From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mario Limonciello Date: Thu, 11 Jun 2009 16:13:51 +0000 Subject: Re: [PATCH] Add bluetooth-hid2hci to udev-extras Message-Id: <4A312D3F.40308@dell.com> MIME-Version: 1 Content-Type: multipart/mixed; boundary="------------enig1DEB90C61DF0939D5E5E9C8E" List-Id: References: <4A303B6D.6020508@dell.com> In-Reply-To: <4A303B6D.6020508@dell.com> To: linux-hotplug@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig1DEB90C61DF0939D5E5E9C8E Content-Type: multipart/mixed; boundary="------------010309050704010605080206" This is a multi-part message in MIME format. --------------010309050704010605080206 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi Marcel: Marcel Holtmann wrote: > Hi Mario, > > please call it hid2hci and also name the directory that way since > otherwise we confuse the hell out of people when multiple versions are > installed Thanks for the feedback. I've made the changes and am resubmitting. Regards --=20 Mario Limonciello *Dell | Linux Engineering* mario_limonciello@dell.com --------------010309050704010605080206 Content-Type: text/x-patch; name="hid2hci.diff" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline; filename="hid2hci.diff" =3D=3D=3D modified file 'Makefile.am' --- Makefile.am 2009-06-01 19:54:07 +0000 +++ Makefile.am 2009-06-10 22:31:35 +0000 @@ -7,7 +7,8 @@ keymap \ v4l_id \ udev-acl \ - gudev + gudev \ + hid2hci =20 ACLOCAL_AMFLAGS =3D -I m4 =20 =3D=3D=3D added directory 'hid2hci' =3D=3D=3D added file 'hid2hci/62-hid2hci.rules' --- hid2hci/62-hid2hci.rules 1970-01-01 00:00:00 +0000 +++ hid2hci/62-hid2hci.rules 2009-06-10 22:53:14 +0000 @@ -0,0 +1,36 @@ +# 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 +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"413c", ENV{ID_CLASS}=3D=3D"mouse= ", ATTRS{bmAttributes}=3D=3D"e0", KERNEL=3D=3D"mouse*", RUN+=3D"/lib/udev= /hid2hci --method dell -v $env{ID_VENDOR} -p $env{ID_MODEL} --mode hci" + +# Logitech devices +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c703"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c704"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c705"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c70a"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c70b"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c70c"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c70e"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c713"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c714"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c71b"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"046d", ENV{ID_MODEL}=3D=3D"c71c"= RUN+=3D"/lib/udev/hid2hci --method logitech -v $env{ID_VENDOR} -p $env{I= D_MODEL} --mode hci" + +# CSR devices (in HID mode) +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"0a12", ENV{ID_MODEL}=3D=3D"1000"= RUN+=3D"/lib/udev/hid2hci --method csr -v $env{ID_VENDOR} -p $env{ID_MOD= EL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"0458", ENV{ID_MODEL}=3D=3D"1000"= RUN+=3D"/lib/udev/hid2hci --method csr -v $env{ID_VENDOR} -p $env{ID_MOD= EL} --mode hci" +ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"05ac", ENV{ID_MODEL}=3D=3D"1000"= RUN+=3D"/lib/udev/hid2hci --method csr -v $env{ID_VENDOR} -p $env{ID_MOD= EL} --mode hci" + +# CSR devices (in HCI mode) +#ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"0a12", ENV{ID_MODEL}=3D=3D"0001= " RUN+=3D"/lib/udev/hid2hci --method csr -v $env{ID_VENDOR} -p $env{ID_MO= DEL} --mode hid" +#ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"0458", ENV{ID_MODEL}=3D=3D"003f= " RUN+=3D"/lib/udev/hid2hci --method csr -v $env{ID_VENDOR} -p $env{ID_MO= DEL} --mode hid" +#ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"05ac", ENV{ID_MODEL}=3D=3D"8203= " RUN+=3D"/lib/udev/hid2hci --method csr -v $env{ID_VENDOR} -p $env{ID_MO= DEL} --mode hid" +#ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"05ac", ENV{ID_MODEL}=3D=3D"8204= " RUN+=3D"/lib/udev/hid2hci --method csr -v $env{ID_VENDOR} -p $env{ID_MO= DEL} --mode hid" +#ACTION=3D=3D"add", ENV{ID_VENDOR}=3D=3D"05ac", ENV{ID_MODEL}=3D=3D"8207= " RUN+=3D"/lib/udev/hid2hci --method csr -v $env{ID_VENDOR} -p $env{ID_MO= DEL} --mode hid" =3D=3D=3D added file 'hid2hci/Makefile.am' --- hid2hci/Makefile.am 1970-01-01 00:00:00 +0000 +++ hid2hci/Makefile.am 2009-06-10 22:29:36 +0000 @@ -0,0 +1,10 @@ +include $(top_srcdir)/Makefile.am.inc + +udevhomedir =3D $(udev_prefix)/lib/udev +udevhome_PROGRAMS =3D hid2hci + +udevrulesdir =3D $(udev_prefix)/lib/udev/rules.d +dist_udevrules_DATA =3D 62-hid2hci.rules + +hid2hci_SOURCES =3D hid2hci.c +hid2hci_LDADD =3D @LIBUSB_LIBS@ =3D=3D=3D added file 'hid2hci/bluetooth_hid2hci.c' --- hid2hci/hid2hci.c 1970-01-01 00:00:00 +0000 +++ hid2hci/hid2hci.c 2009-06-10 22:31:18 +0000 @@ -0,0 +1,377 @@ +/* + * + * hid2hci : a tool for switching the radio on devices that support + * it from HID to HCI and back + * + * Copyright (C) 2003-2009 Marcel Holtmann + * Copyright (C) 2008-2009 Mario Limonciello + * + * + * 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 02110-130= 1 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include + +#include + +#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] =3D "/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 =3D usb_open(devinfo->dev); + if (!udev) + return -errno; + + err =3D usb_control_msg(udev, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP= _DEVICE, + 0, devinfo->mode, 0, NULL, 0, 10000); + + if (err =3D=3D 0) { + err =3D -1; + errno =3D EALREADY; + } else { + if (errno =3D=3D ETIMEDOUT) + err =3D 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 =3D 0; i < size; i++) { + memset(&uref, 0, sizeof(uref)); + uref.report_type =3D HID_REPORT_TYPE_OUTPUT; + uref.report_id =3D 0x10; + uref.field_index =3D 0; + uref.usage_index =3D i; + uref.usage_code =3D 0xff000001; + uref.value =3D buf[i] & 0x000000ff; + err =3D ioctl(fd, HIDIOCSUSAGE, &uref); + if (err < 0) + return err; + } + + memset(&rinfo, 0, sizeof(rinfo)); + rinfo.report_type =3D HID_REPORT_TYPE_OUTPUT; + rinfo.report_id =3D 0x10; + rinfo.num_fields =3D 1; + err =3D ioctl(fd, HIDIOCSREPORT, &rinfo); + + return err; +} + +static int switch_logitech(struct device_info *devinfo) +{ + char devname[PATH_MAX + 1]; + int i, fd, err =3D -1; + + for (i =3D 0; i < 16; i++) { + struct hiddev_devinfo dinfo; + char rep1[] =3D { 0xff, 0x80, 0x80, 0x01, 0x00, 0x00 }; + char rep2[] =3D { 0xff, 0x80, 0x00, 0x00, 0x30, 0x00 }; + char rep3[] =3D { 0xff, 0x81, 0x80, 0x00, 0x00, 0x00 }; + + sprintf(devname, "%s/hiddev%d", devpath, i); + fd =3D open(devname, O_RDWR); + if (fd < 0) { + sprintf(devname, "%s/usb/hiddev%d", devpath, i); + fd =3D open(devname, O_RDWR); + if (fd < 0) { + sprintf(devname, "%s/usb/hid/hiddev%d", devpath, i); + fd =3D open(devname, O_RDWR); + if (fd < 0) + continue; + } + } + + memset(&dinfo, 0, sizeof(dinfo)); + err =3D ioctl(fd, HIDIOCGDEVINFO, &dinfo); + if (err < 0 || (int) dinfo.busnum !=3D atoi(devinfo->dev->bus->dirname= ) || + (int) dinfo.devnum !=3D atoi(devinfo->dev->filename)) { + close(fd); + continue; + } + + err =3D ioctl(fd, HIDIOCINITREPORT, 0); + if (err < 0) { + close(fd); + break; + } + + err =3D send_report(fd, rep1, sizeof(rep1)); + if (err < 0) { + close(fd); + break; + } + + err =3D send_report(fd, rep2, sizeof(rep2)); + if (err < 0) { + close(fd); + break; + } + + err =3D send_report(fd, rep3, sizeof(rep3)); + close(fd); + break; + } + + return err; +} + +static int switch_dell(struct device_info *devinfo) +{ + char report[] =3D { 0x7f, 0x00, 0x00, 0x00 }; + + struct usb_dev_handle *handle; + int err; + + switch (devinfo->mode) { + case HCI: + report[1] =3D 0x13; + break; + case HID: + report[1] =3D 0x14; + break; + } + + handle =3D 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 =3D 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 =3D=3D 0) { + err =3D -1; + errno =3D EALREADY; + } else { + if (errno =3D=3D ETIMEDOUT) + err =3D 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 =3D usb_get_busses(); bus; bus =3D bus->next) + for (dev =3D bus->devices; dev; dev =3D dev->next) { + if (dev->descriptor.idVendor =3D=3D devinfo->vendor && + dev->descriptor.idProduct =3D=3D devinfo->product) { + devinfo->dev=3Ddev; + 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=3D Mode to switch to [hid, hci]\n" + "\t-v, --vendor=3D Vendor ID to act upon\n" + "\t-p, --product=3D Product ID to act upon\n" + "\t-m, --method=3D Method to use to switch [csr, logitech, dell= ]\n" + "\n"); + if (error) + exit(1); +} + +static struct option main_options[] =3D { + { "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 =3D { NULL, HCI, 0, 0 }; + int opt, quiet =3D 0; + int (*method)(struct device_info *dev) =3D NULL; + + while ((opt =3D getopt_long(argc, argv, "+r:v:p:m:qh", main_options, NU= LL)) !=3D -1) { + switch (opt) { + case 'r': + if (optarg && !strcmp(optarg, "hid")) + dev.mode =3D HID; + else if (optarg && !strcmp(optarg, "hci")) + dev.mode =3D 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 =3D switch_csr; + else if (optarg && !strcmp(optarg, "logitech")) + method =3D switch_logitech; + else if (optarg && !strcmp(optarg, "dell")) + method =3D switch_dell; + else + usage("ERROR: Undefined switching method\n"); + break; + case 'q': + quiet =3D 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 -=3D optind; + argv +=3D optind; + optind =3D 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; +} =3D=3D=3D modified file 'configure.ac' --- configure.ac 2009-06-01 19:50:15 +0000 +++ configure.ac 2009-06-10 22:47:57 +0000 @@ -118,6 +118,7 @@ gudev/gudev-1.0.pc gudev/docs/version.xml gudev/docs/Makefile +hid2hci/Makefile ]) =20 AC_OUTPUT --------------010309050704010605080206-- --------------enig1DEB90C61DF0939D5E5E9C8E Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkoxLT8ACgkQ2CrZjkA73Yu01wCfctjb13OSe+SNjS8oR8e4gxAf b7IAnikU7lbgwUWdLYtn3587kgDBk+fw =81GJ -----END PGP SIGNATURE----- --------------enig1DEB90C61DF0939D5E5E9C8E--