409 lines
8.7 KiB
C
409 lines
8.7 KiB
C
/*
|
|
* hid.c
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $Id: hid.c,v 1.5 2006/09/07 21:06:53 max Exp $
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/consio.h>
|
|
#include <sys/mouse.h>
|
|
#include <sys/queue.h>
|
|
#include <assert.h>
|
|
#include <bluetooth.h>
|
|
#include <dev/usb/usb.h>
|
|
#include <dev/usb/usbhid.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <syslog.h>
|
|
#include <unistd.h>
|
|
#include <usbhid.h>
|
|
#include "bthid_config.h"
|
|
#include "bthidd.h"
|
|
#include "kbd.h"
|
|
|
|
#undef min
|
|
#define min(x, y) (((x) < (y))? (x) : (y))
|
|
|
|
#undef ASIZE
|
|
#define ASIZE(a) (sizeof(a)/sizeof(a[0]))
|
|
|
|
/*
|
|
* Process data from control channel
|
|
*/
|
|
|
|
int32_t
|
|
hid_control(bthid_session_p s, uint8_t *data, int32_t len)
|
|
{
|
|
assert(s != NULL);
|
|
assert(data != NULL);
|
|
assert(len > 0);
|
|
|
|
switch (data[0] >> 4) {
|
|
case 0: /* Handshake (response to command) */
|
|
if (data[0] & 0xf)
|
|
syslog(LOG_ERR, "Got handshake message with error " \
|
|
"response 0x%x from %s",
|
|
data[0], bt_ntoa(&s->bdaddr, NULL));
|
|
break;
|
|
|
|
case 1: /* HID Control */
|
|
switch (data[0] & 0xf) {
|
|
case 0: /* NOP */
|
|
break;
|
|
|
|
case 1: /* Hard reset */
|
|
case 2: /* Soft reset */
|
|
syslog(LOG_WARNING, "Device %s requested %s reset",
|
|
bt_ntoa(&s->bdaddr, NULL),
|
|
((data[0] & 0xf) == 1)? "hard" : "soft");
|
|
break;
|
|
|
|
case 3: /* Suspend */
|
|
syslog(LOG_NOTICE, "Device %s requested Suspend",
|
|
bt_ntoa(&s->bdaddr, NULL));
|
|
break;
|
|
|
|
case 4: /* Exit suspend */
|
|
syslog(LOG_NOTICE, "Device %s requested Exit Suspend",
|
|
bt_ntoa(&s->bdaddr, NULL));
|
|
break;
|
|
|
|
case 5: /* Virtual cable unplug */
|
|
syslog(LOG_NOTICE, "Device %s unplugged virtual cable",
|
|
bt_ntoa(&s->bdaddr, NULL));
|
|
session_close(s);
|
|
break;
|
|
|
|
default:
|
|
syslog(LOG_WARNING, "Device %s sent unknown " \
|
|
"HID_Control message 0x%x",
|
|
bt_ntoa(&s->bdaddr, NULL), data[0]);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
syslog(LOG_WARNING, "Got unexpected message 0x%x on Control " \
|
|
"channel from %s", data[0], bt_ntoa(&s->bdaddr, NULL));
|
|
break;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Process data from the interrupt channel
|
|
*/
|
|
|
|
int32_t
|
|
hid_interrupt(bthid_session_p s, uint8_t *data, int32_t len)
|
|
{
|
|
hid_device_p hid_device;
|
|
hid_data_t d;
|
|
hid_item_t h;
|
|
int32_t report_id, usage, page, val,
|
|
mouse_x, mouse_y, mouse_z, mouse_butt,
|
|
mevents, kevents, i;
|
|
|
|
assert(s != NULL);
|
|
assert(s->srv != NULL);
|
|
assert(data != NULL);
|
|
|
|
if (len < 3) {
|
|
syslog(LOG_ERR, "Got short message (%d bytes) on Interrupt " \
|
|
"channel from %s", len, bt_ntoa(&s->bdaddr, NULL));
|
|
return (-1);
|
|
}
|
|
|
|
if (data[0] != 0xa1) {
|
|
syslog(LOG_ERR, "Got unexpected message 0x%x on " \
|
|
"Interrupt channel from %s",
|
|
data[0], bt_ntoa(&s->bdaddr, NULL));
|
|
return (-1);
|
|
}
|
|
|
|
report_id = data[1];
|
|
data ++;
|
|
len --;
|
|
|
|
hid_device = get_hid_device(&s->bdaddr);
|
|
assert(hid_device != NULL);
|
|
|
|
mouse_x = mouse_y = mouse_z = mouse_butt = mevents = kevents = 0;
|
|
|
|
for (d = hid_start_parse(hid_device->desc, 1 << hid_input, -1);
|
|
hid_get_item(d, &h) > 0; ) {
|
|
if ((h.flags & HIO_CONST) || (h.report_ID != report_id) ||
|
|
(h.kind != hid_input))
|
|
continue;
|
|
|
|
page = HID_PAGE(h.usage);
|
|
usage = HID_USAGE(h.usage);
|
|
val = hid_get_data(data, &h);
|
|
|
|
switch (page) {
|
|
case HUP_GENERIC_DESKTOP:
|
|
switch (usage) {
|
|
case HUG_X:
|
|
mouse_x = val;
|
|
mevents ++;
|
|
break;
|
|
|
|
case HUG_Y:
|
|
mouse_y = val;
|
|
mevents ++;
|
|
break;
|
|
|
|
case HUG_WHEEL:
|
|
mouse_z = -val;
|
|
mevents ++;
|
|
break;
|
|
|
|
case HUG_SYSTEM_SLEEP:
|
|
if (val)
|
|
syslog(LOG_NOTICE, "Sleep button pressed");
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case HUP_KEYBOARD:
|
|
kevents ++;
|
|
|
|
if (h.flags & HIO_VARIABLE) {
|
|
if (val && usage < kbd_maxkey())
|
|
bit_set(s->keys1, usage);
|
|
} else {
|
|
if (val && val < kbd_maxkey())
|
|
bit_set(s->keys1, val);
|
|
|
|
for (i = 1; i < h.report_count; i++) {
|
|
h.pos += h.report_size;
|
|
val = hid_get_data(data, &h);
|
|
if (val && val < kbd_maxkey())
|
|
bit_set(s->keys1, val);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case HUP_BUTTON:
|
|
if (usage != 0) {
|
|
if (usage == 2)
|
|
usage = 3;
|
|
else if (usage == 3)
|
|
usage = 2;
|
|
|
|
mouse_butt |= (val << (usage - 1));
|
|
mevents ++;
|
|
}
|
|
break;
|
|
|
|
case HUP_CONSUMER:
|
|
if (!val)
|
|
break;
|
|
|
|
switch (usage) {
|
|
case HUC_AC_PAN:
|
|
/* Horizontal scroll */
|
|
if (val < 0)
|
|
mouse_butt |= (1 << 5);
|
|
else
|
|
mouse_butt |= (1 << 6);
|
|
|
|
mevents ++;
|
|
val = 0;
|
|
break;
|
|
|
|
case 0xb5: /* Scan Next Track */
|
|
val = 0x19;
|
|
break;
|
|
|
|
case 0xb6: /* Scan Previous Track */
|
|
val = 0x10;
|
|
break;
|
|
|
|
case 0xb7: /* Stop */
|
|
val = 0x24;
|
|
break;
|
|
|
|
case 0xcd: /* Play/Pause */
|
|
val = 0x22;
|
|
break;
|
|
|
|
case 0xe2: /* Mute */
|
|
val = 0x20;
|
|
break;
|
|
|
|
case 0xe9: /* Volume Up */
|
|
val = 0x30;
|
|
break;
|
|
|
|
case 0xea: /* Volume Down */
|
|
val = 0x2E;
|
|
break;
|
|
|
|
case 0x183: /* Media Select */
|
|
val = 0x6D;
|
|
break;
|
|
|
|
case 0x018a: /* Mail */
|
|
val = 0x6C;
|
|
break;
|
|
|
|
case 0x192: /* Calculator */
|
|
val = 0x21;
|
|
break;
|
|
|
|
case 0x194: /* My Computer */
|
|
val = 0x6B;
|
|
break;
|
|
|
|
case 0x221: /* WWW Search */
|
|
val = 0x65;
|
|
break;
|
|
|
|
case 0x223: /* WWW Home */
|
|
val = 0x32;
|
|
break;
|
|
|
|
case 0x224: /* WWW Back */
|
|
val = 0x6A;
|
|
break;
|
|
|
|
case 0x225: /* WWW Forward */
|
|
val = 0x69;
|
|
break;
|
|
|
|
case 0x226: /* WWW Stop */
|
|
val = 0x68;
|
|
break;
|
|
|
|
case 0x227: /* WWW Refresh */
|
|
val = 0x67;
|
|
break;
|
|
|
|
case 0x22a: /* WWW Favorites */
|
|
val = 0x66;
|
|
break;
|
|
|
|
default:
|
|
val = 0;
|
|
break;
|
|
}
|
|
|
|
/* XXX FIXME - UGLY HACK */
|
|
if (val != 0) {
|
|
if (hid_device->keyboard) {
|
|
int32_t buf[4] = { 0xe0, val,
|
|
0xe0, val|0x80 };
|
|
|
|
assert(s->vkbd != -1);
|
|
write(s->vkbd, buf, sizeof(buf));
|
|
} else
|
|
syslog(LOG_ERR, "Keyboard events " \
|
|
"received from non-keyboard " \
|
|
"device %s. Please report",
|
|
bt_ntoa(&s->bdaddr, NULL));
|
|
}
|
|
break;
|
|
|
|
case HUP_MICROSOFT:
|
|
switch (usage) {
|
|
case 0xfe01:
|
|
if (!hid_device->battery_power)
|
|
break;
|
|
|
|
switch (val) {
|
|
case 1:
|
|
syslog(LOG_INFO, "Battery is OK on %s",
|
|
bt_ntoa(&s->bdaddr, NULL));
|
|
break;
|
|
|
|
case 2:
|
|
syslog(LOG_NOTICE, "Low battery on %s",
|
|
bt_ntoa(&s->bdaddr, NULL));
|
|
break;
|
|
|
|
case 3:
|
|
syslog(LOG_WARNING, "Very low battery "\
|
|
"on %s",
|
|
bt_ntoa(&s->bdaddr, NULL));
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
hid_end_parse(d);
|
|
|
|
/*
|
|
* XXX FIXME Feed keyboard events into kernel.
|
|
* The code below works, bit host also needs to track
|
|
* and handle repeat.
|
|
*
|
|
* Key repeat currently works in X, but not in console.
|
|
*/
|
|
|
|
if (kevents > 0) {
|
|
if (hid_device->keyboard) {
|
|
assert(s->vkbd != -1);
|
|
kbd_process_keys(s);
|
|
} else
|
|
syslog(LOG_ERR, "Keyboard events received from " \
|
|
"non-keyboard device %s. Please report",
|
|
bt_ntoa(&s->bdaddr, NULL));
|
|
}
|
|
|
|
/*
|
|
* XXX FIXME Feed mouse events into kernel.
|
|
* The code block below works, but it is not good enough.
|
|
* Need to track double-clicks etc.
|
|
*
|
|
* Double click currently works in X, but not in console.
|
|
*/
|
|
|
|
if (mevents > 0) {
|
|
struct mouse_info mi;
|
|
|
|
mi.operation = MOUSE_ACTION;
|
|
mi.u.data.x = mouse_x;
|
|
mi.u.data.y = mouse_y;
|
|
mi.u.data.z = mouse_z;
|
|
mi.u.data.buttons = mouse_butt;
|
|
|
|
if (ioctl(s->srv->cons, CONS_MOUSECTL, &mi) < 0)
|
|
syslog(LOG_ERR, "Could not process mouse events from " \
|
|
"%s. %s (%d)", bt_ntoa(&s->bdaddr, NULL),
|
|
strerror(errno), errno);
|
|
}
|
|
|
|
return (0);
|
|
}
|