1 /* $OpenBSD: ubsa.c,v 1.71 2024/09/20 02:00:46 jsg 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/malloc.h> 60 #include <sys/device.h> 61 #include <sys/tty.h> 62 63 #include <dev/usb/usb.h> 64 #include <dev/usb/usbcdc.h> 65 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usbdevs.h> 69 70 #include <dev/usb/ucomvar.h> 71 72 #ifdef UBSA_DEBUG 73 int ubsadebug = 0; 74 75 #define DPRINTFN(n, x) do { if (ubsadebug > (n)) printf x; } while (0) 76 #else 77 #define DPRINTFN(n, x) 78 #endif 79 #define DPRINTF(x) DPRINTFN(0, x) 80 81 #define UBSA_MODVER 1 /* module version */ 82 83 #define UBSA_CONFIG_INDEX 1 84 #define UBSA_IFACE_INDEX 0 85 86 #define UBSA_INTR_INTERVAL 100 /* ms */ 87 88 #define UBSA_SET_BAUDRATE 0x00 89 #define UBSA_SET_STOP_BITS 0x01 90 #define UBSA_SET_DATA_BITS 0x02 91 #define UBSA_SET_PARITY 0x03 92 #define UBSA_SET_DTR 0x0A 93 #define UBSA_SET_RTS 0x0B 94 #define UBSA_SET_BREAK 0x0C 95 #define UBSA_SET_FLOW_CTRL 0x10 96 97 #define UBSA_PARITY_NONE 0x00 98 #define UBSA_PARITY_EVEN 0x01 99 #define UBSA_PARITY_ODD 0x02 100 #define UBSA_PARITY_MARK 0x03 101 #define UBSA_PARITY_SPACE 0x04 102 103 #define UBSA_FLOW_NONE 0x0000 104 #define UBSA_FLOW_OCTS 0x0001 105 #define UBSA_FLOW_ODSR 0x0002 106 #define UBSA_FLOW_IDSR 0x0004 107 #define UBSA_FLOW_IDTR 0x0008 108 #define UBSA_FLOW_IRTS 0x0010 109 #define UBSA_FLOW_ORTS 0x0020 110 #define UBSA_FLOW_UNKNOWN 0x0040 111 #define UBSA_FLOW_OXON 0x0080 112 #define UBSA_FLOW_IXON 0x0100 113 114 /* line status register */ 115 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 116 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 117 #define UBSA_LSR_BI 0x10 /* Break detected */ 118 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 119 #define UBSA_LSR_PE 0x04 /* Parity error */ 120 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 121 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 122 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 123 124 /* modem status register */ 125 /* All deltas are from the last read of the MSR. */ 126 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 127 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 128 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 129 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 130 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 131 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 132 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 133 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 134 135 struct ubsa_softc { 136 struct device sc_dev; /* base device */ 137 struct usbd_device *sc_udev; /* USB device */ 138 struct usbd_interface *sc_iface; /* interface */ 139 140 int sc_iface_number; /* interface number */ 141 142 int sc_intr_number; /* interrupt number */ 143 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 144 u_char *sc_intr_buf; /* interrupt buffer */ 145 int sc_isize; 146 147 u_char sc_dtr; /* current DTR state */ 148 u_char sc_rts; /* current RTS state */ 149 150 u_char sc_lsr; /* Local status register */ 151 u_char sc_msr; /* ubsa status register */ 152 153 struct device *sc_subdev; /* ucom device */ 154 155 }; 156 157 void ubsa_intr(struct usbd_xfer *, void *, usbd_status); 158 159 void ubsa_get_status(void *, int, u_char *, u_char *); 160 void ubsa_set(void *, int, int, int); 161 int ubsa_param(void *, int, struct termios *); 162 int ubsa_open(void *, int); 163 void ubsa_close(void *, int); 164 165 void ubsa_break(struct ubsa_softc *sc, int onoff); 166 int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 167 void ubsa_dtr(struct ubsa_softc *, int); 168 void ubsa_rts(struct ubsa_softc *, int); 169 void ubsa_baudrate(struct ubsa_softc *, speed_t); 170 void ubsa_parity(struct ubsa_softc *, tcflag_t); 171 void ubsa_databits(struct ubsa_softc *, tcflag_t); 172 void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 173 void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 174 175 const struct ucom_methods ubsa_methods = { 176 ubsa_get_status, 177 ubsa_set, 178 ubsa_param, 179 NULL, 180 ubsa_open, 181 ubsa_close, 182 NULL, 183 NULL 184 }; 185 186 const struct usb_devno ubsa_devs[] = { 187 /* Axesstel MV100H */ 188 { USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM }, 189 /* BELKIN F5U103 */ 190 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 191 /* BELKIN F5U120 */ 192 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 193 /* GoHubs GO-COM232 , Belkin F5U003 */ 194 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 195 /* GoHubs GO-COM232 */ 196 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 197 /* Peracom */ 198 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 199 /* ZTE Inc. CMDMA MSM modem */ 200 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_CDMA_MSM }, 201 /* ZTE Inc. AC8700 */ 202 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_AC8700 }, 203 }; 204 205 int ubsa_match(struct device *, void *, void *); 206 void ubsa_attach(struct device *, struct device *, void *); 207 int ubsa_detach(struct device *, int); 208 209 struct cfdriver ubsa_cd = { 210 NULL, "ubsa", DV_DULL 211 }; 212 213 const struct cfattach ubsa_ca = { 214 sizeof(struct ubsa_softc), ubsa_match, ubsa_attach, ubsa_detach 215 }; 216 217 int 218 ubsa_match(struct device *parent, void *match, void *aux) 219 { 220 struct usb_attach_arg *uaa = aux; 221 222 if (uaa->iface != NULL) 223 return (UMATCH_NONE); 224 225 return (usb_lookup(ubsa_devs, uaa->vendor, uaa->product) != NULL ? 226 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 227 } 228 229 void 230 ubsa_attach(struct device *parent, struct device *self, void *aux) 231 { 232 struct ubsa_softc *sc = (struct ubsa_softc *)self; 233 struct usb_attach_arg *uaa = aux; 234 struct usbd_device *dev = uaa->device; 235 usb_config_descriptor_t *cdesc; 236 usb_interface_descriptor_t *id; 237 usb_endpoint_descriptor_t *ed; 238 const char *devname = sc->sc_dev.dv_xname; 239 usbd_status err; 240 struct ucom_attach_args uca; 241 int i; 242 243 sc->sc_udev = dev; 244 245 /* 246 * initialize rts, dtr variables to something 247 * different from boolean 0, 1 248 */ 249 sc->sc_dtr = -1; 250 sc->sc_rts = -1; 251 252 DPRINTF(("ubsa attach: sc = %p\n", sc)); 253 254 /* initialize endpoints */ 255 uca.bulkin = uca.bulkout = -1; 256 sc->sc_intr_number = -1; 257 sc->sc_intr_pipe = NULL; 258 259 /* Move the device into the configured state. */ 260 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 261 if (err) { 262 printf("%s: failed to set configuration: %s\n", 263 devname, usbd_errstr(err)); 264 usbd_deactivate(sc->sc_udev); 265 goto error; 266 } 267 268 /* get the config descriptor */ 269 cdesc = usbd_get_config_descriptor(sc->sc_udev); 270 271 if (cdesc == NULL) { 272 printf("%s: failed to get configuration descriptor\n", 273 devname); 274 usbd_deactivate(sc->sc_udev); 275 goto error; 276 } 277 278 /* get the first interface */ 279 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 280 &sc->sc_iface); 281 if (err) { 282 printf("%s: failed to get interface: %s\n", 283 devname, usbd_errstr(err)); 284 usbd_deactivate(sc->sc_udev); 285 goto error; 286 } 287 288 /* Find the endpoints */ 289 290 id = usbd_get_interface_descriptor(sc->sc_iface); 291 sc->sc_iface_number = id->bInterfaceNumber; 292 293 for (i = 0; i < id->bNumEndpoints; i++) { 294 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 295 if (ed == NULL) { 296 printf("%s: no endpoint descriptor for %d\n", 297 sc->sc_dev.dv_xname, i); 298 usbd_deactivate(sc->sc_udev); 299 goto error; 300 } 301 302 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 303 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 304 sc->sc_intr_number = ed->bEndpointAddress; 305 sc->sc_isize = UGETW(ed->wMaxPacketSize); 306 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 307 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 308 uca.bulkin = ed->bEndpointAddress; 309 uca.ibufsize = UGETW(ed->wMaxPacketSize); 310 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 311 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 312 uca.bulkout = ed->bEndpointAddress; 313 uca.obufsize = UGETW(ed->wMaxPacketSize); 314 } 315 } 316 317 if (sc->sc_intr_number == -1) { 318 printf("%s: Could not find interrupt in\n", devname); 319 usbd_deactivate(sc->sc_udev); 320 goto error; 321 } 322 323 if (uca.bulkin == -1) { 324 printf("%s: Could not find data bulk in\n", devname); 325 usbd_deactivate(sc->sc_udev); 326 goto error; 327 } 328 329 if (uca.bulkout == -1) { 330 printf("%s: Could not find data bulk out\n", devname); 331 usbd_deactivate(sc->sc_udev); 332 goto error; 333 } 334 335 uca.portno = UCOM_UNK_PORTNO; 336 /* bulkin, bulkout set above */ 337 uca.ibufsizepad = uca.ibufsize; 338 uca.opkthdrlen = 0; 339 uca.device = dev; 340 uca.iface = sc->sc_iface; 341 uca.methods = &ubsa_methods; 342 uca.arg = sc; 343 uca.info = NULL; 344 345 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 346 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 347 348 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 349 350 error: 351 return; 352 } 353 354 int 355 ubsa_detach(struct device *self, int flags) 356 { 357 struct ubsa_softc *sc = (struct ubsa_softc *)self; 358 int rv = 0; 359 360 361 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 362 363 if (sc->sc_intr_pipe != NULL) { 364 usbd_close_pipe(sc->sc_intr_pipe); 365 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 366 sc->sc_intr_pipe = NULL; 367 } 368 369 if (sc->sc_subdev != NULL) { 370 rv = config_detach(sc->sc_subdev, flags); 371 sc->sc_subdev = NULL; 372 } 373 374 return (rv); 375 } 376 377 int 378 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 379 { 380 usb_device_request_t req; 381 usbd_status err; 382 383 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 384 req.bRequest = request; 385 USETW(req.wValue, value); 386 USETW(req.wIndex, sc->sc_iface_number); 387 USETW(req.wLength, 0); 388 389 err = usbd_do_request(sc->sc_udev, &req, 0); 390 if (err && err != USBD_STALLED) 391 printf("%s: ubsa_request: %s\n", 392 sc->sc_dev.dv_xname, usbd_errstr(err)); 393 return (err); 394 } 395 396 void 397 ubsa_dtr(struct ubsa_softc *sc, int onoff) 398 { 399 400 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 401 402 if (sc->sc_dtr == onoff) 403 return; 404 sc->sc_dtr = onoff; 405 406 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 407 } 408 409 void 410 ubsa_rts(struct ubsa_softc *sc, int onoff) 411 { 412 413 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 414 415 if (sc->sc_rts == onoff) 416 return; 417 sc->sc_rts = onoff; 418 419 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 420 } 421 422 void 423 ubsa_break(struct ubsa_softc *sc, int onoff) 424 { 425 426 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 427 428 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 429 } 430 431 void 432 ubsa_set(void *addr, int portno, int reg, int onoff) 433 { 434 struct ubsa_softc *sc; 435 436 sc = addr; 437 switch (reg) { 438 case UCOM_SET_DTR: 439 ubsa_dtr(sc, onoff); 440 break; 441 case UCOM_SET_RTS: 442 ubsa_rts(sc, onoff); 443 break; 444 case UCOM_SET_BREAK: 445 ubsa_break(sc, onoff); 446 break; 447 default: 448 break; 449 } 450 } 451 452 void 453 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 454 { 455 u_int16_t value = 0; 456 457 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 458 459 switch(speed) { 460 case B0: 461 break; 462 case B300: 463 case B600: 464 case B1200: 465 case B2400: 466 case B4800: 467 case B9600: 468 case B19200: 469 case B38400: 470 case B57600: 471 case B115200: 472 case B230400: 473 value = B230400 / speed; 474 break; 475 default: 476 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 477 "forcing default of 9600\n", 478 sc->sc_dev.dv_xname)); 479 value = B230400 / B9600; 480 break; 481 } 482 483 if (speed == B0) { 484 ubsa_flow(sc, 0, 0); 485 ubsa_dtr(sc, 0); 486 ubsa_rts(sc, 0); 487 } else 488 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 489 } 490 491 void 492 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 493 { 494 int value; 495 496 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 497 498 if (cflag & PARENB) 499 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 500 else 501 value = UBSA_PARITY_NONE; 502 503 ubsa_request(sc, UBSA_SET_PARITY, value); 504 } 505 506 void 507 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 508 { 509 int value; 510 511 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 512 513 switch (cflag & CSIZE) { 514 case CS5: value = 0; break; 515 case CS6: value = 1; break; 516 case CS7: value = 2; break; 517 case CS8: value = 3; break; 518 default: 519 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 520 "forcing default of 8\n", 521 sc->sc_dev.dv_xname)); 522 value = 3; 523 } 524 525 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 526 } 527 528 void 529 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 530 { 531 int value; 532 533 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 534 535 value = (cflag & CSTOPB) ? 1 : 0; 536 537 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 538 } 539 540 void 541 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 542 { 543 int value; 544 545 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 546 547 value = 0; 548 if (cflag & CRTSCTS) 549 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 550 if (iflag & (IXON|IXOFF)) 551 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 552 553 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 554 } 555 556 int 557 ubsa_param(void *addr, int portno, struct termios *ti) 558 { 559 struct ubsa_softc *sc = addr; 560 561 DPRINTF(("ubsa_param: sc = %p\n", sc)); 562 563 ubsa_baudrate(sc, ti->c_ospeed); 564 ubsa_parity(sc, ti->c_cflag); 565 ubsa_databits(sc, ti->c_cflag); 566 ubsa_stopbits(sc, ti->c_cflag); 567 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 568 569 return (0); 570 } 571 572 int 573 ubsa_open(void *addr, int portno) 574 { 575 struct ubsa_softc *sc = addr; 576 int err; 577 578 if (usbd_is_dying(sc->sc_udev)) 579 return (ENXIO); 580 581 DPRINTF(("ubsa_open: sc = %p\n", sc)); 582 583 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 584 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 585 err = usbd_open_pipe_intr(sc->sc_iface, 586 sc->sc_intr_number, 587 USBD_SHORT_XFER_OK, 588 &sc->sc_intr_pipe, 589 sc, 590 sc->sc_intr_buf, 591 sc->sc_isize, 592 ubsa_intr, 593 UBSA_INTR_INTERVAL); 594 if (err) { 595 printf("%s: cannot open interrupt pipe (addr %d)\n", 596 sc->sc_dev.dv_xname, 597 sc->sc_intr_number); 598 return (EIO); 599 } 600 } 601 602 return (0); 603 } 604 605 void 606 ubsa_close(void *addr, int portno) 607 { 608 struct ubsa_softc *sc = addr; 609 int err; 610 611 if (usbd_is_dying(sc->sc_udev)) 612 return; 613 614 DPRINTF(("ubsa_close: close\n")); 615 616 if (sc->sc_intr_pipe != NULL) { 617 err = usbd_close_pipe(sc->sc_intr_pipe); 618 if (err) 619 printf("%s: close interrupt pipe failed: %s\n", 620 sc->sc_dev.dv_xname, 621 usbd_errstr(err)); 622 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 623 sc->sc_intr_pipe = NULL; 624 } 625 } 626 627 void 628 ubsa_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 629 { 630 struct ubsa_softc *sc = priv; 631 u_char *buf; 632 struct usb_cdc_notification *cdcbuf; 633 634 buf = sc->sc_intr_buf; 635 cdcbuf = (struct usb_cdc_notification *)sc->sc_intr_buf; 636 if (usbd_is_dying(sc->sc_udev)) 637 return; 638 639 if (status != USBD_NORMAL_COMPLETION) { 640 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 641 return; 642 643 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 644 sc->sc_dev.dv_xname, usbd_errstr(status))); 645 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 646 return; 647 } 648 649 #if 1 /* test */ 650 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 651 printf("%s: this device is using CDC notify message in" 652 " intr pipe.\n" 653 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 654 sc->sc_dev.dv_xname); 655 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 656 sc->sc_dev.dv_xname, 657 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 658 659 /* check the buffer data */ 660 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 661 printf("%s:notify serial state, len=%d, data=0x%02x\n", 662 sc->sc_dev.dv_xname, 663 UGETW(cdcbuf->wLength), cdcbuf->data[0]); 664 } 665 #endif 666 667 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 668 sc->sc_lsr = buf[2]; 669 sc->sc_msr = buf[3]; 670 671 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 672 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 673 674 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 675 } 676 677 void 678 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 679 { 680 struct ubsa_softc *sc = addr; 681 682 DPRINTF(("ubsa_get_status\n")); 683 684 if (lsr != NULL) 685 *lsr = sc->sc_lsr; 686 if (msr != NULL) 687 *msr = sc->sc_msr; 688 } 689