uplcom.c revision 1.55
1 /* $NetBSD: uplcom.c,v 1.55 2007/06/13 00:31:21 uebayasi 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 1.55 2007/06/13 00:31:21 uebayasi 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/ucomvar.h> 68 69 #ifdef UPLCOM_DEBUG 70 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 71 int uplcomdebug = 0; 72 #else 73 #define DPRINTFN(n, x) 74 #endif 75 #define DPRINTF(x) DPRINTFN(0, x) 76 77 #define UPLCOM_CONFIG_INDEX 0 78 #define UPLCOM_IFACE_INDEX 0 79 #define UPLCOM_SECOND_IFACE_INDEX 1 80 81 #define UPLCOM_SET_REQUEST 0x01 82 #define UPLCOM_SET_CRTSCTS_0 0x41 83 #define UPLCOM_SET_CRTSCTS_HX 0x61 84 #define RSAQ_STATUS_DSR 0x02 85 #define RSAQ_STATUS_DCD 0x01 86 87 enum pl2303_type { 88 UPLCOM_TYPE_0, 89 UPLCOM_TYPE_HX, 90 }; 91 92 struct uplcom_softc { 93 USBBASEDEVICE sc_dev; /* base device */ 94 usbd_device_handle sc_udev; /* USB device */ 95 usbd_interface_handle sc_iface; /* interface */ 96 int sc_iface_number; /* interface number */ 97 98 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 99 int sc_intr_number; /* interrupt number */ 100 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 101 u_char *sc_intr_buf; /* interrupt buffer */ 102 int sc_isize; 103 104 usb_cdc_line_state_t sc_line_state; /* current line state */ 105 int sc_dtr; /* current DTR state */ 106 int sc_rts; /* current RTS state */ 107 108 device_ptr_t sc_subdev; /* ucom device */ 109 110 u_char sc_dying; /* disconnecting */ 111 112 u_char sc_lsr; /* Local status register */ 113 u_char sc_msr; /* uplcom status register */ 114 115 enum pl2303_type sc_type; /* PL2303 chip type */ 116 }; 117 118 /* 119 * These are the maximum number of bytes transferred per frame. 120 * The output buffer size cannot be increased due to the size encoding. 121 */ 122 #define UPLCOMIBUFSIZE 256 123 #define UPLCOMOBUFSIZE 256 124 125 Static usbd_status uplcom_reset(struct uplcom_softc *); 126 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 127 usb_cdc_line_state_t *state); 128 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 129 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 130 131 Static void uplcom_set(void *, int, int, int); 132 Static void uplcom_dtr(struct uplcom_softc *, int); 133 Static void uplcom_rts(struct uplcom_softc *, int); 134 Static void uplcom_break(struct uplcom_softc *, int); 135 Static void uplcom_set_line_state(struct uplcom_softc *); 136 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 137 #if TODO 138 Static int uplcom_ioctl(void *, int, u_long, void *, int, usb_proc_ptr ); 139 #endif 140 Static int uplcom_param(void *, int, struct termios *); 141 Static int uplcom_open(void *, int); 142 Static void uplcom_close(void *, int); 143 Static usbd_status uplcom_vendor_control_write(usbd_device_handle, u_int16_t, u_int16_t); 144 145 struct ucom_methods uplcom_methods = { 146 uplcom_get_status, 147 uplcom_set, 148 uplcom_param, 149 NULL, /* uplcom_ioctl, TODO */ 150 uplcom_open, 151 uplcom_close, 152 NULL, 153 NULL, 154 }; 155 156 static const struct usb_devno uplcom_devs[] = { 157 /* I/O DATA USB-RSAQ2 */ 158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 159 /* I/O DATA USB-RSAQ3 */ 160 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 }, 161 /* I/O DATA USB-RSAQ */ 162 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 163 /* I/O DATA USB-RSAQ5 */ 164 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 165 /* PLANEX USB-RS232 URS-03 */ 166 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 167 /* IOGEAR/ATEN UC-232A */ 168 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 169 /* IOGEAR/ATENTRIPPLITE */ 170 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 171 /* ELECOM UC-SGT */ 172 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 173 /* ELECOM UC-SGT0 */ 174 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 175 /* Panasonic 50" Touch Panel */ 176 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 177 /* RATOC REX-USB60 */ 178 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 179 /* TDK USB-PHS Adapter UHA6400 */ 180 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 181 /* TDK USB-PDC Adapter UPA9664 */ 182 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 183 /* Sony Ericsson USB Cable */ 184 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 185 /* SOURCENEXT KeikaiDenwa 8 */ 186 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 187 /* SOURCENEXT KeikaiDenwa 8 with charger */ 188 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 189 /* HAL Corporation Crossam2+USB */ 190 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 191 /* Sitecom USB to serial cable */ 192 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 193 /* Pharos USB GPS - Microsoft version */ 194 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 195 /* Willcom WS002IN (DD) */ 196 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303X }, 197 }; 198 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 199 200 static const struct { 201 uint16_t vendor; 202 uint16_t product; 203 enum pl2303_type chiptype; 204 } uplcom_devs_ext[] = { 205 /* I/O DATA USB-RSAQ3 */ 206 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3, UPLCOM_TYPE_HX }, 207 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303X, UPLCOM_TYPE_HX }, 208 {0, 0, 0} 209 }; 210 211 212 USB_DECLARE_DRIVER(uplcom); 213 214 USB_MATCH(uplcom) 215 { 216 USB_MATCH_START(uplcom, uaa); 217 218 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 219 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 220 } 221 222 USB_ATTACH(uplcom) 223 { 224 USB_ATTACH_START(uplcom, sc, uaa); 225 usbd_device_handle dev = uaa->device; 226 usb_config_descriptor_t *cdesc; 227 usb_interface_descriptor_t *id; 228 usb_endpoint_descriptor_t *ed; 229 char *devinfop; 230 char *devname = USBDEVNAME(sc->sc_dev); 231 usbd_status err; 232 int i; 233 struct ucom_attach_args uca; 234 235 devinfop = usbd_devinfo_alloc(dev, 0); 236 USB_ATTACH_SETUP; 237 printf("%s: %s\n", devname, devinfop); 238 usbd_devinfo_free(devinfop); 239 240 sc->sc_udev = dev; 241 242 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 243 244 /* initialize endpoints */ 245 uca.bulkin = uca.bulkout = -1; 246 sc->sc_intr_number = -1; 247 sc->sc_intr_pipe = NULL; 248 249 /* Move the device into the configured state. */ 250 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 251 if (err) { 252 printf("\n%s: failed to set configuration, err=%s\n", 253 devname, usbd_errstr(err)); 254 sc->sc_dying = 1; 255 USB_ATTACH_ERROR_RETURN; 256 } 257 258 /* determine chip type */ 259 for (i = 0; uplcom_devs_ext[i].vendor != 0; i++) { 260 if (uplcom_devs_ext[i].vendor == uaa->vendor && 261 uplcom_devs_ext[i].product == uaa->product) { 262 sc->sc_type = uplcom_devs_ext[i].chiptype; 263 goto chiptype_determined; 264 } 265 } 266 /* 267 * NOTE: The Linux driver distinguishes between UPLCOM_TYPE_0 268 * and UPLCOM_TYPE_1 type chips by testing other fields in the 269 * device descriptor. As far as the uplcom driver is 270 * concerned, both types are identical. 271 * The bcdDevice field should also distinguish these versions, 272 * but who knows. 273 */ 274 if (uaa->release == 0x0300) 275 sc->sc_type = UPLCOM_TYPE_HX; 276 else 277 sc->sc_type = UPLCOM_TYPE_0; 278 chiptype_determined: 279 280 /* get the config descriptor */ 281 cdesc = usbd_get_config_descriptor(sc->sc_udev); 282 283 if (cdesc == NULL) { 284 printf("%s: failed to get configuration descriptor\n", 285 USBDEVNAME(sc->sc_dev)); 286 sc->sc_dying = 1; 287 USB_ATTACH_ERROR_RETURN; 288 } 289 290 /* get the (first/common) interface */ 291 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 292 &sc->sc_iface); 293 if (err) { 294 printf("\n%s: failed to get interface, err=%s\n", 295 devname, usbd_errstr(err)); 296 sc->sc_dying = 1; 297 USB_ATTACH_ERROR_RETURN; 298 } 299 300 /* Find the interrupt endpoints */ 301 302 id = usbd_get_interface_descriptor(sc->sc_iface); 303 sc->sc_iface_number = id->bInterfaceNumber; 304 305 for (i = 0; i < id->bNumEndpoints; i++) { 306 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 307 if (ed == NULL) { 308 printf("%s: no endpoint descriptor for %d\n", 309 USBDEVNAME(sc->sc_dev), i); 310 sc->sc_dying = 1; 311 USB_ATTACH_ERROR_RETURN; 312 } 313 314 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 315 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 316 sc->sc_intr_number = ed->bEndpointAddress; 317 sc->sc_isize = UGETW(ed->wMaxPacketSize); 318 } 319 } 320 321 if (sc->sc_intr_number== -1) { 322 printf("%s: Could not find interrupt in\n", 323 USBDEVNAME(sc->sc_dev)); 324 sc->sc_dying = 1; 325 USB_ATTACH_ERROR_RETURN; 326 } 327 328 /* keep interface for interrupt */ 329 sc->sc_intr_iface = sc->sc_iface; 330 331 /* 332 * USB-RSAQ1 has two interface 333 * 334 * USB-RSAQ1 | USB-RSAQ2 335 * -----------------+----------------- 336 * Interface 0 |Interface 0 337 * Interrupt(0x81) | Interrupt(0x81) 338 * -----------------+ BulkIN(0x02) 339 * Interface 1 | BulkOUT(0x83) 340 * BulkIN(0x02) | 341 * BulkOUT(0x83) | 342 */ 343 if (cdesc->bNumInterface == 2) { 344 err = usbd_device2interface_handle(dev, 345 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 346 if (err) { 347 printf("\n%s: failed to get second interface, err=%s\n", 348 devname, usbd_errstr(err)); 349 sc->sc_dying = 1; 350 USB_ATTACH_ERROR_RETURN; 351 } 352 } 353 354 /* Find the bulk{in,out} endpoints */ 355 356 id = usbd_get_interface_descriptor(sc->sc_iface); 357 sc->sc_iface_number = id->bInterfaceNumber; 358 359 for (i = 0; i < id->bNumEndpoints; i++) { 360 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 361 if (ed == NULL) { 362 printf("%s: no endpoint descriptor for %d\n", 363 USBDEVNAME(sc->sc_dev), i); 364 sc->sc_dying = 1; 365 USB_ATTACH_ERROR_RETURN; 366 } 367 368 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 369 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 370 uca.bulkin = ed->bEndpointAddress; 371 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 372 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 373 uca.bulkout = ed->bEndpointAddress; 374 } 375 } 376 377 if (uca.bulkin == -1) { 378 printf("%s: Could not find data bulk in\n", 379 USBDEVNAME(sc->sc_dev)); 380 sc->sc_dying = 1; 381 USB_ATTACH_ERROR_RETURN; 382 } 383 384 if (uca.bulkout == -1) { 385 printf("%s: Could not find data bulk out\n", 386 USBDEVNAME(sc->sc_dev)); 387 sc->sc_dying = 1; 388 USB_ATTACH_ERROR_RETURN; 389 } 390 391 sc->sc_dtr = sc->sc_rts = -1; 392 uca.portno = UCOM_UNK_PORTNO; 393 /* bulkin, bulkout set above */ 394 uca.ibufsize = UPLCOMIBUFSIZE; 395 uca.obufsize = UPLCOMOBUFSIZE; 396 uca.ibufsizepad = UPLCOMIBUFSIZE; 397 uca.opkthdrlen = 0; 398 uca.device = dev; 399 uca.iface = sc->sc_iface; 400 uca.methods = &uplcom_methods; 401 uca.arg = sc; 402 uca.info = NULL; 403 404 err = uplcom_reset(sc); 405 406 if (err) { 407 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev), 408 usbd_errstr(err)); 409 sc->sc_dying = 1; 410 USB_ATTACH_ERROR_RETURN; 411 } 412 413 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 414 USBDEV(sc->sc_dev)); 415 416 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 417 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 418 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 419 ucomprint, ucomsubmatch); 420 421 USB_ATTACH_SUCCESS_RETURN; 422 } 423 424 USB_DETACH(uplcom) 425 { 426 USB_DETACH_START(uplcom, sc); 427 int rv = 0; 428 429 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 430 431 if (sc->sc_intr_pipe != NULL) { 432 usbd_abort_pipe(sc->sc_intr_pipe); 433 usbd_close_pipe(sc->sc_intr_pipe); 434 free(sc->sc_intr_buf, M_USBDEV); 435 sc->sc_intr_pipe = NULL; 436 } 437 438 sc->sc_dying = 1; 439 if (sc->sc_subdev != NULL) { 440 rv = config_detach(sc->sc_subdev, flags); 441 sc->sc_subdev = NULL; 442 } 443 444 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 445 USBDEV(sc->sc_dev)); 446 447 return (rv); 448 } 449 450 int 451 uplcom_activate(device_ptr_t self, enum devact act) 452 { 453 struct uplcom_softc *sc = (struct uplcom_softc *)self; 454 int rv = 0; 455 456 switch (act) { 457 case DVACT_ACTIVATE: 458 return (EOPNOTSUPP); 459 460 case DVACT_DEACTIVATE: 461 if (sc->sc_subdev != NULL) 462 rv = config_deactivate(sc->sc_subdev); 463 sc->sc_dying = 1; 464 break; 465 } 466 return (rv); 467 } 468 469 usbd_status 470 uplcom_reset(struct uplcom_softc *sc) 471 { 472 usb_device_request_t req; 473 usbd_status err; 474 475 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 476 req.bRequest = UPLCOM_SET_REQUEST; 477 USETW(req.wValue, 0); 478 USETW(req.wIndex, sc->sc_iface_number); 479 USETW(req.wLength, 0); 480 481 err = usbd_do_request(sc->sc_udev, &req, 0); 482 if (err) 483 return (EIO); 484 485 return (0); 486 } 487 488 void 489 uplcom_set_line_state(struct uplcom_softc *sc) 490 { 491 usb_device_request_t req; 492 int ls; 493 494 /* make sure we have initialized state for sc_dtr and sc_rts */ 495 if (sc->sc_dtr == -1) 496 sc->sc_dtr = 0; 497 if (sc->sc_rts == -1) 498 sc->sc_rts = 0; 499 500 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 501 (sc->sc_rts ? UCDC_LINE_RTS : 0); 502 503 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 504 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 505 USETW(req.wValue, ls); 506 USETW(req.wIndex, sc->sc_iface_number); 507 USETW(req.wLength, 0); 508 509 (void)usbd_do_request(sc->sc_udev, &req, 0); 510 } 511 512 void 513 uplcom_set(void *addr, int portno, int reg, int onoff) 514 { 515 struct uplcom_softc *sc = addr; 516 517 switch (reg) { 518 case UCOM_SET_DTR: 519 uplcom_dtr(sc, onoff); 520 break; 521 case UCOM_SET_RTS: 522 uplcom_rts(sc, onoff); 523 break; 524 case UCOM_SET_BREAK: 525 uplcom_break(sc, onoff); 526 break; 527 default: 528 break; 529 } 530 } 531 532 void 533 uplcom_dtr(struct uplcom_softc *sc, int onoff) 534 { 535 536 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 537 538 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 539 return; 540 541 sc->sc_dtr = !!onoff; 542 543 uplcom_set_line_state(sc); 544 } 545 546 void 547 uplcom_rts(struct uplcom_softc *sc, int onoff) 548 { 549 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 550 551 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 552 return; 553 554 sc->sc_rts = !!onoff; 555 556 uplcom_set_line_state(sc); 557 } 558 559 void 560 uplcom_break(struct uplcom_softc *sc, int onoff) 561 { 562 usb_device_request_t req; 563 564 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 565 566 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 567 req.bRequest = UCDC_SEND_BREAK; 568 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 569 USETW(req.wIndex, sc->sc_iface_number); 570 USETW(req.wLength, 0); 571 572 (void)usbd_do_request(sc->sc_udev, &req, 0); 573 } 574 575 usbd_status 576 uplcom_set_crtscts(struct uplcom_softc *sc) 577 { 578 usb_device_request_t req; 579 usbd_status err; 580 581 DPRINTF(("uplcom_set_crtscts: on\n")); 582 583 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 584 req.bRequest = UPLCOM_SET_REQUEST; 585 USETW(req.wValue, 0); 586 if (sc->sc_type == UPLCOM_TYPE_HX) 587 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 588 else 589 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 590 USETW(req.wLength, 0); 591 592 err = usbd_do_request(sc->sc_udev, &req, 0); 593 if (err) { 594 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 595 usbd_errstr(err))); 596 return (err); 597 } 598 599 return (USBD_NORMAL_COMPLETION); 600 } 601 602 usbd_status 603 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 604 { 605 usb_device_request_t req; 606 usbd_status err; 607 608 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 609 UGETDW(state->dwDTERate), state->bCharFormat, 610 state->bParityType, state->bDataBits)); 611 612 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 613 DPRINTF(("uplcom_set_line_coding: already set\n")); 614 return (USBD_NORMAL_COMPLETION); 615 } 616 617 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 618 req.bRequest = UCDC_SET_LINE_CODING; 619 USETW(req.wValue, 0); 620 USETW(req.wIndex, sc->sc_iface_number); 621 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 622 623 err = usbd_do_request(sc->sc_udev, &req, state); 624 if (err) { 625 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 626 usbd_errstr(err))); 627 return (err); 628 } 629 630 sc->sc_line_state = *state; 631 632 return (USBD_NORMAL_COMPLETION); 633 } 634 635 int 636 uplcom_param(void *addr, int portno, struct termios *t) 637 { 638 struct uplcom_softc *sc = addr; 639 usbd_status err; 640 usb_cdc_line_state_t ls; 641 642 DPRINTF(("uplcom_param: sc=%p\n", sc)); 643 644 USETDW(ls.dwDTERate, t->c_ospeed); 645 if (ISSET(t->c_cflag, CSTOPB)) 646 ls.bCharFormat = UCDC_STOP_BIT_2; 647 else 648 ls.bCharFormat = UCDC_STOP_BIT_1; 649 if (ISSET(t->c_cflag, PARENB)) { 650 if (ISSET(t->c_cflag, PARODD)) 651 ls.bParityType = UCDC_PARITY_ODD; 652 else 653 ls.bParityType = UCDC_PARITY_EVEN; 654 } else 655 ls.bParityType = UCDC_PARITY_NONE; 656 switch (ISSET(t->c_cflag, CSIZE)) { 657 case CS5: 658 ls.bDataBits = 5; 659 break; 660 case CS6: 661 ls.bDataBits = 6; 662 break; 663 case CS7: 664 ls.bDataBits = 7; 665 break; 666 case CS8: 667 ls.bDataBits = 8; 668 break; 669 } 670 671 err = uplcom_set_line_coding(sc, &ls); 672 if (err) { 673 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 674 return (EIO); 675 } 676 677 if (ISSET(t->c_cflag, CRTSCTS)) 678 uplcom_set_crtscts(sc); 679 680 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 681 uplcom_set_line_state(sc); 682 683 if (err) { 684 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 685 return (EIO); 686 } 687 688 return (0); 689 } 690 691 Static usbd_status 692 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 693 { 694 usb_device_request_t req; 695 usbd_status err; 696 697 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 698 req.bRequest = UPLCOM_SET_REQUEST; 699 USETW(req.wValue, value); 700 USETW(req.wIndex, index); 701 USETW(req.wLength, 0); 702 703 err = usbd_do_request(dev, &req, NULL); 704 705 if (err) { 706 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 707 usbd_errstr(err), err)); 708 } 709 710 return err; 711 } 712 713 int 714 uplcom_open(void *addr, int portno) 715 { 716 struct uplcom_softc *sc = addr; 717 usbd_status err; 718 719 if (sc->sc_dying) 720 return (EIO); 721 722 DPRINTF(("uplcom_open: sc=%p\n", sc)); 723 724 /* Some unknown device frobbing. */ 725 if (sc->sc_type == UPLCOM_TYPE_HX) 726 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 727 else 728 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 729 730 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 731 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 732 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 733 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 734 sc->sc_intr_buf, sc->sc_isize, 735 uplcom_intr, USBD_DEFAULT_INTERVAL); 736 if (err) { 737 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 738 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 739 return (EIO); 740 } 741 } 742 743 return (0); 744 } 745 746 void 747 uplcom_close(void *addr, int portno) 748 { 749 struct uplcom_softc *sc = addr; 750 int err; 751 752 if (sc->sc_dying) 753 return; 754 755 DPRINTF(("uplcom_close: close\n")); 756 757 if (sc->sc_intr_pipe != NULL) { 758 err = usbd_abort_pipe(sc->sc_intr_pipe); 759 if (err) 760 printf("%s: abort interrupt pipe failed: %s\n", 761 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 762 err = usbd_close_pipe(sc->sc_intr_pipe); 763 if (err) 764 printf("%s: close interrupt pipe failed: %s\n", 765 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 766 free(sc->sc_intr_buf, M_USBDEV); 767 sc->sc_intr_pipe = NULL; 768 } 769 } 770 771 void 772 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 773 usbd_status status) 774 { 775 struct uplcom_softc *sc = priv; 776 u_char *buf = sc->sc_intr_buf; 777 u_char pstatus; 778 779 if (sc->sc_dying) 780 return; 781 782 if (status != USBD_NORMAL_COMPLETION) { 783 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 784 return; 785 786 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 787 usbd_errstr(status))); 788 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 789 return; 790 } 791 792 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 793 794 sc->sc_lsr = sc->sc_msr = 0; 795 pstatus = buf[8]; 796 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 797 sc->sc_msr |= UMSR_DSR; 798 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 799 sc->sc_msr |= UMSR_DCD; 800 ucom_status_change((struct ucom_softc *) sc->sc_subdev); 801 } 802 803 void 804 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 805 { 806 struct uplcom_softc *sc = addr; 807 808 DPRINTF(("uplcom_get_status:\n")); 809 810 if (lsr != NULL) 811 *lsr = sc->sc_lsr; 812 if (msr != NULL) 813 *msr = sc->sc_msr; 814 } 815 816 #if TODO 817 int 818 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 819 usb_proc_ptr p) 820 { 821 struct uplcom_softc *sc = addr; 822 int error = 0; 823 824 if (sc->sc_dying) 825 return (EIO); 826 827 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 828 829 switch (cmd) { 830 case TIOCNOTTY: 831 case TIOCMGET: 832 case TIOCMSET: 833 case USB_GET_CM_OVER_DATA: 834 case USB_SET_CM_OVER_DATA: 835 break; 836 837 default: 838 DPRINTF(("uplcom_ioctl: unknown\n")); 839 error = ENOTTY; 840 break; 841 } 842 843 return (error); 844 } 845 #endif 846
Indexes created Sat Sep 27 22:09:54 GMT 2025