Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/bwn/if_bwn.c
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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 | CTLFLAG_MPSAFE, 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 #if 0 1312 device_printf(sc->sc_dev, "%s: iost=0x%04hx, have_a=%d, have_bg=%d," 1313 " deviceid=0x%04x, siba_deviceid=0x%04x\n", 1314 __func__, 1315 iost, 1316 have_a, 1317 have_bg, 1318 sc->sc_board_info.board_devid, 1319 sc->sc_cid.chip_id); 1320 #endif 1321 1322 /* 1323 * Guess at whether it has A-PHY or G-PHY. 1324 * This is just used for resetting the core to probe things; 1325 * we will re-guess once it's all up and working. 1326 */ 1327 error = bwn_reset_core(mac, have_bg); 1328 if (error) 1329 goto fail; 1330 1331 /* 1332 * Determine the DMA engine type 1333 */ 1334 if (iost & BHND_IOST_DMA64) { 1335 mac->mac_dmatype = BHND_DMA_ADDR_64BIT; 1336 } else { 1337 uint32_t tmp; 1338 uint16_t base; 1339 1340 base = bwn_dma_base(0, 0); 1341 BWN_WRITE_4(mac, base + BWN_DMA32_TXCTL, 1342 BWN_DMA32_TXADDREXT_MASK); 1343 tmp = BWN_READ_4(mac, base + BWN_DMA32_TXCTL); 1344 if (tmp & BWN_DMA32_TXADDREXT_MASK) { 1345 mac->mac_dmatype = BHND_DMA_ADDR_32BIT; 1346 } else { 1347 mac->mac_dmatype = BHND_DMA_ADDR_30BIT; 1348 } 1349 } 1350 1351 /* 1352 * Get the PHY version. 1353 */ 1354 error = bwn_phy_getinfo(mac, have_bg); 1355 if (error) 1356 goto fail; 1357 1358 /* 1359 * This is the whitelist of devices which we "believe" 1360 * the SPROM PHY config from. The rest are "guessed". 1361 */ 1362 if (sc->sc_board_info.board_devid != PCI_DEVID_BCM4311_D11DUAL && 1363 sc->sc_board_info.board_devid != PCI_DEVID_BCM4328_D11G && 1364 sc->sc_board_info.board_devid != PCI_DEVID_BCM4318_D11DUAL && 1365 sc->sc_board_info.board_devid != PCI_DEVID_BCM4306_D11DUAL && 1366 sc->sc_board_info.board_devid != PCI_DEVID_BCM4321_D11N && 1367 sc->sc_board_info.board_devid != PCI_DEVID_BCM4322_D11N) { 1368 have_a = have_bg = 0; 1369 if (mac->mac_phy.type == BWN_PHYTYPE_A) 1370 have_a = 1; 1371 else if (mac->mac_phy.type == BWN_PHYTYPE_G || 1372 mac->mac_phy.type == BWN_PHYTYPE_N || 1373 mac->mac_phy.type == BWN_PHYTYPE_LP) 1374 have_bg = 1; 1375 else 1376 KASSERT(0 == 1, ("%s: unknown phy type (%d)", __func__, 1377 mac->mac_phy.type)); 1378 } 1379 1380 /* 1381 * XXX The PHY-G support doesn't do 5GHz operation. 1382 */ 1383 if (mac->mac_phy.type != BWN_PHYTYPE_LP && 1384 mac->mac_phy.type != BWN_PHYTYPE_N) { 1385 device_printf(sc->sc_dev, 1386 "%s: forcing 2GHz only; no dual-band support for PHY\n", 1387 __func__); 1388 have_a = 0; 1389 have_bg = 1; 1390 } 1391 1392 mac->mac_phy.phy_n = NULL; 1393 1394 if (mac->mac_phy.type == BWN_PHYTYPE_G) { 1395 mac->mac_phy.attach = bwn_phy_g_attach; 1396 mac->mac_phy.detach = bwn_phy_g_detach; 1397 mac->mac_phy.prepare_hw = bwn_phy_g_prepare_hw; 1398 mac->mac_phy.init_pre = bwn_phy_g_init_pre; 1399 mac->mac_phy.init = bwn_phy_g_init; 1400 mac->mac_phy.exit = bwn_phy_g_exit; 1401 mac->mac_phy.phy_read = bwn_phy_g_read; 1402 mac->mac_phy.phy_write = bwn_phy_g_write; 1403 mac->mac_phy.rf_read = bwn_phy_g_rf_read; 1404 mac->mac_phy.rf_write = bwn_phy_g_rf_write; 1405 mac->mac_phy.use_hwpctl = bwn_phy_g_hwpctl; 1406 mac->mac_phy.rf_onoff = bwn_phy_g_rf_onoff; 1407 mac->mac_phy.switch_analog = bwn_phy_switch_analog; 1408 mac->mac_phy.switch_channel = bwn_phy_g_switch_channel; 1409 mac->mac_phy.get_default_chan = bwn_phy_g_get_default_chan; 1410 mac->mac_phy.set_antenna = bwn_phy_g_set_antenna; 1411 mac->mac_phy.set_im = bwn_phy_g_im; 1412 mac->mac_phy.recalc_txpwr = bwn_phy_g_recalc_txpwr; 1413 mac->mac_phy.set_txpwr = bwn_phy_g_set_txpwr; 1414 mac->mac_phy.task_15s = bwn_phy_g_task_15s; 1415 mac->mac_phy.task_60s = bwn_phy_g_task_60s; 1416 } else if (mac->mac_phy.type == BWN_PHYTYPE_LP) { 1417 mac->mac_phy.init_pre = bwn_phy_lp_init_pre; 1418 mac->mac_phy.init = bwn_phy_lp_init; 1419 mac->mac_phy.phy_read = bwn_phy_lp_read; 1420 mac->mac_phy.phy_write = bwn_phy_lp_write; 1421 mac->mac_phy.phy_maskset = bwn_phy_lp_maskset; 1422 mac->mac_phy.rf_read = bwn_phy_lp_rf_read; 1423 mac->mac_phy.rf_write = bwn_phy_lp_rf_write; 1424 mac->mac_phy.rf_onoff = bwn_phy_lp_rf_onoff; 1425 mac->mac_phy.switch_analog = bwn_phy_lp_switch_analog; 1426 mac->mac_phy.switch_channel = bwn_phy_lp_switch_channel; 1427 mac->mac_phy.get_default_chan = bwn_phy_lp_get_default_chan; 1428 mac->mac_phy.set_antenna = bwn_phy_lp_set_antenna; 1429 mac->mac_phy.task_60s = bwn_phy_lp_task_60s; 1430 } else if (mac->mac_phy.type == BWN_PHYTYPE_N) { 1431 mac->mac_phy.attach = bwn_phy_n_attach; 1432 mac->mac_phy.detach = bwn_phy_n_detach; 1433 mac->mac_phy.prepare_hw = bwn_phy_n_prepare_hw; 1434 mac->mac_phy.init_pre = bwn_phy_n_init_pre; 1435 mac->mac_phy.init = bwn_phy_n_init; 1436 mac->mac_phy.exit = bwn_phy_n_exit; 1437 mac->mac_phy.phy_read = bwn_phy_n_read; 1438 mac->mac_phy.phy_write = bwn_phy_n_write; 1439 mac->mac_phy.rf_read = bwn_phy_n_rf_read; 1440 mac->mac_phy.rf_write = bwn_phy_n_rf_write; 1441 mac->mac_phy.use_hwpctl = bwn_phy_n_hwpctl; 1442 mac->mac_phy.rf_onoff = bwn_phy_n_rf_onoff; 1443 mac->mac_phy.switch_analog = bwn_phy_n_switch_analog; 1444 mac->mac_phy.switch_channel = bwn_phy_n_switch_channel; 1445 mac->mac_phy.get_default_chan = bwn_phy_n_get_default_chan; 1446 mac->mac_phy.set_antenna = bwn_phy_n_set_antenna; 1447 mac->mac_phy.set_im = bwn_phy_n_im; 1448 mac->mac_phy.recalc_txpwr = bwn_phy_n_recalc_txpwr; 1449 mac->mac_phy.set_txpwr = bwn_phy_n_set_txpwr; 1450 mac->mac_phy.task_15s = bwn_phy_n_task_15s; 1451 mac->mac_phy.task_60s = bwn_phy_n_task_60s; 1452 } else { 1453 device_printf(sc->sc_dev, "unsupported PHY type (%d)\n", 1454 mac->mac_phy.type); 1455 error = ENXIO; 1456 goto fail; 1457 } 1458 1459 mac->mac_phy.gmode = have_bg; 1460 if (mac->mac_phy.attach != NULL) { 1461 error = mac->mac_phy.attach(mac); 1462 if (error) { 1463 device_printf(sc->sc_dev, "failed\n"); 1464 goto fail; 1465 } 1466 } 1467 1468 error = bwn_reset_core(mac, have_bg); 1469 if (error) 1470 goto fail; 1471 1472 error = bwn_chiptest(mac); 1473 if (error) 1474 goto fail; 1475 error = bwn_setup_channels(mac, have_bg, have_a); 1476 if (error) { 1477 device_printf(sc->sc_dev, "failed to setup channels\n"); 1478 goto fail; 1479 } 1480 1481 if (sc->sc_curmac == NULL) 1482 sc->sc_curmac = mac; 1483 1484 error = bwn_dma_attach(mac); 1485 if (error != 0) { 1486 device_printf(sc->sc_dev, "failed to initialize DMA\n"); 1487 goto fail; 1488 } 1489 1490 mac->mac_phy.switch_analog(mac, 0); 1491 1492 fail: 1493 bhnd_suspend_hw(sc->sc_dev, 0); 1494 bwn_release_firmware(mac); 1495 return (error); 1496 } 1497 1498 /* 1499 * Reset 1500 */ 1501 int 1502 bwn_reset_core(struct bwn_mac *mac, int g_mode) 1503 { 1504 struct bwn_softc *sc; 1505 uint32_t ctl; 1506 uint16_t ioctl, ioctl_mask; 1507 int error; 1508 1509 sc = mac->mac_sc; 1510 1511 DPRINTF(sc, BWN_DEBUG_RESET, "%s: g_mode=%d\n", __func__, g_mode); 1512 1513 /* Reset core */ 1514 ioctl = (BWN_IOCTL_PHYCLOCK_ENABLE | BWN_IOCTL_PHYRESET); 1515 if (g_mode) 1516 ioctl |= BWN_IOCTL_SUPPORT_G; 1517 1518 /* XXX N-PHY only; and hard-code to 20MHz for now */ 1519 if (mac->mac_phy.type == BWN_PHYTYPE_N) 1520 ioctl |= BWN_IOCTL_PHY_BANDWIDTH_20MHZ; 1521 1522 if ((error = bhnd_reset_hw(sc->sc_dev, ioctl, ioctl))) { 1523 device_printf(sc->sc_dev, "core reset failed: %d", error); 1524 return (error); 1525 } 1526 1527 DELAY(2000); 1528 1529 /* Take PHY out of reset */ 1530 ioctl = BHND_IOCTL_CLK_FORCE; 1531 ioctl_mask = BHND_IOCTL_CLK_FORCE | 1532 BWN_IOCTL_PHYRESET | 1533 BWN_IOCTL_PHYCLOCK_ENABLE; 1534 1535 if ((error = bhnd_write_ioctl(sc->sc_dev, ioctl, ioctl_mask))) { 1536 device_printf(sc->sc_dev, "failed to set core ioctl flags: " 1537 "%d\n", error); 1538 return (error); 1539 } 1540 1541 DELAY(2000); 1542 1543 ioctl = BWN_IOCTL_PHYCLOCK_ENABLE; 1544 if ((error = bhnd_write_ioctl(sc->sc_dev, ioctl, ioctl_mask))) { 1545 device_printf(sc->sc_dev, "failed to set core ioctl flags: " 1546 "%d\n", error); 1547 return (error); 1548 } 1549 1550 DELAY(2000); 1551 1552 if (mac->mac_phy.switch_analog != NULL) 1553 mac->mac_phy.switch_analog(mac, 1); 1554 1555 ctl = BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_GMODE; 1556 if (g_mode) 1557 ctl |= BWN_MACCTL_GMODE; 1558 BWN_WRITE_4(mac, BWN_MACCTL, ctl | BWN_MACCTL_IHR_ON); 1559 1560 return (0); 1561 } 1562 1563 static int 1564 bwn_phy_getinfo(struct bwn_mac *mac, int gmode) 1565 { 1566 struct bwn_phy *phy = &mac->mac_phy; 1567 struct bwn_softc *sc = mac->mac_sc; 1568 uint32_t tmp; 1569 1570 /* PHY */ 1571 tmp = BWN_READ_2(mac, BWN_PHYVER); 1572 phy->gmode = gmode; 1573 phy->rf_on = 1; 1574 phy->analog = (tmp & BWN_PHYVER_ANALOG) >> 12; 1575 phy->type = (tmp & BWN_PHYVER_TYPE) >> 8; 1576 phy->rev = (tmp & BWN_PHYVER_VERSION); 1577 if ((phy->type == BWN_PHYTYPE_A && phy->rev >= 4) || 1578 (phy->type == BWN_PHYTYPE_B && phy->rev != 2 && 1579 phy->rev != 4 && phy->rev != 6 && phy->rev != 7) || 1580 (phy->type == BWN_PHYTYPE_G && phy->rev > 9) || 1581 (phy->type == BWN_PHYTYPE_N && phy->rev > 6) || 1582 (phy->type == BWN_PHYTYPE_LP && phy->rev > 2)) 1583 goto unsupphy; 1584 1585 /* RADIO */ 1586 BWN_WRITE_2(mac, BWN_RFCTL, BWN_RFCTL_ID); 1587 tmp = BWN_READ_2(mac, BWN_RFDATALO); 1588 BWN_WRITE_2(mac, BWN_RFCTL, BWN_RFCTL_ID); 1589 tmp |= (uint32_t)BWN_READ_2(mac, BWN_RFDATAHI) << 16; 1590 1591 phy->rf_rev = (tmp & 0xf0000000) >> 28; 1592 phy->rf_ver = (tmp & 0x0ffff000) >> 12; 1593 phy->rf_manuf = (tmp & 0x00000fff); 1594 1595 /* 1596 * For now, just always do full init (ie, what bwn has traditionally 1597 * done) 1598 */ 1599 phy->phy_do_full_init = 1; 1600 1601 if (phy->rf_manuf != 0x17f) /* 0x17f is broadcom */ 1602 goto unsupradio; 1603 if ((phy->type == BWN_PHYTYPE_A && (phy->rf_ver != 0x2060 || 1604 phy->rf_rev != 1 || phy->rf_manuf != 0x17f)) || 1605 (phy->type == BWN_PHYTYPE_B && (phy->rf_ver & 0xfff0) != 0x2050) || 1606 (phy->type == BWN_PHYTYPE_G && phy->rf_ver != 0x2050) || 1607 (phy->type == BWN_PHYTYPE_N && 1608 phy->rf_ver != 0x2055 && phy->rf_ver != 0x2056) || 1609 (phy->type == BWN_PHYTYPE_LP && 1610 phy->rf_ver != 0x2062 && phy->rf_ver != 0x2063)) 1611 goto unsupradio; 1612 1613 return (0); 1614 unsupphy: 1615 device_printf(sc->sc_dev, "unsupported PHY (type %#x, rev %#x, " 1616 "analog %#x)\n", 1617 phy->type, phy->rev, phy->analog); 1618 return (ENXIO); 1619 unsupradio: 1620 device_printf(sc->sc_dev, "unsupported radio (manuf %#x, ver %#x, " 1621 "rev %#x)\n", 1622 phy->rf_manuf, phy->rf_ver, phy->rf_rev); 1623 return (ENXIO); 1624 } 1625 1626 static int 1627 bwn_chiptest(struct bwn_mac *mac) 1628 { 1629 #define TESTVAL0 0x55aaaa55 1630 #define TESTVAL1 0xaa5555aa 1631 struct bwn_softc *sc = mac->mac_sc; 1632 uint32_t v, backup; 1633 1634 BWN_LOCK(sc); 1635 1636 backup = bwn_shm_read_4(mac, BWN_SHARED, 0); 1637 1638 bwn_shm_write_4(mac, BWN_SHARED, 0, TESTVAL0); 1639 if (bwn_shm_read_4(mac, BWN_SHARED, 0) != TESTVAL0) 1640 goto error; 1641 bwn_shm_write_4(mac, BWN_SHARED, 0, TESTVAL1); 1642 if (bwn_shm_read_4(mac, BWN_SHARED, 0) != TESTVAL1) 1643 goto error; 1644 1645 bwn_shm_write_4(mac, BWN_SHARED, 0, backup); 1646 1647 if ((bhnd_get_hwrev(sc->sc_dev) >= 3) && 1648 (bhnd_get_hwrev(sc->sc_dev) <= 10)) { 1649 BWN_WRITE_2(mac, BWN_TSF_CFP_START, 0xaaaa); 1650 BWN_WRITE_4(mac, BWN_TSF_CFP_START, 0xccccbbbb); 1651 if (BWN_READ_2(mac, BWN_TSF_CFP_START_LOW) != 0xbbbb) 1652 goto error; 1653 if (BWN_READ_2(mac, BWN_TSF_CFP_START_HIGH) != 0xcccc) 1654 goto error; 1655 } 1656 BWN_WRITE_4(mac, BWN_TSF_CFP_START, 0); 1657 1658 v = BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_GMODE; 1659 if (v != (BWN_MACCTL_GMODE | BWN_MACCTL_IHR_ON)) 1660 goto error; 1661 1662 BWN_UNLOCK(sc); 1663 return (0); 1664 error: 1665 BWN_UNLOCK(sc); 1666 device_printf(sc->sc_dev, "failed to validate the chipaccess\n"); 1667 return (ENODEV); 1668 } 1669 1670 static int 1671 bwn_setup_channels(struct bwn_mac *mac, int have_bg, int have_a) 1672 { 1673 struct bwn_softc *sc = mac->mac_sc; 1674 struct ieee80211com *ic = &sc->sc_ic; 1675 uint8_t bands[IEEE80211_MODE_BYTES]; 1676 1677 memset(ic->ic_channels, 0, sizeof(ic->ic_channels)); 1678 ic->ic_nchans = 0; 1679 1680 DPRINTF(sc, BWN_DEBUG_EEPROM, "%s: called; bg=%d, a=%d\n", 1681 __func__, 1682 have_bg, 1683 have_a); 1684 1685 if (have_bg) { 1686 memset(bands, 0, sizeof(bands)); 1687 setbit(bands, IEEE80211_MODE_11B); 1688 setbit(bands, IEEE80211_MODE_11G); 1689 bwn_addchannels(ic->ic_channels, IEEE80211_CHAN_MAX, 1690 &ic->ic_nchans, &bwn_chantable_bg, bands); 1691 } 1692 1693 if (have_a) { 1694 memset(bands, 0, sizeof(bands)); 1695 setbit(bands, IEEE80211_MODE_11A); 1696 bwn_addchannels(ic->ic_channels, IEEE80211_CHAN_MAX, 1697 &ic->ic_nchans, &bwn_chantable_a, bands); 1698 } 1699 1700 mac->mac_phy.supports_2ghz = have_bg; 1701 mac->mac_phy.supports_5ghz = have_a; 1702 1703 return (ic->ic_nchans == 0 ? ENXIO : 0); 1704 } 1705 1706 uint32_t 1707 bwn_shm_read_4(struct bwn_mac *mac, uint16_t way, uint16_t offset) 1708 { 1709 uint32_t ret; 1710 1711 BWN_ASSERT_LOCKED(mac->mac_sc); 1712 1713 if (way == BWN_SHARED) { 1714 KASSERT((offset & 0x0001) == 0, 1715 ("%s:%d warn", __func__, __LINE__)); 1716 if (offset & 0x0003) { 1717 bwn_shm_ctlword(mac, way, offset >> 2); 1718 ret = BWN_READ_2(mac, BWN_SHM_DATA_UNALIGNED); 1719 ret <<= 16; 1720 bwn_shm_ctlword(mac, way, (offset >> 2) + 1); 1721 ret |= BWN_READ_2(mac, BWN_SHM_DATA); 1722 goto out; 1723 } 1724 offset >>= 2; 1725 } 1726 bwn_shm_ctlword(mac, way, offset); 1727 ret = BWN_READ_4(mac, BWN_SHM_DATA); 1728 out: 1729 return (ret); 1730 } 1731 1732 uint16_t 1733 bwn_shm_read_2(struct bwn_mac *mac, uint16_t way, uint16_t offset) 1734 { 1735 uint16_t ret; 1736 1737 BWN_ASSERT_LOCKED(mac->mac_sc); 1738 1739 if (way == BWN_SHARED) { 1740 KASSERT((offset & 0x0001) == 0, 1741 ("%s:%d warn", __func__, __LINE__)); 1742 if (offset & 0x0003) { 1743 bwn_shm_ctlword(mac, way, offset >> 2); 1744 ret = BWN_READ_2(mac, BWN_SHM_DATA_UNALIGNED); 1745 goto out; 1746 } 1747 offset >>= 2; 1748 } 1749 bwn_shm_ctlword(mac, way, offset); 1750 ret = BWN_READ_2(mac, BWN_SHM_DATA); 1751 out: 1752 1753 return (ret); 1754 } 1755 1756 static void 1757 bwn_shm_ctlword(struct bwn_mac *mac, uint16_t way, 1758 uint16_t offset) 1759 { 1760 uint32_t control; 1761 1762 control = way; 1763 control <<= 16; 1764 control |= offset; 1765 BWN_WRITE_4(mac, BWN_SHM_CONTROL, control); 1766 } 1767 1768 void 1769 bwn_shm_write_4(struct bwn_mac *mac, uint16_t way, uint16_t offset, 1770 uint32_t value) 1771 { 1772 BWN_ASSERT_LOCKED(mac->mac_sc); 1773 1774 if (way == BWN_SHARED) { 1775 KASSERT((offset & 0x0001) == 0, 1776 ("%s:%d warn", __func__, __LINE__)); 1777 if (offset & 0x0003) { 1778 bwn_shm_ctlword(mac, way, offset >> 2); 1779 BWN_WRITE_2(mac, BWN_SHM_DATA_UNALIGNED, 1780 (value >> 16) & 0xffff); 1781 bwn_shm_ctlword(mac, way, (offset >> 2) + 1); 1782 BWN_WRITE_2(mac, BWN_SHM_DATA, value & 0xffff); 1783 return; 1784 } 1785 offset >>= 2; 1786 } 1787 bwn_shm_ctlword(mac, way, offset); 1788 BWN_WRITE_4(mac, BWN_SHM_DATA, value); 1789 } 1790 1791 void 1792 bwn_shm_write_2(struct bwn_mac *mac, uint16_t way, uint16_t offset, 1793 uint16_t value) 1794 { 1795 BWN_ASSERT_LOCKED(mac->mac_sc); 1796 1797 if (way == BWN_SHARED) { 1798 KASSERT((offset & 0x0001) == 0, 1799 ("%s:%d warn", __func__, __LINE__)); 1800 if (offset & 0x0003) { 1801 bwn_shm_ctlword(mac, way, offset >> 2); 1802 BWN_WRITE_2(mac, BWN_SHM_DATA_UNALIGNED, value); 1803 return; 1804 } 1805 offset >>= 2; 1806 } 1807 bwn_shm_ctlword(mac, way, offset); 1808 BWN_WRITE_2(mac, BWN_SHM_DATA, value); 1809 } 1810 1811 static void 1812 bwn_addchannels(struct ieee80211_channel chans[], int maxchans, int *nchans, 1813 const struct bwn_channelinfo *ci, const uint8_t bands[]) 1814 { 1815 int i, error; 1816 1817 for (i = 0, error = 0; i < ci->nchannels && error == 0; i++) { 1818 const struct bwn_channel *hc = &ci->channels[i]; 1819 1820 error = ieee80211_add_channel(chans, maxchans, nchans, 1821 hc->ieee, hc->freq, hc->maxTxPow, 0, bands); 1822 } 1823 } 1824 1825 static int 1826 bwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1827 const struct ieee80211_bpf_params *params) 1828 { 1829 struct ieee80211com *ic = ni->ni_ic; 1830 struct bwn_softc *sc = ic->ic_softc; 1831 struct bwn_mac *mac = sc->sc_curmac; 1832 int error; 1833 1834 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0 || 1835 mac->mac_status < BWN_MAC_STATUS_STARTED) { 1836 m_freem(m); 1837 return (ENETDOWN); 1838 } 1839 1840 BWN_LOCK(sc); 1841 if (bwn_tx_isfull(sc, m)) { 1842 m_freem(m); 1843 BWN_UNLOCK(sc); 1844 return (ENOBUFS); 1845 } 1846 1847 error = bwn_tx_start(sc, ni, m); 1848 if (error == 0) 1849 sc->sc_watchdog_timer = 5; 1850 BWN_UNLOCK(sc); 1851 return (error); 1852 } 1853 1854 /* 1855 * Callback from the 802.11 layer to update the slot time 1856 * based on the current setting. We use it to notify the 1857 * firmware of ERP changes and the f/w takes care of things 1858 * like slot time and preamble. 1859 */ 1860 static void 1861 bwn_updateslot(struct ieee80211com *ic) 1862 { 1863 struct bwn_softc *sc = ic->ic_softc; 1864 struct bwn_mac *mac; 1865 1866 BWN_LOCK(sc); 1867 if (sc->sc_flags & BWN_FLAG_RUNNING) { 1868 mac = (struct bwn_mac *)sc->sc_curmac; 1869 bwn_set_slot_time(mac, IEEE80211_GET_SLOTTIME(ic)); 1870 } 1871 BWN_UNLOCK(sc); 1872 } 1873 1874 /* 1875 * Callback from the 802.11 layer after a promiscuous mode change. 1876 * Note this interface does not check the operating mode as this 1877 * is an internal callback and we are expected to honor the current 1878 * state (e.g. this is used for setting the interface in promiscuous 1879 * mode when operating in hostap mode to do ACS). 1880 */ 1881 static void 1882 bwn_update_promisc(struct ieee80211com *ic) 1883 { 1884 struct bwn_softc *sc = ic->ic_softc; 1885 struct bwn_mac *mac = sc->sc_curmac; 1886 1887 BWN_LOCK(sc); 1888 mac = sc->sc_curmac; 1889 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1890 if (ic->ic_promisc > 0) 1891 sc->sc_filters |= BWN_MACCTL_PROMISC; 1892 else 1893 sc->sc_filters &= ~BWN_MACCTL_PROMISC; 1894 bwn_set_opmode(mac); 1895 } 1896 BWN_UNLOCK(sc); 1897 } 1898 1899 /* 1900 * Callback from the 802.11 layer to update WME parameters. 1901 */ 1902 static int 1903 bwn_wme_update(struct ieee80211com *ic) 1904 { 1905 struct bwn_softc *sc = ic->ic_softc; 1906 struct bwn_mac *mac = sc->sc_curmac; 1907 struct chanAccParams chp; 1908 struct wmeParams *wmep; 1909 int i; 1910 1911 ieee80211_wme_ic_getparams(ic, &chp); 1912 1913 BWN_LOCK(sc); 1914 mac = sc->sc_curmac; 1915 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1916 bwn_mac_suspend(mac); 1917 for (i = 0; i < N(sc->sc_wmeParams); i++) { 1918 wmep = &chp.cap_wmeParams[i]; 1919 bwn_wme_loadparams(mac, wmep, bwn_wme_shm_offsets[i]); 1920 } 1921 bwn_mac_enable(mac); 1922 } 1923 BWN_UNLOCK(sc); 1924 return (0); 1925 } 1926 1927 static void 1928 bwn_scan_start(struct ieee80211com *ic) 1929 { 1930 struct bwn_softc *sc = ic->ic_softc; 1931 struct bwn_mac *mac; 1932 1933 BWN_LOCK(sc); 1934 mac = sc->sc_curmac; 1935 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1936 sc->sc_filters |= BWN_MACCTL_BEACON_PROMISC; 1937 bwn_set_opmode(mac); 1938 /* disable CFP update during scan */ 1939 bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_SKIP_CFP_UPDATE); 1940 } 1941 BWN_UNLOCK(sc); 1942 } 1943 1944 static void 1945 bwn_scan_end(struct ieee80211com *ic) 1946 { 1947 struct bwn_softc *sc = ic->ic_softc; 1948 struct bwn_mac *mac; 1949 1950 BWN_LOCK(sc); 1951 mac = sc->sc_curmac; 1952 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1953 sc->sc_filters &= ~BWN_MACCTL_BEACON_PROMISC; 1954 bwn_set_opmode(mac); 1955 bwn_hf_write(mac, bwn_hf_read(mac) & ~BWN_HF_SKIP_CFP_UPDATE); 1956 } 1957 BWN_UNLOCK(sc); 1958 } 1959 1960 static void 1961 bwn_set_channel(struct ieee80211com *ic) 1962 { 1963 struct bwn_softc *sc = ic->ic_softc; 1964 struct bwn_mac *mac = sc->sc_curmac; 1965 struct bwn_phy *phy = &mac->mac_phy; 1966 int chan, error; 1967 1968 BWN_LOCK(sc); 1969 1970 error = bwn_switch_band(sc, ic->ic_curchan); 1971 if (error) 1972 goto fail; 1973 bwn_mac_suspend(mac); 1974 bwn_set_txretry(mac, BWN_RETRY_SHORT, BWN_RETRY_LONG); 1975 chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 1976 if (chan != phy->chan) 1977 bwn_switch_channel(mac, chan); 1978 1979 /* TX power level */ 1980 if (ic->ic_curchan->ic_maxpower != 0 && 1981 ic->ic_curchan->ic_maxpower != phy->txpower) { 1982 phy->txpower = ic->ic_curchan->ic_maxpower / 2; 1983 bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME | 1984 BWN_TXPWR_IGNORE_TSSI); 1985 } 1986 1987 bwn_set_txantenna(mac, BWN_ANT_DEFAULT); 1988 if (phy->set_antenna) 1989 phy->set_antenna(mac, BWN_ANT_DEFAULT); 1990 1991 if (sc->sc_rf_enabled != phy->rf_on) { 1992 if (sc->sc_rf_enabled) { 1993 bwn_rf_turnon(mac); 1994 if (!(mac->mac_flags & BWN_MAC_FLAG_RADIO_ON)) 1995 device_printf(sc->sc_dev, 1996 "please turn on the RF switch\n"); 1997 } else 1998 bwn_rf_turnoff(mac); 1999 } 2000 2001 bwn_mac_enable(mac); 2002 2003 fail: 2004 BWN_UNLOCK(sc); 2005 } 2006 2007 static struct ieee80211vap * 2008 bwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 2009 enum ieee80211_opmode opmode, int flags, 2010 const uint8_t bssid[IEEE80211_ADDR_LEN], 2011 const uint8_t mac[IEEE80211_ADDR_LEN]) 2012 { 2013 struct ieee80211vap *vap; 2014 struct bwn_vap *bvp; 2015 2016 switch (opmode) { 2017 case IEEE80211_M_HOSTAP: 2018 case IEEE80211_M_MBSS: 2019 case IEEE80211_M_STA: 2020 case IEEE80211_M_WDS: 2021 case IEEE80211_M_MONITOR: 2022 case IEEE80211_M_IBSS: 2023 case IEEE80211_M_AHDEMO: 2024 break; 2025 default: 2026 return (NULL); 2027 } 2028 2029 bvp = malloc(sizeof(struct bwn_vap), M_80211_VAP, M_WAITOK | M_ZERO); 2030 vap = &bvp->bv_vap; 2031 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 2032 /* override with driver methods */ 2033 bvp->bv_newstate = vap->iv_newstate; 2034 vap->iv_newstate = bwn_newstate; 2035 2036 /* override max aid so sta's cannot assoc when we're out of sta id's */ 2037 vap->iv_max_aid = BWN_STAID_MAX; 2038 2039 ieee80211_ratectl_init(vap); 2040 2041 /* complete setup */ 2042 ieee80211_vap_attach(vap, ieee80211_media_change, 2043 ieee80211_media_status, mac); 2044 return (vap); 2045 } 2046 2047 static void 2048 bwn_vap_delete(struct ieee80211vap *vap) 2049 { 2050 struct bwn_vap *bvp = BWN_VAP(vap); 2051 2052 ieee80211_ratectl_deinit(vap); 2053 ieee80211_vap_detach(vap); 2054 free(bvp, M_80211_VAP); 2055 } 2056 2057 static int 2058 bwn_init(struct bwn_softc *sc) 2059 { 2060 struct bwn_mac *mac; 2061 int error; 2062 2063 BWN_ASSERT_LOCKED(sc); 2064 2065 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2066 2067 bzero(sc->sc_bssid, IEEE80211_ADDR_LEN); 2068 sc->sc_flags |= BWN_FLAG_NEED_BEACON_TP; 2069 sc->sc_filters = 0; 2070 bwn_wme_clear(sc); 2071 sc->sc_beacons[0] = sc->sc_beacons[1] = 0; 2072 sc->sc_rf_enabled = 1; 2073 2074 mac = sc->sc_curmac; 2075 if (mac->mac_status == BWN_MAC_STATUS_UNINIT) { 2076 error = bwn_core_init(mac); 2077 if (error != 0) 2078 return (error); 2079 } 2080 if (mac->mac_status == BWN_MAC_STATUS_INITED) 2081 bwn_core_start(mac); 2082 2083 bwn_set_opmode(mac); 2084 bwn_set_pretbtt(mac); 2085 bwn_spu_setdelay(mac, 0); 2086 bwn_set_macaddr(mac); 2087 2088 sc->sc_flags |= BWN_FLAG_RUNNING; 2089 callout_reset(&sc->sc_rfswitch_ch, hz, bwn_rfswitch, sc); 2090 callout_reset(&sc->sc_watchdog_ch, hz, bwn_watchdog, sc); 2091 2092 return (0); 2093 } 2094 2095 static void 2096 bwn_stop(struct bwn_softc *sc) 2097 { 2098 struct bwn_mac *mac = sc->sc_curmac; 2099 2100 BWN_ASSERT_LOCKED(sc); 2101 2102 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2103 2104 if (mac->mac_status >= BWN_MAC_STATUS_INITED) { 2105 /* XXX FIXME opmode not based on VAP */ 2106 bwn_set_opmode(mac); 2107 bwn_set_macaddr(mac); 2108 } 2109 2110 if (mac->mac_status >= BWN_MAC_STATUS_STARTED) 2111 bwn_core_stop(mac); 2112 2113 callout_stop(&sc->sc_led_blink_ch); 2114 sc->sc_led_blinking = 0; 2115 2116 bwn_core_exit(mac); 2117 sc->sc_rf_enabled = 0; 2118 2119 sc->sc_flags &= ~BWN_FLAG_RUNNING; 2120 } 2121 2122 static void 2123 bwn_wme_clear(struct bwn_softc *sc) 2124 { 2125 struct wmeParams *p; 2126 unsigned int i; 2127 2128 KASSERT(N(bwn_wme_shm_offsets) == N(sc->sc_wmeParams), 2129 ("%s:%d: fail", __func__, __LINE__)); 2130 2131 for (i = 0; i < N(sc->sc_wmeParams); i++) { 2132 p = &(sc->sc_wmeParams[i]); 2133 2134 switch (bwn_wme_shm_offsets[i]) { 2135 case BWN_WME_VOICE: 2136 p->wmep_txopLimit = 0; 2137 p->wmep_aifsn = 2; 2138 /* XXX FIXME: log2(cwmin) */ 2139 p->wmep_logcwmin = 2140 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMIN); 2141 p->wmep_logcwmax = 2142 _IEEE80211_MASKSHIFT(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 = 2149 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMIN); 2150 p->wmep_logcwmax = 2151 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMAX); 2152 break; 2153 case BWN_WME_BESTEFFORT: 2154 p->wmep_txopLimit = 0; 2155 p->wmep_aifsn = 3; 2156 /* XXX FIXME: log2(cwmin) */ 2157 p->wmep_logcwmin = 2158 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMIN); 2159 p->wmep_logcwmax = 2160 _IEEE80211_MASKSHIFT(0x03ff, WME_PARAM_LOGCWMAX); 2161 break; 2162 case BWN_WME_BACKGROUND: 2163 p->wmep_txopLimit = 0; 2164 p->wmep_aifsn = 7; 2165 /* XXX FIXME: log2(cwmin) */ 2166 p->wmep_logcwmin = 2167 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMIN); 2168 p->wmep_logcwmax = 2169 _IEEE80211_MASKSHIFT(0x03ff, WME_PARAM_LOGCWMAX); 2170 break; 2171 default: 2172 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2173 } 2174 } 2175 } 2176 2177 static int 2178 bwn_core_forceclk(struct bwn_mac *mac, bool force) 2179 { 2180 struct bwn_softc *sc; 2181 bhnd_clock clock; 2182 int error; 2183 2184 sc = mac->mac_sc; 2185 2186 /* On PMU equipped devices, we do not need to force the HT clock */ 2187 if (sc->sc_pmu != NULL) 2188 return (0); 2189 2190 /* Issue a PMU clock request */ 2191 if (force) 2192 clock = BHND_CLOCK_HT; 2193 else 2194 clock = BHND_CLOCK_DYN; 2195 2196 if ((error = bhnd_request_clock(sc->sc_dev, clock))) { 2197 device_printf(sc->sc_dev, "%d clock request failed: %d\n", 2198 clock, error); 2199 return (error); 2200 } 2201 2202 return (0); 2203 } 2204 2205 static int 2206 bwn_core_init(struct bwn_mac *mac) 2207 { 2208 struct bwn_softc *sc = mac->mac_sc; 2209 uint64_t hf; 2210 int error; 2211 2212 KASSERT(mac->mac_status == BWN_MAC_STATUS_UNINIT, 2213 ("%s:%d: fail", __func__, __LINE__)); 2214 2215 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2216 2217 if ((error = bwn_core_forceclk(mac, true))) 2218 return (error); 2219 2220 if (bhnd_is_hw_suspended(sc->sc_dev)) { 2221 if ((error = bwn_reset_core(mac, mac->mac_phy.gmode))) 2222 goto fail0; 2223 } 2224 2225 mac->mac_flags &= ~BWN_MAC_FLAG_DFQVALID; 2226 mac->mac_flags |= BWN_MAC_FLAG_RADIO_ON; 2227 mac->mac_phy.hwpctl = (bwn_hwpctl) ? 1 : 0; 2228 BWN_GETTIME(mac->mac_phy.nexttime); 2229 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 2230 bzero(&mac->mac_stats, sizeof(mac->mac_stats)); 2231 mac->mac_stats.link_noise = -95; 2232 mac->mac_reason_intr = 0; 2233 bzero(mac->mac_reason, sizeof(mac->mac_reason)); 2234 mac->mac_intr_mask = BWN_INTR_MASKTEMPLATE; 2235 #ifdef BWN_DEBUG 2236 if (sc->sc_debug & BWN_DEBUG_XMIT) 2237 mac->mac_intr_mask &= ~BWN_INTR_PHY_TXERR; 2238 #endif 2239 mac->mac_suspended = 1; 2240 mac->mac_task_state = 0; 2241 memset(&mac->mac_noise, 0, sizeof(mac->mac_noise)); 2242 2243 mac->mac_phy.init_pre(mac); 2244 2245 bwn_bt_disable(mac); 2246 if (mac->mac_phy.prepare_hw) { 2247 error = mac->mac_phy.prepare_hw(mac); 2248 if (error) 2249 goto fail0; 2250 } 2251 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: chip_init\n", __func__); 2252 error = bwn_chip_init(mac); 2253 if (error) 2254 goto fail0; 2255 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_COREREV, 2256 bhnd_get_hwrev(sc->sc_dev)); 2257 hf = bwn_hf_read(mac); 2258 if (mac->mac_phy.type == BWN_PHYTYPE_G) { 2259 hf |= BWN_HF_GPHY_SYM_WORKAROUND; 2260 if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL) 2261 hf |= BWN_HF_PAGAINBOOST_OFDM_ON; 2262 if (mac->mac_phy.rev == 1) 2263 hf |= BWN_HF_GPHY_DC_CANCELFILTER; 2264 } 2265 if (mac->mac_phy.rf_ver == 0x2050) { 2266 if (mac->mac_phy.rf_rev < 6) 2267 hf |= BWN_HF_FORCE_VCO_RECALC; 2268 if (mac->mac_phy.rf_rev == 6) 2269 hf |= BWN_HF_4318_TSSI; 2270 } 2271 if (sc->sc_board_info.board_flags & BHND_BFL_NOPLLDOWN) 2272 hf |= BWN_HF_SLOWCLOCK_REQ_OFF; 2273 if (sc->sc_quirks & BWN_QUIRK_UCODE_SLOWCLOCK_WAR) 2274 hf |= BWN_HF_PCI_SLOWCLOCK_WORKAROUND; 2275 hf &= ~BWN_HF_SKIP_CFP_UPDATE; 2276 bwn_hf_write(mac, hf); 2277 2278 /* Tell the firmware about the MAC capabilities */ 2279 if (bhnd_get_hwrev(sc->sc_dev) >= 13) { 2280 uint32_t cap; 2281 cap = BWN_READ_4(mac, BWN_MAC_HW_CAP); 2282 DPRINTF(sc, BWN_DEBUG_RESET, 2283 "%s: hw capabilities: 0x%08x\n", 2284 __func__, cap); 2285 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_MACHW_L, 2286 cap & 0xffff); 2287 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_MACHW_H, 2288 (cap >> 16) & 0xffff); 2289 } 2290 2291 bwn_set_txretry(mac, BWN_RETRY_SHORT, BWN_RETRY_LONG); 2292 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_SHORT_RETRY_FALLBACK, 3); 2293 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_LONG_RETRY_FALLBACK, 2); 2294 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_MAXTIME, 1); 2295 2296 bwn_rate_init(mac); 2297 bwn_set_phytxctl(mac); 2298 2299 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_CONT_MIN, 2300 (mac->mac_phy.type == BWN_PHYTYPE_B) ? 0x1f : 0xf); 2301 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_CONT_MAX, 0x3ff); 2302 2303 if (sc->sc_quirks & BWN_QUIRK_NODMA) 2304 bwn_pio_init(mac); 2305 else 2306 bwn_dma_init(mac); 2307 bwn_wme_init(mac); 2308 bwn_spu_setdelay(mac, 1); 2309 bwn_bt_enable(mac); 2310 2311 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: powerup\n", __func__); 2312 if (sc->sc_board_info.board_flags & BHND_BFL_NOPLLDOWN) 2313 bwn_core_forceclk(mac, true); 2314 else 2315 bwn_core_forceclk(mac, false); 2316 2317 bwn_set_macaddr(mac); 2318 bwn_crypt_init(mac); 2319 2320 /* XXX LED initializatin */ 2321 2322 mac->mac_status = BWN_MAC_STATUS_INITED; 2323 2324 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: done\n", __func__); 2325 return (error); 2326 2327 fail0: 2328 bhnd_suspend_hw(sc->sc_dev, 0); 2329 KASSERT(mac->mac_status == BWN_MAC_STATUS_UNINIT, 2330 ("%s:%d: fail", __func__, __LINE__)); 2331 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: fail\n", __func__); 2332 return (error); 2333 } 2334 2335 static void 2336 bwn_core_start(struct bwn_mac *mac) 2337 { 2338 struct bwn_softc *sc = mac->mac_sc; 2339 uint32_t tmp; 2340 2341 KASSERT(mac->mac_status == BWN_MAC_STATUS_INITED, 2342 ("%s:%d: fail", __func__, __LINE__)); 2343 2344 if (bhnd_get_hwrev(sc->sc_dev) < 5) 2345 return; 2346 2347 while (1) { 2348 tmp = BWN_READ_4(mac, BWN_XMITSTAT_0); 2349 if (!(tmp & 0x00000001)) 2350 break; 2351 tmp = BWN_READ_4(mac, BWN_XMITSTAT_1); 2352 } 2353 2354 bwn_mac_enable(mac); 2355 BWN_WRITE_4(mac, BWN_INTR_MASK, mac->mac_intr_mask); 2356 callout_reset(&sc->sc_task_ch, hz * 15, bwn_tasks, mac); 2357 2358 mac->mac_status = BWN_MAC_STATUS_STARTED; 2359 } 2360 2361 static void 2362 bwn_core_exit(struct bwn_mac *mac) 2363 { 2364 struct bwn_softc *sc = mac->mac_sc; 2365 uint32_t macctl; 2366 2367 BWN_ASSERT_LOCKED(mac->mac_sc); 2368 2369 KASSERT(mac->mac_status <= BWN_MAC_STATUS_INITED, 2370 ("%s:%d: fail", __func__, __LINE__)); 2371 2372 if (mac->mac_status != BWN_MAC_STATUS_INITED) 2373 return; 2374 mac->mac_status = BWN_MAC_STATUS_UNINIT; 2375 2376 macctl = BWN_READ_4(mac, BWN_MACCTL); 2377 macctl &= ~BWN_MACCTL_MCODE_RUN; 2378 macctl |= BWN_MACCTL_MCODE_JMP0; 2379 BWN_WRITE_4(mac, BWN_MACCTL, macctl); 2380 2381 bwn_dma_stop(mac); 2382 bwn_pio_stop(mac); 2383 bwn_chip_exit(mac); 2384 mac->mac_phy.switch_analog(mac, 0); 2385 bhnd_suspend_hw(sc->sc_dev, 0); 2386 } 2387 2388 static void 2389 bwn_bt_disable(struct bwn_mac *mac) 2390 { 2391 struct bwn_softc *sc = mac->mac_sc; 2392 2393 (void)sc; 2394 /* XXX do nothing yet */ 2395 } 2396 2397 static int 2398 bwn_chip_init(struct bwn_mac *mac) 2399 { 2400 struct bwn_softc *sc = mac->mac_sc; 2401 struct bwn_phy *phy = &mac->mac_phy; 2402 uint32_t macctl; 2403 u_int delay; 2404 int error; 2405 2406 macctl = BWN_MACCTL_IHR_ON | BWN_MACCTL_SHM_ON | BWN_MACCTL_STA; 2407 if (phy->gmode) 2408 macctl |= BWN_MACCTL_GMODE; 2409 BWN_WRITE_4(mac, BWN_MACCTL, macctl); 2410 2411 error = bwn_fw_fillinfo(mac); 2412 if (error) 2413 return (error); 2414 error = bwn_fw_loaducode(mac); 2415 if (error) 2416 return (error); 2417 2418 error = bwn_gpio_init(mac); 2419 if (error) 2420 return (error); 2421 2422 error = bwn_fw_loadinitvals(mac); 2423 if (error) 2424 return (error); 2425 2426 phy->switch_analog(mac, 1); 2427 error = bwn_phy_init(mac); 2428 if (error) 2429 return (error); 2430 2431 if (phy->set_im) 2432 phy->set_im(mac, BWN_IMMODE_NONE); 2433 if (phy->set_antenna) 2434 phy->set_antenna(mac, BWN_ANT_DEFAULT); 2435 bwn_set_txantenna(mac, BWN_ANT_DEFAULT); 2436 2437 if (phy->type == BWN_PHYTYPE_B) 2438 BWN_WRITE_2(mac, 0x005e, BWN_READ_2(mac, 0x005e) | 0x0004); 2439 BWN_WRITE_4(mac, 0x0100, 0x01000000); 2440 if (bhnd_get_hwrev(sc->sc_dev) < 5) 2441 BWN_WRITE_4(mac, 0x010c, 0x01000000); 2442 2443 BWN_WRITE_4(mac, BWN_MACCTL, 2444 BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_STA); 2445 BWN_WRITE_4(mac, BWN_MACCTL, 2446 BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_STA); 2447 bwn_shm_write_2(mac, BWN_SHARED, 0x0074, 0x0000); 2448 2449 bwn_set_opmode(mac); 2450 if (bhnd_get_hwrev(sc->sc_dev) < 3) { 2451 BWN_WRITE_2(mac, 0x060e, 0x0000); 2452 BWN_WRITE_2(mac, 0x0610, 0x8000); 2453 BWN_WRITE_2(mac, 0x0604, 0x0000); 2454 BWN_WRITE_2(mac, 0x0606, 0x0200); 2455 } else { 2456 BWN_WRITE_4(mac, 0x0188, 0x80000000); 2457 BWN_WRITE_4(mac, 0x018c, 0x02000000); 2458 } 2459 BWN_WRITE_4(mac, BWN_INTR_REASON, 0x00004000); 2460 BWN_WRITE_4(mac, BWN_DMA0_INTR_MASK, 0x0001dc00); 2461 BWN_WRITE_4(mac, BWN_DMA1_INTR_MASK, 0x0000dc00); 2462 BWN_WRITE_4(mac, BWN_DMA2_INTR_MASK, 0x0000dc00); 2463 BWN_WRITE_4(mac, BWN_DMA3_INTR_MASK, 0x0001dc00); 2464 BWN_WRITE_4(mac, BWN_DMA4_INTR_MASK, 0x0000dc00); 2465 BWN_WRITE_4(mac, BWN_DMA5_INTR_MASK, 0x0000dc00); 2466 2467 bwn_mac_phy_clock_set(mac, true); 2468 2469 /* Provide the HT clock transition latency to the MAC core */ 2470 error = bhnd_get_clock_latency(sc->sc_dev, BHND_CLOCK_HT, &delay); 2471 if (error) { 2472 device_printf(sc->sc_dev, "failed to fetch HT clock latency: " 2473 "%d\n", error); 2474 return (error); 2475 } 2476 2477 if (delay > UINT16_MAX) { 2478 device_printf(sc->sc_dev, "invalid HT clock latency: %u\n", 2479 delay); 2480 return (ENXIO); 2481 } 2482 2483 BWN_WRITE_2(mac, BWN_POWERUP_DELAY, delay); 2484 return (0); 2485 } 2486 2487 /* read hostflags */ 2488 uint64_t 2489 bwn_hf_read(struct bwn_mac *mac) 2490 { 2491 uint64_t ret; 2492 2493 ret = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFHI); 2494 ret <<= 16; 2495 ret |= bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFMI); 2496 ret <<= 16; 2497 ret |= bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFLO); 2498 return (ret); 2499 } 2500 2501 void 2502 bwn_hf_write(struct bwn_mac *mac, uint64_t value) 2503 { 2504 2505 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFLO, 2506 (value & 0x00000000ffffull)); 2507 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFMI, 2508 (value & 0x0000ffff0000ull) >> 16); 2509 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFHI, 2510 (value & 0xffff00000000ULL) >> 32); 2511 } 2512 2513 static void 2514 bwn_set_txretry(struct bwn_mac *mac, int s, int l) 2515 { 2516 2517 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_SHORT_RETRY, MIN(s, 0xf)); 2518 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_LONG_RETRY, MIN(l, 0xf)); 2519 } 2520 2521 static void 2522 bwn_rate_init(struct bwn_mac *mac) 2523 { 2524 2525 switch (mac->mac_phy.type) { 2526 case BWN_PHYTYPE_A: 2527 case BWN_PHYTYPE_G: 2528 case BWN_PHYTYPE_LP: 2529 case BWN_PHYTYPE_N: 2530 bwn_rate_write(mac, BWN_OFDM_RATE_6MB, 1); 2531 bwn_rate_write(mac, BWN_OFDM_RATE_12MB, 1); 2532 bwn_rate_write(mac, BWN_OFDM_RATE_18MB, 1); 2533 bwn_rate_write(mac, BWN_OFDM_RATE_24MB, 1); 2534 bwn_rate_write(mac, BWN_OFDM_RATE_36MB, 1); 2535 bwn_rate_write(mac, BWN_OFDM_RATE_48MB, 1); 2536 bwn_rate_write(mac, BWN_OFDM_RATE_54MB, 1); 2537 if (mac->mac_phy.type == BWN_PHYTYPE_A) 2538 break; 2539 /* FALLTHROUGH */ 2540 case BWN_PHYTYPE_B: 2541 bwn_rate_write(mac, BWN_CCK_RATE_1MB, 0); 2542 bwn_rate_write(mac, BWN_CCK_RATE_2MB, 0); 2543 bwn_rate_write(mac, BWN_CCK_RATE_5MB, 0); 2544 bwn_rate_write(mac, BWN_CCK_RATE_11MB, 0); 2545 break; 2546 default: 2547 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2548 } 2549 } 2550 2551 static void 2552 bwn_rate_write(struct bwn_mac *mac, uint16_t rate, int ofdm) 2553 { 2554 uint16_t offset; 2555 2556 if (ofdm) { 2557 offset = 0x480; 2558 offset += (bwn_plcp_getofdm(rate) & 0x000f) * 2; 2559 } else { 2560 offset = 0x4c0; 2561 offset += (bwn_plcp_getcck(rate) & 0x000f) * 2; 2562 } 2563 bwn_shm_write_2(mac, BWN_SHARED, offset + 0x20, 2564 bwn_shm_read_2(mac, BWN_SHARED, offset)); 2565 } 2566 2567 static uint8_t 2568 bwn_plcp_getcck(const uint8_t bitrate) 2569 { 2570 2571 switch (bitrate) { 2572 case BWN_CCK_RATE_1MB: 2573 return (0x0a); 2574 case BWN_CCK_RATE_2MB: 2575 return (0x14); 2576 case BWN_CCK_RATE_5MB: 2577 return (0x37); 2578 case BWN_CCK_RATE_11MB: 2579 return (0x6e); 2580 } 2581 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2582 return (0); 2583 } 2584 2585 static uint8_t 2586 bwn_plcp_getofdm(const uint8_t bitrate) 2587 { 2588 2589 switch (bitrate) { 2590 case BWN_OFDM_RATE_6MB: 2591 return (0xb); 2592 case BWN_OFDM_RATE_9MB: 2593 return (0xf); 2594 case BWN_OFDM_RATE_12MB: 2595 return (0xa); 2596 case BWN_OFDM_RATE_18MB: 2597 return (0xe); 2598 case BWN_OFDM_RATE_24MB: 2599 return (0x9); 2600 case BWN_OFDM_RATE_36MB: 2601 return (0xd); 2602 case BWN_OFDM_RATE_48MB: 2603 return (0x8); 2604 case BWN_OFDM_RATE_54MB: 2605 return (0xc); 2606 } 2607 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2608 return (0); 2609 } 2610 2611 static void 2612 bwn_set_phytxctl(struct bwn_mac *mac) 2613 { 2614 uint16_t ctl; 2615 2616 ctl = (BWN_TX_PHY_ENC_CCK | BWN_TX_PHY_ANT01AUTO | 2617 BWN_TX_PHY_TXPWR); 2618 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_BEACON_PHYCTL, ctl); 2619 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL, ctl); 2620 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL, ctl); 2621 } 2622 2623 static void 2624 bwn_pio_init(struct bwn_mac *mac) 2625 { 2626 struct bwn_pio *pio = &mac->mac_method.pio; 2627 2628 BWN_WRITE_4(mac, BWN_MACCTL, BWN_READ_4(mac, BWN_MACCTL) 2629 & ~BWN_MACCTL_BIGENDIAN); 2630 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_RX_PADOFFSET, 0); 2631 2632 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_BK], 0); 2633 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_BE], 1); 2634 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_VI], 2); 2635 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_VO], 3); 2636 bwn_pio_set_txqueue(mac, &pio->mcast, 4); 2637 bwn_pio_setupqueue_rx(mac, &pio->rx, 0); 2638 } 2639 2640 static void 2641 bwn_pio_set_txqueue(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 2642 int index) 2643 { 2644 struct bwn_pio_txpkt *tp; 2645 struct bwn_softc *sc = mac->mac_sc; 2646 unsigned int i; 2647 2648 tq->tq_base = bwn_pio_idx2base(mac, index) + BWN_PIO_TXQOFFSET(mac); 2649 tq->tq_index = index; 2650 2651 tq->tq_free = BWN_PIO_MAX_TXPACKETS; 2652 if (bhnd_get_hwrev(sc->sc_dev) >= 8) 2653 tq->tq_size = 1920; 2654 else { 2655 tq->tq_size = bwn_pio_read_2(mac, tq, BWN_PIO_TXQBUFSIZE); 2656 tq->tq_size -= 80; 2657 } 2658 2659 TAILQ_INIT(&tq->tq_pktlist); 2660 for (i = 0; i < N(tq->tq_pkts); i++) { 2661 tp = &(tq->tq_pkts[i]); 2662 tp->tp_index = i; 2663 tp->tp_queue = tq; 2664 TAILQ_INSERT_TAIL(&tq->tq_pktlist, tp, tp_list); 2665 } 2666 } 2667 2668 static uint16_t 2669 bwn_pio_idx2base(struct bwn_mac *mac, int index) 2670 { 2671 struct bwn_softc *sc = mac->mac_sc; 2672 static const uint16_t bases[] = { 2673 BWN_PIO_BASE0, 2674 BWN_PIO_BASE1, 2675 BWN_PIO_BASE2, 2676 BWN_PIO_BASE3, 2677 BWN_PIO_BASE4, 2678 BWN_PIO_BASE5, 2679 BWN_PIO_BASE6, 2680 BWN_PIO_BASE7, 2681 }; 2682 static const uint16_t bases_rev11[] = { 2683 BWN_PIO11_BASE0, 2684 BWN_PIO11_BASE1, 2685 BWN_PIO11_BASE2, 2686 BWN_PIO11_BASE3, 2687 BWN_PIO11_BASE4, 2688 BWN_PIO11_BASE5, 2689 }; 2690 2691 if (bhnd_get_hwrev(sc->sc_dev) >= 11) { 2692 if (index >= N(bases_rev11)) 2693 device_printf(sc->sc_dev, "%s: warning\n", __func__); 2694 return (bases_rev11[index]); 2695 } 2696 if (index >= N(bases)) 2697 device_printf(sc->sc_dev, "%s: warning\n", __func__); 2698 return (bases[index]); 2699 } 2700 2701 static void 2702 bwn_pio_setupqueue_rx(struct bwn_mac *mac, struct bwn_pio_rxqueue *prq, 2703 int index) 2704 { 2705 struct bwn_softc *sc = mac->mac_sc; 2706 2707 prq->prq_mac = mac; 2708 prq->prq_rev = bhnd_get_hwrev(sc->sc_dev); 2709 prq->prq_base = bwn_pio_idx2base(mac, index) + BWN_PIO_RXQOFFSET(mac); 2710 bwn_dma_rxdirectfifo(mac, index, 1); 2711 } 2712 2713 static void 2714 bwn_destroy_pioqueue_tx(struct bwn_pio_txqueue *tq) 2715 { 2716 if (tq == NULL) 2717 return; 2718 bwn_pio_cancel_tx_packets(tq); 2719 } 2720 2721 static void 2722 bwn_destroy_queue_tx(struct bwn_pio_txqueue *pio) 2723 { 2724 2725 bwn_destroy_pioqueue_tx(pio); 2726 } 2727 2728 static uint16_t 2729 bwn_pio_read_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 2730 uint16_t offset) 2731 { 2732 2733 return (BWN_READ_2(mac, tq->tq_base + offset)); 2734 } 2735 2736 static void 2737 bwn_dma_rxdirectfifo(struct bwn_mac *mac, int idx, uint8_t enable) 2738 { 2739 uint32_t ctl; 2740 uint16_t base; 2741 2742 base = bwn_dma_base(mac->mac_dmatype, idx); 2743 if (mac->mac_dmatype == BHND_DMA_ADDR_64BIT) { 2744 ctl = BWN_READ_4(mac, base + BWN_DMA64_RXCTL); 2745 ctl &= ~BWN_DMA64_RXDIRECTFIFO; 2746 if (enable) 2747 ctl |= BWN_DMA64_RXDIRECTFIFO; 2748 BWN_WRITE_4(mac, base + BWN_DMA64_RXCTL, ctl); 2749 } else { 2750 ctl = BWN_READ_4(mac, base + BWN_DMA32_RXCTL); 2751 ctl &= ~BWN_DMA32_RXDIRECTFIFO; 2752 if (enable) 2753 ctl |= BWN_DMA32_RXDIRECTFIFO; 2754 BWN_WRITE_4(mac, base + BWN_DMA32_RXCTL, ctl); 2755 } 2756 } 2757 2758 static void 2759 bwn_pio_cancel_tx_packets(struct bwn_pio_txqueue *tq) 2760 { 2761 struct bwn_pio_txpkt *tp; 2762 unsigned int i; 2763 2764 for (i = 0; i < N(tq->tq_pkts); i++) { 2765 tp = &(tq->tq_pkts[i]); 2766 if (tp->tp_m) { 2767 m_freem(tp->tp_m); 2768 tp->tp_m = NULL; 2769 } 2770 } 2771 } 2772 2773 static uint16_t 2774 bwn_dma_base(int type, int controller_idx) 2775 { 2776 static const uint16_t map64[] = { 2777 BWN_DMA64_BASE0, 2778 BWN_DMA64_BASE1, 2779 BWN_DMA64_BASE2, 2780 BWN_DMA64_BASE3, 2781 BWN_DMA64_BASE4, 2782 BWN_DMA64_BASE5, 2783 }; 2784 static const uint16_t map32[] = { 2785 BWN_DMA32_BASE0, 2786 BWN_DMA32_BASE1, 2787 BWN_DMA32_BASE2, 2788 BWN_DMA32_BASE3, 2789 BWN_DMA32_BASE4, 2790 BWN_DMA32_BASE5, 2791 }; 2792 2793 if (type == BHND_DMA_ADDR_64BIT) { 2794 KASSERT(controller_idx >= 0 && controller_idx < N(map64), 2795 ("%s:%d: fail", __func__, __LINE__)); 2796 return (map64[controller_idx]); 2797 } 2798 KASSERT(controller_idx >= 0 && controller_idx < N(map32), 2799 ("%s:%d: fail", __func__, __LINE__)); 2800 return (map32[controller_idx]); 2801 } 2802 2803 static void 2804 bwn_dma_init(struct bwn_mac *mac) 2805 { 2806 struct bwn_dma *dma = &mac->mac_method.dma; 2807 2808 /* setup TX DMA channels. */ 2809 bwn_dma_setup(dma->wme[WME_AC_BK]); 2810 bwn_dma_setup(dma->wme[WME_AC_BE]); 2811 bwn_dma_setup(dma->wme[WME_AC_VI]); 2812 bwn_dma_setup(dma->wme[WME_AC_VO]); 2813 bwn_dma_setup(dma->mcast); 2814 /* setup RX DMA channel. */ 2815 bwn_dma_setup(dma->rx); 2816 } 2817 2818 static struct bwn_dma_ring * 2819 bwn_dma_ringsetup(struct bwn_mac *mac, int controller_index, 2820 int for_tx) 2821 { 2822 struct bwn_dma *dma = &mac->mac_method.dma; 2823 struct bwn_dma_ring *dr; 2824 struct bwn_dmadesc_generic *desc; 2825 struct bwn_dmadesc_meta *mt; 2826 struct bwn_softc *sc = mac->mac_sc; 2827 int error, i; 2828 2829 dr = malloc(sizeof(*dr), M_DEVBUF, M_NOWAIT | M_ZERO); 2830 if (dr == NULL) 2831 goto out; 2832 dr->dr_numslots = BWN_RXRING_SLOTS; 2833 if (for_tx) 2834 dr->dr_numslots = BWN_TXRING_SLOTS; 2835 2836 dr->dr_meta = malloc(dr->dr_numslots * sizeof(struct bwn_dmadesc_meta), 2837 M_DEVBUF, M_NOWAIT | M_ZERO); 2838 if (dr->dr_meta == NULL) 2839 goto fail0; 2840 2841 dr->dr_type = mac->mac_dmatype; 2842 dr->dr_mac = mac; 2843 dr->dr_base = bwn_dma_base(dr->dr_type, controller_index); 2844 dr->dr_index = controller_index; 2845 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 2846 dr->getdesc = bwn_dma_64_getdesc; 2847 dr->setdesc = bwn_dma_64_setdesc; 2848 dr->start_transfer = bwn_dma_64_start_transfer; 2849 dr->suspend = bwn_dma_64_suspend; 2850 dr->resume = bwn_dma_64_resume; 2851 dr->get_curslot = bwn_dma_64_get_curslot; 2852 dr->set_curslot = bwn_dma_64_set_curslot; 2853 } else { 2854 dr->getdesc = bwn_dma_32_getdesc; 2855 dr->setdesc = bwn_dma_32_setdesc; 2856 dr->start_transfer = bwn_dma_32_start_transfer; 2857 dr->suspend = bwn_dma_32_suspend; 2858 dr->resume = bwn_dma_32_resume; 2859 dr->get_curslot = bwn_dma_32_get_curslot; 2860 dr->set_curslot = bwn_dma_32_set_curslot; 2861 } 2862 if (for_tx) { 2863 dr->dr_tx = 1; 2864 dr->dr_curslot = -1; 2865 } else { 2866 if (dr->dr_index == 0) { 2867 switch (mac->mac_fw.fw_hdr_format) { 2868 case BWN_FW_HDR_351: 2869 case BWN_FW_HDR_410: 2870 dr->dr_rx_bufsize = 2871 BWN_DMA0_RX_BUFFERSIZE_FW351; 2872 dr->dr_frameoffset = 2873 BWN_DMA0_RX_FRAMEOFFSET_FW351; 2874 break; 2875 case BWN_FW_HDR_598: 2876 dr->dr_rx_bufsize = 2877 BWN_DMA0_RX_BUFFERSIZE_FW598; 2878 dr->dr_frameoffset = 2879 BWN_DMA0_RX_FRAMEOFFSET_FW598; 2880 break; 2881 } 2882 } else 2883 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2884 } 2885 2886 error = bwn_dma_allocringmemory(dr); 2887 if (error) 2888 goto fail2; 2889 2890 if (for_tx) { 2891 /* 2892 * Assumption: BWN_TXRING_SLOTS can be divided by 2893 * BWN_TX_SLOTS_PER_FRAME 2894 */ 2895 KASSERT(BWN_TXRING_SLOTS % BWN_TX_SLOTS_PER_FRAME == 0, 2896 ("%s:%d: fail", __func__, __LINE__)); 2897 2898 dr->dr_txhdr_cache = contigmalloc( 2899 (dr->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2900 BWN_MAXTXHDRSIZE, M_DEVBUF, M_ZERO, 2901 0, BUS_SPACE_MAXADDR, 8, 0); 2902 if (dr->dr_txhdr_cache == NULL) { 2903 device_printf(sc->sc_dev, 2904 "can't allocate TX header DMA memory\n"); 2905 goto fail1; 2906 } 2907 2908 /* 2909 * Create TX ring DMA stuffs 2910 */ 2911 error = bus_dma_tag_create(dma->parent_dtag, 2912 BWN_ALIGN, 0, 2913 BUS_SPACE_MAXADDR, 2914 BUS_SPACE_MAXADDR, 2915 NULL, NULL, 2916 BWN_HDRSIZE(mac), 2917 1, 2918 BUS_SPACE_MAXSIZE_32BIT, 2919 0, 2920 NULL, NULL, 2921 &dr->dr_txring_dtag); 2922 if (error) { 2923 device_printf(sc->sc_dev, 2924 "can't create TX ring DMA tag: TODO frees\n"); 2925 goto fail2; 2926 } 2927 2928 for (i = 0; i < dr->dr_numslots; i += 2) { 2929 dr->getdesc(dr, i, &desc, &mt); 2930 2931 mt->mt_txtype = BWN_DMADESC_METATYPE_HEADER; 2932 mt->mt_m = NULL; 2933 mt->mt_ni = NULL; 2934 mt->mt_islast = 0; 2935 error = bus_dmamap_create(dr->dr_txring_dtag, 0, 2936 &mt->mt_dmap); 2937 if (error) { 2938 device_printf(sc->sc_dev, 2939 "can't create RX buf DMA map\n"); 2940 goto fail2; 2941 } 2942 2943 dr->getdesc(dr, i + 1, &desc, &mt); 2944 2945 mt->mt_txtype = BWN_DMADESC_METATYPE_BODY; 2946 mt->mt_m = NULL; 2947 mt->mt_ni = NULL; 2948 mt->mt_islast = 1; 2949 error = bus_dmamap_create(dma->txbuf_dtag, 0, 2950 &mt->mt_dmap); 2951 if (error) { 2952 device_printf(sc->sc_dev, 2953 "can't create RX buf DMA map\n"); 2954 goto fail2; 2955 } 2956 } 2957 } else { 2958 error = bus_dmamap_create(dma->rxbuf_dtag, 0, 2959 &dr->dr_spare_dmap); 2960 if (error) { 2961 device_printf(sc->sc_dev, 2962 "can't create RX buf DMA map\n"); 2963 goto out; /* XXX wrong! */ 2964 } 2965 2966 for (i = 0; i < dr->dr_numslots; i++) { 2967 dr->getdesc(dr, i, &desc, &mt); 2968 2969 error = bus_dmamap_create(dma->rxbuf_dtag, 0, 2970 &mt->mt_dmap); 2971 if (error) { 2972 device_printf(sc->sc_dev, 2973 "can't create RX buf DMA map\n"); 2974 goto out; /* XXX wrong! */ 2975 } 2976 error = bwn_dma_newbuf(dr, desc, mt, 1); 2977 if (error) { 2978 device_printf(sc->sc_dev, 2979 "failed to allocate RX buf\n"); 2980 goto out; /* XXX wrong! */ 2981 } 2982 } 2983 2984 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 2985 BUS_DMASYNC_PREWRITE); 2986 2987 dr->dr_usedslot = dr->dr_numslots; 2988 } 2989 2990 out: 2991 return (dr); 2992 2993 fail2: 2994 if (dr->dr_txhdr_cache != NULL) { 2995 contigfree(dr->dr_txhdr_cache, 2996 (dr->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2997 BWN_MAXTXHDRSIZE, M_DEVBUF); 2998 } 2999 fail1: 3000 free(dr->dr_meta, M_DEVBUF); 3001 fail0: 3002 free(dr, M_DEVBUF); 3003 return (NULL); 3004 } 3005 3006 static void 3007 bwn_dma_ringfree(struct bwn_dma_ring **dr) 3008 { 3009 3010 if (dr == NULL) 3011 return; 3012 3013 bwn_dma_free_descbufs(*dr); 3014 bwn_dma_free_ringmemory(*dr); 3015 3016 if ((*dr)->dr_txhdr_cache != NULL) { 3017 contigfree((*dr)->dr_txhdr_cache, 3018 ((*dr)->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 3019 BWN_MAXTXHDRSIZE, M_DEVBUF); 3020 } 3021 free((*dr)->dr_meta, M_DEVBUF); 3022 free(*dr, M_DEVBUF); 3023 3024 *dr = NULL; 3025 } 3026 3027 static void 3028 bwn_dma_32_getdesc(struct bwn_dma_ring *dr, int slot, 3029 struct bwn_dmadesc_generic **gdesc, struct bwn_dmadesc_meta **meta) 3030 { 3031 struct bwn_dmadesc32 *desc; 3032 3033 *meta = &(dr->dr_meta[slot]); 3034 desc = dr->dr_ring_descbase; 3035 desc = &(desc[slot]); 3036 3037 *gdesc = (struct bwn_dmadesc_generic *)desc; 3038 } 3039 3040 static void 3041 bwn_dma_32_setdesc(struct bwn_dma_ring *dr, 3042 struct bwn_dmadesc_generic *desc, bus_addr_t dmaaddr, uint16_t bufsize, 3043 int start, int end, int irq) 3044 { 3045 struct bwn_dmadesc32 *descbase; 3046 struct bwn_dma *dma; 3047 struct bhnd_dma_translation *dt; 3048 uint32_t addr, addrext, ctl; 3049 int slot; 3050 3051 descbase = dr->dr_ring_descbase; 3052 dma = &dr->dr_mac->mac_method.dma; 3053 dt = &dma->translation; 3054 3055 slot = (int)(&(desc->dma.dma32) - descbase); 3056 KASSERT(slot >= 0 && slot < dr->dr_numslots, 3057 ("%s:%d: fail", __func__, __LINE__)); 3058 3059 addr = (dmaaddr & dt->addr_mask) | dt->base_addr; 3060 addrext = ((dmaaddr & dt->addrext_mask) >> dma->addrext_shift); 3061 ctl = bufsize & BWN_DMA32_DCTL_BYTECNT; 3062 if (slot == dr->dr_numslots - 1) 3063 ctl |= BWN_DMA32_DCTL_DTABLEEND; 3064 if (start) 3065 ctl |= BWN_DMA32_DCTL_FRAMESTART; 3066 if (end) 3067 ctl |= BWN_DMA32_DCTL_FRAMEEND; 3068 if (irq) 3069 ctl |= BWN_DMA32_DCTL_IRQ; 3070 ctl |= (addrext << BWN_DMA32_DCTL_ADDREXT_SHIFT) 3071 & BWN_DMA32_DCTL_ADDREXT_MASK; 3072 3073 desc->dma.dma32.control = htole32(ctl); 3074 desc->dma.dma32.address = htole32(addr); 3075 } 3076 3077 static void 3078 bwn_dma_32_start_transfer(struct bwn_dma_ring *dr, int slot) 3079 { 3080 3081 BWN_DMA_WRITE(dr, BWN_DMA32_TXINDEX, 3082 (uint32_t)(slot * sizeof(struct bwn_dmadesc32))); 3083 } 3084 3085 static void 3086 bwn_dma_32_suspend(struct bwn_dma_ring *dr) 3087 { 3088 3089 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, 3090 BWN_DMA_READ(dr, BWN_DMA32_TXCTL) | BWN_DMA32_TXSUSPEND); 3091 } 3092 3093 static void 3094 bwn_dma_32_resume(struct bwn_dma_ring *dr) 3095 { 3096 3097 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, 3098 BWN_DMA_READ(dr, BWN_DMA32_TXCTL) & ~BWN_DMA32_TXSUSPEND); 3099 } 3100 3101 static int 3102 bwn_dma_32_get_curslot(struct bwn_dma_ring *dr) 3103 { 3104 uint32_t val; 3105 3106 val = BWN_DMA_READ(dr, BWN_DMA32_RXSTATUS); 3107 val &= BWN_DMA32_RXDPTR; 3108 3109 return (val / sizeof(struct bwn_dmadesc32)); 3110 } 3111 3112 static void 3113 bwn_dma_32_set_curslot(struct bwn_dma_ring *dr, int slot) 3114 { 3115 3116 BWN_DMA_WRITE(dr, BWN_DMA32_RXINDEX, 3117 (uint32_t) (slot * sizeof(struct bwn_dmadesc32))); 3118 } 3119 3120 static void 3121 bwn_dma_64_getdesc(struct bwn_dma_ring *dr, int slot, 3122 struct bwn_dmadesc_generic **gdesc, struct bwn_dmadesc_meta **meta) 3123 { 3124 struct bwn_dmadesc64 *desc; 3125 3126 *meta = &(dr->dr_meta[slot]); 3127 desc = dr->dr_ring_descbase; 3128 desc = &(desc[slot]); 3129 3130 *gdesc = (struct bwn_dmadesc_generic *)desc; 3131 } 3132 3133 static void 3134 bwn_dma_64_setdesc(struct bwn_dma_ring *dr, 3135 struct bwn_dmadesc_generic *desc, bus_addr_t dmaaddr, uint16_t bufsize, 3136 int start, int end, int irq) 3137 { 3138 struct bwn_dmadesc64 *descbase; 3139 struct bwn_dma *dma; 3140 struct bhnd_dma_translation *dt; 3141 bhnd_addr_t addr; 3142 uint32_t addrhi, addrlo; 3143 uint32_t addrext; 3144 uint32_t ctl0, ctl1; 3145 int slot; 3146 3147 descbase = dr->dr_ring_descbase; 3148 dma = &dr->dr_mac->mac_method.dma; 3149 dt = &dma->translation; 3150 3151 slot = (int)(&(desc->dma.dma64) - descbase); 3152 KASSERT(slot >= 0 && slot < dr->dr_numslots, 3153 ("%s:%d: fail", __func__, __LINE__)); 3154 3155 addr = (dmaaddr & dt->addr_mask) | dt->base_addr; 3156 addrhi = (addr >> 32); 3157 addrlo = (addr & UINT32_MAX); 3158 addrext = ((dmaaddr & dt->addrext_mask) >> dma->addrext_shift); 3159 3160 ctl0 = 0; 3161 if (slot == dr->dr_numslots - 1) 3162 ctl0 |= BWN_DMA64_DCTL0_DTABLEEND; 3163 if (start) 3164 ctl0 |= BWN_DMA64_DCTL0_FRAMESTART; 3165 if (end) 3166 ctl0 |= BWN_DMA64_DCTL0_FRAMEEND; 3167 if (irq) 3168 ctl0 |= BWN_DMA64_DCTL0_IRQ; 3169 3170 ctl1 = 0; 3171 ctl1 |= bufsize & BWN_DMA64_DCTL1_BYTECNT; 3172 ctl1 |= (addrext << BWN_DMA64_DCTL1_ADDREXT_SHIFT) 3173 & BWN_DMA64_DCTL1_ADDREXT_MASK; 3174 3175 desc->dma.dma64.control0 = htole32(ctl0); 3176 desc->dma.dma64.control1 = htole32(ctl1); 3177 desc->dma.dma64.address_low = htole32(addrlo); 3178 desc->dma.dma64.address_high = htole32(addrhi); 3179 } 3180 3181 static void 3182 bwn_dma_64_start_transfer(struct bwn_dma_ring *dr, int slot) 3183 { 3184 3185 BWN_DMA_WRITE(dr, BWN_DMA64_TXINDEX, 3186 (uint32_t)(slot * sizeof(struct bwn_dmadesc64))); 3187 } 3188 3189 static void 3190 bwn_dma_64_suspend(struct bwn_dma_ring *dr) 3191 { 3192 3193 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, 3194 BWN_DMA_READ(dr, BWN_DMA64_TXCTL) | BWN_DMA64_TXSUSPEND); 3195 } 3196 3197 static void 3198 bwn_dma_64_resume(struct bwn_dma_ring *dr) 3199 { 3200 3201 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, 3202 BWN_DMA_READ(dr, BWN_DMA64_TXCTL) & ~BWN_DMA64_TXSUSPEND); 3203 } 3204 3205 static int 3206 bwn_dma_64_get_curslot(struct bwn_dma_ring *dr) 3207 { 3208 uint32_t val; 3209 3210 val = BWN_DMA_READ(dr, BWN_DMA64_RXSTATUS); 3211 val &= BWN_DMA64_RXSTATDPTR; 3212 3213 return (val / sizeof(struct bwn_dmadesc64)); 3214 } 3215 3216 static void 3217 bwn_dma_64_set_curslot(struct bwn_dma_ring *dr, int slot) 3218 { 3219 3220 BWN_DMA_WRITE(dr, BWN_DMA64_RXINDEX, 3221 (uint32_t)(slot * sizeof(struct bwn_dmadesc64))); 3222 } 3223 3224 static int 3225 bwn_dma_allocringmemory(struct bwn_dma_ring *dr) 3226 { 3227 struct bwn_mac *mac = dr->dr_mac; 3228 struct bwn_dma *dma = &mac->mac_method.dma; 3229 struct bwn_softc *sc = mac->mac_sc; 3230 int error; 3231 3232 error = bus_dma_tag_create(dma->parent_dtag, 3233 BWN_ALIGN, 0, 3234 BUS_SPACE_MAXADDR, 3235 BUS_SPACE_MAXADDR, 3236 NULL, NULL, 3237 BWN_DMA_RINGMEMSIZE, 3238 1, 3239 BUS_SPACE_MAXSIZE_32BIT, 3240 0, 3241 NULL, NULL, 3242 &dr->dr_ring_dtag); 3243 if (error) { 3244 device_printf(sc->sc_dev, 3245 "can't create TX ring DMA tag: TODO frees\n"); 3246 return (-1); 3247 } 3248 3249 error = bus_dmamem_alloc(dr->dr_ring_dtag, 3250 &dr->dr_ring_descbase, BUS_DMA_WAITOK | BUS_DMA_ZERO, 3251 &dr->dr_ring_dmap); 3252 if (error) { 3253 device_printf(sc->sc_dev, 3254 "can't allocate DMA mem: TODO frees\n"); 3255 return (-1); 3256 } 3257 error = bus_dmamap_load(dr->dr_ring_dtag, dr->dr_ring_dmap, 3258 dr->dr_ring_descbase, BWN_DMA_RINGMEMSIZE, 3259 bwn_dma_ring_addr, &dr->dr_ring_dmabase, BUS_DMA_NOWAIT); 3260 if (error) { 3261 device_printf(sc->sc_dev, 3262 "can't load DMA mem: TODO free\n"); 3263 return (-1); 3264 } 3265 3266 return (0); 3267 } 3268 3269 static void 3270 bwn_dma_setup(struct bwn_dma_ring *dr) 3271 { 3272 struct bwn_mac *mac; 3273 struct bwn_dma *dma; 3274 struct bhnd_dma_translation *dt; 3275 bhnd_addr_t addr, paddr; 3276 uint32_t addrhi, addrlo, addrext, value; 3277 3278 mac = dr->dr_mac; 3279 dma = &mac->mac_method.dma; 3280 dt = &dma->translation; 3281 3282 paddr = dr->dr_ring_dmabase; 3283 addr = (paddr & dt->addr_mask) | dt->base_addr; 3284 addrhi = (addr >> 32); 3285 addrlo = (addr & UINT32_MAX); 3286 addrext = ((paddr & dt->addrext_mask) >> dma->addrext_shift); 3287 3288 if (dr->dr_tx) { 3289 dr->dr_curslot = -1; 3290 3291 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3292 value = BWN_DMA64_TXENABLE; 3293 value |= BWN_DMA64_TXPARITY_DISABLE; 3294 value |= (addrext << BWN_DMA64_TXADDREXT_SHIFT) 3295 & BWN_DMA64_TXADDREXT_MASK; 3296 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, value); 3297 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGLO, addrlo); 3298 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGHI, addrhi); 3299 } else { 3300 value = BWN_DMA32_TXENABLE; 3301 value |= BWN_DMA32_TXPARITY_DISABLE; 3302 value |= (addrext << BWN_DMA32_TXADDREXT_SHIFT) 3303 & BWN_DMA32_TXADDREXT_MASK; 3304 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, value); 3305 BWN_DMA_WRITE(dr, BWN_DMA32_TXRING, addrlo); 3306 } 3307 return; 3308 } 3309 3310 /* 3311 * set for RX 3312 */ 3313 dr->dr_usedslot = dr->dr_numslots; 3314 3315 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3316 value = (dr->dr_frameoffset << BWN_DMA64_RXFROFF_SHIFT); 3317 value |= BWN_DMA64_RXENABLE; 3318 value |= BWN_DMA64_RXPARITY_DISABLE; 3319 value |= (addrext << BWN_DMA64_RXADDREXT_SHIFT) 3320 & BWN_DMA64_RXADDREXT_MASK; 3321 BWN_DMA_WRITE(dr, BWN_DMA64_RXCTL, value); 3322 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGLO, addrlo); 3323 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGHI, addrhi); 3324 BWN_DMA_WRITE(dr, BWN_DMA64_RXINDEX, dr->dr_numslots * 3325 sizeof(struct bwn_dmadesc64)); 3326 } else { 3327 value = (dr->dr_frameoffset << BWN_DMA32_RXFROFF_SHIFT); 3328 value |= BWN_DMA32_RXENABLE; 3329 value |= BWN_DMA32_RXPARITY_DISABLE; 3330 value |= (addrext << BWN_DMA32_RXADDREXT_SHIFT) 3331 & BWN_DMA32_RXADDREXT_MASK; 3332 BWN_DMA_WRITE(dr, BWN_DMA32_RXCTL, value); 3333 BWN_DMA_WRITE(dr, BWN_DMA32_RXRING, addrlo); 3334 BWN_DMA_WRITE(dr, BWN_DMA32_RXINDEX, dr->dr_numslots * 3335 sizeof(struct bwn_dmadesc32)); 3336 } 3337 } 3338 3339 static void 3340 bwn_dma_free_ringmemory(struct bwn_dma_ring *dr) 3341 { 3342 3343 bus_dmamap_unload(dr->dr_ring_dtag, dr->dr_ring_dmap); 3344 bus_dmamem_free(dr->dr_ring_dtag, dr->dr_ring_descbase, 3345 dr->dr_ring_dmap); 3346 } 3347 3348 static void 3349 bwn_dma_cleanup(struct bwn_dma_ring *dr) 3350 { 3351 3352 if (dr->dr_tx) { 3353 bwn_dma_tx_reset(dr->dr_mac, dr->dr_base, dr->dr_type); 3354 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3355 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGLO, 0); 3356 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGHI, 0); 3357 } else 3358 BWN_DMA_WRITE(dr, BWN_DMA32_TXRING, 0); 3359 } else { 3360 bwn_dma_rx_reset(dr->dr_mac, dr->dr_base, dr->dr_type); 3361 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3362 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGLO, 0); 3363 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGHI, 0); 3364 } else 3365 BWN_DMA_WRITE(dr, BWN_DMA32_RXRING, 0); 3366 } 3367 } 3368 3369 static void 3370 bwn_dma_free_descbufs(struct bwn_dma_ring *dr) 3371 { 3372 struct bwn_dmadesc_generic *desc; 3373 struct bwn_dmadesc_meta *meta; 3374 struct bwn_mac *mac = dr->dr_mac; 3375 struct bwn_dma *dma = &mac->mac_method.dma; 3376 struct bwn_softc *sc = mac->mac_sc; 3377 int i; 3378 3379 if (!dr->dr_usedslot) 3380 return; 3381 for (i = 0; i < dr->dr_numslots; i++) { 3382 dr->getdesc(dr, i, &desc, &meta); 3383 3384 if (meta->mt_m == NULL) { 3385 if (!dr->dr_tx) 3386 device_printf(sc->sc_dev, "%s: not TX?\n", 3387 __func__); 3388 continue; 3389 } 3390 if (dr->dr_tx) { 3391 if (meta->mt_txtype == BWN_DMADESC_METATYPE_HEADER) 3392 bus_dmamap_unload(dr->dr_txring_dtag, 3393 meta->mt_dmap); 3394 else if (meta->mt_txtype == BWN_DMADESC_METATYPE_BODY) 3395 bus_dmamap_unload(dma->txbuf_dtag, 3396 meta->mt_dmap); 3397 } else 3398 bus_dmamap_unload(dma->rxbuf_dtag, meta->mt_dmap); 3399 bwn_dma_free_descbuf(dr, meta); 3400 } 3401 } 3402 3403 static int 3404 bwn_dma_tx_reset(struct bwn_mac *mac, uint16_t base, 3405 int type) 3406 { 3407 struct bwn_softc *sc = mac->mac_sc; 3408 uint32_t value; 3409 int i; 3410 uint16_t offset; 3411 3412 for (i = 0; i < 10; i++) { 3413 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXSTATUS : 3414 BWN_DMA32_TXSTATUS; 3415 value = BWN_READ_4(mac, base + offset); 3416 if (type == BHND_DMA_ADDR_64BIT) { 3417 value &= BWN_DMA64_TXSTAT; 3418 if (value == BWN_DMA64_TXSTAT_DISABLED || 3419 value == BWN_DMA64_TXSTAT_IDLEWAIT || 3420 value == BWN_DMA64_TXSTAT_STOPPED) 3421 break; 3422 } else { 3423 value &= BWN_DMA32_TXSTATE; 3424 if (value == BWN_DMA32_TXSTAT_DISABLED || 3425 value == BWN_DMA32_TXSTAT_IDLEWAIT || 3426 value == BWN_DMA32_TXSTAT_STOPPED) 3427 break; 3428 } 3429 DELAY(1000); 3430 } 3431 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXCTL : 3432 BWN_DMA32_TXCTL; 3433 BWN_WRITE_4(mac, base + offset, 0); 3434 for (i = 0; i < 10; i++) { 3435 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXSTATUS : 3436 BWN_DMA32_TXSTATUS; 3437 value = BWN_READ_4(mac, base + offset); 3438 if (type == BHND_DMA_ADDR_64BIT) { 3439 value &= BWN_DMA64_TXSTAT; 3440 if (value == BWN_DMA64_TXSTAT_DISABLED) { 3441 i = -1; 3442 break; 3443 } 3444 } else { 3445 value &= BWN_DMA32_TXSTATE; 3446 if (value == BWN_DMA32_TXSTAT_DISABLED) { 3447 i = -1; 3448 break; 3449 } 3450 } 3451 DELAY(1000); 3452 } 3453 if (i != -1) { 3454 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 3455 return (ENODEV); 3456 } 3457 DELAY(1000); 3458 3459 return (0); 3460 } 3461 3462 static int 3463 bwn_dma_rx_reset(struct bwn_mac *mac, uint16_t base, 3464 int type) 3465 { 3466 struct bwn_softc *sc = mac->mac_sc; 3467 uint32_t value; 3468 int i; 3469 uint16_t offset; 3470 3471 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_RXCTL : 3472 BWN_DMA32_RXCTL; 3473 BWN_WRITE_4(mac, base + offset, 0); 3474 for (i = 0; i < 10; i++) { 3475 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_RXSTATUS : 3476 BWN_DMA32_RXSTATUS; 3477 value = BWN_READ_4(mac, base + offset); 3478 if (type == BHND_DMA_ADDR_64BIT) { 3479 value &= BWN_DMA64_RXSTAT; 3480 if (value == BWN_DMA64_RXSTAT_DISABLED) { 3481 i = -1; 3482 break; 3483 } 3484 } else { 3485 value &= BWN_DMA32_RXSTATE; 3486 if (value == BWN_DMA32_RXSTAT_DISABLED) { 3487 i = -1; 3488 break; 3489 } 3490 } 3491 DELAY(1000); 3492 } 3493 if (i != -1) { 3494 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 3495 return (ENODEV); 3496 } 3497 3498 return (0); 3499 } 3500 3501 static void 3502 bwn_dma_free_descbuf(struct bwn_dma_ring *dr, 3503 struct bwn_dmadesc_meta *meta) 3504 { 3505 3506 if (meta->mt_m != NULL) { 3507 m_freem(meta->mt_m); 3508 meta->mt_m = NULL; 3509 } 3510 if (meta->mt_ni != NULL) { 3511 ieee80211_free_node(meta->mt_ni); 3512 meta->mt_ni = NULL; 3513 } 3514 } 3515 3516 static void 3517 bwn_dma_set_redzone(struct bwn_dma_ring *dr, struct mbuf *m) 3518 { 3519 struct bwn_rxhdr4 *rxhdr; 3520 unsigned char *frame; 3521 3522 rxhdr = mtod(m, struct bwn_rxhdr4 *); 3523 rxhdr->frame_len = 0; 3524 3525 KASSERT(dr->dr_rx_bufsize >= dr->dr_frameoffset + 3526 sizeof(struct bwn_plcp6) + 2, 3527 ("%s:%d: fail", __func__, __LINE__)); 3528 frame = mtod(m, char *) + dr->dr_frameoffset; 3529 memset(frame, 0xff, sizeof(struct bwn_plcp6) + 2 /* padding */); 3530 } 3531 3532 static uint8_t 3533 bwn_dma_check_redzone(struct bwn_dma_ring *dr, struct mbuf *m) 3534 { 3535 unsigned char *f = mtod(m, char *) + dr->dr_frameoffset; 3536 3537 return ((f[0] & f[1] & f[2] & f[3] & f[4] & f[5] & f[6] & f[7]) 3538 == 0xff); 3539 } 3540 3541 static void 3542 bwn_wme_init(struct bwn_mac *mac) 3543 { 3544 3545 bwn_wme_load(mac); 3546 3547 /* enable WME support. */ 3548 bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_EDCF); 3549 BWN_WRITE_2(mac, BWN_IFSCTL, BWN_READ_2(mac, BWN_IFSCTL) | 3550 BWN_IFSCTL_USE_EDCF); 3551 } 3552 3553 static void 3554 bwn_spu_setdelay(struct bwn_mac *mac, int idle) 3555 { 3556 struct bwn_softc *sc = mac->mac_sc; 3557 struct ieee80211com *ic = &sc->sc_ic; 3558 uint16_t delay; /* microsec */ 3559 3560 delay = (mac->mac_phy.type == BWN_PHYTYPE_A) ? 3700 : 1050; 3561 if (ic->ic_opmode == IEEE80211_M_IBSS || idle) 3562 delay = 500; 3563 if ((mac->mac_phy.rf_ver == 0x2050) && (mac->mac_phy.rf_rev == 8)) 3564 delay = max(delay, (uint16_t)2400); 3565 3566 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_SPU_WAKEUP, delay); 3567 } 3568 3569 static void 3570 bwn_bt_enable(struct bwn_mac *mac) 3571 { 3572 struct bwn_softc *sc = mac->mac_sc; 3573 uint64_t hf; 3574 3575 if (bwn_bluetooth == 0) 3576 return; 3577 if ((sc->sc_board_info.board_flags & BHND_BFL_BTCOEX) == 0) 3578 return; 3579 if (mac->mac_phy.type != BWN_PHYTYPE_B && !mac->mac_phy.gmode) 3580 return; 3581 3582 hf = bwn_hf_read(mac); 3583 if (sc->sc_board_info.board_flags & BHND_BFL_BTC2WIRE_ALTGPIO) 3584 hf |= BWN_HF_BT_COEXISTALT; 3585 else 3586 hf |= BWN_HF_BT_COEXIST; 3587 bwn_hf_write(mac, hf); 3588 } 3589 3590 static void 3591 bwn_set_macaddr(struct bwn_mac *mac) 3592 { 3593 3594 bwn_mac_write_bssid(mac); 3595 bwn_mac_setfilter(mac, BWN_MACFILTER_SELF, 3596 mac->mac_sc->sc_ic.ic_macaddr); 3597 } 3598 3599 static void 3600 bwn_clear_keys(struct bwn_mac *mac) 3601 { 3602 int i; 3603 3604 for (i = 0; i < mac->mac_max_nr_keys; i++) { 3605 KASSERT(i >= 0 && i < mac->mac_max_nr_keys, 3606 ("%s:%d: fail", __func__, __LINE__)); 3607 3608 bwn_key_dowrite(mac, i, BWN_SEC_ALGO_NONE, 3609 NULL, BWN_SEC_KEYSIZE, NULL); 3610 if ((i <= 3) && !BWN_SEC_NEWAPI(mac)) { 3611 bwn_key_dowrite(mac, i + 4, BWN_SEC_ALGO_NONE, 3612 NULL, BWN_SEC_KEYSIZE, NULL); 3613 } 3614 mac->mac_key[i].keyconf = NULL; 3615 } 3616 } 3617 3618 static void 3619 bwn_crypt_init(struct bwn_mac *mac) 3620 { 3621 struct bwn_softc *sc = mac->mac_sc; 3622 3623 mac->mac_max_nr_keys = (bhnd_get_hwrev(sc->sc_dev) >= 5) ? 58 : 20; 3624 KASSERT(mac->mac_max_nr_keys <= N(mac->mac_key), 3625 ("%s:%d: fail", __func__, __LINE__)); 3626 mac->mac_ktp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_KEY_TABLEP); 3627 mac->mac_ktp *= 2; 3628 if (bhnd_get_hwrev(sc->sc_dev) >= 5) 3629 BWN_WRITE_2(mac, BWN_RCMTA_COUNT, mac->mac_max_nr_keys - 8); 3630 bwn_clear_keys(mac); 3631 } 3632 3633 static void 3634 bwn_chip_exit(struct bwn_mac *mac) 3635 { 3636 bwn_phy_exit(mac); 3637 } 3638 3639 static int 3640 bwn_fw_fillinfo(struct bwn_mac *mac) 3641 { 3642 int error; 3643 3644 error = bwn_fw_gets(mac, BWN_FWTYPE_DEFAULT); 3645 if (error == 0) 3646 return (0); 3647 error = bwn_fw_gets(mac, BWN_FWTYPE_OPENSOURCE); 3648 if (error == 0) 3649 return (0); 3650 return (error); 3651 } 3652 3653 /** 3654 * Request that the GPIO controller tristate all pins set in @p mask, granting 3655 * the MAC core control over the pins. 3656 * 3657 * @param mac bwn MAC state. 3658 * @param pins If the bit position for a pin number is set to one, tristate the 3659 * pin. 3660 */ 3661 int 3662 bwn_gpio_control(struct bwn_mac *mac, uint32_t pins) 3663 { 3664 struct bwn_softc *sc; 3665 uint32_t flags[32]; 3666 int error; 3667 3668 sc = mac->mac_sc; 3669 3670 /* Determine desired pin flags */ 3671 for (size_t pin = 0; pin < nitems(flags); pin++) { 3672 uint32_t pinbit = (1 << pin); 3673 3674 if (pins & pinbit) { 3675 /* Tristate output */ 3676 flags[pin] = GPIO_PIN_OUTPUT|GPIO_PIN_TRISTATE; 3677 } else { 3678 /* Leave unmodified */ 3679 flags[pin] = 0; 3680 } 3681 } 3682 3683 /* Configure all pins */ 3684 error = GPIO_PIN_CONFIG_32(sc->sc_gpio, 0, nitems(flags), flags); 3685 if (error) { 3686 device_printf(sc->sc_dev, "error configuring %s pin flags: " 3687 "%d\n", device_get_nameunit(sc->sc_gpio), error); 3688 return (error); 3689 } 3690 3691 return (0); 3692 } 3693 3694 static int 3695 bwn_gpio_init(struct bwn_mac *mac) 3696 { 3697 struct bwn_softc *sc; 3698 uint32_t pins; 3699 3700 sc = mac->mac_sc; 3701 3702 pins = 0xF; 3703 3704 BWN_WRITE_4(mac, BWN_MACCTL, 3705 BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_GPOUT_MASK); 3706 BWN_WRITE_2(mac, BWN_GPIO_MASK, 3707 BWN_READ_2(mac, BWN_GPIO_MASK) | pins); 3708 3709 if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL) { 3710 /* MAC core is responsible for toggling PAREF via gpio9 */ 3711 BWN_WRITE_2(mac, BWN_GPIO_MASK, 3712 BWN_READ_2(mac, BWN_GPIO_MASK) | BHND_GPIO_BOARD_PACTRL); 3713 3714 pins |= BHND_GPIO_BOARD_PACTRL; 3715 } 3716 3717 return (bwn_gpio_control(mac, pins)); 3718 } 3719 3720 static int 3721 bwn_fw_loadinitvals(struct bwn_mac *mac) 3722 { 3723 #define GETFWOFFSET(fwp, offset) \ 3724 ((const struct bwn_fwinitvals *)((const char *)fwp.fw->data + offset)) 3725 const size_t hdr_len = sizeof(struct bwn_fwhdr); 3726 const struct bwn_fwhdr *hdr; 3727 struct bwn_fw *fw = &mac->mac_fw; 3728 int error; 3729 3730 hdr = (const struct bwn_fwhdr *)(fw->initvals.fw->data); 3731 error = bwn_fwinitvals_write(mac, GETFWOFFSET(fw->initvals, hdr_len), 3732 be32toh(hdr->size), fw->initvals.fw->datasize - hdr_len); 3733 if (error) 3734 return (error); 3735 if (fw->initvals_band.fw) { 3736 hdr = (const struct bwn_fwhdr *)(fw->initvals_band.fw->data); 3737 error = bwn_fwinitvals_write(mac, 3738 GETFWOFFSET(fw->initvals_band, hdr_len), 3739 be32toh(hdr->size), 3740 fw->initvals_band.fw->datasize - hdr_len); 3741 } 3742 return (error); 3743 #undef GETFWOFFSET 3744 } 3745 3746 static int 3747 bwn_phy_init(struct bwn_mac *mac) 3748 { 3749 struct bwn_softc *sc = mac->mac_sc; 3750 int error; 3751 3752 mac->mac_phy.chan = mac->mac_phy.get_default_chan(mac); 3753 mac->mac_phy.rf_onoff(mac, 1); 3754 error = mac->mac_phy.init(mac); 3755 if (error) { 3756 device_printf(sc->sc_dev, "PHY init failed\n"); 3757 goto fail0; 3758 } 3759 error = bwn_switch_channel(mac, 3760 mac->mac_phy.get_default_chan(mac)); 3761 if (error) { 3762 device_printf(sc->sc_dev, 3763 "failed to switch default channel\n"); 3764 goto fail1; 3765 } 3766 return (0); 3767 fail1: 3768 if (mac->mac_phy.exit) 3769 mac->mac_phy.exit(mac); 3770 fail0: 3771 mac->mac_phy.rf_onoff(mac, 0); 3772 3773 return (error); 3774 } 3775 3776 static void 3777 bwn_set_txantenna(struct bwn_mac *mac, int antenna) 3778 { 3779 uint16_t ant; 3780 uint16_t tmp; 3781 3782 ant = bwn_ant2phy(antenna); 3783 3784 /* For ACK/CTS */ 3785 tmp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL); 3786 tmp = (tmp & ~BWN_TX_PHY_ANT) | ant; 3787 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL, tmp); 3788 /* For Probe Resposes */ 3789 tmp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL); 3790 tmp = (tmp & ~BWN_TX_PHY_ANT) | ant; 3791 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL, tmp); 3792 } 3793 3794 static void 3795 bwn_set_opmode(struct bwn_mac *mac) 3796 { 3797 struct bwn_softc *sc = mac->mac_sc; 3798 struct ieee80211com *ic = &sc->sc_ic; 3799 uint32_t ctl; 3800 uint16_t cfp_pretbtt; 3801 3802 ctl = BWN_READ_4(mac, BWN_MACCTL); 3803 ctl &= ~(BWN_MACCTL_HOSTAP | BWN_MACCTL_PASS_CTL | 3804 BWN_MACCTL_PASS_BADPLCP | BWN_MACCTL_PASS_BADFCS | 3805 BWN_MACCTL_PROMISC | BWN_MACCTL_BEACON_PROMISC); 3806 ctl |= BWN_MACCTL_STA; 3807 3808 if (ic->ic_opmode == IEEE80211_M_HOSTAP || 3809 ic->ic_opmode == IEEE80211_M_MBSS) 3810 ctl |= BWN_MACCTL_HOSTAP; 3811 else if (ic->ic_opmode == IEEE80211_M_IBSS) 3812 ctl &= ~BWN_MACCTL_STA; 3813 ctl |= sc->sc_filters; 3814 3815 if (bhnd_get_hwrev(sc->sc_dev) <= 4) 3816 ctl |= BWN_MACCTL_PROMISC; 3817 3818 BWN_WRITE_4(mac, BWN_MACCTL, ctl); 3819 3820 cfp_pretbtt = 2; 3821 if ((ctl & BWN_MACCTL_STA) && !(ctl & BWN_MACCTL_HOSTAP)) { 3822 if (sc->sc_cid.chip_id == BHND_CHIPID_BCM4306 && 3823 sc->sc_cid.chip_rev == 3) 3824 cfp_pretbtt = 100; 3825 else 3826 cfp_pretbtt = 50; 3827 } 3828 BWN_WRITE_2(mac, 0x612, cfp_pretbtt); 3829 } 3830 3831 static void 3832 bwn_dma_ring_addr(void *arg, bus_dma_segment_t *seg, int nseg, int error) 3833 { 3834 if (!error) { 3835 KASSERT(nseg == 1, ("too many segments(%d)\n", nseg)); 3836 *((bus_addr_t *)arg) = seg->ds_addr; 3837 } 3838 } 3839 3840 void 3841 bwn_dummy_transmission(struct bwn_mac *mac, int ofdm, int paon) 3842 { 3843 struct bwn_phy *phy = &mac->mac_phy; 3844 struct bwn_softc *sc = mac->mac_sc; 3845 unsigned int i, max_loop; 3846 uint16_t value; 3847 uint32_t buffer[5] = { 3848 0x00000000, 0x00d40000, 0x00000000, 0x01000000, 0x00000000 3849 }; 3850 3851 if (ofdm) { 3852 max_loop = 0x1e; 3853 buffer[0] = 0x000201cc; 3854 } else { 3855 max_loop = 0xfa; 3856 buffer[0] = 0x000b846e; 3857 } 3858 3859 BWN_ASSERT_LOCKED(mac->mac_sc); 3860 3861 for (i = 0; i < 5; i++) 3862 bwn_ram_write(mac, i * 4, buffer[i]); 3863 3864 BWN_WRITE_2(mac, 0x0568, 0x0000); 3865 BWN_WRITE_2(mac, 0x07c0, 3866 (bhnd_get_hwrev(sc->sc_dev) < 11) ? 0x0000 : 0x0100); 3867 3868 value = (ofdm ? 0x41 : 0x40); 3869 BWN_WRITE_2(mac, 0x050c, value); 3870 3871 if (phy->type == BWN_PHYTYPE_N || phy->type == BWN_PHYTYPE_LP || 3872 phy->type == BWN_PHYTYPE_LCN) 3873 BWN_WRITE_2(mac, 0x0514, 0x1a02); 3874 BWN_WRITE_2(mac, 0x0508, 0x0000); 3875 BWN_WRITE_2(mac, 0x050a, 0x0000); 3876 BWN_WRITE_2(mac, 0x054c, 0x0000); 3877 BWN_WRITE_2(mac, 0x056a, 0x0014); 3878 BWN_WRITE_2(mac, 0x0568, 0x0826); 3879 BWN_WRITE_2(mac, 0x0500, 0x0000); 3880 3881 /* XXX TODO: n phy pa override? */ 3882 3883 switch (phy->type) { 3884 case BWN_PHYTYPE_N: 3885 case BWN_PHYTYPE_LCN: 3886 BWN_WRITE_2(mac, 0x0502, 0x00d0); 3887 break; 3888 case BWN_PHYTYPE_LP: 3889 BWN_WRITE_2(mac, 0x0502, 0x0050); 3890 break; 3891 default: 3892 BWN_WRITE_2(mac, 0x0502, 0x0030); 3893 break; 3894 } 3895 3896 /* flush */ 3897 BWN_READ_2(mac, 0x0502); 3898 3899 if (phy->rf_ver == 0x2050 && phy->rf_rev <= 0x5) 3900 BWN_RF_WRITE(mac, 0x0051, 0x0017); 3901 for (i = 0x00; i < max_loop; i++) { 3902 value = BWN_READ_2(mac, 0x050e); 3903 if (value & 0x0080) 3904 break; 3905 DELAY(10); 3906 } 3907 for (i = 0x00; i < 0x0a; i++) { 3908 value = BWN_READ_2(mac, 0x050e); 3909 if (value & 0x0400) 3910 break; 3911 DELAY(10); 3912 } 3913 for (i = 0x00; i < 0x19; i++) { 3914 value = BWN_READ_2(mac, 0x0690); 3915 if (!(value & 0x0100)) 3916 break; 3917 DELAY(10); 3918 } 3919 if (phy->rf_ver == 0x2050 && phy->rf_rev <= 0x5) 3920 BWN_RF_WRITE(mac, 0x0051, 0x0037); 3921 } 3922 3923 void 3924 bwn_ram_write(struct bwn_mac *mac, uint16_t offset, uint32_t val) 3925 { 3926 uint32_t macctl; 3927 3928 KASSERT(offset % 4 == 0, ("%s:%d: fail", __func__, __LINE__)); 3929 3930 macctl = BWN_READ_4(mac, BWN_MACCTL); 3931 if (macctl & BWN_MACCTL_BIGENDIAN) 3932 printf("TODO: need swap\n"); 3933 3934 BWN_WRITE_4(mac, BWN_RAM_CONTROL, offset); 3935 BWN_BARRIER(mac, BWN_RAM_CONTROL, 4, BUS_SPACE_BARRIER_WRITE); 3936 BWN_WRITE_4(mac, BWN_RAM_DATA, val); 3937 } 3938 3939 void 3940 bwn_mac_suspend(struct bwn_mac *mac) 3941 { 3942 struct bwn_softc *sc = mac->mac_sc; 3943 int i; 3944 uint32_t tmp; 3945 3946 KASSERT(mac->mac_suspended >= 0, 3947 ("%s:%d: fail", __func__, __LINE__)); 3948 3949 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: suspended=%d\n", 3950 __func__, mac->mac_suspended); 3951 3952 if (mac->mac_suspended == 0) { 3953 bwn_psctl(mac, BWN_PS_AWAKE); 3954 BWN_WRITE_4(mac, BWN_MACCTL, 3955 BWN_READ_4(mac, BWN_MACCTL) 3956 & ~BWN_MACCTL_ON); 3957 BWN_READ_4(mac, BWN_MACCTL); 3958 for (i = 35; i; i--) { 3959 tmp = BWN_READ_4(mac, BWN_INTR_REASON); 3960 if (tmp & BWN_INTR_MAC_SUSPENDED) 3961 goto out; 3962 DELAY(10); 3963 } 3964 for (i = 40; i; i--) { 3965 tmp = BWN_READ_4(mac, BWN_INTR_REASON); 3966 if (tmp & BWN_INTR_MAC_SUSPENDED) 3967 goto out; 3968 DELAY(1000); 3969 } 3970 device_printf(sc->sc_dev, "MAC suspend failed\n"); 3971 } 3972 out: 3973 mac->mac_suspended++; 3974 } 3975 3976 void 3977 bwn_mac_enable(struct bwn_mac *mac) 3978 { 3979 struct bwn_softc *sc = mac->mac_sc; 3980 uint16_t state; 3981 3982 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: suspended=%d\n", 3983 __func__, mac->mac_suspended); 3984 3985 state = bwn_shm_read_2(mac, BWN_SHARED, 3986 BWN_SHARED_UCODESTAT); 3987 if (state != BWN_SHARED_UCODESTAT_SUSPEND && 3988 state != BWN_SHARED_UCODESTAT_SLEEP) { 3989 DPRINTF(sc, BWN_DEBUG_FW, 3990 "%s: warn: firmware state (%d)\n", 3991 __func__, state); 3992 } 3993 3994 mac->mac_suspended--; 3995 KASSERT(mac->mac_suspended >= 0, 3996 ("%s:%d: fail", __func__, __LINE__)); 3997 if (mac->mac_suspended == 0) { 3998 BWN_WRITE_4(mac, BWN_MACCTL, 3999 BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_ON); 4000 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_MAC_SUSPENDED); 4001 BWN_READ_4(mac, BWN_MACCTL); 4002 BWN_READ_4(mac, BWN_INTR_REASON); 4003 bwn_psctl(mac, 0); 4004 } 4005 } 4006 4007 void 4008 bwn_psctl(struct bwn_mac *mac, uint32_t flags) 4009 { 4010 struct bwn_softc *sc = mac->mac_sc; 4011 int i; 4012 uint16_t ucstat; 4013 4014 KASSERT(!((flags & BWN_PS_ON) && (flags & BWN_PS_OFF)), 4015 ("%s:%d: fail", __func__, __LINE__)); 4016 KASSERT(!((flags & BWN_PS_AWAKE) && (flags & BWN_PS_ASLEEP)), 4017 ("%s:%d: fail", __func__, __LINE__)); 4018 4019 /* XXX forcibly awake and hwps-off */ 4020 4021 BWN_WRITE_4(mac, BWN_MACCTL, 4022 (BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_AWAKE) & 4023 ~BWN_MACCTL_HWPS); 4024 BWN_READ_4(mac, BWN_MACCTL); 4025 if (bhnd_get_hwrev(sc->sc_dev) >= 5) { 4026 for (i = 0; i < 100; i++) { 4027 ucstat = bwn_shm_read_2(mac, BWN_SHARED, 4028 BWN_SHARED_UCODESTAT); 4029 if (ucstat != BWN_SHARED_UCODESTAT_SLEEP) 4030 break; 4031 DELAY(10); 4032 } 4033 } 4034 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: ucstat=%d\n", __func__, 4035 ucstat); 4036 } 4037 4038 static int 4039 bwn_fw_gets(struct bwn_mac *mac, enum bwn_fwtype type) 4040 { 4041 struct bwn_softc *sc = mac->mac_sc; 4042 struct bwn_fw *fw = &mac->mac_fw; 4043 const uint8_t rev = bhnd_get_hwrev(sc->sc_dev); 4044 const char *filename; 4045 uint16_t iost; 4046 int error; 4047 4048 /* microcode */ 4049 filename = NULL; 4050 switch (rev) { 4051 case 42: 4052 if (mac->mac_phy.type == BWN_PHYTYPE_AC) 4053 filename = "ucode42"; 4054 break; 4055 case 40: 4056 if (mac->mac_phy.type == BWN_PHYTYPE_AC) 4057 filename = "ucode40"; 4058 break; 4059 case 33: 4060 if (mac->mac_phy.type == BWN_PHYTYPE_LCN40) 4061 filename = "ucode33_lcn40"; 4062 break; 4063 case 30: 4064 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4065 filename = "ucode30_mimo"; 4066 break; 4067 case 29: 4068 if (mac->mac_phy.type == BWN_PHYTYPE_HT) 4069 filename = "ucode29_mimo"; 4070 break; 4071 case 26: 4072 if (mac->mac_phy.type == BWN_PHYTYPE_HT) 4073 filename = "ucode26_mimo"; 4074 break; 4075 case 28: 4076 case 25: 4077 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4078 filename = "ucode25_mimo"; 4079 else if (mac->mac_phy.type == BWN_PHYTYPE_LCN) 4080 filename = "ucode25_lcn"; 4081 break; 4082 case 24: 4083 if (mac->mac_phy.type == BWN_PHYTYPE_LCN) 4084 filename = "ucode24_lcn"; 4085 break; 4086 case 23: 4087 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4088 filename = "ucode16_mimo"; 4089 break; 4090 case 16: 4091 case 17: 4092 case 18: 4093 case 19: 4094 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4095 filename = "ucode16_mimo"; 4096 else if (mac->mac_phy.type == BWN_PHYTYPE_LP) 4097 filename = "ucode16_lp"; 4098 break; 4099 case 15: 4100 filename = "ucode15"; 4101 break; 4102 case 14: 4103 filename = "ucode14"; 4104 break; 4105 case 13: 4106 filename = "ucode13"; 4107 break; 4108 case 12: 4109 case 11: 4110 filename = "ucode11"; 4111 break; 4112 case 10: 4113 case 9: 4114 case 8: 4115 case 7: 4116 case 6: 4117 case 5: 4118 filename = "ucode5"; 4119 break; 4120 default: 4121 device_printf(sc->sc_dev, "no ucode for rev %d\n", rev); 4122 bwn_release_firmware(mac); 4123 return (EOPNOTSUPP); 4124 } 4125 4126 device_printf(sc->sc_dev, "ucode fw: %s\n", filename); 4127 error = bwn_fw_get(mac, type, filename, &fw->ucode); 4128 if (error) { 4129 bwn_release_firmware(mac); 4130 return (error); 4131 } 4132 4133 /* PCM */ 4134 KASSERT(fw->no_pcmfile == 0, ("%s:%d fail", __func__, __LINE__)); 4135 if (rev >= 5 && rev <= 10) { 4136 error = bwn_fw_get(mac, type, "pcm5", &fw->pcm); 4137 if (error == ENOENT) 4138 fw->no_pcmfile = 1; 4139 else if (error) { 4140 bwn_release_firmware(mac); 4141 return (error); 4142 } 4143 } else if (rev < 11) { 4144 device_printf(sc->sc_dev, "no PCM for rev %d\n", rev); 4145 bwn_release_firmware(mac); 4146 return (EOPNOTSUPP); 4147 } 4148 4149 /* initvals */ 4150 error = bhnd_read_iost(sc->sc_dev, &iost); 4151 if (error) 4152 goto fail1; 4153 4154 switch (mac->mac_phy.type) { 4155 case BWN_PHYTYPE_A: 4156 if (rev < 5 || rev > 10) 4157 goto fail1; 4158 if (iost & BWN_IOST_HAVE_2GHZ) 4159 filename = "a0g1initvals5"; 4160 else 4161 filename = "a0g0initvals5"; 4162 break; 4163 case BWN_PHYTYPE_G: 4164 if (rev >= 5 && rev <= 10) 4165 filename = "b0g0initvals5"; 4166 else if (rev >= 13) 4167 filename = "b0g0initvals13"; 4168 else 4169 goto fail1; 4170 break; 4171 case BWN_PHYTYPE_LP: 4172 if (rev == 13) 4173 filename = "lp0initvals13"; 4174 else if (rev == 14) 4175 filename = "lp0initvals14"; 4176 else if (rev >= 15) 4177 filename = "lp0initvals15"; 4178 else 4179 goto fail1; 4180 break; 4181 case BWN_PHYTYPE_N: 4182 if (rev == 30) 4183 filename = "n16initvals30"; 4184 else if (rev == 28 || rev == 25) 4185 filename = "n0initvals25"; 4186 else if (rev == 24) 4187 filename = "n0initvals24"; 4188 else if (rev == 23) 4189 filename = "n0initvals16"; 4190 else if (rev >= 16 && rev <= 18) 4191 filename = "n0initvals16"; 4192 else if (rev >= 11 && rev <= 12) 4193 filename = "n0initvals11"; 4194 else 4195 goto fail1; 4196 break; 4197 default: 4198 goto fail1; 4199 } 4200 error = bwn_fw_get(mac, type, filename, &fw->initvals); 4201 if (error) { 4202 bwn_release_firmware(mac); 4203 return (error); 4204 } 4205 4206 /* bandswitch initvals */ 4207 switch (mac->mac_phy.type) { 4208 case BWN_PHYTYPE_A: 4209 if (rev >= 5 && rev <= 10) { 4210 if (iost & BWN_IOST_HAVE_2GHZ) 4211 filename = "a0g1bsinitvals5"; 4212 else 4213 filename = "a0g0bsinitvals5"; 4214 } else if (rev >= 11) 4215 filename = NULL; 4216 else 4217 goto fail1; 4218 break; 4219 case BWN_PHYTYPE_G: 4220 if (rev >= 5 && rev <= 10) 4221 filename = "b0g0bsinitvals5"; 4222 else if (rev >= 11) 4223 filename = NULL; 4224 else 4225 goto fail1; 4226 break; 4227 case BWN_PHYTYPE_LP: 4228 if (rev == 13) 4229 filename = "lp0bsinitvals13"; 4230 else if (rev == 14) 4231 filename = "lp0bsinitvals14"; 4232 else if (rev >= 15) 4233 filename = "lp0bsinitvals15"; 4234 else 4235 goto fail1; 4236 break; 4237 case BWN_PHYTYPE_N: 4238 if (rev == 30) 4239 filename = "n16bsinitvals30"; 4240 else if (rev == 28 || rev == 25) 4241 filename = "n0bsinitvals25"; 4242 else if (rev == 24) 4243 filename = "n0bsinitvals24"; 4244 else if (rev == 23) 4245 filename = "n0bsinitvals16"; 4246 else if (rev >= 16 && rev <= 18) 4247 filename = "n0bsinitvals16"; 4248 else if (rev >= 11 && rev <= 12) 4249 filename = "n0bsinitvals11"; 4250 else 4251 goto fail1; 4252 break; 4253 default: 4254 device_printf(sc->sc_dev, "unknown phy (%d)\n", 4255 mac->mac_phy.type); 4256 goto fail1; 4257 } 4258 error = bwn_fw_get(mac, type, filename, &fw->initvals_band); 4259 if (error) { 4260 bwn_release_firmware(mac); 4261 return (error); 4262 } 4263 return (0); 4264 fail1: 4265 device_printf(sc->sc_dev, "no INITVALS for rev %d, phy.type %d\n", 4266 rev, mac->mac_phy.type); 4267 bwn_release_firmware(mac); 4268 return (EOPNOTSUPP); 4269 } 4270 4271 static int 4272 bwn_fw_get(struct bwn_mac *mac, enum bwn_fwtype type, 4273 const char *name, struct bwn_fwfile *bfw) 4274 { 4275 const struct bwn_fwhdr *hdr; 4276 struct bwn_softc *sc = mac->mac_sc; 4277 const struct firmware *fw; 4278 char namebuf[64]; 4279 4280 if (name == NULL) { 4281 bwn_do_release_fw(bfw); 4282 return (0); 4283 } 4284 if (bfw->filename != NULL) { 4285 if (bfw->type == type && (strcmp(bfw->filename, name) == 0)) 4286 return (0); 4287 bwn_do_release_fw(bfw); 4288 } 4289 4290 snprintf(namebuf, sizeof(namebuf), "bwn%s_v4_%s%s", 4291 (type == BWN_FWTYPE_OPENSOURCE) ? "-open" : "", 4292 (mac->mac_phy.type == BWN_PHYTYPE_LP) ? "lp_" : "", name); 4293 /* XXX Sleeping on "fwload" with the non-sleepable locks held */ 4294 fw = firmware_get(namebuf); 4295 if (fw == NULL) { 4296 device_printf(sc->sc_dev, "the fw file(%s) not found\n", 4297 namebuf); 4298 return (ENOENT); 4299 } 4300 if (fw->datasize < sizeof(struct bwn_fwhdr)) 4301 goto fail; 4302 hdr = (const struct bwn_fwhdr *)(fw->data); 4303 switch (hdr->type) { 4304 case BWN_FWTYPE_UCODE: 4305 case BWN_FWTYPE_PCM: 4306 if (be32toh(hdr->size) != 4307 (fw->datasize - sizeof(struct bwn_fwhdr))) 4308 goto fail; 4309 /* FALLTHROUGH */ 4310 case BWN_FWTYPE_IV: 4311 if (hdr->ver != 1) 4312 goto fail; 4313 break; 4314 default: 4315 goto fail; 4316 } 4317 bfw->filename = name; 4318 bfw->fw = fw; 4319 bfw->type = type; 4320 return (0); 4321 fail: 4322 device_printf(sc->sc_dev, "the fw file(%s) format error\n", namebuf); 4323 if (fw != NULL) 4324 firmware_put(fw, FIRMWARE_UNLOAD); 4325 return (EPROTO); 4326 } 4327 4328 static void 4329 bwn_release_firmware(struct bwn_mac *mac) 4330 { 4331 4332 bwn_do_release_fw(&mac->mac_fw.ucode); 4333 bwn_do_release_fw(&mac->mac_fw.pcm); 4334 bwn_do_release_fw(&mac->mac_fw.initvals); 4335 bwn_do_release_fw(&mac->mac_fw.initvals_band); 4336 } 4337 4338 static void 4339 bwn_do_release_fw(struct bwn_fwfile *bfw) 4340 { 4341 4342 if (bfw->fw != NULL) 4343 firmware_put(bfw->fw, FIRMWARE_UNLOAD); 4344 bfw->fw = NULL; 4345 bfw->filename = NULL; 4346 } 4347 4348 static int 4349 bwn_fw_loaducode(struct bwn_mac *mac) 4350 { 4351 #define GETFWOFFSET(fwp, offset) \ 4352 ((const uint32_t *)((const char *)fwp.fw->data + offset)) 4353 #define GETFWSIZE(fwp, offset) \ 4354 ((fwp.fw->datasize - offset) / sizeof(uint32_t)) 4355 struct bwn_softc *sc = mac->mac_sc; 4356 const uint32_t *data; 4357 unsigned int i; 4358 uint32_t ctl; 4359 uint16_t date, fwcaps, time; 4360 int error = 0; 4361 4362 ctl = BWN_READ_4(mac, BWN_MACCTL); 4363 ctl |= BWN_MACCTL_MCODE_JMP0; 4364 KASSERT(!(ctl & BWN_MACCTL_MCODE_RUN), ("%s:%d: fail", __func__, 4365 __LINE__)); 4366 BWN_WRITE_4(mac, BWN_MACCTL, ctl); 4367 for (i = 0; i < 64; i++) 4368 bwn_shm_write_2(mac, BWN_SCRATCH, i, 0); 4369 for (i = 0; i < 4096; i += 2) 4370 bwn_shm_write_2(mac, BWN_SHARED, i, 0); 4371 4372 data = GETFWOFFSET(mac->mac_fw.ucode, sizeof(struct bwn_fwhdr)); 4373 bwn_shm_ctlword(mac, BWN_UCODE | BWN_SHARED_AUTOINC, 0x0000); 4374 for (i = 0; i < GETFWSIZE(mac->mac_fw.ucode, sizeof(struct bwn_fwhdr)); 4375 i++) { 4376 BWN_WRITE_4(mac, BWN_SHM_DATA, be32toh(data[i])); 4377 DELAY(10); 4378 } 4379 4380 if (mac->mac_fw.pcm.fw) { 4381 data = GETFWOFFSET(mac->mac_fw.pcm, sizeof(struct bwn_fwhdr)); 4382 bwn_shm_ctlword(mac, BWN_HW, 0x01ea); 4383 BWN_WRITE_4(mac, BWN_SHM_DATA, 0x00004000); 4384 bwn_shm_ctlword(mac, BWN_HW, 0x01eb); 4385 for (i = 0; i < GETFWSIZE(mac->mac_fw.pcm, 4386 sizeof(struct bwn_fwhdr)); i++) { 4387 BWN_WRITE_4(mac, BWN_SHM_DATA, be32toh(data[i])); 4388 DELAY(10); 4389 } 4390 } 4391 4392 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_ALL); 4393 BWN_WRITE_4(mac, BWN_MACCTL, 4394 (BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_MCODE_JMP0) | 4395 BWN_MACCTL_MCODE_RUN); 4396 4397 for (i = 0; i < 21; i++) { 4398 if (BWN_READ_4(mac, BWN_INTR_REASON) == BWN_INTR_MAC_SUSPENDED) 4399 break; 4400 if (i >= 20) { 4401 device_printf(sc->sc_dev, "ucode timeout\n"); 4402 error = ENXIO; 4403 goto error; 4404 } 4405 DELAY(50000); 4406 } 4407 BWN_READ_4(mac, BWN_INTR_REASON); 4408 4409 mac->mac_fw.rev = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_REV); 4410 if (mac->mac_fw.rev <= 0x128) { 4411 device_printf(sc->sc_dev, "the firmware is too old\n"); 4412 error = EOPNOTSUPP; 4413 goto error; 4414 } 4415 4416 /* 4417 * Determine firmware header version; needed for TX/RX packet 4418 * handling. 4419 */ 4420 if (mac->mac_fw.rev >= 598) 4421 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_598; 4422 else if (mac->mac_fw.rev >= 410) 4423 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_410; 4424 else 4425 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_351; 4426 4427 /* 4428 * We don't support rev 598 or later; that requires 4429 * another round of changes to the TX/RX descriptor 4430 * and status layout. 4431 * 4432 * So, complain this is the case and exit out, rather 4433 * than attaching and then failing. 4434 */ 4435 #if 0 4436 if (mac->mac_fw.fw_hdr_format == BWN_FW_HDR_598) { 4437 device_printf(sc->sc_dev, 4438 "firmware is too new (>=598); not supported\n"); 4439 error = EOPNOTSUPP; 4440 goto error; 4441 } 4442 #endif 4443 4444 mac->mac_fw.patch = bwn_shm_read_2(mac, BWN_SHARED, 4445 BWN_SHARED_UCODE_PATCH); 4446 date = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_DATE); 4447 mac->mac_fw.opensource = (date == 0xffff); 4448 if (bwn_wme != 0) 4449 mac->mac_flags |= BWN_MAC_FLAG_WME; 4450 mac->mac_flags |= BWN_MAC_FLAG_HWCRYPTO; 4451 4452 time = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_TIME); 4453 if (mac->mac_fw.opensource == 0) { 4454 device_printf(sc->sc_dev, 4455 "firmware version (rev %u patch %u date %#x time %#x)\n", 4456 mac->mac_fw.rev, mac->mac_fw.patch, date, time); 4457 if (mac->mac_fw.no_pcmfile) 4458 device_printf(sc->sc_dev, 4459 "no HW crypto acceleration due to pcm5\n"); 4460 } else { 4461 mac->mac_fw.patch = time; 4462 fwcaps = bwn_fwcaps_read(mac); 4463 if (!(fwcaps & BWN_FWCAPS_HWCRYPTO) || mac->mac_fw.no_pcmfile) { 4464 device_printf(sc->sc_dev, 4465 "disabling HW crypto acceleration\n"); 4466 mac->mac_flags &= ~BWN_MAC_FLAG_HWCRYPTO; 4467 } 4468 if (!(fwcaps & BWN_FWCAPS_WME)) { 4469 device_printf(sc->sc_dev, "disabling WME support\n"); 4470 mac->mac_flags &= ~BWN_MAC_FLAG_WME; 4471 } 4472 } 4473 4474 if (BWN_ISOLDFMT(mac)) 4475 device_printf(sc->sc_dev, "using old firmware image\n"); 4476 4477 return (0); 4478 4479 error: 4480 BWN_WRITE_4(mac, BWN_MACCTL, 4481 (BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_MCODE_RUN) | 4482 BWN_MACCTL_MCODE_JMP0); 4483 4484 return (error); 4485 #undef GETFWSIZE 4486 #undef GETFWOFFSET 4487 } 4488 4489 /* OpenFirmware only */ 4490 static uint16_t 4491 bwn_fwcaps_read(struct bwn_mac *mac) 4492 { 4493 4494 KASSERT(mac->mac_fw.opensource == 1, 4495 ("%s:%d: fail", __func__, __LINE__)); 4496 return (bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_FWCAPS)); 4497 } 4498 4499 static int 4500 bwn_fwinitvals_write(struct bwn_mac *mac, const struct bwn_fwinitvals *ivals, 4501 size_t count, size_t array_size) 4502 { 4503 #define GET_NEXTIV16(iv) \ 4504 ((const struct bwn_fwinitvals *)((const uint8_t *)(iv) + \ 4505 sizeof(uint16_t) + sizeof(uint16_t))) 4506 #define GET_NEXTIV32(iv) \ 4507 ((const struct bwn_fwinitvals *)((const uint8_t *)(iv) + \ 4508 sizeof(uint16_t) + sizeof(uint32_t))) 4509 struct bwn_softc *sc = mac->mac_sc; 4510 const struct bwn_fwinitvals *iv; 4511 uint16_t offset; 4512 size_t i; 4513 uint8_t bit32; 4514 4515 KASSERT(sizeof(struct bwn_fwinitvals) == 6, 4516 ("%s:%d: fail", __func__, __LINE__)); 4517 iv = ivals; 4518 for (i = 0; i < count; i++) { 4519 if (array_size < sizeof(iv->offset_size)) 4520 goto fail; 4521 array_size -= sizeof(iv->offset_size); 4522 offset = be16toh(iv->offset_size); 4523 bit32 = (offset & BWN_FWINITVALS_32BIT) ? 1 : 0; 4524 offset &= BWN_FWINITVALS_OFFSET_MASK; 4525 if (offset >= 0x1000) 4526 goto fail; 4527 if (bit32) { 4528 if (array_size < sizeof(iv->data.d32)) 4529 goto fail; 4530 array_size -= sizeof(iv->data.d32); 4531 BWN_WRITE_4(mac, offset, be32toh(iv->data.d32)); 4532 iv = GET_NEXTIV32(iv); 4533 } else { 4534 if (array_size < sizeof(iv->data.d16)) 4535 goto fail; 4536 array_size -= sizeof(iv->data.d16); 4537 BWN_WRITE_2(mac, offset, be16toh(iv->data.d16)); 4538 4539 iv = GET_NEXTIV16(iv); 4540 } 4541 } 4542 if (array_size != 0) 4543 goto fail; 4544 return (0); 4545 fail: 4546 device_printf(sc->sc_dev, "initvals: invalid format\n"); 4547 return (EPROTO); 4548 #undef GET_NEXTIV16 4549 #undef GET_NEXTIV32 4550 } 4551 4552 int 4553 bwn_switch_channel(struct bwn_mac *mac, int chan) 4554 { 4555 struct bwn_phy *phy = &(mac->mac_phy); 4556 struct bwn_softc *sc = mac->mac_sc; 4557 struct ieee80211com *ic = &sc->sc_ic; 4558 uint16_t channelcookie, savedcookie; 4559 int error; 4560 4561 if (chan == 0xffff) 4562 chan = phy->get_default_chan(mac); 4563 4564 channelcookie = chan; 4565 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 4566 channelcookie |= 0x100; 4567 savedcookie = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_CHAN); 4568 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_CHAN, channelcookie); 4569 error = phy->switch_channel(mac, chan); 4570 if (error) 4571 goto fail; 4572 4573 mac->mac_phy.chan = chan; 4574 DELAY(8000); 4575 return (0); 4576 fail: 4577 device_printf(sc->sc_dev, "failed to switch channel\n"); 4578 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_CHAN, savedcookie); 4579 return (error); 4580 } 4581 4582 static uint16_t 4583 bwn_ant2phy(int antenna) 4584 { 4585 4586 switch (antenna) { 4587 case BWN_ANT0: 4588 return (BWN_TX_PHY_ANT0); 4589 case BWN_ANT1: 4590 return (BWN_TX_PHY_ANT1); 4591 case BWN_ANT2: 4592 return (BWN_TX_PHY_ANT2); 4593 case BWN_ANT3: 4594 return (BWN_TX_PHY_ANT3); 4595 case BWN_ANTAUTO: 4596 return (BWN_TX_PHY_ANT01AUTO); 4597 } 4598 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 4599 return (0); 4600 } 4601 4602 static void 4603 bwn_wme_load(struct bwn_mac *mac) 4604 { 4605 struct bwn_softc *sc = mac->mac_sc; 4606 int i; 4607 4608 KASSERT(N(bwn_wme_shm_offsets) == N(sc->sc_wmeParams), 4609 ("%s:%d: fail", __func__, __LINE__)); 4610 4611 bwn_mac_suspend(mac); 4612 for (i = 0; i < N(sc->sc_wmeParams); i++) 4613 bwn_wme_loadparams(mac, &(sc->sc_wmeParams[i]), 4614 bwn_wme_shm_offsets[i]); 4615 bwn_mac_enable(mac); 4616 } 4617 4618 static void 4619 bwn_wme_loadparams(struct bwn_mac *mac, 4620 const struct wmeParams *p, uint16_t shm_offset) 4621 { 4622 struct bwn_softc *sc = mac->mac_sc; 4623 uint16_t params[BWN_NR_WMEPARAMS]; 4624 int slot, tmp; 4625 unsigned int i; 4626 4627 slot = BWN_READ_2(mac, BWN_RNG) & 4628 _IEEE80211_SHIFTMASK(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4629 4630 memset(¶ms, 0, sizeof(params)); 4631 4632 DPRINTF(sc, BWN_DEBUG_WME, "wmep_txopLimit %d wmep_logcwmin %d " 4633 "wmep_logcwmax %d wmep_aifsn %d\n", p->wmep_txopLimit, 4634 p->wmep_logcwmin, p->wmep_logcwmax, p->wmep_aifsn); 4635 4636 params[BWN_WMEPARAM_TXOP] = p->wmep_txopLimit * 32; 4637 params[BWN_WMEPARAM_CWMIN] = 4638 _IEEE80211_SHIFTMASK(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4639 params[BWN_WMEPARAM_CWMAX] = 4640 _IEEE80211_SHIFTMASK(p->wmep_logcwmax, WME_PARAM_LOGCWMAX); 4641 params[BWN_WMEPARAM_CWCUR] = 4642 _IEEE80211_SHIFTMASK(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4643 params[BWN_WMEPARAM_AIFS] = p->wmep_aifsn; 4644 params[BWN_WMEPARAM_BSLOTS] = slot; 4645 params[BWN_WMEPARAM_REGGAP] = slot + p->wmep_aifsn; 4646 4647 for (i = 0; i < N(params); i++) { 4648 if (i == BWN_WMEPARAM_STATUS) { 4649 tmp = bwn_shm_read_2(mac, BWN_SHARED, 4650 shm_offset + (i * 2)); 4651 tmp |= 0x100; 4652 bwn_shm_write_2(mac, BWN_SHARED, shm_offset + (i * 2), 4653 tmp); 4654 } else { 4655 bwn_shm_write_2(mac, BWN_SHARED, shm_offset + (i * 2), 4656 params[i]); 4657 } 4658 } 4659 } 4660 4661 static void 4662 bwn_mac_write_bssid(struct bwn_mac *mac) 4663 { 4664 struct bwn_softc *sc = mac->mac_sc; 4665 uint32_t tmp; 4666 int i; 4667 uint8_t mac_bssid[IEEE80211_ADDR_LEN * 2]; 4668 4669 bwn_mac_setfilter(mac, BWN_MACFILTER_BSSID, sc->sc_bssid); 4670 memcpy(mac_bssid, sc->sc_ic.ic_macaddr, IEEE80211_ADDR_LEN); 4671 memcpy(mac_bssid + IEEE80211_ADDR_LEN, sc->sc_bssid, 4672 IEEE80211_ADDR_LEN); 4673 4674 for (i = 0; i < N(mac_bssid); i += sizeof(uint32_t)) { 4675 tmp = (uint32_t) (mac_bssid[i + 0]); 4676 tmp |= (uint32_t) (mac_bssid[i + 1]) << 8; 4677 tmp |= (uint32_t) (mac_bssid[i + 2]) << 16; 4678 tmp |= (uint32_t) (mac_bssid[i + 3]) << 24; 4679 bwn_ram_write(mac, 0x20 + i, tmp); 4680 } 4681 } 4682 4683 static void 4684 bwn_mac_setfilter(struct bwn_mac *mac, uint16_t offset, 4685 const uint8_t *macaddr) 4686 { 4687 static const uint8_t zero[IEEE80211_ADDR_LEN] = { 0 }; 4688 uint16_t data; 4689 4690 if (!mac) 4691 macaddr = zero; 4692 4693 offset |= 0x0020; 4694 BWN_WRITE_2(mac, BWN_MACFILTER_CONTROL, offset); 4695 4696 data = macaddr[0]; 4697 data |= macaddr[1] << 8; 4698 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4699 data = macaddr[2]; 4700 data |= macaddr[3] << 8; 4701 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4702 data = macaddr[4]; 4703 data |= macaddr[5] << 8; 4704 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4705 } 4706 4707 static void 4708 bwn_key_dowrite(struct bwn_mac *mac, uint8_t index, uint8_t algorithm, 4709 const uint8_t *key, size_t key_len, const uint8_t *mac_addr) 4710 { 4711 uint8_t buf[BWN_SEC_KEYSIZE] = { 0, }; 4712 uint8_t per_sta_keys_start = 8; 4713 4714 if (BWN_SEC_NEWAPI(mac)) 4715 per_sta_keys_start = 4; 4716 4717 KASSERT(index < mac->mac_max_nr_keys, 4718 ("%s:%d: fail", __func__, __LINE__)); 4719 KASSERT(key_len <= BWN_SEC_KEYSIZE, 4720 ("%s:%d: fail", __func__, __LINE__)); 4721 4722 if (index >= per_sta_keys_start) 4723 bwn_key_macwrite(mac, index, NULL); 4724 if (key) 4725 memcpy(buf, key, key_len); 4726 bwn_key_write(mac, index, algorithm, buf); 4727 if (index >= per_sta_keys_start) 4728 bwn_key_macwrite(mac, index, mac_addr); 4729 4730 mac->mac_key[index].algorithm = algorithm; 4731 } 4732 4733 static void 4734 bwn_key_macwrite(struct bwn_mac *mac, uint8_t index, const uint8_t *addr) 4735 { 4736 struct bwn_softc *sc = mac->mac_sc; 4737 uint32_t addrtmp[2] = { 0, 0 }; 4738 uint8_t start = 8; 4739 4740 if (BWN_SEC_NEWAPI(mac)) 4741 start = 4; 4742 4743 KASSERT(index >= start, 4744 ("%s:%d: fail", __func__, __LINE__)); 4745 index -= start; 4746 4747 if (addr) { 4748 addrtmp[0] = addr[0]; 4749 addrtmp[0] |= ((uint32_t) (addr[1]) << 8); 4750 addrtmp[0] |= ((uint32_t) (addr[2]) << 16); 4751 addrtmp[0] |= ((uint32_t) (addr[3]) << 24); 4752 addrtmp[1] = addr[4]; 4753 addrtmp[1] |= ((uint32_t) (addr[5]) << 8); 4754 } 4755 4756 if (bhnd_get_hwrev(sc->sc_dev) >= 5) { 4757 bwn_shm_write_4(mac, BWN_RCMTA, (index * 2) + 0, addrtmp[0]); 4758 bwn_shm_write_2(mac, BWN_RCMTA, (index * 2) + 1, addrtmp[1]); 4759 } else { 4760 if (index >= 8) { 4761 bwn_shm_write_4(mac, BWN_SHARED, 4762 BWN_SHARED_PSM + (index * 6) + 0, addrtmp[0]); 4763 bwn_shm_write_2(mac, BWN_SHARED, 4764 BWN_SHARED_PSM + (index * 6) + 4, addrtmp[1]); 4765 } 4766 } 4767 } 4768 4769 static void 4770 bwn_key_write(struct bwn_mac *mac, uint8_t index, uint8_t algorithm, 4771 const uint8_t *key) 4772 { 4773 unsigned int i; 4774 uint32_t offset; 4775 uint16_t kidx, value; 4776 4777 kidx = BWN_SEC_KEY2FW(mac, index); 4778 bwn_shm_write_2(mac, BWN_SHARED, 4779 BWN_SHARED_KEYIDX_BLOCK + (kidx * 2), (kidx << 4) | algorithm); 4780 4781 offset = mac->mac_ktp + (index * BWN_SEC_KEYSIZE); 4782 for (i = 0; i < BWN_SEC_KEYSIZE; i += 2) { 4783 value = key[i]; 4784 value |= (uint16_t)(key[i + 1]) << 8; 4785 bwn_shm_write_2(mac, BWN_SHARED, offset + i, value); 4786 } 4787 } 4788 4789 static void 4790 bwn_phy_exit(struct bwn_mac *mac) 4791 { 4792 4793 mac->mac_phy.rf_onoff(mac, 0); 4794 if (mac->mac_phy.exit != NULL) 4795 mac->mac_phy.exit(mac); 4796 } 4797 4798 static void 4799 bwn_dma_free(struct bwn_mac *mac) 4800 { 4801 struct bwn_dma *dma; 4802 4803 if ((mac->mac_flags & BWN_MAC_FLAG_DMA) == 0) 4804 return; 4805 dma = &mac->mac_method.dma; 4806 4807 bwn_dma_ringfree(&dma->rx); 4808 bwn_dma_ringfree(&dma->wme[WME_AC_BK]); 4809 bwn_dma_ringfree(&dma->wme[WME_AC_BE]); 4810 bwn_dma_ringfree(&dma->wme[WME_AC_VI]); 4811 bwn_dma_ringfree(&dma->wme[WME_AC_VO]); 4812 bwn_dma_ringfree(&dma->mcast); 4813 } 4814 4815 static void 4816 bwn_core_stop(struct bwn_mac *mac) 4817 { 4818 struct bwn_softc *sc = mac->mac_sc; 4819 4820 BWN_ASSERT_LOCKED(sc); 4821 4822 if (mac->mac_status < BWN_MAC_STATUS_STARTED) 4823 return; 4824 4825 callout_stop(&sc->sc_rfswitch_ch); 4826 callout_stop(&sc->sc_task_ch); 4827 callout_stop(&sc->sc_watchdog_ch); 4828 sc->sc_watchdog_timer = 0; 4829 BWN_WRITE_4(mac, BWN_INTR_MASK, 0); 4830 BWN_READ_4(mac, BWN_INTR_MASK); 4831 bwn_mac_suspend(mac); 4832 4833 mac->mac_status = BWN_MAC_STATUS_INITED; 4834 } 4835 4836 static int 4837 bwn_switch_band(struct bwn_softc *sc, struct ieee80211_channel *chan) 4838 { 4839 struct bwn_mac *up_dev = NULL; 4840 struct bwn_mac *down_dev; 4841 struct bwn_mac *mac; 4842 int err, status; 4843 uint8_t gmode; 4844 4845 BWN_ASSERT_LOCKED(sc); 4846 4847 TAILQ_FOREACH(mac, &sc->sc_maclist, mac_list) { 4848 if (IEEE80211_IS_CHAN_2GHZ(chan) && 4849 mac->mac_phy.supports_2ghz) { 4850 up_dev = mac; 4851 gmode = 1; 4852 } else if (IEEE80211_IS_CHAN_5GHZ(chan) && 4853 mac->mac_phy.supports_5ghz) { 4854 up_dev = mac; 4855 gmode = 0; 4856 } else { 4857 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 4858 return (EINVAL); 4859 } 4860 if (up_dev != NULL) 4861 break; 4862 } 4863 if (up_dev == NULL) { 4864 device_printf(sc->sc_dev, "Could not find a device\n"); 4865 return (ENODEV); 4866 } 4867 if (up_dev == sc->sc_curmac && sc->sc_curmac->mac_phy.gmode == gmode) 4868 return (0); 4869 4870 DPRINTF(sc, BWN_DEBUG_RF | BWN_DEBUG_PHY | BWN_DEBUG_RESET, 4871 "switching to %s-GHz band\n", 4872 IEEE80211_IS_CHAN_2GHZ(chan) ? "2" : "5"); 4873 4874 down_dev = sc->sc_curmac; 4875 status = down_dev->mac_status; 4876 if (status >= BWN_MAC_STATUS_STARTED) 4877 bwn_core_stop(down_dev); 4878 if (status >= BWN_MAC_STATUS_INITED) 4879 bwn_core_exit(down_dev); 4880 4881 if (down_dev != up_dev) { 4882 err = bwn_phy_reset(down_dev); 4883 if (err) 4884 goto fail; 4885 } 4886 4887 up_dev->mac_phy.gmode = gmode; 4888 if (status >= BWN_MAC_STATUS_INITED) { 4889 err = bwn_core_init(up_dev); 4890 if (err) { 4891 device_printf(sc->sc_dev, 4892 "fatal: failed to initialize for %s-GHz\n", 4893 IEEE80211_IS_CHAN_2GHZ(chan) ? "2" : "5"); 4894 goto fail; 4895 } 4896 } 4897 if (status >= BWN_MAC_STATUS_STARTED) 4898 bwn_core_start(up_dev); 4899 KASSERT(up_dev->mac_status == status, ("%s: fail", __func__)); 4900 sc->sc_curmac = up_dev; 4901 4902 return (0); 4903 fail: 4904 sc->sc_curmac = NULL; 4905 return (err); 4906 } 4907 4908 static void 4909 bwn_rf_turnon(struct bwn_mac *mac) 4910 { 4911 4912 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 4913 4914 bwn_mac_suspend(mac); 4915 mac->mac_phy.rf_onoff(mac, 1); 4916 mac->mac_phy.rf_on = 1; 4917 bwn_mac_enable(mac); 4918 } 4919 4920 static void 4921 bwn_rf_turnoff(struct bwn_mac *mac) 4922 { 4923 4924 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 4925 4926 bwn_mac_suspend(mac); 4927 mac->mac_phy.rf_onoff(mac, 0); 4928 mac->mac_phy.rf_on = 0; 4929 bwn_mac_enable(mac); 4930 } 4931 4932 /* 4933 * PHY reset. 4934 */ 4935 static int 4936 bwn_phy_reset(struct bwn_mac *mac) 4937 { 4938 struct bwn_softc *sc; 4939 uint16_t iost, mask; 4940 int error; 4941 4942 sc = mac->mac_sc; 4943 4944 iost = BWN_IOCTL_PHYRESET | BHND_IOCTL_CLK_FORCE; 4945 mask = iost | BWN_IOCTL_SUPPORT_G; 4946 4947 if ((error = bhnd_write_ioctl(sc->sc_dev, iost, mask))) 4948 return (error); 4949 4950 DELAY(1000); 4951 4952 iost &= ~BHND_IOCTL_CLK_FORCE; 4953 4954 if ((error = bhnd_write_ioctl(sc->sc_dev, iost, mask))) 4955 return (error); 4956 4957 DELAY(1000); 4958 4959 return (0); 4960 } 4961 4962 static int 4963 bwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 4964 { 4965 struct bwn_vap *bvp = BWN_VAP(vap); 4966 struct ieee80211com *ic= vap->iv_ic; 4967 enum ieee80211_state ostate = vap->iv_state; 4968 struct bwn_softc *sc = ic->ic_softc; 4969 struct bwn_mac *mac = sc->sc_curmac; 4970 int error; 4971 4972 DPRINTF(sc, BWN_DEBUG_STATE, "%s: %s -> %s\n", __func__, 4973 ieee80211_state_name[vap->iv_state], 4974 ieee80211_state_name[nstate]); 4975 4976 error = bvp->bv_newstate(vap, nstate, arg); 4977 if (error != 0) 4978 return (error); 4979 4980 BWN_LOCK(sc); 4981 4982 bwn_led_newstate(mac, nstate); 4983 4984 /* 4985 * Clear the BSSID when we stop a STA 4986 */ 4987 if (vap->iv_opmode == IEEE80211_M_STA) { 4988 if (ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_RUN) { 4989 /* 4990 * Clear out the BSSID. If we reassociate to 4991 * the same AP, this will reinialize things 4992 * correctly... 4993 */ 4994 if (ic->ic_opmode == IEEE80211_M_STA && 4995 (sc->sc_flags & BWN_FLAG_INVALID) == 0) { 4996 memset(sc->sc_bssid, 0, IEEE80211_ADDR_LEN); 4997 bwn_set_macaddr(mac); 4998 } 4999 } 5000 } 5001 5002 if (vap->iv_opmode == IEEE80211_M_MONITOR || 5003 vap->iv_opmode == IEEE80211_M_AHDEMO) { 5004 /* XXX nothing to do? */ 5005 } else if (nstate == IEEE80211_S_RUN) { 5006 memcpy(sc->sc_bssid, vap->iv_bss->ni_bssid, IEEE80211_ADDR_LEN); 5007 bwn_set_opmode(mac); 5008 bwn_set_pretbtt(mac); 5009 bwn_spu_setdelay(mac, 0); 5010 bwn_set_macaddr(mac); 5011 } 5012 5013 BWN_UNLOCK(sc); 5014 5015 return (error); 5016 } 5017 5018 static void 5019 bwn_set_pretbtt(struct bwn_mac *mac) 5020 { 5021 struct bwn_softc *sc = mac->mac_sc; 5022 struct ieee80211com *ic = &sc->sc_ic; 5023 uint16_t pretbtt; 5024 5025 if (ic->ic_opmode == IEEE80211_M_IBSS) 5026 pretbtt = 2; 5027 else 5028 pretbtt = (mac->mac_phy.type == BWN_PHYTYPE_A) ? 120 : 250; 5029 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PRETBTT, pretbtt); 5030 BWN_WRITE_2(mac, BWN_TSF_CFP_PRETBTT, pretbtt); 5031 } 5032 5033 static int 5034 bwn_intr(void *arg) 5035 { 5036 struct bwn_mac *mac = arg; 5037 struct bwn_softc *sc = mac->mac_sc; 5038 uint32_t reason; 5039 5040 if (mac->mac_status < BWN_MAC_STATUS_STARTED || 5041 (sc->sc_flags & BWN_FLAG_INVALID)) 5042 return (FILTER_STRAY); 5043 5044 DPRINTF(sc, BWN_DEBUG_INTR, "%s: called\n", __func__); 5045 5046 reason = BWN_READ_4(mac, BWN_INTR_REASON); 5047 if (reason == 0xffffffff) /* shared IRQ */ 5048 return (FILTER_STRAY); 5049 reason &= mac->mac_intr_mask; 5050 if (reason == 0) 5051 return (FILTER_HANDLED); 5052 DPRINTF(sc, BWN_DEBUG_INTR, "%s: reason=0x%08x\n", __func__, reason); 5053 5054 mac->mac_reason[0] = BWN_READ_4(mac, BWN_DMA0_REASON) & 0x0001dc00; 5055 mac->mac_reason[1] = BWN_READ_4(mac, BWN_DMA1_REASON) & 0x0000dc00; 5056 mac->mac_reason[2] = BWN_READ_4(mac, BWN_DMA2_REASON) & 0x0000dc00; 5057 mac->mac_reason[3] = BWN_READ_4(mac, BWN_DMA3_REASON) & 0x0001dc00; 5058 mac->mac_reason[4] = BWN_READ_4(mac, BWN_DMA4_REASON) & 0x0000dc00; 5059 BWN_WRITE_4(mac, BWN_INTR_REASON, reason); 5060 BWN_WRITE_4(mac, BWN_DMA0_REASON, mac->mac_reason[0]); 5061 BWN_WRITE_4(mac, BWN_DMA1_REASON, mac->mac_reason[1]); 5062 BWN_WRITE_4(mac, BWN_DMA2_REASON, mac->mac_reason[2]); 5063 BWN_WRITE_4(mac, BWN_DMA3_REASON, mac->mac_reason[3]); 5064 BWN_WRITE_4(mac, BWN_DMA4_REASON, mac->mac_reason[4]); 5065 5066 /* Disable interrupts. */ 5067 BWN_WRITE_4(mac, BWN_INTR_MASK, 0); 5068 5069 mac->mac_reason_intr = reason; 5070 5071 BWN_BARRIER(mac, 0, 0, BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE); 5072 5073 taskqueue_enqueue(sc->sc_tq, &mac->mac_intrtask); 5074 return (FILTER_HANDLED); 5075 } 5076 5077 static void 5078 bwn_intrtask(void *arg, int npending) 5079 { 5080 struct epoch_tracker et; 5081 struct bwn_mac *mac = arg; 5082 struct bwn_softc *sc = mac->mac_sc; 5083 uint32_t merged = 0; 5084 int i, tx = 0, rx = 0; 5085 5086 BWN_LOCK(sc); 5087 if (mac->mac_status < BWN_MAC_STATUS_STARTED || 5088 (sc->sc_flags & BWN_FLAG_INVALID)) { 5089 BWN_UNLOCK(sc); 5090 return; 5091 } 5092 5093 for (i = 0; i < N(mac->mac_reason); i++) 5094 merged |= mac->mac_reason[i]; 5095 5096 if (mac->mac_reason_intr & BWN_INTR_MAC_TXERR) 5097 device_printf(sc->sc_dev, "MAC trans error\n"); 5098 5099 if (mac->mac_reason_intr & BWN_INTR_PHY_TXERR) { 5100 DPRINTF(sc, BWN_DEBUG_INTR, "%s: PHY trans error\n", __func__); 5101 mac->mac_phy.txerrors--; 5102 if (mac->mac_phy.txerrors == 0) { 5103 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 5104 bwn_restart(mac, "PHY TX errors"); 5105 } 5106 } 5107 5108 if (merged & (BWN_DMAINTR_FATALMASK | BWN_DMAINTR_NONFATALMASK)) { 5109 if (merged & BWN_DMAINTR_FATALMASK) { 5110 device_printf(sc->sc_dev, 5111 "Fatal DMA error: %#x %#x %#x %#x %#x %#x\n", 5112 mac->mac_reason[0], mac->mac_reason[1], 5113 mac->mac_reason[2], mac->mac_reason[3], 5114 mac->mac_reason[4], mac->mac_reason[5]); 5115 bwn_restart(mac, "DMA error"); 5116 BWN_UNLOCK(sc); 5117 return; 5118 } 5119 if (merged & BWN_DMAINTR_NONFATALMASK) { 5120 device_printf(sc->sc_dev, 5121 "DMA error: %#x %#x %#x %#x %#x %#x\n", 5122 mac->mac_reason[0], mac->mac_reason[1], 5123 mac->mac_reason[2], mac->mac_reason[3], 5124 mac->mac_reason[4], mac->mac_reason[5]); 5125 } 5126 } 5127 5128 if (mac->mac_reason_intr & BWN_INTR_UCODE_DEBUG) 5129 bwn_intr_ucode_debug(mac); 5130 if (mac->mac_reason_intr & BWN_INTR_TBTT_INDI) 5131 bwn_intr_tbtt_indication(mac); 5132 if (mac->mac_reason_intr & BWN_INTR_ATIM_END) 5133 bwn_intr_atim_end(mac); 5134 if (mac->mac_reason_intr & BWN_INTR_BEACON) 5135 bwn_intr_beacon(mac); 5136 if (mac->mac_reason_intr & BWN_INTR_PMQ) 5137 bwn_intr_pmq(mac); 5138 if (mac->mac_reason_intr & BWN_INTR_NOISESAMPLE_OK) 5139 bwn_intr_noise(mac); 5140 5141 NET_EPOCH_ENTER(et); 5142 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 5143 if (mac->mac_reason[0] & BWN_DMAINTR_RX_DONE) { 5144 bwn_dma_rx(mac->mac_method.dma.rx); 5145 rx = 1; 5146 } 5147 } else 5148 rx = bwn_pio_rx(&mac->mac_method.pio.rx); 5149 NET_EPOCH_EXIT(et); 5150 5151 KASSERT(!(mac->mac_reason[1] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5152 KASSERT(!(mac->mac_reason[2] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5153 KASSERT(!(mac->mac_reason[3] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5154 KASSERT(!(mac->mac_reason[4] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5155 KASSERT(!(mac->mac_reason[5] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5156 5157 if (mac->mac_reason_intr & BWN_INTR_TX_OK) { 5158 bwn_intr_txeof(mac); 5159 tx = 1; 5160 } 5161 5162 BWN_WRITE_4(mac, BWN_INTR_MASK, mac->mac_intr_mask); 5163 5164 if (sc->sc_blink_led != NULL && sc->sc_led_blink) { 5165 int evt = BWN_LED_EVENT_NONE; 5166 5167 if (tx && rx) { 5168 if (sc->sc_rx_rate > sc->sc_tx_rate) 5169 evt = BWN_LED_EVENT_RX; 5170 else 5171 evt = BWN_LED_EVENT_TX; 5172 } else if (tx) { 5173 evt = BWN_LED_EVENT_TX; 5174 } else if (rx) { 5175 evt = BWN_LED_EVENT_RX; 5176 } else if (rx == 0) { 5177 evt = BWN_LED_EVENT_POLL; 5178 } 5179 5180 if (evt != BWN_LED_EVENT_NONE) 5181 bwn_led_event(mac, evt); 5182 } 5183 5184 if (mbufq_first(&sc->sc_snd) != NULL) 5185 bwn_start(sc); 5186 5187 BWN_BARRIER(mac, 0, 0, BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE); 5188 5189 BWN_UNLOCK(sc); 5190 } 5191 5192 static void 5193 bwn_restart(struct bwn_mac *mac, const char *msg) 5194 { 5195 struct bwn_softc *sc = mac->mac_sc; 5196 struct ieee80211com *ic = &sc->sc_ic; 5197 5198 if (mac->mac_status < BWN_MAC_STATUS_INITED) 5199 return; 5200 5201 device_printf(sc->sc_dev, "HW reset: %s\n", msg); 5202 ieee80211_runtask(ic, &mac->mac_hwreset); 5203 } 5204 5205 static void 5206 bwn_intr_ucode_debug(struct bwn_mac *mac) 5207 { 5208 struct bwn_softc *sc = mac->mac_sc; 5209 uint16_t reason; 5210 5211 if (mac->mac_fw.opensource == 0) 5212 return; 5213 5214 reason = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_DEBUGINTR_REASON_REG); 5215 switch (reason) { 5216 case BWN_DEBUGINTR_PANIC: 5217 bwn_handle_fwpanic(mac); 5218 break; 5219 case BWN_DEBUGINTR_DUMP_SHM: 5220 device_printf(sc->sc_dev, "BWN_DEBUGINTR_DUMP_SHM\n"); 5221 break; 5222 case BWN_DEBUGINTR_DUMP_REGS: 5223 device_printf(sc->sc_dev, "BWN_DEBUGINTR_DUMP_REGS\n"); 5224 break; 5225 case BWN_DEBUGINTR_MARKER: 5226 device_printf(sc->sc_dev, "BWN_DEBUGINTR_MARKER\n"); 5227 break; 5228 default: 5229 device_printf(sc->sc_dev, 5230 "ucode debug unknown reason: %#x\n", reason); 5231 } 5232 5233 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_DEBUGINTR_REASON_REG, 5234 BWN_DEBUGINTR_ACK); 5235 } 5236 5237 static void 5238 bwn_intr_tbtt_indication(struct bwn_mac *mac) 5239 { 5240 struct bwn_softc *sc = mac->mac_sc; 5241 struct ieee80211com *ic = &sc->sc_ic; 5242 5243 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 5244 bwn_psctl(mac, 0); 5245 if (ic->ic_opmode == IEEE80211_M_IBSS) 5246 mac->mac_flags |= BWN_MAC_FLAG_DFQVALID; 5247 } 5248 5249 static void 5250 bwn_intr_atim_end(struct bwn_mac *mac) 5251 { 5252 5253 if (mac->mac_flags & BWN_MAC_FLAG_DFQVALID) { 5254 BWN_WRITE_4(mac, BWN_MACCMD, 5255 BWN_READ_4(mac, BWN_MACCMD) | BWN_MACCMD_DFQ_VALID); 5256 mac->mac_flags &= ~BWN_MAC_FLAG_DFQVALID; 5257 } 5258 } 5259 5260 static void 5261 bwn_intr_beacon(struct bwn_mac *mac) 5262 { 5263 struct bwn_softc *sc = mac->mac_sc; 5264 struct ieee80211com *ic = &sc->sc_ic; 5265 uint32_t cmd, beacon0, beacon1; 5266 5267 if (ic->ic_opmode == IEEE80211_M_HOSTAP || 5268 ic->ic_opmode == IEEE80211_M_MBSS) 5269 return; 5270 5271 mac->mac_intr_mask &= ~BWN_INTR_BEACON; 5272 5273 cmd = BWN_READ_4(mac, BWN_MACCMD); 5274 beacon0 = (cmd & BWN_MACCMD_BEACON0_VALID); 5275 beacon1 = (cmd & BWN_MACCMD_BEACON1_VALID); 5276 5277 if (beacon0 && beacon1) { 5278 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_BEACON); 5279 mac->mac_intr_mask |= BWN_INTR_BEACON; 5280 return; 5281 } 5282 5283 if (sc->sc_flags & BWN_FLAG_NEED_BEACON_TP) { 5284 sc->sc_flags &= ~BWN_FLAG_NEED_BEACON_TP; 5285 bwn_load_beacon0(mac); 5286 bwn_load_beacon1(mac); 5287 cmd = BWN_READ_4(mac, BWN_MACCMD); 5288 cmd |= BWN_MACCMD_BEACON0_VALID; 5289 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5290 } else { 5291 if (!beacon0) { 5292 bwn_load_beacon0(mac); 5293 cmd = BWN_READ_4(mac, BWN_MACCMD); 5294 cmd |= BWN_MACCMD_BEACON0_VALID; 5295 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5296 } else if (!beacon1) { 5297 bwn_load_beacon1(mac); 5298 cmd = BWN_READ_4(mac, BWN_MACCMD); 5299 cmd |= BWN_MACCMD_BEACON1_VALID; 5300 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5301 } 5302 } 5303 } 5304 5305 static void 5306 bwn_intr_pmq(struct bwn_mac *mac) 5307 { 5308 uint32_t tmp; 5309 5310 while (1) { 5311 tmp = BWN_READ_4(mac, BWN_PS_STATUS); 5312 if (!(tmp & 0x00000008)) 5313 break; 5314 } 5315 BWN_WRITE_2(mac, BWN_PS_STATUS, 0x0002); 5316 } 5317 5318 static void 5319 bwn_intr_noise(struct bwn_mac *mac) 5320 { 5321 struct bwn_phy_g *pg = &mac->mac_phy.phy_g; 5322 uint16_t tmp; 5323 uint8_t noise[4]; 5324 uint8_t i, j; 5325 int32_t average; 5326 5327 if (mac->mac_phy.type != BWN_PHYTYPE_G) 5328 return; 5329 5330 KASSERT(mac->mac_noise.noi_running, ("%s: fail", __func__)); 5331 *((uint32_t *)noise) = htole32(bwn_jssi_read(mac)); 5332 if (noise[0] == 0x7f || noise[1] == 0x7f || noise[2] == 0x7f || 5333 noise[3] == 0x7f) 5334 goto new; 5335 5336 KASSERT(mac->mac_noise.noi_nsamples < 8, 5337 ("%s:%d: fail", __func__, __LINE__)); 5338 i = mac->mac_noise.noi_nsamples; 5339 noise[0] = MIN(MAX(noise[0], 0), N(pg->pg_nrssi_lt) - 1); 5340 noise[1] = MIN(MAX(noise[1], 0), N(pg->pg_nrssi_lt) - 1); 5341 noise[2] = MIN(MAX(noise[2], 0), N(pg->pg_nrssi_lt) - 1); 5342 noise[3] = MIN(MAX(noise[3], 0), N(pg->pg_nrssi_lt) - 1); 5343 mac->mac_noise.noi_samples[i][0] = pg->pg_nrssi_lt[noise[0]]; 5344 mac->mac_noise.noi_samples[i][1] = pg->pg_nrssi_lt[noise[1]]; 5345 mac->mac_noise.noi_samples[i][2] = pg->pg_nrssi_lt[noise[2]]; 5346 mac->mac_noise.noi_samples[i][3] = pg->pg_nrssi_lt[noise[3]]; 5347 mac->mac_noise.noi_nsamples++; 5348 if (mac->mac_noise.noi_nsamples == 8) { 5349 average = 0; 5350 for (i = 0; i < 8; i++) { 5351 for (j = 0; j < 4; j++) 5352 average += mac->mac_noise.noi_samples[i][j]; 5353 } 5354 average = (((average / 32) * 125) + 64) / 128; 5355 tmp = (bwn_shm_read_2(mac, BWN_SHARED, 0x40c) / 128) & 0x1f; 5356 if (tmp >= 8) 5357 average += 2; 5358 else 5359 average -= 25; 5360 average -= (tmp == 8) ? 72 : 48; 5361 5362 mac->mac_stats.link_noise = average; 5363 mac->mac_noise.noi_running = 0; 5364 return; 5365 } 5366 new: 5367 bwn_noise_gensample(mac); 5368 } 5369 5370 static int 5371 bwn_pio_rx(struct bwn_pio_rxqueue *prq) 5372 { 5373 struct bwn_mac *mac = prq->prq_mac; 5374 struct bwn_softc *sc = mac->mac_sc; 5375 unsigned int i; 5376 5377 BWN_ASSERT_LOCKED(sc); 5378 5379 if (mac->mac_status < BWN_MAC_STATUS_STARTED) 5380 return (0); 5381 5382 for (i = 0; i < 5000; i++) { 5383 if (bwn_pio_rxeof(prq) == 0) 5384 break; 5385 } 5386 if (i >= 5000) 5387 device_printf(sc->sc_dev, "too many RX frames in PIO mode\n"); 5388 return ((i > 0) ? 1 : 0); 5389 } 5390 5391 static void 5392 bwn_dma_rx(struct bwn_dma_ring *dr) 5393 { 5394 int slot, curslot; 5395 5396 KASSERT(!dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 5397 curslot = dr->get_curslot(dr); 5398 KASSERT(curslot >= 0 && curslot < dr->dr_numslots, 5399 ("%s:%d: fail", __func__, __LINE__)); 5400 5401 slot = dr->dr_curslot; 5402 for (; slot != curslot; slot = bwn_dma_nextslot(dr, slot)) 5403 bwn_dma_rxeof(dr, &slot); 5404 5405 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 5406 BUS_DMASYNC_PREWRITE); 5407 5408 dr->set_curslot(dr, slot); 5409 dr->dr_curslot = slot; 5410 } 5411 5412 static void 5413 bwn_intr_txeof(struct bwn_mac *mac) 5414 { 5415 struct bwn_txstatus stat; 5416 uint32_t stat0, stat1; 5417 uint16_t tmp; 5418 5419 BWN_ASSERT_LOCKED(mac->mac_sc); 5420 5421 while (1) { 5422 stat0 = BWN_READ_4(mac, BWN_XMITSTAT_0); 5423 if (!(stat0 & 0x00000001)) 5424 break; 5425 stat1 = BWN_READ_4(mac, BWN_XMITSTAT_1); 5426 5427 DPRINTF(mac->mac_sc, BWN_DEBUG_XMIT, 5428 "%s: stat0=0x%08x, stat1=0x%08x\n", 5429 __func__, 5430 stat0, 5431 stat1); 5432 5433 stat.cookie = (stat0 >> 16); 5434 stat.seq = (stat1 & 0x0000ffff); 5435 stat.phy_stat = ((stat1 & 0x00ff0000) >> 16); 5436 tmp = (stat0 & 0x0000ffff); 5437 stat.framecnt = ((tmp & 0xf000) >> 12); 5438 stat.rtscnt = ((tmp & 0x0f00) >> 8); 5439 stat.sreason = ((tmp & 0x001c) >> 2); 5440 stat.pm = (tmp & 0x0080) ? 1 : 0; 5441 stat.im = (tmp & 0x0040) ? 1 : 0; 5442 stat.ampdu = (tmp & 0x0020) ? 1 : 0; 5443 stat.ack = (tmp & 0x0002) ? 1 : 0; 5444 5445 DPRINTF(mac->mac_sc, BWN_DEBUG_XMIT, 5446 "%s: cookie=%d, seq=%d, phystat=0x%02x, framecnt=%d, " 5447 "rtscnt=%d, sreason=%d, pm=%d, im=%d, ampdu=%d, ack=%d\n", 5448 __func__, 5449 stat.cookie, 5450 stat.seq, 5451 stat.phy_stat, 5452 stat.framecnt, 5453 stat.rtscnt, 5454 stat.sreason, 5455 stat.pm, 5456 stat.im, 5457 stat.ampdu, 5458 stat.ack); 5459 5460 bwn_handle_txeof(mac, &stat); 5461 } 5462 } 5463 5464 static void 5465 bwn_hwreset(void *arg, int npending) 5466 { 5467 struct bwn_mac *mac = arg; 5468 struct bwn_softc *sc = mac->mac_sc; 5469 int error = 0; 5470 int prev_status; 5471 5472 BWN_LOCK(sc); 5473 5474 prev_status = mac->mac_status; 5475 if (prev_status >= BWN_MAC_STATUS_STARTED) 5476 bwn_core_stop(mac); 5477 if (prev_status >= BWN_MAC_STATUS_INITED) 5478 bwn_core_exit(mac); 5479 5480 if (prev_status >= BWN_MAC_STATUS_INITED) { 5481 error = bwn_core_init(mac); 5482 if (error) 5483 goto out; 5484 } 5485 if (prev_status >= BWN_MAC_STATUS_STARTED) 5486 bwn_core_start(mac); 5487 out: 5488 if (error) { 5489 device_printf(sc->sc_dev, "%s: failed (%d)\n", __func__, error); 5490 sc->sc_curmac = NULL; 5491 } 5492 BWN_UNLOCK(sc); 5493 } 5494 5495 static void 5496 bwn_handle_fwpanic(struct bwn_mac *mac) 5497 { 5498 struct bwn_softc *sc = mac->mac_sc; 5499 uint16_t reason; 5500 5501 reason = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_FWPANIC_REASON_REG); 5502 device_printf(sc->sc_dev,"fw panic (%u)\n", reason); 5503 5504 if (reason == BWN_FWPANIC_RESTART) 5505 bwn_restart(mac, "ucode panic"); 5506 } 5507 5508 static void 5509 bwn_load_beacon0(struct bwn_mac *mac) 5510 { 5511 5512 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 5513 } 5514 5515 static void 5516 bwn_load_beacon1(struct bwn_mac *mac) 5517 { 5518 5519 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 5520 } 5521 5522 static uint32_t 5523 bwn_jssi_read(struct bwn_mac *mac) 5524 { 5525 uint32_t val = 0; 5526 5527 val = bwn_shm_read_2(mac, BWN_SHARED, 0x08a); 5528 val <<= 16; 5529 val |= bwn_shm_read_2(mac, BWN_SHARED, 0x088); 5530 5531 return (val); 5532 } 5533 5534 static void 5535 bwn_noise_gensample(struct bwn_mac *mac) 5536 { 5537 uint32_t jssi = 0x7f7f7f7f; 5538 5539 bwn_shm_write_2(mac, BWN_SHARED, 0x088, (jssi & 0x0000ffff)); 5540 bwn_shm_write_2(mac, BWN_SHARED, 0x08a, (jssi & 0xffff0000) >> 16); 5541 BWN_WRITE_4(mac, BWN_MACCMD, 5542 BWN_READ_4(mac, BWN_MACCMD) | BWN_MACCMD_BGNOISE); 5543 } 5544 5545 static int 5546 bwn_dma_freeslot(struct bwn_dma_ring *dr) 5547 { 5548 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 5549 5550 return (dr->dr_numslots - dr->dr_usedslot); 5551 } 5552 5553 static int 5554 bwn_dma_nextslot(struct bwn_dma_ring *dr, int slot) 5555 { 5556 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 5557 5558 KASSERT(slot >= -1 && slot <= dr->dr_numslots - 1, 5559 ("%s:%d: fail", __func__, __LINE__)); 5560 if (slot == dr->dr_numslots - 1) 5561 return (0); 5562 return (slot + 1); 5563 } 5564 5565 static void 5566 bwn_dma_rxeof(struct bwn_dma_ring *dr, int *slot) 5567 { 5568 struct bwn_mac *mac = dr->dr_mac; 5569 struct bwn_softc *sc = mac->mac_sc; 5570 struct bwn_dma *dma = &mac->mac_method.dma; 5571 struct bwn_dmadesc_generic *desc; 5572 struct bwn_dmadesc_meta *meta; 5573 struct bwn_rxhdr4 *rxhdr; 5574 struct mbuf *m; 5575 uint32_t macstat; 5576 int32_t tmp; 5577 int cnt = 0; 5578 uint16_t len; 5579 5580 dr->getdesc(dr, *slot, &desc, &meta); 5581 5582 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, BUS_DMASYNC_POSTREAD); 5583 m = meta->mt_m; 5584 5585 if (bwn_dma_newbuf(dr, desc, meta, 0)) { 5586 counter_u64_add(sc->sc_ic.ic_ierrors, 1); 5587 return; 5588 } 5589 5590 rxhdr = mtod(m, struct bwn_rxhdr4 *); 5591 len = le16toh(rxhdr->frame_len); 5592 if (len <= 0) { 5593 counter_u64_add(sc->sc_ic.ic_ierrors, 1); 5594 return; 5595 } 5596 if (bwn_dma_check_redzone(dr, m)) { 5597 device_printf(sc->sc_dev, "redzone error.\n"); 5598 bwn_dma_set_redzone(dr, m); 5599 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5600 BUS_DMASYNC_PREWRITE); 5601 return; 5602 } 5603 if (len > dr->dr_rx_bufsize) { 5604 tmp = len; 5605 while (1) { 5606 dr->getdesc(dr, *slot, &desc, &meta); 5607 bwn_dma_set_redzone(dr, meta->mt_m); 5608 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5609 BUS_DMASYNC_PREWRITE); 5610 *slot = bwn_dma_nextslot(dr, *slot); 5611 cnt++; 5612 tmp -= dr->dr_rx_bufsize; 5613 if (tmp <= 0) 5614 break; 5615 } 5616 device_printf(sc->sc_dev, "too small buffer " 5617 "(len %u buffer %u dropped %d)\n", 5618 len, dr->dr_rx_bufsize, cnt); 5619 return; 5620 } 5621 5622 switch (mac->mac_fw.fw_hdr_format) { 5623 case BWN_FW_HDR_351: 5624 case BWN_FW_HDR_410: 5625 macstat = le32toh(rxhdr->ps4.r351.mac_status); 5626 break; 5627 case BWN_FW_HDR_598: 5628 macstat = le32toh(rxhdr->ps4.r598.mac_status); 5629 break; 5630 } 5631 5632 if (macstat & BWN_RX_MAC_FCSERR) { 5633 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) { 5634 device_printf(sc->sc_dev, "RX drop\n"); 5635 return; 5636 } 5637 } 5638 5639 m->m_len = m->m_pkthdr.len = len + dr->dr_frameoffset; 5640 m_adj(m, dr->dr_frameoffset); 5641 5642 bwn_rxeof(dr->dr_mac, m, rxhdr); 5643 } 5644 5645 static void 5646 bwn_handle_txeof(struct bwn_mac *mac, const struct bwn_txstatus *status) 5647 { 5648 struct bwn_softc *sc = mac->mac_sc; 5649 struct bwn_stats *stats = &mac->mac_stats; 5650 5651 BWN_ASSERT_LOCKED(mac->mac_sc); 5652 5653 if (status->im) 5654 device_printf(sc->sc_dev, "TODO: STATUS IM\n"); 5655 if (status->ampdu) 5656 device_printf(sc->sc_dev, "TODO: STATUS AMPDU\n"); 5657 if (status->rtscnt) { 5658 if (status->rtscnt == 0xf) 5659 stats->rtsfail++; 5660 else 5661 stats->rts++; 5662 } 5663 5664 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 5665 bwn_dma_handle_txeof(mac, status); 5666 } else { 5667 bwn_pio_handle_txeof(mac, status); 5668 } 5669 5670 bwn_phy_txpower_check(mac, 0); 5671 } 5672 5673 static uint8_t 5674 bwn_pio_rxeof(struct bwn_pio_rxqueue *prq) 5675 { 5676 struct bwn_mac *mac = prq->prq_mac; 5677 struct bwn_softc *sc = mac->mac_sc; 5678 struct bwn_rxhdr4 rxhdr; 5679 struct mbuf *m; 5680 uint32_t ctl32, macstat, v32; 5681 unsigned int i, padding; 5682 uint16_t ctl16, len, totlen, v16; 5683 unsigned char *mp; 5684 char *data; 5685 5686 memset(&rxhdr, 0, sizeof(rxhdr)); 5687 5688 if (prq->prq_rev >= 8) { 5689 ctl32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXCTL); 5690 if (!(ctl32 & BWN_PIO8_RXCTL_FRAMEREADY)) 5691 return (0); 5692 bwn_pio_rx_write_4(prq, BWN_PIO8_RXCTL, 5693 BWN_PIO8_RXCTL_FRAMEREADY); 5694 for (i = 0; i < 10; i++) { 5695 ctl32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXCTL); 5696 if (ctl32 & BWN_PIO8_RXCTL_DATAREADY) 5697 goto ready; 5698 DELAY(10); 5699 } 5700 } else { 5701 ctl16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXCTL); 5702 if (!(ctl16 & BWN_PIO_RXCTL_FRAMEREADY)) 5703 return (0); 5704 bwn_pio_rx_write_2(prq, BWN_PIO_RXCTL, 5705 BWN_PIO_RXCTL_FRAMEREADY); 5706 for (i = 0; i < 10; i++) { 5707 ctl16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXCTL); 5708 if (ctl16 & BWN_PIO_RXCTL_DATAREADY) 5709 goto ready; 5710 DELAY(10); 5711 } 5712 } 5713 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 5714 return (1); 5715 ready: 5716 if (prq->prq_rev >= 8) { 5717 bus_read_multi_4(sc->sc_mem_res, 5718 prq->prq_base + BWN_PIO8_RXDATA, (void *)&rxhdr, 5719 sizeof(rxhdr)); 5720 } else { 5721 bus_read_multi_2(sc->sc_mem_res, 5722 prq->prq_base + BWN_PIO_RXDATA, (void *)&rxhdr, 5723 sizeof(rxhdr)); 5724 } 5725 len = le16toh(rxhdr.frame_len); 5726 if (len > 0x700) { 5727 device_printf(sc->sc_dev, "%s: len is too big\n", __func__); 5728 goto error; 5729 } 5730 if (len == 0) { 5731 device_printf(sc->sc_dev, "%s: len is 0\n", __func__); 5732 goto error; 5733 } 5734 5735 switch (mac->mac_fw.fw_hdr_format) { 5736 case BWN_FW_HDR_351: 5737 case BWN_FW_HDR_410: 5738 macstat = le32toh(rxhdr.ps4.r351.mac_status); 5739 break; 5740 case BWN_FW_HDR_598: 5741 macstat = le32toh(rxhdr.ps4.r598.mac_status); 5742 break; 5743 } 5744 5745 if (macstat & BWN_RX_MAC_FCSERR) { 5746 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) { 5747 device_printf(sc->sc_dev, "%s: FCS error", __func__); 5748 goto error; 5749 } 5750 } 5751 5752 padding = (macstat & BWN_RX_MAC_PADDING) ? 2 : 0; 5753 totlen = len + padding; 5754 KASSERT(totlen <= MCLBYTES, ("too big..\n")); 5755 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 5756 if (m == NULL) { 5757 device_printf(sc->sc_dev, "%s: out of memory", __func__); 5758 goto error; 5759 } 5760 mp = mtod(m, unsigned char *); 5761 if (prq->prq_rev >= 8) { 5762 bus_read_multi_4(sc->sc_mem_res, 5763 prq->prq_base + BWN_PIO8_RXDATA, (void *)mp, (totlen & ~3)); 5764 if (totlen & 3) { 5765 v32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXDATA); 5766 data = &(mp[totlen - 1]); 5767 switch (totlen & 3) { 5768 case 3: 5769 *data = (v32 >> 16); 5770 data--; 5771 case 2: 5772 *data = (v32 >> 8); 5773 data--; 5774 case 1: 5775 *data = v32; 5776 } 5777 } 5778 } else { 5779 bus_read_multi_2(sc->sc_mem_res, 5780 prq->prq_base + BWN_PIO_RXDATA, (void *)mp, (totlen & ~1)); 5781 if (totlen & 1) { 5782 v16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXDATA); 5783 mp[totlen - 1] = v16; 5784 } 5785 } 5786 5787 m->m_len = m->m_pkthdr.len = totlen; 5788 5789 bwn_rxeof(prq->prq_mac, m, &rxhdr); 5790 5791 return (1); 5792 error: 5793 if (prq->prq_rev >= 8) 5794 bwn_pio_rx_write_4(prq, BWN_PIO8_RXCTL, 5795 BWN_PIO8_RXCTL_DATAREADY); 5796 else 5797 bwn_pio_rx_write_2(prq, BWN_PIO_RXCTL, BWN_PIO_RXCTL_DATAREADY); 5798 return (1); 5799 } 5800 5801 static int 5802 bwn_dma_newbuf(struct bwn_dma_ring *dr, struct bwn_dmadesc_generic *desc, 5803 struct bwn_dmadesc_meta *meta, int init) 5804 { 5805 struct bwn_mac *mac = dr->dr_mac; 5806 struct bwn_dma *dma = &mac->mac_method.dma; 5807 struct bwn_rxhdr4 *hdr; 5808 bus_dmamap_t map; 5809 bus_addr_t paddr; 5810 struct mbuf *m; 5811 int error; 5812 5813 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 5814 if (m == NULL) { 5815 error = ENOBUFS; 5816 5817 /* 5818 * If the NIC is up and running, we need to: 5819 * - Clear RX buffer's header. 5820 * - Restore RX descriptor settings. 5821 */ 5822 if (init) 5823 return (error); 5824 else 5825 goto back; 5826 } 5827 m->m_len = m->m_pkthdr.len = MCLBYTES; 5828 5829 bwn_dma_set_redzone(dr, m); 5830 5831 /* 5832 * Try to load RX buf into temporary DMA map 5833 */ 5834 error = bus_dmamap_load_mbuf(dma->rxbuf_dtag, dr->dr_spare_dmap, m, 5835 bwn_dma_buf_addr, &paddr, BUS_DMA_NOWAIT); 5836 if (error) { 5837 m_freem(m); 5838 5839 /* 5840 * See the comment above 5841 */ 5842 if (init) 5843 return (error); 5844 else 5845 goto back; 5846 } 5847 5848 if (!init) 5849 bus_dmamap_unload(dma->rxbuf_dtag, meta->mt_dmap); 5850 meta->mt_m = m; 5851 meta->mt_paddr = paddr; 5852 5853 /* 5854 * Swap RX buf's DMA map with the loaded temporary one 5855 */ 5856 map = meta->mt_dmap; 5857 meta->mt_dmap = dr->dr_spare_dmap; 5858 dr->dr_spare_dmap = map; 5859 5860 back: 5861 /* 5862 * Clear RX buf header 5863 */ 5864 hdr = mtod(meta->mt_m, struct bwn_rxhdr4 *); 5865 bzero(hdr, sizeof(*hdr)); 5866 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5867 BUS_DMASYNC_PREWRITE); 5868 5869 /* 5870 * Setup RX buf descriptor 5871 */ 5872 dr->setdesc(dr, desc, meta->mt_paddr, meta->mt_m->m_len - 5873 sizeof(*hdr), 0, 0, 0); 5874 return (error); 5875 } 5876 5877 static void 5878 bwn_dma_buf_addr(void *arg, bus_dma_segment_t *seg, int nseg, 5879 bus_size_t mapsz __unused, int error) 5880 { 5881 5882 if (!error) { 5883 KASSERT(nseg == 1, ("too many segments(%d)\n", nseg)); 5884 *((bus_addr_t *)arg) = seg->ds_addr; 5885 } 5886 } 5887 5888 static int 5889 bwn_hwrate2ieeerate(int rate) 5890 { 5891 5892 switch (rate) { 5893 case BWN_CCK_RATE_1MB: 5894 return (2); 5895 case BWN_CCK_RATE_2MB: 5896 return (4); 5897 case BWN_CCK_RATE_5MB: 5898 return (11); 5899 case BWN_CCK_RATE_11MB: 5900 return (22); 5901 case BWN_OFDM_RATE_6MB: 5902 return (12); 5903 case BWN_OFDM_RATE_9MB: 5904 return (18); 5905 case BWN_OFDM_RATE_12MB: 5906 return (24); 5907 case BWN_OFDM_RATE_18MB: 5908 return (36); 5909 case BWN_OFDM_RATE_24MB: 5910 return (48); 5911 case BWN_OFDM_RATE_36MB: 5912 return (72); 5913 case BWN_OFDM_RATE_48MB: 5914 return (96); 5915 case BWN_OFDM_RATE_54MB: 5916 return (108); 5917 default: 5918 printf("Ooops\n"); 5919 return (0); 5920 } 5921 } 5922 5923 /* 5924 * Post process the RX provided RSSI. 5925 * 5926 * Valid for A, B, G, LP PHYs. 5927 */ 5928 static int8_t 5929 bwn_rx_rssi_calc(struct bwn_mac *mac, uint8_t in_rssi, 5930 int ofdm, int adjust_2053, int adjust_2050) 5931 { 5932 struct bwn_phy *phy = &mac->mac_phy; 5933 struct bwn_phy_g *gphy = &phy->phy_g; 5934 int tmp; 5935 5936 switch (phy->rf_ver) { 5937 case 0x2050: 5938 if (ofdm) { 5939 tmp = in_rssi; 5940 if (tmp > 127) 5941 tmp -= 256; 5942 tmp = tmp * 73 / 64; 5943 if (adjust_2050) 5944 tmp += 25; 5945 else 5946 tmp -= 3; 5947 } else { 5948 if (mac->mac_sc->sc_board_info.board_flags 5949 & BHND_BFL_ADCDIV) { 5950 if (in_rssi > 63) 5951 in_rssi = 63; 5952 tmp = gphy->pg_nrssi_lt[in_rssi]; 5953 tmp = (31 - tmp) * -131 / 128 - 57; 5954 } else { 5955 tmp = in_rssi; 5956 tmp = (31 - tmp) * -149 / 128 - 68; 5957 } 5958 if (phy->type == BWN_PHYTYPE_G && adjust_2050) 5959 tmp += 25; 5960 } 5961 break; 5962 case 0x2060: 5963 if (in_rssi > 127) 5964 tmp = in_rssi - 256; 5965 else 5966 tmp = in_rssi; 5967 break; 5968 default: 5969 tmp = in_rssi; 5970 tmp = (tmp - 11) * 103 / 64; 5971 if (adjust_2053) 5972 tmp -= 109; 5973 else 5974 tmp -= 83; 5975 } 5976 5977 return (tmp); 5978 } 5979 5980 static void 5981 bwn_rxeof(struct bwn_mac *mac, struct mbuf *m, const void *_rxhdr) 5982 { 5983 const struct bwn_rxhdr4 *rxhdr = _rxhdr; 5984 struct bwn_plcp6 *plcp; 5985 struct bwn_softc *sc = mac->mac_sc; 5986 struct ieee80211_frame_min *wh; 5987 struct ieee80211_node *ni; 5988 struct ieee80211com *ic = &sc->sc_ic; 5989 uint32_t macstat; 5990 int padding, rate, rssi = 0, noise = 0; 5991 uint16_t phytype, phystat0, phystat3, chanstat; 5992 unsigned char *mp = mtod(m, unsigned char *); 5993 5994 BWN_ASSERT_LOCKED(sc); 5995 5996 phystat0 = le16toh(rxhdr->phy_status0); 5997 5998 /* 5999 * XXX Note: phy_status3 doesn't exist for HT-PHY; it's only 6000 * used for LP-PHY. 6001 */ 6002 phystat3 = le16toh(rxhdr->ps3.lp.phy_status3); 6003 6004 switch (mac->mac_fw.fw_hdr_format) { 6005 case BWN_FW_HDR_351: 6006 case BWN_FW_HDR_410: 6007 macstat = le32toh(rxhdr->ps4.r351.mac_status); 6008 chanstat = le16toh(rxhdr->ps4.r351.channel); 6009 break; 6010 case BWN_FW_HDR_598: 6011 macstat = le32toh(rxhdr->ps4.r598.mac_status); 6012 chanstat = le16toh(rxhdr->ps4.r598.channel); 6013 break; 6014 } 6015 6016 phytype = chanstat & BWN_RX_CHAN_PHYTYPE; 6017 6018 if (macstat & BWN_RX_MAC_FCSERR) 6019 device_printf(sc->sc_dev, "TODO RX: RX_FLAG_FAILED_FCS_CRC\n"); 6020 if (phystat0 & (BWN_RX_PHYST0_PLCPHCF | BWN_RX_PHYST0_PLCPFV)) 6021 device_printf(sc->sc_dev, "TODO RX: RX_FLAG_FAILED_PLCP_CRC\n"); 6022 if (macstat & BWN_RX_MAC_DECERR) 6023 goto drop; 6024 6025 padding = (macstat & BWN_RX_MAC_PADDING) ? 2 : 0; 6026 if (m->m_pkthdr.len < (sizeof(struct bwn_plcp6) + padding)) { 6027 device_printf(sc->sc_dev, "frame too short (length=%d)\n", 6028 m->m_pkthdr.len); 6029 goto drop; 6030 } 6031 plcp = (struct bwn_plcp6 *)(mp + padding); 6032 m_adj(m, sizeof(struct bwn_plcp6) + padding); 6033 if (m->m_pkthdr.len < IEEE80211_MIN_LEN) { 6034 device_printf(sc->sc_dev, "frame too short (length=%d)\n", 6035 m->m_pkthdr.len); 6036 goto drop; 6037 } 6038 wh = mtod(m, struct ieee80211_frame_min *); 6039 6040 if (macstat & BWN_RX_MAC_DEC) { 6041 DPRINTF(sc, BWN_DEBUG_HWCRYPTO, 6042 "RX decryption attempted (old %d keyidx %#x)\n", 6043 BWN_ISOLDFMT(mac), 6044 (macstat & BWN_RX_MAC_KEYIDX) >> BWN_RX_MAC_KEYIDX_SHIFT); 6045 } 6046 6047 if (phystat0 & BWN_RX_PHYST0_OFDM) 6048 rate = bwn_plcp_get_ofdmrate(mac, plcp, 6049 phytype == BWN_PHYTYPE_A); 6050 else 6051 rate = bwn_plcp_get_cckrate(mac, plcp); 6052 if (rate == -1) { 6053 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADPLCP)) 6054 goto drop; 6055 } 6056 sc->sc_rx_rate = bwn_hwrate2ieeerate(rate); 6057 6058 /* rssi/noise */ 6059 switch (phytype) { 6060 case BWN_PHYTYPE_A: 6061 case BWN_PHYTYPE_B: 6062 case BWN_PHYTYPE_G: 6063 case BWN_PHYTYPE_LP: 6064 rssi = bwn_rx_rssi_calc(mac, rxhdr->phy.abg.rssi, 6065 !! (phystat0 & BWN_RX_PHYST0_OFDM), 6066 !! (phystat0 & BWN_RX_PHYST0_GAINCTL), 6067 !! (phystat3 & BWN_RX_PHYST3_TRSTATE)); 6068 break; 6069 case BWN_PHYTYPE_N: 6070 /* Broadcom has code for min/avg, but always used max */ 6071 if (rxhdr->phy.n.power0 == 16 || rxhdr->phy.n.power0 == 32) 6072 rssi = max(rxhdr->phy.n.power1, rxhdr->ps2.n.power2); 6073 else 6074 rssi = max(rxhdr->phy.n.power0, rxhdr->phy.n.power1); 6075 #if 0 6076 DPRINTF(mac->mac_sc, BWN_DEBUG_RECV, 6077 "%s: power0=%d, power1=%d, power2=%d\n", 6078 __func__, 6079 rxhdr->phy.n.power0, 6080 rxhdr->phy.n.power1, 6081 rxhdr->ps2.n.power2); 6082 #endif 6083 break; 6084 default: 6085 /* XXX TODO: implement rssi for other PHYs */ 6086 break; 6087 } 6088 6089 /* 6090 * RSSI here is absolute, not relative to the noise floor. 6091 */ 6092 noise = mac->mac_stats.link_noise; 6093 rssi = rssi - noise; 6094 6095 /* RX radio tap */ 6096 if (ieee80211_radiotap_active(ic)) 6097 bwn_rx_radiotap(mac, m, rxhdr, plcp, rate, rssi, noise); 6098 m_adj(m, -IEEE80211_CRC_LEN); 6099 6100 BWN_UNLOCK(sc); 6101 6102 ni = ieee80211_find_rxnode(ic, wh); 6103 if (ni != NULL) { 6104 ieee80211_input(ni, m, rssi, noise); 6105 ieee80211_free_node(ni); 6106 } else 6107 ieee80211_input_all(ic, m, rssi, noise); 6108 6109 BWN_LOCK(sc); 6110 return; 6111 drop: 6112 device_printf(sc->sc_dev, "%s: dropped\n", __func__); 6113 } 6114 6115 static void 6116 bwn_ratectl_tx_complete(const struct ieee80211_node *ni, 6117 const struct bwn_txstatus *status) 6118 { 6119 struct ieee80211_ratectl_tx_status txs; 6120 int retrycnt = 0; 6121 6122 /* 6123 * If we don't get an ACK, then we should log the 6124 * full framecnt. That may be 0 if it's a PHY 6125 * failure, so ensure that gets logged as some 6126 * retry attempt. 6127 */ 6128 txs.flags = IEEE80211_RATECTL_STATUS_LONG_RETRY; 6129 if (status->ack) { 6130 txs.status = IEEE80211_RATECTL_TX_SUCCESS; 6131 retrycnt = status->framecnt - 1; 6132 } else { 6133 txs.status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED; 6134 retrycnt = status->framecnt; 6135 if (retrycnt == 0) 6136 retrycnt = 1; 6137 } 6138 txs.long_retries = retrycnt; 6139 ieee80211_ratectl_tx_complete(ni, &txs); 6140 } 6141 6142 static void 6143 bwn_dma_handle_txeof(struct bwn_mac *mac, 6144 const struct bwn_txstatus *status) 6145 { 6146 struct bwn_dma *dma = &mac->mac_method.dma; 6147 struct bwn_dma_ring *dr; 6148 struct bwn_dmadesc_generic *desc; 6149 struct bwn_dmadesc_meta *meta; 6150 struct bwn_softc *sc = mac->mac_sc; 6151 int slot; 6152 6153 BWN_ASSERT_LOCKED(sc); 6154 6155 dr = bwn_dma_parse_cookie(mac, status, status->cookie, &slot); 6156 if (dr == NULL) { 6157 device_printf(sc->sc_dev, "failed to parse cookie\n"); 6158 return; 6159 } 6160 KASSERT(dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 6161 6162 while (1) { 6163 KASSERT(slot >= 0 && slot < dr->dr_numslots, 6164 ("%s:%d: fail", __func__, __LINE__)); 6165 dr->getdesc(dr, slot, &desc, &meta); 6166 6167 if (meta->mt_txtype == BWN_DMADESC_METATYPE_HEADER) 6168 bus_dmamap_unload(dr->dr_txring_dtag, meta->mt_dmap); 6169 else if (meta->mt_txtype == BWN_DMADESC_METATYPE_BODY) 6170 bus_dmamap_unload(dma->txbuf_dtag, meta->mt_dmap); 6171 6172 if (meta->mt_islast) { 6173 KASSERT(meta->mt_m != NULL, 6174 ("%s:%d: fail", __func__, __LINE__)); 6175 6176 bwn_ratectl_tx_complete(meta->mt_ni, status); 6177 ieee80211_tx_complete(meta->mt_ni, meta->mt_m, 0); 6178 meta->mt_ni = NULL; 6179 meta->mt_m = NULL; 6180 } else 6181 KASSERT(meta->mt_m == NULL, 6182 ("%s:%d: fail", __func__, __LINE__)); 6183 6184 dr->dr_usedslot--; 6185 if (meta->mt_islast) 6186 break; 6187 slot = bwn_dma_nextslot(dr, slot); 6188 } 6189 sc->sc_watchdog_timer = 0; 6190 if (dr->dr_stop) { 6191 KASSERT(bwn_dma_freeslot(dr) >= BWN_TX_SLOTS_PER_FRAME, 6192 ("%s:%d: fail", __func__, __LINE__)); 6193 dr->dr_stop = 0; 6194 } 6195 } 6196 6197 static void 6198 bwn_pio_handle_txeof(struct bwn_mac *mac, 6199 const struct bwn_txstatus *status) 6200 { 6201 struct bwn_pio_txqueue *tq; 6202 struct bwn_pio_txpkt *tp = NULL; 6203 struct bwn_softc *sc = mac->mac_sc; 6204 6205 BWN_ASSERT_LOCKED(sc); 6206 6207 tq = bwn_pio_parse_cookie(mac, status->cookie, &tp); 6208 if (tq == NULL) 6209 return; 6210 6211 tq->tq_used -= roundup(tp->tp_m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 6212 tq->tq_free++; 6213 6214 if (tp->tp_ni != NULL) { 6215 /* 6216 * Do any tx complete callback. Note this must 6217 * be done before releasing the node reference. 6218 */ 6219 bwn_ratectl_tx_complete(tp->tp_ni, status); 6220 } 6221 ieee80211_tx_complete(tp->tp_ni, tp->tp_m, 0); 6222 tp->tp_ni = NULL; 6223 tp->tp_m = NULL; 6224 TAILQ_INSERT_TAIL(&tq->tq_pktlist, tp, tp_list); 6225 6226 sc->sc_watchdog_timer = 0; 6227 } 6228 6229 static void 6230 bwn_phy_txpower_check(struct bwn_mac *mac, uint32_t flags) 6231 { 6232 struct bwn_softc *sc = mac->mac_sc; 6233 struct bwn_phy *phy = &mac->mac_phy; 6234 struct ieee80211com *ic = &sc->sc_ic; 6235 unsigned long now; 6236 bwn_txpwr_result_t result; 6237 6238 BWN_GETTIME(now); 6239 6240 if (!(flags & BWN_TXPWR_IGNORE_TIME) && ieee80211_time_before(now, phy->nexttime)) 6241 return; 6242 phy->nexttime = now + 2 * 1000; 6243 6244 if (sc->sc_board_info.board_vendor == PCI_VENDOR_BROADCOM && 6245 sc->sc_board_info.board_type == BHND_BOARD_BU4306) 6246 return; 6247 6248 if (phy->recalc_txpwr != NULL) { 6249 result = phy->recalc_txpwr(mac, 6250 (flags & BWN_TXPWR_IGNORE_TSSI) ? 1 : 0); 6251 if (result == BWN_TXPWR_RES_DONE) 6252 return; 6253 KASSERT(result == BWN_TXPWR_RES_NEED_ADJUST, 6254 ("%s: fail", __func__)); 6255 KASSERT(phy->set_txpwr != NULL, ("%s: fail", __func__)); 6256 6257 ieee80211_runtask(ic, &mac->mac_txpower); 6258 } 6259 } 6260 6261 static uint16_t 6262 bwn_pio_rx_read_2(struct bwn_pio_rxqueue *prq, uint16_t offset) 6263 { 6264 6265 return (BWN_READ_2(prq->prq_mac, prq->prq_base + offset)); 6266 } 6267 6268 static uint32_t 6269 bwn_pio_rx_read_4(struct bwn_pio_rxqueue *prq, uint16_t offset) 6270 { 6271 6272 return (BWN_READ_4(prq->prq_mac, prq->prq_base + offset)); 6273 } 6274 6275 static void 6276 bwn_pio_rx_write_2(struct bwn_pio_rxqueue *prq, uint16_t offset, uint16_t value) 6277 { 6278 6279 BWN_WRITE_2(prq->prq_mac, prq->prq_base + offset, value); 6280 } 6281 6282 static void 6283 bwn_pio_rx_write_4(struct bwn_pio_rxqueue *prq, uint16_t offset, uint32_t value) 6284 { 6285 6286 BWN_WRITE_4(prq->prq_mac, prq->prq_base + offset, value); 6287 } 6288 6289 static int 6290 bwn_ieeerate2hwrate(struct bwn_softc *sc, int rate) 6291 { 6292 6293 switch (rate) { 6294 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 6295 case 12: 6296 return (BWN_OFDM_RATE_6MB); 6297 case 18: 6298 return (BWN_OFDM_RATE_9MB); 6299 case 24: 6300 return (BWN_OFDM_RATE_12MB); 6301 case 36: 6302 return (BWN_OFDM_RATE_18MB); 6303 case 48: 6304 return (BWN_OFDM_RATE_24MB); 6305 case 72: 6306 return (BWN_OFDM_RATE_36MB); 6307 case 96: 6308 return (BWN_OFDM_RATE_48MB); 6309 case 108: 6310 return (BWN_OFDM_RATE_54MB); 6311 /* CCK rates (NB: not IEEE std, device-specific) */ 6312 case 2: 6313 return (BWN_CCK_RATE_1MB); 6314 case 4: 6315 return (BWN_CCK_RATE_2MB); 6316 case 11: 6317 return (BWN_CCK_RATE_5MB); 6318 case 22: 6319 return (BWN_CCK_RATE_11MB); 6320 } 6321 6322 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 6323 return (BWN_CCK_RATE_1MB); 6324 } 6325 6326 static uint16_t 6327 bwn_set_txhdr_phyctl1(struct bwn_mac *mac, uint8_t bitrate) 6328 { 6329 struct bwn_phy *phy = &mac->mac_phy; 6330 uint16_t control = 0; 6331 uint16_t bw; 6332 6333 /* XXX TODO: this is for LP phy, what about N-PHY, etc? */ 6334 bw = BWN_TXH_PHY1_BW_20; 6335 6336 if (BWN_ISCCKRATE(bitrate) && phy->type != BWN_PHYTYPE_LP) { 6337 control = bw; 6338 } else { 6339 control = bw; 6340 /* Figure out coding rate and modulation */ 6341 /* XXX TODO: table-ize, for MCS transmit */ 6342 /* Note: this is BWN_*_RATE values */ 6343 switch (bitrate) { 6344 case BWN_CCK_RATE_1MB: 6345 control |= 0; 6346 break; 6347 case BWN_CCK_RATE_2MB: 6348 control |= 1; 6349 break; 6350 case BWN_CCK_RATE_5MB: 6351 control |= 2; 6352 break; 6353 case BWN_CCK_RATE_11MB: 6354 control |= 3; 6355 break; 6356 case BWN_OFDM_RATE_6MB: 6357 control |= BWN_TXH_PHY1_CRATE_1_2; 6358 control |= BWN_TXH_PHY1_MODUL_BPSK; 6359 break; 6360 case BWN_OFDM_RATE_9MB: 6361 control |= BWN_TXH_PHY1_CRATE_3_4; 6362 control |= BWN_TXH_PHY1_MODUL_BPSK; 6363 break; 6364 case BWN_OFDM_RATE_12MB: 6365 control |= BWN_TXH_PHY1_CRATE_1_2; 6366 control |= BWN_TXH_PHY1_MODUL_QPSK; 6367 break; 6368 case BWN_OFDM_RATE_18MB: 6369 control |= BWN_TXH_PHY1_CRATE_3_4; 6370 control |= BWN_TXH_PHY1_MODUL_QPSK; 6371 break; 6372 case BWN_OFDM_RATE_24MB: 6373 control |= BWN_TXH_PHY1_CRATE_1_2; 6374 control |= BWN_TXH_PHY1_MODUL_QAM16; 6375 break; 6376 case BWN_OFDM_RATE_36MB: 6377 control |= BWN_TXH_PHY1_CRATE_3_4; 6378 control |= BWN_TXH_PHY1_MODUL_QAM16; 6379 break; 6380 case BWN_OFDM_RATE_48MB: 6381 control |= BWN_TXH_PHY1_CRATE_1_2; 6382 control |= BWN_TXH_PHY1_MODUL_QAM64; 6383 break; 6384 case BWN_OFDM_RATE_54MB: 6385 control |= BWN_TXH_PHY1_CRATE_3_4; 6386 control |= BWN_TXH_PHY1_MODUL_QAM64; 6387 break; 6388 default: 6389 break; 6390 } 6391 control |= BWN_TXH_PHY1_MODE_SISO; 6392 } 6393 6394 return control; 6395 } 6396 6397 static int 6398 bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni, 6399 struct mbuf *m, struct bwn_txhdr *txhdr, uint16_t cookie) 6400 { 6401 const struct bwn_phy *phy = &mac->mac_phy; 6402 struct bwn_softc *sc = mac->mac_sc; 6403 struct ieee80211_frame *wh; 6404 struct ieee80211_frame *protwh; 6405 const struct ieee80211_txparam *tp = ni->ni_txparms; 6406 struct ieee80211vap *vap = ni->ni_vap; 6407 struct ieee80211com *ic = &sc->sc_ic; 6408 struct mbuf *mprot; 6409 uint8_t *prot_ptr; 6410 unsigned int len; 6411 uint32_t macctl = 0; 6412 int rts_rate, rts_rate_fb, ismcast, isshort, rix, type; 6413 uint16_t phyctl = 0; 6414 uint8_t rate, rate_fb; 6415 int fill_phy_ctl1 = 0; 6416 6417 wh = mtod(m, struct ieee80211_frame *); 6418 memset(txhdr, 0, sizeof(*txhdr)); 6419 6420 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 6421 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 6422 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 6423 6424 if ((phy->type == BWN_PHYTYPE_N) || (phy->type == BWN_PHYTYPE_LP) 6425 || (phy->type == BWN_PHYTYPE_HT)) 6426 fill_phy_ctl1 = 1; 6427 6428 /* 6429 * Find TX rate 6430 */ 6431 if (type != IEEE80211_FC0_TYPE_DATA || (m->m_flags & M_EAPOL)) 6432 rate = rate_fb = tp->mgmtrate; 6433 else if (ismcast) 6434 rate = rate_fb = tp->mcastrate; 6435 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 6436 rate = rate_fb = tp->ucastrate; 6437 else { 6438 rix = ieee80211_ratectl_rate(ni, NULL, 0); 6439 rate = ni->ni_txrate; 6440 6441 if (rix > 0) 6442 rate_fb = ni->ni_rates.rs_rates[rix - 1] & 6443 IEEE80211_RATE_VAL; 6444 else 6445 rate_fb = rate; 6446 } 6447 6448 sc->sc_tx_rate = rate; 6449 6450 /* Note: this maps the select ieee80211 rate to hardware rate */ 6451 rate = bwn_ieeerate2hwrate(sc, rate); 6452 rate_fb = bwn_ieeerate2hwrate(sc, rate_fb); 6453 6454 txhdr->phyrate = (BWN_ISOFDMRATE(rate)) ? bwn_plcp_getofdm(rate) : 6455 bwn_plcp_getcck(rate); 6456 bcopy(wh->i_fc, txhdr->macfc, sizeof(txhdr->macfc)); 6457 bcopy(wh->i_addr1, txhdr->addr1, IEEE80211_ADDR_LEN); 6458 6459 /* XXX rate/rate_fb is the hardware rate */ 6460 if ((rate_fb == rate) || 6461 (*(u_int16_t *)wh->i_dur & htole16(0x8000)) || 6462 (*(u_int16_t *)wh->i_dur == htole16(0))) 6463 txhdr->dur_fb = *(u_int16_t *)wh->i_dur; 6464 else 6465 txhdr->dur_fb = ieee80211_compute_duration(ic->ic_rt, 6466 m->m_pkthdr.len, rate, isshort); 6467 6468 /* XXX TX encryption */ 6469 6470 switch (mac->mac_fw.fw_hdr_format) { 6471 case BWN_FW_HDR_351: 6472 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r351.plcp), 6473 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6474 break; 6475 case BWN_FW_HDR_410: 6476 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r410.plcp), 6477 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6478 break; 6479 case BWN_FW_HDR_598: 6480 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r598.plcp), 6481 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6482 break; 6483 } 6484 6485 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->plcp_fb), 6486 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate_fb); 6487 6488 txhdr->eftypes |= (BWN_ISOFDMRATE(rate_fb)) ? BWN_TX_EFT_FB_OFDM : 6489 BWN_TX_EFT_FB_CCK; 6490 txhdr->chan = phy->chan; 6491 phyctl |= (BWN_ISOFDMRATE(rate)) ? BWN_TX_PHY_ENC_OFDM : 6492 BWN_TX_PHY_ENC_CCK; 6493 /* XXX preamble? obey net80211 */ 6494 if (isshort && (rate == BWN_CCK_RATE_2MB || rate == BWN_CCK_RATE_5MB || 6495 rate == BWN_CCK_RATE_11MB)) 6496 phyctl |= BWN_TX_PHY_SHORTPRMBL; 6497 6498 if (! phy->gmode) 6499 macctl |= BWN_TX_MAC_5GHZ; 6500 6501 /* XXX TX antenna selection */ 6502 6503 switch (bwn_antenna_sanitize(mac, 0)) { 6504 case 0: 6505 phyctl |= BWN_TX_PHY_ANT01AUTO; 6506 break; 6507 case 1: 6508 phyctl |= BWN_TX_PHY_ANT0; 6509 break; 6510 case 2: 6511 phyctl |= BWN_TX_PHY_ANT1; 6512 break; 6513 case 3: 6514 phyctl |= BWN_TX_PHY_ANT2; 6515 break; 6516 case 4: 6517 phyctl |= BWN_TX_PHY_ANT3; 6518 break; 6519 default: 6520 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6521 } 6522 6523 if (!ismcast) 6524 macctl |= BWN_TX_MAC_ACK; 6525 6526 macctl |= (BWN_TX_MAC_HWSEQ | BWN_TX_MAC_START_MSDU); 6527 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 6528 m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 6529 macctl |= BWN_TX_MAC_LONGFRAME; 6530 6531 if ((ic->ic_flags & IEEE80211_F_USEPROT) && 6532 ic->ic_protmode != IEEE80211_PROT_NONE) { 6533 /* Note: don't fall back to CCK rates for 5G */ 6534 if (phy->gmode) 6535 rts_rate = BWN_CCK_RATE_1MB; 6536 else 6537 rts_rate = BWN_OFDM_RATE_6MB; 6538 rts_rate_fb = bwn_get_fbrate(rts_rate); 6539 6540 /* XXX 'rate' here is hardware rate now, not the net80211 rate */ 6541 mprot = ieee80211_alloc_prot(ni, m, rate, ic->ic_protmode); 6542 if (mprot == NULL) { 6543 if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS, 1); 6544 device_printf(sc->sc_dev, 6545 "could not allocate mbuf for protection mode %d\n", 6546 ic->ic_protmode); 6547 return (ENOBUFS); 6548 } 6549 6550 switch (mac->mac_fw.fw_hdr_format) { 6551 case BWN_FW_HDR_351: 6552 prot_ptr = txhdr->body.r351.rts_frame; 6553 break; 6554 case BWN_FW_HDR_410: 6555 prot_ptr = txhdr->body.r410.rts_frame; 6556 break; 6557 case BWN_FW_HDR_598: 6558 prot_ptr = txhdr->body.r598.rts_frame; 6559 break; 6560 } 6561 6562 bcopy(mtod(mprot, uint8_t *), prot_ptr, mprot->m_pkthdr.len); 6563 m_freem(mprot); 6564 6565 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 6566 macctl |= BWN_TX_MAC_SEND_CTSTOSELF; 6567 len = sizeof(struct ieee80211_frame_cts); 6568 } else { 6569 macctl |= BWN_TX_MAC_SEND_RTSCTS; 6570 len = sizeof(struct ieee80211_frame_rts); 6571 } 6572 len += IEEE80211_CRC_LEN; 6573 6574 switch (mac->mac_fw.fw_hdr_format) { 6575 case BWN_FW_HDR_351: 6576 bwn_plcp_genhdr((struct bwn_plcp4 *) 6577 &txhdr->body.r351.rts_plcp, len, rts_rate); 6578 break; 6579 case BWN_FW_HDR_410: 6580 bwn_plcp_genhdr((struct bwn_plcp4 *) 6581 &txhdr->body.r410.rts_plcp, len, rts_rate); 6582 break; 6583 case BWN_FW_HDR_598: 6584 bwn_plcp_genhdr((struct bwn_plcp4 *) 6585 &txhdr->body.r598.rts_plcp, len, rts_rate); 6586 break; 6587 } 6588 6589 bwn_plcp_genhdr((struct bwn_plcp4 *)&txhdr->rts_plcp_fb, len, 6590 rts_rate_fb); 6591 6592 switch (mac->mac_fw.fw_hdr_format) { 6593 case BWN_FW_HDR_351: 6594 protwh = (struct ieee80211_frame *) 6595 &txhdr->body.r351.rts_frame; 6596 break; 6597 case BWN_FW_HDR_410: 6598 protwh = (struct ieee80211_frame *) 6599 &txhdr->body.r410.rts_frame; 6600 break; 6601 case BWN_FW_HDR_598: 6602 protwh = (struct ieee80211_frame *) 6603 &txhdr->body.r598.rts_frame; 6604 break; 6605 } 6606 6607 txhdr->rts_dur_fb = *(u_int16_t *)protwh->i_dur; 6608 6609 if (BWN_ISOFDMRATE(rts_rate)) { 6610 txhdr->eftypes |= BWN_TX_EFT_RTS_OFDM; 6611 txhdr->phyrate_rts = bwn_plcp_getofdm(rts_rate); 6612 } else { 6613 txhdr->eftypes |= BWN_TX_EFT_RTS_CCK; 6614 txhdr->phyrate_rts = bwn_plcp_getcck(rts_rate); 6615 } 6616 txhdr->eftypes |= (BWN_ISOFDMRATE(rts_rate_fb)) ? 6617 BWN_TX_EFT_RTS_FBOFDM : BWN_TX_EFT_RTS_FBCCK; 6618 6619 if (fill_phy_ctl1) { 6620 txhdr->phyctl_1rts = htole16(bwn_set_txhdr_phyctl1(mac, rts_rate)); 6621 txhdr->phyctl_1rtsfb = htole16(bwn_set_txhdr_phyctl1(mac, rts_rate_fb)); 6622 } 6623 } 6624 6625 if (fill_phy_ctl1) { 6626 txhdr->phyctl_1 = htole16(bwn_set_txhdr_phyctl1(mac, rate)); 6627 txhdr->phyctl_1fb = htole16(bwn_set_txhdr_phyctl1(mac, rate_fb)); 6628 } 6629 6630 switch (mac->mac_fw.fw_hdr_format) { 6631 case BWN_FW_HDR_351: 6632 txhdr->body.r351.cookie = htole16(cookie); 6633 break; 6634 case BWN_FW_HDR_410: 6635 txhdr->body.r410.cookie = htole16(cookie); 6636 break; 6637 case BWN_FW_HDR_598: 6638 txhdr->body.r598.cookie = htole16(cookie); 6639 break; 6640 } 6641 6642 txhdr->macctl = htole32(macctl); 6643 txhdr->phyctl = htole16(phyctl); 6644 6645 /* 6646 * TX radio tap 6647 */ 6648 if (ieee80211_radiotap_active_vap(vap)) { 6649 sc->sc_tx_th.wt_flags = 0; 6650 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 6651 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP; 6652 if (isshort && 6653 (rate == BWN_CCK_RATE_2MB || rate == BWN_CCK_RATE_5MB || 6654 rate == BWN_CCK_RATE_11MB)) 6655 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 6656 sc->sc_tx_th.wt_rate = rate; 6657 6658 ieee80211_radiotap_tx(vap, m); 6659 } 6660 6661 return (0); 6662 } 6663 6664 static void 6665 bwn_plcp_genhdr(struct bwn_plcp4 *plcp, const uint16_t octets, 6666 const uint8_t rate) 6667 { 6668 uint32_t d, plen; 6669 uint8_t *raw = plcp->o.raw; 6670 6671 if (BWN_ISOFDMRATE(rate)) { 6672 d = bwn_plcp_getofdm(rate); 6673 KASSERT(!(octets & 0xf000), 6674 ("%s:%d: fail", __func__, __LINE__)); 6675 d |= (octets << 5); 6676 plcp->o.data = htole32(d); 6677 } else { 6678 plen = octets * 16 / rate; 6679 if ((octets * 16 % rate) > 0) { 6680 plen++; 6681 if ((rate == BWN_CCK_RATE_11MB) 6682 && ((octets * 8 % 11) < 4)) { 6683 raw[1] = 0x84; 6684 } else 6685 raw[1] = 0x04; 6686 } else 6687 raw[1] = 0x04; 6688 plcp->o.data |= htole32(plen << 16); 6689 raw[0] = bwn_plcp_getcck(rate); 6690 } 6691 } 6692 6693 static uint8_t 6694 bwn_antenna_sanitize(struct bwn_mac *mac, uint8_t n) 6695 { 6696 struct bwn_softc *sc = mac->mac_sc; 6697 uint8_t mask; 6698 6699 if (n == 0) 6700 return (0); 6701 if (mac->mac_phy.gmode) 6702 mask = sc->sc_ant2g; 6703 else 6704 mask = sc->sc_ant5g; 6705 if (!(mask & (1 << (n - 1)))) 6706 return (0); 6707 return (n); 6708 } 6709 6710 /* 6711 * Return a fallback rate for the given rate. 6712 * 6713 * Note: Don't fall back from OFDM to CCK. 6714 */ 6715 static uint8_t 6716 bwn_get_fbrate(uint8_t bitrate) 6717 { 6718 switch (bitrate) { 6719 /* CCK */ 6720 case BWN_CCK_RATE_1MB: 6721 return (BWN_CCK_RATE_1MB); 6722 case BWN_CCK_RATE_2MB: 6723 return (BWN_CCK_RATE_1MB); 6724 case BWN_CCK_RATE_5MB: 6725 return (BWN_CCK_RATE_2MB); 6726 case BWN_CCK_RATE_11MB: 6727 return (BWN_CCK_RATE_5MB); 6728 6729 /* OFDM */ 6730 case BWN_OFDM_RATE_6MB: 6731 return (BWN_OFDM_RATE_6MB); 6732 case BWN_OFDM_RATE_9MB: 6733 return (BWN_OFDM_RATE_6MB); 6734 case BWN_OFDM_RATE_12MB: 6735 return (BWN_OFDM_RATE_9MB); 6736 case BWN_OFDM_RATE_18MB: 6737 return (BWN_OFDM_RATE_12MB); 6738 case BWN_OFDM_RATE_24MB: 6739 return (BWN_OFDM_RATE_18MB); 6740 case BWN_OFDM_RATE_36MB: 6741 return (BWN_OFDM_RATE_24MB); 6742 case BWN_OFDM_RATE_48MB: 6743 return (BWN_OFDM_RATE_36MB); 6744 case BWN_OFDM_RATE_54MB: 6745 return (BWN_OFDM_RATE_48MB); 6746 } 6747 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6748 return (0); 6749 } 6750 6751 static uint32_t 6752 bwn_pio_write_multi_4(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6753 uint32_t ctl, const void *_data, int len) 6754 { 6755 struct bwn_softc *sc = mac->mac_sc; 6756 uint32_t value = 0; 6757 const uint8_t *data = _data; 6758 6759 ctl |= BWN_PIO8_TXCTL_0_7 | BWN_PIO8_TXCTL_8_15 | 6760 BWN_PIO8_TXCTL_16_23 | BWN_PIO8_TXCTL_24_31; 6761 bwn_pio_write_4(mac, tq, BWN_PIO8_TXCTL, ctl); 6762 6763 bus_write_multi_4(sc->sc_mem_res, tq->tq_base + BWN_PIO8_TXDATA, 6764 __DECONST(void *, data), (len & ~3)); 6765 if (len & 3) { 6766 ctl &= ~(BWN_PIO8_TXCTL_8_15 | BWN_PIO8_TXCTL_16_23 | 6767 BWN_PIO8_TXCTL_24_31); 6768 data = &(data[len - 1]); 6769 switch (len & 3) { 6770 case 3: 6771 ctl |= BWN_PIO8_TXCTL_16_23; 6772 value |= (uint32_t)(*data) << 16; 6773 data--; 6774 case 2: 6775 ctl |= BWN_PIO8_TXCTL_8_15; 6776 value |= (uint32_t)(*data) << 8; 6777 data--; 6778 case 1: 6779 value |= (uint32_t)(*data); 6780 } 6781 bwn_pio_write_4(mac, tq, BWN_PIO8_TXCTL, ctl); 6782 bwn_pio_write_4(mac, tq, BWN_PIO8_TXDATA, value); 6783 } 6784 6785 return (ctl); 6786 } 6787 6788 static void 6789 bwn_pio_write_4(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6790 uint16_t offset, uint32_t value) 6791 { 6792 6793 BWN_WRITE_4(mac, tq->tq_base + offset, value); 6794 } 6795 6796 static uint16_t 6797 bwn_pio_write_multi_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6798 uint16_t ctl, const void *_data, int len) 6799 { 6800 struct bwn_softc *sc = mac->mac_sc; 6801 const uint8_t *data = _data; 6802 6803 ctl |= BWN_PIO_TXCTL_WRITELO | BWN_PIO_TXCTL_WRITEHI; 6804 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6805 6806 bus_write_multi_2(sc->sc_mem_res, tq->tq_base + BWN_PIO_TXDATA, 6807 __DECONST(void *, data), (len & ~1)); 6808 if (len & 1) { 6809 ctl &= ~BWN_PIO_TXCTL_WRITEHI; 6810 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6811 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data[len - 1]); 6812 } 6813 6814 return (ctl); 6815 } 6816 6817 static uint16_t 6818 bwn_pio_write_mbuf_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6819 uint16_t ctl, struct mbuf *m0) 6820 { 6821 int i, j = 0; 6822 uint16_t data = 0; 6823 const uint8_t *buf; 6824 struct mbuf *m = m0; 6825 6826 ctl |= BWN_PIO_TXCTL_WRITELO | BWN_PIO_TXCTL_WRITEHI; 6827 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6828 6829 for (; m != NULL; m = m->m_next) { 6830 buf = mtod(m, const uint8_t *); 6831 for (i = 0; i < m->m_len; i++) { 6832 if (!((j++) % 2)) 6833 data |= buf[i]; 6834 else { 6835 data |= (buf[i] << 8); 6836 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data); 6837 data = 0; 6838 } 6839 } 6840 } 6841 if (m0->m_pkthdr.len % 2) { 6842 ctl &= ~BWN_PIO_TXCTL_WRITEHI; 6843 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6844 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data); 6845 } 6846 6847 return (ctl); 6848 } 6849 6850 static void 6851 bwn_set_slot_time(struct bwn_mac *mac, uint16_t time) 6852 { 6853 6854 /* XXX should exit if 5GHz band .. */ 6855 if (mac->mac_phy.type != BWN_PHYTYPE_G) 6856 return; 6857 6858 BWN_WRITE_2(mac, 0x684, 510 + time); 6859 /* Disabled in Linux b43, can adversely effect performance */ 6860 #if 0 6861 bwn_shm_write_2(mac, BWN_SHARED, 0x0010, time); 6862 #endif 6863 } 6864 6865 static struct bwn_dma_ring * 6866 bwn_dma_select(struct bwn_mac *mac, uint8_t prio) 6867 { 6868 6869 if ((mac->mac_flags & BWN_MAC_FLAG_WME) == 0) 6870 return (mac->mac_method.dma.wme[WME_AC_BE]); 6871 6872 switch (prio) { 6873 case 3: 6874 return (mac->mac_method.dma.wme[WME_AC_VO]); 6875 case 2: 6876 return (mac->mac_method.dma.wme[WME_AC_VI]); 6877 case 0: 6878 return (mac->mac_method.dma.wme[WME_AC_BE]); 6879 case 1: 6880 return (mac->mac_method.dma.wme[WME_AC_BK]); 6881 } 6882 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6883 return (NULL); 6884 } 6885 6886 static int 6887 bwn_dma_getslot(struct bwn_dma_ring *dr) 6888 { 6889 int slot; 6890 6891 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 6892 6893 KASSERT(dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 6894 KASSERT(!(dr->dr_stop), ("%s:%d: fail", __func__, __LINE__)); 6895 KASSERT(bwn_dma_freeslot(dr) != 0, ("%s:%d: fail", __func__, __LINE__)); 6896 6897 slot = bwn_dma_nextslot(dr, dr->dr_curslot); 6898 KASSERT(!(slot & ~0x0fff), ("%s:%d: fail", __func__, __LINE__)); 6899 dr->dr_curslot = slot; 6900 dr->dr_usedslot++; 6901 6902 return (slot); 6903 } 6904 6905 static struct bwn_pio_txqueue * 6906 bwn_pio_parse_cookie(struct bwn_mac *mac, uint16_t cookie, 6907 struct bwn_pio_txpkt **pack) 6908 { 6909 struct bwn_pio *pio = &mac->mac_method.pio; 6910 struct bwn_pio_txqueue *tq = NULL; 6911 unsigned int index; 6912 6913 switch (cookie & 0xf000) { 6914 case 0x1000: 6915 tq = &pio->wme[WME_AC_BK]; 6916 break; 6917 case 0x2000: 6918 tq = &pio->wme[WME_AC_BE]; 6919 break; 6920 case 0x3000: 6921 tq = &pio->wme[WME_AC_VI]; 6922 break; 6923 case 0x4000: 6924 tq = &pio->wme[WME_AC_VO]; 6925 break; 6926 case 0x5000: 6927 tq = &pio->mcast; 6928 break; 6929 } 6930 KASSERT(tq != NULL, ("%s:%d: fail", __func__, __LINE__)); 6931 if (tq == NULL) 6932 return (NULL); 6933 index = (cookie & 0x0fff); 6934 KASSERT(index < N(tq->tq_pkts), ("%s:%d: fail", __func__, __LINE__)); 6935 if (index >= N(tq->tq_pkts)) 6936 return (NULL); 6937 *pack = &tq->tq_pkts[index]; 6938 KASSERT(*pack != NULL, ("%s:%d: fail", __func__, __LINE__)); 6939 return (tq); 6940 } 6941 6942 static void 6943 bwn_txpwr(void *arg, int npending) 6944 { 6945 struct bwn_mac *mac = arg; 6946 struct bwn_softc *sc; 6947 6948 if (mac == NULL) 6949 return; 6950 6951 sc = mac->mac_sc; 6952 6953 BWN_LOCK(sc); 6954 if (mac->mac_status >= BWN_MAC_STATUS_STARTED && 6955 mac->mac_phy.set_txpwr != NULL) 6956 mac->mac_phy.set_txpwr(mac); 6957 BWN_UNLOCK(sc); 6958 } 6959 6960 static void 6961 bwn_task_15s(struct bwn_mac *mac) 6962 { 6963 uint16_t reg; 6964 6965 if (mac->mac_fw.opensource) { 6966 reg = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_WATCHDOG_REG); 6967 if (reg) { 6968 bwn_restart(mac, "fw watchdog"); 6969 return; 6970 } 6971 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_WATCHDOG_REG, 1); 6972 } 6973 if (mac->mac_phy.task_15s) 6974 mac->mac_phy.task_15s(mac); 6975 6976 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 6977 } 6978 6979 static void 6980 bwn_task_30s(struct bwn_mac *mac) 6981 { 6982 6983 if (mac->mac_phy.type != BWN_PHYTYPE_G || mac->mac_noise.noi_running) 6984 return; 6985 mac->mac_noise.noi_running = 1; 6986 mac->mac_noise.noi_nsamples = 0; 6987 6988 bwn_noise_gensample(mac); 6989 } 6990 6991 static void 6992 bwn_task_60s(struct bwn_mac *mac) 6993 { 6994 6995 if (mac->mac_phy.task_60s) 6996 mac->mac_phy.task_60s(mac); 6997 bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME); 6998 } 6999 7000 static void 7001 bwn_tasks(void *arg) 7002 { 7003 struct bwn_mac *mac = arg; 7004 struct bwn_softc *sc = mac->mac_sc; 7005 7006 BWN_ASSERT_LOCKED(sc); 7007 if (mac->mac_status != BWN_MAC_STATUS_STARTED) 7008 return; 7009 7010 if (mac->mac_task_state % 4 == 0) 7011 bwn_task_60s(mac); 7012 if (mac->mac_task_state % 2 == 0) 7013 bwn_task_30s(mac); 7014 bwn_task_15s(mac); 7015 7016 mac->mac_task_state++; 7017 callout_reset(&sc->sc_task_ch, hz * 15, bwn_tasks, mac); 7018 } 7019 7020 static int 7021 bwn_plcp_get_ofdmrate(struct bwn_mac *mac, struct bwn_plcp6 *plcp, uint8_t a) 7022 { 7023 struct bwn_softc *sc = mac->mac_sc; 7024 7025 KASSERT(a == 0, ("not support APHY\n")); 7026 7027 switch (plcp->o.raw[0] & 0xf) { 7028 case 0xb: 7029 return (BWN_OFDM_RATE_6MB); 7030 case 0xf: 7031 return (BWN_OFDM_RATE_9MB); 7032 case 0xa: 7033 return (BWN_OFDM_RATE_12MB); 7034 case 0xe: 7035 return (BWN_OFDM_RATE_18MB); 7036 case 0x9: 7037 return (BWN_OFDM_RATE_24MB); 7038 case 0xd: 7039 return (BWN_OFDM_RATE_36MB); 7040 case 0x8: 7041 return (BWN_OFDM_RATE_48MB); 7042 case 0xc: 7043 return (BWN_OFDM_RATE_54MB); 7044 } 7045 device_printf(sc->sc_dev, "incorrect OFDM rate %d\n", 7046 plcp->o.raw[0] & 0xf); 7047 return (-1); 7048 } 7049 7050 static int 7051 bwn_plcp_get_cckrate(struct bwn_mac *mac, struct bwn_plcp6 *plcp) 7052 { 7053 struct bwn_softc *sc = mac->mac_sc; 7054 7055 switch (plcp->o.raw[0]) { 7056 case 0x0a: 7057 return (BWN_CCK_RATE_1MB); 7058 case 0x14: 7059 return (BWN_CCK_RATE_2MB); 7060 case 0x37: 7061 return (BWN_CCK_RATE_5MB); 7062 case 0x6e: 7063 return (BWN_CCK_RATE_11MB); 7064 } 7065 device_printf(sc->sc_dev, "incorrect CCK rate %d\n", plcp->o.raw[0]); 7066 return (-1); 7067 } 7068 7069 static void 7070 bwn_rx_radiotap(struct bwn_mac *mac, struct mbuf *m, 7071 const struct bwn_rxhdr4 *rxhdr, struct bwn_plcp6 *plcp, int rate, 7072 int rssi, int noise) 7073 { 7074 struct bwn_softc *sc = mac->mac_sc; 7075 const struct ieee80211_frame_min *wh; 7076 uint64_t tsf; 7077 uint16_t low_mactime_now; 7078 uint16_t mt; 7079 7080 if (htole16(rxhdr->phy_status0) & BWN_RX_PHYST0_SHORTPRMBL) 7081 sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 7082 7083 wh = mtod(m, const struct ieee80211_frame_min *); 7084 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 7085 sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_WEP; 7086 7087 bwn_tsf_read(mac, &tsf); 7088 low_mactime_now = tsf; 7089 tsf = tsf & ~0xffffULL; 7090 7091 switch (mac->mac_fw.fw_hdr_format) { 7092 case BWN_FW_HDR_351: 7093 case BWN_FW_HDR_410: 7094 mt = le16toh(rxhdr->ps4.r351.mac_time); 7095 break; 7096 case BWN_FW_HDR_598: 7097 mt = le16toh(rxhdr->ps4.r598.mac_time); 7098 break; 7099 } 7100 7101 tsf += mt; 7102 if (low_mactime_now < mt) 7103 tsf -= 0x10000; 7104 7105 sc->sc_rx_th.wr_tsf = tsf; 7106 sc->sc_rx_th.wr_rate = rate; 7107 sc->sc_rx_th.wr_antsignal = rssi; 7108 sc->sc_rx_th.wr_antnoise = noise; 7109 } 7110 7111 static void 7112 bwn_tsf_read(struct bwn_mac *mac, uint64_t *tsf) 7113 { 7114 uint32_t low, high; 7115 7116 KASSERT(bhnd_get_hwrev(mac->mac_sc->sc_dev) >= 3, 7117 ("%s:%d: fail", __func__, __LINE__)); 7118 7119 low = BWN_READ_4(mac, BWN_REV3PLUS_TSF_LOW); 7120 high = BWN_READ_4(mac, BWN_REV3PLUS_TSF_HIGH); 7121 *tsf = high; 7122 *tsf <<= 32; 7123 *tsf |= low; 7124 } 7125 7126 static int 7127 bwn_dma_attach(struct bwn_mac *mac) 7128 { 7129 struct bwn_dma *dma; 7130 struct bwn_softc *sc; 7131 struct bhnd_dma_translation *dt, dma_translation; 7132 bhnd_addr_t addrext_req; 7133 bus_dma_tag_t dmat; 7134 bus_addr_t lowaddr; 7135 u_int addrext_shift, addr_width; 7136 int error; 7137 7138 dma = &mac->mac_method.dma; 7139 sc = mac->mac_sc; 7140 dt = NULL; 7141 7142 if (sc->sc_quirks & BWN_QUIRK_NODMA) 7143 return (0); 7144 7145 KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 5, ("%s: fail", __func__)); 7146 7147 /* Use the DMA engine's maximum host address width to determine the 7148 * addrext constraints, and supported device address width. */ 7149 switch (mac->mac_dmatype) { 7150 case BHND_DMA_ADDR_30BIT: 7151 /* 32-bit engine without addrext support */ 7152 addrext_req = 0x0; 7153 addrext_shift = 0; 7154 7155 /* We can address the full 32-bit device address space */ 7156 addr_width = BHND_DMA_ADDR_32BIT; 7157 break; 7158 7159 case BHND_DMA_ADDR_32BIT: 7160 /* 32-bit engine with addrext support */ 7161 addrext_req = BWN_DMA32_ADDREXT_MASK; 7162 addrext_shift = BWN_DMA32_ADDREXT_SHIFT; 7163 addr_width = BHND_DMA_ADDR_32BIT; 7164 break; 7165 7166 case BHND_DMA_ADDR_64BIT: 7167 /* 64-bit engine with addrext support */ 7168 addrext_req = BWN_DMA64_ADDREXT_MASK; 7169 addrext_shift = BWN_DMA64_ADDREXT_SHIFT; 7170 addr_width = BHND_DMA_ADDR_64BIT; 7171 break; 7172 7173 default: 7174 device_printf(sc->sc_dev, "unsupported DMA address width: %d\n", 7175 mac->mac_dmatype); 7176 return (ENXIO); 7177 } 7178 7179 /* Fetch our device->host DMA translation and tag */ 7180 error = bhnd_get_dma_translation(sc->sc_dev, addr_width, 0, &dmat, 7181 &dma_translation); 7182 if (error) { 7183 device_printf(sc->sc_dev, "error fetching DMA translation: " 7184 "%d\n", error); 7185 return (error); 7186 } 7187 7188 /* Verify that our DMA engine's addrext constraints are compatible with 7189 * our DMA translation */ 7190 if (addrext_req != 0x0 && 7191 (dma_translation.addrext_mask & addrext_req) != addrext_req) 7192 { 7193 device_printf(sc->sc_dev, "bus addrext mask %#jx incompatible " 7194 "with device addrext mask %#jx, disabling extended address " 7195 "support\n", (uintmax_t)dma_translation.addrext_mask, 7196 (uintmax_t)addrext_req); 7197 7198 addrext_req = 0x0; 7199 addrext_shift = 0; 7200 } 7201 7202 /* Apply our addrext translation constraint */ 7203 dma_translation.addrext_mask = addrext_req; 7204 7205 /* Initialize our DMA engine configuration */ 7206 mac->mac_flags |= BWN_MAC_FLAG_DMA; 7207 7208 dma->addrext_shift = addrext_shift; 7209 dma->translation = dma_translation; 7210 7211 dt = &dma->translation; 7212 7213 /* Dermine our translation's maximum supported address */ 7214 lowaddr = MIN((dt->addr_mask | dt->addrext_mask), BUS_SPACE_MAXADDR); 7215 7216 /* 7217 * Create top level DMA tag 7218 */ 7219 error = bus_dma_tag_create(dmat, /* parent */ 7220 BWN_ALIGN, 0, /* alignment, bounds */ 7221 lowaddr, /* lowaddr */ 7222 BUS_SPACE_MAXADDR, /* highaddr */ 7223 NULL, NULL, /* filter, filterarg */ 7224 BUS_SPACE_MAXSIZE, /* maxsize */ 7225 BUS_SPACE_UNRESTRICTED, /* nsegments */ 7226 BUS_SPACE_MAXSIZE, /* maxsegsize */ 7227 0, /* flags */ 7228 NULL, NULL, /* lockfunc, lockarg */ 7229 &dma->parent_dtag); 7230 if (error) { 7231 device_printf(sc->sc_dev, "can't create parent DMA tag\n"); 7232 return (error); 7233 } 7234 7235 /* 7236 * Create TX/RX mbuf DMA tag 7237 */ 7238 error = bus_dma_tag_create(dma->parent_dtag, 7239 1, 7240 0, 7241 BUS_SPACE_MAXADDR, 7242 BUS_SPACE_MAXADDR, 7243 NULL, NULL, 7244 MCLBYTES, 7245 1, 7246 BUS_SPACE_MAXSIZE_32BIT, 7247 0, 7248 NULL, NULL, 7249 &dma->rxbuf_dtag); 7250 if (error) { 7251 device_printf(sc->sc_dev, "can't create mbuf DMA tag\n"); 7252 goto fail0; 7253 } 7254 error = bus_dma_tag_create(dma->parent_dtag, 7255 1, 7256 0, 7257 BUS_SPACE_MAXADDR, 7258 BUS_SPACE_MAXADDR, 7259 NULL, NULL, 7260 MCLBYTES, 7261 1, 7262 BUS_SPACE_MAXSIZE_32BIT, 7263 0, 7264 NULL, NULL, 7265 &dma->txbuf_dtag); 7266 if (error) { 7267 device_printf(sc->sc_dev, "can't create mbuf DMA tag\n"); 7268 goto fail1; 7269 } 7270 7271 dma->wme[WME_AC_BK] = bwn_dma_ringsetup(mac, 0, 1); 7272 if (!dma->wme[WME_AC_BK]) 7273 goto fail2; 7274 7275 dma->wme[WME_AC_BE] = bwn_dma_ringsetup(mac, 1, 1); 7276 if (!dma->wme[WME_AC_BE]) 7277 goto fail3; 7278 7279 dma->wme[WME_AC_VI] = bwn_dma_ringsetup(mac, 2, 1); 7280 if (!dma->wme[WME_AC_VI]) 7281 goto fail4; 7282 7283 dma->wme[WME_AC_VO] = bwn_dma_ringsetup(mac, 3, 1); 7284 if (!dma->wme[WME_AC_VO]) 7285 goto fail5; 7286 7287 dma->mcast = bwn_dma_ringsetup(mac, 4, 1); 7288 if (!dma->mcast) 7289 goto fail6; 7290 dma->rx = bwn_dma_ringsetup(mac, 0, 0); 7291 if (!dma->rx) 7292 goto fail7; 7293 7294 return (error); 7295 7296 fail7: bwn_dma_ringfree(&dma->mcast); 7297 fail6: bwn_dma_ringfree(&dma->wme[WME_AC_VO]); 7298 fail5: bwn_dma_ringfree(&dma->wme[WME_AC_VI]); 7299 fail4: bwn_dma_ringfree(&dma->wme[WME_AC_BE]); 7300 fail3: bwn_dma_ringfree(&dma->wme[WME_AC_BK]); 7301 fail2: bus_dma_tag_destroy(dma->txbuf_dtag); 7302 fail1: bus_dma_tag_destroy(dma->rxbuf_dtag); 7303 fail0: bus_dma_tag_destroy(dma->parent_dtag); 7304 return (error); 7305 } 7306 7307 static struct bwn_dma_ring * 7308 bwn_dma_parse_cookie(struct bwn_mac *mac, const struct bwn_txstatus *status, 7309 uint16_t cookie, int *slot) 7310 { 7311 struct bwn_dma *dma = &mac->mac_method.dma; 7312 struct bwn_dma_ring *dr; 7313 struct bwn_softc *sc = mac->mac_sc; 7314 7315 BWN_ASSERT_LOCKED(mac->mac_sc); 7316 7317 switch (cookie & 0xf000) { 7318 case 0x1000: 7319 dr = dma->wme[WME_AC_BK]; 7320 break; 7321 case 0x2000: 7322 dr = dma->wme[WME_AC_BE]; 7323 break; 7324 case 0x3000: 7325 dr = dma->wme[WME_AC_VI]; 7326 break; 7327 case 0x4000: 7328 dr = dma->wme[WME_AC_VO]; 7329 break; 7330 case 0x5000: 7331 dr = dma->mcast; 7332 break; 7333 default: 7334 dr = NULL; 7335 KASSERT(0 == 1, 7336 ("invalid cookie value %d", cookie & 0xf000)); 7337 } 7338 *slot = (cookie & 0x0fff); 7339 if (*slot < 0 || *slot >= dr->dr_numslots) { 7340 /* 7341 * XXX FIXME: sometimes H/W returns TX DONE events duplicately 7342 * that it occurs events which have same H/W sequence numbers. 7343 * When it's occurred just prints a WARNING msgs and ignores. 7344 */ 7345 KASSERT(status->seq == dma->lastseq, 7346 ("%s:%d: fail", __func__, __LINE__)); 7347 device_printf(sc->sc_dev, 7348 "out of slot ranges (0 < %d < %d)\n", *slot, 7349 dr->dr_numslots); 7350 return (NULL); 7351 } 7352 dma->lastseq = status->seq; 7353 return (dr); 7354 } 7355 7356 static void 7357 bwn_dma_stop(struct bwn_mac *mac) 7358 { 7359 struct bwn_dma *dma; 7360 7361 if ((mac->mac_flags & BWN_MAC_FLAG_DMA) == 0) 7362 return; 7363 dma = &mac->mac_method.dma; 7364 7365 bwn_dma_ringstop(&dma->rx); 7366 bwn_dma_ringstop(&dma->wme[WME_AC_BK]); 7367 bwn_dma_ringstop(&dma->wme[WME_AC_BE]); 7368 bwn_dma_ringstop(&dma->wme[WME_AC_VI]); 7369 bwn_dma_ringstop(&dma->wme[WME_AC_VO]); 7370 bwn_dma_ringstop(&dma->mcast); 7371 } 7372 7373 static void 7374 bwn_dma_ringstop(struct bwn_dma_ring **dr) 7375 { 7376 7377 if (dr == NULL) 7378 return; 7379 7380 bwn_dma_cleanup(*dr); 7381 } 7382 7383 static void 7384 bwn_pio_stop(struct bwn_mac *mac) 7385 { 7386 struct bwn_pio *pio; 7387 7388 if (mac->mac_flags & BWN_MAC_FLAG_DMA) 7389 return; 7390 pio = &mac->mac_method.pio; 7391 7392 bwn_destroy_queue_tx(&pio->mcast); 7393 bwn_destroy_queue_tx(&pio->wme[WME_AC_VO]); 7394 bwn_destroy_queue_tx(&pio->wme[WME_AC_VI]); 7395 bwn_destroy_queue_tx(&pio->wme[WME_AC_BE]); 7396 bwn_destroy_queue_tx(&pio->wme[WME_AC_BK]); 7397 } 7398 7399 static int 7400 bwn_led_attach(struct bwn_mac *mac) 7401 { 7402 struct bwn_softc *sc = mac->mac_sc; 7403 const uint8_t *led_act = NULL; 7404 int error; 7405 int i; 7406 7407 sc->sc_led_idle = (2350 * hz) / 1000; 7408 sc->sc_led_blink = 1; 7409 7410 for (i = 0; i < N(bwn_vendor_led_act); ++i) { 7411 if (sc->sc_board_info.board_vendor == 7412 bwn_vendor_led_act[i].vid) { 7413 led_act = bwn_vendor_led_act[i].led_act; 7414 break; 7415 } 7416 } 7417 if (led_act == NULL) 7418 led_act = bwn_default_led_act; 7419 7420 _Static_assert(nitems(bwn_led_vars) == BWN_LED_MAX, 7421 "invalid NVRAM variable name array"); 7422 7423 for (i = 0; i < BWN_LED_MAX; ++i) { 7424 struct bwn_led *led; 7425 uint8_t val; 7426 7427 led = &sc->sc_leds[i]; 7428 7429 KASSERT(i < nitems(bwn_led_vars), ("unknown LED index")); 7430 error = bhnd_nvram_getvar_uint8(sc->sc_dev, bwn_led_vars[i], 7431 &val); 7432 if (error) { 7433 if (error != ENOENT) { 7434 device_printf(sc->sc_dev, "NVRAM variable %s " 7435 "unreadable: %d", bwn_led_vars[i], error); 7436 return (error); 7437 } 7438 7439 /* Not found; use default */ 7440 led->led_act = led_act[i]; 7441 } else { 7442 if (val & BWN_LED_ACT_LOW) 7443 led->led_flags |= BWN_LED_F_ACTLOW; 7444 led->led_act = val & BWN_LED_ACT_MASK; 7445 } 7446 led->led_mask = (1 << i); 7447 7448 if (led->led_act == BWN_LED_ACT_BLINK_SLOW || 7449 led->led_act == BWN_LED_ACT_BLINK_POLL || 7450 led->led_act == BWN_LED_ACT_BLINK) { 7451 led->led_flags |= BWN_LED_F_BLINK; 7452 if (led->led_act == BWN_LED_ACT_BLINK_POLL) 7453 led->led_flags |= BWN_LED_F_POLLABLE; 7454 else if (led->led_act == BWN_LED_ACT_BLINK_SLOW) 7455 led->led_flags |= BWN_LED_F_SLOW; 7456 7457 if (sc->sc_blink_led == NULL) { 7458 sc->sc_blink_led = led; 7459 if (led->led_flags & BWN_LED_F_SLOW) 7460 BWN_LED_SLOWDOWN(sc->sc_led_idle); 7461 } 7462 } 7463 7464 DPRINTF(sc, BWN_DEBUG_LED, 7465 "%dth led, act %d, lowact %d\n", i, 7466 led->led_act, led->led_flags & BWN_LED_F_ACTLOW); 7467 } 7468 callout_init_mtx(&sc->sc_led_blink_ch, &sc->sc_mtx, 0); 7469 7470 return (0); 7471 } 7472 7473 static __inline uint16_t 7474 bwn_led_onoff(const struct bwn_led *led, uint16_t val, int on) 7475 { 7476 7477 if (led->led_flags & BWN_LED_F_ACTLOW) 7478 on = !on; 7479 if (on) 7480 val |= led->led_mask; 7481 else 7482 val &= ~led->led_mask; 7483 return val; 7484 } 7485 7486 static void 7487 bwn_led_newstate(struct bwn_mac *mac, enum ieee80211_state nstate) 7488 { 7489 struct bwn_softc *sc = mac->mac_sc; 7490 struct ieee80211com *ic = &sc->sc_ic; 7491 uint16_t val; 7492 int i; 7493 7494 if (nstate == IEEE80211_S_INIT) { 7495 callout_stop(&sc->sc_led_blink_ch); 7496 sc->sc_led_blinking = 0; 7497 } 7498 7499 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) 7500 return; 7501 7502 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7503 for (i = 0; i < BWN_LED_MAX; ++i) { 7504 struct bwn_led *led = &sc->sc_leds[i]; 7505 int on; 7506 7507 if (led->led_act == BWN_LED_ACT_UNKN || 7508 led->led_act == BWN_LED_ACT_NULL) 7509 continue; 7510 7511 if ((led->led_flags & BWN_LED_F_BLINK) && 7512 nstate != IEEE80211_S_INIT) 7513 continue; 7514 7515 switch (led->led_act) { 7516 case BWN_LED_ACT_ON: /* Always on */ 7517 on = 1; 7518 break; 7519 case BWN_LED_ACT_OFF: /* Always off */ 7520 case BWN_LED_ACT_5GHZ: /* TODO: 11A */ 7521 on = 0; 7522 break; 7523 default: 7524 on = 1; 7525 switch (nstate) { 7526 case IEEE80211_S_INIT: 7527 on = 0; 7528 break; 7529 case IEEE80211_S_RUN: 7530 if (led->led_act == BWN_LED_ACT_11G && 7531 ic->ic_curmode != IEEE80211_MODE_11G) 7532 on = 0; 7533 break; 7534 default: 7535 if (led->led_act == BWN_LED_ACT_ASSOC) 7536 on = 0; 7537 break; 7538 } 7539 break; 7540 } 7541 7542 val = bwn_led_onoff(led, val, on); 7543 } 7544 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7545 } 7546 7547 static void 7548 bwn_led_event(struct bwn_mac *mac, int event) 7549 { 7550 struct bwn_softc *sc = mac->mac_sc; 7551 struct bwn_led *led = sc->sc_blink_led; 7552 int rate; 7553 7554 if (event == BWN_LED_EVENT_POLL) { 7555 if ((led->led_flags & BWN_LED_F_POLLABLE) == 0) 7556 return; 7557 if (ticks - sc->sc_led_ticks < sc->sc_led_idle) 7558 return; 7559 } 7560 7561 sc->sc_led_ticks = ticks; 7562 if (sc->sc_led_blinking) 7563 return; 7564 7565 switch (event) { 7566 case BWN_LED_EVENT_RX: 7567 rate = sc->sc_rx_rate; 7568 break; 7569 case BWN_LED_EVENT_TX: 7570 rate = sc->sc_tx_rate; 7571 break; 7572 case BWN_LED_EVENT_POLL: 7573 rate = 0; 7574 break; 7575 default: 7576 panic("unknown LED event %d\n", event); 7577 break; 7578 } 7579 bwn_led_blink_start(mac, bwn_led_duration[rate].on_dur, 7580 bwn_led_duration[rate].off_dur); 7581 } 7582 7583 static void 7584 bwn_led_blink_start(struct bwn_mac *mac, int on_dur, int off_dur) 7585 { 7586 struct bwn_softc *sc = mac->mac_sc; 7587 struct bwn_led *led = sc->sc_blink_led; 7588 uint16_t val; 7589 7590 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7591 val = bwn_led_onoff(led, val, 1); 7592 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7593 7594 if (led->led_flags & BWN_LED_F_SLOW) { 7595 BWN_LED_SLOWDOWN(on_dur); 7596 BWN_LED_SLOWDOWN(off_dur); 7597 } 7598 7599 sc->sc_led_blinking = 1; 7600 sc->sc_led_blink_offdur = off_dur; 7601 7602 callout_reset(&sc->sc_led_blink_ch, on_dur, bwn_led_blink_next, mac); 7603 } 7604 7605 static void 7606 bwn_led_blink_next(void *arg) 7607 { 7608 struct bwn_mac *mac = arg; 7609 struct bwn_softc *sc = mac->mac_sc; 7610 uint16_t val; 7611 7612 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7613 val = bwn_led_onoff(sc->sc_blink_led, val, 0); 7614 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7615 7616 callout_reset(&sc->sc_led_blink_ch, sc->sc_led_blink_offdur, 7617 bwn_led_blink_end, mac); 7618 } 7619 7620 static void 7621 bwn_led_blink_end(void *arg) 7622 { 7623 struct bwn_mac *mac = arg; 7624 struct bwn_softc *sc = mac->mac_sc; 7625 7626 sc->sc_led_blinking = 0; 7627 } 7628 7629 static int 7630 bwn_suspend(device_t dev) 7631 { 7632 struct bwn_softc *sc = device_get_softc(dev); 7633 7634 BWN_LOCK(sc); 7635 bwn_stop(sc); 7636 BWN_UNLOCK(sc); 7637 return (0); 7638 } 7639 7640 static int 7641 bwn_resume(device_t dev) 7642 { 7643 struct bwn_softc *sc = device_get_softc(dev); 7644 int error = EDOOFUS; 7645 7646 BWN_LOCK(sc); 7647 if (sc->sc_ic.ic_nrunning > 0) 7648 error = bwn_init(sc); 7649 BWN_UNLOCK(sc); 7650 if (error == 0) 7651 ieee80211_start_all(&sc->sc_ic); 7652 return (0); 7653 } 7654 7655 static void 7656 bwn_rfswitch(void *arg) 7657 { 7658 struct bwn_softc *sc = arg; 7659 struct bwn_mac *mac = sc->sc_curmac; 7660 int cur = 0, prev = 0; 7661 7662 KASSERT(mac->mac_status >= BWN_MAC_STATUS_STARTED, 7663 ("%s: invalid MAC status %d", __func__, mac->mac_status)); 7664 7665 if (mac->mac_phy.rev >= 3 || mac->mac_phy.type == BWN_PHYTYPE_LP 7666 || mac->mac_phy.type == BWN_PHYTYPE_N) { 7667 if (!(BWN_READ_4(mac, BWN_RF_HWENABLED_HI) 7668 & BWN_RF_HWENABLED_HI_MASK)) 7669 cur = 1; 7670 } else { 7671 if (BWN_READ_2(mac, BWN_RF_HWENABLED_LO) 7672 & BWN_RF_HWENABLED_LO_MASK) 7673 cur = 1; 7674 } 7675 7676 if (mac->mac_flags & BWN_MAC_FLAG_RADIO_ON) 7677 prev = 1; 7678 7679 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called; cur=%d, prev=%d\n", 7680 __func__, cur, prev); 7681 7682 if (cur != prev) { 7683 if (cur) 7684 mac->mac_flags |= BWN_MAC_FLAG_RADIO_ON; 7685 else 7686 mac->mac_flags &= ~BWN_MAC_FLAG_RADIO_ON; 7687 7688 device_printf(sc->sc_dev, 7689 "status of RF switch is changed to %s\n", 7690 cur ? "ON" : "OFF"); 7691 if (cur != mac->mac_phy.rf_on) { 7692 if (cur) 7693 bwn_rf_turnon(mac); 7694 else 7695 bwn_rf_turnoff(mac); 7696 } 7697 } 7698 7699 callout_schedule(&sc->sc_rfswitch_ch, hz); 7700 } 7701 7702 static void 7703 bwn_sysctl_node(struct bwn_softc *sc) 7704 { 7705 device_t dev = sc->sc_dev; 7706 struct bwn_mac *mac; 7707 struct bwn_stats *stats; 7708 7709 /* XXX assume that count of MAC is only 1. */ 7710 7711 if ((mac = sc->sc_curmac) == NULL) 7712 return; 7713 stats = &mac->mac_stats; 7714 7715 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7716 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7717 "linknoise", CTLFLAG_RW, &stats->rts, 0, "Noise level"); 7718 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7719 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7720 "rts", CTLFLAG_RW, &stats->rts, 0, "RTS"); 7721 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7722 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7723 "rtsfail", CTLFLAG_RW, &stats->rtsfail, 0, "RTS failed to send"); 7724 7725 #ifdef BWN_DEBUG 7726 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 7727 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7728 "debug", CTLFLAG_RW, &sc->sc_debug, 0, "Debug flags"); 7729 #endif 7730 } 7731 7732 static device_method_t bwn_methods[] = { 7733 /* Device interface */ 7734 DEVMETHOD(device_probe, bwn_probe), 7735 DEVMETHOD(device_attach, bwn_attach), 7736 DEVMETHOD(device_detach, bwn_detach), 7737 DEVMETHOD(device_suspend, bwn_suspend), 7738 DEVMETHOD(device_resume, bwn_resume), 7739 DEVMETHOD_END 7740 }; 7741 7742 static driver_t bwn_driver = { 7743 "bwn", 7744 bwn_methods, 7745 sizeof(struct bwn_softc) 7746 }; 7747 7748 DRIVER_MODULE(bwn, bhnd, bwn_driver, 0, 0); 7749 MODULE_DEPEND(bwn, bhnd, 1, 1, 1); 7750 MODULE_DEPEND(bwn, gpiobus, 1, 1, 1); 7751 MODULE_DEPEND(bwn, wlan, 1, 1, 1); /* 802.11 media layer */ 7752 MODULE_DEPEND(bwn, firmware, 1, 1, 1); /* firmware support */ 7753 MODULE_DEPEND(bwn, wlan_amrr, 1, 1, 1); 7754 MODULE_VERSION(bwn, 1);
Cache object: 99281730eb3ad1b9e4df4c5f8f051af6
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