1 /* $OpenBSD: ubsa.c,v 1.67 2020/07/31 10:49:33 mglocker 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_close_pipe(sc->sc_intr_pipe); 371 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 372 sc->sc_intr_pipe = NULL; 373 } 374 375 if (sc->sc_subdev != NULL) { 376 rv = config_detach(sc->sc_subdev, flags); 377 sc->sc_subdev = NULL; 378 } 379 380 return (rv); 381 } 382 383 int 384 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 385 { 386 usb_device_request_t req; 387 usbd_status err; 388 389 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 390 req.bRequest = request; 391 USETW(req.wValue, value); 392 USETW(req.wIndex, sc->sc_iface_number); 393 USETW(req.wLength, 0); 394 395 err = usbd_do_request(sc->sc_udev, &req, 0); 396 if (err && err != USBD_STALLED) 397 printf("%s: ubsa_request: %s\n", 398 sc->sc_dev.dv_xname, usbd_errstr(err)); 399 return (err); 400 } 401 402 void 403 ubsa_dtr(struct ubsa_softc *sc, int onoff) 404 { 405 406 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 407 408 if (sc->sc_dtr == onoff) 409 return; 410 sc->sc_dtr = onoff; 411 412 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 413 } 414 415 void 416 ubsa_rts(struct ubsa_softc *sc, int onoff) 417 { 418 419 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 420 421 if (sc->sc_rts == onoff) 422 return; 423 sc->sc_rts = onoff; 424 425 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 426 } 427 428 void 429 ubsa_break(struct ubsa_softc *sc, int onoff) 430 { 431 432 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 433 434 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 435 } 436 437 void 438 ubsa_set(void *addr, int portno, int reg, int onoff) 439 { 440 struct ubsa_softc *sc; 441 442 sc = addr; 443 switch (reg) { 444 case UCOM_SET_DTR: 445 ubsa_dtr(sc, onoff); 446 break; 447 case UCOM_SET_RTS: 448 ubsa_rts(sc, onoff); 449 break; 450 case UCOM_SET_BREAK: 451 ubsa_break(sc, onoff); 452 break; 453 default: 454 break; 455 } 456 } 457 458 void 459 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 460 { 461 u_int16_t value = 0; 462 463 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 464 465 switch(speed) { 466 case B0: 467 break; 468 case B300: 469 case B600: 470 case B1200: 471 case B2400: 472 case B4800: 473 case B9600: 474 case B19200: 475 case B38400: 476 case B57600: 477 case B115200: 478 case B230400: 479 value = B230400 / speed; 480 break; 481 default: 482 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 483 "forcing default of 9600\n", 484 sc->sc_dev.dv_xname)); 485 value = B230400 / B9600; 486 break; 487 }; 488 489 if (speed == B0) { 490 ubsa_flow(sc, 0, 0); 491 ubsa_dtr(sc, 0); 492 ubsa_rts(sc, 0); 493 } else 494 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 495 } 496 497 void 498 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 499 { 500 int value; 501 502 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 503 504 if (cflag & PARENB) 505 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 506 else 507 value = UBSA_PARITY_NONE; 508 509 ubsa_request(sc, UBSA_SET_PARITY, value); 510 } 511 512 void 513 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 514 { 515 int value; 516 517 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 518 519 switch (cflag & CSIZE) { 520 case CS5: value = 0; break; 521 case CS6: value = 1; break; 522 case CS7: value = 2; break; 523 case CS8: value = 3; break; 524 default: 525 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 526 "forcing default of 8\n", 527 sc->sc_dev.dv_xname)); 528 value = 3; 529 } 530 531 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 532 } 533 534 void 535 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 536 { 537 int value; 538 539 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 540 541 value = (cflag & CSTOPB) ? 1 : 0; 542 543 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 544 } 545 546 void 547 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 548 { 549 int value; 550 551 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 552 553 value = 0; 554 if (cflag & CRTSCTS) 555 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 556 if (iflag & (IXON|IXOFF)) 557 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 558 559 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 560 } 561 562 int 563 ubsa_param(void *addr, int portno, struct termios *ti) 564 { 565 struct ubsa_softc *sc = addr; 566 567 DPRINTF(("ubsa_param: sc = %p\n", sc)); 568 569 ubsa_baudrate(sc, ti->c_ospeed); 570 ubsa_parity(sc, ti->c_cflag); 571 ubsa_databits(sc, ti->c_cflag); 572 ubsa_stopbits(sc, ti->c_cflag); 573 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 574 575 return (0); 576 } 577 578 int 579 ubsa_open(void *addr, int portno) 580 { 581 struct ubsa_softc *sc = addr; 582 int err; 583 584 if (usbd_is_dying(sc->sc_udev)) 585 return (ENXIO); 586 587 DPRINTF(("ubsa_open: sc = %p\n", sc)); 588 589 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 590 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 591 err = usbd_open_pipe_intr(sc->sc_iface, 592 sc->sc_intr_number, 593 USBD_SHORT_XFER_OK, 594 &sc->sc_intr_pipe, 595 sc, 596 sc->sc_intr_buf, 597 sc->sc_isize, 598 ubsa_intr, 599 UBSA_INTR_INTERVAL); 600 if (err) { 601 printf("%s: cannot open interrupt pipe (addr %d)\n", 602 sc->sc_dev.dv_xname, 603 sc->sc_intr_number); 604 return (EIO); 605 } 606 } 607 608 return (0); 609 } 610 611 void 612 ubsa_close(void *addr, int portno) 613 { 614 struct ubsa_softc *sc = addr; 615 int err; 616 617 if (usbd_is_dying(sc->sc_udev)) 618 return; 619 620 DPRINTF(("ubsa_close: close\n")); 621 622 if (sc->sc_intr_pipe != NULL) { 623 err = usbd_close_pipe(sc->sc_intr_pipe); 624 if (err) 625 printf("%s: close interrupt pipe failed: %s\n", 626 sc->sc_dev.dv_xname, 627 usbd_errstr(err)); 628 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 629 sc->sc_intr_pipe = NULL; 630 } 631 } 632 633 void 634 ubsa_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 635 { 636 struct ubsa_softc *sc = priv; 637 u_char *buf; 638 struct usb_cdc_notification *cdcbuf; 639 640 buf = sc->sc_intr_buf; 641 cdcbuf = (struct usb_cdc_notification *)sc->sc_intr_buf; 642 if (usbd_is_dying(sc->sc_udev)) 643 return; 644 645 if (status != USBD_NORMAL_COMPLETION) { 646 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 647 return; 648 649 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 650 sc->sc_dev.dv_xname, usbd_errstr(status))); 651 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 652 return; 653 } 654 655 #if 1 /* test */ 656 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 657 printf("%s: this device is using CDC notify message in" 658 " intr pipe.\n" 659 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 660 sc->sc_dev.dv_xname); 661 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 662 sc->sc_dev.dv_xname, 663 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 664 665 /* check the buffer data */ 666 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 667 printf("%s:notify serial state, len=%d, data=0x%02x\n", 668 sc->sc_dev.dv_xname, 669 UGETW(cdcbuf->wLength), cdcbuf->data[0]); 670 } 671 #endif 672 673 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 674 sc->sc_lsr = buf[2]; 675 sc->sc_msr = buf[3]; 676 677 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 678 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 679 680 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 681 } 682 683 void 684 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 685 { 686 struct ubsa_softc *sc = addr; 687 688 DPRINTF(("ubsa_get_status\n")); 689 690 if (lsr != NULL) 691 *lsr = sc->sc_lsr; 692 if (msr != NULL) 693 *msr = sc->sc_msr; 694 } 695