1 /* $NetBSD: uftdi.c,v 1.53 2012/08/11 07:09:09 riastradh 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@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 1.53 2012/08/11 07:09:09 riastradh 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_2232C }, 129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, 154 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 155 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 156 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 157 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 158 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 159 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 160 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 161 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 162 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 163 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 164 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 165 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 166 }; 167 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 168 169 int uftdi_match(device_t, cfdata_t, void *); 170 void uftdi_attach(device_t, device_t, void *); 171 void uftdi_childdet(device_t, device_t); 172 int uftdi_detach(device_t, int); 173 int uftdi_activate(device_t, enum devact); 174 extern struct cfdriver uftdi_cd; 175 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 176 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 177 178 int 179 uftdi_match(device_t parent, cfdata_t match, void *aux) 180 { 181 struct usb_attach_arg *uaa = aux; 182 183 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 184 uaa->vendor, uaa->product)); 185 186 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 187 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 188 } 189 190 void 191 uftdi_attach(device_t parent, device_t self, void *aux) 192 { 193 struct uftdi_softc *sc = device_private(self); 194 struct usb_attach_arg *uaa = aux; 195 usbd_device_handle dev = uaa->device; 196 usbd_interface_handle iface; 197 usb_device_descriptor_t *ddesc; 198 usb_interface_descriptor_t *id; 199 usb_endpoint_descriptor_t *ed; 200 char *devinfop; 201 const char *devname = device_xname(self); 202 int i,idx; 203 usbd_status err; 204 struct ucom_attach_args uca; 205 206 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 207 208 aprint_naive("\n"); 209 aprint_normal("\n"); 210 211 devinfop = usbd_devinfo_alloc(dev, 0); 212 aprint_normal_dev(self, "%s\n", devinfop); 213 usbd_devinfo_free(devinfop); 214 215 /* Move the device into the configured state. */ 216 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 217 if (err) { 218 aprint_error("\n%s: failed to set configuration, err=%s\n", 219 devname, usbd_errstr(err)); 220 goto bad; 221 } 222 223 sc->sc_dev = self; 224 sc->sc_udev = dev; 225 sc->sc_numports = 1; 226 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 227 sc->sc_hdrlen = 0; 228 if (uaa->vendor == USB_VENDOR_FTDI 229 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 230 sc->sc_type = UFTDI_TYPE_SIO; 231 sc->sc_hdrlen = 1; 232 } 233 234 ddesc = usbd_get_device_descriptor(dev); 235 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 236 switch (sc->sc_chiptype) { 237 case 0x500: /* 2232D */ 238 case 0x700: /* 2232H */ 239 sc->sc_numports = 2; 240 break; 241 case 0x800: /* 4232H */ 242 sc->sc_numports = 4; 243 break; 244 case 0x200: /* 232/245AM */ 245 case 0x400: /* 232/245BL */ 246 case 0x600: /* 232/245R */ 247 default: 248 break; 249 } 250 251 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 252 err = usbd_device2interface_handle(dev, idx, &iface); 253 if (err) { 254 aprint_error( 255 "\n%s: failed to get interface idx=%d, err=%s\n", 256 devname, idx, usbd_errstr(err)); 257 goto bad; 258 } 259 260 id = usbd_get_interface_descriptor(iface); 261 262 sc->sc_iface[idx] = iface; 263 264 uca.bulkin = uca.bulkout = -1; 265 uca.ibufsize = uca.obufsize = 0; 266 for (i = 0; i < id->bNumEndpoints; i++) { 267 int addr, dir, attr; 268 ed = usbd_interface2endpoint_descriptor(iface, i); 269 if (ed == NULL) { 270 aprint_error_dev(self, 271 "could not read endpoint descriptor: %s\n", 272 usbd_errstr(err)); 273 goto bad; 274 } 275 276 addr = ed->bEndpointAddress; 277 dir = UE_GET_DIR(ed->bEndpointAddress); 278 attr = ed->bmAttributes & UE_XFERTYPE; 279 if (dir == UE_DIR_IN && attr == UE_BULK) { 280 uca.bulkin = addr; 281 uca.ibufsize = UGETW(ed->wMaxPacketSize); 282 if (uca.ibufsize >= UFTDI_MAX_IBUFSIZE) 283 uca.ibufsize = UFTDI_MAX_IBUFSIZE; 284 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 285 uca.bulkout = addr; 286 uca.obufsize = UGETW(ed->wMaxPacketSize) 287 - sc->sc_hdrlen; 288 if (uca.obufsize >= UFTDI_MAX_OBUFSIZE) 289 uca.obufsize = UFTDI_MAX_OBUFSIZE; 290 /* Limit length if we have a 6-bit header. */ 291 if ((sc->sc_hdrlen > 0) && 292 (uca.obufsize > UFTDIOBUFSIZE)) 293 uca.obufsize = UFTDIOBUFSIZE; 294 } else { 295 aprint_error_dev(self, 296 "unexpected endpoint\n"); 297 goto bad; 298 } 299 } 300 if (uca.bulkin == -1) { 301 aprint_error_dev(self, 302 "Could not find data bulk in\n"); 303 goto bad; 304 } 305 if (uca.bulkout == -1) { 306 aprint_error_dev(self, 307 "Could not find data bulk out\n"); 308 goto bad; 309 } 310 311 uca.portno = FTDI_PIT_SIOA + idx; 312 /* bulkin, bulkout set above */ 313 if (uca.ibufsize == 0) 314 uca.ibufsize = UFTDIIBUFSIZE; 315 uca.ibufsizepad = uca.ibufsize; 316 if (uca.obufsize == 0) 317 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 318 uca.opkthdrlen = sc->sc_hdrlen; 319 uca.device = dev; 320 uca.iface = iface; 321 uca.methods = &uftdi_methods; 322 uca.arg = sc; 323 uca.info = NULL; 324 325 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 326 uca.bulkin, uca.bulkout, 327 uca.ibufsize, uca.obufsize)); 328 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 329 &uca, ucomprint, ucomsubmatch); 330 } 331 332 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 333 sc->sc_dev); 334 335 return; 336 337 bad: 338 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 339 sc->sc_dying = 1; 340 return; 341 } 342 343 int 344 uftdi_activate(device_t self, enum devact act) 345 { 346 struct uftdi_softc *sc = device_private(self); 347 348 switch (act) { 349 case DVACT_DEACTIVATE: 350 sc->sc_dying = 1; 351 return 0; 352 default: 353 return EOPNOTSUPP; 354 } 355 } 356 357 void 358 uftdi_childdet(device_t self, device_t child) 359 { 360 int i; 361 struct uftdi_softc *sc = device_private(self); 362 363 for (i = 0; i < sc->sc_numports; i++) { 364 if (sc->sc_subdev[i] == child) 365 break; 366 } 367 KASSERT(i < sc->sc_numports); 368 sc->sc_subdev[i] = NULL; 369 } 370 371 int 372 uftdi_detach(device_t self, int flags) 373 { 374 struct uftdi_softc *sc = device_private(self); 375 int i; 376 377 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 378 sc->sc_dying = 1; 379 for (i=0; i < sc->sc_numports; i++) { 380 if (sc->sc_subdev[i] != NULL) 381 config_detach(sc->sc_subdev[i], flags); 382 } 383 384 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 385 sc->sc_dev); 386 387 return (0); 388 } 389 390 Static int 391 uftdi_open(void *vsc, int portno) 392 { 393 struct uftdi_softc *sc = vsc; 394 usb_device_request_t req; 395 usbd_status err; 396 struct termios t; 397 398 DPRINTF(("uftdi_open: sc=%p\n", sc)); 399 400 if (sc->sc_dying) 401 return (EIO); 402 403 /* Perform a full reset on the device */ 404 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 405 req.bRequest = FTDI_SIO_RESET; 406 USETW(req.wValue, FTDI_SIO_RESET_SIO); 407 USETW(req.wIndex, portno); 408 USETW(req.wLength, 0); 409 err = usbd_do_request(sc->sc_udev, &req, NULL); 410 if (err) 411 return (EIO); 412 413 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 414 t.c_ospeed = 9600; 415 t.c_cflag = CSTOPB | CS8; 416 (void)uftdi_param(sc, portno, &t); 417 418 /* Turn on RTS/CTS flow control */ 419 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 420 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 421 USETW(req.wValue, 0); 422 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 423 USETW(req.wLength, 0); 424 err = usbd_do_request(sc->sc_udev, &req, NULL); 425 if (err) 426 return (EIO); 427 428 return (0); 429 } 430 431 Static void 432 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 433 { 434 struct uftdi_softc *sc = vsc; 435 u_char msr, lsr; 436 437 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 438 *count)); 439 440 msr = FTDI_GET_MSR(*ptr); 441 lsr = FTDI_GET_LSR(*ptr); 442 443 #ifdef UFTDI_DEBUG 444 if (*count != 2) 445 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 446 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 447 #endif 448 449 if (sc->sc_msr != msr || 450 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 451 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 452 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 453 lsr, sc->sc_lsr)); 454 sc->sc_msr = msr; 455 sc->sc_lsr = lsr; 456 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 457 } 458 459 /* Adjust buffer pointer to skip status prefix */ 460 *ptr += 2; 461 } 462 463 Static void 464 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 465 { 466 struct uftdi_softc *sc = vsc; 467 468 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 469 vsc, portno, *count, from[0])); 470 471 /* Make length tag and copy data */ 472 if (sc->sc_hdrlen > 0) 473 *to = FTDI_OUT_TAG(*count, portno); 474 475 memcpy(to + sc->sc_hdrlen, from, *count); 476 *count += sc->sc_hdrlen; 477 } 478 479 Static void 480 uftdi_set(void *vsc, int portno, int reg, int onoff) 481 { 482 struct uftdi_softc *sc = vsc; 483 usb_device_request_t req; 484 int ctl; 485 486 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 487 reg, onoff)); 488 489 switch (reg) { 490 case UCOM_SET_DTR: 491 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 492 break; 493 case UCOM_SET_RTS: 494 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 495 break; 496 case UCOM_SET_BREAK: 497 uftdi_break(sc, portno, onoff); 498 return; 499 default: 500 return; 501 } 502 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 503 req.bRequest = FTDI_SIO_MODEM_CTRL; 504 USETW(req.wValue, ctl); 505 USETW(req.wIndex, portno); 506 USETW(req.wLength, 0); 507 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 508 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 509 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 510 (void)usbd_do_request(sc->sc_udev, &req, NULL); 511 } 512 513 Static int 514 uftdi_param(void *vsc, int portno, struct termios *t) 515 { 516 struct uftdi_softc *sc = vsc; 517 usb_device_request_t req; 518 usbd_status err; 519 int rate, data, flow; 520 521 DPRINTF(("uftdi_param: sc=%p\n", sc)); 522 523 if (sc->sc_dying) 524 return (EIO); 525 526 switch (sc->sc_type) { 527 case UFTDI_TYPE_SIO: 528 switch (t->c_ospeed) { 529 case 300: rate = ftdi_sio_b300; break; 530 case 600: rate = ftdi_sio_b600; break; 531 case 1200: rate = ftdi_sio_b1200; break; 532 case 2400: rate = ftdi_sio_b2400; break; 533 case 4800: rate = ftdi_sio_b4800; break; 534 case 9600: rate = ftdi_sio_b9600; break; 535 case 19200: rate = ftdi_sio_b19200; break; 536 case 38400: rate = ftdi_sio_b38400; break; 537 case 57600: rate = ftdi_sio_b57600; break; 538 case 115200: rate = ftdi_sio_b115200; break; 539 default: 540 return (EINVAL); 541 } 542 break; 543 544 case UFTDI_TYPE_8U232AM: 545 switch(t->c_ospeed) { 546 case 300: rate = ftdi_8u232am_b300; break; 547 case 600: rate = ftdi_8u232am_b600; break; 548 case 1200: rate = ftdi_8u232am_b1200; break; 549 case 2400: rate = ftdi_8u232am_b2400; break; 550 case 4800: rate = ftdi_8u232am_b4800; break; 551 case 9600: rate = ftdi_8u232am_b9600; break; 552 case 19200: rate = ftdi_8u232am_b19200; break; 553 case 38400: rate = ftdi_8u232am_b38400; break; 554 case 57600: rate = ftdi_8u232am_b57600; break; 555 case 115200: rate = ftdi_8u232am_b115200; break; 556 case 230400: rate = ftdi_8u232am_b230400; break; 557 case 460800: rate = ftdi_8u232am_b460800; break; 558 case 921600: rate = ftdi_8u232am_b921600; break; 559 default: 560 return (EINVAL); 561 } 562 break; 563 564 default: 565 return (EINVAL); 566 } 567 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 568 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 569 USETW(req.wValue, rate); 570 USETW(req.wIndex, portno); 571 USETW(req.wLength, 0); 572 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 573 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 574 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 575 err = usbd_do_request(sc->sc_udev, &req, NULL); 576 if (err) 577 return (EIO); 578 579 if (ISSET(t->c_cflag, CSTOPB)) 580 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 581 else 582 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 583 if (ISSET(t->c_cflag, PARENB)) { 584 if (ISSET(t->c_cflag, PARODD)) 585 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 586 else 587 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 588 } else 589 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 590 switch (ISSET(t->c_cflag, CSIZE)) { 591 case CS5: 592 data |= FTDI_SIO_SET_DATA_BITS(5); 593 break; 594 case CS6: 595 data |= FTDI_SIO_SET_DATA_BITS(6); 596 break; 597 case CS7: 598 data |= FTDI_SIO_SET_DATA_BITS(7); 599 break; 600 case CS8: 601 data |= FTDI_SIO_SET_DATA_BITS(8); 602 break; 603 } 604 sc->last_lcr = data; 605 606 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 607 req.bRequest = FTDI_SIO_SET_DATA; 608 USETW(req.wValue, data); 609 USETW(req.wIndex, portno); 610 USETW(req.wLength, 0); 611 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 612 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 613 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 614 err = usbd_do_request(sc->sc_udev, &req, NULL); 615 if (err) 616 return (EIO); 617 618 if (ISSET(t->c_cflag, CRTSCTS)) { 619 flow = FTDI_SIO_RTS_CTS_HS; 620 USETW(req.wValue, 0); 621 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 622 flow = FTDI_SIO_XON_XOFF_HS; 623 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 624 } else { 625 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 626 USETW(req.wValue, 0); 627 } 628 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 629 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 630 USETW2(req.wIndex, flow, portno); 631 USETW(req.wLength, 0); 632 err = usbd_do_request(sc->sc_udev, &req, NULL); 633 if (err) 634 return (EIO); 635 636 return (0); 637 } 638 639 void 640 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 641 { 642 struct uftdi_softc *sc = vsc; 643 644 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 645 sc->sc_msr, sc->sc_lsr)); 646 647 if (msr != NULL) 648 *msr = sc->sc_msr; 649 if (lsr != NULL) 650 *lsr = sc->sc_lsr; 651 } 652 653 void 654 uftdi_break(void *vsc, int portno, int onoff) 655 { 656 struct uftdi_softc *sc = vsc; 657 usb_device_request_t req; 658 int data; 659 660 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 661 onoff)); 662 663 if (onoff) { 664 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 665 } else { 666 data = sc->last_lcr; 667 } 668 669 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 670 req.bRequest = FTDI_SIO_SET_DATA; 671 USETW(req.wValue, data); 672 USETW(req.wIndex, portno); 673 USETW(req.wLength, 0); 674 (void)usbd_do_request(sc->sc_udev, &req, NULL); 675 } 676