1 /* $OpenBSD: uticom.c,v 1.35 2022/04/09 20:07:44 naddy 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 const 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_close_pipe(sc->sc_intr_pipe); 457 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 458 sc->sc_intr_pipe = NULL; 459 } 460 461 return (0); 462 } 463 464 static usbd_status 465 uticom_reset(struct uticom_softc *sc) 466 { 467 usb_device_request_t req; 468 usbd_status err; 469 470 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 471 req.bRequest = UTICOM_RQ_SON; 472 USETW(req.wValue, 0); 473 USETW(req.wIndex, 0); 474 USETW(req.wLength, 0); 475 476 err = usbd_do_request(sc->sc_udev, &req, NULL); 477 if (err){ 478 printf("%s: uticom_reset: %s\n", 479 sc->sc_dev.dv_xname, usbd_errstr(err)); 480 return (EIO); 481 } 482 483 DPRINTF(("%s: uticom_reset: done\n", sc->sc_dev.dv_xname)); 484 return (0); 485 } 486 487 static void 488 uticom_set(void *addr, int portno, int reg, int onoff) 489 { 490 struct uticom_softc *sc = addr; 491 492 switch (reg) { 493 case UCOM_SET_DTR: 494 uticom_dtr(sc, onoff); 495 break; 496 case UCOM_SET_RTS: 497 uticom_rts(sc, onoff); 498 break; 499 case UCOM_SET_BREAK: 500 uticom_break(sc, onoff); 501 break; 502 default: 503 break; 504 } 505 } 506 507 static void 508 uticom_dtr(struct uticom_softc *sc, int onoff) 509 { 510 usb_device_request_t req; 511 usbd_status err; 512 513 DPRINTF(("%s: uticom_dtr: onoff = %d\n", sc->sc_dev.dv_xname, 514 onoff)); 515 516 if (sc->sc_dtr == onoff) 517 return; 518 sc->sc_dtr = onoff; 519 520 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 521 req.bRequest = UTICOM_RQ_DTR; 522 USETW(req.wValue, sc->sc_dtr ? UCDC_LINE_DTR : 0); 523 USETW(req.wIndex, 0); 524 USETW(req.wLength, 0); 525 526 err = usbd_do_request(sc->sc_udev, &req, NULL); 527 if (err) 528 printf("%s: uticom_dtr: %s\n", 529 sc->sc_dev.dv_xname, usbd_errstr(err)); 530 } 531 532 static void 533 uticom_rts(struct uticom_softc *sc, int onoff) 534 { 535 usb_device_request_t req; 536 usbd_status err; 537 538 DPRINTF(("%s: uticom_rts: onoff = %d\n", sc->sc_dev.dv_xname, 539 onoff)); 540 541 if (sc->sc_rts == onoff) 542 return; 543 sc->sc_rts = onoff; 544 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 545 req.bRequest = UTICOM_RQ_RTS; 546 USETW(req.wValue, sc->sc_rts ? UCDC_LINE_RTS : 0); 547 USETW(req.wIndex, 0); 548 USETW(req.wLength, 0); 549 550 err = usbd_do_request(sc->sc_udev, &req, NULL); 551 if (err) 552 printf("%s: uticom_rts: %s\n", 553 sc->sc_dev.dv_xname, usbd_errstr(err)); 554 } 555 556 static void 557 uticom_break(struct uticom_softc *sc, int onoff) 558 { 559 usb_device_request_t req; 560 usbd_status err; 561 562 DPRINTF(("%s: uticom_break: onoff = %d\n", sc->sc_dev.dv_xname, 563 onoff)); 564 565 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 566 req.bRequest = UTICOM_RQ_BREAK; 567 USETW(req.wValue, onoff ? 1 : 0); 568 USETW(req.wIndex, 0); 569 USETW(req.wLength, 0); 570 571 err = usbd_do_request(sc->sc_udev, &req, NULL); 572 if (err) 573 printf("%s: uticom_break: %s\n", 574 sc->sc_dev.dv_xname, usbd_errstr(err)); 575 } 576 577 static usbd_status 578 uticom_set_crtscts(struct uticom_softc *sc) 579 { 580 usb_device_request_t req; 581 usbd_status err; 582 583 DPRINTF(("%s: uticom_set_crtscts: on\n", sc->sc_dev.dv_xname)); 584 585 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 586 req.bRequest = UTICOM_RQ_CRTSCTS; 587 USETW(req.wValue, 1); 588 USETW(req.wIndex, 0); 589 USETW(req.wLength, 0); 590 591 err = usbd_do_request(sc->sc_udev, &req, NULL); 592 if (err) { 593 printf("%s: uticom_set_crtscts: %s\n", 594 sc->sc_dev.dv_xname, usbd_errstr(err)); 595 return (err); 596 } 597 598 return (USBD_NORMAL_COMPLETION); 599 } 600 601 static int 602 uticom_param(void *vsc, int portno, struct termios *t) 603 { 604 struct uticom_softc *sc = (struct uticom_softc *)vsc; 605 usb_device_request_t req; 606 usbd_status err; 607 uint8_t data; 608 609 DPRINTF(("%s: uticom_param\n", sc->sc_dev.dv_xname)); 610 611 switch (t->c_ospeed) { 612 case 1200: 613 case 2400: 614 case 4800: 615 case 7200: 616 case 9600: 617 case 14400: 618 case 19200: 619 case 38400: 620 case 57600: 621 case 115200: 622 case 230400: 623 case 460800: 624 case 921600: 625 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 626 req.bRequest = UTICOM_RQ_BAUD; 627 USETW(req.wValue, (UTICOM_BRATE_REF / t->c_ospeed)); 628 USETW(req.wIndex, 0); 629 USETW(req.wLength, 0); 630 631 err = usbd_do_request(sc->sc_udev, &req, 0); 632 if (err) { 633 printf("%s: uticom_param: %s\n", 634 sc->sc_dev.dv_xname, usbd_errstr(err)); 635 return (EIO); 636 } 637 break; 638 default: 639 printf("%s: uticom_param: unsupported baud rate %d\n", 640 sc->sc_dev.dv_xname, t->c_ospeed); 641 return (EINVAL); 642 } 643 644 switch (ISSET(t->c_cflag, CSIZE)) { 645 case CS5: 646 data = UTICOM_SET_DATA_BITS(5); 647 break; 648 case CS6: 649 data = UTICOM_SET_DATA_BITS(6); 650 break; 651 case CS7: 652 data = UTICOM_SET_DATA_BITS(7); 653 break; 654 case CS8: 655 data = UTICOM_SET_DATA_BITS(8); 656 break; 657 default: 658 return (EIO); 659 } 660 661 if (ISSET(t->c_cflag, CSTOPB)) 662 data |= UTICOM_STOP_BITS_2; 663 else 664 data |= UTICOM_STOP_BITS_1; 665 666 if (ISSET(t->c_cflag, PARENB)) { 667 if (ISSET(t->c_cflag, PARODD)) 668 data |= UTICOM_PARITY_ODD; 669 else 670 data |= UTICOM_PARITY_EVEN; 671 } else 672 data |= UTICOM_PARITY_NONE; 673 674 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 675 req.bRequest = UTICOM_RQ_LCR; 676 USETW(req.wIndex, 0); 677 USETW(req.wLength, 0); 678 USETW(req.wValue, data); 679 680 err = usbd_do_request(sc->sc_udev, &req, NULL); 681 if (err) { 682 printf("%s: uticom_param: %s\n", 683 sc->sc_dev.dv_xname, usbd_errstr(err)); 684 return (err); 685 } 686 687 if (ISSET(t->c_cflag, CRTSCTS)) { 688 err = uticom_set_crtscts(sc); 689 if (err) 690 return (EIO); 691 } 692 693 return (0); 694 } 695 696 static int 697 uticom_open(void *addr, int portno) 698 { 699 struct uticom_softc *sc = addr; 700 usbd_status err; 701 702 if (usbd_is_dying(sc->sc_udev)) 703 return (ENXIO); 704 705 DPRINTF(("%s: uticom_open\n", sc->sc_dev.dv_xname)); 706 707 sc->sc_status = 0; /* clear status bit */ 708 709 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 710 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 711 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 712 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf, 713 sc->sc_isize, uticom_intr, UTICOM_INTR_INTERVAL); 714 if (err) { 715 printf("%s: cannot open interrupt pipe (addr %d)\n", 716 sc->sc_dev.dv_xname, sc->sc_intr_number); 717 return (EIO); 718 } 719 } 720 721 DPRINTF(("%s: uticom_open: port opened\n", sc->sc_dev.dv_xname)); 722 return (0); 723 } 724 725 static void 726 uticom_close(void *addr, int portno) 727 { 728 struct uticom_softc *sc = addr; 729 usb_device_request_t req; 730 usbd_status err; 731 732 if (usbd_is_dying(sc->sc_udev)) 733 return; 734 735 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 736 req.bRequest = UTICOM_RQ_SON; 737 USETW(req.wValue, 0); 738 USETW(req.wIndex, 0); 739 USETW(req.wLength, 0); 740 741 /* Try to reset UART part of chip. */ 742 err = usbd_do_request(sc->sc_udev, &req, NULL); 743 if (err) { 744 printf("%s: uticom_close: %s\n", 745 sc->sc_dev.dv_xname, usbd_errstr(err)); 746 return; 747 } 748 749 DPRINTF(("%s: uticom_close: close\n", sc->sc_dev.dv_xname)); 750 751 if (sc->sc_intr_pipe != NULL) { 752 err = usbd_close_pipe(sc->sc_intr_pipe); 753 if (err) 754 printf("%s: close interrupt pipe failed: %s\n", 755 sc->sc_dev.dv_xname, usbd_errstr(err)); 756 free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize); 757 sc->sc_intr_pipe = NULL; 758 } 759 } 760 761 static void 762 uticom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 763 { 764 struct uticom_softc *sc = priv; 765 u_char *buf = sc->sc_intr_buf; 766 767 if (usbd_is_dying(sc->sc_udev)) 768 return; 769 770 if (status != USBD_NORMAL_COMPLETION) { 771 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 772 DPRINTF(("%s: uticom_intr: int status: %s\n", 773 sc->sc_dev.dv_xname, usbd_errstr(status))); 774 return; 775 } 776 777 DPRINTF(("%s: uticom_intr: abnormal status: %s\n", 778 sc->sc_dev.dv_xname, usbd_errstr(status))); 779 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 780 return; 781 } 782 783 if (!xfer->actlen) 784 return; 785 786 DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname, 787 xfer->actlen)); 788 789 sc->sc_lsr = sc->sc_msr = 0; 790 791 if (buf[0] == 0) { 792 /* msr registers */ 793 if (buf[1] & UTICOM_MCR_CTS) 794 sc->sc_msr |= UMSR_CTS; 795 if (buf[1] & UTICOM_MCR_DSR) 796 sc->sc_msr |= UMSR_DSR; 797 if (buf[1] & UTICOM_MCR_CD) 798 sc->sc_msr |= UMSR_DCD; 799 if (buf[1] & UTICOM_MCR_RI) 800 sc->sc_msr |= UMSR_RI; 801 } else { 802 /* lsr registers */ 803 if (buf[0] & UTICOM_LCR_OVR) 804 sc->sc_lsr |= ULSR_OE; 805 if (buf[0] & UTICOM_LCR_PTE) 806 sc->sc_lsr |= ULSR_PE; 807 if (buf[0] & UTICOM_LCR_FRE) 808 sc->sc_lsr |= ULSR_FE; 809 if (buf[0] & UTICOM_LCR_BRK) 810 sc->sc_lsr |= ULSR_BI; 811 } 812 813 // if (uticomstickdsr) 814 // sc->sc_msr |= UMSR_DSR; 815 816 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 817 } 818 819 static void 820 uticom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 821 { 822 #if 0 /* TODO */ 823 struct uticom_softc *sc = addr; 824 825 DPRINTF(("uticom_get_status:\n")); 826 827 if (lsr != NULL) 828 *lsr = sc->sc_lsr; 829 if (msr != NULL) 830 *msr = sc->sc_msr; 831 #endif 832 return; 833 } 834 835 static int 836 uticom_download_fw(struct uticom_softc *sc, int pipeno, 837 struct usbd_device *dev) 838 { 839 u_char *obuf, *firmware; 840 size_t firmware_size; 841 int buffer_size, pos; 842 uint8_t cs = 0, *buffer; 843 usbd_status err; 844 struct uticom_fw_header *header; 845 struct usbd_xfer *oxfer = 0; 846 usbd_status error = 0; 847 struct usbd_pipe *pipe; 848 849 error = loadfirmware("tusb3410", &firmware, &firmware_size); 850 if (error) 851 return (error); 852 853 buffer_size = UTICOM_FW_BUFSZ + sizeof(struct uticom_fw_header); 854 buffer = malloc(buffer_size, M_USBDEV, M_WAITOK | M_CANFAIL); 855 856 if (!buffer) { 857 printf("%s: uticom_download_fw: out of memory\n", 858 sc->sc_dev.dv_xname); 859 free(firmware, M_DEVBUF, firmware_size); 860 return ENOMEM; 861 } 862 863 memcpy(buffer, firmware, firmware_size); 864 memset(buffer + firmware_size, 0xff, buffer_size - firmware_size); 865 866 for (pos = sizeof(struct uticom_fw_header); pos < buffer_size; pos++) 867 cs = (uint8_t)(cs + buffer[pos]); 868 869 header = (struct uticom_fw_header*)buffer; 870 header->length = (uint16_t)(buffer_size - 871 sizeof(struct uticom_fw_header)); 872 header->checkSum = cs; 873 874 DPRINTF(("%s: downloading firmware ...\n", 875 sc->sc_dev.dv_xname)); 876 877 err = usbd_open_pipe(sc->sc_iface, pipeno, USBD_EXCLUSIVE_USE, 878 &pipe); 879 if (err) { 880 printf("%s: open bulk out error (addr %d): %s\n", 881 sc->sc_dev.dv_xname, pipeno, usbd_errstr(err)); 882 error = EIO; 883 goto finish; 884 } 885 886 oxfer = usbd_alloc_xfer(dev); 887 if (oxfer == NULL) { 888 error = ENOMEM; 889 goto finish; 890 } 891 892 obuf = usbd_alloc_buffer(oxfer, buffer_size); 893 if (obuf == NULL) { 894 error = ENOMEM; 895 goto finish; 896 } 897 898 memcpy(obuf, buffer, buffer_size); 899 900 usbd_setup_xfer(oxfer, pipe, (void *)sc, obuf, buffer_size, 901 USBD_NO_COPY | USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, 0); 902 err = usbd_transfer(oxfer); 903 904 if (err != USBD_NORMAL_COMPLETION) 905 printf("%s: uticom_download_fw: error: %s\n", 906 sc->sc_dev.dv_xname, usbd_errstr(err)); 907 908 finish: 909 free(firmware, M_DEVBUF, firmware_size); 910 usbd_free_buffer(oxfer); 911 usbd_free_xfer(oxfer); 912 oxfer = NULL; 913 usbd_close_pipe(pipe); 914 free(buffer, M_USBDEV, buffer_size); 915 return err; 916 } 917