1 /* $OpenBSD: ubsa.c,v 1.36 2008/07/20 14:24:49 yuo 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 /* AnyDATA ADU-E100H */ 207 { USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_E100H }, 208 /* Axesstel MV100H */ 209 { USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM }, 210 /* BELKIN F5U103 */ 211 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 212 /* BELKIN F5U120 */ 213 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 214 /* GoHubs GO-COM232 , Belkin F5U003 */ 215 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 216 /* GoHubs GO-COM232 */ 217 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 218 /* Novatel Wireless U740 */ 219 { USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINU740 }, 220 /* Option Vodafone Mobile Connect 3G */ 221 { USB_VENDOR_OPTION, USB_PRODUCT_OPTION_VODAFONEMC3G }, 222 /* Option GlobeTrotter 3G FUSION */ 223 { USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GFUSION }, 224 /* Option GlobeTrotter 3G QUAD */ 225 { USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GQUAD }, 226 /* Option GlobeTrotter 3G QUAD PLUS */ 227 { USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GQUADPLUS }, 228 /* Peracom */ 229 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 230 /* Qualcomm Inc. ZTE CMDMA MSM modem */ 231 { USB_VENDOR_QUALCOMM3, USB_PRODUCT_QUALCOMM3_CDMA_MSM }, 232 }; 233 #define ubsa_lookup(v, p) usb_lookup(ubsa_devs, v, p) 234 235 int ubsa_match(struct device *, void *, void *); 236 void ubsa_attach(struct device *, struct device *, void *); 237 int ubsa_detach(struct device *, int); 238 int ubsa_activate(struct device *, enum devact); 239 240 struct cfdriver ubsa_cd = { 241 NULL, "ubsa", DV_DULL 242 }; 243 244 const struct cfattach ubsa_ca = { 245 sizeof(struct ubsa_softc), 246 ubsa_match, 247 ubsa_attach, 248 ubsa_detach, 249 ubsa_activate, 250 }; 251 252 int 253 ubsa_match(struct device *parent, void *match, void *aux) 254 { 255 struct usb_attach_arg *uaa = aux; 256 257 if (uaa->iface != NULL) 258 return (UMATCH_NONE); 259 260 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 261 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 262 } 263 264 void 265 ubsa_attach(struct device *parent, struct device *self, void *aux) 266 { 267 struct ubsa_softc *sc = (struct ubsa_softc *)self; 268 struct usb_attach_arg *uaa = aux; 269 usbd_device_handle dev = uaa->device; 270 usb_config_descriptor_t *cdesc; 271 usb_interface_descriptor_t *id; 272 usb_endpoint_descriptor_t *ed; 273 const char *devname = sc->sc_dev.dv_xname; 274 usbd_status err; 275 struct ucom_attach_args uca; 276 int i; 277 278 sc->sc_udev = dev; 279 280 /* 281 * initialize rts, dtr variables to something 282 * different from boolean 0, 1 283 */ 284 sc->sc_dtr = -1; 285 sc->sc_rts = -1; 286 287 DPRINTF(("ubsa attach: sc = %p\n", sc)); 288 289 /* initialize endpoints */ 290 uca.bulkin = uca.bulkout = -1; 291 sc->sc_intr_number = -1; 292 sc->sc_intr_pipe = NULL; 293 294 /* Move the device into the configured state. */ 295 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 296 if (err) { 297 printf("%s: failed to set configuration: %s\n", 298 devname, usbd_errstr(err)); 299 sc->sc_dying = 1; 300 goto error; 301 } 302 303 /* get the config descriptor */ 304 cdesc = usbd_get_config_descriptor(sc->sc_udev); 305 306 if (cdesc == NULL) { 307 printf("%s: failed to get configuration descriptor\n", 308 devname); 309 sc->sc_dying = 1; 310 goto error; 311 } 312 313 /* get the first interface */ 314 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 315 &sc->sc_iface); 316 if (err) { 317 printf("%s: failed to get interface: %s\n", 318 devname, usbd_errstr(err)); 319 sc->sc_dying = 1; 320 goto error; 321 } 322 323 /* Find the endpoints */ 324 325 id = usbd_get_interface_descriptor(sc->sc_iface); 326 sc->sc_iface_number = id->bInterfaceNumber; 327 328 for (i = 0; i < id->bNumEndpoints; i++) { 329 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 330 if (ed == NULL) { 331 printf("%s: no endpoint descriptor for %d\n", 332 sc->sc_dev.dv_xname, i); 333 sc->sc_dying = 1; 334 goto error; 335 } 336 337 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 338 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 339 sc->sc_intr_number = ed->bEndpointAddress; 340 sc->sc_isize = UGETW(ed->wMaxPacketSize); 341 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 342 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 343 uca.bulkin = ed->bEndpointAddress; 344 uca.ibufsize = UGETW(ed->wMaxPacketSize); 345 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 346 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 347 uca.bulkout = ed->bEndpointAddress; 348 uca.obufsize = UGETW(ed->wMaxPacketSize); 349 } 350 } 351 352 if (sc->sc_intr_number == -1) { 353 printf("%s: Could not find interrupt in\n", devname); 354 sc->sc_dying = 1; 355 goto error; 356 } 357 358 if (uca.bulkin == -1) { 359 printf("%s: Could not find data bulk in\n", devname); 360 sc->sc_dying = 1; 361 goto error; 362 } 363 364 if (uca.bulkout == -1) { 365 printf("%s: Could not find data bulk out\n", devname); 366 sc->sc_dying = 1; 367 goto error; 368 } 369 370 uca.portno = UCOM_UNK_PORTNO; 371 /* bulkin, bulkout set above */ 372 uca.ibufsizepad = uca.ibufsize; 373 uca.opkthdrlen = 0; 374 uca.device = dev; 375 uca.iface = sc->sc_iface; 376 uca.methods = &ubsa_methods; 377 uca.arg = sc; 378 uca.info = NULL; 379 380 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 381 &sc->sc_dev); 382 383 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 384 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 385 386 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 387 388 error: 389 return; 390 } 391 392 int 393 ubsa_detach(struct device *self, int flags) 394 { 395 struct ubsa_softc *sc = (struct ubsa_softc *)self; 396 int rv = 0; 397 398 399 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 400 401 if (sc->sc_intr_pipe != NULL) { 402 usbd_abort_pipe(sc->sc_intr_pipe); 403 usbd_close_pipe(sc->sc_intr_pipe); 404 free(sc->sc_intr_buf, M_USBDEV); 405 sc->sc_intr_pipe = NULL; 406 } 407 408 sc->sc_dying = 1; 409 if (sc->sc_subdev != NULL) { 410 rv = config_detach(sc->sc_subdev, flags); 411 sc->sc_subdev = NULL; 412 } 413 414 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 415 &sc->sc_dev); 416 417 return (rv); 418 } 419 420 int 421 ubsa_activate(struct device *self, enum devact act) 422 { 423 struct ubsa_softc *sc = (struct ubsa_softc *)self; 424 int rv = 0; 425 426 switch (act) { 427 case DVACT_ACTIVATE: 428 break; 429 430 case DVACT_DEACTIVATE: 431 if (sc->sc_subdev != NULL) 432 rv = config_deactivate(sc->sc_subdev); 433 sc->sc_dying = 1; 434 break; 435 } 436 return (rv); 437 } 438 439 int 440 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 441 { 442 usb_device_request_t req; 443 usbd_status err; 444 445 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 446 req.bRequest = request; 447 USETW(req.wValue, value); 448 USETW(req.wIndex, sc->sc_iface_number); 449 USETW(req.wLength, 0); 450 451 err = usbd_do_request(sc->sc_udev, &req, 0); 452 if (err && err != USBD_STALLED) 453 printf("%s: ubsa_request: %s\n", 454 sc->sc_dev.dv_xname, usbd_errstr(err)); 455 return (err); 456 } 457 458 void 459 ubsa_dtr(struct ubsa_softc *sc, int onoff) 460 { 461 462 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 463 464 if (sc->sc_dtr == onoff) 465 return; 466 sc->sc_dtr = onoff; 467 468 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 469 } 470 471 void 472 ubsa_rts(struct ubsa_softc *sc, int onoff) 473 { 474 475 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 476 477 if (sc->sc_rts == onoff) 478 return; 479 sc->sc_rts = onoff; 480 481 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 482 } 483 484 void 485 ubsa_break(struct ubsa_softc *sc, int onoff) 486 { 487 488 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 489 490 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 491 } 492 493 void 494 ubsa_set(void *addr, int portno, int reg, int onoff) 495 { 496 struct ubsa_softc *sc; 497 498 sc = addr; 499 switch (reg) { 500 case UCOM_SET_DTR: 501 ubsa_dtr(sc, onoff); 502 break; 503 case UCOM_SET_RTS: 504 ubsa_rts(sc, onoff); 505 break; 506 case UCOM_SET_BREAK: 507 ubsa_break(sc, onoff); 508 break; 509 default: 510 break; 511 } 512 } 513 514 void 515 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 516 { 517 u_int16_t value = 0; 518 519 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 520 521 switch(speed) { 522 case B0: 523 break; 524 case B300: 525 case B600: 526 case B1200: 527 case B2400: 528 case B4800: 529 case B9600: 530 case B19200: 531 case B38400: 532 case B57600: 533 case B115200: 534 case B230400: 535 value = B230400 / speed; 536 break; 537 default: 538 DPRINTF(("%s: ubsa_param: unsupported baudrate, " 539 "forcing default of 9600\n", 540 sc->sc_dev.dv_xname)); 541 value = B230400 / B9600; 542 break; 543 }; 544 545 if (speed == B0) { 546 ubsa_flow(sc, 0, 0); 547 ubsa_dtr(sc, 0); 548 ubsa_rts(sc, 0); 549 } else 550 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 551 } 552 553 void 554 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 555 { 556 int value; 557 558 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 559 560 if (cflag & PARENB) 561 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 562 else 563 value = UBSA_PARITY_NONE; 564 565 ubsa_request(sc, UBSA_SET_PARITY, value); 566 } 567 568 void 569 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 570 { 571 int value; 572 573 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 574 575 switch (cflag & CSIZE) { 576 case CS5: value = 0; break; 577 case CS6: value = 1; break; 578 case CS7: value = 2; break; 579 case CS8: value = 3; break; 580 default: 581 DPRINTF(("%s: ubsa_param: unsupported databits requested, " 582 "forcing default of 8\n", 583 sc->sc_dev.dv_xname)); 584 value = 3; 585 } 586 587 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 588 } 589 590 void 591 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 592 { 593 int value; 594 595 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 596 597 value = (cflag & CSTOPB) ? 1 : 0; 598 599 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 600 } 601 602 void 603 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 604 { 605 int value; 606 607 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 608 609 value = 0; 610 if (cflag & CRTSCTS) 611 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 612 if (iflag & (IXON|IXOFF)) 613 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 614 615 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 616 } 617 618 int 619 ubsa_param(void *addr, int portno, struct termios *ti) 620 { 621 struct ubsa_softc *sc = addr; 622 623 DPRINTF(("ubsa_param: sc = %p\n", sc)); 624 625 ubsa_baudrate(sc, ti->c_ospeed); 626 ubsa_parity(sc, ti->c_cflag); 627 ubsa_databits(sc, ti->c_cflag); 628 ubsa_stopbits(sc, ti->c_cflag); 629 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 630 631 return (0); 632 } 633 634 int 635 ubsa_open(void *addr, int portno) 636 { 637 struct ubsa_softc *sc = addr; 638 int err; 639 640 if (sc->sc_dying) 641 return (ENXIO); 642 643 DPRINTF(("ubsa_open: sc = %p\n", sc)); 644 645 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 646 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 647 err = usbd_open_pipe_intr(sc->sc_iface, 648 sc->sc_intr_number, 649 USBD_SHORT_XFER_OK, 650 &sc->sc_intr_pipe, 651 sc, 652 sc->sc_intr_buf, 653 sc->sc_isize, 654 ubsa_intr, 655 UBSA_INTR_INTERVAL); 656 if (err) { 657 printf("%s: cannot open interrupt pipe (addr %d)\n", 658 sc->sc_dev.dv_xname, 659 sc->sc_intr_number); 660 return (EIO); 661 } 662 } 663 664 return (0); 665 } 666 667 void 668 ubsa_close(void *addr, int portno) 669 { 670 struct ubsa_softc *sc = addr; 671 int err; 672 673 if (sc->sc_dying) 674 return; 675 676 DPRINTF(("ubsa_close: close\n")); 677 678 if (sc->sc_intr_pipe != NULL) { 679 err = usbd_abort_pipe(sc->sc_intr_pipe); 680 if (err) 681 printf("%s: abort interrupt pipe failed: %s\n", 682 sc->sc_dev.dv_xname, 683 usbd_errstr(err)); 684 err = usbd_close_pipe(sc->sc_intr_pipe); 685 if (err) 686 printf("%s: close interrupt pipe failed: %s\n", 687 sc->sc_dev.dv_xname, 688 usbd_errstr(err)); 689 free(sc->sc_intr_buf, M_USBDEV); 690 sc->sc_intr_pipe = NULL; 691 } 692 } 693 694 void 695 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 696 { 697 struct ubsa_softc *sc = priv; 698 u_char *buf; 699 usb_cdc_notification_t *cdcbuf; 700 701 buf = sc->sc_intr_buf; 702 cdcbuf = (usb_cdc_notification_t *)sc->sc_intr_buf; 703 if (sc->sc_dying) 704 return; 705 706 if (status != USBD_NORMAL_COMPLETION) { 707 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 708 return; 709 710 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 711 sc->sc_dev.dv_xname, usbd_errstr(status))); 712 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 713 return; 714 } 715 716 #if 1 /* test */ 717 if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) { 718 printf("%s: this device is using CDC notify message in" 719 " intr pipe.\n" 720 "Please send your dmesg to <bugs@openbsd.org>, thanks.\n", 721 sc->sc_dev.dv_xname); 722 printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 723 sc->sc_dev.dv_xname, 724 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); 725 726 /* check the buffer data */ 727 if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE) 728 printf("%s:notify serial state, len=%d, data=0x%02x\n", 729 sc->sc_dev.dv_xname, 730 cdcbuf->wLength, cdcbuf->data[0]); 731 } 732 #endif 733 734 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 735 sc->sc_lsr = buf[2]; 736 sc->sc_msr = buf[3]; 737 738 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 739 sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr)); 740 741 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 742 } 743 744 void 745 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 746 { 747 struct ubsa_softc *sc = addr; 748 749 DPRINTF(("ubsa_get_status\n")); 750 751 if (lsr != NULL) 752 *lsr = sc->sc_lsr; 753 if (msr != NULL) 754 *msr = sc->sc_msr; 755 } 756