1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification. 13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 15 * redistribution must be conditioned upon including a substantially 16 * similar Disclaimer requirement for further binary redistribution. 17 * 18 * NO WARRANTY 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 22 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 23 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 24 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 27 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29 * THE POSSIBILITY OF SUCH DAMAGES. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 /* 36 * The Broadcom Wireless LAN controller driver. 37 */ 38 39 #include "opt_bwn.h" 40 #include "opt_wlan.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/malloc.h> 46 #include <sys/module.h> 47 #include <sys/endian.h> 48 #include <sys/errno.h> 49 #include <sys/firmware.h> 50 #include <sys/lock.h> 51 #include <sys/mutex.h> 52 #include <machine/bus.h> 53 #include <machine/resource.h> 54 #include <sys/bus.h> 55 #include <sys/rman.h> 56 #include <sys/socket.h> 57 #include <sys/sockio.h> 58 59 #include <net/ethernet.h> 60 #include <net/if.h> 61 #include <net/if_var.h> 62 #include <net/if_arp.h> 63 #include <net/if_dl.h> 64 #include <net/if_llc.h> 65 #include <net/if_media.h> 66 #include <net/if_types.h> 67 68 #include <dev/pci/pcivar.h> 69 #include <dev/pci/pcireg.h> 70 71 #include <net80211/ieee80211_var.h> 72 #include <net80211/ieee80211_radiotap.h> 73 #include <net80211/ieee80211_regdomain.h> 74 #include <net80211/ieee80211_phy.h> 75 #include <net80211/ieee80211_ratectl.h> 76 77 #include <dev/bwn/if_bwn_siba.h> 78 79 #include <dev/bwn/if_bwnreg.h> 80 #include <dev/bwn/if_bwnvar.h> 81 82 #include <dev/bwn/if_bwn_debug.h> 83 #include <dev/bwn/if_bwn_misc.h> 84 #include <dev/bwn/if_bwn_util.h> 85 #include <dev/bwn/if_bwn_phy_common.h> 86 #include <dev/bwn/if_bwn_phy_g.h> 87 #include <dev/bwn/if_bwn_phy_lp.h> 88 #include <dev/bwn/if_bwn_phy_n.h> 89 90 static SYSCTL_NODE(_hw, OID_AUTO, bwn, CTLFLAG_RD, 0, 91 "Broadcom driver parameters"); 92 93 /* 94 * Tunable & sysctl variables. 95 */ 96 97 #ifdef BWN_DEBUG 98 static int bwn_debug = 0; 99 SYSCTL_INT(_hw_bwn, OID_AUTO, debug, CTLFLAG_RWTUN, &bwn_debug, 0, 100 "Broadcom debugging printfs"); 101 #endif 102 103 static int bwn_bfp = 0; /* use "Bad Frames Preemption" */ 104 SYSCTL_INT(_hw_bwn, OID_AUTO, bfp, CTLFLAG_RW, &bwn_bfp, 0, 105 "uses Bad Frames Preemption"); 106 static int bwn_bluetooth = 1; 107 SYSCTL_INT(_hw_bwn, OID_AUTO, bluetooth, CTLFLAG_RW, &bwn_bluetooth, 0, 108 "turns on Bluetooth Coexistence"); 109 static int bwn_hwpctl = 0; 110 SYSCTL_INT(_hw_bwn, OID_AUTO, hwpctl, CTLFLAG_RW, &bwn_hwpctl, 0, 111 "uses H/W power control"); 112 static int bwn_msi_disable = 0; /* MSI disabled */ 113 TUNABLE_INT("hw.bwn.msi_disable", &bwn_msi_disable); 114 static int bwn_usedma = 1; 115 SYSCTL_INT(_hw_bwn, OID_AUTO, usedma, CTLFLAG_RD, &bwn_usedma, 0, 116 "uses DMA"); 117 TUNABLE_INT("hw.bwn.usedma", &bwn_usedma); 118 static int bwn_wme = 1; 119 SYSCTL_INT(_hw_bwn, OID_AUTO, wme, CTLFLAG_RW, &bwn_wme, 0, 120 "uses WME support"); 121 122 static void bwn_attach_pre(struct bwn_softc *); 123 static int bwn_attach_post(struct bwn_softc *); 124 static void bwn_sprom_bugfixes(device_t); 125 static int bwn_init(struct bwn_softc *); 126 static void bwn_parent(struct ieee80211com *); 127 static void bwn_start(struct bwn_softc *); 128 static int bwn_transmit(struct ieee80211com *, struct mbuf *); 129 static int bwn_attach_core(struct bwn_mac *); 130 static int bwn_phy_getinfo(struct bwn_mac *, int); 131 static int bwn_chiptest(struct bwn_mac *); 132 static int bwn_setup_channels(struct bwn_mac *, int, int); 133 static void bwn_shm_ctlword(struct bwn_mac *, uint16_t, 134 uint16_t); 135 static void bwn_addchannels(struct ieee80211_channel [], int, int *, 136 const struct bwn_channelinfo *, const uint8_t []); 137 static int bwn_raw_xmit(struct ieee80211_node *, struct mbuf *, 138 const struct ieee80211_bpf_params *); 139 static void bwn_updateslot(struct ieee80211com *); 140 static void bwn_update_promisc(struct ieee80211com *); 141 static void bwn_wme_init(struct bwn_mac *); 142 static int bwn_wme_update(struct ieee80211com *); 143 static void bwn_wme_clear(struct bwn_softc *); 144 static void bwn_wme_load(struct bwn_mac *); 145 static void bwn_wme_loadparams(struct bwn_mac *, 146 const struct wmeParams *, uint16_t); 147 static void bwn_scan_start(struct ieee80211com *); 148 static void bwn_scan_end(struct ieee80211com *); 149 static void bwn_set_channel(struct ieee80211com *); 150 static struct ieee80211vap *bwn_vap_create(struct ieee80211com *, 151 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 152 const uint8_t [IEEE80211_ADDR_LEN], 153 const uint8_t [IEEE80211_ADDR_LEN]); 154 static void bwn_vap_delete(struct ieee80211vap *); 155 static void bwn_stop(struct bwn_softc *); 156 static int bwn_core_init(struct bwn_mac *); 157 static void bwn_core_start(struct bwn_mac *); 158 static void bwn_core_exit(struct bwn_mac *); 159 static void bwn_bt_disable(struct bwn_mac *); 160 static int bwn_chip_init(struct bwn_mac *); 161 static void bwn_set_txretry(struct bwn_mac *, int, int); 162 static void bwn_rate_init(struct bwn_mac *); 163 static void bwn_set_phytxctl(struct bwn_mac *); 164 static void bwn_spu_setdelay(struct bwn_mac *, int); 165 static void bwn_bt_enable(struct bwn_mac *); 166 static void bwn_set_macaddr(struct bwn_mac *); 167 static void bwn_crypt_init(struct bwn_mac *); 168 static void bwn_chip_exit(struct bwn_mac *); 169 static int bwn_fw_fillinfo(struct bwn_mac *); 170 static int bwn_fw_loaducode(struct bwn_mac *); 171 static int bwn_gpio_init(struct bwn_mac *); 172 static int bwn_fw_loadinitvals(struct bwn_mac *); 173 static int bwn_phy_init(struct bwn_mac *); 174 static void bwn_set_txantenna(struct bwn_mac *, int); 175 static void bwn_set_opmode(struct bwn_mac *); 176 static void bwn_rate_write(struct bwn_mac *, uint16_t, int); 177 static uint8_t bwn_plcp_getcck(const uint8_t); 178 static uint8_t bwn_plcp_getofdm(const uint8_t); 179 static void bwn_pio_init(struct bwn_mac *); 180 static uint16_t bwn_pio_idx2base(struct bwn_mac *, int); 181 static void bwn_pio_set_txqueue(struct bwn_mac *, struct bwn_pio_txqueue *, 182 int); 183 static void bwn_pio_setupqueue_rx(struct bwn_mac *, 184 struct bwn_pio_rxqueue *, int); 185 static void bwn_destroy_queue_tx(struct bwn_pio_txqueue *); 186 static uint16_t bwn_pio_read_2(struct bwn_mac *, struct bwn_pio_txqueue *, 187 uint16_t); 188 static void bwn_pio_cancel_tx_packets(struct bwn_pio_txqueue *); 189 static int bwn_pio_rx(struct bwn_pio_rxqueue *); 190 static uint8_t bwn_pio_rxeof(struct bwn_pio_rxqueue *); 191 static void bwn_pio_handle_txeof(struct bwn_mac *, 192 const struct bwn_txstatus *); 193 static uint16_t bwn_pio_rx_read_2(struct bwn_pio_rxqueue *, uint16_t); 194 static uint32_t bwn_pio_rx_read_4(struct bwn_pio_rxqueue *, uint16_t); 195 static void bwn_pio_rx_write_2(struct bwn_pio_rxqueue *, uint16_t, 196 uint16_t); 197 static void bwn_pio_rx_write_4(struct bwn_pio_rxqueue *, uint16_t, 198 uint32_t); 199 static int bwn_pio_tx_start(struct bwn_mac *, struct ieee80211_node *, 200 struct mbuf *); 201 static struct bwn_pio_txqueue *bwn_pio_select(struct bwn_mac *, uint8_t); 202 static uint32_t bwn_pio_write_multi_4(struct bwn_mac *, 203 struct bwn_pio_txqueue *, uint32_t, const void *, int); 204 static void bwn_pio_write_4(struct bwn_mac *, struct bwn_pio_txqueue *, 205 uint16_t, uint32_t); 206 static uint16_t bwn_pio_write_multi_2(struct bwn_mac *, 207 struct bwn_pio_txqueue *, uint16_t, const void *, int); 208 static uint16_t bwn_pio_write_mbuf_2(struct bwn_mac *, 209 struct bwn_pio_txqueue *, uint16_t, struct mbuf *); 210 static struct bwn_pio_txqueue *bwn_pio_parse_cookie(struct bwn_mac *, 211 uint16_t, struct bwn_pio_txpkt **); 212 static void bwn_dma_init(struct bwn_mac *); 213 static void bwn_dma_rxdirectfifo(struct bwn_mac *, int, uint8_t); 214 static int bwn_dma_mask2type(uint64_t); 215 static uint64_t bwn_dma_mask(struct bwn_mac *); 216 static uint16_t bwn_dma_base(int, int); 217 static void bwn_dma_ringfree(struct bwn_dma_ring **); 218 static void bwn_dma_32_getdesc(struct bwn_dma_ring *, 219 int, struct bwn_dmadesc_generic **, 220 struct bwn_dmadesc_meta **); 221 static void bwn_dma_32_setdesc(struct bwn_dma_ring *, 222 struct bwn_dmadesc_generic *, bus_addr_t, uint16_t, int, 223 int, int); 224 static void bwn_dma_32_start_transfer(struct bwn_dma_ring *, int); 225 static void bwn_dma_32_suspend(struct bwn_dma_ring *); 226 static void bwn_dma_32_resume(struct bwn_dma_ring *); 227 static int bwn_dma_32_get_curslot(struct bwn_dma_ring *); 228 static void bwn_dma_32_set_curslot(struct bwn_dma_ring *, int); 229 static void bwn_dma_64_getdesc(struct bwn_dma_ring *, 230 int, struct bwn_dmadesc_generic **, 231 struct bwn_dmadesc_meta **); 232 static void bwn_dma_64_setdesc(struct bwn_dma_ring *, 233 struct bwn_dmadesc_generic *, bus_addr_t, uint16_t, int, 234 int, int); 235 static void bwn_dma_64_start_transfer(struct bwn_dma_ring *, int); 236 static void bwn_dma_64_suspend(struct bwn_dma_ring *); 237 static void bwn_dma_64_resume(struct bwn_dma_ring *); 238 static int bwn_dma_64_get_curslot(struct bwn_dma_ring *); 239 static void bwn_dma_64_set_curslot(struct bwn_dma_ring *, int); 240 static int bwn_dma_allocringmemory(struct bwn_dma_ring *); 241 static void bwn_dma_setup(struct bwn_dma_ring *); 242 static void bwn_dma_free_ringmemory(struct bwn_dma_ring *); 243 static void bwn_dma_cleanup(struct bwn_dma_ring *); 244 static void bwn_dma_free_descbufs(struct bwn_dma_ring *); 245 static int bwn_dma_tx_reset(struct bwn_mac *, uint16_t, int); 246 static void bwn_dma_rx(struct bwn_dma_ring *); 247 static int bwn_dma_rx_reset(struct bwn_mac *, uint16_t, int); 248 static void bwn_dma_free_descbuf(struct bwn_dma_ring *, 249 struct bwn_dmadesc_meta *); 250 static void bwn_dma_set_redzone(struct bwn_dma_ring *, struct mbuf *); 251 static int bwn_dma_gettype(struct bwn_mac *); 252 static void bwn_dma_ring_addr(void *, bus_dma_segment_t *, int, int); 253 static int bwn_dma_freeslot(struct bwn_dma_ring *); 254 static int bwn_dma_nextslot(struct bwn_dma_ring *, int); 255 static void bwn_dma_rxeof(struct bwn_dma_ring *, int *); 256 static int bwn_dma_newbuf(struct bwn_dma_ring *, 257 struct bwn_dmadesc_generic *, struct bwn_dmadesc_meta *, 258 int); 259 static void bwn_dma_buf_addr(void *, bus_dma_segment_t *, int, 260 bus_size_t, int); 261 static uint8_t bwn_dma_check_redzone(struct bwn_dma_ring *, struct mbuf *); 262 static void bwn_ratectl_tx_complete(const struct ieee80211_node *, 263 const struct bwn_txstatus *); 264 static void bwn_dma_handle_txeof(struct bwn_mac *, 265 const struct bwn_txstatus *); 266 static int bwn_dma_tx_start(struct bwn_mac *, struct ieee80211_node *, 267 struct mbuf *); 268 static int bwn_dma_getslot(struct bwn_dma_ring *); 269 static struct bwn_dma_ring *bwn_dma_select(struct bwn_mac *, 270 uint8_t); 271 static int bwn_dma_attach(struct bwn_mac *); 272 static struct bwn_dma_ring *bwn_dma_ringsetup(struct bwn_mac *, 273 int, int, int); 274 static struct bwn_dma_ring *bwn_dma_parse_cookie(struct bwn_mac *, 275 const struct bwn_txstatus *, uint16_t, int *); 276 static void bwn_dma_free(struct bwn_mac *); 277 static int bwn_fw_gets(struct bwn_mac *, enum bwn_fwtype); 278 static int bwn_fw_get(struct bwn_mac *, enum bwn_fwtype, 279 const char *, struct bwn_fwfile *); 280 static void bwn_release_firmware(struct bwn_mac *); 281 static void bwn_do_release_fw(struct bwn_fwfile *); 282 static uint16_t bwn_fwcaps_read(struct bwn_mac *); 283 static int bwn_fwinitvals_write(struct bwn_mac *, 284 const struct bwn_fwinitvals *, size_t, size_t); 285 static uint16_t bwn_ant2phy(int); 286 static void bwn_mac_write_bssid(struct bwn_mac *); 287 static void bwn_mac_setfilter(struct bwn_mac *, uint16_t, 288 const uint8_t *); 289 static void bwn_key_dowrite(struct bwn_mac *, uint8_t, uint8_t, 290 const uint8_t *, size_t, const uint8_t *); 291 static void bwn_key_macwrite(struct bwn_mac *, uint8_t, 292 const uint8_t *); 293 static void bwn_key_write(struct bwn_mac *, uint8_t, uint8_t, 294 const uint8_t *); 295 static void bwn_phy_exit(struct bwn_mac *); 296 static void bwn_core_stop(struct bwn_mac *); 297 static int bwn_switch_band(struct bwn_softc *, 298 struct ieee80211_channel *); 299 static void bwn_phy_reset(struct bwn_mac *); 300 static int bwn_newstate(struct ieee80211vap *, enum ieee80211_state, int); 301 static void bwn_set_pretbtt(struct bwn_mac *); 302 static int bwn_intr(void *); 303 static void bwn_intrtask(void *, int); 304 static void bwn_restart(struct bwn_mac *, const char *); 305 static void bwn_intr_ucode_debug(struct bwn_mac *); 306 static void bwn_intr_tbtt_indication(struct bwn_mac *); 307 static void bwn_intr_atim_end(struct bwn_mac *); 308 static void bwn_intr_beacon(struct bwn_mac *); 309 static void bwn_intr_pmq(struct bwn_mac *); 310 static void bwn_intr_noise(struct bwn_mac *); 311 static void bwn_intr_txeof(struct bwn_mac *); 312 static void bwn_hwreset(void *, int); 313 static void bwn_handle_fwpanic(struct bwn_mac *); 314 static void bwn_load_beacon0(struct bwn_mac *); 315 static void bwn_load_beacon1(struct bwn_mac *); 316 static uint32_t bwn_jssi_read(struct bwn_mac *); 317 static void bwn_noise_gensample(struct bwn_mac *); 318 static void bwn_handle_txeof(struct bwn_mac *, 319 const struct bwn_txstatus *); 320 static void bwn_rxeof(struct bwn_mac *, struct mbuf *, const void *); 321 static void bwn_phy_txpower_check(struct bwn_mac *, uint32_t); 322 static int bwn_tx_start(struct bwn_softc *, struct ieee80211_node *, 323 struct mbuf *); 324 static int bwn_tx_isfull(struct bwn_softc *, struct mbuf *); 325 static int bwn_set_txhdr(struct bwn_mac *, 326 struct ieee80211_node *, struct mbuf *, struct bwn_txhdr *, 327 uint16_t); 328 static void bwn_plcp_genhdr(struct bwn_plcp4 *, const uint16_t, 329 const uint8_t); 330 static uint8_t bwn_antenna_sanitize(struct bwn_mac *, uint8_t); 331 static uint8_t bwn_get_fbrate(uint8_t); 332 static void bwn_txpwr(void *, int); 333 static void bwn_tasks(void *); 334 static void bwn_task_15s(struct bwn_mac *); 335 static void bwn_task_30s(struct bwn_mac *); 336 static void bwn_task_60s(struct bwn_mac *); 337 static int bwn_plcp_get_ofdmrate(struct bwn_mac *, struct bwn_plcp6 *, 338 uint8_t); 339 static int bwn_plcp_get_cckrate(struct bwn_mac *, struct bwn_plcp6 *); 340 static void bwn_rx_radiotap(struct bwn_mac *, struct mbuf *, 341 const struct bwn_rxhdr4 *, struct bwn_plcp6 *, int, 342 int, int); 343 static void bwn_tsf_read(struct bwn_mac *, uint64_t *); 344 static void bwn_set_slot_time(struct bwn_mac *, uint16_t); 345 static void bwn_watchdog(void *); 346 static void bwn_dma_stop(struct bwn_mac *); 347 static void bwn_pio_stop(struct bwn_mac *); 348 static void bwn_dma_ringstop(struct bwn_dma_ring **); 349 static void bwn_led_attach(struct bwn_mac *); 350 static void bwn_led_newstate(struct bwn_mac *, enum ieee80211_state); 351 static void bwn_led_event(struct bwn_mac *, int); 352 static void bwn_led_blink_start(struct bwn_mac *, int, int); 353 static void bwn_led_blink_next(void *); 354 static void bwn_led_blink_end(void *); 355 static void bwn_rfswitch(void *); 356 static void bwn_rf_turnon(struct bwn_mac *); 357 static void bwn_rf_turnoff(struct bwn_mac *); 358 static void bwn_sysctl_node(struct bwn_softc *); 359 360 static struct resource_spec bwn_res_spec_legacy[] = { 361 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE }, 362 { -1, 0, 0 } 363 }; 364 365 static struct resource_spec bwn_res_spec_msi[] = { 366 { SYS_RES_IRQ, 1, RF_ACTIVE }, 367 { -1, 0, 0 } 368 }; 369 370 static const struct bwn_channelinfo bwn_chantable_bg = { 371 .channels = { 372 { 2412, 1, 30 }, { 2417, 2, 30 }, { 2422, 3, 30 }, 373 { 2427, 4, 30 }, { 2432, 5, 30 }, { 2437, 6, 30 }, 374 { 2442, 7, 30 }, { 2447, 8, 30 }, { 2452, 9, 30 }, 375 { 2457, 10, 30 }, { 2462, 11, 30 }, { 2467, 12, 30 }, 376 { 2472, 13, 30 }, { 2484, 14, 30 } }, 377 .nchannels = 14 378 }; 379 380 static const struct bwn_channelinfo bwn_chantable_a = { 381 .channels = { 382 { 5170, 34, 30 }, { 5180, 36, 30 }, { 5190, 38, 30 }, 383 { 5200, 40, 30 }, { 5210, 42, 30 }, { 5220, 44, 30 }, 384 { 5230, 46, 30 }, { 5240, 48, 30 }, { 5260, 52, 30 }, 385 { 5280, 56, 30 }, { 5300, 60, 30 }, { 5320, 64, 30 }, 386 { 5500, 100, 30 }, { 5520, 104, 30 }, { 5540, 108, 30 }, 387 { 5560, 112, 30 }, { 5580, 116, 30 }, { 5600, 120, 30 }, 388 { 5620, 124, 30 }, { 5640, 128, 30 }, { 5660, 132, 30 }, 389 { 5680, 136, 30 }, { 5700, 140, 30 }, { 5745, 149, 30 }, 390 { 5765, 153, 30 }, { 5785, 157, 30 }, { 5805, 161, 30 }, 391 { 5825, 165, 30 }, { 5920, 184, 30 }, { 5940, 188, 30 }, 392 { 5960, 192, 30 }, { 5980, 196, 30 }, { 6000, 200, 30 }, 393 { 6020, 204, 30 }, { 6040, 208, 30 }, { 6060, 212, 30 }, 394 { 6080, 216, 30 } }, 395 .nchannels = 37 396 }; 397 398 #if 0 399 static const struct bwn_channelinfo bwn_chantable_n = { 400 .channels = { 401 { 5160, 32, 30 }, { 5170, 34, 30 }, { 5180, 36, 30 }, 402 { 5190, 38, 30 }, { 5200, 40, 30 }, { 5210, 42, 30 }, 403 { 5220, 44, 30 }, { 5230, 46, 30 }, { 5240, 48, 30 }, 404 { 5250, 50, 30 }, { 5260, 52, 30 }, { 5270, 54, 30 }, 405 { 5280, 56, 30 }, { 5290, 58, 30 }, { 5300, 60, 30 }, 406 { 5310, 62, 30 }, { 5320, 64, 30 }, { 5330, 66, 30 }, 407 { 5340, 68, 30 }, { 5350, 70, 30 }, { 5360, 72, 30 }, 408 { 5370, 74, 30 }, { 5380, 76, 30 }, { 5390, 78, 30 }, 409 { 5400, 80, 30 }, { 5410, 82, 30 }, { 5420, 84, 30 }, 410 { 5430, 86, 30 }, { 5440, 88, 30 }, { 5450, 90, 30 }, 411 { 5460, 92, 30 }, { 5470, 94, 30 }, { 5480, 96, 30 }, 412 { 5490, 98, 30 }, { 5500, 100, 30 }, { 5510, 102, 30 }, 413 { 5520, 104, 30 }, { 5530, 106, 30 }, { 5540, 108, 30 }, 414 { 5550, 110, 30 }, { 5560, 112, 30 }, { 5570, 114, 30 }, 415 { 5580, 116, 30 }, { 5590, 118, 30 }, { 5600, 120, 30 }, 416 { 5610, 122, 30 }, { 5620, 124, 30 }, { 5630, 126, 30 }, 417 { 5640, 128, 30 }, { 5650, 130, 30 }, { 5660, 132, 30 }, 418 { 5670, 134, 30 }, { 5680, 136, 30 }, { 5690, 138, 30 }, 419 { 5700, 140, 30 }, { 5710, 142, 30 }, { 5720, 144, 30 }, 420 { 5725, 145, 30 }, { 5730, 146, 30 }, { 5735, 147, 30 }, 421 { 5740, 148, 30 }, { 5745, 149, 30 }, { 5750, 150, 30 }, 422 { 5755, 151, 30 }, { 5760, 152, 30 }, { 5765, 153, 30 }, 423 { 5770, 154, 30 }, { 5775, 155, 30 }, { 5780, 156, 30 }, 424 { 5785, 157, 30 }, { 5790, 158, 30 }, { 5795, 159, 30 }, 425 { 5800, 160, 30 }, { 5805, 161, 30 }, { 5810, 162, 30 }, 426 { 5815, 163, 30 }, { 5820, 164, 30 }, { 5825, 165, 30 }, 427 { 5830, 166, 30 }, { 5840, 168, 30 }, { 5850, 170, 30 }, 428 { 5860, 172, 30 }, { 5870, 174, 30 }, { 5880, 176, 30 }, 429 { 5890, 178, 30 }, { 5900, 180, 30 }, { 5910, 182, 30 }, 430 { 5920, 184, 30 }, { 5930, 186, 30 }, { 5940, 188, 30 }, 431 { 5950, 190, 30 }, { 5960, 192, 30 }, { 5970, 194, 30 }, 432 { 5980, 196, 30 }, { 5990, 198, 30 }, { 6000, 200, 30 }, 433 { 6010, 202, 30 }, { 6020, 204, 30 }, { 6030, 206, 30 }, 434 { 6040, 208, 30 }, { 6050, 210, 30 }, { 6060, 212, 30 }, 435 { 6070, 214, 30 }, { 6080, 216, 30 }, { 6090, 218, 30 }, 436 { 6100, 220, 30 }, { 6110, 222, 30 }, { 6120, 224, 30 }, 437 { 6130, 226, 30 }, { 6140, 228, 30 } }, 438 .nchannels = 110 439 }; 440 #endif 441 442 #define VENDOR_LED_ACT(vendor) \ 443 { \ 444 .vid = PCI_VENDOR_##vendor, \ 445 .led_act = { BWN_VENDOR_LED_ACT_##vendor } \ 446 } 447 448 static const struct { 449 uint16_t vid; 450 uint8_t led_act[BWN_LED_MAX]; 451 } bwn_vendor_led_act[] = { 452 VENDOR_LED_ACT(COMPAQ), 453 VENDOR_LED_ACT(ASUSTEK) 454 }; 455 456 static const uint8_t bwn_default_led_act[BWN_LED_MAX] = 457 { BWN_VENDOR_LED_ACT_DEFAULT }; 458 459 #undef VENDOR_LED_ACT 460 461 static const struct { 462 int on_dur; 463 int off_dur; 464 } bwn_led_duration[109] = { 465 [0] = { 400, 100 }, 466 [2] = { 150, 75 }, 467 [4] = { 90, 45 }, 468 [11] = { 66, 34 }, 469 [12] = { 53, 26 }, 470 [18] = { 42, 21 }, 471 [22] = { 35, 17 }, 472 [24] = { 32, 16 }, 473 [36] = { 21, 10 }, 474 [48] = { 16, 8 }, 475 [72] = { 11, 5 }, 476 [96] = { 9, 4 }, 477 [108] = { 7, 3 } 478 }; 479 480 static const uint16_t bwn_wme_shm_offsets[] = { 481 [0] = BWN_WME_BESTEFFORT, 482 [1] = BWN_WME_BACKGROUND, 483 [2] = BWN_WME_VOICE, 484 [3] = BWN_WME_VIDEO, 485 }; 486 487 static const struct siba_devid bwn_devs[] = { 488 SIBA_DEV(BROADCOM, 80211, 5, "Revision 5"), 489 SIBA_DEV(BROADCOM, 80211, 6, "Revision 6"), 490 SIBA_DEV(BROADCOM, 80211, 7, "Revision 7"), 491 SIBA_DEV(BROADCOM, 80211, 9, "Revision 9"), 492 SIBA_DEV(BROADCOM, 80211, 10, "Revision 10"), 493 SIBA_DEV(BROADCOM, 80211, 11, "Revision 11"), 494 SIBA_DEV(BROADCOM, 80211, 12, "Revision 12"), 495 SIBA_DEV(BROADCOM, 80211, 13, "Revision 13"), 496 SIBA_DEV(BROADCOM, 80211, 15, "Revision 15"), 497 SIBA_DEV(BROADCOM, 80211, 16, "Revision 16") 498 }; 499 500 static const struct bwn_bus_ops * 501 bwn_get_bus_ops(device_t dev) 502 { 503 #if BWN_USE_SIBA 504 return (NULL); 505 #else 506 devclass_t bus_cls; 507 508 bus_cls = device_get_devclass(device_get_parent(dev)); 509 if (bus_cls == devclass_find("bhnd")) 510 return (&bwn_bhnd_bus_ops); 511 else 512 return (&bwn_siba_bus_ops); 513 #endif 514 } 515 516 static int 517 bwn_probe(device_t dev) 518 { 519 struct bwn_softc *sc; 520 int i; 521 522 sc = device_get_softc(dev); 523 sc->sc_bus_ops = bwn_get_bus_ops(dev); 524 525 for (i = 0; i < nitems(bwn_devs); i++) { 526 if (siba_get_vendor(dev) == bwn_devs[i].sd_vendor && 527 siba_get_device(dev) == bwn_devs[i].sd_device && 528 siba_get_revid(dev) == bwn_devs[i].sd_rev) 529 return (BUS_PROBE_DEFAULT); 530 } 531 532 return (ENXIO); 533 } 534 535 int 536 bwn_attach(device_t dev) 537 { 538 struct bwn_mac *mac; 539 struct bwn_softc *sc = device_get_softc(dev); 540 int error, i, msic, reg; 541 542 sc->sc_dev = dev; 543 #ifdef BWN_DEBUG 544 sc->sc_debug = bwn_debug; 545 #endif 546 547 sc->sc_bus_ops = bwn_get_bus_ops(dev); 548 if ((error = BWN_BUS_OPS_ATTACH(dev))) { 549 device_printf(sc->sc_dev, 550 "bus-specific initialization failed (%d)\n", error); 551 return (error); 552 } 553 554 if ((sc->sc_flags & BWN_FLAG_ATTACHED) == 0) { 555 bwn_attach_pre(sc); 556 bwn_sprom_bugfixes(dev); 557 sc->sc_flags |= BWN_FLAG_ATTACHED; 558 } 559 560 if (!TAILQ_EMPTY(&sc->sc_maclist)) { 561 if (siba_get_pci_device(dev) != 0x4313 && 562 siba_get_pci_device(dev) != 0x431a && 563 siba_get_pci_device(dev) != 0x4321) { 564 device_printf(sc->sc_dev, 565 "skip 802.11 cores\n"); 566 return (ENODEV); 567 } 568 } 569 570 mac = malloc(sizeof(*mac), M_DEVBUF, M_WAITOK | M_ZERO); 571 mac->mac_sc = sc; 572 mac->mac_status = BWN_MAC_STATUS_UNINIT; 573 if (bwn_bfp != 0) 574 mac->mac_flags |= BWN_MAC_FLAG_BADFRAME_PREEMP; 575 576 TASK_INIT(&mac->mac_hwreset, 0, bwn_hwreset, mac); 577 TASK_INIT(&mac->mac_intrtask, 0, bwn_intrtask, mac); 578 TASK_INIT(&mac->mac_txpower, 0, bwn_txpwr, mac); 579 580 error = bwn_attach_core(mac); 581 if (error) 582 goto fail0; 583 bwn_led_attach(mac); 584 585 device_printf(sc->sc_dev, "WLAN (chipid %#x rev %u) " 586 "PHY (analog %d type %d rev %d) RADIO (manuf %#x ver %#x rev %d)\n", 587 siba_get_chipid(sc->sc_dev), siba_get_revid(sc->sc_dev), 588 mac->mac_phy.analog, mac->mac_phy.type, mac->mac_phy.rev, 589 mac->mac_phy.rf_manuf, mac->mac_phy.rf_ver, 590 mac->mac_phy.rf_rev); 591 if (mac->mac_flags & BWN_MAC_FLAG_DMA) 592 device_printf(sc->sc_dev, "DMA (%d bits)\n", 593 mac->mac_method.dma.dmatype); 594 else 595 device_printf(sc->sc_dev, "PIO\n"); 596 597 #ifdef BWN_GPL_PHY 598 device_printf(sc->sc_dev, 599 "Note: compiled with BWN_GPL_PHY; includes GPLv2 code\n"); 600 #endif 601 602 /* 603 * setup PCI resources and interrupt. 604 */ 605 if (pci_find_cap(dev, PCIY_EXPRESS, ®) == 0) { 606 msic = pci_msi_count(dev); 607 if (bootverbose) 608 device_printf(sc->sc_dev, "MSI count : %d\n", msic); 609 } else 610 msic = 0; 611 612 mac->mac_intr_spec = bwn_res_spec_legacy; 613 if (msic == BWN_MSI_MESSAGES && bwn_msi_disable == 0) { 614 if (pci_alloc_msi(dev, &msic) == 0) { 615 device_printf(sc->sc_dev, 616 "Using %d MSI messages\n", msic); 617 mac->mac_intr_spec = bwn_res_spec_msi; 618 mac->mac_msi = 1; 619 } 620 } 621 622 error = bus_alloc_resources(dev, mac->mac_intr_spec, 623 mac->mac_res_irq); 624 if (error) { 625 device_printf(sc->sc_dev, 626 "couldn't allocate IRQ resources (%d)\n", error); 627 goto fail1; 628 } 629 630 if (mac->mac_msi == 0) 631 error = bus_setup_intr(dev, mac->mac_res_irq[0], 632 INTR_TYPE_NET | INTR_MPSAFE, bwn_intr, NULL, mac, 633 &mac->mac_intrhand[0]); 634 else { 635 for (i = 0; i < BWN_MSI_MESSAGES; i++) { 636 error = bus_setup_intr(dev, mac->mac_res_irq[i], 637 INTR_TYPE_NET | INTR_MPSAFE, bwn_intr, NULL, mac, 638 &mac->mac_intrhand[i]); 639 if (error != 0) { 640 device_printf(sc->sc_dev, 641 "couldn't setup interrupt (%d)\n", error); 642 break; 643 } 644 } 645 } 646 647 TAILQ_INSERT_TAIL(&sc->sc_maclist, mac, mac_list); 648 649 /* 650 * calls attach-post routine 651 */ 652 if ((sc->sc_flags & BWN_FLAG_ATTACHED) != 0) 653 bwn_attach_post(sc); 654 655 return (0); 656 fail1: 657 if (msic == BWN_MSI_MESSAGES && bwn_msi_disable == 0) 658 pci_release_msi(dev); 659 fail0: 660 BWN_BUS_OPS_DETACH(dev); 661 free(mac, M_DEVBUF); 662 return (error); 663 } 664 665 static int 666 bwn_is_valid_ether_addr(uint8_t *addr) 667 { 668 char zero_addr[6] = { 0, 0, 0, 0, 0, 0 }; 669 670 if ((addr[0] & 1) || (!bcmp(addr, zero_addr, ETHER_ADDR_LEN))) 671 return (FALSE); 672 673 return (TRUE); 674 } 675 676 static int 677 bwn_attach_post(struct bwn_softc *sc) 678 { 679 struct ieee80211com *ic = &sc->sc_ic; 680 681 ic->ic_softc = sc; 682 ic->ic_name = device_get_nameunit(sc->sc_dev); 683 /* XXX not right but it's not used anywhere important */ 684 ic->ic_phytype = IEEE80211_T_OFDM; 685 ic->ic_opmode = IEEE80211_M_STA; 686 ic->ic_caps = 687 IEEE80211_C_STA /* station mode supported */ 688 | IEEE80211_C_MONITOR /* monitor mode */ 689 | IEEE80211_C_AHDEMO /* adhoc demo mode */ 690 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 691 | IEEE80211_C_SHSLOT /* short slot time supported */ 692 | IEEE80211_C_WME /* WME/WMM supported */ 693 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ 694 #if 0 695 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 696 #endif 697 | IEEE80211_C_TXPMGT /* capable of txpow mgt */ 698 ; 699 700 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; /* s/w bmiss */ 701 702 IEEE80211_ADDR_COPY(ic->ic_macaddr, 703 bwn_is_valid_ether_addr(siba_sprom_get_mac_80211a(sc->sc_dev)) ? 704 siba_sprom_get_mac_80211a(sc->sc_dev) : 705 siba_sprom_get_mac_80211bg(sc->sc_dev)); 706 707 /* call MI attach routine. */ 708 ieee80211_ifattach(ic); 709 710 ic->ic_headroom = sizeof(struct bwn_txhdr); 711 712 /* override default methods */ 713 ic->ic_raw_xmit = bwn_raw_xmit; 714 ic->ic_updateslot = bwn_updateslot; 715 ic->ic_update_promisc = bwn_update_promisc; 716 ic->ic_wme.wme_update = bwn_wme_update; 717 ic->ic_scan_start = bwn_scan_start; 718 ic->ic_scan_end = bwn_scan_end; 719 ic->ic_set_channel = bwn_set_channel; 720 ic->ic_vap_create = bwn_vap_create; 721 ic->ic_vap_delete = bwn_vap_delete; 722 ic->ic_transmit = bwn_transmit; 723 ic->ic_parent = bwn_parent; 724 725 ieee80211_radiotap_attach(ic, 726 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th), 727 BWN_TX_RADIOTAP_PRESENT, 728 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th), 729 BWN_RX_RADIOTAP_PRESENT); 730 731 bwn_sysctl_node(sc); 732 733 if (bootverbose) 734 ieee80211_announce(ic); 735 return (0); 736 } 737 738 static void 739 bwn_phy_detach(struct bwn_mac *mac) 740 { 741 742 if (mac->mac_phy.detach != NULL) 743 mac->mac_phy.detach(mac); 744 } 745 746 int 747 bwn_detach(device_t dev) 748 { 749 struct bwn_softc *sc = device_get_softc(dev); 750 struct bwn_mac *mac = sc->sc_curmac; 751 struct ieee80211com *ic = &sc->sc_ic; 752 int i; 753 754 sc->sc_flags |= BWN_FLAG_INVALID; 755 756 if (device_is_attached(sc->sc_dev)) { 757 BWN_LOCK(sc); 758 bwn_stop(sc); 759 BWN_UNLOCK(sc); 760 bwn_dma_free(mac); 761 callout_drain(&sc->sc_led_blink_ch); 762 callout_drain(&sc->sc_rfswitch_ch); 763 callout_drain(&sc->sc_task_ch); 764 callout_drain(&sc->sc_watchdog_ch); 765 bwn_phy_detach(mac); 766 ieee80211_draintask(ic, &mac->mac_hwreset); 767 ieee80211_draintask(ic, &mac->mac_txpower); 768 ieee80211_ifdetach(ic); 769 } 770 taskqueue_drain(sc->sc_tq, &mac->mac_intrtask); 771 taskqueue_free(sc->sc_tq); 772 773 for (i = 0; i < BWN_MSI_MESSAGES; i++) { 774 if (mac->mac_intrhand[i] != NULL) { 775 bus_teardown_intr(dev, mac->mac_res_irq[i], 776 mac->mac_intrhand[i]); 777 mac->mac_intrhand[i] = NULL; 778 } 779 } 780 bus_release_resources(dev, mac->mac_intr_spec, mac->mac_res_irq); 781 if (mac->mac_msi != 0) 782 pci_release_msi(dev); 783 mbufq_drain(&sc->sc_snd); 784 bwn_release_firmware(mac); 785 BWN_LOCK_DESTROY(sc); 786 BWN_BUS_OPS_DETACH(dev); 787 return (0); 788 } 789 790 static void 791 bwn_attach_pre(struct bwn_softc *sc) 792 { 793 794 BWN_LOCK_INIT(sc); 795 TAILQ_INIT(&sc->sc_maclist); 796 callout_init_mtx(&sc->sc_rfswitch_ch, &sc->sc_mtx, 0); 797 callout_init_mtx(&sc->sc_task_ch, &sc->sc_mtx, 0); 798 callout_init_mtx(&sc->sc_watchdog_ch, &sc->sc_mtx, 0); 799 mbufq_init(&sc->sc_snd, ifqmaxlen); 800 sc->sc_tq = taskqueue_create_fast("bwn_taskq", M_NOWAIT, 801 taskqueue_thread_enqueue, &sc->sc_tq); 802 taskqueue_start_threads(&sc->sc_tq, 1, PI_NET, 803 "%s taskq", device_get_nameunit(sc->sc_dev)); 804 } 805 806 static void 807 bwn_sprom_bugfixes(device_t dev) 808 { 809 #define BWN_ISDEV(_vendor, _device, _subvendor, _subdevice) \ 810 ((siba_get_pci_vendor(dev) == PCI_VENDOR_##_vendor) && \ 811 (siba_get_pci_device(dev) == _device) && \ 812 (siba_get_pci_subvendor(dev) == PCI_VENDOR_##_subvendor) && \ 813 (siba_get_pci_subdevice(dev) == _subdevice)) 814 815 if (siba_get_pci_subvendor(dev) == PCI_VENDOR_APPLE && 816 siba_get_pci_subdevice(dev) == 0x4e && 817 siba_get_pci_revid(dev) > 0x40) 818 siba_sprom_set_bf_lo(dev, 819 siba_sprom_get_bf_lo(dev) | BWN_BFL_PACTRL); 820 if (siba_get_pci_subvendor(dev) == SIBA_BOARDVENDOR_DELL && 821 siba_get_chipid(dev) == 0x4301 && siba_get_pci_revid(dev) == 0x74) 822 siba_sprom_set_bf_lo(dev, 823 siba_sprom_get_bf_lo(dev) | BWN_BFL_BTCOEXIST); 824 if (siba_get_type(dev) == SIBA_TYPE_PCI) { 825 if (BWN_ISDEV(BROADCOM, 0x4318, ASUSTEK, 0x100f) || 826 BWN_ISDEV(BROADCOM, 0x4320, DELL, 0x0003) || 827 BWN_ISDEV(BROADCOM, 0x4320, HP, 0x12f8) || 828 BWN_ISDEV(BROADCOM, 0x4320, LINKSYS, 0x0013) || 829 BWN_ISDEV(BROADCOM, 0x4320, LINKSYS, 0x0014) || 830 BWN_ISDEV(BROADCOM, 0x4320, LINKSYS, 0x0015) || 831 BWN_ISDEV(BROADCOM, 0x4320, MOTOROLA, 0x7010)) 832 siba_sprom_set_bf_lo(dev, 833 siba_sprom_get_bf_lo(dev) & ~BWN_BFL_BTCOEXIST); 834 } 835 #undef BWN_ISDEV 836 } 837 838 static void 839 bwn_parent(struct ieee80211com *ic) 840 { 841 struct bwn_softc *sc = ic->ic_softc; 842 int startall = 0; 843 844 BWN_LOCK(sc); 845 if (ic->ic_nrunning > 0) { 846 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) { 847 bwn_init(sc); 848 startall = 1; 849 } else 850 bwn_update_promisc(ic); 851 } else if (sc->sc_flags & BWN_FLAG_RUNNING) 852 bwn_stop(sc); 853 BWN_UNLOCK(sc); 854 855 if (startall) 856 ieee80211_start_all(ic); 857 } 858 859 static int 860 bwn_transmit(struct ieee80211com *ic, struct mbuf *m) 861 { 862 struct bwn_softc *sc = ic->ic_softc; 863 int error; 864 865 BWN_LOCK(sc); 866 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) { 867 BWN_UNLOCK(sc); 868 return (ENXIO); 869 } 870 error = mbufq_enqueue(&sc->sc_snd, m); 871 if (error) { 872 BWN_UNLOCK(sc); 873 return (error); 874 } 875 bwn_start(sc); 876 BWN_UNLOCK(sc); 877 return (0); 878 } 879 880 static void 881 bwn_start(struct bwn_softc *sc) 882 { 883 struct bwn_mac *mac = sc->sc_curmac; 884 struct ieee80211_frame *wh; 885 struct ieee80211_node *ni; 886 struct ieee80211_key *k; 887 struct mbuf *m; 888 889 BWN_ASSERT_LOCKED(sc); 890 891 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0 || mac == NULL || 892 mac->mac_status < BWN_MAC_STATUS_STARTED) 893 return; 894 895 while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 896 if (bwn_tx_isfull(sc, m)) 897 break; 898 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif; 899 if (ni == NULL) { 900 device_printf(sc->sc_dev, "unexpected NULL ni\n"); 901 m_freem(m); 902 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 903 continue; 904 } 905 wh = mtod(m, struct ieee80211_frame *); 906 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 907 k = ieee80211_crypto_encap(ni, m); 908 if (k == NULL) { 909 if_inc_counter(ni->ni_vap->iv_ifp, 910 IFCOUNTER_OERRORS, 1); 911 ieee80211_free_node(ni); 912 m_freem(m); 913 continue; 914 } 915 } 916 wh = NULL; /* Catch any invalid use */ 917 if (bwn_tx_start(sc, ni, m) != 0) { 918 if (ni != NULL) { 919 if_inc_counter(ni->ni_vap->iv_ifp, 920 IFCOUNTER_OERRORS, 1); 921 ieee80211_free_node(ni); 922 } 923 continue; 924 } 925 sc->sc_watchdog_timer = 5; 926 } 927 } 928 929 static int 930 bwn_tx_isfull(struct bwn_softc *sc, struct mbuf *m) 931 { 932 struct bwn_dma_ring *dr; 933 struct bwn_mac *mac = sc->sc_curmac; 934 struct bwn_pio_txqueue *tq; 935 int pktlen = roundup(m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 936 937 BWN_ASSERT_LOCKED(sc); 938 939 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 940 dr = bwn_dma_select(mac, M_WME_GETAC(m)); 941 if (dr->dr_stop == 1 || 942 bwn_dma_freeslot(dr) < BWN_TX_SLOTS_PER_FRAME) { 943 dr->dr_stop = 1; 944 goto full; 945 } 946 } else { 947 tq = bwn_pio_select(mac, M_WME_GETAC(m)); 948 if (tq->tq_free == 0 || pktlen > tq->tq_size || 949 pktlen > (tq->tq_size - tq->tq_used)) 950 goto full; 951 } 952 return (0); 953 full: 954 mbufq_prepend(&sc->sc_snd, m); 955 return (1); 956 } 957 958 static int 959 bwn_tx_start(struct bwn_softc *sc, struct ieee80211_node *ni, struct mbuf *m) 960 { 961 struct bwn_mac *mac = sc->sc_curmac; 962 int error; 963 964 BWN_ASSERT_LOCKED(sc); 965 966 if (m->m_pkthdr.len < IEEE80211_MIN_LEN || mac == NULL) { 967 m_freem(m); 968 return (ENXIO); 969 } 970 971 error = (mac->mac_flags & BWN_MAC_FLAG_DMA) ? 972 bwn_dma_tx_start(mac, ni, m) : bwn_pio_tx_start(mac, ni, m); 973 if (error) { 974 m_freem(m); 975 return (error); 976 } 977 return (0); 978 } 979 980 static int 981 bwn_pio_tx_start(struct bwn_mac *mac, struct ieee80211_node *ni, struct mbuf *m) 982 { 983 struct bwn_pio_txpkt *tp; 984 struct bwn_pio_txqueue *tq = bwn_pio_select(mac, M_WME_GETAC(m)); 985 struct bwn_softc *sc = mac->mac_sc; 986 struct bwn_txhdr txhdr; 987 struct mbuf *m_new; 988 uint32_t ctl32; 989 int error; 990 uint16_t ctl16; 991 992 BWN_ASSERT_LOCKED(sc); 993 994 /* XXX TODO send packets after DTIM */ 995 996 KASSERT(!TAILQ_EMPTY(&tq->tq_pktlist), ("%s: fail", __func__)); 997 tp = TAILQ_FIRST(&tq->tq_pktlist); 998 tp->tp_ni = ni; 999 tp->tp_m = m; 1000 1001 error = bwn_set_txhdr(mac, ni, m, &txhdr, BWN_PIO_COOKIE(tq, tp)); 1002 if (error) { 1003 device_printf(sc->sc_dev, "tx fail\n"); 1004 return (error); 1005 } 1006 1007 TAILQ_REMOVE(&tq->tq_pktlist, tp, tp_list); 1008 tq->tq_used += roundup(m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 1009 tq->tq_free--; 1010 1011 if (siba_get_revid(sc->sc_dev) >= 8) { 1012 /* 1013 * XXX please removes m_defrag(9) 1014 */ 1015 m_new = m_defrag(m, M_NOWAIT); 1016 if (m_new == NULL) { 1017 device_printf(sc->sc_dev, 1018 "%s: can't defrag TX buffer\n", 1019 __func__); 1020 return (ENOBUFS); 1021 } 1022 if (m_new->m_next != NULL) 1023 device_printf(sc->sc_dev, 1024 "TODO: fragmented packets for PIO\n"); 1025 tp->tp_m = m_new; 1026 1027 /* send HEADER */ 1028 ctl32 = bwn_pio_write_multi_4(mac, tq, 1029 (BWN_PIO_READ_4(mac, tq, BWN_PIO8_TXCTL) | 1030 BWN_PIO8_TXCTL_FRAMEREADY) & ~BWN_PIO8_TXCTL_EOF, 1031 (const uint8_t *)&txhdr, BWN_HDRSIZE(mac)); 1032 /* send BODY */ 1033 ctl32 = bwn_pio_write_multi_4(mac, tq, ctl32, 1034 mtod(m_new, const void *), m_new->m_pkthdr.len); 1035 bwn_pio_write_4(mac, tq, BWN_PIO_TXCTL, 1036 ctl32 | BWN_PIO8_TXCTL_EOF); 1037 } else { 1038 ctl16 = bwn_pio_write_multi_2(mac, tq, 1039 (bwn_pio_read_2(mac, tq, BWN_PIO_TXCTL) | 1040 BWN_PIO_TXCTL_FRAMEREADY) & ~BWN_PIO_TXCTL_EOF, 1041 (const uint8_t *)&txhdr, BWN_HDRSIZE(mac)); 1042 ctl16 = bwn_pio_write_mbuf_2(mac, tq, ctl16, m); 1043 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, 1044 ctl16 | BWN_PIO_TXCTL_EOF); 1045 } 1046 1047 return (0); 1048 } 1049 1050 static struct bwn_pio_txqueue * 1051 bwn_pio_select(struct bwn_mac *mac, uint8_t prio) 1052 { 1053 1054 if ((mac->mac_flags & BWN_MAC_FLAG_WME) == 0) 1055 return (&mac->mac_method.pio.wme[WME_AC_BE]); 1056 1057 switch (prio) { 1058 case 0: 1059 return (&mac->mac_method.pio.wme[WME_AC_BE]); 1060 case 1: 1061 return (&mac->mac_method.pio.wme[WME_AC_BK]); 1062 case 2: 1063 return (&mac->mac_method.pio.wme[WME_AC_VI]); 1064 case 3: 1065 return (&mac->mac_method.pio.wme[WME_AC_VO]); 1066 } 1067 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 1068 return (NULL); 1069 } 1070 1071 static int 1072 bwn_dma_tx_start(struct bwn_mac *mac, struct ieee80211_node *ni, struct mbuf *m) 1073 { 1074 #define BWN_GET_TXHDRCACHE(slot) \ 1075 &(txhdr_cache[(slot / BWN_TX_SLOTS_PER_FRAME) * BWN_HDRSIZE(mac)]) 1076 struct bwn_dma *dma = &mac->mac_method.dma; 1077 struct bwn_dma_ring *dr = bwn_dma_select(mac, M_WME_GETAC(m)); 1078 struct bwn_dmadesc_generic *desc; 1079 struct bwn_dmadesc_meta *mt; 1080 struct bwn_softc *sc = mac->mac_sc; 1081 uint8_t *txhdr_cache = (uint8_t *)dr->dr_txhdr_cache; 1082 int error, slot, backup[2] = { dr->dr_curslot, dr->dr_usedslot }; 1083 1084 BWN_ASSERT_LOCKED(sc); 1085 KASSERT(!dr->dr_stop, ("%s:%d: fail", __func__, __LINE__)); 1086 1087 /* XXX send after DTIM */ 1088 1089 slot = bwn_dma_getslot(dr); 1090 dr->getdesc(dr, slot, &desc, &mt); 1091 KASSERT(mt->mt_txtype == BWN_DMADESC_METATYPE_HEADER, 1092 ("%s:%d: fail", __func__, __LINE__)); 1093 1094 error = bwn_set_txhdr(dr->dr_mac, ni, m, 1095 (struct bwn_txhdr *)BWN_GET_TXHDRCACHE(slot), 1096 BWN_DMA_COOKIE(dr, slot)); 1097 if (error) 1098 goto fail; 1099 error = bus_dmamap_load(dr->dr_txring_dtag, mt->mt_dmap, 1100 BWN_GET_TXHDRCACHE(slot), BWN_HDRSIZE(mac), bwn_dma_ring_addr, 1101 &mt->mt_paddr, BUS_DMA_NOWAIT); 1102 if (error) { 1103 device_printf(sc->sc_dev, "%s: can't load TX buffer (1) %d\n", 1104 __func__, error); 1105 goto fail; 1106 } 1107 bus_dmamap_sync(dr->dr_txring_dtag, mt->mt_dmap, 1108 BUS_DMASYNC_PREWRITE); 1109 dr->setdesc(dr, desc, mt->mt_paddr, BWN_HDRSIZE(mac), 1, 0, 0); 1110 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 1111 BUS_DMASYNC_PREWRITE); 1112 1113 slot = bwn_dma_getslot(dr); 1114 dr->getdesc(dr, slot, &desc, &mt); 1115 KASSERT(mt->mt_txtype == BWN_DMADESC_METATYPE_BODY && 1116 mt->mt_islast == 1, ("%s:%d: fail", __func__, __LINE__)); 1117 mt->mt_m = m; 1118 mt->mt_ni = ni; 1119 1120 error = bus_dmamap_load_mbuf(dma->txbuf_dtag, mt->mt_dmap, m, 1121 bwn_dma_buf_addr, &mt->mt_paddr, BUS_DMA_NOWAIT); 1122 if (error && error != EFBIG) { 1123 device_printf(sc->sc_dev, "%s: can't load TX buffer (1) %d\n", 1124 __func__, error); 1125 goto fail; 1126 } 1127 if (error) { /* error == EFBIG */ 1128 struct mbuf *m_new; 1129 1130 m_new = m_defrag(m, M_NOWAIT); 1131 if (m_new == NULL) { 1132 device_printf(sc->sc_dev, 1133 "%s: can't defrag TX buffer\n", 1134 __func__); 1135 error = ENOBUFS; 1136 goto fail; 1137 } else { 1138 m = m_new; 1139 } 1140 1141 mt->mt_m = m; 1142 error = bus_dmamap_load_mbuf(dma->txbuf_dtag, mt->mt_dmap, 1143 m, bwn_dma_buf_addr, &mt->mt_paddr, BUS_DMA_NOWAIT); 1144 if (error) { 1145 device_printf(sc->sc_dev, 1146 "%s: can't load TX buffer (2) %d\n", 1147 __func__, error); 1148 goto fail; 1149 } 1150 } 1151 bus_dmamap_sync(dma->txbuf_dtag, mt->mt_dmap, BUS_DMASYNC_PREWRITE); 1152 dr->setdesc(dr, desc, mt->mt_paddr, m->m_pkthdr.len, 0, 1, 1); 1153 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 1154 BUS_DMASYNC_PREWRITE); 1155 1156 /* XXX send after DTIM */ 1157 1158 dr->start_transfer(dr, bwn_dma_nextslot(dr, slot)); 1159 return (0); 1160 fail: 1161 dr->dr_curslot = backup[0]; 1162 dr->dr_usedslot = backup[1]; 1163 return (error); 1164 #undef BWN_GET_TXHDRCACHE 1165 } 1166 1167 static void 1168 bwn_watchdog(void *arg) 1169 { 1170 struct bwn_softc *sc = arg; 1171 1172 if (sc->sc_watchdog_timer != 0 && --sc->sc_watchdog_timer == 0) { 1173 device_printf(sc->sc_dev, "device timeout\n"); 1174 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 1175 } 1176 callout_schedule(&sc->sc_watchdog_ch, hz); 1177 } 1178 1179 static int 1180 bwn_attach_core(struct bwn_mac *mac) 1181 { 1182 struct bwn_softc *sc = mac->mac_sc; 1183 int error, have_bg = 0, have_a = 0; 1184 uint32_t high; 1185 1186 KASSERT(siba_get_revid(sc->sc_dev) >= 5, 1187 ("unsupported revision %d", siba_get_revid(sc->sc_dev))); 1188 1189 siba_powerup(sc->sc_dev, 0); 1190 high = siba_read_4(sc->sc_dev, SIBA_TGSHIGH); 1191 have_a = (high & BWN_TGSHIGH_HAVE_5GHZ) ? 1 : 0; 1192 have_bg = (high & BWN_TGSHIGH_HAVE_2GHZ) ? 1 : 0; 1193 if (high & BWN_TGSHIGH_DUALPHY) { 1194 have_bg = 1; 1195 have_a = 1; 1196 } 1197 1198 #if 0 1199 device_printf(sc->sc_dev, "%s: high=0x%08x, have_a=%d, have_bg=%d," 1200 " deviceid=0x%04x, siba_deviceid=0x%04x\n", 1201 __func__, 1202 high, 1203 have_a, 1204 have_bg, 1205 siba_get_pci_device(sc->sc_dev), 1206 siba_get_chipid(sc->sc_dev)); 1207 #endif 1208 1209 /* 1210 * Guess at whether it has A-PHY or G-PHY. 1211 * This is just used for resetting the core to probe things; 1212 * we will re-guess once it's all up and working. 1213 */ 1214 bwn_reset_core(mac, have_bg); 1215 1216 /* 1217 * Get the PHY version. 1218 */ 1219 error = bwn_phy_getinfo(mac, have_bg); 1220 if (error) 1221 goto fail; 1222 1223 /* 1224 * This is the whitelist of devices which we "believe" 1225 * the SPROM PHY config from. The rest are "guessed". 1226 */ 1227 if (siba_get_pci_device(sc->sc_dev) != 0x4312 && 1228 siba_get_pci_device(sc->sc_dev) != 0x4315 && 1229 siba_get_pci_device(sc->sc_dev) != 0x4319 && 1230 siba_get_pci_device(sc->sc_dev) != 0x4324 && 1231 siba_get_pci_device(sc->sc_dev) != 0x4328 && 1232 siba_get_pci_device(sc->sc_dev) != 0x432b) { 1233 have_a = have_bg = 0; 1234 if (mac->mac_phy.type == BWN_PHYTYPE_A) 1235 have_a = 1; 1236 else if (mac->mac_phy.type == BWN_PHYTYPE_G || 1237 mac->mac_phy.type == BWN_PHYTYPE_N || 1238 mac->mac_phy.type == BWN_PHYTYPE_LP) 1239 have_bg = 1; 1240 else 1241 KASSERT(0 == 1, ("%s: unknown phy type (%d)", __func__, 1242 mac->mac_phy.type)); 1243 } 1244 1245 /* 1246 * XXX The PHY-G support doesn't do 5GHz operation. 1247 */ 1248 if (mac->mac_phy.type != BWN_PHYTYPE_LP && 1249 mac->mac_phy.type != BWN_PHYTYPE_N) { 1250 device_printf(sc->sc_dev, 1251 "%s: forcing 2GHz only; no dual-band support for PHY\n", 1252 __func__); 1253 have_a = 0; 1254 have_bg = 1; 1255 } 1256 1257 mac->mac_phy.phy_n = NULL; 1258 1259 if (mac->mac_phy.type == BWN_PHYTYPE_G) { 1260 mac->mac_phy.attach = bwn_phy_g_attach; 1261 mac->mac_phy.detach = bwn_phy_g_detach; 1262 mac->mac_phy.prepare_hw = bwn_phy_g_prepare_hw; 1263 mac->mac_phy.init_pre = bwn_phy_g_init_pre; 1264 mac->mac_phy.init = bwn_phy_g_init; 1265 mac->mac_phy.exit = bwn_phy_g_exit; 1266 mac->mac_phy.phy_read = bwn_phy_g_read; 1267 mac->mac_phy.phy_write = bwn_phy_g_write; 1268 mac->mac_phy.rf_read = bwn_phy_g_rf_read; 1269 mac->mac_phy.rf_write = bwn_phy_g_rf_write; 1270 mac->mac_phy.use_hwpctl = bwn_phy_g_hwpctl; 1271 mac->mac_phy.rf_onoff = bwn_phy_g_rf_onoff; 1272 mac->mac_phy.switch_analog = bwn_phy_switch_analog; 1273 mac->mac_phy.switch_channel = bwn_phy_g_switch_channel; 1274 mac->mac_phy.get_default_chan = bwn_phy_g_get_default_chan; 1275 mac->mac_phy.set_antenna = bwn_phy_g_set_antenna; 1276 mac->mac_phy.set_im = bwn_phy_g_im; 1277 mac->mac_phy.recalc_txpwr = bwn_phy_g_recalc_txpwr; 1278 mac->mac_phy.set_txpwr = bwn_phy_g_set_txpwr; 1279 mac->mac_phy.task_15s = bwn_phy_g_task_15s; 1280 mac->mac_phy.task_60s = bwn_phy_g_task_60s; 1281 } else if (mac->mac_phy.type == BWN_PHYTYPE_LP) { 1282 mac->mac_phy.init_pre = bwn_phy_lp_init_pre; 1283 mac->mac_phy.init = bwn_phy_lp_init; 1284 mac->mac_phy.phy_read = bwn_phy_lp_read; 1285 mac->mac_phy.phy_write = bwn_phy_lp_write; 1286 mac->mac_phy.phy_maskset = bwn_phy_lp_maskset; 1287 mac->mac_phy.rf_read = bwn_phy_lp_rf_read; 1288 mac->mac_phy.rf_write = bwn_phy_lp_rf_write; 1289 mac->mac_phy.rf_onoff = bwn_phy_lp_rf_onoff; 1290 mac->mac_phy.switch_analog = bwn_phy_lp_switch_analog; 1291 mac->mac_phy.switch_channel = bwn_phy_lp_switch_channel; 1292 mac->mac_phy.get_default_chan = bwn_phy_lp_get_default_chan; 1293 mac->mac_phy.set_antenna = bwn_phy_lp_set_antenna; 1294 mac->mac_phy.task_60s = bwn_phy_lp_task_60s; 1295 } else if (mac->mac_phy.type == BWN_PHYTYPE_N) { 1296 mac->mac_phy.attach = bwn_phy_n_attach; 1297 mac->mac_phy.detach = bwn_phy_n_detach; 1298 mac->mac_phy.prepare_hw = bwn_phy_n_prepare_hw; 1299 mac->mac_phy.init_pre = bwn_phy_n_init_pre; 1300 mac->mac_phy.init = bwn_phy_n_init; 1301 mac->mac_phy.exit = bwn_phy_n_exit; 1302 mac->mac_phy.phy_read = bwn_phy_n_read; 1303 mac->mac_phy.phy_write = bwn_phy_n_write; 1304 mac->mac_phy.rf_read = bwn_phy_n_rf_read; 1305 mac->mac_phy.rf_write = bwn_phy_n_rf_write; 1306 mac->mac_phy.use_hwpctl = bwn_phy_n_hwpctl; 1307 mac->mac_phy.rf_onoff = bwn_phy_n_rf_onoff; 1308 mac->mac_phy.switch_analog = bwn_phy_n_switch_analog; 1309 mac->mac_phy.switch_channel = bwn_phy_n_switch_channel; 1310 mac->mac_phy.get_default_chan = bwn_phy_n_get_default_chan; 1311 mac->mac_phy.set_antenna = bwn_phy_n_set_antenna; 1312 mac->mac_phy.set_im = bwn_phy_n_im; 1313 mac->mac_phy.recalc_txpwr = bwn_phy_n_recalc_txpwr; 1314 mac->mac_phy.set_txpwr = bwn_phy_n_set_txpwr; 1315 mac->mac_phy.task_15s = bwn_phy_n_task_15s; 1316 mac->mac_phy.task_60s = bwn_phy_n_task_60s; 1317 } else { 1318 device_printf(sc->sc_dev, "unsupported PHY type (%d)\n", 1319 mac->mac_phy.type); 1320 error = ENXIO; 1321 goto fail; 1322 } 1323 1324 mac->mac_phy.gmode = have_bg; 1325 if (mac->mac_phy.attach != NULL) { 1326 error = mac->mac_phy.attach(mac); 1327 if (error) { 1328 device_printf(sc->sc_dev, "failed\n"); 1329 goto fail; 1330 } 1331 } 1332 1333 bwn_reset_core(mac, have_bg); 1334 1335 error = bwn_chiptest(mac); 1336 if (error) 1337 goto fail; 1338 error = bwn_setup_channels(mac, have_bg, have_a); 1339 if (error) { 1340 device_printf(sc->sc_dev, "failed to setup channels\n"); 1341 goto fail; 1342 } 1343 1344 if (sc->sc_curmac == NULL) 1345 sc->sc_curmac = mac; 1346 1347 error = bwn_dma_attach(mac); 1348 if (error != 0) { 1349 device_printf(sc->sc_dev, "failed to initialize DMA\n"); 1350 goto fail; 1351 } 1352 1353 mac->mac_phy.switch_analog(mac, 0); 1354 1355 siba_dev_down(sc->sc_dev, 0); 1356 fail: 1357 siba_powerdown(sc->sc_dev); 1358 bwn_release_firmware(mac); 1359 return (error); 1360 } 1361 1362 /* 1363 * Reset - SIBA. 1364 */ 1365 void 1366 bwn_reset_core(struct bwn_mac *mac, int g_mode) 1367 { 1368 struct bwn_softc *sc = mac->mac_sc; 1369 uint32_t low, ctl; 1370 uint32_t flags = 0; 1371 1372 DPRINTF(sc, BWN_DEBUG_RESET, "%s: g_mode=%d\n", __func__, g_mode); 1373 1374 flags |= (BWN_TGSLOW_PHYCLOCK_ENABLE | BWN_TGSLOW_PHYRESET); 1375 if (g_mode) 1376 flags |= BWN_TGSLOW_SUPPORT_G; 1377 1378 /* XXX N-PHY only; and hard-code to 20MHz for now */ 1379 if (mac->mac_phy.type == BWN_PHYTYPE_N) 1380 flags |= BWN_TGSLOW_PHY_BANDWIDTH_20MHZ; 1381 1382 siba_dev_up(sc->sc_dev, flags); 1383 DELAY(2000); 1384 1385 /* Take PHY out of reset */ 1386 low = (siba_read_4(sc->sc_dev, SIBA_TGSLOW) | SIBA_TGSLOW_FGC) & 1387 ~(BWN_TGSLOW_PHYRESET | BWN_TGSLOW_PHYCLOCK_ENABLE); 1388 siba_write_4(sc->sc_dev, SIBA_TGSLOW, low); 1389 siba_read_4(sc->sc_dev, SIBA_TGSLOW); 1390 DELAY(2000); 1391 low &= ~SIBA_TGSLOW_FGC; 1392 low |= BWN_TGSLOW_PHYCLOCK_ENABLE; 1393 siba_write_4(sc->sc_dev, SIBA_TGSLOW, low); 1394 siba_read_4(sc->sc_dev, SIBA_TGSLOW); 1395 DELAY(2000); 1396 1397 if (mac->mac_phy.switch_analog != NULL) 1398 mac->mac_phy.switch_analog(mac, 1); 1399 1400 ctl = BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_GMODE; 1401 if (g_mode) 1402 ctl |= BWN_MACCTL_GMODE; 1403 BWN_WRITE_4(mac, BWN_MACCTL, ctl | BWN_MACCTL_IHR_ON); 1404 } 1405 1406 static int 1407 bwn_phy_getinfo(struct bwn_mac *mac, int gmode) 1408 { 1409 struct bwn_phy *phy = &mac->mac_phy; 1410 struct bwn_softc *sc = mac->mac_sc; 1411 uint32_t tmp; 1412 1413 /* PHY */ 1414 tmp = BWN_READ_2(mac, BWN_PHYVER); 1415 phy->gmode = gmode; 1416 phy->rf_on = 1; 1417 phy->analog = (tmp & BWN_PHYVER_ANALOG) >> 12; 1418 phy->type = (tmp & BWN_PHYVER_TYPE) >> 8; 1419 phy->rev = (tmp & BWN_PHYVER_VERSION); 1420 if ((phy->type == BWN_PHYTYPE_A && phy->rev >= 4) || 1421 (phy->type == BWN_PHYTYPE_B && phy->rev != 2 && 1422 phy->rev != 4 && phy->rev != 6 && phy->rev != 7) || 1423 (phy->type == BWN_PHYTYPE_G && phy->rev > 9) || 1424 (phy->type == BWN_PHYTYPE_N && phy->rev > 4) || 1425 (phy->type == BWN_PHYTYPE_LP && phy->rev > 2)) 1426 goto unsupphy; 1427 1428 /* RADIO */ 1429 if (siba_get_chipid(sc->sc_dev) == 0x4317) { 1430 if (siba_get_chiprev(sc->sc_dev) == 0) 1431 tmp = 0x3205017f; 1432 else if (siba_get_chiprev(sc->sc_dev) == 1) 1433 tmp = 0x4205017f; 1434 else 1435 tmp = 0x5205017f; 1436 } else { 1437 BWN_WRITE_2(mac, BWN_RFCTL, BWN_RFCTL_ID); 1438 tmp = BWN_READ_2(mac, BWN_RFDATALO); 1439 BWN_WRITE_2(mac, BWN_RFCTL, BWN_RFCTL_ID); 1440 tmp |= (uint32_t)BWN_READ_2(mac, BWN_RFDATAHI) << 16; 1441 } 1442 phy->rf_rev = (tmp & 0xf0000000) >> 28; 1443 phy->rf_ver = (tmp & 0x0ffff000) >> 12; 1444 phy->rf_manuf = (tmp & 0x00000fff); 1445 1446 /* 1447 * For now, just always do full init (ie, what bwn has traditionally 1448 * done) 1449 */ 1450 phy->phy_do_full_init = 1; 1451 1452 if (phy->rf_manuf != 0x17f) /* 0x17f is broadcom */ 1453 goto unsupradio; 1454 if ((phy->type == BWN_PHYTYPE_A && (phy->rf_ver != 0x2060 || 1455 phy->rf_rev != 1 || phy->rf_manuf != 0x17f)) || 1456 (phy->type == BWN_PHYTYPE_B && (phy->rf_ver & 0xfff0) != 0x2050) || 1457 (phy->type == BWN_PHYTYPE_G && phy->rf_ver != 0x2050) || 1458 (phy->type == BWN_PHYTYPE_N && 1459 phy->rf_ver != 0x2055 && phy->rf_ver != 0x2056) || 1460 (phy->type == BWN_PHYTYPE_LP && 1461 phy->rf_ver != 0x2062 && phy->rf_ver != 0x2063)) 1462 goto unsupradio; 1463 1464 return (0); 1465 unsupphy: 1466 device_printf(sc->sc_dev, "unsupported PHY (type %#x, rev %#x, " 1467 "analog %#x)\n", 1468 phy->type, phy->rev, phy->analog); 1469 return (ENXIO); 1470 unsupradio: 1471 device_printf(sc->sc_dev, "unsupported radio (manuf %#x, ver %#x, " 1472 "rev %#x)\n", 1473 phy->rf_manuf, phy->rf_ver, phy->rf_rev); 1474 return (ENXIO); 1475 } 1476 1477 static int 1478 bwn_chiptest(struct bwn_mac *mac) 1479 { 1480 #define TESTVAL0 0x55aaaa55 1481 #define TESTVAL1 0xaa5555aa 1482 struct bwn_softc *sc = mac->mac_sc; 1483 uint32_t v, backup; 1484 1485 BWN_LOCK(sc); 1486 1487 backup = bwn_shm_read_4(mac, BWN_SHARED, 0); 1488 1489 bwn_shm_write_4(mac, BWN_SHARED, 0, TESTVAL0); 1490 if (bwn_shm_read_4(mac, BWN_SHARED, 0) != TESTVAL0) 1491 goto error; 1492 bwn_shm_write_4(mac, BWN_SHARED, 0, TESTVAL1); 1493 if (bwn_shm_read_4(mac, BWN_SHARED, 0) != TESTVAL1) 1494 goto error; 1495 1496 bwn_shm_write_4(mac, BWN_SHARED, 0, backup); 1497 1498 if ((siba_get_revid(sc->sc_dev) >= 3) && 1499 (siba_get_revid(sc->sc_dev) <= 10)) { 1500 BWN_WRITE_2(mac, BWN_TSF_CFP_START, 0xaaaa); 1501 BWN_WRITE_4(mac, BWN_TSF_CFP_START, 0xccccbbbb); 1502 if (BWN_READ_2(mac, BWN_TSF_CFP_START_LOW) != 0xbbbb) 1503 goto error; 1504 if (BWN_READ_2(mac, BWN_TSF_CFP_START_HIGH) != 0xcccc) 1505 goto error; 1506 } 1507 BWN_WRITE_4(mac, BWN_TSF_CFP_START, 0); 1508 1509 v = BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_GMODE; 1510 if (v != (BWN_MACCTL_GMODE | BWN_MACCTL_IHR_ON)) 1511 goto error; 1512 1513 BWN_UNLOCK(sc); 1514 return (0); 1515 error: 1516 BWN_UNLOCK(sc); 1517 device_printf(sc->sc_dev, "failed to validate the chipaccess\n"); 1518 return (ENODEV); 1519 } 1520 1521 static int 1522 bwn_setup_channels(struct bwn_mac *mac, int have_bg, int have_a) 1523 { 1524 struct bwn_softc *sc = mac->mac_sc; 1525 struct ieee80211com *ic = &sc->sc_ic; 1526 uint8_t bands[IEEE80211_MODE_BYTES]; 1527 1528 memset(ic->ic_channels, 0, sizeof(ic->ic_channels)); 1529 ic->ic_nchans = 0; 1530 1531 DPRINTF(sc, BWN_DEBUG_EEPROM, "%s: called; bg=%d, a=%d\n", 1532 __func__, 1533 have_bg, 1534 have_a); 1535 1536 if (have_bg) { 1537 memset(bands, 0, sizeof(bands)); 1538 setbit(bands, IEEE80211_MODE_11B); 1539 setbit(bands, IEEE80211_MODE_11G); 1540 bwn_addchannels(ic->ic_channels, IEEE80211_CHAN_MAX, 1541 &ic->ic_nchans, &bwn_chantable_bg, bands); 1542 } 1543 1544 if (have_a) { 1545 memset(bands, 0, sizeof(bands)); 1546 setbit(bands, IEEE80211_MODE_11A); 1547 bwn_addchannels(ic->ic_channels, IEEE80211_CHAN_MAX, 1548 &ic->ic_nchans, &bwn_chantable_a, bands); 1549 } 1550 1551 mac->mac_phy.supports_2ghz = have_bg; 1552 mac->mac_phy.supports_5ghz = have_a; 1553 1554 return (ic->ic_nchans == 0 ? ENXIO : 0); 1555 } 1556 1557 uint32_t 1558 bwn_shm_read_4(struct bwn_mac *mac, uint16_t way, uint16_t offset) 1559 { 1560 uint32_t ret; 1561 1562 BWN_ASSERT_LOCKED(mac->mac_sc); 1563 1564 if (way == BWN_SHARED) { 1565 KASSERT((offset & 0x0001) == 0, 1566 ("%s:%d warn", __func__, __LINE__)); 1567 if (offset & 0x0003) { 1568 bwn_shm_ctlword(mac, way, offset >> 2); 1569 ret = BWN_READ_2(mac, BWN_SHM_DATA_UNALIGNED); 1570 ret <<= 16; 1571 bwn_shm_ctlword(mac, way, (offset >> 2) + 1); 1572 ret |= BWN_READ_2(mac, BWN_SHM_DATA); 1573 goto out; 1574 } 1575 offset >>= 2; 1576 } 1577 bwn_shm_ctlword(mac, way, offset); 1578 ret = BWN_READ_4(mac, BWN_SHM_DATA); 1579 out: 1580 return (ret); 1581 } 1582 1583 uint16_t 1584 bwn_shm_read_2(struct bwn_mac *mac, uint16_t way, uint16_t offset) 1585 { 1586 uint16_t ret; 1587 1588 BWN_ASSERT_LOCKED(mac->mac_sc); 1589 1590 if (way == BWN_SHARED) { 1591 KASSERT((offset & 0x0001) == 0, 1592 ("%s:%d warn", __func__, __LINE__)); 1593 if (offset & 0x0003) { 1594 bwn_shm_ctlword(mac, way, offset >> 2); 1595 ret = BWN_READ_2(mac, BWN_SHM_DATA_UNALIGNED); 1596 goto out; 1597 } 1598 offset >>= 2; 1599 } 1600 bwn_shm_ctlword(mac, way, offset); 1601 ret = BWN_READ_2(mac, BWN_SHM_DATA); 1602 out: 1603 1604 return (ret); 1605 } 1606 1607 static void 1608 bwn_shm_ctlword(struct bwn_mac *mac, uint16_t way, 1609 uint16_t offset) 1610 { 1611 uint32_t control; 1612 1613 control = way; 1614 control <<= 16; 1615 control |= offset; 1616 BWN_WRITE_4(mac, BWN_SHM_CONTROL, control); 1617 } 1618 1619 void 1620 bwn_shm_write_4(struct bwn_mac *mac, uint16_t way, uint16_t offset, 1621 uint32_t value) 1622 { 1623 BWN_ASSERT_LOCKED(mac->mac_sc); 1624 1625 if (way == BWN_SHARED) { 1626 KASSERT((offset & 0x0001) == 0, 1627 ("%s:%d warn", __func__, __LINE__)); 1628 if (offset & 0x0003) { 1629 bwn_shm_ctlword(mac, way, offset >> 2); 1630 BWN_WRITE_2(mac, BWN_SHM_DATA_UNALIGNED, 1631 (value >> 16) & 0xffff); 1632 bwn_shm_ctlword(mac, way, (offset >> 2) + 1); 1633 BWN_WRITE_2(mac, BWN_SHM_DATA, value & 0xffff); 1634 return; 1635 } 1636 offset >>= 2; 1637 } 1638 bwn_shm_ctlword(mac, way, offset); 1639 BWN_WRITE_4(mac, BWN_SHM_DATA, value); 1640 } 1641 1642 void 1643 bwn_shm_write_2(struct bwn_mac *mac, uint16_t way, uint16_t offset, 1644 uint16_t value) 1645 { 1646 BWN_ASSERT_LOCKED(mac->mac_sc); 1647 1648 if (way == BWN_SHARED) { 1649 KASSERT((offset & 0x0001) == 0, 1650 ("%s:%d warn", __func__, __LINE__)); 1651 if (offset & 0x0003) { 1652 bwn_shm_ctlword(mac, way, offset >> 2); 1653 BWN_WRITE_2(mac, BWN_SHM_DATA_UNALIGNED, value); 1654 return; 1655 } 1656 offset >>= 2; 1657 } 1658 bwn_shm_ctlword(mac, way, offset); 1659 BWN_WRITE_2(mac, BWN_SHM_DATA, value); 1660 } 1661 1662 static void 1663 bwn_addchannels(struct ieee80211_channel chans[], int maxchans, int *nchans, 1664 const struct bwn_channelinfo *ci, const uint8_t bands[]) 1665 { 1666 int i, error; 1667 1668 for (i = 0, error = 0; i < ci->nchannels && error == 0; i++) { 1669 const struct bwn_channel *hc = &ci->channels[i]; 1670 1671 error = ieee80211_add_channel(chans, maxchans, nchans, 1672 hc->ieee, hc->freq, hc->maxTxPow, 0, bands); 1673 } 1674 } 1675 1676 static int 1677 bwn_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1678 const struct ieee80211_bpf_params *params) 1679 { 1680 struct ieee80211com *ic = ni->ni_ic; 1681 struct bwn_softc *sc = ic->ic_softc; 1682 struct bwn_mac *mac = sc->sc_curmac; 1683 int error; 1684 1685 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0 || 1686 mac->mac_status < BWN_MAC_STATUS_STARTED) { 1687 m_freem(m); 1688 return (ENETDOWN); 1689 } 1690 1691 BWN_LOCK(sc); 1692 if (bwn_tx_isfull(sc, m)) { 1693 m_freem(m); 1694 BWN_UNLOCK(sc); 1695 return (ENOBUFS); 1696 } 1697 1698 error = bwn_tx_start(sc, ni, m); 1699 if (error == 0) 1700 sc->sc_watchdog_timer = 5; 1701 BWN_UNLOCK(sc); 1702 return (error); 1703 } 1704 1705 /* 1706 * Callback from the 802.11 layer to update the slot time 1707 * based on the current setting. We use it to notify the 1708 * firmware of ERP changes and the f/w takes care of things 1709 * like slot time and preamble. 1710 */ 1711 static void 1712 bwn_updateslot(struct ieee80211com *ic) 1713 { 1714 struct bwn_softc *sc = ic->ic_softc; 1715 struct bwn_mac *mac; 1716 1717 BWN_LOCK(sc); 1718 if (sc->sc_flags & BWN_FLAG_RUNNING) { 1719 mac = (struct bwn_mac *)sc->sc_curmac; 1720 bwn_set_slot_time(mac, IEEE80211_GET_SLOTTIME(ic)); 1721 } 1722 BWN_UNLOCK(sc); 1723 } 1724 1725 /* 1726 * Callback from the 802.11 layer after a promiscuous mode change. 1727 * Note this interface does not check the operating mode as this 1728 * is an internal callback and we are expected to honor the current 1729 * state (e.g. this is used for setting the interface in promiscuous 1730 * mode when operating in hostap mode to do ACS). 1731 */ 1732 static void 1733 bwn_update_promisc(struct ieee80211com *ic) 1734 { 1735 struct bwn_softc *sc = ic->ic_softc; 1736 struct bwn_mac *mac = sc->sc_curmac; 1737 1738 BWN_LOCK(sc); 1739 mac = sc->sc_curmac; 1740 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1741 if (ic->ic_promisc > 0) 1742 sc->sc_filters |= BWN_MACCTL_PROMISC; 1743 else 1744 sc->sc_filters &= ~BWN_MACCTL_PROMISC; 1745 bwn_set_opmode(mac); 1746 } 1747 BWN_UNLOCK(sc); 1748 } 1749 1750 /* 1751 * Callback from the 802.11 layer to update WME parameters. 1752 */ 1753 static int 1754 bwn_wme_update(struct ieee80211com *ic) 1755 { 1756 struct bwn_softc *sc = ic->ic_softc; 1757 struct bwn_mac *mac = sc->sc_curmac; 1758 struct wmeParams *wmep; 1759 int i; 1760 1761 BWN_LOCK(sc); 1762 mac = sc->sc_curmac; 1763 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1764 bwn_mac_suspend(mac); 1765 for (i = 0; i < N(sc->sc_wmeParams); i++) { 1766 wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[i]; 1767 bwn_wme_loadparams(mac, wmep, bwn_wme_shm_offsets[i]); 1768 } 1769 bwn_mac_enable(mac); 1770 } 1771 BWN_UNLOCK(sc); 1772 return (0); 1773 } 1774 1775 static void 1776 bwn_scan_start(struct ieee80211com *ic) 1777 { 1778 struct bwn_softc *sc = ic->ic_softc; 1779 struct bwn_mac *mac; 1780 1781 BWN_LOCK(sc); 1782 mac = sc->sc_curmac; 1783 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1784 sc->sc_filters |= BWN_MACCTL_BEACON_PROMISC; 1785 bwn_set_opmode(mac); 1786 /* disable CFP update during scan */ 1787 bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_SKIP_CFP_UPDATE); 1788 } 1789 BWN_UNLOCK(sc); 1790 } 1791 1792 static void 1793 bwn_scan_end(struct ieee80211com *ic) 1794 { 1795 struct bwn_softc *sc = ic->ic_softc; 1796 struct bwn_mac *mac; 1797 1798 BWN_LOCK(sc); 1799 mac = sc->sc_curmac; 1800 if (mac != NULL && mac->mac_status >= BWN_MAC_STATUS_INITED) { 1801 sc->sc_filters &= ~BWN_MACCTL_BEACON_PROMISC; 1802 bwn_set_opmode(mac); 1803 bwn_hf_write(mac, bwn_hf_read(mac) & ~BWN_HF_SKIP_CFP_UPDATE); 1804 } 1805 BWN_UNLOCK(sc); 1806 } 1807 1808 static void 1809 bwn_set_channel(struct ieee80211com *ic) 1810 { 1811 struct bwn_softc *sc = ic->ic_softc; 1812 struct bwn_mac *mac = sc->sc_curmac; 1813 struct bwn_phy *phy = &mac->mac_phy; 1814 int chan, error; 1815 1816 BWN_LOCK(sc); 1817 1818 error = bwn_switch_band(sc, ic->ic_curchan); 1819 if (error) 1820 goto fail; 1821 bwn_mac_suspend(mac); 1822 bwn_set_txretry(mac, BWN_RETRY_SHORT, BWN_RETRY_LONG); 1823 chan = ieee80211_chan2ieee(ic, ic->ic_curchan); 1824 if (chan != phy->chan) 1825 bwn_switch_channel(mac, chan); 1826 1827 /* TX power level */ 1828 if (ic->ic_curchan->ic_maxpower != 0 && 1829 ic->ic_curchan->ic_maxpower != phy->txpower) { 1830 phy->txpower = ic->ic_curchan->ic_maxpower / 2; 1831 bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME | 1832 BWN_TXPWR_IGNORE_TSSI); 1833 } 1834 1835 bwn_set_txantenna(mac, BWN_ANT_DEFAULT); 1836 if (phy->set_antenna) 1837 phy->set_antenna(mac, BWN_ANT_DEFAULT); 1838 1839 if (sc->sc_rf_enabled != phy->rf_on) { 1840 if (sc->sc_rf_enabled) { 1841 bwn_rf_turnon(mac); 1842 if (!(mac->mac_flags & BWN_MAC_FLAG_RADIO_ON)) 1843 device_printf(sc->sc_dev, 1844 "please turn on the RF switch\n"); 1845 } else 1846 bwn_rf_turnoff(mac); 1847 } 1848 1849 bwn_mac_enable(mac); 1850 1851 fail: 1852 /* 1853 * Setup radio tap channel freq and flags 1854 */ 1855 sc->sc_tx_th.wt_chan_freq = sc->sc_rx_th.wr_chan_freq = 1856 htole16(ic->ic_curchan->ic_freq); 1857 sc->sc_tx_th.wt_chan_flags = sc->sc_rx_th.wr_chan_flags = 1858 htole16(ic->ic_curchan->ic_flags & 0xffff); 1859 1860 BWN_UNLOCK(sc); 1861 } 1862 1863 static struct ieee80211vap * 1864 bwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 1865 enum ieee80211_opmode opmode, int flags, 1866 const uint8_t bssid[IEEE80211_ADDR_LEN], 1867 const uint8_t mac[IEEE80211_ADDR_LEN]) 1868 { 1869 struct ieee80211vap *vap; 1870 struct bwn_vap *bvp; 1871 1872 switch (opmode) { 1873 case IEEE80211_M_HOSTAP: 1874 case IEEE80211_M_MBSS: 1875 case IEEE80211_M_STA: 1876 case IEEE80211_M_WDS: 1877 case IEEE80211_M_MONITOR: 1878 case IEEE80211_M_IBSS: 1879 case IEEE80211_M_AHDEMO: 1880 break; 1881 default: 1882 return (NULL); 1883 } 1884 1885 bvp = malloc(sizeof(struct bwn_vap), M_80211_VAP, M_WAITOK | M_ZERO); 1886 vap = &bvp->bv_vap; 1887 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 1888 /* override with driver methods */ 1889 bvp->bv_newstate = vap->iv_newstate; 1890 vap->iv_newstate = bwn_newstate; 1891 1892 /* override max aid so sta's cannot assoc when we're out of sta id's */ 1893 vap->iv_max_aid = BWN_STAID_MAX; 1894 1895 ieee80211_ratectl_init(vap); 1896 1897 /* complete setup */ 1898 ieee80211_vap_attach(vap, ieee80211_media_change, 1899 ieee80211_media_status, mac); 1900 return (vap); 1901 } 1902 1903 static void 1904 bwn_vap_delete(struct ieee80211vap *vap) 1905 { 1906 struct bwn_vap *bvp = BWN_VAP(vap); 1907 1908 ieee80211_ratectl_deinit(vap); 1909 ieee80211_vap_detach(vap); 1910 free(bvp, M_80211_VAP); 1911 } 1912 1913 static int 1914 bwn_init(struct bwn_softc *sc) 1915 { 1916 struct bwn_mac *mac; 1917 int error; 1918 1919 BWN_ASSERT_LOCKED(sc); 1920 1921 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 1922 1923 bzero(sc->sc_bssid, IEEE80211_ADDR_LEN); 1924 sc->sc_flags |= BWN_FLAG_NEED_BEACON_TP; 1925 sc->sc_filters = 0; 1926 bwn_wme_clear(sc); 1927 sc->sc_beacons[0] = sc->sc_beacons[1] = 0; 1928 sc->sc_rf_enabled = 1; 1929 1930 mac = sc->sc_curmac; 1931 if (mac->mac_status == BWN_MAC_STATUS_UNINIT) { 1932 error = bwn_core_init(mac); 1933 if (error != 0) 1934 return (error); 1935 } 1936 if (mac->mac_status == BWN_MAC_STATUS_INITED) 1937 bwn_core_start(mac); 1938 1939 bwn_set_opmode(mac); 1940 bwn_set_pretbtt(mac); 1941 bwn_spu_setdelay(mac, 0); 1942 bwn_set_macaddr(mac); 1943 1944 sc->sc_flags |= BWN_FLAG_RUNNING; 1945 callout_reset(&sc->sc_rfswitch_ch, hz, bwn_rfswitch, sc); 1946 callout_reset(&sc->sc_watchdog_ch, hz, bwn_watchdog, sc); 1947 1948 return (0); 1949 } 1950 1951 static void 1952 bwn_stop(struct bwn_softc *sc) 1953 { 1954 struct bwn_mac *mac = sc->sc_curmac; 1955 1956 BWN_ASSERT_LOCKED(sc); 1957 1958 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 1959 1960 if (mac->mac_status >= BWN_MAC_STATUS_INITED) { 1961 /* XXX FIXME opmode not based on VAP */ 1962 bwn_set_opmode(mac); 1963 bwn_set_macaddr(mac); 1964 } 1965 1966 if (mac->mac_status >= BWN_MAC_STATUS_STARTED) 1967 bwn_core_stop(mac); 1968 1969 callout_stop(&sc->sc_led_blink_ch); 1970 sc->sc_led_blinking = 0; 1971 1972 bwn_core_exit(mac); 1973 sc->sc_rf_enabled = 0; 1974 1975 sc->sc_flags &= ~BWN_FLAG_RUNNING; 1976 } 1977 1978 static void 1979 bwn_wme_clear(struct bwn_softc *sc) 1980 { 1981 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 1982 struct wmeParams *p; 1983 unsigned int i; 1984 1985 KASSERT(N(bwn_wme_shm_offsets) == N(sc->sc_wmeParams), 1986 ("%s:%d: fail", __func__, __LINE__)); 1987 1988 for (i = 0; i < N(sc->sc_wmeParams); i++) { 1989 p = &(sc->sc_wmeParams[i]); 1990 1991 switch (bwn_wme_shm_offsets[i]) { 1992 case BWN_WME_VOICE: 1993 p->wmep_txopLimit = 0; 1994 p->wmep_aifsn = 2; 1995 /* XXX FIXME: log2(cwmin) */ 1996 p->wmep_logcwmin = MS(0x0001, WME_PARAM_LOGCWMIN); 1997 p->wmep_logcwmax = MS(0x0001, WME_PARAM_LOGCWMAX); 1998 break; 1999 case BWN_WME_VIDEO: 2000 p->wmep_txopLimit = 0; 2001 p->wmep_aifsn = 2; 2002 /* XXX FIXME: log2(cwmin) */ 2003 p->wmep_logcwmin = MS(0x0001, WME_PARAM_LOGCWMIN); 2004 p->wmep_logcwmax = MS(0x0001, WME_PARAM_LOGCWMAX); 2005 break; 2006 case BWN_WME_BESTEFFORT: 2007 p->wmep_txopLimit = 0; 2008 p->wmep_aifsn = 3; 2009 /* XXX FIXME: log2(cwmin) */ 2010 p->wmep_logcwmin = MS(0x0001, WME_PARAM_LOGCWMIN); 2011 p->wmep_logcwmax = MS(0x03ff, WME_PARAM_LOGCWMAX); 2012 break; 2013 case BWN_WME_BACKGROUND: 2014 p->wmep_txopLimit = 0; 2015 p->wmep_aifsn = 7; 2016 /* XXX FIXME: log2(cwmin) */ 2017 p->wmep_logcwmin = MS(0x0001, WME_PARAM_LOGCWMIN); 2018 p->wmep_logcwmax = MS(0x03ff, WME_PARAM_LOGCWMAX); 2019 break; 2020 default: 2021 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2022 } 2023 } 2024 } 2025 2026 static int 2027 bwn_core_init(struct bwn_mac *mac) 2028 { 2029 struct bwn_softc *sc = mac->mac_sc; 2030 uint64_t hf; 2031 int error; 2032 2033 KASSERT(mac->mac_status == BWN_MAC_STATUS_UNINIT, 2034 ("%s:%d: fail", __func__, __LINE__)); 2035 2036 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 2037 2038 siba_powerup(sc->sc_dev, 0); 2039 if (!siba_dev_isup(sc->sc_dev)) 2040 bwn_reset_core(mac, mac->mac_phy.gmode); 2041 2042 mac->mac_flags &= ~BWN_MAC_FLAG_DFQVALID; 2043 mac->mac_flags |= BWN_MAC_FLAG_RADIO_ON; 2044 mac->mac_phy.hwpctl = (bwn_hwpctl) ? 1 : 0; 2045 BWN_GETTIME(mac->mac_phy.nexttime); 2046 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 2047 bzero(&mac->mac_stats, sizeof(mac->mac_stats)); 2048 mac->mac_stats.link_noise = -95; 2049 mac->mac_reason_intr = 0; 2050 bzero(mac->mac_reason, sizeof(mac->mac_reason)); 2051 mac->mac_intr_mask = BWN_INTR_MASKTEMPLATE; 2052 #ifdef BWN_DEBUG 2053 if (sc->sc_debug & BWN_DEBUG_XMIT) 2054 mac->mac_intr_mask &= ~BWN_INTR_PHY_TXERR; 2055 #endif 2056 mac->mac_suspended = 1; 2057 mac->mac_task_state = 0; 2058 memset(&mac->mac_noise, 0, sizeof(mac->mac_noise)); 2059 2060 mac->mac_phy.init_pre(mac); 2061 2062 siba_pcicore_intr(sc->sc_dev); 2063 2064 siba_fix_imcfglobug(sc->sc_dev); 2065 bwn_bt_disable(mac); 2066 if (mac->mac_phy.prepare_hw) { 2067 error = mac->mac_phy.prepare_hw(mac); 2068 if (error) 2069 goto fail0; 2070 } 2071 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: chip_init\n", __func__); 2072 error = bwn_chip_init(mac); 2073 if (error) 2074 goto fail0; 2075 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_COREREV, 2076 siba_get_revid(sc->sc_dev)); 2077 hf = bwn_hf_read(mac); 2078 if (mac->mac_phy.type == BWN_PHYTYPE_G) { 2079 hf |= BWN_HF_GPHY_SYM_WORKAROUND; 2080 if (siba_sprom_get_bf_lo(sc->sc_dev) & BWN_BFL_PACTRL) 2081 hf |= BWN_HF_PAGAINBOOST_OFDM_ON; 2082 if (mac->mac_phy.rev == 1) 2083 hf |= BWN_HF_GPHY_DC_CANCELFILTER; 2084 } 2085 if (mac->mac_phy.rf_ver == 0x2050) { 2086 if (mac->mac_phy.rf_rev < 6) 2087 hf |= BWN_HF_FORCE_VCO_RECALC; 2088 if (mac->mac_phy.rf_rev == 6) 2089 hf |= BWN_HF_4318_TSSI; 2090 } 2091 if (siba_sprom_get_bf_lo(sc->sc_dev) & BWN_BFL_CRYSTAL_NOSLOW) 2092 hf |= BWN_HF_SLOWCLOCK_REQ_OFF; 2093 if ((siba_get_type(sc->sc_dev) == SIBA_TYPE_PCI) && 2094 (siba_get_pcicore_revid(sc->sc_dev) <= 10)) 2095 hf |= BWN_HF_PCI_SLOWCLOCK_WORKAROUND; 2096 hf &= ~BWN_HF_SKIP_CFP_UPDATE; 2097 bwn_hf_write(mac, hf); 2098 2099 /* Tell the firmware about the MAC capabilities */ 2100 if (siba_get_revid(sc->sc_dev) >= 13) { 2101 uint32_t cap; 2102 cap = BWN_READ_4(mac, BWN_MAC_HW_CAP); 2103 DPRINTF(sc, BWN_DEBUG_RESET, 2104 "%s: hw capabilities: 0x%08x\n", 2105 __func__, cap); 2106 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_MACHW_L, 2107 cap & 0xffff); 2108 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_MACHW_H, 2109 (cap >> 16) & 0xffff); 2110 } 2111 2112 bwn_set_txretry(mac, BWN_RETRY_SHORT, BWN_RETRY_LONG); 2113 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_SHORT_RETRY_FALLBACK, 3); 2114 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_LONG_RETRY_FALLBACK, 2); 2115 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_MAXTIME, 1); 2116 2117 bwn_rate_init(mac); 2118 bwn_set_phytxctl(mac); 2119 2120 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_CONT_MIN, 2121 (mac->mac_phy.type == BWN_PHYTYPE_B) ? 0x1f : 0xf); 2122 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_CONT_MAX, 0x3ff); 2123 2124 if (siba_get_type(sc->sc_dev) == SIBA_TYPE_PCMCIA || bwn_usedma == 0) 2125 bwn_pio_init(mac); 2126 else 2127 bwn_dma_init(mac); 2128 bwn_wme_init(mac); 2129 bwn_spu_setdelay(mac, 1); 2130 bwn_bt_enable(mac); 2131 2132 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: powerup\n", __func__); 2133 siba_powerup(sc->sc_dev, 2134 !(siba_sprom_get_bf_lo(sc->sc_dev) & BWN_BFL_CRYSTAL_NOSLOW)); 2135 bwn_set_macaddr(mac); 2136 bwn_crypt_init(mac); 2137 2138 /* XXX LED initializatin */ 2139 2140 mac->mac_status = BWN_MAC_STATUS_INITED; 2141 2142 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: done\n", __func__); 2143 return (error); 2144 2145 fail0: 2146 siba_powerdown(sc->sc_dev); 2147 KASSERT(mac->mac_status == BWN_MAC_STATUS_UNINIT, 2148 ("%s:%d: fail", __func__, __LINE__)); 2149 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: fail\n", __func__); 2150 return (error); 2151 } 2152 2153 static void 2154 bwn_core_start(struct bwn_mac *mac) 2155 { 2156 struct bwn_softc *sc = mac->mac_sc; 2157 uint32_t tmp; 2158 2159 KASSERT(mac->mac_status == BWN_MAC_STATUS_INITED, 2160 ("%s:%d: fail", __func__, __LINE__)); 2161 2162 if (siba_get_revid(sc->sc_dev) < 5) 2163 return; 2164 2165 while (1) { 2166 tmp = BWN_READ_4(mac, BWN_XMITSTAT_0); 2167 if (!(tmp & 0x00000001)) 2168 break; 2169 tmp = BWN_READ_4(mac, BWN_XMITSTAT_1); 2170 } 2171 2172 bwn_mac_enable(mac); 2173 BWN_WRITE_4(mac, BWN_INTR_MASK, mac->mac_intr_mask); 2174 callout_reset(&sc->sc_task_ch, hz * 15, bwn_tasks, mac); 2175 2176 mac->mac_status = BWN_MAC_STATUS_STARTED; 2177 } 2178 2179 static void 2180 bwn_core_exit(struct bwn_mac *mac) 2181 { 2182 struct bwn_softc *sc = mac->mac_sc; 2183 uint32_t macctl; 2184 2185 BWN_ASSERT_LOCKED(mac->mac_sc); 2186 2187 KASSERT(mac->mac_status <= BWN_MAC_STATUS_INITED, 2188 ("%s:%d: fail", __func__, __LINE__)); 2189 2190 if (mac->mac_status != BWN_MAC_STATUS_INITED) 2191 return; 2192 mac->mac_status = BWN_MAC_STATUS_UNINIT; 2193 2194 macctl = BWN_READ_4(mac, BWN_MACCTL); 2195 macctl &= ~BWN_MACCTL_MCODE_RUN; 2196 macctl |= BWN_MACCTL_MCODE_JMP0; 2197 BWN_WRITE_4(mac, BWN_MACCTL, macctl); 2198 2199 bwn_dma_stop(mac); 2200 bwn_pio_stop(mac); 2201 bwn_chip_exit(mac); 2202 mac->mac_phy.switch_analog(mac, 0); 2203 siba_dev_down(sc->sc_dev, 0); 2204 siba_powerdown(sc->sc_dev); 2205 } 2206 2207 static void 2208 bwn_bt_disable(struct bwn_mac *mac) 2209 { 2210 struct bwn_softc *sc = mac->mac_sc; 2211 2212 (void)sc; 2213 /* XXX do nothing yet */ 2214 } 2215 2216 static int 2217 bwn_chip_init(struct bwn_mac *mac) 2218 { 2219 struct bwn_softc *sc = mac->mac_sc; 2220 struct bwn_phy *phy = &mac->mac_phy; 2221 uint32_t macctl; 2222 int error; 2223 2224 macctl = BWN_MACCTL_IHR_ON | BWN_MACCTL_SHM_ON | BWN_MACCTL_STA; 2225 if (phy->gmode) 2226 macctl |= BWN_MACCTL_GMODE; 2227 BWN_WRITE_4(mac, BWN_MACCTL, macctl); 2228 2229 error = bwn_fw_fillinfo(mac); 2230 if (error) 2231 return (error); 2232 error = bwn_fw_loaducode(mac); 2233 if (error) 2234 return (error); 2235 2236 error = bwn_gpio_init(mac); 2237 if (error) 2238 return (error); 2239 2240 error = bwn_fw_loadinitvals(mac); 2241 if (error) { 2242 siba_gpio_set(sc->sc_dev, 0); 2243 return (error); 2244 } 2245 phy->switch_analog(mac, 1); 2246 error = bwn_phy_init(mac); 2247 if (error) { 2248 siba_gpio_set(sc->sc_dev, 0); 2249 return (error); 2250 } 2251 if (phy->set_im) 2252 phy->set_im(mac, BWN_IMMODE_NONE); 2253 if (phy->set_antenna) 2254 phy->set_antenna(mac, BWN_ANT_DEFAULT); 2255 bwn_set_txantenna(mac, BWN_ANT_DEFAULT); 2256 2257 if (phy->type == BWN_PHYTYPE_B) 2258 BWN_WRITE_2(mac, 0x005e, BWN_READ_2(mac, 0x005e) | 0x0004); 2259 BWN_WRITE_4(mac, 0x0100, 0x01000000); 2260 if (siba_get_revid(sc->sc_dev) < 5) 2261 BWN_WRITE_4(mac, 0x010c, 0x01000000); 2262 2263 BWN_WRITE_4(mac, BWN_MACCTL, 2264 BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_STA); 2265 BWN_WRITE_4(mac, BWN_MACCTL, 2266 BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_STA); 2267 bwn_shm_write_2(mac, BWN_SHARED, 0x0074, 0x0000); 2268 2269 bwn_set_opmode(mac); 2270 if (siba_get_revid(sc->sc_dev) < 3) { 2271 BWN_WRITE_2(mac, 0x060e, 0x0000); 2272 BWN_WRITE_2(mac, 0x0610, 0x8000); 2273 BWN_WRITE_2(mac, 0x0604, 0x0000); 2274 BWN_WRITE_2(mac, 0x0606, 0x0200); 2275 } else { 2276 BWN_WRITE_4(mac, 0x0188, 0x80000000); 2277 BWN_WRITE_4(mac, 0x018c, 0x02000000); 2278 } 2279 BWN_WRITE_4(mac, BWN_INTR_REASON, 0x00004000); 2280 BWN_WRITE_4(mac, BWN_DMA0_INTR_MASK, 0x0001dc00); 2281 BWN_WRITE_4(mac, BWN_DMA1_INTR_MASK, 0x0000dc00); 2282 BWN_WRITE_4(mac, BWN_DMA2_INTR_MASK, 0x0000dc00); 2283 BWN_WRITE_4(mac, BWN_DMA3_INTR_MASK, 0x0001dc00); 2284 BWN_WRITE_4(mac, BWN_DMA4_INTR_MASK, 0x0000dc00); 2285 BWN_WRITE_4(mac, BWN_DMA5_INTR_MASK, 0x0000dc00); 2286 2287 bwn_mac_phy_clock_set(mac, true); 2288 2289 /* SIBA powerup */ 2290 BWN_WRITE_2(mac, BWN_POWERUP_DELAY, siba_get_cc_powerdelay(sc->sc_dev)); 2291 return (error); 2292 } 2293 2294 /* read hostflags */ 2295 uint64_t 2296 bwn_hf_read(struct bwn_mac *mac) 2297 { 2298 uint64_t ret; 2299 2300 ret = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFHI); 2301 ret <<= 16; 2302 ret |= bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFMI); 2303 ret <<= 16; 2304 ret |= bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFLO); 2305 return (ret); 2306 } 2307 2308 void 2309 bwn_hf_write(struct bwn_mac *mac, uint64_t value) 2310 { 2311 2312 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFLO, 2313 (value & 0x00000000ffffull)); 2314 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFMI, 2315 (value & 0x0000ffff0000ull) >> 16); 2316 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_HFHI, 2317 (value & 0xffff00000000ULL) >> 32); 2318 } 2319 2320 static void 2321 bwn_set_txretry(struct bwn_mac *mac, int s, int l) 2322 { 2323 2324 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_SHORT_RETRY, MIN(s, 0xf)); 2325 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_SCRATCH_LONG_RETRY, MIN(l, 0xf)); 2326 } 2327 2328 static void 2329 bwn_rate_init(struct bwn_mac *mac) 2330 { 2331 2332 switch (mac->mac_phy.type) { 2333 case BWN_PHYTYPE_A: 2334 case BWN_PHYTYPE_G: 2335 case BWN_PHYTYPE_LP: 2336 case BWN_PHYTYPE_N: 2337 bwn_rate_write(mac, BWN_OFDM_RATE_6MB, 1); 2338 bwn_rate_write(mac, BWN_OFDM_RATE_12MB, 1); 2339 bwn_rate_write(mac, BWN_OFDM_RATE_18MB, 1); 2340 bwn_rate_write(mac, BWN_OFDM_RATE_24MB, 1); 2341 bwn_rate_write(mac, BWN_OFDM_RATE_36MB, 1); 2342 bwn_rate_write(mac, BWN_OFDM_RATE_48MB, 1); 2343 bwn_rate_write(mac, BWN_OFDM_RATE_54MB, 1); 2344 if (mac->mac_phy.type == BWN_PHYTYPE_A) 2345 break; 2346 /* FALLTHROUGH */ 2347 case BWN_PHYTYPE_B: 2348 bwn_rate_write(mac, BWN_CCK_RATE_1MB, 0); 2349 bwn_rate_write(mac, BWN_CCK_RATE_2MB, 0); 2350 bwn_rate_write(mac, BWN_CCK_RATE_5MB, 0); 2351 bwn_rate_write(mac, BWN_CCK_RATE_11MB, 0); 2352 break; 2353 default: 2354 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2355 } 2356 } 2357 2358 static void 2359 bwn_rate_write(struct bwn_mac *mac, uint16_t rate, int ofdm) 2360 { 2361 uint16_t offset; 2362 2363 if (ofdm) { 2364 offset = 0x480; 2365 offset += (bwn_plcp_getofdm(rate) & 0x000f) * 2; 2366 } else { 2367 offset = 0x4c0; 2368 offset += (bwn_plcp_getcck(rate) & 0x000f) * 2; 2369 } 2370 bwn_shm_write_2(mac, BWN_SHARED, offset + 0x20, 2371 bwn_shm_read_2(mac, BWN_SHARED, offset)); 2372 } 2373 2374 static uint8_t 2375 bwn_plcp_getcck(const uint8_t bitrate) 2376 { 2377 2378 switch (bitrate) { 2379 case BWN_CCK_RATE_1MB: 2380 return (0x0a); 2381 case BWN_CCK_RATE_2MB: 2382 return (0x14); 2383 case BWN_CCK_RATE_5MB: 2384 return (0x37); 2385 case BWN_CCK_RATE_11MB: 2386 return (0x6e); 2387 } 2388 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2389 return (0); 2390 } 2391 2392 static uint8_t 2393 bwn_plcp_getofdm(const uint8_t bitrate) 2394 { 2395 2396 switch (bitrate) { 2397 case BWN_OFDM_RATE_6MB: 2398 return (0xb); 2399 case BWN_OFDM_RATE_9MB: 2400 return (0xf); 2401 case BWN_OFDM_RATE_12MB: 2402 return (0xa); 2403 case BWN_OFDM_RATE_18MB: 2404 return (0xe); 2405 case BWN_OFDM_RATE_24MB: 2406 return (0x9); 2407 case BWN_OFDM_RATE_36MB: 2408 return (0xd); 2409 case BWN_OFDM_RATE_48MB: 2410 return (0x8); 2411 case BWN_OFDM_RATE_54MB: 2412 return (0xc); 2413 } 2414 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2415 return (0); 2416 } 2417 2418 static void 2419 bwn_set_phytxctl(struct bwn_mac *mac) 2420 { 2421 uint16_t ctl; 2422 2423 ctl = (BWN_TX_PHY_ENC_CCK | BWN_TX_PHY_ANT01AUTO | 2424 BWN_TX_PHY_TXPWR); 2425 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_BEACON_PHYCTL, ctl); 2426 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL, ctl); 2427 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL, ctl); 2428 } 2429 2430 static void 2431 bwn_pio_init(struct bwn_mac *mac) 2432 { 2433 struct bwn_pio *pio = &mac->mac_method.pio; 2434 2435 BWN_WRITE_4(mac, BWN_MACCTL, BWN_READ_4(mac, BWN_MACCTL) 2436 & ~BWN_MACCTL_BIGENDIAN); 2437 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_RX_PADOFFSET, 0); 2438 2439 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_BK], 0); 2440 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_BE], 1); 2441 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_VI], 2); 2442 bwn_pio_set_txqueue(mac, &pio->wme[WME_AC_VO], 3); 2443 bwn_pio_set_txqueue(mac, &pio->mcast, 4); 2444 bwn_pio_setupqueue_rx(mac, &pio->rx, 0); 2445 } 2446 2447 static void 2448 bwn_pio_set_txqueue(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 2449 int index) 2450 { 2451 struct bwn_pio_txpkt *tp; 2452 struct bwn_softc *sc = mac->mac_sc; 2453 unsigned int i; 2454 2455 tq->tq_base = bwn_pio_idx2base(mac, index) + BWN_PIO_TXQOFFSET(mac); 2456 tq->tq_index = index; 2457 2458 tq->tq_free = BWN_PIO_MAX_TXPACKETS; 2459 if (siba_get_revid(sc->sc_dev) >= 8) 2460 tq->tq_size = 1920; 2461 else { 2462 tq->tq_size = bwn_pio_read_2(mac, tq, BWN_PIO_TXQBUFSIZE); 2463 tq->tq_size -= 80; 2464 } 2465 2466 TAILQ_INIT(&tq->tq_pktlist); 2467 for (i = 0; i < N(tq->tq_pkts); i++) { 2468 tp = &(tq->tq_pkts[i]); 2469 tp->tp_index = i; 2470 tp->tp_queue = tq; 2471 TAILQ_INSERT_TAIL(&tq->tq_pktlist, tp, tp_list); 2472 } 2473 } 2474 2475 static uint16_t 2476 bwn_pio_idx2base(struct bwn_mac *mac, int index) 2477 { 2478 struct bwn_softc *sc = mac->mac_sc; 2479 static const uint16_t bases[] = { 2480 BWN_PIO_BASE0, 2481 BWN_PIO_BASE1, 2482 BWN_PIO_BASE2, 2483 BWN_PIO_BASE3, 2484 BWN_PIO_BASE4, 2485 BWN_PIO_BASE5, 2486 BWN_PIO_BASE6, 2487 BWN_PIO_BASE7, 2488 }; 2489 static const uint16_t bases_rev11[] = { 2490 BWN_PIO11_BASE0, 2491 BWN_PIO11_BASE1, 2492 BWN_PIO11_BASE2, 2493 BWN_PIO11_BASE3, 2494 BWN_PIO11_BASE4, 2495 BWN_PIO11_BASE5, 2496 }; 2497 2498 if (siba_get_revid(sc->sc_dev) >= 11) { 2499 if (index >= N(bases_rev11)) 2500 device_printf(sc->sc_dev, "%s: warning\n", __func__); 2501 return (bases_rev11[index]); 2502 } 2503 if (index >= N(bases)) 2504 device_printf(sc->sc_dev, "%s: warning\n", __func__); 2505 return (bases[index]); 2506 } 2507 2508 static void 2509 bwn_pio_setupqueue_rx(struct bwn_mac *mac, struct bwn_pio_rxqueue *prq, 2510 int index) 2511 { 2512 struct bwn_softc *sc = mac->mac_sc; 2513 2514 prq->prq_mac = mac; 2515 prq->prq_rev = siba_get_revid(sc->sc_dev); 2516 prq->prq_base = bwn_pio_idx2base(mac, index) + BWN_PIO_RXQOFFSET(mac); 2517 bwn_dma_rxdirectfifo(mac, index, 1); 2518 } 2519 2520 static void 2521 bwn_destroy_pioqueue_tx(struct bwn_pio_txqueue *tq) 2522 { 2523 if (tq == NULL) 2524 return; 2525 bwn_pio_cancel_tx_packets(tq); 2526 } 2527 2528 static void 2529 bwn_destroy_queue_tx(struct bwn_pio_txqueue *pio) 2530 { 2531 2532 bwn_destroy_pioqueue_tx(pio); 2533 } 2534 2535 static uint16_t 2536 bwn_pio_read_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 2537 uint16_t offset) 2538 { 2539 2540 return (BWN_READ_2(mac, tq->tq_base + offset)); 2541 } 2542 2543 static void 2544 bwn_dma_rxdirectfifo(struct bwn_mac *mac, int idx, uint8_t enable) 2545 { 2546 uint32_t ctl; 2547 int type; 2548 uint16_t base; 2549 2550 type = bwn_dma_mask2type(bwn_dma_mask(mac)); 2551 base = bwn_dma_base(type, idx); 2552 if (type == BWN_DMA_64BIT) { 2553 ctl = BWN_READ_4(mac, base + BWN_DMA64_RXCTL); 2554 ctl &= ~BWN_DMA64_RXDIRECTFIFO; 2555 if (enable) 2556 ctl |= BWN_DMA64_RXDIRECTFIFO; 2557 BWN_WRITE_4(mac, base + BWN_DMA64_RXCTL, ctl); 2558 } else { 2559 ctl = BWN_READ_4(mac, base + BWN_DMA32_RXCTL); 2560 ctl &= ~BWN_DMA32_RXDIRECTFIFO; 2561 if (enable) 2562 ctl |= BWN_DMA32_RXDIRECTFIFO; 2563 BWN_WRITE_4(mac, base + BWN_DMA32_RXCTL, ctl); 2564 } 2565 } 2566 2567 static uint64_t 2568 bwn_dma_mask(struct bwn_mac *mac) 2569 { 2570 uint32_t tmp; 2571 uint16_t base; 2572 2573 tmp = BWN_READ_4(mac, SIBA_TGSHIGH); 2574 if (tmp & SIBA_TGSHIGH_DMA64) 2575 return (BWN_DMA_BIT_MASK(64)); 2576 base = bwn_dma_base(0, 0); 2577 BWN_WRITE_4(mac, base + BWN_DMA32_TXCTL, BWN_DMA32_TXADDREXT_MASK); 2578 tmp = BWN_READ_4(mac, base + BWN_DMA32_TXCTL); 2579 if (tmp & BWN_DMA32_TXADDREXT_MASK) 2580 return (BWN_DMA_BIT_MASK(32)); 2581 2582 return (BWN_DMA_BIT_MASK(30)); 2583 } 2584 2585 static int 2586 bwn_dma_mask2type(uint64_t dmamask) 2587 { 2588 2589 if (dmamask == BWN_DMA_BIT_MASK(30)) 2590 return (BWN_DMA_30BIT); 2591 if (dmamask == BWN_DMA_BIT_MASK(32)) 2592 return (BWN_DMA_32BIT); 2593 if (dmamask == BWN_DMA_BIT_MASK(64)) 2594 return (BWN_DMA_64BIT); 2595 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2596 return (BWN_DMA_30BIT); 2597 } 2598 2599 static void 2600 bwn_pio_cancel_tx_packets(struct bwn_pio_txqueue *tq) 2601 { 2602 struct bwn_pio_txpkt *tp; 2603 unsigned int i; 2604 2605 for (i = 0; i < N(tq->tq_pkts); i++) { 2606 tp = &(tq->tq_pkts[i]); 2607 if (tp->tp_m) { 2608 m_freem(tp->tp_m); 2609 tp->tp_m = NULL; 2610 } 2611 } 2612 } 2613 2614 static uint16_t 2615 bwn_dma_base(int type, int controller_idx) 2616 { 2617 static const uint16_t map64[] = { 2618 BWN_DMA64_BASE0, 2619 BWN_DMA64_BASE1, 2620 BWN_DMA64_BASE2, 2621 BWN_DMA64_BASE3, 2622 BWN_DMA64_BASE4, 2623 BWN_DMA64_BASE5, 2624 }; 2625 static const uint16_t map32[] = { 2626 BWN_DMA32_BASE0, 2627 BWN_DMA32_BASE1, 2628 BWN_DMA32_BASE2, 2629 BWN_DMA32_BASE3, 2630 BWN_DMA32_BASE4, 2631 BWN_DMA32_BASE5, 2632 }; 2633 2634 if (type == BWN_DMA_64BIT) { 2635 KASSERT(controller_idx >= 0 && controller_idx < N(map64), 2636 ("%s:%d: fail", __func__, __LINE__)); 2637 return (map64[controller_idx]); 2638 } 2639 KASSERT(controller_idx >= 0 && controller_idx < N(map32), 2640 ("%s:%d: fail", __func__, __LINE__)); 2641 return (map32[controller_idx]); 2642 } 2643 2644 static void 2645 bwn_dma_init(struct bwn_mac *mac) 2646 { 2647 struct bwn_dma *dma = &mac->mac_method.dma; 2648 2649 /* setup TX DMA channels. */ 2650 bwn_dma_setup(dma->wme[WME_AC_BK]); 2651 bwn_dma_setup(dma->wme[WME_AC_BE]); 2652 bwn_dma_setup(dma->wme[WME_AC_VI]); 2653 bwn_dma_setup(dma->wme[WME_AC_VO]); 2654 bwn_dma_setup(dma->mcast); 2655 /* setup RX DMA channel. */ 2656 bwn_dma_setup(dma->rx); 2657 } 2658 2659 static struct bwn_dma_ring * 2660 bwn_dma_ringsetup(struct bwn_mac *mac, int controller_index, 2661 int for_tx, int type) 2662 { 2663 struct bwn_dma *dma = &mac->mac_method.dma; 2664 struct bwn_dma_ring *dr; 2665 struct bwn_dmadesc_generic *desc; 2666 struct bwn_dmadesc_meta *mt; 2667 struct bwn_softc *sc = mac->mac_sc; 2668 int error, i; 2669 2670 dr = malloc(sizeof(*dr), M_DEVBUF, M_NOWAIT | M_ZERO); 2671 if (dr == NULL) 2672 goto out; 2673 dr->dr_numslots = BWN_RXRING_SLOTS; 2674 if (for_tx) 2675 dr->dr_numslots = BWN_TXRING_SLOTS; 2676 2677 dr->dr_meta = malloc(dr->dr_numslots * sizeof(struct bwn_dmadesc_meta), 2678 M_DEVBUF, M_NOWAIT | M_ZERO); 2679 if (dr->dr_meta == NULL) 2680 goto fail0; 2681 2682 dr->dr_type = type; 2683 dr->dr_mac = mac; 2684 dr->dr_base = bwn_dma_base(type, controller_index); 2685 dr->dr_index = controller_index; 2686 if (type == BWN_DMA_64BIT) { 2687 dr->getdesc = bwn_dma_64_getdesc; 2688 dr->setdesc = bwn_dma_64_setdesc; 2689 dr->start_transfer = bwn_dma_64_start_transfer; 2690 dr->suspend = bwn_dma_64_suspend; 2691 dr->resume = bwn_dma_64_resume; 2692 dr->get_curslot = bwn_dma_64_get_curslot; 2693 dr->set_curslot = bwn_dma_64_set_curslot; 2694 } else { 2695 dr->getdesc = bwn_dma_32_getdesc; 2696 dr->setdesc = bwn_dma_32_setdesc; 2697 dr->start_transfer = bwn_dma_32_start_transfer; 2698 dr->suspend = bwn_dma_32_suspend; 2699 dr->resume = bwn_dma_32_resume; 2700 dr->get_curslot = bwn_dma_32_get_curslot; 2701 dr->set_curslot = bwn_dma_32_set_curslot; 2702 } 2703 if (for_tx) { 2704 dr->dr_tx = 1; 2705 dr->dr_curslot = -1; 2706 } else { 2707 if (dr->dr_index == 0) { 2708 switch (mac->mac_fw.fw_hdr_format) { 2709 case BWN_FW_HDR_351: 2710 case BWN_FW_HDR_410: 2711 dr->dr_rx_bufsize = 2712 BWN_DMA0_RX_BUFFERSIZE_FW351; 2713 dr->dr_frameoffset = 2714 BWN_DMA0_RX_FRAMEOFFSET_FW351; 2715 break; 2716 case BWN_FW_HDR_598: 2717 dr->dr_rx_bufsize = 2718 BWN_DMA0_RX_BUFFERSIZE_FW598; 2719 dr->dr_frameoffset = 2720 BWN_DMA0_RX_FRAMEOFFSET_FW598; 2721 break; 2722 } 2723 } else 2724 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 2725 } 2726 2727 error = bwn_dma_allocringmemory(dr); 2728 if (error) 2729 goto fail2; 2730 2731 if (for_tx) { 2732 /* 2733 * Assumption: BWN_TXRING_SLOTS can be divided by 2734 * BWN_TX_SLOTS_PER_FRAME 2735 */ 2736 KASSERT(BWN_TXRING_SLOTS % BWN_TX_SLOTS_PER_FRAME == 0, 2737 ("%s:%d: fail", __func__, __LINE__)); 2738 2739 dr->dr_txhdr_cache = contigmalloc( 2740 (dr->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2741 BWN_MAXTXHDRSIZE, M_DEVBUF, M_ZERO, 2742 0, BUS_SPACE_MAXADDR, 8, 0); 2743 if (dr->dr_txhdr_cache == NULL) { 2744 device_printf(sc->sc_dev, 2745 "can't allocate TX header DMA memory\n"); 2746 goto fail1; 2747 } 2748 2749 /* 2750 * Create TX ring DMA stuffs 2751 */ 2752 error = bus_dma_tag_create(dma->parent_dtag, 2753 BWN_ALIGN, 0, 2754 BUS_SPACE_MAXADDR, 2755 BUS_SPACE_MAXADDR, 2756 NULL, NULL, 2757 BWN_HDRSIZE(mac), 2758 1, 2759 BUS_SPACE_MAXSIZE_32BIT, 2760 0, 2761 NULL, NULL, 2762 &dr->dr_txring_dtag); 2763 if (error) { 2764 device_printf(sc->sc_dev, 2765 "can't create TX ring DMA tag: TODO frees\n"); 2766 goto fail2; 2767 } 2768 2769 for (i = 0; i < dr->dr_numslots; i += 2) { 2770 dr->getdesc(dr, i, &desc, &mt); 2771 2772 mt->mt_txtype = BWN_DMADESC_METATYPE_HEADER; 2773 mt->mt_m = NULL; 2774 mt->mt_ni = NULL; 2775 mt->mt_islast = 0; 2776 error = bus_dmamap_create(dr->dr_txring_dtag, 0, 2777 &mt->mt_dmap); 2778 if (error) { 2779 device_printf(sc->sc_dev, 2780 "can't create RX buf DMA map\n"); 2781 goto fail2; 2782 } 2783 2784 dr->getdesc(dr, i + 1, &desc, &mt); 2785 2786 mt->mt_txtype = BWN_DMADESC_METATYPE_BODY; 2787 mt->mt_m = NULL; 2788 mt->mt_ni = NULL; 2789 mt->mt_islast = 1; 2790 error = bus_dmamap_create(dma->txbuf_dtag, 0, 2791 &mt->mt_dmap); 2792 if (error) { 2793 device_printf(sc->sc_dev, 2794 "can't create RX buf DMA map\n"); 2795 goto fail2; 2796 } 2797 } 2798 } else { 2799 error = bus_dmamap_create(dma->rxbuf_dtag, 0, 2800 &dr->dr_spare_dmap); 2801 if (error) { 2802 device_printf(sc->sc_dev, 2803 "can't create RX buf DMA map\n"); 2804 goto out; /* XXX wrong! */ 2805 } 2806 2807 for (i = 0; i < dr->dr_numslots; i++) { 2808 dr->getdesc(dr, i, &desc, &mt); 2809 2810 error = bus_dmamap_create(dma->rxbuf_dtag, 0, 2811 &mt->mt_dmap); 2812 if (error) { 2813 device_printf(sc->sc_dev, 2814 "can't create RX buf DMA map\n"); 2815 goto out; /* XXX wrong! */ 2816 } 2817 error = bwn_dma_newbuf(dr, desc, mt, 1); 2818 if (error) { 2819 device_printf(sc->sc_dev, 2820 "failed to allocate RX buf\n"); 2821 goto out; /* XXX wrong! */ 2822 } 2823 } 2824 2825 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 2826 BUS_DMASYNC_PREWRITE); 2827 2828 dr->dr_usedslot = dr->dr_numslots; 2829 } 2830 2831 out: 2832 return (dr); 2833 2834 fail2: 2835 if (dr->dr_txhdr_cache != NULL) { 2836 contigfree(dr->dr_txhdr_cache, 2837 (dr->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2838 BWN_MAXTXHDRSIZE, M_DEVBUF); 2839 } 2840 fail1: 2841 free(dr->dr_meta, M_DEVBUF); 2842 fail0: 2843 free(dr, M_DEVBUF); 2844 return (NULL); 2845 } 2846 2847 static void 2848 bwn_dma_ringfree(struct bwn_dma_ring **dr) 2849 { 2850 2851 if (dr == NULL) 2852 return; 2853 2854 bwn_dma_free_descbufs(*dr); 2855 bwn_dma_free_ringmemory(*dr); 2856 2857 if ((*dr)->dr_txhdr_cache != NULL) { 2858 contigfree((*dr)->dr_txhdr_cache, 2859 ((*dr)->dr_numslots / BWN_TX_SLOTS_PER_FRAME) * 2860 BWN_MAXTXHDRSIZE, M_DEVBUF); 2861 } 2862 free((*dr)->dr_meta, M_DEVBUF); 2863 free(*dr, M_DEVBUF); 2864 2865 *dr = NULL; 2866 } 2867 2868 static void 2869 bwn_dma_32_getdesc(struct bwn_dma_ring *dr, int slot, 2870 struct bwn_dmadesc_generic **gdesc, struct bwn_dmadesc_meta **meta) 2871 { 2872 struct bwn_dmadesc32 *desc; 2873 2874 *meta = &(dr->dr_meta[slot]); 2875 desc = dr->dr_ring_descbase; 2876 desc = &(desc[slot]); 2877 2878 *gdesc = (struct bwn_dmadesc_generic *)desc; 2879 } 2880 2881 static void 2882 bwn_dma_32_setdesc(struct bwn_dma_ring *dr, 2883 struct bwn_dmadesc_generic *desc, bus_addr_t dmaaddr, uint16_t bufsize, 2884 int start, int end, int irq) 2885 { 2886 struct bwn_dmadesc32 *descbase = dr->dr_ring_descbase; 2887 struct bwn_softc *sc = dr->dr_mac->mac_sc; 2888 uint32_t addr, addrext, ctl; 2889 int slot; 2890 2891 slot = (int)(&(desc->dma.dma32) - descbase); 2892 KASSERT(slot >= 0 && slot < dr->dr_numslots, 2893 ("%s:%d: fail", __func__, __LINE__)); 2894 2895 addr = (uint32_t) (dmaaddr & ~SIBA_DMA_TRANSLATION_MASK); 2896 addrext = (uint32_t) (dmaaddr & SIBA_DMA_TRANSLATION_MASK) >> 30; 2897 addr |= siba_dma_translation(sc->sc_dev); 2898 ctl = bufsize & BWN_DMA32_DCTL_BYTECNT; 2899 if (slot == dr->dr_numslots - 1) 2900 ctl |= BWN_DMA32_DCTL_DTABLEEND; 2901 if (start) 2902 ctl |= BWN_DMA32_DCTL_FRAMESTART; 2903 if (end) 2904 ctl |= BWN_DMA32_DCTL_FRAMEEND; 2905 if (irq) 2906 ctl |= BWN_DMA32_DCTL_IRQ; 2907 ctl |= (addrext << BWN_DMA32_DCTL_ADDREXT_SHIFT) 2908 & BWN_DMA32_DCTL_ADDREXT_MASK; 2909 2910 desc->dma.dma32.control = htole32(ctl); 2911 desc->dma.dma32.address = htole32(addr); 2912 } 2913 2914 static void 2915 bwn_dma_32_start_transfer(struct bwn_dma_ring *dr, int slot) 2916 { 2917 2918 BWN_DMA_WRITE(dr, BWN_DMA32_TXINDEX, 2919 (uint32_t)(slot * sizeof(struct bwn_dmadesc32))); 2920 } 2921 2922 static void 2923 bwn_dma_32_suspend(struct bwn_dma_ring *dr) 2924 { 2925 2926 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, 2927 BWN_DMA_READ(dr, BWN_DMA32_TXCTL) | BWN_DMA32_TXSUSPEND); 2928 } 2929 2930 static void 2931 bwn_dma_32_resume(struct bwn_dma_ring *dr) 2932 { 2933 2934 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, 2935 BWN_DMA_READ(dr, BWN_DMA32_TXCTL) & ~BWN_DMA32_TXSUSPEND); 2936 } 2937 2938 static int 2939 bwn_dma_32_get_curslot(struct bwn_dma_ring *dr) 2940 { 2941 uint32_t val; 2942 2943 val = BWN_DMA_READ(dr, BWN_DMA32_RXSTATUS); 2944 val &= BWN_DMA32_RXDPTR; 2945 2946 return (val / sizeof(struct bwn_dmadesc32)); 2947 } 2948 2949 static void 2950 bwn_dma_32_set_curslot(struct bwn_dma_ring *dr, int slot) 2951 { 2952 2953 BWN_DMA_WRITE(dr, BWN_DMA32_RXINDEX, 2954 (uint32_t) (slot * sizeof(struct bwn_dmadesc32))); 2955 } 2956 2957 static void 2958 bwn_dma_64_getdesc(struct bwn_dma_ring *dr, int slot, 2959 struct bwn_dmadesc_generic **gdesc, struct bwn_dmadesc_meta **meta) 2960 { 2961 struct bwn_dmadesc64 *desc; 2962 2963 *meta = &(dr->dr_meta[slot]); 2964 desc = dr->dr_ring_descbase; 2965 desc = &(desc[slot]); 2966 2967 *gdesc = (struct bwn_dmadesc_generic *)desc; 2968 } 2969 2970 static void 2971 bwn_dma_64_setdesc(struct bwn_dma_ring *dr, 2972 struct bwn_dmadesc_generic *desc, bus_addr_t dmaaddr, uint16_t bufsize, 2973 int start, int end, int irq) 2974 { 2975 struct bwn_dmadesc64 *descbase = dr->dr_ring_descbase; 2976 struct bwn_softc *sc = dr->dr_mac->mac_sc; 2977 int slot; 2978 uint32_t ctl0 = 0, ctl1 = 0; 2979 uint32_t addrlo, addrhi; 2980 uint32_t addrext; 2981 2982 slot = (int)(&(desc->dma.dma64) - descbase); 2983 KASSERT(slot >= 0 && slot < dr->dr_numslots, 2984 ("%s:%d: fail", __func__, __LINE__)); 2985 2986 addrlo = (uint32_t) (dmaaddr & 0xffffffff); 2987 addrhi = (((uint64_t) dmaaddr >> 32) & ~SIBA_DMA_TRANSLATION_MASK); 2988 addrext = (((uint64_t) dmaaddr >> 32) & SIBA_DMA_TRANSLATION_MASK) >> 2989 30; 2990 addrhi |= (siba_dma_translation(sc->sc_dev) << 1); 2991 if (slot == dr->dr_numslots - 1) 2992 ctl0 |= BWN_DMA64_DCTL0_DTABLEEND; 2993 if (start) 2994 ctl0 |= BWN_DMA64_DCTL0_FRAMESTART; 2995 if (end) 2996 ctl0 |= BWN_DMA64_DCTL0_FRAMEEND; 2997 if (irq) 2998 ctl0 |= BWN_DMA64_DCTL0_IRQ; 2999 ctl1 |= bufsize & BWN_DMA64_DCTL1_BYTECNT; 3000 ctl1 |= (addrext << BWN_DMA64_DCTL1_ADDREXT_SHIFT) 3001 & BWN_DMA64_DCTL1_ADDREXT_MASK; 3002 3003 desc->dma.dma64.control0 = htole32(ctl0); 3004 desc->dma.dma64.control1 = htole32(ctl1); 3005 desc->dma.dma64.address_low = htole32(addrlo); 3006 desc->dma.dma64.address_high = htole32(addrhi); 3007 } 3008 3009 static void 3010 bwn_dma_64_start_transfer(struct bwn_dma_ring *dr, int slot) 3011 { 3012 3013 BWN_DMA_WRITE(dr, BWN_DMA64_TXINDEX, 3014 (uint32_t)(slot * sizeof(struct bwn_dmadesc64))); 3015 } 3016 3017 static void 3018 bwn_dma_64_suspend(struct bwn_dma_ring *dr) 3019 { 3020 3021 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, 3022 BWN_DMA_READ(dr, BWN_DMA64_TXCTL) | BWN_DMA64_TXSUSPEND); 3023 } 3024 3025 static void 3026 bwn_dma_64_resume(struct bwn_dma_ring *dr) 3027 { 3028 3029 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, 3030 BWN_DMA_READ(dr, BWN_DMA64_TXCTL) & ~BWN_DMA64_TXSUSPEND); 3031 } 3032 3033 static int 3034 bwn_dma_64_get_curslot(struct bwn_dma_ring *dr) 3035 { 3036 uint32_t val; 3037 3038 val = BWN_DMA_READ(dr, BWN_DMA64_RXSTATUS); 3039 val &= BWN_DMA64_RXSTATDPTR; 3040 3041 return (val / sizeof(struct bwn_dmadesc64)); 3042 } 3043 3044 static void 3045 bwn_dma_64_set_curslot(struct bwn_dma_ring *dr, int slot) 3046 { 3047 3048 BWN_DMA_WRITE(dr, BWN_DMA64_RXINDEX, 3049 (uint32_t)(slot * sizeof(struct bwn_dmadesc64))); 3050 } 3051 3052 static int 3053 bwn_dma_allocringmemory(struct bwn_dma_ring *dr) 3054 { 3055 struct bwn_mac *mac = dr->dr_mac; 3056 struct bwn_dma *dma = &mac->mac_method.dma; 3057 struct bwn_softc *sc = mac->mac_sc; 3058 int error; 3059 3060 error = bus_dma_tag_create(dma->parent_dtag, 3061 BWN_ALIGN, 0, 3062 BUS_SPACE_MAXADDR, 3063 BUS_SPACE_MAXADDR, 3064 NULL, NULL, 3065 BWN_DMA_RINGMEMSIZE, 3066 1, 3067 BUS_SPACE_MAXSIZE_32BIT, 3068 0, 3069 NULL, NULL, 3070 &dr->dr_ring_dtag); 3071 if (error) { 3072 device_printf(sc->sc_dev, 3073 "can't create TX ring DMA tag: TODO frees\n"); 3074 return (-1); 3075 } 3076 3077 error = bus_dmamem_alloc(dr->dr_ring_dtag, 3078 &dr->dr_ring_descbase, BUS_DMA_WAITOK | BUS_DMA_ZERO, 3079 &dr->dr_ring_dmap); 3080 if (error) { 3081 device_printf(sc->sc_dev, 3082 "can't allocate DMA mem: TODO frees\n"); 3083 return (-1); 3084 } 3085 error = bus_dmamap_load(dr->dr_ring_dtag, dr->dr_ring_dmap, 3086 dr->dr_ring_descbase, BWN_DMA_RINGMEMSIZE, 3087 bwn_dma_ring_addr, &dr->dr_ring_dmabase, BUS_DMA_NOWAIT); 3088 if (error) { 3089 device_printf(sc->sc_dev, 3090 "can't load DMA mem: TODO free\n"); 3091 return (-1); 3092 } 3093 3094 return (0); 3095 } 3096 3097 static void 3098 bwn_dma_setup(struct bwn_dma_ring *dr) 3099 { 3100 struct bwn_softc *sc = dr->dr_mac->mac_sc; 3101 uint64_t ring64; 3102 uint32_t addrext, ring32, value; 3103 uint32_t trans = siba_dma_translation(sc->sc_dev); 3104 3105 if (dr->dr_tx) { 3106 dr->dr_curslot = -1; 3107 3108 if (dr->dr_type == BWN_DMA_64BIT) { 3109 ring64 = (uint64_t)(dr->dr_ring_dmabase); 3110 addrext = ((ring64 >> 32) & SIBA_DMA_TRANSLATION_MASK) 3111 >> 30; 3112 value = BWN_DMA64_TXENABLE; 3113 value |= (addrext << BWN_DMA64_TXADDREXT_SHIFT) 3114 & BWN_DMA64_TXADDREXT_MASK; 3115 BWN_DMA_WRITE(dr, BWN_DMA64_TXCTL, value); 3116 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGLO, 3117 (ring64 & 0xffffffff)); 3118 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGHI, 3119 ((ring64 >> 32) & 3120 ~SIBA_DMA_TRANSLATION_MASK) | (trans << 1)); 3121 } else { 3122 ring32 = (uint32_t)(dr->dr_ring_dmabase); 3123 addrext = (ring32 & SIBA_DMA_TRANSLATION_MASK) >> 30; 3124 value = BWN_DMA32_TXENABLE; 3125 value |= (addrext << BWN_DMA32_TXADDREXT_SHIFT) 3126 & BWN_DMA32_TXADDREXT_MASK; 3127 BWN_DMA_WRITE(dr, BWN_DMA32_TXCTL, value); 3128 BWN_DMA_WRITE(dr, BWN_DMA32_TXRING, 3129 (ring32 & ~SIBA_DMA_TRANSLATION_MASK) | trans); 3130 } 3131 return; 3132 } 3133 3134 /* 3135 * set for RX 3136 */ 3137 dr->dr_usedslot = dr->dr_numslots; 3138 3139 if (dr->dr_type == BWN_DMA_64BIT) { 3140 ring64 = (uint64_t)(dr->dr_ring_dmabase); 3141 addrext = ((ring64 >> 32) & SIBA_DMA_TRANSLATION_MASK) >> 30; 3142 value = (dr->dr_frameoffset << BWN_DMA64_RXFROFF_SHIFT); 3143 value |= BWN_DMA64_RXENABLE; 3144 value |= (addrext << BWN_DMA64_RXADDREXT_SHIFT) 3145 & BWN_DMA64_RXADDREXT_MASK; 3146 BWN_DMA_WRITE(dr, BWN_DMA64_RXCTL, value); 3147 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGLO, (ring64 & 0xffffffff)); 3148 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGHI, 3149 ((ring64 >> 32) & ~SIBA_DMA_TRANSLATION_MASK) 3150 | (trans << 1)); 3151 BWN_DMA_WRITE(dr, BWN_DMA64_RXINDEX, dr->dr_numslots * 3152 sizeof(struct bwn_dmadesc64)); 3153 } else { 3154 ring32 = (uint32_t)(dr->dr_ring_dmabase); 3155 addrext = (ring32 & SIBA_DMA_TRANSLATION_MASK) >> 30; 3156 value = (dr->dr_frameoffset << BWN_DMA32_RXFROFF_SHIFT); 3157 value |= BWN_DMA32_RXENABLE; 3158 value |= (addrext << BWN_DMA32_RXADDREXT_SHIFT) 3159 & BWN_DMA32_RXADDREXT_MASK; 3160 BWN_DMA_WRITE(dr, BWN_DMA32_RXCTL, value); 3161 BWN_DMA_WRITE(dr, BWN_DMA32_RXRING, 3162 (ring32 & ~SIBA_DMA_TRANSLATION_MASK) | trans); 3163 BWN_DMA_WRITE(dr, BWN_DMA32_RXINDEX, dr->dr_numslots * 3164 sizeof(struct bwn_dmadesc32)); 3165 } 3166 } 3167 3168 static void 3169 bwn_dma_free_ringmemory(struct bwn_dma_ring *dr) 3170 { 3171 3172 bus_dmamap_unload(dr->dr_ring_dtag, dr->dr_ring_dmap); 3173 bus_dmamem_free(dr->dr_ring_dtag, dr->dr_ring_descbase, 3174 dr->dr_ring_dmap); 3175 } 3176 3177 static void 3178 bwn_dma_cleanup(struct bwn_dma_ring *dr) 3179 { 3180 3181 if (dr->dr_tx) { 3182 bwn_dma_tx_reset(dr->dr_mac, dr->dr_base, dr->dr_type); 3183 if (dr->dr_type == BWN_DMA_64BIT) { 3184 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGLO, 0); 3185 BWN_DMA_WRITE(dr, BWN_DMA64_TXRINGHI, 0); 3186 } else 3187 BWN_DMA_WRITE(dr, BWN_DMA32_TXRING, 0); 3188 } else { 3189 bwn_dma_rx_reset(dr->dr_mac, dr->dr_base, dr->dr_type); 3190 if (dr->dr_type == BWN_DMA_64BIT) { 3191 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGLO, 0); 3192 BWN_DMA_WRITE(dr, BWN_DMA64_RXRINGHI, 0); 3193 } else 3194 BWN_DMA_WRITE(dr, BWN_DMA32_RXRING, 0); 3195 } 3196 } 3197 3198 static void 3199 bwn_dma_free_descbufs(struct bwn_dma_ring *dr) 3200 { 3201 struct bwn_dmadesc_generic *desc; 3202 struct bwn_dmadesc_meta *meta; 3203 struct bwn_mac *mac = dr->dr_mac; 3204 struct bwn_dma *dma = &mac->mac_method.dma; 3205 struct bwn_softc *sc = mac->mac_sc; 3206 int i; 3207 3208 if (!dr->dr_usedslot) 3209 return; 3210 for (i = 0; i < dr->dr_numslots; i++) { 3211 dr->getdesc(dr, i, &desc, &meta); 3212 3213 if (meta->mt_m == NULL) { 3214 if (!dr->dr_tx) 3215 device_printf(sc->sc_dev, "%s: not TX?\n", 3216 __func__); 3217 continue; 3218 } 3219 if (dr->dr_tx) { 3220 if (meta->mt_txtype == BWN_DMADESC_METATYPE_HEADER) 3221 bus_dmamap_unload(dr->dr_txring_dtag, 3222 meta->mt_dmap); 3223 else if (meta->mt_txtype == BWN_DMADESC_METATYPE_BODY) 3224 bus_dmamap_unload(dma->txbuf_dtag, 3225 meta->mt_dmap); 3226 } else 3227 bus_dmamap_unload(dma->rxbuf_dtag, meta->mt_dmap); 3228 bwn_dma_free_descbuf(dr, meta); 3229 } 3230 } 3231 3232 static int 3233 bwn_dma_tx_reset(struct bwn_mac *mac, uint16_t base, 3234 int type) 3235 { 3236 struct bwn_softc *sc = mac->mac_sc; 3237 uint32_t value; 3238 int i; 3239 uint16_t offset; 3240 3241 for (i = 0; i < 10; i++) { 3242 offset = (type == BWN_DMA_64BIT) ? BWN_DMA64_TXSTATUS : 3243 BWN_DMA32_TXSTATUS; 3244 value = BWN_READ_4(mac, base + offset); 3245 if (type == BWN_DMA_64BIT) { 3246 value &= BWN_DMA64_TXSTAT; 3247 if (value == BWN_DMA64_TXSTAT_DISABLED || 3248 value == BWN_DMA64_TXSTAT_IDLEWAIT || 3249 value == BWN_DMA64_TXSTAT_STOPPED) 3250 break; 3251 } else { 3252 value &= BWN_DMA32_TXSTATE; 3253 if (value == BWN_DMA32_TXSTAT_DISABLED || 3254 value == BWN_DMA32_TXSTAT_IDLEWAIT || 3255 value == BWN_DMA32_TXSTAT_STOPPED) 3256 break; 3257 } 3258 DELAY(1000); 3259 } 3260 offset = (type == BWN_DMA_64BIT) ? BWN_DMA64_TXCTL : BWN_DMA32_TXCTL; 3261 BWN_WRITE_4(mac, base + offset, 0); 3262 for (i = 0; i < 10; i++) { 3263 offset = (type == BWN_DMA_64BIT) ? BWN_DMA64_TXSTATUS : 3264 BWN_DMA32_TXSTATUS; 3265 value = BWN_READ_4(mac, base + offset); 3266 if (type == BWN_DMA_64BIT) { 3267 value &= BWN_DMA64_TXSTAT; 3268 if (value == BWN_DMA64_TXSTAT_DISABLED) { 3269 i = -1; 3270 break; 3271 } 3272 } else { 3273 value &= BWN_DMA32_TXSTATE; 3274 if (value == BWN_DMA32_TXSTAT_DISABLED) { 3275 i = -1; 3276 break; 3277 } 3278 } 3279 DELAY(1000); 3280 } 3281 if (i != -1) { 3282 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 3283 return (ENODEV); 3284 } 3285 DELAY(1000); 3286 3287 return (0); 3288 } 3289 3290 static int 3291 bwn_dma_rx_reset(struct bwn_mac *mac, uint16_t base, 3292 int type) 3293 { 3294 struct bwn_softc *sc = mac->mac_sc; 3295 uint32_t value; 3296 int i; 3297 uint16_t offset; 3298 3299 offset = (type == BWN_DMA_64BIT) ? BWN_DMA64_RXCTL : BWN_DMA32_RXCTL; 3300 BWN_WRITE_4(mac, base + offset, 0); 3301 for (i = 0; i < 10; i++) { 3302 offset = (type == BWN_DMA_64BIT) ? BWN_DMA64_RXSTATUS : 3303 BWN_DMA32_RXSTATUS; 3304 value = BWN_READ_4(mac, base + offset); 3305 if (type == BWN_DMA_64BIT) { 3306 value &= BWN_DMA64_RXSTAT; 3307 if (value == BWN_DMA64_RXSTAT_DISABLED) { 3308 i = -1; 3309 break; 3310 } 3311 } else { 3312 value &= BWN_DMA32_RXSTATE; 3313 if (value == BWN_DMA32_RXSTAT_DISABLED) { 3314 i = -1; 3315 break; 3316 } 3317 } 3318 DELAY(1000); 3319 } 3320 if (i != -1) { 3321 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 3322 return (ENODEV); 3323 } 3324 3325 return (0); 3326 } 3327 3328 static void 3329 bwn_dma_free_descbuf(struct bwn_dma_ring *dr, 3330 struct bwn_dmadesc_meta *meta) 3331 { 3332 3333 if (meta->mt_m != NULL) { 3334 m_freem(meta->mt_m); 3335 meta->mt_m = NULL; 3336 } 3337 if (meta->mt_ni != NULL) { 3338 ieee80211_free_node(meta->mt_ni); 3339 meta->mt_ni = NULL; 3340 } 3341 } 3342 3343 static void 3344 bwn_dma_set_redzone(struct bwn_dma_ring *dr, struct mbuf *m) 3345 { 3346 struct bwn_rxhdr4 *rxhdr; 3347 unsigned char *frame; 3348 3349 rxhdr = mtod(m, struct bwn_rxhdr4 *); 3350 rxhdr->frame_len = 0; 3351 3352 KASSERT(dr->dr_rx_bufsize >= dr->dr_frameoffset + 3353 sizeof(struct bwn_plcp6) + 2, 3354 ("%s:%d: fail", __func__, __LINE__)); 3355 frame = mtod(m, char *) + dr->dr_frameoffset; 3356 memset(frame, 0xff, sizeof(struct bwn_plcp6) + 2 /* padding */); 3357 } 3358 3359 static uint8_t 3360 bwn_dma_check_redzone(struct bwn_dma_ring *dr, struct mbuf *m) 3361 { 3362 unsigned char *f = mtod(m, char *) + dr->dr_frameoffset; 3363 3364 return ((f[0] & f[1] & f[2] & f[3] & f[4] & f[5] & f[6] & f[7]) 3365 == 0xff); 3366 } 3367 3368 static void 3369 bwn_wme_init(struct bwn_mac *mac) 3370 { 3371 3372 bwn_wme_load(mac); 3373 3374 /* enable WME support. */ 3375 bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_EDCF); 3376 BWN_WRITE_2(mac, BWN_IFSCTL, BWN_READ_2(mac, BWN_IFSCTL) | 3377 BWN_IFSCTL_USE_EDCF); 3378 } 3379 3380 static void 3381 bwn_spu_setdelay(struct bwn_mac *mac, int idle) 3382 { 3383 struct bwn_softc *sc = mac->mac_sc; 3384 struct ieee80211com *ic = &sc->sc_ic; 3385 uint16_t delay; /* microsec */ 3386 3387 delay = (mac->mac_phy.type == BWN_PHYTYPE_A) ? 3700 : 1050; 3388 if (ic->ic_opmode == IEEE80211_M_IBSS || idle) 3389 delay = 500; 3390 if ((mac->mac_phy.rf_ver == 0x2050) && (mac->mac_phy.rf_rev == 8)) 3391 delay = max(delay, (uint16_t)2400); 3392 3393 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_SPU_WAKEUP, delay); 3394 } 3395 3396 static void 3397 bwn_bt_enable(struct bwn_mac *mac) 3398 { 3399 struct bwn_softc *sc = mac->mac_sc; 3400 uint64_t hf; 3401 3402 if (bwn_bluetooth == 0) 3403 return; 3404 if ((siba_sprom_get_bf_lo(sc->sc_dev) & BWN_BFL_BTCOEXIST) == 0) 3405 return; 3406 if (mac->mac_phy.type != BWN_PHYTYPE_B && !mac->mac_phy.gmode) 3407 return; 3408 3409 hf = bwn_hf_read(mac); 3410 if (siba_sprom_get_bf_lo(sc->sc_dev) & BWN_BFL_BTCMOD) 3411 hf |= BWN_HF_BT_COEXISTALT; 3412 else 3413 hf |= BWN_HF_BT_COEXIST; 3414 bwn_hf_write(mac, hf); 3415 } 3416 3417 static void 3418 bwn_set_macaddr(struct bwn_mac *mac) 3419 { 3420 3421 bwn_mac_write_bssid(mac); 3422 bwn_mac_setfilter(mac, BWN_MACFILTER_SELF, 3423 mac->mac_sc->sc_ic.ic_macaddr); 3424 } 3425 3426 static void 3427 bwn_clear_keys(struct bwn_mac *mac) 3428 { 3429 int i; 3430 3431 for (i = 0; i < mac->mac_max_nr_keys; i++) { 3432 KASSERT(i >= 0 && i < mac->mac_max_nr_keys, 3433 ("%s:%d: fail", __func__, __LINE__)); 3434 3435 bwn_key_dowrite(mac, i, BWN_SEC_ALGO_NONE, 3436 NULL, BWN_SEC_KEYSIZE, NULL); 3437 if ((i <= 3) && !BWN_SEC_NEWAPI(mac)) { 3438 bwn_key_dowrite(mac, i + 4, BWN_SEC_ALGO_NONE, 3439 NULL, BWN_SEC_KEYSIZE, NULL); 3440 } 3441 mac->mac_key[i].keyconf = NULL; 3442 } 3443 } 3444 3445 static void 3446 bwn_crypt_init(struct bwn_mac *mac) 3447 { 3448 struct bwn_softc *sc = mac->mac_sc; 3449 3450 mac->mac_max_nr_keys = (siba_get_revid(sc->sc_dev) >= 5) ? 58 : 20; 3451 KASSERT(mac->mac_max_nr_keys <= N(mac->mac_key), 3452 ("%s:%d: fail", __func__, __LINE__)); 3453 mac->mac_ktp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_KEY_TABLEP); 3454 mac->mac_ktp *= 2; 3455 if (siba_get_revid(sc->sc_dev) >= 5) 3456 BWN_WRITE_2(mac, BWN_RCMTA_COUNT, mac->mac_max_nr_keys - 8); 3457 bwn_clear_keys(mac); 3458 } 3459 3460 static void 3461 bwn_chip_exit(struct bwn_mac *mac) 3462 { 3463 struct bwn_softc *sc = mac->mac_sc; 3464 3465 bwn_phy_exit(mac); 3466 siba_gpio_set(sc->sc_dev, 0); 3467 } 3468 3469 static int 3470 bwn_fw_fillinfo(struct bwn_mac *mac) 3471 { 3472 int error; 3473 3474 error = bwn_fw_gets(mac, BWN_FWTYPE_DEFAULT); 3475 if (error == 0) 3476 return (0); 3477 error = bwn_fw_gets(mac, BWN_FWTYPE_OPENSOURCE); 3478 if (error == 0) 3479 return (0); 3480 return (error); 3481 } 3482 3483 static int 3484 bwn_gpio_init(struct bwn_mac *mac) 3485 { 3486 struct bwn_softc *sc = mac->mac_sc; 3487 uint32_t mask = 0x1f, set = 0xf, value; 3488 3489 BWN_WRITE_4(mac, BWN_MACCTL, 3490 BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_GPOUT_MASK); 3491 BWN_WRITE_2(mac, BWN_GPIO_MASK, 3492 BWN_READ_2(mac, BWN_GPIO_MASK) | 0x000f); 3493 3494 if (siba_get_chipid(sc->sc_dev) == 0x4301) { 3495 mask |= 0x0060; 3496 set |= 0x0060; 3497 } 3498 if (siba_sprom_get_bf_lo(sc->sc_dev) & BWN_BFL_PACTRL) { 3499 BWN_WRITE_2(mac, BWN_GPIO_MASK, 3500 BWN_READ_2(mac, BWN_GPIO_MASK) | 0x0200); 3501 mask |= 0x0200; 3502 set |= 0x0200; 3503 } 3504 if (siba_get_revid(sc->sc_dev) >= 2) 3505 mask |= 0x0010; 3506 3507 value = siba_gpio_get(sc->sc_dev); 3508 if (value == -1) 3509 return (0); 3510 siba_gpio_set(sc->sc_dev, (value & mask) | set); 3511 3512 return (0); 3513 } 3514 3515 static int 3516 bwn_fw_loadinitvals(struct bwn_mac *mac) 3517 { 3518 #define GETFWOFFSET(fwp, offset) \ 3519 ((const struct bwn_fwinitvals *)((const char *)fwp.fw->data + offset)) 3520 const size_t hdr_len = sizeof(struct bwn_fwhdr); 3521 const struct bwn_fwhdr *hdr; 3522 struct bwn_fw *fw = &mac->mac_fw; 3523 int error; 3524 3525 hdr = (const struct bwn_fwhdr *)(fw->initvals.fw->data); 3526 error = bwn_fwinitvals_write(mac, GETFWOFFSET(fw->initvals, hdr_len), 3527 be32toh(hdr->size), fw->initvals.fw->datasize - hdr_len); 3528 if (error) 3529 return (error); 3530 if (fw->initvals_band.fw) { 3531 hdr = (const struct bwn_fwhdr *)(fw->initvals_band.fw->data); 3532 error = bwn_fwinitvals_write(mac, 3533 GETFWOFFSET(fw->initvals_band, hdr_len), 3534 be32toh(hdr->size), 3535 fw->initvals_band.fw->datasize - hdr_len); 3536 } 3537 return (error); 3538 #undef GETFWOFFSET 3539 } 3540 3541 static int 3542 bwn_phy_init(struct bwn_mac *mac) 3543 { 3544 struct bwn_softc *sc = mac->mac_sc; 3545 int error; 3546 3547 mac->mac_phy.chan = mac->mac_phy.get_default_chan(mac); 3548 mac->mac_phy.rf_onoff(mac, 1); 3549 error = mac->mac_phy.init(mac); 3550 if (error) { 3551 device_printf(sc->sc_dev, "PHY init failed\n"); 3552 goto fail0; 3553 } 3554 error = bwn_switch_channel(mac, 3555 mac->mac_phy.get_default_chan(mac)); 3556 if (error) { 3557 device_printf(sc->sc_dev, 3558 "failed to switch default channel\n"); 3559 goto fail1; 3560 } 3561 return (0); 3562 fail1: 3563 if (mac->mac_phy.exit) 3564 mac->mac_phy.exit(mac); 3565 fail0: 3566 mac->mac_phy.rf_onoff(mac, 0); 3567 3568 return (error); 3569 } 3570 3571 static void 3572 bwn_set_txantenna(struct bwn_mac *mac, int antenna) 3573 { 3574 uint16_t ant; 3575 uint16_t tmp; 3576 3577 ant = bwn_ant2phy(antenna); 3578 3579 /* For ACK/CTS */ 3580 tmp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL); 3581 tmp = (tmp & ~BWN_TX_PHY_ANT) | ant; 3582 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_ACKCTS_PHYCTL, tmp); 3583 /* For Probe Resposes */ 3584 tmp = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL); 3585 tmp = (tmp & ~BWN_TX_PHY_ANT) | ant; 3586 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PROBE_RESP_PHYCTL, tmp); 3587 } 3588 3589 static void 3590 bwn_set_opmode(struct bwn_mac *mac) 3591 { 3592 struct bwn_softc *sc = mac->mac_sc; 3593 struct ieee80211com *ic = &sc->sc_ic; 3594 uint32_t ctl; 3595 uint16_t cfp_pretbtt; 3596 3597 ctl = BWN_READ_4(mac, BWN_MACCTL); 3598 ctl &= ~(BWN_MACCTL_HOSTAP | BWN_MACCTL_PASS_CTL | 3599 BWN_MACCTL_PASS_BADPLCP | BWN_MACCTL_PASS_BADFCS | 3600 BWN_MACCTL_PROMISC | BWN_MACCTL_BEACON_PROMISC); 3601 ctl |= BWN_MACCTL_STA; 3602 3603 if (ic->ic_opmode == IEEE80211_M_HOSTAP || 3604 ic->ic_opmode == IEEE80211_M_MBSS) 3605 ctl |= BWN_MACCTL_HOSTAP; 3606 else if (ic->ic_opmode == IEEE80211_M_IBSS) 3607 ctl &= ~BWN_MACCTL_STA; 3608 ctl |= sc->sc_filters; 3609 3610 if (siba_get_revid(sc->sc_dev) <= 4) 3611 ctl |= BWN_MACCTL_PROMISC; 3612 3613 BWN_WRITE_4(mac, BWN_MACCTL, ctl); 3614 3615 cfp_pretbtt = 2; 3616 if ((ctl & BWN_MACCTL_STA) && !(ctl & BWN_MACCTL_HOSTAP)) { 3617 if (siba_get_chipid(sc->sc_dev) == 0x4306 && 3618 siba_get_chiprev(sc->sc_dev) == 3) 3619 cfp_pretbtt = 100; 3620 else 3621 cfp_pretbtt = 50; 3622 } 3623 BWN_WRITE_2(mac, 0x612, cfp_pretbtt); 3624 } 3625 3626 static int 3627 bwn_dma_gettype(struct bwn_mac *mac) 3628 { 3629 uint32_t tmp; 3630 uint16_t base; 3631 3632 tmp = BWN_READ_4(mac, SIBA_TGSHIGH); 3633 if (tmp & SIBA_TGSHIGH_DMA64) 3634 return (BWN_DMA_64BIT); 3635 base = bwn_dma_base(0, 0); 3636 BWN_WRITE_4(mac, base + BWN_DMA32_TXCTL, BWN_DMA32_TXADDREXT_MASK); 3637 tmp = BWN_READ_4(mac, base + BWN_DMA32_TXCTL); 3638 if (tmp & BWN_DMA32_TXADDREXT_MASK) 3639 return (BWN_DMA_32BIT); 3640 3641 return (BWN_DMA_30BIT); 3642 } 3643 3644 static void 3645 bwn_dma_ring_addr(void *arg, bus_dma_segment_t *seg, int nseg, int error) 3646 { 3647 if (!error) { 3648 KASSERT(nseg == 1, ("too many segments(%d)\n", nseg)); 3649 *((bus_addr_t *)arg) = seg->ds_addr; 3650 } 3651 } 3652 3653 void 3654 bwn_dummy_transmission(struct bwn_mac *mac, int ofdm, int paon) 3655 { 3656 struct bwn_phy *phy = &mac->mac_phy; 3657 struct bwn_softc *sc = mac->mac_sc; 3658 unsigned int i, max_loop; 3659 uint16_t value; 3660 uint32_t buffer[5] = { 3661 0x00000000, 0x00d40000, 0x00000000, 0x01000000, 0x00000000 3662 }; 3663 3664 if (ofdm) { 3665 max_loop = 0x1e; 3666 buffer[0] = 0x000201cc; 3667 } else { 3668 max_loop = 0xfa; 3669 buffer[0] = 0x000b846e; 3670 } 3671 3672 BWN_ASSERT_LOCKED(mac->mac_sc); 3673 3674 for (i = 0; i < 5; i++) 3675 bwn_ram_write(mac, i * 4, buffer[i]); 3676 3677 BWN_WRITE_2(mac, 0x0568, 0x0000); 3678 BWN_WRITE_2(mac, 0x07c0, 3679 (siba_get_revid(sc->sc_dev) < 11) ? 0x0000 : 0x0100); 3680 3681 value = (ofdm ? 0x41 : 0x40); 3682 BWN_WRITE_2(mac, 0x050c, value); 3683 3684 if (phy->type == BWN_PHYTYPE_N || phy->type == BWN_PHYTYPE_LP || 3685 phy->type == BWN_PHYTYPE_LCN) 3686 BWN_WRITE_2(mac, 0x0514, 0x1a02); 3687 BWN_WRITE_2(mac, 0x0508, 0x0000); 3688 BWN_WRITE_2(mac, 0x050a, 0x0000); 3689 BWN_WRITE_2(mac, 0x054c, 0x0000); 3690 BWN_WRITE_2(mac, 0x056a, 0x0014); 3691 BWN_WRITE_2(mac, 0x0568, 0x0826); 3692 BWN_WRITE_2(mac, 0x0500, 0x0000); 3693 3694 /* XXX TODO: n phy pa override? */ 3695 3696 switch (phy->type) { 3697 case BWN_PHYTYPE_N: 3698 case BWN_PHYTYPE_LCN: 3699 BWN_WRITE_2(mac, 0x0502, 0x00d0); 3700 break; 3701 case BWN_PHYTYPE_LP: 3702 BWN_WRITE_2(mac, 0x0502, 0x0050); 3703 break; 3704 default: 3705 BWN_WRITE_2(mac, 0x0502, 0x0030); 3706 break; 3707 } 3708 3709 /* flush */ 3710 BWN_READ_2(mac, 0x0502); 3711 3712 if (phy->rf_ver == 0x2050 && phy->rf_rev <= 0x5) 3713 BWN_RF_WRITE(mac, 0x0051, 0x0017); 3714 for (i = 0x00; i < max_loop; i++) { 3715 value = BWN_READ_2(mac, 0x050e); 3716 if (value & 0x0080) 3717 break; 3718 DELAY(10); 3719 } 3720 for (i = 0x00; i < 0x0a; i++) { 3721 value = BWN_READ_2(mac, 0x050e); 3722 if (value & 0x0400) 3723 break; 3724 DELAY(10); 3725 } 3726 for (i = 0x00; i < 0x19; i++) { 3727 value = BWN_READ_2(mac, 0x0690); 3728 if (!(value & 0x0100)) 3729 break; 3730 DELAY(10); 3731 } 3732 if (phy->rf_ver == 0x2050 && phy->rf_rev <= 0x5) 3733 BWN_RF_WRITE(mac, 0x0051, 0x0037); 3734 } 3735 3736 void 3737 bwn_ram_write(struct bwn_mac *mac, uint16_t offset, uint32_t val) 3738 { 3739 uint32_t macctl; 3740 3741 KASSERT(offset % 4 == 0, ("%s:%d: fail", __func__, __LINE__)); 3742 3743 macctl = BWN_READ_4(mac, BWN_MACCTL); 3744 if (macctl & BWN_MACCTL_BIGENDIAN) 3745 printf("TODO: need swap\n"); 3746 3747 BWN_WRITE_4(mac, BWN_RAM_CONTROL, offset); 3748 BWN_BARRIER(mac, BUS_SPACE_BARRIER_WRITE); 3749 BWN_WRITE_4(mac, BWN_RAM_DATA, val); 3750 } 3751 3752 void 3753 bwn_mac_suspend(struct bwn_mac *mac) 3754 { 3755 struct bwn_softc *sc = mac->mac_sc; 3756 int i; 3757 uint32_t tmp; 3758 3759 KASSERT(mac->mac_suspended >= 0, 3760 ("%s:%d: fail", __func__, __LINE__)); 3761 3762 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: suspended=%d\n", 3763 __func__, mac->mac_suspended); 3764 3765 if (mac->mac_suspended == 0) { 3766 bwn_psctl(mac, BWN_PS_AWAKE); 3767 BWN_WRITE_4(mac, BWN_MACCTL, 3768 BWN_READ_4(mac, BWN_MACCTL) 3769 & ~BWN_MACCTL_ON); 3770 BWN_READ_4(mac, BWN_MACCTL); 3771 for (i = 35; i; i--) { 3772 tmp = BWN_READ_4(mac, BWN_INTR_REASON); 3773 if (tmp & BWN_INTR_MAC_SUSPENDED) 3774 goto out; 3775 DELAY(10); 3776 } 3777 for (i = 40; i; i--) { 3778 tmp = BWN_READ_4(mac, BWN_INTR_REASON); 3779 if (tmp & BWN_INTR_MAC_SUSPENDED) 3780 goto out; 3781 DELAY(1000); 3782 } 3783 device_printf(sc->sc_dev, "MAC suspend failed\n"); 3784 } 3785 out: 3786 mac->mac_suspended++; 3787 } 3788 3789 void 3790 bwn_mac_enable(struct bwn_mac *mac) 3791 { 3792 struct bwn_softc *sc = mac->mac_sc; 3793 uint16_t state; 3794 3795 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: suspended=%d\n", 3796 __func__, mac->mac_suspended); 3797 3798 state = bwn_shm_read_2(mac, BWN_SHARED, 3799 BWN_SHARED_UCODESTAT); 3800 if (state != BWN_SHARED_UCODESTAT_SUSPEND && 3801 state != BWN_SHARED_UCODESTAT_SLEEP) { 3802 DPRINTF(sc, BWN_DEBUG_FW, 3803 "%s: warn: firmware state (%d)\n", 3804 __func__, state); 3805 } 3806 3807 mac->mac_suspended--; 3808 KASSERT(mac->mac_suspended >= 0, 3809 ("%s:%d: fail", __func__, __LINE__)); 3810 if (mac->mac_suspended == 0) { 3811 BWN_WRITE_4(mac, BWN_MACCTL, 3812 BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_ON); 3813 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_MAC_SUSPENDED); 3814 BWN_READ_4(mac, BWN_MACCTL); 3815 BWN_READ_4(mac, BWN_INTR_REASON); 3816 bwn_psctl(mac, 0); 3817 } 3818 } 3819 3820 void 3821 bwn_psctl(struct bwn_mac *mac, uint32_t flags) 3822 { 3823 struct bwn_softc *sc = mac->mac_sc; 3824 int i; 3825 uint16_t ucstat; 3826 3827 KASSERT(!((flags & BWN_PS_ON) && (flags & BWN_PS_OFF)), 3828 ("%s:%d: fail", __func__, __LINE__)); 3829 KASSERT(!((flags & BWN_PS_AWAKE) && (flags & BWN_PS_ASLEEP)), 3830 ("%s:%d: fail", __func__, __LINE__)); 3831 3832 /* XXX forcibly awake and hwps-off */ 3833 3834 BWN_WRITE_4(mac, BWN_MACCTL, 3835 (BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_AWAKE) & 3836 ~BWN_MACCTL_HWPS); 3837 BWN_READ_4(mac, BWN_MACCTL); 3838 if (siba_get_revid(sc->sc_dev) >= 5) { 3839 for (i = 0; i < 100; i++) { 3840 ucstat = bwn_shm_read_2(mac, BWN_SHARED, 3841 BWN_SHARED_UCODESTAT); 3842 if (ucstat != BWN_SHARED_UCODESTAT_SLEEP) 3843 break; 3844 DELAY(10); 3845 } 3846 } 3847 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: ucstat=%d\n", __func__, 3848 ucstat); 3849 } 3850 3851 static int 3852 bwn_fw_gets(struct bwn_mac *mac, enum bwn_fwtype type) 3853 { 3854 struct bwn_softc *sc = mac->mac_sc; 3855 struct bwn_fw *fw = &mac->mac_fw; 3856 const uint8_t rev = siba_get_revid(sc->sc_dev); 3857 const char *filename; 3858 uint32_t high; 3859 int error; 3860 3861 /* microcode */ 3862 filename = NULL; 3863 switch (rev) { 3864 case 42: 3865 if (mac->mac_phy.type == BWN_PHYTYPE_AC) 3866 filename = "ucode42"; 3867 break; 3868 case 40: 3869 if (mac->mac_phy.type == BWN_PHYTYPE_AC) 3870 filename = "ucode40"; 3871 break; 3872 case 33: 3873 if (mac->mac_phy.type == BWN_PHYTYPE_LCN40) 3874 filename = "ucode33_lcn40"; 3875 break; 3876 case 30: 3877 if (mac->mac_phy.type == BWN_PHYTYPE_N) 3878 filename = "ucode30_mimo"; 3879 break; 3880 case 29: 3881 if (mac->mac_phy.type == BWN_PHYTYPE_HT) 3882 filename = "ucode29_mimo"; 3883 break; 3884 case 26: 3885 if (mac->mac_phy.type == BWN_PHYTYPE_HT) 3886 filename = "ucode26_mimo"; 3887 break; 3888 case 28: 3889 case 25: 3890 if (mac->mac_phy.type == BWN_PHYTYPE_N) 3891 filename = "ucode25_mimo"; 3892 else if (mac->mac_phy.type == BWN_PHYTYPE_LCN) 3893 filename = "ucode25_lcn"; 3894 break; 3895 case 24: 3896 if (mac->mac_phy.type == BWN_PHYTYPE_LCN) 3897 filename = "ucode24_lcn"; 3898 break; 3899 case 23: 3900 if (mac->mac_phy.type == BWN_PHYTYPE_N) 3901 filename = "ucode16_mimo"; 3902 break; 3903 case 16: 3904 case 17: 3905 case 18: 3906 case 19: 3907 if (mac->mac_phy.type == BWN_PHYTYPE_N) 3908 filename = "ucode16_mimo"; 3909 else if (mac->mac_phy.type == BWN_PHYTYPE_LP) 3910 filename = "ucode16_lp"; 3911 break; 3912 case 15: 3913 filename = "ucode15"; 3914 break; 3915 case 14: 3916 filename = "ucode14"; 3917 break; 3918 case 13: 3919 filename = "ucode13"; 3920 break; 3921 case 12: 3922 case 11: 3923 filename = "ucode11"; 3924 break; 3925 case 10: 3926 case 9: 3927 case 8: 3928 case 7: 3929 case 6: 3930 case 5: 3931 filename = "ucode5"; 3932 break; 3933 default: 3934 device_printf(sc->sc_dev, "no ucode for rev %d\n", rev); 3935 bwn_release_firmware(mac); 3936 return (EOPNOTSUPP); 3937 } 3938 3939 device_printf(sc->sc_dev, "ucode fw: %s\n", filename); 3940 error = bwn_fw_get(mac, type, filename, &fw->ucode); 3941 if (error) { 3942 bwn_release_firmware(mac); 3943 return (error); 3944 } 3945 3946 /* PCM */ 3947 KASSERT(fw->no_pcmfile == 0, ("%s:%d fail", __func__, __LINE__)); 3948 if (rev >= 5 && rev <= 10) { 3949 error = bwn_fw_get(mac, type, "pcm5", &fw->pcm); 3950 if (error == ENOENT) 3951 fw->no_pcmfile = 1; 3952 else if (error) { 3953 bwn_release_firmware(mac); 3954 return (error); 3955 } 3956 } else if (rev < 11) { 3957 device_printf(sc->sc_dev, "no PCM for rev %d\n", rev); 3958 bwn_release_firmware(mac); 3959 return (EOPNOTSUPP); 3960 } 3961 3962 /* initvals */ 3963 high = siba_read_4(sc->sc_dev, SIBA_TGSHIGH); 3964 switch (mac->mac_phy.type) { 3965 case BWN_PHYTYPE_A: 3966 if (rev < 5 || rev > 10) 3967 goto fail1; 3968 if (high & BWN_TGSHIGH_HAVE_2GHZ) 3969 filename = "a0g1initvals5"; 3970 else 3971 filename = "a0g0initvals5"; 3972 break; 3973 case BWN_PHYTYPE_G: 3974 if (rev >= 5 && rev <= 10) 3975 filename = "b0g0initvals5"; 3976 else if (rev >= 13) 3977 filename = "b0g0initvals13"; 3978 else 3979 goto fail1; 3980 break; 3981 case BWN_PHYTYPE_LP: 3982 if (rev == 13) 3983 filename = "lp0initvals13"; 3984 else if (rev == 14) 3985 filename = "lp0initvals14"; 3986 else if (rev >= 15) 3987 filename = "lp0initvals15"; 3988 else 3989 goto fail1; 3990 break; 3991 case BWN_PHYTYPE_N: 3992 if (rev == 30) 3993 filename = "n16initvals30"; 3994 else if (rev == 28 || rev == 25) 3995 filename = "n0initvals25"; 3996 else if (rev == 24) 3997 filename = "n0initvals24"; 3998 else if (rev == 23) 3999 filename = "n0initvals16"; 4000 else if (rev >= 16 && rev <= 18) 4001 filename = "n0initvals16"; 4002 else if (rev >= 11 && rev <= 12) 4003 filename = "n0initvals11"; 4004 else 4005 goto fail1; 4006 break; 4007 default: 4008 goto fail1; 4009 } 4010 error = bwn_fw_get(mac, type, filename, &fw->initvals); 4011 if (error) { 4012 bwn_release_firmware(mac); 4013 return (error); 4014 } 4015 4016 /* bandswitch initvals */ 4017 switch (mac->mac_phy.type) { 4018 case BWN_PHYTYPE_A: 4019 if (rev >= 5 && rev <= 10) { 4020 if (high & BWN_TGSHIGH_HAVE_2GHZ) 4021 filename = "a0g1bsinitvals5"; 4022 else 4023 filename = "a0g0bsinitvals5"; 4024 } else if (rev >= 11) 4025 filename = NULL; 4026 else 4027 goto fail1; 4028 break; 4029 case BWN_PHYTYPE_G: 4030 if (rev >= 5 && rev <= 10) 4031 filename = "b0g0bsinitvals5"; 4032 else if (rev >= 11) 4033 filename = NULL; 4034 else 4035 goto fail1; 4036 break; 4037 case BWN_PHYTYPE_LP: 4038 if (rev == 13) 4039 filename = "lp0bsinitvals13"; 4040 else if (rev == 14) 4041 filename = "lp0bsinitvals14"; 4042 else if (rev >= 15) 4043 filename = "lp0bsinitvals15"; 4044 else 4045 goto fail1; 4046 break; 4047 case BWN_PHYTYPE_N: 4048 if (rev == 30) 4049 filename = "n16bsinitvals30"; 4050 else if (rev == 28 || rev == 25) 4051 filename = "n0bsinitvals25"; 4052 else if (rev == 24) 4053 filename = "n0bsinitvals24"; 4054 else if (rev == 23) 4055 filename = "n0bsinitvals16"; 4056 else if (rev >= 16 && rev <= 18) 4057 filename = "n0bsinitvals16"; 4058 else if (rev >= 11 && rev <= 12) 4059 filename = "n0bsinitvals11"; 4060 else 4061 goto fail1; 4062 break; 4063 default: 4064 device_printf(sc->sc_dev, "unknown phy (%d)\n", 4065 mac->mac_phy.type); 4066 goto fail1; 4067 } 4068 error = bwn_fw_get(mac, type, filename, &fw->initvals_band); 4069 if (error) { 4070 bwn_release_firmware(mac); 4071 return (error); 4072 } 4073 return (0); 4074 fail1: 4075 device_printf(sc->sc_dev, "no INITVALS for rev %d, phy.type %d\n", 4076 rev, mac->mac_phy.type); 4077 bwn_release_firmware(mac); 4078 return (EOPNOTSUPP); 4079 } 4080 4081 static int 4082 bwn_fw_get(struct bwn_mac *mac, enum bwn_fwtype type, 4083 const char *name, struct bwn_fwfile *bfw) 4084 { 4085 const struct bwn_fwhdr *hdr; 4086 struct bwn_softc *sc = mac->mac_sc; 4087 const struct firmware *fw; 4088 char namebuf[64]; 4089 4090 if (name == NULL) { 4091 bwn_do_release_fw(bfw); 4092 return (0); 4093 } 4094 if (bfw->filename != NULL) { 4095 if (bfw->type == type && (strcmp(bfw->filename, name) == 0)) 4096 return (0); 4097 bwn_do_release_fw(bfw); 4098 } 4099 4100 snprintf(namebuf, sizeof(namebuf), "bwn%s_v4_%s%s", 4101 (type == BWN_FWTYPE_OPENSOURCE) ? "-open" : "", 4102 (mac->mac_phy.type == BWN_PHYTYPE_LP) ? "lp_" : "", name); 4103 /* XXX Sleeping on "fwload" with the non-sleepable locks held */ 4104 fw = firmware_get(namebuf); 4105 if (fw == NULL) { 4106 device_printf(sc->sc_dev, "the fw file(%s) not found\n", 4107 namebuf); 4108 return (ENOENT); 4109 } 4110 if (fw->datasize < sizeof(struct bwn_fwhdr)) 4111 goto fail; 4112 hdr = (const struct bwn_fwhdr *)(fw->data); 4113 switch (hdr->type) { 4114 case BWN_FWTYPE_UCODE: 4115 case BWN_FWTYPE_PCM: 4116 if (be32toh(hdr->size) != 4117 (fw->datasize - sizeof(struct bwn_fwhdr))) 4118 goto fail; 4119 /* FALLTHROUGH */ 4120 case BWN_FWTYPE_IV: 4121 if (hdr->ver != 1) 4122 goto fail; 4123 break; 4124 default: 4125 goto fail; 4126 } 4127 bfw->filename = name; 4128 bfw->fw = fw; 4129 bfw->type = type; 4130 return (0); 4131 fail: 4132 device_printf(sc->sc_dev, "the fw file(%s) format error\n", namebuf); 4133 if (fw != NULL) 4134 firmware_put(fw, FIRMWARE_UNLOAD); 4135 return (EPROTO); 4136 } 4137 4138 static void 4139 bwn_release_firmware(struct bwn_mac *mac) 4140 { 4141 4142 bwn_do_release_fw(&mac->mac_fw.ucode); 4143 bwn_do_release_fw(&mac->mac_fw.pcm); 4144 bwn_do_release_fw(&mac->mac_fw.initvals); 4145 bwn_do_release_fw(&mac->mac_fw.initvals_band); 4146 } 4147 4148 static void 4149 bwn_do_release_fw(struct bwn_fwfile *bfw) 4150 { 4151 4152 if (bfw->fw != NULL) 4153 firmware_put(bfw->fw, FIRMWARE_UNLOAD); 4154 bfw->fw = NULL; 4155 bfw->filename = NULL; 4156 } 4157 4158 static int 4159 bwn_fw_loaducode(struct bwn_mac *mac) 4160 { 4161 #define GETFWOFFSET(fwp, offset) \ 4162 ((const uint32_t *)((const char *)fwp.fw->data + offset)) 4163 #define GETFWSIZE(fwp, offset) \ 4164 ((fwp.fw->datasize - offset) / sizeof(uint32_t)) 4165 struct bwn_softc *sc = mac->mac_sc; 4166 const uint32_t *data; 4167 unsigned int i; 4168 uint32_t ctl; 4169 uint16_t date, fwcaps, time; 4170 int error = 0; 4171 4172 ctl = BWN_READ_4(mac, BWN_MACCTL); 4173 ctl |= BWN_MACCTL_MCODE_JMP0; 4174 KASSERT(!(ctl & BWN_MACCTL_MCODE_RUN), ("%s:%d: fail", __func__, 4175 __LINE__)); 4176 BWN_WRITE_4(mac, BWN_MACCTL, ctl); 4177 for (i = 0; i < 64; i++) 4178 bwn_shm_write_2(mac, BWN_SCRATCH, i, 0); 4179 for (i = 0; i < 4096; i += 2) 4180 bwn_shm_write_2(mac, BWN_SHARED, i, 0); 4181 4182 data = GETFWOFFSET(mac->mac_fw.ucode, sizeof(struct bwn_fwhdr)); 4183 bwn_shm_ctlword(mac, BWN_UCODE | BWN_SHARED_AUTOINC, 0x0000); 4184 for (i = 0; i < GETFWSIZE(mac->mac_fw.ucode, sizeof(struct bwn_fwhdr)); 4185 i++) { 4186 BWN_WRITE_4(mac, BWN_SHM_DATA, be32toh(data[i])); 4187 DELAY(10); 4188 } 4189 4190 if (mac->mac_fw.pcm.fw) { 4191 data = GETFWOFFSET(mac->mac_fw.pcm, sizeof(struct bwn_fwhdr)); 4192 bwn_shm_ctlword(mac, BWN_HW, 0x01ea); 4193 BWN_WRITE_4(mac, BWN_SHM_DATA, 0x00004000); 4194 bwn_shm_ctlword(mac, BWN_HW, 0x01eb); 4195 for (i = 0; i < GETFWSIZE(mac->mac_fw.pcm, 4196 sizeof(struct bwn_fwhdr)); i++) { 4197 BWN_WRITE_4(mac, BWN_SHM_DATA, be32toh(data[i])); 4198 DELAY(10); 4199 } 4200 } 4201 4202 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_ALL); 4203 BWN_WRITE_4(mac, BWN_MACCTL, 4204 (BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_MCODE_JMP0) | 4205 BWN_MACCTL_MCODE_RUN); 4206 4207 for (i = 0; i < 21; i++) { 4208 if (BWN_READ_4(mac, BWN_INTR_REASON) == BWN_INTR_MAC_SUSPENDED) 4209 break; 4210 if (i >= 20) { 4211 device_printf(sc->sc_dev, "ucode timeout\n"); 4212 error = ENXIO; 4213 goto error; 4214 } 4215 DELAY(50000); 4216 } 4217 BWN_READ_4(mac, BWN_INTR_REASON); 4218 4219 mac->mac_fw.rev = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_REV); 4220 if (mac->mac_fw.rev <= 0x128) { 4221 device_printf(sc->sc_dev, "the firmware is too old\n"); 4222 error = EOPNOTSUPP; 4223 goto error; 4224 } 4225 4226 /* 4227 * Determine firmware header version; needed for TX/RX packet 4228 * handling. 4229 */ 4230 if (mac->mac_fw.rev >= 598) 4231 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_598; 4232 else if (mac->mac_fw.rev >= 410) 4233 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_410; 4234 else 4235 mac->mac_fw.fw_hdr_format = BWN_FW_HDR_351; 4236 4237 /* 4238 * We don't support rev 598 or later; that requires 4239 * another round of changes to the TX/RX descriptor 4240 * and status layout. 4241 * 4242 * So, complain this is the case and exit out, rather 4243 * than attaching and then failing. 4244 */ 4245 #if 0 4246 if (mac->mac_fw.fw_hdr_format == BWN_FW_HDR_598) { 4247 device_printf(sc->sc_dev, 4248 "firmware is too new (>=598); not supported\n"); 4249 error = EOPNOTSUPP; 4250 goto error; 4251 } 4252 #endif 4253 4254 mac->mac_fw.patch = bwn_shm_read_2(mac, BWN_SHARED, 4255 BWN_SHARED_UCODE_PATCH); 4256 date = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_DATE); 4257 mac->mac_fw.opensource = (date == 0xffff); 4258 if (bwn_wme != 0) 4259 mac->mac_flags |= BWN_MAC_FLAG_WME; 4260 mac->mac_flags |= BWN_MAC_FLAG_HWCRYPTO; 4261 4262 time = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_UCODE_TIME); 4263 if (mac->mac_fw.opensource == 0) { 4264 device_printf(sc->sc_dev, 4265 "firmware version (rev %u patch %u date %#x time %#x)\n", 4266 mac->mac_fw.rev, mac->mac_fw.patch, date, time); 4267 if (mac->mac_fw.no_pcmfile) 4268 device_printf(sc->sc_dev, 4269 "no HW crypto acceleration due to pcm5\n"); 4270 } else { 4271 mac->mac_fw.patch = time; 4272 fwcaps = bwn_fwcaps_read(mac); 4273 if (!(fwcaps & BWN_FWCAPS_HWCRYPTO) || mac->mac_fw.no_pcmfile) { 4274 device_printf(sc->sc_dev, 4275 "disabling HW crypto acceleration\n"); 4276 mac->mac_flags &= ~BWN_MAC_FLAG_HWCRYPTO; 4277 } 4278 if (!(fwcaps & BWN_FWCAPS_WME)) { 4279 device_printf(sc->sc_dev, "disabling WME support\n"); 4280 mac->mac_flags &= ~BWN_MAC_FLAG_WME; 4281 } 4282 } 4283 4284 if (BWN_ISOLDFMT(mac)) 4285 device_printf(sc->sc_dev, "using old firmware image\n"); 4286 4287 return (0); 4288 4289 error: 4290 BWN_WRITE_4(mac, BWN_MACCTL, 4291 (BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_MCODE_RUN) | 4292 BWN_MACCTL_MCODE_JMP0); 4293 4294 return (error); 4295 #undef GETFWSIZE 4296 #undef GETFWOFFSET 4297 } 4298 4299 /* OpenFirmware only */ 4300 static uint16_t 4301 bwn_fwcaps_read(struct bwn_mac *mac) 4302 { 4303 4304 KASSERT(mac->mac_fw.opensource == 1, 4305 ("%s:%d: fail", __func__, __LINE__)); 4306 return (bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_FWCAPS)); 4307 } 4308 4309 static int 4310 bwn_fwinitvals_write(struct bwn_mac *mac, const struct bwn_fwinitvals *ivals, 4311 size_t count, size_t array_size) 4312 { 4313 #define GET_NEXTIV16(iv) \ 4314 ((const struct bwn_fwinitvals *)((const uint8_t *)(iv) + \ 4315 sizeof(uint16_t) + sizeof(uint16_t))) 4316 #define GET_NEXTIV32(iv) \ 4317 ((const struct bwn_fwinitvals *)((const uint8_t *)(iv) + \ 4318 sizeof(uint16_t) + sizeof(uint32_t))) 4319 struct bwn_softc *sc = mac->mac_sc; 4320 const struct bwn_fwinitvals *iv; 4321 uint16_t offset; 4322 size_t i; 4323 uint8_t bit32; 4324 4325 KASSERT(sizeof(struct bwn_fwinitvals) == 6, 4326 ("%s:%d: fail", __func__, __LINE__)); 4327 iv = ivals; 4328 for (i = 0; i < count; i++) { 4329 if (array_size < sizeof(iv->offset_size)) 4330 goto fail; 4331 array_size -= sizeof(iv->offset_size); 4332 offset = be16toh(iv->offset_size); 4333 bit32 = (offset & BWN_FWINITVALS_32BIT) ? 1 : 0; 4334 offset &= BWN_FWINITVALS_OFFSET_MASK; 4335 if (offset >= 0x1000) 4336 goto fail; 4337 if (bit32) { 4338 if (array_size < sizeof(iv->data.d32)) 4339 goto fail; 4340 array_size -= sizeof(iv->data.d32); 4341 BWN_WRITE_4(mac, offset, be32toh(iv->data.d32)); 4342 iv = GET_NEXTIV32(iv); 4343 } else { 4344 4345 if (array_size < sizeof(iv->data.d16)) 4346 goto fail; 4347 array_size -= sizeof(iv->data.d16); 4348 BWN_WRITE_2(mac, offset, be16toh(iv->data.d16)); 4349 4350 iv = GET_NEXTIV16(iv); 4351 } 4352 } 4353 if (array_size != 0) 4354 goto fail; 4355 return (0); 4356 fail: 4357 device_printf(sc->sc_dev, "initvals: invalid format\n"); 4358 return (EPROTO); 4359 #undef GET_NEXTIV16 4360 #undef GET_NEXTIV32 4361 } 4362 4363 int 4364 bwn_switch_channel(struct bwn_mac *mac, int chan) 4365 { 4366 struct bwn_phy *phy = &(mac->mac_phy); 4367 struct bwn_softc *sc = mac->mac_sc; 4368 struct ieee80211com *ic = &sc->sc_ic; 4369 uint16_t channelcookie, savedcookie; 4370 int error; 4371 4372 if (chan == 0xffff) 4373 chan = phy->get_default_chan(mac); 4374 4375 channelcookie = chan; 4376 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 4377 channelcookie |= 0x100; 4378 savedcookie = bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_CHAN); 4379 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_CHAN, channelcookie); 4380 error = phy->switch_channel(mac, chan); 4381 if (error) 4382 goto fail; 4383 4384 mac->mac_phy.chan = chan; 4385 DELAY(8000); 4386 return (0); 4387 fail: 4388 device_printf(sc->sc_dev, "failed to switch channel\n"); 4389 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_CHAN, savedcookie); 4390 return (error); 4391 } 4392 4393 static uint16_t 4394 bwn_ant2phy(int antenna) 4395 { 4396 4397 switch (antenna) { 4398 case BWN_ANT0: 4399 return (BWN_TX_PHY_ANT0); 4400 case BWN_ANT1: 4401 return (BWN_TX_PHY_ANT1); 4402 case BWN_ANT2: 4403 return (BWN_TX_PHY_ANT2); 4404 case BWN_ANT3: 4405 return (BWN_TX_PHY_ANT3); 4406 case BWN_ANTAUTO: 4407 return (BWN_TX_PHY_ANT01AUTO); 4408 } 4409 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 4410 return (0); 4411 } 4412 4413 static void 4414 bwn_wme_load(struct bwn_mac *mac) 4415 { 4416 struct bwn_softc *sc = mac->mac_sc; 4417 int i; 4418 4419 KASSERT(N(bwn_wme_shm_offsets) == N(sc->sc_wmeParams), 4420 ("%s:%d: fail", __func__, __LINE__)); 4421 4422 bwn_mac_suspend(mac); 4423 for (i = 0; i < N(sc->sc_wmeParams); i++) 4424 bwn_wme_loadparams(mac, &(sc->sc_wmeParams[i]), 4425 bwn_wme_shm_offsets[i]); 4426 bwn_mac_enable(mac); 4427 } 4428 4429 static void 4430 bwn_wme_loadparams(struct bwn_mac *mac, 4431 const struct wmeParams *p, uint16_t shm_offset) 4432 { 4433 #define SM(_v, _f) (((_v) << _f##_S) & _f) 4434 struct bwn_softc *sc = mac->mac_sc; 4435 uint16_t params[BWN_NR_WMEPARAMS]; 4436 int slot, tmp; 4437 unsigned int i; 4438 4439 slot = BWN_READ_2(mac, BWN_RNG) & 4440 SM(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4441 4442 memset(¶ms, 0, sizeof(params)); 4443 4444 DPRINTF(sc, BWN_DEBUG_WME, "wmep_txopLimit %d wmep_logcwmin %d " 4445 "wmep_logcwmax %d wmep_aifsn %d\n", p->wmep_txopLimit, 4446 p->wmep_logcwmin, p->wmep_logcwmax, p->wmep_aifsn); 4447 4448 params[BWN_WMEPARAM_TXOP] = p->wmep_txopLimit * 32; 4449 params[BWN_WMEPARAM_CWMIN] = SM(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4450 params[BWN_WMEPARAM_CWMAX] = SM(p->wmep_logcwmax, WME_PARAM_LOGCWMAX); 4451 params[BWN_WMEPARAM_CWCUR] = SM(p->wmep_logcwmin, WME_PARAM_LOGCWMIN); 4452 params[BWN_WMEPARAM_AIFS] = p->wmep_aifsn; 4453 params[BWN_WMEPARAM_BSLOTS] = slot; 4454 params[BWN_WMEPARAM_REGGAP] = slot + p->wmep_aifsn; 4455 4456 for (i = 0; i < N(params); i++) { 4457 if (i == BWN_WMEPARAM_STATUS) { 4458 tmp = bwn_shm_read_2(mac, BWN_SHARED, 4459 shm_offset + (i * 2)); 4460 tmp |= 0x100; 4461 bwn_shm_write_2(mac, BWN_SHARED, shm_offset + (i * 2), 4462 tmp); 4463 } else { 4464 bwn_shm_write_2(mac, BWN_SHARED, shm_offset + (i * 2), 4465 params[i]); 4466 } 4467 } 4468 } 4469 4470 static void 4471 bwn_mac_write_bssid(struct bwn_mac *mac) 4472 { 4473 struct bwn_softc *sc = mac->mac_sc; 4474 uint32_t tmp; 4475 int i; 4476 uint8_t mac_bssid[IEEE80211_ADDR_LEN * 2]; 4477 4478 bwn_mac_setfilter(mac, BWN_MACFILTER_BSSID, sc->sc_bssid); 4479 memcpy(mac_bssid, sc->sc_ic.ic_macaddr, IEEE80211_ADDR_LEN); 4480 memcpy(mac_bssid + IEEE80211_ADDR_LEN, sc->sc_bssid, 4481 IEEE80211_ADDR_LEN); 4482 4483 for (i = 0; i < N(mac_bssid); i += sizeof(uint32_t)) { 4484 tmp = (uint32_t) (mac_bssid[i + 0]); 4485 tmp |= (uint32_t) (mac_bssid[i + 1]) << 8; 4486 tmp |= (uint32_t) (mac_bssid[i + 2]) << 16; 4487 tmp |= (uint32_t) (mac_bssid[i + 3]) << 24; 4488 bwn_ram_write(mac, 0x20 + i, tmp); 4489 } 4490 } 4491 4492 static void 4493 bwn_mac_setfilter(struct bwn_mac *mac, uint16_t offset, 4494 const uint8_t *macaddr) 4495 { 4496 static const uint8_t zero[IEEE80211_ADDR_LEN] = { 0 }; 4497 uint16_t data; 4498 4499 if (!mac) 4500 macaddr = zero; 4501 4502 offset |= 0x0020; 4503 BWN_WRITE_2(mac, BWN_MACFILTER_CONTROL, offset); 4504 4505 data = macaddr[0]; 4506 data |= macaddr[1] << 8; 4507 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4508 data = macaddr[2]; 4509 data |= macaddr[3] << 8; 4510 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4511 data = macaddr[4]; 4512 data |= macaddr[5] << 8; 4513 BWN_WRITE_2(mac, BWN_MACFILTER_DATA, data); 4514 } 4515 4516 static void 4517 bwn_key_dowrite(struct bwn_mac *mac, uint8_t index, uint8_t algorithm, 4518 const uint8_t *key, size_t key_len, const uint8_t *mac_addr) 4519 { 4520 uint8_t buf[BWN_SEC_KEYSIZE] = { 0, }; 4521 uint8_t per_sta_keys_start = 8; 4522 4523 if (BWN_SEC_NEWAPI(mac)) 4524 per_sta_keys_start = 4; 4525 4526 KASSERT(index < mac->mac_max_nr_keys, 4527 ("%s:%d: fail", __func__, __LINE__)); 4528 KASSERT(key_len <= BWN_SEC_KEYSIZE, 4529 ("%s:%d: fail", __func__, __LINE__)); 4530 4531 if (index >= per_sta_keys_start) 4532 bwn_key_macwrite(mac, index, NULL); 4533 if (key) 4534 memcpy(buf, key, key_len); 4535 bwn_key_write(mac, index, algorithm, buf); 4536 if (index >= per_sta_keys_start) 4537 bwn_key_macwrite(mac, index, mac_addr); 4538 4539 mac->mac_key[index].algorithm = algorithm; 4540 } 4541 4542 static void 4543 bwn_key_macwrite(struct bwn_mac *mac, uint8_t index, const uint8_t *addr) 4544 { 4545 struct bwn_softc *sc = mac->mac_sc; 4546 uint32_t addrtmp[2] = { 0, 0 }; 4547 uint8_t start = 8; 4548 4549 if (BWN_SEC_NEWAPI(mac)) 4550 start = 4; 4551 4552 KASSERT(index >= start, 4553 ("%s:%d: fail", __func__, __LINE__)); 4554 index -= start; 4555 4556 if (addr) { 4557 addrtmp[0] = addr[0]; 4558 addrtmp[0] |= ((uint32_t) (addr[1]) << 8); 4559 addrtmp[0] |= ((uint32_t) (addr[2]) << 16); 4560 addrtmp[0] |= ((uint32_t) (addr[3]) << 24); 4561 addrtmp[1] = addr[4]; 4562 addrtmp[1] |= ((uint32_t) (addr[5]) << 8); 4563 } 4564 4565 if (siba_get_revid(sc->sc_dev) >= 5) { 4566 bwn_shm_write_4(mac, BWN_RCMTA, (index * 2) + 0, addrtmp[0]); 4567 bwn_shm_write_2(mac, BWN_RCMTA, (index * 2) + 1, addrtmp[1]); 4568 } else { 4569 if (index >= 8) { 4570 bwn_shm_write_4(mac, BWN_SHARED, 4571 BWN_SHARED_PSM + (index * 6) + 0, addrtmp[0]); 4572 bwn_shm_write_2(mac, BWN_SHARED, 4573 BWN_SHARED_PSM + (index * 6) + 4, addrtmp[1]); 4574 } 4575 } 4576 } 4577 4578 static void 4579 bwn_key_write(struct bwn_mac *mac, uint8_t index, uint8_t algorithm, 4580 const uint8_t *key) 4581 { 4582 unsigned int i; 4583 uint32_t offset; 4584 uint16_t kidx, value; 4585 4586 kidx = BWN_SEC_KEY2FW(mac, index); 4587 bwn_shm_write_2(mac, BWN_SHARED, 4588 BWN_SHARED_KEYIDX_BLOCK + (kidx * 2), (kidx << 4) | algorithm); 4589 4590 offset = mac->mac_ktp + (index * BWN_SEC_KEYSIZE); 4591 for (i = 0; i < BWN_SEC_KEYSIZE; i += 2) { 4592 value = key[i]; 4593 value |= (uint16_t)(key[i + 1]) << 8; 4594 bwn_shm_write_2(mac, BWN_SHARED, offset + i, value); 4595 } 4596 } 4597 4598 static void 4599 bwn_phy_exit(struct bwn_mac *mac) 4600 { 4601 4602 mac->mac_phy.rf_onoff(mac, 0); 4603 if (mac->mac_phy.exit != NULL) 4604 mac->mac_phy.exit(mac); 4605 } 4606 4607 static void 4608 bwn_dma_free(struct bwn_mac *mac) 4609 { 4610 struct bwn_dma *dma; 4611 4612 if ((mac->mac_flags & BWN_MAC_FLAG_DMA) == 0) 4613 return; 4614 dma = &mac->mac_method.dma; 4615 4616 bwn_dma_ringfree(&dma->rx); 4617 bwn_dma_ringfree(&dma->wme[WME_AC_BK]); 4618 bwn_dma_ringfree(&dma->wme[WME_AC_BE]); 4619 bwn_dma_ringfree(&dma->wme[WME_AC_VI]); 4620 bwn_dma_ringfree(&dma->wme[WME_AC_VO]); 4621 bwn_dma_ringfree(&dma->mcast); 4622 } 4623 4624 static void 4625 bwn_core_stop(struct bwn_mac *mac) 4626 { 4627 struct bwn_softc *sc = mac->mac_sc; 4628 4629 BWN_ASSERT_LOCKED(sc); 4630 4631 if (mac->mac_status < BWN_MAC_STATUS_STARTED) 4632 return; 4633 4634 callout_stop(&sc->sc_rfswitch_ch); 4635 callout_stop(&sc->sc_task_ch); 4636 callout_stop(&sc->sc_watchdog_ch); 4637 sc->sc_watchdog_timer = 0; 4638 BWN_WRITE_4(mac, BWN_INTR_MASK, 0); 4639 BWN_READ_4(mac, BWN_INTR_MASK); 4640 bwn_mac_suspend(mac); 4641 4642 mac->mac_status = BWN_MAC_STATUS_INITED; 4643 } 4644 4645 static int 4646 bwn_switch_band(struct bwn_softc *sc, struct ieee80211_channel *chan) 4647 { 4648 struct bwn_mac *up_dev = NULL; 4649 struct bwn_mac *down_dev; 4650 struct bwn_mac *mac; 4651 int err, status; 4652 uint8_t gmode; 4653 4654 BWN_ASSERT_LOCKED(sc); 4655 4656 TAILQ_FOREACH(mac, &sc->sc_maclist, mac_list) { 4657 if (IEEE80211_IS_CHAN_2GHZ(chan) && 4658 mac->mac_phy.supports_2ghz) { 4659 up_dev = mac; 4660 gmode = 1; 4661 } else if (IEEE80211_IS_CHAN_5GHZ(chan) && 4662 mac->mac_phy.supports_5ghz) { 4663 up_dev = mac; 4664 gmode = 0; 4665 } else { 4666 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 4667 return (EINVAL); 4668 } 4669 if (up_dev != NULL) 4670 break; 4671 } 4672 if (up_dev == NULL) { 4673 device_printf(sc->sc_dev, "Could not find a device\n"); 4674 return (ENODEV); 4675 } 4676 if (up_dev == sc->sc_curmac && sc->sc_curmac->mac_phy.gmode == gmode) 4677 return (0); 4678 4679 DPRINTF(sc, BWN_DEBUG_RF | BWN_DEBUG_PHY | BWN_DEBUG_RESET, 4680 "switching to %s-GHz band\n", 4681 IEEE80211_IS_CHAN_2GHZ(chan) ? "2" : "5"); 4682 4683 down_dev = sc->sc_curmac; 4684 status = down_dev->mac_status; 4685 if (status >= BWN_MAC_STATUS_STARTED) 4686 bwn_core_stop(down_dev); 4687 if (status >= BWN_MAC_STATUS_INITED) 4688 bwn_core_exit(down_dev); 4689 4690 if (down_dev != up_dev) 4691 bwn_phy_reset(down_dev); 4692 4693 up_dev->mac_phy.gmode = gmode; 4694 if (status >= BWN_MAC_STATUS_INITED) { 4695 err = bwn_core_init(up_dev); 4696 if (err) { 4697 device_printf(sc->sc_dev, 4698 "fatal: failed to initialize for %s-GHz\n", 4699 IEEE80211_IS_CHAN_2GHZ(chan) ? "2" : "5"); 4700 goto fail; 4701 } 4702 } 4703 if (status >= BWN_MAC_STATUS_STARTED) 4704 bwn_core_start(up_dev); 4705 KASSERT(up_dev->mac_status == status, ("%s: fail", __func__)); 4706 sc->sc_curmac = up_dev; 4707 4708 return (0); 4709 fail: 4710 sc->sc_curmac = NULL; 4711 return (err); 4712 } 4713 4714 static void 4715 bwn_rf_turnon(struct bwn_mac *mac) 4716 { 4717 4718 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 4719 4720 bwn_mac_suspend(mac); 4721 mac->mac_phy.rf_onoff(mac, 1); 4722 mac->mac_phy.rf_on = 1; 4723 bwn_mac_enable(mac); 4724 } 4725 4726 static void 4727 bwn_rf_turnoff(struct bwn_mac *mac) 4728 { 4729 4730 DPRINTF(mac->mac_sc, BWN_DEBUG_RESET, "%s: called\n", __func__); 4731 4732 bwn_mac_suspend(mac); 4733 mac->mac_phy.rf_onoff(mac, 0); 4734 mac->mac_phy.rf_on = 0; 4735 bwn_mac_enable(mac); 4736 } 4737 4738 /* 4739 * PHY reset. 4740 */ 4741 static void 4742 bwn_phy_reset(struct bwn_mac *mac) 4743 { 4744 struct bwn_softc *sc = mac->mac_sc; 4745 4746 siba_write_4(sc->sc_dev, SIBA_TGSLOW, 4747 ((siba_read_4(sc->sc_dev, SIBA_TGSLOW) & ~BWN_TGSLOW_SUPPORT_G) | 4748 BWN_TGSLOW_PHYRESET) | SIBA_TGSLOW_FGC); 4749 DELAY(1000); 4750 siba_write_4(sc->sc_dev, SIBA_TGSLOW, 4751 (siba_read_4(sc->sc_dev, SIBA_TGSLOW) & ~SIBA_TGSLOW_FGC)); 4752 DELAY(1000); 4753 } 4754 4755 static int 4756 bwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 4757 { 4758 struct bwn_vap *bvp = BWN_VAP(vap); 4759 struct ieee80211com *ic= vap->iv_ic; 4760 enum ieee80211_state ostate = vap->iv_state; 4761 struct bwn_softc *sc = ic->ic_softc; 4762 struct bwn_mac *mac = sc->sc_curmac; 4763 int error; 4764 4765 DPRINTF(sc, BWN_DEBUG_STATE, "%s: %s -> %s\n", __func__, 4766 ieee80211_state_name[vap->iv_state], 4767 ieee80211_state_name[nstate]); 4768 4769 error = bvp->bv_newstate(vap, nstate, arg); 4770 if (error != 0) 4771 return (error); 4772 4773 BWN_LOCK(sc); 4774 4775 bwn_led_newstate(mac, nstate); 4776 4777 /* 4778 * Clear the BSSID when we stop a STA 4779 */ 4780 if (vap->iv_opmode == IEEE80211_M_STA) { 4781 if (ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_RUN) { 4782 /* 4783 * Clear out the BSSID. If we reassociate to 4784 * the same AP, this will reinialize things 4785 * correctly... 4786 */ 4787 if (ic->ic_opmode == IEEE80211_M_STA && 4788 (sc->sc_flags & BWN_FLAG_INVALID) == 0) { 4789 memset(sc->sc_bssid, 0, IEEE80211_ADDR_LEN); 4790 bwn_set_macaddr(mac); 4791 } 4792 } 4793 } 4794 4795 if (vap->iv_opmode == IEEE80211_M_MONITOR || 4796 vap->iv_opmode == IEEE80211_M_AHDEMO) { 4797 /* XXX nothing to do? */ 4798 } else if (nstate == IEEE80211_S_RUN) { 4799 memcpy(sc->sc_bssid, vap->iv_bss->ni_bssid, IEEE80211_ADDR_LEN); 4800 bwn_set_opmode(mac); 4801 bwn_set_pretbtt(mac); 4802 bwn_spu_setdelay(mac, 0); 4803 bwn_set_macaddr(mac); 4804 } 4805 4806 BWN_UNLOCK(sc); 4807 4808 return (error); 4809 } 4810 4811 static void 4812 bwn_set_pretbtt(struct bwn_mac *mac) 4813 { 4814 struct bwn_softc *sc = mac->mac_sc; 4815 struct ieee80211com *ic = &sc->sc_ic; 4816 uint16_t pretbtt; 4817 4818 if (ic->ic_opmode == IEEE80211_M_IBSS) 4819 pretbtt = 2; 4820 else 4821 pretbtt = (mac->mac_phy.type == BWN_PHYTYPE_A) ? 120 : 250; 4822 bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_PRETBTT, pretbtt); 4823 BWN_WRITE_2(mac, BWN_TSF_CFP_PRETBTT, pretbtt); 4824 } 4825 4826 static int 4827 bwn_intr(void *arg) 4828 { 4829 struct bwn_mac *mac = arg; 4830 struct bwn_softc *sc = mac->mac_sc; 4831 uint32_t reason; 4832 4833 if (mac->mac_status < BWN_MAC_STATUS_STARTED || 4834 (sc->sc_flags & BWN_FLAG_INVALID)) 4835 return (FILTER_STRAY); 4836 4837 DPRINTF(sc, BWN_DEBUG_INTR, "%s: called\n", __func__); 4838 4839 reason = BWN_READ_4(mac, BWN_INTR_REASON); 4840 if (reason == 0xffffffff) /* shared IRQ */ 4841 return (FILTER_STRAY); 4842 reason &= mac->mac_intr_mask; 4843 if (reason == 0) 4844 return (FILTER_HANDLED); 4845 DPRINTF(sc, BWN_DEBUG_INTR, "%s: reason=0x%08x\n", __func__, reason); 4846 4847 mac->mac_reason[0] = BWN_READ_4(mac, BWN_DMA0_REASON) & 0x0001dc00; 4848 mac->mac_reason[1] = BWN_READ_4(mac, BWN_DMA1_REASON) & 0x0000dc00; 4849 mac->mac_reason[2] = BWN_READ_4(mac, BWN_DMA2_REASON) & 0x0000dc00; 4850 mac->mac_reason[3] = BWN_READ_4(mac, BWN_DMA3_REASON) & 0x0001dc00; 4851 mac->mac_reason[4] = BWN_READ_4(mac, BWN_DMA4_REASON) & 0x0000dc00; 4852 BWN_WRITE_4(mac, BWN_INTR_REASON, reason); 4853 BWN_WRITE_4(mac, BWN_DMA0_REASON, mac->mac_reason[0]); 4854 BWN_WRITE_4(mac, BWN_DMA1_REASON, mac->mac_reason[1]); 4855 BWN_WRITE_4(mac, BWN_DMA2_REASON, mac->mac_reason[2]); 4856 BWN_WRITE_4(mac, BWN_DMA3_REASON, mac->mac_reason[3]); 4857 BWN_WRITE_4(mac, BWN_DMA4_REASON, mac->mac_reason[4]); 4858 4859 /* Disable interrupts. */ 4860 BWN_WRITE_4(mac, BWN_INTR_MASK, 0); 4861 4862 mac->mac_reason_intr = reason; 4863 4864 BWN_BARRIER(mac, BUS_SPACE_BARRIER_READ); 4865 BWN_BARRIER(mac, BUS_SPACE_BARRIER_WRITE); 4866 4867 taskqueue_enqueue(sc->sc_tq, &mac->mac_intrtask); 4868 return (FILTER_HANDLED); 4869 } 4870 4871 static void 4872 bwn_intrtask(void *arg, int npending) 4873 { 4874 struct bwn_mac *mac = arg; 4875 struct bwn_softc *sc = mac->mac_sc; 4876 uint32_t merged = 0; 4877 int i, tx = 0, rx = 0; 4878 4879 BWN_LOCK(sc); 4880 if (mac->mac_status < BWN_MAC_STATUS_STARTED || 4881 (sc->sc_flags & BWN_FLAG_INVALID)) { 4882 BWN_UNLOCK(sc); 4883 return; 4884 } 4885 4886 for (i = 0; i < N(mac->mac_reason); i++) 4887 merged |= mac->mac_reason[i]; 4888 4889 if (mac->mac_reason_intr & BWN_INTR_MAC_TXERR) 4890 device_printf(sc->sc_dev, "MAC trans error\n"); 4891 4892 if (mac->mac_reason_intr & BWN_INTR_PHY_TXERR) { 4893 DPRINTF(sc, BWN_DEBUG_INTR, "%s: PHY trans error\n", __func__); 4894 mac->mac_phy.txerrors--; 4895 if (mac->mac_phy.txerrors == 0) { 4896 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 4897 bwn_restart(mac, "PHY TX errors"); 4898 } 4899 } 4900 4901 if (merged & (BWN_DMAINTR_FATALMASK | BWN_DMAINTR_NONFATALMASK)) { 4902 if (merged & BWN_DMAINTR_FATALMASK) { 4903 device_printf(sc->sc_dev, 4904 "Fatal DMA error: %#x %#x %#x %#x %#x %#x\n", 4905 mac->mac_reason[0], mac->mac_reason[1], 4906 mac->mac_reason[2], mac->mac_reason[3], 4907 mac->mac_reason[4], mac->mac_reason[5]); 4908 bwn_restart(mac, "DMA error"); 4909 BWN_UNLOCK(sc); 4910 return; 4911 } 4912 if (merged & BWN_DMAINTR_NONFATALMASK) { 4913 device_printf(sc->sc_dev, 4914 "DMA error: %#x %#x %#x %#x %#x %#x\n", 4915 mac->mac_reason[0], mac->mac_reason[1], 4916 mac->mac_reason[2], mac->mac_reason[3], 4917 mac->mac_reason[4], mac->mac_reason[5]); 4918 } 4919 } 4920 4921 if (mac->mac_reason_intr & BWN_INTR_UCODE_DEBUG) 4922 bwn_intr_ucode_debug(mac); 4923 if (mac->mac_reason_intr & BWN_INTR_TBTT_INDI) 4924 bwn_intr_tbtt_indication(mac); 4925 if (mac->mac_reason_intr & BWN_INTR_ATIM_END) 4926 bwn_intr_atim_end(mac); 4927 if (mac->mac_reason_intr & BWN_INTR_BEACON) 4928 bwn_intr_beacon(mac); 4929 if (mac->mac_reason_intr & BWN_INTR_PMQ) 4930 bwn_intr_pmq(mac); 4931 if (mac->mac_reason_intr & BWN_INTR_NOISESAMPLE_OK) 4932 bwn_intr_noise(mac); 4933 4934 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 4935 if (mac->mac_reason[0] & BWN_DMAINTR_RX_DONE) { 4936 bwn_dma_rx(mac->mac_method.dma.rx); 4937 rx = 1; 4938 } 4939 } else 4940 rx = bwn_pio_rx(&mac->mac_method.pio.rx); 4941 4942 KASSERT(!(mac->mac_reason[1] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 4943 KASSERT(!(mac->mac_reason[2] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 4944 KASSERT(!(mac->mac_reason[3] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 4945 KASSERT(!(mac->mac_reason[4] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 4946 KASSERT(!(mac->mac_reason[5] & BWN_DMAINTR_RX_DONE), ("%s", __func__)); 4947 4948 if (mac->mac_reason_intr & BWN_INTR_TX_OK) { 4949 bwn_intr_txeof(mac); 4950 tx = 1; 4951 } 4952 4953 BWN_WRITE_4(mac, BWN_INTR_MASK, mac->mac_intr_mask); 4954 4955 if (sc->sc_blink_led != NULL && sc->sc_led_blink) { 4956 int evt = BWN_LED_EVENT_NONE; 4957 4958 if (tx && rx) { 4959 if (sc->sc_rx_rate > sc->sc_tx_rate) 4960 evt = BWN_LED_EVENT_RX; 4961 else 4962 evt = BWN_LED_EVENT_TX; 4963 } else if (tx) { 4964 evt = BWN_LED_EVENT_TX; 4965 } else if (rx) { 4966 evt = BWN_LED_EVENT_RX; 4967 } else if (rx == 0) { 4968 evt = BWN_LED_EVENT_POLL; 4969 } 4970 4971 if (evt != BWN_LED_EVENT_NONE) 4972 bwn_led_event(mac, evt); 4973 } 4974 4975 if (mbufq_first(&sc->sc_snd) != NULL) 4976 bwn_start(sc); 4977 4978 BWN_BARRIER(mac, BUS_SPACE_BARRIER_READ); 4979 BWN_BARRIER(mac, BUS_SPACE_BARRIER_WRITE); 4980 4981 BWN_UNLOCK(sc); 4982 } 4983 4984 static void 4985 bwn_restart(struct bwn_mac *mac, const char *msg) 4986 { 4987 struct bwn_softc *sc = mac->mac_sc; 4988 struct ieee80211com *ic = &sc->sc_ic; 4989 4990 if (mac->mac_status < BWN_MAC_STATUS_INITED) 4991 return; 4992 4993 device_printf(sc->sc_dev, "HW reset: %s\n", msg); 4994 ieee80211_runtask(ic, &mac->mac_hwreset); 4995 } 4996 4997 static void 4998 bwn_intr_ucode_debug(struct bwn_mac *mac) 4999 { 5000 struct bwn_softc *sc = mac->mac_sc; 5001 uint16_t reason; 5002 5003 if (mac->mac_fw.opensource == 0) 5004 return; 5005 5006 reason = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_DEBUGINTR_REASON_REG); 5007 switch (reason) { 5008 case BWN_DEBUGINTR_PANIC: 5009 bwn_handle_fwpanic(mac); 5010 break; 5011 case BWN_DEBUGINTR_DUMP_SHM: 5012 device_printf(sc->sc_dev, "BWN_DEBUGINTR_DUMP_SHM\n"); 5013 break; 5014 case BWN_DEBUGINTR_DUMP_REGS: 5015 device_printf(sc->sc_dev, "BWN_DEBUGINTR_DUMP_REGS\n"); 5016 break; 5017 case BWN_DEBUGINTR_MARKER: 5018 device_printf(sc->sc_dev, "BWN_DEBUGINTR_MARKER\n"); 5019 break; 5020 default: 5021 device_printf(sc->sc_dev, 5022 "ucode debug unknown reason: %#x\n", reason); 5023 } 5024 5025 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_DEBUGINTR_REASON_REG, 5026 BWN_DEBUGINTR_ACK); 5027 } 5028 5029 static void 5030 bwn_intr_tbtt_indication(struct bwn_mac *mac) 5031 { 5032 struct bwn_softc *sc = mac->mac_sc; 5033 struct ieee80211com *ic = &sc->sc_ic; 5034 5035 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 5036 bwn_psctl(mac, 0); 5037 if (ic->ic_opmode == IEEE80211_M_IBSS) 5038 mac->mac_flags |= BWN_MAC_FLAG_DFQVALID; 5039 } 5040 5041 static void 5042 bwn_intr_atim_end(struct bwn_mac *mac) 5043 { 5044 5045 if (mac->mac_flags & BWN_MAC_FLAG_DFQVALID) { 5046 BWN_WRITE_4(mac, BWN_MACCMD, 5047 BWN_READ_4(mac, BWN_MACCMD) | BWN_MACCMD_DFQ_VALID); 5048 mac->mac_flags &= ~BWN_MAC_FLAG_DFQVALID; 5049 } 5050 } 5051 5052 static void 5053 bwn_intr_beacon(struct bwn_mac *mac) 5054 { 5055 struct bwn_softc *sc = mac->mac_sc; 5056 struct ieee80211com *ic = &sc->sc_ic; 5057 uint32_t cmd, beacon0, beacon1; 5058 5059 if (ic->ic_opmode == IEEE80211_M_HOSTAP || 5060 ic->ic_opmode == IEEE80211_M_MBSS) 5061 return; 5062 5063 mac->mac_intr_mask &= ~BWN_INTR_BEACON; 5064 5065 cmd = BWN_READ_4(mac, BWN_MACCMD); 5066 beacon0 = (cmd & BWN_MACCMD_BEACON0_VALID); 5067 beacon1 = (cmd & BWN_MACCMD_BEACON1_VALID); 5068 5069 if (beacon0 && beacon1) { 5070 BWN_WRITE_4(mac, BWN_INTR_REASON, BWN_INTR_BEACON); 5071 mac->mac_intr_mask |= BWN_INTR_BEACON; 5072 return; 5073 } 5074 5075 if (sc->sc_flags & BWN_FLAG_NEED_BEACON_TP) { 5076 sc->sc_flags &= ~BWN_FLAG_NEED_BEACON_TP; 5077 bwn_load_beacon0(mac); 5078 bwn_load_beacon1(mac); 5079 cmd = BWN_READ_4(mac, BWN_MACCMD); 5080 cmd |= BWN_MACCMD_BEACON0_VALID; 5081 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5082 } else { 5083 if (!beacon0) { 5084 bwn_load_beacon0(mac); 5085 cmd = BWN_READ_4(mac, BWN_MACCMD); 5086 cmd |= BWN_MACCMD_BEACON0_VALID; 5087 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5088 } else if (!beacon1) { 5089 bwn_load_beacon1(mac); 5090 cmd = BWN_READ_4(mac, BWN_MACCMD); 5091 cmd |= BWN_MACCMD_BEACON1_VALID; 5092 BWN_WRITE_4(mac, BWN_MACCMD, cmd); 5093 } 5094 } 5095 } 5096 5097 static void 5098 bwn_intr_pmq(struct bwn_mac *mac) 5099 { 5100 uint32_t tmp; 5101 5102 while (1) { 5103 tmp = BWN_READ_4(mac, BWN_PS_STATUS); 5104 if (!(tmp & 0x00000008)) 5105 break; 5106 } 5107 BWN_WRITE_2(mac, BWN_PS_STATUS, 0x0002); 5108 } 5109 5110 static void 5111 bwn_intr_noise(struct bwn_mac *mac) 5112 { 5113 struct bwn_phy_g *pg = &mac->mac_phy.phy_g; 5114 uint16_t tmp; 5115 uint8_t noise[4]; 5116 uint8_t i, j; 5117 int32_t average; 5118 5119 if (mac->mac_phy.type != BWN_PHYTYPE_G) 5120 return; 5121 5122 KASSERT(mac->mac_noise.noi_running, ("%s: fail", __func__)); 5123 *((uint32_t *)noise) = htole32(bwn_jssi_read(mac)); 5124 if (noise[0] == 0x7f || noise[1] == 0x7f || noise[2] == 0x7f || 5125 noise[3] == 0x7f) 5126 goto new; 5127 5128 KASSERT(mac->mac_noise.noi_nsamples < 8, 5129 ("%s:%d: fail", __func__, __LINE__)); 5130 i = mac->mac_noise.noi_nsamples; 5131 noise[0] = MIN(MAX(noise[0], 0), N(pg->pg_nrssi_lt) - 1); 5132 noise[1] = MIN(MAX(noise[1], 0), N(pg->pg_nrssi_lt) - 1); 5133 noise[2] = MIN(MAX(noise[2], 0), N(pg->pg_nrssi_lt) - 1); 5134 noise[3] = MIN(MAX(noise[3], 0), N(pg->pg_nrssi_lt) - 1); 5135 mac->mac_noise.noi_samples[i][0] = pg->pg_nrssi_lt[noise[0]]; 5136 mac->mac_noise.noi_samples[i][1] = pg->pg_nrssi_lt[noise[1]]; 5137 mac->mac_noise.noi_samples[i][2] = pg->pg_nrssi_lt[noise[2]]; 5138 mac->mac_noise.noi_samples[i][3] = pg->pg_nrssi_lt[noise[3]]; 5139 mac->mac_noise.noi_nsamples++; 5140 if (mac->mac_noise.noi_nsamples == 8) { 5141 average = 0; 5142 for (i = 0; i < 8; i++) { 5143 for (j = 0; j < 4; j++) 5144 average += mac->mac_noise.noi_samples[i][j]; 5145 } 5146 average = (((average / 32) * 125) + 64) / 128; 5147 tmp = (bwn_shm_read_2(mac, BWN_SHARED, 0x40c) / 128) & 0x1f; 5148 if (tmp >= 8) 5149 average += 2; 5150 else 5151 average -= 25; 5152 average -= (tmp == 8) ? 72 : 48; 5153 5154 mac->mac_stats.link_noise = average; 5155 mac->mac_noise.noi_running = 0; 5156 return; 5157 } 5158 new: 5159 bwn_noise_gensample(mac); 5160 } 5161 5162 static int 5163 bwn_pio_rx(struct bwn_pio_rxqueue *prq) 5164 { 5165 struct bwn_mac *mac = prq->prq_mac; 5166 struct bwn_softc *sc = mac->mac_sc; 5167 unsigned int i; 5168 5169 BWN_ASSERT_LOCKED(sc); 5170 5171 if (mac->mac_status < BWN_MAC_STATUS_STARTED) 5172 return (0); 5173 5174 for (i = 0; i < 5000; i++) { 5175 if (bwn_pio_rxeof(prq) == 0) 5176 break; 5177 } 5178 if (i >= 5000) 5179 device_printf(sc->sc_dev, "too many RX frames in PIO mode\n"); 5180 return ((i > 0) ? 1 : 0); 5181 } 5182 5183 static void 5184 bwn_dma_rx(struct bwn_dma_ring *dr) 5185 { 5186 int slot, curslot; 5187 5188 KASSERT(!dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 5189 curslot = dr->get_curslot(dr); 5190 KASSERT(curslot >= 0 && curslot < dr->dr_numslots, 5191 ("%s:%d: fail", __func__, __LINE__)); 5192 5193 slot = dr->dr_curslot; 5194 for (; slot != curslot; slot = bwn_dma_nextslot(dr, slot)) 5195 bwn_dma_rxeof(dr, &slot); 5196 5197 bus_dmamap_sync(dr->dr_ring_dtag, dr->dr_ring_dmap, 5198 BUS_DMASYNC_PREWRITE); 5199 5200 dr->set_curslot(dr, slot); 5201 dr->dr_curslot = slot; 5202 } 5203 5204 static void 5205 bwn_intr_txeof(struct bwn_mac *mac) 5206 { 5207 struct bwn_txstatus stat; 5208 uint32_t stat0, stat1; 5209 uint16_t tmp; 5210 5211 BWN_ASSERT_LOCKED(mac->mac_sc); 5212 5213 while (1) { 5214 stat0 = BWN_READ_4(mac, BWN_XMITSTAT_0); 5215 if (!(stat0 & 0x00000001)) 5216 break; 5217 stat1 = BWN_READ_4(mac, BWN_XMITSTAT_1); 5218 5219 DPRINTF(mac->mac_sc, BWN_DEBUG_XMIT, 5220 "%s: stat0=0x%08x, stat1=0x%08x\n", 5221 __func__, 5222 stat0, 5223 stat1); 5224 5225 stat.cookie = (stat0 >> 16); 5226 stat.seq = (stat1 & 0x0000ffff); 5227 stat.phy_stat = ((stat1 & 0x00ff0000) >> 16); 5228 tmp = (stat0 & 0x0000ffff); 5229 stat.framecnt = ((tmp & 0xf000) >> 12); 5230 stat.rtscnt = ((tmp & 0x0f00) >> 8); 5231 stat.sreason = ((tmp & 0x001c) >> 2); 5232 stat.pm = (tmp & 0x0080) ? 1 : 0; 5233 stat.im = (tmp & 0x0040) ? 1 : 0; 5234 stat.ampdu = (tmp & 0x0020) ? 1 : 0; 5235 stat.ack = (tmp & 0x0002) ? 1 : 0; 5236 5237 DPRINTF(mac->mac_sc, BWN_DEBUG_XMIT, 5238 "%s: cookie=%d, seq=%d, phystat=0x%02x, framecnt=%d, " 5239 "rtscnt=%d, sreason=%d, pm=%d, im=%d, ampdu=%d, ack=%d\n", 5240 __func__, 5241 stat.cookie, 5242 stat.seq, 5243 stat.phy_stat, 5244 stat.framecnt, 5245 stat.rtscnt, 5246 stat.sreason, 5247 stat.pm, 5248 stat.im, 5249 stat.ampdu, 5250 stat.ack); 5251 5252 bwn_handle_txeof(mac, &stat); 5253 } 5254 } 5255 5256 static void 5257 bwn_hwreset(void *arg, int npending) 5258 { 5259 struct bwn_mac *mac = arg; 5260 struct bwn_softc *sc = mac->mac_sc; 5261 int error = 0; 5262 int prev_status; 5263 5264 BWN_LOCK(sc); 5265 5266 prev_status = mac->mac_status; 5267 if (prev_status >= BWN_MAC_STATUS_STARTED) 5268 bwn_core_stop(mac); 5269 if (prev_status >= BWN_MAC_STATUS_INITED) 5270 bwn_core_exit(mac); 5271 5272 if (prev_status >= BWN_MAC_STATUS_INITED) { 5273 error = bwn_core_init(mac); 5274 if (error) 5275 goto out; 5276 } 5277 if (prev_status >= BWN_MAC_STATUS_STARTED) 5278 bwn_core_start(mac); 5279 out: 5280 if (error) { 5281 device_printf(sc->sc_dev, "%s: failed (%d)\n", __func__, error); 5282 sc->sc_curmac = NULL; 5283 } 5284 BWN_UNLOCK(sc); 5285 } 5286 5287 static void 5288 bwn_handle_fwpanic(struct bwn_mac *mac) 5289 { 5290 struct bwn_softc *sc = mac->mac_sc; 5291 uint16_t reason; 5292 5293 reason = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_FWPANIC_REASON_REG); 5294 device_printf(sc->sc_dev,"fw panic (%u)\n", reason); 5295 5296 if (reason == BWN_FWPANIC_RESTART) 5297 bwn_restart(mac, "ucode panic"); 5298 } 5299 5300 static void 5301 bwn_load_beacon0(struct bwn_mac *mac) 5302 { 5303 5304 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 5305 } 5306 5307 static void 5308 bwn_load_beacon1(struct bwn_mac *mac) 5309 { 5310 5311 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 5312 } 5313 5314 static uint32_t 5315 bwn_jssi_read(struct bwn_mac *mac) 5316 { 5317 uint32_t val = 0; 5318 5319 val = bwn_shm_read_2(mac, BWN_SHARED, 0x08a); 5320 val <<= 16; 5321 val |= bwn_shm_read_2(mac, BWN_SHARED, 0x088); 5322 5323 return (val); 5324 } 5325 5326 static void 5327 bwn_noise_gensample(struct bwn_mac *mac) 5328 { 5329 uint32_t jssi = 0x7f7f7f7f; 5330 5331 bwn_shm_write_2(mac, BWN_SHARED, 0x088, (jssi & 0x0000ffff)); 5332 bwn_shm_write_2(mac, BWN_SHARED, 0x08a, (jssi & 0xffff0000) >> 16); 5333 BWN_WRITE_4(mac, BWN_MACCMD, 5334 BWN_READ_4(mac, BWN_MACCMD) | BWN_MACCMD_BGNOISE); 5335 } 5336 5337 static int 5338 bwn_dma_freeslot(struct bwn_dma_ring *dr) 5339 { 5340 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 5341 5342 return (dr->dr_numslots - dr->dr_usedslot); 5343 } 5344 5345 static int 5346 bwn_dma_nextslot(struct bwn_dma_ring *dr, int slot) 5347 { 5348 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 5349 5350 KASSERT(slot >= -1 && slot <= dr->dr_numslots - 1, 5351 ("%s:%d: fail", __func__, __LINE__)); 5352 if (slot == dr->dr_numslots - 1) 5353 return (0); 5354 return (slot + 1); 5355 } 5356 5357 static void 5358 bwn_dma_rxeof(struct bwn_dma_ring *dr, int *slot) 5359 { 5360 struct bwn_mac *mac = dr->dr_mac; 5361 struct bwn_softc *sc = mac->mac_sc; 5362 struct bwn_dma *dma = &mac->mac_method.dma; 5363 struct bwn_dmadesc_generic *desc; 5364 struct bwn_dmadesc_meta *meta; 5365 struct bwn_rxhdr4 *rxhdr; 5366 struct mbuf *m; 5367 uint32_t macstat; 5368 int32_t tmp; 5369 int cnt = 0; 5370 uint16_t len; 5371 5372 dr->getdesc(dr, *slot, &desc, &meta); 5373 5374 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, BUS_DMASYNC_POSTREAD); 5375 m = meta->mt_m; 5376 5377 if (bwn_dma_newbuf(dr, desc, meta, 0)) { 5378 counter_u64_add(sc->sc_ic.ic_ierrors, 1); 5379 return; 5380 } 5381 5382 rxhdr = mtod(m, struct bwn_rxhdr4 *); 5383 len = le16toh(rxhdr->frame_len); 5384 if (len <= 0) { 5385 counter_u64_add(sc->sc_ic.ic_ierrors, 1); 5386 return; 5387 } 5388 if (bwn_dma_check_redzone(dr, m)) { 5389 device_printf(sc->sc_dev, "redzone error.\n"); 5390 bwn_dma_set_redzone(dr, m); 5391 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5392 BUS_DMASYNC_PREWRITE); 5393 return; 5394 } 5395 if (len > dr->dr_rx_bufsize) { 5396 tmp = len; 5397 while (1) { 5398 dr->getdesc(dr, *slot, &desc, &meta); 5399 bwn_dma_set_redzone(dr, meta->mt_m); 5400 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5401 BUS_DMASYNC_PREWRITE); 5402 *slot = bwn_dma_nextslot(dr, *slot); 5403 cnt++; 5404 tmp -= dr->dr_rx_bufsize; 5405 if (tmp <= 0) 5406 break; 5407 } 5408 device_printf(sc->sc_dev, "too small buffer " 5409 "(len %u buffer %u dropped %d)\n", 5410 len, dr->dr_rx_bufsize, cnt); 5411 return; 5412 } 5413 5414 switch (mac->mac_fw.fw_hdr_format) { 5415 case BWN_FW_HDR_351: 5416 case BWN_FW_HDR_410: 5417 macstat = le32toh(rxhdr->ps4.r351.mac_status); 5418 break; 5419 case BWN_FW_HDR_598: 5420 macstat = le32toh(rxhdr->ps4.r598.mac_status); 5421 break; 5422 } 5423 5424 if (macstat & BWN_RX_MAC_FCSERR) { 5425 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) { 5426 device_printf(sc->sc_dev, "RX drop\n"); 5427 return; 5428 } 5429 } 5430 5431 m->m_len = m->m_pkthdr.len = len + dr->dr_frameoffset; 5432 m_adj(m, dr->dr_frameoffset); 5433 5434 bwn_rxeof(dr->dr_mac, m, rxhdr); 5435 } 5436 5437 static void 5438 bwn_handle_txeof(struct bwn_mac *mac, const struct bwn_txstatus *status) 5439 { 5440 struct bwn_softc *sc = mac->mac_sc; 5441 struct bwn_stats *stats = &mac->mac_stats; 5442 5443 BWN_ASSERT_LOCKED(mac->mac_sc); 5444 5445 if (status->im) 5446 device_printf(sc->sc_dev, "TODO: STATUS IM\n"); 5447 if (status->ampdu) 5448 device_printf(sc->sc_dev, "TODO: STATUS AMPDU\n"); 5449 if (status->rtscnt) { 5450 if (status->rtscnt == 0xf) 5451 stats->rtsfail++; 5452 else 5453 stats->rts++; 5454 } 5455 5456 if (mac->mac_flags & BWN_MAC_FLAG_DMA) { 5457 bwn_dma_handle_txeof(mac, status); 5458 } else { 5459 bwn_pio_handle_txeof(mac, status); 5460 } 5461 5462 bwn_phy_txpower_check(mac, 0); 5463 } 5464 5465 static uint8_t 5466 bwn_pio_rxeof(struct bwn_pio_rxqueue *prq) 5467 { 5468 struct bwn_mac *mac = prq->prq_mac; 5469 struct bwn_softc *sc = mac->mac_sc; 5470 struct bwn_rxhdr4 rxhdr; 5471 struct mbuf *m; 5472 uint32_t ctl32, macstat, v32; 5473 unsigned int i, padding; 5474 uint16_t ctl16, len, totlen, v16; 5475 unsigned char *mp; 5476 char *data; 5477 5478 memset(&rxhdr, 0, sizeof(rxhdr)); 5479 5480 if (prq->prq_rev >= 8) { 5481 ctl32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXCTL); 5482 if (!(ctl32 & BWN_PIO8_RXCTL_FRAMEREADY)) 5483 return (0); 5484 bwn_pio_rx_write_4(prq, BWN_PIO8_RXCTL, 5485 BWN_PIO8_RXCTL_FRAMEREADY); 5486 for (i = 0; i < 10; i++) { 5487 ctl32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXCTL); 5488 if (ctl32 & BWN_PIO8_RXCTL_DATAREADY) 5489 goto ready; 5490 DELAY(10); 5491 } 5492 } else { 5493 ctl16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXCTL); 5494 if (!(ctl16 & BWN_PIO_RXCTL_FRAMEREADY)) 5495 return (0); 5496 bwn_pio_rx_write_2(prq, BWN_PIO_RXCTL, 5497 BWN_PIO_RXCTL_FRAMEREADY); 5498 for (i = 0; i < 10; i++) { 5499 ctl16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXCTL); 5500 if (ctl16 & BWN_PIO_RXCTL_DATAREADY) 5501 goto ready; 5502 DELAY(10); 5503 } 5504 } 5505 device_printf(sc->sc_dev, "%s: timed out\n", __func__); 5506 return (1); 5507 ready: 5508 if (prq->prq_rev >= 8) 5509 siba_read_multi_4(sc->sc_dev, &rxhdr, sizeof(rxhdr), 5510 prq->prq_base + BWN_PIO8_RXDATA); 5511 else 5512 siba_read_multi_2(sc->sc_dev, &rxhdr, sizeof(rxhdr), 5513 prq->prq_base + BWN_PIO_RXDATA); 5514 len = le16toh(rxhdr.frame_len); 5515 if (len > 0x700) { 5516 device_printf(sc->sc_dev, "%s: len is too big\n", __func__); 5517 goto error; 5518 } 5519 if (len == 0) { 5520 device_printf(sc->sc_dev, "%s: len is 0\n", __func__); 5521 goto error; 5522 } 5523 5524 switch (mac->mac_fw.fw_hdr_format) { 5525 case BWN_FW_HDR_351: 5526 case BWN_FW_HDR_410: 5527 macstat = le32toh(rxhdr.ps4.r351.mac_status); 5528 break; 5529 case BWN_FW_HDR_598: 5530 macstat = le32toh(rxhdr.ps4.r598.mac_status); 5531 break; 5532 } 5533 5534 if (macstat & BWN_RX_MAC_FCSERR) { 5535 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADFCS)) { 5536 device_printf(sc->sc_dev, "%s: FCS error", __func__); 5537 goto error; 5538 } 5539 } 5540 5541 padding = (macstat & BWN_RX_MAC_PADDING) ? 2 : 0; 5542 totlen = len + padding; 5543 KASSERT(totlen <= MCLBYTES, ("too big..\n")); 5544 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 5545 if (m == NULL) { 5546 device_printf(sc->sc_dev, "%s: out of memory", __func__); 5547 goto error; 5548 } 5549 mp = mtod(m, unsigned char *); 5550 if (prq->prq_rev >= 8) { 5551 siba_read_multi_4(sc->sc_dev, mp, (totlen & ~3), 5552 prq->prq_base + BWN_PIO8_RXDATA); 5553 if (totlen & 3) { 5554 v32 = bwn_pio_rx_read_4(prq, BWN_PIO8_RXDATA); 5555 data = &(mp[totlen - 1]); 5556 switch (totlen & 3) { 5557 case 3: 5558 *data = (v32 >> 16); 5559 data--; 5560 case 2: 5561 *data = (v32 >> 8); 5562 data--; 5563 case 1: 5564 *data = v32; 5565 } 5566 } 5567 } else { 5568 siba_read_multi_2(sc->sc_dev, mp, (totlen & ~1), 5569 prq->prq_base + BWN_PIO_RXDATA); 5570 if (totlen & 1) { 5571 v16 = bwn_pio_rx_read_2(prq, BWN_PIO_RXDATA); 5572 mp[totlen - 1] = v16; 5573 } 5574 } 5575 5576 m->m_len = m->m_pkthdr.len = totlen; 5577 5578 bwn_rxeof(prq->prq_mac, m, &rxhdr); 5579 5580 return (1); 5581 error: 5582 if (prq->prq_rev >= 8) 5583 bwn_pio_rx_write_4(prq, BWN_PIO8_RXCTL, 5584 BWN_PIO8_RXCTL_DATAREADY); 5585 else 5586 bwn_pio_rx_write_2(prq, BWN_PIO_RXCTL, BWN_PIO_RXCTL_DATAREADY); 5587 return (1); 5588 } 5589 5590 static int 5591 bwn_dma_newbuf(struct bwn_dma_ring *dr, struct bwn_dmadesc_generic *desc, 5592 struct bwn_dmadesc_meta *meta, int init) 5593 { 5594 struct bwn_mac *mac = dr->dr_mac; 5595 struct bwn_dma *dma = &mac->mac_method.dma; 5596 struct bwn_rxhdr4 *hdr; 5597 bus_dmamap_t map; 5598 bus_addr_t paddr; 5599 struct mbuf *m; 5600 int error; 5601 5602 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 5603 if (m == NULL) { 5604 error = ENOBUFS; 5605 5606 /* 5607 * If the NIC is up and running, we need to: 5608 * - Clear RX buffer's header. 5609 * - Restore RX descriptor settings. 5610 */ 5611 if (init) 5612 return (error); 5613 else 5614 goto back; 5615 } 5616 m->m_len = m->m_pkthdr.len = MCLBYTES; 5617 5618 bwn_dma_set_redzone(dr, m); 5619 5620 /* 5621 * Try to load RX buf into temporary DMA map 5622 */ 5623 error = bus_dmamap_load_mbuf(dma->rxbuf_dtag, dr->dr_spare_dmap, m, 5624 bwn_dma_buf_addr, &paddr, BUS_DMA_NOWAIT); 5625 if (error) { 5626 m_freem(m); 5627 5628 /* 5629 * See the comment above 5630 */ 5631 if (init) 5632 return (error); 5633 else 5634 goto back; 5635 } 5636 5637 if (!init) 5638 bus_dmamap_unload(dma->rxbuf_dtag, meta->mt_dmap); 5639 meta->mt_m = m; 5640 meta->mt_paddr = paddr; 5641 5642 /* 5643 * Swap RX buf's DMA map with the loaded temporary one 5644 */ 5645 map = meta->mt_dmap; 5646 meta->mt_dmap = dr->dr_spare_dmap; 5647 dr->dr_spare_dmap = map; 5648 5649 back: 5650 /* 5651 * Clear RX buf header 5652 */ 5653 hdr = mtod(meta->mt_m, struct bwn_rxhdr4 *); 5654 bzero(hdr, sizeof(*hdr)); 5655 bus_dmamap_sync(dma->rxbuf_dtag, meta->mt_dmap, 5656 BUS_DMASYNC_PREWRITE); 5657 5658 /* 5659 * Setup RX buf descriptor 5660 */ 5661 dr->setdesc(dr, desc, meta->mt_paddr, meta->mt_m->m_len - 5662 sizeof(*hdr), 0, 0, 0); 5663 return (error); 5664 } 5665 5666 static void 5667 bwn_dma_buf_addr(void *arg, bus_dma_segment_t *seg, int nseg, 5668 bus_size_t mapsz __unused, int error) 5669 { 5670 5671 if (!error) { 5672 KASSERT(nseg == 1, ("too many segments(%d)\n", nseg)); 5673 *((bus_addr_t *)arg) = seg->ds_addr; 5674 } 5675 } 5676 5677 static int 5678 bwn_hwrate2ieeerate(int rate) 5679 { 5680 5681 switch (rate) { 5682 case BWN_CCK_RATE_1MB: 5683 return (2); 5684 case BWN_CCK_RATE_2MB: 5685 return (4); 5686 case BWN_CCK_RATE_5MB: 5687 return (11); 5688 case BWN_CCK_RATE_11MB: 5689 return (22); 5690 case BWN_OFDM_RATE_6MB: 5691 return (12); 5692 case BWN_OFDM_RATE_9MB: 5693 return (18); 5694 case BWN_OFDM_RATE_12MB: 5695 return (24); 5696 case BWN_OFDM_RATE_18MB: 5697 return (36); 5698 case BWN_OFDM_RATE_24MB: 5699 return (48); 5700 case BWN_OFDM_RATE_36MB: 5701 return (72); 5702 case BWN_OFDM_RATE_48MB: 5703 return (96); 5704 case BWN_OFDM_RATE_54MB: 5705 return (108); 5706 default: 5707 printf("Ooops\n"); 5708 return (0); 5709 } 5710 } 5711 5712 /* 5713 * Post process the RX provided RSSI. 5714 * 5715 * Valid for A, B, G, LP PHYs. 5716 */ 5717 static int8_t 5718 bwn_rx_rssi_calc(struct bwn_mac *mac, uint8_t in_rssi, 5719 int ofdm, int adjust_2053, int adjust_2050) 5720 { 5721 struct bwn_phy *phy = &mac->mac_phy; 5722 struct bwn_phy_g *gphy = &phy->phy_g; 5723 int tmp; 5724 5725 switch (phy->rf_ver) { 5726 case 0x2050: 5727 if (ofdm) { 5728 tmp = in_rssi; 5729 if (tmp > 127) 5730 tmp -= 256; 5731 tmp = tmp * 73 / 64; 5732 if (adjust_2050) 5733 tmp += 25; 5734 else 5735 tmp -= 3; 5736 } else { 5737 if (siba_sprom_get_bf_lo(mac->mac_sc->sc_dev) 5738 & BWN_BFL_RSSI) { 5739 if (in_rssi > 63) 5740 in_rssi = 63; 5741 tmp = gphy->pg_nrssi_lt[in_rssi]; 5742 tmp = (31 - tmp) * -131 / 128 - 57; 5743 } else { 5744 tmp = in_rssi; 5745 tmp = (31 - tmp) * -149 / 128 - 68; 5746 } 5747 if (phy->type == BWN_PHYTYPE_G && adjust_2050) 5748 tmp += 25; 5749 } 5750 break; 5751 case 0x2060: 5752 if (in_rssi > 127) 5753 tmp = in_rssi - 256; 5754 else 5755 tmp = in_rssi; 5756 break; 5757 default: 5758 tmp = in_rssi; 5759 tmp = (tmp - 11) * 103 / 64; 5760 if (adjust_2053) 5761 tmp -= 109; 5762 else 5763 tmp -= 83; 5764 } 5765 5766 return (tmp); 5767 } 5768 5769 static void 5770 bwn_rxeof(struct bwn_mac *mac, struct mbuf *m, const void *_rxhdr) 5771 { 5772 const struct bwn_rxhdr4 *rxhdr = _rxhdr; 5773 struct bwn_plcp6 *plcp; 5774 struct bwn_softc *sc = mac->mac_sc; 5775 struct ieee80211_frame_min *wh; 5776 struct ieee80211_node *ni; 5777 struct ieee80211com *ic = &sc->sc_ic; 5778 uint32_t macstat; 5779 int padding, rate, rssi = 0, noise = 0, type; 5780 uint16_t phytype, phystat0, phystat3, chanstat; 5781 unsigned char *mp = mtod(m, unsigned char *); 5782 static int rx_mac_dec_rpt = 0; 5783 5784 BWN_ASSERT_LOCKED(sc); 5785 5786 phystat0 = le16toh(rxhdr->phy_status0); 5787 5788 /* 5789 * XXX Note: phy_status3 doesn't exist for HT-PHY; it's only 5790 * used for LP-PHY. 5791 */ 5792 phystat3 = le16toh(rxhdr->ps3.lp.phy_status3); 5793 5794 switch (mac->mac_fw.fw_hdr_format) { 5795 case BWN_FW_HDR_351: 5796 case BWN_FW_HDR_410: 5797 macstat = le32toh(rxhdr->ps4.r351.mac_status); 5798 chanstat = le16toh(rxhdr->ps4.r351.channel); 5799 break; 5800 case BWN_FW_HDR_598: 5801 macstat = le32toh(rxhdr->ps4.r598.mac_status); 5802 chanstat = le16toh(rxhdr->ps4.r598.channel); 5803 break; 5804 } 5805 5806 5807 phytype = chanstat & BWN_RX_CHAN_PHYTYPE; 5808 5809 if (macstat & BWN_RX_MAC_FCSERR) 5810 device_printf(sc->sc_dev, "TODO RX: RX_FLAG_FAILED_FCS_CRC\n"); 5811 if (phystat0 & (BWN_RX_PHYST0_PLCPHCF | BWN_RX_PHYST0_PLCPFV)) 5812 device_printf(sc->sc_dev, "TODO RX: RX_FLAG_FAILED_PLCP_CRC\n"); 5813 if (macstat & BWN_RX_MAC_DECERR) 5814 goto drop; 5815 5816 padding = (macstat & BWN_RX_MAC_PADDING) ? 2 : 0; 5817 if (m->m_pkthdr.len < (sizeof(struct bwn_plcp6) + padding)) { 5818 device_printf(sc->sc_dev, "frame too short (length=%d)\n", 5819 m->m_pkthdr.len); 5820 goto drop; 5821 } 5822 plcp = (struct bwn_plcp6 *)(mp + padding); 5823 m_adj(m, sizeof(struct bwn_plcp6) + padding); 5824 if (m->m_pkthdr.len < IEEE80211_MIN_LEN) { 5825 device_printf(sc->sc_dev, "frame too short (length=%d)\n", 5826 m->m_pkthdr.len); 5827 goto drop; 5828 } 5829 wh = mtod(m, struct ieee80211_frame_min *); 5830 5831 if (macstat & BWN_RX_MAC_DEC && rx_mac_dec_rpt++ < 50) 5832 device_printf(sc->sc_dev, 5833 "RX decryption attempted (old %d keyidx %#x)\n", 5834 BWN_ISOLDFMT(mac), 5835 (macstat & BWN_RX_MAC_KEYIDX) >> BWN_RX_MAC_KEYIDX_SHIFT); 5836 5837 if (phystat0 & BWN_RX_PHYST0_OFDM) 5838 rate = bwn_plcp_get_ofdmrate(mac, plcp, 5839 phytype == BWN_PHYTYPE_A); 5840 else 5841 rate = bwn_plcp_get_cckrate(mac, plcp); 5842 if (rate == -1) { 5843 if (!(mac->mac_sc->sc_filters & BWN_MACCTL_PASS_BADPLCP)) 5844 goto drop; 5845 } 5846 sc->sc_rx_rate = bwn_hwrate2ieeerate(rate); 5847 5848 /* rssi/noise */ 5849 switch (phytype) { 5850 case BWN_PHYTYPE_A: 5851 case BWN_PHYTYPE_B: 5852 case BWN_PHYTYPE_G: 5853 case BWN_PHYTYPE_LP: 5854 rssi = bwn_rx_rssi_calc(mac, rxhdr->phy.abg.rssi, 5855 !! (phystat0 & BWN_RX_PHYST0_OFDM), 5856 !! (phystat0 & BWN_RX_PHYST0_GAINCTL), 5857 !! (phystat3 & BWN_RX_PHYST3_TRSTATE)); 5858 break; 5859 case BWN_PHYTYPE_N: 5860 /* Broadcom has code for min/avg, but always used max */ 5861 if (rxhdr->phy.n.power0 == 16 || rxhdr->phy.n.power0 == 32) 5862 rssi = max(rxhdr->phy.n.power1, rxhdr->ps2.n.power2); 5863 else 5864 rssi = max(rxhdr->phy.n.power0, rxhdr->phy.n.power1); 5865 #if 0 5866 DPRINTF(mac->mac_sc, BWN_DEBUG_RECV, 5867 "%s: power0=%d, power1=%d, power2=%d\n", 5868 __func__, 5869 rxhdr->phy.n.power0, 5870 rxhdr->phy.n.power1, 5871 rxhdr->ps2.n.power2); 5872 #endif 5873 break; 5874 default: 5875 /* XXX TODO: implement rssi for other PHYs */ 5876 break; 5877 } 5878 5879 /* 5880 * RSSI here is absolute, not relative to the noise floor. 5881 */ 5882 noise = mac->mac_stats.link_noise; 5883 rssi = rssi - noise; 5884 5885 /* RX radio tap */ 5886 if (ieee80211_radiotap_active(ic)) 5887 bwn_rx_radiotap(mac, m, rxhdr, plcp, rate, rssi, noise); 5888 m_adj(m, -IEEE80211_CRC_LEN); 5889 5890 BWN_UNLOCK(sc); 5891 5892 ni = ieee80211_find_rxnode(ic, wh); 5893 if (ni != NULL) { 5894 type = ieee80211_input(ni, m, rssi, noise); 5895 ieee80211_free_node(ni); 5896 } else 5897 type = ieee80211_input_all(ic, m, rssi, noise); 5898 5899 BWN_LOCK(sc); 5900 return; 5901 drop: 5902 device_printf(sc->sc_dev, "%s: dropped\n", __func__); 5903 } 5904 5905 static void 5906 bwn_ratectl_tx_complete(const struct ieee80211_node *ni, 5907 const struct bwn_txstatus *status) 5908 { 5909 struct ieee80211_ratectl_tx_status txs; 5910 int retrycnt = 0; 5911 5912 /* 5913 * If we don't get an ACK, then we should log the 5914 * full framecnt. That may be 0 if it's a PHY 5915 * failure, so ensure that gets logged as some 5916 * retry attempt. 5917 */ 5918 txs.flags = IEEE80211_RATECTL_STATUS_LONG_RETRY; 5919 if (status->ack) { 5920 txs.status = IEEE80211_RATECTL_TX_SUCCESS; 5921 retrycnt = status->framecnt - 1; 5922 } else { 5923 txs.status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED; 5924 retrycnt = status->framecnt; 5925 if (retrycnt == 0) 5926 retrycnt = 1; 5927 } 5928 txs.long_retries = retrycnt; 5929 ieee80211_ratectl_tx_complete(ni, &txs); 5930 } 5931 5932 static void 5933 bwn_dma_handle_txeof(struct bwn_mac *mac, 5934 const struct bwn_txstatus *status) 5935 { 5936 struct bwn_dma *dma = &mac->mac_method.dma; 5937 struct bwn_dma_ring *dr; 5938 struct bwn_dmadesc_generic *desc; 5939 struct bwn_dmadesc_meta *meta; 5940 struct bwn_softc *sc = mac->mac_sc; 5941 int slot; 5942 5943 BWN_ASSERT_LOCKED(sc); 5944 5945 dr = bwn_dma_parse_cookie(mac, status, status->cookie, &slot); 5946 if (dr == NULL) { 5947 device_printf(sc->sc_dev, "failed to parse cookie\n"); 5948 return; 5949 } 5950 KASSERT(dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 5951 5952 while (1) { 5953 KASSERT(slot >= 0 && slot < dr->dr_numslots, 5954 ("%s:%d: fail", __func__, __LINE__)); 5955 dr->getdesc(dr, slot, &desc, &meta); 5956 5957 if (meta->mt_txtype == BWN_DMADESC_METATYPE_HEADER) 5958 bus_dmamap_unload(dr->dr_txring_dtag, meta->mt_dmap); 5959 else if (meta->mt_txtype == BWN_DMADESC_METATYPE_BODY) 5960 bus_dmamap_unload(dma->txbuf_dtag, meta->mt_dmap); 5961 5962 if (meta->mt_islast) { 5963 KASSERT(meta->mt_m != NULL, 5964 ("%s:%d: fail", __func__, __LINE__)); 5965 5966 bwn_ratectl_tx_complete(meta->mt_ni, status); 5967 ieee80211_tx_complete(meta->mt_ni, meta->mt_m, 0); 5968 meta->mt_ni = NULL; 5969 meta->mt_m = NULL; 5970 } else 5971 KASSERT(meta->mt_m == NULL, 5972 ("%s:%d: fail", __func__, __LINE__)); 5973 5974 dr->dr_usedslot--; 5975 if (meta->mt_islast) 5976 break; 5977 slot = bwn_dma_nextslot(dr, slot); 5978 } 5979 sc->sc_watchdog_timer = 0; 5980 if (dr->dr_stop) { 5981 KASSERT(bwn_dma_freeslot(dr) >= BWN_TX_SLOTS_PER_FRAME, 5982 ("%s:%d: fail", __func__, __LINE__)); 5983 dr->dr_stop = 0; 5984 } 5985 } 5986 5987 static void 5988 bwn_pio_handle_txeof(struct bwn_mac *mac, 5989 const struct bwn_txstatus *status) 5990 { 5991 struct bwn_pio_txqueue *tq; 5992 struct bwn_pio_txpkt *tp = NULL; 5993 struct bwn_softc *sc = mac->mac_sc; 5994 5995 BWN_ASSERT_LOCKED(sc); 5996 5997 tq = bwn_pio_parse_cookie(mac, status->cookie, &tp); 5998 if (tq == NULL) 5999 return; 6000 6001 tq->tq_used -= roundup(tp->tp_m->m_pkthdr.len + BWN_HDRSIZE(mac), 4); 6002 tq->tq_free++; 6003 6004 /* XXX ieee80211_tx_complete()? */ 6005 if (tp->tp_ni != NULL) { 6006 /* 6007 * Do any tx complete callback. Note this must 6008 * be done before releasing the node reference. 6009 */ 6010 6011 bwn_ratectl_tx_complete(tp->tp_ni, status); 6012 if (tp->tp_m->m_flags & M_TXCB) 6013 ieee80211_process_callback(tp->tp_ni, tp->tp_m, 0); 6014 ieee80211_free_node(tp->tp_ni); 6015 tp->tp_ni = NULL; 6016 } 6017 m_freem(tp->tp_m); 6018 tp->tp_m = NULL; 6019 TAILQ_INSERT_TAIL(&tq->tq_pktlist, tp, tp_list); 6020 6021 sc->sc_watchdog_timer = 0; 6022 } 6023 6024 static void 6025 bwn_phy_txpower_check(struct bwn_mac *mac, uint32_t flags) 6026 { 6027 struct bwn_softc *sc = mac->mac_sc; 6028 struct bwn_phy *phy = &mac->mac_phy; 6029 struct ieee80211com *ic = &sc->sc_ic; 6030 unsigned long now; 6031 bwn_txpwr_result_t result; 6032 6033 BWN_GETTIME(now); 6034 6035 if (!(flags & BWN_TXPWR_IGNORE_TIME) && ieee80211_time_before(now, phy->nexttime)) 6036 return; 6037 phy->nexttime = now + 2 * 1000; 6038 6039 if (siba_get_pci_subvendor(sc->sc_dev) == SIBA_BOARDVENDOR_BCM && 6040 siba_get_pci_subdevice(sc->sc_dev) == SIBA_BOARD_BU4306) 6041 return; 6042 6043 if (phy->recalc_txpwr != NULL) { 6044 result = phy->recalc_txpwr(mac, 6045 (flags & BWN_TXPWR_IGNORE_TSSI) ? 1 : 0); 6046 if (result == BWN_TXPWR_RES_DONE) 6047 return; 6048 KASSERT(result == BWN_TXPWR_RES_NEED_ADJUST, 6049 ("%s: fail", __func__)); 6050 KASSERT(phy->set_txpwr != NULL, ("%s: fail", __func__)); 6051 6052 ieee80211_runtask(ic, &mac->mac_txpower); 6053 } 6054 } 6055 6056 static uint16_t 6057 bwn_pio_rx_read_2(struct bwn_pio_rxqueue *prq, uint16_t offset) 6058 { 6059 6060 return (BWN_READ_2(prq->prq_mac, prq->prq_base + offset)); 6061 } 6062 6063 static uint32_t 6064 bwn_pio_rx_read_4(struct bwn_pio_rxqueue *prq, uint16_t offset) 6065 { 6066 6067 return (BWN_READ_4(prq->prq_mac, prq->prq_base + offset)); 6068 } 6069 6070 static void 6071 bwn_pio_rx_write_2(struct bwn_pio_rxqueue *prq, uint16_t offset, uint16_t value) 6072 { 6073 6074 BWN_WRITE_2(prq->prq_mac, prq->prq_base + offset, value); 6075 } 6076 6077 static void 6078 bwn_pio_rx_write_4(struct bwn_pio_rxqueue *prq, uint16_t offset, uint32_t value) 6079 { 6080 6081 BWN_WRITE_4(prq->prq_mac, prq->prq_base + offset, value); 6082 } 6083 6084 static int 6085 bwn_ieeerate2hwrate(struct bwn_softc *sc, int rate) 6086 { 6087 6088 switch (rate) { 6089 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 6090 case 12: 6091 return (BWN_OFDM_RATE_6MB); 6092 case 18: 6093 return (BWN_OFDM_RATE_9MB); 6094 case 24: 6095 return (BWN_OFDM_RATE_12MB); 6096 case 36: 6097 return (BWN_OFDM_RATE_18MB); 6098 case 48: 6099 return (BWN_OFDM_RATE_24MB); 6100 case 72: 6101 return (BWN_OFDM_RATE_36MB); 6102 case 96: 6103 return (BWN_OFDM_RATE_48MB); 6104 case 108: 6105 return (BWN_OFDM_RATE_54MB); 6106 /* CCK rates (NB: not IEEE std, device-specific) */ 6107 case 2: 6108 return (BWN_CCK_RATE_1MB); 6109 case 4: 6110 return (BWN_CCK_RATE_2MB); 6111 case 11: 6112 return (BWN_CCK_RATE_5MB); 6113 case 22: 6114 return (BWN_CCK_RATE_11MB); 6115 } 6116 6117 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 6118 return (BWN_CCK_RATE_1MB); 6119 } 6120 6121 static uint16_t 6122 bwn_set_txhdr_phyctl1(struct bwn_mac *mac, uint8_t bitrate) 6123 { 6124 struct bwn_phy *phy = &mac->mac_phy; 6125 uint16_t control = 0; 6126 uint16_t bw; 6127 6128 /* XXX TODO: this is for LP phy, what about N-PHY, etc? */ 6129 bw = BWN_TXH_PHY1_BW_20; 6130 6131 if (BWN_ISCCKRATE(bitrate) && phy->type != BWN_PHYTYPE_LP) { 6132 control = bw; 6133 } else { 6134 control = bw; 6135 /* Figure out coding rate and modulation */ 6136 /* XXX TODO: table-ize, for MCS transmit */ 6137 /* Note: this is BWN_*_RATE values */ 6138 switch (bitrate) { 6139 case BWN_CCK_RATE_1MB: 6140 control |= 0; 6141 break; 6142 case BWN_CCK_RATE_2MB: 6143 control |= 1; 6144 break; 6145 case BWN_CCK_RATE_5MB: 6146 control |= 2; 6147 break; 6148 case BWN_CCK_RATE_11MB: 6149 control |= 3; 6150 break; 6151 case BWN_OFDM_RATE_6MB: 6152 control |= BWN_TXH_PHY1_CRATE_1_2; 6153 control |= BWN_TXH_PHY1_MODUL_BPSK; 6154 break; 6155 case BWN_OFDM_RATE_9MB: 6156 control |= BWN_TXH_PHY1_CRATE_3_4; 6157 control |= BWN_TXH_PHY1_MODUL_BPSK; 6158 break; 6159 case BWN_OFDM_RATE_12MB: 6160 control |= BWN_TXH_PHY1_CRATE_1_2; 6161 control |= BWN_TXH_PHY1_MODUL_QPSK; 6162 break; 6163 case BWN_OFDM_RATE_18MB: 6164 control |= BWN_TXH_PHY1_CRATE_3_4; 6165 control |= BWN_TXH_PHY1_MODUL_QPSK; 6166 break; 6167 case BWN_OFDM_RATE_24MB: 6168 control |= BWN_TXH_PHY1_CRATE_1_2; 6169 control |= BWN_TXH_PHY1_MODUL_QAM16; 6170 break; 6171 case BWN_OFDM_RATE_36MB: 6172 control |= BWN_TXH_PHY1_CRATE_3_4; 6173 control |= BWN_TXH_PHY1_MODUL_QAM16; 6174 break; 6175 case BWN_OFDM_RATE_48MB: 6176 control |= BWN_TXH_PHY1_CRATE_1_2; 6177 control |= BWN_TXH_PHY1_MODUL_QAM64; 6178 break; 6179 case BWN_OFDM_RATE_54MB: 6180 control |= BWN_TXH_PHY1_CRATE_3_4; 6181 control |= BWN_TXH_PHY1_MODUL_QAM64; 6182 break; 6183 default: 6184 break; 6185 } 6186 control |= BWN_TXH_PHY1_MODE_SISO; 6187 } 6188 6189 return control; 6190 } 6191 6192 static int 6193 bwn_set_txhdr(struct bwn_mac *mac, struct ieee80211_node *ni, 6194 struct mbuf *m, struct bwn_txhdr *txhdr, uint16_t cookie) 6195 { 6196 const struct bwn_phy *phy = &mac->mac_phy; 6197 struct bwn_softc *sc = mac->mac_sc; 6198 struct ieee80211_frame *wh; 6199 struct ieee80211_frame *protwh; 6200 struct ieee80211_frame_cts *cts; 6201 struct ieee80211_frame_rts *rts; 6202 const struct ieee80211_txparam *tp = ni->ni_txparms; 6203 struct ieee80211vap *vap = ni->ni_vap; 6204 struct ieee80211com *ic = &sc->sc_ic; 6205 struct mbuf *mprot; 6206 unsigned int len; 6207 uint32_t macctl = 0; 6208 int protdur, rts_rate, rts_rate_fb, ismcast, isshort, rix, type; 6209 uint16_t phyctl = 0; 6210 uint8_t rate, rate_fb; 6211 int fill_phy_ctl1 = 0; 6212 6213 wh = mtod(m, struct ieee80211_frame *); 6214 memset(txhdr, 0, sizeof(*txhdr)); 6215 6216 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 6217 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); 6218 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 6219 6220 if ((phy->type == BWN_PHYTYPE_N) || (phy->type == BWN_PHYTYPE_LP) 6221 || (phy->type == BWN_PHYTYPE_HT)) 6222 fill_phy_ctl1 = 1; 6223 6224 /* 6225 * Find TX rate 6226 */ 6227 if (type != IEEE80211_FC0_TYPE_DATA || (m->m_flags & M_EAPOL)) 6228 rate = rate_fb = tp->mgmtrate; 6229 else if (ismcast) 6230 rate = rate_fb = tp->mcastrate; 6231 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 6232 rate = rate_fb = tp->ucastrate; 6233 else { 6234 rix = ieee80211_ratectl_rate(ni, NULL, 0); 6235 rate = ni->ni_txrate; 6236 6237 if (rix > 0) 6238 rate_fb = ni->ni_rates.rs_rates[rix - 1] & 6239 IEEE80211_RATE_VAL; 6240 else 6241 rate_fb = rate; 6242 } 6243 6244 sc->sc_tx_rate = rate; 6245 6246 /* Note: this maps the select ieee80211 rate to hardware rate */ 6247 rate = bwn_ieeerate2hwrate(sc, rate); 6248 rate_fb = bwn_ieeerate2hwrate(sc, rate_fb); 6249 6250 txhdr->phyrate = (BWN_ISOFDMRATE(rate)) ? bwn_plcp_getofdm(rate) : 6251 bwn_plcp_getcck(rate); 6252 bcopy(wh->i_fc, txhdr->macfc, sizeof(txhdr->macfc)); 6253 bcopy(wh->i_addr1, txhdr->addr1, IEEE80211_ADDR_LEN); 6254 6255 /* XXX rate/rate_fb is the hardware rate */ 6256 if ((rate_fb == rate) || 6257 (*(u_int16_t *)wh->i_dur & htole16(0x8000)) || 6258 (*(u_int16_t *)wh->i_dur == htole16(0))) 6259 txhdr->dur_fb = *(u_int16_t *)wh->i_dur; 6260 else 6261 txhdr->dur_fb = ieee80211_compute_duration(ic->ic_rt, 6262 m->m_pkthdr.len, rate, isshort); 6263 6264 /* XXX TX encryption */ 6265 6266 switch (mac->mac_fw.fw_hdr_format) { 6267 case BWN_FW_HDR_351: 6268 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r351.plcp), 6269 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6270 break; 6271 case BWN_FW_HDR_410: 6272 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r410.plcp), 6273 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6274 break; 6275 case BWN_FW_HDR_598: 6276 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->body.r598.plcp), 6277 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate); 6278 break; 6279 } 6280 6281 bwn_plcp_genhdr((struct bwn_plcp4 *)(&txhdr->plcp_fb), 6282 m->m_pkthdr.len + IEEE80211_CRC_LEN, rate_fb); 6283 6284 txhdr->eftypes |= (BWN_ISOFDMRATE(rate_fb)) ? BWN_TX_EFT_FB_OFDM : 6285 BWN_TX_EFT_FB_CCK; 6286 txhdr->chan = phy->chan; 6287 phyctl |= (BWN_ISOFDMRATE(rate)) ? BWN_TX_PHY_ENC_OFDM : 6288 BWN_TX_PHY_ENC_CCK; 6289 /* XXX preamble? obey net80211 */ 6290 if (isshort && (rate == BWN_CCK_RATE_2MB || rate == BWN_CCK_RATE_5MB || 6291 rate == BWN_CCK_RATE_11MB)) 6292 phyctl |= BWN_TX_PHY_SHORTPRMBL; 6293 6294 if (! phy->gmode) 6295 macctl |= BWN_TX_MAC_5GHZ; 6296 6297 /* XXX TX antenna selection */ 6298 6299 switch (bwn_antenna_sanitize(mac, 0)) { 6300 case 0: 6301 phyctl |= BWN_TX_PHY_ANT01AUTO; 6302 break; 6303 case 1: 6304 phyctl |= BWN_TX_PHY_ANT0; 6305 break; 6306 case 2: 6307 phyctl |= BWN_TX_PHY_ANT1; 6308 break; 6309 case 3: 6310 phyctl |= BWN_TX_PHY_ANT2; 6311 break; 6312 case 4: 6313 phyctl |= BWN_TX_PHY_ANT3; 6314 break; 6315 default: 6316 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6317 } 6318 6319 if (!ismcast) 6320 macctl |= BWN_TX_MAC_ACK; 6321 6322 macctl |= (BWN_TX_MAC_HWSEQ | BWN_TX_MAC_START_MSDU); 6323 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 6324 m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold) 6325 macctl |= BWN_TX_MAC_LONGFRAME; 6326 6327 if (ic->ic_flags & IEEE80211_F_USEPROT) { 6328 /* Note: don't fall back to CCK rates for 5G */ 6329 if (phy->gmode) 6330 rts_rate = BWN_CCK_RATE_1MB; 6331 else 6332 rts_rate = BWN_OFDM_RATE_6MB; 6333 rts_rate_fb = bwn_get_fbrate(rts_rate); 6334 6335 /* XXX 'rate' here is hardware rate now, not the net80211 rate */ 6336 protdur = ieee80211_compute_duration(ic->ic_rt, 6337 m->m_pkthdr.len, rate, isshort) + 6338 + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 6339 6340 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) { 6341 6342 switch (mac->mac_fw.fw_hdr_format) { 6343 case BWN_FW_HDR_351: 6344 cts = (struct ieee80211_frame_cts *) 6345 txhdr->body.r351.rts_frame; 6346 break; 6347 case BWN_FW_HDR_410: 6348 cts = (struct ieee80211_frame_cts *) 6349 txhdr->body.r410.rts_frame; 6350 break; 6351 case BWN_FW_HDR_598: 6352 cts = (struct ieee80211_frame_cts *) 6353 txhdr->body.r598.rts_frame; 6354 break; 6355 } 6356 6357 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, 6358 protdur); 6359 KASSERT(mprot != NULL, ("failed to alloc mbuf\n")); 6360 bcopy(mtod(mprot, uint8_t *), (uint8_t *)cts, 6361 mprot->m_pkthdr.len); 6362 m_freem(mprot); 6363 macctl |= BWN_TX_MAC_SEND_CTSTOSELF; 6364 len = sizeof(struct ieee80211_frame_cts); 6365 } else { 6366 switch (mac->mac_fw.fw_hdr_format) { 6367 case BWN_FW_HDR_351: 6368 rts = (struct ieee80211_frame_rts *) 6369 txhdr->body.r351.rts_frame; 6370 break; 6371 case BWN_FW_HDR_410: 6372 rts = (struct ieee80211_frame_rts *) 6373 txhdr->body.r410.rts_frame; 6374 break; 6375 case BWN_FW_HDR_598: 6376 rts = (struct ieee80211_frame_rts *) 6377 txhdr->body.r598.rts_frame; 6378 break; 6379 } 6380 6381 /* XXX rate/rate_fb is the hardware rate */ 6382 protdur += ieee80211_ack_duration(ic->ic_rt, rate, 6383 isshort); 6384 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, 6385 wh->i_addr2, protdur); 6386 KASSERT(mprot != NULL, ("failed to alloc mbuf\n")); 6387 bcopy(mtod(mprot, uint8_t *), (uint8_t *)rts, 6388 mprot->m_pkthdr.len); 6389 m_freem(mprot); 6390 macctl |= BWN_TX_MAC_SEND_RTSCTS; 6391 len = sizeof(struct ieee80211_frame_rts); 6392 } 6393 len += IEEE80211_CRC_LEN; 6394 6395 switch (mac->mac_fw.fw_hdr_format) { 6396 case BWN_FW_HDR_351: 6397 bwn_plcp_genhdr((struct bwn_plcp4 *) 6398 &txhdr->body.r351.rts_plcp, len, rts_rate); 6399 break; 6400 case BWN_FW_HDR_410: 6401 bwn_plcp_genhdr((struct bwn_plcp4 *) 6402 &txhdr->body.r410.rts_plcp, len, rts_rate); 6403 break; 6404 case BWN_FW_HDR_598: 6405 bwn_plcp_genhdr((struct bwn_plcp4 *) 6406 &txhdr->body.r598.rts_plcp, len, rts_rate); 6407 break; 6408 } 6409 6410 bwn_plcp_genhdr((struct bwn_plcp4 *)&txhdr->rts_plcp_fb, len, 6411 rts_rate_fb); 6412 6413 switch (mac->mac_fw.fw_hdr_format) { 6414 case BWN_FW_HDR_351: 6415 protwh = (struct ieee80211_frame *) 6416 &txhdr->body.r351.rts_frame; 6417 break; 6418 case BWN_FW_HDR_410: 6419 protwh = (struct ieee80211_frame *) 6420 &txhdr->body.r410.rts_frame; 6421 break; 6422 case BWN_FW_HDR_598: 6423 protwh = (struct ieee80211_frame *) 6424 &txhdr->body.r598.rts_frame; 6425 break; 6426 } 6427 6428 txhdr->rts_dur_fb = *(u_int16_t *)protwh->i_dur; 6429 6430 if (BWN_ISOFDMRATE(rts_rate)) { 6431 txhdr->eftypes |= BWN_TX_EFT_RTS_OFDM; 6432 txhdr->phyrate_rts = bwn_plcp_getofdm(rts_rate); 6433 } else { 6434 txhdr->eftypes |= BWN_TX_EFT_RTS_CCK; 6435 txhdr->phyrate_rts = bwn_plcp_getcck(rts_rate); 6436 } 6437 txhdr->eftypes |= (BWN_ISOFDMRATE(rts_rate_fb)) ? 6438 BWN_TX_EFT_RTS_FBOFDM : BWN_TX_EFT_RTS_FBCCK; 6439 6440 if (fill_phy_ctl1) { 6441 txhdr->phyctl_1rts = htole16(bwn_set_txhdr_phyctl1(mac, rts_rate)); 6442 txhdr->phyctl_1rtsfb = htole16(bwn_set_txhdr_phyctl1(mac, rts_rate_fb)); 6443 } 6444 } 6445 6446 if (fill_phy_ctl1) { 6447 txhdr->phyctl_1 = htole16(bwn_set_txhdr_phyctl1(mac, rate)); 6448 txhdr->phyctl_1fb = htole16(bwn_set_txhdr_phyctl1(mac, rate_fb)); 6449 } 6450 6451 switch (mac->mac_fw.fw_hdr_format) { 6452 case BWN_FW_HDR_351: 6453 txhdr->body.r351.cookie = htole16(cookie); 6454 break; 6455 case BWN_FW_HDR_410: 6456 txhdr->body.r410.cookie = htole16(cookie); 6457 break; 6458 case BWN_FW_HDR_598: 6459 txhdr->body.r598.cookie = htole16(cookie); 6460 break; 6461 } 6462 6463 txhdr->macctl = htole32(macctl); 6464 txhdr->phyctl = htole16(phyctl); 6465 6466 /* 6467 * TX radio tap 6468 */ 6469 if (ieee80211_radiotap_active_vap(vap)) { 6470 sc->sc_tx_th.wt_flags = 0; 6471 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 6472 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP; 6473 if (isshort && 6474 (rate == BWN_CCK_RATE_2MB || rate == BWN_CCK_RATE_5MB || 6475 rate == BWN_CCK_RATE_11MB)) 6476 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 6477 sc->sc_tx_th.wt_rate = rate; 6478 6479 ieee80211_radiotap_tx(vap, m); 6480 } 6481 6482 return (0); 6483 } 6484 6485 static void 6486 bwn_plcp_genhdr(struct bwn_plcp4 *plcp, const uint16_t octets, 6487 const uint8_t rate) 6488 { 6489 uint32_t d, plen; 6490 uint8_t *raw = plcp->o.raw; 6491 6492 if (BWN_ISOFDMRATE(rate)) { 6493 d = bwn_plcp_getofdm(rate); 6494 KASSERT(!(octets & 0xf000), 6495 ("%s:%d: fail", __func__, __LINE__)); 6496 d |= (octets << 5); 6497 plcp->o.data = htole32(d); 6498 } else { 6499 plen = octets * 16 / rate; 6500 if ((octets * 16 % rate) > 0) { 6501 plen++; 6502 if ((rate == BWN_CCK_RATE_11MB) 6503 && ((octets * 8 % 11) < 4)) { 6504 raw[1] = 0x84; 6505 } else 6506 raw[1] = 0x04; 6507 } else 6508 raw[1] = 0x04; 6509 plcp->o.data |= htole32(plen << 16); 6510 raw[0] = bwn_plcp_getcck(rate); 6511 } 6512 } 6513 6514 static uint8_t 6515 bwn_antenna_sanitize(struct bwn_mac *mac, uint8_t n) 6516 { 6517 struct bwn_softc *sc = mac->mac_sc; 6518 uint8_t mask; 6519 6520 if (n == 0) 6521 return (0); 6522 if (mac->mac_phy.gmode) 6523 mask = siba_sprom_get_ant_bg(sc->sc_dev); 6524 else 6525 mask = siba_sprom_get_ant_a(sc->sc_dev); 6526 if (!(mask & (1 << (n - 1)))) 6527 return (0); 6528 return (n); 6529 } 6530 6531 /* 6532 * Return a fallback rate for the given rate. 6533 * 6534 * Note: Don't fall back from OFDM to CCK. 6535 */ 6536 static uint8_t 6537 bwn_get_fbrate(uint8_t bitrate) 6538 { 6539 switch (bitrate) { 6540 /* CCK */ 6541 case BWN_CCK_RATE_1MB: 6542 return (BWN_CCK_RATE_1MB); 6543 case BWN_CCK_RATE_2MB: 6544 return (BWN_CCK_RATE_1MB); 6545 case BWN_CCK_RATE_5MB: 6546 return (BWN_CCK_RATE_2MB); 6547 case BWN_CCK_RATE_11MB: 6548 return (BWN_CCK_RATE_5MB); 6549 6550 /* OFDM */ 6551 case BWN_OFDM_RATE_6MB: 6552 return (BWN_OFDM_RATE_6MB); 6553 case BWN_OFDM_RATE_9MB: 6554 return (BWN_OFDM_RATE_6MB); 6555 case BWN_OFDM_RATE_12MB: 6556 return (BWN_OFDM_RATE_9MB); 6557 case BWN_OFDM_RATE_18MB: 6558 return (BWN_OFDM_RATE_12MB); 6559 case BWN_OFDM_RATE_24MB: 6560 return (BWN_OFDM_RATE_18MB); 6561 case BWN_OFDM_RATE_36MB: 6562 return (BWN_OFDM_RATE_24MB); 6563 case BWN_OFDM_RATE_48MB: 6564 return (BWN_OFDM_RATE_36MB); 6565 case BWN_OFDM_RATE_54MB: 6566 return (BWN_OFDM_RATE_48MB); 6567 } 6568 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6569 return (0); 6570 } 6571 6572 static uint32_t 6573 bwn_pio_write_multi_4(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6574 uint32_t ctl, const void *_data, int len) 6575 { 6576 struct bwn_softc *sc = mac->mac_sc; 6577 uint32_t value = 0; 6578 const uint8_t *data = _data; 6579 6580 ctl |= BWN_PIO8_TXCTL_0_7 | BWN_PIO8_TXCTL_8_15 | 6581 BWN_PIO8_TXCTL_16_23 | BWN_PIO8_TXCTL_24_31; 6582 bwn_pio_write_4(mac, tq, BWN_PIO8_TXCTL, ctl); 6583 6584 siba_write_multi_4(sc->sc_dev, data, (len & ~3), 6585 tq->tq_base + BWN_PIO8_TXDATA); 6586 if (len & 3) { 6587 ctl &= ~(BWN_PIO8_TXCTL_8_15 | BWN_PIO8_TXCTL_16_23 | 6588 BWN_PIO8_TXCTL_24_31); 6589 data = &(data[len - 1]); 6590 switch (len & 3) { 6591 case 3: 6592 ctl |= BWN_PIO8_TXCTL_16_23; 6593 value |= (uint32_t)(*data) << 16; 6594 data--; 6595 case 2: 6596 ctl |= BWN_PIO8_TXCTL_8_15; 6597 value |= (uint32_t)(*data) << 8; 6598 data--; 6599 case 1: 6600 value |= (uint32_t)(*data); 6601 } 6602 bwn_pio_write_4(mac, tq, BWN_PIO8_TXCTL, ctl); 6603 bwn_pio_write_4(mac, tq, BWN_PIO8_TXDATA, value); 6604 } 6605 6606 return (ctl); 6607 } 6608 6609 static void 6610 bwn_pio_write_4(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6611 uint16_t offset, uint32_t value) 6612 { 6613 6614 BWN_WRITE_4(mac, tq->tq_base + offset, value); 6615 } 6616 6617 static uint16_t 6618 bwn_pio_write_multi_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6619 uint16_t ctl, const void *_data, int len) 6620 { 6621 struct bwn_softc *sc = mac->mac_sc; 6622 const uint8_t *data = _data; 6623 6624 ctl |= BWN_PIO_TXCTL_WRITELO | BWN_PIO_TXCTL_WRITEHI; 6625 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6626 6627 siba_write_multi_2(sc->sc_dev, data, (len & ~1), 6628 tq->tq_base + BWN_PIO_TXDATA); 6629 if (len & 1) { 6630 ctl &= ~BWN_PIO_TXCTL_WRITEHI; 6631 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6632 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data[len - 1]); 6633 } 6634 6635 return (ctl); 6636 } 6637 6638 static uint16_t 6639 bwn_pio_write_mbuf_2(struct bwn_mac *mac, struct bwn_pio_txqueue *tq, 6640 uint16_t ctl, struct mbuf *m0) 6641 { 6642 int i, j = 0; 6643 uint16_t data = 0; 6644 const uint8_t *buf; 6645 struct mbuf *m = m0; 6646 6647 ctl |= BWN_PIO_TXCTL_WRITELO | BWN_PIO_TXCTL_WRITEHI; 6648 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6649 6650 for (; m != NULL; m = m->m_next) { 6651 buf = mtod(m, const uint8_t *); 6652 for (i = 0; i < m->m_len; i++) { 6653 if (!((j++) % 2)) 6654 data |= buf[i]; 6655 else { 6656 data |= (buf[i] << 8); 6657 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data); 6658 data = 0; 6659 } 6660 } 6661 } 6662 if (m0->m_pkthdr.len % 2) { 6663 ctl &= ~BWN_PIO_TXCTL_WRITEHI; 6664 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXCTL, ctl); 6665 BWN_PIO_WRITE_2(mac, tq, BWN_PIO_TXDATA, data); 6666 } 6667 6668 return (ctl); 6669 } 6670 6671 static void 6672 bwn_set_slot_time(struct bwn_mac *mac, uint16_t time) 6673 { 6674 6675 /* XXX should exit if 5GHz band .. */ 6676 if (mac->mac_phy.type != BWN_PHYTYPE_G) 6677 return; 6678 6679 BWN_WRITE_2(mac, 0x684, 510 + time); 6680 /* Disabled in Linux b43, can adversely effect performance */ 6681 #if 0 6682 bwn_shm_write_2(mac, BWN_SHARED, 0x0010, time); 6683 #endif 6684 } 6685 6686 static struct bwn_dma_ring * 6687 bwn_dma_select(struct bwn_mac *mac, uint8_t prio) 6688 { 6689 6690 if ((mac->mac_flags & BWN_MAC_FLAG_WME) == 0) 6691 return (mac->mac_method.dma.wme[WME_AC_BE]); 6692 6693 switch (prio) { 6694 case 3: 6695 return (mac->mac_method.dma.wme[WME_AC_VO]); 6696 case 2: 6697 return (mac->mac_method.dma.wme[WME_AC_VI]); 6698 case 0: 6699 return (mac->mac_method.dma.wme[WME_AC_BE]); 6700 case 1: 6701 return (mac->mac_method.dma.wme[WME_AC_BK]); 6702 } 6703 KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__)); 6704 return (NULL); 6705 } 6706 6707 static int 6708 bwn_dma_getslot(struct bwn_dma_ring *dr) 6709 { 6710 int slot; 6711 6712 BWN_ASSERT_LOCKED(dr->dr_mac->mac_sc); 6713 6714 KASSERT(dr->dr_tx, ("%s:%d: fail", __func__, __LINE__)); 6715 KASSERT(!(dr->dr_stop), ("%s:%d: fail", __func__, __LINE__)); 6716 KASSERT(bwn_dma_freeslot(dr) != 0, ("%s:%d: fail", __func__, __LINE__)); 6717 6718 slot = bwn_dma_nextslot(dr, dr->dr_curslot); 6719 KASSERT(!(slot & ~0x0fff), ("%s:%d: fail", __func__, __LINE__)); 6720 dr->dr_curslot = slot; 6721 dr->dr_usedslot++; 6722 6723 return (slot); 6724 } 6725 6726 static struct bwn_pio_txqueue * 6727 bwn_pio_parse_cookie(struct bwn_mac *mac, uint16_t cookie, 6728 struct bwn_pio_txpkt **pack) 6729 { 6730 struct bwn_pio *pio = &mac->mac_method.pio; 6731 struct bwn_pio_txqueue *tq = NULL; 6732 unsigned int index; 6733 6734 switch (cookie & 0xf000) { 6735 case 0x1000: 6736 tq = &pio->wme[WME_AC_BK]; 6737 break; 6738 case 0x2000: 6739 tq = &pio->wme[WME_AC_BE]; 6740 break; 6741 case 0x3000: 6742 tq = &pio->wme[WME_AC_VI]; 6743 break; 6744 case 0x4000: 6745 tq = &pio->wme[WME_AC_VO]; 6746 break; 6747 case 0x5000: 6748 tq = &pio->mcast; 6749 break; 6750 } 6751 KASSERT(tq != NULL, ("%s:%d: fail", __func__, __LINE__)); 6752 if (tq == NULL) 6753 return (NULL); 6754 index = (cookie & 0x0fff); 6755 KASSERT(index < N(tq->tq_pkts), ("%s:%d: fail", __func__, __LINE__)); 6756 if (index >= N(tq->tq_pkts)) 6757 return (NULL); 6758 *pack = &tq->tq_pkts[index]; 6759 KASSERT(*pack != NULL, ("%s:%d: fail", __func__, __LINE__)); 6760 return (tq); 6761 } 6762 6763 static void 6764 bwn_txpwr(void *arg, int npending) 6765 { 6766 struct bwn_mac *mac = arg; 6767 struct bwn_softc *sc; 6768 6769 if (mac == NULL) 6770 return; 6771 6772 sc = mac->mac_sc; 6773 6774 BWN_LOCK(sc); 6775 if (mac->mac_status >= BWN_MAC_STATUS_STARTED && 6776 mac->mac_phy.set_txpwr != NULL) 6777 mac->mac_phy.set_txpwr(mac); 6778 BWN_UNLOCK(sc); 6779 } 6780 6781 static void 6782 bwn_task_15s(struct bwn_mac *mac) 6783 { 6784 uint16_t reg; 6785 6786 if (mac->mac_fw.opensource) { 6787 reg = bwn_shm_read_2(mac, BWN_SCRATCH, BWN_WATCHDOG_REG); 6788 if (reg) { 6789 bwn_restart(mac, "fw watchdog"); 6790 return; 6791 } 6792 bwn_shm_write_2(mac, BWN_SCRATCH, BWN_WATCHDOG_REG, 1); 6793 } 6794 if (mac->mac_phy.task_15s) 6795 mac->mac_phy.task_15s(mac); 6796 6797 mac->mac_phy.txerrors = BWN_TXERROR_MAX; 6798 } 6799 6800 static void 6801 bwn_task_30s(struct bwn_mac *mac) 6802 { 6803 6804 if (mac->mac_phy.type != BWN_PHYTYPE_G || mac->mac_noise.noi_running) 6805 return; 6806 mac->mac_noise.noi_running = 1; 6807 mac->mac_noise.noi_nsamples = 0; 6808 6809 bwn_noise_gensample(mac); 6810 } 6811 6812 static void 6813 bwn_task_60s(struct bwn_mac *mac) 6814 { 6815 6816 if (mac->mac_phy.task_60s) 6817 mac->mac_phy.task_60s(mac); 6818 bwn_phy_txpower_check(mac, BWN_TXPWR_IGNORE_TIME); 6819 } 6820 6821 static void 6822 bwn_tasks(void *arg) 6823 { 6824 struct bwn_mac *mac = arg; 6825 struct bwn_softc *sc = mac->mac_sc; 6826 6827 BWN_ASSERT_LOCKED(sc); 6828 if (mac->mac_status != BWN_MAC_STATUS_STARTED) 6829 return; 6830 6831 if (mac->mac_task_state % 4 == 0) 6832 bwn_task_60s(mac); 6833 if (mac->mac_task_state % 2 == 0) 6834 bwn_task_30s(mac); 6835 bwn_task_15s(mac); 6836 6837 mac->mac_task_state++; 6838 callout_reset(&sc->sc_task_ch, hz * 15, bwn_tasks, mac); 6839 } 6840 6841 static int 6842 bwn_plcp_get_ofdmrate(struct bwn_mac *mac, struct bwn_plcp6 *plcp, uint8_t a) 6843 { 6844 struct bwn_softc *sc = mac->mac_sc; 6845 6846 KASSERT(a == 0, ("not support APHY\n")); 6847 6848 switch (plcp->o.raw[0] & 0xf) { 6849 case 0xb: 6850 return (BWN_OFDM_RATE_6MB); 6851 case 0xf: 6852 return (BWN_OFDM_RATE_9MB); 6853 case 0xa: 6854 return (BWN_OFDM_RATE_12MB); 6855 case 0xe: 6856 return (BWN_OFDM_RATE_18MB); 6857 case 0x9: 6858 return (BWN_OFDM_RATE_24MB); 6859 case 0xd: 6860 return (BWN_OFDM_RATE_36MB); 6861 case 0x8: 6862 return (BWN_OFDM_RATE_48MB); 6863 case 0xc: 6864 return (BWN_OFDM_RATE_54MB); 6865 } 6866 device_printf(sc->sc_dev, "incorrect OFDM rate %d\n", 6867 plcp->o.raw[0] & 0xf); 6868 return (-1); 6869 } 6870 6871 static int 6872 bwn_plcp_get_cckrate(struct bwn_mac *mac, struct bwn_plcp6 *plcp) 6873 { 6874 struct bwn_softc *sc = mac->mac_sc; 6875 6876 switch (plcp->o.raw[0]) { 6877 case 0x0a: 6878 return (BWN_CCK_RATE_1MB); 6879 case 0x14: 6880 return (BWN_CCK_RATE_2MB); 6881 case 0x37: 6882 return (BWN_CCK_RATE_5MB); 6883 case 0x6e: 6884 return (BWN_CCK_RATE_11MB); 6885 } 6886 device_printf(sc->sc_dev, "incorrect CCK rate %d\n", plcp->o.raw[0]); 6887 return (-1); 6888 } 6889 6890 static void 6891 bwn_rx_radiotap(struct bwn_mac *mac, struct mbuf *m, 6892 const struct bwn_rxhdr4 *rxhdr, struct bwn_plcp6 *plcp, int rate, 6893 int rssi, int noise) 6894 { 6895 struct bwn_softc *sc = mac->mac_sc; 6896 const struct ieee80211_frame_min *wh; 6897 uint64_t tsf; 6898 uint16_t low_mactime_now; 6899 uint16_t mt; 6900 6901 if (htole16(rxhdr->phy_status0) & BWN_RX_PHYST0_SHORTPRMBL) 6902 sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 6903 6904 wh = mtod(m, const struct ieee80211_frame_min *); 6905 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) 6906 sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_WEP; 6907 6908 bwn_tsf_read(mac, &tsf); 6909 low_mactime_now = tsf; 6910 tsf = tsf & ~0xffffULL; 6911 6912 switch (mac->mac_fw.fw_hdr_format) { 6913 case BWN_FW_HDR_351: 6914 case BWN_FW_HDR_410: 6915 mt = le16toh(rxhdr->ps4.r351.mac_time); 6916 break; 6917 case BWN_FW_HDR_598: 6918 mt = le16toh(rxhdr->ps4.r598.mac_time); 6919 break; 6920 } 6921 6922 tsf += mt; 6923 if (low_mactime_now < mt) 6924 tsf -= 0x10000; 6925 6926 sc->sc_rx_th.wr_tsf = tsf; 6927 sc->sc_rx_th.wr_rate = rate; 6928 sc->sc_rx_th.wr_antsignal = rssi; 6929 sc->sc_rx_th.wr_antnoise = noise; 6930 } 6931 6932 static void 6933 bwn_tsf_read(struct bwn_mac *mac, uint64_t *tsf) 6934 { 6935 uint32_t low, high; 6936 6937 KASSERT(siba_get_revid(mac->mac_sc->sc_dev) >= 3, 6938 ("%s:%d: fail", __func__, __LINE__)); 6939 6940 low = BWN_READ_4(mac, BWN_REV3PLUS_TSF_LOW); 6941 high = BWN_READ_4(mac, BWN_REV3PLUS_TSF_HIGH); 6942 *tsf = high; 6943 *tsf <<= 32; 6944 *tsf |= low; 6945 } 6946 6947 static int 6948 bwn_dma_attach(struct bwn_mac *mac) 6949 { 6950 struct bwn_dma *dma = &mac->mac_method.dma; 6951 struct bwn_softc *sc = mac->mac_sc; 6952 bus_addr_t lowaddr = 0; 6953 int error; 6954 6955 if (siba_get_type(sc->sc_dev) == SIBA_TYPE_PCMCIA || bwn_usedma == 0) 6956 return (0); 6957 6958 KASSERT(siba_get_revid(sc->sc_dev) >= 5, ("%s: fail", __func__)); 6959 6960 mac->mac_flags |= BWN_MAC_FLAG_DMA; 6961 6962 dma->dmatype = bwn_dma_gettype(mac); 6963 if (dma->dmatype == BWN_DMA_30BIT) 6964 lowaddr = BWN_BUS_SPACE_MAXADDR_30BIT; 6965 else if (dma->dmatype == BWN_DMA_32BIT) 6966 lowaddr = BUS_SPACE_MAXADDR_32BIT; 6967 else 6968 lowaddr = BUS_SPACE_MAXADDR; 6969 6970 /* 6971 * Create top level DMA tag 6972 */ 6973 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), /* parent */ 6974 BWN_ALIGN, 0, /* alignment, bounds */ 6975 lowaddr, /* lowaddr */ 6976 BUS_SPACE_MAXADDR, /* highaddr */ 6977 NULL, NULL, /* filter, filterarg */ 6978 BUS_SPACE_MAXSIZE, /* maxsize */ 6979 BUS_SPACE_UNRESTRICTED, /* nsegments */ 6980 BUS_SPACE_MAXSIZE, /* maxsegsize */ 6981 0, /* flags */ 6982 NULL, NULL, /* lockfunc, lockarg */ 6983 &dma->parent_dtag); 6984 if (error) { 6985 device_printf(sc->sc_dev, "can't create parent DMA tag\n"); 6986 return (error); 6987 } 6988 6989 /* 6990 * Create TX/RX mbuf DMA tag 6991 */ 6992 error = bus_dma_tag_create(dma->parent_dtag, 6993 1, 6994 0, 6995 BUS_SPACE_MAXADDR, 6996 BUS_SPACE_MAXADDR, 6997 NULL, NULL, 6998 MCLBYTES, 6999 1, 7000 BUS_SPACE_MAXSIZE_32BIT, 7001 0, 7002 NULL, NULL, 7003 &dma->rxbuf_dtag); 7004 if (error) { 7005 device_printf(sc->sc_dev, "can't create mbuf DMA tag\n"); 7006 goto fail0; 7007 } 7008 error = bus_dma_tag_create(dma->parent_dtag, 7009 1, 7010 0, 7011 BUS_SPACE_MAXADDR, 7012 BUS_SPACE_MAXADDR, 7013 NULL, NULL, 7014 MCLBYTES, 7015 1, 7016 BUS_SPACE_MAXSIZE_32BIT, 7017 0, 7018 NULL, NULL, 7019 &dma->txbuf_dtag); 7020 if (error) { 7021 device_printf(sc->sc_dev, "can't create mbuf DMA tag\n"); 7022 goto fail1; 7023 } 7024 7025 dma->wme[WME_AC_BK] = bwn_dma_ringsetup(mac, 0, 1, dma->dmatype); 7026 if (!dma->wme[WME_AC_BK]) 7027 goto fail2; 7028 7029 dma->wme[WME_AC_BE] = bwn_dma_ringsetup(mac, 1, 1, dma->dmatype); 7030 if (!dma->wme[WME_AC_BE]) 7031 goto fail3; 7032 7033 dma->wme[WME_AC_VI] = bwn_dma_ringsetup(mac, 2, 1, dma->dmatype); 7034 if (!dma->wme[WME_AC_VI]) 7035 goto fail4; 7036 7037 dma->wme[WME_AC_VO] = bwn_dma_ringsetup(mac, 3, 1, dma->dmatype); 7038 if (!dma->wme[WME_AC_VO]) 7039 goto fail5; 7040 7041 dma->mcast = bwn_dma_ringsetup(mac, 4, 1, dma->dmatype); 7042 if (!dma->mcast) 7043 goto fail6; 7044 dma->rx = bwn_dma_ringsetup(mac, 0, 0, dma->dmatype); 7045 if (!dma->rx) 7046 goto fail7; 7047 7048 return (error); 7049 7050 fail7: bwn_dma_ringfree(&dma->mcast); 7051 fail6: bwn_dma_ringfree(&dma->wme[WME_AC_VO]); 7052 fail5: bwn_dma_ringfree(&dma->wme[WME_AC_VI]); 7053 fail4: bwn_dma_ringfree(&dma->wme[WME_AC_BE]); 7054 fail3: bwn_dma_ringfree(&dma->wme[WME_AC_BK]); 7055 fail2: bus_dma_tag_destroy(dma->txbuf_dtag); 7056 fail1: bus_dma_tag_destroy(dma->rxbuf_dtag); 7057 fail0: bus_dma_tag_destroy(dma->parent_dtag); 7058 return (error); 7059 } 7060 7061 static struct bwn_dma_ring * 7062 bwn_dma_parse_cookie(struct bwn_mac *mac, const struct bwn_txstatus *status, 7063 uint16_t cookie, int *slot) 7064 { 7065 struct bwn_dma *dma = &mac->mac_method.dma; 7066 struct bwn_dma_ring *dr; 7067 struct bwn_softc *sc = mac->mac_sc; 7068 7069 BWN_ASSERT_LOCKED(mac->mac_sc); 7070 7071 switch (cookie & 0xf000) { 7072 case 0x1000: 7073 dr = dma->wme[WME_AC_BK]; 7074 break; 7075 case 0x2000: 7076 dr = dma->wme[WME_AC_BE]; 7077 break; 7078 case 0x3000: 7079 dr = dma->wme[WME_AC_VI]; 7080 break; 7081 case 0x4000: 7082 dr = dma->wme[WME_AC_VO]; 7083 break; 7084 case 0x5000: 7085 dr = dma->mcast; 7086 break; 7087 default: 7088 dr = NULL; 7089 KASSERT(0 == 1, 7090 ("invalid cookie value %d", cookie & 0xf000)); 7091 } 7092 *slot = (cookie & 0x0fff); 7093 if (*slot < 0 || *slot >= dr->dr_numslots) { 7094 /* 7095 * XXX FIXME: sometimes H/W returns TX DONE events duplicately 7096 * that it occurs events which have same H/W sequence numbers. 7097 * When it's occurred just prints a WARNING msgs and ignores. 7098 */ 7099 KASSERT(status->seq == dma->lastseq, 7100 ("%s:%d: fail", __func__, __LINE__)); 7101 device_printf(sc->sc_dev, 7102 "out of slot ranges (0 < %d < %d)\n", *slot, 7103 dr->dr_numslots); 7104 return (NULL); 7105 } 7106 dma->lastseq = status->seq; 7107 return (dr); 7108 } 7109 7110 static void 7111 bwn_dma_stop(struct bwn_mac *mac) 7112 { 7113 struct bwn_dma *dma; 7114 7115 if ((mac->mac_flags & BWN_MAC_FLAG_DMA) == 0) 7116 return; 7117 dma = &mac->mac_method.dma; 7118 7119 bwn_dma_ringstop(&dma->rx); 7120 bwn_dma_ringstop(&dma->wme[WME_AC_BK]); 7121 bwn_dma_ringstop(&dma->wme[WME_AC_BE]); 7122 bwn_dma_ringstop(&dma->wme[WME_AC_VI]); 7123 bwn_dma_ringstop(&dma->wme[WME_AC_VO]); 7124 bwn_dma_ringstop(&dma->mcast); 7125 } 7126 7127 static void 7128 bwn_dma_ringstop(struct bwn_dma_ring **dr) 7129 { 7130 7131 if (dr == NULL) 7132 return; 7133 7134 bwn_dma_cleanup(*dr); 7135 } 7136 7137 static void 7138 bwn_pio_stop(struct bwn_mac *mac) 7139 { 7140 struct bwn_pio *pio; 7141 7142 if (mac->mac_flags & BWN_MAC_FLAG_DMA) 7143 return; 7144 pio = &mac->mac_method.pio; 7145 7146 bwn_destroy_queue_tx(&pio->mcast); 7147 bwn_destroy_queue_tx(&pio->wme[WME_AC_VO]); 7148 bwn_destroy_queue_tx(&pio->wme[WME_AC_VI]); 7149 bwn_destroy_queue_tx(&pio->wme[WME_AC_BE]); 7150 bwn_destroy_queue_tx(&pio->wme[WME_AC_BK]); 7151 } 7152 7153 static void 7154 bwn_led_attach(struct bwn_mac *mac) 7155 { 7156 struct bwn_softc *sc = mac->mac_sc; 7157 const uint8_t *led_act = NULL; 7158 uint16_t val[BWN_LED_MAX]; 7159 int i; 7160 7161 sc->sc_led_idle = (2350 * hz) / 1000; 7162 sc->sc_led_blink = 1; 7163 7164 for (i = 0; i < N(bwn_vendor_led_act); ++i) { 7165 if (siba_get_pci_subvendor(sc->sc_dev) == 7166 bwn_vendor_led_act[i].vid) { 7167 led_act = bwn_vendor_led_act[i].led_act; 7168 break; 7169 } 7170 } 7171 if (led_act == NULL) 7172 led_act = bwn_default_led_act; 7173 7174 val[0] = siba_sprom_get_gpio0(sc->sc_dev); 7175 val[1] = siba_sprom_get_gpio1(sc->sc_dev); 7176 val[2] = siba_sprom_get_gpio2(sc->sc_dev); 7177 val[3] = siba_sprom_get_gpio3(sc->sc_dev); 7178 7179 for (i = 0; i < BWN_LED_MAX; ++i) { 7180 struct bwn_led *led = &sc->sc_leds[i]; 7181 7182 if (val[i] == 0xff) { 7183 led->led_act = led_act[i]; 7184 } else { 7185 if (val[i] & BWN_LED_ACT_LOW) 7186 led->led_flags |= BWN_LED_F_ACTLOW; 7187 led->led_act = val[i] & BWN_LED_ACT_MASK; 7188 } 7189 led->led_mask = (1 << i); 7190 7191 if (led->led_act == BWN_LED_ACT_BLINK_SLOW || 7192 led->led_act == BWN_LED_ACT_BLINK_POLL || 7193 led->led_act == BWN_LED_ACT_BLINK) { 7194 led->led_flags |= BWN_LED_F_BLINK; 7195 if (led->led_act == BWN_LED_ACT_BLINK_POLL) 7196 led->led_flags |= BWN_LED_F_POLLABLE; 7197 else if (led->led_act == BWN_LED_ACT_BLINK_SLOW) 7198 led->led_flags |= BWN_LED_F_SLOW; 7199 7200 if (sc->sc_blink_led == NULL) { 7201 sc->sc_blink_led = led; 7202 if (led->led_flags & BWN_LED_F_SLOW) 7203 BWN_LED_SLOWDOWN(sc->sc_led_idle); 7204 } 7205 } 7206 7207 DPRINTF(sc, BWN_DEBUG_LED, 7208 "%dth led, act %d, lowact %d\n", i, 7209 led->led_act, led->led_flags & BWN_LED_F_ACTLOW); 7210 } 7211 callout_init_mtx(&sc->sc_led_blink_ch, &sc->sc_mtx, 0); 7212 } 7213 7214 static __inline uint16_t 7215 bwn_led_onoff(const struct bwn_led *led, uint16_t val, int on) 7216 { 7217 7218 if (led->led_flags & BWN_LED_F_ACTLOW) 7219 on = !on; 7220 if (on) 7221 val |= led->led_mask; 7222 else 7223 val &= ~led->led_mask; 7224 return val; 7225 } 7226 7227 static void 7228 bwn_led_newstate(struct bwn_mac *mac, enum ieee80211_state nstate) 7229 { 7230 struct bwn_softc *sc = mac->mac_sc; 7231 struct ieee80211com *ic = &sc->sc_ic; 7232 uint16_t val; 7233 int i; 7234 7235 if (nstate == IEEE80211_S_INIT) { 7236 callout_stop(&sc->sc_led_blink_ch); 7237 sc->sc_led_blinking = 0; 7238 } 7239 7240 if ((sc->sc_flags & BWN_FLAG_RUNNING) == 0) 7241 return; 7242 7243 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7244 for (i = 0; i < BWN_LED_MAX; ++i) { 7245 struct bwn_led *led = &sc->sc_leds[i]; 7246 int on; 7247 7248 if (led->led_act == BWN_LED_ACT_UNKN || 7249 led->led_act == BWN_LED_ACT_NULL) 7250 continue; 7251 7252 if ((led->led_flags & BWN_LED_F_BLINK) && 7253 nstate != IEEE80211_S_INIT) 7254 continue; 7255 7256 switch (led->led_act) { 7257 case BWN_LED_ACT_ON: /* Always on */ 7258 on = 1; 7259 break; 7260 case BWN_LED_ACT_OFF: /* Always off */ 7261 case BWN_LED_ACT_5GHZ: /* TODO: 11A */ 7262 on = 0; 7263 break; 7264 default: 7265 on = 1; 7266 switch (nstate) { 7267 case IEEE80211_S_INIT: 7268 on = 0; 7269 break; 7270 case IEEE80211_S_RUN: 7271 if (led->led_act == BWN_LED_ACT_11G && 7272 ic->ic_curmode != IEEE80211_MODE_11G) 7273 on = 0; 7274 break; 7275 default: 7276 if (led->led_act == BWN_LED_ACT_ASSOC) 7277 on = 0; 7278 break; 7279 } 7280 break; 7281 } 7282 7283 val = bwn_led_onoff(led, val, on); 7284 } 7285 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7286 } 7287 7288 static void 7289 bwn_led_event(struct bwn_mac *mac, int event) 7290 { 7291 struct bwn_softc *sc = mac->mac_sc; 7292 struct bwn_led *led = sc->sc_blink_led; 7293 int rate; 7294 7295 if (event == BWN_LED_EVENT_POLL) { 7296 if ((led->led_flags & BWN_LED_F_POLLABLE) == 0) 7297 return; 7298 if (ticks - sc->sc_led_ticks < sc->sc_led_idle) 7299 return; 7300 } 7301 7302 sc->sc_led_ticks = ticks; 7303 if (sc->sc_led_blinking) 7304 return; 7305 7306 switch (event) { 7307 case BWN_LED_EVENT_RX: 7308 rate = sc->sc_rx_rate; 7309 break; 7310 case BWN_LED_EVENT_TX: 7311 rate = sc->sc_tx_rate; 7312 break; 7313 case BWN_LED_EVENT_POLL: 7314 rate = 0; 7315 break; 7316 default: 7317 panic("unknown LED event %d\n", event); 7318 break; 7319 } 7320 bwn_led_blink_start(mac, bwn_led_duration[rate].on_dur, 7321 bwn_led_duration[rate].off_dur); 7322 } 7323 7324 static void 7325 bwn_led_blink_start(struct bwn_mac *mac, int on_dur, int off_dur) 7326 { 7327 struct bwn_softc *sc = mac->mac_sc; 7328 struct bwn_led *led = sc->sc_blink_led; 7329 uint16_t val; 7330 7331 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7332 val = bwn_led_onoff(led, val, 1); 7333 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7334 7335 if (led->led_flags & BWN_LED_F_SLOW) { 7336 BWN_LED_SLOWDOWN(on_dur); 7337 BWN_LED_SLOWDOWN(off_dur); 7338 } 7339 7340 sc->sc_led_blinking = 1; 7341 sc->sc_led_blink_offdur = off_dur; 7342 7343 callout_reset(&sc->sc_led_blink_ch, on_dur, bwn_led_blink_next, mac); 7344 } 7345 7346 static void 7347 bwn_led_blink_next(void *arg) 7348 { 7349 struct bwn_mac *mac = arg; 7350 struct bwn_softc *sc = mac->mac_sc; 7351 uint16_t val; 7352 7353 val = BWN_READ_2(mac, BWN_GPIO_CONTROL); 7354 val = bwn_led_onoff(sc->sc_blink_led, val, 0); 7355 BWN_WRITE_2(mac, BWN_GPIO_CONTROL, val); 7356 7357 callout_reset(&sc->sc_led_blink_ch, sc->sc_led_blink_offdur, 7358 bwn_led_blink_end, mac); 7359 } 7360 7361 static void 7362 bwn_led_blink_end(void *arg) 7363 { 7364 struct bwn_mac *mac = arg; 7365 struct bwn_softc *sc = mac->mac_sc; 7366 7367 sc->sc_led_blinking = 0; 7368 } 7369 7370 static int 7371 bwn_suspend(device_t dev) 7372 { 7373 struct bwn_softc *sc = device_get_softc(dev); 7374 7375 BWN_LOCK(sc); 7376 bwn_stop(sc); 7377 BWN_UNLOCK(sc); 7378 return (0); 7379 } 7380 7381 static int 7382 bwn_resume(device_t dev) 7383 { 7384 struct bwn_softc *sc = device_get_softc(dev); 7385 int error = EDOOFUS; 7386 7387 BWN_LOCK(sc); 7388 if (sc->sc_ic.ic_nrunning > 0) 7389 error = bwn_init(sc); 7390 BWN_UNLOCK(sc); 7391 if (error == 0) 7392 ieee80211_start_all(&sc->sc_ic); 7393 return (0); 7394 } 7395 7396 static void 7397 bwn_rfswitch(void *arg) 7398 { 7399 struct bwn_softc *sc = arg; 7400 struct bwn_mac *mac = sc->sc_curmac; 7401 int cur = 0, prev = 0; 7402 7403 KASSERT(mac->mac_status >= BWN_MAC_STATUS_STARTED, 7404 ("%s: invalid MAC status %d", __func__, mac->mac_status)); 7405 7406 if (mac->mac_phy.rev >= 3 || mac->mac_phy.type == BWN_PHYTYPE_LP 7407 || mac->mac_phy.type == BWN_PHYTYPE_N) { 7408 if (!(BWN_READ_4(mac, BWN_RF_HWENABLED_HI) 7409 & BWN_RF_HWENABLED_HI_MASK)) 7410 cur = 1; 7411 } else { 7412 if (BWN_READ_2(mac, BWN_RF_HWENABLED_LO) 7413 & BWN_RF_HWENABLED_LO_MASK) 7414 cur = 1; 7415 } 7416 7417 if (mac->mac_flags & BWN_MAC_FLAG_RADIO_ON) 7418 prev = 1; 7419 7420 DPRINTF(sc, BWN_DEBUG_RESET, "%s: called; cur=%d, prev=%d\n", 7421 __func__, cur, prev); 7422 7423 if (cur != prev) { 7424 if (cur) 7425 mac->mac_flags |= BWN_MAC_FLAG_RADIO_ON; 7426 else 7427 mac->mac_flags &= ~BWN_MAC_FLAG_RADIO_ON; 7428 7429 device_printf(sc->sc_dev, 7430 "status of RF switch is changed to %s\n", 7431 cur ? "ON" : "OFF"); 7432 if (cur != mac->mac_phy.rf_on) { 7433 if (cur) 7434 bwn_rf_turnon(mac); 7435 else 7436 bwn_rf_turnoff(mac); 7437 } 7438 } 7439 7440 callout_schedule(&sc->sc_rfswitch_ch, hz); 7441 } 7442 7443 static void 7444 bwn_sysctl_node(struct bwn_softc *sc) 7445 { 7446 device_t dev = sc->sc_dev; 7447 struct bwn_mac *mac; 7448 struct bwn_stats *stats; 7449 7450 /* XXX assume that count of MAC is only 1. */ 7451 7452 if ((mac = sc->sc_curmac) == NULL) 7453 return; 7454 stats = &mac->mac_stats; 7455 7456 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7457 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7458 "linknoise", CTLFLAG_RW, &stats->rts, 0, "Noise level"); 7459 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7460 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7461 "rts", CTLFLAG_RW, &stats->rts, 0, "RTS"); 7462 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 7463 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7464 "rtsfail", CTLFLAG_RW, &stats->rtsfail, 0, "RTS failed to send"); 7465 7466 #ifdef BWN_DEBUG 7467 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 7468 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 7469 "debug", CTLFLAG_RW, &sc->sc_debug, 0, "Debug flags"); 7470 #endif 7471 } 7472 7473 static device_method_t bwn_methods[] = { 7474 /* Device interface */ 7475 DEVMETHOD(device_probe, bwn_probe), 7476 DEVMETHOD(device_attach, bwn_attach), 7477 DEVMETHOD(device_detach, bwn_detach), 7478 DEVMETHOD(device_suspend, bwn_suspend), 7479 DEVMETHOD(device_resume, bwn_resume), 7480 DEVMETHOD_END 7481 }; 7482 driver_t bwn_driver = { 7483 "bwn", 7484 bwn_methods, 7485 sizeof(struct bwn_softc) 7486 }; 7487 static devclass_t bwn_devclass; 7488 DRIVER_MODULE(bwn, siba_bwn, bwn_driver, bwn_devclass, 0, 0); 7489 MODULE_DEPEND(bwn, siba_bwn, 1, 1, 1); 7490 MODULE_DEPEND(bwn, gpiobus, 1, 1, 1); 7491 MODULE_DEPEND(bwn, wlan, 1, 1, 1); /* 802.11 media layer */ 7492 MODULE_DEPEND(bwn, firmware, 1, 1, 1); /* firmware support */ 7493 MODULE_DEPEND(bwn, wlan_amrr, 1, 1, 1); 7494 MODULE_VERSION(bwn, 1); 7495