1 /* $OpenBSD: ubsa.c,v 1.65 2017/04/08 02:57:25 deraadt 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/param.h> 58 #include <sys/systm.h> 59 #include <sys/kernel.h> 60 #include <sys/malloc.h> 61 #include <sys/device.h> 62 #include <sys/ioccom.h> 63 #include <sys/fcntl.h> 64 #include <sys/conf.h> 65 #include <sys/tty.h> 66 #include <sys/file.h> 67 #include <sys/selinfo.h> 68 #include <sys/poll.h> 69 70 #include <dev/usb/usb.h> 71 #include <dev/usb/usbcdc.h> 72 73 #include <dev/usb/usbdi.h> 74 #include <dev/usb/usbdi_util.h> 75 #include <dev/usb/usbdevs.h> 76 77 #include <dev/usb/ucomvar.h> 78 79 #ifdef UBSA_DEBUG 80 int ubsadebug = 0; 81 82 #define DPRINTFN(n, x) do { if (ubsadebug > (n)) printf x; } while (0) 83 #else 84 #define DPRINTFN(n, x) 85 #endif 86 #define DPRINTF(x) DPRINTFN(0, x) 87 88 #define UBSA_MODVER 1 /* module version */ 89 90 #define UBSA_CONFIG_INDEX 1 91 #define UBSA_IFACE_INDEX 0 92 93 #define UBSA_INTR_INTERVAL 100 /* ms */ 94 95 #define UBSA_SET_BAUDRATE 0x00 96 #define UBSA_SET_STOP_BITS 0x01 97 #define UBSA_SET_DATA_BITS 0x02 98 #define UBSA_SET_PARITY 0x03 99 #define UBSA_SET_DTR 0x0A 100 #define UBSA_SET_RTS 0x0B 101 #define UBSA_SET_BREAK 0x0C 102 #define UBSA_SET_FLOW_CTRL 0x10 103 104 #define UBSA_PARITY_NONE 0x00 105 #define UBSA_PARITY_EVEN 0x01 106 #define UBSA_PARITY_ODD 0x02 107 #define UBSA_PARITY_MARK 0x03 108 #define UBSA_PARITY_SPACE 0x04 109 110 #define UBSA_FLOW_NONE 0x0000 111 #define UBSA_FLOW_OCTS 0x0001 112 #define UBSA_FLOW_ODSR 0x0002 113 #define UBSA_FLOW_IDSR 0x0004 114 #define UBSA_FLOW_IDTR 0x0008 115 #define UBSA_FLOW_IRTS 0x0010 116 #define UBSA_FLOW_ORTS 0x0020 117 #define UBSA_FLOW_UNKNOWN 0x0040 118 #define UBSA_FLOW_OXON 0x0080 119 #define UBSA_FLOW_IXON 0x0100 120 121 /* line status register */ 122 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 123 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 124 #define UBSA_LSR_BI 0x10 /* Break detected */ 125 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 126 #define UBSA_LSR_PE 0x04 /* Parity error */ 127 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 128 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 129 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 130 131 /* modem status register */ 132 /* All deltas are from the last read of the MSR. */ 133 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 134 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 135 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 136 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 137 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 138 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 139 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 140 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 141 142 struct ubsa_softc { 143 struct device sc_dev; /* base device */ 144 struct usbd_device *sc_udev; /* USB device */ 145 struct usbd_interface *sc_iface; /* interface */ 146 147 int sc_iface_number; /* interface number */ 148 149 int sc_intr_number; /* interrupt number */ 150 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 151 u_char *sc_intr_buf; /* interrupt buffer */ 152 int sc_isize; 153 154 u_char sc_dtr; /* current DTR state */ 155 u_char sc_rts; /* current RTS state */ 156 157 u_char sc_lsr; /* Local status register */ 158 u_char sc_msr; /* ubsa status register */ 159 160 struct device *sc_subdev; /* ucom device */ 161 162 }; 163 164 void ubsa_intr(struct usbd_xfer *, void *, usbd_status); 165 166 void ubsa_get_status(void *, int, u_char *, u_char *); 167 void ubsa_set(void *, int, int, int); 168 int ubsa_param(void *, int, struct termios *); 169 int ubsa_open(void *, int); 170 void ubsa_close(void *, int); 171 172 void ubsa_break(struct ubsa_softc *sc, int onoff); 173 int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 174 void ubsa_dtr(struct ubsa_softc *, int); 175 void ubsa_rts(struct ubsa_softc *, int); 176 void ubsa_baudrate(struct ubsa_softc *, speed_t); 177 void ubsa_parity(struct ubsa_softc *, tcflag_t); 178 void ubsa_databits(struct ubsa_softc *, tcflag_t); 179 void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 180 void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 181 182 struct ucom_methods ubsa_methods = { 183 ubsa_get_status, 184 ubsa_set, 185 ubsa_param, 186 NULL, 187 ubsa_open, 188 ubsa_close, 189 NULL, 190 NULL 191 }; 192 193 const struct usb_devno ubsa_devs[] = { 194 /* Axesstel MV100H */ 195 { USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM }, 196 /* BELKIN F5U103 */ 197 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 198 /* BELKIN F5U120 */ 199 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 200 /* GoHubs GO-COM232 , Belkin F5U003 */ 201 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 202 /* GoHubs GO-COM232 */ 203 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 204 /* Peracom */ 205 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 206 /* ZTE Inc. CMDMA MSM modem */ 207 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_CDMA_MSM }, 208 /* ZTE Inc. AC8700 */ 209 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_AC8700 }, 210 }; 211 212 int ubsa_match(struct device *, void *, void *); 213 void ubsa_attach(struct device *, struct device *, void *); 214 int ubsa_detach(struct device *, int); 215 216 struct cfdriver ubsa_cd = { 217 NULL, "ubsa", DV_DULL 218 }; 219 220 const struct cfattach ubsa_ca = { 221 sizeof(struct ubsa_softc), ubsa_match, ubsa_attach, ubsa_detach 222 }; 223 224 int 225 ubsa_match(struct device *parent, void *match, void *aux) 226 { 227 struct usb_attach_arg *uaa = aux; 228 229 if (uaa->iface != NULL) 230 return (UMATCH_NONE); 231 232 return (usb_lookup(ubsa_devs, uaa->vendor, uaa->product) != NULL ? 233 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 234 } 235 236 void 237 ubsa_attach(struct device *parent, struct device *self, void *aux) 238 { 239 struct ubsa_softc *sc = (struct ubsa_softc *)self; 240 struct usb_attach_arg *uaa = aux; 241 struct usbd_device *dev = uaa->device; 242 usb_config_descriptor_t *cdesc; 243 usb_interface_descriptor_t *id; 244 usb_endpoint_descriptor_t *ed; 245 const char *devname = sc->sc_dev.dv_xname; 246 usbd_status err; 247 struct ucom_attach_args uca; 248 int i; 249 250 sc->sc_udev = dev; 251 252 /* 253 * initialize rts, dtr variables to something 254 * different from boolean 0, 1 255 */ 256 sc->sc_dtr = -1; 257 sc->sc_rts = -1; 258 259 DPRINTF(("ubsa attach: sc = %p\n", sc)); 260 261 /* initialize endpoints */ 262 uca.bulkin = uca.bulkout = -1; 263 sc->sc_intr_number = -1; 264 sc->sc_intr_pipe = NULL; 265 266 /* Move the device into the configured state. */ 267 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 268 if (err) { 269 printf("%s: failed to set configuration: %s\n", 270 devname, usbd_errstr(err)); 271 usbd_deactivate(sc->sc_udev); 272 goto error; 273 } 274 275 /* get the config descriptor */ 276 cdesc = usbd_get_config_descriptor(sc->sc_udev); 277 278 if (cdesc == NULL) { 279 printf("%s: failed to get configuration descriptor\n", 280 devname); 281 usbd_deactivate(sc->sc_udev); 282 goto error; 283 } 284 285 /* get the first interface */ 286 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 287 &sc->sc_iface); 288 if (err) { 289 printf("%s: failed to get interface: %s\n", 290 devname, usbd_errstr(err)); 291 usbd_deactivate(sc->sc_udev); 292 goto error; 293 } 294 295 /* Find the endpoints */ 296 297 id = usbd_get_interface_descriptor(sc->sc_iface); 298 sc->sc_iface_number = id->bInterfaceNumber; 299 300 for (i = 0; i < id->bNumEndpoints; i++) { 301 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 302 if (ed == NULL) { 303 printf("%s: no endpoint descriptor for %d\n", 304 sc->sc_dev.dv_xname, i); 305 usbd_deactivate(sc->sc_udev); 306 goto error; 307 } 308 309 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 310 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 311 sc->sc_intr_number = ed->bEndpointAddress; 312 sc->sc_isize = UGETW(ed->wMaxPacketSize); 313 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 314 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 315 uca.bulkin = ed->bEndpointAddress; 316 uca.ibufsize = UGETW(ed->wMaxPacketSize); 317 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 318 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 319 uca.bulkout = ed->bEndpointAddress; 320 uca.obufsize = UGETW(ed->wMaxPacketSize); 321 } 322 } 323 324 if (sc->sc_intr_number == -1) { 325 printf("%s: Could not find interrupt in\n", devname); 326 usbd_deactivate(sc->sc_udev); 327 goto error; 328 } 329 330 if (uca.bulkin == -1) { 331 printf("%s: Could not find data bulk in\n", devname); 332 usbd_deactivate(sc->sc_udev); 333 goto error; 334 } 335 336 if (uca.bulkout == -1) { 337 printf("%s: Could not find data bulk out\n", devname); 338 usbd_deactivate(sc->sc_udev); 339 goto error; 340 } 341 342 uca.portno = UCOM_UNK_PORTNO; 343 /* bulkin, bulkout set above */ 344 uca.ibufsizepad = uca.ibufsize; 345 uca.opkthdrlen = 0; 346 uca.device = dev; 347 uca.iface = sc->sc_iface; 348 uca.methods = &ubsa_methods; 349 uca.arg = sc; 350 uca.info = NULL; 351 352 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 353 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 354 355 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 356 357 error: 358 return; 359 } 360 361 int 362 ubsa_detach(struct device *self, int flags) 363 { 364 struct ubsa_softc *sc = (struct ubsa_softc *)self; 365 int rv = 0; 366 367 368 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 369 370 if (sc->sc_intr_pipe != NULL) { 371 usbd_abort_pipe(sc->sc_intr_pipe); 372 usbd_close_pipe(sc->sc_intr_pipe); 373 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 374 sc->sc_intr_pipe = NULL; 375 } 376 377 if (sc->sc_subdev != NULL) { 378 rv = config_detach(sc->sc_subdev, flags); 379 sc->sc_subdev = NULL; 380 } 381 382 return (rv); 383 } 384 385 int 386 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 387 { 388 usb_device_request_t req; 389 usbd_status err; 390 391 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 392 req.bRequest = request; 393 USETW(req.wValue, value); 394 USETW(req.wIndex, sc->sc_iface_number); 395 USETW(req.wLength, 0); 396 397 err = usbd_do_request(sc->sc_udev, &req, 0); 398 if (err && err != USBD_STALLED) 399 printf("%s: ubsa_request: %s\n", 400 sc->sc_dev.dv_xname, usbd_errstr(err)); 401 return (err); 402 } 403 404 void 405 ubsa_dtr(struct ubsa_softc *sc, int onoff) 406 { 407 408 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 409 410 if (sc->sc_dtr == onoff) 411 return; 412 sc->sc_dtr = onoff; 413 414 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 415 } 416 417 void 418 ubsa_rts(struct ubsa_softc *sc, int onoff) 419 { 420 421 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 422 423 if (sc->sc_rts == onoff) 424 return; 425 sc->sc_rts = onoff; 426 427 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 428 } 429 430 void 431 ubsa_break(struct ubsa_softc *sc, int onoff) 432 { 433 434 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 435 436 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 437 } 438 439 void 440 ubsa_set(void *addr, int portno, int reg, int onoff) 441 { 442 struct ubsa_softc *sc; 443 444 sc = addr; 445 switch (reg) { 446 case UCOM_SET_DTR: 447 ubsa_dtr(sc, onoff); 448 break; 449 case UCOM_SET_RTS: 450 ubsa_rts(sc, onoff); 451 break; 452 case UCOM_SET_BREAK: 453 ubsa_break(sc, onoff); 454 break; 455 default: 456 break; 457 } 458 } 459 460 void 461 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 462 { 463 u_int16_t value = 0; 464 465 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 466 467 switch(speed) { 468 case B0: 469 break; 470 case B300: 471 case B600: 472 case B1200: 473 case B2400: 474 case B4800: 475 case B9600: 476 case B19200: 477 case B38400: 478 case B57600: 479 case B115200: 480 case B230400: 481 value = B230400 / speed; 482 break; 483 default: 484 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 485 "forcing default of 9600\n", 486 sc->sc_dev.dv_xname)); 487 value = B230400 / B9600; 488 break; 489 }; 490 491 if (speed == B0) { 492 ubsa_flow(sc, 0, 0); 493 ubsa_dtr(sc, 0); 494 ubsa_rts(sc, 0); 495 } else 496 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 497 } 498 499 void 500 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 501 { 502 int value; 503 504 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 505 506 if (cflag & PARENB) 507 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 508 else 509 value = UBSA_PARITY_NONE; 510 511 ubsa_request(sc, UBSA_SET_PARITY, value); 512 } 513 514 void 515 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 516 { 517 int value; 518 519 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 520 521 switch (cflag & CSIZE) { 522 case CS5: value = 0; break; 523 case CS6: value = 1; break; 524 case CS7: value = 2; break; 525 case CS8: value = 3; break; 526 default: 527 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 528 "forcing default of 8\n", 529 sc->sc_dev.dv_xname)); 530 value = 3; 531 } 532 533 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 534 } 535 536 void 537 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 538 { 539 int value; 540 541 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 542 543 value = (cflag & CSTOPB) ? 1 : 0; 544 545 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 546 } 547 548 void 549 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 550 { 551 int value; 552 553 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 554 555 value = 0; 556 if (cflag & CRTSCTS) 557 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 558 if (iflag & (IXON|IXOFF)) 559 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 560 561 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 562 } 563 564 int 565 ubsa_param(void *addr, int portno, struct termios *ti) 566 { 567 struct ubsa_softc *sc = addr; 568 569 DPRINTF(("ubsa_param: sc = %p\n", sc)); 570 571 ubsa_baudrate(sc, ti->c_ospeed); 572 ubsa_parity(sc, ti->c_cflag); 573 ubsa_databits(sc, ti->c_cflag); 574 ubsa_stopbits(sc, ti->c_cflag); 575 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 576 577 return (0); 578 } 579 580 int 581 ubsa_open(void *addr, int portno) 582 { 583 struct ubsa_softc *sc = addr; 584 int err; 585 586 if (usbd_is_dying(sc->sc_udev)) 587 return (ENXIO); 588 589 DPRINTF(("ubsa_open: sc = %p\n", sc)); 590 591 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 592 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 593 err = usbd_open_pipe_intr(sc->sc_iface, 594 sc->sc_intr_number, 595 USBD_SHORT_XFER_OK, 596 &sc->sc_intr_pipe, 597 sc, 598 sc->sc_intr_buf, 599 sc->sc_isize, 600 ubsa_intr, 601 UBSA_INTR_INTERVAL); 602 if (err) { 603 printf("%s: cannot open interrupt pipe (addr %d)\n", 604 sc->sc_dev.dv_xname, 605 sc->sc_intr_number); 606 return (EIO); 607 } 608 } 609 610 return (0); 611 } 612 613 void 614 ubsa_close(void *addr, int portno) 615 { 616 struct ubsa_softc *sc = addr; 617 int err; 618 619 if (usbd_is_dying(sc->sc_udev)) 620 return; 621 622 DPRINTF(("ubsa_close: close\n")); 623 624 if (sc->sc_intr_pipe != NULL) { 625 usbd_abort_pipe(sc->sc_intr_pipe); 626 err = usbd_close_pipe(sc->sc_intr_pipe); 627 if (err) 628 printf("%s: close interrupt pipe failed: %s\n", 629 sc->sc_dev.dv_xname, 630 usbd_errstr(err)); 631 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 632 sc->sc_intr_pipe = NULL; 633 } 634 } 635 636 void 637 ubsa_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 638 { 639 struct ubsa_softc *sc = priv; 640 u_char *buf; 641 struct usb_cdc_notification *cdcbuf; 642 643 buf = sc->sc_intr_buf; 644 cdcbuf = (struct usb_cdc_notification *)sc->sc_intr_buf; 645 if (usbd_is_dying(sc->sc_udev)) 646 return; 647 648 if (status != USBD_NORMAL_COMPLETION) { 649 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 650 return; 651 652 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 653 sc->sc_dev.dv_xname, usbd_errstr(status))); 654 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 655 return; 656 } 657 658 #if 1 /* test */ 659 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 660 printf("%s: this device is using CDC notify message in" 661 " intr pipe.\n" 662 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 663 sc->sc_dev.dv_xname); 664 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 665 sc->sc_dev.dv_xname, 666 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 667 668 /* check the buffer data */ 669 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 670 printf("%s:notify serial state, len=%d, data=0x%02x\n", 671 sc->sc_dev.dv_xname, 672 UGETW(cdcbuf->wLength), cdcbuf->data[0]); 673 } 674 #endif 675 676 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 677 sc->sc_lsr = buf[2]; 678 sc->sc_msr = buf[3]; 679 680 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 681 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 682 683 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 684 } 685 686 void 687 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 688 { 689 struct ubsa_softc *sc = addr; 690 691 DPRINTF(("ubsa_get_status\n")); 692 693 if (lsr != NULL) 694 *lsr = sc->sc_lsr; 695 if (msr != NULL) 696 *msr = sc->sc_msr; 697 } 698