xref: /openbmc/linux/drivers/hid/wacom_wac.c (revision 34fa67e7)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * drivers/input/tablet/wacom_wac.c
4  *
5  *  USB Wacom tablet support - Wacom specific code
6  */
7 
8 /*
9  */
10 
11 #include "wacom_wac.h"
12 #include "wacom.h"
13 #include <linux/input/mt.h>
14 
15 /* resolution for penabled devices */
16 #define WACOM_PL_RES		20
17 #define WACOM_PENPRTN_RES	40
18 #define WACOM_VOLITO_RES	50
19 #define WACOM_GRAPHIRE_RES	80
20 #define WACOM_INTUOS_RES	100
21 #define WACOM_INTUOS3_RES	200
22 
23 /* Newer Cintiq and DTU have an offset between tablet and screen areas */
24 #define WACOM_DTU_OFFSET	200
25 #define WACOM_CINTIQ_OFFSET	400
26 
27 /*
28  * Scale factor relating reported contact size to logical contact area.
29  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
30  */
31 #define WACOM_CONTACT_AREA_SCALE 2607
32 
33 static bool touch_arbitration = 1;
34 module_param(touch_arbitration, bool, 0644);
35 MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
36 
37 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
38 				int button_count, int mask);
39 
40 static int wacom_numbered_button_to_key(int n);
41 
42 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
43 			     int group);
44 /*
45  * Percent of battery capacity for Graphire.
46  * 8th value means AC online and show 100% capacity.
47  */
48 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
49 
50 /*
51  * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
52  */
53 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
54 
55 static void __wacom_notify_battery(struct wacom_battery *battery,
56 				   int bat_status, int bat_capacity,
57 				   bool bat_charging, bool bat_connected,
58 				   bool ps_connected)
59 {
60 	bool changed = battery->bat_status       != bat_status    ||
61 		       battery->battery_capacity != bat_capacity  ||
62 		       battery->bat_charging     != bat_charging  ||
63 		       battery->bat_connected    != bat_connected ||
64 		       battery->ps_connected     != ps_connected;
65 
66 	if (changed) {
67 		battery->bat_status = bat_status;
68 		battery->battery_capacity = bat_capacity;
69 		battery->bat_charging = bat_charging;
70 		battery->bat_connected = bat_connected;
71 		battery->ps_connected = ps_connected;
72 
73 		if (battery->battery)
74 			power_supply_changed(battery->battery);
75 	}
76 }
77 
78 static void wacom_notify_battery(struct wacom_wac *wacom_wac,
79 	int bat_status, int bat_capacity, bool bat_charging,
80 	bool bat_connected, bool ps_connected)
81 {
82 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
83 
84 	__wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
85 			       bat_charging, bat_connected, ps_connected);
86 }
87 
88 static int wacom_penpartner_irq(struct wacom_wac *wacom)
89 {
90 	unsigned char *data = wacom->data;
91 	struct input_dev *input = wacom->pen_input;
92 
93 	switch (data[0]) {
94 	case 1:
95 		if (data[5] & 0x80) {
96 			wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
97 			wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
98 			input_report_key(input, wacom->tool[0], 1);
99 			input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
100 			input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
101 			input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
102 			input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
103 			input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
104 			input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
105 		} else {
106 			input_report_key(input, wacom->tool[0], 0);
107 			input_report_abs(input, ABS_MISC, 0); /* report tool id */
108 			input_report_abs(input, ABS_PRESSURE, -1);
109 			input_report_key(input, BTN_TOUCH, 0);
110 		}
111 		break;
112 
113 	case 2:
114 		input_report_key(input, BTN_TOOL_PEN, 1);
115 		input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
116 		input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
117 		input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
118 		input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
119 		input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
120 		input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
121 		break;
122 
123 	default:
124 		dev_dbg(input->dev.parent,
125 			"%s: received unknown report #%d\n", __func__, data[0]);
126 		return 0;
127         }
128 
129 	return 1;
130 }
131 
132 static int wacom_pl_irq(struct wacom_wac *wacom)
133 {
134 	struct wacom_features *features = &wacom->features;
135 	unsigned char *data = wacom->data;
136 	struct input_dev *input = wacom->pen_input;
137 	int prox, pressure;
138 
139 	if (data[0] != WACOM_REPORT_PENABLED) {
140 		dev_dbg(input->dev.parent,
141 			"%s: received unknown report #%d\n", __func__, data[0]);
142 		return 0;
143 	}
144 
145 	prox = data[1] & 0x40;
146 
147 	if (!wacom->id[0]) {
148 		if ((data[0] & 0x10) || (data[4] & 0x20)) {
149 			wacom->tool[0] = BTN_TOOL_RUBBER;
150 			wacom->id[0] = ERASER_DEVICE_ID;
151 		}
152 		else {
153 			wacom->tool[0] = BTN_TOOL_PEN;
154 			wacom->id[0] = STYLUS_DEVICE_ID;
155 		}
156 	}
157 
158 	/* If the eraser is in prox, STYLUS2 is always set. If we
159 	 * mis-detected the type and notice that STYLUS2 isn't set
160 	 * then force the eraser out of prox and let the pen in.
161 	 */
162 	if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
163 		input_report_key(input, BTN_TOOL_RUBBER, 0);
164 		input_report_abs(input, ABS_MISC, 0);
165 		input_sync(input);
166 		wacom->tool[0] = BTN_TOOL_PEN;
167 		wacom->id[0] = STYLUS_DEVICE_ID;
168 	}
169 
170 	if (prox) {
171 		pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
172 		if (features->pressure_max > 255)
173 			pressure = (pressure << 1) | ((data[4] >> 6) & 1);
174 		pressure += (features->pressure_max + 1) / 2;
175 
176 		input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
177 		input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
178 		input_report_abs(input, ABS_PRESSURE, pressure);
179 
180 		input_report_key(input, BTN_TOUCH, data[4] & 0x08);
181 		input_report_key(input, BTN_STYLUS, data[4] & 0x10);
182 		/* Only allow the stylus2 button to be reported for the pen tool. */
183 		input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
184 	}
185 
186 	if (!prox)
187 		wacom->id[0] = 0;
188 	input_report_key(input, wacom->tool[0], prox);
189 	input_report_abs(input, ABS_MISC, wacom->id[0]);
190 	return 1;
191 }
192 
193 static int wacom_ptu_irq(struct wacom_wac *wacom)
194 {
195 	unsigned char *data = wacom->data;
196 	struct input_dev *input = wacom->pen_input;
197 
198 	if (data[0] != WACOM_REPORT_PENABLED) {
199 		dev_dbg(input->dev.parent,
200 			"%s: received unknown report #%d\n", __func__, data[0]);
201 		return 0;
202 	}
203 
204 	if (data[1] & 0x04) {
205 		input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
206 		input_report_key(input, BTN_TOUCH, data[1] & 0x08);
207 		wacom->id[0] = ERASER_DEVICE_ID;
208 	} else {
209 		input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
210 		input_report_key(input, BTN_TOUCH, data[1] & 0x01);
211 		wacom->id[0] = STYLUS_DEVICE_ID;
212 	}
213 	input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
214 	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
215 	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
216 	input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
217 	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
218 	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
219 	return 1;
220 }
221 
222 static int wacom_dtu_irq(struct wacom_wac *wacom)
223 {
224 	unsigned char *data = wacom->data;
225 	struct input_dev *input = wacom->pen_input;
226 	int prox = data[1] & 0x20;
227 
228 	dev_dbg(input->dev.parent,
229 		"%s: received report #%d", __func__, data[0]);
230 
231 	if (prox) {
232 		/* Going into proximity select tool */
233 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
234 		if (wacom->tool[0] == BTN_TOOL_PEN)
235 			wacom->id[0] = STYLUS_DEVICE_ID;
236 		else
237 			wacom->id[0] = ERASER_DEVICE_ID;
238 	}
239 	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
240 	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
241 	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
242 	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
243 	input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
244 	input_report_key(input, BTN_TOUCH, data[1] & 0x05);
245 	if (!prox) /* out-prox */
246 		wacom->id[0] = 0;
247 	input_report_key(input, wacom->tool[0], prox);
248 	input_report_abs(input, ABS_MISC, wacom->id[0]);
249 	return 1;
250 }
251 
252 static int wacom_dtus_irq(struct wacom_wac *wacom)
253 {
254 	unsigned char *data = wacom->data;
255 	struct input_dev *input = wacom->pen_input;
256 	unsigned short prox, pressure = 0;
257 
258 	if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
259 		dev_dbg(input->dev.parent,
260 			"%s: received unknown report #%d", __func__, data[0]);
261 		return 0;
262 	} else if (data[0] == WACOM_REPORT_DTUSPAD) {
263 		input = wacom->pad_input;
264 		input_report_key(input, BTN_0, (data[1] & 0x01));
265 		input_report_key(input, BTN_1, (data[1] & 0x02));
266 		input_report_key(input, BTN_2, (data[1] & 0x04));
267 		input_report_key(input, BTN_3, (data[1] & 0x08));
268 		input_report_abs(input, ABS_MISC,
269 				 data[1] & 0x0f ? PAD_DEVICE_ID : 0);
270 		return 1;
271 	} else {
272 		prox = data[1] & 0x80;
273 		if (prox) {
274 			switch ((data[1] >> 3) & 3) {
275 			case 1: /* Rubber */
276 				wacom->tool[0] = BTN_TOOL_RUBBER;
277 				wacom->id[0] = ERASER_DEVICE_ID;
278 				break;
279 
280 			case 2: /* Pen */
281 				wacom->tool[0] = BTN_TOOL_PEN;
282 				wacom->id[0] = STYLUS_DEVICE_ID;
283 				break;
284 			}
285 		}
286 
287 		input_report_key(input, BTN_STYLUS, data[1] & 0x20);
288 		input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
289 		input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
290 		input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
291 		pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
292 		input_report_abs(input, ABS_PRESSURE, pressure);
293 		input_report_key(input, BTN_TOUCH, pressure > 10);
294 
295 		if (!prox) /* out-prox */
296 			wacom->id[0] = 0;
297 		input_report_key(input, wacom->tool[0], prox);
298 		input_report_abs(input, ABS_MISC, wacom->id[0]);
299 		return 1;
300 	}
301 }
302 
303 static int wacom_graphire_irq(struct wacom_wac *wacom)
304 {
305 	struct wacom_features *features = &wacom->features;
306 	unsigned char *data = wacom->data;
307 	struct input_dev *input = wacom->pen_input;
308 	struct input_dev *pad_input = wacom->pad_input;
309 	int battery_capacity, ps_connected;
310 	int prox;
311 	int rw = 0;
312 	int retval = 0;
313 
314 	if (features->type == GRAPHIRE_BT) {
315 		if (data[0] != WACOM_REPORT_PENABLED_BT) {
316 			dev_dbg(input->dev.parent,
317 				"%s: received unknown report #%d\n", __func__,
318 				data[0]);
319 			goto exit;
320 		}
321 	} else if (data[0] != WACOM_REPORT_PENABLED) {
322 		dev_dbg(input->dev.parent,
323 			"%s: received unknown report #%d\n", __func__, data[0]);
324 		goto exit;
325 	}
326 
327 	prox = data[1] & 0x80;
328 	if (prox || wacom->id[0]) {
329 		if (prox) {
330 			switch ((data[1] >> 5) & 3) {
331 
332 			case 0:	/* Pen */
333 				wacom->tool[0] = BTN_TOOL_PEN;
334 				wacom->id[0] = STYLUS_DEVICE_ID;
335 				break;
336 
337 			case 1: /* Rubber */
338 				wacom->tool[0] = BTN_TOOL_RUBBER;
339 				wacom->id[0] = ERASER_DEVICE_ID;
340 				break;
341 
342 			case 2: /* Mouse with wheel */
343 				input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
344 				fallthrough;
345 
346 			case 3: /* Mouse without wheel */
347 				wacom->tool[0] = BTN_TOOL_MOUSE;
348 				wacom->id[0] = CURSOR_DEVICE_ID;
349 				break;
350 			}
351 		}
352 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
353 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
354 		if (wacom->tool[0] != BTN_TOOL_MOUSE) {
355 			if (features->type == GRAPHIRE_BT)
356 				input_report_abs(input, ABS_PRESSURE, data[6] |
357 					(((__u16) (data[1] & 0x08)) << 5));
358 			else
359 				input_report_abs(input, ABS_PRESSURE, data[6] |
360 					((data[7] & 0x03) << 8));
361 			input_report_key(input, BTN_TOUCH, data[1] & 0x01);
362 			input_report_key(input, BTN_STYLUS, data[1] & 0x02);
363 			input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
364 		} else {
365 			input_report_key(input, BTN_LEFT, data[1] & 0x01);
366 			input_report_key(input, BTN_RIGHT, data[1] & 0x02);
367 			if (features->type == WACOM_G4 ||
368 					features->type == WACOM_MO) {
369 				input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
370 				rw = (data[7] & 0x04) - (data[7] & 0x03);
371 			} else if (features->type == GRAPHIRE_BT) {
372 				/* Compute distance between mouse and tablet */
373 				rw = 44 - (data[6] >> 2);
374 				rw = clamp_val(rw, 0, 31);
375 				input_report_abs(input, ABS_DISTANCE, rw);
376 				if (((data[1] >> 5) & 3) == 2) {
377 					/* Mouse with wheel */
378 					input_report_key(input, BTN_MIDDLE,
379 							data[1] & 0x04);
380 					rw = (data[6] & 0x01) ? -1 :
381 						(data[6] & 0x02) ? 1 : 0;
382 				} else {
383 					rw = 0;
384 				}
385 			} else {
386 				input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
387 				rw = -(signed char)data[6];
388 			}
389 			input_report_rel(input, REL_WHEEL, rw);
390 		}
391 
392 		if (!prox)
393 			wacom->id[0] = 0;
394 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
395 		input_report_key(input, wacom->tool[0], prox);
396 		input_sync(input); /* sync last event */
397 	}
398 
399 	/* send pad data */
400 	switch (features->type) {
401 	case WACOM_G4:
402 		prox = data[7] & 0xf8;
403 		if (prox || wacom->id[1]) {
404 			wacom->id[1] = PAD_DEVICE_ID;
405 			input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
406 			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
407 			rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
408 			input_report_rel(pad_input, REL_WHEEL, rw);
409 			if (!prox)
410 				wacom->id[1] = 0;
411 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
412 			retval = 1;
413 		}
414 		break;
415 
416 	case WACOM_MO:
417 		prox = (data[7] & 0xf8) || data[8];
418 		if (prox || wacom->id[1]) {
419 			wacom->id[1] = PAD_DEVICE_ID;
420 			input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
421 			input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
422 			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
423 			input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
424 			input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
425 			if (!prox)
426 				wacom->id[1] = 0;
427 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
428 			retval = 1;
429 		}
430 		break;
431 	case GRAPHIRE_BT:
432 		prox = data[7] & 0x03;
433 		if (prox || wacom->id[1]) {
434 			wacom->id[1] = PAD_DEVICE_ID;
435 			input_report_key(pad_input, BTN_0, (data[7] & 0x02));
436 			input_report_key(pad_input, BTN_1, (data[7] & 0x01));
437 			if (!prox)
438 				wacom->id[1] = 0;
439 			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
440 			retval = 1;
441 		}
442 		break;
443 	}
444 
445 	/* Store current battery capacity and power supply state */
446 	if (features->type == GRAPHIRE_BT) {
447 		rw = (data[7] >> 2 & 0x07);
448 		battery_capacity = batcap_gr[rw];
449 		ps_connected = rw == 7;
450 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
451 				     battery_capacity, ps_connected, 1,
452 				     ps_connected);
453 	}
454 exit:
455 	return retval;
456 }
457 
458 static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
459 {
460 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
461 	struct wacom_features *features = &wacom_wac->features;
462 	struct hid_report *r;
463 	struct hid_report_enum *re;
464 
465 	re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
466 	if (features->type == INTUOSHT2)
467 		r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
468 	else
469 		r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
470 	if (r) {
471 		hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
472 	}
473 }
474 
475 static int wacom_intuos_pad(struct wacom_wac *wacom)
476 {
477 	struct wacom_features *features = &wacom->features;
478 	unsigned char *data = wacom->data;
479 	struct input_dev *input = wacom->pad_input;
480 	int i;
481 	int buttons = 0, nbuttons = features->numbered_buttons;
482 	int keys = 0, nkeys = 0;
483 	int ring1 = 0, ring2 = 0;
484 	int strip1 = 0, strip2 = 0;
485 	bool prox = false;
486 	bool wrench = false, keyboard = false, mute_touch = false, menu = false,
487 	     info = false;
488 
489 	/* pad packets. Works as a second tool and is always in prox */
490 	if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
491 	      data[0] == WACOM_REPORT_CINTIQPAD))
492 		return 0;
493 
494 	if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
495 		buttons = (data[3] << 1) | (data[2] & 0x01);
496 		ring1 = data[1];
497 	} else if (features->type == DTK) {
498 		buttons = data[6];
499 	} else if (features->type == WACOM_13HD) {
500 		buttons = (data[4] << 1) | (data[3] & 0x01);
501 	} else if (features->type == WACOM_24HD) {
502 		buttons = (data[8] << 8) | data[6];
503 		ring1 = data[1];
504 		ring2 = data[2];
505 
506 		/*
507 		 * Three "buttons" are available on the 24HD which are
508 		 * physically implemented as a touchstrip. Each button
509 		 * is approximately 3 bits wide with a 2 bit spacing.
510 		 * The raw touchstrip bits are stored at:
511 		 *    ((data[3] & 0x1f) << 8) | data[4])
512 		 */
513 		nkeys = 3;
514 		keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
515 		       ((data[4] & 0xE0) ? 1<<1 : 0) |
516 		       ((data[4] & 0x07) ? 1<<0 : 0);
517 		keyboard = !!(data[4] & 0xE0);
518 		info = !!(data[3] & 0x1C);
519 
520 		if (features->oPid) {
521 			mute_touch = !!(data[4] & 0x07);
522 			if (mute_touch)
523 				wacom->shared->is_touch_on =
524 					!wacom->shared->is_touch_on;
525 		} else {
526 			wrench = !!(data[4] & 0x07);
527 		}
528 	} else if (features->type == WACOM_27QHD) {
529 		nkeys = 3;
530 		keys = data[2] & 0x07;
531 
532 		wrench = !!(data[2] & 0x01);
533 		keyboard = !!(data[2] & 0x02);
534 
535 		if (features->oPid) {
536 			mute_touch = !!(data[2] & 0x04);
537 			if (mute_touch)
538 				wacom->shared->is_touch_on =
539 					!wacom->shared->is_touch_on;
540 		} else {
541 			menu = !!(data[2] & 0x04);
542 		}
543 		input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
544 		input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
545 		input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
546 	} else if (features->type == CINTIQ_HYBRID) {
547 		/*
548 		 * Do not send hardware buttons under Android. They
549 		 * are already sent to the system through GPIO (and
550 		 * have different meaning).
551 		 *
552 		 * d-pad right  -> data[4] & 0x10
553 		 * d-pad up     -> data[4] & 0x20
554 		 * d-pad left   -> data[4] & 0x40
555 		 * d-pad down   -> data[4] & 0x80
556 		 * d-pad center -> data[3] & 0x01
557 		 */
558 		buttons = (data[4] << 1) | (data[3] & 0x01);
559 	} else if (features->type == CINTIQ_COMPANION_2) {
560 		/* d-pad right  -> data[2] & 0x10
561 		 * d-pad up     -> data[2] & 0x20
562 		 * d-pad left   -> data[2] & 0x40
563 		 * d-pad down   -> data[2] & 0x80
564 		 * d-pad center -> data[1] & 0x01
565 		 */
566 		buttons = ((data[2] >> 4) << 7) |
567 		          ((data[1] & 0x04) << 4) |
568 		          ((data[2] & 0x0F) << 2) |
569 		          (data[1] & 0x03);
570 	} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
571 		/*
572 		 * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
573 		 * addition to the mechanical switch. Switch data is
574 		 * stored in data[4], capacitive data in data[5].
575 		 *
576 		 * Touch ring mode switch (data[3]) has no capacitive sensor
577 		 */
578 		buttons = (data[4] << 1) | (data[3] & 0x01);
579 		ring1 = data[2];
580 	} else {
581 		if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
582 			buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
583 			          (data[6] << 1) | (data[5] & 0x01);
584 
585 			if (features->type == WACOM_22HD) {
586 				nkeys = 3;
587 				keys = data[9] & 0x07;
588 
589 				info = !!(data[9] & 0x01);
590 				wrench = !!(data[9] & 0x02);
591 			}
592 		} else {
593 			buttons = ((data[6] & 0x10) << 5)  |
594 			          ((data[5] & 0x10) << 4)  |
595 			          ((data[6] & 0x0F) << 4)  |
596 			          (data[5] & 0x0F);
597 		}
598 		strip1 = ((data[1] & 0x1f) << 8) | data[2];
599 		strip2 = ((data[3] & 0x1f) << 8) | data[4];
600 	}
601 
602 	prox = (buttons & ~(~0U << nbuttons)) | (keys & ~(~0U << nkeys)) |
603 	       (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
604 
605 	wacom_report_numbered_buttons(input, nbuttons, buttons);
606 
607 	for (i = 0; i < nkeys; i++)
608 		input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
609 
610 	input_report_key(input, KEY_BUTTONCONFIG, wrench);
611 	input_report_key(input, KEY_ONSCREEN_KEYBOARD, keyboard);
612 	input_report_key(input, KEY_CONTROLPANEL, menu);
613 	input_report_key(input, KEY_INFO, info);
614 
615 	if (wacom->shared && wacom->shared->touch_input) {
616 		input_report_switch(wacom->shared->touch_input,
617 				    SW_MUTE_DEVICE,
618 				    !wacom->shared->is_touch_on);
619 		input_sync(wacom->shared->touch_input);
620 	}
621 
622 	input_report_abs(input, ABS_RX, strip1);
623 	input_report_abs(input, ABS_RY, strip2);
624 
625 	input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
626 	input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
627 
628 	input_report_key(input, wacom->tool[1], prox ? 1 : 0);
629 	input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
630 
631 	input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
632 
633 	return 1;
634 }
635 
636 static int wacom_intuos_id_mangle(int tool_id)
637 {
638 	return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
639 }
640 
641 static int wacom_intuos_get_tool_type(int tool_id)
642 {
643 	int tool_type;
644 
645 	switch (tool_id) {
646 	case 0x812: /* Inking pen */
647 	case 0x801: /* Intuos3 Inking pen */
648 	case 0x12802: /* Intuos4/5 Inking Pen */
649 	case 0x012:
650 		tool_type = BTN_TOOL_PENCIL;
651 		break;
652 
653 	case 0x822: /* Pen */
654 	case 0x842:
655 	case 0x852:
656 	case 0x823: /* Intuos3 Grip Pen */
657 	case 0x813: /* Intuos3 Classic Pen */
658 	case 0x885: /* Intuos3 Marker Pen */
659 	case 0x802: /* Intuos4/5 13HD/24HD General Pen */
660 	case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
661 	case 0x8e2: /* IntuosHT2 pen */
662 	case 0x022:
663 	case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
664 	case 0x10842: /* MobileStudio Pro Pro Pen slim */
665 	case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
666 	case 0x16802: /* Cintiq 13HD Pro Pen */
667 	case 0x18802: /* DTH2242 Pen */
668 	case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
669 		tool_type = BTN_TOOL_PEN;
670 		break;
671 
672 	case 0x832: /* Stroke pen */
673 	case 0x032:
674 		tool_type = BTN_TOOL_BRUSH;
675 		break;
676 
677 	case 0x007: /* Mouse 4D and 2D */
678 	case 0x09c:
679 	case 0x094:
680 	case 0x017: /* Intuos3 2D Mouse */
681 	case 0x806: /* Intuos4 Mouse */
682 		tool_type = BTN_TOOL_MOUSE;
683 		break;
684 
685 	case 0x096: /* Lens cursor */
686 	case 0x097: /* Intuos3 Lens cursor */
687 	case 0x006: /* Intuos4 Lens cursor */
688 		tool_type = BTN_TOOL_LENS;
689 		break;
690 
691 	case 0x82a: /* Eraser */
692 	case 0x84a:
693 	case 0x85a:
694 	case 0x91a:
695 	case 0xd1a:
696 	case 0x0fa:
697 	case 0x82b: /* Intuos3 Grip Pen Eraser */
698 	case 0x81b: /* Intuos3 Classic Pen Eraser */
699 	case 0x91b: /* Intuos3 Airbrush Eraser */
700 	case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
701 	case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
702 	case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
703 	case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
704 	case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
705 	case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
706 	case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
707 	case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
708 	case 0x1880a: /* DTH2242 Eraser */
709 	case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
710 		tool_type = BTN_TOOL_RUBBER;
711 		break;
712 
713 	case 0xd12:
714 	case 0x912:
715 	case 0x112:
716 	case 0x913: /* Intuos3 Airbrush */
717 	case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
718 	case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
719 		tool_type = BTN_TOOL_AIRBRUSH;
720 		break;
721 
722 	default: /* Unknown tool */
723 		tool_type = BTN_TOOL_PEN;
724 		break;
725 	}
726 	return tool_type;
727 }
728 
729 static void wacom_exit_report(struct wacom_wac *wacom)
730 {
731 	struct input_dev *input = wacom->pen_input;
732 	struct wacom_features *features = &wacom->features;
733 	unsigned char *data = wacom->data;
734 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
735 
736 	/*
737 	 * Reset all states otherwise we lose the initial states
738 	 * when in-prox next time
739 	 */
740 	input_report_abs(input, ABS_X, 0);
741 	input_report_abs(input, ABS_Y, 0);
742 	input_report_abs(input, ABS_DISTANCE, 0);
743 	input_report_abs(input, ABS_TILT_X, 0);
744 	input_report_abs(input, ABS_TILT_Y, 0);
745 	if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
746 		input_report_key(input, BTN_LEFT, 0);
747 		input_report_key(input, BTN_MIDDLE, 0);
748 		input_report_key(input, BTN_RIGHT, 0);
749 		input_report_key(input, BTN_SIDE, 0);
750 		input_report_key(input, BTN_EXTRA, 0);
751 		input_report_abs(input, ABS_THROTTLE, 0);
752 		input_report_abs(input, ABS_RZ, 0);
753 	} else {
754 		input_report_abs(input, ABS_PRESSURE, 0);
755 		input_report_key(input, BTN_STYLUS, 0);
756 		input_report_key(input, BTN_STYLUS2, 0);
757 		input_report_key(input, BTN_TOUCH, 0);
758 		input_report_abs(input, ABS_WHEEL, 0);
759 		if (features->type >= INTUOS3S)
760 			input_report_abs(input, ABS_Z, 0);
761 	}
762 	input_report_key(input, wacom->tool[idx], 0);
763 	input_report_abs(input, ABS_MISC, 0); /* reset tool id */
764 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
765 	wacom->id[idx] = 0;
766 }
767 
768 static int wacom_intuos_inout(struct wacom_wac *wacom)
769 {
770 	struct wacom_features *features = &wacom->features;
771 	unsigned char *data = wacom->data;
772 	struct input_dev *input = wacom->pen_input;
773 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
774 
775 	if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
776 	    ((data[1] & 0xfe) == 0x20) ||    /* in range */
777 	    ((data[1] & 0xfe) == 0x80)))     /* out prox */
778 		return 0;
779 
780 	/* Enter report */
781 	if ((data[1] & 0xfc) == 0xc0) {
782 		/* serial number of the tool */
783 		wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
784 			(data[4] << 20) + (data[5] << 12) +
785 			(data[6] << 4) + (data[7] >> 4);
786 
787 		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
788 		     ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
789 
790 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
791 
792 		wacom->shared->stylus_in_proximity = true;
793 		return 1;
794 	}
795 
796 	/* in Range */
797 	if ((data[1] & 0xfe) == 0x20) {
798 		if (features->type != INTUOSHT2)
799 			wacom->shared->stylus_in_proximity = true;
800 
801 		/* in Range while exiting */
802 		if (wacom->reporting_data) {
803 			input_report_key(input, BTN_TOUCH, 0);
804 			input_report_abs(input, ABS_PRESSURE, 0);
805 			input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
806 			return 2;
807 		}
808 		return 1;
809 	}
810 
811 	/* Exit report */
812 	if ((data[1] & 0xfe) == 0x80) {
813 		wacom->shared->stylus_in_proximity = false;
814 		wacom->reporting_data = false;
815 
816 		/* don't report exit if we don't know the ID */
817 		if (!wacom->id[idx])
818 			return 1;
819 
820 		wacom_exit_report(wacom);
821 		return 2;
822 	}
823 
824 	return 0;
825 }
826 
827 static inline bool touch_is_muted(struct wacom_wac *wacom_wac)
828 {
829 	return wacom_wac->probe_complete &&
830 	       wacom_wac->shared->has_mute_touch_switch &&
831 	       !wacom_wac->shared->is_touch_on;
832 }
833 
834 static inline bool report_touch_events(struct wacom_wac *wacom)
835 {
836 	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
837 }
838 
839 static inline bool delay_pen_events(struct wacom_wac *wacom)
840 {
841 	return (wacom->shared->touch_down && touch_arbitration);
842 }
843 
844 static int wacom_intuos_general(struct wacom_wac *wacom)
845 {
846 	struct wacom_features *features = &wacom->features;
847 	unsigned char *data = wacom->data;
848 	struct input_dev *input = wacom->pen_input;
849 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
850 	unsigned char type = (data[1] >> 1) & 0x0F;
851 	unsigned int x, y, distance, t;
852 
853 	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
854 		data[0] != WACOM_REPORT_INTUOS_PEN)
855 		return 0;
856 
857 	if (delay_pen_events(wacom))
858 		return 1;
859 
860 	/* don't report events if we don't know the tool ID */
861 	if (!wacom->id[idx]) {
862 		/* but reschedule a read of the current tool */
863 		wacom_intuos_schedule_prox_event(wacom);
864 		return 1;
865 	}
866 
867 	/*
868 	 * don't report events for invalid data
869 	 */
870 	/* older I4 styli don't work with new Cintiqs */
871 	if ((!((wacom->id[idx] >> 16) & 0x01) &&
872 			(features->type == WACOM_21UX2)) ||
873 	    /* Only large Intuos support Lense Cursor */
874 	    (wacom->tool[idx] == BTN_TOOL_LENS &&
875 		(features->type == INTUOS3 ||
876 		 features->type == INTUOS3S ||
877 		 features->type == INTUOS4 ||
878 		 features->type == INTUOS4S ||
879 		 features->type == INTUOS5 ||
880 		 features->type == INTUOS5S ||
881 		 features->type == INTUOSPM ||
882 		 features->type == INTUOSPS)) ||
883 	   /* Cintiq doesn't send data when RDY bit isn't set */
884 	   (features->type == CINTIQ && !(data[1] & 0x40)))
885 		return 1;
886 
887 	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
888 	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
889 	distance = data[9] >> 2;
890 	if (features->type < INTUOS3S) {
891 		x >>= 1;
892 		y >>= 1;
893 		distance >>= 1;
894 	}
895 	if (features->type == INTUOSHT2)
896 		distance = features->distance_max - distance;
897 	input_report_abs(input, ABS_X, x);
898 	input_report_abs(input, ABS_Y, y);
899 	input_report_abs(input, ABS_DISTANCE, distance);
900 
901 	switch (type) {
902 	case 0x00:
903 	case 0x01:
904 	case 0x02:
905 	case 0x03:
906 		/* general pen packet */
907 		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
908 		if (features->pressure_max < 2047)
909 			t >>= 1;
910 		input_report_abs(input, ABS_PRESSURE, t);
911 		if (features->type != INTUOSHT2) {
912 		    input_report_abs(input, ABS_TILT_X,
913 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
914 		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
915 		}
916 		input_report_key(input, BTN_STYLUS, data[1] & 2);
917 		input_report_key(input, BTN_STYLUS2, data[1] & 4);
918 		input_report_key(input, BTN_TOUCH, t > 10);
919 		break;
920 
921 	case 0x0a:
922 		/* airbrush second packet */
923 		input_report_abs(input, ABS_WHEEL,
924 				(data[6] << 2) | ((data[7] >> 6) & 3));
925 		input_report_abs(input, ABS_TILT_X,
926 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
927 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
928 		break;
929 
930 	case 0x05:
931 		/* Rotation packet */
932 		if (features->type >= INTUOS3S) {
933 			/* I3 marker pen rotation */
934 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
935 			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
936 				((t-1) / 2 + 450)) : (450 - t / 2) ;
937 			input_report_abs(input, ABS_Z, t);
938 		} else {
939 			/* 4D mouse 2nd packet */
940 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
941 			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
942 				((t - 1) / 2) : -t / 2);
943 		}
944 		break;
945 
946 	case 0x04:
947 		/* 4D mouse 1st packet */
948 		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
949 		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
950 		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
951 
952 		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
953 		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
954 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
955 		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
956 		break;
957 
958 	case 0x06:
959 		/* I4 mouse */
960 		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
961 		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
962 		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
963 		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
964 				 - ((data[7] & 0x40) >> 6));
965 		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
966 		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
967 
968 		input_report_abs(input, ABS_TILT_X,
969 			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
970 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
971 		break;
972 
973 	case 0x08:
974 		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
975 			/* 2D mouse packet */
976 			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
977 			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
978 			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
979 			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
980 					 - ((data[8] & 0x02) >> 1));
981 
982 			/* I3 2D mouse side buttons */
983 			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
984 				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
985 				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
986 			}
987 		}
988 		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
989 			/* Lens cursor packets */
990 			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
991 			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
992 			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
993 			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
994 			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
995 		}
996 		break;
997 
998 	case 0x07:
999 	case 0x09:
1000 	case 0x0b:
1001 	case 0x0c:
1002 	case 0x0d:
1003 	case 0x0e:
1004 	case 0x0f:
1005 		/* unhandled */
1006 		break;
1007 	}
1008 
1009 	input_report_abs(input, ABS_MISC,
1010 			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
1011 	input_report_key(input, wacom->tool[idx], 1);
1012 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
1013 	wacom->reporting_data = true;
1014 	return 2;
1015 }
1016 
1017 static int wacom_intuos_irq(struct wacom_wac *wacom)
1018 {
1019 	unsigned char *data = wacom->data;
1020 	struct input_dev *input = wacom->pen_input;
1021 	int result;
1022 
1023 	if (data[0] != WACOM_REPORT_PENABLED &&
1024 	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
1025 	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
1026 	    data[0] != WACOM_REPORT_INTUOSPAD &&
1027 	    data[0] != WACOM_REPORT_INTUOS_PEN &&
1028 	    data[0] != WACOM_REPORT_CINTIQ &&
1029 	    data[0] != WACOM_REPORT_CINTIQPAD &&
1030 	    data[0] != WACOM_REPORT_INTUOS5PAD) {
1031 		dev_dbg(input->dev.parent,
1032 			"%s: received unknown report #%d\n", __func__, data[0]);
1033                 return 0;
1034 	}
1035 
1036 	/* process pad events */
1037 	result = wacom_intuos_pad(wacom);
1038 	if (result)
1039 		return result;
1040 
1041 	/* process in/out prox events */
1042 	result = wacom_intuos_inout(wacom);
1043 	if (result)
1044 		return result - 1;
1045 
1046 	/* process general packets */
1047 	result = wacom_intuos_general(wacom);
1048 	if (result)
1049 		return result - 1;
1050 
1051 	return 0;
1052 }
1053 
1054 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1055 {
1056 	unsigned char *data = wacom_wac->data;
1057 	struct input_dev *input;
1058 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1059 	struct wacom_remote *remote = wacom->remote;
1060 	int bat_charging, bat_percent, touch_ring_mode;
1061 	__u32 serial;
1062 	int i, index = -1;
1063 	unsigned long flags;
1064 
1065 	if (data[0] != WACOM_REPORT_REMOTE) {
1066 		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1067 			__func__, data[0]);
1068 		return 0;
1069 	}
1070 
1071 	serial = data[3] + (data[4] << 8) + (data[5] << 16);
1072 	wacom_wac->id[0] = PAD_DEVICE_ID;
1073 
1074 	spin_lock_irqsave(&remote->remote_lock, flags);
1075 
1076 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1077 		if (remote->remotes[i].serial == serial) {
1078 			index = i;
1079 			break;
1080 		}
1081 	}
1082 
1083 	if (index < 0 || !remote->remotes[index].registered)
1084 		goto out;
1085 
1086 	input = remote->remotes[index].input;
1087 
1088 	input_report_key(input, BTN_0, (data[9] & 0x01));
1089 	input_report_key(input, BTN_1, (data[9] & 0x02));
1090 	input_report_key(input, BTN_2, (data[9] & 0x04));
1091 	input_report_key(input, BTN_3, (data[9] & 0x08));
1092 	input_report_key(input, BTN_4, (data[9] & 0x10));
1093 	input_report_key(input, BTN_5, (data[9] & 0x20));
1094 	input_report_key(input, BTN_6, (data[9] & 0x40));
1095 	input_report_key(input, BTN_7, (data[9] & 0x80));
1096 
1097 	input_report_key(input, BTN_8, (data[10] & 0x01));
1098 	input_report_key(input, BTN_9, (data[10] & 0x02));
1099 	input_report_key(input, BTN_A, (data[10] & 0x04));
1100 	input_report_key(input, BTN_B, (data[10] & 0x08));
1101 	input_report_key(input, BTN_C, (data[10] & 0x10));
1102 	input_report_key(input, BTN_X, (data[10] & 0x20));
1103 	input_report_key(input, BTN_Y, (data[10] & 0x40));
1104 	input_report_key(input, BTN_Z, (data[10] & 0x80));
1105 
1106 	input_report_key(input, BTN_BASE, (data[11] & 0x01));
1107 	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1108 
1109 	if (data[12] & 0x80)
1110 		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1111 	else
1112 		input_report_abs(input, ABS_WHEEL, 0);
1113 
1114 	bat_percent = data[7] & 0x7f;
1115 	bat_charging = !!(data[7] & 0x80);
1116 
1117 	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1118 		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1119 	else
1120 		input_report_abs(input, ABS_MISC, 0);
1121 
1122 	input_event(input, EV_MSC, MSC_SERIAL, serial);
1123 
1124 	input_sync(input);
1125 
1126 	/*Which mode select (LED light) is currently on?*/
1127 	touch_ring_mode = (data[11] & 0xC0) >> 6;
1128 
1129 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1130 		if (remote->remotes[i].serial == serial)
1131 			wacom->led.groups[i].select = touch_ring_mode;
1132 	}
1133 
1134 	__wacom_notify_battery(&remote->remotes[index].battery,
1135 				WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1136 				bat_charging, 1, bat_charging);
1137 
1138 out:
1139 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1140 	return 0;
1141 }
1142 
1143 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1144 {
1145 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1146 	unsigned char *data = wacom_wac->data;
1147 	struct wacom_remote *remote = wacom->remote;
1148 	struct wacom_remote_data remote_data;
1149 	unsigned long flags;
1150 	int i, ret;
1151 
1152 	if (data[0] != WACOM_REPORT_DEVICE_LIST)
1153 		return;
1154 
1155 	memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1156 
1157 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1158 		int j = i * 6;
1159 		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1160 		bool connected = data[j+2];
1161 
1162 		remote_data.remote[i].serial = serial;
1163 		remote_data.remote[i].connected = connected;
1164 	}
1165 
1166 	spin_lock_irqsave(&remote->remote_lock, flags);
1167 
1168 	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1169 	if (ret != sizeof(remote_data)) {
1170 		spin_unlock_irqrestore(&remote->remote_lock, flags);
1171 		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1172 		return;
1173 	}
1174 
1175 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1176 
1177 	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1178 }
1179 
1180 static int int_dist(int x1, int y1, int x2, int y2)
1181 {
1182 	int x = x2 - x1;
1183 	int y = y2 - y1;
1184 
1185 	return int_sqrt(x*x + y*y);
1186 }
1187 
1188 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1189 		unsigned char *data)
1190 {
1191 	memcpy(wacom->data, data, 10);
1192 	wacom_intuos_irq(wacom);
1193 
1194 	input_sync(wacom->pen_input);
1195 	if (wacom->pad_input)
1196 		input_sync(wacom->pad_input);
1197 }
1198 
1199 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1200 {
1201 	unsigned char data[WACOM_PKGLEN_MAX];
1202 	int i = 1;
1203 	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1204 
1205 	memcpy(data, wacom->data, len);
1206 
1207 	switch (data[0]) {
1208 	case 0x04:
1209 		wacom_intuos_bt_process_data(wacom, data + i);
1210 		i += 10;
1211 		fallthrough;
1212 	case 0x03:
1213 		wacom_intuos_bt_process_data(wacom, data + i);
1214 		i += 10;
1215 		wacom_intuos_bt_process_data(wacom, data + i);
1216 		i += 10;
1217 		power_raw = data[i];
1218 		bat_charging = (power_raw & 0x08) ? 1 : 0;
1219 		ps_connected = (power_raw & 0x10) ? 1 : 0;
1220 		battery_capacity = batcap_i4[power_raw & 0x07];
1221 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1222 				     battery_capacity, bat_charging,
1223 				     battery_capacity || bat_charging,
1224 				     ps_connected);
1225 		break;
1226 	default:
1227 		dev_dbg(wacom->pen_input->dev.parent,
1228 				"Unknown report: %d,%d size:%zu\n",
1229 				data[0], data[1], len);
1230 		return 0;
1231 	}
1232 	return 0;
1233 }
1234 
1235 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1236 {
1237 	struct input_dev *input = wacom->touch_input;
1238 	unsigned touch_max = wacom->features.touch_max;
1239 	int count = 0;
1240 	int i;
1241 
1242 	if (!touch_max)
1243 		return 0;
1244 
1245 	if (touch_max == 1)
1246 		return test_bit(BTN_TOUCH, input->key) &&
1247 			report_touch_events(wacom);
1248 
1249 	for (i = 0; i < input->mt->num_slots; i++) {
1250 		struct input_mt_slot *ps = &input->mt->slots[i];
1251 		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1252 		if (id >= 0)
1253 			count++;
1254 	}
1255 
1256 	return count;
1257 }
1258 
1259 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1260 {
1261 	int pen_frame_len, pen_frames;
1262 
1263 	struct input_dev *pen_input = wacom->pen_input;
1264 	unsigned char *data = wacom->data;
1265 	int i;
1266 
1267 	if (wacom->features.type == INTUOSP2_BT ||
1268 	    wacom->features.type == INTUOSP2S_BT) {
1269 		wacom->serial[0] = get_unaligned_le64(&data[99]);
1270 		wacom->id[0]     = get_unaligned_le16(&data[107]);
1271 		pen_frame_len = 14;
1272 		pen_frames = 7;
1273 	} else {
1274 		wacom->serial[0] = get_unaligned_le64(&data[33]);
1275 		wacom->id[0]     = get_unaligned_le16(&data[41]);
1276 		pen_frame_len = 8;
1277 		pen_frames = 4;
1278 	}
1279 
1280 	if (wacom->serial[0] >> 52 == 1) {
1281 		/* Add back in missing bits of ID for non-USI pens */
1282 		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1283 	}
1284 
1285 	for (i = 0; i < pen_frames; i++) {
1286 		unsigned char *frame = &data[i*pen_frame_len + 1];
1287 		bool valid = frame[0] & 0x80;
1288 		bool prox = frame[0] & 0x40;
1289 		bool range = frame[0] & 0x20;
1290 		bool invert = frame[0] & 0x10;
1291 
1292 		if (!valid)
1293 			continue;
1294 
1295 		if (!prox) {
1296 			wacom->shared->stylus_in_proximity = false;
1297 			wacom_exit_report(wacom);
1298 			input_sync(pen_input);
1299 
1300 			wacom->tool[0] = 0;
1301 			wacom->id[0] = 0;
1302 			wacom->serial[0] = 0;
1303 			return;
1304 		}
1305 
1306 		if (range) {
1307 			if (!wacom->tool[0]) { /* first in range */
1308 				/* Going into range select tool */
1309 				if (invert)
1310 					wacom->tool[0] = BTN_TOOL_RUBBER;
1311 				else if (wacom->id[0])
1312 					wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1313 				else
1314 					wacom->tool[0] = BTN_TOOL_PEN;
1315 			}
1316 
1317 			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1318 			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1319 
1320 			if (wacom->features.type == INTUOSP2_BT ||
1321 			    wacom->features.type == INTUOSP2S_BT) {
1322 				/* Fix rotation alignment: userspace expects zero at left */
1323 				int16_t rotation =
1324 					(int16_t)get_unaligned_le16(&frame[9]);
1325 				rotation += 1800/4;
1326 
1327 				if (rotation > 899)
1328 					rotation -= 1800;
1329 
1330 				input_report_abs(pen_input, ABS_TILT_X,
1331 						 (char)frame[7]);
1332 				input_report_abs(pen_input, ABS_TILT_Y,
1333 						 (char)frame[8]);
1334 				input_report_abs(pen_input, ABS_Z, rotation);
1335 				input_report_abs(pen_input, ABS_WHEEL,
1336 						 get_unaligned_le16(&frame[11]));
1337 			}
1338 		}
1339 		if (wacom->tool[0]) {
1340 			input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1341 			if (wacom->features.type == INTUOSP2_BT ||
1342 			    wacom->features.type == INTUOSP2S_BT) {
1343 				input_report_abs(pen_input, ABS_DISTANCE,
1344 						 range ? frame[13] : wacom->features.distance_max);
1345 			} else {
1346 				input_report_abs(pen_input, ABS_DISTANCE,
1347 						 range ? frame[7] : wacom->features.distance_max);
1348 			}
1349 
1350 			input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1351 			input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1352 			input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1353 
1354 			input_report_key(pen_input, wacom->tool[0], prox);
1355 			input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1356 			input_report_abs(pen_input, ABS_MISC,
1357 					 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1358 		}
1359 
1360 		wacom->shared->stylus_in_proximity = prox;
1361 
1362 		input_sync(pen_input);
1363 	}
1364 }
1365 
1366 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1367 {
1368 	const int finger_touch_len = 8;
1369 	const int finger_frames = 4;
1370 	const int finger_frame_len = 43;
1371 
1372 	struct input_dev *touch_input = wacom->touch_input;
1373 	unsigned char *data = wacom->data;
1374 	int num_contacts_left = 5;
1375 	int i, j;
1376 
1377 	for (i = 0; i < finger_frames; i++) {
1378 		unsigned char *frame = &data[i*finger_frame_len + 109];
1379 		int current_num_contacts = frame[0] & 0x7F;
1380 		int contacts_to_send;
1381 
1382 		if (!(frame[0] & 0x80))
1383 			continue;
1384 
1385 		/*
1386 		 * First packet resets the counter since only the first
1387 		 * packet in series will have non-zero current_num_contacts.
1388 		 */
1389 		if (current_num_contacts)
1390 			wacom->num_contacts_left = current_num_contacts;
1391 
1392 		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1393 
1394 		for (j = 0; j < contacts_to_send; j++) {
1395 			unsigned char *touch = &frame[j*finger_touch_len + 1];
1396 			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1397 			int x = get_unaligned_le16(&touch[2]);
1398 			int y = get_unaligned_le16(&touch[4]);
1399 			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1400 			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1401 
1402 			if (slot < 0)
1403 				continue;
1404 
1405 			input_mt_slot(touch_input, slot);
1406 			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1407 			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1408 			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1409 			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1410 			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1411 			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1412 		}
1413 
1414 		input_mt_sync_frame(touch_input);
1415 
1416 		wacom->num_contacts_left -= contacts_to_send;
1417 		if (wacom->num_contacts_left <= 0) {
1418 			wacom->num_contacts_left = 0;
1419 			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1420 			input_sync(touch_input);
1421 		}
1422 	}
1423 
1424 	if (wacom->num_contacts_left == 0) {
1425 		// Be careful that we don't accidentally call input_sync with
1426 		// only a partial set of fingers of processed
1427 		input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1428 		input_sync(touch_input);
1429 	}
1430 
1431 }
1432 
1433 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1434 {
1435 	struct input_dev *pad_input = wacom->pad_input;
1436 	unsigned char *data = wacom->data;
1437 	int nbuttons = wacom->features.numbered_buttons;
1438 
1439 	int expresskeys = data[282];
1440 	int center = (data[281] & 0x40) >> 6;
1441 	int ring = data[285] & 0x7F;
1442 	bool ringstatus = data[285] & 0x80;
1443 	bool prox = expresskeys || center || ringstatus;
1444 
1445 	/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1446 	ring = 71 - ring;
1447 	ring += 3*72/16;
1448 	if (ring > 71)
1449 		ring -= 72;
1450 
1451 	wacom_report_numbered_buttons(pad_input, nbuttons,
1452                                       expresskeys | (center << (nbuttons - 1)));
1453 
1454 	input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1455 
1456 	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1457 	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1458 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1459 
1460 	input_sync(pad_input);
1461 }
1462 
1463 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1464 {
1465 	unsigned char *data = wacom->data;
1466 
1467 	bool chg = data[284] & 0x80;
1468 	int battery_status = data[284] & 0x7F;
1469 
1470 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1471 			     battery_status, chg, 1, chg);
1472 }
1473 
1474 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1475 {
1476 	struct input_dev *pad_input = wacom->pad_input;
1477 	unsigned char *data = wacom->data;
1478 
1479 	int buttons = data[44];
1480 
1481 	wacom_report_numbered_buttons(pad_input, 4, buttons);
1482 
1483 	input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1484 	input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1485 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1486 
1487 	input_sync(pad_input);
1488 }
1489 
1490 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1491 {
1492 	unsigned char *data = wacom->data;
1493 
1494 	bool chg = data[45] & 0x80;
1495 	int battery_status = data[45] & 0x7F;
1496 
1497 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1498 			     battery_status, chg, 1, chg);
1499 }
1500 
1501 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1502 {
1503 	unsigned char *data = wacom->data;
1504 
1505 	if (data[0] != 0x80 && data[0] != 0x81) {
1506 		dev_dbg(wacom->pen_input->dev.parent,
1507 			"%s: received unknown report #%d\n", __func__, data[0]);
1508 		return 0;
1509 	}
1510 
1511 	wacom_intuos_pro2_bt_pen(wacom);
1512 	if (wacom->features.type == INTUOSP2_BT ||
1513 	    wacom->features.type == INTUOSP2S_BT) {
1514 		wacom_intuos_pro2_bt_touch(wacom);
1515 		wacom_intuos_pro2_bt_pad(wacom);
1516 		wacom_intuos_pro2_bt_battery(wacom);
1517 	} else {
1518 		wacom_intuos_gen3_bt_pad(wacom);
1519 		wacom_intuos_gen3_bt_battery(wacom);
1520 	}
1521 	return 0;
1522 }
1523 
1524 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1525 {
1526 	struct input_dev *input = wacom->touch_input;
1527 	unsigned char *data = wacom->data;
1528 	int i;
1529 	int current_num_contacts = data[61];
1530 	int contacts_to_send = 0;
1531 	int num_contacts_left = 4; /* maximum contacts per packet */
1532 	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1533 	int y_offset = 2;
1534 
1535 	if (touch_is_muted(wacom) && !wacom->shared->touch_down)
1536 		return 0;
1537 
1538 	if (wacom->features.type == WACOM_27QHDT) {
1539 		current_num_contacts = data[63];
1540 		num_contacts_left = 10;
1541 		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1542 		y_offset = 0;
1543 	}
1544 
1545 	/*
1546 	 * First packet resets the counter since only the first
1547 	 * packet in series will have non-zero current_num_contacts.
1548 	 */
1549 	if (current_num_contacts)
1550 		wacom->num_contacts_left = current_num_contacts;
1551 
1552 	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1553 
1554 	for (i = 0; i < contacts_to_send; i++) {
1555 		int offset = (byte_per_packet * i) + 1;
1556 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1557 		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1558 
1559 		if (slot < 0)
1560 			continue;
1561 		input_mt_slot(input, slot);
1562 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1563 
1564 		if (touch) {
1565 			int t_x = get_unaligned_le16(&data[offset + 2]);
1566 			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1567 
1568 			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1569 			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1570 
1571 			if (wacom->features.type != WACOM_27QHDT) {
1572 				int c_x = get_unaligned_le16(&data[offset + 4]);
1573 				int c_y = get_unaligned_le16(&data[offset + 8]);
1574 				int w = get_unaligned_le16(&data[offset + 10]);
1575 				int h = get_unaligned_le16(&data[offset + 12]);
1576 
1577 				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1578 				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1579 						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1580 				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1581 				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1582 			}
1583 		}
1584 	}
1585 	input_mt_sync_frame(input);
1586 
1587 	wacom->num_contacts_left -= contacts_to_send;
1588 	if (wacom->num_contacts_left <= 0) {
1589 		wacom->num_contacts_left = 0;
1590 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1591 	}
1592 	return 1;
1593 }
1594 
1595 static int wacom_mt_touch(struct wacom_wac *wacom)
1596 {
1597 	struct input_dev *input = wacom->touch_input;
1598 	unsigned char *data = wacom->data;
1599 	int i;
1600 	int current_num_contacts = data[2];
1601 	int contacts_to_send = 0;
1602 	int x_offset = 0;
1603 
1604 	/* MTTPC does not support Height and Width */
1605 	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1606 		x_offset = -4;
1607 
1608 	/*
1609 	 * First packet resets the counter since only the first
1610 	 * packet in series will have non-zero current_num_contacts.
1611 	 */
1612 	if (current_num_contacts)
1613 		wacom->num_contacts_left = current_num_contacts;
1614 
1615 	/* There are at most 5 contacts per packet */
1616 	contacts_to_send = min(5, wacom->num_contacts_left);
1617 
1618 	for (i = 0; i < contacts_to_send; i++) {
1619 		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1620 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1621 		int id = get_unaligned_le16(&data[offset + 1]);
1622 		int slot = input_mt_get_slot_by_key(input, id);
1623 
1624 		if (slot < 0)
1625 			continue;
1626 
1627 		input_mt_slot(input, slot);
1628 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1629 		if (touch) {
1630 			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1631 			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1632 			input_report_abs(input, ABS_MT_POSITION_X, x);
1633 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1634 		}
1635 	}
1636 	input_mt_sync_frame(input);
1637 
1638 	wacom->num_contacts_left -= contacts_to_send;
1639 	if (wacom->num_contacts_left <= 0) {
1640 		wacom->num_contacts_left = 0;
1641 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1642 	}
1643 	return 1;
1644 }
1645 
1646 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1647 {
1648 	struct input_dev *input = wacom->touch_input;
1649 	unsigned char *data = wacom->data;
1650 	int i;
1651 
1652 	for (i = 0; i < 2; i++) {
1653 		int p = data[1] & (1 << i);
1654 		bool touch = p && report_touch_events(wacom);
1655 
1656 		input_mt_slot(input, i);
1657 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1658 		if (touch) {
1659 			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1660 			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1661 
1662 			input_report_abs(input, ABS_MT_POSITION_X, x);
1663 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1664 		}
1665 	}
1666 	input_mt_sync_frame(input);
1667 
1668 	/* keep touch state for pen event */
1669 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1670 
1671 	return 1;
1672 }
1673 
1674 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1675 {
1676 	unsigned char *data = wacom->data;
1677 	struct input_dev *input = wacom->touch_input;
1678 	bool prox = report_touch_events(wacom);
1679 	int x = 0, y = 0;
1680 
1681 	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1682 		return 0;
1683 
1684 	if (len == WACOM_PKGLEN_TPC1FG) {
1685 		prox = prox && (data[0] & 0x01);
1686 		x = get_unaligned_le16(&data[1]);
1687 		y = get_unaligned_le16(&data[3]);
1688 	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1689 		prox = prox && (data[2] & 0x01);
1690 		x = get_unaligned_le16(&data[3]);
1691 		y = get_unaligned_le16(&data[5]);
1692 	} else {
1693 		prox = prox && (data[1] & 0x01);
1694 		x = le16_to_cpup((__le16 *)&data[2]);
1695 		y = le16_to_cpup((__le16 *)&data[4]);
1696 	}
1697 
1698 	if (prox) {
1699 		input_report_abs(input, ABS_X, x);
1700 		input_report_abs(input, ABS_Y, y);
1701 	}
1702 	input_report_key(input, BTN_TOUCH, prox);
1703 
1704 	/* keep touch state for pen events */
1705 	wacom->shared->touch_down = prox;
1706 
1707 	return 1;
1708 }
1709 
1710 static int wacom_tpc_pen(struct wacom_wac *wacom)
1711 {
1712 	unsigned char *data = wacom->data;
1713 	struct input_dev *input = wacom->pen_input;
1714 	bool prox = data[1] & 0x20;
1715 
1716 	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1717 		/* Going into proximity select tool */
1718 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1719 
1720 	/* keep pen state for touch events */
1721 	wacom->shared->stylus_in_proximity = prox;
1722 
1723 	/* send pen events only when touch is up or forced out
1724 	 * or touch arbitration is off
1725 	 */
1726 	if (!delay_pen_events(wacom)) {
1727 		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1728 		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1729 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1730 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1731 		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1732 		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1733 		input_report_key(input, wacom->tool[0], prox);
1734 		return 1;
1735 	}
1736 
1737 	return 0;
1738 }
1739 
1740 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1741 {
1742 	unsigned char *data = wacom->data;
1743 
1744 	if (wacom->pen_input) {
1745 		dev_dbg(wacom->pen_input->dev.parent,
1746 			"%s: received report #%d\n", __func__, data[0]);
1747 
1748 		if (len == WACOM_PKGLEN_PENABLED ||
1749 		    data[0] == WACOM_REPORT_PENABLED)
1750 			return wacom_tpc_pen(wacom);
1751 	}
1752 	else if (wacom->touch_input) {
1753 		dev_dbg(wacom->touch_input->dev.parent,
1754 			"%s: received report #%d\n", __func__, data[0]);
1755 
1756 		switch (len) {
1757 		case WACOM_PKGLEN_TPC1FG:
1758 			return wacom_tpc_single_touch(wacom, len);
1759 
1760 		case WACOM_PKGLEN_TPC2FG:
1761 			return wacom_tpc_mt_touch(wacom);
1762 
1763 		default:
1764 			switch (data[0]) {
1765 			case WACOM_REPORT_TPC1FG:
1766 			case WACOM_REPORT_TPCHID:
1767 			case WACOM_REPORT_TPCST:
1768 			case WACOM_REPORT_TPC1FGE:
1769 				return wacom_tpc_single_touch(wacom, len);
1770 
1771 			case WACOM_REPORT_TPCMT:
1772 			case WACOM_REPORT_TPCMT2:
1773 				return wacom_mt_touch(wacom);
1774 
1775 			}
1776 		}
1777 	}
1778 
1779 	return 0;
1780 }
1781 
1782 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1783 				 int value, int num, int denom)
1784 {
1785 	struct input_absinfo *abs = &input->absinfo[usage->code];
1786 	int range = (abs->maximum - abs->minimum + 1);
1787 
1788 	value += num*range/denom;
1789 	if (value > abs->maximum)
1790 		value -= range;
1791 	else if (value < abs->minimum)
1792 		value += range;
1793 	return value;
1794 }
1795 
1796 int wacom_equivalent_usage(int usage)
1797 {
1798 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1799 		int subpage = (usage & 0xFF00) << 8;
1800 		int subusage = (usage & 0xFF);
1801 
1802 		if (subpage == WACOM_HID_SP_PAD ||
1803 		    subpage == WACOM_HID_SP_BUTTON ||
1804 		    subpage == WACOM_HID_SP_DIGITIZER ||
1805 		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1806 		    usage == WACOM_HID_WD_SENSE ||
1807 		    usage == WACOM_HID_WD_SERIALHI ||
1808 		    usage == WACOM_HID_WD_TOOLTYPE ||
1809 		    usage == WACOM_HID_WD_DISTANCE ||
1810 		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1811 		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1812 		    usage == WACOM_HID_WD_TOUCHRING ||
1813 		    usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1814 		    usage == WACOM_HID_WD_REPORT_VALID) {
1815 			return usage;
1816 		}
1817 
1818 		if (subpage == HID_UP_UNDEFINED)
1819 			subpage = HID_UP_DIGITIZER;
1820 
1821 		return subpage | subusage;
1822 	}
1823 
1824 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1825 		int subpage = (usage & 0xFF00) << 8;
1826 		int subusage = (usage & 0xFF);
1827 
1828 		if (usage == WACOM_HID_WT_REPORT_VALID)
1829 			return usage;
1830 
1831 		if (subpage == HID_UP_UNDEFINED)
1832 			subpage = WACOM_HID_SP_DIGITIZER;
1833 
1834 		return subpage | subusage;
1835 	}
1836 
1837 	return usage;
1838 }
1839 
1840 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1841 		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1842 {
1843 	struct wacom *wacom = input_get_drvdata(input);
1844 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1845 	struct wacom_features *features = &wacom_wac->features;
1846 	int fmin = field->logical_minimum;
1847 	int fmax = field->logical_maximum;
1848 	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1849 	int resolution_code = code;
1850 
1851 	if (equivalent_usage == HID_DG_TWIST) {
1852 		resolution_code = ABS_RZ;
1853 	}
1854 
1855 	if (equivalent_usage == HID_GD_X) {
1856 		fmin += features->offset_left;
1857 		fmax -= features->offset_right;
1858 	}
1859 	if (equivalent_usage == HID_GD_Y) {
1860 		fmin += features->offset_top;
1861 		fmax -= features->offset_bottom;
1862 	}
1863 
1864 	usage->type = type;
1865 	usage->code = code;
1866 
1867 	switch (type) {
1868 	case EV_ABS:
1869 		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1870 		input_abs_set_res(input, code,
1871 				  hidinput_calc_abs_res(field, resolution_code));
1872 		break;
1873 	case EV_KEY:
1874 	case EV_MSC:
1875 	case EV_SW:
1876 		input_set_capability(input, type, code);
1877 		break;
1878 	}
1879 }
1880 
1881 static void wacom_wac_battery_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 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1888 
1889 	switch (equivalent_usage) {
1890 	case HID_DG_BATTERYSTRENGTH:
1891 	case WACOM_HID_WD_BATTERY_LEVEL:
1892 	case WACOM_HID_WD_BATTERY_CHARGING:
1893 		features->quirks |= WACOM_QUIRK_BATTERY;
1894 		break;
1895 	}
1896 }
1897 
1898 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1899 		struct hid_usage *usage, __s32 value)
1900 {
1901 	struct wacom *wacom = hid_get_drvdata(hdev);
1902 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1903 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1904 
1905 	switch (equivalent_usage) {
1906 	case HID_DG_BATTERYSTRENGTH:
1907 		if (value == 0) {
1908 			wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1909 		}
1910 		else {
1911 			value = value * 100 / (field->logical_maximum - field->logical_minimum);
1912 			wacom_wac->hid_data.battery_capacity = value;
1913 			wacom_wac->hid_data.bat_connected = 1;
1914 			wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1915 		}
1916 		break;
1917 	case WACOM_HID_WD_BATTERY_LEVEL:
1918 		value = value * 100 / (field->logical_maximum - field->logical_minimum);
1919 		wacom_wac->hid_data.battery_capacity = value;
1920 		wacom_wac->hid_data.bat_connected = 1;
1921 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1922 		break;
1923 	case WACOM_HID_WD_BATTERY_CHARGING:
1924 		wacom_wac->hid_data.bat_charging = value;
1925 		wacom_wac->hid_data.ps_connected = value;
1926 		wacom_wac->hid_data.bat_connected = 1;
1927 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1928 		break;
1929 	}
1930 }
1931 
1932 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1933 		struct hid_report *report)
1934 {
1935 	return;
1936 }
1937 
1938 static void wacom_wac_battery_report(struct hid_device *hdev,
1939 		struct hid_report *report)
1940 {
1941 	struct wacom *wacom = hid_get_drvdata(hdev);
1942 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1943 	struct wacom_features *features = &wacom_wac->features;
1944 
1945 	if (features->quirks & WACOM_QUIRK_BATTERY) {
1946 		int status = wacom_wac->hid_data.bat_status;
1947 		int capacity = wacom_wac->hid_data.battery_capacity;
1948 		bool charging = wacom_wac->hid_data.bat_charging;
1949 		bool connected = wacom_wac->hid_data.bat_connected;
1950 		bool powered = wacom_wac->hid_data.ps_connected;
1951 
1952 		wacom_notify_battery(wacom_wac, status, capacity, charging,
1953 				     connected, powered);
1954 	}
1955 }
1956 
1957 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1958 		struct hid_field *field, struct hid_usage *usage)
1959 {
1960 	struct wacom *wacom = hid_get_drvdata(hdev);
1961 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1962 	struct wacom_features *features = &wacom_wac->features;
1963 	struct input_dev *input = wacom_wac->pad_input;
1964 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1965 
1966 	switch (equivalent_usage) {
1967 	case WACOM_HID_WD_ACCELEROMETER_X:
1968 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1969 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1970 		features->device_type |= WACOM_DEVICETYPE_PAD;
1971 		break;
1972 	case WACOM_HID_WD_ACCELEROMETER_Y:
1973 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1974 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1975 		features->device_type |= WACOM_DEVICETYPE_PAD;
1976 		break;
1977 	case WACOM_HID_WD_ACCELEROMETER_Z:
1978 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1979 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1980 		features->device_type |= WACOM_DEVICETYPE_PAD;
1981 		break;
1982 	case WACOM_HID_WD_BUTTONCENTER:
1983 	case WACOM_HID_WD_BUTTONHOME:
1984 	case WACOM_HID_WD_BUTTONUP:
1985 	case WACOM_HID_WD_BUTTONDOWN:
1986 	case WACOM_HID_WD_BUTTONLEFT:
1987 	case WACOM_HID_WD_BUTTONRIGHT:
1988 		wacom_map_usage(input, usage, field, EV_KEY,
1989 				wacom_numbered_button_to_key(features->numbered_buttons),
1990 				0);
1991 		features->numbered_buttons++;
1992 		features->device_type |= WACOM_DEVICETYPE_PAD;
1993 		break;
1994 	case WACOM_HID_WD_MUTE_DEVICE:
1995 		/* softkey touch switch */
1996 		wacom_wac->is_soft_touch_switch = true;
1997 		fallthrough;
1998 	case WACOM_HID_WD_TOUCHONOFF:
1999 		/*
2000 		 * These two usages, which are used to mute touch events, come
2001 		 * from the pad packet, but are reported on the touch
2002 		 * interface. Because the touch interface may not have
2003 		 * been created yet, we cannot call wacom_map_usage(). In
2004 		 * order to process the usages when we receive them, we set
2005 		 * the usage type and code directly.
2006 		 */
2007 		wacom_wac->has_mute_touch_switch = true;
2008 		usage->type = EV_SW;
2009 		usage->code = SW_MUTE_DEVICE;
2010 		features->device_type |= WACOM_DEVICETYPE_PAD;
2011 		break;
2012 	case WACOM_HID_WD_TOUCHSTRIP:
2013 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2014 		features->device_type |= WACOM_DEVICETYPE_PAD;
2015 		break;
2016 	case WACOM_HID_WD_TOUCHSTRIP2:
2017 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2018 		features->device_type |= WACOM_DEVICETYPE_PAD;
2019 		break;
2020 	case WACOM_HID_WD_TOUCHRING:
2021 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2022 		features->device_type |= WACOM_DEVICETYPE_PAD;
2023 		break;
2024 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2025 		/*
2026 		 * Only set up type/code association. Completely mapping
2027 		 * this usage may overwrite the axis resolution and range.
2028 		 */
2029 		usage->type = EV_ABS;
2030 		usage->code = ABS_WHEEL;
2031 		set_bit(EV_ABS, input->evbit);
2032 		features->device_type |= WACOM_DEVICETYPE_PAD;
2033 		break;
2034 	case WACOM_HID_WD_BUTTONCONFIG:
2035 		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2036 		features->device_type |= WACOM_DEVICETYPE_PAD;
2037 		break;
2038 	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2039 		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2040 		features->device_type |= WACOM_DEVICETYPE_PAD;
2041 		break;
2042 	case WACOM_HID_WD_CONTROLPANEL:
2043 		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2044 		features->device_type |= WACOM_DEVICETYPE_PAD;
2045 		break;
2046 	case WACOM_HID_WD_MODE_CHANGE:
2047 		/* do not overwrite previous data */
2048 		if (!wacom_wac->has_mode_change) {
2049 			wacom_wac->has_mode_change = true;
2050 			wacom_wac->is_direct_mode = true;
2051 		}
2052 		features->device_type |= WACOM_DEVICETYPE_PAD;
2053 		break;
2054 	}
2055 
2056 	switch (equivalent_usage & 0xfffffff0) {
2057 	case WACOM_HID_WD_EXPRESSKEY00:
2058 		wacom_map_usage(input, usage, field, EV_KEY,
2059 				wacom_numbered_button_to_key(features->numbered_buttons),
2060 				0);
2061 		features->numbered_buttons++;
2062 		features->device_type |= WACOM_DEVICETYPE_PAD;
2063 		break;
2064 	}
2065 }
2066 
2067 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2068 		struct hid_usage *usage, __s32 value)
2069 {
2070 	struct wacom *wacom = hid_get_drvdata(hdev);
2071 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2072 	struct input_dev *input = wacom_wac->pad_input;
2073 	struct wacom_features *features = &wacom_wac->features;
2074 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2075 	int i;
2076 	bool do_report = false;
2077 
2078 	/*
2079 	 * Avoid reporting this event and setting inrange_state if this usage
2080 	 * hasn't been mapped.
2081 	 */
2082 	if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2083 		return;
2084 
2085 	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2086 		if (usage->hid != WACOM_HID_WD_TOUCHRING)
2087 			wacom_wac->hid_data.inrange_state |= value;
2088 	}
2089 
2090 	switch (equivalent_usage) {
2091 	case WACOM_HID_WD_TOUCHRING:
2092 		/*
2093 		 * Userspace expects touchrings to increase in value with
2094 		 * clockwise gestures and have their zero point at the
2095 		 * tablet's left. HID events "should" be clockwise-
2096 		 * increasing and zero at top, though the MobileStudio
2097 		 * Pro and 2nd-gen Intuos Pro don't do this...
2098 		 */
2099 		if (hdev->vendor == 0x56a &&
2100 		    (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2101 		     hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2102 		     hdev->product == 0x392 ||				  /* Intuos Pro 2 */
2103 		     hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
2104 		     hdev->product == 0x3AA)) {				  /* MobileStudio Pro */
2105 			value = (field->logical_maximum - value);
2106 
2107 			if (hdev->product == 0x357 || hdev->product == 0x358 ||
2108 			    hdev->product == 0x392)
2109 				value = wacom_offset_rotation(input, usage, value, 3, 16);
2110 			else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2111 				 hdev->product == 0x398 || hdev->product == 0x399 ||
2112 				 hdev->product == 0x3AA)
2113 				value = wacom_offset_rotation(input, usage, value, 1, 2);
2114 		}
2115 		else {
2116 			value = wacom_offset_rotation(input, usage, value, 1, 4);
2117 		}
2118 		do_report = true;
2119 		break;
2120 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2121 		if (!value)
2122 			input_event(input, usage->type, usage->code, 0);
2123 		break;
2124 
2125 	case WACOM_HID_WD_MUTE_DEVICE:
2126 	case WACOM_HID_WD_TOUCHONOFF:
2127 		if (wacom_wac->shared->touch_input) {
2128 			bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2129 
2130 			if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2131 				*is_touch_on = !(*is_touch_on);
2132 			else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2133 				*is_touch_on = value;
2134 
2135 			input_report_switch(wacom_wac->shared->touch_input,
2136 					    SW_MUTE_DEVICE, !(*is_touch_on));
2137 			input_sync(wacom_wac->shared->touch_input);
2138 		}
2139 		break;
2140 
2141 	case WACOM_HID_WD_MODE_CHANGE:
2142 		if (wacom_wac->is_direct_mode != value) {
2143 			wacom_wac->is_direct_mode = value;
2144 			wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2145 		}
2146 		break;
2147 
2148 	case WACOM_HID_WD_BUTTONCENTER:
2149 		for (i = 0; i < wacom->led.count; i++)
2150 			wacom_update_led(wacom, features->numbered_buttons,
2151 					 value, i);
2152 		fallthrough;
2153 	default:
2154 		do_report = true;
2155 		break;
2156 	}
2157 
2158 	if (do_report) {
2159 		input_event(input, usage->type, usage->code, value);
2160 		if (value)
2161 			wacom_wac->hid_data.pad_input_event_flag = true;
2162 	}
2163 }
2164 
2165 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2166 		struct hid_report *report)
2167 {
2168 	struct wacom *wacom = hid_get_drvdata(hdev);
2169 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2170 
2171 	wacom_wac->hid_data.inrange_state = 0;
2172 }
2173 
2174 static void wacom_wac_pad_report(struct hid_device *hdev,
2175 		struct hid_report *report, struct hid_field *field)
2176 {
2177 	struct wacom *wacom = hid_get_drvdata(hdev);
2178 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2179 	struct input_dev *input = wacom_wac->pad_input;
2180 	bool active = wacom_wac->hid_data.inrange_state != 0;
2181 
2182 	/* report prox for expresskey events */
2183 	if (wacom_wac->hid_data.pad_input_event_flag) {
2184 		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2185 		input_sync(input);
2186 		if (!active)
2187 			wacom_wac->hid_data.pad_input_event_flag = false;
2188 	}
2189 }
2190 
2191 static void wacom_set_barrel_switch3_usage(struct wacom_wac *wacom_wac)
2192 {
2193 	struct input_dev *input = wacom_wac->pen_input;
2194 	struct wacom_features *features = &wacom_wac->features;
2195 
2196 	if (!(features->quirks & WACOM_QUIRK_AESPEN) &&
2197 	    wacom_wac->hid_data.barrelswitch &&
2198 	    wacom_wac->hid_data.barrelswitch2 &&
2199 	    wacom_wac->hid_data.serialhi)
2200 		input_set_capability(input, EV_KEY, BTN_STYLUS3);
2201 }
2202 
2203 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2204 		struct hid_field *field, struct hid_usage *usage)
2205 {
2206 	struct wacom *wacom = hid_get_drvdata(hdev);
2207 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2208 	struct wacom_features *features = &wacom_wac->features;
2209 	struct input_dev *input = wacom_wac->pen_input;
2210 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2211 
2212 	switch (equivalent_usage) {
2213 	case HID_GD_X:
2214 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2215 		break;
2216 	case HID_GD_Y:
2217 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2218 		break;
2219 	case WACOM_HID_WD_DISTANCE:
2220 	case HID_GD_Z:
2221 		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2222 		break;
2223 	case HID_DG_TIPPRESSURE:
2224 		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2225 		break;
2226 	case HID_DG_INRANGE:
2227 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2228 		break;
2229 	case HID_DG_INVERT:
2230 		wacom_map_usage(input, usage, field, EV_KEY,
2231 				BTN_TOOL_RUBBER, 0);
2232 		break;
2233 	case HID_DG_TILT_X:
2234 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2235 		break;
2236 	case HID_DG_TILT_Y:
2237 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2238 		break;
2239 	case HID_DG_TWIST:
2240 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2241 		break;
2242 	case HID_DG_ERASER:
2243 		input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2244 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2245 		break;
2246 	case HID_DG_TIPSWITCH:
2247 		input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2248 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2249 		break;
2250 	case HID_DG_BARRELSWITCH:
2251 		wacom_wac->hid_data.barrelswitch = true;
2252 		wacom_set_barrel_switch3_usage(wacom_wac);
2253 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2254 		break;
2255 	case HID_DG_BARRELSWITCH2:
2256 		wacom_wac->hid_data.barrelswitch2 = true;
2257 		wacom_set_barrel_switch3_usage(wacom_wac);
2258 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2259 		break;
2260 	case HID_DG_TOOLSERIALNUMBER:
2261 		features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2262 		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2263 		break;
2264 	case WACOM_HID_WD_SENSE:
2265 		features->quirks |= WACOM_QUIRK_SENSE;
2266 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2267 		break;
2268 	case WACOM_HID_WD_SERIALHI:
2269 		wacom_wac->hid_data.serialhi = true;
2270 		wacom_set_barrel_switch3_usage(wacom_wac);
2271 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2272 		break;
2273 	case WACOM_HID_WD_FINGERWHEEL:
2274 		input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2275 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2276 		break;
2277 	}
2278 }
2279 
2280 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2281 		struct hid_usage *usage, __s32 value)
2282 {
2283 	struct wacom *wacom = hid_get_drvdata(hdev);
2284 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2285 	struct wacom_features *features = &wacom_wac->features;
2286 	struct input_dev *input = wacom_wac->pen_input;
2287 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2288 
2289 	if (wacom_wac->is_invalid_bt_frame)
2290 		return;
2291 
2292 	switch (equivalent_usage) {
2293 	case HID_GD_Z:
2294 		/*
2295 		 * HID_GD_Z "should increase as the control's position is
2296 		 * moved from high to low", while ABS_DISTANCE instead
2297 		 * increases in value as the tool moves from low to high.
2298 		 */
2299 		value = field->logical_maximum - value;
2300 		break;
2301 	case HID_DG_INRANGE:
2302 		wacom_wac->hid_data.inrange_state = value;
2303 		if (!(features->quirks & WACOM_QUIRK_SENSE))
2304 			wacom_wac->hid_data.sense_state = value;
2305 		return;
2306 	case HID_DG_INVERT:
2307 		wacom_wac->hid_data.invert_state = value;
2308 		return;
2309 	case HID_DG_ERASER:
2310 	case HID_DG_TIPSWITCH:
2311 		wacom_wac->hid_data.tipswitch |= value;
2312 		return;
2313 	case HID_DG_BARRELSWITCH:
2314 		wacom_wac->hid_data.barrelswitch = value;
2315 		return;
2316 	case HID_DG_BARRELSWITCH2:
2317 		wacom_wac->hid_data.barrelswitch2 = value;
2318 		return;
2319 	case HID_DG_TOOLSERIALNUMBER:
2320 		if (value) {
2321 			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2322 			wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2323 		}
2324 		return;
2325 	case HID_DG_TWIST:
2326 		/*
2327 		 * Userspace expects pen twist to have its zero point when
2328 		 * the buttons/finger is on the tablet's left. HID values
2329 		 * are zero when buttons are toward the top.
2330 		 */
2331 		value = wacom_offset_rotation(input, usage, value, 1, 4);
2332 		break;
2333 	case WACOM_HID_WD_SENSE:
2334 		wacom_wac->hid_data.sense_state = value;
2335 		return;
2336 	case WACOM_HID_WD_SERIALHI:
2337 		if (value) {
2338 			__u32 raw_value = wacom_s32tou(value, field->report_size);
2339 
2340 			wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2341 			wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2342 			/*
2343 			 * Non-USI EMR devices may contain additional tool type
2344 			 * information here. See WACOM_HID_WD_TOOLTYPE case for
2345 			 * more details.
2346 			 */
2347 			if (value >> 20 == 1) {
2348 				wacom_wac->id[0] |= raw_value & 0xFFFFF;
2349 			}
2350 		}
2351 		return;
2352 	case WACOM_HID_WD_TOOLTYPE:
2353 		/*
2354 		 * Some devices (MobileStudio Pro, and possibly later
2355 		 * devices as well) do not return the complete tool
2356 		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2357 		 * bitwise OR so the complete value can be built
2358 		 * up over time :(
2359 		 */
2360 		wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2361 		return;
2362 	case WACOM_HID_WD_OFFSETLEFT:
2363 		if (features->offset_left && value != features->offset_left)
2364 			hid_warn(hdev, "%s: overriding existing left offset "
2365 				 "%d -> %d\n", __func__, value,
2366 				 features->offset_left);
2367 		features->offset_left = value;
2368 		return;
2369 	case WACOM_HID_WD_OFFSETRIGHT:
2370 		if (features->offset_right && value != features->offset_right)
2371 			hid_warn(hdev, "%s: overriding existing right offset "
2372 				 "%d -> %d\n", __func__, value,
2373 				 features->offset_right);
2374 		features->offset_right = value;
2375 		return;
2376 	case WACOM_HID_WD_OFFSETTOP:
2377 		if (features->offset_top && value != features->offset_top)
2378 			hid_warn(hdev, "%s: overriding existing top offset "
2379 				 "%d -> %d\n", __func__, value,
2380 				 features->offset_top);
2381 		features->offset_top = value;
2382 		return;
2383 	case WACOM_HID_WD_OFFSETBOTTOM:
2384 		if (features->offset_bottom && value != features->offset_bottom)
2385 			hid_warn(hdev, "%s: overriding existing bottom offset "
2386 				 "%d -> %d\n", __func__, value,
2387 				 features->offset_bottom);
2388 		features->offset_bottom = value;
2389 		return;
2390 	case WACOM_HID_WD_REPORT_VALID:
2391 		wacom_wac->is_invalid_bt_frame = !value;
2392 		return;
2393 	}
2394 
2395 	/* send pen events only when touch is up or forced out
2396 	 * or touch arbitration is off
2397 	 */
2398 	if (!usage->type || delay_pen_events(wacom_wac))
2399 		return;
2400 
2401 	/* send pen events only when the pen is in range */
2402 	if (wacom_wac->hid_data.inrange_state)
2403 		input_event(input, usage->type, usage->code, value);
2404 	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2405 		input_event(input, usage->type, usage->code, 0);
2406 }
2407 
2408 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2409 		struct hid_report *report)
2410 {
2411 	struct wacom *wacom = hid_get_drvdata(hdev);
2412 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2413 
2414 	wacom_wac->is_invalid_bt_frame = false;
2415 	return;
2416 }
2417 
2418 static void wacom_wac_pen_report(struct hid_device *hdev,
2419 		struct hid_report *report)
2420 {
2421 	struct wacom *wacom = hid_get_drvdata(hdev);
2422 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2423 	struct input_dev *input = wacom_wac->pen_input;
2424 	bool range = wacom_wac->hid_data.inrange_state;
2425 	bool sense = wacom_wac->hid_data.sense_state;
2426 
2427 	if (wacom_wac->is_invalid_bt_frame)
2428 		return;
2429 
2430 	if (!wacom_wac->tool[0] && range) { /* first in range */
2431 		/* Going into range select tool */
2432 		if (wacom_wac->hid_data.invert_state)
2433 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2434 		else if (wacom_wac->id[0])
2435 			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2436 		else
2437 			wacom_wac->tool[0] = BTN_TOOL_PEN;
2438 	}
2439 
2440 	/* keep pen state for touch events */
2441 	wacom_wac->shared->stylus_in_proximity = sense;
2442 
2443 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2444 		int id = wacom_wac->id[0];
2445 		int sw_state = wacom_wac->hid_data.barrelswitch |
2446 			       (wacom_wac->hid_data.barrelswitch2 << 1);
2447 
2448 		input_report_key(input, BTN_STYLUS, sw_state == 1);
2449 		input_report_key(input, BTN_STYLUS2, sw_state == 2);
2450 		input_report_key(input, BTN_STYLUS3, sw_state == 3);
2451 
2452 		/*
2453 		 * Non-USI EMR tools should have their IDs mangled to
2454 		 * match the legacy behavior of wacom_intuos_general
2455 		 */
2456 		if (wacom_wac->serial[0] >> 52 == 1)
2457 			id = wacom_intuos_id_mangle(id);
2458 
2459 		/*
2460 		 * To ensure compatibility with xf86-input-wacom, we should
2461 		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2462 		 * MSC_SERIAL events.
2463 		 */
2464 		input_report_key(input, BTN_TOUCH,
2465 				wacom_wac->hid_data.tipswitch);
2466 		input_report_key(input, wacom_wac->tool[0], sense);
2467 		if (wacom_wac->serial[0]) {
2468 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2469 			input_report_abs(input, ABS_MISC, sense ? id : 0);
2470 		}
2471 
2472 		wacom_wac->hid_data.tipswitch = false;
2473 
2474 		input_sync(input);
2475 	}
2476 
2477 	if (!sense) {
2478 		wacom_wac->tool[0] = 0;
2479 		wacom_wac->id[0] = 0;
2480 		wacom_wac->serial[0] = 0;
2481 	}
2482 }
2483 
2484 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2485 		struct hid_field *field, struct hid_usage *usage)
2486 {
2487 	struct wacom *wacom = hid_get_drvdata(hdev);
2488 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2489 	struct input_dev *input = wacom_wac->touch_input;
2490 	unsigned touch_max = wacom_wac->features.touch_max;
2491 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2492 
2493 	switch (equivalent_usage) {
2494 	case HID_GD_X:
2495 		if (touch_max == 1)
2496 			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2497 		else
2498 			wacom_map_usage(input, usage, field, EV_ABS,
2499 					ABS_MT_POSITION_X, 4);
2500 		break;
2501 	case HID_GD_Y:
2502 		if (touch_max == 1)
2503 			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2504 		else
2505 			wacom_map_usage(input, usage, field, EV_ABS,
2506 					ABS_MT_POSITION_Y, 4);
2507 		break;
2508 	case HID_DG_WIDTH:
2509 	case HID_DG_HEIGHT:
2510 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2511 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2512 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2513 		break;
2514 	case HID_DG_TIPSWITCH:
2515 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2516 		break;
2517 	case HID_DG_CONTACTCOUNT:
2518 		wacom_wac->hid_data.cc_report = field->report->id;
2519 		wacom_wac->hid_data.cc_index = field->index;
2520 		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2521 		break;
2522 	case HID_DG_CONTACTID:
2523 		if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2524 			/*
2525 			 * The HID descriptor for G11 sensors leaves logical
2526 			 * maximum set to '1' despite it being a multitouch
2527 			 * device. Override to a sensible number.
2528 			 */
2529 			field->logical_maximum = 255;
2530 		}
2531 		break;
2532 	}
2533 }
2534 
2535 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2536 		struct input_dev *input)
2537 {
2538 	struct hid_data *hid_data = &wacom_wac->hid_data;
2539 	bool mt = wacom_wac->features.touch_max > 1;
2540 	bool prox = hid_data->tipswitch &&
2541 		    report_touch_events(wacom_wac);
2542 
2543 	if (touch_is_muted(wacom_wac)) {
2544 		if (!wacom_wac->shared->touch_down)
2545 			return;
2546 		prox = false;
2547 	}
2548 
2549 	wacom_wac->hid_data.num_received++;
2550 	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2551 		return;
2552 
2553 	if (mt) {
2554 		int slot;
2555 
2556 		slot = input_mt_get_slot_by_key(input, hid_data->id);
2557 		if (slot < 0) {
2558 			return;
2559 		} else {
2560 			struct input_mt_slot *ps = &input->mt->slots[slot];
2561 			int mt_id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
2562 
2563 			if (!prox && mt_id < 0) {
2564 				// No data to send for this slot; short-circuit
2565 				return;
2566 			}
2567 		}
2568 
2569 		input_mt_slot(input, slot);
2570 		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2571 	}
2572 	else {
2573 		input_report_key(input, BTN_TOUCH, prox);
2574 	}
2575 
2576 	if (prox) {
2577 		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2578 				 hid_data->x);
2579 		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2580 				 hid_data->y);
2581 
2582 		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2583 			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2584 			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2585 			if (hid_data->width != hid_data->height)
2586 				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2587 		}
2588 	}
2589 }
2590 
2591 static void wacom_wac_finger_event(struct hid_device *hdev,
2592 		struct hid_field *field, struct hid_usage *usage, __s32 value)
2593 {
2594 	struct wacom *wacom = hid_get_drvdata(hdev);
2595 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2596 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2597 	struct wacom_features *features = &wacom->wacom_wac.features;
2598 
2599 	if (touch_is_muted(wacom_wac) && !wacom_wac->shared->touch_down)
2600 		return;
2601 
2602 	if (wacom_wac->is_invalid_bt_frame)
2603 		return;
2604 
2605 	switch (equivalent_usage) {
2606 	case HID_DG_CONFIDENCE:
2607 		wacom_wac->hid_data.confidence = value;
2608 		break;
2609 	case HID_GD_X:
2610 		wacom_wac->hid_data.x = value;
2611 		break;
2612 	case HID_GD_Y:
2613 		wacom_wac->hid_data.y = value;
2614 		break;
2615 	case HID_DG_WIDTH:
2616 		wacom_wac->hid_data.width = value;
2617 		break;
2618 	case HID_DG_HEIGHT:
2619 		wacom_wac->hid_data.height = value;
2620 		break;
2621 	case HID_DG_CONTACTID:
2622 		wacom_wac->hid_data.id = value;
2623 		break;
2624 	case HID_DG_TIPSWITCH:
2625 		wacom_wac->hid_data.tipswitch = value;
2626 		break;
2627 	case WACOM_HID_WT_REPORT_VALID:
2628 		wacom_wac->is_invalid_bt_frame = !value;
2629 		return;
2630 	case HID_DG_CONTACTMAX:
2631 		if (!features->touch_max) {
2632 			features->touch_max = value;
2633 		} else {
2634 			hid_warn(hdev, "%s: ignoring attempt to overwrite non-zero touch_max "
2635 				 "%d -> %d\n", __func__, features->touch_max, value);
2636 		}
2637 		return;
2638 	}
2639 
2640 	if (usage->usage_index + 1 == field->report_count) {
2641 		if (equivalent_usage == wacom_wac->hid_data.last_slot_field &&
2642 		    wacom_wac->hid_data.confidence)
2643 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2644 	}
2645 }
2646 
2647 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2648 		struct hid_report *report)
2649 {
2650 	struct wacom *wacom = hid_get_drvdata(hdev);
2651 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2652 	struct hid_data* hid_data = &wacom_wac->hid_data;
2653 	int i;
2654 
2655 	if (touch_is_muted(wacom_wac) && !wacom_wac->shared->touch_down)
2656 		return;
2657 
2658 	wacom_wac->is_invalid_bt_frame = false;
2659 
2660 	hid_data->confidence = true;
2661 
2662 	for (i = 0; i < report->maxfield; i++) {
2663 		struct hid_field *field = report->field[i];
2664 		int j;
2665 
2666 		for (j = 0; j < field->maxusage; j++) {
2667 			struct hid_usage *usage = &field->usage[j];
2668 			unsigned int equivalent_usage =
2669 				wacom_equivalent_usage(usage->hid);
2670 
2671 			switch (equivalent_usage) {
2672 			case HID_GD_X:
2673 			case HID_GD_Y:
2674 			case HID_DG_WIDTH:
2675 			case HID_DG_HEIGHT:
2676 			case HID_DG_CONTACTID:
2677 			case HID_DG_INRANGE:
2678 			case HID_DG_INVERT:
2679 			case HID_DG_TIPSWITCH:
2680 				hid_data->last_slot_field = equivalent_usage;
2681 				break;
2682 			case HID_DG_CONTACTCOUNT:
2683 				hid_data->cc_report = report->id;
2684 				hid_data->cc_index = i;
2685 				hid_data->cc_value_index = j;
2686 				break;
2687 			}
2688 		}
2689 	}
2690 
2691 	if (hid_data->cc_report != 0 &&
2692 	    hid_data->cc_index >= 0) {
2693 		struct hid_field *field = report->field[hid_data->cc_index];
2694 		int value = field->value[hid_data->cc_value_index];
2695 		if (value)
2696 			hid_data->num_expected = value;
2697 	}
2698 	else {
2699 		hid_data->num_expected = wacom_wac->features.touch_max;
2700 	}
2701 }
2702 
2703 static void wacom_wac_finger_report(struct hid_device *hdev,
2704 		struct hid_report *report)
2705 {
2706 	struct wacom *wacom = hid_get_drvdata(hdev);
2707 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2708 	struct input_dev *input = wacom_wac->touch_input;
2709 	unsigned touch_max = wacom_wac->features.touch_max;
2710 
2711 	/* if there was nothing to process, don't send an empty sync */
2712 	if (wacom_wac->hid_data.num_expected == 0)
2713 		return;
2714 
2715 	/* If more packets of data are expected, give us a chance to
2716 	 * process them rather than immediately syncing a partial
2717 	 * update.
2718 	 */
2719 	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2720 		return;
2721 
2722 	if (touch_max > 1)
2723 		input_mt_sync_frame(input);
2724 
2725 	input_sync(input);
2726 	wacom_wac->hid_data.num_received = 0;
2727 
2728 	/* keep touch state for pen event */
2729 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2730 }
2731 
2732 void wacom_wac_usage_mapping(struct hid_device *hdev,
2733 		struct hid_field *field, struct hid_usage *usage)
2734 {
2735 	struct wacom *wacom = hid_get_drvdata(hdev);
2736 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2737 	struct wacom_features *features = &wacom_wac->features;
2738 
2739 	if (WACOM_DIRECT_DEVICE(field))
2740 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2741 
2742 	/* usage tests must precede field tests */
2743 	if (WACOM_BATTERY_USAGE(usage))
2744 		wacom_wac_battery_usage_mapping(hdev, field, usage);
2745 	else if (WACOM_PAD_FIELD(field))
2746 		wacom_wac_pad_usage_mapping(hdev, field, usage);
2747 	else if (WACOM_PEN_FIELD(field))
2748 		wacom_wac_pen_usage_mapping(hdev, field, usage);
2749 	else if (WACOM_FINGER_FIELD(field))
2750 		wacom_wac_finger_usage_mapping(hdev, field, usage);
2751 }
2752 
2753 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2754 		struct hid_usage *usage, __s32 value)
2755 {
2756 	struct wacom *wacom = hid_get_drvdata(hdev);
2757 
2758 	if (wacom->wacom_wac.features.type != HID_GENERIC)
2759 		return;
2760 
2761 	if (value > field->logical_maximum || value < field->logical_minimum)
2762 		return;
2763 
2764 	/* usage tests must precede field tests */
2765 	if (WACOM_BATTERY_USAGE(usage))
2766 		wacom_wac_battery_event(hdev, field, usage, value);
2767 	else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2768 		wacom_wac_pad_event(hdev, field, usage, value);
2769 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2770 		wacom_wac_pen_event(hdev, field, usage, value);
2771 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2772 		wacom_wac_finger_event(hdev, field, usage, value);
2773 }
2774 
2775 static void wacom_report_events(struct hid_device *hdev,
2776 				struct hid_report *report, int collection_index,
2777 				int field_index)
2778 {
2779 	int r;
2780 
2781 	for (r = field_index; r < report->maxfield; r++) {
2782 		struct hid_field *field;
2783 		unsigned count, n;
2784 
2785 		field = report->field[r];
2786 		count = field->report_count;
2787 
2788 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2789 			continue;
2790 
2791 		for (n = 0 ; n < count; n++) {
2792 			if (field->usage[n].collection_index == collection_index)
2793 				wacom_wac_event(hdev, field, &field->usage[n],
2794 						field->value[n]);
2795 			else
2796 				return;
2797 		}
2798 	}
2799 }
2800 
2801 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2802 			 int collection_index, struct hid_field *field,
2803 			 int field_index)
2804 {
2805 	struct wacom *wacom = hid_get_drvdata(hdev);
2806 
2807 	wacom_report_events(hdev, report, collection_index, field_index);
2808 
2809 	/*
2810 	 * Non-input reports may be sent prior to the device being
2811 	 * completely initialized. Since only their events need
2812 	 * to be processed, exit after 'wacom_report_events' has
2813 	 * been called to prevent potential crashes in the report-
2814 	 * processing functions.
2815 	 */
2816 	if (report->type != HID_INPUT_REPORT)
2817 		return -1;
2818 
2819 	if (WACOM_PAD_FIELD(field))
2820 		return 0;
2821 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2822 		wacom_wac_pen_report(hdev, report);
2823 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2824 		wacom_wac_finger_report(hdev, report);
2825 
2826 	return 0;
2827 }
2828 
2829 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2830 {
2831 	struct wacom *wacom = hid_get_drvdata(hdev);
2832 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2833 	struct hid_field *field;
2834 	bool pad_in_hid_field = false, pen_in_hid_field = false,
2835 		finger_in_hid_field = false, true_pad = false;
2836 	int r;
2837 	int prev_collection = -1;
2838 
2839 	if (wacom_wac->features.type != HID_GENERIC)
2840 		return;
2841 
2842 	for (r = 0; r < report->maxfield; r++) {
2843 		field = report->field[r];
2844 
2845 		if (WACOM_PAD_FIELD(field))
2846 			pad_in_hid_field = true;
2847 		if (WACOM_PEN_FIELD(field))
2848 			pen_in_hid_field = true;
2849 		if (WACOM_FINGER_FIELD(field))
2850 			finger_in_hid_field = true;
2851 		if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2852 			true_pad = true;
2853 	}
2854 
2855 	wacom_wac_battery_pre_report(hdev, report);
2856 
2857 	if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2858 		wacom_wac_pad_pre_report(hdev, report);
2859 	if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2860 		wacom_wac_pen_pre_report(hdev, report);
2861 	if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2862 		wacom_wac_finger_pre_report(hdev, report);
2863 
2864 	for (r = 0; r < report->maxfield; r++) {
2865 		field = report->field[r];
2866 
2867 		if (field->usage[0].collection_index != prev_collection) {
2868 			if (wacom_wac_collection(hdev, report,
2869 				field->usage[0].collection_index, field, r) < 0)
2870 				return;
2871 			prev_collection = field->usage[0].collection_index;
2872 		}
2873 	}
2874 
2875 	wacom_wac_battery_report(hdev, report);
2876 
2877 	if (true_pad && wacom->wacom_wac.pad_input)
2878 		wacom_wac_pad_report(hdev, report, field);
2879 }
2880 
2881 static int wacom_bpt_touch(struct wacom_wac *wacom)
2882 {
2883 	struct wacom_features *features = &wacom->features;
2884 	struct input_dev *input = wacom->touch_input;
2885 	struct input_dev *pad_input = wacom->pad_input;
2886 	unsigned char *data = wacom->data;
2887 	int i;
2888 
2889 	if (data[0] != 0x02)
2890 	    return 0;
2891 
2892 	for (i = 0; i < 2; i++) {
2893 		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2894 		bool touch = report_touch_events(wacom)
2895 			   && (data[offset + 3] & 0x80);
2896 
2897 		input_mt_slot(input, i);
2898 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2899 		if (touch) {
2900 			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2901 			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2902 			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2903 				x <<= 5;
2904 				y <<= 5;
2905 			}
2906 			input_report_abs(input, ABS_MT_POSITION_X, x);
2907 			input_report_abs(input, ABS_MT_POSITION_Y, y);
2908 		}
2909 	}
2910 
2911 	input_mt_sync_frame(input);
2912 
2913 	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2914 	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2915 	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2916 	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2917 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2918 
2919 	return 1;
2920 }
2921 
2922 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2923 {
2924 	struct wacom_features *features = &wacom->features;
2925 	struct input_dev *input = wacom->touch_input;
2926 	bool touch = data[1] & 0x80;
2927 	int slot = input_mt_get_slot_by_key(input, data[0]);
2928 
2929 	if (slot < 0)
2930 		return;
2931 
2932 	touch = touch && report_touch_events(wacom);
2933 
2934 	input_mt_slot(input, slot);
2935 	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2936 
2937 	if (touch) {
2938 		int x = (data[2] << 4) | (data[4] >> 4);
2939 		int y = (data[3] << 4) | (data[4] & 0x0f);
2940 		int width, height;
2941 
2942 		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2943 			width  = data[5] * 100;
2944 			height = data[6] * 100;
2945 		} else {
2946 			/*
2947 			 * "a" is a scaled-down area which we assume is
2948 			 * roughly circular and which can be described as:
2949 			 * a=(pi*r^2)/C.
2950 			 */
2951 			int a = data[5];
2952 			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2953 			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2954 			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2955 			height = width * y_res / x_res;
2956 		}
2957 
2958 		input_report_abs(input, ABS_MT_POSITION_X, x);
2959 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2960 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2961 		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2962 	}
2963 }
2964 
2965 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2966 {
2967 	struct input_dev *input = wacom->pad_input;
2968 	struct wacom_features *features = &wacom->features;
2969 
2970 	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2971 		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2972 		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2973 	} else {
2974 		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2975 		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2976 	}
2977 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2978 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2979 }
2980 
2981 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2982 {
2983 	unsigned char *data = wacom->data;
2984 	int count = data[1] & 0x07;
2985 	int  touch_changed = 0, i;
2986 
2987 	if (data[0] != 0x02)
2988 	    return 0;
2989 
2990 	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2991 	for (i = 0; i < count; i++) {
2992 		int offset = (8 * i) + 2;
2993 		int msg_id = data[offset];
2994 
2995 		if (msg_id >= 2 && msg_id <= 17) {
2996 			wacom_bpt3_touch_msg(wacom, data + offset);
2997 			touch_changed++;
2998 		} else if (msg_id == 128)
2999 			wacom_bpt3_button_msg(wacom, data + offset);
3000 
3001 	}
3002 
3003 	/* only update touch if we actually have a touchpad and touch data changed */
3004 	if (wacom->touch_input && touch_changed) {
3005 		input_mt_sync_frame(wacom->touch_input);
3006 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
3007 	}
3008 
3009 	return 1;
3010 }
3011 
3012 static int wacom_bpt_pen(struct wacom_wac *wacom)
3013 {
3014 	struct wacom_features *features = &wacom->features;
3015 	struct input_dev *input = wacom->pen_input;
3016 	unsigned char *data = wacom->data;
3017 	int x = 0, y = 0, p = 0, d = 0;
3018 	bool pen = false, btn1 = false, btn2 = false;
3019 	bool range, prox, rdy;
3020 
3021 	if (data[0] != WACOM_REPORT_PENABLED)
3022 	    return 0;
3023 
3024 	range = (data[1] & 0x80) == 0x80;
3025 	prox = (data[1] & 0x40) == 0x40;
3026 	rdy = (data[1] & 0x20) == 0x20;
3027 
3028 	wacom->shared->stylus_in_proximity = range;
3029 	if (delay_pen_events(wacom))
3030 		return 0;
3031 
3032 	if (rdy) {
3033 		p = le16_to_cpup((__le16 *)&data[6]);
3034 		pen = data[1] & 0x01;
3035 		btn1 = data[1] & 0x02;
3036 		btn2 = data[1] & 0x04;
3037 	}
3038 	if (prox) {
3039 		x = le16_to_cpup((__le16 *)&data[2]);
3040 		y = le16_to_cpup((__le16 *)&data[4]);
3041 
3042 		if (data[1] & 0x08) {
3043 			wacom->tool[0] = BTN_TOOL_RUBBER;
3044 			wacom->id[0] = ERASER_DEVICE_ID;
3045 		} else {
3046 			wacom->tool[0] = BTN_TOOL_PEN;
3047 			wacom->id[0] = STYLUS_DEVICE_ID;
3048 		}
3049 		wacom->reporting_data = true;
3050 	}
3051 	if (range) {
3052 		/*
3053 		 * Convert distance from out prox to distance from tablet.
3054 		 * distance will be greater than distance_max once
3055 		 * touching and applying pressure; do not report negative
3056 		 * distance.
3057 		 */
3058 		if (data[8] <= features->distance_max)
3059 			d = features->distance_max - data[8];
3060 	} else {
3061 		wacom->id[0] = 0;
3062 	}
3063 
3064 	if (wacom->reporting_data) {
3065 		input_report_key(input, BTN_TOUCH, pen);
3066 		input_report_key(input, BTN_STYLUS, btn1);
3067 		input_report_key(input, BTN_STYLUS2, btn2);
3068 
3069 		if (prox || !range) {
3070 			input_report_abs(input, ABS_X, x);
3071 			input_report_abs(input, ABS_Y, y);
3072 		}
3073 		input_report_abs(input, ABS_PRESSURE, p);
3074 		input_report_abs(input, ABS_DISTANCE, d);
3075 
3076 		input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3077 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3078 	}
3079 
3080 	if (!range) {
3081 		wacom->reporting_data = false;
3082 	}
3083 
3084 	return 1;
3085 }
3086 
3087 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3088 {
3089 	struct wacom_features *features = &wacom->features;
3090 
3091 	if ((features->type == INTUOSHT2) &&
3092 	    (features->device_type & WACOM_DEVICETYPE_PEN))
3093 		return wacom_intuos_irq(wacom);
3094 	else if (len == WACOM_PKGLEN_BBTOUCH)
3095 		return wacom_bpt_touch(wacom);
3096 	else if (len == WACOM_PKGLEN_BBTOUCH3)
3097 		return wacom_bpt3_touch(wacom);
3098 	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3099 		return wacom_bpt_pen(wacom);
3100 
3101 	return 0;
3102 }
3103 
3104 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3105 		unsigned char *data)
3106 {
3107 	unsigned char prefix;
3108 
3109 	/*
3110 	 * We need to reroute the event from the debug interface to the
3111 	 * pen interface.
3112 	 * We need to add the report ID to the actual pen report, so we
3113 	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
3114 	 * and memcpy the report.
3115 	 */
3116 	prefix = data[0];
3117 	data[0] = WACOM_REPORT_BPAD_PEN;
3118 
3119 	/*
3120 	 * actually reroute the event.
3121 	 * No need to check if wacom->shared->pen is valid, hid_input_report()
3122 	 * will check for us.
3123 	 */
3124 	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3125 			 WACOM_PKGLEN_PENABLED, 1);
3126 
3127 	data[0] = prefix;
3128 }
3129 
3130 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3131 		unsigned char *data)
3132 {
3133 	struct input_dev *input = wacom->touch_input;
3134 	unsigned char *finger_data, prefix;
3135 	unsigned id;
3136 	int x, y;
3137 	bool valid;
3138 
3139 	prefix = data[0];
3140 
3141 	for (id = 0; id < wacom->features.touch_max; id++) {
3142 		valid = !!(prefix & BIT(id)) &&
3143 			report_touch_events(wacom);
3144 
3145 		input_mt_slot(input, id);
3146 		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3147 
3148 		if (!valid)
3149 			continue;
3150 
3151 		finger_data = data + 1 + id * 3;
3152 		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3153 		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3154 
3155 		input_report_abs(input, ABS_MT_POSITION_X, x);
3156 		input_report_abs(input, ABS_MT_POSITION_Y, y);
3157 	}
3158 
3159 	input_mt_sync_frame(input);
3160 
3161 	input_report_key(input, BTN_LEFT, prefix & 0x40);
3162 	input_report_key(input, BTN_RIGHT, prefix & 0x80);
3163 
3164 	/* keep touch state for pen event */
3165 	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3166 
3167 	return 1;
3168 }
3169 
3170 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3171 {
3172 	unsigned char *data = wacom->data;
3173 
3174 	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3175 	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3176 	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
3177 		return 0;
3178 
3179 	if (data[1] & 0x01)
3180 		wacom_bamboo_pad_pen_event(wacom, &data[1]);
3181 
3182 	if (data[1] & 0x02)
3183 		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3184 
3185 	return 0;
3186 }
3187 
3188 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3189 {
3190 	unsigned char *data = wacom->data;
3191 	int connected;
3192 
3193 	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3194 		return 0;
3195 
3196 	connected = data[1] & 0x01;
3197 	if (connected) {
3198 		int pid, battery, charging;
3199 
3200 		if ((wacom->shared->type == INTUOSHT ||
3201 		    wacom->shared->type == INTUOSHT2) &&
3202 		    wacom->shared->touch_input &&
3203 		    wacom->shared->touch_max) {
3204 			input_report_switch(wacom->shared->touch_input,
3205 					SW_MUTE_DEVICE, data[5] & 0x40);
3206 			input_sync(wacom->shared->touch_input);
3207 		}
3208 
3209 		pid = get_unaligned_be16(&data[6]);
3210 		battery = (data[5] & 0x3f) * 100 / 31;
3211 		charging = !!(data[5] & 0x80);
3212 		if (wacom->pid != pid) {
3213 			wacom->pid = pid;
3214 			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3215 		}
3216 
3217 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3218 				     battery, charging, 1, 0);
3219 
3220 	} else if (wacom->pid != 0) {
3221 		/* disconnected while previously connected */
3222 		wacom->pid = 0;
3223 		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3224 		wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3225 	}
3226 
3227 	return 0;
3228 }
3229 
3230 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3231 {
3232 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3233 	struct wacom_features *features = &wacom_wac->features;
3234 	unsigned char *data = wacom_wac->data;
3235 
3236 	if (data[0] != WACOM_REPORT_USB)
3237 		return 0;
3238 
3239 	if ((features->type == INTUOSHT ||
3240 	    features->type == INTUOSHT2) &&
3241 	    wacom_wac->shared->touch_input &&
3242 	    features->touch_max) {
3243 		input_report_switch(wacom_wac->shared->touch_input,
3244 				    SW_MUTE_DEVICE, data[8] & 0x40);
3245 		input_sync(wacom_wac->shared->touch_input);
3246 	}
3247 
3248 	if (data[9] & 0x02) { /* wireless module is attached */
3249 		int battery = (data[8] & 0x3f) * 100 / 31;
3250 		bool charging = !!(data[8] & 0x80);
3251 
3252 		wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3253 				     battery, charging, battery || charging, 1);
3254 
3255 		if (!wacom->battery.battery &&
3256 		    !(features->quirks & WACOM_QUIRK_BATTERY)) {
3257 			features->quirks |= WACOM_QUIRK_BATTERY;
3258 			wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3259 		}
3260 	}
3261 	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3262 		 wacom->battery.battery) {
3263 		features->quirks &= ~WACOM_QUIRK_BATTERY;
3264 		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3265 		wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3266 	}
3267 	return 0;
3268 }
3269 
3270 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3271 {
3272 	bool sync;
3273 
3274 	switch (wacom_wac->features.type) {
3275 	case PENPARTNER:
3276 		sync = wacom_penpartner_irq(wacom_wac);
3277 		break;
3278 
3279 	case PL:
3280 		sync = wacom_pl_irq(wacom_wac);
3281 		break;
3282 
3283 	case WACOM_G4:
3284 	case GRAPHIRE:
3285 	case GRAPHIRE_BT:
3286 	case WACOM_MO:
3287 		sync = wacom_graphire_irq(wacom_wac);
3288 		break;
3289 
3290 	case PTU:
3291 		sync = wacom_ptu_irq(wacom_wac);
3292 		break;
3293 
3294 	case DTU:
3295 		sync = wacom_dtu_irq(wacom_wac);
3296 		break;
3297 
3298 	case DTUS:
3299 	case DTUSX:
3300 		sync = wacom_dtus_irq(wacom_wac);
3301 		break;
3302 
3303 	case INTUOS:
3304 	case INTUOS3S:
3305 	case INTUOS3:
3306 	case INTUOS3L:
3307 	case INTUOS4S:
3308 	case INTUOS4:
3309 	case INTUOS4L:
3310 	case CINTIQ:
3311 	case WACOM_BEE:
3312 	case WACOM_13HD:
3313 	case WACOM_21UX2:
3314 	case WACOM_22HD:
3315 	case WACOM_24HD:
3316 	case WACOM_27QHD:
3317 	case DTK:
3318 	case CINTIQ_HYBRID:
3319 	case CINTIQ_COMPANION_2:
3320 		sync = wacom_intuos_irq(wacom_wac);
3321 		break;
3322 
3323 	case INTUOS4WL:
3324 		sync = wacom_intuos_bt_irq(wacom_wac, len);
3325 		break;
3326 
3327 	case WACOM_24HDT:
3328 	case WACOM_27QHDT:
3329 		sync = wacom_24hdt_irq(wacom_wac);
3330 		break;
3331 
3332 	case INTUOS5S:
3333 	case INTUOS5:
3334 	case INTUOS5L:
3335 	case INTUOSPS:
3336 	case INTUOSPM:
3337 	case INTUOSPL:
3338 		if (len == WACOM_PKGLEN_BBTOUCH3)
3339 			sync = wacom_bpt3_touch(wacom_wac);
3340 		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3341 			sync = wacom_status_irq(wacom_wac, len);
3342 		else
3343 			sync = wacom_intuos_irq(wacom_wac);
3344 		break;
3345 
3346 	case INTUOSP2_BT:
3347 	case INTUOSP2S_BT:
3348 	case INTUOSHT3_BT:
3349 		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3350 		break;
3351 
3352 	case TABLETPC:
3353 	case TABLETPCE:
3354 	case TABLETPC2FG:
3355 	case MTSCREEN:
3356 	case MTTPC:
3357 	case MTTPC_B:
3358 		sync = wacom_tpc_irq(wacom_wac, len);
3359 		break;
3360 
3361 	case BAMBOO_PT:
3362 	case BAMBOO_PEN:
3363 	case BAMBOO_TOUCH:
3364 	case INTUOSHT:
3365 	case INTUOSHT2:
3366 		if (wacom_wac->data[0] == WACOM_REPORT_USB)
3367 			sync = wacom_status_irq(wacom_wac, len);
3368 		else
3369 			sync = wacom_bpt_irq(wacom_wac, len);
3370 		break;
3371 
3372 	case BAMBOO_PAD:
3373 		sync = wacom_bamboo_pad_irq(wacom_wac, len);
3374 		break;
3375 
3376 	case WIRELESS:
3377 		sync = wacom_wireless_irq(wacom_wac, len);
3378 		break;
3379 
3380 	case REMOTE:
3381 		sync = false;
3382 		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3383 			wacom_remote_status_irq(wacom_wac, len);
3384 		else
3385 			sync = wacom_remote_irq(wacom_wac, len);
3386 		break;
3387 
3388 	default:
3389 		sync = false;
3390 		break;
3391 	}
3392 
3393 	if (sync) {
3394 		if (wacom_wac->pen_input)
3395 			input_sync(wacom_wac->pen_input);
3396 		if (wacom_wac->touch_input)
3397 			input_sync(wacom_wac->touch_input);
3398 		if (wacom_wac->pad_input)
3399 			input_sync(wacom_wac->pad_input);
3400 	}
3401 }
3402 
3403 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3404 {
3405 	struct input_dev *input_dev = wacom_wac->pen_input;
3406 
3407 	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3408 
3409 	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3410 	__set_bit(BTN_STYLUS, input_dev->keybit);
3411 	__set_bit(BTN_STYLUS2, input_dev->keybit);
3412 
3413 	input_set_abs_params(input_dev, ABS_DISTANCE,
3414 			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3415 }
3416 
3417 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3418 {
3419 	struct input_dev *input_dev = wacom_wac->pen_input;
3420 	struct wacom_features *features = &wacom_wac->features;
3421 
3422 	wacom_setup_basic_pro_pen(wacom_wac);
3423 
3424 	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3425 	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3426 	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3427 	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3428 
3429 	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3430 	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3431 	input_abs_set_res(input_dev, ABS_TILT_X, 57);
3432 	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3433 	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3434 }
3435 
3436 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3437 {
3438 	struct input_dev *input_dev = wacom_wac->pen_input;
3439 
3440 	input_set_capability(input_dev, EV_REL, REL_WHEEL);
3441 
3442 	wacom_setup_cintiq(wacom_wac);
3443 
3444 	__set_bit(BTN_LEFT, input_dev->keybit);
3445 	__set_bit(BTN_RIGHT, input_dev->keybit);
3446 	__set_bit(BTN_MIDDLE, input_dev->keybit);
3447 	__set_bit(BTN_SIDE, input_dev->keybit);
3448 	__set_bit(BTN_EXTRA, input_dev->keybit);
3449 	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3450 	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
3451 
3452 	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3453 	input_abs_set_res(input_dev, ABS_RZ, 287);
3454 	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3455 }
3456 
3457 void wacom_setup_device_quirks(struct wacom *wacom)
3458 {
3459 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3460 	struct wacom_features *features = &wacom->wacom_wac.features;
3461 
3462 	/* The pen and pad share the same interface on most devices */
3463 	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3464 	    features->type == DTUS ||
3465 	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3466 		if (features->device_type & WACOM_DEVICETYPE_PEN)
3467 			features->device_type |= WACOM_DEVICETYPE_PAD;
3468 	}
3469 
3470 	/* touch device found but size is not defined. use default */
3471 	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3472 		features->x_max = 1023;
3473 		features->y_max = 1023;
3474 	}
3475 
3476 	/*
3477 	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3478 	 * touch interface in its HID descriptor. If this is the touch
3479 	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3480 	 * tablet values.
3481 	 */
3482 	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3483 		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3484 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3485 			if (features->touch_max)
3486 				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3487 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3488 				features->device_type |= WACOM_DEVICETYPE_PAD;
3489 
3490 			if (features->type == INTUOSHT2) {
3491 				features->x_max = features->x_max / 10;
3492 				features->y_max = features->y_max / 10;
3493 			}
3494 			else {
3495 				features->x_max = 4096;
3496 				features->y_max = 4096;
3497 			}
3498 		}
3499 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3500 			features->device_type |= WACOM_DEVICETYPE_PAD;
3501 		}
3502 	}
3503 
3504 	/*
3505 	 * Hack for the Bamboo One:
3506 	 * the device presents a PAD/Touch interface as most Bamboos and even
3507 	 * sends ghosts PAD data on it. However, later, we must disable this
3508 	 * ghost interface, and we can not detect it unless we set it here
3509 	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3510 	 */
3511 	if (features->type == BAMBOO_PEN &&
3512 	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3513 		features->device_type |= WACOM_DEVICETYPE_PAD;
3514 
3515 	/*
3516 	 * Raw Wacom-mode pen and touch events both come from interface
3517 	 * 0, whose HID descriptor has an application usage of 0xFF0D
3518 	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3519 	 * out through the HID_GENERIC device created for interface 1,
3520 	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3521 	 */
3522 	if (features->type == BAMBOO_PAD)
3523 		features->device_type = WACOM_DEVICETYPE_TOUCH;
3524 
3525 	if (features->type == REMOTE)
3526 		features->device_type = WACOM_DEVICETYPE_PAD;
3527 
3528 	if (features->type == INTUOSP2_BT ||
3529 	    features->type == INTUOSP2S_BT) {
3530 		features->device_type |= WACOM_DEVICETYPE_PEN |
3531 					 WACOM_DEVICETYPE_PAD |
3532 					 WACOM_DEVICETYPE_TOUCH;
3533 		features->quirks |= WACOM_QUIRK_BATTERY;
3534 	}
3535 
3536 	if (features->type == INTUOSHT3_BT) {
3537 		features->device_type |= WACOM_DEVICETYPE_PEN |
3538 					 WACOM_DEVICETYPE_PAD;
3539 		features->quirks |= WACOM_QUIRK_BATTERY;
3540 	}
3541 
3542 	switch (features->type) {
3543 	case PL:
3544 	case DTU:
3545 	case DTUS:
3546 	case DTUSX:
3547 	case WACOM_21UX2:
3548 	case WACOM_22HD:
3549 	case DTK:
3550 	case WACOM_24HD:
3551 	case WACOM_27QHD:
3552 	case CINTIQ_HYBRID:
3553 	case CINTIQ_COMPANION_2:
3554 	case CINTIQ:
3555 	case WACOM_BEE:
3556 	case WACOM_13HD:
3557 	case WACOM_24HDT:
3558 	case WACOM_27QHDT:
3559 	case TABLETPC:
3560 	case TABLETPCE:
3561 	case TABLETPC2FG:
3562 	case MTSCREEN:
3563 	case MTTPC:
3564 	case MTTPC_B:
3565 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3566 		break;
3567 	}
3568 
3569 	if (wacom->hdev->bus == BUS_BLUETOOTH)
3570 		features->quirks |= WACOM_QUIRK_BATTERY;
3571 
3572 	/* quirk for bamboo touch with 2 low res touches */
3573 	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3574 	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3575 		features->x_max <<= 5;
3576 		features->y_max <<= 5;
3577 		features->x_fuzz <<= 5;
3578 		features->y_fuzz <<= 5;
3579 		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3580 	}
3581 
3582 	if (features->type == WIRELESS) {
3583 		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3584 			features->quirks |= WACOM_QUIRK_BATTERY;
3585 		}
3586 	}
3587 
3588 	if (features->type == REMOTE)
3589 		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3590 
3591 	/* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3592 	 * of things it shouldn't. Lets fix up the damage...
3593 	 */
3594 	if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3595 		features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3596 		__clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3597 		__clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3598 		__clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3599 		__clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3600 		__clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3601 		__clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3602 		__clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3603 		__clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3604 		__clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3605 		__clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3606 		__clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3607 	}
3608 }
3609 
3610 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3611 				   struct wacom_wac *wacom_wac)
3612 {
3613 	struct wacom_features *features = &wacom_wac->features;
3614 
3615 	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3616 		return -ENODEV;
3617 
3618 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3619 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3620 	else
3621 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3622 
3623 	if (features->type == HID_GENERIC)
3624 		/* setup has already been done */
3625 		return 0;
3626 
3627 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3628 	__set_bit(BTN_TOUCH, input_dev->keybit);
3629 	__set_bit(ABS_MISC, input_dev->absbit);
3630 
3631 	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3632 			     features->x_max - features->offset_right,
3633 			     features->x_fuzz, 0);
3634 	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3635 			     features->y_max - features->offset_bottom,
3636 			     features->y_fuzz, 0);
3637 	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3638 		features->pressure_max, features->pressure_fuzz, 0);
3639 
3640 	/* penabled devices have fixed resolution for each model */
3641 	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3642 	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3643 
3644 	switch (features->type) {
3645 	case GRAPHIRE_BT:
3646 		__clear_bit(ABS_MISC, input_dev->absbit);
3647 		fallthrough;
3648 
3649 	case WACOM_MO:
3650 	case WACOM_G4:
3651 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3652 					      features->distance_max,
3653 					      features->distance_fuzz, 0);
3654 		fallthrough;
3655 
3656 	case GRAPHIRE:
3657 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3658 
3659 		__set_bit(BTN_LEFT, input_dev->keybit);
3660 		__set_bit(BTN_RIGHT, input_dev->keybit);
3661 		__set_bit(BTN_MIDDLE, input_dev->keybit);
3662 
3663 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3664 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3665 		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3666 		__set_bit(BTN_STYLUS, input_dev->keybit);
3667 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3668 		break;
3669 
3670 	case WACOM_27QHD:
3671 	case WACOM_24HD:
3672 	case DTK:
3673 	case WACOM_22HD:
3674 	case WACOM_21UX2:
3675 	case WACOM_BEE:
3676 	case CINTIQ:
3677 	case WACOM_13HD:
3678 	case CINTIQ_HYBRID:
3679 	case CINTIQ_COMPANION_2:
3680 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3681 		input_abs_set_res(input_dev, ABS_Z, 287);
3682 		wacom_setup_cintiq(wacom_wac);
3683 		break;
3684 
3685 	case INTUOS3:
3686 	case INTUOS3L:
3687 	case INTUOS3S:
3688 	case INTUOS4:
3689 	case INTUOS4WL:
3690 	case INTUOS4L:
3691 	case INTUOS4S:
3692 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3693 		input_abs_set_res(input_dev, ABS_Z, 287);
3694 		fallthrough;
3695 
3696 	case INTUOS:
3697 		wacom_setup_intuos(wacom_wac);
3698 		break;
3699 
3700 	case INTUOS5:
3701 	case INTUOS5L:
3702 	case INTUOSPM:
3703 	case INTUOSPL:
3704 	case INTUOS5S:
3705 	case INTUOSPS:
3706 	case INTUOSP2_BT:
3707 	case INTUOSP2S_BT:
3708 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3709 				      features->distance_max,
3710 				      features->distance_fuzz, 0);
3711 
3712 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3713 		input_abs_set_res(input_dev, ABS_Z, 287);
3714 
3715 		wacom_setup_intuos(wacom_wac);
3716 		break;
3717 
3718 	case WACOM_24HDT:
3719 	case WACOM_27QHDT:
3720 	case MTSCREEN:
3721 	case MTTPC:
3722 	case MTTPC_B:
3723 	case TABLETPC2FG:
3724 	case TABLETPC:
3725 	case TABLETPCE:
3726 		__clear_bit(ABS_MISC, input_dev->absbit);
3727 		fallthrough;
3728 
3729 	case DTUS:
3730 	case DTUSX:
3731 	case PL:
3732 	case DTU:
3733 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3734 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3735 		__set_bit(BTN_STYLUS, input_dev->keybit);
3736 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3737 		break;
3738 
3739 	case PTU:
3740 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3741 		fallthrough;
3742 
3743 	case PENPARTNER:
3744 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3745 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3746 		__set_bit(BTN_STYLUS, input_dev->keybit);
3747 		break;
3748 
3749 	case INTUOSHT:
3750 	case BAMBOO_PT:
3751 	case BAMBOO_PEN:
3752 	case INTUOSHT2:
3753 	case INTUOSHT3_BT:
3754 		if (features->type == INTUOSHT2 ||
3755 		    features->type == INTUOSHT3_BT) {
3756 			wacom_setup_basic_pro_pen(wacom_wac);
3757 		} else {
3758 			__clear_bit(ABS_MISC, input_dev->absbit);
3759 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3760 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3761 			__set_bit(BTN_STYLUS, input_dev->keybit);
3762 			__set_bit(BTN_STYLUS2, input_dev->keybit);
3763 			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3764 				      features->distance_max,
3765 				      features->distance_fuzz, 0);
3766 		}
3767 		break;
3768 	case BAMBOO_PAD:
3769 		__clear_bit(ABS_MISC, input_dev->absbit);
3770 		break;
3771 	}
3772 	return 0;
3773 }
3774 
3775 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3776 					 struct wacom_wac *wacom_wac)
3777 {
3778 	struct wacom_features *features = &wacom_wac->features;
3779 
3780 	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3781 		return -ENODEV;
3782 
3783 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3784 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3785 	else
3786 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3787 
3788 	if (features->type == HID_GENERIC)
3789 		/* setup has already been done */
3790 		return 0;
3791 
3792 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3793 	__set_bit(BTN_TOUCH, input_dev->keybit);
3794 
3795 	if (features->touch_max == 1) {
3796 		input_set_abs_params(input_dev, ABS_X, 0,
3797 			features->x_max, features->x_fuzz, 0);
3798 		input_set_abs_params(input_dev, ABS_Y, 0,
3799 			features->y_max, features->y_fuzz, 0);
3800 		input_abs_set_res(input_dev, ABS_X,
3801 				  features->x_resolution);
3802 		input_abs_set_res(input_dev, ABS_Y,
3803 				  features->y_resolution);
3804 	}
3805 	else if (features->touch_max > 1) {
3806 		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3807 			features->x_max, features->x_fuzz, 0);
3808 		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3809 			features->y_max, features->y_fuzz, 0);
3810 		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3811 				  features->x_resolution);
3812 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3813 				  features->y_resolution);
3814 	}
3815 
3816 	switch (features->type) {
3817 	case INTUOSP2_BT:
3818 	case INTUOSP2S_BT:
3819 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3820 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3821 
3822 		if (wacom_wac->shared->touch->product == 0x361) {
3823 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3824 					     0, 12440, 4, 0);
3825 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3826 					     0, 8640, 4, 0);
3827 		}
3828 		else if (wacom_wac->shared->touch->product == 0x360) {
3829 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3830 					     0, 8960, 4, 0);
3831 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3832 					     0, 5920, 4, 0);
3833 		}
3834 		else if (wacom_wac->shared->touch->product == 0x393) {
3835 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3836 					     0, 6400, 4, 0);
3837 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3838 					     0, 4000, 4, 0);
3839 		}
3840 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3841 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3842 
3843 		fallthrough;
3844 
3845 	case INTUOS5:
3846 	case INTUOS5L:
3847 	case INTUOSPM:
3848 	case INTUOSPL:
3849 	case INTUOS5S:
3850 	case INTUOSPS:
3851 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3852 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3853 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3854 		break;
3855 
3856 	case WACOM_24HDT:
3857 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3858 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3859 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3860 		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3861 		fallthrough;
3862 
3863 	case WACOM_27QHDT:
3864 		if (wacom_wac->shared->touch->product == 0x32C ||
3865 		    wacom_wac->shared->touch->product == 0xF6) {
3866 			input_dev->evbit[0] |= BIT_MASK(EV_SW);
3867 			__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3868 			wacom_wac->has_mute_touch_switch = true;
3869 			wacom_wac->is_soft_touch_switch = true;
3870 		}
3871 		fallthrough;
3872 
3873 	case MTSCREEN:
3874 	case MTTPC:
3875 	case MTTPC_B:
3876 	case TABLETPC2FG:
3877 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3878 		fallthrough;
3879 
3880 	case TABLETPC:
3881 	case TABLETPCE:
3882 		break;
3883 
3884 	case INTUOSHT:
3885 	case INTUOSHT2:
3886 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3887 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3888 		fallthrough;
3889 
3890 	case BAMBOO_PT:
3891 	case BAMBOO_TOUCH:
3892 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3893 			input_set_abs_params(input_dev,
3894 				     ABS_MT_TOUCH_MAJOR,
3895 				     0, features->x_max, 0, 0);
3896 			input_set_abs_params(input_dev,
3897 				     ABS_MT_TOUCH_MINOR,
3898 				     0, features->y_max, 0, 0);
3899 		}
3900 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3901 		break;
3902 
3903 	case BAMBOO_PAD:
3904 		input_mt_init_slots(input_dev, features->touch_max,
3905 				    INPUT_MT_POINTER);
3906 		__set_bit(BTN_LEFT, input_dev->keybit);
3907 		__set_bit(BTN_RIGHT, input_dev->keybit);
3908 		break;
3909 	}
3910 	return 0;
3911 }
3912 
3913 static int wacom_numbered_button_to_key(int n)
3914 {
3915 	if (n < 10)
3916 		return BTN_0 + n;
3917 	else if (n < 16)
3918 		return BTN_A + (n-10);
3919 	else if (n < 18)
3920 		return BTN_BASE + (n-16);
3921 	else
3922 		return 0;
3923 }
3924 
3925 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3926 				int button_count)
3927 {
3928 	int i;
3929 
3930 	for (i = 0; i < button_count; i++) {
3931 		int key = wacom_numbered_button_to_key(i);
3932 
3933 		if (key)
3934 			__set_bit(key, input_dev->keybit);
3935 	}
3936 }
3937 
3938 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3939 {
3940 	struct wacom_led *led;
3941 	int i;
3942 	bool updated = false;
3943 
3944 	/*
3945 	 * 24HD has LED group 1 to the left and LED group 0 to the right.
3946 	 * So group 0 matches the second half of the buttons and thus the mask
3947 	 * needs to be shifted.
3948 	 */
3949 	if (group == 0)
3950 		mask >>= 8;
3951 
3952 	for (i = 0; i < 3; i++) {
3953 		led = wacom_led_find(wacom, group, i);
3954 		if (!led) {
3955 			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3956 				i, group);
3957 			continue;
3958 		}
3959 		if (!updated && mask & BIT(i)) {
3960 			led->held = true;
3961 			led_trigger_event(&led->trigger, LED_FULL);
3962 		} else {
3963 			led->held = false;
3964 		}
3965 	}
3966 }
3967 
3968 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3969 				 int mask, int group)
3970 {
3971 	int group_button;
3972 
3973 	/*
3974 	 * 21UX2 has LED group 1 to the left and LED group 0
3975 	 * to the right. We need to reverse the group to match this
3976 	 * historical behavior.
3977 	 */
3978 	if (wacom->wacom_wac.features.type == WACOM_21UX2)
3979 		group = 1 - group;
3980 
3981 	group_button = group * (button_count/wacom->led.count);
3982 
3983 	if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3984 		group_button = 8;
3985 
3986 	return mask & (1 << group_button);
3987 }
3988 
3989 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3990 			     int group)
3991 {
3992 	struct wacom_led *led, *next_led;
3993 	int cur;
3994 	bool pressed;
3995 
3996 	if (wacom->wacom_wac.features.type == WACOM_24HD)
3997 		return wacom_24hd_update_leds(wacom, mask, group);
3998 
3999 	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
4000 	cur = wacom->led.groups[group].select;
4001 
4002 	led = wacom_led_find(wacom, group, cur);
4003 	if (!led) {
4004 		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
4005 			cur, group);
4006 		return;
4007 	}
4008 
4009 	if (!pressed) {
4010 		led->held = false;
4011 		return;
4012 	}
4013 
4014 	if (led->held && pressed)
4015 		return;
4016 
4017 	next_led = wacom_led_next(wacom, led);
4018 	if (!next_led) {
4019 		hid_err(wacom->hdev, "can't find next LED in group %d\n",
4020 			group);
4021 		return;
4022 	}
4023 	if (next_led == led)
4024 		return;
4025 
4026 	next_led->held = true;
4027 	led_trigger_event(&next_led->trigger,
4028 			  wacom_leds_brightness_get(next_led));
4029 }
4030 
4031 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
4032 				int button_count, int mask)
4033 {
4034 	struct wacom *wacom = input_get_drvdata(input_dev);
4035 	int i;
4036 
4037 	for (i = 0; i < wacom->led.count; i++)
4038 		wacom_update_led(wacom,  button_count, mask, i);
4039 
4040 	for (i = 0; i < button_count; i++) {
4041 		int key = wacom_numbered_button_to_key(i);
4042 
4043 		if (key)
4044 			input_report_key(input_dev, key, mask & (1 << i));
4045 	}
4046 }
4047 
4048 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
4049 				   struct wacom_wac *wacom_wac)
4050 {
4051 	struct wacom_features *features = &wacom_wac->features;
4052 
4053 	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
4054 		features->device_type |= WACOM_DEVICETYPE_PAD;
4055 
4056 	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4057 		return -ENODEV;
4058 
4059 	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4060 		return -ENODEV;
4061 
4062 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4063 
4064 	/* kept for making legacy xf86-input-wacom working with the wheels */
4065 	__set_bit(ABS_MISC, input_dev->absbit);
4066 
4067 	/* kept for making legacy xf86-input-wacom accepting the pad */
4068 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4069 	      input_dev->absinfo[ABS_X].maximum)))
4070 		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4071 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4072 	      input_dev->absinfo[ABS_Y].maximum)))
4073 		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4074 
4075 	/* kept for making udev and libwacom accepting the pad */
4076 	__set_bit(BTN_STYLUS, input_dev->keybit);
4077 
4078 	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4079 
4080 	switch (features->type) {
4081 
4082 	case CINTIQ_HYBRID:
4083 	case CINTIQ_COMPANION_2:
4084 	case DTK:
4085 	case DTUS:
4086 	case GRAPHIRE_BT:
4087 		break;
4088 
4089 	case WACOM_MO:
4090 		__set_bit(BTN_BACK, input_dev->keybit);
4091 		__set_bit(BTN_LEFT, input_dev->keybit);
4092 		__set_bit(BTN_FORWARD, input_dev->keybit);
4093 		__set_bit(BTN_RIGHT, input_dev->keybit);
4094 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4095 		break;
4096 
4097 	case WACOM_G4:
4098 		__set_bit(BTN_BACK, input_dev->keybit);
4099 		__set_bit(BTN_FORWARD, input_dev->keybit);
4100 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
4101 		break;
4102 
4103 	case WACOM_24HD:
4104 		__set_bit(KEY_PROG1, input_dev->keybit);
4105 		__set_bit(KEY_PROG2, input_dev->keybit);
4106 		__set_bit(KEY_PROG3, input_dev->keybit);
4107 
4108 		__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4109 		__set_bit(KEY_INFO, input_dev->keybit);
4110 
4111 		if (!features->oPid)
4112 			__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4113 
4114 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4115 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4116 		break;
4117 
4118 	case WACOM_27QHD:
4119 		__set_bit(KEY_PROG1, input_dev->keybit);
4120 		__set_bit(KEY_PROG2, input_dev->keybit);
4121 		__set_bit(KEY_PROG3, input_dev->keybit);
4122 
4123 		__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4124 		__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4125 
4126 		if (!features->oPid)
4127 			__set_bit(KEY_CONTROLPANEL, input_dev->keybit);
4128 		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4129 		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4130 		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4131 		input_abs_set_res(input_dev, ABS_Y, 1024);
4132 		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4133 		input_abs_set_res(input_dev, ABS_Z, 1024);
4134 		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4135 		break;
4136 
4137 	case WACOM_22HD:
4138 		__set_bit(KEY_PROG1, input_dev->keybit);
4139 		__set_bit(KEY_PROG2, input_dev->keybit);
4140 		__set_bit(KEY_PROG3, input_dev->keybit);
4141 
4142 		__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4143 		__set_bit(KEY_INFO, input_dev->keybit);
4144 		fallthrough;
4145 
4146 	case WACOM_21UX2:
4147 	case WACOM_BEE:
4148 	case CINTIQ:
4149 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4150 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4151 		break;
4152 
4153 	case WACOM_13HD:
4154 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4155 		break;
4156 
4157 	case INTUOS3:
4158 	case INTUOS3L:
4159 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4160 		fallthrough;
4161 
4162 	case INTUOS3S:
4163 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4164 		break;
4165 
4166 	case INTUOS5:
4167 	case INTUOS5L:
4168 	case INTUOSPM:
4169 	case INTUOSPL:
4170 	case INTUOS5S:
4171 	case INTUOSPS:
4172 	case INTUOSP2_BT:
4173 	case INTUOSP2S_BT:
4174 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4175 		break;
4176 
4177 	case INTUOS4WL:
4178 		/*
4179 		 * For Bluetooth devices, the udev rule does not work correctly
4180 		 * for pads unless we add a stylus capability, which forces
4181 		 * ID_INPUT_TABLET to be set.
4182 		 */
4183 		__set_bit(BTN_STYLUS, input_dev->keybit);
4184 		fallthrough;
4185 
4186 	case INTUOS4:
4187 	case INTUOS4L:
4188 	case INTUOS4S:
4189 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4190 		break;
4191 
4192 	case INTUOSHT:
4193 	case BAMBOO_PT:
4194 	case BAMBOO_TOUCH:
4195 	case INTUOSHT2:
4196 		__clear_bit(ABS_MISC, input_dev->absbit);
4197 
4198 		__set_bit(BTN_LEFT, input_dev->keybit);
4199 		__set_bit(BTN_FORWARD, input_dev->keybit);
4200 		__set_bit(BTN_BACK, input_dev->keybit);
4201 		__set_bit(BTN_RIGHT, input_dev->keybit);
4202 
4203 		break;
4204 
4205 	case REMOTE:
4206 		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4207 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4208 		break;
4209 
4210 	case INTUOSHT3_BT:
4211 	case HID_GENERIC:
4212 		break;
4213 
4214 	default:
4215 		/* no pad supported */
4216 		return -ENODEV;
4217 	}
4218 	return 0;
4219 }
4220 
4221 static const struct wacom_features wacom_features_0x00 =
4222 	{ "Wacom Penpartner", 5040, 3780, 255, 0,
4223 	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4224 static const struct wacom_features wacom_features_0x10 =
4225 	{ "Wacom Graphire", 10206, 7422, 511, 63,
4226 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4227 static const struct wacom_features wacom_features_0x81 =
4228 	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
4229 	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4230 static const struct wacom_features wacom_features_0x11 =
4231 	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4232 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4233 static const struct wacom_features wacom_features_0x12 =
4234 	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4235 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4236 static const struct wacom_features wacom_features_0x13 =
4237 	{ "Wacom Graphire3", 10208, 7424, 511, 63,
4238 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4239 static const struct wacom_features wacom_features_0x14 =
4240 	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4241 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4242 static const struct wacom_features wacom_features_0x15 =
4243 	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4244 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4245 static const struct wacom_features wacom_features_0x16 =
4246 	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4247 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4248 static const struct wacom_features wacom_features_0x17 =
4249 	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4250 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4251 static const struct wacom_features wacom_features_0x18 =
4252 	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4253 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4254 static const struct wacom_features wacom_features_0x19 =
4255 	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4256 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4257 static const struct wacom_features wacom_features_0x60 =
4258 	{ "Wacom Volito", 5104, 3712, 511, 63,
4259 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4260 static const struct wacom_features wacom_features_0x61 =
4261 	{ "Wacom PenStation2", 3250, 2320, 255, 63,
4262 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4263 static const struct wacom_features wacom_features_0x62 =
4264 	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4265 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4266 static const struct wacom_features wacom_features_0x63 =
4267 	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4268 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4269 static const struct wacom_features wacom_features_0x64 =
4270 	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
4271 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4272 static const struct wacom_features wacom_features_0x65 =
4273 	{ "Wacom Bamboo", 14760, 9225, 511, 63,
4274 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4275 static const struct wacom_features wacom_features_0x69 =
4276 	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
4277 	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4278 static const struct wacom_features wacom_features_0x6A =
4279 	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4280 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4281 static const struct wacom_features wacom_features_0x6B =
4282 	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4283 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4284 static const struct wacom_features wacom_features_0x20 =
4285 	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4286 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4287 static const struct wacom_features wacom_features_0x21 =
4288 	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4289 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4290 static const struct wacom_features wacom_features_0x22 =
4291 	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4292 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4293 static const struct wacom_features wacom_features_0x23 =
4294 	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4295 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4296 static const struct wacom_features wacom_features_0x24 =
4297 	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4298 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4299 static const struct wacom_features wacom_features_0x30 =
4300 	{ "Wacom PL400", 5408, 4056, 255, 0,
4301 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4302 static const struct wacom_features wacom_features_0x31 =
4303 	{ "Wacom PL500", 6144, 4608, 255, 0,
4304 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4305 static const struct wacom_features wacom_features_0x32 =
4306 	{ "Wacom PL600", 6126, 4604, 255, 0,
4307 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4308 static const struct wacom_features wacom_features_0x33 =
4309 	{ "Wacom PL600SX", 6260, 5016, 255, 0,
4310 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4311 static const struct wacom_features wacom_features_0x34 =
4312 	{ "Wacom PL550", 6144, 4608, 511, 0,
4313 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4314 static const struct wacom_features wacom_features_0x35 =
4315 	{ "Wacom PL800", 7220, 5780, 511, 0,
4316 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4317 static const struct wacom_features wacom_features_0x37 =
4318 	{ "Wacom PL700", 6758, 5406, 511, 0,
4319 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4320 static const struct wacom_features wacom_features_0x38 =
4321 	{ "Wacom PL510", 6282, 4762, 511, 0,
4322 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4323 static const struct wacom_features wacom_features_0x39 =
4324 	{ "Wacom DTU710", 34080, 27660, 511, 0,
4325 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4326 static const struct wacom_features wacom_features_0xC4 =
4327 	{ "Wacom DTF521", 6282, 4762, 511, 0,
4328 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4329 static const struct wacom_features wacom_features_0xC0 =
4330 	{ "Wacom DTF720", 6858, 5506, 511, 0,
4331 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4332 static const struct wacom_features wacom_features_0xC2 =
4333 	{ "Wacom DTF720a", 6858, 5506, 511, 0,
4334 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4335 static const struct wacom_features wacom_features_0x03 =
4336 	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4337 	  PTU, WACOM_PL_RES, WACOM_PL_RES };
4338 static const struct wacom_features wacom_features_0x41 =
4339 	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4340 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4341 static const struct wacom_features wacom_features_0x42 =
4342 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4343 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4344 static const struct wacom_features wacom_features_0x43 =
4345 	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4346 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4347 static const struct wacom_features wacom_features_0x44 =
4348 	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4349 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4350 static const struct wacom_features wacom_features_0x45 =
4351 	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4352 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4353 static const struct wacom_features wacom_features_0xB0 =
4354 	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4355 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4356 static const struct wacom_features wacom_features_0xB1 =
4357 	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4358 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4359 static const struct wacom_features wacom_features_0xB2 =
4360 	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4361 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4362 static const struct wacom_features wacom_features_0xB3 =
4363 	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4364 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4365 static const struct wacom_features wacom_features_0xB4 =
4366 	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4367 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4368 static const struct wacom_features wacom_features_0xB5 =
4369 	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4370 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4371 static const struct wacom_features wacom_features_0xB7 =
4372 	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4373 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4374 static const struct wacom_features wacom_features_0xB8 =
4375 	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4376 	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4377 static const struct wacom_features wacom_features_0xB9 =
4378 	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4379 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4380 static const struct wacom_features wacom_features_0xBA =
4381 	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4382 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4383 static const struct wacom_features wacom_features_0xBB =
4384 	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4385 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4386 static const struct wacom_features wacom_features_0xBC =
4387 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4388 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4389 static const struct wacom_features wacom_features_0xBD =
4390 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4391 	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4392 static const struct wacom_features wacom_features_0x26 =
4393 	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4394 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4395 static const struct wacom_features wacom_features_0x27 =
4396 	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4397 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4398 static const struct wacom_features wacom_features_0x28 =
4399 	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4400 	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4401 static const struct wacom_features wacom_features_0x29 =
4402 	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4403 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4404 static const struct wacom_features wacom_features_0x2A =
4405 	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4406 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4407 static const struct wacom_features wacom_features_0x314 =
4408 	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4409 	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4410 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4411 static const struct wacom_features wacom_features_0x315 =
4412 	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4413 	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4414 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4415 static const struct wacom_features wacom_features_0x317 =
4416 	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4417 	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4418 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4419 static const struct wacom_features wacom_features_0xF4 =
4420 	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4421 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4422 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4423 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4424 static const struct wacom_features wacom_features_0xF8 =
4425 	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4426 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4427 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4428 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4429 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4430 static const struct wacom_features wacom_features_0xF6 =
4431 	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4432 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4433 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4434 static const struct wacom_features wacom_features_0x32A =
4435 	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4436 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4437 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4438 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4439 static const struct wacom_features wacom_features_0x32B =
4440 	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4441 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4442 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4443 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4444 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4445 static const struct wacom_features wacom_features_0x32C =
4446 	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4447 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4448 static const struct wacom_features wacom_features_0x3F =
4449 	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4450 	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4451 static const struct wacom_features wacom_features_0xC5 =
4452 	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4453 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4454 static const struct wacom_features wacom_features_0xC6 =
4455 	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4456 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4457 static const struct wacom_features wacom_features_0x304 =
4458 	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4459 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4460 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4461 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4462 static const struct wacom_features wacom_features_0x333 =
4463 	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4464 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4465 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4466 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4467 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4468 static const struct wacom_features wacom_features_0x335 =
4469 	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4470 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4471 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4472 static const struct wacom_features wacom_features_0xC7 =
4473 	{ "Wacom DTU1931", 37832, 30305, 511, 0,
4474 	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4475 static const struct wacom_features wacom_features_0xCE =
4476 	{ "Wacom DTU2231", 47864, 27011, 511, 0,
4477 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4478 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4479 static const struct wacom_features wacom_features_0xF0 =
4480 	{ "Wacom DTU1631", 34623, 19553, 511, 0,
4481 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4482 static const struct wacom_features wacom_features_0xFB =
4483 	{ "Wacom DTU1031", 22096, 13960, 511, 0,
4484 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4485 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4486 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4487 static const struct wacom_features wacom_features_0x32F =
4488 	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
4489 	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4490 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4491 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4492 static const struct wacom_features wacom_features_0x336 =
4493 	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
4494 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4495 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4496 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4497 static const struct wacom_features wacom_features_0x57 =
4498 	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
4499 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4500 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4501 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4502 static const struct wacom_features wacom_features_0x59 = /* Pen */
4503 	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
4504 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4505 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4506 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4507 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4508 static const struct wacom_features wacom_features_0x5D = /* Touch */
4509 	{ "Wacom DTH2242",       .type = WACOM_24HDT,
4510 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4511 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4512 static const struct wacom_features wacom_features_0xCC =
4513 	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4514 	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4515 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4516 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4517 static const struct wacom_features wacom_features_0xFA =
4518 	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4519 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4520 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4521 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4522 static const struct wacom_features wacom_features_0x5B =
4523 	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4524 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4525 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4526 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4527 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4528 static const struct wacom_features wacom_features_0x5E =
4529 	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4530 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4531 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4532 static const struct wacom_features wacom_features_0x90 =
4533 	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
4534 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4535 static const struct wacom_features wacom_features_0x93 =
4536 	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4537 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4538 static const struct wacom_features wacom_features_0x97 =
4539 	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4540 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4541 static const struct wacom_features wacom_features_0x9A =
4542 	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4543 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4544 static const struct wacom_features wacom_features_0x9F =
4545 	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4546 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4547 static const struct wacom_features wacom_features_0xE2 =
4548 	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4549 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4550 static const struct wacom_features wacom_features_0xE3 =
4551 	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4552 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4553 static const struct wacom_features wacom_features_0xE5 =
4554 	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4555 	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4556 static const struct wacom_features wacom_features_0xE6 =
4557 	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4558 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4559 static const struct wacom_features wacom_features_0xEC =
4560 	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4561 	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4562 static const struct wacom_features wacom_features_0xED =
4563 	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4564 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4565 static const struct wacom_features wacom_features_0xEF =
4566 	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4567 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4568 static const struct wacom_features wacom_features_0x100 =
4569 	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4570 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4571 static const struct wacom_features wacom_features_0x101 =
4572 	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4573 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4574 static const struct wacom_features wacom_features_0x10D =
4575 	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4576 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4577 static const struct wacom_features wacom_features_0x10E =
4578 	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4579 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4580 static const struct wacom_features wacom_features_0x10F =
4581 	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4582 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4583 static const struct wacom_features wacom_features_0x116 =
4584 	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4585 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4586 static const struct wacom_features wacom_features_0x12C =
4587 	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4588 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4589 static const struct wacom_features wacom_features_0x4001 =
4590 	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4591 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4592 static const struct wacom_features wacom_features_0x4004 =
4593 	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4594 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4595 static const struct wacom_features wacom_features_0x5000 =
4596 	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4597 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4598 static const struct wacom_features wacom_features_0x5002 =
4599 	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4600 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4601 static const struct wacom_features wacom_features_0x47 =
4602 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4603 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4604 static const struct wacom_features wacom_features_0x84 =
4605 	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4606 static const struct wacom_features wacom_features_0xD0 =
4607 	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4608 	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4609 static const struct wacom_features wacom_features_0xD1 =
4610 	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4611 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4612 static const struct wacom_features wacom_features_0xD2 =
4613 	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4614 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4615 static const struct wacom_features wacom_features_0xD3 =
4616 	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4617 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4618 static const struct wacom_features wacom_features_0xD4 =
4619 	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4620 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4621 static const struct wacom_features wacom_features_0xD5 =
4622 	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4623 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4624 static const struct wacom_features wacom_features_0xD6 =
4625 	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4626 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4627 static const struct wacom_features wacom_features_0xD7 =
4628 	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4629 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4630 static const struct wacom_features wacom_features_0xD8 =
4631 	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4632 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4633 static const struct wacom_features wacom_features_0xDA =
4634 	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4635 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4636 static const struct wacom_features wacom_features_0xDB =
4637 	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4638 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4639 static const struct wacom_features wacom_features_0xDD =
4640         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4641           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4642 static const struct wacom_features wacom_features_0xDE =
4643         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4644 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4645 static const struct wacom_features wacom_features_0xDF =
4646         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4647 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4648 static const struct wacom_features wacom_features_0x300 =
4649 	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4650 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4651 static const struct wacom_features wacom_features_0x301 =
4652 	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4653 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4654 static const struct wacom_features wacom_features_0x302 =
4655 	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4656 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4657 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4658 static const struct wacom_features wacom_features_0x303 =
4659 	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4660 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4661 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4662 static const struct wacom_features wacom_features_0x30E =
4663 	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4664 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4665 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4666 static const struct wacom_features wacom_features_0x6004 =
4667 	{ "ISD-V4", 12800, 8000, 255, 0,
4668 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4669 static const struct wacom_features wacom_features_0x307 =
4670 	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4671 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4672 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4673 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4674 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4675 static const struct wacom_features wacom_features_0x309 =
4676 	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4677 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4678 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4679 static const struct wacom_features wacom_features_0x30A =
4680 	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4681 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4682 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4683 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4684 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4685 static const struct wacom_features wacom_features_0x30C =
4686 	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4687 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4688 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4689 static const struct wacom_features wacom_features_0x318 =
4690 	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4691 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4692 static const struct wacom_features wacom_features_0x319 =
4693 	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4694 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4695 static const struct wacom_features wacom_features_0x325 =
4696 	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4697 	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4698 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4699 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4700 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4701 static const struct wacom_features wacom_features_0x326 = /* Touch */
4702 	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4703 	  .oPid = 0x325 };
4704 static const struct wacom_features wacom_features_0x323 =
4705 	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4706 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4707 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4708 static const struct wacom_features wacom_features_0x331 =
4709 	{ "Wacom Express Key Remote", .type = REMOTE,
4710 	  .numbered_buttons = 18, .check_for_hid_type = true,
4711 	  .hid_type = HID_TYPE_USBNONE };
4712 static const struct wacom_features wacom_features_0x33B =
4713 	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4714 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4715 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4716 static const struct wacom_features wacom_features_0x33C =
4717 	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4718 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4719 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4720 static const struct wacom_features wacom_features_0x33D =
4721 	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4722 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4723 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4724 static const struct wacom_features wacom_features_0x33E =
4725 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4726 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4727 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4728 static const struct wacom_features wacom_features_0x343 =
4729 	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4730 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4731 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4732 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4733 static const struct wacom_features wacom_features_0x360 =
4734 	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4735 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4736 static const struct wacom_features wacom_features_0x361 =
4737 	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4738 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4739 static const struct wacom_features wacom_features_0x377 =
4740 	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4741 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4742 static const struct wacom_features wacom_features_0x379 =
4743 	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4744 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4745 static const struct wacom_features wacom_features_0x37A =
4746 	{ "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4747 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4748 static const struct wacom_features wacom_features_0x37B =
4749 	{ "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4750 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4751 static const struct wacom_features wacom_features_0x393 =
4752 	{ "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4753 	  INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4754 	  .touch_max = 10 };
4755 static const struct wacom_features wacom_features_0x3c6 =
4756 	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4757 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4758 static const struct wacom_features wacom_features_0x3c8 =
4759 	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4760 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4761 
4762 static const struct wacom_features wacom_features_HID_ANY_ID =
4763 	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4764 
4765 #define USB_DEVICE_WACOM(prod)						\
4766 	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4767 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4768 
4769 #define BT_DEVICE_WACOM(prod)						\
4770 	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4771 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4772 
4773 #define I2C_DEVICE_WACOM(prod)						\
4774 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4775 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4776 
4777 #define USB_DEVICE_LENOVO(prod)					\
4778 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4779 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4780 
4781 const struct hid_device_id wacom_ids[] = {
4782 	{ USB_DEVICE_WACOM(0x00) },
4783 	{ USB_DEVICE_WACOM(0x03) },
4784 	{ USB_DEVICE_WACOM(0x10) },
4785 	{ USB_DEVICE_WACOM(0x11) },
4786 	{ USB_DEVICE_WACOM(0x12) },
4787 	{ USB_DEVICE_WACOM(0x13) },
4788 	{ USB_DEVICE_WACOM(0x14) },
4789 	{ USB_DEVICE_WACOM(0x15) },
4790 	{ USB_DEVICE_WACOM(0x16) },
4791 	{ USB_DEVICE_WACOM(0x17) },
4792 	{ USB_DEVICE_WACOM(0x18) },
4793 	{ USB_DEVICE_WACOM(0x19) },
4794 	{ USB_DEVICE_WACOM(0x20) },
4795 	{ USB_DEVICE_WACOM(0x21) },
4796 	{ USB_DEVICE_WACOM(0x22) },
4797 	{ USB_DEVICE_WACOM(0x23) },
4798 	{ USB_DEVICE_WACOM(0x24) },
4799 	{ USB_DEVICE_WACOM(0x26) },
4800 	{ USB_DEVICE_WACOM(0x27) },
4801 	{ USB_DEVICE_WACOM(0x28) },
4802 	{ USB_DEVICE_WACOM(0x29) },
4803 	{ USB_DEVICE_WACOM(0x2A) },
4804 	{ USB_DEVICE_WACOM(0x30) },
4805 	{ USB_DEVICE_WACOM(0x31) },
4806 	{ USB_DEVICE_WACOM(0x32) },
4807 	{ USB_DEVICE_WACOM(0x33) },
4808 	{ USB_DEVICE_WACOM(0x34) },
4809 	{ USB_DEVICE_WACOM(0x35) },
4810 	{ USB_DEVICE_WACOM(0x37) },
4811 	{ USB_DEVICE_WACOM(0x38) },
4812 	{ USB_DEVICE_WACOM(0x39) },
4813 	{ USB_DEVICE_WACOM(0x3F) },
4814 	{ USB_DEVICE_WACOM(0x41) },
4815 	{ USB_DEVICE_WACOM(0x42) },
4816 	{ USB_DEVICE_WACOM(0x43) },
4817 	{ USB_DEVICE_WACOM(0x44) },
4818 	{ USB_DEVICE_WACOM(0x45) },
4819 	{ USB_DEVICE_WACOM(0x47) },
4820 	{ USB_DEVICE_WACOM(0x57) },
4821 	{ USB_DEVICE_WACOM(0x59) },
4822 	{ USB_DEVICE_WACOM(0x5B) },
4823 	{ USB_DEVICE_WACOM(0x5D) },
4824 	{ USB_DEVICE_WACOM(0x5E) },
4825 	{ USB_DEVICE_WACOM(0x60) },
4826 	{ USB_DEVICE_WACOM(0x61) },
4827 	{ USB_DEVICE_WACOM(0x62) },
4828 	{ USB_DEVICE_WACOM(0x63) },
4829 	{ USB_DEVICE_WACOM(0x64) },
4830 	{ USB_DEVICE_WACOM(0x65) },
4831 	{ USB_DEVICE_WACOM(0x69) },
4832 	{ USB_DEVICE_WACOM(0x6A) },
4833 	{ USB_DEVICE_WACOM(0x6B) },
4834 	{ BT_DEVICE_WACOM(0x81) },
4835 	{ USB_DEVICE_WACOM(0x84) },
4836 	{ USB_DEVICE_WACOM(0x90) },
4837 	{ USB_DEVICE_WACOM(0x93) },
4838 	{ USB_DEVICE_WACOM(0x97) },
4839 	{ USB_DEVICE_WACOM(0x9A) },
4840 	{ USB_DEVICE_WACOM(0x9F) },
4841 	{ USB_DEVICE_WACOM(0xB0) },
4842 	{ USB_DEVICE_WACOM(0xB1) },
4843 	{ USB_DEVICE_WACOM(0xB2) },
4844 	{ USB_DEVICE_WACOM(0xB3) },
4845 	{ USB_DEVICE_WACOM(0xB4) },
4846 	{ USB_DEVICE_WACOM(0xB5) },
4847 	{ USB_DEVICE_WACOM(0xB7) },
4848 	{ USB_DEVICE_WACOM(0xB8) },
4849 	{ USB_DEVICE_WACOM(0xB9) },
4850 	{ USB_DEVICE_WACOM(0xBA) },
4851 	{ USB_DEVICE_WACOM(0xBB) },
4852 	{ USB_DEVICE_WACOM(0xBC) },
4853 	{ BT_DEVICE_WACOM(0xBD) },
4854 	{ USB_DEVICE_WACOM(0xC0) },
4855 	{ USB_DEVICE_WACOM(0xC2) },
4856 	{ USB_DEVICE_WACOM(0xC4) },
4857 	{ USB_DEVICE_WACOM(0xC5) },
4858 	{ USB_DEVICE_WACOM(0xC6) },
4859 	{ USB_DEVICE_WACOM(0xC7) },
4860 	{ USB_DEVICE_WACOM(0xCC) },
4861 	{ USB_DEVICE_WACOM(0xCE) },
4862 	{ USB_DEVICE_WACOM(0xD0) },
4863 	{ USB_DEVICE_WACOM(0xD1) },
4864 	{ USB_DEVICE_WACOM(0xD2) },
4865 	{ USB_DEVICE_WACOM(0xD3) },
4866 	{ USB_DEVICE_WACOM(0xD4) },
4867 	{ USB_DEVICE_WACOM(0xD5) },
4868 	{ USB_DEVICE_WACOM(0xD6) },
4869 	{ USB_DEVICE_WACOM(0xD7) },
4870 	{ USB_DEVICE_WACOM(0xD8) },
4871 	{ USB_DEVICE_WACOM(0xDA) },
4872 	{ USB_DEVICE_WACOM(0xDB) },
4873 	{ USB_DEVICE_WACOM(0xDD) },
4874 	{ USB_DEVICE_WACOM(0xDE) },
4875 	{ USB_DEVICE_WACOM(0xDF) },
4876 	{ USB_DEVICE_WACOM(0xE2) },
4877 	{ USB_DEVICE_WACOM(0xE3) },
4878 	{ USB_DEVICE_WACOM(0xE5) },
4879 	{ USB_DEVICE_WACOM(0xE6) },
4880 	{ USB_DEVICE_WACOM(0xEC) },
4881 	{ USB_DEVICE_WACOM(0xED) },
4882 	{ USB_DEVICE_WACOM(0xEF) },
4883 	{ USB_DEVICE_WACOM(0xF0) },
4884 	{ USB_DEVICE_WACOM(0xF4) },
4885 	{ USB_DEVICE_WACOM(0xF6) },
4886 	{ USB_DEVICE_WACOM(0xF8) },
4887 	{ USB_DEVICE_WACOM(0xFA) },
4888 	{ USB_DEVICE_WACOM(0xFB) },
4889 	{ USB_DEVICE_WACOM(0x100) },
4890 	{ USB_DEVICE_WACOM(0x101) },
4891 	{ USB_DEVICE_WACOM(0x10D) },
4892 	{ USB_DEVICE_WACOM(0x10E) },
4893 	{ USB_DEVICE_WACOM(0x10F) },
4894 	{ USB_DEVICE_WACOM(0x116) },
4895 	{ USB_DEVICE_WACOM(0x12C) },
4896 	{ USB_DEVICE_WACOM(0x300) },
4897 	{ USB_DEVICE_WACOM(0x301) },
4898 	{ USB_DEVICE_WACOM(0x302) },
4899 	{ USB_DEVICE_WACOM(0x303) },
4900 	{ USB_DEVICE_WACOM(0x304) },
4901 	{ USB_DEVICE_WACOM(0x307) },
4902 	{ USB_DEVICE_WACOM(0x309) },
4903 	{ USB_DEVICE_WACOM(0x30A) },
4904 	{ USB_DEVICE_WACOM(0x30C) },
4905 	{ USB_DEVICE_WACOM(0x30E) },
4906 	{ USB_DEVICE_WACOM(0x314) },
4907 	{ USB_DEVICE_WACOM(0x315) },
4908 	{ USB_DEVICE_WACOM(0x317) },
4909 	{ USB_DEVICE_WACOM(0x318) },
4910 	{ USB_DEVICE_WACOM(0x319) },
4911 	{ USB_DEVICE_WACOM(0x323) },
4912 	{ USB_DEVICE_WACOM(0x325) },
4913 	{ USB_DEVICE_WACOM(0x326) },
4914 	{ USB_DEVICE_WACOM(0x32A) },
4915 	{ USB_DEVICE_WACOM(0x32B) },
4916 	{ USB_DEVICE_WACOM(0x32C) },
4917 	{ USB_DEVICE_WACOM(0x32F) },
4918 	{ USB_DEVICE_WACOM(0x331) },
4919 	{ USB_DEVICE_WACOM(0x333) },
4920 	{ USB_DEVICE_WACOM(0x335) },
4921 	{ USB_DEVICE_WACOM(0x336) },
4922 	{ USB_DEVICE_WACOM(0x33B) },
4923 	{ USB_DEVICE_WACOM(0x33C) },
4924 	{ USB_DEVICE_WACOM(0x33D) },
4925 	{ USB_DEVICE_WACOM(0x33E) },
4926 	{ USB_DEVICE_WACOM(0x343) },
4927 	{ BT_DEVICE_WACOM(0x360) },
4928 	{ BT_DEVICE_WACOM(0x361) },
4929 	{ BT_DEVICE_WACOM(0x377) },
4930 	{ BT_DEVICE_WACOM(0x379) },
4931 	{ USB_DEVICE_WACOM(0x37A) },
4932 	{ USB_DEVICE_WACOM(0x37B) },
4933 	{ BT_DEVICE_WACOM(0x393) },
4934 	{ BT_DEVICE_WACOM(0x3c6) },
4935 	{ BT_DEVICE_WACOM(0x3c8) },
4936 	{ USB_DEVICE_WACOM(0x4001) },
4937 	{ USB_DEVICE_WACOM(0x4004) },
4938 	{ USB_DEVICE_WACOM(0x5000) },
4939 	{ USB_DEVICE_WACOM(0x5002) },
4940 	{ USB_DEVICE_LENOVO(0x6004) },
4941 
4942 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
4943 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
4944 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
4945 	{ }
4946 };
4947 MODULE_DEVICE_TABLE(hid, wacom_ids);
4948