uftdi.c revision 1.38
1 /* $NetBSD: uftdi.c,v 1.38 2008/05/24 16:40:58 cube 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 1.38 2008/05/24 16:40:58 cube 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, cfdata_t, 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_NEW(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 = device_xname(self); 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 aprint_error("\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 aprint_normal_dev(self, "%s\n", devinfop); 198 usbd_devinfo_free(devinfop); 199 200 sc->sc_dev = self; 201 sc->sc_udev = dev; 202 sc->sc_numports = 1; 203 switch( uaa->vendor ) { 204 case USB_VENDOR_FTDI: 205 switch (uaa->product) { 206 case USB_PRODUCT_FTDI_SERIAL_8U100AX: 207 sc->sc_type = UFTDI_TYPE_SIO; 208 sc->sc_hdrlen = 1; 209 break; 210 case USB_PRODUCT_FTDI_SERIAL_2232C: 211 sc->sc_numports = 2; 212 /* FALLTHROUGH */ 213 default: /* Most uftdi devices are 8U232AM */ 214 sc->sc_type = UFTDI_TYPE_8U232AM; 215 sc->sc_hdrlen = 0; 216 } 217 break; 218 default: /* Most uftdi devices are 8U232AM */ 219 sc->sc_type = UFTDI_TYPE_8U232AM; 220 sc->sc_hdrlen = 0; 221 } 222 223 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 224 err = usbd_device2interface_handle(dev, idx, &iface); 225 if (err) { 226 aprint_error( 227 "\n%s: failed to get interface idx=%d, err=%s\n", 228 devname, idx, usbd_errstr(err)); 229 goto bad; 230 } 231 232 id = usbd_get_interface_descriptor(iface); 233 234 sc->sc_iface[idx] = iface; 235 236 uca.bulkin = uca.bulkout = -1; 237 for (i = 0; i < id->bNumEndpoints; i++) { 238 int addr, dir, attr; 239 ed = usbd_interface2endpoint_descriptor(iface, i); 240 if (ed == NULL) { 241 aprint_error_dev(self, 242 "could not read endpoint descriptor: %s\n", 243 usbd_errstr(err)); 244 goto bad; 245 } 246 247 addr = ed->bEndpointAddress; 248 dir = UE_GET_DIR(ed->bEndpointAddress); 249 attr = ed->bmAttributes & UE_XFERTYPE; 250 if (dir == UE_DIR_IN && attr == UE_BULK) 251 uca.bulkin = addr; 252 else if (dir == UE_DIR_OUT && attr == UE_BULK) 253 uca.bulkout = addr; 254 else { 255 aprint_error_dev(self, 256 "unexpected endpoint\n"); 257 goto bad; 258 } 259 } 260 if (uca.bulkin == -1) { 261 aprint_error_dev(self, 262 "Could not find data bulk in\n"); 263 goto bad; 264 } 265 if (uca.bulkout == -1) { 266 aprint_error_dev(self, 267 "Could not find data bulk out\n"); 268 goto bad; 269 } 270 271 uca.portno = FTDI_PIT_SIOA + idx; 272 /* bulkin, bulkout set above */ 273 uca.ibufsize = UFTDIIBUFSIZE; 274 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 275 uca.ibufsizepad = UFTDIIBUFSIZE; 276 uca.opkthdrlen = sc->sc_hdrlen; 277 uca.device = dev; 278 uca.iface = iface; 279 uca.methods = &uftdi_methods; 280 uca.arg = sc; 281 uca.info = NULL; 282 283 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 284 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, &uca, 285 ucomprint, ucomsubmatch); 286 } 287 288 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 289 USBDEV(sc->sc_dev)); 290 291 USB_ATTACH_SUCCESS_RETURN; 292 293 bad: 294 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 295 sc->sc_dying = 1; 296 USB_ATTACH_ERROR_RETURN; 297 } 298 299 int 300 uftdi_activate(device_t self, enum devact act) 301 { 302 struct uftdi_softc *sc = device_private(self); 303 int rv = 0,i; 304 305 switch (act) { 306 case DVACT_ACTIVATE: 307 return (EOPNOTSUPP); 308 309 case DVACT_DEACTIVATE: 310 for (i=0; i < sc->sc_numports; i++) 311 if (sc->sc_subdev[i] != NULL) 312 rv = config_deactivate(sc->sc_subdev[i]); 313 sc->sc_dying = 1; 314 break; 315 } 316 return (rv); 317 } 318 319 void 320 uftdi_childdet(device_t self, device_t child) 321 { 322 int i; 323 struct uftdi_softc *sc = device_private(self); 324 325 for (i = 0; i < sc->sc_numports; i++) { 326 if (sc->sc_subdev[i] == child) 327 break; 328 } 329 KASSERT(i < sc->sc_numports); 330 sc->sc_subdev[i] = NULL; 331 } 332 333 int 334 uftdi_detach(device_t self, int flags) 335 { 336 struct uftdi_softc *sc = device_private(self); 337 int i; 338 339 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 340 sc->sc_dying = 1; 341 for (i=0; i < sc->sc_numports; i++) { 342 if (sc->sc_subdev[i] != NULL) 343 config_detach(sc->sc_subdev[i], flags); 344 } 345 346 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 347 USBDEV(sc->sc_dev)); 348 349 return (0); 350 } 351 352 Static int 353 uftdi_open(void *vsc, int portno) 354 { 355 struct uftdi_softc *sc = vsc; 356 usb_device_request_t req; 357 usbd_status err; 358 struct termios t; 359 360 DPRINTF(("uftdi_open: sc=%p\n", sc)); 361 362 if (sc->sc_dying) 363 return (EIO); 364 365 /* Perform a full reset on the device */ 366 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 367 req.bRequest = FTDI_SIO_RESET; 368 USETW(req.wValue, FTDI_SIO_RESET_SIO); 369 USETW(req.wIndex, portno); 370 USETW(req.wLength, 0); 371 err = usbd_do_request(sc->sc_udev, &req, NULL); 372 if (err) 373 return (EIO); 374 375 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 376 t.c_ospeed = 9600; 377 t.c_cflag = CSTOPB | CS8; 378 (void)uftdi_param(sc, portno, &t); 379 380 /* Turn on RTS/CTS flow control */ 381 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 382 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 383 USETW(req.wValue, 0); 384 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 385 USETW(req.wLength, 0); 386 err = usbd_do_request(sc->sc_udev, &req, NULL); 387 if (err) 388 return (EIO); 389 390 return (0); 391 } 392 393 Static void 394 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 395 { 396 struct uftdi_softc *sc = vsc; 397 u_char msr, lsr; 398 399 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 400 *count)); 401 402 msr = FTDI_GET_MSR(*ptr); 403 lsr = FTDI_GET_LSR(*ptr); 404 405 #ifdef UFTDI_DEBUG 406 if (*count != 2) 407 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 408 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 409 #endif 410 411 if (sc->sc_msr != msr || 412 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 413 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 414 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 415 lsr, sc->sc_lsr)); 416 sc->sc_msr = msr; 417 sc->sc_lsr = lsr; 418 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 419 } 420 421 /* Pick up status and adjust data part. */ 422 *ptr += 2; 423 *count -= 2; 424 } 425 426 Static void 427 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 428 { 429 struct uftdi_softc *sc = vsc; 430 431 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 432 vsc, portno, *count, from[0])); 433 434 /* Make length tag and copy data */ 435 if (sc->sc_hdrlen > 0) 436 *to = FTDI_OUT_TAG(*count, portno); 437 438 memcpy(to + sc->sc_hdrlen, from, *count); 439 *count += sc->sc_hdrlen; 440 } 441 442 Static void 443 uftdi_set(void *vsc, int portno, int reg, int onoff) 444 { 445 struct uftdi_softc *sc = vsc; 446 usb_device_request_t req; 447 int ctl; 448 449 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 450 reg, onoff)); 451 452 switch (reg) { 453 case UCOM_SET_DTR: 454 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 455 break; 456 case UCOM_SET_RTS: 457 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 458 break; 459 case UCOM_SET_BREAK: 460 uftdi_break(sc, portno, onoff); 461 return; 462 default: 463 return; 464 } 465 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 466 req.bRequest = FTDI_SIO_MODEM_CTRL; 467 USETW(req.wValue, ctl); 468 USETW(req.wIndex, portno); 469 USETW(req.wLength, 0); 470 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 471 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 472 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 473 (void)usbd_do_request(sc->sc_udev, &req, NULL); 474 } 475 476 Static int 477 uftdi_param(void *vsc, int portno, struct termios *t) 478 { 479 struct uftdi_softc *sc = vsc; 480 usb_device_request_t req; 481 usbd_status err; 482 int rate, data, flow; 483 484 DPRINTF(("uftdi_param: sc=%p\n", sc)); 485 486 if (sc->sc_dying) 487 return (EIO); 488 489 switch (sc->sc_type) { 490 case UFTDI_TYPE_SIO: 491 switch (t->c_ospeed) { 492 case 300: rate = ftdi_sio_b300; break; 493 case 600: rate = ftdi_sio_b600; break; 494 case 1200: rate = ftdi_sio_b1200; break; 495 case 2400: rate = ftdi_sio_b2400; break; 496 case 4800: rate = ftdi_sio_b4800; break; 497 case 9600: rate = ftdi_sio_b9600; break; 498 case 19200: rate = ftdi_sio_b19200; break; 499 case 38400: rate = ftdi_sio_b38400; break; 500 case 57600: rate = ftdi_sio_b57600; break; 501 case 115200: rate = ftdi_sio_b115200; break; 502 default: 503 return (EINVAL); 504 } 505 break; 506 507 case UFTDI_TYPE_8U232AM: 508 switch(t->c_ospeed) { 509 case 300: rate = ftdi_8u232am_b300; break; 510 case 600: rate = ftdi_8u232am_b600; break; 511 case 1200: rate = ftdi_8u232am_b1200; break; 512 case 2400: rate = ftdi_8u232am_b2400; break; 513 case 4800: rate = ftdi_8u232am_b4800; break; 514 case 9600: rate = ftdi_8u232am_b9600; break; 515 case 19200: rate = ftdi_8u232am_b19200; break; 516 case 38400: rate = ftdi_8u232am_b38400; break; 517 case 57600: rate = ftdi_8u232am_b57600; break; 518 case 115200: rate = ftdi_8u232am_b115200; break; 519 case 230400: rate = ftdi_8u232am_b230400; break; 520 case 460800: rate = ftdi_8u232am_b460800; break; 521 case 921600: rate = ftdi_8u232am_b921600; break; 522 default: 523 return (EINVAL); 524 } 525 break; 526 527 default: 528 return (EINVAL); 529 } 530 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 531 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 532 USETW(req.wValue, rate); 533 USETW(req.wIndex, portno); 534 USETW(req.wLength, 0); 535 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 536 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 537 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 538 err = usbd_do_request(sc->sc_udev, &req, NULL); 539 if (err) 540 return (EIO); 541 542 if (ISSET(t->c_cflag, CSTOPB)) 543 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 544 else 545 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 546 if (ISSET(t->c_cflag, PARENB)) { 547 if (ISSET(t->c_cflag, PARODD)) 548 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 549 else 550 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 551 } else 552 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 553 switch (ISSET(t->c_cflag, CSIZE)) { 554 case CS5: 555 data |= FTDI_SIO_SET_DATA_BITS(5); 556 break; 557 case CS6: 558 data |= FTDI_SIO_SET_DATA_BITS(6); 559 break; 560 case CS7: 561 data |= FTDI_SIO_SET_DATA_BITS(7); 562 break; 563 case CS8: 564 data |= FTDI_SIO_SET_DATA_BITS(8); 565 break; 566 } 567 sc->last_lcr = data; 568 569 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 570 req.bRequest = FTDI_SIO_SET_DATA; 571 USETW(req.wValue, data); 572 USETW(req.wIndex, portno); 573 USETW(req.wLength, 0); 574 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 575 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 576 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 577 err = usbd_do_request(sc->sc_udev, &req, NULL); 578 if (err) 579 return (EIO); 580 581 if (ISSET(t->c_cflag, CRTSCTS)) { 582 flow = FTDI_SIO_RTS_CTS_HS; 583 USETW(req.wValue, 0); 584 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 585 flow = FTDI_SIO_XON_XOFF_HS; 586 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 587 } else { 588 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 589 USETW(req.wValue, 0); 590 } 591 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 592 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 593 USETW2(req.wIndex, flow, portno); 594 USETW(req.wLength, 0); 595 err = usbd_do_request(sc->sc_udev, &req, NULL); 596 if (err) 597 return (EIO); 598 599 return (0); 600 } 601 602 void 603 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 604 { 605 struct uftdi_softc *sc = vsc; 606 607 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 608 sc->sc_msr, sc->sc_lsr)); 609 610 if (msr != NULL) 611 *msr = sc->sc_msr; 612 if (lsr != NULL) 613 *lsr = sc->sc_lsr; 614 } 615 616 void 617 uftdi_break(void *vsc, int portno, int onoff) 618 { 619 struct uftdi_softc *sc = vsc; 620 usb_device_request_t req; 621 int data; 622 623 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 624 onoff)); 625 626 if (onoff) { 627 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 628 } else { 629 data = sc->last_lcr; 630 } 631 632 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 633 req.bRequest = FTDI_SIO_SET_DATA; 634 USETW(req.wValue, data); 635 USETW(req.wIndex, portno); 636 USETW(req.wLength, 0); 637 (void)usbd_do_request(sc->sc_udev, &req, NULL); 638 } 639
Indexes created Tue Sep 30 07:10:03 GMT 2025