1 /* $OpenBSD: ubsa.c,v 1.47 2009/10/13 19:33:17 pirofti 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/cdefs.h> 58 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/kernel.h> 62 #include <sys/malloc.h> 63 #include <sys/device.h> 64 #include <sys/ioccom.h> 65 #include <sys/fcntl.h> 66 #include <sys/conf.h> 67 #include <sys/tty.h> 68 #include <sys/file.h> 69 #include <sys/selinfo.h> 70 #include <sys/proc.h> 71 #include <sys/vnode.h> 72 #include <sys/poll.h> 73 #include <sys/sysctl.h> 74 75 #include <dev/usb/usb.h> 76 #include <dev/usb/usbcdc.h> 77 78 #include <dev/usb/usbdi.h> 79 #include <dev/usb/usbdi_util.h> 80 #include <dev/usb/usbdevs.h> 81 #include <dev/usb/usb_quirks.h> 82 83 #include <dev/usb/ucomvar.h> 84 85 #ifdef USB_DEBUG 86 #define UBSA_DEBUG 87 #endif 88 89 #ifdef UBSA_DEBUG 90 int ubsadebug = 0; 91 92 #define DPRINTFN(n, x) do { if (ubsadebug > (n)) printf x; } while (0) 93 #else 94 #define DPRINTFN(n, x) 95 #endif 96 #define DPRINTF(x) DPRINTFN(0, x) 97 98 #define UBSA_MODVER 1 /* module version */ 99 100 #define UBSA_CONFIG_INDEX 1 101 #define UBSA_IFACE_INDEX 0 102 103 #define UBSA_INTR_INTERVAL 100 /* ms */ 104 105 #define UBSA_SET_BAUDRATE 0x00 106 #define UBSA_SET_STOP_BITS 0x01 107 #define UBSA_SET_DATA_BITS 0x02 108 #define UBSA_SET_PARITY 0x03 109 #define UBSA_SET_DTR 0x0A 110 #define UBSA_SET_RTS 0x0B 111 #define UBSA_SET_BREAK 0x0C 112 #define UBSA_SET_FLOW_CTRL 0x10 113 114 #define UBSA_PARITY_NONE 0x00 115 #define UBSA_PARITY_EVEN 0x01 116 #define UBSA_PARITY_ODD 0x02 117 #define UBSA_PARITY_MARK 0x03 118 #define UBSA_PARITY_SPACE 0x04 119 120 #define UBSA_FLOW_NONE 0x0000 121 #define UBSA_FLOW_OCTS 0x0001 122 #define UBSA_FLOW_ODSR 0x0002 123 #define UBSA_FLOW_IDSR 0x0004 124 #define UBSA_FLOW_IDTR 0x0008 125 #define UBSA_FLOW_IRTS 0x0010 126 #define UBSA_FLOW_ORTS 0x0020 127 #define UBSA_FLOW_UNKNOWN 0x0040 128 #define UBSA_FLOW_OXON 0x0080 129 #define UBSA_FLOW_IXON 0x0100 130 131 /* line status register */ 132 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 133 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 134 #define UBSA_LSR_BI 0x10 /* Break detected */ 135 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 136 #define UBSA_LSR_PE 0x04 /* Parity error */ 137 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 138 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 139 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 140 141 /* modem status register */ 142 /* All deltas are from the last read of the MSR. */ 143 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 144 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 145 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 146 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 147 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 148 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 149 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 150 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 151 152 struct ubsa_softc { 153 struct device sc_dev; /* base device */ 154 usbd_device_handle sc_udev; /* USB device */ 155 usbd_interface_handle sc_iface; /* interface */ 156 157 int sc_iface_number; /* interface number */ 158 159 int sc_intr_number; /* interrupt number */ 160 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 161 u_char *sc_intr_buf; /* interrupt buffer */ 162 int sc_isize; 163 164 u_char sc_dtr; /* current DTR state */ 165 u_char sc_rts; /* current RTS state */ 166 167 u_char sc_lsr; /* Local status register */ 168 u_char sc_msr; /* ubsa status register */ 169 170 struct device *sc_subdev; /* ucom device */ 171 172 u_char sc_dying; /* disconnecting */ 173 174 }; 175 176 void ubsa_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 177 178 void ubsa_get_status(void *, int, u_char *, u_char *); 179 void ubsa_set(void *, int, int, int); 180 int ubsa_param(void *, int, struct termios *); 181 int ubsa_open(void *, int); 182 void ubsa_close(void *, int); 183 184 void ubsa_break(struct ubsa_softc *sc, int onoff); 185 int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 186 void ubsa_dtr(struct ubsa_softc *, int); 187 void ubsa_rts(struct ubsa_softc *, int); 188 void ubsa_baudrate(struct ubsa_softc *, speed_t); 189 void ubsa_parity(struct ubsa_softc *, tcflag_t); 190 void ubsa_databits(struct ubsa_softc *, tcflag_t); 191 void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 192 void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 193 194 struct ucom_methods ubsa_methods = { 195 ubsa_get_status, 196 ubsa_set, 197 ubsa_param, 198 NULL, 199 ubsa_open, 200 ubsa_close, 201 NULL, 202 NULL 203 }; 204 205 const struct usb_devno ubsa_devs[] = { 206 /* Axesstel MV100H */ 207 { USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM }, 208 /* BELKIN F5U103 */ 209 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 210 /* BELKIN F5U120 */ 211 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 212 /* GoHubs GO-COM232 , Belkin F5U003 */ 213 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 214 /* GoHubs GO-COM232 */ 215 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 216 /* Peracom */ 217 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 218 /* Qualcomm Inc. ZTE CMDMA MSM modem */ 219 { USB_VENDOR_QUALCOMM3, USB_PRODUCT_QUALCOMM3_CDMA_MSM }, 220 /* Qualcomm Inc. AC8700 */ 221 { USB_VENDOR_QUALCOMM3, USB_PRODUCT_QUALCOMM3_AC8700 }, 222 }; 223 #define ubsa_lookup(v, p) usb_lookup(ubsa_devs, v, p) 224 225 int ubsa_match(struct device *, void *, void *); 226 void ubsa_attach(struct device *, struct device *, void *); 227 int ubsa_detach(struct device *, int); 228 int ubsa_activate(struct device *, int); 229 230 struct cfdriver ubsa_cd = { 231 NULL, "ubsa", DV_DULL 232 }; 233 234 const struct cfattach ubsa_ca = { 235 sizeof(struct ubsa_softc), 236 ubsa_match, 237 ubsa_attach, 238 ubsa_detach, 239 ubsa_activate, 240 }; 241 242 int 243 ubsa_match(struct device *parent, void *match, void *aux) 244 { 245 struct usb_attach_arg *uaa = aux; 246 247 if (uaa->iface != NULL) 248 return (UMATCH_NONE); 249 250 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 251 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 252 } 253 254 void 255 ubsa_attach(struct device *parent, struct device *self, void *aux) 256 { 257 struct ubsa_softc *sc = (struct ubsa_softc *)self; 258 struct usb_attach_arg *uaa = aux; 259 usbd_device_handle dev = uaa->device; 260 usb_config_descriptor_t *cdesc; 261 usb_interface_descriptor_t *id; 262 usb_endpoint_descriptor_t *ed; 263 const char *devname = sc->sc_dev.dv_xname; 264 usbd_status err; 265 struct ucom_attach_args uca; 266 int i; 267 268 sc->sc_udev = dev; 269 270 /* 271 * initialize rts, dtr variables to something 272 * different from boolean 0, 1 273 */ 274 sc->sc_dtr = -1; 275 sc->sc_rts = -1; 276 277 DPRINTF(("ubsa attach: sc = %p\n", sc)); 278 279 /* initialize endpoints */ 280 uca.bulkin = uca.bulkout = -1; 281 sc->sc_intr_number = -1; 282 sc->sc_intr_pipe = NULL; 283 284 /* Move the device into the configured state. */ 285 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 286 if (err) { 287 printf("%s: failed to set configuration: %s\n", 288 devname, usbd_errstr(err)); 289 sc->sc_dying = 1; 290 goto error; 291 } 292 293 /* get the config descriptor */ 294 cdesc = usbd_get_config_descriptor(sc->sc_udev); 295 296 if (cdesc == NULL) { 297 printf("%s: failed to get configuration descriptor\n", 298 devname); 299 sc->sc_dying = 1; 300 goto error; 301 } 302 303 /* get the first interface */ 304 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 305 &sc->sc_iface); 306 if (err) { 307 printf("%s: failed to get interface: %s\n", 308 devname, usbd_errstr(err)); 309 sc->sc_dying = 1; 310 goto error; 311 } 312 313 /* Find the endpoints */ 314 315 id = usbd_get_interface_descriptor(sc->sc_iface); 316 sc->sc_iface_number = id->bInterfaceNumber; 317 318 for (i = 0; i < id->bNumEndpoints; i++) { 319 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 320 if (ed == NULL) { 321 printf("%s: no endpoint descriptor for %d\n", 322 sc->sc_dev.dv_xname, i); 323 sc->sc_dying = 1; 324 goto error; 325 } 326 327 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 328 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 329 sc->sc_intr_number = ed->bEndpointAddress; 330 sc->sc_isize = UGETW(ed->wMaxPacketSize); 331 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 332 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 333 uca.bulkin = ed->bEndpointAddress; 334 uca.ibufsize = UGETW(ed->wMaxPacketSize); 335 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 336 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 337 uca.bulkout = ed->bEndpointAddress; 338 uca.obufsize = UGETW(ed->wMaxPacketSize); 339 } 340 } 341 342 if (sc->sc_intr_number == -1) { 343 printf("%s: Could not find interrupt in\n", devname); 344 sc->sc_dying = 1; 345 goto error; 346 } 347 348 if (uca.bulkin == -1) { 349 printf("%s: Could not find data bulk in\n", devname); 350 sc->sc_dying = 1; 351 goto error; 352 } 353 354 if (uca.bulkout == -1) { 355 printf("%s: Could not find data bulk out\n", devname); 356 sc->sc_dying = 1; 357 goto error; 358 } 359 360 uca.portno = UCOM_UNK_PORTNO; 361 /* bulkin, bulkout set above */ 362 uca.ibufsizepad = uca.ibufsize; 363 uca.opkthdrlen = 0; 364 uca.device = dev; 365 uca.iface = sc->sc_iface; 366 uca.methods = &ubsa_methods; 367 uca.arg = sc; 368 uca.info = NULL; 369 370 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 371 &sc->sc_dev); 372 373 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 374 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 375 376 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 377 378 error: 379 return; 380 } 381 382 int 383 ubsa_detach(struct device *self, int flags) 384 { 385 struct ubsa_softc *sc = (struct ubsa_softc *)self; 386 int rv = 0; 387 388 389 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 390 391 if (sc->sc_intr_pipe != NULL) { 392 usbd_abort_pipe(sc->sc_intr_pipe); 393 usbd_close_pipe(sc->sc_intr_pipe); 394 free(sc->sc_intr_buf, M_USBDEV); 395 sc->sc_intr_pipe = NULL; 396 } 397 398 sc->sc_dying = 1; 399 if (sc->sc_subdev != NULL) { 400 rv = config_detach(sc->sc_subdev, flags); 401 sc->sc_subdev = NULL; 402 } 403 404 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 405 &sc->sc_dev); 406 407 return (rv); 408 } 409 410 int 411 ubsa_activate(struct device *self, int act) 412 { 413 struct ubsa_softc *sc = (struct ubsa_softc *)self; 414 int rv = 0; 415 416 switch (act) { 417 case DVACT_ACTIVATE: 418 break; 419 420 case DVACT_DEACTIVATE: 421 if (sc->sc_subdev != NULL) 422 rv = config_deactivate(sc->sc_subdev); 423 sc->sc_dying = 1; 424 break; 425 } 426 return (rv); 427 } 428 429 int 430 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 431 { 432 usb_device_request_t req; 433 usbd_status err; 434 435 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 436 req.bRequest = request; 437 USETW(req.wValue, value); 438 USETW(req.wIndex, sc->sc_iface_number); 439 USETW(req.wLength, 0); 440 441 err = usbd_do_request(sc->sc_udev, &req, 0); 442 if (err && err != USBD_STALLED) 443 printf("%s: ubsa_request: %s\n", 444 sc->sc_dev.dv_xname, usbd_errstr(err)); 445 return (err); 446 } 447 448 void 449 ubsa_dtr(struct ubsa_softc *sc, int onoff) 450 { 451 452 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 453 454 if (sc->sc_dtr == onoff) 455 return; 456 sc->sc_dtr = onoff; 457 458 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 459 } 460 461 void 462 ubsa_rts(struct ubsa_softc *sc, int onoff) 463 { 464 465 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 466 467 if (sc->sc_rts == onoff) 468 return; 469 sc->sc_rts = onoff; 470 471 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 472 } 473 474 void 475 ubsa_break(struct ubsa_softc *sc, int onoff) 476 { 477 478 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 479 480 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 481 } 482 483 void 484 ubsa_set(void *addr, int portno, int reg, int onoff) 485 { 486 struct ubsa_softc *sc; 487 488 sc = addr; 489 switch (reg) { 490 case UCOM_SET_DTR: 491 ubsa_dtr(sc, onoff); 492 break; 493 case UCOM_SET_RTS: 494 ubsa_rts(sc, onoff); 495 break; 496 case UCOM_SET_BREAK: 497 ubsa_break(sc, onoff); 498 break; 499 default: 500 break; 501 } 502 } 503 504 void 505 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 506 { 507 u_int16_t value = 0; 508 509 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 510 511 switch(speed) { 512 case B0: 513 break; 514 case B300: 515 case B600: 516 case B1200: 517 case B2400: 518 case B4800: 519 case B9600: 520 case B19200: 521 case B38400: 522 case B57600: 523 case B115200: 524 case B230400: 525 value = B230400 / speed; 526 break; 527 default: 528 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 529 "forcing default of 9600\n", 530 sc->sc_dev.dv_xname)); 531 value = B230400 / B9600; 532 break; 533 }; 534 535 if (speed == B0) { 536 ubsa_flow(sc, 0, 0); 537 ubsa_dtr(sc, 0); 538 ubsa_rts(sc, 0); 539 } else 540 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 541 } 542 543 void 544 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 545 { 546 int value; 547 548 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 549 550 if (cflag & PARENB) 551 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 552 else 553 value = UBSA_PARITY_NONE; 554 555 ubsa_request(sc, UBSA_SET_PARITY, value); 556 } 557 558 void 559 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 560 { 561 int value; 562 563 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 564 565 switch (cflag & CSIZE) { 566 case CS5: value = 0; break; 567 case CS6: value = 1; break; 568 case CS7: value = 2; break; 569 case CS8: value = 3; break; 570 default: 571 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 572 "forcing default of 8\n", 573 sc->sc_dev.dv_xname)); 574 value = 3; 575 } 576 577 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 578 } 579 580 void 581 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 582 { 583 int value; 584 585 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 586 587 value = (cflag & CSTOPB) ? 1 : 0; 588 589 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 590 } 591 592 void 593 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 594 { 595 int value; 596 597 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 598 599 value = 0; 600 if (cflag & CRTSCTS) 601 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 602 if (iflag & (IXON|IXOFF)) 603 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 604 605 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 606 } 607 608 int 609 ubsa_param(void *addr, int portno, struct termios *ti) 610 { 611 struct ubsa_softc *sc = addr; 612 613 DPRINTF(("ubsa_param: sc = %p\n", sc)); 614 615 ubsa_baudrate(sc, ti->c_ospeed); 616 ubsa_parity(sc, ti->c_cflag); 617 ubsa_databits(sc, ti->c_cflag); 618 ubsa_stopbits(sc, ti->c_cflag); 619 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 620 621 return (0); 622 } 623 624 int 625 ubsa_open(void *addr, int portno) 626 { 627 struct ubsa_softc *sc = addr; 628 int err; 629 630 if (sc->sc_dying) 631 return (ENXIO); 632 633 DPRINTF(("ubsa_open: sc = %p\n", sc)); 634 635 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 636 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 637 err = usbd_open_pipe_intr(sc->sc_iface, 638 sc->sc_intr_number, 639 USBD_SHORT_XFER_OK, 640 &sc->sc_intr_pipe, 641 sc, 642 sc->sc_intr_buf, 643 sc->sc_isize, 644 ubsa_intr, 645 UBSA_INTR_INTERVAL); 646 if (err) { 647 printf("%s: cannot open interrupt pipe (addr %d)\n", 648 sc->sc_dev.dv_xname, 649 sc->sc_intr_number); 650 return (EIO); 651 } 652 } 653 654 return (0); 655 } 656 657 void 658 ubsa_close(void *addr, int portno) 659 { 660 struct ubsa_softc *sc = addr; 661 int err; 662 663 if (sc->sc_dying) 664 return; 665 666 DPRINTF(("ubsa_close: close\n")); 667 668 if (sc->sc_intr_pipe != NULL) { 669 err = usbd_abort_pipe(sc->sc_intr_pipe); 670 if (err) 671 printf("%s: abort interrupt pipe failed: %s\n", 672 sc->sc_dev.dv_xname, 673 usbd_errstr(err)); 674 err = usbd_close_pipe(sc->sc_intr_pipe); 675 if (err) 676 printf("%s: close interrupt pipe failed: %s\n", 677 sc->sc_dev.dv_xname, 678 usbd_errstr(err)); 679 free(sc->sc_intr_buf, M_USBDEV); 680 sc->sc_intr_pipe = NULL; 681 } 682 } 683 684 void 685 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 686 { 687 struct ubsa_softc *sc = priv; 688 u_char *buf; 689 usb_cdc_notification_t *cdcbuf; 690 691 buf = sc->sc_intr_buf; 692 cdcbuf = (usb_cdc_notification_t *)sc->sc_intr_buf; 693 if (sc->sc_dying) 694 return; 695 696 if (status != USBD_NORMAL_COMPLETION) { 697 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 698 return; 699 700 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 701 sc->sc_dev.dv_xname, usbd_errstr(status))); 702 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 703 return; 704 } 705 706 #if 1 /* test */ 707 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 708 printf("%s: this device is using CDC notify message in" 709 " intr pipe.\n" 710 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 711 sc->sc_dev.dv_xname); 712 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 713 sc->sc_dev.dv_xname, 714 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 715 716 /* check the buffer data */ 717 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 718 printf("%s:notify serial state, len=%d, data=0x%02x\n", 719 sc->sc_dev.dv_xname, 720 UGETW(cdcbuf->wLength), cdcbuf->data[0]); 721 } 722 #endif 723 724 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 725 sc->sc_lsr = buf[2]; 726 sc->sc_msr = buf[3]; 727 728 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 729 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 730 731 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 732 } 733 734 void 735 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 736 { 737 struct ubsa_softc *sc = addr; 738 739 DPRINTF(("ubsa_get_status\n")); 740 741 if (lsr != NULL) 742 *lsr = sc->sc_lsr; 743 if (msr != NULL) 744 *msr = sc->sc_msr; 745 } 746