1 /* $OpenBSD: uticom.c,v 1.30 2016/05/24 05:35:01 mpi 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 int sc_iface_number; /* interface number */ 124 125 struct usbd_interface *sc_intr_iface; /* interrupt interface */ 126 int sc_intr_number; /* interrupt number */ 127 struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */ 128 u_char *sc_intr_buf; /* interrupt buffer */ 129 int sc_isize; 130 131 u_char sc_dtr; /* current DTR state */ 132 u_char sc_rts; /* current RTS state */ 133 u_char sc_status; 134 135 u_char sc_lsr; /* Local status register */ 136 u_char sc_msr; /* uticom status register */ 137 138 struct device *sc_subdev; 139 }; 140 141 static usbd_status uticom_reset(struct uticom_softc *); 142 static usbd_status uticom_set_crtscts(struct uticom_softc *); 143 static void uticom_intr(struct usbd_xfer *, void *, usbd_status); 144 145 static void uticom_set(void *, int, int, int); 146 static void uticom_dtr(struct uticom_softc *, int); 147 static void uticom_rts(struct uticom_softc *, int); 148 static void uticom_break(struct uticom_softc *, int); 149 static void uticom_get_status(void *, int, u_char *, u_char *); 150 static int uticom_param(void *, int, struct termios *); 151 static int uticom_open(void *, int); 152 static void uticom_close(void *, int); 153 154 void uticom_attach_hook(struct device *); 155 156 static int uticom_download_fw(struct uticom_softc *sc, int pipeno, 157 struct usbd_device *dev); 158 159 struct ucom_methods uticom_methods = { 160 uticom_get_status, 161 uticom_set, 162 uticom_param, 163 NULL, 164 uticom_open, 165 uticom_close, 166 NULL, 167 NULL 168 }; 169 170 int uticom_match(struct device *, void *, void *); 171 void uticom_attach(struct device *, struct device *, void *); 172 int uticom_detach(struct device *, int); 173 174 struct cfdriver uticom_cd = { 175 NULL, "uticom", DV_DULL 176 }; 177 178 const struct cfattach uticom_ca = { 179 sizeof(struct uticom_softc), uticom_match, uticom_attach, uticom_detach 180 }; 181 182 static const struct usb_devno uticom_devs[] = { 183 { USB_VENDOR_TI, USB_PRODUCT_TI_TUSB3410 }, 184 { USB_VENDOR_TI, USB_PRODUCT_TI_MSP430_JTAG }, 185 { USB_VENDOR_STARTECH, USB_PRODUCT_STARTECH_ICUSB232X }, 186 { USB_VENDOR_MOXA, USB_PRODUCT_MOXA_UPORT1110 }, 187 { USB_VENDOR_ABBOTT, USB_PRODUCT_ABBOTT_STEREO_PLUG } 188 }; 189 190 int 191 uticom_match(struct device *parent, void *match, void *aux) 192 { 193 struct usb_attach_arg *uaa = aux; 194 195 if (uaa->iface != NULL) 196 return (UMATCH_NONE); 197 198 return (usb_lookup(uticom_devs, uaa->vendor, uaa->product) != NULL ? 199 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 200 } 201 202 void 203 uticom_attach(struct device *parent, struct device *self, void *aux) 204 { 205 struct uticom_softc *sc = (struct uticom_softc *)self; 206 struct usb_attach_arg *uaa = aux; 207 struct usbd_device *dev = uaa->device; 208 209 sc->sc_udev = dev; 210 sc->sc_iface = uaa->iface; 211 212 config_mountroot(self, uticom_attach_hook); 213 } 214 215 void 216 uticom_attach_hook(struct device *self) 217 { 218 struct uticom_softc *sc = (struct uticom_softc *)self; 219 usb_config_descriptor_t *cdesc; 220 usb_interface_descriptor_t *id; 221 usb_endpoint_descriptor_t *ed; 222 usbd_status err; 223 int status, i; 224 usb_device_descriptor_t *dd; 225 struct ucom_attach_args uca; 226 227 /* Initialize endpoints. */ 228 uca.bulkin = uca.bulkout = -1; 229 sc->sc_intr_number = -1; 230 sc->sc_intr_pipe = NULL; 231 232 dd = usbd_get_device_descriptor(sc->sc_udev); 233 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 234 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 235 236 /* The device without firmware has single configuration with single 237 * bulk out interface. */ 238 if (dd->bNumConfigurations > 1) 239 goto fwload_done; 240 241 /* Loading firmware. */ 242 DPRINTF(("%s: uticom_attach: starting loading firmware\n", 243 sc->sc_dev.dv_xname)); 244 245 err = usbd_set_config_index(sc->sc_udev, UTICOM_CONFIG_INDEX, 1); 246 if (err) { 247 printf("%s: failed to set configuration: %s\n", 248 sc->sc_dev.dv_xname, usbd_errstr(err)); 249 usbd_deactivate(sc->sc_udev); 250 return; 251 } 252 253 /* Get the config descriptor. */ 254 cdesc = usbd_get_config_descriptor(sc->sc_udev); 255 256 if (cdesc == NULL) { 257 printf("%s: failed to get configuration descriptor\n", 258 sc->sc_dev.dv_xname); 259 usbd_deactivate(sc->sc_udev); 260 return; 261 } 262 263 err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, 264 &sc->sc_iface); 265 if (err) { 266 printf("%s: failed to get interface: %s\n", 267 sc->sc_dev.dv_xname, usbd_errstr(err)); 268 usbd_deactivate(sc->sc_udev); 269 return; 270 } 271 272 /* Find the bulk out interface used to upload firmware. */ 273 id = usbd_get_interface_descriptor(sc->sc_iface); 274 sc->sc_iface_number = id->bInterfaceNumber; 275 276 for (i = 0; i < id->bNumEndpoints; i++) { 277 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 278 if (ed == NULL) { 279 printf("%s: no endpoint descriptor for %d\n", 280 sc->sc_dev.dv_xname, i); 281 usbd_deactivate(sc->sc_udev); 282 return; 283 } 284 285 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 286 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 287 uca.bulkout = ed->bEndpointAddress; 288 DPRINTF(("%s: uticom_attach: data bulk out num: %d\n", 289 sc->sc_dev.dv_xname, ed->bEndpointAddress)); 290 } 291 292 if (uca.bulkout == -1) { 293 printf("%s: could not find data bulk out\n", 294 sc->sc_dev.dv_xname); 295 usbd_deactivate(sc->sc_udev); 296 return; 297 } 298 } 299 300 status = uticom_download_fw(sc, uca.bulkout, sc->sc_udev); 301 302 if (status) { 303 printf("%s: firmware download failed\n", 304 sc->sc_dev.dv_xname); 305 usbd_deactivate(sc->sc_udev); 306 return; 307 } else { 308 DPRINTF(("%s: firmware download succeeded\n", 309 sc->sc_dev.dv_xname)); 310 } 311 312 status = usbd_reload_device_desc(sc->sc_udev); 313 if (status) { 314 printf("%s: error reloading device descriptor\n", 315 sc->sc_dev.dv_xname); 316 usbd_deactivate(sc->sc_udev); 317 return; 318 } 319 320 fwload_done: 321 dd = usbd_get_device_descriptor(sc->sc_udev); 322 DPRINTF(("%s: uticom_attach: num of configurations %d\n", 323 sc->sc_dev.dv_xname, dd->bNumConfigurations)); 324 325 err = usbd_set_config_index(sc->sc_udev, UTICOM_ACTIVE_INDEX, 1); 326 if (err) { 327 printf("%s: failed to set configuration: %s\n", 328 sc->sc_dev.dv_xname, usbd_errstr(err)); 329 usbd_deactivate(sc->sc_udev); 330 return; 331 } 332 333 /* Get the config descriptor. */ 334 cdesc = usbd_get_config_descriptor(sc->sc_udev); 335 if (cdesc == NULL) { 336 printf("%s: failed to get configuration descriptor\n", 337 sc->sc_dev.dv_xname); 338 usbd_deactivate(sc->sc_udev); 339 return; 340 } 341 342 /* Get the interface (XXX: multiport chips are not supported yet). */ 343 err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, 344 &sc->sc_iface); 345 if (err) { 346 printf("%s: failed to get interface: %s\n", 347 sc->sc_dev.dv_xname, usbd_errstr(err)); 348 usbd_deactivate(sc->sc_udev); 349 return; 350 } 351 352 /* Find the interrupt endpoints. */ 353 id = usbd_get_interface_descriptor(sc->sc_iface); 354 sc->sc_iface_number = id->bInterfaceNumber; 355 356 for (i = 0; i < id->bNumEndpoints; i++) { 357 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 358 if (ed == NULL) { 359 printf("%s: no endpoint descriptor for %d\n", 360 sc->sc_dev.dv_xname, i); 361 usbd_deactivate(sc->sc_udev); 362 return; 363 } 364 365 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 366 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 367 sc->sc_intr_number = ed->bEndpointAddress; 368 sc->sc_isize = UGETW(ed->wMaxPacketSize); 369 370 } 371 } 372 373 if (sc->sc_intr_number == -1) { 374 printf("%s: could not find interrupt in\n", 375 sc->sc_dev.dv_xname); 376 usbd_deactivate(sc->sc_udev); 377 return; 378 } 379 380 /* Keep interface for interrupt. */ 381 sc->sc_intr_iface = sc->sc_iface; 382 383 /* Find the bulk{in,out} endpoints. */ 384 id = usbd_get_interface_descriptor(sc->sc_iface); 385 sc->sc_iface_number = id->bInterfaceNumber; 386 387 for (i = 0; i < id->bNumEndpoints; i++) { 388 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 389 if (ed == NULL) { 390 printf("%s: no endpoint descriptor for %d\n", 391 sc->sc_dev.dv_xname, i); 392 usbd_deactivate(sc->sc_udev); 393 return; 394 } 395 396 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 397 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 398 uca.bulkin = ed->bEndpointAddress; 399 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 400 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 401 uca.bulkout = ed->bEndpointAddress; 402 } 403 } 404 405 if (uca.bulkin == -1) { 406 printf("%s: could not find data bulk in\n", 407 sc->sc_dev.dv_xname); 408 usbd_deactivate(sc->sc_udev); 409 return; 410 } 411 412 if (uca.bulkout == -1) { 413 printf("%s: could not find data bulk out\n", 414 sc->sc_dev.dv_xname); 415 usbd_deactivate(sc->sc_udev); 416 return; 417 } 418 419 sc->sc_dtr = sc->sc_rts = -1; 420 421 uca.portno = UCOM_UNK_PORTNO; 422 uca.ibufsize = UTICOM_IBUFSZ; 423 uca.obufsize = UTICOM_OBUFSZ; 424 uca.ibufsizepad = UTICOM_IBUFSZ; 425 uca.device = sc->sc_udev; 426 uca.iface = sc->sc_iface; 427 uca.opkthdrlen = 0; 428 uca.methods = &uticom_methods; 429 uca.arg = sc; 430 uca.info = NULL; 431 432 err = uticom_reset(sc); 433 if (err) { 434 printf("%s: reset failed: %s\n", 435 sc->sc_dev.dv_xname, usbd_errstr(err)); 436 usbd_deactivate(sc->sc_udev); 437 return; 438 } 439 440 DPRINTF(("%s: uticom_attach: in = 0x%x, out = 0x%x, intr = 0x%x\n", 441 sc->sc_dev.dv_xname, uca.bulkin, 442 uca.bulkout, sc->sc_intr_number)); 443 444 sc->sc_subdev = config_found_sm((struct device *)sc, &uca, ucomprint, ucomsubmatch); 445 } 446 447 int 448 uticom_detach(struct device *self, int flags) 449 { 450 struct uticom_softc *sc = (struct uticom_softc *)self; 451 452 DPRINTF(("%s: uticom_detach: sc = %p\n", 453 sc->sc_dev.dv_xname, sc)); 454 455 if (sc->sc_subdev != NULL) { 456 config_detach(sc->sc_subdev, flags); 457 sc->sc_subdev = NULL; 458 } 459 460 if (sc->sc_intr_pipe != NULL) { 461 usbd_abort_pipe(sc->sc_intr_pipe); 462 usbd_close_pipe(sc->sc_intr_pipe); 463 free(sc->sc_intr_buf, M_USBDEV, 0); 464 sc->sc_intr_pipe = NULL; 465 } 466 467 return (0); 468 } 469 470 static usbd_status 471 uticom_reset(struct uticom_softc *sc) 472 { 473 usb_device_request_t req; 474 usbd_status err; 475 476 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 477 req.bRequest = UTICOM_RQ_SON; 478 USETW(req.wValue, 0); 479 USETW(req.wIndex, 0); 480 USETW(req.wLength, 0); 481 482 err = usbd_do_request(sc->sc_udev, &req, NULL); 483 if (err){ 484 printf("%s: uticom_reset: %s\n", 485 sc->sc_dev.dv_xname, usbd_errstr(err)); 486 return (EIO); 487 } 488 489 DPRINTF(("%s: uticom_reset: done\n", sc->sc_dev.dv_xname)); 490 return (0); 491 } 492 493 static void 494 uticom_set(void *addr, int portno, int reg, int onoff) 495 { 496 struct uticom_softc *sc = addr; 497 498 switch (reg) { 499 case UCOM_SET_DTR: 500 uticom_dtr(sc, onoff); 501 break; 502 case UCOM_SET_RTS: 503 uticom_rts(sc, onoff); 504 break; 505 case UCOM_SET_BREAK: 506 uticom_break(sc, onoff); 507 break; 508 default: 509 break; 510 } 511 } 512 513 static void 514 uticom_dtr(struct uticom_softc *sc, int onoff) 515 { 516 usb_device_request_t req; 517 usbd_status err; 518 519 DPRINTF(("%s: uticom_dtr: onoff = %d\n", sc->sc_dev.dv_xname, 520 onoff)); 521 522 if (sc->sc_dtr == onoff) 523 return; 524 sc->sc_dtr = onoff; 525 526 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 527 req.bRequest = UTICOM_RQ_DTR; 528 USETW(req.wValue, sc->sc_dtr ? UCDC_LINE_DTR : 0); 529 USETW(req.wIndex, 0); 530 USETW(req.wLength, 0); 531 532 err = usbd_do_request(sc->sc_udev, &req, NULL); 533 if (err) 534 printf("%s: uticom_dtr: %s\n", 535 sc->sc_dev.dv_xname, usbd_errstr(err)); 536 } 537 538 static void 539 uticom_rts(struct uticom_softc *sc, int onoff) 540 { 541 usb_device_request_t req; 542 usbd_status err; 543 544 DPRINTF(("%s: uticom_rts: onoff = %d\n", sc->sc_dev.dv_xname, 545 onoff)); 546 547 if (sc->sc_rts == onoff) 548 return; 549 sc->sc_rts = onoff; 550 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 551 req.bRequest = UTICOM_RQ_RTS; 552 USETW(req.wValue, sc->sc_rts ? UCDC_LINE_RTS : 0); 553 USETW(req.wIndex, 0); 554 USETW(req.wLength, 0); 555 556 err = usbd_do_request(sc->sc_udev, &req, NULL); 557 if (err) 558 printf("%s: uticom_rts: %s\n", 559 sc->sc_dev.dv_xname, usbd_errstr(err)); 560 } 561 562 static void 563 uticom_break(struct uticom_softc *sc, int onoff) 564 { 565 usb_device_request_t req; 566 usbd_status err; 567 568 DPRINTF(("%s: uticom_break: onoff = %d\n", sc->sc_dev.dv_xname, 569 onoff)); 570 571 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 572 req.bRequest = UTICOM_RQ_BREAK; 573 USETW(req.wValue, onoff ? 1 : 0); 574 USETW(req.wIndex, 0); 575 USETW(req.wLength, 0); 576 577 err = usbd_do_request(sc->sc_udev, &req, NULL); 578 if (err) 579 printf("%s: uticom_break: %s\n", 580 sc->sc_dev.dv_xname, usbd_errstr(err)); 581 } 582 583 static usbd_status 584 uticom_set_crtscts(struct uticom_softc *sc) 585 { 586 usb_device_request_t req; 587 usbd_status err; 588 589 DPRINTF(("%s: uticom_set_crtscts: on\n", sc->sc_dev.dv_xname)); 590 591 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 592 req.bRequest = UTICOM_RQ_CRTSCTS; 593 USETW(req.wValue, 1); 594 USETW(req.wIndex, 0); 595 USETW(req.wLength, 0); 596 597 err = usbd_do_request(sc->sc_udev, &req, NULL); 598 if (err) { 599 printf("%s: uticom_set_crtscts: %s\n", 600 sc->sc_dev.dv_xname, usbd_errstr(err)); 601 return (err); 602 } 603 604 return (USBD_NORMAL_COMPLETION); 605 } 606 607 static int 608 uticom_param(void *vsc, int portno, struct termios *t) 609 { 610 struct uticom_softc *sc = (struct uticom_softc *)vsc; 611 usb_device_request_t req; 612 usbd_status err; 613 uint8_t data; 614 615 DPRINTF(("%s: uticom_param\n", sc->sc_dev.dv_xname)); 616 617 switch (t->c_ospeed) { 618 case 1200: 619 case 2400: 620 case 4800: 621 case 7200: 622 case 9600: 623 case 14400: 624 case 19200: 625 case 38400: 626 case 57600: 627 case 115200: 628 case 230400: 629 case 460800: 630 case 921600: 631 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 632 req.bRequest = UTICOM_RQ_BAUD; 633 USETW(req.wValue, (UTICOM_BRATE_REF / t->c_ospeed)); 634 USETW(req.wIndex, 0); 635 USETW(req.wLength, 0); 636 637 err = usbd_do_request(sc->sc_udev, &req, 0); 638 if (err) { 639 printf("%s: uticom_param: %s\n", 640 sc->sc_dev.dv_xname, usbd_errstr(err)); 641 return (EIO); 642 } 643 break; 644 default: 645 printf("%s: uticom_param: unsupported baud rate %d\n", 646 sc->sc_dev.dv_xname, t->c_ospeed); 647 return (EINVAL); 648 } 649 650 switch (ISSET(t->c_cflag, CSIZE)) { 651 case CS5: 652 data = UTICOM_SET_DATA_BITS(5); 653 break; 654 case CS6: 655 data = UTICOM_SET_DATA_BITS(6); 656 break; 657 case CS7: 658 data = UTICOM_SET_DATA_BITS(7); 659 break; 660 case CS8: 661 data = UTICOM_SET_DATA_BITS(8); 662 break; 663 default: 664 return (EIO); 665 } 666 667 if (ISSET(t->c_cflag, CSTOPB)) 668 data |= UTICOM_STOP_BITS_2; 669 else 670 data |= UTICOM_STOP_BITS_1; 671 672 if (ISSET(t->c_cflag, PARENB)) { 673 if (ISSET(t->c_cflag, PARODD)) 674 data |= UTICOM_PARITY_ODD; 675 else 676 data |= UTICOM_PARITY_EVEN; 677 } else 678 data |= UTICOM_PARITY_NONE; 679 680 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 681 req.bRequest = UTICOM_RQ_LCR; 682 USETW(req.wIndex, 0); 683 USETW(req.wLength, 0); 684 USETW(req.wValue, data); 685 686 err = usbd_do_request(sc->sc_udev, &req, NULL); 687 if (err) { 688 printf("%s: uticom_param: %s\n", 689 sc->sc_dev.dv_xname, usbd_errstr(err)); 690 return (err); 691 } 692 693 if (ISSET(t->c_cflag, CRTSCTS)) { 694 err = uticom_set_crtscts(sc); 695 if (err) 696 return (EIO); 697 } 698 699 return (0); 700 } 701 702 static int 703 uticom_open(void *addr, int portno) 704 { 705 struct uticom_softc *sc = addr; 706 usbd_status err; 707 708 if (usbd_is_dying(sc->sc_udev)) 709 return (ENXIO); 710 711 DPRINTF(("%s: uticom_open\n", sc->sc_dev.dv_xname)); 712 713 sc->sc_status = 0; /* clear status bit */ 714 715 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 716 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 717 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, 718 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf, 719 sc->sc_isize, uticom_intr, UTICOM_INTR_INTERVAL); 720 if (err) { 721 printf("%s: cannot open interrupt pipe (addr %d)\n", 722 sc->sc_dev.dv_xname, sc->sc_intr_number); 723 return (EIO); 724 } 725 } 726 727 DPRINTF(("%s: uticom_open: port opened\n", sc->sc_dev.dv_xname)); 728 return (0); 729 } 730 731 static void 732 uticom_close(void *addr, int portno) 733 { 734 struct uticom_softc *sc = addr; 735 usb_device_request_t req; 736 usbd_status err; 737 738 if (usbd_is_dying(sc->sc_udev)) 739 return; 740 741 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 742 req.bRequest = UTICOM_RQ_SON; 743 USETW(req.wValue, 0); 744 USETW(req.wIndex, 0); 745 USETW(req.wLength, 0); 746 747 /* Try to reset UART part of chip. */ 748 err = usbd_do_request(sc->sc_udev, &req, NULL); 749 if (err) { 750 printf("%s: uticom_close: %s\n", 751 sc->sc_dev.dv_xname, usbd_errstr(err)); 752 return; 753 } 754 755 DPRINTF(("%s: uticom_close: close\n", sc->sc_dev.dv_xname)); 756 757 if (sc->sc_intr_pipe != NULL) { 758 usbd_abort_pipe(sc->sc_intr_pipe); 759 err = usbd_close_pipe(sc->sc_intr_pipe); 760 if (err) 761 printf("%s: close interrupt pipe failed: %s\n", 762 sc->sc_dev.dv_xname, usbd_errstr(err)); 763 free(sc->sc_intr_buf, M_USBDEV, 0); 764 sc->sc_intr_pipe = NULL; 765 } 766 } 767 768 static void 769 uticom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) 770 { 771 struct uticom_softc *sc = priv; 772 u_char *buf = sc->sc_intr_buf; 773 774 if (usbd_is_dying(sc->sc_udev)) 775 return; 776 777 if (status != USBD_NORMAL_COMPLETION) { 778 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 779 DPRINTF(("%s: uticom_intr: int status: %s\n", 780 sc->sc_dev.dv_xname, usbd_errstr(status))); 781 return; 782 } 783 784 DPRINTF(("%s: uticom_intr: abnormal status: %s\n", 785 sc->sc_dev.dv_xname, usbd_errstr(status))); 786 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 787 return; 788 } 789 790 if (!xfer->actlen) 791 return; 792 793 DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname, 794 xfer->actlen)); 795 796 sc->sc_lsr = sc->sc_msr = 0; 797 798 if (buf[0] == 0) { 799 /* msr registers */ 800 if (buf[1] & UTICOM_MCR_CTS) 801 sc->sc_msr |= UMSR_CTS; 802 if (buf[1] & UTICOM_MCR_DSR) 803 sc->sc_msr |= UMSR_DSR; 804 if (buf[1] & UTICOM_MCR_CD) 805 sc->sc_msr |= UMSR_DCD; 806 if (buf[1] & UTICOM_MCR_RI) 807 sc->sc_msr |= UMSR_RI; 808 } else { 809 /* lsr registers */ 810 if (buf[0] & UTICOM_LCR_OVR) 811 sc->sc_lsr |= ULSR_OE; 812 if (buf[0] & UTICOM_LCR_PTE) 813 sc->sc_lsr |= ULSR_PE; 814 if (buf[0] & UTICOM_LCR_FRE) 815 sc->sc_lsr |= ULSR_FE; 816 if (buf[0] & UTICOM_LCR_BRK) 817 sc->sc_lsr |= ULSR_BI; 818 } 819 820 // if (uticomstickdsr) 821 // sc->sc_msr |= UMSR_DSR; 822 823 ucom_status_change((struct ucom_softc *)sc->sc_subdev); 824 } 825 826 static void 827 uticom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 828 { 829 #if 0 /* TODO */ 830 struct uticom_softc *sc = addr; 831 832 DPRINTF(("uticom_get_status:\n")); 833 834 if (lsr != NULL) 835 *lsr = sc->sc_lsr; 836 if (msr != NULL) 837 *msr = sc->sc_msr; 838 #endif 839 return; 840 } 841 842 static int 843 uticom_download_fw(struct uticom_softc *sc, int pipeno, 844 struct usbd_device *dev) 845 { 846 u_char *obuf, *firmware; 847 size_t firmware_size; 848 int buffer_size, pos; 849 uint8_t cs = 0, *buffer; 850 usbd_status err; 851 struct uticom_fw_header *header; 852 struct usbd_xfer *oxfer = 0; 853 usbd_status error = 0; 854 struct usbd_pipe *pipe; 855 856 error = loadfirmware("tusb3410", &firmware, &firmware_size); 857 if (error) 858 return (error); 859 860 buffer_size = UTICOM_FW_BUFSZ + sizeof(struct uticom_fw_header); 861 buffer = malloc(buffer_size, M_USBDEV, M_WAITOK | M_CANFAIL); 862 863 if (!buffer) { 864 printf("%s: uticom_download_fw: out of memory\n", 865 sc->sc_dev.dv_xname); 866 free(firmware, M_DEVBUF, 0); 867 return ENOMEM; 868 } 869 870 memcpy(buffer, firmware, firmware_size); 871 memset(buffer + firmware_size, 0xff, buffer_size - firmware_size); 872 873 for (pos = sizeof(struct uticom_fw_header); pos < buffer_size; pos++) 874 cs = (uint8_t)(cs + buffer[pos]); 875 876 header = (struct uticom_fw_header*)buffer; 877 header->length = (uint16_t)(buffer_size - 878 sizeof(struct uticom_fw_header)); 879 header->checkSum = cs; 880 881 DPRINTF(("%s: downloading firmware ...\n", 882 sc->sc_dev.dv_xname)); 883 884 err = usbd_open_pipe(sc->sc_iface, pipeno, USBD_EXCLUSIVE_USE, 885 &pipe); 886 if (err) { 887 printf("%s: open bulk out error (addr %d): %s\n", 888 sc->sc_dev.dv_xname, pipeno, usbd_errstr(err)); 889 error = EIO; 890 goto finish; 891 } 892 893 oxfer = usbd_alloc_xfer(dev); 894 if (oxfer == NULL) { 895 error = ENOMEM; 896 goto finish; 897 } 898 899 obuf = usbd_alloc_buffer(oxfer, buffer_size); 900 if (obuf == NULL) { 901 error = ENOMEM; 902 goto finish; 903 } 904 905 memcpy(obuf, buffer, buffer_size); 906 907 usbd_setup_xfer(oxfer, pipe, (void *)sc, obuf, buffer_size, 908 USBD_NO_COPY | USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, 0); 909 err = usbd_transfer(oxfer); 910 911 if (err != USBD_NORMAL_COMPLETION) 912 printf("%s: uticom_download_fw: error: %s\n", 913 sc->sc_dev.dv_xname, usbd_errstr(err)); 914 915 finish: 916 free(firmware, M_DEVBUF, 0); 917 usbd_free_buffer(oxfer); 918 usbd_free_xfer(oxfer); 919 oxfer = NULL; 920 usbd_abort_pipe(pipe); 921 usbd_close_pipe(pipe); 922 free(buffer, M_USBDEV, 0); 923 return err; 924 } 925