250 lines
6.7 KiB
C
250 lines
6.7 KiB
C
/* $NetBSD: ubt.c,v 1.4 2003/01/05 03:48:18 dsainty Exp $ */
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/*
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.4 2003/01/05 03:48:18 dsainty Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/lock.h>
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#include <sys/ioctl.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/poll.h>
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#include <sys/select.h>
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#include <sys/proc.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/bluetooth/bluetooth.h>
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#ifdef UBT_DEBUG
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#define DPRINTF(x) if (ubtdebug) logprintf x
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#define DPRINTFN(n,x) if (ubtdebug>(n)) logprintf x
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int ubtdebug = 1;
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n,x)
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#endif
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/*
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* Protocol related definitions
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*/
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struct ubt_softc {
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USBBASEDEVICE sc_dev;
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usbd_device_handle sc_udev;
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usbd_interface_handle sc_ctl_iface;
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usbd_interface_handle sc_isoc_iface;
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int sc_rd_addr;
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usbd_pipe_handle sc_rd_pipe;
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int sc_wr_addr;
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usbd_pipe_handle sc_wr_pipe;
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struct device *sc_child;
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int sc_refcnt;
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char sc_dying;
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};
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USB_DECLARE_DRIVER(ubt);
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USB_MATCH(ubt)
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{
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USB_MATCH_START(ubt, uaa);
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usb_interface_descriptor_t *id;
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DPRINTFN(50,("ubt_match\n"));
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if (uaa->iface == NULL)
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return (UMATCH_NONE);
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id = usbd_get_interface_descriptor(uaa->iface);
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if (id != NULL &&
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id->bInterfaceClass == UICLASS_WIRELESS &&
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id->bInterfaceSubClass == UISUBCLASS_RF &&
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id->bInterfaceProtocol == UIPROTO_BLUETOOTH)
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return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
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return (UMATCH_NONE);
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}
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USB_ATTACH(ubt)
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{
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USB_ATTACH_START(ubt, sc, uaa);
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usbd_device_handle dev = uaa->device;
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usbd_interface_handle iface = uaa->iface;
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struct bt_attach_args bt;
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usb_interface_descriptor_t *id;
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char devinfo[1024];
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usb_endpoint_descriptor_t *ed;
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u_int8_t epcount;
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int i;
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DPRINTFN(10,("ubt_attach: sc=%p\n", sc));
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usbd_devinfo(dev, 0, devinfo);
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USB_ATTACH_SETUP;
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printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo);
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sc->sc_udev = dev;
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sc->sc_ctl_iface = iface;
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/*
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* The control interface comes before the isoc interface
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* according to the spec, so we find it first.
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*/
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epcount = 0;
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(void)usbd_endpoint_count(iface, &epcount);
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sc->sc_rd_addr = -1;
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sc->sc_wr_addr = -1;
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for (i = 0; i < epcount; i++) {
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ed = usbd_interface2endpoint_descriptor(iface, i);
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if (ed == NULL) {
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printf("%s: couldn't get ep %d\n",
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USBDEVNAME(sc->sc_dev), i);
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USB_ATTACH_ERROR_RETURN;
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}
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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sc->sc_rd_addr = ed->bEndpointAddress;
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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sc->sc_wr_addr = ed->bEndpointAddress;
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}
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}
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#if 0
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if (sc->sc_rd_addr == -1 || sc->sc_wr_addr == -1) {
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printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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#endif
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/* XXX works because isoc comes after ctl */
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/* Grab isoc interface as well. */
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for (i = 0; i < uaa->nifaces; i++) {
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if (uaa->ifaces[i] == NULL)
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continue;
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id = usbd_get_interface_descriptor(uaa->ifaces[i]);
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if (id != NULL &&
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id->bInterfaceClass == UICLASS_WIRELESS &&
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id->bInterfaceSubClass == UISUBCLASS_RF &&
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id->bInterfaceProtocol == UIPROTO_BLUETOOTH) {
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sc->sc_isoc_iface = uaa->ifaces[i];
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uaa->ifaces[i] = NULL;
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}
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}
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printf("%s: has%s isoc data\n", USBDEVNAME(sc->sc_dev),
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sc->sc_isoc_iface != NULL ? "" : " no");
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usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
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USBDEV(sc->sc_dev));
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sc->sc_child = config_found(self, &bt, bt_print);
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USB_ATTACH_SUCCESS_RETURN;
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}
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USB_DETACH(ubt)
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{
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USB_DETACH_START(ubt, sc);
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int s;
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int rv = 0;
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DPRINTF(("ubt_detach: sc=%p flags=%d\n", sc, flags));
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sc->sc_dying = 1;
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/* Abort all pipes. Causes processes waiting for transfer to wake. */
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if (sc->sc_rd_pipe != NULL) {
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usbd_abort_pipe(sc->sc_rd_pipe);
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usbd_close_pipe(sc->sc_rd_pipe);
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sc->sc_rd_pipe = NULL;
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}
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if (sc->sc_wr_pipe != NULL) {
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usbd_abort_pipe(sc->sc_wr_pipe);
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usbd_close_pipe(sc->sc_wr_pipe);
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sc->sc_wr_pipe = NULL;
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}
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#if 0
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wakeup(&sc->sc_rd_count);
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#endif
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s = splusb();
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if (--sc->sc_refcnt >= 0) {
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/* Wait for processes to go away. */
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usb_detach_wait(USBDEV(sc->sc_dev));
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}
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splx(s);
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if (sc->sc_child != NULL) {
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rv = config_detach(sc->sc_child, flags);
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sc->sc_child = NULL;
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}
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usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
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USBDEV(sc->sc_dev));
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return (rv);
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}
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int
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ubt_activate(device_ptr_t self, enum devact act)
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{
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struct ubt_softc *sc = (struct ubt_softc *)self;
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int error = 0;
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switch (act) {
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case DVACT_ACTIVATE:
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return (EOPNOTSUPP);
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break;
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case DVACT_DEACTIVATE:
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sc->sc_dying = 1;
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if (sc->sc_child != NULL)
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error = config_deactivate(sc->sc_child);
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break;
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}
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return (error);
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}
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