uftdi.c revision 1.50
1 /* $NetBSD: uftdi.c,v 1.50 2011/12/23 00:51:45 jakllsch 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 1.50 2011/12/23 00:51:45 jakllsch 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 }; 157 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 158 159 int uftdi_match(device_t, cfdata_t, void *); 160 void uftdi_attach(device_t, device_t, void *); 161 void uftdi_childdet(device_t, device_t); 162 int uftdi_detach(device_t, int); 163 int uftdi_activate(device_t, enum devact); 164 extern struct cfdriver uftdi_cd; 165 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 166 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 167 168 int 169 uftdi_match(device_t parent, cfdata_t match, void *aux) 170 { 171 struct usb_attach_arg *uaa = aux; 172 173 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 174 uaa->vendor, uaa->product)); 175 176 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 177 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 178 } 179 180 void 181 uftdi_attach(device_t parent, device_t self, void *aux) 182 { 183 struct uftdi_softc *sc = device_private(self); 184 struct usb_attach_arg *uaa = aux; 185 usbd_device_handle dev = uaa->device; 186 usbd_interface_handle iface; 187 usb_device_descriptor_t *ddesc; 188 usb_interface_descriptor_t *id; 189 usb_endpoint_descriptor_t *ed; 190 char *devinfop; 191 const char *devname = device_xname(self); 192 int i,idx; 193 usbd_status err; 194 struct ucom_attach_args uca; 195 196 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 197 198 aprint_naive("\n"); 199 aprint_normal("\n"); 200 201 devinfop = usbd_devinfo_alloc(dev, 0); 202 aprint_normal_dev(self, "%s\n", devinfop); 203 usbd_devinfo_free(devinfop); 204 205 /* Move the device into the configured state. */ 206 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 207 if (err) { 208 aprint_error("\n%s: failed to set configuration, err=%s\n", 209 devname, usbd_errstr(err)); 210 goto bad; 211 } 212 213 sc->sc_dev = self; 214 sc->sc_udev = dev; 215 sc->sc_numports = 1; 216 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 217 sc->sc_hdrlen = 0; 218 if (uaa->vendor == USB_VENDOR_FTDI 219 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 220 sc->sc_type = UFTDI_TYPE_SIO; 221 sc->sc_hdrlen = 1; 222 } 223 224 ddesc = usbd_get_device_descriptor(dev); 225 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 226 switch (sc->sc_chiptype) { 227 case 0x500: /* 2232D */ 228 case 0x700: /* 2232H */ 229 sc->sc_numports = 2; 230 break; 231 case 0x800: /* 4232H */ 232 sc->sc_numports = 4; 233 break; 234 case 0x200: /* 232/245AM */ 235 case 0x400: /* 232/245BL */ 236 case 0x600: /* 232/245R */ 237 default: 238 break; 239 } 240 241 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 242 err = usbd_device2interface_handle(dev, idx, &iface); 243 if (err) { 244 aprint_error( 245 "\n%s: failed to get interface idx=%d, err=%s\n", 246 devname, idx, usbd_errstr(err)); 247 goto bad; 248 } 249 250 id = usbd_get_interface_descriptor(iface); 251 252 sc->sc_iface[idx] = iface; 253 254 uca.bulkin = uca.bulkout = -1; 255 for (i = 0; i < id->bNumEndpoints; i++) { 256 int addr, dir, attr; 257 ed = usbd_interface2endpoint_descriptor(iface, i); 258 if (ed == NULL) { 259 aprint_error_dev(self, 260 "could not read endpoint descriptor: %s\n", 261 usbd_errstr(err)); 262 goto bad; 263 } 264 265 addr = ed->bEndpointAddress; 266 dir = UE_GET_DIR(ed->bEndpointAddress); 267 attr = ed->bmAttributes & UE_XFERTYPE; 268 if (dir == UE_DIR_IN && attr == UE_BULK) 269 uca.bulkin = addr; 270 else if (dir == UE_DIR_OUT && attr == UE_BULK) 271 uca.bulkout = addr; 272 else { 273 aprint_error_dev(self, 274 "unexpected endpoint\n"); 275 goto bad; 276 } 277 } 278 if (uca.bulkin == -1) { 279 aprint_error_dev(self, 280 "Could not find data bulk in\n"); 281 goto bad; 282 } 283 if (uca.bulkout == -1) { 284 aprint_error_dev(self, 285 "Could not find data bulk out\n"); 286 goto bad; 287 } 288 289 uca.portno = FTDI_PIT_SIOA + idx; 290 /* bulkin, bulkout set above */ 291 uca.ibufsize = UFTDIIBUFSIZE; 292 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 293 uca.ibufsizepad = UFTDIIBUFSIZE; 294 uca.opkthdrlen = sc->sc_hdrlen; 295 uca.device = dev; 296 uca.iface = iface; 297 uca.methods = &uftdi_methods; 298 uca.arg = sc; 299 uca.info = NULL; 300 301 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 302 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 303 &uca, ucomprint, ucomsubmatch); 304 } 305 306 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 307 sc->sc_dev); 308 309 return; 310 311 bad: 312 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 313 sc->sc_dying = 1; 314 return; 315 } 316 317 int 318 uftdi_activate(device_t self, enum devact act) 319 { 320 struct uftdi_softc *sc = device_private(self); 321 322 switch (act) { 323 case DVACT_DEACTIVATE: 324 sc->sc_dying = 1; 325 return 0; 326 default: 327 return EOPNOTSUPP; 328 } 329 } 330 331 void 332 uftdi_childdet(device_t self, device_t child) 333 { 334 int i; 335 struct uftdi_softc *sc = device_private(self); 336 337 for (i = 0; i < sc->sc_numports; i++) { 338 if (sc->sc_subdev[i] == child) 339 break; 340 } 341 KASSERT(i < sc->sc_numports); 342 sc->sc_subdev[i] = NULL; 343 } 344 345 int 346 uftdi_detach(device_t self, int flags) 347 { 348 struct uftdi_softc *sc = device_private(self); 349 int i; 350 351 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 352 sc->sc_dying = 1; 353 for (i=0; i < sc->sc_numports; i++) { 354 if (sc->sc_subdev[i] != NULL) 355 config_detach(sc->sc_subdev[i], flags); 356 } 357 358 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 359 sc->sc_dev); 360 361 return (0); 362 } 363 364 Static int 365 uftdi_open(void *vsc, int portno) 366 { 367 struct uftdi_softc *sc = vsc; 368 usb_device_request_t req; 369 usbd_status err; 370 struct termios t; 371 372 DPRINTF(("uftdi_open: sc=%p\n", sc)); 373 374 if (sc->sc_dying) 375 return (EIO); 376 377 /* Perform a full reset on the device */ 378 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 379 req.bRequest = FTDI_SIO_RESET; 380 USETW(req.wValue, FTDI_SIO_RESET_SIO); 381 USETW(req.wIndex, portno); 382 USETW(req.wLength, 0); 383 err = usbd_do_request(sc->sc_udev, &req, NULL); 384 if (err) 385 return (EIO); 386 387 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 388 t.c_ospeed = 9600; 389 t.c_cflag = CSTOPB | CS8; 390 (void)uftdi_param(sc, portno, &t); 391 392 /* Turn on RTS/CTS flow control */ 393 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 394 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 395 USETW(req.wValue, 0); 396 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 397 USETW(req.wLength, 0); 398 err = usbd_do_request(sc->sc_udev, &req, NULL); 399 if (err) 400 return (EIO); 401 402 return (0); 403 } 404 405 Static void 406 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 407 { 408 struct uftdi_softc *sc = vsc; 409 u_char msr, lsr; 410 411 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 412 *count)); 413 414 msr = FTDI_GET_MSR(*ptr); 415 lsr = FTDI_GET_LSR(*ptr); 416 417 #ifdef UFTDI_DEBUG 418 if (*count != 2) 419 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 420 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 421 #endif 422 423 if (sc->sc_msr != msr || 424 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 425 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 426 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 427 lsr, sc->sc_lsr)); 428 sc->sc_msr = msr; 429 sc->sc_lsr = lsr; 430 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 431 } 432 433 /* Adjust buffer pointer to skip status prefix */ 434 *ptr += 2; 435 } 436 437 Static void 438 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 439 { 440 struct uftdi_softc *sc = vsc; 441 442 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 443 vsc, portno, *count, from[0])); 444 445 /* Make length tag and copy data */ 446 if (sc->sc_hdrlen > 0) 447 *to = FTDI_OUT_TAG(*count, portno); 448 449 memcpy(to + sc->sc_hdrlen, from, *count); 450 *count += sc->sc_hdrlen; 451 } 452 453 Static void 454 uftdi_set(void *vsc, int portno, int reg, int onoff) 455 { 456 struct uftdi_softc *sc = vsc; 457 usb_device_request_t req; 458 int ctl; 459 460 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 461 reg, onoff)); 462 463 switch (reg) { 464 case UCOM_SET_DTR: 465 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 466 break; 467 case UCOM_SET_RTS: 468 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 469 break; 470 case UCOM_SET_BREAK: 471 uftdi_break(sc, portno, onoff); 472 return; 473 default: 474 return; 475 } 476 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 477 req.bRequest = FTDI_SIO_MODEM_CTRL; 478 USETW(req.wValue, ctl); 479 USETW(req.wIndex, portno); 480 USETW(req.wLength, 0); 481 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 482 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 483 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 484 (void)usbd_do_request(sc->sc_udev, &req, NULL); 485 } 486 487 Static int 488 uftdi_param(void *vsc, int portno, struct termios *t) 489 { 490 struct uftdi_softc *sc = vsc; 491 usb_device_request_t req; 492 usbd_status err; 493 int rate, data, flow; 494 495 DPRINTF(("uftdi_param: sc=%p\n", sc)); 496 497 if (sc->sc_dying) 498 return (EIO); 499 500 switch (sc->sc_type) { 501 case UFTDI_TYPE_SIO: 502 switch (t->c_ospeed) { 503 case 300: rate = ftdi_sio_b300; break; 504 case 600: rate = ftdi_sio_b600; break; 505 case 1200: rate = ftdi_sio_b1200; break; 506 case 2400: rate = ftdi_sio_b2400; break; 507 case 4800: rate = ftdi_sio_b4800; break; 508 case 9600: rate = ftdi_sio_b9600; break; 509 case 19200: rate = ftdi_sio_b19200; break; 510 case 38400: rate = ftdi_sio_b38400; break; 511 case 57600: rate = ftdi_sio_b57600; break; 512 case 115200: rate = ftdi_sio_b115200; break; 513 default: 514 return (EINVAL); 515 } 516 break; 517 518 case UFTDI_TYPE_8U232AM: 519 switch(t->c_ospeed) { 520 case 300: rate = ftdi_8u232am_b300; break; 521 case 600: rate = ftdi_8u232am_b600; break; 522 case 1200: rate = ftdi_8u232am_b1200; break; 523 case 2400: rate = ftdi_8u232am_b2400; break; 524 case 4800: rate = ftdi_8u232am_b4800; break; 525 case 9600: rate = ftdi_8u232am_b9600; break; 526 case 19200: rate = ftdi_8u232am_b19200; break; 527 case 38400: rate = ftdi_8u232am_b38400; break; 528 case 57600: rate = ftdi_8u232am_b57600; break; 529 case 115200: rate = ftdi_8u232am_b115200; break; 530 case 230400: rate = ftdi_8u232am_b230400; break; 531 case 460800: rate = ftdi_8u232am_b460800; break; 532 case 921600: rate = ftdi_8u232am_b921600; break; 533 default: 534 return (EINVAL); 535 } 536 break; 537 538 default: 539 return (EINVAL); 540 } 541 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 542 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 543 USETW(req.wValue, rate); 544 USETW(req.wIndex, portno); 545 USETW(req.wLength, 0); 546 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 547 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 548 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 549 err = usbd_do_request(sc->sc_udev, &req, NULL); 550 if (err) 551 return (EIO); 552 553 if (ISSET(t->c_cflag, CSTOPB)) 554 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 555 else 556 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 557 if (ISSET(t->c_cflag, PARENB)) { 558 if (ISSET(t->c_cflag, PARODD)) 559 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 560 else 561 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 562 } else 563 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 564 switch (ISSET(t->c_cflag, CSIZE)) { 565 case CS5: 566 data |= FTDI_SIO_SET_DATA_BITS(5); 567 break; 568 case CS6: 569 data |= FTDI_SIO_SET_DATA_BITS(6); 570 break; 571 case CS7: 572 data |= FTDI_SIO_SET_DATA_BITS(7); 573 break; 574 case CS8: 575 data |= FTDI_SIO_SET_DATA_BITS(8); 576 break; 577 } 578 sc->last_lcr = data; 579 580 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 581 req.bRequest = FTDI_SIO_SET_DATA; 582 USETW(req.wValue, data); 583 USETW(req.wIndex, portno); 584 USETW(req.wLength, 0); 585 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 586 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 587 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 588 err = usbd_do_request(sc->sc_udev, &req, NULL); 589 if (err) 590 return (EIO); 591 592 if (ISSET(t->c_cflag, CRTSCTS)) { 593 flow = FTDI_SIO_RTS_CTS_HS; 594 USETW(req.wValue, 0); 595 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 596 flow = FTDI_SIO_XON_XOFF_HS; 597 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 598 } else { 599 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 600 USETW(req.wValue, 0); 601 } 602 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 603 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 604 USETW2(req.wIndex, flow, portno); 605 USETW(req.wLength, 0); 606 err = usbd_do_request(sc->sc_udev, &req, NULL); 607 if (err) 608 return (EIO); 609 610 return (0); 611 } 612 613 void 614 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 615 { 616 struct uftdi_softc *sc = vsc; 617 618 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 619 sc->sc_msr, sc->sc_lsr)); 620 621 if (msr != NULL) 622 *msr = sc->sc_msr; 623 if (lsr != NULL) 624 *lsr = sc->sc_lsr; 625 } 626 627 void 628 uftdi_break(void *vsc, int portno, int onoff) 629 { 630 struct uftdi_softc *sc = vsc; 631 usb_device_request_t req; 632 int data; 633 634 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 635 onoff)); 636 637 if (onoff) { 638 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 639 } else { 640 data = sc->last_lcr; 641 } 642 643 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 644 req.bRequest = FTDI_SIO_SET_DATA; 645 USETW(req.wValue, data); 646 USETW(req.wIndex, portno); 647 USETW(req.wLength, 0); 648 (void)usbd_do_request(sc->sc_udev, &req, NULL); 649 } 650
Indexes created Tue Sep 30 20:09:53 GMT 2025