uftdi.c revision 1.38.4.1
1 /* $NetBSD: uftdi.c,v 1.38.4.1 2008/10/19 22:17:10 haad 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 /* 33 * FTDI FT8U100AX serial adapter driver 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: uftdi.c,v 1.38.4.1 2008/10/19 22:17:10 haad Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/device.h> 43 #include <sys/conf.h> 44 #include <sys/tty.h> 45 46 #include <dev/usb/usb.h> 47 48 #include <dev/usb/usbdi.h> 49 #include <dev/usb/usbdi_util.h> 50 #include <dev/usb/usbdevs.h> 51 52 #include <dev/usb/ucomvar.h> 53 54 #include <dev/usb/uftdireg.h> 55 56 #ifdef UFTDI_DEBUG 57 #define DPRINTF(x) if (uftdidebug) printf x 58 #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x 59 int uftdidebug = 0; 60 #else 61 #define DPRINTF(x) 62 #define DPRINTFN(n,x) 63 #endif 64 65 #define UFTDI_CONFIG_INDEX 0 66 #define UFTDI_IFACE_INDEX 0 67 #define UFTDI_MAX_PORTS 2 68 69 /* 70 * These are the maximum number of bytes transferred per frame. 71 * The output buffer size cannot be increased due to the size encoding. 72 */ 73 #define UFTDIIBUFSIZE 64 74 #define UFTDIOBUFSIZE 64 75 76 struct uftdi_softc { 77 USBBASEDEVICE sc_dev; /* base device */ 78 usbd_device_handle sc_udev; /* device */ 79 usbd_interface_handle sc_iface[UFTDI_MAX_PORTS]; /* interface */ 80 81 enum uftdi_type sc_type; 82 u_int sc_hdrlen; 83 u_int sc_numports; 84 85 u_char sc_msr; 86 u_char sc_lsr; 87 88 device_ptr_t sc_subdev[UFTDI_MAX_PORTS]; 89 90 u_char sc_dying; 91 92 u_int last_lcr; 93 }; 94 95 Static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr); 96 Static void uftdi_set(void *, int, int, int); 97 Static int uftdi_param(void *, int, struct termios *); 98 Static int uftdi_open(void *sc, int portno); 99 Static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count); 100 Static void uftdi_write(void *sc, int portno, u_char *to, u_char *from, 101 u_int32_t *count); 102 Static void uftdi_break(void *sc, int portno, int onoff); 103 104 struct ucom_methods uftdi_methods = { 105 uftdi_get_status, 106 uftdi_set, 107 uftdi_param, 108 NULL, 109 uftdi_open, 110 NULL, 111 uftdi_read, 112 uftdi_write, 113 }; 114 115 /* 116 * The devices default to UFTDI_TYPE_8U232AM. 117 * Remember to update USB_ATTACH if it should be UFTDI_TYPE_SIO instead 118 */ 119 static const struct usb_devno uftdi_devs[] = { 120 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 121 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 122 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 123 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 124 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 125 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 126 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 127 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 128 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 145 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 146 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 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_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 switch( uaa->vendor ) { 208 case USB_VENDOR_FTDI: 209 switch (uaa->product) { 210 case USB_PRODUCT_FTDI_SERIAL_8U100AX: 211 sc->sc_type = UFTDI_TYPE_SIO; 212 sc->sc_hdrlen = 1; 213 break; 214 case USB_PRODUCT_FTDI_SERIAL_2232C: 215 sc->sc_numports = 2; 216 /* FALLTHROUGH */ 217 default: /* Most uftdi devices are 8U232AM */ 218 sc->sc_type = UFTDI_TYPE_8U232AM; 219 sc->sc_hdrlen = 0; 220 } 221 break; 222 default: /* Most uftdi devices are 8U232AM */ 223 sc->sc_type = UFTDI_TYPE_8U232AM; 224 sc->sc_hdrlen = 0; 225 } 226 227 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 228 err = usbd_device2interface_handle(dev, idx, &iface); 229 if (err) { 230 aprint_error( 231 "\n%s: failed to get interface idx=%d, err=%s\n", 232 devname, idx, usbd_errstr(err)); 233 goto bad; 234 } 235 236 id = usbd_get_interface_descriptor(iface); 237 238 sc->sc_iface[idx] = iface; 239 240 uca.bulkin = uca.bulkout = -1; 241 for (i = 0; i < id->bNumEndpoints; i++) { 242 int addr, dir, attr; 243 ed = usbd_interface2endpoint_descriptor(iface, i); 244 if (ed == NULL) { 245 aprint_error_dev(self, 246 "could not read endpoint descriptor: %s\n", 247 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 aprint_error_dev(self, 260 "unexpected endpoint\n"); 261 goto bad; 262 } 263 } 264 if (uca.bulkin == -1) { 265 aprint_error_dev(self, 266 "Could not find data bulk in\n"); 267 goto bad; 268 } 269 if (uca.bulkout == -1) { 270 aprint_error_dev(self, 271 "Could not find data bulk out\n"); 272 goto bad; 273 } 274 275 uca.portno = FTDI_PIT_SIOA + idx; 276 /* bulkin, bulkout set above */ 277 uca.ibufsize = UFTDIIBUFSIZE; 278 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 279 uca.ibufsizepad = UFTDIIBUFSIZE; 280 uca.opkthdrlen = sc->sc_hdrlen; 281 uca.device = dev; 282 uca.iface = iface; 283 uca.methods = &uftdi_methods; 284 uca.arg = sc; 285 uca.info = NULL; 286 287 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 288 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, &uca, 289 ucomprint, ucomsubmatch); 290 } 291 292 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 293 USBDEV(sc->sc_dev)); 294 295 USB_ATTACH_SUCCESS_RETURN; 296 297 bad: 298 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 299 sc->sc_dying = 1; 300 USB_ATTACH_ERROR_RETURN; 301 } 302 303 int 304 uftdi_activate(device_t self, enum devact act) 305 { 306 struct uftdi_softc *sc = device_private(self); 307 int rv = 0,i; 308 309 switch (act) { 310 case DVACT_ACTIVATE: 311 return (EOPNOTSUPP); 312 313 case DVACT_DEACTIVATE: 314 for (i=0; i < sc->sc_numports; i++) 315 if (sc->sc_subdev[i] != NULL) 316 rv = config_deactivate(sc->sc_subdev[i]); 317 sc->sc_dying = 1; 318 break; 319 } 320 return (rv); 321 } 322 323 void 324 uftdi_childdet(device_t self, device_t child) 325 { 326 int i; 327 struct uftdi_softc *sc = device_private(self); 328 329 for (i = 0; i < sc->sc_numports; i++) { 330 if (sc->sc_subdev[i] == child) 331 break; 332 } 333 KASSERT(i < sc->sc_numports); 334 sc->sc_subdev[i] = NULL; 335 } 336 337 int 338 uftdi_detach(device_t self, int flags) 339 { 340 struct uftdi_softc *sc = device_private(self); 341 int i; 342 343 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 344 sc->sc_dying = 1; 345 for (i=0; i < sc->sc_numports; i++) { 346 if (sc->sc_subdev[i] != NULL) 347 config_detach(sc->sc_subdev[i], flags); 348 } 349 350 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 351 USBDEV(sc->sc_dev)); 352 353 return (0); 354 } 355 356 Static int 357 uftdi_open(void *vsc, int portno) 358 { 359 struct uftdi_softc *sc = vsc; 360 usb_device_request_t req; 361 usbd_status err; 362 struct termios t; 363 364 DPRINTF(("uftdi_open: sc=%p\n", sc)); 365 366 if (sc->sc_dying) 367 return (EIO); 368 369 /* Perform a full reset on the device */ 370 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 371 req.bRequest = FTDI_SIO_RESET; 372 USETW(req.wValue, FTDI_SIO_RESET_SIO); 373 USETW(req.wIndex, portno); 374 USETW(req.wLength, 0); 375 err = usbd_do_request(sc->sc_udev, &req, NULL); 376 if (err) 377 return (EIO); 378 379 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 380 t.c_ospeed = 9600; 381 t.c_cflag = CSTOPB | CS8; 382 (void)uftdi_param(sc, portno, &t); 383 384 /* Turn on RTS/CTS flow control */ 385 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 386 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 387 USETW(req.wValue, 0); 388 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 389 USETW(req.wLength, 0); 390 err = usbd_do_request(sc->sc_udev, &req, NULL); 391 if (err) 392 return (EIO); 393 394 return (0); 395 } 396 397 Static void 398 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 399 { 400 struct uftdi_softc *sc = vsc; 401 u_char msr, lsr; 402 403 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 404 *count)); 405 406 msr = FTDI_GET_MSR(*ptr); 407 lsr = FTDI_GET_LSR(*ptr); 408 409 #ifdef UFTDI_DEBUG 410 if (*count != 2) 411 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 412 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 413 #endif 414 415 if (sc->sc_msr != msr || 416 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 417 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 418 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 419 lsr, sc->sc_lsr)); 420 sc->sc_msr = msr; 421 sc->sc_lsr = lsr; 422 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 423 } 424 425 /* Pick up status and adjust data part. */ 426 *ptr += 2; 427 *count -= 2; 428 } 429 430 Static void 431 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 432 { 433 struct uftdi_softc *sc = vsc; 434 435 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 436 vsc, portno, *count, from[0])); 437 438 /* Make length tag and copy data */ 439 if (sc->sc_hdrlen > 0) 440 *to = FTDI_OUT_TAG(*count, portno); 441 442 memcpy(to + sc->sc_hdrlen, from, *count); 443 *count += sc->sc_hdrlen; 444 } 445 446 Static void 447 uftdi_set(void *vsc, int portno, int reg, int onoff) 448 { 449 struct uftdi_softc *sc = vsc; 450 usb_device_request_t req; 451 int ctl; 452 453 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 454 reg, onoff)); 455 456 switch (reg) { 457 case UCOM_SET_DTR: 458 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 459 break; 460 case UCOM_SET_RTS: 461 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 462 break; 463 case UCOM_SET_BREAK: 464 uftdi_break(sc, portno, onoff); 465 return; 466 default: 467 return; 468 } 469 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 470 req.bRequest = FTDI_SIO_MODEM_CTRL; 471 USETW(req.wValue, ctl); 472 USETW(req.wIndex, portno); 473 USETW(req.wLength, 0); 474 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 475 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 476 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 477 (void)usbd_do_request(sc->sc_udev, &req, NULL); 478 } 479 480 Static int 481 uftdi_param(void *vsc, int portno, struct termios *t) 482 { 483 struct uftdi_softc *sc = vsc; 484 usb_device_request_t req; 485 usbd_status err; 486 int rate, data, flow; 487 488 DPRINTF(("uftdi_param: sc=%p\n", sc)); 489 490 if (sc->sc_dying) 491 return (EIO); 492 493 switch (sc->sc_type) { 494 case UFTDI_TYPE_SIO: 495 switch (t->c_ospeed) { 496 case 300: rate = ftdi_sio_b300; break; 497 case 600: rate = ftdi_sio_b600; break; 498 case 1200: rate = ftdi_sio_b1200; break; 499 case 2400: rate = ftdi_sio_b2400; break; 500 case 4800: rate = ftdi_sio_b4800; break; 501 case 9600: rate = ftdi_sio_b9600; break; 502 case 19200: rate = ftdi_sio_b19200; break; 503 case 38400: rate = ftdi_sio_b38400; break; 504 case 57600: rate = ftdi_sio_b57600; break; 505 case 115200: rate = ftdi_sio_b115200; break; 506 default: 507 return (EINVAL); 508 } 509 break; 510 511 case UFTDI_TYPE_8U232AM: 512 switch(t->c_ospeed) { 513 case 300: rate = ftdi_8u232am_b300; break; 514 case 600: rate = ftdi_8u232am_b600; break; 515 case 1200: rate = ftdi_8u232am_b1200; break; 516 case 2400: rate = ftdi_8u232am_b2400; break; 517 case 4800: rate = ftdi_8u232am_b4800; break; 518 case 9600: rate = ftdi_8u232am_b9600; break; 519 case 19200: rate = ftdi_8u232am_b19200; break; 520 case 38400: rate = ftdi_8u232am_b38400; break; 521 case 57600: rate = ftdi_8u232am_b57600; break; 522 case 115200: rate = ftdi_8u232am_b115200; break; 523 case 230400: rate = ftdi_8u232am_b230400; break; 524 case 460800: rate = ftdi_8u232am_b460800; break; 525 case 921600: rate = ftdi_8u232am_b921600; break; 526 default: 527 return (EINVAL); 528 } 529 break; 530 531 default: 532 return (EINVAL); 533 } 534 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 535 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 536 USETW(req.wValue, rate); 537 USETW(req.wIndex, portno); 538 USETW(req.wLength, 0); 539 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 540 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 541 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 542 err = usbd_do_request(sc->sc_udev, &req, NULL); 543 if (err) 544 return (EIO); 545 546 if (ISSET(t->c_cflag, CSTOPB)) 547 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 548 else 549 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 550 if (ISSET(t->c_cflag, PARENB)) { 551 if (ISSET(t->c_cflag, PARODD)) 552 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 553 else 554 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 555 } else 556 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 557 switch (ISSET(t->c_cflag, CSIZE)) { 558 case CS5: 559 data |= FTDI_SIO_SET_DATA_BITS(5); 560 break; 561 case CS6: 562 data |= FTDI_SIO_SET_DATA_BITS(6); 563 break; 564 case CS7: 565 data |= FTDI_SIO_SET_DATA_BITS(7); 566 break; 567 case CS8: 568 data |= FTDI_SIO_SET_DATA_BITS(8); 569 break; 570 } 571 sc->last_lcr = data; 572 573 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 574 req.bRequest = FTDI_SIO_SET_DATA; 575 USETW(req.wValue, data); 576 USETW(req.wIndex, portno); 577 USETW(req.wLength, 0); 578 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 579 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 580 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 581 err = usbd_do_request(sc->sc_udev, &req, NULL); 582 if (err) 583 return (EIO); 584 585 if (ISSET(t->c_cflag, CRTSCTS)) { 586 flow = FTDI_SIO_RTS_CTS_HS; 587 USETW(req.wValue, 0); 588 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 589 flow = FTDI_SIO_XON_XOFF_HS; 590 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 591 } else { 592 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 593 USETW(req.wValue, 0); 594 } 595 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 596 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 597 USETW2(req.wIndex, flow, portno); 598 USETW(req.wLength, 0); 599 err = usbd_do_request(sc->sc_udev, &req, NULL); 600 if (err) 601 return (EIO); 602 603 return (0); 604 } 605 606 void 607 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 608 { 609 struct uftdi_softc *sc = vsc; 610 611 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 612 sc->sc_msr, sc->sc_lsr)); 613 614 if (msr != NULL) 615 *msr = sc->sc_msr; 616 if (lsr != NULL) 617 *lsr = sc->sc_lsr; 618 } 619 620 void 621 uftdi_break(void *vsc, int portno, int onoff) 622 { 623 struct uftdi_softc *sc = vsc; 624 usb_device_request_t req; 625 int data; 626 627 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 628 onoff)); 629 630 if (onoff) { 631 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 632 } else { 633 data = sc->last_lcr; 634 } 635 636 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 637 req.bRequest = FTDI_SIO_SET_DATA; 638 USETW(req.wValue, data); 639 USETW(req.wIndex, portno); 640 USETW(req.wLength, 0); 641 (void)usbd_do_request(sc->sc_udev, &req, NULL); 642 } 643
Indexes created Thu Oct 02 14:10:14 GMT 2025