hid2hci: move from udev-extras

5 files changed, 413 insertions, 0 deletions

diff --git a/extras/Makefile.am b/extras/Makefile.am
index 9528e8afa3..e4136ad531 100644
--- a/extras/Makefile.am
+++ b/extras/Makefile.am
@@ -17,5 +17,6 @@ SUBDIRS = \
 if ENABLE_EXTRAS
 SUBDIRS += \
 	udev-acl \
+	hid2hci \
 	gudev
 endif
diff --git a/extras/hid2hci/.gitignore b/extras/hid2hci/.gitignore
new file mode 100644
index 0000000000..efd972905a
--- /dev/null
+++ b/extras/hid2hci/.gitignore
@@ -0,0 +1 @@
+hid2hci
diff --git a/extras/hid2hci/70-hid2hci.rules b/extras/hid2hci/70-hid2hci.rules
new file mode 100644
index 0000000000..2cb2746050
--- /dev/null
+++ b/extras/hid2hci/70-hid2hci.rules
@@ -0,0 +1,25 @@
+# do not edit this file, it will be overwritten on update
+
+ACTION!="add", GOTO="hid2hci_end"
+SUBSYSTEM!="usb", GOTO="hid2hci_end"
+
+# Variety of Dell Bluetooth devices - it looks like a bit of an odd rule,
+# because it is matching on a mouse device that is self powered, but that
+# is where a HID report needs to be sent to switch modes.
+#
+# Known supported devices: 413c:8154, 413c:8158, 413c:8162
+ATTR{bInterfaceProtocol}=="02", ATTRS{idVendor}=="413c", ATTRS{bmAttributes}=="e0", \
+    RUN+="hid2hci --method dell -v $attr{idVendor} -p $attr{idProduct} --mode hci"
+
+ENV{DEVTYPE}!="usb_device", GOTO="hid2hci_end"
+
+# Logitech devices
+ATTR{idVendor}=="046d", ATTR{idProduct}=="c70[345abce]", RUN+="hid2hci --method logitech -v $attr{idVendor} -p $attr{idProduct} --mode hci"
+ATTR{idVendor}=="046d", ATTR{idProduct}=="c71[34bc]", RUN+="hid2hci --method logitech -v $attr{idVendor} -p $attr{idProduct} --mode hci"
+
+# CSR devices (in HID mode)
+ATTR{idVendor}=="0a12", ATTR{idProduct}=="1000", RUN+="hid2hci --method csr -v $attr{idVendor} -p $attr{idProduct} --mode hci"
+ATTR{idVendor}=="0458", ATTR{idProduct}=="1000", RUN+="hid2hci --method csr -v $attr{idVendor} -p $attr{idProduct} --mode hci"
+ATTR{idVendor}=="05ac", ATTR{idProduct}=="1000", RUN+="hid2hci --method csr -v $attr{idVendor} -p $attr{idProduct} --mode hci"
+
+LABEL="hid2hci_end"
diff --git a/extras/hid2hci/Makefile.am b/extras/hid2hci/Makefile.am
new file mode 100644
index 0000000000..45fb840337
--- /dev/null
+++ b/extras/hid2hci/Makefile.am
@@ -0,0 +1,10 @@
+include $(top_srcdir)/Makefile.am.inc
+
+udevhomedir = $(udev_prefix)/lib/udev
+udevhome_PROGRAMS = hid2hci
+
+udevrulesdir = $(udev_prefix)/lib/udev/rules.d
+dist_udevrules_DATA = 70-hid2hci.rules
+
+hid2hci_SOURCES = hid2hci.c
+hid2hci_LDADD = @LIBUSB_LIBS@
diff --git a/extras/hid2hci/hid2hci.c b/extras/hid2hci/hid2hci.c
new file mode 100644
index 0000000000..aa44790f2b
--- /dev/null
+++ b/extras/hid2hci/hid2hci.c
@@ -0,0 +1,376 @@
+/*
+ *
+ *  hid2hci : a tool for switching the radio on devices that support
+ *                      it from HID to HCI and back
+ *
+ *  Copyright (C) 2003-2009  Marcel Holtmann <marcel@holtmann.org>
+ *  Copyright (C) 2008-2009  Mario Limonciello <mario_limonciello@dell.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <string.h>
+#include <getopt.h>
+#include <sys/ioctl.h>
+
+#include <usb.h>
+
+#ifdef NEED_USB_GET_BUSSES
+static inline struct usb_bus *usb_get_busses(void)
+{
+	return usb_busses;
+}
+#endif
+
+#ifndef USB_DIR_OUT
+#define USB_DIR_OUT	0x00
+#endif
+
+static char devpath[PATH_MAX + 1] = "/dev";
+
+struct hiddev_devinfo {
+	unsigned int bustype;
+	unsigned int busnum;
+	unsigned int devnum;
+	unsigned int ifnum;
+	short vendor;
+	short product;
+	short version;
+	unsigned num_applications;
+};
+
+struct hiddev_report_info {
+	unsigned report_type;
+	unsigned report_id;
+	unsigned num_fields;
+};
+
+typedef __signed__ int __s32;
+
+struct hiddev_usage_ref {
+	unsigned report_type;
+	unsigned report_id;
+	unsigned field_index;
+	unsigned usage_index;
+	unsigned usage_code;
+	__s32 value;
+};
+
+#define HIDIOCGDEVINFO		_IOR('H', 0x03, struct hiddev_devinfo)
+#define HIDIOCINITREPORT	_IO('H', 0x05)
+#define HIDIOCSREPORT		_IOW('H', 0x08, struct hiddev_report_info)
+#define HIDIOCSUSAGE		_IOW('H', 0x0C, struct hiddev_usage_ref)
+
+#define HID_REPORT_TYPE_OUTPUT	2
+
+#define HCI 0
+#define HID 1
+
+struct device_info {
+	struct usb_device *dev;
+	int mode;
+	uint16_t vendor;
+	uint16_t product;
+};
+
+static int switch_csr(struct device_info *devinfo)
+{
+	struct usb_dev_handle *udev;
+	int err;
+
+	udev = usb_open(devinfo->dev);
+	if (!udev)
+		return -errno;
+
+	err = usb_control_msg(udev, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				0, devinfo->mode, 0, NULL, 0, 10000);
+
+	if (err == 0) {
+		err = -1;
+		errno = EALREADY;
+	} else {
+		if (errno == ETIMEDOUT)
+			err = 0;
+	}
+
+	usb_close(udev);
+
+	return err;
+}
+
+static int send_report(int fd, const char *buf, size_t size)
+{
+	struct hiddev_report_info rinfo;
+	struct hiddev_usage_ref uref;
+	unsigned int i;
+	int err;
+
+	for (i = 0; i < size; i++) {
+		memset(&uref, 0, sizeof(uref));
+		uref.report_type = HID_REPORT_TYPE_OUTPUT;
+		uref.report_id   = 0x10;
+		uref.field_index = 0;
+		uref.usage_index = i;
+		uref.usage_code  = 0xff000001;
+		uref.value       = buf[i] & 0x000000ff;
+		err = ioctl(fd, HIDIOCSUSAGE, &uref);
+		if (err < 0)
+			return err;
+	}
+
+	memset(&rinfo, 0, sizeof(rinfo));
+	rinfo.report_type = HID_REPORT_TYPE_OUTPUT;
+	rinfo.report_id   = 0x10;
+	rinfo.num_fields  = 1;
+	err = ioctl(fd, HIDIOCSREPORT, &rinfo);
+
+	return err;
+}
+
+static int switch_logitech(struct device_info *devinfo)
+{
+	char devname[PATH_MAX + 1];
+	int i, fd, err = -1;
+
+	for (i = 0; i < 16; i++) {
+		struct hiddev_devinfo dinfo;
+		char rep1[] = { 0xff, 0x80, 0x80, 0x01, 0x00, 0x00 };
+		char rep2[] = { 0xff, 0x80, 0x00, 0x00, 0x30, 0x00 };
+		char rep3[] = { 0xff, 0x81, 0x80, 0x00, 0x00, 0x00 };
+
+		sprintf(devname, "%s/hiddev%d", devpath, i);
+		fd = open(devname, O_RDWR);
+		if (fd < 0) {
+			sprintf(devname, "%s/usb/hiddev%d", devpath, i);
+			fd = open(devname, O_RDWR);
+			if (fd < 0) {
+				sprintf(devname, "%s/usb/hid/hiddev%d", devpath, i);
+				fd = open(devname, O_RDWR);
+				if (fd < 0)
+					continue;
+			}
+		}
+
+		memset(&dinfo, 0, sizeof(dinfo));
+		err = ioctl(fd, HIDIOCGDEVINFO, &dinfo);
+		if (err < 0 || (int) dinfo.busnum != atoi(devinfo->dev->bus->dirname) ||
+				(int) dinfo.devnum != atoi(devinfo->dev->filename)) {
+			close(fd);
+			continue;
+		}
+
+		err = ioctl(fd, HIDIOCINITREPORT, 0);
+		if (err < 0) {
+			close(fd);
+			break;
+		}
+
+		err = send_report(fd, rep1, sizeof(rep1));
+		if (err < 0) {
+			close(fd);
+			break;
+		}
+
+		err = send_report(fd, rep2, sizeof(rep2));
+		if (err < 0) {
+			close(fd);
+			break;
+		}
+
+		err = send_report(fd, rep3, sizeof(rep3));
+		close(fd);
+		break;
+	}
+
+	return err;
+}
+
+static int switch_dell(struct device_info *devinfo)
+{
+	char report[] = { 0x7f, 0x00, 0x00, 0x00 };
+
+	struct usb_dev_handle *handle;
+	int err;
+
+	switch (devinfo->mode) {
+	case HCI:
+		report[1] = 0x13;
+		break;
+	case HID:
+		report[1] = 0x14;
+		break;
+	}
+
+	handle = usb_open(devinfo->dev);
+	if (!handle)
+		return -EIO;
+
+	/* Don't need to check return, as might not be in use */
+	usb_detach_kernel_driver_np(handle, 0);
+
+	if (usb_claim_interface(handle, 0) < 0) {
+		usb_close(handle);
+		return -EIO;
+	}
+
+	err = usb_control_msg(handle,
+		USB_ENDPOINT_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			USB_REQ_SET_CONFIGURATION, 0x7f | (0x03 << 8), 0,
+						report, sizeof(report), 5000);
+
+	if (err == 0) {
+		err = -1;
+		errno = EALREADY;
+	} else {
+		if (errno == ETIMEDOUT)
+			err = 0;
+	}
+
+	usb_close(handle);
+
+	return err;
+}
+
+static int find_device(struct device_info* devinfo)
+{
+	struct usb_bus *bus;
+	struct usb_device *dev;
+
+	usb_find_busses();
+	usb_find_devices();
+
+	for (bus = usb_get_busses(); bus; bus = bus->next)
+		for (dev = bus->devices; dev; dev = dev->next) {
+			if (dev->descriptor.idVendor == devinfo->vendor &&
+			    dev->descriptor.idProduct == devinfo->product) {
+				devinfo->dev=dev;
+				return 1;
+			}
+		}
+	return 0;
+}
+
+static void usage(char* error)
+{
+	if (error)
+		fprintf(stderr,"\n%s\n", error);
+	else
+		printf("hid2hci - Bluetooth HID to HCI mode switching utility\n\n");
+
+	printf("Usage:\n"
+		"\thid2hci [options]\n"
+		"\n");
+
+	printf("Options:\n"
+		"\t-h, --help           Display help\n"
+		"\t-q, --quiet          Don't display any messages\n"
+		"\t-r, --mode=          Mode to switch to [hid, hci]\n"
+		"\t-v, --vendor=        Vendor ID to act upon\n"
+		"\t-p, --product=       Product ID to act upon\n"
+		"\t-m, --method=        Method to use to switch [csr, logitech, dell]\n"
+		"\n");
+	if (error)
+		exit(1);
+}
+
+static const struct option main_options[] = {
+	{ "help",	no_argument, 0, 'h' },
+	{ "quiet",	no_argument, 0, 'q' },
+	{ "mode",	required_argument, 0, 'r' },
+	{ "vendor",	required_argument, 0, 'v' },
+	{ "product",	required_argument, 0, 'p' },
+	{ "method",	required_argument, 0, 'm' },
+	{ 0, 0, 0, 0 }
+};
+
+int main(int argc, char *argv[])
+{
+	struct device_info dev = { NULL, HCI, 0, 0 };
+	int opt, quiet = 0;
+	int (*method)(struct device_info *dev) = NULL;
+
+	while ((opt = getopt_long(argc, argv, "+r:v:p:m:qh", main_options, NULL)) != -1) {
+		switch (opt) {
+		case 'r':
+			if (optarg && !strcmp(optarg, "hid"))
+				dev.mode = HID;
+			else if (optarg && !strcmp(optarg, "hci"))
+				dev.mode = HCI;
+			else
+				usage("ERROR: Undefined radio mode\n");
+			break;
+		case 'v':
+			sscanf(optarg, "%4hx", &dev.vendor);
+			break;
+		case 'p':
+			sscanf(optarg, "%4hx", &dev.product);
+			break;
+		case 'm':
+			if (optarg && !strcmp(optarg, "csr"))
+				method = switch_csr;
+			else if (optarg && !strcmp(optarg, "logitech"))
+				method = switch_logitech;
+			else if (optarg && !strcmp(optarg, "dell"))
+				method = switch_dell;
+			else
+				usage("ERROR: Undefined switching method\n");
+			break;
+		case 'q':
+			quiet = 1;
+			break;
+		case 'h':
+			usage(NULL);
+		default:
+			exit(0);
+		}
+	}
+
+	if (!quiet && (!dev.vendor || !dev.product || !method))
+		usage("ERROR: Vendor ID, Product ID, and Switching Method must all be defined.\n");
+
+	argc -= optind;
+	argv += optind;
+	optind = 0;
+
+	usb_init();
+
+	if (!find_device(&dev)) {
+		if (!quiet)
+			fprintf(stderr, "Device %04x:%04x not found on USB bus.\n",
+				dev.vendor, dev.product);
+		exit(1);
+	}
+
+	if (!quiet)
+		printf("Attempting to switch device %04x:%04x to %s mode ",
+			dev.vendor, dev.product, dev.mode ? "HID" : "HCI");
+	fflush(stdout);
+
+	if (method(&dev) < 0 && !quiet)
+		printf("failed (%s)\n", strerror(errno));
+	else if (!quiet)
+		printf("was successful\n");
+
+	return errno;
+}