ubsa.c revision 1.19
1 /* $NetBSD: ubsa.c,v 1.19 2007/03/13 13:51:55 drochner 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 1.19 2007/03/13 13:51:55 drochner 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 /* AnyDATA ADU-E100H */ 243 { USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_E100H }, 244 }; 245 #define ubsa_lookup(v, p) usb_lookup(ubsa_devs, v, p) 246 247 USB_DECLARE_DRIVER(ubsa); 248 249 USB_MATCH(ubsa) 250 { 251 USB_MATCH_START(ubsa, uaa); 252 253 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 254 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 255 } 256 257 USB_ATTACH(ubsa) 258 { 259 USB_ATTACH_START(ubsa, sc, uaa); 260 usbd_device_handle dev = uaa->device; 261 usb_config_descriptor_t *cdesc; 262 usb_interface_descriptor_t *id; 263 usb_endpoint_descriptor_t *ed; 264 char *devinfop; 265 const char *devname = USBDEVNAME(sc->sc_dev); 266 usbd_status err; 267 struct ucom_attach_args uca; 268 int i; 269 270 devinfop = usbd_devinfo_alloc(dev, 0); 271 USB_ATTACH_SETUP; 272 printf("%s: %s\n", devname, devinfop); 273 usbd_devinfo_free(devinfop); 274 275 sc->sc_udev = dev; 276 277 /* 278 * initialize rts, dtr variables to something 279 * different from boolean 0, 1 280 */ 281 sc->sc_dtr = -1; 282 sc->sc_rts = -1; 283 284 /* 285 * Quad UMTS cards use different requests to 286 * control com settings and only some. 287 */ 288 sc->sc_quadumts = 0; 289 if (uaa->vendor == USB_VENDOR_OPTIONNV) { 290 switch (uaa->product) { 291 case USB_PRODUCT_OPTIONNV_QUADUMTS: 292 case USB_PRODUCT_OPTIONNV_QUADUMTS2: 293 sc->sc_quadumts = 1; 294 break; 295 } 296 } 297 298 DPRINTF(("ubsa attach: sc = %p\n", sc)); 299 300 /* initialize endpoints */ 301 uca.bulkin = uca.bulkout = -1; 302 sc->sc_intr_number = -1; 303 sc->sc_intr_pipe = NULL; 304 305 /* Move the device into the configured state. */ 306 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 307 if (err) { 308 printf("%s: failed to set configuration: %s\n", 309 devname, usbd_errstr(err)); 310 sc->sc_dying = 1; 311 goto error; 312 } 313 314 /* get the config descriptor */ 315 cdesc = usbd_get_config_descriptor(sc->sc_udev); 316 317 if (cdesc == NULL) { 318 printf("%s: failed to get configuration descriptor\n", 319 devname); 320 sc->sc_dying = 1; 321 goto error; 322 } 323 324 /* get the first interface */ 325 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 326 &sc->sc_iface); 327 if (err) { 328 printf("%s: failed to get interface: %s\n", 329 devname, usbd_errstr(err)); 330 sc->sc_dying = 1; 331 goto error; 332 } 333 334 /* Find the endpoints */ 335 336 id = usbd_get_interface_descriptor(sc->sc_iface); 337 sc->sc_iface_number = id->bInterfaceNumber; 338 339 for (i = 0; i < id->bNumEndpoints; i++) { 340 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 341 if (ed == NULL) { 342 printf("%s: no endpoint descriptor for %d\n", 343 USBDEVNAME(sc->sc_dev), i); 344 sc->sc_dying = 1; 345 goto error; 346 } 347 348 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 349 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 350 sc->sc_intr_number = ed->bEndpointAddress; 351 sc->sc_isize = UGETW(ed->wMaxPacketSize); 352 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 353 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 354 uca.bulkin = ed->bEndpointAddress; 355 uca.ibufsize = UGETW(ed->wMaxPacketSize); 356 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 357 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 358 uca.bulkout = ed->bEndpointAddress; 359 uca.obufsize = UGETW(ed->wMaxPacketSize); 360 } 361 } 362 363 if (sc->sc_intr_number == -1) { 364 printf("%s: Could not find interrupt in\n", devname); 365 sc->sc_dying = 1; 366 goto error; 367 } 368 369 if (uca.bulkin == -1) { 370 printf("%s: Could not find data bulk in\n", devname); 371 sc->sc_dying = 1; 372 goto error; 373 } 374 375 if (uca.bulkout == -1) { 376 printf("%s: Could not find data bulk out\n", devname); 377 sc->sc_dying = 1; 378 goto error; 379 } 380 381 uca.portno = UCOM_UNK_PORTNO; 382 /* bulkin, bulkout set above */ 383 uca.ibufsizepad = uca.ibufsize; 384 uca.opkthdrlen = 0; 385 uca.device = dev; 386 uca.iface = sc->sc_iface; 387 uca.methods = &ubsa_methods; 388 uca.arg = sc; 389 uca.info = NULL; 390 391 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 392 USBDEV(sc->sc_dev)); 393 394 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 395 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 396 397 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 398 ucomprint, ucomsubmatch); 399 400 USB_ATTACH_SUCCESS_RETURN; 401 402 error: 403 USB_ATTACH_ERROR_RETURN; 404 } 405 406 USB_DETACH(ubsa) 407 { 408 USB_DETACH_START(ubsa, sc); 409 int rv = 0; 410 411 412 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 413 414 if (sc->sc_intr_pipe != NULL) { 415 usbd_abort_pipe(sc->sc_intr_pipe); 416 usbd_close_pipe(sc->sc_intr_pipe); 417 free(sc->sc_intr_buf, M_USBDEV); 418 sc->sc_intr_pipe = NULL; 419 } 420 421 sc->sc_dying = 1; 422 if (sc->sc_subdev != NULL) { 423 rv = config_detach(sc->sc_subdev, flags); 424 sc->sc_subdev = NULL; 425 } 426 427 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 428 USBDEV(sc->sc_dev)); 429 430 return (rv); 431 } 432 433 int 434 ubsa_activate(device_ptr_t self, enum devact act) 435 { 436 struct ubsa_softc *sc = (struct ubsa_softc *)self; 437 int rv = 0; 438 439 switch (act) { 440 case DVACT_ACTIVATE: 441 return (EOPNOTSUPP); 442 443 case DVACT_DEACTIVATE: 444 if (sc->sc_subdev != NULL) 445 rv = config_deactivate(sc->sc_subdev); 446 sc->sc_dying = 1; 447 break; 448 } 449 return (rv); 450 } 451 452 Static int 453 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 454 { 455 usb_device_request_t req; 456 usbd_status err; 457 458 if (sc->sc_quadumts) 459 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 460 else 461 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 462 463 req.bRequest = request; 464 USETW(req.wValue, value); 465 USETW(req.wIndex, sc->sc_iface_number); 466 USETW(req.wLength, 0); 467 468 err = usbd_do_request(sc->sc_udev, &req, 0); 469 if (err) 470 printf("%s: ubsa_request: %s\n", 471 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 472 return (err); 473 } 474 475 Static void 476 ubsa_dtr(struct ubsa_softc *sc, int onoff) 477 { 478 479 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 480 481 if (sc->sc_dtr == onoff) 482 return; 483 sc->sc_dtr = onoff; 484 485 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 486 } 487 488 Static void 489 ubsa_rts(struct ubsa_softc *sc, int onoff) 490 { 491 492 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 493 494 if (sc->sc_rts == onoff) 495 return; 496 sc->sc_rts = onoff; 497 498 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 499 } 500 501 Static void 502 ubsa_quadumts_dtr(struct ubsa_softc *sc, int onoff) 503 { 504 505 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 506 507 if (sc->sc_dtr == onoff) 508 return; 509 sc->sc_dtr = onoff; 510 511 ubsa_request(sc, UBSA_QUADUMTS_SET_PIN, (sc->sc_rts ? 2 : 0)+(sc->sc_dtr ? 1 : 0)); 512 } 513 514 Static void 515 ubsa_quadumts_rts(struct ubsa_softc *sc, int onoff) 516 { 517 518 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 519 520 if (sc->sc_rts == onoff) 521 return; 522 sc->sc_rts = onoff; 523 524 ubsa_request(sc, UBSA_QUADUMTS_SET_PIN, (sc->sc_rts ? 2 : 0)+(sc->sc_dtr ? 1 : 0)); 525 } 526 527 Static void 528 ubsa_break(struct ubsa_softc *sc, int onoff) 529 { 530 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 531 532 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 533 } 534 535 Static void 536 ubsa_set(void *addr, int portno, int reg, int onoff) 537 { 538 struct ubsa_softc *sc; 539 540 sc = addr; 541 switch (reg) { 542 case UCOM_SET_DTR: 543 if (sc->sc_quadumts) 544 ubsa_quadumts_dtr(sc, onoff); 545 else 546 ubsa_dtr(sc, onoff); 547 break; 548 case UCOM_SET_RTS: 549 if (sc->sc_quadumts) 550 ubsa_quadumts_rts(sc, onoff); 551 else 552 ubsa_rts(sc, onoff); 553 break; 554 case UCOM_SET_BREAK: 555 if (!sc->sc_quadumts) 556 ubsa_break(sc, onoff); 557 break; 558 default: 559 break; 560 } 561 } 562 563 Static void 564 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 565 { 566 u_int16_t value = 0; 567 568 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 569 570 switch(speed) { 571 case B0: 572 break; 573 case B300: 574 case B600: 575 case B1200: 576 case B2400: 577 case B4800: 578 case B9600: 579 case B19200: 580 case B38400: 581 case B57600: 582 case B115200: 583 case B230400: 584 value = B230400 / speed; 585 break; 586 default: 587 printf("%s: ubsa_param: unsupported baudrate, " 588 "forcing default of 9600\n", 589 USBDEVNAME(sc->sc_dev)); 590 value = B230400 / B9600; 591 break; 592 }; 593 594 if (speed == B0) { 595 ubsa_flow(sc, 0, 0); 596 ubsa_dtr(sc, 0); 597 ubsa_rts(sc, 0); 598 } else 599 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 600 } 601 602 Static void 603 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 604 { 605 int value; 606 607 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 608 609 if (cflag & PARENB) 610 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 611 else 612 value = UBSA_PARITY_NONE; 613 614 ubsa_request(sc, UBSA_SET_PARITY, value); 615 } 616 617 Static void 618 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 619 { 620 int value; 621 622 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 623 624 switch (cflag & CSIZE) { 625 case CS5: value = 0; break; 626 case CS6: value = 1; break; 627 case CS7: value = 2; break; 628 case CS8: value = 3; break; 629 default: 630 printf("%s: ubsa_param: unsupported databits requested, " 631 "forcing default of 8\n", 632 USBDEVNAME(sc->sc_dev)); 633 value = 3; 634 } 635 636 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 637 } 638 639 Static void 640 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 641 { 642 int value; 643 644 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 645 646 value = (cflag & CSTOPB) ? 1 : 0; 647 648 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 649 } 650 651 Static void 652 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 653 { 654 int value; 655 656 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 657 658 value = 0; 659 if (cflag & CRTSCTS) 660 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 661 if (iflag & (IXON|IXOFF)) 662 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 663 664 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 665 } 666 667 Static int 668 ubsa_param(void *addr, int portno, struct termios *ti) 669 { 670 struct ubsa_softc *sc = addr; 671 672 DPRINTF(("ubsa_param: sc = %p\n", sc)); 673 674 if (!sc->sc_quadumts) { 675 ubsa_baudrate(sc, ti->c_ospeed); 676 ubsa_parity(sc, ti->c_cflag); 677 ubsa_databits(sc, ti->c_cflag); 678 ubsa_stopbits(sc, ti->c_cflag); 679 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 680 } 681 682 return (0); 683 } 684 685 Static int 686 ubsa_open(void *addr, int portno) 687 { 688 struct ubsa_softc *sc = addr; 689 int err; 690 691 if (sc->sc_dying) 692 return (ENXIO); 693 694 DPRINTF(("ubsa_open: sc = %p\n", sc)); 695 696 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 697 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 698 err = usbd_open_pipe_intr(sc->sc_iface, 699 sc->sc_intr_number, 700 USBD_SHORT_XFER_OK, 701 &sc->sc_intr_pipe, 702 sc, 703 sc->sc_intr_buf, 704 sc->sc_isize, 705 ubsa_intr, 706 UBSA_INTR_INTERVAL); 707 if (err) { 708 printf("%s: cannot open interrupt pipe (addr %d)\n", 709 USBDEVNAME(sc->sc_dev), 710 sc->sc_intr_number); 711 return (EIO); 712 } 713 } 714 715 return (0); 716 } 717 718 Static void 719 ubsa_close(void *addr, int portno) 720 { 721 struct ubsa_softc *sc = addr; 722 int err; 723 724 if (sc->sc_dying) 725 return; 726 727 DPRINTF(("ubsa_close: close\n")); 728 729 if (sc->sc_intr_pipe != NULL) { 730 err = usbd_abort_pipe(sc->sc_intr_pipe); 731 if (err) 732 printf("%s: abort interrupt pipe failed: %s\n", 733 USBDEVNAME(sc->sc_dev), 734 usbd_errstr(err)); 735 err = usbd_close_pipe(sc->sc_intr_pipe); 736 if (err) 737 printf("%s: close interrupt pipe failed: %s\n", 738 USBDEVNAME(sc->sc_dev), 739 usbd_errstr(err)); 740 free(sc->sc_intr_buf, M_USBDEV); 741 sc->sc_intr_pipe = NULL; 742 } 743 } 744 745 Static void 746 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 747 usbd_status status) 748 { 749 struct ubsa_softc *sc = priv; 750 u_char *buf; 751 752 buf = sc->sc_intr_buf; 753 if (sc->sc_dying) 754 return; 755 756 if (status != USBD_NORMAL_COMPLETION) { 757 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 758 return; 759 760 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 761 USBDEVNAME(sc->sc_dev), usbd_errstr(status))); 762 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 763 return; 764 } 765 766 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 767 sc->sc_lsr = buf[2]; 768 sc->sc_msr = buf[3]; 769 770 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 771 USBDEVNAME(sc->sc_dev), sc->sc_lsr, sc->sc_msr)); 772 773 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 774 } 775 776 Static void 777 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 778 { 779 struct ubsa_softc *sc = addr; 780 781 DPRINTF(("ubsa_get_status\n")); 782 783 if (lsr != NULL) 784 *lsr = sc->sc_lsr; 785 if (msr != NULL) 786 *msr = sc->sc_msr; 787 } 788
Indexes created Sun Oct 12 09:09:55 GMT 2025