/* * $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/input.h>#include <linux/usb.h>#include "hid.h"#define unk	KEY_UNKNOWNstatic 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 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}};static struct input_dev *find_input(struct hid_device *hid, struct hid_field *field){	struct list_head *lh;	struct hid_input *hidinput;	list_for_each (lh, &hid->inputs) {		int i;		hidinput = list_entry(lh, struct hid_input, list);		if (! hidinput->report)			continue;		for (i = 0; i < hidinput->report->maxfield; i++)			if (hidinput->report->field[i] == field)				return &hidinput->input;	}	/* Assume we only have one input and use it */	if (!list_empty(&hid->inputs)) {		hidinput = list_entry(hid->inputs.next, struct hid_input, list);		return &hidinput->input;	}	/* This is really a bug */	return NULL;}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 = hidinput->input.private;	int max;	int is_abs = 0;	unsigned long *bit;	switch (usage->hid & HID_USAGE_PAGE) {		case HID_UP_KEYBOARD:			set_bit(EV_REP, input->evbit);			usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;			if ((usage->hid & HID_USAGE) < 256) {				if (!(usage->code = hid_keyboard[usage->hid & HID_USAGE]))					return;				clear_bit(usage->code, bit);			} else				usage->code = KEY_UNKNOWN;			break;		case HID_UP_BUTTON:			usage->code = ((usage->hid - 1) & 0xf) + 0x100;			usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;			switch (field->application) {				case HID_GD_GAMEPAD:  usage->code += 0x10;				case HID_GD_JOYSTICK: usage->code += 0x10;				case HID_GD_MOUSE:    usage->code += 0x10; break;				default:					if (field->physical == HID_GD_POINTER)						usage->code += 0x10;					break;			}			break;		case HID_UP_GENDESK:			if ((usage->hid & 0xf0) == 0x80) {	/* SystemControl */				switch (usage->hid & 0xf) {					case 0x1: usage->code = KEY_POWER;  break;					case 0x2: usage->code = KEY_SLEEP;  break;					case 0x3: usage->code = KEY_WAKEUP; break;					default: usage->code = KEY_UNKNOWN; break;				}				usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;				break;			}			usage->code = usage->hid & 0xf;			if (field->report_size == 1) {				usage->code = BTN_MISC;				usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;				break;			}			if (field->flags & HID_MAIN_ITEM_RELATIVE) {				usage->type = EV_REL; bit = input->relbit; max = REL_MAX;				break;			}			usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX;			if (usage->hid == HID_GD_HATSWITCH) {				usage->code = ABS_HAT0X;				usage->hat_min = field->logical_minimum;				usage->hat_max = field->logical_maximum;			}			break;		case HID_UP_LED:			usage->code = (usage->hid - 1) & 0xf;			usage->type = EV_LED; bit = input->ledbit; max = LED_MAX;			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);					}					usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX;					usage->code = ABS_PRESSURE;					clear_bit(usage->code, bit);					break;				case 0x32: /* InRange */					usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;					switch (field->physical & 0xff) {						case 0x21: usage->code = BTN_TOOL_MOUSE; break;						case 0x22: usage->code = BTN_TOOL_FINGER; break;						default: usage->code = BTN_TOOL_PEN; break;					}					break;				case 0x3c: /* Invert */					usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;					usage->code = BTN_TOOL_RUBBER;					clear_bit(usage->code, bit);					break;				case 0x33: /* Touch */				case 0x42: /* TipSwitch */				case 0x43: /* TipSwitch2 */					device->quirks &= ~HID_QUIRK_NOTOUCH;					usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;					usage->code = BTN_TOUCH;					clear_bit(usage->code, bit);					break;				case 0x44: /* BarrelSwitch */					usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;					usage->code = BTN_STYLUS;					clear_bit(usage->code, bit);					break;				default:  goto unknown;			}			break;		case HID_UP_CONSUMER:	/* USB HUT v1.1, pages 56-62 */			set_bit(EV_REP, input->evbit);			switch (usage->hid & HID_USAGE) {				case 0x000: usage->code = 0; break;				case 0x034: usage->code = KEY_SLEEP;		break;				case 0x036: usage->code = BTN_MISC;		break;				case 0x08a: usage->code = KEY_WWW;		break;				case 0x095: usage->code = KEY_HELP;		break;				case 0x0b0: usage->code = KEY_PLAY;		break;				case 0x0b1: usage->code = KEY_PAUSE;		break;				case 0x0b2: usage->code = KEY_RECORD;		break;				case 0x0b3: usage->code = KEY_FASTFORWARD;	break;				case 0x0b4: usage->code = KEY_REWIND;		break;				case 0x0b5: usage->code = KEY_NEXTSONG;		break;				case 0x0b6: usage->code = KEY_PREVIOUSSONG;	break;				case 0x0b7: usage->code = KEY_STOPCD;		break;				case 0x0b8: usage->code = KEY_EJECTCD;		break;				case 0x0cd: usage->code = KEY_PLAYPAUSE;	break;			        case 0x0e0: is_abs = 1;					    usage->code = ABS_VOLUME;					    break;				case 0x0e2: usage->code = KEY_MUTE;		break;				case 0x0e5: usage->code = KEY_BASSBOOST;	break;				case 0x0e9: usage->code = KEY_VOLUMEUP;		break;				case 0x0ea: usage->code = KEY_VOLUMEDOWN;	break;				case 0x183: usage->code = KEY_CONFIG;		break;				case 0x18a: usage->code = KEY_MAIL;		break;				case 0x192: usage->code = KEY_CALC;		break;				case 0x194: usage->code = KEY_FILE;		break;				case 0x21a: usage->code = KEY_UNDO;		break;				case 0x21b: usage->code = KEY_COPY;		break;				case 0x21c: usage->code = KEY_CUT;		break;				case 0x21d: usage->code = KEY_PASTE;		break;				case 0x221: usage->code = KEY_FIND;		break;				case 0x223: usage->code = KEY_HOMEPAGE;		break;				case 0x224: usage->code = KEY_BACK;		break;				case 0x225: usage->code = KEY_FORWARD;		break;				case 0x226: usage->code = KEY_STOP;		break;				case 0x227: usage->code = KEY_REFRESH;		break;				case 0x22a: usage->code = KEY_BOOKMARKS;	break;				default:    usage->code = KEY_UNKNOWN;		break;			}			if (is_abs) {			        usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX;			} else  {				usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;			}			break;		case HID_UP_HPVENDOR:	/* Reported on a Dutch layout HP5308 */			set_bit(EV_REP, input->evbit);			switch (usage->hid & HID_USAGE) {			        case 0x021: usage->code = KEY_PRINT;            break;				case 0x070: usage->code = KEY_HP;		break;				case 0x071: usage->code = KEY_CAMERA;		break;				case 0x072: usage->code = KEY_SOUND;		break;				case 0x073: usage->code = KEY_QUESTION;		break;				case 0x080: usage->code = KEY_EMAIL;		break;				case 0x081: usage->code = KEY_CHAT;		break;				case 0x082: usage->code = KEY_SEARCH;		break;				case 0x083: usage->code = KEY_CONNECT;	        break;				case 0x084: usage->code = KEY_FINANCE;		break;				case 0x085: usage->code = KEY_SPORT;		break;				case 0x086: usage->code = KEY_SHOP;	        break;				default:    usage->code = KEY_UNKNOWN;		break;			}			usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX;			break;					case HID_UP_PID:			usage->type = EV_FF; bit = input->ffbit; max = FF_MAX;						switch(usage->hid & HID_USAGE) {				case 0x26: set_bit(FF_CONSTANT, input->ffbit); break;				case 0x27: set_bit(FF_RAMP,     input->ffbit); break;				case 0x28: set_bit(FF_CUSTOM,   input->ffbit); break;				case 0x30: set_bit(FF_SQUARE,   input->ffbit);				           set_bit(FF_PERIODIC, input->ffbit); break;				case 0x31: set_bit(FF_SINE,     input->ffbit);				           set_bit(FF_PERIODIC, input->ffbit); break;				case 0x32: set_bit(FF_TRIANGLE, input->ffbit);				           set_bit(FF_PERIODIC, input->ffbit); break;				case 0x33: set_bit(FF_SAW_UP,   input->ffbit);				           set_bit(FF_PERIODIC, input->ffbit); break;				case 0x34: set_bit(FF_SAW_DOWN, input->ffbit);