1 /* $OpenBSD: ubsa.c,v 1.69 2022/07/02 08:50:42 visa 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 67 #include <dev/usb/usb.h> 68 #include <dev/usb/usbcdc.h> 69 70 #include <dev/usb/usbdi.h> 71 #include <dev/usb/usbdi_util.h> 72 #include <dev/usb/usbdevs.h> 73 74 #include <dev/usb/ucomvar.h> 75 76 #ifdef UBSA_DEBUG 77 int ubsadebug = 0; 78 79 #define DPRINTFN(n, x) do { if (ubsadebug > (n)) printf x; } while (0) 80 #else 81 #define DPRINTFN(n, x) 82 #endif 83 #define DPRINTF(x) DPRINTFN(0, x) 84 85 #define UBSA_MODVER 1 /* module version */ 86 87 #define UBSA_CONFIG_INDEX 1 88 #define UBSA_IFACE_INDEX 0 89 90 #define UBSA_INTR_INTERVAL 100 /* ms */ 91 92 #define UBSA_SET_BAUDRATE 0x00 93 #define UBSA_SET_STOP_BITS 0x01 94 #define UBSA_SET_DATA_BITS 0x02 95 #define UBSA_SET_PARITY 0x03 96 #define UBSA_SET_DTR 0x0A 97 #define UBSA_SET_RTS 0x0B 98 #define UBSA_SET_BREAK 0x0C 99 #define UBSA_SET_FLOW_CTRL 0x10 100 101 #define UBSA_PARITY_NONE 0x00 102 #define UBSA_PARITY_EVEN 0x01 103 #define UBSA_PARITY_ODD 0x02 104 #define UBSA_PARITY_MARK 0x03 105 #define UBSA_PARITY_SPACE 0x04 106 107 #define UBSA_FLOW_NONE 0x0000 108 #define UBSA_FLOW_OCTS 0x0001 109 #define UBSA_FLOW_ODSR 0x0002 110 #define UBSA_FLOW_IDSR 0x0004 111 #define UBSA_FLOW_IDTR 0x0008 112 #define UBSA_FLOW_IRTS 0x0010 113 #define UBSA_FLOW_ORTS 0x0020 114 #define UBSA_FLOW_UNKNOWN 0x0040 115 #define UBSA_FLOW_OXON 0x0080 116 #define UBSA_FLOW_IXON 0x0100 117 118 /* line status register */ 119 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 120 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 121 #define UBSA_LSR_BI 0x10 /* Break detected */ 122 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 123 #define UBSA_LSR_PE 0x04 /* Parity error */ 124 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 125 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 126 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 127 128 /* modem status register */ 129 /* All deltas are from the last read of the MSR. */ 130 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 131 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 132 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 133 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 134 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 135 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 136 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 137 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 138 139 struct ubsa_softc { 140 struct device sc_dev; /* base device */ 141 struct usbd_device *sc_udev; /* USB device */ 142 struct usbd_interface *sc_iface; /* interface */ 143 144 int sc_iface_number; /* interface number */ 145 146 int sc_intr_number; /* interrupt number */ 147 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 148 u_char *sc_intr_buf; /* interrupt buffer */ 149 int sc_isize; 150 151 u_char sc_dtr; /* current DTR state */ 152 u_char sc_rts; /* current RTS state */ 153 154 u_char sc_lsr; /* Local status register */ 155 u_char sc_msr; /* ubsa status register */ 156 157 struct device *sc_subdev; /* ucom device */ 158 159 }; 160 161 void ubsa_intr(struct usbd_xfer *, void *, usbd_status); 162 163 void ubsa_get_status(void *, int, u_char *, u_char *); 164 void ubsa_set(void *, int, int, int); 165 int ubsa_param(void *, int, struct termios *); 166 int ubsa_open(void *, int); 167 void ubsa_close(void *, int); 168 169 void ubsa_break(struct ubsa_softc *sc, int onoff); 170 int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 171 void ubsa_dtr(struct ubsa_softc *, int); 172 void ubsa_rts(struct ubsa_softc *, int); 173 void ubsa_baudrate(struct ubsa_softc *, speed_t); 174 void ubsa_parity(struct ubsa_softc *, tcflag_t); 175 void ubsa_databits(struct ubsa_softc *, tcflag_t); 176 void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 177 void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 178 179 const struct ucom_methods ubsa_methods = { 180 ubsa_get_status, 181 ubsa_set, 182 ubsa_param, 183 NULL, 184 ubsa_open, 185 ubsa_close, 186 NULL, 187 NULL 188 }; 189 190 const struct usb_devno ubsa_devs[] = { 191 /* Axesstel MV100H */ 192 { USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM }, 193 /* BELKIN F5U103 */ 194 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 195 /* BELKIN F5U120 */ 196 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 197 /* GoHubs GO-COM232 , Belkin F5U003 */ 198 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 199 /* GoHubs GO-COM232 */ 200 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 201 /* Peracom */ 202 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 203 /* ZTE Inc. CMDMA MSM modem */ 204 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_CDMA_MSM }, 205 /* ZTE Inc. AC8700 */ 206 { USB_VENDOR_ZTE, USB_PRODUCT_ZTE_AC8700 }, 207 }; 208 209 int ubsa_match(struct device *, void *, void *); 210 void ubsa_attach(struct device *, struct device *, void *); 211 int ubsa_detach(struct device *, int); 212 213 struct cfdriver ubsa_cd = { 214 NULL, "ubsa", DV_DULL 215 }; 216 217 const struct cfattach ubsa_ca = { 218 sizeof(struct ubsa_softc), ubsa_match, ubsa_attach, ubsa_detach 219 }; 220 221 int 222 ubsa_match(struct device *parent, void *match, void *aux) 223 { 224 struct usb_attach_arg *uaa = aux; 225 226 if (uaa->iface != NULL) 227 return (UMATCH_NONE); 228 229 return (usb_lookup(ubsa_devs, uaa->vendor, uaa->product) != NULL ? 230 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 231 } 232 233 void 234 ubsa_attach(struct device *parent, struct device *self, void *aux) 235 { 236 struct ubsa_softc *sc = (struct ubsa_softc *)self; 237 struct usb_attach_arg *uaa = aux; 238 struct usbd_device *dev = uaa->device; 239 usb_config_descriptor_t *cdesc; 240 usb_interface_descriptor_t *id; 241 usb_endpoint_descriptor_t *ed; 242 const char *devname = sc->sc_dev.dv_xname; 243 usbd_status err; 244 struct ucom_attach_args uca; 245 int i; 246 247 sc->sc_udev = dev; 248 249 /* 250 * initialize rts, dtr variables to something 251 * different from boolean 0, 1 252 */ 253 sc->sc_dtr = -1; 254 sc->sc_rts = -1; 255 256 DPRINTF(("ubsa attach: sc = %p\n", sc)); 257 258 /* initialize endpoints */ 259 uca.bulkin = uca.bulkout = -1; 260 sc->sc_intr_number = -1; 261 sc->sc_intr_pipe = NULL; 262 263 /* Move the device into the configured state. */ 264 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 265 if (err) { 266 printf("%s: failed to set configuration: %s\n", 267 devname, usbd_errstr(err)); 268 usbd_deactivate(sc->sc_udev); 269 goto error; 270 } 271 272 /* get the config descriptor */ 273 cdesc = usbd_get_config_descriptor(sc->sc_udev); 274 275 if (cdesc == NULL) { 276 printf("%s: failed to get configuration descriptor\n", 277 devname); 278 usbd_deactivate(sc->sc_udev); 279 goto error; 280 } 281 282 /* get the first interface */ 283 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 284 &sc->sc_iface); 285 if (err) { 286 printf("%s: failed to get interface: %s\n", 287 devname, usbd_errstr(err)); 288 usbd_deactivate(sc->sc_udev); 289 goto error; 290 } 291 292 /* Find the endpoints */ 293 294 id = usbd_get_interface_descriptor(sc->sc_iface); 295 sc->sc_iface_number = id->bInterfaceNumber; 296 297 for (i = 0; i < id->bNumEndpoints; i++) { 298 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 299 if (ed == NULL) { 300 printf("%s: no endpoint descriptor for %d\n", 301 sc->sc_dev.dv_xname, i); 302 usbd_deactivate(sc->sc_udev); 303 goto error; 304 } 305 306 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 307 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 308 sc->sc_intr_number = ed->bEndpointAddress; 309 sc->sc_isize = UGETW(ed->wMaxPacketSize); 310 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 311 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 312 uca.bulkin = ed->bEndpointAddress; 313 uca.ibufsize = UGETW(ed->wMaxPacketSize); 314 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 315 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 316 uca.bulkout = ed->bEndpointAddress; 317 uca.obufsize = UGETW(ed->wMaxPacketSize); 318 } 319 } 320 321 if (sc->sc_intr_number == -1) { 322 printf("%s: Could not find interrupt in\n", devname); 323 usbd_deactivate(sc->sc_udev); 324 goto error; 325 } 326 327 if (uca.bulkin == -1) { 328 printf("%s: Could not find data bulk in\n", devname); 329 usbd_deactivate(sc->sc_udev); 330 goto error; 331 } 332 333 if (uca.bulkout == -1) { 334 printf("%s: Could not find data bulk out\n", devname); 335 usbd_deactivate(sc->sc_udev); 336 goto error; 337 } 338 339 uca.portno = UCOM_UNK_PORTNO; 340 /* bulkin, bulkout set above */ 341 uca.ibufsizepad = uca.ibufsize; 342 uca.opkthdrlen = 0; 343 uca.device = dev; 344 uca.iface = sc->sc_iface; 345 uca.methods = &ubsa_methods; 346 uca.arg = sc; 347 uca.info = NULL; 348 349 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 350 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 351 352 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 353 354 error: 355 return; 356 } 357 358 int 359 ubsa_detach(struct device *self, int flags) 360 { 361 struct ubsa_softc *sc = (struct ubsa_softc *)self; 362 int rv = 0; 363 364 365 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 366 367 if (sc->sc_intr_pipe != NULL) { 368 usbd_close_pipe(sc->sc_intr_pipe); 369 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 370 sc->sc_intr_pipe = NULL; 371 } 372 373 if (sc->sc_subdev != NULL) { 374 rv = config_detach(sc->sc_subdev, flags); 375 sc->sc_subdev = NULL; 376 } 377 378 return (rv); 379 } 380 381 int 382 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 383 { 384 usb_device_request_t req; 385 usbd_status err; 386 387 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 388 req.bRequest = request; 389 USETW(req.wValue, value); 390 USETW(req.wIndex, sc->sc_iface_number); 391 USETW(req.wLength, 0); 392 393 err = usbd_do_request(sc->sc_udev, &req, 0); 394 if (err && err != USBD_STALLED) 395 printf("%s: ubsa_request: %s\n", 396 sc->sc_dev.dv_xname, usbd_errstr(err)); 397 return (err); 398 } 399 400 void 401 ubsa_dtr(struct ubsa_softc *sc, int onoff) 402 { 403 404 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 405 406 if (sc->sc_dtr == onoff) 407 return; 408 sc->sc_dtr = onoff; 409 410 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 411 } 412 413 void 414 ubsa_rts(struct ubsa_softc *sc, int onoff) 415 { 416 417 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 418 419 if (sc->sc_rts == onoff) 420 return; 421 sc->sc_rts = onoff; 422 423 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 424 } 425 426 void 427 ubsa_break(struct ubsa_softc *sc, int onoff) 428 { 429 430 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 431 432 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 433 } 434 435 void 436 ubsa_set(void *addr, int portno, int reg, int onoff) 437 { 438 struct ubsa_softc *sc; 439 440 sc = addr; 441 switch (reg) { 442 case UCOM_SET_DTR: 443 ubsa_dtr(sc, onoff); 444 break; 445 case UCOM_SET_RTS: 446 ubsa_rts(sc, onoff); 447 break; 448 case UCOM_SET_BREAK: 449 ubsa_break(sc, onoff); 450 break; 451 default: 452 break; 453 } 454 } 455 456 void 457 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 458 { 459 u_int16_t value = 0; 460 461 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 462 463 switch(speed) { 464 case B0: 465 break; 466 case B300: 467 case B600: 468 case B1200: 469 case B2400: 470 case B4800: 471 case B9600: 472 case B19200: 473 case B38400: 474 case B57600: 475 case B115200: 476 case B230400: 477 value = B230400 / speed; 478 break; 479 default: 480 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 481 "forcing default of 9600\n", 482 sc->sc_dev.dv_xname)); 483 value = B230400 / B9600; 484 break; 485 }; 486 487 if (speed == B0) { 488 ubsa_flow(sc, 0, 0); 489 ubsa_dtr(sc, 0); 490 ubsa_rts(sc, 0); 491 } else 492 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 493 } 494 495 void 496 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 497 { 498 int value; 499 500 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 501 502 if (cflag & PARENB) 503 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 504 else 505 value = UBSA_PARITY_NONE; 506 507 ubsa_request(sc, UBSA_SET_PARITY, value); 508 } 509 510 void 511 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 512 { 513 int value; 514 515 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 516 517 switch (cflag & CSIZE) { 518 case CS5: value = 0; break; 519 case CS6: value = 1; break; 520 case CS7: value = 2; break; 521 case CS8: value = 3; break; 522 default: 523 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 524 "forcing default of 8\n", 525 sc->sc_dev.dv_xname)); 526 value = 3; 527 } 528 529 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 530 } 531 532 void 533 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 534 { 535 int value; 536 537 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 538 539 value = (cflag & CSTOPB) ? 1 : 0; 540 541 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 542 } 543 544 void 545 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 546 { 547 int value; 548 549 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 550 551 value = 0; 552 if (cflag & CRTSCTS) 553 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 554 if (iflag & (IXON|IXOFF)) 555 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 556 557 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 558 } 559 560 int 561 ubsa_param(void *addr, int portno, struct termios *ti) 562 { 563 struct ubsa_softc *sc = addr; 564 565 DPRINTF(("ubsa_param: sc = %p\n", sc)); 566 567 ubsa_baudrate(sc, ti->c_ospeed); 568 ubsa_parity(sc, ti->c_cflag); 569 ubsa_databits(sc, ti->c_cflag); 570 ubsa_stopbits(sc, ti->c_cflag); 571 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 572 573 return (0); 574 } 575 576 int 577 ubsa_open(void *addr, int portno) 578 { 579 struct ubsa_softc *sc = addr; 580 int err; 581 582 if (usbd_is_dying(sc->sc_udev)) 583 return (ENXIO); 584 585 DPRINTF(("ubsa_open: sc = %p\n", sc)); 586 587 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 588 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 589 err = usbd_open_pipe_intr(sc->sc_iface, 590 sc->sc_intr_number, 591 USBD_SHORT_XFER_OK, 592 &sc->sc_intr_pipe, 593 sc, 594 sc->sc_intr_buf, 595 sc->sc_isize, 596 ubsa_intr, 597 UBSA_INTR_INTERVAL); 598 if (err) { 599 printf("%s: cannot open interrupt pipe (addr %d)\n", 600 sc->sc_dev.dv_xname, 601 sc->sc_intr_number); 602 return (EIO); 603 } 604 } 605 606 return (0); 607 } 608 609 void 610 ubsa_close(void *addr, int portno) 611 { 612 struct ubsa_softc *sc = addr; 613 int err; 614 615 if (usbd_is_dying(sc->sc_udev)) 616 return; 617 618 DPRINTF(("ubsa_close: close\n")); 619 620 if (sc->sc_intr_pipe != NULL) { 621 err = usbd_close_pipe(sc->sc_intr_pipe); 622 if (err) 623 printf("%s: close interrupt pipe failed: %s\n", 624 sc->sc_dev.dv_xname, 625 usbd_errstr(err)); 626 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 627 sc->sc_intr_pipe = NULL; 628 } 629 } 630 631 void 632 ubsa_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 633 { 634 struct ubsa_softc *sc = priv; 635 u_char *buf; 636 struct usb_cdc_notification *cdcbuf; 637 638 buf = sc->sc_intr_buf; 639 cdcbuf = (struct usb_cdc_notification *)sc->sc_intr_buf; 640 if (usbd_is_dying(sc->sc_udev)) 641 return; 642 643 if (status != USBD_NORMAL_COMPLETION) { 644 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 645 return; 646 647 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 648 sc->sc_dev.dv_xname, usbd_errstr(status))); 649 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 650 return; 651 } 652 653 #if 1 /* test */ 654 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 655 printf("%s: this device is using CDC notify message in" 656 " intr pipe.\n" 657 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 658 sc->sc_dev.dv_xname); 659 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 660 sc->sc_dev.dv_xname, 661 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 662 663 /* check the buffer data */ 664 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 665 printf("%s:notify serial state, len=%d, data=0x%02x\n", 666 sc->sc_dev.dv_xname, 667 UGETW(cdcbuf->wLength), cdcbuf->data[0]); 668 } 669 #endif 670 671 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 672 sc->sc_lsr = buf[2]; 673 sc->sc_msr = buf[3]; 674 675 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 676 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 677 678 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 679 } 680 681 void 682 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 683 { 684 struct ubsa_softc *sc = addr; 685 686 DPRINTF(("ubsa_get_status\n")); 687 688 if (lsr != NULL) 689 *lsr = sc->sc_lsr; 690 if (msr != NULL) 691 *msr = sc->sc_msr; 692 } 693