extractedLnx/linux-2.6.18/drivers/usb/input/hid-input.c_hidinput_configure_usage.c

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:

			set_bit(EV_FF, input->evbit);
			switch(usage->hid & HID_USAGE) {
				case 0x26: map_ff_effect(FF_CONSTANT);	goto ignore;
				case 0x27: map_ff_effect(FF_RAMP);	goto ignore;
				case 0x28: map_ff_effect(FF_CUSTOM);	goto ignore;
				case 0x30: map_ff_effect(FF_SQUARE);	map_ff_effect(FF_PERIODIC); goto ignore;
				case 0x31: map_ff_effect(FF_SINE);	map_ff_effect(FF_PERIODIC); goto ignore;
				case 0x32: map_ff_effect(FF_TRIANGLE);	map_ff_effect(FF_PERIODIC); goto ignore;
				case 0x33: map_ff_effect(FF_SAW_UP);	map_ff_effect(FF_PERIODIC); goto ignore;
				case 0x34: map_ff_effect(FF_SAW_DOWN);	map_ff_effect(FF_PERIODIC); goto ignore;
				case 0x40: map_ff_effect(FF_SPRING);	goto ignore;
				case 0x41: map_ff_effect(FF_DAMPER);	goto ignore;
				case 0x42: map_ff_effect(FF_INERTIA);	goto ignore;
				case 0x43: map_ff_effect(FF_FRICTION);	goto ignore;
				case 0x7e: map_ff(FF_GAIN);		break;
				case 0x83: input->ff_effects_max = field->value[0]; goto ignore;
				case 0x98: map_ff(FF_AUTOCENTER);	break;
				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;
}