1 /* $NetBSD: uftdi.c,v 1.66 2017/12/22 14:18:29 jakllsch 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 1.66 2017/12/22 14:18:29 jakllsch 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_RTSYS, USB_PRODUCT_RTSYS_RTS03 }, 170 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 171 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 172 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 173 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 174 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 175 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 176 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 177 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 178 }; 179 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 180 181 int uftdi_match(device_t, cfdata_t, void *); 182 void uftdi_attach(device_t, device_t, void *); 183 void uftdi_childdet(device_t, device_t); 184 int uftdi_detach(device_t, int); 185 int uftdi_activate(device_t, enum devact); 186 extern struct cfdriver uftdi_cd; 187 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 188 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 189 190 int 191 uftdi_match(device_t parent, cfdata_t match, void *aux) 192 { 193 struct usb_attach_arg *uaa = aux; 194 195 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 196 uaa->uaa_vendor, uaa->uaa_product)); 197 198 return uftdi_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 199 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 200 } 201 202 void 203 uftdi_attach(device_t parent, device_t self, void *aux) 204 { 205 struct uftdi_softc *sc = device_private(self); 206 struct usb_attach_arg *uaa = aux; 207 struct usbd_device *dev = uaa->uaa_device; 208 struct usbd_interface *iface; 209 usb_device_descriptor_t *ddesc; 210 usb_interface_descriptor_t *id; 211 usb_endpoint_descriptor_t *ed; 212 char *devinfop; 213 const char *devname = device_xname(self); 214 int i,idx; 215 usbd_status err; 216 struct ucom_attach_args ucaa; 217 218 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 219 220 aprint_naive("\n"); 221 aprint_normal("\n"); 222 223 devinfop = usbd_devinfo_alloc(dev, 0); 224 aprint_normal_dev(self, "%s\n", devinfop); 225 usbd_devinfo_free(devinfop); 226 227 /* Move the device into the configured state. */ 228 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); 229 if (err) { 230 aprint_error("\n%s: failed to set configuration, err=%s\n", 231 devname, usbd_errstr(err)); 232 goto bad; 233 } 234 235 sc->sc_dev = self; 236 sc->sc_udev = dev; 237 sc->sc_numports = 1; 238 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 239 sc->sc_hdrlen = 0; 240 if (uaa->uaa_vendor == USB_VENDOR_FTDI 241 && uaa->uaa_product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 242 sc->sc_type = UFTDI_TYPE_SIO; 243 sc->sc_hdrlen = 1; 244 } 245 246 ddesc = usbd_get_device_descriptor(dev); 247 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 248 switch (sc->sc_chiptype) { 249 case 0x500: /* 2232D */ 250 case 0x700: /* 2232H */ 251 sc->sc_numports = 2; 252 break; 253 case 0x800: /* 4232H */ 254 sc->sc_numports = 4; 255 break; 256 case 0x200: /* 232/245AM */ 257 case 0x400: /* 232/245BL */ 258 case 0x600: /* 232/245R */ 259 default: 260 break; 261 } 262 263 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { 264 err = usbd_device2interface_handle(dev, idx, &iface); 265 if (err) { 266 aprint_error( 267 "\n%s: failed to get interface idx=%d, err=%s\n", 268 devname, idx, usbd_errstr(err)); 269 goto bad; 270 } 271 272 id = usbd_get_interface_descriptor(iface); 273 274 sc->sc_iface[idx] = iface; 275 276 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 277 ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0; 278 for (i = 0; i < id->bNumEndpoints; i++) { 279 int addr, dir, attr; 280 ed = usbd_interface2endpoint_descriptor(iface, i); 281 if (ed == NULL) { 282 aprint_error_dev(self, 283 "could not read endpoint descriptor: %s\n", 284 usbd_errstr(err)); 285 goto bad; 286 } 287 288 addr = ed->bEndpointAddress; 289 dir = UE_GET_DIR(ed->bEndpointAddress); 290 attr = ed->bmAttributes & UE_XFERTYPE; 291 if (dir == UE_DIR_IN && attr == UE_BULK) { 292 ucaa.ucaa_bulkin = addr; 293 ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize); 294 if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE) 295 ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE; 296 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 297 ucaa.ucaa_bulkout = addr; 298 ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize) 299 - sc->sc_hdrlen; 300 if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE) 301 ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE; 302 /* Limit length if we have a 6-bit header. */ 303 if ((sc->sc_hdrlen > 0) && 304 (ucaa.ucaa_obufsize > UFTDIOBUFSIZE)) 305 ucaa.ucaa_obufsize = UFTDIOBUFSIZE; 306 } else { 307 aprint_error_dev(self, 308 "unexpected endpoint\n"); 309 goto bad; 310 } 311 } 312 if (ucaa.ucaa_bulkin == -1) { 313 aprint_error_dev(self, 314 "Could not find data bulk in\n"); 315 goto bad; 316 } 317 if (ucaa.ucaa_bulkout == -1) { 318 aprint_error_dev(self, 319 "Could not find data bulk out\n"); 320 goto bad; 321 } 322 323 ucaa.ucaa_portno = FTDI_PIT_SIOA + idx; 324 /* ucaa_bulkin, ucaa_bulkout set above */ 325 if (ucaa.ucaa_ibufsize == 0) 326 ucaa.ucaa_ibufsize = UFTDIIBUFSIZE; 327 ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize; 328 if (ucaa.ucaa_obufsize == 0) 329 ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 330 ucaa.ucaa_opkthdrlen = sc->sc_hdrlen; 331 ucaa.ucaa_device = dev; 332 ucaa.ucaa_iface = iface; 333 ucaa.ucaa_methods = &uftdi_methods; 334 ucaa.ucaa_arg = sc; 335 ucaa.ucaa_info = NULL; 336 337 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 338 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, 339 ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize)); 340 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL, 341 &ucaa, ucomprint, ucomsubmatch); 342 } 343 344 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 345 346 if (!pmf_device_register(self, NULL, NULL)) 347 aprint_error_dev(self, "couldn't establish power handler\n"); 348 349 return; 350 351 bad: 352 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 353 sc->sc_dying = 1; 354 return; 355 } 356 357 int 358 uftdi_activate(device_t self, enum devact act) 359 { 360 struct uftdi_softc *sc = device_private(self); 361 362 switch (act) { 363 case DVACT_DEACTIVATE: 364 sc->sc_dying = 1; 365 return 0; 366 default: 367 return EOPNOTSUPP; 368 } 369 } 370 371 void 372 uftdi_childdet(device_t self, device_t child) 373 { 374 int i; 375 struct uftdi_softc *sc = device_private(self); 376 377 for (i = 0; i < sc->sc_numports; i++) { 378 if (sc->sc_subdev[i] == child) 379 break; 380 } 381 KASSERT(i < sc->sc_numports); 382 sc->sc_subdev[i] = NULL; 383 } 384 385 int 386 uftdi_detach(device_t self, int flags) 387 { 388 struct uftdi_softc *sc = device_private(self); 389 int i; 390 391 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 392 sc->sc_dying = 1; 393 for (i=0; i < sc->sc_numports; i++) { 394 if (sc->sc_subdev[i] != NULL) 395 config_detach(sc->sc_subdev[i], flags); 396 } 397 398 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 399 400 return 0; 401 } 402 403 Static int 404 uftdi_open(void *vsc, int portno) 405 { 406 struct uftdi_softc *sc = vsc; 407 usb_device_request_t req; 408 usbd_status err; 409 struct termios t; 410 411 DPRINTF(("uftdi_open: sc=%p\n", sc)); 412 413 if (sc->sc_dying) 414 return EIO; 415 416 /* Perform a full reset on the device */ 417 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 418 req.bRequest = FTDI_SIO_RESET; 419 USETW(req.wValue, FTDI_SIO_RESET_SIO); 420 USETW(req.wIndex, portno); 421 USETW(req.wLength, 0); 422 err = usbd_do_request(sc->sc_udev, &req, NULL); 423 if (err) 424 return EIO; 425 426 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 427 t.c_ospeed = 9600; 428 t.c_cflag = CSTOPB | CS8; 429 (void)uftdi_param(sc, portno, &t); 430 431 /* Turn on RTS/CTS flow control */ 432 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 433 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 434 USETW(req.wValue, 0); 435 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 436 USETW(req.wLength, 0); 437 err = usbd_do_request(sc->sc_udev, &req, NULL); 438 if (err) 439 return EIO; 440 441 return 0; 442 } 443 444 Static void 445 uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) 446 { 447 struct uftdi_softc *sc = vsc; 448 u_char msr, lsr; 449 450 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 451 *count)); 452 453 msr = FTDI_GET_MSR(*ptr); 454 lsr = FTDI_GET_LSR(*ptr); 455 456 #ifdef UFTDI_DEBUG 457 if (*count != 2) 458 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 459 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 460 #endif 461 462 if (sc->sc_msr != msr || 463 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 464 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 465 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 466 lsr, sc->sc_lsr)); 467 sc->sc_msr = msr; 468 sc->sc_lsr = lsr; 469 ucom_status_change(device_private(sc->sc_subdev[portno-1])); 470 } 471 472 /* Adjust buffer pointer to skip status prefix */ 473 *ptr += 2; 474 } 475 476 Static void 477 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) 478 { 479 struct uftdi_softc *sc = vsc; 480 481 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 482 vsc, portno, *count, from[0])); 483 484 /* Make length tag and copy data */ 485 if (sc->sc_hdrlen > 0) 486 *to = FTDI_OUT_TAG(*count, portno); 487 488 memcpy(to + sc->sc_hdrlen, from, *count); 489 *count += sc->sc_hdrlen; 490 } 491 492 Static void 493 uftdi_set(void *vsc, int portno, int reg, int onoff) 494 { 495 struct uftdi_softc *sc = vsc; 496 usb_device_request_t req; 497 int ctl; 498 499 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 500 reg, onoff)); 501 502 switch (reg) { 503 case UCOM_SET_DTR: 504 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 505 break; 506 case UCOM_SET_RTS: 507 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 508 break; 509 case UCOM_SET_BREAK: 510 uftdi_break(sc, portno, onoff); 511 return; 512 default: 513 return; 514 } 515 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 516 req.bRequest = FTDI_SIO_MODEM_CTRL; 517 USETW(req.wValue, ctl); 518 USETW(req.wIndex, portno); 519 USETW(req.wLength, 0); 520 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 521 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 522 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 523 (void)usbd_do_request(sc->sc_udev, &req, NULL); 524 } 525 526 Static int 527 uftdi_param(void *vsc, int portno, struct termios *t) 528 { 529 struct uftdi_softc *sc = vsc; 530 usb_device_request_t req; 531 usbd_status err; 532 int rate, data, flow; 533 534 DPRINTF(("uftdi_param: sc=%p\n", sc)); 535 536 if (sc->sc_dying) 537 return EIO; 538 539 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 540 req.bRequest = FTDI_SIO_SET_BITMODE; 541 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 542 USETW(req.wIndex, portno); 543 USETW(req.wLength, 0); 544 err = usbd_do_request(sc->sc_udev, &req, NULL); 545 if (err) 546 return EIO; 547 548 switch (sc->sc_type) { 549 case UFTDI_TYPE_SIO: 550 switch (t->c_ospeed) { 551 case 300: rate = ftdi_sio_b300; break; 552 case 600: rate = ftdi_sio_b600; break; 553 case 1200: rate = ftdi_sio_b1200; break; 554 case 2400: rate = ftdi_sio_b2400; break; 555 case 4800: rate = ftdi_sio_b4800; break; 556 case 9600: rate = ftdi_sio_b9600; break; 557 case 19200: rate = ftdi_sio_b19200; break; 558 case 38400: rate = ftdi_sio_b38400; break; 559 case 57600: rate = ftdi_sio_b57600; break; 560 case 115200: rate = ftdi_sio_b115200; break; 561 default: 562 return EINVAL; 563 } 564 break; 565 566 case UFTDI_TYPE_8U232AM: 567 switch(t->c_ospeed) { 568 case 300: rate = ftdi_8u232am_b300; break; 569 case 600: rate = ftdi_8u232am_b600; break; 570 case 1200: rate = ftdi_8u232am_b1200; break; 571 case 2400: rate = ftdi_8u232am_b2400; break; 572 case 4800: rate = ftdi_8u232am_b4800; break; 573 case 9600: rate = ftdi_8u232am_b9600; break; 574 case 19200: rate = ftdi_8u232am_b19200; break; 575 case 38400: rate = ftdi_8u232am_b38400; break; 576 case 57600: rate = ftdi_8u232am_b57600; break; 577 case 115200: rate = ftdi_8u232am_b115200; break; 578 case 230400: rate = ftdi_8u232am_b230400; break; 579 case 460800: rate = ftdi_8u232am_b460800; break; 580 case 921600: rate = ftdi_8u232am_b921600; break; 581 default: 582 return EINVAL; 583 } 584 break; 585 586 default: 587 return EINVAL; 588 } 589 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 590 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 591 USETW(req.wValue, rate); 592 USETW(req.wIndex, portno); 593 USETW(req.wLength, 0); 594 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 595 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 596 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 597 err = usbd_do_request(sc->sc_udev, &req, NULL); 598 if (err) 599 return EIO; 600 601 if (ISSET(t->c_cflag, CSTOPB)) 602 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 603 else 604 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 605 if (ISSET(t->c_cflag, PARENB)) { 606 if (ISSET(t->c_cflag, PARODD)) 607 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 608 else 609 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 610 } else 611 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 612 switch (ISSET(t->c_cflag, CSIZE)) { 613 case CS5: 614 data |= FTDI_SIO_SET_DATA_BITS(5); 615 break; 616 case CS6: 617 data |= FTDI_SIO_SET_DATA_BITS(6); 618 break; 619 case CS7: 620 data |= FTDI_SIO_SET_DATA_BITS(7); 621 break; 622 case CS8: 623 data |= FTDI_SIO_SET_DATA_BITS(8); 624 break; 625 } 626 sc->last_lcr = data; 627 628 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 629 req.bRequest = FTDI_SIO_SET_DATA; 630 USETW(req.wValue, data); 631 USETW(req.wIndex, portno); 632 USETW(req.wLength, 0); 633 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 634 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 635 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 636 err = usbd_do_request(sc->sc_udev, &req, NULL); 637 if (err) 638 return EIO; 639 640 if (ISSET(t->c_cflag, CRTSCTS)) { 641 flow = FTDI_SIO_RTS_CTS_HS; 642 USETW(req.wValue, 0); 643 } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { 644 flow = FTDI_SIO_XON_XOFF_HS; 645 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 646 } else { 647 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 648 USETW(req.wValue, 0); 649 } 650 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 651 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 652 USETW2(req.wIndex, flow, portno); 653 USETW(req.wLength, 0); 654 err = usbd_do_request(sc->sc_udev, &req, NULL); 655 if (err) 656 return EIO; 657 658 return 0; 659 } 660 661 void 662 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 663 { 664 struct uftdi_softc *sc = vsc; 665 666 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 667 sc->sc_msr, sc->sc_lsr)); 668 669 if (msr != NULL) 670 *msr = sc->sc_msr; 671 if (lsr != NULL) 672 *lsr = sc->sc_lsr; 673 } 674 675 void 676 uftdi_break(void *vsc, int portno, int onoff) 677 { 678 struct uftdi_softc *sc = vsc; 679 usb_device_request_t req; 680 int data; 681 682 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 683 onoff)); 684 685 if (onoff) { 686 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 687 } else { 688 data = sc->last_lcr; 689 } 690 691 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 692 req.bRequest = FTDI_SIO_SET_DATA; 693 USETW(req.wValue, data); 694 USETW(req.wIndex, portno); 695 USETW(req.wLength, 0); 696 (void)usbd_do_request(sc->sc_udev, &req, NULL); 697 } 698