| 1 | /* $NetBSD: ubt.c,v 1.56 2016/07/14 04:19:27 msaitoh Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2006 Itronix Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Written by Iain Hibbert for Itronix Inc. |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions |
| 11 | * are met: |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * 3. The name of Itronix Inc. may not be used to endorse |
| 18 | * or promote products derived from this software without specific |
| 19 | * prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 23 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY |
| 25 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 26 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 27 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 28 | * ON ANY THEORY OF LIABILITY, WHETHER IN |
| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 31 | * POSSIBILITY OF SUCH DAMAGE. |
| 32 | */ |
| 33 | /* |
| 34 | * Copyright (c) 2002, 2003 The NetBSD Foundation, Inc. |
| 35 | * All rights reserved. |
| 36 | * |
| 37 | * This code is derived from software contributed to The NetBSD Foundation |
| 38 | * by Lennart Augustsson (lennart@augustsson.net) and |
| 39 | * David Sainty (David.Sainty@dtsp.co.nz). |
| 40 | * |
| 41 | * Redistribution and use in source and binary forms, with or without |
| 42 | * modification, are permitted provided that the following conditions |
| 43 | * are met: |
| 44 | * 1. Redistributions of source code must retain the above copyright |
| 45 | * notice, this list of conditions and the following disclaimer. |
| 46 | * 2. Redistributions in binary form must reproduce the above copyright |
| 47 | * notice, this list of conditions and the following disclaimer in the |
| 48 | * documentation and/or other materials provided with the distribution. |
| 49 | * |
| 50 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 51 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 52 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 53 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 54 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 55 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 56 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 57 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 58 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 59 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 60 | * POSSIBILITY OF SUCH DAMAGE. |
| 61 | */ |
| 62 | /* |
| 63 | * This driver originally written by Lennart Augustsson and David Sainty, |
| 64 | * but was mostly rewritten for the NetBSD Bluetooth protocol stack by |
| 65 | * Iain Hibbert for Itronix, Inc using the FreeBSD ng_ubt.c driver as a |
| 66 | * reference. |
| 67 | */ |
| 68 | |
| 69 | #include <sys/cdefs.h> |
| 70 | __KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.56 2016/07/14 04:19:27 msaitoh Exp $" ); |
| 71 | |
| 72 | #include <sys/param.h> |
| 73 | #include <sys/device.h> |
| 74 | #include <sys/ioctl.h> |
| 75 | #include <sys/kernel.h> |
| 76 | #include <sys/kmem.h> |
| 77 | #include <sys/mbuf.h> |
| 78 | #include <sys/proc.h> |
| 79 | #include <sys/sysctl.h> |
| 80 | #include <sys/systm.h> |
| 81 | |
| 82 | #include <dev/usb/usb.h> |
| 83 | #include <dev/usb/usbdi.h> |
| 84 | #include <dev/usb/usbdi_util.h> |
| 85 | #include <dev/usb/usbdevs.h> |
| 86 | |
| 87 | #include <netbt/bluetooth.h> |
| 88 | #include <netbt/hci.h> |
| 89 | |
| 90 | /******************************************************************************* |
| 91 | * |
| 92 | * debugging stuff |
| 93 | */ |
| 94 | #undef DPRINTF |
| 95 | #undef DPRINTFN |
| 96 | |
| 97 | #ifdef UBT_DEBUG |
| 98 | int ubt_debug = 0; |
| 99 | |
| 100 | #define DPRINTF(...) do { \ |
| 101 | if (ubt_debug) { \ |
| 102 | printf("%s: ", __func__); \ |
| 103 | printf(__VA_ARGS__); \ |
| 104 | } \ |
| 105 | } while (/* CONSTCOND */0) |
| 106 | |
| 107 | #define DPRINTFN(n, ...) do { \ |
| 108 | if (ubt_debug > (n)) { \ |
| 109 | printf("%s: ", __func__); \ |
| 110 | printf(__VA_ARGS__); \ |
| 111 | } \ |
| 112 | } while (/* CONSTCOND */0) |
| 113 | |
| 114 | SYSCTL_SETUP(sysctl_hw_ubt_debug_setup, "sysctl hw.ubt_debug setup" ) |
| 115 | { |
| 116 | |
| 117 | sysctl_createv(NULL, 0, NULL, NULL, |
| 118 | CTLFLAG_PERMANENT | CTLFLAG_READWRITE, |
| 119 | CTLTYPE_INT, "ubt_debug" , |
| 120 | SYSCTL_DESCR("ubt debug level" ), |
| 121 | NULL, 0, |
| 122 | &ubt_debug, sizeof(ubt_debug), |
| 123 | CTL_HW, CTL_CREATE, CTL_EOL); |
| 124 | } |
| 125 | #else |
| 126 | #define DPRINTF(...) |
| 127 | #define DPRINTFN(...) |
| 128 | #endif |
| 129 | |
| 130 | /******************************************************************************* |
| 131 | * |
| 132 | * ubt softc structure |
| 133 | * |
| 134 | */ |
| 135 | |
| 136 | /* buffer sizes */ |
| 137 | /* |
| 138 | * NB: although ACL packets can extend to 65535 bytes, most devices |
| 139 | * have max_acl_size at much less (largest I have seen is 384) |
| 140 | */ |
| 141 | #define UBT_BUFSIZ_CMD (HCI_CMD_PKT_SIZE - 1) |
| 142 | #define UBT_BUFSIZ_ACL (2048 - 1) |
| 143 | #define UBT_BUFSIZ_EVENT (HCI_EVENT_PKT_SIZE - 1) |
| 144 | |
| 145 | /* Transmit timeouts */ |
| 146 | #define UBT_CMD_TIMEOUT USBD_DEFAULT_TIMEOUT |
| 147 | #define UBT_ACL_TIMEOUT USBD_DEFAULT_TIMEOUT |
| 148 | |
| 149 | /* |
| 150 | * ISOC transfers |
| 151 | * |
| 152 | * xfer buffer size depends on the frame size, and the number |
| 153 | * of frames per transfer is fixed, as each frame should be |
| 154 | * 1ms worth of data. This keeps the rate that xfers complete |
| 155 | * fairly constant. We use multiple xfers to keep the hardware |
| 156 | * busy |
| 157 | */ |
| 158 | #define UBT_NXFERS 3 /* max xfers to queue */ |
| 159 | #define UBT_NFRAMES 10 /* frames per xfer */ |
| 160 | |
| 161 | struct ubt_isoc_xfer { |
| 162 | struct ubt_softc *softc; |
| 163 | struct usbd_xfer *xfer; |
| 164 | uint8_t *buf; |
| 165 | uint16_t size[UBT_NFRAMES]; |
| 166 | int busy; |
| 167 | }; |
| 168 | |
| 169 | struct ubt_softc { |
| 170 | device_t sc_dev; |
| 171 | struct usbd_device *sc_udev; |
| 172 | int sc_refcnt; |
| 173 | int sc_dying; |
| 174 | int sc_enabled; |
| 175 | |
| 176 | /* Control Interface */ |
| 177 | struct usbd_interface * sc_iface0; |
| 178 | |
| 179 | /* Commands (control) */ |
| 180 | struct usbd_xfer *sc_cmd_xfer; |
| 181 | uint8_t *sc_cmd_buf; |
| 182 | int sc_cmd_busy; /* write active */ |
| 183 | MBUFQ_HEAD() sc_cmd_queue; /* output queue */ |
| 184 | |
| 185 | /* Events (interrupt) */ |
| 186 | int sc_evt_addr; /* endpoint address */ |
| 187 | struct usbd_pipe *sc_evt_pipe; |
| 188 | uint8_t *sc_evt_buf; |
| 189 | |
| 190 | /* ACL data (in) */ |
| 191 | int sc_aclrd_addr; /* endpoint address */ |
| 192 | struct usbd_pipe *sc_aclrd_pipe; /* read pipe */ |
| 193 | struct usbd_xfer *sc_aclrd_xfer; /* read xfer */ |
| 194 | uint8_t *sc_aclrd_buf; /* read buffer */ |
| 195 | int sc_aclrd_busy; /* reading */ |
| 196 | |
| 197 | /* ACL data (out) */ |
| 198 | int sc_aclwr_addr; /* endpoint address */ |
| 199 | struct usbd_pipe *sc_aclwr_pipe; /* write pipe */ |
| 200 | struct usbd_xfer *sc_aclwr_xfer; /* write xfer */ |
| 201 | uint8_t *sc_aclwr_buf; /* write buffer */ |
| 202 | int sc_aclwr_busy; /* write active */ |
| 203 | MBUFQ_HEAD() sc_aclwr_queue;/* output queue */ |
| 204 | |
| 205 | /* ISOC interface */ |
| 206 | struct usbd_interface *sc_iface1; /* ISOC interface */ |
| 207 | struct sysctllog *sc_log; /* sysctl log */ |
| 208 | int sc_config; /* current config no */ |
| 209 | int sc_alt_config; /* no of alternates */ |
| 210 | |
| 211 | /* SCO data (in) */ |
| 212 | int sc_scord_addr; /* endpoint address */ |
| 213 | struct usbd_pipe *sc_scord_pipe; /* read pipe */ |
| 214 | int sc_scord_size; /* frame length */ |
| 215 | struct ubt_isoc_xfer sc_scord[UBT_NXFERS]; |
| 216 | struct mbuf *sc_scord_mbuf; /* current packet */ |
| 217 | |
| 218 | /* SCO data (out) */ |
| 219 | int sc_scowr_addr; /* endpoint address */ |
| 220 | struct usbd_pipe *sc_scowr_pipe; /* write pipe */ |
| 221 | int sc_scowr_size; /* frame length */ |
| 222 | struct ubt_isoc_xfer sc_scowr[UBT_NXFERS]; |
| 223 | struct mbuf *sc_scowr_mbuf; /* current packet */ |
| 224 | int sc_scowr_busy; /* write active */ |
| 225 | MBUFQ_HEAD() sc_scowr_queue;/* output queue */ |
| 226 | |
| 227 | /* Protocol structure */ |
| 228 | struct hci_unit *sc_unit; |
| 229 | struct bt_stats sc_stats; |
| 230 | |
| 231 | /* Successfully attached */ |
| 232 | int sc_ok; |
| 233 | }; |
| 234 | |
| 235 | /******************************************************************************* |
| 236 | * |
| 237 | * Bluetooth unit/USB callback routines |
| 238 | * |
| 239 | */ |
| 240 | static int ubt_enable(device_t); |
| 241 | static void ubt_disable(device_t); |
| 242 | |
| 243 | static void ubt_xmit_cmd(device_t, struct mbuf *); |
| 244 | static void ubt_xmit_cmd_start(struct ubt_softc *); |
| 245 | static void ubt_xmit_cmd_complete(struct usbd_xfer *, |
| 246 | void *, usbd_status); |
| 247 | |
| 248 | static void ubt_xmit_acl(device_t, struct mbuf *); |
| 249 | static void ubt_xmit_acl_start(struct ubt_softc *); |
| 250 | static void ubt_xmit_acl_complete(struct usbd_xfer *, |
| 251 | void *, usbd_status); |
| 252 | |
| 253 | static void ubt_xmit_sco(device_t, struct mbuf *); |
| 254 | static void ubt_xmit_sco_start(struct ubt_softc *); |
| 255 | static void ubt_xmit_sco_start1(struct ubt_softc *, struct ubt_isoc_xfer *); |
| 256 | static void ubt_xmit_sco_complete(struct usbd_xfer *, |
| 257 | void *, usbd_status); |
| 258 | |
| 259 | static void ubt_recv_event(struct usbd_xfer *, |
| 260 | void *, usbd_status); |
| 261 | |
| 262 | static void ubt_recv_acl_start(struct ubt_softc *); |
| 263 | static void ubt_recv_acl_complete(struct usbd_xfer *, |
| 264 | void *, usbd_status); |
| 265 | |
| 266 | static void ubt_recv_sco_start1(struct ubt_softc *, struct ubt_isoc_xfer *); |
| 267 | static void ubt_recv_sco_complete(struct usbd_xfer *, |
| 268 | void *, usbd_status); |
| 269 | |
| 270 | static void ubt_stats(device_t, struct bt_stats *, int); |
| 271 | |
| 272 | static const struct hci_if ubt_hci = { |
| 273 | .enable = ubt_enable, |
| 274 | .disable = ubt_disable, |
| 275 | .output_cmd = ubt_xmit_cmd, |
| 276 | .output_acl = ubt_xmit_acl, |
| 277 | .output_sco = ubt_xmit_sco, |
| 278 | .get_stats = ubt_stats, |
| 279 | .ipl = IPL_SOFTUSB, |
| 280 | }; |
| 281 | |
| 282 | /******************************************************************************* |
| 283 | * |
| 284 | * USB Autoconfig stuff |
| 285 | * |
| 286 | */ |
| 287 | |
| 288 | int ubt_match(device_t, cfdata_t, void *); |
| 289 | void ubt_attach(device_t, device_t, void *); |
| 290 | int ubt_detach(device_t, int); |
| 291 | int ubt_activate(device_t, enum devact); |
| 292 | extern struct cfdriver ubt_cd; |
| 293 | CFATTACH_DECL_NEW(ubt, sizeof(struct ubt_softc), ubt_match, ubt_attach, |
| 294 | ubt_detach, ubt_activate); |
| 295 | |
| 296 | static int ubt_set_isoc_config(struct ubt_softc *); |
| 297 | static int ubt_sysctl_config(SYSCTLFN_PROTO); |
| 298 | static void ubt_abortdealloc(struct ubt_softc *); |
| 299 | |
| 300 | /* |
| 301 | * To match or ignore, add details to the ubt_dev list. |
| 302 | * Use value of -1 to indicate a wildcard |
| 303 | * To override another entry, add details earlier |
| 304 | */ |
| 305 | const struct ubt_devno { |
| 306 | int vendor; |
| 307 | int product; |
| 308 | int class; |
| 309 | int subclass; |
| 310 | int proto; |
| 311 | int match; |
| 312 | } ubt_dev[] = { |
| 313 | { /* ignore Broadcom 2033 without firmware */ |
| 314 | USB_VENDOR_BROADCOM, |
| 315 | USB_PRODUCT_BROADCOM_BCM2033NF, |
| 316 | -1, |
| 317 | -1, |
| 318 | -1, |
| 319 | UMATCH_NONE |
| 320 | }, |
| 321 | { /* Apple Bluetooth Host Controller MacbookPro 7,1 */ |
| 322 | USB_VENDOR_APPLE, |
| 323 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_1, |
| 324 | -1, |
| 325 | -1, |
| 326 | -1, |
| 327 | UMATCH_VENDOR_PRODUCT |
| 328 | }, |
| 329 | { /* Apple Bluetooth Host Controller iMac 11,1 */ |
| 330 | USB_VENDOR_APPLE, |
| 331 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_2, |
| 332 | -1, |
| 333 | -1, |
| 334 | -1, |
| 335 | UMATCH_VENDOR_PRODUCT |
| 336 | }, |
| 337 | { /* Apple Bluetooth Host Controller MacBookPro 8,2 */ |
| 338 | USB_VENDOR_APPLE, |
| 339 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_3, |
| 340 | -1, |
| 341 | -1, |
| 342 | -1, |
| 343 | UMATCH_VENDOR_PRODUCT |
| 344 | }, |
| 345 | { /* Apple Bluetooth Host Controller MacBookAir 3,1 3,2*/ |
| 346 | USB_VENDOR_APPLE, |
| 347 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_4, |
| 348 | -1, |
| 349 | -1, |
| 350 | -1, |
| 351 | UMATCH_VENDOR_PRODUCT |
| 352 | }, |
| 353 | { /* Apple Bluetooth Host Controller MacBookAir 4,1 */ |
| 354 | USB_VENDOR_APPLE, |
| 355 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_5, |
| 356 | -1, |
| 357 | -1, |
| 358 | -1, |
| 359 | UMATCH_VENDOR_PRODUCT |
| 360 | }, |
| 361 | { /* Apple Bluetooth Host Controller MacMini 5,1 */ |
| 362 | USB_VENDOR_APPLE, |
| 363 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_6, |
| 364 | -1, |
| 365 | -1, |
| 366 | -1, |
| 367 | UMATCH_VENDOR_PRODUCT |
| 368 | }, |
| 369 | { /* Apple Bluetooth Host Controller MacBookAir 6,1 */ |
| 370 | USB_VENDOR_APPLE, |
| 371 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_7, |
| 372 | -1, |
| 373 | -1, |
| 374 | -1, |
| 375 | UMATCH_VENDOR_PRODUCT |
| 376 | }, |
| 377 | { /* Broadcom chips with PatchRAM support */ |
| 378 | USB_VENDOR_BROADCOM, |
| 379 | -1, |
| 380 | UDCLASS_VENDOR, |
| 381 | UDSUBCLASS_RF, |
| 382 | UDPROTO_BLUETOOTH, |
| 383 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
| 384 | }, |
| 385 | { /* Broadcom based device with PatchRAM support */ |
| 386 | USB_VENDOR_FOXCONN, |
| 387 | -1, |
| 388 | UDCLASS_VENDOR, |
| 389 | UDSUBCLASS_RF, |
| 390 | UDPROTO_BLUETOOTH, |
| 391 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
| 392 | }, |
| 393 | { /* Broadcom based device with PatchRAM support */ |
| 394 | USB_VENDOR_LITEON, |
| 395 | -1, |
| 396 | UDCLASS_VENDOR, |
| 397 | UDSUBCLASS_RF, |
| 398 | UDPROTO_BLUETOOTH, |
| 399 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
| 400 | }, |
| 401 | { /* Broadcom based device with PatchRAM support */ |
| 402 | USB_VENDOR_BELKIN, |
| 403 | -1, |
| 404 | UDCLASS_VENDOR, |
| 405 | UDSUBCLASS_RF, |
| 406 | UDPROTO_BLUETOOTH, |
| 407 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
| 408 | }, |
| 409 | { /* Broadcom based device with PatchRAM support */ |
| 410 | USB_VENDOR_TOSHIBA, |
| 411 | -1, |
| 412 | UDCLASS_VENDOR, |
| 413 | UDSUBCLASS_RF, |
| 414 | UDPROTO_BLUETOOTH, |
| 415 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
| 416 | }, |
| 417 | { /* Broadcom based device with PatchRAM support */ |
| 418 | USB_VENDOR_ASUSTEK, |
| 419 | -1, |
| 420 | UDCLASS_VENDOR, |
| 421 | UDSUBCLASS_RF, |
| 422 | UDPROTO_BLUETOOTH, |
| 423 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
| 424 | }, |
| 425 | { /* Generic Bluetooth SIG compliant devices */ |
| 426 | -1, |
| 427 | -1, |
| 428 | UDCLASS_WIRELESS, |
| 429 | UDSUBCLASS_RF, |
| 430 | UDPROTO_BLUETOOTH, |
| 431 | UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO |
| 432 | }, |
| 433 | }; |
| 434 | |
| 435 | int |
| 436 | ubt_match(device_t parent, cfdata_t match, void *aux) |
| 437 | { |
| 438 | struct usb_attach_arg *uaa = aux; |
| 439 | size_t i; |
| 440 | |
| 441 | DPRINTFN(50, "ubt_match\n" ); |
| 442 | |
| 443 | for (i = 0; i < __arraycount(ubt_dev); i++) { |
| 444 | if (ubt_dev[i].vendor != -1 |
| 445 | && ubt_dev[i].vendor != (int)uaa->uaa_vendor) |
| 446 | continue; |
| 447 | if (ubt_dev[i].product != -1 |
| 448 | && ubt_dev[i].product != (int)uaa->uaa_product) |
| 449 | continue; |
| 450 | if (ubt_dev[i].class != -1 |
| 451 | && ubt_dev[i].class != uaa->uaa_class) |
| 452 | continue; |
| 453 | if (ubt_dev[i].subclass != -1 |
| 454 | && ubt_dev[i].subclass != uaa->uaa_subclass) |
| 455 | continue; |
| 456 | if (ubt_dev[i].proto != -1 |
| 457 | && ubt_dev[i].proto != uaa->uaa_proto) |
| 458 | continue; |
| 459 | |
| 460 | return ubt_dev[i].match; |
| 461 | } |
| 462 | |
| 463 | return UMATCH_NONE; |
| 464 | } |
| 465 | |
| 466 | void |
| 467 | ubt_attach(device_t parent, device_t self, void *aux) |
| 468 | { |
| 469 | struct ubt_softc *sc = device_private(self); |
| 470 | struct usb_attach_arg *uaa = aux; |
| 471 | usb_config_descriptor_t *cd; |
| 472 | usb_endpoint_descriptor_t *ed; |
| 473 | const struct sysctlnode *node; |
| 474 | char *devinfop; |
| 475 | int err; |
| 476 | uint8_t count, i; |
| 477 | |
| 478 | DPRINTFN(50, "ubt_attach: sc=%p\n" , sc); |
| 479 | |
| 480 | sc->sc_dev = self; |
| 481 | sc->sc_udev = uaa->uaa_device; |
| 482 | |
| 483 | MBUFQ_INIT(&sc->sc_cmd_queue); |
| 484 | MBUFQ_INIT(&sc->sc_aclwr_queue); |
| 485 | MBUFQ_INIT(&sc->sc_scowr_queue); |
| 486 | |
| 487 | aprint_naive("\n" ); |
| 488 | aprint_normal("\n" ); |
| 489 | |
| 490 | devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); |
| 491 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 492 | usbd_devinfo_free(devinfop); |
| 493 | |
| 494 | /* |
| 495 | * Move the device into the configured state |
| 496 | */ |
| 497 | err = usbd_set_config_index(sc->sc_udev, 0, 1); |
| 498 | if (err) { |
| 499 | aprint_error_dev(self, |
| 500 | "failed to set configuration idx 0: %s\n" , |
| 501 | usbd_errstr(err)); |
| 502 | |
| 503 | return; |
| 504 | } |
| 505 | |
| 506 | /* |
| 507 | * Interface 0 must have 3 endpoints |
| 508 | * 1) Interrupt endpoint to receive HCI events |
| 509 | * 2) Bulk IN endpoint to receive ACL data |
| 510 | * 3) Bulk OUT endpoint to send ACL data |
| 511 | */ |
| 512 | err = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface0); |
| 513 | if (err) { |
| 514 | aprint_error_dev(self, |
| 515 | "Could not get interface 0 handle %s (%d)\n" , |
| 516 | usbd_errstr(err), err); |
| 517 | |
| 518 | return; |
| 519 | } |
| 520 | |
| 521 | sc->sc_evt_addr = -1; |
| 522 | sc->sc_aclrd_addr = -1; |
| 523 | sc->sc_aclwr_addr = -1; |
| 524 | |
| 525 | count = 0; |
| 526 | (void)usbd_endpoint_count(sc->sc_iface0, &count); |
| 527 | |
| 528 | for (i = 0 ; i < count ; i++) { |
| 529 | int dir, type; |
| 530 | |
| 531 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface0, i); |
| 532 | if (ed == NULL) { |
| 533 | aprint_error_dev(self, |
| 534 | "could not read endpoint descriptor %d\n" , i); |
| 535 | |
| 536 | return; |
| 537 | } |
| 538 | |
| 539 | dir = UE_GET_DIR(ed->bEndpointAddress); |
| 540 | type = UE_GET_XFERTYPE(ed->bmAttributes); |
| 541 | |
| 542 | if (dir == UE_DIR_IN && type == UE_INTERRUPT) |
| 543 | sc->sc_evt_addr = ed->bEndpointAddress; |
| 544 | else if (dir == UE_DIR_IN && type == UE_BULK) |
| 545 | sc->sc_aclrd_addr = ed->bEndpointAddress; |
| 546 | else if (dir == UE_DIR_OUT && type == UE_BULK) |
| 547 | sc->sc_aclwr_addr = ed->bEndpointAddress; |
| 548 | } |
| 549 | |
| 550 | if (sc->sc_evt_addr == -1) { |
| 551 | aprint_error_dev(self, |
| 552 | "missing INTERRUPT endpoint on interface 0\n" ); |
| 553 | |
| 554 | return; |
| 555 | } |
| 556 | if (sc->sc_aclrd_addr == -1) { |
| 557 | aprint_error_dev(self, |
| 558 | "missing BULK IN endpoint on interface 0\n" ); |
| 559 | |
| 560 | return; |
| 561 | } |
| 562 | if (sc->sc_aclwr_addr == -1) { |
| 563 | aprint_error_dev(self, |
| 564 | "missing BULK OUT endpoint on interface 0\n" ); |
| 565 | |
| 566 | return; |
| 567 | } |
| 568 | |
| 569 | /* |
| 570 | * Interface 1 must have 2 endpoints |
| 571 | * 1) Isochronous IN endpoint to receive SCO data |
| 572 | * 2) Isochronous OUT endpoint to send SCO data |
| 573 | * |
| 574 | * and will have several configurations, which can be selected |
| 575 | * via a sysctl variable. We select config 0 to start, which |
| 576 | * means that no SCO data will be available. |
| 577 | */ |
| 578 | err = usbd_device2interface_handle(sc->sc_udev, 1, &sc->sc_iface1); |
| 579 | if (err) { |
| 580 | aprint_error_dev(self, |
| 581 | "Could not get interface 1 handle %s (%d)\n" , |
| 582 | usbd_errstr(err), err); |
| 583 | |
| 584 | return; |
| 585 | } |
| 586 | |
| 587 | cd = usbd_get_config_descriptor(sc->sc_udev); |
| 588 | if (cd == NULL) { |
| 589 | aprint_error_dev(self, "could not get config descriptor\n" ); |
| 590 | |
| 591 | return; |
| 592 | } |
| 593 | |
| 594 | sc->sc_alt_config = usbd_get_no_alts(cd, 1); |
| 595 | |
| 596 | /* set initial config */ |
| 597 | err = ubt_set_isoc_config(sc); |
| 598 | if (err) { |
| 599 | aprint_error_dev(self, "ISOC config failed\n" ); |
| 600 | |
| 601 | return; |
| 602 | } |
| 603 | |
| 604 | /* Attach HCI */ |
| 605 | sc->sc_unit = hci_attach_pcb(&ubt_hci, sc->sc_dev, 0); |
| 606 | |
| 607 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
| 608 | |
| 609 | /* sysctl set-up for alternate configs */ |
| 610 | sysctl_createv(&sc->sc_log, 0, NULL, &node, |
| 611 | 0, |
| 612 | CTLTYPE_NODE, device_xname(sc->sc_dev), |
| 613 | SYSCTL_DESCR("ubt driver information" ), |
| 614 | NULL, 0, |
| 615 | NULL, 0, |
| 616 | CTL_HW, |
| 617 | CTL_CREATE, CTL_EOL); |
| 618 | |
| 619 | if (node != NULL) { |
| 620 | sysctl_createv(&sc->sc_log, 0, NULL, NULL, |
| 621 | CTLFLAG_READWRITE, |
| 622 | CTLTYPE_INT, "config" , |
| 623 | SYSCTL_DESCR("configuration number" ), |
| 624 | ubt_sysctl_config, 0, |
| 625 | (void *)sc, 0, |
| 626 | CTL_HW, node->sysctl_num, |
| 627 | CTL_CREATE, CTL_EOL); |
| 628 | |
| 629 | sysctl_createv(&sc->sc_log, 0, NULL, NULL, |
| 630 | CTLFLAG_READONLY, |
| 631 | CTLTYPE_INT, "alt_config" , |
| 632 | SYSCTL_DESCR("number of alternate configurations" ), |
| 633 | NULL, 0, |
| 634 | &sc->sc_alt_config, sizeof(sc->sc_alt_config), |
| 635 | CTL_HW, node->sysctl_num, |
| 636 | CTL_CREATE, CTL_EOL); |
| 637 | |
| 638 | sysctl_createv(&sc->sc_log, 0, NULL, NULL, |
| 639 | CTLFLAG_READONLY, |
| 640 | CTLTYPE_INT, "sco_rxsize" , |
| 641 | SYSCTL_DESCR("max SCO receive size" ), |
| 642 | NULL, 0, |
| 643 | &sc->sc_scord_size, sizeof(sc->sc_scord_size), |
| 644 | CTL_HW, node->sysctl_num, |
| 645 | CTL_CREATE, CTL_EOL); |
| 646 | |
| 647 | sysctl_createv(&sc->sc_log, 0, NULL, NULL, |
| 648 | CTLFLAG_READONLY, |
| 649 | CTLTYPE_INT, "sco_txsize" , |
| 650 | SYSCTL_DESCR("max SCO transmit size" ), |
| 651 | NULL, 0, |
| 652 | &sc->sc_scowr_size, sizeof(sc->sc_scowr_size), |
| 653 | CTL_HW, node->sysctl_num, |
| 654 | CTL_CREATE, CTL_EOL); |
| 655 | } |
| 656 | |
| 657 | sc->sc_ok = 1; |
| 658 | |
| 659 | if (!pmf_device_register(self, NULL, NULL)) |
| 660 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 661 | |
| 662 | return; |
| 663 | } |
| 664 | |
| 665 | int |
| 666 | ubt_detach(device_t self, int flags) |
| 667 | { |
| 668 | struct ubt_softc *sc = device_private(self); |
| 669 | int s; |
| 670 | |
| 671 | DPRINTF("sc=%p flags=%d\n" , sc, flags); |
| 672 | |
| 673 | pmf_device_deregister(self); |
| 674 | |
| 675 | sc->sc_dying = 1; |
| 676 | |
| 677 | if (!sc->sc_ok) |
| 678 | return 0; |
| 679 | |
| 680 | /* delete sysctl nodes */ |
| 681 | sysctl_teardown(&sc->sc_log); |
| 682 | |
| 683 | /* Detach HCI interface */ |
| 684 | if (sc->sc_unit) { |
| 685 | hci_detach_pcb(sc->sc_unit); |
| 686 | sc->sc_unit = NULL; |
| 687 | } |
| 688 | |
| 689 | /* |
| 690 | * Abort all pipes. Causes processes waiting for transfer to wake. |
| 691 | * |
| 692 | * Actually, hci_detach_pcb() above will call ubt_disable() which |
| 693 | * may call ubt_abortdealloc(), but lets be sure since doing it |
| 694 | * twice wont cause an error. |
| 695 | */ |
| 696 | ubt_abortdealloc(sc); |
| 697 | |
| 698 | /* wait for all processes to finish */ |
| 699 | s = splusb(); |
| 700 | if (sc->sc_refcnt-- > 0) |
| 701 | usb_detach_waitold(sc->sc_dev); |
| 702 | |
| 703 | splx(s); |
| 704 | |
| 705 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
| 706 | |
| 707 | DPRINTFN(1, "driver detached\n" ); |
| 708 | |
| 709 | return 0; |
| 710 | } |
| 711 | |
| 712 | int |
| 713 | ubt_activate(device_t self, enum devact act) |
| 714 | { |
| 715 | struct ubt_softc *sc = device_private(self); |
| 716 | |
| 717 | DPRINTFN(1, "sc=%p, act=%d\n" , sc, act); |
| 718 | |
| 719 | switch (act) { |
| 720 | case DVACT_DEACTIVATE: |
| 721 | sc->sc_dying = 1; |
| 722 | return 0; |
| 723 | default: |
| 724 | return EOPNOTSUPP; |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | /* set ISOC configuration */ |
| 729 | static int |
| 730 | ubt_set_isoc_config(struct ubt_softc *sc) |
| 731 | { |
| 732 | usb_endpoint_descriptor_t *ed; |
| 733 | int rd_addr, wr_addr, rd_size, wr_size; |
| 734 | uint8_t count, i; |
| 735 | int err; |
| 736 | |
| 737 | err = usbd_set_interface(sc->sc_iface1, sc->sc_config); |
| 738 | if (err != USBD_NORMAL_COMPLETION) { |
| 739 | aprint_error_dev(sc->sc_dev, |
| 740 | "Could not set config %d on ISOC interface. %s (%d)\n" , |
| 741 | sc->sc_config, usbd_errstr(err), err); |
| 742 | |
| 743 | return err == USBD_IN_USE ? EBUSY : EIO; |
| 744 | } |
| 745 | |
| 746 | /* |
| 747 | * We wont get past the above if there are any pipes open, so no |
| 748 | * need to worry about buf/xfer/pipe deallocation. If we get an |
| 749 | * error after this, the frame quantities will be 0 and no SCO |
| 750 | * data will be possible. |
| 751 | */ |
| 752 | |
| 753 | sc->sc_scord_size = rd_size = 0; |
| 754 | sc->sc_scord_addr = rd_addr = -1; |
| 755 | |
| 756 | sc->sc_scowr_size = wr_size = 0; |
| 757 | sc->sc_scowr_addr = wr_addr = -1; |
| 758 | |
| 759 | count = 0; |
| 760 | (void)usbd_endpoint_count(sc->sc_iface1, &count); |
| 761 | |
| 762 | for (i = 0 ; i < count ; i++) { |
| 763 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface1, i); |
| 764 | if (ed == NULL) { |
| 765 | aprint_error_dev(sc->sc_dev, |
| 766 | "could not read endpoint descriptor %d\n" , i); |
| 767 | |
| 768 | return EIO; |
| 769 | } |
| 770 | |
| 771 | DPRINTFN(5, "%s: endpoint type %02x (%02x) addr %02x (%s)\n" , |
| 772 | device_xname(sc->sc_dev), |
| 773 | UE_GET_XFERTYPE(ed->bmAttributes), |
| 774 | UE_GET_ISO_TYPE(ed->bmAttributes), |
| 775 | ed->bEndpointAddress, |
| 776 | UE_GET_DIR(ed->bEndpointAddress) ? "in" : "out" ); |
| 777 | |
| 778 | if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) |
| 779 | continue; |
| 780 | |
| 781 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) { |
| 782 | rd_addr = ed->bEndpointAddress; |
| 783 | rd_size = UGETW(ed->wMaxPacketSize); |
| 784 | } else { |
| 785 | wr_addr = ed->bEndpointAddress; |
| 786 | wr_size = UGETW(ed->wMaxPacketSize); |
| 787 | } |
| 788 | } |
| 789 | |
| 790 | if (rd_addr == -1) { |
| 791 | aprint_error_dev(sc->sc_dev, |
| 792 | "missing ISOC IN endpoint on interface config %d\n" , |
| 793 | sc->sc_config); |
| 794 | |
| 795 | return ENOENT; |
| 796 | } |
| 797 | if (wr_addr == -1) { |
| 798 | aprint_error_dev(sc->sc_dev, |
| 799 | "missing ISOC OUT endpoint on interface config %d\n" , |
| 800 | sc->sc_config); |
| 801 | |
| 802 | return ENOENT; |
| 803 | } |
| 804 | |
| 805 | if (rd_size > MLEN) { |
| 806 | aprint_error_dev(sc->sc_dev, "rd_size=%d exceeds MLEN\n" , |
| 807 | rd_size); |
| 808 | |
| 809 | return EOVERFLOW; |
| 810 | } |
| 811 | |
| 812 | if (wr_size > MLEN) { |
| 813 | aprint_error_dev(sc->sc_dev, "wr_size=%d exceeds MLEN\n" , |
| 814 | wr_size); |
| 815 | |
| 816 | return EOVERFLOW; |
| 817 | } |
| 818 | |
| 819 | sc->sc_scord_size = rd_size; |
| 820 | sc->sc_scord_addr = rd_addr; |
| 821 | |
| 822 | sc->sc_scowr_size = wr_size; |
| 823 | sc->sc_scowr_addr = wr_addr; |
| 824 | |
| 825 | return 0; |
| 826 | } |
| 827 | |
| 828 | /* sysctl helper to set alternate configurations */ |
| 829 | static int |
| 830 | ubt_sysctl_config(SYSCTLFN_ARGS) |
| 831 | { |
| 832 | struct sysctlnode node; |
| 833 | struct ubt_softc *sc; |
| 834 | int t, error; |
| 835 | |
| 836 | node = *rnode; |
| 837 | sc = node.sysctl_data; |
| 838 | |
| 839 | t = sc->sc_config; |
| 840 | node.sysctl_data = &t; |
| 841 | error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
| 842 | if (error || newp == NULL) |
| 843 | return error; |
| 844 | |
| 845 | if (t < 0 || t >= sc->sc_alt_config) |
| 846 | return EINVAL; |
| 847 | |
| 848 | /* This may not change when the unit is enabled */ |
| 849 | if (sc->sc_enabled) |
| 850 | return EBUSY; |
| 851 | |
| 852 | KERNEL_LOCK(1, curlwp); |
| 853 | sc->sc_config = t; |
| 854 | error = ubt_set_isoc_config(sc); |
| 855 | KERNEL_UNLOCK_ONE(curlwp); |
| 856 | return error; |
| 857 | } |
| 858 | |
| 859 | static void |
| 860 | ubt_abortdealloc(struct ubt_softc *sc) |
| 861 | { |
| 862 | int i; |
| 863 | |
| 864 | DPRINTFN(1, "sc=%p\n" , sc); |
| 865 | |
| 866 | /* Abort all pipes */ |
| 867 | usbd_abort_default_pipe(sc->sc_udev); |
| 868 | |
| 869 | if (sc->sc_evt_pipe != NULL) { |
| 870 | usbd_abort_pipe(sc->sc_evt_pipe); |
| 871 | } |
| 872 | |
| 873 | if (sc->sc_aclrd_pipe != NULL) { |
| 874 | usbd_abort_pipe(sc->sc_aclrd_pipe); |
| 875 | } |
| 876 | |
| 877 | if (sc->sc_aclwr_pipe != NULL) { |
| 878 | usbd_abort_pipe(sc->sc_aclwr_pipe); |
| 879 | } |
| 880 | |
| 881 | if (sc->sc_scord_pipe != NULL) { |
| 882 | usbd_abort_pipe(sc->sc_scord_pipe); |
| 883 | } |
| 884 | |
| 885 | if (sc->sc_scowr_pipe != NULL) { |
| 886 | usbd_abort_pipe(sc->sc_scowr_pipe); |
| 887 | } |
| 888 | |
| 889 | /* Free event buffer */ |
| 890 | if (sc->sc_evt_buf != NULL) { |
| 891 | kmem_free(sc->sc_evt_buf, UBT_BUFSIZ_EVENT); |
| 892 | sc->sc_evt_buf = NULL; |
| 893 | } |
| 894 | |
| 895 | /* Free all xfers and xfer buffers (implicit) */ |
| 896 | if (sc->sc_cmd_xfer != NULL) { |
| 897 | usbd_destroy_xfer(sc->sc_cmd_xfer); |
| 898 | sc->sc_cmd_xfer = NULL; |
| 899 | sc->sc_cmd_buf = NULL; |
| 900 | } |
| 901 | |
| 902 | if (sc->sc_aclrd_xfer != NULL) { |
| 903 | usbd_destroy_xfer(sc->sc_aclrd_xfer); |
| 904 | sc->sc_aclrd_xfer = NULL; |
| 905 | sc->sc_aclrd_buf = NULL; |
| 906 | } |
| 907 | |
| 908 | if (sc->sc_aclwr_xfer != NULL) { |
| 909 | usbd_destroy_xfer(sc->sc_aclwr_xfer); |
| 910 | sc->sc_aclwr_xfer = NULL; |
| 911 | sc->sc_aclwr_buf = NULL; |
| 912 | } |
| 913 | |
| 914 | for (i = 0 ; i < UBT_NXFERS ; i++) { |
| 915 | if (sc->sc_scord[i].xfer != NULL) { |
| 916 | usbd_destroy_xfer(sc->sc_scord[i].xfer); |
| 917 | sc->sc_scord[i].xfer = NULL; |
| 918 | sc->sc_scord[i].buf = NULL; |
| 919 | } |
| 920 | |
| 921 | if (sc->sc_scowr[i].xfer != NULL) { |
| 922 | usbd_destroy_xfer(sc->sc_scowr[i].xfer); |
| 923 | sc->sc_scowr[i].xfer = NULL; |
| 924 | sc->sc_scowr[i].buf = NULL; |
| 925 | } |
| 926 | } |
| 927 | |
| 928 | if (sc->sc_evt_pipe != NULL) { |
| 929 | usbd_close_pipe(sc->sc_evt_pipe); |
| 930 | sc->sc_evt_pipe = NULL; |
| 931 | } |
| 932 | |
| 933 | if (sc->sc_aclrd_pipe != NULL) { |
| 934 | usbd_close_pipe(sc->sc_aclrd_pipe); |
| 935 | sc->sc_aclrd_pipe = NULL; |
| 936 | } |
| 937 | |
| 938 | if (sc->sc_aclwr_pipe != NULL) { |
| 939 | usbd_close_pipe(sc->sc_aclwr_pipe); |
| 940 | sc->sc_aclwr_pipe = NULL; |
| 941 | } |
| 942 | |
| 943 | if (sc->sc_scord_pipe != NULL) { |
| 944 | usbd_close_pipe(sc->sc_scord_pipe); |
| 945 | sc->sc_scord_pipe = NULL; |
| 946 | } |
| 947 | |
| 948 | if (sc->sc_scowr_pipe != NULL) { |
| 949 | usbd_close_pipe(sc->sc_scowr_pipe); |
| 950 | sc->sc_scowr_pipe = NULL; |
| 951 | } |
| 952 | |
| 953 | /* Free partial SCO packets */ |
| 954 | if (sc->sc_scord_mbuf != NULL) { |
| 955 | m_freem(sc->sc_scord_mbuf); |
| 956 | sc->sc_scord_mbuf = NULL; |
| 957 | } |
| 958 | |
| 959 | if (sc->sc_scowr_mbuf != NULL) { |
| 960 | m_freem(sc->sc_scowr_mbuf); |
| 961 | sc->sc_scowr_mbuf = NULL; |
| 962 | } |
| 963 | |
| 964 | /* Empty mbuf queues */ |
| 965 | MBUFQ_DRAIN(&sc->sc_cmd_queue); |
| 966 | MBUFQ_DRAIN(&sc->sc_aclwr_queue); |
| 967 | MBUFQ_DRAIN(&sc->sc_scowr_queue); |
| 968 | } |
| 969 | |
| 970 | /******************************************************************************* |
| 971 | * |
| 972 | * Bluetooth Unit/USB callbacks |
| 973 | * |
| 974 | */ |
| 975 | static int |
| 976 | ubt_enable(device_t self) |
| 977 | { |
| 978 | struct ubt_softc *sc = device_private(self); |
| 979 | usbd_status err; |
| 980 | int s, i, error; |
| 981 | |
| 982 | DPRINTFN(1, "sc=%p\n" , sc); |
| 983 | |
| 984 | if (sc->sc_enabled) |
| 985 | return 0; |
| 986 | |
| 987 | s = splusb(); |
| 988 | |
| 989 | /* Events */ |
| 990 | sc->sc_evt_buf = kmem_alloc(UBT_BUFSIZ_EVENT, KM_SLEEP); |
| 991 | if (sc->sc_evt_buf == NULL) { |
| 992 | error = ENOMEM; |
| 993 | goto bad; |
| 994 | } |
| 995 | err = usbd_open_pipe_intr(sc->sc_iface0, |
| 996 | sc->sc_evt_addr, |
| 997 | USBD_SHORT_XFER_OK, |
| 998 | &sc->sc_evt_pipe, |
| 999 | sc, |
| 1000 | sc->sc_evt_buf, |
| 1001 | UBT_BUFSIZ_EVENT, |
| 1002 | ubt_recv_event, |
| 1003 | USBD_DEFAULT_INTERVAL); |
| 1004 | if (err != USBD_NORMAL_COMPLETION) { |
| 1005 | error = EIO; |
| 1006 | goto bad; |
| 1007 | } |
| 1008 | |
| 1009 | /* Commands */ |
| 1010 | struct usbd_pipe *pipe0 = usbd_get_pipe0(sc->sc_udev); |
| 1011 | error = usbd_create_xfer(pipe0, UBT_BUFSIZ_CMD, 0, 0, |
| 1012 | &sc->sc_cmd_xfer); |
| 1013 | if (error) |
| 1014 | goto bad; |
| 1015 | sc->sc_cmd_buf = usbd_get_buffer(sc->sc_cmd_xfer); |
| 1016 | sc->sc_cmd_busy = 0; |
| 1017 | |
| 1018 | /* ACL read */ |
| 1019 | err = usbd_open_pipe(sc->sc_iface0, sc->sc_aclrd_addr, |
| 1020 | USBD_EXCLUSIVE_USE, &sc->sc_aclrd_pipe); |
| 1021 | if (err != USBD_NORMAL_COMPLETION) { |
| 1022 | error = EIO; |
| 1023 | goto bad; |
| 1024 | } |
| 1025 | error = usbd_create_xfer(sc->sc_aclrd_pipe, UBT_BUFSIZ_ACL, |
| 1026 | USBD_SHORT_XFER_OK, 0, &sc->sc_aclrd_xfer); |
| 1027 | if (error) |
| 1028 | goto bad; |
| 1029 | sc->sc_aclrd_buf = usbd_get_buffer(sc->sc_aclrd_xfer); |
| 1030 | sc->sc_aclrd_busy = 0; |
| 1031 | ubt_recv_acl_start(sc); |
| 1032 | |
| 1033 | /* ACL write */ |
| 1034 | err = usbd_open_pipe(sc->sc_iface0, sc->sc_aclwr_addr, |
| 1035 | USBD_EXCLUSIVE_USE, &sc->sc_aclwr_pipe); |
| 1036 | if (err != USBD_NORMAL_COMPLETION) { |
| 1037 | error = EIO; |
| 1038 | goto bad; |
| 1039 | } |
| 1040 | error = usbd_create_xfer(sc->sc_aclwr_pipe, UBT_BUFSIZ_ACL, |
| 1041 | USBD_FORCE_SHORT_XFER, 0, &sc->sc_aclwr_xfer); |
| 1042 | if (error) |
| 1043 | goto bad; |
| 1044 | sc->sc_aclwr_buf = usbd_get_buffer(sc->sc_aclwr_xfer); |
| 1045 | sc->sc_aclwr_busy = 0; |
| 1046 | |
| 1047 | /* SCO read */ |
| 1048 | if (sc->sc_scord_size > 0) { |
| 1049 | err = usbd_open_pipe(sc->sc_iface1, sc->sc_scord_addr, |
| 1050 | USBD_EXCLUSIVE_USE, &sc->sc_scord_pipe); |
| 1051 | if (err != USBD_NORMAL_COMPLETION) { |
| 1052 | error = EIO; |
| 1053 | goto bad; |
| 1054 | } |
| 1055 | |
| 1056 | for (i = 0 ; i < UBT_NXFERS ; i++) { |
| 1057 | error = usbd_create_xfer(sc->sc_scord_pipe, |
| 1058 | sc->sc_scord_size * UBT_NFRAMES, |
| 1059 | USBD_SHORT_XFER_OK, UBT_NFRAMES, |
| 1060 | &sc->sc_scord[i].xfer); |
| 1061 | if (error) |
| 1062 | goto bad; |
| 1063 | |
| 1064 | sc->sc_scord[i].buf = |
| 1065 | usbd_get_buffer(sc->sc_scord[i].xfer); |
| 1066 | sc->sc_scord[i].softc = sc; |
| 1067 | sc->sc_scord[i].busy = 0; |
| 1068 | ubt_recv_sco_start1(sc, &sc->sc_scord[i]); |
| 1069 | } |
| 1070 | } |
| 1071 | |
| 1072 | /* SCO write */ |
| 1073 | if (sc->sc_scowr_size > 0) { |
| 1074 | err = usbd_open_pipe(sc->sc_iface1, sc->sc_scowr_addr, |
| 1075 | USBD_EXCLUSIVE_USE, &sc->sc_scowr_pipe); |
| 1076 | if (err != USBD_NORMAL_COMPLETION) { |
| 1077 | error = EIO; |
| 1078 | goto bad; |
| 1079 | } |
| 1080 | |
| 1081 | for (i = 0 ; i < UBT_NXFERS ; i++) { |
| 1082 | error = usbd_create_xfer(sc->sc_scowr_pipe, |
| 1083 | sc->sc_scowr_size * UBT_NFRAMES, |
| 1084 | USBD_FORCE_SHORT_XFER, UBT_NFRAMES, |
| 1085 | &sc->sc_scowr[i].xfer); |
| 1086 | if (error) |
| 1087 | goto bad; |
| 1088 | sc->sc_scowr[i].buf = |
| 1089 | usbd_get_buffer(sc->sc_scowr[i].xfer); |
| 1090 | sc->sc_scowr[i].softc = sc; |
| 1091 | sc->sc_scowr[i].busy = 0; |
| 1092 | } |
| 1093 | |
| 1094 | sc->sc_scowr_busy = 0; |
| 1095 | } |
| 1096 | |
| 1097 | sc->sc_enabled = 1; |
| 1098 | splx(s); |
| 1099 | return 0; |
| 1100 | |
| 1101 | bad: |
| 1102 | ubt_abortdealloc(sc); |
| 1103 | splx(s); |
| 1104 | return error; |
| 1105 | } |
| 1106 | |
| 1107 | static void |
| 1108 | ubt_disable(device_t self) |
| 1109 | { |
| 1110 | struct ubt_softc *sc = device_private(self); |
| 1111 | int s; |
| 1112 | |
| 1113 | DPRINTFN(1, "sc=%p\n" , sc); |
| 1114 | |
| 1115 | if (sc->sc_enabled == 0) |
| 1116 | return; |
| 1117 | |
| 1118 | s = splusb(); |
| 1119 | ubt_abortdealloc(sc); |
| 1120 | |
| 1121 | sc->sc_enabled = 0; |
| 1122 | splx(s); |
| 1123 | } |
| 1124 | |
| 1125 | static void |
| 1126 | ubt_xmit_cmd(device_t self, struct mbuf *m) |
| 1127 | { |
| 1128 | struct ubt_softc *sc = device_private(self); |
| 1129 | int s; |
| 1130 | |
| 1131 | KASSERT(sc->sc_enabled); |
| 1132 | |
| 1133 | s = splusb(); |
| 1134 | MBUFQ_ENQUEUE(&sc->sc_cmd_queue, m); |
| 1135 | |
| 1136 | if (sc->sc_cmd_busy == 0) |
| 1137 | ubt_xmit_cmd_start(sc); |
| 1138 | |
| 1139 | splx(s); |
| 1140 | } |
| 1141 | |
| 1142 | static void |
| 1143 | ubt_xmit_cmd_start(struct ubt_softc *sc) |
| 1144 | { |
| 1145 | usb_device_request_t req; |
| 1146 | usbd_status status; |
| 1147 | struct mbuf *m; |
| 1148 | int len; |
| 1149 | |
| 1150 | if (sc->sc_dying) |
| 1151 | return; |
| 1152 | |
| 1153 | if (MBUFQ_FIRST(&sc->sc_cmd_queue) == NULL) |
| 1154 | return; |
| 1155 | |
| 1156 | MBUFQ_DEQUEUE(&sc->sc_cmd_queue, m); |
| 1157 | KASSERT(m != NULL); |
| 1158 | |
| 1159 | DPRINTFN(15, "%s: xmit CMD packet (%d bytes)\n" , |
| 1160 | device_xname(sc->sc_dev), m->m_pkthdr.len); |
| 1161 | |
| 1162 | sc->sc_refcnt++; |
| 1163 | sc->sc_cmd_busy = 1; |
| 1164 | |
| 1165 | len = m->m_pkthdr.len - 1; |
| 1166 | m_copydata(m, 1, len, sc->sc_cmd_buf); |
| 1167 | m_freem(m); |
| 1168 | |
| 1169 | memset(&req, 0, sizeof(req)); |
| 1170 | req.bmRequestType = UT_WRITE_CLASS_DEVICE; |
| 1171 | USETW(req.wLength, len); |
| 1172 | |
| 1173 | usbd_setup_default_xfer(sc->sc_cmd_xfer, |
| 1174 | sc->sc_udev, |
| 1175 | sc, |
| 1176 | UBT_CMD_TIMEOUT, |
| 1177 | &req, |
| 1178 | sc->sc_cmd_buf, |
| 1179 | len, |
| 1180 | USBD_FORCE_SHORT_XFER, |
| 1181 | ubt_xmit_cmd_complete); |
| 1182 | |
| 1183 | status = usbd_transfer(sc->sc_cmd_xfer); |
| 1184 | |
| 1185 | KASSERT(status != USBD_NORMAL_COMPLETION); |
| 1186 | |
| 1187 | if (status != USBD_IN_PROGRESS) { |
| 1188 | DPRINTF("usbd_transfer status=%s (%d)\n" , |
| 1189 | usbd_errstr(status), status); |
| 1190 | |
| 1191 | sc->sc_refcnt--; |
| 1192 | sc->sc_cmd_busy = 0; |
| 1193 | } |
| 1194 | } |
| 1195 | |
| 1196 | static void |
| 1197 | ubt_xmit_cmd_complete(struct usbd_xfer *xfer, |
| 1198 | void * h, usbd_status status) |
| 1199 | { |
| 1200 | struct ubt_softc *sc = h; |
| 1201 | uint32_t count; |
| 1202 | |
| 1203 | DPRINTFN(15, "%s: CMD complete status=%s (%d)\n" , |
| 1204 | device_xname(sc->sc_dev), usbd_errstr(status), status); |
| 1205 | |
| 1206 | sc->sc_cmd_busy = 0; |
| 1207 | |
| 1208 | if (--sc->sc_refcnt < 0) { |
| 1209 | DPRINTF("sc_refcnt=%d\n" , sc->sc_refcnt); |
| 1210 | usb_detach_wakeupold(sc->sc_dev); |
| 1211 | return; |
| 1212 | } |
| 1213 | |
| 1214 | if (sc->sc_dying) { |
| 1215 | DPRINTF("sc_dying\n" ); |
| 1216 | return; |
| 1217 | } |
| 1218 | |
| 1219 | if (status != USBD_NORMAL_COMPLETION) { |
| 1220 | DPRINTF("status=%s (%d)\n" , |
| 1221 | usbd_errstr(status), status); |
| 1222 | |
| 1223 | sc->sc_stats.err_tx++; |
| 1224 | return; |
| 1225 | } |
| 1226 | |
| 1227 | usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); |
| 1228 | sc->sc_stats.cmd_tx++; |
| 1229 | sc->sc_stats.byte_tx += count; |
| 1230 | |
| 1231 | ubt_xmit_cmd_start(sc); |
| 1232 | } |
| 1233 | |
| 1234 | static void |
| 1235 | ubt_xmit_acl(device_t self, struct mbuf *m) |
| 1236 | { |
| 1237 | struct ubt_softc *sc = device_private(self); |
| 1238 | int s; |
| 1239 | |
| 1240 | KASSERT(sc->sc_enabled); |
| 1241 | |
| 1242 | s = splusb(); |
| 1243 | MBUFQ_ENQUEUE(&sc->sc_aclwr_queue, m); |
| 1244 | |
| 1245 | if (sc->sc_aclwr_busy == 0) |
| 1246 | ubt_xmit_acl_start(sc); |
| 1247 | |
| 1248 | splx(s); |
| 1249 | } |
| 1250 | |
| 1251 | static void |
| 1252 | ubt_xmit_acl_start(struct ubt_softc *sc) |
| 1253 | { |
| 1254 | struct mbuf *m; |
| 1255 | usbd_status status; |
| 1256 | int len; |
| 1257 | |
| 1258 | if (sc->sc_dying) |
| 1259 | return; |
| 1260 | |
| 1261 | if (MBUFQ_FIRST(&sc->sc_aclwr_queue) == NULL) |
| 1262 | return; |
| 1263 | |
| 1264 | sc->sc_refcnt++; |
| 1265 | sc->sc_aclwr_busy = 1; |
| 1266 | |
| 1267 | MBUFQ_DEQUEUE(&sc->sc_aclwr_queue, m); |
| 1268 | KASSERT(m != NULL); |
| 1269 | |
| 1270 | DPRINTFN(15, "%s: xmit ACL packet (%d bytes)\n" , |
| 1271 | device_xname(sc->sc_dev), m->m_pkthdr.len); |
| 1272 | |
| 1273 | len = m->m_pkthdr.len - 1; |
| 1274 | if (len > UBT_BUFSIZ_ACL) { |
| 1275 | DPRINTF("%s: truncating ACL packet (%d => %d)!\n" , |
| 1276 | device_xname(sc->sc_dev), len, UBT_BUFSIZ_ACL); |
| 1277 | |
| 1278 | len = UBT_BUFSIZ_ACL; |
| 1279 | } |
| 1280 | |
| 1281 | m_copydata(m, 1, len, sc->sc_aclwr_buf); |
| 1282 | m_freem(m); |
| 1283 | |
| 1284 | sc->sc_stats.acl_tx++; |
| 1285 | sc->sc_stats.byte_tx += len; |
| 1286 | |
| 1287 | usbd_setup_xfer(sc->sc_aclwr_xfer, |
| 1288 | sc, |
| 1289 | sc->sc_aclwr_buf, |
| 1290 | len, |
| 1291 | USBD_FORCE_SHORT_XFER, |
| 1292 | UBT_ACL_TIMEOUT, |
| 1293 | ubt_xmit_acl_complete); |
| 1294 | |
| 1295 | status = usbd_transfer(sc->sc_aclwr_xfer); |
| 1296 | |
| 1297 | KASSERT(status != USBD_NORMAL_COMPLETION); |
| 1298 | |
| 1299 | if (status != USBD_IN_PROGRESS) { |
| 1300 | DPRINTF("usbd_transfer status=%s (%d)\n" , |
| 1301 | usbd_errstr(status), status); |
| 1302 | |
| 1303 | sc->sc_refcnt--; |
| 1304 | sc->sc_aclwr_busy = 0; |
| 1305 | } |
| 1306 | } |
| 1307 | |
| 1308 | static void |
| 1309 | ubt_xmit_acl_complete(struct usbd_xfer *xfer, |
| 1310 | void * h, usbd_status status) |
| 1311 | { |
| 1312 | struct ubt_softc *sc = h; |
| 1313 | |
| 1314 | DPRINTFN(15, "%s: ACL complete status=%s (%d)\n" , |
| 1315 | device_xname(sc->sc_dev), usbd_errstr(status), status); |
| 1316 | |
| 1317 | sc->sc_aclwr_busy = 0; |
| 1318 | |
| 1319 | if (--sc->sc_refcnt < 0) { |
| 1320 | usb_detach_wakeupold(sc->sc_dev); |
| 1321 | return; |
| 1322 | } |
| 1323 | |
| 1324 | if (sc->sc_dying) |
| 1325 | return; |
| 1326 | |
| 1327 | if (status != USBD_NORMAL_COMPLETION) { |
| 1328 | DPRINTF("status=%s (%d)\n" , |
| 1329 | usbd_errstr(status), status); |
| 1330 | |
| 1331 | sc->sc_stats.err_tx++; |
| 1332 | |
| 1333 | if (status == USBD_STALLED) |
| 1334 | usbd_clear_endpoint_stall_async(sc->sc_aclwr_pipe); |
| 1335 | else |
| 1336 | return; |
| 1337 | } |
| 1338 | |
| 1339 | ubt_xmit_acl_start(sc); |
| 1340 | } |
| 1341 | |
| 1342 | static void |
| 1343 | ubt_xmit_sco(device_t self, struct mbuf *m) |
| 1344 | { |
| 1345 | struct ubt_softc *sc = device_private(self); |
| 1346 | int s; |
| 1347 | |
| 1348 | KASSERT(sc->sc_enabled); |
| 1349 | |
| 1350 | s = splusb(); |
| 1351 | MBUFQ_ENQUEUE(&sc->sc_scowr_queue, m); |
| 1352 | |
| 1353 | if (sc->sc_scowr_busy == 0) |
| 1354 | ubt_xmit_sco_start(sc); |
| 1355 | |
| 1356 | splx(s); |
| 1357 | } |
| 1358 | |
| 1359 | static void |
| 1360 | ubt_xmit_sco_start(struct ubt_softc *sc) |
| 1361 | { |
| 1362 | int i; |
| 1363 | |
| 1364 | if (sc->sc_dying || sc->sc_scowr_size == 0) |
| 1365 | return; |
| 1366 | |
| 1367 | for (i = 0 ; i < UBT_NXFERS ; i++) { |
| 1368 | if (sc->sc_scowr[i].busy) |
| 1369 | continue; |
| 1370 | |
| 1371 | ubt_xmit_sco_start1(sc, &sc->sc_scowr[i]); |
| 1372 | } |
| 1373 | } |
| 1374 | |
| 1375 | static void |
| 1376 | ubt_xmit_sco_start1(struct ubt_softc *sc, struct ubt_isoc_xfer *isoc) |
| 1377 | { |
| 1378 | struct mbuf *m; |
| 1379 | uint8_t *buf; |
| 1380 | int num, len, size, space; |
| 1381 | |
| 1382 | space = sc->sc_scowr_size * UBT_NFRAMES; |
| 1383 | buf = isoc->buf; |
| 1384 | len = 0; |
| 1385 | |
| 1386 | /* |
| 1387 | * Fill the request buffer with data from the queue, |
| 1388 | * keeping any leftover packet on our private hook. |
| 1389 | * |
| 1390 | * Complete packets are passed back up to the stack |
| 1391 | * for disposal, since we can't rely on the controller |
| 1392 | * to tell us when it has finished with them. |
| 1393 | */ |
| 1394 | |
| 1395 | m = sc->sc_scowr_mbuf; |
| 1396 | while (space > 0) { |
| 1397 | if (m == NULL) { |
| 1398 | MBUFQ_DEQUEUE(&sc->sc_scowr_queue, m); |
| 1399 | if (m == NULL) |
| 1400 | break; |
| 1401 | |
| 1402 | m_adj(m, 1); /* packet type */ |
| 1403 | } |
| 1404 | |
| 1405 | if (m->m_pkthdr.len > 0) { |
| 1406 | size = MIN(m->m_pkthdr.len, space); |
| 1407 | |
| 1408 | m_copydata(m, 0, size, buf); |
| 1409 | m_adj(m, size); |
| 1410 | |
| 1411 | buf += size; |
| 1412 | len += size; |
| 1413 | space -= size; |
| 1414 | } |
| 1415 | |
| 1416 | if (m->m_pkthdr.len == 0) { |
| 1417 | sc->sc_stats.sco_tx++; |
| 1418 | if (!hci_complete_sco(sc->sc_unit, m)) |
| 1419 | sc->sc_stats.err_tx++; |
| 1420 | |
| 1421 | m = NULL; |
| 1422 | } |
| 1423 | } |
| 1424 | sc->sc_scowr_mbuf = m; |
| 1425 | |
| 1426 | DPRINTFN(15, "isoc=%p, len=%d, space=%d\n" , isoc, len, space); |
| 1427 | |
| 1428 | if (len == 0) /* nothing to send */ |
| 1429 | return; |
| 1430 | |
| 1431 | sc->sc_refcnt++; |
| 1432 | sc->sc_scowr_busy = 1; |
| 1433 | sc->sc_stats.byte_tx += len; |
| 1434 | isoc->busy = 1; |
| 1435 | |
| 1436 | /* |
| 1437 | * calculate number of isoc frames and sizes |
| 1438 | */ |
| 1439 | |
| 1440 | for (num = 0 ; len > 0 ; num++) { |
| 1441 | size = MIN(sc->sc_scowr_size, len); |
| 1442 | |
| 1443 | isoc->size[num] = size; |
| 1444 | len -= size; |
| 1445 | } |
| 1446 | |
| 1447 | usbd_setup_isoc_xfer(isoc->xfer, |
| 1448 | isoc, |
| 1449 | isoc->size, |
| 1450 | num, |
| 1451 | USBD_FORCE_SHORT_XFER, |
| 1452 | ubt_xmit_sco_complete); |
| 1453 | |
| 1454 | usbd_transfer(isoc->xfer); |
| 1455 | } |
| 1456 | |
| 1457 | static void |
| 1458 | ubt_xmit_sco_complete(struct usbd_xfer *xfer, |
| 1459 | void * h, usbd_status status) |
| 1460 | { |
| 1461 | struct ubt_isoc_xfer *isoc = h; |
| 1462 | struct ubt_softc *sc; |
| 1463 | int i; |
| 1464 | |
| 1465 | KASSERT(xfer == isoc->xfer); |
| 1466 | sc = isoc->softc; |
| 1467 | |
| 1468 | DPRINTFN(15, "isoc=%p, status=%s (%d)\n" , |
| 1469 | isoc, usbd_errstr(status), status); |
| 1470 | |
| 1471 | isoc->busy = 0; |
| 1472 | |
| 1473 | for (i = 0 ; ; i++) { |
| 1474 | if (i == UBT_NXFERS) { |
| 1475 | sc->sc_scowr_busy = 0; |
| 1476 | break; |
| 1477 | } |
| 1478 | |
| 1479 | if (sc->sc_scowr[i].busy) |
| 1480 | break; |
| 1481 | } |
| 1482 | |
| 1483 | if (--sc->sc_refcnt < 0) { |
| 1484 | usb_detach_wakeupold(sc->sc_dev); |
| 1485 | return; |
| 1486 | } |
| 1487 | |
| 1488 | if (sc->sc_dying) |
| 1489 | return; |
| 1490 | |
| 1491 | if (status != USBD_NORMAL_COMPLETION) { |
| 1492 | DPRINTF("status=%s (%d)\n" , |
| 1493 | usbd_errstr(status), status); |
| 1494 | |
| 1495 | sc->sc_stats.err_tx++; |
| 1496 | |
| 1497 | if (status == USBD_STALLED) |
| 1498 | usbd_clear_endpoint_stall_async(sc->sc_scowr_pipe); |
| 1499 | else |
| 1500 | return; |
| 1501 | } |
| 1502 | |
| 1503 | ubt_xmit_sco_start(sc); |
| 1504 | } |
| 1505 | |
| 1506 | /* |
| 1507 | * load incoming data into an mbuf with |
| 1508 | * leading type byte |
| 1509 | */ |
| 1510 | static struct mbuf * |
| 1511 | ubt_mbufload(uint8_t *buf, int count, uint8_t type) |
| 1512 | { |
| 1513 | struct mbuf *m; |
| 1514 | |
| 1515 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
| 1516 | if (m == NULL) |
| 1517 | return NULL; |
| 1518 | |
| 1519 | *mtod(m, uint8_t *) = type; |
| 1520 | m->m_pkthdr.len = m->m_len = MHLEN; |
| 1521 | m_copyback(m, 1, count, buf); // (extends if necessary) |
| 1522 | if (m->m_pkthdr.len != MAX(MHLEN, count + 1)) { |
| 1523 | m_free(m); |
| 1524 | return NULL; |
| 1525 | } |
| 1526 | |
| 1527 | m->m_pkthdr.len = count + 1; |
| 1528 | m->m_len = MIN(MHLEN, m->m_pkthdr.len); |
| 1529 | |
| 1530 | return m; |
| 1531 | } |
| 1532 | |
| 1533 | static void |
| 1534 | ubt_recv_event(struct usbd_xfer *xfer, void * h, usbd_status status) |
| 1535 | { |
| 1536 | struct ubt_softc *sc = h; |
| 1537 | struct mbuf *m; |
| 1538 | uint32_t count; |
| 1539 | void *buf; |
| 1540 | |
| 1541 | DPRINTFN(15, "sc=%p status=%s (%d)\n" , |
| 1542 | sc, usbd_errstr(status), status); |
| 1543 | |
| 1544 | if (status != USBD_NORMAL_COMPLETION || sc->sc_dying) |
| 1545 | return; |
| 1546 | |
| 1547 | usbd_get_xfer_status(xfer, NULL, &buf, &count, NULL); |
| 1548 | |
| 1549 | if (count < sizeof(hci_event_hdr_t) - 1) { |
| 1550 | DPRINTF("dumped undersized event (count = %d)\n" , count); |
| 1551 | sc->sc_stats.err_rx++; |
| 1552 | return; |
| 1553 | } |
| 1554 | |
| 1555 | sc->sc_stats.evt_rx++; |
| 1556 | sc->sc_stats.byte_rx += count; |
| 1557 | |
| 1558 | m = ubt_mbufload(buf, count, HCI_EVENT_PKT); |
| 1559 | if (m == NULL || !hci_input_event(sc->sc_unit, m)) |
| 1560 | sc->sc_stats.err_rx++; |
| 1561 | } |
| 1562 | |
| 1563 | static void |
| 1564 | ubt_recv_acl_start(struct ubt_softc *sc) |
| 1565 | { |
| 1566 | usbd_status status; |
| 1567 | |
| 1568 | DPRINTFN(15, "sc=%p\n" , sc); |
| 1569 | |
| 1570 | if (sc->sc_aclrd_busy || sc->sc_dying) { |
| 1571 | DPRINTF("sc_aclrd_busy=%d, sc_dying=%d\n" , |
| 1572 | sc->sc_aclrd_busy, |
| 1573 | sc->sc_dying); |
| 1574 | |
| 1575 | return; |
| 1576 | } |
| 1577 | |
| 1578 | sc->sc_refcnt++; |
| 1579 | sc->sc_aclrd_busy = 1; |
| 1580 | |
| 1581 | usbd_setup_xfer(sc->sc_aclrd_xfer, |
| 1582 | sc, |
| 1583 | sc->sc_aclrd_buf, |
| 1584 | UBT_BUFSIZ_ACL, |
| 1585 | USBD_SHORT_XFER_OK, |
| 1586 | USBD_NO_TIMEOUT, |
| 1587 | ubt_recv_acl_complete); |
| 1588 | |
| 1589 | status = usbd_transfer(sc->sc_aclrd_xfer); |
| 1590 | |
| 1591 | KASSERT(status != USBD_NORMAL_COMPLETION); |
| 1592 | |
| 1593 | if (status != USBD_IN_PROGRESS) { |
| 1594 | DPRINTF("usbd_transfer status=%s (%d)\n" , |
| 1595 | usbd_errstr(status), status); |
| 1596 | |
| 1597 | sc->sc_refcnt--; |
| 1598 | sc->sc_aclrd_busy = 0; |
| 1599 | } |
| 1600 | } |
| 1601 | |
| 1602 | static void |
| 1603 | ubt_recv_acl_complete(struct usbd_xfer *xfer, |
| 1604 | void * h, usbd_status status) |
| 1605 | { |
| 1606 | struct ubt_softc *sc = h; |
| 1607 | struct mbuf *m; |
| 1608 | uint32_t count; |
| 1609 | void *buf; |
| 1610 | |
| 1611 | DPRINTFN(15, "sc=%p status=%s (%d)\n" , |
| 1612 | sc, usbd_errstr(status), status); |
| 1613 | |
| 1614 | sc->sc_aclrd_busy = 0; |
| 1615 | |
| 1616 | if (--sc->sc_refcnt < 0) { |
| 1617 | DPRINTF("refcnt = %d\n" , sc->sc_refcnt); |
| 1618 | usb_detach_wakeupold(sc->sc_dev); |
| 1619 | return; |
| 1620 | } |
| 1621 | |
| 1622 | if (sc->sc_dying) { |
| 1623 | DPRINTF("sc_dying\n" ); |
| 1624 | return; |
| 1625 | } |
| 1626 | |
| 1627 | if (status != USBD_NORMAL_COMPLETION) { |
| 1628 | DPRINTF("status=%s (%d)\n" , |
| 1629 | usbd_errstr(status), status); |
| 1630 | |
| 1631 | sc->sc_stats.err_rx++; |
| 1632 | |
| 1633 | if (status == USBD_STALLED) |
| 1634 | usbd_clear_endpoint_stall_async(sc->sc_aclrd_pipe); |
| 1635 | else |
| 1636 | return; |
| 1637 | } else { |
| 1638 | usbd_get_xfer_status(xfer, NULL, &buf, &count, NULL); |
| 1639 | |
| 1640 | if (count < sizeof(hci_acldata_hdr_t) - 1) { |
| 1641 | DPRINTF("dumped undersized packet (%d)\n" , count); |
| 1642 | sc->sc_stats.err_rx++; |
| 1643 | } else { |
| 1644 | sc->sc_stats.acl_rx++; |
| 1645 | sc->sc_stats.byte_rx += count; |
| 1646 | |
| 1647 | m = ubt_mbufload(buf, count, HCI_ACL_DATA_PKT); |
| 1648 | if (m == NULL || !hci_input_acl(sc->sc_unit, m)) |
| 1649 | sc->sc_stats.err_rx++; |
| 1650 | } |
| 1651 | } |
| 1652 | |
| 1653 | /* and restart */ |
| 1654 | ubt_recv_acl_start(sc); |
| 1655 | } |
| 1656 | |
| 1657 | static void |
| 1658 | ubt_recv_sco_start1(struct ubt_softc *sc, struct ubt_isoc_xfer *isoc) |
| 1659 | { |
| 1660 | int i; |
| 1661 | |
| 1662 | DPRINTFN(15, "sc=%p, isoc=%p\n" , sc, isoc); |
| 1663 | |
| 1664 | if (isoc->busy || sc->sc_dying || sc->sc_scord_size == 0) { |
| 1665 | DPRINTF("%s%s%s\n" , |
| 1666 | isoc->busy ? " busy" : "" , |
| 1667 | sc->sc_dying ? " dying" : "" , |
| 1668 | sc->sc_scord_size == 0 ? " size=0" : "" ); |
| 1669 | |
| 1670 | return; |
| 1671 | } |
| 1672 | |
| 1673 | sc->sc_refcnt++; |
| 1674 | isoc->busy = 1; |
| 1675 | |
| 1676 | for (i = 0 ; i < UBT_NFRAMES ; i++) |
| 1677 | isoc->size[i] = sc->sc_scord_size; |
| 1678 | |
| 1679 | usbd_setup_isoc_xfer(isoc->xfer, |
| 1680 | isoc, |
| 1681 | isoc->size, |
| 1682 | UBT_NFRAMES, |
| 1683 | USBD_SHORT_XFER_OK, |
| 1684 | ubt_recv_sco_complete); |
| 1685 | |
| 1686 | usbd_transfer(isoc->xfer); |
| 1687 | } |
| 1688 | |
| 1689 | static void |
| 1690 | ubt_recv_sco_complete(struct usbd_xfer *xfer, |
| 1691 | void * h, usbd_status status) |
| 1692 | { |
| 1693 | struct ubt_isoc_xfer *isoc = h; |
| 1694 | struct ubt_softc *sc; |
| 1695 | struct mbuf *m; |
| 1696 | uint32_t count; |
| 1697 | uint8_t *ptr, *frame; |
| 1698 | int i, size, got, want; |
| 1699 | |
| 1700 | KASSERT(isoc != NULL); |
| 1701 | KASSERT(isoc->xfer == xfer); |
| 1702 | |
| 1703 | sc = isoc->softc; |
| 1704 | isoc->busy = 0; |
| 1705 | |
| 1706 | if (--sc->sc_refcnt < 0) { |
| 1707 | DPRINTF("refcnt=%d\n" , sc->sc_refcnt); |
| 1708 | usb_detach_wakeupold(sc->sc_dev); |
| 1709 | return; |
| 1710 | } |
| 1711 | |
| 1712 | if (sc->sc_dying) { |
| 1713 | DPRINTF("sc_dying\n" ); |
| 1714 | return; |
| 1715 | } |
| 1716 | |
| 1717 | if (status != USBD_NORMAL_COMPLETION) { |
| 1718 | DPRINTF("status=%s (%d)\n" , |
| 1719 | usbd_errstr(status), status); |
| 1720 | |
| 1721 | sc->sc_stats.err_rx++; |
| 1722 | |
| 1723 | if (status == USBD_STALLED) { |
| 1724 | usbd_clear_endpoint_stall_async(sc->sc_scord_pipe); |
| 1725 | goto restart; |
| 1726 | } |
| 1727 | |
| 1728 | return; |
| 1729 | } |
| 1730 | |
| 1731 | usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); |
| 1732 | if (count == 0) |
| 1733 | goto restart; |
| 1734 | |
| 1735 | DPRINTFN(15, "sc=%p, isoc=%p, count=%u\n" , |
| 1736 | sc, isoc, count); |
| 1737 | |
| 1738 | sc->sc_stats.byte_rx += count; |
| 1739 | |
| 1740 | /* |
| 1741 | * Extract SCO packets from ISOC frames. The way we have it, |
| 1742 | * no SCO packet can be bigger than MHLEN. This is unlikely |
| 1743 | * to actually happen, but if we ran out of mbufs and lost |
| 1744 | * sync then we may get spurious data that makes it seem that |
| 1745 | * way, so we discard data that wont fit. This doesnt really |
| 1746 | * help with the lost sync situation alas. |
| 1747 | */ |
| 1748 | |
| 1749 | m = sc->sc_scord_mbuf; |
| 1750 | if (m != NULL) { |
| 1751 | sc->sc_scord_mbuf = NULL; |
| 1752 | ptr = mtod(m, uint8_t *) + m->m_pkthdr.len; |
| 1753 | got = m->m_pkthdr.len; |
| 1754 | want = sizeof(hci_scodata_hdr_t); |
| 1755 | if (got >= want) |
| 1756 | want += mtod(m, hci_scodata_hdr_t *)->length ; |
| 1757 | } else { |
| 1758 | ptr = NULL; |
| 1759 | got = 0; |
| 1760 | want = 0; |
| 1761 | } |
| 1762 | |
| 1763 | for (i = 0 ; i < UBT_NFRAMES ; i++) { |
| 1764 | frame = isoc->buf + (i * sc->sc_scord_size); |
| 1765 | |
| 1766 | while (isoc->size[i] > 0) { |
| 1767 | size = isoc->size[i]; |
| 1768 | |
| 1769 | if (m == NULL) { |
| 1770 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
| 1771 | if (m == NULL) { |
| 1772 | aprint_error_dev(sc->sc_dev, |
| 1773 | "out of memory (xfer halted)\n" ); |
| 1774 | |
| 1775 | sc->sc_stats.err_rx++; |
| 1776 | return; /* lost sync */ |
| 1777 | } |
| 1778 | |
| 1779 | ptr = mtod(m, uint8_t *); |
| 1780 | *ptr++ = HCI_SCO_DATA_PKT; |
| 1781 | got = 1; |
| 1782 | want = sizeof(hci_scodata_hdr_t); |
| 1783 | } |
| 1784 | |
| 1785 | if (got + size > want) |
| 1786 | size = want - got; |
| 1787 | |
| 1788 | memcpy(ptr, frame, size); |
| 1789 | |
| 1790 | ptr += size; |
| 1791 | got += size; |
| 1792 | frame += size; |
| 1793 | |
| 1794 | if (got == want) { |
| 1795 | /* |
| 1796 | * If we only got a header, add the packet |
| 1797 | * length to our want count. Send complete |
| 1798 | * packets up to protocol stack. |
| 1799 | */ |
| 1800 | if (want == sizeof(hci_scodata_hdr_t)) { |
| 1801 | uint32_t len = |
| 1802 | mtod(m, hci_scodata_hdr_t *)->length; |
| 1803 | want += len; |
| 1804 | if (len == 0 || want > MHLEN) { |
| 1805 | aprint_error_dev(sc->sc_dev, |
| 1806 | "packet too large %u " |
| 1807 | "(lost sync)\n" , len); |
| 1808 | sc->sc_stats.err_rx++; |
| 1809 | return; |
| 1810 | } |
| 1811 | } |
| 1812 | |
| 1813 | if (got == want) { |
| 1814 | m->m_pkthdr.len = m->m_len = got; |
| 1815 | sc->sc_stats.sco_rx++; |
| 1816 | if (!hci_input_sco(sc->sc_unit, m)) |
| 1817 | sc->sc_stats.err_rx++; |
| 1818 | |
| 1819 | m = NULL; |
| 1820 | } |
| 1821 | } |
| 1822 | |
| 1823 | isoc->size[i] -= size; |
| 1824 | } |
| 1825 | } |
| 1826 | |
| 1827 | if (m != NULL) { |
| 1828 | m->m_pkthdr.len = m->m_len = got; |
| 1829 | sc->sc_scord_mbuf = m; |
| 1830 | } |
| 1831 | |
| 1832 | restart: /* and restart */ |
| 1833 | ubt_recv_sco_start1(sc, isoc); |
| 1834 | } |
| 1835 | |
| 1836 | void |
| 1837 | ubt_stats(device_t self, struct bt_stats *dest, int flush) |
| 1838 | { |
| 1839 | struct ubt_softc *sc = device_private(self); |
| 1840 | int s; |
| 1841 | |
| 1842 | s = splusb(); |
| 1843 | memcpy(dest, &sc->sc_stats, sizeof(struct bt_stats)); |
| 1844 | |
| 1845 | if (flush) |
| 1846 | memset(&sc->sc_stats, 0, sizeof(struct bt_stats)); |
| 1847 | |
| 1848 | splx(s); |
| 1849 | } |
| 1850 | |