uftdi.c revision 1.57
1 /* $NetBSD: uftdi.c,v 1.57 2013/03/24 23:00:48 cheusov 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 1.57 2013/03/24 23:00:48 cheusov 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_232RL }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 154 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 155 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, 156 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_BEAGLEBONE }, 157 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, 158 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 159 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 160 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 161 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 162 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 163 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 164 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 165 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 166 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 167 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 168 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 169 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 170 }; 171 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 172 173 int uftdi_match(device_t, cfdata_t, void *); 174 void uftdi_attach(device_t, device_t, void *); 175 void uftdi_childdet(device_t, device_t); 176 int uftdi_detach(device_t, int); 177 int uftdi_activate(device_t, enum devact); 178 extern struct cfdriver uftdi_cd; 179 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 180 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 181 182 int 183 uftdi_match(device_t parent, cfdata_t match, void *aux) 184 { 185 struct usb_attach_arg *uaa = aux; 186 187 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 188 uaa->vendor, uaa->product)); 189 190 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 191 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 192 } 193 194 void 195 uftdi_attach(device_t parent, device_t self, void *aux) 196 { 197 struct uftdi_softc *sc = device_private(self); 198 struct usb_attach_arg *uaa = aux; 199 usbd_device_handle dev = uaa->device; 200 usbd_interface_handle iface; 201 usb_device_descriptor_t *ddesc; 202 usb_interface_descriptor_t *id; 203 usb_endpoint_descriptor_t *ed; 204 char *devinfop; 205 const char *devname = device_xname(self); 206 int i,idx; 207 usbd_status err; 208 struct ucom_attach_args uca; 209 210 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 211 212 aprint_naive("\n"); 213 aprint_normal("\n"); 214 215 devinfop = usbd_devinfo_alloc(dev, 0); 216 aprint_normal_dev(self, "%s\n", devinfop); 217 usbd_devinfo_free(devinfop); 218 219 /* Move the device into the configured state. */ 220 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 221 if (err) { 222 aprint_error("\n%s: failed to set configuration, err=%s\n", 223 devname, usbd_errstr(err)); 224 goto bad; 225 } 226 227 sc->sc_dev = self; 228 sc->sc_udev = dev; 229 sc->sc_numports = 1; 230 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 231 sc->sc_hdrlen = 0; 232 if (uaa->vendor == USB_VENDOR_FTDI 233 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 234 sc->sc_type = UFTDI_TYPE_SIO; 235 sc->sc_hdrlen = 1; 236 } 237 238 ddesc = usbd_get_device_descriptor(dev); 239 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 240 switch (sc->sc_chiptype) { 241 case 0x500: /* 2232D */ 242 case 0x700: /* 2232H */ 243 sc->sc_numports = 2; 244 break; 245 case 0x800: /* 4232H */ 246 sc->sc_numports = 4; 247 break; 248 case 0x200: /* 232/245AM */ 249 case 0x400: /* 232/245BL */ 250 case 0x600: /* 232/245R */ 251 default: 252 break; 253 } 254 255 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 256 err = usbd_device2interface_handle(dev, idx, &iface); 257 if (err) { 258 aprint_error( 259 "\n%s: failed to get interface idx=%d, err=%s\n", 260 devname, idx, usbd_errstr(err)); 261 goto bad; 262 } 263 264 id = usbd_get_interface_descriptor(iface); 265 266 sc->sc_iface[idx] = iface; 267 268 uca.bulkin = uca.bulkout = -1; 269 uca.ibufsize = uca.obufsize = 0; 270 for (i = 0; i < id->bNumEndpoints; i++) { 271 int addr, dir, attr; 272 ed = usbd_interface2endpoint_descriptor(iface, i); 273 if (ed == NULL) { 274 aprint_error_dev(self, 275 "could not read endpoint descriptor: %s\n", 276 usbd_errstr(err)); 277 goto bad; 278 } 279 280 addr = ed->bEndpointAddress; 281 dir = UE_GET_DIR(ed->bEndpointAddress); 282 attr = ed->bmAttributes & UE_XFERTYPE; 283 if (dir == UE_DIR_IN && attr == UE_BULK) { 284 uca.bulkin = addr; 285 uca.ibufsize = UGETW(ed->wMaxPacketSize); 286 if (uca.ibufsize >= UFTDI_MAX_IBUFSIZE) 287 uca.ibufsize = UFTDI_MAX_IBUFSIZE; 288 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 289 uca.bulkout = addr; 290 uca.obufsize = UGETW(ed->wMaxPacketSize) 291 - sc->sc_hdrlen; 292 if (uca.obufsize >= UFTDI_MAX_OBUFSIZE) 293 uca.obufsize = UFTDI_MAX_OBUFSIZE; 294 /* Limit length if we have a 6-bit header. */ 295 if ((sc->sc_hdrlen > 0) && 296 (uca.obufsize > UFTDIOBUFSIZE)) 297 uca.obufsize = UFTDIOBUFSIZE; 298 } else { 299 aprint_error_dev(self, 300 "unexpected endpoint\n"); 301 goto bad; 302 } 303 } 304 if (uca.bulkin == -1) { 305 aprint_error_dev(self, 306 "Could not find data bulk in\n"); 307 goto bad; 308 } 309 if (uca.bulkout == -1) { 310 aprint_error_dev(self, 311 "Could not find data bulk out\n"); 312 goto bad; 313 } 314 315 uca.portno = FTDI_PIT_SIOA + idx; 316 /* bulkin, bulkout set above */ 317 if (uca.ibufsize == 0) 318 uca.ibufsize = UFTDIIBUFSIZE; 319 uca.ibufsizepad = uca.ibufsize; 320 if (uca.obufsize == 0) 321 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 322 uca.opkthdrlen = sc->sc_hdrlen; 323 uca.device = dev; 324 uca.iface = iface; 325 uca.methods = &uftdi_methods; 326 uca.arg = sc; 327 uca.info = NULL; 328 329 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 330 uca.bulkin, uca.bulkout, 331 uca.ibufsize, uca.obufsize)); 332 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 333 &uca, ucomprint, ucomsubmatch); 334 } 335 336 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 337 sc->sc_dev); 338 339 return; 340 341 bad: 342 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 343 sc->sc_dying = 1; 344 return; 345 } 346 347 int 348 uftdi_activate(device_t self, enum devact act) 349 { 350 struct uftdi_softc *sc = device_private(self); 351 352 switch (act) { 353 case DVACT_DEACTIVATE: 354 sc->sc_dying = 1; 355 return 0; 356 default: 357 return EOPNOTSUPP; 358 } 359 } 360 361 void 362 uftdi_childdet(device_t self, device_t child) 363 { 364 int i; 365 struct uftdi_softc *sc = device_private(self); 366 367 for (i = 0; i < sc->sc_numports; i++) { 368 if (sc->sc_subdev[i] == child) 369 break; 370 } 371 KASSERT(i < sc->sc_numports); 372 sc->sc_subdev[i] = NULL; 373 } 374 375 int 376 uftdi_detach(device_t self, int flags) 377 { 378 struct uftdi_softc *sc = device_private(self); 379 int i; 380 381 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 382 sc->sc_dying = 1; 383 for (i=0; i < sc->sc_numports; i++) { 384 if (sc->sc_subdev[i] != NULL) 385 config_detach(sc->sc_subdev[i], flags); 386 } 387 388 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 389 sc->sc_dev); 390 391 return (0); 392 } 393 394 Static int 395 uftdi_open(void *vsc, int portno) 396 { 397 struct uftdi_softc *sc = vsc; 398 usb_device_request_t req; 399 usbd_status err; 400 struct termios t; 401 402 DPRINTF(("uftdi_open: sc=%p\n", sc)); 403 404 if (sc->sc_dying) 405 return (EIO); 406 407 /* Perform a full reset on the device */ 408 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 409 req.bRequest = FTDI_SIO_RESET; 410 USETW(req.wValue, FTDI_SIO_RESET_SIO); 411 USETW(req.wIndex, portno); 412 USETW(req.wLength, 0); 413 err = usbd_do_request(sc->sc_udev, &req, NULL); 414 if (err) 415 return (EIO); 416 417 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 418 t.c_ospeed = 9600; 419 t.c_cflag = CSTOPB | CS8; 420 (void)uftdi_param(sc, portno, &t); 421 422 /* Turn on RTS/CTS flow control */ 423 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 424 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 425 USETW(req.wValue, 0); 426 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 427 USETW(req.wLength, 0); 428 err = usbd_do_request(sc->sc_udev, &req, NULL); 429 if (err) 430 return (EIO); 431 432 return (0); 433 } 434 435 Static void 436 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 437 { 438 struct uftdi_softc *sc = vsc; 439 u_char msr, lsr; 440 441 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 442 *count)); 443 444 msr = FTDI_GET_MSR(*ptr); 445 lsr = FTDI_GET_LSR(*ptr); 446 447 #ifdef UFTDI_DEBUG 448 if (*count != 2) 449 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 450 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 451 #endif 452 453 if (sc->sc_msr != msr || 454 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 455 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 456 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 457 lsr, sc->sc_lsr)); 458 sc->sc_msr = msr; 459 sc->sc_lsr = lsr; 460 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 461 } 462 463 /* Adjust buffer pointer to skip status prefix */ 464 *ptr += 2; 465 } 466 467 Static void 468 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 469 { 470 struct uftdi_softc *sc = vsc; 471 472 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 473 vsc, portno, *count, from[0])); 474 475 /* Make length tag and copy data */ 476 if (sc->sc_hdrlen > 0) 477 *to = FTDI_OUT_TAG(*count, portno); 478 479 memcpy(to + sc->sc_hdrlen, from, *count); 480 *count += sc->sc_hdrlen; 481 } 482 483 Static void 484 uftdi_set(void *vsc, int portno, int reg, int onoff) 485 { 486 struct uftdi_softc *sc = vsc; 487 usb_device_request_t req; 488 int ctl; 489 490 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 491 reg, onoff)); 492 493 switch (reg) { 494 case UCOM_SET_DTR: 495 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 496 break; 497 case UCOM_SET_RTS: 498 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 499 break; 500 case UCOM_SET_BREAK: 501 uftdi_break(sc, portno, onoff); 502 return; 503 default: 504 return; 505 } 506 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 507 req.bRequest = FTDI_SIO_MODEM_CTRL; 508 USETW(req.wValue, ctl); 509 USETW(req.wIndex, portno); 510 USETW(req.wLength, 0); 511 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 512 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 513 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 514 (void)usbd_do_request(sc->sc_udev, &req, NULL); 515 } 516 517 Static int 518 uftdi_param(void *vsc, int portno, struct termios *t) 519 { 520 struct uftdi_softc *sc = vsc; 521 usb_device_request_t req; 522 usbd_status err; 523 int rate, data, flow; 524 525 DPRINTF(("uftdi_param: sc=%p\n", sc)); 526 527 if (sc->sc_dying) 528 return (EIO); 529 530 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 531 req.bRequest = FTDI_SIO_SET_BITMODE; 532 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 533 USETW(req.wIndex, portno); 534 USETW(req.wLength, 0); 535 err = usbd_do_request(sc->sc_udev, &req, NULL); 536 if (err) 537 return (EIO); 538 539 switch (sc->sc_type) { 540 case UFTDI_TYPE_SIO: 541 switch (t->c_ospeed) { 542 case 300: rate = ftdi_sio_b300; break; 543 case 600: rate = ftdi_sio_b600; break; 544 case 1200: rate = ftdi_sio_b1200; break; 545 case 2400: rate = ftdi_sio_b2400; break; 546 case 4800: rate = ftdi_sio_b4800; break; 547 case 9600: rate = ftdi_sio_b9600; break; 548 case 19200: rate = ftdi_sio_b19200; break; 549 case 38400: rate = ftdi_sio_b38400; break; 550 case 57600: rate = ftdi_sio_b57600; break; 551 case 115200: rate = ftdi_sio_b115200; break; 552 default: 553 return (EINVAL); 554 } 555 break; 556 557 case UFTDI_TYPE_8U232AM: 558 switch(t->c_ospeed) { 559 case 300: rate = ftdi_8u232am_b300; break; 560 case 600: rate = ftdi_8u232am_b600; break; 561 case 1200: rate = ftdi_8u232am_b1200; break; 562 case 2400: rate = ftdi_8u232am_b2400; break; 563 case 4800: rate = ftdi_8u232am_b4800; break; 564 case 9600: rate = ftdi_8u232am_b9600; break; 565 case 19200: rate = ftdi_8u232am_b19200; break; 566 case 38400: rate = ftdi_8u232am_b38400; break; 567 case 57600: rate = ftdi_8u232am_b57600; break; 568 case 115200: rate = ftdi_8u232am_b115200; break; 569 case 230400: rate = ftdi_8u232am_b230400; break; 570 case 460800: rate = ftdi_8u232am_b460800; break; 571 case 921600: rate = ftdi_8u232am_b921600; break; 572 default: 573 return (EINVAL); 574 } 575 break; 576 577 default: 578 return (EINVAL); 579 } 580 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 581 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 582 USETW(req.wValue, rate); 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, CSTOPB)) 593 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 594 else 595 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 596 if (ISSET(t->c_cflag, PARENB)) { 597 if (ISSET(t->c_cflag, PARODD)) 598 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 599 else 600 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 601 } else 602 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 603 switch (ISSET(t->c_cflag, CSIZE)) { 604 case CS5: 605 data |= FTDI_SIO_SET_DATA_BITS(5); 606 break; 607 case CS6: 608 data |= FTDI_SIO_SET_DATA_BITS(6); 609 break; 610 case CS7: 611 data |= FTDI_SIO_SET_DATA_BITS(7); 612 break; 613 case CS8: 614 data |= FTDI_SIO_SET_DATA_BITS(8); 615 break; 616 } 617 sc->last_lcr = data; 618 619 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 620 req.bRequest = FTDI_SIO_SET_DATA; 621 USETW(req.wValue, data); 622 USETW(req.wIndex, portno); 623 USETW(req.wLength, 0); 624 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 625 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 626 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 627 err = usbd_do_request(sc->sc_udev, &req, NULL); 628 if (err) 629 return (EIO); 630 631 if (ISSET(t->c_cflag, CRTSCTS)) { 632 flow = FTDI_SIO_RTS_CTS_HS; 633 USETW(req.wValue, 0); 634 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 635 flow = FTDI_SIO_XON_XOFF_HS; 636 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 637 } else { 638 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 639 USETW(req.wValue, 0); 640 } 641 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 642 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 643 USETW2(req.wIndex, flow, portno); 644 USETW(req.wLength, 0); 645 err = usbd_do_request(sc->sc_udev, &req, NULL); 646 if (err) 647 return (EIO); 648 649 return (0); 650 } 651 652 void 653 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 654 { 655 struct uftdi_softc *sc = vsc; 656 657 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 658 sc->sc_msr, sc->sc_lsr)); 659 660 if (msr != NULL) 661 *msr = sc->sc_msr; 662 if (lsr != NULL) 663 *lsr = sc->sc_lsr; 664 } 665 666 void 667 uftdi_break(void *vsc, int portno, int onoff) 668 { 669 struct uftdi_softc *sc = vsc; 670 usb_device_request_t req; 671 int data; 672 673 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 674 onoff)); 675 676 if (onoff) { 677 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 678 } else { 679 data = sc->last_lcr; 680 } 681 682 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 683 req.bRequest = FTDI_SIO_SET_DATA; 684 USETW(req.wValue, data); 685 USETW(req.wIndex, portno); 686 USETW(req.wLength, 0); 687 (void)usbd_do_request(sc->sc_udev, &req, NULL); 688 } 689
Indexes created Tue Sep 30 07:10:03 GMT 2025