ubsa.c revision 1.5.6.4
1 /* $NetBSD: ubsa.c,v 1.5.6.4 2004/11/14 08:15:57 skrll 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 __KERNEL_RCSID(0, "$NetBSD: ubsa.c,v 1.5.6.4 2004/11/14 08:15:57 skrll Exp $"); 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #include <sys/kernel.h> 69 #include <sys/malloc.h> 70 #ifdef __FreeBSD__ 71 #include <sys/bus.h> 72 #endif 73 #include <sys/ioccom.h> 74 #include <sys/fcntl.h> 75 #include <sys/conf.h> 76 #include <sys/tty.h> 77 #include <sys/file.h> 78 #if __FreeBSD_version >= 500014 79 #include <sys/selinfo.h> 80 #else 81 #include <sys/select.h> 82 #endif 83 #include <sys/proc.h> 84 #include <sys/device.h> 85 #include <sys/poll.h> 86 #include <sys/sysctl.h> 87 88 #include <dev/usb/usb.h> 89 #include <dev/usb/usbcdc.h> 90 91 #include <dev/usb/usbdi.h> 92 #include <dev/usb/usbdi_util.h> 93 #include <dev/usb/usbdevs.h> 94 #include <dev/usb/usb_quirks.h> 95 96 #include <dev/usb/ucomvar.h> 97 98 #ifdef UBSA_DEBUG 99 Static int ubsadebug = 0; 100 #ifdef __FreeBSD__ 101 SYSCTL_NODE(_hw_usb, OID_AUTO, ubsa, CTLFLAG_RW, 0, "USB ubsa"); 102 SYSCTL_INT(_hw_usb_ubsa, OID_AUTO, debug, CTLFLAG_RW, 103 &ubsadebug, 0, "ubsa debug level"); 104 #endif 105 106 #define DPRINTFN(n, x) do { \ 107 if (ubsadebug > (n)) \ 108 logprintf x; \ 109 } while (0) 110 #else 111 #define DPRINTFN(n, x) 112 #endif 113 #define DPRINTF(x) DPRINTFN(0, x) 114 115 #define UBSA_MODVER 1 /* module version */ 116 117 #define UBSA_CONFIG_INDEX 1 118 #define UBSA_IFACE_INDEX 0 119 120 #define UBSA_INTR_INTERVAL 100 /* ms */ 121 122 #define UBSA_SET_BAUDRATE 0x00 123 #define UBSA_SET_STOP_BITS 0x01 124 #define UBSA_SET_DATA_BITS 0x02 125 #define UBSA_SET_PARITY 0x03 126 #define UBSA_SET_DTR 0x0A 127 #define UBSA_SET_RTS 0x0B 128 #define UBSA_SET_BREAK 0x0C 129 #define UBSA_SET_FLOW_CTRL 0x10 130 131 #define UBSA_PARITY_NONE 0x00 132 #define UBSA_PARITY_EVEN 0x01 133 #define UBSA_PARITY_ODD 0x02 134 #define UBSA_PARITY_MARK 0x03 135 #define UBSA_PARITY_SPACE 0x04 136 137 #define UBSA_FLOW_NONE 0x0000 138 #define UBSA_FLOW_OCTS 0x0001 139 #define UBSA_FLOW_ODSR 0x0002 140 #define UBSA_FLOW_IDSR 0x0004 141 #define UBSA_FLOW_IDTR 0x0008 142 #define UBSA_FLOW_IRTS 0x0010 143 #define UBSA_FLOW_ORTS 0x0020 144 #define UBSA_FLOW_UNKNOWN 0x0040 145 #define UBSA_FLOW_OXON 0x0080 146 #define UBSA_FLOW_IXON 0x0100 147 148 /* line status register */ 149 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 150 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 151 #define UBSA_LSR_BI 0x10 /* Break detected */ 152 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 153 #define UBSA_LSR_PE 0x04 /* Parity error */ 154 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 155 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 156 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 157 158 /* modem status register */ 159 /* All deltas are from the last read of the MSR. */ 160 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 161 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 162 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 163 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 164 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 165 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 166 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 167 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 168 169 struct ubsa_softc { 170 USBBASEDEVICE sc_dev; /* base device */ 171 usbd_device_handle sc_udev; /* USB device */ 172 usbd_interface_handle sc_iface; /* interface */ 173 174 int sc_iface_number; /* interface number */ 175 176 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 /* Vodafone */ 234 { USB_VENDOR_VODAFONE, USB_PRODUCT_VODAFONE_MC3G }, 235 }; 236 #define ubsa_lookup(v, p) usb_lookup(ubsa_devs, v, p) 237 238 USB_DECLARE_DRIVER(ubsa); 239 240 USB_MATCH(ubsa) 241 { 242 USB_MATCH_START(ubsa, uaa); 243 244 if (uaa->iface != NULL) 245 return (UMATCH_NONE); 246 247 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 248 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 249 } 250 251 USB_ATTACH(ubsa) 252 { 253 USB_ATTACH_START(ubsa, sc, uaa); 254 usbd_device_handle dev = uaa->device; 255 usb_config_descriptor_t *cdesc; 256 usb_interface_descriptor_t *id; 257 usb_endpoint_descriptor_t *ed; 258 char devinfo[1024]; 259 const char *devname = USBDEVNAME(sc->sc_dev); 260 usbd_status err; 261 struct ucom_attach_args uca; 262 int i; 263 264 usbd_devinfo(dev, 0, devinfo, sizeof(devinfo)); 265 USB_ATTACH_SETUP; 266 printf("%s: %s\n", devname, devinfo); 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 printf("%s: %s\n", devname, devinfo); 278 279 DPRINTF(("ubsa attach: sc = %p\n", sc)); 280 281 /* initialize endpoints */ 282 uca.bulkin = uca.bulkout = -1; 283 sc->sc_intr_number = -1; 284 sc->sc_intr_pipe = NULL; 285 286 /* Move the device into the configured state. */ 287 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 288 if (err) { 289 printf("%s: failed to set configuration: %s\n", 290 devname, usbd_errstr(err)); 291 sc->sc_dying = 1; 292 goto error; 293 } 294 295 /* get the config descriptor */ 296 cdesc = usbd_get_config_descriptor(sc->sc_udev); 297 298 if (cdesc == NULL) { 299 printf("%s: failed to get configuration descriptor\n", 300 devname); 301 sc->sc_dying = 1; 302 goto error; 303 } 304 305 /* get the first interface */ 306 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 307 &sc->sc_iface); 308 if (err) { 309 printf("%s: failed to get interface: %s\n", 310 devname, usbd_errstr(err)); 311 sc->sc_dying = 1; 312 goto error; 313 } 314 315 /* Find the endpoints */ 316 317 id = usbd_get_interface_descriptor(sc->sc_iface); 318 sc->sc_iface_number = id->bInterfaceNumber; 319 320 for (i = 0; i < id->bNumEndpoints; i++) { 321 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 322 if (ed == NULL) { 323 printf("%s: no endpoint descriptor for %d\n", 324 USBDEVNAME(sc->sc_dev), i); 325 sc->sc_dying = 1; 326 goto error; 327 } 328 329 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 330 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 331 sc->sc_intr_number = ed->bEndpointAddress; 332 sc->sc_isize = UGETW(ed->wMaxPacketSize); 333 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 334 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 335 uca.bulkin = ed->bEndpointAddress; 336 uca.ibufsize = UGETW(ed->wMaxPacketSize); 337 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 338 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 339 uca.bulkout = ed->bEndpointAddress; 340 uca.obufsize = UGETW(ed->wMaxPacketSize); 341 } 342 } 343 344 if (sc->sc_intr_number == -1) { 345 printf("%s: Could not find interrupt in\n", devname); 346 sc->sc_dying = 1; 347 goto error; 348 } 349 350 if (uca.bulkin == -1) { 351 printf("%s: Could not find data bulk in\n", devname); 352 sc->sc_dying = 1; 353 goto error; 354 } 355 356 if (uca.bulkout == -1) { 357 printf("%s: Could not find data bulk out\n", devname); 358 sc->sc_dying = 1; 359 goto error; 360 } 361 362 uca.portno = UCOM_UNK_PORTNO; 363 /* bulkin, bulkout set above */ 364 uca.ibufsizepad = uca.ibufsize; 365 uca.opkthdrlen = 0; 366 uca.device = dev; 367 uca.iface = sc->sc_iface; 368 uca.methods = &ubsa_methods; 369 uca.arg = sc; 370 uca.info = NULL; 371 372 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 373 USBDEV(sc->sc_dev)); 374 375 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 376 uca.bulkin_no, uca.bulkout_no, sc->sc_intr_number)); 377 378 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 379 ucomprint, ucomsubmatch); 380 381 USB_ATTACH_SUCCESS_RETURN; 382 383 error: 384 USB_ATTACH_ERROR_RETURN; 385 } 386 387 USB_DETACH(ubsa) 388 { 389 USB_DETACH_START(ubsa, sc); 390 int rv = 0; 391 392 393 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 394 395 if (sc->sc_intr_pipe != NULL) { 396 usbd_abort_pipe(sc->sc_intr_pipe); 397 usbd_close_pipe(sc->sc_intr_pipe); 398 free(sc->sc_intr_buf, M_USBDEV); 399 sc->sc_intr_pipe = NULL; 400 } 401 402 sc->sc_dying = 1; 403 if (sc->sc_subdev != NULL) { 404 rv = config_detach(sc->sc_subdev, flags); 405 sc->sc_subdev = NULL; 406 } 407 408 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 409 USBDEV(sc->sc_dev)); 410 411 return (rv); 412 } 413 414 int 415 ubsa_activate(device_ptr_t self, enum devact act) 416 { 417 struct ubsa_softc *sc = (struct ubsa_softc *)self; 418 int rv = 0; 419 420 switch (act) { 421 case DVACT_ACTIVATE: 422 return (EOPNOTSUPP); 423 424 case DVACT_DEACTIVATE: 425 if (sc->sc_subdev != NULL) 426 rv = config_deactivate(sc->sc_subdev); 427 sc->sc_dying = 1; 428 break; 429 } 430 return (rv); 431 } 432 433 Static int 434 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 435 { 436 usb_device_request_t req; 437 usbd_status err; 438 439 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 440 req.bRequest = request; 441 USETW(req.wValue, value); 442 USETW(req.wIndex, sc->sc_iface_number); 443 USETW(req.wLength, 0); 444 445 err = usbd_do_request(sc->sc_udev, &req, 0); 446 if (err) 447 printf("%s: ubsa_request: %s\n", 448 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 449 return (err); 450 } 451 452 Static void 453 ubsa_dtr(struct ubsa_softc *sc, int onoff) 454 { 455 456 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 457 458 if (sc->sc_dtr == onoff) 459 return; 460 sc->sc_dtr = onoff; 461 462 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 463 } 464 465 Static void 466 ubsa_rts(struct ubsa_softc *sc, int onoff) 467 { 468 469 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 470 471 if (sc->sc_rts == onoff) 472 return; 473 sc->sc_rts = onoff; 474 475 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 476 } 477 478 Static void 479 ubsa_break(struct ubsa_softc *sc, int onoff) 480 { 481 482 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 483 484 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 485 } 486 487 Static void 488 ubsa_set(void *addr, int portno, int reg, int onoff) 489 { 490 struct ubsa_softc *sc; 491 492 sc = addr; 493 switch (reg) { 494 case UCOM_SET_DTR: 495 ubsa_dtr(sc, onoff); 496 break; 497 case UCOM_SET_RTS: 498 ubsa_rts(sc, onoff); 499 break; 500 case UCOM_SET_BREAK: 501 ubsa_break(sc, onoff); 502 break; 503 default: 504 break; 505 } 506 } 507 508 Static void 509 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 510 { 511 u_int16_t value = 0; 512 513 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 514 515 switch(speed) { 516 case B0: 517 break; 518 case B300: 519 case B600: 520 case B1200: 521 case B2400: 522 case B4800: 523 case B9600: 524 case B19200: 525 case B38400: 526 case B57600: 527 case B115200: 528 case B230400: 529 value = B230400 / speed; 530 break; 531 default: 532 printf("%s: ubsa_param: unsupported baudrate, " 533 "forcing default of 9600\n", 534 USBDEVNAME(sc->sc_dev)); 535 value = B230400 / B9600; 536 break; 537 }; 538 539 if (speed == B0) { 540 ubsa_flow(sc, 0, 0); 541 ubsa_dtr(sc, 0); 542 ubsa_rts(sc, 0); 543 } else 544 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 545 } 546 547 Static void 548 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 549 { 550 int value; 551 552 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 553 554 if (cflag & PARENB) 555 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 556 else 557 value = UBSA_PARITY_NONE; 558 559 ubsa_request(sc, UBSA_SET_PARITY, value); 560 } 561 562 Static void 563 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 564 { 565 int value; 566 567 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 568 569 switch (cflag & CSIZE) { 570 case CS5: value = 0; break; 571 case CS6: value = 1; break; 572 case CS7: value = 2; break; 573 case CS8: value = 3; break; 574 default: 575 printf("%s: ubsa_param: unsupported databits requested, " 576 "forcing default of 8\n", 577 USBDEVNAME(sc->sc_dev)); 578 value = 3; 579 } 580 581 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 582 } 583 584 Static void 585 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 586 { 587 int value; 588 589 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 590 591 value = (cflag & CSTOPB) ? 1 : 0; 592 593 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 594 } 595 596 Static void 597 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 598 { 599 int value; 600 601 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 602 603 value = 0; 604 if (cflag & CRTSCTS) 605 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 606 if (iflag & (IXON|IXOFF)) 607 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 608 609 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 610 } 611 612 Static int 613 ubsa_param(void *addr, int portno, struct termios *ti) 614 { 615 struct ubsa_softc *sc = addr; 616 617 DPRINTF(("ubsa_param: sc = %p\n", sc)); 618 619 ubsa_baudrate(sc, ti->c_ospeed); 620 ubsa_parity(sc, ti->c_cflag); 621 ubsa_databits(sc, ti->c_cflag); 622 ubsa_stopbits(sc, ti->c_cflag); 623 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 624 625 return (0); 626 } 627 628 Static int 629 ubsa_open(void *addr, int portno) 630 { 631 struct ubsa_softc *sc = addr; 632 int err; 633 634 if (sc->sc_dying) 635 return (ENXIO); 636 637 DPRINTF(("ubsa_open: sc = %p\n", sc)); 638 639 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 640 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 641 err = usbd_open_pipe_intr(sc->sc_iface, 642 sc->sc_intr_number, 643 USBD_SHORT_XFER_OK, 644 &sc->sc_intr_pipe, 645 sc, 646 sc->sc_intr_buf, 647 sc->sc_isize, 648 ubsa_intr, 649 UBSA_INTR_INTERVAL); 650 if (err) { 651 printf("%s: cannot open interrupt pipe (addr %d)\n", 652 USBDEVNAME(sc->sc_dev), 653 sc->sc_intr_number); 654 return (EIO); 655 } 656 } 657 658 return (0); 659 } 660 661 Static void 662 ubsa_close(void *addr, int portno) 663 { 664 struct ubsa_softc *sc = addr; 665 int err; 666 667 if (sc->sc_dying) 668 return; 669 670 DPRINTF(("ubsa_close: close\n")); 671 672 if (sc->sc_intr_pipe != NULL) { 673 err = usbd_abort_pipe(sc->sc_intr_pipe); 674 if (err) 675 printf("%s: abort interrupt pipe failed: %s\n", 676 USBDEVNAME(sc->sc_dev), 677 usbd_errstr(err)); 678 err = usbd_close_pipe(sc->sc_intr_pipe); 679 if (err) 680 printf("%s: close interrupt pipe failed: %s\n", 681 USBDEVNAME(sc->sc_dev), 682 usbd_errstr(err)); 683 free(sc->sc_intr_buf, M_USBDEV); 684 sc->sc_intr_pipe = NULL; 685 } 686 } 687 688 Static void 689 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 690 { 691 struct ubsa_softc *sc = priv; 692 u_char *buf; 693 694 buf = sc->sc_intr_buf; 695 if (sc->sc_dying) 696 return; 697 698 if (status != USBD_NORMAL_COMPLETION) { 699 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 700 return; 701 702 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 703 USBDEVNAME(sc->sc_ucom.sc_dev), 704 usbd_errstr(status))); 705 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 706 return; 707 } 708 709 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 710 sc->sc_lsr = buf[2]; 711 sc->sc_msr = buf[3]; 712 713 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 714 USBDEVNAME(sc->sc_ucom.sc_dev), sc->sc_lsr, sc->sc_msr)); 715 716 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 717 } 718 719 Static void 720 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 721 { 722 struct ubsa_softc *sc = addr; 723 724 DPRINTF(("ubsa_get_status\n")); 725 726 if (lsr != NULL) 727 *lsr = sc->sc_lsr; 728 if (msr != NULL) 729 *msr = sc->sc_msr; 730 } 731
Indexes created Sun Oct 12 09:09:55 GMT 2025