1 /* $OpenBSD: ubsa.c,v 1.63 2014/07/12 20:26:33 mpi 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 #include <dev/usb/usb_quirks.h> 77 78 #include <dev/usb/ucomvar.h> 79 80 #ifdef UBSA_DEBUG 81 int ubsadebug = 0; 82 83 #define DPRINTFN(n, x) do { if (ubsadebug > (n)) printf x; } while (0) 84 #else 85 #define DPRINTFN(n, x) 86 #endif 87 #define DPRINTF(x) DPRINTFN(0, x) 88 89 #define UBSA_MODVER 1 /* module version */ 90 91 #define UBSA_CONFIG_INDEX 1 92 #define UBSA_IFACE_INDEX 0 93 94 #define UBSA_INTR_INTERVAL 100 /* ms */ 95 96 #define UBSA_SET_BAUDRATE 0x00 97 #define UBSA_SET_STOP_BITS 0x01 98 #define UBSA_SET_DATA_BITS 0x02 99 #define UBSA_SET_PARITY 0x03 100 #define UBSA_SET_DTR 0x0A 101 #define UBSA_SET_RTS 0x0B 102 #define UBSA_SET_BREAK 0x0C 103 #define UBSA_SET_FLOW_CTRL 0x10 104 105 #define UBSA_PARITY_NONE 0x00 106 #define UBSA_PARITY_EVEN 0x01 107 #define UBSA_PARITY_ODD 0x02 108 #define UBSA_PARITY_MARK 0x03 109 #define UBSA_PARITY_SPACE 0x04 110 111 #define UBSA_FLOW_NONE 0x0000 112 #define UBSA_FLOW_OCTS 0x0001 113 #define UBSA_FLOW_ODSR 0x0002 114 #define UBSA_FLOW_IDSR 0x0004 115 #define UBSA_FLOW_IDTR 0x0008 116 #define UBSA_FLOW_IRTS 0x0010 117 #define UBSA_FLOW_ORTS 0x0020 118 #define UBSA_FLOW_UNKNOWN 0x0040 119 #define UBSA_FLOW_OXON 0x0080 120 #define UBSA_FLOW_IXON 0x0100 121 122 /* line status register */ 123 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 124 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 125 #define UBSA_LSR_BI 0x10 /* Break detected */ 126 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 127 #define UBSA_LSR_PE 0x04 /* Parity error */ 128 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 129 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 130 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 131 132 /* modem status register */ 133 /* All deltas are from the last read of the MSR. */ 134 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 135 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 136 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 137 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 138 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 139 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 140 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 141 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 142 143 struct ubsa_softc { 144 struct device sc_dev; /* base device */ 145 struct usbd_device *sc_udev; /* USB device */ 146 struct usbd_interface *sc_iface; /* interface */ 147 148 int sc_iface_number; /* interface number */ 149 150 int sc_intr_number; /* interrupt number */ 151 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 152 u_char *sc_intr_buf; /* interrupt buffer */ 153 int sc_isize; 154 155 u_char sc_dtr; /* current DTR state */ 156 u_char sc_rts; /* current RTS state */ 157 158 u_char sc_lsr; /* Local status register */ 159 u_char sc_msr; /* ubsa status register */ 160 161 struct device *sc_subdev; /* ucom device */ 162 163 }; 164 165 void ubsa_intr(struct usbd_xfer *, void *, usbd_status); 166 167 void ubsa_get_status(void *, int, u_char *, u_char *); 168 void ubsa_set(void *, int, int, int); 169 int ubsa_param(void *, int, struct termios *); 170 int ubsa_open(void *, int); 171 void ubsa_close(void *, int); 172 173 void ubsa_break(struct ubsa_softc *sc, int onoff); 174 int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 175 void ubsa_dtr(struct ubsa_softc *, int); 176 void ubsa_rts(struct ubsa_softc *, int); 177 void ubsa_baudrate(struct ubsa_softc *, speed_t); 178 void ubsa_parity(struct ubsa_softc *, tcflag_t); 179 void ubsa_databits(struct ubsa_softc *, tcflag_t); 180 void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 181 void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 182 183 struct ucom_methods ubsa_methods = { 184 ubsa_get_status, 185 ubsa_set, 186 ubsa_param, 187 NULL, 188 ubsa_open, 189 ubsa_close, 190 NULL, 191 NULL 192 }; 193 194 const struct usb_devno ubsa_devs[] = { 195 /* Axesstel MV100H */ 196 { USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM }, 197 /* BELKIN F5U103 */ 198 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 199 /* BELKIN F5U120 */ 200 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 201 /* GoHubs GO-COM232 , Belkin F5U003 */ 202 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 203 /* GoHubs GO-COM232 */ 204 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 205 /* Peracom */ 206 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 207 /* ZTE Inc. CMDMA MSM modem */ 208 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_CDMA_MSM }, 209 /* ZTE Inc. AC8700 */ 210 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_AC8700 }, 211 }; 212 213 int ubsa_match(struct device *, void *, void *); 214 void ubsa_attach(struct device *, struct device *, void *); 215 int ubsa_detach(struct device *, int); 216 217 struct cfdriver ubsa_cd = { 218 NULL, "ubsa", DV_DULL 219 }; 220 221 const struct cfattach ubsa_ca = { 222 sizeof(struct ubsa_softc), ubsa_match, ubsa_attach, ubsa_detach 223 }; 224 225 int 226 ubsa_match(struct device *parent, void *match, void *aux) 227 { 228 struct usb_attach_arg *uaa = aux; 229 230 if (uaa->iface != NULL) 231 return (UMATCH_NONE); 232 233 return (usb_lookup(ubsa_devs, uaa->vendor, uaa->product) != NULL ? 234 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 235 } 236 237 void 238 ubsa_attach(struct device *parent, struct device *self, void *aux) 239 { 240 struct ubsa_softc *sc = (struct ubsa_softc *)self; 241 struct usb_attach_arg *uaa = aux; 242 struct usbd_device *dev = uaa->device; 243 usb_config_descriptor_t *cdesc; 244 usb_interface_descriptor_t *id; 245 usb_endpoint_descriptor_t *ed; 246 const char *devname = sc->sc_dev.dv_xname; 247 usbd_status err; 248 struct ucom_attach_args uca; 249 int i; 250 251 sc->sc_udev = dev; 252 253 /* 254 * initialize rts, dtr variables to something 255 * different from boolean 0, 1 256 */ 257 sc->sc_dtr = -1; 258 sc->sc_rts = -1; 259 260 DPRINTF(("ubsa attach: sc = %p\n", sc)); 261 262 /* initialize endpoints */ 263 uca.bulkin = uca.bulkout = -1; 264 sc->sc_intr_number = -1; 265 sc->sc_intr_pipe = NULL; 266 267 /* Move the device into the configured state. */ 268 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 269 if (err) { 270 printf("%s: failed to set configuration: %s\n", 271 devname, usbd_errstr(err)); 272 usbd_deactivate(sc->sc_udev); 273 goto error; 274 } 275 276 /* get the config descriptor */ 277 cdesc = usbd_get_config_descriptor(sc->sc_udev); 278 279 if (cdesc == NULL) { 280 printf("%s: failed to get configuration descriptor\n", 281 devname); 282 usbd_deactivate(sc->sc_udev); 283 goto error; 284 } 285 286 /* get the first interface */ 287 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 288 &sc->sc_iface); 289 if (err) { 290 printf("%s: failed to get interface: %s\n", 291 devname, usbd_errstr(err)); 292 usbd_deactivate(sc->sc_udev); 293 goto error; 294 } 295 296 /* Find the endpoints */ 297 298 id = usbd_get_interface_descriptor(sc->sc_iface); 299 sc->sc_iface_number = id->bInterfaceNumber; 300 301 for (i = 0; i < id->bNumEndpoints; i++) { 302 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 303 if (ed == NULL) { 304 printf("%s: no endpoint descriptor for %d\n", 305 sc->sc_dev.dv_xname, i); 306 usbd_deactivate(sc->sc_udev); 307 goto error; 308 } 309 310 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 311 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 312 sc->sc_intr_number = ed->bEndpointAddress; 313 sc->sc_isize = UGETW(ed->wMaxPacketSize); 314 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 315 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 316 uca.bulkin = ed->bEndpointAddress; 317 uca.ibufsize = UGETW(ed->wMaxPacketSize); 318 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 319 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 320 uca.bulkout = ed->bEndpointAddress; 321 uca.obufsize = UGETW(ed->wMaxPacketSize); 322 } 323 } 324 325 if (sc->sc_intr_number == -1) { 326 printf("%s: Could not find interrupt in\n", devname); 327 usbd_deactivate(sc->sc_udev); 328 goto error; 329 } 330 331 if (uca.bulkin == -1) { 332 printf("%s: Could not find data bulk in\n", devname); 333 usbd_deactivate(sc->sc_udev); 334 goto error; 335 } 336 337 if (uca.bulkout == -1) { 338 printf("%s: Could not find data bulk out\n", devname); 339 usbd_deactivate(sc->sc_udev); 340 goto error; 341 } 342 343 uca.portno = UCOM_UNK_PORTNO; 344 /* bulkin, bulkout set above */ 345 uca.ibufsizepad = uca.ibufsize; 346 uca.opkthdrlen = 0; 347 uca.device = dev; 348 uca.iface = sc->sc_iface; 349 uca.methods = &ubsa_methods; 350 uca.arg = sc; 351 uca.info = NULL; 352 353 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 354 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 355 356 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 357 358 error: 359 return; 360 } 361 362 int 363 ubsa_detach(struct device *self, int flags) 364 { 365 struct ubsa_softc *sc = (struct ubsa_softc *)self; 366 int rv = 0; 367 368 369 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 370 371 if (sc->sc_intr_pipe != NULL) { 372 usbd_abort_pipe(sc->sc_intr_pipe); 373 usbd_close_pipe(sc->sc_intr_pipe); 374 free(sc->sc_intr_buf, M_USBDEV, 0); 375 sc->sc_intr_pipe = NULL; 376 } 377 378 if (sc->sc_subdev != NULL) { 379 rv = config_detach(sc->sc_subdev, flags); 380 sc->sc_subdev = NULL; 381 } 382 383 return (rv); 384 } 385 386 int 387 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 388 { 389 usb_device_request_t req; 390 usbd_status err; 391 392 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 393 req.bRequest = request; 394 USETW(req.wValue, value); 395 USETW(req.wIndex, sc->sc_iface_number); 396 USETW(req.wLength, 0); 397 398 err = usbd_do_request(sc->sc_udev, &req, 0); 399 if (err && err != USBD_STALLED) 400 printf("%s: ubsa_request: %s\n", 401 sc->sc_dev.dv_xname, usbd_errstr(err)); 402 return (err); 403 } 404 405 void 406 ubsa_dtr(struct ubsa_softc *sc, int onoff) 407 { 408 409 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 410 411 if (sc->sc_dtr == onoff) 412 return; 413 sc->sc_dtr = onoff; 414 415 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 416 } 417 418 void 419 ubsa_rts(struct ubsa_softc *sc, int onoff) 420 { 421 422 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 423 424 if (sc->sc_rts == onoff) 425 return; 426 sc->sc_rts = onoff; 427 428 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 429 } 430 431 void 432 ubsa_break(struct ubsa_softc *sc, int onoff) 433 { 434 435 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 436 437 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 438 } 439 440 void 441 ubsa_set(void *addr, int portno, int reg, int onoff) 442 { 443 struct ubsa_softc *sc; 444 445 sc = addr; 446 switch (reg) { 447 case UCOM_SET_DTR: 448 ubsa_dtr(sc, onoff); 449 break; 450 case UCOM_SET_RTS: 451 ubsa_rts(sc, onoff); 452 break; 453 case UCOM_SET_BREAK: 454 ubsa_break(sc, onoff); 455 break; 456 default: 457 break; 458 } 459 } 460 461 void 462 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 463 { 464 u_int16_t value = 0; 465 466 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 467 468 switch(speed) { 469 case B0: 470 break; 471 case B300: 472 case B600: 473 case B1200: 474 case B2400: 475 case B4800: 476 case B9600: 477 case B19200: 478 case B38400: 479 case B57600: 480 case B115200: 481 case B230400: 482 value = B230400 / speed; 483 break; 484 default: 485 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 486 "forcing default of 9600\n", 487 sc->sc_dev.dv_xname)); 488 value = B230400 / B9600; 489 break; 490 }; 491 492 if (speed == B0) { 493 ubsa_flow(sc, 0, 0); 494 ubsa_dtr(sc, 0); 495 ubsa_rts(sc, 0); 496 } else 497 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 498 } 499 500 void 501 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 502 { 503 int value; 504 505 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 506 507 if (cflag & PARENB) 508 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 509 else 510 value = UBSA_PARITY_NONE; 511 512 ubsa_request(sc, UBSA_SET_PARITY, value); 513 } 514 515 void 516 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 517 { 518 int value; 519 520 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 521 522 switch (cflag & CSIZE) { 523 case CS5: value = 0; break; 524 case CS6: value = 1; break; 525 case CS7: value = 2; break; 526 case CS8: value = 3; break; 527 default: 528 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 529 "forcing default of 8\n", 530 sc->sc_dev.dv_xname)); 531 value = 3; 532 } 533 534 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 535 } 536 537 void 538 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 539 { 540 int value; 541 542 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 543 544 value = (cflag & CSTOPB) ? 1 : 0; 545 546 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 547 } 548 549 void 550 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 551 { 552 int value; 553 554 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 555 556 value = 0; 557 if (cflag & CRTSCTS) 558 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 559 if (iflag & (IXON|IXOFF)) 560 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 561 562 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 563 } 564 565 int 566 ubsa_param(void *addr, int portno, struct termios *ti) 567 { 568 struct ubsa_softc *sc = addr; 569 570 DPRINTF(("ubsa_param: sc = %p\n", sc)); 571 572 ubsa_baudrate(sc, ti->c_ospeed); 573 ubsa_parity(sc, ti->c_cflag); 574 ubsa_databits(sc, ti->c_cflag); 575 ubsa_stopbits(sc, ti->c_cflag); 576 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 577 578 return (0); 579 } 580 581 int 582 ubsa_open(void *addr, int portno) 583 { 584 struct ubsa_softc *sc = addr; 585 int err; 586 587 if (usbd_is_dying(sc->sc_udev)) 588 return (ENXIO); 589 590 DPRINTF(("ubsa_open: sc = %p\n", sc)); 591 592 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 593 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 594 err = usbd_open_pipe_intr(sc->sc_iface, 595 sc->sc_intr_number, 596 USBD_SHORT_XFER_OK, 597 &sc->sc_intr_pipe, 598 sc, 599 sc->sc_intr_buf, 600 sc->sc_isize, 601 ubsa_intr, 602 UBSA_INTR_INTERVAL); 603 if (err) { 604 printf("%s: cannot open interrupt pipe (addr %d)\n", 605 sc->sc_dev.dv_xname, 606 sc->sc_intr_number); 607 return (EIO); 608 } 609 } 610 611 return (0); 612 } 613 614 void 615 ubsa_close(void *addr, int portno) 616 { 617 struct ubsa_softc *sc = addr; 618 int err; 619 620 if (usbd_is_dying(sc->sc_udev)) 621 return; 622 623 DPRINTF(("ubsa_close: close\n")); 624 625 if (sc->sc_intr_pipe != NULL) { 626 usbd_abort_pipe(sc->sc_intr_pipe); 627 err = usbd_close_pipe(sc->sc_intr_pipe); 628 if (err) 629 printf("%s: close interrupt pipe failed: %s\n", 630 sc->sc_dev.dv_xname, 631 usbd_errstr(err)); 632 free(sc->sc_intr_buf, M_USBDEV, 0); 633 sc->sc_intr_pipe = NULL; 634 } 635 } 636 637 void 638 ubsa_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 639 { 640 struct ubsa_softc *sc = priv; 641 u_char *buf; 642 struct usb_cdc_notification *cdcbuf; 643 644 buf = sc->sc_intr_buf; 645 cdcbuf = (struct usb_cdc_notification *)sc->sc_intr_buf; 646 if (usbd_is_dying(sc->sc_udev)) 647 return; 648 649 if (status != USBD_NORMAL_COMPLETION) { 650 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 651 return; 652 653 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 654 sc->sc_dev.dv_xname, usbd_errstr(status))); 655 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 656 return; 657 } 658 659 #if 1 /* test */ 660 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 661 printf("%s: this device is using CDC notify message in" 662 " intr pipe.\n" 663 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 664 sc->sc_dev.dv_xname); 665 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 666 sc->sc_dev.dv_xname, 667 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 668 669 /* check the buffer data */ 670 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 671 printf("%s:notify serial state, len=%d, data=0x%02x\n", 672 sc->sc_dev.dv_xname, 673 UGETW(cdcbuf->wLength), cdcbuf->data[0]); 674 } 675 #endif 676 677 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 678 sc->sc_lsr = buf[2]; 679 sc->sc_msr = buf[3]; 680 681 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 682 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 683 684 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 685 } 686 687 void 688 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 689 { 690 struct ubsa_softc *sc = addr; 691 692 DPRINTF(("ubsa_get_status\n")); 693 694 if (lsr != NULL) 695 *lsr = sc->sc_lsr; 696 if (msr != NULL) 697 *msr = sc->sc_msr; 698 } 699