uplcom.c revision 1.44
1 /* $NetBSD: uplcom.c,v 1.44 2005/07/07 09:59:37 pooka 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 1.44 2005/07/07 09:59:37 pooka 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 /* Panasonic 50" Touch Panel */ 180 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 181 /* RATOC REX-USB60 */ 182 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 183 /* TDK USB-PHS Adapter UHA6400 */ 184 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 185 /* TDK USB-PDC Adapter UPA9664 */ 186 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 187 /* Sony Ericsson USB Cable */ 188 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 189 /* SOURCENEXT KeikaiDenwa 8 */ 190 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 191 /* SOURCENEXT KeikaiDenwa 8 with charger */ 192 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 193 /* HAL Corporation Crossam2+USB */ 194 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 195 /* Sitecom USB to serial cable */ 196 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 197 /* Pharos USB GPS - Microsoft version */ 198 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 199 }; 200 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 201 202 203 USB_DECLARE_DRIVER(uplcom); 204 205 USB_MATCH(uplcom) 206 { 207 USB_MATCH_START(uplcom, uaa); 208 209 if (uaa->iface != NULL) 210 return (UMATCH_NONE); 211 212 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 213 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 214 } 215 216 USB_ATTACH(uplcom) 217 { 218 USB_ATTACH_START(uplcom, sc, uaa); 219 usbd_device_handle dev = uaa->device; 220 usb_device_descriptor_t *ddesc; 221 usb_config_descriptor_t *cdesc; 222 usb_interface_descriptor_t *id; 223 usb_endpoint_descriptor_t *ed; 224 char *devinfop; 225 char *devname = USBDEVNAME(sc->sc_dev); 226 usbd_status err; 227 int i; 228 struct ucom_attach_args uca; 229 230 devinfop = usbd_devinfo_alloc(dev, 0); 231 USB_ATTACH_SETUP; 232 printf("%s: %s\n", devname, devinfop); 233 usbd_devinfo_free(devinfop); 234 235 sc->sc_udev = dev; 236 237 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 238 239 /* initialize endpoints */ 240 uca.bulkin = uca.bulkout = -1; 241 sc->sc_intr_number = -1; 242 sc->sc_intr_pipe = NULL; 243 244 /* Move the device into the configured state. */ 245 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 246 if (err) { 247 printf("\n%s: failed to set configuration, err=%s\n", 248 devname, usbd_errstr(err)); 249 sc->sc_dying = 1; 250 USB_ATTACH_ERROR_RETURN; 251 } 252 253 /* get the device descriptor */ 254 ddesc = usbd_get_device_descriptor(sc->sc_udev); 255 if (ddesc == NULL) { 256 printf("%s: failed to get device descriptor\n", 257 USBDEVNAME(sc->sc_dev)); 258 sc->sc_dying = 1; 259 USB_ATTACH_ERROR_RETURN; 260 } 261 262 /* 263 * NOTE: The Linux driver distinguishes between UPLCOM_TYPE_0 264 * and UPLCOM_TYPE_1 type chips by testing other fields in the 265 * device descriptor. As far as the uplcom driver is 266 * concerned, both types are identical. 267 * The bcdDevice field should also distinguish these versions, 268 * but who knows. 269 */ 270 if (UGETW(ddesc->bcdDevice) == 0x0300) 271 sc->sc_type = UPLCOM_TYPE_HX; 272 else 273 sc->sc_type = UPLCOM_TYPE_0; 274 275 /* get the config descriptor */ 276 cdesc = usbd_get_config_descriptor(sc->sc_udev); 277 278 if (cdesc == NULL) { 279 printf("%s: failed to get configuration descriptor\n", 280 USBDEVNAME(sc->sc_dev)); 281 sc->sc_dying = 1; 282 USB_ATTACH_ERROR_RETURN; 283 } 284 285 /* get the (first/common) interface */ 286 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 287 &sc->sc_iface); 288 if (err) { 289 printf("\n%s: failed to get interface, err=%s\n", 290 devname, usbd_errstr(err)); 291 sc->sc_dying = 1; 292 USB_ATTACH_ERROR_RETURN; 293 } 294 295 /* Find the interrupt endpoints */ 296 297 id = usbd_get_interface_descriptor(sc->sc_iface); 298 sc->sc_iface_number = id->bInterfaceNumber; 299 300 for (i = 0; i < id->bNumEndpoints; i++) { 301 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 302 if (ed == NULL) { 303 printf("%s: no endpoint descriptor for %d\n", 304 USBDEVNAME(sc->sc_dev), i); 305 sc->sc_dying = 1; 306 USB_ATTACH_ERROR_RETURN; 307 } 308 309 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 310 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 311 sc->sc_intr_number = ed->bEndpointAddress; 312 sc->sc_isize = UGETW(ed->wMaxPacketSize); 313 } 314 } 315 316 if (sc->sc_intr_number== -1) { 317 printf("%s: Could not find interrupt in\n", 318 USBDEVNAME(sc->sc_dev)); 319 sc->sc_dying = 1; 320 USB_ATTACH_ERROR_RETURN; 321 } 322 323 /* keep interface for interrupt */ 324 sc->sc_intr_iface = sc->sc_iface; 325 326 /* 327 * USB-RSAQ1 has two interface 328 * 329 * USB-RSAQ1 | USB-RSAQ2 330 * -----------------+----------------- 331 * Interface 0 |Interface 0 332 * Interrupt(0x81) | Interrupt(0x81) 333 * -----------------+ BulkIN(0x02) 334 * Interface 1 | BulkOUT(0x83) 335 * BulkIN(0x02) | 336 * BulkOUT(0x83) | 337 */ 338 if (cdesc->bNumInterface == 2) { 339 err = usbd_device2interface_handle(dev, 340 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 341 if (err) { 342 printf("\n%s: failed to get second interface, err=%s\n", 343 devname, usbd_errstr(err)); 344 sc->sc_dying = 1; 345 USB_ATTACH_ERROR_RETURN; 346 } 347 } 348 349 /* Find the bulk{in,out} endpoints */ 350 351 id = usbd_get_interface_descriptor(sc->sc_iface); 352 sc->sc_iface_number = id->bInterfaceNumber; 353 354 for (i = 0; i < id->bNumEndpoints; i++) { 355 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 356 if (ed == NULL) { 357 printf("%s: no endpoint descriptor for %d\n", 358 USBDEVNAME(sc->sc_dev), i); 359 sc->sc_dying = 1; 360 USB_ATTACH_ERROR_RETURN; 361 } 362 363 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 364 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 365 uca.bulkin = ed->bEndpointAddress; 366 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 367 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 368 uca.bulkout = ed->bEndpointAddress; 369 } 370 } 371 372 if (uca.bulkin == -1) { 373 printf("%s: Could not find data bulk in\n", 374 USBDEVNAME(sc->sc_dev)); 375 sc->sc_dying = 1; 376 USB_ATTACH_ERROR_RETURN; 377 } 378 379 if (uca.bulkout == -1) { 380 printf("%s: Could not find data bulk out\n", 381 USBDEVNAME(sc->sc_dev)); 382 sc->sc_dying = 1; 383 USB_ATTACH_ERROR_RETURN; 384 } 385 386 sc->sc_dtr = sc->sc_rts = -1; 387 uca.portno = UCOM_UNK_PORTNO; 388 /* bulkin, bulkout set above */ 389 uca.ibufsize = UPLCOMIBUFSIZE; 390 uca.obufsize = UPLCOMOBUFSIZE; 391 uca.ibufsizepad = UPLCOMIBUFSIZE; 392 uca.opkthdrlen = 0; 393 uca.device = dev; 394 uca.iface = sc->sc_iface; 395 uca.methods = &uplcom_methods; 396 uca.arg = sc; 397 uca.info = NULL; 398 399 err = uplcom_reset(sc); 400 401 if (err) { 402 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 403 usbd_errstr(err)); 404 sc->sc_dying = 1; 405 USB_ATTACH_ERROR_RETURN; 406 } 407 408 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 409 USBDEV(sc->sc_dev)); 410 411 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 412 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 413 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 414 ucomprint, ucomsubmatch); 415 416 USB_ATTACH_SUCCESS_RETURN; 417 } 418 419 USB_DETACH(uplcom) 420 { 421 USB_DETACH_START(uplcom, sc); 422 int rv = 0; 423 424 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 425 426 if (sc->sc_intr_pipe != NULL) { 427 usbd_abort_pipe(sc->sc_intr_pipe); 428 usbd_close_pipe(sc->sc_intr_pipe); 429 free(sc->sc_intr_buf, M_USBDEV); 430 sc->sc_intr_pipe = NULL; 431 } 432 433 sc->sc_dying = 1; 434 if (sc->sc_subdev != NULL) { 435 rv = config_detach(sc->sc_subdev, flags); 436 sc->sc_subdev = NULL; 437 } 438 439 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 440 USBDEV(sc->sc_dev)); 441 442 return (rv); 443 } 444 445 int 446 uplcom_activate(device_ptr_t self, enum devact act) 447 { 448 struct uplcom_softc *sc = (struct uplcom_softc *)self; 449 int rv = 0; 450 451 switch (act) { 452 case DVACT_ACTIVATE: 453 return (EOPNOTSUPP); 454 455 case DVACT_DEACTIVATE: 456 if (sc->sc_subdev != NULL) 457 rv = config_deactivate(sc->sc_subdev); 458 sc->sc_dying = 1; 459 break; 460 } 461 return (rv); 462 } 463 464 usbd_status 465 uplcom_reset(struct uplcom_softc *sc) 466 { 467 usb_device_request_t req; 468 usbd_status err; 469 470 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 471 req.bRequest = UPLCOM_SET_REQUEST; 472 USETW(req.wValue, 0); 473 USETW(req.wIndex, sc->sc_iface_number); 474 USETW(req.wLength, 0); 475 476 err = usbd_do_request(sc->sc_udev, &req, 0); 477 if (err) 478 return (EIO); 479 480 return (0); 481 } 482 483 void 484 uplcom_set_line_state(struct uplcom_softc *sc) 485 { 486 usb_device_request_t req; 487 int ls; 488 489 /* make sure we have initialized state for sc_dtr and sc_rts */ 490 if (sc->sc_dtr == -1) 491 sc->sc_dtr = 0; 492 if (sc->sc_rts == -1) 493 sc->sc_rts = 0; 494 495 ls = (sc->sc_dtr ? UPLCOM_FLOW_OUT_DSR : 0) | 496 (sc->sc_rts ? UPLCOM_FLOW_OUT_CTS : 0); 497 498 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 499 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 500 USETW(req.wValue, ls); 501 USETW(req.wIndex, sc->sc_iface_number); 502 USETW(req.wLength, 0); 503 504 (void)usbd_do_request(sc->sc_udev, &req, 0); 505 } 506 507 void 508 uplcom_set(void *addr, int portno, int reg, int onoff) 509 { 510 struct uplcom_softc *sc = addr; 511 512 switch (reg) { 513 case UCOM_SET_DTR: 514 uplcom_dtr(sc, onoff); 515 break; 516 case UCOM_SET_RTS: 517 uplcom_rts(sc, onoff); 518 break; 519 case UCOM_SET_BREAK: 520 uplcom_break(sc, onoff); 521 break; 522 default: 523 break; 524 } 525 } 526 527 void 528 uplcom_dtr(struct uplcom_softc *sc, int onoff) 529 { 530 531 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 532 533 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 534 return; 535 536 sc->sc_dtr = !!onoff; 537 538 uplcom_set_line_state(sc); 539 } 540 541 void 542 uplcom_rts(struct uplcom_softc *sc, int onoff) 543 { 544 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 545 546 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 547 return; 548 549 sc->sc_rts = !!onoff; 550 551 uplcom_set_line_state(sc); 552 } 553 554 void 555 uplcom_break(struct uplcom_softc *sc, int onoff) 556 { 557 usb_device_request_t req; 558 559 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 560 561 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 562 req.bRequest = UCDC_SEND_BREAK; 563 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 564 USETW(req.wIndex, sc->sc_iface_number); 565 USETW(req.wLength, 0); 566 567 (void)usbd_do_request(sc->sc_udev, &req, 0); 568 } 569 570 usbd_status 571 uplcom_set_crtscts(struct uplcom_softc *sc) 572 { 573 usb_device_request_t req; 574 usbd_status err; 575 576 DPRINTF(("uplcom_set_crtscts: on\n")); 577 578 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 579 req.bRequest = UPLCOM_SET_REQUEST; 580 USETW(req.wValue, 0); 581 if (sc->sc_type == UPLCOM_TYPE_HX) 582 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 583 else 584 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 585 USETW(req.wLength, 0); 586 587 err = usbd_do_request(sc->sc_udev, &req, 0); 588 if (err) { 589 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 590 usbd_errstr(err))); 591 return (err); 592 } 593 594 return (USBD_NORMAL_COMPLETION); 595 } 596 597 usbd_status 598 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 599 { 600 usb_device_request_t req; 601 usbd_status err; 602 603 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 604 UGETDW(state->dwDTERate), state->bCharFormat, 605 state->bParityType, state->bDataBits)); 606 607 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 608 DPRINTF(("uplcom_set_line_coding: already set\n")); 609 return (USBD_NORMAL_COMPLETION); 610 } 611 612 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 613 req.bRequest = UCDC_SET_LINE_CODING; 614 USETW(req.wValue, 0); 615 USETW(req.wIndex, sc->sc_iface_number); 616 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 617 618 err = usbd_do_request(sc->sc_udev, &req, state); 619 if (err) { 620 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 621 usbd_errstr(err))); 622 return (err); 623 } 624 625 sc->sc_line_state = *state; 626 627 return (USBD_NORMAL_COMPLETION); 628 } 629 630 int 631 uplcom_param(void *addr, int portno, struct termios *t) 632 { 633 struct uplcom_softc *sc = addr; 634 usbd_status err; 635 usb_cdc_line_state_t ls; 636 637 DPRINTF(("uplcom_param: sc=%p\n", sc)); 638 639 USETDW(ls.dwDTERate, t->c_ospeed); 640 if (ISSET(t->c_cflag, CSTOPB)) 641 ls.bCharFormat = UCDC_STOP_BIT_2; 642 else 643 ls.bCharFormat = UCDC_STOP_BIT_1; 644 if (ISSET(t->c_cflag, PARENB)) { 645 if (ISSET(t->c_cflag, PARODD)) 646 ls.bParityType = UCDC_PARITY_ODD; 647 else 648 ls.bParityType = UCDC_PARITY_EVEN; 649 } else 650 ls.bParityType = UCDC_PARITY_NONE; 651 switch (ISSET(t->c_cflag, CSIZE)) { 652 case CS5: 653 ls.bDataBits = 5; 654 break; 655 case CS6: 656 ls.bDataBits = 6; 657 break; 658 case CS7: 659 ls.bDataBits = 7; 660 break; 661 case CS8: 662 ls.bDataBits = 8; 663 break; 664 } 665 666 err = uplcom_set_line_coding(sc, &ls); 667 if (err) { 668 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 669 return (EIO); 670 } 671 672 if (ISSET(t->c_cflag, CRTSCTS)) 673 uplcom_set_crtscts(sc); 674 675 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 676 uplcom_set_line_state(sc); 677 678 if (err) { 679 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 680 return (EIO); 681 } 682 683 return (0); 684 } 685 686 Static usbd_status 687 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 688 { 689 usb_device_request_t req; 690 usbd_status err; 691 692 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 693 req.bRequest = UPLCOM_SET_REQUEST; 694 USETW(req.wValue, value); 695 USETW(req.wIndex, index); 696 USETW(req.wLength, 0); 697 698 err = usbd_do_request(dev, &req, NULL); 699 700 if (err) { 701 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 702 usbd_errstr(err), err)); 703 } 704 705 return err; 706 } 707 708 int 709 uplcom_open(void *addr, int portno) 710 { 711 struct uplcom_softc *sc = addr; 712 usbd_status err; 713 714 if (sc->sc_dying) 715 return (EIO); 716 717 DPRINTF(("uplcom_open: sc=%p\n", sc)); 718 719 /* Some unknown device frobbing. */ 720 if (sc->sc_type == UPLCOM_TYPE_HX) 721 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 722 else 723 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 724 725 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 726 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 727 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 728 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 729 sc->sc_intr_buf, sc->sc_isize, 730 uplcom_intr, USBD_DEFAULT_INTERVAL); 731 if (err) { 732 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 733 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 734 return (EIO); 735 } 736 } 737 738 return (0); 739 } 740 741 void 742 uplcom_close(void *addr, int portno) 743 { 744 struct uplcom_softc *sc = addr; 745 int err; 746 747 if (sc->sc_dying) 748 return; 749 750 DPRINTF(("uplcom_close: close\n")); 751 752 if (sc->sc_intr_pipe != NULL) { 753 err = usbd_abort_pipe(sc->sc_intr_pipe); 754 if (err) 755 printf("%s: abort interrupt pipe failed: %s\n", 756 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 757 err = usbd_close_pipe(sc->sc_intr_pipe); 758 if (err) 759 printf("%s: close interrupt pipe failed: %s\n", 760 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 761 free(sc->sc_intr_buf, M_USBDEV); 762 sc->sc_intr_pipe = NULL; 763 } 764 } 765 766 void 767 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 768 { 769 struct uplcom_softc *sc = priv; 770 u_char *buf = sc->sc_intr_buf; 771 u_char pstatus; 772 773 if (sc->sc_dying) 774 return; 775 776 if (status != USBD_NORMAL_COMPLETION) { 777 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 778 return; 779 780 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 781 usbd_errstr(status))); 782 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 783 return; 784 } 785 786 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 787 788 sc->sc_lsr = sc->sc_msr = 0; 789 pstatus = buf[8]; 790 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 791 sc->sc_msr |= UMSR_DSR; 792 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 793 sc->sc_msr |= UMSR_DCD; 794 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 795 } 796 797 void 798 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 799 { 800 struct uplcom_softc *sc = addr; 801 802 DPRINTF(("uplcom_get_status:\n")); 803 804 if (lsr != NULL) 805 *lsr = sc->sc_lsr; 806 if (msr != NULL) 807 *msr = sc->sc_msr; 808 } 809 810 #if TODO 811 int 812 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 813 usb_proc_ptr p) 814 { 815 struct uplcom_softc *sc = addr; 816 int error = 0; 817 818 if (sc->sc_dying) 819 return (EIO); 820 821 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 822 823 switch (cmd) { 824 case TIOCNOTTY: 825 case TIOCMGET: 826 case TIOCMSET: 827 case USB_GET_CM_OVER_DATA: 828 case USB_SET_CM_OVER_DATA: 829 break; 830 831 default: 832 DPRINTF(("uplcom_ioctl: unknown\n")); 833 error = ENOTTY; 834 break; 835 } 836 837 return (error); 838 } 839 #endif 840
Indexes created Fri Sep 26 20:09:58 GMT 2025