uftdi.c revision 1.35
1 /* $NetBSD: uftdi.c,v 1.35 2008/02/18 05:31:24 dyoung 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 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: uftdi.c,v 1.35 2008/02/18 05:31:24 dyoung Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/device.h> 50 #include <sys/conf.h> 51 #include <sys/tty.h> 52 53 #include <dev/usb/usb.h> 54 55 #include <dev/usb/usbdi.h> 56 #include <dev/usb/usbdi_util.h> 57 #include <dev/usb/usbdevs.h> 58 59 #include <dev/usb/ucomvar.h> 60 61 #include <dev/usb/uftdireg.h> 62 63 #ifdef UFTDI_DEBUG 64 #define DPRINTF(x) if (uftdidebug) printf x 65 #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x 66 int uftdidebug = 0; 67 #else 68 #define DPRINTF(x) 69 #define DPRINTFN(n,x) 70 #endif 71 72 #define UFTDI_CONFIG_INDEX 0 73 #define UFTDI_IFACE_INDEX 0 74 #define UFTDI_MAX_PORTS 2 75 76 /* 77 * These are the maximum number of bytes transferred per frame. 78 * The output buffer size cannot be increased due to the size encoding. 79 */ 80 #define UFTDIIBUFSIZE 64 81 #define UFTDIOBUFSIZE 64 82 83 struct uftdi_softc { 84 USBBASEDEVICE sc_dev; /* base device */ 85 usbd_device_handle sc_udev; /* device */ 86 usbd_interface_handle sc_iface[UFTDI_MAX_PORTS]; /* interface */ 87 88 enum uftdi_type sc_type; 89 u_int sc_hdrlen; 90 u_int sc_numports; 91 92 u_char sc_msr; 93 u_char sc_lsr; 94 95 device_ptr_t sc_subdev[UFTDI_MAX_PORTS]; 96 97 u_char sc_dying; 98 99 u_int last_lcr; 100 }; 101 102 Static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr); 103 Static void uftdi_set(void *, int, int, int); 104 Static int uftdi_param(void *, int, struct termios *); 105 Static int uftdi_open(void *sc, int portno); 106 Static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count); 107 Static void uftdi_write(void *sc, int portno, u_char *to, u_char *from, 108 u_int32_t *count); 109 Static void uftdi_break(void *sc, int portno, int onoff); 110 111 struct ucom_methods uftdi_methods = { 112 uftdi_get_status, 113 uftdi_set, 114 uftdi_param, 115 NULL, 116 uftdi_open, 117 NULL, 118 uftdi_read, 119 uftdi_write, 120 }; 121 122 /* 123 * The devices default to UFTDI_TYPE_8U232AM. 124 * Remember to update USB_ATTACH if it should be UFTDI_TYPE_SIO instead 125 */ 126 static const struct usb_devno uftdi_devs[] = { 127 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 128 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 129 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 152 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 153 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 154 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 155 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 156 }; 157 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 158 159 int uftdi_match(device_t, struct cfdata *, void *); 160 void uftdi_attach(device_t, device_t, void *); 161 void uftdi_childdet(device_t, device_t); 162 int uftdi_detach(device_t, int); 163 int uftdi_activate(device_t, enum devact); 164 extern struct cfdriver uftdi_cd; 165 CFATTACH_DECL2(uftdi, sizeof(struct uftdi_softc), uftdi_match, 166 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 167 168 USB_MATCH(uftdi) 169 { 170 USB_MATCH_START(uftdi, uaa); 171 172 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 173 uaa->vendor, uaa->product)); 174 175 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 176 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 177 } 178 179 USB_ATTACH(uftdi) 180 { 181 USB_ATTACH_START(uftdi, sc, uaa); 182 usbd_device_handle dev = uaa->device; 183 usbd_interface_handle iface; 184 usb_interface_descriptor_t *id; 185 usb_endpoint_descriptor_t *ed; 186 char *devinfop; 187 char *devname = USBDEVNAME(sc->sc_dev); 188 int i,idx; 189 usbd_status err; 190 struct ucom_attach_args uca; 191 192 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 193 194 /* Move the device into the configured state. */ 195 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 196 if (err) { 197 printf("\n%s: failed to set configuration, err=%s\n", 198 devname, usbd_errstr(err)); 199 goto bad; 200 } 201 202 devinfop = usbd_devinfo_alloc(dev, 0); 203 USB_ATTACH_SETUP; 204 printf("%s: %s\n", devname, devinfop); 205 usbd_devinfo_free(devinfop); 206 207 sc->sc_udev = dev; 208 sc->sc_numports = 1; 209 switch( uaa->vendor ) { 210 case USB_VENDOR_FTDI: 211 switch (uaa->product) { 212 case USB_PRODUCT_FTDI_SERIAL_8U100AX: 213 sc->sc_type = UFTDI_TYPE_SIO; 214 sc->sc_hdrlen = 1; 215 break; 216 case USB_PRODUCT_FTDI_SERIAL_2232C: 217 sc->sc_numports = 2; 218 /* FALLTHROUGH */ 219 default: /* Most uftdi devices are 8U232AM */ 220 sc->sc_type = UFTDI_TYPE_8U232AM; 221 sc->sc_hdrlen = 0; 222 } 223 break; 224 default: /* Most uftdi devices are 8U232AM */ 225 sc->sc_type = UFTDI_TYPE_8U232AM; 226 sc->sc_hdrlen = 0; 227 } 228 229 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 230 err = usbd_device2interface_handle(dev, idx, &iface); 231 if (err) { 232 printf("\n%s: failed to get interface idx=%d, err=%s\n", 233 devname, idx, usbd_errstr(err)); 234 goto bad; 235 } 236 237 id = usbd_get_interface_descriptor(iface); 238 239 sc->sc_iface[idx] = iface; 240 241 uca.bulkin = uca.bulkout = -1; 242 for (i = 0; i < id->bNumEndpoints; i++) { 243 int addr, dir, attr; 244 ed = usbd_interface2endpoint_descriptor(iface, i); 245 if (ed == NULL) { 246 printf("%s: could not read endpoint descriptor" 247 ": %s\n", devname, usbd_errstr(err)); 248 goto bad; 249 } 250 251 addr = ed->bEndpointAddress; 252 dir = UE_GET_DIR(ed->bEndpointAddress); 253 attr = ed->bmAttributes & UE_XFERTYPE; 254 if (dir == UE_DIR_IN && attr == UE_BULK) 255 uca.bulkin = addr; 256 else if (dir == UE_DIR_OUT && attr == UE_BULK) 257 uca.bulkout = addr; 258 else { 259 printf("%s: unexpected endpoint\n", devname); 260 goto bad; 261 } 262 } 263 if (uca.bulkin == -1) { 264 printf("%s: Could not find data bulk in\n", 265 USBDEVNAME(sc->sc_dev)); 266 goto bad; 267 } 268 if (uca.bulkout == -1) { 269 printf("%s: Could not find data bulk out\n", 270 USBDEVNAME(sc->sc_dev)); 271 goto bad; 272 } 273 274 uca.portno = FTDI_PIT_SIOA + idx; 275 /* bulkin, bulkout set above */ 276 uca.ibufsize = UFTDIIBUFSIZE; 277 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 278 uca.ibufsizepad = UFTDIIBUFSIZE; 279 uca.opkthdrlen = sc->sc_hdrlen; 280 uca.device = dev; 281 uca.iface = iface; 282 uca.methods = &uftdi_methods; 283 uca.arg = sc; 284 uca.info = NULL; 285 286 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 287 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, &uca, 288 ucomprint, ucomsubmatch); 289 } 290 291 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 292 USBDEV(sc->sc_dev)); 293 294 USB_ATTACH_SUCCESS_RETURN; 295 296 bad: 297 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 298 sc->sc_dying = 1; 299 USB_ATTACH_ERROR_RETURN; 300 } 301 302 int 303 uftdi_activate(device_ptr_t self, enum devact act) 304 { 305 struct uftdi_softc *sc = (struct uftdi_softc *)self; 306 int rv = 0,i; 307 308 switch (act) { 309 case DVACT_ACTIVATE: 310 return (EOPNOTSUPP); 311 312 case DVACT_DEACTIVATE: 313 for (i=0; i < sc->sc_numports; i++) 314 if (sc->sc_subdev[i] != NULL) 315 rv = config_deactivate(sc->sc_subdev[i]); 316 sc->sc_dying = 1; 317 break; 318 } 319 return (rv); 320 } 321 322 void 323 uftdi_childdet(device_t self, device_t child) 324 { 325 int i; 326 struct uftdi_softc *sc = device_private(self); 327 328 for (i = 0; i < sc->sc_numports; i++) { 329 if (sc->sc_subdev[i] == child) 330 break; 331 } 332 KASSERT(i < sc->sc_numports); 333 sc->sc_subdev[i] = NULL; 334 } 335 336 int 337 uftdi_detach(device_t self, int flags) 338 { 339 struct uftdi_softc *sc = device_private(self); 340 int i; 341 342 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 343 sc->sc_dying = 1; 344 for (i=0; i < sc->sc_numports; i++) { 345 if (sc->sc_subdev[i] != NULL) 346 config_detach(sc->sc_subdev[i], flags); 347 } 348 349 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 350 USBDEV(sc->sc_dev)); 351 352 return (0); 353 } 354 355 Static int 356 uftdi_open(void *vsc, int portno) 357 { 358 struct uftdi_softc *sc = vsc; 359 usb_device_request_t req; 360 usbd_status err; 361 struct termios t; 362 363 DPRINTF(("uftdi_open: sc=%p\n", sc)); 364 365 if (sc->sc_dying) 366 return (EIO); 367 368 /* Perform a full reset on the device */ 369 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 370 req.bRequest = FTDI_SIO_RESET; 371 USETW(req.wValue, FTDI_SIO_RESET_SIO); 372 USETW(req.wIndex, portno); 373 USETW(req.wLength, 0); 374 err = usbd_do_request(sc->sc_udev, &req, NULL); 375 if (err) 376 return (EIO); 377 378 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 379 t.c_ospeed = 9600; 380 t.c_cflag = CSTOPB | CS8; 381 (void)uftdi_param(sc, portno, &t); 382 383 /* Turn on RTS/CTS flow control */ 384 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 385 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 386 USETW(req.wValue, 0); 387 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 388 USETW(req.wLength, 0); 389 err = usbd_do_request(sc->sc_udev, &req, NULL); 390 if (err) 391 return (EIO); 392 393 return (0); 394 } 395 396 Static void 397 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 398 { 399 struct uftdi_softc *sc = vsc; 400 u_char msr, lsr; 401 402 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 403 *count)); 404 405 msr = FTDI_GET_MSR(*ptr); 406 lsr = FTDI_GET_LSR(*ptr); 407 408 #ifdef UFTDI_DEBUG 409 if (*count != 2) 410 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 411 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 412 #endif 413 414 if (sc->sc_msr != msr || 415 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 416 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 417 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 418 lsr, sc->sc_lsr)); 419 sc->sc_msr = msr; 420 sc->sc_lsr = lsr; 421 ucom_status_change((struct ucom_softc *)sc->sc_subdev[portno-1]); 422 } 423 424 /* Pick up status and adjust data part. */ 425 *ptr += 2; 426 *count -= 2; 427 } 428 429 Static void 430 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 431 { 432 struct uftdi_softc *sc = vsc; 433 434 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 435 vsc, portno, *count, from[0])); 436 437 /* Make length tag and copy data */ 438 if (sc->sc_hdrlen > 0) 439 *to = FTDI_OUT_TAG(*count, portno); 440 441 memcpy(to + sc->sc_hdrlen, from, *count); 442 *count += sc->sc_hdrlen; 443 } 444 445 Static void 446 uftdi_set(void *vsc, int portno, int reg, int onoff) 447 { 448 struct uftdi_softc *sc = vsc; 449 usb_device_request_t req; 450 int ctl; 451 452 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 453 reg, onoff)); 454 455 switch (reg) { 456 case UCOM_SET_DTR: 457 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 458 break; 459 case UCOM_SET_RTS: 460 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 461 break; 462 case UCOM_SET_BREAK: 463 uftdi_break(sc, portno, onoff); 464 return; 465 default: 466 return; 467 } 468 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 469 req.bRequest = FTDI_SIO_MODEM_CTRL; 470 USETW(req.wValue, ctl); 471 USETW(req.wIndex, portno); 472 USETW(req.wLength, 0); 473 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 474 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 475 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 476 (void)usbd_do_request(sc->sc_udev, &req, NULL); 477 } 478 479 Static int 480 uftdi_param(void *vsc, int portno, struct termios *t) 481 { 482 struct uftdi_softc *sc = vsc; 483 usb_device_request_t req; 484 usbd_status err; 485 int rate, data, flow; 486 487 DPRINTF(("uftdi_param: sc=%p\n", sc)); 488 489 if (sc->sc_dying) 490 return (EIO); 491 492 switch (sc->sc_type) { 493 case UFTDI_TYPE_SIO: 494 switch (t->c_ospeed) { 495 case 300: rate = ftdi_sio_b300; break; 496 case 600: rate = ftdi_sio_b600; break; 497 case 1200: rate = ftdi_sio_b1200; break; 498 case 2400: rate = ftdi_sio_b2400; break; 499 case 4800: rate = ftdi_sio_b4800; break; 500 case 9600: rate = ftdi_sio_b9600; break; 501 case 19200: rate = ftdi_sio_b19200; break; 502 case 38400: rate = ftdi_sio_b38400; break; 503 case 57600: rate = ftdi_sio_b57600; break; 504 case 115200: rate = ftdi_sio_b115200; break; 505 default: 506 return (EINVAL); 507 } 508 break; 509 510 case UFTDI_TYPE_8U232AM: 511 switch(t->c_ospeed) { 512 case 300: rate = ftdi_8u232am_b300; break; 513 case 600: rate = ftdi_8u232am_b600; break; 514 case 1200: rate = ftdi_8u232am_b1200; break; 515 case 2400: rate = ftdi_8u232am_b2400; break; 516 case 4800: rate = ftdi_8u232am_b4800; break; 517 case 9600: rate = ftdi_8u232am_b9600; break; 518 case 19200: rate = ftdi_8u232am_b19200; break; 519 case 38400: rate = ftdi_8u232am_b38400; break; 520 case 57600: rate = ftdi_8u232am_b57600; break; 521 case 115200: rate = ftdi_8u232am_b115200; break; 522 case 230400: rate = ftdi_8u232am_b230400; break; 523 case 460800: rate = ftdi_8u232am_b460800; break; 524 case 921600: rate = ftdi_8u232am_b921600; break; 525 default: 526 return (EINVAL); 527 } 528 break; 529 530 default: 531 return (EINVAL); 532 } 533 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 534 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 535 USETW(req.wValue, rate); 536 USETW(req.wIndex, portno); 537 USETW(req.wLength, 0); 538 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 539 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 540 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 541 err = usbd_do_request(sc->sc_udev, &req, NULL); 542 if (err) 543 return (EIO); 544 545 if (ISSET(t->c_cflag, CSTOPB)) 546 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 547 else 548 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 549 if (ISSET(t->c_cflag, PARENB)) { 550 if (ISSET(t->c_cflag, PARODD)) 551 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 552 else 553 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 554 } else 555 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 556 switch (ISSET(t->c_cflag, CSIZE)) { 557 case CS5: 558 data |= FTDI_SIO_SET_DATA_BITS(5); 559 break; 560 case CS6: 561 data |= FTDI_SIO_SET_DATA_BITS(6); 562 break; 563 case CS7: 564 data |= FTDI_SIO_SET_DATA_BITS(7); 565 break; 566 case CS8: 567 data |= FTDI_SIO_SET_DATA_BITS(8); 568 break; 569 } 570 sc->last_lcr = data; 571 572 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 573 req.bRequest = FTDI_SIO_SET_DATA; 574 USETW(req.wValue, data); 575 USETW(req.wIndex, portno); 576 USETW(req.wLength, 0); 577 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 578 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 579 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 580 err = usbd_do_request(sc->sc_udev, &req, NULL); 581 if (err) 582 return (EIO); 583 584 if (ISSET(t->c_cflag, CRTSCTS)) { 585 flow = FTDI_SIO_RTS_CTS_HS; 586 USETW(req.wValue, 0); 587 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 588 flow = FTDI_SIO_XON_XOFF_HS; 589 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 590 } else { 591 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 592 USETW(req.wValue, 0); 593 } 594 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 595 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 596 USETW2(req.wIndex, flow, portno); 597 USETW(req.wLength, 0); 598 err = usbd_do_request(sc->sc_udev, &req, NULL); 599 if (err) 600 return (EIO); 601 602 return (0); 603 } 604 605 void 606 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 607 { 608 struct uftdi_softc *sc = vsc; 609 610 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 611 sc->sc_msr, sc->sc_lsr)); 612 613 if (msr != NULL) 614 *msr = sc->sc_msr; 615 if (lsr != NULL) 616 *lsr = sc->sc_lsr; 617 } 618 619 void 620 uftdi_break(void *vsc, int portno, int onoff) 621 { 622 struct uftdi_softc *sc = vsc; 623 usb_device_request_t req; 624 int data; 625 626 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 627 onoff)); 628 629 if (onoff) { 630 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 631 } else { 632 data = sc->last_lcr; 633 } 634 635 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 636 req.bRequest = FTDI_SIO_SET_DATA; 637 USETW(req.wValue, data); 638 USETW(req.wIndex, portno); 639 USETW(req.wLength, 0); 640 (void)usbd_do_request(sc->sc_udev, &req, NULL); 641 } 642
Indexes created Mon Sep 29 21:09:56 GMT 2025