uftdi.c revision 1.55
1 /* $NetBSD: uftdi.c,v 1.55 2013/01/20 13:43:24 reinoud 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 1.55 2013/01/20 13:43:24 reinoud 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 default number of bytes transferred per frame if the 67 * endpoint doesn't tell us. The output buffer size is a hard limit 68 * for devices that use a 6-bit size encoding. 69 */ 70 #define UFTDIIBUFSIZE 64 71 #define UFTDIOBUFSIZE 64 72 73 /* 74 * Magic constants! Where do these come from? They're what Linux uses... 75 */ 76 #define UFTDI_MAX_IBUFSIZE 512 77 #define UFTDI_MAX_OBUFSIZE 256 78 79 struct uftdi_softc { 80 device_t sc_dev; /* base device */ 81 usbd_device_handle sc_udev; /* device */ 82 usbd_interface_handle sc_iface[UFTDI_MAX_PORTS]; /* interface */ 83 84 enum uftdi_type sc_type; 85 u_int sc_hdrlen; 86 u_int sc_numports; 87 u_int sc_chiptype; 88 89 u_char sc_msr; 90 u_char sc_lsr; 91 92 device_t sc_subdev[UFTDI_MAX_PORTS]; 93 94 u_char sc_dying; 95 96 u_int last_lcr; 97 98 }; 99 100 Static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr); 101 Static void uftdi_set(void *, int, int, int); 102 Static int uftdi_param(void *, int, struct termios *); 103 Static int uftdi_open(void *sc, int portno); 104 Static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count); 105 Static void uftdi_write(void *sc, int portno, u_char *to, u_char *from, 106 u_int32_t *count); 107 Static void uftdi_break(void *sc, int portno, int onoff); 108 109 struct ucom_methods uftdi_methods = { 110 uftdi_get_status, 111 uftdi_set, 112 uftdi_param, 113 NULL, 114 uftdi_open, 115 NULL, 116 uftdi_read, 117 uftdi_write, 118 }; 119 120 /* 121 * The devices default to UFTDI_TYPE_8U232AM. 122 * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead 123 */ 124 static const struct usb_devno uftdi_devs[] = { 125 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 126 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 127 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 128 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232H }, 129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 154 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, 155 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, 156 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 157 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 158 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 159 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 160 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 161 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 162 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 163 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 164 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 165 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 166 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 167 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 168 }; 169 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 170 171 int uftdi_match(device_t, cfdata_t, void *); 172 void uftdi_attach(device_t, device_t, void *); 173 void uftdi_childdet(device_t, device_t); 174 int uftdi_detach(device_t, int); 175 int uftdi_activate(device_t, enum devact); 176 extern struct cfdriver uftdi_cd; 177 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 178 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 179 180 int 181 uftdi_match(device_t parent, cfdata_t match, void *aux) 182 { 183 struct usb_attach_arg *uaa = aux; 184 185 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 186 uaa->vendor, uaa->product)); 187 188 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 189 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 190 } 191 192 void 193 uftdi_attach(device_t parent, device_t self, void *aux) 194 { 195 struct uftdi_softc *sc = device_private(self); 196 struct usb_attach_arg *uaa = aux; 197 usbd_device_handle dev = uaa->device; 198 usbd_interface_handle iface; 199 usb_device_descriptor_t *ddesc; 200 usb_interface_descriptor_t *id; 201 usb_endpoint_descriptor_t *ed; 202 char *devinfop; 203 const char *devname = device_xname(self); 204 int i,idx; 205 usbd_status err; 206 struct ucom_attach_args uca; 207 208 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 209 210 aprint_naive("\n"); 211 aprint_normal("\n"); 212 213 devinfop = usbd_devinfo_alloc(dev, 0); 214 aprint_normal_dev(self, "%s\n", devinfop); 215 usbd_devinfo_free(devinfop); 216 217 /* Move the device into the configured state. */ 218 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 219 if (err) { 220 aprint_error("\n%s: failed to set configuration, err=%s\n", 221 devname, usbd_errstr(err)); 222 goto bad; 223 } 224 225 sc->sc_dev = self; 226 sc->sc_udev = dev; 227 sc->sc_numports = 1; 228 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 229 sc->sc_hdrlen = 0; 230 if (uaa->vendor == USB_VENDOR_FTDI 231 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 232 sc->sc_type = UFTDI_TYPE_SIO; 233 sc->sc_hdrlen = 1; 234 } 235 236 ddesc = usbd_get_device_descriptor(dev); 237 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 238 switch (sc->sc_chiptype) { 239 case 0x500: /* 2232D */ 240 case 0x700: /* 2232H */ 241 sc->sc_numports = 2; 242 break; 243 case 0x800: /* 4232H */ 244 sc->sc_numports = 4; 245 break; 246 case 0x200: /* 232/245AM */ 247 case 0x400: /* 232/245BL */ 248 case 0x600: /* 232/245R */ 249 default: 250 break; 251 } 252 253 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 254 err = usbd_device2interface_handle(dev, idx, &iface); 255 if (err) { 256 aprint_error( 257 "\n%s: failed to get interface idx=%d, err=%s\n", 258 devname, idx, usbd_errstr(err)); 259 goto bad; 260 } 261 262 id = usbd_get_interface_descriptor(iface); 263 264 sc->sc_iface[idx] = iface; 265 266 uca.bulkin = uca.bulkout = -1; 267 uca.ibufsize = uca.obufsize = 0; 268 for (i = 0; i < id->bNumEndpoints; i++) { 269 int addr, dir, attr; 270 ed = usbd_interface2endpoint_descriptor(iface, i); 271 if (ed == NULL) { 272 aprint_error_dev(self, 273 "could not read endpoint descriptor: %s\n", 274 usbd_errstr(err)); 275 goto bad; 276 } 277 278 addr = ed->bEndpointAddress; 279 dir = UE_GET_DIR(ed->bEndpointAddress); 280 attr = ed->bmAttributes & UE_XFERTYPE; 281 if (dir == UE_DIR_IN && attr == UE_BULK) { 282 uca.bulkin = addr; 283 uca.ibufsize = UGETW(ed->wMaxPacketSize); 284 if (uca.ibufsize >= UFTDI_MAX_IBUFSIZE) 285 uca.ibufsize = UFTDI_MAX_IBUFSIZE; 286 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 287 uca.bulkout = addr; 288 uca.obufsize = UGETW(ed->wMaxPacketSize) 289 - sc->sc_hdrlen; 290 if (uca.obufsize >= UFTDI_MAX_OBUFSIZE) 291 uca.obufsize = UFTDI_MAX_OBUFSIZE; 292 /* Limit length if we have a 6-bit header. */ 293 if ((sc->sc_hdrlen > 0) && 294 (uca.obufsize > UFTDIOBUFSIZE)) 295 uca.obufsize = UFTDIOBUFSIZE; 296 } else { 297 aprint_error_dev(self, 298 "unexpected endpoint\n"); 299 goto bad; 300 } 301 } 302 if (uca.bulkin == -1) { 303 aprint_error_dev(self, 304 "Could not find data bulk in\n"); 305 goto bad; 306 } 307 if (uca.bulkout == -1) { 308 aprint_error_dev(self, 309 "Could not find data bulk out\n"); 310 goto bad; 311 } 312 313 uca.portno = FTDI_PIT_SIOA + idx; 314 /* bulkin, bulkout set above */ 315 if (uca.ibufsize == 0) 316 uca.ibufsize = UFTDIIBUFSIZE; 317 uca.ibufsizepad = uca.ibufsize; 318 if (uca.obufsize == 0) 319 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 320 uca.opkthdrlen = sc->sc_hdrlen; 321 uca.device = dev; 322 uca.iface = iface; 323 uca.methods = &uftdi_methods; 324 uca.arg = sc; 325 uca.info = NULL; 326 327 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 328 uca.bulkin, uca.bulkout, 329 uca.ibufsize, uca.obufsize)); 330 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 331 &uca, ucomprint, ucomsubmatch); 332 } 333 334 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 335 sc->sc_dev); 336 337 return; 338 339 bad: 340 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 341 sc->sc_dying = 1; 342 return; 343 } 344 345 int 346 uftdi_activate(device_t self, enum devact act) 347 { 348 struct uftdi_softc *sc = device_private(self); 349 350 switch (act) { 351 case DVACT_DEACTIVATE: 352 sc->sc_dying = 1; 353 return 0; 354 default: 355 return EOPNOTSUPP; 356 } 357 } 358 359 void 360 uftdi_childdet(device_t self, device_t child) 361 { 362 int i; 363 struct uftdi_softc *sc = device_private(self); 364 365 for (i = 0; i < sc->sc_numports; i++) { 366 if (sc->sc_subdev[i] == child) 367 break; 368 } 369 KASSERT(i < sc->sc_numports); 370 sc->sc_subdev[i] = NULL; 371 } 372 373 int 374 uftdi_detach(device_t self, int flags) 375 { 376 struct uftdi_softc *sc = device_private(self); 377 int i; 378 379 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 380 sc->sc_dying = 1; 381 for (i=0; i < sc->sc_numports; i++) { 382 if (sc->sc_subdev[i] != NULL) 383 config_detach(sc->sc_subdev[i], flags); 384 } 385 386 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 387 sc->sc_dev); 388 389 return (0); 390 } 391 392 Static int 393 uftdi_open(void *vsc, int portno) 394 { 395 struct uftdi_softc *sc = vsc; 396 usb_device_request_t req; 397 usbd_status err; 398 struct termios t; 399 400 DPRINTF(("uftdi_open: sc=%p\n", sc)); 401 402 if (sc->sc_dying) 403 return (EIO); 404 405 /* Perform a full reset on the device */ 406 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 407 req.bRequest = FTDI_SIO_RESET; 408 USETW(req.wValue, FTDI_SIO_RESET_SIO); 409 USETW(req.wIndex, portno); 410 USETW(req.wLength, 0); 411 err = usbd_do_request(sc->sc_udev, &req, NULL); 412 if (err) 413 return (EIO); 414 415 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 416 t.c_ospeed = 9600; 417 t.c_cflag = CSTOPB | CS8; 418 (void)uftdi_param(sc, portno, &t); 419 420 /* Turn on RTS/CTS flow control */ 421 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 422 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 423 USETW(req.wValue, 0); 424 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 425 USETW(req.wLength, 0); 426 err = usbd_do_request(sc->sc_udev, &req, NULL); 427 if (err) 428 return (EIO); 429 430 return (0); 431 } 432 433 Static void 434 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 435 { 436 struct uftdi_softc *sc = vsc; 437 u_char msr, lsr; 438 439 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 440 *count)); 441 442 msr = FTDI_GET_MSR(*ptr); 443 lsr = FTDI_GET_LSR(*ptr); 444 445 #ifdef UFTDI_DEBUG 446 if (*count != 2) 447 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 448 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 449 #endif 450 451 if (sc->sc_msr != msr || 452 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 453 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 454 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 455 lsr, sc->sc_lsr)); 456 sc->sc_msr = msr; 457 sc->sc_lsr = lsr; 458 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 459 } 460 461 /* Adjust buffer pointer to skip status prefix */ 462 *ptr += 2; 463 } 464 465 Static void 466 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 467 { 468 struct uftdi_softc *sc = vsc; 469 470 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 471 vsc, portno, *count, from[0])); 472 473 /* Make length tag and copy data */ 474 if (sc->sc_hdrlen > 0) 475 *to = FTDI_OUT_TAG(*count, portno); 476 477 memcpy(to + sc->sc_hdrlen, from, *count); 478 *count += sc->sc_hdrlen; 479 } 480 481 Static void 482 uftdi_set(void *vsc, int portno, int reg, int onoff) 483 { 484 struct uftdi_softc *sc = vsc; 485 usb_device_request_t req; 486 int ctl; 487 488 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 489 reg, onoff)); 490 491 switch (reg) { 492 case UCOM_SET_DTR: 493 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 494 break; 495 case UCOM_SET_RTS: 496 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 497 break; 498 case UCOM_SET_BREAK: 499 uftdi_break(sc, portno, onoff); 500 return; 501 default: 502 return; 503 } 504 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 505 req.bRequest = FTDI_SIO_MODEM_CTRL; 506 USETW(req.wValue, ctl); 507 USETW(req.wIndex, portno); 508 USETW(req.wLength, 0); 509 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 510 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 511 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 512 (void)usbd_do_request(sc->sc_udev, &req, NULL); 513 } 514 515 Static int 516 uftdi_param(void *vsc, int portno, struct termios *t) 517 { 518 struct uftdi_softc *sc = vsc; 519 usb_device_request_t req; 520 usbd_status err; 521 int rate, data, flow; 522 523 DPRINTF(("uftdi_param: sc=%p\n", sc)); 524 525 if (sc->sc_dying) 526 return (EIO); 527 528 switch (sc->sc_type) { 529 case UFTDI_TYPE_SIO: 530 switch (t->c_ospeed) { 531 case 300: rate = ftdi_sio_b300; break; 532 case 600: rate = ftdi_sio_b600; break; 533 case 1200: rate = ftdi_sio_b1200; break; 534 case 2400: rate = ftdi_sio_b2400; break; 535 case 4800: rate = ftdi_sio_b4800; break; 536 case 9600: rate = ftdi_sio_b9600; break; 537 case 19200: rate = ftdi_sio_b19200; break; 538 case 38400: rate = ftdi_sio_b38400; break; 539 case 57600: rate = ftdi_sio_b57600; break; 540 case 115200: rate = ftdi_sio_b115200; break; 541 default: 542 return (EINVAL); 543 } 544 break; 545 546 case UFTDI_TYPE_8U232AM: 547 switch(t->c_ospeed) { 548 case 300: rate = ftdi_8u232am_b300; break; 549 case 600: rate = ftdi_8u232am_b600; break; 550 case 1200: rate = ftdi_8u232am_b1200; break; 551 case 2400: rate = ftdi_8u232am_b2400; break; 552 case 4800: rate = ftdi_8u232am_b4800; break; 553 case 9600: rate = ftdi_8u232am_b9600; break; 554 case 19200: rate = ftdi_8u232am_b19200; break; 555 case 38400: rate = ftdi_8u232am_b38400; break; 556 case 57600: rate = ftdi_8u232am_b57600; break; 557 case 115200: rate = ftdi_8u232am_b115200; break; 558 case 230400: rate = ftdi_8u232am_b230400; break; 559 case 460800: rate = ftdi_8u232am_b460800; break; 560 case 921600: rate = ftdi_8u232am_b921600; break; 561 default: 562 return (EINVAL); 563 } 564 break; 565 566 default: 567 return (EINVAL); 568 } 569 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 570 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 571 USETW(req.wValue, rate); 572 USETW(req.wIndex, portno); 573 USETW(req.wLength, 0); 574 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 575 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 576 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 577 err = usbd_do_request(sc->sc_udev, &req, NULL); 578 if (err) 579 return (EIO); 580 581 if (ISSET(t->c_cflag, CSTOPB)) 582 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 583 else 584 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 585 if (ISSET(t->c_cflag, PARENB)) { 586 if (ISSET(t->c_cflag, PARODD)) 587 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 588 else 589 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 590 } else 591 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 592 switch (ISSET(t->c_cflag, CSIZE)) { 593 case CS5: 594 data |= FTDI_SIO_SET_DATA_BITS(5); 595 break; 596 case CS6: 597 data |= FTDI_SIO_SET_DATA_BITS(6); 598 break; 599 case CS7: 600 data |= FTDI_SIO_SET_DATA_BITS(7); 601 break; 602 case CS8: 603 data |= FTDI_SIO_SET_DATA_BITS(8); 604 break; 605 } 606 sc->last_lcr = data; 607 608 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 609 req.bRequest = FTDI_SIO_SET_DATA; 610 USETW(req.wValue, data); 611 USETW(req.wIndex, portno); 612 USETW(req.wLength, 0); 613 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 614 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 615 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 616 err = usbd_do_request(sc->sc_udev, &req, NULL); 617 if (err) 618 return (EIO); 619 620 if (ISSET(t->c_cflag, CRTSCTS)) { 621 flow = FTDI_SIO_RTS_CTS_HS; 622 USETW(req.wValue, 0); 623 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 624 flow = FTDI_SIO_XON_XOFF_HS; 625 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 626 } else { 627 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 628 USETW(req.wValue, 0); 629 } 630 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 631 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 632 USETW2(req.wIndex, flow, portno); 633 USETW(req.wLength, 0); 634 err = usbd_do_request(sc->sc_udev, &req, NULL); 635 if (err) 636 return (EIO); 637 638 return (0); 639 } 640 641 void 642 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 643 { 644 struct uftdi_softc *sc = vsc; 645 646 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 647 sc->sc_msr, sc->sc_lsr)); 648 649 if (msr != NULL) 650 *msr = sc->sc_msr; 651 if (lsr != NULL) 652 *lsr = sc->sc_lsr; 653 } 654 655 void 656 uftdi_break(void *vsc, int portno, int onoff) 657 { 658 struct uftdi_softc *sc = vsc; 659 usb_device_request_t req; 660 int data; 661 662 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 663 onoff)); 664 665 if (onoff) { 666 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 667 } else { 668 data = sc->last_lcr; 669 } 670 671 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 672 req.bRequest = FTDI_SIO_SET_DATA; 673 USETW(req.wValue, data); 674 USETW(req.wIndex, portno); 675 USETW(req.wLength, 0); 676 (void)usbd_do_request(sc->sc_udev, &req, NULL); 677 } 678
Indexes created Tue Sep 30 11:09:46 GMT 2025