uftdi.c revision 1.70
1 /* $NetBSD: uftdi.c,v 1.70 2019/05/09 02:43:35 mrg 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 1.70 2019/05/09 02:43:35 mrg 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 bool 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 *, uint32_t *); 108 static void uftdi_break(void *, int, int); 109 110 struct ucom_methods uftdi_methods = { 111 .ucom_get_status = uftdi_get_status, 112 .ucom_set = uftdi_set, 113 .ucom_param = uftdi_param, 114 .ucom_open = uftdi_open, 115 .ucom_read = uftdi_read, 116 .ucom_write = uftdi_write, 117 }; 118 119 /* 120 * The devices default to UFTDI_TYPE_8U232AM. 121 * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead 122 */ 123 static const struct usb_devno uftdi_devs[] = { 124 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 125 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 126 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 127 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_230X }, 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_BEAGLEBONE }, 157 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, 158 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 159 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 160 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 161 { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 }, 162 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 163 { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_CT57A }, 164 { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_RTS03 }, 165 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 166 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 167 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 168 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 169 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 170 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 171 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 172 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 173 }; 174 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 175 176 static int uftdi_match(device_t, cfdata_t, void *); 177 static void uftdi_attach(device_t, device_t, void *); 178 static void uftdi_childdet(device_t, device_t); 179 static int uftdi_detach(device_t, int); 180 181 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 182 uftdi_attach, uftdi_detach, NULL, NULL, uftdi_childdet); 183 184 static int 185 uftdi_match(device_t parent, cfdata_t match, void *aux) 186 { 187 struct usbif_attach_arg *uiaa = aux; 188 189 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 190 uiaa->uiaa_vendor, uiaa->uiaa_product)); 191 192 if (uiaa->uiaa_configno != UFTDI_CONFIG_NO) 193 return UMATCH_NONE; 194 195 return uftdi_lookup(uiaa->uiaa_vendor, uiaa->uiaa_product) != NULL ? 196 UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE; 197 } 198 199 static void 200 uftdi_attach(device_t parent, device_t self, void *aux) 201 { 202 struct uftdi_softc *sc = device_private(self); 203 struct usbif_attach_arg *uiaa = aux; 204 struct usbd_device *dev = uiaa->uiaa_device; 205 struct usbd_interface *iface = uiaa->uiaa_iface; 206 usb_device_descriptor_t *ddesc; 207 usb_interface_descriptor_t *id; 208 usb_endpoint_descriptor_t *ed; 209 char *devinfop; 210 int i; 211 struct ucom_attach_args ucaa; 212 213 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 214 215 aprint_naive("\n"); 216 aprint_normal("\n"); 217 218 devinfop = usbd_devinfo_alloc(dev, 0); 219 aprint_normal_dev(self, "%s\n", devinfop); 220 usbd_devinfo_free(devinfop); 221 222 sc->sc_dev = self; 223 sc->sc_udev = dev; 224 sc->sc_dying = false; 225 sc->sc_iface_no = uiaa->uiaa_ifaceno; 226 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 227 sc->sc_hdrlen = 0; 228 if (uiaa->uiaa_vendor == USB_VENDOR_FTDI 229 && uiaa->uiaa_product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 230 sc->sc_type = UFTDI_TYPE_SIO; 231 sc->sc_hdrlen = 1; 232 } 233 234 ddesc = usbd_get_device_descriptor(dev); 235 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 236 237 id = usbd_get_interface_descriptor(iface); 238 239 sc->sc_iface = iface; 240 241 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 242 ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0; 243 for (i = 0; i < id->bNumEndpoints; i++) { 244 int addr, dir, attr; 245 ed = usbd_interface2endpoint_descriptor(iface, i); 246 if (ed == NULL) { 247 aprint_error_dev(self, 248 "could not read endpoint descriptor\n"); 249 goto bad; 250 } 251 252 addr = ed->bEndpointAddress; 253 dir = UE_GET_DIR(ed->bEndpointAddress); 254 attr = ed->bmAttributes & UE_XFERTYPE; 255 if (dir == UE_DIR_IN && attr == UE_BULK) { 256 ucaa.ucaa_bulkin = addr; 257 ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize); 258 if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE) 259 ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE; 260 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 261 ucaa.ucaa_bulkout = addr; 262 ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize) 263 - sc->sc_hdrlen; 264 if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE) 265 ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE; 266 /* Limit length if we have a 6-bit header. */ 267 if ((sc->sc_hdrlen > 0) && 268 (ucaa.ucaa_obufsize > UFTDIOBUFSIZE)) 269 ucaa.ucaa_obufsize = UFTDIOBUFSIZE; 270 } else { 271 aprint_error_dev(self, "unexpected endpoint\n"); 272 goto bad; 273 } 274 } 275 if (ucaa.ucaa_bulkin == -1) { 276 aprint_error_dev(self, "Could not find data bulk in\n"); 277 goto bad; 278 } 279 if (ucaa.ucaa_bulkout == -1) { 280 aprint_error_dev(self, "Could not find data bulk out\n"); 281 goto bad; 282 } 283 284 ucaa.ucaa_portno = FTDI_PIT_SIOA + sc->sc_iface_no; 285 /* ucaa_bulkin, ucaa_bulkout set above */ 286 if (ucaa.ucaa_ibufsize == 0) 287 ucaa.ucaa_ibufsize = UFTDIIBUFSIZE; 288 ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize; 289 if (ucaa.ucaa_obufsize == 0) 290 ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 291 ucaa.ucaa_opkthdrlen = sc->sc_hdrlen; 292 ucaa.ucaa_device = dev; 293 ucaa.ucaa_iface = iface; 294 ucaa.ucaa_methods = &uftdi_methods; 295 ucaa.ucaa_arg = sc; 296 ucaa.ucaa_info = NULL; 297 298 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 299 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, 300 ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize)); 301 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, 302 &ucaa, ucomprint, ucomsubmatch); 303 304 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 305 306 if (!pmf_device_register(self, NULL, NULL)) 307 aprint_error_dev(self, "couldn't establish power handler\n"); 308 309 return; 310 311 bad: 312 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 313 sc->sc_dying = true; 314 return; 315 } 316 317 static void 318 uftdi_childdet(device_t self, device_t child) 319 { 320 struct uftdi_softc *sc = device_private(self); 321 322 KASSERT(child == sc->sc_subdev); 323 sc->sc_subdev = NULL; 324 } 325 326 static int 327 uftdi_detach(device_t self, int flags) 328 { 329 struct uftdi_softc *sc = device_private(self); 330 int rv = 0; 331 332 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 333 334 sc->sc_dying = true; 335 336 if (sc->sc_subdev != NULL) { 337 rv = config_detach(sc->sc_subdev, flags); 338 sc->sc_subdev = NULL; 339 } 340 341 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 342 343 return rv; 344 } 345 346 static int 347 uftdi_open(void *vsc, int portno) 348 { 349 struct uftdi_softc *sc = vsc; 350 usb_device_request_t req; 351 usbd_status err; 352 struct termios t; 353 354 DPRINTF(("uftdi_open: sc=%p\n", sc)); 355 356 if (sc->sc_dying) 357 return EIO; 358 359 /* Perform a full reset on the device */ 360 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 361 req.bRequest = FTDI_SIO_RESET; 362 USETW(req.wValue, FTDI_SIO_RESET_SIO); 363 USETW(req.wIndex, portno); 364 USETW(req.wLength, 0); 365 err = usbd_do_request(sc->sc_udev, &req, NULL); 366 if (err) 367 return EIO; 368 369 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 370 t.c_ospeed = 9600; 371 t.c_cflag = CSTOPB | CS8; 372 (void)uftdi_param(sc, portno, &t); 373 374 /* Turn on RTS/CTS flow control */ 375 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 376 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 377 USETW(req.wValue, 0); 378 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 379 USETW(req.wLength, 0); 380 err = usbd_do_request(sc->sc_udev, &req, NULL); 381 if (err) 382 return EIO; 383 384 return 0; 385 } 386 387 static void 388 uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) 389 { 390 struct uftdi_softc *sc = vsc; 391 u_char msr, lsr; 392 393 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 394 *count)); 395 396 msr = FTDI_GET_MSR(*ptr); 397 lsr = FTDI_GET_LSR(*ptr); 398 399 #ifdef UFTDI_DEBUG 400 if (*count != 2) 401 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 402 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 403 #endif 404 405 if (sc->sc_msr != msr || 406 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 407 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 408 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 409 lsr, sc->sc_lsr)); 410 sc->sc_msr = msr; 411 sc->sc_lsr = lsr; 412 ucom_status_change(device_private(sc->sc_subdev)); 413 } 414 415 /* Adjust buffer pointer to skip status prefix */ 416 *ptr += 2; 417 } 418 419 static void 420 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) 421 { 422 struct uftdi_softc *sc = vsc; 423 424 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 425 vsc, portno, *count, from[0])); 426 427 /* Make length tag and copy data */ 428 if (sc->sc_hdrlen > 0) 429 *to = FTDI_OUT_TAG(*count, portno); 430 431 memcpy(to + sc->sc_hdrlen, from, *count); 432 *count += sc->sc_hdrlen; 433 } 434 435 static void 436 uftdi_set(void *vsc, int portno, int reg, int onoff) 437 { 438 struct uftdi_softc *sc = vsc; 439 usb_device_request_t req; 440 int ctl; 441 442 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 443 reg, onoff)); 444 445 if (sc->sc_dying) 446 return; 447 448 switch (reg) { 449 case UCOM_SET_DTR: 450 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 451 break; 452 case UCOM_SET_RTS: 453 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 454 break; 455 case UCOM_SET_BREAK: 456 uftdi_break(sc, portno, onoff); 457 return; 458 default: 459 return; 460 } 461 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 462 req.bRequest = FTDI_SIO_MODEM_CTRL; 463 USETW(req.wValue, ctl); 464 USETW(req.wIndex, portno); 465 USETW(req.wLength, 0); 466 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 467 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 468 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 469 (void)usbd_do_request(sc->sc_udev, &req, NULL); 470 } 471 472 static int 473 uftdi_param(void *vsc, int portno, struct termios *t) 474 { 475 struct uftdi_softc *sc = vsc; 476 usb_device_request_t req; 477 usbd_status err; 478 int rate, data, flow; 479 480 DPRINTF(("uftdi_param: sc=%p\n", sc)); 481 482 if (sc->sc_dying) 483 return EIO; 484 485 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 486 req.bRequest = FTDI_SIO_SET_BITMODE; 487 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 488 USETW(req.wIndex, portno); 489 USETW(req.wLength, 0); 490 err = usbd_do_request(sc->sc_udev, &req, NULL); 491 if (err) 492 return EIO; 493 494 switch (sc->sc_type) { 495 case UFTDI_TYPE_SIO: 496 switch (t->c_ospeed) { 497 case 300: rate = ftdi_sio_b300; break; 498 case 600: rate = ftdi_sio_b600; break; 499 case 1200: rate = ftdi_sio_b1200; break; 500 case 2400: rate = ftdi_sio_b2400; break; 501 case 4800: rate = ftdi_sio_b4800; break; 502 case 9600: rate = ftdi_sio_b9600; break; 503 case 19200: rate = ftdi_sio_b19200; break; 504 case 38400: rate = ftdi_sio_b38400; break; 505 case 57600: rate = ftdi_sio_b57600; break; 506 case 115200: rate = ftdi_sio_b115200; break; 507 default: 508 return EINVAL; 509 } 510 break; 511 512 case UFTDI_TYPE_8U232AM: 513 switch(t->c_ospeed) { 514 case 300: rate = ftdi_8u232am_b300; break; 515 case 600: rate = ftdi_8u232am_b600; break; 516 case 1200: rate = ftdi_8u232am_b1200; break; 517 case 2400: rate = ftdi_8u232am_b2400; break; 518 case 4800: rate = ftdi_8u232am_b4800; break; 519 case 9600: rate = ftdi_8u232am_b9600; break; 520 case 19200: rate = ftdi_8u232am_b19200; break; 521 case 38400: rate = ftdi_8u232am_b38400; break; 522 case 57600: rate = ftdi_8u232am_b57600; break; 523 case 115200: rate = ftdi_8u232am_b115200; break; 524 case 230400: rate = ftdi_8u232am_b230400; break; 525 case 460800: rate = ftdi_8u232am_b460800; break; 526 case 921600: rate = ftdi_8u232am_b921600; break; 527 default: 528 return EINVAL; 529 } 530 break; 531 532 default: 533 return EINVAL; 534 } 535 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 536 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 537 USETW(req.wValue, rate); 538 USETW(req.wIndex, portno); 539 USETW(req.wLength, 0); 540 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 541 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 542 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 543 err = usbd_do_request(sc->sc_udev, &req, NULL); 544 if (err) 545 return EIO; 546 547 if (ISSET(t->c_cflag, CSTOPB)) 548 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 549 else 550 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 551 if (ISSET(t->c_cflag, PARENB)) { 552 if (ISSET(t->c_cflag, PARODD)) 553 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 554 else 555 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 556 } else 557 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 558 switch (ISSET(t->c_cflag, CSIZE)) { 559 case CS5: 560 data |= FTDI_SIO_SET_DATA_BITS(5); 561 break; 562 case CS6: 563 data |= FTDI_SIO_SET_DATA_BITS(6); 564 break; 565 case CS7: 566 data |= FTDI_SIO_SET_DATA_BITS(7); 567 break; 568 case CS8: 569 data |= FTDI_SIO_SET_DATA_BITS(8); 570 break; 571 } 572 sc->last_lcr = data; 573 574 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 575 req.bRequest = FTDI_SIO_SET_DATA; 576 USETW(req.wValue, data); 577 USETW(req.wIndex, portno); 578 USETW(req.wLength, 0); 579 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 580 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 581 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 582 err = usbd_do_request(sc->sc_udev, &req, NULL); 583 if (err) 584 return EIO; 585 586 if (ISSET(t->c_cflag, CRTSCTS)) { 587 flow = FTDI_SIO_RTS_CTS_HS; 588 USETW(req.wValue, 0); 589 } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { 590 flow = FTDI_SIO_XON_XOFF_HS; 591 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 592 } else { 593 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 594 USETW(req.wValue, 0); 595 } 596 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 597 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 598 USETW2(req.wIndex, flow, portno); 599 USETW(req.wLength, 0); 600 err = usbd_do_request(sc->sc_udev, &req, NULL); 601 if (err) 602 return EIO; 603 604 return 0; 605 } 606 607 static void 608 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 609 { 610 struct uftdi_softc *sc = vsc; 611 612 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 613 sc->sc_msr, sc->sc_lsr)); 614 615 if (sc->sc_dying) 616 return; 617 618 *msr = sc->sc_msr; 619 *lsr = sc->sc_lsr; 620 } 621 622 static void 623 uftdi_break(void *vsc, int portno, int onoff) 624 { 625 struct uftdi_softc *sc = vsc; 626 usb_device_request_t req; 627 int data; 628 629 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 630 onoff)); 631 632 if (onoff) { 633 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 634 } else { 635 data = sc->last_lcr; 636 } 637 638 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 639 req.bRequest = FTDI_SIO_SET_DATA; 640 USETW(req.wValue, data); 641 USETW(req.wIndex, portno); 642 USETW(req.wLength, 0); 643 (void)usbd_do_request(sc->sc_udev, &req, NULL); 644 } 645
Indexes created Tue Sep 30 17:09:57 GMT 2025