uftdi.c revision 1.47
1 /* $NetBSD: uftdi.c,v 1.47 2010/11/03 22:34:23 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 * 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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: uftdi.c,v 1.47 2010/11/03 22:34:23 dyoung Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/device.h> 39 #include <sys/conf.h> 40 #include <sys/tty.h> 41 42 #include <dev/usb/usb.h> 43 44 #include <dev/usb/usbdi.h> 45 #include <dev/usb/usbdi_util.h> 46 #include <dev/usb/usbdevs.h> 47 48 #include <dev/usb/ucomvar.h> 49 50 #include <dev/usb/uftdireg.h> 51 52 #ifdef UFTDI_DEBUG 53 #define DPRINTF(x) if (uftdidebug) printf x 54 #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x 55 int uftdidebug = 0; 56 #else 57 #define DPRINTF(x) 58 #define DPRINTFN(n,x) 59 #endif 60 61 #define UFTDI_CONFIG_INDEX 0 62 #define UFTDI_IFACE_INDEX 0 63 #define UFTDI_MAX_PORTS 4 64 65 /* 66 * These are the maximum number of bytes transferred per frame. 67 * The output buffer size cannot be increased due to the size encoding. 68 */ 69 #define UFTDIIBUFSIZE 64 70 #define UFTDIOBUFSIZE 64 71 72 struct uftdi_softc { 73 device_t sc_dev; /* base device */ 74 usbd_device_handle sc_udev; /* device */ 75 usbd_interface_handle sc_iface[UFTDI_MAX_PORTS]; /* interface */ 76 77 enum uftdi_type sc_type; 78 u_int sc_hdrlen; 79 u_int sc_numports; 80 u_int sc_chiptype; 81 82 u_char sc_msr; 83 u_char sc_lsr; 84 85 device_t sc_subdev[UFTDI_MAX_PORTS]; 86 87 u_char sc_dying; 88 89 u_int last_lcr; 90 91 }; 92 93 Static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr); 94 Static void uftdi_set(void *, int, int, int); 95 Static int uftdi_param(void *, int, struct termios *); 96 Static int uftdi_open(void *sc, int portno); 97 Static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count); 98 Static void uftdi_write(void *sc, int portno, u_char *to, u_char *from, 99 u_int32_t *count); 100 Static void uftdi_break(void *sc, int portno, int onoff); 101 102 struct ucom_methods uftdi_methods = { 103 uftdi_get_status, 104 uftdi_set, 105 uftdi_param, 106 NULL, 107 uftdi_open, 108 NULL, 109 uftdi_read, 110 uftdi_write, 111 }; 112 113 /* 114 * The devices default to UFTDI_TYPE_8U232AM. 115 * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead 116 */ 117 static const struct usb_devno uftdi_devs[] = { 118 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 119 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 120 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 121 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 122 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, 123 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 124 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 125 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 126 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 127 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 128 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 146 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 147 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 148 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 149 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 150 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 151 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 152 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 153 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 154 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 155 }; 156 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 157 158 int uftdi_match(device_t, cfdata_t, void *); 159 void uftdi_attach(device_t, device_t, void *); 160 void uftdi_childdet(device_t, device_t); 161 int uftdi_detach(device_t, int); 162 int uftdi_activate(device_t, enum devact); 163 extern struct cfdriver uftdi_cd; 164 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 165 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 166 167 int 168 uftdi_match(device_t parent, cfdata_t match, void *aux) 169 { 170 struct usb_attach_arg *uaa = aux; 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 void 180 uftdi_attach(device_t parent, device_t self, void *aux) 181 { 182 struct uftdi_softc *sc = device_private(self); 183 struct usb_attach_arg *uaa = aux; 184 usbd_device_handle dev = uaa->device; 185 usbd_interface_handle iface; 186 usb_device_descriptor_t *ddesc; 187 usb_interface_descriptor_t *id; 188 usb_endpoint_descriptor_t *ed; 189 char *devinfop; 190 const char *devname = device_xname(self); 191 int i,idx; 192 usbd_status err; 193 struct ucom_attach_args uca; 194 195 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 196 197 aprint_naive("\n"); 198 aprint_normal("\n"); 199 200 devinfop = usbd_devinfo_alloc(dev, 0); 201 aprint_normal_dev(self, "%s\n", devinfop); 202 usbd_devinfo_free(devinfop); 203 204 /* Move the device into the configured state. */ 205 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 206 if (err) { 207 aprint_error("\n%s: failed to set configuration, err=%s\n", 208 devname, usbd_errstr(err)); 209 goto bad; 210 } 211 212 sc->sc_dev = self; 213 sc->sc_udev = dev; 214 sc->sc_numports = 1; 215 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 216 sc->sc_hdrlen = 0; 217 if (uaa->vendor == USB_VENDOR_FTDI 218 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 219 sc->sc_type = UFTDI_TYPE_SIO; 220 sc->sc_hdrlen = 1; 221 } 222 223 ddesc = usbd_get_device_descriptor(dev); 224 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 225 switch (sc->sc_chiptype) { 226 case 0x500: /* 2232D */ 227 case 0x700: /* 2232H */ 228 sc->sc_numports = 2; 229 break; 230 case 0x800: /* 4232H */ 231 sc->sc_numports = 4; 232 break; 233 case 0x200: /* 232/245AM */ 234 case 0x400: /* 232/245BL */ 235 case 0x600: /* 232/245R */ 236 default: 237 break; 238 } 239 240 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 241 err = usbd_device2interface_handle(dev, idx, &iface); 242 if (err) { 243 aprint_error( 244 "\n%s: failed to get interface idx=%d, err=%s\n", 245 devname, idx, usbd_errstr(err)); 246 goto bad; 247 } 248 249 id = usbd_get_interface_descriptor(iface); 250 251 sc->sc_iface[idx] = iface; 252 253 uca.bulkin = uca.bulkout = -1; 254 for (i = 0; i < id->bNumEndpoints; i++) { 255 int addr, dir, attr; 256 ed = usbd_interface2endpoint_descriptor(iface, i); 257 if (ed == NULL) { 258 aprint_error_dev(self, 259 "could not read endpoint descriptor: %s\n", 260 usbd_errstr(err)); 261 goto bad; 262 } 263 264 addr = ed->bEndpointAddress; 265 dir = UE_GET_DIR(ed->bEndpointAddress); 266 attr = ed->bmAttributes & UE_XFERTYPE; 267 if (dir == UE_DIR_IN && attr == UE_BULK) 268 uca.bulkin = addr; 269 else if (dir == UE_DIR_OUT && attr == UE_BULK) 270 uca.bulkout = addr; 271 else { 272 aprint_error_dev(self, 273 "unexpected endpoint\n"); 274 goto bad; 275 } 276 } 277 if (uca.bulkin == -1) { 278 aprint_error_dev(self, 279 "Could not find data bulk in\n"); 280 goto bad; 281 } 282 if (uca.bulkout == -1) { 283 aprint_error_dev(self, 284 "Could not find data bulk out\n"); 285 goto bad; 286 } 287 288 uca.portno = FTDI_PIT_SIOA + idx; 289 /* bulkin, bulkout set above */ 290 uca.ibufsize = UFTDIIBUFSIZE; 291 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 292 uca.ibufsizepad = UFTDIIBUFSIZE; 293 uca.opkthdrlen = sc->sc_hdrlen; 294 uca.device = dev; 295 uca.iface = iface; 296 uca.methods = &uftdi_methods; 297 uca.arg = sc; 298 uca.info = NULL; 299 300 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 301 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 302 &uca, ucomprint, ucomsubmatch); 303 } 304 305 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 306 sc->sc_dev); 307 308 return; 309 310 bad: 311 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 312 sc->sc_dying = 1; 313 return; 314 } 315 316 int 317 uftdi_activate(device_t self, enum devact act) 318 { 319 struct uftdi_softc *sc = device_private(self); 320 321 switch (act) { 322 case DVACT_DEACTIVATE: 323 sc->sc_dying = 1; 324 return 0; 325 default: 326 return EOPNOTSUPP; 327 } 328 } 329 330 void 331 uftdi_childdet(device_t self, device_t child) 332 { 333 int i; 334 struct uftdi_softc *sc = device_private(self); 335 336 for (i = 0; i < sc->sc_numports; i++) { 337 if (sc->sc_subdev[i] == child) 338 break; 339 } 340 KASSERT(i < sc->sc_numports); 341 sc->sc_subdev[i] = NULL; 342 } 343 344 int 345 uftdi_detach(device_t self, int flags) 346 { 347 struct uftdi_softc *sc = device_private(self); 348 int i; 349 350 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 351 sc->sc_dying = 1; 352 for (i=0; i < sc->sc_numports; i++) { 353 if (sc->sc_subdev[i] != NULL) 354 config_detach(sc->sc_subdev[i], flags); 355 } 356 357 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 358 sc->sc_dev); 359 360 return (0); 361 } 362 363 Static int 364 uftdi_open(void *vsc, int portno) 365 { 366 struct uftdi_softc *sc = vsc; 367 usb_device_request_t req; 368 usbd_status err; 369 struct termios t; 370 371 DPRINTF(("uftdi_open: sc=%p\n", sc)); 372 373 if (sc->sc_dying) 374 return (EIO); 375 376 /* Perform a full reset on the device */ 377 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 378 req.bRequest = FTDI_SIO_RESET; 379 USETW(req.wValue, FTDI_SIO_RESET_SIO); 380 USETW(req.wIndex, portno); 381 USETW(req.wLength, 0); 382 err = usbd_do_request(sc->sc_udev, &req, NULL); 383 if (err) 384 return (EIO); 385 386 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 387 t.c_ospeed = 9600; 388 t.c_cflag = CSTOPB | CS8; 389 (void)uftdi_param(sc, portno, &t); 390 391 /* Turn on RTS/CTS flow control */ 392 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 393 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 394 USETW(req.wValue, 0); 395 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 396 USETW(req.wLength, 0); 397 err = usbd_do_request(sc->sc_udev, &req, NULL); 398 if (err) 399 return (EIO); 400 401 return (0); 402 } 403 404 Static void 405 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 406 { 407 struct uftdi_softc *sc = vsc; 408 u_char msr, lsr; 409 410 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 411 *count)); 412 413 msr = FTDI_GET_MSR(*ptr); 414 lsr = FTDI_GET_LSR(*ptr); 415 416 #ifdef UFTDI_DEBUG 417 if (*count != 2) 418 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 419 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 420 #endif 421 422 if (sc->sc_msr != msr || 423 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 424 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 425 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 426 lsr, sc->sc_lsr)); 427 sc->sc_msr = msr; 428 sc->sc_lsr = lsr; 429 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 430 } 431 432 /* Adjust buffer pointer to skip status prefix */ 433 *ptr += 2; 434 } 435 436 Static void 437 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 438 { 439 struct uftdi_softc *sc = vsc; 440 441 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 442 vsc, portno, *count, from[0])); 443 444 /* Make length tag and copy data */ 445 if (sc->sc_hdrlen > 0) 446 *to = FTDI_OUT_TAG(*count, portno); 447 448 memcpy(to + sc->sc_hdrlen, from, *count); 449 *count += sc->sc_hdrlen; 450 } 451 452 Static void 453 uftdi_set(void *vsc, int portno, int reg, int onoff) 454 { 455 struct uftdi_softc *sc = vsc; 456 usb_device_request_t req; 457 int ctl; 458 459 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 460 reg, onoff)); 461 462 switch (reg) { 463 case UCOM_SET_DTR: 464 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 465 break; 466 case UCOM_SET_RTS: 467 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 468 break; 469 case UCOM_SET_BREAK: 470 uftdi_break(sc, portno, onoff); 471 return; 472 default: 473 return; 474 } 475 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 476 req.bRequest = FTDI_SIO_MODEM_CTRL; 477 USETW(req.wValue, ctl); 478 USETW(req.wIndex, portno); 479 USETW(req.wLength, 0); 480 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 481 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 482 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 483 (void)usbd_do_request(sc->sc_udev, &req, NULL); 484 } 485 486 Static int 487 uftdi_param(void *vsc, int portno, struct termios *t) 488 { 489 struct uftdi_softc *sc = vsc; 490 usb_device_request_t req; 491 usbd_status err; 492 int rate, data, flow; 493 494 DPRINTF(("uftdi_param: sc=%p\n", sc)); 495 496 if (sc->sc_dying) 497 return (EIO); 498 499 switch (sc->sc_type) { 500 case UFTDI_TYPE_SIO: 501 switch (t->c_ospeed) { 502 case 300: rate = ftdi_sio_b300; break; 503 case 600: rate = ftdi_sio_b600; break; 504 case 1200: rate = ftdi_sio_b1200; break; 505 case 2400: rate = ftdi_sio_b2400; break; 506 case 4800: rate = ftdi_sio_b4800; break; 507 case 9600: rate = ftdi_sio_b9600; break; 508 case 19200: rate = ftdi_sio_b19200; break; 509 case 38400: rate = ftdi_sio_b38400; break; 510 case 57600: rate = ftdi_sio_b57600; break; 511 case 115200: rate = ftdi_sio_b115200; break; 512 default: 513 return (EINVAL); 514 } 515 break; 516 517 case UFTDI_TYPE_8U232AM: 518 switch(t->c_ospeed) { 519 case 300: rate = ftdi_8u232am_b300; break; 520 case 600: rate = ftdi_8u232am_b600; break; 521 case 1200: rate = ftdi_8u232am_b1200; break; 522 case 2400: rate = ftdi_8u232am_b2400; break; 523 case 4800: rate = ftdi_8u232am_b4800; break; 524 case 9600: rate = ftdi_8u232am_b9600; break; 525 case 19200: rate = ftdi_8u232am_b19200; break; 526 case 38400: rate = ftdi_8u232am_b38400; break; 527 case 57600: rate = ftdi_8u232am_b57600; break; 528 case 115200: rate = ftdi_8u232am_b115200; break; 529 case 230400: rate = ftdi_8u232am_b230400; break; 530 case 460800: rate = ftdi_8u232am_b460800; break; 531 case 921600: rate = ftdi_8u232am_b921600; break; 532 default: 533 return (EINVAL); 534 } 535 break; 536 537 default: 538 return (EINVAL); 539 } 540 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 541 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 542 USETW(req.wValue, rate); 543 USETW(req.wIndex, portno); 544 USETW(req.wLength, 0); 545 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 546 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 547 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 548 err = usbd_do_request(sc->sc_udev, &req, NULL); 549 if (err) 550 return (EIO); 551 552 if (ISSET(t->c_cflag, CSTOPB)) 553 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 554 else 555 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 556 if (ISSET(t->c_cflag, PARENB)) { 557 if (ISSET(t->c_cflag, PARODD)) 558 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 559 else 560 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 561 } else 562 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 563 switch (ISSET(t->c_cflag, CSIZE)) { 564 case CS5: 565 data |= FTDI_SIO_SET_DATA_BITS(5); 566 break; 567 case CS6: 568 data |= FTDI_SIO_SET_DATA_BITS(6); 569 break; 570 case CS7: 571 data |= FTDI_SIO_SET_DATA_BITS(7); 572 break; 573 case CS8: 574 data |= FTDI_SIO_SET_DATA_BITS(8); 575 break; 576 } 577 sc->last_lcr = data; 578 579 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 580 req.bRequest = FTDI_SIO_SET_DATA; 581 USETW(req.wValue, data); 582 USETW(req.wIndex, portno); 583 USETW(req.wLength, 0); 584 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 585 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 586 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 587 err = usbd_do_request(sc->sc_udev, &req, NULL); 588 if (err) 589 return (EIO); 590 591 if (ISSET(t->c_cflag, CRTSCTS)) { 592 flow = FTDI_SIO_RTS_CTS_HS; 593 USETW(req.wValue, 0); 594 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 595 flow = FTDI_SIO_XON_XOFF_HS; 596 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 597 } else { 598 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 599 USETW(req.wValue, 0); 600 } 601 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 602 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 603 USETW2(req.wIndex, flow, portno); 604 USETW(req.wLength, 0); 605 err = usbd_do_request(sc->sc_udev, &req, NULL); 606 if (err) 607 return (EIO); 608 609 return (0); 610 } 611 612 void 613 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 614 { 615 struct uftdi_softc *sc = vsc; 616 617 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 618 sc->sc_msr, sc->sc_lsr)); 619 620 if (msr != NULL) 621 *msr = sc->sc_msr; 622 if (lsr != NULL) 623 *lsr = sc->sc_lsr; 624 } 625 626 void 627 uftdi_break(void *vsc, int portno, int onoff) 628 { 629 struct uftdi_softc *sc = vsc; 630 usb_device_request_t req; 631 int data; 632 633 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 634 onoff)); 635 636 if (onoff) { 637 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 638 } else { 639 data = sc->last_lcr; 640 } 641 642 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 643 req.bRequest = FTDI_SIO_SET_DATA; 644 USETW(req.wValue, data); 645 USETW(req.wIndex, portno); 646 USETW(req.wLength, 0); 647 (void)usbd_do_request(sc->sc_udev, &req, NULL); 648 } 649
Indexes created Tue Sep 30 20:09:53 GMT 2025