uftdi.c revision 1.48.2.4
1 /* $NetBSD: uftdi.c,v 1.48.2.4 2013/01/23 00:06:13 yamt 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 1.48.2.4 2013/01/23 00:06:13 yamt 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_MAXSTREAM_PKG_U }, 157 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 158 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 159 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 160 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 161 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 162 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 163 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 164 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 165 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 166 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 167 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 168 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 169 }; 170 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 171 172 int uftdi_match(device_t, cfdata_t, void *); 173 void uftdi_attach(device_t, device_t, void *); 174 void uftdi_childdet(device_t, device_t); 175 int uftdi_detach(device_t, int); 176 int uftdi_activate(device_t, enum devact); 177 extern struct cfdriver uftdi_cd; 178 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 179 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 180 181 int 182 uftdi_match(device_t parent, cfdata_t match, void *aux) 183 { 184 struct usb_attach_arg *uaa = aux; 185 186 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 187 uaa->vendor, uaa->product)); 188 189 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ? 190 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 191 } 192 193 void 194 uftdi_attach(device_t parent, device_t self, void *aux) 195 { 196 struct uftdi_softc *sc = device_private(self); 197 struct usb_attach_arg *uaa = aux; 198 usbd_device_handle dev = uaa->device; 199 usbd_interface_handle iface; 200 usb_device_descriptor_t *ddesc; 201 usb_interface_descriptor_t *id; 202 usb_endpoint_descriptor_t *ed; 203 char *devinfop; 204 const char *devname = device_xname(self); 205 int i,idx; 206 usbd_status err; 207 struct ucom_attach_args uca; 208 209 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 210 211 aprint_naive("\n"); 212 aprint_normal("\n"); 213 214 devinfop = usbd_devinfo_alloc(dev, 0); 215 aprint_normal_dev(self, "%s\n", devinfop); 216 usbd_devinfo_free(devinfop); 217 218 /* Move the device into the configured state. */ 219 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 220 if (err) { 221 aprint_error("\n%s: failed to set configuration, err=%s\n", 222 devname, usbd_errstr(err)); 223 goto bad; 224 } 225 226 sc->sc_dev = self; 227 sc->sc_udev = dev; 228 sc->sc_numports = 1; 229 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 230 sc->sc_hdrlen = 0; 231 if (uaa->vendor == USB_VENDOR_FTDI 232 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 233 sc->sc_type = UFTDI_TYPE_SIO; 234 sc->sc_hdrlen = 1; 235 } 236 237 ddesc = usbd_get_device_descriptor(dev); 238 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 239 switch (sc->sc_chiptype) { 240 case 0x500: /* 2232D */ 241 case 0x700: /* 2232H */ 242 sc->sc_numports = 2; 243 break; 244 case 0x800: /* 4232H */ 245 sc->sc_numports = 4; 246 break; 247 case 0x200: /* 232/245AM */ 248 case 0x400: /* 232/245BL */ 249 case 0x600: /* 232/245R */ 250 default: 251 break; 252 } 253 254 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 255 err = usbd_device2interface_handle(dev, idx, &iface); 256 if (err) { 257 aprint_error( 258 "\n%s: failed to get interface idx=%d, err=%s\n", 259 devname, idx, usbd_errstr(err)); 260 goto bad; 261 } 262 263 id = usbd_get_interface_descriptor(iface); 264 265 sc->sc_iface[idx] = iface; 266 267 uca.bulkin = uca.bulkout = -1; 268 uca.ibufsize = uca.obufsize = 0; 269 for (i = 0; i < id->bNumEndpoints; i++) { 270 int addr, dir, attr; 271 ed = usbd_interface2endpoint_descriptor(iface, i); 272 if (ed == NULL) { 273 aprint_error_dev(self, 274 "could not read endpoint descriptor: %s\n", 275 usbd_errstr(err)); 276 goto bad; 277 } 278 279 addr = ed->bEndpointAddress; 280 dir = UE_GET_DIR(ed->bEndpointAddress); 281 attr = ed->bmAttributes & UE_XFERTYPE; 282 if (dir == UE_DIR_IN && attr == UE_BULK) { 283 uca.bulkin = addr; 284 uca.ibufsize = UGETW(ed->wMaxPacketSize); 285 if (uca.ibufsize >= UFTDI_MAX_IBUFSIZE) 286 uca.ibufsize = UFTDI_MAX_IBUFSIZE; 287 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 288 uca.bulkout = addr; 289 uca.obufsize = UGETW(ed->wMaxPacketSize) 290 - sc->sc_hdrlen; 291 if (uca.obufsize >= UFTDI_MAX_OBUFSIZE) 292 uca.obufsize = UFTDI_MAX_OBUFSIZE; 293 /* Limit length if we have a 6-bit header. */ 294 if ((sc->sc_hdrlen > 0) && 295 (uca.obufsize > UFTDIOBUFSIZE)) 296 uca.obufsize = UFTDIOBUFSIZE; 297 } else { 298 aprint_error_dev(self, 299 "unexpected endpoint\n"); 300 goto bad; 301 } 302 } 303 if (uca.bulkin == -1) { 304 aprint_error_dev(self, 305 "Could not find data bulk in\n"); 306 goto bad; 307 } 308 if (uca.bulkout == -1) { 309 aprint_error_dev(self, 310 "Could not find data bulk out\n"); 311 goto bad; 312 } 313 314 uca.portno = FTDI_PIT_SIOA + idx; 315 /* bulkin, bulkout set above */ 316 if (uca.ibufsize == 0) 317 uca.ibufsize = UFTDIIBUFSIZE; 318 uca.ibufsizepad = uca.ibufsize; 319 if (uca.obufsize == 0) 320 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 321 uca.opkthdrlen = sc->sc_hdrlen; 322 uca.device = dev; 323 uca.iface = iface; 324 uca.methods = &uftdi_methods; 325 uca.arg = sc; 326 uca.info = NULL; 327 328 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 329 uca.bulkin, uca.bulkout, 330 uca.ibufsize, uca.obufsize)); 331 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 332 &uca, ucomprint, ucomsubmatch); 333 } 334 335 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 336 sc->sc_dev); 337 338 return; 339 340 bad: 341 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 342 sc->sc_dying = 1; 343 return; 344 } 345 346 int 347 uftdi_activate(device_t self, enum devact act) 348 { 349 struct uftdi_softc *sc = device_private(self); 350 351 switch (act) { 352 case DVACT_DEACTIVATE: 353 sc->sc_dying = 1; 354 return 0; 355 default: 356 return EOPNOTSUPP; 357 } 358 } 359 360 void 361 uftdi_childdet(device_t self, device_t child) 362 { 363 int i; 364 struct uftdi_softc *sc = device_private(self); 365 366 for (i = 0; i < sc->sc_numports; i++) { 367 if (sc->sc_subdev[i] == child) 368 break; 369 } 370 KASSERT(i < sc->sc_numports); 371 sc->sc_subdev[i] = NULL; 372 } 373 374 int 375 uftdi_detach(device_t self, int flags) 376 { 377 struct uftdi_softc *sc = device_private(self); 378 int i; 379 380 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 381 sc->sc_dying = 1; 382 for (i=0; i < sc->sc_numports; i++) { 383 if (sc->sc_subdev[i] != NULL) 384 config_detach(sc->sc_subdev[i], flags); 385 } 386 387 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 388 sc->sc_dev); 389 390 return (0); 391 } 392 393 Static int 394 uftdi_open(void *vsc, int portno) 395 { 396 struct uftdi_softc *sc = vsc; 397 usb_device_request_t req; 398 usbd_status err; 399 struct termios t; 400 401 DPRINTF(("uftdi_open: sc=%p\n", sc)); 402 403 if (sc->sc_dying) 404 return (EIO); 405 406 /* Perform a full reset on the device */ 407 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 408 req.bRequest = FTDI_SIO_RESET; 409 USETW(req.wValue, FTDI_SIO_RESET_SIO); 410 USETW(req.wIndex, portno); 411 USETW(req.wLength, 0); 412 err = usbd_do_request(sc->sc_udev, &req, NULL); 413 if (err) 414 return (EIO); 415 416 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 417 t.c_ospeed = 9600; 418 t.c_cflag = CSTOPB | CS8; 419 (void)uftdi_param(sc, portno, &t); 420 421 /* Turn on RTS/CTS flow control */ 422 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 423 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 424 USETW(req.wValue, 0); 425 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 426 USETW(req.wLength, 0); 427 err = usbd_do_request(sc->sc_udev, &req, NULL); 428 if (err) 429 return (EIO); 430 431 return (0); 432 } 433 434 Static void 435 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count) 436 { 437 struct uftdi_softc *sc = vsc; 438 u_char msr, lsr; 439 440 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 441 *count)); 442 443 msr = FTDI_GET_MSR(*ptr); 444 lsr = FTDI_GET_LSR(*ptr); 445 446 #ifdef UFTDI_DEBUG 447 if (*count != 2) 448 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 449 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 450 #endif 451 452 if (sc->sc_msr != msr || 453 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 454 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 455 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 456 lsr, sc->sc_lsr)); 457 sc->sc_msr = msr; 458 sc->sc_lsr = lsr; 459 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 460 } 461 462 /* Adjust buffer pointer to skip status prefix */ 463 *ptr += 2; 464 } 465 466 Static void 467 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count) 468 { 469 struct uftdi_softc *sc = vsc; 470 471 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 472 vsc, portno, *count, from[0])); 473 474 /* Make length tag and copy data */ 475 if (sc->sc_hdrlen > 0) 476 *to = FTDI_OUT_TAG(*count, portno); 477 478 memcpy(to + sc->sc_hdrlen, from, *count); 479 *count += sc->sc_hdrlen; 480 } 481 482 Static void 483 uftdi_set(void *vsc, int portno, int reg, int onoff) 484 { 485 struct uftdi_softc *sc = vsc; 486 usb_device_request_t req; 487 int ctl; 488 489 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 490 reg, onoff)); 491 492 switch (reg) { 493 case UCOM_SET_DTR: 494 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 495 break; 496 case UCOM_SET_RTS: 497 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 498 break; 499 case UCOM_SET_BREAK: 500 uftdi_break(sc, portno, onoff); 501 return; 502 default: 503 return; 504 } 505 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 506 req.bRequest = FTDI_SIO_MODEM_CTRL; 507 USETW(req.wValue, ctl); 508 USETW(req.wIndex, portno); 509 USETW(req.wLength, 0); 510 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 511 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 512 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 513 (void)usbd_do_request(sc->sc_udev, &req, NULL); 514 } 515 516 Static int 517 uftdi_param(void *vsc, int portno, struct termios *t) 518 { 519 struct uftdi_softc *sc = vsc; 520 usb_device_request_t req; 521 usbd_status err; 522 int rate, data, flow; 523 524 DPRINTF(("uftdi_param: sc=%p\n", sc)); 525 526 if (sc->sc_dying) 527 return (EIO); 528 529 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 530 req.bRequest = FTDI_SIO_SET_BITMODE; 531 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 532 USETW(req.wIndex, portno); 533 USETW(req.wLength, 0); 534 err = usbd_do_request(sc->sc_udev, &req, NULL); 535 if (err) 536 return (EIO); 537 538 switch (sc->sc_type) { 539 case UFTDI_TYPE_SIO: 540 switch (t->c_ospeed) { 541 case 300: rate = ftdi_sio_b300; break; 542 case 600: rate = ftdi_sio_b600; break; 543 case 1200: rate = ftdi_sio_b1200; break; 544 case 2400: rate = ftdi_sio_b2400; break; 545 case 4800: rate = ftdi_sio_b4800; break; 546 case 9600: rate = ftdi_sio_b9600; break; 547 case 19200: rate = ftdi_sio_b19200; break; 548 case 38400: rate = ftdi_sio_b38400; break; 549 case 57600: rate = ftdi_sio_b57600; break; 550 case 115200: rate = ftdi_sio_b115200; break; 551 default: 552 return (EINVAL); 553 } 554 break; 555 556 case UFTDI_TYPE_8U232AM: 557 switch(t->c_ospeed) { 558 case 300: rate = ftdi_8u232am_b300; break; 559 case 600: rate = ftdi_8u232am_b600; break; 560 case 1200: rate = ftdi_8u232am_b1200; break; 561 case 2400: rate = ftdi_8u232am_b2400; break; 562 case 4800: rate = ftdi_8u232am_b4800; break; 563 case 9600: rate = ftdi_8u232am_b9600; break; 564 case 19200: rate = ftdi_8u232am_b19200; break; 565 case 38400: rate = ftdi_8u232am_b38400; break; 566 case 57600: rate = ftdi_8u232am_b57600; break; 567 case 115200: rate = ftdi_8u232am_b115200; break; 568 case 230400: rate = ftdi_8u232am_b230400; break; 569 case 460800: rate = ftdi_8u232am_b460800; break; 570 case 921600: rate = ftdi_8u232am_b921600; break; 571 default: 572 return (EINVAL); 573 } 574 break; 575 576 default: 577 return (EINVAL); 578 } 579 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 580 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 581 USETW(req.wValue, rate); 582 USETW(req.wIndex, portno); 583 USETW(req.wLength, 0); 584 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 585 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 586 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 587 err = usbd_do_request(sc->sc_udev, &req, NULL); 588 if (err) 589 return (EIO); 590 591 if (ISSET(t->c_cflag, CSTOPB)) 592 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 593 else 594 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 595 if (ISSET(t->c_cflag, PARENB)) { 596 if (ISSET(t->c_cflag, PARODD)) 597 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 598 else 599 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 600 } else 601 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 602 switch (ISSET(t->c_cflag, CSIZE)) { 603 case CS5: 604 data |= FTDI_SIO_SET_DATA_BITS(5); 605 break; 606 case CS6: 607 data |= FTDI_SIO_SET_DATA_BITS(6); 608 break; 609 case CS7: 610 data |= FTDI_SIO_SET_DATA_BITS(7); 611 break; 612 case CS8: 613 data |= FTDI_SIO_SET_DATA_BITS(8); 614 break; 615 } 616 sc->last_lcr = data; 617 618 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 619 req.bRequest = FTDI_SIO_SET_DATA; 620 USETW(req.wValue, data); 621 USETW(req.wIndex, portno); 622 USETW(req.wLength, 0); 623 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 624 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 625 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 626 err = usbd_do_request(sc->sc_udev, &req, NULL); 627 if (err) 628 return (EIO); 629 630 if (ISSET(t->c_cflag, CRTSCTS)) { 631 flow = FTDI_SIO_RTS_CTS_HS; 632 USETW(req.wValue, 0); 633 } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 634 flow = FTDI_SIO_XON_XOFF_HS; 635 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 636 } else { 637 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 638 USETW(req.wValue, 0); 639 } 640 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 641 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 642 USETW2(req.wIndex, flow, portno); 643 USETW(req.wLength, 0); 644 err = usbd_do_request(sc->sc_udev, &req, NULL); 645 if (err) 646 return (EIO); 647 648 return (0); 649 } 650 651 void 652 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 653 { 654 struct uftdi_softc *sc = vsc; 655 656 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 657 sc->sc_msr, sc->sc_lsr)); 658 659 if (msr != NULL) 660 *msr = sc->sc_msr; 661 if (lsr != NULL) 662 *lsr = sc->sc_lsr; 663 } 664 665 void 666 uftdi_break(void *vsc, int portno, int onoff) 667 { 668 struct uftdi_softc *sc = vsc; 669 usb_device_request_t req; 670 int data; 671 672 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 673 onoff)); 674 675 if (onoff) { 676 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 677 } else { 678 data = sc->last_lcr; 679 } 680 681 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 682 req.bRequest = FTDI_SIO_SET_DATA; 683 USETW(req.wValue, data); 684 USETW(req.wIndex, portno); 685 USETW(req.wLength, 0); 686 (void)usbd_do_request(sc->sc_udev, &req, NULL); 687 } 688
Indexes created Fri Oct 03 02:09:57 GMT 2025