uftdi.c revision 1.68
1 /* $NetBSD: uftdi.c,v 1.68 2019/05/04 08:04:13 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 1.68 2019/05/04 08:04:13 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 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 *, 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_close = NULL, 116 .ucom_read = uftdi_read, 117 .ucom_write = uftdi_write, 118 }; 119 120 /* 121 * The devices default to UFTDI_TYPE_8U232AM. 122 * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead 123 */ 124 static const struct usb_devno uftdi_devs[] = { 125 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, 126 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, 127 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, 128 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_230X }, 129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232H }, 130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232RL }, 131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, 132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, 133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, 134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, 135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, 136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, 137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, 138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, 139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, 140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, 141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, 142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, 143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, 144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, 145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, 146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, 147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, 148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, 149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, 150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, 151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, 152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, 153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, 154 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, 155 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, 156 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, 157 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_BEAGLEBONE }, 158 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, 159 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, 160 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, 161 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, 162 { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 }, 163 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, 164 { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_CT57A }, 165 { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_RTS03 }, 166 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, 167 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, 168 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, 169 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, 170 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, 171 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, 172 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, 173 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, 174 }; 175 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) 176 177 int uftdi_match(device_t, cfdata_t, void *); 178 void uftdi_attach(device_t, device_t, void *); 179 void uftdi_childdet(device_t, device_t); 180 int uftdi_detach(device_t, int); 181 int uftdi_activate(device_t, enum devact); 182 extern struct cfdriver uftdi_cd; 183 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, 184 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); 185 186 int 187 uftdi_match(device_t parent, cfdata_t match, void *aux) 188 { 189 struct usbif_attach_arg *uiaa = aux; 190 191 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", 192 uiaa->uiaa_vendor, uiaa->uiaa_product)); 193 194 if (uiaa->uiaa_configno != UFTDI_CONFIG_NO) 195 return UMATCH_NONE; 196 197 return uftdi_lookup(uiaa->uiaa_vendor, uiaa->uiaa_product) != NULL ? 198 UMATCH_VENDOR_PRODUCT_CONF_IFACE : 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 usbif_attach_arg *uiaa = aux; 206 struct usbd_device *dev = uiaa->uiaa_device; 207 struct usbd_interface *iface = uiaa->uiaa_iface; 208 usb_device_descriptor_t *ddesc; 209 usb_interface_descriptor_t *id; 210 usb_endpoint_descriptor_t *ed; 211 char *devinfop; 212 int i; 213 struct ucom_attach_args ucaa; 214 215 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); 216 217 aprint_naive("\n"); 218 aprint_normal("\n"); 219 220 devinfop = usbd_devinfo_alloc(dev, 0); 221 aprint_normal_dev(self, "%s\n", devinfop); 222 usbd_devinfo_free(devinfop); 223 224 sc->sc_dev = self; 225 sc->sc_udev = dev; 226 sc->sc_iface_no = uiaa->uiaa_ifaceno; 227 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ 228 sc->sc_hdrlen = 0; 229 if (uiaa->uiaa_vendor == USB_VENDOR_FTDI 230 && uiaa->uiaa_product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { 231 sc->sc_type = UFTDI_TYPE_SIO; 232 sc->sc_hdrlen = 1; 233 } 234 235 ddesc = usbd_get_device_descriptor(dev); 236 sc->sc_chiptype = UGETW(ddesc->bcdDevice); 237 238 id = usbd_get_interface_descriptor(iface); 239 240 sc->sc_iface = iface; 241 242 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; 243 ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0; 244 for (i = 0; i < id->bNumEndpoints; i++) { 245 int addr, dir, attr; 246 ed = usbd_interface2endpoint_descriptor(iface, i); 247 if (ed == NULL) { 248 aprint_error_dev(self, 249 "could not read endpoint descriptor\n"); 250 goto bad; 251 } 252 253 addr = ed->bEndpointAddress; 254 dir = UE_GET_DIR(ed->bEndpointAddress); 255 attr = ed->bmAttributes & UE_XFERTYPE; 256 if (dir == UE_DIR_IN && attr == UE_BULK) { 257 ucaa.ucaa_bulkin = addr; 258 ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize); 259 if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE) 260 ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE; 261 } else if (dir == UE_DIR_OUT && attr == UE_BULK) { 262 ucaa.ucaa_bulkout = addr; 263 ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize) 264 - sc->sc_hdrlen; 265 if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE) 266 ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE; 267 /* Limit length if we have a 6-bit header. */ 268 if ((sc->sc_hdrlen > 0) && 269 (ucaa.ucaa_obufsize > UFTDIOBUFSIZE)) 270 ucaa.ucaa_obufsize = UFTDIOBUFSIZE; 271 } else { 272 aprint_error_dev(self, "unexpected endpoint\n"); 273 goto bad; 274 } 275 } 276 if (ucaa.ucaa_bulkin == -1) { 277 aprint_error_dev(self, "Could not find data bulk in\n"); 278 goto bad; 279 } 280 if (ucaa.ucaa_bulkout == -1) { 281 aprint_error_dev(self, "Could not find data bulk out\n"); 282 goto bad; 283 } 284 285 ucaa.ucaa_portno = FTDI_PIT_SIOA + sc->sc_iface_no; 286 /* ucaa_bulkin, ucaa_bulkout set above */ 287 if (ucaa.ucaa_ibufsize == 0) 288 ucaa.ucaa_ibufsize = UFTDIIBUFSIZE; 289 ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize; 290 if (ucaa.ucaa_obufsize == 0) 291 ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; 292 ucaa.ucaa_opkthdrlen = sc->sc_hdrlen; 293 ucaa.ucaa_device = dev; 294 ucaa.ucaa_iface = iface; 295 ucaa.ucaa_methods = &uftdi_methods; 296 ucaa.ucaa_arg = sc; 297 ucaa.ucaa_info = NULL; 298 299 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", 300 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, 301 ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize)); 302 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, 303 &ucaa, ucomprint, ucomsubmatch); 304 305 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 306 307 if (!pmf_device_register(self, NULL, NULL)) 308 aprint_error_dev(self, "couldn't establish power handler\n"); 309 310 return; 311 312 bad: 313 DPRINTF(("uftdi_attach: ATTACH ERROR\n")); 314 sc->sc_dying = 1; 315 return; 316 } 317 318 int 319 uftdi_activate(device_t self, enum devact act) 320 { 321 struct uftdi_softc *sc = device_private(self); 322 323 switch (act) { 324 case DVACT_DEACTIVATE: 325 sc->sc_dying = 1; 326 return 0; 327 default: 328 return EOPNOTSUPP; 329 } 330 } 331 332 void 333 uftdi_childdet(device_t self, device_t child) 334 { 335 struct uftdi_softc *sc = device_private(self); 336 337 KASSERT(child == sc->sc_subdev); 338 sc->sc_subdev = NULL; 339 } 340 341 int 342 uftdi_detach(device_t self, int flags) 343 { 344 struct uftdi_softc *sc = device_private(self); 345 346 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); 347 sc->sc_dying = 1; 348 if (sc->sc_subdev != NULL) 349 config_detach(sc->sc_subdev, flags); 350 351 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 352 353 return 0; 354 } 355 356 Static int 357 uftdi_open(void *vsc, int portno) 358 { 359 struct uftdi_softc *sc = vsc; 360 usb_device_request_t req; 361 usbd_status err; 362 struct termios t; 363 364 DPRINTF(("uftdi_open: sc=%p\n", sc)); 365 366 if (sc->sc_dying) 367 return EIO; 368 369 /* Perform a full reset on the device */ 370 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 371 req.bRequest = FTDI_SIO_RESET; 372 USETW(req.wValue, FTDI_SIO_RESET_SIO); 373 USETW(req.wIndex, portno); 374 USETW(req.wLength, 0); 375 err = usbd_do_request(sc->sc_udev, &req, NULL); 376 if (err) 377 return EIO; 378 379 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ 380 t.c_ospeed = 9600; 381 t.c_cflag = CSTOPB | CS8; 382 (void)uftdi_param(sc, portno, &t); 383 384 /* Turn on RTS/CTS flow control */ 385 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 386 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 387 USETW(req.wValue, 0); 388 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); 389 USETW(req.wLength, 0); 390 err = usbd_do_request(sc->sc_udev, &req, NULL); 391 if (err) 392 return EIO; 393 394 return 0; 395 } 396 397 Static void 398 uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) 399 { 400 struct uftdi_softc *sc = vsc; 401 u_char msr, lsr; 402 403 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, 404 *count)); 405 406 msr = FTDI_GET_MSR(*ptr); 407 lsr = FTDI_GET_LSR(*ptr); 408 409 #ifdef UFTDI_DEBUG 410 if (*count != 2) 411 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" 412 "0x%02x\n", sc, portno, *count, (*ptr)[2])); 413 #endif 414 415 if (sc->sc_msr != msr || 416 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { 417 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " 418 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, 419 lsr, sc->sc_lsr)); 420 sc->sc_msr = msr; 421 sc->sc_lsr = lsr; 422 ucom_status_change(device_private(sc->sc_subdev)); 423 } 424 425 /* Adjust buffer pointer to skip status prefix */ 426 *ptr += 2; 427 } 428 429 Static void 430 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) 431 { 432 struct uftdi_softc *sc = vsc; 433 434 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", 435 vsc, portno, *count, from[0])); 436 437 /* Make length tag and copy data */ 438 if (sc->sc_hdrlen > 0) 439 *to = FTDI_OUT_TAG(*count, portno); 440 441 memcpy(to + sc->sc_hdrlen, from, *count); 442 *count += sc->sc_hdrlen; 443 } 444 445 Static void 446 uftdi_set(void *vsc, int portno, int reg, int onoff) 447 { 448 struct uftdi_softc *sc = vsc; 449 usb_device_request_t req; 450 int ctl; 451 452 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, 453 reg, onoff)); 454 455 switch (reg) { 456 case UCOM_SET_DTR: 457 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; 458 break; 459 case UCOM_SET_RTS: 460 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; 461 break; 462 case UCOM_SET_BREAK: 463 uftdi_break(sc, portno, onoff); 464 return; 465 default: 466 return; 467 } 468 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 469 req.bRequest = FTDI_SIO_MODEM_CTRL; 470 USETW(req.wValue, ctl); 471 USETW(req.wIndex, portno); 472 USETW(req.wLength, 0); 473 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " 474 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 475 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 476 (void)usbd_do_request(sc->sc_udev, &req, NULL); 477 } 478 479 Static int 480 uftdi_param(void *vsc, int portno, struct termios *t) 481 { 482 struct uftdi_softc *sc = vsc; 483 usb_device_request_t req; 484 usbd_status err; 485 int rate, data, flow; 486 487 DPRINTF(("uftdi_param: sc=%p\n", sc)); 488 489 if (sc->sc_dying) 490 return EIO; 491 492 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 493 req.bRequest = FTDI_SIO_SET_BITMODE; 494 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); 495 USETW(req.wIndex, portno); 496 USETW(req.wLength, 0); 497 err = usbd_do_request(sc->sc_udev, &req, NULL); 498 if (err) 499 return EIO; 500 501 switch (sc->sc_type) { 502 case UFTDI_TYPE_SIO: 503 switch (t->c_ospeed) { 504 case 300: rate = ftdi_sio_b300; break; 505 case 600: rate = ftdi_sio_b600; break; 506 case 1200: rate = ftdi_sio_b1200; break; 507 case 2400: rate = ftdi_sio_b2400; break; 508 case 4800: rate = ftdi_sio_b4800; break; 509 case 9600: rate = ftdi_sio_b9600; break; 510 case 19200: rate = ftdi_sio_b19200; break; 511 case 38400: rate = ftdi_sio_b38400; break; 512 case 57600: rate = ftdi_sio_b57600; break; 513 case 115200: rate = ftdi_sio_b115200; break; 514 default: 515 return EINVAL; 516 } 517 break; 518 519 case UFTDI_TYPE_8U232AM: 520 switch(t->c_ospeed) { 521 case 300: rate = ftdi_8u232am_b300; break; 522 case 600: rate = ftdi_8u232am_b600; break; 523 case 1200: rate = ftdi_8u232am_b1200; break; 524 case 2400: rate = ftdi_8u232am_b2400; break; 525 case 4800: rate = ftdi_8u232am_b4800; break; 526 case 9600: rate = ftdi_8u232am_b9600; break; 527 case 19200: rate = ftdi_8u232am_b19200; break; 528 case 38400: rate = ftdi_8u232am_b38400; break; 529 case 57600: rate = ftdi_8u232am_b57600; break; 530 case 115200: rate = ftdi_8u232am_b115200; break; 531 case 230400: rate = ftdi_8u232am_b230400; break; 532 case 460800: rate = ftdi_8u232am_b460800; break; 533 case 921600: rate = ftdi_8u232am_b921600; break; 534 default: 535 return EINVAL; 536 } 537 break; 538 539 default: 540 return EINVAL; 541 } 542 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 543 req.bRequest = FTDI_SIO_SET_BAUD_RATE; 544 USETW(req.wValue, rate); 545 USETW(req.wIndex, portno); 546 USETW(req.wLength, 0); 547 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 548 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 549 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 550 err = usbd_do_request(sc->sc_udev, &req, NULL); 551 if (err) 552 return EIO; 553 554 if (ISSET(t->c_cflag, CSTOPB)) 555 data = FTDI_SIO_SET_DATA_STOP_BITS_2; 556 else 557 data = FTDI_SIO_SET_DATA_STOP_BITS_1; 558 if (ISSET(t->c_cflag, PARENB)) { 559 if (ISSET(t->c_cflag, PARODD)) 560 data |= FTDI_SIO_SET_DATA_PARITY_ODD; 561 else 562 data |= FTDI_SIO_SET_DATA_PARITY_EVEN; 563 } else 564 data |= FTDI_SIO_SET_DATA_PARITY_NONE; 565 switch (ISSET(t->c_cflag, CSIZE)) { 566 case CS5: 567 data |= FTDI_SIO_SET_DATA_BITS(5); 568 break; 569 case CS6: 570 data |= FTDI_SIO_SET_DATA_BITS(6); 571 break; 572 case CS7: 573 data |= FTDI_SIO_SET_DATA_BITS(7); 574 break; 575 case CS8: 576 data |= FTDI_SIO_SET_DATA_BITS(8); 577 break; 578 } 579 sc->last_lcr = data; 580 581 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 582 req.bRequest = FTDI_SIO_SET_DATA; 583 USETW(req.wValue, data); 584 USETW(req.wIndex, portno); 585 USETW(req.wLength, 0); 586 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " 587 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, 588 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); 589 err = usbd_do_request(sc->sc_udev, &req, NULL); 590 if (err) 591 return EIO; 592 593 if (ISSET(t->c_cflag, CRTSCTS)) { 594 flow = FTDI_SIO_RTS_CTS_HS; 595 USETW(req.wValue, 0); 596 } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { 597 flow = FTDI_SIO_XON_XOFF_HS; 598 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); 599 } else { 600 flow = FTDI_SIO_DISABLE_FLOW_CTRL; 601 USETW(req.wValue, 0); 602 } 603 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 604 req.bRequest = FTDI_SIO_SET_FLOW_CTRL; 605 USETW2(req.wIndex, flow, portno); 606 USETW(req.wLength, 0); 607 err = usbd_do_request(sc->sc_udev, &req, NULL); 608 if (err) 609 return EIO; 610 611 return 0; 612 } 613 614 void 615 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 616 { 617 struct uftdi_softc *sc = vsc; 618 619 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", 620 sc->sc_msr, sc->sc_lsr)); 621 622 *msr = sc->sc_msr; 623 *lsr = sc->sc_lsr; 624 } 625 626 void 627 uftdi_break(void *vsc, int portno, int onoff) 628 { 629 struct uftdi_softc *sc = vsc; 630 usb_device_request_t req; 631 int data; 632 633 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, 634 onoff)); 635 636 if (onoff) { 637 data = sc->last_lcr | FTDI_SIO_SET_BREAK; 638 } else { 639 data = sc->last_lcr; 640 } 641 642 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 643 req.bRequest = FTDI_SIO_SET_DATA; 644 USETW(req.wValue, data); 645 USETW(req.wIndex, portno); 646 USETW(req.wLength, 0); 647 (void)usbd_do_request(sc->sc_udev, &req, NULL); 648 } 649
Indexes created Mon Sep 29 21:09:56 GMT 2025