| 1 | /* $NetBSD: sbt.c,v 1.5 2016/07/14 04:00:46 msaitoh Exp $ */ |
| 2 | /* $OpenBSD: sbt.c,v 1.9 2007/06/19 07:59:57 uwe Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 2007 Uwe Stuehler <uwe@openbsd.org> |
| 6 | * |
| 7 | * Permission to use, copy, modify, and distribute this software for any |
| 8 | * purpose with or without fee is hereby granted, provided that the above |
| 9 | * copyright notice and this permission notice appear in all copies. |
| 10 | * |
| 11 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 17 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 18 | */ |
| 19 | |
| 20 | /* Driver for Type-A/B SDIO Bluetooth cards */ |
| 21 | |
| 22 | #include <sys/cdefs.h> |
| 23 | __KERNEL_RCSID(0, "$NetBSD: sbt.c,v 1.5 2016/07/14 04:00:46 msaitoh Exp $" ); |
| 24 | |
| 25 | #include <sys/param.h> |
| 26 | #include <sys/device.h> |
| 27 | #include <sys/malloc.h> |
| 28 | #include <sys/mbuf.h> |
| 29 | #include <sys/proc.h> |
| 30 | #include <sys/queue.h> |
| 31 | #include <sys/socket.h> |
| 32 | #include <sys/systm.h> |
| 33 | |
| 34 | #include <netbt/hci.h> |
| 35 | |
| 36 | #include <dev/sdmmc/sdmmcdevs.h> |
| 37 | #include <dev/sdmmc/sdmmcvar.h> |
| 38 | |
| 39 | #define CSR_READ_1(sc, reg) sdmmc_io_read_1((sc)->sc_sf, (reg)) |
| 40 | #define CSR_WRITE_1(sc, reg, val) sdmmc_io_write_1((sc)->sc_sf, (reg), (val)) |
| 41 | |
| 42 | #define SBT_REG_DAT 0x00 /* receiver/transmitter data */ |
| 43 | #define SBT_REG_RPC 0x10 /* read packet control */ |
| 44 | #define RPC_PCRRT (1<<0) /* packet read retry */ |
| 45 | #define SBT_REG_WPC 0x11 /* write packet control */ |
| 46 | #define WPC_PCWRT (1<<0) /* packet write retry */ |
| 47 | #define SBT_REG_RC 0x12 /* retry control status/set */ |
| 48 | #define SBT_REG_ISTAT 0x13 /* interrupt status */ |
| 49 | #define ISTAT_INTRD (1<<0) /* packet available for read */ |
| 50 | #define SBT_REG_ICLR 0x13 /* interrupt clear */ |
| 51 | #define SBT_REG_IENA 0x14 /* interrupt enable */ |
| 52 | #define SBT_REG_BTMODE 0x20 /* SDIO Bluetooth card mode */ |
| 53 | #define BTMODE_TYPEB (1<<0) /* 1=Type-B, 0=Type-A */ |
| 54 | |
| 55 | #define SBT_PKT_BUFSIZ 65540 |
| 56 | #define SBT_RXTRY_MAX 5 |
| 57 | |
| 58 | struct sbt_softc { |
| 59 | device_t sc_dev; /* base device */ |
| 60 | int sc_flags; |
| 61 | struct hci_unit *sc_unit; /* Bluetooth HCI Unit */ |
| 62 | struct bt_stats sc_stats; |
| 63 | struct sdmmc_function *sc_sf; /* SDIO function */ |
| 64 | int sc_dying; /* shutdown in progress */ |
| 65 | void *sc_ih; |
| 66 | u_char *sc_buf; |
| 67 | int sc_rxtry; |
| 68 | |
| 69 | /* transmit queues */ |
| 70 | MBUFQ_HEAD() sc_cmdq; |
| 71 | MBUFQ_HEAD() sc_aclq; |
| 72 | MBUFQ_HEAD() sc_scoq; |
| 73 | }; |
| 74 | |
| 75 | /* sc_flags */ |
| 76 | #define SBT_XMIT (1 << 0) /* transmit is active */ |
| 77 | #define SBT_ENABLED (1 << 1) /* device is enabled */ |
| 78 | |
| 79 | static int sbt_match(device_t, cfdata_t, void *); |
| 80 | static void sbt_attach(device_t, device_t, void *); |
| 81 | static int sbt_detach(device_t, int); |
| 82 | |
| 83 | CFATTACH_DECL_NEW(sbt, sizeof(struct sbt_softc), |
| 84 | sbt_match, sbt_attach, sbt_detach, NULL); |
| 85 | |
| 86 | static int sbt_write_packet(struct sbt_softc *, u_char *, size_t); |
| 87 | static int sbt_read_packet(struct sbt_softc *, u_char *, size_t *); |
| 88 | static void sbt_start(struct sbt_softc *); |
| 89 | |
| 90 | static int sbt_intr(void *); |
| 91 | |
| 92 | static int sbt_enable(device_t); |
| 93 | static void sbt_disable(device_t); |
| 94 | static void sbt_start_cmd(device_t, struct mbuf *); |
| 95 | static void sbt_start_acl(device_t, struct mbuf *); |
| 96 | static void sbt_start_sco(device_t, struct mbuf *); |
| 97 | static void sbt_stats(device_t, struct bt_stats *, int); |
| 98 | |
| 99 | #undef DPRINTF /* avoid redefine by bluetooth.h */ |
| 100 | #ifdef SBT_DEBUG |
| 101 | int sbt_debug = 1; |
| 102 | #define DPRINTF(s) printf s |
| 103 | #define DNPRINTF(n, s) do { if ((n) <= sbt_debug) printf s; } while (0) |
| 104 | #else |
| 105 | #define DPRINTF(s) do {} while (0) |
| 106 | #define DNPRINTF(n, s) do {} while (0) |
| 107 | #endif |
| 108 | |
| 109 | #define DEVNAME(sc) device_xname((sc)->sc_dev) |
| 110 | |
| 111 | |
| 112 | /* |
| 113 | * Autoconf glue |
| 114 | */ |
| 115 | |
| 116 | static const struct sbt_product { |
| 117 | uint16_t sp_vendor; |
| 118 | uint16_t sp_product; |
| 119 | const char *sp_cisinfo[4]; |
| 120 | } sbt_products[] = { |
| 121 | { |
| 122 | SDMMC_VENDOR_SOCKETCOM, |
| 123 | SDMMC_PRODUCT_SOCKETCOM_BTCARD, |
| 124 | SDMMC_CIS_SOCKETCOM_BTCARD |
| 125 | }, |
| 126 | }; |
| 127 | |
| 128 | static const struct hci_if sbt_hci = { |
| 129 | .enable = sbt_enable, |
| 130 | .disable = sbt_disable, |
| 131 | .output_cmd = sbt_start_cmd, |
| 132 | .output_acl = sbt_start_acl, |
| 133 | .output_sco = sbt_start_sco, |
| 134 | .get_stats = sbt_stats, |
| 135 | .ipl = IPL_TTY, /* XXX */ |
| 136 | }; |
| 137 | |
| 138 | |
| 139 | static int |
| 140 | sbt_match(device_t parent, cfdata_t match, void *aux) |
| 141 | { |
| 142 | struct sdmmc_attach_args *sa = aux; |
| 143 | const struct sbt_product *sp; |
| 144 | struct sdmmc_function *sf; |
| 145 | int i; |
| 146 | |
| 147 | if (sa->sf == NULL) |
| 148 | return 0; /* not SDIO */ |
| 149 | |
| 150 | sf = sa->sf->sc->sc_fn0; |
| 151 | sp = &sbt_products[0]; |
| 152 | |
| 153 | for (i = 0; i < sizeof(sbt_products) / sizeof(sbt_products[0]); |
| 154 | i++, sp = &sbt_products[i]) |
| 155 | if (sp->sp_vendor == sf->cis.manufacturer && |
| 156 | sp->sp_product == sf->cis.product) |
| 157 | return 1; |
| 158 | return 0; |
| 159 | } |
| 160 | |
| 161 | static void |
| 162 | sbt_attach(device_t parent, device_t self, void *aux) |
| 163 | { |
| 164 | struct sbt_softc *sc = device_private(self); |
| 165 | struct sdmmc_attach_args *sa = aux; |
| 166 | |
| 167 | aprint_normal("\n" ); |
| 168 | aprint_naive("\n" ); |
| 169 | |
| 170 | sc->sc_dev = self; |
| 171 | sc->sc_sf = sa->sf; |
| 172 | MBUFQ_INIT(&sc->sc_cmdq); |
| 173 | MBUFQ_INIT(&sc->sc_aclq); |
| 174 | MBUFQ_INIT(&sc->sc_scoq); |
| 175 | |
| 176 | (void)sdmmc_io_function_disable(sc->sc_sf); |
| 177 | if (sdmmc_io_function_enable(sc->sc_sf)) { |
| 178 | aprint_error("%s: function not ready\n" , DEVNAME(sc)); |
| 179 | return; |
| 180 | } |
| 181 | |
| 182 | /* It may be Type-B, but we use it only in Type-A mode. */ |
| 183 | printf("%s: SDIO Bluetooth Type-A\n" , DEVNAME(sc)); |
| 184 | |
| 185 | sc->sc_buf = malloc(SBT_PKT_BUFSIZ, M_DEVBUF, M_NOWAIT | M_CANFAIL); |
| 186 | if (sc->sc_buf == NULL) { |
| 187 | aprint_error("%s: can't allocate cmd buffer\n" , DEVNAME(sc)); |
| 188 | return; |
| 189 | } |
| 190 | |
| 191 | /* Enable the HCI packet transport read interrupt. */ |
| 192 | CSR_WRITE_1(sc, SBT_REG_IENA, ISTAT_INTRD); |
| 193 | |
| 194 | /* Enable the card interrupt for this function. */ |
| 195 | sc->sc_ih = sdmmc_intr_establish(parent, sbt_intr, sc, DEVNAME(sc)); |
| 196 | if (sc->sc_ih == NULL) { |
| 197 | aprint_error("%s: can't establish interrupt\n" , DEVNAME(sc)); |
| 198 | return; |
| 199 | } |
| 200 | sdmmc_intr_enable(sc->sc_sf); |
| 201 | |
| 202 | /* |
| 203 | * Attach Bluetooth unit (machine-independent HCI). |
| 204 | */ |
| 205 | sc->sc_unit = hci_attach_pcb(&sbt_hci, self, 0); |
| 206 | } |
| 207 | |
| 208 | static int |
| 209 | sbt_detach(device_t self, int flags) |
| 210 | { |
| 211 | struct sbt_softc *sc = device_private(self); |
| 212 | |
| 213 | sc->sc_dying = 1; |
| 214 | |
| 215 | if (sc->sc_unit) { |
| 216 | hci_detach_pcb(sc->sc_unit); |
| 217 | sc->sc_unit = NULL; |
| 218 | } |
| 219 | |
| 220 | if (sc->sc_ih != NULL) |
| 221 | sdmmc_intr_disestablish(sc->sc_ih); |
| 222 | |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | |
| 227 | /* |
| 228 | * Bluetooth HCI packet transport |
| 229 | */ |
| 230 | |
| 231 | static int |
| 232 | sbt_write_packet(struct sbt_softc *sc, u_char *buf, size_t len) |
| 233 | { |
| 234 | u_char hdr[3]; |
| 235 | size_t pktlen; |
| 236 | int error = EIO; |
| 237 | int retry = 3; |
| 238 | |
| 239 | again: |
| 240 | if (retry-- == 0) { |
| 241 | DPRINTF(("%s: sbt_write_cmd: giving up\n" , DEVNAME(sc))); |
| 242 | return error; |
| 243 | } |
| 244 | |
| 245 | /* Restart the current packet. */ |
| 246 | sdmmc_io_write_1(sc->sc_sf, SBT_REG_WPC, WPC_PCWRT); |
| 247 | |
| 248 | /* Write the packet length. */ |
| 249 | pktlen = len + 3; |
| 250 | hdr[0] = pktlen & 0xff; |
| 251 | hdr[1] = (pktlen >> 8) & 0xff; |
| 252 | hdr[2] = (pktlen >> 16) & 0xff; |
| 253 | error = sdmmc_io_write_multi_1(sc->sc_sf, SBT_REG_DAT, hdr, 3); |
| 254 | if (error) { |
| 255 | DPRINTF(("%s: sbt_write_packet: failed to send length\n" , |
| 256 | DEVNAME(sc))); |
| 257 | goto again; |
| 258 | } |
| 259 | |
| 260 | error = sdmmc_io_write_multi_1(sc->sc_sf, SBT_REG_DAT, buf, len); |
| 261 | if (error) { |
| 262 | DPRINTF(("%s: sbt_write_packet: failed to send packet data\n" , |
| 263 | DEVNAME(sc))); |
| 264 | goto again; |
| 265 | } |
| 266 | return 0; |
| 267 | } |
| 268 | |
| 269 | static int |
| 270 | sbt_read_packet(struct sbt_softc *sc, u_char *buf, size_t *lenp) |
| 271 | { |
| 272 | u_char hdr[3]; |
| 273 | size_t len; |
| 274 | int error; |
| 275 | |
| 276 | error = sdmmc_io_read_multi_1(sc->sc_sf, SBT_REG_DAT, hdr, 3); |
| 277 | if (error) { |
| 278 | DPRINTF(("%s: sbt_read_packet: failed to read length\n" , |
| 279 | DEVNAME(sc))); |
| 280 | goto out; |
| 281 | } |
| 282 | len = (hdr[0] | (hdr[1] << 8) | (hdr[2] << 16)) - 3; |
| 283 | if (len > *lenp) { |
| 284 | DPRINTF(("%s: sbt_read_packet: len %u > %u\n" , |
| 285 | DEVNAME(sc), len, *lenp)); |
| 286 | error = ENOBUFS; |
| 287 | goto out; |
| 288 | } |
| 289 | |
| 290 | DNPRINTF(2,("%s: sbt_read_packet: reading len %u bytes\n" , |
| 291 | DEVNAME(sc), len)); |
| 292 | error = sdmmc_io_read_multi_1(sc->sc_sf, SBT_REG_DAT, buf, len); |
| 293 | if (error) { |
| 294 | DPRINTF(("%s: sbt_read_packet: failed to read packet data\n" , |
| 295 | DEVNAME(sc))); |
| 296 | goto out; |
| 297 | } |
| 298 | |
| 299 | out: |
| 300 | if (error) { |
| 301 | if (sc->sc_rxtry >= SBT_RXTRY_MAX) { |
| 302 | /* Drop and request the next packet. */ |
| 303 | sc->sc_rxtry = 0; |
| 304 | CSR_WRITE_1(sc, SBT_REG_RPC, 0); |
| 305 | } else { |
| 306 | /* Request the current packet again. */ |
| 307 | sc->sc_rxtry++; |
| 308 | CSR_WRITE_1(sc, SBT_REG_RPC, RPC_PCRRT); |
| 309 | } |
| 310 | return error; |
| 311 | } |
| 312 | |
| 313 | /* acknowledge read packet */ |
| 314 | CSR_WRITE_1(sc, SBT_REG_RPC, 0); |
| 315 | |
| 316 | *lenp = len; |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | /* |
| 321 | * Interrupt handling |
| 322 | */ |
| 323 | |
| 324 | static int |
| 325 | sbt_intr(void *arg) |
| 326 | { |
| 327 | struct sbt_softc *sc = arg; |
| 328 | struct mbuf *m = NULL; |
| 329 | u_int8_t status; |
| 330 | size_t len; |
| 331 | int s; |
| 332 | |
| 333 | s = splsdmmc(); |
| 334 | |
| 335 | status = CSR_READ_1(sc, SBT_REG_ISTAT); |
| 336 | CSR_WRITE_1(sc, SBT_REG_ICLR, status); |
| 337 | |
| 338 | if ((status & ISTAT_INTRD) == 0) |
| 339 | return 0; /* shared SDIO card interrupt? */ |
| 340 | |
| 341 | len = SBT_PKT_BUFSIZ; |
| 342 | if (sbt_read_packet(sc, sc->sc_buf, &len) != 0 || len == 0) { |
| 343 | DPRINTF(("%s: sbt_intr: read failed\n" , DEVNAME(sc))); |
| 344 | goto eoi; |
| 345 | } |
| 346 | |
| 347 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
| 348 | if (m == NULL) { |
| 349 | DPRINTF(("%s: sbt_intr: MGETHDR failed\n" , DEVNAME(sc))); |
| 350 | goto eoi; |
| 351 | } |
| 352 | |
| 353 | m->m_pkthdr.len = m->m_len = MHLEN; |
| 354 | m_copyback(m, 0, len, sc->sc_buf); |
| 355 | if (m->m_pkthdr.len == MAX(MHLEN, len)) { |
| 356 | m->m_pkthdr.len = len; |
| 357 | m->m_len = MIN(MHLEN, m->m_pkthdr.len); |
| 358 | } else { |
| 359 | DPRINTF(("%s: sbt_intr: m_copyback failed\n" , DEVNAME(sc))); |
| 360 | m_free(m); |
| 361 | m = NULL; |
| 362 | } |
| 363 | |
| 364 | eoi: |
| 365 | if (m != NULL) { |
| 366 | switch (sc->sc_buf[0]) { |
| 367 | case HCI_ACL_DATA_PKT: |
| 368 | DNPRINTF(1,("%s: recv ACL packet (%d bytes)\n" , |
| 369 | DEVNAME(sc), m->m_pkthdr.len)); |
| 370 | hci_input_acl(sc->sc_unit, m); |
| 371 | break; |
| 372 | case HCI_SCO_DATA_PKT: |
| 373 | DNPRINTF(1,("%s: recv SCO packet (%d bytes)\n" , |
| 374 | DEVNAME(sc), m->m_pkthdr.len)); |
| 375 | hci_input_sco(sc->sc_unit, m); |
| 376 | break; |
| 377 | case HCI_EVENT_PKT: |
| 378 | DNPRINTF(1,("%s: recv EVENT packet (%d bytes)\n" , |
| 379 | DEVNAME(sc), m->m_pkthdr.len)); |
| 380 | hci_input_event(sc->sc_unit, m); |
| 381 | break; |
| 382 | default: |
| 383 | DPRINTF(("%s: recv 0x%x packet (%d bytes)\n" , |
| 384 | DEVNAME(sc), sc->sc_buf[0], m->m_pkthdr.len)); |
| 385 | sc->sc_stats.err_rx++; |
| 386 | m_free(m); |
| 387 | break; |
| 388 | } |
| 389 | } else |
| 390 | sc->sc_stats.err_rx++; |
| 391 | |
| 392 | splx(s); |
| 393 | |
| 394 | /* Claim this interrupt. */ |
| 395 | return 1; |
| 396 | } |
| 397 | |
| 398 | |
| 399 | /* |
| 400 | * Bluetooth HCI unit functions |
| 401 | */ |
| 402 | |
| 403 | static int |
| 404 | sbt_enable(device_t self) |
| 405 | { |
| 406 | struct sbt_softc *sc = device_private(self); |
| 407 | int s; |
| 408 | |
| 409 | if (sc->sc_flags & SBT_ENABLED) |
| 410 | return 0; |
| 411 | |
| 412 | s = spltty(); |
| 413 | |
| 414 | sc->sc_flags |= SBT_ENABLED; |
| 415 | sc->sc_flags &= ~SBT_XMIT; |
| 416 | |
| 417 | splx(s); |
| 418 | |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | static void |
| 423 | sbt_disable(device_t self) |
| 424 | { |
| 425 | struct sbt_softc *sc = device_private(self); |
| 426 | int s; |
| 427 | |
| 428 | if (!(sc->sc_flags & SBT_ENABLED)) |
| 429 | return; |
| 430 | |
| 431 | s = spltty(); |
| 432 | |
| 433 | #ifdef notyet /* XXX */ |
| 434 | if (sc->sc_rxp) { |
| 435 | m_freem(sc->sc_rxp); |
| 436 | sc->sc_rxp = NULL; |
| 437 | } |
| 438 | |
| 439 | if (sc->sc_txp) { |
| 440 | m_freem(sc->sc_txp); |
| 441 | sc->sc_txp = NULL; |
| 442 | } |
| 443 | #endif |
| 444 | |
| 445 | MBUFQ_DRAIN(&sc->sc_cmdq); |
| 446 | MBUFQ_DRAIN(&sc->sc_aclq); |
| 447 | MBUFQ_DRAIN(&sc->sc_scoq); |
| 448 | |
| 449 | sc->sc_flags &= ~SBT_ENABLED; |
| 450 | |
| 451 | splx(s); |
| 452 | } |
| 453 | |
| 454 | static void |
| 455 | sbt_start(struct sbt_softc *sc) |
| 456 | { |
| 457 | struct mbuf *m; |
| 458 | int len; |
| 459 | #ifdef SBT_DEBUG |
| 460 | const char *what; |
| 461 | #endif |
| 462 | |
| 463 | KASSERT((sc->sc_flags & SBT_XMIT) == 0); |
| 464 | |
| 465 | if (sc->sc_dying) |
| 466 | return; |
| 467 | |
| 468 | if (MBUFQ_FIRST(&sc->sc_cmdq)) { |
| 469 | MBUFQ_DEQUEUE(&sc->sc_cmdq, m); |
| 470 | sc->sc_stats.cmd_tx++; |
| 471 | #ifdef SBT_DEBUG |
| 472 | what = "CMD" ; |
| 473 | #endif |
| 474 | goto start; |
| 475 | } |
| 476 | |
| 477 | if (MBUFQ_FIRST(&sc->sc_scoq)) { |
| 478 | MBUFQ_DEQUEUE(&sc->sc_scoq, m); |
| 479 | sc->sc_stats.sco_tx++; |
| 480 | #ifdef SBT_DEBUG |
| 481 | what = "SCO" ; |
| 482 | #endif |
| 483 | goto start; |
| 484 | } |
| 485 | |
| 486 | if (MBUFQ_FIRST(&sc->sc_aclq)) { |
| 487 | MBUFQ_DEQUEUE(&sc->sc_aclq, m); |
| 488 | sc->sc_stats.acl_tx++; |
| 489 | #ifdef SBT_DEBUG |
| 490 | what = "ACL" ; |
| 491 | #endif |
| 492 | goto start; |
| 493 | } |
| 494 | |
| 495 | /* Nothing to send */ |
| 496 | return; |
| 497 | |
| 498 | start: |
| 499 | DNPRINTF(1,("%s: xmit %s packet (%d bytes)\n" , DEVNAME(sc), |
| 500 | what, m->m_pkthdr.len)); |
| 501 | |
| 502 | sc->sc_flags |= SBT_XMIT; |
| 503 | |
| 504 | len = m->m_pkthdr.len; |
| 505 | m_copydata(m, 0, len, sc->sc_buf); |
| 506 | m_freem(m); |
| 507 | |
| 508 | if (sbt_write_packet(sc, sc->sc_buf, len)) |
| 509 | DPRINTF(("%s: sbt_write_packet failed\n" , DEVNAME(sc))); |
| 510 | |
| 511 | sc->sc_flags &= ~SBT_XMIT; |
| 512 | } |
| 513 | |
| 514 | static void |
| 515 | sbt_start_cmd(device_t self, struct mbuf *m) |
| 516 | { |
| 517 | struct sbt_softc *sc = device_private(self); |
| 518 | int s; |
| 519 | |
| 520 | KASSERT(sc->sc_flags & SBT_ENABLED); |
| 521 | |
| 522 | M_SETCTX(m, NULL); |
| 523 | |
| 524 | s = spltty(); |
| 525 | |
| 526 | MBUFQ_ENQUEUE(&sc->sc_cmdq, m); |
| 527 | if ((sc->sc_flags & SBT_XMIT) == 0) |
| 528 | sbt_start(sc); |
| 529 | |
| 530 | splx(s); |
| 531 | } |
| 532 | |
| 533 | static void |
| 534 | sbt_start_acl(device_t self, struct mbuf *m) |
| 535 | { |
| 536 | struct sbt_softc *sc = device_private(self); |
| 537 | int s; |
| 538 | |
| 539 | KASSERT(sc->sc_flags & SBT_ENABLED); |
| 540 | |
| 541 | M_SETCTX(m, NULL); |
| 542 | |
| 543 | s = spltty(); |
| 544 | |
| 545 | MBUFQ_ENQUEUE(&sc->sc_aclq, m); |
| 546 | if ((sc->sc_flags & SBT_XMIT) == 0) |
| 547 | sbt_start(sc); |
| 548 | |
| 549 | splx(s); |
| 550 | } |
| 551 | |
| 552 | static void |
| 553 | sbt_start_sco(device_t self, struct mbuf *m) |
| 554 | { |
| 555 | struct sbt_softc *sc = device_private(self); |
| 556 | int s; |
| 557 | |
| 558 | KASSERT(sc->sc_flags & SBT_ENABLED); |
| 559 | |
| 560 | s = spltty(); |
| 561 | |
| 562 | MBUFQ_ENQUEUE(&sc->sc_scoq, m); |
| 563 | if ((sc->sc_flags & SBT_XMIT) == 0) |
| 564 | sbt_start(sc); |
| 565 | |
| 566 | splx(s); |
| 567 | } |
| 568 | |
| 569 | static void |
| 570 | sbt_stats(device_t self, struct bt_stats *dest, int flush) |
| 571 | { |
| 572 | struct sbt_softc *sc = device_private(self); |
| 573 | int s; |
| 574 | |
| 575 | s = spltty(); |
| 576 | |
| 577 | memcpy(dest, &sc->sc_stats, sizeof(struct bt_stats)); |
| 578 | |
| 579 | if (flush) |
| 580 | memset(&sc->sc_stats, 0, sizeof(struct bt_stats)); |
| 581 | |
| 582 | splx(s); |
| 583 | } |
| 584 | |