uftdi.c revision 1.32
1 /* $NetBSD: uftdi.c,v 1.32 2007/09/02 22:35:25 riz Exp $ */ 2 3 /* 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * FTDI FT8U100AX serial adapter driver 41 */ 42 43 /* 44 * XXX This driver will not support multiple serial ports. 45 * XXX The ucom layer needs to be extended first. 46 */ 47 48 #include <sys/cdefs.h> 49 __KERNEL_RCSID(0, "$NetBSD: uftdi.c,v 1.32 2007/09/02 22:35:25 riz Exp $"); 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/kernel.h> 54 #include <sys/device.h> 55 #include <sys/conf.h> 56 #include <sys/tty.h> 57 58 #include <dev/usb/usb.h> 59 #include <dev/usb/usbhid.h> 60 61 #include <dev/usb/usbdi.h> 62 #include <dev/usb/usbdi_util.h> 63 #include <dev/usb/usbdevs.h> 64 65 #include <dev/usb/ucomvar.h> 66 67 #include <dev/usb/uftdireg.h> 68 69 #ifdef UFTDI_DEBUG 70 #define DPRINTF(x) if (uftdidebug) printf x 71 #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x 72 int uftdidebug = 0; 73 #else 74 #define DPRINTF(x) 75 #define DPRINTFN(n,x) 76 #endif 77 78 #define UFTDI_CONFIG_INDEX 0 79 #define UFTDI_IFACE_INDEX 0 80 #define UFTDI_MAX_PORTS 2 81 82 /* 83 * These are the maximum number of bytes transferred per frame. 84 * The output buffer size cannot be increased due to the size encoding. 85 */ 86 #define UFTDIIBUFSIZE 64 87 #define UFTDIOBUFSIZE 64 88 89 struct uftdi_softc { 90 USBBASEDEVICE sc_dev; /* base device */ 91 usbd_device_handle sc_udev; /* device */ 92 usbd_interface_handle sc_iface[UFTDI_MAX_PORTS]; /* interface */ 93 94 enum uftdi_type sc_type; 95 u_int sc_hdrlen; 96 u_int sc_numports; 97 98 u_char sc_msr; 99 u_char sc_lsr; 100 101 device_ptr_t sc_subdev[UFTDI_MAX_PORTS]; 102 103 u_char sc_dying; 104 105 u_int last_lcr; 106 }; 107 108 Static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr); 109 Static void uftdi_set(void *, int, int, int); 110 Static int uftdi_param(void *, int, struct termios *); 111 Static int uftdi_open(void *sc, int portno); 112 Static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count); 113 Static void uftdi_write(void *sc, int portno, u_char *to, u_char *from, 114 u_int32_t *count); 115 Static void uftdi_break(void *sc, int portno, int onoff); 116 117 struct ucom_methods uftdi_methods = { 118 uftdi_get_status, 119 uftdi_set, 120 uftdi_param, 121 NULL, 122 uftdi_open, 123 NULL, 124 uftdi_read, 125 uftdi_write, 126 }; 127 128 /* 129 * The devices default to UFTDI_TYPE_8U232AM. 130 * Remember to update USB_ATTACH if it should be UFTDI_TYPE_SIO instead 131 */ 132 static const struct usb_devno uftdi_devs[] = { 133 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 134 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 135 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 154 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 155 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 156 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 157 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 158 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 159 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 160 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 161 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 162 }; 163 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 164 165 USB_DECLARE_DRIVER(uftdi); 166 167 USB_MATCH(uftdi) 168 { 169 USB_MATCH_START(uftdi, uaa); 170 171 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 172 uaa->vendor, uaa->product)); 173 174 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 175 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 176 } 177 178 USB_ATTACH(uftdi) 179 { 180 USB_ATTACH_START(uftdi, sc, uaa); 181 usbd_device_handle dev = uaa->device; 182 usbd_interface_handle iface; 183 usb_interface_descriptor_t *id; 184 usb_endpoint_descriptor_t *ed; 185 char *devinfop; 186 char *devname = USBDEVNAME(sc->sc_dev); 187 int i,idx; 188 usbd_status err; 189 struct ucom_attach_args uca; 190 191 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 192 193 /* Move the device into the configured state. */ 194 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 195 if (err) { 196 printf("\n%s: failed to set configuration, err=%s\n", 197 devname, usbd_errstr(err)); 198 goto bad; 199 } 200 201 devinfop = usbd_devinfo_alloc(dev, 0); 202 USB_ATTACH_SETUP; 203 printf("%s: %s\n", devname, devinfop); 204 usbd_devinfo_free(devinfop); 205 206 sc->sc_udev = dev; 207 sc->sc_numports = 1; 208 switch( uaa->vendor ) { 209 case USB_VENDOR_FTDI: 210 switch (uaa->product) { 211 case USB_PRODUCT_FTDI_SERIAL_8U100AX: 212 sc->sc_type = UFTDI_TYPE_SIO; 213 sc->sc_hdrlen = 1; 214 break; 215 case USB_PRODUCT_FTDI_SERIAL_2232C: 216 sc->sc_numports = 2; 217 /* FALLTHROUGH */ 218 default: /* Most uftdi devices are 8U232AM */ 219 sc->sc_type = UFTDI_TYPE_8U232AM; 220 sc->sc_hdrlen = 0; 221 } 222 break; 223 default: /* Most uftdi devices are 8U232AM */ 224 sc->sc_type = UFTDI_TYPE_8U232AM; 225 sc->sc_hdrlen = 0; 226 } 227 228 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 229 err = usbd_device2interface_handle(dev, idx, &iface); 230 if (err) { 231 printf("\n%s: failed to get interface idx=%d, err=%s\n", 232 devname, idx, usbd_errstr(err)); 233 goto bad; 234 } 235 236 id = usbd_get_interface_descriptor(iface); 237 238 sc->sc_iface[idx] = iface; 239 240 uca.bulkin = uca.bulkout = -1; 241 for (i = 0; i < id->bNumEndpoints; i++) { 242 int addr, dir, attr; 243 ed = usbd_interface2endpoint_descriptor(iface, i); 244 if (ed == NULL) { 245 printf("%s: could not read endpoint descriptor" 246 ": %s\n", devname, usbd_errstr(err)); 247 goto bad; 248 } 249 250 addr = ed->bEndpointAddress; 251 dir = UE_GET_DIR(ed->bEndpointAddress); 252 attr = ed->bmAttributes & UE_XFERTYPE; 253 if (dir == UE_DIR_IN && attr == UE_BULK) 254 uca.bulkin = addr; 255 else if (dir == UE_DIR_OUT && attr == UE_BULK) 256 uca.bulkout = addr; 257 else { 258 printf("%s: unexpected endpoint\n", devname); 259 goto bad; 260 } 261 } 262 if (uca.bulkin == -1) { 263 printf("%s: Could not find data bulk in\n", 264 USBDEVNAME(sc->sc_dev)); 265 goto bad; 266 } 267 if (uca.bulkout == -1) { 268 printf("%s: Could not find data bulk out\n", 269 USBDEVNAME(sc->sc_dev)); 270 goto bad; 271 } 272 273 uca.portno = FTDI_PIT_SIOA + idx; 274 /* bulkin, bulkout set above */ 275 uca.ibufsize = UFTDIIBUFSIZE; 276 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 277 uca.ibufsizepad = UFTDIIBUFSIZE; 278 uca.opkthdrlen = sc->sc_hdrlen; 279 uca.device = dev; 280 uca.iface = iface; 281 uca.methods = &uftdi_methods; 282 uca.arg = sc; 283 uca.info = NULL; 284 285 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 286 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, &uca, 287 ucomprint, ucomsubmatch); 288 } 289 290 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 291 USBDEV(sc->sc_dev)); 292 293 USB_ATTACH_SUCCESS_RETURN; 294 295 bad: 296 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 297 sc->sc_dying = 1; 298 USB_ATTACH_ERROR_RETURN; 299 } 300 301 int 302 uftdi_activate(device_ptr_t self, enum devact act) 303 { 304 struct uftdi_softc *sc = (struct uftdi_softc *)self; 305 int rv = 0,i; 306 307 switch (act) { 308 case DVACT_ACTIVATE: 309 return (EOPNOTSUPP); 310 311 case DVACT_DEACTIVATE: 312 for (i=0; i < sc->sc_numports; i++) 313 if (sc->sc_subdev[i] != NULL) 314 rv = config_deactivate(sc->sc_subdev[i]); 315 sc->sc_dying = 1; 316 break; 317 } 318 return (rv); 319 } 320 321 int 322 uftdi_detach(device_ptr_t self, int flags) 323 { 324 struct uftdi_softc *sc = (struct uftdi_softc *)self; 325 int i; 326 327 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 328 sc->sc_dying = 1; 329 for (i=0; i < sc->sc_numports; i++) 330 if (sc->sc_subdev[i] != NULL) { 331 config_detach(sc->sc_subdev[i], flags); 332 sc->sc_subdev[i] = NULL; 333 } 334 335 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 336 USBDEV(sc->sc_dev)); 337 338 return (0); 339 } 340 341 Static int 342 uftdi_open(void *vsc, int portno) 343 { 344 struct uftdi_softc *sc = vsc; 345 usb_device_request_t req; 346 usbd_status err; 347 struct termios t; 348 349 DPRINTF(("uftdi_open: sc=%p\n", sc)); 350 351 if (sc->sc_dying) 352 return (EIO); 353 354 /* Perform a full reset on the device */ 355 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 356 req.bRequest = FTDI_SIO_RESET; 357 USETW(req.wValue, FTDI_SIO_RESET_SIO); 358 USETW(req.wIndex, portno); 359 USETW(req.wLength, 0); 360 err = usbd_do_request(sc->sc_udev, &req, NULL); 361 if (err) 362 return (EIO); 363 364 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 365 t.c_ospeed = 9600; 366 t.c_cflag = CSTOPB | CS8; 367 (void)uftdi_param(sc, portno, &t); 368 369 /* Turn on RTS/CTS flow control */ 370 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 371 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 372 USETW(req.wValue, 0); 373 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 374 USETW(req.wLength, 0); 375 err = usbd_do_request(sc->sc_udev, &req, NULL); 376 if (err) 377 return (EIO); 378 379 return (0); 380 } 381 382 Static void 383 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 384 { 385 struct uftdi_softc *sc = vsc; 386 u_char msr, lsr; 387 388 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 389 *count)); 390 391 msr = FTDI_GET_MSR(*ptr); 392 lsr = FTDI_GET_LSR(*ptr); 393 394 #ifdef UFTDI_DEBUG 395 if (*count != 2) 396 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 397 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 398 #endif 399 400 if (sc->sc_msr != msr || 401 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 402 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 403 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 404 lsr, sc->sc_lsr)); 405 sc->sc_msr = msr; 406 sc->sc_lsr = lsr; 407 ucom_status_change((struct ucom_softc *)sc->sc_subdev[portno-1]); 408 } 409 410 /* Pick up status and adjust data part. */ 411 *ptr += 2; 412 *count -= 2; 413 } 414 415 Static void 416 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 417 { 418 struct uftdi_softc *sc = vsc; 419 420 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 421 vsc, portno, *count, from[0])); 422 423 /* Make length tag and copy data */ 424 if (sc->sc_hdrlen > 0) 425 *to = FTDI_OUT_TAG(*count, portno); 426 427 memcpy(to + sc->sc_hdrlen, from, *count); 428 *count += sc->sc_hdrlen; 429 } 430 431 Static void 432 uftdi_set(void *vsc, int portno, int reg, int onoff) 433 { 434 struct uftdi_softc *sc = vsc; 435 usb_device_request_t req; 436 int ctl; 437 438 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 439 reg, onoff)); 440 441 switch (reg) { 442 case UCOM_SET_DTR: 443 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 444 break; 445 case UCOM_SET_RTS: 446 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 447 break; 448 case UCOM_SET_BREAK: 449 uftdi_break(sc, portno, onoff); 450 return; 451 default: 452 return; 453 } 454 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 455 req.bRequest = FTDI_SIO_MODEM_CTRL; 456 USETW(req.wValue, ctl); 457 USETW(req.wIndex, portno); 458 USETW(req.wLength, 0); 459 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 460 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 461 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 462 (void)usbd_do_request(sc->sc_udev, &req, NULL); 463 } 464 465 Static int 466 uftdi_param(void *vsc, int portno, struct termios *t) 467 { 468 struct uftdi_softc *sc = vsc; 469 usb_device_request_t req; 470 usbd_status err; 471 int rate, data, flow; 472 473 DPRINTF(("uftdi_param: sc=%p\n", sc)); 474 475 if (sc->sc_dying) 476 return (EIO); 477 478 switch (sc->sc_type) { 479 case UFTDI_TYPE_SIO: 480 switch (t->c_ospeed) { 481 case 300: rate = ftdi_sio_b300; break; 482 case 600: rate = ftdi_sio_b600; break; 483 case 1200: rate = ftdi_sio_b1200; break; 484 case 2400: rate = ftdi_sio_b2400; break; 485 case 4800: rate = ftdi_sio_b4800; break; 486 case 9600: rate = ftdi_sio_b9600; break; 487 case 19200: rate = ftdi_sio_b19200; break; 488 case 38400: rate = ftdi_sio_b38400; break; 489 case 57600: rate = ftdi_sio_b57600; break; 490 case 115200: rate = ftdi_sio_b115200; break; 491 default: 492 return (EINVAL); 493 } 494 break; 495 496 case UFTDI_TYPE_8U232AM: 497 switch(t->c_ospeed) { 498 case 300: rate = ftdi_8u232am_b300; break; 499 case 600: rate = ftdi_8u232am_b600; break; 500 case 1200: rate = ftdi_8u232am_b1200; break; 501 case 2400: rate = ftdi_8u232am_b2400; break; 502 case 4800: rate = ftdi_8u232am_b4800; break; 503 case 9600: rate = ftdi_8u232am_b9600; break; 504 case 19200: rate = ftdi_8u232am_b19200; break; 505 case 38400: rate = ftdi_8u232am_b38400; break; 506 case 57600: rate = ftdi_8u232am_b57600; break; 507 case 115200: rate = ftdi_8u232am_b115200; break; 508 case 230400: rate = ftdi_8u232am_b230400; break; 509 case 460800: rate = ftdi_8u232am_b460800; break; 510 case 921600: rate = ftdi_8u232am_b921600; break; 511 default: 512 return (EINVAL); 513 } 514 break; 515 516 default: 517 return (EINVAL); 518 } 519 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 520 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 521 USETW(req.wValue, rate); 522 USETW(req.wIndex, portno); 523 USETW(req.wLength, 0); 524 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 525 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 526 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 527 err = usbd_do_request(sc->sc_udev, &req, NULL); 528 if (err) 529 return (EIO); 530 531 if (ISSET(t->c_cflag, CSTOPB)) 532 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 533 else 534 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 535 if (ISSET(t->c_cflag, PARENB)) { 536 if (ISSET(t->c_cflag, PARODD)) 537 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 538 else 539 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 540 } else 541 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 542 switch (ISSET(t->c_cflag, CSIZE)) { 543 case CS5: 544 data |= FTDI_SIO_SET_DATA_BITS(5); 545 break; 546 case CS6: 547 data |= FTDI_SIO_SET_DATA_BITS(6); 548 break; 549 case CS7: 550 data |= FTDI_SIO_SET_DATA_BITS(7); 551 break; 552 case CS8: 553 data |= FTDI_SIO_SET_DATA_BITS(8); 554 break; 555 } 556 sc->last_lcr = data; 557 558 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 559 req.bRequest = FTDI_SIO_SET_DATA; 560 USETW(req.wValue, data); 561 USETW(req.wIndex, portno); 562 USETW(req.wLength, 0); 563 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 564 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 565 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 566 err = usbd_do_request(sc->sc_udev, &req, NULL); 567 if (err) 568 return (EIO); 569 570 if (ISSET(t->c_cflag, CRTSCTS)) { 571 flow = FTDI_SIO_RTS_CTS_HS; 572 USETW(req.wValue, 0); 573 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 574 flow = FTDI_SIO_XON_XOFF_HS; 575 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 576 } else { 577 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 578 USETW(req.wValue, 0); 579 } 580 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 581 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 582 USETW2(req.wIndex, flow, portno); 583 USETW(req.wLength, 0); 584 err = usbd_do_request(sc->sc_udev, &req, NULL); 585 if (err) 586 return (EIO); 587 588 return (0); 589 } 590 591 void 592 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 593 { 594 struct uftdi_softc *sc = vsc; 595 596 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 597 sc->sc_msr, sc->sc_lsr)); 598 599 if (msr != NULL) 600 *msr = sc->sc_msr; 601 if (lsr != NULL) 602 *lsr = sc->sc_lsr; 603 } 604 605 void 606 uftdi_break(void *vsc, int portno, int onoff) 607 { 608 struct uftdi_softc *sc = vsc; 609 usb_device_request_t req; 610 int data; 611 612 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 613 onoff)); 614 615 if (onoff) { 616 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 617 } else { 618 data = sc->last_lcr; 619 } 620 621 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 622 req.bRequest = FTDI_SIO_SET_DATA; 623 USETW(req.wValue, data); 624 USETW(req.wIndex, portno); 625 USETW(req.wLength, 0); 626 (void)usbd_do_request(sc->sc_udev, &req, NULL); 627 } 628
Indexes created Mon Sep 29 21:09:56 GMT 2025