_printf(sc->sc_dev, "core reset failed: %d", error); 1525 return (error); 1526 } 1527 1528 DELAY(2000); 1529 1530 /* Take PHY out of reset */ 1531 ioctl = BHND_IOCTL_CLK_FORCE; 1532 ioctl_mask = BHND_IOCTL_CLK_FORCE | 1533 BWN_IOCTL_PHYRESET | 1534 BWN_IOCTL_PHYCLOCK_ENABLE; 1535 1536 if ((error = bhnd_write_ioctl(sc->sc_dev, ioctl, ioctl_mask))) { 1537 device_printf(sc->sc_dev, "failed to set core ioctl flags: " 1538 "%d\n", error); 1539 return (error); 1540 } 1541 1542 DELAY(2000); 1543 1544 ioctl = BWN_IOCTL_PHYCLOCK_ENABLE; 1545 if ((error = bhnd_write_ioctl(sc->sc_dev, ioctl, ioctl_mask))) { 1546 device_printf(sc->sc_dev, "failed to set core ioctl flags: " 1547 "%d\n", error); 1548 return (error); 1549 } 1550 1551 DELAY(2000); 1552 1553 if (mac->mac_phy.switch_analog != NULL) 1554 mac->mac_phy.switch_analog(mac, 1); 1555 1556 ctl = BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_GMODE; 1557 if (g_mode) 1558 ctl |= BWN_MACCTL_GMODE; 1559 BWN_WRITE_4(mac, BWN_MACCTL, ctl | BWN_MACCTL_IHR_ON); 1560 1561 return (0); 1562 } 1563 1564 static int 1565 bwn_phy_getinfo(struct bwn_mac *mac, int gmode) 1566 { 1567 struct bwn_phy *phy = &mac->mac_phy; 1568 struct bwn_softc *sc = mac->mac_sc; 1569 uint32_t tmp; 1570 1571 /* PHY */ 1572 tmp = BWN_READ_2(mac, BWN_PHYVER); 1573 phy->gmode = gmode; 1574 phy->rf_on = 1; 1575 phy->analog = (tmp & BWN_PHYVER_ANALOG) >> 12; 1576 phy->type = (tmp & BWN_PHYVER_TYPE) >> 8; 1577 phy->rev = (tmp & BWN_PHYVER_VERSION); 1578 if ((phy->type == BWN_PHYTYPE_A && phy->rev >= 4) || 1579 (phy->type == BWN_PHYTYPE_B && phy->rev != 2 && 1580 phy->rev != 4 && phy->rev != 6 && phy->rev != 7) || 1581 (phy->type == BWN_PHYTYPE_G && phy->rev > 9) || 1582 (phy->type == BWN_PHYTYPE_N && phy->rev > 6) || 1583 (phy->type == BWN_PHYTYPE_LP && phy->rev > 2)) 1584 goto unsupphy; 1585 1586 /* RADIO */ 1587 BWN_WRITE_2(mac, BWN_RFCTL, BWN_RFCTL_ID); 1588 tmp = BWN_READ_2(mac, BWN_RFDATALO); 1589 BWN_WRITE_2(mac, BWN_RFCTL, BWN_RFCTL_ID); 1590 tmp |= (uint32_t)BWN_READ_2(mac, BWN_RFDATAHI) << 16; 1591 1592 phy->rf_rev = (tmp & 0xf0000000) >> 28; 1593 phy->rf_ver = (tmp & 0x0ffff000) >> 12; 1594 phy->rf_manuf = (tmp & 0x00000fff); 1595 1596 /* 1597 * For now, just always do full init (ie, what bwn has traditionally 1598 * done) 1599 */ 1600 phy->phy_do_full_init = 1; 1601 1602 if (phy->rf_manuf != 0x17f) /* 0x17f is broadcom */ 1603 goto unsupradio; 1604 if ((phy->type == BWN_PHYTYPE_A && (phy->rf_ver != 0x2060 || 1605 phy->rf_rev != 1 || phy->rf_manuf != 0x17f)) || 1606 (phy->type == BWN_PHYTYPE_B && (phy->rf_ver & 0xfff0) != 0x2050) || 1607 (phy->type == BWN_PHYTYPE_G && phy->rf_ver != 0x2050) || 1608 (phy->type == BWN_PHYTYPE_N && 1609 phy->rf_ver != 0x2055 && phy->rf_ver != 0x2056) || 1610 (phy->type == BWN_PHYTYPE_LP && 1611 phy->rf_ver != 0x2062 && phy->rf_ver != 0x2063)) 1612 goto unsupradio; 1613 1614 return (0); 1615 unsupphy: 1616 device_printf(sc->sc_dev, "unsupported PHY (type %#x, rev %#x, " 1617 "analog %#x)\n", 1618 phy->type, phy->rev, phy->analog); 1619 return (ENXIO); 1620 unsupradio: 1621 device_printf(sc->sc_dev, "unsupported radio (manuf %#x, ver %#x, " 1622 "rev %#x)\n", 1623 phy->rf_manuf, phy->rf_ver, phy->rf_rev); 1624 return (ENXIO); 1625 } 1626 1627 static int 1628 bwn_chiptest(struct bwn_mac *mac) 1629 { 1630 #define TESTVAL0 0x55aaaa55 1631 #define TESTVAL1 0xaa5555aa 1632 struct bwn_softc *sc = mac->mac_sc; 1633 uint32_t v, backup; 1634 1635 BWN_LOCK(sc); 1636 1637 backup = bwn_shm_read_4(mac, BWN_SHARED, 0); 1638 1639 bwn_shm_write_4(mac, BWN_SHARED, 0, TESTVAL0); 1640 if (bwn_shm_read_4(mac, BWN_SHARED, 0) != TESTVAL0) 1641 goto error; 1642 bwn_shm_write_4(mac, BWN_SHARED, 0, TESTVAL1); 1643 if (bwn_shm_read_4(mac, BWN_SHARED, 0) != TESTVAL1) 1644 goto error; 1645 1646 bwn_shm_write_4(mac, BWN_SHARED, 0, backup); 1647 1648 if ((bhnd_get_hwrev(sc->sc_dev) >= 3) && 1649 (bhnd_get_hwrev(sc->sc_dev) <= 10)) { 1650 BWN_WRITE_2(mac, BWN_TSF_CFP_START, 0xaaaa); 1651 BWN_WRITE_4(mac, BWN_TSF_CFP_START, 0xccccbbbb); 1652 if (BWN_READ_2(mac, BWN_TSF_CFP_START_LOW) != 0xbbbb) 1653 goto error; 1654 if (BWN_READ_2(mac, BWN_TSF_CFP_START_HIGH) != 0xcccc) 1655 goto error; 1656 } 1657 BWN_WRITE_4(mac, BWN_TSF_CFP_START, 0); 1658 1659 v = BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_GMODE; 1660 if (v != (BWN_MACCTL_GMODE | BWN_MACCTL_IHR_ON)) 1661 goto error; 1662 1663 BWN_UNLOCK(sc); 1664 return (0); 1665 error: 1666 BWN_UNLOCK(sc); 1667 device_printf(sc->sc_dev, "failed to validate the chipaccess\n"); 1668 return (ENODEV); 1669 } 1670 1671 static int 1672 bwn_setup_channels(struct bwn_mac *mac, int have_bg, int have_a) 1673 { 1674 struct bwn_softc *sc = mac->mac_sc; 1675 struct ieee80211com *ic = &sc->sc_ic; 1676 uint8_t bands[IEEE80211_MODE_BYTES]; 1677 1678 memset(ic->ic_channels, 0, sizeof(ic->ic_channels)); 1679 ic->ic_nchans = 0; 1680 1681 DPRINTF(sc, BWN_DEBUG_EEPROM, "%s: called; bg=%d, a=%d\n", 1682 __func__, 1683 have_bg, 1684 have_a); 1685 1686 if (have_bg) { 1687 memset(bands, 0, sizeof(bands)); 1688 setbit(bands, IEEE80211_MODE_11B); 1689 setbit(bands, IEEE80211_MODE_11G); 1690 bwn_addchannels(ic->ic_channels, IEEE80211_CHAN_MAX, 1691 &ic->ic_nchans, &bwn_chantable_bg, bands); 1692 } 1693 1694 if (have_a) { 1695 memset(bands, 0, sizeof(bands)); 1696 setbit(bands, IEEE80211_MODE_11A); 1697 bwn_addchannels(ic->ic_channels, IEEE80211_CHAN_MAX, 1698 &ic->ic_nchans, &bwn_chantable_a, bands); 1699 } 1700 1701 mac->mac_phy.supports_2ghz = have_bg; 1702 mac->mac_phy.supports_5ghz = have_a; 1703 1704 return (ic->ic_nchans == 0 ? ENXIO : 0); 1705 } 1706 1707 uint32_t 1708 bwn_shm_read_4(struct bwn_mac *mac, uint16_t way, uint16_t offset) 1709 { 1710 uint32_t ret; 1711 1712 BWN_ASSERT_LOCKED(mac->mac_sc); 1713 1714 if (way == BWN_SHARED) { 1715 KASSERT((offset & 0x0001) == 0, 1716 ("%s:%d warn", __func__, __LINE__)); 1717 if (offset & 0x0003) { 1718 bwn_shm_ctlword(mac, way, offset >> 2); 1719 ret = BWN_READ_2(mac, BWN_SHM_DATA_UNALIGNED); 1720 ret <<= 16; 1721 bwn_shm_ctlword(mac, way, (offset >> 2) + 1); 1722 ret |= BWN_READ_2(mac, BWN_SHM_DATA); 1723 goto out; 1724 } 1725 offset >>= 2; 1726 } 1727 bwn_shm_ctlword(mac, way, offset); 1728 ret = BWN_READ_4(mac, BWN_SHM_DATA); 1729 out: 1730 return (ret); 1731 } 1732 1733 uint16_t 1734 bwn_shm_read_2(struct bwn_mac *mac, uint16_t way, uint16_t offset) 1735 { 1736 uint16_t ret; 1737 1738 BWN_ASSERT_LOCKED(mac->mac_sc); 1739 1740 if (way == BWN_SHARED) { 1741 KASSERT((offset & 0x0001) == 0, 1742 ("%s:%d warn", __func__, __LINE__)); 1743 if (offset & 0x0003) { 1744 bwn_shm_ctlword(mac, way, offset >> 2); 1745 ret = BWN_READ_2(mac, BWN_SHM_DATA_UNALIGNED); 1746 goto out; 1747 } 1748 offset >>= 2; 1749 } 1750 bwn_shm_ctlword(mac, way, offset); 1751 ret = BWN_READ_2(mac, BWN_SHM_DATA); 1752 out: 1753 1754 return (ret); 1755 } 1756 1757 static void 1758 bwn_shm_ctlword(struct bwn_mac *mac, uint16_t way, 1759 uint16_t offset) 1760 { 1761 uint32_t control; 1762 1763 control = way; 1764 control <<= 16; 1765 control |= offset; 1766 BWN_WRITE_4(mac, BWN_SHM_CONTROL, control); 1767 } 1768 1769 void 1770 bwn_shm_write_4(struct bwn_mac *mac, uint16_t way, uint16_t offset, 1771 uint32_t value) 1772 { 1773 BWN_ASSERT_LOCKED(mac->mac_sc); 1774 1775 if (way == BWN_SHARED) { 1776 KASSERT((offset & 0x0001) == 0, 1777 ("%s:%d warn", __func__, __LINE__)); 1778 if (offset & 0x0003) { 1779 bwn_shm_ctlword(mac, way, offset >> 2); 1780 BWN_WRITE_2(mac, BWN_SHM_DATA_UNALIGNED, 1781 (value >> 16) & 0xffff); 1782 bwn_shm_ctlword(mac, way, (offset >> 2) + 1); 1783 BWN_WRITE_2(mac, BWN_SHM_DATA, value & 0xffff); 1784 return; 1785 } 1786 offset >>= 2; 1787 } 1788 bwn_shm_ctlword(mac, way, offset); 1789 BWN_WRITE_4(mac, BWN_SHM_DATA, value); 1790 } 1791 1792 void 1793 bwn_shm_write_2(struct bwn_mac *mac, uint16_t way, uint16_t offset, 1794 uint16_t value) 1795 { 1796 BWN_ASSERT_LOCKED(mac->mac_sc); 1797 1798 if (way == BWN_SHARED) { 1799 KASSERT((offset & 0x0001) == 0, 1800 ("%s:%d warn", __func__, __LINE__)); 1801 if (offset & 0x0003) { 1802 bwn_shm_ctlword(mac, way, offset >> 2); 1803 BWN_WRITE_2(mac, BWN_SHM_DATA_UNALIGNED, value); 1804 return; 1805 } 1806 offset >>= 2; 1807 } 1808 bwn_shm_ctlword(mac, way, offset); 1809 BWN_WRITE_2(mac, BWN_SHM_DATA, value); 1810 } 1811 1812 static void 1813 bwn_addchannels(struct ieee80211_channel chans[], int maxchans, int *nchans, 1814 const struct bwn_channelinfo *ci, const uint8_t bands[]) 1815 { 1816 int i, error; 1817 1818 for (i = 0, error = 0; i < ci->nchannels && error == 0; i++) { 1819 const struct bwn_channel *hc = &ci->channels[i]; 1820 1821 error = ieee80211_add_channel(chans, maxchans, nchans, 1822 hc->ieee, hc->freq, hc->maxTxPow, 0, bands); 1823 } 1824 } 1825 1826 static int 1827 bwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1828 const struct ieee80211_bpf_params *params) 1829 { 1830 struct ieee80211com *ic = ni->ni_ic; 1831 struct bwn_softc *sc = ic->ic_softc; 1832 struct bwn_mac *mac = sc->sc_curmac; 1833 int error; 1834 1835 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0 || 1836 mac->mac_status < BWN_MAC_STATUS_STARTED) { 1837 m_freem(m); 1838 return (ENETDOWN); 1839 } 1840 1841 BWN_LOCK(sc); 1842 if (bwn_tx_isfull(sc, m)) { 1843 m_freem(m); 1844 BWN_UNLOCK(sc); 1845 return (ENOBUFS); 1846 } 1847 1848 error = bwn_tx_start(sc, ni, m); 1849 if (error == 0) 1850 sc->sc_watchdog_timer = 5; 1851 BWN_UNLOCK(sc); 1852 return (error); 1853 } 1854 1855 /* 1856 * Callback from the 802.11 layer to update the slot time 1857 * based on the current setting. We use it to notify the 1858 * firmware of ERP changes and the f/w takes care of things 1859 * like slot time and preamble. 1860 */ 1861 static void 1862 bwn_updateslot(struct ieee80211com *ic) 1863 { 1864 struct bwn_softc *sc = ic->ic_softc; 1865 struct bwn_mac *mac; 1866 1867 BWN_LOCK(sc); 1868 if (sc->sc_flags & BWN_FLAG_RUNNING) { 1869 mac = (struct bwn_mac *)sc->sc_curmac; 1870 bwn_set_slot_time(mac, IEEE80211_GET_SLOTTIME(ic)); 1871 } 1872 BWN_UNLOCK(sc); 1873 } 1874 1875 /* 1876 * Callback from the 802.11 layer after a promiscuous mode change. 1877 * Note this interface does not check the operating mode as this 1878 * is an internal callback and we are expected to honor the current 1879 * state (e.g. this is used for setting the interface in promiscuous 1880 * mode when operating in hostap mode to do ACS). 1881 */ 1882 static void 1883 bwn_update_promisc(struct ieee80211com *ic) 1884 { 1885 struct bwn_softc *sc = ic->ic_softc; 1886 struct bwn_mac *mac = sc->sc_curmac; 1887 1888 BWN_LOCK(sc); 1889 mac = sc->sc_curmac; 1890 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1891 if (ic->ic_promisc > 0) 1892 sc->sc_filters |= BWN_MACCTL_PROMISC; 1893 else 1894 sc->sc_filters &= ~BWN_MACCTL_PROMISC; 1895 bwn_set_opmode(mac); 1896 } 1897 BWN_UNLOCK(sc); 1898 } 1899 1900 /* 1901 * Callback from the 802.11 layer to update WME parameters. 1902 */ 1903 static int 1904 bwn_wme_update(struct ieee80211com *ic) 1905 { 1906 struct bwn_softc *sc = ic->ic_softc; 1907 struct bwn_mac *mac = sc->sc_curmac; 1908 struct chanAccParams chp; 1909 struct wmeParams *wmep; 1910 int i; 1911 1912 ieee80211_wme_ic_getparams(ic, &chp); 1913 1914 BWN_LOCK(sc); 1915 mac = sc->sc_curmac; 1916 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1917 bwn_mac_suspend(mac); 1918 for (i = 0; i < N(sc->sc_wmeParams); i++) { 1919 wmep = &chp.cap_wmeParams[i]; 1920 bwn_wme_loadparams(mac, wmep, bwn_wme_shm_offsets[i]); 1921 } 1922 bwn_mac_enable(mac); 1923 } 1924 BWN_UNLOCK(sc); 1925 return (0); 1926 } 1927 1928 static void 1929 bwn_scan_start(struct ieee80211com *ic) 1930 { 1931 struct bwn_softc *sc = ic->ic_softc; 1932 struct bwn_mac *mac; 1933 1934 BWN_LOCK(sc); 1935 mac = sc->sc_curmac; 1936 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1937 sc->sc_filters |= BWN_MACCTL_BEACON_PROMISC; 1938 bwn_set_opmode(mac); 1939 /* disable CFP update during scan */ 1940 bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_SKIP_CFP_UPDATE); 1941 } 1942 BWN_UNLOCK(sc); 1943 } 1944 1945 static void 1946 bwn_scan_end(struct ieee80211com *ic) 1947 { 1948 struct bwn_softc *sc = ic->ic_softc; 1949 struct bwn_mac *mac; 1950 1951 BWN_LOCK(sc); 1952 mac = sc->sc_curmac; 1953 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1954 sc->sc_filters &= ~BWN_MACCTL_BEACON_PROMISC; 1955 bwn_set_opmode(mac); 1956 bwn_hf_write(mac, bwn_hf_read(mac) & ~BWN_HF_SKIP_CFP_UPDATE); 1957 } 1958 BWN_UNLOCK(sc); 1959 } 1960 1961 static void 1962 bwn_set_channel(struct ieee80211com *ic) 1963 { 1964 struct bwn_softc *sc = ic->ic_softc; 1965 struct bwn_mac *mac = sc->sc_curmac; 1966 struct bwn_phy *phy = &mac->mac_phy; 1967 int chan, error; 1968 1969 BWN_LOCK(sc); 1970 1971 error = bwn_switch_band(sc, ic->ic_curchan); 1972 if (error) 1973 goto fail; 1974 bwn_mac_suspend(mac); 1975 bwn_set_txretry(mac, BWN_RETRY_SHORT, BWN_RETRY_LONG); 1976 chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 1977 if (chan != phy->chan) 1978 bwn_switch_channel(mac, chan); 1979 1980 /* TX power level */ 1981 if (ic->ic_curchan->ic_maxpower != 0 && 1982 ic->ic_curchan->ic_maxpower != phy->txpower) { 1983 phy->txpower = ic->ic_curchan->ic_maxpower / 2; 1984 bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME | 1985 BWN_TXPWR_IGNORE_TSSI); 1986 } 1987 1988 bwn_set_txantenna(mac, BWN_ANT_DEFAULT); 1989 if (phy->set_antenna) 1990 phy->set_antenna(mac, BWN_ANT_DEFAULT); 1991 1992 if (sc->sc_rf_enabled != phy->rf_on) { 1993 if (sc->sc_rf_enabled) { 1994 bwn_rf_turnon(mac); 1995 if (!(mac->mac_flags & BWN_MAC_FLAG_RADIO_ON)) 1996 device_printf(sc->sc_dev, 1997 "please turn on the RF switch\n"); 1998 } else 1999 bwn_rf_turnoff(mac); 2000 } 2001 2002 bwn_mac_enable(mac); 2003 2004 fail: 2005 BWN_UNLOCK(sc); 2006 } 2007 2008 static struct ieee80211vap * 2009 bwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 2010 enum ieee80211_opmode opmode, int flags, 2011 const uint8_t bssid[IEEE80211_ADDR_LEN], 2012 const uint8_t mac[IEEE80211_ADDR_LEN]) 2013 { 2014 struct ieee80211vap *vap; 2015 struct bwn_vap *bvp; 2016 2017 switch (opmode) { 2018 case IEEE80211_M_HOSTAP: 2019 case IEEE80211_M_MBSS: 2020 case IEEE80211_M_STA: 2021 case IEEE80211_M_WDS: 2022 case IEEE80211_M_MONITOR: 2023 case IEEE80211_M_IBSS: 2024 case IEEE80211_M_AHDEMO: 2025 break; 2026 default: 2027 return (NULL); 2028 } 2029 2030 bvp = malloc(sizeof(struct bwn_vap), M_80211_VAP, M_WAITOK | M_ZERO); 2031 vap = &bvp->bv_vap; 2032 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 2033 /* override with driver methods */ 2034 bvp->bv_newstate = vap->iv_newstate; 2035 vap->iv_newstate = bwn_newstate; 2036 2037 /* override max aid so sta's cannot assoc when we're out of sta id's */ 2038 vap->iv_max_aid = BWN_STAID_MAX; 2039 2040 ieee80211_ratectl_init(vap); 2041 2042 /* complete setup */ 2043 ieee80211_vap_attach(vap, ieee80211_media_change, 2044 ieee80211_media_status, mac); 2045 return (vap); 2046 } 2047 2048 static void 2049 bwn_vap_delete(struct ieee80211vap *vap) 2050 { 2051 struct bwn_vap *bvp = BWN_VAP(vap); 2052 2053 ieee80211_ratectl_deinit(vap); 2054 ieee80211_vap_detach(vap); 2055 free(bvp, M_80211_VAP); 2056 } 2057 2058 static int 2059 bwn_init(struct bwn_softc *sc) 2060 { 2061 struct bwn_mac *mac; 2062 int error; 2063 2064 BWN_ASSERT_LOCKED(sc); 2065 2066 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2067 2068 bzero(sc->sc_bssid, IEEE80211_ADDR_LEN); 2069 sc->sc_flags |= BWN_FLAG_NEED_BEACON_TP; 2070 sc->sc_filters = 0; 2071 bwn_wme_clear(sc); 2072 sc->sc_beacons[0] = sc->sc_beacons[1] = 0; 2073 sc->sc_rf_enabled = 1; 2074 2075 mac = sc->sc_curmac; 2076 if (mac->mac_status == BWN_MAC_STATUS_UNINIT) { 2077 error = bwn_core_init(mac); 2078 if (error != 0) 2079 return (error); 2080 } 2081 if (mac->mac_status == BWN_MAC_STATUS_INITED) 2082 bwn_core_start(mac); 2083 2084 bwn_set_opmode(mac); 2085 bwn_set_pretbtt(mac); 2086 bwn_spu_setdelay(mac, 0); 2087 bwn_set_macaddr(mac); 2088 2089 sc->sc_flags |= BWN_FLAG_RUNNING; 2090 callout_reset(&sc->sc_rfswitch_ch, hz, bwn_rfswitch, sc); 2091 callout_reset(&sc->sc_watchdog_ch, hz, bwn_watchdog, sc); 2092 2093 return (0); 2094 } 2095 2096 static void 2097 bwn_stop(struct bwn_softc *sc) 2098 { 2099 struct bwn_mac *mac = sc->sc_curmac; 2100 2101 BWN_ASSERT_LOCKED(sc); 2102 2103 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2104 2105 if (mac->mac_status >= BWN_MAC_STATUS_INITED) { 2106 /* XXX FIXME opmode not based on VAP */ 2107 bwn_set_opmode(mac); 2108 bwn_set_macaddr(mac); 2109 } 2110 2111 if (mac->mac_status >= BWN_MAC_STATUS_STARTED) 2112 bwn_core_stop(mac); 2113 2114 callout_stop(&sc->sc_led_blink_ch); 2115 sc->sc_led_blinking = 0; 2116 2117 bwn_core_exit(mac); 2118 sc->sc_rf_enabled = 0; 2119 2120 sc->sc_flags &= ~BWN_FLAG_RUNNING; 2121 } 2122 2123 static void 2124 bwn_wme_clear(struct bwn_softc *sc) 2125 { 2126 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 2127 struct wmeParams *p; 2128 unsigned int i; 2129 2130 KASSERT(N(bwn_wme_shm_offsets) == N(sc->sc_wmeParams), 2131 ("%s:%d: fail", __func__, __LINE__)); 2132 2133 for (i = 0; i < N(sc->sc_wmeParams); i++) { 2134 p = &(sc->sc_wmeParams[i]); 2135 2136 switch (bwn_wme_shm_offsets[i]) { 2137 case BWN_WME_VOICE: 2138 p->wmep_txopLimit = 0; 2139 p->wmep_aifsn = 2; 2140 /* XXX FIXME: log2(cwmin) */ 2141 p->wmep_logcwmin = MS(0x0001, WME_PARAM_LOGCWMIN); 2142 p->wmep_logcwmax = MS(0x0001, WME_PARAM_LOGCWMAX); 2143 break; 2144 case BWN_WME_VIDEO: 2145 p->wmep_txopLimit = 0; 2146 p->wmep_aifsn = 2; 2147 /* XXX FIXME: log2(cwmin) */ 2148 p->wmep_logcwmin = MS(0x0001, WME_PARAM_LOGCWMIN); 2149 p->wmep_logcwmax = MS(0x0001, WME_PARAM_LOGCWMAX); 2150 break; 2151 case BWN_WME_BESTEFFORT: 2152 p->wmep_txopLimit = 0; 2153 p->wmep_aifsn = 3; 2154 /* XXX FIXME: log2(cwmin) */ 2155 p->wmep_logcwmin = MS(0x0001, WME_PARAM_LOGCWMIN); 2156 p->wmep_logcwmax = MS(0x03ff, WME_PARAM_LOGCWMAX); 2157 break; 2158 case BWN_WME_BACKGROUND: 2159 p->wmep_txopLimit = 0; 2160 p->wmep_aifsn = 7; 2161 /* XXX FIXME: log2(cwmin) */ 2162 p->wmep_logcwmin = MS(0x0001, WME_PARAM_LOGCWMIN); 2163 p->wmep_logcwmax = MS(0x03ff, WME_PARAM_LOGCWMAX); 2164 break; 2165 default: 2166 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2167 } 2168 } 2169 } 2170 2171 static int 2172 bwn_core_forceclk(struct bwn_mac *mac, bool force) 2173 { 2174 struct bwn_softc *sc; 2175 bhnd_clock clock; 2176 int error; 2177 2178 sc = mac->mac_sc; 2179 2180 /* On PMU equipped devices, we do not need to force the HT clock */ 2181 if (sc->sc_pmu != NULL) 2182 return (0); 2183 2184 /* Issue a PMU clock request */ 2185 if (force) 2186 clock = BHND_CLOCK_HT; 2187 else 2188 clock = BHND_CLOCK_DYN; 2189 2190 if ((error = bhnd_request_clock(sc->sc_dev, clock))) { 2191 device_printf(sc->sc_dev, "%d clock request failed: %d\n", 2192 clock, error); 2193 return (error); 2194 } 2195 2196 return (0); 2197 } 2198 2199 static int 2200 bwn_core_init(struct bwn_mac *mac) 2201 { 2202 struct bwn_softc *sc = mac->mac_sc; 2203 uint64_t hf; 2204 int error; 2205 2206 KASSERT(mac->mac_status == BWN_MAC_STATUS_UNINIT, 2207 ("%s:%d: fail", __func__, __LINE__)); 2208 2209 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2210 2211 if ((error = bwn_core_forceclk(mac, true))) 2212 return (error); 2213 2214 if (bhnd_is_hw_suspended(sc->sc_dev)) { 2215 if ((error = bwn_reset_core(mac, mac->mac_phy.gmode))) 2216 goto fail0; 2217 } 2218 2219 mac->mac_flags &= ~BWN_MAC_FLAG_DFQVALID; 2220 mac->mac_flags |= BWN_MAC_FLAG_RADIO_ON; 2221 mac->mac_phy.hwpctl = (bwn_hwpctl) ? 1 : 0; 2222 BWN_GETTIME(mac->mac_phy.nexttime); 2223 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 2224 bzero(&mac->mac_stats, sizeof(mac->mac_stats)); 2225 mac->mac_stats.link_noise = -95; 2226 mac->mac_reason_intr = 0; 2227 bzero(mac->mac_reason, sizeof(mac->mac_reason)); 2228 mac->mac_intr_mask = BWN_INTR_MASKTEMPLATE; 2229 #ifdef BWN_DEBUG 2230 if (sc->sc_debug & BWN_DEBUG_XMIT) 2231 mac->mac_intr_mask &= ~BWN_INTR_PHY_TXERR; 2232 #endif 2233 mac->mac_suspended = 1; 2234 mac->mac_task_state = 0; 2235 memset(&mac->mac_noise, 0, sizeof(mac->mac_noise)); 2236 2237 mac->mac_phy.init_pre(mac); 2238 2239 bwn_bt_disable(mac); 2240 if (mac->mac_phy.prepare_hw) { 2241 error = mac->mac_phy.prepare_hw(mac); 2242 if (error) 2243 goto fail0; 2244 } 2245 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: chip_init\n", __func__); 2246 error = bwn_chip_init(mac); 2247 if (error) 2248 goto fail0; 2249 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_COREREV, 2250 bhnd_get_hwrev(sc->sc_dev)); 2251 hf = bwn_hf_read(mac); 2252 if (mac->mac_phy.type == BWN_PHYTYPE_G) { 2253 hf |= BWN_HF_GPHY_SYM_WORKAROUND; 2254 if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL) 2255 hf |= BWN_HF_PAGAINBOOST_OFDM_ON; 2256 if (mac->mac_phy.rev == 1) 2257 hf |= BWN_HF_GPHY_DC_CANCELFILTER; 2258 } 2259 if (mac->mac_phy.rf_ver == 0x2050) { 2260 if (mac->mac_phy.rf_rev < 6) 2261 hf |= BWN_HF_FORCE_VCO_RECALC; 2262 if (mac->mac_phy.rf_rev == 6) 2263 hf |= BWN_HF_4318_TSSI; 2264 } 2265 if (sc->sc_board_info.board_flags & BHND_BFL_NOPLLDOWN) 2266 hf |= BWN_HF_SLOWCLOCK_REQ_OFF; 2267 if (sc->sc_quirks & BWN_QUIRK_UCODE_SLOWCLOCK_WAR) 2268 hf |= BWN_HF_PCI_SLOWCLOCK_WORKAROUND; 2269 hf &= ~BWN_HF_SKIP_CFP_UPDATE; 2270 bwn_hf_write(mac, hf); 2271 2272 /* Tell the firmware about the MAC capabilities */ 2273 if (bhnd_get_hwrev(sc->sc_dev) >= 13) { 2274 uint32_t cap; 2275 cap = BWN_READ_4(mac, BWN_MAC_HW_CAP); 2276 DPRINTF(sc, BWN_DEBUG_RESET, 2277 "%s: hw capabilities: 0x%08x\n", 2278 __func__, cap); 2279 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_MACHW_L, 2280 cap & 0xffff); 2281 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_MACHW_H, 2282 (cap >> 16) & 0xffff); 2283 } 2284 2285 bwn_set_txretry(mac, BWN_RETRY_SHORT, BWN_RETRY_LONG); 2286 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_SHORT_RETRY_FALLBACK, 3); 2287 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_LONG_RETRY_FALLBACK, 2); 2288 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_MAXTIME, 1); 2289 2290 bwn_rate_init(mac); 2291 bwn_set_phytxctl(mac); 2292 2293 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_CONT_MIN, 2294 (mac->mac_phy.type == BWN_PHYTYPE_B) ? 0x1f : 0xf); 2295 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_CONT_MAX, 0x3ff); 2296 2297 if (sc->sc_quirks & BWN_QUIRK_NODMA) 2298 bwn_pio_init(mac); 2299 else 2300 bwn_dma_init(mac); 2301 bwn_wme_init(mac); 2302 bwn_spu_setdelay(mac, 1); 2303 bwn_bt_enable(mac); 2304 2305 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: powerup\n", __func__); 2306 if (sc->sc_board_info.board_flags & BHND_BFL_NOPLLDOWN) 2307 bwn_core_forceclk(mac, true); 2308 else 2309 bwn_core_forceclk(mac, false); 2310 2311 bwn_set_macaddr(mac); 2312 bwn_crypt_init(mac); 2313 2314 /* XXX LED initializatin */ 2315 2316 mac->mac_status = BWN_MAC_STATUS_INITED; 2317 2318 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: done\n", __func__); 2319 return (error); 2320 2321 fail0: 2322 bhnd_suspend_hw(sc->sc_dev, 0); 2323 KASSERT(mac->mac_status == BWN_MAC_STATUS_UNINIT, 2324 ("%s:%d: fail", __func__, __LINE__)); 2325 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: fail\n", __func__); 2326 return (error); 2327 } 2328 2329 static void 2330 bwn_core_start(struct bwn_mac *mac) 2331 { 2332 struct bwn_softc *sc = mac->mac_sc; 2333 uint32_t tmp; 2334 2335 KASSERT(mac->mac_status == BWN_MAC_STATUS_INITED, 2336 ("%s:%d: fail", __func__, __LINE__)); 2337 2338 if (bhnd_get_hwrev(sc->sc_dev) < 5) 2339 return; 2340 2341 while (1) { 2342 tmp = BWN_READ_4(mac, BWN_XMITSTAT_0); 2343 if (!(tmp & 0x00000001)) 2344 break; 2345 tmp = BWN_READ_4(mac, BWN_XMITSTAT_1); 2346 } 2347 2348 bwn_mac_enable(mac); 2349 BWN_WRITE_4(mac, BWN_INTR_MASK, mac->mac_intr_mask); 2350 callout_reset(&sc->sc_task_ch, hz * 15, bwn_tasks, mac); 2351 2352 mac->mac_status = BWN_MAC_STATUS_STARTED; 2353 } 2354 2355 static void 2356 bwn_core_exit(struct bwn_mac *mac) 2357 { 2358 struct bwn_softc *sc = mac->mac_sc; 2359 uint32_t macctl; 2360 2361 BWN_ASSERT_LOCKED(mac->mac_sc); 2362 2363 KASSERT(mac->mac_status <= BWN_MAC_STATUS_INITED, 2364 ("%s:%d: fail", __func__, __LINE__)); 2365 2366 if (mac->mac_status != BWN_MAC_STATUS_INITED) 2367 return; 2368 mac->mac_status = BWN_MAC_STATUS_UNINIT; 2369 2370 macctl = BWN_READ_4(mac, BWN_MACCTL); 2371 macctl &= ~BWN_MACCTL_MCODE_RUN; 2372 macctl |= BWN_MACCTL_MCODE_JMP0; 2373 BWN_WRITE_4(mac, BWN_MACCTL, macctl); 2374 2375 bwn_dma_stop(mac); 2376 bwn_pio_stop(mac); 2377 bwn_chip_exit(mac); 2378 mac->mac_phy.switch_analog(mac, 0); 2379 bhnd_suspend_hw(sc->sc_dev, 0); 2380 } 2381 2382 static void 2383 bwn_bt_disable(struct bwn_mac *mac) 2384 { 2385 struct bwn_softc *sc = mac->mac_sc; 2386 2387 (void)sc; 2388 /* XXX do nothing yet */ 2389 } 2390 2391 static int 2392 bwn_chip_init(struct bwn_mac *mac) 2393 { 2394 struct bwn_softc *sc = mac->mac_sc; 2395 struct bwn_phy *phy = &mac->mac_phy; 2396 uint32_t macctl; 2397 u_int delay; 2398 int error; 2399 2400 macctl = BWN_MACCTL_IHR_ON | BWN_MACCTL_SHM_ON | BWN_MACCTL_STA; 2401 if (phy->gmode) 2402 macctl |= BWN_MACCTL_GMODE; 2403 BWN_WRITE_4(mac, BWN_MACCTL, macctl); 2404 2405 error = bwn_fw_fillinfo(mac); 2406 if (error) 2407 return (error); 2408 error = bwn_fw_loaducode(mac); 2409 if (error) 2410 return (error); 2411 2412 error = bwn_gpio_init(mac); 2413 if (error) 2414 return (error); 2415 2416 error = bwn_fw_loadinitvals(mac); 2417 if (error) 2418 return (error); 2419 2420 phy->switch_analog(mac, 1); 2421 error = bwn_phy_init(mac); 2422 if (error) 2423 return (error); 2424 2425 if (phy->set_im) 2426 phy->set_im(mac, BWN_IMMODE_NONE); 2427 if (phy->set_antenna) 2428 phy->set_antenna(mac, BWN_ANT_DEFAULT); 2429 bwn_set_txantenna(mac, BWN_ANT_DEFAULT); 2430 2431 if (phy->type == BWN_PHYTYPE_B) 2432 BWN_WRITE_2(mac, 0x005e, BWN_READ_2(mac, 0x005e) | 0x0004); 2433 BWN_WRITE_4(mac, 0x0100, 0x01000000); 2434 if (bhnd_get_hwrev(sc->sc_dev) < 5) 2435 BWN_WRITE_4(mac, 0x010c, 0x01000000); 2436 2437 BWN_WRITE_4(mac, BWN_MACCTL, 2438 BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_STA); 2439 BWN_WRITE_4(mac, BWN_MACCTL, 2440 BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_STA); 2441 bwn_shm_write_2(mac, BWN_SHARED, 0x0074, 0x0000); 2442 2443 bwn_set_opmode(mac); 2444 if (bhnd_get_hwrev(sc->sc_dev) < 3) { 2445 BWN_WRITE_2(mac, 0x060e, 0x0000); 2446 BWN_WRITE_2(mac, 0x0610, 0x8000); 2447 BWN_WRITE_2(mac, 0x0604, 0x0000); 2448 BWN_WRITE_2(mac, 0x0606, 0x0200); 2449 } else { 2450 BWN_WRITE_4(mac, 0x0188, 0x80000000); 2451 BWN_WRITE_4(mac, 0x018c, 0x02000000); 2452 } 2453 BWN_WRITE_4(mac, BWN_INTR_REASON, 0x00004000); 2454 BWN_WRITE_4(mac, BWN_DMA0_INTR_MASK, 0x0001dc00); 2455 BWN_WRITE_4(mac, BWN_DMA1_INTR_MASK, 0x0000dc00); 2456 BWN_WRITE_4(mac, BWN_DMA2_INTR_MASK, 0x0000dc00); 2457 BWN_WRITE_4(mac, BWN_DMA3_INTR_MASK, 0x0001dc00); 2458 BWN_WRITE_4(mac, BWN_DMA4_INTR_MASK, 0x0000dc00); 2459 BWN_WRITE_4(mac, BWN_DMA5_INTR_MASK, 0x0000dc00); 2460 2461 bwn_mac_phy_clock_set(mac, true); 2462 2463 /* Provide the HT clock transition latency to the MAC core */ 2464 error = bhnd_get_clock_latency(sc->sc_dev, BHND_CLOCK_HT, &delay); 2465 if (error) { 2466 device_printf(sc->sc_dev, "failed to fetch HT clock latency: " 2467 "%d\n", error); 2468 return (error); 2469 } 2470 2471 if (delay > UINT16_MAX) { 2472 device_printf(sc->sc_dev, "invalid HT clock latency: %u\n", 2473 delay); 2474 return (ENXIO); 2475 } 2476 2477 BWN_WRITE_2(mac, BWN_POWERUP_DELAY, delay); 2478 return (0); 2479 } 2480 2481 /* read hostflags */ 2482 uint64_t 2483 bwn_hf_read(struct bwn_mac *mac) 2484 { 2485 uint64_t ret; 2486 2487 ret = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFHI); 2488 ret <<= 16; 2489 ret |= bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFMI); 2490 ret <<= 16; 2491 ret |= bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFLO); 2492 return (ret); 2493 } 2494 2495 void 2496 bwn_hf_write(struct bwn_mac *mac, uint64_t value) 2497 { 2498 2499 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFLO, 2500 (value & 0x00000000ffffull)); 2501 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFMI, 2502 (value & 0x0000ffff0000ull) >> 16); 2503 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFHI, 2504 (value & 0xffff00000000ULL) >> 32); 2505 } 2506 2507 static void 2508 bwn_set_txretry(struct bwn_mac *mac, int s, int l) 2509 { 2510 2511 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_SHORT_RETRY, MIN(s, 0xf)); 2512 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_LONG_RETRY, MIN(l, 0xf)); 2513 } 2514 2515 static void 2516 bwn_rate_init(struct bwn_mac *mac) 2517 { 2518 2519 switch (mac->mac_phy.type) { 2520 case BWN_PHYTYPE_A: 2521 case BWN_PHYTYPE_G: 2522 case BWN_PHYTYPE_LP: 2523 case BWN_PHYTYPE_N: 2524 bwn_rate_write(mac, BWN_OFDM_RATE_6MB, 1); 2525 bwn_rate_write(mac, BWN_OFDM_RATE_12MB, 1); 2526 bwn_rate_write(mac, BWN_OFDM_RATE_18MB, 1); 2527 bwn_rate_write(mac, BWN_OFDM_RATE_24MB, 1); 2528 bwn_rate_write(mac, BWN_OFDM_RATE_36MB, 1); 2529 bwn_rate_write(mac, BWN_OFDM_RATE_48MB, 1); 2530 bwn_rate_write(mac, BWN_OFDM_RATE_54MB, 1); 2531 if (mac->mac_phy.type == BWN_PHYTYPE_A) 2532 break; 2533 /* FALLTHROUGH */ 2534 case BWN_PHYTYPE_B: 2535 bwn_rate_write(mac, BWN_CCK_RATE_1MB, 0); 2536 bwn_rate_write(mac, BWN_CCK_RATE_2MB, 0); 2537 bwn_rate_write(mac, BWN_CCK_RATE_5MB, 0); 2538 bwn_rate_write(mac, BWN_CCK_RATE_11MB, 0); 2539 break; 2540 default: 2541 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2542 } 2543 } 2544 2545 static void 2546 bwn_rate_write(struct bwn_mac *mac, uint16_t rate, int ofdm) 2547 { 2548 uint16_t offset; 2549 2550 if (ofdm) { 2551 offset = 0x480; 2552 offset += (bwn_plcp_getofdm(rate) & 0x000f) * 2; 2553 } else { 2554 offset = 0x4c0; 2555 offset += (bwn_plcp_getcck(rate) & 0x000f) * 2; 2556 } 2557 bwn_shm_write_2(mac, BWN_SHARED, offset + 0x20, 2558 bwn_shm_read_2(mac, BWN_SHARED, offset)); 2559 } 2560 2561 static uint8_t 2562 bwn_plcp_getcck(const uint8_t bitrate) 2563 { 2564 2565 switch (bitrate) { 2566 case BWN_CCK_RATE_1MB: 2567 return (0x0a); 2568 case BWN_CCK_RATE_2MB: 2569 return (0x14); 2570 case BWN_CCK_RATE_5MB: 2571 return (0x37); 2572 case BWN_CCK_RATE_11MB: 2573 return (0x6e); 2574 } 2575 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2576 return (0); 2577 } 2578 2579 static uint8_t 2580 bwn_plcp_getofdm(const uint8_t bitrate) 2581 { 2582 2583 switch (bitrate) { 2584 case BWN_OFDM_RATE_6MB: 2585 return (0xb); 2586 case BWN_OFDM_RATE_9MB: 2587 return (0xf); 2588 case BWN_OFDM_RATE_12MB: 2589 return (0xa); 2590 case BWN_OFDM_RATE_18MB: 2591 return (0xe); 2592 case BWN_OFDM_RATE_24MB: 2593 return (0x9); 2594 case BWN_OFDM_RATE_36MB: 2595 return (0xd); 2596 case BWN_OFDM_RATE_48MB: 2597 return (0x8); 2598 case BWN_OFDM_RATE_54MB: 2599 return (0xc); 2600 } 2601 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2602 return (0); 2603 } 2604 2605 static void 2606 bwn_set_phytxctl(struct bwn_mac *mac) 2607 { 2608 uint16_t ctl; 2609 2610 ctl = (BWN_TX_PHY_ENC_CCK | BWN_TX_PHY_ANT01AUTO | 2611 BWN_TX_PHY_TXPWR); 2612 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_BEACON_PHYCTL, ctl); 2613 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL, ctl); 2614 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL, ctl); 2615 } 2616 2617 static void 2618 bwn_pio_init(struct bwn_mac *mac) 2619 { 2620 struct bwn_pio *pio = &mac->mac_method.pio; 2621 2622 BWN_WRITE_4(mac, BWN_MACCTL, BWN_READ_4(mac, BWN_MACCTL) 2623 & ~BWN_MACCTL_BIGENDIAN); 2624 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_RX_PADOFFSET, 0); 2625 2626 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_BK], 0); 2627 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_BE], 1); 2628 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_VI], 2); 2629 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_VO], 3); 2630 bwn_pio_set_txqueue(mac, &pio->mcast, 4); 2631 bwn_pio_setupqueue_rx(mac, &pio->rx, 0); 2632 } 2633 2634 static void 2635 bwn_pio_set_txqueue(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 2636 int index) 2637 { 2638 struct bwn_pio_txpkt *tp; 2639 struct bwn_softc *sc = mac->mac_sc; 2640 unsigned int i; 2641 2642 tq->tq_base = bwn_pio_idx2base(mac, index) + BWN_PIO_TXQOFFSET(mac); 2643 tq->tq_index = index; 2644 2645 tq->tq_free = BWN_PIO_MAX_TXPACKETS; 2646 if (bhnd_get_hwrev(sc->sc_dev) >= 8) 2647 tq->tq_size = 1920; 2648 else { 2649 tq->tq_size = bwn_pio_read_2(mac, tq, BWN_PIO_TXQBUFSIZE); 2650 tq->tq_size -= 80; 2651 } 2652 2653 TAILQ_INIT(&tq->tq_pktlist); 2654 for (i = 0; i < N(tq->tq_pkts); i++) { 2655 tp = &(tq->tq_pkts[i]); 2656 tp->tp_index = i; 2657 tp->tp_queue = tq; 2658 TAILQ_INSERT_TAIL(&tq->tq_pktlist, tp, tp_list); 2659 } 2660 } 2661 2662 static uint16_t 2663 bwn_pio_idx2base(struct bwn_mac *mac, int index) 2664 { 2665 struct bwn_softc *sc = mac->mac_sc; 2666 static const uint16_t bases[] = { 2667 BWN_PIO_BASE0, 2668 BWN_PIO_BASE1, 2669 BWN_PIO_BASE2, 2670 BWN_PIO_BASE3, 2671 BWN_PIO_BASE4, 2672 BWN_PIO_BASE5, 2673 BWN_PIO_BASE6, 2674 BWN_PIO_BASE7, 2675 }; 2676 static const uint16_t bases_rev11[] = { 2677 BWN_PIO11_BASE0, 2678 BWN_PIO11_BASE1, 2679 BWN_PIO11_BASE2, 2680 BWN_PIO11_BASE3, 2681 BWN_PIO11_BASE4, 2682 BWN_PIO11_BASE5, 2683 }; 2684 2685 if (bhnd_get_hwrev(sc->sc_dev) >= 11) { 2686 if (index >= N(bases_rev11)) 2687 device_printf(sc->sc_dev, "%s: warning\n", __func__); 2688 return (bases_rev11[index]); 2689 } 2690 if (index >= N(bases)) 2691 device_printf(sc->sc_dev, "%s: warning\n", __func__); 2692 return (bases[index]); 2693 } 2694 2695 static void 2696 bwn_pio_setupqueue_rx(struct bwn_mac *mac, struct bwn_pio_rxqueue *prq, 2697 int index) 2698 { 2699 struct bwn_softc *sc = mac->mac_sc; 2700 2701 prq->prq_mac = mac; 2702 prq->prq_rev = bhnd_get_hwrev(sc->sc_dev); 2703 prq->prq_base = bwn_pio_idx2base(mac, index) + BWN_PIO_RXQOFFSET(mac); 2704 bwn_dma_rxdirectfifo(mac, index, 1); 2705 } 2706 2707 static void 2708 bwn_destroy_pioqueue_tx(struct bwn_pio_txqueue *tq) 2709 { 2710 if (tq == NULL) 2711 return; 2712 bwn_pio_cancel_tx_packets(tq); 2713 } 2714 2715 static void 2716 bwn_destroy_queue_tx(struct bwn_pio_txqueue *pio) 2717 { 2718 2719 bwn_destroy_pioqueue_tx(pio); 2720 } 2721 2722 static uint16_t 2723 bwn_pio_read_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 2724 uint16_t offset) 2725 { 2726 2727 return (BWN_READ_2(mac, tq->tq_base + offset)); 2728 } 2729 2730 static void 2731 bwn_dma_rxdirectfifo(struct bwn_mac *mac, int idx, uint8_t enable) 2732 { 2733 uint32_t ctl; 2734 uint16_t base; 2735 2736 base = bwn_dma_base(mac->mac_dmatype, idx); 2737 if (mac->mac_dmatype == BHND_DMA_ADDR_64BIT) { 2738 ctl = BWN_READ_4(mac, base + BWN_DMA64_RXCTL); 2739 ctl &= ~BWN_DMA64_RXDIRECTFIFO; 2740 if (enable) 2741 ctl |= BWN_DMA64_RXDIRECTFIFO; 2742 BWN_WRITE_4(mac, base + BWN_DMA64_RXCTL, ctl); 2743 } else { 2744 ctl = BWN_READ_4(mac, base + BWN_DMA32_RXCTL); 2745 ctl &= ~BWN_DMA32_RXDIRECTFIFO; 2746 if (enable) 2747 ctl |= BWN_DMA32_RXDIRECTFIFO; 2748 BWN_WRITE_4(mac, base + BWN_DMA32_RXCTL, ctl); 2749 } 2750 } 2751 2752 static void 2753 bwn_pio_cancel_tx_packets(struct bwn_pio_txqueue *tq) 2754 { 2755 struct bwn_pio_txpkt *tp; 2756 unsigned int i; 2757 2758 for (i = 0; i < N(tq->tq_pkts); i++) { 2759 tp = &(tq->tq_pkts[i]); 2760 if (tp->tp_m) { 2761 m_freem(tp->tp_m); 2762 tp->tp_m = NULL; 2763 } 2764 } 2765 } 2766 2767 static uint16_t 2768 bwn_dma_base(int type, int controller_idx) 2769 { 2770 static const uint16_t map64[] = { 2771 BWN_DMA64_BASE0, 2772 BWN_DMA64_BASE1, 2773 BWN_DMA64_BASE2, 2774 BWN_DMA64_BASE3, 2775 BWN_DMA64_BASE4, 2776 BWN_DMA64_BASE5, 2777 }; 2778 static const uint16_t map32[] = { 2779 BWN_DMA32_BASE0, 2780 BWN_DMA32_BASE1, 2781 BWN_DMA32_BASE2, 2782 BWN_DMA32_BASE3, 2783 BWN_DMA32_BASE4, 2784 BWN_DMA32_BASE5, 2785 }; 2786 2787 if (type == BHND_DMA_ADDR_64BIT) { 2788 KASSERT(controller_idx >= 0 && controller_idx < N(map64), 2789 ("%s:%d: fail", __func__, __LINE__)); 2790 return (map64[controller_idx]); 2791 } 2792 KASSERT(controller_idx >= 0 && controller_idx < N(map32), 2793 ("%s:%d: fail", __func__, __LINE__)); 2794 return (map32[controller_idx]); 2795 } 2796 2797 static void 2798 bwn_dma_init(struct bwn_mac *mac) 2799 { 2800 struct bwn_dma *dma = &mac->mac_method.dma; 2801 2802 /* setup TX DMA channels. */ 2803 bwn_dma_setup(dma->wme[WME_AC_BK]); 2804 bwn_dma_setup(dma->wme[WME_AC_BE]); 2805 bwn_dma_setup(dma->wme[WME_AC_VI]); 2806 bwn_dma_setup(dma->wme[WME_AC_VO]); 2807 bwn_dma_setup(dma->mcast); 2808 /* setup RX DMA channel. */ 2809 bwn_dma_setup(dma->rx); 2810 } 2811 2812 static struct bwn_dma_ring * 2813 bwn_dma_ringsetup(struct bwn_mac *mac, int controller_index, 2814 int for_tx) 2815 { 2816 struct bwn_dma *dma = &mac->mac_method.dma; 2817 struct bwn_dma_ring *dr; 2818 struct bwn_dmadesc_generic *desc; 2819 struct bwn_dmadesc_meta *mt; 2820 struct bwn_softc *sc = mac->mac_sc; 2821 int error, i; 2822 2823 dr = malloc(sizeof(*dr), M_DEVBUF, M_NOWAIT | M_ZERO); 2824 if (dr == NULL) 2825 goto out; 2826 dr->dr_numslots = BWN_RXRING_SLOTS; 2827 if (for_tx) 2828 dr->dr_numslots = BWN_TXRING_SLOTS; 2829 2830 dr->dr_meta = malloc(dr->dr_numslots * sizeof(struct bwn_dmadesc_meta), 2831 M_DEVBUF, M_NOWAIT | M_ZERO); 2832 if (dr->dr_meta == NULL) 2833 goto fail0; 2834 2835 dr->dr_type = mac->mac_dmatype; 2836 dr->dr_mac = mac; 2837 dr->dr_base = bwn_dma_base(dr->dr_type, controller_index); 2838 dr->dr_index = controller_index; 2839 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 2840 dr->getdesc = bwn_dma_64_getdesc; 2841 dr->setdesc = bwn_dma_64_setdesc; 2842 dr->start_transfer = bwn_dma_64_start_transfer; 2843 dr->suspend = bwn_dma_64_suspend; 2844 dr->resume = bwn_dma_64_resume; 2845 dr->get_curslot = bwn_dma_64_get_curslot; 2846 dr->set_curslot = bwn_dma_64_set_curslot; 2847 } else { 2848 dr->getdesc = bwn_dma_32_getdesc; 2849 dr->setdesc = bwn_dma_32_setdesc; 2850 dr->start_transfer = bwn_dma_32_start_transfer; 2851 dr->suspend = bwn_dma_32_suspend; 2852 dr->resume = bwn_dma_32_resume; 2853 dr->get_curslot = bwn_dma_32_get_curslot; 2854 dr->set_curslot = bwn_dma_32_set_curslot; 2855 } 2856 if (for_tx) { 2857 dr->dr_tx = 1; 2858 dr->dr_curslot = -1; 2859 } else { 2860 if (dr->dr_index == 0) { 2861 switch (mac->mac_fw.fw_hdr_format) { 2862 case BWN_FW_HDR_351: 2863 case BWN_FW_HDR_410: 2864 dr->dr_rx_bufsize = 2865 BWN_DMA0_RX_BUFFERSIZE_FW351; 2866 dr->dr_frameoffset = 2867 BWN_DMA0_RX_FRAMEOFFSET_FW351; 2868 break; 2869 case BWN_FW_HDR_598: 2870 dr->dr_rx_bufsize = 2871 BWN_DMA0_RX_BUFFERSIZE_FW598; 2872 dr->dr_frameoffset = 2873 BWN_DMA0_RX_FRAMEOFFSET_FW598; 2874 break; 2875 } 2876 } else 2877 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2878 } 2879 2880 error = bwn_dma_allocringmemory(dr); 2881 if (error) 2882 goto fail2; 2883 2884 if (for_tx) { 2885 /* 2886 * Assumption: BWN_TXRING_SLOTS can be divided by 2887 * BWN_TX_SLOTS_PER_FRAME 2888 */ 2889 KASSERT(BWN_TXRING_SLOTS % BWN_TX_SLOTS_PER_FRAME == 0, 2890 ("%s:%d: fail", __func__, __LINE__)); 2891 2892 dr->dr_txhdr_cache = contigmalloc( 2893 (dr->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2894 BWN_MAXTXHDRSIZE, M_DEVBUF, M_ZERO, 2895 0, BUS_SPACE_MAXADDR, 8, 0); 2896 if (dr->dr_txhdr_cache == NULL) { 2897 device_printf(sc->sc_dev, 2898 "can't allocate TX header DMA memory\n"); 2899 goto fail1; 2900 } 2901 2902 /* 2903 * Create TX ring DMA stuffs 2904 */ 2905 error = bus_dma_tag_create(dma->parent_dtag, 2906 BWN_ALIGN, 0, 2907 BUS_SPACE_MAXADDR, 2908 BUS_SPACE_MAXADDR, 2909 NULL, NULL, 2910 BWN_HDRSIZE(mac), 2911 1, 2912 BUS_SPACE_MAXSIZE_32BIT, 2913 0, 2914 NULL, NULL, 2915 &dr->dr_txring_dtag); 2916 if (error) { 2917 device_printf(sc->sc_dev, 2918 "can't create TX ring DMA tag: TODO frees\n"); 2919 goto fail2; 2920 } 2921 2922 for (i = 0; i < dr->dr_numslots; i += 2) { 2923 dr->getdesc(dr, i, &desc, &mt); 2924 2925 mt->mt_txtype = BWN_DMADESC_METATYPE_HEADER; 2926 mt->mt_m = NULL; 2927 mt->mt_ni = NULL; 2928 mt->mt_islast = 0; 2929 error = bus_dmamap_create(dr->dr_txring_dtag, 0, 2930 &mt->mt_dmap); 2931 if (error) { 2932 device_printf(sc->sc_dev, 2933 "can't create RX buf DMA map\n"); 2934 goto fail2; 2935 } 2936 2937 dr->getdesc(dr, i + 1, &desc, &mt); 2938 2939 mt->mt_txtype = BWN_DMADESC_METATYPE_BODY; 2940 mt->mt_m = NULL; 2941 mt->mt_ni = NULL; 2942 mt->mt_islast = 1; 2943 error = bus_dmamap_create(dma->txbuf_dtag, 0, 2944 &mt->mt_dmap); 2945 if (error) { 2946 device_printf(sc->sc_dev, 2947 "can't create RX buf DMA map\n"); 2948 goto fail2; 2949 } 2950 } 2951 } else { 2952 error = bus_dmamap_create(dma->rxbuf_dtag, 0, 2953 &dr->dr_spare_dmap); 2954 if (error) { 2955 device_printf(sc->sc_dev, 2956 "can't create RX buf DMA map\n"); 2957 goto out; /* XXX wrong! */ 2958 } 2959 2960 for (i = 0; i < dr->dr_numslots; i++) { 2961 dr->getdesc(dr, i, &desc, &mt); 2962 2963 error = bus_dmamap_create(dma->rxbuf_dtag, 0, 2964 &mt->mt_dmap); 2965 if (error) { 2966 device_printf(sc->sc_dev, 2967 "can't create RX buf DMA map\n"); 2968 goto out; /* XXX wrong! */ 2969 } 2970 error = bwn_dma_newbuf(dr, desc, mt, 1); 2971 if (error) { 2972 device_printf(sc->sc_dev, 2973 "failed to allocate RX buf\n"); 2974 goto out; /* XXX wrong! */ 2975 } 2976 } 2977 2978 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 2979 BUS_DMASYNC_PREWRITE); 2980 2981 dr->dr_usedslot = dr->dr_numslots; 2982 } 2983 2984 out: 2985 return (dr); 2986 2987 fail2: 2988 if (dr->dr_txhdr_cache != NULL) { 2989 contigfree(dr->dr_txhdr_cache, 2990 (dr->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2991 BWN_MAXTXHDRSIZE, M_DEVBUF); 2992 } 2993 fail1: 2994 free(dr->dr_meta, M_DEVBUF); 2995 fail0: 2996 free(dr, M_DEVBUF); 2997 return (NULL); 2998 } 2999 3000 static void 3001 bwn_dma_ringfree(struct bwn_dma_ring **dr) 3002 { 3003 3004 if (dr == NULL) 3005 return; 3006 3007 bwn_dma_free_descbufs(*dr); 3008 bwn_dma_free_ringmemory(*dr); 3009 3010 if ((*dr)->dr_txhdr_cache != NULL) { 3011 contigfree((*dr)->dr_txhdr_cache, 3012 ((*dr)->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 3013 BWN_MAXTXHDRSIZE, M_DEVBUF); 3014 } 3015 free((*dr)->dr_meta, M_DEVBUF); 3016 free(*dr, M_DEVBUF); 3017 3018 *dr = NULL; 3019 } 3020 3021 static void 3022 bwn_dma_32_getdesc(struct bwn_dma_ring *dr, int slot, 3023 struct bwn_dmadesc_generic **gdesc, struct bwn_dmadesc_meta **meta) 3024 { 3025 struct bwn_dmadesc32 *desc; 3026 3027 *meta = &(dr->dr_meta[slot]); 3028 desc = dr->dr_ring_descbase; 3029 desc = &(desc[slot]); 3030 3031 *gdesc = (struct bwn_dmadesc_generic *)desc; 3032 } 3033 3034 static void 3035 bwn_dma_32_setdesc(struct bwn_dma_ring *dr, 3036 struct bwn_dmadesc_generic *desc, bus_addr_t dmaaddr, uint16_t bufsize, 3037 int start, int end, int irq) 3038 { 3039 struct bwn_dmadesc32 *descbase; 3040 struct bwn_dma *dma; 3041 struct bhnd_dma_translation *dt; 3042 uint32_t addr, addrext, ctl; 3043 int slot; 3044 3045 descbase = dr->dr_ring_descbase; 3046 dma = &dr->dr_mac->mac_method.dma; 3047 dt = &dma->translation; 3048 3049 slot = (int)(&(desc->dma.dma32) - descbase); 3050 KASSERT(slot >= 0 && slot < dr->dr_numslots, 3051 ("%s:%d: fail", __func__, __LINE__)); 3052 3053 addr = (dmaaddr & dt->addr_mask) | dt->base_addr; 3054 addrext = ((dmaaddr & dt->addrext_mask) >> dma->addrext_shift); 3055 ctl = bufsize & BWN_DMA32_DCTL_BYTECNT; 3056 if (slot == dr->dr_numslots - 1) 3057 ctl |= BWN_DMA32_DCTL_DTABLEEND; 3058 if (start) 3059 ctl |= BWN_DMA32_DCTL_FRAMESTART; 3060 if (end) 3061 ctl |= BWN_DMA32_DCTL_FRAMEEND; 3062 if (irq) 3063 ctl |= BWN_DMA32_DCTL_IRQ; 3064 ctl |= (addrext << BWN_DMA32_DCTL_ADDREXT_SHIFT) 3065 & BWN_DMA32_DCTL_ADDREXT_MASK; 3066 3067 desc->dma.dma32.control = htole32(ctl); 3068 desc->dma.dma32.address = htole32(addr); 3069 } 3070 3071 static void 3072 bwn_dma_32_start_transfer(struct bwn_dma_ring *dr, int slot) 3073 { 3074 3075 BWN_DMA_WRITE(dr, BWN_DMA32_TXINDEX, 3076 (uint32_t)(slot * sizeof(struct bwn_dmadesc32))); 3077 } 3078 3079 static void 3080 bwn_dma_32_suspend(struct bwn_dma_ring *dr) 3081 { 3082 3083 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, 3084 BWN_DMA_READ(dr, BWN_DMA32_TXCTL) | BWN_DMA32_TXSUSPEND); 3085 } 3086 3087 static void 3088 bwn_dma_32_resume(struct bwn_dma_ring *dr) 3089 { 3090 3091 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, 3092 BWN_DMA_READ(dr, BWN_DMA32_TXCTL) & ~BWN_DMA32_TXSUSPEND); 3093 } 3094 3095 static int 3096 bwn_dma_32_get_curslot(struct bwn_dma_ring *dr) 3097 { 3098 uint32_t val; 3099 3100 val = BWN_DMA_READ(dr, BWN_DMA32_RXSTATUS); 3101 val &= BWN_DMA32_RXDPTR; 3102 3103 return (val / sizeof(struct bwn_dmadesc32)); 3104 } 3105 3106 static void 3107 bwn_dma_32_set_curslot(struct bwn_dma_ring *dr, int slot) 3108 { 3109 3110 BWN_DMA_WRITE(dr, BWN_DMA32_RXINDEX, 3111 (uint32_t) (slot * sizeof(struct bwn_dmadesc32))); 3112 } 3113 3114 static void 3115 bwn_dma_64_getdesc(struct bwn_dma_ring *dr, int slot, 3116 struct bwn_dmadesc_generic **gdesc, struct bwn_dmadesc_meta **meta) 3117 { 3118 struct bwn_dmadesc64 *desc; 3119 3120 *meta = &(dr->dr_meta[slot]); 3121 desc = dr->dr_ring_descbase; 3122 desc = &(desc[slot]); 3123 3124 *gdesc = (struct bwn_dmadesc_generic *)desc; 3125 } 3126 3127 static void 3128 bwn_dma_64_setdesc(struct bwn_dma_ring *dr, 3129 struct bwn_dmadesc_generic *desc, bus_addr_t dmaaddr, uint16_t bufsize, 3130 int start, int end, int irq) 3131 { 3132 struct bwn_dmadesc64 *descbase; 3133 struct bwn_dma *dma; 3134 struct bhnd_dma_translation *dt; 3135 bhnd_addr_t addr; 3136 uint32_t addrhi, addrlo; 3137 uint32_t addrext; 3138 uint32_t ctl0, ctl1; 3139 int slot; 3140 3141 3142 descbase = dr->dr_ring_descbase; 3143 dma = &dr->dr_mac->mac_method.dma; 3144 dt = &dma->translation; 3145 3146 slot = (int)(&(desc->dma.dma64) - descbase); 3147 KASSERT(slot >= 0 && slot < dr->dr_numslots, 3148 ("%s:%d: fail", __func__, __LINE__)); 3149 3150 addr = (dmaaddr & dt->addr_mask) | dt->base_addr; 3151 addrhi = (addr >> 32); 3152 addrlo = (addr & UINT32_MAX); 3153 addrext = ((dmaaddr & dt->addrext_mask) >> dma->addrext_shift); 3154 3155 ctl0 = 0; 3156 if (slot == dr->dr_numslots - 1) 3157 ctl0 |= BWN_DMA64_DCTL0_DTABLEEND; 3158 if (start) 3159 ctl0 |= BWN_DMA64_DCTL0_FRAMESTART; 3160 if (end) 3161 ctl0 |= BWN_DMA64_DCTL0_FRAMEEND; 3162 if (irq) 3163 ctl0 |= BWN_DMA64_DCTL0_IRQ; 3164 3165 ctl1 = 0; 3166 ctl1 |= bufsize & BWN_DMA64_DCTL1_BYTECNT; 3167 ctl1 |= (addrext << BWN_DMA64_DCTL1_ADDREXT_SHIFT) 3168 & BWN_DMA64_DCTL1_ADDREXT_MASK; 3169 3170 desc->dma.dma64.control0 = htole32(ctl0); 3171 desc->dma.dma64.control1 = htole32(ctl1); 3172 desc->dma.dma64.address_low = htole32(addrlo); 3173 desc->dma.dma64.address_high = htole32(addrhi); 3174 } 3175 3176 static void 3177 bwn_dma_64_start_transfer(struct bwn_dma_ring *dr, int slot) 3178 { 3179 3180 BWN_DMA_WRITE(dr, BWN_DMA64_TXINDEX, 3181 (uint32_t)(slot * sizeof(struct bwn_dmadesc64))); 3182 } 3183 3184 static void 3185 bwn_dma_64_suspend(struct bwn_dma_ring *dr) 3186 { 3187 3188 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, 3189 BWN_DMA_READ(dr, BWN_DMA64_TXCTL) | BWN_DMA64_TXSUSPEND); 3190 } 3191 3192 static void 3193 bwn_dma_64_resume(struct bwn_dma_ring *dr) 3194 { 3195 3196 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, 3197 BWN_DMA_READ(dr, BWN_DMA64_TXCTL) & ~BWN_DMA64_TXSUSPEND); 3198 } 3199 3200 static int 3201 bwn_dma_64_get_curslot(struct bwn_dma_ring *dr) 3202 { 3203 uint32_t val; 3204 3205 val = BWN_DMA_READ(dr, BWN_DMA64_RXSTATUS); 3206 val &= BWN_DMA64_RXSTATDPTR; 3207 3208 return (val / sizeof(struct bwn_dmadesc64)); 3209 } 3210 3211 static void 3212 bwn_dma_64_set_curslot(struct bwn_dma_ring *dr, int slot) 3213 { 3214 3215 BWN_DMA_WRITE(dr, BWN_DMA64_RXINDEX, 3216 (uint32_t)(slot * sizeof(struct bwn_dmadesc64))); 3217 } 3218 3219 static int 3220 bwn_dma_allocringmemory(struct bwn_dma_ring *dr) 3221 { 3222 struct bwn_mac *mac = dr->dr_mac; 3223 struct bwn_dma *dma = &mac->mac_method.dma; 3224 struct bwn_softc *sc = mac->mac_sc; 3225 int error; 3226 3227 error = bus_dma_tag_create(dma->parent_dtag, 3228 BWN_ALIGN, 0, 3229 BUS_SPACE_MAXADDR, 3230 BUS_SPACE_MAXADDR, 3231 NULL, NULL, 3232 BWN_DMA_RINGMEMSIZE, 3233 1, 3234 BUS_SPACE_MAXSIZE_32BIT, 3235 0, 3236 NULL, NULL, 3237 &dr->dr_ring_dtag); 3238 if (error) { 3239 device_printf(sc->sc_dev, 3240 "can't create TX ring DMA tag: TODO frees\n"); 3241 return (-1); 3242 } 3243 3244 error = bus_dmamem_alloc(dr->dr_ring_dtag, 3245 &dr->dr_ring_descbase, BUS_DMA_WAITOK | BUS_DMA_ZERO, 3246 &dr->dr_ring_dmap); 3247 if (error) { 3248 device_printf(sc->sc_dev, 3249 "can't allocate DMA mem: TODO frees\n"); 3250 return (-1); 3251 } 3252 error = bus_dmamap_load(dr->dr_ring_dtag, dr->dr_ring_dmap, 3253 dr->dr_ring_descbase, BWN_DMA_RINGMEMSIZE, 3254 bwn_dma_ring_addr, &dr->dr_ring_dmabase, BUS_DMA_NOWAIT); 3255 if (error) { 3256 device_printf(sc->sc_dev, 3257 "can't load DMA mem: TODO free\n"); 3258 return (-1); 3259 } 3260 3261 return (0); 3262 } 3263 3264 static void 3265 bwn_dma_setup(struct bwn_dma_ring *dr) 3266 { 3267 struct bwn_mac *mac; 3268 struct bwn_dma *dma; 3269 struct bhnd_dma_translation *dt; 3270 bhnd_addr_t addr, paddr; 3271 uint32_t addrhi, addrlo, addrext, value; 3272 3273 mac = dr->dr_mac; 3274 dma = &mac->mac_method.dma; 3275 dt = &dma->translation; 3276 3277 paddr = dr->dr_ring_dmabase; 3278 addr = (paddr & dt->addr_mask) | dt->base_addr; 3279 addrhi = (addr >> 32); 3280 addrlo = (addr & UINT32_MAX); 3281 addrext = ((paddr & dt->addrext_mask) >> dma->addrext_shift); 3282 3283 if (dr->dr_tx) { 3284 dr->dr_curslot = -1; 3285 3286 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3287 value = BWN_DMA64_TXENABLE; 3288 value |= BWN_DMA64_TXPARITY_DISABLE; 3289 value |= (addrext << BWN_DMA64_TXADDREXT_SHIFT) 3290 & BWN_DMA64_TXADDREXT_MASK; 3291 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, value); 3292 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGLO, addrlo); 3293 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGHI, addrhi); 3294 } else { 3295 value = BWN_DMA32_TXENABLE; 3296 value |= BWN_DMA32_TXPARITY_DISABLE; 3297 value |= (addrext << BWN_DMA32_TXADDREXT_SHIFT) 3298 & BWN_DMA32_TXADDREXT_MASK; 3299 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, value); 3300 BWN_DMA_WRITE(dr, BWN_DMA32_TXRING, addrlo); 3301 } 3302 return; 3303 } 3304 3305 /* 3306 * set for RX 3307 */ 3308 dr->dr_usedslot = dr->dr_numslots; 3309 3310 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3311 value = (dr->dr_frameoffset << BWN_DMA64_RXFROFF_SHIFT); 3312 value |= BWN_DMA64_RXENABLE; 3313 value |= BWN_DMA64_RXPARITY_DISABLE; 3314 value |= (addrext << BWN_DMA64_RXADDREXT_SHIFT) 3315 & BWN_DMA64_RXADDREXT_MASK; 3316 BWN_DMA_WRITE(dr, BWN_DMA64_RXCTL, value); 3317 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGLO, addrlo); 3318 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGHI, addrhi); 3319 BWN_DMA_WRITE(dr, BWN_DMA64_RXINDEX, dr->dr_numslots * 3320 sizeof(struct bwn_dmadesc64)); 3321 } else { 3322 value = (dr->dr_frameoffset << BWN_DMA32_RXFROFF_SHIFT); 3323 value |= BWN_DMA32_RXENABLE; 3324 value |= BWN_DMA32_RXPARITY_DISABLE; 3325 value |= (addrext << BWN_DMA32_RXADDREXT_SHIFT) 3326 & BWN_DMA32_RXADDREXT_MASK; 3327 BWN_DMA_WRITE(dr, BWN_DMA32_RXCTL, value); 3328 BWN_DMA_WRITE(dr, BWN_DMA32_RXRING, addrlo); 3329 BWN_DMA_WRITE(dr, BWN_DMA32_RXINDEX, dr->dr_numslots * 3330 sizeof(struct bwn_dmadesc32)); 3331 } 3332 } 3333 3334 static void 3335 bwn_dma_free_ringmemory(struct bwn_dma_ring *dr) 3336 { 3337 3338 bus_dmamap_unload(dr->dr_ring_dtag, dr->dr_ring_dmap); 3339 bus_dmamem_free(dr->dr_ring_dtag, dr->dr_ring_descbase, 3340 dr->dr_ring_dmap); 3341 } 3342 3343 static void 3344 bwn_dma_cleanup(struct bwn_dma_ring *dr) 3345 { 3346 3347 if (dr->dr_tx) { 3348 bwn_dma_tx_reset(dr->dr_mac, dr->dr_base, dr->dr_type); 3349 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3350 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGLO, 0); 3351 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGHI, 0); 3352 } else 3353 BWN_DMA_WRITE(dr, BWN_DMA32_TXRING, 0); 3354 } else { 3355 bwn_dma_rx_reset(dr->dr_mac, dr->dr_base, dr->dr_type); 3356 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3357 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGLO, 0); 3358 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGHI, 0); 3359 } else 3360 BWN_DMA_WRITE(dr, BWN_DMA32_RXRING, 0); 3361 } 3362 } 3363 3364 static void 3365 bwn_dma_free_descbufs(struct bwn_dma_ring *dr) 3366 { 3367 struct bwn_dmadesc_generic *desc; 3368 struct bwn_dmadesc_meta *meta; 3369 struct bwn_mac *mac = dr->dr_mac; 3370 struct bwn_dma *dma = &mac->mac_method.dma; 3371 struct bwn_softc *sc = mac->mac_sc; 3372 int i; 3373 3374 if (!dr->dr_usedslot) 3375 return; 3376 for (i = 0; i < dr->dr_numslots; i++) { 3377 dr->getdesc(dr, i, &desc, &meta); 3378 3379 if (meta->mt_m == NULL) { 3380 if (!dr->dr_tx) 3381 device_printf(sc->sc_dev, "%s: not TX?\n", 3382 __func__); 3383 continue; 3384 } 3385 if (dr->dr_tx) { 3386 if (meta->mt_txtype == BWN_DMADESC_METATYPE_HEADER) 3387 bus_dmamap_unload(dr->dr_txring_dtag, 3388 meta->mt_dmap); 3389 else if (meta->mt_txtype == BWN_DMADESC_METATYPE_BODY) 3390 bus_dmamap_unload(dma->txbuf_dtag, 3391 meta->mt_dmap); 3392 } else 3393 bus_dmamap_unload(dma->rxbuf_dtag, meta->mt_dmap); 3394 bwn_dma_free_descbuf(dr, meta); 3395 } 3396 } 3397 3398 static int 3399 bwn_dma_tx_reset(struct bwn_mac *mac, uint16_t base, 3400 int type) 3401 { 3402 struct bwn_softc *sc = mac->mac_sc; 3403 uint32_t value; 3404 int i; 3405 uint16_t offset; 3406 3407 for (i = 0; i < 10; i++) { 3408 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXSTATUS : 3409 BWN_DMA32_TXSTATUS; 3410 value = BWN_READ_4(mac, base + offset); 3411 if (type == BHND_DMA_ADDR_64BIT) { 3412 value &= BWN_DMA64_TXSTAT; 3413 if (value == BWN_DMA64_TXSTAT_DISABLED || 3414 value == BWN_DMA64_TXSTAT_IDLEWAIT || 3415 value == BWN_DMA64_TXSTAT_STOPPED) 3416 break; 3417 } else { 3418 value &= BWN_DMA32_TXSTATE; 3419 if (value == BWN_DMA32_TXSTAT_DISABLED || 3420 value == BWN_DMA32_TXSTAT_IDLEWAIT || 3421 value == BWN_DMA32_TXSTAT_STOPPED) 3422 break; 3423 } 3424 DELAY(1000); 3425 } 3426 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXCTL : 3427 BWN_DMA32_TXCTL; 3428 BWN_WRITE_4(mac, base + offset, 0); 3429 for (i = 0; i < 10; i++) { 3430 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXSTATUS : 3431 BWN_DMA32_TXSTATUS; 3432 value = BWN_READ_4(mac, base + offset); 3433 if (type == BHND_DMA_ADDR_64BIT) { 3434 value &= BWN_DMA64_TXSTAT; 3435 if (value == BWN_DMA64_TXSTAT_DISABLED) { 3436 i = -1; 3437 break; 3438 } 3439 } else { 3440 value &= BWN_DMA32_TXSTATE; 3441 if (value == BWN_DMA32_TXSTAT_DISABLED) { 3442 i = -1; 3443 break; 3444 } 3445 } 3446 DELAY(1000); 3447 } 3448 if (i != -1) { 3449 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 3450 return (ENODEV); 3451 } 3452 DELAY(1000); 3453 3454 return (0); 3455 } 3456 3457 static int 3458 bwn_dma_rx_reset(struct bwn_mac *mac, uint16_t base, 3459 int type) 3460 { 3461 struct bwn_softc *sc = mac->mac_sc; 3462 uint32_t value; 3463 int i; 3464 uint16_t offset; 3465 3466 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_RXCTL : 3467 BWN_DMA32_RXCTL; 3468 BWN_WRITE_4(mac, base + offset, 0); 3469 for (i = 0; i < 10; i++) { 3470 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_RXSTATUS : 3471 BWN_DMA32_RXSTATUS; 3472 value = BWN_READ_4(mac, base + offset); 3473 if (type == BHND_DMA_ADDR_64BIT) { 3474 value &= BWN_DMA64_RXSTAT; 3475 if (value == BWN_DMA64_RXSTAT_DISABLED) { 3476 i = -1; 3477 break; 3478 } 3479 } else { 3480 value &= BWN_DMA32_RXSTATE; 3481 if (value == BWN_DMA32_RXSTAT_DISABLED) { 3482 i = -1; 3483 break; 3484 } 3485 } 3486 DELAY(1000); 3487 } 3488 if (i != -1) { 3489 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 3490 return (ENODEV); 3491 } 3492 3493 return (0); 3494 } 3495 3496 static void 3497 bwn_dma_free_descbuf(struct bwn_dma_ring *dr, 3498 struct bwn_dmadesc_meta *meta) 3499 { 3500 3501 if (meta->mt_m != NULL) { 3502 m_freem(meta->mt_m); 3503 meta->mt_m = NULL; 3504 } 3505 if (meta->mt_ni != NULL) { 3506 ieee80211_free_node(meta->mt_ni); 3507 meta->mt_ni = NULL; 3508 } 3509 } 3510 3511 static void 3512 bwn_dma_set_redzone(struct bwn_dma_ring *dr, struct mbuf *m) 3513 { 3514 struct bwn_rxhdr4 *rxhdr; 3515 unsigned char *frame; 3516 3517 rxhdr = mtod(m, struct bwn_rxhdr4 *); 3518 rxhdr->frame_len = 0; 3519 3520 KASSERT(dr->dr_rx_bufsize >= dr->dr_frameoffset + 3521 sizeof(struct bwn_plcp6) + 2, 3522 ("%s:%d: fail", __func__, __LINE__)); 3523 frame = mtod(m, char *) + dr->dr_frameoffset; 3524 memset(frame, 0xff, sizeof(struct bwn_plcp6) + 2 /* padding */); 3525 } 3526 3527 static uint8_t 3528 bwn_dma_check_redzone(struct bwn_dma_ring *dr, struct mbuf *m) 3529 { 3530 unsigned char *f = mtod(m, char *) + dr->dr_frameoffset; 3531 3532 return ((f[0] & f[1] & f[2] & f[3] & f[4] & f[5] & f[6] & f[7]) 3533 == 0xff); 3534 } 3535 3536 static void 3537 bwn_wme_init(struct bwn_mac *mac) 3538 { 3539 3540 bwn_wme_load(mac); 3541 3542 /* enable WME support. */ 3543 bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_EDCF); 3544 BWN_WRITE_2(mac, BWN_IFSCTL, BWN_READ_2(mac, BWN_IFSCTL) | 3545 BWN_IFSCTL_USE_EDCF); 3546 } 3547 3548 static void 3549 bwn_spu_setdelay(struct bwn_mac *mac, int idle) 3550 { 3551 struct bwn_softc *sc = mac->mac_sc; 3552 struct ieee80211com *ic = &sc->sc_ic; 3553 uint16_t delay; /* microsec */ 3554 3555 delay = (mac->mac_phy.type == BWN_PHYTYPE_A) ? 3700 : 1050; 3556 if (ic->ic_opmode == IEEE80211_M_IBSS || idle) 3557 delay = 500; 3558 if ((mac->mac_phy.rf_ver == 0x2050) && (mac->mac_phy.rf_rev == 8)) 3559 delay = max(delay, (uint16_t)2400); 3560 3561 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_SPU_WAKEUP, delay); 3562 } 3563 3564 static void 3565 bwn_bt_enable(struct bwn_mac *mac) 3566 { 3567 struct bwn_softc *sc = mac->mac_sc; 3568 uint64_t hf; 3569 3570 if (bwn_bluetooth == 0) 3571 return; 3572 if ((sc->sc_board_info.board_flags & BHND_BFL_BTCOEX) == 0) 3573 return; 3574 if (mac->mac_phy.type != BWN_PHYTYPE_B && !mac->mac_phy.gmode) 3575 return; 3576 3577 hf = bwn_hf_read(mac); 3578 if (sc->sc_board_info.board_flags & BHND_BFL_BTC2WIRE_ALTGPIO) 3579 hf |= BWN_HF_BT_COEXISTALT; 3580 else 3581 hf |= BWN_HF_BT_COEXIST; 3582 bwn_hf_write(mac, hf); 3583 } 3584 3585 static void 3586 bwn_set_macaddr(struct bwn_mac *mac) 3587 { 3588 3589 bwn_mac_write_bssid(mac); 3590 bwn_mac_setfilter(mac, BWN_MACFILTER_SELF, 3591 mac->mac_sc->sc_ic.ic_macaddr); 3592 } 3593 3594 static void 3595 bwn_clear_keys(struct bwn_mac *mac) 3596 { 3597 int i; 3598 3599 for (i = 0; i < mac->mac_max_nr_keys; i++) { 3600 KASSERT(i >= 0 && i < mac->mac_max_nr_keys, 3601 ("%s:%d: fail", __func__, __LINE__)); 3602 3603 bwn_key_dowrite(mac, i, BWN_SEC_ALGO_NONE, 3604 NULL, BWN_SEC_KEYSIZE, NULL); 3605 if ((i <= 3) && !BWN_SEC_NEWAPI(mac)) { 3606 bwn_key_dowrite(mac, i + 4, BWN_SEC_ALGO_NONE, 3607 NULL, BWN_SEC_KEYSIZE, NULL); 3608 } 3609 mac->mac_key[i].keyconf = NULL; 3610 } 3611 } 3612 3613 static void 3614 bwn_crypt_init(struct bwn_mac *mac) 3615 { 3616 struct bwn_softc *sc = mac->mac_sc; 3617 3618 mac->mac_max_nr_keys = (bhnd_get_hwrev(sc->sc_dev) >= 5) ? 58 : 20; 3619 KASSERT(mac->mac_max_nr_keys <= N(mac->mac_key), 3620 ("%s:%d: fail", __func__, __LINE__)); 3621 mac->mac_ktp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_KEY_TABLEP); 3622 mac->mac_ktp *= 2; 3623 if (bhnd_get_hwrev(sc->sc_dev) >= 5) 3624 BWN_WRITE_2(mac, BWN_RCMTA_COUNT, mac->mac_max_nr_keys - 8); 3625 bwn_clear_keys(mac); 3626 } 3627 3628 static void 3629 bwn_chip_exit(struct bwn_mac *mac) 3630 { 3631 bwn_phy_exit(mac); 3632 } 3633 3634 static int 3635 bwn_fw_fillinfo(struct bwn_mac *mac) 3636 { 3637 int error; 3638 3639 error = bwn_fw_gets(mac, BWN_FWTYPE_DEFAULT); 3640 if (error == 0) 3641 return (0); 3642 error = bwn_fw_gets(mac, BWN_FWTYPE_OPENSOURCE); 3643 if (error == 0) 3644 return (0); 3645 return (error); 3646 } 3647 3648 /** 3649 * Request that the GPIO controller tristate all pins set in @p mask, granting 3650 * the MAC core control over the pins. 3651 * 3652 * @param mac bwn MAC state. 3653 * @param pins If the bit position for a pin number is set to one, tristate the 3654 * pin. 3655 */ 3656 int 3657 bwn_gpio_control(struct bwn_mac *mac, uint32_t pins) 3658 { 3659 struct bwn_softc *sc; 3660 uint32_t flags[32]; 3661 int error; 3662 3663 sc = mac->mac_sc; 3664 3665 /* Determine desired pin flags */ 3666 for (size_t pin = 0; pin < nitems(flags); pin++) { 3667 uint32_t pinbit = (1 << pin); 3668 3669 if (pins & pinbit) { 3670 /* Tristate output */ 3671 flags[pin] = GPIO_PIN_OUTPUT|GPIO_PIN_TRISTATE; 3672 } else { 3673 /* Leave unmodified */ 3674 flags[pin] = 0; 3675 } 3676 } 3677 3678 /* Configure all pins */ 3679 error = GPIO_PIN_CONFIG_32(sc->sc_gpio, 0, nitems(flags), flags); 3680 if (error) { 3681 device_printf(sc->sc_dev, "error configuring %s pin flags: " 3682 "%d\n", device_get_nameunit(sc->sc_gpio), error); 3683 return (error); 3684 } 3685 3686 return (0); 3687 } 3688 3689 3690 static int 3691 bwn_gpio_init(struct bwn_mac *mac) 3692 { 3693 struct bwn_softc *sc; 3694 uint32_t pins; 3695 3696 sc = mac->mac_sc; 3697 3698 pins = 0xF; 3699 3700 BWN_WRITE_4(mac, BWN_MACCTL, 3701 BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_GPOUT_MASK); 3702 BWN_WRITE_2(mac, BWN_GPIO_MASK, 3703 BWN_READ_2(mac, BWN_GPIO_MASK) | pins); 3704 3705 if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL) { 3706 /* MAC core is responsible for toggling PAREF via gpio9 */ 3707 BWN_WRITE_2(mac, BWN_GPIO_MASK, 3708 BWN_READ_2(mac, BWN_GPIO_MASK) | BHND_GPIO_BOARD_PACTRL); 3709 3710 pins |= BHND_GPIO_BOARD_PACTRL; 3711 } 3712 3713 return (bwn_gpio_control(mac, pins)); 3714 } 3715 3716 static int 3717 bwn_fw_loadinitvals(struct bwn_mac *mac) 3718 { 3719 #define GETFWOFFSET(fwp, offset) \ 3720 ((const struct bwn_fwinitvals *)((const char *)fwp.fw->data + offset)) 3721 const size_t hdr_len = sizeof(struct bwn_fwhdr); 3722 const struct bwn_fwhdr *hdr; 3723 struct bwn_fw *fw = &mac->mac_fw; 3724 int error; 3725 3726 hdr = (const struct bwn_fwhdr *)(fw->initvals.fw->data); 3727 error = bwn_fwinitvals_write(mac, GETFWOFFSET(fw->initvals, hdr_len), 3728 be32toh(hdr->size), fw->initvals.fw->datasize - hdr_len); 3729 if (error) 3730 return (error); 3731 if (fw->initvals_band.fw) { 3732 hdr = (const struct bwn_fwhdr *)(fw->initvals_band.fw->data); 3733 error = bwn_fwinitvals_write(mac, 3734 GETFWOFFSET(fw->initvals_band, hdr_len), 3735 be32toh(hdr->size), 3736 fw->initvals_band.fw->datasize - hdr_len); 3737 } 3738 return (error); 3739 #undef GETFWOFFSET 3740 } 3741 3742 static int 3743 bwn_phy_init(struct bwn_mac *mac) 3744 { 3745 struct bwn_softc *sc = mac->mac_sc; 3746 int error; 3747 3748 mac->mac_phy.chan = mac->mac_phy.get_default_chan(mac); 3749 mac->mac_phy.rf_onoff(mac, 1); 3750 error = mac->mac_phy.init(mac); 3751 if (error) { 3752 device_printf(sc->sc_dev, "PHY init failed\n"); 3753 goto fail0; 3754 } 3755 error = bwn_switch_channel(mac, 3756 mac->mac_phy.get_default_chan(mac)); 3757 if (error) { 3758 device_printf(sc->sc_dev, 3759 "failed to switch default channel\n"); 3760 goto fail1; 3761 } 3762 return (0); 3763 fail1: 3764 if (mac->mac_phy.exit) 3765 mac->mac_phy.exit(mac); 3766 fail0: 3767 mac->mac_phy.rf_onoff(mac, 0); 3768 3769 return (error); 3770 } 3771 3772 static void 3773 bwn_set_txantenna(struct bwn_mac *mac, int antenna) 3774 { 3775 uint16_t ant; 3776 uint16_t tmp; 3777 3778 ant = bwn_ant2phy(antenna); 3779 3780 /* For ACK/CTS */ 3781 tmp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL); 3782 tmp = (tmp & ~BWN_TX_PHY_ANT) | ant; 3783 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL, tmp); 3784 /* For Probe Resposes */ 3785 tmp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL); 3786 tmp = (tmp & ~BWN_TX_PHY_ANT) | ant; 3787 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL, tmp); 3788 } 3789 3790 static void 3791 bwn_set_opmode(struct bwn_mac *mac) 3792 { 3793 struct bwn_softc *sc = mac->mac_sc; 3794 struct ieee80211com *ic = &sc->sc_ic; 3795 uint32_t ctl; 3796 uint16_t cfp_pretbtt; 3797 3798 ctl = BWN_READ_4(mac, BWN_MACCTL); 3799 ctl &= ~(BWN_MACCTL_HOSTAP | BWN_MACCTL_PASS_CTL | 3800 BWN_MACCTL_PASS_BADPLCP | BWN_MACCTL_PASS_BADFCS | 3801 BWN_MACCTL_PROMISC | BWN_MACCTL_BEACON_PROMISC); 3802 ctl |= BWN_MACCTL_STA; 3803 3804 if (ic->ic_opmode == IEEE80211_M_HOSTAP || 3805 ic->ic_opmode == IEEE80211_M_MBSS) 3806 ctl |= BWN_MACCTL_HOSTAP; 3807 else if (ic->ic_opmode == IEEE80211_M_IBSS) 3808 ctl &= ~BWN_MACCTL_STA; 3809 ctl |= sc->sc_filters; 3810 3811 if (bhnd_get_hwrev(sc->sc_dev) <= 4) 3812 ctl |= BWN_MACCTL_PROMISC; 3813 3814 BWN_WRITE_4(mac, BWN_MACCTL, ctl); 3815 3816 cfp_pretbtt = 2; 3817 if ((ctl & BWN_MACCTL_STA) && !(ctl & BWN_MACCTL_HOSTAP)) { 3818 if (sc->sc_cid.chip_id == BHND_CHIPID_BCM4306 && 3819 sc->sc_cid.chip_rev == 3) 3820 cfp_pretbtt = 100; 3821 else 3822 cfp_pretbtt = 50; 3823 } 3824 BWN_WRITE_2(mac, 0x612, cfp_pretbtt); 3825 } 3826 3827 static void 3828 bwn_dma_ring_addr(void *arg, bus_dma_segment_t *seg, int nseg, int error) 3829 { 3830 if (!error) { 3831 KASSERT(nseg == 1, ("too many segments(%d)\n", nseg)); 3832 *((bus_addr_t *)arg) = seg->ds_addr; 3833 } 3834 } 3835 3836 void 3837 bwn_dummy_transmission(struct bwn_mac *mac, int ofdm, int paon) 3838 { 3839 struct bwn_phy *phy = &mac->mac_phy; 3840 struct bwn_softc *sc = mac->mac_sc; 3841 unsigned int i, max_loop; 3842 uint16_t value; 3843 uint32_t buffer[5] = { 3844 0x00000000, 0x00d40000, 0x00000000, 0x01000000, 0x00000000 3845 }; 3846 3847 if (ofdm) { 3848 max_loop = 0x1e; 3849 buffer[0] = 0x000201cc; 3850 } else { 3851 max_loop = 0xfa; 3852 buffer[0] = 0x000b846e; 3853 } 3854 3855 BWN_ASSERT_LOCKED(mac->mac_sc); 3856 3857 for (i = 0; i < 5; i++) 3858 bwn_ram_write(mac, i * 4, buffer[i]); 3859 3860 BWN_WRITE_2(mac, 0x0568, 0x0000); 3861 BWN_WRITE_2(mac, 0x07c0, 3862 (bhnd_get_hwrev(sc->sc_dev) < 11) ? 0x0000 : 0x0100); 3863 3864 value = (ofdm ? 0x41 : 0x40); 3865 BWN_WRITE_2(mac, 0x050c, value); 3866 3867 if (phy->type == BWN_PHYTYPE_N || phy->type == BWN_PHYTYPE_LP || 3868 phy->type == BWN_PHYTYPE_LCN) 3869 BWN_WRITE_2(mac, 0x0514, 0x1a02); 3870 BWN_WRITE_2(mac, 0x0508, 0x0000); 3871 BWN_WRITE_2(mac, 0x050a, 0x0000); 3872 BWN_WRITE_2(mac, 0x054c, 0x0000); 3873 BWN_WRITE_2(mac, 0x056a, 0x0014); 3874 BWN_WRITE_2(mac, 0x0568, 0x0826); 3875 BWN_WRITE_2(mac, 0x0500, 0x0000); 3876 3877 /* XXX TODO: n phy pa override? */ 3878 3879 switch (phy->type) { 3880 case BWN_PHYTYPE_N: 3881 case BWN_PHYTYPE_LCN: 3882 BWN_WRITE_2(mac, 0x0502, 0x00d0); 3883 break; 3884 case BWN_PHYTYPE_LP: 3885 BWN_WRITE_2(mac, 0x0502, 0x0050); 3886 break; 3887 default: 3888 BWN_WRITE_2(mac, 0x0502, 0x0030); 3889 break; 3890 } 3891 3892 /* flush */ 3893 BWN_READ_2(mac, 0x0502); 3894 3895 if (phy->rf_ver == 0x2050 && phy->rf_rev <= 0x5) 3896 BWN_RF_WRITE(mac, 0x0051, 0x0017); 3897 for (i = 0x00; i < max_loop; i++) { 3898 value = BWN_READ_2(mac, 0x050e); 3899 if (value & 0x0080) 3900 break; 3901 DELAY(10); 3902 } 3903 for (i = 0x00; i < 0x0a; i++) { 3904 value = BWN_READ_2(mac, 0x050e); 3905 if (value & 0x0400) 3906 break; 3907 DELAY(10); 3908 } 3909 for (i = 0x00; i < 0x19; i++) { 3910 value = BWN_READ_2(mac, 0x0690); 3911 if (!(value & 0x0100)) 3912 break; 3913 DELAY(10); 3914 } 3915 if (phy->rf_ver == 0x2050 && phy->rf_rev <= 0x5) 3916 BWN_RF_WRITE(mac, 0x0051, 0x0037); 3917 } 3918 3919 void 3920 bwn_ram_write(struct bwn_mac *mac, uint16_t offset, uint32_t val) 3921 { 3922 uint32_t macctl; 3923 3924 KASSERT(offset % 4 == 0, ("%s:%d: fail", __func__, __LINE__)); 3925 3926 macctl = BWN_READ_4(mac, BWN_MACCTL); 3927 if (macctl & BWN_MACCTL_BIGENDIAN) 3928 printf("TODO: need swap\n"); 3929 3930 BWN_WRITE_4(mac, BWN_RAM_CONTROL, offset); 3931 BWN_BARRIER(mac, BWN_RAM_CONTROL, 4, BUS_SPACE_BARRIER_WRITE); 3932 BWN_WRITE_4(mac, BWN_RAM_DATA, val); 3933 } 3934 3935 void 3936 bwn_mac_suspend(struct bwn_mac *mac) 3937 { 3938 struct bwn_softc *sc = mac->mac_sc; 3939 int i; 3940 uint32_t tmp; 3941 3942 KASSERT(mac->mac_suspended >= 0, 3943 ("%s:%d: fail", __func__, __LINE__)); 3944 3945 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: suspended=%d\n", 3946 __func__, mac->mac_suspended); 3947 3948 if (mac->mac_suspended == 0) { 3949 bwn_psctl(mac, BWN_PS_AWAKE); 3950 BWN_WRITE_4(mac, BWN_MACCTL, 3951 BWN_READ_4(mac, BWN_MACCTL) 3952 & ~BWN_MACCTL_ON); 3953 BWN_READ_4(mac, BWN_MACCTL); 3954 for (i = 35; i; i--) { 3955 tmp = BWN_READ_4(mac, BWN_INTR_REASON); 3956 if (tmp & BWN_INTR_MAC_SUSPENDED) 3957 goto out; 3958 DELAY(10); 3959 } 3960 for (i = 40; i; i--) { 3961 tmp = BWN_READ_4(mac, BWN_INTR_REASON); 3962 if (tmp & BWN_INTR_MAC_SUSPENDED) 3963 goto out; 3964 DELAY(1000); 3965 } 3966 device_printf(sc->sc_dev, "MAC suspend failed\n"); 3967 } 3968 out: 3969 mac->mac_suspended++; 3970 } 3971 3972 void 3973 bwn_mac_enable(struct bwn_mac *mac) 3974 { 3975 struct bwn_softc *sc = mac->mac_sc; 3976 uint16_t state; 3977 3978 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: suspended=%d\n", 3979 __func__, mac->mac_suspended); 3980 3981 state = bwn_shm_read_2(mac, BWN_SHARED, 3982 BWN_SHARED_UCODESTAT); 3983 if (state != BWN_SHARED_UCODESTAT_SUSPEND && 3984 state != BWN_SHARED_UCODESTAT_SLEEP) { 3985 DPRINTF(sc, BWN_DEBUG_FW, 3986 "%s: warn: firmware state (%d)\n", 3987 __func__, state); 3988 } 3989 3990 mac->mac_suspended--; 3991 KASSERT(mac->mac_suspended >= 0, 3992 ("%s:%d: fail", __func__, __LINE__)); 3993 if (mac->mac_suspended == 0) { 3994 BWN_WRITE_4(mac, BWN_MACCTL, 3995 BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_ON); 3996 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_MAC_SUSPENDED); 3997 BWN_READ_4(mac, BWN_MACCTL); 3998 BWN_READ_4(mac, BWN_INTR_REASON); 3999 bwn_psctl(mac, 0); 4000 } 4001 } 4002 4003 void 4004 bwn_psctl(struct bwn_mac *mac, uint32_t flags) 4005 { 4006 struct bwn_softc *sc = mac->mac_sc; 4007 int i; 4008 uint16_t ucstat; 4009 4010 KASSERT(!((flags & BWN_PS_ON) && (flags & BWN_PS_OFF)), 4011 ("%s:%d: fail", __func__, __LINE__)); 4012 KASSERT(!((flags & BWN_PS_AWAKE) && (flags & BWN_PS_ASLEEP)), 4013 ("%s:%d: fail", __func__, __LINE__)); 4014 4015 /* XXX forcibly awake and hwps-off */ 4016 4017 BWN_WRITE_4(mac, BWN_MACCTL, 4018 (BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_AWAKE) & 4019 ~BWN_MACCTL_HWPS); 4020 BWN_READ_4(mac, BWN_MACCTL); 4021 if (bhnd_get_hwrev(sc->sc_dev) >= 5) { 4022 for (i = 0; i < 100; i++) { 4023 ucstat = bwn_shm_read_2(mac, BWN_SHARED, 4024 BWN_SHARED_UCODESTAT); 4025 if (ucstat != BWN_SHARED_UCODESTAT_SLEEP) 4026 break; 4027 DELAY(10); 4028 } 4029 } 4030 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: ucstat=%d\n", __func__, 4031 ucstat); 4032 } 4033 4034 static int 4035 bwn_fw_gets(struct bwn_mac *mac, enum bwn_fwtype type) 4036 { 4037 struct bwn_softc *sc = mac->mac_sc; 4038 struct bwn_fw *fw = &mac->mac_fw; 4039 const uint8_t rev = bhnd_get_hwrev(sc->sc_dev); 4040 const char *filename; 4041 uint16_t iost; 4042 int error; 4043 4044 /* microcode */ 4045 filename = NULL; 4046 switch (rev) { 4047 case 42: 4048 if (mac->mac_phy.type == BWN_PHYTYPE_AC) 4049 filename = "ucode42"; 4050 break; 4051 case 40: 4052 if (mac->mac_phy.type == BWN_PHYTYPE_AC) 4053 filename = "ucode40"; 4054 break; 4055 case 33: 4056 if (mac->mac_phy.type == BWN_PHYTYPE_LCN40) 4057 filename = "ucode33_lcn40"; 4058 break; 4059 case 30: 4060 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4061 filename = "ucode30_mimo"; 4062 break; 4063 case 29: 4064 if (mac->mac_phy.type == BWN_PHYTYPE_HT) 4065 filename = "ucode29_mimo"; 4066 break; 4067 case 26: 4068 if (mac->mac_phy.type == BWN_PHYTYPE_HT) 4069 filename = "ucode26_mimo"; 4070 break; 4071 case 28: 4072 case 25: 4073 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4074 filename = "ucode25_mimo"; 4075 else if (mac->mac_phy.type == BWN_PHYTYPE_LCN) 4076 filename = "ucode25_lcn"; 4077 break; 4078 case 24: 4079 if (mac->mac_phy.type == BWN_PHYTYPE_LCN) 4080 filename = "ucode24_lcn"; 4081 break; 4082 case 23: 4083 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4084 filename = "ucode16_mimo"; 4085 break; 4086 case 16: 4087 case 17: 4088 case 18: 4089 case 19: 4090 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4091 filename = "ucode16_mimo"; 4092 else if (mac->mac_phy.type == BWN_PHYTYPE_LP) 4093 filename = "ucode16_lp"; 4094 break; 4095 case 15: 4096 filename = "ucode15"; 4097 break; 4098 case 14: 4099 filename = "ucode14"; 4100 break; 4101 case 13: 4102 filename = "ucode13"; 4103 break; 4104 case 12: 4105 case 11: 4106 filename = "ucode11"; 4107 break; 4108 case 10: 4109 case 9: 4110 case 8: 4111 case 7: 4112 case 6: 4113 case 5: 4114 filename = "ucode5"; 4115 break; 4116 default: 4117 device_printf(sc->sc_dev, "no ucode for rev %d\n", rev); 4118 bwn_release_firmware(mac); 4119 return (EOPNOTSUPP); 4120 } 4121 4122 device_printf(sc->sc_dev, "ucode fw: %s\n", filename); 4123 error = bwn_fw_get(mac, type, filename, &fw->ucode); 4124 if (error) { 4125 bwn_release_firmware(mac); 4126 return (error); 4127 } 4128 4129 /* PCM */ 4130 KASSERT(fw->no_pcmfile == 0, ("%s:%d fail", __func__, __LINE__)); 4131 if (rev >= 5 && rev <= 10) { 4132 error = bwn_fw_get(mac, type, "pcm5", &fw->pcm); 4133 if (error == ENOENT) 4134 fw->no_pcmfile = 1; 4135 else if (error) { 4136 bwn_release_firmware(mac); 4137 return (error); 4138 } 4139 } else if (rev < 11) { 4140 device_printf(sc->sc_dev, "no PCM for rev %d\n", rev); 4141 bwn_release_firmware(mac); 4142 return (EOPNOTSUPP); 4143 } 4144 4145 /* initvals */ 4146 error = bhnd_read_iost(sc->sc_dev, &iost); 4147 if (error) 4148 goto fail1; 4149 4150 switch (mac->mac_phy.type) { 4151 case BWN_PHYTYPE_A: 4152 if (rev < 5 || rev > 10) 4153 goto fail1; 4154 if (iost & BWN_IOST_HAVE_2GHZ) 4155 filename = "a0g1initvals5"; 4156 else 4157 filename = "a0g0initvals5"; 4158 break; 4159 case BWN_PHYTYPE_G: 4160 if (rev >= 5 && rev <= 10) 4161 filename = "b0g0initvals5"; 4162 else if (rev >= 13) 4163 filename = "b0g0initvals13"; 4164 else 4165 goto fail1; 4166 break; 4167 case BWN_PHYTYPE_LP: 4168 if (rev == 13) 4169 filename = "lp0initvals13"; 4170 else if (rev == 14) 4171 filename = "lp0initvals14"; 4172 else if (rev >= 15) 4173 filename = "lp0initvals15"; 4174 else 4175 goto fail1; 4176 break; 4177 case BWN_PHYTYPE_N: 4178 if (rev == 30) 4179 filename = "n16initvals30"; 4180 else if (rev == 28 || rev == 25) 4181 filename = "n0initvals25"; 4182 else if (rev == 24) 4183 filename = "n0initvals24"; 4184 else if (rev == 23) 4185 filename = "n0initvals16"; 4186 else if (rev >= 16 && rev <= 18) 4187 filename = "n0initvals16"; 4188 else if (rev >= 11 && rev <= 12) 4189 filename = "n0initvals11"; 4190 else 4191 goto fail1; 4192 break; 4193 default: 4194 goto fail1; 4195 } 4196 error = bwn_fw_get(mac, type, filename, &fw->initvals); 4197 if (error) { 4198 bwn_release_firmware(mac); 4199 return (error); 4200 } 4201 4202 /* bandswitch initvals */ 4203 switch (mac->mac_phy.type) { 4204 case BWN_PHYTYPE_A: 4205 if (rev >= 5 && rev <= 10) { 4206 if (iost & BWN_IOST_HAVE_2GHZ) 4207 filename = "a0g1bsinitvals5"; 4208 else 4209 filename = "a0g0bsinitvals5"; 4210 } else if (rev >= 11) 4211 filename = NULL; 4212 else 4213 goto fail1; 4214 break; 4215 case BWN_PHYTYPE_G: 4216 if (rev >= 5 && rev <= 10) 4217 filename = "b0g0bsinitvals5"; 4218 else if (rev >= 11) 4219 filename = NULL; 4220 else 4221 goto fail1; 4222 break; 4223 case BWN_PHYTYPE_LP: 4224 if (rev == 13) 4225 filename = "lp0bsinitvals13"; 4226 else if (rev == 14) 4227 filename = "lp0bsinitvals14"; 4228 else if (rev >= 15) 4229 filename = "lp0bsinitvals15"; 4230 else 4231 goto fail1; 4232 break; 4233 case BWN_PHYTYPE_N: 4234 if (rev == 30) 4235 filename = "n16bsinitvals30"; 4236 else if (rev == 28 || rev == 25) 4237 filename = "n0bsinitvals25"; 4238 else if (rev == 24) 4239 filename = "n0bsinitvals24"; 4240 else if (rev == 23) 4241 filename = "n0bsinitvals16"; 4242 else if (rev >= 16 && rev <= 18) 4243 filename = "n0bsinitvals16"; 4244 else if (rev >= 11 && rev <= 12) 4245 filename = "n0bsinitvals11"; 4246 else 4247 goto fail1; 4248 break; 4249 default: 4250 device_printf(sc->sc_dev, "unknown phy (%d)\n", 4251 mac->mac_phy.type); 4252 goto fail1; 4253 } 4254 error = bwn_fw_get(mac, type, filename, &fw->initvals_band); 4255 if (error) { 4256 bwn_release_firmware(mac); 4257 return (error); 4258 } 4259 return (0); 4260 fail1: 4261 device_printf(sc->sc_dev, "no INITVALS for rev %d, phy.type %d\n", 4262 rev, mac->mac_phy.type); 4263 bwn_release_firmware(mac); 4264 return (EOPNOTSUPP); 4265 } 4266 4267 static int 4268 bwn_fw_get(struct bwn_mac *mac, enum bwn_fwtype type, 4269 const char *name, struct bwn_fwfile *bfw) 4270 { 4271 const struct bwn_fwhdr *hdr; 4272 struct bwn_softc *sc = mac->mac_sc; 4273 const struct firmware *fw; 4274 char namebuf[64]; 4275 4276 if (name == NULL) { 4277 bwn_do_release_fw(bfw); 4278 return (0); 4279 } 4280 if (bfw->filename != NULL) { 4281 if (bfw->type == type && (strcmp(bfw->filename, name) == 0)) 4282 return (0); 4283 bwn_do_release_fw(bfw); 4284 } 4285 4286 snprintf(namebuf, sizeof(namebuf), "bwn%s_v4_%s%s", 4287 (type == BWN_FWTYPE_OPENSOURCE) ? "-open" : "", 4288 (mac->mac_phy.type == BWN_PHYTYPE_LP) ? "lp_" : "", name); 4289 /* XXX Sleeping on "fwload" with the non-sleepable locks held */ 4290 fw = firmware_get(namebuf); 4291 if (fw == NULL) { 4292 device_printf(sc->sc_dev, "the fw file(%s) not found\n", 4293 namebuf); 4294 return (ENOENT); 4295 } 4296 if (fw->datasize < sizeof(struct bwn_fwhdr)) 4297 goto fail; 4298 hdr = (const struct bwn_fwhdr *)(fw->data); 4299 switch (hdr->type) { 4300 case BWN_FWTYPE_UCODE: 4301 case BWN_FWTYPE_PCM: 4302 if (be32toh(hdr->size) != 4303 (fw->datasize - sizeof(struct bwn_fwhdr))) 4304 goto fail; 4305 /* FALLTHROUGH */ 4306 case BWN_FWTYPE_IV: 4307 if (hdr->ver != 1) 4308 goto fail; 4309 break; 4310 default: 4311 goto fail; 4312 } 4313 bfw->filename = name; 4314 bfw->fw = fw; 4315 bfw->type = type; 4316 return (0); 4317 fail: 4318 device_printf(sc->sc_dev, "the fw file(%s) format error\n", namebuf); 4319 if (fw != NULL) 4320 firmware_put(fw, FIRMWARE_UNLOAD); 4321 return (EPROTO); 4322 } 4323 4324 static void 4325 bwn_release_firmware(struct bwn_mac *mac) 4326 { 4327 4328 bwn_do_release_fw(&mac->mac_fw.ucode); 4329 bwn_do_release_fw(&mac->mac_fw.pcm); 4330 bwn_do_release_fw(&mac->mac_fw.initvals); 4331 bwn_do_release_fw(&mac->mac_fw.initvals_band); 4332 } 4333 4334 static void 4335 bwn_do_release_fw(struct bwn_fwfile *bfw) 4336 { 4337 4338 if (bfw->fw != NULL) 4339 firmware_put(bfw->fw, FIRMWARE_UNLOAD); 4340 bfw->fw = NULL; 4341 bfw->filename = NULL; 4342 } 4343 4344 static int 4345 bwn_fw_loaducode(struct bwn_mac *mac) 4346 { 4347 #define GETFWOFFSET(fwp, offset) \ 4348 ((const uint32_t *)((const char *)fwp.fw->data + offset)) 4349 #define GETFWSIZE(fwp, offset) \ 4350 ((fwp.fw->datasize - offset) / sizeof(uint32_t)) 4351 struct bwn_softc *sc = mac->mac_sc; 4352 const uint32_t *data; 4353 unsigned int i; 4354 uint32_t ctl; 4355 uint16_t date, fwcaps, time; 4356 int error = 0; 4357 4358 ctl = BWN_READ_4(mac, BWN_MACCTL); 4359 ctl |= BWN_MACCTL_MCODE_JMP0; 4360 KASSERT(!(ctl & BWN_MACCTL_MCODE_RUN), ("%s:%d: fail", __func__, 4361 __LINE__)); 4362 BWN_WRITE_4(mac, BWN_MACCTL, ctl); 4363 for (i = 0; i < 64; i++) 4364 bwn_shm_write_2(mac, BWN_SCRATCH, i, 0); 4365 for (i = 0; i < 4096; i += 2) 4366 bwn_shm_write_2(mac, BWN_SHARED, i, 0); 4367 4368 data = GETFWOFFSET(mac->mac_fw.ucode, sizeof(struct bwn_fwhdr)); 4369 bwn_shm_ctlword(mac, BWN_UCODE | BWN_SHARED_AUTOINC, 0x0000); 4370 for (i = 0; i < GETFWSIZE(mac->mac_fw.ucode, sizeof(struct bwn_fwhdr)); 4371 i++) { 4372 BWN_WRITE_4(mac, BWN_SHM_DATA, be32toh(data[i])); 4373 DELAY(10); 4374 } 4375 4376 if (mac->mac_fw.pcm.fw) { 4377 data = GETFWOFFSET(mac->mac_fw.pcm, sizeof(struct bwn_fwhdr)); 4378 bwn_shm_ctlword(mac, BWN_HW, 0x01ea); 4379 BWN_WRITE_4(mac, BWN_SHM_DATA, 0x00004000); 4380 bwn_shm_ctlword(mac, BWN_HW, 0x01eb); 4381 for (i = 0; i < GETFWSIZE(mac->mac_fw.pcm, 4382 sizeof(struct bwn_fwhdr)); i++) { 4383 BWN_WRITE_4(mac, BWN_SHM_DATA, be32toh(data[i])); 4384 DELAY(10); 4385 } 4386 } 4387 4388 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_ALL); 4389 BWN_WRITE_4(mac, BWN_MACCTL, 4390 (BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_MCODE_JMP0) | 4391 BWN_MACCTL_MCODE_RUN); 4392 4393 for (i = 0; i < 21; i++) { 4394 if (BWN_READ_4(mac, BWN_INTR_REASON) == BWN_INTR_MAC_SUSPENDED) 4395 break; 4396 if (i >= 20) { 4397 device_printf(sc->sc_dev, "ucode timeout\n"); 4398 error = ENXIO; 4399 goto error; 4400 } 4401 DELAY(50000); 4402 } 4403 BWN_READ_4(mac, BWN_INTR_REASON); 4404 4405 mac->mac_fw.rev = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_REV); 4406 if (mac->mac_fw.rev <= 0x128) { 4407 device_printf(sc->sc_dev, "the firmware is too old\n"); 4408 error = EOPNOTSUPP; 4409 goto error; 4410 } 4411 4412 /* 4413 * Determine firmware header version; needed for TX/RX packet 4414 * handling. 4415 */ 4416 if (mac->mac_fw.rev >= 598) 4417 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_598; 4418 else if (mac->mac_fw.rev >= 410) 4419 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_410; 4420 else 4421 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_351; 4422 4423 /* 4424 * We don't support rev 598 or later; that requires 4425 * another round of changes to the TX/RX descriptor 4426 * and status layout. 4427 * 4428 * So, complain this is the case and exit out, rather 4429 * than attaching and then failing. 4430 */ 4431 #if 0 4432 if (mac->mac_fw.fw_hdr_format == BWN_FW_HDR_598) { 4433 device_printf(sc->sc_dev, 4434 "firmware is too new (>=598); not supported\n"); 4435 error = EOPNOTSUPP; 4436 goto error; 4437 } 4438 #endif 4439 4440 mac->mac_fw.patch = bwn_shm_read_2(mac, BWN_SHARED, 4441 BWN_SHARED_UCODE_PATCH); 4442 date = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_DATE); 4443 mac->mac_fw.opensource = (date == 0xffff); 4444 if (bwn_wme != 0) 4445 mac->mac_flags |= BWN_MAC_FLAG_WME; 4446 mac->mac_flags |= BWN_MAC_FLAG_HWCRYPTO; 4447 4448 time = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_TIME); 4449 if (mac->mac_fw.opensource == 0) { 4450 device_printf(sc->sc_dev, 4451 "firmware version (rev %u patch %u date %#x time %#x)\n", 4452 mac->mac_fw.rev, mac->mac_fw.patch, date, time); 4453 if (mac->mac_fw.no_pcmfile) 4454 device_printf(sc->sc_dev, 4455 "no HW crypto acceleration due to pcm5\n"); 4456 } else { 4457 mac->mac_fw.patch = time; 4458 fwcaps = bwn_fwcaps_read(mac); 4459 if (!(fwcaps & BWN_FWCAPS_HWCRYPTO) || mac->mac_fw.no_pcmfile) { 4460 device_printf(sc->sc_dev, 4461 "disabling HW crypto acceleration\n"); 4462 mac->mac_flags &= ~BWN_MAC_FLAG_HWCRYPTO; 4463 } 4464 if (!(fwcaps & BWN_FWCAPS_WME)) { 4465 device_printf(sc->sc_dev, "disabling WME support\n"); 4466 mac->mac_flags &= ~BWN_MAC_FLAG_WME; 4467 } 4468 } 4469 4470 if (BWN_ISOLDFMT(mac)) 4471 device_printf(sc->sc_dev, "using old firmware image\n"); 4472 4473 return (0); 4474 4475 error: 4476 BWN_WRITE_4(mac, BWN_MACCTL, 4477 (BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_MCODE_RUN) | 4478 BWN_MACCTL_MCODE_JMP0); 4479 4480 return (error); 4481 #undef GETFWSIZE 4482 #undef GETFWOFFSET 4483 } 4484 4485 /* OpenFirmware only */ 4486 static uint16_t 4487 bwn_fwcaps_read(struct bwn_mac *mac) 4488 { 4489 4490 KASSERT(mac->mac_fw.opensource == 1, 4491 ("%s:%d: fail", __func__, __LINE__)); 4492 return (bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_FWCAPS)); 4493 } 4494 4495 static int 4496 bwn_fwinitvals_write(struct bwn_mac *mac, const struct bwn_fwinitvals *ivals, 4497 size_t count, size_t array_size) 4498 { 4499 #define GET_NEXTIV16(iv) \ 4500 ((const struct bwn_fwinitvals *)((const uint8_t *)(iv) + \ 4501 sizeof(uint16_t) + sizeof(uint16_t))) 4502 #define GET_NEXTIV32(iv) \ 4503 ((const struct bwn_fwinitvals *)((const uint8_t *)(iv) + \ 4504 sizeof(uint16_t) + sizeof(uint32_t))) 4505 struct bwn_softc *sc = mac->mac_sc; 4506 const struct bwn_fwinitvals *iv; 4507 uint16_t offset; 4508 size_t i; 4509 uint8_t bit32; 4510 4511 KASSERT(sizeof(struct bwn_fwinitvals) == 6, 4512 ("%s:%d: fail", __func__, __LINE__)); 4513 iv = ivals; 4514 for (i = 0; i < count; i++) { 4515 if (array_size < sizeof(iv->offset_size)) 4516 goto fail; 4517 array_size -= sizeof(iv->offset_size); 4518 offset = be16toh(iv->offset_size); 4519 bit32 = (offset & BWN_FWINITVALS_32BIT) ? 1 : 0; 4520 offset &= BWN_FWINITVALS_OFFSET_MASK; 4521 if (offset >= 0x1000) 4522 goto fail; 4523 if (bit32) { 4524 if (array_size < sizeof(iv->data.d32)) 4525 goto fail; 4526 array_size -= sizeof(iv->data.d32); 4527 BWN_WRITE_4(mac, offset, be32toh(iv->data.d32)); 4528 iv = GET_NEXTIV32(iv); 4529 } else { 4530 4531 if (array_size < sizeof(iv->data.d16)) 4532 goto fail; 4533 array_size -= sizeof(iv->data.d16); 4534 BWN_WRITE_2(mac, offset, be16toh(iv->data.d16)); 4535 4536 iv = GET_NEXTIV16(iv); 4537 } 4538 } 4539 if (array_size != 0) 4540 goto fail; 4541 return (0); 4542 fail: 4543 device_printf(sc->sc_dev, "initvals: invalid format\n"); 4544 return (EPROTO); 4545 #undef GET_NEXTIV16 4546 #undef GET_NEXTIV32 4547 } 4548 4549 int 4550 bwn_switch_channel(struct bwn_mac *mac, int chan) 4551 { 4552 struct bwn_phy *phy = &(mac->mac_phy); 4553 struct bwn_softc *sc = mac->mac_sc; 4554 struct ieee80211com *ic = &sc->sc_ic; 4555 uint16_t channelcookie, savedcookie; 4556 int error; 4557 4558 if (chan == 0xffff) 4559 chan = phy->get_default_chan(mac); 4560 4561 channelcookie = chan; 4562 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 4563 channelcookie |= 0x100; 4564 savedcookie = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_CHAN); 4565 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_CHAN, channelcookie); 4566 error = phy->switch_channel(mac, chan); 4567 if (error) 4568 goto fail; 4569 4570 mac->mac_phy.chan = chan; 4571 DELAY(8000); 4572 return (0); 4573 fail: 4574 device_printf(sc->sc_dev, "failed to switch channel\n"); 4575 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_CHAN, savedcookie); 4576 return (error); 4577 } 4578 4579 static uint16_t 4580 bwn_ant2phy(int antenna) 4581 { 4582 4583 switch (antenna) { 4584 case BWN_ANT0: 4585 return (BWN_TX_PHY_ANT0); 4586 case BWN_ANT1: 4587 return (BWN_TX_PHY_ANT1); 4588 case BWN_ANT2: 4589 return (BWN_TX_PHY_ANT2); 4590 case BWN_ANT3: 4591 return (BWN_TX_PHY_ANT3); 4592 case BWN_ANTAUTO: 4593 return (BWN_TX_PHY_ANT01AUTO); 4594 } 4595 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 4596 return (0); 4597 } 4598 4599 static void 4600 bwn_wme_load(struct bwn_mac *mac) 4601 { 4602 struct bwn_softc *sc = mac->mac_sc; 4603 int i; 4604 4605 KASSERT(N(bwn_wme_shm_offsets) == N(sc->sc_wmeParams), 4606 ("%s:%d: fail", __func__, __LINE__)); 4607 4608 bwn_mac_suspend(mac); 4609 for (i = 0; i < N(sc->sc_wmeParams); i++) 4610 bwn_wme_loadparams(mac, &(sc->sc_wmeParams[i]), 4611 bwn_wme_shm_offsets[i]); 4612 bwn_mac_enable(mac); 4613 } 4614 4615 static void 4616 bwn_wme_loadparams(struct bwn_mac *mac, 4617 const struct wmeParams *p, uint16_t shm_offset) 4618 { 4619 #define SM(_v, _f) (((_v) << _f##_S) & _f) 4620 struct bwn_softc *sc = mac->mac_sc; 4621 uint16_t params[BWN_NR_WMEPARAMS]; 4622 int slot, tmp; 4623 unsigned int i; 4624 4625 slot = BWN_READ_2(mac, BWN_RNG) & 4626 SM(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4627 4628 memset(¶ms, 0, sizeof(params)); 4629 4630 DPRINTF(sc, BWN_DEBUG_WME, "wmep_txopLimit %d wmep_logcwmin %d " 4631 "wmep_logcwmax %d wmep_aifsn %d\n", p->wmep_txopLimit, 4632 p->wmep_logcwmin, p->wmep_logcwmax, p->wmep_aifsn); 4633 4634 params[BWN_WMEPARAM_TXOP] = p->wmep_txopLimit * 32; 4635 params[BWN_WMEPARAM_CWMIN] = SM(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4636 params[BWN_WMEPARAM_CWMAX] = SM(p->wmep_logcwmax, WME_PARAM_LOGCWMAX); 4637 params[BWN_WMEPARAM_CWCUR] = SM(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4638 params[BWN_WMEPARAM_AIFS] = p->wmep_aifsn; 4639 params[BWN_WMEPARAM_BSLOTS] = slot; 4640 params[BWN_WMEPARAM_REGGAP] = slot + p->wmep_aifsn; 4641 4642 for (i = 0; i < N(params); i++) { 4643 if (i == BWN_WMEPARAM_STATUS) { 4644 tmp = bwn_shm_read_2(mac, BWN_SHARED, 4645 shm_offset + (i * 2)); 4646 tmp |= 0x100; 4647 bwn_shm_write_2(mac, BWN_SHARED, shm_offset + (i * 2), 4648 tmp); 4649 } else { 4650 bwn_shm_write_2(mac, BWN_SHARED, shm_offset + (i * 2), 4651 params[i]); 4652 } 4653 } 4654 } 4655 4656 static void 4657 bwn_mac_write_bssid(struct bwn_mac *mac) 4658 { 4659 struct bwn_softc *sc = mac->mac_sc; 4660 uint32_t tmp; 4661 int i; 4662 uint8_t mac_bssid[IEEE80211_ADDR_LEN * 2]; 4663 4664 bwn_mac_setfilter(mac, BWN_MACFILTER_BSSID, sc->sc_bssid); 4665 memcpy(mac_bssid, sc->sc_ic.ic_macaddr, IEEE80211_ADDR_LEN); 4666 memcpy(mac_bssid + IEEE80211_ADDR_LEN, sc->sc_bssid, 4667 IEEE80211_ADDR_LEN); 4668 4669 for (i = 0; i < N(mac_bssid); i += sizeof(uint32_t)) { 4670 tmp = (uint32_t) (mac_bssid[i + 0]); 4671 tmp |= (uint32_t) (mac_bssid[i + 1]) << 8; 4672 tmp |= (uint32_t) (mac_bssid[i + 2]) << 16; 4673 tmp |= (uint32_t) (mac_bssid[i + 3]) << 24; 4674 bwn_ram_write(mac, 0x20 + i, tmp); 4675 } 4676 } 4677 4678 static void 4679 bwn_mac_setfilter(struct bwn_mac *mac, uint16_t offset, 4680 const uint8_t *macaddr) 4681 { 4682 static const uint8_t zero[IEEE80211_ADDR_LEN] = { 0 }; 4683 uint16_t data; 4684 4685 if (!mac) 4686 macaddr = zero; 4687 4688 offset |= 0x0020; 4689 BWN_WRITE_2(mac, BWN_MACFILTER_CONTROL, offset); 4690 4691 data = macaddr[0]; 4692 data |= macaddr[1] << 8; 4693 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4694 data = macaddr[2]; 4695 data |= macaddr[3] << 8; 4696 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4697 data = macaddr[4]; 4698 data |= macaddr[5] << 8; 4699 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4700 } 4701 4702 static void 4703 bwn_key_dowrite(struct bwn_mac *mac, uint8_t index, uint8_t algorithm, 4704 const uint8_t *key, size_t key_len, const uint8_t *mac_addr) 4705 { 4706 uint8_t buf[BWN_SEC_KEYSIZE] = { 0, }; 4707 uint8_t per_sta_keys_start = 8; 4708 4709 if (BWN_SEC_NEWAPI(mac)) 4710 per_sta_keys_start = 4; 4711 4712 KASSERT(index < mac->mac_max_nr_keys, 4713 ("%s:%d: fail", __func__, __LINE__)); 4714 KASSERT(key_len <= BWN_SEC_KEYSIZE, 4715 ("%s:%d: fail", __func__, __LINE__)); 4716 4717 if (index >= per_sta_keys_start) 4718 bwn_key_macwrite(mac, index, NULL); 4719 if (key) 4720 memcpy(buf, key, key_len); 4721 bwn_key_write(mac, index, algorithm, buf); 4722 if (index >= per_sta_keys_start) 4723 bwn_key_macwrite(mac, index, mac_addr); 4724 4725 mac->mac_key[index].algorithm = algorithm; 4726 } 4727 4728 static void 4729 bwn_key_macwrite(struct bwn_mac *mac, uint8_t index, const uint8_t *addr) 4730 { 4731 struct bwn_softc *sc = mac->mac_sc; 4732 uint32_t addrtmp[2] = { 0, 0 }; 4733 uint8_t start = 8; 4734 4735 if (BWN_SEC_NEWAPI(mac)) 4736 start = 4; 4737 4738 KASSERT(index >= start, 4739 ("%s:%d: fail", __func__, __LINE__)); 4740 index -= start; 4741 4742 if (addr) { 4743 addrtmp[0] = addr[0]; 4744 addrtmp[0] |= ((uint32_t) (addr[1]) << 8); 4745 addrtmp[0] |= ((uint32_t) (addr[2]) << 16); 4746 addrtmp[0] |= ((uint32_t) (addr[3]) << 24); 4747 addrtmp[1] = addr[4]; 4748 addrtmp[1] |= ((uint32_t) (addr[5]) << 8); 4749 } 4750 4751 if (bhnd_get_hwrev(sc->sc_dev) >= 5) { 4752 bwn_shm_write_4(mac, BWN_RCMTA, (index * 2) + 0, addrtmp[0]); 4753 bwn_shm_write_2(mac, BWN_RCMTA, (index * 2) + 1, addrtmp[1]); 4754 } else { 4755 if (index >= 8) { 4756 bwn_shm_write_4(mac, BWN_SHARED, 4757 BWN_SHARED_PSM + (index * 6) + 0, addrtmp[0]); 4758 bwn_shm_write_2(mac, BWN_SHARED, 4759 BWN_SHARED_PSM + (index * 6) + 4, addrtmp[1]); 4760 } 4761 } 4762 } 4763 4764 static void 4765 bwn_key_write(struct bwn_mac *mac, uint8_t index, uint8_t algorithm, 4766 const uint8_t *key) 4767 { 4768 unsigned int i; 4769 uint32_t offset; 4770 uint16_t kidx, value; 4771 4772 kidx = BWN_SEC_KEY2FW(mac, index); 4773 bwn_shm_write_2(mac, BWN_SHARED, 4774 BWN_SHARED_KEYIDX_BLOCK + (kidx * 2), (kidx << 4) | algorithm); 4775 4776 offset = mac->mac_ktp + (index * BWN_SEC_KEYSIZE); 4777 for (i = 0; i < BWN_SEC_KEYSIZE; i += 2) { 4778 value = key[i]; 4779 value |= (uint16_t)(key[i + 1]) << 8; 4780 bwn_shm_write_2(mac, BWN_SHARED, offset + i, value); 4781 } 4782 } 4783 4784 static void 4785 bwn_phy_exit(struct bwn_mac *mac) 4786 { 4787 4788 mac->mac_phy.rf_onoff(mac, 0); 4789 if (mac->mac_phy.exit != NULL) 4790 mac->mac_phy.exit(mac); 4791 } 4792 4793 static void 4794 bwn_dma_free(struct bwn_mac *mac) 4795 { 4796 struct bwn_dma *dma; 4797 4798 if ((mac->mac_flags & BWN_MAC_FLAG_DMA) == 0) 4799 return; 4800 dma = &mac->mac_method.dma; 4801 4802 bwn_dma_ringfree(&dma->rx); 4803 bwn_dma_ringfree(&dma->wme[WME_AC_BK]); 4804 bwn_dma_ringfree(&dma->wme[WME_AC_BE]); 4805 bwn_dma_ringfree(&dma->wme[WME_AC_VI]); 4806 bwn_dma_ringfree(&dma->wme[WME_AC_VO]); 4807 bwn_dma_ringfree(&dma->mcast); 4808 } 4809 4810 static void 4811 bwn_core_stop(struct bwn_mac *mac) 4812 { 4813 struct bwn_softc *sc = mac->mac_sc; 4814 4815 BWN_ASSERT_LOCKED(sc); 4816 4817 if (mac->mac_status < BWN_MAC_STATUS_STARTED) 4818 return; 4819 4820 callout_stop(&sc->sc_rfswitch_ch); 4821 callout_stop(&sc->sc_task_ch); 4822 callout_stop(&sc->sc_watchdog_ch); 4823 sc->sc_watchdog_timer = 0; 4824 BWN_WRITE_4(mac, BWN_INTR_MASK, 0); 4825 BWN_READ_4(mac, BWN_INTR_MASK); 4826 bwn_mac_suspend(mac); 4827 4828 mac->mac_status = BWN_MAC_STATUS_INITED; 4829 } 4830 4831 static int 4832 bwn_switch_band(struct bwn_softc *sc, struct ieee80211_channel *chan) 4833 { 4834 struct bwn_mac *up_dev = NULL; 4835 struct bwn_mac *down_dev; 4836 struct bwn_mac *mac; 4837 int err, status; 4838 uint8_t gmode; 4839 4840 BWN_ASSERT_LOCKED(sc); 4841 4842 TAILQ_FOREACH(mac, &sc->sc_maclist, mac_list) { 4843 if (IEEE80211_IS_CHAN_2GHZ(chan) && 4844 mac->mac_phy.supports_2ghz) { 4845 up_dev = mac; 4846 gmode = 1; 4847 } else if (IEEE80211_IS_CHAN_5GHZ(chan) && 4848 mac->mac_phy.supports_5ghz) { 4849 up_dev = mac; 4850 gmode = 0; 4851 } else { 4852 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 4853 return (EINVAL); 4854 } 4855 if (up_dev != NULL) 4856 break; 4857 } 4858 if (up_dev == NULL) { 4859 device_printf(sc->sc_dev, "Could not find a device\n"); 4860 return (ENODEV); 4861 } 4862 if (up_dev == sc->sc_curmac && sc->sc_curmac->mac_phy.gmode == gmode) 4863 return (0); 4864 4865 DPRINTF(sc, BWN_DEBUG_RF | BWN_DEBUG_PHY | BWN_DEBUG_RESET, 4866 "switching to %s-GHz band\n", 4867 IEEE80211_IS_CHAN_2GHZ(chan) ? "2" : "5"); 4868 4869 down_dev = sc->sc_curmac; 4870 status = down_dev->mac_status; 4871 if (status >= BWN_MAC_STATUS_STARTED) 4872 bwn_core_stop(down_dev); 4873 if (status >= BWN_MAC_STATUS_INITED) 4874 bwn_core_exit(down_dev); 4875 4876 if (down_dev != up_dev) { 4877 err = bwn_phy_reset(down_dev); 4878 if (err) 4879 goto fail; 4880 } 4881 4882 up_dev->mac_phy.gmode = gmode; 4883 if (status >= BWN_MAC_STATUS_INITED) { 4884 err = bwn_core_init(up_dev); 4885 if (err) { 4886 device_printf(sc->sc_dev, 4887 "fatal: failed to initialize for %s-GHz\n", 4888 IEEE80211_IS_CHAN_2GHZ(chan) ? "2" : "5"); 4889 goto fail; 4890 } 4891 } 4892 if (status >= BWN_MAC_STATUS_STARTED) 4893 bwn_core_start(up_dev); 4894 KASSERT(up_dev->mac_status == status, ("%s: fail", __func__)); 4895 sc->sc_curmac = up_dev; 4896 4897 return (0); 4898 fail: 4899 sc->sc_curmac = NULL; 4900 return (err); 4901 } 4902 4903 static void 4904 bwn_rf_turnon(struct bwn_mac *mac) 4905 { 4906 4907 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 4908 4909 bwn_mac_suspend(mac); 4910 mac->mac_phy.rf_onoff(mac, 1); 4911 mac->mac_phy.rf_on = 1; 4912 bwn_mac_enable(mac); 4913 } 4914 4915 static void 4916 bwn_rf_turnoff(struct bwn_mac *mac) 4917 { 4918 4919 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 4920 4921 bwn_mac_suspend(mac); 4922 mac->mac_phy.rf_onoff(mac, 0); 4923 mac->mac_phy.rf_on = 0; 4924 bwn_mac_enable(mac); 4925 } 4926 4927 /* 4928 * PHY reset. 4929 */ 4930 static int 4931 bwn_phy_reset(struct bwn_mac *mac) 4932 { 4933 struct bwn_softc *sc; 4934 uint16_t iost, mask; 4935 int error; 4936 4937 sc = mac->mac_sc; 4938 4939 iost = BWN_IOCTL_PHYRESET | BHND_IOCTL_CLK_FORCE; 4940 mask = iost | BWN_IOCTL_SUPPORT_G; 4941 4942 if ((error = bhnd_write_ioctl(sc->sc_dev, iost, mask))) 4943 return (error); 4944 4945 DELAY(1000); 4946 4947 iost &= ~BHND_IOCTL_CLK_FORCE; 4948 4949 if ((error = bhnd_write_ioctl(sc->sc_dev, iost, mask))) 4950 return (error); 4951 4952 DELAY(1000); 4953 4954 return (0); 4955 } 4956 4957 static int 4958 bwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 4959 { 4960 struct bwn_vap *bvp = BWN_VAP(vap); 4961 struct ieee80211com *ic= vap->iv_ic; 4962 enum ieee80211_state ostate = vap->iv_state; 4963 struct bwn_softc *sc = ic->ic_softc; 4964 struct bwn_mac *mac = sc->sc_curmac; 4965 int error; 4966 4967 DPRINTF(sc, BWN_DEBUG_STATE, "%s: %s -> %s\n", __func__, 4968 ieee80211_state_name[vap->iv_state], 4969 ieee80211_state_name[nstate]); 4970 4971 error = bvp->bv_newstate(vap, nstate, arg); 4972 if (error != 0) 4973 return (error); 4974 4975 BWN_LOCK(sc); 4976 4977 bwn_led_newstate(mac, nstate); 4978 4979 /* 4980 * Clear the BSSID when we stop a STA 4981 */ 4982 if (vap->iv_opmode == IEEE80211_M_STA) { 4983 if (ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_RUN) { 4984 /* 4985 * Clear out the BSSID. If we reassociate to 4986 * the same AP, this will reinialize things 4987 * correctly... 4988 */ 4989 if (ic->ic_opmode == IEEE80211_M_STA && 4990 (sc->sc_flags & BWN_FLAG_INVALID) == 0) { 4991 memset(sc->sc_bssid, 0, IEEE80211_ADDR_LEN); 4992 bwn_set_macaddr(mac); 4993 } 4994 } 4995 } 4996 4997 if (vap->iv_opmode == IEEE80211_M_MONITOR || 4998 vap->iv_opmode == IEEE80211_M_AHDEMO) { 4999 /* XXX nothing to do? */ 5000 } else if (nstate == IEEE80211_S_RUN) { 5001 memcpy(sc->sc_bssid, vap->iv_bss->ni_bssid, IEEE80211_ADDR_LEN); 5002 bwn_set_opmode(mac); 5003 bwn_set_pretbtt(mac); 5004 bwn_spu_setdelay(mac, 0); 5005 bwn_set_macaddr(mac); 5006 } 5007 5008 BWN_UNLOCK(sc); 5009 5010 return (error); 5011 } 5012 5013 static void 5014 bwn_set_pretbtt(struct bwn_mac *mac) 5015 { 5016 struct bwn_softc *sc = mac->mac_sc; 5017 struct ieee80211com *ic = &sc->sc_ic; 5018 uint16_t pretbtt; 5019 5020 if (ic->ic_opmode == IEEE80211_M_IBSS) 5021 pretbtt = 2; 5022 else 5023 pretbtt = (mac->mac_phy.type == BWN_PHYTYPE_A) ? 120 : 250; 5024 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PRETBTT, pretbtt); 5025 BWN_WRITE_2(mac, BWN_TSF_CFP_PRETBTT, pretbtt); 5026 } 5027 5028 static int 5029 bwn_intr(void *arg) 5030 { 5031 struct bwn_mac *mac = arg; 5032 struct bwn_softc *sc = mac->mac_sc; 5033 uint32_t reason; 5034 5035 if (mac->mac_status < BWN_MAC_STATUS_STARTED || 5036 (sc->sc_flags & BWN_FLAG_INVALID)) 5037 return (FILTER_STRAY); 5038 5039 DPRINTF(sc, BWN_DEBUG_INTR, "%s: called\n", __func__); 5040 5041 reason = BWN_READ_4(mac, BWN_INTR_REASON); 5042 if (reason == 0xffffffff) /* shared IRQ */ 5043 return (FILTER_STRAY); 5044 reason &= mac->mac_intr_mask; 5045 if (reason == 0) 5046 return (FILTER_HANDLED); 5047 DPRINTF(sc, BWN_DEBUG_INTR, "%s: reason=0x%08x\n", __func__, reason); 5048 5049 mac->mac_reason[0] = BWN_READ_4(mac, BWN_DMA0_REASON) & 0x0001dc00; 5050 mac->mac_reason[1] = BWN_READ_4(mac, BWN_DMA1_REASON) & 0x0000dc00; 5051 mac->mac_reason[2] = BWN_READ_4(mac, BWN_DMA2_REASON) & 0x0000dc00; 5052 mac->mac_reason[3] = BWN_READ_4(mac, BWN_DMA3_REASON) & 0x0001dc00; 5053 mac->mac_reason[4] = BWN_READ_4(mac, BWN_DMA4_REASON) & 0x0000dc00; 5054 BWN_WRITE_4(mac, BWN_INTR_REASON, reason); 5055 BWN_WRITE_4(mac, BWN_DMA0_REASON, mac->mac_reason[0]); 5056 BWN_WRITE_4(mac, BWN_DMA1_REASON, mac->mac_reason[1]); 5057 BWN_WRITE_4(mac, BWN_DMA2_REASON, mac->mac_reason[2]); 5058 BWN_WRITE_4(mac, BWN_DMA3_REASON, mac->mac_reason[3]); 5059 BWN_WRITE_4(mac, BWN_DMA4_REASON, mac->mac_reason[4]); 5060 5061 /* Disable interrupts. */ 5062 BWN_WRITE_4(mac, BWN_INTR_MASK, 0); 5063 5064 mac->mac_reason_intr = reason; 5065 5066 BWN_BARRIER(mac, 0, 0, BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE); 5067 5068 taskqueue_enqueue(sc->sc_tq, &mac->mac_intrtask); 5069 return (FILTER_HANDLED); 5070 } 5071 5072 static void 5073 bwn_intrtask(void *arg, int npending) 5074 { 5075 struct epoch_tracker et; 5076 struct bwn_mac *mac = arg; 5077 struct bwn_softc *sc = mac->mac_sc; 5078 uint32_t merged = 0; 5079 int i, tx = 0, rx = 0; 5080 5081 BWN_LOCK(sc); 5082 if (mac->mac_status < BWN_MAC_STATUS_STARTED || 5083 (sc->sc_flags & BWN_FLAG_INVALID)) { 5084 BWN_UNLOCK(sc); 5085 return; 5086 } 5087 5088 for (i = 0; i < N(mac->mac_reason); i++) 5089 merged |= mac->mac_reason[i]; 5090 5091 if (mac->mac_reason_intr & BWN_INTR_MAC_TXERR) 5092 device_printf(sc->sc_dev, "MAC trans error\n"); 5093 5094 if (mac->mac_reason_intr & BWN_INTR_PHY_TXERR) { 5095 DPRINTF(sc, BWN_DEBUG_INTR, "%s: PHY trans error\n", __func__); 5096 mac->mac_phy.txerrors--; 5097 if (mac->mac_phy.txerrors == 0) { 5098 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 5099 bwn_restart(mac, "PHY TX errors"); 5100 } 5101 } 5102 5103 if (merged & (BWN_DMAINTR_FATALMASK | BWN_DMAINTR_NONFATALMASK)) { 5104 if (merged & BWN_DMAINTR_FATALMASK) { 5105 device_printf(sc->sc_dev, 5106 "Fatal DMA error: %#x %#x %#x %#x %#x %#x\n", 5107 mac->mac_reason[0], mac->mac_reason[1], 5108 mac->mac_reason[2], mac->mac_reason[3], 5109 mac->mac_reason[4], mac->mac_reason[5]); 5110 bwn_restart(mac, "DMA error"); 5111 BWN_UNLOCK(sc); 5112 return; 5113 } 5114 if (merged & BWN_DMAINTR_NONFATALMASK) { 5115 device_printf(sc->sc_dev, 5116 "DMA error: %#x %#x %#x %#x %#x %#x\n", 5117 mac->mac_reason[0], mac->mac_reason[1], 5118 mac->mac_reason[2], mac->mac_reason[3], 5119 mac->mac_reason[4], mac->mac_reason[5]); 5120 } 5121 } 5122 5123 if (mac->mac_reason_intr & BWN_INTR_UCODE_DEBUG) 5124 bwn_intr_ucode_debug(mac); 5125 if (mac->mac_reason_intr & BWN_INTR_TBTT_INDI) 5126 bwn_intr_tbtt_indication(mac); 5127 if (mac->mac_reason_intr & BWN_INTR_ATIM_END) 5128 bwn_intr_atim_end(mac); 5129 if (mac->mac_reason_intr & BWN_INTR_BEACON) 5130 bwn_intr_beacon(mac); 5131 if (mac->mac_reason_intr & BWN_INTR_PMQ) 5132 bwn_intr_pmq(mac); 5133 if (mac->mac_reason_intr & BWN_INTR_NOISESAMPLE_OK) 5134 bwn_intr_noise(mac); 5135 5136 NET_EPOCH_ENTER(et); 5137 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 5138 if (mac->mac_reason[0] & BWN_DMAINTR_RX_DONE) { 5139 bwn_dma_rx(mac->mac_method.dma.rx); 5140 rx = 1; 5141 } 5142 } else 5143 rx = bwn_pio_rx(&mac->mac_method.pio.rx); 5144 NET_EPOCH_EXIT(et); 5145 5146 KASSERT(!(mac->mac_reason[1] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5147 KASSERT(!(mac->mac_reason[2] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5148 KASSERT(!(mac->mac_reason[3] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5149 KASSERT(!(mac->mac_reason[4] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5150 KASSERT(!(mac->mac_reason[5] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5151 5152 if (mac->mac_reason_intr & BWN_INTR_TX_OK) { 5153 bwn_intr_txeof(mac); 5154 tx = 1; 5155 } 5156 5157 BWN_WRITE_4(mac, BWN_INTR_MASK, mac->mac_intr_mask); 5158 5159 if (sc->sc_blink_led != NULL && sc->sc_led_blink) { 5160 int evt = BWN_LED_EVENT_NONE; 5161 5162 if (tx && rx) { 5163 if (sc->sc_rx_rate > sc->sc_tx_rate) 5164 evt = BWN_LED_EVENT_RX; 5165 else 5166 evt = BWN_LED_EVENT_TX; 5167 } else if (tx) { 5168 evt = BWN_LED_EVENT_TX; 5169 } else if (rx) { 5170 evt = BWN_LED_EVENT_RX; 5171 } else if (rx == 0) { 5172 evt = BWN_LED_EVENT_POLL; 5173 } 5174 5175 if (evt != BWN_LED_EVENT_NONE) 5176 bwn_led_event(mac, evt); 5177 } 5178 5179 if (mbufq_first(&sc->sc_snd) != NULL) 5180 bwn_start(sc); 5181 5182 BWN_BARRIER(mac, 0, 0, BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE); 5183 5184 BWN_UNLOCK(sc); 5185 } 5186 5187 static void 5188 bwn_restart(struct bwn_mac *mac, const char *msg) 5189 { 5190 struct bwn_softc *sc = mac->mac_sc; 5191 struct ieee80211com *ic = &sc->sc_ic; 5192 5193 if (mac->mac_status < BWN_MAC_STATUS_INITED) 5194 return; 5195 5196 device_printf(sc->sc_dev, "HW reset: %s\n", msg); 5197 ieee80211_runtask(ic, &mac->mac_hwreset); 5198 } 5199 5200 static void 5201 bwn_intr_ucode_debug(struct bwn_mac *mac) 5202 { 5203 struct bwn_softc *sc = mac->mac_sc; 5204 uint16_t reason; 5205 5206 if (mac->mac_fw.opensource == 0) 5207 return; 5208 5209 reason = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_DEBUGINTR_REASON_REG); 5210 switch (reason) { 5211 case BWN_DEBUGINTR_PANIC: 5212 bwn_handle_fwpanic(mac); 5213 break; 5214 case BWN_DEBUGINTR_DUMP_SHM: 5215 device_printf(sc->sc_dev, "BWN_DEBUGINTR_DUMP_SHM\n"); 5216 break; 5217 case BWN_DEBUGINTR_DUMP_REGS: 5218 device_printf(sc->sc_dev, "BWN_DEBUGINTR_DUMP_REGS\n"); 5219 break; 5220 case BWN_DEBUGINTR_MARKER: 5221 device_printf(sc->sc_dev, "BWN_DEBUGINTR_MARKER\n"); 5222 break; 5223 default: 5224 device_printf(sc->sc_dev, 5225 "ucode debug unknown reason: %#x\n", reason); 5226 } 5227 5228 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_DEBUGINTR_REASON_REG, 5229 BWN_DEBUGINTR_ACK); 5230 } 5231 5232 static void 5233 bwn_intr_tbtt_indication(struct bwn_mac *mac) 5234 { 5235 struct bwn_softc *sc = mac->mac_sc; 5236 struct ieee80211com *ic = &sc->sc_ic; 5237 5238 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 5239 bwn_psctl(mac, 0); 5240 if (ic->ic_opmode == IEEE80211_M_IBSS) 5241 mac->mac_flags |= BWN_MAC_FLAG_DFQVALID; 5242 } 5243 5244 static void 5245 bwn_intr_atim_end(struct bwn_mac *mac) 5246 { 5247 5248 if (mac->mac_flags & BWN_MAC_FLAG_DFQVALID) { 5249 BWN_WRITE_4(mac, BWN_MACCMD, 5250 BWN_READ_4(mac, BWN_MACCMD) | BWN_MACCMD_DFQ_VALID); 5251 mac->mac_flags &= ~BWN_MAC_FLAG_DFQVALID; 5252 } 5253 } 5254 5255 static void 5256 bwn_intr_beacon(struct bwn_mac *mac) 5257 { 5258 struct bwn_softc *sc = mac->mac_sc; 5259 struct ieee80211com *ic = &sc->sc_ic; 5260 uint32_t cmd, beacon0, beacon1; 5261 5262 if (ic->ic_opmode == IEEE80211_M_HOSTAP || 5263 ic->ic_opmode == IEEE80211_M_MBSS) 5264 return; 5265 5266 mac->mac_intr_mask &= ~BWN_INTR_BEACON; 5267 5268 cmd = BWN_READ_4(mac, BWN_MACCMD); 5269 beacon0 = (cmd & BWN_MACCMD_BEACON0_VALID); 5270 beacon1 = (cmd & BWN_MACCMD_BEACON1_VALID); 5271 5272 if (beacon0 && beacon1) { 5273 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_BEACON); 5274 mac->mac_intr_mask |= BWN_INTR_BEACON; 5275 return; 5276 } 5277 5278 if (sc->sc_flags & BWN_FLAG_NEED_BEACON_TP) { 5279 sc->sc_flags &= ~BWN_FLAG_NEED_BEACON_TP; 5280 bwn_load_beacon0(mac); 5281 bwn_load_beacon1(mac); 5282 cmd = BWN_READ_4(mac, BWN_MACCMD); 5283 cmd |= BWN_MACCMD_BEACON0_VALID; 5284 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5285 } else { 5286 if (!beacon0) { 5287 bwn_load_beacon0(mac); 5288 cmd = BWN_READ_4(mac, BWN_MACCMD); 5289 cmd |= BWN_MACCMD_BEACON0_VALID; 5290 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5291 } else if (!beacon1) { 5292 bwn_load_beacon1(mac); 5293 cmd = BWN_READ_4(mac, BWN_MACCMD); 5294 cmd |= BWN_MACCMD_BEACON1_VALID; 5295 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5296 } 5297 } 5298 } 5299 5300 static void 5301 bwn_intr_pmq(struct bwn_mac *mac) 5302 { 5303 uint32_t tmp; 5304 5305 while (1) { 5306 tmp = BWN_READ_4(mac, BWN_PS_STATUS); 5307 if (!(tmp & 0x00000008)) 5308 break; 5309 } 5310 BWN_WRITE_2(mac, BWN_PS_STATUS, 0x0002); 5311 } 5312 5313 static void 5314 bwn_intr_noise(struct bwn_mac *mac) 5315 { 5316 struct bwn_phy_g *pg = &mac->mac_phy.phy_g; 5317 uint16_t tmp; 5318 uint8_t noise[4]; 5319 uint8_t i, j; 5320 int32_t average; 5321 5322 if (mac->mac_phy.type != BWN_PHYTYPE_G) 5323 return; 5324 5325 KASSERT(mac->mac_noise.noi_running, ("%s: fail", __func__)); 5326 *((uint32_t *)noise) = htole32(bwn_jssi_read(mac)); 5327 if (noise[0] == 0x7f || noise[1] == 0x7f || noise[2] == 0x7f || 5328 noise[3] == 0x7f) 5329 goto new; 5330 5331 KASSERT(mac->mac_noise.noi_nsamples < 8, 5332 ("%s:%d: fail", __func__, __LINE__)); 5333 i = mac->mac_noise.noi_nsamples; 5334 noise[0] = MIN(MAX(noise[0], 0), N(pg->pg_nrssi_lt) - 1); 5335 noise[1] = MIN(MAX(noise[1], 0), N(pg->pg_nrssi_lt) - 1); 5336 noise[2] = MIN(MAX(noise[2], 0), N(pg->pg_nrssi_lt) - 1); 5337 noise[3] = MIN(MAX(noise[3], 0), N(pg->pg_nrssi_lt) - 1); 5338 mac->mac_noise.noi_samples[i][0] = pg->pg_nrssi_lt[noise[0]]; 5339 mac->mac_noise.noi_samples[i][1] = pg->pg_nrssi_lt[noise[1]]; 5340 mac->mac_noise.noi_samples[i][2] = pg->pg_nrssi_lt[noise[2]]; 5341 mac->mac_noise.noi_samples[i][3] = pg->pg_nrssi_lt[noise[3]]; 5342 mac->mac_noise.noi_nsamples++; 5343 if (mac->mac_noise.noi_nsamples == 8) { 5344 average = 0; 5345 for (i = 0; i < 8; i++) { 5346 for (j = 0; j < 4; j++) 5347 average += mac->mac_noise.noi_samples[i][j]; 5348 } 5349 average = (((average / 32) * 125) + 64) / 128; 5350 tmp = (bwn_shm_read_2(mac, BWN_SHARED, 0x40c) / 128) & 0x1f; 5351 if (tmp >= 8) 5352 average += 2; 5353 else 5354 average -= 25; 5355 average -= (tmp == 8) ? 72 : 48; 5356 5357 mac->mac_stats.link_noise = average; 5358 mac->mac_noise.noi_running = 0; 5359 return; 5360 } 5361 new: 5362 bwn_noise_gensample(mac); 5363 } 5364 5365 static int 5366 bwn_pio_rx(struct bwn_pio_rxqueue *prq) 5367 { 5368 struct bwn_mac *mac = prq->prq_mac; 5369 struct bwn_softc *sc = mac->mac_sc; 5370 unsigned int i; 5371 5372 BWN_ASSERT_LOCKED(sc); 5373 5374 if (mac->mac_status < BWN_MAC_STATUS_STARTED) 5375 return (0); 5376 5377 for (i = 0; i < 5000; i++) { 5378 if (bwn_pio_rxeof(prq) == 0) 5379 break; 5380 } 5381 if (i >= 5000) 5382 device_printf(sc->sc_dev, "too many RX frames in PIO mode\n"); 5383 return ((i > 0) ? 1 : 0); 5384 } 5385 5386 static void 5387 bwn_dma_rx(struct bwn_dma_ring *dr) 5388 { 5389 int slot, curslot; 5390 5391 KASSERT(!dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 5392 curslot = dr->get_curslot(dr); 5393 KASSERT(curslot >= 0 && curslot < dr->dr_numslots, 5394 ("%s:%d: fail", __func__, __LINE__)); 5395 5396 slot = dr->dr_curslot; 5397 for (; slot != curslot; slot = bwn_dma_nextslot(dr, slot)) 5398 bwn_dma_rxeof(dr, &slot); 5399 5400 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 5401 BUS_DMASYNC_PREWRITE); 5402 5403 dr->set_curslot(dr, slot); 5404 dr->dr_curslot = slot; 5405 } 5406 5407 static void 5408 bwn_intr_txeof(struct bwn_mac *mac) 5409 { 5410 struct bwn_txstatus stat; 5411 uint32_t stat0, stat1; 5412 uint16_t tmp; 5413 5414 BWN_ASSERT_LOCKED(mac->mac_sc); 5415 5416 while (1) { 5417 stat0 = BWN_READ_4(mac, BWN_XMITSTAT_0); 5418 if (!(stat0 & 0x00000001)) 5419 break; 5420 stat1 = BWN_READ_4(mac, BWN_XMITSTAT_1); 5421 5422 DPRINTF(mac->mac_sc, BWN_DEBUG_XMIT, 5423 "%s: stat0=0x%08x, stat1=0x%08x\n", 5424 __func__, 5425 stat0, 5426 stat1); 5427 5428 stat.cookie = (stat0 >> 16); 5429 stat.seq = (stat1 & 0x0000ffff); 5430 stat.phy_stat = ((stat1 & 0x00ff0000) >> 16); 5431 tmp = (stat0 & 0x0000ffff); 5432 stat.framecnt = ((tmp & 0xf000) >> 12); 5433 stat.rtscnt = ((tmp & 0x0f00) >> 8); 5434 stat.sreason = ((tmp & 0x001c) >> 2); 5435 stat.pm = (tmp & 0x0080) ? 1 : 0; 5436 stat.im = (tmp & 0x0040) ? 1 : 0; 5437 stat.ampdu = (tmp & 0x0020) ? 1 : 0; 5438 stat.ack = (tmp & 0x0002) ? 1 : 0; 5439 5440 DPRINTF(mac->mac_sc, BWN_DEBUG_XMIT, 5441 "%s: cookie=%d, seq=%d, phystat=0x%02x, framecnt=%d, " 5442 "rtscnt=%d, sreason=%d, pm=%d, im=%d, ampdu=%d, ack=%d\n", 5443 __func__, 5444 stat.cookie, 5445 stat.seq, 5446 stat.phy_stat, 5447 stat.framecnt, 5448 stat.rtscnt, 5449 stat.sreason, 5450 stat.pm, 5451 stat.im, 5452 stat.ampdu, 5453 stat.ack); 5454 5455 bwn_handle_txeof(mac, &stat); 5456 } 5457 } 5458 5459 static void 5460 bwn_hwreset(void *arg, int npending) 5461 { 5462 struct bwn_mac *mac = arg; 5463 struct bwn_softc *sc = mac->mac_sc; 5464 int error = 0; 5465 int prev_status; 5466 5467 BWN_LOCK(sc); 5468 5469 prev_status = mac->mac_status; 5470 if (prev_status >= BWN_MAC_STATUS_STARTED) 5471 bwn_core_stop(mac); 5472 if (prev_status >= BWN_MAC_STATUS_INITED) 5473 bwn_core_exit(mac); 5474 5475 if (prev_status >= BWN_MAC_STATUS_INITED) { 5476 error = bwn_core_init(mac); 5477 if (error) 5478 goto out; 5479 } 5480 if (prev_status >= BWN_MAC_STATUS_STARTED) 5481 bwn_core_start(mac); 5482 out: 5483 if (error) { 5484 device_printf(sc->sc_dev, "%s: failed (%d)\n", __func__, error); 5485 sc->sc_curmac = NULL; 5486 } 5487 BWN_UNLOCK(sc); 5488 } 5489 5490 static void 5491 bwn_handle_fwpanic(struct bwn_mac *mac) 5492 { 5493 struct bwn_softc *sc = mac->mac_sc; 5494 uint16_t reason; 5495 5496 reason = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_FWPANIC_REASON_REG); 5497 device_printf(sc->sc_dev,"fw panic (%u)\n", reason); 5498 5499 if (reason == BWN_FWPANIC_RESTART) 5500 bwn_restart(mac, "ucode panic"); 5501 } 5502 5503 static void 5504 bwn_load_beacon0(struct bwn_mac *mac) 5505 { 5506 5507 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 5508 } 5509 5510 static void 5511 bwn_load_beacon1(struct bwn_mac *mac) 5512 { 5513 5514 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 5515 } 5516 5517 static uint32_t 5518 bwn_jssi_read(struct bwn_mac *mac) 5519 { 5520 uint32_t val = 0; 5521 5522 val = bwn_shm_read_2(mac, BWN_SHARED, 0x08a); 5523 val <<= 16; 5524 val |= bwn_shm_read_2(mac, BWN_SHARED, 0x088); 5525 5526 return (val); 5527 } 5528 5529 static void 5530 bwn_noise_gensample(struct bwn_mac *mac) 5531 { 5532 uint32_t jssi = 0x7f7f7f7f; 5533 5534 bwn_shm_write_2(mac, BWN_SHARED, 0x088, (jssi & 0x0000ffff)); 5535 bwn_shm_write_2(mac, BWN_SHARED, 0x08a, (jssi & 0xffff0000) >> 16); 5536 BWN_WRITE_4(mac, BWN_MACCMD, 5537 BWN_READ_4(mac, BWN_MACCMD) | BWN_MACCMD_BGNOISE); 5538 } 5539 5540 static int 5541 bwn_dma_freeslot(struct bwn_dma_ring *dr) 5542 { 5543 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 5544 5545 return (dr->dr_numslots - dr->dr_usedslot); 5546 } 5547 5548 static int 5549 bwn_dma_nextslot(struct bwn_dma_ring *dr, int slot) 5550 { 5551 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 5552 5553 KASSERT(slot >= -1 && slot <= dr->dr_numslots - 1, 5554 ("%s:%d: fail", __func__, __LINE__)); 5555 if (slot == dr->dr_numslots - 1) 5556 return (0); 5557 return (slot + 1); 5558 } 5559 5560 static void 5561 bwn_dma_rxeof(struct bwn_dma_ring *dr, int *slot) 5562 { 5563 struct bwn_mac *mac = dr->dr_mac; 5564 struct bwn_softc *sc = mac->mac_sc; 5565 struct bwn_dma *dma = &mac->mac_method.dma; 5566 struct bwn_dmadesc_generic *desc; 5567 struct bwn_dmadesc_meta *meta; 5568 struct bwn_rxhdr4 *rxhdr; 5569 struct mbuf *m; 5570 uint32_t macstat; 5571 int32_t tmp; 5572 int cnt = 0; 5573 uint16_t len; 5574 5575 dr->getdesc(dr, *slot, &desc, &meta); 5576 5577 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, BUS_DMASYNC_POSTREAD); 5578 m = meta->mt_m; 5579 5580 if (bwn_dma_newbuf(dr, desc, meta, 0)) { 5581 counter_u64_add(sc->sc_ic.ic_ierrors, 1); 5582 return; 5583 } 5584 5585 rxhdr = mtod(m, struct bwn_rxhdr4 *); 5586 len = le16toh(rxhdr->frame_len); 5587 if (len <= 0) { 5588 counter_u64_add(sc->sc_ic.ic_ierrors, 1); 5589 return; 5590 } 5591 if (bwn_dma_check_redzone(dr, m)) { 5592 device_printf(sc->sc_dev, "redzone error.\n"); 5593 bwn_dma_set_redzone(dr, m); 5594 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5595 BUS_DMASYNC_PREWRITE); 5596 return; 5597 } 5598 if (len > dr->dr_rx_bufsize) { 5599 tmp = len; 5600 while (1) { 5601 dr->getdesc(dr, *slot, &desc, &meta); 5602 bwn_dma_set_redzone(dr, meta->mt_m); 5603 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5604 BUS_DMASYNC_PREWRITE); 5605 *slot = bwn_dma_nextslot(dr, *slot); 5606 cnt++; 5607 tmp -= dr->dr_rx_bufsize; 5608 if (tmp <= 0) 5609 break; 5610 } 5611 device_printf(sc->sc_dev, "too small buffer " 5612 "(len %u buffer %u dropped %d)\n", 5613 len, dr->dr_rx_bufsize, cnt); 5614 return; 5615 } 5616 5617 switch (mac->mac_fw.fw_hdr_format) { 5618 case BWN_FW_HDR_351: 5619 case BWN_FW_HDR_410: 5620 macstat = le32toh(rxhdr->ps4.r351.mac_status); 5621 break; 5622 case BWN_FW_HDR_598: 5623 macstat = le32toh(rxhdr->ps4.r598.mac_status); 5624 break; 5625 } 5626 5627 if (macstat & BWN_RX_MAC_FCSERR) { 5628 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) { 5629 device_printf(sc->sc_dev, "RX drop\n"); 5630 return; 5631 } 5632 } 5633 5634 m->m_len = m->m_pkthdr.len = len + dr->dr_frameoffset; 5635 m_adj(m, dr->dr_frameoffset); 5636 5637 bwn_rxeof(dr->dr_mac, m, rxhdr); 5638 } 5639 5640 static void 5641 bwn_handle_txeof(struct bwn_mac *mac, const struct bwn_txstatus *status) 5642 { 5643 struct bwn_softc *sc = mac->mac_sc; 5644 struct bwn_stats *stats = &mac->mac_stats; 5645 5646 BWN_ASSERT_LOCKED(mac->mac_sc); 5647 5648 if (status->im) 5649 device_printf(sc->sc_dev, "TODO: STATUS IM\n"); 5650 if (status->ampdu) 5651 device_printf(sc->sc_dev, "TODO: STATUS AMPDU\n"); 5652 if (status->rtscnt) { 5653 if (status->rtscnt == 0xf) 5654 stats->rtsfail++; 5655 else 5656 stats->rts++; 5657 } 5658 5659 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 5660 bwn_dma_handle_txeof(mac, status); 5661 } else { 5662 bwn_pio_handle_txeof(mac, status); 5663 } 5664 5665 bwn_phy_txpower_check(mac, 0); 5666 } 5667 5668 static uint8_t 5669 bwn_pio_rxeof(struct bwn_pio_rxqueue *prq) 5670 { 5671 struct bwn_mac *mac = prq->prq_mac; 5672 struct bwn_softc *sc = mac->mac_sc; 5673 struct bwn_rxhdr4 rxhdr; 5674 struct mbuf *m; 5675 uint32_t ctl32, macstat, v32; 5676 unsigned int i, padding; 5677 uint16_t ctl16, len, totlen, v16; 5678 unsigned char *mp; 5679 char *data; 5680 5681 memset(&rxhdr, 0, sizeof(rxhdr)); 5682 5683 if (prq->prq_rev >= 8) { 5684 ctl32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXCTL); 5685 if (!(ctl32 & BWN_PIO8_RXCTL_FRAMEREADY)) 5686 return (0); 5687 bwn_pio_rx_write_4(prq, BWN_PIO8_RXCTL, 5688 BWN_PIO8_RXCTL_FRAMEREADY); 5689 for (i = 0; i < 10; i++) { 5690 ctl32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXCTL); 5691 if (ctl32 & BWN_PIO8_RXCTL_DATAREADY) 5692 goto ready; 5693 DELAY(10); 5694 } 5695 } else { 5696 ctl16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXCTL); 5697 if (!(ctl16 & BWN_PIO_RXCTL_FRAMEREADY)) 5698 return (0); 5699 bwn_pio_rx_write_2(prq, BWN_PIO_RXCTL, 5700 BWN_PIO_RXCTL_FRAMEREADY); 5701 for (i = 0; i < 10; i++) { 5702 ctl16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXCTL); 5703 if (ctl16 & BWN_PIO_RXCTL_DATAREADY) 5704 goto ready; 5705 DELAY(10); 5706 } 5707 } 5708 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 5709 return (1); 5710 ready: 5711 if (prq->prq_rev >= 8) { 5712 bus_read_multi_4(sc->sc_mem_res, 5713 prq->prq_base + BWN_PIO8_RXDATA, (void *)&rxhdr, 5714 sizeof(rxhdr)); 5715 } else { 5716 bus_read_multi_2(sc->sc_mem_res, 5717 prq->prq_base + BWN_PIO_RXDATA, (void *)&rxhdr, 5718 sizeof(rxhdr)); 5719 } 5720 len = le16toh(rxhdr.frame_len); 5721 if (len > 0x700) { 5722 device_printf(sc->sc_dev, "%s: len is too big\n", __func__); 5723 goto error; 5724 } 5725 if (len == 0) { 5726 device_printf(sc->sc_dev, "%s: len is 0\n", __func__); 5727 goto error; 5728 } 5729 5730 switch (mac->mac_fw.fw_hdr_format) { 5731 case BWN_FW_HDR_351: 5732 case BWN_FW_HDR_410: 5733 macstat = le32toh(rxhdr.ps4.r351.mac_status); 5734 break; 5735 case BWN_FW_HDR_598: 5736 macstat = le32toh(rxhdr.ps4.r598.mac_status); 5737 break; 5738 } 5739 5740 if (macstat & BWN_RX_MAC_FCSERR) { 5741 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) { 5742 device_printf(sc->sc_dev, "%s: FCS error", __func__); 5743 goto error; 5744 } 5745 } 5746 5747 padding = (macstat & BWN_RX_MAC_PADDING) ? 2 : 0; 5748 totlen = len + padding; 5749 KASSERT(totlen <= MCLBYTES, ("too big..\n")); 5750 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 5751 if (m == NULL) { 5752 device_printf(sc->sc_dev, "%s: out of memory", __func__); 5753 goto error; 5754 } 5755 mp = mtod(m, unsigned char *); 5756 if (prq->prq_rev >= 8) { 5757 bus_read_multi_4(sc->sc_mem_res, 5758 prq->prq_base + BWN_PIO8_RXDATA, (void *)mp, (totlen & ~3)); 5759 if (totlen & 3) { 5760 v32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXDATA); 5761 data = &(mp[totlen - 1]); 5762 switch (totlen & 3) { 5763 case 3: 5764 *data = (v32 >> 16); 5765 data--; 5766 case 2: 5767 *data = (v32 >> 8); 5768 data--; 5769 case 1: 5770 *data = v32; 5771 } 5772 } 5773 } else { 5774 bus_read_multi_2(sc->sc_mem_res, 5775 prq->prq_base + BWN_PIO_RXDATA, (void *)mp, (totlen & ~1)); 5776 if (totlen & 1) { 5777 v16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXDATA); 5778 mp[totlen - 1] = v16; 5779 } 5780 } 5781 5782 m->m_len = m->m_pkthdr.len = totlen; 5783 5784 bwn_rxeof(prq->prq_mac, m, &rxhdr); 5785 5786 return (1); 5787 error: 5788 if (prq->prq_rev >= 8) 5789 bwn_pio_rx_write_4(prq, BWN_PIO8_RXCTL, 5790 BWN_PIO8_RXCTL_DATAREADY); 5791 else 5792 bwn_pio_rx_write_2(prq, BWN_PIO_RXCTL, BWN_PIO_RXCTL_DATAREADY); 5793 return (1); 5794 } 5795 5796 static int 5797 bwn_dma_newbuf(struct bwn_dma_ring *dr, struct bwn_dmadesc_generic *desc, 5798 struct bwn_dmadesc_meta *meta, int init) 5799 { 5800 struct bwn_mac *mac = dr->dr_mac; 5801 struct bwn_dma *dma = &mac->mac_method.dma; 5802 struct bwn_rxhdr4 *hdr; 5803 bus_dmamap_t map; 5804 bus_addr_t paddr; 5805 struct mbuf *m; 5806 int error; 5807 5808 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 5809 if (m == NULL) { 5810 error = ENOBUFS; 5811 5812 /* 5813 * If the NIC is up and running, we need to: 5814 * - Clear RX buffer's header. 5815 * - Restore RX descriptor settings. 5816 */ 5817 if (init) 5818 return (error); 5819 else 5820 goto back; 5821 } 5822 m->m_len = m->m_pkthdr.len = MCLBYTES; 5823 5824 bwn_dma_set_redzone(dr, m); 5825 5826 /* 5827 * Try to load RX buf into temporary DMA map 5828 */ 5829 error = bus_dmamap_load_mbuf(dma->rxbuf_dtag, dr->dr_spare_dmap, m, 5830 bwn_dma_buf_addr, &paddr, BUS_DMA_NOWAIT); 5831 if (error) { 5832 m_freem(m); 5833 5834 /* 5835 * See the comment above 5836 */ 5837 if (init) 5838 return (error); 5839 else 5840 goto back; 5841 } 5842 5843 if (!init) 5844 bus_dmamap_unload(dma->rxbuf_dtag, meta->mt_dmap); 5845 meta->mt_m = m; 5846 meta->mt_paddr = paddr; 5847 5848 /* 5849 * Swap RX buf's DMA map with the loaded temporary one 5850 */ 5851 map = meta->mt_dmap; 5852 meta->mt_dmap = dr->dr_spare_dmap; 5853 dr->dr_spare_dmap = map; 5854 5855 back: 5856 /* 5857 * Clear RX buf header 5858 */ 5859 hdr = mtod(meta->mt_m, struct bwn_rxhdr4 *); 5860 bzero(hdr, sizeof(*hdr)); 5861 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5862 BUS_DMASYNC_PREWRITE); 5863 5864 /* 5865 * Setup RX buf descriptor 5866 */ 5867 dr->setdesc(dr, desc, meta->mt_paddr, meta->mt_m->m_len - 5868 sizeof(*hdr), 0, 0, 0); 5869 return (error); 5870 } 5871 5872 static void 5873 bwn_dma_buf_addr(void *arg, bus_dma_segment_t *seg, int nseg, 5874 bus_size_t mapsz __unused, int error) 5875 { 5876 5877 if (!error) { 5878 KASSERT(nseg == 1, ("too many segments(%d)\n", nseg)); 5879 *((bus_addr_t *)arg) = seg->ds_addr; 5880 } 5881 } 5882 5883 static int 5884 bwn_hwrate2ieeerate(int rate) 5885 { 5886 5887 switch (rate) { 5888 case BWN_CCK_RATE_1MB: 5889 return (2); 5890 case BWN_CCK_RATE_2MB: 5891 return (4); 5892 case BWN_CCK_RATE_5MB: 5893 return (11); 5894 case BWN_CCK_RATE_11MB: 5895 return (22); 5896 case BWN_OFDM_RATE_6MB: 5897 return (12); 5898 case BWN_OFDM_RATE_9MB: 5899 return (18); 5900 case BWN_OFDM_RATE_12MB: 5901 return (24); 5902 case BWN_OFDM_RATE_18MB: 5903 return (36); 5904 case BWN_OFDM_RATE_24MB: 5905 return (48); 5906 case BWN_OFDM_RATE_36MB: 5907 return (72); 5908 case BWN_OFDM_RATE_48MB: 5909 return (96); 5910 case BWN_OFDM_RATE_54MB: 5911 return (108); 5912 default: 5913 printf("Ooops\n"); 5914 return (0); 5915 } 5916 } 5917 5918 /* 5919 * Post process the RX provided RSSI. 5920 * 5921 * Valid for A, B, G, LP PHYs. 5922 */ 5923 static int8_t 5924 bwn_rx_rssi_calc(struct bwn_mac *mac, uint8_t in_rssi, 5925 int ofdm, int adjust_2053, int adjust_2050) 5926 { 5927 struct bwn_phy *phy = &mac->mac_phy; 5928 struct bwn_phy_g *gphy = &phy->phy_g; 5929 int tmp; 5930 5931 switch (phy->rf_ver) { 5932 case 0x2050: 5933 if (ofdm) { 5934 tmp = in_rssi; 5935 if (tmp > 127) 5936 tmp -= 256; 5937 tmp = tmp * 73 / 64; 5938 if (adjust_2050) 5939 tmp += 25; 5940 else 5941 tmp -= 3; 5942 } else { 5943 if (mac->mac_sc->sc_board_info.board_flags 5944 & BHND_BFL_ADCDIV) { 5945 if (in_rssi > 63) 5946 in_rssi = 63; 5947 tmp = gphy->pg_nrssi_lt[in_rssi]; 5948 tmp = (31 - tmp) * -131 / 128 - 57; 5949 } else { 5950 tmp = in_rssi; 5951 tmp = (31 - tmp) * -149 / 128 - 68; 5952 } 5953 if (phy->type == BWN_PHYTYPE_G && adjust_2050) 5954 tmp += 25; 5955 } 5956 break; 5957 case 0x2060: 5958 if (in_rssi > 127) 5959 tmp = in_rssi - 256; 5960 else 5961 tmp = in_rssi; 5962 break; 5963 default: 5964 tmp = in_rssi; 5965 tmp = (tmp - 11) * 103 / 64; 5966 if (adjust_2053) 5967 tmp -= 109; 5968 else 5969 tmp -= 83; 5970 } 5971 5972 return (tmp); 5973 } 5974 5975 static void 5976 bwn_rxeof(struct bwn_mac *mac, struct mbuf *m, const void *_rxhdr) 5977 { 5978 const struct bwn_rxhdr4 *rxhdr = _rxhdr; 5979 struct bwn_plcp6 *plcp; 5980 struct bwn_softc *sc = mac->mac_sc; 5981 struct ieee80211_frame_min *wh; 5982 struct ieee80211_node *ni; 5983 struct ieee80211com *ic = &sc->sc_ic; 5984 uint32_t macstat; 5985 int padding, rate, rssi = 0, noise = 0, type; 5986 uint16_t phytype, phystat0, phystat3, chanstat; 5987 unsigned char *mp = mtod(m, unsigned char *); 5988 5989 BWN_ASSERT_LOCKED(sc); 5990 5991 phystat0 = le16toh(rxhdr->phy_status0); 5992 5993 /* 5994 * XXX Note: phy_status3 doesn't exist for HT-PHY; it's only 5995 * used for LP-PHY. 5996 */ 5997 phystat3 = le16toh(rxhdr->ps3.lp.phy_status3); 5998 5999 switch (mac->mac_fw.fw_hdr_format) { 6000 case BWN_FW_HDR_351: 6001 case BWN_FW_HDR_410: 6002 macstat = le32toh(rxhdr->ps4.r351.mac_status); 6003 chanstat = le16toh(rxhdr->ps4.r351.channel); 6004 break; 6005 case BWN_FW_HDR_598: 6006 macstat = le32toh(rxhdr->ps4.r598.mac_status); 6007 chanstat = le16toh(rxhdr->ps4.r598.channel); 6008 break; 6009 } 6010 6011 6012 phytype = chanstat & BWN_RX_CHAN_PHYTYPE; 6013 6014 if (macstat & BWN_RX_MAC_FCSERR) 6015 device_printf(sc->sc_dev, "TODO RX: RX_FLAG_FAILED_FCS_CRC\n"); 6016 if (phystat0 & (BWN_RX_PHYST0_PLCPHCF | BWN_RX_PHYST0_PLCPFV)) 6017 device_printf(sc->sc_dev, "TODO RX: RX_FLAG_FAILED_PLCP_CRC\n"); 6018 if (macstat & BWN_RX_MAC_DECERR) 6019 goto drop; 6020 6021 padding = (macstat & BWN_RX_MAC_PADDING) ? 2 : 0; 6022 if (m->m_pkthdr.len < (sizeof(struct bwn_plcp6) + padding)) { 6023 device_printf(sc->sc_dev, "frame too short (length=%d)\n", 6024 m->m_pkthdr.len); 6025 goto drop; 6026 } 6027 plcp = (struct bwn_plcp6 *)(mp + padding); 6028 m_adj(m, sizeof(struct bwn_plcp6) + padding); 6029 if (m->m_pkthdr.len < IEEE80211_MIN_LEN) { 6030 device_printf(sc->sc_dev, "frame too short (length=%d)\n", 6031 m->m_pkthdr.len); 6032 goto drop; 6033 } 6034 wh = mtod(m, struct ieee80211_frame_min *); 6035 6036 if (macstat & BWN_RX_MAC_DEC) { 6037 DPRINTF(sc, BWN_DEBUG_HWCRYPTO, 6038 "RX decryption attempted (old %d keyidx %#x)\n", 6039 BWN_ISOLDFMT(mac), 6040 (macstat & BWN_RX_MAC_KEYIDX) >> BWN_RX_MAC_KEYIDX_SHIFT); 6041 } 6042 6043 if (phystat0 & BWN_RX_PHYST0_OFDM) 6044 rate = bwn_plcp_get_ofdmrate(mac, plcp, 6045 phytype == BWN_PHYTYPE_A); 6046 else 6047 rate = bwn_plcp_get_cckrate(mac, plcp); 6048 if (rate == -1) { 6049 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADPLCP)) 6050 goto drop; 6051 } 6052 sc->sc_rx_rate = bwn_hwrate2ieeerate(rate); 6053 6054 /* rssi/noise */ 6055 switch (phytype) { 6056 case BWN_PHYTYPE_A: 6057 case BWN_PHYTYPE_B: 6058 case BWN_PHYTYPE_G: 6059 case BWN_PHYTYPE_LP: 6060 rssi = bwn_rx_rssi_calc(mac, rxhdr->phy.abg.rssi, 6061 !! (phystat0 & BWN_RX_PHYST0_OFDM), 6062 !! (phystat0 & BWN_RX_PHYST0_GAINCTL), 6063 !! (phystat3 & BWN_RX_PHYST3_TRSTATE)); 6064 break; 6065 case BWN_PHYTYPE_N: 6066 /* Broadcom has code for min/avg, but always used max */ 6067 if (rxhdr->phy.n.power0 == 16 || rxhdr->phy.n.power0 == 32) 6068 rssi = max(rxhdr->phy.n.power1, rxhdr->ps2.n.power2); 6069 else 6070 rssi = max(rxhdr->phy.n.power0, rxhdr->phy.n.power1); 6071 #if 0 6072 DPRINTF(mac->mac_sc, BWN_DEBUG_RECV, 6073 "%s: power0=%d, power1=%d, power2=%d\n", 6074 __func__, 6075 rxhdr->phy.n.power0, 6076 rxhdr->phy.n.power1, 6077 rxhdr->ps2.n.power2); 6078 #endif 6079 break; 6080 default: 6081 /* XXX TODO: implement rssi for other PHYs */ 6082 break; 6083 } 6084 6085 /* 6086 * RSSI here is absolute, not relative to the noise floor. 6087 */ 6088 noise = mac->mac_stats.link_noise; 6089 rssi = rssi - noise; 6090 6091 /* RX radio tap */ 6092 if (ieee80211_radiotap_active(ic)) 6093 bwn_rx_radiotap(mac, m, rxhdr, plcp, rate, rssi, noise); 6094 m_adj(m, -IEEE80211_CRC_LEN); 6095 6096 BWN_UNLOCK(sc); 6097 6098 ni = ieee80211_find_rxnode(ic, wh); 6099 if (ni != NULL) { 6100 type = ieee80211_input(ni, m, rssi, noise); 6101 ieee80211_free_node(ni); 6102 } else 6103 type = ieee80211_input_all(ic, m, rssi, noise); 6104 6105 BWN_LOCK(sc); 6106 return; 6107 drop: 6108 device_printf(sc->sc_dev, "%s: dropped\n", __func__); 6109 } 6110 6111 static void 6112 bwn_ratectl_tx_complete(const struct ieee80211_node *ni, 6113 const struct bwn_txstatus *status) 6114 { 6115 struct ieee80211_ratectl_tx_status txs; 6116 int retrycnt = 0; 6117 6118 /* 6119 * If we don't get an ACK, then we should log the 6120 * full framecnt. That may be 0 if it's a PHY 6121 * failure, so ensure that gets logged as some 6122 * retry attempt. 6123 */ 6124 txs.flags = IEEE80211_RATECTL_STATUS_LONG_RETRY; 6125 if (status->ack) { 6126 txs.status = IEEE80211_RATECTL_TX_SUCCESS; 6127 retrycnt = status->framecnt - 1; 6128 } else { 6129 txs.status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED; 6130 retrycnt = status->framecnt; 6131 if (retrycnt == 0) 6132 retrycnt = 1; 6133 } 6134 txs.long_retries = retrycnt; 6135 ieee80211_ratectl_tx_complete(ni, &txs); 6136 } 6137 6138 static void 6139 bwn_dma_handle_txeof(struct bwn_mac *mac, 6140 const struct bwn_txstatus *status) 6141 { 6142 struct bwn_dma *dma = &mac->mac_method.dma; 6143 struct bwn_dma_ring *dr; 6144 struct bwn_dmadesc_generic *desc; 6145 struct bwn_dmadesc_meta *meta; 6146 struct bwn_softc *sc = mac->mac_sc; 6147 int slot; 6148 6149 BWN_ASSERT_LOCKED(sc); 6150 6151 dr = bwn_dma_parse_cookie(mac, status, status->cookie, &slot); 6152 if (dr == NULL) { 6153 device_printf(sc->sc_dev, "failed to parse cookie\n"); 6154 return; 6155 } 6156 KASSERT(dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 6157 6158 while (1) { 6159 KASSERT(slot >= 0 && slot < dr->dr_numslots, 6160 ("%s:%d: fail", __func__, __LINE__)); 6161 dr->getdesc(dr, slot, &desc, &meta); 6162 6163 if (meta->mt_txtype == BWN_DMADESC_METATYPE_HEADER) 6164 bus_dmamap_unload(dr->dr_txring_dtag, meta->mt_dmap); 6165 else if (meta->mt_txtype == BWN_DMADESC_METATYPE_BODY) 6166 bus_dmamap_unload(dma->txbuf_dtag, meta->mt_dmap); 6167 6168 if (meta->mt_islast) { 6169 KASSERT(meta->mt_m != NULL, 6170 ("%s:%d: fail", __func__, __LINE__)); 6171 6172 bwn_ratectl_tx_complete(meta->mt_ni, status); 6173 ieee80211_tx_complete(meta->mt_ni, meta->mt_m, 0); 6174 meta->mt_ni = NULL; 6175 meta->mt_m = NULL; 6176 } else 6177 KASSERT(meta->mt_m == NULL, 6178 ("%s:%d: fail", __func__, __LINE__)); 6179 6180 dr->dr_usedslot--; 6181 if (meta->mt_islast) 6182 break; 6183 slot = bwn_dma_nextslot(dr, slot); 6184 } 6185 sc->sc_watchdog_timer = 0; 6186 if (dr->dr_stop) { 6187 KASSERT(bwn_dma_freeslot(dr) >= BWN_TX_SLOTS_PER_FRAME, 6188 ("%s:%d: fail", __func__, __LINE__)); 6189 dr->dr_stop = 0; 6190 } 6191 } 6192 6193 static void 6194 bwn_pio_handle_txeof(struct bwn_mac *mac, 6195 const struct bwn_txstatus *status) 6196 { 6197 struct bwn_pio_txqueue *tq; 6198 struct bwn_pio_txpkt *tp = NULL; 6199 struct bwn_softc *sc = mac->mac_sc; 6200 6201 BWN_ASSERT_LOCKED(sc); 6202 6203 tq = bwn_pio_parse_cookie(mac, status->cookie, &tp); 6204 if (tq == NULL) 6205 return; 6206 6207 tq->tq_used -= roundup(tp->tp_m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 6208 tq->tq_free++; 6209 6210 if (tp->tp_ni != NULL) { 6211 /* 6212 * Do any tx complete callback. Note this must 6213 * be done before releasing the node reference. 6214 */ 6215 bwn_ratectl_tx_complete(tp->tp_ni, status); 6216 } 6217 ieee80211_tx_complete(tp->tp_ni, tp->tp_m, 0); 6218 tp->tp_ni = NULL; 6219 tp->tp_m = NULL; 6220 TAILQ_INSERT_TAIL(&tq->tq_pktlist, tp, tp_list); 6221 6222 sc->sc_watchdog_timer = 0; 6223 } 6224 6225 static void 6226 bwn_phy_txpower_check(struct bwn_mac *mac, uint32_t flags) 6227 { 6228 struct bwn_softc *sc = mac->mac_sc; 6229 struct bwn_phy *phy = &mac->mac_phy; 6230 struct ieee80211com *ic = &sc->sc_ic; 6231 unsigned long now; 6232 bwn_txpwr_result_t result; 6233 6234 BWN_GETTIME(now); 6235 6236 if (!(flags & BWN_TXPWR_IGNORE_TIME) && ieee80211_time_before(now, phy->nexttime)) 6237 return; 6238 phy->nexttime = now + 2 * 1000; 6239 6240 if (sc->sc_board_info.board_vendor == PCI_VENDOR_BROADCOM && 6241 sc->sc_board_info.board_type == BHND_BOARD_BU4306) 6242 return; 6243 6244 if (phy->recalc_txpwr != NULL) { 6245 result = phy->recalc_txpwr(mac, 6246 (flags & BWN_TXPWR_IGNORE_TSSI) ? 1 : 0); 6247 if (result == BWN_TXPWR_RES_DONE) 6248 return; 6249 KASSERT(result == BWN_TXPWR_RES_NEED_ADJUST, 6250 ("%s: fail", __func__)); 6251 KASSERT(phy->set_txpwr != NULL, ("%s: fail", __func__)); 6252 6253 ieee80211_runtask(ic, &mac->mac_txpower); 6254 } 6255 } 6256 6257 static uint16_t 6258 bwn_pio_rx_read_2(struct bwn_pio_rxqueue *prq, uint16_t offset) 6259 { 6260 6261 return (BWN_READ_2(prq->prq_mac, prq->prq_base + offset)); 6262 } 6263 6264 static uint32_t 6265 bwn_pio_rx_read_4(struct bwn_pio_rxqueue *prq, uint16_t offset) 6266 { 6267 6268 return (BWN_READ_4(prq->prq_mac, prq->prq_base + offset)); 6269 } 6270 6271 static void 6272 bwn_pio_rx_write_2(struct bwn_pio_rxqueue *prq, uint16_t offset, uint16_t value) 6273 { 6274 6275 BWN_WRITE_2(prq->prq_mac, prq->prq_base + offset, value); 6276 } 6277 6278 static void 6279 bwn_pio_rx_write_4(struct bwn_pio_rxqueue *prq, uint16_t offset, uint32_t value) 6280 { 6281 6282 BWN_WRITE_4(prq->prq_mac, prq->prq_base + offset, value); 6283 } 6284 6285 static int 6286 bwn_ieeerate2hwrate(struct bwn_softc *sc, int rate) 6287 { 6288 6289 switch (rate) { 6290 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 6291 case 12: 6292 return (BWN_OFDM_RATE_6MB); 6293 case 18: 6294 return (BWN_OFDM_RATE_9MB); 6295 case 24: 6296 return (BWN_OFDM_RATE_12MB); 6297 case 36: 6298 return (BWN_OFDM_RATE_18MB); 6299 case 48: 6300 return (BWN_OFDM_RATE_24MB); 6301 case 72: 6302 return (BWN_OFDM_RATE_36MB); 6303 case 96: 6304 return (BWN_OFDM_RATE_48MB); 6305 case 108: 6306 return (BWN_OFDM_RATE_54MB); 6307 /* CCK rates (NB: not IEEE std, device-specific) */ 6308 case 2: 6309 return (BWN_CCK_RATE_1MB); 6310 case 4: 6311 return (BWN_CCK_RATE_2MB); 6312 case 11: 6313 return (BWN_CCK_RATE_5MB); 6314 case 22: 6315 return (BWN_CCK_RATE_11MB); 6316 } 6317 6318 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 6319 return (BWN_CCK_RATE_1MB); 6320 } 6321 6322 static uint16_t 6323 bwn_set_txhdr_phyctl1(struct bwn_mac *mac, uint8_t bitrate) 6324 { 6325 struct bwn_phy *phy = &mac->mac_phy; 6326 uint16_t control = 0; 6327 uint16_t bw; 6328 6329 /* XXX TODO: this is for LP phy, what about N-PHY, etc? */ 6330 bw = BWN_TXH_PHY1_BW_20; 6331 6332 if (BWN_ISCCKRATE(bitrate) && phy->type != BWN_PHYTYPE_LP) { 6333 control = bw; 6334 } else { 6335 control = bw; 6336 /* Figure out coding rate and modulation */ 6337 /* XXX TODO: table-ize, for MCS transmit */ 6338 /* Note: this is BWN_*_RATE values */ 6339 switch (bitrate) { 6340 case BWN_CCK_RATE_1MB: 6341 control |= 0; 6342 break; 6343 case BWN_CCK_RATE_2MB: 6344 control |= 1; 6345 break; 6346 case BWN_CCK_RATE_5MB: 6347 control |= 2; 6348 break; 6349 case BWN_CCK_RATE_11MB: 6350 control |= 3; 6351 break; 6352 case BWN_OFDM_RATE_6MB: 6353 control |= BWN_TXH_PHY1_CRATE_1_2; 6354 control |= BWN_TXH_PHY1_MODUL_BPSK; 6355 break; 6356 case BWN_OFDM_RATE_9MB: 6357 control |= BWN_TXH_PHY1_CRATE_3_4; 6358 control |= BWN_TXH_PHY1_MODUL_BPSK; 6359 break; 6360 case BWN_OFDM_RATE_12MB: 6361 control |= BWN_TXH_PHY1_CRATE_1_2; 6362 control |= BWN_TXH_PHY1_MODUL_QPSK; 6363 break; 6364 case BWN_OFDM_RATE_18MB: 6365 control |= BWN_TXH_PHY1_CRATE_3_4; 6366 control |= BWN_TXH_PHY1_MODUL_QPSK; 6367 break; 6368 case BWN_OFDM_RATE_24MB: 6369 control |= BWN_TXH_PHY1_CRATE_1_2; 6370 control |= BWN_TXH_PHY1_MODUL_QAM16; 6371 break; 6372 case BWN_OFDM_RATE_36MB: 6373 control |= BWN_TXH_PHY1_CRATE_3_4; 6374 control |= BWN_TXH_PHY1_MODUL_QAM16; 6375 break; 6376 case BWN_OFDM_RATE_48MB: 6377 control |= BWN_TXH_PHY1_CRATE_1_2; 6378 control |= BWN_TXH_PHY1_MODUL_QAM64; 6379 break; 6380 case BWN_OFDM_RATE_54MB: 6381 control |= BWN_TXH_PHY1_CRATE_3_4; 6382 control |= BWN_TXH_PHY1_MODUL_QAM64; 6383 break; 6384 default: 6385 break; 6386 } 6387 control |= BWN_TXH_PHY1_MODE_SISO; 6388 } 6389 6390 return control; 6391 } 6392 6393 static int 6394 bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni, 6395 struct mbuf *m, struct bwn_txhdr *txhdr, uint16_t cookie) 6396 { 6397 const struct bwn_phy *phy = &mac->mac_phy; 6398 struct bwn_softc *sc = mac->mac_sc; 6399 struct ieee80211_frame *wh; 6400 struct ieee80211_frame *protwh; 6401 const struct ieee80211_txparam *tp = ni->ni_txparms; 6402 struct ieee80211vap *vap = ni->ni_vap; 6403 struct ieee80211com *ic = &sc->sc_ic; 6404 struct mbuf *mprot; 6405 uint8_t *prot_ptr; 6406 unsigned int len; 6407 uint32_t macctl = 0; 6408 int rts_rate, rts_rate_fb, ismcast, isshort, rix, type; 6409 uint16_t phyctl = 0; 6410 uint8_t rate, rate_fb; 6411 int fill_phy_ctl1 = 0; 6412 6413 wh = mtod(m, struct ieee80211_frame *); 6414 memset(txhdr, 0, sizeof(*txhdr)); 6415 6416 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 6417 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 6418 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 6419 6420 if ((phy->type == BWN_PHYTYPE_N) || (phy->type == BWN_PHYTYPE_LP) 6421 || (phy->type == BWN_PHYTYPE_HT)) 6422 fill_phy_ctl1 = 1; 6423 6424 /* 6425 * Find TX rate 6426 */ 6427 if (type != IEEE80211_FC0_TYPE_DATA || (m->m_flags & M_EAPOL)) 6428 rate = rate_fb = tp->mgmtrate; 6429 else if (ismcast) 6430 rate = rate_fb = tp->mcastrate; 6431 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 6432 rate = rate_fb = tp->ucastrate; 6433 else { 6434 rix = ieee80211_ratectl_rate(ni, NULL, 0); 6435 rate = ni->ni_txrate; 6436 6437 if (rix > 0) 6438 rate_fb = ni->ni_rates.rs_rates[rix - 1] & 6439 IEEE80211_RATE_VAL; 6440 else 6441 rate_fb = rate; 6442 } 6443 6444 sc->sc_tx_rate = rate; 6445 6446 /* Note: this maps the select ieee80211 rate to hardware rate */ 6447 rate = bwn_ieeerate2hwrate(sc, rate); 6448 rate_fb = bwn_ieeerate2hwrate(sc, rate_fb); 6449 6450 txhdr->phyrate = (BWN_ISOFDMRATE(rate)) ? bwn_plcp_getofdm(rate) : 6451 bwn_plcp_getcck(rate); 6452 bcopy(wh->i_fc, txhdr->macfc, sizeof(txhdr->macfc)); 6453 bcopy(wh->i_addr1, txhdr->addr1, IEEE80211_ADDR_LEN); 6454 6455 /* XXX rate/rate_fb is the hardware rate */ 6456 if ((rate_fb == rate) || 6457 (*(u_int16_t *)wh->i_dur & htole16(0x8000)) || 6458 (*(u_int16_t *)wh->i_dur == htole16(0))) 6459 txhdr->dur_fb = *(u_int16_t *)wh->i_dur; 6460 else 6461 txhdr->dur_fb = ieee80211_compute_duration(ic->ic_rt, 6462 m->m_pkthdr.len, rate, isshort); 6463 6464 /* XXX TX encryption */ 6465 6466 switch (mac->mac_fw.fw_hdr_format) { 6467 case BWN_FW_HDR_351: 6468 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r351.plcp), 6469 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6470 break; 6471 case BWN_FW_HDR_410: 6472 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r410.plcp), 6473 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6474 break; 6475 case BWN_FW_HDR_598: 6476 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r598.plcp), 6477 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6478 break; 6479 } 6480 6481 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->plcp_fb), 6482 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate_fb); 6483 6484 txhdr->eftypes |= (BWN_ISOFDMRATE(rate_fb)) ? BWN_TX_EFT_FB_OFDM : 6485 BWN_TX_EFT_FB_CCK; 6486 txhdr->chan = phy->chan; 6487 phyctl |= (BWN_ISOFDMRATE(rate)) ? BWN_TX_PHY_ENC_OFDM : 6488 BWN_TX_PHY_ENC_CCK; 6489 /* XXX preamble? obey net80211 */ 6490 if (isshort && (rate == BWN_CCK_RATE_2MB || rate == BWN_CCK_RATE_5MB || 6491 rate == BWN_CCK_RATE_11MB)) 6492 phyctl |= BWN_TX_PHY_SHORTPRMBL; 6493 6494 if (! phy->gmode) 6495 macctl |= BWN_TX_MAC_5GHZ; 6496 6497 /* XXX TX antenna selection */ 6498 6499 switch (bwn_antenna_sanitize(mac, 0)) { 6500 case 0: 6501 phyctl |= BWN_TX_PHY_ANT01AUTO; 6502 break; 6503 case 1: 6504 phyctl |= BWN_TX_PHY_ANT0; 6505 break; 6506 case 2: 6507 phyctl |= BWN_TX_PHY_ANT1; 6508 break; 6509 case 3: 6510 phyctl |= BWN_TX_PHY_ANT2; 6511 break; 6512 case 4: 6513 phyctl |= BWN_TX_PHY_ANT3; 6514 break; 6515 default: 6516 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6517 } 6518 6519 if (!ismcast) 6520 macctl |= BWN_TX_MAC_ACK; 6521 6522 macctl |= (BWN_TX_MAC_HWSEQ | BWN_TX_MAC_START_MSDU); 6523 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 6524 m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 6525 macctl |= BWN_TX_MAC_LONGFRAME; 6526 6527 if ((ic->ic_flags & IEEE80211_F_USEPROT) && 6528 ic->ic_protmode != IEEE80211_PROT_NONE) { 6529 /* Note: don't fall back to CCK rates for 5G */ 6530 if (phy->gmode) 6531 rts_rate = BWN_CCK_RATE_1MB; 6532 else 6533 rts_rate = BWN_OFDM_RATE_6MB; 6534 rts_rate_fb = bwn_get_fbrate(rts_rate); 6535 6536 /* XXX 'rate' here is hardware rate now, not the net80211 rate */ 6537 mprot = ieee80211_alloc_prot(ni, m, rate, ic->ic_protmode); 6538 if (mprot == NULL) { 6539 if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS, 1); 6540 device_printf(sc->sc_dev, 6541 "could not allocate mbuf for protection mode %d\n", 6542 ic->ic_protmode); 6543 return (ENOBUFS); 6544 } 6545 6546 switch (mac->mac_fw.fw_hdr_format) { 6547 case BWN_FW_HDR_351: 6548 prot_ptr = txhdr->body.r351.rts_frame; 6549 break; 6550 case BWN_FW_HDR_410: 6551 prot_ptr = txhdr->body.r410.rts_frame; 6552 break; 6553 case BWN_FW_HDR_598: 6554 prot_ptr = txhdr->body.r598.rts_frame; 6555 break; 6556 } 6557 6558 bcopy(mtod(mprot, uint8_t *), prot_ptr, mprot->m_pkthdr.len); 6559 m_freem(mprot); 6560 6561 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 6562 macctl |= BWN_TX_MAC_SEND_CTSTOSELF; 6563 len = sizeof(struct ieee80211_frame_cts); 6564 } else { 6565 macctl |= BWN_TX_MAC_SEND_RTSCTS; 6566 len = sizeof(struct ieee80211_frame_rts); 6567 } 6568 len += IEEE80211_CRC_LEN; 6569 6570 switch (mac->mac_fw.fw_hdr_format) { 6571 case BWN_FW_HDR_351: 6572 bwn_plcp_genhdr((struct bwn_plcp4 *) 6573 &txhdr->body.r351.rts_plcp, len, rts_rate); 6574 break; 6575 case BWN_FW_HDR_410: 6576 bwn_plcp_genhdr((struct bwn_plcp4 *) 6577 &txhdr->body.r410.rts_plcp, len, rts_rate); 6578 break; 6579 case BWN_FW_HDR_598: 6580 bwn_plcp_genhdr((struct bwn_plcp4 *) 6581 &txhdr->body.r598.rts_plcp, len, rts_rate); 6582 break; 6583 } 6584 6585 bwn_plcp_genhdr((struct bwn_plcp4 *)&txhdr->rts_plcp_fb, len, 6586 rts_rate_fb); 6587 6588 switch (mac->mac_fw.fw_hdr_format) { 6589 case BWN_FW_HDR_351: 6590 protwh = (struct ieee80211_frame *) 6591 &txhdr->body.r351.rts_frame; 6592 break; 6593 case BWN_FW_HDR_410: 6594 protwh = (struct ieee80211_frame *) 6595 &txhdr->body.r410.rts_frame; 6596 break; 6597 case BWN_FW_HDR_598: 6598 protwh = (struct ieee80211_frame *) 6599 &txhdr->body.r598.rts_frame; 6600 break; 6601 } 6602 6603 txhdr->rts_dur_fb = *(u_int16_t *)protwh->i_dur; 6604 6605 if (BWN_ISOFDMRATE(rts_rate)) { 6606 txhdr->eftypes |= BWN_TX_EFT_RTS_OFDM; 6607 txhdr->phyrate_rts = bwn_plcp_getofdm(rts_rate); 6608 } else { 6609 txhdr->eftypes |= BWN_TX_EFT_RTS_CCK; 6610 txhdr->phyrate_rts = bwn_plcp_getcck(rts_rate); 6611 } 6612 txhdr->eftypes |= (BWN_ISOFDMRATE(rts_rate_fb)) ? 6613 BWN_TX_EFT_RTS_FBOFDM : BWN_TX_EFT_RTS_FBCCK; 6614 6615 if (fill_phy_ctl1) { 6616 txhdr->phyctl_1rts = htole16(bwn_set_txhdr_phyctl1(mac, rts_rate)); 6617 txhdr->phyctl_1rtsfb = htole16(bwn_set_txhdr_phyctl1(mac, rts_rate_fb)); 6618 } 6619 } 6620 6621 if (fill_phy_ctl1) { 6622 txhdr->phyctl_1 = htole16(bwn_set_txhdr_phyctl1(mac, rate)); 6623 txhdr->phyctl_1fb = htole16(bwn_set_txhdr_phyctl1(mac, rate_fb)); 6624 } 6625 6626 switch (mac->mac_fw.fw_hdr_format) { 6627 case BWN_FW_HDR_351: 6628 txhdr->body.r351.cookie = htole16(cookie); 6629 break; 6630 case BWN_FW_HDR_410: 6631 txhdr->body.r410.cookie = htole16(cookie); 6632 break; 6633 case BWN_FW_HDR_598: 6634 txhdr->body.r598.cookie = htole16(cookie); 6635 break; 6636 } 6637 6638 txhdr->macctl = htole32(macctl); 6639 txhdr->phyctl = htole16(phyctl); 6640 6641 /* 6642 * TX radio tap 6643 */ 6644 if (ieee80211_radiotap_active_vap(vap)) { 6645 sc->sc_tx_th.wt_flags = 0; 6646 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 6647 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP; 6648 if (isshort && 6649 (rate == BWN_CCK_RATE_2MB || rate == BWN_CCK_RATE_5MB || 6650 rate == BWN_CCK_RATE_11MB)) 6651 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 6652 sc->sc_tx_th.wt_rate = rate; 6653 6654 ieee80211_radiotap_tx(vap, m); 6655 } 6656 6657 return (0); 6658 } 6659 6660 static void 6661 bwn_plcp_genhdr(struct bwn_plcp4 *plcp, const uint16_t octets, 6662 const uint8_t rate) 6663 { 6664 uint32_t d, plen; 6665 uint8_t *raw = plcp->o.raw; 6666 6667 if (BWN_ISOFDMRATE(rate)) { 6668 d = bwn_plcp_getofdm(rate); 6669 KASSERT(!(octets & 0xf000), 6670 ("%s:%d: fail", __func__, __LINE__)); 6671 d |= (octets << 5); 6672 plcp->o.data = htole32(d); 6673 } else { 6674 plen = octets * 16 / rate; 6675 if ((octets * 16 % rate) > 0) { 6676 plen++; 6677 if ((rate == BWN_CCK_RATE_11MB) 6678 && ((octets * 8 % 11) < 4)) { 6679 raw[1] = 0x84; 6680 } else 6681 raw[1] = 0x04; 6682 } else 6683 raw[1] = 0x04; 6684 plcp->o.data |= htole32(plen << 16); 6685 raw[0] = bwn_plcp_getcck(rate); 6686 } 6687 } 6688 6689 static uint8_t 6690 bwn_antenna_sanitize(struct bwn_mac *mac, uint8_t n) 6691 { 6692 struct bwn_softc *sc = mac->mac_sc; 6693 uint8_t mask; 6694 6695 if (n == 0) 6696 return (0); 6697 if (mac->mac_phy.gmode) 6698 mask = sc->sc_ant2g; 6699 else 6700 mask = sc->sc_ant5g; 6701 if (!(mask & (1 << (n - 1)))) 6702 return (0); 6703 return (n); 6704 } 6705 6706 /* 6707 * Return a fallback rate for the given rate. 6708 * 6709 * Note: Don't fall back from OFDM to CCK. 6710 */ 6711 static uint8_t 6712 bwn_get_fbrate(uint8_t bitrate) 6713 { 6714 switch (bitrate) { 6715 /* CCK */ 6716 case BWN_CCK_RATE_1MB: 6717 return (BWN_CCK_RATE_1MB); 6718 case BWN_CCK_RATE_2MB: 6719 return (BWN_CCK_RATE_1MB); 6720 case BWN_CCK_RATE_5MB: 6721 return (BWN_CCK_RATE_2MB); 6722 case BWN_CCK_RATE_11MB: 6723 return (BWN_CCK_RATE_5MB); 6724 6725 /* OFDM */ 6726 case BWN_OFDM_RATE_6MB: 6727 return (BWN_OFDM_RATE_6MB); 6728 case BWN_OFDM_RATE_9MB: 6729 return (BWN_OFDM_RATE_6MB); 6730 case BWN_OFDM_RATE_12MB: 6731 return (BWN_OFDM_RATE_9MB); 6732 case BWN_OFDM_RATE_18MB: 6733 return (BWN_OFDM_RATE_12MB); 6734 case BWN_OFDM_RATE_24MB: 6735 return (BWN_OFDM_RATE_18MB); 6736 case BWN_OFDM_RATE_36MB: 6737 return (BWN_OFDM_RATE_24MB); 6738 case BWN_OFDM_RATE_48MB: 6739 return (BWN_OFDM_RATE_36MB); 6740 case BWN_OFDM_RATE_54MB: 6741 return (BWN_OFDM_RATE_48MB); 6742 } 6743 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6744 return (0); 6745 } 6746 6747 static uint32_t 6748 bwn_pio_write_multi_4(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6749 uint32_t ctl, const void *_data, int len) 6750 { 6751 struct bwn_softc *sc = mac->mac_sc; 6752 uint32_t value = 0; 6753 const uint8_t *data = _data; 6754 6755 ctl |= BWN_PIO8_TXCTL_0_7 | BWN_PIO8_TXCTL_8_15 | 6756 BWN_PIO8_TXCTL_16_23 | BWN_PIO8_TXCTL_24_31; 6757 bwn_pio_write_4(mac, tq, BWN_PIO8_TXCTL, ctl); 6758 6759 bus_write_multi_4(sc->sc_mem_res, tq->tq_base + BWN_PIO8_TXDATA, 6760 __DECONST(void *, data), (len & ~3)); 6761 if (len & 3) { 6762 ctl &= ~(BWN_PIO8_TXCTL_8_15 | BWN_PIO8_TXCTL_16_23 | 6763 BWN_PIO8_TXCTL_24_31); 6764 data = &(data[len - 1]); 6765 switch (len & 3) { 6766 case 3: 6767 ctl |= BWN_PIO8_TXCTL_16_23; 6768 value |= (uint32_t)(*data) << 16; 6769 data--; 6770 case 2: 6771 ctl |= BWN_PIO8_TXCTL_8_15; 6772 value |= (uint32_t)(*data) << 8; 6773 data--; 6774 case 1: 6775 value |= (uint32_t)(*data); 6776 } 6777 bwn_pio_write_4(mac, tq, BWN_PIO8_TXCTL, ctl); 6778 bwn_pio_write_4(mac, tq, BWN_PIO8_TXDATA, value); 6779 } 6780 6781 return (ctl); 6782 } 6783 6784 static void 6785 bwn_pio_write_4(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6786 uint16_t offset, uint32_t value) 6787 { 6788 6789 BWN_WRITE_4(mac, tq->tq_base + offset, value); 6790 } 6791 6792 static uint16_t 6793 bwn_pio_write_multi_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6794 uint16_t ctl, const void *_data, int len) 6795 { 6796 struct bwn_softc *sc = mac->mac_sc; 6797 const uint8_t *data = _data; 6798 6799 ctl |= BWN_PIO_TXCTL_WRITELO | BWN_PIO_TXCTL_WRITEHI; 6800 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6801 6802 bus_write_multi_2(sc->sc_mem_res, tq->tq_base + BWN_PIO_TXDATA, 6803 __DECONST(void *, data), (len & ~1)); 6804 if (len & 1) { 6805 ctl &= ~BWN_PIO_TXCTL_WRITEHI; 6806 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6807 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data[len - 1]); 6808 } 6809 6810 return (ctl); 6811 } 6812 6813 static uint16_t 6814 bwn_pio_write_mbuf_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6815 uint16_t ctl, struct mbuf *m0) 6816 { 6817 int i, j = 0; 6818 uint16_t data = 0; 6819 const uint8_t *buf; 6820 struct mbuf *m = m0; 6821 6822 ctl |= BWN_PIO_TXCTL_WRITELO | BWN_PIO_TXCTL_WRITEHI; 6823 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6824 6825 for (; m != NULL; m = m->m_next) { 6826 buf = mtod(m, const uint8_t *); 6827 for (i = 0; i < m->m_len; i++) { 6828 if (!((j++) % 2)) 6829 data |= buf[i]; 6830 else { 6831 data |= (buf[i] << 8); 6832 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data); 6833 data = 0; 6834 } 6835 } 6836 } 6837 if (m0->m_pkthdr.len % 2) { 6838 ctl &= ~BWN_PIO_TXCTL_WRITEHI; 6839 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6840 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data); 6841 } 6842 6843 return (ctl); 6844 } 6845 6846 static void 6847 bwn_set_slot_time(struct bwn_mac *mac, uint16_t time) 6848 { 6849 6850 /* XXX should exit if 5GHz band .. */ 6851 if (mac->mac_phy.type != BWN_PHYTYPE_G) 6852 return; 6853 6854 BWN_WRITE_2(mac, 0x684, 510 + time); 6855 /* Disabled in Linux b43, can adversely effect performance */ 6856 #if 0 6857 bwn_shm_write_2(mac, BWN_SHARED, 0x0010, time); 6858 #endif 6859 } 6860 6861 static struct bwn_dma_ring * 6862 bwn_dma_select(struct bwn_mac *mac, uint8_t prio) 6863 { 6864 6865 if ((mac->mac_flags & BWN_MAC_FLAG_WME) == 0) 6866 return (mac->mac_method.dma.wme[WME_AC_BE]); 6867 6868 switch (prio) { 6869 case 3: 6870 return (mac->mac_method.dma.wme[WME_AC_VO]); 6871 case 2: 6872 return (mac->mac_method.dma.wme[WME_AC_VI]); 6873 case 0: 6874 return (mac->mac_method.dma.wme[WME_AC_BE]); 6875 case 1: 6876 return (mac->mac_method.dma.wme[WME_AC_BK]); 6877 } 6878 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6879 return (NULL); 6880 } 6881 6882 static int 6883 bwn_dma_getslot(struct bwn_dma_ring *dr) 6884 { 6885 int slot; 6886 6887 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 6888 6889 KASSERT(dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 6890 KASSERT(!(dr->dr_stop), ("%s:%d: fail", __func__, __LINE__)); 6891 KASSERT(bwn_dma_freeslot(dr) != 0, ("%s:%d: fail", __func__, __LINE__)); 6892 6893 slot = bwn_dma_nextslot(dr, dr->dr_curslot); 6894 KASSERT(!(slot & ~0x0fff), ("%s:%d: fail", __func__, __LINE__)); 6895 dr->dr_curslot = slot; 6896 dr->dr_usedslot++; 6897 6898 return (slot); 6899 } 6900 6901 static struct bwn_pio_txqueue * 6902 bwn_pio_parse_cookie(struct bwn_mac *mac, uint16_t cookie, 6903 struct bwn_pio_txpkt **pack) 6904 { 6905 struct bwn_pio *pio = &mac->mac_method.pio; 6906 struct bwn_pio_txqueue *tq = NULL; 6907 unsigned int index; 6908 6909 switch (cookie & 0xf000) { 6910 case 0x1000: 6911 tq = &pio->wme[WME_AC_BK]; 6912 break; 6913 case 0x2000: 6914 tq = &pio->wme[WME_AC_BE]; 6915 break; 6916 case 0x3000: 6917 tq = &pio->wme[WME_AC_VI]; 6918 break; 6919 case 0x4000: 6920 tq = &pio->wme[WME_AC_VO]; 6921 break; 6922 case 0x5000: 6923 tq = &pio->mcast; 6924 break; 6925 } 6926 KASSERT(tq != NULL, ("%s:%d: fail", __func__, __LINE__)); 6927 if (tq == NULL) 6928 return (NULL); 6929 index = (cookie & 0x0fff); 6930 KASSERT(index < N(tq->tq_pkts), ("%s:%d: fail", __func__, __LINE__)); 6931 if (index >= N(tq->tq_pkts)) 6932 return (NULL); 6933 *pack = &tq->tq_pkts[index]; 6934 KASSERT(*pack != NULL, ("%s:%d: fail", __func__, __LINE__)); 6935 return (tq); 6936 } 6937 6938 static void 6939 bwn_txpwr(void *arg, int npending) 6940 { 6941 struct bwn_mac *mac = arg; 6942 struct bwn_softc *sc; 6943 6944 if (mac == NULL) 6945 return; 6946 6947 sc = mac->mac_sc; 6948 6949 BWN_LOCK(sc); 6950 if (mac->mac_status >= BWN_MAC_STATUS_STARTED && 6951 mac->mac_phy.set_txpwr != NULL) 6952 mac->mac_phy.set_txpwr(mac); 6953 BWN_UNLOCK(sc); 6954 } 6955 6956 static void 6957 bwn_task_15s(struct bwn_mac *mac) 6958 { 6959 uint16_t reg; 6960 6961 if (mac->mac_fw.opensource) { 6962 reg = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_WATCHDOG_REG); 6963 if (reg) { 6964 bwn_restart(mac, "fw watchdog"); 6965 return; 6966 } 6967 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_WATCHDOG_REG, 1); 6968 } 6969 if (mac->mac_phy.task_15s) 6970 mac->mac_phy.task_15s(mac); 6971 6972 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 6973 } 6974 6975 static void 6976 bwn_task_30s(struct bwn_mac *mac) 6977 { 6978 6979 if (mac->mac_phy.type != BWN_PHYTYPE_G || mac->mac_noise.noi_running) 6980 return; 6981 mac->mac_noise.noi_running = 1; 6982 mac->mac_noise.noi_nsamples = 0; 6983 6984 bwn_noise_gensample(mac); 6985 } 6986 6987 static void 6988 bwn_task_60s(struct bwn_mac *mac) 6989 { 6990 6991 if (mac->mac_phy.task_60s) 6992 mac->mac_phy.task_60s(mac); 6993 bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME); 6994 } 6995 6996 static void 6997 bwn_tasks(void *arg) 6998 { 6999 struct bwn_mac *mac = arg; 7000 struct bwn_softc *sc = mac->mac_sc; 7001 7002 BWN_ASSERT_LOCKED(sc); 7003 if (mac->mac_status != BWN_MAC_STATUS_STARTED) 7004 return; 7005 7006 if (mac->mac_task_state % 4 == 0) 7007 bwn_task_60s(mac); 7008 if (mac->mac_task_state % 2 == 0) 7009 bwn_task_30s(mac); 7010 bwn_task_15s(mac); 7011 7012 mac->mac_task_state++; 7013 callout_reset(&sc->sc_task_ch, hz * 15, bwn_tasks, mac); 7014 } 7015 7016 static int 7017 bwn_plcp_get_ofdmrate(struct bwn_mac *mac, struct bwn_plcp6 *plcp, uint8_t a) 7018 { 7019 struct bwn_softc *sc = mac->mac_sc; 7020 7021 KASSERT(a == 0, ("not support APHY\n")); 7022 7023 switch (plcp->o.raw[0] & 0xf) { 7024 case 0xb: 7025 return (BWN_OFDM_RATE_6MB); 7026 case 0xf: 7027 return (BWN_OFDM_RATE_9MB); 7028 case 0xa: 7029 return (BWN_OFDM_RATE_12MB); 7030 case 0xe: 7031 return (BWN_OFDM_RATE_18MB); 7032 case 0x9: 7033 return (BWN_OFDM_RATE_24MB); 7034 case 0xd: 7035 return (BWN_OFDM_RATE_36MB); 7036 case 0x8: 7037 return (BWN_OFDM_RATE_48MB); 7038 case 0xc: 7039 return (BWN_OFDM_RATE_54MB); 7040 } 7041 device_printf(sc->sc_dev, "incorrect OFDM rate %d\n", 7042 plcp->o.raw[0] & 0xf); 7043 return (-1); 7044 } 7045 7046 static int 7047 bwn_plcp_get_cckrate(struct bwn_mac *mac, struct bwn_plcp6 *plcp) 7048 { 7049 struct bwn_softc *sc = mac->mac_sc; 7050 7051 switch (plcp->o.raw[0]) { 7052 case 0x0a: 7053 return (BWN_CCK_RATE_1MB); 7054 case 0x14: 7055 return (BWN_CCK_RATE_2MB); 7056 case 0x37: 7057 return (BWN_CCK_RATE_5MB); 7058 case 0x6e: 7059 return (BWN_CCK_RATE_11MB); 7060 } 7061 device_printf(sc->sc_dev, "incorrect CCK rate %d\n", plcp->o.raw[0]); 7062 return (-1); 7063 } 7064 7065 static void 7066 bwn_rx_radiotap(struct bwn_mac *mac, struct mbuf *m, 7067 const struct bwn_rxhdr4 *rxhdr, struct bwn_plcp6 *plcp, int rate, 7068 int rssi, int noise) 7069 { 7070 struct bwn_softc *sc = mac->mac_sc; 7071 const struct ieee80211_frame_min *wh; 7072 uint64_t tsf; 7073 uint16_t low_mactime_now; 7074 uint16_t mt; 7075 7076 if (htole16(rxhdr->phy_status0) & BWN_RX_PHYST0_SHORTPRMBL) 7077 sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 7078 7079 wh = mtod(m, const struct ieee80211_frame_min *); 7080 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 7081 sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_WEP; 7082 7083 bwn_tsf_read(mac, &tsf); 7084 low_mactime_now = tsf; 7085 tsf = tsf & ~0xffffULL; 7086 7087 switch (mac->mac_fw.fw_hdr_format) { 7088 case BWN_FW_HDR_351: 7089 case BWN_FW_HDR_410: 7090 mt = le16toh(rxhdr->ps4.r351.mac_time); 7091 break; 7092 case BWN_FW_HDR_598: 7093 mt = le16toh(rxhdr->ps4.r598.mac_time); 7094 break; 7095 } 7096 7097 tsf += mt; 7098 if (low_mactime_now < mt) 7099 tsf -= 0x10000; 7100 7101 sc->sc_rx_th.wr_tsf = tsf; 7102 sc->sc_rx_th.wr_rate = rate; 7103 sc->sc_rx_th.wr_antsignal = rssi; 7104 sc->sc_rx_th.wr_antnoise = noise; 7105 } 7106 7107 static void 7108 bwn_tsf_read(struct bwn_mac *mac, uint64_t *tsf) 7109 { 7110 uint32_t low, high; 7111 7112 KASSERT(bhnd_get_hwrev(mac->mac_sc->sc_dev) >= 3, 7113 ("%s:%d: fail", __func__, __LINE__)); 7114 7115 low = BWN_READ_4(mac, BWN_REV3PLUS_TSF_LOW); 7116 high = BWN_READ_4(mac, BWN_REV3PLUS_TSF_HIGH); 7117 *tsf = high; 7118 *tsf <<= 32; 7119 *tsf |= low; 7120 } 7121 7122 static int 7123 bwn_dma_attach(struct bwn_mac *mac) 7124 { 7125 struct bwn_dma *dma; 7126 struct bwn_softc *sc; 7127 struct bhnd_dma_translation *dt, dma_translation; 7128 bhnd_addr_t addrext_req; 7129 bus_dma_tag_t dmat; 7130 bus_addr_t lowaddr; 7131 u_int addrext_shift, addr_width; 7132 int error; 7133 7134 dma = &mac->mac_method.dma; 7135 sc = mac->mac_sc; 7136 dt = NULL; 7137 7138 if (sc->sc_quirks & BWN_QUIRK_NODMA) 7139 return (0); 7140 7141 KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 5, ("%s: fail", __func__)); 7142 7143 /* Use the DMA engine's maximum host address width to determine the 7144 * addrext constraints, and supported device address width. */ 7145 switch (mac->mac_dmatype) { 7146 case BHND_DMA_ADDR_30BIT: 7147 /* 32-bit engine without addrext support */ 7148 addrext_req = 0x0; 7149 addrext_shift = 0; 7150 7151 /* We can address the full 32-bit device address space */ 7152 addr_width = BHND_DMA_ADDR_32BIT; 7153 break; 7154 7155 case BHND_DMA_ADDR_32BIT: 7156 /* 32-bit engine with addrext support */ 7157 addrext_req = BWN_DMA32_ADDREXT_MASK; 7158 addrext_shift = BWN_DMA32_ADDREXT_SHIFT; 7159 addr_width = BHND_DMA_ADDR_32BIT; 7160 break; 7161 7162 case BHND_DMA_ADDR_64BIT: 7163 /* 64-bit engine with addrext support */ 7164 addrext_req = BWN_DMA64_ADDREXT_MASK; 7165 addrext_shift = BWN_DMA64_ADDREXT_SHIFT; 7166 addr_width = BHND_DMA_ADDR_64BIT; 7167 break; 7168 7169 default: 7170 device_printf(sc->sc_dev, "unsupported DMA address width: %d\n", 7171 mac->mac_dmatype); 7172 return (ENXIO); 7173 } 7174 7175 7176 /* Fetch our device->host DMA translation and tag */ 7177 error = bhnd_get_dma_translation(sc->sc_dev, addr_width, 0, &dmat, 7178 &dma_translation); 7179 if (error) { 7180 device_printf(sc->sc_dev, "error fetching DMA translation: " 7181 "%d\n", error); 7182 return (error); 7183 } 7184 7185 /* Verify that our DMA engine's addrext constraints are compatible with 7186 * our DMA translation */ 7187 if (addrext_req != 0x0 && 7188 (dma_translation.addrext_mask & addrext_req) != addrext_req) 7189 { 7190 device_printf(sc->sc_dev, "bus addrext mask %#jx incompatible " 7191 "with device addrext mask %#jx, disabling extended address " 7192 "support\n", (uintmax_t)dma_translation.addrext_mask, 7193 (uintmax_t)addrext_req); 7194 7195 addrext_req = 0x0; 7196 addrext_shift = 0; 7197 } 7198 7199 /* Apply our addrext translation constraint */ 7200 dma_translation.addrext_mask = addrext_req; 7201 7202 /* Initialize our DMA engine configuration */ 7203 mac->mac_flags |= BWN_MAC_FLAG_DMA; 7204 7205 dma->addrext_shift = addrext_shift; 7206 dma->translation = dma_translation; 7207 7208 dt = &dma->translation; 7209 7210 /* Dermine our translation's maximum supported address */ 7211 lowaddr = MIN((dt->addr_mask | dt->addrext_mask), BUS_SPACE_MAXADDR); 7212 7213 /* 7214 * Create top level DMA tag 7215 */ 7216 error = bus_dma_tag_create(dmat, /* parent */ 7217 BWN_ALIGN, 0, /* alignment, bounds */ 7218 lowaddr, /* lowaddr */ 7219 BUS_SPACE_MAXADDR, /* highaddr */ 7220 NULL, NULL, /* filter, filterarg */ 7221 BUS_SPACE_MAXSIZE, /* maxsize */ 7222 BUS_SPACE_UNRESTRICTED, /* nsegments */ 7223 BUS_SPACE_MAXSIZE, /* maxsegsize */ 7224 0, /* flags */ 7225 NULL, NULL, /* lockfunc, lockarg */ 7226 &dma->parent_dtag); 7227 if (error) { 7228 device_printf(sc->sc_dev, "can't create parent DMA tag\n"); 7229 return (error); 7230 } 7231 7232 /* 7233 * Create TX/RX mbuf DMA tag 7234 */ 7235 error = bus_dma_tag_create(dma->parent_dtag, 7236 1, 7237 0, 7238 BUS_SPACE_MAXADDR, 7239 BUS_SPACE_MAXADDR, 7240 NULL, NULL, 7241 MCLBYTES, 7242 1, 7243 BUS_SPACE_MAXSIZE_32BIT, 7244 0, 7245 NULL, NULL, 7246 &dma->rxbuf_dtag); 7247 if (error) { 7248 device_printf(sc->sc_dev, "can't create mbuf DMA tag\n"); 7249 goto fail0; 7250 } 7251 error = bus_dma_tag_create(dma->parent_dtag, 7252 1, 7253 0, 7254 BUS_SPACE_MAXADDR, 7255 BUS_SPACE_MAXADDR, 7256 NULL, NULL, 7257 MCLBYTES, 7258 1, 7259 BUS_SPACE_MAXSIZE_32BIT, 7260 0, 7261 NULL, NULL, 7262 &dma->txbuf_dtag); 7263 if (error) { 7264 device_printf(sc->sc_dev, "can't create mbuf DMA tag\n"); 7265 goto fail1; 7266 } 7267 7268 dma->wme[WME_AC_BK] = bwn_dma_ringsetup(mac, 0, 1); 7269 if (!dma->wme[WME_AC_BK]) 7270 goto fail2; 7271 7272 dma->wme[WME_AC_BE] = bwn_dma_ringsetup(mac, 1, 1); 7273 if (!dma->wme[WME_AC_BE]) 7274 goto fail3; 7275 7276 dma->wme[WME_AC_VI] = bwn_dma_ringsetup(mac, 2, 1); 7277 if (!dma->wme[WME_AC_VI]) 7278 goto fail4; 7279 7280 dma->wme[WME_AC_VO] = bwn_dma_ringsetup(mac, 3, 1); 7281 if (!dma->wme[WME_AC_VO]) 7282 goto fail5; 7283 7284 dma->mcast = bwn_dma_ringsetup(mac, 4, 1); 7285 if (!dma->mcast) 7286 goto fail6; 7287 dma->rx = bwn_dma_ringsetup(mac, 0, 0); 7288 if (!dma->rx) 7289 goto fail7; 7290 7291 return (error); 7292 7293 fail7: bwn_dma_ringfree(&dma->mcast); 7294 fail6: bwn_dma_ringfree(&dma->wme[WME_AC_VO]); 7295 fail5: bwn_dma_ringfree(&dma->wme[WME_AC_VI]); 7296 fail4: bwn_dma_ringfree(&dma->wme[WME_AC_BE]); 7297 fail3: bwn_dma_ringfree(&dma->wme[WME_AC_BK]); 7298 fail2: bus_dma_tag_destroy(dma->txbuf_dtag); 7299 fail1: bus_dma_tag_destroy(dma->rxbuf_dtag); 7300 fail0: bus_dma_tag_destroy(dma->parent_dtag); 7301 return (error); 7302 } 7303 7304 static struct bwn_dma_ring * 7305 bwn_dma_parse_cookie(struct bwn_mac *mac, const struct bwn_txstatus *status, 7306 uint16_t cookie, int *slot) 7307 { 7308 struct bwn_dma *dma = &mac->mac_method.dma; 7309 struct bwn_dma_ring *dr; 7310 struct bwn_softc *sc = mac->mac_sc; 7311 7312 BWN_ASSERT_LOCKED(mac->mac_sc); 7313 7314 switch (cookie & 0xf000) { 7315 case 0x1000: 7316 dr = dma->wme[WME_AC_BK]; 7317 break; 7318 case 0x2000: 7319 dr = dma->wme[WME_AC_BE]; 7320 break; 7321 case 0x3000: 7322 dr = dma->wme[WME_AC_VI]; 7323 break; 7324 case 0x4000: 7325 dr = dma->wme[WME_AC_VO]; 7326 break; 7327 case 0x5000: 7328 dr = dma->mcast; 7329 break; 7330 default: 7331 dr = NULL; 7332 KASSERT(0 == 1, 7333 ("invalid cookie value %d", cookie & 0xf000)); 7334 } 7335 *slot = (cookie & 0x0fff); 7336 if (*slot < 0 || *slot >= dr->dr_numslots) { 7337 /* 7338 * XXX FIXME: sometimes H/W returns TX DONE events duplicately 7339 * that it occurs events which have same H/W sequence numbers. 7340 * When it's occurred just prints a WARNING msgs and ignores. 7341 */ 7342 KASSERT(status->seq == dma->lastseq, 7343 ("%s:%d: fail", __func__, __LINE__)); 7344 device_printf(sc->sc_dev, 7345 "out of slot ranges (0 < %d < %d)\n", *slot, 7346 dr->dr_numslots); 7347 return (NULL); 7348 } 7349 dma->lastseq = status->seq; 7350 return (dr); 7351 } 7352 7353 static void 7354 bwn_dma_stop(struct bwn_mac *mac) 7355 { 7356 struct bwn_dma *dma; 7357 7358 if ((mac->mac_flags & BWN_MAC_FLAG_DMA) == 0) 7359 return; 7360 dma = &mac->mac_method.dma; 7361 7362 bwn_dma_ringstop(&dma->rx); 7363 bwn_dma_ringstop(&dma->wme[WME_AC_BK]); 7364 bwn_dma_ringstop(&dma->wme[WME_AC_BE]); 7365 bwn_dma_ringstop(&dma->wme[WME_AC_VI]); 7366 bwn_dma_ringstop(&dma->wme[WME_AC_VO]); 7367 bwn_dma_ringstop(&dma->mcast); 7368 } 7369 7370 static void 7371 bwn_dma_ringstop(struct bwn_dma_ring **dr) 7372 { 7373 7374 if (dr == NULL) 7375 return; 7376 7377 bwn_dma_cleanup(*dr); 7378 } 7379 7380 static void 7381 bwn_pio_stop(struct bwn_mac *mac) 7382 { 7383 struct bwn_pio *pio; 7384 7385 if (mac->mac_flags & BWN_MAC_FLAG_DMA) 7386 return; 7387 pio = &mac->mac_method.pio; 7388 7389 bwn_destroy_queue_tx(&pio->mcast); 7390 bwn_destroy_queue_tx(&pio->wme[WME_AC_VO]); 7391 bwn_destroy_queue_tx(&pio->wme[WME_AC_VI]); 7392 bwn_destroy_queue_tx(&pio->wme[WME_AC_BE]); 7393 bwn_destroy_queue_tx(&pio->wme[WME_AC_BK]); 7394 } 7395 7396 static int 7397 bwn_led_attach(struct bwn_mac *mac) 7398 { 7399 struct bwn_softc *sc = mac->mac_sc; 7400 const uint8_t *led_act = NULL; 7401 int error; 7402 int i; 7403 7404 sc->sc_led_idle = (2350 * hz) / 1000; 7405 sc->sc_led_blink = 1; 7406 7407 for (i = 0; i < N(bwn_vendor_led_act); ++i) { 7408 if (sc->sc_board_info.board_vendor == 7409 bwn_vendor_led_act[i].vid) { 7410 led_act = bwn_vendor_led_act[i].led_act; 7411 break; 7412 } 7413 } 7414 if (led_act == NULL) 7415 led_act = bwn_default_led_act; 7416 7417 _Static_assert(nitems(bwn_led_vars) == BWN_LED_MAX, 7418 "invalid NVRAM variable name array"); 7419 7420 for (i = 0; i < BWN_LED_MAX; ++i) { 7421 struct bwn_led *led; 7422 uint8_t val; 7423 7424 led = &sc->sc_leds[i]; 7425 7426 KASSERT(i < nitems(bwn_led_vars), ("unknown LED index")); 7427 error = bhnd_nvram_getvar_uint8(sc->sc_dev, bwn_led_vars[i], 7428 &val); 7429 if (error) { 7430 if (error != ENOENT) { 7431 device_printf(sc->sc_dev, "NVRAM variable %s " 7432 "unreadable: %d", bwn_led_vars[i], error); 7433 return (error); 7434 } 7435 7436 /* Not found; use default */ 7437 led->led_act = led_act[i]; 7438 } else { 7439 if (val & BWN_LED_ACT_LOW) 7440 led->led_flags |= BWN_LED_F_ACTLOW; 7441 led->led_act = val & BWN_LED_ACT_MASK; 7442 } 7443 led->led_mask = (1 << i); 7444 7445 if (led->led_act == BWN_LED_ACT_BLINK_SLOW || 7446 led->led_act == BWN_LED_ACT_BLINK_POLL || 7447 led->led_act == BWN_LED_ACT_BLINK) { 7448 led->led_flags |= BWN_LED_F_BLINK; 7449 if (led->led_act == BWN_LED_ACT_BLINK_POLL) 7450 led->led_flags |= BWN_LED_F_POLLABLE; 7451 else if (led->led_act == BWN_LED_ACT_BLINK_SLOW) 7452 led->led_flags |= BWN_LED_F_SLOW; 7453 7454 if (sc->sc_blink_led == NULL) { 7455 sc->sc_blink_led = led; 7456 if (led->led_flags & BWN_LED_F_SLOW) 7457 BWN_LED_SLOWDOWN(sc->sc_led_idle); 7458 } 7459 } 7460 7461 DPRINTF(sc, BWN_DEBUG_LED, 7462 "%dth led, act %d, lowact %d\n", i, 7463 led->led_act, led->led_flags & BWN_LED_F_ACTLOW); 7464 } 7465 callout_init_mtx(&sc->sc_led_blink_ch, &sc->sc_mtx, 0); 7466 7467 return (0); 7468 } 7469 7470 static __inline uint16_t 7471 bwn_led_onoff(const struct bwn_led *led, uint16_t val, int on) 7472 { 7473 7474 if (led->led_flags & BWN_LED_F_ACTLOW) 7475 on = !on; 7476 if (on) 7477 val |= led->led_mask; 7478 else 7479 val &= ~led->led_mask; 7480 return val; 7481 } 7482 7483 static void 7484 bwn_led_newstate(struct bwn_mac *mac, enum ieee80211_state nstate) 7485 { 7486 struct bwn_softc *sc = mac->mac_sc; 7487 struct ieee80211com *ic = &sc->sc_ic; 7488 uint16_t val; 7489 int i; 7490 7491 if (nstate == IEEE80211_S_INIT) { 7492 callout_stop(&sc->sc_led_blink_ch); 7493 sc->sc_led_blinking = 0; 7494 } 7495 7496 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) 7497 return; 7498 7499 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7500 for (i = 0; i < BWN_LED_MAX; ++i) { 7501 struct bwn_led *led = &sc->sc_leds[i]; 7502 int on; 7503 7504 if (led->led_act == BWN_LED_ACT_UNKN || 7505 led->led_act == BWN_LED_ACT_NULL) 7506 continue; 7507 7508 if ((led->led_flags & BWN_LED_F_BLINK) && 7509 nstate != IEEE80211_S_INIT) 7510 continue; 7511 7512 switch (led->led_act) { 7513 case BWN_LED_ACT_ON: /* Always on */ 7514 on = 1; 7515 break; 7516 case BWN_LED_ACT_OFF: /* Always off */ 7517 case BWN_LED_ACT_5GHZ: /* TODO: 11A */ 7518 on = 0; 7519 break; 7520 default: 7521 on = 1; 7522 switch (nstate) { 7523 case IEEE80211_S_INIT: 7524 on = 0; 7525 break; 7526 case IEEE80211_S_RUN: 7527 if (led->led_act == BWN_LED_ACT_11G && 7528 ic->ic_curmode != IEEE80211_MODE_11G) 7529 on = 0; 7530 break; 7531 default: 7532 if (led->led_act == BWN_LED_ACT_ASSOC) 7533 on = 0; 7534 break; 7535 } 7536 break; 7537 } 7538 7539 val = bwn_led_onoff(led, val, on); 7540 } 7541 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7542 } 7543 7544 static void 7545 bwn_led_event(struct bwn_mac *mac, int event) 7546 { 7547 struct bwn_softc *sc = mac->mac_sc; 7548 struct bwn_led *led = sc->sc_blink_led; 7549 int rate; 7550 7551 if (event == BWN_LED_EVENT_POLL) { 7552 if ((led->led_flags & BWN_LED_F_POLLABLE) == 0) 7553 return; 7554 if (ticks - sc->sc_led_ticks < sc->sc_led_idle) 7555 return; 7556 } 7557 7558 sc->sc_led_ticks = ticks; 7559 if (sc->sc_led_blinking) 7560 return; 7561 7562 switch (event) { 7563 case BWN_LED_EVENT_RX: 7564 rate = sc->sc_rx_rate; 7565 break; 7566 case BWN_LED_EVENT_TX: 7567 rate = sc->sc_tx_rate; 7568 break; 7569 case BWN_LED_EVENT_POLL: 7570 rate = 0; 7571 break; 7572 default: 7573 panic("unknown LED event %d\n", event); 7574 break; 7575 } 7576 bwn_led_blink_start(mac, bwn_led_duration[rate].on_dur, 7577 bwn_led_duration[rate].off_dur); 7578 } 7579 7580 static void 7581 bwn_led_blink_start(struct bwn_mac *mac, int on_dur, int off_dur) 7582 { 7583 struct bwn_softc *sc = mac->mac_sc; 7584 struct bwn_led *led = sc->sc_blink_led; 7585 uint16_t val; 7586 7587 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7588 val = bwn_led_onoff(led, val, 1); 7589 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7590 7591 if (led->led_flags & BWN_LED_F_SLOW) { 7592 BWN_LED_SLOWDOWN(on_dur); 7593 BWN_LED_SLOWDOWN(off_dur); 7594 } 7595 7596 sc->sc_led_blinking = 1; 7597 sc->sc_led_blink_offdur = off_dur; 7598 7599 callout_reset(&sc->sc_led_blink_ch, on_dur, bwn_led_blink_next, mac); 7600 } 7601 7602 static void 7603 bwn_led_blink_next(void *arg) 7604 { 7605 struct bwn_mac *mac = arg; 7606 struct bwn_softc *sc = mac->mac_sc; 7607 uint16_t val; 7608 7609 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7610 val = bwn_led_onoff(sc->sc_blink_led, val, 0); 7611 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7612 7613 callout_reset(&sc->sc_led_blink_ch, sc->sc_led_blink_offdur, 7614 bwn_led_blink_end, mac); 7615 } 7616 7617 static void 7618 bwn_led_blink_end(void *arg) 7619 { 7620 struct bwn_mac *mac = arg; 7621 struct bwn_softc *sc = mac->mac_sc; 7622 7623 sc->sc_led_blinking = 0; 7624 } 7625 7626 static int 7627 bwn_suspend(device_t dev) 7628 { 7629 struct bwn_softc *sc = device_get_softc(dev); 7630 7631 BWN_LOCK(sc); 7632 bwn_stop(sc); 7633 BWN_UNLOCK(sc); 7634 return (0); 7635 } 7636 7637 static int 7638 bwn_resume(device_t dev) 7639 { 7640 struct bwn_softc *sc = device_get_softc(dev); 7641 int error = EDOOFUS; 7642 7643 BWN_LOCK(sc); 7644 if (sc->sc_ic.ic_nrunning > 0) 7645 error = bwn_init(sc); 7646 BWN_UNLOCK(sc); 7647 if (error == 0) 7648 ieee80211_start_all(&sc->sc_ic); 7649 return (0); 7650 } 7651 7652 static void 7653 bwn_rfswitch(void *arg) 7654 { 7655 struct bwn_softc *sc = arg; 7656 struct bwn_mac *mac = sc->sc_curmac; 7657 int cur = 0, prev = 0; 7658 7659 KASSERT(mac->mac_status >= BWN_MAC_STATUS_STARTED, 7660 ("%s: invalid MAC status %d", __func__, mac->mac_status)); 7661 7662 if (mac->mac_phy.rev >= 3 || mac->mac_phy.type == BWN_PHYTYPE_LP 7663 || mac->mac_phy.type == BWN_PHYTYPE_N) { 7664 if (!(BWN_READ_4(mac, BWN_RF_HWENABLED_HI) 7665 & BWN_RF_HWENABLED_HI_MASK)) 7666 cur = 1; 7667 } else { 7668 if (BWN_READ_2(mac, BWN_RF_HWENABLED_LO) 7669 & BWN_RF_HWENABLED_LO_MASK) 7670 cur = 1; 7671 } 7672 7673 if (mac->mac_flags & BWN_MAC_FLAG_RADIO_ON) 7674 prev = 1; 7675 7676 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called; cur=%d, prev=%d\n", 7677 __func__, cur, prev); 7678 7679 if (cur != prev) { 7680 if (cur) 7681 mac->mac_flags |= BWN_MAC_FLAG_RADIO_ON; 7682 else 7683 mac->mac_flags &= ~BWN_MAC_FLAG_RADIO_ON; 7684 7685 device_printf(sc->sc_dev, 7686 "status of RF switch is changed to %s\n", 7687 cur ? "ON" : "OFF"); 7688 if (cur != mac->mac_phy.rf_on) { 7689 if (cur) 7690 bwn_rf_turnon(mac); 7691 else 7692 bwn_rf_turnoff(mac); 7693 } 7694 } 7695 7696 callout_schedule(&sc->sc_rfswitch_ch, hz); 7697 } 7698 7699 static void 7700 bwn_sysctl_node(struct bwn_softc *sc) 7701 { 7702 device_t dev = sc->sc_dev; 7703 struct bwn_mac *mac; 7704 struct bwn_stats *stats; 7705 7706 /* XXX assume that count of MAC is only 1. */ 7707 7708 if ((mac = sc->sc_curmac) == NULL) 7709 return; 7710 stats = &mac->mac_stats; 7711 7712 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7713 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7714 "linknoise", CTLFLAG_RW, &stats->rts, 0, "Noise level"); 7715 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7716 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7717 "rts", CTLFLAG_RW, &stats->rts, 0, "RTS"); 7718 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7719 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7720 "rtsfail", CTLFLAG_RW, &stats->rtsfail, 0, "RTS failed to send"); 7721 7722 #ifdef BWN_DEBUG 7723 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 7724 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7725 "debug", CTLFLAG_RW, &sc->sc_debug, 0, "Debug flags"); 7726 #endif 7727 } 7728 7729 static device_method_t bwn_methods[] = { 7730 /* Device interface */ 7731 DEVMETHOD(device_probe, bwn_probe), 7732 DEVMETHOD(device_attach, bwn_attach), 7733 DEVMETHOD(device_detach, bwn_detach), 7734 DEVMETHOD(device_suspend, bwn_suspend), 7735 DEVMETHOD(device_resume, bwn_resume), 7736 DEVMETHOD_END 7737 }; 7738 static driver_t bwn_driver = { 7739 "bwn", 7740 bwn_methods, 7741 sizeof(struct bwn_softc) 7742 }; 7743 static devclass_t bwn_devclass; 7744 DRIVER_MODULE(bwn, bhnd, bwn_driver, bwn_devclass, 0, 0); 7745 MODULE_DEPEND(bwn, bhnd, 1, 1, 1); 7746 MODULE_DEPEND(bwn, gpiobus, 1, 1, 1); 7747 MODULE_DEPEND(bwn, wlan, 1, 1, 1); /* 802.11 media layer */ 7748 MODULE_DEPEND(bwn, firmware, 1, 1, 1); /* firmware support */ 7749 MODULE_DEPEND(bwn, wlan_amrr, 1, 1, 1); 7750 MODULE_VERSION(bwn, 1); 7751