1 /* $OpenBSD: uticom.c,v 1.33 2018/03/15 00:42:41 kevlo Exp $ */ 2 /* 3 * Copyright (c) 2005 Dmitry Komissaroff <dxi@mail.ru>. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/param.h> 28 #include <sys/systm.h> 29 #include <sys/kernel.h> 30 #include <sys/device.h> 31 #include <sys/malloc.h> 32 #include <sys/conf.h> 33 #include <sys/tty.h> 34 35 #include <machine/bus.h> 36 37 #include <dev/usb/usb.h> 38 #include <dev/usb/usbdi.h> 39 #include <dev/usb/usbdivar.h> 40 #include <dev/usb/usbdi_util.h> 41 #include <dev/usb/usbdevs.h> 42 #include <dev/usb/usbcdc.h> 43 44 #include <dev/usb/ucomvar.h> 45 46 #ifdef UTICOM_DEBUG 47 static int uticomdebug = 0; 48 #define DPRINTFN(n, x) do { if (uticomdebug > (n)) printf x; } while (0) 49 #else 50 #define DPRINTFN(n, x) 51 #endif 52 53 #define DPRINTF(x) DPRINTFN(0, x) 54 55 #define UTICOM_CONFIG_INDEX 1 56 #define UTICOM_ACTIVE_INDEX 2 57 58 #define UTICOM_IFACE_INDEX 0 59 60 /* 61 * These are the maximum number of bytes transferred per frame. 62 * The output buffer size cannot be increased due to the size encoding. 63 */ 64 #define UTICOM_IBUFSZ 64 65 #define UTICOM_OBUFSZ 64 66 67 #define UTICOM_FW_BUFSZ 16284 68 69 #define UTICOM_INTR_INTERVAL 100 /* ms */ 70 71 #define UTICOM_RQ_LINE 0 72 /* Used to sync data0/1-toggle on reopen bulk pipe. */ 73 #define UTICOM_RQ_SOF 1 74 #define UTICOM_RQ_SON 2 75 76 #define UTICOM_RQ_BAUD 3 77 #define UTICOM_RQ_LCR 4 78 #define UTICOM_RQ_FCR 5 79 #define UTICOM_RQ_RTS 6 80 #define UTICOM_RQ_DTR 7 81 #define UTICOM_RQ_BREAK 8 82 #define UTICOM_RQ_CRTSCTS 9 83 84 #define UTICOM_BRATE_REF 923077 85 86 #define UTICOM_SET_DATA_BITS(x) (x - 5) 87 88 #define UTICOM_STOP_BITS_1 0x00 89 #define UTICOM_STOP_BITS_2 0x40 90 91 #define UTICOM_PARITY_NONE 0x00 92 #define UTICOM_PARITY_ODD 0x08 93 #define UTICOM_PARITY_EVEN 0x18 94 95 #define UTICOM_LCR_OVR 0x1 96 #define UTICOM_LCR_PTE 0x2 97 #define UTICOM_LCR_FRE 0x4 98 #define UTICOM_LCR_BRK 0x8 99 100 #define UTICOM_MCR_CTS 0x1 101 #define UTICOM_MCR_DSR 0x2 102 #define UTICOM_MCR_CD 0x4 103 #define UTICOM_MCR_RI 0x8 104 105 /* Structures */ 106 struct uticom_fw_header { 107 uint16_t length; 108 uint8_t checkSum; 109 } __packed; 110 111 struct uticom_buf { 112 unsigned int buf_size; 113 char *buf_buf; 114 char *buf_get; 115 char *buf_put; 116 }; 117 118 struct uticom_softc { 119 struct device sc_dev; /* base device */ 120 struct usbd_device *sc_udev; /* device */ 121 struct usbd_interface *sc_iface; /* interface */ 122 123 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 124 int sc_intr_number; /* interrupt number */ 125 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 126 u_char *sc_intr_buf; /* interrupt buffer */ 127 int sc_isize; 128 129 u_char sc_dtr; /* current DTR state */ 130 u_char sc_rts; /* current RTS state */ 131 u_char sc_status; 132 133 u_char sc_lsr; /* Local status register */ 134 u_char sc_msr; /* uticom status register */ 135 136 struct device *sc_subdev; 137 }; 138 139 static usbd_status uticom_reset(struct uticom_softc *); 140 static usbd_status uticom_set_crtscts(struct uticom_softc *); 141 static void uticom_intr(struct usbd_xfer *, void *, usbd_status); 142 143 static void uticom_set(void *, int, int, int); 144 static void uticom_dtr(struct uticom_softc *, int); 145 static void uticom_rts(struct uticom_softc *, int); 146 static void uticom_break(struct uticom_softc *, int); 147 static void uticom_get_status(void *, int, u_char *, u_char *); 148 static int uticom_param(void *, int, struct termios *); 149 static int uticom_open(void *, int); 150 static void uticom_close(void *, int); 151 152 void uticom_attach_hook(struct device *); 153 154 static int uticom_download_fw(struct uticom_softc *sc, int pipeno, 155 struct usbd_device *dev); 156 157 struct ucom_methods uticom_methods = { 158 uticom_get_status, 159 uticom_set, 160 uticom_param, 161 NULL, 162 uticom_open, 163 uticom_close, 164 NULL, 165 NULL 166 }; 167 168 int uticom_match(struct device *, void *, void *); 169 void uticom_attach(struct device *, struct device *, void *); 170 int uticom_detach(struct device *, int); 171 172 struct cfdriver uticom_cd = { 173 NULL, "uticom", DV_DULL 174 }; 175 176 const struct cfattach uticom_ca = { 177 sizeof(struct uticom_softc), uticom_match, uticom_attach, uticom_detach 178 }; 179 180 static const struct usb_devno uticom_devs[] = { 181 { USB_VENDOR_TI, USB_PRODUCT_TI_TUSB3410 }, 182 { USB_VENDOR_TI, USB_PRODUCT_TI_MSP430_JTAG }, 183 { USB_VENDOR_STARTECH, USB_PRODUCT_STARTECH_ICUSB232X }, 184 { USB_VENDOR_MOXA, USB_PRODUCT_MOXA_UPORT1110 }, 185 { USB_VENDOR_ABBOTT, USB_PRODUCT_ABBOTT_STEREO_PLUG } 186 }; 187 188 int 189 uticom_match(struct device *parent, void *match, void *aux) 190 { 191 struct usb_attach_arg *uaa = aux; 192 193 if (uaa->iface != NULL) 194 return (UMATCH_NONE); 195 196 return (usb_lookup(uticom_devs, uaa->vendor, uaa->product) != NULL ? 197 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 198 } 199 200 void 201 uticom_attach(struct device *parent, struct device *self, void *aux) 202 { 203 struct uticom_softc *sc = (struct uticom_softc *)self; 204 struct usb_attach_arg *uaa = aux; 205 struct usbd_device *dev = uaa->device; 206 207 sc->sc_udev = dev; 208 sc->sc_iface = uaa->iface; 209 210 config_mountroot(self, uticom_attach_hook); 211 } 212 213 void 214 uticom_attach_hook(struct device *self) 215 { 216 struct uticom_softc *sc = (struct uticom_softc *)self; 217 usb_config_descriptor_t *cdesc; 218 usb_interface_descriptor_t *id; 219 usb_endpoint_descriptor_t *ed; 220 usbd_status err; 221 int status, i; 222 usb_device_descriptor_t *dd; 223 struct ucom_attach_args uca; 224 225 /* Initialize endpoints. */ 226 uca.bulkin = uca.bulkout = -1; 227 sc->sc_intr_number = -1; 228 sc->sc_intr_pipe = NULL; 229 230 dd = usbd_get_device_descriptor(sc->sc_udev); 231 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 232 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 233 234 /* The device without firmware has single configuration with single 235 * bulk out interface. */ 236 if (dd->bNumConfigurations > 1) 237 goto fwload_done; 238 239 /* Loading firmware. */ 240 DPRINTF(("%s: uticom_attach: starting loading firmware\n", 241 sc->sc_dev.dv_xname)); 242 243 err = usbd_set_config_index(sc->sc_udev, UTICOM_CONFIG_INDEX, 1); 244 if (err) { 245 printf("%s: failed to set configuration: %s\n", 246 sc->sc_dev.dv_xname, usbd_errstr(err)); 247 usbd_deactivate(sc->sc_udev); 248 return; 249 } 250 251 /* Get the config descriptor. */ 252 cdesc = usbd_get_config_descriptor(sc->sc_udev); 253 254 if (cdesc == NULL) { 255 printf("%s: failed to get configuration descriptor\n", 256 sc->sc_dev.dv_xname); 257 usbd_deactivate(sc->sc_udev); 258 return; 259 } 260 261 err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, 262 &sc->sc_iface); 263 if (err) { 264 printf("%s: failed to get interface: %s\n", 265 sc->sc_dev.dv_xname, usbd_errstr(err)); 266 usbd_deactivate(sc->sc_udev); 267 return; 268 } 269 270 /* Find the bulk out interface used to upload firmware. */ 271 id = usbd_get_interface_descriptor(sc->sc_iface); 272 273 for (i = 0; i < id->bNumEndpoints; i++) { 274 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 275 if (ed == NULL) { 276 printf("%s: no endpoint descriptor for %d\n", 277 sc->sc_dev.dv_xname, i); 278 usbd_deactivate(sc->sc_udev); 279 return; 280 } 281 282 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 283 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 284 uca.bulkout = ed->bEndpointAddress; 285 DPRINTF(("%s: uticom_attach: data bulk out num: %d\n", 286 sc->sc_dev.dv_xname, ed->bEndpointAddress)); 287 } 288 289 if (uca.bulkout == -1) { 290 printf("%s: could not find data bulk out\n", 291 sc->sc_dev.dv_xname); 292 usbd_deactivate(sc->sc_udev); 293 return; 294 } 295 } 296 297 status = uticom_download_fw(sc, uca.bulkout, sc->sc_udev); 298 299 if (status) { 300 printf("%s: firmware download failed\n", 301 sc->sc_dev.dv_xname); 302 usbd_deactivate(sc->sc_udev); 303 return; 304 } else { 305 DPRINTF(("%s: firmware download succeeded\n", 306 sc->sc_dev.dv_xname)); 307 } 308 309 status = usbd_reload_device_desc(sc->sc_udev); 310 if (status) { 311 printf("%s: error reloading device descriptor\n", 312 sc->sc_dev.dv_xname); 313 usbd_deactivate(sc->sc_udev); 314 return; 315 } 316 317 fwload_done: 318 dd = usbd_get_device_descriptor(sc->sc_udev); 319 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 320 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 321 322 err = usbd_set_config_index(sc->sc_udev, UTICOM_ACTIVE_INDEX, 1); 323 if (err) { 324 printf("%s: failed to set configuration: %s\n", 325 sc->sc_dev.dv_xname, usbd_errstr(err)); 326 usbd_deactivate(sc->sc_udev); 327 return; 328 } 329 330 /* Get the config descriptor. */ 331 cdesc = usbd_get_config_descriptor(sc->sc_udev); 332 if (cdesc == NULL) { 333 printf("%s: failed to get configuration descriptor\n", 334 sc->sc_dev.dv_xname); 335 usbd_deactivate(sc->sc_udev); 336 return; 337 } 338 339 /* Get the interface (XXX: multiport chips are not supported yet). */ 340 err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, 341 &sc->sc_iface); 342 if (err) { 343 printf("%s: failed to get interface: %s\n", 344 sc->sc_dev.dv_xname, usbd_errstr(err)); 345 usbd_deactivate(sc->sc_udev); 346 return; 347 } 348 349 /* Find the interrupt endpoints. */ 350 id = usbd_get_interface_descriptor(sc->sc_iface); 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 sc->sc_dev.dv_xname, i); 357 usbd_deactivate(sc->sc_udev); 358 return; 359 } 360 361 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 362 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 363 sc->sc_intr_number = ed->bEndpointAddress; 364 sc->sc_isize = UGETW(ed->wMaxPacketSize); 365 366 } 367 } 368 369 if (sc->sc_intr_number == -1) { 370 printf("%s: could not find interrupt in\n", 371 sc->sc_dev.dv_xname); 372 usbd_deactivate(sc->sc_udev); 373 return; 374 } 375 376 /* Keep interface for interrupt. */ 377 sc->sc_intr_iface = sc->sc_iface; 378 379 /* Find the bulk{in,out} endpoints. */ 380 id = usbd_get_interface_descriptor(sc->sc_iface); 381 382 for (i = 0; i < id->bNumEndpoints; i++) { 383 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 384 if (ed == NULL) { 385 printf("%s: no endpoint descriptor for %d\n", 386 sc->sc_dev.dv_xname, i); 387 usbd_deactivate(sc->sc_udev); 388 return; 389 } 390 391 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 392 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 393 uca.bulkin = ed->bEndpointAddress; 394 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 395 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 396 uca.bulkout = ed->bEndpointAddress; 397 } 398 } 399 400 if (uca.bulkin == -1) { 401 printf("%s: could not find data bulk in\n", 402 sc->sc_dev.dv_xname); 403 usbd_deactivate(sc->sc_udev); 404 return; 405 } 406 407 if (uca.bulkout == -1) { 408 printf("%s: could not find data bulk out\n", 409 sc->sc_dev.dv_xname); 410 usbd_deactivate(sc->sc_udev); 411 return; 412 } 413 414 sc->sc_dtr = sc->sc_rts = -1; 415 416 uca.portno = UCOM_UNK_PORTNO; 417 uca.ibufsize = UTICOM_IBUFSZ; 418 uca.obufsize = UTICOM_OBUFSZ; 419 uca.ibufsizepad = UTICOM_IBUFSZ; 420 uca.device = sc->sc_udev; 421 uca.iface = sc->sc_iface; 422 uca.opkthdrlen = 0; 423 uca.methods = &uticom_methods; 424 uca.arg = sc; 425 uca.info = NULL; 426 427 err = uticom_reset(sc); 428 if (err) { 429 printf("%s: reset failed: %s\n", 430 sc->sc_dev.dv_xname, usbd_errstr(err)); 431 usbd_deactivate(sc->sc_udev); 432 return; 433 } 434 435 DPRINTF(("%s: uticom_attach: in = 0x%x, out = 0x%x, intr = 0x%x\n", 436 sc->sc_dev.dv_xname, uca.bulkin, 437 uca.bulkout, sc->sc_intr_number)); 438 439 sc->sc_subdev = config_found_sm((struct device *)sc, &uca, ucomprint, ucomsubmatch); 440 } 441 442 int 443 uticom_detach(struct device *self, int flags) 444 { 445 struct uticom_softc *sc = (struct uticom_softc *)self; 446 447 DPRINTF(("%s: uticom_detach: sc = %p\n", 448 sc->sc_dev.dv_xname, sc)); 449 450 if (sc->sc_subdev != NULL) { 451 config_detach(sc->sc_subdev, flags); 452 sc->sc_subdev = NULL; 453 } 454 455 if (sc->sc_intr_pipe != NULL) { 456 usbd_abort_pipe(sc->sc_intr_pipe); 457 usbd_close_pipe(sc->sc_intr_pipe); 458 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 459 sc->sc_intr_pipe = NULL; 460 } 461 462 return (0); 463 } 464 465 static usbd_status 466 uticom_reset(struct uticom_softc *sc) 467 { 468 usb_device_request_t req; 469 usbd_status err; 470 471 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 472 req.bRequest = UTICOM_RQ_SON; 473 USETW(req.wValue, 0); 474 USETW(req.wIndex, 0); 475 USETW(req.wLength, 0); 476 477 err = usbd_do_request(sc->sc_udev, &req, NULL); 478 if (err){ 479 printf("%s: uticom_reset: %s\n", 480 sc->sc_dev.dv_xname, usbd_errstr(err)); 481 return (EIO); 482 } 483 484 DPRINTF(("%s: uticom_reset: done\n", sc->sc_dev.dv_xname)); 485 return (0); 486 } 487 488 static void 489 uticom_set(void *addr, int portno, int reg, int onoff) 490 { 491 struct uticom_softc *sc = addr; 492 493 switch (reg) { 494 case UCOM_SET_DTR: 495 uticom_dtr(sc, onoff); 496 break; 497 case UCOM_SET_RTS: 498 uticom_rts(sc, onoff); 499 break; 500 case UCOM_SET_BREAK: 501 uticom_break(sc, onoff); 502 break; 503 default: 504 break; 505 } 506 } 507 508 static void 509 uticom_dtr(struct uticom_softc *sc, int onoff) 510 { 511 usb_device_request_t req; 512 usbd_status err; 513 514 DPRINTF(("%s: uticom_dtr: onoff = %d\n", sc->sc_dev.dv_xname, 515 onoff)); 516 517 if (sc->sc_dtr == onoff) 518 return; 519 sc->sc_dtr = onoff; 520 521 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 522 req.bRequest = UTICOM_RQ_DTR; 523 USETW(req.wValue, sc->sc_dtr ? UCDC_LINE_DTR : 0); 524 USETW(req.wIndex, 0); 525 USETW(req.wLength, 0); 526 527 err = usbd_do_request(sc->sc_udev, &req, NULL); 528 if (err) 529 printf("%s: uticom_dtr: %s\n", 530 sc->sc_dev.dv_xname, usbd_errstr(err)); 531 } 532 533 static void 534 uticom_rts(struct uticom_softc *sc, int onoff) 535 { 536 usb_device_request_t req; 537 usbd_status err; 538 539 DPRINTF(("%s: uticom_rts: onoff = %d\n", sc->sc_dev.dv_xname, 540 onoff)); 541 542 if (sc->sc_rts == onoff) 543 return; 544 sc->sc_rts = onoff; 545 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 546 req.bRequest = UTICOM_RQ_RTS; 547 USETW(req.wValue, sc->sc_rts ? UCDC_LINE_RTS : 0); 548 USETW(req.wIndex, 0); 549 USETW(req.wLength, 0); 550 551 err = usbd_do_request(sc->sc_udev, &req, NULL); 552 if (err) 553 printf("%s: uticom_rts: %s\n", 554 sc->sc_dev.dv_xname, usbd_errstr(err)); 555 } 556 557 static void 558 uticom_break(struct uticom_softc *sc, int onoff) 559 { 560 usb_device_request_t req; 561 usbd_status err; 562 563 DPRINTF(("%s: uticom_break: onoff = %d\n", sc->sc_dev.dv_xname, 564 onoff)); 565 566 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 567 req.bRequest = UTICOM_RQ_BREAK; 568 USETW(req.wValue, onoff ? 1 : 0); 569 USETW(req.wIndex, 0); 570 USETW(req.wLength, 0); 571 572 err = usbd_do_request(sc->sc_udev, &req, NULL); 573 if (err) 574 printf("%s: uticom_break: %s\n", 575 sc->sc_dev.dv_xname, usbd_errstr(err)); 576 } 577 578 static usbd_status 579 uticom_set_crtscts(struct uticom_softc *sc) 580 { 581 usb_device_request_t req; 582 usbd_status err; 583 584 DPRINTF(("%s: uticom_set_crtscts: on\n", sc->sc_dev.dv_xname)); 585 586 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 587 req.bRequest = UTICOM_RQ_CRTSCTS; 588 USETW(req.wValue, 1); 589 USETW(req.wIndex, 0); 590 USETW(req.wLength, 0); 591 592 err = usbd_do_request(sc->sc_udev, &req, NULL); 593 if (err) { 594 printf("%s: uticom_set_crtscts: %s\n", 595 sc->sc_dev.dv_xname, usbd_errstr(err)); 596 return (err); 597 } 598 599 return (USBD_NORMAL_COMPLETION); 600 } 601 602 static int 603 uticom_param(void *vsc, int portno, struct termios *t) 604 { 605 struct uticom_softc *sc = (struct uticom_softc *)vsc; 606 usb_device_request_t req; 607 usbd_status err; 608 uint8_t data; 609 610 DPRINTF(("%s: uticom_param\n", sc->sc_dev.dv_xname)); 611 612 switch (t->c_ospeed) { 613 case 1200: 614 case 2400: 615 case 4800: 616 case 7200: 617 case 9600: 618 case 14400: 619 case 19200: 620 case 38400: 621 case 57600: 622 case 115200: 623 case 230400: 624 case 460800: 625 case 921600: 626 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 627 req.bRequest = UTICOM_RQ_BAUD; 628 USETW(req.wValue, (UTICOM_BRATE_REF / t->c_ospeed)); 629 USETW(req.wIndex, 0); 630 USETW(req.wLength, 0); 631 632 err = usbd_do_request(sc->sc_udev, &req, 0); 633 if (err) { 634 printf("%s: uticom_param: %s\n", 635 sc->sc_dev.dv_xname, usbd_errstr(err)); 636 return (EIO); 637 } 638 break; 639 default: 640 printf("%s: uticom_param: unsupported baud rate %d\n", 641 sc->sc_dev.dv_xname, t->c_ospeed); 642 return (EINVAL); 643 } 644 645 switch (ISSET(t->c_cflag, CSIZE)) { 646 case CS5: 647 data = UTICOM_SET_DATA_BITS(5); 648 break; 649 case CS6: 650 data = UTICOM_SET_DATA_BITS(6); 651 break; 652 case CS7: 653 data = UTICOM_SET_DATA_BITS(7); 654 break; 655 case CS8: 656 data = UTICOM_SET_DATA_BITS(8); 657 break; 658 default: 659 return (EIO); 660 } 661 662 if (ISSET(t->c_cflag, CSTOPB)) 663 data |= UTICOM_STOP_BITS_2; 664 else 665 data |= UTICOM_STOP_BITS_1; 666 667 if (ISSET(t->c_cflag, PARENB)) { 668 if (ISSET(t->c_cflag, PARODD)) 669 data |= UTICOM_PARITY_ODD; 670 else 671 data |= UTICOM_PARITY_EVEN; 672 } else 673 data |= UTICOM_PARITY_NONE; 674 675 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 676 req.bRequest = UTICOM_RQ_LCR; 677 USETW(req.wIndex, 0); 678 USETW(req.wLength, 0); 679 USETW(req.wValue, data); 680 681 err = usbd_do_request(sc->sc_udev, &req, NULL); 682 if (err) { 683 printf("%s: uticom_param: %s\n", 684 sc->sc_dev.dv_xname, usbd_errstr(err)); 685 return (err); 686 } 687 688 if (ISSET(t->c_cflag, CRTSCTS)) { 689 err = uticom_set_crtscts(sc); 690 if (err) 691 return (EIO); 692 } 693 694 return (0); 695 } 696 697 static int 698 uticom_open(void *addr, int portno) 699 { 700 struct uticom_softc *sc = addr; 701 usbd_status err; 702 703 if (usbd_is_dying(sc->sc_udev)) 704 return (ENXIO); 705 706 DPRINTF(("%s: uticom_open\n", sc->sc_dev.dv_xname)); 707 708 sc->sc_status = 0; /* clear status bit */ 709 710 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 711 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 712 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 713 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf, 714 sc->sc_isize, uticom_intr, UTICOM_INTR_INTERVAL); 715 if (err) { 716 printf("%s: cannot open interrupt pipe (addr %d)\n", 717 sc->sc_dev.dv_xname, sc->sc_intr_number); 718 return (EIO); 719 } 720 } 721 722 DPRINTF(("%s: uticom_open: port opened\n", sc->sc_dev.dv_xname)); 723 return (0); 724 } 725 726 static void 727 uticom_close(void *addr, int portno) 728 { 729 struct uticom_softc *sc = addr; 730 usb_device_request_t req; 731 usbd_status err; 732 733 if (usbd_is_dying(sc->sc_udev)) 734 return; 735 736 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 737 req.bRequest = UTICOM_RQ_SON; 738 USETW(req.wValue, 0); 739 USETW(req.wIndex, 0); 740 USETW(req.wLength, 0); 741 742 /* Try to reset UART part of chip. */ 743 err = usbd_do_request(sc->sc_udev, &req, NULL); 744 if (err) { 745 printf("%s: uticom_close: %s\n", 746 sc->sc_dev.dv_xname, usbd_errstr(err)); 747 return; 748 } 749 750 DPRINTF(("%s: uticom_close: close\n", sc->sc_dev.dv_xname)); 751 752 if (sc->sc_intr_pipe != NULL) { 753 usbd_abort_pipe(sc->sc_intr_pipe); 754 err = usbd_close_pipe(sc->sc_intr_pipe); 755 if (err) 756 printf("%s: close interrupt pipe failed: %s\n", 757 sc->sc_dev.dv_xname, usbd_errstr(err)); 758 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 759 sc->sc_intr_pipe = NULL; 760 } 761 } 762 763 static void 764 uticom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 765 { 766 struct uticom_softc *sc = priv; 767 u_char *buf = sc->sc_intr_buf; 768 769 if (usbd_is_dying(sc->sc_udev)) 770 return; 771 772 if (status != USBD_NORMAL_COMPLETION) { 773 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 774 DPRINTF(("%s: uticom_intr: int status: %s\n", 775 sc->sc_dev.dv_xname, usbd_errstr(status))); 776 return; 777 } 778 779 DPRINTF(("%s: uticom_intr: abnormal status: %s\n", 780 sc->sc_dev.dv_xname, usbd_errstr(status))); 781 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 782 return; 783 } 784 785 if (!xfer->actlen) 786 return; 787 788 DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname, 789 xfer->actlen)); 790 791 sc->sc_lsr = sc->sc_msr = 0; 792 793 if (buf[0] == 0) { 794 /* msr registers */ 795 if (buf[1] & UTICOM_MCR_CTS) 796 sc->sc_msr |= UMSR_CTS; 797 if (buf[1] & UTICOM_MCR_DSR) 798 sc->sc_msr |= UMSR_DSR; 799 if (buf[1] & UTICOM_MCR_CD) 800 sc->sc_msr |= UMSR_DCD; 801 if (buf[1] & UTICOM_MCR_RI) 802 sc->sc_msr |= UMSR_RI; 803 } else { 804 /* lsr registers */ 805 if (buf[0] & UTICOM_LCR_OVR) 806 sc->sc_lsr |= ULSR_OE; 807 if (buf[0] & UTICOM_LCR_PTE) 808 sc->sc_lsr |= ULSR_PE; 809 if (buf[0] & UTICOM_LCR_FRE) 810 sc->sc_lsr |= ULSR_FE; 811 if (buf[0] & UTICOM_LCR_BRK) 812 sc->sc_lsr |= ULSR_BI; 813 } 814 815 // if (uticomstickdsr) 816 // sc->sc_msr |= UMSR_DSR; 817 818 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 819 } 820 821 static void 822 uticom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 823 { 824 #if 0 /* TODO */ 825 struct uticom_softc *sc = addr; 826 827 DPRINTF(("uticom_get_status:\n")); 828 829 if (lsr != NULL) 830 *lsr = sc->sc_lsr; 831 if (msr != NULL) 832 *msr = sc->sc_msr; 833 #endif 834 return; 835 } 836 837 static int 838 uticom_download_fw(struct uticom_softc *sc, int pipeno, 839 struct usbd_device *dev) 840 { 841 u_char *obuf, *firmware; 842 size_t firmware_size; 843 int buffer_size, pos; 844 uint8_t cs = 0, *buffer; 845 usbd_status err; 846 struct uticom_fw_header *header; 847 struct usbd_xfer *oxfer = 0; 848 usbd_status error = 0; 849 struct usbd_pipe *pipe; 850 851 error = loadfirmware("tusb3410", &firmware, &firmware_size); 852 if (error) 853 return (error); 854 855 buffer_size = UTICOM_FW_BUFSZ + sizeof(struct uticom_fw_header); 856 buffer = malloc(buffer_size, M_USBDEV, M_WAITOK | M_CANFAIL); 857 858 if (!buffer) { 859 printf("%s: uticom_download_fw: out of memory\n", 860 sc->sc_dev.dv_xname); 861 free(firmware, M_DEVBUF, firmware_size); 862 return ENOMEM; 863 } 864 865 memcpy(buffer, firmware, firmware_size); 866 memset(buffer + firmware_size, 0xff, buffer_size - firmware_size); 867 868 for (pos = sizeof(struct uticom_fw_header); pos < buffer_size; pos++) 869 cs = (uint8_t)(cs + buffer[pos]); 870 871 header = (struct uticom_fw_header*)buffer; 872 header->length = (uint16_t)(buffer_size - 873 sizeof(struct uticom_fw_header)); 874 header->checkSum = cs; 875 876 DPRINTF(("%s: downloading firmware ...\n", 877 sc->sc_dev.dv_xname)); 878 879 err = usbd_open_pipe(sc->sc_iface, pipeno, USBD_EXCLUSIVE_USE, 880 &pipe); 881 if (err) { 882 printf("%s: open bulk out error (addr %d): %s\n", 883 sc->sc_dev.dv_xname, pipeno, usbd_errstr(err)); 884 error = EIO; 885 goto finish; 886 } 887 888 oxfer = usbd_alloc_xfer(dev); 889 if (oxfer == NULL) { 890 error = ENOMEM; 891 goto finish; 892 } 893 894 obuf = usbd_alloc_buffer(oxfer, buffer_size); 895 if (obuf == NULL) { 896 error = ENOMEM; 897 goto finish; 898 } 899 900 memcpy(obuf, buffer, buffer_size); 901 902 usbd_setup_xfer(oxfer, pipe, (void *)sc, obuf, buffer_size, 903 USBD_NO_COPY | USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, 0); 904 err = usbd_transfer(oxfer); 905 906 if (err != USBD_NORMAL_COMPLETION) 907 printf("%s: uticom_download_fw: error: %s\n", 908 sc->sc_dev.dv_xname, usbd_errstr(err)); 909 910 finish: 911 free(firmware, M_DEVBUF, firmware_size); 912 usbd_free_buffer(oxfer); 913 usbd_free_xfer(oxfer); 914 oxfer = NULL; 915 usbd_abort_pipe(pipe); 916 usbd_close_pipe(pipe); 917 free(buffer, M_USBDEV, buffer_size); 918 return err; 919 } 920