uftdi.c revision 1.39.12.1
1 /* $NetBSD: uftdi.c,v 1.39.12.1 2010/04/21 00:27:53 matt 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 1.39.12.1 2010/04/21 00:27:53 matt 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_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 147 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 148 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 149 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 150 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 151 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 152 }; 153 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 154 155 int uftdi_match(device_t, cfdata_t, void *); 156 void uftdi_attach(device_t, device_t, void *); 157 void uftdi_childdet(device_t, device_t); 158 int uftdi_detach(device_t, int); 159 int uftdi_activate(device_t, enum devact); 160 extern struct cfdriver uftdi_cd; 161 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 162 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 163 164 USB_MATCH(uftdi) 165 { 166 USB_MATCH_START(uftdi, uaa); 167 168 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 169 uaa->vendor, uaa->product)); 170 171 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 172 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 173 } 174 175 USB_ATTACH(uftdi) 176 { 177 USB_ATTACH_START(uftdi, sc, uaa); 178 usbd_device_handle dev = uaa->device; 179 usbd_interface_handle iface; 180 usb_device_descriptor_t *ddesc; 181 usb_interface_descriptor_t *id; 182 usb_endpoint_descriptor_t *ed; 183 char *devinfop; 184 const char *devname = device_xname(self); 185 int i,idx; 186 usbd_status err; 187 struct ucom_attach_args uca; 188 189 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 190 191 /* Move the device into the configured state. */ 192 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 193 if (err) { 194 aprint_error("\n%s: failed to set configuration, err=%s\n", 195 devname, usbd_errstr(err)); 196 goto bad; 197 } 198 199 devinfop = usbd_devinfo_alloc(dev, 0); 200 USB_ATTACH_SETUP; 201 aprint_normal_dev(self, "%s\n", devinfop); 202 usbd_devinfo_free(devinfop); 203 204 sc->sc_dev = self; 205 sc->sc_udev = dev; 206 sc->sc_numports = 1; 207 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 208 sc->sc_hdrlen = 0; 209 if (uaa->vendor == USB_VENDOR_FTDI 210 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 211 sc->sc_type = UFTDI_TYPE_SIO; 212 sc->sc_hdrlen = 1; 213 } 214 215 ddesc = usbd_get_device_descriptor(dev); 216 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 217 switch (sc->sc_chiptype) { 218 case 0x500: /* 2232D */ 219 case 0x700: /* 2232H */ 220 sc->sc_numports = 2; 221 break; 222 case 0x800: /* 4232H */ 223 sc->sc_numports = 4; 224 break; 225 case 0x200: /* 232/245AM */ 226 case 0x400: /* 232/245BL */ 227 case 0x600: /* 232/245R */ 228 default: 229 break; 230 } 231 232 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 233 err = usbd_device2interface_handle(dev, idx, &iface); 234 if (err) { 235 aprint_error( 236 "\n%s: failed to get interface idx=%d, err=%s\n", 237 devname, idx, usbd_errstr(err)); 238 goto bad; 239 } 240 241 id = usbd_get_interface_descriptor(iface); 242 243 sc->sc_iface[idx] = iface; 244 245 uca.bulkin = uca.bulkout = -1; 246 for (i = 0; i < id->bNumEndpoints; i++) { 247 int addr, dir, attr; 248 ed = usbd_interface2endpoint_descriptor(iface, i); 249 if (ed == NULL) { 250 aprint_error_dev(self, 251 "could not read endpoint descriptor: %s\n", 252 usbd_errstr(err)); 253 goto bad; 254 } 255 256 addr = ed->bEndpointAddress; 257 dir = UE_GET_DIR(ed->bEndpointAddress); 258 attr = ed->bmAttributes & UE_XFERTYPE; 259 if (dir == UE_DIR_IN && attr == UE_BULK) 260 uca.bulkin = addr; 261 else if (dir == UE_DIR_OUT && attr == UE_BULK) 262 uca.bulkout = addr; 263 else { 264 aprint_error_dev(self, 265 "unexpected endpoint\n"); 266 goto bad; 267 } 268 } 269 if (uca.bulkin == -1) { 270 aprint_error_dev(self, 271 "Could not find data bulk in\n"); 272 goto bad; 273 } 274 if (uca.bulkout == -1) { 275 aprint_error_dev(self, 276 "Could not find data bulk out\n"); 277 goto bad; 278 } 279 280 uca.portno = FTDI_PIT_SIOA + idx; 281 /* bulkin, bulkout set above */ 282 uca.ibufsize = UFTDIIBUFSIZE; 283 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 284 uca.ibufsizepad = UFTDIIBUFSIZE; 285 uca.opkthdrlen = sc->sc_hdrlen; 286 uca.device = dev; 287 uca.iface = iface; 288 uca.methods = &uftdi_methods; 289 uca.arg = sc; 290 uca.info = NULL; 291 292 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 293 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 294 &uca, ucomprint, ucomsubmatch); 295 } 296 297 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 298 USBDEV(sc->sc_dev)); 299 300 USB_ATTACH_SUCCESS_RETURN; 301 302 bad: 303 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 304 sc->sc_dying = 1; 305 USB_ATTACH_ERROR_RETURN; 306 } 307 308 int 309 uftdi_activate(device_t self, enum devact act) 310 { 311 struct uftdi_softc *sc = device_private(self); 312 int rv = 0,i; 313 314 switch (act) { 315 case DVACT_ACTIVATE: 316 return (EOPNOTSUPP); 317 318 case DVACT_DEACTIVATE: 319 for (i=0; i < sc->sc_numports; i++) 320 if (sc->sc_subdev[i] != NULL) 321 rv = config_deactivate(sc->sc_subdev[i]); 322 sc->sc_dying = 1; 323 break; 324 } 325 return (rv); 326 } 327 328 void 329 uftdi_childdet(device_t self, device_t child) 330 { 331 int i; 332 struct uftdi_softc *sc = device_private(self); 333 334 for (i = 0; i < sc->sc_numports; i++) { 335 if (sc->sc_subdev[i] == child) 336 break; 337 } 338 KASSERT(i < sc->sc_numports); 339 sc->sc_subdev[i] = NULL; 340 } 341 342 int 343 uftdi_detach(device_t self, int flags) 344 { 345 struct uftdi_softc *sc = device_private(self); 346 int i; 347 348 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 349 sc->sc_dying = 1; 350 for (i=0; i < sc->sc_numports; i++) { 351 if (sc->sc_subdev[i] != NULL) 352 config_detach(sc->sc_subdev[i], flags); 353 } 354 355 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 356 USBDEV(sc->sc_dev)); 357 358 return (0); 359 } 360 361 Static int 362 uftdi_open(void *vsc, int portno) 363 { 364 struct uftdi_softc *sc = vsc; 365 usb_device_request_t req; 366 usbd_status err; 367 struct termios t; 368 369 DPRINTF(("uftdi_open: sc=%p\n", sc)); 370 371 if (sc->sc_dying) 372 return (EIO); 373 374 /* Perform a full reset on the device */ 375 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 376 req.bRequest = FTDI_SIO_RESET; 377 USETW(req.wValue, FTDI_SIO_RESET_SIO); 378 USETW(req.wIndex, portno); 379 USETW(req.wLength, 0); 380 err = usbd_do_request(sc->sc_udev, &req, NULL); 381 if (err) 382 return (EIO); 383 384 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 385 t.c_ospeed = 9600; 386 t.c_cflag = CSTOPB | CS8; 387 (void)uftdi_param(sc, portno, &t); 388 389 /* Turn on RTS/CTS flow control */ 390 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 391 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 392 USETW(req.wValue, 0); 393 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 394 USETW(req.wLength, 0); 395 err = usbd_do_request(sc->sc_udev, &req, NULL); 396 if (err) 397 return (EIO); 398 399 return (0); 400 } 401 402 Static void 403 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 404 { 405 struct uftdi_softc *sc = vsc; 406 u_char msr, lsr; 407 408 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 409 *count)); 410 411 msr = FTDI_GET_MSR(*ptr); 412 lsr = FTDI_GET_LSR(*ptr); 413 414 #ifdef UFTDI_DEBUG 415 if (*count != 2) 416 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 417 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 418 #endif 419 420 if (sc->sc_msr != msr || 421 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 422 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 423 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 424 lsr, sc->sc_lsr)); 425 sc->sc_msr = msr; 426 sc->sc_lsr = lsr; 427 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 428 } 429 430 /* Pick up status and adjust data part. */ 431 *ptr += 2; 432 *count -= 2; 433 } 434 435 Static void 436 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 437 { 438 struct uftdi_softc *sc = vsc; 439 440 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 441 vsc, portno, *count, from[0])); 442 443 /* Make length tag and copy data */ 444 if (sc->sc_hdrlen > 0) 445 *to = FTDI_OUT_TAG(*count, portno); 446 447 memcpy(to + sc->sc_hdrlen, from, *count); 448 *count += sc->sc_hdrlen; 449 } 450 451 Static void 452 uftdi_set(void *vsc, int portno, int reg, int onoff) 453 { 454 struct uftdi_softc *sc = vsc; 455 usb_device_request_t req; 456 int ctl; 457 458 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 459 reg, onoff)); 460 461 switch (reg) { 462 case UCOM_SET_DTR: 463 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 464 break; 465 case UCOM_SET_RTS: 466 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 467 break; 468 case UCOM_SET_BREAK: 469 uftdi_break(sc, portno, onoff); 470 return; 471 default: 472 return; 473 } 474 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 475 req.bRequest = FTDI_SIO_MODEM_CTRL; 476 USETW(req.wValue, ctl); 477 USETW(req.wIndex, portno); 478 USETW(req.wLength, 0); 479 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 480 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 481 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 482 (void)usbd_do_request(sc->sc_udev, &req, NULL); 483 } 484 485 Static int 486 uftdi_param(void *vsc, int portno, struct termios *t) 487 { 488 struct uftdi_softc *sc = vsc; 489 usb_device_request_t req; 490 usbd_status err; 491 int rate, data, flow; 492 493 DPRINTF(("uftdi_param: sc=%p\n", sc)); 494 495 if (sc->sc_dying) 496 return (EIO); 497 498 switch (sc->sc_type) { 499 case UFTDI_TYPE_SIO: 500 switch (t->c_ospeed) { 501 case 300: rate = ftdi_sio_b300; break; 502 case 600: rate = ftdi_sio_b600; break; 503 case 1200: rate = ftdi_sio_b1200; break; 504 case 2400: rate = ftdi_sio_b2400; break; 505 case 4800: rate = ftdi_sio_b4800; break; 506 case 9600: rate = ftdi_sio_b9600; break; 507 case 19200: rate = ftdi_sio_b19200; break; 508 case 38400: rate = ftdi_sio_b38400; break; 509 case 57600: rate = ftdi_sio_b57600; break; 510 case 115200: rate = ftdi_sio_b115200; break; 511 default: 512 return (EINVAL); 513 } 514 break; 515 516 case UFTDI_TYPE_8U232AM: 517 switch(t->c_ospeed) { 518 case 300: rate = ftdi_8u232am_b300; break; 519 case 600: rate = ftdi_8u232am_b600; break; 520 case 1200: rate = ftdi_8u232am_b1200; break; 521 case 2400: rate = ftdi_8u232am_b2400; break; 522 case 4800: rate = ftdi_8u232am_b4800; break; 523 case 9600: rate = ftdi_8u232am_b9600; break; 524 case 19200: rate = ftdi_8u232am_b19200; break; 525 case 38400: rate = ftdi_8u232am_b38400; break; 526 case 57600: rate = ftdi_8u232am_b57600; break; 527 case 115200: rate = ftdi_8u232am_b115200; break; 528 case 230400: rate = ftdi_8u232am_b230400; break; 529 case 460800: rate = ftdi_8u232am_b460800; break; 530 case 921600: rate = ftdi_8u232am_b921600; break; 531 default: 532 return (EINVAL); 533 } 534 break; 535 536 default: 537 return (EINVAL); 538 } 539 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 540 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 541 USETW(req.wValue, rate); 542 USETW(req.wIndex, portno); 543 USETW(req.wLength, 0); 544 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 545 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 546 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 547 err = usbd_do_request(sc->sc_udev, &req, NULL); 548 if (err) 549 return (EIO); 550 551 if (ISSET(t->c_cflag, CSTOPB)) 552 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 553 else 554 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 555 if (ISSET(t->c_cflag, PARENB)) { 556 if (ISSET(t->c_cflag, PARODD)) 557 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 558 else 559 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 560 } else 561 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 562 switch (ISSET(t->c_cflag, CSIZE)) { 563 case CS5: 564 data |= FTDI_SIO_SET_DATA_BITS(5); 565 break; 566 case CS6: 567 data |= FTDI_SIO_SET_DATA_BITS(6); 568 break; 569 case CS7: 570 data |= FTDI_SIO_SET_DATA_BITS(7); 571 break; 572 case CS8: 573 data |= FTDI_SIO_SET_DATA_BITS(8); 574 break; 575 } 576 sc->last_lcr = data; 577 578 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 579 req.bRequest = FTDI_SIO_SET_DATA; 580 USETW(req.wValue, data); 581 USETW(req.wIndex, portno); 582 USETW(req.wLength, 0); 583 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 584 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 585 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 586 err = usbd_do_request(sc->sc_udev, &req, NULL); 587 if (err) 588 return (EIO); 589 590 if (ISSET(t->c_cflag, CRTSCTS)) { 591 flow = FTDI_SIO_RTS_CTS_HS; 592 USETW(req.wValue, 0); 593 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 594 flow = FTDI_SIO_XON_XOFF_HS; 595 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 596 } else { 597 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 598 USETW(req.wValue, 0); 599 } 600 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 601 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 602 USETW2(req.wIndex, flow, portno); 603 USETW(req.wLength, 0); 604 err = usbd_do_request(sc->sc_udev, &req, NULL); 605 if (err) 606 return (EIO); 607 608 return (0); 609 } 610 611 void 612 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 613 { 614 struct uftdi_softc *sc = vsc; 615 616 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 617 sc->sc_msr, sc->sc_lsr)); 618 619 if (msr != NULL) 620 *msr = sc->sc_msr; 621 if (lsr != NULL) 622 *lsr = sc->sc_lsr; 623 } 624 625 void 626 uftdi_break(void *vsc, int portno, int onoff) 627 { 628 struct uftdi_softc *sc = vsc; 629 usb_device_request_t req; 630 int data; 631 632 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 633 onoff)); 634 635 if (onoff) { 636 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 637 } else { 638 data = sc->last_lcr; 639 } 640 641 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 642 req.bRequest = FTDI_SIO_SET_DATA; 643 USETW(req.wValue, data); 644 USETW(req.wIndex, portno); 645 USETW(req.wLength, 0); 646 (void)usbd_do_request(sc->sc_udev, &req, NULL); 647 } 648
Indexes created Fri Oct 03 02:09:57 GMT 2025