uftdi.c revision 1.44
1 /* $NetBSD: uftdi.c,v 1.44 2009/11/12 19:51:44 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 1.44 2009/11/12 19:51:44 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 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_SEMC_DSS20 }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 144 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 145 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 146 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 147 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 148 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 149 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 150 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 151 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 152 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 153 }; 154 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 155 156 int uftdi_match(device_t, cfdata_t, void *); 157 void uftdi_attach(device_t, device_t, void *); 158 void uftdi_childdet(device_t, device_t); 159 int uftdi_detach(device_t, int); 160 int uftdi_activate(device_t, enum devact); 161 extern struct cfdriver uftdi_cd; 162 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 163 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 164 165 USB_MATCH(uftdi) 166 { 167 USB_MATCH_START(uftdi, uaa); 168 169 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 170 uaa->vendor, uaa->product)); 171 172 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 173 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 174 } 175 176 USB_ATTACH(uftdi) 177 { 178 USB_ATTACH_START(uftdi, sc, uaa); 179 usbd_device_handle dev = uaa->device; 180 usbd_interface_handle iface; 181 usb_device_descriptor_t *ddesc; 182 usb_interface_descriptor_t *id; 183 usb_endpoint_descriptor_t *ed; 184 char *devinfop; 185 const char *devname = device_xname(self); 186 int i,idx; 187 usbd_status err; 188 struct ucom_attach_args uca; 189 190 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 191 192 aprint_naive("\n"); 193 aprint_normal("\n"); 194 195 devinfop = usbd_devinfo_alloc(dev, 0); 196 aprint_normal_dev(self, "%s\n", devinfop); 197 usbd_devinfo_free(devinfop); 198 199 /* Move the device into the configured state. */ 200 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 201 if (err) { 202 aprint_error("\n%s: failed to set configuration, err=%s\n", 203 devname, usbd_errstr(err)); 204 goto bad; 205 } 206 207 sc->sc_dev = self; 208 sc->sc_udev = dev; 209 sc->sc_numports = 1; 210 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 211 sc->sc_hdrlen = 0; 212 if (uaa->vendor == USB_VENDOR_FTDI 213 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 214 sc->sc_type = UFTDI_TYPE_SIO; 215 sc->sc_hdrlen = 1; 216 } 217 218 ddesc = usbd_get_device_descriptor(dev); 219 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 220 switch (sc->sc_chiptype) { 221 case 0x500: /* 2232D */ 222 case 0x700: /* 2232H */ 223 sc->sc_numports = 2; 224 break; 225 case 0x800: /* 4232H */ 226 sc->sc_numports = 4; 227 break; 228 case 0x200: /* 232/245AM */ 229 case 0x400: /* 232/245BL */ 230 case 0x600: /* 232/245R */ 231 default: 232 break; 233 } 234 235 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 236 err = usbd_device2interface_handle(dev, idx, &iface); 237 if (err) { 238 aprint_error( 239 "\n%s: failed to get interface idx=%d, err=%s\n", 240 devname, idx, usbd_errstr(err)); 241 goto bad; 242 } 243 244 id = usbd_get_interface_descriptor(iface); 245 246 sc->sc_iface[idx] = iface; 247 248 uca.bulkin = uca.bulkout = -1; 249 for (i = 0; i < id->bNumEndpoints; i++) { 250 int addr, dir, attr; 251 ed = usbd_interface2endpoint_descriptor(iface, i); 252 if (ed == NULL) { 253 aprint_error_dev(self, 254 "could not read endpoint descriptor: %s\n", 255 usbd_errstr(err)); 256 goto bad; 257 } 258 259 addr = ed->bEndpointAddress; 260 dir = UE_GET_DIR(ed->bEndpointAddress); 261 attr = ed->bmAttributes & UE_XFERTYPE; 262 if (dir == UE_DIR_IN && attr == UE_BULK) 263 uca.bulkin = addr; 264 else if (dir == UE_DIR_OUT && attr == UE_BULK) 265 uca.bulkout = addr; 266 else { 267 aprint_error_dev(self, 268 "unexpected endpoint\n"); 269 goto bad; 270 } 271 } 272 if (uca.bulkin == -1) { 273 aprint_error_dev(self, 274 "Could not find data bulk in\n"); 275 goto bad; 276 } 277 if (uca.bulkout == -1) { 278 aprint_error_dev(self, 279 "Could not find data bulk out\n"); 280 goto bad; 281 } 282 283 uca.portno = FTDI_PIT_SIOA + idx; 284 /* bulkin, bulkout set above */ 285 uca.ibufsize = UFTDIIBUFSIZE; 286 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 287 uca.ibufsizepad = UFTDIIBUFSIZE; 288 uca.opkthdrlen = sc->sc_hdrlen; 289 uca.device = dev; 290 uca.iface = iface; 291 uca.methods = &uftdi_methods; 292 uca.arg = sc; 293 uca.info = NULL; 294 295 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 296 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 297 &uca, ucomprint, ucomsubmatch); 298 } 299 300 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 301 USBDEV(sc->sc_dev)); 302 303 USB_ATTACH_SUCCESS_RETURN; 304 305 bad: 306 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 307 sc->sc_dying = 1; 308 USB_ATTACH_ERROR_RETURN; 309 } 310 311 int 312 uftdi_activate(device_t self, enum devact act) 313 { 314 struct uftdi_softc *sc = device_private(self); 315 316 switch (act) { 317 case DVACT_DEACTIVATE: 318 sc->sc_dying = 1; 319 return 0; 320 default: 321 return EOPNOTSUPP; 322 } 323 } 324 325 void 326 uftdi_childdet(device_t self, device_t child) 327 { 328 int i; 329 struct uftdi_softc *sc = device_private(self); 330 331 for (i = 0; i < sc->sc_numports; i++) { 332 if (sc->sc_subdev[i] == child) 333 break; 334 } 335 KASSERT(i < sc->sc_numports); 336 sc->sc_subdev[i] = NULL; 337 } 338 339 int 340 uftdi_detach(device_t self, int flags) 341 { 342 struct uftdi_softc *sc = device_private(self); 343 int i; 344 345 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 346 sc->sc_dying = 1; 347 for (i=0; i < sc->sc_numports; i++) { 348 if (sc->sc_subdev[i] != NULL) 349 config_detach(sc->sc_subdev[i], flags); 350 } 351 352 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 353 USBDEV(sc->sc_dev)); 354 355 return (0); 356 } 357 358 Static int 359 uftdi_open(void *vsc, int portno) 360 { 361 struct uftdi_softc *sc = vsc; 362 usb_device_request_t req; 363 usbd_status err; 364 struct termios t; 365 366 DPRINTF(("uftdi_open: sc=%p\n", sc)); 367 368 if (sc->sc_dying) 369 return (EIO); 370 371 /* Perform a full reset on the device */ 372 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 373 req.bRequest = FTDI_SIO_RESET; 374 USETW(req.wValue, FTDI_SIO_RESET_SIO); 375 USETW(req.wIndex, portno); 376 USETW(req.wLength, 0); 377 err = usbd_do_request(sc->sc_udev, &req, NULL); 378 if (err) 379 return (EIO); 380 381 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 382 t.c_ospeed = 9600; 383 t.c_cflag = CSTOPB | CS8; 384 (void)uftdi_param(sc, portno, &t); 385 386 /* Turn on RTS/CTS flow control */ 387 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 388 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 389 USETW(req.wValue, 0); 390 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 391 USETW(req.wLength, 0); 392 err = usbd_do_request(sc->sc_udev, &req, NULL); 393 if (err) 394 return (EIO); 395 396 return (0); 397 } 398 399 Static void 400 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 401 { 402 struct uftdi_softc *sc = vsc; 403 u_char msr, lsr; 404 405 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 406 *count)); 407 408 msr = FTDI_GET_MSR(*ptr); 409 lsr = FTDI_GET_LSR(*ptr); 410 411 #ifdef UFTDI_DEBUG 412 if (*count != 2) 413 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 414 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 415 #endif 416 417 if (sc->sc_msr != msr || 418 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 419 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 420 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 421 lsr, sc->sc_lsr)); 422 sc->sc_msr = msr; 423 sc->sc_lsr = lsr; 424 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 425 } 426 427 /* Pick up status and adjust data part. */ 428 *ptr += 2; 429 *count -= 2; 430 } 431 432 Static void 433 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 434 { 435 struct uftdi_softc *sc = vsc; 436 437 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 438 vsc, portno, *count, from[0])); 439 440 /* Make length tag and copy data */ 441 if (sc->sc_hdrlen > 0) 442 *to = FTDI_OUT_TAG(*count, portno); 443 444 memcpy(to + sc->sc_hdrlen, from, *count); 445 *count += sc->sc_hdrlen; 446 } 447 448 Static void 449 uftdi_set(void *vsc, int portno, int reg, int onoff) 450 { 451 struct uftdi_softc *sc = vsc; 452 usb_device_request_t req; 453 int ctl; 454 455 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 456 reg, onoff)); 457 458 switch (reg) { 459 case UCOM_SET_DTR: 460 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 461 break; 462 case UCOM_SET_RTS: 463 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 464 break; 465 case UCOM_SET_BREAK: 466 uftdi_break(sc, portno, onoff); 467 return; 468 default: 469 return; 470 } 471 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 472 req.bRequest = FTDI_SIO_MODEM_CTRL; 473 USETW(req.wValue, ctl); 474 USETW(req.wIndex, portno); 475 USETW(req.wLength, 0); 476 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 477 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 478 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 479 (void)usbd_do_request(sc->sc_udev, &req, NULL); 480 } 481 482 Static int 483 uftdi_param(void *vsc, int portno, struct termios *t) 484 { 485 struct uftdi_softc *sc = vsc; 486 usb_device_request_t req; 487 usbd_status err; 488 int rate, data, flow; 489 490 DPRINTF(("uftdi_param: sc=%p\n", sc)); 491 492 if (sc->sc_dying) 493 return (EIO); 494 495 switch (sc->sc_type) { 496 case UFTDI_TYPE_SIO: 497 switch (t->c_ospeed) { 498 case 300: rate = ftdi_sio_b300; break; 499 case 600: rate = ftdi_sio_b600; break; 500 case 1200: rate = ftdi_sio_b1200; break; 501 case 2400: rate = ftdi_sio_b2400; break; 502 case 4800: rate = ftdi_sio_b4800; break; 503 case 9600: rate = ftdi_sio_b9600; break; 504 case 19200: rate = ftdi_sio_b19200; break; 505 case 38400: rate = ftdi_sio_b38400; break; 506 case 57600: rate = ftdi_sio_b57600; break; 507 case 115200: rate = ftdi_sio_b115200; break; 508 default: 509 return (EINVAL); 510 } 511 break; 512 513 case UFTDI_TYPE_8U232AM: 514 switch(t->c_ospeed) { 515 case 300: rate = ftdi_8u232am_b300; break; 516 case 600: rate = ftdi_8u232am_b600; break; 517 case 1200: rate = ftdi_8u232am_b1200; break; 518 case 2400: rate = ftdi_8u232am_b2400; break; 519 case 4800: rate = ftdi_8u232am_b4800; break; 520 case 9600: rate = ftdi_8u232am_b9600; break; 521 case 19200: rate = ftdi_8u232am_b19200; break; 522 case 38400: rate = ftdi_8u232am_b38400; break; 523 case 57600: rate = ftdi_8u232am_b57600; break; 524 case 115200: rate = ftdi_8u232am_b115200; break; 525 case 230400: rate = ftdi_8u232am_b230400; break; 526 case 460800: rate = ftdi_8u232am_b460800; break; 527 case 921600: rate = ftdi_8u232am_b921600; break; 528 default: 529 return (EINVAL); 530 } 531 break; 532 533 default: 534 return (EINVAL); 535 } 536 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 537 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 538 USETW(req.wValue, rate); 539 USETW(req.wIndex, portno); 540 USETW(req.wLength, 0); 541 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 542 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 543 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 544 err = usbd_do_request(sc->sc_udev, &req, NULL); 545 if (err) 546 return (EIO); 547 548 if (ISSET(t->c_cflag, CSTOPB)) 549 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 550 else 551 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 552 if (ISSET(t->c_cflag, PARENB)) { 553 if (ISSET(t->c_cflag, PARODD)) 554 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 555 else 556 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 557 } else 558 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 559 switch (ISSET(t->c_cflag, CSIZE)) { 560 case CS5: 561 data |= FTDI_SIO_SET_DATA_BITS(5); 562 break; 563 case CS6: 564 data |= FTDI_SIO_SET_DATA_BITS(6); 565 break; 566 case CS7: 567 data |= FTDI_SIO_SET_DATA_BITS(7); 568 break; 569 case CS8: 570 data |= FTDI_SIO_SET_DATA_BITS(8); 571 break; 572 } 573 sc->last_lcr = data; 574 575 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 576 req.bRequest = FTDI_SIO_SET_DATA; 577 USETW(req.wValue, data); 578 USETW(req.wIndex, portno); 579 USETW(req.wLength, 0); 580 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 581 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 582 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 583 err = usbd_do_request(sc->sc_udev, &req, NULL); 584 if (err) 585 return (EIO); 586 587 if (ISSET(t->c_cflag, CRTSCTS)) { 588 flow = FTDI_SIO_RTS_CTS_HS; 589 USETW(req.wValue, 0); 590 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 591 flow = FTDI_SIO_XON_XOFF_HS; 592 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 593 } else { 594 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 595 USETW(req.wValue, 0); 596 } 597 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 598 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 599 USETW2(req.wIndex, flow, portno); 600 USETW(req.wLength, 0); 601 err = usbd_do_request(sc->sc_udev, &req, NULL); 602 if (err) 603 return (EIO); 604 605 return (0); 606 } 607 608 void 609 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 610 { 611 struct uftdi_softc *sc = vsc; 612 613 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 614 sc->sc_msr, sc->sc_lsr)); 615 616 if (msr != NULL) 617 *msr = sc->sc_msr; 618 if (lsr != NULL) 619 *lsr = sc->sc_lsr; 620 } 621 622 void 623 uftdi_break(void *vsc, int portno, int onoff) 624 { 625 struct uftdi_softc *sc = vsc; 626 usb_device_request_t req; 627 int data; 628 629 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 630 onoff)); 631 632 if (onoff) { 633 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 634 } else { 635 data = sc->last_lcr; 636 } 637 638 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 639 req.bRequest = FTDI_SIO_SET_DATA; 640 USETW(req.wValue, data); 641 USETW(req.wIndex, portno); 642 USETW(req.wLength, 0); 643 (void)usbd_do_request(sc->sc_udev, &req, NULL); 644 } 645
Indexes created Tue Sep 30 11:09:46 GMT 2025