ubsa.c revision 1.3
1 /* $NetBSD: ubsa.c,v 1.3 2002/10/27 20:16:41 augustss Exp $ */ 2 /*- 3 * Copyright (c) 2002, Alexander Kabaev <kan.FreeBSD.org>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 /* 28 * Copyright (c) 2001 The NetBSD Foundation, Inc. 29 * All rights reserved. 30 * 31 * This code is derived from software contributed to The NetBSD Foundation 32 * by Ichiro FUKUHARA (ichiro (at) ichiro.org). 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed by the NetBSD 45 * Foundation, Inc. and its contributors. 46 * 4. Neither the name of The NetBSD Foundation nor the names of its 47 * contributors may be used to endorse or promote products derived 48 * from this software without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 51 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 52 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 53 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 54 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 57 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 58 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 59 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 60 * POSSIBILITY OF SUCH DAMAGE. 61 */ 62 63 #include <sys/cdefs.h> 64 65 #include <sys/param.h> 66 #include <sys/systm.h> 67 #include <sys/kernel.h> 68 #include <sys/malloc.h> 69 #ifdef __FreeBSD__ 70 #include <sys/bus.h> 71 #endif 72 #include <sys/ioccom.h> 73 #include <sys/fcntl.h> 74 #include <sys/conf.h> 75 #include <sys/tty.h> 76 #include <sys/file.h> 77 #if __FreeBSD_version >= 500014 78 #include <sys/selinfo.h> 79 #else 80 #include <sys/select.h> 81 #endif 82 #include <sys/proc.h> 83 #include <sys/vnode.h> 84 #include <sys/poll.h> 85 #include <sys/sysctl.h> 86 87 #include <dev/usb/usb.h> 88 #include <dev/usb/usbcdc.h> 89 90 #include <dev/usb/usbdi.h> 91 #include <dev/usb/usbdi_util.h> 92 #include <dev/usb/usbdevs.h> 93 #include <dev/usb/usb_quirks.h> 94 95 #include <dev/usb/ucomvar.h> 96 97 #ifdef UBSA_DEBUG 98 Static int ubsadebug = 0; 99 #ifdef __FreeBSD__ 100 SYSCTL_NODE(_hw_usb, OID_AUTO, ubsa, CTLFLAG_RW, 0, "USB ubsa"); 101 SYSCTL_INT(_hw_usb_ubsa, OID_AUTO, debug, CTLFLAG_RW, 102 &ubsadebug, 0, "ubsa debug level"); 103 #endif 104 105 #define DPRINTFN(n, x) do { \ 106 if (ubsadebug > (n)) \ 107 logprintf x; \ 108 } while (0) 109 #else 110 #define DPRINTFN(n, x) 111 #endif 112 #define DPRINTF(x) DPRINTFN(0, x) 113 114 #define UBSA_MODVER 1 /* module version */ 115 116 #define UBSA_CONFIG_INDEX 1 117 #define UBSA_IFACE_INDEX 0 118 119 #define UBSA_INTR_INTERVAL 100 /* ms */ 120 121 #define UBSA_SET_BAUDRATE 0x00 122 #define UBSA_SET_STOP_BITS 0x01 123 #define UBSA_SET_DATA_BITS 0x02 124 #define UBSA_SET_PARITY 0x03 125 #define UBSA_SET_DTR 0x0A 126 #define UBSA_SET_RTS 0x0B 127 #define UBSA_SET_BREAK 0x0C 128 #define UBSA_SET_FLOW_CTRL 0x10 129 130 #define UBSA_PARITY_NONE 0x00 131 #define UBSA_PARITY_EVEN 0x01 132 #define UBSA_PARITY_ODD 0x02 133 #define UBSA_PARITY_MARK 0x03 134 #define UBSA_PARITY_SPACE 0x04 135 136 #define UBSA_FLOW_NONE 0x0000 137 #define UBSA_FLOW_OCTS 0x0001 138 #define UBSA_FLOW_ODSR 0x0002 139 #define UBSA_FLOW_IDSR 0x0004 140 #define UBSA_FLOW_IDTR 0x0008 141 #define UBSA_FLOW_IRTS 0x0010 142 #define UBSA_FLOW_ORTS 0x0020 143 #define UBSA_FLOW_UNKNOWN 0x0040 144 #define UBSA_FLOW_OXON 0x0080 145 #define UBSA_FLOW_IXON 0x0100 146 147 /* line status register */ 148 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 149 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 150 #define UBSA_LSR_BI 0x10 /* Break detected */ 151 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 152 #define UBSA_LSR_PE 0x04 /* Parity error */ 153 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 154 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 155 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 156 157 /* modem status register */ 158 /* All deltas are from the last read of the MSR. */ 159 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 160 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 161 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 162 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 163 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 164 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 165 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 166 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 167 168 struct ubsa_softc { 169 USBBASEDEVICE sc_dev; /* base device */ 170 usbd_device_handle sc_udev; /* USB device */ 171 usbd_interface_handle sc_iface; /* interface */ 172 173 int sc_iface_number; /* interface number */ 174 175 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 176 int sc_intr_number; /* interrupt number */ 177 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 178 u_char *sc_intr_buf; /* interrupt buffer */ 179 int sc_isize; 180 181 u_char sc_dtr; /* current DTR state */ 182 u_char sc_rts; /* current RTS state */ 183 184 u_char sc_lsr; /* Local status register */ 185 u_char sc_msr; /* ubsa status register */ 186 187 device_ptr_t sc_subdev; /* ucom device */ 188 189 u_char sc_dying; /* disconnecting */ 190 191 }; 192 193 Static void ubsa_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 194 195 Static void ubsa_get_status(void *, int, u_char *, u_char *); 196 Static void ubsa_set(void *, int, int, int); 197 Static int ubsa_param(void *, int, struct termios *); 198 Static int ubsa_open(void *, int); 199 Static void ubsa_close(void *, int); 200 201 Static void ubsa_break(struct ubsa_softc *sc, int onoff); 202 Static int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 203 Static void ubsa_dtr(struct ubsa_softc *, int); 204 Static void ubsa_rts(struct ubsa_softc *, int); 205 Static void ubsa_baudrate(struct ubsa_softc *, speed_t); 206 Static void ubsa_parity(struct ubsa_softc *, tcflag_t); 207 Static void ubsa_databits(struct ubsa_softc *, tcflag_t); 208 Static void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 209 Static void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 210 211 struct ucom_methods ubsa_methods = { 212 ubsa_get_status, 213 ubsa_set, 214 ubsa_param, 215 NULL, 216 ubsa_open, 217 ubsa_close, 218 NULL, 219 NULL 220 }; 221 222 Static const struct usb_devno ubsa_devs[] = { 223 /* BELKIN F5U103 */ 224 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 225 /* BELKIN F5U120 */ 226 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 227 /* GoHubs GO-COM232 */ 228 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 229 /* GoHubs GO-COM232 */ 230 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 231 /* Peracom */ 232 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 233 }; 234 #define ubsa_lookup(v, p) usb_lookup(ubsa_devs, v, p) 235 236 USB_DECLARE_DRIVER(ubsa); 237 238 USB_MATCH(ubsa) 239 { 240 USB_MATCH_START(ubsa, uaa); 241 242 if (uaa->iface != NULL) 243 return (UMATCH_NONE); 244 245 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 246 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 247 } 248 249 USB_ATTACH(ubsa) 250 { 251 USB_ATTACH_START(ubsa, sc, uaa); 252 usbd_device_handle dev = uaa->device; 253 usb_config_descriptor_t *cdesc; 254 usb_interface_descriptor_t *id; 255 usb_endpoint_descriptor_t *ed; 256 char devinfo[1024]; 257 const char *devname = USBDEVNAME(sc->sc_dev); 258 usbd_status err; 259 struct ucom_attach_args uca; 260 int i; 261 262 usbd_devinfo(dev, 0, devinfo); 263 USB_ATTACH_SETUP; 264 printf("%s: %s\n", devname, devinfo); 265 266 sc->sc_udev = dev; 267 268 /* 269 * initialize rts, dtr variables to something 270 * different from boolean 0, 1 271 */ 272 sc->sc_dtr = -1; 273 sc->sc_rts = -1; 274 275 printf("%s: %s\n", devname, devinfo); 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 USBDEVNAME(sc->sc_dev), 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 USBDEV(sc->sc_dev)); 372 373 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 374 uca.bulkin_no, uca.bulkout_no, sc->sc_intr_number)); 375 376 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 377 378 USB_ATTACH_SUCCESS_RETURN; 379 380 error: 381 free(devinfo, M_USBDEV); 382 USB_ATTACH_ERROR_RETURN; 383 } 384 385 USB_DETACH(ubsa) 386 { 387 USB_DETACH_START(ubsa, sc); 388 int rv; 389 390 391 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 392 393 if (sc->sc_intr_pipe != NULL) { 394 usbd_abort_pipe(sc->sc_intr_pipe); 395 usbd_close_pipe(sc->sc_intr_pipe); 396 free(sc->sc_intr_buf, M_USBDEV); 397 sc->sc_intr_pipe = NULL; 398 } 399 400 sc->sc_dying = 1; 401 if (sc->sc_subdev != NULL) { 402 rv = config_detach(sc->sc_subdev, flags); 403 sc->sc_subdev = NULL; 404 } 405 406 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 407 USBDEV(sc->sc_dev)); 408 409 return (rv); 410 } 411 412 int 413 ubsa_activate(device_ptr_t self, enum devact act) 414 { 415 struct ubsa_softc *sc = (struct ubsa_softc *)self; 416 int rv = 0; 417 418 switch (act) { 419 case DVACT_ACTIVATE: 420 return (EOPNOTSUPP); 421 422 case DVACT_DEACTIVATE: 423 if (sc->sc_subdev != NULL) 424 rv = config_deactivate(sc->sc_subdev); 425 sc->sc_dying = 1; 426 break; 427 } 428 return (rv); 429 } 430 431 Static int 432 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 433 { 434 usb_device_request_t req; 435 usbd_status err; 436 437 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 438 req.bRequest = request; 439 USETW(req.wValue, value); 440 USETW(req.wIndex, sc->sc_iface_number); 441 USETW(req.wLength, 0); 442 443 err = usbd_do_request(sc->sc_udev, &req, 0); 444 if (err) 445 printf("%s: ubsa_request: %s\n", 446 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 447 return (err); 448 } 449 450 Static void 451 ubsa_dtr(struct ubsa_softc *sc, int onoff) 452 { 453 454 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 455 456 if (sc->sc_dtr == onoff) 457 return; 458 sc->sc_dtr = onoff; 459 460 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 461 } 462 463 Static void 464 ubsa_rts(struct ubsa_softc *sc, int onoff) 465 { 466 467 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 468 469 if (sc->sc_rts == onoff) 470 return; 471 sc->sc_rts = onoff; 472 473 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 474 } 475 476 Static void 477 ubsa_break(struct ubsa_softc *sc, int onoff) 478 { 479 480 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 481 482 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 483 } 484 485 Static void 486 ubsa_set(void *addr, int portno, int reg, int onoff) 487 { 488 struct ubsa_softc *sc; 489 490 sc = addr; 491 switch (reg) { 492 case UCOM_SET_DTR: 493 ubsa_dtr(sc, onoff); 494 break; 495 case UCOM_SET_RTS: 496 ubsa_rts(sc, onoff); 497 break; 498 case UCOM_SET_BREAK: 499 ubsa_break(sc, onoff); 500 break; 501 default: 502 break; 503 } 504 } 505 506 Static void 507 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 508 { 509 u_int16_t value = 0; 510 511 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 512 513 switch(speed) { 514 case B0: 515 break; 516 case B300: 517 case B600: 518 case B1200: 519 case B2400: 520 case B4800: 521 case B9600: 522 case B19200: 523 case B38400: 524 case B57600: 525 case B115200: 526 case B230400: 527 value = B230400 / speed; 528 break; 529 default: 530 printf("%s: ubsa_param: unsupported baudrate, " 531 "forcing default of 9600\n", 532 USBDEVNAME(sc->sc_dev)); 533 value = B230400 / B9600; 534 break; 535 }; 536 537 if (speed == B0) { 538 ubsa_flow(sc, 0, 0); 539 ubsa_dtr(sc, 0); 540 ubsa_rts(sc, 0); 541 } else 542 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 543 } 544 545 Static void 546 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 547 { 548 int value; 549 550 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 551 552 if (cflag & PARENB) 553 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 554 else 555 value = UBSA_PARITY_NONE; 556 557 ubsa_request(sc, UBSA_SET_PARITY, value); 558 } 559 560 Static void 561 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 562 { 563 int value; 564 565 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 566 567 switch (cflag & CSIZE) { 568 case CS5: value = 0; break; 569 case CS6: value = 1; break; 570 case CS7: value = 2; break; 571 case CS8: value = 3; break; 572 default: 573 printf("%s: ubsa_param: unsupported databits requested, " 574 "forcing default of 8\n", 575 USBDEVNAME(sc->sc_dev)); 576 value = 3; 577 } 578 579 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 580 } 581 582 Static void 583 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 584 { 585 int value; 586 587 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 588 589 value = (cflag & CSTOPB) ? 1 : 0; 590 591 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 592 } 593 594 Static void 595 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 596 { 597 int value; 598 599 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 600 601 value = 0; 602 if (cflag & CRTSCTS) 603 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 604 if (iflag & (IXON|IXOFF)) 605 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 606 607 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 608 } 609 610 Static int 611 ubsa_param(void *addr, int portno, struct termios *ti) 612 { 613 struct ubsa_softc *sc = addr; 614 615 DPRINTF(("ubsa_param: sc = %p\n", sc)); 616 617 ubsa_baudrate(sc, ti->c_ospeed); 618 ubsa_parity(sc, ti->c_cflag); 619 ubsa_databits(sc, ti->c_cflag); 620 ubsa_stopbits(sc, ti->c_cflag); 621 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 622 623 return (0); 624 } 625 626 Static int 627 ubsa_open(void *addr, int portno) 628 { 629 struct ubsa_softc *sc = addr; 630 int err; 631 632 if (sc->sc_dying) 633 return (ENXIO); 634 635 DPRINTF(("ubsa_open: sc = %p\n", sc)); 636 637 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 638 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 639 err = usbd_open_pipe_intr(sc->sc_intr_iface, 640 sc->sc_intr_number, 641 USBD_SHORT_XFER_OK, 642 &sc->sc_intr_pipe, 643 sc, 644 sc->sc_intr_buf, 645 sc->sc_isize, 646 ubsa_intr, 647 UBSA_INTR_INTERVAL); 648 if (err) { 649 printf("%s: cannot open interrupt pipe (addr %d)\n", 650 USBDEVNAME(sc->sc_dev), 651 sc->sc_intr_number); 652 return (EIO); 653 } 654 } 655 656 return (0); 657 } 658 659 Static void 660 ubsa_close(void *addr, int portno) 661 { 662 struct ubsa_softc *sc = addr; 663 int err; 664 665 if (sc->sc_dying) 666 return; 667 668 DPRINTF(("ubsa_close: close\n")); 669 670 if (sc->sc_intr_pipe != NULL) { 671 err = usbd_abort_pipe(sc->sc_intr_pipe); 672 if (err) 673 printf("%s: abort interrupt pipe failed: %s\n", 674 USBDEVNAME(sc->sc_dev), 675 usbd_errstr(err)); 676 err = usbd_close_pipe(sc->sc_intr_pipe); 677 if (err) 678 printf("%s: close interrupt pipe failed: %s\n", 679 USBDEVNAME(sc->sc_dev), 680 usbd_errstr(err)); 681 free(sc->sc_intr_buf, M_USBDEV); 682 sc->sc_intr_pipe = NULL; 683 } 684 } 685 686 Static void 687 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 688 { 689 struct ubsa_softc *sc = priv; 690 u_char *buf; 691 692 buf = 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 USBDEVNAME(sc->sc_ucom.sc_dev), 702 usbd_errstr(status))); 703 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 704 return; 705 } 706 707 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 708 sc->sc_lsr = buf[2]; 709 sc->sc_msr = buf[3]; 710 711 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 712 USBDEVNAME(sc->sc_ucom.sc_dev), sc->sc_lsr, sc->sc_msr)); 713 714 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 715 } 716 717 Static void 718 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 719 { 720 struct ubsa_softc *sc = addr; 721 722 DPRINTF(("ubsa_get_status\n")); 723 724 if (lsr != NULL) 725 *lsr = sc->sc_lsr; 726 if (msr != NULL) 727 *msr = sc->sc_msr; 728 } 729
Indexes created Fri Sep 26 20:09:58 GMT 2025