1 /* $OpenBSD: ubsa.c,v 1.66 2018/04/27 08:08:06 guenther 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/selinfo.h> 67 #include <sys/poll.h> 68 69 #include <dev/usb/usb.h> 70 #include <dev/usb/usbcdc.h> 71 72 #include <dev/usb/usbdi.h> 73 #include <dev/usb/usbdi_util.h> 74 #include <dev/usb/usbdevs.h> 75 76 #include <dev/usb/ucomvar.h> 77 78 #ifdef UBSA_DEBUG 79 int ubsadebug = 0; 80 81 #define DPRINTFN(n, x) do { if (ubsadebug > (n)) printf x; } while (0) 82 #else 83 #define DPRINTFN(n, x) 84 #endif 85 #define DPRINTF(x) DPRINTFN(0, x) 86 87 #define UBSA_MODVER 1 /* module version */ 88 89 #define UBSA_CONFIG_INDEX 1 90 #define UBSA_IFACE_INDEX 0 91 92 #define UBSA_INTR_INTERVAL 100 /* ms */ 93 94 #define UBSA_SET_BAUDRATE 0x00 95 #define UBSA_SET_STOP_BITS 0x01 96 #define UBSA_SET_DATA_BITS 0x02 97 #define UBSA_SET_PARITY 0x03 98 #define UBSA_SET_DTR 0x0A 99 #define UBSA_SET_RTS 0x0B 100 #define UBSA_SET_BREAK 0x0C 101 #define UBSA_SET_FLOW_CTRL 0x10 102 103 #define UBSA_PARITY_NONE 0x00 104 #define UBSA_PARITY_EVEN 0x01 105 #define UBSA_PARITY_ODD 0x02 106 #define UBSA_PARITY_MARK 0x03 107 #define UBSA_PARITY_SPACE 0x04 108 109 #define UBSA_FLOW_NONE 0x0000 110 #define UBSA_FLOW_OCTS 0x0001 111 #define UBSA_FLOW_ODSR 0x0002 112 #define UBSA_FLOW_IDSR 0x0004 113 #define UBSA_FLOW_IDTR 0x0008 114 #define UBSA_FLOW_IRTS 0x0010 115 #define UBSA_FLOW_ORTS 0x0020 116 #define UBSA_FLOW_UNKNOWN 0x0040 117 #define UBSA_FLOW_OXON 0x0080 118 #define UBSA_FLOW_IXON 0x0100 119 120 /* line status register */ 121 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 122 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 123 #define UBSA_LSR_BI 0x10 /* Break detected */ 124 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 125 #define UBSA_LSR_PE 0x04 /* Parity error */ 126 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 127 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 128 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 129 130 /* modem status register */ 131 /* All deltas are from the last read of the MSR. */ 132 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 133 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 134 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 135 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 136 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 137 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 138 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 139 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 140 141 struct ubsa_softc { 142 struct device sc_dev; /* base device */ 143 struct usbd_device *sc_udev; /* USB device */ 144 struct usbd_interface *sc_iface; /* interface */ 145 146 int sc_iface_number; /* interface number */ 147 148 int sc_intr_number; /* interrupt number */ 149 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 150 u_char *sc_intr_buf; /* interrupt buffer */ 151 int sc_isize; 152 153 u_char sc_dtr; /* current DTR state */ 154 u_char sc_rts; /* current RTS state */ 155 156 u_char sc_lsr; /* Local status register */ 157 u_char sc_msr; /* ubsa status register */ 158 159 struct device *sc_subdev; /* ucom device */ 160 161 }; 162 163 void ubsa_intr(struct usbd_xfer *, void *, usbd_status); 164 165 void ubsa_get_status(void *, int, u_char *, u_char *); 166 void ubsa_set(void *, int, int, int); 167 int ubsa_param(void *, int, struct termios *); 168 int ubsa_open(void *, int); 169 void ubsa_close(void *, int); 170 171 void ubsa_break(struct ubsa_softc *sc, int onoff); 172 int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 173 void ubsa_dtr(struct ubsa_softc *, int); 174 void ubsa_rts(struct ubsa_softc *, int); 175 void ubsa_baudrate(struct ubsa_softc *, speed_t); 176 void ubsa_parity(struct ubsa_softc *, tcflag_t); 177 void ubsa_databits(struct ubsa_softc *, tcflag_t); 178 void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 179 void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 180 181 struct ucom_methods ubsa_methods = { 182 ubsa_get_status, 183 ubsa_set, 184 ubsa_param, 185 NULL, 186 ubsa_open, 187 ubsa_close, 188 NULL, 189 NULL 190 }; 191 192 const struct usb_devno ubsa_devs[] = { 193 /* Axesstel MV100H */ 194 { USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM }, 195 /* BELKIN F5U103 */ 196 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 197 /* BELKIN F5U120 */ 198 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 199 /* GoHubs GO-COM232 , Belkin F5U003 */ 200 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 201 /* GoHubs GO-COM232 */ 202 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 203 /* Peracom */ 204 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 205 /* ZTE Inc. CMDMA MSM modem */ 206 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_CDMA_MSM }, 207 /* ZTE Inc. AC8700 */ 208 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_AC8700 }, 209 }; 210 211 int ubsa_match(struct device *, void *, void *); 212 void ubsa_attach(struct device *, struct device *, void *); 213 int ubsa_detach(struct device *, int); 214 215 struct cfdriver ubsa_cd = { 216 NULL, "ubsa", DV_DULL 217 }; 218 219 const struct cfattach ubsa_ca = { 220 sizeof(struct ubsa_softc), ubsa_match, ubsa_attach, ubsa_detach 221 }; 222 223 int 224 ubsa_match(struct device *parent, void *match, void *aux) 225 { 226 struct usb_attach_arg *uaa = aux; 227 228 if (uaa->iface != NULL) 229 return (UMATCH_NONE); 230 231 return (usb_lookup(ubsa_devs, uaa->vendor, uaa->product) != NULL ? 232 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 233 } 234 235 void 236 ubsa_attach(struct device *parent, struct device *self, void *aux) 237 { 238 struct ubsa_softc *sc = (struct ubsa_softc *)self; 239 struct usb_attach_arg *uaa = aux; 240 struct usbd_device *dev = uaa->device; 241 usb_config_descriptor_t *cdesc; 242 usb_interface_descriptor_t *id; 243 usb_endpoint_descriptor_t *ed; 244 const char *devname = sc->sc_dev.dv_xname; 245 usbd_status err; 246 struct ucom_attach_args uca; 247 int i; 248 249 sc->sc_udev = dev; 250 251 /* 252 * initialize rts, dtr variables to something 253 * different from boolean 0, 1 254 */ 255 sc->sc_dtr = -1; 256 sc->sc_rts = -1; 257 258 DPRINTF(("ubsa attach: sc = %p\n", sc)); 259 260 /* initialize endpoints */ 261 uca.bulkin = uca.bulkout = -1; 262 sc->sc_intr_number = -1; 263 sc->sc_intr_pipe = NULL; 264 265 /* Move the device into the configured state. */ 266 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 267 if (err) { 268 printf("%s: failed to set configuration: %s\n", 269 devname, usbd_errstr(err)); 270 usbd_deactivate(sc->sc_udev); 271 goto error; 272 } 273 274 /* get the config descriptor */ 275 cdesc = usbd_get_config_descriptor(sc->sc_udev); 276 277 if (cdesc == NULL) { 278 printf("%s: failed to get configuration descriptor\n", 279 devname); 280 usbd_deactivate(sc->sc_udev); 281 goto error; 282 } 283 284 /* get the first interface */ 285 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 286 &sc->sc_iface); 287 if (err) { 288 printf("%s: failed to get interface: %s\n", 289 devname, usbd_errstr(err)); 290 usbd_deactivate(sc->sc_udev); 291 goto error; 292 } 293 294 /* Find the endpoints */ 295 296 id = usbd_get_interface_descriptor(sc->sc_iface); 297 sc->sc_iface_number = id->bInterfaceNumber; 298 299 for (i = 0; i < id->bNumEndpoints; i++) { 300 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 301 if (ed == NULL) { 302 printf("%s: no endpoint descriptor for %d\n", 303 sc->sc_dev.dv_xname, i); 304 usbd_deactivate(sc->sc_udev); 305 goto error; 306 } 307 308 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 309 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 310 sc->sc_intr_number = ed->bEndpointAddress; 311 sc->sc_isize = UGETW(ed->wMaxPacketSize); 312 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 313 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 314 uca.bulkin = ed->bEndpointAddress; 315 uca.ibufsize = UGETW(ed->wMaxPacketSize); 316 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 317 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 318 uca.bulkout = ed->bEndpointAddress; 319 uca.obufsize = UGETW(ed->wMaxPacketSize); 320 } 321 } 322 323 if (sc->sc_intr_number == -1) { 324 printf("%s: Could not find interrupt in\n", devname); 325 usbd_deactivate(sc->sc_udev); 326 goto error; 327 } 328 329 if (uca.bulkin == -1) { 330 printf("%s: Could not find data bulk in\n", devname); 331 usbd_deactivate(sc->sc_udev); 332 goto error; 333 } 334 335 if (uca.bulkout == -1) { 336 printf("%s: Could not find data bulk out\n", devname); 337 usbd_deactivate(sc->sc_udev); 338 goto error; 339 } 340 341 uca.portno = UCOM_UNK_PORTNO; 342 /* bulkin, bulkout set above */ 343 uca.ibufsizepad = uca.ibufsize; 344 uca.opkthdrlen = 0; 345 uca.device = dev; 346 uca.iface = sc->sc_iface; 347 uca.methods = &ubsa_methods; 348 uca.arg = sc; 349 uca.info = NULL; 350 351 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 352 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 353 354 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 355 356 error: 357 return; 358 } 359 360 int 361 ubsa_detach(struct device *self, int flags) 362 { 363 struct ubsa_softc *sc = (struct ubsa_softc *)self; 364 int rv = 0; 365 366 367 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 368 369 if (sc->sc_intr_pipe != NULL) { 370 usbd_abort_pipe(sc->sc_intr_pipe); 371 usbd_close_pipe(sc->sc_intr_pipe); 372 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 373 sc->sc_intr_pipe = NULL; 374 } 375 376 if (sc->sc_subdev != NULL) { 377 rv = config_detach(sc->sc_subdev, flags); 378 sc->sc_subdev = NULL; 379 } 380 381 return (rv); 382 } 383 384 int 385 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 386 { 387 usb_device_request_t req; 388 usbd_status err; 389 390 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 391 req.bRequest = request; 392 USETW(req.wValue, value); 393 USETW(req.wIndex, sc->sc_iface_number); 394 USETW(req.wLength, 0); 395 396 err = usbd_do_request(sc->sc_udev, &req, 0); 397 if (err && err != USBD_STALLED) 398 printf("%s: ubsa_request: %s\n", 399 sc->sc_dev.dv_xname, usbd_errstr(err)); 400 return (err); 401 } 402 403 void 404 ubsa_dtr(struct ubsa_softc *sc, int onoff) 405 { 406 407 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 408 409 if (sc->sc_dtr == onoff) 410 return; 411 sc->sc_dtr = onoff; 412 413 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 414 } 415 416 void 417 ubsa_rts(struct ubsa_softc *sc, int onoff) 418 { 419 420 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 421 422 if (sc->sc_rts == onoff) 423 return; 424 sc->sc_rts = onoff; 425 426 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 427 } 428 429 void 430 ubsa_break(struct ubsa_softc *sc, int onoff) 431 { 432 433 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 434 435 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 436 } 437 438 void 439 ubsa_set(void *addr, int portno, int reg, int onoff) 440 { 441 struct ubsa_softc *sc; 442 443 sc = addr; 444 switch (reg) { 445 case UCOM_SET_DTR: 446 ubsa_dtr(sc, onoff); 447 break; 448 case UCOM_SET_RTS: 449 ubsa_rts(sc, onoff); 450 break; 451 case UCOM_SET_BREAK: 452 ubsa_break(sc, onoff); 453 break; 454 default: 455 break; 456 } 457 } 458 459 void 460 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 461 { 462 u_int16_t value = 0; 463 464 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 465 466 switch(speed) { 467 case B0: 468 break; 469 case B300: 470 case B600: 471 case B1200: 472 case B2400: 473 case B4800: 474 case B9600: 475 case B19200: 476 case B38400: 477 case B57600: 478 case B115200: 479 case B230400: 480 value = B230400 / speed; 481 break; 482 default: 483 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 484 "forcing default of 9600\n", 485 sc->sc_dev.dv_xname)); 486 value = B230400 / B9600; 487 break; 488 }; 489 490 if (speed == B0) { 491 ubsa_flow(sc, 0, 0); 492 ubsa_dtr(sc, 0); 493 ubsa_rts(sc, 0); 494 } else 495 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 496 } 497 498 void 499 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 500 { 501 int value; 502 503 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 504 505 if (cflag & PARENB) 506 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 507 else 508 value = UBSA_PARITY_NONE; 509 510 ubsa_request(sc, UBSA_SET_PARITY, value); 511 } 512 513 void 514 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 515 { 516 int value; 517 518 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 519 520 switch (cflag & CSIZE) { 521 case CS5: value = 0; break; 522 case CS6: value = 1; break; 523 case CS7: value = 2; break; 524 case CS8: value = 3; break; 525 default: 526 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 527 "forcing default of 8\n", 528 sc->sc_dev.dv_xname)); 529 value = 3; 530 } 531 532 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 533 } 534 535 void 536 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 537 { 538 int value; 539 540 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 541 542 value = (cflag & CSTOPB) ? 1 : 0; 543 544 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 545 } 546 547 void 548 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 549 { 550 int value; 551 552 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 553 554 value = 0; 555 if (cflag & CRTSCTS) 556 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 557 if (iflag & (IXON|IXOFF)) 558 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 559 560 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 561 } 562 563 int 564 ubsa_param(void *addr, int portno, struct termios *ti) 565 { 566 struct ubsa_softc *sc = addr; 567 568 DPRINTF(("ubsa_param: sc = %p\n", sc)); 569 570 ubsa_baudrate(sc, ti->c_ospeed); 571 ubsa_parity(sc, ti->c_cflag); 572 ubsa_databits(sc, ti->c_cflag); 573 ubsa_stopbits(sc, ti->c_cflag); 574 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 575 576 return (0); 577 } 578 579 int 580 ubsa_open(void *addr, int portno) 581 { 582 struct ubsa_softc *sc = addr; 583 int err; 584 585 if (usbd_is_dying(sc->sc_udev)) 586 return (ENXIO); 587 588 DPRINTF(("ubsa_open: sc = %p\n", sc)); 589 590 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 591 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 592 err = usbd_open_pipe_intr(sc->sc_iface, 593 sc->sc_intr_number, 594 USBD_SHORT_XFER_OK, 595 &sc->sc_intr_pipe, 596 sc, 597 sc->sc_intr_buf, 598 sc->sc_isize, 599 ubsa_intr, 600 UBSA_INTR_INTERVAL); 601 if (err) { 602 printf("%s: cannot open interrupt pipe (addr %d)\n", 603 sc->sc_dev.dv_xname, 604 sc->sc_intr_number); 605 return (EIO); 606 } 607 } 608 609 return (0); 610 } 611 612 void 613 ubsa_close(void *addr, int portno) 614 { 615 struct ubsa_softc *sc = addr; 616 int err; 617 618 if (usbd_is_dying(sc->sc_udev)) 619 return; 620 621 DPRINTF(("ubsa_close: close\n")); 622 623 if (sc->sc_intr_pipe != NULL) { 624 usbd_abort_pipe(sc->sc_intr_pipe); 625 err = usbd_close_pipe(sc->sc_intr_pipe); 626 if (err) 627 printf("%s: close interrupt pipe failed: %s\n", 628 sc->sc_dev.dv_xname, 629 usbd_errstr(err)); 630 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 631 sc->sc_intr_pipe = NULL; 632 } 633 } 634 635 void 636 ubsa_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 637 { 638 struct ubsa_softc *sc = priv; 639 u_char *buf; 640 struct usb_cdc_notification *cdcbuf; 641 642 buf = sc->sc_intr_buf; 643 cdcbuf = (struct usb_cdc_notification *)sc->sc_intr_buf; 644 if (usbd_is_dying(sc->sc_udev)) 645 return; 646 647 if (status != USBD_NORMAL_COMPLETION) { 648 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 649 return; 650 651 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 652 sc->sc_dev.dv_xname, usbd_errstr(status))); 653 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 654 return; 655 } 656 657 #if 1 /* test */ 658 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 659 printf("%s: this device is using CDC notify message in" 660 " intr pipe.\n" 661 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 662 sc->sc_dev.dv_xname); 663 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 664 sc->sc_dev.dv_xname, 665 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 666 667 /* check the buffer data */ 668 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 669 printf("%s:notify serial state, len=%d, data=0x%02x\n", 670 sc->sc_dev.dv_xname, 671 UGETW(cdcbuf->wLength), cdcbuf->data[0]); 672 } 673 #endif 674 675 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 676 sc->sc_lsr = buf[2]; 677 sc->sc_msr = buf[3]; 678 679 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 680 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 681 682 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 683 } 684 685 void 686 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 687 { 688 struct ubsa_softc *sc = addr; 689 690 DPRINTF(("ubsa_get_status\n")); 691 692 if (lsr != NULL) 693 *lsr = sc->sc_lsr; 694 if (msr != NULL) 695 *msr = sc->sc_msr; 696 } 697