xref: /openbmc/linux/drivers/hid/wacom_wac.c (revision 680ef72a)
1 /*
2  * drivers/input/tablet/wacom_wac.c
3  *
4  *  USB Wacom tablet support - Wacom specific code
5  *
6  */
7 
8 /*
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  */
14 
15 #include "wacom_wac.h"
16 #include "wacom.h"
17 #include <linux/input/mt.h>
18 
19 /* resolution for penabled devices */
20 #define WACOM_PL_RES		20
21 #define WACOM_PENPRTN_RES	40
22 #define WACOM_VOLITO_RES	50
23 #define WACOM_GRAPHIRE_RES	80
24 #define WACOM_INTUOS_RES	100
25 #define WACOM_INTUOS3_RES	200
26 
27 /* Newer Cintiq and DTU have an offset between tablet and screen areas */
28 #define WACOM_DTU_OFFSET	200
29 #define WACOM_CINTIQ_OFFSET	400
30 
31 /*
32  * Scale factor relating reported contact size to logical contact area.
33  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
34  */
35 #define WACOM_CONTACT_AREA_SCALE 2607
36 
37 static bool touch_arbitration = 1;
38 module_param(touch_arbitration, bool, 0644);
39 MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
40 
41 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
42 				int button_count, int mask);
43 
44 static int wacom_numbered_button_to_key(int n);
45 
46 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
47 			     int group);
48 /*
49  * Percent of battery capacity for Graphire.
50  * 8th value means AC online and show 100% capacity.
51  */
52 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
53 
54 /*
55  * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
56  */
57 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
58 
59 static void __wacom_notify_battery(struct wacom_battery *battery,
60 				   int bat_status, int bat_capacity,
61 				   bool bat_charging, bool bat_connected,
62 				   bool ps_connected)
63 {
64 	bool changed = battery->bat_status       != bat_status    ||
65 		       battery->battery_capacity != bat_capacity  ||
66 		       battery->bat_charging     != bat_charging  ||
67 		       battery->bat_connected    != bat_connected ||
68 		       battery->ps_connected     != ps_connected;
69 
70 	if (changed) {
71 		battery->bat_status = bat_status;
72 		battery->battery_capacity = bat_capacity;
73 		battery->bat_charging = bat_charging;
74 		battery->bat_connected = bat_connected;
75 		battery->ps_connected = ps_connected;
76 
77 		if (battery->battery)
78 			power_supply_changed(battery->battery);
79 	}
80 }
81 
82 static void wacom_notify_battery(struct wacom_wac *wacom_wac,
83 	int bat_status, int bat_capacity, bool bat_charging,
84 	bool bat_connected, bool ps_connected)
85 {
86 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
87 
88 	__wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
89 			       bat_charging, bat_connected, ps_connected);
90 }
91 
92 static int wacom_penpartner_irq(struct wacom_wac *wacom)
93 {
94 	unsigned char *data = wacom->data;
95 	struct input_dev *input = wacom->pen_input;
96 
97 	switch (data[0]) {
98 	case 1:
99 		if (data[5] & 0x80) {
100 			wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
101 			wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
102 			input_report_key(input, wacom->tool[0], 1);
103 			input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
104 			input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
105 			input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
106 			input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
107 			input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
108 			input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
109 		} else {
110 			input_report_key(input, wacom->tool[0], 0);
111 			input_report_abs(input, ABS_MISC, 0); /* report tool id */
112 			input_report_abs(input, ABS_PRESSURE, -1);
113 			input_report_key(input, BTN_TOUCH, 0);
114 		}
115 		break;
116 
117 	case 2:
118 		input_report_key(input, BTN_TOOL_PEN, 1);
119 		input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
120 		input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
121 		input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
122 		input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
123 		input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
124 		input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
125 		break;
126 
127 	default:
128 		dev_dbg(input->dev.parent,
129 			"%s: received unknown report #%d\n", __func__, data[0]);
130 		return 0;
131         }
132 
133 	return 1;
134 }
135 
136 static int wacom_pl_irq(struct wacom_wac *wacom)
137 {
138 	struct wacom_features *features = &wacom->features;
139 	unsigned char *data = wacom->data;
140 	struct input_dev *input = wacom->pen_input;
141 	int prox, pressure;
142 
143 	if (data[0] != WACOM_REPORT_PENABLED) {
144 		dev_dbg(input->dev.parent,
145 			"%s: received unknown report #%d\n", __func__, data[0]);
146 		return 0;
147 	}
148 
149 	prox = data[1] & 0x40;
150 
151 	if (!wacom->id[0]) {
152 		if ((data[0] & 0x10) || (data[4] & 0x20)) {
153 			wacom->tool[0] = BTN_TOOL_RUBBER;
154 			wacom->id[0] = ERASER_DEVICE_ID;
155 		}
156 		else {
157 			wacom->tool[0] = BTN_TOOL_PEN;
158 			wacom->id[0] = STYLUS_DEVICE_ID;
159 		}
160 	}
161 
162 	/* If the eraser is in prox, STYLUS2 is always set. If we
163 	 * mis-detected the type and notice that STYLUS2 isn't set
164 	 * then force the eraser out of prox and let the pen in.
165 	 */
166 	if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
167 		input_report_key(input, BTN_TOOL_RUBBER, 0);
168 		input_report_abs(input, ABS_MISC, 0);
169 		input_sync(input);
170 		wacom->tool[0] = BTN_TOOL_PEN;
171 		wacom->id[0] = STYLUS_DEVICE_ID;
172 	}
173 
174 	if (prox) {
175 		pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
176 		if (features->pressure_max > 255)
177 			pressure = (pressure << 1) | ((data[4] >> 6) & 1);
178 		pressure += (features->pressure_max + 1) / 2;
179 
180 		input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
181 		input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
182 		input_report_abs(input, ABS_PRESSURE, pressure);
183 
184 		input_report_key(input, BTN_TOUCH, data[4] & 0x08);
185 		input_report_key(input, BTN_STYLUS, data[4] & 0x10);
186 		/* Only allow the stylus2 button to be reported for the pen tool. */
187 		input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
188 	}
189 
190 	if (!prox)
191 		wacom->id[0] = 0;
192 	input_report_key(input, wacom->tool[0], prox);
193 	input_report_abs(input, ABS_MISC, wacom->id[0]);
194 	return 1;
195 }
196 
197 static int wacom_ptu_irq(struct wacom_wac *wacom)
198 {
199 	unsigned char *data = wacom->data;
200 	struct input_dev *input = wacom->pen_input;
201 
202 	if (data[0] != WACOM_REPORT_PENABLED) {
203 		dev_dbg(input->dev.parent,
204 			"%s: received unknown report #%d\n", __func__, data[0]);
205 		return 0;
206 	}
207 
208 	if (data[1] & 0x04) {
209 		input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
210 		input_report_key(input, BTN_TOUCH, data[1] & 0x08);
211 		wacom->id[0] = ERASER_DEVICE_ID;
212 	} else {
213 		input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
214 		input_report_key(input, BTN_TOUCH, data[1] & 0x01);
215 		wacom->id[0] = STYLUS_DEVICE_ID;
216 	}
217 	input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
218 	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
219 	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
220 	input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
221 	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
222 	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
223 	return 1;
224 }
225 
226 static int wacom_dtu_irq(struct wacom_wac *wacom)
227 {
228 	unsigned char *data = wacom->data;
229 	struct input_dev *input = wacom->pen_input;
230 	int prox = data[1] & 0x20;
231 
232 	dev_dbg(input->dev.parent,
233 		"%s: received report #%d", __func__, data[0]);
234 
235 	if (prox) {
236 		/* Going into proximity select tool */
237 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
238 		if (wacom->tool[0] == BTN_TOOL_PEN)
239 			wacom->id[0] = STYLUS_DEVICE_ID;
240 		else
241 			wacom->id[0] = ERASER_DEVICE_ID;
242 	}
243 	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
244 	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
245 	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
246 	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
247 	input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
248 	input_report_key(input, BTN_TOUCH, data[1] & 0x05);
249 	if (!prox) /* out-prox */
250 		wacom->id[0] = 0;
251 	input_report_key(input, wacom->tool[0], prox);
252 	input_report_abs(input, ABS_MISC, wacom->id[0]);
253 	return 1;
254 }
255 
256 static int wacom_dtus_irq(struct wacom_wac *wacom)
257 {
258 	char *data = wacom->data;
259 	struct input_dev *input = wacom->pen_input;
260 	unsigned short prox, pressure = 0;
261 
262 	if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
263 		dev_dbg(input->dev.parent,
264 			"%s: received unknown report #%d", __func__, data[0]);
265 		return 0;
266 	} else if (data[0] == WACOM_REPORT_DTUSPAD) {
267 		input = wacom->pad_input;
268 		input_report_key(input, BTN_0, (data[1] & 0x01));
269 		input_report_key(input, BTN_1, (data[1] & 0x02));
270 		input_report_key(input, BTN_2, (data[1] & 0x04));
271 		input_report_key(input, BTN_3, (data[1] & 0x08));
272 		input_report_abs(input, ABS_MISC,
273 				 data[1] & 0x0f ? PAD_DEVICE_ID : 0);
274 		return 1;
275 	} else {
276 		prox = data[1] & 0x80;
277 		if (prox) {
278 			switch ((data[1] >> 3) & 3) {
279 			case 1: /* Rubber */
280 				wacom->tool[0] = BTN_TOOL_RUBBER;
281 				wacom->id[0] = ERASER_DEVICE_ID;
282 				break;
283 
284 			case 2: /* Pen */
285 				wacom->tool[0] = BTN_TOOL_PEN;
286 				wacom->id[0] = STYLUS_DEVICE_ID;
287 				break;
288 			}
289 		}
290 
291 		input_report_key(input, BTN_STYLUS, data[1] & 0x20);
292 		input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
293 		input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
294 		input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
295 		pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
296 		input_report_abs(input, ABS_PRESSURE, pressure);
297 		input_report_key(input, BTN_TOUCH, pressure > 10);
298 
299 		if (!prox) /* out-prox */
300 			wacom->id[0] = 0;
301 		input_report_key(input, wacom->tool[0], prox);
302 		input_report_abs(input, ABS_MISC, wacom->id[0]);
303 		return 1;
304 	}
305 }
306 
307 static int wacom_graphire_irq(struct wacom_wac *wacom)
308 {
309 	struct wacom_features *features = &wacom->features;
310 	unsigned char *data = wacom->data;
311 	struct input_dev *input = wacom->pen_input;
312 	struct input_dev *pad_input = wacom->pad_input;
313 	int battery_capacity, ps_connected;
314 	int prox;
315 	int rw = 0;
316 	int retval = 0;
317 
318 	if (features->type == GRAPHIRE_BT) {
319 		if (data[0] != WACOM_REPORT_PENABLED_BT) {
320 			dev_dbg(input->dev.parent,
321 				"%s: received unknown report #%d\n", __func__,
322 				data[0]);
323 			goto exit;
324 		}
325 	} else if (data[0] != WACOM_REPORT_PENABLED) {
326 		dev_dbg(input->dev.parent,
327 			"%s: received unknown report #%d\n", __func__, data[0]);
328 		goto exit;
329 	}
330 
331 	prox = data[1] & 0x80;
332 	if (prox || wacom->id[0]) {
333 		if (prox) {
334 			switch ((data[1] >> 5) & 3) {
335 
336 			case 0:	/* Pen */
337 				wacom->tool[0] = BTN_TOOL_PEN;
338 				wacom->id[0] = STYLUS_DEVICE_ID;
339 				break;
340 
341 			case 1: /* Rubber */
342 				wacom->tool[0] = BTN_TOOL_RUBBER;
343 				wacom->id[0] = ERASER_DEVICE_ID;
344 				break;
345 
346 			case 2: /* Mouse with wheel */
347 				input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
348 				/* fall through */
349 
350 			case 3: /* Mouse without wheel */
351 				wacom->tool[0] = BTN_TOOL_MOUSE;
352 				wacom->id[0] = CURSOR_DEVICE_ID;
353 				break;
354 			}
355 		}
356 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
357 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
358 		if (wacom->tool[0] != BTN_TOOL_MOUSE) {
359 			if (features->type == GRAPHIRE_BT)
360 				input_report_abs(input, ABS_PRESSURE, data[6] |
361 					(((__u16) (data[1] & 0x08)) << 5));
362 			else
363 				input_report_abs(input, ABS_PRESSURE, data[6] |
364 					((data[7] & 0x03) << 8));
365 			input_report_key(input, BTN_TOUCH, data[1] & 0x01);
366 			input_report_key(input, BTN_STYLUS, data[1] & 0x02);
367 			input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
368 		} else {
369 			input_report_key(input, BTN_LEFT, data[1] & 0x01);
370 			input_report_key(input, BTN_RIGHT, data[1] & 0x02);
371 			if (features->type == WACOM_G4 ||
372 					features->type == WACOM_MO) {
373 				input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
374 				rw = (data[7] & 0x04) - (data[7] & 0x03);
375 			} else if (features->type == GRAPHIRE_BT) {
376 				/* Compute distance between mouse and tablet */
377 				rw = 44 - (data[6] >> 2);
378 				rw = clamp_val(rw, 0, 31);
379 				input_report_abs(input, ABS_DISTANCE, rw);
380 				if (((data[1] >> 5) & 3) == 2) {
381 					/* Mouse with wheel */
382 					input_report_key(input, BTN_MIDDLE,
383 							data[1] & 0x04);
384 					rw = (data[6] & 0x01) ? -1 :
385 						(data[6] & 0x02) ? 1 : 0;
386 				} else {
387 					rw = 0;
388 				}
389 			} else {
390 				input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
391 				rw = -(signed char)data[6];
392 			}
393 			input_report_rel(input, REL_WHEEL, rw);
394 		}
395 
396 		if (!prox)
397 			wacom->id[0] = 0;
398 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
399 		input_report_key(input, wacom->tool[0], prox);
400 		input_sync(input); /* sync last event */
401 	}
402 
403 	/* send pad data */
404 	switch (features->type) {
405 	case WACOM_G4:
406 		prox = data[7] & 0xf8;
407 		if (prox || wacom->id[1]) {
408 			wacom->id[1] = PAD_DEVICE_ID;
409 			input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
410 			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
411 			rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
412 			input_report_rel(pad_input, REL_WHEEL, rw);
413 			if (!prox)
414 				wacom->id[1] = 0;
415 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
416 			retval = 1;
417 		}
418 		break;
419 
420 	case WACOM_MO:
421 		prox = (data[7] & 0xf8) || data[8];
422 		if (prox || wacom->id[1]) {
423 			wacom->id[1] = PAD_DEVICE_ID;
424 			input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
425 			input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
426 			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
427 			input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
428 			input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
429 			if (!prox)
430 				wacom->id[1] = 0;
431 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
432 			retval = 1;
433 		}
434 		break;
435 	case GRAPHIRE_BT:
436 		prox = data[7] & 0x03;
437 		if (prox || wacom->id[1]) {
438 			wacom->id[1] = PAD_DEVICE_ID;
439 			input_report_key(pad_input, BTN_0, (data[7] & 0x02));
440 			input_report_key(pad_input, BTN_1, (data[7] & 0x01));
441 			if (!prox)
442 				wacom->id[1] = 0;
443 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
444 			retval = 1;
445 		}
446 		break;
447 	}
448 
449 	/* Store current battery capacity and power supply state */
450 	if (features->type == GRAPHIRE_BT) {
451 		rw = (data[7] >> 2 & 0x07);
452 		battery_capacity = batcap_gr[rw];
453 		ps_connected = rw == 7;
454 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
455 				     battery_capacity, ps_connected, 1,
456 				     ps_connected);
457 	}
458 exit:
459 	return retval;
460 }
461 
462 static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
463 {
464 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
465 	struct wacom_features *features = &wacom_wac->features;
466 	struct hid_report *r;
467 	struct hid_report_enum *re;
468 
469 	re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
470 	if (features->type == INTUOSHT2)
471 		r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
472 	else
473 		r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
474 	if (r) {
475 		hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
476 	}
477 }
478 
479 static int wacom_intuos_pad(struct wacom_wac *wacom)
480 {
481 	struct wacom_features *features = &wacom->features;
482 	unsigned char *data = wacom->data;
483 	struct input_dev *input = wacom->pad_input;
484 	int i;
485 	int buttons = 0, nbuttons = features->numbered_buttons;
486 	int keys = 0, nkeys = 0;
487 	int ring1 = 0, ring2 = 0;
488 	int strip1 = 0, strip2 = 0;
489 	bool prox = false;
490 
491 	/* pad packets. Works as a second tool and is always in prox */
492 	if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
493 	      data[0] == WACOM_REPORT_CINTIQPAD))
494 		return 0;
495 
496 	if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
497 		buttons = (data[3] << 1) | (data[2] & 0x01);
498 		ring1 = data[1];
499 	} else if (features->type == DTK) {
500 		buttons = data[6];
501 	} else if (features->type == WACOM_13HD) {
502 		buttons = (data[4] << 1) | (data[3] & 0x01);
503 	} else if (features->type == WACOM_24HD) {
504 		buttons = (data[8] << 8) | data[6];
505 		ring1 = data[1];
506 		ring2 = data[2];
507 
508 		/*
509 		 * Three "buttons" are available on the 24HD which are
510 		 * physically implemented as a touchstrip. Each button
511 		 * is approximately 3 bits wide with a 2 bit spacing.
512 		 * The raw touchstrip bits are stored at:
513 		 *    ((data[3] & 0x1f) << 8) | data[4])
514 		 */
515 		nkeys = 3;
516 		keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
517 		       ((data[4] & 0xE0) ? 1<<1 : 0) |
518 		       ((data[4] & 0x07) ? 1<<0 : 0);
519 	} else if (features->type == WACOM_27QHD) {
520 		nkeys = 3;
521 		keys = data[2] & 0x07;
522 
523 		input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
524 		input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
525 		input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
526 	} else if (features->type == CINTIQ_HYBRID) {
527 		/*
528 		 * Do not send hardware buttons under Android. They
529 		 * are already sent to the system through GPIO (and
530 		 * have different meaning).
531 		 *
532 		 * d-pad right  -> data[4] & 0x10
533 		 * d-pad up     -> data[4] & 0x20
534 		 * d-pad left   -> data[4] & 0x40
535 		 * d-pad down   -> data[4] & 0x80
536 		 * d-pad center -> data[3] & 0x01
537 		 */
538 		buttons = (data[4] << 1) | (data[3] & 0x01);
539 	} else if (features->type == CINTIQ_COMPANION_2) {
540 		/* d-pad right  -> data[4] & 0x10
541 		 * d-pad up     -> data[4] & 0x20
542 		 * d-pad left   -> data[4] & 0x40
543 		 * d-pad down   -> data[4] & 0x80
544 		 * d-pad center -> data[3] & 0x01
545 		 */
546 		buttons = ((data[2] >> 4) << 7) |
547 		          ((data[1] & 0x04) << 6) |
548 		          ((data[2] & 0x0F) << 2) |
549 		          (data[1] & 0x03);
550 	} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
551 		/*
552 		 * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
553 		 * addition to the mechanical switch. Switch data is
554 		 * stored in data[4], capacitive data in data[5].
555 		 *
556 		 * Touch ring mode switch (data[3]) has no capacitive sensor
557 		 */
558 		buttons = (data[4] << 1) | (data[3] & 0x01);
559 		ring1 = data[2];
560 	} else {
561 		if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
562 			buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
563 			          (data[6] << 1) | (data[5] & 0x01);
564 
565 			if (features->type == WACOM_22HD) {
566 				nkeys = 3;
567 				keys = data[9] & 0x07;
568 			}
569 		} else {
570 			buttons = ((data[6] & 0x10) << 5)  |
571 			          ((data[5] & 0x10) << 4)  |
572 			          ((data[6] & 0x0F) << 4)  |
573 			          (data[5] & 0x0F);
574 		}
575 		strip1 = ((data[1] & 0x1f) << 8) | data[2];
576 		strip2 = ((data[3] & 0x1f) << 8) | data[4];
577 	}
578 
579 	prox = (buttons & ~(~0 << nbuttons)) | (keys & ~(~0 << nkeys)) |
580 	       (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
581 
582 	wacom_report_numbered_buttons(input, nbuttons, buttons);
583 
584 	for (i = 0; i < nkeys; i++)
585 		input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
586 
587 	input_report_abs(input, ABS_RX, strip1);
588 	input_report_abs(input, ABS_RY, strip2);
589 
590 	input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
591 	input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
592 
593 	input_report_key(input, wacom->tool[1], prox ? 1 : 0);
594 	input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
595 
596 	input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
597 
598 	return 1;
599 }
600 
601 static int wacom_intuos_id_mangle(int tool_id)
602 {
603 	return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
604 }
605 
606 static int wacom_intuos_get_tool_type(int tool_id)
607 {
608 	int tool_type;
609 
610 	switch (tool_id) {
611 	case 0x812: /* Inking pen */
612 	case 0x801: /* Intuos3 Inking pen */
613 	case 0x12802: /* Intuos4/5 Inking Pen */
614 	case 0x012:
615 		tool_type = BTN_TOOL_PENCIL;
616 		break;
617 
618 	case 0x822: /* Pen */
619 	case 0x842:
620 	case 0x852:
621 	case 0x823: /* Intuos3 Grip Pen */
622 	case 0x813: /* Intuos3 Classic Pen */
623 	case 0x885: /* Intuos3 Marker Pen */
624 	case 0x802: /* Intuos4/5 13HD/24HD General Pen */
625 	case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
626 	case 0x8e2: /* IntuosHT2 pen */
627 	case 0x022:
628 	case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
629 	case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
630 	case 0x16802: /* Cintiq 13HD Pro Pen */
631 	case 0x18802: /* DTH2242 Pen */
632 	case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
633 		tool_type = BTN_TOOL_PEN;
634 		break;
635 
636 	case 0x832: /* Stroke pen */
637 	case 0x032:
638 		tool_type = BTN_TOOL_BRUSH;
639 		break;
640 
641 	case 0x007: /* Mouse 4D and 2D */
642 	case 0x09c:
643 	case 0x094:
644 	case 0x017: /* Intuos3 2D Mouse */
645 	case 0x806: /* Intuos4 Mouse */
646 		tool_type = BTN_TOOL_MOUSE;
647 		break;
648 
649 	case 0x096: /* Lens cursor */
650 	case 0x097: /* Intuos3 Lens cursor */
651 	case 0x006: /* Intuos4 Lens cursor */
652 		tool_type = BTN_TOOL_LENS;
653 		break;
654 
655 	case 0x82a: /* Eraser */
656 	case 0x84a:
657 	case 0x85a:
658 	case 0x91a:
659 	case 0xd1a:
660 	case 0x0fa:
661 	case 0x82b: /* Intuos3 Grip Pen Eraser */
662 	case 0x81b: /* Intuos3 Classic Pen Eraser */
663 	case 0x91b: /* Intuos3 Airbrush Eraser */
664 	case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
665 	case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
666 	case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
667 	case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
668 	case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
669 	case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
670 	case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
671 	case 0x1880a: /* DTH2242 Eraser */
672 	case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
673 		tool_type = BTN_TOOL_RUBBER;
674 		break;
675 
676 	case 0xd12:
677 	case 0x912:
678 	case 0x112:
679 	case 0x913: /* Intuos3 Airbrush */
680 	case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
681 	case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
682 		tool_type = BTN_TOOL_AIRBRUSH;
683 		break;
684 
685 	default: /* Unknown tool */
686 		tool_type = BTN_TOOL_PEN;
687 		break;
688 	}
689 	return tool_type;
690 }
691 
692 static int wacom_intuos_inout(struct wacom_wac *wacom)
693 {
694 	struct wacom_features *features = &wacom->features;
695 	unsigned char *data = wacom->data;
696 	struct input_dev *input = wacom->pen_input;
697 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
698 
699 	if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
700 	    ((data[1] & 0xfe) == 0x20) ||    /* in range */
701 	    ((data[1] & 0xfe) == 0x80)))     /* out prox */
702 		return 0;
703 
704 	/* Enter report */
705 	if ((data[1] & 0xfc) == 0xc0) {
706 		/* serial number of the tool */
707 		wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
708 			(data[4] << 20) + (data[5] << 12) +
709 			(data[6] << 4) + (data[7] >> 4);
710 
711 		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
712 		     ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
713 
714 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
715 
716 		wacom->shared->stylus_in_proximity = true;
717 		return 1;
718 	}
719 
720 	/* in Range */
721 	if ((data[1] & 0xfe) == 0x20) {
722 		if (features->type != INTUOSHT2)
723 			wacom->shared->stylus_in_proximity = true;
724 
725 		/* in Range while exiting */
726 		if (wacom->reporting_data) {
727 			input_report_key(input, BTN_TOUCH, 0);
728 			input_report_abs(input, ABS_PRESSURE, 0);
729 			input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
730 			return 2;
731 		}
732 		return 1;
733 	}
734 
735 	/* Exit report */
736 	if ((data[1] & 0xfe) == 0x80) {
737 		wacom->shared->stylus_in_proximity = false;
738 		wacom->reporting_data = false;
739 
740 		/* don't report exit if we don't know the ID */
741 		if (!wacom->id[idx])
742 			return 1;
743 
744 		/*
745 		 * Reset all states otherwise we lose the initial states
746 		 * when in-prox next time
747 		 */
748 		input_report_abs(input, ABS_X, 0);
749 		input_report_abs(input, ABS_Y, 0);
750 		input_report_abs(input, ABS_DISTANCE, 0);
751 		input_report_abs(input, ABS_TILT_X, 0);
752 		input_report_abs(input, ABS_TILT_Y, 0);
753 		if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
754 			input_report_key(input, BTN_LEFT, 0);
755 			input_report_key(input, BTN_MIDDLE, 0);
756 			input_report_key(input, BTN_RIGHT, 0);
757 			input_report_key(input, BTN_SIDE, 0);
758 			input_report_key(input, BTN_EXTRA, 0);
759 			input_report_abs(input, ABS_THROTTLE, 0);
760 			input_report_abs(input, ABS_RZ, 0);
761 		} else {
762 			input_report_abs(input, ABS_PRESSURE, 0);
763 			input_report_key(input, BTN_STYLUS, 0);
764 			input_report_key(input, BTN_STYLUS2, 0);
765 			input_report_key(input, BTN_TOUCH, 0);
766 			input_report_abs(input, ABS_WHEEL, 0);
767 			if (features->type >= INTUOS3S)
768 				input_report_abs(input, ABS_Z, 0);
769 		}
770 		input_report_key(input, wacom->tool[idx], 0);
771 		input_report_abs(input, ABS_MISC, 0); /* reset tool id */
772 		input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
773 		wacom->id[idx] = 0;
774 		return 2;
775 	}
776 
777 	return 0;
778 }
779 
780 static inline bool report_touch_events(struct wacom_wac *wacom)
781 {
782 	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
783 }
784 
785 static inline bool delay_pen_events(struct wacom_wac *wacom)
786 {
787 	return (wacom->shared->touch_down && touch_arbitration);
788 }
789 
790 static int wacom_intuos_general(struct wacom_wac *wacom)
791 {
792 	struct wacom_features *features = &wacom->features;
793 	unsigned char *data = wacom->data;
794 	struct input_dev *input = wacom->pen_input;
795 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
796 	unsigned char type = (data[1] >> 1) & 0x0F;
797 	unsigned int x, y, distance, t;
798 
799 	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
800 		data[0] != WACOM_REPORT_INTUOS_PEN)
801 		return 0;
802 
803 	if (delay_pen_events(wacom))
804 		return 1;
805 
806 	/* don't report events if we don't know the tool ID */
807 	if (!wacom->id[idx]) {
808 		/* but reschedule a read of the current tool */
809 		wacom_intuos_schedule_prox_event(wacom);
810 		return 1;
811 	}
812 
813 	/*
814 	 * don't report events for invalid data
815 	 */
816 	/* older I4 styli don't work with new Cintiqs */
817 	if ((!((wacom->id[idx] >> 16) & 0x01) &&
818 			(features->type == WACOM_21UX2)) ||
819 	    /* Only large Intuos support Lense Cursor */
820 	    (wacom->tool[idx] == BTN_TOOL_LENS &&
821 		(features->type == INTUOS3 ||
822 		 features->type == INTUOS3S ||
823 		 features->type == INTUOS4 ||
824 		 features->type == INTUOS4S ||
825 		 features->type == INTUOS5 ||
826 		 features->type == INTUOS5S ||
827 		 features->type == INTUOSPM ||
828 		 features->type == INTUOSPS)) ||
829 	   /* Cintiq doesn't send data when RDY bit isn't set */
830 	   (features->type == CINTIQ && !(data[1] & 0x40)))
831 		return 1;
832 
833 	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
834 	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
835 	distance = data[9] >> 2;
836 	if (features->type < INTUOS3S) {
837 		x >>= 1;
838 		y >>= 1;
839 		distance >>= 1;
840 	}
841 	input_report_abs(input, ABS_X, x);
842 	input_report_abs(input, ABS_Y, y);
843 	input_report_abs(input, ABS_DISTANCE, distance);
844 
845 	switch (type) {
846 	case 0x00:
847 	case 0x01:
848 	case 0x02:
849 	case 0x03:
850 		/* general pen packet */
851 		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
852 		if (features->pressure_max < 2047)
853 			t >>= 1;
854 		input_report_abs(input, ABS_PRESSURE, t);
855 		if (features->type != INTUOSHT2) {
856 		    input_report_abs(input, ABS_TILT_X,
857 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
858 		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
859 		}
860 		input_report_key(input, BTN_STYLUS, data[1] & 2);
861 		input_report_key(input, BTN_STYLUS2, data[1] & 4);
862 		input_report_key(input, BTN_TOUCH, t > 10);
863 		break;
864 
865 	case 0x0a:
866 		/* airbrush second packet */
867 		input_report_abs(input, ABS_WHEEL,
868 				(data[6] << 2) | ((data[7] >> 6) & 3));
869 		input_report_abs(input, ABS_TILT_X,
870 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
871 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
872 		break;
873 
874 	case 0x05:
875 		/* Rotation packet */
876 		if (features->type >= INTUOS3S) {
877 			/* I3 marker pen rotation */
878 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
879 			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
880 				((t-1) / 2 + 450)) : (450 - t / 2) ;
881 			input_report_abs(input, ABS_Z, t);
882 		} else {
883 			/* 4D mouse 2nd packet */
884 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
885 			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
886 				((t - 1) / 2) : -t / 2);
887 		}
888 		break;
889 
890 	case 0x04:
891 		/* 4D mouse 1st packet */
892 		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
893 		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
894 		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
895 
896 		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
897 		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
898 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
899 		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
900 		break;
901 
902 	case 0x06:
903 		/* I4 mouse */
904 		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
905 		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
906 		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
907 		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
908 				 - ((data[7] & 0x40) >> 6));
909 		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
910 		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
911 
912 		input_report_abs(input, ABS_TILT_X,
913 			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
914 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
915 		break;
916 
917 	case 0x08:
918 		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
919 			/* 2D mouse packet */
920 			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
921 			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
922 			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
923 			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
924 					 - ((data[8] & 0x02) >> 1));
925 
926 			/* I3 2D mouse side buttons */
927 			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
928 				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
929 				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
930 			}
931 		}
932 		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
933 			/* Lens cursor packets */
934 			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
935 			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
936 			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
937 			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
938 			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
939 		}
940 		break;
941 
942 	case 0x07:
943 	case 0x09:
944 	case 0x0b:
945 	case 0x0c:
946 	case 0x0d:
947 	case 0x0e:
948 	case 0x0f:
949 		/* unhandled */
950 		break;
951 	}
952 
953 	input_report_abs(input, ABS_MISC,
954 			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
955 	input_report_key(input, wacom->tool[idx], 1);
956 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
957 	wacom->reporting_data = true;
958 	return 2;
959 }
960 
961 static int wacom_intuos_irq(struct wacom_wac *wacom)
962 {
963 	unsigned char *data = wacom->data;
964 	struct input_dev *input = wacom->pen_input;
965 	int result;
966 
967 	if (data[0] != WACOM_REPORT_PENABLED &&
968 	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
969 	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
970 	    data[0] != WACOM_REPORT_INTUOSPAD &&
971 	    data[0] != WACOM_REPORT_INTUOS_PEN &&
972 	    data[0] != WACOM_REPORT_CINTIQ &&
973 	    data[0] != WACOM_REPORT_CINTIQPAD &&
974 	    data[0] != WACOM_REPORT_INTUOS5PAD) {
975 		dev_dbg(input->dev.parent,
976 			"%s: received unknown report #%d\n", __func__, data[0]);
977                 return 0;
978 	}
979 
980 	/* process pad events */
981 	result = wacom_intuos_pad(wacom);
982 	if (result)
983 		return result;
984 
985 	/* process in/out prox events */
986 	result = wacom_intuos_inout(wacom);
987 	if (result)
988 		return result - 1;
989 
990 	/* process general packets */
991 	result = wacom_intuos_general(wacom);
992 	if (result)
993 		return result - 1;
994 
995 	return 0;
996 }
997 
998 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
999 {
1000 	unsigned char *data = wacom_wac->data;
1001 	struct input_dev *input;
1002 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1003 	struct wacom_remote *remote = wacom->remote;
1004 	int bat_charging, bat_percent, touch_ring_mode;
1005 	__u32 serial;
1006 	int i, index = -1;
1007 	unsigned long flags;
1008 
1009 	if (data[0] != WACOM_REPORT_REMOTE) {
1010 		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1011 			__func__, data[0]);
1012 		return 0;
1013 	}
1014 
1015 	serial = data[3] + (data[4] << 8) + (data[5] << 16);
1016 	wacom_wac->id[0] = PAD_DEVICE_ID;
1017 
1018 	spin_lock_irqsave(&remote->remote_lock, flags);
1019 
1020 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1021 		if (remote->remotes[i].serial == serial) {
1022 			index = i;
1023 			break;
1024 		}
1025 	}
1026 
1027 	if (index < 0 || !remote->remotes[index].registered)
1028 		goto out;
1029 
1030 	input = remote->remotes[index].input;
1031 
1032 	input_report_key(input, BTN_0, (data[9] & 0x01));
1033 	input_report_key(input, BTN_1, (data[9] & 0x02));
1034 	input_report_key(input, BTN_2, (data[9] & 0x04));
1035 	input_report_key(input, BTN_3, (data[9] & 0x08));
1036 	input_report_key(input, BTN_4, (data[9] & 0x10));
1037 	input_report_key(input, BTN_5, (data[9] & 0x20));
1038 	input_report_key(input, BTN_6, (data[9] & 0x40));
1039 	input_report_key(input, BTN_7, (data[9] & 0x80));
1040 
1041 	input_report_key(input, BTN_8, (data[10] & 0x01));
1042 	input_report_key(input, BTN_9, (data[10] & 0x02));
1043 	input_report_key(input, BTN_A, (data[10] & 0x04));
1044 	input_report_key(input, BTN_B, (data[10] & 0x08));
1045 	input_report_key(input, BTN_C, (data[10] & 0x10));
1046 	input_report_key(input, BTN_X, (data[10] & 0x20));
1047 	input_report_key(input, BTN_Y, (data[10] & 0x40));
1048 	input_report_key(input, BTN_Z, (data[10] & 0x80));
1049 
1050 	input_report_key(input, BTN_BASE, (data[11] & 0x01));
1051 	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1052 
1053 	if (data[12] & 0x80)
1054 		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f));
1055 	else
1056 		input_report_abs(input, ABS_WHEEL, 0);
1057 
1058 	bat_percent = data[7] & 0x7f;
1059 	bat_charging = !!(data[7] & 0x80);
1060 
1061 	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1062 		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1063 	else
1064 		input_report_abs(input, ABS_MISC, 0);
1065 
1066 	input_event(input, EV_MSC, MSC_SERIAL, serial);
1067 
1068 	input_sync(input);
1069 
1070 	/*Which mode select (LED light) is currently on?*/
1071 	touch_ring_mode = (data[11] & 0xC0) >> 6;
1072 
1073 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1074 		if (remote->remotes[i].serial == serial)
1075 			wacom->led.groups[i].select = touch_ring_mode;
1076 	}
1077 
1078 	__wacom_notify_battery(&remote->remotes[index].battery,
1079 				WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1080 				bat_charging, 1, bat_charging);
1081 
1082 out:
1083 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1084 	return 0;
1085 }
1086 
1087 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1088 {
1089 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1090 	unsigned char *data = wacom_wac->data;
1091 	struct wacom_remote *remote = wacom->remote;
1092 	struct wacom_remote_data remote_data;
1093 	unsigned long flags;
1094 	int i, ret;
1095 
1096 	if (data[0] != WACOM_REPORT_DEVICE_LIST)
1097 		return;
1098 
1099 	memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1100 
1101 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1102 		int j = i * 6;
1103 		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1104 		bool connected = data[j+2];
1105 
1106 		remote_data.remote[i].serial = serial;
1107 		remote_data.remote[i].connected = connected;
1108 	}
1109 
1110 	spin_lock_irqsave(&remote->remote_lock, flags);
1111 
1112 	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1113 	if (ret != sizeof(remote_data)) {
1114 		spin_unlock_irqrestore(&remote->remote_lock, flags);
1115 		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1116 		return;
1117 	}
1118 
1119 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1120 
1121 	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1122 }
1123 
1124 static int int_dist(int x1, int y1, int x2, int y2)
1125 {
1126 	int x = x2 - x1;
1127 	int y = y2 - y1;
1128 
1129 	return int_sqrt(x*x + y*y);
1130 }
1131 
1132 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1133 		unsigned char *data)
1134 {
1135 	memcpy(wacom->data, data, 10);
1136 	wacom_intuos_irq(wacom);
1137 
1138 	input_sync(wacom->pen_input);
1139 	if (wacom->pad_input)
1140 		input_sync(wacom->pad_input);
1141 }
1142 
1143 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1144 {
1145 	unsigned char data[WACOM_PKGLEN_MAX];
1146 	int i = 1;
1147 	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1148 
1149 	memcpy(data, wacom->data, len);
1150 
1151 	switch (data[0]) {
1152 	case 0x04:
1153 		wacom_intuos_bt_process_data(wacom, data + i);
1154 		i += 10;
1155 		/* fall through */
1156 	case 0x03:
1157 		wacom_intuos_bt_process_data(wacom, data + i);
1158 		i += 10;
1159 		wacom_intuos_bt_process_data(wacom, data + i);
1160 		i += 10;
1161 		power_raw = data[i];
1162 		bat_charging = (power_raw & 0x08) ? 1 : 0;
1163 		ps_connected = (power_raw & 0x10) ? 1 : 0;
1164 		battery_capacity = batcap_i4[power_raw & 0x07];
1165 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1166 				     battery_capacity, bat_charging,
1167 				     battery_capacity || bat_charging,
1168 				     ps_connected);
1169 		break;
1170 	default:
1171 		dev_dbg(wacom->pen_input->dev.parent,
1172 				"Unknown report: %d,%d size:%zu\n",
1173 				data[0], data[1], len);
1174 		return 0;
1175 	}
1176 	return 0;
1177 }
1178 
1179 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1180 {
1181 	struct input_dev *input = wacom->touch_input;
1182 	unsigned touch_max = wacom->features.touch_max;
1183 	int count = 0;
1184 	int i;
1185 
1186 	if (!touch_max)
1187 		return 0;
1188 
1189 	if (touch_max == 1)
1190 		return test_bit(BTN_TOUCH, input->key) &&
1191 			report_touch_events(wacom);
1192 
1193 	for (i = 0; i < input->mt->num_slots; i++) {
1194 		struct input_mt_slot *ps = &input->mt->slots[i];
1195 		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1196 		if (id >= 0)
1197 			count++;
1198 	}
1199 
1200 	return count;
1201 }
1202 
1203 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1204 {
1205 	const int pen_frame_len = 14;
1206 	const int pen_frames = 7;
1207 
1208 	struct input_dev *pen_input = wacom->pen_input;
1209 	unsigned char *data = wacom->data;
1210 	int i;
1211 
1212 	wacom->serial[0] = get_unaligned_le64(&data[99]);
1213 	wacom->id[0]     = get_unaligned_le16(&data[107]);
1214 	if (wacom->serial[0] >> 52 == 1) {
1215 		/* Add back in missing bits of ID for non-USI pens */
1216 		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1217 	}
1218 	wacom->tool[0]   = wacom_intuos_get_tool_type(wacom_intuos_id_mangle(wacom->id[0]));
1219 
1220 	for (i = 0; i < pen_frames; i++) {
1221 		unsigned char *frame = &data[i*pen_frame_len + 1];
1222 		bool valid = frame[0] & 0x80;
1223 		bool prox = frame[0] & 0x40;
1224 		bool range = frame[0] & 0x20;
1225 
1226 		if (!valid)
1227 			continue;
1228 
1229 		if (range) {
1230 			/* Fix rotation alignment: userspace expects zero at left */
1231 			int16_t rotation = (int16_t)get_unaligned_le16(&frame[9]);
1232 			rotation += 1800/4;
1233 			if (rotation > 899)
1234 				rotation -= 1800;
1235 
1236 			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1237 			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1238 			input_report_abs(pen_input, ABS_TILT_X, (char)frame[7]);
1239 			input_report_abs(pen_input, ABS_TILT_Y, (char)frame[8]);
1240 			input_report_abs(pen_input, ABS_Z, rotation);
1241 			input_report_abs(pen_input, ABS_WHEEL, get_unaligned_le16(&frame[11]));
1242 		}
1243 		input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1244 		input_report_abs(pen_input, ABS_DISTANCE, range ? frame[13] : wacom->features.distance_max);
1245 
1246 		input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x01);
1247 		input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1248 		input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1249 
1250 		input_report_key(pen_input, wacom->tool[0], prox);
1251 		input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1252 		input_report_abs(pen_input, ABS_MISC,
1253 				 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1254 
1255 		wacom->shared->stylus_in_proximity = prox;
1256 
1257 		input_sync(pen_input);
1258 	}
1259 }
1260 
1261 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1262 {
1263 	const int finger_touch_len = 8;
1264 	const int finger_frames = 4;
1265 	const int finger_frame_len = 43;
1266 
1267 	struct input_dev *touch_input = wacom->touch_input;
1268 	unsigned char *data = wacom->data;
1269 	int num_contacts_left = 5;
1270 	int i, j;
1271 
1272 	for (i = 0; i < finger_frames; i++) {
1273 		unsigned char *frame = &data[i*finger_frame_len + 109];
1274 		int current_num_contacts = frame[0] & 0x7F;
1275 		int contacts_to_send;
1276 
1277 		if (!(frame[0] & 0x80))
1278 			continue;
1279 
1280 		/*
1281 		 * First packet resets the counter since only the first
1282 		 * packet in series will have non-zero current_num_contacts.
1283 		 */
1284 		if (current_num_contacts)
1285 			wacom->num_contacts_left = current_num_contacts;
1286 
1287 		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1288 
1289 		for (j = 0; j < contacts_to_send; j++) {
1290 			unsigned char *touch = &frame[j*finger_touch_len + 1];
1291 			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1292 			int x = get_unaligned_le16(&touch[2]);
1293 			int y = get_unaligned_le16(&touch[4]);
1294 			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1295 			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1296 
1297 			if (slot < 0)
1298 				continue;
1299 
1300 			input_mt_slot(touch_input, slot);
1301 			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1302 			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1303 			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1304 			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1305 			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1306 			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1307 		}
1308 
1309 		input_mt_sync_frame(touch_input);
1310 
1311 		wacom->num_contacts_left -= contacts_to_send;
1312 		if (wacom->num_contacts_left <= 0) {
1313 			wacom->num_contacts_left = 0;
1314 			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1315 		}
1316 	}
1317 
1318 	input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1319 	input_sync(touch_input);
1320 }
1321 
1322 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1323 {
1324 	struct input_dev *pad_input = wacom->pad_input;
1325 	unsigned char *data = wacom->data;
1326 
1327 	int buttons = (data[282] << 1) | ((data[281] >> 6) & 0x01);
1328 	int ring = data[285] & 0x7F;
1329 	bool ringstatus = data[285] & 0x80;
1330 	bool prox = buttons || ringstatus;
1331 
1332 	/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1333 	ring = 71 - ring;
1334 	ring += 3*72/16;
1335 	if (ring > 71)
1336 		ring -= 72;
1337 
1338 	wacom_report_numbered_buttons(pad_input, 9, buttons);
1339 
1340 	input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1341 
1342 	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1343 	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1344 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1345 
1346 	input_sync(pad_input);
1347 }
1348 
1349 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1350 {
1351 	unsigned char *data = wacom->data;
1352 
1353 	bool chg = data[284] & 0x80;
1354 	int battery_status = data[284] & 0x7F;
1355 
1356 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1357 			     battery_status, chg, 1, chg);
1358 }
1359 
1360 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1361 {
1362 	unsigned char *data = wacom->data;
1363 
1364 	if (data[0] != 0x80) {
1365 		dev_dbg(wacom->pen_input->dev.parent,
1366 			"%s: received unknown report #%d\n", __func__, data[0]);
1367 		return 0;
1368 	}
1369 
1370 	wacom_intuos_pro2_bt_pen(wacom);
1371 	wacom_intuos_pro2_bt_touch(wacom);
1372 	wacom_intuos_pro2_bt_pad(wacom);
1373 	wacom_intuos_pro2_bt_battery(wacom);
1374 	return 0;
1375 }
1376 
1377 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1378 {
1379 	struct input_dev *input = wacom->touch_input;
1380 	unsigned char *data = wacom->data;
1381 	int i;
1382 	int current_num_contacts = data[61];
1383 	int contacts_to_send = 0;
1384 	int num_contacts_left = 4; /* maximum contacts per packet */
1385 	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1386 	int y_offset = 2;
1387 
1388 	if (wacom->features.type == WACOM_27QHDT) {
1389 		current_num_contacts = data[63];
1390 		num_contacts_left = 10;
1391 		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1392 		y_offset = 0;
1393 	}
1394 
1395 	/*
1396 	 * First packet resets the counter since only the first
1397 	 * packet in series will have non-zero current_num_contacts.
1398 	 */
1399 	if (current_num_contacts)
1400 		wacom->num_contacts_left = current_num_contacts;
1401 
1402 	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1403 
1404 	for (i = 0; i < contacts_to_send; i++) {
1405 		int offset = (byte_per_packet * i) + 1;
1406 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1407 		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1408 
1409 		if (slot < 0)
1410 			continue;
1411 		input_mt_slot(input, slot);
1412 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1413 
1414 		if (touch) {
1415 			int t_x = get_unaligned_le16(&data[offset + 2]);
1416 			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1417 
1418 			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1419 			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1420 
1421 			if (wacom->features.type != WACOM_27QHDT) {
1422 				int c_x = get_unaligned_le16(&data[offset + 4]);
1423 				int c_y = get_unaligned_le16(&data[offset + 8]);
1424 				int w = get_unaligned_le16(&data[offset + 10]);
1425 				int h = get_unaligned_le16(&data[offset + 12]);
1426 
1427 				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1428 				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1429 						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1430 				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1431 				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1432 			}
1433 		}
1434 	}
1435 	input_mt_sync_frame(input);
1436 
1437 	wacom->num_contacts_left -= contacts_to_send;
1438 	if (wacom->num_contacts_left <= 0) {
1439 		wacom->num_contacts_left = 0;
1440 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1441 	}
1442 	return 1;
1443 }
1444 
1445 static int wacom_mt_touch(struct wacom_wac *wacom)
1446 {
1447 	struct input_dev *input = wacom->touch_input;
1448 	unsigned char *data = wacom->data;
1449 	int i;
1450 	int current_num_contacts = data[2];
1451 	int contacts_to_send = 0;
1452 	int x_offset = 0;
1453 
1454 	/* MTTPC does not support Height and Width */
1455 	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1456 		x_offset = -4;
1457 
1458 	/*
1459 	 * First packet resets the counter since only the first
1460 	 * packet in series will have non-zero current_num_contacts.
1461 	 */
1462 	if (current_num_contacts)
1463 		wacom->num_contacts_left = current_num_contacts;
1464 
1465 	/* There are at most 5 contacts per packet */
1466 	contacts_to_send = min(5, wacom->num_contacts_left);
1467 
1468 	for (i = 0; i < contacts_to_send; i++) {
1469 		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1470 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1471 		int id = get_unaligned_le16(&data[offset + 1]);
1472 		int slot = input_mt_get_slot_by_key(input, id);
1473 
1474 		if (slot < 0)
1475 			continue;
1476 
1477 		input_mt_slot(input, slot);
1478 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1479 		if (touch) {
1480 			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1481 			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1482 			input_report_abs(input, ABS_MT_POSITION_X, x);
1483 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1484 		}
1485 	}
1486 	input_mt_sync_frame(input);
1487 
1488 	wacom->num_contacts_left -= contacts_to_send;
1489 	if (wacom->num_contacts_left <= 0) {
1490 		wacom->num_contacts_left = 0;
1491 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1492 	}
1493 	return 1;
1494 }
1495 
1496 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1497 {
1498 	struct input_dev *input = wacom->touch_input;
1499 	unsigned char *data = wacom->data;
1500 	int i;
1501 
1502 	for (i = 0; i < 2; i++) {
1503 		int p = data[1] & (1 << i);
1504 		bool touch = p && report_touch_events(wacom);
1505 
1506 		input_mt_slot(input, i);
1507 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1508 		if (touch) {
1509 			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1510 			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1511 
1512 			input_report_abs(input, ABS_MT_POSITION_X, x);
1513 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1514 		}
1515 	}
1516 	input_mt_sync_frame(input);
1517 
1518 	/* keep touch state for pen event */
1519 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1520 
1521 	return 1;
1522 }
1523 
1524 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1525 {
1526 	unsigned char *data = wacom->data;
1527 	struct input_dev *input = wacom->touch_input;
1528 	bool prox = report_touch_events(wacom);
1529 	int x = 0, y = 0;
1530 
1531 	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1532 		return 0;
1533 
1534 	if (len == WACOM_PKGLEN_TPC1FG) {
1535 		prox = prox && (data[0] & 0x01);
1536 		x = get_unaligned_le16(&data[1]);
1537 		y = get_unaligned_le16(&data[3]);
1538 	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1539 		prox = prox && (data[2] & 0x01);
1540 		x = get_unaligned_le16(&data[3]);
1541 		y = get_unaligned_le16(&data[5]);
1542 	} else {
1543 		prox = prox && (data[1] & 0x01);
1544 		x = le16_to_cpup((__le16 *)&data[2]);
1545 		y = le16_to_cpup((__le16 *)&data[4]);
1546 	}
1547 
1548 	if (prox) {
1549 		input_report_abs(input, ABS_X, x);
1550 		input_report_abs(input, ABS_Y, y);
1551 	}
1552 	input_report_key(input, BTN_TOUCH, prox);
1553 
1554 	/* keep touch state for pen events */
1555 	wacom->shared->touch_down = prox;
1556 
1557 	return 1;
1558 }
1559 
1560 static int wacom_tpc_pen(struct wacom_wac *wacom)
1561 {
1562 	unsigned char *data = wacom->data;
1563 	struct input_dev *input = wacom->pen_input;
1564 	bool prox = data[1] & 0x20;
1565 
1566 	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1567 		/* Going into proximity select tool */
1568 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1569 
1570 	/* keep pen state for touch events */
1571 	wacom->shared->stylus_in_proximity = prox;
1572 
1573 	/* send pen events only when touch is up or forced out
1574 	 * or touch arbitration is off
1575 	 */
1576 	if (!delay_pen_events(wacom)) {
1577 		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1578 		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1579 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1580 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1581 		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1582 		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1583 		input_report_key(input, wacom->tool[0], prox);
1584 		return 1;
1585 	}
1586 
1587 	return 0;
1588 }
1589 
1590 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1591 {
1592 	unsigned char *data = wacom->data;
1593 
1594 	if (wacom->pen_input) {
1595 		dev_dbg(wacom->pen_input->dev.parent,
1596 			"%s: received report #%d\n", __func__, data[0]);
1597 
1598 		if (len == WACOM_PKGLEN_PENABLED ||
1599 		    data[0] == WACOM_REPORT_PENABLED)
1600 			return wacom_tpc_pen(wacom);
1601 	}
1602 	else if (wacom->touch_input) {
1603 		dev_dbg(wacom->touch_input->dev.parent,
1604 			"%s: received report #%d\n", __func__, data[0]);
1605 
1606 		switch (len) {
1607 		case WACOM_PKGLEN_TPC1FG:
1608 			return wacom_tpc_single_touch(wacom, len);
1609 
1610 		case WACOM_PKGLEN_TPC2FG:
1611 			return wacom_tpc_mt_touch(wacom);
1612 
1613 		default:
1614 			switch (data[0]) {
1615 			case WACOM_REPORT_TPC1FG:
1616 			case WACOM_REPORT_TPCHID:
1617 			case WACOM_REPORT_TPCST:
1618 			case WACOM_REPORT_TPC1FGE:
1619 				return wacom_tpc_single_touch(wacom, len);
1620 
1621 			case WACOM_REPORT_TPCMT:
1622 			case WACOM_REPORT_TPCMT2:
1623 				return wacom_mt_touch(wacom);
1624 
1625 			}
1626 		}
1627 	}
1628 
1629 	return 0;
1630 }
1631 
1632 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1633 				 int value, int num, int denom)
1634 {
1635 	struct input_absinfo *abs = &input->absinfo[usage->code];
1636 	int range = (abs->maximum - abs->minimum + 1);
1637 
1638 	value += num*range/denom;
1639 	if (value > abs->maximum)
1640 		value -= range;
1641 	else if (value < abs->minimum)
1642 		value += range;
1643 	return value;
1644 }
1645 
1646 int wacom_equivalent_usage(int usage)
1647 {
1648 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1649 		int subpage = (usage & 0xFF00) << 8;
1650 		int subusage = (usage & 0xFF);
1651 
1652 		if (subpage == WACOM_HID_SP_PAD ||
1653 		    subpage == WACOM_HID_SP_BUTTON ||
1654 		    subpage == WACOM_HID_SP_DIGITIZER ||
1655 		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1656 		    usage == WACOM_HID_WD_SENSE ||
1657 		    usage == WACOM_HID_WD_SERIALHI ||
1658 		    usage == WACOM_HID_WD_TOOLTYPE ||
1659 		    usage == WACOM_HID_WD_DISTANCE ||
1660 		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1661 		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1662 		    usage == WACOM_HID_WD_TOUCHRING ||
1663 		    usage == WACOM_HID_WD_TOUCHRINGSTATUS) {
1664 			return usage;
1665 		}
1666 
1667 		if (subpage == HID_UP_UNDEFINED)
1668 			subpage = HID_UP_DIGITIZER;
1669 
1670 		return subpage | subusage;
1671 	}
1672 
1673 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1674 		int subpage = (usage & 0xFF00) << 8;
1675 		int subusage = (usage & 0xFF);
1676 
1677 		if (subpage == HID_UP_UNDEFINED)
1678 			subpage = WACOM_HID_SP_DIGITIZER;
1679 
1680 		return subpage | subusage;
1681 	}
1682 
1683 	return usage;
1684 }
1685 
1686 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1687 		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1688 {
1689 	struct wacom *wacom = input_get_drvdata(input);
1690 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1691 	struct wacom_features *features = &wacom_wac->features;
1692 	int fmin = field->logical_minimum;
1693 	int fmax = field->logical_maximum;
1694 	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1695 	int resolution_code = code;
1696 
1697 	if (equivalent_usage == HID_DG_TWIST) {
1698 		resolution_code = ABS_RZ;
1699 	}
1700 
1701 	if (equivalent_usage == HID_GD_X) {
1702 		fmin += features->offset_left;
1703 		fmax -= features->offset_right;
1704 	}
1705 	if (equivalent_usage == HID_GD_Y) {
1706 		fmin += features->offset_top;
1707 		fmax -= features->offset_bottom;
1708 	}
1709 
1710 	usage->type = type;
1711 	usage->code = code;
1712 
1713 	set_bit(type, input->evbit);
1714 
1715 	switch (type) {
1716 	case EV_ABS:
1717 		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1718 		input_abs_set_res(input, code,
1719 				  hidinput_calc_abs_res(field, resolution_code));
1720 		break;
1721 	case EV_KEY:
1722 		input_set_capability(input, EV_KEY, code);
1723 		break;
1724 	case EV_MSC:
1725 		input_set_capability(input, EV_MSC, code);
1726 		break;
1727 	case EV_SW:
1728 		input_set_capability(input, EV_SW, code);
1729 		break;
1730 	}
1731 }
1732 
1733 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1734 		struct hid_field *field, struct hid_usage *usage)
1735 {
1736 	struct wacom *wacom = hid_get_drvdata(hdev);
1737 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1738 	struct wacom_features *features = &wacom_wac->features;
1739 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1740 
1741 	switch (equivalent_usage) {
1742 	case HID_DG_BATTERYSTRENGTH:
1743 	case WACOM_HID_WD_BATTERY_LEVEL:
1744 	case WACOM_HID_WD_BATTERY_CHARGING:
1745 		features->quirks |= WACOM_QUIRK_BATTERY;
1746 		break;
1747 	}
1748 }
1749 
1750 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1751 		struct hid_usage *usage, __s32 value)
1752 {
1753 	struct wacom *wacom = hid_get_drvdata(hdev);
1754 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1755 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1756 
1757 	switch (equivalent_usage) {
1758 	case HID_DG_BATTERYSTRENGTH:
1759 		if (value == 0) {
1760 			wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1761 		}
1762 		else {
1763 			value = value * 100 / (field->logical_maximum - field->logical_minimum);
1764 			wacom_wac->hid_data.battery_capacity = value;
1765 			wacom_wac->hid_data.bat_connected = 1;
1766 			wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1767 		}
1768 		break;
1769 	case WACOM_HID_WD_BATTERY_LEVEL:
1770 		value = value * 100 / (field->logical_maximum - field->logical_minimum);
1771 		wacom_wac->hid_data.battery_capacity = value;
1772 		wacom_wac->hid_data.bat_connected = 1;
1773 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1774 		break;
1775 	case WACOM_HID_WD_BATTERY_CHARGING:
1776 		wacom_wac->hid_data.bat_charging = value;
1777 		wacom_wac->hid_data.ps_connected = value;
1778 		wacom_wac->hid_data.bat_connected = 1;
1779 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1780 		break;
1781 	}
1782 }
1783 
1784 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1785 		struct hid_report *report)
1786 {
1787 	return;
1788 }
1789 
1790 static void wacom_wac_battery_report(struct hid_device *hdev,
1791 		struct hid_report *report)
1792 {
1793 	struct wacom *wacom = hid_get_drvdata(hdev);
1794 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1795 	struct wacom_features *features = &wacom_wac->features;
1796 
1797 	if (features->quirks & WACOM_QUIRK_BATTERY) {
1798 		int status = wacom_wac->hid_data.bat_status;
1799 		int capacity = wacom_wac->hid_data.battery_capacity;
1800 		bool charging = wacom_wac->hid_data.bat_charging;
1801 		bool connected = wacom_wac->hid_data.bat_connected;
1802 		bool powered = wacom_wac->hid_data.ps_connected;
1803 
1804 		wacom_notify_battery(wacom_wac, status, capacity, charging,
1805 				     connected, powered);
1806 	}
1807 }
1808 
1809 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1810 		struct hid_field *field, struct hid_usage *usage)
1811 {
1812 	struct wacom *wacom = hid_get_drvdata(hdev);
1813 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1814 	struct wacom_features *features = &wacom_wac->features;
1815 	struct input_dev *input = wacom_wac->pad_input;
1816 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1817 
1818 	switch (equivalent_usage) {
1819 	case WACOM_HID_WD_ACCELEROMETER_X:
1820 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1821 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1822 		features->device_type |= WACOM_DEVICETYPE_PAD;
1823 		break;
1824 	case WACOM_HID_WD_ACCELEROMETER_Y:
1825 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1826 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1827 		features->device_type |= WACOM_DEVICETYPE_PAD;
1828 		break;
1829 	case WACOM_HID_WD_ACCELEROMETER_Z:
1830 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1831 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1832 		features->device_type |= WACOM_DEVICETYPE_PAD;
1833 		break;
1834 	case WACOM_HID_WD_BUTTONCENTER:
1835 		wacom->generic_has_leds = true;
1836 		/* fall through */
1837 	case WACOM_HID_WD_BUTTONHOME:
1838 	case WACOM_HID_WD_BUTTONUP:
1839 	case WACOM_HID_WD_BUTTONDOWN:
1840 	case WACOM_HID_WD_BUTTONLEFT:
1841 	case WACOM_HID_WD_BUTTONRIGHT:
1842 		wacom_map_usage(input, usage, field, EV_KEY,
1843 				wacom_numbered_button_to_key(features->numbered_buttons),
1844 				0);
1845 		features->numbered_buttons++;
1846 		features->device_type |= WACOM_DEVICETYPE_PAD;
1847 		break;
1848 	case WACOM_HID_WD_TOUCHONOFF:
1849 	case WACOM_HID_WD_MUTE_DEVICE:
1850 		/*
1851 		 * This usage, which is used to mute touch events, comes
1852 		 * from the pad packet, but is reported on the touch
1853 		 * interface. Because the touch interface may not have
1854 		 * been created yet, we cannot call wacom_map_usage(). In
1855 		 * order to process this usage when we receive it, we set
1856 		 * the usage type and code directly.
1857 		 */
1858 		wacom_wac->has_mute_touch_switch = true;
1859 		usage->type = EV_SW;
1860 		usage->code = SW_MUTE_DEVICE;
1861 		features->device_type |= WACOM_DEVICETYPE_PAD;
1862 		break;
1863 	case WACOM_HID_WD_TOUCHSTRIP:
1864 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
1865 		features->device_type |= WACOM_DEVICETYPE_PAD;
1866 		break;
1867 	case WACOM_HID_WD_TOUCHSTRIP2:
1868 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
1869 		features->device_type |= WACOM_DEVICETYPE_PAD;
1870 		break;
1871 	case WACOM_HID_WD_TOUCHRING:
1872 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
1873 		features->device_type |= WACOM_DEVICETYPE_PAD;
1874 		break;
1875 	case WACOM_HID_WD_TOUCHRINGSTATUS:
1876 		/*
1877 		 * Only set up type/code association. Completely mapping
1878 		 * this usage may overwrite the axis resolution and range.
1879 		 */
1880 		usage->type = EV_ABS;
1881 		usage->code = ABS_WHEEL;
1882 		set_bit(EV_ABS, input->evbit);
1883 		features->device_type |= WACOM_DEVICETYPE_PAD;
1884 		break;
1885 	case WACOM_HID_WD_BUTTONCONFIG:
1886 		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
1887 		features->device_type |= WACOM_DEVICETYPE_PAD;
1888 		break;
1889 	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
1890 		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
1891 		features->device_type |= WACOM_DEVICETYPE_PAD;
1892 		break;
1893 	case WACOM_HID_WD_CONTROLPANEL:
1894 		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
1895 		features->device_type |= WACOM_DEVICETYPE_PAD;
1896 		break;
1897 	case WACOM_HID_WD_MODE_CHANGE:
1898 		/* do not overwrite previous data */
1899 		if (!wacom_wac->has_mode_change) {
1900 			wacom_wac->has_mode_change = true;
1901 			wacom_wac->is_direct_mode = true;
1902 		}
1903 		features->device_type |= WACOM_DEVICETYPE_PAD;
1904 		break;
1905 	}
1906 
1907 	switch (equivalent_usage & 0xfffffff0) {
1908 	case WACOM_HID_WD_EXPRESSKEY00:
1909 		wacom_map_usage(input, usage, field, EV_KEY,
1910 				wacom_numbered_button_to_key(features->numbered_buttons),
1911 				0);
1912 		features->numbered_buttons++;
1913 		features->device_type |= WACOM_DEVICETYPE_PAD;
1914 		break;
1915 	}
1916 }
1917 
1918 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
1919 		struct hid_usage *usage, __s32 value)
1920 {
1921 	struct wacom *wacom = hid_get_drvdata(hdev);
1922 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1923 	struct input_dev *input = wacom_wac->pad_input;
1924 	struct wacom_features *features = &wacom_wac->features;
1925 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1926 	int i;
1927 	bool is_touch_on = value;
1928 	bool do_report = false;
1929 
1930 	/*
1931 	 * Avoid reporting this event and setting inrange_state if this usage
1932 	 * hasn't been mapped.
1933 	 */
1934 	if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
1935 		return;
1936 
1937 	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
1938 		if (usage->hid != WACOM_HID_WD_TOUCHRING)
1939 			wacom_wac->hid_data.inrange_state |= value;
1940 	}
1941 
1942 	switch (equivalent_usage) {
1943 	case WACOM_HID_WD_TOUCHRING:
1944 		/*
1945 		 * Userspace expects touchrings to increase in value with
1946 		 * clockwise gestures and have their zero point at the
1947 		 * tablet's left. HID events "should" be clockwise-
1948 		 * increasing and zero at top, though the MobileStudio
1949 		 * Pro and 2nd-gen Intuos Pro don't do this...
1950 		 */
1951 		if (hdev->vendor == 0x56a &&
1952 		    (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
1953 		     hdev->product == 0x357 || hdev->product == 0x358)) { /* Intuos Pro 2 */
1954 			value = (field->logical_maximum - value);
1955 
1956 			if (hdev->product == 0x357 || hdev->product == 0x358)
1957 				value = wacom_offset_rotation(input, usage, value, 3, 16);
1958 			else if (hdev->product == 0x34d || hdev->product == 0x34e)
1959 				value = wacom_offset_rotation(input, usage, value, 1, 2);
1960 		}
1961 		else {
1962 			value = wacom_offset_rotation(input, usage, value, 1, 4);
1963 		}
1964 		do_report = true;
1965 		break;
1966 	case WACOM_HID_WD_TOUCHRINGSTATUS:
1967 		if (!value)
1968 			input_event(input, usage->type, usage->code, 0);
1969 		break;
1970 
1971 	case WACOM_HID_WD_MUTE_DEVICE:
1972 		if (wacom_wac->shared->touch_input && value) {
1973 			wacom_wac->shared->is_touch_on = !wacom_wac->shared->is_touch_on;
1974 			is_touch_on = wacom_wac->shared->is_touch_on;
1975 		}
1976 
1977 		/* fall through*/
1978 	case WACOM_HID_WD_TOUCHONOFF:
1979 		if (wacom_wac->shared->touch_input) {
1980 			input_report_switch(wacom_wac->shared->touch_input,
1981 					    SW_MUTE_DEVICE, !is_touch_on);
1982 			input_sync(wacom_wac->shared->touch_input);
1983 		}
1984 		break;
1985 
1986 	case WACOM_HID_WD_MODE_CHANGE:
1987 		if (wacom_wac->is_direct_mode != value) {
1988 			wacom_wac->is_direct_mode = value;
1989 			wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
1990 		}
1991 		break;
1992 
1993 	case WACOM_HID_WD_BUTTONCENTER:
1994 		for (i = 0; i < wacom->led.count; i++)
1995 			wacom_update_led(wacom, features->numbered_buttons,
1996 					 value, i);
1997 		 /* fall through*/
1998 	default:
1999 		do_report = true;
2000 		break;
2001 	}
2002 
2003 	if (do_report) {
2004 		input_event(input, usage->type, usage->code, value);
2005 		if (value)
2006 			wacom_wac->hid_data.pad_input_event_flag = true;
2007 	}
2008 }
2009 
2010 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2011 		struct hid_report *report)
2012 {
2013 	struct wacom *wacom = hid_get_drvdata(hdev);
2014 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2015 
2016 	wacom_wac->hid_data.inrange_state = 0;
2017 }
2018 
2019 static void wacom_wac_pad_report(struct hid_device *hdev,
2020 		struct hid_report *report)
2021 {
2022 	struct wacom *wacom = hid_get_drvdata(hdev);
2023 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2024 	struct input_dev *input = wacom_wac->pad_input;
2025 	bool active = wacom_wac->hid_data.inrange_state != 0;
2026 
2027 	/* report prox for expresskey events */
2028 	if ((wacom_equivalent_usage(report->field[0]->physical) == HID_DG_TABLETFUNCTIONKEY) &&
2029 	    wacom_wac->hid_data.pad_input_event_flag) {
2030 		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2031 		input_sync(input);
2032 		if (!active)
2033 			wacom_wac->hid_data.pad_input_event_flag = false;
2034 	}
2035 
2036 }
2037 
2038 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2039 		struct hid_field *field, struct hid_usage *usage)
2040 {
2041 	struct wacom *wacom = hid_get_drvdata(hdev);
2042 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2043 	struct wacom_features *features = &wacom_wac->features;
2044 	struct input_dev *input = wacom_wac->pen_input;
2045 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2046 
2047 	switch (equivalent_usage) {
2048 	case HID_GD_X:
2049 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2050 		break;
2051 	case HID_GD_Y:
2052 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2053 		break;
2054 	case WACOM_HID_WD_DISTANCE:
2055 	case HID_GD_Z:
2056 		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2057 		break;
2058 	case HID_DG_TIPPRESSURE:
2059 		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2060 		break;
2061 	case HID_DG_INRANGE:
2062 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2063 		break;
2064 	case HID_DG_INVERT:
2065 		wacom_map_usage(input, usage, field, EV_KEY,
2066 				BTN_TOOL_RUBBER, 0);
2067 		break;
2068 	case HID_DG_TILT_X:
2069 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2070 		break;
2071 	case HID_DG_TILT_Y:
2072 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2073 		break;
2074 	case HID_DG_TWIST:
2075 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2076 		break;
2077 	case HID_DG_ERASER:
2078 	case HID_DG_TIPSWITCH:
2079 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2080 		break;
2081 	case HID_DG_BARRELSWITCH:
2082 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2083 		break;
2084 	case HID_DG_BARRELSWITCH2:
2085 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2086 		break;
2087 	case HID_DG_TOOLSERIALNUMBER:
2088 		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2089 		break;
2090 	case WACOM_HID_WD_SENSE:
2091 		features->quirks |= WACOM_QUIRK_SENSE;
2092 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2093 		break;
2094 	case WACOM_HID_WD_SERIALHI:
2095 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2096 		set_bit(EV_KEY, input->evbit);
2097 		input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2098 		input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2099 		input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2100 		input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2101 		input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2102 		if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2103 			input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2104 			input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2105 		}
2106 		break;
2107 	case WACOM_HID_WD_FINGERWHEEL:
2108 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2109 		break;
2110 	}
2111 }
2112 
2113 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2114 		struct hid_usage *usage, __s32 value)
2115 {
2116 	struct wacom *wacom = hid_get_drvdata(hdev);
2117 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2118 	struct wacom_features *features = &wacom_wac->features;
2119 	struct input_dev *input = wacom_wac->pen_input;
2120 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2121 
2122 	switch (equivalent_usage) {
2123 	case HID_GD_Z:
2124 		/*
2125 		 * HID_GD_Z "should increase as the control's position is
2126 		 * moved from high to low", while ABS_DISTANCE instead
2127 		 * increases in value as the tool moves from low to high.
2128 		 */
2129 		value = field->logical_maximum - value;
2130 		break;
2131 	case HID_DG_INRANGE:
2132 		wacom_wac->hid_data.inrange_state = value;
2133 		if (!(features->quirks & WACOM_QUIRK_SENSE))
2134 			wacom_wac->hid_data.sense_state = value;
2135 		return;
2136 	case HID_DG_INVERT:
2137 		wacom_wac->hid_data.invert_state = value;
2138 		return;
2139 	case HID_DG_ERASER:
2140 	case HID_DG_TIPSWITCH:
2141 		wacom_wac->hid_data.tipswitch |= value;
2142 		return;
2143 	case HID_DG_BARRELSWITCH:
2144 		wacom_wac->hid_data.barrelswitch = value;
2145 		return;
2146 	case HID_DG_BARRELSWITCH2:
2147 		wacom_wac->hid_data.barrelswitch2 = value;
2148 		return;
2149 	case HID_DG_TOOLSERIALNUMBER:
2150 		if (value) {
2151 			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2152 			wacom_wac->serial[0] |= (__u32)value;
2153 		}
2154 		return;
2155 	case HID_DG_TWIST:
2156 		/*
2157 		 * Userspace expects pen twist to have its zero point when
2158 		 * the buttons/finger is on the tablet's left. HID values
2159 		 * are zero when buttons are toward the top.
2160 		 */
2161 		value = wacom_offset_rotation(input, usage, value, 1, 4);
2162 		break;
2163 	case WACOM_HID_WD_SENSE:
2164 		wacom_wac->hid_data.sense_state = value;
2165 		return;
2166 	case WACOM_HID_WD_SERIALHI:
2167 		if (value) {
2168 			wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2169 			wacom_wac->serial[0] |= ((__u64)value) << 32;
2170 			/*
2171 			 * Non-USI EMR devices may contain additional tool type
2172 			 * information here. See WACOM_HID_WD_TOOLTYPE case for
2173 			 * more details.
2174 			 */
2175 			if (value >> 20 == 1) {
2176 				wacom_wac->id[0] |= value & 0xFFFFF;
2177 			}
2178 		}
2179 		return;
2180 	case WACOM_HID_WD_TOOLTYPE:
2181 		/*
2182 		 * Some devices (MobileStudio Pro, and possibly later
2183 		 * devices as well) do not return the complete tool
2184 		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2185 		 * bitwise OR so the complete value can be built
2186 		 * up over time :(
2187 		 */
2188 		wacom_wac->id[0] |= value;
2189 		return;
2190 	case WACOM_HID_WD_OFFSETLEFT:
2191 		if (features->offset_left && value != features->offset_left)
2192 			hid_warn(hdev, "%s: overriding existing left offset "
2193 				 "%d -> %d\n", __func__, value,
2194 				 features->offset_left);
2195 		features->offset_left = value;
2196 		return;
2197 	case WACOM_HID_WD_OFFSETRIGHT:
2198 		if (features->offset_right && value != features->offset_right)
2199 			hid_warn(hdev, "%s: overriding existing right offset "
2200 				 "%d -> %d\n", __func__, value,
2201 				 features->offset_right);
2202 		features->offset_right = value;
2203 		return;
2204 	case WACOM_HID_WD_OFFSETTOP:
2205 		if (features->offset_top && value != features->offset_top)
2206 			hid_warn(hdev, "%s: overriding existing top offset "
2207 				 "%d -> %d\n", __func__, value,
2208 				 features->offset_top);
2209 		features->offset_top = value;
2210 		return;
2211 	case WACOM_HID_WD_OFFSETBOTTOM:
2212 		if (features->offset_bottom && value != features->offset_bottom)
2213 			hid_warn(hdev, "%s: overriding existing bottom offset "
2214 				 "%d -> %d\n", __func__, value,
2215 				 features->offset_bottom);
2216 		features->offset_bottom = value;
2217 		return;
2218 	}
2219 
2220 	/* send pen events only when touch is up or forced out
2221 	 * or touch arbitration is off
2222 	 */
2223 	if (!usage->type || delay_pen_events(wacom_wac))
2224 		return;
2225 
2226 	/* send pen events only when the pen is in range */
2227 	if (wacom_wac->hid_data.inrange_state)
2228 		input_event(input, usage->type, usage->code, value);
2229 	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2230 		input_event(input, usage->type, usage->code, 0);
2231 }
2232 
2233 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2234 		struct hid_report *report)
2235 {
2236 	return;
2237 }
2238 
2239 static void wacom_wac_pen_report(struct hid_device *hdev,
2240 		struct hid_report *report)
2241 {
2242 	struct wacom *wacom = hid_get_drvdata(hdev);
2243 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2244 	struct input_dev *input = wacom_wac->pen_input;
2245 	bool range = wacom_wac->hid_data.inrange_state;
2246 	bool sense = wacom_wac->hid_data.sense_state;
2247 
2248 	if (!wacom_wac->tool[0] && range) { /* first in range */
2249 		/* Going into range select tool */
2250 		if (wacom_wac->hid_data.invert_state)
2251 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2252 		else if (wacom_wac->id[0])
2253 			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2254 		else
2255 			wacom_wac->tool[0] = BTN_TOOL_PEN;
2256 	}
2257 
2258 	/* keep pen state for touch events */
2259 	wacom_wac->shared->stylus_in_proximity = sense;
2260 
2261 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2262 		int id = wacom_wac->id[0];
2263 		int sw_state = wacom_wac->hid_data.barrelswitch |
2264 			       (wacom_wac->hid_data.barrelswitch2 << 1);
2265 
2266 		input_report_key(input, BTN_STYLUS, sw_state == 1);
2267 		input_report_key(input, BTN_STYLUS2, sw_state == 2);
2268 		input_report_key(input, BTN_STYLUS3, sw_state == 3);
2269 
2270 		/*
2271 		 * Non-USI EMR tools should have their IDs mangled to
2272 		 * match the legacy behavior of wacom_intuos_general
2273 		 */
2274 		if (wacom_wac->serial[0] >> 52 == 1)
2275 			id = wacom_intuos_id_mangle(id);
2276 
2277 		/*
2278 		 * To ensure compatibility with xf86-input-wacom, we should
2279 		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2280 		 * MSC_SERIAL events.
2281 		 */
2282 		input_report_key(input, BTN_TOUCH,
2283 				wacom_wac->hid_data.tipswitch);
2284 		input_report_key(input, wacom_wac->tool[0], sense);
2285 		if (wacom_wac->serial[0]) {
2286 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2287 			input_report_abs(input, ABS_MISC, sense ? id : 0);
2288 		}
2289 
2290 		wacom_wac->hid_data.tipswitch = false;
2291 
2292 		input_sync(input);
2293 	}
2294 
2295 	if (!sense) {
2296 		wacom_wac->tool[0] = 0;
2297 		wacom_wac->id[0] = 0;
2298 		wacom_wac->serial[0] = 0;
2299 	}
2300 }
2301 
2302 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2303 		struct hid_field *field, struct hid_usage *usage)
2304 {
2305 	struct wacom *wacom = hid_get_drvdata(hdev);
2306 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2307 	struct input_dev *input = wacom_wac->touch_input;
2308 	unsigned touch_max = wacom_wac->features.touch_max;
2309 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2310 
2311 	switch (equivalent_usage) {
2312 	case HID_GD_X:
2313 		if (touch_max == 1)
2314 			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2315 		else
2316 			wacom_map_usage(input, usage, field, EV_ABS,
2317 					ABS_MT_POSITION_X, 4);
2318 		break;
2319 	case HID_GD_Y:
2320 		if (touch_max == 1)
2321 			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2322 		else
2323 			wacom_map_usage(input, usage, field, EV_ABS,
2324 					ABS_MT_POSITION_Y, 4);
2325 		break;
2326 	case HID_DG_WIDTH:
2327 	case HID_DG_HEIGHT:
2328 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2329 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2330 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2331 		break;
2332 	case HID_DG_TIPSWITCH:
2333 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2334 		break;
2335 	case HID_DG_CONTACTCOUNT:
2336 		wacom_wac->hid_data.cc_report = field->report->id;
2337 		wacom_wac->hid_data.cc_index = field->index;
2338 		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2339 		break;
2340 	case HID_DG_CONTACTID:
2341 		if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2342 			/*
2343 			 * The HID descriptor for G11 sensors leaves logical
2344 			 * maximum set to '1' despite it being a multitouch
2345 			 * device. Override to a sensible number.
2346 			 */
2347 			field->logical_maximum = 255;
2348 		}
2349 		break;
2350 	}
2351 }
2352 
2353 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2354 		struct input_dev *input)
2355 {
2356 	struct hid_data *hid_data = &wacom_wac->hid_data;
2357 	bool mt = wacom_wac->features.touch_max > 1;
2358 	bool prox = hid_data->tipswitch &&
2359 		    report_touch_events(wacom_wac);
2360 
2361 	if (wacom_wac->shared->has_mute_touch_switch &&
2362 	    !wacom_wac->shared->is_touch_on) {
2363 		if (!wacom_wac->shared->touch_down)
2364 			return;
2365 		prox = 0;
2366 	}
2367 
2368 	wacom_wac->hid_data.num_received++;
2369 	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2370 		return;
2371 
2372 	if (mt) {
2373 		int slot;
2374 
2375 		slot = input_mt_get_slot_by_key(input, hid_data->id);
2376 		input_mt_slot(input, slot);
2377 		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2378 	}
2379 	else {
2380 		input_report_key(input, BTN_TOUCH, prox);
2381 	}
2382 
2383 	if (prox) {
2384 		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2385 				 hid_data->x);
2386 		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2387 				 hid_data->y);
2388 
2389 		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2390 			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2391 			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2392 			if (hid_data->width != hid_data->height)
2393 				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2394 		}
2395 	}
2396 }
2397 
2398 static void wacom_wac_finger_event(struct hid_device *hdev,
2399 		struct hid_field *field, struct hid_usage *usage, __s32 value)
2400 {
2401 	struct wacom *wacom = hid_get_drvdata(hdev);
2402 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2403 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2404 
2405 	switch (equivalent_usage) {
2406 	case HID_GD_X:
2407 		wacom_wac->hid_data.x = value;
2408 		break;
2409 	case HID_GD_Y:
2410 		wacom_wac->hid_data.y = value;
2411 		break;
2412 	case HID_DG_WIDTH:
2413 		wacom_wac->hid_data.width = value;
2414 		break;
2415 	case HID_DG_HEIGHT:
2416 		wacom_wac->hid_data.height = value;
2417 		break;
2418 	case HID_DG_CONTACTID:
2419 		wacom_wac->hid_data.id = value;
2420 		break;
2421 	case HID_DG_TIPSWITCH:
2422 		wacom_wac->hid_data.tipswitch = value;
2423 		break;
2424 	}
2425 
2426 
2427 	if (usage->usage_index + 1 == field->report_count) {
2428 		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2429 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2430 	}
2431 }
2432 
2433 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2434 		struct hid_report *report)
2435 {
2436 	struct wacom *wacom = hid_get_drvdata(hdev);
2437 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2438 	struct hid_data* hid_data = &wacom_wac->hid_data;
2439 	int i;
2440 
2441 	for (i = 0; i < report->maxfield; i++) {
2442 		struct hid_field *field = report->field[i];
2443 		int j;
2444 
2445 		for (j = 0; j < field->maxusage; j++) {
2446 			struct hid_usage *usage = &field->usage[j];
2447 			unsigned int equivalent_usage =
2448 				wacom_equivalent_usage(usage->hid);
2449 
2450 			switch (equivalent_usage) {
2451 			case HID_GD_X:
2452 			case HID_GD_Y:
2453 			case HID_DG_WIDTH:
2454 			case HID_DG_HEIGHT:
2455 			case HID_DG_CONTACTID:
2456 			case HID_DG_INRANGE:
2457 			case HID_DG_INVERT:
2458 			case HID_DG_TIPSWITCH:
2459 				hid_data->last_slot_field = equivalent_usage;
2460 				break;
2461 			case HID_DG_CONTACTCOUNT:
2462 				hid_data->cc_report = report->id;
2463 				hid_data->cc_index = i;
2464 				hid_data->cc_value_index = j;
2465 				break;
2466 			}
2467 		}
2468 	}
2469 
2470 	if (hid_data->cc_report != 0 &&
2471 	    hid_data->cc_index >= 0) {
2472 		struct hid_field *field = report->field[hid_data->cc_index];
2473 		int value = field->value[hid_data->cc_value_index];
2474 		if (value)
2475 			hid_data->num_expected = value;
2476 	}
2477 	else {
2478 		hid_data->num_expected = wacom_wac->features.touch_max;
2479 	}
2480 }
2481 
2482 static void wacom_wac_finger_report(struct hid_device *hdev,
2483 		struct hid_report *report)
2484 {
2485 	struct wacom *wacom = hid_get_drvdata(hdev);
2486 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2487 	struct input_dev *input = wacom_wac->touch_input;
2488 	unsigned touch_max = wacom_wac->features.touch_max;
2489 
2490 	/* If more packets of data are expected, give us a chance to
2491 	 * process them rather than immediately syncing a partial
2492 	 * update.
2493 	 */
2494 	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2495 		return;
2496 
2497 	if (touch_max > 1)
2498 		input_mt_sync_frame(input);
2499 
2500 	input_sync(input);
2501 	wacom_wac->hid_data.num_received = 0;
2502 
2503 	/* keep touch state for pen event */
2504 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2505 }
2506 
2507 void wacom_wac_usage_mapping(struct hid_device *hdev,
2508 		struct hid_field *field, struct hid_usage *usage)
2509 {
2510 	struct wacom *wacom = hid_get_drvdata(hdev);
2511 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2512 	struct wacom_features *features = &wacom_wac->features;
2513 
2514 	if (WACOM_DIRECT_DEVICE(field))
2515 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2516 
2517 	/* usage tests must precede field tests */
2518 	if (WACOM_BATTERY_USAGE(usage))
2519 		wacom_wac_battery_usage_mapping(hdev, field, usage);
2520 	else if (WACOM_PAD_FIELD(field))
2521 		wacom_wac_pad_usage_mapping(hdev, field, usage);
2522 	else if (WACOM_PEN_FIELD(field))
2523 		wacom_wac_pen_usage_mapping(hdev, field, usage);
2524 	else if (WACOM_FINGER_FIELD(field))
2525 		wacom_wac_finger_usage_mapping(hdev, field, usage);
2526 }
2527 
2528 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2529 		struct hid_usage *usage, __s32 value)
2530 {
2531 	struct wacom *wacom = hid_get_drvdata(hdev);
2532 
2533 	if (wacom->wacom_wac.features.type != HID_GENERIC)
2534 		return;
2535 
2536 	if (value > field->logical_maximum || value < field->logical_minimum)
2537 		return;
2538 
2539 	/* usage tests must precede field tests */
2540 	if (WACOM_BATTERY_USAGE(usage))
2541 		wacom_wac_battery_event(hdev, field, usage, value);
2542 	else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2543 		wacom_wac_pad_event(hdev, field, usage, value);
2544 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2545 		wacom_wac_pen_event(hdev, field, usage, value);
2546 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2547 		wacom_wac_finger_event(hdev, field, usage, value);
2548 }
2549 
2550 static void wacom_report_events(struct hid_device *hdev, struct hid_report *report)
2551 {
2552 	int r;
2553 
2554 	for (r = 0; r < report->maxfield; r++) {
2555 		struct hid_field *field;
2556 		unsigned count, n;
2557 
2558 		field = report->field[r];
2559 		count = field->report_count;
2560 
2561 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2562 			continue;
2563 
2564 		for (n = 0; n < count; n++)
2565 			wacom_wac_event(hdev, field, &field->usage[n], field->value[n]);
2566 	}
2567 }
2568 
2569 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2570 {
2571 	struct wacom *wacom = hid_get_drvdata(hdev);
2572 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2573 	struct hid_field *field = report->field[0];
2574 
2575 	if (wacom_wac->features.type != HID_GENERIC)
2576 		return;
2577 
2578 	wacom_wac_battery_pre_report(hdev, report);
2579 
2580 	if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2581 		wacom_wac_pad_pre_report(hdev, report);
2582 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2583 		wacom_wac_pen_pre_report(hdev, report);
2584 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2585 		wacom_wac_finger_pre_report(hdev, report);
2586 
2587 	wacom_report_events(hdev, report);
2588 
2589 	/*
2590 	 * Non-input reports may be sent prior to the device being
2591 	 * completely initialized. Since only their events need
2592 	 * to be processed, exit after 'wacom_report_events' has
2593 	 * been called to prevent potential crashes in the report-
2594 	 * processing functions.
2595 	 */
2596 	if (report->type != HID_INPUT_REPORT)
2597 		return;
2598 
2599 	wacom_wac_battery_report(hdev, report);
2600 
2601 	if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2602 		wacom_wac_pad_report(hdev, report);
2603 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2604 		wacom_wac_pen_report(hdev, report);
2605 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2606 		wacom_wac_finger_report(hdev, report);
2607 }
2608 
2609 static int wacom_bpt_touch(struct wacom_wac *wacom)
2610 {
2611 	struct wacom_features *features = &wacom->features;
2612 	struct input_dev *input = wacom->touch_input;
2613 	struct input_dev *pad_input = wacom->pad_input;
2614 	unsigned char *data = wacom->data;
2615 	int i;
2616 
2617 	if (data[0] != 0x02)
2618 	    return 0;
2619 
2620 	for (i = 0; i < 2; i++) {
2621 		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2622 		bool touch = report_touch_events(wacom)
2623 			   && (data[offset + 3] & 0x80);
2624 
2625 		input_mt_slot(input, i);
2626 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2627 		if (touch) {
2628 			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2629 			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2630 			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2631 				x <<= 5;
2632 				y <<= 5;
2633 			}
2634 			input_report_abs(input, ABS_MT_POSITION_X, x);
2635 			input_report_abs(input, ABS_MT_POSITION_Y, y);
2636 		}
2637 	}
2638 
2639 	input_mt_sync_frame(input);
2640 
2641 	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2642 	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2643 	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2644 	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2645 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2646 
2647 	return 1;
2648 }
2649 
2650 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2651 {
2652 	struct wacom_features *features = &wacom->features;
2653 	struct input_dev *input = wacom->touch_input;
2654 	bool touch = data[1] & 0x80;
2655 	int slot = input_mt_get_slot_by_key(input, data[0]);
2656 
2657 	if (slot < 0)
2658 		return;
2659 
2660 	touch = touch && report_touch_events(wacom);
2661 
2662 	input_mt_slot(input, slot);
2663 	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2664 
2665 	if (touch) {
2666 		int x = (data[2] << 4) | (data[4] >> 4);
2667 		int y = (data[3] << 4) | (data[4] & 0x0f);
2668 		int width, height;
2669 
2670 		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2671 			width  = data[5] * 100;
2672 			height = data[6] * 100;
2673 		} else {
2674 			/*
2675 			 * "a" is a scaled-down area which we assume is
2676 			 * roughly circular and which can be described as:
2677 			 * a=(pi*r^2)/C.
2678 			 */
2679 			int a = data[5];
2680 			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2681 			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2682 			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2683 			height = width * y_res / x_res;
2684 		}
2685 
2686 		input_report_abs(input, ABS_MT_POSITION_X, x);
2687 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2688 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2689 		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2690 	}
2691 }
2692 
2693 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2694 {
2695 	struct input_dev *input = wacom->pad_input;
2696 	struct wacom_features *features = &wacom->features;
2697 
2698 	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2699 		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2700 		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2701 	} else {
2702 		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2703 		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2704 	}
2705 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2706 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2707 }
2708 
2709 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2710 {
2711 	unsigned char *data = wacom->data;
2712 	int count = data[1] & 0x07;
2713 	int  touch_changed = 0, i;
2714 
2715 	if (data[0] != 0x02)
2716 	    return 0;
2717 
2718 	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2719 	for (i = 0; i < count; i++) {
2720 		int offset = (8 * i) + 2;
2721 		int msg_id = data[offset];
2722 
2723 		if (msg_id >= 2 && msg_id <= 17) {
2724 			wacom_bpt3_touch_msg(wacom, data + offset);
2725 			touch_changed++;
2726 		} else if (msg_id == 128)
2727 			wacom_bpt3_button_msg(wacom, data + offset);
2728 
2729 	}
2730 
2731 	/* only update touch if we actually have a touchpad and touch data changed */
2732 	if (wacom->touch_input && touch_changed) {
2733 		input_mt_sync_frame(wacom->touch_input);
2734 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2735 	}
2736 
2737 	return 1;
2738 }
2739 
2740 static int wacom_bpt_pen(struct wacom_wac *wacom)
2741 {
2742 	struct wacom_features *features = &wacom->features;
2743 	struct input_dev *input = wacom->pen_input;
2744 	unsigned char *data = wacom->data;
2745 	int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;
2746 
2747 	if (data[0] != WACOM_REPORT_PENABLED)
2748 	    return 0;
2749 
2750 	prox = (data[1] & 0x20) == 0x20;
2751 
2752 	/*
2753 	 * All reports shared between PEN and RUBBER tool must be
2754 	 * forced to a known starting value (zero) when transitioning to
2755 	 * out-of-prox.
2756 	 *
2757 	 * If not reset then, to userspace, it will look like lost events
2758 	 * if new tool comes in-prox with same values as previous tool sent.
2759 	 *
2760 	 * Hardware does report zero in most out-of-prox cases but not all.
2761 	 */
2762 	if (!wacom->shared->stylus_in_proximity) {
2763 		if (data[1] & 0x08) {
2764 			wacom->tool[0] = BTN_TOOL_RUBBER;
2765 			wacom->id[0] = ERASER_DEVICE_ID;
2766 		} else {
2767 			wacom->tool[0] = BTN_TOOL_PEN;
2768 			wacom->id[0] = STYLUS_DEVICE_ID;
2769 		}
2770 	}
2771 
2772 	wacom->shared->stylus_in_proximity = prox;
2773 	if (delay_pen_events(wacom))
2774 		return 0;
2775 
2776 	if (prox) {
2777 		x = le16_to_cpup((__le16 *)&data[2]);
2778 		y = le16_to_cpup((__le16 *)&data[4]);
2779 		p = le16_to_cpup((__le16 *)&data[6]);
2780 		/*
2781 		 * Convert distance from out prox to distance from tablet.
2782 		 * distance will be greater than distance_max once
2783 		 * touching and applying pressure; do not report negative
2784 		 * distance.
2785 		 */
2786 		if (data[8] <= features->distance_max)
2787 			d = features->distance_max - data[8];
2788 
2789 		pen = data[1] & 0x01;
2790 		btn1 = data[1] & 0x02;
2791 		btn2 = data[1] & 0x04;
2792 	} else {
2793 		wacom->id[0] = 0;
2794 	}
2795 
2796 	input_report_key(input, BTN_TOUCH, pen);
2797 	input_report_key(input, BTN_STYLUS, btn1);
2798 	input_report_key(input, BTN_STYLUS2, btn2);
2799 
2800 	input_report_abs(input, ABS_X, x);
2801 	input_report_abs(input, ABS_Y, y);
2802 	input_report_abs(input, ABS_PRESSURE, p);
2803 	input_report_abs(input, ABS_DISTANCE, d);
2804 
2805 	input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */
2806 	input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
2807 
2808 	return 1;
2809 }
2810 
2811 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
2812 {
2813 	struct wacom_features *features = &wacom->features;
2814 
2815 	if ((features->type == INTUOSHT2) &&
2816 	    (features->device_type & WACOM_DEVICETYPE_PEN))
2817 		return wacom_intuos_irq(wacom);
2818 	else if (len == WACOM_PKGLEN_BBTOUCH)
2819 		return wacom_bpt_touch(wacom);
2820 	else if (len == WACOM_PKGLEN_BBTOUCH3)
2821 		return wacom_bpt3_touch(wacom);
2822 	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
2823 		return wacom_bpt_pen(wacom);
2824 
2825 	return 0;
2826 }
2827 
2828 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
2829 		unsigned char *data)
2830 {
2831 	unsigned char prefix;
2832 
2833 	/*
2834 	 * We need to reroute the event from the debug interface to the
2835 	 * pen interface.
2836 	 * We need to add the report ID to the actual pen report, so we
2837 	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
2838 	 * and memcpy the report.
2839 	 */
2840 	prefix = data[0];
2841 	data[0] = WACOM_REPORT_BPAD_PEN;
2842 
2843 	/*
2844 	 * actually reroute the event.
2845 	 * No need to check if wacom->shared->pen is valid, hid_input_report()
2846 	 * will check for us.
2847 	 */
2848 	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
2849 			 WACOM_PKGLEN_PENABLED, 1);
2850 
2851 	data[0] = prefix;
2852 }
2853 
2854 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
2855 		unsigned char *data)
2856 {
2857 	struct input_dev *input = wacom->touch_input;
2858 	unsigned char *finger_data, prefix;
2859 	unsigned id;
2860 	int x, y;
2861 	bool valid;
2862 
2863 	prefix = data[0];
2864 
2865 	for (id = 0; id < wacom->features.touch_max; id++) {
2866 		valid = !!(prefix & BIT(id)) &&
2867 			report_touch_events(wacom);
2868 
2869 		input_mt_slot(input, id);
2870 		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
2871 
2872 		if (!valid)
2873 			continue;
2874 
2875 		finger_data = data + 1 + id * 3;
2876 		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
2877 		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
2878 
2879 		input_report_abs(input, ABS_MT_POSITION_X, x);
2880 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2881 	}
2882 
2883 	input_mt_sync_frame(input);
2884 
2885 	input_report_key(input, BTN_LEFT, prefix & 0x40);
2886 	input_report_key(input, BTN_RIGHT, prefix & 0x80);
2887 
2888 	/* keep touch state for pen event */
2889 	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
2890 
2891 	return 1;
2892 }
2893 
2894 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
2895 {
2896 	unsigned char *data = wacom->data;
2897 
2898 	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
2899 	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
2900 	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
2901 		return 0;
2902 
2903 	if (data[1] & 0x01)
2904 		wacom_bamboo_pad_pen_event(wacom, &data[1]);
2905 
2906 	if (data[1] & 0x02)
2907 		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
2908 
2909 	return 0;
2910 }
2911 
2912 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
2913 {
2914 	unsigned char *data = wacom->data;
2915 	int connected;
2916 
2917 	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
2918 		return 0;
2919 
2920 	connected = data[1] & 0x01;
2921 	if (connected) {
2922 		int pid, battery, charging;
2923 
2924 		if ((wacom->shared->type == INTUOSHT ||
2925 		    wacom->shared->type == INTUOSHT2) &&
2926 		    wacom->shared->touch_input &&
2927 		    wacom->shared->touch_max) {
2928 			input_report_switch(wacom->shared->touch_input,
2929 					SW_MUTE_DEVICE, data[5] & 0x40);
2930 			input_sync(wacom->shared->touch_input);
2931 		}
2932 
2933 		pid = get_unaligned_be16(&data[6]);
2934 		battery = (data[5] & 0x3f) * 100 / 31;
2935 		charging = !!(data[5] & 0x80);
2936 		if (wacom->pid != pid) {
2937 			wacom->pid = pid;
2938 			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
2939 		}
2940 
2941 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
2942 				     battery, charging, 1, 0);
2943 
2944 	} else if (wacom->pid != 0) {
2945 		/* disconnected while previously connected */
2946 		wacom->pid = 0;
2947 		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
2948 		wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
2949 	}
2950 
2951 	return 0;
2952 }
2953 
2954 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
2955 {
2956 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
2957 	struct wacom_features *features = &wacom_wac->features;
2958 	unsigned char *data = wacom_wac->data;
2959 
2960 	if (data[0] != WACOM_REPORT_USB)
2961 		return 0;
2962 
2963 	if ((features->type == INTUOSHT ||
2964 	    features->type == INTUOSHT2) &&
2965 	    wacom_wac->shared->touch_input &&
2966 	    features->touch_max) {
2967 		input_report_switch(wacom_wac->shared->touch_input,
2968 				    SW_MUTE_DEVICE, data[8] & 0x40);
2969 		input_sync(wacom_wac->shared->touch_input);
2970 	}
2971 
2972 	if (data[9] & 0x02) { /* wireless module is attached */
2973 		int battery = (data[8] & 0x3f) * 100 / 31;
2974 		bool charging = !!(data[8] & 0x80);
2975 
2976 		wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
2977 				     battery, charging, battery || charging, 1);
2978 
2979 		if (!wacom->battery.battery &&
2980 		    !(features->quirks & WACOM_QUIRK_BATTERY)) {
2981 			features->quirks |= WACOM_QUIRK_BATTERY;
2982 			wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
2983 		}
2984 	}
2985 	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
2986 		 wacom->battery.battery) {
2987 		features->quirks &= ~WACOM_QUIRK_BATTERY;
2988 		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
2989 		wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
2990 	}
2991 	return 0;
2992 }
2993 
2994 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
2995 {
2996 	bool sync;
2997 
2998 	switch (wacom_wac->features.type) {
2999 	case PENPARTNER:
3000 		sync = wacom_penpartner_irq(wacom_wac);
3001 		break;
3002 
3003 	case PL:
3004 		sync = wacom_pl_irq(wacom_wac);
3005 		break;
3006 
3007 	case WACOM_G4:
3008 	case GRAPHIRE:
3009 	case GRAPHIRE_BT:
3010 	case WACOM_MO:
3011 		sync = wacom_graphire_irq(wacom_wac);
3012 		break;
3013 
3014 	case PTU:
3015 		sync = wacom_ptu_irq(wacom_wac);
3016 		break;
3017 
3018 	case DTU:
3019 		sync = wacom_dtu_irq(wacom_wac);
3020 		break;
3021 
3022 	case DTUS:
3023 	case DTUSX:
3024 		sync = wacom_dtus_irq(wacom_wac);
3025 		break;
3026 
3027 	case INTUOS:
3028 	case INTUOS3S:
3029 	case INTUOS3:
3030 	case INTUOS3L:
3031 	case INTUOS4S:
3032 	case INTUOS4:
3033 	case INTUOS4L:
3034 	case CINTIQ:
3035 	case WACOM_BEE:
3036 	case WACOM_13HD:
3037 	case WACOM_21UX2:
3038 	case WACOM_22HD:
3039 	case WACOM_24HD:
3040 	case WACOM_27QHD:
3041 	case DTK:
3042 	case CINTIQ_HYBRID:
3043 	case CINTIQ_COMPANION_2:
3044 		sync = wacom_intuos_irq(wacom_wac);
3045 		break;
3046 
3047 	case INTUOS4WL:
3048 		sync = wacom_intuos_bt_irq(wacom_wac, len);
3049 		break;
3050 
3051 	case WACOM_24HDT:
3052 	case WACOM_27QHDT:
3053 		sync = wacom_24hdt_irq(wacom_wac);
3054 		break;
3055 
3056 	case INTUOS5S:
3057 	case INTUOS5:
3058 	case INTUOS5L:
3059 	case INTUOSPS:
3060 	case INTUOSPM:
3061 	case INTUOSPL:
3062 		if (len == WACOM_PKGLEN_BBTOUCH3)
3063 			sync = wacom_bpt3_touch(wacom_wac);
3064 		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3065 			sync = wacom_status_irq(wacom_wac, len);
3066 		else
3067 			sync = wacom_intuos_irq(wacom_wac);
3068 		break;
3069 
3070 	case INTUOSP2_BT:
3071 		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3072 		break;
3073 
3074 	case TABLETPC:
3075 	case TABLETPCE:
3076 	case TABLETPC2FG:
3077 	case MTSCREEN:
3078 	case MTTPC:
3079 	case MTTPC_B:
3080 		sync = wacom_tpc_irq(wacom_wac, len);
3081 		break;
3082 
3083 	case BAMBOO_PT:
3084 	case BAMBOO_PEN:
3085 	case BAMBOO_TOUCH:
3086 	case INTUOSHT:
3087 	case INTUOSHT2:
3088 		if (wacom_wac->data[0] == WACOM_REPORT_USB)
3089 			sync = wacom_status_irq(wacom_wac, len);
3090 		else
3091 			sync = wacom_bpt_irq(wacom_wac, len);
3092 		break;
3093 
3094 	case BAMBOO_PAD:
3095 		sync = wacom_bamboo_pad_irq(wacom_wac, len);
3096 		break;
3097 
3098 	case WIRELESS:
3099 		sync = wacom_wireless_irq(wacom_wac, len);
3100 		break;
3101 
3102 	case REMOTE:
3103 		sync = false;
3104 		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3105 			wacom_remote_status_irq(wacom_wac, len);
3106 		else
3107 			sync = wacom_remote_irq(wacom_wac, len);
3108 		break;
3109 
3110 	default:
3111 		sync = false;
3112 		break;
3113 	}
3114 
3115 	if (sync) {
3116 		if (wacom_wac->pen_input)
3117 			input_sync(wacom_wac->pen_input);
3118 		if (wacom_wac->touch_input)
3119 			input_sync(wacom_wac->touch_input);
3120 		if (wacom_wac->pad_input)
3121 			input_sync(wacom_wac->pad_input);
3122 	}
3123 }
3124 
3125 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3126 {
3127 	struct input_dev *input_dev = wacom_wac->pen_input;
3128 
3129 	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3130 
3131 	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3132 	__set_bit(BTN_STYLUS, input_dev->keybit);
3133 	__set_bit(BTN_STYLUS2, input_dev->keybit);
3134 
3135 	input_set_abs_params(input_dev, ABS_DISTANCE,
3136 			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3137 }
3138 
3139 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3140 {
3141 	struct input_dev *input_dev = wacom_wac->pen_input;
3142 	struct wacom_features *features = &wacom_wac->features;
3143 
3144 	wacom_setup_basic_pro_pen(wacom_wac);
3145 
3146 	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3147 	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3148 	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3149 	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3150 
3151 	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3152 	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3153 	input_abs_set_res(input_dev, ABS_TILT_X, 57);
3154 	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3155 	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3156 }
3157 
3158 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3159 {
3160 	struct input_dev *input_dev = wacom_wac->pen_input;
3161 
3162 	input_set_capability(input_dev, EV_REL, REL_WHEEL);
3163 
3164 	wacom_setup_cintiq(wacom_wac);
3165 
3166 	__set_bit(BTN_LEFT, input_dev->keybit);
3167 	__set_bit(BTN_RIGHT, input_dev->keybit);
3168 	__set_bit(BTN_MIDDLE, input_dev->keybit);
3169 	__set_bit(BTN_SIDE, input_dev->keybit);
3170 	__set_bit(BTN_EXTRA, input_dev->keybit);
3171 	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3172 	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
3173 
3174 	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3175 	input_abs_set_res(input_dev, ABS_RZ, 287);
3176 	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3177 }
3178 
3179 void wacom_setup_device_quirks(struct wacom *wacom)
3180 {
3181 	struct wacom_features *features = &wacom->wacom_wac.features;
3182 
3183 	/* The pen and pad share the same interface on most devices */
3184 	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3185 	    features->type == DTUS ||
3186 	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3187 		if (features->device_type & WACOM_DEVICETYPE_PEN)
3188 			features->device_type |= WACOM_DEVICETYPE_PAD;
3189 	}
3190 
3191 	/* touch device found but size is not defined. use default */
3192 	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3193 		features->x_max = 1023;
3194 		features->y_max = 1023;
3195 	}
3196 
3197 	/*
3198 	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3199 	 * touch interface in its HID descriptor. If this is the touch
3200 	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3201 	 * tablet values.
3202 	 */
3203 	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3204 		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3205 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3206 			if (features->touch_max)
3207 				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3208 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3209 				features->device_type |= WACOM_DEVICETYPE_PAD;
3210 
3211 			features->x_max = 4096;
3212 			features->y_max = 4096;
3213 		}
3214 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3215 			features->device_type |= WACOM_DEVICETYPE_PAD;
3216 		}
3217 	}
3218 
3219 	/*
3220 	 * Hack for the Bamboo One:
3221 	 * the device presents a PAD/Touch interface as most Bamboos and even
3222 	 * sends ghosts PAD data on it. However, later, we must disable this
3223 	 * ghost interface, and we can not detect it unless we set it here
3224 	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3225 	 */
3226 	if (features->type == BAMBOO_PEN &&
3227 	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3228 		features->device_type |= WACOM_DEVICETYPE_PAD;
3229 
3230 	/*
3231 	 * Raw Wacom-mode pen and touch events both come from interface
3232 	 * 0, whose HID descriptor has an application usage of 0xFF0D
3233 	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3234 	 * out through the HID_GENERIC device created for interface 1,
3235 	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3236 	 */
3237 	if (features->type == BAMBOO_PAD)
3238 		features->device_type = WACOM_DEVICETYPE_TOUCH;
3239 
3240 	if (features->type == REMOTE)
3241 		features->device_type = WACOM_DEVICETYPE_PAD;
3242 
3243 	if (features->type == INTUOSP2_BT) {
3244 		features->device_type |= WACOM_DEVICETYPE_PEN |
3245 					 WACOM_DEVICETYPE_PAD |
3246 					 WACOM_DEVICETYPE_TOUCH;
3247 		features->quirks |= WACOM_QUIRK_BATTERY;
3248 	}
3249 
3250 	switch (features->type) {
3251 	case PL:
3252 	case DTU:
3253 	case DTUS:
3254 	case DTUSX:
3255 	case WACOM_21UX2:
3256 	case WACOM_22HD:
3257 	case DTK:
3258 	case WACOM_24HD:
3259 	case WACOM_27QHD:
3260 	case CINTIQ_HYBRID:
3261 	case CINTIQ_COMPANION_2:
3262 	case CINTIQ:
3263 	case WACOM_BEE:
3264 	case WACOM_13HD:
3265 	case WACOM_24HDT:
3266 	case WACOM_27QHDT:
3267 	case TABLETPC:
3268 	case TABLETPCE:
3269 	case TABLETPC2FG:
3270 	case MTSCREEN:
3271 	case MTTPC:
3272 	case MTTPC_B:
3273 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3274 		break;
3275 	}
3276 
3277 	if (wacom->hdev->bus == BUS_BLUETOOTH)
3278 		features->quirks |= WACOM_QUIRK_BATTERY;
3279 
3280 	/* quirk for bamboo touch with 2 low res touches */
3281 	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3282 	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3283 		features->x_max <<= 5;
3284 		features->y_max <<= 5;
3285 		features->x_fuzz <<= 5;
3286 		features->y_fuzz <<= 5;
3287 		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3288 	}
3289 
3290 	if (features->type == WIRELESS) {
3291 		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3292 			features->quirks |= WACOM_QUIRK_BATTERY;
3293 		}
3294 	}
3295 
3296 	if (features->type == REMOTE)
3297 		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3298 }
3299 
3300 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3301 				   struct wacom_wac *wacom_wac)
3302 {
3303 	struct wacom_features *features = &wacom_wac->features;
3304 
3305 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3306 
3307 	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3308 		return -ENODEV;
3309 
3310 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3311 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3312 	else
3313 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3314 
3315 	if (features->type == HID_GENERIC) {
3316 		/* setup has already been done; apply otherwise-undetectible quirks */
3317 		input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3318 		return 0;
3319 	}
3320 
3321 	__set_bit(BTN_TOUCH, input_dev->keybit);
3322 	__set_bit(ABS_MISC, input_dev->absbit);
3323 
3324 	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3325 			     features->x_max - features->offset_right,
3326 			     features->x_fuzz, 0);
3327 	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3328 			     features->y_max - features->offset_bottom,
3329 			     features->y_fuzz, 0);
3330 	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3331 		features->pressure_max, features->pressure_fuzz, 0);
3332 
3333 	/* penabled devices have fixed resolution for each model */
3334 	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3335 	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3336 
3337 	switch (features->type) {
3338 	case GRAPHIRE_BT:
3339 		__clear_bit(ABS_MISC, input_dev->absbit);
3340 
3341 	case WACOM_MO:
3342 	case WACOM_G4:
3343 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3344 					      features->distance_max,
3345 					      features->distance_fuzz, 0);
3346 		/* fall through */
3347 
3348 	case GRAPHIRE:
3349 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3350 
3351 		__set_bit(BTN_LEFT, input_dev->keybit);
3352 		__set_bit(BTN_RIGHT, input_dev->keybit);
3353 		__set_bit(BTN_MIDDLE, input_dev->keybit);
3354 
3355 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3356 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3357 		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3358 		__set_bit(BTN_STYLUS, input_dev->keybit);
3359 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3360 		break;
3361 
3362 	case WACOM_27QHD:
3363 	case WACOM_24HD:
3364 	case DTK:
3365 	case WACOM_22HD:
3366 	case WACOM_21UX2:
3367 	case WACOM_BEE:
3368 	case CINTIQ:
3369 	case WACOM_13HD:
3370 	case CINTIQ_HYBRID:
3371 	case CINTIQ_COMPANION_2:
3372 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3373 		input_abs_set_res(input_dev, ABS_Z, 287);
3374 		wacom_setup_cintiq(wacom_wac);
3375 		break;
3376 
3377 	case INTUOS3:
3378 	case INTUOS3L:
3379 	case INTUOS3S:
3380 	case INTUOS4:
3381 	case INTUOS4WL:
3382 	case INTUOS4L:
3383 	case INTUOS4S:
3384 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3385 		input_abs_set_res(input_dev, ABS_Z, 287);
3386 		/* fall through */
3387 
3388 	case INTUOS:
3389 		wacom_setup_intuos(wacom_wac);
3390 		break;
3391 
3392 	case INTUOS5:
3393 	case INTUOS5L:
3394 	case INTUOSPM:
3395 	case INTUOSPL:
3396 	case INTUOS5S:
3397 	case INTUOSPS:
3398 	case INTUOSP2_BT:
3399 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3400 				      features->distance_max,
3401 				      features->distance_fuzz, 0);
3402 
3403 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3404 		input_abs_set_res(input_dev, ABS_Z, 287);
3405 
3406 		wacom_setup_intuos(wacom_wac);
3407 		break;
3408 
3409 	case WACOM_24HDT:
3410 	case WACOM_27QHDT:
3411 	case MTSCREEN:
3412 	case MTTPC:
3413 	case MTTPC_B:
3414 	case TABLETPC2FG:
3415 	case TABLETPC:
3416 	case TABLETPCE:
3417 		__clear_bit(ABS_MISC, input_dev->absbit);
3418 		/* fall through */
3419 
3420 	case DTUS:
3421 	case DTUSX:
3422 	case PL:
3423 	case DTU:
3424 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3425 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3426 		__set_bit(BTN_STYLUS, input_dev->keybit);
3427 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3428 		break;
3429 
3430 	case PTU:
3431 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3432 		/* fall through */
3433 
3434 	case PENPARTNER:
3435 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3436 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3437 		__set_bit(BTN_STYLUS, input_dev->keybit);
3438 		break;
3439 
3440 	case INTUOSHT:
3441 	case BAMBOO_PT:
3442 	case BAMBOO_PEN:
3443 	case INTUOSHT2:
3444 		if (features->type == INTUOSHT2) {
3445 			wacom_setup_basic_pro_pen(wacom_wac);
3446 		} else {
3447 			__clear_bit(ABS_MISC, input_dev->absbit);
3448 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3449 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3450 			__set_bit(BTN_STYLUS, input_dev->keybit);
3451 			__set_bit(BTN_STYLUS2, input_dev->keybit);
3452 			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3453 				      features->distance_max,
3454 				      features->distance_fuzz, 0);
3455 		}
3456 		break;
3457 	case BAMBOO_PAD:
3458 		__clear_bit(ABS_MISC, input_dev->absbit);
3459 		break;
3460 	}
3461 	return 0;
3462 }
3463 
3464 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3465 					 struct wacom_wac *wacom_wac)
3466 {
3467 	struct wacom_features *features = &wacom_wac->features;
3468 
3469 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3470 
3471 	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3472 		return -ENODEV;
3473 
3474 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3475 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3476 	else
3477 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3478 
3479 	if (features->type == HID_GENERIC)
3480 		/* setup has already been done */
3481 		return 0;
3482 
3483 	__set_bit(BTN_TOUCH, input_dev->keybit);
3484 
3485 	if (features->touch_max == 1) {
3486 		input_set_abs_params(input_dev, ABS_X, 0,
3487 			features->x_max, features->x_fuzz, 0);
3488 		input_set_abs_params(input_dev, ABS_Y, 0,
3489 			features->y_max, features->y_fuzz, 0);
3490 		input_abs_set_res(input_dev, ABS_X,
3491 				  features->x_resolution);
3492 		input_abs_set_res(input_dev, ABS_Y,
3493 				  features->y_resolution);
3494 	}
3495 	else if (features->touch_max > 1) {
3496 		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3497 			features->x_max, features->x_fuzz, 0);
3498 		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3499 			features->y_max, features->y_fuzz, 0);
3500 		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3501 				  features->x_resolution);
3502 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3503 				  features->y_resolution);
3504 	}
3505 
3506 	switch (features->type) {
3507 	case INTUOSP2_BT:
3508 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3509 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3510 
3511 		if (wacom_wac->shared->touch->product == 0x361) {
3512 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3513 					     0, 12440, 4, 0);
3514 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3515 					     0, 8640, 4, 0);
3516 		}
3517 		else if (wacom_wac->shared->touch->product == 0x360) {
3518 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3519 					     0, 8960, 4, 0);
3520 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3521 					     0, 5920, 4, 0);
3522 		}
3523 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3524 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3525 
3526 		/* fall through */
3527 
3528 	case INTUOS5:
3529 	case INTUOS5L:
3530 	case INTUOSPM:
3531 	case INTUOSPL:
3532 	case INTUOS5S:
3533 	case INTUOSPS:
3534 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3535 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3536 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3537 		break;
3538 
3539 	case WACOM_24HDT:
3540 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3541 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3542 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3543 		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3544 		/* fall through */
3545 
3546 	case WACOM_27QHDT:
3547 	case MTSCREEN:
3548 	case MTTPC:
3549 	case MTTPC_B:
3550 	case TABLETPC2FG:
3551 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3552 		/*fall through */
3553 
3554 	case TABLETPC:
3555 	case TABLETPCE:
3556 		break;
3557 
3558 	case INTUOSHT:
3559 	case INTUOSHT2:
3560 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3561 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3562 		/* fall through */
3563 
3564 	case BAMBOO_PT:
3565 	case BAMBOO_TOUCH:
3566 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3567 			input_set_abs_params(input_dev,
3568 				     ABS_MT_TOUCH_MAJOR,
3569 				     0, features->x_max, 0, 0);
3570 			input_set_abs_params(input_dev,
3571 				     ABS_MT_TOUCH_MINOR,
3572 				     0, features->y_max, 0, 0);
3573 		}
3574 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3575 		break;
3576 
3577 	case BAMBOO_PAD:
3578 		input_mt_init_slots(input_dev, features->touch_max,
3579 				    INPUT_MT_POINTER);
3580 		__set_bit(BTN_LEFT, input_dev->keybit);
3581 		__set_bit(BTN_RIGHT, input_dev->keybit);
3582 		break;
3583 	}
3584 	return 0;
3585 }
3586 
3587 static int wacom_numbered_button_to_key(int n)
3588 {
3589 	if (n < 10)
3590 		return BTN_0 + n;
3591 	else if (n < 16)
3592 		return BTN_A + (n-10);
3593 	else if (n < 18)
3594 		return BTN_BASE + (n-16);
3595 	else
3596 		return 0;
3597 }
3598 
3599 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3600 				int button_count)
3601 {
3602 	int i;
3603 
3604 	for (i = 0; i < button_count; i++) {
3605 		int key = wacom_numbered_button_to_key(i);
3606 
3607 		if (key)
3608 			__set_bit(key, input_dev->keybit);
3609 	}
3610 }
3611 
3612 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3613 {
3614 	struct wacom_led *led;
3615 	int i;
3616 	bool updated = false;
3617 
3618 	/*
3619 	 * 24HD has LED group 1 to the left and LED group 0 to the right.
3620 	 * So group 0 matches the second half of the buttons and thus the mask
3621 	 * needs to be shifted.
3622 	 */
3623 	if (group == 0)
3624 		mask >>= 8;
3625 
3626 	for (i = 0; i < 3; i++) {
3627 		led = wacom_led_find(wacom, group, i);
3628 		if (!led) {
3629 			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3630 				i, group);
3631 			continue;
3632 		}
3633 		if (!updated && mask & BIT(i)) {
3634 			led->held = true;
3635 			led_trigger_event(&led->trigger, LED_FULL);
3636 		} else {
3637 			led->held = false;
3638 		}
3639 	}
3640 }
3641 
3642 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3643 				 int mask, int group)
3644 {
3645 	int button_per_group;
3646 
3647 	/*
3648 	 * 21UX2 has LED group 1 to the left and LED group 0
3649 	 * to the right. We need to reverse the group to match this
3650 	 * historical behavior.
3651 	 */
3652 	if (wacom->wacom_wac.features.type == WACOM_21UX2)
3653 		group = 1 - group;
3654 
3655 	button_per_group = button_count/wacom->led.count;
3656 
3657 	return mask & (1 << (group * button_per_group));
3658 }
3659 
3660 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3661 			     int group)
3662 {
3663 	struct wacom_led *led, *next_led;
3664 	int cur;
3665 	bool pressed;
3666 
3667 	if (wacom->wacom_wac.features.type == WACOM_24HD)
3668 		return wacom_24hd_update_leds(wacom, mask, group);
3669 
3670 	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
3671 	cur = wacom->led.groups[group].select;
3672 
3673 	led = wacom_led_find(wacom, group, cur);
3674 	if (!led) {
3675 		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
3676 			cur, group);
3677 		return;
3678 	}
3679 
3680 	if (!pressed) {
3681 		led->held = false;
3682 		return;
3683 	}
3684 
3685 	if (led->held && pressed)
3686 		return;
3687 
3688 	next_led = wacom_led_next(wacom, led);
3689 	if (!next_led) {
3690 		hid_err(wacom->hdev, "can't find next LED in group %d\n",
3691 			group);
3692 		return;
3693 	}
3694 	if (next_led == led)
3695 		return;
3696 
3697 	next_led->held = true;
3698 	led_trigger_event(&next_led->trigger,
3699 			  wacom_leds_brightness_get(next_led));
3700 }
3701 
3702 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
3703 				int button_count, int mask)
3704 {
3705 	struct wacom *wacom = input_get_drvdata(input_dev);
3706 	int i;
3707 
3708 	for (i = 0; i < wacom->led.count; i++)
3709 		wacom_update_led(wacom,  button_count, mask, i);
3710 
3711 	for (i = 0; i < button_count; i++) {
3712 		int key = wacom_numbered_button_to_key(i);
3713 
3714 		if (key)
3715 			input_report_key(input_dev, key, mask & (1 << i));
3716 	}
3717 }
3718 
3719 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
3720 				   struct wacom_wac *wacom_wac)
3721 {
3722 	struct wacom_features *features = &wacom_wac->features;
3723 
3724 	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
3725 		features->device_type |= WACOM_DEVICETYPE_PAD;
3726 
3727 	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
3728 		return -ENODEV;
3729 
3730 	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
3731 		return -ENODEV;
3732 
3733 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3734 
3735 	/* kept for making legacy xf86-input-wacom working with the wheels */
3736 	__set_bit(ABS_MISC, input_dev->absbit);
3737 
3738 	/* kept for making legacy xf86-input-wacom accepting the pad */
3739 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
3740 	      input_dev->absinfo[ABS_X].maximum)))
3741 		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
3742 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
3743 	      input_dev->absinfo[ABS_Y].maximum)))
3744 		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
3745 
3746 	/* kept for making udev and libwacom accepting the pad */
3747 	__set_bit(BTN_STYLUS, input_dev->keybit);
3748 
3749 	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
3750 
3751 	switch (features->type) {
3752 
3753 	case CINTIQ_HYBRID:
3754 	case CINTIQ_COMPANION_2:
3755 	case DTK:
3756 	case DTUS:
3757 	case GRAPHIRE_BT:
3758 		break;
3759 
3760 	case WACOM_MO:
3761 		__set_bit(BTN_BACK, input_dev->keybit);
3762 		__set_bit(BTN_LEFT, input_dev->keybit);
3763 		__set_bit(BTN_FORWARD, input_dev->keybit);
3764 		__set_bit(BTN_RIGHT, input_dev->keybit);
3765 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3766 		break;
3767 
3768 	case WACOM_G4:
3769 		__set_bit(BTN_BACK, input_dev->keybit);
3770 		__set_bit(BTN_FORWARD, input_dev->keybit);
3771 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3772 		break;
3773 
3774 	case WACOM_24HD:
3775 		__set_bit(KEY_PROG1, input_dev->keybit);
3776 		__set_bit(KEY_PROG2, input_dev->keybit);
3777 		__set_bit(KEY_PROG3, input_dev->keybit);
3778 
3779 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3780 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
3781 		break;
3782 
3783 	case WACOM_27QHD:
3784 		__set_bit(KEY_PROG1, input_dev->keybit);
3785 		__set_bit(KEY_PROG2, input_dev->keybit);
3786 		__set_bit(KEY_PROG3, input_dev->keybit);
3787 		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
3788 		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
3789 		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
3790 		input_abs_set_res(input_dev, ABS_Y, 1024);
3791 		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
3792 		input_abs_set_res(input_dev, ABS_Z, 1024);
3793 		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
3794 		break;
3795 
3796 	case WACOM_22HD:
3797 		__set_bit(KEY_PROG1, input_dev->keybit);
3798 		__set_bit(KEY_PROG2, input_dev->keybit);
3799 		__set_bit(KEY_PROG3, input_dev->keybit);
3800 		/* fall through */
3801 
3802 	case WACOM_21UX2:
3803 	case WACOM_BEE:
3804 	case CINTIQ:
3805 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
3806 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
3807 		break;
3808 
3809 	case WACOM_13HD:
3810 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3811 		break;
3812 
3813 	case INTUOS3:
3814 	case INTUOS3L:
3815 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
3816 		/* fall through */
3817 
3818 	case INTUOS3S:
3819 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
3820 		break;
3821 
3822 	case INTUOS5:
3823 	case INTUOS5L:
3824 	case INTUOSPM:
3825 	case INTUOSPL:
3826 	case INTUOS5S:
3827 	case INTUOSPS:
3828 	case INTUOSP2_BT:
3829 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3830 		break;
3831 
3832 	case INTUOS4WL:
3833 		/*
3834 		 * For Bluetooth devices, the udev rule does not work correctly
3835 		 * for pads unless we add a stylus capability, which forces
3836 		 * ID_INPUT_TABLET to be set.
3837 		 */
3838 		__set_bit(BTN_STYLUS, input_dev->keybit);
3839 		/* fall through */
3840 
3841 	case INTUOS4:
3842 	case INTUOS4L:
3843 	case INTUOS4S:
3844 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3845 		break;
3846 
3847 	case INTUOSHT:
3848 	case BAMBOO_PT:
3849 	case BAMBOO_TOUCH:
3850 	case INTUOSHT2:
3851 		__clear_bit(ABS_MISC, input_dev->absbit);
3852 
3853 		__set_bit(BTN_LEFT, input_dev->keybit);
3854 		__set_bit(BTN_FORWARD, input_dev->keybit);
3855 		__set_bit(BTN_BACK, input_dev->keybit);
3856 		__set_bit(BTN_RIGHT, input_dev->keybit);
3857 
3858 		break;
3859 
3860 	case REMOTE:
3861 		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3862 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3863 		break;
3864 
3865 	case HID_GENERIC:
3866 		break;
3867 
3868 	default:
3869 		/* no pad supported */
3870 		return -ENODEV;
3871 	}
3872 	return 0;
3873 }
3874 
3875 static const struct wacom_features wacom_features_0x00 =
3876 	{ "Wacom Penpartner", 5040, 3780, 255, 0,
3877 	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
3878 static const struct wacom_features wacom_features_0x10 =
3879 	{ "Wacom Graphire", 10206, 7422, 511, 63,
3880 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3881 static const struct wacom_features wacom_features_0x81 =
3882 	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
3883 	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
3884 static const struct wacom_features wacom_features_0x11 =
3885 	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
3886 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3887 static const struct wacom_features wacom_features_0x12 =
3888 	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
3889 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3890 static const struct wacom_features wacom_features_0x13 =
3891 	{ "Wacom Graphire3", 10208, 7424, 511, 63,
3892 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3893 static const struct wacom_features wacom_features_0x14 =
3894 	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
3895 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3896 static const struct wacom_features wacom_features_0x15 =
3897 	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
3898 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3899 static const struct wacom_features wacom_features_0x16 =
3900 	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
3901 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3902 static const struct wacom_features wacom_features_0x17 =
3903 	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
3904 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3905 static const struct wacom_features wacom_features_0x18 =
3906 	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
3907 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3908 static const struct wacom_features wacom_features_0x19 =
3909 	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
3910 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
3911 static const struct wacom_features wacom_features_0x60 =
3912 	{ "Wacom Volito", 5104, 3712, 511, 63,
3913 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3914 static const struct wacom_features wacom_features_0x61 =
3915 	{ "Wacom PenStation2", 3250, 2320, 255, 63,
3916 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3917 static const struct wacom_features wacom_features_0x62 =
3918 	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
3919 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3920 static const struct wacom_features wacom_features_0x63 =
3921 	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
3922 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3923 static const struct wacom_features wacom_features_0x64 =
3924 	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
3925 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
3926 static const struct wacom_features wacom_features_0x65 =
3927 	{ "Wacom Bamboo", 14760, 9225, 511, 63,
3928 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3929 static const struct wacom_features wacom_features_0x69 =
3930 	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
3931 	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
3932 static const struct wacom_features wacom_features_0x6A =
3933 	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
3934 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3935 static const struct wacom_features wacom_features_0x6B =
3936 	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
3937 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3938 static const struct wacom_features wacom_features_0x20 =
3939 	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
3940 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3941 static const struct wacom_features wacom_features_0x21 =
3942 	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
3943 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3944 static const struct wacom_features wacom_features_0x22 =
3945 	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
3946 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3947 static const struct wacom_features wacom_features_0x23 =
3948 	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
3949 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3950 static const struct wacom_features wacom_features_0x24 =
3951 	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
3952 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3953 static const struct wacom_features wacom_features_0x30 =
3954 	{ "Wacom PL400", 5408, 4056, 255, 0,
3955 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3956 static const struct wacom_features wacom_features_0x31 =
3957 	{ "Wacom PL500", 6144, 4608, 255, 0,
3958 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3959 static const struct wacom_features wacom_features_0x32 =
3960 	{ "Wacom PL600", 6126, 4604, 255, 0,
3961 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3962 static const struct wacom_features wacom_features_0x33 =
3963 	{ "Wacom PL600SX", 6260, 5016, 255, 0,
3964 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3965 static const struct wacom_features wacom_features_0x34 =
3966 	{ "Wacom PL550", 6144, 4608, 511, 0,
3967 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3968 static const struct wacom_features wacom_features_0x35 =
3969 	{ "Wacom PL800", 7220, 5780, 511, 0,
3970 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3971 static const struct wacom_features wacom_features_0x37 =
3972 	{ "Wacom PL700", 6758, 5406, 511, 0,
3973 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3974 static const struct wacom_features wacom_features_0x38 =
3975 	{ "Wacom PL510", 6282, 4762, 511, 0,
3976 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3977 static const struct wacom_features wacom_features_0x39 =
3978 	{ "Wacom DTU710", 34080, 27660, 511, 0,
3979 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3980 static const struct wacom_features wacom_features_0xC4 =
3981 	{ "Wacom DTF521", 6282, 4762, 511, 0,
3982 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3983 static const struct wacom_features wacom_features_0xC0 =
3984 	{ "Wacom DTF720", 6858, 5506, 511, 0,
3985 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3986 static const struct wacom_features wacom_features_0xC2 =
3987 	{ "Wacom DTF720a", 6858, 5506, 511, 0,
3988 	  PL, WACOM_PL_RES, WACOM_PL_RES };
3989 static const struct wacom_features wacom_features_0x03 =
3990 	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
3991 	  PTU, WACOM_PL_RES, WACOM_PL_RES };
3992 static const struct wacom_features wacom_features_0x41 =
3993 	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
3994 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3995 static const struct wacom_features wacom_features_0x42 =
3996 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
3997 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
3998 static const struct wacom_features wacom_features_0x43 =
3999 	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4000 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4001 static const struct wacom_features wacom_features_0x44 =
4002 	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4003 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4004 static const struct wacom_features wacom_features_0x45 =
4005 	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4006 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4007 static const struct wacom_features wacom_features_0xB0 =
4008 	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4009 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4010 static const struct wacom_features wacom_features_0xB1 =
4011 	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4012 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4013 static const struct wacom_features wacom_features_0xB2 =
4014 	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4015 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4016 static const struct wacom_features wacom_features_0xB3 =
4017 	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4018 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4019 static const struct wacom_features wacom_features_0xB4 =
4020 	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4021 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4022 static const struct wacom_features wacom_features_0xB5 =
4023 	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4024 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4025 static const struct wacom_features wacom_features_0xB7 =
4026 	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4027 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4028 static const struct wacom_features wacom_features_0xB8 =
4029 	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4030 	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4031 static const struct wacom_features wacom_features_0xB9 =
4032 	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4033 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4034 static const struct wacom_features wacom_features_0xBA =
4035 	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4036 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4037 static const struct wacom_features wacom_features_0xBB =
4038 	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4039 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4040 static const struct wacom_features wacom_features_0xBC =
4041 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4042 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4043 static const struct wacom_features wacom_features_0xBD =
4044 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4045 	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4046 static const struct wacom_features wacom_features_0x26 =
4047 	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4048 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4049 static const struct wacom_features wacom_features_0x27 =
4050 	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4051 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4052 static const struct wacom_features wacom_features_0x28 =
4053 	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4054 	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4055 static const struct wacom_features wacom_features_0x29 =
4056 	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4057 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4058 static const struct wacom_features wacom_features_0x2A =
4059 	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4060 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4061 static const struct wacom_features wacom_features_0x314 =
4062 	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4063 	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4064 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4065 static const struct wacom_features wacom_features_0x315 =
4066 	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4067 	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4068 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4069 static const struct wacom_features wacom_features_0x317 =
4070 	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4071 	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4072 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4073 static const struct wacom_features wacom_features_0xF4 =
4074 	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4075 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4076 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4077 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4078 static const struct wacom_features wacom_features_0xF8 =
4079 	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4080 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4081 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4082 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4083 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4084 static const struct wacom_features wacom_features_0xF6 =
4085 	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4086 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4087 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4088 static const struct wacom_features wacom_features_0x32A =
4089 	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4090 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4091 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4092 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4093 static const struct wacom_features wacom_features_0x32B =
4094 	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4095 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4096 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4097 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4098 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4099 static const struct wacom_features wacom_features_0x32C =
4100 	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4101 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4102 static const struct wacom_features wacom_features_0x3F =
4103 	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4104 	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4105 static const struct wacom_features wacom_features_0xC5 =
4106 	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4107 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4108 static const struct wacom_features wacom_features_0xC6 =
4109 	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4110 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4111 static const struct wacom_features wacom_features_0x304 =
4112 	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4113 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4114 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4115 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4116 static const struct wacom_features wacom_features_0x333 =
4117 	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4118 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4119 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4120 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4121 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4122 static const struct wacom_features wacom_features_0x335 =
4123 	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4124 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4125 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4126 static const struct wacom_features wacom_features_0xC7 =
4127 	{ "Wacom DTU1931", 37832, 30305, 511, 0,
4128 	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4129 static const struct wacom_features wacom_features_0xCE =
4130 	{ "Wacom DTU2231", 47864, 27011, 511, 0,
4131 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4132 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4133 static const struct wacom_features wacom_features_0xF0 =
4134 	{ "Wacom DTU1631", 34623, 19553, 511, 0,
4135 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4136 static const struct wacom_features wacom_features_0xFB =
4137 	{ "Wacom DTU1031", 22096, 13960, 511, 0,
4138 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4139 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4140 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4141 static const struct wacom_features wacom_features_0x32F =
4142 	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
4143 	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4144 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4145 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4146 static const struct wacom_features wacom_features_0x336 =
4147 	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
4148 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4149 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4150 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4151 static const struct wacom_features wacom_features_0x57 =
4152 	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
4153 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4154 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4155 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4156 static const struct wacom_features wacom_features_0x59 = /* Pen */
4157 	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
4158 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4159 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4160 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4161 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4162 static const struct wacom_features wacom_features_0x5D = /* Touch */
4163 	{ "Wacom DTH2242",       .type = WACOM_24HDT,
4164 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4165 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4166 static const struct wacom_features wacom_features_0xCC =
4167 	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4168 	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4169 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4170 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4171 static const struct wacom_features wacom_features_0xFA =
4172 	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4173 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4174 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4175 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4176 static const struct wacom_features wacom_features_0x5B =
4177 	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4178 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4179 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4180 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4181 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4182 static const struct wacom_features wacom_features_0x5E =
4183 	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4184 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4185 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4186 static const struct wacom_features wacom_features_0x90 =
4187 	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
4188 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4189 static const struct wacom_features wacom_features_0x93 =
4190 	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4191 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4192 static const struct wacom_features wacom_features_0x97 =
4193 	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4194 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4195 static const struct wacom_features wacom_features_0x9A =
4196 	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4197 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4198 static const struct wacom_features wacom_features_0x9F =
4199 	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4200 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4201 static const struct wacom_features wacom_features_0xE2 =
4202 	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4203 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4204 static const struct wacom_features wacom_features_0xE3 =
4205 	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4206 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4207 static const struct wacom_features wacom_features_0xE5 =
4208 	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4209 	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4210 static const struct wacom_features wacom_features_0xE6 =
4211 	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4212 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4213 static const struct wacom_features wacom_features_0xEC =
4214 	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4215 	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4216 static const struct wacom_features wacom_features_0xED =
4217 	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4218 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4219 static const struct wacom_features wacom_features_0xEF =
4220 	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4221 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4222 static const struct wacom_features wacom_features_0x100 =
4223 	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4224 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4225 static const struct wacom_features wacom_features_0x101 =
4226 	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4227 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4228 static const struct wacom_features wacom_features_0x10D =
4229 	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4230 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4231 static const struct wacom_features wacom_features_0x10E =
4232 	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4233 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4234 static const struct wacom_features wacom_features_0x10F =
4235 	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4236 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4237 static const struct wacom_features wacom_features_0x116 =
4238 	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4239 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4240 static const struct wacom_features wacom_features_0x12C =
4241 	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4242 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4243 static const struct wacom_features wacom_features_0x4001 =
4244 	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4245 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4246 static const struct wacom_features wacom_features_0x4004 =
4247 	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4248 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4249 static const struct wacom_features wacom_features_0x5000 =
4250 	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4251 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4252 static const struct wacom_features wacom_features_0x5002 =
4253 	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4254 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4255 static const struct wacom_features wacom_features_0x47 =
4256 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4257 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4258 static const struct wacom_features wacom_features_0x84 =
4259 	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4260 static const struct wacom_features wacom_features_0xD0 =
4261 	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4262 	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4263 static const struct wacom_features wacom_features_0xD1 =
4264 	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4265 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4266 static const struct wacom_features wacom_features_0xD2 =
4267 	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4268 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4269 static const struct wacom_features wacom_features_0xD3 =
4270 	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4271 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4272 static const struct wacom_features wacom_features_0xD4 =
4273 	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4274 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4275 static const struct wacom_features wacom_features_0xD5 =
4276 	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4277 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4278 static const struct wacom_features wacom_features_0xD6 =
4279 	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4280 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4281 static const struct wacom_features wacom_features_0xD7 =
4282 	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4283 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4284 static const struct wacom_features wacom_features_0xD8 =
4285 	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4286 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4287 static const struct wacom_features wacom_features_0xDA =
4288 	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4289 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4290 static const struct wacom_features wacom_features_0xDB =
4291 	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4292 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4293 static const struct wacom_features wacom_features_0xDD =
4294         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4295           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4296 static const struct wacom_features wacom_features_0xDE =
4297         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4298 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4299 static const struct wacom_features wacom_features_0xDF =
4300         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4301 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4302 static const struct wacom_features wacom_features_0x300 =
4303 	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4304 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4305 static const struct wacom_features wacom_features_0x301 =
4306 	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4307 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4308 static const struct wacom_features wacom_features_0x302 =
4309 	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4310 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4311 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4312 static const struct wacom_features wacom_features_0x303 =
4313 	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4314 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4315 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4316 static const struct wacom_features wacom_features_0x30E =
4317 	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4318 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4319 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4320 static const struct wacom_features wacom_features_0x6004 =
4321 	{ "ISD-V4", 12800, 8000, 255, 0,
4322 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4323 static const struct wacom_features wacom_features_0x307 =
4324 	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4325 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4326 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4327 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4328 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4329 static const struct wacom_features wacom_features_0x309 =
4330 	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4331 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4332 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4333 static const struct wacom_features wacom_features_0x30A =
4334 	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4335 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4336 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4337 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4338 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4339 static const struct wacom_features wacom_features_0x30C =
4340 	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4341 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4342 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4343 static const struct wacom_features wacom_features_0x318 =
4344 	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4345 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4346 static const struct wacom_features wacom_features_0x319 =
4347 	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4348 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4349 static const struct wacom_features wacom_features_0x325 =
4350 	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4351 	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4352 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4353 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4354 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4355 static const struct wacom_features wacom_features_0x326 = /* Touch */
4356 	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4357 	  .oPid = 0x325 };
4358 static const struct wacom_features wacom_features_0x323 =
4359 	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4360 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4361 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4362 static const struct wacom_features wacom_features_0x331 =
4363 	{ "Wacom Express Key Remote", .type = REMOTE,
4364 	  .numbered_buttons = 18, .check_for_hid_type = true,
4365 	  .hid_type = HID_TYPE_USBNONE };
4366 static const struct wacom_features wacom_features_0x33B =
4367 	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4368 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4369 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4370 static const struct wacom_features wacom_features_0x33C =
4371 	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4372 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4373 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4374 static const struct wacom_features wacom_features_0x33D =
4375 	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4376 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4377 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4378 static const struct wacom_features wacom_features_0x33E =
4379 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4380 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4381 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4382 static const struct wacom_features wacom_features_0x343 =
4383 	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4384 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4385 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4386 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4387 static const struct wacom_features wacom_features_0x360 =
4388 	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4389 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4390 static const struct wacom_features wacom_features_0x361 =
4391 	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4392 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4393 
4394 static const struct wacom_features wacom_features_HID_ANY_ID =
4395 	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4396 
4397 #define USB_DEVICE_WACOM(prod)						\
4398 	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4399 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4400 
4401 #define BT_DEVICE_WACOM(prod)						\
4402 	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4403 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4404 
4405 #define I2C_DEVICE_WACOM(prod)						\
4406 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4407 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4408 
4409 #define USB_DEVICE_LENOVO(prod)					\
4410 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4411 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4412 
4413 const struct hid_device_id wacom_ids[] = {
4414 	{ USB_DEVICE_WACOM(0x00) },
4415 	{ USB_DEVICE_WACOM(0x03) },
4416 	{ USB_DEVICE_WACOM(0x10) },
4417 	{ USB_DEVICE_WACOM(0x11) },
4418 	{ USB_DEVICE_WACOM(0x12) },
4419 	{ USB_DEVICE_WACOM(0x13) },
4420 	{ USB_DEVICE_WACOM(0x14) },
4421 	{ USB_DEVICE_WACOM(0x15) },
4422 	{ USB_DEVICE_WACOM(0x16) },
4423 	{ USB_DEVICE_WACOM(0x17) },
4424 	{ USB_DEVICE_WACOM(0x18) },
4425 	{ USB_DEVICE_WACOM(0x19) },
4426 	{ USB_DEVICE_WACOM(0x20) },
4427 	{ USB_DEVICE_WACOM(0x21) },
4428 	{ USB_DEVICE_WACOM(0x22) },
4429 	{ USB_DEVICE_WACOM(0x23) },
4430 	{ USB_DEVICE_WACOM(0x24) },
4431 	{ USB_DEVICE_WACOM(0x26) },
4432 	{ USB_DEVICE_WACOM(0x27) },
4433 	{ USB_DEVICE_WACOM(0x28) },
4434 	{ USB_DEVICE_WACOM(0x29) },
4435 	{ USB_DEVICE_WACOM(0x2A) },
4436 	{ USB_DEVICE_WACOM(0x30) },
4437 	{ USB_DEVICE_WACOM(0x31) },
4438 	{ USB_DEVICE_WACOM(0x32) },
4439 	{ USB_DEVICE_WACOM(0x33) },
4440 	{ USB_DEVICE_WACOM(0x34) },
4441 	{ USB_DEVICE_WACOM(0x35) },
4442 	{ USB_DEVICE_WACOM(0x37) },
4443 	{ USB_DEVICE_WACOM(0x38) },
4444 	{ USB_DEVICE_WACOM(0x39) },
4445 	{ USB_DEVICE_WACOM(0x3F) },
4446 	{ USB_DEVICE_WACOM(0x41) },
4447 	{ USB_DEVICE_WACOM(0x42) },
4448 	{ USB_DEVICE_WACOM(0x43) },
4449 	{ USB_DEVICE_WACOM(0x44) },
4450 	{ USB_DEVICE_WACOM(0x45) },
4451 	{ USB_DEVICE_WACOM(0x47) },
4452 	{ USB_DEVICE_WACOM(0x57) },
4453 	{ USB_DEVICE_WACOM(0x59) },
4454 	{ USB_DEVICE_WACOM(0x5B) },
4455 	{ USB_DEVICE_WACOM(0x5D) },
4456 	{ USB_DEVICE_WACOM(0x5E) },
4457 	{ USB_DEVICE_WACOM(0x60) },
4458 	{ USB_DEVICE_WACOM(0x61) },
4459 	{ USB_DEVICE_WACOM(0x62) },
4460 	{ USB_DEVICE_WACOM(0x63) },
4461 	{ USB_DEVICE_WACOM(0x64) },
4462 	{ USB_DEVICE_WACOM(0x65) },
4463 	{ USB_DEVICE_WACOM(0x69) },
4464 	{ USB_DEVICE_WACOM(0x6A) },
4465 	{ USB_DEVICE_WACOM(0x6B) },
4466 	{ BT_DEVICE_WACOM(0x81) },
4467 	{ USB_DEVICE_WACOM(0x84) },
4468 	{ USB_DEVICE_WACOM(0x90) },
4469 	{ USB_DEVICE_WACOM(0x93) },
4470 	{ USB_DEVICE_WACOM(0x97) },
4471 	{ USB_DEVICE_WACOM(0x9A) },
4472 	{ USB_DEVICE_WACOM(0x9F) },
4473 	{ USB_DEVICE_WACOM(0xB0) },
4474 	{ USB_DEVICE_WACOM(0xB1) },
4475 	{ USB_DEVICE_WACOM(0xB2) },
4476 	{ USB_DEVICE_WACOM(0xB3) },
4477 	{ USB_DEVICE_WACOM(0xB4) },
4478 	{ USB_DEVICE_WACOM(0xB5) },
4479 	{ USB_DEVICE_WACOM(0xB7) },
4480 	{ USB_DEVICE_WACOM(0xB8) },
4481 	{ USB_DEVICE_WACOM(0xB9) },
4482 	{ USB_DEVICE_WACOM(0xBA) },
4483 	{ USB_DEVICE_WACOM(0xBB) },
4484 	{ USB_DEVICE_WACOM(0xBC) },
4485 	{ BT_DEVICE_WACOM(0xBD) },
4486 	{ USB_DEVICE_WACOM(0xC0) },
4487 	{ USB_DEVICE_WACOM(0xC2) },
4488 	{ USB_DEVICE_WACOM(0xC4) },
4489 	{ USB_DEVICE_WACOM(0xC5) },
4490 	{ USB_DEVICE_WACOM(0xC6) },
4491 	{ USB_DEVICE_WACOM(0xC7) },
4492 	{ USB_DEVICE_WACOM(0xCC) },
4493 	{ USB_DEVICE_WACOM(0xCE) },
4494 	{ USB_DEVICE_WACOM(0xD0) },
4495 	{ USB_DEVICE_WACOM(0xD1) },
4496 	{ USB_DEVICE_WACOM(0xD2) },
4497 	{ USB_DEVICE_WACOM(0xD3) },
4498 	{ USB_DEVICE_WACOM(0xD4) },
4499 	{ USB_DEVICE_WACOM(0xD5) },
4500 	{ USB_DEVICE_WACOM(0xD6) },
4501 	{ USB_DEVICE_WACOM(0xD7) },
4502 	{ USB_DEVICE_WACOM(0xD8) },
4503 	{ USB_DEVICE_WACOM(0xDA) },
4504 	{ USB_DEVICE_WACOM(0xDB) },
4505 	{ USB_DEVICE_WACOM(0xDD) },
4506 	{ USB_DEVICE_WACOM(0xDE) },
4507 	{ USB_DEVICE_WACOM(0xDF) },
4508 	{ USB_DEVICE_WACOM(0xE2) },
4509 	{ USB_DEVICE_WACOM(0xE3) },
4510 	{ USB_DEVICE_WACOM(0xE5) },
4511 	{ USB_DEVICE_WACOM(0xE6) },
4512 	{ USB_DEVICE_WACOM(0xEC) },
4513 	{ USB_DEVICE_WACOM(0xED) },
4514 	{ USB_DEVICE_WACOM(0xEF) },
4515 	{ USB_DEVICE_WACOM(0xF0) },
4516 	{ USB_DEVICE_WACOM(0xF4) },
4517 	{ USB_DEVICE_WACOM(0xF6) },
4518 	{ USB_DEVICE_WACOM(0xF8) },
4519 	{ USB_DEVICE_WACOM(0xFA) },
4520 	{ USB_DEVICE_WACOM(0xFB) },
4521 	{ USB_DEVICE_WACOM(0x100) },
4522 	{ USB_DEVICE_WACOM(0x101) },
4523 	{ USB_DEVICE_WACOM(0x10D) },
4524 	{ USB_DEVICE_WACOM(0x10E) },
4525 	{ USB_DEVICE_WACOM(0x10F) },
4526 	{ USB_DEVICE_WACOM(0x116) },
4527 	{ USB_DEVICE_WACOM(0x12C) },
4528 	{ USB_DEVICE_WACOM(0x300) },
4529 	{ USB_DEVICE_WACOM(0x301) },
4530 	{ USB_DEVICE_WACOM(0x302) },
4531 	{ USB_DEVICE_WACOM(0x303) },
4532 	{ USB_DEVICE_WACOM(0x304) },
4533 	{ USB_DEVICE_WACOM(0x307) },
4534 	{ USB_DEVICE_WACOM(0x309) },
4535 	{ USB_DEVICE_WACOM(0x30A) },
4536 	{ USB_DEVICE_WACOM(0x30C) },
4537 	{ USB_DEVICE_WACOM(0x30E) },
4538 	{ USB_DEVICE_WACOM(0x314) },
4539 	{ USB_DEVICE_WACOM(0x315) },
4540 	{ USB_DEVICE_WACOM(0x317) },
4541 	{ USB_DEVICE_WACOM(0x318) },
4542 	{ USB_DEVICE_WACOM(0x319) },
4543 	{ USB_DEVICE_WACOM(0x323) },
4544 	{ USB_DEVICE_WACOM(0x325) },
4545 	{ USB_DEVICE_WACOM(0x326) },
4546 	{ USB_DEVICE_WACOM(0x32A) },
4547 	{ USB_DEVICE_WACOM(0x32B) },
4548 	{ USB_DEVICE_WACOM(0x32C) },
4549 	{ USB_DEVICE_WACOM(0x32F) },
4550 	{ USB_DEVICE_WACOM(0x331) },
4551 	{ USB_DEVICE_WACOM(0x333) },
4552 	{ USB_DEVICE_WACOM(0x335) },
4553 	{ USB_DEVICE_WACOM(0x336) },
4554 	{ USB_DEVICE_WACOM(0x33B) },
4555 	{ USB_DEVICE_WACOM(0x33C) },
4556 	{ USB_DEVICE_WACOM(0x33D) },
4557 	{ USB_DEVICE_WACOM(0x33E) },
4558 	{ USB_DEVICE_WACOM(0x343) },
4559 	{ BT_DEVICE_WACOM(0x360) },
4560 	{ BT_DEVICE_WACOM(0x361) },
4561 	{ USB_DEVICE_WACOM(0x4001) },
4562 	{ USB_DEVICE_WACOM(0x4004) },
4563 	{ USB_DEVICE_WACOM(0x5000) },
4564 	{ USB_DEVICE_WACOM(0x5002) },
4565 	{ USB_DEVICE_LENOVO(0x6004) },
4566 
4567 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
4568 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
4569 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
4570 	{ }
4571 };
4572 MODULE_DEVICE_TABLE(hid, wacom_ids);
4573