1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 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/* 39 * The Broadcom Wireless LAN controller driver. 40 */ 41 42#include "opt_bwn.h" 43#include "opt_wlan.h" 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/kernel.h> 48#include <sys/gpio.h> 49#include <sys/malloc.h> 50#include <sys/module.h> 51#include <sys/endian.h> 52#include <sys/errno.h> 53#include <sys/firmware.h> 54#include <sys/lock.h> 55#include <sys/mutex.h> 56#include <machine/bus.h> 57#include <machine/resource.h> 58#include <sys/bus.h> 59#include <sys/rman.h> 60#include <sys/socket.h> 61#include <sys/sockio.h> 62 63#include <net/ethernet.h> 64#include <net/if.h> 65#include <net/if_var.h> 66#include <net/if_arp.h> 67#include <net/if_dl.h> 68#include <net/if_llc.h> 69#include <net/if_media.h> 70#include <net/if_types.h> 71 72#include <net80211/ieee80211_var.h> 73#include <net80211/ieee80211_radiotap.h> 74#include <net80211/ieee80211_regdomain.h> 75#include <net80211/ieee80211_phy.h> 76#include <net80211/ieee80211_ratectl.h> 77 78#include <dev/bhnd/bhnd.h> 79#include <dev/bhnd/bhnd_ids.h> 80 81#include <dev/bhnd/cores/chipc/chipc.h> 82#include <dev/bhnd/cores/pmu/bhnd_pmu.h> 83 84#include <dev/bwn/if_bwnreg.h> 85#include <dev/bwn/if_bwnvar.h> 86 87#include <dev/bwn/if_bwn_debug.h> 88#include <dev/bwn/if_bwn_misc.h> 89#include <dev/bwn/if_bwn_util.h> 90#include <dev/bwn/if_bwn_phy_common.h> 91#include <dev/bwn/if_bwn_phy_g.h> 92#include <dev/bwn/if_bwn_phy_lp.h> 93#include <dev/bwn/if_bwn_phy_n.h> 94 95#include "bhnd_nvram_map.h" 96 97#include "gpio_if.h" 98 99static SYSCTL_NODE(_hw, OID_AUTO, bwn, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 100 "Broadcom driver parameters"); 101 102/* 103 * Tunable & sysctl variables. 104 */ 105 106#ifdef BWN_DEBUG 107static int bwn_debug = 0; 108SYSCTL_INT(_hw_bwn, OID_AUTO, debug, CTLFLAG_RWTUN, &bwn_debug, 0, 109 "Broadcom debugging printfs"); 110#endif 111 112static int bwn_bfp = 0; /* use "Bad Frames Preemption" */ 113SYSCTL_INT(_hw_bwn, OID_AUTO, bfp, CTLFLAG_RW, &bwn_bfp, 0, 114 "uses Bad Frames Preemption"); 115static int bwn_bluetooth = 1; 116SYSCTL_INT(_hw_bwn, OID_AUTO, bluetooth, CTLFLAG_RW, &bwn_bluetooth, 0, 117 "turns on Bluetooth Coexistence"); 118static int bwn_hwpctl = 0; 119SYSCTL_INT(_hw_bwn, OID_AUTO, hwpctl, CTLFLAG_RW, &bwn_hwpctl, 0, 120 "uses H/W power control"); 121static int bwn_usedma = 1; 122SYSCTL_INT(_hw_bwn, OID_AUTO, usedma, CTLFLAG_RD, &bwn_usedma, 0, 123 "uses DMA"); 124TUNABLE_INT("hw.bwn.usedma", &bwn_usedma); 125static int bwn_wme = 1; 126SYSCTL_INT(_hw_bwn, OID_AUTO, wme, CTLFLAG_RW, &bwn_wme, 0, 127 "uses WME support"); 128 129static void bwn_attach_pre(struct bwn_softc *); 130static int bwn_attach_post(struct bwn_softc *); 131static int bwn_retain_bus_providers(struct bwn_softc *sc); 132static void bwn_release_bus_providers(struct bwn_softc *sc); 133static void bwn_sprom_bugfixes(device_t); 134static int bwn_init(struct bwn_softc *); 135static void bwn_parent(struct ieee80211com *); 136static void bwn_start(struct bwn_softc *); 137static int bwn_transmit(struct ieee80211com *, struct mbuf *); 138static int bwn_attach_core(struct bwn_mac *); 139static int bwn_phy_getinfo(struct bwn_mac *, int); 140static int bwn_chiptest(struct bwn_mac *); 141static int bwn_setup_channels(struct bwn_mac *, int, int); 142static void bwn_shm_ctlword(struct bwn_mac *, uint16_t, 143 uint16_t); 144static void bwn_addchannels(struct ieee80211_channel [], int, int *, 145 const struct bwn_channelinfo *, const uint8_t []); 146static int bwn_raw_xmit(struct ieee80211_node *, struct mbuf *, 147 const struct ieee80211_bpf_params *); 148static void bwn_updateslot(struct ieee80211com *); 149static void bwn_update_promisc(struct ieee80211com *); 150static void bwn_wme_init(struct bwn_mac *); 151static int bwn_wme_update(struct ieee80211com *); 152static void bwn_wme_clear(struct bwn_softc *); 153static void bwn_wme_load(struct bwn_mac *); 154static void bwn_wme_loadparams(struct bwn_mac *, 155 const struct wmeParams *, uint16_t); 156static void bwn_scan_start(struct ieee80211com *); 157static void bwn_scan_end(struct ieee80211com *); 158static void bwn_set_channel(struct ieee80211com *); 159static struct ieee80211vap *bwn_vap_create(struct ieee80211com *, 160 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 161 const uint8_t [IEEE80211_ADDR_LEN], 162 const uint8_t [IEEE80211_ADDR_LEN]); 163static void bwn_vap_delete(struct ieee80211vap *); 164static void bwn_stop(struct bwn_softc *); 165static int bwn_core_forceclk(struct bwn_mac *, bool); 166static int bwn_core_init(struct bwn_mac *); 167static void bwn_core_start(struct bwn_mac *); 168static void bwn_core_exit(struct bwn_mac *); 169static void bwn_bt_disable(struct bwn_mac *); 170static int bwn_chip_init(struct bwn_mac *); 171static void bwn_set_txretry(struct bwn_mac *, int, int); 172static void bwn_rate_init(struct bwn_mac *); 173static void bwn_set_phytxctl(struct bwn_mac *); 174static void bwn_spu_setdelay(struct bwn_mac *, int); 175static void bwn_bt_enable(struct bwn_mac *); 176static void bwn_set_macaddr(struct bwn_mac *); 177static void bwn_crypt_init(struct bwn_mac *); 178static void bwn_chip_exit(struct bwn_mac *); 179static int bwn_fw_fillinfo(struct bwn_mac *); 180static int bwn_fw_loaducode(struct bwn_mac *); 181static int bwn_gpio_init(struct bwn_mac *); 182static int bwn_fw_loadinitvals(struct bwn_mac *); 183static int bwn_phy_init(struct bwn_mac *); 184static void bwn_set_txantenna(struct bwn_mac *, int); 185static void bwn_set_opmode(struct bwn_mac *); 186static void bwn_rate_write(struct bwn_mac *, uint16_t, int); 187static uint8_t bwn_plcp_getcck(const uint8_t); 188static uint8_t bwn_plcp_getofdm(const uint8_t); 189static void bwn_pio_init(struct bwn_mac *); 190static uint16_t bwn_pio_idx2base(struct bwn_mac *, int); 191static void bwn_pio_set_txqueue(struct bwn_mac *, struct bwn_pio_txqueue *, 192 int); 193static void bwn_pio_setupqueue_rx(struct bwn_mac *, 194 struct bwn_pio_rxqueue *, int); 195static void bwn_destroy_queue_tx(struct bwn_pio_txqueue *); 196static uint16_t bwn_pio_read_2(struct bwn_mac *, struct bwn_pio_txqueue *, 197 uint16_t); 198static void bwn_pio_cancel_tx_packets(struct bwn_pio_txqueue *); 199static int bwn_pio_rx(struct bwn_pio_rxqueue *); 200static uint8_t bwn_pio_rxeof(struct bwn_pio_rxqueue *); 201static void bwn_pio_handle_txeof(struct bwn_mac *, 202 const struct bwn_txstatus *); 203static uint16_t bwn_pio_rx_read_2(struct bwn_pio_rxqueue *, uint16_t); 204static uint32_t bwn_pio_rx_read_4(struct bwn_pio_rxqueue *, uint16_t); 205static void bwn_pio_rx_write_2(struct bwn_pio_rxqueue *, uint16_t, 206 uint16_t); 207static void bwn_pio_rx_write_4(struct bwn_pio_rxqueue *, uint16_t, 208 uint32_t); 209static int bwn_pio_tx_start(struct bwn_mac *, struct ieee80211_node *, 210 struct mbuf **); 211static struct bwn_pio_txqueue *bwn_pio_select(struct bwn_mac *, uint8_t); 212static uint32_t bwn_pio_write_multi_4(struct bwn_mac *, 213 struct bwn_pio_txqueue *, uint32_t, const void *, int); 214static void bwn_pio_write_4(struct bwn_mac *, struct bwn_pio_txqueue *, 215 uint16_t, uint32_t); 216static uint16_t bwn_pio_write_multi_2(struct bwn_mac *, 217 struct bwn_pio_txqueue *, uint16_t, const void *, int); 218static uint16_t bwn_pio_write_mbuf_2(struct bwn_mac *, 219 struct bwn_pio_txqueue *, uint16_t, struct mbuf *); 220static struct bwn_pio_txqueue *bwn_pio_parse_cookie(struct bwn_mac *, 221 uint16_t, struct bwn_pio_txpkt **); 222static void bwn_dma_init(struct bwn_mac *); 223static void bwn_dma_rxdirectfifo(struct bwn_mac *, int, uint8_t); 224static uint16_t bwn_dma_base(int, int); 225static void bwn_dma_ringfree(struct bwn_dma_ring **); 226static void bwn_dma_32_getdesc(struct bwn_dma_ring *, 227 int, struct bwn_dmadesc_generic **, 228 struct bwn_dmadesc_meta **); 229static void bwn_dma_32_setdesc(struct bwn_dma_ring *, 230 struct bwn_dmadesc_generic *, bus_addr_t, uint16_t, int, 231 int, int); 232static void bwn_dma_32_start_transfer(struct bwn_dma_ring *, int); 233static void bwn_dma_32_suspend(struct bwn_dma_ring *); 234static void bwn_dma_32_resume(struct bwn_dma_ring *); 235static int bwn_dma_32_get_curslot(struct bwn_dma_ring *); 236static void bwn_dma_32_set_curslot(struct bwn_dma_ring *, int); 237static void bwn_dma_64_getdesc(struct bwn_dma_ring *, 238 int, struct bwn_dmadesc_generic **, 239 struct bwn_dmadesc_meta **); 240static void bwn_dma_64_setdesc(struct bwn_dma_ring *, 241 struct bwn_dmadesc_generic *, bus_addr_t, uint16_t, int, 242 int, int); 243static void bwn_dma_64_start_transfer(struct bwn_dma_ring *, int); 244static void bwn_dma_64_suspend(struct bwn_dma_ring *); 245static void bwn_dma_64_resume(struct bwn_dma_ring *); 246static int bwn_dma_64_get_curslot(struct bwn_dma_ring *); 247static void bwn_dma_64_set_curslot(struct bwn_dma_ring *, int); 248static int bwn_dma_allocringmemory(struct bwn_dma_ring *); 249static void bwn_dma_setup(struct bwn_dma_ring *); 250static void bwn_dma_free_ringmemory(struct bwn_dma_ring *); 251static void bwn_dma_cleanup(struct bwn_dma_ring *); 252static void bwn_dma_free_descbufs(struct bwn_dma_ring *); 253static int bwn_dma_tx_reset(struct bwn_mac *, uint16_t, int); 254static void bwn_dma_rx(struct bwn_dma_ring *); 255static int bwn_dma_rx_reset(struct bwn_mac *, uint16_t, int); 256static void bwn_dma_free_descbuf(struct bwn_dma_ring *, 257 struct bwn_dmadesc_meta *); 258static void bwn_dma_set_redzone(struct bwn_dma_ring *, struct mbuf *); 259static void bwn_dma_ring_addr(void *, bus_dma_segment_t *, int, int); 260static int bwn_dma_freeslot(struct bwn_dma_ring *); 261static int bwn_dma_nextslot(struct bwn_dma_ring *, int); 262static void bwn_dma_rxeof(struct bwn_dma_ring *, int *); 263static int bwn_dma_newbuf(struct bwn_dma_ring *, 264 struct bwn_dmadesc_generic *, struct bwn_dmadesc_meta *, 265 int); 266static void bwn_dma_buf_addr(void *, bus_dma_segment_t *, int, 267 bus_size_t, int); 268static uint8_t bwn_dma_check_redzone(struct bwn_dma_ring *, struct mbuf *); 269static void bwn_ratectl_tx_complete(const struct ieee80211_node *, 270 const struct bwn_txstatus *); 271static void bwn_dma_handle_txeof(struct bwn_mac *, 272 const struct bwn_txstatus *); 273static int bwn_dma_tx_start(struct bwn_mac *, struct ieee80211_node *, 274 struct mbuf **); 275static int bwn_dma_getslot(struct bwn_dma_ring *); 276static struct bwn_dma_ring *bwn_dma_select(struct bwn_mac *, 277 uint8_t); 278static int bwn_dma_attach(struct bwn_mac *); 279static struct bwn_dma_ring *bwn_dma_ringsetup(struct bwn_mac *, 280 int, int); 281static struct bwn_dma_ring *bwn_dma_parse_cookie(struct bwn_mac *, 282 const struct bwn_txstatus *, uint16_t, int *); 283static void bwn_dma_free(struct bwn_mac *); 284static int bwn_fw_gets(struct bwn_mac *, enum bwn_fwtype); 285static int bwn_fw_get(struct bwn_mac *, enum bwn_fwtype, 286 const char *, struct bwn_fwfile *); 287static void bwn_release_firmware(struct bwn_mac *); 288static void bwn_do_release_fw(struct bwn_fwfile *); 289static uint16_t bwn_fwcaps_read(struct bwn_mac *); 290static int bwn_fwinitvals_write(struct bwn_mac *, 291 const struct bwn_fwinitvals *, size_t, size_t); 292static uint16_t bwn_ant2phy(int); 293static void bwn_mac_write_bssid(struct bwn_mac *); 294static void bwn_mac_setfilter(struct bwn_mac *, uint16_t, 295 const uint8_t *); 296static void bwn_key_dowrite(struct bwn_mac *, uint8_t, uint8_t, 297 const uint8_t *, size_t, const uint8_t *); 298static void bwn_key_macwrite(struct bwn_mac *, uint8_t, 299 const uint8_t *); 300static void bwn_key_write(struct bwn_mac *, uint8_t, uint8_t, 301 const uint8_t *); 302static void bwn_phy_exit(struct bwn_mac *); 303static void bwn_core_stop(struct bwn_mac *); 304static int bwn_switch_band(struct bwn_softc *, 305 struct ieee80211_channel *); 306static int bwn_phy_reset(struct bwn_mac *); 307static int bwn_newstate(struct ieee80211vap *, enum ieee80211_state, int); 308static void bwn_set_pretbtt(struct bwn_mac *); 309static int bwn_intr(void *); 310static void bwn_intrtask(void *, int); 311static void bwn_restart(struct bwn_mac *, const char *); 312static void bwn_intr_ucode_debug(struct bwn_mac *); 313static void bwn_intr_tbtt_indication(struct bwn_mac *); 314static void bwn_intr_atim_end(struct bwn_mac *); 315static void bwn_intr_beacon(struct bwn_mac *); 316static void bwn_intr_pmq(struct bwn_mac *); 317static void bwn_intr_noise(struct bwn_mac *); 318static void bwn_intr_txeof(struct bwn_mac *); 319static void bwn_hwreset(void *, int); 320static void bwn_handle_fwpanic(struct bwn_mac *); 321static void bwn_load_beacon0(struct bwn_mac *); 322static void bwn_load_beacon1(struct bwn_mac *); 323static uint32_t bwn_jssi_read(struct bwn_mac *); 324static void bwn_noise_gensample(struct bwn_mac *); 325static void bwn_handle_txeof(struct bwn_mac *, 326 const struct bwn_txstatus *); 327static void bwn_rxeof(struct bwn_mac *, struct mbuf *, const void *); 328static void bwn_phy_txpower_check(struct bwn_mac *, uint32_t); 329static int bwn_tx_start(struct bwn_softc *, struct ieee80211_node *, 330 struct mbuf *); 331static int bwn_tx_isfull(struct bwn_softc *, struct mbuf *); 332static int bwn_set_txhdr(struct bwn_mac *, 333 struct ieee80211_node *, struct mbuf *, struct bwn_txhdr *, 334 uint16_t); 335static void bwn_plcp_genhdr(struct bwn_plcp4 *, const uint16_t, 336 const uint8_t); 337static uint8_t bwn_antenna_sanitize(struct bwn_mac *, uint8_t); 338static uint8_t bwn_get_fbrate(uint8_t); 339static void bwn_txpwr(void *, int); 340static void bwn_tasks(void *); 341static void bwn_task_15s(struct bwn_mac *); 342static void bwn_task_30s(struct bwn_mac *); 343static void bwn_task_60s(struct bwn_mac *); 344static int bwn_plcp_get_ofdmrate(struct bwn_mac *, struct bwn_plcp6 *, 345 uint8_t); 346static int bwn_plcp_get_cckrate(struct bwn_mac *, struct bwn_plcp6 *); 347static void bwn_rx_radiotap(struct bwn_mac *, struct mbuf *, 348 const struct bwn_rxhdr4 *, struct bwn_plcp6 *, int, 349 int, int); 350static void bwn_tsf_read(struct bwn_mac *, uint64_t *); 351static void bwn_set_slot_time(struct bwn_mac *, uint16_t); 352static void bwn_watchdog(void *); 353static void bwn_dma_stop(struct bwn_mac *); 354static void bwn_pio_stop(struct bwn_mac *); 355static void bwn_dma_ringstop(struct bwn_dma_ring **); 356static int bwn_led_attach(struct bwn_mac *); 357static void bwn_led_newstate(struct bwn_mac *, enum ieee80211_state); 358static void bwn_led_event(struct bwn_mac *, int); 359static void bwn_led_blink_start(struct bwn_mac *, int, int); 360static void bwn_led_blink_next(void *); 361static void bwn_led_blink_end(void *); 362static void bwn_rfswitch(void *); 363static void bwn_rf_turnon(struct bwn_mac *); 364static void bwn_rf_turnoff(struct bwn_mac *); 365static void bwn_sysctl_node(struct bwn_softc *); 366 367static const struct bwn_channelinfo bwn_chantable_bg = { 368 .channels = { 369 { 2412, 1, 30 }, { 2417, 2, 30 }, { 2422, 3, 30 }, 370 { 2427, 4, 30 }, { 2432, 5, 30 }, { 2437, 6, 30 }, 371 { 2442, 7, 30 }, { 2447, 8, 30 }, { 2452, 9, 30 }, 372 { 2457, 10, 30 }, { 2462, 11, 30 }, { 2467, 12, 30 }, 373 { 2472, 13, 30 }, { 2484, 14, 30 } }, 374 .nchannels = 14 375}; 376 377static const struct bwn_channelinfo bwn_chantable_a = { 378 .channels = { 379 { 5170, 34, 30 }, { 5180, 36, 30 }, { 5190, 38, 30 }, 380 { 5200, 40, 30 }, { 5210, 42, 30 }, { 5220, 44, 30 }, 381 { 5230, 46, 30 }, { 5240, 48, 30 }, { 5260, 52, 30 }, 382 { 5280, 56, 30 }, { 5300, 60, 30 }, { 5320, 64, 30 }, 383 { 5500, 100, 30 }, { 5520, 104, 30 }, { 5540, 108, 30 }, 384 { 5560, 112, 30 }, { 5580, 116, 30 }, { 5600, 120, 30 }, 385 { 5620, 124, 30 }, { 5640, 128, 30 }, { 5660, 132, 30 }, 386 { 5680, 136, 30 }, { 5700, 140, 30 }, { 5745, 149, 30 }, 387 { 5765, 153, 30 }, { 5785, 157, 30 }, { 5805, 161, 30 }, 388 { 5825, 165, 30 }, { 5920, 184, 30 }, { 5940, 188, 30 }, 389 { 5960, 192, 30 }, { 5980, 196, 30 }, { 6000, 200, 30 }, 390 { 6020, 204, 30 }, { 6040, 208, 30 }, { 6060, 212, 30 }, 391 { 6080, 216, 30 } }, 392 .nchannels = 37 393}; 394 395#if 0 396static const struct bwn_channelinfo bwn_chantable_n = { 397 .channels = { 398 { 5160, 32, 30 }, { 5170, 34, 30 }, { 5180, 36, 30 }, 399 { 5190, 38, 30 }, { 5200, 40, 30 }, { 5210, 42, 30 }, 400 { 5220, 44, 30 }, { 5230, 46, 30 }, { 5240, 48, 30 }, 401 { 5250, 50, 30 }, { 5260, 52, 30 }, { 5270, 54, 30 }, 402 { 5280, 56, 30 }, { 5290, 58, 30 }, { 5300, 60, 30 }, 403 { 5310, 62, 30 }, { 5320, 64, 30 }, { 5330, 66, 30 }, 404 { 5340, 68, 30 }, { 5350, 70, 30 }, { 5360, 72, 30 }, 405 { 5370, 74, 30 }, { 5380, 76, 30 }, { 5390, 78, 30 }, 406 { 5400, 80, 30 }, { 5410, 82, 30 }, { 5420, 84, 30 }, 407 { 5430, 86, 30 }, { 5440, 88, 30 }, { 5450, 90, 30 }, 408 { 5460, 92, 30 }, { 5470, 94, 30 }, { 5480, 96, 30 }, 409 { 5490, 98, 30 }, { 5500, 100, 30 }, { 5510, 102, 30 }, 410 { 5520, 104, 30 }, { 5530, 106, 30 }, { 5540, 108, 30 }, 411 { 5550, 110, 30 }, { 5560, 112, 30 }, { 5570, 114, 30 }, 412 { 5580, 116, 30 }, { 5590, 118, 30 }, { 5600, 120, 30 }, 413 { 5610, 122, 30 }, { 5620, 124, 30 }, { 5630, 126, 30 }, 414 { 5640, 128, 30 }, { 5650, 130, 30 }, { 5660, 132, 30 }, 415 { 5670, 134, 30 }, { 5680, 136, 30 }, { 5690, 138, 30 }, 416 { 5700, 140, 30 }, { 5710, 142, 30 }, { 5720, 144, 30 }, 417 { 5725, 145, 30 }, { 5730, 146, 30 }, { 5735, 147, 30 }, 418 { 5740, 148, 30 }, { 5745, 149, 30 }, { 5750, 150, 30 }, 419 { 5755, 151, 30 }, { 5760, 152, 30 }, { 5765, 153, 30 }, 420 { 5770, 154, 30 }, { 5775, 155, 30 }, { 5780, 156, 30 }, 421 { 5785, 157, 30 }, { 5790, 158, 30 }, { 5795, 159, 30 }, 422 { 5800, 160, 30 }, { 5805, 161, 30 }, { 5810, 162, 30 }, 423 { 5815, 163, 30 }, { 5820, 164, 30 }, { 5825, 165, 30 }, 424 { 5830, 166, 30 }, { 5840, 168, 30 }, { 5850, 170, 30 }, 425 { 5860, 172, 30 }, { 5870, 174, 30 }, { 5880, 176, 30 }, 426 { 5890, 178, 30 }, { 5900, 180, 30 }, { 5910, 182, 30 }, 427 { 5920, 184, 30 }, { 5930, 186, 30 }, { 5940, 188, 30 }, 428 { 5950, 190, 30 }, { 5960, 192, 30 }, { 5970, 194, 30 }, 429 { 5980, 196, 30 }, { 5990, 198, 30 }, { 6000, 200, 30 }, 430 { 6010, 202, 30 }, { 6020, 204, 30 }, { 6030, 206, 30 }, 431 { 6040, 208, 30 }, { 6050, 210, 30 }, { 6060, 212, 30 }, 432 { 6070, 214, 30 }, { 6080, 216, 30 }, { 6090, 218, 30 }, 433 { 6100, 220, 30 }, { 6110, 222, 30 }, { 6120, 224, 30 }, 434 { 6130, 226, 30 }, { 6140, 228, 30 } }, 435 .nchannels = 110 436}; 437#endif 438 439#define VENDOR_LED_ACT(vendor) \ 440{ \ 441 .vid = PCI_VENDOR_##vendor, \ 442 .led_act = { BWN_VENDOR_LED_ACT_##vendor } \ 443} 444 445static const struct { 446 uint16_t vid; 447 uint8_t led_act[BWN_LED_MAX]; 448} bwn_vendor_led_act[] = { 449 VENDOR_LED_ACT(HP_COMPAQ), 450 VENDOR_LED_ACT(ASUSTEK) 451}; 452 453static const uint8_t bwn_default_led_act[BWN_LED_MAX] = 454 { BWN_VENDOR_LED_ACT_DEFAULT }; 455 456#undef VENDOR_LED_ACT 457 458static const char *bwn_led_vars[] = { 459 BHND_NVAR_LEDBH0, 460 BHND_NVAR_LEDBH1, 461 BHND_NVAR_LEDBH2, 462 BHND_NVAR_LEDBH3 463}; 464 465static const struct { 466 int on_dur; 467 int off_dur; 468} bwn_led_duration[109] = { 469 [0] = { 400, 100 }, 470 [2] = { 150, 75 }, 471 [4] = { 90, 45 }, 472 [11] = { 66, 34 }, 473 [12] = { 53, 26 }, 474 [18] = { 42, 21 }, 475 [22] = { 35, 17 }, 476 [24] = { 32, 16 }, 477 [36] = { 21, 10 }, 478 [48] = { 16, 8 }, 479 [72] = { 11, 5 }, 480 [96] = { 9, 4 }, 481 [108] = { 7, 3 } 482}; 483 484static const uint16_t bwn_wme_shm_offsets[] = { 485 [0] = BWN_WME_BESTEFFORT, 486 [1] = BWN_WME_BACKGROUND, 487 [2] = BWN_WME_VOICE, 488 [3] = BWN_WME_VIDEO, 489}; 490 491/* Supported D11 core revisions */ 492#define BWN_DEV(_hwrev) {{ \ 493 BHND_MATCH_CORE(BHND_MFGID_BCM, BHND_COREID_D11), \ 494 BHND_MATCH_CORE_REV(_hwrev), \ 495}} 496static const struct bhnd_device bwn_devices[] = { 497 BWN_DEV(HWREV_RANGE(5, 16)), 498 BWN_DEV(HWREV_EQ(23)), 499 BHND_DEVICE_END 500}; 501 502/* D11 quirks when bridged via a PCI host bridge core */ 503static const struct bhnd_device_quirk pci_bridge_quirks[] = { 504 BHND_CORE_QUIRK (HWREV_LTE(10), BWN_QUIRK_UCODE_SLOWCLOCK_WAR), 505 BHND_DEVICE_QUIRK_END 506}; 507 508/* D11 quirks when bridged via a PCMCIA host bridge core */ 509static const struct bhnd_device_quirk pcmcia_bridge_quirks[] = { 510 BHND_CORE_QUIRK (HWREV_ANY, BWN_QUIRK_NODMA), 511 BHND_DEVICE_QUIRK_END 512}; 513 514/* Host bridge cores for which D11 quirk flags should be applied */ 515static const struct bhnd_device bridge_devices[] = { 516 BHND_DEVICE(BCM, PCI, NULL, pci_bridge_quirks), 517 BHND_DEVICE(BCM, PCMCIA, NULL, pcmcia_bridge_quirks), 518 BHND_DEVICE_END 519}; 520 521static int 522bwn_probe(device_t dev) 523{ 524 const struct bhnd_device *id; 525 526 id = bhnd_device_lookup(dev, bwn_devices, sizeof(bwn_devices[0])); 527 if (id == NULL) 528 return (ENXIO); 529 530 bhnd_set_default_core_desc(dev); 531 return (BUS_PROBE_DEFAULT); 532} 533 534static int 535bwn_attach(device_t dev) 536{ 537 struct bwn_mac *mac; 538 struct bwn_softc *sc; 539 device_t parent, hostb; 540 char chip_name[BHND_CHIPID_MAX_NAMELEN]; 541 int error; 542 543 sc = device_get_softc(dev); 544 sc->sc_dev = dev; 545#ifdef BWN_DEBUG 546 sc->sc_debug = bwn_debug; 547#endif 548 549 mac = NULL; 550 551 /* Determine the driver quirks applicable to this device, including any 552 * quirks specific to the bus host bridge core (if any) */ 553 sc->sc_quirks = bhnd_device_quirks(dev, bwn_devices, 554 sizeof(bwn_devices[0])); 555 556 parent = device_get_parent(dev); 557 if ((hostb = bhnd_bus_find_hostb_device(parent)) != NULL) { 558 sc->sc_quirks |= bhnd_device_quirks(hostb, bridge_devices, 559 sizeof(bridge_devices[0])); 560 } 561 562 /* DMA explicitly disabled? */ 563 if (!bwn_usedma) 564 sc->sc_quirks |= BWN_QUIRK_NODMA; 565 566 /* Fetch our chip identification and board info */ 567 sc->sc_cid = *bhnd_get_chipid(dev); 568 if ((error = bhnd_read_board_info(dev, &sc->sc_board_info))) { 569 device_printf(sc->sc_dev, "couldn't read board info\n"); 570 return (error); 571 } 572 573 /* Allocate our D11 register block and PMU state */ 574 sc->sc_mem_rid = 0; 575 sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 576 &sc->sc_mem_rid, RF_ACTIVE); 577 if (sc->sc_mem_res == NULL) { 578 device_printf(sc->sc_dev, "couldn't allocate registers\n"); 579 return (error); 580 } 581 582 if ((error = bhnd_alloc_pmu(sc->sc_dev))) { 583 bus_release_resource(sc->sc_dev, SYS_RES_MEMORY, 584 sc->sc_mem_rid, sc->sc_mem_res); 585 return (error); 586 } 587 588 /* Retain references to all required bus service providers */ 589 if ((error = bwn_retain_bus_providers(sc))) 590 goto fail; 591 592 /* Fetch mask of available antennas */ 593 error = bhnd_nvram_getvar_uint8(sc->sc_dev, BHND_NVAR_AA2G, 594 &sc->sc_ant2g); 595 if (error) { 596 device_printf(sc->sc_dev, "error determining 2GHz antenna " 597 "availability from NVRAM: %d\n", error); 598 goto fail; 599 } 600 601 error = bhnd_nvram_getvar_uint8(sc->sc_dev, BHND_NVAR_AA5G, 602 &sc->sc_ant5g); 603 if (error) { 604 device_printf(sc->sc_dev, "error determining 5GHz antenna " 605 "availability from NVRAM: %d\n", error); 606 goto fail; 607 } 608 609 if ((sc->sc_flags & BWN_FLAG_ATTACHED) == 0) { 610 bwn_attach_pre(sc); 611 bwn_sprom_bugfixes(dev); 612 sc->sc_flags |= BWN_FLAG_ATTACHED; 613 } 614 615 mac = malloc(sizeof(*mac), M_DEVBUF, M_WAITOK | M_ZERO); 616 mac->mac_sc = sc; 617 mac->mac_status = BWN_MAC_STATUS_UNINIT; 618 if (bwn_bfp != 0) 619 mac->mac_flags |= BWN_MAC_FLAG_BADFRAME_PREEMP; 620 621 TASK_INIT(&mac->mac_hwreset, 0, bwn_hwreset, mac); 622 NET_TASK_INIT(&mac->mac_intrtask, 0, bwn_intrtask, mac); 623 TASK_INIT(&mac->mac_txpower, 0, bwn_txpwr, mac); 624 625 error = bwn_attach_core(mac); 626 if (error) 627 goto fail; 628 error = bwn_led_attach(mac); 629 if (error) 630 goto fail; 631 632 bhnd_format_chip_id(chip_name, sizeof(chip_name), sc->sc_cid.chip_id); 633 device_printf(sc->sc_dev, "WLAN (%s rev %u sromrev %u) " 634 "PHY (analog %d type %d rev %d) RADIO (manuf %#x ver %#x rev %d)\n", 635 chip_name, bhnd_get_hwrev(sc->sc_dev), 636 sc->sc_board_info.board_srom_rev, mac->mac_phy.analog, 637 mac->mac_phy.type, mac->mac_phy.rev, mac->mac_phy.rf_manuf, 638 mac->mac_phy.rf_ver, mac->mac_phy.rf_rev); 639 if (mac->mac_flags & BWN_MAC_FLAG_DMA) 640 device_printf(sc->sc_dev, "DMA (%d bits)\n", mac->mac_dmatype); 641 else 642 device_printf(sc->sc_dev, "PIO\n"); 643 644#ifdef BWN_GPL_PHY 645 device_printf(sc->sc_dev, 646 "Note: compiled with BWN_GPL_PHY; includes GPLv2 code\n"); 647#endif 648 649 mac->mac_rid_irq = 0; 650 mac->mac_res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 651 &mac->mac_rid_irq, RF_ACTIVE | RF_SHAREABLE); 652 653 if (mac->mac_res_irq == NULL) { 654 device_printf(sc->sc_dev, "couldn't allocate IRQ resource\n"); 655 error = ENXIO; 656 goto fail; 657 } 658 659 error = bus_setup_intr(dev, mac->mac_res_irq, 660 INTR_TYPE_NET | INTR_MPSAFE, bwn_intr, NULL, mac, 661 &mac->mac_intrhand); 662 if (error != 0) { 663 device_printf(sc->sc_dev, "couldn't setup interrupt (%d)\n", 664 error); 665 goto fail; 666 } 667 668 TAILQ_INSERT_TAIL(&sc->sc_maclist, mac, mac_list); 669 670 /* 671 * calls attach-post routine 672 */ 673 if ((sc->sc_flags & BWN_FLAG_ATTACHED) != 0) 674 bwn_attach_post(sc); 675 676 return (0); 677fail: 678 if (mac != NULL && mac->mac_res_irq != NULL) { 679 bus_release_resource(dev, SYS_RES_IRQ, mac->mac_rid_irq, 680 mac->mac_res_irq); 681 } 682 683 free(mac, M_DEVBUF); 684 bhnd_release_pmu(dev); 685 bwn_release_bus_providers(sc); 686 687 if (sc->sc_mem_res != NULL) { 688 bus_release_resource(sc->sc_dev, SYS_RES_MEMORY, 689 sc->sc_mem_rid, sc->sc_mem_res); 690 } 691 692 return (error); 693} 694 695static int 696bwn_retain_bus_providers(struct bwn_softc *sc) 697{ 698 struct chipc_caps *ccaps; 699 700 sc->sc_chipc = bhnd_retain_provider(sc->sc_dev, BHND_SERVICE_CHIPC); 701 if (sc->sc_chipc == NULL) { 702 device_printf(sc->sc_dev, "ChipCommon device not found\n"); 703 goto failed; 704 } 705 706 ccaps = BHND_CHIPC_GET_CAPS(sc->sc_chipc); 707 708 sc->sc_gpio = bhnd_retain_provider(sc->sc_dev, BHND_SERVICE_GPIO); 709 if (sc->sc_gpio == NULL) { 710 device_printf(sc->sc_dev, "GPIO device not found\n"); 711 goto failed; 712 } 713 714 if (ccaps->pmu) { 715 sc->sc_pmu = bhnd_retain_provider(sc->sc_dev, BHND_SERVICE_PMU); 716 if (sc->sc_pmu == NULL) { 717 device_printf(sc->sc_dev, "PMU device not found\n"); 718 goto failed; 719 } 720 } 721 722 return (0); 723 724failed: 725 bwn_release_bus_providers(sc); 726 return (ENXIO); 727} 728 729static void 730bwn_release_bus_providers(struct bwn_softc *sc) 731{ 732#define BWN_RELEASE_PROV(_sc, _prov, _service) do { \ 733 if ((_sc)-> _prov != NULL) { \ 734 bhnd_release_provider((_sc)->sc_dev, (_sc)-> _prov, \ 735 (_service)); \ 736 (_sc)-> _prov = NULL; \ 737 } \ 738} while (0) 739 740 BWN_RELEASE_PROV(sc, sc_chipc, BHND_SERVICE_CHIPC); 741 BWN_RELEASE_PROV(sc, sc_gpio, BHND_SERVICE_GPIO); 742 BWN_RELEASE_PROV(sc, sc_pmu, BHND_SERVICE_PMU); 743 744#undef BWN_RELEASE_PROV 745} 746 747static int 748bwn_attach_post(struct bwn_softc *sc) 749{ 750 struct ieee80211com *ic; 751 const char *mac_varname; 752 u_int core_unit; 753 int error; 754 755 ic = &sc->sc_ic; 756 757 ic->ic_softc = sc; 758 ic->ic_name = device_get_nameunit(sc->sc_dev); 759 /* XXX not right but it's not used anywhere important */ 760 ic->ic_phytype = IEEE80211_T_OFDM; 761 ic->ic_opmode = IEEE80211_M_STA; 762 ic->ic_caps = 763 IEEE80211_C_STA /* station mode supported */ 764 | IEEE80211_C_MONITOR /* monitor mode */ 765 | IEEE80211_C_AHDEMO /* adhoc demo mode */ 766 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 767 | IEEE80211_C_SHSLOT /* short slot time supported */ 768 | IEEE80211_C_WME /* WME/WMM supported */ 769 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ 770#if 0 771 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 772#endif 773 | IEEE80211_C_TXPMGT /* capable of txpow mgt */ 774 ; 775 776 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; /* s/w bmiss */ 777 778 /* Determine the NVRAM variable containing our MAC address */ 779 core_unit = bhnd_get_core_unit(sc->sc_dev); 780 mac_varname = NULL; 781 if (sc->sc_board_info.board_srom_rev <= 2) { 782 if (core_unit == 0) { 783 mac_varname = BHND_NVAR_IL0MACADDR; 784 } else if (core_unit == 1) { 785 mac_varname = BHND_NVAR_ET1MACADDR; 786 } 787 } else { 788 if (core_unit == 0) { 789 mac_varname = BHND_NVAR_MACADDR; 790 } 791 } 792 793 if (mac_varname == NULL) { 794 device_printf(sc->sc_dev, "missing MAC address variable for " 795 "D11 core %u", core_unit); 796 return (ENXIO); 797 } 798 799 /* Read the MAC address from NVRAM */ 800 error = bhnd_nvram_getvar_array(sc->sc_dev, mac_varname, ic->ic_macaddr, 801 sizeof(ic->ic_macaddr), BHND_NVRAM_TYPE_UINT8_ARRAY); 802 if (error) { 803 device_printf(sc->sc_dev, "error reading %s: %d\n", mac_varname, 804 error); 805 return (error); 806 } 807 808 /* call MI attach routine. */ 809 ieee80211_ifattach(ic); 810 811 /* override default methods */ 812 ic->ic_raw_xmit = bwn_raw_xmit; 813 ic->ic_updateslot = bwn_updateslot; 814 ic->ic_update_promisc = bwn_update_promisc; 815 ic->ic_wme.wme_update = bwn_wme_update; 816 ic->ic_scan_start = bwn_scan_start; 817 ic->ic_scan_end = bwn_scan_end; 818 ic->ic_set_channel = bwn_set_channel; 819 ic->ic_vap_create = bwn_vap_create; 820 ic->ic_vap_delete = bwn_vap_delete; 821 ic->ic_transmit = bwn_transmit; 822 ic->ic_parent = bwn_parent; 823 824 ieee80211_radiotap_attach(ic, 825 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th), 826 BWN_TX_RADIOTAP_PRESENT, 827 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th), 828 BWN_RX_RADIOTAP_PRESENT); 829 830 bwn_sysctl_node(sc); 831 832 if (bootverbose) 833 ieee80211_announce(ic); 834 return (0); 835} 836 837static void 838bwn_phy_detach(struct bwn_mac *mac) 839{ 840 841 if (mac->mac_phy.detach != NULL) 842 mac->mac_phy.detach(mac); 843} 844 845static int 846bwn_detach(device_t dev) 847{ 848 struct bwn_softc *sc = device_get_softc(dev); 849 struct bwn_mac *mac = sc->sc_curmac; 850 struct ieee80211com *ic = &sc->sc_ic; 851 852 sc->sc_flags |= BWN_FLAG_INVALID; 853 854 if (device_is_attached(sc->sc_dev)) { 855 BWN_LOCK(sc); 856 bwn_stop(sc); 857 BWN_UNLOCK(sc); 858 bwn_dma_free(mac); 859 callout_drain(&sc->sc_led_blink_ch); 860 callout_drain(&sc->sc_rfswitch_ch); 861 callout_drain(&sc->sc_task_ch); 862 callout_drain(&sc->sc_watchdog_ch); 863 bwn_phy_detach(mac); 864 ieee80211_draintask(ic, &mac->mac_hwreset); 865 ieee80211_draintask(ic, &mac->mac_txpower); 866 ieee80211_ifdetach(ic); 867 } 868 taskqueue_drain(sc->sc_tq, &mac->mac_intrtask); 869 taskqueue_free(sc->sc_tq); 870 871 if (mac->mac_intrhand != NULL) { 872 bus_teardown_intr(dev, mac->mac_res_irq, mac->mac_intrhand); 873 mac->mac_intrhand = NULL; 874 } 875 876 bhnd_release_pmu(dev); 877 bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_mem_rid, 878 sc->sc_mem_res); 879 bus_release_resource(dev, SYS_RES_IRQ, mac->mac_rid_irq, 880 mac->mac_res_irq); 881 mbufq_drain(&sc->sc_snd); 882 bwn_release_firmware(mac); 883 BWN_LOCK_DESTROY(sc); 884 885 bwn_release_bus_providers(sc); 886 887 return (0); 888} 889 890static void 891bwn_attach_pre(struct bwn_softc *sc) 892{ 893 894 BWN_LOCK_INIT(sc); 895 TAILQ_INIT(&sc->sc_maclist); 896 callout_init_mtx(&sc->sc_rfswitch_ch, &sc->sc_mtx, 0); 897 callout_init_mtx(&sc->sc_task_ch, &sc->sc_mtx, 0); 898 callout_init_mtx(&sc->sc_watchdog_ch, &sc->sc_mtx, 0); 899 mbufq_init(&sc->sc_snd, ifqmaxlen); 900 sc->sc_tq = taskqueue_create_fast("bwn_taskq", M_NOWAIT, 901 taskqueue_thread_enqueue, &sc->sc_tq); 902 taskqueue_start_threads(&sc->sc_tq, 1, PI_NET, 903 "%s taskq", device_get_nameunit(sc->sc_dev)); 904} 905 906static void 907bwn_sprom_bugfixes(device_t dev) 908{ 909 struct bwn_softc *sc = device_get_softc(dev); 910 911#define BWN_ISDEV(_device, _subvendor, _subdevice) \ 912 ((sc->sc_board_info.board_devid == PCI_DEVID_##_device) && \ 913 (sc->sc_board_info.board_vendor == PCI_VENDOR_##_subvendor) && \ 914 (sc->sc_board_info.board_type == _subdevice)) 915 916 /* A subset of Apple Airport Extreme (BCM4306 rev 2) devices 917 * were programmed with a missing PACTRL boardflag */ 918 if (sc->sc_board_info.board_vendor == PCI_VENDOR_APPLE && 919 sc->sc_board_info.board_type == 0x4e && 920 sc->sc_board_info.board_rev > 0x40) 921 sc->sc_board_info.board_flags |= BHND_BFL_PACTRL; 922 923 if (BWN_ISDEV(BCM4318_D11G, ASUSTEK, 0x100f) || 924 BWN_ISDEV(BCM4306_D11G, DELL, 0x0003) || 925 BWN_ISDEV(BCM4306_D11G, HP, 0x12f8) || 926 BWN_ISDEV(BCM4306_D11G, LINKSYS, 0x0013) || 927 BWN_ISDEV(BCM4306_D11G, LINKSYS, 0x0014) || 928 BWN_ISDEV(BCM4306_D11G, LINKSYS, 0x0015) || 929 BWN_ISDEV(BCM4306_D11G, MOTOROLA, 0x7010)) 930 sc->sc_board_info.board_flags &= ~BHND_BFL_BTCOEX; 931#undef BWN_ISDEV 932} 933 934static void 935bwn_parent(struct ieee80211com *ic) 936{ 937 struct bwn_softc *sc = ic->ic_softc; 938 int startall = 0; 939 940 BWN_LOCK(sc); 941 if (ic->ic_nrunning > 0) { 942 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) { 943 bwn_init(sc); 944 startall = 1; 945 } else 946 bwn_update_promisc(ic); 947 } else if (sc->sc_flags & BWN_FLAG_RUNNING) 948 bwn_stop(sc); 949 BWN_UNLOCK(sc); 950 951 if (startall) 952 ieee80211_start_all(ic); 953} 954 955static int 956bwn_transmit(struct ieee80211com *ic, struct mbuf *m) 957{ 958 struct bwn_softc *sc = ic->ic_softc; 959 int error; 960 961 BWN_LOCK(sc); 962 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) { 963 BWN_UNLOCK(sc); 964 return (ENXIO); 965 } 966 error = mbufq_enqueue(&sc->sc_snd, m); 967 if (error) { 968 BWN_UNLOCK(sc); 969 return (error); 970 } 971 bwn_start(sc); 972 BWN_UNLOCK(sc); 973 return (0); 974} 975 976static void 977bwn_start(struct bwn_softc *sc) 978{ 979 struct bwn_mac *mac = sc->sc_curmac; 980 struct ieee80211_frame *wh; 981 struct ieee80211_node *ni; 982 struct ieee80211_key *k; 983 struct mbuf *m; 984 985 BWN_ASSERT_LOCKED(sc); 986 987 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0 || mac == NULL || 988 mac->mac_status < BWN_MAC_STATUS_STARTED) 989 return; 990 991 while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 992 if (bwn_tx_isfull(sc, m)) 993 break; 994 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 995 if (ni == NULL) { 996 device_printf(sc->sc_dev, "unexpected NULL ni\n"); 997 m_freem(m); 998 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 999 continue; 1000 } 1001 wh = mtod(m, struct ieee80211_frame *); 1002 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1003 k = ieee80211_crypto_encap(ni, m); 1004 if (k == NULL) { 1005 if_inc_counter(ni->ni_vap->iv_ifp, 1006 IFCOUNTER_OERRORS, 1); 1007 ieee80211_free_node(ni); 1008 m_freem(m); 1009 continue; 1010 } 1011 } 1012 wh = NULL; /* Catch any invalid use */ 1013 if (bwn_tx_start(sc, ni, m) != 0) { 1014 if (ni != NULL) { 1015 if_inc_counter(ni->ni_vap->iv_ifp, 1016 IFCOUNTER_OERRORS, 1); 1017 ieee80211_free_node(ni); 1018 } 1019 continue; 1020 } 1021 sc->sc_watchdog_timer = 5; 1022 } 1023} 1024 1025static int 1026bwn_tx_isfull(struct bwn_softc *sc, struct mbuf *m) 1027{ 1028 struct bwn_dma_ring *dr; 1029 struct bwn_mac *mac = sc->sc_curmac; 1030 struct bwn_pio_txqueue *tq; 1031 int pktlen = roundup(m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 1032 1033 BWN_ASSERT_LOCKED(sc); 1034 1035 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 1036 dr = bwn_dma_select(mac, M_WME_GETAC(m)); 1037 if (dr->dr_stop == 1 || 1038 bwn_dma_freeslot(dr) < BWN_TX_SLOTS_PER_FRAME) { 1039 dr->dr_stop = 1; 1040 goto full; 1041 } 1042 } else { 1043 tq = bwn_pio_select(mac, M_WME_GETAC(m)); 1044 if (tq->tq_free == 0 || pktlen > tq->tq_size || 1045 pktlen > (tq->tq_size - tq->tq_used)) 1046 goto full; 1047 } 1048 return (0); 1049full: 1050 mbufq_prepend(&sc->sc_snd, m); 1051 return (1); 1052} 1053 1054static int 1055bwn_tx_start(struct bwn_softc *sc, struct ieee80211_node *ni, struct mbuf *m) 1056{ 1057 struct bwn_mac *mac = sc->sc_curmac; 1058 int error; 1059 1060 BWN_ASSERT_LOCKED(sc); 1061 1062 if (m->m_pkthdr.len < IEEE80211_MIN_LEN || mac == NULL) { 1063 m_freem(m); 1064 return (ENXIO); 1065 } 1066 1067 error = (mac->mac_flags & BWN_MAC_FLAG_DMA) ? 1068 bwn_dma_tx_start(mac, ni, &m) : bwn_pio_tx_start(mac, ni, &m); 1069 if (error) { 1070 m_freem(m); 1071 return (error); 1072 } 1073 return (0); 1074} 1075 1076static int 1077bwn_pio_tx_start(struct bwn_mac *mac, struct ieee80211_node *ni, 1078 struct mbuf **mp) 1079{ 1080 struct bwn_pio_txpkt *tp; 1081 struct bwn_pio_txqueue *tq; 1082 struct bwn_softc *sc = mac->mac_sc; 1083 struct bwn_txhdr txhdr; 1084 struct mbuf *m, *m_new; 1085 uint32_t ctl32; 1086 int error; 1087 uint16_t ctl16; 1088 1089 BWN_ASSERT_LOCKED(sc); 1090 1091 /* XXX TODO send packets after DTIM */ 1092 1093 m = *mp; 1094 tq = bwn_pio_select(mac, M_WME_GETAC(m)); 1095 KASSERT(!TAILQ_EMPTY(&tq->tq_pktlist), ("%s: fail", __func__)); 1096 tp = TAILQ_FIRST(&tq->tq_pktlist); 1097 tp->tp_ni = ni; 1098 tp->tp_m = m; 1099 1100 error = bwn_set_txhdr(mac, ni, m, &txhdr, BWN_PIO_COOKIE(tq, tp)); 1101 if (error) { 1102 device_printf(sc->sc_dev, "tx fail\n"); 1103 return (error); 1104 } 1105 1106 TAILQ_REMOVE(&tq->tq_pktlist, tp, tp_list); 1107 tq->tq_used += roundup(m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 1108 tq->tq_free--; 1109 1110 if (bhnd_get_hwrev(sc->sc_dev) >= 8) { 1111 /* 1112 * XXX please removes m_defrag(9) 1113 */ 1114 m_new = m_defrag(*mp, M_NOWAIT); 1115 if (m_new == NULL) { 1116 device_printf(sc->sc_dev, 1117 "%s: can't defrag TX buffer\n", 1118 __func__); 1119 return (ENOBUFS); 1120 } 1121 *mp = m_new; 1122 if (m_new->m_next != NULL) 1123 device_printf(sc->sc_dev, 1124 "TODO: fragmented packets for PIO\n"); 1125 tp->tp_m = m_new; 1126 1127 /* send HEADER */ 1128 ctl32 = bwn_pio_write_multi_4(mac, tq, 1129 (BWN_PIO_READ_4(mac, tq, BWN_PIO8_TXCTL) | 1130 BWN_PIO8_TXCTL_FRAMEREADY) & ~BWN_PIO8_TXCTL_EOF, 1131 (const uint8_t *)&txhdr, BWN_HDRSIZE(mac)); 1132 /* send BODY */ 1133 ctl32 = bwn_pio_write_multi_4(mac, tq, ctl32, 1134 mtod(m_new, const void *), m_new->m_pkthdr.len); 1135 bwn_pio_write_4(mac, tq, BWN_PIO_TXCTL, 1136 ctl32 | BWN_PIO8_TXCTL_EOF); 1137 } else { 1138 ctl16 = bwn_pio_write_multi_2(mac, tq, 1139 (bwn_pio_read_2(mac, tq, BWN_PIO_TXCTL) | 1140 BWN_PIO_TXCTL_FRAMEREADY) & ~BWN_PIO_TXCTL_EOF, 1141 (const uint8_t *)&txhdr, BWN_HDRSIZE(mac)); 1142 ctl16 = bwn_pio_write_mbuf_2(mac, tq, ctl16, m); 1143 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, 1144 ctl16 | BWN_PIO_TXCTL_EOF); 1145 } 1146 1147 return (0); 1148} 1149 1150static struct bwn_pio_txqueue * 1151bwn_pio_select(struct bwn_mac *mac, uint8_t prio) 1152{ 1153 1154 if ((mac->mac_flags & BWN_MAC_FLAG_WME) == 0) 1155 return (&mac->mac_method.pio.wme[WME_AC_BE]); 1156 1157 switch (prio) { 1158 case 0: 1159 return (&mac->mac_method.pio.wme[WME_AC_BE]); 1160 case 1: 1161 return (&mac->mac_method.pio.wme[WME_AC_BK]); 1162 case 2: 1163 return (&mac->mac_method.pio.wme[WME_AC_VI]); 1164 case 3: 1165 return (&mac->mac_method.pio.wme[WME_AC_VO]); 1166 } 1167 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 1168 return (NULL); 1169} 1170 1171static int 1172bwn_dma_tx_start(struct bwn_mac *mac, struct ieee80211_node *ni, 1173 struct mbuf **mp) 1174{ 1175#define BWN_GET_TXHDRCACHE(slot) \ 1176 &(txhdr_cache[(slot / BWN_TX_SLOTS_PER_FRAME) * BWN_HDRSIZE(mac)]) 1177 struct bwn_dma *dma = &mac->mac_method.dma; 1178 struct bwn_dma_ring *dr = bwn_dma_select(mac, M_WME_GETAC(*mp)); 1179 struct bwn_dmadesc_generic *desc; 1180 struct bwn_dmadesc_meta *mt; 1181 struct bwn_softc *sc = mac->mac_sc; 1182 struct mbuf *m; 1183 uint8_t *txhdr_cache = (uint8_t *)dr->dr_txhdr_cache; 1184 int error, slot, backup[2] = { dr->dr_curslot, dr->dr_usedslot }; 1185 1186 BWN_ASSERT_LOCKED(sc); 1187 KASSERT(!dr->dr_stop, ("%s:%d: fail", __func__, __LINE__)); 1188 1189 /* XXX send after DTIM */ 1190 1191 m = *mp; 1192 slot = bwn_dma_getslot(dr); 1193 dr->getdesc(dr, slot, &desc, &mt); 1194 KASSERT(mt->mt_txtype == BWN_DMADESC_METATYPE_HEADER, 1195 ("%s:%d: fail", __func__, __LINE__)); 1196 1197 error = bwn_set_txhdr(dr->dr_mac, ni, m, 1198 (struct bwn_txhdr *)BWN_GET_TXHDRCACHE(slot), 1199 BWN_DMA_COOKIE(dr, slot)); 1200 if (error) 1201 goto fail; 1202 error = bus_dmamap_load(dr->dr_txring_dtag, mt->mt_dmap, 1203 BWN_GET_TXHDRCACHE(slot), BWN_HDRSIZE(mac), bwn_dma_ring_addr, 1204 &mt->mt_paddr, BUS_DMA_NOWAIT); 1205 if (error) { 1206 device_printf(sc->sc_dev, "%s: can't load TX buffer (1) %d\n", 1207 __func__, error); 1208 goto fail; 1209 } 1210 bus_dmamap_sync(dr->dr_txring_dtag, mt->mt_dmap, 1211 BUS_DMASYNC_PREWRITE); 1212 dr->setdesc(dr, desc, mt->mt_paddr, BWN_HDRSIZE(mac), 1, 0, 0); 1213 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 1214 BUS_DMASYNC_PREWRITE); 1215 1216 slot = bwn_dma_getslot(dr); 1217 dr->getdesc(dr, slot, &desc, &mt); 1218 KASSERT(mt->mt_txtype == BWN_DMADESC_METATYPE_BODY && 1219 mt->mt_islast == 1, ("%s:%d: fail", __func__, __LINE__)); 1220 mt->mt_m = m; 1221 mt->mt_ni = ni; 1222 1223 error = bus_dmamap_load_mbuf(dma->txbuf_dtag, mt->mt_dmap, m, 1224 bwn_dma_buf_addr, &mt->mt_paddr, BUS_DMA_NOWAIT); 1225 if (error && error != EFBIG) { 1226 device_printf(sc->sc_dev, "%s: can't load TX buffer (1) %d\n", 1227 __func__, error); 1228 goto fail; 1229 } 1230 if (error) { /* error == EFBIG */ 1231 struct mbuf *m_new; 1232 1233 m_new = m_defrag(m, M_NOWAIT); 1234 if (m_new == NULL) { 1235 device_printf(sc->sc_dev, 1236 "%s: can't defrag TX buffer\n", 1237 __func__); 1238 error = ENOBUFS; 1239 goto fail; 1240 } 1241 *mp = m = m_new; 1242 1243 mt->mt_m = m; 1244 error = bus_dmamap_load_mbuf(dma->txbuf_dtag, mt->mt_dmap, 1245 m, bwn_dma_buf_addr, &mt->mt_paddr, BUS_DMA_NOWAIT); 1246 if (error) { 1247 device_printf(sc->sc_dev, 1248 "%s: can't load TX buffer (2) %d\n", 1249 __func__, error); 1250 goto fail; 1251 } 1252 } 1253 bus_dmamap_sync(dma->txbuf_dtag, mt->mt_dmap, BUS_DMASYNC_PREWRITE); 1254 dr->setdesc(dr, desc, mt->mt_paddr, m->m_pkthdr.len, 0, 1, 1); 1255 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 1256 BUS_DMASYNC_PREWRITE); 1257 1258 /* XXX send after DTIM */ 1259 1260 dr->start_transfer(dr, bwn_dma_nextslot(dr, slot)); 1261 return (0); 1262fail: 1263 dr->dr_curslot = backup[0]; 1264 dr->dr_usedslot = backup[1]; 1265 return (error); 1266#undef BWN_GET_TXHDRCACHE 1267} 1268 1269static void 1270bwn_watchdog(void *arg) 1271{ 1272 struct bwn_softc *sc = arg; 1273 1274 if (sc->sc_watchdog_timer != 0 && --sc->sc_watchdog_timer == 0) { 1275 device_printf(sc->sc_dev, "device timeout\n"); 1276 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 1277 } 1278 callout_schedule(&sc->sc_watchdog_ch, hz); 1279} 1280 1281static int 1282bwn_attach_core(struct bwn_mac *mac) 1283{ 1284 struct bwn_softc *sc = mac->mac_sc; 1285 int error, have_bg = 0, have_a = 0; 1286 uint16_t iost; 1287 1288 KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 5, 1289 ("unsupported revision %d", bhnd_get_hwrev(sc->sc_dev))); 1290 1291 if ((error = bwn_core_forceclk(mac, true))) 1292 return (error); 1293 1294 if ((error = bhnd_read_iost(sc->sc_dev, &iost))) { 1295 device_printf(sc->sc_dev, "error reading I/O status flags: " 1296 "%d\n", error); 1297 return (error); 1298 } 1299 1300 have_a = (iost & BWN_IOST_HAVE_5GHZ) ? 1 : 0; 1301 have_bg = (iost & BWN_IOST_HAVE_2GHZ) ? 1 : 0; 1302 if (iost & BWN_IOST_DUALPHY) { 1303 have_bg = 1; 1304 have_a = 1; 1305 } 1306 1307#if 0 1308 device_printf(sc->sc_dev, "%s: iost=0x%04hx, have_a=%d, have_bg=%d," 1309 " deviceid=0x%04x, siba_deviceid=0x%04x\n", 1310 __func__, 1311 iost, 1312 have_a, 1313 have_bg, 1314 sc->sc_board_info.board_devid, 1315 sc->sc_cid.chip_id); 1316#endif 1317 1318 /* 1319 * Guess at whether it has A-PHY or G-PHY. 1320 * This is just used for resetting the core to probe things; 1321 * we will re-guess once it's all up and working. 1322 */ 1323 error = bwn_reset_core(mac, have_bg); 1324 if (error) 1325 goto fail; 1326 1327 /* 1328 * Determine the DMA engine type 1329 */ 1330 if (iost & BHND_IOST_DMA64) { 1331 mac->mac_dmatype = BHND_DMA_ADDR_64BIT; 1332 } else { 1333 uint32_t tmp; 1334 uint16_t base; 1335 1336 base = bwn_dma_base(0, 0); 1337 BWN_WRITE_4(mac, base + BWN_DMA32_TXCTL, 1338 BWN_DMA32_TXADDREXT_MASK); 1339 tmp = BWN_READ_4(mac, base + BWN_DMA32_TXCTL); 1340 if (tmp & BWN_DMA32_TXADDREXT_MASK) { 1341 mac->mac_dmatype = BHND_DMA_ADDR_32BIT; 1342 } else { 1343 mac->mac_dmatype = BHND_DMA_ADDR_30BIT; 1344 } 1345 } 1346 1347 /* 1348 * Get the PHY version. 1349 */ 1350 error = bwn_phy_getinfo(mac, have_bg); 1351 if (error) 1352 goto fail; 1353 1354 /* 1355 * This is the whitelist of devices which we "believe" 1356 * the SPROM PHY config from. The rest are "guessed". 1357 */ 1358 if (sc->sc_board_info.board_devid != PCI_DEVID_BCM4311_D11DUAL && 1359 sc->sc_board_info.board_devid != PCI_DEVID_BCM4328_D11G && 1360 sc->sc_board_info.board_devid != PCI_DEVID_BCM4318_D11DUAL && 1361 sc->sc_board_info.board_devid != PCI_DEVID_BCM4306_D11DUAL && 1362 sc->sc_board_info.board_devid != PCI_DEVID_BCM4321_D11N && 1363 sc->sc_board_info.board_devid != PCI_DEVID_BCM4322_D11N) { 1364 have_a = have_bg = 0; 1365 if (mac->mac_phy.type == BWN_PHYTYPE_A) 1366 have_a = 1; 1367 else if (mac->mac_phy.type == BWN_PHYTYPE_G || 1368 mac->mac_phy.type == BWN_PHYTYPE_N || 1369 mac->mac_phy.type == BWN_PHYTYPE_LP) 1370 have_bg = 1; 1371 else 1372 KASSERT(0 == 1, ("%s: unknown phy type (%d)", __func__, 1373 mac->mac_phy.type)); 1374 } 1375 1376 /* 1377 * XXX The PHY-G support doesn't do 5GHz operation. 1378 */ 1379 if (mac->mac_phy.type != BWN_PHYTYPE_LP && 1380 mac->mac_phy.type != BWN_PHYTYPE_N) { 1381 device_printf(sc->sc_dev, 1382 "%s: forcing 2GHz only; no dual-band support for PHY\n", 1383 __func__); 1384 have_a = 0; 1385 have_bg = 1; 1386 } 1387 1388 mac->mac_phy.phy_n = NULL; 1389 1390 if (mac->mac_phy.type == BWN_PHYTYPE_G) { 1391 mac->mac_phy.attach = bwn_phy_g_attach; 1392 mac->mac_phy.detach = bwn_phy_g_detach; 1393 mac->mac_phy.prepare_hw = bwn_phy_g_prepare_hw; 1394 mac->mac_phy.init_pre = bwn_phy_g_init_pre; 1395 mac->mac_phy.init = bwn_phy_g_init; 1396 mac->mac_phy.exit = bwn_phy_g_exit; 1397 mac->mac_phy.phy_read = bwn_phy_g_read; 1398 mac->mac_phy.phy_write = bwn_phy_g_write; 1399 mac->mac_phy.rf_read = bwn_phy_g_rf_read; 1400 mac->mac_phy.rf_write = bwn_phy_g_rf_write; 1401 mac->mac_phy.use_hwpctl = bwn_phy_g_hwpctl; 1402 mac->mac_phy.rf_onoff = bwn_phy_g_rf_onoff; 1403 mac->mac_phy.switch_analog = bwn_phy_switch_analog; 1404 mac->mac_phy.switch_channel = bwn_phy_g_switch_channel; 1405 mac->mac_phy.get_default_chan = bwn_phy_g_get_default_chan; 1406 mac->mac_phy.set_antenna = bwn_phy_g_set_antenna; 1407 mac->mac_phy.set_im = bwn_phy_g_im; 1408 mac->mac_phy.recalc_txpwr = bwn_phy_g_recalc_txpwr; 1409 mac->mac_phy.set_txpwr = bwn_phy_g_set_txpwr; 1410 mac->mac_phy.task_15s = bwn_phy_g_task_15s; 1411 mac->mac_phy.task_60s = bwn_phy_g_task_60s; 1412 } else if (mac->mac_phy.type == BWN_PHYTYPE_LP) { 1413 mac->mac_phy.init_pre = bwn_phy_lp_init_pre; 1414 mac->mac_phy.init = bwn_phy_lp_init; 1415 mac->mac_phy.phy_read = bwn_phy_lp_read; 1416 mac->mac_phy.phy_write = bwn_phy_lp_write; 1417 mac->mac_phy.phy_maskset = bwn_phy_lp_maskset; 1418 mac->mac_phy.rf_read = bwn_phy_lp_rf_read; 1419 mac->mac_phy.rf_write = bwn_phy_lp_rf_write; 1420 mac->mac_phy.rf_onoff = bwn_phy_lp_rf_onoff; 1421 mac->mac_phy.switch_analog = bwn_phy_lp_switch_analog; 1422 mac->mac_phy.switch_channel = bwn_phy_lp_switch_channel; 1423 mac->mac_phy.get_default_chan = bwn_phy_lp_get_default_chan; 1424 mac->mac_phy.set_antenna = bwn_phy_lp_set_antenna; 1425 mac->mac_phy.task_60s = bwn_phy_lp_task_60s; 1426 } else if (mac->mac_phy.type == BWN_PHYTYPE_N) { 1427 mac->mac_phy.attach = bwn_phy_n_attach; 1428 mac->mac_phy.detach = bwn_phy_n_detach; 1429 mac->mac_phy.prepare_hw = bwn_phy_n_prepare_hw; 1430 mac->mac_phy.init_pre = bwn_phy_n_init_pre; 1431 mac->mac_phy.init = bwn_phy_n_init; 1432 mac->mac_phy.exit = bwn_phy_n_exit; 1433 mac->mac_phy.phy_read = bwn_phy_n_read; 1434 mac->mac_phy.phy_write = bwn_phy_n_write; 1435 mac->mac_phy.rf_read = bwn_phy_n_rf_read; 1436 mac->mac_phy.rf_write = bwn_phy_n_rf_write; 1437 mac->mac_phy.use_hwpctl = bwn_phy_n_hwpctl; 1438 mac->mac_phy.rf_onoff = bwn_phy_n_rf_onoff; 1439 mac->mac_phy.switch_analog = bwn_phy_n_switch_analog; 1440 mac->mac_phy.switch_channel = bwn_phy_n_switch_channel; 1441 mac->mac_phy.get_default_chan = bwn_phy_n_get_default_chan; 1442 mac->mac_phy.set_antenna = bwn_phy_n_set_antenna; 1443 mac->mac_phy.set_im = bwn_phy_n_im; 1444 mac->mac_phy.recalc_txpwr = bwn_phy_n_recalc_txpwr; 1445 mac->mac_phy.set_txpwr = bwn_phy_n_set_txpwr; 1446 mac->mac_phy.task_15s = bwn_phy_n_task_15s; 1447 mac->mac_phy.task_60s = bwn_phy_n_task_60s; 1448 } else { 1449 device_printf(sc->sc_dev, "unsupported PHY type (%d)\n", 1450 mac->mac_phy.type); 1451 error = ENXIO; 1452 goto fail; 1453 } 1454 1455 mac->mac_phy.gmode = have_bg; 1456 if (mac->mac_phy.attach != NULL) { 1457 error = mac->mac_phy.attach(mac); 1458 if (error) { 1459 device_printf(sc->sc_dev, "failed\n"); 1460 goto fail; 1461 } 1462 } 1463 1464 error = bwn_reset_core(mac, have_bg); 1465 if (error) 1466 goto fail; 1467 1468 error = bwn_chiptest(mac); 1469 if (error) 1470 goto fail; 1471 error = bwn_setup_channels(mac, have_bg, have_a); 1472 if (error) { 1473 device_printf(sc->sc_dev, "failed to setup channels\n"); 1474 goto fail; 1475 } 1476 1477 if (sc->sc_curmac == NULL) 1478 sc->sc_curmac = mac; 1479 1480 error = bwn_dma_attach(mac); 1481 if (error != 0) { 1482 device_printf(sc->sc_dev, "failed to initialize DMA\n"); 1483 goto fail; 1484 } 1485 1486 mac->mac_phy.switch_analog(mac, 0); 1487 1488fail: 1489 bhnd_suspend_hw(sc->sc_dev, 0); 1490 bwn_release_firmware(mac); 1491 return (error); 1492} 1493 1494/* 1495 * Reset 1496 */ 1497int 1498bwn_reset_core(struct bwn_mac *mac, int g_mode) 1499{ 1500 struct bwn_softc *sc; 1501 uint32_t ctl; 1502 uint16_t ioctl, ioctl_mask; 1503 int error; 1504 1505 sc = mac->mac_sc; 1506 1507 DPRINTF(sc, BWN_DEBUG_RESET, "%s: g_mode=%d\n", __func__, g_mode); 1508 1509 /* Reset core */ 1510 ioctl = (BWN_IOCTL_PHYCLOCK_ENABLE | BWN_IOCTL_PHYRESET); 1511 if (g_mode) 1512 ioctl |= BWN_IOCTL_SUPPORT_G; 1513 1514 /* XXX N-PHY only; and hard-code to 20MHz for now */ 1515 if (mac->mac_phy.type == BWN_PHYTYPE_N) 1516 ioctl |= BWN_IOCTL_PHY_BANDWIDTH_20MHZ; 1517 1518 if ((error = bhnd_reset_hw(sc->sc_dev, ioctl, ioctl))) { 1519 device_printf(sc->sc_dev, "core reset failed: %d", error); 1520 return (error); 1521 } 1522 1523 DELAY(2000); 1524 1525 /* Take PHY out of reset */ 1526 ioctl = BHND_IOCTL_CLK_FORCE; 1527 ioctl_mask = BHND_IOCTL_CLK_FORCE | 1528 BWN_IOCTL_PHYRESET | 1529 BWN_IOCTL_PHYCLOCK_ENABLE; 1530 1531 if ((error = bhnd_write_ioctl(sc->sc_dev, ioctl, ioctl_mask))) { 1532 device_printf(sc->sc_dev, "failed to set core ioctl flags: " 1533 "%d\n", error); 1534 return (error); 1535 } 1536 1537 DELAY(2000); 1538 1539 ioctl = BWN_IOCTL_PHYCLOCK_ENABLE; 1540 if ((error = bhnd_write_ioctl(sc->sc_dev, ioctl, ioctl_mask))) { 1541 device_printf(sc->sc_dev, "failed to set core ioctl flags: " 1542 "%d\n", error); 1543 return (error); 1544 } 1545 1546 DELAY(2000); 1547 1548 if (mac->mac_phy.switch_analog != NULL) 1549 mac->mac_phy.switch_analog(mac, 1); 1550 1551 ctl = BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_GMODE; 1552 if (g_mode) 1553 ctl |= BWN_MACCTL_GMODE; 1554 BWN_WRITE_4(mac, BWN_MACCTL, ctl | BWN_MACCTL_IHR_ON); 1555 1556 return (0); 1557} 1558 1559static int 1560bwn_phy_getinfo(struct bwn_mac *mac, int gmode) 1561{ 1562 struct bwn_phy *phy = &mac->mac_phy; 1563 struct bwn_softc *sc = mac->mac_sc; 1564 uint32_t tmp; 1565 1566 /* PHY */ 1567 tmp = BWN_READ_2(mac, BWN_PHYVER); 1568 phy->gmode = gmode; 1569 phy->rf_on = 1; 1570 phy->analog = (tmp & BWN_PHYVER_ANALOG) >> 12; 1571 phy->type = (tmp & BWN_PHYVER_TYPE) >> 8; 1572 phy->rev = (tmp & BWN_PHYVER_VERSION); 1573 if ((phy->type == BWN_PHYTYPE_A && phy->rev >= 4) || 1574 (phy->type == BWN_PHYTYPE_B && phy->rev != 2 && 1575 phy->rev != 4 && phy->rev != 6 && phy->rev != 7) || 1576 (phy->type == BWN_PHYTYPE_G && phy->rev > 9) || 1577 (phy->type == BWN_PHYTYPE_N && phy->rev > 6) || 1578 (phy->type == BWN_PHYTYPE_LP && phy->rev > 2)) 1579 goto unsupphy; 1580 1581 /* RADIO */ 1582 BWN_WRITE_2(mac, BWN_RFCTL, BWN_RFCTL_ID); 1583 tmp = BWN_READ_2(mac, BWN_RFDATALO); 1584 BWN_WRITE_2(mac, BWN_RFCTL, BWN_RFCTL_ID); 1585 tmp |= (uint32_t)BWN_READ_2(mac, BWN_RFDATAHI) << 16; 1586 1587 phy->rf_rev = (tmp & 0xf0000000) >> 28; 1588 phy->rf_ver = (tmp & 0x0ffff000) >> 12; 1589 phy->rf_manuf = (tmp & 0x00000fff); 1590 1591 /* 1592 * For now, just always do full init (ie, what bwn has traditionally 1593 * done) 1594 */ 1595 phy->phy_do_full_init = 1; 1596 1597 if (phy->rf_manuf != 0x17f) /* 0x17f is broadcom */ 1598 goto unsupradio; 1599 if ((phy->type == BWN_PHYTYPE_A && (phy->rf_ver != 0x2060 || 1600 phy->rf_rev != 1 || phy->rf_manuf != 0x17f)) || 1601 (phy->type == BWN_PHYTYPE_B && (phy->rf_ver & 0xfff0) != 0x2050) || 1602 (phy->type == BWN_PHYTYPE_G && phy->rf_ver != 0x2050) || 1603 (phy->type == BWN_PHYTYPE_N && 1604 phy->rf_ver != 0x2055 && phy->rf_ver != 0x2056) || 1605 (phy->type == BWN_PHYTYPE_LP && 1606 phy->rf_ver != 0x2062 && phy->rf_ver != 0x2063)) 1607 goto unsupradio; 1608 1609 return (0); 1610unsupphy: 1611 device_printf(sc->sc_dev, "unsupported PHY (type %#x, rev %#x, " 1612 "analog %#x)\n", 1613 phy->type, phy->rev, phy->analog); 1614 return (ENXIO); 1615unsupradio: 1616 device_printf(sc->sc_dev, "unsupported radio (manuf %#x, ver %#x, " 1617 "rev %#x)\n", 1618 phy->rf_manuf, phy->rf_ver, phy->rf_rev); 1619 return (ENXIO); 1620} 1621 1622static int 1623bwn_chiptest(struct bwn_mac *mac) 1624{ 1625#define TESTVAL0 0x55aaaa55 1626#define TESTVAL1 0xaa5555aa 1627 struct bwn_softc *sc = mac->mac_sc; 1628 uint32_t v, backup; 1629 1630 BWN_LOCK(sc); 1631 1632 backup = bwn_shm_read_4(mac, BWN_SHARED, 0); 1633 1634 bwn_shm_write_4(mac, BWN_SHARED, 0, TESTVAL0); 1635 if (bwn_shm_read_4(mac, BWN_SHARED, 0) != TESTVAL0) 1636 goto error; 1637 bwn_shm_write_4(mac, BWN_SHARED, 0, TESTVAL1); 1638 if (bwn_shm_read_4(mac, BWN_SHARED, 0) != TESTVAL1) 1639 goto error; 1640 1641 bwn_shm_write_4(mac, BWN_SHARED, 0, backup); 1642 1643 if ((bhnd_get_hwrev(sc->sc_dev) >= 3) && 1644 (bhnd_get_hwrev(sc->sc_dev) <= 10)) { 1645 BWN_WRITE_2(mac, BWN_TSF_CFP_START, 0xaaaa); 1646 BWN_WRITE_4(mac, BWN_TSF_CFP_START, 0xccccbbbb); 1647 if (BWN_READ_2(mac, BWN_TSF_CFP_START_LOW) != 0xbbbb) 1648 goto error; 1649 if (BWN_READ_2(mac, BWN_TSF_CFP_START_HIGH) != 0xcccc) 1650 goto error; 1651 } 1652 BWN_WRITE_4(mac, BWN_TSF_CFP_START, 0); 1653 1654 v = BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_GMODE; 1655 if (v != (BWN_MACCTL_GMODE | BWN_MACCTL_IHR_ON)) 1656 goto error; 1657 1658 BWN_UNLOCK(sc); 1659 return (0); 1660error: 1661 BWN_UNLOCK(sc); 1662 device_printf(sc->sc_dev, "failed to validate the chipaccess\n"); 1663 return (ENODEV); 1664} 1665 1666static int 1667bwn_setup_channels(struct bwn_mac *mac, int have_bg, int have_a) 1668{ 1669 struct bwn_softc *sc = mac->mac_sc; 1670 struct ieee80211com *ic = &sc->sc_ic; 1671 uint8_t bands[IEEE80211_MODE_BYTES]; 1672 1673 memset(ic->ic_channels, 0, sizeof(ic->ic_channels)); 1674 ic->ic_nchans = 0; 1675 1676 DPRINTF(sc, BWN_DEBUG_EEPROM, "%s: called; bg=%d, a=%d\n", 1677 __func__, 1678 have_bg, 1679 have_a); 1680 1681 if (have_bg) { 1682 memset(bands, 0, sizeof(bands)); 1683 setbit(bands, IEEE80211_MODE_11B); 1684 setbit(bands, IEEE80211_MODE_11G); 1685 bwn_addchannels(ic->ic_channels, IEEE80211_CHAN_MAX, 1686 &ic->ic_nchans, &bwn_chantable_bg, bands); 1687 } 1688 1689 if (have_a) { 1690 memset(bands, 0, sizeof(bands)); 1691 setbit(bands, IEEE80211_MODE_11A); 1692 bwn_addchannels(ic->ic_channels, IEEE80211_CHAN_MAX, 1693 &ic->ic_nchans, &bwn_chantable_a, bands); 1694 } 1695 1696 mac->mac_phy.supports_2ghz = have_bg; 1697 mac->mac_phy.supports_5ghz = have_a; 1698 1699 return (ic->ic_nchans == 0 ? ENXIO : 0); 1700} 1701 1702uint32_t 1703bwn_shm_read_4(struct bwn_mac *mac, uint16_t way, uint16_t offset) 1704{ 1705 uint32_t ret; 1706 1707 BWN_ASSERT_LOCKED(mac->mac_sc); 1708 1709 if (way == BWN_SHARED) { 1710 KASSERT((offset & 0x0001) == 0, 1711 ("%s:%d warn", __func__, __LINE__)); 1712 if (offset & 0x0003) { 1713 bwn_shm_ctlword(mac, way, offset >> 2); 1714 ret = BWN_READ_2(mac, BWN_SHM_DATA_UNALIGNED); 1715 ret <<= 16; 1716 bwn_shm_ctlword(mac, way, (offset >> 2) + 1); 1717 ret |= BWN_READ_2(mac, BWN_SHM_DATA); 1718 goto out; 1719 } 1720 offset >>= 2; 1721 } 1722 bwn_shm_ctlword(mac, way, offset); 1723 ret = BWN_READ_4(mac, BWN_SHM_DATA); 1724out: 1725 return (ret); 1726} 1727 1728uint16_t 1729bwn_shm_read_2(struct bwn_mac *mac, uint16_t way, uint16_t offset) 1730{ 1731 uint16_t ret; 1732 1733 BWN_ASSERT_LOCKED(mac->mac_sc); 1734 1735 if (way == BWN_SHARED) { 1736 KASSERT((offset & 0x0001) == 0, 1737 ("%s:%d warn", __func__, __LINE__)); 1738 if (offset & 0x0003) { 1739 bwn_shm_ctlword(mac, way, offset >> 2); 1740 ret = BWN_READ_2(mac, BWN_SHM_DATA_UNALIGNED); 1741 goto out; 1742 } 1743 offset >>= 2; 1744 } 1745 bwn_shm_ctlword(mac, way, offset); 1746 ret = BWN_READ_2(mac, BWN_SHM_DATA); 1747out: 1748 1749 return (ret); 1750} 1751 1752static void 1753bwn_shm_ctlword(struct bwn_mac *mac, uint16_t way, 1754 uint16_t offset) 1755{ 1756 uint32_t control; 1757 1758 control = way; 1759 control <<= 16; 1760 control |= offset; 1761 BWN_WRITE_4(mac, BWN_SHM_CONTROL, control); 1762} 1763 1764void 1765bwn_shm_write_4(struct bwn_mac *mac, uint16_t way, uint16_t offset, 1766 uint32_t value) 1767{ 1768 BWN_ASSERT_LOCKED(mac->mac_sc); 1769 1770 if (way == BWN_SHARED) { 1771 KASSERT((offset & 0x0001) == 0, 1772 ("%s:%d warn", __func__, __LINE__)); 1773 if (offset & 0x0003) { 1774 bwn_shm_ctlword(mac, way, offset >> 2); 1775 BWN_WRITE_2(mac, BWN_SHM_DATA_UNALIGNED, 1776 (value >> 16) & 0xffff); 1777 bwn_shm_ctlword(mac, way, (offset >> 2) + 1); 1778 BWN_WRITE_2(mac, BWN_SHM_DATA, value & 0xffff); 1779 return; 1780 } 1781 offset >>= 2; 1782 } 1783 bwn_shm_ctlword(mac, way, offset); 1784 BWN_WRITE_4(mac, BWN_SHM_DATA, value); 1785} 1786 1787void 1788bwn_shm_write_2(struct bwn_mac *mac, uint16_t way, uint16_t offset, 1789 uint16_t value) 1790{ 1791 BWN_ASSERT_LOCKED(mac->mac_sc); 1792 1793 if (way == BWN_SHARED) { 1794 KASSERT((offset & 0x0001) == 0, 1795 ("%s:%d warn", __func__, __LINE__)); 1796 if (offset & 0x0003) { 1797 bwn_shm_ctlword(mac, way, offset >> 2); 1798 BWN_WRITE_2(mac, BWN_SHM_DATA_UNALIGNED, value); 1799 return; 1800 } 1801 offset >>= 2; 1802 } 1803 bwn_shm_ctlword(mac, way, offset); 1804 BWN_WRITE_2(mac, BWN_SHM_DATA, value); 1805} 1806 1807static void 1808bwn_addchannels(struct ieee80211_channel chans[], int maxchans, int *nchans, 1809 const struct bwn_channelinfo *ci, const uint8_t bands[]) 1810{ 1811 int i, error; 1812 1813 for (i = 0, error = 0; i < ci->nchannels && error == 0; i++) { 1814 const struct bwn_channel *hc = &ci->channels[i]; 1815 1816 error = ieee80211_add_channel(chans, maxchans, nchans, 1817 hc->ieee, hc->freq, hc->maxTxPow, 0, bands); 1818 } 1819} 1820 1821static int 1822bwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1823 const struct ieee80211_bpf_params *params) 1824{ 1825 struct ieee80211com *ic = ni->ni_ic; 1826 struct bwn_softc *sc = ic->ic_softc; 1827 struct bwn_mac *mac = sc->sc_curmac; 1828 int error; 1829 1830 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0 || 1831 mac->mac_status < BWN_MAC_STATUS_STARTED) { 1832 m_freem(m); 1833 return (ENETDOWN); 1834 } 1835 1836 BWN_LOCK(sc); 1837 if (bwn_tx_isfull(sc, m)) { 1838 m_freem(m); 1839 BWN_UNLOCK(sc); 1840 return (ENOBUFS); 1841 } 1842 1843 error = bwn_tx_start(sc, ni, m); 1844 if (error == 0) 1845 sc->sc_watchdog_timer = 5; 1846 BWN_UNLOCK(sc); 1847 return (error); 1848} 1849 1850/* 1851 * Callback from the 802.11 layer to update the slot time 1852 * based on the current setting. We use it to notify the 1853 * firmware of ERP changes and the f/w takes care of things 1854 * like slot time and preamble. 1855 */ 1856static void 1857bwn_updateslot(struct ieee80211com *ic) 1858{ 1859 struct bwn_softc *sc = ic->ic_softc; 1860 struct bwn_mac *mac; 1861 1862 BWN_LOCK(sc); 1863 if (sc->sc_flags & BWN_FLAG_RUNNING) { 1864 mac = (struct bwn_mac *)sc->sc_curmac; 1865 bwn_set_slot_time(mac, IEEE80211_GET_SLOTTIME(ic)); 1866 } 1867 BWN_UNLOCK(sc); 1868} 1869 1870/* 1871 * Callback from the 802.11 layer after a promiscuous mode change. 1872 * Note this interface does not check the operating mode as this 1873 * is an internal callback and we are expected to honor the current 1874 * state (e.g. this is used for setting the interface in promiscuous 1875 * mode when operating in hostap mode to do ACS). 1876 */ 1877static void 1878bwn_update_promisc(struct ieee80211com *ic) 1879{ 1880 struct bwn_softc *sc = ic->ic_softc; 1881 struct bwn_mac *mac = sc->sc_curmac; 1882 1883 BWN_LOCK(sc); 1884 mac = sc->sc_curmac; 1885 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1886 if (ic->ic_promisc > 0) 1887 sc->sc_filters |= BWN_MACCTL_PROMISC; 1888 else 1889 sc->sc_filters &= ~BWN_MACCTL_PROMISC; 1890 bwn_set_opmode(mac); 1891 } 1892 BWN_UNLOCK(sc); 1893} 1894 1895/* 1896 * Callback from the 802.11 layer to update WME parameters. 1897 */ 1898static int 1899bwn_wme_update(struct ieee80211com *ic) 1900{ 1901 struct bwn_softc *sc = ic->ic_softc; 1902 struct bwn_mac *mac = sc->sc_curmac; 1903 struct chanAccParams chp; 1904 struct wmeParams *wmep; 1905 int i; 1906 1907 ieee80211_wme_ic_getparams(ic, &chp); 1908 1909 BWN_LOCK(sc); 1910 mac = sc->sc_curmac; 1911 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1912 bwn_mac_suspend(mac); 1913 for (i = 0; i < N(sc->sc_wmeParams); i++) { 1914 wmep = &chp.cap_wmeParams[i]; 1915 bwn_wme_loadparams(mac, wmep, bwn_wme_shm_offsets[i]); 1916 } 1917 bwn_mac_enable(mac); 1918 } 1919 BWN_UNLOCK(sc); 1920 return (0); 1921} 1922 1923static void 1924bwn_scan_start(struct ieee80211com *ic) 1925{ 1926 struct bwn_softc *sc = ic->ic_softc; 1927 struct bwn_mac *mac; 1928 1929 BWN_LOCK(sc); 1930 mac = sc->sc_curmac; 1931 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1932 sc->sc_filters |= BWN_MACCTL_BEACON_PROMISC; 1933 bwn_set_opmode(mac); 1934 /* disable CFP update during scan */ 1935 bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_SKIP_CFP_UPDATE); 1936 } 1937 BWN_UNLOCK(sc); 1938} 1939 1940static void 1941bwn_scan_end(struct ieee80211com *ic) 1942{ 1943 struct bwn_softc *sc = ic->ic_softc; 1944 struct bwn_mac *mac; 1945 1946 BWN_LOCK(sc); 1947 mac = sc->sc_curmac; 1948 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1949 sc->sc_filters &= ~BWN_MACCTL_BEACON_PROMISC; 1950 bwn_set_opmode(mac); 1951 bwn_hf_write(mac, bwn_hf_read(mac) & ~BWN_HF_SKIP_CFP_UPDATE); 1952 } 1953 BWN_UNLOCK(sc); 1954} 1955 1956static void 1957bwn_set_channel(struct ieee80211com *ic) 1958{ 1959 struct bwn_softc *sc = ic->ic_softc; 1960 struct bwn_mac *mac = sc->sc_curmac; 1961 struct bwn_phy *phy = &mac->mac_phy; 1962 int chan, error; 1963 1964 BWN_LOCK(sc); 1965 1966 error = bwn_switch_band(sc, ic->ic_curchan); 1967 if (error) 1968 goto fail; 1969 bwn_mac_suspend(mac); 1970 bwn_set_txretry(mac, BWN_RETRY_SHORT, BWN_RETRY_LONG); 1971 chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 1972 if (chan != phy->chan) 1973 bwn_switch_channel(mac, chan); 1974 1975 /* TX power level */ 1976 if (ic->ic_curchan->ic_maxpower != 0 && 1977 ic->ic_curchan->ic_maxpower != phy->txpower) { 1978 phy->txpower = ic->ic_curchan->ic_maxpower / 2; 1979 bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME | 1980 BWN_TXPWR_IGNORE_TSSI); 1981 } 1982 1983 bwn_set_txantenna(mac, BWN_ANT_DEFAULT); 1984 if (phy->set_antenna) 1985 phy->set_antenna(mac, BWN_ANT_DEFAULT); 1986 1987 if (sc->sc_rf_enabled != phy->rf_on) { 1988 if (sc->sc_rf_enabled) { 1989 bwn_rf_turnon(mac); 1990 if (!(mac->mac_flags & BWN_MAC_FLAG_RADIO_ON)) 1991 device_printf(sc->sc_dev, 1992 "please turn on the RF switch\n"); 1993 } else 1994 bwn_rf_turnoff(mac); 1995 } 1996 1997 bwn_mac_enable(mac); 1998 1999fail: 2000 BWN_UNLOCK(sc); 2001} 2002 2003static struct ieee80211vap * 2004bwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 2005 enum ieee80211_opmode opmode, int flags, 2006 const uint8_t bssid[IEEE80211_ADDR_LEN], 2007 const uint8_t mac[IEEE80211_ADDR_LEN]) 2008{ 2009 struct ieee80211vap *vap; 2010 struct bwn_vap *bvp; 2011 2012 switch (opmode) { 2013 case IEEE80211_M_HOSTAP: 2014 case IEEE80211_M_MBSS: 2015 case IEEE80211_M_STA: 2016 case IEEE80211_M_WDS: 2017 case IEEE80211_M_MONITOR: 2018 case IEEE80211_M_IBSS: 2019 case IEEE80211_M_AHDEMO: 2020 break; 2021 default: 2022 return (NULL); 2023 } 2024 2025 bvp = malloc(sizeof(struct bwn_vap), M_80211_VAP, M_WAITOK | M_ZERO); 2026 vap = &bvp->bv_vap; 2027 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 2028 /* override with driver methods */ 2029 bvp->bv_newstate = vap->iv_newstate; 2030 vap->iv_newstate = bwn_newstate; 2031 2032 /* override max aid so sta's cannot assoc when we're out of sta id's */ 2033 vap->iv_max_aid = BWN_STAID_MAX; 2034 2035 ieee80211_ratectl_init(vap); 2036 2037 /* complete setup */ 2038 ieee80211_vap_attach(vap, ieee80211_media_change, 2039 ieee80211_media_status, mac); 2040 return (vap); 2041} 2042 2043static void 2044bwn_vap_delete(struct ieee80211vap *vap) 2045{ 2046 struct bwn_vap *bvp = BWN_VAP(vap); 2047 2048 ieee80211_ratectl_deinit(vap); 2049 ieee80211_vap_detach(vap); 2050 free(bvp, M_80211_VAP); 2051} 2052 2053static int 2054bwn_init(struct bwn_softc *sc) 2055{ 2056 struct bwn_mac *mac; 2057 int error; 2058 2059 BWN_ASSERT_LOCKED(sc); 2060 2061 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2062 2063 bzero(sc->sc_bssid, IEEE80211_ADDR_LEN); 2064 sc->sc_flags |= BWN_FLAG_NEED_BEACON_TP; 2065 sc->sc_filters = 0; 2066 bwn_wme_clear(sc); 2067 sc->sc_beacons[0] = sc->sc_beacons[1] = 0; 2068 sc->sc_rf_enabled = 1; 2069 2070 mac = sc->sc_curmac; 2071 if (mac->mac_status == BWN_MAC_STATUS_UNINIT) { 2072 error = bwn_core_init(mac); 2073 if (error != 0) 2074 return (error); 2075 } 2076 if (mac->mac_status == BWN_MAC_STATUS_INITED) 2077 bwn_core_start(mac); 2078 2079 bwn_set_opmode(mac); 2080 bwn_set_pretbtt(mac); 2081 bwn_spu_setdelay(mac, 0); 2082 bwn_set_macaddr(mac); 2083 2084 sc->sc_flags |= BWN_FLAG_RUNNING; 2085 callout_reset(&sc->sc_rfswitch_ch, hz, bwn_rfswitch, sc); 2086 callout_reset(&sc->sc_watchdog_ch, hz, bwn_watchdog, sc); 2087 2088 return (0); 2089} 2090 2091static void 2092bwn_stop(struct bwn_softc *sc) 2093{ 2094 struct bwn_mac *mac = sc->sc_curmac; 2095 2096 BWN_ASSERT_LOCKED(sc); 2097 2098 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2099 2100 if (mac->mac_status >= BWN_MAC_STATUS_INITED) { 2101 /* XXX FIXME opmode not based on VAP */ 2102 bwn_set_opmode(mac); 2103 bwn_set_macaddr(mac); 2104 } 2105 2106 if (mac->mac_status >= BWN_MAC_STATUS_STARTED) 2107 bwn_core_stop(mac); 2108 2109 callout_stop(&sc->sc_led_blink_ch); 2110 sc->sc_led_blinking = 0; 2111 2112 bwn_core_exit(mac); 2113 sc->sc_rf_enabled = 0; 2114 2115 sc->sc_flags &= ~BWN_FLAG_RUNNING; 2116} 2117 2118static void 2119bwn_wme_clear(struct bwn_softc *sc) 2120{ 2121 struct wmeParams *p; 2122 unsigned int i; 2123 2124 KASSERT(N(bwn_wme_shm_offsets) == N(sc->sc_wmeParams), 2125 ("%s:%d: fail", __func__, __LINE__)); 2126 2127 for (i = 0; i < N(sc->sc_wmeParams); i++) { 2128 p = &(sc->sc_wmeParams[i]); 2129 2130 switch (bwn_wme_shm_offsets[i]) { 2131 case BWN_WME_VOICE: 2132 p->wmep_txopLimit = 0; 2133 p->wmep_aifsn = 2; 2134 /* XXX FIXME: log2(cwmin) */ 2135 p->wmep_logcwmin = 2136 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMIN); 2137 p->wmep_logcwmax = 2138 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMAX); 2139 break; 2140 case BWN_WME_VIDEO: 2141 p->wmep_txopLimit = 0; 2142 p->wmep_aifsn = 2; 2143 /* XXX FIXME: log2(cwmin) */ 2144 p->wmep_logcwmin = 2145 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMIN); 2146 p->wmep_logcwmax = 2147 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMAX); 2148 break; 2149 case BWN_WME_BESTEFFORT: 2150 p->wmep_txopLimit = 0; 2151 p->wmep_aifsn = 3; 2152 /* XXX FIXME: log2(cwmin) */ 2153 p->wmep_logcwmin = 2154 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMIN); 2155 p->wmep_logcwmax = 2156 _IEEE80211_MASKSHIFT(0x03ff, WME_PARAM_LOGCWMAX); 2157 break; 2158 case BWN_WME_BACKGROUND: 2159 p->wmep_txopLimit = 0; 2160 p->wmep_aifsn = 7; 2161 /* XXX FIXME: log2(cwmin) */ 2162 p->wmep_logcwmin = 2163 _IEEE80211_MASKSHIFT(0x0001, WME_PARAM_LOGCWMIN); 2164 p->wmep_logcwmax = 2165 _IEEE80211_MASKSHIFT(0x03ff, WME_PARAM_LOGCWMAX); 2166 break; 2167 default: 2168 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2169 } 2170 } 2171} 2172 2173static int 2174bwn_core_forceclk(struct bwn_mac *mac, bool force) 2175{ 2176 struct bwn_softc *sc; 2177 bhnd_clock clock; 2178 int error; 2179 2180 sc = mac->mac_sc; 2181 2182 /* On PMU equipped devices, we do not need to force the HT clock */ 2183 if (sc->sc_pmu != NULL) 2184 return (0); 2185 2186 /* Issue a PMU clock request */ 2187 if (force) 2188 clock = BHND_CLOCK_HT; 2189 else 2190 clock = BHND_CLOCK_DYN; 2191 2192 if ((error = bhnd_request_clock(sc->sc_dev, clock))) { 2193 device_printf(sc->sc_dev, "%d clock request failed: %d\n", 2194 clock, error); 2195 return (error); 2196 } 2197 2198 return (0); 2199} 2200 2201static int 2202bwn_core_init(struct bwn_mac *mac) 2203{ 2204 struct bwn_softc *sc = mac->mac_sc; 2205 uint64_t hf; 2206 int error; 2207 2208 KASSERT(mac->mac_status == BWN_MAC_STATUS_UNINIT, 2209 ("%s:%d: fail", __func__, __LINE__)); 2210 2211 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2212 2213 if ((error = bwn_core_forceclk(mac, true))) 2214 return (error); 2215 2216 if (bhnd_is_hw_suspended(sc->sc_dev)) { 2217 if ((error = bwn_reset_core(mac, mac->mac_phy.gmode))) 2218 goto fail0; 2219 } 2220 2221 mac->mac_flags &= ~BWN_MAC_FLAG_DFQVALID; 2222 mac->mac_flags |= BWN_MAC_FLAG_RADIO_ON; 2223 mac->mac_phy.hwpctl = (bwn_hwpctl) ? 1 : 0; 2224 BWN_GETTIME(mac->mac_phy.nexttime); 2225 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 2226 bzero(&mac->mac_stats, sizeof(mac->mac_stats)); 2227 mac->mac_stats.link_noise = -95; 2228 mac->mac_reason_intr = 0; 2229 bzero(mac->mac_reason, sizeof(mac->mac_reason)); 2230 mac->mac_intr_mask = BWN_INTR_MASKTEMPLATE; 2231#ifdef BWN_DEBUG 2232 if (sc->sc_debug & BWN_DEBUG_XMIT) 2233 mac->mac_intr_mask &= ~BWN_INTR_PHY_TXERR; 2234#endif 2235 mac->mac_suspended = 1; 2236 mac->mac_task_state = 0; 2237 memset(&mac->mac_noise, 0, sizeof(mac->mac_noise)); 2238 2239 mac->mac_phy.init_pre(mac); 2240 2241 bwn_bt_disable(mac); 2242 if (mac->mac_phy.prepare_hw) { 2243 error = mac->mac_phy.prepare_hw(mac); 2244 if (error) 2245 goto fail0; 2246 } 2247 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: chip_init\n", __func__); 2248 error = bwn_chip_init(mac); 2249 if (error) 2250 goto fail0; 2251 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_COREREV, 2252 bhnd_get_hwrev(sc->sc_dev)); 2253 hf = bwn_hf_read(mac); 2254 if (mac->mac_phy.type == BWN_PHYTYPE_G) { 2255 hf |= BWN_HF_GPHY_SYM_WORKAROUND; 2256 if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL) 2257 hf |= BWN_HF_PAGAINBOOST_OFDM_ON; 2258 if (mac->mac_phy.rev == 1) 2259 hf |= BWN_HF_GPHY_DC_CANCELFILTER; 2260 } 2261 if (mac->mac_phy.rf_ver == 0x2050) { 2262 if (mac->mac_phy.rf_rev < 6) 2263 hf |= BWN_HF_FORCE_VCO_RECALC; 2264 if (mac->mac_phy.rf_rev == 6) 2265 hf |= BWN_HF_4318_TSSI; 2266 } 2267 if (sc->sc_board_info.board_flags & BHND_BFL_NOPLLDOWN) 2268 hf |= BWN_HF_SLOWCLOCK_REQ_OFF; 2269 if (sc->sc_quirks & BWN_QUIRK_UCODE_SLOWCLOCK_WAR) 2270 hf |= BWN_HF_PCI_SLOWCLOCK_WORKAROUND; 2271 hf &= ~BWN_HF_SKIP_CFP_UPDATE; 2272 bwn_hf_write(mac, hf); 2273 2274 /* Tell the firmware about the MAC capabilities */ 2275 if (bhnd_get_hwrev(sc->sc_dev) >= 13) { 2276 uint32_t cap; 2277 cap = BWN_READ_4(mac, BWN_MAC_HW_CAP); 2278 DPRINTF(sc, BWN_DEBUG_RESET, 2279 "%s: hw capabilities: 0x%08x\n", 2280 __func__, cap); 2281 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_MACHW_L, 2282 cap & 0xffff); 2283 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_MACHW_H, 2284 (cap >> 16) & 0xffff); 2285 } 2286 2287 bwn_set_txretry(mac, BWN_RETRY_SHORT, BWN_RETRY_LONG); 2288 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_SHORT_RETRY_FALLBACK, 3); 2289 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_LONG_RETRY_FALLBACK, 2); 2290 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_MAXTIME, 1); 2291 2292 bwn_rate_init(mac); 2293 bwn_set_phytxctl(mac); 2294 2295 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_CONT_MIN, 2296 (mac->mac_phy.type == BWN_PHYTYPE_B) ? 0x1f : 0xf); 2297 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_CONT_MAX, 0x3ff); 2298 2299 if (sc->sc_quirks & BWN_QUIRK_NODMA) 2300 bwn_pio_init(mac); 2301 else 2302 bwn_dma_init(mac); 2303 bwn_wme_init(mac); 2304 bwn_spu_setdelay(mac, 1); 2305 bwn_bt_enable(mac); 2306 2307 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: powerup\n", __func__); 2308 if (sc->sc_board_info.board_flags & BHND_BFL_NOPLLDOWN) 2309 bwn_core_forceclk(mac, true); 2310 else 2311 bwn_core_forceclk(mac, false); 2312 2313 bwn_set_macaddr(mac); 2314 bwn_crypt_init(mac); 2315 2316 /* XXX LED initializatin */ 2317 2318 mac->mac_status = BWN_MAC_STATUS_INITED; 2319 2320 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: done\n", __func__); 2321 return (error); 2322 2323fail0: 2324 bhnd_suspend_hw(sc->sc_dev, 0); 2325 KASSERT(mac->mac_status == BWN_MAC_STATUS_UNINIT, 2326 ("%s:%d: fail", __func__, __LINE__)); 2327 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: fail\n", __func__); 2328 return (error); 2329} 2330 2331static void 2332bwn_core_start(struct bwn_mac *mac) 2333{ 2334 struct bwn_softc *sc = mac->mac_sc; 2335 uint32_t tmp; 2336 2337 KASSERT(mac->mac_status == BWN_MAC_STATUS_INITED, 2338 ("%s:%d: fail", __func__, __LINE__)); 2339 2340 if (bhnd_get_hwrev(sc->sc_dev) < 5) 2341 return; 2342 2343 while (1) { 2344 tmp = BWN_READ_4(mac, BWN_XMITSTAT_0); 2345 if (!(tmp & 0x00000001)) 2346 break; 2347 tmp = BWN_READ_4(mac, BWN_XMITSTAT_1); 2348 } 2349 2350 bwn_mac_enable(mac); 2351 BWN_WRITE_4(mac, BWN_INTR_MASK, mac->mac_intr_mask); 2352 callout_reset(&sc->sc_task_ch, hz * 15, bwn_tasks, mac); 2353 2354 mac->mac_status = BWN_MAC_STATUS_STARTED; 2355} 2356 2357static void 2358bwn_core_exit(struct bwn_mac *mac) 2359{ 2360 struct bwn_softc *sc = mac->mac_sc; 2361 uint32_t macctl; 2362 2363 BWN_ASSERT_LOCKED(mac->mac_sc); 2364 2365 KASSERT(mac->mac_status <= BWN_MAC_STATUS_INITED, 2366 ("%s:%d: fail", __func__, __LINE__)); 2367 2368 if (mac->mac_status != BWN_MAC_STATUS_INITED) 2369 return; 2370 mac->mac_status = BWN_MAC_STATUS_UNINIT; 2371 2372 macctl = BWN_READ_4(mac, BWN_MACCTL); 2373 macctl &= ~BWN_MACCTL_MCODE_RUN; 2374 macctl |= BWN_MACCTL_MCODE_JMP0; 2375 BWN_WRITE_4(mac, BWN_MACCTL, macctl); 2376 2377 bwn_dma_stop(mac); 2378 bwn_pio_stop(mac); 2379 bwn_chip_exit(mac); 2380 mac->mac_phy.switch_analog(mac, 0); 2381 bhnd_suspend_hw(sc->sc_dev, 0); 2382} 2383 2384static void 2385bwn_bt_disable(struct bwn_mac *mac) 2386{ 2387 struct bwn_softc *sc = mac->mac_sc; 2388 2389 (void)sc; 2390 /* XXX do nothing yet */ 2391} 2392 2393static int 2394bwn_chip_init(struct bwn_mac *mac) 2395{ 2396 struct bwn_softc *sc = mac->mac_sc; 2397 struct bwn_phy *phy = &mac->mac_phy; 2398 uint32_t macctl; 2399 u_int delay; 2400 int error; 2401 2402 macctl = BWN_MACCTL_IHR_ON | BWN_MACCTL_SHM_ON | BWN_MACCTL_STA; 2403 if (phy->gmode) 2404 macctl |= BWN_MACCTL_GMODE; 2405 BWN_WRITE_4(mac, BWN_MACCTL, macctl); 2406 2407 error = bwn_fw_fillinfo(mac); 2408 if (error) 2409 return (error); 2410 error = bwn_fw_loaducode(mac); 2411 if (error) 2412 return (error); 2413 2414 error = bwn_gpio_init(mac); 2415 if (error) 2416 return (error); 2417 2418 error = bwn_fw_loadinitvals(mac); 2419 if (error) 2420 return (error); 2421 2422 phy->switch_analog(mac, 1); 2423 error = bwn_phy_init(mac); 2424 if (error) 2425 return (error); 2426 2427 if (phy->set_im) 2428 phy->set_im(mac, BWN_IMMODE_NONE); 2429 if (phy->set_antenna) 2430 phy->set_antenna(mac, BWN_ANT_DEFAULT); 2431 bwn_set_txantenna(mac, BWN_ANT_DEFAULT); 2432 2433 if (phy->type == BWN_PHYTYPE_B) 2434 BWN_WRITE_2(mac, 0x005e, BWN_READ_2(mac, 0x005e) | 0x0004); 2435 BWN_WRITE_4(mac, 0x0100, 0x01000000); 2436 if (bhnd_get_hwrev(sc->sc_dev) < 5) 2437 BWN_WRITE_4(mac, 0x010c, 0x01000000); 2438 2439 BWN_WRITE_4(mac, BWN_MACCTL, 2440 BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_STA); 2441 BWN_WRITE_4(mac, BWN_MACCTL, 2442 BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_STA); 2443 bwn_shm_write_2(mac, BWN_SHARED, 0x0074, 0x0000); 2444 2445 bwn_set_opmode(mac); 2446 if (bhnd_get_hwrev(sc->sc_dev) < 3) { 2447 BWN_WRITE_2(mac, 0x060e, 0x0000); 2448 BWN_WRITE_2(mac, 0x0610, 0x8000); 2449 BWN_WRITE_2(mac, 0x0604, 0x0000); 2450 BWN_WRITE_2(mac, 0x0606, 0x0200); 2451 } else { 2452 BWN_WRITE_4(mac, 0x0188, 0x80000000); 2453 BWN_WRITE_4(mac, 0x018c, 0x02000000); 2454 } 2455 BWN_WRITE_4(mac, BWN_INTR_REASON, 0x00004000); 2456 BWN_WRITE_4(mac, BWN_DMA0_INTR_MASK, 0x0001dc00); 2457 BWN_WRITE_4(mac, BWN_DMA1_INTR_MASK, 0x0000dc00); 2458 BWN_WRITE_4(mac, BWN_DMA2_INTR_MASK, 0x0000dc00); 2459 BWN_WRITE_4(mac, BWN_DMA3_INTR_MASK, 0x0001dc00); 2460 BWN_WRITE_4(mac, BWN_DMA4_INTR_MASK, 0x0000dc00); 2461 BWN_WRITE_4(mac, BWN_DMA5_INTR_MASK, 0x0000dc00); 2462 2463 bwn_mac_phy_clock_set(mac, true); 2464 2465 /* Provide the HT clock transition latency to the MAC core */ 2466 error = bhnd_get_clock_latency(sc->sc_dev, BHND_CLOCK_HT, &delay); 2467 if (error) { 2468 device_printf(sc->sc_dev, "failed to fetch HT clock latency: " 2469 "%d\n", error); 2470 return (error); 2471 } 2472 2473 if (delay > UINT16_MAX) { 2474 device_printf(sc->sc_dev, "invalid HT clock latency: %u\n", 2475 delay); 2476 return (ENXIO); 2477 } 2478 2479 BWN_WRITE_2(mac, BWN_POWERUP_DELAY, delay); 2480 return (0); 2481} 2482 2483/* read hostflags */ 2484uint64_t 2485bwn_hf_read(struct bwn_mac *mac) 2486{ 2487 uint64_t ret; 2488 2489 ret = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFHI); 2490 ret <<= 16; 2491 ret |= bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFMI); 2492 ret <<= 16; 2493 ret |= bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFLO); 2494 return (ret); 2495} 2496 2497void 2498bwn_hf_write(struct bwn_mac *mac, uint64_t value) 2499{ 2500 2501 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFLO, 2502 (value & 0x00000000ffffull)); 2503 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFMI, 2504 (value & 0x0000ffff0000ull) >> 16); 2505 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFHI, 2506 (value & 0xffff00000000ULL) >> 32); 2507} 2508 2509static void 2510bwn_set_txretry(struct bwn_mac *mac, int s, int l) 2511{ 2512 2513 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_SHORT_RETRY, MIN(s, 0xf)); 2514 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_LONG_RETRY, MIN(l, 0xf)); 2515} 2516 2517static void 2518bwn_rate_init(struct bwn_mac *mac) 2519{ 2520 2521 switch (mac->mac_phy.type) { 2522 case BWN_PHYTYPE_A: 2523 case BWN_PHYTYPE_G: 2524 case BWN_PHYTYPE_LP: 2525 case BWN_PHYTYPE_N: 2526 bwn_rate_write(mac, BWN_OFDM_RATE_6MB, 1); 2527 bwn_rate_write(mac, BWN_OFDM_RATE_12MB, 1); 2528 bwn_rate_write(mac, BWN_OFDM_RATE_18MB, 1); 2529 bwn_rate_write(mac, BWN_OFDM_RATE_24MB, 1); 2530 bwn_rate_write(mac, BWN_OFDM_RATE_36MB, 1); 2531 bwn_rate_write(mac, BWN_OFDM_RATE_48MB, 1); 2532 bwn_rate_write(mac, BWN_OFDM_RATE_54MB, 1); 2533 if (mac->mac_phy.type == BWN_PHYTYPE_A) 2534 break; 2535 /* FALLTHROUGH */ 2536 case BWN_PHYTYPE_B: 2537 bwn_rate_write(mac, BWN_CCK_RATE_1MB, 0); 2538 bwn_rate_write(mac, BWN_CCK_RATE_2MB, 0); 2539 bwn_rate_write(mac, BWN_CCK_RATE_5MB, 0); 2540 bwn_rate_write(mac, BWN_CCK_RATE_11MB, 0); 2541 break; 2542 default: 2543 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2544 } 2545} 2546 2547static void 2548bwn_rate_write(struct bwn_mac *mac, uint16_t rate, int ofdm) 2549{ 2550 uint16_t offset; 2551 2552 if (ofdm) { 2553 offset = 0x480; 2554 offset += (bwn_plcp_getofdm(rate) & 0x000f) * 2; 2555 } else { 2556 offset = 0x4c0; 2557 offset += (bwn_plcp_getcck(rate) & 0x000f) * 2; 2558 } 2559 bwn_shm_write_2(mac, BWN_SHARED, offset + 0x20, 2560 bwn_shm_read_2(mac, BWN_SHARED, offset)); 2561} 2562 2563static uint8_t 2564bwn_plcp_getcck(const uint8_t bitrate) 2565{ 2566 2567 switch (bitrate) { 2568 case BWN_CCK_RATE_1MB: 2569 return (0x0a); 2570 case BWN_CCK_RATE_2MB: 2571 return (0x14); 2572 case BWN_CCK_RATE_5MB: 2573 return (0x37); 2574 case BWN_CCK_RATE_11MB: 2575 return (0x6e); 2576 } 2577 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2578 return (0); 2579} 2580 2581static uint8_t 2582bwn_plcp_getofdm(const uint8_t bitrate) 2583{ 2584 2585 switch (bitrate) { 2586 case BWN_OFDM_RATE_6MB: 2587 return (0xb); 2588 case BWN_OFDM_RATE_9MB: 2589 return (0xf); 2590 case BWN_OFDM_RATE_12MB: 2591 return (0xa); 2592 case BWN_OFDM_RATE_18MB: 2593 return (0xe); 2594 case BWN_OFDM_RATE_24MB: 2595 return (0x9); 2596 case BWN_OFDM_RATE_36MB: 2597 return (0xd); 2598 case BWN_OFDM_RATE_48MB: 2599 return (0x8); 2600 case BWN_OFDM_RATE_54MB: 2601 return (0xc); 2602 } 2603 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2604 return (0); 2605} 2606 2607static void 2608bwn_set_phytxctl(struct bwn_mac *mac) 2609{ 2610 uint16_t ctl; 2611 2612 ctl = (BWN_TX_PHY_ENC_CCK | BWN_TX_PHY_ANT01AUTO | 2613 BWN_TX_PHY_TXPWR); 2614 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_BEACON_PHYCTL, ctl); 2615 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL, ctl); 2616 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL, ctl); 2617} 2618 2619static void 2620bwn_pio_init(struct bwn_mac *mac) 2621{ 2622 struct bwn_pio *pio = &mac->mac_method.pio; 2623 2624 BWN_WRITE_4(mac, BWN_MACCTL, BWN_READ_4(mac, BWN_MACCTL) 2625 & ~BWN_MACCTL_BIGENDIAN); 2626 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_RX_PADOFFSET, 0); 2627 2628 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_BK], 0); 2629 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_BE], 1); 2630 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_VI], 2); 2631 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_VO], 3); 2632 bwn_pio_set_txqueue(mac, &pio->mcast, 4); 2633 bwn_pio_setupqueue_rx(mac, &pio->rx, 0); 2634} 2635 2636static void 2637bwn_pio_set_txqueue(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 2638 int index) 2639{ 2640 struct bwn_pio_txpkt *tp; 2641 struct bwn_softc *sc = mac->mac_sc; 2642 unsigned int i; 2643 2644 tq->tq_base = bwn_pio_idx2base(mac, index) + BWN_PIO_TXQOFFSET(mac); 2645 tq->tq_index = index; 2646 2647 tq->tq_free = BWN_PIO_MAX_TXPACKETS; 2648 if (bhnd_get_hwrev(sc->sc_dev) >= 8) 2649 tq->tq_size = 1920; 2650 else { 2651 tq->tq_size = bwn_pio_read_2(mac, tq, BWN_PIO_TXQBUFSIZE); 2652 tq->tq_size -= 80; 2653 } 2654 2655 TAILQ_INIT(&tq->tq_pktlist); 2656 for (i = 0; i < N(tq->tq_pkts); i++) { 2657 tp = &(tq->tq_pkts[i]); 2658 tp->tp_index = i; 2659 tp->tp_queue = tq; 2660 TAILQ_INSERT_TAIL(&tq->tq_pktlist, tp, tp_list); 2661 } 2662} 2663 2664static uint16_t 2665bwn_pio_idx2base(struct bwn_mac *mac, int index) 2666{ 2667 struct bwn_softc *sc = mac->mac_sc; 2668 static const uint16_t bases[] = { 2669 BWN_PIO_BASE0, 2670 BWN_PIO_BASE1, 2671 BWN_PIO_BASE2, 2672 BWN_PIO_BASE3, 2673 BWN_PIO_BASE4, 2674 BWN_PIO_BASE5, 2675 BWN_PIO_BASE6, 2676 BWN_PIO_BASE7, 2677 }; 2678 static const uint16_t bases_rev11[] = { 2679 BWN_PIO11_BASE0, 2680 BWN_PIO11_BASE1, 2681 BWN_PIO11_BASE2, 2682 BWN_PIO11_BASE3, 2683 BWN_PIO11_BASE4, 2684 BWN_PIO11_BASE5, 2685 }; 2686 2687 if (bhnd_get_hwrev(sc->sc_dev) >= 11) { 2688 if (index >= N(bases_rev11)) 2689 device_printf(sc->sc_dev, "%s: warning\n", __func__); 2690 return (bases_rev11[index]); 2691 } 2692 if (index >= N(bases)) 2693 device_printf(sc->sc_dev, "%s: warning\n", __func__); 2694 return (bases[index]); 2695} 2696 2697static void 2698bwn_pio_setupqueue_rx(struct bwn_mac *mac, struct bwn_pio_rxqueue *prq, 2699 int index) 2700{ 2701 struct bwn_softc *sc = mac->mac_sc; 2702 2703 prq->prq_mac = mac; 2704 prq->prq_rev = bhnd_get_hwrev(sc->sc_dev); 2705 prq->prq_base = bwn_pio_idx2base(mac, index) + BWN_PIO_RXQOFFSET(mac); 2706 bwn_dma_rxdirectfifo(mac, index, 1); 2707} 2708 2709static void 2710bwn_destroy_pioqueue_tx(struct bwn_pio_txqueue *tq) 2711{ 2712 if (tq == NULL) 2713 return; 2714 bwn_pio_cancel_tx_packets(tq); 2715} 2716 2717static void 2718bwn_destroy_queue_tx(struct bwn_pio_txqueue *pio) 2719{ 2720 2721 bwn_destroy_pioqueue_tx(pio); 2722} 2723 2724static uint16_t 2725bwn_pio_read_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 2726 uint16_t offset) 2727{ 2728 2729 return (BWN_READ_2(mac, tq->tq_base + offset)); 2730} 2731 2732static void 2733bwn_dma_rxdirectfifo(struct bwn_mac *mac, int idx, uint8_t enable) 2734{ 2735 uint32_t ctl; 2736 uint16_t base; 2737 2738 base = bwn_dma_base(mac->mac_dmatype, idx); 2739 if (mac->mac_dmatype == BHND_DMA_ADDR_64BIT) { 2740 ctl = BWN_READ_4(mac, base + BWN_DMA64_RXCTL); 2741 ctl &= ~BWN_DMA64_RXDIRECTFIFO; 2742 if (enable) 2743 ctl |= BWN_DMA64_RXDIRECTFIFO; 2744 BWN_WRITE_4(mac, base + BWN_DMA64_RXCTL, ctl); 2745 } else { 2746 ctl = BWN_READ_4(mac, base + BWN_DMA32_RXCTL); 2747 ctl &= ~BWN_DMA32_RXDIRECTFIFO; 2748 if (enable) 2749 ctl |= BWN_DMA32_RXDIRECTFIFO; 2750 BWN_WRITE_4(mac, base + BWN_DMA32_RXCTL, ctl); 2751 } 2752} 2753 2754static void 2755bwn_pio_cancel_tx_packets(struct bwn_pio_txqueue *tq) 2756{ 2757 struct bwn_pio_txpkt *tp; 2758 unsigned int i; 2759 2760 for (i = 0; i < N(tq->tq_pkts); i++) { 2761 tp = &(tq->tq_pkts[i]); 2762 if (tp->tp_m) { 2763 m_freem(tp->tp_m); 2764 tp->tp_m = NULL; 2765 } 2766 } 2767} 2768 2769static uint16_t 2770bwn_dma_base(int type, int controller_idx) 2771{ 2772 static const uint16_t map64[] = { 2773 BWN_DMA64_BASE0, 2774 BWN_DMA64_BASE1, 2775 BWN_DMA64_BASE2, 2776 BWN_DMA64_BASE3, 2777 BWN_DMA64_BASE4, 2778 BWN_DMA64_BASE5, 2779 }; 2780 static const uint16_t map32[] = { 2781 BWN_DMA32_BASE0, 2782 BWN_DMA32_BASE1, 2783 BWN_DMA32_BASE2, 2784 BWN_DMA32_BASE3, 2785 BWN_DMA32_BASE4, 2786 BWN_DMA32_BASE5, 2787 }; 2788 2789 if (type == BHND_DMA_ADDR_64BIT) { 2790 KASSERT(controller_idx >= 0 && controller_idx < N(map64), 2791 ("%s:%d: fail", __func__, __LINE__)); 2792 return (map64[controller_idx]); 2793 } 2794 KASSERT(controller_idx >= 0 && controller_idx < N(map32), 2795 ("%s:%d: fail", __func__, __LINE__)); 2796 return (map32[controller_idx]); 2797} 2798 2799static void 2800bwn_dma_init(struct bwn_mac *mac) 2801{ 2802 struct bwn_dma *dma = &mac->mac_method.dma; 2803 2804 /* setup TX DMA channels. */ 2805 bwn_dma_setup(dma->wme[WME_AC_BK]); 2806 bwn_dma_setup(dma->wme[WME_AC_BE]); 2807 bwn_dma_setup(dma->wme[WME_AC_VI]); 2808 bwn_dma_setup(dma->wme[WME_AC_VO]); 2809 bwn_dma_setup(dma->mcast); 2810 /* setup RX DMA channel. */ 2811 bwn_dma_setup(dma->rx); 2812} 2813 2814static struct bwn_dma_ring * 2815bwn_dma_ringsetup(struct bwn_mac *mac, int controller_index, 2816 int for_tx) 2817{ 2818 struct bwn_dma *dma = &mac->mac_method.dma; 2819 struct bwn_dma_ring *dr; 2820 struct bwn_dmadesc_generic *desc; 2821 struct bwn_dmadesc_meta *mt; 2822 struct bwn_softc *sc = mac->mac_sc; 2823 int error, i; 2824 2825 dr = malloc(sizeof(*dr), M_DEVBUF, M_NOWAIT | M_ZERO); 2826 if (dr == NULL) 2827 goto out; 2828 dr->dr_numslots = BWN_RXRING_SLOTS; 2829 if (for_tx) 2830 dr->dr_numslots = BWN_TXRING_SLOTS; 2831 2832 dr->dr_meta = malloc(dr->dr_numslots * sizeof(struct bwn_dmadesc_meta), 2833 M_DEVBUF, M_NOWAIT | M_ZERO); 2834 if (dr->dr_meta == NULL) 2835 goto fail0; 2836 2837 dr->dr_type = mac->mac_dmatype; 2838 dr->dr_mac = mac; 2839 dr->dr_base = bwn_dma_base(dr->dr_type, controller_index); 2840 dr->dr_index = controller_index; 2841 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 2842 dr->getdesc = bwn_dma_64_getdesc; 2843 dr->setdesc = bwn_dma_64_setdesc; 2844 dr->start_transfer = bwn_dma_64_start_transfer; 2845 dr->suspend = bwn_dma_64_suspend; 2846 dr->resume = bwn_dma_64_resume; 2847 dr->get_curslot = bwn_dma_64_get_curslot; 2848 dr->set_curslot = bwn_dma_64_set_curslot; 2849 } else { 2850 dr->getdesc = bwn_dma_32_getdesc; 2851 dr->setdesc = bwn_dma_32_setdesc; 2852 dr->start_transfer = bwn_dma_32_start_transfer; 2853 dr->suspend = bwn_dma_32_suspend; 2854 dr->resume = bwn_dma_32_resume; 2855 dr->get_curslot = bwn_dma_32_get_curslot; 2856 dr->set_curslot = bwn_dma_32_set_curslot; 2857 } 2858 if (for_tx) { 2859 dr->dr_tx = 1; 2860 dr->dr_curslot = -1; 2861 } else { 2862 if (dr->dr_index == 0) { 2863 switch (mac->mac_fw.fw_hdr_format) { 2864 case BWN_FW_HDR_351: 2865 case BWN_FW_HDR_410: 2866 dr->dr_rx_bufsize = 2867 BWN_DMA0_RX_BUFFERSIZE_FW351; 2868 dr->dr_frameoffset = 2869 BWN_DMA0_RX_FRAMEOFFSET_FW351; 2870 break; 2871 case BWN_FW_HDR_598: 2872 dr->dr_rx_bufsize = 2873 BWN_DMA0_RX_BUFFERSIZE_FW598; 2874 dr->dr_frameoffset = 2875 BWN_DMA0_RX_FRAMEOFFSET_FW598; 2876 break; 2877 } 2878 } else 2879 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2880 } 2881 2882 error = bwn_dma_allocringmemory(dr); 2883 if (error) 2884 goto fail2; 2885 2886 if (for_tx) { 2887 /* 2888 * Assumption: BWN_TXRING_SLOTS can be divided by 2889 * BWN_TX_SLOTS_PER_FRAME 2890 */ 2891 KASSERT(BWN_TXRING_SLOTS % BWN_TX_SLOTS_PER_FRAME == 0, 2892 ("%s:%d: fail", __func__, __LINE__)); 2893 2894 dr->dr_txhdr_cache = contigmalloc( 2895 (dr->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2896 BWN_MAXTXHDRSIZE, M_DEVBUF, M_ZERO, 2897 0, BUS_SPACE_MAXADDR, 8, 0); 2898 if (dr->dr_txhdr_cache == NULL) { 2899 device_printf(sc->sc_dev, 2900 "can't allocate TX header DMA memory\n"); 2901 goto fail1; 2902 } 2903 2904 /* 2905 * Create TX ring DMA stuffs 2906 */ 2907 error = bus_dma_tag_create(dma->parent_dtag, 2908 BWN_ALIGN, 0, 2909 BUS_SPACE_MAXADDR, 2910 BUS_SPACE_MAXADDR, 2911 NULL, NULL, 2912 BWN_HDRSIZE(mac), 2913 1, 2914 BUS_SPACE_MAXSIZE_32BIT, 2915 0, 2916 NULL, NULL, 2917 &dr->dr_txring_dtag); 2918 if (error) { 2919 device_printf(sc->sc_dev, 2920 "can't create TX ring DMA tag: TODO frees\n"); 2921 goto fail2; 2922 } 2923 2924 for (i = 0; i < dr->dr_numslots; i += 2) { 2925 dr->getdesc(dr, i, &desc, &mt); 2926 2927 mt->mt_txtype = BWN_DMADESC_METATYPE_HEADER; 2928 mt->mt_m = NULL; 2929 mt->mt_ni = NULL; 2930 mt->mt_islast = 0; 2931 error = bus_dmamap_create(dr->dr_txring_dtag, 0, 2932 &mt->mt_dmap); 2933 if (error) { 2934 device_printf(sc->sc_dev, 2935 "can't create RX buf DMA map\n"); 2936 goto fail2; 2937 } 2938 2939 dr->getdesc(dr, i + 1, &desc, &mt); 2940 2941 mt->mt_txtype = BWN_DMADESC_METATYPE_BODY; 2942 mt->mt_m = NULL; 2943 mt->mt_ni = NULL; 2944 mt->mt_islast = 1; 2945 error = bus_dmamap_create(dma->txbuf_dtag, 0, 2946 &mt->mt_dmap); 2947 if (error) { 2948 device_printf(sc->sc_dev, 2949 "can't create RX buf DMA map\n"); 2950 goto fail2; 2951 } 2952 } 2953 } else { 2954 error = bus_dmamap_create(dma->rxbuf_dtag, 0, 2955 &dr->dr_spare_dmap); 2956 if (error) { 2957 device_printf(sc->sc_dev, 2958 "can't create RX buf DMA map\n"); 2959 goto out; /* XXX wrong! */ 2960 } 2961 2962 for (i = 0; i < dr->dr_numslots; i++) { 2963 dr->getdesc(dr, i, &desc, &mt); 2964 2965 error = bus_dmamap_create(dma->rxbuf_dtag, 0, 2966 &mt->mt_dmap); 2967 if (error) { 2968 device_printf(sc->sc_dev, 2969 "can't create RX buf DMA map\n"); 2970 goto out; /* XXX wrong! */ 2971 } 2972 error = bwn_dma_newbuf(dr, desc, mt, 1); 2973 if (error) { 2974 device_printf(sc->sc_dev, 2975 "failed to allocate RX buf\n"); 2976 goto out; /* XXX wrong! */ 2977 } 2978 } 2979 2980 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 2981 BUS_DMASYNC_PREWRITE); 2982 2983 dr->dr_usedslot = dr->dr_numslots; 2984 } 2985 2986 out: 2987 return (dr); 2988 2989fail2: 2990 if (dr->dr_txhdr_cache != NULL) { 2991 contigfree(dr->dr_txhdr_cache, 2992 (dr->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2993 BWN_MAXTXHDRSIZE, M_DEVBUF); 2994 } 2995fail1: 2996 free(dr->dr_meta, M_DEVBUF); 2997fail0: 2998 free(dr, M_DEVBUF); 2999 return (NULL); 3000} 3001 3002static void 3003bwn_dma_ringfree(struct bwn_dma_ring **dr) 3004{ 3005 3006 if (dr == NULL) 3007 return; 3008 3009 bwn_dma_free_descbufs(*dr); 3010 bwn_dma_free_ringmemory(*dr); 3011 3012 if ((*dr)->dr_txhdr_cache != NULL) { 3013 contigfree((*dr)->dr_txhdr_cache, 3014 ((*dr)->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 3015 BWN_MAXTXHDRSIZE, M_DEVBUF); 3016 } 3017 free((*dr)->dr_meta, M_DEVBUF); 3018 free(*dr, M_DEVBUF); 3019 3020 *dr = NULL; 3021} 3022 3023static void 3024bwn_dma_32_getdesc(struct bwn_dma_ring *dr, int slot, 3025 struct bwn_dmadesc_generic **gdesc, struct bwn_dmadesc_meta **meta) 3026{ 3027 struct bwn_dmadesc32 *desc; 3028 3029 *meta = &(dr->dr_meta[slot]); 3030 desc = dr->dr_ring_descbase; 3031 desc = &(desc[slot]); 3032 3033 *gdesc = (struct bwn_dmadesc_generic *)desc; 3034} 3035 3036static void 3037bwn_dma_32_setdesc(struct bwn_dma_ring *dr, 3038 struct bwn_dmadesc_generic *desc, bus_addr_t dmaaddr, uint16_t bufsize, 3039 int start, int end, int irq) 3040{ 3041 struct bwn_dmadesc32 *descbase; 3042 struct bwn_dma *dma; 3043 struct bhnd_dma_translation *dt; 3044 uint32_t addr, addrext, ctl; 3045 int slot; 3046 3047 descbase = dr->dr_ring_descbase; 3048 dma = &dr->dr_mac->mac_method.dma; 3049 dt = &dma->translation; 3050 3051 slot = (int)(&(desc->dma.dma32) - descbase); 3052 KASSERT(slot >= 0 && slot < dr->dr_numslots, 3053 ("%s:%d: fail", __func__, __LINE__)); 3054 3055 addr = (dmaaddr & dt->addr_mask) | dt->base_addr; 3056 addrext = ((dmaaddr & dt->addrext_mask) >> dma->addrext_shift); 3057 ctl = bufsize & BWN_DMA32_DCTL_BYTECNT; 3058 if (slot == dr->dr_numslots - 1) 3059 ctl |= BWN_DMA32_DCTL_DTABLEEND; 3060 if (start) 3061 ctl |= BWN_DMA32_DCTL_FRAMESTART; 3062 if (end) 3063 ctl |= BWN_DMA32_DCTL_FRAMEEND; 3064 if (irq) 3065 ctl |= BWN_DMA32_DCTL_IRQ; 3066 ctl |= (addrext << BWN_DMA32_DCTL_ADDREXT_SHIFT) 3067 & BWN_DMA32_DCTL_ADDREXT_MASK; 3068 3069 desc->dma.dma32.control = htole32(ctl); 3070 desc->dma.dma32.address = htole32(addr); 3071} 3072 3073static void 3074bwn_dma_32_start_transfer(struct bwn_dma_ring *dr, int slot) 3075{ 3076 3077 BWN_DMA_WRITE(dr, BWN_DMA32_TXINDEX, 3078 (uint32_t)(slot * sizeof(struct bwn_dmadesc32))); 3079} 3080 3081static void 3082bwn_dma_32_suspend(struct bwn_dma_ring *dr) 3083{ 3084 3085 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, 3086 BWN_DMA_READ(dr, BWN_DMA32_TXCTL) | BWN_DMA32_TXSUSPEND); 3087} 3088 3089static void 3090bwn_dma_32_resume(struct bwn_dma_ring *dr) 3091{ 3092 3093 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, 3094 BWN_DMA_READ(dr, BWN_DMA32_TXCTL) & ~BWN_DMA32_TXSUSPEND); 3095} 3096 3097static int 3098bwn_dma_32_get_curslot(struct bwn_dma_ring *dr) 3099{ 3100 uint32_t val; 3101 3102 val = BWN_DMA_READ(dr, BWN_DMA32_RXSTATUS); 3103 val &= BWN_DMA32_RXDPTR; 3104 3105 return (val / sizeof(struct bwn_dmadesc32)); 3106} 3107 3108static void 3109bwn_dma_32_set_curslot(struct bwn_dma_ring *dr, int slot) 3110{ 3111 3112 BWN_DMA_WRITE(dr, BWN_DMA32_RXINDEX, 3113 (uint32_t) (slot * sizeof(struct bwn_dmadesc32))); 3114} 3115 3116static void 3117bwn_dma_64_getdesc(struct bwn_dma_ring *dr, int slot, 3118 struct bwn_dmadesc_generic **gdesc, struct bwn_dmadesc_meta **meta) 3119{ 3120 struct bwn_dmadesc64 *desc; 3121 3122 *meta = &(dr->dr_meta[slot]); 3123 desc = dr->dr_ring_descbase; 3124 desc = &(desc[slot]); 3125 3126 *gdesc = (struct bwn_dmadesc_generic *)desc; 3127} 3128 3129static void 3130bwn_dma_64_setdesc(struct bwn_dma_ring *dr, 3131 struct bwn_dmadesc_generic *desc, bus_addr_t dmaaddr, uint16_t bufsize, 3132 int start, int end, int irq) 3133{ 3134 struct bwn_dmadesc64 *descbase; 3135 struct bwn_dma *dma; 3136 struct bhnd_dma_translation *dt; 3137 bhnd_addr_t addr; 3138 uint32_t addrhi, addrlo; 3139 uint32_t addrext; 3140 uint32_t ctl0, ctl1; 3141 int slot; 3142 3143 descbase = dr->dr_ring_descbase; 3144 dma = &dr->dr_mac->mac_method.dma; 3145 dt = &dma->translation; 3146 3147 slot = (int)(&(desc->dma.dma64) - descbase); 3148 KASSERT(slot >= 0 && slot < dr->dr_numslots, 3149 ("%s:%d: fail", __func__, __LINE__)); 3150 3151 addr = (dmaaddr & dt->addr_mask) | dt->base_addr; 3152 addrhi = (addr >> 32); 3153 addrlo = (addr & UINT32_MAX); 3154 addrext = ((dmaaddr & dt->addrext_mask) >> dma->addrext_shift); 3155 3156 ctl0 = 0; 3157 if (slot == dr->dr_numslots - 1) 3158 ctl0 |= BWN_DMA64_DCTL0_DTABLEEND; 3159 if (start) 3160 ctl0 |= BWN_DMA64_DCTL0_FRAMESTART; 3161 if (end) 3162 ctl0 |= BWN_DMA64_DCTL0_FRAMEEND; 3163 if (irq) 3164 ctl0 |= BWN_DMA64_DCTL0_IRQ; 3165 3166 ctl1 = 0; 3167 ctl1 |= bufsize & BWN_DMA64_DCTL1_BYTECNT; 3168 ctl1 |= (addrext << BWN_DMA64_DCTL1_ADDREXT_SHIFT) 3169 & BWN_DMA64_DCTL1_ADDREXT_MASK; 3170 3171 desc->dma.dma64.control0 = htole32(ctl0); 3172 desc->dma.dma64.control1 = htole32(ctl1); 3173 desc->dma.dma64.address_low = htole32(addrlo); 3174 desc->dma.dma64.address_high = htole32(addrhi); 3175} 3176 3177static void 3178bwn_dma_64_start_transfer(struct bwn_dma_ring *dr, int slot) 3179{ 3180 3181 BWN_DMA_WRITE(dr, BWN_DMA64_TXINDEX, 3182 (uint32_t)(slot * sizeof(struct bwn_dmadesc64))); 3183} 3184 3185static void 3186bwn_dma_64_suspend(struct bwn_dma_ring *dr) 3187{ 3188 3189 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, 3190 BWN_DMA_READ(dr, BWN_DMA64_TXCTL) | BWN_DMA64_TXSUSPEND); 3191} 3192 3193static void 3194bwn_dma_64_resume(struct bwn_dma_ring *dr) 3195{ 3196 3197 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, 3198 BWN_DMA_READ(dr, BWN_DMA64_TXCTL) & ~BWN_DMA64_TXSUSPEND); 3199} 3200 3201static int 3202bwn_dma_64_get_curslot(struct bwn_dma_ring *dr) 3203{ 3204 uint32_t val; 3205 3206 val = BWN_DMA_READ(dr, BWN_DMA64_RXSTATUS); 3207 val &= BWN_DMA64_RXSTATDPTR; 3208 3209 return (val / sizeof(struct bwn_dmadesc64)); 3210} 3211 3212static void 3213bwn_dma_64_set_curslot(struct bwn_dma_ring *dr, int slot) 3214{ 3215 3216 BWN_DMA_WRITE(dr, BWN_DMA64_RXINDEX, 3217 (uint32_t)(slot * sizeof(struct bwn_dmadesc64))); 3218} 3219 3220static int 3221bwn_dma_allocringmemory(struct bwn_dma_ring *dr) 3222{ 3223 struct bwn_mac *mac = dr->dr_mac; 3224 struct bwn_dma *dma = &mac->mac_method.dma; 3225 struct bwn_softc *sc = mac->mac_sc; 3226 int error; 3227 3228 error = bus_dma_tag_create(dma->parent_dtag, 3229 BWN_ALIGN, 0, 3230 BUS_SPACE_MAXADDR, 3231 BUS_SPACE_MAXADDR, 3232 NULL, NULL, 3233 BWN_DMA_RINGMEMSIZE, 3234 1, 3235 BUS_SPACE_MAXSIZE_32BIT, 3236 0, 3237 NULL, NULL, 3238 &dr->dr_ring_dtag); 3239 if (error) { 3240 device_printf(sc->sc_dev, 3241 "can't create TX ring DMA tag: TODO frees\n"); 3242 return (-1); 3243 } 3244 3245 error = bus_dmamem_alloc(dr->dr_ring_dtag, 3246 &dr->dr_ring_descbase, BUS_DMA_WAITOK | BUS_DMA_ZERO, 3247 &dr->dr_ring_dmap); 3248 if (error) { 3249 device_printf(sc->sc_dev, 3250 "can't allocate DMA mem: TODO frees\n"); 3251 return (-1); 3252 } 3253 error = bus_dmamap_load(dr->dr_ring_dtag, dr->dr_ring_dmap, 3254 dr->dr_ring_descbase, BWN_DMA_RINGMEMSIZE, 3255 bwn_dma_ring_addr, &dr->dr_ring_dmabase, BUS_DMA_NOWAIT); 3256 if (error) { 3257 device_printf(sc->sc_dev, 3258 "can't load DMA mem: TODO free\n"); 3259 return (-1); 3260 } 3261 3262 return (0); 3263} 3264 3265static void 3266bwn_dma_setup(struct bwn_dma_ring *dr) 3267{ 3268 struct bwn_mac *mac; 3269 struct bwn_dma *dma; 3270 struct bhnd_dma_translation *dt; 3271 bhnd_addr_t addr, paddr; 3272 uint32_t addrhi, addrlo, addrext, value; 3273 3274 mac = dr->dr_mac; 3275 dma = &mac->mac_method.dma; 3276 dt = &dma->translation; 3277 3278 paddr = dr->dr_ring_dmabase; 3279 addr = (paddr & dt->addr_mask) | dt->base_addr; 3280 addrhi = (addr >> 32); 3281 addrlo = (addr & UINT32_MAX); 3282 addrext = ((paddr & dt->addrext_mask) >> dma->addrext_shift); 3283 3284 if (dr->dr_tx) { 3285 dr->dr_curslot = -1; 3286 3287 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3288 value = BWN_DMA64_TXENABLE; 3289 value |= BWN_DMA64_TXPARITY_DISABLE; 3290 value |= (addrext << BWN_DMA64_TXADDREXT_SHIFT) 3291 & BWN_DMA64_TXADDREXT_MASK; 3292 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, value); 3293 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGLO, addrlo); 3294 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGHI, addrhi); 3295 } else { 3296 value = BWN_DMA32_TXENABLE; 3297 value |= BWN_DMA32_TXPARITY_DISABLE; 3298 value |= (addrext << BWN_DMA32_TXADDREXT_SHIFT) 3299 & BWN_DMA32_TXADDREXT_MASK; 3300 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, value); 3301 BWN_DMA_WRITE(dr, BWN_DMA32_TXRING, addrlo); 3302 } 3303 return; 3304 } 3305 3306 /* 3307 * set for RX 3308 */ 3309 dr->dr_usedslot = dr->dr_numslots; 3310 3311 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3312 value = (dr->dr_frameoffset << BWN_DMA64_RXFROFF_SHIFT); 3313 value |= BWN_DMA64_RXENABLE; 3314 value |= BWN_DMA64_RXPARITY_DISABLE; 3315 value |= (addrext << BWN_DMA64_RXADDREXT_SHIFT) 3316 & BWN_DMA64_RXADDREXT_MASK; 3317 BWN_DMA_WRITE(dr, BWN_DMA64_RXCTL, value); 3318 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGLO, addrlo); 3319 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGHI, addrhi); 3320 BWN_DMA_WRITE(dr, BWN_DMA64_RXINDEX, dr->dr_numslots * 3321 sizeof(struct bwn_dmadesc64)); 3322 } else { 3323 value = (dr->dr_frameoffset << BWN_DMA32_RXFROFF_SHIFT); 3324 value |= BWN_DMA32_RXENABLE; 3325 value |= BWN_DMA32_RXPARITY_DISABLE; 3326 value |= (addrext << BWN_DMA32_RXADDREXT_SHIFT) 3327 & BWN_DMA32_RXADDREXT_MASK; 3328 BWN_DMA_WRITE(dr, BWN_DMA32_RXCTL, value); 3329 BWN_DMA_WRITE(dr, BWN_DMA32_RXRING, addrlo); 3330 BWN_DMA_WRITE(dr, BWN_DMA32_RXINDEX, dr->dr_numslots * 3331 sizeof(struct bwn_dmadesc32)); 3332 } 3333} 3334 3335static void 3336bwn_dma_free_ringmemory(struct bwn_dma_ring *dr) 3337{ 3338 3339 bus_dmamap_unload(dr->dr_ring_dtag, dr->dr_ring_dmap); 3340 bus_dmamem_free(dr->dr_ring_dtag, dr->dr_ring_descbase, 3341 dr->dr_ring_dmap); 3342} 3343 3344static void 3345bwn_dma_cleanup(struct bwn_dma_ring *dr) 3346{ 3347 3348 if (dr->dr_tx) { 3349 bwn_dma_tx_reset(dr->dr_mac, dr->dr_base, dr->dr_type); 3350 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3351 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGLO, 0); 3352 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGHI, 0); 3353 } else 3354 BWN_DMA_WRITE(dr, BWN_DMA32_TXRING, 0); 3355 } else { 3356 bwn_dma_rx_reset(dr->dr_mac, dr->dr_base, dr->dr_type); 3357 if (dr->dr_type == BHND_DMA_ADDR_64BIT) { 3358 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGLO, 0); 3359 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGHI, 0); 3360 } else 3361 BWN_DMA_WRITE(dr, BWN_DMA32_RXRING, 0); 3362 } 3363} 3364 3365static void 3366bwn_dma_free_descbufs(struct bwn_dma_ring *dr) 3367{ 3368 struct bwn_dmadesc_generic *desc; 3369 struct bwn_dmadesc_meta *meta; 3370 struct bwn_mac *mac = dr->dr_mac; 3371 struct bwn_dma *dma = &mac->mac_method.dma; 3372 struct bwn_softc *sc = mac->mac_sc; 3373 int i; 3374 3375 if (!dr->dr_usedslot) 3376 return; 3377 for (i = 0; i < dr->dr_numslots; i++) { 3378 dr->getdesc(dr, i, &desc, &meta); 3379 3380 if (meta->mt_m == NULL) { 3381 if (!dr->dr_tx) 3382 device_printf(sc->sc_dev, "%s: not TX?\n", 3383 __func__); 3384 continue; 3385 } 3386 if (dr->dr_tx) { 3387 if (meta->mt_txtype == BWN_DMADESC_METATYPE_HEADER) 3388 bus_dmamap_unload(dr->dr_txring_dtag, 3389 meta->mt_dmap); 3390 else if (meta->mt_txtype == BWN_DMADESC_METATYPE_BODY) 3391 bus_dmamap_unload(dma->txbuf_dtag, 3392 meta->mt_dmap); 3393 } else 3394 bus_dmamap_unload(dma->rxbuf_dtag, meta->mt_dmap); 3395 bwn_dma_free_descbuf(dr, meta); 3396 } 3397} 3398 3399static int 3400bwn_dma_tx_reset(struct bwn_mac *mac, uint16_t base, 3401 int type) 3402{ 3403 struct bwn_softc *sc = mac->mac_sc; 3404 uint32_t value; 3405 int i; 3406 uint16_t offset; 3407 3408 for (i = 0; i < 10; i++) { 3409 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXSTATUS : 3410 BWN_DMA32_TXSTATUS; 3411 value = BWN_READ_4(mac, base + offset); 3412 if (type == BHND_DMA_ADDR_64BIT) { 3413 value &= BWN_DMA64_TXSTAT; 3414 if (value == BWN_DMA64_TXSTAT_DISABLED || 3415 value == BWN_DMA64_TXSTAT_IDLEWAIT || 3416 value == BWN_DMA64_TXSTAT_STOPPED) 3417 break; 3418 } else { 3419 value &= BWN_DMA32_TXSTATE; 3420 if (value == BWN_DMA32_TXSTAT_DISABLED || 3421 value == BWN_DMA32_TXSTAT_IDLEWAIT || 3422 value == BWN_DMA32_TXSTAT_STOPPED) 3423 break; 3424 } 3425 DELAY(1000); 3426 } 3427 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXCTL : 3428 BWN_DMA32_TXCTL; 3429 BWN_WRITE_4(mac, base + offset, 0); 3430 for (i = 0; i < 10; i++) { 3431 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_TXSTATUS : 3432 BWN_DMA32_TXSTATUS; 3433 value = BWN_READ_4(mac, base + offset); 3434 if (type == BHND_DMA_ADDR_64BIT) { 3435 value &= BWN_DMA64_TXSTAT; 3436 if (value == BWN_DMA64_TXSTAT_DISABLED) { 3437 i = -1; 3438 break; 3439 } 3440 } else { 3441 value &= BWN_DMA32_TXSTATE; 3442 if (value == BWN_DMA32_TXSTAT_DISABLED) { 3443 i = -1; 3444 break; 3445 } 3446 } 3447 DELAY(1000); 3448 } 3449 if (i != -1) { 3450 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 3451 return (ENODEV); 3452 } 3453 DELAY(1000); 3454 3455 return (0); 3456} 3457 3458static int 3459bwn_dma_rx_reset(struct bwn_mac *mac, uint16_t base, 3460 int type) 3461{ 3462 struct bwn_softc *sc = mac->mac_sc; 3463 uint32_t value; 3464 int i; 3465 uint16_t offset; 3466 3467 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_RXCTL : 3468 BWN_DMA32_RXCTL; 3469 BWN_WRITE_4(mac, base + offset, 0); 3470 for (i = 0; i < 10; i++) { 3471 offset = (type == BHND_DMA_ADDR_64BIT) ? BWN_DMA64_RXSTATUS : 3472 BWN_DMA32_RXSTATUS; 3473 value = BWN_READ_4(mac, base + offset); 3474 if (type == BHND_DMA_ADDR_64BIT) { 3475 value &= BWN_DMA64_RXSTAT; 3476 if (value == BWN_DMA64_RXSTAT_DISABLED) { 3477 i = -1; 3478 break; 3479 } 3480 } else { 3481 value &= BWN_DMA32_RXSTATE; 3482 if (value == BWN_DMA32_RXSTAT_DISABLED) { 3483 i = -1; 3484 break; 3485 } 3486 } 3487 DELAY(1000); 3488 } 3489 if (i != -1) { 3490 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 3491 return (ENODEV); 3492 } 3493 3494 return (0); 3495} 3496 3497static void 3498bwn_dma_free_descbuf(struct bwn_dma_ring *dr, 3499 struct bwn_dmadesc_meta *meta) 3500{ 3501 3502 if (meta->mt_m != NULL) { 3503 m_freem(meta->mt_m); 3504 meta->mt_m = NULL; 3505 } 3506 if (meta->mt_ni != NULL) { 3507 ieee80211_free_node(meta->mt_ni); 3508 meta->mt_ni = NULL; 3509 } 3510} 3511 3512static void 3513bwn_dma_set_redzone(struct bwn_dma_ring *dr, struct mbuf *m) 3514{ 3515 struct bwn_rxhdr4 *rxhdr; 3516 unsigned char *frame; 3517 3518 rxhdr = mtod(m, struct bwn_rxhdr4 *); 3519 rxhdr->frame_len = 0; 3520 3521 KASSERT(dr->dr_rx_bufsize >= dr->dr_frameoffset + 3522 sizeof(struct bwn_plcp6) + 2, 3523 ("%s:%d: fail", __func__, __LINE__)); 3524 frame = mtod(m, char *) + dr->dr_frameoffset; 3525 memset(frame, 0xff, sizeof(struct bwn_plcp6) + 2 /* padding */); 3526} 3527 3528static uint8_t 3529bwn_dma_check_redzone(struct bwn_dma_ring *dr, struct mbuf *m) 3530{ 3531 unsigned char *f = mtod(m, char *) + dr->dr_frameoffset; 3532 3533 return ((f[0] & f[1] & f[2] & f[3] & f[4] & f[5] & f[6] & f[7]) 3534 == 0xff); 3535} 3536 3537static void 3538bwn_wme_init(struct bwn_mac *mac) 3539{ 3540 3541 bwn_wme_load(mac); 3542 3543 /* enable WME support. */ 3544 bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_EDCF); 3545 BWN_WRITE_2(mac, BWN_IFSCTL, BWN_READ_2(mac, BWN_IFSCTL) | 3546 BWN_IFSCTL_USE_EDCF); 3547} 3548 3549static void 3550bwn_spu_setdelay(struct bwn_mac *mac, int idle) 3551{ 3552 struct bwn_softc *sc = mac->mac_sc; 3553 struct ieee80211com *ic = &sc->sc_ic; 3554 uint16_t delay; /* microsec */ 3555 3556 delay = (mac->mac_phy.type == BWN_PHYTYPE_A) ? 3700 : 1050; 3557 if (ic->ic_opmode == IEEE80211_M_IBSS || idle) 3558 delay = 500; 3559 if ((mac->mac_phy.rf_ver == 0x2050) && (mac->mac_phy.rf_rev == 8)) 3560 delay = max(delay, (uint16_t)2400); 3561 3562 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_SPU_WAKEUP, delay); 3563} 3564 3565static void 3566bwn_bt_enable(struct bwn_mac *mac) 3567{ 3568 struct bwn_softc *sc = mac->mac_sc; 3569 uint64_t hf; 3570 3571 if (bwn_bluetooth == 0) 3572 return; 3573 if ((sc->sc_board_info.board_flags & BHND_BFL_BTCOEX) == 0) 3574 return; 3575 if (mac->mac_phy.type != BWN_PHYTYPE_B && !mac->mac_phy.gmode) 3576 return; 3577 3578 hf = bwn_hf_read(mac); 3579 if (sc->sc_board_info.board_flags & BHND_BFL_BTC2WIRE_ALTGPIO) 3580 hf |= BWN_HF_BT_COEXISTALT; 3581 else 3582 hf |= BWN_HF_BT_COEXIST; 3583 bwn_hf_write(mac, hf); 3584} 3585 3586static void 3587bwn_set_macaddr(struct bwn_mac *mac) 3588{ 3589 3590 bwn_mac_write_bssid(mac); 3591 bwn_mac_setfilter(mac, BWN_MACFILTER_SELF, 3592 mac->mac_sc->sc_ic.ic_macaddr); 3593} 3594 3595static void 3596bwn_clear_keys(struct bwn_mac *mac) 3597{ 3598 int i; 3599 3600 for (i = 0; i < mac->mac_max_nr_keys; i++) { 3601 KASSERT(i >= 0 && i < mac->mac_max_nr_keys, 3602 ("%s:%d: fail", __func__, __LINE__)); 3603 3604 bwn_key_dowrite(mac, i, BWN_SEC_ALGO_NONE, 3605 NULL, BWN_SEC_KEYSIZE, NULL); 3606 if ((i <= 3) && !BWN_SEC_NEWAPI(mac)) { 3607 bwn_key_dowrite(mac, i + 4, BWN_SEC_ALGO_NONE, 3608 NULL, BWN_SEC_KEYSIZE, NULL); 3609 } 3610 mac->mac_key[i].keyconf = NULL; 3611 } 3612} 3613 3614static void 3615bwn_crypt_init(struct bwn_mac *mac) 3616{ 3617 struct bwn_softc *sc = mac->mac_sc; 3618 3619 mac->mac_max_nr_keys = (bhnd_get_hwrev(sc->sc_dev) >= 5) ? 58 : 20; 3620 KASSERT(mac->mac_max_nr_keys <= N(mac->mac_key), 3621 ("%s:%d: fail", __func__, __LINE__)); 3622 mac->mac_ktp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_KEY_TABLEP); 3623 mac->mac_ktp *= 2; 3624 if (bhnd_get_hwrev(sc->sc_dev) >= 5) 3625 BWN_WRITE_2(mac, BWN_RCMTA_COUNT, mac->mac_max_nr_keys - 8); 3626 bwn_clear_keys(mac); 3627} 3628 3629static void 3630bwn_chip_exit(struct bwn_mac *mac) 3631{ 3632 bwn_phy_exit(mac); 3633} 3634 3635static int 3636bwn_fw_fillinfo(struct bwn_mac *mac) 3637{ 3638 int error; 3639 3640 error = bwn_fw_gets(mac, BWN_FWTYPE_DEFAULT); 3641 if (error == 0) 3642 return (0); 3643 error = bwn_fw_gets(mac, BWN_FWTYPE_OPENSOURCE); 3644 if (error == 0) 3645 return (0); 3646 return (error); 3647} 3648 3649/** 3650 * Request that the GPIO controller tristate all pins set in @p mask, granting 3651 * the MAC core control over the pins. 3652 * 3653 * @param mac bwn MAC state. 3654 * @param pins If the bit position for a pin number is set to one, tristate the 3655 * pin. 3656 */ 3657int 3658bwn_gpio_control(struct bwn_mac *mac, uint32_t pins) 3659{ 3660 struct bwn_softc *sc; 3661 uint32_t flags[32]; 3662 int error; 3663 3664 sc = mac->mac_sc; 3665 3666 /* Determine desired pin flags */ 3667 for (size_t pin = 0; pin < nitems(flags); pin++) { 3668 uint32_t pinbit = (1 << pin); 3669 3670 if (pins & pinbit) { 3671 /* Tristate output */ 3672 flags[pin] = GPIO_PIN_OUTPUT|GPIO_PIN_TRISTATE; 3673 } else { 3674 /* Leave unmodified */ 3675 flags[pin] = 0; 3676 } 3677 } 3678 3679 /* Configure all pins */ 3680 error = GPIO_PIN_CONFIG_32(sc->sc_gpio, 0, nitems(flags), flags); 3681 if (error) { 3682 device_printf(sc->sc_dev, "error configuring %s pin flags: " 3683 "%d\n", device_get_nameunit(sc->sc_gpio), error); 3684 return (error); 3685 } 3686 3687 return (0); 3688} 3689 3690static int 3691bwn_gpio_init(struct bwn_mac *mac) 3692{ 3693 struct bwn_softc *sc; 3694 uint32_t pins; 3695 3696 sc = mac->mac_sc; 3697 3698 pins = 0xF; 3699 3700 BWN_WRITE_4(mac, BWN_MACCTL, 3701 BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_GPOUT_MASK); 3702 BWN_WRITE_2(mac, BWN_GPIO_MASK, 3703 BWN_READ_2(mac, BWN_GPIO_MASK) | pins); 3704 3705 if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL) { 3706 /* MAC core is responsible for toggling PAREF via gpio9 */ 3707 BWN_WRITE_2(mac, BWN_GPIO_MASK, 3708 BWN_READ_2(mac, BWN_GPIO_MASK) | BHND_GPIO_BOARD_PACTRL); 3709 3710 pins |= BHND_GPIO_BOARD_PACTRL; 3711 } 3712 3713 return (bwn_gpio_control(mac, pins)); 3714} 3715 3716static int 3717bwn_fw_loadinitvals(struct bwn_mac *mac) 3718{ 3719#define GETFWOFFSET(fwp, offset) \ 3720 ((const struct bwn_fwinitvals *)((const char *)fwp.fw->data + offset)) 3721 const size_t hdr_len = sizeof(struct bwn_fwhdr); 3722 const struct bwn_fwhdr *hdr; 3723 struct bwn_fw *fw = &mac->mac_fw; 3724 int error; 3725 3726 hdr = (const struct bwn_fwhdr *)(fw->initvals.fw->data); 3727 error = bwn_fwinitvals_write(mac, GETFWOFFSET(fw->initvals, hdr_len), 3728 be32toh(hdr->size), fw->initvals.fw->datasize - hdr_len); 3729 if (error) 3730 return (error); 3731 if (fw->initvals_band.fw) { 3732 hdr = (const struct bwn_fwhdr *)(fw->initvals_band.fw->data); 3733 error = bwn_fwinitvals_write(mac, 3734 GETFWOFFSET(fw->initvals_band, hdr_len), 3735 be32toh(hdr->size), 3736 fw->initvals_band.fw->datasize - hdr_len); 3737 } 3738 return (error); 3739#undef GETFWOFFSET 3740} 3741 3742static int 3743bwn_phy_init(struct bwn_mac *mac) 3744{ 3745 struct bwn_softc *sc = mac->mac_sc; 3746 int error; 3747 3748 mac->mac_phy.chan = mac->mac_phy.get_default_chan(mac); 3749 mac->mac_phy.rf_onoff(mac, 1); 3750 error = mac->mac_phy.init(mac); 3751 if (error) { 3752 device_printf(sc->sc_dev, "PHY init failed\n"); 3753 goto fail0; 3754 } 3755 error = bwn_switch_channel(mac, 3756 mac->mac_phy.get_default_chan(mac)); 3757 if (error) { 3758 device_printf(sc->sc_dev, 3759 "failed to switch default channel\n"); 3760 goto fail1; 3761 } 3762 return (0); 3763fail1: 3764 if (mac->mac_phy.exit) 3765 mac->mac_phy.exit(mac); 3766fail0: 3767 mac->mac_phy.rf_onoff(mac, 0); 3768 3769 return (error); 3770} 3771 3772static void 3773bwn_set_txantenna(struct bwn_mac *mac, int antenna) 3774{ 3775 uint16_t ant; 3776 uint16_t tmp; 3777 3778 ant = bwn_ant2phy(antenna); 3779 3780 /* For ACK/CTS */ 3781 tmp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL); 3782 tmp = (tmp & ~BWN_TX_PHY_ANT) | ant; 3783 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL, tmp); 3784 /* For Probe Resposes */ 3785 tmp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL); 3786 tmp = (tmp & ~BWN_TX_PHY_ANT) | ant; 3787 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL, tmp); 3788} 3789 3790static void 3791bwn_set_opmode(struct bwn_mac *mac) 3792{ 3793 struct bwn_softc *sc = mac->mac_sc; 3794 struct ieee80211com *ic = &sc->sc_ic; 3795 uint32_t ctl; 3796 uint16_t cfp_pretbtt; 3797 3798 ctl = BWN_READ_4(mac, BWN_MACCTL); 3799 ctl &= ~(BWN_MACCTL_HOSTAP | BWN_MACCTL_PASS_CTL | 3800 BWN_MACCTL_PASS_BADPLCP | BWN_MACCTL_PASS_BADFCS | 3801 BWN_MACCTL_PROMISC | BWN_MACCTL_BEACON_PROMISC); 3802 ctl |= BWN_MACCTL_STA; 3803 3804 if (ic->ic_opmode == IEEE80211_M_HOSTAP || 3805 ic->ic_opmode == IEEE80211_M_MBSS) 3806 ctl |= BWN_MACCTL_HOSTAP; 3807 else if (ic->ic_opmode == IEEE80211_M_IBSS) 3808 ctl &= ~BWN_MACCTL_STA; 3809 ctl |= sc->sc_filters; 3810 3811 if (bhnd_get_hwrev(sc->sc_dev) <= 4) 3812 ctl |= BWN_MACCTL_PROMISC; 3813 3814 BWN_WRITE_4(mac, BWN_MACCTL, ctl); 3815 3816 cfp_pretbtt = 2; 3817 if ((ctl & BWN_MACCTL_STA) && !(ctl & BWN_MACCTL_HOSTAP)) { 3818 if (sc->sc_cid.chip_id == BHND_CHIPID_BCM4306 && 3819 sc->sc_cid.chip_rev == 3) 3820 cfp_pretbtt = 100; 3821 else 3822 cfp_pretbtt = 50; 3823 } 3824 BWN_WRITE_2(mac, 0x612, cfp_pretbtt); 3825} 3826 3827static void 3828bwn_dma_ring_addr(void *arg, bus_dma_segment_t *seg, int nseg, int error) 3829{ 3830 if (!error) { 3831 KASSERT(nseg == 1, ("too many segments(%d)\n", nseg)); 3832 *((bus_addr_t *)arg) = seg->ds_addr; 3833 } 3834} 3835 3836void 3837bwn_dummy_transmission(struct bwn_mac *mac, int ofdm, int paon) 3838{ 3839 struct bwn_phy *phy = &mac->mac_phy; 3840 struct bwn_softc *sc = mac->mac_sc; 3841 unsigned int i, max_loop; 3842 uint16_t value; 3843 uint32_t buffer[5] = { 3844 0x00000000, 0x00d40000, 0x00000000, 0x01000000, 0x00000000 3845 }; 3846 3847 if (ofdm) { 3848 max_loop = 0x1e; 3849 buffer[0] = 0x000201cc; 3850 } else { 3851 max_loop = 0xfa; 3852 buffer[0] = 0x000b846e; 3853 } 3854 3855 BWN_ASSERT_LOCKED(mac->mac_sc); 3856 3857 for (i = 0; i < 5; i++) 3858 bwn_ram_write(mac, i * 4, buffer[i]); 3859 3860 BWN_WRITE_2(mac, 0x0568, 0x0000); 3861 BWN_WRITE_2(mac, 0x07c0, 3862 (bhnd_get_hwrev(sc->sc_dev) < 11) ? 0x0000 : 0x0100); 3863 3864 value = (ofdm ? 0x41 : 0x40); 3865 BWN_WRITE_2(mac, 0x050c, value); 3866 3867 if (phy->type == BWN_PHYTYPE_N || phy->type == BWN_PHYTYPE_LP || 3868 phy->type == BWN_PHYTYPE_LCN) 3869 BWN_WRITE_2(mac, 0x0514, 0x1a02); 3870 BWN_WRITE_2(mac, 0x0508, 0x0000); 3871 BWN_WRITE_2(mac, 0x050a, 0x0000); 3872 BWN_WRITE_2(mac, 0x054c, 0x0000); 3873 BWN_WRITE_2(mac, 0x056a, 0x0014); 3874 BWN_WRITE_2(mac, 0x0568, 0x0826); 3875 BWN_WRITE_2(mac, 0x0500, 0x0000); 3876 3877 /* XXX TODO: n phy pa override? */ 3878 3879 switch (phy->type) { 3880 case BWN_PHYTYPE_N: 3881 case BWN_PHYTYPE_LCN: 3882 BWN_WRITE_2(mac, 0x0502, 0x00d0); 3883 break; 3884 case BWN_PHYTYPE_LP: 3885 BWN_WRITE_2(mac, 0x0502, 0x0050); 3886 break; 3887 default: 3888 BWN_WRITE_2(mac, 0x0502, 0x0030); 3889 break; 3890 } 3891 3892 /* flush */ 3893 BWN_READ_2(mac, 0x0502); 3894 3895 if (phy->rf_ver == 0x2050 && phy->rf_rev <= 0x5) 3896 BWN_RF_WRITE(mac, 0x0051, 0x0017); 3897 for (i = 0x00; i < max_loop; i++) { 3898 value = BWN_READ_2(mac, 0x050e); 3899 if (value & 0x0080) 3900 break; 3901 DELAY(10); 3902 } 3903 for (i = 0x00; i < 0x0a; i++) { 3904 value = BWN_READ_2(mac, 0x050e); 3905 if (value & 0x0400) 3906 break; 3907 DELAY(10); 3908 } 3909 for (i = 0x00; i < 0x19; i++) { 3910 value = BWN_READ_2(mac, 0x0690); 3911 if (!(value & 0x0100)) 3912 break; 3913 DELAY(10); 3914 } 3915 if (phy->rf_ver == 0x2050 && phy->rf_rev <= 0x5) 3916 BWN_RF_WRITE(mac, 0x0051, 0x0037); 3917} 3918 3919void 3920bwn_ram_write(struct bwn_mac *mac, uint16_t offset, uint32_t val) 3921{ 3922 uint32_t macctl; 3923 3924 KASSERT(offset % 4 == 0, ("%s:%d: fail", __func__, __LINE__)); 3925 3926 macctl = BWN_READ_4(mac, BWN_MACCTL); 3927 if (macctl & BWN_MACCTL_BIGENDIAN) 3928 printf("TODO: need swap\n"); 3929 3930 BWN_WRITE_4(mac, BWN_RAM_CONTROL, offset); 3931 BWN_BARRIER(mac, BWN_RAM_CONTROL, 4, BUS_SPACE_BARRIER_WRITE); 3932 BWN_WRITE_4(mac, BWN_RAM_DATA, val); 3933} 3934 3935void 3936bwn_mac_suspend(struct bwn_mac *mac) 3937{ 3938 struct bwn_softc *sc = mac->mac_sc; 3939 int i; 3940 uint32_t tmp; 3941 3942 KASSERT(mac->mac_suspended >= 0, 3943 ("%s:%d: fail", __func__, __LINE__)); 3944 3945 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: suspended=%d\n", 3946 __func__, mac->mac_suspended); 3947 3948 if (mac->mac_suspended == 0) { 3949 bwn_psctl(mac, BWN_PS_AWAKE); 3950 BWN_WRITE_4(mac, BWN_MACCTL, 3951 BWN_READ_4(mac, BWN_MACCTL) 3952 & ~BWN_MACCTL_ON); 3953 BWN_READ_4(mac, BWN_MACCTL); 3954 for (i = 35; i; i--) { 3955 tmp = BWN_READ_4(mac, BWN_INTR_REASON); 3956 if (tmp & BWN_INTR_MAC_SUSPENDED) 3957 goto out; 3958 DELAY(10); 3959 } 3960 for (i = 40; i; i--) { 3961 tmp = BWN_READ_4(mac, BWN_INTR_REASON); 3962 if (tmp & BWN_INTR_MAC_SUSPENDED) 3963 goto out; 3964 DELAY(1000); 3965 } 3966 device_printf(sc->sc_dev, "MAC suspend failed\n"); 3967 } 3968out: 3969 mac->mac_suspended++; 3970} 3971 3972void 3973bwn_mac_enable(struct bwn_mac *mac) 3974{ 3975 struct bwn_softc *sc = mac->mac_sc; 3976 uint16_t state; 3977 3978 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: suspended=%d\n", 3979 __func__, mac->mac_suspended); 3980 3981 state = bwn_shm_read_2(mac, BWN_SHARED, 3982 BWN_SHARED_UCODESTAT); 3983 if (state != BWN_SHARED_UCODESTAT_SUSPEND && 3984 state != BWN_SHARED_UCODESTAT_SLEEP) { 3985 DPRINTF(sc, BWN_DEBUG_FW, 3986 "%s: warn: firmware state (%d)\n", 3987 __func__, state); 3988 } 3989 3990 mac->mac_suspended--; 3991 KASSERT(mac->mac_suspended >= 0, 3992 ("%s:%d: fail", __func__, __LINE__)); 3993 if (mac->mac_suspended == 0) { 3994 BWN_WRITE_4(mac, BWN_MACCTL, 3995 BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_ON); 3996 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_MAC_SUSPENDED); 3997 BWN_READ_4(mac, BWN_MACCTL); 3998 BWN_READ_4(mac, BWN_INTR_REASON); 3999 bwn_psctl(mac, 0); 4000 } 4001} 4002 4003void 4004bwn_psctl(struct bwn_mac *mac, uint32_t flags) 4005{ 4006 struct bwn_softc *sc = mac->mac_sc; 4007 int i; 4008 uint16_t ucstat; 4009 4010 KASSERT(!((flags & BWN_PS_ON) && (flags & BWN_PS_OFF)), 4011 ("%s:%d: fail", __func__, __LINE__)); 4012 KASSERT(!((flags & BWN_PS_AWAKE) && (flags & BWN_PS_ASLEEP)), 4013 ("%s:%d: fail", __func__, __LINE__)); 4014 4015 /* XXX forcibly awake and hwps-off */ 4016 4017 BWN_WRITE_4(mac, BWN_MACCTL, 4018 (BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_AWAKE) & 4019 ~BWN_MACCTL_HWPS); 4020 BWN_READ_4(mac, BWN_MACCTL); 4021 if (bhnd_get_hwrev(sc->sc_dev) >= 5) { 4022 for (i = 0; i < 100; i++) { 4023 ucstat = bwn_shm_read_2(mac, BWN_SHARED, 4024 BWN_SHARED_UCODESTAT); 4025 if (ucstat != BWN_SHARED_UCODESTAT_SLEEP) 4026 break; 4027 DELAY(10); 4028 } 4029 } 4030 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: ucstat=%d\n", __func__, 4031 ucstat); 4032} 4033 4034static int 4035bwn_fw_gets(struct bwn_mac *mac, enum bwn_fwtype type) 4036{ 4037 struct bwn_softc *sc = mac->mac_sc; 4038 struct bwn_fw *fw = &mac->mac_fw; 4039 const uint8_t rev = bhnd_get_hwrev(sc->sc_dev); 4040 const char *filename; 4041 uint16_t iost; 4042 int error; 4043 4044 /* microcode */ 4045 filename = NULL; 4046 switch (rev) { 4047 case 42: 4048 if (mac->mac_phy.type == BWN_PHYTYPE_AC) 4049 filename = "ucode42"; 4050 break; 4051 case 40: 4052 if (mac->mac_phy.type == BWN_PHYTYPE_AC) 4053 filename = "ucode40"; 4054 break; 4055 case 33: 4056 if (mac->mac_phy.type == BWN_PHYTYPE_LCN40) 4057 filename = "ucode33_lcn40"; 4058 break; 4059 case 30: 4060 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4061 filename = "ucode30_mimo"; 4062 break; 4063 case 29: 4064 if (mac->mac_phy.type == BWN_PHYTYPE_HT) 4065 filename = "ucode29_mimo"; 4066 break; 4067 case 26: 4068 if (mac->mac_phy.type == BWN_PHYTYPE_HT) 4069 filename = "ucode26_mimo"; 4070 break; 4071 case 28: 4072 case 25: 4073 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4074 filename = "ucode25_mimo"; 4075 else if (mac->mac_phy.type == BWN_PHYTYPE_LCN) 4076 filename = "ucode25_lcn"; 4077 break; 4078 case 24: 4079 if (mac->mac_phy.type == BWN_PHYTYPE_LCN) 4080 filename = "ucode24_lcn"; 4081 break; 4082 case 23: 4083 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4084 filename = "ucode16_mimo"; 4085 break; 4086 case 16: 4087 case 17: 4088 case 18: 4089 case 19: 4090 if (mac->mac_phy.type == BWN_PHYTYPE_N) 4091 filename = "ucode16_mimo"; 4092 else if (mac->mac_phy.type == BWN_PHYTYPE_LP) 4093 filename = "ucode16_lp"; 4094 break; 4095 case 15: 4096 filename = "ucode15"; 4097 break; 4098 case 14: 4099 filename = "ucode14"; 4100 break; 4101 case 13: 4102 filename = "ucode13"; 4103 break; 4104 case 12: 4105 case 11: 4106 filename = "ucode11"; 4107 break; 4108 case 10: 4109 case 9: 4110 case 8: 4111 case 7: 4112 case 6: 4113 case 5: 4114 filename = "ucode5"; 4115 break; 4116 default: 4117 device_printf(sc->sc_dev, "no ucode for rev %d\n", rev); 4118 bwn_release_firmware(mac); 4119 return (EOPNOTSUPP); 4120 } 4121 4122 device_printf(sc->sc_dev, "ucode fw: %s\n", filename); 4123 error = bwn_fw_get(mac, type, filename, &fw->ucode); 4124 if (error) { 4125 bwn_release_firmware(mac); 4126 return (error); 4127 } 4128 4129 /* PCM */ 4130 KASSERT(fw->no_pcmfile == 0, ("%s:%d fail", __func__, __LINE__)); 4131 if (rev >= 5 && rev <= 10) { 4132 error = bwn_fw_get(mac, type, "pcm5", &fw->pcm); 4133 if (error == ENOENT) 4134 fw->no_pcmfile = 1; 4135 else if (error) { 4136 bwn_release_firmware(mac); 4137 return (error); 4138 } 4139 } else if (rev < 11) { 4140 device_printf(sc->sc_dev, "no PCM for rev %d\n", rev); 4141 bwn_release_firmware(mac); 4142 return (EOPNOTSUPP); 4143 } 4144 4145 /* initvals */ 4146 error = bhnd_read_iost(sc->sc_dev, &iost); 4147 if (error) 4148 goto fail1; 4149 4150 switch (mac->mac_phy.type) { 4151 case BWN_PHYTYPE_A: 4152 if (rev < 5 || rev > 10) 4153 goto fail1; 4154 if (iost & BWN_IOST_HAVE_2GHZ) 4155 filename = "a0g1initvals5"; 4156 else 4157 filename = "a0g0initvals5"; 4158 break; 4159 case BWN_PHYTYPE_G: 4160 if (rev >= 5 && rev <= 10) 4161 filename = "b0g0initvals5"; 4162 else if (rev >= 13) 4163 filename = "b0g0initvals13"; 4164 else 4165 goto fail1; 4166 break; 4167 case BWN_PHYTYPE_LP: 4168 if (rev == 13) 4169 filename = "lp0initvals13"; 4170 else if (rev == 14) 4171 filename = "lp0initvals14"; 4172 else if (rev >= 15) 4173 filename = "lp0initvals15"; 4174 else 4175 goto fail1; 4176 break; 4177 case BWN_PHYTYPE_N: 4178 if (rev == 30) 4179 filename = "n16initvals30"; 4180 else if (rev == 28 || rev == 25) 4181 filename = "n0initvals25"; 4182 else if (rev == 24) 4183 filename = "n0initvals24"; 4184 else if (rev == 23) 4185 filename = "n0initvals16"; 4186 else if (rev >= 16 && rev <= 18) 4187 filename = "n0initvals16"; 4188 else if (rev >= 11 && rev <= 12) 4189 filename = "n0initvals11"; 4190 else 4191 goto fail1; 4192 break; 4193 default: 4194 goto fail1; 4195 } 4196 error = bwn_fw_get(mac, type, filename, &fw->initvals); 4197 if (error) { 4198 bwn_release_firmware(mac); 4199 return (error); 4200 } 4201 4202 /* bandswitch initvals */ 4203 switch (mac->mac_phy.type) { 4204 case BWN_PHYTYPE_A: 4205 if (rev >= 5 && rev <= 10) { 4206 if (iost & BWN_IOST_HAVE_2GHZ) 4207 filename = "a0g1bsinitvals5"; 4208 else 4209 filename = "a0g0bsinitvals5"; 4210 } else if (rev >= 11) 4211 filename = NULL; 4212 else 4213 goto fail1; 4214 break; 4215 case BWN_PHYTYPE_G: 4216 if (rev >= 5 && rev <= 10) 4217 filename = "b0g0bsinitvals5"; 4218 else if (rev >= 11) 4219 filename = NULL; 4220 else 4221 goto fail1; 4222 break; 4223 case BWN_PHYTYPE_LP: 4224 if (rev == 13) 4225 filename = "lp0bsinitvals13"; 4226 else if (rev == 14) 4227 filename = "lp0bsinitvals14"; 4228 else if (rev >= 15) 4229 filename = "lp0bsinitvals15"; 4230 else 4231 goto fail1; 4232 break; 4233 case BWN_PHYTYPE_N: 4234 if (rev == 30) 4235 filename = "n16bsinitvals30"; 4236 else if (rev == 28 || rev == 25) 4237 filename = "n0bsinitvals25"; 4238 else if (rev == 24) 4239 filename = "n0bsinitvals24"; 4240 else if (rev == 23) 4241 filename = "n0bsinitvals16"; 4242 else if (rev >= 16 && rev <= 18) 4243 filename = "n0bsinitvals16"; 4244 else if (rev >= 11 && rev <= 12) 4245 filename = "n0bsinitvals11"; 4246 else 4247 goto fail1; 4248 break; 4249 default: 4250 device_printf(sc->sc_dev, "unknown phy (%d)\n", 4251 mac->mac_phy.type); 4252 goto fail1; 4253 } 4254 error = bwn_fw_get(mac, type, filename, &fw->initvals_band); 4255 if (error) { 4256 bwn_release_firmware(mac); 4257 return (error); 4258 } 4259 return (0); 4260fail1: 4261 device_printf(sc->sc_dev, "no INITVALS for rev %d, phy.type %d\n", 4262 rev, mac->mac_phy.type); 4263 bwn_release_firmware(mac); 4264 return (EOPNOTSUPP); 4265} 4266 4267static int 4268bwn_fw_get(struct bwn_mac *mac, enum bwn_fwtype type, 4269 const char *name, struct bwn_fwfile *bfw) 4270{ 4271 const struct bwn_fwhdr *hdr; 4272 struct bwn_softc *sc = mac->mac_sc; 4273 const struct firmware *fw; 4274 char namebuf[64]; 4275 4276 if (name == NULL) { 4277 bwn_do_release_fw(bfw); 4278 return (0); 4279 } 4280 if (bfw->filename != NULL) { 4281 if (bfw->type == type && (strcmp(bfw->filename, name) == 0)) 4282 return (0); 4283 bwn_do_release_fw(bfw); 4284 } 4285 4286 snprintf(namebuf, sizeof(namebuf), "bwn%s_v4_%s%s", 4287 (type == BWN_FWTYPE_OPENSOURCE) ? "-open" : "", 4288 (mac->mac_phy.type == BWN_PHYTYPE_LP) ? "lp_" : "", name); 4289 /* XXX Sleeping on "fwload" with the non-sleepable locks held */ 4290 fw = firmware_get(namebuf); 4291 if (fw == NULL) { 4292 device_printf(sc->sc_dev, "the fw file(%s) not found\n", 4293 namebuf); 4294 return (ENOENT); 4295 } 4296 if (fw->datasize < sizeof(struct bwn_fwhdr)) 4297 goto fail; 4298 hdr = (const struct bwn_fwhdr *)(fw->data); 4299 switch (hdr->type) { 4300 case BWN_FWTYPE_UCODE: 4301 case BWN_FWTYPE_PCM: 4302 if (be32toh(hdr->size) != 4303 (fw->datasize - sizeof(struct bwn_fwhdr))) 4304 goto fail; 4305 /* FALLTHROUGH */ 4306 case BWN_FWTYPE_IV: 4307 if (hdr->ver != 1) 4308 goto fail; 4309 break; 4310 default: 4311 goto fail; 4312 } 4313 bfw->filename = name; 4314 bfw->fw = fw; 4315 bfw->type = type; 4316 return (0); 4317fail: 4318 device_printf(sc->sc_dev, "the fw file(%s) format error\n", namebuf); 4319 if (fw != NULL) 4320 firmware_put(fw, FIRMWARE_UNLOAD); 4321 return (EPROTO); 4322} 4323 4324static void 4325bwn_release_firmware(struct bwn_mac *mac) 4326{ 4327 4328 bwn_do_release_fw(&mac->mac_fw.ucode); 4329 bwn_do_release_fw(&mac->mac_fw.pcm); 4330 bwn_do_release_fw(&mac->mac_fw.initvals); 4331 bwn_do_release_fw(&mac->mac_fw.initvals_band); 4332} 4333 4334static void 4335bwn_do_release_fw(struct bwn_fwfile *bfw) 4336{ 4337 4338 if (bfw->fw != NULL) 4339 firmware_put(bfw->fw, FIRMWARE_UNLOAD); 4340 bfw->fw = NULL; 4341 bfw->filename = NULL; 4342} 4343 4344static int 4345bwn_fw_loaducode(struct bwn_mac *mac) 4346{ 4347#define GETFWOFFSET(fwp, offset) \ 4348 ((const uint32_t *)((const char *)fwp.fw->data + offset)) 4349#define GETFWSIZE(fwp, offset) \ 4350 ((fwp.fw->datasize - offset) / sizeof(uint32_t)) 4351 struct bwn_softc *sc = mac->mac_sc; 4352 const uint32_t *data; 4353 unsigned int i; 4354 uint32_t ctl; 4355 uint16_t date, fwcaps, time; 4356 int error = 0; 4357 4358 ctl = BWN_READ_4(mac, BWN_MACCTL); 4359 ctl |= BWN_MACCTL_MCODE_JMP0; 4360 KASSERT(!(ctl & BWN_MACCTL_MCODE_RUN), ("%s:%d: fail", __func__, 4361 __LINE__)); 4362 BWN_WRITE_4(mac, BWN_MACCTL, ctl); 4363 for (i = 0; i < 64; i++) 4364 bwn_shm_write_2(mac, BWN_SCRATCH, i, 0); 4365 for (i = 0; i < 4096; i += 2) 4366 bwn_shm_write_2(mac, BWN_SHARED, i, 0); 4367 4368 data = GETFWOFFSET(mac->mac_fw.ucode, sizeof(struct bwn_fwhdr)); 4369 bwn_shm_ctlword(mac, BWN_UCODE | BWN_SHARED_AUTOINC, 0x0000); 4370 for (i = 0; i < GETFWSIZE(mac->mac_fw.ucode, sizeof(struct bwn_fwhdr)); 4371 i++) { 4372 BWN_WRITE_4(mac, BWN_SHM_DATA, be32toh(data[i])); 4373 DELAY(10); 4374 } 4375 4376 if (mac->mac_fw.pcm.fw) { 4377 data = GETFWOFFSET(mac->mac_fw.pcm, sizeof(struct bwn_fwhdr)); 4378 bwn_shm_ctlword(mac, BWN_HW, 0x01ea); 4379 BWN_WRITE_4(mac, BWN_SHM_DATA, 0x00004000); 4380 bwn_shm_ctlword(mac, BWN_HW, 0x01eb); 4381 for (i = 0; i < GETFWSIZE(mac->mac_fw.pcm, 4382 sizeof(struct bwn_fwhdr)); i++) { 4383 BWN_WRITE_4(mac, BWN_SHM_DATA, be32toh(data[i])); 4384 DELAY(10); 4385 } 4386 } 4387 4388 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_ALL); 4389 BWN_WRITE_4(mac, BWN_MACCTL, 4390 (BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_MCODE_JMP0) | 4391 BWN_MACCTL_MCODE_RUN); 4392 4393 for (i = 0; i < 21; i++) { 4394 if (BWN_READ_4(mac, BWN_INTR_REASON) == BWN_INTR_MAC_SUSPENDED) 4395 break; 4396 if (i >= 20) { 4397 device_printf(sc->sc_dev, "ucode timeout\n"); 4398 error = ENXIO; 4399 goto error; 4400 } 4401 DELAY(50000); 4402 } 4403 BWN_READ_4(mac, BWN_INTR_REASON); 4404 4405 mac->mac_fw.rev = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_REV); 4406 if (mac->mac_fw.rev <= 0x128) { 4407 device_printf(sc->sc_dev, "the firmware is too old\n"); 4408 error = EOPNOTSUPP; 4409 goto error; 4410 } 4411 4412 /* 4413 * Determine firmware header version; needed for TX/RX packet 4414 * handling. 4415 */ 4416 if (mac->mac_fw.rev >= 598) 4417 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_598; 4418 else if (mac->mac_fw.rev >= 410) 4419 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_410; 4420 else 4421 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_351; 4422 4423 /* 4424 * We don't support rev 598 or later; that requires 4425 * another round of changes to the TX/RX descriptor 4426 * and status layout. 4427 * 4428 * So, complain this is the case and exit out, rather 4429 * than attaching and then failing. 4430 */ 4431#if 0 4432 if (mac->mac_fw.fw_hdr_format == BWN_FW_HDR_598) { 4433 device_printf(sc->sc_dev, 4434 "firmware is too new (>=598); not supported\n"); 4435 error = EOPNOTSUPP; 4436 goto error; 4437 } 4438#endif 4439 4440 mac->mac_fw.patch = bwn_shm_read_2(mac, BWN_SHARED, 4441 BWN_SHARED_UCODE_PATCH); 4442 date = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_DATE); 4443 mac->mac_fw.opensource = (date == 0xffff); 4444 if (bwn_wme != 0) 4445 mac->mac_flags |= BWN_MAC_FLAG_WME; 4446 mac->mac_flags |= BWN_MAC_FLAG_HWCRYPTO; 4447 4448 time = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_TIME); 4449 if (mac->mac_fw.opensource == 0) { 4450 device_printf(sc->sc_dev, 4451 "firmware version (rev %u patch %u date %#x time %#x)\n", 4452 mac->mac_fw.rev, mac->mac_fw.patch, date, time); 4453 if (mac->mac_fw.no_pcmfile) 4454 device_printf(sc->sc_dev, 4455 "no HW crypto acceleration due to pcm5\n"); 4456 } else { 4457 mac->mac_fw.patch = time; 4458 fwcaps = bwn_fwcaps_read(mac); 4459 if (!(fwcaps & BWN_FWCAPS_HWCRYPTO) || mac->mac_fw.no_pcmfile) { 4460 device_printf(sc->sc_dev, 4461 "disabling HW crypto acceleration\n"); 4462 mac->mac_flags &= ~BWN_MAC_FLAG_HWCRYPTO; 4463 } 4464 if (!(fwcaps & BWN_FWCAPS_WME)) { 4465 device_printf(sc->sc_dev, "disabling WME support\n"); 4466 mac->mac_flags &= ~BWN_MAC_FLAG_WME; 4467 } 4468 } 4469 4470 if (BWN_ISOLDFMT(mac)) 4471 device_printf(sc->sc_dev, "using old firmware image\n"); 4472 4473 return (0); 4474 4475error: 4476 BWN_WRITE_4(mac, BWN_MACCTL, 4477 (BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_MCODE_RUN) | 4478 BWN_MACCTL_MCODE_JMP0); 4479 4480 return (error); 4481#undef GETFWSIZE 4482#undef GETFWOFFSET 4483} 4484 4485/* OpenFirmware only */ 4486static uint16_t 4487bwn_fwcaps_read(struct bwn_mac *mac) 4488{ 4489 4490 KASSERT(mac->mac_fw.opensource == 1, 4491 ("%s:%d: fail", __func__, __LINE__)); 4492 return (bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_FWCAPS)); 4493} 4494 4495static int 4496bwn_fwinitvals_write(struct bwn_mac *mac, const struct bwn_fwinitvals *ivals, 4497 size_t count, size_t array_size) 4498{ 4499#define GET_NEXTIV16(iv) \ 4500 ((const struct bwn_fwinitvals *)((const uint8_t *)(iv) + \ 4501 sizeof(uint16_t) + sizeof(uint16_t))) 4502#define GET_NEXTIV32(iv) \ 4503 ((const struct bwn_fwinitvals *)((const uint8_t *)(iv) + \ 4504 sizeof(uint16_t) + sizeof(uint32_t))) 4505 struct bwn_softc *sc = mac->mac_sc; 4506 const struct bwn_fwinitvals *iv; 4507 uint16_t offset; 4508 size_t i; 4509 uint8_t bit32; 4510 4511 KASSERT(sizeof(struct bwn_fwinitvals) == 6, 4512 ("%s:%d: fail", __func__, __LINE__)); 4513 iv = ivals; 4514 for (i = 0; i < count; i++) { 4515 if (array_size < sizeof(iv->offset_size)) 4516 goto fail; 4517 array_size -= sizeof(iv->offset_size); 4518 offset = be16toh(iv->offset_size); 4519 bit32 = (offset & BWN_FWINITVALS_32BIT) ? 1 : 0; 4520 offset &= BWN_FWINITVALS_OFFSET_MASK; 4521 if (offset >= 0x1000) 4522 goto fail; 4523 if (bit32) { 4524 if (array_size < sizeof(iv->data.d32)) 4525 goto fail; 4526 array_size -= sizeof(iv->data.d32); 4527 BWN_WRITE_4(mac, offset, be32toh(iv->data.d32)); 4528 iv = GET_NEXTIV32(iv); 4529 } else { 4530 if (array_size < sizeof(iv->data.d16)) 4531 goto fail; 4532 array_size -= sizeof(iv->data.d16); 4533 BWN_WRITE_2(mac, offset, be16toh(iv->data.d16)); 4534 4535 iv = GET_NEXTIV16(iv); 4536 } 4537 } 4538 if (array_size != 0) 4539 goto fail; 4540 return (0); 4541fail: 4542 device_printf(sc->sc_dev, "initvals: invalid format\n"); 4543 return (EPROTO); 4544#undef GET_NEXTIV16 4545#undef GET_NEXTIV32 4546} 4547 4548int 4549bwn_switch_channel(struct bwn_mac *mac, int chan) 4550{ 4551 struct bwn_phy *phy = &(mac->mac_phy); 4552 struct bwn_softc *sc = mac->mac_sc; 4553 struct ieee80211com *ic = &sc->sc_ic; 4554 uint16_t channelcookie, savedcookie; 4555 int error; 4556 4557 if (chan == 0xffff) 4558 chan = phy->get_default_chan(mac); 4559 4560 channelcookie = chan; 4561 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 4562 channelcookie |= 0x100; 4563 savedcookie = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_CHAN); 4564 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_CHAN, channelcookie); 4565 error = phy->switch_channel(mac, chan); 4566 if (error) 4567 goto fail; 4568 4569 mac->mac_phy.chan = chan; 4570 DELAY(8000); 4571 return (0); 4572fail: 4573 device_printf(sc->sc_dev, "failed to switch channel\n"); 4574 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_CHAN, savedcookie); 4575 return (error); 4576} 4577 4578static uint16_t 4579bwn_ant2phy(int antenna) 4580{ 4581 4582 switch (antenna) { 4583 case BWN_ANT0: 4584 return (BWN_TX_PHY_ANT0); 4585 case BWN_ANT1: 4586 return (BWN_TX_PHY_ANT1); 4587 case BWN_ANT2: 4588 return (BWN_TX_PHY_ANT2); 4589 case BWN_ANT3: 4590 return (BWN_TX_PHY_ANT3); 4591 case BWN_ANTAUTO: 4592 return (BWN_TX_PHY_ANT01AUTO); 4593 } 4594 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 4595 return (0); 4596} 4597 4598static void 4599bwn_wme_load(struct bwn_mac *mac) 4600{ 4601 struct bwn_softc *sc = mac->mac_sc; 4602 int i; 4603 4604 KASSERT(N(bwn_wme_shm_offsets) == N(sc->sc_wmeParams), 4605 ("%s:%d: fail", __func__, __LINE__)); 4606 4607 bwn_mac_suspend(mac); 4608 for (i = 0; i < N(sc->sc_wmeParams); i++) 4609 bwn_wme_loadparams(mac, &(sc->sc_wmeParams[i]), 4610 bwn_wme_shm_offsets[i]); 4611 bwn_mac_enable(mac); 4612} 4613 4614static void 4615bwn_wme_loadparams(struct bwn_mac *mac, 4616 const struct wmeParams *p, uint16_t shm_offset) 4617{ 4618 struct bwn_softc *sc = mac->mac_sc; 4619 uint16_t params[BWN_NR_WMEPARAMS]; 4620 int slot, tmp; 4621 unsigned int i; 4622 4623 slot = BWN_READ_2(mac, BWN_RNG) & 4624 _IEEE80211_SHIFTMASK(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4625 4626 memset(¶ms, 0, sizeof(params)); 4627 4628 DPRINTF(sc, BWN_DEBUG_WME, "wmep_txopLimit %d wmep_logcwmin %d " 4629 "wmep_logcwmax %d wmep_aifsn %d\n", p->wmep_txopLimit, 4630 p->wmep_logcwmin, p->wmep_logcwmax, p->wmep_aifsn); 4631 4632 params[BWN_WMEPARAM_TXOP] = p->wmep_txopLimit * 32; 4633 params[BWN_WMEPARAM_CWMIN] = 4634 _IEEE80211_SHIFTMASK(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4635 params[BWN_WMEPARAM_CWMAX] = 4636 _IEEE80211_SHIFTMASK(p->wmep_logcwmax, WME_PARAM_LOGCWMAX); 4637 params[BWN_WMEPARAM_CWCUR] = 4638 _IEEE80211_SHIFTMASK(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4639 params[BWN_WMEPARAM_AIFS] = p->wmep_aifsn; 4640 params[BWN_WMEPARAM_BSLOTS] = slot; 4641 params[BWN_WMEPARAM_REGGAP] = slot + p->wmep_aifsn; 4642 4643 for (i = 0; i < N(params); i++) { 4644 if (i == BWN_WMEPARAM_STATUS) { 4645 tmp = bwn_shm_read_2(mac, BWN_SHARED, 4646 shm_offset + (i * 2)); 4647 tmp |= 0x100; 4648 bwn_shm_write_2(mac, BWN_SHARED, shm_offset + (i * 2), 4649 tmp); 4650 } else { 4651 bwn_shm_write_2(mac, BWN_SHARED, shm_offset + (i * 2), 4652 params[i]); 4653 } 4654 } 4655} 4656 4657static void 4658bwn_mac_write_bssid(struct bwn_mac *mac) 4659{ 4660 struct bwn_softc *sc = mac->mac_sc; 4661 uint32_t tmp; 4662 int i; 4663 uint8_t mac_bssid[IEEE80211_ADDR_LEN * 2]; 4664 4665 bwn_mac_setfilter(mac, BWN_MACFILTER_BSSID, sc->sc_bssid); 4666 memcpy(mac_bssid, sc->sc_ic.ic_macaddr, IEEE80211_ADDR_LEN); 4667 memcpy(mac_bssid + IEEE80211_ADDR_LEN, sc->sc_bssid, 4668 IEEE80211_ADDR_LEN); 4669 4670 for (i = 0; i < N(mac_bssid); i += sizeof(uint32_t)) { 4671 tmp = (uint32_t) (mac_bssid[i + 0]); 4672 tmp |= (uint32_t) (mac_bssid[i + 1]) << 8; 4673 tmp |= (uint32_t) (mac_bssid[i + 2]) << 16; 4674 tmp |= (uint32_t) (mac_bssid[i + 3]) << 24; 4675 bwn_ram_write(mac, 0x20 + i, tmp); 4676 } 4677} 4678 4679static void 4680bwn_mac_setfilter(struct bwn_mac *mac, uint16_t offset, 4681 const uint8_t *macaddr) 4682{ 4683 static const uint8_t zero[IEEE80211_ADDR_LEN] = { 0 }; 4684 uint16_t data; 4685 4686 if (!mac) 4687 macaddr = zero; 4688 4689 offset |= 0x0020; 4690 BWN_WRITE_2(mac, BWN_MACFILTER_CONTROL, offset); 4691 4692 data = macaddr[0]; 4693 data |= macaddr[1] << 8; 4694 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4695 data = macaddr[2]; 4696 data |= macaddr[3] << 8; 4697 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4698 data = macaddr[4]; 4699 data |= macaddr[5] << 8; 4700 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4701} 4702 4703static void 4704bwn_key_dowrite(struct bwn_mac *mac, uint8_t index, uint8_t algorithm, 4705 const uint8_t *key, size_t key_len, const uint8_t *mac_addr) 4706{ 4707 uint8_t buf[BWN_SEC_KEYSIZE] = { 0, }; 4708 uint8_t per_sta_keys_start = 8; 4709 4710 if (BWN_SEC_NEWAPI(mac)) 4711 per_sta_keys_start = 4; 4712 4713 KASSERT(index < mac->mac_max_nr_keys, 4714 ("%s:%d: fail", __func__, __LINE__)); 4715 KASSERT(key_len <= BWN_SEC_KEYSIZE, 4716 ("%s:%d: fail", __func__, __LINE__)); 4717 4718 if (index >= per_sta_keys_start) 4719 bwn_key_macwrite(mac, index, NULL); 4720 if (key) 4721 memcpy(buf, key, key_len); 4722 bwn_key_write(mac, index, algorithm, buf); 4723 if (index >= per_sta_keys_start) 4724 bwn_key_macwrite(mac, index, mac_addr); 4725 4726 mac->mac_key[index].algorithm = algorithm; 4727} 4728 4729static void 4730bwn_key_macwrite(struct bwn_mac *mac, uint8_t index, const uint8_t *addr) 4731{ 4732 struct bwn_softc *sc = mac->mac_sc; 4733 uint32_t addrtmp[2] = { 0, 0 }; 4734 uint8_t start = 8; 4735 4736 if (BWN_SEC_NEWAPI(mac)) 4737 start = 4; 4738 4739 KASSERT(index >= start, 4740 ("%s:%d: fail", __func__, __LINE__)); 4741 index -= start; 4742 4743 if (addr) { 4744 addrtmp[0] = addr[0]; 4745 addrtmp[0] |= ((uint32_t) (addr[1]) << 8); 4746 addrtmp[0] |= ((uint32_t) (addr[2]) << 16); 4747 addrtmp[0] |= ((uint32_t) (addr[3]) << 24); 4748 addrtmp[1] = addr[4]; 4749 addrtmp[1] |= ((uint32_t) (addr[5]) << 8); 4750 } 4751 4752 if (bhnd_get_hwrev(sc->sc_dev) >= 5) { 4753 bwn_shm_write_4(mac, BWN_RCMTA, (index * 2) + 0, addrtmp[0]); 4754 bwn_shm_write_2(mac, BWN_RCMTA, (index * 2) + 1, addrtmp[1]); 4755 } else { 4756 if (index >= 8) { 4757 bwn_shm_write_4(mac, BWN_SHARED, 4758 BWN_SHARED_PSM + (index * 6) + 0, addrtmp[0]); 4759 bwn_shm_write_2(mac, BWN_SHARED, 4760 BWN_SHARED_PSM + (index * 6) + 4, addrtmp[1]); 4761 } 4762 } 4763} 4764 4765static void 4766bwn_key_write(struct bwn_mac *mac, uint8_t index, uint8_t algorithm, 4767 const uint8_t *key) 4768{ 4769 unsigned int i; 4770 uint32_t offset; 4771 uint16_t kidx, value; 4772 4773 kidx = BWN_SEC_KEY2FW(mac, index); 4774 bwn_shm_write_2(mac, BWN_SHARED, 4775 BWN_SHARED_KEYIDX_BLOCK + (kidx * 2), (kidx << 4) | algorithm); 4776 4777 offset = mac->mac_ktp + (index * BWN_SEC_KEYSIZE); 4778 for (i = 0; i < BWN_SEC_KEYSIZE; i += 2) { 4779 value = key[i]; 4780 value |= (uint16_t)(key[i + 1]) << 8; 4781 bwn_shm_write_2(mac, BWN_SHARED, offset + i, value); 4782 } 4783} 4784 4785static void 4786bwn_phy_exit(struct bwn_mac *mac) 4787{ 4788 4789 mac->mac_phy.rf_onoff(mac, 0); 4790 if (mac->mac_phy.exit != NULL) 4791 mac->mac_phy.exit(mac); 4792} 4793 4794static void 4795bwn_dma_free(struct bwn_mac *mac) 4796{ 4797 struct bwn_dma *dma; 4798 4799 if ((mac->mac_flags & BWN_MAC_FLAG_DMA) == 0) 4800 return; 4801 dma = &mac->mac_method.dma; 4802 4803 bwn_dma_ringfree(&dma->rx); 4804 bwn_dma_ringfree(&dma->wme[WME_AC_BK]); 4805 bwn_dma_ringfree(&dma->wme[WME_AC_BE]); 4806 bwn_dma_ringfree(&dma->wme[WME_AC_VI]); 4807 bwn_dma_ringfree(&dma->wme[WME_AC_VO]); 4808 bwn_dma_ringfree(&dma->mcast); 4809} 4810 4811static void 4812bwn_core_stop(struct bwn_mac *mac) 4813{ 4814 struct bwn_softc *sc = mac->mac_sc; 4815 4816 BWN_ASSERT_LOCKED(sc); 4817 4818 if (mac->mac_status < BWN_MAC_STATUS_STARTED) 4819 return; 4820 4821 callout_stop(&sc->sc_rfswitch_ch); 4822 callout_stop(&sc->sc_task_ch); 4823 callout_stop(&sc->sc_watchdog_ch); 4824 sc->sc_watchdog_timer = 0; 4825 BWN_WRITE_4(mac, BWN_INTR_MASK, 0); 4826 BWN_READ_4(mac, BWN_INTR_MASK); 4827 bwn_mac_suspend(mac); 4828 4829 mac->mac_status = BWN_MAC_STATUS_INITED; 4830} 4831 4832static int 4833bwn_switch_band(struct bwn_softc *sc, struct ieee80211_channel *chan) 4834{ 4835 struct bwn_mac *up_dev = NULL; 4836 struct bwn_mac *down_dev; 4837 struct bwn_mac *mac; 4838 int err, status; 4839 uint8_t gmode; 4840 4841 BWN_ASSERT_LOCKED(sc); 4842 4843 TAILQ_FOREACH(mac, &sc->sc_maclist, mac_list) { 4844 if (IEEE80211_IS_CHAN_2GHZ(chan) && 4845 mac->mac_phy.supports_2ghz) { 4846 up_dev = mac; 4847 gmode = 1; 4848 } else if (IEEE80211_IS_CHAN_5GHZ(chan) && 4849 mac->mac_phy.supports_5ghz) { 4850 up_dev = mac; 4851 gmode = 0; 4852 } else { 4853 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 4854 return (EINVAL); 4855 } 4856 if (up_dev != NULL) 4857 break; 4858 } 4859 if (up_dev == NULL) { 4860 device_printf(sc->sc_dev, "Could not find a device\n"); 4861 return (ENODEV); 4862 } 4863 if (up_dev == sc->sc_curmac && sc->sc_curmac->mac_phy.gmode == gmode) 4864 return (0); 4865 4866 DPRINTF(sc, BWN_DEBUG_RF | BWN_DEBUG_PHY | BWN_DEBUG_RESET, 4867 "switching to %s-GHz band\n", 4868 IEEE80211_IS_CHAN_2GHZ(chan) ? "2" : "5"); 4869 4870 down_dev = sc->sc_curmac; 4871 status = down_dev->mac_status; 4872 if (status >= BWN_MAC_STATUS_STARTED) 4873 bwn_core_stop(down_dev); 4874 if (status >= BWN_MAC_STATUS_INITED) 4875 bwn_core_exit(down_dev); 4876 4877 if (down_dev != up_dev) { 4878 err = bwn_phy_reset(down_dev); 4879 if (err) 4880 goto fail; 4881 } 4882 4883 up_dev->mac_phy.gmode = gmode; 4884 if (status >= BWN_MAC_STATUS_INITED) { 4885 err = bwn_core_init(up_dev); 4886 if (err) { 4887 device_printf(sc->sc_dev, 4888 "fatal: failed to initialize for %s-GHz\n", 4889 IEEE80211_IS_CHAN_2GHZ(chan) ? "2" : "5"); 4890 goto fail; 4891 } 4892 } 4893 if (status >= BWN_MAC_STATUS_STARTED) 4894 bwn_core_start(up_dev); 4895 KASSERT(up_dev->mac_status == status, ("%s: fail", __func__)); 4896 sc->sc_curmac = up_dev; 4897 4898 return (0); 4899fail: 4900 sc->sc_curmac = NULL; 4901 return (err); 4902} 4903 4904static void 4905bwn_rf_turnon(struct bwn_mac *mac) 4906{ 4907 4908 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 4909 4910 bwn_mac_suspend(mac); 4911 mac->mac_phy.rf_onoff(mac, 1); 4912 mac->mac_phy.rf_on = 1; 4913 bwn_mac_enable(mac); 4914} 4915 4916static void 4917bwn_rf_turnoff(struct bwn_mac *mac) 4918{ 4919 4920 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 4921 4922 bwn_mac_suspend(mac); 4923 mac->mac_phy.rf_onoff(mac, 0); 4924 mac->mac_phy.rf_on = 0; 4925 bwn_mac_enable(mac); 4926} 4927 4928/* 4929 * PHY reset. 4930 */ 4931static int 4932bwn_phy_reset(struct bwn_mac *mac) 4933{ 4934 struct bwn_softc *sc; 4935 uint16_t iost, mask; 4936 int error; 4937 4938 sc = mac->mac_sc; 4939 4940 iost = BWN_IOCTL_PHYRESET | BHND_IOCTL_CLK_FORCE; 4941 mask = iost | BWN_IOCTL_SUPPORT_G; 4942 4943 if ((error = bhnd_write_ioctl(sc->sc_dev, iost, mask))) 4944 return (error); 4945 4946 DELAY(1000); 4947 4948 iost &= ~BHND_IOCTL_CLK_FORCE; 4949 4950 if ((error = bhnd_write_ioctl(sc->sc_dev, iost, mask))) 4951 return (error); 4952 4953 DELAY(1000); 4954 4955 return (0); 4956} 4957 4958static int 4959bwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 4960{ 4961 struct bwn_vap *bvp = BWN_VAP(vap); 4962 struct ieee80211com *ic= vap->iv_ic; 4963 enum ieee80211_state ostate = vap->iv_state; 4964 struct bwn_softc *sc = ic->ic_softc; 4965 struct bwn_mac *mac = sc->sc_curmac; 4966 int error; 4967 4968 DPRINTF(sc, BWN_DEBUG_STATE, "%s: %s -> %s\n", __func__, 4969 ieee80211_state_name[vap->iv_state], 4970 ieee80211_state_name[nstate]); 4971 4972 error = bvp->bv_newstate(vap, nstate, arg); 4973 if (error != 0) 4974 return (error); 4975 4976 BWN_LOCK(sc); 4977 4978 bwn_led_newstate(mac, nstate); 4979 4980 /* 4981 * Clear the BSSID when we stop a STA 4982 */ 4983 if (vap->iv_opmode == IEEE80211_M_STA) { 4984 if (ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_RUN) { 4985 /* 4986 * Clear out the BSSID. If we reassociate to 4987 * the same AP, this will reinialize things 4988 * correctly... 4989 */ 4990 if (ic->ic_opmode == IEEE80211_M_STA && 4991 (sc->sc_flags & BWN_FLAG_INVALID) == 0) { 4992 memset(sc->sc_bssid, 0, IEEE80211_ADDR_LEN); 4993 bwn_set_macaddr(mac); 4994 } 4995 } 4996 } 4997 4998 if (vap->iv_opmode == IEEE80211_M_MONITOR || 4999 vap->iv_opmode == IEEE80211_M_AHDEMO) { 5000 /* XXX nothing to do? */ 5001 } else if (nstate == IEEE80211_S_RUN) { 5002 memcpy(sc->sc_bssid, vap->iv_bss->ni_bssid, IEEE80211_ADDR_LEN); 5003 bwn_set_opmode(mac); 5004 bwn_set_pretbtt(mac); 5005 bwn_spu_setdelay(mac, 0); 5006 bwn_set_macaddr(mac); 5007 } 5008 5009 BWN_UNLOCK(sc); 5010 5011 return (error); 5012} 5013 5014static void 5015bwn_set_pretbtt(struct bwn_mac *mac) 5016{ 5017 struct bwn_softc *sc = mac->mac_sc; 5018 struct ieee80211com *ic = &sc->sc_ic; 5019 uint16_t pretbtt; 5020 5021 if (ic->ic_opmode == IEEE80211_M_IBSS) 5022 pretbtt = 2; 5023 else 5024 pretbtt = (mac->mac_phy.type == BWN_PHYTYPE_A) ? 120 : 250; 5025 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PRETBTT, pretbtt); 5026 BWN_WRITE_2(mac, BWN_TSF_CFP_PRETBTT, pretbtt); 5027} 5028 5029static int 5030bwn_intr(void *arg) 5031{ 5032 struct bwn_mac *mac = arg; 5033 struct bwn_softc *sc = mac->mac_sc; 5034 uint32_t reason; 5035 5036 if (mac->mac_status < BWN_MAC_STATUS_STARTED || 5037 (sc->sc_flags & BWN_FLAG_INVALID)) 5038 return (FILTER_STRAY); 5039 5040 DPRINTF(sc, BWN_DEBUG_INTR, "%s: called\n", __func__); 5041 5042 reason = BWN_READ_4(mac, BWN_INTR_REASON); 5043 if (reason == 0xffffffff) /* shared IRQ */ 5044 return (FILTER_STRAY); 5045 reason &= mac->mac_intr_mask; 5046 if (reason == 0) 5047 return (FILTER_HANDLED); 5048 DPRINTF(sc, BWN_DEBUG_INTR, "%s: reason=0x%08x\n", __func__, reason); 5049 5050 mac->mac_reason[0] = BWN_READ_4(mac, BWN_DMA0_REASON) & 0x0001dc00; 5051 mac->mac_reason[1] = BWN_READ_4(mac, BWN_DMA1_REASON) & 0x0000dc00; 5052 mac->mac_reason[2] = BWN_READ_4(mac, BWN_DMA2_REASON) & 0x0000dc00; 5053 mac->mac_reason[3] = BWN_READ_4(mac, BWN_DMA3_REASON) & 0x0001dc00; 5054 mac->mac_reason[4] = BWN_READ_4(mac, BWN_DMA4_REASON) & 0x0000dc00; 5055 BWN_WRITE_4(mac, BWN_INTR_REASON, reason); 5056 BWN_WRITE_4(mac, BWN_DMA0_REASON, mac->mac_reason[0]); 5057 BWN_WRITE_4(mac, BWN_DMA1_REASON, mac->mac_reason[1]); 5058 BWN_WRITE_4(mac, BWN_DMA2_REASON, mac->mac_reason[2]); 5059 BWN_WRITE_4(mac, BWN_DMA3_REASON, mac->mac_reason[3]); 5060 BWN_WRITE_4(mac, BWN_DMA4_REASON, mac->mac_reason[4]); 5061 5062 /* Disable interrupts. */ 5063 BWN_WRITE_4(mac, BWN_INTR_MASK, 0); 5064 5065 mac->mac_reason_intr = reason; 5066 5067 BWN_BARRIER(mac, 0, 0, BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE); 5068 5069 taskqueue_enqueue(sc->sc_tq, &mac->mac_intrtask); 5070 return (FILTER_HANDLED); 5071} 5072 5073static void 5074bwn_intrtask(void *arg, int npending) 5075{ 5076 struct bwn_mac *mac = arg; 5077 struct bwn_softc *sc = mac->mac_sc; 5078 uint32_t merged = 0; 5079 int i, tx = 0, rx = 0; 5080 5081 BWN_LOCK(sc); 5082 if (mac->mac_status < BWN_MAC_STATUS_STARTED || 5083 (sc->sc_flags & BWN_FLAG_INVALID)) { 5084 BWN_UNLOCK(sc); 5085 return; 5086 } 5087 5088 for (i = 0; i < N(mac->mac_reason); i++) 5089 merged |= mac->mac_reason[i]; 5090 5091 if (mac->mac_reason_intr & BWN_INTR_MAC_TXERR) 5092 device_printf(sc->sc_dev, "MAC trans error\n"); 5093 5094 if (mac->mac_reason_intr & BWN_INTR_PHY_TXERR) { 5095 DPRINTF(sc, BWN_DEBUG_INTR, "%s: PHY trans error\n", __func__); 5096 mac->mac_phy.txerrors--; 5097 if (mac->mac_phy.txerrors == 0) { 5098 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 5099 bwn_restart(mac, "PHY TX errors"); 5100 } 5101 } 5102 5103 if (merged & (BWN_DMAINTR_FATALMASK | BWN_DMAINTR_NONFATALMASK)) { 5104 if (merged & BWN_DMAINTR_FATALMASK) { 5105 device_printf(sc->sc_dev, 5106 "Fatal DMA error: %#x %#x %#x %#x %#x %#x\n", 5107 mac->mac_reason[0], mac->mac_reason[1], 5108 mac->mac_reason[2], mac->mac_reason[3], 5109 mac->mac_reason[4], mac->mac_reason[5]); 5110 bwn_restart(mac, "DMA error"); 5111 BWN_UNLOCK(sc); 5112 return; 5113 } 5114 if (merged & BWN_DMAINTR_NONFATALMASK) { 5115 device_printf(sc->sc_dev, 5116 "DMA error: %#x %#x %#x %#x %#x %#x\n", 5117 mac->mac_reason[0], mac->mac_reason[1], 5118 mac->mac_reason[2], mac->mac_reason[3], 5119 mac->mac_reason[4], mac->mac_reason[5]); 5120 } 5121 } 5122 5123 if (mac->mac_reason_intr & BWN_INTR_UCODE_DEBUG) 5124 bwn_intr_ucode_debug(mac); 5125 if (mac->mac_reason_intr & BWN_INTR_TBTT_INDI) 5126 bwn_intr_tbtt_indication(mac); 5127 if (mac->mac_reason_intr & BWN_INTR_ATIM_END) 5128 bwn_intr_atim_end(mac); 5129 if (mac->mac_reason_intr & BWN_INTR_BEACON) 5130 bwn_intr_beacon(mac); 5131 if (mac->mac_reason_intr & BWN_INTR_PMQ) 5132 bwn_intr_pmq(mac); 5133 if (mac->mac_reason_intr & BWN_INTR_NOISESAMPLE_OK) 5134 bwn_intr_noise(mac); 5135 5136 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 5137 if (mac->mac_reason[0] & BWN_DMAINTR_RX_DONE) { 5138 bwn_dma_rx(mac->mac_method.dma.rx); 5139 rx = 1; 5140 } 5141 } else 5142 rx = bwn_pio_rx(&mac->mac_method.pio.rx); 5143 5144 KASSERT(!(mac->mac_reason[1] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5145 KASSERT(!(mac->mac_reason[2] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5146 KASSERT(!(mac->mac_reason[3] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5147 KASSERT(!(mac->mac_reason[4] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5148 KASSERT(!(mac->mac_reason[5] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 5149 5150 if (mac->mac_reason_intr & BWN_INTR_TX_OK) { 5151 bwn_intr_txeof(mac); 5152 tx = 1; 5153 } 5154 5155 BWN_WRITE_4(mac, BWN_INTR_MASK, mac->mac_intr_mask); 5156 5157 if (sc->sc_blink_led != NULL && sc->sc_led_blink) { 5158 int evt = BWN_LED_EVENT_NONE; 5159 5160 if (tx && rx) { 5161 if (sc->sc_rx_rate > sc->sc_tx_rate) 5162 evt = BWN_LED_EVENT_RX; 5163 else 5164 evt = BWN_LED_EVENT_TX; 5165 } else if (tx) { 5166 evt = BWN_LED_EVENT_TX; 5167 } else if (rx) { 5168 evt = BWN_LED_EVENT_RX; 5169 } else if (rx == 0) { 5170 evt = BWN_LED_EVENT_POLL; 5171 } 5172 5173 if (evt != BWN_LED_EVENT_NONE) 5174 bwn_led_event(mac, evt); 5175 } 5176 5177 if (mbufq_first(&sc->sc_snd) != NULL) 5178 bwn_start(sc); 5179 5180 BWN_BARRIER(mac, 0, 0, BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE); 5181 5182 BWN_UNLOCK(sc); 5183} 5184 5185static void 5186bwn_restart(struct bwn_mac *mac, const char *msg) 5187{ 5188 struct bwn_softc *sc = mac->mac_sc; 5189 struct ieee80211com *ic = &sc->sc_ic; 5190 5191 if (mac->mac_status < BWN_MAC_STATUS_INITED) 5192 return; 5193 5194 device_printf(sc->sc_dev, "HW reset: %s\n", msg); 5195 ieee80211_runtask(ic, &mac->mac_hwreset); 5196} 5197 5198static void 5199bwn_intr_ucode_debug(struct bwn_mac *mac) 5200{ 5201 struct bwn_softc *sc = mac->mac_sc; 5202 uint16_t reason; 5203 5204 if (mac->mac_fw.opensource == 0) 5205 return; 5206 5207 reason = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_DEBUGINTR_REASON_REG); 5208 switch (reason) { 5209 case BWN_DEBUGINTR_PANIC: 5210 bwn_handle_fwpanic(mac); 5211 break; 5212 case BWN_DEBUGINTR_DUMP_SHM: 5213 device_printf(sc->sc_dev, "BWN_DEBUGINTR_DUMP_SHM\n"); 5214 break; 5215 case BWN_DEBUGINTR_DUMP_REGS: 5216 device_printf(sc->sc_dev, "BWN_DEBUGINTR_DUMP_REGS\n"); 5217 break; 5218 case BWN_DEBUGINTR_MARKER: 5219 device_printf(sc->sc_dev, "BWN_DEBUGINTR_MARKER\n"); 5220 break; 5221 default: 5222 device_printf(sc->sc_dev, 5223 "ucode debug unknown reason: %#x\n", reason); 5224 } 5225 5226 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_DEBUGINTR_REASON_REG, 5227 BWN_DEBUGINTR_ACK); 5228} 5229 5230static void 5231bwn_intr_tbtt_indication(struct bwn_mac *mac) 5232{ 5233 struct bwn_softc *sc = mac->mac_sc; 5234 struct ieee80211com *ic = &sc->sc_ic; 5235 5236 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 5237 bwn_psctl(mac, 0); 5238 if (ic->ic_opmode == IEEE80211_M_IBSS) 5239 mac->mac_flags |= BWN_MAC_FLAG_DFQVALID; 5240} 5241 5242static void 5243bwn_intr_atim_end(struct bwn_mac *mac) 5244{ 5245 5246 if (mac->mac_flags & BWN_MAC_FLAG_DFQVALID) { 5247 BWN_WRITE_4(mac, BWN_MACCMD, 5248 BWN_READ_4(mac, BWN_MACCMD) | BWN_MACCMD_DFQ_VALID); 5249 mac->mac_flags &= ~BWN_MAC_FLAG_DFQVALID; 5250 } 5251} 5252 5253static void 5254bwn_intr_beacon(struct bwn_mac *mac) 5255{ 5256 struct bwn_softc *sc = mac->mac_sc; 5257 struct ieee80211com *ic = &sc->sc_ic; 5258 uint32_t cmd, beacon0, beacon1; 5259 5260 if (ic->ic_opmode == IEEE80211_M_HOSTAP || 5261 ic->ic_opmode == IEEE80211_M_MBSS) 5262 return; 5263 5264 mac->mac_intr_mask &= ~BWN_INTR_BEACON; 5265 5266 cmd = BWN_READ_4(mac, BWN_MACCMD); 5267 beacon0 = (cmd & BWN_MACCMD_BEACON0_VALID); 5268 beacon1 = (cmd & BWN_MACCMD_BEACON1_VALID); 5269 5270 if (beacon0 && beacon1) { 5271 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_BEACON); 5272 mac->mac_intr_mask |= BWN_INTR_BEACON; 5273 return; 5274 } 5275 5276 if (sc->sc_flags & BWN_FLAG_NEED_BEACON_TP) { 5277 sc->sc_flags &= ~BWN_FLAG_NEED_BEACON_TP; 5278 bwn_load_beacon0(mac); 5279 bwn_load_beacon1(mac); 5280 cmd = BWN_READ_4(mac, BWN_MACCMD); 5281 cmd |= BWN_MACCMD_BEACON0_VALID; 5282 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5283 } else { 5284 if (!beacon0) { 5285 bwn_load_beacon0(mac); 5286 cmd = BWN_READ_4(mac, BWN_MACCMD); 5287 cmd |= BWN_MACCMD_BEACON0_VALID; 5288 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5289 } else if (!beacon1) { 5290 bwn_load_beacon1(mac); 5291 cmd = BWN_READ_4(mac, BWN_MACCMD); 5292 cmd |= BWN_MACCMD_BEACON1_VALID; 5293 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5294 } 5295 } 5296} 5297 5298static void 5299bwn_intr_pmq(struct bwn_mac *mac) 5300{ 5301 uint32_t tmp; 5302 5303 while (1) { 5304 tmp = BWN_READ_4(mac, BWN_PS_STATUS); 5305 if (!(tmp & 0x00000008)) 5306 break; 5307 } 5308 BWN_WRITE_2(mac, BWN_PS_STATUS, 0x0002); 5309} 5310 5311static void 5312bwn_intr_noise(struct bwn_mac *mac) 5313{ 5314 struct bwn_phy_g *pg = &mac->mac_phy.phy_g; 5315 uint16_t tmp; 5316 uint8_t noise[4]; 5317 uint8_t i, j; 5318 int32_t average; 5319 5320 if (mac->mac_phy.type != BWN_PHYTYPE_G) 5321 return; 5322 5323 KASSERT(mac->mac_noise.noi_running, ("%s: fail", __func__)); 5324 *((uint32_t *)noise) = htole32(bwn_jssi_read(mac)); 5325 if (noise[0] == 0x7f || noise[1] == 0x7f || noise[2] == 0x7f || 5326 noise[3] == 0x7f) 5327 goto new; 5328 5329 KASSERT(mac->mac_noise.noi_nsamples < 8, 5330 ("%s:%d: fail", __func__, __LINE__)); 5331 i = mac->mac_noise.noi_nsamples; 5332 noise[0] = MIN(MAX(noise[0], 0), N(pg->pg_nrssi_lt) - 1); 5333 noise[1] = MIN(MAX(noise[1], 0), N(pg->pg_nrssi_lt) - 1); 5334 noise[2] = MIN(MAX(noise[2], 0), N(pg->pg_nrssi_lt) - 1); 5335 noise[3] = MIN(MAX(noise[3], 0), N(pg->pg_nrssi_lt) - 1); 5336 mac->mac_noise.noi_samples[i][0] = pg->pg_nrssi_lt[noise[0]]; 5337 mac->mac_noise.noi_samples[i][1] = pg->pg_nrssi_lt[noise[1]]; 5338 mac->mac_noise.noi_samples[i][2] = pg->pg_nrssi_lt[noise[2]]; 5339 mac->mac_noise.noi_samples[i][3] = pg->pg_nrssi_lt[noise[3]]; 5340 mac->mac_noise.noi_nsamples++; 5341 if (mac->mac_noise.noi_nsamples == 8) { 5342 average = 0; 5343 for (i = 0; i < 8; i++) { 5344 for (j = 0; j < 4; j++) 5345 average += mac->mac_noise.noi_samples[i][j]; 5346 } 5347 average = (((average / 32) * 125) + 64) / 128; 5348 tmp = (bwn_shm_read_2(mac, BWN_SHARED, 0x40c) / 128) & 0x1f; 5349 if (tmp >= 8) 5350 average += 2; 5351 else 5352 average -= 25; 5353 average -= (tmp == 8) ? 72 : 48; 5354 5355 mac->mac_stats.link_noise = average; 5356 mac->mac_noise.noi_running = 0; 5357 return; 5358 } 5359new: 5360 bwn_noise_gensample(mac); 5361} 5362 5363static int 5364bwn_pio_rx(struct bwn_pio_rxqueue *prq) 5365{ 5366 struct bwn_mac *mac = prq->prq_mac; 5367 struct bwn_softc *sc = mac->mac_sc; 5368 unsigned int i; 5369 5370 BWN_ASSERT_LOCKED(sc); 5371 5372 if (mac->mac_status < BWN_MAC_STATUS_STARTED) 5373 return (0); 5374 5375 for (i = 0; i < 5000; i++) { 5376 if (bwn_pio_rxeof(prq) == 0) 5377 break; 5378 } 5379 if (i >= 5000) 5380 device_printf(sc->sc_dev, "too many RX frames in PIO mode\n"); 5381 return ((i > 0) ? 1 : 0); 5382} 5383 5384static void 5385bwn_dma_rx(struct bwn_dma_ring *dr) 5386{ 5387 int slot, curslot; 5388 5389 KASSERT(!dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 5390 curslot = dr->get_curslot(dr); 5391 KASSERT(curslot >= 0 && curslot < dr->dr_numslots, 5392 ("%s:%d: fail", __func__, __LINE__)); 5393 5394 slot = dr->dr_curslot; 5395 for (; slot != curslot; slot = bwn_dma_nextslot(dr, slot)) 5396 bwn_dma_rxeof(dr, &slot); 5397 5398 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 5399 BUS_DMASYNC_PREWRITE); 5400 5401 dr->set_curslot(dr, slot); 5402 dr->dr_curslot = slot; 5403} 5404 5405static void 5406bwn_intr_txeof(struct bwn_mac *mac) 5407{ 5408 struct bwn_txstatus stat; 5409 uint32_t stat0, stat1; 5410 uint16_t tmp; 5411 5412 BWN_ASSERT_LOCKED(mac->mac_sc); 5413 5414 while (1) { 5415 stat0 = BWN_READ_4(mac, BWN_XMITSTAT_0); 5416 if (!(stat0 & 0x00000001)) 5417 break; 5418 stat1 = BWN_READ_4(mac, BWN_XMITSTAT_1); 5419 5420 DPRINTF(mac->mac_sc, BWN_DEBUG_XMIT, 5421 "%s: stat0=0x%08x, stat1=0x%08x\n", 5422 __func__, 5423 stat0, 5424 stat1); 5425 5426 stat.cookie = (stat0 >> 16); 5427 stat.seq = (stat1 & 0x0000ffff); 5428 stat.phy_stat = ((stat1 & 0x00ff0000) >> 16); 5429 tmp = (stat0 & 0x0000ffff); 5430 stat.framecnt = ((tmp & 0xf000) >> 12); 5431 stat.rtscnt = ((tmp & 0x0f00) >> 8); 5432 stat.sreason = ((tmp & 0x001c) >> 2); 5433 stat.pm = (tmp & 0x0080) ? 1 : 0; 5434 stat.im = (tmp & 0x0040) ? 1 : 0; 5435 stat.ampdu = (tmp & 0x0020) ? 1 : 0; 5436 stat.ack = (tmp & 0x0002) ? 1 : 0; 5437 5438 DPRINTF(mac->mac_sc, BWN_DEBUG_XMIT, 5439 "%s: cookie=%d, seq=%d, phystat=0x%02x, framecnt=%d, " 5440 "rtscnt=%d, sreason=%d, pm=%d, im=%d, ampdu=%d, ack=%d\n", 5441 __func__, 5442 stat.cookie, 5443 stat.seq, 5444 stat.phy_stat, 5445 stat.framecnt, 5446 stat.rtscnt, 5447 stat.sreason, 5448 stat.pm, 5449 stat.im, 5450 stat.ampdu, 5451 stat.ack); 5452 5453 bwn_handle_txeof(mac, &stat); 5454 } 5455} 5456 5457static void 5458bwn_hwreset(void *arg, int npending) 5459{ 5460 struct bwn_mac *mac = arg; 5461 struct bwn_softc *sc = mac->mac_sc; 5462 int error = 0; 5463 int prev_status; 5464 5465 BWN_LOCK(sc); 5466 5467 prev_status = mac->mac_status; 5468 if (prev_status >= BWN_MAC_STATUS_STARTED) 5469 bwn_core_stop(mac); 5470 if (prev_status >= BWN_MAC_STATUS_INITED) 5471 bwn_core_exit(mac); 5472 5473 if (prev_status >= BWN_MAC_STATUS_INITED) { 5474 error = bwn_core_init(mac); 5475 if (error) 5476 goto out; 5477 } 5478 if (prev_status >= BWN_MAC_STATUS_STARTED) 5479 bwn_core_start(mac); 5480out: 5481 if (error) { 5482 device_printf(sc->sc_dev, "%s: failed (%d)\n", __func__, error); 5483 sc->sc_curmac = NULL; 5484 } 5485 BWN_UNLOCK(sc); 5486} 5487 5488static void 5489bwn_handle_fwpanic(struct bwn_mac *mac) 5490{ 5491 struct bwn_softc *sc = mac->mac_sc; 5492 uint16_t reason; 5493 5494 reason = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_FWPANIC_REASON_REG); 5495 device_printf(sc->sc_dev,"fw panic (%u)\n", reason); 5496 5497 if (reason == BWN_FWPANIC_RESTART) 5498 bwn_restart(mac, "ucode panic"); 5499} 5500 5501static void 5502bwn_load_beacon0(struct bwn_mac *mac) 5503{ 5504 5505 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 5506} 5507 5508static void 5509bwn_load_beacon1(struct bwn_mac *mac) 5510{ 5511 5512 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 5513} 5514 5515static uint32_t 5516bwn_jssi_read(struct bwn_mac *mac) 5517{ 5518 uint32_t val = 0; 5519 5520 val = bwn_shm_read_2(mac, BWN_SHARED, 0x08a); 5521 val <<= 16; 5522 val |= bwn_shm_read_2(mac, BWN_SHARED, 0x088); 5523 5524 return (val); 5525} 5526 5527static void 5528bwn_noise_gensample(struct bwn_mac *mac) 5529{ 5530 uint32_t jssi = 0x7f7f7f7f; 5531 5532 bwn_shm_write_2(mac, BWN_SHARED, 0x088, (jssi & 0x0000ffff)); 5533 bwn_shm_write_2(mac, BWN_SHARED, 0x08a, (jssi & 0xffff0000) >> 16); 5534 BWN_WRITE_4(mac, BWN_MACCMD, 5535 BWN_READ_4(mac, BWN_MACCMD) | BWN_MACCMD_BGNOISE); 5536} 5537 5538static int 5539bwn_dma_freeslot(struct bwn_dma_ring *dr) 5540{ 5541 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 5542 5543 return (dr->dr_numslots - dr->dr_usedslot); 5544} 5545 5546static int 5547bwn_dma_nextslot(struct bwn_dma_ring *dr, int slot) 5548{ 5549 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 5550 5551 KASSERT(slot >= -1 && slot <= dr->dr_numslots - 1, 5552 ("%s:%d: fail", __func__, __LINE__)); 5553 if (slot == dr->dr_numslots - 1) 5554 return (0); 5555 return (slot + 1); 5556} 5557 5558static void 5559bwn_dma_rxeof(struct bwn_dma_ring *dr, int *slot) 5560{ 5561 struct bwn_mac *mac = dr->dr_mac; 5562 struct bwn_softc *sc = mac->mac_sc; 5563 struct bwn_dma *dma = &mac->mac_method.dma; 5564 struct bwn_dmadesc_generic *desc; 5565 struct bwn_dmadesc_meta *meta; 5566 struct bwn_rxhdr4 *rxhdr; 5567 struct mbuf *m; 5568 uint32_t macstat; 5569 int32_t tmp; 5570 int cnt = 0; 5571 uint16_t len; 5572 5573 dr->getdesc(dr, *slot, &desc, &meta); 5574 5575 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, BUS_DMASYNC_POSTREAD); 5576 m = meta->mt_m; 5577 5578 if (bwn_dma_newbuf(dr, desc, meta, 0)) { 5579 counter_u64_add(sc->sc_ic.ic_ierrors, 1); 5580 return; 5581 } 5582 5583 rxhdr = mtod(m, struct bwn_rxhdr4 *); 5584 len = le16toh(rxhdr->frame_len); 5585 if (len <= 0) { 5586 counter_u64_add(sc->sc_ic.ic_ierrors, 1); 5587 return; 5588 } 5589 if (bwn_dma_check_redzone(dr, m)) { 5590 device_printf(sc->sc_dev, "redzone error.\n"); 5591 bwn_dma_set_redzone(dr, m); 5592 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5593 BUS_DMASYNC_PREWRITE); 5594 return; 5595 } 5596 if (len > dr->dr_rx_bufsize) { 5597 tmp = len; 5598 while (1) { 5599 dr->getdesc(dr, *slot, &desc, &meta); 5600 bwn_dma_set_redzone(dr, meta->mt_m); 5601 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5602 BUS_DMASYNC_PREWRITE); 5603 *slot = bwn_dma_nextslot(dr, *slot); 5604 cnt++; 5605 tmp -= dr->dr_rx_bufsize; 5606 if (tmp <= 0) 5607 break; 5608 } 5609 device_printf(sc->sc_dev, "too small buffer " 5610 "(len %u buffer %u dropped %d)\n", 5611 len, dr->dr_rx_bufsize, cnt); 5612 return; 5613 } 5614 5615 switch (mac->mac_fw.fw_hdr_format) { 5616 case BWN_FW_HDR_351: 5617 case BWN_FW_HDR_410: 5618 macstat = le32toh(rxhdr->ps4.r351.mac_status); 5619 break; 5620 case BWN_FW_HDR_598: 5621 macstat = le32toh(rxhdr->ps4.r598.mac_status); 5622 break; 5623 } 5624 5625 if (macstat & BWN_RX_MAC_FCSERR) { 5626 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) { 5627 device_printf(sc->sc_dev, "RX drop\n"); 5628 return; 5629 } 5630 } 5631 5632 m->m_len = m->m_pkthdr.len = len + dr->dr_frameoffset; 5633 m_adj(m, dr->dr_frameoffset); 5634 5635 bwn_rxeof(dr->dr_mac, m, rxhdr); 5636} 5637 5638static void 5639bwn_handle_txeof(struct bwn_mac *mac, const struct bwn_txstatus *status) 5640{ 5641 struct bwn_softc *sc = mac->mac_sc; 5642 struct bwn_stats *stats = &mac->mac_stats; 5643 5644 BWN_ASSERT_LOCKED(mac->mac_sc); 5645 5646 if (status->im) 5647 device_printf(sc->sc_dev, "TODO: STATUS IM\n"); 5648 if (status->ampdu) 5649 device_printf(sc->sc_dev, "TODO: STATUS AMPDU\n"); 5650 if (status->rtscnt) { 5651 if (status->rtscnt == 0xf) 5652 stats->rtsfail++; 5653 else 5654 stats->rts++; 5655 } 5656 5657 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 5658 bwn_dma_handle_txeof(mac, status); 5659 } else { 5660 bwn_pio_handle_txeof(mac, status); 5661 } 5662 5663 bwn_phy_txpower_check(mac, 0); 5664} 5665 5666static uint8_t 5667bwn_pio_rxeof(struct bwn_pio_rxqueue *prq) 5668{ 5669 struct bwn_mac *mac = prq->prq_mac; 5670 struct bwn_softc *sc = mac->mac_sc; 5671 struct bwn_rxhdr4 rxhdr; 5672 struct mbuf *m; 5673 uint32_t ctl32, macstat, v32; 5674 unsigned int i, padding; 5675 uint16_t ctl16, len, totlen, v16; 5676 unsigned char *mp; 5677 char *data; 5678 5679 memset(&rxhdr, 0, sizeof(rxhdr)); 5680 5681 if (prq->prq_rev >= 8) { 5682 ctl32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXCTL); 5683 if (!(ctl32 & BWN_PIO8_RXCTL_FRAMEREADY)) 5684 return (0); 5685 bwn_pio_rx_write_4(prq, BWN_PIO8_RXCTL, 5686 BWN_PIO8_RXCTL_FRAMEREADY); 5687 for (i = 0; i < 10; i++) { 5688 ctl32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXCTL); 5689 if (ctl32 & BWN_PIO8_RXCTL_DATAREADY) 5690 goto ready; 5691 DELAY(10); 5692 } 5693 } else { 5694 ctl16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXCTL); 5695 if (!(ctl16 & BWN_PIO_RXCTL_FRAMEREADY)) 5696 return (0); 5697 bwn_pio_rx_write_2(prq, BWN_PIO_RXCTL, 5698 BWN_PIO_RXCTL_FRAMEREADY); 5699 for (i = 0; i < 10; i++) { 5700 ctl16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXCTL); 5701 if (ctl16 & BWN_PIO_RXCTL_DATAREADY) 5702 goto ready; 5703 DELAY(10); 5704 } 5705 } 5706 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 5707 return (1); 5708ready: 5709 if (prq->prq_rev >= 8) { 5710 bus_read_multi_4(sc->sc_mem_res, 5711 prq->prq_base + BWN_PIO8_RXDATA, (void *)&rxhdr, 5712 sizeof(rxhdr)); 5713 } else { 5714 bus_read_multi_2(sc->sc_mem_res, 5715 prq->prq_base + BWN_PIO_RXDATA, (void *)&rxhdr, 5716 sizeof(rxhdr)); 5717 } 5718 len = le16toh(rxhdr.frame_len); 5719 if (len > 0x700) { 5720 device_printf(sc->sc_dev, "%s: len is too big\n", __func__); 5721 goto error; 5722 } 5723 if (len == 0) { 5724 device_printf(sc->sc_dev, "%s: len is 0\n", __func__); 5725 goto error; 5726 } 5727 5728 switch (mac->mac_fw.fw_hdr_format) { 5729 case BWN_FW_HDR_351: 5730 case BWN_FW_HDR_410: 5731 macstat = le32toh(rxhdr.ps4.r351.mac_status); 5732 break; 5733 case BWN_FW_HDR_598: 5734 macstat = le32toh(rxhdr.ps4.r598.mac_status); 5735 break; 5736 } 5737 5738 if (macstat & BWN_RX_MAC_FCSERR) { 5739 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) { 5740 device_printf(sc->sc_dev, "%s: FCS error", __func__); 5741 goto error; 5742 } 5743 } 5744 5745 padding = (macstat & BWN_RX_MAC_PADDING) ? 2 : 0; 5746 totlen = len + padding; 5747 KASSERT(totlen <= MCLBYTES, ("too big..\n")); 5748 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 5749 if (m == NULL) { 5750 device_printf(sc->sc_dev, "%s: out of memory", __func__); 5751 goto error; 5752 } 5753 mp = mtod(m, unsigned char *); 5754 if (prq->prq_rev >= 8) { 5755 bus_read_multi_4(sc->sc_mem_res, 5756 prq->prq_base + BWN_PIO8_RXDATA, (void *)mp, (totlen & ~3)); 5757 if (totlen & 3) { 5758 v32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXDATA); 5759 data = &(mp[totlen - 1]); 5760 switch (totlen & 3) { 5761 case 3: 5762 *data = (v32 >> 16); 5763 data--; 5764 case 2: 5765 *data = (v32 >> 8); 5766 data--; 5767 case 1: 5768 *data = v32; 5769 } 5770 } 5771 } else { 5772 bus_read_multi_2(sc->sc_mem_res, 5773 prq->prq_base + BWN_PIO_RXDATA, (void *)mp, (totlen & ~1)); 5774 if (totlen & 1) { 5775 v16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXDATA); 5776 mp[totlen - 1] = v16; 5777 } 5778 } 5779 5780 m->m_len = m->m_pkthdr.len = totlen; 5781 5782 bwn_rxeof(prq->prq_mac, m, &rxhdr); 5783 5784 return (1); 5785error: 5786 if (prq->prq_rev >= 8) 5787 bwn_pio_rx_write_4(prq, BWN_PIO8_RXCTL, 5788 BWN_PIO8_RXCTL_DATAREADY); 5789 else 5790 bwn_pio_rx_write_2(prq, BWN_PIO_RXCTL, BWN_PIO_RXCTL_DATAREADY); 5791 return (1); 5792} 5793 5794static int 5795bwn_dma_newbuf(struct bwn_dma_ring *dr, struct bwn_dmadesc_generic *desc, 5796 struct bwn_dmadesc_meta *meta, int init) 5797{ 5798 struct bwn_mac *mac = dr->dr_mac; 5799 struct bwn_dma *dma = &mac->mac_method.dma; 5800 struct bwn_rxhdr4 *hdr; 5801 bus_dmamap_t map; 5802 bus_addr_t paddr; 5803 struct mbuf *m; 5804 int error; 5805 5806 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 5807 if (m == NULL) { 5808 error = ENOBUFS; 5809 5810 /* 5811 * If the NIC is up and running, we need to: 5812 * - Clear RX buffer's header. 5813 * - Restore RX descriptor settings. 5814 */ 5815 if (init) 5816 return (error); 5817 else 5818 goto back; 5819 } 5820 m->m_len = m->m_pkthdr.len = MCLBYTES; 5821 5822 bwn_dma_set_redzone(dr, m); 5823 5824 /* 5825 * Try to load RX buf into temporary DMA map 5826 */ 5827 error = bus_dmamap_load_mbuf(dma->rxbuf_dtag, dr->dr_spare_dmap, m, 5828 bwn_dma_buf_addr, &paddr, BUS_DMA_NOWAIT); 5829 if (error) { 5830 m_freem(m); 5831 5832 /* 5833 * See the comment above 5834 */ 5835 if (init) 5836 return (error); 5837 else 5838 goto back; 5839 } 5840 5841 if (!init) 5842 bus_dmamap_unload(dma->rxbuf_dtag, meta->mt_dmap); 5843 meta->mt_m = m; 5844 meta->mt_paddr = paddr; 5845 5846 /* 5847 * Swap RX buf's DMA map with the loaded temporary one 5848 */ 5849 map = meta->mt_dmap; 5850 meta->mt_dmap = dr->dr_spare_dmap; 5851 dr->dr_spare_dmap = map; 5852 5853back: 5854 /* 5855 * Clear RX buf header 5856 */ 5857 hdr = mtod(meta->mt_m, struct bwn_rxhdr4 *); 5858 bzero(hdr, sizeof(*hdr)); 5859 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5860 BUS_DMASYNC_PREWRITE); 5861 5862 /* 5863 * Setup RX buf descriptor 5864 */ 5865 dr->setdesc(dr, desc, meta->mt_paddr, meta->mt_m->m_len - 5866 sizeof(*hdr), 0, 0, 0); 5867 return (error); 5868} 5869 5870static void 5871bwn_dma_buf_addr(void *arg, bus_dma_segment_t *seg, int nseg, 5872 bus_size_t mapsz __unused, int error) 5873{ 5874 5875 if (!error) { 5876 KASSERT(nseg == 1, ("too many segments(%d)\n", nseg)); 5877 *((bus_addr_t *)arg) = seg->ds_addr; 5878 } 5879} 5880 5881static int 5882bwn_hwrate2ieeerate(int rate) 5883{ 5884 5885 switch (rate) { 5886 case BWN_CCK_RATE_1MB: 5887 return (2); 5888 case BWN_CCK_RATE_2MB: 5889 return (4); 5890 case BWN_CCK_RATE_5MB: 5891 return (11); 5892 case BWN_CCK_RATE_11MB: 5893 return (22); 5894 case BWN_OFDM_RATE_6MB: 5895 return (12); 5896 case BWN_OFDM_RATE_9MB: 5897 return (18); 5898 case BWN_OFDM_RATE_12MB: 5899 return (24); 5900 case BWN_OFDM_RATE_18MB: 5901 return (36); 5902 case BWN_OFDM_RATE_24MB: 5903 return (48); 5904 case BWN_OFDM_RATE_36MB: 5905 return (72); 5906 case BWN_OFDM_RATE_48MB: 5907 return (96); 5908 case BWN_OFDM_RATE_54MB: 5909 return (108); 5910 default: 5911 printf("Ooops\n"); 5912 return (0); 5913 } 5914} 5915 5916/* 5917 * Post process the RX provided RSSI. 5918 * 5919 * Valid for A, B, G, LP PHYs. 5920 */ 5921static int8_t 5922bwn_rx_rssi_calc(struct bwn_mac *mac, uint8_t in_rssi, 5923 int ofdm, int adjust_2053, int adjust_2050) 5924{ 5925 struct bwn_phy *phy = &mac->mac_phy; 5926 struct bwn_phy_g *gphy = &phy->phy_g; 5927 int tmp; 5928 5929 switch (phy->rf_ver) { 5930 case 0x2050: 5931 if (ofdm) { 5932 tmp = in_rssi; 5933 if (tmp > 127) 5934 tmp -= 256; 5935 tmp = tmp * 73 / 64; 5936 if (adjust_2050) 5937 tmp += 25; 5938 else 5939 tmp -= 3; 5940 } else { 5941 if (mac->mac_sc->sc_board_info.board_flags 5942 & BHND_BFL_ADCDIV) { 5943 if (in_rssi > 63) 5944 in_rssi = 63; 5945 tmp = gphy->pg_nrssi_lt[in_rssi]; 5946 tmp = (31 - tmp) * -131 / 128 - 57; 5947 } else { 5948 tmp = in_rssi; 5949 tmp = (31 - tmp) * -149 / 128 - 68; 5950 } 5951 if (phy->type == BWN_PHYTYPE_G && adjust_2050) 5952 tmp += 25; 5953 } 5954 break; 5955 case 0x2060: 5956 if (in_rssi > 127) 5957 tmp = in_rssi - 256; 5958 else 5959 tmp = in_rssi; 5960 break; 5961 default: 5962 tmp = in_rssi; 5963 tmp = (tmp - 11) * 103 / 64; 5964 if (adjust_2053) 5965 tmp -= 109; 5966 else 5967 tmp -= 83; 5968 } 5969 5970 return (tmp); 5971} 5972 5973static void 5974bwn_rxeof(struct bwn_mac *mac, struct mbuf *m, const void *_rxhdr) 5975{ 5976 const struct bwn_rxhdr4 *rxhdr = _rxhdr; 5977 struct bwn_plcp6 *plcp; 5978 struct bwn_softc *sc = mac->mac_sc; 5979 struct ieee80211_frame_min *wh; 5980 struct ieee80211_node *ni; 5981 struct ieee80211com *ic = &sc->sc_ic; 5982 uint32_t macstat; 5983 int padding, rate, rssi = 0, noise = 0; 5984 uint16_t phytype, phystat0, phystat3, chanstat; 5985 unsigned char *mp = mtod(m, unsigned char *); 5986 5987 BWN_ASSERT_LOCKED(sc); 5988 5989 phystat0 = le16toh(rxhdr->phy_status0); 5990 5991 /* 5992 * XXX Note: phy_status3 doesn't exist for HT-PHY; it's only 5993 * used for LP-PHY. 5994 */ 5995 phystat3 = le16toh(rxhdr->ps3.lp.phy_status3); 5996 5997 switch (mac->mac_fw.fw_hdr_format) { 5998 case BWN_FW_HDR_351: 5999 case BWN_FW_HDR_410: 6000 macstat = le32toh(rxhdr->ps4.r351.mac_status); 6001 chanstat = le16toh(rxhdr->ps4.r351.channel); 6002 break; 6003 case BWN_FW_HDR_598: 6004 macstat = le32toh(rxhdr->ps4.r598.mac_status); 6005 chanstat = le16toh(rxhdr->ps4.r598.channel); 6006 break; 6007 } 6008 6009 phytype = chanstat & BWN_RX_CHAN_PHYTYPE; 6010 6011 if (macstat & BWN_RX_MAC_FCSERR) 6012 device_printf(sc->sc_dev, "TODO RX: RX_FLAG_FAILED_FCS_CRC\n"); 6013 if (phystat0 & (BWN_RX_PHYST0_PLCPHCF | BWN_RX_PHYST0_PLCPFV)) 6014 device_printf(sc->sc_dev, "TODO RX: RX_FLAG_FAILED_PLCP_CRC\n"); 6015 if (macstat & BWN_RX_MAC_DECERR) 6016 goto drop; 6017 6018 padding = (macstat & BWN_RX_MAC_PADDING) ? 2 : 0; 6019 if (m->m_pkthdr.len < (sizeof(struct bwn_plcp6) + padding)) { 6020 device_printf(sc->sc_dev, "frame too short (length=%d)\n", 6021 m->m_pkthdr.len); 6022 goto drop; 6023 } 6024 plcp = (struct bwn_plcp6 *)(mp + padding); 6025 m_adj(m, sizeof(struct bwn_plcp6) + padding); 6026 if (m->m_pkthdr.len < IEEE80211_MIN_LEN) { 6027 device_printf(sc->sc_dev, "frame too short (length=%d)\n", 6028 m->m_pkthdr.len); 6029 goto drop; 6030 } 6031 wh = mtod(m, struct ieee80211_frame_min *); 6032 6033 if (macstat & BWN_RX_MAC_DEC) { 6034 DPRINTF(sc, BWN_DEBUG_HWCRYPTO, 6035 "RX decryption attempted (old %d keyidx %#x)\n", 6036 BWN_ISOLDFMT(mac), 6037 (macstat & BWN_RX_MAC_KEYIDX) >> BWN_RX_MAC_KEYIDX_SHIFT); 6038 } 6039 6040 if (phystat0 & BWN_RX_PHYST0_OFDM) 6041 rate = bwn_plcp_get_ofdmrate(mac, plcp, 6042 phytype == BWN_PHYTYPE_A); 6043 else 6044 rate = bwn_plcp_get_cckrate(mac, plcp); 6045 if (rate == -1) { 6046 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADPLCP)) 6047 goto drop; 6048 } 6049 sc->sc_rx_rate = bwn_hwrate2ieeerate(rate); 6050 6051 /* rssi/noise */ 6052 switch (phytype) { 6053 case BWN_PHYTYPE_A: 6054 case BWN_PHYTYPE_B: 6055 case BWN_PHYTYPE_G: 6056 case BWN_PHYTYPE_LP: 6057 rssi = bwn_rx_rssi_calc(mac, rxhdr->phy.abg.rssi, 6058 !! (phystat0 & BWN_RX_PHYST0_OFDM), 6059 !! (phystat0 & BWN_RX_PHYST0_GAINCTL), 6060 !! (phystat3 & BWN_RX_PHYST3_TRSTATE)); 6061 break; 6062 case BWN_PHYTYPE_N: 6063 /* Broadcom has code for min/avg, but always used max */ 6064 if (rxhdr->phy.n.power0 == 16 || rxhdr->phy.n.power0 == 32) 6065 rssi = max(rxhdr->phy.n.power1, rxhdr->ps2.n.power2); 6066 else 6067 rssi = max(rxhdr->phy.n.power0, rxhdr->phy.n.power1); 6068#if 0 6069 DPRINTF(mac->mac_sc, BWN_DEBUG_RECV, 6070 "%s: power0=%d, power1=%d, power2=%d\n", 6071 __func__, 6072 rxhdr->phy.n.power0, 6073 rxhdr->phy.n.power1, 6074 rxhdr->ps2.n.power2); 6075#endif 6076 break; 6077 default: 6078 /* XXX TODO: implement rssi for other PHYs */ 6079 break; 6080 } 6081 6082 /* 6083 * RSSI here is absolute, not relative to the noise floor. 6084 */ 6085 noise = mac->mac_stats.link_noise; 6086 rssi = rssi - noise; 6087 6088 /* RX radio tap */ 6089 if (ieee80211_radiotap_active(ic)) 6090 bwn_rx_radiotap(mac, m, rxhdr, plcp, rate, rssi, noise); 6091 m_adj(m, -IEEE80211_CRC_LEN); 6092 6093 BWN_UNLOCK(sc); 6094 6095 ni = ieee80211_find_rxnode(ic, wh); 6096 if (ni != NULL) { 6097 ieee80211_input(ni, m, rssi, noise); 6098 ieee80211_free_node(ni); 6099 } else 6100 ieee80211_input_all(ic, m, rssi, noise); 6101 6102 BWN_LOCK(sc); 6103 return; 6104drop: 6105 device_printf(sc->sc_dev, "%s: dropped\n", __func__); 6106} 6107 6108static void 6109bwn_ratectl_tx_complete(const struct ieee80211_node *ni, 6110 const struct bwn_txstatus *status) 6111{ 6112 struct ieee80211_ratectl_tx_status txs; 6113 int retrycnt = 0; 6114 6115 /* 6116 * If we don't get an ACK, then we should log the 6117 * full framecnt. That may be 0 if it's a PHY 6118 * failure, so ensure that gets logged as some 6119 * retry attempt. 6120 */ 6121 txs.flags = IEEE80211_RATECTL_STATUS_LONG_RETRY; 6122 if (status->ack) { 6123 txs.status = IEEE80211_RATECTL_TX_SUCCESS; 6124 retrycnt = status->framecnt - 1; 6125 } else { 6126 txs.status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED; 6127 retrycnt = status->framecnt; 6128 if (retrycnt == 0) 6129 retrycnt = 1; 6130 } 6131 txs.long_retries = retrycnt; 6132 ieee80211_ratectl_tx_complete(ni, &txs); 6133} 6134 6135static void 6136bwn_dma_handle_txeof(struct bwn_mac *mac, 6137 const struct bwn_txstatus *status) 6138{ 6139 struct bwn_dma *dma = &mac->mac_method.dma; 6140 struct bwn_dma_ring *dr; 6141 struct bwn_dmadesc_generic *desc; 6142 struct bwn_dmadesc_meta *meta; 6143 struct bwn_softc *sc = mac->mac_sc; 6144 int slot; 6145 6146 BWN_ASSERT_LOCKED(sc); 6147 6148 dr = bwn_dma_parse_cookie(mac, status, status->cookie, &slot); 6149 if (dr == NULL) { 6150 device_printf(sc->sc_dev, "failed to parse cookie\n"); 6151 return; 6152 } 6153 KASSERT(dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 6154 6155 while (1) { 6156 KASSERT(slot >= 0 && slot < dr->dr_numslots, 6157 ("%s:%d: fail", __func__, __LINE__)); 6158 dr->getdesc(dr, slot, &desc, &meta); 6159 6160 if (meta->mt_txtype == BWN_DMADESC_METATYPE_HEADER) 6161 bus_dmamap_unload(dr->dr_txring_dtag, meta->mt_dmap); 6162 else if (meta->mt_txtype == BWN_DMADESC_METATYPE_BODY) 6163 bus_dmamap_unload(dma->txbuf_dtag, meta->mt_dmap); 6164 6165 if (meta->mt_islast) { 6166 KASSERT(meta->mt_m != NULL, 6167 ("%s:%d: fail", __func__, __LINE__)); 6168 6169 bwn_ratectl_tx_complete(meta->mt_ni, status); 6170 ieee80211_tx_complete(meta->mt_ni, meta->mt_m, 0); 6171 meta->mt_ni = NULL; 6172 meta->mt_m = NULL; 6173 } else 6174 KASSERT(meta->mt_m == NULL, 6175 ("%s:%d: fail", __func__, __LINE__)); 6176 6177 dr->dr_usedslot--; 6178 if (meta->mt_islast) 6179 break; 6180 slot = bwn_dma_nextslot(dr, slot); 6181 } 6182 sc->sc_watchdog_timer = 0; 6183 if (dr->dr_stop) { 6184 KASSERT(bwn_dma_freeslot(dr) >= BWN_TX_SLOTS_PER_FRAME, 6185 ("%s:%d: fail", __func__, __LINE__)); 6186 dr->dr_stop = 0; 6187 } 6188} 6189 6190static void 6191bwn_pio_handle_txeof(struct bwn_mac *mac, 6192 const struct bwn_txstatus *status) 6193{ 6194 struct bwn_pio_txqueue *tq; 6195 struct bwn_pio_txpkt *tp = NULL; 6196 struct bwn_softc *sc = mac->mac_sc; 6197 6198 BWN_ASSERT_LOCKED(sc); 6199 6200 tq = bwn_pio_parse_cookie(mac, status->cookie, &tp); 6201 if (tq == NULL) 6202 return; 6203 6204 tq->tq_used -= roundup(tp->tp_m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 6205 tq->tq_free++; 6206 6207 if (tp->tp_ni != NULL) { 6208 /* 6209 * Do any tx complete callback. Note this must 6210 * be done before releasing the node reference. 6211 */ 6212 bwn_ratectl_tx_complete(tp->tp_ni, status); 6213 } 6214 ieee80211_tx_complete(tp->tp_ni, tp->tp_m, 0); 6215 tp->tp_ni = NULL; 6216 tp->tp_m = NULL; 6217 TAILQ_INSERT_TAIL(&tq->tq_pktlist, tp, tp_list); 6218 6219 sc->sc_watchdog_timer = 0; 6220} 6221 6222static void 6223bwn_phy_txpower_check(struct bwn_mac *mac, uint32_t flags) 6224{ 6225 struct bwn_softc *sc = mac->mac_sc; 6226 struct bwn_phy *phy = &mac->mac_phy; 6227 struct ieee80211com *ic = &sc->sc_ic; 6228 unsigned long now; 6229 bwn_txpwr_result_t result; 6230 6231 BWN_GETTIME(now); 6232 6233 if (!(flags & BWN_TXPWR_IGNORE_TIME) && ieee80211_time_before(now, phy->nexttime)) 6234 return; 6235 phy->nexttime = now + 2 * 1000; 6236 6237 if (sc->sc_board_info.board_vendor == PCI_VENDOR_BROADCOM && 6238 sc->sc_board_info.board_type == BHND_BOARD_BU4306) 6239 return; 6240 6241 if (phy->recalc_txpwr != NULL) { 6242 result = phy->recalc_txpwr(mac, 6243 (flags & BWN_TXPWR_IGNORE_TSSI) ? 1 : 0); 6244 if (result == BWN_TXPWR_RES_DONE) 6245 return; 6246 KASSERT(result == BWN_TXPWR_RES_NEED_ADJUST, 6247 ("%s: fail", __func__)); 6248 KASSERT(phy->set_txpwr != NULL, ("%s: fail", __func__)); 6249 6250 ieee80211_runtask(ic, &mac->mac_txpower); 6251 } 6252} 6253 6254static uint16_t 6255bwn_pio_rx_read_2(struct bwn_pio_rxqueue *prq, uint16_t offset) 6256{ 6257 6258 return (BWN_READ_2(prq->prq_mac, prq->prq_base + offset)); 6259} 6260 6261static uint32_t 6262bwn_pio_rx_read_4(struct bwn_pio_rxqueue *prq, uint16_t offset) 6263{ 6264 6265 return (BWN_READ_4(prq->prq_mac, prq->prq_base + offset)); 6266} 6267 6268static void 6269bwn_pio_rx_write_2(struct bwn_pio_rxqueue *prq, uint16_t offset, uint16_t value) 6270{ 6271 6272 BWN_WRITE_2(prq->prq_mac, prq->prq_base + offset, value); 6273} 6274 6275static void 6276bwn_pio_rx_write_4(struct bwn_pio_rxqueue *prq, uint16_t offset, uint32_t value) 6277{ 6278 6279 BWN_WRITE_4(prq->prq_mac, prq->prq_base + offset, value); 6280} 6281 6282static int 6283bwn_ieeerate2hwrate(struct bwn_softc *sc, int rate) 6284{ 6285 6286 switch (rate) { 6287 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 6288 case 12: 6289 return (BWN_OFDM_RATE_6MB); 6290 case 18: 6291 return (BWN_OFDM_RATE_9MB); 6292 case 24: 6293 return (BWN_OFDM_RATE_12MB); 6294 case 36: 6295 return (BWN_OFDM_RATE_18MB); 6296 case 48: 6297 return (BWN_OFDM_RATE_24MB); 6298 case 72: 6299 return (BWN_OFDM_RATE_36MB); 6300 case 96: 6301 return (BWN_OFDM_RATE_48MB); 6302 case 108: 6303 return (BWN_OFDM_RATE_54MB); 6304 /* CCK rates (NB: not IEEE std, device-specific) */ 6305 case 2: 6306 return (BWN_CCK_RATE_1MB); 6307 case 4: 6308 return (BWN_CCK_RATE_2MB); 6309 case 11: 6310 return (BWN_CCK_RATE_5MB); 6311 case 22: 6312 return (BWN_CCK_RATE_11MB); 6313 } 6314 6315 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 6316 return (BWN_CCK_RATE_1MB); 6317} 6318 6319static uint16_t 6320bwn_set_txhdr_phyctl1(struct bwn_mac *mac, uint8_t bitrate) 6321{ 6322 struct bwn_phy *phy = &mac->mac_phy; 6323 uint16_t control = 0; 6324 uint16_t bw; 6325 6326 /* XXX TODO: this is for LP phy, what about N-PHY, etc? */ 6327 bw = BWN_TXH_PHY1_BW_20; 6328 6329 if (BWN_ISCCKRATE(bitrate) && phy->type != BWN_PHYTYPE_LP) { 6330 control = bw; 6331 } else { 6332 control = bw; 6333 /* Figure out coding rate and modulation */ 6334 /* XXX TODO: table-ize, for MCS transmit */ 6335 /* Note: this is BWN_*_RATE values */ 6336 switch (bitrate) { 6337 case BWN_CCK_RATE_1MB: 6338 control |= 0; 6339 break; 6340 case BWN_CCK_RATE_2MB: 6341 control |= 1; 6342 break; 6343 case BWN_CCK_RATE_5MB: 6344 control |= 2; 6345 break; 6346 case BWN_CCK_RATE_11MB: 6347 control |= 3; 6348 break; 6349 case BWN_OFDM_RATE_6MB: 6350 control |= BWN_TXH_PHY1_CRATE_1_2; 6351 control |= BWN_TXH_PHY1_MODUL_BPSK; 6352 break; 6353 case BWN_OFDM_RATE_9MB: 6354 control |= BWN_TXH_PHY1_CRATE_3_4; 6355 control |= BWN_TXH_PHY1_MODUL_BPSK; 6356 break; 6357 case BWN_OFDM_RATE_12MB: 6358 control |= BWN_TXH_PHY1_CRATE_1_2; 6359 control |= BWN_TXH_PHY1_MODUL_QPSK; 6360 break; 6361 case BWN_OFDM_RATE_18MB: 6362 control |= BWN_TXH_PHY1_CRATE_3_4; 6363 control |= BWN_TXH_PHY1_MODUL_QPSK; 6364 break; 6365 case BWN_OFDM_RATE_24MB: 6366 control |= BWN_TXH_PHY1_CRATE_1_2; 6367 control |= BWN_TXH_PHY1_MODUL_QAM16; 6368 break; 6369 case BWN_OFDM_RATE_36MB: 6370 control |= BWN_TXH_PHY1_CRATE_3_4; 6371 control |= BWN_TXH_PHY1_MODUL_QAM16; 6372 break; 6373 case BWN_OFDM_RATE_48MB: 6374 control |= BWN_TXH_PHY1_CRATE_1_2; 6375 control |= BWN_TXH_PHY1_MODUL_QAM64; 6376 break; 6377 case BWN_OFDM_RATE_54MB: 6378 control |= BWN_TXH_PHY1_CRATE_3_4; 6379 control |= BWN_TXH_PHY1_MODUL_QAM64; 6380 break; 6381 default: 6382 break; 6383 } 6384 control |= BWN_TXH_PHY1_MODE_SISO; 6385 } 6386 6387 return control; 6388} 6389 6390static int 6391bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni, 6392 struct mbuf *m, struct bwn_txhdr *txhdr, uint16_t cookie) 6393{ 6394 const struct bwn_phy *phy = &mac->mac_phy; 6395 struct bwn_softc *sc = mac->mac_sc; 6396 struct ieee80211_frame *wh; 6397 struct ieee80211_frame *protwh; 6398 const struct ieee80211_txparam *tp = ni->ni_txparms; 6399 struct ieee80211vap *vap = ni->ni_vap; 6400 struct ieee80211com *ic = &sc->sc_ic; 6401 struct mbuf *mprot; 6402 uint8_t *prot_ptr; 6403 unsigned int len; 6404 uint32_t macctl = 0; 6405 int rts_rate, rts_rate_fb, ismcast, isshort, rix, type; 6406 uint16_t phyctl = 0; 6407 uint8_t rate, rate_fb; 6408 int fill_phy_ctl1 = 0; 6409 6410 wh = mtod(m, struct ieee80211_frame *); 6411 memset(txhdr, 0, sizeof(*txhdr)); 6412 6413 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 6414 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 6415 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 6416 6417 if ((phy->type == BWN_PHYTYPE_N) || (phy->type == BWN_PHYTYPE_LP) 6418 || (phy->type == BWN_PHYTYPE_HT)) 6419 fill_phy_ctl1 = 1; 6420 6421 /* 6422 * Find TX rate 6423 */ 6424 if (type != IEEE80211_FC0_TYPE_DATA || (m->m_flags & M_EAPOL)) 6425 rate = rate_fb = tp->mgmtrate; 6426 else if (ismcast) 6427 rate = rate_fb = tp->mcastrate; 6428 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 6429 rate = rate_fb = tp->ucastrate; 6430 else { 6431 rix = ieee80211_ratectl_rate(ni, NULL, 0); 6432 rate = ni->ni_txrate; 6433 6434 if (rix > 0) 6435 rate_fb = ni->ni_rates.rs_rates[rix - 1] & 6436 IEEE80211_RATE_VAL; 6437 else 6438 rate_fb = rate; 6439 } 6440 6441 sc->sc_tx_rate = rate; 6442 6443 /* Note: this maps the select ieee80211 rate to hardware rate */ 6444 rate = bwn_ieeerate2hwrate(sc, rate); 6445 rate_fb = bwn_ieeerate2hwrate(sc, rate_fb); 6446 6447 txhdr->phyrate = (BWN_ISOFDMRATE(rate)) ? bwn_plcp_getofdm(rate) : 6448 bwn_plcp_getcck(rate); 6449 bcopy(wh->i_fc, txhdr->macfc, sizeof(txhdr->macfc)); 6450 bcopy(wh->i_addr1, txhdr->addr1, IEEE80211_ADDR_LEN); 6451 6452 /* XXX rate/rate_fb is the hardware rate */ 6453 if ((rate_fb == rate) || 6454 (*(u_int16_t *)wh->i_dur & htole16(0x8000)) || 6455 (*(u_int16_t *)wh->i_dur == htole16(0))) 6456 txhdr->dur_fb = *(u_int16_t *)wh->i_dur; 6457 else 6458 txhdr->dur_fb = ieee80211_compute_duration(ic->ic_rt, 6459 m->m_pkthdr.len, rate, isshort); 6460 6461 /* XXX TX encryption */ 6462 6463 switch (mac->mac_fw.fw_hdr_format) { 6464 case BWN_FW_HDR_351: 6465 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r351.plcp), 6466 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6467 break; 6468 case BWN_FW_HDR_410: 6469 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r410.plcp), 6470 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6471 break; 6472 case BWN_FW_HDR_598: 6473 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r598.plcp), 6474 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6475 break; 6476 } 6477 6478 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->plcp_fb), 6479 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate_fb); 6480 6481 txhdr->eftypes |= (BWN_ISOFDMRATE(rate_fb)) ? BWN_TX_EFT_FB_OFDM : 6482 BWN_TX_EFT_FB_CCK; 6483 txhdr->chan = phy->chan; 6484 phyctl |= (BWN_ISOFDMRATE(rate)) ? BWN_TX_PHY_ENC_OFDM : 6485 BWN_TX_PHY_ENC_CCK; 6486 /* XXX preamble? obey net80211 */ 6487 if (isshort && (rate == BWN_CCK_RATE_2MB || rate == BWN_CCK_RATE_5MB || 6488 rate == BWN_CCK_RATE_11MB)) 6489 phyctl |= BWN_TX_PHY_SHORTPRMBL; 6490 6491 if (! phy->gmode) 6492 macctl |= BWN_TX_MAC_5GHZ; 6493 6494 /* XXX TX antenna selection */ 6495 6496 switch (bwn_antenna_sanitize(mac, 0)) { 6497 case 0: 6498 phyctl |= BWN_TX_PHY_ANT01AUTO; 6499 break; 6500 case 1: 6501 phyctl |= BWN_TX_PHY_ANT0; 6502 break; 6503 case 2: 6504 phyctl |= BWN_TX_PHY_ANT1; 6505 break; 6506 case 3: 6507 phyctl |= BWN_TX_PHY_ANT2; 6508 break; 6509 case 4: 6510 phyctl |= BWN_TX_PHY_ANT3; 6511 break; 6512 default: 6513 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6514 } 6515 6516 if (!ismcast) 6517 macctl |= BWN_TX_MAC_ACK; 6518 6519 macctl |= (BWN_TX_MAC_HWSEQ | BWN_TX_MAC_START_MSDU); 6520 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 6521 m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 6522 macctl |= BWN_TX_MAC_LONGFRAME; 6523 6524 if ((ic->ic_flags & IEEE80211_F_USEPROT) && 6525 ic->ic_protmode != IEEE80211_PROT_NONE) { 6526 /* Note: don't fall back to CCK rates for 5G */ 6527 if (phy->gmode) 6528 rts_rate = BWN_CCK_RATE_1MB; 6529 else 6530 rts_rate = BWN_OFDM_RATE_6MB; 6531 rts_rate_fb = bwn_get_fbrate(rts_rate); 6532 6533 /* XXX 'rate' here is hardware rate now, not the net80211 rate */ 6534 mprot = ieee80211_alloc_prot(ni, m, rate, ic->ic_protmode); 6535 if (mprot == NULL) { 6536 if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS, 1); 6537 device_printf(sc->sc_dev, 6538 "could not allocate mbuf for protection mode %d\n", 6539 ic->ic_protmode); 6540 return (ENOBUFS); 6541 } 6542 6543 switch (mac->mac_fw.fw_hdr_format) { 6544 case BWN_FW_HDR_351: 6545 prot_ptr = txhdr->body.r351.rts_frame; 6546 break; 6547 case BWN_FW_HDR_410: 6548 prot_ptr = txhdr->body.r410.rts_frame; 6549 break; 6550 case BWN_FW_HDR_598: 6551 prot_ptr = txhdr->body.r598.rts_frame; 6552 break; 6553 } 6554 6555 bcopy(mtod(mprot, uint8_t *), prot_ptr, mprot->m_pkthdr.len); 6556 m_freem(mprot); 6557 6558 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 6559 macctl |= BWN_TX_MAC_SEND_CTSTOSELF; 6560 len = sizeof(struct ieee80211_frame_cts); 6561 } else { 6562 macctl |= BWN_TX_MAC_SEND_RTSCTS; 6563 len = sizeof(struct ieee80211_frame_rts); 6564 } 6565 len += IEEE80211_CRC_LEN; 6566 6567 switch (mac->mac_fw.fw_hdr_format) { 6568 case BWN_FW_HDR_351: 6569 bwn_plcp_genhdr((struct bwn_plcp4 *) 6570 &txhdr->body.r351.rts_plcp, len, rts_rate); 6571 break; 6572 case BWN_FW_HDR_410: 6573 bwn_plcp_genhdr((struct bwn_plcp4 *) 6574 &txhdr->body.r410.rts_plcp, len, rts_rate); 6575 break; 6576 case BWN_FW_HDR_598: 6577 bwn_plcp_genhdr((struct bwn_plcp4 *) 6578 &txhdr->body.r598.rts_plcp, len, rts_rate); 6579 break; 6580 } 6581 6582 bwn_plcp_genhdr((struct bwn_plcp4 *)&txhdr->rts_plcp_fb, len, 6583 rts_rate_fb); 6584 6585 switch (mac->mac_fw.fw_hdr_format) { 6586 case BWN_FW_HDR_351: 6587 protwh = (struct ieee80211_frame *) 6588 &txhdr->body.r351.rts_frame; 6589 break; 6590 case BWN_FW_HDR_410: 6591 protwh = (struct ieee80211_frame *) 6592 &txhdr->body.r410.rts_frame; 6593 break; 6594 case BWN_FW_HDR_598: 6595 protwh = (struct ieee80211_frame *) 6596 &txhdr->body.r598.rts_frame; 6597 break; 6598 } 6599 6600 txhdr->rts_dur_fb = *(u_int16_t *)protwh->i_dur; 6601 6602 if (BWN_ISOFDMRATE(rts_rate)) { 6603 txhdr->eftypes |= BWN_TX_EFT_RTS_OFDM; 6604 txhdr->phyrate_rts = bwn_plcp_getofdm(rts_rate); 6605 } else { 6606 txhdr->eftypes |= BWN_TX_EFT_RTS_CCK; 6607 txhdr->phyrate_rts = bwn_plcp_getcck(rts_rate); 6608 } 6609 txhdr->eftypes |= (BWN_ISOFDMRATE(rts_rate_fb)) ? 6610 BWN_TX_EFT_RTS_FBOFDM : BWN_TX_EFT_RTS_FBCCK; 6611 6612 if (fill_phy_ctl1) { 6613 txhdr->phyctl_1rts = htole16(bwn_set_txhdr_phyctl1(mac, rts_rate)); 6614 txhdr->phyctl_1rtsfb = htole16(bwn_set_txhdr_phyctl1(mac, rts_rate_fb)); 6615 } 6616 } 6617 6618 if (fill_phy_ctl1) { 6619 txhdr->phyctl_1 = htole16(bwn_set_txhdr_phyctl1(mac, rate)); 6620 txhdr->phyctl_1fb = htole16(bwn_set_txhdr_phyctl1(mac, rate_fb)); 6621 } 6622 6623 switch (mac->mac_fw.fw_hdr_format) { 6624 case BWN_FW_HDR_351: 6625 txhdr->body.r351.cookie = htole16(cookie); 6626 break; 6627 case BWN_FW_HDR_410: 6628 txhdr->body.r410.cookie = htole16(cookie); 6629 break; 6630 case BWN_FW_HDR_598: 6631 txhdr->body.r598.cookie = htole16(cookie); 6632 break; 6633 } 6634 6635 txhdr->macctl = htole32(macctl); 6636 txhdr->phyctl = htole16(phyctl); 6637 6638 /* 6639 * TX radio tap 6640 */ 6641 if (ieee80211_radiotap_active_vap(vap)) { 6642 sc->sc_tx_th.wt_flags = 0; 6643 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 6644 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP; 6645 if (isshort && 6646 (rate == BWN_CCK_RATE_2MB || rate == BWN_CCK_RATE_5MB || 6647 rate == BWN_CCK_RATE_11MB)) 6648 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 6649 sc->sc_tx_th.wt_rate = rate; 6650 6651 ieee80211_radiotap_tx(vap, m); 6652 } 6653 6654 return (0); 6655} 6656 6657static void 6658bwn_plcp_genhdr(struct bwn_plcp4 *plcp, const uint16_t octets, 6659 const uint8_t rate) 6660{ 6661 uint32_t d, plen; 6662 uint8_t *raw = plcp->o.raw; 6663 6664 if (BWN_ISOFDMRATE(rate)) { 6665 d = bwn_plcp_getofdm(rate); 6666 KASSERT(!(octets & 0xf000), 6667 ("%s:%d: fail", __func__, __LINE__)); 6668 d |= (octets << 5); 6669 plcp->o.data = htole32(d); 6670 } else { 6671 plen = octets * 16 / rate; 6672 if ((octets * 16 % rate) > 0) { 6673 plen++; 6674 if ((rate == BWN_CCK_RATE_11MB) 6675 && ((octets * 8 % 11) < 4)) { 6676 raw[1] = 0x84; 6677 } else 6678 raw[1] = 0x04; 6679 } else 6680 raw[1] = 0x04; 6681 plcp->o.data |= htole32(plen << 16); 6682 raw[0] = bwn_plcp_getcck(rate); 6683 } 6684} 6685 6686static uint8_t 6687bwn_antenna_sanitize(struct bwn_mac *mac, uint8_t n) 6688{ 6689 struct bwn_softc *sc = mac->mac_sc; 6690 uint8_t mask; 6691 6692 if (n == 0) 6693 return (0); 6694 if (mac->mac_phy.gmode) 6695 mask = sc->sc_ant2g; 6696 else 6697 mask = sc->sc_ant5g; 6698 if (!(mask & (1 << (n - 1)))) 6699 return (0); 6700 return (n); 6701} 6702 6703/* 6704 * Return a fallback rate for the given rate. 6705 * 6706 * Note: Don't fall back from OFDM to CCK. 6707 */ 6708static uint8_t 6709bwn_get_fbrate(uint8_t bitrate) 6710{ 6711 switch (bitrate) { 6712 /* CCK */ 6713 case BWN_CCK_RATE_1MB: 6714 return (BWN_CCK_RATE_1MB); 6715 case BWN_CCK_RATE_2MB: 6716 return (BWN_CCK_RATE_1MB); 6717 case BWN_CCK_RATE_5MB: 6718 return (BWN_CCK_RATE_2MB); 6719 case BWN_CCK_RATE_11MB: 6720 return (BWN_CCK_RATE_5MB); 6721 6722 /* OFDM */ 6723 case BWN_OFDM_RATE_6MB: 6724 return (BWN_OFDM_RATE_6MB); 6725 case BWN_OFDM_RATE_9MB: 6726 return (BWN_OFDM_RATE_6MB); 6727 case BWN_OFDM_RATE_12MB: 6728 return (BWN_OFDM_RATE_9MB); 6729 case BWN_OFDM_RATE_18MB: 6730 return (BWN_OFDM_RATE_12MB); 6731 case BWN_OFDM_RATE_24MB: 6732 return (BWN_OFDM_RATE_18MB); 6733 case BWN_OFDM_RATE_36MB: 6734 return (BWN_OFDM_RATE_24MB); 6735 case BWN_OFDM_RATE_48MB: 6736 return (BWN_OFDM_RATE_36MB); 6737 case BWN_OFDM_RATE_54MB: 6738 return (BWN_OFDM_RATE_48MB); 6739 } 6740 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6741 return (0); 6742} 6743 6744static uint32_t 6745bwn_pio_write_multi_4(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6746 uint32_t ctl, const void *_data, int len) 6747{ 6748 struct bwn_softc *sc = mac->mac_sc; 6749 uint32_t value = 0; 6750 const uint8_t *data = _data; 6751 6752 ctl |= BWN_PIO8_TXCTL_0_7 | BWN_PIO8_TXCTL_8_15 | 6753 BWN_PIO8_TXCTL_16_23 | BWN_PIO8_TXCTL_24_31; 6754 bwn_pio_write_4(mac, tq, BWN_PIO8_TXCTL, ctl); 6755 6756 bus_write_multi_4(sc->sc_mem_res, tq->tq_base + BWN_PIO8_TXDATA, 6757 __DECONST(void *, data), (len & ~3)); 6758 if (len & 3) { 6759 ctl &= ~(BWN_PIO8_TXCTL_8_15 | BWN_PIO8_TXCTL_16_23 | 6760 BWN_PIO8_TXCTL_24_31); 6761 data = &(data[len - 1]); 6762 switch (len & 3) { 6763 case 3: 6764 ctl |= BWN_PIO8_TXCTL_16_23; 6765 value |= (uint32_t)(*data) << 16; 6766 data--; 6767 case 2: 6768 ctl |= BWN_PIO8_TXCTL_8_15; 6769 value |= (uint32_t)(*data) << 8; 6770 data--; 6771 case 1: 6772 value |= (uint32_t)(*data); 6773 } 6774 bwn_pio_write_4(mac, tq, BWN_PIO8_TXCTL, ctl); 6775 bwn_pio_write_4(mac, tq, BWN_PIO8_TXDATA, value); 6776 } 6777 6778 return (ctl); 6779} 6780 6781static void 6782bwn_pio_write_4(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6783 uint16_t offset, uint32_t value) 6784{ 6785 6786 BWN_WRITE_4(mac, tq->tq_base + offset, value); 6787} 6788 6789static uint16_t 6790bwn_pio_write_multi_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6791 uint16_t ctl, const void *_data, int len) 6792{ 6793 struct bwn_softc *sc = mac->mac_sc; 6794 const uint8_t *data = _data; 6795 6796 ctl |= BWN_PIO_TXCTL_WRITELO | BWN_PIO_TXCTL_WRITEHI; 6797 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6798 6799 bus_write_multi_2(sc->sc_mem_res, tq->tq_base + BWN_PIO_TXDATA, 6800 __DECONST(void *, data), (len & ~1)); 6801 if (len & 1) { 6802 ctl &= ~BWN_PIO_TXCTL_WRITEHI; 6803 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6804 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data[len - 1]); 6805 } 6806 6807 return (ctl); 6808} 6809 6810static uint16_t 6811bwn_pio_write_mbuf_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6812 uint16_t ctl, struct mbuf *m0) 6813{ 6814 int i, j = 0; 6815 uint16_t data = 0; 6816 const uint8_t *buf; 6817 struct mbuf *m = m0; 6818 6819 ctl |= BWN_PIO_TXCTL_WRITELO | BWN_PIO_TXCTL_WRITEHI; 6820 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6821 6822 for (; m != NULL; m = m->m_next) { 6823 buf = mtod(m, const uint8_t *); 6824 for (i = 0; i < m->m_len; i++) { 6825 if (!((j++) % 2)) 6826 data |= buf[i]; 6827 else { 6828 data |= (buf[i] << 8); 6829 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data); 6830 data = 0; 6831 } 6832 } 6833 } 6834 if (m0->m_pkthdr.len % 2) { 6835 ctl &= ~BWN_PIO_TXCTL_WRITEHI; 6836 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6837 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data); 6838 } 6839 6840 return (ctl); 6841} 6842 6843static void 6844bwn_set_slot_time(struct bwn_mac *mac, uint16_t time) 6845{ 6846 6847 /* XXX should exit if 5GHz band .. */ 6848 if (mac->mac_phy.type != BWN_PHYTYPE_G) 6849 return; 6850 6851 BWN_WRITE_2(mac, 0x684, 510 + time); 6852 /* Disabled in Linux b43, can adversely effect performance */ 6853#if 0 6854 bwn_shm_write_2(mac, BWN_SHARED, 0x0010, time); 6855#endif 6856} 6857 6858static struct bwn_dma_ring * 6859bwn_dma_select(struct bwn_mac *mac, uint8_t prio) 6860{ 6861 6862 if ((mac->mac_flags & BWN_MAC_FLAG_WME) == 0) 6863 return (mac->mac_method.dma.wme[WME_AC_BE]); 6864 6865 switch (prio) { 6866 case 3: 6867 return (mac->mac_method.dma.wme[WME_AC_VO]); 6868 case 2: 6869 return (mac->mac_method.dma.wme[WME_AC_VI]); 6870 case 0: 6871 return (mac->mac_method.dma.wme[WME_AC_BE]); 6872 case 1: 6873 return (mac->mac_method.dma.wme[WME_AC_BK]); 6874 } 6875 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6876 return (NULL); 6877} 6878 6879static int 6880bwn_dma_getslot(struct bwn_dma_ring *dr) 6881{ 6882 int slot; 6883 6884 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 6885 6886 KASSERT(dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 6887 KASSERT(!(dr->dr_stop), ("%s:%d: fail", __func__, __LINE__)); 6888 KASSERT(bwn_dma_freeslot(dr) != 0, ("%s:%d: fail", __func__, __LINE__)); 6889 6890 slot = bwn_dma_nextslot(dr, dr->dr_curslot); 6891 KASSERT(!(slot & ~0x0fff), ("%s:%d: fail", __func__, __LINE__)); 6892 dr->dr_curslot = slot; 6893 dr->dr_usedslot++; 6894 6895 return (slot); 6896} 6897 6898static struct bwn_pio_txqueue * 6899bwn_pio_parse_cookie(struct bwn_mac *mac, uint16_t cookie, 6900 struct bwn_pio_txpkt **pack) 6901{ 6902 struct bwn_pio *pio = &mac->mac_method.pio; 6903 struct bwn_pio_txqueue *tq = NULL; 6904 unsigned int index; 6905 6906 switch (cookie & 0xf000) { 6907 case 0x1000: 6908 tq = &pio->wme[WME_AC_BK]; 6909 break; 6910 case 0x2000: 6911 tq = &pio->wme[WME_AC_BE]; 6912 break; 6913 case 0x3000: 6914 tq = &pio->wme[WME_AC_VI]; 6915 break; 6916 case 0x4000: 6917 tq = &pio->wme[WME_AC_VO]; 6918 break; 6919 case 0x5000: 6920 tq = &pio->mcast; 6921 break; 6922 } 6923 KASSERT(tq != NULL, ("%s:%d: fail", __func__, __LINE__)); 6924 if (tq == NULL) 6925 return (NULL); 6926 index = (cookie & 0x0fff); 6927 KASSERT(index < N(tq->tq_pkts), ("%s:%d: fail", __func__, __LINE__)); 6928 if (index >= N(tq->tq_pkts)) 6929 return (NULL); 6930 *pack = &tq->tq_pkts[index]; 6931 KASSERT(*pack != NULL, ("%s:%d: fail", __func__, __LINE__)); 6932 return (tq); 6933} 6934 6935static void 6936bwn_txpwr(void *arg, int npending) 6937{ 6938 struct bwn_mac *mac = arg; 6939 struct bwn_softc *sc; 6940 6941 if (mac == NULL) 6942 return; 6943 6944 sc = mac->mac_sc; 6945 6946 BWN_LOCK(sc); 6947 if (mac->mac_status >= BWN_MAC_STATUS_STARTED && 6948 mac->mac_phy.set_txpwr != NULL) 6949 mac->mac_phy.set_txpwr(mac); 6950 BWN_UNLOCK(sc); 6951} 6952 6953static void 6954bwn_task_15s(struct bwn_mac *mac) 6955{ 6956 uint16_t reg; 6957 6958 if (mac->mac_fw.opensource) { 6959 reg = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_WATCHDOG_REG); 6960 if (reg) { 6961 bwn_restart(mac, "fw watchdog"); 6962 return; 6963 } 6964 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_WATCHDOG_REG, 1); 6965 } 6966 if (mac->mac_phy.task_15s) 6967 mac->mac_phy.task_15s(mac); 6968 6969 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 6970} 6971 6972static void 6973bwn_task_30s(struct bwn_mac *mac) 6974{ 6975 6976 if (mac->mac_phy.type != BWN_PHYTYPE_G || mac->mac_noise.noi_running) 6977 return; 6978 mac->mac_noise.noi_running = 1; 6979 mac->mac_noise.noi_nsamples = 0; 6980 6981 bwn_noise_gensample(mac); 6982} 6983 6984static void 6985bwn_task_60s(struct bwn_mac *mac) 6986{ 6987 6988 if (mac->mac_phy.task_60s) 6989 mac->mac_phy.task_60s(mac); 6990 bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME); 6991} 6992 6993static void 6994bwn_tasks(void *arg) 6995{ 6996 struct bwn_mac *mac = arg; 6997 struct bwn_softc *sc = mac->mac_sc; 6998 6999 BWN_ASSERT_LOCKED(sc); 7000 if (mac->mac_status != BWN_MAC_STATUS_STARTED) 7001 return; 7002 7003 if (mac->mac_task_state % 4 == 0) 7004 bwn_task_60s(mac); 7005 if (mac->mac_task_state % 2 == 0) 7006 bwn_task_30s(mac); 7007 bwn_task_15s(mac); 7008 7009 mac->mac_task_state++; 7010 callout_reset(&sc->sc_task_ch, hz * 15, bwn_tasks, mac); 7011} 7012 7013static int 7014bwn_plcp_get_ofdmrate(struct bwn_mac *mac, struct bwn_plcp6 *plcp, uint8_t a) 7015{ 7016 struct bwn_softc *sc = mac->mac_sc; 7017 7018 KASSERT(a == 0, ("not support APHY\n")); 7019 7020 switch (plcp->o.raw[0] & 0xf) { 7021 case 0xb: 7022 return (BWN_OFDM_RATE_6MB); 7023 case 0xf: 7024 return (BWN_OFDM_RATE_9MB); 7025 case 0xa: 7026 return (BWN_OFDM_RATE_12MB); 7027 case 0xe: 7028 return (BWN_OFDM_RATE_18MB); 7029 case 0x9: 7030 return (BWN_OFDM_RATE_24MB); 7031 case 0xd: 7032 return (BWN_OFDM_RATE_36MB); 7033 case 0x8: 7034 return (BWN_OFDM_RATE_48MB); 7035 case 0xc: 7036 return (BWN_OFDM_RATE_54MB); 7037 } 7038 device_printf(sc->sc_dev, "incorrect OFDM rate %d\n", 7039 plcp->o.raw[0] & 0xf); 7040 return (-1); 7041} 7042 7043static int 7044bwn_plcp_get_cckrate(struct bwn_mac *mac, struct bwn_plcp6 *plcp) 7045{ 7046 struct bwn_softc *sc = mac->mac_sc; 7047 7048 switch (plcp->o.raw[0]) { 7049 case 0x0a: 7050 return (BWN_CCK_RATE_1MB); 7051 case 0x14: 7052 return (BWN_CCK_RATE_2MB); 7053 case 0x37: 7054 return (BWN_CCK_RATE_5MB); 7055 case 0x6e: 7056 return (BWN_CCK_RATE_11MB); 7057 } 7058 device_printf(sc->sc_dev, "incorrect CCK rate %d\n", plcp->o.raw[0]); 7059 return (-1); 7060} 7061 7062static void 7063bwn_rx_radiotap(struct bwn_mac *mac, struct mbuf *m, 7064 const struct bwn_rxhdr4 *rxhdr, struct bwn_plcp6 *plcp, int rate, 7065 int rssi, int noise) 7066{ 7067 struct bwn_softc *sc = mac->mac_sc; 7068 const struct ieee80211_frame_min *wh; 7069 uint64_t tsf; 7070 uint16_t low_mactime_now; 7071 uint16_t mt; 7072 7073 if (htole16(rxhdr->phy_status0) & BWN_RX_PHYST0_SHORTPRMBL) 7074 sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 7075 7076 wh = mtod(m, const struct ieee80211_frame_min *); 7077 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 7078 sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_WEP; 7079 7080 bwn_tsf_read(mac, &tsf); 7081 low_mactime_now = tsf; 7082 tsf = tsf & ~0xffffULL; 7083 7084 switch (mac->mac_fw.fw_hdr_format) { 7085 case BWN_FW_HDR_351: 7086 case BWN_FW_HDR_410: 7087 mt = le16toh(rxhdr->ps4.r351.mac_time); 7088 break; 7089 case BWN_FW_HDR_598: 7090 mt = le16toh(rxhdr->ps4.r598.mac_time); 7091 break; 7092 } 7093 7094 tsf += mt; 7095 if (low_mactime_now < mt) 7096 tsf -= 0x10000; 7097 7098 sc->sc_rx_th.wr_tsf = tsf; 7099 sc->sc_rx_th.wr_rate = rate; 7100 sc->sc_rx_th.wr_antsignal = rssi; 7101 sc->sc_rx_th.wr_antnoise = noise; 7102} 7103 7104static void 7105bwn_tsf_read(struct bwn_mac *mac, uint64_t *tsf) 7106{ 7107 uint32_t low, high; 7108 7109 KASSERT(bhnd_get_hwrev(mac->mac_sc->sc_dev) >= 3, 7110 ("%s:%d: fail", __func__, __LINE__)); 7111 7112 low = BWN_READ_4(mac, BWN_REV3PLUS_TSF_LOW); 7113 high = BWN_READ_4(mac, BWN_REV3PLUS_TSF_HIGH); 7114 *tsf = high; 7115 *tsf <<= 32; 7116 *tsf |= low; 7117} 7118 7119static int 7120bwn_dma_attach(struct bwn_mac *mac) 7121{ 7122 struct bwn_dma *dma; 7123 struct bwn_softc *sc; 7124 struct bhnd_dma_translation *dt, dma_translation; 7125 bhnd_addr_t addrext_req; 7126 bus_dma_tag_t dmat; 7127 bus_addr_t lowaddr; 7128 u_int addrext_shift, addr_width; 7129 int error; 7130 7131 dma = &mac->mac_method.dma; 7132 sc = mac->mac_sc; 7133 dt = NULL; 7134 7135 if (sc->sc_quirks & BWN_QUIRK_NODMA) 7136 return (0); 7137 7138 KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 5, ("%s: fail", __func__)); 7139 7140 /* Use the DMA engine's maximum host address width to determine the 7141 * addrext constraints, and supported device address width. */ 7142 switch (mac->mac_dmatype) { 7143 case BHND_DMA_ADDR_30BIT: 7144 /* 32-bit engine without addrext support */ 7145 addrext_req = 0x0; 7146 addrext_shift = 0; 7147 7148 /* We can address the full 32-bit device address space */ 7149 addr_width = BHND_DMA_ADDR_32BIT; 7150 break; 7151 7152 case BHND_DMA_ADDR_32BIT: 7153 /* 32-bit engine with addrext support */ 7154 addrext_req = BWN_DMA32_ADDREXT_MASK; 7155 addrext_shift = BWN_DMA32_ADDREXT_SHIFT; 7156 addr_width = BHND_DMA_ADDR_32BIT; 7157 break; 7158 7159 case BHND_DMA_ADDR_64BIT: 7160 /* 64-bit engine with addrext support */ 7161 addrext_req = BWN_DMA64_ADDREXT_MASK; 7162 addrext_shift = BWN_DMA64_ADDREXT_SHIFT; 7163 addr_width = BHND_DMA_ADDR_64BIT; 7164 break; 7165 7166 default: 7167 device_printf(sc->sc_dev, "unsupported DMA address width: %d\n", 7168 mac->mac_dmatype); 7169 return (ENXIO); 7170 } 7171 7172 /* Fetch our device->host DMA translation and tag */ 7173 error = bhnd_get_dma_translation(sc->sc_dev, addr_width, 0, &dmat, 7174 &dma_translation); 7175 if (error) { 7176 device_printf(sc->sc_dev, "error fetching DMA translation: " 7177 "%d\n", error); 7178 return (error); 7179 } 7180 7181 /* Verify that our DMA engine's addrext constraints are compatible with 7182 * our DMA translation */ 7183 if (addrext_req != 0x0 && 7184 (dma_translation.addrext_mask & addrext_req) != addrext_req) 7185 { 7186 device_printf(sc->sc_dev, "bus addrext mask %#jx incompatible " 7187 "with device addrext mask %#jx, disabling extended address " 7188 "support\n", (uintmax_t)dma_translation.addrext_mask, 7189 (uintmax_t)addrext_req); 7190 7191 addrext_req = 0x0; 7192 addrext_shift = 0; 7193 } 7194 7195 /* Apply our addrext translation constraint */ 7196 dma_translation.addrext_mask = addrext_req; 7197 7198 /* Initialize our DMA engine configuration */ 7199 mac->mac_flags |= BWN_MAC_FLAG_DMA; 7200 7201 dma->addrext_shift = addrext_shift; 7202 dma->translation = dma_translation; 7203 7204 dt = &dma->translation; 7205 7206 /* Dermine our translation's maximum supported address */ 7207 lowaddr = MIN((dt->addr_mask | dt->addrext_mask), BUS_SPACE_MAXADDR); 7208 7209 /* 7210 * Create top level DMA tag 7211 */ 7212 error = bus_dma_tag_create(dmat, /* parent */ 7213 BWN_ALIGN, 0, /* alignment, bounds */ 7214 lowaddr, /* lowaddr */ 7215 BUS_SPACE_MAXADDR, /* highaddr */ 7216 NULL, NULL, /* filter, filterarg */ 7217 BUS_SPACE_MAXSIZE, /* maxsize */ 7218 BUS_SPACE_UNRESTRICTED, /* nsegments */ 7219 BUS_SPACE_MAXSIZE, /* maxsegsize */ 7220 0, /* flags */ 7221 NULL, NULL, /* lockfunc, lockarg */ 7222 &dma->parent_dtag); 7223 if (error) { 7224 device_printf(sc->sc_dev, "can't create parent DMA tag\n"); 7225 return (error); 7226 } 7227 7228 /* 7229 * Create TX/RX mbuf DMA tag 7230 */ 7231 error = bus_dma_tag_create(dma->parent_dtag, 7232 1, 7233 0, 7234 BUS_SPACE_MAXADDR, 7235 BUS_SPACE_MAXADDR, 7236 NULL, NULL, 7237 MCLBYTES, 7238 1, 7239 BUS_SPACE_MAXSIZE_32BIT, 7240 0, 7241 NULL, NULL, 7242 &dma->rxbuf_dtag); 7243 if (error) { 7244 device_printf(sc->sc_dev, "can't create mbuf DMA tag\n"); 7245 goto fail0; 7246 } 7247 error = bus_dma_tag_create(dma->parent_dtag, 7248 1, 7249 0, 7250 BUS_SPACE_MAXADDR, 7251 BUS_SPACE_MAXADDR, 7252 NULL, NULL, 7253 MCLBYTES, 7254 1, 7255 BUS_SPACE_MAXSIZE_32BIT, 7256 0, 7257 NULL, NULL, 7258 &dma->txbuf_dtag); 7259 if (error) { 7260 device_printf(sc->sc_dev, "can't create mbuf DMA tag\n"); 7261 goto fail1; 7262 } 7263 7264 dma->wme[WME_AC_BK] = bwn_dma_ringsetup(mac, 0, 1); 7265 if (!dma->wme[WME_AC_BK]) 7266 goto fail2; 7267 7268 dma->wme[WME_AC_BE] = bwn_dma_ringsetup(mac, 1, 1); 7269 if (!dma->wme[WME_AC_BE]) 7270 goto fail3; 7271 7272 dma->wme[WME_AC_VI] = bwn_dma_ringsetup(mac, 2, 1); 7273 if (!dma->wme[WME_AC_VI]) 7274 goto fail4; 7275 7276 dma->wme[WME_AC_VO] = bwn_dma_ringsetup(mac, 3, 1); 7277 if (!dma->wme[WME_AC_VO]) 7278 goto fail5; 7279 7280 dma->mcast = bwn_dma_ringsetup(mac, 4, 1); 7281 if (!dma->mcast) 7282 goto fail6; 7283 dma->rx = bwn_dma_ringsetup(mac, 0, 0); 7284 if (!dma->rx) 7285 goto fail7; 7286 7287 return (error); 7288 7289fail7: bwn_dma_ringfree(&dma->mcast); 7290fail6: bwn_dma_ringfree(&dma->wme[WME_AC_VO]); 7291fail5: bwn_dma_ringfree(&dma->wme[WME_AC_VI]); 7292fail4: bwn_dma_ringfree(&dma->wme[WME_AC_BE]); 7293fail3: bwn_dma_ringfree(&dma->wme[WME_AC_BK]); 7294fail2: bus_dma_tag_destroy(dma->txbuf_dtag); 7295fail1: bus_dma_tag_destroy(dma->rxbuf_dtag); 7296fail0: bus_dma_tag_destroy(dma->parent_dtag); 7297 return (error); 7298} 7299 7300static struct bwn_dma_ring * 7301bwn_dma_parse_cookie(struct bwn_mac *mac, const struct bwn_txstatus *status, 7302 uint16_t cookie, int *slot) 7303{ 7304 struct bwn_dma *dma = &mac->mac_method.dma; 7305 struct bwn_dma_ring *dr; 7306 struct bwn_softc *sc = mac->mac_sc; 7307 7308 BWN_ASSERT_LOCKED(mac->mac_sc); 7309 7310 switch (cookie & 0xf000) { 7311 case 0x1000: 7312 dr = dma->wme[WME_AC_BK]; 7313 break; 7314 case 0x2000: 7315 dr = dma->wme[WME_AC_BE]; 7316 break; 7317 case 0x3000: 7318 dr = dma->wme[WME_AC_VI]; 7319 break; 7320 case 0x4000: 7321 dr = dma->wme[WME_AC_VO]; 7322 break; 7323 case 0x5000: 7324 dr = dma->mcast; 7325 break; 7326 default: 7327 dr = NULL; 7328 KASSERT(0 == 1, 7329 ("invalid cookie value %d", cookie & 0xf000)); 7330 } 7331 *slot = (cookie & 0x0fff); 7332 if (*slot < 0 || *slot >= dr->dr_numslots) { 7333 /* 7334 * XXX FIXME: sometimes H/W returns TX DONE events duplicately 7335 * that it occurs events which have same H/W sequence numbers. 7336 * When it's occurred just prints a WARNING msgs and ignores. 7337 */ 7338 KASSERT(status->seq == dma->lastseq, 7339 ("%s:%d: fail", __func__, __LINE__)); 7340 device_printf(sc->sc_dev, 7341 "out of slot ranges (0 < %d < %d)\n", *slot, 7342 dr->dr_numslots); 7343 return (NULL); 7344 } 7345 dma->lastseq = status->seq; 7346 return (dr); 7347} 7348 7349static void 7350bwn_dma_stop(struct bwn_mac *mac) 7351{ 7352 struct bwn_dma *dma; 7353 7354 if ((mac->mac_flags & BWN_MAC_FLAG_DMA) == 0) 7355 return; 7356 dma = &mac->mac_method.dma; 7357 7358 bwn_dma_ringstop(&dma->rx); 7359 bwn_dma_ringstop(&dma->wme[WME_AC_BK]); 7360 bwn_dma_ringstop(&dma->wme[WME_AC_BE]); 7361 bwn_dma_ringstop(&dma->wme[WME_AC_VI]); 7362 bwn_dma_ringstop(&dma->wme[WME_AC_VO]); 7363 bwn_dma_ringstop(&dma->mcast); 7364} 7365 7366static void 7367bwn_dma_ringstop(struct bwn_dma_ring **dr) 7368{ 7369 7370 if (dr == NULL) 7371 return; 7372 7373 bwn_dma_cleanup(*dr); 7374} 7375 7376static void 7377bwn_pio_stop(struct bwn_mac *mac) 7378{ 7379 struct bwn_pio *pio; 7380 7381 if (mac->mac_flags & BWN_MAC_FLAG_DMA) 7382 return; 7383 pio = &mac->mac_method.pio; 7384 7385 bwn_destroy_queue_tx(&pio->mcast); 7386 bwn_destroy_queue_tx(&pio->wme[WME_AC_VO]); 7387 bwn_destroy_queue_tx(&pio->wme[WME_AC_VI]); 7388 bwn_destroy_queue_tx(&pio->wme[WME_AC_BE]); 7389 bwn_destroy_queue_tx(&pio->wme[WME_AC_BK]); 7390} 7391 7392static int 7393bwn_led_attach(struct bwn_mac *mac) 7394{ 7395 struct bwn_softc *sc = mac->mac_sc; 7396 const uint8_t *led_act = NULL; 7397 int error; 7398 int i; 7399 7400 sc->sc_led_idle = (2350 * hz) / 1000; 7401 sc->sc_led_blink = 1; 7402 7403 for (i = 0; i < N(bwn_vendor_led_act); ++i) { 7404 if (sc->sc_board_info.board_vendor == 7405 bwn_vendor_led_act[i].vid) { 7406 led_act = bwn_vendor_led_act[i].led_act; 7407 break; 7408 } 7409 } 7410 if (led_act == NULL) 7411 led_act = bwn_default_led_act; 7412 7413 _Static_assert(nitems(bwn_led_vars) == BWN_LED_MAX, 7414 "invalid NVRAM variable name array"); 7415 7416 for (i = 0; i < BWN_LED_MAX; ++i) { 7417 struct bwn_led *led; 7418 uint8_t val; 7419 7420 led = &sc->sc_leds[i]; 7421 7422 KASSERT(i < nitems(bwn_led_vars), ("unknown LED index")); 7423 error = bhnd_nvram_getvar_uint8(sc->sc_dev, bwn_led_vars[i], 7424 &val); 7425 if (error) { 7426 if (error != ENOENT) { 7427 device_printf(sc->sc_dev, "NVRAM variable %s " 7428 "unreadable: %d", bwn_led_vars[i], error); 7429 return (error); 7430 } 7431 7432 /* Not found; use default */ 7433 led->led_act = led_act[i]; 7434 } else { 7435 if (val & BWN_LED_ACT_LOW) 7436 led->led_flags |= BWN_LED_F_ACTLOW; 7437 led->led_act = val & BWN_LED_ACT_MASK; 7438 } 7439 led->led_mask = (1 << i); 7440 7441 if (led->led_act == BWN_LED_ACT_BLINK_SLOW || 7442 led->led_act == BWN_LED_ACT_BLINK_POLL || 7443 led->led_act == BWN_LED_ACT_BLINK) { 7444 led->led_flags |= BWN_LED_F_BLINK; 7445 if (led->led_act == BWN_LED_ACT_BLINK_POLL) 7446 led->led_flags |= BWN_LED_F_POLLABLE; 7447 else if (led->led_act == BWN_LED_ACT_BLINK_SLOW) 7448 led->led_flags |= BWN_LED_F_SLOW; 7449 7450 if (sc->sc_blink_led == NULL) { 7451 sc->sc_blink_led = led; 7452 if (led->led_flags & BWN_LED_F_SLOW) 7453 BWN_LED_SLOWDOWN(sc->sc_led_idle); 7454 } 7455 } 7456 7457 DPRINTF(sc, BWN_DEBUG_LED, 7458 "%dth led, act %d, lowact %d\n", i, 7459 led->led_act, led->led_flags & BWN_LED_F_ACTLOW); 7460 } 7461 callout_init_mtx(&sc->sc_led_blink_ch, &sc->sc_mtx, 0); 7462 7463 return (0); 7464} 7465 7466static __inline uint16_t 7467bwn_led_onoff(const struct bwn_led *led, uint16_t val, int on) 7468{ 7469 7470 if (led->led_flags & BWN_LED_F_ACTLOW) 7471 on = !on; 7472 if (on) 7473 val |= led->led_mask; 7474 else 7475 val &= ~led->led_mask; 7476 return val; 7477} 7478 7479static void 7480bwn_led_newstate(struct bwn_mac *mac, enum ieee80211_state nstate) 7481{ 7482 struct bwn_softc *sc = mac->mac_sc; 7483 struct ieee80211com *ic = &sc->sc_ic; 7484 uint16_t val; 7485 int i; 7486 7487 if (nstate == IEEE80211_S_INIT) { 7488 callout_stop(&sc->sc_led_blink_ch); 7489 sc->sc_led_blinking = 0; 7490 } 7491 7492 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) 7493 return; 7494 7495 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7496 for (i = 0; i < BWN_LED_MAX; ++i) { 7497 struct bwn_led *led = &sc->sc_leds[i]; 7498 int on; 7499 7500 if (led->led_act == BWN_LED_ACT_UNKN || 7501 led->led_act == BWN_LED_ACT_NULL) 7502 continue; 7503 7504 if ((led->led_flags & BWN_LED_F_BLINK) && 7505 nstate != IEEE80211_S_INIT) 7506 continue; 7507 7508 switch (led->led_act) { 7509 case BWN_LED_ACT_ON: /* Always on */ 7510 on = 1; 7511 break; 7512 case BWN_LED_ACT_OFF: /* Always off */ 7513 case BWN_LED_ACT_5GHZ: /* TODO: 11A */ 7514 on = 0; 7515 break; 7516 default: 7517 on = 1; 7518 switch (nstate) { 7519 case IEEE80211_S_INIT: 7520 on = 0; 7521 break; 7522 case IEEE80211_S_RUN: 7523 if (led->led_act == BWN_LED_ACT_11G && 7524 ic->ic_curmode != IEEE80211_MODE_11G) 7525 on = 0; 7526 break; 7527 default: 7528 if (led->led_act == BWN_LED_ACT_ASSOC) 7529 on = 0; 7530 break; 7531 } 7532 break; 7533 } 7534 7535 val = bwn_led_onoff(led, val, on); 7536 } 7537 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7538} 7539 7540static void 7541bwn_led_event(struct bwn_mac *mac, int event) 7542{ 7543 struct bwn_softc *sc = mac->mac_sc; 7544 struct bwn_led *led = sc->sc_blink_led; 7545 int rate; 7546 7547 if (event == BWN_LED_EVENT_POLL) { 7548 if ((led->led_flags & BWN_LED_F_POLLABLE) == 0) 7549 return; 7550 if (ticks - sc->sc_led_ticks < sc->sc_led_idle) 7551 return; 7552 } 7553 7554 sc->sc_led_ticks = ticks; 7555 if (sc->sc_led_blinking) 7556 return; 7557 7558 switch (event) { 7559 case BWN_LED_EVENT_RX: 7560 rate = sc->sc_rx_rate; 7561 break; 7562 case BWN_LED_EVENT_TX: 7563 rate = sc->sc_tx_rate; 7564 break; 7565 case BWN_LED_EVENT_POLL: 7566 rate = 0; 7567 break; 7568 default: 7569 panic("unknown LED event %d\n", event); 7570 break; 7571 } 7572 bwn_led_blink_start(mac, bwn_led_duration[rate].on_dur, 7573 bwn_led_duration[rate].off_dur); 7574} 7575 7576static void 7577bwn_led_blink_start(struct bwn_mac *mac, int on_dur, int off_dur) 7578{ 7579 struct bwn_softc *sc = mac->mac_sc; 7580 struct bwn_led *led = sc->sc_blink_led; 7581 uint16_t val; 7582 7583 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7584 val = bwn_led_onoff(led, val, 1); 7585 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7586 7587 if (led->led_flags & BWN_LED_F_SLOW) { 7588 BWN_LED_SLOWDOWN(on_dur); 7589 BWN_LED_SLOWDOWN(off_dur); 7590 } 7591 7592 sc->sc_led_blinking = 1; 7593 sc->sc_led_blink_offdur = off_dur; 7594 7595 callout_reset(&sc->sc_led_blink_ch, on_dur, bwn_led_blink_next, mac); 7596} 7597 7598static void 7599bwn_led_blink_next(void *arg) 7600{ 7601 struct bwn_mac *mac = arg; 7602 struct bwn_softc *sc = mac->mac_sc; 7603 uint16_t val; 7604 7605 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7606 val = bwn_led_onoff(sc->sc_blink_led, val, 0); 7607 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7608 7609 callout_reset(&sc->sc_led_blink_ch, sc->sc_led_blink_offdur, 7610 bwn_led_blink_end, mac); 7611} 7612 7613static void 7614bwn_led_blink_end(void *arg) 7615{ 7616 struct bwn_mac *mac = arg; 7617 struct bwn_softc *sc = mac->mac_sc; 7618 7619 sc->sc_led_blinking = 0; 7620} 7621 7622static int 7623bwn_suspend(device_t dev) 7624{ 7625 struct bwn_softc *sc = device_get_softc(dev); 7626 7627 BWN_LOCK(sc); 7628 bwn_stop(sc); 7629 BWN_UNLOCK(sc); 7630 return (0); 7631} 7632 7633static int 7634bwn_resume(device_t dev) 7635{ 7636 struct bwn_softc *sc = device_get_softc(dev); 7637 int error = EDOOFUS; 7638 7639 BWN_LOCK(sc); 7640 if (sc->sc_ic.ic_nrunning > 0) 7641 error = bwn_init(sc); 7642 BWN_UNLOCK(sc); 7643 if (error == 0) 7644 ieee80211_start_all(&sc->sc_ic); 7645 return (0); 7646} 7647 7648static void 7649bwn_rfswitch(void *arg) 7650{ 7651 struct bwn_softc *sc = arg; 7652 struct bwn_mac *mac = sc->sc_curmac; 7653 int cur = 0, prev = 0; 7654 7655 KASSERT(mac->mac_status >= BWN_MAC_STATUS_STARTED, 7656 ("%s: invalid MAC status %d", __func__, mac->mac_status)); 7657 7658 if (mac->mac_phy.rev >= 3 || mac->mac_phy.type == BWN_PHYTYPE_LP 7659 || mac->mac_phy.type == BWN_PHYTYPE_N) { 7660 if (!(BWN_READ_4(mac, BWN_RF_HWENABLED_HI) 7661 & BWN_RF_HWENABLED_HI_MASK)) 7662 cur = 1; 7663 } else { 7664 if (BWN_READ_2(mac, BWN_RF_HWENABLED_LO) 7665 & BWN_RF_HWENABLED_LO_MASK) 7666 cur = 1; 7667 } 7668 7669 if (mac->mac_flags & BWN_MAC_FLAG_RADIO_ON) 7670 prev = 1; 7671 7672 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called; cur=%d, prev=%d\n", 7673 __func__, cur, prev); 7674 7675 if (cur != prev) { 7676 if (cur) 7677 mac->mac_flags |= BWN_MAC_FLAG_RADIO_ON; 7678 else 7679 mac->mac_flags &= ~BWN_MAC_FLAG_RADIO_ON; 7680 7681 device_printf(sc->sc_dev, 7682 "status of RF switch is changed to %s\n", 7683 cur ? "ON" : "OFF"); 7684 if (cur != mac->mac_phy.rf_on) { 7685 if (cur) 7686 bwn_rf_turnon(mac); 7687 else 7688 bwn_rf_turnoff(mac); 7689 } 7690 } 7691 7692 callout_schedule(&sc->sc_rfswitch_ch, hz); 7693} 7694 7695static void 7696bwn_sysctl_node(struct bwn_softc *sc) 7697{ 7698 device_t dev = sc->sc_dev; 7699 struct bwn_mac *mac; 7700 struct bwn_stats *stats; 7701 7702 /* XXX assume that count of MAC is only 1. */ 7703 7704 if ((mac = sc->sc_curmac) == NULL) 7705 return; 7706 stats = &mac->mac_stats; 7707 7708 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7709 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7710 "linknoise", CTLFLAG_RW, &stats->rts, 0, "Noise level"); 7711 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7712 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7713 "rts", CTLFLAG_RW, &stats->rts, 0, "RTS"); 7714 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7715 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7716 "rtsfail", CTLFLAG_RW, &stats->rtsfail, 0, "RTS failed to send"); 7717 7718#ifdef BWN_DEBUG 7719 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 7720 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7721 "debug", CTLFLAG_RW, &sc->sc_debug, 0, "Debug flags"); 7722#endif 7723} 7724 7725static device_method_t bwn_methods[] = { 7726 /* Device interface */ 7727 DEVMETHOD(device_probe, bwn_probe), 7728 DEVMETHOD(device_attach, bwn_attach), 7729 DEVMETHOD(device_detach, bwn_detach), 7730 DEVMETHOD(device_suspend, bwn_suspend), 7731 DEVMETHOD(device_resume, bwn_resume), 7732 DEVMETHOD_END 7733}; 7734 7735static driver_t bwn_driver = { 7736 "bwn", 7737 bwn_methods, 7738 sizeof(struct bwn_softc) 7739}; 7740 7741DRIVER_MODULE(bwn, bhnd, bwn_driver, 0, 0); 7742MODULE_DEPEND(bwn, bhnd, 1, 1, 1); 7743MODULE_DEPEND(bwn, gpiobus, 1, 1, 1); 7744MODULE_DEPEND(bwn, wlan, 1, 1, 1); /* 802.11 media layer */ 7745MODULE_DEPEND(bwn, firmware, 1, 1, 1); /* firmware support */ 7746MODULE_DEPEND(bwn, wlan_amrr, 1, 1, 1); 7747MODULE_VERSION(bwn, 1); 7748