diff options
Diffstat (limited to 'extras/hid2hci')
| -rw-r--r-- | extras/hid2hci/.gitignore | 1 | ||||
| -rw-r--r-- | extras/hid2hci/70-hid2hci.rules | 25 | ||||
| -rw-r--r-- | extras/hid2hci/Makefile.am | 10 | ||||
| -rw-r--r-- | extras/hid2hci/hid2hci.c | 376 |
4 files changed, 412 insertions, 0 deletions
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; +} |