uftdi.c revision 1.46
1 /* $NetBSD: uftdi.c,v 1.46 2010/03/13 16:28:13 scw 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 1.46 2010/03/13 16:28:13 scw 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 USBBASEDEVICE 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_ptr_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 USB_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 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_device_descriptor_t *ddesc; 184 usb_interface_descriptor_t *id; 185 usb_endpoint_descriptor_t *ed; 186 char *devinfop; 187 const char *devname = device_xname(self); 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 aprint_naive("\n"); 195 aprint_normal("\n"); 196 197 devinfop = usbd_devinfo_alloc(dev, 0); 198 aprint_normal_dev(self, "%s\n", devinfop); 199 usbd_devinfo_free(devinfop); 200 201 /* Move the device into the configured state. */ 202 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 203 if (err) { 204 aprint_error("\n%s: failed to set configuration, err=%s\n", 205 devname, usbd_errstr(err)); 206 goto bad; 207 } 208 209 sc->sc_dev = self; 210 sc->sc_udev = dev; 211 sc->sc_numports = 1; 212 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 213 sc->sc_hdrlen = 0; 214 if (uaa->vendor == USB_VENDOR_FTDI 215 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 216 sc->sc_type = UFTDI_TYPE_SIO; 217 sc->sc_hdrlen = 1; 218 } 219 220 ddesc = usbd_get_device_descriptor(dev); 221 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 222 switch (sc->sc_chiptype) { 223 case 0x500: /* 2232D */ 224 case 0x700: /* 2232H */ 225 sc->sc_numports = 2; 226 break; 227 case 0x800: /* 4232H */ 228 sc->sc_numports = 4; 229 break; 230 case 0x200: /* 232/245AM */ 231 case 0x400: /* 232/245BL */ 232 case 0x600: /* 232/245R */ 233 default: 234 break; 235 } 236 237 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 238 err = usbd_device2interface_handle(dev, idx, &iface); 239 if (err) { 240 aprint_error( 241 "\n%s: failed to get interface idx=%d, err=%s\n", 242 devname, idx, usbd_errstr(err)); 243 goto bad; 244 } 245 246 id = usbd_get_interface_descriptor(iface); 247 248 sc->sc_iface[idx] = iface; 249 250 uca.bulkin = uca.bulkout = -1; 251 for (i = 0; i < id->bNumEndpoints; i++) { 252 int addr, dir, attr; 253 ed = usbd_interface2endpoint_descriptor(iface, i); 254 if (ed == NULL) { 255 aprint_error_dev(self, 256 "could not read endpoint descriptor: %s\n", 257 usbd_errstr(err)); 258 goto bad; 259 } 260 261 addr = ed->bEndpointAddress; 262 dir = UE_GET_DIR(ed->bEndpointAddress); 263 attr = ed->bmAttributes & UE_XFERTYPE; 264 if (dir == UE_DIR_IN && attr == UE_BULK) 265 uca.bulkin = addr; 266 else if (dir == UE_DIR_OUT && attr == UE_BULK) 267 uca.bulkout = addr; 268 else { 269 aprint_error_dev(self, 270 "unexpected endpoint\n"); 271 goto bad; 272 } 273 } 274 if (uca.bulkin == -1) { 275 aprint_error_dev(self, 276 "Could not find data bulk in\n"); 277 goto bad; 278 } 279 if (uca.bulkout == -1) { 280 aprint_error_dev(self, 281 "Could not find data bulk out\n"); 282 goto bad; 283 } 284 285 uca.portno = FTDI_PIT_SIOA + idx; 286 /* bulkin, bulkout set above */ 287 uca.ibufsize = UFTDIIBUFSIZE; 288 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 289 uca.ibufsizepad = UFTDIIBUFSIZE; 290 uca.opkthdrlen = sc->sc_hdrlen; 291 uca.device = dev; 292 uca.iface = iface; 293 uca.methods = &uftdi_methods; 294 uca.arg = sc; 295 uca.info = NULL; 296 297 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 298 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 299 &uca, ucomprint, ucomsubmatch); 300 } 301 302 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 303 USBDEV(sc->sc_dev)); 304 305 USB_ATTACH_SUCCESS_RETURN; 306 307 bad: 308 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 309 sc->sc_dying = 1; 310 USB_ATTACH_ERROR_RETURN; 311 } 312 313 int 314 uftdi_activate(device_t self, enum devact act) 315 { 316 struct uftdi_softc *sc = device_private(self); 317 318 switch (act) { 319 case DVACT_DEACTIVATE: 320 sc->sc_dying = 1; 321 return 0; 322 default: 323 return EOPNOTSUPP; 324 } 325 } 326 327 void 328 uftdi_childdet(device_t self, device_t child) 329 { 330 int i; 331 struct uftdi_softc *sc = device_private(self); 332 333 for (i = 0; i < sc->sc_numports; i++) { 334 if (sc->sc_subdev[i] == child) 335 break; 336 } 337 KASSERT(i < sc->sc_numports); 338 sc->sc_subdev[i] = NULL; 339 } 340 341 int 342 uftdi_detach(device_t self, int flags) 343 { 344 struct uftdi_softc *sc = device_private(self); 345 int i; 346 347 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 348 sc->sc_dying = 1; 349 for (i=0; i < sc->sc_numports; i++) { 350 if (sc->sc_subdev[i] != NULL) 351 config_detach(sc->sc_subdev[i], flags); 352 } 353 354 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 355 USBDEV(sc->sc_dev)); 356 357 return (0); 358 } 359 360 Static int 361 uftdi_open(void *vsc, int portno) 362 { 363 struct uftdi_softc *sc = vsc; 364 usb_device_request_t req; 365 usbd_status err; 366 struct termios t; 367 368 DPRINTF(("uftdi_open: sc=%p\n", sc)); 369 370 if (sc->sc_dying) 371 return (EIO); 372 373 /* Perform a full reset on the device */ 374 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 375 req.bRequest = FTDI_SIO_RESET; 376 USETW(req.wValue, FTDI_SIO_RESET_SIO); 377 USETW(req.wIndex, portno); 378 USETW(req.wLength, 0); 379 err = usbd_do_request(sc->sc_udev, &req, NULL); 380 if (err) 381 return (EIO); 382 383 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 384 t.c_ospeed = 9600; 385 t.c_cflag = CSTOPB | CS8; 386 (void)uftdi_param(sc, portno, &t); 387 388 /* Turn on RTS/CTS flow control */ 389 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 390 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 391 USETW(req.wValue, 0); 392 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 393 USETW(req.wLength, 0); 394 err = usbd_do_request(sc->sc_udev, &req, NULL); 395 if (err) 396 return (EIO); 397 398 return (0); 399 } 400 401 Static void 402 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 403 { 404 struct uftdi_softc *sc = vsc; 405 u_char msr, lsr; 406 407 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 408 *count)); 409 410 msr = FTDI_GET_MSR(*ptr); 411 lsr = FTDI_GET_LSR(*ptr); 412 413 #ifdef UFTDI_DEBUG 414 if (*count != 2) 415 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 416 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 417 #endif 418 419 if (sc->sc_msr != msr || 420 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 421 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 422 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 423 lsr, sc->sc_lsr)); 424 sc->sc_msr = msr; 425 sc->sc_lsr = lsr; 426 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 427 } 428 429 /* Adjust buffer pointer to skip status prefix */ 430 *ptr += 2; 431 } 432 433 Static void 434 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 435 { 436 struct uftdi_softc *sc = vsc; 437 438 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 439 vsc, portno, *count, from[0])); 440 441 /* Make length tag and copy data */ 442 if (sc->sc_hdrlen > 0) 443 *to = FTDI_OUT_TAG(*count, portno); 444 445 memcpy(to + sc->sc_hdrlen, from, *count); 446 *count += sc->sc_hdrlen; 447 } 448 449 Static void 450 uftdi_set(void *vsc, int portno, int reg, int onoff) 451 { 452 struct uftdi_softc *sc = vsc; 453 usb_device_request_t req; 454 int ctl; 455 456 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 457 reg, onoff)); 458 459 switch (reg) { 460 case UCOM_SET_DTR: 461 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 462 break; 463 case UCOM_SET_RTS: 464 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 465 break; 466 case UCOM_SET_BREAK: 467 uftdi_break(sc, portno, onoff); 468 return; 469 default: 470 return; 471 } 472 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 473 req.bRequest = FTDI_SIO_MODEM_CTRL; 474 USETW(req.wValue, ctl); 475 USETW(req.wIndex, portno); 476 USETW(req.wLength, 0); 477 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 478 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 479 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 480 (void)usbd_do_request(sc->sc_udev, &req, NULL); 481 } 482 483 Static int 484 uftdi_param(void *vsc, int portno, struct termios *t) 485 { 486 struct uftdi_softc *sc = vsc; 487 usb_device_request_t req; 488 usbd_status err; 489 int rate, data, flow; 490 491 DPRINTF(("uftdi_param: sc=%p\n", sc)); 492 493 if (sc->sc_dying) 494 return (EIO); 495 496 switch (sc->sc_type) { 497 case UFTDI_TYPE_SIO: 498 switch (t->c_ospeed) { 499 case 300: rate = ftdi_sio_b300; break; 500 case 600: rate = ftdi_sio_b600; break; 501 case 1200: rate = ftdi_sio_b1200; break; 502 case 2400: rate = ftdi_sio_b2400; break; 503 case 4800: rate = ftdi_sio_b4800; break; 504 case 9600: rate = ftdi_sio_b9600; break; 505 case 19200: rate = ftdi_sio_b19200; break; 506 case 38400: rate = ftdi_sio_b38400; break; 507 case 57600: rate = ftdi_sio_b57600; break; 508 case 115200: rate = ftdi_sio_b115200; break; 509 default: 510 return (EINVAL); 511 } 512 break; 513 514 case UFTDI_TYPE_8U232AM: 515 switch(t->c_ospeed) { 516 case 300: rate = ftdi_8u232am_b300; break; 517 case 600: rate = ftdi_8u232am_b600; break; 518 case 1200: rate = ftdi_8u232am_b1200; break; 519 case 2400: rate = ftdi_8u232am_b2400; break; 520 case 4800: rate = ftdi_8u232am_b4800; break; 521 case 9600: rate = ftdi_8u232am_b9600; break; 522 case 19200: rate = ftdi_8u232am_b19200; break; 523 case 38400: rate = ftdi_8u232am_b38400; break; 524 case 57600: rate = ftdi_8u232am_b57600; break; 525 case 115200: rate = ftdi_8u232am_b115200; break; 526 case 230400: rate = ftdi_8u232am_b230400; break; 527 case 460800: rate = ftdi_8u232am_b460800; break; 528 case 921600: rate = ftdi_8u232am_b921600; break; 529 default: 530 return (EINVAL); 531 } 532 break; 533 534 default: 535 return (EINVAL); 536 } 537 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 538 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 539 USETW(req.wValue, rate); 540 USETW(req.wIndex, portno); 541 USETW(req.wLength, 0); 542 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 543 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 544 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 545 err = usbd_do_request(sc->sc_udev, &req, NULL); 546 if (err) 547 return (EIO); 548 549 if (ISSET(t->c_cflag, CSTOPB)) 550 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 551 else 552 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 553 if (ISSET(t->c_cflag, PARENB)) { 554 if (ISSET(t->c_cflag, PARODD)) 555 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 556 else 557 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 558 } else 559 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 560 switch (ISSET(t->c_cflag, CSIZE)) { 561 case CS5: 562 data |= FTDI_SIO_SET_DATA_BITS(5); 563 break; 564 case CS6: 565 data |= FTDI_SIO_SET_DATA_BITS(6); 566 break; 567 case CS7: 568 data |= FTDI_SIO_SET_DATA_BITS(7); 569 break; 570 case CS8: 571 data |= FTDI_SIO_SET_DATA_BITS(8); 572 break; 573 } 574 sc->last_lcr = data; 575 576 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 577 req.bRequest = FTDI_SIO_SET_DATA; 578 USETW(req.wValue, data); 579 USETW(req.wIndex, portno); 580 USETW(req.wLength, 0); 581 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 582 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 583 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 584 err = usbd_do_request(sc->sc_udev, &req, NULL); 585 if (err) 586 return (EIO); 587 588 if (ISSET(t->c_cflag, CRTSCTS)) { 589 flow = FTDI_SIO_RTS_CTS_HS; 590 USETW(req.wValue, 0); 591 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 592 flow = FTDI_SIO_XON_XOFF_HS; 593 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 594 } else { 595 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 596 USETW(req.wValue, 0); 597 } 598 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 599 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 600 USETW2(req.wIndex, flow, portno); 601 USETW(req.wLength, 0); 602 err = usbd_do_request(sc->sc_udev, &req, NULL); 603 if (err) 604 return (EIO); 605 606 return (0); 607 } 608 609 void 610 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 611 { 612 struct uftdi_softc *sc = vsc; 613 614 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 615 sc->sc_msr, sc->sc_lsr)); 616 617 if (msr != NULL) 618 *msr = sc->sc_msr; 619 if (lsr != NULL) 620 *lsr = sc->sc_lsr; 621 } 622 623 void 624 uftdi_break(void *vsc, int portno, int onoff) 625 { 626 struct uftdi_softc *sc = vsc; 627 usb_device_request_t req; 628 int data; 629 630 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 631 onoff)); 632 633 if (onoff) { 634 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 635 } else { 636 data = sc->last_lcr; 637 } 638 639 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 640 req.bRequest = FTDI_SIO_SET_DATA; 641 USETW(req.wValue, data); 642 USETW(req.wIndex, portno); 643 USETW(req.wLength, 0); 644 (void)usbd_do_request(sc->sc_udev, &req, NULL); 645 } 646
Indexes created Mon Sep 29 21:09:56 GMT 2025