uftdi.c revision 1.63
1 /* $NetBSD: uftdi.c,v 1.63 2016/11/25 12:56:29 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 1.63 2016/11/25 12:56:29 skrll 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_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 169 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 170 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 171 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 172 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 173 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 174 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 175 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 176 }; 177 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 178 179 int uftdi_match(device_t, cfdata_t, void *); 180 void uftdi_attach(device_t, device_t, void *); 181 void uftdi_childdet(device_t, device_t); 182 int uftdi_detach(device_t, int); 183 int uftdi_activate(device_t, enum devact); 184 extern struct cfdriver uftdi_cd; 185 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 186 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 187 188 int 189 uftdi_match(device_t parent, cfdata_t match, void *aux) 190 { 191 struct usb_attach_arg *uaa = aux; 192 193 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 194 uaa->uaa_vendor, uaa->uaa_product)); 195 196 return uftdi_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 197 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 198 } 199 200 void 201 uftdi_attach(device_t parent, device_t self, void *aux) 202 { 203 struct uftdi_softc *sc = device_private(self); 204 struct usb_attach_arg *uaa = aux; 205 struct usbd_device *dev = uaa->uaa_device; 206 struct usbd_interface *iface; 207 usb_device_descriptor_t *ddesc; 208 usb_interface_descriptor_t *id; 209 usb_endpoint_descriptor_t *ed; 210 char *devinfop; 211 const char *devname = device_xname(self); 212 int i,idx; 213 usbd_status err; 214 struct ucom_attach_args ucaa; 215 216 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 217 218 aprint_naive("\n"); 219 aprint_normal("\n"); 220 221 devinfop = usbd_devinfo_alloc(dev, 0); 222 aprint_normal_dev(self, "%s\n", devinfop); 223 usbd_devinfo_free(devinfop); 224 225 /* Move the device into the configured state. */ 226 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 227 if (err) { 228 aprint_error("\n%s: failed to set configuration, err=%s\n", 229 devname, usbd_errstr(err)); 230 goto bad; 231 } 232 233 sc->sc_dev = self; 234 sc->sc_udev = dev; 235 sc->sc_numports = 1; 236 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 237 sc->sc_hdrlen = 0; 238 if (uaa->uaa_vendor == USB_VENDOR_FTDI 239 && uaa->uaa_product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 240 sc->sc_type = UFTDI_TYPE_SIO; 241 sc->sc_hdrlen = 1; 242 } 243 244 ddesc = usbd_get_device_descriptor(dev); 245 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 246 switch (sc->sc_chiptype) { 247 case 0x500: /* 2232D */ 248 case 0x700: /* 2232H */ 249 sc->sc_numports = 2; 250 break; 251 case 0x800: /* 4232H */ 252 sc->sc_numports = 4; 253 break; 254 case 0x200: /* 232/245AM */ 255 case 0x400: /* 232/245BL */ 256 case 0x600: /* 232/245R */ 257 default: 258 break; 259 } 260 261 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 262 err = usbd_device2interface_handle(dev, idx, &iface); 263 if (err) { 264 aprint_error( 265 "\n%s: failed to get interface idx=%d, err=%s\n", 266 devname, idx, usbd_errstr(err)); 267 goto bad; 268 } 269 270 id = usbd_get_interface_descriptor(iface); 271 272 sc->sc_iface[idx] = iface; 273 274 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 275 ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0; 276 for (i = 0; i < id->bNumEndpoints; i++) { 277 int addr, dir, attr; 278 ed = usbd_interface2endpoint_descriptor(iface, i); 279 if (ed == NULL) { 280 aprint_error_dev(self, 281 "could not read endpoint descriptor: %s\n", 282 usbd_errstr(err)); 283 goto bad; 284 } 285 286 addr = ed->bEndpointAddress; 287 dir = UE_GET_DIR(ed->bEndpointAddress); 288 attr = ed->bmAttributes & UE_XFERTYPE; 289 if (dir == UE_DIR_IN && attr == UE_BULK) { 290 ucaa.ucaa_bulkin = addr; 291 ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize); 292 if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE) 293 ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE; 294 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 295 ucaa.ucaa_bulkout = addr; 296 ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize) 297 - sc->sc_hdrlen; 298 if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE) 299 ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE; 300 /* Limit length if we have a 6-bit header. */ 301 if ((sc->sc_hdrlen > 0) && 302 (ucaa.ucaa_obufsize > UFTDIOBUFSIZE)) 303 ucaa.ucaa_obufsize = UFTDIOBUFSIZE; 304 } else { 305 aprint_error_dev(self, 306 "unexpected endpoint\n"); 307 goto bad; 308 } 309 } 310 if (ucaa.ucaa_bulkin == -1) { 311 aprint_error_dev(self, 312 "Could not find data bulk in\n"); 313 goto bad; 314 } 315 if (ucaa.ucaa_bulkout == -1) { 316 aprint_error_dev(self, 317 "Could not find data bulk out\n"); 318 goto bad; 319 } 320 321 ucaa.ucaa_portno = FTDI_PIT_SIOA + idx; 322 /* ucaa_bulkin, ucaa_bulkout set above */ 323 if (ucaa.ucaa_ibufsize == 0) 324 ucaa.ucaa_ibufsize = UFTDIIBUFSIZE; 325 ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize; 326 if (ucaa.ucaa_obufsize == 0) 327 ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 328 ucaa.ucaa_opkthdrlen = sc->sc_hdrlen; 329 ucaa.ucaa_device = dev; 330 ucaa.ucaa_iface = iface; 331 ucaa.ucaa_methods = &uftdi_methods; 332 ucaa.ucaa_arg = sc; 333 ucaa.ucaa_info = NULL; 334 335 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 336 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, 337 ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize)); 338 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 339 &ucaa, ucomprint, ucomsubmatch); 340 } 341 342 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 343 344 return; 345 346 bad: 347 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 348 sc->sc_dying = 1; 349 return; 350 } 351 352 int 353 uftdi_activate(device_t self, enum devact act) 354 { 355 struct uftdi_softc *sc = device_private(self); 356 357 switch (act) { 358 case DVACT_DEACTIVATE: 359 sc->sc_dying = 1; 360 return 0; 361 default: 362 return EOPNOTSUPP; 363 } 364 } 365 366 void 367 uftdi_childdet(device_t self, device_t child) 368 { 369 int i; 370 struct uftdi_softc *sc = device_private(self); 371 372 for (i = 0; i < sc->sc_numports; i++) { 373 if (sc->sc_subdev[i] == child) 374 break; 375 } 376 KASSERT(i < sc->sc_numports); 377 sc->sc_subdev[i] = NULL; 378 } 379 380 int 381 uftdi_detach(device_t self, int flags) 382 { 383 struct uftdi_softc *sc = device_private(self); 384 int i; 385 386 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 387 sc->sc_dying = 1; 388 for (i=0; i < sc->sc_numports; i++) { 389 if (sc->sc_subdev[i] != NULL) 390 config_detach(sc->sc_subdev[i], flags); 391 } 392 393 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 394 395 return 0; 396 } 397 398 Static int 399 uftdi_open(void *vsc, int portno) 400 { 401 struct uftdi_softc *sc = vsc; 402 usb_device_request_t req; 403 usbd_status err; 404 struct termios t; 405 406 DPRINTF(("uftdi_open: sc=%p\n", sc)); 407 408 if (sc->sc_dying) 409 return EIO; 410 411 /* Perform a full reset on the device */ 412 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 413 req.bRequest = FTDI_SIO_RESET; 414 USETW(req.wValue, FTDI_SIO_RESET_SIO); 415 USETW(req.wIndex, portno); 416 USETW(req.wLength, 0); 417 err = usbd_do_request(sc->sc_udev, &req, NULL); 418 if (err) 419 return EIO; 420 421 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 422 t.c_ospeed = 9600; 423 t.c_cflag = CSTOPB | CS8; 424 (void)uftdi_param(sc, portno, &t); 425 426 /* Turn on RTS/CTS flow control */ 427 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 428 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 429 USETW(req.wValue, 0); 430 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 431 USETW(req.wLength, 0); 432 err = usbd_do_request(sc->sc_udev, &req, NULL); 433 if (err) 434 return EIO; 435 436 return 0; 437 } 438 439 Static void 440 uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) 441 { 442 struct uftdi_softc *sc = vsc; 443 u_char msr, lsr; 444 445 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 446 *count)); 447 448 msr = FTDI_GET_MSR(*ptr); 449 lsr = FTDI_GET_LSR(*ptr); 450 451 #ifdef UFTDI_DEBUG 452 if (*count != 2) 453 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 454 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 455 #endif 456 457 if (sc->sc_msr != msr || 458 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 459 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 460 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 461 lsr, sc->sc_lsr)); 462 sc->sc_msr = msr; 463 sc->sc_lsr = lsr; 464 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 465 } 466 467 /* Adjust buffer pointer to skip status prefix */ 468 *ptr += 2; 469 } 470 471 Static void 472 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) 473 { 474 struct uftdi_softc *sc = vsc; 475 476 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 477 vsc, portno, *count, from[0])); 478 479 /* Make length tag and copy data */ 480 if (sc->sc_hdrlen > 0) 481 *to = FTDI_OUT_TAG(*count, portno); 482 483 memcpy(to + sc->sc_hdrlen, from, *count); 484 *count += sc->sc_hdrlen; 485 } 486 487 Static void 488 uftdi_set(void *vsc, int portno, int reg, int onoff) 489 { 490 struct uftdi_softc *sc = vsc; 491 usb_device_request_t req; 492 int ctl; 493 494 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 495 reg, onoff)); 496 497 switch (reg) { 498 case UCOM_SET_DTR: 499 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 500 break; 501 case UCOM_SET_RTS: 502 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 503 break; 504 case UCOM_SET_BREAK: 505 uftdi_break(sc, portno, onoff); 506 return; 507 default: 508 return; 509 } 510 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 511 req.bRequest = FTDI_SIO_MODEM_CTRL; 512 USETW(req.wValue, ctl); 513 USETW(req.wIndex, portno); 514 USETW(req.wLength, 0); 515 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 516 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 517 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 518 (void)usbd_do_request(sc->sc_udev, &req, NULL); 519 } 520 521 Static int 522 uftdi_param(void *vsc, int portno, struct termios *t) 523 { 524 struct uftdi_softc *sc = vsc; 525 usb_device_request_t req; 526 usbd_status err; 527 int rate, data, flow; 528 529 DPRINTF(("uftdi_param: sc=%p\n", sc)); 530 531 if (sc->sc_dying) 532 return EIO; 533 534 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 535 req.bRequest = FTDI_SIO_SET_BITMODE; 536 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 537 USETW(req.wIndex, portno); 538 USETW(req.wLength, 0); 539 err = usbd_do_request(sc->sc_udev, &req, NULL); 540 if (err) 541 return EIO; 542 543 switch (sc->sc_type) { 544 case UFTDI_TYPE_SIO: 545 switch (t->c_ospeed) { 546 case 300: rate = ftdi_sio_b300; break; 547 case 600: rate = ftdi_sio_b600; break; 548 case 1200: rate = ftdi_sio_b1200; break; 549 case 2400: rate = ftdi_sio_b2400; break; 550 case 4800: rate = ftdi_sio_b4800; break; 551 case 9600: rate = ftdi_sio_b9600; break; 552 case 19200: rate = ftdi_sio_b19200; break; 553 case 38400: rate = ftdi_sio_b38400; break; 554 case 57600: rate = ftdi_sio_b57600; break; 555 case 115200: rate = ftdi_sio_b115200; break; 556 default: 557 return EINVAL; 558 } 559 break; 560 561 case UFTDI_TYPE_8U232AM: 562 switch(t->c_ospeed) { 563 case 300: rate = ftdi_8u232am_b300; break; 564 case 600: rate = ftdi_8u232am_b600; break; 565 case 1200: rate = ftdi_8u232am_b1200; break; 566 case 2400: rate = ftdi_8u232am_b2400; break; 567 case 4800: rate = ftdi_8u232am_b4800; break; 568 case 9600: rate = ftdi_8u232am_b9600; break; 569 case 19200: rate = ftdi_8u232am_b19200; break; 570 case 38400: rate = ftdi_8u232am_b38400; break; 571 case 57600: rate = ftdi_8u232am_b57600; break; 572 case 115200: rate = ftdi_8u232am_b115200; break; 573 case 230400: rate = ftdi_8u232am_b230400; break; 574 case 460800: rate = ftdi_8u232am_b460800; break; 575 case 921600: rate = ftdi_8u232am_b921600; break; 576 default: 577 return EINVAL; 578 } 579 break; 580 581 default: 582 return EINVAL; 583 } 584 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 585 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 586 USETW(req.wValue, rate); 587 USETW(req.wIndex, portno); 588 USETW(req.wLength, 0); 589 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 590 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 591 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 592 err = usbd_do_request(sc->sc_udev, &req, NULL); 593 if (err) 594 return EIO; 595 596 if (ISSET(t->c_cflag, CSTOPB)) 597 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 598 else 599 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 600 if (ISSET(t->c_cflag, PARENB)) { 601 if (ISSET(t->c_cflag, PARODD)) 602 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 603 else 604 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 605 } else 606 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 607 switch (ISSET(t->c_cflag, CSIZE)) { 608 case CS5: 609 data |= FTDI_SIO_SET_DATA_BITS(5); 610 break; 611 case CS6: 612 data |= FTDI_SIO_SET_DATA_BITS(6); 613 break; 614 case CS7: 615 data |= FTDI_SIO_SET_DATA_BITS(7); 616 break; 617 case CS8: 618 data |= FTDI_SIO_SET_DATA_BITS(8); 619 break; 620 } 621 sc->last_lcr = data; 622 623 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 624 req.bRequest = FTDI_SIO_SET_DATA; 625 USETW(req.wValue, data); 626 USETW(req.wIndex, portno); 627 USETW(req.wLength, 0); 628 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 629 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 630 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 631 err = usbd_do_request(sc->sc_udev, &req, NULL); 632 if (err) 633 return EIO; 634 635 if (ISSET(t->c_cflag, CRTSCTS)) { 636 flow = FTDI_SIO_RTS_CTS_HS; 637 USETW(req.wValue, 0); 638 } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { 639 flow = FTDI_SIO_XON_XOFF_HS; 640 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 641 } else { 642 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 643 USETW(req.wValue, 0); 644 } 645 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 646 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 647 USETW2(req.wIndex, flow, portno); 648 USETW(req.wLength, 0); 649 err = usbd_do_request(sc->sc_udev, &req, NULL); 650 if (err) 651 return EIO; 652 653 return 0; 654 } 655 656 void 657 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 658 { 659 struct uftdi_softc *sc = vsc; 660 661 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 662 sc->sc_msr, sc->sc_lsr)); 663 664 if (msr != NULL) 665 *msr = sc->sc_msr; 666 if (lsr != NULL) 667 *lsr = sc->sc_lsr; 668 } 669 670 void 671 uftdi_break(void *vsc, int portno, int onoff) 672 { 673 struct uftdi_softc *sc = vsc; 674 usb_device_request_t req; 675 int data; 676 677 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 678 onoff)); 679 680 if (onoff) { 681 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 682 } else { 683 data = sc->last_lcr; 684 } 685 686 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 687 req.bRequest = FTDI_SIO_SET_DATA; 688 USETW(req.wValue, data); 689 USETW(req.wIndex, portno); 690 USETW(req.wLength, 0); 691 (void)usbd_do_request(sc->sc_udev, &req, NULL); 692 } 693
Indexes created Tue Sep 30 07:10:03 GMT 2025