a5c89047c0
NetBSD Foundation Membership still pending.) This stack was written by Iain under sponsorship from Itronix Inc. The stack includes support for rfcomm networking (networking via your bluetooth enabled cell phone), hid devices (keyboards/mice), and headsets. Drivers for both PCMCIA and USB bluetooth controllers are included.
246 lines
6.3 KiB
C
246 lines
6.3 KiB
C
/* $NetBSD: bthub.c,v 1.1 2006/06/19 15:44:45 gdamore Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2006 Itronix Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Written by Iain Hibbert for Itronix Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of Itronix Inc. may not be used to endorse
|
|
* or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: bthub.c,v 1.1 2006/06/19 15:44:45 gdamore Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/device.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <netbt/bluetooth.h>
|
|
#include <netbt/l2cap.h>
|
|
|
|
#include <dev/bluetooth/btdev.h>
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* Bluetooth HUB pseudo-device
|
|
*
|
|
* The Bluetooth hub is a conventent place to hang devices that are
|
|
* actually sitting on top of the protocol stack, and not necessarily
|
|
* attached to any particular bluetooth interface.
|
|
*/
|
|
|
|
struct bthub_softc {
|
|
struct device sc_dev;
|
|
LIST_HEAD(,btdev) sc_list;
|
|
};
|
|
|
|
/* our pseudo-device hook */
|
|
static struct bthub_softc *hook;
|
|
|
|
/* pseudo-device initialization */
|
|
void bthubattach(int);
|
|
|
|
/* autoconf(9) glue */
|
|
static int bthub_match(struct device *, struct cfdata *, void *);
|
|
static void bthub_attach(struct device *, struct device *, void *);
|
|
static int bthub_detach(struct device *, int);
|
|
static int bthub_print(void *, const char *);
|
|
|
|
CFATTACH_DECL(bthub, sizeof(struct bthub_softc),
|
|
bthub_match, bthub_attach, bthub_detach, NULL);
|
|
|
|
/* pseudo-device control */
|
|
dev_type_ioctl(bthubioctl);
|
|
|
|
const struct cdevsw bthub_cdevsw = {
|
|
nullopen, nullclose, noread, nowrite, bthubioctl,
|
|
nostop, notty, nopoll, nommap, nokqfilter,
|
|
};
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* bthub init routine called at system boot
|
|
*
|
|
* we take this opportunity to hang a real device on our hook
|
|
* so that we can operate like a proper parent to our children.
|
|
*/
|
|
|
|
extern struct cfdriver bthub_cd;
|
|
|
|
static struct cfdata bthub_cfdata = {
|
|
.cf_name = "bthub",
|
|
.cf_atname = "bthub",
|
|
.cf_unit = DVUNIT_ANY,
|
|
.cf_fstate = FSTATE_STAR,
|
|
};
|
|
|
|
void
|
|
bthubattach(int num)
|
|
{
|
|
int err;
|
|
|
|
err = config_cfattach_attach(bthub_cd.cd_name, &bthub_ca);
|
|
if (err) {
|
|
aprint_error("%s: unable to register cfattach (%d)\n",
|
|
bthub_cd.cd_name, err);
|
|
|
|
config_cfdriver_detach(&bthub_cd);
|
|
return;
|
|
}
|
|
|
|
hook = (struct bthub_softc *)config_attach_pseudo(&bthub_cfdata);
|
|
if (hook == NULL) {
|
|
aprint_error("%s: unable to attach bthub hook(%d)\n",
|
|
bthub_cd.cd_name, err);
|
|
|
|
config_cfattach_detach(bthub_cd.cd_name, &bthub_ca);
|
|
config_cfdriver_detach(&bthub_cd);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* bthub autoconf(9) routines
|
|
*
|
|
* This is the real device hanging on our hook. Only the
|
|
* attach function will ever be called, I guess.
|
|
*/
|
|
|
|
static int
|
|
bthub_match(struct device *self, struct cfdata *cfdata, void *arg)
|
|
{
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
bthub_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct bthub_softc *sc = (struct bthub_softc *)self;
|
|
|
|
LIST_INIT(&sc->sc_list);
|
|
}
|
|
|
|
static int
|
|
bthub_detach(struct device *self, int flags)
|
|
{
|
|
struct bthub_softc *sc = (struct bthub_softc *)self;
|
|
struct btdev *btdev;
|
|
|
|
while ((btdev = LIST_FIRST(&sc->sc_list)) != NULL) {
|
|
LIST_REMOVE(btdev, sc_next);
|
|
config_detach(&btdev->sc_dev, flags);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* bthub control device ioctl(2)
|
|
*
|
|
* This is the method we use to control bluetooth devices,
|
|
* called from userland.
|
|
*/
|
|
|
|
int
|
|
bthubioctl(dev_t devno, unsigned long cmd, caddr_t data, int flag, struct lwp *l)
|
|
{
|
|
struct btdev_attach_args *bda;
|
|
struct btdev *btdev;
|
|
bdaddr_t *bdaddr;
|
|
|
|
if (hook == NULL)
|
|
return ENXIO;
|
|
|
|
switch (cmd) {
|
|
case BTDEV_ATTACH: /* attach BTDEV */
|
|
bda = (struct btdev_attach_args *)data;
|
|
|
|
/*
|
|
* validate our configuration
|
|
*/
|
|
if (bdaddr_any(&bda->bd_raddr)
|
|
|| bda->bd_type == 0)
|
|
return EINVAL;
|
|
|
|
LIST_FOREACH(btdev, &hook->sc_list, sc_next) {
|
|
if (bdaddr_same(&btdev->sc_addr, &bda->bd_raddr))
|
|
return EADDRINUSE;
|
|
}
|
|
|
|
btdev = (struct btdev *)config_found((struct device *)hook,
|
|
bda, bthub_print);
|
|
if (btdev == NULL)
|
|
return ENXIO;
|
|
|
|
bdaddr_copy(&btdev->sc_addr, &bda->bd_raddr);
|
|
LIST_INSERT_HEAD(&hook->sc_list, btdev, sc_next);
|
|
return 0;
|
|
|
|
case BTDEV_DETACH: /* detach BTDEV */
|
|
bdaddr = (bdaddr_t *)data;
|
|
|
|
LIST_FOREACH(btdev, &hook->sc_list, sc_next) {
|
|
if (bdaddr_same(bdaddr, &btdev->sc_addr) == 0)
|
|
continue;
|
|
|
|
LIST_REMOVE(btdev, sc_next);
|
|
config_detach((struct device *)btdev, DETACH_FORCE);
|
|
return 0;
|
|
}
|
|
return ENXIO;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return EPASSTHROUGH;
|
|
}
|
|
|
|
static int
|
|
bthub_print(void *aux, const char *pnp)
|
|
{
|
|
struct btdev_attach_args *bda = aux;
|
|
|
|
if (pnp != NULL)
|
|
aprint_normal("%s: ", pnp);
|
|
|
|
aprint_verbose(" bdaddr %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
|
|
bda->bd_raddr.b[5], bda->bd_raddr.b[4],
|
|
bda->bd_raddr.b[3], bda->bd_raddr.b[2],
|
|
bda->bd_raddr.b[1], bda->bd_raddr.b[0]);
|
|
|
|
return UNCONF;
|
|
}
|