uftdi.c revision 1.59.6.5
1 /* $NetBSD: uftdi.c,v 1.59.6.5 2014/12/06 08:37:30 skrll 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 1.59.6.5 2014/12/06 08:37:30 skrll 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, u_char *, u_char *); 101 Static void uftdi_set(void *, int, int, int); 102 Static int uftdi_param(void *, int, struct termios *); 103 Static int uftdi_open(void *, int); 104 Static void uftdi_read(void *, int, u_char **, uint32_t *); 105 Static void uftdi_write(void *, int, u_char *, u_char *, 106 uint32_t *); 107 Static void uftdi_break(void *, int, int); 108 109 struct ucom_methods uftdi_methods = { 110 .ucom_get_status = uftdi_get_status, 111 .ucom_set = uftdi_set, 112 .ucom_param = uftdi_param, 113 .ucom_ioctl = NULL, 114 .ucom_open = uftdi_open, 115 .ucom_close = NULL, 116 .ucom_read = uftdi_read, 117 .ucom_write = 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_230X }, 129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232H }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232RL }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 154 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 155 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 156 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, 157 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_BEAGLEBONE }, 158 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, 159 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 160 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 161 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 162 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 163 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 164 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 165 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 166 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 167 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 168 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 169 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 170 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 171 }; 172 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 173 174 int uftdi_match(device_t, cfdata_t, void *); 175 void uftdi_attach(device_t, device_t, void *); 176 void uftdi_childdet(device_t, device_t); 177 int uftdi_detach(device_t, int); 178 int uftdi_activate(device_t, enum devact); 179 extern struct cfdriver uftdi_cd; 180 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 181 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 182 183 int 184 uftdi_match(device_t parent, cfdata_t match, void *aux) 185 { 186 struct usb_attach_arg *uaa = aux; 187 188 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 189 uaa->vendor, uaa->product)); 190 191 return uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 192 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 193 } 194 195 void 196 uftdi_attach(device_t parent, device_t self, void *aux) 197 { 198 struct uftdi_softc *sc = device_private(self); 199 struct usb_attach_arg *uaa = aux; 200 usbd_device_handle dev = uaa->device; 201 usbd_interface_handle iface; 202 usb_device_descriptor_t *ddesc; 203 usb_interface_descriptor_t *id; 204 usb_endpoint_descriptor_t *ed; 205 char *devinfop; 206 const char *devname = device_xname(self); 207 int i,idx; 208 usbd_status err; 209 struct ucom_attach_args uca; 210 211 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 212 213 aprint_naive("\n"); 214 aprint_normal("\n"); 215 216 devinfop = usbd_devinfo_alloc(dev, 0); 217 aprint_normal_dev(self, "%s\n", devinfop); 218 usbd_devinfo_free(devinfop); 219 220 /* Move the device into the configured state. */ 221 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 222 if (err) { 223 aprint_error("\n%s: failed to set configuration, err=%s\n", 224 devname, usbd_errstr(err)); 225 goto bad; 226 } 227 228 sc->sc_dev = self; 229 sc->sc_udev = dev; 230 sc->sc_numports = 1; 231 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 232 sc->sc_hdrlen = 0; 233 if (uaa->vendor == USB_VENDOR_FTDI 234 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 235 sc->sc_type = UFTDI_TYPE_SIO; 236 sc->sc_hdrlen = 1; 237 } 238 239 ddesc = usbd_get_device_descriptor(dev); 240 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 241 switch (sc->sc_chiptype) { 242 case 0x500: /* 2232D */ 243 case 0x700: /* 2232H */ 244 sc->sc_numports = 2; 245 break; 246 case 0x800: /* 4232H */ 247 sc->sc_numports = 4; 248 break; 249 case 0x200: /* 232/245AM */ 250 case 0x400: /* 232/245BL */ 251 case 0x600: /* 232/245R */ 252 default: 253 break; 254 } 255 256 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 257 err = usbd_device2interface_handle(dev, idx, &iface); 258 if (err) { 259 aprint_error( 260 "\n%s: failed to get interface idx=%d, err=%s\n", 261 devname, idx, usbd_errstr(err)); 262 goto bad; 263 } 264 265 id = usbd_get_interface_descriptor(iface); 266 267 sc->sc_iface[idx] = iface; 268 269 uca.bulkin = uca.bulkout = -1; 270 uca.ibufsize = uca.obufsize = 0; 271 for (i = 0; i < id->bNumEndpoints; i++) { 272 int addr, dir, attr; 273 ed = usbd_interface2endpoint_descriptor(iface, i); 274 if (ed == NULL) { 275 aprint_error_dev(self, 276 "could not read endpoint descriptor: %s\n", 277 usbd_errstr(err)); 278 goto bad; 279 } 280 281 addr = ed->bEndpointAddress; 282 dir = UE_GET_DIR(ed->bEndpointAddress); 283 attr = ed->bmAttributes & UE_XFERTYPE; 284 if (dir == UE_DIR_IN && attr == UE_BULK) { 285 uca.bulkin = addr; 286 uca.ibufsize = UGETW(ed->wMaxPacketSize); 287 if (uca.ibufsize >= UFTDI_MAX_IBUFSIZE) 288 uca.ibufsize = UFTDI_MAX_IBUFSIZE; 289 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 290 uca.bulkout = addr; 291 uca.obufsize = UGETW(ed->wMaxPacketSize) 292 - sc->sc_hdrlen; 293 if (uca.obufsize >= UFTDI_MAX_OBUFSIZE) 294 uca.obufsize = UFTDI_MAX_OBUFSIZE; 295 /* Limit length if we have a 6-bit header. */ 296 if ((sc->sc_hdrlen > 0) && 297 (uca.obufsize > UFTDIOBUFSIZE)) 298 uca.obufsize = UFTDIOBUFSIZE; 299 } else { 300 aprint_error_dev(self, 301 "unexpected endpoint\n"); 302 goto bad; 303 } 304 } 305 if (uca.bulkin == -1) { 306 aprint_error_dev(self, 307 "Could not find data bulk in\n"); 308 goto bad; 309 } 310 if (uca.bulkout == -1) { 311 aprint_error_dev(self, 312 "Could not find data bulk out\n"); 313 goto bad; 314 } 315 316 uca.portno = FTDI_PIT_SIOA + idx; 317 /* bulkin, bulkout set above */ 318 if (uca.ibufsize == 0) 319 uca.ibufsize = UFTDIIBUFSIZE; 320 uca.ibufsizepad = uca.ibufsize; 321 if (uca.obufsize == 0) 322 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 323 uca.opkthdrlen = sc->sc_hdrlen; 324 uca.device = dev; 325 uca.iface = iface; 326 uca.methods = &uftdi_methods; 327 uca.arg = sc; 328 uca.info = NULL; 329 330 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 331 uca.bulkin, uca.bulkout, 332 uca.ibufsize, uca.obufsize)); 333 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 334 &uca, ucomprint, ucomsubmatch); 335 } 336 337 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 338 sc->sc_dev); 339 340 return; 341 342 bad: 343 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 344 sc->sc_dying = 1; 345 return; 346 } 347 348 int 349 uftdi_activate(device_t self, enum devact act) 350 { 351 struct uftdi_softc *sc = device_private(self); 352 353 switch (act) { 354 case DVACT_DEACTIVATE: 355 sc->sc_dying = 1; 356 return 0; 357 default: 358 return EOPNOTSUPP; 359 } 360 } 361 362 void 363 uftdi_childdet(device_t self, device_t child) 364 { 365 int i; 366 struct uftdi_softc *sc = device_private(self); 367 368 for (i = 0; i < sc->sc_numports; i++) { 369 if (sc->sc_subdev[i] == child) 370 break; 371 } 372 KASSERT(i < sc->sc_numports); 373 sc->sc_subdev[i] = NULL; 374 } 375 376 int 377 uftdi_detach(device_t self, int flags) 378 { 379 struct uftdi_softc *sc = device_private(self); 380 int i; 381 382 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 383 sc->sc_dying = 1; 384 for (i=0; i < sc->sc_numports; i++) { 385 if (sc->sc_subdev[i] != NULL) 386 config_detach(sc->sc_subdev[i], flags); 387 } 388 389 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 390 sc->sc_dev); 391 392 return 0; 393 } 394 395 Static int 396 uftdi_open(void *vsc, int portno) 397 { 398 struct uftdi_softc *sc = vsc; 399 usb_device_request_t req; 400 usbd_status err; 401 struct termios t; 402 403 DPRINTF(("uftdi_open: sc=%p\n", sc)); 404 405 if (sc->sc_dying) 406 return EIO; 407 408 /* Perform a full reset on the device */ 409 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 410 req.bRequest = FTDI_SIO_RESET; 411 USETW(req.wValue, FTDI_SIO_RESET_SIO); 412 USETW(req.wIndex, portno); 413 USETW(req.wLength, 0); 414 err = usbd_do_request(sc->sc_udev, &req, NULL); 415 if (err) 416 return EIO; 417 418 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 419 t.c_ospeed = 9600; 420 t.c_cflag = CSTOPB | CS8; 421 (void)uftdi_param(sc, portno, &t); 422 423 /* Turn on RTS/CTS flow control */ 424 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 425 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 426 USETW(req.wValue, 0); 427 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 428 USETW(req.wLength, 0); 429 err = usbd_do_request(sc->sc_udev, &req, NULL); 430 if (err) 431 return EIO; 432 433 return 0; 434 } 435 436 Static void 437 uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) 438 { 439 struct uftdi_softc *sc = vsc; 440 u_char msr, lsr; 441 442 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 443 *count)); 444 445 msr = FTDI_GET_MSR(*ptr); 446 lsr = FTDI_GET_LSR(*ptr); 447 448 #ifdef UFTDI_DEBUG 449 if (*count != 2) 450 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 451 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 452 #endif 453 454 if (sc->sc_msr != msr || 455 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 456 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 457 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 458 lsr, sc->sc_lsr)); 459 sc->sc_msr = msr; 460 sc->sc_lsr = lsr; 461 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 462 } 463 464 /* Adjust buffer pointer to skip status prefix */ 465 *ptr += 2; 466 } 467 468 Static void 469 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) 470 { 471 struct uftdi_softc *sc = vsc; 472 473 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 474 vsc, portno, *count, from[0])); 475 476 /* Make length tag and copy data */ 477 if (sc->sc_hdrlen > 0) 478 *to = FTDI_OUT_TAG(*count, portno); 479 480 memcpy(to + sc->sc_hdrlen, from, *count); 481 *count += sc->sc_hdrlen; 482 } 483 484 Static void 485 uftdi_set(void *vsc, int portno, int reg, int onoff) 486 { 487 struct uftdi_softc *sc = vsc; 488 usb_device_request_t req; 489 int ctl; 490 491 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 492 reg, onoff)); 493 494 switch (reg) { 495 case UCOM_SET_DTR: 496 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 497 break; 498 case UCOM_SET_RTS: 499 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 500 break; 501 case UCOM_SET_BREAK: 502 uftdi_break(sc, portno, onoff); 503 return; 504 default: 505 return; 506 } 507 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 508 req.bRequest = FTDI_SIO_MODEM_CTRL; 509 USETW(req.wValue, ctl); 510 USETW(req.wIndex, portno); 511 USETW(req.wLength, 0); 512 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 513 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 514 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 515 (void)usbd_do_request(sc->sc_udev, &req, NULL); 516 } 517 518 Static int 519 uftdi_param(void *vsc, int portno, struct termios *t) 520 { 521 struct uftdi_softc *sc = vsc; 522 usb_device_request_t req; 523 usbd_status err; 524 int rate, data, flow; 525 526 DPRINTF(("uftdi_param: sc=%p\n", sc)); 527 528 if (sc->sc_dying) 529 return EIO; 530 531 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 532 req.bRequest = FTDI_SIO_SET_BITMODE; 533 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 534 USETW(req.wIndex, portno); 535 USETW(req.wLength, 0); 536 err = usbd_do_request(sc->sc_udev, &req, NULL); 537 if (err) 538 return EIO; 539 540 switch (sc->sc_type) { 541 case UFTDI_TYPE_SIO: 542 switch (t->c_ospeed) { 543 case 300: rate = ftdi_sio_b300; break; 544 case 600: rate = ftdi_sio_b600; break; 545 case 1200: rate = ftdi_sio_b1200; break; 546 case 2400: rate = ftdi_sio_b2400; break; 547 case 4800: rate = ftdi_sio_b4800; break; 548 case 9600: rate = ftdi_sio_b9600; break; 549 case 19200: rate = ftdi_sio_b19200; break; 550 case 38400: rate = ftdi_sio_b38400; break; 551 case 57600: rate = ftdi_sio_b57600; break; 552 case 115200: rate = ftdi_sio_b115200; break; 553 default: 554 return EINVAL; 555 } 556 break; 557 558 case UFTDI_TYPE_8U232AM: 559 switch(t->c_ospeed) { 560 case 300: rate = ftdi_8u232am_b300; break; 561 case 600: rate = ftdi_8u232am_b600; break; 562 case 1200: rate = ftdi_8u232am_b1200; break; 563 case 2400: rate = ftdi_8u232am_b2400; break; 564 case 4800: rate = ftdi_8u232am_b4800; break; 565 case 9600: rate = ftdi_8u232am_b9600; break; 566 case 19200: rate = ftdi_8u232am_b19200; break; 567 case 38400: rate = ftdi_8u232am_b38400; break; 568 case 57600: rate = ftdi_8u232am_b57600; break; 569 case 115200: rate = ftdi_8u232am_b115200; break; 570 case 230400: rate = ftdi_8u232am_b230400; break; 571 case 460800: rate = ftdi_8u232am_b460800; break; 572 case 921600: rate = ftdi_8u232am_b921600; break; 573 default: 574 return EINVAL; 575 } 576 break; 577 578 default: 579 return EINVAL; 580 } 581 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 582 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 583 USETW(req.wValue, rate); 584 USETW(req.wIndex, portno); 585 USETW(req.wLength, 0); 586 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 587 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 588 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 589 err = usbd_do_request(sc->sc_udev, &req, NULL); 590 if (err) 591 return EIO; 592 593 if (ISSET(t->c_cflag, CSTOPB)) 594 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 595 else 596 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 597 if (ISSET(t->c_cflag, PARENB)) { 598 if (ISSET(t->c_cflag, PARODD)) 599 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 600 else 601 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 602 } else 603 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 604 switch (ISSET(t->c_cflag, CSIZE)) { 605 case CS5: 606 data |= FTDI_SIO_SET_DATA_BITS(5); 607 break; 608 case CS6: 609 data |= FTDI_SIO_SET_DATA_BITS(6); 610 break; 611 case CS7: 612 data |= FTDI_SIO_SET_DATA_BITS(7); 613 break; 614 case CS8: 615 data |= FTDI_SIO_SET_DATA_BITS(8); 616 break; 617 } 618 sc->last_lcr = data; 619 620 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 621 req.bRequest = FTDI_SIO_SET_DATA; 622 USETW(req.wValue, data); 623 USETW(req.wIndex, portno); 624 USETW(req.wLength, 0); 625 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 626 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 627 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 628 err = usbd_do_request(sc->sc_udev, &req, NULL); 629 if (err) 630 return EIO; 631 632 if (ISSET(t->c_cflag, CRTSCTS)) { 633 flow = FTDI_SIO_RTS_CTS_HS; 634 USETW(req.wValue, 0); 635 } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { 636 flow = FTDI_SIO_XON_XOFF_HS; 637 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 638 } else { 639 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 640 USETW(req.wValue, 0); 641 } 642 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 643 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 644 USETW2(req.wIndex, flow, portno); 645 USETW(req.wLength, 0); 646 err = usbd_do_request(sc->sc_udev, &req, NULL); 647 if (err) 648 return EIO; 649 650 return 0; 651 } 652 653 void 654 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 655 { 656 struct uftdi_softc *sc = vsc; 657 658 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 659 sc->sc_msr, sc->sc_lsr)); 660 661 if (msr != NULL) 662 *msr = sc->sc_msr; 663 if (lsr != NULL) 664 *lsr = sc->sc_lsr; 665 } 666 667 void 668 uftdi_break(void *vsc, int portno, int onoff) 669 { 670 struct uftdi_softc *sc = vsc; 671 usb_device_request_t req; 672 int data; 673 674 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 675 onoff)); 676 677 if (onoff) { 678 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 679 } else { 680 data = sc->last_lcr; 681 } 682 683 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 684 req.bRequest = FTDI_SIO_SET_DATA; 685 USETW(req.wValue, data); 686 USETW(req.wIndex, portno); 687 USETW(req.wLength, 0); 688 (void)usbd_do_request(sc->sc_udev, &req, NULL); 689 } 690
Indexes created Fri Oct 03 02:09:57 GMT 2025