1 /* $OpenBSD: ubsa.c,v 1.53 2011/07/03 15:47:17 matthew Exp $ */ 2 /* $NetBSD: ubsa.c,v 1.5 2002/11/25 00:51:33 fvdl Exp $ */ 3 /*- 4 * Copyright (c) 2002, Alexander Kabaev <kan.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 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 /* 29 * Copyright (c) 2001 The NetBSD Foundation, Inc. 30 * All rights reserved. 31 * 32 * This code is derived from software contributed to The NetBSD Foundation 33 * by Ichiro FUKUHARA (ichiro@ichiro.org). 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 44 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 45 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 46 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 47 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 48 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 49 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 50 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 51 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 52 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 53 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 54 * POSSIBILITY OF SUCH DAMAGE. 55 */ 56 57 #include <sys/cdefs.h> 58 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/kernel.h> 62 #include <sys/malloc.h> 63 #include <sys/device.h> 64 #include <sys/ioccom.h> 65 #include <sys/fcntl.h> 66 #include <sys/conf.h> 67 #include <sys/tty.h> 68 #include <sys/file.h> 69 #include <sys/selinfo.h> 70 #include <sys/proc.h> 71 #include <sys/vnode.h> 72 #include <sys/poll.h> 73 74 #include <dev/usb/usb.h> 75 #include <dev/usb/usbcdc.h> 76 77 #include <dev/usb/usbdi.h> 78 #include <dev/usb/usbdi_util.h> 79 #include <dev/usb/usbdevs.h> 80 #include <dev/usb/usb_quirks.h> 81 82 #include <dev/usb/ucomvar.h> 83 84 #ifdef USB_DEBUG 85 #define UBSA_DEBUG 86 #endif 87 88 #ifdef UBSA_DEBUG 89 int ubsadebug = 0; 90 91 #define DPRINTFN(n, x) do { if (ubsadebug > (n)) printf x; } while (0) 92 #else 93 #define DPRINTFN(n, x) 94 #endif 95 #define DPRINTF(x) DPRINTFN(0, x) 96 97 #define UBSA_MODVER 1 /* module version */ 98 99 #define UBSA_CONFIG_INDEX 1 100 #define UBSA_IFACE_INDEX 0 101 102 #define UBSA_INTR_INTERVAL 100 /* ms */ 103 104 #define UBSA_SET_BAUDRATE 0x00 105 #define UBSA_SET_STOP_BITS 0x01 106 #define UBSA_SET_DATA_BITS 0x02 107 #define UBSA_SET_PARITY 0x03 108 #define UBSA_SET_DTR 0x0A 109 #define UBSA_SET_RTS 0x0B 110 #define UBSA_SET_BREAK 0x0C 111 #define UBSA_SET_FLOW_CTRL 0x10 112 113 #define UBSA_PARITY_NONE 0x00 114 #define UBSA_PARITY_EVEN 0x01 115 #define UBSA_PARITY_ODD 0x02 116 #define UBSA_PARITY_MARK 0x03 117 #define UBSA_PARITY_SPACE 0x04 118 119 #define UBSA_FLOW_NONE 0x0000 120 #define UBSA_FLOW_OCTS 0x0001 121 #define UBSA_FLOW_ODSR 0x0002 122 #define UBSA_FLOW_IDSR 0x0004 123 #define UBSA_FLOW_IDTR 0x0008 124 #define UBSA_FLOW_IRTS 0x0010 125 #define UBSA_FLOW_ORTS 0x0020 126 #define UBSA_FLOW_UNKNOWN 0x0040 127 #define UBSA_FLOW_OXON 0x0080 128 #define UBSA_FLOW_IXON 0x0100 129 130 /* line status register */ 131 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 132 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 133 #define UBSA_LSR_BI 0x10 /* Break detected */ 134 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 135 #define UBSA_LSR_PE 0x04 /* Parity error */ 136 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 137 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 138 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 139 140 /* modem status register */ 141 /* All deltas are from the last read of the MSR. */ 142 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 143 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 144 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 145 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 146 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 147 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 148 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 149 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 150 151 struct ubsa_softc { 152 struct device sc_dev; /* base device */ 153 usbd_device_handle sc_udev; /* USB device */ 154 usbd_interface_handle sc_iface; /* interface */ 155 156 int sc_iface_number; /* interface number */ 157 158 int sc_intr_number; /* interrupt number */ 159 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 160 u_char *sc_intr_buf; /* interrupt buffer */ 161 int sc_isize; 162 163 u_char sc_dtr; /* current DTR state */ 164 u_char sc_rts; /* current RTS state */ 165 166 u_char sc_lsr; /* Local status register */ 167 u_char sc_msr; /* ubsa status register */ 168 169 struct device *sc_subdev; /* ucom device */ 170 171 u_char sc_dying; /* disconnecting */ 172 173 }; 174 175 void ubsa_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 176 177 void ubsa_get_status(void *, int, u_char *, u_char *); 178 void ubsa_set(void *, int, int, int); 179 int ubsa_param(void *, int, struct termios *); 180 int ubsa_open(void *, int); 181 void ubsa_close(void *, int); 182 183 void ubsa_break(struct ubsa_softc *sc, int onoff); 184 int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 185 void ubsa_dtr(struct ubsa_softc *, int); 186 void ubsa_rts(struct ubsa_softc *, int); 187 void ubsa_baudrate(struct ubsa_softc *, speed_t); 188 void ubsa_parity(struct ubsa_softc *, tcflag_t); 189 void ubsa_databits(struct ubsa_softc *, tcflag_t); 190 void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 191 void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 192 193 struct ucom_methods ubsa_methods = { 194 ubsa_get_status, 195 ubsa_set, 196 ubsa_param, 197 NULL, 198 ubsa_open, 199 ubsa_close, 200 NULL, 201 NULL 202 }; 203 204 const struct usb_devno ubsa_devs[] = { 205 /* Axesstel MV100H */ 206 { USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM }, 207 /* BELKIN F5U103 */ 208 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 209 /* BELKIN F5U120 */ 210 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 211 /* GoHubs GO-COM232 , Belkin F5U003 */ 212 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 213 /* GoHubs GO-COM232 */ 214 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 215 /* Peracom */ 216 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 217 /* ZTE Inc. CMDMA MSM modem */ 218 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_CDMA_MSM }, 219 /* ZTE Inc. AC8700 */ 220 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_AC8700 }, 221 }; 222 223 int ubsa_match(struct device *, void *, void *); 224 void ubsa_attach(struct device *, struct device *, void *); 225 int ubsa_detach(struct device *, int); 226 int ubsa_activate(struct device *, int); 227 228 struct cfdriver ubsa_cd = { 229 NULL, "ubsa", DV_DULL 230 }; 231 232 const struct cfattach ubsa_ca = { 233 sizeof(struct ubsa_softc), 234 ubsa_match, 235 ubsa_attach, 236 ubsa_detach, 237 ubsa_activate, 238 }; 239 240 int 241 ubsa_match(struct device *parent, void *match, void *aux) 242 { 243 struct usb_attach_arg *uaa = aux; 244 245 if (uaa->iface != NULL) 246 return (UMATCH_NONE); 247 248 return (usb_lookup(ubsa_devs, uaa->vendor, uaa->product) != NULL ? 249 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 250 } 251 252 void 253 ubsa_attach(struct device *parent, struct device *self, void *aux) 254 { 255 struct ubsa_softc *sc = (struct ubsa_softc *)self; 256 struct usb_attach_arg *uaa = aux; 257 usbd_device_handle dev = uaa->device; 258 usb_config_descriptor_t *cdesc; 259 usb_interface_descriptor_t *id; 260 usb_endpoint_descriptor_t *ed; 261 const char *devname = sc->sc_dev.dv_xname; 262 usbd_status err; 263 struct ucom_attach_args uca; 264 int i; 265 266 sc->sc_udev = dev; 267 268 /* 269 * initialize rts, dtr variables to something 270 * different from boolean 0, 1 271 */ 272 sc->sc_dtr = -1; 273 sc->sc_rts = -1; 274 275 DPRINTF(("ubsa attach: sc = %p\n", sc)); 276 277 /* initialize endpoints */ 278 uca.bulkin = uca.bulkout = -1; 279 sc->sc_intr_number = -1; 280 sc->sc_intr_pipe = NULL; 281 282 /* Move the device into the configured state. */ 283 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 284 if (err) { 285 printf("%s: failed to set configuration: %s\n", 286 devname, usbd_errstr(err)); 287 sc->sc_dying = 1; 288 goto error; 289 } 290 291 /* get the config descriptor */ 292 cdesc = usbd_get_config_descriptor(sc->sc_udev); 293 294 if (cdesc == NULL) { 295 printf("%s: failed to get configuration descriptor\n", 296 devname); 297 sc->sc_dying = 1; 298 goto error; 299 } 300 301 /* get the first interface */ 302 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 303 &sc->sc_iface); 304 if (err) { 305 printf("%s: failed to get interface: %s\n", 306 devname, usbd_errstr(err)); 307 sc->sc_dying = 1; 308 goto error; 309 } 310 311 /* Find the endpoints */ 312 313 id = usbd_get_interface_descriptor(sc->sc_iface); 314 sc->sc_iface_number = id->bInterfaceNumber; 315 316 for (i = 0; i < id->bNumEndpoints; i++) { 317 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 318 if (ed == NULL) { 319 printf("%s: no endpoint descriptor for %d\n", 320 sc->sc_dev.dv_xname, i); 321 sc->sc_dying = 1; 322 goto error; 323 } 324 325 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 326 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 327 sc->sc_intr_number = ed->bEndpointAddress; 328 sc->sc_isize = UGETW(ed->wMaxPacketSize); 329 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 330 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 331 uca.bulkin = ed->bEndpointAddress; 332 uca.ibufsize = UGETW(ed->wMaxPacketSize); 333 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 334 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 335 uca.bulkout = ed->bEndpointAddress; 336 uca.obufsize = UGETW(ed->wMaxPacketSize); 337 } 338 } 339 340 if (sc->sc_intr_number == -1) { 341 printf("%s: Could not find interrupt in\n", devname); 342 sc->sc_dying = 1; 343 goto error; 344 } 345 346 if (uca.bulkin == -1) { 347 printf("%s: Could not find data bulk in\n", devname); 348 sc->sc_dying = 1; 349 goto error; 350 } 351 352 if (uca.bulkout == -1) { 353 printf("%s: Could not find data bulk out\n", devname); 354 sc->sc_dying = 1; 355 goto error; 356 } 357 358 uca.portno = UCOM_UNK_PORTNO; 359 /* bulkin, bulkout set above */ 360 uca.ibufsizepad = uca.ibufsize; 361 uca.opkthdrlen = 0; 362 uca.device = dev; 363 uca.iface = sc->sc_iface; 364 uca.methods = &ubsa_methods; 365 uca.arg = sc; 366 uca.info = NULL; 367 368 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 369 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 370 371 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 372 373 error: 374 return; 375 } 376 377 int 378 ubsa_detach(struct device *self, int flags) 379 { 380 struct ubsa_softc *sc = (struct ubsa_softc *)self; 381 int rv = 0; 382 383 384 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 385 386 if (sc->sc_intr_pipe != NULL) { 387 usbd_abort_pipe(sc->sc_intr_pipe); 388 usbd_close_pipe(sc->sc_intr_pipe); 389 free(sc->sc_intr_buf, M_USBDEV); 390 sc->sc_intr_pipe = NULL; 391 } 392 393 if (sc->sc_subdev != NULL) { 394 rv = config_detach(sc->sc_subdev, flags); 395 sc->sc_subdev = NULL; 396 } 397 398 return (rv); 399 } 400 401 int 402 ubsa_activate(struct device *self, int act) 403 { 404 struct ubsa_softc *sc = (struct ubsa_softc *)self; 405 int rv = 0; 406 407 switch (act) { 408 case DVACT_DEACTIVATE: 409 if (sc->sc_subdev != NULL) 410 rv = config_deactivate(sc->sc_subdev); 411 sc->sc_dying = 1; 412 break; 413 } 414 return (rv); 415 } 416 417 int 418 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 419 { 420 usb_device_request_t req; 421 usbd_status err; 422 423 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 424 req.bRequest = request; 425 USETW(req.wValue, value); 426 USETW(req.wIndex, sc->sc_iface_number); 427 USETW(req.wLength, 0); 428 429 err = usbd_do_request(sc->sc_udev, &req, 0); 430 if (err && err != USBD_STALLED) 431 printf("%s: ubsa_request: %s\n", 432 sc->sc_dev.dv_xname, usbd_errstr(err)); 433 return (err); 434 } 435 436 void 437 ubsa_dtr(struct ubsa_softc *sc, int onoff) 438 { 439 440 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 441 442 if (sc->sc_dtr == onoff) 443 return; 444 sc->sc_dtr = onoff; 445 446 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 447 } 448 449 void 450 ubsa_rts(struct ubsa_softc *sc, int onoff) 451 { 452 453 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 454 455 if (sc->sc_rts == onoff) 456 return; 457 sc->sc_rts = onoff; 458 459 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 460 } 461 462 void 463 ubsa_break(struct ubsa_softc *sc, int onoff) 464 { 465 466 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 467 468 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 469 } 470 471 void 472 ubsa_set(void *addr, int portno, int reg, int onoff) 473 { 474 struct ubsa_softc *sc; 475 476 sc = addr; 477 switch (reg) { 478 case UCOM_SET_DTR: 479 ubsa_dtr(sc, onoff); 480 break; 481 case UCOM_SET_RTS: 482 ubsa_rts(sc, onoff); 483 break; 484 case UCOM_SET_BREAK: 485 ubsa_break(sc, onoff); 486 break; 487 default: 488 break; 489 } 490 } 491 492 void 493 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 494 { 495 u_int16_t value = 0; 496 497 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 498 499 switch(speed) { 500 case B0: 501 break; 502 case B300: 503 case B600: 504 case B1200: 505 case B2400: 506 case B4800: 507 case B9600: 508 case B19200: 509 case B38400: 510 case B57600: 511 case B115200: 512 case B230400: 513 value = B230400 / speed; 514 break; 515 default: 516 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 517 "forcing default of 9600\n", 518 sc->sc_dev.dv_xname)); 519 value = B230400 / B9600; 520 break; 521 }; 522 523 if (speed == B0) { 524 ubsa_flow(sc, 0, 0); 525 ubsa_dtr(sc, 0); 526 ubsa_rts(sc, 0); 527 } else 528 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 529 } 530 531 void 532 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 533 { 534 int value; 535 536 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 537 538 if (cflag & PARENB) 539 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 540 else 541 value = UBSA_PARITY_NONE; 542 543 ubsa_request(sc, UBSA_SET_PARITY, value); 544 } 545 546 void 547 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 548 { 549 int value; 550 551 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 552 553 switch (cflag & CSIZE) { 554 case CS5: value = 0; break; 555 case CS6: value = 1; break; 556 case CS7: value = 2; break; 557 case CS8: value = 3; break; 558 default: 559 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 560 "forcing default of 8\n", 561 sc->sc_dev.dv_xname)); 562 value = 3; 563 } 564 565 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 566 } 567 568 void 569 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 570 { 571 int value; 572 573 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 574 575 value = (cflag & CSTOPB) ? 1 : 0; 576 577 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 578 } 579 580 void 581 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 582 { 583 int value; 584 585 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 586 587 value = 0; 588 if (cflag & CRTSCTS) 589 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 590 if (iflag & (IXON|IXOFF)) 591 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 592 593 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 594 } 595 596 int 597 ubsa_param(void *addr, int portno, struct termios *ti) 598 { 599 struct ubsa_softc *sc = addr; 600 601 DPRINTF(("ubsa_param: sc = %p\n", sc)); 602 603 ubsa_baudrate(sc, ti->c_ospeed); 604 ubsa_parity(sc, ti->c_cflag); 605 ubsa_databits(sc, ti->c_cflag); 606 ubsa_stopbits(sc, ti->c_cflag); 607 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 608 609 return (0); 610 } 611 612 int 613 ubsa_open(void *addr, int portno) 614 { 615 struct ubsa_softc *sc = addr; 616 int err; 617 618 if (sc->sc_dying) 619 return (ENXIO); 620 621 DPRINTF(("ubsa_open: sc = %p\n", sc)); 622 623 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 624 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 625 err = usbd_open_pipe_intr(sc->sc_iface, 626 sc->sc_intr_number, 627 USBD_SHORT_XFER_OK, 628 &sc->sc_intr_pipe, 629 sc, 630 sc->sc_intr_buf, 631 sc->sc_isize, 632 ubsa_intr, 633 UBSA_INTR_INTERVAL); 634 if (err) { 635 printf("%s: cannot open interrupt pipe (addr %d)\n", 636 sc->sc_dev.dv_xname, 637 sc->sc_intr_number); 638 return (EIO); 639 } 640 } 641 642 return (0); 643 } 644 645 void 646 ubsa_close(void *addr, int portno) 647 { 648 struct ubsa_softc *sc = addr; 649 int err; 650 651 if (sc->sc_dying) 652 return; 653 654 DPRINTF(("ubsa_close: close\n")); 655 656 if (sc->sc_intr_pipe != NULL) { 657 err = usbd_abort_pipe(sc->sc_intr_pipe); 658 if (err) 659 printf("%s: abort interrupt pipe failed: %s\n", 660 sc->sc_dev.dv_xname, 661 usbd_errstr(err)); 662 err = usbd_close_pipe(sc->sc_intr_pipe); 663 if (err) 664 printf("%s: close interrupt pipe failed: %s\n", 665 sc->sc_dev.dv_xname, 666 usbd_errstr(err)); 667 free(sc->sc_intr_buf, M_USBDEV); 668 sc->sc_intr_pipe = NULL; 669 } 670 } 671 672 void 673 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 674 { 675 struct ubsa_softc *sc = priv; 676 u_char *buf; 677 usb_cdc_notification_t *cdcbuf; 678 679 buf = sc->sc_intr_buf; 680 cdcbuf = (usb_cdc_notification_t *)sc->sc_intr_buf; 681 if (sc->sc_dying) 682 return; 683 684 if (status != USBD_NORMAL_COMPLETION) { 685 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 686 return; 687 688 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 689 sc->sc_dev.dv_xname, usbd_errstr(status))); 690 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 691 return; 692 } 693 694 #if 1 /* test */ 695 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 696 printf("%s: this device is using CDC notify message in" 697 " intr pipe.\n" 698 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 699 sc->sc_dev.dv_xname); 700 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 701 sc->sc_dev.dv_xname, 702 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 703 704 /* check the buffer data */ 705 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 706 printf("%s:notify serial state, len=%d, data=0x%02x\n", 707 sc->sc_dev.dv_xname, 708 UGETW(cdcbuf->wLength), cdcbuf->data[0]); 709 } 710 #endif 711 712 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 713 sc->sc_lsr = buf[2]; 714 sc->sc_msr = buf[3]; 715 716 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 717 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 718 719 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 720 } 721 722 void 723 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 724 { 725 struct ubsa_softc *sc = addr; 726 727 DPRINTF(("ubsa_get_status\n")); 728 729 if (lsr != NULL) 730 *lsr = sc->sc_lsr; 731 if (msr != NULL) 732 *msr = sc->sc_msr; 733 } 734