ubsa.c revision 1.18
1 /* $NetBSD: ubsa.c,v 1.18 2007/02/10 14:28:55 salo 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 1.18 2007/02/10 14:28:55 salo 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 if (uaa->iface != NULL) 254 return (UMATCH_NONE); 255 256 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 257 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 258 } 259 260 USB_ATTACH(ubsa) 261 { 262 USB_ATTACH_START(ubsa, sc, uaa); 263 usbd_device_handle dev = uaa->device; 264 usb_config_descriptor_t *cdesc; 265 usb_interface_descriptor_t *id; 266 usb_endpoint_descriptor_t *ed; 267 char *devinfop; 268 const char *devname = USBDEVNAME(sc->sc_dev); 269 usbd_status err; 270 struct ucom_attach_args uca; 271 int i; 272 273 devinfop = usbd_devinfo_alloc(dev, 0); 274 USB_ATTACH_SETUP; 275 printf("%s: %s\n", devname, devinfop); 276 usbd_devinfo_free(devinfop); 277 278 sc->sc_udev = dev; 279 280 /* 281 * initialize rts, dtr variables to something 282 * different from boolean 0, 1 283 */ 284 sc->sc_dtr = -1; 285 sc->sc_rts = -1; 286 287 /* 288 * Quad UMTS cards use different requests to 289 * control com settings and only some. 290 */ 291 sc->sc_quadumts = 0; 292 if (uaa->vendor == USB_VENDOR_OPTIONNV) { 293 switch (uaa->product) { 294 case USB_PRODUCT_OPTIONNV_QUADUMTS: 295 case USB_PRODUCT_OPTIONNV_QUADUMTS2: 296 sc->sc_quadumts = 1; 297 break; 298 } 299 } 300 301 DPRINTF(("ubsa attach: sc = %p\n", sc)); 302 303 /* initialize endpoints */ 304 uca.bulkin = uca.bulkout = -1; 305 sc->sc_intr_number = -1; 306 sc->sc_intr_pipe = NULL; 307 308 /* Move the device into the configured state. */ 309 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 310 if (err) { 311 printf("%s: failed to set configuration: %s\n", 312 devname, usbd_errstr(err)); 313 sc->sc_dying = 1; 314 goto error; 315 } 316 317 /* get the config descriptor */ 318 cdesc = usbd_get_config_descriptor(sc->sc_udev); 319 320 if (cdesc == NULL) { 321 printf("%s: failed to get configuration descriptor\n", 322 devname); 323 sc->sc_dying = 1; 324 goto error; 325 } 326 327 /* get the first interface */ 328 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 329 &sc->sc_iface); 330 if (err) { 331 printf("%s: failed to get interface: %s\n", 332 devname, usbd_errstr(err)); 333 sc->sc_dying = 1; 334 goto error; 335 } 336 337 /* Find the endpoints */ 338 339 id = usbd_get_interface_descriptor(sc->sc_iface); 340 sc->sc_iface_number = id->bInterfaceNumber; 341 342 for (i = 0; i < id->bNumEndpoints; i++) { 343 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 344 if (ed == NULL) { 345 printf("%s: no endpoint descriptor for %d\n", 346 USBDEVNAME(sc->sc_dev), i); 347 sc->sc_dying = 1; 348 goto error; 349 } 350 351 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 352 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 353 sc->sc_intr_number = ed->bEndpointAddress; 354 sc->sc_isize = UGETW(ed->wMaxPacketSize); 355 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 356 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 357 uca.bulkin = ed->bEndpointAddress; 358 uca.ibufsize = UGETW(ed->wMaxPacketSize); 359 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 360 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 361 uca.bulkout = ed->bEndpointAddress; 362 uca.obufsize = UGETW(ed->wMaxPacketSize); 363 } 364 } 365 366 if (sc->sc_intr_number == -1) { 367 printf("%s: Could not find interrupt in\n", devname); 368 sc->sc_dying = 1; 369 goto error; 370 } 371 372 if (uca.bulkin == -1) { 373 printf("%s: Could not find data bulk in\n", devname); 374 sc->sc_dying = 1; 375 goto error; 376 } 377 378 if (uca.bulkout == -1) { 379 printf("%s: Could not find data bulk out\n", devname); 380 sc->sc_dying = 1; 381 goto error; 382 } 383 384 uca.portno = UCOM_UNK_PORTNO; 385 /* bulkin, bulkout set above */ 386 uca.ibufsizepad = uca.ibufsize; 387 uca.opkthdrlen = 0; 388 uca.device = dev; 389 uca.iface = sc->sc_iface; 390 uca.methods = &ubsa_methods; 391 uca.arg = sc; 392 uca.info = NULL; 393 394 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 395 USBDEV(sc->sc_dev)); 396 397 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 398 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 399 400 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 401 ucomprint, ucomsubmatch); 402 403 USB_ATTACH_SUCCESS_RETURN; 404 405 error: 406 USB_ATTACH_ERROR_RETURN; 407 } 408 409 USB_DETACH(ubsa) 410 { 411 USB_DETACH_START(ubsa, sc); 412 int rv = 0; 413 414 415 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 416 417 if (sc->sc_intr_pipe != NULL) { 418 usbd_abort_pipe(sc->sc_intr_pipe); 419 usbd_close_pipe(sc->sc_intr_pipe); 420 free(sc->sc_intr_buf, M_USBDEV); 421 sc->sc_intr_pipe = NULL; 422 } 423 424 sc->sc_dying = 1; 425 if (sc->sc_subdev != NULL) { 426 rv = config_detach(sc->sc_subdev, flags); 427 sc->sc_subdev = NULL; 428 } 429 430 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 431 USBDEV(sc->sc_dev)); 432 433 return (rv); 434 } 435 436 int 437 ubsa_activate(device_ptr_t self, enum devact act) 438 { 439 struct ubsa_softc *sc = (struct ubsa_softc *)self; 440 int rv = 0; 441 442 switch (act) { 443 case DVACT_ACTIVATE: 444 return (EOPNOTSUPP); 445 446 case DVACT_DEACTIVATE: 447 if (sc->sc_subdev != NULL) 448 rv = config_deactivate(sc->sc_subdev); 449 sc->sc_dying = 1; 450 break; 451 } 452 return (rv); 453 } 454 455 Static int 456 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 457 { 458 usb_device_request_t req; 459 usbd_status err; 460 461 if (sc->sc_quadumts) 462 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 463 else 464 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 465 466 req.bRequest = request; 467 USETW(req.wValue, value); 468 USETW(req.wIndex, sc->sc_iface_number); 469 USETW(req.wLength, 0); 470 471 err = usbd_do_request(sc->sc_udev, &req, 0); 472 if (err) 473 printf("%s: ubsa_request: %s\n", 474 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 475 return (err); 476 } 477 478 Static void 479 ubsa_dtr(struct ubsa_softc *sc, int onoff) 480 { 481 482 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 483 484 if (sc->sc_dtr == onoff) 485 return; 486 sc->sc_dtr = onoff; 487 488 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 489 } 490 491 Static void 492 ubsa_rts(struct ubsa_softc *sc, int onoff) 493 { 494 495 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 496 497 if (sc->sc_rts == onoff) 498 return; 499 sc->sc_rts = onoff; 500 501 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 502 } 503 504 Static void 505 ubsa_quadumts_dtr(struct ubsa_softc *sc, int onoff) 506 { 507 508 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 509 510 if (sc->sc_dtr == onoff) 511 return; 512 sc->sc_dtr = onoff; 513 514 ubsa_request(sc, UBSA_QUADUMTS_SET_PIN, (sc->sc_rts ? 2 : 0)+(sc->sc_dtr ? 1 : 0)); 515 } 516 517 Static void 518 ubsa_quadumts_rts(struct ubsa_softc *sc, int onoff) 519 { 520 521 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 522 523 if (sc->sc_rts == onoff) 524 return; 525 sc->sc_rts = onoff; 526 527 ubsa_request(sc, UBSA_QUADUMTS_SET_PIN, (sc->sc_rts ? 2 : 0)+(sc->sc_dtr ? 1 : 0)); 528 } 529 530 Static void 531 ubsa_break(struct ubsa_softc *sc, int onoff) 532 { 533 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 534 535 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 536 } 537 538 Static void 539 ubsa_set(void *addr, int portno, int reg, int onoff) 540 { 541 struct ubsa_softc *sc; 542 543 sc = addr; 544 switch (reg) { 545 case UCOM_SET_DTR: 546 if (sc->sc_quadumts) 547 ubsa_quadumts_dtr(sc, onoff); 548 else 549 ubsa_dtr(sc, onoff); 550 break; 551 case UCOM_SET_RTS: 552 if (sc->sc_quadumts) 553 ubsa_quadumts_rts(sc, onoff); 554 else 555 ubsa_rts(sc, onoff); 556 break; 557 case UCOM_SET_BREAK: 558 if (!sc->sc_quadumts) 559 ubsa_break(sc, onoff); 560 break; 561 default: 562 break; 563 } 564 } 565 566 Static void 567 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 568 { 569 u_int16_t value = 0; 570 571 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 572 573 switch(speed) { 574 case B0: 575 break; 576 case B300: 577 case B600: 578 case B1200: 579 case B2400: 580 case B4800: 581 case B9600: 582 case B19200: 583 case B38400: 584 case B57600: 585 case B115200: 586 case B230400: 587 value = B230400 / speed; 588 break; 589 default: 590 printf("%s: ubsa_param: unsupported baudrate, " 591 "forcing default of 9600\n", 592 USBDEVNAME(sc->sc_dev)); 593 value = B230400 / B9600; 594 break; 595 }; 596 597 if (speed == B0) { 598 ubsa_flow(sc, 0, 0); 599 ubsa_dtr(sc, 0); 600 ubsa_rts(sc, 0); 601 } else 602 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 603 } 604 605 Static void 606 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 607 { 608 int value; 609 610 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 611 612 if (cflag & PARENB) 613 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 614 else 615 value = UBSA_PARITY_NONE; 616 617 ubsa_request(sc, UBSA_SET_PARITY, value); 618 } 619 620 Static void 621 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 622 { 623 int value; 624 625 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 626 627 switch (cflag & CSIZE) { 628 case CS5: value = 0; break; 629 case CS6: value = 1; break; 630 case CS7: value = 2; break; 631 case CS8: value = 3; break; 632 default: 633 printf("%s: ubsa_param: unsupported databits requested, " 634 "forcing default of 8\n", 635 USBDEVNAME(sc->sc_dev)); 636 value = 3; 637 } 638 639 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 640 } 641 642 Static void 643 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 644 { 645 int value; 646 647 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 648 649 value = (cflag & CSTOPB) ? 1 : 0; 650 651 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 652 } 653 654 Static void 655 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 656 { 657 int value; 658 659 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 660 661 value = 0; 662 if (cflag & CRTSCTS) 663 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 664 if (iflag & (IXON|IXOFF)) 665 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 666 667 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 668 } 669 670 Static int 671 ubsa_param(void *addr, int portno, struct termios *ti) 672 { 673 struct ubsa_softc *sc = addr; 674 675 DPRINTF(("ubsa_param: sc = %p\n", sc)); 676 677 if (!sc->sc_quadumts) { 678 ubsa_baudrate(sc, ti->c_ospeed); 679 ubsa_parity(sc, ti->c_cflag); 680 ubsa_databits(sc, ti->c_cflag); 681 ubsa_stopbits(sc, ti->c_cflag); 682 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 683 } 684 685 return (0); 686 } 687 688 Static int 689 ubsa_open(void *addr, int portno) 690 { 691 struct ubsa_softc *sc = addr; 692 int err; 693 694 if (sc->sc_dying) 695 return (ENXIO); 696 697 DPRINTF(("ubsa_open: sc = %p\n", sc)); 698 699 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 700 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 701 err = usbd_open_pipe_intr(sc->sc_iface, 702 sc->sc_intr_number, 703 USBD_SHORT_XFER_OK, 704 &sc->sc_intr_pipe, 705 sc, 706 sc->sc_intr_buf, 707 sc->sc_isize, 708 ubsa_intr, 709 UBSA_INTR_INTERVAL); 710 if (err) { 711 printf("%s: cannot open interrupt pipe (addr %d)\n", 712 USBDEVNAME(sc->sc_dev), 713 sc->sc_intr_number); 714 return (EIO); 715 } 716 } 717 718 return (0); 719 } 720 721 Static void 722 ubsa_close(void *addr, int portno) 723 { 724 struct ubsa_softc *sc = addr; 725 int err; 726 727 if (sc->sc_dying) 728 return; 729 730 DPRINTF(("ubsa_close: close\n")); 731 732 if (sc->sc_intr_pipe != NULL) { 733 err = usbd_abort_pipe(sc->sc_intr_pipe); 734 if (err) 735 printf("%s: abort interrupt pipe failed: %s\n", 736 USBDEVNAME(sc->sc_dev), 737 usbd_errstr(err)); 738 err = usbd_close_pipe(sc->sc_intr_pipe); 739 if (err) 740 printf("%s: close interrupt pipe failed: %s\n", 741 USBDEVNAME(sc->sc_dev), 742 usbd_errstr(err)); 743 free(sc->sc_intr_buf, M_USBDEV); 744 sc->sc_intr_pipe = NULL; 745 } 746 } 747 748 Static void 749 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 750 usbd_status status) 751 { 752 struct ubsa_softc *sc = priv; 753 u_char *buf; 754 755 buf = sc->sc_intr_buf; 756 if (sc->sc_dying) 757 return; 758 759 if (status != USBD_NORMAL_COMPLETION) { 760 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 761 return; 762 763 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 764 USBDEVNAME(sc->sc_dev), usbd_errstr(status))); 765 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 766 return; 767 } 768 769 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 770 sc->sc_lsr = buf[2]; 771 sc->sc_msr = buf[3]; 772 773 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 774 USBDEVNAME(sc->sc_dev), sc->sc_lsr, sc->sc_msr)); 775 776 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 777 } 778 779 Static void 780 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 781 { 782 struct ubsa_softc *sc = addr; 783 784 DPRINTF(("ubsa_get_status\n")); 785 786 if (lsr != NULL) 787 *lsr = sc->sc_lsr; 788 if (msr != NULL) 789 *msr = sc->sc_msr; 790 } 791
Indexes created Sun Oct 12 09:09:55 GMT 2025