xref: /linux/drivers/hid/wacom_wac.c (revision 856e7c4b619af622d56b3b454f7bec32a170ac99)
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 void wacom_exit_report(struct wacom_wac *wacom)
693 {
694 	struct input_dev *input = wacom->pen_input;
695 	struct wacom_features *features = &wacom->features;
696 	unsigned char *data = wacom->data;
697 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
698 
699 	/*
700 	 * Reset all states otherwise we lose the initial states
701 	 * when in-prox next time
702 	 */
703 	input_report_abs(input, ABS_X, 0);
704 	input_report_abs(input, ABS_Y, 0);
705 	input_report_abs(input, ABS_DISTANCE, 0);
706 	input_report_abs(input, ABS_TILT_X, 0);
707 	input_report_abs(input, ABS_TILT_Y, 0);
708 	if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
709 		input_report_key(input, BTN_LEFT, 0);
710 		input_report_key(input, BTN_MIDDLE, 0);
711 		input_report_key(input, BTN_RIGHT, 0);
712 		input_report_key(input, BTN_SIDE, 0);
713 		input_report_key(input, BTN_EXTRA, 0);
714 		input_report_abs(input, ABS_THROTTLE, 0);
715 		input_report_abs(input, ABS_RZ, 0);
716 	} else {
717 		input_report_abs(input, ABS_PRESSURE, 0);
718 		input_report_key(input, BTN_STYLUS, 0);
719 		input_report_key(input, BTN_STYLUS2, 0);
720 		input_report_key(input, BTN_TOUCH, 0);
721 		input_report_abs(input, ABS_WHEEL, 0);
722 		if (features->type >= INTUOS3S)
723 			input_report_abs(input, ABS_Z, 0);
724 	}
725 	input_report_key(input, wacom->tool[idx], 0);
726 	input_report_abs(input, ABS_MISC, 0); /* reset tool id */
727 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
728 	wacom->id[idx] = 0;
729 }
730 
731 static int wacom_intuos_inout(struct wacom_wac *wacom)
732 {
733 	struct wacom_features *features = &wacom->features;
734 	unsigned char *data = wacom->data;
735 	struct input_dev *input = wacom->pen_input;
736 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
737 
738 	if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
739 	    ((data[1] & 0xfe) == 0x20) ||    /* in range */
740 	    ((data[1] & 0xfe) == 0x80)))     /* out prox */
741 		return 0;
742 
743 	/* Enter report */
744 	if ((data[1] & 0xfc) == 0xc0) {
745 		/* serial number of the tool */
746 		wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
747 			(data[4] << 20) + (data[5] << 12) +
748 			(data[6] << 4) + (data[7] >> 4);
749 
750 		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
751 		     ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
752 
753 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
754 
755 		wacom->shared->stylus_in_proximity = true;
756 		return 1;
757 	}
758 
759 	/* in Range */
760 	if ((data[1] & 0xfe) == 0x20) {
761 		if (features->type != INTUOSHT2)
762 			wacom->shared->stylus_in_proximity = true;
763 
764 		/* in Range while exiting */
765 		if (wacom->reporting_data) {
766 			input_report_key(input, BTN_TOUCH, 0);
767 			input_report_abs(input, ABS_PRESSURE, 0);
768 			input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
769 			return 2;
770 		}
771 		return 1;
772 	}
773 
774 	/* Exit report */
775 	if ((data[1] & 0xfe) == 0x80) {
776 		wacom->shared->stylus_in_proximity = false;
777 		wacom->reporting_data = false;
778 
779 		/* don't report exit if we don't know the ID */
780 		if (!wacom->id[idx])
781 			return 1;
782 
783 		wacom_exit_report(wacom);
784 		return 2;
785 	}
786 
787 	return 0;
788 }
789 
790 static inline bool report_touch_events(struct wacom_wac *wacom)
791 {
792 	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
793 }
794 
795 static inline bool delay_pen_events(struct wacom_wac *wacom)
796 {
797 	return (wacom->shared->touch_down && touch_arbitration);
798 }
799 
800 static int wacom_intuos_general(struct wacom_wac *wacom)
801 {
802 	struct wacom_features *features = &wacom->features;
803 	unsigned char *data = wacom->data;
804 	struct input_dev *input = wacom->pen_input;
805 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
806 	unsigned char type = (data[1] >> 1) & 0x0F;
807 	unsigned int x, y, distance, t;
808 
809 	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
810 		data[0] != WACOM_REPORT_INTUOS_PEN)
811 		return 0;
812 
813 	if (delay_pen_events(wacom))
814 		return 1;
815 
816 	/* don't report events if we don't know the tool ID */
817 	if (!wacom->id[idx]) {
818 		/* but reschedule a read of the current tool */
819 		wacom_intuos_schedule_prox_event(wacom);
820 		return 1;
821 	}
822 
823 	/*
824 	 * don't report events for invalid data
825 	 */
826 	/* older I4 styli don't work with new Cintiqs */
827 	if ((!((wacom->id[idx] >> 16) & 0x01) &&
828 			(features->type == WACOM_21UX2)) ||
829 	    /* Only large Intuos support Lense Cursor */
830 	    (wacom->tool[idx] == BTN_TOOL_LENS &&
831 		(features->type == INTUOS3 ||
832 		 features->type == INTUOS3S ||
833 		 features->type == INTUOS4 ||
834 		 features->type == INTUOS4S ||
835 		 features->type == INTUOS5 ||
836 		 features->type == INTUOS5S ||
837 		 features->type == INTUOSPM ||
838 		 features->type == INTUOSPS)) ||
839 	   /* Cintiq doesn't send data when RDY bit isn't set */
840 	   (features->type == CINTIQ && !(data[1] & 0x40)))
841 		return 1;
842 
843 	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
844 	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
845 	distance = data[9] >> 2;
846 	if (features->type < INTUOS3S) {
847 		x >>= 1;
848 		y >>= 1;
849 		distance >>= 1;
850 	}
851 	input_report_abs(input, ABS_X, x);
852 	input_report_abs(input, ABS_Y, y);
853 	input_report_abs(input, ABS_DISTANCE, distance);
854 
855 	switch (type) {
856 	case 0x00:
857 	case 0x01:
858 	case 0x02:
859 	case 0x03:
860 		/* general pen packet */
861 		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
862 		if (features->pressure_max < 2047)
863 			t >>= 1;
864 		input_report_abs(input, ABS_PRESSURE, t);
865 		if (features->type != INTUOSHT2) {
866 		    input_report_abs(input, ABS_TILT_X,
867 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
868 		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
869 		}
870 		input_report_key(input, BTN_STYLUS, data[1] & 2);
871 		input_report_key(input, BTN_STYLUS2, data[1] & 4);
872 		input_report_key(input, BTN_TOUCH, t > 10);
873 		break;
874 
875 	case 0x0a:
876 		/* airbrush second packet */
877 		input_report_abs(input, ABS_WHEEL,
878 				(data[6] << 2) | ((data[7] >> 6) & 3));
879 		input_report_abs(input, ABS_TILT_X,
880 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
881 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
882 		break;
883 
884 	case 0x05:
885 		/* Rotation packet */
886 		if (features->type >= INTUOS3S) {
887 			/* I3 marker pen rotation */
888 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
889 			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
890 				((t-1) / 2 + 450)) : (450 - t / 2) ;
891 			input_report_abs(input, ABS_Z, t);
892 		} else {
893 			/* 4D mouse 2nd packet */
894 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
895 			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
896 				((t - 1) / 2) : -t / 2);
897 		}
898 		break;
899 
900 	case 0x04:
901 		/* 4D mouse 1st packet */
902 		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
903 		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
904 		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
905 
906 		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
907 		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
908 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
909 		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
910 		break;
911 
912 	case 0x06:
913 		/* I4 mouse */
914 		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
915 		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
916 		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
917 		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
918 				 - ((data[7] & 0x40) >> 6));
919 		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
920 		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
921 
922 		input_report_abs(input, ABS_TILT_X,
923 			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
924 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
925 		break;
926 
927 	case 0x08:
928 		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
929 			/* 2D mouse packet */
930 			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
931 			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
932 			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
933 			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
934 					 - ((data[8] & 0x02) >> 1));
935 
936 			/* I3 2D mouse side buttons */
937 			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
938 				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
939 				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
940 			}
941 		}
942 		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
943 			/* Lens cursor packets */
944 			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
945 			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
946 			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
947 			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
948 			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
949 		}
950 		break;
951 
952 	case 0x07:
953 	case 0x09:
954 	case 0x0b:
955 	case 0x0c:
956 	case 0x0d:
957 	case 0x0e:
958 	case 0x0f:
959 		/* unhandled */
960 		break;
961 	}
962 
963 	input_report_abs(input, ABS_MISC,
964 			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
965 	input_report_key(input, wacom->tool[idx], 1);
966 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
967 	wacom->reporting_data = true;
968 	return 2;
969 }
970 
971 static int wacom_intuos_irq(struct wacom_wac *wacom)
972 {
973 	unsigned char *data = wacom->data;
974 	struct input_dev *input = wacom->pen_input;
975 	int result;
976 
977 	if (data[0] != WACOM_REPORT_PENABLED &&
978 	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
979 	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
980 	    data[0] != WACOM_REPORT_INTUOSPAD &&
981 	    data[0] != WACOM_REPORT_INTUOS_PEN &&
982 	    data[0] != WACOM_REPORT_CINTIQ &&
983 	    data[0] != WACOM_REPORT_CINTIQPAD &&
984 	    data[0] != WACOM_REPORT_INTUOS5PAD) {
985 		dev_dbg(input->dev.parent,
986 			"%s: received unknown report #%d\n", __func__, data[0]);
987                 return 0;
988 	}
989 
990 	/* process pad events */
991 	result = wacom_intuos_pad(wacom);
992 	if (result)
993 		return result;
994 
995 	/* process in/out prox events */
996 	result = wacom_intuos_inout(wacom);
997 	if (result)
998 		return result - 1;
999 
1000 	/* process general packets */
1001 	result = wacom_intuos_general(wacom);
1002 	if (result)
1003 		return result - 1;
1004 
1005 	return 0;
1006 }
1007 
1008 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1009 {
1010 	unsigned char *data = wacom_wac->data;
1011 	struct input_dev *input;
1012 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1013 	struct wacom_remote *remote = wacom->remote;
1014 	int bat_charging, bat_percent, touch_ring_mode;
1015 	__u32 serial;
1016 	int i, index = -1;
1017 	unsigned long flags;
1018 
1019 	if (data[0] != WACOM_REPORT_REMOTE) {
1020 		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1021 			__func__, data[0]);
1022 		return 0;
1023 	}
1024 
1025 	serial = data[3] + (data[4] << 8) + (data[5] << 16);
1026 	wacom_wac->id[0] = PAD_DEVICE_ID;
1027 
1028 	spin_lock_irqsave(&remote->remote_lock, flags);
1029 
1030 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1031 		if (remote->remotes[i].serial == serial) {
1032 			index = i;
1033 			break;
1034 		}
1035 	}
1036 
1037 	if (index < 0 || !remote->remotes[index].registered)
1038 		goto out;
1039 
1040 	input = remote->remotes[index].input;
1041 
1042 	input_report_key(input, BTN_0, (data[9] & 0x01));
1043 	input_report_key(input, BTN_1, (data[9] & 0x02));
1044 	input_report_key(input, BTN_2, (data[9] & 0x04));
1045 	input_report_key(input, BTN_3, (data[9] & 0x08));
1046 	input_report_key(input, BTN_4, (data[9] & 0x10));
1047 	input_report_key(input, BTN_5, (data[9] & 0x20));
1048 	input_report_key(input, BTN_6, (data[9] & 0x40));
1049 	input_report_key(input, BTN_7, (data[9] & 0x80));
1050 
1051 	input_report_key(input, BTN_8, (data[10] & 0x01));
1052 	input_report_key(input, BTN_9, (data[10] & 0x02));
1053 	input_report_key(input, BTN_A, (data[10] & 0x04));
1054 	input_report_key(input, BTN_B, (data[10] & 0x08));
1055 	input_report_key(input, BTN_C, (data[10] & 0x10));
1056 	input_report_key(input, BTN_X, (data[10] & 0x20));
1057 	input_report_key(input, BTN_Y, (data[10] & 0x40));
1058 	input_report_key(input, BTN_Z, (data[10] & 0x80));
1059 
1060 	input_report_key(input, BTN_BASE, (data[11] & 0x01));
1061 	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1062 
1063 	if (data[12] & 0x80)
1064 		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f));
1065 	else
1066 		input_report_abs(input, ABS_WHEEL, 0);
1067 
1068 	bat_percent = data[7] & 0x7f;
1069 	bat_charging = !!(data[7] & 0x80);
1070 
1071 	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1072 		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1073 	else
1074 		input_report_abs(input, ABS_MISC, 0);
1075 
1076 	input_event(input, EV_MSC, MSC_SERIAL, serial);
1077 
1078 	input_sync(input);
1079 
1080 	/*Which mode select (LED light) is currently on?*/
1081 	touch_ring_mode = (data[11] & 0xC0) >> 6;
1082 
1083 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1084 		if (remote->remotes[i].serial == serial)
1085 			wacom->led.groups[i].select = touch_ring_mode;
1086 	}
1087 
1088 	__wacom_notify_battery(&remote->remotes[index].battery,
1089 				WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1090 				bat_charging, 1, bat_charging);
1091 
1092 out:
1093 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1094 	return 0;
1095 }
1096 
1097 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1098 {
1099 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1100 	unsigned char *data = wacom_wac->data;
1101 	struct wacom_remote *remote = wacom->remote;
1102 	struct wacom_remote_data remote_data;
1103 	unsigned long flags;
1104 	int i, ret;
1105 
1106 	if (data[0] != WACOM_REPORT_DEVICE_LIST)
1107 		return;
1108 
1109 	memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1110 
1111 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1112 		int j = i * 6;
1113 		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1114 		bool connected = data[j+2];
1115 
1116 		remote_data.remote[i].serial = serial;
1117 		remote_data.remote[i].connected = connected;
1118 	}
1119 
1120 	spin_lock_irqsave(&remote->remote_lock, flags);
1121 
1122 	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1123 	if (ret != sizeof(remote_data)) {
1124 		spin_unlock_irqrestore(&remote->remote_lock, flags);
1125 		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1126 		return;
1127 	}
1128 
1129 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1130 
1131 	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1132 }
1133 
1134 static int int_dist(int x1, int y1, int x2, int y2)
1135 {
1136 	int x = x2 - x1;
1137 	int y = y2 - y1;
1138 
1139 	return int_sqrt(x*x + y*y);
1140 }
1141 
1142 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1143 		unsigned char *data)
1144 {
1145 	memcpy(wacom->data, data, 10);
1146 	wacom_intuos_irq(wacom);
1147 
1148 	input_sync(wacom->pen_input);
1149 	if (wacom->pad_input)
1150 		input_sync(wacom->pad_input);
1151 }
1152 
1153 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1154 {
1155 	unsigned char data[WACOM_PKGLEN_MAX];
1156 	int i = 1;
1157 	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1158 
1159 	memcpy(data, wacom->data, len);
1160 
1161 	switch (data[0]) {
1162 	case 0x04:
1163 		wacom_intuos_bt_process_data(wacom, data + i);
1164 		i += 10;
1165 		/* fall through */
1166 	case 0x03:
1167 		wacom_intuos_bt_process_data(wacom, data + i);
1168 		i += 10;
1169 		wacom_intuos_bt_process_data(wacom, data + i);
1170 		i += 10;
1171 		power_raw = data[i];
1172 		bat_charging = (power_raw & 0x08) ? 1 : 0;
1173 		ps_connected = (power_raw & 0x10) ? 1 : 0;
1174 		battery_capacity = batcap_i4[power_raw & 0x07];
1175 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1176 				     battery_capacity, bat_charging,
1177 				     battery_capacity || bat_charging,
1178 				     ps_connected);
1179 		break;
1180 	default:
1181 		dev_dbg(wacom->pen_input->dev.parent,
1182 				"Unknown report: %d,%d size:%zu\n",
1183 				data[0], data[1], len);
1184 		return 0;
1185 	}
1186 	return 0;
1187 }
1188 
1189 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1190 {
1191 	struct input_dev *input = wacom->touch_input;
1192 	unsigned touch_max = wacom->features.touch_max;
1193 	int count = 0;
1194 	int i;
1195 
1196 	if (!touch_max)
1197 		return 0;
1198 
1199 	if (touch_max == 1)
1200 		return test_bit(BTN_TOUCH, input->key) &&
1201 			report_touch_events(wacom);
1202 
1203 	for (i = 0; i < input->mt->num_slots; i++) {
1204 		struct input_mt_slot *ps = &input->mt->slots[i];
1205 		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1206 		if (id >= 0)
1207 			count++;
1208 	}
1209 
1210 	return count;
1211 }
1212 
1213 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1214 {
1215 	int pen_frame_len, pen_frames;
1216 
1217 	struct input_dev *pen_input = wacom->pen_input;
1218 	unsigned char *data = wacom->data;
1219 	int i;
1220 
1221 	if (wacom->features.type == INTUOSP2_BT) {
1222 		wacom->serial[0] = get_unaligned_le64(&data[99]);
1223 		wacom->id[0]     = get_unaligned_le16(&data[107]);
1224 		pen_frame_len = 14;
1225 		pen_frames = 7;
1226 	} else {
1227 		wacom->serial[0] = get_unaligned_le64(&data[33]);
1228 		wacom->id[0]     = get_unaligned_le16(&data[41]);
1229 		pen_frame_len = 8;
1230 		pen_frames = 4;
1231 	}
1232 
1233 	if (wacom->serial[0] >> 52 == 1) {
1234 		/* Add back in missing bits of ID for non-USI pens */
1235 		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1236 	}
1237 	wacom->tool[0]   = wacom_intuos_get_tool_type(wacom_intuos_id_mangle(wacom->id[0]));
1238 
1239 	for (i = 0; i < pen_frames; i++) {
1240 		unsigned char *frame = &data[i*pen_frame_len + 1];
1241 		bool valid = frame[0] & 0x80;
1242 		bool prox = frame[0] & 0x40;
1243 		bool range = frame[0] & 0x20;
1244 
1245 		if (!valid)
1246 			continue;
1247 
1248 		if (!prox) {
1249 			wacom->shared->stylus_in_proximity = false;
1250 			wacom_exit_report(wacom);
1251 			input_sync(pen_input);
1252 			return;
1253 		}
1254 		if (range) {
1255 			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1256 			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1257 
1258 			if (wacom->features.type == INTUOSP2_BT) {
1259 				/* Fix rotation alignment: userspace expects zero at left */
1260 				int16_t rotation =
1261 					(int16_t)get_unaligned_le16(&frame[9]);
1262 				rotation += 1800/4;
1263 
1264 				if (rotation > 899)
1265 					rotation -= 1800;
1266 
1267 				input_report_abs(pen_input, ABS_TILT_X,
1268 						 (char)frame[7]);
1269 				input_report_abs(pen_input, ABS_TILT_Y,
1270 						 (char)frame[8]);
1271 				input_report_abs(pen_input, ABS_Z, rotation);
1272 				input_report_abs(pen_input, ABS_WHEEL,
1273 						 get_unaligned_le16(&frame[11]));
1274 			}
1275 		}
1276 		input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1277 		if (wacom->features.type == INTUOSP2_BT) {
1278 			input_report_abs(pen_input, ABS_DISTANCE,
1279 					 range ? frame[13] : wacom->features.distance_max);
1280 		} else {
1281 			input_report_abs(pen_input, ABS_DISTANCE,
1282 					 range ? frame[7] : wacom->features.distance_max);
1283 		}
1284 
1285 		input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x01);
1286 		input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1287 		input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1288 
1289 		input_report_key(pen_input, wacom->tool[0], prox);
1290 		input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1291 		input_report_abs(pen_input, ABS_MISC,
1292 				 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1293 
1294 		wacom->shared->stylus_in_proximity = prox;
1295 
1296 		input_sync(pen_input);
1297 	}
1298 }
1299 
1300 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1301 {
1302 	const int finger_touch_len = 8;
1303 	const int finger_frames = 4;
1304 	const int finger_frame_len = 43;
1305 
1306 	struct input_dev *touch_input = wacom->touch_input;
1307 	unsigned char *data = wacom->data;
1308 	int num_contacts_left = 5;
1309 	int i, j;
1310 
1311 	for (i = 0; i < finger_frames; i++) {
1312 		unsigned char *frame = &data[i*finger_frame_len + 109];
1313 		int current_num_contacts = frame[0] & 0x7F;
1314 		int contacts_to_send;
1315 
1316 		if (!(frame[0] & 0x80))
1317 			continue;
1318 
1319 		/*
1320 		 * First packet resets the counter since only the first
1321 		 * packet in series will have non-zero current_num_contacts.
1322 		 */
1323 		if (current_num_contacts)
1324 			wacom->num_contacts_left = current_num_contacts;
1325 
1326 		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1327 
1328 		for (j = 0; j < contacts_to_send; j++) {
1329 			unsigned char *touch = &frame[j*finger_touch_len + 1];
1330 			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1331 			int x = get_unaligned_le16(&touch[2]);
1332 			int y = get_unaligned_le16(&touch[4]);
1333 			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1334 			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1335 
1336 			if (slot < 0)
1337 				continue;
1338 
1339 			input_mt_slot(touch_input, slot);
1340 			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1341 			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1342 			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1343 			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1344 			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1345 			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1346 		}
1347 
1348 		input_mt_sync_frame(touch_input);
1349 
1350 		wacom->num_contacts_left -= contacts_to_send;
1351 		if (wacom->num_contacts_left <= 0) {
1352 			wacom->num_contacts_left = 0;
1353 			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1354 		}
1355 	}
1356 
1357 	input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1358 	input_sync(touch_input);
1359 }
1360 
1361 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1362 {
1363 	struct input_dev *pad_input = wacom->pad_input;
1364 	unsigned char *data = wacom->data;
1365 
1366 	int buttons = (data[282] << 1) | ((data[281] >> 6) & 0x01);
1367 	int ring = data[285] & 0x7F;
1368 	bool ringstatus = data[285] & 0x80;
1369 	bool prox = buttons || ringstatus;
1370 
1371 	/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1372 	ring = 71 - ring;
1373 	ring += 3*72/16;
1374 	if (ring > 71)
1375 		ring -= 72;
1376 
1377 	wacom_report_numbered_buttons(pad_input, 9, buttons);
1378 
1379 	input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1380 
1381 	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1382 	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1383 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1384 
1385 	input_sync(pad_input);
1386 }
1387 
1388 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1389 {
1390 	unsigned char *data = wacom->data;
1391 
1392 	bool chg = data[284] & 0x80;
1393 	int battery_status = data[284] & 0x7F;
1394 
1395 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1396 			     battery_status, chg, 1, chg);
1397 }
1398 
1399 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1400 {
1401 	struct input_dev *pad_input = wacom->pad_input;
1402 	unsigned char *data = wacom->data;
1403 
1404 	int buttons = data[44];
1405 
1406 	wacom_report_numbered_buttons(pad_input, 4, buttons);
1407 
1408 	input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1409 	input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1410 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1411 
1412 	input_sync(pad_input);
1413 }
1414 
1415 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1416 {
1417 	unsigned char *data = wacom->data;
1418 
1419 	bool chg = data[45] & 0x80;
1420 	int battery_status = data[45] & 0x7F;
1421 
1422 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1423 			     battery_status, chg, 1, chg);
1424 }
1425 
1426 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1427 {
1428 	unsigned char *data = wacom->data;
1429 
1430 	if (data[0] != 0x80 && data[0] != 0x81) {
1431 		dev_dbg(wacom->pen_input->dev.parent,
1432 			"%s: received unknown report #%d\n", __func__, data[0]);
1433 		return 0;
1434 	}
1435 
1436 	wacom_intuos_pro2_bt_pen(wacom);
1437 	if (wacom->features.type == INTUOSP2_BT) {
1438 		wacom_intuos_pro2_bt_touch(wacom);
1439 		wacom_intuos_pro2_bt_pad(wacom);
1440 		wacom_intuos_pro2_bt_battery(wacom);
1441 	} else {
1442 		wacom_intuos_gen3_bt_pad(wacom);
1443 		wacom_intuos_gen3_bt_battery(wacom);
1444 	}
1445 	return 0;
1446 }
1447 
1448 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1449 {
1450 	struct input_dev *input = wacom->touch_input;
1451 	unsigned char *data = wacom->data;
1452 	int i;
1453 	int current_num_contacts = data[61];
1454 	int contacts_to_send = 0;
1455 	int num_contacts_left = 4; /* maximum contacts per packet */
1456 	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1457 	int y_offset = 2;
1458 
1459 	if (wacom->features.type == WACOM_27QHDT) {
1460 		current_num_contacts = data[63];
1461 		num_contacts_left = 10;
1462 		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1463 		y_offset = 0;
1464 	}
1465 
1466 	/*
1467 	 * First packet resets the counter since only the first
1468 	 * packet in series will have non-zero current_num_contacts.
1469 	 */
1470 	if (current_num_contacts)
1471 		wacom->num_contacts_left = current_num_contacts;
1472 
1473 	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1474 
1475 	for (i = 0; i < contacts_to_send; i++) {
1476 		int offset = (byte_per_packet * i) + 1;
1477 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1478 		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1479 
1480 		if (slot < 0)
1481 			continue;
1482 		input_mt_slot(input, slot);
1483 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1484 
1485 		if (touch) {
1486 			int t_x = get_unaligned_le16(&data[offset + 2]);
1487 			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1488 
1489 			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1490 			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1491 
1492 			if (wacom->features.type != WACOM_27QHDT) {
1493 				int c_x = get_unaligned_le16(&data[offset + 4]);
1494 				int c_y = get_unaligned_le16(&data[offset + 8]);
1495 				int w = get_unaligned_le16(&data[offset + 10]);
1496 				int h = get_unaligned_le16(&data[offset + 12]);
1497 
1498 				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1499 				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1500 						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1501 				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1502 				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1503 			}
1504 		}
1505 	}
1506 	input_mt_sync_frame(input);
1507 
1508 	wacom->num_contacts_left -= contacts_to_send;
1509 	if (wacom->num_contacts_left <= 0) {
1510 		wacom->num_contacts_left = 0;
1511 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1512 	}
1513 	return 1;
1514 }
1515 
1516 static int wacom_mt_touch(struct wacom_wac *wacom)
1517 {
1518 	struct input_dev *input = wacom->touch_input;
1519 	unsigned char *data = wacom->data;
1520 	int i;
1521 	int current_num_contacts = data[2];
1522 	int contacts_to_send = 0;
1523 	int x_offset = 0;
1524 
1525 	/* MTTPC does not support Height and Width */
1526 	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1527 		x_offset = -4;
1528 
1529 	/*
1530 	 * First packet resets the counter since only the first
1531 	 * packet in series will have non-zero current_num_contacts.
1532 	 */
1533 	if (current_num_contacts)
1534 		wacom->num_contacts_left = current_num_contacts;
1535 
1536 	/* There are at most 5 contacts per packet */
1537 	contacts_to_send = min(5, wacom->num_contacts_left);
1538 
1539 	for (i = 0; i < contacts_to_send; i++) {
1540 		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1541 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1542 		int id = get_unaligned_le16(&data[offset + 1]);
1543 		int slot = input_mt_get_slot_by_key(input, id);
1544 
1545 		if (slot < 0)
1546 			continue;
1547 
1548 		input_mt_slot(input, slot);
1549 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1550 		if (touch) {
1551 			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1552 			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1553 			input_report_abs(input, ABS_MT_POSITION_X, x);
1554 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1555 		}
1556 	}
1557 	input_mt_sync_frame(input);
1558 
1559 	wacom->num_contacts_left -= contacts_to_send;
1560 	if (wacom->num_contacts_left <= 0) {
1561 		wacom->num_contacts_left = 0;
1562 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1563 	}
1564 	return 1;
1565 }
1566 
1567 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1568 {
1569 	struct input_dev *input = wacom->touch_input;
1570 	unsigned char *data = wacom->data;
1571 	int i;
1572 
1573 	for (i = 0; i < 2; i++) {
1574 		int p = data[1] & (1 << i);
1575 		bool touch = p && report_touch_events(wacom);
1576 
1577 		input_mt_slot(input, i);
1578 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1579 		if (touch) {
1580 			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1581 			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1582 
1583 			input_report_abs(input, ABS_MT_POSITION_X, x);
1584 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1585 		}
1586 	}
1587 	input_mt_sync_frame(input);
1588 
1589 	/* keep touch state for pen event */
1590 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1591 
1592 	return 1;
1593 }
1594 
1595 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1596 {
1597 	unsigned char *data = wacom->data;
1598 	struct input_dev *input = wacom->touch_input;
1599 	bool prox = report_touch_events(wacom);
1600 	int x = 0, y = 0;
1601 
1602 	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1603 		return 0;
1604 
1605 	if (len == WACOM_PKGLEN_TPC1FG) {
1606 		prox = prox && (data[0] & 0x01);
1607 		x = get_unaligned_le16(&data[1]);
1608 		y = get_unaligned_le16(&data[3]);
1609 	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1610 		prox = prox && (data[2] & 0x01);
1611 		x = get_unaligned_le16(&data[3]);
1612 		y = get_unaligned_le16(&data[5]);
1613 	} else {
1614 		prox = prox && (data[1] & 0x01);
1615 		x = le16_to_cpup((__le16 *)&data[2]);
1616 		y = le16_to_cpup((__le16 *)&data[4]);
1617 	}
1618 
1619 	if (prox) {
1620 		input_report_abs(input, ABS_X, x);
1621 		input_report_abs(input, ABS_Y, y);
1622 	}
1623 	input_report_key(input, BTN_TOUCH, prox);
1624 
1625 	/* keep touch state for pen events */
1626 	wacom->shared->touch_down = prox;
1627 
1628 	return 1;
1629 }
1630 
1631 static int wacom_tpc_pen(struct wacom_wac *wacom)
1632 {
1633 	unsigned char *data = wacom->data;
1634 	struct input_dev *input = wacom->pen_input;
1635 	bool prox = data[1] & 0x20;
1636 
1637 	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1638 		/* Going into proximity select tool */
1639 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1640 
1641 	/* keep pen state for touch events */
1642 	wacom->shared->stylus_in_proximity = prox;
1643 
1644 	/* send pen events only when touch is up or forced out
1645 	 * or touch arbitration is off
1646 	 */
1647 	if (!delay_pen_events(wacom)) {
1648 		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1649 		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1650 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1651 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1652 		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1653 		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1654 		input_report_key(input, wacom->tool[0], prox);
1655 		return 1;
1656 	}
1657 
1658 	return 0;
1659 }
1660 
1661 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1662 {
1663 	unsigned char *data = wacom->data;
1664 
1665 	if (wacom->pen_input) {
1666 		dev_dbg(wacom->pen_input->dev.parent,
1667 			"%s: received report #%d\n", __func__, data[0]);
1668 
1669 		if (len == WACOM_PKGLEN_PENABLED ||
1670 		    data[0] == WACOM_REPORT_PENABLED)
1671 			return wacom_tpc_pen(wacom);
1672 	}
1673 	else if (wacom->touch_input) {
1674 		dev_dbg(wacom->touch_input->dev.parent,
1675 			"%s: received report #%d\n", __func__, data[0]);
1676 
1677 		switch (len) {
1678 		case WACOM_PKGLEN_TPC1FG:
1679 			return wacom_tpc_single_touch(wacom, len);
1680 
1681 		case WACOM_PKGLEN_TPC2FG:
1682 			return wacom_tpc_mt_touch(wacom);
1683 
1684 		default:
1685 			switch (data[0]) {
1686 			case WACOM_REPORT_TPC1FG:
1687 			case WACOM_REPORT_TPCHID:
1688 			case WACOM_REPORT_TPCST:
1689 			case WACOM_REPORT_TPC1FGE:
1690 				return wacom_tpc_single_touch(wacom, len);
1691 
1692 			case WACOM_REPORT_TPCMT:
1693 			case WACOM_REPORT_TPCMT2:
1694 				return wacom_mt_touch(wacom);
1695 
1696 			}
1697 		}
1698 	}
1699 
1700 	return 0;
1701 }
1702 
1703 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1704 				 int value, int num, int denom)
1705 {
1706 	struct input_absinfo *abs = &input->absinfo[usage->code];
1707 	int range = (abs->maximum - abs->minimum + 1);
1708 
1709 	value += num*range/denom;
1710 	if (value > abs->maximum)
1711 		value -= range;
1712 	else if (value < abs->minimum)
1713 		value += range;
1714 	return value;
1715 }
1716 
1717 int wacom_equivalent_usage(int usage)
1718 {
1719 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1720 		int subpage = (usage & 0xFF00) << 8;
1721 		int subusage = (usage & 0xFF);
1722 
1723 		if (subpage == WACOM_HID_SP_PAD ||
1724 		    subpage == WACOM_HID_SP_BUTTON ||
1725 		    subpage == WACOM_HID_SP_DIGITIZER ||
1726 		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1727 		    usage == WACOM_HID_WD_SENSE ||
1728 		    usage == WACOM_HID_WD_SERIALHI ||
1729 		    usage == WACOM_HID_WD_TOOLTYPE ||
1730 		    usage == WACOM_HID_WD_DISTANCE ||
1731 		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1732 		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1733 		    usage == WACOM_HID_WD_TOUCHRING ||
1734 		    usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1735 		    usage == WACOM_HID_WD_REPORT_VALID) {
1736 			return usage;
1737 		}
1738 
1739 		if (subpage == HID_UP_UNDEFINED)
1740 			subpage = HID_UP_DIGITIZER;
1741 
1742 		return subpage | subusage;
1743 	}
1744 
1745 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1746 		int subpage = (usage & 0xFF00) << 8;
1747 		int subusage = (usage & 0xFF);
1748 
1749 		if (subpage == HID_UP_UNDEFINED)
1750 			subpage = WACOM_HID_SP_DIGITIZER;
1751 
1752 		return subpage | subusage;
1753 	}
1754 
1755 	return usage;
1756 }
1757 
1758 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1759 		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1760 {
1761 	struct wacom *wacom = input_get_drvdata(input);
1762 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1763 	struct wacom_features *features = &wacom_wac->features;
1764 	int fmin = field->logical_minimum;
1765 	int fmax = field->logical_maximum;
1766 	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1767 	int resolution_code = code;
1768 
1769 	if (equivalent_usage == HID_DG_TWIST) {
1770 		resolution_code = ABS_RZ;
1771 	}
1772 
1773 	if (equivalent_usage == HID_GD_X) {
1774 		fmin += features->offset_left;
1775 		fmax -= features->offset_right;
1776 	}
1777 	if (equivalent_usage == HID_GD_Y) {
1778 		fmin += features->offset_top;
1779 		fmax -= features->offset_bottom;
1780 	}
1781 
1782 	usage->type = type;
1783 	usage->code = code;
1784 
1785 	set_bit(type, input->evbit);
1786 
1787 	switch (type) {
1788 	case EV_ABS:
1789 		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1790 		input_abs_set_res(input, code,
1791 				  hidinput_calc_abs_res(field, resolution_code));
1792 		break;
1793 	case EV_KEY:
1794 		input_set_capability(input, EV_KEY, code);
1795 		break;
1796 	case EV_MSC:
1797 		input_set_capability(input, EV_MSC, code);
1798 		break;
1799 	case EV_SW:
1800 		input_set_capability(input, EV_SW, code);
1801 		break;
1802 	}
1803 }
1804 
1805 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1806 		struct hid_field *field, struct hid_usage *usage)
1807 {
1808 	struct wacom *wacom = hid_get_drvdata(hdev);
1809 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1810 	struct wacom_features *features = &wacom_wac->features;
1811 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1812 
1813 	switch (equivalent_usage) {
1814 	case HID_DG_BATTERYSTRENGTH:
1815 	case WACOM_HID_WD_BATTERY_LEVEL:
1816 	case WACOM_HID_WD_BATTERY_CHARGING:
1817 		features->quirks |= WACOM_QUIRK_BATTERY;
1818 		break;
1819 	}
1820 }
1821 
1822 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1823 		struct hid_usage *usage, __s32 value)
1824 {
1825 	struct wacom *wacom = hid_get_drvdata(hdev);
1826 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1827 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1828 
1829 	switch (equivalent_usage) {
1830 	case HID_DG_BATTERYSTRENGTH:
1831 		if (value == 0) {
1832 			wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1833 		}
1834 		else {
1835 			value = value * 100 / (field->logical_maximum - field->logical_minimum);
1836 			wacom_wac->hid_data.battery_capacity = value;
1837 			wacom_wac->hid_data.bat_connected = 1;
1838 			wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1839 		}
1840 		break;
1841 	case WACOM_HID_WD_BATTERY_LEVEL:
1842 		value = value * 100 / (field->logical_maximum - field->logical_minimum);
1843 		wacom_wac->hid_data.battery_capacity = value;
1844 		wacom_wac->hid_data.bat_connected = 1;
1845 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1846 		break;
1847 	case WACOM_HID_WD_BATTERY_CHARGING:
1848 		wacom_wac->hid_data.bat_charging = value;
1849 		wacom_wac->hid_data.ps_connected = value;
1850 		wacom_wac->hid_data.bat_connected = 1;
1851 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1852 		break;
1853 	}
1854 }
1855 
1856 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1857 		struct hid_report *report)
1858 {
1859 	return;
1860 }
1861 
1862 static void wacom_wac_battery_report(struct hid_device *hdev,
1863 		struct hid_report *report)
1864 {
1865 	struct wacom *wacom = hid_get_drvdata(hdev);
1866 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1867 	struct wacom_features *features = &wacom_wac->features;
1868 
1869 	if (features->quirks & WACOM_QUIRK_BATTERY) {
1870 		int status = wacom_wac->hid_data.bat_status;
1871 		int capacity = wacom_wac->hid_data.battery_capacity;
1872 		bool charging = wacom_wac->hid_data.bat_charging;
1873 		bool connected = wacom_wac->hid_data.bat_connected;
1874 		bool powered = wacom_wac->hid_data.ps_connected;
1875 
1876 		wacom_notify_battery(wacom_wac, status, capacity, charging,
1877 				     connected, powered);
1878 	}
1879 }
1880 
1881 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1882 		struct hid_field *field, struct hid_usage *usage)
1883 {
1884 	struct wacom *wacom = hid_get_drvdata(hdev);
1885 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1886 	struct wacom_features *features = &wacom_wac->features;
1887 	struct input_dev *input = wacom_wac->pad_input;
1888 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1889 
1890 	switch (equivalent_usage) {
1891 	case WACOM_HID_WD_ACCELEROMETER_X:
1892 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1893 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1894 		features->device_type |= WACOM_DEVICETYPE_PAD;
1895 		break;
1896 	case WACOM_HID_WD_ACCELEROMETER_Y:
1897 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1898 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1899 		features->device_type |= WACOM_DEVICETYPE_PAD;
1900 		break;
1901 	case WACOM_HID_WD_ACCELEROMETER_Z:
1902 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1903 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1904 		features->device_type |= WACOM_DEVICETYPE_PAD;
1905 		break;
1906 	case WACOM_HID_WD_BUTTONCENTER:
1907 		wacom->generic_has_leds = true;
1908 		/* fall through */
1909 	case WACOM_HID_WD_BUTTONHOME:
1910 	case WACOM_HID_WD_BUTTONUP:
1911 	case WACOM_HID_WD_BUTTONDOWN:
1912 	case WACOM_HID_WD_BUTTONLEFT:
1913 	case WACOM_HID_WD_BUTTONRIGHT:
1914 		wacom_map_usage(input, usage, field, EV_KEY,
1915 				wacom_numbered_button_to_key(features->numbered_buttons),
1916 				0);
1917 		features->numbered_buttons++;
1918 		features->device_type |= WACOM_DEVICETYPE_PAD;
1919 		break;
1920 	case WACOM_HID_WD_TOUCHONOFF:
1921 	case WACOM_HID_WD_MUTE_DEVICE:
1922 		/*
1923 		 * This usage, which is used to mute touch events, comes
1924 		 * from the pad packet, but is reported on the touch
1925 		 * interface. Because the touch interface may not have
1926 		 * been created yet, we cannot call wacom_map_usage(). In
1927 		 * order to process this usage when we receive it, we set
1928 		 * the usage type and code directly.
1929 		 */
1930 		wacom_wac->has_mute_touch_switch = true;
1931 		usage->type = EV_SW;
1932 		usage->code = SW_MUTE_DEVICE;
1933 		features->device_type |= WACOM_DEVICETYPE_PAD;
1934 		break;
1935 	case WACOM_HID_WD_TOUCHSTRIP:
1936 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
1937 		features->device_type |= WACOM_DEVICETYPE_PAD;
1938 		break;
1939 	case WACOM_HID_WD_TOUCHSTRIP2:
1940 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
1941 		features->device_type |= WACOM_DEVICETYPE_PAD;
1942 		break;
1943 	case WACOM_HID_WD_TOUCHRING:
1944 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
1945 		features->device_type |= WACOM_DEVICETYPE_PAD;
1946 		break;
1947 	case WACOM_HID_WD_TOUCHRINGSTATUS:
1948 		/*
1949 		 * Only set up type/code association. Completely mapping
1950 		 * this usage may overwrite the axis resolution and range.
1951 		 */
1952 		usage->type = EV_ABS;
1953 		usage->code = ABS_WHEEL;
1954 		set_bit(EV_ABS, input->evbit);
1955 		features->device_type |= WACOM_DEVICETYPE_PAD;
1956 		break;
1957 	case WACOM_HID_WD_BUTTONCONFIG:
1958 		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
1959 		features->device_type |= WACOM_DEVICETYPE_PAD;
1960 		break;
1961 	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
1962 		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
1963 		features->device_type |= WACOM_DEVICETYPE_PAD;
1964 		break;
1965 	case WACOM_HID_WD_CONTROLPANEL:
1966 		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
1967 		features->device_type |= WACOM_DEVICETYPE_PAD;
1968 		break;
1969 	case WACOM_HID_WD_MODE_CHANGE:
1970 		/* do not overwrite previous data */
1971 		if (!wacom_wac->has_mode_change) {
1972 			wacom_wac->has_mode_change = true;
1973 			wacom_wac->is_direct_mode = true;
1974 		}
1975 		features->device_type |= WACOM_DEVICETYPE_PAD;
1976 		break;
1977 	}
1978 
1979 	switch (equivalent_usage & 0xfffffff0) {
1980 	case WACOM_HID_WD_EXPRESSKEY00:
1981 		wacom_map_usage(input, usage, field, EV_KEY,
1982 				wacom_numbered_button_to_key(features->numbered_buttons),
1983 				0);
1984 		features->numbered_buttons++;
1985 		features->device_type |= WACOM_DEVICETYPE_PAD;
1986 		break;
1987 	}
1988 }
1989 
1990 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
1991 		struct hid_usage *usage, __s32 value)
1992 {
1993 	struct wacom *wacom = hid_get_drvdata(hdev);
1994 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1995 	struct input_dev *input = wacom_wac->pad_input;
1996 	struct wacom_features *features = &wacom_wac->features;
1997 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1998 	int i;
1999 	bool do_report = false;
2000 
2001 	/*
2002 	 * Avoid reporting this event and setting inrange_state if this usage
2003 	 * hasn't been mapped.
2004 	 */
2005 	if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2006 		return;
2007 
2008 	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2009 		if (usage->hid != WACOM_HID_WD_TOUCHRING)
2010 			wacom_wac->hid_data.inrange_state |= value;
2011 	}
2012 
2013 	switch (equivalent_usage) {
2014 	case WACOM_HID_WD_TOUCHRING:
2015 		/*
2016 		 * Userspace expects touchrings to increase in value with
2017 		 * clockwise gestures and have their zero point at the
2018 		 * tablet's left. HID events "should" be clockwise-
2019 		 * increasing and zero at top, though the MobileStudio
2020 		 * Pro and 2nd-gen Intuos Pro don't do this...
2021 		 */
2022 		if (hdev->vendor == 0x56a &&
2023 		    (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2024 		     hdev->product == 0x357 || hdev->product == 0x358)) { /* Intuos Pro 2 */
2025 			value = (field->logical_maximum - value);
2026 
2027 			if (hdev->product == 0x357 || hdev->product == 0x358)
2028 				value = wacom_offset_rotation(input, usage, value, 3, 16);
2029 			else if (hdev->product == 0x34d || hdev->product == 0x34e)
2030 				value = wacom_offset_rotation(input, usage, value, 1, 2);
2031 		}
2032 		else {
2033 			value = wacom_offset_rotation(input, usage, value, 1, 4);
2034 		}
2035 		do_report = true;
2036 		break;
2037 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2038 		if (!value)
2039 			input_event(input, usage->type, usage->code, 0);
2040 		break;
2041 
2042 	case WACOM_HID_WD_MUTE_DEVICE:
2043 	case WACOM_HID_WD_TOUCHONOFF:
2044 		if (wacom_wac->shared->touch_input) {
2045 			bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2046 
2047 			if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2048 				*is_touch_on = !(*is_touch_on);
2049 			else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2050 				*is_touch_on = value;
2051 
2052 			input_report_switch(wacom_wac->shared->touch_input,
2053 					    SW_MUTE_DEVICE, !(*is_touch_on));
2054 			input_sync(wacom_wac->shared->touch_input);
2055 		}
2056 		break;
2057 
2058 	case WACOM_HID_WD_MODE_CHANGE:
2059 		if (wacom_wac->is_direct_mode != value) {
2060 			wacom_wac->is_direct_mode = value;
2061 			wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2062 		}
2063 		break;
2064 
2065 	case WACOM_HID_WD_BUTTONCENTER:
2066 		for (i = 0; i < wacom->led.count; i++)
2067 			wacom_update_led(wacom, features->numbered_buttons,
2068 					 value, i);
2069 		 /* fall through*/
2070 	default:
2071 		do_report = true;
2072 		break;
2073 	}
2074 
2075 	if (do_report) {
2076 		input_event(input, usage->type, usage->code, value);
2077 		if (value)
2078 			wacom_wac->hid_data.pad_input_event_flag = true;
2079 	}
2080 }
2081 
2082 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2083 		struct hid_report *report)
2084 {
2085 	struct wacom *wacom = hid_get_drvdata(hdev);
2086 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2087 
2088 	wacom_wac->hid_data.inrange_state = 0;
2089 }
2090 
2091 static void wacom_wac_pad_report(struct hid_device *hdev,
2092 		struct hid_report *report, struct hid_field *field)
2093 {
2094 	struct wacom *wacom = hid_get_drvdata(hdev);
2095 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2096 	struct input_dev *input = wacom_wac->pad_input;
2097 	bool active = wacom_wac->hid_data.inrange_state != 0;
2098 
2099 	/* report prox for expresskey events */
2100 	if ((wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) &&
2101 	    wacom_wac->hid_data.pad_input_event_flag) {
2102 		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2103 		input_sync(input);
2104 		if (!active)
2105 			wacom_wac->hid_data.pad_input_event_flag = false;
2106 	}
2107 
2108 }
2109 
2110 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2111 		struct hid_field *field, struct hid_usage *usage)
2112 {
2113 	struct wacom *wacom = hid_get_drvdata(hdev);
2114 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2115 	struct wacom_features *features = &wacom_wac->features;
2116 	struct input_dev *input = wacom_wac->pen_input;
2117 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2118 
2119 	switch (equivalent_usage) {
2120 	case HID_GD_X:
2121 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2122 		break;
2123 	case HID_GD_Y:
2124 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2125 		break;
2126 	case WACOM_HID_WD_DISTANCE:
2127 	case HID_GD_Z:
2128 		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2129 		break;
2130 	case HID_DG_TIPPRESSURE:
2131 		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2132 		break;
2133 	case HID_DG_INRANGE:
2134 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2135 		break;
2136 	case HID_DG_INVERT:
2137 		wacom_map_usage(input, usage, field, EV_KEY,
2138 				BTN_TOOL_RUBBER, 0);
2139 		break;
2140 	case HID_DG_TILT_X:
2141 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2142 		break;
2143 	case HID_DG_TILT_Y:
2144 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2145 		break;
2146 	case HID_DG_TWIST:
2147 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2148 		break;
2149 	case HID_DG_ERASER:
2150 	case HID_DG_TIPSWITCH:
2151 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2152 		break;
2153 	case HID_DG_BARRELSWITCH:
2154 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2155 		break;
2156 	case HID_DG_BARRELSWITCH2:
2157 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2158 		break;
2159 	case HID_DG_TOOLSERIALNUMBER:
2160 		features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2161 		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2162 
2163 		/* Adjust AES usages to match modern convention */
2164 		if (usage->hid == WACOM_HID_WT_SERIALNUMBER && field->report_size == 16) {
2165 			if (field->index + 2 < field->report->maxfield) {
2166 				struct hid_field *a = field->report->field[field->index + 1];
2167 				struct hid_field *b = field->report->field[field->index + 2];
2168 
2169 				if (a->maxusage > 0 && a->usage[0].hid == HID_DG_TOOLSERIALNUMBER && a->report_size == 32 &&
2170 				    b->maxusage > 0 && b->usage[0].hid == 0xFF000000 && b->report_size == 8) {
2171 					features->quirks |= WACOM_QUIRK_AESPEN;
2172 					usage->hid = WACOM_HID_WD_TOOLTYPE;
2173 					field->logical_minimum = S16_MIN;
2174 					field->logical_maximum = S16_MAX;
2175 					a->logical_minimum = S32_MIN;
2176 					a->logical_maximum = S32_MAX;
2177 					b->usage[0].hid = WACOM_HID_WD_SERIALHI;
2178 					b->logical_minimum = 0;
2179 					b->logical_maximum = U8_MAX;
2180 				}
2181 			}
2182 		}
2183 		break;
2184 	case WACOM_HID_WD_SENSE:
2185 		features->quirks |= WACOM_QUIRK_SENSE;
2186 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2187 		break;
2188 	case WACOM_HID_WD_SERIALHI:
2189 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2190 
2191 		if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2192 			set_bit(EV_KEY, input->evbit);
2193 			input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2194 			input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2195 			input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2196 			input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2197 			input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2198 			if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2199 				input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2200 				input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2201 			}
2202 		}
2203 		break;
2204 	case WACOM_HID_WD_FINGERWHEEL:
2205 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2206 		break;
2207 	}
2208 }
2209 
2210 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2211 		struct hid_usage *usage, __s32 value)
2212 {
2213 	struct wacom *wacom = hid_get_drvdata(hdev);
2214 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2215 	struct wacom_features *features = &wacom_wac->features;
2216 	struct input_dev *input = wacom_wac->pen_input;
2217 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2218 
2219 	if (wacom_wac->is_invalid_bt_frame)
2220 		return;
2221 
2222 	switch (equivalent_usage) {
2223 	case HID_GD_Z:
2224 		/*
2225 		 * HID_GD_Z "should increase as the control's position is
2226 		 * moved from high to low", while ABS_DISTANCE instead
2227 		 * increases in value as the tool moves from low to high.
2228 		 */
2229 		value = field->logical_maximum - value;
2230 		break;
2231 	case HID_DG_INRANGE:
2232 		wacom_wac->hid_data.inrange_state = value;
2233 		if (!(features->quirks & WACOM_QUIRK_SENSE))
2234 			wacom_wac->hid_data.sense_state = value;
2235 		return;
2236 	case HID_DG_INVERT:
2237 		wacom_wac->hid_data.invert_state = value;
2238 		return;
2239 	case HID_DG_ERASER:
2240 	case HID_DG_TIPSWITCH:
2241 		wacom_wac->hid_data.tipswitch |= value;
2242 		return;
2243 	case HID_DG_BARRELSWITCH:
2244 		wacom_wac->hid_data.barrelswitch = value;
2245 		return;
2246 	case HID_DG_BARRELSWITCH2:
2247 		wacom_wac->hid_data.barrelswitch2 = value;
2248 		return;
2249 	case HID_DG_TOOLSERIALNUMBER:
2250 		if (value) {
2251 			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2252 			wacom_wac->serial[0] |= (__u32)value;
2253 		}
2254 		return;
2255 	case HID_DG_TWIST:
2256 		/*
2257 		 * Userspace expects pen twist to have its zero point when
2258 		 * the buttons/finger is on the tablet's left. HID values
2259 		 * are zero when buttons are toward the top.
2260 		 */
2261 		value = wacom_offset_rotation(input, usage, value, 1, 4);
2262 		break;
2263 	case WACOM_HID_WD_SENSE:
2264 		wacom_wac->hid_data.sense_state = value;
2265 		return;
2266 	case WACOM_HID_WD_SERIALHI:
2267 		if (value) {
2268 			wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2269 			wacom_wac->serial[0] |= ((__u64)value) << 32;
2270 			/*
2271 			 * Non-USI EMR devices may contain additional tool type
2272 			 * information here. See WACOM_HID_WD_TOOLTYPE case for
2273 			 * more details.
2274 			 */
2275 			if (value >> 20 == 1) {
2276 				wacom_wac->id[0] |= value & 0xFFFFF;
2277 			}
2278 		}
2279 		return;
2280 	case WACOM_HID_WD_TOOLTYPE:
2281 		/*
2282 		 * Some devices (MobileStudio Pro, and possibly later
2283 		 * devices as well) do not return the complete tool
2284 		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2285 		 * bitwise OR so the complete value can be built
2286 		 * up over time :(
2287 		 */
2288 		wacom_wac->id[0] |= value;
2289 		return;
2290 	case WACOM_HID_WD_OFFSETLEFT:
2291 		if (features->offset_left && value != features->offset_left)
2292 			hid_warn(hdev, "%s: overriding existing left offset "
2293 				 "%d -> %d\n", __func__, value,
2294 				 features->offset_left);
2295 		features->offset_left = value;
2296 		return;
2297 	case WACOM_HID_WD_OFFSETRIGHT:
2298 		if (features->offset_right && value != features->offset_right)
2299 			hid_warn(hdev, "%s: overriding existing right offset "
2300 				 "%d -> %d\n", __func__, value,
2301 				 features->offset_right);
2302 		features->offset_right = value;
2303 		return;
2304 	case WACOM_HID_WD_OFFSETTOP:
2305 		if (features->offset_top && value != features->offset_top)
2306 			hid_warn(hdev, "%s: overriding existing top offset "
2307 				 "%d -> %d\n", __func__, value,
2308 				 features->offset_top);
2309 		features->offset_top = value;
2310 		return;
2311 	case WACOM_HID_WD_OFFSETBOTTOM:
2312 		if (features->offset_bottom && value != features->offset_bottom)
2313 			hid_warn(hdev, "%s: overriding existing bottom offset "
2314 				 "%d -> %d\n", __func__, value,
2315 				 features->offset_bottom);
2316 		features->offset_bottom = value;
2317 		return;
2318 	case WACOM_HID_WD_REPORT_VALID:
2319 		wacom_wac->is_invalid_bt_frame = !value;
2320 		return;
2321 	}
2322 
2323 	/* send pen events only when touch is up or forced out
2324 	 * or touch arbitration is off
2325 	 */
2326 	if (!usage->type || delay_pen_events(wacom_wac))
2327 		return;
2328 
2329 	/* send pen events only when the pen is in range */
2330 	if (wacom_wac->hid_data.inrange_state)
2331 		input_event(input, usage->type, usage->code, value);
2332 	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2333 		input_event(input, usage->type, usage->code, 0);
2334 }
2335 
2336 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2337 		struct hid_report *report)
2338 {
2339 	struct wacom *wacom = hid_get_drvdata(hdev);
2340 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2341 
2342 	wacom_wac->is_invalid_bt_frame = false;
2343 	return;
2344 }
2345 
2346 static void wacom_wac_pen_report(struct hid_device *hdev,
2347 		struct hid_report *report)
2348 {
2349 	struct wacom *wacom = hid_get_drvdata(hdev);
2350 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2351 	struct input_dev *input = wacom_wac->pen_input;
2352 	bool range = wacom_wac->hid_data.inrange_state;
2353 	bool sense = wacom_wac->hid_data.sense_state;
2354 
2355 	if (wacom_wac->is_invalid_bt_frame)
2356 		return;
2357 
2358 	if (!wacom_wac->tool[0] && range) { /* first in range */
2359 		/* Going into range select tool */
2360 		if (wacom_wac->hid_data.invert_state)
2361 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2362 		else if (wacom_wac->id[0])
2363 			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2364 		else
2365 			wacom_wac->tool[0] = BTN_TOOL_PEN;
2366 	}
2367 
2368 	/* keep pen state for touch events */
2369 	wacom_wac->shared->stylus_in_proximity = sense;
2370 
2371 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2372 		int id = wacom_wac->id[0];
2373 		int sw_state = wacom_wac->hid_data.barrelswitch |
2374 			       (wacom_wac->hid_data.barrelswitch2 << 1);
2375 
2376 		input_report_key(input, BTN_STYLUS, sw_state == 1);
2377 		input_report_key(input, BTN_STYLUS2, sw_state == 2);
2378 		input_report_key(input, BTN_STYLUS3, sw_state == 3);
2379 
2380 		/*
2381 		 * Non-USI EMR tools should have their IDs mangled to
2382 		 * match the legacy behavior of wacom_intuos_general
2383 		 */
2384 		if (wacom_wac->serial[0] >> 52 == 1)
2385 			id = wacom_intuos_id_mangle(id);
2386 
2387 		/*
2388 		 * To ensure compatibility with xf86-input-wacom, we should
2389 		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2390 		 * MSC_SERIAL events.
2391 		 */
2392 		input_report_key(input, BTN_TOUCH,
2393 				wacom_wac->hid_data.tipswitch);
2394 		input_report_key(input, wacom_wac->tool[0], sense);
2395 		if (wacom_wac->serial[0]) {
2396 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2397 			input_report_abs(input, ABS_MISC, sense ? id : 0);
2398 		}
2399 
2400 		wacom_wac->hid_data.tipswitch = false;
2401 
2402 		input_sync(input);
2403 	}
2404 
2405 	if (!sense) {
2406 		wacom_wac->tool[0] = 0;
2407 		wacom_wac->id[0] = 0;
2408 		wacom_wac->serial[0] = 0;
2409 	}
2410 }
2411 
2412 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2413 		struct hid_field *field, struct hid_usage *usage)
2414 {
2415 	struct wacom *wacom = hid_get_drvdata(hdev);
2416 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2417 	struct input_dev *input = wacom_wac->touch_input;
2418 	unsigned touch_max = wacom_wac->features.touch_max;
2419 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2420 
2421 	switch (equivalent_usage) {
2422 	case HID_GD_X:
2423 		if (touch_max == 1)
2424 			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2425 		else
2426 			wacom_map_usage(input, usage, field, EV_ABS,
2427 					ABS_MT_POSITION_X, 4);
2428 		break;
2429 	case HID_GD_Y:
2430 		if (touch_max == 1)
2431 			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2432 		else
2433 			wacom_map_usage(input, usage, field, EV_ABS,
2434 					ABS_MT_POSITION_Y, 4);
2435 		break;
2436 	case HID_DG_WIDTH:
2437 	case HID_DG_HEIGHT:
2438 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2439 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2440 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2441 		break;
2442 	case HID_DG_TIPSWITCH:
2443 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2444 		break;
2445 	case HID_DG_CONTACTCOUNT:
2446 		wacom_wac->hid_data.cc_report = field->report->id;
2447 		wacom_wac->hid_data.cc_index = field->index;
2448 		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2449 		break;
2450 	case HID_DG_CONTACTID:
2451 		if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2452 			/*
2453 			 * The HID descriptor for G11 sensors leaves logical
2454 			 * maximum set to '1' despite it being a multitouch
2455 			 * device. Override to a sensible number.
2456 			 */
2457 			field->logical_maximum = 255;
2458 		}
2459 		break;
2460 	}
2461 }
2462 
2463 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2464 		struct input_dev *input)
2465 {
2466 	struct hid_data *hid_data = &wacom_wac->hid_data;
2467 	bool mt = wacom_wac->features.touch_max > 1;
2468 	bool prox = hid_data->tipswitch &&
2469 		    report_touch_events(wacom_wac);
2470 
2471 	if (wacom_wac->shared->has_mute_touch_switch &&
2472 	    !wacom_wac->shared->is_touch_on) {
2473 		if (!wacom_wac->shared->touch_down)
2474 			return;
2475 		prox = 0;
2476 	}
2477 
2478 	wacom_wac->hid_data.num_received++;
2479 	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2480 		return;
2481 
2482 	if (mt) {
2483 		int slot;
2484 
2485 		slot = input_mt_get_slot_by_key(input, hid_data->id);
2486 		input_mt_slot(input, slot);
2487 		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2488 	}
2489 	else {
2490 		input_report_key(input, BTN_TOUCH, prox);
2491 	}
2492 
2493 	if (prox) {
2494 		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2495 				 hid_data->x);
2496 		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2497 				 hid_data->y);
2498 
2499 		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2500 			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2501 			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2502 			if (hid_data->width != hid_data->height)
2503 				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2504 		}
2505 	}
2506 }
2507 
2508 static void wacom_wac_finger_event(struct hid_device *hdev,
2509 		struct hid_field *field, struct hid_usage *usage, __s32 value)
2510 {
2511 	struct wacom *wacom = hid_get_drvdata(hdev);
2512 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2513 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2514 
2515 	switch (equivalent_usage) {
2516 	case HID_GD_X:
2517 		wacom_wac->hid_data.x = value;
2518 		break;
2519 	case HID_GD_Y:
2520 		wacom_wac->hid_data.y = value;
2521 		break;
2522 	case HID_DG_WIDTH:
2523 		wacom_wac->hid_data.width = value;
2524 		break;
2525 	case HID_DG_HEIGHT:
2526 		wacom_wac->hid_data.height = value;
2527 		break;
2528 	case HID_DG_CONTACTID:
2529 		wacom_wac->hid_data.id = value;
2530 		break;
2531 	case HID_DG_TIPSWITCH:
2532 		wacom_wac->hid_data.tipswitch = value;
2533 		break;
2534 	}
2535 
2536 
2537 	if (usage->usage_index + 1 == field->report_count) {
2538 		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2539 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2540 	}
2541 }
2542 
2543 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2544 		struct hid_report *report)
2545 {
2546 	struct wacom *wacom = hid_get_drvdata(hdev);
2547 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2548 	struct hid_data* hid_data = &wacom_wac->hid_data;
2549 	int i;
2550 
2551 	for (i = 0; i < report->maxfield; i++) {
2552 		struct hid_field *field = report->field[i];
2553 		int j;
2554 
2555 		for (j = 0; j < field->maxusage; j++) {
2556 			struct hid_usage *usage = &field->usage[j];
2557 			unsigned int equivalent_usage =
2558 				wacom_equivalent_usage(usage->hid);
2559 
2560 			switch (equivalent_usage) {
2561 			case HID_GD_X:
2562 			case HID_GD_Y:
2563 			case HID_DG_WIDTH:
2564 			case HID_DG_HEIGHT:
2565 			case HID_DG_CONTACTID:
2566 			case HID_DG_INRANGE:
2567 			case HID_DG_INVERT:
2568 			case HID_DG_TIPSWITCH:
2569 				hid_data->last_slot_field = equivalent_usage;
2570 				break;
2571 			case HID_DG_CONTACTCOUNT:
2572 				hid_data->cc_report = report->id;
2573 				hid_data->cc_index = i;
2574 				hid_data->cc_value_index = j;
2575 				break;
2576 			}
2577 		}
2578 	}
2579 
2580 	if (hid_data->cc_report != 0 &&
2581 	    hid_data->cc_index >= 0) {
2582 		struct hid_field *field = report->field[hid_data->cc_index];
2583 		int value = field->value[hid_data->cc_value_index];
2584 		if (value)
2585 			hid_data->num_expected = value;
2586 	}
2587 	else {
2588 		hid_data->num_expected = wacom_wac->features.touch_max;
2589 	}
2590 }
2591 
2592 static void wacom_wac_finger_report(struct hid_device *hdev,
2593 		struct hid_report *report)
2594 {
2595 	struct wacom *wacom = hid_get_drvdata(hdev);
2596 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2597 	struct input_dev *input = wacom_wac->touch_input;
2598 	unsigned touch_max = wacom_wac->features.touch_max;
2599 
2600 	/* If more packets of data are expected, give us a chance to
2601 	 * process them rather than immediately syncing a partial
2602 	 * update.
2603 	 */
2604 	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2605 		return;
2606 
2607 	if (touch_max > 1)
2608 		input_mt_sync_frame(input);
2609 
2610 	input_sync(input);
2611 	wacom_wac->hid_data.num_received = 0;
2612 
2613 	/* keep touch state for pen event */
2614 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2615 }
2616 
2617 void wacom_wac_usage_mapping(struct hid_device *hdev,
2618 		struct hid_field *field, struct hid_usage *usage)
2619 {
2620 	struct wacom *wacom = hid_get_drvdata(hdev);
2621 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2622 	struct wacom_features *features = &wacom_wac->features;
2623 
2624 	if (WACOM_DIRECT_DEVICE(field))
2625 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2626 
2627 	/* usage tests must precede field tests */
2628 	if (WACOM_BATTERY_USAGE(usage))
2629 		wacom_wac_battery_usage_mapping(hdev, field, usage);
2630 	else if (WACOM_PAD_FIELD(field))
2631 		wacom_wac_pad_usage_mapping(hdev, field, usage);
2632 	else if (WACOM_PEN_FIELD(field))
2633 		wacom_wac_pen_usage_mapping(hdev, field, usage);
2634 	else if (WACOM_FINGER_FIELD(field))
2635 		wacom_wac_finger_usage_mapping(hdev, field, usage);
2636 }
2637 
2638 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2639 		struct hid_usage *usage, __s32 value)
2640 {
2641 	struct wacom *wacom = hid_get_drvdata(hdev);
2642 
2643 	if (wacom->wacom_wac.features.type != HID_GENERIC)
2644 		return;
2645 
2646 	if (value > field->logical_maximum || value < field->logical_minimum)
2647 		return;
2648 
2649 	/* usage tests must precede field tests */
2650 	if (WACOM_BATTERY_USAGE(usage))
2651 		wacom_wac_battery_event(hdev, field, usage, value);
2652 	else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2653 		wacom_wac_pad_event(hdev, field, usage, value);
2654 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2655 		wacom_wac_pen_event(hdev, field, usage, value);
2656 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2657 		wacom_wac_finger_event(hdev, field, usage, value);
2658 }
2659 
2660 static void wacom_report_events(struct hid_device *hdev,
2661 				struct hid_report *report, int collection_index,
2662 				int field_index)
2663 {
2664 	int r;
2665 
2666 	for (r = field_index; r < report->maxfield; r++) {
2667 		struct hid_field *field;
2668 		unsigned count, n;
2669 
2670 		field = report->field[r];
2671 		count = field->report_count;
2672 
2673 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2674 			continue;
2675 
2676 		for (n = 0 ; n < count; n++) {
2677 			if (field->usage[n].collection_index == collection_index)
2678 				wacom_wac_event(hdev, field, &field->usage[n],
2679 						field->value[n]);
2680 			else
2681 				return;
2682 		}
2683 	}
2684 }
2685 
2686 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2687 			 int collection_index, struct hid_field *field,
2688 			 int field_index)
2689 {
2690 	struct wacom *wacom = hid_get_drvdata(hdev);
2691 
2692 	wacom_report_events(hdev, report, collection_index, field_index);
2693 
2694 	/*
2695 	 * Non-input reports may be sent prior to the device being
2696 	 * completely initialized. Since only their events need
2697 	 * to be processed, exit after 'wacom_report_events' has
2698 	 * been called to prevent potential crashes in the report-
2699 	 * processing functions.
2700 	 */
2701 	if (report->type != HID_INPUT_REPORT)
2702 		return -1;
2703 
2704 	if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2705 		wacom_wac_pad_report(hdev, report, field);
2706 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2707 		wacom_wac_pen_report(hdev, report);
2708 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2709 		wacom_wac_finger_report(hdev, report);
2710 
2711 	return 0;
2712 }
2713 
2714 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2715 {
2716 	struct wacom *wacom = hid_get_drvdata(hdev);
2717 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2718 	struct hid_field *field;
2719 	bool pad_in_hid_field = false, pen_in_hid_field = false,
2720 		finger_in_hid_field = false;
2721 	int r;
2722 	int prev_collection = -1;
2723 
2724 	if (wacom_wac->features.type != HID_GENERIC)
2725 		return;
2726 
2727 	for (r = 0; r < report->maxfield; r++) {
2728 		field = report->field[r];
2729 
2730 		if (WACOM_PAD_FIELD(field))
2731 			pad_in_hid_field = true;
2732 		if (WACOM_PEN_FIELD(field))
2733 			pen_in_hid_field = true;
2734 		if (WACOM_FINGER_FIELD(field))
2735 			finger_in_hid_field = true;
2736 	}
2737 
2738 	wacom_wac_battery_pre_report(hdev, report);
2739 
2740 	if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2741 		wacom_wac_pad_pre_report(hdev, report);
2742 	if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2743 		wacom_wac_pen_pre_report(hdev, report);
2744 	if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2745 		wacom_wac_finger_pre_report(hdev, report);
2746 
2747 	for (r = 0; r < report->maxfield; r++) {
2748 		field = report->field[r];
2749 
2750 		if (field->usage[0].collection_index != prev_collection) {
2751 			if (wacom_wac_collection(hdev, report,
2752 				field->usage[0].collection_index, field, r) < 0)
2753 				return;
2754 			prev_collection = field->usage[0].collection_index;
2755 		}
2756 	}
2757 
2758 	wacom_wac_battery_report(hdev, report);
2759 }
2760 
2761 static int wacom_bpt_touch(struct wacom_wac *wacom)
2762 {
2763 	struct wacom_features *features = &wacom->features;
2764 	struct input_dev *input = wacom->touch_input;
2765 	struct input_dev *pad_input = wacom->pad_input;
2766 	unsigned char *data = wacom->data;
2767 	int i;
2768 
2769 	if (data[0] != 0x02)
2770 	    return 0;
2771 
2772 	for (i = 0; i < 2; i++) {
2773 		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2774 		bool touch = report_touch_events(wacom)
2775 			   && (data[offset + 3] & 0x80);
2776 
2777 		input_mt_slot(input, i);
2778 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2779 		if (touch) {
2780 			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2781 			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2782 			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2783 				x <<= 5;
2784 				y <<= 5;
2785 			}
2786 			input_report_abs(input, ABS_MT_POSITION_X, x);
2787 			input_report_abs(input, ABS_MT_POSITION_Y, y);
2788 		}
2789 	}
2790 
2791 	input_mt_sync_frame(input);
2792 
2793 	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2794 	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2795 	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2796 	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2797 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2798 
2799 	return 1;
2800 }
2801 
2802 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2803 {
2804 	struct wacom_features *features = &wacom->features;
2805 	struct input_dev *input = wacom->touch_input;
2806 	bool touch = data[1] & 0x80;
2807 	int slot = input_mt_get_slot_by_key(input, data[0]);
2808 
2809 	if (slot < 0)
2810 		return;
2811 
2812 	touch = touch && report_touch_events(wacom);
2813 
2814 	input_mt_slot(input, slot);
2815 	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2816 
2817 	if (touch) {
2818 		int x = (data[2] << 4) | (data[4] >> 4);
2819 		int y = (data[3] << 4) | (data[4] & 0x0f);
2820 		int width, height;
2821 
2822 		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2823 			width  = data[5] * 100;
2824 			height = data[6] * 100;
2825 		} else {
2826 			/*
2827 			 * "a" is a scaled-down area which we assume is
2828 			 * roughly circular and which can be described as:
2829 			 * a=(pi*r^2)/C.
2830 			 */
2831 			int a = data[5];
2832 			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2833 			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2834 			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2835 			height = width * y_res / x_res;
2836 		}
2837 
2838 		input_report_abs(input, ABS_MT_POSITION_X, x);
2839 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2840 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2841 		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2842 	}
2843 }
2844 
2845 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2846 {
2847 	struct input_dev *input = wacom->pad_input;
2848 	struct wacom_features *features = &wacom->features;
2849 
2850 	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2851 		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2852 		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2853 	} else {
2854 		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2855 		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2856 	}
2857 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2858 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2859 }
2860 
2861 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2862 {
2863 	unsigned char *data = wacom->data;
2864 	int count = data[1] & 0x07;
2865 	int  touch_changed = 0, i;
2866 
2867 	if (data[0] != 0x02)
2868 	    return 0;
2869 
2870 	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2871 	for (i = 0; i < count; i++) {
2872 		int offset = (8 * i) + 2;
2873 		int msg_id = data[offset];
2874 
2875 		if (msg_id >= 2 && msg_id <= 17) {
2876 			wacom_bpt3_touch_msg(wacom, data + offset);
2877 			touch_changed++;
2878 		} else if (msg_id == 128)
2879 			wacom_bpt3_button_msg(wacom, data + offset);
2880 
2881 	}
2882 
2883 	/* only update touch if we actually have a touchpad and touch data changed */
2884 	if (wacom->touch_input && touch_changed) {
2885 		input_mt_sync_frame(wacom->touch_input);
2886 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2887 	}
2888 
2889 	return 1;
2890 }
2891 
2892 static int wacom_bpt_pen(struct wacom_wac *wacom)
2893 {
2894 	struct wacom_features *features = &wacom->features;
2895 	struct input_dev *input = wacom->pen_input;
2896 	unsigned char *data = wacom->data;
2897 	int x = 0, y = 0, p = 0, d = 0;
2898 	bool pen = false, btn1 = false, btn2 = false;
2899 	bool range, prox, rdy;
2900 
2901 	if (data[0] != WACOM_REPORT_PENABLED)
2902 	    return 0;
2903 
2904 	range = (data[1] & 0x80) == 0x80;
2905 	prox = (data[1] & 0x40) == 0x40;
2906 	rdy = (data[1] & 0x20) == 0x20;
2907 
2908 	wacom->shared->stylus_in_proximity = range;
2909 	if (delay_pen_events(wacom))
2910 		return 0;
2911 
2912 	if (rdy) {
2913 		p = le16_to_cpup((__le16 *)&data[6]);
2914 		pen = data[1] & 0x01;
2915 		btn1 = data[1] & 0x02;
2916 		btn2 = data[1] & 0x04;
2917 	}
2918 	if (prox) {
2919 		x = le16_to_cpup((__le16 *)&data[2]);
2920 		y = le16_to_cpup((__le16 *)&data[4]);
2921 
2922 		if (data[1] & 0x08) {
2923 			wacom->tool[0] = BTN_TOOL_RUBBER;
2924 			wacom->id[0] = ERASER_DEVICE_ID;
2925 		} else {
2926 			wacom->tool[0] = BTN_TOOL_PEN;
2927 			wacom->id[0] = STYLUS_DEVICE_ID;
2928 		}
2929 		wacom->reporting_data = true;
2930 	}
2931 	if (range) {
2932 		/*
2933 		 * Convert distance from out prox to distance from tablet.
2934 		 * distance will be greater than distance_max once
2935 		 * touching and applying pressure; do not report negative
2936 		 * distance.
2937 		 */
2938 		if (data[8] <= features->distance_max)
2939 			d = features->distance_max - data[8];
2940 	} else {
2941 		wacom->id[0] = 0;
2942 	}
2943 
2944 	if (wacom->reporting_data) {
2945 		input_report_key(input, BTN_TOUCH, pen);
2946 		input_report_key(input, BTN_STYLUS, btn1);
2947 		input_report_key(input, BTN_STYLUS2, btn2);
2948 
2949 		if (prox || !range) {
2950 			input_report_abs(input, ABS_X, x);
2951 			input_report_abs(input, ABS_Y, y);
2952 		}
2953 		input_report_abs(input, ABS_PRESSURE, p);
2954 		input_report_abs(input, ABS_DISTANCE, d);
2955 
2956 		input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
2957 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
2958 	}
2959 
2960 	if (!range) {
2961 		wacom->reporting_data = false;
2962 	}
2963 
2964 	return 1;
2965 }
2966 
2967 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
2968 {
2969 	struct wacom_features *features = &wacom->features;
2970 
2971 	if ((features->type == INTUOSHT2) &&
2972 	    (features->device_type & WACOM_DEVICETYPE_PEN))
2973 		return wacom_intuos_irq(wacom);
2974 	else if (len == WACOM_PKGLEN_BBTOUCH)
2975 		return wacom_bpt_touch(wacom);
2976 	else if (len == WACOM_PKGLEN_BBTOUCH3)
2977 		return wacom_bpt3_touch(wacom);
2978 	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
2979 		return wacom_bpt_pen(wacom);
2980 
2981 	return 0;
2982 }
2983 
2984 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
2985 		unsigned char *data)
2986 {
2987 	unsigned char prefix;
2988 
2989 	/*
2990 	 * We need to reroute the event from the debug interface to the
2991 	 * pen interface.
2992 	 * We need to add the report ID to the actual pen report, so we
2993 	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
2994 	 * and memcpy the report.
2995 	 */
2996 	prefix = data[0];
2997 	data[0] = WACOM_REPORT_BPAD_PEN;
2998 
2999 	/*
3000 	 * actually reroute the event.
3001 	 * No need to check if wacom->shared->pen is valid, hid_input_report()
3002 	 * will check for us.
3003 	 */
3004 	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3005 			 WACOM_PKGLEN_PENABLED, 1);
3006 
3007 	data[0] = prefix;
3008 }
3009 
3010 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3011 		unsigned char *data)
3012 {
3013 	struct input_dev *input = wacom->touch_input;
3014 	unsigned char *finger_data, prefix;
3015 	unsigned id;
3016 	int x, y;
3017 	bool valid;
3018 
3019 	prefix = data[0];
3020 
3021 	for (id = 0; id < wacom->features.touch_max; id++) {
3022 		valid = !!(prefix & BIT(id)) &&
3023 			report_touch_events(wacom);
3024 
3025 		input_mt_slot(input, id);
3026 		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3027 
3028 		if (!valid)
3029 			continue;
3030 
3031 		finger_data = data + 1 + id * 3;
3032 		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3033 		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3034 
3035 		input_report_abs(input, ABS_MT_POSITION_X, x);
3036 		input_report_abs(input, ABS_MT_POSITION_Y, y);
3037 	}
3038 
3039 	input_mt_sync_frame(input);
3040 
3041 	input_report_key(input, BTN_LEFT, prefix & 0x40);
3042 	input_report_key(input, BTN_RIGHT, prefix & 0x80);
3043 
3044 	/* keep touch state for pen event */
3045 	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3046 
3047 	return 1;
3048 }
3049 
3050 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3051 {
3052 	unsigned char *data = wacom->data;
3053 
3054 	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3055 	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3056 	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
3057 		return 0;
3058 
3059 	if (data[1] & 0x01)
3060 		wacom_bamboo_pad_pen_event(wacom, &data[1]);
3061 
3062 	if (data[1] & 0x02)
3063 		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3064 
3065 	return 0;
3066 }
3067 
3068 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3069 {
3070 	unsigned char *data = wacom->data;
3071 	int connected;
3072 
3073 	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3074 		return 0;
3075 
3076 	connected = data[1] & 0x01;
3077 	if (connected) {
3078 		int pid, battery, charging;
3079 
3080 		if ((wacom->shared->type == INTUOSHT ||
3081 		    wacom->shared->type == INTUOSHT2) &&
3082 		    wacom->shared->touch_input &&
3083 		    wacom->shared->touch_max) {
3084 			input_report_switch(wacom->shared->touch_input,
3085 					SW_MUTE_DEVICE, data[5] & 0x40);
3086 			input_sync(wacom->shared->touch_input);
3087 		}
3088 
3089 		pid = get_unaligned_be16(&data[6]);
3090 		battery = (data[5] & 0x3f) * 100 / 31;
3091 		charging = !!(data[5] & 0x80);
3092 		if (wacom->pid != pid) {
3093 			wacom->pid = pid;
3094 			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3095 		}
3096 
3097 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3098 				     battery, charging, 1, 0);
3099 
3100 	} else if (wacom->pid != 0) {
3101 		/* disconnected while previously connected */
3102 		wacom->pid = 0;
3103 		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3104 		wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3105 	}
3106 
3107 	return 0;
3108 }
3109 
3110 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3111 {
3112 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3113 	struct wacom_features *features = &wacom_wac->features;
3114 	unsigned char *data = wacom_wac->data;
3115 
3116 	if (data[0] != WACOM_REPORT_USB)
3117 		return 0;
3118 
3119 	if ((features->type == INTUOSHT ||
3120 	    features->type == INTUOSHT2) &&
3121 	    wacom_wac->shared->touch_input &&
3122 	    features->touch_max) {
3123 		input_report_switch(wacom_wac->shared->touch_input,
3124 				    SW_MUTE_DEVICE, data[8] & 0x40);
3125 		input_sync(wacom_wac->shared->touch_input);
3126 	}
3127 
3128 	if (data[9] & 0x02) { /* wireless module is attached */
3129 		int battery = (data[8] & 0x3f) * 100 / 31;
3130 		bool charging = !!(data[8] & 0x80);
3131 
3132 		wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3133 				     battery, charging, battery || charging, 1);
3134 
3135 		if (!wacom->battery.battery &&
3136 		    !(features->quirks & WACOM_QUIRK_BATTERY)) {
3137 			features->quirks |= WACOM_QUIRK_BATTERY;
3138 			wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3139 		}
3140 	}
3141 	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3142 		 wacom->battery.battery) {
3143 		features->quirks &= ~WACOM_QUIRK_BATTERY;
3144 		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3145 		wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3146 	}
3147 	return 0;
3148 }
3149 
3150 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3151 {
3152 	bool sync;
3153 
3154 	switch (wacom_wac->features.type) {
3155 	case PENPARTNER:
3156 		sync = wacom_penpartner_irq(wacom_wac);
3157 		break;
3158 
3159 	case PL:
3160 		sync = wacom_pl_irq(wacom_wac);
3161 		break;
3162 
3163 	case WACOM_G4:
3164 	case GRAPHIRE:
3165 	case GRAPHIRE_BT:
3166 	case WACOM_MO:
3167 		sync = wacom_graphire_irq(wacom_wac);
3168 		break;
3169 
3170 	case PTU:
3171 		sync = wacom_ptu_irq(wacom_wac);
3172 		break;
3173 
3174 	case DTU:
3175 		sync = wacom_dtu_irq(wacom_wac);
3176 		break;
3177 
3178 	case DTUS:
3179 	case DTUSX:
3180 		sync = wacom_dtus_irq(wacom_wac);
3181 		break;
3182 
3183 	case INTUOS:
3184 	case INTUOS3S:
3185 	case INTUOS3:
3186 	case INTUOS3L:
3187 	case INTUOS4S:
3188 	case INTUOS4:
3189 	case INTUOS4L:
3190 	case CINTIQ:
3191 	case WACOM_BEE:
3192 	case WACOM_13HD:
3193 	case WACOM_21UX2:
3194 	case WACOM_22HD:
3195 	case WACOM_24HD:
3196 	case WACOM_27QHD:
3197 	case DTK:
3198 	case CINTIQ_HYBRID:
3199 	case CINTIQ_COMPANION_2:
3200 		sync = wacom_intuos_irq(wacom_wac);
3201 		break;
3202 
3203 	case INTUOS4WL:
3204 		sync = wacom_intuos_bt_irq(wacom_wac, len);
3205 		break;
3206 
3207 	case WACOM_24HDT:
3208 	case WACOM_27QHDT:
3209 		sync = wacom_24hdt_irq(wacom_wac);
3210 		break;
3211 
3212 	case INTUOS5S:
3213 	case INTUOS5:
3214 	case INTUOS5L:
3215 	case INTUOSPS:
3216 	case INTUOSPM:
3217 	case INTUOSPL:
3218 		if (len == WACOM_PKGLEN_BBTOUCH3)
3219 			sync = wacom_bpt3_touch(wacom_wac);
3220 		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3221 			sync = wacom_status_irq(wacom_wac, len);
3222 		else
3223 			sync = wacom_intuos_irq(wacom_wac);
3224 		break;
3225 
3226 	case INTUOSP2_BT:
3227 	case INTUOSHT3_BT:
3228 		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3229 		break;
3230 
3231 	case TABLETPC:
3232 	case TABLETPCE:
3233 	case TABLETPC2FG:
3234 	case MTSCREEN:
3235 	case MTTPC:
3236 	case MTTPC_B:
3237 		sync = wacom_tpc_irq(wacom_wac, len);
3238 		break;
3239 
3240 	case BAMBOO_PT:
3241 	case BAMBOO_PEN:
3242 	case BAMBOO_TOUCH:
3243 	case INTUOSHT:
3244 	case INTUOSHT2:
3245 		if (wacom_wac->data[0] == WACOM_REPORT_USB)
3246 			sync = wacom_status_irq(wacom_wac, len);
3247 		else
3248 			sync = wacom_bpt_irq(wacom_wac, len);
3249 		break;
3250 
3251 	case BAMBOO_PAD:
3252 		sync = wacom_bamboo_pad_irq(wacom_wac, len);
3253 		break;
3254 
3255 	case WIRELESS:
3256 		sync = wacom_wireless_irq(wacom_wac, len);
3257 		break;
3258 
3259 	case REMOTE:
3260 		sync = false;
3261 		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3262 			wacom_remote_status_irq(wacom_wac, len);
3263 		else
3264 			sync = wacom_remote_irq(wacom_wac, len);
3265 		break;
3266 
3267 	default:
3268 		sync = false;
3269 		break;
3270 	}
3271 
3272 	if (sync) {
3273 		if (wacom_wac->pen_input)
3274 			input_sync(wacom_wac->pen_input);
3275 		if (wacom_wac->touch_input)
3276 			input_sync(wacom_wac->touch_input);
3277 		if (wacom_wac->pad_input)
3278 			input_sync(wacom_wac->pad_input);
3279 	}
3280 }
3281 
3282 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3283 {
3284 	struct input_dev *input_dev = wacom_wac->pen_input;
3285 
3286 	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3287 
3288 	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3289 	__set_bit(BTN_STYLUS, input_dev->keybit);
3290 	__set_bit(BTN_STYLUS2, input_dev->keybit);
3291 
3292 	input_set_abs_params(input_dev, ABS_DISTANCE,
3293 			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3294 }
3295 
3296 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3297 {
3298 	struct input_dev *input_dev = wacom_wac->pen_input;
3299 	struct wacom_features *features = &wacom_wac->features;
3300 
3301 	wacom_setup_basic_pro_pen(wacom_wac);
3302 
3303 	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3304 	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3305 	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3306 	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3307 
3308 	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3309 	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3310 	input_abs_set_res(input_dev, ABS_TILT_X, 57);
3311 	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3312 	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3313 }
3314 
3315 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3316 {
3317 	struct input_dev *input_dev = wacom_wac->pen_input;
3318 
3319 	input_set_capability(input_dev, EV_REL, REL_WHEEL);
3320 
3321 	wacom_setup_cintiq(wacom_wac);
3322 
3323 	__set_bit(BTN_LEFT, input_dev->keybit);
3324 	__set_bit(BTN_RIGHT, input_dev->keybit);
3325 	__set_bit(BTN_MIDDLE, input_dev->keybit);
3326 	__set_bit(BTN_SIDE, input_dev->keybit);
3327 	__set_bit(BTN_EXTRA, input_dev->keybit);
3328 	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3329 	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
3330 
3331 	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3332 	input_abs_set_res(input_dev, ABS_RZ, 287);
3333 	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3334 }
3335 
3336 void wacom_setup_device_quirks(struct wacom *wacom)
3337 {
3338 	struct wacom_features *features = &wacom->wacom_wac.features;
3339 
3340 	/* The pen and pad share the same interface on most devices */
3341 	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3342 	    features->type == DTUS ||
3343 	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3344 		if (features->device_type & WACOM_DEVICETYPE_PEN)
3345 			features->device_type |= WACOM_DEVICETYPE_PAD;
3346 	}
3347 
3348 	/* touch device found but size is not defined. use default */
3349 	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3350 		features->x_max = 1023;
3351 		features->y_max = 1023;
3352 	}
3353 
3354 	/*
3355 	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3356 	 * touch interface in its HID descriptor. If this is the touch
3357 	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3358 	 * tablet values.
3359 	 */
3360 	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3361 		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3362 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3363 			if (features->touch_max)
3364 				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3365 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3366 				features->device_type |= WACOM_DEVICETYPE_PAD;
3367 
3368 			features->x_max = 4096;
3369 			features->y_max = 4096;
3370 		}
3371 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3372 			features->device_type |= WACOM_DEVICETYPE_PAD;
3373 		}
3374 	}
3375 
3376 	/*
3377 	 * Hack for the Bamboo One:
3378 	 * the device presents a PAD/Touch interface as most Bamboos and even
3379 	 * sends ghosts PAD data on it. However, later, we must disable this
3380 	 * ghost interface, and we can not detect it unless we set it here
3381 	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3382 	 */
3383 	if (features->type == BAMBOO_PEN &&
3384 	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3385 		features->device_type |= WACOM_DEVICETYPE_PAD;
3386 
3387 	/*
3388 	 * Raw Wacom-mode pen and touch events both come from interface
3389 	 * 0, whose HID descriptor has an application usage of 0xFF0D
3390 	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3391 	 * out through the HID_GENERIC device created for interface 1,
3392 	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3393 	 */
3394 	if (features->type == BAMBOO_PAD)
3395 		features->device_type = WACOM_DEVICETYPE_TOUCH;
3396 
3397 	if (features->type == REMOTE)
3398 		features->device_type = WACOM_DEVICETYPE_PAD;
3399 
3400 	if (features->type == INTUOSP2_BT) {
3401 		features->device_type |= WACOM_DEVICETYPE_PEN |
3402 					 WACOM_DEVICETYPE_PAD |
3403 					 WACOM_DEVICETYPE_TOUCH;
3404 		features->quirks |= WACOM_QUIRK_BATTERY;
3405 	}
3406 
3407 	if (features->type == INTUOSHT3_BT) {
3408 		features->device_type |= WACOM_DEVICETYPE_PEN |
3409 					 WACOM_DEVICETYPE_PAD;
3410 		features->quirks |= WACOM_QUIRK_BATTERY;
3411 	}
3412 
3413 	switch (features->type) {
3414 	case PL:
3415 	case DTU:
3416 	case DTUS:
3417 	case DTUSX:
3418 	case WACOM_21UX2:
3419 	case WACOM_22HD:
3420 	case DTK:
3421 	case WACOM_24HD:
3422 	case WACOM_27QHD:
3423 	case CINTIQ_HYBRID:
3424 	case CINTIQ_COMPANION_2:
3425 	case CINTIQ:
3426 	case WACOM_BEE:
3427 	case WACOM_13HD:
3428 	case WACOM_24HDT:
3429 	case WACOM_27QHDT:
3430 	case TABLETPC:
3431 	case TABLETPCE:
3432 	case TABLETPC2FG:
3433 	case MTSCREEN:
3434 	case MTTPC:
3435 	case MTTPC_B:
3436 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3437 		break;
3438 	}
3439 
3440 	if (wacom->hdev->bus == BUS_BLUETOOTH)
3441 		features->quirks |= WACOM_QUIRK_BATTERY;
3442 
3443 	/* quirk for bamboo touch with 2 low res touches */
3444 	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3445 	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3446 		features->x_max <<= 5;
3447 		features->y_max <<= 5;
3448 		features->x_fuzz <<= 5;
3449 		features->y_fuzz <<= 5;
3450 		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3451 	}
3452 
3453 	if (features->type == WIRELESS) {
3454 		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3455 			features->quirks |= WACOM_QUIRK_BATTERY;
3456 		}
3457 	}
3458 
3459 	if (features->type == REMOTE)
3460 		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3461 }
3462 
3463 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3464 				   struct wacom_wac *wacom_wac)
3465 {
3466 	struct wacom_features *features = &wacom_wac->features;
3467 
3468 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3469 
3470 	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3471 		return -ENODEV;
3472 
3473 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3474 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3475 	else
3476 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3477 
3478 	if (features->type == HID_GENERIC) {
3479 		/* setup has already been done; apply otherwise-undetectible quirks */
3480 		input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3481 		return 0;
3482 	}
3483 
3484 	__set_bit(BTN_TOUCH, input_dev->keybit);
3485 	__set_bit(ABS_MISC, input_dev->absbit);
3486 
3487 	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3488 			     features->x_max - features->offset_right,
3489 			     features->x_fuzz, 0);
3490 	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3491 			     features->y_max - features->offset_bottom,
3492 			     features->y_fuzz, 0);
3493 	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3494 		features->pressure_max, features->pressure_fuzz, 0);
3495 
3496 	/* penabled devices have fixed resolution for each model */
3497 	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3498 	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3499 
3500 	switch (features->type) {
3501 	case GRAPHIRE_BT:
3502 		__clear_bit(ABS_MISC, input_dev->absbit);
3503 
3504 	case WACOM_MO:
3505 	case WACOM_G4:
3506 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3507 					      features->distance_max,
3508 					      features->distance_fuzz, 0);
3509 		/* fall through */
3510 
3511 	case GRAPHIRE:
3512 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3513 
3514 		__set_bit(BTN_LEFT, input_dev->keybit);
3515 		__set_bit(BTN_RIGHT, input_dev->keybit);
3516 		__set_bit(BTN_MIDDLE, input_dev->keybit);
3517 
3518 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3519 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3520 		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3521 		__set_bit(BTN_STYLUS, input_dev->keybit);
3522 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3523 		break;
3524 
3525 	case WACOM_27QHD:
3526 	case WACOM_24HD:
3527 	case DTK:
3528 	case WACOM_22HD:
3529 	case WACOM_21UX2:
3530 	case WACOM_BEE:
3531 	case CINTIQ:
3532 	case WACOM_13HD:
3533 	case CINTIQ_HYBRID:
3534 	case CINTIQ_COMPANION_2:
3535 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3536 		input_abs_set_res(input_dev, ABS_Z, 287);
3537 		wacom_setup_cintiq(wacom_wac);
3538 		break;
3539 
3540 	case INTUOS3:
3541 	case INTUOS3L:
3542 	case INTUOS3S:
3543 	case INTUOS4:
3544 	case INTUOS4WL:
3545 	case INTUOS4L:
3546 	case INTUOS4S:
3547 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3548 		input_abs_set_res(input_dev, ABS_Z, 287);
3549 		/* fall through */
3550 
3551 	case INTUOS:
3552 		wacom_setup_intuos(wacom_wac);
3553 		break;
3554 
3555 	case INTUOS5:
3556 	case INTUOS5L:
3557 	case INTUOSPM:
3558 	case INTUOSPL:
3559 	case INTUOS5S:
3560 	case INTUOSPS:
3561 	case INTUOSP2_BT:
3562 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3563 				      features->distance_max,
3564 				      features->distance_fuzz, 0);
3565 
3566 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3567 		input_abs_set_res(input_dev, ABS_Z, 287);
3568 
3569 		wacom_setup_intuos(wacom_wac);
3570 		break;
3571 
3572 	case WACOM_24HDT:
3573 	case WACOM_27QHDT:
3574 	case MTSCREEN:
3575 	case MTTPC:
3576 	case MTTPC_B:
3577 	case TABLETPC2FG:
3578 	case TABLETPC:
3579 	case TABLETPCE:
3580 		__clear_bit(ABS_MISC, input_dev->absbit);
3581 		/* fall through */
3582 
3583 	case DTUS:
3584 	case DTUSX:
3585 	case PL:
3586 	case DTU:
3587 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3588 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3589 		__set_bit(BTN_STYLUS, input_dev->keybit);
3590 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3591 		break;
3592 
3593 	case PTU:
3594 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3595 		/* fall through */
3596 
3597 	case PENPARTNER:
3598 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3599 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3600 		__set_bit(BTN_STYLUS, input_dev->keybit);
3601 		break;
3602 
3603 	case INTUOSHT:
3604 	case BAMBOO_PT:
3605 	case BAMBOO_PEN:
3606 	case INTUOSHT2:
3607 	case INTUOSHT3_BT:
3608 		if (features->type == INTUOSHT2 ||
3609 		    features->type == INTUOSHT3_BT) {
3610 			wacom_setup_basic_pro_pen(wacom_wac);
3611 		} else {
3612 			__clear_bit(ABS_MISC, input_dev->absbit);
3613 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3614 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3615 			__set_bit(BTN_STYLUS, input_dev->keybit);
3616 			__set_bit(BTN_STYLUS2, input_dev->keybit);
3617 			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3618 				      features->distance_max,
3619 				      features->distance_fuzz, 0);
3620 		}
3621 		break;
3622 	case BAMBOO_PAD:
3623 		__clear_bit(ABS_MISC, input_dev->absbit);
3624 		break;
3625 	}
3626 	return 0;
3627 }
3628 
3629 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3630 					 struct wacom_wac *wacom_wac)
3631 {
3632 	struct wacom_features *features = &wacom_wac->features;
3633 
3634 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3635 
3636 	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3637 		return -ENODEV;
3638 
3639 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3640 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3641 	else
3642 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3643 
3644 	if (features->type == HID_GENERIC)
3645 		/* setup has already been done */
3646 		return 0;
3647 
3648 	__set_bit(BTN_TOUCH, input_dev->keybit);
3649 
3650 	if (features->touch_max == 1) {
3651 		input_set_abs_params(input_dev, ABS_X, 0,
3652 			features->x_max, features->x_fuzz, 0);
3653 		input_set_abs_params(input_dev, ABS_Y, 0,
3654 			features->y_max, features->y_fuzz, 0);
3655 		input_abs_set_res(input_dev, ABS_X,
3656 				  features->x_resolution);
3657 		input_abs_set_res(input_dev, ABS_Y,
3658 				  features->y_resolution);
3659 	}
3660 	else if (features->touch_max > 1) {
3661 		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3662 			features->x_max, features->x_fuzz, 0);
3663 		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3664 			features->y_max, features->y_fuzz, 0);
3665 		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3666 				  features->x_resolution);
3667 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3668 				  features->y_resolution);
3669 	}
3670 
3671 	switch (features->type) {
3672 	case INTUOSP2_BT:
3673 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3674 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3675 
3676 		if (wacom_wac->shared->touch->product == 0x361) {
3677 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3678 					     0, 12440, 4, 0);
3679 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3680 					     0, 8640, 4, 0);
3681 		}
3682 		else if (wacom_wac->shared->touch->product == 0x360) {
3683 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3684 					     0, 8960, 4, 0);
3685 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3686 					     0, 5920, 4, 0);
3687 		}
3688 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3689 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3690 
3691 		/* fall through */
3692 
3693 	case INTUOS5:
3694 	case INTUOS5L:
3695 	case INTUOSPM:
3696 	case INTUOSPL:
3697 	case INTUOS5S:
3698 	case INTUOSPS:
3699 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3700 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3701 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3702 		break;
3703 
3704 	case WACOM_24HDT:
3705 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3706 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3707 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3708 		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3709 		/* fall through */
3710 
3711 	case WACOM_27QHDT:
3712 	case MTSCREEN:
3713 	case MTTPC:
3714 	case MTTPC_B:
3715 	case TABLETPC2FG:
3716 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3717 		/*fall through */
3718 
3719 	case TABLETPC:
3720 	case TABLETPCE:
3721 		break;
3722 
3723 	case INTUOSHT:
3724 	case INTUOSHT2:
3725 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3726 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3727 		/* fall through */
3728 
3729 	case BAMBOO_PT:
3730 	case BAMBOO_TOUCH:
3731 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3732 			input_set_abs_params(input_dev,
3733 				     ABS_MT_TOUCH_MAJOR,
3734 				     0, features->x_max, 0, 0);
3735 			input_set_abs_params(input_dev,
3736 				     ABS_MT_TOUCH_MINOR,
3737 				     0, features->y_max, 0, 0);
3738 		}
3739 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3740 		break;
3741 
3742 	case BAMBOO_PAD:
3743 		input_mt_init_slots(input_dev, features->touch_max,
3744 				    INPUT_MT_POINTER);
3745 		__set_bit(BTN_LEFT, input_dev->keybit);
3746 		__set_bit(BTN_RIGHT, input_dev->keybit);
3747 		break;
3748 	}
3749 	return 0;
3750 }
3751 
3752 static int wacom_numbered_button_to_key(int n)
3753 {
3754 	if (n < 10)
3755 		return BTN_0 + n;
3756 	else if (n < 16)
3757 		return BTN_A + (n-10);
3758 	else if (n < 18)
3759 		return BTN_BASE + (n-16);
3760 	else
3761 		return 0;
3762 }
3763 
3764 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3765 				int button_count)
3766 {
3767 	int i;
3768 
3769 	for (i = 0; i < button_count; i++) {
3770 		int key = wacom_numbered_button_to_key(i);
3771 
3772 		if (key)
3773 			__set_bit(key, input_dev->keybit);
3774 	}
3775 }
3776 
3777 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3778 {
3779 	struct wacom_led *led;
3780 	int i;
3781 	bool updated = false;
3782 
3783 	/*
3784 	 * 24HD has LED group 1 to the left and LED group 0 to the right.
3785 	 * So group 0 matches the second half of the buttons and thus the mask
3786 	 * needs to be shifted.
3787 	 */
3788 	if (group == 0)
3789 		mask >>= 8;
3790 
3791 	for (i = 0; i < 3; i++) {
3792 		led = wacom_led_find(wacom, group, i);
3793 		if (!led) {
3794 			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3795 				i, group);
3796 			continue;
3797 		}
3798 		if (!updated && mask & BIT(i)) {
3799 			led->held = true;
3800 			led_trigger_event(&led->trigger, LED_FULL);
3801 		} else {
3802 			led->held = false;
3803 		}
3804 	}
3805 }
3806 
3807 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3808 				 int mask, int group)
3809 {
3810 	int button_per_group;
3811 
3812 	/*
3813 	 * 21UX2 has LED group 1 to the left and LED group 0
3814 	 * to the right. We need to reverse the group to match this
3815 	 * historical behavior.
3816 	 */
3817 	if (wacom->wacom_wac.features.type == WACOM_21UX2)
3818 		group = 1 - group;
3819 
3820 	button_per_group = button_count/wacom->led.count;
3821 
3822 	return mask & (1 << (group * button_per_group));
3823 }
3824 
3825 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3826 			     int group)
3827 {
3828 	struct wacom_led *led, *next_led;
3829 	int cur;
3830 	bool pressed;
3831 
3832 	if (wacom->wacom_wac.features.type == WACOM_24HD)
3833 		return wacom_24hd_update_leds(wacom, mask, group);
3834 
3835 	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
3836 	cur = wacom->led.groups[group].select;
3837 
3838 	led = wacom_led_find(wacom, group, cur);
3839 	if (!led) {
3840 		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
3841 			cur, group);
3842 		return;
3843 	}
3844 
3845 	if (!pressed) {
3846 		led->held = false;
3847 		return;
3848 	}
3849 
3850 	if (led->held && pressed)
3851 		return;
3852 
3853 	next_led = wacom_led_next(wacom, led);
3854 	if (!next_led) {
3855 		hid_err(wacom->hdev, "can't find next LED in group %d\n",
3856 			group);
3857 		return;
3858 	}
3859 	if (next_led == led)
3860 		return;
3861 
3862 	next_led->held = true;
3863 	led_trigger_event(&next_led->trigger,
3864 			  wacom_leds_brightness_get(next_led));
3865 }
3866 
3867 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
3868 				int button_count, int mask)
3869 {
3870 	struct wacom *wacom = input_get_drvdata(input_dev);
3871 	int i;
3872 
3873 	for (i = 0; i < wacom->led.count; i++)
3874 		wacom_update_led(wacom,  button_count, mask, i);
3875 
3876 	for (i = 0; i < button_count; i++) {
3877 		int key = wacom_numbered_button_to_key(i);
3878 
3879 		if (key)
3880 			input_report_key(input_dev, key, mask & (1 << i));
3881 	}
3882 }
3883 
3884 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
3885 				   struct wacom_wac *wacom_wac)
3886 {
3887 	struct wacom_features *features = &wacom_wac->features;
3888 
3889 	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
3890 		features->device_type |= WACOM_DEVICETYPE_PAD;
3891 
3892 	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
3893 		return -ENODEV;
3894 
3895 	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
3896 		return -ENODEV;
3897 
3898 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3899 
3900 	/* kept for making legacy xf86-input-wacom working with the wheels */
3901 	__set_bit(ABS_MISC, input_dev->absbit);
3902 
3903 	/* kept for making legacy xf86-input-wacom accepting the pad */
3904 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
3905 	      input_dev->absinfo[ABS_X].maximum)))
3906 		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
3907 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
3908 	      input_dev->absinfo[ABS_Y].maximum)))
3909 		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
3910 
3911 	/* kept for making udev and libwacom accepting the pad */
3912 	__set_bit(BTN_STYLUS, input_dev->keybit);
3913 
3914 	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
3915 
3916 	switch (features->type) {
3917 
3918 	case CINTIQ_HYBRID:
3919 	case CINTIQ_COMPANION_2:
3920 	case DTK:
3921 	case DTUS:
3922 	case GRAPHIRE_BT:
3923 		break;
3924 
3925 	case WACOM_MO:
3926 		__set_bit(BTN_BACK, input_dev->keybit);
3927 		__set_bit(BTN_LEFT, input_dev->keybit);
3928 		__set_bit(BTN_FORWARD, input_dev->keybit);
3929 		__set_bit(BTN_RIGHT, input_dev->keybit);
3930 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3931 		break;
3932 
3933 	case WACOM_G4:
3934 		__set_bit(BTN_BACK, input_dev->keybit);
3935 		__set_bit(BTN_FORWARD, input_dev->keybit);
3936 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3937 		break;
3938 
3939 	case WACOM_24HD:
3940 		__set_bit(KEY_PROG1, input_dev->keybit);
3941 		__set_bit(KEY_PROG2, input_dev->keybit);
3942 		__set_bit(KEY_PROG3, input_dev->keybit);
3943 
3944 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3945 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
3946 		break;
3947 
3948 	case WACOM_27QHD:
3949 		__set_bit(KEY_PROG1, input_dev->keybit);
3950 		__set_bit(KEY_PROG2, input_dev->keybit);
3951 		__set_bit(KEY_PROG3, input_dev->keybit);
3952 		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
3953 		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
3954 		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
3955 		input_abs_set_res(input_dev, ABS_Y, 1024);
3956 		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
3957 		input_abs_set_res(input_dev, ABS_Z, 1024);
3958 		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
3959 		break;
3960 
3961 	case WACOM_22HD:
3962 		__set_bit(KEY_PROG1, input_dev->keybit);
3963 		__set_bit(KEY_PROG2, input_dev->keybit);
3964 		__set_bit(KEY_PROG3, input_dev->keybit);
3965 		/* fall through */
3966 
3967 	case WACOM_21UX2:
3968 	case WACOM_BEE:
3969 	case CINTIQ:
3970 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
3971 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
3972 		break;
3973 
3974 	case WACOM_13HD:
3975 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3976 		break;
3977 
3978 	case INTUOS3:
3979 	case INTUOS3L:
3980 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
3981 		/* fall through */
3982 
3983 	case INTUOS3S:
3984 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
3985 		break;
3986 
3987 	case INTUOS5:
3988 	case INTUOS5L:
3989 	case INTUOSPM:
3990 	case INTUOSPL:
3991 	case INTUOS5S:
3992 	case INTUOSPS:
3993 	case INTUOSP2_BT:
3994 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
3995 		break;
3996 
3997 	case INTUOS4WL:
3998 		/*
3999 		 * For Bluetooth devices, the udev rule does not work correctly
4000 		 * for pads unless we add a stylus capability, which forces
4001 		 * ID_INPUT_TABLET to be set.
4002 		 */
4003 		__set_bit(BTN_STYLUS, input_dev->keybit);
4004 		/* fall through */
4005 
4006 	case INTUOS4:
4007 	case INTUOS4L:
4008 	case INTUOS4S:
4009 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4010 		break;
4011 
4012 	case INTUOSHT:
4013 	case BAMBOO_PT:
4014 	case BAMBOO_TOUCH:
4015 	case INTUOSHT2:
4016 		__clear_bit(ABS_MISC, input_dev->absbit);
4017 
4018 		__set_bit(BTN_LEFT, input_dev->keybit);
4019 		__set_bit(BTN_FORWARD, input_dev->keybit);
4020 		__set_bit(BTN_BACK, input_dev->keybit);
4021 		__set_bit(BTN_RIGHT, input_dev->keybit);
4022 
4023 		break;
4024 
4025 	case REMOTE:
4026 		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4027 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4028 		break;
4029 
4030 	case INTUOSHT3_BT:
4031 	case HID_GENERIC:
4032 		break;
4033 
4034 	default:
4035 		/* no pad supported */
4036 		return -ENODEV;
4037 	}
4038 	return 0;
4039 }
4040 
4041 static const struct wacom_features wacom_features_0x00 =
4042 	{ "Wacom Penpartner", 5040, 3780, 255, 0,
4043 	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4044 static const struct wacom_features wacom_features_0x10 =
4045 	{ "Wacom Graphire", 10206, 7422, 511, 63,
4046 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4047 static const struct wacom_features wacom_features_0x81 =
4048 	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
4049 	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4050 static const struct wacom_features wacom_features_0x11 =
4051 	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4052 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4053 static const struct wacom_features wacom_features_0x12 =
4054 	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4055 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4056 static const struct wacom_features wacom_features_0x13 =
4057 	{ "Wacom Graphire3", 10208, 7424, 511, 63,
4058 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4059 static const struct wacom_features wacom_features_0x14 =
4060 	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4061 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4062 static const struct wacom_features wacom_features_0x15 =
4063 	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4064 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4065 static const struct wacom_features wacom_features_0x16 =
4066 	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4067 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4068 static const struct wacom_features wacom_features_0x17 =
4069 	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4070 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4071 static const struct wacom_features wacom_features_0x18 =
4072 	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4073 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4074 static const struct wacom_features wacom_features_0x19 =
4075 	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4076 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4077 static const struct wacom_features wacom_features_0x60 =
4078 	{ "Wacom Volito", 5104, 3712, 511, 63,
4079 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4080 static const struct wacom_features wacom_features_0x61 =
4081 	{ "Wacom PenStation2", 3250, 2320, 255, 63,
4082 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4083 static const struct wacom_features wacom_features_0x62 =
4084 	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4085 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4086 static const struct wacom_features wacom_features_0x63 =
4087 	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4088 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4089 static const struct wacom_features wacom_features_0x64 =
4090 	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
4091 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4092 static const struct wacom_features wacom_features_0x65 =
4093 	{ "Wacom Bamboo", 14760, 9225, 511, 63,
4094 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4095 static const struct wacom_features wacom_features_0x69 =
4096 	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
4097 	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4098 static const struct wacom_features wacom_features_0x6A =
4099 	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4100 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4101 static const struct wacom_features wacom_features_0x6B =
4102 	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4103 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4104 static const struct wacom_features wacom_features_0x20 =
4105 	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4106 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4107 static const struct wacom_features wacom_features_0x21 =
4108 	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4109 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4110 static const struct wacom_features wacom_features_0x22 =
4111 	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4112 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4113 static const struct wacom_features wacom_features_0x23 =
4114 	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4115 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4116 static const struct wacom_features wacom_features_0x24 =
4117 	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4118 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4119 static const struct wacom_features wacom_features_0x30 =
4120 	{ "Wacom PL400", 5408, 4056, 255, 0,
4121 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4122 static const struct wacom_features wacom_features_0x31 =
4123 	{ "Wacom PL500", 6144, 4608, 255, 0,
4124 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4125 static const struct wacom_features wacom_features_0x32 =
4126 	{ "Wacom PL600", 6126, 4604, 255, 0,
4127 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4128 static const struct wacom_features wacom_features_0x33 =
4129 	{ "Wacom PL600SX", 6260, 5016, 255, 0,
4130 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4131 static const struct wacom_features wacom_features_0x34 =
4132 	{ "Wacom PL550", 6144, 4608, 511, 0,
4133 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4134 static const struct wacom_features wacom_features_0x35 =
4135 	{ "Wacom PL800", 7220, 5780, 511, 0,
4136 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4137 static const struct wacom_features wacom_features_0x37 =
4138 	{ "Wacom PL700", 6758, 5406, 511, 0,
4139 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4140 static const struct wacom_features wacom_features_0x38 =
4141 	{ "Wacom PL510", 6282, 4762, 511, 0,
4142 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4143 static const struct wacom_features wacom_features_0x39 =
4144 	{ "Wacom DTU710", 34080, 27660, 511, 0,
4145 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4146 static const struct wacom_features wacom_features_0xC4 =
4147 	{ "Wacom DTF521", 6282, 4762, 511, 0,
4148 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4149 static const struct wacom_features wacom_features_0xC0 =
4150 	{ "Wacom DTF720", 6858, 5506, 511, 0,
4151 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4152 static const struct wacom_features wacom_features_0xC2 =
4153 	{ "Wacom DTF720a", 6858, 5506, 511, 0,
4154 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4155 static const struct wacom_features wacom_features_0x03 =
4156 	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4157 	  PTU, WACOM_PL_RES, WACOM_PL_RES };
4158 static const struct wacom_features wacom_features_0x41 =
4159 	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4160 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4161 static const struct wacom_features wacom_features_0x42 =
4162 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4163 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4164 static const struct wacom_features wacom_features_0x43 =
4165 	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4166 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4167 static const struct wacom_features wacom_features_0x44 =
4168 	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4169 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4170 static const struct wacom_features wacom_features_0x45 =
4171 	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4172 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4173 static const struct wacom_features wacom_features_0xB0 =
4174 	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4175 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4176 static const struct wacom_features wacom_features_0xB1 =
4177 	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4178 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4179 static const struct wacom_features wacom_features_0xB2 =
4180 	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4181 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4182 static const struct wacom_features wacom_features_0xB3 =
4183 	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4184 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4185 static const struct wacom_features wacom_features_0xB4 =
4186 	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4187 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4188 static const struct wacom_features wacom_features_0xB5 =
4189 	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4190 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4191 static const struct wacom_features wacom_features_0xB7 =
4192 	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4193 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4194 static const struct wacom_features wacom_features_0xB8 =
4195 	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4196 	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4197 static const struct wacom_features wacom_features_0xB9 =
4198 	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4199 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4200 static const struct wacom_features wacom_features_0xBA =
4201 	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4202 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4203 static const struct wacom_features wacom_features_0xBB =
4204 	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4205 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4206 static const struct wacom_features wacom_features_0xBC =
4207 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4208 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4209 static const struct wacom_features wacom_features_0xBD =
4210 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4211 	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4212 static const struct wacom_features wacom_features_0x26 =
4213 	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4214 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4215 static const struct wacom_features wacom_features_0x27 =
4216 	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4217 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4218 static const struct wacom_features wacom_features_0x28 =
4219 	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4220 	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4221 static const struct wacom_features wacom_features_0x29 =
4222 	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4223 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4224 static const struct wacom_features wacom_features_0x2A =
4225 	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4226 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4227 static const struct wacom_features wacom_features_0x314 =
4228 	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4229 	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4230 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4231 static const struct wacom_features wacom_features_0x315 =
4232 	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4233 	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4234 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4235 static const struct wacom_features wacom_features_0x317 =
4236 	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4237 	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4238 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4239 static const struct wacom_features wacom_features_0xF4 =
4240 	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4241 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4242 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4243 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4244 static const struct wacom_features wacom_features_0xF8 =
4245 	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4246 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4247 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4248 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4249 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4250 static const struct wacom_features wacom_features_0xF6 =
4251 	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4252 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4253 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4254 static const struct wacom_features wacom_features_0x32A =
4255 	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4256 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4257 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4258 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4259 static const struct wacom_features wacom_features_0x32B =
4260 	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4261 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4262 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4263 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4264 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4265 static const struct wacom_features wacom_features_0x32C =
4266 	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4267 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4268 static const struct wacom_features wacom_features_0x3F =
4269 	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4270 	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4271 static const struct wacom_features wacom_features_0xC5 =
4272 	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4273 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4274 static const struct wacom_features wacom_features_0xC6 =
4275 	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4276 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4277 static const struct wacom_features wacom_features_0x304 =
4278 	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4279 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4280 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4281 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4282 static const struct wacom_features wacom_features_0x333 =
4283 	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4284 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4285 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4286 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4287 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4288 static const struct wacom_features wacom_features_0x335 =
4289 	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4290 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4291 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4292 static const struct wacom_features wacom_features_0xC7 =
4293 	{ "Wacom DTU1931", 37832, 30305, 511, 0,
4294 	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4295 static const struct wacom_features wacom_features_0xCE =
4296 	{ "Wacom DTU2231", 47864, 27011, 511, 0,
4297 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4298 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4299 static const struct wacom_features wacom_features_0xF0 =
4300 	{ "Wacom DTU1631", 34623, 19553, 511, 0,
4301 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4302 static const struct wacom_features wacom_features_0xFB =
4303 	{ "Wacom DTU1031", 22096, 13960, 511, 0,
4304 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4305 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4306 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4307 static const struct wacom_features wacom_features_0x32F =
4308 	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
4309 	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4310 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4311 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4312 static const struct wacom_features wacom_features_0x336 =
4313 	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
4314 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4315 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4316 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4317 static const struct wacom_features wacom_features_0x57 =
4318 	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
4319 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4320 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4321 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4322 static const struct wacom_features wacom_features_0x59 = /* Pen */
4323 	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
4324 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4325 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4326 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4327 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4328 static const struct wacom_features wacom_features_0x5D = /* Touch */
4329 	{ "Wacom DTH2242",       .type = WACOM_24HDT,
4330 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4331 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4332 static const struct wacom_features wacom_features_0xCC =
4333 	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4334 	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4335 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4336 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4337 static const struct wacom_features wacom_features_0xFA =
4338 	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4339 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4340 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4341 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4342 static const struct wacom_features wacom_features_0x5B =
4343 	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4344 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4345 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4346 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4347 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4348 static const struct wacom_features wacom_features_0x5E =
4349 	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4350 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4351 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4352 static const struct wacom_features wacom_features_0x90 =
4353 	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
4354 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4355 static const struct wacom_features wacom_features_0x93 =
4356 	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4357 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4358 static const struct wacom_features wacom_features_0x97 =
4359 	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4360 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4361 static const struct wacom_features wacom_features_0x9A =
4362 	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4363 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4364 static const struct wacom_features wacom_features_0x9F =
4365 	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4366 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4367 static const struct wacom_features wacom_features_0xE2 =
4368 	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4369 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4370 static const struct wacom_features wacom_features_0xE3 =
4371 	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4372 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4373 static const struct wacom_features wacom_features_0xE5 =
4374 	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4375 	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4376 static const struct wacom_features wacom_features_0xE6 =
4377 	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4378 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4379 static const struct wacom_features wacom_features_0xEC =
4380 	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4381 	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4382 static const struct wacom_features wacom_features_0xED =
4383 	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4384 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4385 static const struct wacom_features wacom_features_0xEF =
4386 	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4387 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4388 static const struct wacom_features wacom_features_0x100 =
4389 	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4390 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4391 static const struct wacom_features wacom_features_0x101 =
4392 	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4393 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4394 static const struct wacom_features wacom_features_0x10D =
4395 	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4396 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4397 static const struct wacom_features wacom_features_0x10E =
4398 	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4399 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4400 static const struct wacom_features wacom_features_0x10F =
4401 	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4402 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4403 static const struct wacom_features wacom_features_0x116 =
4404 	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4405 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4406 static const struct wacom_features wacom_features_0x12C =
4407 	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4408 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4409 static const struct wacom_features wacom_features_0x4001 =
4410 	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4411 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4412 static const struct wacom_features wacom_features_0x4004 =
4413 	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4414 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4415 static const struct wacom_features wacom_features_0x5000 =
4416 	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4417 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4418 static const struct wacom_features wacom_features_0x5002 =
4419 	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4420 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4421 static const struct wacom_features wacom_features_0x47 =
4422 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4423 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4424 static const struct wacom_features wacom_features_0x84 =
4425 	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4426 static const struct wacom_features wacom_features_0xD0 =
4427 	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4428 	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4429 static const struct wacom_features wacom_features_0xD1 =
4430 	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4431 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4432 static const struct wacom_features wacom_features_0xD2 =
4433 	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4434 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4435 static const struct wacom_features wacom_features_0xD3 =
4436 	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4437 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4438 static const struct wacom_features wacom_features_0xD4 =
4439 	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4440 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4441 static const struct wacom_features wacom_features_0xD5 =
4442 	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4443 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4444 static const struct wacom_features wacom_features_0xD6 =
4445 	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4446 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4447 static const struct wacom_features wacom_features_0xD7 =
4448 	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4449 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4450 static const struct wacom_features wacom_features_0xD8 =
4451 	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4452 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4453 static const struct wacom_features wacom_features_0xDA =
4454 	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4455 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4456 static const struct wacom_features wacom_features_0xDB =
4457 	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4458 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4459 static const struct wacom_features wacom_features_0xDD =
4460         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4461           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4462 static const struct wacom_features wacom_features_0xDE =
4463         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4464 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4465 static const struct wacom_features wacom_features_0xDF =
4466         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4467 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4468 static const struct wacom_features wacom_features_0x300 =
4469 	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4470 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4471 static const struct wacom_features wacom_features_0x301 =
4472 	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4473 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4474 static const struct wacom_features wacom_features_0x302 =
4475 	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4476 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4477 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4478 static const struct wacom_features wacom_features_0x303 =
4479 	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4480 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4481 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4482 static const struct wacom_features wacom_features_0x30E =
4483 	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4484 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4485 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4486 static const struct wacom_features wacom_features_0x6004 =
4487 	{ "ISD-V4", 12800, 8000, 255, 0,
4488 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4489 static const struct wacom_features wacom_features_0x307 =
4490 	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4491 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4492 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4493 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4494 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4495 static const struct wacom_features wacom_features_0x309 =
4496 	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4497 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4498 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4499 static const struct wacom_features wacom_features_0x30A =
4500 	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4501 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4502 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4503 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4504 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4505 static const struct wacom_features wacom_features_0x30C =
4506 	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4507 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4508 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4509 static const struct wacom_features wacom_features_0x318 =
4510 	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4511 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4512 static const struct wacom_features wacom_features_0x319 =
4513 	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4514 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4515 static const struct wacom_features wacom_features_0x325 =
4516 	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4517 	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4518 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4519 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4520 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4521 static const struct wacom_features wacom_features_0x326 = /* Touch */
4522 	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4523 	  .oPid = 0x325 };
4524 static const struct wacom_features wacom_features_0x323 =
4525 	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4526 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4527 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4528 static const struct wacom_features wacom_features_0x331 =
4529 	{ "Wacom Express Key Remote", .type = REMOTE,
4530 	  .numbered_buttons = 18, .check_for_hid_type = true,
4531 	  .hid_type = HID_TYPE_USBNONE };
4532 static const struct wacom_features wacom_features_0x33B =
4533 	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4534 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4535 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4536 static const struct wacom_features wacom_features_0x33C =
4537 	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4538 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4539 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4540 static const struct wacom_features wacom_features_0x33D =
4541 	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4542 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4543 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4544 static const struct wacom_features wacom_features_0x33E =
4545 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4546 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4547 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4548 static const struct wacom_features wacom_features_0x343 =
4549 	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4550 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4551 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4552 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4553 static const struct wacom_features wacom_features_0x360 =
4554 	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4555 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4556 static const struct wacom_features wacom_features_0x361 =
4557 	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4558 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4559 static const struct wacom_features wacom_features_0x377 =
4560 	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4561 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4562 static const struct wacom_features wacom_features_0x379 =
4563 	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4564 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4565 static const struct wacom_features wacom_features_0x37A =
4566 	{ "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4567 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4568 static const struct wacom_features wacom_features_0x37B =
4569 	{ "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4570 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4571 
4572 static const struct wacom_features wacom_features_HID_ANY_ID =
4573 	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4574 
4575 #define USB_DEVICE_WACOM(prod)						\
4576 	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4577 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4578 
4579 #define BT_DEVICE_WACOM(prod)						\
4580 	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4581 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4582 
4583 #define I2C_DEVICE_WACOM(prod)						\
4584 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4585 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4586 
4587 #define USB_DEVICE_LENOVO(prod)					\
4588 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4589 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4590 
4591 const struct hid_device_id wacom_ids[] = {
4592 	{ USB_DEVICE_WACOM(0x00) },
4593 	{ USB_DEVICE_WACOM(0x03) },
4594 	{ USB_DEVICE_WACOM(0x10) },
4595 	{ USB_DEVICE_WACOM(0x11) },
4596 	{ USB_DEVICE_WACOM(0x12) },
4597 	{ USB_DEVICE_WACOM(0x13) },
4598 	{ USB_DEVICE_WACOM(0x14) },
4599 	{ USB_DEVICE_WACOM(0x15) },
4600 	{ USB_DEVICE_WACOM(0x16) },
4601 	{ USB_DEVICE_WACOM(0x17) },
4602 	{ USB_DEVICE_WACOM(0x18) },
4603 	{ USB_DEVICE_WACOM(0x19) },
4604 	{ USB_DEVICE_WACOM(0x20) },
4605 	{ USB_DEVICE_WACOM(0x21) },
4606 	{ USB_DEVICE_WACOM(0x22) },
4607 	{ USB_DEVICE_WACOM(0x23) },
4608 	{ USB_DEVICE_WACOM(0x24) },
4609 	{ USB_DEVICE_WACOM(0x26) },
4610 	{ USB_DEVICE_WACOM(0x27) },
4611 	{ USB_DEVICE_WACOM(0x28) },
4612 	{ USB_DEVICE_WACOM(0x29) },
4613 	{ USB_DEVICE_WACOM(0x2A) },
4614 	{ USB_DEVICE_WACOM(0x30) },
4615 	{ USB_DEVICE_WACOM(0x31) },
4616 	{ USB_DEVICE_WACOM(0x32) },
4617 	{ USB_DEVICE_WACOM(0x33) },
4618 	{ USB_DEVICE_WACOM(0x34) },
4619 	{ USB_DEVICE_WACOM(0x35) },
4620 	{ USB_DEVICE_WACOM(0x37) },
4621 	{ USB_DEVICE_WACOM(0x38) },
4622 	{ USB_DEVICE_WACOM(0x39) },
4623 	{ USB_DEVICE_WACOM(0x3F) },
4624 	{ USB_DEVICE_WACOM(0x41) },
4625 	{ USB_DEVICE_WACOM(0x42) },
4626 	{ USB_DEVICE_WACOM(0x43) },
4627 	{ USB_DEVICE_WACOM(0x44) },
4628 	{ USB_DEVICE_WACOM(0x45) },
4629 	{ USB_DEVICE_WACOM(0x47) },
4630 	{ USB_DEVICE_WACOM(0x57) },
4631 	{ USB_DEVICE_WACOM(0x59) },
4632 	{ USB_DEVICE_WACOM(0x5B) },
4633 	{ USB_DEVICE_WACOM(0x5D) },
4634 	{ USB_DEVICE_WACOM(0x5E) },
4635 	{ USB_DEVICE_WACOM(0x60) },
4636 	{ USB_DEVICE_WACOM(0x61) },
4637 	{ USB_DEVICE_WACOM(0x62) },
4638 	{ USB_DEVICE_WACOM(0x63) },
4639 	{ USB_DEVICE_WACOM(0x64) },
4640 	{ USB_DEVICE_WACOM(0x65) },
4641 	{ USB_DEVICE_WACOM(0x69) },
4642 	{ USB_DEVICE_WACOM(0x6A) },
4643 	{ USB_DEVICE_WACOM(0x6B) },
4644 	{ BT_DEVICE_WACOM(0x81) },
4645 	{ USB_DEVICE_WACOM(0x84) },
4646 	{ USB_DEVICE_WACOM(0x90) },
4647 	{ USB_DEVICE_WACOM(0x93) },
4648 	{ USB_DEVICE_WACOM(0x97) },
4649 	{ USB_DEVICE_WACOM(0x9A) },
4650 	{ USB_DEVICE_WACOM(0x9F) },
4651 	{ USB_DEVICE_WACOM(0xB0) },
4652 	{ USB_DEVICE_WACOM(0xB1) },
4653 	{ USB_DEVICE_WACOM(0xB2) },
4654 	{ USB_DEVICE_WACOM(0xB3) },
4655 	{ USB_DEVICE_WACOM(0xB4) },
4656 	{ USB_DEVICE_WACOM(0xB5) },
4657 	{ USB_DEVICE_WACOM(0xB7) },
4658 	{ USB_DEVICE_WACOM(0xB8) },
4659 	{ USB_DEVICE_WACOM(0xB9) },
4660 	{ USB_DEVICE_WACOM(0xBA) },
4661 	{ USB_DEVICE_WACOM(0xBB) },
4662 	{ USB_DEVICE_WACOM(0xBC) },
4663 	{ BT_DEVICE_WACOM(0xBD) },
4664 	{ USB_DEVICE_WACOM(0xC0) },
4665 	{ USB_DEVICE_WACOM(0xC2) },
4666 	{ USB_DEVICE_WACOM(0xC4) },
4667 	{ USB_DEVICE_WACOM(0xC5) },
4668 	{ USB_DEVICE_WACOM(0xC6) },
4669 	{ USB_DEVICE_WACOM(0xC7) },
4670 	{ USB_DEVICE_WACOM(0xCC) },
4671 	{ USB_DEVICE_WACOM(0xCE) },
4672 	{ USB_DEVICE_WACOM(0xD0) },
4673 	{ USB_DEVICE_WACOM(0xD1) },
4674 	{ USB_DEVICE_WACOM(0xD2) },
4675 	{ USB_DEVICE_WACOM(0xD3) },
4676 	{ USB_DEVICE_WACOM(0xD4) },
4677 	{ USB_DEVICE_WACOM(0xD5) },
4678 	{ USB_DEVICE_WACOM(0xD6) },
4679 	{ USB_DEVICE_WACOM(0xD7) },
4680 	{ USB_DEVICE_WACOM(0xD8) },
4681 	{ USB_DEVICE_WACOM(0xDA) },
4682 	{ USB_DEVICE_WACOM(0xDB) },
4683 	{ USB_DEVICE_WACOM(0xDD) },
4684 	{ USB_DEVICE_WACOM(0xDE) },
4685 	{ USB_DEVICE_WACOM(0xDF) },
4686 	{ USB_DEVICE_WACOM(0xE2) },
4687 	{ USB_DEVICE_WACOM(0xE3) },
4688 	{ USB_DEVICE_WACOM(0xE5) },
4689 	{ USB_DEVICE_WACOM(0xE6) },
4690 	{ USB_DEVICE_WACOM(0xEC) },
4691 	{ USB_DEVICE_WACOM(0xED) },
4692 	{ USB_DEVICE_WACOM(0xEF) },
4693 	{ USB_DEVICE_WACOM(0xF0) },
4694 	{ USB_DEVICE_WACOM(0xF4) },
4695 	{ USB_DEVICE_WACOM(0xF6) },
4696 	{ USB_DEVICE_WACOM(0xF8) },
4697 	{ USB_DEVICE_WACOM(0xFA) },
4698 	{ USB_DEVICE_WACOM(0xFB) },
4699 	{ USB_DEVICE_WACOM(0x100) },
4700 	{ USB_DEVICE_WACOM(0x101) },
4701 	{ USB_DEVICE_WACOM(0x10D) },
4702 	{ USB_DEVICE_WACOM(0x10E) },
4703 	{ USB_DEVICE_WACOM(0x10F) },
4704 	{ USB_DEVICE_WACOM(0x116) },
4705 	{ USB_DEVICE_WACOM(0x12C) },
4706 	{ USB_DEVICE_WACOM(0x300) },
4707 	{ USB_DEVICE_WACOM(0x301) },
4708 	{ USB_DEVICE_WACOM(0x302) },
4709 	{ USB_DEVICE_WACOM(0x303) },
4710 	{ USB_DEVICE_WACOM(0x304) },
4711 	{ USB_DEVICE_WACOM(0x307) },
4712 	{ USB_DEVICE_WACOM(0x309) },
4713 	{ USB_DEVICE_WACOM(0x30A) },
4714 	{ USB_DEVICE_WACOM(0x30C) },
4715 	{ USB_DEVICE_WACOM(0x30E) },
4716 	{ USB_DEVICE_WACOM(0x314) },
4717 	{ USB_DEVICE_WACOM(0x315) },
4718 	{ USB_DEVICE_WACOM(0x317) },
4719 	{ USB_DEVICE_WACOM(0x318) },
4720 	{ USB_DEVICE_WACOM(0x319) },
4721 	{ USB_DEVICE_WACOM(0x323) },
4722 	{ USB_DEVICE_WACOM(0x325) },
4723 	{ USB_DEVICE_WACOM(0x326) },
4724 	{ USB_DEVICE_WACOM(0x32A) },
4725 	{ USB_DEVICE_WACOM(0x32B) },
4726 	{ USB_DEVICE_WACOM(0x32C) },
4727 	{ USB_DEVICE_WACOM(0x32F) },
4728 	{ USB_DEVICE_WACOM(0x331) },
4729 	{ USB_DEVICE_WACOM(0x333) },
4730 	{ USB_DEVICE_WACOM(0x335) },
4731 	{ USB_DEVICE_WACOM(0x336) },
4732 	{ USB_DEVICE_WACOM(0x33B) },
4733 	{ USB_DEVICE_WACOM(0x33C) },
4734 	{ USB_DEVICE_WACOM(0x33D) },
4735 	{ USB_DEVICE_WACOM(0x33E) },
4736 	{ USB_DEVICE_WACOM(0x343) },
4737 	{ BT_DEVICE_WACOM(0x360) },
4738 	{ BT_DEVICE_WACOM(0x361) },
4739 	{ BT_DEVICE_WACOM(0x377) },
4740 	{ BT_DEVICE_WACOM(0x379) },
4741 	{ USB_DEVICE_WACOM(0x37A) },
4742 	{ USB_DEVICE_WACOM(0x37B) },
4743 	{ USB_DEVICE_WACOM(0x4001) },
4744 	{ USB_DEVICE_WACOM(0x4004) },
4745 	{ USB_DEVICE_WACOM(0x5000) },
4746 	{ USB_DEVICE_WACOM(0x5002) },
4747 	{ USB_DEVICE_LENOVO(0x6004) },
4748 
4749 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
4750 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
4751 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
4752 	{ }
4753 };
4754 MODULE_DEVICE_TABLE(hid, wacom_ids);
4755