hid2hci: move from udev-extras
This commit is contained in:
Mario Limonciello
committed by
Kay Sievers
Kay Sievers
parent
0303f35723
commit
be51950dc4
@@ -68,6 +68,10 @@ if test "x$enable_extras" = xyes; then
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AC_CHECK_LIB([acl], [acl_init], [:], AC_MSG_ERROR([libacl not found]))
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AC_CHECK_HEADER([acl/libacl.h], [:], AC_MSG_ERROR([libacl header not found]))
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PKG_CHECK_MODULES(LIBUSB, libusb >= 0.1.12)
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AC_SUBST(LIBUSB_CFLAGS)
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AC_SUBST(LIBUSB_LIBS)
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fi
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AM_CONDITIONAL([ENABLE_EXTRAS], [test "x$enable_extras" = xyes])
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@@ -107,6 +111,7 @@ AC_CONFIG_FILES([
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extras/scsi_id/Makefile
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extras/usb_id/Makefile
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extras/v4l_id/Makefile
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extras/hid2hci/Makefile
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extras/udev-acl/Makefile
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extras/gudev/Makefile
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extras/gudev/gudev-1.0.pc
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@@ -17,5 +17,6 @@ SUBDIRS = \
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if ENABLE_EXTRAS
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SUBDIRS += \
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udev-acl \
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hid2hci \
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gudev
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endif
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@@ -0,0 +1 @@
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hid2hci
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@@ -0,0 +1,25 @@
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# do not edit this file, it will be overwritten on update
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ACTION!="add", GOTO="hid2hci_end"
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SUBSYSTEM!="usb", GOTO="hid2hci_end"
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# Variety of Dell Bluetooth devices - it looks like a bit of an odd rule,
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# because it is matching on a mouse device that is self powered, but that
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# is where a HID report needs to be sent to switch modes.
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#
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# Known supported devices: 413c:8154, 413c:8158, 413c:8162
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ATTR{bInterfaceProtocol}=="02", ATTRS{idVendor}=="413c", ATTRS{bmAttributes}=="e0", \
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RUN+="hid2hci --method dell -v $attr{idVendor} -p $attr{idProduct} --mode hci"
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ENV{DEVTYPE}!="usb_device", GOTO="hid2hci_end"
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# Logitech devices
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ATTR{idVendor}=="046d", ATTR{idProduct}=="c70[345abce]", RUN+="hid2hci --method logitech -v $attr{idVendor} -p $attr{idProduct} --mode hci"
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ATTR{idVendor}=="046d", ATTR{idProduct}=="c71[34bc]", RUN+="hid2hci --method logitech -v $attr{idVendor} -p $attr{idProduct} --mode hci"
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# CSR devices (in HID mode)
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ATTR{idVendor}=="0a12", ATTR{idProduct}=="1000", RUN+="hid2hci --method csr -v $attr{idVendor} -p $attr{idProduct} --mode hci"
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ATTR{idVendor}=="0458", ATTR{idProduct}=="1000", RUN+="hid2hci --method csr -v $attr{idVendor} -p $attr{idProduct} --mode hci"
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ATTR{idVendor}=="05ac", ATTR{idProduct}=="1000", RUN+="hid2hci --method csr -v $attr{idVendor} -p $attr{idProduct} --mode hci"
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LABEL="hid2hci_end"
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@@ -0,0 +1,10 @@
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include $(top_srcdir)/Makefile.am.inc
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udevhomedir = $(udev_prefix)/lib/udev
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udevhome_PROGRAMS = hid2hci
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udevrulesdir = $(udev_prefix)/lib/udev/rules.d
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dist_udevrules_DATA = 70-hid2hci.rules
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hid2hci_SOURCES = hid2hci.c
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hid2hci_LDADD = @LIBUSB_LIBS@
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@@ -0,0 +1,376 @@
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/*
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*
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* hid2hci : a tool for switching the radio on devices that support
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* it from HID to HCI and back
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*
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* Copyright (C) 2003-2009 Marcel Holtmann <marcel@holtmann.org>
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* Copyright (C) 2008-2009 Mario Limonciello <mario_limonciello@dell.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <string.h>
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#include <getopt.h>
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#include <sys/ioctl.h>
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#include <usb.h>
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#ifdef NEED_USB_GET_BUSSES
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static inline struct usb_bus *usb_get_busses(void)
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{
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return usb_busses;
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}
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#endif
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#ifndef USB_DIR_OUT
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#define USB_DIR_OUT 0x00
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#endif
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static char devpath[PATH_MAX + 1] = "/dev";
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struct hiddev_devinfo {
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unsigned int bustype;
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unsigned int busnum;
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unsigned int devnum;
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unsigned int ifnum;
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short vendor;
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short product;
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short version;
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unsigned num_applications;
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};
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struct hiddev_report_info {
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unsigned report_type;
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unsigned report_id;
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unsigned num_fields;
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};
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typedef __signed__ int __s32;
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struct hiddev_usage_ref {
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unsigned report_type;
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unsigned report_id;
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unsigned field_index;
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unsigned usage_index;
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unsigned usage_code;
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__s32 value;
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};
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#define HIDIOCGDEVINFO _IOR('H', 0x03, struct hiddev_devinfo)
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#define HIDIOCINITREPORT _IO('H', 0x05)
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#define HIDIOCSREPORT _IOW('H', 0x08, struct hiddev_report_info)
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#define HIDIOCSUSAGE _IOW('H', 0x0C, struct hiddev_usage_ref)
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#define HID_REPORT_TYPE_OUTPUT 2
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#define HCI 0
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#define HID 1
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struct device_info {
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struct usb_device *dev;
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int mode;
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uint16_t vendor;
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uint16_t product;
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};
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static int switch_csr(struct device_info *devinfo)
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{
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struct usb_dev_handle *udev;
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int err;
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udev = usb_open(devinfo->dev);
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if (!udev)
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return -errno;
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err = usb_control_msg(udev, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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0, devinfo->mode, 0, NULL, 0, 10000);
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if (err == 0) {
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err = -1;
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errno = EALREADY;
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} else {
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if (errno == ETIMEDOUT)
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err = 0;
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}
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usb_close(udev);
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return err;
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}
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static int send_report(int fd, const char *buf, size_t size)
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{
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struct hiddev_report_info rinfo;
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struct hiddev_usage_ref uref;
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unsigned int i;
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int err;
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for (i = 0; i < size; i++) {
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memset(&uref, 0, sizeof(uref));
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uref.report_type = HID_REPORT_TYPE_OUTPUT;
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uref.report_id = 0x10;
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uref.field_index = 0;
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uref.usage_index = i;
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uref.usage_code = 0xff000001;
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uref.value = buf[i] & 0x000000ff;
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err = ioctl(fd, HIDIOCSUSAGE, &uref);
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if (err < 0)
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return err;
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}
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memset(&rinfo, 0, sizeof(rinfo));
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rinfo.report_type = HID_REPORT_TYPE_OUTPUT;
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rinfo.report_id = 0x10;
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rinfo.num_fields = 1;
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err = ioctl(fd, HIDIOCSREPORT, &rinfo);
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return err;
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}
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static int switch_logitech(struct device_info *devinfo)
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{
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char devname[PATH_MAX + 1];
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int i, fd, err = -1;
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for (i = 0; i < 16; i++) {
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struct hiddev_devinfo dinfo;
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char rep1[] = { 0xff, 0x80, 0x80, 0x01, 0x00, 0x00 };
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char rep2[] = { 0xff, 0x80, 0x00, 0x00, 0x30, 0x00 };
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char rep3[] = { 0xff, 0x81, 0x80, 0x00, 0x00, 0x00 };
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sprintf(devname, "%s/hiddev%d", devpath, i);
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fd = open(devname, O_RDWR);
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if (fd < 0) {
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sprintf(devname, "%s/usb/hiddev%d", devpath, i);
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fd = open(devname, O_RDWR);
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if (fd < 0) {
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sprintf(devname, "%s/usb/hid/hiddev%d", devpath, i);
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fd = open(devname, O_RDWR);
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if (fd < 0)
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continue;
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}
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}
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memset(&dinfo, 0, sizeof(dinfo));
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err = ioctl(fd, HIDIOCGDEVINFO, &dinfo);
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if (err < 0 || (int) dinfo.busnum != atoi(devinfo->dev->bus->dirname) ||
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(int) dinfo.devnum != atoi(devinfo->dev->filename)) {
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close(fd);
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continue;
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}
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err = ioctl(fd, HIDIOCINITREPORT, 0);
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if (err < 0) {
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close(fd);
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break;
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}
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err = send_report(fd, rep1, sizeof(rep1));
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if (err < 0) {
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close(fd);
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break;
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}
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err = send_report(fd, rep2, sizeof(rep2));
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if (err < 0) {
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close(fd);
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break;
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}
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err = send_report(fd, rep3, sizeof(rep3));
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close(fd);
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break;
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}
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return err;
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}
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static int switch_dell(struct device_info *devinfo)
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{
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char report[] = { 0x7f, 0x00, 0x00, 0x00 };
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struct usb_dev_handle *handle;
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int err;
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switch (devinfo->mode) {
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case HCI:
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report[1] = 0x13;
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break;
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case HID:
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report[1] = 0x14;
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break;
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}
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handle = usb_open(devinfo->dev);
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if (!handle)
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return -EIO;
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/* Don't need to check return, as might not be in use */
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usb_detach_kernel_driver_np(handle, 0);
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if (usb_claim_interface(handle, 0) < 0) {
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usb_close(handle);
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return -EIO;
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}
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err = usb_control_msg(handle,
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USB_ENDPOINT_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
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USB_REQ_SET_CONFIGURATION, 0x7f | (0x03 << 8), 0,
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report, sizeof(report), 5000);
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if (err == 0) {
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err = -1;
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errno = EALREADY;
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} else {
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if (errno == ETIMEDOUT)
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err = 0;
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}
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usb_close(handle);
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return err;
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}
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static int find_device(struct device_info* devinfo)
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{
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struct usb_bus *bus;
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struct usb_device *dev;
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usb_find_busses();
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usb_find_devices();
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for (bus = usb_get_busses(); bus; bus = bus->next)
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for (dev = bus->devices; dev; dev = dev->next) {
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if (dev->descriptor.idVendor == devinfo->vendor &&
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dev->descriptor.idProduct == devinfo->product) {
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devinfo->dev=dev;
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return 1;
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}
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}
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return 0;
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}
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static void usage(char* error)
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{
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if (error)
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fprintf(stderr,"\n%s\n", error);
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else
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printf("hid2hci - Bluetooth HID to HCI mode switching utility\n\n");
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printf("Usage:\n"
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"\thid2hci [options]\n"
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"\n");
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printf("Options:\n"
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"\t-h, --help Display help\n"
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"\t-q, --quiet Don't display any messages\n"
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"\t-r, --mode= Mode to switch to [hid, hci]\n"
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"\t-v, --vendor= Vendor ID to act upon\n"
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"\t-p, --product= Product ID to act upon\n"
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"\t-m, --method= Method to use to switch [csr, logitech, dell]\n"
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"\n");
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if (error)
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exit(1);
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}
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static const struct option main_options[] = {
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{ "help", no_argument, 0, 'h' },
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{ "quiet", no_argument, 0, 'q' },
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{ "mode", required_argument, 0, 'r' },
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{ "vendor", required_argument, 0, 'v' },
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{ "product", required_argument, 0, 'p' },
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{ "method", required_argument, 0, 'm' },
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{ 0, 0, 0, 0 }
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};
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int main(int argc, char *argv[])
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{
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struct device_info dev = { NULL, HCI, 0, 0 };
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int opt, quiet = 0;
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int (*method)(struct device_info *dev) = NULL;
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while ((opt = getopt_long(argc, argv, "+r:v:p:m:qh", main_options, NULL)) != -1) {
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switch (opt) {
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case 'r':
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if (optarg && !strcmp(optarg, "hid"))
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dev.mode = HID;
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else if (optarg && !strcmp(optarg, "hci"))
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dev.mode = HCI;
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else
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usage("ERROR: Undefined radio mode\n");
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break;
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case 'v':
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sscanf(optarg, "%4hx", &dev.vendor);
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break;
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case 'p':
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sscanf(optarg, "%4hx", &dev.product);
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break;
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case 'm':
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if (optarg && !strcmp(optarg, "csr"))
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method = switch_csr;
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else if (optarg && !strcmp(optarg, "logitech"))
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method = switch_logitech;
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else if (optarg && !strcmp(optarg, "dell"))
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method = switch_dell;
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else
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usage("ERROR: Undefined switching method\n");
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break;
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case 'q':
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quiet = 1;
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break;
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case 'h':
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usage(NULL);
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default:
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exit(0);
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}
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}
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if (!quiet && (!dev.vendor || !dev.product || !method))
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usage("ERROR: Vendor ID, Product ID, and Switching Method must all be defined.\n");
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argc -= optind;
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argv += optind;
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optind = 0;
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usb_init();
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if (!find_device(&dev)) {
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if (!quiet)
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fprintf(stderr, "Device %04x:%04x not found on USB bus.\n",
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dev.vendor, dev.product);
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exit(1);
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}
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if (!quiet)
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printf("Attempting to switch device %04x:%04x to %s mode ",
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dev.vendor, dev.product, dev.mode ? "HID" : "HCI");
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fflush(stdout);
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if (method(&dev) < 0 && !quiet)
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printf("failed (%s)\n", strerror(errno));
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else if (!quiet)
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printf("was successful\n");
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return errno;
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}
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