1 /* $NetBSD: uftdi.c,v 1.67 2018/02/20 15:48:37 ws 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 1.67 2018/02/20 15:48:37 ws 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_NO 1 66 67 /* 68 * These are the default number of bytes transferred per frame if the 69 * endpoint doesn't tell us. The output buffer size is a hard limit 70 * for devices that use a 6-bit size encoding. 71 */ 72 #define UFTDIIBUFSIZE 64 73 #define UFTDIOBUFSIZE 64 74 75 /* 76 * Magic constants! Where do these come from? They're what Linux uses... 77 */ 78 #define UFTDI_MAX_IBUFSIZE 512 79 #define UFTDI_MAX_OBUFSIZE 256 80 81 struct uftdi_softc { 82 device_t sc_dev; /* base device */ 83 struct usbd_device * sc_udev; /* device */ 84 struct usbd_interface * sc_iface; /* interface */ 85 int sc_iface_no; 86 87 enum uftdi_type sc_type; 88 u_int sc_hdrlen; 89 u_int sc_chiptype; 90 91 u_char sc_msr; 92 u_char sc_lsr; 93 94 device_t sc_subdev; 95 96 u_char sc_dying; 97 98 u_int last_lcr; 99 100 }; 101 102 Static void uftdi_get_status(void *, int, u_char *, u_char *); 103 Static void uftdi_set(void *, int, int, int); 104 Static int uftdi_param(void *, int, struct termios *); 105 Static int uftdi_open(void *, int); 106 Static void uftdi_read(void *, int, u_char **, uint32_t *); 107 Static void uftdi_write(void *, int, u_char *, u_char *, 108 uint32_t *); 109 Static void uftdi_break(void *, int, int); 110 111 struct ucom_methods uftdi_methods = { 112 .ucom_get_status = uftdi_get_status, 113 .ucom_set = uftdi_set, 114 .ucom_param = uftdi_param, 115 .ucom_ioctl = NULL, 116 .ucom_open = uftdi_open, 117 .ucom_close = NULL, 118 .ucom_read = uftdi_read, 119 .ucom_write = uftdi_write, 120 }; 121 122 /* 123 * The devices default to UFTDI_TYPE_8U232AM. 124 * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead 125 */ 126 static const struct usb_devno uftdi_devs[] = { 127 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 128 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 129 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_230X }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232H }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232RL }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 154 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 155 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 156 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 157 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 158 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, 159 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_BEAGLEBONE }, 160 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, 161 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 162 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 163 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 164 { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 }, 165 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 166 { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_CT57A }, 167 { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_RTS03 }, 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 usbif_attach_arg *uiaa = aux; 192 193 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 194 uiaa->uiaa_vendor, uiaa->uiaa_product)); 195 196 if (uiaa->uiaa_configno != UFTDI_CONFIG_NO) 197 return UMATCH_NONE; 198 199 return uftdi_lookup(uiaa->uiaa_vendor, uiaa->uiaa_product) != NULL ? 200 UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE; 201 } 202 203 void 204 uftdi_attach(device_t parent, device_t self, void *aux) 205 { 206 struct uftdi_softc *sc = device_private(self); 207 struct usbif_attach_arg *uiaa = aux; 208 struct usbd_device *dev = uiaa->uiaa_device; 209 struct usbd_interface *iface = uiaa->uiaa_iface; 210 usb_device_descriptor_t *ddesc; 211 usb_interface_descriptor_t *id; 212 usb_endpoint_descriptor_t *ed; 213 char *devinfop; 214 int i; 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 sc->sc_dev = self; 227 sc->sc_udev = dev; 228 sc->sc_iface_no = uiaa->uiaa_ifaceno; 229 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 230 sc->sc_hdrlen = 0; 231 if (uiaa->uiaa_vendor == USB_VENDOR_FTDI 232 && uiaa->uiaa_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); 239 240 id = usbd_get_interface_descriptor(iface); 241 242 sc->sc_iface = iface; 243 244 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 245 ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0; 246 for (i = 0; i < id->bNumEndpoints; i++) { 247 int addr, dir, attr; 248 ed = usbd_interface2endpoint_descriptor(iface, i); 249 if (ed == NULL) { 250 aprint_error_dev(self, 251 "could not read endpoint descriptor\n"); 252 goto bad; 253 } 254 255 addr = ed->bEndpointAddress; 256 dir = UE_GET_DIR(ed->bEndpointAddress); 257 attr = ed->bmAttributes & UE_XFERTYPE; 258 if (dir == UE_DIR_IN && attr == UE_BULK) { 259 ucaa.ucaa_bulkin = addr; 260 ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize); 261 if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE) 262 ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE; 263 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 264 ucaa.ucaa_bulkout = addr; 265 ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize) 266 - sc->sc_hdrlen; 267 if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE) 268 ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE; 269 /* Limit length if we have a 6-bit header. */ 270 if ((sc->sc_hdrlen > 0) && 271 (ucaa.ucaa_obufsize > UFTDIOBUFSIZE)) 272 ucaa.ucaa_obufsize = UFTDIOBUFSIZE; 273 } else { 274 aprint_error_dev(self, "unexpected endpoint\n"); 275 goto bad; 276 } 277 } 278 if (ucaa.ucaa_bulkin == -1) { 279 aprint_error_dev(self, "Could not find data bulk in\n"); 280 goto bad; 281 } 282 if (ucaa.ucaa_bulkout == -1) { 283 aprint_error_dev(self, "Could not find data bulk out\n"); 284 goto bad; 285 } 286 287 ucaa.ucaa_portno = FTDI_PIT_SIOA + sc->sc_iface_no; 288 /* ucaa_bulkin, ucaa_bulkout set above */ 289 if (ucaa.ucaa_ibufsize == 0) 290 ucaa.ucaa_ibufsize = UFTDIIBUFSIZE; 291 ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize; 292 if (ucaa.ucaa_obufsize == 0) 293 ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 294 ucaa.ucaa_opkthdrlen = sc->sc_hdrlen; 295 ucaa.ucaa_device = dev; 296 ucaa.ucaa_iface = iface; 297 ucaa.ucaa_methods = &uftdi_methods; 298 ucaa.ucaa_arg = sc; 299 ucaa.ucaa_info = NULL; 300 301 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 302 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, 303 ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize)); 304 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, 305 &ucaa, ucomprint, ucomsubmatch); 306 307 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 308 309 if (!pmf_device_register(self, NULL, NULL)) 310 aprint_error_dev(self, "couldn't establish power handler\n"); 311 312 return; 313 314 bad: 315 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 316 sc->sc_dying = 1; 317 return; 318 } 319 320 int 321 uftdi_activate(device_t self, enum devact act) 322 { 323 struct uftdi_softc *sc = device_private(self); 324 325 switch (act) { 326 case DVACT_DEACTIVATE: 327 sc->sc_dying = 1; 328 return 0; 329 default: 330 return EOPNOTSUPP; 331 } 332 } 333 334 void 335 uftdi_childdet(device_t self, device_t child) 336 { 337 struct uftdi_softc *sc = device_private(self); 338 339 KASSERT(child == sc->sc_subdev); 340 sc->sc_subdev = NULL; 341 } 342 343 int 344 uftdi_detach(device_t self, int flags) 345 { 346 struct uftdi_softc *sc = device_private(self); 347 348 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 349 sc->sc_dying = 1; 350 if (sc->sc_subdev != NULL) 351 config_detach(sc->sc_subdev, flags); 352 353 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 354 355 return 0; 356 } 357 358 Static int 359 uftdi_open(void *vsc, int portno) 360 { 361 struct uftdi_softc *sc = vsc; 362 usb_device_request_t req; 363 usbd_status err; 364 struct termios t; 365 366 DPRINTF(("uftdi_open: sc=%p\n", sc)); 367 368 if (sc->sc_dying) 369 return EIO; 370 371 /* Perform a full reset on the device */ 372 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 373 req.bRequest = FTDI_SIO_RESET; 374 USETW(req.wValue, FTDI_SIO_RESET_SIO); 375 USETW(req.wIndex, portno); 376 USETW(req.wLength, 0); 377 err = usbd_do_request(sc->sc_udev, &req, NULL); 378 if (err) 379 return EIO; 380 381 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 382 t.c_ospeed = 9600; 383 t.c_cflag = CSTOPB | CS8; 384 (void)uftdi_param(sc, portno, &t); 385 386 /* Turn on RTS/CTS flow control */ 387 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 388 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 389 USETW(req.wValue, 0); 390 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 391 USETW(req.wLength, 0); 392 err = usbd_do_request(sc->sc_udev, &req, NULL); 393 if (err) 394 return EIO; 395 396 return 0; 397 } 398 399 Static void 400 uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) 401 { 402 struct uftdi_softc *sc = vsc; 403 u_char msr, lsr; 404 405 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 406 *count)); 407 408 msr = FTDI_GET_MSR(*ptr); 409 lsr = FTDI_GET_LSR(*ptr); 410 411 #ifdef UFTDI_DEBUG 412 if (*count != 2) 413 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 414 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 415 #endif 416 417 if (sc->sc_msr != msr || 418 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 419 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 420 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 421 lsr, sc->sc_lsr)); 422 sc->sc_msr = msr; 423 sc->sc_lsr = lsr; 424 ucom_status_change(device_private(sc->sc_subdev)); 425 } 426 427 /* Adjust buffer pointer to skip status prefix */ 428 *ptr += 2; 429 } 430 431 Static void 432 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) 433 { 434 struct uftdi_softc *sc = vsc; 435 436 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 437 vsc, portno, *count, from[0])); 438 439 /* Make length tag and copy data */ 440 if (sc->sc_hdrlen > 0) 441 *to = FTDI_OUT_TAG(*count, portno); 442 443 memcpy(to + sc->sc_hdrlen, from, *count); 444 *count += sc->sc_hdrlen; 445 } 446 447 Static void 448 uftdi_set(void *vsc, int portno, int reg, int onoff) 449 { 450 struct uftdi_softc *sc = vsc; 451 usb_device_request_t req; 452 int ctl; 453 454 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 455 reg, onoff)); 456 457 switch (reg) { 458 case UCOM_SET_DTR: 459 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 460 break; 461 case UCOM_SET_RTS: 462 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 463 break; 464 case UCOM_SET_BREAK: 465 uftdi_break(sc, portno, onoff); 466 return; 467 default: 468 return; 469 } 470 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 471 req.bRequest = FTDI_SIO_MODEM_CTRL; 472 USETW(req.wValue, ctl); 473 USETW(req.wIndex, portno); 474 USETW(req.wLength, 0); 475 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 476 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 477 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 478 (void)usbd_do_request(sc->sc_udev, &req, NULL); 479 } 480 481 Static int 482 uftdi_param(void *vsc, int portno, struct termios *t) 483 { 484 struct uftdi_softc *sc = vsc; 485 usb_device_request_t req; 486 usbd_status err; 487 int rate, data, flow; 488 489 DPRINTF(("uftdi_param: sc=%p\n", sc)); 490 491 if (sc->sc_dying) 492 return EIO; 493 494 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 495 req.bRequest = FTDI_SIO_SET_BITMODE; 496 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 497 USETW(req.wIndex, portno); 498 USETW(req.wLength, 0); 499 err = usbd_do_request(sc->sc_udev, &req, NULL); 500 if (err) 501 return EIO; 502 503 switch (sc->sc_type) { 504 case UFTDI_TYPE_SIO: 505 switch (t->c_ospeed) { 506 case 300: rate = ftdi_sio_b300; break; 507 case 600: rate = ftdi_sio_b600; break; 508 case 1200: rate = ftdi_sio_b1200; break; 509 case 2400: rate = ftdi_sio_b2400; break; 510 case 4800: rate = ftdi_sio_b4800; break; 511 case 9600: rate = ftdi_sio_b9600; break; 512 case 19200: rate = ftdi_sio_b19200; break; 513 case 38400: rate = ftdi_sio_b38400; break; 514 case 57600: rate = ftdi_sio_b57600; break; 515 case 115200: rate = ftdi_sio_b115200; break; 516 default: 517 return EINVAL; 518 } 519 break; 520 521 case UFTDI_TYPE_8U232AM: 522 switch(t->c_ospeed) { 523 case 300: rate = ftdi_8u232am_b300; break; 524 case 600: rate = ftdi_8u232am_b600; break; 525 case 1200: rate = ftdi_8u232am_b1200; break; 526 case 2400: rate = ftdi_8u232am_b2400; break; 527 case 4800: rate = ftdi_8u232am_b4800; break; 528 case 9600: rate = ftdi_8u232am_b9600; break; 529 case 19200: rate = ftdi_8u232am_b19200; break; 530 case 38400: rate = ftdi_8u232am_b38400; break; 531 case 57600: rate = ftdi_8u232am_b57600; break; 532 case 115200: rate = ftdi_8u232am_b115200; break; 533 case 230400: rate = ftdi_8u232am_b230400; break; 534 case 460800: rate = ftdi_8u232am_b460800; break; 535 case 921600: rate = ftdi_8u232am_b921600; break; 536 default: 537 return EINVAL; 538 } 539 break; 540 541 default: 542 return EINVAL; 543 } 544 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 545 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 546 USETW(req.wValue, rate); 547 USETW(req.wIndex, portno); 548 USETW(req.wLength, 0); 549 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 550 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 551 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 552 err = usbd_do_request(sc->sc_udev, &req, NULL); 553 if (err) 554 return EIO; 555 556 if (ISSET(t->c_cflag, CSTOPB)) 557 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 558 else 559 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 560 if (ISSET(t->c_cflag, PARENB)) { 561 if (ISSET(t->c_cflag, PARODD)) 562 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 563 else 564 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 565 } else 566 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 567 switch (ISSET(t->c_cflag, CSIZE)) { 568 case CS5: 569 data |= FTDI_SIO_SET_DATA_BITS(5); 570 break; 571 case CS6: 572 data |= FTDI_SIO_SET_DATA_BITS(6); 573 break; 574 case CS7: 575 data |= FTDI_SIO_SET_DATA_BITS(7); 576 break; 577 case CS8: 578 data |= FTDI_SIO_SET_DATA_BITS(8); 579 break; 580 } 581 sc->last_lcr = data; 582 583 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 584 req.bRequest = FTDI_SIO_SET_DATA; 585 USETW(req.wValue, data); 586 USETW(req.wIndex, portno); 587 USETW(req.wLength, 0); 588 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 589 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 590 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 591 err = usbd_do_request(sc->sc_udev, &req, NULL); 592 if (err) 593 return EIO; 594 595 if (ISSET(t->c_cflag, CRTSCTS)) { 596 flow = FTDI_SIO_RTS_CTS_HS; 597 USETW(req.wValue, 0); 598 } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { 599 flow = FTDI_SIO_XON_XOFF_HS; 600 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 601 } else { 602 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 603 USETW(req.wValue, 0); 604 } 605 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 606 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 607 USETW2(req.wIndex, flow, portno); 608 USETW(req.wLength, 0); 609 err = usbd_do_request(sc->sc_udev, &req, NULL); 610 if (err) 611 return EIO; 612 613 return 0; 614 } 615 616 void 617 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 618 { 619 struct uftdi_softc *sc = vsc; 620 621 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 622 sc->sc_msr, sc->sc_lsr)); 623 624 if (msr != NULL) 625 *msr = sc->sc_msr; 626 if (lsr != NULL) 627 *lsr = sc->sc_lsr; 628 } 629 630 void 631 uftdi_break(void *vsc, int portno, int onoff) 632 { 633 struct uftdi_softc *sc = vsc; 634 usb_device_request_t req; 635 int data; 636 637 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 638 onoff)); 639 640 if (onoff) { 641 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 642 } else { 643 data = sc->last_lcr; 644 } 645 646 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 647 req.bRequest = FTDI_SIO_SET_DATA; 648 USETW(req.wValue, data); 649 USETW(req.wIndex, portno); 650 USETW(req.wLength, 0); 651 (void)usbd_do_request(sc->sc_udev, &req, NULL); 652 } 653