File:  [DragonFly] / src / sys / dev / usbmisc / ubsa / ubsa.c
Revision 1.6: download - view: text, annotated - select for diffs
Wed Feb 11 15:13:05 2004 UTC (10 years, 2 months ago) by joerg
Branches: MAIN
CVS tags: HEAD
Add defined(__FreeBSD__) and defined(__DragonFly__) where appropiriate.

    1: /*-
    2:  * Copyright (c) 2002, Alexander Kabaev <kan.FreeBSD.org>.
    3:  * All rights reserved.
    4:  *
    5:  * Redistribution and use in source and binary forms, with or without
    6:  * modification, are permitted provided that the following conditions
    7:  * are met:
    8:  * 1. Redistributions of source code must retain the above copyright
    9:  *    notice, this list of conditions and the following disclaimer.
   10:  * 2. Redistributions in binary form must reproduce the above copyright
   11:  *    notice, this list of conditions and the following disclaimer in the
   12:  *    documentation and/or other materials provided with the distribution.
   13:  *
   14:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24:  * SUCH DAMAGE.
   25:  */
   26: 
   27: /*
   28:  * Copyright (c) 2001 The NetBSD Foundation, Inc.
   29:  * All rights reserved.
   30:  *
   31:  * This code is derived from software contributed to The NetBSD Foundation
   32:  * by Ichiro FUKUHARA (ichiro@ichiro.org).
   33:  *
   34:  * Redistribution and use in source and binary forms, with or without
   35:  * modification, are permitted provided that the following conditions
   36:  * are met:
   37:  * 1. Redistributions of source code must retain the above copyright
   38:  *    notice, this list of conditions and the following disclaimer.
   39:  * 2. Redistributions in binary form must reproduce the above copyright
   40:  *    notice, this list of conditions and the following disclaimer in the
   41:  *    documentation and/or other materials provided with the distribution.
   42:  * 3. All advertising materials mentioning features or use of this software
   43:  *    must display the following acknowledgement:
   44:  *        This product includes software developed by the NetBSD
   45:  *        Foundation, Inc. and its contributors.
   46:  * 4. Neither the name of The NetBSD Foundation nor the names of its
   47:  *    contributors may be used to endorse or promote products derived
   48:  *    from this software without specific prior written permission.
   49:  *
   50:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   51:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   52:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   53:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   54:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   55:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   56:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   57:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   58:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   59:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   60:  * POSSIBILITY OF SUCH DAMAGE.
   61:  *
   62:  * $FreeBSD: src/sys/dev/usb/ubsa.c,v 1.11 2003/11/16 12:13:39 akiyama Exp $
   63:  * $DragonFly: src/sys/dev/usbmisc/ubsa/ubsa.c,v 1.6 2004/02/11 15:13:05 joerg Exp $
   64:  */
   65: 
   66: #include <sys/param.h>
   67: #include <sys/systm.h>
   68: #include <sys/kernel.h>
   69: #include <sys/malloc.h>
   70: #include <sys/bus.h>
   71: #include <sys/ioccom.h>
   72: #include <sys/fcntl.h>
   73: #include <sys/interrupt.h>
   74: #include <sys/conf.h>
   75: #include <sys/tty.h>
   76: #include <sys/file.h>
   77: #if defined(__FreeBSD__) && __FreeBSD_version >= 500014
   78: #include <sys/selinfo.h>
   79: #else
   80: #include <sys/select.h>
   81: #endif
   82: #include <sys/proc.h>
   83: #include <sys/vnode.h>
   84: #include <sys/poll.h>
   85: #include <sys/sysctl.h>
   86: 
   87: #include <bus/usb/usb.h>
   88: #include <bus/usb/usbcdc.h>
   89: 
   90: #include <bus/usb/usbdi.h>
   91: #include <bus/usb/usbdi_util.h>
   92: #include <bus/usb/usbdevs.h>
   93: #include <bus/usb/usb_quirks.h>
   94: 
   95: #include "../ucom/ucomvar.h"
   96: 
   97: #ifdef USB_DEBUG
   98: Static int	ubsadebug = 0;
   99: SYSCTL_NODE(_hw_usb, OID_AUTO, ubsa, CTLFLAG_RW, 0, "USB ubsa");
  100: SYSCTL_INT(_hw_usb_ubsa, OID_AUTO, debug, CTLFLAG_RW,
  101: 	   &ubsadebug, 0, "ubsa debug level");
  102: 
  103: #define	DPRINTFN(n, x)	do { \
  104: 				if (ubsadebug > (n)) \
  105: 					logprintf x; \
  106: 			} while (0)
  107: #else
  108: #define	DPRINTFN(n, x)
  109: #endif
  110: #define	DPRINTF(x) DPRINTFN(0, x)
  111: 
  112: #define	UBSA_MODVER		1	/* module version */
  113: 
  114: #define	UBSA_CONFIG_INDEX	1
  115: #define	UBSA_IFACE_INDEX	0
  116: 
  117: #define	UBSA_INTR_INTERVAL	100	/* ms */
  118: 
  119: #define	UBSA_SET_BAUDRATE  	0x00
  120: #define	UBSA_SET_STOP_BITS	0x01
  121: #define	UBSA_SET_DATA_BITS	0x02
  122: #define	UBSA_SET_PARITY		0x03
  123: #define	UBSA_SET_DTR		0x0A
  124: #define	UBSA_SET_RTS		0x0B
  125: #define	UBSA_SET_BREAK		0x0C
  126: #define	UBSA_SET_FLOW_CTRL	0x10
  127: 
  128: #define	UBSA_PARITY_NONE	0x00
  129: #define	UBSA_PARITY_EVEN	0x01
  130: #define	UBSA_PARITY_ODD		0x02
  131: #define	UBSA_PARITY_MARK	0x03
  132: #define	UBSA_PARITY_SPACE	0x04
  133: 
  134: #define	UBSA_FLOW_NONE		0x0000
  135: #define	UBSA_FLOW_OCTS		0x0001
  136: #define	UBSA_FLOW_ODSR		0x0002
  137: #define	UBSA_FLOW_IDSR		0x0004
  138: #define	UBSA_FLOW_IDTR		0x0008
  139: #define	UBSA_FLOW_IRTS		0x0010
  140: #define	UBSA_FLOW_ORTS		0x0020
  141: #define	UBSA_FLOW_UNKNOWN	0x0040
  142: #define	UBSA_FLOW_OXON		0x0080
  143: #define	UBSA_FLOW_IXON		0x0100
  144: 
  145: /* line status register */
  146: #define	UBSA_LSR_TSRE		0x40	/* Transmitter empty: byte sent */
  147: #define	UBSA_LSR_TXRDY		0x20	/* Transmitter buffer empty */
  148: #define	UBSA_LSR_BI		0x10	/* Break detected */
  149: #define	UBSA_LSR_FE		0x08	/* Framing error: bad stop bit */
  150: #define	UBSA_LSR_PE		0x04	/* Parity error */
  151: #define	UBSA_LSR_OE		0x02	/* Overrun, lost incoming byte */
  152: #define	UBSA_LSR_RXRDY		0x01	/* Byte ready in Receive Buffer */
  153: #define	UBSA_LSR_RCV_MASK	0x1f	/* Mask for incoming data or error */
  154: 
  155: /* modem status register */
  156: /* All deltas are from the last read of the MSR. */
  157: #define	UBSA_MSR_DCD		0x80	/* Current Data Carrier Detect */
  158: #define	UBSA_MSR_RI		0x40	/* Current Ring Indicator */
  159: #define	UBSA_MSR_DSR		0x20	/* Current Data Set Ready */
  160: #define	UBSA_MSR_CTS		0x10	/* Current Clear to Send */
  161: #define	UBSA_MSR_DDCD		0x08	/* DCD has changed state */
  162: #define	UBSA_MSR_TERI		0x04	/* RI has toggled low to high */
  163: #define	UBSA_MSR_DDSR		0x02	/* DSR has changed state */
  164: #define	UBSA_MSR_DCTS		0x01	/* CTS has changed state */
  165: 
  166: struct	ubsa_softc {
  167: 	struct ucom_softc	sc_ucom;
  168: 
  169: 	int			sc_iface_number;	/* interface number */
  170: 
  171: 	usbd_interface_handle	sc_intr_iface;	/* interrupt interface */
  172: 	int			sc_intr_number;	/* interrupt number */
  173: 	usbd_pipe_handle	sc_intr_pipe;	/* interrupt pipe */
  174: 	u_char			*sc_intr_buf;	/* interrupt buffer */
  175: 	int			sc_isize;
  176: 
  177: 	u_char			sc_dtr;		/* current DTR state */
  178: 	u_char			sc_rts;		/* current RTS state */
  179: 
  180: 	u_char			sc_lsr;		/* Local status register */
  181: 	u_char			sc_msr;		/* ubsa status register */
  182: #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
  183: 	void			*sc_swicookie;
  184: #endif
  185: };
  186: 
  187: Static	void ubsa_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
  188: Static	void ubsa_notify(void *);
  189: 
  190: Static	void ubsa_get_status(void *, int, u_char *, u_char *);
  191: Static	void ubsa_set(void *, int, int, int);
  192: Static	int  ubsa_param(void *, int, struct termios *);
  193: Static	int  ubsa_open(void *, int);
  194: Static	void ubsa_close(void *, int);
  195: 
  196: Static	int  ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t);
  197: Static	void ubsa_dtr(struct ubsa_softc *, int);
  198: Static	void ubsa_rts(struct ubsa_softc *, int);
  199: Static	void ubsa_baudrate(struct ubsa_softc *, speed_t);
  200: Static	void ubsa_parity(struct ubsa_softc *, tcflag_t);
  201: Static	void ubsa_databits(struct ubsa_softc *, tcflag_t);
  202: Static	void ubsa_stopbits(struct ubsa_softc *, tcflag_t);
  203: Static	void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t);
  204: 
  205: struct ucom_callback ubsa_callback = {
  206: 	ubsa_get_status,
  207: 	ubsa_set,
  208: 	ubsa_param,
  209: 	NULL,
  210: 	ubsa_open,
  211: 	ubsa_close,
  212: 	NULL,
  213: 	NULL
  214: };
  215: 
  216: Static const struct ubsa_product {
  217: 	uint16_t	vendor;
  218: 	uint16_t	product;
  219: } ubsa_products [] = {
  220: 	/* BELKIN F5U103 */
  221: 	{ USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 },
  222: 	/* BELKIN F5U120 */
  223: 	{ USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 },
  224: 	/* GoHubs GO-COM232 */
  225: 	{ USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM },
  226: 	/* GoHubs GO-COM232 */
  227: 	{ USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 },
  228: 	/* Peracom */
  229: 	{ USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 },
  230: 	{ 0, 0 }
  231: };
  232: 
  233: Static device_probe_t ubsa_match;
  234: Static device_attach_t ubsa_attach;
  235: Static device_detach_t ubsa_detach;
  236: 
  237: Static device_method_t ubsa_methods[] = {
  238: 	/* Device interface */
  239: 	DEVMETHOD(device_probe, ubsa_match),
  240: 	DEVMETHOD(device_attach, ubsa_attach),
  241: 	DEVMETHOD(device_detach, ubsa_detach),
  242: 	{ 0, 0 }
  243: };
  244: 
  245: Static driver_t ubsa_driver = {
  246: 	"ucom",
  247: 	ubsa_methods,
  248: 	sizeof (struct ubsa_softc)
  249: };
  250: 
  251: DRIVER_MODULE(ubsa, uhub, ubsa_driver, ucom_devclass, usbd_driver_load, 0);
  252: MODULE_DEPEND(ubsa, usb, 1, 1, 1);
  253: MODULE_DEPEND(ubsa, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
  254: MODULE_VERSION(ubsa, UBSA_MODVER);
  255: 
  256: #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
  257: static struct ithd *ucom_ithd;
  258: #endif
  259: 
  260: USB_MATCH(ubsa)
  261: {
  262: 	USB_MATCH_START(ubsa, uaa);
  263: 	int i;
  264: 
  265: 	if (uaa->iface != NULL)
  266: 		return (UMATCH_NONE);
  267: 
  268: 	for (i = 0; ubsa_products[i].vendor != 0; i++) {
  269: 		if (ubsa_products[i].vendor == uaa->vendor &&
  270: 		    ubsa_products[i].product == uaa->product) {
  271: 			return (UMATCH_VENDOR_PRODUCT);
  272: 		}
  273: 	}
  274: 	return (UMATCH_NONE);
  275: }
  276: 
  277: USB_ATTACH(ubsa)
  278: {
  279: 	USB_ATTACH_START(ubsa, sc, uaa);
  280: 	usbd_device_handle dev;
  281: 	struct ucom_softc *ucom;
  282: 	usb_config_descriptor_t *cdesc;
  283: 	usb_interface_descriptor_t *id;
  284: 	usb_endpoint_descriptor_t *ed;
  285: 	char *devinfo;
  286: 	const char *devname;
  287: 	usbd_status err;
  288: 	int i;
  289: 
  290: 	dev = uaa->device;
  291: 	devinfo = malloc(1024, M_USBDEV, M_WAITOK);
  292: 	ucom = &sc->sc_ucom;
  293: 
  294: 	bzero(sc, sizeof (struct ubsa_softc));
  295: 
  296: 	/*
  297: 	 * initialize rts, dtr variables to something
  298: 	 * different from boolean 0, 1
  299: 	 */
  300: 	sc->sc_dtr = -1;
  301: 	sc->sc_rts = -1;
  302: 
  303: 	usbd_devinfo(dev, 0, devinfo);
  304: 	/* USB_ATTACH_SETUP; */
  305: 	ucom->sc_dev = self;
  306: 	device_set_desc_copy(self, devinfo);
  307: 	/* USB_ATTACH_SETUP; */
  308: 
  309: 	ucom->sc_udev = dev;
  310: 	ucom->sc_iface = uaa->iface;
  311: 
  312: 	devname = USBDEVNAME(ucom->sc_dev);
  313: 	printf("%s: %s\n", devname, devinfo);
  314: 
  315: 	DPRINTF(("ubsa attach: sc = %p\n", sc));
  316: 
  317: 	/* initialize endpoints */
  318: 	ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
  319: 	sc->sc_intr_number = -1;
  320: 	sc->sc_intr_pipe = NULL;
  321: 
  322: 	/* Move the device into the configured state. */
  323: 	err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1);
  324: 	if (err) {
  325: 		printf("%s: failed to set configuration: %s\n",
  326: 		    devname, usbd_errstr(err));
  327: 		ucom->sc_dying = 1;
  328: 		goto error;
  329: 	}
  330: 
  331: 	/* get the config descriptor */
  332: 	cdesc = usbd_get_config_descriptor(ucom->sc_udev);
  333: 
  334: 	if (cdesc == NULL) {
  335: 		printf("%s: failed to get configuration descriptor\n",
  336: 		    USBDEVNAME(ucom->sc_dev));
  337: 		ucom->sc_dying = 1;
  338: 		goto error;
  339: 	}
  340: 
  341: 	/* get the first interface */
  342: 	err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX,
  343: 	    &ucom->sc_iface);
  344: 	if (err) {
  345: 		printf("%s: failed to get interface: %s\n",
  346: 			devname, usbd_errstr(err));
  347: 		ucom->sc_dying = 1;
  348: 		goto error;
  349: 	}
  350: 
  351: 	/* Find the endpoints */
  352: 
  353: 	id = usbd_get_interface_descriptor(ucom->sc_iface);
  354: 	sc->sc_iface_number = id->bInterfaceNumber;
  355: 
  356: 	for (i = 0; i < id->bNumEndpoints; i++) {
  357: 		ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
  358: 		if (ed == NULL) {
  359: 			printf("%s: no endpoint descriptor for %d\n",
  360: 			    USBDEVNAME(ucom->sc_dev), i);
  361: 			ucom->sc_dying = 1;
  362: 			goto error;
  363: 		}
  364: 
  365: 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
  366: 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
  367: 			sc->sc_intr_number = ed->bEndpointAddress;
  368: 			sc->sc_isize = UGETW(ed->wMaxPacketSize);
  369: 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
  370: 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
  371: 			ucom->sc_bulkin_no = ed->bEndpointAddress;
  372: 			ucom->sc_ibufsize = UGETW(ed->wMaxPacketSize);
  373: 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
  374: 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
  375: 			ucom->sc_bulkout_no = ed->bEndpointAddress;
  376: 			ucom->sc_obufsize = UGETW(ed->wMaxPacketSize);
  377: 		}
  378: 	}
  379: 
  380: 	if (sc->sc_intr_number == -1) {
  381: 		printf("%s: Could not find interrupt in\n",
  382: 		    USBDEVNAME(ucom->sc_dev));
  383: 		ucom->sc_dying = 1;
  384: 		goto error;
  385: 	}
  386: 
  387: 	/* keep interface for interrupt */
  388: 	sc->sc_intr_iface = ucom->sc_iface;
  389: 
  390: 	if (ucom->sc_bulkin_no == -1) {
  391: 		printf("%s: Could not find data bulk in\n",
  392: 		    USBDEVNAME(ucom->sc_dev));
  393: 		ucom->sc_dying = 1;
  394: 		goto error;
  395: 	}
  396: 
  397: 	if (ucom->sc_bulkout_no == -1) {
  398: 		printf("%s: Could not find data bulk out\n",
  399: 		    USBDEVNAME(ucom->sc_dev));
  400: 		ucom->sc_dying = 1;
  401: 		goto error;
  402: 	}
  403: 
  404: 	ucom->sc_parent = sc;
  405: 	ucom->sc_portno = UCOM_UNK_PORTNO;
  406: 	/* bulkin, bulkout set above */
  407: 	ucom->sc_ibufsizepad = ucom->sc_ibufsize;
  408: 	ucom->sc_opkthdrlen = 0;
  409: 	ucom->sc_callback = &ubsa_callback;
  410: 
  411: 	DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n",
  412: 	    ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
  413: 
  414: #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
  415: 	swi_add(&ucom_ithd, "ucom", ubsa_notify, sc, SWI_TTY, 0,
  416: 	    &sc->sc_swicookie);
  417: #endif
  418:  
  419: 	ucom_attach(ucom);
  420: 
  421: 	free(devinfo, M_USBDEV);
  422: 	USB_ATTACH_SUCCESS_RETURN;
  423: 
  424: error:
  425: 	free(devinfo, M_USBDEV);
  426: 	USB_ATTACH_ERROR_RETURN;
  427: }
  428: 
  429: USB_DETACH(ubsa)
  430: {
  431: 	USB_DETACH_START(ubsa, sc);
  432: 	int rv;
  433: 
  434: 
  435: 	DPRINTF(("ubsa_detach: sc = %p\n", sc));
  436: 
  437: 	if (sc->sc_intr_pipe != NULL) {
  438: 		usbd_abort_pipe(sc->sc_intr_pipe);
  439: 		usbd_close_pipe(sc->sc_intr_pipe);
  440: 		free(sc->sc_intr_buf, M_USBDEV);
  441: 		sc->sc_intr_pipe = NULL;
  442: 	}
  443: 
  444: 	sc->sc_ucom.sc_dying = 1;
  445: 
  446: 	rv = ucom_detach(&sc->sc_ucom);
  447: 
  448: #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
  449: 	ithread_remove_handler(sc->sc_swicookie);
  450: #endif
  451: 
  452: 	return (rv);
  453: }
  454: 
  455: Static int
  456: ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value)
  457: {
  458: 	usb_device_request_t req;
  459: 	usbd_status err;
  460: 
  461: 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  462: 	req.bRequest = request;
  463: 	USETW(req.wValue, value);
  464: 	USETW(req.wIndex, sc->sc_iface_number);
  465: 	USETW(req.wLength, 0);
  466: 
  467: 	err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
  468: 	if (err)
  469: 		printf("%s: ubsa_request: %s\n",
  470: 		    USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
  471: 	return (err);
  472: }
  473: 
  474: Static void
  475: ubsa_dtr(struct ubsa_softc *sc, int onoff)
  476: {
  477: 
  478: 	DPRINTF(("ubsa_dtr: onoff = %d\n", onoff));
  479: 
  480: 	if (sc->sc_dtr == onoff)
  481: 		return;
  482: 	sc->sc_dtr = onoff;
  483: 
  484: 	ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0);
  485: }
  486: 
  487: Static void
  488: ubsa_rts(struct ubsa_softc *sc, int onoff)
  489: {
  490: 
  491: 	DPRINTF(("ubsa_rts: onoff = %d\n", onoff));
  492: 
  493: 	if (sc->sc_rts == onoff)
  494: 		return;
  495: 	sc->sc_rts = onoff;
  496: 
  497: 	ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0);
  498: }
  499: 
  500: Static void
  501: ubsa_break(struct ubsa_softc *sc, int onoff)
  502: {
  503: 
  504: 	DPRINTF(("ubsa_rts: onoff = %d\n", onoff));
  505: 
  506: 	ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0);
  507: }
  508: 
  509: Static void
  510: ubsa_set(void *addr, int portno, int reg, int onoff)
  511: {
  512: 	struct ubsa_softc *sc;
  513: 
  514: 	sc = addr;
  515: 	switch (reg) {
  516: 	case UCOM_SET_DTR:
  517: 		ubsa_dtr(sc, onoff);
  518: 		break;
  519: 	case UCOM_SET_RTS:
  520: 		ubsa_rts(sc, onoff);
  521: 		break;
  522: 	case UCOM_SET_BREAK:
  523: 		ubsa_break(sc, onoff);
  524: 		break;
  525: 	default:
  526: 		break;
  527: 	}
  528: }
  529: 
  530: Static void
  531: ubsa_baudrate(struct ubsa_softc *sc, speed_t speed)
  532: {
  533: 	u_int16_t value = 0;
  534: 
  535: 	DPRINTF(("ubsa_baudrate: speed = %d\n", speed));
  536: 
  537: 	switch(speed) {
  538: 	case B0:
  539: 		break;
  540: 	case B300:
  541: 	case B600:
  542: 	case B1200:
  543: 	case B2400:
  544: 	case B4800:
  545: 	case B9600:
  546: 	case B19200:
  547: 	case B38400:
  548: 	case B57600:
  549: 	case B115200:
  550: 	case B230400:
  551: 		value = B230400 / speed;
  552: 		break;
  553: 	default:
  554: 		printf("%s: ubsa_param: unsupported baudrate, "
  555: 		    "forcing default of 9600\n",
  556: 		    USBDEVNAME(sc->sc_ucom.sc_dev));
  557: 		value = B230400 / B9600;
  558: 		break;
  559: 	};
  560: 
  561: 	if (speed == B0) {
  562: 		ubsa_flow(sc, 0, 0);
  563: 		ubsa_dtr(sc, 0);
  564: 		ubsa_rts(sc, 0);
  565: 	} else
  566: 		ubsa_request(sc, UBSA_SET_BAUDRATE, value);
  567: }
  568: 
  569: Static void
  570: ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag)
  571: {
  572: 	int value;
  573: 
  574: 	DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag));
  575: 
  576: 	if (cflag & PARENB)
  577: 		value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN;
  578: 	else
  579: 		value = UBSA_PARITY_NONE;
  580: 
  581: 	ubsa_request(sc, UBSA_SET_PARITY, value);
  582: }
  583: 
  584: Static void
  585: ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag)
  586: {
  587: 	int value;
  588: 
  589: 	DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag));
  590: 
  591: 	switch (cflag & CSIZE) {
  592: 	case CS5: value = 0; break;
  593: 	case CS6: value = 1; break;
  594: 	case CS7: value = 2; break;
  595: 	case CS8: value = 3; break;
  596: 	default:
  597: 		printf("%s: ubsa_param: unsupported databits requested, "
  598: 		    "forcing default of 8\n",
  599: 		    USBDEVNAME(sc->sc_ucom.sc_dev));
  600: 		value = 3;
  601: 	}
  602: 
  603: 	ubsa_request(sc, UBSA_SET_DATA_BITS, value);
  604: }
  605: 
  606: Static void
  607: ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag)
  608: {
  609: 	int value;
  610: 
  611: 	DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag));
  612: 
  613: 	value = (cflag & CSTOPB) ? 1 : 0;
  614: 
  615: 	ubsa_request(sc, UBSA_SET_STOP_BITS, value);
  616: }
  617: 
  618: Static void
  619: ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag)
  620: {
  621: 	int value;
  622: 
  623: 	DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag));
  624: 
  625: 	value = 0;
  626: 	if (cflag & CRTSCTS)
  627: 		value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS;
  628: 	if (iflag & (IXON|IXOFF))
  629: 		value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON;
  630: 
  631: 	ubsa_request(sc, UBSA_SET_FLOW_CTRL, value);
  632: }
  633: 
  634: Static int
  635: ubsa_param(void *addr, int portno, struct termios *ti)
  636: {
  637: 	struct ubsa_softc *sc;
  638: 
  639: 	sc = addr;
  640: 
  641: 	DPRINTF(("ubsa_param: sc = %p\n", sc));
  642: 
  643: 	ubsa_baudrate(sc, ti->c_ospeed);
  644: 	ubsa_parity(sc, ti->c_cflag);
  645: 	ubsa_databits(sc, ti->c_cflag);
  646: 	ubsa_stopbits(sc, ti->c_cflag);
  647: 	ubsa_flow(sc, ti->c_cflag, ti->c_iflag);
  648: 
  649: 	return (0);
  650: }
  651: 
  652: Static int
  653: ubsa_open(void *addr, int portno)
  654: {
  655: 	struct ubsa_softc *sc;
  656: 	int err;
  657: 
  658: 	sc = addr;
  659: 	if (sc->sc_ucom.sc_dying)
  660: 		return (ENXIO);
  661: 
  662: 	DPRINTF(("ubsa_open: sc = %p\n", sc));
  663: 
  664: 	if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
  665: 		sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
  666: 		err = usbd_open_pipe_intr(sc->sc_intr_iface,
  667: 		    sc->sc_intr_number,
  668: 		    USBD_SHORT_XFER_OK,
  669: 		    &sc->sc_intr_pipe,
  670: 		    sc,
  671: 		    sc->sc_intr_buf,
  672: 		    sc->sc_isize,
  673: 		    ubsa_intr,
  674: 		    UBSA_INTR_INTERVAL);
  675: 		if (err) {
  676: 			printf("%s: cannot open interrupt pipe (addr %d)\n",
  677: 			    USBDEVNAME(sc->sc_ucom.sc_dev),
  678: 			    sc->sc_intr_number);
  679: 			return (EIO);
  680: 		}
  681: 	}
  682: 
  683: 	return (0);
  684: }
  685: 
  686: Static void
  687: ubsa_close(void *addr, int portno)
  688: {
  689: 	struct ubsa_softc *sc;
  690: 	int err;
  691: 
  692: 	sc = addr;
  693: 	if (sc->sc_ucom.sc_dying)
  694: 		return;
  695: 
  696: 	DPRINTF(("ubsa_close: close\n"));
  697: 
  698: 	if (sc->sc_intr_pipe != NULL) {
  699: 		err = usbd_abort_pipe(sc->sc_intr_pipe);
  700: 		if (err)
  701: 			printf("%s: abort interrupt pipe failed: %s\n",
  702: 			    USBDEVNAME(sc->sc_ucom.sc_dev),
  703: 			    usbd_errstr(err));
  704: 		err = usbd_close_pipe(sc->sc_intr_pipe);
  705: 		if (err)
  706: 			printf("%s: close interrupt pipe failed: %s\n",
  707: 			    USBDEVNAME(sc->sc_ucom.sc_dev),
  708: 			    usbd_errstr(err));
  709: 		free(sc->sc_intr_buf, M_USBDEV);
  710: 		sc->sc_intr_pipe = NULL;
  711: 	}
  712: }
  713: 
  714: Static void
  715: ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
  716: {
  717: 	struct ubsa_softc *sc;
  718: 	u_char *buf;
  719: 
  720: 	sc = priv;
  721: 	buf = sc->sc_intr_buf;
  722: 	if (sc->sc_ucom.sc_dying)
  723: 		return;
  724: 
  725: 	if (status != USBD_NORMAL_COMPLETION) {
  726: 		if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
  727: 			return;
  728: 
  729: 		DPRINTF(("%s: ubsa_intr: abnormal status: %s\n",
  730: 		    USBDEVNAME(sc->sc_ucom.sc_dev),
  731: 		    usbd_errstr(status)));
  732: 		usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
  733: 		return;
  734: 	}
  735: 
  736: 	/* incidentally, Belkin adapter status bits match UART 16550 bits */
  737: 	sc->sc_lsr = buf[2];
  738: 	sc->sc_msr = buf[3];
  739: 
  740: 	DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n",
  741: 	    USBDEVNAME(sc->sc_ucom.sc_dev), sc->sc_lsr, sc->sc_msr));
  742: 
  743: #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
  744: 	swi_sched(sc->sc_swicookie, 0);
  745: #else
  746: 	ubsa_notify(sc);
  747: #endif
  748: }
  749: 
  750: /* Handle delayed events. */
  751: Static void
  752: ubsa_notify(void *arg)
  753: {
  754: 	struct ubsa_softc *sc;
  755: 
  756: 	sc = arg;
  757: 	ucom_status_change(&sc->sc_ucom);
  758: }
  759: 
  760: Static void
  761: ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
  762: {
  763: 	struct ubsa_softc *sc;
  764: 
  765: 	DPRINTF(("ubsa_get_status\n"));
  766: 
  767: 	sc = addr;
  768: 	if (lsr != NULL)
  769: 		*lsr = sc->sc_lsr;
  770: 	if (msr != NULL)
  771: 		*msr = sc->sc_msr;
  772: }