ubsa.c revision 1.16.2.1
1 /* $NetBSD: ubsa.c,v 1.16.2.1 2007/02/21 13:22:55 tron 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 1.16.2.1 2007/02/21 13:22:55 tron 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_QUADUMTS_SET_PIN 0x22 132 133 #define UBSA_PARITY_NONE 0x00 134 #define UBSA_PARITY_EVEN 0x01 135 #define UBSA_PARITY_ODD 0x02 136 #define UBSA_PARITY_MARK 0x03 137 #define UBSA_PARITY_SPACE 0x04 138 139 #define UBSA_FLOW_NONE 0x0000 140 #define UBSA_FLOW_OCTS 0x0001 141 #define UBSA_FLOW_ODSR 0x0002 142 #define UBSA_FLOW_IDSR 0x0004 143 #define UBSA_FLOW_IDTR 0x0008 144 #define UBSA_FLOW_IRTS 0x0010 145 #define UBSA_FLOW_ORTS 0x0020 146 #define UBSA_FLOW_UNKNOWN 0x0040 147 #define UBSA_FLOW_OXON 0x0080 148 #define UBSA_FLOW_IXON 0x0100 149 150 /* line status register */ 151 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ 152 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ 153 #define UBSA_LSR_BI 0x10 /* Break detected */ 154 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ 155 #define UBSA_LSR_PE 0x04 /* Parity error */ 156 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ 157 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 158 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 159 160 /* modem status register */ 161 /* All deltas are from the last read of the MSR. */ 162 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ 163 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ 164 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ 165 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ 166 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ 167 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ 168 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ 169 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ 170 171 struct ubsa_softc { 172 USBBASEDEVICE sc_dev; /* base device */ 173 usbd_device_handle sc_udev; /* USB device */ 174 usbd_interface_handle sc_iface; /* interface */ 175 176 int sc_iface_number; /* interface number */ 177 178 int sc_intr_number; /* interrupt number */ 179 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 180 u_char *sc_intr_buf; /* interrupt buffer */ 181 int sc_isize; 182 183 u_char sc_dtr; /* current DTR state */ 184 u_char sc_rts; /* current RTS state */ 185 186 u_char sc_lsr; /* Local status register */ 187 u_char sc_msr; /* ubsa status register */ 188 189 device_ptr_t sc_subdev; /* ucom device */ 190 191 u_char sc_dying; /* disconnecting */ 192 u_char sc_quadumts; 193 194 }; 195 196 Static void ubsa_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 197 198 Static void ubsa_get_status(void *, int, u_char *, u_char *); 199 Static void ubsa_set(void *, int, int, int); 200 Static int ubsa_param(void *, int, struct termios *); 201 Static int ubsa_open(void *, int); 202 Static void ubsa_close(void *, int); 203 204 Static void ubsa_break(struct ubsa_softc *sc, int onoff); 205 Static int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t); 206 Static void ubsa_dtr(struct ubsa_softc *, int); 207 Static void ubsa_quadumts_dtr(struct ubsa_softc *, int); 208 Static void ubsa_rts(struct ubsa_softc *, int); 209 Static void ubsa_quadumts_rts(struct ubsa_softc *, int); 210 Static void ubsa_baudrate(struct ubsa_softc *, speed_t); 211 Static void ubsa_parity(struct ubsa_softc *, tcflag_t); 212 Static void ubsa_databits(struct ubsa_softc *, tcflag_t); 213 Static void ubsa_stopbits(struct ubsa_softc *, tcflag_t); 214 Static void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t); 215 216 struct ucom_methods ubsa_methods = { 217 ubsa_get_status, 218 ubsa_set, 219 ubsa_param, 220 NULL, 221 ubsa_open, 222 ubsa_close, 223 NULL, 224 NULL 225 }; 226 227 Static const struct usb_devno ubsa_devs[] = { 228 /* BELKIN F5U103 */ 229 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, 230 /* BELKIN F5U120 */ 231 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, 232 /* GoHubs GO-COM232 */ 233 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, 234 /* GoHubs GO-COM232 */ 235 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, 236 /* Peracom */ 237 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, 238 /* Option N.V. */ 239 { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_MC3G }, 240 { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_QUADUMTS2 }, 241 { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_QUADUMTS }, 242 }; 243 #define ubsa_lookup(v, p) usb_lookup(ubsa_devs, v, p) 244 245 USB_DECLARE_DRIVER(ubsa); 246 247 USB_MATCH(ubsa) 248 { 249 USB_MATCH_START(ubsa, uaa); 250 251 if (uaa->iface != NULL) 252 return (UMATCH_NONE); 253 254 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 255 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 256 } 257 258 USB_ATTACH(ubsa) 259 { 260 USB_ATTACH_START(ubsa, sc, uaa); 261 usbd_device_handle dev = uaa->device; 262 usb_config_descriptor_t *cdesc; 263 usb_interface_descriptor_t *id; 264 usb_endpoint_descriptor_t *ed; 265 char *devinfop; 266 const char *devname = USBDEVNAME(sc->sc_dev); 267 usbd_status err; 268 struct ucom_attach_args uca; 269 int i; 270 271 devinfop = usbd_devinfo_alloc(dev, 0); 272 USB_ATTACH_SETUP; 273 printf("%s: %s\n", devname, devinfop); 274 usbd_devinfo_free(devinfop); 275 276 sc->sc_udev = dev; 277 278 /* 279 * initialize rts, dtr variables to something 280 * different from boolean 0, 1 281 */ 282 sc->sc_dtr = -1; 283 sc->sc_rts = -1; 284 285 /* 286 * Quad UMTS cards use different requests to 287 * control com settings and only some. 288 */ 289 sc->sc_quadumts = 0; 290 if (uaa->vendor == USB_VENDOR_OPTIONNV) { 291 switch (uaa->product) { 292 case USB_PRODUCT_OPTIONNV_QUADUMTS: 293 case USB_PRODUCT_OPTIONNV_QUADUMTS2: 294 sc->sc_quadumts = 1; 295 break; 296 } 297 } 298 299 DPRINTF(("ubsa attach: sc = %p\n", sc)); 300 301 /* initialize endpoints */ 302 uca.bulkin = uca.bulkout = -1; 303 sc->sc_intr_number = -1; 304 sc->sc_intr_pipe = NULL; 305 306 /* Move the device into the configured state. */ 307 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 308 if (err) { 309 printf("%s: failed to set configuration: %s\n", 310 devname, usbd_errstr(err)); 311 sc->sc_dying = 1; 312 goto error; 313 } 314 315 /* get the config descriptor */ 316 cdesc = usbd_get_config_descriptor(sc->sc_udev); 317 318 if (cdesc == NULL) { 319 printf("%s: failed to get configuration descriptor\n", 320 devname); 321 sc->sc_dying = 1; 322 goto error; 323 } 324 325 /* get the first interface */ 326 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 327 &sc->sc_iface); 328 if (err) { 329 printf("%s: failed to get interface: %s\n", 330 devname, usbd_errstr(err)); 331 sc->sc_dying = 1; 332 goto error; 333 } 334 335 /* Find the endpoints */ 336 337 id = usbd_get_interface_descriptor(sc->sc_iface); 338 sc->sc_iface_number = id->bInterfaceNumber; 339 340 for (i = 0; i < id->bNumEndpoints; i++) { 341 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 342 if (ed == NULL) { 343 printf("%s: no endpoint descriptor for %d\n", 344 USBDEVNAME(sc->sc_dev), i); 345 sc->sc_dying = 1; 346 goto error; 347 } 348 349 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 350 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 351 sc->sc_intr_number = ed->bEndpointAddress; 352 sc->sc_isize = UGETW(ed->wMaxPacketSize); 353 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 354 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 355 uca.bulkin = ed->bEndpointAddress; 356 uca.ibufsize = UGETW(ed->wMaxPacketSize); 357 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 358 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 359 uca.bulkout = ed->bEndpointAddress; 360 uca.obufsize = UGETW(ed->wMaxPacketSize); 361 } 362 } 363 364 if (sc->sc_intr_number == -1) { 365 printf("%s: Could not find interrupt in\n", devname); 366 sc->sc_dying = 1; 367 goto error; 368 } 369 370 if (uca.bulkin == -1) { 371 printf("%s: Could not find data bulk in\n", devname); 372 sc->sc_dying = 1; 373 goto error; 374 } 375 376 if (uca.bulkout == -1) { 377 printf("%s: Could not find data bulk out\n", devname); 378 sc->sc_dying = 1; 379 goto error; 380 } 381 382 uca.portno = UCOM_UNK_PORTNO; 383 /* bulkin, bulkout set above */ 384 uca.ibufsizepad = uca.ibufsize; 385 uca.opkthdrlen = 0; 386 uca.device = dev; 387 uca.iface = sc->sc_iface; 388 uca.methods = &ubsa_methods; 389 uca.arg = sc; 390 uca.info = NULL; 391 392 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 393 USBDEV(sc->sc_dev)); 394 395 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 396 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 397 398 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 399 ucomprint, ucomsubmatch); 400 401 USB_ATTACH_SUCCESS_RETURN; 402 403 error: 404 USB_ATTACH_ERROR_RETURN; 405 } 406 407 USB_DETACH(ubsa) 408 { 409 USB_DETACH_START(ubsa, sc); 410 int rv = 0; 411 412 413 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 414 415 if (sc->sc_intr_pipe != NULL) { 416 usbd_abort_pipe(sc->sc_intr_pipe); 417 usbd_close_pipe(sc->sc_intr_pipe); 418 free(sc->sc_intr_buf, M_USBDEV); 419 sc->sc_intr_pipe = NULL; 420 } 421 422 sc->sc_dying = 1; 423 if (sc->sc_subdev != NULL) { 424 rv = config_detach(sc->sc_subdev, flags); 425 sc->sc_subdev = NULL; 426 } 427 428 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 429 USBDEV(sc->sc_dev)); 430 431 return (rv); 432 } 433 434 int 435 ubsa_activate(device_ptr_t self, enum devact act) 436 { 437 struct ubsa_softc *sc = (struct ubsa_softc *)self; 438 int rv = 0; 439 440 switch (act) { 441 case DVACT_ACTIVATE: 442 return (EOPNOTSUPP); 443 444 case DVACT_DEACTIVATE: 445 if (sc->sc_subdev != NULL) 446 rv = config_deactivate(sc->sc_subdev); 447 sc->sc_dying = 1; 448 break; 449 } 450 return (rv); 451 } 452 453 Static int 454 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 455 { 456 usb_device_request_t req; 457 usbd_status err; 458 459 if (sc->sc_quadumts) 460 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 461 else 462 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 463 464 req.bRequest = request; 465 USETW(req.wValue, value); 466 USETW(req.wIndex, sc->sc_iface_number); 467 USETW(req.wLength, 0); 468 469 err = usbd_do_request(sc->sc_udev, &req, 0); 470 if (err) 471 printf("%s: ubsa_request: %s\n", 472 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 473 return (err); 474 } 475 476 Static void 477 ubsa_dtr(struct ubsa_softc *sc, int onoff) 478 { 479 480 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 481 482 if (sc->sc_dtr == onoff) 483 return; 484 sc->sc_dtr = onoff; 485 486 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 487 } 488 489 Static void 490 ubsa_rts(struct ubsa_softc *sc, int onoff) 491 { 492 493 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 494 495 if (sc->sc_rts == onoff) 496 return; 497 sc->sc_rts = onoff; 498 499 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 500 } 501 502 Static void 503 ubsa_quadumts_dtr(struct ubsa_softc *sc, int onoff) 504 { 505 506 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 507 508 if (sc->sc_dtr == onoff) 509 return; 510 sc->sc_dtr = onoff; 511 512 ubsa_request(sc, UBSA_QUADUMTS_SET_PIN, (sc->sc_rts ? 2 : 0)+(sc->sc_dtr ? 1 : 0)); 513 } 514 515 Static void 516 ubsa_quadumts_rts(struct ubsa_softc *sc, int onoff) 517 { 518 519 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 520 521 if (sc->sc_rts == onoff) 522 return; 523 sc->sc_rts = onoff; 524 525 ubsa_request(sc, UBSA_QUADUMTS_SET_PIN, (sc->sc_rts ? 2 : 0)+(sc->sc_dtr ? 1 : 0)); 526 } 527 528 Static void 529 ubsa_break(struct ubsa_softc *sc, int onoff) 530 { 531 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 532 533 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 534 } 535 536 Static void 537 ubsa_set(void *addr, int portno, int reg, int onoff) 538 { 539 struct ubsa_softc *sc; 540 541 sc = addr; 542 switch (reg) { 543 case UCOM_SET_DTR: 544 if (sc->sc_quadumts) 545 ubsa_quadumts_dtr(sc, onoff); 546 else 547 ubsa_dtr(sc, onoff); 548 break; 549 case UCOM_SET_RTS: 550 if (sc->sc_quadumts) 551 ubsa_quadumts_rts(sc, onoff); 552 else 553 ubsa_rts(sc, onoff); 554 break; 555 case UCOM_SET_BREAK: 556 if (!sc->sc_quadumts) 557 ubsa_break(sc, onoff); 558 break; 559 default: 560 break; 561 } 562 } 563 564 Static void 565 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 566 { 567 u_int16_t value = 0; 568 569 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 570 571 switch(speed) { 572 case B0: 573 break; 574 case B300: 575 case B600: 576 case B1200: 577 case B2400: 578 case B4800: 579 case B9600: 580 case B19200: 581 case B38400: 582 case B57600: 583 case B115200: 584 case B230400: 585 value = B230400 / speed; 586 break; 587 default: 588 printf("%s: ubsa_param: unsupported baudrate, " 589 "forcing default of 9600\n", 590 USBDEVNAME(sc->sc_dev)); 591 value = B230400 / B9600; 592 break; 593 }; 594 595 if (speed == B0) { 596 ubsa_flow(sc, 0, 0); 597 ubsa_dtr(sc, 0); 598 ubsa_rts(sc, 0); 599 } else 600 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 601 } 602 603 Static void 604 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 605 { 606 int value; 607 608 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 609 610 if (cflag & PARENB) 611 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 612 else 613 value = UBSA_PARITY_NONE; 614 615 ubsa_request(sc, UBSA_SET_PARITY, value); 616 } 617 618 Static void 619 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 620 { 621 int value; 622 623 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 624 625 switch (cflag & CSIZE) { 626 case CS5: value = 0; break; 627 case CS6: value = 1; break; 628 case CS7: value = 2; break; 629 case CS8: value = 3; break; 630 default: 631 printf("%s: ubsa_param: unsupported databits requested, " 632 "forcing default of 8\n", 633 USBDEVNAME(sc->sc_dev)); 634 value = 3; 635 } 636 637 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 638 } 639 640 Static void 641 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 642 { 643 int value; 644 645 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 646 647 value = (cflag & CSTOPB) ? 1 : 0; 648 649 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 650 } 651 652 Static void 653 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 654 { 655 int value; 656 657 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 658 659 value = 0; 660 if (cflag & CRTSCTS) 661 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 662 if (iflag & (IXON|IXOFF)) 663 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 664 665 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 666 } 667 668 Static int 669 ubsa_param(void *addr, int portno, struct termios *ti) 670 { 671 struct ubsa_softc *sc = addr; 672 673 DPRINTF(("ubsa_param: sc = %p\n", sc)); 674 675 if (!sc->sc_quadumts) { 676 ubsa_baudrate(sc, ti->c_ospeed); 677 ubsa_parity(sc, ti->c_cflag); 678 ubsa_databits(sc, ti->c_cflag); 679 ubsa_stopbits(sc, ti->c_cflag); 680 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 681 } 682 683 return (0); 684 } 685 686 Static int 687 ubsa_open(void *addr, int portno) 688 { 689 struct ubsa_softc *sc = addr; 690 int err; 691 692 if (sc->sc_dying) 693 return (ENXIO); 694 695 DPRINTF(("ubsa_open: sc = %p\n", sc)); 696 697 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 698 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 699 err = usbd_open_pipe_intr(sc->sc_iface, 700 sc->sc_intr_number, 701 USBD_SHORT_XFER_OK, 702 &sc->sc_intr_pipe, 703 sc, 704 sc->sc_intr_buf, 705 sc->sc_isize, 706 ubsa_intr, 707 UBSA_INTR_INTERVAL); 708 if (err) { 709 printf("%s: cannot open interrupt pipe (addr %d)\n", 710 USBDEVNAME(sc->sc_dev), 711 sc->sc_intr_number); 712 return (EIO); 713 } 714 } 715 716 return (0); 717 } 718 719 Static void 720 ubsa_close(void *addr, int portno) 721 { 722 struct ubsa_softc *sc = addr; 723 int err; 724 725 if (sc->sc_dying) 726 return; 727 728 DPRINTF(("ubsa_close: close\n")); 729 730 if (sc->sc_intr_pipe != NULL) { 731 err = usbd_abort_pipe(sc->sc_intr_pipe); 732 if (err) 733 printf("%s: abort interrupt pipe failed: %s\n", 734 USBDEVNAME(sc->sc_dev), 735 usbd_errstr(err)); 736 err = usbd_close_pipe(sc->sc_intr_pipe); 737 if (err) 738 printf("%s: close interrupt pipe failed: %s\n", 739 USBDEVNAME(sc->sc_dev), 740 usbd_errstr(err)); 741 free(sc->sc_intr_buf, M_USBDEV); 742 sc->sc_intr_pipe = NULL; 743 } 744 } 745 746 Static void 747 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 748 usbd_status status) 749 { 750 struct ubsa_softc *sc = priv; 751 u_char *buf; 752 753 buf = sc->sc_intr_buf; 754 if (sc->sc_dying) 755 return; 756 757 if (status != USBD_NORMAL_COMPLETION) { 758 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 759 return; 760 761 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 762 USBDEVNAME(sc->sc_dev), usbd_errstr(status))); 763 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 764 return; 765 } 766 767 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 768 sc->sc_lsr = buf[2]; 769 sc->sc_msr = buf[3]; 770 771 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 772 USBDEVNAME(sc->sc_dev), sc->sc_lsr, sc->sc_msr)); 773 774 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 775 } 776 777 Static void 778 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 779 { 780 struct ubsa_softc *sc = addr; 781 782 DPRINTF(("ubsa_get_status\n")); 783 784 if (lsr != NULL) 785 *lsr = sc->sc_lsr; 786 if (msr != NULL) 787 *msr = sc->sc_msr; 788 } 789
Indexes created Sun Oct 12 09:09:55 GMT 2025