The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/hid/hsctrl.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD$");
   30 
   31 /*
   32  * General Desktop/System Controls usage page driver
   33  * https://www.usb.org/sites/default/files/documents/hut1_12v2.pdf
   34  */
   35 
   36 #include <sys/param.h>
   37 #include <sys/bitstring.h>
   38 #include <sys/bus.h>
   39 #include <sys/kernel.h>
   40 #include <sys/module.h>
   41 #include <sys/sysctl.h>
   42 
   43 #include <dev/evdev/input.h>
   44 #include <dev/evdev/evdev.h>
   45 
   46 #include <dev/hid/hid.h>
   47 #include <dev/hid/hidbus.h>
   48 #include <dev/hid/hidmap.h>
   49 
   50 #define HSCTRL_MAP(usage, code) \
   51         { HIDMAP_KEY(HUP_GENERIC_DESKTOP, HUG_SYSTEM_##usage, code) }
   52 
   53 static const struct hidmap_item hsctrl_map[] = {
   54         HSCTRL_MAP(POWER_DOWN,          KEY_POWER),
   55         HSCTRL_MAP(SLEEP,               KEY_SLEEP),
   56         HSCTRL_MAP(WAKEUP,              KEY_WAKEUP),
   57         HSCTRL_MAP(CONTEXT_MENU,        KEY_CONTEXT_MENU),
   58         HSCTRL_MAP(MAIN_MENU,           KEY_MENU),
   59         HSCTRL_MAP(APP_MENU,            KEY_PROG1),
   60         HSCTRL_MAP(MENU_HELP,           KEY_HELP),
   61         HSCTRL_MAP(MENU_EXIT,           KEY_EXIT),
   62         HSCTRL_MAP(MENU_SELECT,         KEY_SELECT),
   63         HSCTRL_MAP(MENU_RIGHT,          KEY_RIGHT),
   64         HSCTRL_MAP(MENU_LEFT,           KEY_LEFT),
   65         HSCTRL_MAP(MENU_UP,             KEY_UP),
   66         HSCTRL_MAP(MENU_DOWN,           KEY_DOWN),
   67         HSCTRL_MAP(POWER_UP,            KEY_POWER2),
   68         HSCTRL_MAP(RESTART,             KEY_RESTART),
   69 };
   70 
   71 static const struct hid_device_id hsctrl_devs[] = {
   72         { HID_TLC(HUP_GENERIC_DESKTOP, HUG_SYSTEM_CONTROL) },
   73 };
   74 
   75 static int
   76 hsctrl_probe(device_t dev)
   77 {
   78         return (HIDMAP_PROBE(device_get_softc(dev), dev,
   79             hsctrl_devs, hsctrl_map, "System Control"));
   80 }
   81 
   82 static int
   83 hsctrl_attach(device_t dev)
   84 {
   85         return (hidmap_attach(device_get_softc(dev)));
   86 }
   87 
   88 static int
   89 hsctrl_detach(device_t dev)
   90 {
   91         return (hidmap_detach(device_get_softc(dev)));
   92 }
   93 
   94 static device_method_t hsctrl_methods[] = {
   95         DEVMETHOD(device_probe,         hsctrl_probe),
   96         DEVMETHOD(device_attach,        hsctrl_attach),
   97         DEVMETHOD(device_detach,        hsctrl_detach),
   98 
   99         DEVMETHOD_END
  100 };
  101 
  102 DEFINE_CLASS_0(hsctrl, hsctrl_driver, hsctrl_methods, sizeof(struct hidmap));
  103 DRIVER_MODULE(hsctrl, hidbus, hsctrl_driver, NULL, NULL);
  104 MODULE_DEPEND(hsctrl, hid, 1, 1, 1);
  105 MODULE_DEPEND(hsctrl, hidbus, 1, 1, 1);
  106 MODULE_DEPEND(hsctrl, hidmap, 1, 1, 1);
  107 MODULE_DEPEND(hsctrl, evdev, 1, 1, 1);
  108 MODULE_VERSION(hsctrl, 1);
  109 HID_PNP_INFO(hsctrl_devs);

Cache object: ac17285a06d5be81c0d667e39de1aac4


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