File:  [DragonFly] / src / sys / dev / usbmisc / uftdi / uftdi.c
Revision 1.6: download - view: text, annotated - select for diffs
Wed Feb 11 15:13:05 2004 UTC (10 years, 9 months ago) by joerg
Branches: MAIN
CVS tags: HEAD
Add defined(__FreeBSD__) and defined(__DragonFly__) where appropiriate.

    1: /*
    2:  * $NetBSD: uftdi.c,v 1.13 2002/09/23 05:51:23 simonb Exp $
    3:  * $FreeBSD: src/sys/dev/usb/uftdi.c,v 1.10 2003/08/24 17:55:55 obrien Exp $
    4:  * $DragonFly: src/sys/dev/usbmisc/uftdi/uftdi.c,v 1.6 2004/02/11 15:13:05 joerg Exp $
    5:  */
    6: 
    7: /*
    8:  * Copyright (c) 2000 The NetBSD Foundation, Inc.
    9:  * All rights reserved.
   10:  *
   11:  * This code is derived from software contributed to The NetBSD Foundation
   12:  * by Lennart Augustsson (lennart@augustsson.net).
   13:  *
   14:  * Redistribution and use in source and binary forms, with or without
   15:  * modification, are permitted provided that the following conditions
   16:  * are met:
   17:  * 1. Redistributions of source code must retain the above copyright
   18:  *    notice, this list of conditions and the following disclaimer.
   19:  * 2. Redistributions in binary form must reproduce the above copyright
   20:  *    notice, this list of conditions and the following disclaimer in the
   21:  *    documentation and/or other materials provided with the distribution.
   22:  * 3. All advertising materials mentioning features or use of this software
   23:  *    must display the following acknowledgement:
   24:  *        This product includes software developed by the NetBSD
   25:  *        Foundation, Inc. and its contributors.
   26:  * 4. Neither the name of The NetBSD Foundation nor the names of its
   27:  *    contributors may be used to endorse or promote products derived
   28:  *    from this software without specific prior written permission.
   29:  *
   30:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   31:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   32:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   33:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   34:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   35:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   36:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   37:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   38:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   39:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   40:  * POSSIBILITY OF SUCH DAMAGE.
   41:  */
   42: 
   43: /*
   44:  * FTDI FT8U100AX serial adapter driver
   45:  */
   46: 
   47: #include <sys/cdefs.h>
   48: 
   49: #include <sys/param.h>
   50: #include <sys/systm.h>
   51: #include <sys/kernel.h>
   52: #include <sys/malloc.h>
   53: #include <sys/bus.h>
   54: #include <sys/ioccom.h>
   55: #include <sys/fcntl.h>
   56: #include <sys/conf.h>
   57: #include <sys/tty.h>
   58: #include <sys/file.h>
   59: 
   60: #if defined(__FreeBSD__) && __FreeBSD_version >= 500014
   61: #include <sys/selinfo.h>
   62: #else
   63: #include <sys/select.h>
   64: #endif
   65: 
   66: #include <sys/sysctl.h>
   67: 
   68: #include <bus/usb/usb.h>
   69: #include <bus/usb/usbhid.h>
   70: 
   71: #include <bus/usb/usbdi.h>
   72: #include <bus/usb/usbdi_util.h>
   73: #include <bus/usb/usbdevs.h>
   74: 
   75: #include "../ucom/ucomvar.h"
   76: 
   77: #include "uftdireg.h"
   78: 
   79: #ifdef USB_DEBUG
   80: static int uftdidebug = 0;
   81: SYSCTL_NODE(_hw_usb, OID_AUTO, uftdi, CTLFLAG_RW, 0, "USB uftdi");
   82: SYSCTL_INT(_hw_usb_uftdi, OID_AUTO, debug, CTLFLAG_RW,
   83: 	   &uftdidebug, 0, "uftdi debug level");
   84: #define DPRINTF(x)      do { \
   85: 				if (uftdidebug) \
   86: 					logprintf x; \
   87: 			} while (0)
   88: 
   89: #define DPRINTFN(n, x)  do { \
   90: 				if (uftdidebug > (n)) \
   91: 					logprintf x; \
   92: 			} while (0)
   93: 
   94: #else
   95: #define DPRINTF(x)
   96: #define DPRINTFN(n,x)
   97: #endif
   98: 
   99: #define UFTDI_CONFIG_INDEX	0
  100: #define UFTDI_IFACE_INDEX	0
  101: 
  102: 
  103: /*
  104:  * These are the maximum number of bytes transferred per frame.
  105:  * The output buffer size cannot be increased due to the size encoding.
  106:  */
  107: #define UFTDIIBUFSIZE 64
  108: #define UFTDIOBUFSIZE 64
  109: 
  110: struct uftdi_softc {
  111: 	struct ucom_softc	sc_ucom;
  112: 
  113: 	usbd_interface_handle	sc_iface;	/* interface */
  114: 
  115: 	enum uftdi_type		sc_type;
  116: 	u_int			sc_hdrlen;
  117: 
  118: 	u_char			sc_msr;
  119: 	u_char			sc_lsr;
  120: 
  121: 	u_int			last_lcr;
  122: };
  123: 
  124: Static void	uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr);
  125: Static void	uftdi_set(void *, int, int, int);
  126: Static int	uftdi_param(void *, int, struct termios *);
  127: Static int	uftdi_open(void *sc, int portno);
  128: Static void	uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count);
  129: Static void	uftdi_write(void *sc, int portno, u_char *to, u_char *from,
  130: 			    u_int32_t *count);
  131: Static void	uftdi_break(void *sc, int portno, int onoff);
  132: 
  133: struct ucom_callback uftdi_callback = {
  134: 	uftdi_get_status,
  135: 	uftdi_set,
  136: 	uftdi_param,
  137: 	NULL,
  138: 	uftdi_open,
  139: 	NULL,
  140: 	uftdi_read,
  141: 	uftdi_write,
  142: };
  143: 
  144: USB_MATCH(uftdi)
  145: {
  146: 	USB_MATCH_START(uftdi, uaa);
  147: 
  148: 	if (uaa->iface != NULL)
  149: 		return (UMATCH_NONE);
  150: 
  151: 	DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n",
  152: 		     uaa->vendor, uaa->product));
  153: 
  154: 	if (uaa->vendor == USB_VENDOR_FTDI &&
  155: 	    (uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX ||
  156: 	     uaa->product == USB_PRODUCT_FTDI_SERIAL_8U232AM))
  157: 		return (UMATCH_VENDOR_PRODUCT);
  158: 
  159: 	return (UMATCH_NONE);
  160: }
  161: 
  162: USB_ATTACH(uftdi)
  163: {
  164: 	USB_ATTACH_START(uftdi, sc, uaa);
  165: 	usbd_device_handle dev = uaa->device;
  166: 	usbd_interface_handle iface;
  167: 	usb_interface_descriptor_t *id;
  168: 	usb_endpoint_descriptor_t *ed;
  169: 	char *devinfo;
  170: 	const char *devname;
  171: 	int i;
  172: 	usbd_status err;
  173: 	struct ucom_softc *ucom = &sc->sc_ucom;
  174: 	DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
  175: 	devinfo = malloc(1024, M_USBDEV, M_WAITOK);
  176: 
  177: 	ucom->sc_dev = self;
  178: 	ucom->sc_udev = dev;
  179: 
  180: 	devname = USBDEVNAME(ucom->sc_dev);
  181: 
  182: 	/* Move the device into the configured state. */
  183: 	err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
  184: 	if (err) {
  185: 		printf("\n%s: failed to set configuration, err=%s\n",
  186: 		       devname, usbd_errstr(err));
  187: 		goto bad;
  188: 	}
  189: 
  190: 	err = usbd_device2interface_handle(dev, UFTDI_IFACE_INDEX, &iface);
  191: 	if (err) {
  192: 		printf("\n%s: failed to get interface, err=%s\n",
  193: 		       devname, usbd_errstr(err));
  194: 		goto bad;
  195: 	}
  196: 
  197: 	usbd_devinfo(dev, 0, devinfo);
  198: 	/*	USB_ATTACH_SETUP;*/
  199: 	printf("%s: %s\n", devname, devinfo);
  200: 
  201: 	id = usbd_get_interface_descriptor(iface);
  202: 	ucom->sc_iface = iface;
  203: 	switch( uaa->product ){
  204: 	case USB_PRODUCT_FTDI_SERIAL_8U100AX:
  205: 		sc->sc_type = UFTDI_TYPE_SIO;
  206: 		sc->sc_hdrlen = 1;
  207: 		break;
  208: 	case USB_PRODUCT_FTDI_SERIAL_8U232AM:
  209: 		sc->sc_type = UFTDI_TYPE_8U232AM;
  210: 		sc->sc_hdrlen = 0;
  211: 		break;
  212: 
  213: 	default:		/* Can't happen */
  214: 		goto bad;
  215: 	}
  216: 
  217: 	ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
  218: 
  219: 	for (i = 0; i < id->bNumEndpoints; i++) {
  220: 		int addr, dir, attr;
  221: 		ed = usbd_interface2endpoint_descriptor(iface, i);
  222: 		if (ed == NULL) {
  223: 			printf("%s: could not read endpoint descriptor"
  224: 			       ": %s\n", devname, usbd_errstr(err));
  225: 			goto bad;
  226: 		}
  227: 
  228: 		addr = ed->bEndpointAddress;
  229: 		dir = UE_GET_DIR(ed->bEndpointAddress);
  230: 		attr = ed->bmAttributes & UE_XFERTYPE;
  231: 		if (dir == UE_DIR_IN && attr == UE_BULK)
  232: 		  ucom->sc_bulkin_no = addr;
  233: 		else if (dir == UE_DIR_OUT && attr == UE_BULK)
  234: 		  ucom->sc_bulkout_no = addr;
  235: 		else {
  236: 		  printf("%s: unexpected endpoint\n", devname);
  237: 		  goto bad;
  238: 		}
  239: 	}
  240: 	if (ucom->sc_bulkin_no == -1) {
  241: 		printf("%s: Could not find data bulk in\n",
  242: 		       devname);
  243: 		goto bad;
  244: 	}
  245: 	if (ucom->sc_bulkout_no == -1) {
  246: 		printf("%s: Could not find data bulk out\n",
  247: 		       devname);
  248: 		goto bad;
  249: 	}
  250:         ucom->sc_parent  = sc;
  251: 	ucom->sc_portno = FTDI_PIT_SIOA;
  252: 	/* bulkin, bulkout set above */
  253: 
  254:   	ucom->sc_ibufsize = UFTDIIBUFSIZE;
  255: 	ucom->sc_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
  256: 	ucom->sc_ibufsizepad = UFTDIIBUFSIZE;
  257: 	ucom->sc_opkthdrlen = sc->sc_hdrlen;
  258: 
  259: 
  260: 	ucom->sc_callback = &uftdi_callback;
  261: #if 0
  262: 	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
  263: 			   USBDEV(ucom->sc_dev));
  264: #endif
  265: 	DPRINTF(("uftdi: in=0x%x out=0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no));
  266: 	ucom_attach(&sc->sc_ucom);
  267: 	free(devinfo, M_USBDEV);
  268: 
  269: 	USB_ATTACH_SUCCESS_RETURN;
  270: 
  271: bad:
  272: 	DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
  273: 	ucom->sc_dying = 1;
  274: 	free(devinfo, M_USBDEV);
  275: 
  276: 	USB_ATTACH_ERROR_RETURN;
  277: }
  278: #if 0
  279: int
  280: uftdi_activate(device_ptr_t self, enum devact act)
  281: {
  282: 	struct uftdi_softc *sc = (struct uftdi_softc *)self;
  283: 	int rv = 0;
  284: 
  285: 	switch (act) {
  286: 	case DVACT_ACTIVATE:
  287: 		return (EOPNOTSUPP);
  288: 
  289: 	case DVACT_DEACTIVATE:
  290: 		if (sc->sc_subdev != NULL)
  291: 			rv = config_deactivate(sc->sc_subdev);
  292: 		sc->sc_ucom.sc_dying = 1;
  293: 		break;
  294: 	}
  295: 	return (rv);
  296: }
  297: #endif
  298: #if 1
  299: USB_DETACH(uftdi)
  300: {
  301: 	USB_DETACH_START(uftdi, sc);
  302: 
  303: 	int rv = 0;
  304: 
  305: 	DPRINTF(("uftdi_detach: sc=%p\n", sc));
  306: 	sc->sc_ucom.sc_dying = 1;
  307: 	rv = ucom_detach(&sc->sc_ucom);
  308: 
  309: 	return rv;
  310: }
  311: #endif
  312: Static int
  313: uftdi_open(void *vsc, int portno)
  314: {
  315: 	struct uftdi_softc *sc = vsc;
  316: 	struct ucom_softc *ucom = &sc->sc_ucom;
  317: 	usb_device_request_t req;
  318: 	usbd_status err;
  319: 	struct termios t;
  320: 
  321: 	DPRINTF(("uftdi_open: sc=%p\n", sc));
  322: 
  323: 	if (ucom->sc_dying)
  324: 		return (EIO);
  325: 
  326: 	/* Perform a full reset on the device */
  327: 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  328: 	req.bRequest = FTDI_SIO_RESET;
  329: 	USETW(req.wValue, FTDI_SIO_RESET_SIO);
  330: 	USETW(req.wIndex, portno);
  331: 	USETW(req.wLength, 0);
  332: 	err = usbd_do_request(ucom->sc_udev, &req, NULL);
  333: 	if (err)
  334: 		return (EIO);
  335: 
  336: 	/* Set 9600 baud, 2 stop bits, no parity, 8 bits */
  337: 	t.c_ospeed = 9600;
  338: 	t.c_cflag = CSTOPB | CS8;
  339: 	(void)uftdi_param(sc, portno, &t);
  340: 
  341: 	/* Turn on RTS/CTS flow control */
  342: 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  343: 	req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
  344: 	USETW(req.wValue, 0);
  345: 	USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
  346: 	USETW(req.wLength, 0);
  347: 	err = usbd_do_request(ucom->sc_udev, &req, NULL);
  348: 	if (err)
  349: 		return (EIO);
  350: 
  351: 	return (0);
  352: }
  353: 
  354: Static void
  355: uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
  356: {
  357: 	struct uftdi_softc *sc = vsc;
  358: 	u_char msr, lsr;
  359: 
  360: 	DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
  361: 		     *count));
  362: 
  363: 	msr = FTDI_GET_MSR(*ptr);
  364: 	lsr = FTDI_GET_LSR(*ptr);
  365: 
  366: #ifdef USB_DEBUG
  367: 	if (*count != 2)
  368: 		DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
  369: 			    "0x%02x\n", sc, portno, *count, (*ptr)[2]));
  370: #endif
  371: 
  372: 	if (sc->sc_msr != msr ||
  373: 	    (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
  374: 		DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
  375: 			 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
  376: 			 lsr, sc->sc_lsr));
  377: 		sc->sc_msr = msr;
  378: 		sc->sc_lsr = lsr;
  379: 		ucom_status_change(&sc->sc_ucom);
  380: 	}
  381: 
  382: 	/* Pick up status and adjust data part. */
  383: 	*ptr += 2;
  384: 	*count -= 2;
  385: }
  386: 
  387: Static void
  388: uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
  389: {
  390: 	struct uftdi_softc *sc = vsc;
  391: 
  392: 	DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
  393: 		     vsc, portno, *count, from[0]));
  394: 
  395: 	/* Make length tag and copy data */
  396: 	if (sc->sc_hdrlen > 0)
  397: 		*to = FTDI_OUT_TAG(*count, portno);
  398: 
  399: 	memcpy(to + sc->sc_hdrlen, from, *count);
  400: 	*count += sc->sc_hdrlen;
  401: }
  402: 
  403: Static void
  404: uftdi_set(void *vsc, int portno, int reg, int onoff)
  405: {
  406: 	struct uftdi_softc *sc = vsc;
  407: 	struct ucom_softc *ucom = vsc;
  408: 	usb_device_request_t req;
  409: 	int ctl;
  410: 
  411: 	DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
  412: 		 reg, onoff));
  413: 
  414: 	switch (reg) {
  415: 	case UCOM_SET_DTR:
  416: 		ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
  417: 		break;
  418: 	case UCOM_SET_RTS:
  419: 		ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
  420: 		break;
  421: 	case UCOM_SET_BREAK:
  422: 		uftdi_break(sc, portno, onoff);
  423: 		return;
  424: 	default:
  425: 		return;
  426: 	}
  427: 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  428: 	req.bRequest = FTDI_SIO_MODEM_CTRL;
  429: 	USETW(req.wValue, ctl);
  430: 	USETW(req.wIndex, portno);
  431: 	USETW(req.wLength, 0);
  432: 	DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
  433: 		    "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
  434: 		    UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
  435: 	(void)usbd_do_request(ucom->sc_udev, &req, NULL);
  436: }
  437: 
  438: Static int
  439: uftdi_param(void *vsc, int portno, struct termios *t)
  440: {
  441: 	struct uftdi_softc *sc = vsc;
  442: 	struct ucom_softc *ucom = &sc->sc_ucom;
  443: 	usb_device_request_t req;
  444: 	usbd_status err;
  445: 	int rate=0, data, flow;
  446: 
  447: 	DPRINTF(("uftdi_param: sc=%p\n", sc));
  448: 
  449: 	if (ucom->sc_dying)
  450: 		return (EIO);
  451: 
  452: 	switch (sc->sc_type) {
  453: 	case UFTDI_TYPE_SIO:
  454: 		switch (t->c_ospeed) {
  455: 		case 300: rate = ftdi_sio_b300; break;
  456: 		case 600: rate = ftdi_sio_b600; break;
  457: 		case 1200: rate = ftdi_sio_b1200; break;
  458: 		case 2400: rate = ftdi_sio_b2400; break;
  459: 		case 4800: rate = ftdi_sio_b4800; break;
  460: 		case 9600: rate = ftdi_sio_b9600; break;
  461: 		case 19200: rate = ftdi_sio_b19200; break;
  462: 		case 38400: rate = ftdi_sio_b38400; break;
  463: 		case 57600: rate = ftdi_sio_b57600; break;
  464: 		case 115200: rate = ftdi_sio_b115200; break;
  465: 		default:
  466: 			return (EINVAL);
  467: 		}
  468: 		break;
  469: 
  470: 	case UFTDI_TYPE_8U232AM:
  471: 		switch(t->c_ospeed) {
  472: 		case 300: rate = ftdi_8u232am_b300; break;
  473: 		case 600: rate = ftdi_8u232am_b600; break;
  474: 		case 1200: rate = ftdi_8u232am_b1200; break;
  475: 		case 2400: rate = ftdi_8u232am_b2400; break;
  476: 		case 4800: rate = ftdi_8u232am_b4800; break;
  477: 		case 9600: rate = ftdi_8u232am_b9600; break;
  478: 		case 19200: rate = ftdi_8u232am_b19200; break;
  479: 		case 38400: rate = ftdi_8u232am_b38400; break;
  480: 		case 57600: rate = ftdi_8u232am_b57600; break;
  481: 		case 115200: rate = ftdi_8u232am_b115200; break;
  482: 		case 230400: rate = ftdi_8u232am_b230400; break;
  483: 		case 460800: rate = ftdi_8u232am_b460800; break;
  484: 		case 921600: rate = ftdi_8u232am_b921600; break;
  485: 		default:
  486: 			return (EINVAL);
  487: 		}
  488: 		break;
  489: 	}
  490: 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  491: 	req.bRequest = FTDI_SIO_SET_BAUD_RATE;
  492: 	USETW(req.wValue, rate);
  493: 	USETW(req.wIndex, portno);
  494: 	USETW(req.wLength, 0);
  495: 	DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
  496: 		    "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
  497: 		    UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
  498: 	err = usbd_do_request(ucom->sc_udev, &req, NULL);
  499: 	if (err)
  500: 		return (EIO);
  501: 
  502: 	if (ISSET(t->c_cflag, CSTOPB))
  503: 		data = FTDI_SIO_SET_DATA_STOP_BITS_2;
  504: 	else
  505: 		data = FTDI_SIO_SET_DATA_STOP_BITS_1;
  506: 	if (ISSET(t->c_cflag, PARENB)) {
  507: 		if (ISSET(t->c_cflag, PARODD))
  508: 			data |= FTDI_SIO_SET_DATA_PARITY_ODD;
  509: 		else
  510: 			data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
  511: 	} else
  512: 		data |= FTDI_SIO_SET_DATA_PARITY_NONE;
  513: 	switch (ISSET(t->c_cflag, CSIZE)) {
  514: 	case CS5:
  515: 		data |= FTDI_SIO_SET_DATA_BITS(5);
  516: 		break;
  517: 	case CS6:
  518: 		data |= FTDI_SIO_SET_DATA_BITS(6);
  519: 		break;
  520: 	case CS7:
  521: 		data |= FTDI_SIO_SET_DATA_BITS(7);
  522: 		break;
  523: 	case CS8:
  524: 		data |= FTDI_SIO_SET_DATA_BITS(8);
  525: 		break;
  526: 	}
  527: 	sc->last_lcr = data;
  528: 
  529: 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  530: 	req.bRequest = FTDI_SIO_SET_DATA;
  531: 	USETW(req.wValue, data);
  532: 	USETW(req.wIndex, portno);
  533: 	USETW(req.wLength, 0);
  534: 	DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
  535: 		    "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
  536: 		    UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
  537: 	err = usbd_do_request(ucom->sc_udev, &req, NULL);
  538: 	if (err)
  539: 		return (EIO);
  540: 
  541: 	if (ISSET(t->c_cflag, CRTSCTS)) {
  542: 		flow = FTDI_SIO_RTS_CTS_HS;
  543: 		USETW(req.wValue, 0);
  544: 	} else if (ISSET(t->c_iflag, IXON|IXOFF)) {
  545: 		flow = FTDI_SIO_XON_XOFF_HS;
  546: 		USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
  547: 	} else {
  548: 		flow = FTDI_SIO_DISABLE_FLOW_CTRL;
  549: 		USETW(req.wValue, 0);
  550: 	}
  551: 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  552: 	req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
  553: 	USETW2(req.wIndex, flow, portno);
  554: 	USETW(req.wLength, 0);
  555: 	err = usbd_do_request(ucom->sc_udev, &req, NULL);
  556: 	if (err)
  557: 		return (EIO);
  558: 
  559: 	return (0);
  560: }
  561: 
  562: void
  563: uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
  564: {
  565: 	struct uftdi_softc *sc = vsc;
  566: 
  567: 	DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
  568: 		 sc->sc_msr, sc->sc_lsr));
  569: 
  570: 	if (msr != NULL)
  571: 		*msr = sc->sc_msr;
  572: 	if (lsr != NULL)
  573: 		*lsr = sc->sc_lsr;
  574: }
  575: 
  576: void
  577: uftdi_break(void *vsc, int portno, int onoff)
  578: {
  579: 	struct uftdi_softc *sc = vsc;
  580: 	struct ucom_softc *ucom = vsc;
  581: 
  582: 	usb_device_request_t req;
  583: 	int data;
  584: 
  585: 	DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
  586: 		  onoff));
  587: 
  588: 	if (onoff) {
  589: 		data = sc->last_lcr | FTDI_SIO_SET_BREAK;
  590: 	} else {
  591: 		data = sc->last_lcr;
  592: 	}
  593: 
  594: 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  595: 	req.bRequest = FTDI_SIO_SET_DATA;
  596: 	USETW(req.wValue, data);
  597: 	USETW(req.wIndex, portno);
  598: 	USETW(req.wLength, 0);
  599: 	(void)usbd_do_request(ucom->sc_udev, &req, NULL);
  600: }
  601: 
  602: Static device_method_t uftdi_methods[] = {
  603: 	/* Device interface */
  604: 	DEVMETHOD(device_probe, uftdi_match),
  605: 	DEVMETHOD(device_attach, uftdi_attach),
  606: 	DEVMETHOD(device_detach, uftdi_detach),
  607: 
  608: 	{ 0, 0 }
  609: };
  610: 
  611: Static driver_t uftdi_driver = {
  612: 	"ucom",
  613: 	uftdi_methods,
  614: 	sizeof (struct uftdi_softc)
  615: };
  616: 
  617: DRIVER_MODULE(uftdi, uhub, uftdi_driver, ucom_devclass, usbd_driver_load, 0);
  618: MODULE_DEPEND(uftdi, usb, 1, 1, 1);
  619: MODULE_DEPEND(uftdi, ucom,UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);