uftdi.c revision 1.36.4.1
1 /* $NetBSD: uftdi.c,v 1.36.4.1 2008/05/16 02:25:10 yamt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * FTDI FT8U100AX serial adapter driver 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: uftdi.c,v 1.36.4.1 2008/05/16 02:25:10 yamt Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/device.h> 43 #include <sys/conf.h> 44 #include <sys/tty.h> 45 46 #include <dev/usb/usb.h> 47 48 #include <dev/usb/usbdi.h> 49 #include <dev/usb/usbdi_util.h> 50 #include <dev/usb/usbdevs.h> 51 52 #include <dev/usb/ucomvar.h> 53 54 #include <dev/usb/uftdireg.h> 55 56 #ifdef UFTDI_DEBUG 57 #define DPRINTF(x) if (uftdidebug) printf x 58 #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x 59 int uftdidebug = 0; 60 #else 61 #define DPRINTF(x) 62 #define DPRINTFN(n,x) 63 #endif 64 65 #define UFTDI_CONFIG_INDEX 0 66 #define UFTDI_IFACE_INDEX 0 67 #define UFTDI_MAX_PORTS 2 68 69 /* 70 * These are the maximum number of bytes transferred per frame. 71 * The output buffer size cannot be increased due to the size encoding. 72 */ 73 #define UFTDIIBUFSIZE 64 74 #define UFTDIOBUFSIZE 64 75 76 struct uftdi_softc { 77 USBBASEDEVICE sc_dev; /* base device */ 78 usbd_device_handle sc_udev; /* device */ 79 usbd_interface_handle sc_iface[UFTDI_MAX_PORTS]; /* interface */ 80 81 enum uftdi_type sc_type; 82 u_int sc_hdrlen; 83 u_int sc_numports; 84 85 u_char sc_msr; 86 u_char sc_lsr; 87 88 device_ptr_t sc_subdev[UFTDI_MAX_PORTS]; 89 90 u_char sc_dying; 91 92 u_int last_lcr; 93 }; 94 95 Static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr); 96 Static void uftdi_set(void *, int, int, int); 97 Static int uftdi_param(void *, int, struct termios *); 98 Static int uftdi_open(void *sc, int portno); 99 Static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count); 100 Static void uftdi_write(void *sc, int portno, u_char *to, u_char *from, 101 u_int32_t *count); 102 Static void uftdi_break(void *sc, int portno, int onoff); 103 104 struct ucom_methods uftdi_methods = { 105 uftdi_get_status, 106 uftdi_set, 107 uftdi_param, 108 NULL, 109 uftdi_open, 110 NULL, 111 uftdi_read, 112 uftdi_write, 113 }; 114 115 /* 116 * The devices default to UFTDI_TYPE_8U232AM. 117 * Remember to update USB_ATTACH if it should be UFTDI_TYPE_SIO instead 118 */ 119 static const struct usb_devno uftdi_devs[] = { 120 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 121 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 122 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 123 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 124 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 125 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 126 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 127 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 128 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 145 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 146 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 147 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 148 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 149 }; 150 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 151 152 int uftdi_match(device_t, struct cfdata *, void *); 153 void uftdi_attach(device_t, device_t, void *); 154 void uftdi_childdet(device_t, device_t); 155 int uftdi_detach(device_t, int); 156 int uftdi_activate(device_t, enum devact); 157 extern struct cfdriver uftdi_cd; 158 CFATTACH_DECL2(uftdi, sizeof(struct uftdi_softc), uftdi_match, 159 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 160 161 USB_MATCH(uftdi) 162 { 163 USB_MATCH_START(uftdi, uaa); 164 165 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 166 uaa->vendor, uaa->product)); 167 168 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 169 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 170 } 171 172 USB_ATTACH(uftdi) 173 { 174 USB_ATTACH_START(uftdi, sc, uaa); 175 usbd_device_handle dev = uaa->device; 176 usbd_interface_handle iface; 177 usb_interface_descriptor_t *id; 178 usb_endpoint_descriptor_t *ed; 179 char *devinfop; 180 const char *devname = USBDEVNAME(sc->sc_dev); 181 int i,idx; 182 usbd_status err; 183 struct ucom_attach_args uca; 184 185 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 186 187 /* Move the device into the configured state. */ 188 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 189 if (err) { 190 printf("\n%s: failed to set configuration, err=%s\n", 191 devname, usbd_errstr(err)); 192 goto bad; 193 } 194 195 devinfop = usbd_devinfo_alloc(dev, 0); 196 USB_ATTACH_SETUP; 197 printf("%s: %s\n", devname, devinfop); 198 usbd_devinfo_free(devinfop); 199 200 sc->sc_udev = dev; 201 sc->sc_numports = 1; 202 switch( uaa->vendor ) { 203 case USB_VENDOR_FTDI: 204 switch (uaa->product) { 205 case USB_PRODUCT_FTDI_SERIAL_8U100AX: 206 sc->sc_type = UFTDI_TYPE_SIO; 207 sc->sc_hdrlen = 1; 208 break; 209 case USB_PRODUCT_FTDI_SERIAL_2232C: 210 sc->sc_numports = 2; 211 /* FALLTHROUGH */ 212 default: /* Most uftdi devices are 8U232AM */ 213 sc->sc_type = UFTDI_TYPE_8U232AM; 214 sc->sc_hdrlen = 0; 215 } 216 break; 217 default: /* Most uftdi devices are 8U232AM */ 218 sc->sc_type = UFTDI_TYPE_8U232AM; 219 sc->sc_hdrlen = 0; 220 } 221 222 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 223 err = usbd_device2interface_handle(dev, idx, &iface); 224 if (err) { 225 printf("\n%s: failed to get interface idx=%d, err=%s\n", 226 devname, idx, usbd_errstr(err)); 227 goto bad; 228 } 229 230 id = usbd_get_interface_descriptor(iface); 231 232 sc->sc_iface[idx] = iface; 233 234 uca.bulkin = uca.bulkout = -1; 235 for (i = 0; i < id->bNumEndpoints; i++) { 236 int addr, dir, attr; 237 ed = usbd_interface2endpoint_descriptor(iface, i); 238 if (ed == NULL) { 239 printf("%s: could not read endpoint descriptor" 240 ": %s\n", devname, usbd_errstr(err)); 241 goto bad; 242 } 243 244 addr = ed->bEndpointAddress; 245 dir = UE_GET_DIR(ed->bEndpointAddress); 246 attr = ed->bmAttributes & UE_XFERTYPE; 247 if (dir == UE_DIR_IN && attr == UE_BULK) 248 uca.bulkin = addr; 249 else if (dir == UE_DIR_OUT && attr == UE_BULK) 250 uca.bulkout = addr; 251 else { 252 printf("%s: unexpected endpoint\n", devname); 253 goto bad; 254 } 255 } 256 if (uca.bulkin == -1) { 257 printf("%s: Could not find data bulk in\n", 258 USBDEVNAME(sc->sc_dev)); 259 goto bad; 260 } 261 if (uca.bulkout == -1) { 262 printf("%s: Could not find data bulk out\n", 263 USBDEVNAME(sc->sc_dev)); 264 goto bad; 265 } 266 267 uca.portno = FTDI_PIT_SIOA + idx; 268 /* bulkin, bulkout set above */ 269 uca.ibufsize = UFTDIIBUFSIZE; 270 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 271 uca.ibufsizepad = UFTDIIBUFSIZE; 272 uca.opkthdrlen = sc->sc_hdrlen; 273 uca.device = dev; 274 uca.iface = iface; 275 uca.methods = &uftdi_methods; 276 uca.arg = sc; 277 uca.info = NULL; 278 279 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 280 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, &uca, 281 ucomprint, ucomsubmatch); 282 } 283 284 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 285 USBDEV(sc->sc_dev)); 286 287 USB_ATTACH_SUCCESS_RETURN; 288 289 bad: 290 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 291 sc->sc_dying = 1; 292 USB_ATTACH_ERROR_RETURN; 293 } 294 295 int 296 uftdi_activate(device_ptr_t self, enum devact act) 297 { 298 struct uftdi_softc *sc = (struct uftdi_softc *)self; 299 int rv = 0,i; 300 301 switch (act) { 302 case DVACT_ACTIVATE: 303 return (EOPNOTSUPP); 304 305 case DVACT_DEACTIVATE: 306 for (i=0; i < sc->sc_numports; i++) 307 if (sc->sc_subdev[i] != NULL) 308 rv = config_deactivate(sc->sc_subdev[i]); 309 sc->sc_dying = 1; 310 break; 311 } 312 return (rv); 313 } 314 315 void 316 uftdi_childdet(device_t self, device_t child) 317 { 318 int i; 319 struct uftdi_softc *sc = device_private(self); 320 321 for (i = 0; i < sc->sc_numports; i++) { 322 if (sc->sc_subdev[i] == child) 323 break; 324 } 325 KASSERT(i < sc->sc_numports); 326 sc->sc_subdev[i] = NULL; 327 } 328 329 int 330 uftdi_detach(device_t self, int flags) 331 { 332 struct uftdi_softc *sc = device_private(self); 333 int i; 334 335 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 336 sc->sc_dying = 1; 337 for (i=0; i < sc->sc_numports; i++) { 338 if (sc->sc_subdev[i] != NULL) 339 config_detach(sc->sc_subdev[i], flags); 340 } 341 342 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 343 USBDEV(sc->sc_dev)); 344 345 return (0); 346 } 347 348 Static int 349 uftdi_open(void *vsc, int portno) 350 { 351 struct uftdi_softc *sc = vsc; 352 usb_device_request_t req; 353 usbd_status err; 354 struct termios t; 355 356 DPRINTF(("uftdi_open: sc=%p\n", sc)); 357 358 if (sc->sc_dying) 359 return (EIO); 360 361 /* Perform a full reset on the device */ 362 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 363 req.bRequest = FTDI_SIO_RESET; 364 USETW(req.wValue, FTDI_SIO_RESET_SIO); 365 USETW(req.wIndex, portno); 366 USETW(req.wLength, 0); 367 err = usbd_do_request(sc->sc_udev, &req, NULL); 368 if (err) 369 return (EIO); 370 371 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 372 t.c_ospeed = 9600; 373 t.c_cflag = CSTOPB | CS8; 374 (void)uftdi_param(sc, portno, &t); 375 376 /* Turn on RTS/CTS flow control */ 377 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 378 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 379 USETW(req.wValue, 0); 380 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 381 USETW(req.wLength, 0); 382 err = usbd_do_request(sc->sc_udev, &req, NULL); 383 if (err) 384 return (EIO); 385 386 return (0); 387 } 388 389 Static void 390 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 391 { 392 struct uftdi_softc *sc = vsc; 393 u_char msr, lsr; 394 395 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 396 *count)); 397 398 msr = FTDI_GET_MSR(*ptr); 399 lsr = FTDI_GET_LSR(*ptr); 400 401 #ifdef UFTDI_DEBUG 402 if (*count != 2) 403 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 404 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 405 #endif 406 407 if (sc->sc_msr != msr || 408 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 409 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 410 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 411 lsr, sc->sc_lsr)); 412 sc->sc_msr = msr; 413 sc->sc_lsr = lsr; 414 ucom_status_change((struct ucom_softc *)sc->sc_subdev[portno-1]); 415 } 416 417 /* Pick up status and adjust data part. */ 418 *ptr += 2; 419 *count -= 2; 420 } 421 422 Static void 423 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 424 { 425 struct uftdi_softc *sc = vsc; 426 427 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 428 vsc, portno, *count, from[0])); 429 430 /* Make length tag and copy data */ 431 if (sc->sc_hdrlen > 0) 432 *to = FTDI_OUT_TAG(*count, portno); 433 434 memcpy(to + sc->sc_hdrlen, from, *count); 435 *count += sc->sc_hdrlen; 436 } 437 438 Static void 439 uftdi_set(void *vsc, int portno, int reg, int onoff) 440 { 441 struct uftdi_softc *sc = vsc; 442 usb_device_request_t req; 443 int ctl; 444 445 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 446 reg, onoff)); 447 448 switch (reg) { 449 case UCOM_SET_DTR: 450 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 451 break; 452 case UCOM_SET_RTS: 453 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 454 break; 455 case UCOM_SET_BREAK: 456 uftdi_break(sc, portno, onoff); 457 return; 458 default: 459 return; 460 } 461 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 462 req.bRequest = FTDI_SIO_MODEM_CTRL; 463 USETW(req.wValue, ctl); 464 USETW(req.wIndex, portno); 465 USETW(req.wLength, 0); 466 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 467 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 468 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 469 (void)usbd_do_request(sc->sc_udev, &req, NULL); 470 } 471 472 Static int 473 uftdi_param(void *vsc, int portno, struct termios *t) 474 { 475 struct uftdi_softc *sc = vsc; 476 usb_device_request_t req; 477 usbd_status err; 478 int rate, data, flow; 479 480 DPRINTF(("uftdi_param: sc=%p\n", sc)); 481 482 if (sc->sc_dying) 483 return (EIO); 484 485 switch (sc->sc_type) { 486 case UFTDI_TYPE_SIO: 487 switch (t->c_ospeed) { 488 case 300: rate = ftdi_sio_b300; break; 489 case 600: rate = ftdi_sio_b600; break; 490 case 1200: rate = ftdi_sio_b1200; break; 491 case 2400: rate = ftdi_sio_b2400; break; 492 case 4800: rate = ftdi_sio_b4800; break; 493 case 9600: rate = ftdi_sio_b9600; break; 494 case 19200: rate = ftdi_sio_b19200; break; 495 case 38400: rate = ftdi_sio_b38400; break; 496 case 57600: rate = ftdi_sio_b57600; break; 497 case 115200: rate = ftdi_sio_b115200; break; 498 default: 499 return (EINVAL); 500 } 501 break; 502 503 case UFTDI_TYPE_8U232AM: 504 switch(t->c_ospeed) { 505 case 300: rate = ftdi_8u232am_b300; break; 506 case 600: rate = ftdi_8u232am_b600; break; 507 case 1200: rate = ftdi_8u232am_b1200; break; 508 case 2400: rate = ftdi_8u232am_b2400; break; 509 case 4800: rate = ftdi_8u232am_b4800; break; 510 case 9600: rate = ftdi_8u232am_b9600; break; 511 case 19200: rate = ftdi_8u232am_b19200; break; 512 case 38400: rate = ftdi_8u232am_b38400; break; 513 case 57600: rate = ftdi_8u232am_b57600; break; 514 case 115200: rate = ftdi_8u232am_b115200; break; 515 case 230400: rate = ftdi_8u232am_b230400; break; 516 case 460800: rate = ftdi_8u232am_b460800; break; 517 case 921600: rate = ftdi_8u232am_b921600; break; 518 default: 519 return (EINVAL); 520 } 521 break; 522 523 default: 524 return (EINVAL); 525 } 526 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 527 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 528 USETW(req.wValue, rate); 529 USETW(req.wIndex, portno); 530 USETW(req.wLength, 0); 531 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 532 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 533 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 534 err = usbd_do_request(sc->sc_udev, &req, NULL); 535 if (err) 536 return (EIO); 537 538 if (ISSET(t->c_cflag, CSTOPB)) 539 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 540 else 541 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 542 if (ISSET(t->c_cflag, PARENB)) { 543 if (ISSET(t->c_cflag, PARODD)) 544 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 545 else 546 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 547 } else 548 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 549 switch (ISSET(t->c_cflag, CSIZE)) { 550 case CS5: 551 data |= FTDI_SIO_SET_DATA_BITS(5); 552 break; 553 case CS6: 554 data |= FTDI_SIO_SET_DATA_BITS(6); 555 break; 556 case CS7: 557 data |= FTDI_SIO_SET_DATA_BITS(7); 558 break; 559 case CS8: 560 data |= FTDI_SIO_SET_DATA_BITS(8); 561 break; 562 } 563 sc->last_lcr = data; 564 565 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 566 req.bRequest = FTDI_SIO_SET_DATA; 567 USETW(req.wValue, data); 568 USETW(req.wIndex, portno); 569 USETW(req.wLength, 0); 570 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 571 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 572 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 573 err = usbd_do_request(sc->sc_udev, &req, NULL); 574 if (err) 575 return (EIO); 576 577 if (ISSET(t->c_cflag, CRTSCTS)) { 578 flow = FTDI_SIO_RTS_CTS_HS; 579 USETW(req.wValue, 0); 580 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 581 flow = FTDI_SIO_XON_XOFF_HS; 582 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 583 } else { 584 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 585 USETW(req.wValue, 0); 586 } 587 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 588 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 589 USETW2(req.wIndex, flow, portno); 590 USETW(req.wLength, 0); 591 err = usbd_do_request(sc->sc_udev, &req, NULL); 592 if (err) 593 return (EIO); 594 595 return (0); 596 } 597 598 void 599 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 600 { 601 struct uftdi_softc *sc = vsc; 602 603 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 604 sc->sc_msr, sc->sc_lsr)); 605 606 if (msr != NULL) 607 *msr = sc->sc_msr; 608 if (lsr != NULL) 609 *lsr = sc->sc_lsr; 610 } 611 612 void 613 uftdi_break(void *vsc, int portno, int onoff) 614 { 615 struct uftdi_softc *sc = vsc; 616 usb_device_request_t req; 617 int data; 618 619 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 620 onoff)); 621 622 if (onoff) { 623 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 624 } else { 625 data = sc->last_lcr; 626 } 627 628 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 629 req.bRequest = FTDI_SIO_SET_DATA; 630 USETW(req.wValue, data); 631 USETW(req.wIndex, portno); 632 USETW(req.wLength, 0); 633 (void)usbd_do_request(sc->sc_udev, &req, NULL); 634 } 635
Indexes created Fri Oct 03 02:09:57 GMT 2025