uftdi.c revision 1.39.4.2
1 /* $NetBSD: uftdi.c,v 1.39.4.2 2015/05/27 06:18:05 msaitoh 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 1.39.4.2 2015/05/27 06:18:05 msaitoh 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 USBBASEDEVICE 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_ptr_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 USB_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_SEMC_DSS20 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 151 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 152 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 153 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 154 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 155 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 156 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 157 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 158 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 159 }; 160 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 161 162 int uftdi_match(device_t, cfdata_t, void *); 163 void uftdi_attach(device_t, device_t, void *); 164 void uftdi_childdet(device_t, device_t); 165 int uftdi_detach(device_t, int); 166 int uftdi_activate(device_t, enum devact); 167 extern struct cfdriver uftdi_cd; 168 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 169 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 170 171 USB_MATCH(uftdi) 172 { 173 USB_MATCH_START(uftdi, uaa); 174 175 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 176 uaa->vendor, uaa->product)); 177 178 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 179 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 180 } 181 182 USB_ATTACH(uftdi) 183 { 184 USB_ATTACH_START(uftdi, sc, uaa); 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 /* Move the device into the configured state. */ 199 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 200 if (err) { 201 aprint_error("\n%s: failed to set configuration, err=%s\n", 202 devname, usbd_errstr(err)); 203 goto bad; 204 } 205 206 devinfop = usbd_devinfo_alloc(dev, 0); 207 USB_ATTACH_SETUP; 208 aprint_normal_dev(self, "%s\n", devinfop); 209 usbd_devinfo_free(devinfop); 210 211 sc->sc_dev = self; 212 sc->sc_udev = dev; 213 sc->sc_numports = 1; 214 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 215 sc->sc_hdrlen = 0; 216 if (uaa->vendor == USB_VENDOR_FTDI 217 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 218 sc->sc_type = UFTDI_TYPE_SIO; 219 sc->sc_hdrlen = 1; 220 } 221 222 ddesc = usbd_get_device_descriptor(dev); 223 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 224 switch (sc->sc_chiptype) { 225 case 0x500: /* 2232D */ 226 case 0x700: /* 2232H */ 227 sc->sc_numports = 2; 228 break; 229 case 0x800: /* 4232H */ 230 sc->sc_numports = 4; 231 break; 232 case 0x200: /* 232/245AM */ 233 case 0x400: /* 232/245BL */ 234 case 0x600: /* 232/245R */ 235 default: 236 break; 237 } 238 239 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 240 err = usbd_device2interface_handle(dev, idx, &iface); 241 if (err) { 242 aprint_error( 243 "\n%s: failed to get interface idx=%d, err=%s\n", 244 devname, idx, usbd_errstr(err)); 245 goto bad; 246 } 247 248 id = usbd_get_interface_descriptor(iface); 249 250 sc->sc_iface[idx] = iface; 251 252 uca.bulkin = uca.bulkout = -1; 253 uca.ibufsize = uca.obufsize = 0; 254 for (i = 0; i < id->bNumEndpoints; i++) { 255 int addr, dir, attr; 256 ed = usbd_interface2endpoint_descriptor(iface, i); 257 if (ed == NULL) { 258 aprint_error_dev(self, 259 "could not read endpoint descriptor: %s\n", 260 usbd_errstr(err)); 261 goto bad; 262 } 263 264 addr = ed->bEndpointAddress; 265 dir = UE_GET_DIR(ed->bEndpointAddress); 266 attr = ed->bmAttributes & UE_XFERTYPE; 267 if (dir == UE_DIR_IN && attr == UE_BULK) { 268 uca.bulkin = addr; 269 uca.ibufsize = UGETW(ed->wMaxPacketSize); 270 if (uca.ibufsize >= UFTDI_MAX_IBUFSIZE) 271 uca.ibufsize = UFTDI_MAX_IBUFSIZE; 272 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 273 uca.bulkout = addr; 274 uca.obufsize = UGETW(ed->wMaxPacketSize) 275 - sc->sc_hdrlen; 276 if (uca.obufsize >= UFTDI_MAX_OBUFSIZE) 277 uca.obufsize = UFTDI_MAX_OBUFSIZE; 278 /* Limit length if we have a 6-bit header. */ 279 if ((sc->sc_hdrlen > 0) && 280 (uca.obufsize > UFTDIOBUFSIZE)) 281 uca.obufsize = UFTDIOBUFSIZE; 282 } else { 283 aprint_error_dev(self, 284 "unexpected endpoint\n"); 285 goto bad; 286 } 287 } 288 if (uca.bulkin == -1) { 289 aprint_error_dev(self, 290 "Could not find data bulk in\n"); 291 goto bad; 292 } 293 if (uca.bulkout == -1) { 294 aprint_error_dev(self, 295 "Could not find data bulk out\n"); 296 goto bad; 297 } 298 299 uca.portno = FTDI_PIT_SIOA + idx; 300 /* bulkin, bulkout set above */ 301 if (uca.ibufsize == 0) 302 uca.ibufsize = UFTDIIBUFSIZE; 303 uca.ibufsizepad = uca.ibufsize; 304 if (uca.obufsize == 0) 305 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 306 uca.opkthdrlen = sc->sc_hdrlen; 307 uca.device = dev; 308 uca.iface = iface; 309 uca.methods = &uftdi_methods; 310 uca.arg = sc; 311 uca.info = NULL; 312 313 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 314 uca.bulkin, uca.bulkout, 315 uca.ibufsize, uca.obufsize)); 316 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 317 &uca, ucomprint, ucomsubmatch); 318 } 319 320 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 321 USBDEV(sc->sc_dev)); 322 323 USB_ATTACH_SUCCESS_RETURN; 324 325 bad: 326 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 327 sc->sc_dying = 1; 328 USB_ATTACH_ERROR_RETURN; 329 } 330 331 int 332 uftdi_activate(device_t self, enum devact act) 333 { 334 struct uftdi_softc *sc = device_private(self); 335 int rv = 0,i; 336 337 switch (act) { 338 case DVACT_ACTIVATE: 339 return (EOPNOTSUPP); 340 341 case DVACT_DEACTIVATE: 342 for (i=0; i < sc->sc_numports; i++) 343 if (sc->sc_subdev[i] != NULL) 344 rv = config_deactivate(sc->sc_subdev[i]); 345 sc->sc_dying = 1; 346 break; 347 } 348 return (rv); 349 } 350 351 void 352 uftdi_childdet(device_t self, device_t child) 353 { 354 int i; 355 struct uftdi_softc *sc = device_private(self); 356 357 for (i = 0; i < sc->sc_numports; i++) { 358 if (sc->sc_subdev[i] == child) 359 break; 360 } 361 KASSERT(i < sc->sc_numports); 362 sc->sc_subdev[i] = NULL; 363 } 364 365 int 366 uftdi_detach(device_t self, int flags) 367 { 368 struct uftdi_softc *sc = device_private(self); 369 int i; 370 371 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 372 sc->sc_dying = 1; 373 for (i=0; i < sc->sc_numports; i++) { 374 if (sc->sc_subdev[i] != NULL) 375 config_detach(sc->sc_subdev[i], flags); 376 } 377 378 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 379 USBDEV(sc->sc_dev)); 380 381 return (0); 382 } 383 384 Static int 385 uftdi_open(void *vsc, int portno) 386 { 387 struct uftdi_softc *sc = vsc; 388 usb_device_request_t req; 389 usbd_status err; 390 struct termios t; 391 392 DPRINTF(("uftdi_open: sc=%p\n", sc)); 393 394 if (sc->sc_dying) 395 return (EIO); 396 397 /* Perform a full reset on the device */ 398 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 399 req.bRequest = FTDI_SIO_RESET; 400 USETW(req.wValue, FTDI_SIO_RESET_SIO); 401 USETW(req.wIndex, portno); 402 USETW(req.wLength, 0); 403 err = usbd_do_request(sc->sc_udev, &req, NULL); 404 if (err) 405 return (EIO); 406 407 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 408 t.c_ospeed = 9600; 409 t.c_cflag = CSTOPB | CS8; 410 (void)uftdi_param(sc, portno, &t); 411 412 /* Turn on RTS/CTS flow control */ 413 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 414 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 415 USETW(req.wValue, 0); 416 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 417 USETW(req.wLength, 0); 418 err = usbd_do_request(sc->sc_udev, &req, NULL); 419 if (err) 420 return (EIO); 421 422 return (0); 423 } 424 425 Static void 426 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 427 { 428 struct uftdi_softc *sc = vsc; 429 u_char msr, lsr; 430 431 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 432 *count)); 433 434 msr = FTDI_GET_MSR(*ptr); 435 lsr = FTDI_GET_LSR(*ptr); 436 437 #ifdef UFTDI_DEBUG 438 if (*count != 2) 439 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 440 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 441 #endif 442 443 if (sc->sc_msr != msr || 444 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 445 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 446 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 447 lsr, sc->sc_lsr)); 448 sc->sc_msr = msr; 449 sc->sc_lsr = lsr; 450 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 451 } 452 453 /* Pick up status and adjust data part. */ 454 *ptr += 2; 455 *count -= 2; 456 } 457 458 Static void 459 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 460 { 461 struct uftdi_softc *sc = vsc; 462 463 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 464 vsc, portno, *count, from[0])); 465 466 /* Make length tag and copy data */ 467 if (sc->sc_hdrlen > 0) 468 *to = FTDI_OUT_TAG(*count, portno); 469 470 memcpy(to + sc->sc_hdrlen, from, *count); 471 *count += sc->sc_hdrlen; 472 } 473 474 Static void 475 uftdi_set(void *vsc, int portno, int reg, int onoff) 476 { 477 struct uftdi_softc *sc = vsc; 478 usb_device_request_t req; 479 int ctl; 480 481 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 482 reg, onoff)); 483 484 switch (reg) { 485 case UCOM_SET_DTR: 486 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 487 break; 488 case UCOM_SET_RTS: 489 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 490 break; 491 case UCOM_SET_BREAK: 492 uftdi_break(sc, portno, onoff); 493 return; 494 default: 495 return; 496 } 497 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 498 req.bRequest = FTDI_SIO_MODEM_CTRL; 499 USETW(req.wValue, ctl); 500 USETW(req.wIndex, portno); 501 USETW(req.wLength, 0); 502 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 503 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 504 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 505 (void)usbd_do_request(sc->sc_udev, &req, NULL); 506 } 507 508 Static int 509 uftdi_param(void *vsc, int portno, struct termios *t) 510 { 511 struct uftdi_softc *sc = vsc; 512 usb_device_request_t req; 513 usbd_status err; 514 int rate, data, flow; 515 516 DPRINTF(("uftdi_param: sc=%p\n", sc)); 517 518 if (sc->sc_dying) 519 return (EIO); 520 521 switch (sc->sc_type) { 522 case UFTDI_TYPE_SIO: 523 switch (t->c_ospeed) { 524 case 300: rate = ftdi_sio_b300; break; 525 case 600: rate = ftdi_sio_b600; break; 526 case 1200: rate = ftdi_sio_b1200; break; 527 case 2400: rate = ftdi_sio_b2400; break; 528 case 4800: rate = ftdi_sio_b4800; break; 529 case 9600: rate = ftdi_sio_b9600; break; 530 case 19200: rate = ftdi_sio_b19200; break; 531 case 38400: rate = ftdi_sio_b38400; break; 532 case 57600: rate = ftdi_sio_b57600; break; 533 case 115200: rate = ftdi_sio_b115200; break; 534 default: 535 return (EINVAL); 536 } 537 break; 538 539 case UFTDI_TYPE_8U232AM: 540 switch(t->c_ospeed) { 541 case 300: rate = ftdi_8u232am_b300; break; 542 case 600: rate = ftdi_8u232am_b600; break; 543 case 1200: rate = ftdi_8u232am_b1200; break; 544 case 2400: rate = ftdi_8u232am_b2400; break; 545 case 4800: rate = ftdi_8u232am_b4800; break; 546 case 9600: rate = ftdi_8u232am_b9600; break; 547 case 19200: rate = ftdi_8u232am_b19200; break; 548 case 38400: rate = ftdi_8u232am_b38400; break; 549 case 57600: rate = ftdi_8u232am_b57600; break; 550 case 115200: rate = ftdi_8u232am_b115200; break; 551 case 230400: rate = ftdi_8u232am_b230400; break; 552 case 460800: rate = ftdi_8u232am_b460800; break; 553 case 921600: rate = ftdi_8u232am_b921600; break; 554 default: 555 return (EINVAL); 556 } 557 break; 558 559 default: 560 return (EINVAL); 561 } 562 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 563 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 564 USETW(req.wValue, rate); 565 USETW(req.wIndex, portno); 566 USETW(req.wLength, 0); 567 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 568 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 569 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 570 err = usbd_do_request(sc->sc_udev, &req, NULL); 571 if (err) 572 return (EIO); 573 574 if (ISSET(t->c_cflag, CSTOPB)) 575 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 576 else 577 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 578 if (ISSET(t->c_cflag, PARENB)) { 579 if (ISSET(t->c_cflag, PARODD)) 580 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 581 else 582 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 583 } else 584 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 585 switch (ISSET(t->c_cflag, CSIZE)) { 586 case CS5: 587 data |= FTDI_SIO_SET_DATA_BITS(5); 588 break; 589 case CS6: 590 data |= FTDI_SIO_SET_DATA_BITS(6); 591 break; 592 case CS7: 593 data |= FTDI_SIO_SET_DATA_BITS(7); 594 break; 595 case CS8: 596 data |= FTDI_SIO_SET_DATA_BITS(8); 597 break; 598 } 599 sc->last_lcr = data; 600 601 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 602 req.bRequest = FTDI_SIO_SET_DATA; 603 USETW(req.wValue, data); 604 USETW(req.wIndex, portno); 605 USETW(req.wLength, 0); 606 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 607 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 608 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 609 err = usbd_do_request(sc->sc_udev, &req, NULL); 610 if (err) 611 return (EIO); 612 613 if (ISSET(t->c_cflag, CRTSCTS)) { 614 flow = FTDI_SIO_RTS_CTS_HS; 615 USETW(req.wValue, 0); 616 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 617 flow = FTDI_SIO_XON_XOFF_HS; 618 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 619 } else { 620 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 621 USETW(req.wValue, 0); 622 } 623 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 624 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 625 USETW2(req.wIndex, flow, portno); 626 USETW(req.wLength, 0); 627 err = usbd_do_request(sc->sc_udev, &req, NULL); 628 if (err) 629 return (EIO); 630 631 return (0); 632 } 633 634 void 635 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 636 { 637 struct uftdi_softc *sc = vsc; 638 639 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 640 sc->sc_msr, sc->sc_lsr)); 641 642 if (msr != NULL) 643 *msr = sc->sc_msr; 644 if (lsr != NULL) 645 *lsr = sc->sc_lsr; 646 } 647 648 void 649 uftdi_break(void *vsc, int portno, int onoff) 650 { 651 struct uftdi_softc *sc = vsc; 652 usb_device_request_t req; 653 int data; 654 655 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 656 onoff)); 657 658 if (onoff) { 659 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 660 } else { 661 data = sc->last_lcr; 662 } 663 664 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 665 req.bRequest = FTDI_SIO_SET_DATA; 666 USETW(req.wValue, data); 667 USETW(req.wIndex, portno); 668 USETW(req.wLength, 0); 669 (void)usbd_do_request(sc->sc_udev, &req, NULL); 670 } 671
Indexes created Thu Oct 02 14:10:14 GMT 2025