uftdi.c revision 1.51
1 /* $NetBSD: uftdi.c,v 1.51 2012/02/11 05:27:55 plunky 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 1.51 2012/02/11 05:27:55 plunky 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 device_t 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_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 uftdi_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_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 147 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 148 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 149 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 150 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 151 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 152 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 153 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 154 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 155 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 156 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 157 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 158 }; 159 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 160 161 int uftdi_match(device_t, cfdata_t, void *); 162 void uftdi_attach(device_t, device_t, void *); 163 void uftdi_childdet(device_t, device_t); 164 int uftdi_detach(device_t, int); 165 int uftdi_activate(device_t, enum devact); 166 extern struct cfdriver uftdi_cd; 167 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 168 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 169 170 int 171 uftdi_match(device_t parent, cfdata_t match, void *aux) 172 { 173 struct usb_attach_arg *uaa = aux; 174 175 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 176 uaa->vendor, uaa->product)); 177 178 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 179 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 180 } 181 182 void 183 uftdi_attach(device_t parent, device_t self, void *aux) 184 { 185 struct uftdi_softc *sc = device_private(self); 186 struct usb_attach_arg *uaa = aux; 187 usbd_device_handle dev = uaa->device; 188 usbd_interface_handle iface; 189 usb_device_descriptor_t *ddesc; 190 usb_interface_descriptor_t *id; 191 usb_endpoint_descriptor_t *ed; 192 char *devinfop; 193 const char *devname = device_xname(self); 194 int i,idx; 195 usbd_status err; 196 struct ucom_attach_args uca; 197 198 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 199 200 aprint_naive("\n"); 201 aprint_normal("\n"); 202 203 devinfop = usbd_devinfo_alloc(dev, 0); 204 aprint_normal_dev(self, "%s\n", devinfop); 205 usbd_devinfo_free(devinfop); 206 207 /* Move the device into the configured state. */ 208 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 209 if (err) { 210 aprint_error("\n%s: failed to set configuration, err=%s\n", 211 devname, usbd_errstr(err)); 212 goto bad; 213 } 214 215 sc->sc_dev = self; 216 sc->sc_udev = dev; 217 sc->sc_numports = 1; 218 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 219 sc->sc_hdrlen = 0; 220 if (uaa->vendor == USB_VENDOR_FTDI 221 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 222 sc->sc_type = UFTDI_TYPE_SIO; 223 sc->sc_hdrlen = 1; 224 } 225 226 ddesc = usbd_get_device_descriptor(dev); 227 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 228 switch (sc->sc_chiptype) { 229 case 0x500: /* 2232D */ 230 case 0x700: /* 2232H */ 231 sc->sc_numports = 2; 232 break; 233 case 0x800: /* 4232H */ 234 sc->sc_numports = 4; 235 break; 236 case 0x200: /* 232/245AM */ 237 case 0x400: /* 232/245BL */ 238 case 0x600: /* 232/245R */ 239 default: 240 break; 241 } 242 243 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 244 err = usbd_device2interface_handle(dev, idx, &iface); 245 if (err) { 246 aprint_error( 247 "\n%s: failed to get interface idx=%d, err=%s\n", 248 devname, idx, usbd_errstr(err)); 249 goto bad; 250 } 251 252 id = usbd_get_interface_descriptor(iface); 253 254 sc->sc_iface[idx] = iface; 255 256 uca.bulkin = uca.bulkout = -1; 257 for (i = 0; i < id->bNumEndpoints; i++) { 258 int addr, dir, attr; 259 ed = usbd_interface2endpoint_descriptor(iface, i); 260 if (ed == NULL) { 261 aprint_error_dev(self, 262 "could not read endpoint descriptor: %s\n", 263 usbd_errstr(err)); 264 goto bad; 265 } 266 267 addr = ed->bEndpointAddress; 268 dir = UE_GET_DIR(ed->bEndpointAddress); 269 attr = ed->bmAttributes & UE_XFERTYPE; 270 if (dir == UE_DIR_IN && attr == UE_BULK) 271 uca.bulkin = addr; 272 else if (dir == UE_DIR_OUT && attr == UE_BULK) 273 uca.bulkout = addr; 274 else { 275 aprint_error_dev(self, 276 "unexpected endpoint\n"); 277 goto bad; 278 } 279 } 280 if (uca.bulkin == -1) { 281 aprint_error_dev(self, 282 "Could not find data bulk in\n"); 283 goto bad; 284 } 285 if (uca.bulkout == -1) { 286 aprint_error_dev(self, 287 "Could not find data bulk out\n"); 288 goto bad; 289 } 290 291 uca.portno = FTDI_PIT_SIOA + idx; 292 /* bulkin, bulkout set above */ 293 uca.ibufsize = UFTDIIBUFSIZE; 294 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 295 uca.ibufsizepad = UFTDIIBUFSIZE; 296 uca.opkthdrlen = sc->sc_hdrlen; 297 uca.device = dev; 298 uca.iface = iface; 299 uca.methods = &uftdi_methods; 300 uca.arg = sc; 301 uca.info = NULL; 302 303 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 304 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 305 &uca, ucomprint, ucomsubmatch); 306 } 307 308 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 309 sc->sc_dev); 310 311 return; 312 313 bad: 314 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 315 sc->sc_dying = 1; 316 return; 317 } 318 319 int 320 uftdi_activate(device_t self, enum devact act) 321 { 322 struct uftdi_softc *sc = device_private(self); 323 324 switch (act) { 325 case DVACT_DEACTIVATE: 326 sc->sc_dying = 1; 327 return 0; 328 default: 329 return EOPNOTSUPP; 330 } 331 } 332 333 void 334 uftdi_childdet(device_t self, device_t child) 335 { 336 int i; 337 struct uftdi_softc *sc = device_private(self); 338 339 for (i = 0; i < sc->sc_numports; i++) { 340 if (sc->sc_subdev[i] == child) 341 break; 342 } 343 KASSERT(i < sc->sc_numports); 344 sc->sc_subdev[i] = NULL; 345 } 346 347 int 348 uftdi_detach(device_t self, int flags) 349 { 350 struct uftdi_softc *sc = device_private(self); 351 int i; 352 353 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 354 sc->sc_dying = 1; 355 for (i=0; i < sc->sc_numports; i++) { 356 if (sc->sc_subdev[i] != NULL) 357 config_detach(sc->sc_subdev[i], flags); 358 } 359 360 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 361 sc->sc_dev); 362 363 return (0); 364 } 365 366 Static int 367 uftdi_open(void *vsc, int portno) 368 { 369 struct uftdi_softc *sc = vsc; 370 usb_device_request_t req; 371 usbd_status err; 372 struct termios t; 373 374 DPRINTF(("uftdi_open: sc=%p\n", sc)); 375 376 if (sc->sc_dying) 377 return (EIO); 378 379 /* Perform a full reset on the device */ 380 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 381 req.bRequest = FTDI_SIO_RESET; 382 USETW(req.wValue, FTDI_SIO_RESET_SIO); 383 USETW(req.wIndex, portno); 384 USETW(req.wLength, 0); 385 err = usbd_do_request(sc->sc_udev, &req, NULL); 386 if (err) 387 return (EIO); 388 389 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 390 t.c_ospeed = 9600; 391 t.c_cflag = CSTOPB | CS8; 392 (void)uftdi_param(sc, portno, &t); 393 394 /* Turn on RTS/CTS flow control */ 395 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 396 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 397 USETW(req.wValue, 0); 398 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 399 USETW(req.wLength, 0); 400 err = usbd_do_request(sc->sc_udev, &req, NULL); 401 if (err) 402 return (EIO); 403 404 return (0); 405 } 406 407 Static void 408 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 409 { 410 struct uftdi_softc *sc = vsc; 411 u_char msr, lsr; 412 413 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 414 *count)); 415 416 msr = FTDI_GET_MSR(*ptr); 417 lsr = FTDI_GET_LSR(*ptr); 418 419 #ifdef UFTDI_DEBUG 420 if (*count != 2) 421 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 422 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 423 #endif 424 425 if (sc->sc_msr != msr || 426 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 427 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 428 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 429 lsr, sc->sc_lsr)); 430 sc->sc_msr = msr; 431 sc->sc_lsr = lsr; 432 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 433 } 434 435 /* Adjust buffer pointer to skip status prefix */ 436 *ptr += 2; 437 } 438 439 Static void 440 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 441 { 442 struct uftdi_softc *sc = vsc; 443 444 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 445 vsc, portno, *count, from[0])); 446 447 /* Make length tag and copy data */ 448 if (sc->sc_hdrlen > 0) 449 *to = FTDI_OUT_TAG(*count, portno); 450 451 memcpy(to + sc->sc_hdrlen, from, *count); 452 *count += sc->sc_hdrlen; 453 } 454 455 Static void 456 uftdi_set(void *vsc, int portno, int reg, int onoff) 457 { 458 struct uftdi_softc *sc = vsc; 459 usb_device_request_t req; 460 int ctl; 461 462 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 463 reg, onoff)); 464 465 switch (reg) { 466 case UCOM_SET_DTR: 467 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 468 break; 469 case UCOM_SET_RTS: 470 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 471 break; 472 case UCOM_SET_BREAK: 473 uftdi_break(sc, portno, onoff); 474 return; 475 default: 476 return; 477 } 478 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 479 req.bRequest = FTDI_SIO_MODEM_CTRL; 480 USETW(req.wValue, ctl); 481 USETW(req.wIndex, portno); 482 USETW(req.wLength, 0); 483 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 484 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 485 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 486 (void)usbd_do_request(sc->sc_udev, &req, NULL); 487 } 488 489 Static int 490 uftdi_param(void *vsc, int portno, struct termios *t) 491 { 492 struct uftdi_softc *sc = vsc; 493 usb_device_request_t req; 494 usbd_status err; 495 int rate, data, flow; 496 497 DPRINTF(("uftdi_param: sc=%p\n", sc)); 498 499 if (sc->sc_dying) 500 return (EIO); 501 502 switch (sc->sc_type) { 503 case UFTDI_TYPE_SIO: 504 switch (t->c_ospeed) { 505 case 300: rate = ftdi_sio_b300; break; 506 case 600: rate = ftdi_sio_b600; break; 507 case 1200: rate = ftdi_sio_b1200; break; 508 case 2400: rate = ftdi_sio_b2400; break; 509 case 4800: rate = ftdi_sio_b4800; break; 510 case 9600: rate = ftdi_sio_b9600; break; 511 case 19200: rate = ftdi_sio_b19200; break; 512 case 38400: rate = ftdi_sio_b38400; break; 513 case 57600: rate = ftdi_sio_b57600; break; 514 case 115200: rate = ftdi_sio_b115200; break; 515 default: 516 return (EINVAL); 517 } 518 break; 519 520 case UFTDI_TYPE_8U232AM: 521 switch(t->c_ospeed) { 522 case 300: rate = ftdi_8u232am_b300; break; 523 case 600: rate = ftdi_8u232am_b600; break; 524 case 1200: rate = ftdi_8u232am_b1200; break; 525 case 2400: rate = ftdi_8u232am_b2400; break; 526 case 4800: rate = ftdi_8u232am_b4800; break; 527 case 9600: rate = ftdi_8u232am_b9600; break; 528 case 19200: rate = ftdi_8u232am_b19200; break; 529 case 38400: rate = ftdi_8u232am_b38400; break; 530 case 57600: rate = ftdi_8u232am_b57600; break; 531 case 115200: rate = ftdi_8u232am_b115200; break; 532 case 230400: rate = ftdi_8u232am_b230400; break; 533 case 460800: rate = ftdi_8u232am_b460800; break; 534 case 921600: rate = ftdi_8u232am_b921600; break; 535 default: 536 return (EINVAL); 537 } 538 break; 539 540 default: 541 return (EINVAL); 542 } 543 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 544 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 545 USETW(req.wValue, rate); 546 USETW(req.wIndex, portno); 547 USETW(req.wLength, 0); 548 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 549 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 550 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 551 err = usbd_do_request(sc->sc_udev, &req, NULL); 552 if (err) 553 return (EIO); 554 555 if (ISSET(t->c_cflag, CSTOPB)) 556 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 557 else 558 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 559 if (ISSET(t->c_cflag, PARENB)) { 560 if (ISSET(t->c_cflag, PARODD)) 561 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 562 else 563 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 564 } else 565 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 566 switch (ISSET(t->c_cflag, CSIZE)) { 567 case CS5: 568 data |= FTDI_SIO_SET_DATA_BITS(5); 569 break; 570 case CS6: 571 data |= FTDI_SIO_SET_DATA_BITS(6); 572 break; 573 case CS7: 574 data |= FTDI_SIO_SET_DATA_BITS(7); 575 break; 576 case CS8: 577 data |= FTDI_SIO_SET_DATA_BITS(8); 578 break; 579 } 580 sc->last_lcr = data; 581 582 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 583 req.bRequest = FTDI_SIO_SET_DATA; 584 USETW(req.wValue, data); 585 USETW(req.wIndex, portno); 586 USETW(req.wLength, 0); 587 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 588 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 589 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 590 err = usbd_do_request(sc->sc_udev, &req, NULL); 591 if (err) 592 return (EIO); 593 594 if (ISSET(t->c_cflag, CRTSCTS)) { 595 flow = FTDI_SIO_RTS_CTS_HS; 596 USETW(req.wValue, 0); 597 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 598 flow = FTDI_SIO_XON_XOFF_HS; 599 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 600 } else { 601 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 602 USETW(req.wValue, 0); 603 } 604 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 605 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 606 USETW2(req.wIndex, flow, portno); 607 USETW(req.wLength, 0); 608 err = usbd_do_request(sc->sc_udev, &req, NULL); 609 if (err) 610 return (EIO); 611 612 return (0); 613 } 614 615 void 616 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 617 { 618 struct uftdi_softc *sc = vsc; 619 620 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 621 sc->sc_msr, sc->sc_lsr)); 622 623 if (msr != NULL) 624 *msr = sc->sc_msr; 625 if (lsr != NULL) 626 *lsr = sc->sc_lsr; 627 } 628 629 void 630 uftdi_break(void *vsc, int portno, int onoff) 631 { 632 struct uftdi_softc *sc = vsc; 633 usb_device_request_t req; 634 int data; 635 636 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 637 onoff)); 638 639 if (onoff) { 640 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 641 } else { 642 data = sc->last_lcr; 643 } 644 645 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 646 req.bRequest = FTDI_SIO_SET_DATA; 647 USETW(req.wValue, data); 648 USETW(req.wIndex, portno); 649 USETW(req.wLength, 0); 650 (void)usbd_do_request(sc->sc_udev, &req, NULL); 651 } 652
Indexes created Tue Sep 30 11:09:46 GMT 2025