uplcom.c revision 1.65
1 /* $NetBSD: uplcom.c,v 1.65 2008/05/24 16:40:58 cube 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 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* 32 * General information: http://www.prolific.com.tw/fr_pl2303.htm 33 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.65 2008/05/24 16:40:58 cube Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/malloc.h> 43 #include <sys/ioctl.h> 44 #include <sys/conf.h> 45 #include <sys/tty.h> 46 #include <sys/file.h> 47 #include <sys/select.h> 48 #include <sys/proc.h> 49 #include <sys/device.h> 50 #include <sys/poll.h> 51 52 #include <dev/usb/usb.h> 53 #include <dev/usb/usbcdc.h> 54 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 #include <dev/usb/usbdevs.h> 58 #include <dev/usb/usb_quirks.h> 59 60 #include <dev/usb/ucomvar.h> 61 62 #ifdef UPLCOM_DEBUG 63 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 64 int uplcomdebug = 0; 65 #else 66 #define DPRINTFN(n, x) 67 #endif 68 #define DPRINTF(x) DPRINTFN(0, x) 69 70 #define UPLCOM_CONFIG_INDEX 0 71 #define UPLCOM_IFACE_INDEX 0 72 #define UPLCOM_SECOND_IFACE_INDEX 1 73 74 #define UPLCOM_SET_REQUEST 0x01 75 #define UPLCOM_SET_CRTSCTS_0 0x41 76 #define UPLCOM_SET_CRTSCTS_HX 0x61 77 #define RSAQ_STATUS_DSR 0x02 78 #define RSAQ_STATUS_DCD 0x01 79 80 enum pl2303_type { 81 UPLCOM_TYPE_0, 82 UPLCOM_TYPE_HX, 83 }; 84 85 struct uplcom_softc { 86 USBBASEDEVICE sc_dev; /* base device */ 87 usbd_device_handle sc_udev; /* USB device */ 88 usbd_interface_handle sc_iface; /* interface */ 89 int sc_iface_number; /* interface number */ 90 91 usbd_interface_handle sc_intr_iface; /* interrupt interface */ 92 int sc_intr_number; /* interrupt number */ 93 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 94 u_char *sc_intr_buf; /* interrupt buffer */ 95 int sc_isize; 96 97 usb_cdc_line_state_t sc_line_state; /* current line state */ 98 int sc_dtr; /* current DTR state */ 99 int sc_rts; /* current RTS state */ 100 101 device_ptr_t sc_subdev; /* ucom device */ 102 103 u_char sc_dying; /* disconnecting */ 104 105 u_char sc_lsr; /* Local status register */ 106 u_char sc_msr; /* uplcom status register */ 107 108 enum pl2303_type sc_type; /* PL2303 chip type */ 109 }; 110 111 /* 112 * These are the maximum number of bytes transferred per frame. 113 * The output buffer size cannot be increased due to the size encoding. 114 */ 115 #define UPLCOMIBUFSIZE 256 116 #define UPLCOMOBUFSIZE 256 117 118 Static usbd_status uplcom_reset(struct uplcom_softc *); 119 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 120 usb_cdc_line_state_t *state); 121 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *); 122 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 123 124 Static void uplcom_set(void *, int, int, int); 125 Static void uplcom_dtr(struct uplcom_softc *, int); 126 Static void uplcom_rts(struct uplcom_softc *, int); 127 Static void uplcom_break(struct uplcom_softc *, int); 128 Static void uplcom_set_line_state(struct uplcom_softc *); 129 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 130 #if TODO 131 Static int uplcom_ioctl(void *, int, u_long, void *, int, usb_proc_ptr ); 132 #endif 133 Static int uplcom_param(void *, int, struct termios *); 134 Static int uplcom_open(void *, int); 135 Static void uplcom_close(void *, int); 136 Static usbd_status uplcom_vendor_control_write(usbd_device_handle, u_int16_t, u_int16_t); 137 138 struct ucom_methods uplcom_methods = { 139 uplcom_get_status, 140 uplcom_set, 141 uplcom_param, 142 NULL, /* uplcom_ioctl, TODO */ 143 uplcom_open, 144 uplcom_close, 145 NULL, 146 NULL, 147 }; 148 149 static const struct uplcom_type { 150 struct usb_devno uplcom_dev; 151 int32_t release; 152 enum pl2303_type chiptype; 153 } uplcom_devs[] = { 154 /* I/O DATA USB-RSAQ2 */ 155 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, 156 -1, UPLCOM_TYPE_0 }, 157 /* I/O DATA USB-RSAQ3 */ 158 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 }, 159 -1, UPLCOM_TYPE_HX }, 160 /* I/O DATA USB-RSAQ */ 161 { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, 162 -1, UPLCOM_TYPE_0 }, 163 /* I/O DATA USB-RSAQ5 */ 164 { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, 165 -1, UPLCOM_TYPE_HX }, 166 /* PLANEX USB-RS232 URS-03 */ 167 { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, 168 -1, UPLCOM_TYPE_0 }, 169 /* TrendNet TU-S9 */ 170 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 171 0x400, UPLCOM_TYPE_HX }, 172 /* ST Lab USB-SERIAL-4 */ 173 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 174 0x300, UPLCOM_TYPE_HX }, 175 /* IOGEAR/ATEN UC-232A */ 176 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 177 -1, UPLCOM_TYPE_0 }, 178 /* SMART Technologies USB to serial */ 179 { { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, 180 -1, UPLCOM_TYPE_HX }, 181 /* IOGEAR/ATENTRIPPLITE */ 182 { { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 183 0x300, UPLCOM_TYPE_HX }, 184 { { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, 185 -1, UPLCOM_TYPE_0 }, 186 /* ELECOM UC-SGT */ 187 { { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, 188 -1, UPLCOM_TYPE_0 }, 189 /* ELECOM UC-SGT0 */ 190 { { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, 191 -1, UPLCOM_TYPE_0 }, 192 /* Panasonic 50" Touch Panel */ 193 { { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, 194 -1, UPLCOM_TYPE_0 }, 195 /* RATOC REX-USB60 */ 196 { { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, 197 -1, UPLCOM_TYPE_0 }, 198 /* TDK USB-PHS Adapter UHA6400 */ 199 { { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, 200 -1, UPLCOM_TYPE_0 }, 201 /* TDK USB-PDC Adapter UPA9664 */ 202 { { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, 203 -1, UPLCOM_TYPE_0 }, 204 /* Sony Ericsson USB Cable */ 205 { { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, 206 -1, UPLCOM_TYPE_0 }, 207 /* SOURCENEXT KeikaiDenwa 8 */ 208 { { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, 209 -1, UPLCOM_TYPE_0 }, 210 /* SOURCENEXT KeikaiDenwa 8 with charger */ 211 { { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, 212 -1, UPLCOM_TYPE_0 }, 213 /* HAL Corporation Crossam2+USB */ 214 { { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, 215 -1, UPLCOM_TYPE_0 }, 216 /* Sitecom USB to serial cable */ 217 { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, 218 -1, UPLCOM_TYPE_0 }, 219 /* Pharos USB GPS - Microsoft version */ 220 { { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, 221 -1, UPLCOM_TYPE_0 }, 222 /* Willcom WS002IN (DD) */ 223 { { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN }, 224 -1, UPLCOM_TYPE_HX }, 225 }; 226 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) 227 228 int uplcom_match(device_t, cfdata_t, void *); 229 void uplcom_attach(device_t, device_t, void *); 230 void uplcom_childdet(device_t, device_t); 231 int uplcom_detach(device_t, int); 232 int uplcom_activate(device_t, enum devact); 233 extern struct cfdriver uplcom_cd; 234 CFATTACH_DECL2_NEW(uplcom, sizeof(struct uplcom_softc), uplcom_match, 235 uplcom_attach, uplcom_detach, uplcom_activate, NULL, uplcom_childdet); 236 237 USB_MATCH(uplcom) 238 { 239 USB_MATCH_START(uplcom, uaa); 240 241 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ? 242 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 243 } 244 245 USB_ATTACH(uplcom) 246 { 247 USB_ATTACH_START(uplcom, sc, uaa); 248 usbd_device_handle dev = uaa->device; 249 usb_config_descriptor_t *cdesc; 250 usb_interface_descriptor_t *id; 251 usb_endpoint_descriptor_t *ed; 252 char *devinfop; 253 const char *devname = device_xname(self); 254 usbd_status err; 255 int i; 256 struct ucom_attach_args uca; 257 258 sc->sc_dev = self; 259 260 devinfop = usbd_devinfo_alloc(dev, 0); 261 USB_ATTACH_SETUP; 262 aprint_normal_dev(self, "%s\n", devinfop); 263 usbd_devinfo_free(devinfop); 264 265 sc->sc_udev = dev; 266 267 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 268 269 /* initialize endpoints */ 270 uca.bulkin = uca.bulkout = -1; 271 sc->sc_intr_number = -1; 272 sc->sc_intr_pipe = NULL; 273 274 /* Move the device into the configured state. */ 275 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 276 if (err) { 277 aprint_error("\n%s: failed to set configuration, err=%s\n", 278 devname, usbd_errstr(err)); 279 sc->sc_dying = 1; 280 USB_ATTACH_ERROR_RETURN; 281 } 282 283 /* determine chip type */ 284 for (i = 0; uplcom_devs[i].uplcom_dev.ud_vendor != 0; i++) { 285 if (uplcom_devs[i].uplcom_dev.ud_vendor == uaa->vendor && 286 uplcom_devs[i].uplcom_dev.ud_product == uaa->product && 287 (uplcom_devs[i].release == uaa->release || 288 uplcom_devs[i].release == -1)) { 289 sc->sc_type = uplcom_devs[i].chiptype; 290 break; 291 } 292 } 293 294 #ifdef USB_DEBUG 295 /* print the chip type */ 296 if (sc->sc_type == UPLCOM_TYPE_HX) { 297 DPRINTF(("uplcom_attach: chiptype HX\n")); 298 } else { 299 DPRINTF(("uplcom_attach: chiptype 0\n")); 300 } 301 #endif 302 303 /* Move the device into the configured state. */ 304 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 305 if (err) { 306 aprint_error_dev(self, "failed to set configuration: %s\n", 307 usbd_errstr(err)); 308 sc->sc_dying = 1; 309 USB_ATTACH_ERROR_RETURN; 310 } 311 312 /* get the config descriptor */ 313 cdesc = usbd_get_config_descriptor(sc->sc_udev); 314 315 if (cdesc == NULL) { 316 aprint_error_dev(self, 317 "failed to get configuration descriptor\n"); 318 sc->sc_dying = 1; 319 USB_ATTACH_ERROR_RETURN; 320 } 321 322 /* get the (first/common) interface */ 323 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, 324 &sc->sc_iface); 325 if (err) { 326 aprint_error("\n%s: failed to get interface, err=%s\n", 327 devname, usbd_errstr(err)); 328 sc->sc_dying = 1; 329 USB_ATTACH_ERROR_RETURN; 330 } 331 332 /* Find the interrupt endpoints */ 333 334 id = usbd_get_interface_descriptor(sc->sc_iface); 335 sc->sc_iface_number = id->bInterfaceNumber; 336 337 for (i = 0; i < id->bNumEndpoints; i++) { 338 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 339 if (ed == NULL) { 340 aprint_error_dev(self, 341 "no endpoint descriptor for %d\n", i); 342 sc->sc_dying = 1; 343 USB_ATTACH_ERROR_RETURN; 344 } 345 346 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 347 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 348 sc->sc_intr_number = ed->bEndpointAddress; 349 sc->sc_isize = UGETW(ed->wMaxPacketSize); 350 } 351 } 352 353 if (sc->sc_intr_number== -1) { 354 aprint_error_dev(self, "Could not find interrupt in\n"); 355 sc->sc_dying = 1; 356 USB_ATTACH_ERROR_RETURN; 357 } 358 359 /* keep interface for interrupt */ 360 sc->sc_intr_iface = sc->sc_iface; 361 362 /* 363 * USB-RSAQ1 has two interface 364 * 365 * USB-RSAQ1 | USB-RSAQ2 366 * -----------------+----------------- 367 * Interface 0 |Interface 0 368 * Interrupt(0x81) | Interrupt(0x81) 369 * -----------------+ BulkIN(0x02) 370 * Interface 1 | BulkOUT(0x83) 371 * BulkIN(0x02) | 372 * BulkOUT(0x83) | 373 */ 374 if (cdesc->bNumInterface == 2) { 375 err = usbd_device2interface_handle(dev, 376 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface); 377 if (err) { 378 aprint_error("\n%s: failed to get second interface, err=%s\n", 379 devname, usbd_errstr(err)); 380 sc->sc_dying = 1; 381 USB_ATTACH_ERROR_RETURN; 382 } 383 } 384 385 /* Find the bulk{in,out} endpoints */ 386 387 id = usbd_get_interface_descriptor(sc->sc_iface); 388 sc->sc_iface_number = id->bInterfaceNumber; 389 390 for (i = 0; i < id->bNumEndpoints; i++) { 391 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 392 if (ed == NULL) { 393 aprint_error_dev(self, 394 "no endpoint descriptor for %d\n", i); 395 sc->sc_dying = 1; 396 USB_ATTACH_ERROR_RETURN; 397 } 398 399 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 400 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 401 uca.bulkin = ed->bEndpointAddress; 402 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 403 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 404 uca.bulkout = ed->bEndpointAddress; 405 } 406 } 407 408 if (uca.bulkin == -1) { 409 aprint_error_dev(self, "Could not find data bulk in\n"); 410 sc->sc_dying = 1; 411 USB_ATTACH_ERROR_RETURN; 412 } 413 414 if (uca.bulkout == -1) { 415 aprint_error_dev(self, "Could not find data bulk out\n"); 416 sc->sc_dying = 1; 417 USB_ATTACH_ERROR_RETURN; 418 } 419 420 sc->sc_dtr = sc->sc_rts = -1; 421 uca.portno = UCOM_UNK_PORTNO; 422 /* bulkin, bulkout set above */ 423 uca.ibufsize = UPLCOMIBUFSIZE; 424 uca.obufsize = UPLCOMOBUFSIZE; 425 uca.ibufsizepad = UPLCOMIBUFSIZE; 426 uca.opkthdrlen = 0; 427 uca.device = dev; 428 uca.iface = sc->sc_iface; 429 uca.methods = &uplcom_methods; 430 uca.arg = sc; 431 uca.info = NULL; 432 433 err = uplcom_reset(sc); 434 435 if (err) { 436 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); 437 sc->sc_dying = 1; 438 USB_ATTACH_ERROR_RETURN; 439 } 440 441 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 442 USBDEV(sc->sc_dev)); 443 444 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n", 445 uca.bulkin, uca.bulkout, sc->sc_intr_number )); 446 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 447 ucomprint, ucomsubmatch); 448 449 USB_ATTACH_SUCCESS_RETURN; 450 } 451 452 void 453 uplcom_childdet(device_t self, device_t child) 454 { 455 struct uplcom_softc *sc = device_private(self); 456 457 KASSERT(sc->sc_subdev == child); 458 sc->sc_subdev = NULL; 459 } 460 461 USB_DETACH(uplcom) 462 { 463 USB_DETACH_START(uplcom, sc); 464 int rv = 0; 465 466 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 467 468 if (sc->sc_intr_pipe != NULL) { 469 usbd_abort_pipe(sc->sc_intr_pipe); 470 usbd_close_pipe(sc->sc_intr_pipe); 471 free(sc->sc_intr_buf, M_USBDEV); 472 sc->sc_intr_pipe = NULL; 473 } 474 475 sc->sc_dying = 1; 476 if (sc->sc_subdev != NULL) 477 rv = config_detach(sc->sc_subdev, flags); 478 479 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 480 USBDEV(sc->sc_dev)); 481 482 return (rv); 483 } 484 485 int 486 uplcom_activate(device_t self, enum devact act) 487 { 488 struct uplcom_softc *sc = device_private(self); 489 int rv = 0; 490 491 switch (act) { 492 case DVACT_ACTIVATE: 493 return (EOPNOTSUPP); 494 495 case DVACT_DEACTIVATE: 496 if (sc->sc_subdev != NULL) 497 rv = config_deactivate(sc->sc_subdev); 498 sc->sc_dying = 1; 499 break; 500 } 501 return (rv); 502 } 503 504 usbd_status 505 uplcom_reset(struct uplcom_softc *sc) 506 { 507 usb_device_request_t req; 508 usbd_status err; 509 510 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 511 req.bRequest = UPLCOM_SET_REQUEST; 512 USETW(req.wValue, 0); 513 USETW(req.wIndex, sc->sc_iface_number); 514 USETW(req.wLength, 0); 515 516 err = usbd_do_request(sc->sc_udev, &req, 0); 517 if (err) 518 return (EIO); 519 520 return (0); 521 } 522 523 struct pl2303x_init { 524 uint8_t req_type; 525 uint8_t request; 526 uint16_t value; 527 uint16_t index; 528 uint16_t length; 529 }; 530 531 static const struct pl2303x_init pl2303x[] = { 532 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 533 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0 }, 534 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 535 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 536 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 537 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0 }, 538 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, 539 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, 540 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0 }, 541 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0 }, 542 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0 } 543 }; 544 #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) 545 546 static usbd_status 547 uplcom_pl2303x_init(struct uplcom_softc *sc) 548 { 549 usb_device_request_t req; 550 usbd_status err; 551 int i; 552 553 for (i = 0; i < N_PL2302X_INIT; i++) { 554 req.bmRequestType = pl2303x[i].req_type; 555 req.bRequest = pl2303x[i].request; 556 USETW(req.wValue, pl2303x[i].value); 557 USETW(req.wIndex, pl2303x[i].index); 558 USETW(req.wLength, pl2303x[i].length); 559 560 err = usbd_do_request(sc->sc_udev, &req, 0); 561 if (err) { 562 aprint_error_dev(sc->sc_dev, 563 "uplcom_pl2303x_init failed: %s\n", 564 usbd_errstr(err)); 565 return (EIO); 566 } 567 } 568 569 return (0); 570 } 571 572 void 573 uplcom_set_line_state(struct uplcom_softc *sc) 574 { 575 usb_device_request_t req; 576 int ls; 577 578 /* make sure we have initialized state for sc_dtr and sc_rts */ 579 if (sc->sc_dtr == -1) 580 sc->sc_dtr = 0; 581 if (sc->sc_rts == -1) 582 sc->sc_rts = 0; 583 584 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 585 (sc->sc_rts ? UCDC_LINE_RTS : 0); 586 587 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 588 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 589 USETW(req.wValue, ls); 590 USETW(req.wIndex, sc->sc_iface_number); 591 USETW(req.wLength, 0); 592 593 (void)usbd_do_request(sc->sc_udev, &req, 0); 594 } 595 596 void 597 uplcom_set(void *addr, int portno, int reg, int onoff) 598 { 599 struct uplcom_softc *sc = addr; 600 601 switch (reg) { 602 case UCOM_SET_DTR: 603 uplcom_dtr(sc, onoff); 604 break; 605 case UCOM_SET_RTS: 606 uplcom_rts(sc, onoff); 607 break; 608 case UCOM_SET_BREAK: 609 uplcom_break(sc, onoff); 610 break; 611 default: 612 break; 613 } 614 } 615 616 void 617 uplcom_dtr(struct uplcom_softc *sc, int onoff) 618 { 619 620 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff)); 621 622 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) 623 return; 624 625 sc->sc_dtr = !!onoff; 626 627 uplcom_set_line_state(sc); 628 } 629 630 void 631 uplcom_rts(struct uplcom_softc *sc, int onoff) 632 { 633 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 634 635 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff) 636 return; 637 638 sc->sc_rts = !!onoff; 639 640 uplcom_set_line_state(sc); 641 } 642 643 void 644 uplcom_break(struct uplcom_softc *sc, int onoff) 645 { 646 usb_device_request_t req; 647 648 DPRINTF(("uplcom_break: onoff=%d\n", onoff)); 649 650 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 651 req.bRequest = UCDC_SEND_BREAK; 652 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 653 USETW(req.wIndex, sc->sc_iface_number); 654 USETW(req.wLength, 0); 655 656 (void)usbd_do_request(sc->sc_udev, &req, 0); 657 } 658 659 usbd_status 660 uplcom_set_crtscts(struct uplcom_softc *sc) 661 { 662 usb_device_request_t req; 663 usbd_status err; 664 665 DPRINTF(("uplcom_set_crtscts: on\n")); 666 667 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 668 req.bRequest = UPLCOM_SET_REQUEST; 669 USETW(req.wValue, 0); 670 if (sc->sc_type == UPLCOM_TYPE_HX) 671 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); 672 else 673 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); 674 USETW(req.wLength, 0); 675 676 err = usbd_do_request(sc->sc_udev, &req, 0); 677 if (err) { 678 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n", 679 usbd_errstr(err))); 680 return (err); 681 } 682 683 return (USBD_NORMAL_COMPLETION); 684 } 685 686 usbd_status 687 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 688 { 689 usb_device_request_t req; 690 usbd_status err; 691 692 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 693 UGETDW(state->dwDTERate), state->bCharFormat, 694 state->bParityType, state->bDataBits)); 695 696 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 697 DPRINTF(("uplcom_set_line_coding: already set\n")); 698 return (USBD_NORMAL_COMPLETION); 699 } 700 701 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 702 req.bRequest = UCDC_SET_LINE_CODING; 703 USETW(req.wValue, 0); 704 USETW(req.wIndex, sc->sc_iface_number); 705 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 706 707 err = usbd_do_request(sc->sc_udev, &req, state); 708 if (err) { 709 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 710 usbd_errstr(err))); 711 return (err); 712 } 713 714 sc->sc_line_state = *state; 715 716 return (USBD_NORMAL_COMPLETION); 717 } 718 719 int 720 uplcom_param(void *addr, int portno, struct termios *t) 721 { 722 struct uplcom_softc *sc = addr; 723 usbd_status err; 724 usb_cdc_line_state_t ls; 725 726 DPRINTF(("uplcom_param: sc=%p\n", sc)); 727 728 USETDW(ls.dwDTERate, t->c_ospeed); 729 if (ISSET(t->c_cflag, CSTOPB)) 730 ls.bCharFormat = UCDC_STOP_BIT_2; 731 else 732 ls.bCharFormat = UCDC_STOP_BIT_1; 733 if (ISSET(t->c_cflag, PARENB)) { 734 if (ISSET(t->c_cflag, PARODD)) 735 ls.bParityType = UCDC_PARITY_ODD; 736 else 737 ls.bParityType = UCDC_PARITY_EVEN; 738 } else 739 ls.bParityType = UCDC_PARITY_NONE; 740 switch (ISSET(t->c_cflag, CSIZE)) { 741 case CS5: 742 ls.bDataBits = 5; 743 break; 744 case CS6: 745 ls.bDataBits = 6; 746 break; 747 case CS7: 748 ls.bDataBits = 7; 749 break; 750 case CS8: 751 ls.bDataBits = 8; 752 break; 753 } 754 755 err = uplcom_set_line_coding(sc, &ls); 756 if (err) { 757 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 758 return (EIO); 759 } 760 761 if (ISSET(t->c_cflag, CRTSCTS)) 762 uplcom_set_crtscts(sc); 763 764 if (sc->sc_rts == -1 || sc->sc_dtr == -1) 765 uplcom_set_line_state(sc); 766 767 if (err) { 768 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 769 return (EIO); 770 } 771 772 return (0); 773 } 774 775 Static usbd_status 776 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index) 777 { 778 usb_device_request_t req; 779 usbd_status err; 780 781 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 782 req.bRequest = UPLCOM_SET_REQUEST; 783 USETW(req.wValue, value); 784 USETW(req.wIndex, index); 785 USETW(req.wLength, 0); 786 787 err = usbd_do_request(dev, &req, NULL); 788 789 if (err) { 790 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n", 791 usbd_errstr(err), err)); 792 } 793 794 return err; 795 } 796 797 int 798 uplcom_open(void *addr, int portno) 799 { 800 struct uplcom_softc *sc = addr; 801 usbd_status err; 802 803 if (sc->sc_dying) 804 return (EIO); 805 806 DPRINTF(("uplcom_open: sc=%p\n", sc)); 807 808 /* Some unknown device frobbing. */ 809 if (sc->sc_type == UPLCOM_TYPE_HX) 810 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); 811 else 812 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); 813 814 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 815 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 816 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 817 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, 818 sc->sc_intr_buf, sc->sc_isize, 819 uplcom_intr, USBD_DEFAULT_INTERVAL); 820 if (err) { 821 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n", 822 USBDEVNAME(sc->sc_dev), sc->sc_intr_number)); 823 return (EIO); 824 } 825 } 826 827 if (sc->sc_type == UPLCOM_TYPE_HX) 828 return (uplcom_pl2303x_init(sc)); 829 830 return (0); 831 } 832 833 void 834 uplcom_close(void *addr, int portno) 835 { 836 struct uplcom_softc *sc = addr; 837 int err; 838 839 if (sc->sc_dying) 840 return; 841 842 DPRINTF(("uplcom_close: close\n")); 843 844 if (sc->sc_intr_pipe != NULL) { 845 err = usbd_abort_pipe(sc->sc_intr_pipe); 846 if (err) 847 printf("%s: abort interrupt pipe failed: %s\n", 848 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 849 err = usbd_close_pipe(sc->sc_intr_pipe); 850 if (err) 851 printf("%s: close interrupt pipe failed: %s\n", 852 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 853 free(sc->sc_intr_buf, M_USBDEV); 854 sc->sc_intr_pipe = NULL; 855 } 856 } 857 858 void 859 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 860 usbd_status status) 861 { 862 struct uplcom_softc *sc = priv; 863 u_char *buf = sc->sc_intr_buf; 864 u_char pstatus; 865 866 if (sc->sc_dying) 867 return; 868 869 if (status != USBD_NORMAL_COMPLETION) { 870 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 871 return; 872 873 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 874 usbd_errstr(status))); 875 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 876 return; 877 } 878 879 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8])); 880 881 sc->sc_lsr = sc->sc_msr = 0; 882 pstatus = buf[8]; 883 if (ISSET(pstatus, RSAQ_STATUS_DSR)) 884 sc->sc_msr |= UMSR_DSR; 885 if (ISSET(pstatus, RSAQ_STATUS_DCD)) 886 sc->sc_msr |= UMSR_DCD; 887 ucom_status_change(device_private(sc->sc_subdev)); 888 } 889 890 void 891 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 892 { 893 struct uplcom_softc *sc = addr; 894 895 DPRINTF(("uplcom_get_status:\n")); 896 897 if (lsr != NULL) 898 *lsr = sc->sc_lsr; 899 if (msr != NULL) 900 *msr = sc->sc_msr; 901 } 902 903 #if TODO 904 int 905 uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, 906 usb_proc_ptr p) 907 { 908 struct uplcom_softc *sc = addr; 909 int error = 0; 910 911 if (sc->sc_dying) 912 return (EIO); 913 914 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd)); 915 916 switch (cmd) { 917 case TIOCNOTTY: 918 case TIOCMGET: 919 case TIOCMSET: 920 case USB_GET_CM_OVER_DATA: 921 case USB_SET_CM_OVER_DATA: 922 break; 923 924 default: 925 DPRINTF(("uplcom_ioctl: unknown\n")); 926 error = ENOTTY; 927 break; 928 } 929 930 return (error); 931 } 932 #endif 933
Indexes created Mon Sep 29 03:10:08 GMT 2025