chiark / gitweb /
hid2hci: move from udev-extras
authorMario Limonciello <mario_limonciello@dell.com>
Tue, 16 Jun 2009 17:30:22 +0000 (19:30 +0200)
committerKay Sievers <kay.sievers@vrfy.org>
Tue, 16 Jun 2009 17:30:22 +0000 (19:30 +0200)
configure.ac
extras/Makefile.am
extras/hid2hci/.gitignore [new file with mode: 0644]
extras/hid2hci/70-hid2hci.rules [new file with mode: 0644]
extras/hid2hci/Makefile.am [new file with mode: 0644]
extras/hid2hci/hid2hci.c [new file with mode: 0644]

index 960a552..82695b9 100644 (file)
@@ -68,6 +68,10 @@ if test "x$enable_extras" = xyes; then
 
        AC_CHECK_LIB([acl], [acl_init], [:], AC_MSG_ERROR([libacl not found]))
        AC_CHECK_HEADER([acl/libacl.h], [:], AC_MSG_ERROR([libacl header not found]))
 
        AC_CHECK_LIB([acl], [acl_init], [:], AC_MSG_ERROR([libacl not found]))
        AC_CHECK_HEADER([acl/libacl.h], [:], AC_MSG_ERROR([libacl header not found]))
+
+       PKG_CHECK_MODULES(LIBUSB, libusb >= 0.1.12)
+       AC_SUBST(LIBUSB_CFLAGS)
+       AC_SUBST(LIBUSB_LIBS)
 fi
 AM_CONDITIONAL([ENABLE_EXTRAS], [test "x$enable_extras" = xyes])
 
 fi
 AM_CONDITIONAL([ENABLE_EXTRAS], [test "x$enable_extras" = xyes])
 
@@ -107,6 +111,7 @@ AC_CONFIG_FILES([
        extras/scsi_id/Makefile
        extras/usb_id/Makefile
        extras/v4l_id/Makefile
        extras/scsi_id/Makefile
        extras/usb_id/Makefile
        extras/v4l_id/Makefile
+       extras/hid2hci/Makefile
        extras/udev-acl/Makefile
        extras/gudev/Makefile
        extras/gudev/gudev-1.0.pc
        extras/udev-acl/Makefile
        extras/gudev/Makefile
        extras/gudev/gudev-1.0.pc
index 9528e8a..e4136ad 100644 (file)
@@ -17,5 +17,6 @@ SUBDIRS = \
 if ENABLE_EXTRAS
 SUBDIRS += \
        udev-acl \
 if ENABLE_EXTRAS
 SUBDIRS += \
        udev-acl \
+       hid2hci \
        gudev
 endif
        gudev
 endif
diff --git a/extras/hid2hci/.gitignore b/extras/hid2hci/.gitignore
new file mode 100644 (file)
index 0000000..efd9729
--- /dev/null
@@ -0,0 +1 @@
+hid2hci
diff --git a/extras/hid2hci/70-hid2hci.rules b/extras/hid2hci/70-hid2hci.rules
new file mode 100644 (file)
index 0000000..2cb2746
--- /dev/null
@@ -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 (file)
index 0000000..45fb840
--- /dev/null
@@ -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 (file)
index 0000000..aa44790
--- /dev/null
@@ -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;
+}