uplcom.c revision 1.43
1 /* $NetBSD: uplcom.c,v 1.43 2005/05/11 20:25:01 augustss Exp $ */ 2 /* 3 * Copyright (c) 2001 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Ichiro FUKUHARA (ichiro (at) ichiro.org). 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* 39 * General information: http://www.prolific.com.tw/fr_pl2303.htm 40 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.43 2005/05/11 20:25:01 augustss Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #include <sys/ioctl.h> 51 #include <sys/conf.h> 52 #include <sys/tty.h> 53 #include <sys/file.h> 54 #include <sys/select.h> 55 #include <sys/proc.h> 56 #include <sys/device.h> 57 #include <sys/poll.h> 58 59 #include <dev/usb/usb.h> 60 #include <dev/usb/usbcdc.h> 61 62 #include <dev/usb/usbdi.h> 63 #include <dev/usb/usbdi_util.h> 64 #include <dev/usb/usbdevs.h> 65 #include <dev/usb/usb_quirks.h> 66 67 #include <dev/usb/usbdevs.h> 68 #include <dev/usb/ucomvar.h> 69 70 #ifdef UPLCOM_DEBUG 71 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 72 int uplcomdebug = 0; 73 #else 74 #define DPRINTFN(n, x) 75 #endif 76 #define DPRINTF(x) DPRINTFN(0, x) 77 78 #define UPLCOM_CONFIG_INDEX 0 79 #define UPLCOM_IFACE_INDEX 0 80 #define UPLCOM_SECOND_IFACE_INDEX 1 81 82 #define UPLCOM_SET_REQUEST 0x01 83 #define UPLCOM_SET_CRTSCTS_0 0x41 84 #define UPLCOM_SET_CRTSCTS_HX 0x61 85 #define RSAQ_STATUS_DSR 0x02 86 #define RSAQ_STATUS_DCD 0x01 87 88 #define UPLCOM_FLOW_OUT_CTS 0x0001 89 #define UPLCOM_FLOW_OUT_DSR 0x0002 90 #define UPLCOM_FLOW_IN_DSR 0x0004 91 #define UPLCOM_FLOW_IN_DTR 0x0008 92 #define UPLCOM_FLOW_IN_RTS 0x0010 93 #define UPLCOM_FLOW_OUT_RTS 0x0020 94 #define UPLCOM_FLOW_OUT_XON 0x0080 95 #define UPLCOM_FLOW_IN_XON 0x0100 96 97 enum pl2303_type { 98 UPLCOM_TYPE_0, 99 UPLCOM_TYPE_HX, 100 }; 101 102 struct uplcom_softc { 103 USBBASEDEVICE sc_dev; /* base device */ 104 usbd_device_handle sc_udev; /* USB device */ 105 usbd_interface_handle sc_iface; /* interface */ 106 int sc_iface_number; /* interface number */ 107 108 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 109 int sc_intr_number; /* interrupt number */ 110 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 111 u_char *sc_intr_buf; /* interrupt buffer */ 112 int sc_isize; 113 114 usb_cdc_line_state_t sc_line_state; /* current line state */ 115 int sc_dtr; /* current DTR state */ 116 int sc_rts; /* current RTS state */ 117 118 device_ptr_t sc_subdev; /* ucom device */ 119 120 u_char sc_dying; /* disconnecting */ 121 122 u_char sc_lsr; /* Local status register */ 123 u_char sc_msr; /* uplcom status register */ 124 125 enum pl2303_type sc_type; /* PL2303 chip type */ 126 }; 127 128 /* 129 * These are the maximum number of bytes transferred per frame. 130 * The output buffer size cannot be increased due to the size encoding. 131 */ 132 #define UPLCOMIBUFSIZE 256 133 #define UPLCOMOBUFSIZE 256 134 135 Static usbd_status uplcom_reset(struct uplcom_softc *); 136 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 137 usb_cdc_line_state_t *state); 138 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 139 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 140 141 Static void uplcom_set(void *, int, int, int); 142 Static void uplcom_dtr(struct uplcom_softc *, int); 143 Static void uplcom_rts(struct uplcom_softc *, int); 144 Static void uplcom_break(struct uplcom_softc *, int); 145 Static void uplcom_set_line_state(struct uplcom_softc *); 146 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 147 #if TODO 148 Static int uplcom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr ); 149 #endif 150 Static int uplcom_param(void *, int, struct termios *); 151 Static int uplcom_open(void *, int); 152 Static void uplcom_close(void *, int); 153 Static usbd_status uplcom_vendor_control_write(usbd_device_handle, u_int16_t, u_int16_t); 154 155 struct ucom_methods uplcom_methods = { 156 uplcom_get_status, 157 uplcom_set, 158 uplcom_param, 159 NULL, /* uplcom_ioctl, TODO */ 160 uplcom_open, 161 uplcom_close, 162 NULL, 163 NULL, 164 }; 165 166 static const struct usb_devno uplcom_devs[] = { 167 /* I/O DATA USB-RSAQ2 */ 168 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 169 /* I/O DATA USB-RSAQ */ 170 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 171 /* PLANEX USB-RS232 URS-03 */ 172 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 173 /* IOGEAR/ATEN UC-232A */ 174 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 175 /* IOGEAR/ATENTRIPPLITE */ 176 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 177 /* ELECOM UC-SGT */ 178 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 179 /* RATOC REX-USB60 */ 180 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 181 /* TDK USB-PHS Adapter UHA6400 */ 182 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 183 /* TDK USB-PDC Adapter UPA9664 */ 184 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 185 /* Sony Ericsson USB Cable */ 186 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 187 /* SOURCENEXT KeikaiDenwa 8 */ 188 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 189 /* SOURCENEXT KeikaiDenwa 8 with charger */ 190 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 191 /* HAL Corporation Crossam2+USB */ 192 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 193 /* Sitecom USB to serial cable */ 194 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 195 /* Pharos USB GPS - Microsoft version */ 196 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 197 }; 198 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 199 200 201 USB_DECLARE_DRIVER(uplcom); 202 203 USB_MATCH(uplcom) 204 { 205 USB_MATCH_START(uplcom, uaa); 206 207 if (uaa->iface != NULL) 208 return (UMATCH_NONE); 209 210 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 211 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 212 } 213 214 USB_ATTACH(uplcom) 215 { 216 USB_ATTACH_START(uplcom, sc, uaa); 217 usbd_device_handle dev = uaa->device; 218 usb_device_descriptor_t *ddesc; 219 usb_config_descriptor_t *cdesc; 220 usb_interface_descriptor_t *id; 221 usb_endpoint_descriptor_t *ed; 222 char *devinfop; 223 char *devname = USBDEVNAME(sc->sc_dev); 224 usbd_status err; 225 int i; 226 struct ucom_attach_args uca; 227 228 devinfop = usbd_devinfo_alloc(dev, 0); 229 USB_ATTACH_SETUP; 230 printf("%s: %s\n", devname, devinfop); 231 usbd_devinfo_free(devinfop); 232 233 sc->sc_udev = dev; 234 235 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 236 237 /* initialize endpoints */ 238 uca.bulkin = uca.bulkout = -1; 239 sc->sc_intr_number = -1; 240 sc->sc_intr_pipe = NULL; 241 242 /* Move the device into the configured state. */ 243 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 244 if (err) { 245 printf("\n%s: failed to set configuration, err=%s\n", 246 devname, usbd_errstr(err)); 247 sc->sc_dying = 1; 248 USB_ATTACH_ERROR_RETURN; 249 } 250 251 /* get the device descriptor */ 252 ddesc = usbd_get_device_descriptor(sc->sc_udev); 253 if (ddesc == NULL) { 254 printf("%s: failed to get device descriptor\n", 255 USBDEVNAME(sc->sc_dev)); 256 sc->sc_dying = 1; 257 USB_ATTACH_ERROR_RETURN; 258 } 259 260 /* 261 * NOTE: The Linux driver distinguishes between UPLCOM_TYPE_0 262 * and UPLCOM_TYPE_1 type chips by testing other fields in the 263 * device descriptor. As far as the uplcom driver is 264 * concerned, both types are identical. 265 * The bcdDevice field should also distinguish these versions, 266 * but who knows. 267 */ 268 if (UGETW(ddesc->bcdDevice) == 0x0300) 269 sc->sc_type = UPLCOM_TYPE_HX; 270 else 271 sc->sc_type = UPLCOM_TYPE_0; 272 273 /* get the config descriptor */ 274 cdesc = usbd_get_config_descriptor(sc->sc_udev); 275 276 if (cdesc == NULL) { 277 printf("%s: failed to get configuration descriptor\n", 278 USBDEVNAME(sc->sc_dev)); 279 sc->sc_dying = 1; 280 USB_ATTACH_ERROR_RETURN; 281 } 282 283 /* get the (first/common) interface */ 284 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 285 &sc->sc_iface); 286 if (err) { 287 printf("\n%s: failed to get interface, err=%s\n", 288 devname, usbd_errstr(err)); 289 sc->sc_dying = 1; 290 USB_ATTACH_ERROR_RETURN; 291 } 292 293 /* Find the interrupt endpoints */ 294 295 id = usbd_get_interface_descriptor(sc->sc_iface); 296 sc->sc_iface_number = id->bInterfaceNumber; 297 298 for (i = 0; i < id->bNumEndpoints; i++) { 299 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 300 if (ed == NULL) { 301 printf("%s: no endpoint descriptor for %d\n", 302 USBDEVNAME(sc->sc_dev), i); 303 sc->sc_dying = 1; 304 USB_ATTACH_ERROR_RETURN; 305 } 306 307 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 308 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 309 sc->sc_intr_number = ed->bEndpointAddress; 310 sc->sc_isize = UGETW(ed->wMaxPacketSize); 311 } 312 } 313 314 if (sc->sc_intr_number== -1) { 315 printf("%s: Could not find interrupt in\n", 316 USBDEVNAME(sc->sc_dev)); 317 sc->sc_dying = 1; 318 USB_ATTACH_ERROR_RETURN; 319 } 320 321 /* keep interface for interrupt */ 322 sc->sc_intr_iface = sc->sc_iface; 323 324 /* 325 * USB-RSAQ1 has two interface 326 * 327 * USB-RSAQ1 | USB-RSAQ2 328 * -----------------+----------------- 329 * Interface 0 |Interface 0 330 * Interrupt(0x81) | Interrupt(0x81) 331 * -----------------+ BulkIN(0x02) 332 * Interface 1 | BulkOUT(0x83) 333 * BulkIN(0x02) | 334 * BulkOUT(0x83) | 335 */ 336 if (cdesc->bNumInterface == 2) { 337 err = usbd_device2interface_handle(dev, 338 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 339 if (err) { 340 printf("\n%s: failed to get second interface, err=%s\n", 341 devname, usbd_errstr(err)); 342 sc->sc_dying = 1; 343 USB_ATTACH_ERROR_RETURN; 344 } 345 } 346 347 /* Find the bulk{in,out} endpoints */ 348 349 id = usbd_get_interface_descriptor(sc->sc_iface); 350 sc->sc_iface_number = id->bInterfaceNumber; 351 352 for (i = 0; i < id->bNumEndpoints; i++) { 353 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 354 if (ed == NULL) { 355 printf("%s: no endpoint descriptor for %d\n", 356 USBDEVNAME(sc->sc_dev), i); 357 sc->sc_dying = 1; 358 USB_ATTACH_ERROR_RETURN; 359 } 360 361 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 362 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 363 uca.bulkin = ed->bEndpointAddress; 364 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 365 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 366 uca.bulkout = ed->bEndpointAddress; 367 } 368 } 369 370 if (uca.bulkin == -1) { 371 printf("%s: Could not find data bulk in\n", 372 USBDEVNAME(sc->sc_dev)); 373 sc->sc_dying = 1; 374 USB_ATTACH_ERROR_RETURN; 375 } 376 377 if (uca.bulkout == -1) { 378 printf("%s: Could not find data bulk out\n", 379 USBDEVNAME(sc->sc_dev)); 380 sc->sc_dying = 1; 381 USB_ATTACH_ERROR_RETURN; 382 } 383 384 sc->sc_dtr = sc->sc_rts = -1; 385 uca.portno = UCOM_UNK_PORTNO; 386 /* bulkin, bulkout set above */ 387 uca.ibufsize = UPLCOMIBUFSIZE; 388 uca.obufsize = UPLCOMOBUFSIZE; 389 uca.ibufsizepad = UPLCOMIBUFSIZE; 390 uca.opkthdrlen = 0; 391 uca.device = dev; 392 uca.iface = sc->sc_iface; 393 uca.methods = &uplcom_methods; 394 uca.arg = sc; 395 uca.info = NULL; 396 397 err = uplcom_reset(sc); 398 399 if (err) { 400 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 401 usbd_errstr(err)); 402 sc->sc_dying = 1; 403 USB_ATTACH_ERROR_RETURN; 404 } 405 406 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 407 USBDEV(sc->sc_dev)); 408 409 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 410 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 411 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 412 ucomprint, ucomsubmatch); 413 414 USB_ATTACH_SUCCESS_RETURN; 415 } 416 417 USB_DETACH(uplcom) 418 { 419 USB_DETACH_START(uplcom, sc); 420 int rv = 0; 421 422 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 423 424 if (sc->sc_intr_pipe != NULL) { 425 usbd_abort_pipe(sc->sc_intr_pipe); 426 usbd_close_pipe(sc->sc_intr_pipe); 427 free(sc->sc_intr_buf, M_USBDEV); 428 sc->sc_intr_pipe = NULL; 429 } 430 431 sc->sc_dying = 1; 432 if (sc->sc_subdev != NULL) { 433 rv = config_detach(sc->sc_subdev, flags); 434 sc->sc_subdev = NULL; 435 } 436 437 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 438 USBDEV(sc->sc_dev)); 439 440 return (rv); 441 } 442 443 int 444 uplcom_activate(device_ptr_t self, enum devact act) 445 { 446 struct uplcom_softc *sc = (struct uplcom_softc *)self; 447 int rv = 0; 448 449 switch (act) { 450 case DVACT_ACTIVATE: 451 return (EOPNOTSUPP); 452 453 case DVACT_DEACTIVATE: 454 if (sc->sc_subdev != NULL) 455 rv = config_deactivate(sc->sc_subdev); 456 sc->sc_dying = 1; 457 break; 458 } 459 return (rv); 460 } 461 462 usbd_status 463 uplcom_reset(struct uplcom_softc *sc) 464 { 465 usb_device_request_t req; 466 usbd_status err; 467 468 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 469 req.bRequest = UPLCOM_SET_REQUEST; 470 USETW(req.wValue, 0); 471 USETW(req.wIndex, sc->sc_iface_number); 472 USETW(req.wLength, 0); 473 474 err = usbd_do_request(sc->sc_udev, &req, 0); 475 if (err) 476 return (EIO); 477 478 return (0); 479 } 480 481 void 482 uplcom_set_line_state(struct uplcom_softc *sc) 483 { 484 usb_device_request_t req; 485 int ls; 486 487 /* make sure we have initialized state for sc_dtr and sc_rts */ 488 if (sc->sc_dtr == -1) 489 sc->sc_dtr = 0; 490 if (sc->sc_rts == -1) 491 sc->sc_rts = 0; 492 493 ls = (sc->sc_dtr ? UPLCOM_FLOW_OUT_DSR : 0) | 494 (sc->sc_rts ? UPLCOM_FLOW_OUT_CTS : 0); 495 496 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 497 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 498 USETW(req.wValue, ls); 499 USETW(req.wIndex, sc->sc_iface_number); 500 USETW(req.wLength, 0); 501 502 (void)usbd_do_request(sc->sc_udev, &req, 0); 503 } 504 505 void 506 uplcom_set(void *addr, int portno, int reg, int onoff) 507 { 508 struct uplcom_softc *sc = addr; 509 510 switch (reg) { 511 case UCOM_SET_DTR: 512 uplcom_dtr(sc, onoff); 513 break; 514 case UCOM_SET_RTS: 515 uplcom_rts(sc, onoff); 516 break; 517 case UCOM_SET_BREAK: 518 uplcom_break(sc, onoff); 519 break; 520 default: 521 break; 522 } 523 } 524 525 void 526 uplcom_dtr(struct uplcom_softc *sc, int onoff) 527 { 528 529 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 530 531 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 532 return; 533 534 sc->sc_dtr = !!onoff; 535 536 uplcom_set_line_state(sc); 537 } 538 539 void 540 uplcom_rts(struct uplcom_softc *sc, int onoff) 541 { 542 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 543 544 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 545 return; 546 547 sc->sc_rts = !!onoff; 548 549 uplcom_set_line_state(sc); 550 } 551 552 void 553 uplcom_break(struct uplcom_softc *sc, int onoff) 554 { 555 usb_device_request_t req; 556 557 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 558 559 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 560 req.bRequest = UCDC_SEND_BREAK; 561 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 562 USETW(req.wIndex, sc->sc_iface_number); 563 USETW(req.wLength, 0); 564 565 (void)usbd_do_request(sc->sc_udev, &req, 0); 566 } 567 568 usbd_status 569 uplcom_set_crtscts(struct uplcom_softc *sc) 570 { 571 usb_device_request_t req; 572 usbd_status err; 573 574 DPRINTF(("uplcom_set_crtscts: on\n")); 575 576 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 577 req.bRequest = UPLCOM_SET_REQUEST; 578 USETW(req.wValue, 0); 579 if (sc->sc_type == UPLCOM_TYPE_HX) 580 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 581 else 582 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 583 USETW(req.wLength, 0); 584 585 err = usbd_do_request(sc->sc_udev, &req, 0); 586 if (err) { 587 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 588 usbd_errstr(err))); 589 return (err); 590 } 591 592 return (USBD_NORMAL_COMPLETION); 593 } 594 595 usbd_status 596 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 597 { 598 usb_device_request_t req; 599 usbd_status err; 600 601 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 602 UGETDW(state->dwDTERate), state->bCharFormat, 603 state->bParityType, state->bDataBits)); 604 605 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 606 DPRINTF(("uplcom_set_line_coding: already set\n")); 607 return (USBD_NORMAL_COMPLETION); 608 } 609 610 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 611 req.bRequest = UCDC_SET_LINE_CODING; 612 USETW(req.wValue, 0); 613 USETW(req.wIndex, sc->sc_iface_number); 614 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 615 616 err = usbd_do_request(sc->sc_udev, &req, state); 617 if (err) { 618 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 619 usbd_errstr(err))); 620 return (err); 621 } 622 623 sc->sc_line_state = *state; 624 625 return (USBD_NORMAL_COMPLETION); 626 } 627 628 int 629 uplcom_param(void *addr, int portno, struct termios *t) 630 { 631 struct uplcom_softc *sc = addr; 632 usbd_status err; 633 usb_cdc_line_state_t ls; 634 635 DPRINTF(("uplcom_param: sc=%p\n", sc)); 636 637 USETDW(ls.dwDTERate, t->c_ospeed); 638 if (ISSET(t->c_cflag, CSTOPB)) 639 ls.bCharFormat = UCDC_STOP_BIT_2; 640 else 641 ls.bCharFormat = UCDC_STOP_BIT_1; 642 if (ISSET(t->c_cflag, PARENB)) { 643 if (ISSET(t->c_cflag, PARODD)) 644 ls.bParityType = UCDC_PARITY_ODD; 645 else 646 ls.bParityType = UCDC_PARITY_EVEN; 647 } else 648 ls.bParityType = UCDC_PARITY_NONE; 649 switch (ISSET(t->c_cflag, CSIZE)) { 650 case CS5: 651 ls.bDataBits = 5; 652 break; 653 case CS6: 654 ls.bDataBits = 6; 655 break; 656 case CS7: 657 ls.bDataBits = 7; 658 break; 659 case CS8: 660 ls.bDataBits = 8; 661 break; 662 } 663 664 err = uplcom_set_line_coding(sc, &ls); 665 if (err) { 666 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 667 return (EIO); 668 } 669 670 if (ISSET(t->c_cflag, CRTSCTS)) 671 uplcom_set_crtscts(sc); 672 673 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 674 uplcom_set_line_state(sc); 675 676 if (err) { 677 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 678 return (EIO); 679 } 680 681 return (0); 682 } 683 684 Static usbd_status 685 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 686 { 687 usb_device_request_t req; 688 usbd_status err; 689 690 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 691 req.bRequest = UPLCOM_SET_REQUEST; 692 USETW(req.wValue, value); 693 USETW(req.wIndex, index); 694 USETW(req.wLength, 0); 695 696 err = usbd_do_request(dev, &req, NULL); 697 698 if (err) { 699 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 700 usbd_errstr(err), err)); 701 } 702 703 return err; 704 } 705 706 int 707 uplcom_open(void *addr, int portno) 708 { 709 struct uplcom_softc *sc = addr; 710 usbd_status err; 711 712 if (sc->sc_dying) 713 return (EIO); 714 715 DPRINTF(("uplcom_open: sc=%p\n", sc)); 716 717 /* Some unknown device frobbing. */ 718 if (sc->sc_type == UPLCOM_TYPE_HX) 719 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 720 else 721 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 722 723 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 724 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 725 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 726 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 727 sc->sc_intr_buf, sc->sc_isize, 728 uplcom_intr, USBD_DEFAULT_INTERVAL); 729 if (err) { 730 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 731 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 732 return (EIO); 733 } 734 } 735 736 return (0); 737 } 738 739 void 740 uplcom_close(void *addr, int portno) 741 { 742 struct uplcom_softc *sc = addr; 743 int err; 744 745 if (sc->sc_dying) 746 return; 747 748 DPRINTF(("uplcom_close: close\n")); 749 750 if (sc->sc_intr_pipe != NULL) { 751 err = usbd_abort_pipe(sc->sc_intr_pipe); 752 if (err) 753 printf("%s: abort interrupt pipe failed: %s\n", 754 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 755 err = usbd_close_pipe(sc->sc_intr_pipe); 756 if (err) 757 printf("%s: close interrupt pipe failed: %s\n", 758 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 759 free(sc->sc_intr_buf, M_USBDEV); 760 sc->sc_intr_pipe = NULL; 761 } 762 } 763 764 void 765 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 766 { 767 struct uplcom_softc *sc = priv; 768 u_char *buf = sc->sc_intr_buf; 769 u_char pstatus; 770 771 if (sc->sc_dying) 772 return; 773 774 if (status != USBD_NORMAL_COMPLETION) { 775 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 776 return; 777 778 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 779 usbd_errstr(status))); 780 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 781 return; 782 } 783 784 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 785 786 sc->sc_lsr = sc->sc_msr = 0; 787 pstatus = buf[8]; 788 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 789 sc->sc_msr |= UMSR_DSR; 790 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 791 sc->sc_msr |= UMSR_DCD; 792 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 793 } 794 795 void 796 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 797 { 798 struct uplcom_softc *sc = addr; 799 800 DPRINTF(("uplcom_get_status:\n")); 801 802 if (lsr != NULL) 803 *lsr = sc->sc_lsr; 804 if (msr != NULL) 805 *msr = sc->sc_msr; 806 } 807 808 #if TODO 809 int 810 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 811 usb_proc_ptr p) 812 { 813 struct uplcom_softc *sc = addr; 814 int error = 0; 815 816 if (sc->sc_dying) 817 return (EIO); 818 819 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 820 821 switch (cmd) { 822 case TIOCNOTTY: 823 case TIOCMGET: 824 case TIOCMSET: 825 case USB_GET_CM_OVER_DATA: 826 case USB_SET_CM_OVER_DATA: 827 break; 828 829 default: 830 DPRINTF(("uplcom_ioctl: unknown\n")); 831 error = ENOTTY; 832 break; 833 } 834 835 return (error); 836 } 837 #endif 838
Indexes created Fri Sep 26 20:09:58 GMT 2025