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OpenCloudOS-Kernel/drivers/usb/input/hid-input.c

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/*
* $Id: hid-input.c,v 1.2 2002/04/23 00:59:25 rdamazio Exp $
*
* Copyright (c) 2000-2001 Vojtech Pavlik
*
* USB HID to Linux Input mapping
*/
/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/usb/input.h>
#undef DEBUG
#include "hid.h"
#define unk KEY_UNKNOWN
static const unsigned char hid_keyboard[256] = {
0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
};
static const struct {
__s32 x;
__s32 y;
} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
struct hidinput_key_translation {
u16 from;
u16 to;
u8 flags;
};
#define POWERBOOK_FLAG_FKEY 0x01
static struct hidinput_key_translation powerbook_fn_keys[] = {
{ KEY_BACKSPACE, KEY_DELETE },
{ KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY },
{ KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY },
{ KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY },
{ KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY },
{ KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY },
{ KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY },
{ KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY },
{ KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY },
{ KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY },
{ KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY },
{ KEY_UP, KEY_PAGEUP },
{ KEY_DOWN, KEY_PAGEDOWN },
{ KEY_LEFT, KEY_HOME },
{ KEY_RIGHT, KEY_END },
{ }
};
static struct hidinput_key_translation powerbook_numlock_keys[] = {
{ KEY_J, KEY_KP1 },
{ KEY_K, KEY_KP2 },
{ KEY_L, KEY_KP3 },
{ KEY_U, KEY_KP4 },
{ KEY_I, KEY_KP5 },
{ KEY_O, KEY_KP6 },
{ KEY_7, KEY_KP7 },
{ KEY_8, KEY_KP8 },
{ KEY_9, KEY_KP9 },
{ KEY_M, KEY_KP0 },
{ KEY_DOT, KEY_KPDOT },
{ KEY_SLASH, KEY_KPPLUS },
{ KEY_SEMICOLON, KEY_KPMINUS },
{ KEY_P, KEY_KPASTERISK },
{ KEY_MINUS, KEY_KPEQUAL },
{ KEY_0, KEY_KPSLASH },
{ KEY_F6, KEY_NUMLOCK },
{ KEY_KPENTER, KEY_KPENTER },
{ KEY_BACKSPACE, KEY_BACKSPACE },
{ }
};
static struct hidinput_key_translation powerbook_iso_keyboard[] = {
{ KEY_GRAVE, KEY_102ND },
{ KEY_102ND, KEY_GRAVE },
{ }
};
static int usbhid_pb_fnmode = 1;
module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
MODULE_PARM_DESC(pb_fnmode,
"Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
{
struct hidinput_key_translation *trans;
/* Look for the translation */
for (trans = table; trans->from; trans++)
if (trans->from == from)
return trans;
return NULL;
}
static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
struct hid_usage *usage, __s32 value)
{
struct hidinput_key_translation *trans;
if (usage->code == KEY_FN) {
if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
input_event(input, usage->type, usage->code, value);
return 1;
}
if (usbhid_pb_fnmode) {
int do_translate;
trans = find_translation(powerbook_fn_keys, usage->code);
if (trans) {
if (test_bit(usage->code, hid->pb_pressed_fn))
do_translate = 1;
else if (trans->flags & POWERBOOK_FLAG_FKEY)
do_translate =
(usbhid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
(usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
else
do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
if (do_translate) {
if (value)
set_bit(usage->code, hid->pb_pressed_fn);
else
clear_bit(usage->code, hid->pb_pressed_fn);
input_event(input, usage->type, trans->to, value);
return 1;
}
}
if (test_bit(usage->code, hid->pb_pressed_numlock) ||
test_bit(LED_NUML, input->led)) {
trans = find_translation(powerbook_numlock_keys, usage->code);
if (trans) {
if (value)
set_bit(usage->code, hid->pb_pressed_numlock);
else
clear_bit(usage->code, hid->pb_pressed_numlock);
input_event(input, usage->type, trans->to, value);
}
return 1;
}
}
if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
trans = find_translation(powerbook_iso_keyboard, usage->code);
if (trans) {
input_event(input, usage->type, trans->to, value);
return 1;
}
}
return 0;
}
static void hidinput_pb_setup(struct input_dev *input)
{
struct hidinput_key_translation *trans;
set_bit(KEY_NUMLOCK, input->keybit);
/* Enable all needed keys */
for (trans = powerbook_fn_keys; trans->from; trans++)
set_bit(trans->to, input->keybit);
for (trans = powerbook_numlock_keys; trans->from; trans++)
set_bit(trans->to, input->keybit);
for (trans = powerbook_iso_keyboard; trans->from; trans++)
set_bit(trans->to, input->keybit);
}
#else
static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
struct hid_usage *usage, __s32 value)
{
return 0;
}
static inline void hidinput_pb_setup(struct input_dev *input)
{
}
#endif
static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
struct hid_usage *usage)
{
struct input_dev *input = hidinput->input;
struct hid_device *device = input->private;
int max = 0, code;
unsigned long *bit = NULL;
field->hidinput = hidinput;
#ifdef DEBUG
printk(KERN_DEBUG "Mapping: ");
resolv_usage(usage->hid);
printk(" ---> ");
#endif
if (field->flags & HID_MAIN_ITEM_CONSTANT)
goto ignore;
switch (usage->hid & HID_USAGE_PAGE) {
case HID_UP_UNDEFINED:
goto ignore;
case HID_UP_KEYBOARD:
set_bit(EV_REP, input->evbit);
if ((usage->hid & HID_USAGE) < 256) {
if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
} else
map_key(KEY_UNKNOWN);
break;
case HID_UP_BUTTON:
code = ((usage->hid - 1) & 0xf);
switch (field->application) {
case HID_GD_MOUSE:
case HID_GD_POINTER: code += 0x110; break;
case HID_GD_JOYSTICK: code += 0x120; break;
case HID_GD_GAMEPAD: code += 0x130; break;
default:
switch (field->physical) {
case HID_GD_MOUSE:
case HID_GD_POINTER: code += 0x110; break;
case HID_GD_JOYSTICK: code += 0x120; break;
case HID_GD_GAMEPAD: code += 0x130; break;
default: code += 0x100;
}
}
map_key(code);
break;
case HID_UP_SIMULATION:
switch (usage->hid & 0xffff) {
case 0xba: map_abs(ABS_RUDDER); break;
case 0xbb: map_abs(ABS_THROTTLE); break;
case 0xc4: map_abs(ABS_GAS); break;
case 0xc5: map_abs(ABS_BRAKE); break;
case 0xc8: map_abs(ABS_WHEEL); break;
default: goto ignore;
}
break;
case HID_UP_GENDESK:
if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
switch (usage->hid & 0xf) {
case 0x1: map_key_clear(KEY_POWER); break;
case 0x2: map_key_clear(KEY_SLEEP); break;
case 0x3: map_key_clear(KEY_WAKEUP); break;
default: goto unknown;
}
break;
}
if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
switch (usage->hid) {
case HID_GD_UP: usage->hat_dir = 1; break;
case HID_GD_DOWN: usage->hat_dir = 5; break;
case HID_GD_RIGHT: usage->hat_dir = 3; break;
case HID_GD_LEFT: usage->hat_dir = 7; break;
default: goto unknown;
}
if (field->dpad) {
map_abs(field->dpad);
goto ignore;
}
map_abs(ABS_HAT0X);
break;
}
switch (usage->hid) {
/* These usage IDs map directly to the usage codes. */
case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
if (field->flags & HID_MAIN_ITEM_RELATIVE)
map_rel(usage->hid & 0xf);
else
map_abs(usage->hid & 0xf);
break;
case HID_GD_HATSWITCH:
usage->hat_min = field->logical_minimum;
usage->hat_max = field->logical_maximum;
map_abs(ABS_HAT0X);
break;
case HID_GD_START: map_key_clear(BTN_START); break;
case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
default: goto unknown;
}
break;
case HID_UP_LED:
if (((usage->hid - 1) & 0xffff) >= LED_MAX)
goto ignore;
map_led((usage->hid - 1) & 0xffff);
break;
case HID_UP_DIGITIZER:
switch (usage->hid & 0xff) {
case 0x30: /* TipPressure */
if (!test_bit(BTN_TOUCH, input->keybit)) {
device->quirks |= HID_QUIRK_NOTOUCH;
set_bit(EV_KEY, input->evbit);
set_bit(BTN_TOUCH, input->keybit);
}
map_abs_clear(ABS_PRESSURE);
break;
case 0x32: /* InRange */
switch (field->physical & 0xff) {
case 0x21: map_key(BTN_TOOL_MOUSE); break;
case 0x22: map_key(BTN_TOOL_FINGER); break;
default: map_key(BTN_TOOL_PEN); break;
}
break;
case 0x3c: /* Invert */
map_key_clear(BTN_TOOL_RUBBER);
break;
case 0x33: /* Touch */
case 0x42: /* TipSwitch */
case 0x43: /* TipSwitch2 */
device->quirks &= ~HID_QUIRK_NOTOUCH;
map_key_clear(BTN_TOUCH);
break;
case 0x44: /* BarrelSwitch */
map_key_clear(BTN_STYLUS);
break;
default: goto unknown;
}
break;
case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
switch (usage->hid & HID_USAGE) {
case 0x000: goto ignore;
case 0x034: map_key_clear(KEY_SLEEP); break;
case 0x036: map_key_clear(BTN_MISC); break;
case 0x045: map_key_clear(KEY_RADIO); break;
case 0x08a: map_key_clear(KEY_WWW); break;
case 0x08d: map_key_clear(KEY_PROGRAM); break;
case 0x095: map_key_clear(KEY_HELP); break;
case 0x09c: map_key_clear(KEY_CHANNELUP); break;
case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
case 0x0b0: map_key_clear(KEY_PLAY); break;
case 0x0b1: map_key_clear(KEY_PAUSE); break;
case 0x0b2: map_key_clear(KEY_RECORD); break;
case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
case 0x0b4: map_key_clear(KEY_REWIND); break;
case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
case 0x0b7: map_key_clear(KEY_STOPCD); break;
case 0x0b8: map_key_clear(KEY_EJECTCD); break;
case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
case 0x0e0: map_abs_clear(ABS_VOLUME); break;
case 0x0e2: map_key_clear(KEY_MUTE); break;
case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
case 0x183: map_key_clear(KEY_CONFIG); break;
case 0x18a: map_key_clear(KEY_MAIL); break;
case 0x192: map_key_clear(KEY_CALC); break;
case 0x194: map_key_clear(KEY_FILE); break;
case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
case 0x201: map_key_clear(KEY_NEW); break;
case 0x207: map_key_clear(KEY_SAVE); break;
case 0x208: map_key_clear(KEY_PRINT); break;
case 0x209: map_key_clear(KEY_PROPS); break;
case 0x21a: map_key_clear(KEY_UNDO); break;
case 0x21b: map_key_clear(KEY_COPY); break;
case 0x21c: map_key_clear(KEY_CUT); break;
case 0x21d: map_key_clear(KEY_PASTE); break;
case 0x221: map_key_clear(KEY_FIND); break;
case 0x223: map_key_clear(KEY_HOMEPAGE); break;
case 0x224: map_key_clear(KEY_BACK); break;
case 0x225: map_key_clear(KEY_FORWARD); break;
case 0x226: map_key_clear(KEY_STOP); break;
case 0x227: map_key_clear(KEY_REFRESH); break;
case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
case 0x233: map_key_clear(KEY_SCROLLUP); break;
case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
case 0x238: map_rel(REL_HWHEEL); break;
case 0x279: map_key_clear(KEY_REDO); break;
case 0x289: map_key_clear(KEY_REPLY); break;
case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
case 0x28c: map_key_clear(KEY_SEND); break;
/* Reported on a Cherry Cymotion keyboard */
case 0x301: map_key_clear(KEY_PROG1); break;
case 0x302: map_key_clear(KEY_PROG2); break;
case 0x303: map_key_clear(KEY_PROG3); break;
default: goto ignore;
}
break;
case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
set_bit(EV_REP, input->evbit);
switch (usage->hid & HID_USAGE) {
case 0x021: map_key_clear(KEY_PRINT); break;
case 0x070: map_key_clear(KEY_HP); break;
case 0x071: map_key_clear(KEY_CAMERA); break;
case 0x072: map_key_clear(KEY_SOUND); break;
case 0x073: map_key_clear(KEY_QUESTION); break;
case 0x080: map_key_clear(KEY_EMAIL); break;
case 0x081: map_key_clear(KEY_CHAT); break;
case 0x082: map_key_clear(KEY_SEARCH); break;
case 0x083: map_key_clear(KEY_CONNECT); break;
case 0x084: map_key_clear(KEY_FINANCE); break;
case 0x085: map_key_clear(KEY_SPORT); break;
case 0x086: map_key_clear(KEY_SHOP); break;
default: goto ignore;
}
break;
case HID_UP_MSVENDOR:
goto ignore;
case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
set_bit(EV_REP, input->evbit);
switch(usage->hid & HID_USAGE) {
case 0x003:
/* The fn key on Apple PowerBooks */
map_key_clear(KEY_FN);
hidinput_pb_setup(input);
break;
default: goto ignore;
}
break;
case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
set_bit(EV_REP, input->evbit);
switch(usage->hid & HID_USAGE) {
case 0x004: map_key_clear(KEY_AGAIN); break;
case 0x00d: map_key_clear(KEY_HOME); break;
case 0x024: map_key_clear(KEY_SHUFFLE); break;
case 0x025: map_key_clear(KEY_TV); break;
case 0x026: map_key_clear(KEY_MENU); break;
case 0x031: map_key_clear(KEY_AUDIO); break;
case 0x032: map_key_clear(KEY_TEXT); break;
case 0x033: map_key_clear(KEY_LAST); break;
case 0x047: map_key_clear(KEY_MP3); break;
case 0x048: map_key_clear(KEY_DVD); break;
case 0x049: map_key_clear(KEY_MEDIA); break;
case 0x04a: map_key_clear(KEY_VIDEO); break;
case 0x04b: map_key_clear(KEY_ANGLE); break;
case 0x04c: map_key_clear(KEY_LANGUAGE); break;
case 0x04d: map_key_clear(KEY_SUBTITLE); break;
case 0x051: map_key_clear(KEY_RED); break;
case 0x052: map_key_clear(KEY_CLOSE); break;
default: goto ignore;
}
break;
case HID_UP_PID:
switch(usage->hid & HID_USAGE) {
case 0xa4: map_key_clear(BTN_DEAD); break;
default: goto ignore;
}
break;
default:
unknown:
if (field->report_size == 1) {
if (field->report->type == HID_OUTPUT_REPORT) {
map_led(LED_MISC);
break;
}
map_key(BTN_MISC);
break;
}
if (field->flags & HID_MAIN_ITEM_RELATIVE) {
map_rel(REL_MISC);
break;
}
map_abs(ABS_MISC);
break;
}
if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
if (usage->hid == HID_GD_Z)
map_rel(REL_HWHEEL);
else if (usage->code == BTN_1)
map_key(BTN_2);
else if (usage->code == BTN_2)
map_key(BTN_1);
}
if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
(usage->type == EV_REL) && (usage->code == REL_WHEEL))
set_bit(REL_HWHEEL, bit);
if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
|| ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
goto ignore;
set_bit(usage->type, input->evbit);
while (usage->code <= max && test_and_set_bit(usage->code, bit))
usage->code = find_next_zero_bit(bit, max + 1, usage->code);
if (usage->code > max)
goto ignore;
if (usage->type == EV_ABS) {
int a = field->logical_minimum;
int b = field->logical_maximum;
if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
a = field->logical_minimum = 0;
b = field->logical_maximum = 255;
}
if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
else input_set_abs_params(input, usage->code, a, b, 0, 0);
}
if (usage->type == EV_ABS &&
(usage->hat_min < usage->hat_max || usage->hat_dir)) {
int i;
for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
input_set_abs_params(input, i, -1, 1, 0, 0);
set_bit(i, input->absbit);
}
if (usage->hat_dir && !field->dpad)
field->dpad = usage->code;
}
#ifdef DEBUG
resolv_event(usage->type, usage->code);
printk("\n");
#endif
return;
ignore:
#ifdef DEBUG
printk("IGNORED\n");
#endif
return;
}
void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
{
struct input_dev *input;
int *quirks = &hid->quirks;
if (!field->hidinput)
return;
input = field->hidinput->input;
if (!usage->type)
return;
if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
|| ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
return;
}
if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
input_event(input, usage->type, usage->code, -value);
return;
}
if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
input_event(input, usage->type, REL_HWHEEL, value);
return;
}
if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
return;
if (usage->hat_min < usage->hat_max || usage->hat_dir) {
int hat_dir = usage->hat_dir;
if (!hat_dir)
hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
return;
}
if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
*quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
return;
}
if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
if (value) {
input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
return;
}
input_event(input, usage->type, usage->code, 0);
input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
return;
}
if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
int a = field->logical_minimum;
int b = field->logical_maximum;
input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
}
if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
dbg("Maximum Effects - %d",value);
return;
}
if (usage->hid == (HID_UP_PID | 0x7fUL)) {
dbg("PID Pool Report\n");
return;
}
if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
return;
input_event(input, usage->type, usage->code, value);
if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
input_event(input, usage->type, usage->code, 0);
}
void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
{
struct hid_input *hidinput;
list_for_each_entry(hidinput, &hid->inputs, list)
input_sync(hidinput->input);
}
static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
{
struct hid_report *report;
int i, j;
list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
for (i = 0; i < report->maxfield; i++) {
*field = report->field[i];
for (j = 0; j < (*field)->maxusage; j++)
if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
return j;
}
}
return -1;
}
static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
struct hid_device *hid = dev->private;
struct hid_field *field;
int offset;
if (type == EV_FF)
return input_ff_event(dev, type, code, value);
if (type != EV_LED)
return -1;
if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
warn("event field not found");
return -1;
}
hid_set_field(field, offset, value);
hid_submit_report(hid, field->report, USB_DIR_OUT);
return 0;
}
static int hidinput_open(struct input_dev *dev)
{
struct hid_device *hid = dev->private;
return hid_open(hid);
}
static void hidinput_close(struct input_dev *dev)
{
struct hid_device *hid = dev->private;
hid_close(hid);
}
/*
* Register the input device; print a message.
* Configure the input layer interface
* Read all reports and initialize the absolute field values.
*/
int hidinput_connect(struct hid_device *hid)
{
struct usb_device *dev = hid->dev;
struct hid_report *report;
struct hid_input *hidinput = NULL;
struct input_dev *input_dev;
int i, j, k;
INIT_LIST_HEAD(&hid->inputs);
for (i = 0; i < hid->maxcollection; i++)
if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
hid->collection[i].type == HID_COLLECTION_PHYSICAL)
if (IS_INPUT_APPLICATION(hid->collection[i].usage))
break;
if (i == hid->maxcollection)
return -1;
for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
if (!report->maxfield)
continue;
if (!hidinput) {
hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
input_dev = input_allocate_device();
if (!hidinput || !input_dev) {
kfree(hidinput);
input_free_device(input_dev);
err("Out of memory during hid input probe");
return -1;
}
input_dev->private = hid;
input_dev->event = hidinput_input_event;
input_dev->open = hidinput_open;
input_dev->close = hidinput_close;
input_dev->name = hid->name;
input_dev->phys = hid->phys;
input_dev->uniq = hid->uniq;
usb_to_input_id(dev, &input_dev->id);
input_dev->cdev.dev = &hid->intf->dev;
hidinput->input = input_dev;
list_add_tail(&hidinput->list, &hid->inputs);
}
for (i = 0; i < report->maxfield; i++)
for (j = 0; j < report->field[i]->maxusage; j++)
hidinput_configure_usage(hidinput, report->field[i],
report->field[i]->usage + j);
if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
/* This will leave hidinput NULL, so that it
* allocates another one if we have more inputs on
* the same interface. Some devices (e.g. Happ's
* UGCI) cram a lot of unrelated inputs into the
* same interface. */
hidinput->report = report;
input_register_device(hidinput->input);
hidinput = NULL;
}
}
/* This only gets called when we are a single-input (most of the
* time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
* only useful in this case, and not for multi-input quirks. */
if (hidinput) {
hid_ff_init(hid);
input_register_device(hidinput->input);
}
return 0;
}
void hidinput_disconnect(struct hid_device *hid)
{
struct hid_input *hidinput, *next;
list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
list_del(&hidinput->list);
input_unregister_device(hidinput->input);
kfree(hidinput);
}
}
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