ubsa.c revision 1.5.6.3
1 /* $NetBSD: ubsa.c,v 1.5.6.3 2004/09/21 13:33:44 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 1.5.6.3 2004/09/21 13:33:44 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 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 177 int sc_intr_number; /* interrupt number */ 178 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 179 u_char *sc_intr_buf; /* interrupt buffer */ 180 int sc_isize; 181 182 u_char sc_dtr; /* current DTR state */ 183 u_char sc_rts; /* current RTS state */ 184 185 u_char sc_lsr; /* Local status register */ 186 u_char sc_msr; /* ubsa status register */ 187 188 device_ptr_t sc_subdev; /* ucom device */ 189 190 u_char sc_dying; /* disconnecting */ 191 192 }; 193 194 Static void ubsa_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 195 196 Static void ubsa_get_status(void *, int, u_char *, u_char *); 197 Static void ubsa_set(void *, int, int, int); 198 Static int ubsa_param(void *, int, struct termios *); 199 Static int ubsa_open(void *, int); 200 Static void ubsa_close(void *, int); 201 202 Static void ubsa_break(struct ubsa_softc *sc, int onoff); 203 Static int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 204 Static void ubsa_dtr(struct ubsa_softc *, int); 205 Static void ubsa_rts(struct ubsa_softc *, int); 206 Static void ubsa_baudrate(struct ubsa_softc *, speed_t); 207 Static void ubsa_parity(struct ubsa_softc *, tcflag_t); 208 Static void ubsa_databits(struct ubsa_softc *, tcflag_t); 209 Static void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 210 Static void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 211 212 struct ucom_methods ubsa_methods = { 213 ubsa_get_status, 214 ubsa_set, 215 ubsa_param, 216 NULL, 217 ubsa_open, 218 ubsa_close, 219 NULL, 220 NULL 221 }; 222 223 Static const struct usb_devno ubsa_devs[] = { 224 /* BELKIN F5U103 */ 225 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 226 /* BELKIN F5U120 */ 227 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 228 /* GoHubs GO-COM232 */ 229 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 230 /* GoHubs GO-COM232 */ 231 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 232 /* Peracom */ 233 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 234 }; 235 #define ubsa_lookup(v, p) usb_lookup(ubsa_devs, v, p) 236 237 USB_DECLARE_DRIVER(ubsa); 238 239 USB_MATCH(ubsa) 240 { 241 USB_MATCH_START(ubsa, uaa); 242 243 if (uaa->iface != NULL) 244 return (UMATCH_NONE); 245 246 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 247 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 248 } 249 250 USB_ATTACH(ubsa) 251 { 252 USB_ATTACH_START(ubsa, sc, uaa); 253 usbd_device_handle dev = uaa->device; 254 usb_config_descriptor_t *cdesc; 255 usb_interface_descriptor_t *id; 256 usb_endpoint_descriptor_t *ed; 257 char devinfo[1024]; 258 const char *devname = USBDEVNAME(sc->sc_dev); 259 usbd_status err; 260 struct ucom_attach_args uca; 261 int i; 262 263 usbd_devinfo(dev, 0, devinfo, sizeof(devinfo)); 264 USB_ATTACH_SETUP; 265 printf("%s: %s\n", devname, devinfo); 266 267 sc->sc_udev = dev; 268 269 /* 270 * initialize rts, dtr variables to something 271 * different from boolean 0, 1 272 */ 273 sc->sc_dtr = -1; 274 sc->sc_rts = -1; 275 276 printf("%s: %s\n", devname, devinfo); 277 278 DPRINTF(("ubsa attach: sc = %p\n", sc)); 279 280 /* initialize endpoints */ 281 uca.bulkin = uca.bulkout = -1; 282 sc->sc_intr_number = -1; 283 sc->sc_intr_pipe = NULL; 284 285 /* Move the device into the configured state. */ 286 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 287 if (err) { 288 printf("%s: failed to set configuration: %s\n", 289 devname, usbd_errstr(err)); 290 sc->sc_dying = 1; 291 goto error; 292 } 293 294 /* get the config descriptor */ 295 cdesc = usbd_get_config_descriptor(sc->sc_udev); 296 297 if (cdesc == NULL) { 298 printf("%s: failed to get configuration descriptor\n", 299 devname); 300 sc->sc_dying = 1; 301 goto error; 302 } 303 304 /* get the first interface */ 305 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 306 &sc->sc_iface); 307 if (err) { 308 printf("%s: failed to get interface: %s\n", 309 devname, usbd_errstr(err)); 310 sc->sc_dying = 1; 311 goto error; 312 } 313 314 /* Find the endpoints */ 315 316 id = usbd_get_interface_descriptor(sc->sc_iface); 317 sc->sc_iface_number = id->bInterfaceNumber; 318 319 for (i = 0; i < id->bNumEndpoints; i++) { 320 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 321 if (ed == NULL) { 322 printf("%s: no endpoint descriptor for %d\n", 323 USBDEVNAME(sc->sc_dev), i); 324 sc->sc_dying = 1; 325 goto error; 326 } 327 328 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 329 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 330 sc->sc_intr_number = ed->bEndpointAddress; 331 sc->sc_isize = UGETW(ed->wMaxPacketSize); 332 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 333 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 334 uca.bulkin = ed->bEndpointAddress; 335 uca.ibufsize = UGETW(ed->wMaxPacketSize); 336 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 337 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 338 uca.bulkout = ed->bEndpointAddress; 339 uca.obufsize = UGETW(ed->wMaxPacketSize); 340 } 341 } 342 343 if (sc->sc_intr_number == -1) { 344 printf("%s: Could not find interrupt in\n", devname); 345 sc->sc_dying = 1; 346 goto error; 347 } 348 349 if (uca.bulkin == -1) { 350 printf("%s: Could not find data bulk in\n", devname); 351 sc->sc_dying = 1; 352 goto error; 353 } 354 355 if (uca.bulkout == -1) { 356 printf("%s: Could not find data bulk out\n", devname); 357 sc->sc_dying = 1; 358 goto error; 359 } 360 361 uca.portno = UCOM_UNK_PORTNO; 362 /* bulkin, bulkout set above */ 363 uca.ibufsizepad = uca.ibufsize; 364 uca.opkthdrlen = 0; 365 uca.device = dev; 366 uca.iface = sc->sc_iface; 367 uca.methods = &ubsa_methods; 368 uca.arg = sc; 369 uca.info = NULL; 370 371 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 372 USBDEV(sc->sc_dev)); 373 374 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 375 uca.bulkin_no, uca.bulkout_no, sc->sc_intr_number)); 376 377 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 378 ucomprint, ucomsubmatch); 379 380 USB_ATTACH_SUCCESS_RETURN; 381 382 error: 383 USB_ATTACH_ERROR_RETURN; 384 } 385 386 USB_DETACH(ubsa) 387 { 388 USB_DETACH_START(ubsa, sc); 389 int rv = 0; 390 391 392 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 393 394 if (sc->sc_intr_pipe != NULL) { 395 usbd_abort_pipe(sc->sc_intr_pipe); 396 usbd_close_pipe(sc->sc_intr_pipe); 397 free(sc->sc_intr_buf, M_USBDEV); 398 sc->sc_intr_pipe = NULL; 399 } 400 401 sc->sc_dying = 1; 402 if (sc->sc_subdev != NULL) { 403 rv = config_detach(sc->sc_subdev, flags); 404 sc->sc_subdev = NULL; 405 } 406 407 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 408 USBDEV(sc->sc_dev)); 409 410 return (rv); 411 } 412 413 int 414 ubsa_activate(device_ptr_t self, enum devact act) 415 { 416 struct ubsa_softc *sc = (struct ubsa_softc *)self; 417 int rv = 0; 418 419 switch (act) { 420 case DVACT_ACTIVATE: 421 return (EOPNOTSUPP); 422 423 case DVACT_DEACTIVATE: 424 if (sc->sc_subdev != NULL) 425 rv = config_deactivate(sc->sc_subdev); 426 sc->sc_dying = 1; 427 break; 428 } 429 return (rv); 430 } 431 432 Static int 433 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 434 { 435 usb_device_request_t req; 436 usbd_status err; 437 438 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 439 req.bRequest = request; 440 USETW(req.wValue, value); 441 USETW(req.wIndex, sc->sc_iface_number); 442 USETW(req.wLength, 0); 443 444 err = usbd_do_request(sc->sc_udev, &req, 0); 445 if (err) 446 printf("%s: ubsa_request: %s\n", 447 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 448 return (err); 449 } 450 451 Static void 452 ubsa_dtr(struct ubsa_softc *sc, int onoff) 453 { 454 455 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 456 457 if (sc->sc_dtr == onoff) 458 return; 459 sc->sc_dtr = onoff; 460 461 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 462 } 463 464 Static void 465 ubsa_rts(struct ubsa_softc *sc, int onoff) 466 { 467 468 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 469 470 if (sc->sc_rts == onoff) 471 return; 472 sc->sc_rts = onoff; 473 474 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 475 } 476 477 Static void 478 ubsa_break(struct ubsa_softc *sc, int onoff) 479 { 480 481 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 482 483 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 484 } 485 486 Static void 487 ubsa_set(void *addr, int portno, int reg, int onoff) 488 { 489 struct ubsa_softc *sc; 490 491 sc = addr; 492 switch (reg) { 493 case UCOM_SET_DTR: 494 ubsa_dtr(sc, onoff); 495 break; 496 case UCOM_SET_RTS: 497 ubsa_rts(sc, onoff); 498 break; 499 case UCOM_SET_BREAK: 500 ubsa_break(sc, onoff); 501 break; 502 default: 503 break; 504 } 505 } 506 507 Static void 508 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 509 { 510 u_int16_t value = 0; 511 512 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 513 514 switch(speed) { 515 case B0: 516 break; 517 case B300: 518 case B600: 519 case B1200: 520 case B2400: 521 case B4800: 522 case B9600: 523 case B19200: 524 case B38400: 525 case B57600: 526 case B115200: 527 case B230400: 528 value = B230400 / speed; 529 break; 530 default: 531 printf("%s: ubsa_param: unsupported baudrate, " 532 "forcing default of 9600\n", 533 USBDEVNAME(sc->sc_dev)); 534 value = B230400 / B9600; 535 break; 536 }; 537 538 if (speed == B0) { 539 ubsa_flow(sc, 0, 0); 540 ubsa_dtr(sc, 0); 541 ubsa_rts(sc, 0); 542 } else 543 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 544 } 545 546 Static void 547 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 548 { 549 int value; 550 551 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 552 553 if (cflag & PARENB) 554 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 555 else 556 value = UBSA_PARITY_NONE; 557 558 ubsa_request(sc, UBSA_SET_PARITY, value); 559 } 560 561 Static void 562 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 563 { 564 int value; 565 566 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 567 568 switch (cflag & CSIZE) { 569 case CS5: value = 0; break; 570 case CS6: value = 1; break; 571 case CS7: value = 2; break; 572 case CS8: value = 3; break; 573 default: 574 printf("%s: ubsa_param: unsupported databits requested, " 575 "forcing default of 8\n", 576 USBDEVNAME(sc->sc_dev)); 577 value = 3; 578 } 579 580 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 581 } 582 583 Static void 584 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 585 { 586 int value; 587 588 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 589 590 value = (cflag & CSTOPB) ? 1 : 0; 591 592 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 593 } 594 595 Static void 596 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 597 { 598 int value; 599 600 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 601 602 value = 0; 603 if (cflag & CRTSCTS) 604 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 605 if (iflag & (IXON|IXOFF)) 606 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 607 608 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 609 } 610 611 Static int 612 ubsa_param(void *addr, int portno, struct termios *ti) 613 { 614 struct ubsa_softc *sc = addr; 615 616 DPRINTF(("ubsa_param: sc = %p\n", sc)); 617 618 ubsa_baudrate(sc, ti->c_ospeed); 619 ubsa_parity(sc, ti->c_cflag); 620 ubsa_databits(sc, ti->c_cflag); 621 ubsa_stopbits(sc, ti->c_cflag); 622 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 623 624 return (0); 625 } 626 627 Static int 628 ubsa_open(void *addr, int portno) 629 { 630 struct ubsa_softc *sc = addr; 631 int err; 632 633 if (sc->sc_dying) 634 return (ENXIO); 635 636 DPRINTF(("ubsa_open: sc = %p\n", sc)); 637 638 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 639 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 640 err = usbd_open_pipe_intr(sc->sc_intr_iface, 641 sc->sc_intr_number, 642 USBD_SHORT_XFER_OK, 643 &sc->sc_intr_pipe, 644 sc, 645 sc->sc_intr_buf, 646 sc->sc_isize, 647 ubsa_intr, 648 UBSA_INTR_INTERVAL); 649 if (err) { 650 printf("%s: cannot open interrupt pipe (addr %d)\n", 651 USBDEVNAME(sc->sc_dev), 652 sc->sc_intr_number); 653 return (EIO); 654 } 655 } 656 657 return (0); 658 } 659 660 Static void 661 ubsa_close(void *addr, int portno) 662 { 663 struct ubsa_softc *sc = addr; 664 int err; 665 666 if (sc->sc_dying) 667 return; 668 669 DPRINTF(("ubsa_close: close\n")); 670 671 if (sc->sc_intr_pipe != NULL) { 672 err = usbd_abort_pipe(sc->sc_intr_pipe); 673 if (err) 674 printf("%s: abort interrupt pipe failed: %s\n", 675 USBDEVNAME(sc->sc_dev), 676 usbd_errstr(err)); 677 err = usbd_close_pipe(sc->sc_intr_pipe); 678 if (err) 679 printf("%s: close interrupt pipe failed: %s\n", 680 USBDEVNAME(sc->sc_dev), 681 usbd_errstr(err)); 682 free(sc->sc_intr_buf, M_USBDEV); 683 sc->sc_intr_pipe = NULL; 684 } 685 } 686 687 Static void 688 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 689 { 690 struct ubsa_softc *sc = priv; 691 u_char *buf; 692 693 buf = sc->sc_intr_buf; 694 if (sc->sc_dying) 695 return; 696 697 if (status != USBD_NORMAL_COMPLETION) { 698 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 699 return; 700 701 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 702 USBDEVNAME(sc->sc_ucom.sc_dev), 703 usbd_errstr(status))); 704 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 705 return; 706 } 707 708 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 709 sc->sc_lsr = buf[2]; 710 sc->sc_msr = buf[3]; 711 712 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 713 USBDEVNAME(sc->sc_ucom.sc_dev), sc->sc_lsr, sc->sc_msr)); 714 715 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 716 } 717 718 Static void 719 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 720 { 721 struct ubsa_softc *sc = addr; 722 723 DPRINTF(("ubsa_get_status\n")); 724 725 if (lsr != NULL) 726 *lsr = sc->sc_lsr; 727 if (msr != NULL) 728 *msr = sc->sc_msr; 729 } 730
Indexes created Sun Oct 12 09:09:55 GMT 2025