ubsa.c revision 1.18.10.1
1 /* $NetBSD: ubsa.c,v 1.18.10.1 2007/06/18 13:45:47 itohy 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 1.18.10.1 2007/06/18 13:45:47 itohy 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 #ifndef USB_USE_IFATTACH 254 if (uaa->iface != NULL) 255 return (UMATCH_NONE); 256 #endif /* USB_USE_IFATTACH */ 257 258 return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ? 259 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 260 } 261 262 USB_ATTACH(ubsa) 263 { 264 USB_ATTACH_START(ubsa, sc, uaa); 265 usbd_device_handle dev = uaa->device; 266 usb_config_descriptor_t *cdesc; 267 usb_interface_descriptor_t *id; 268 usb_endpoint_descriptor_t *ed; 269 char *devinfop; 270 const char *devname = USBDEVNAME(sc->sc_dev); 271 usbd_status err; 272 struct ucom_attach_args uca; 273 int i; 274 275 devinfop = usbd_devinfo_alloc(dev, 0); 276 USB_ATTACH_SETUP; 277 printf("%s: %s\n", devname, devinfop); 278 usbd_devinfo_free(devinfop); 279 280 sc->sc_udev = dev; 281 282 /* 283 * initialize rts, dtr variables to something 284 * different from boolean 0, 1 285 */ 286 sc->sc_dtr = -1; 287 sc->sc_rts = -1; 288 289 /* 290 * Quad UMTS cards use different requests to 291 * control com settings and only some. 292 */ 293 sc->sc_quadumts = 0; 294 if (uaa->vendor == USB_VENDOR_OPTIONNV) { 295 switch (uaa->product) { 296 case USB_PRODUCT_OPTIONNV_QUADUMTS: 297 case USB_PRODUCT_OPTIONNV_QUADUMTS2: 298 sc->sc_quadumts = 1; 299 break; 300 } 301 } 302 303 DPRINTF(("ubsa attach: sc = %p\n", sc)); 304 305 /* initialize endpoints */ 306 uca.bulkin = uca.bulkout = -1; 307 sc->sc_intr_number = -1; 308 sc->sc_intr_pipe = NULL; 309 310 /* Move the device into the configured state. */ 311 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1); 312 if (err) { 313 printf("%s: failed to set configuration: %s\n", 314 devname, usbd_errstr(err)); 315 sc->sc_dying = 1; 316 goto error; 317 } 318 319 /* get the config descriptor */ 320 cdesc = usbd_get_config_descriptor(sc->sc_udev); 321 322 if (cdesc == NULL) { 323 printf("%s: failed to get configuration descriptor\n", 324 devname); 325 sc->sc_dying = 1; 326 goto error; 327 } 328 329 /* get the first interface */ 330 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX, 331 &sc->sc_iface); 332 if (err) { 333 printf("%s: failed to get interface: %s\n", 334 devname, usbd_errstr(err)); 335 sc->sc_dying = 1; 336 goto error; 337 } 338 339 /* Find the endpoints */ 340 341 id = usbd_get_interface_descriptor(sc->sc_iface); 342 sc->sc_iface_number = id->bInterfaceNumber; 343 344 for (i = 0; i < id->bNumEndpoints; i++) { 345 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 346 if (ed == NULL) { 347 printf("%s: no endpoint descriptor for %d\n", 348 USBDEVNAME(sc->sc_dev), i); 349 sc->sc_dying = 1; 350 goto error; 351 } 352 353 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 354 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 355 sc->sc_intr_number = ed->bEndpointAddress; 356 sc->sc_isize = UGETW(ed->wMaxPacketSize); 357 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 358 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 359 uca.bulkin = ed->bEndpointAddress; 360 uca.ibufsize = UGETW(ed->wMaxPacketSize); 361 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 362 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 363 uca.bulkout = ed->bEndpointAddress; 364 uca.obufsize = UGETW(ed->wMaxPacketSize); 365 } 366 } 367 368 if (sc->sc_intr_number == -1) { 369 printf("%s: Could not find interrupt in\n", devname); 370 sc->sc_dying = 1; 371 goto error; 372 } 373 374 if (uca.bulkin == -1) { 375 printf("%s: Could not find data bulk in\n", devname); 376 sc->sc_dying = 1; 377 goto error; 378 } 379 380 if (uca.bulkout == -1) { 381 printf("%s: Could not find data bulk out\n", devname); 382 sc->sc_dying = 1; 383 goto error; 384 } 385 386 uca.portno = UCOM_UNK_PORTNO; 387 /* bulkin, bulkout set above */ 388 uca.ibufsizepad = uca.ibufsize; 389 uca.opkthdrlen = 0; 390 uca.device = dev; 391 uca.iface = sc->sc_iface; 392 uca.methods = &ubsa_methods; 393 uca.arg = sc; 394 uca.info = NULL; 395 396 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 397 USBDEV(sc->sc_dev)); 398 399 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n", 400 uca.bulkin, uca.bulkout, sc->sc_intr_number)); 401 402 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 403 ucomprint, ucomsubmatch); 404 405 USB_ATTACH_SUCCESS_RETURN; 406 407 error: 408 USB_ATTACH_ERROR_RETURN; 409 } 410 411 USB_DETACH(ubsa) 412 { 413 USB_DETACH_START(ubsa, sc); 414 int rv = 0; 415 416 417 DPRINTF(("ubsa_detach: sc = %p\n", sc)); 418 419 if (sc->sc_intr_pipe != NULL) { 420 usbd_abort_pipe(sc->sc_intr_pipe); 421 usbd_close_pipe(sc->sc_intr_pipe); 422 free(sc->sc_intr_buf, M_USBDEV); 423 sc->sc_intr_pipe = NULL; 424 } 425 426 sc->sc_dying = 1; 427 if (sc->sc_subdev != NULL) { 428 rv = config_detach(sc->sc_subdev, flags); 429 sc->sc_subdev = NULL; 430 } 431 432 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 433 USBDEV(sc->sc_dev)); 434 435 return (rv); 436 } 437 438 int 439 ubsa_activate(device_ptr_t self, enum devact act) 440 { 441 struct ubsa_softc *sc = (struct ubsa_softc *)self; 442 int rv = 0; 443 444 switch (act) { 445 case DVACT_ACTIVATE: 446 return (EOPNOTSUPP); 447 448 case DVACT_DEACTIVATE: 449 if (sc->sc_subdev != NULL) 450 rv = config_deactivate(sc->sc_subdev); 451 sc->sc_dying = 1; 452 break; 453 } 454 return (rv); 455 } 456 457 Static int 458 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value) 459 { 460 usb_device_request_t req; 461 usbd_status err; 462 463 if (sc->sc_quadumts) 464 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 465 else 466 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 467 468 req.bRequest = request; 469 USETW(req.wValue, value); 470 USETW(req.wIndex, sc->sc_iface_number); 471 USETW(req.wLength, 0); 472 473 err = usbd_do_request(sc->sc_udev, &req, 0); 474 if (err) 475 printf("%s: ubsa_request: %s\n", 476 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 477 return (err); 478 } 479 480 Static void 481 ubsa_dtr(struct ubsa_softc *sc, int onoff) 482 { 483 484 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 485 486 if (sc->sc_dtr == onoff) 487 return; 488 sc->sc_dtr = onoff; 489 490 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0); 491 } 492 493 Static void 494 ubsa_rts(struct ubsa_softc *sc, int onoff) 495 { 496 497 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 498 499 if (sc->sc_rts == onoff) 500 return; 501 sc->sc_rts = onoff; 502 503 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0); 504 } 505 506 Static void 507 ubsa_quadumts_dtr(struct ubsa_softc *sc, int onoff) 508 { 509 510 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff)); 511 512 if (sc->sc_dtr == onoff) 513 return; 514 sc->sc_dtr = onoff; 515 516 ubsa_request(sc, UBSA_QUADUMTS_SET_PIN, (sc->sc_rts ? 2 : 0)+(sc->sc_dtr ? 1 : 0)); 517 } 518 519 Static void 520 ubsa_quadumts_rts(struct ubsa_softc *sc, int onoff) 521 { 522 523 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 524 525 if (sc->sc_rts == onoff) 526 return; 527 sc->sc_rts = onoff; 528 529 ubsa_request(sc, UBSA_QUADUMTS_SET_PIN, (sc->sc_rts ? 2 : 0)+(sc->sc_dtr ? 1 : 0)); 530 } 531 532 Static void 533 ubsa_break(struct ubsa_softc *sc, int onoff) 534 { 535 DPRINTF(("ubsa_rts: onoff = %d\n", onoff)); 536 537 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0); 538 } 539 540 Static void 541 ubsa_set(void *addr, int portno, int reg, int onoff) 542 { 543 struct ubsa_softc *sc; 544 545 sc = addr; 546 switch (reg) { 547 case UCOM_SET_DTR: 548 if (sc->sc_quadumts) 549 ubsa_quadumts_dtr(sc, onoff); 550 else 551 ubsa_dtr(sc, onoff); 552 break; 553 case UCOM_SET_RTS: 554 if (sc->sc_quadumts) 555 ubsa_quadumts_rts(sc, onoff); 556 else 557 ubsa_rts(sc, onoff); 558 break; 559 case UCOM_SET_BREAK: 560 if (!sc->sc_quadumts) 561 ubsa_break(sc, onoff); 562 break; 563 default: 564 break; 565 } 566 } 567 568 Static void 569 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) 570 { 571 u_int16_t value = 0; 572 573 DPRINTF(("ubsa_baudrate: speed = %d\n", speed)); 574 575 switch(speed) { 576 case B0: 577 break; 578 case B300: 579 case B600: 580 case B1200: 581 case B2400: 582 case B4800: 583 case B9600: 584 case B19200: 585 case B38400: 586 case B57600: 587 case B115200: 588 case B230400: 589 value = B230400 / speed; 590 break; 591 default: 592 printf("%s: ubsa_param: unsupported baudrate, " 593 "forcing default of 9600\n", 594 USBDEVNAME(sc->sc_dev)); 595 value = B230400 / B9600; 596 break; 597 }; 598 599 if (speed == B0) { 600 ubsa_flow(sc, 0, 0); 601 ubsa_dtr(sc, 0); 602 ubsa_rts(sc, 0); 603 } else 604 ubsa_request(sc, UBSA_SET_BAUDRATE, value); 605 } 606 607 Static void 608 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) 609 { 610 int value; 611 612 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag)); 613 614 if (cflag & PARENB) 615 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; 616 else 617 value = UBSA_PARITY_NONE; 618 619 ubsa_request(sc, UBSA_SET_PARITY, value); 620 } 621 622 Static void 623 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) 624 { 625 int value; 626 627 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag)); 628 629 switch (cflag & CSIZE) { 630 case CS5: value = 0; break; 631 case CS6: value = 1; break; 632 case CS7: value = 2; break; 633 case CS8: value = 3; break; 634 default: 635 printf("%s: ubsa_param: unsupported databits requested, " 636 "forcing default of 8\n", 637 USBDEVNAME(sc->sc_dev)); 638 value = 3; 639 } 640 641 ubsa_request(sc, UBSA_SET_DATA_BITS, value); 642 } 643 644 Static void 645 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) 646 { 647 int value; 648 649 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag)); 650 651 value = (cflag & CSTOPB) ? 1 : 0; 652 653 ubsa_request(sc, UBSA_SET_STOP_BITS, value); 654 } 655 656 Static void 657 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 658 { 659 int value; 660 661 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag)); 662 663 value = 0; 664 if (cflag & CRTSCTS) 665 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; 666 if (iflag & (IXON|IXOFF)) 667 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; 668 669 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value); 670 } 671 672 Static int 673 ubsa_param(void *addr, int portno, struct termios *ti) 674 { 675 struct ubsa_softc *sc = addr; 676 677 DPRINTF(("ubsa_param: sc = %p\n", sc)); 678 679 if (!sc->sc_quadumts) { 680 ubsa_baudrate(sc, ti->c_ospeed); 681 ubsa_parity(sc, ti->c_cflag); 682 ubsa_databits(sc, ti->c_cflag); 683 ubsa_stopbits(sc, ti->c_cflag); 684 ubsa_flow(sc, ti->c_cflag, ti->c_iflag); 685 } 686 687 return (0); 688 } 689 690 Static int 691 ubsa_open(void *addr, int portno) 692 { 693 struct ubsa_softc *sc = addr; 694 int err; 695 696 if (sc->sc_dying) 697 return (ENXIO); 698 699 DPRINTF(("ubsa_open: sc = %p\n", sc)); 700 701 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 702 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 703 err = usbd_open_pipe_intr(sc->sc_iface, 704 sc->sc_intr_number, 705 USBD_SHORT_XFER_OK, 706 &sc->sc_intr_pipe, 707 sc, 708 sc->sc_intr_buf, 709 sc->sc_isize, 710 ubsa_intr, 711 UBSA_INTR_INTERVAL); 712 if (err) { 713 printf("%s: cannot open interrupt pipe (addr %d)\n", 714 USBDEVNAME(sc->sc_dev), 715 sc->sc_intr_number); 716 return (EIO); 717 } 718 } 719 720 return (0); 721 } 722 723 Static void 724 ubsa_close(void *addr, int portno) 725 { 726 struct ubsa_softc *sc = addr; 727 int err; 728 729 if (sc->sc_dying) 730 return; 731 732 DPRINTF(("ubsa_close: close\n")); 733 734 if (sc->sc_intr_pipe != NULL) { 735 err = usbd_abort_pipe(sc->sc_intr_pipe); 736 if (err) 737 printf("%s: abort interrupt pipe failed: %s\n", 738 USBDEVNAME(sc->sc_dev), 739 usbd_errstr(err)); 740 err = usbd_close_pipe(sc->sc_intr_pipe); 741 if (err) 742 printf("%s: close interrupt pipe failed: %s\n", 743 USBDEVNAME(sc->sc_dev), 744 usbd_errstr(err)); 745 free(sc->sc_intr_buf, M_USBDEV); 746 sc->sc_intr_pipe = NULL; 747 } 748 } 749 750 Static void 751 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 752 usbd_status status) 753 { 754 struct ubsa_softc *sc = priv; 755 u_char *buf; 756 757 buf = sc->sc_intr_buf; 758 if (sc->sc_dying) 759 return; 760 761 if (status != USBD_NORMAL_COMPLETION) { 762 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 763 return; 764 765 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n", 766 USBDEVNAME(sc->sc_dev), usbd_errstr(status))); 767 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 768 return; 769 } 770 771 /* incidentally, Belkin adapter status bits match UART 16550 bits */ 772 sc->sc_lsr = buf[2]; 773 sc->sc_msr = buf[3]; 774 775 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n", 776 USBDEVNAME(sc->sc_dev), sc->sc_lsr, sc->sc_msr)); 777 778 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 779 } 780 781 Static void 782 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 783 { 784 struct ubsa_softc *sc = addr; 785 786 DPRINTF(("ubsa_get_status\n")); 787 788 if (lsr != NULL) 789 *lsr = sc->sc_lsr; 790 if (msr != NULL) 791 *msr = sc->sc_msr; 792 } 793
Indexes created Sun Oct 12 05:10:08 GMT 2025