uftdi.c revision 1.40
1 /* $NetBSD: uftdi.c,v 1.40 2009/04/21 16:26:01 taca 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 1.40 2009/04/21 16:26:01 taca 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_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 148 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 149 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 150 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 151 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 152 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 153 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 154 }; 155 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 156 157 int uftdi_match(device_t, cfdata_t, void *); 158 void uftdi_attach(device_t, device_t, void *); 159 void uftdi_childdet(device_t, device_t); 160 int uftdi_detach(device_t, int); 161 int uftdi_activate(device_t, enum devact); 162 extern struct cfdriver uftdi_cd; 163 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 164 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 165 166 USB_MATCH(uftdi) 167 { 168 USB_MATCH_START(uftdi, uaa); 169 170 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 171 uaa->vendor, uaa->product)); 172 173 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 174 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 175 } 176 177 USB_ATTACH(uftdi) 178 { 179 USB_ATTACH_START(uftdi, sc, uaa); 180 usbd_device_handle dev = uaa->device; 181 usbd_interface_handle iface; 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 /* Move the device into the configured state. */ 193 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 194 if (err) { 195 aprint_error("\n%s: failed to set configuration, err=%s\n", 196 devname, usbd_errstr(err)); 197 goto bad; 198 } 199 200 devinfop = usbd_devinfo_alloc(dev, 0); 201 USB_ATTACH_SETUP; 202 aprint_normal_dev(self, "%s\n", devinfop); 203 usbd_devinfo_free(devinfop); 204 205 sc->sc_dev = self; 206 sc->sc_udev = dev; 207 sc->sc_numports = 1; 208 switch( uaa->vendor ) { 209 case USB_VENDOR_FTDI: 210 switch (uaa->product) { 211 case USB_PRODUCT_FTDI_SERIAL_8U100AX: 212 sc->sc_type = UFTDI_TYPE_SIO; 213 sc->sc_hdrlen = 1; 214 break; 215 case USB_PRODUCT_FTDI_SERIAL_2232C: 216 sc->sc_numports = 2; 217 /* FALLTHROUGH */ 218 default: /* Most uftdi devices are 8U232AM */ 219 sc->sc_type = UFTDI_TYPE_8U232AM; 220 sc->sc_hdrlen = 0; 221 } 222 break; 223 default: /* Most uftdi devices are 8U232AM */ 224 sc->sc_type = UFTDI_TYPE_8U232AM; 225 sc->sc_hdrlen = 0; 226 } 227 228 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 229 err = usbd_device2interface_handle(dev, idx, &iface); 230 if (err) { 231 aprint_error( 232 "\n%s: failed to get interface idx=%d, err=%s\n", 233 devname, idx, usbd_errstr(err)); 234 goto bad; 235 } 236 237 id = usbd_get_interface_descriptor(iface); 238 239 sc->sc_iface[idx] = iface; 240 241 uca.bulkin = uca.bulkout = -1; 242 for (i = 0; i < id->bNumEndpoints; i++) { 243 int addr, dir, attr; 244 ed = usbd_interface2endpoint_descriptor(iface, i); 245 if (ed == NULL) { 246 aprint_error_dev(self, 247 "could not read endpoint descriptor: %s\n", 248 usbd_errstr(err)); 249 goto bad; 250 } 251 252 addr = ed->bEndpointAddress; 253 dir = UE_GET_DIR(ed->bEndpointAddress); 254 attr = ed->bmAttributes & UE_XFERTYPE; 255 if (dir == UE_DIR_IN && attr == UE_BULK) 256 uca.bulkin = addr; 257 else if (dir == UE_DIR_OUT && attr == UE_BULK) 258 uca.bulkout = addr; 259 else { 260 aprint_error_dev(self, 261 "unexpected endpoint\n"); 262 goto bad; 263 } 264 } 265 if (uca.bulkin == -1) { 266 aprint_error_dev(self, 267 "Could not find data bulk in\n"); 268 goto bad; 269 } 270 if (uca.bulkout == -1) { 271 aprint_error_dev(self, 272 "Could not find data bulk out\n"); 273 goto bad; 274 } 275 276 uca.portno = FTDI_PIT_SIOA + idx; 277 /* bulkin, bulkout set above */ 278 uca.ibufsize = UFTDIIBUFSIZE; 279 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 280 uca.ibufsizepad = UFTDIIBUFSIZE; 281 uca.opkthdrlen = sc->sc_hdrlen; 282 uca.device = dev; 283 uca.iface = iface; 284 uca.methods = &uftdi_methods; 285 uca.arg = sc; 286 uca.info = NULL; 287 288 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 289 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, &uca, 290 ucomprint, ucomsubmatch); 291 } 292 293 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 294 USBDEV(sc->sc_dev)); 295 296 USB_ATTACH_SUCCESS_RETURN; 297 298 bad: 299 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 300 sc->sc_dying = 1; 301 USB_ATTACH_ERROR_RETURN; 302 } 303 304 int 305 uftdi_activate(device_t self, enum devact act) 306 { 307 struct uftdi_softc *sc = device_private(self); 308 int rv = 0,i; 309 310 switch (act) { 311 case DVACT_ACTIVATE: 312 return (EOPNOTSUPP); 313 314 case DVACT_DEACTIVATE: 315 for (i=0; i < sc->sc_numports; i++) 316 if (sc->sc_subdev[i] != NULL) 317 rv = config_deactivate(sc->sc_subdev[i]); 318 sc->sc_dying = 1; 319 break; 320 } 321 return (rv); 322 } 323 324 void 325 uftdi_childdet(device_t self, device_t child) 326 { 327 int i; 328 struct uftdi_softc *sc = device_private(self); 329 330 for (i = 0; i < sc->sc_numports; i++) { 331 if (sc->sc_subdev[i] == child) 332 break; 333 } 334 KASSERT(i < sc->sc_numports); 335 sc->sc_subdev[i] = NULL; 336 } 337 338 int 339 uftdi_detach(device_t self, int flags) 340 { 341 struct uftdi_softc *sc = device_private(self); 342 int i; 343 344 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 345 sc->sc_dying = 1; 346 for (i=0; i < sc->sc_numports; i++) { 347 if (sc->sc_subdev[i] != NULL) 348 config_detach(sc->sc_subdev[i], flags); 349 } 350 351 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 352 USBDEV(sc->sc_dev)); 353 354 return (0); 355 } 356 357 Static int 358 uftdi_open(void *vsc, int portno) 359 { 360 struct uftdi_softc *sc = vsc; 361 usb_device_request_t req; 362 usbd_status err; 363 struct termios t; 364 365 DPRINTF(("uftdi_open: sc=%p\n", sc)); 366 367 if (sc->sc_dying) 368 return (EIO); 369 370 /* Perform a full reset on the device */ 371 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 372 req.bRequest = FTDI_SIO_RESET; 373 USETW(req.wValue, FTDI_SIO_RESET_SIO); 374 USETW(req.wIndex, portno); 375 USETW(req.wLength, 0); 376 err = usbd_do_request(sc->sc_udev, &req, NULL); 377 if (err) 378 return (EIO); 379 380 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 381 t.c_ospeed = 9600; 382 t.c_cflag = CSTOPB | CS8; 383 (void)uftdi_param(sc, portno, &t); 384 385 /* Turn on RTS/CTS flow control */ 386 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 387 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 388 USETW(req.wValue, 0); 389 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 390 USETW(req.wLength, 0); 391 err = usbd_do_request(sc->sc_udev, &req, NULL); 392 if (err) 393 return (EIO); 394 395 return (0); 396 } 397 398 Static void 399 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 400 { 401 struct uftdi_softc *sc = vsc; 402 u_char msr, lsr; 403 404 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 405 *count)); 406 407 msr = FTDI_GET_MSR(*ptr); 408 lsr = FTDI_GET_LSR(*ptr); 409 410 #ifdef UFTDI_DEBUG 411 if (*count != 2) 412 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 413 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 414 #endif 415 416 if (sc->sc_msr != msr || 417 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 418 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 419 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 420 lsr, sc->sc_lsr)); 421 sc->sc_msr = msr; 422 sc->sc_lsr = lsr; 423 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 424 } 425 426 /* Pick up status and adjust data part. */ 427 *ptr += 2; 428 *count -= 2; 429 } 430 431 Static void 432 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 433 { 434 struct uftdi_softc *sc = vsc; 435 436 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 437 vsc, portno, *count, from[0])); 438 439 /* Make length tag and copy data */ 440 if (sc->sc_hdrlen > 0) 441 *to = FTDI_OUT_TAG(*count, portno); 442 443 memcpy(to + sc->sc_hdrlen, from, *count); 444 *count += sc->sc_hdrlen; 445 } 446 447 Static void 448 uftdi_set(void *vsc, int portno, int reg, int onoff) 449 { 450 struct uftdi_softc *sc = vsc; 451 usb_device_request_t req; 452 int ctl; 453 454 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 455 reg, onoff)); 456 457 switch (reg) { 458 case UCOM_SET_DTR: 459 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 460 break; 461 case UCOM_SET_RTS: 462 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 463 break; 464 case UCOM_SET_BREAK: 465 uftdi_break(sc, portno, onoff); 466 return; 467 default: 468 return; 469 } 470 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 471 req.bRequest = FTDI_SIO_MODEM_CTRL; 472 USETW(req.wValue, ctl); 473 USETW(req.wIndex, portno); 474 USETW(req.wLength, 0); 475 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 476 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 477 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 478 (void)usbd_do_request(sc->sc_udev, &req, NULL); 479 } 480 481 Static int 482 uftdi_param(void *vsc, int portno, struct termios *t) 483 { 484 struct uftdi_softc *sc = vsc; 485 usb_device_request_t req; 486 usbd_status err; 487 int rate, data, flow; 488 489 DPRINTF(("uftdi_param: sc=%p\n", sc)); 490 491 if (sc->sc_dying) 492 return (EIO); 493 494 switch (sc->sc_type) { 495 case UFTDI_TYPE_SIO: 496 switch (t->c_ospeed) { 497 case 300: rate = ftdi_sio_b300; break; 498 case 600: rate = ftdi_sio_b600; break; 499 case 1200: rate = ftdi_sio_b1200; break; 500 case 2400: rate = ftdi_sio_b2400; break; 501 case 4800: rate = ftdi_sio_b4800; break; 502 case 9600: rate = ftdi_sio_b9600; break; 503 case 19200: rate = ftdi_sio_b19200; break; 504 case 38400: rate = ftdi_sio_b38400; break; 505 case 57600: rate = ftdi_sio_b57600; break; 506 case 115200: rate = ftdi_sio_b115200; break; 507 default: 508 return (EINVAL); 509 } 510 break; 511 512 case UFTDI_TYPE_8U232AM: 513 switch(t->c_ospeed) { 514 case 300: rate = ftdi_8u232am_b300; break; 515 case 600: rate = ftdi_8u232am_b600; break; 516 case 1200: rate = ftdi_8u232am_b1200; break; 517 case 2400: rate = ftdi_8u232am_b2400; break; 518 case 4800: rate = ftdi_8u232am_b4800; break; 519 case 9600: rate = ftdi_8u232am_b9600; break; 520 case 19200: rate = ftdi_8u232am_b19200; break; 521 case 38400: rate = ftdi_8u232am_b38400; break; 522 case 57600: rate = ftdi_8u232am_b57600; break; 523 case 115200: rate = ftdi_8u232am_b115200; break; 524 case 230400: rate = ftdi_8u232am_b230400; break; 525 case 460800: rate = ftdi_8u232am_b460800; break; 526 case 921600: rate = ftdi_8u232am_b921600; break; 527 default: 528 return (EINVAL); 529 } 530 break; 531 532 default: 533 return (EINVAL); 534 } 535 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 536 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 537 USETW(req.wValue, rate); 538 USETW(req.wIndex, portno); 539 USETW(req.wLength, 0); 540 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 541 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 542 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 543 err = usbd_do_request(sc->sc_udev, &req, NULL); 544 if (err) 545 return (EIO); 546 547 if (ISSET(t->c_cflag, CSTOPB)) 548 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 549 else 550 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 551 if (ISSET(t->c_cflag, PARENB)) { 552 if (ISSET(t->c_cflag, PARODD)) 553 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 554 else 555 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 556 } else 557 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 558 switch (ISSET(t->c_cflag, CSIZE)) { 559 case CS5: 560 data |= FTDI_SIO_SET_DATA_BITS(5); 561 break; 562 case CS6: 563 data |= FTDI_SIO_SET_DATA_BITS(6); 564 break; 565 case CS7: 566 data |= FTDI_SIO_SET_DATA_BITS(7); 567 break; 568 case CS8: 569 data |= FTDI_SIO_SET_DATA_BITS(8); 570 break; 571 } 572 sc->last_lcr = data; 573 574 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 575 req.bRequest = FTDI_SIO_SET_DATA; 576 USETW(req.wValue, data); 577 USETW(req.wIndex, portno); 578 USETW(req.wLength, 0); 579 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 580 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 581 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 582 err = usbd_do_request(sc->sc_udev, &req, NULL); 583 if (err) 584 return (EIO); 585 586 if (ISSET(t->c_cflag, CRTSCTS)) { 587 flow = FTDI_SIO_RTS_CTS_HS; 588 USETW(req.wValue, 0); 589 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 590 flow = FTDI_SIO_XON_XOFF_HS; 591 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 592 } else { 593 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 594 USETW(req.wValue, 0); 595 } 596 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 597 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 598 USETW2(req.wIndex, flow, portno); 599 USETW(req.wLength, 0); 600 err = usbd_do_request(sc->sc_udev, &req, NULL); 601 if (err) 602 return (EIO); 603 604 return (0); 605 } 606 607 void 608 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 609 { 610 struct uftdi_softc *sc = vsc; 611 612 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 613 sc->sc_msr, sc->sc_lsr)); 614 615 if (msr != NULL) 616 *msr = sc->sc_msr; 617 if (lsr != NULL) 618 *lsr = sc->sc_lsr; 619 } 620 621 void 622 uftdi_break(void *vsc, int portno, int onoff) 623 { 624 struct uftdi_softc *sc = vsc; 625 usb_device_request_t req; 626 int data; 627 628 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 629 onoff)); 630 631 if (onoff) { 632 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 633 } else { 634 data = sc->last_lcr; 635 } 636 637 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 638 req.bRequest = FTDI_SIO_SET_DATA; 639 USETW(req.wValue, data); 640 USETW(req.wIndex, portno); 641 USETW(req.wLength, 0); 642 (void)usbd_do_request(sc->sc_udev, &req, NULL); 643 } 644
Indexes created Mon Sep 29 21:09:56 GMT 2025