uftdi.c revision 1.65
1 /* $NetBSD: uftdi.c,v 1.65 2017/05/30 20:26:26 jnemeth 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 1.65 2017/05/30 20:26:26 jnemeth Exp $"); 34 35 #ifdef _KERNEL_OPT 36 #include "opt_usb.h" 37 #endif 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/device.h> 43 #include <sys/conf.h> 44 #include <sys/tty.h> 45 46 #include <dev/usb/usb.h> 47 48 #include <dev/usb/usbdi.h> 49 #include <dev/usb/usbdi_util.h> 50 #include <dev/usb/usbdevs.h> 51 52 #include <dev/usb/ucomvar.h> 53 54 #include <dev/usb/uftdireg.h> 55 56 #ifdef UFTDI_DEBUG 57 #define DPRINTF(x) if (uftdidebug) printf x 58 #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x 59 int uftdidebug = 0; 60 #else 61 #define DPRINTF(x) 62 #define DPRINTFN(n,x) 63 #endif 64 65 #define UFTDI_CONFIG_INDEX 0 66 #define UFTDI_IFACE_INDEX 0 67 #define UFTDI_MAX_PORTS 4 68 69 /* 70 * These are the default number of bytes transferred per frame if the 71 * endpoint doesn't tell us. The output buffer size is a hard limit 72 * for devices that use a 6-bit size encoding. 73 */ 74 #define UFTDIIBUFSIZE 64 75 #define UFTDIOBUFSIZE 64 76 77 /* 78 * Magic constants! Where do these come from? They're what Linux uses... 79 */ 80 #define UFTDI_MAX_IBUFSIZE 512 81 #define UFTDI_MAX_OBUFSIZE 256 82 83 struct uftdi_softc { 84 device_t sc_dev; /* base device */ 85 struct usbd_device * sc_udev; /* device */ 86 struct usbd_interface * sc_iface[UFTDI_MAX_PORTS]; /* interface */ 87 88 enum uftdi_type sc_type; 89 u_int sc_hdrlen; 90 u_int sc_numports; 91 u_int sc_chiptype; 92 93 u_char sc_msr; 94 u_char sc_lsr; 95 96 device_t sc_subdev[UFTDI_MAX_PORTS]; 97 98 u_char sc_dying; 99 100 u_int last_lcr; 101 102 }; 103 104 Static void uftdi_get_status(void *, int, u_char *, u_char *); 105 Static void uftdi_set(void *, int, int, int); 106 Static int uftdi_param(void *, int, struct termios *); 107 Static int uftdi_open(void *, int); 108 Static void uftdi_read(void *, int, u_char **, uint32_t *); 109 Static void uftdi_write(void *, int, u_char *, u_char *, 110 uint32_t *); 111 Static void uftdi_break(void *, int, int); 112 113 struct ucom_methods uftdi_methods = { 114 .ucom_get_status = uftdi_get_status, 115 .ucom_set = uftdi_set, 116 .ucom_param = uftdi_param, 117 .ucom_ioctl = NULL, 118 .ucom_open = uftdi_open, 119 .ucom_close = NULL, 120 .ucom_read = uftdi_read, 121 .ucom_write = uftdi_write, 122 }; 123 124 /* 125 * The devices default to UFTDI_TYPE_8U232AM. 126 * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead 127 */ 128 static const struct usb_devno uftdi_devs[] = { 129 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 130 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 131 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_230X }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232H }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232RL }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 154 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 155 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 156 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 157 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 158 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 159 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 160 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, 161 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_BEAGLEBONE }, 162 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, 163 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 164 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 165 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 166 { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 }, 167 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 168 { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_CT57A }, 169 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 170 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 171 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 172 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 173 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 174 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 175 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 176 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 177 }; 178 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 179 180 int uftdi_match(device_t, cfdata_t, void *); 181 void uftdi_attach(device_t, device_t, void *); 182 void uftdi_childdet(device_t, device_t); 183 int uftdi_detach(device_t, int); 184 int uftdi_activate(device_t, enum devact); 185 extern struct cfdriver uftdi_cd; 186 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 187 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 188 189 int 190 uftdi_match(device_t parent, cfdata_t match, void *aux) 191 { 192 struct usb_attach_arg *uaa = aux; 193 194 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 195 uaa->uaa_vendor, uaa->uaa_product)); 196 197 return uftdi_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 198 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 199 } 200 201 void 202 uftdi_attach(device_t parent, device_t self, void *aux) 203 { 204 struct uftdi_softc *sc = device_private(self); 205 struct usb_attach_arg *uaa = aux; 206 struct usbd_device *dev = uaa->uaa_device; 207 struct usbd_interface *iface; 208 usb_device_descriptor_t *ddesc; 209 usb_interface_descriptor_t *id; 210 usb_endpoint_descriptor_t *ed; 211 char *devinfop; 212 const char *devname = device_xname(self); 213 int i,idx; 214 usbd_status err; 215 struct ucom_attach_args ucaa; 216 217 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 218 219 aprint_naive("\n"); 220 aprint_normal("\n"); 221 222 devinfop = usbd_devinfo_alloc(dev, 0); 223 aprint_normal_dev(self, "%s\n", devinfop); 224 usbd_devinfo_free(devinfop); 225 226 /* Move the device into the configured state. */ 227 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 228 if (err) { 229 aprint_error("\n%s: failed to set configuration, err=%s\n", 230 devname, usbd_errstr(err)); 231 goto bad; 232 } 233 234 sc->sc_dev = self; 235 sc->sc_udev = dev; 236 sc->sc_numports = 1; 237 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 238 sc->sc_hdrlen = 0; 239 if (uaa->uaa_vendor == USB_VENDOR_FTDI 240 && uaa->uaa_product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 241 sc->sc_type = UFTDI_TYPE_SIO; 242 sc->sc_hdrlen = 1; 243 } 244 245 ddesc = usbd_get_device_descriptor(dev); 246 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 247 switch (sc->sc_chiptype) { 248 case 0x500: /* 2232D */ 249 case 0x700: /* 2232H */ 250 sc->sc_numports = 2; 251 break; 252 case 0x800: /* 4232H */ 253 sc->sc_numports = 4; 254 break; 255 case 0x200: /* 232/245AM */ 256 case 0x400: /* 232/245BL */ 257 case 0x600: /* 232/245R */ 258 default: 259 break; 260 } 261 262 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 263 err = usbd_device2interface_handle(dev, idx, &iface); 264 if (err) { 265 aprint_error( 266 "\n%s: failed to get interface idx=%d, err=%s\n", 267 devname, idx, usbd_errstr(err)); 268 goto bad; 269 } 270 271 id = usbd_get_interface_descriptor(iface); 272 273 sc->sc_iface[idx] = iface; 274 275 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 276 ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0; 277 for (i = 0; i < id->bNumEndpoints; i++) { 278 int addr, dir, attr; 279 ed = usbd_interface2endpoint_descriptor(iface, i); 280 if (ed == NULL) { 281 aprint_error_dev(self, 282 "could not read endpoint descriptor: %s\n", 283 usbd_errstr(err)); 284 goto bad; 285 } 286 287 addr = ed->bEndpointAddress; 288 dir = UE_GET_DIR(ed->bEndpointAddress); 289 attr = ed->bmAttributes & UE_XFERTYPE; 290 if (dir == UE_DIR_IN && attr == UE_BULK) { 291 ucaa.ucaa_bulkin = addr; 292 ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize); 293 if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE) 294 ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE; 295 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 296 ucaa.ucaa_bulkout = addr; 297 ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize) 298 - sc->sc_hdrlen; 299 if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE) 300 ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE; 301 /* Limit length if we have a 6-bit header. */ 302 if ((sc->sc_hdrlen > 0) && 303 (ucaa.ucaa_obufsize > UFTDIOBUFSIZE)) 304 ucaa.ucaa_obufsize = UFTDIOBUFSIZE; 305 } else { 306 aprint_error_dev(self, 307 "unexpected endpoint\n"); 308 goto bad; 309 } 310 } 311 if (ucaa.ucaa_bulkin == -1) { 312 aprint_error_dev(self, 313 "Could not find data bulk in\n"); 314 goto bad; 315 } 316 if (ucaa.ucaa_bulkout == -1) { 317 aprint_error_dev(self, 318 "Could not find data bulk out\n"); 319 goto bad; 320 } 321 322 ucaa.ucaa_portno = FTDI_PIT_SIOA + idx; 323 /* ucaa_bulkin, ucaa_bulkout set above */ 324 if (ucaa.ucaa_ibufsize == 0) 325 ucaa.ucaa_ibufsize = UFTDIIBUFSIZE; 326 ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize; 327 if (ucaa.ucaa_obufsize == 0) 328 ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 329 ucaa.ucaa_opkthdrlen = sc->sc_hdrlen; 330 ucaa.ucaa_device = dev; 331 ucaa.ucaa_iface = iface; 332 ucaa.ucaa_methods = &uftdi_methods; 333 ucaa.ucaa_arg = sc; 334 ucaa.ucaa_info = NULL; 335 336 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 337 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, 338 ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize)); 339 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 340 &ucaa, ucomprint, ucomsubmatch); 341 } 342 343 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 344 345 if (!pmf_device_register(self, NULL, NULL)) 346 aprint_error_dev(self, "couldn't establish power handler\n"); 347 348 return; 349 350 bad: 351 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 352 sc->sc_dying = 1; 353 return; 354 } 355 356 int 357 uftdi_activate(device_t self, enum devact act) 358 { 359 struct uftdi_softc *sc = device_private(self); 360 361 switch (act) { 362 case DVACT_DEACTIVATE: 363 sc->sc_dying = 1; 364 return 0; 365 default: 366 return EOPNOTSUPP; 367 } 368 } 369 370 void 371 uftdi_childdet(device_t self, device_t child) 372 { 373 int i; 374 struct uftdi_softc *sc = device_private(self); 375 376 for (i = 0; i < sc->sc_numports; i++) { 377 if (sc->sc_subdev[i] == child) 378 break; 379 } 380 KASSERT(i < sc->sc_numports); 381 sc->sc_subdev[i] = NULL; 382 } 383 384 int 385 uftdi_detach(device_t self, int flags) 386 { 387 struct uftdi_softc *sc = device_private(self); 388 int i; 389 390 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 391 sc->sc_dying = 1; 392 for (i=0; i < sc->sc_numports; i++) { 393 if (sc->sc_subdev[i] != NULL) 394 config_detach(sc->sc_subdev[i], flags); 395 } 396 397 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 398 399 return 0; 400 } 401 402 Static int 403 uftdi_open(void *vsc, int portno) 404 { 405 struct uftdi_softc *sc = vsc; 406 usb_device_request_t req; 407 usbd_status err; 408 struct termios t; 409 410 DPRINTF(("uftdi_open: sc=%p\n", sc)); 411 412 if (sc->sc_dying) 413 return EIO; 414 415 /* Perform a full reset on the device */ 416 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 417 req.bRequest = FTDI_SIO_RESET; 418 USETW(req.wValue, FTDI_SIO_RESET_SIO); 419 USETW(req.wIndex, portno); 420 USETW(req.wLength, 0); 421 err = usbd_do_request(sc->sc_udev, &req, NULL); 422 if (err) 423 return EIO; 424 425 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 426 t.c_ospeed = 9600; 427 t.c_cflag = CSTOPB | CS8; 428 (void)uftdi_param(sc, portno, &t); 429 430 /* Turn on RTS/CTS flow control */ 431 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 432 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 433 USETW(req.wValue, 0); 434 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 435 USETW(req.wLength, 0); 436 err = usbd_do_request(sc->sc_udev, &req, NULL); 437 if (err) 438 return EIO; 439 440 return 0; 441 } 442 443 Static void 444 uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) 445 { 446 struct uftdi_softc *sc = vsc; 447 u_char msr, lsr; 448 449 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 450 *count)); 451 452 msr = FTDI_GET_MSR(*ptr); 453 lsr = FTDI_GET_LSR(*ptr); 454 455 #ifdef UFTDI_DEBUG 456 if (*count != 2) 457 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 458 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 459 #endif 460 461 if (sc->sc_msr != msr || 462 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 463 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 464 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 465 lsr, sc->sc_lsr)); 466 sc->sc_msr = msr; 467 sc->sc_lsr = lsr; 468 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 469 } 470 471 /* Adjust buffer pointer to skip status prefix */ 472 *ptr += 2; 473 } 474 475 Static void 476 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) 477 { 478 struct uftdi_softc *sc = vsc; 479 480 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 481 vsc, portno, *count, from[0])); 482 483 /* Make length tag and copy data */ 484 if (sc->sc_hdrlen > 0) 485 *to = FTDI_OUT_TAG(*count, portno); 486 487 memcpy(to + sc->sc_hdrlen, from, *count); 488 *count += sc->sc_hdrlen; 489 } 490 491 Static void 492 uftdi_set(void *vsc, int portno, int reg, int onoff) 493 { 494 struct uftdi_softc *sc = vsc; 495 usb_device_request_t req; 496 int ctl; 497 498 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 499 reg, onoff)); 500 501 switch (reg) { 502 case UCOM_SET_DTR: 503 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 504 break; 505 case UCOM_SET_RTS: 506 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 507 break; 508 case UCOM_SET_BREAK: 509 uftdi_break(sc, portno, onoff); 510 return; 511 default: 512 return; 513 } 514 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 515 req.bRequest = FTDI_SIO_MODEM_CTRL; 516 USETW(req.wValue, ctl); 517 USETW(req.wIndex, portno); 518 USETW(req.wLength, 0); 519 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 520 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 521 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 522 (void)usbd_do_request(sc->sc_udev, &req, NULL); 523 } 524 525 Static int 526 uftdi_param(void *vsc, int portno, struct termios *t) 527 { 528 struct uftdi_softc *sc = vsc; 529 usb_device_request_t req; 530 usbd_status err; 531 int rate, data, flow; 532 533 DPRINTF(("uftdi_param: sc=%p\n", sc)); 534 535 if (sc->sc_dying) 536 return EIO; 537 538 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 539 req.bRequest = FTDI_SIO_SET_BITMODE; 540 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 541 USETW(req.wIndex, portno); 542 USETW(req.wLength, 0); 543 err = usbd_do_request(sc->sc_udev, &req, NULL); 544 if (err) 545 return EIO; 546 547 switch (sc->sc_type) { 548 case UFTDI_TYPE_SIO: 549 switch (t->c_ospeed) { 550 case 300: rate = ftdi_sio_b300; break; 551 case 600: rate = ftdi_sio_b600; break; 552 case 1200: rate = ftdi_sio_b1200; break; 553 case 2400: rate = ftdi_sio_b2400; break; 554 case 4800: rate = ftdi_sio_b4800; break; 555 case 9600: rate = ftdi_sio_b9600; break; 556 case 19200: rate = ftdi_sio_b19200; break; 557 case 38400: rate = ftdi_sio_b38400; break; 558 case 57600: rate = ftdi_sio_b57600; break; 559 case 115200: rate = ftdi_sio_b115200; break; 560 default: 561 return EINVAL; 562 } 563 break; 564 565 case UFTDI_TYPE_8U232AM: 566 switch(t->c_ospeed) { 567 case 300: rate = ftdi_8u232am_b300; break; 568 case 600: rate = ftdi_8u232am_b600; break; 569 case 1200: rate = ftdi_8u232am_b1200; break; 570 case 2400: rate = ftdi_8u232am_b2400; break; 571 case 4800: rate = ftdi_8u232am_b4800; break; 572 case 9600: rate = ftdi_8u232am_b9600; break; 573 case 19200: rate = ftdi_8u232am_b19200; break; 574 case 38400: rate = ftdi_8u232am_b38400; break; 575 case 57600: rate = ftdi_8u232am_b57600; break; 576 case 115200: rate = ftdi_8u232am_b115200; break; 577 case 230400: rate = ftdi_8u232am_b230400; break; 578 case 460800: rate = ftdi_8u232am_b460800; break; 579 case 921600: rate = ftdi_8u232am_b921600; break; 580 default: 581 return EINVAL; 582 } 583 break; 584 585 default: 586 return EINVAL; 587 } 588 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 589 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 590 USETW(req.wValue, rate); 591 USETW(req.wIndex, portno); 592 USETW(req.wLength, 0); 593 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 594 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 595 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 596 err = usbd_do_request(sc->sc_udev, &req, NULL); 597 if (err) 598 return EIO; 599 600 if (ISSET(t->c_cflag, CSTOPB)) 601 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 602 else 603 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 604 if (ISSET(t->c_cflag, PARENB)) { 605 if (ISSET(t->c_cflag, PARODD)) 606 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 607 else 608 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 609 } else 610 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 611 switch (ISSET(t->c_cflag, CSIZE)) { 612 case CS5: 613 data |= FTDI_SIO_SET_DATA_BITS(5); 614 break; 615 case CS6: 616 data |= FTDI_SIO_SET_DATA_BITS(6); 617 break; 618 case CS7: 619 data |= FTDI_SIO_SET_DATA_BITS(7); 620 break; 621 case CS8: 622 data |= FTDI_SIO_SET_DATA_BITS(8); 623 break; 624 } 625 sc->last_lcr = data; 626 627 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 628 req.bRequest = FTDI_SIO_SET_DATA; 629 USETW(req.wValue, data); 630 USETW(req.wIndex, portno); 631 USETW(req.wLength, 0); 632 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 633 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 634 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 635 err = usbd_do_request(sc->sc_udev, &req, NULL); 636 if (err) 637 return EIO; 638 639 if (ISSET(t->c_cflag, CRTSCTS)) { 640 flow = FTDI_SIO_RTS_CTS_HS; 641 USETW(req.wValue, 0); 642 } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { 643 flow = FTDI_SIO_XON_XOFF_HS; 644 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 645 } else { 646 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 647 USETW(req.wValue, 0); 648 } 649 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 650 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 651 USETW2(req.wIndex, flow, portno); 652 USETW(req.wLength, 0); 653 err = usbd_do_request(sc->sc_udev, &req, NULL); 654 if (err) 655 return EIO; 656 657 return 0; 658 } 659 660 void 661 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 662 { 663 struct uftdi_softc *sc = vsc; 664 665 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 666 sc->sc_msr, sc->sc_lsr)); 667 668 if (msr != NULL) 669 *msr = sc->sc_msr; 670 if (lsr != NULL) 671 *lsr = sc->sc_lsr; 672 } 673 674 void 675 uftdi_break(void *vsc, int portno, int onoff) 676 { 677 struct uftdi_softc *sc = vsc; 678 usb_device_request_t req; 679 int data; 680 681 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 682 onoff)); 683 684 if (onoff) { 685 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 686 } else { 687 data = sc->last_lcr; 688 } 689 690 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 691 req.bRequest = FTDI_SIO_SET_DATA; 692 USETW(req.wValue, data); 693 USETW(req.wIndex, portno); 694 USETW(req.wLength, 0); 695 (void)usbd_do_request(sc->sc_udev, &req, NULL); 696 } 697
Indexes created Tue Sep 30 11:09:46 GMT 2025