xref: /openbmc/linux/drivers/hid/wacom_wac.c (revision de3a9980)
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 report_touch_events(struct wacom_wac *wacom)
828 {
829 	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
830 }
831 
832 static inline bool delay_pen_events(struct wacom_wac *wacom)
833 {
834 	return (wacom->shared->touch_down && touch_arbitration);
835 }
836 
837 static int wacom_intuos_general(struct wacom_wac *wacom)
838 {
839 	struct wacom_features *features = &wacom->features;
840 	unsigned char *data = wacom->data;
841 	struct input_dev *input = wacom->pen_input;
842 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
843 	unsigned char type = (data[1] >> 1) & 0x0F;
844 	unsigned int x, y, distance, t;
845 
846 	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
847 		data[0] != WACOM_REPORT_INTUOS_PEN)
848 		return 0;
849 
850 	if (delay_pen_events(wacom))
851 		return 1;
852 
853 	/* don't report events if we don't know the tool ID */
854 	if (!wacom->id[idx]) {
855 		/* but reschedule a read of the current tool */
856 		wacom_intuos_schedule_prox_event(wacom);
857 		return 1;
858 	}
859 
860 	/*
861 	 * don't report events for invalid data
862 	 */
863 	/* older I4 styli don't work with new Cintiqs */
864 	if ((!((wacom->id[idx] >> 16) & 0x01) &&
865 			(features->type == WACOM_21UX2)) ||
866 	    /* Only large Intuos support Lense Cursor */
867 	    (wacom->tool[idx] == BTN_TOOL_LENS &&
868 		(features->type == INTUOS3 ||
869 		 features->type == INTUOS3S ||
870 		 features->type == INTUOS4 ||
871 		 features->type == INTUOS4S ||
872 		 features->type == INTUOS5 ||
873 		 features->type == INTUOS5S ||
874 		 features->type == INTUOSPM ||
875 		 features->type == INTUOSPS)) ||
876 	   /* Cintiq doesn't send data when RDY bit isn't set */
877 	   (features->type == CINTIQ && !(data[1] & 0x40)))
878 		return 1;
879 
880 	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
881 	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
882 	distance = data[9] >> 2;
883 	if (features->type < INTUOS3S) {
884 		x >>= 1;
885 		y >>= 1;
886 		distance >>= 1;
887 	}
888 	if (features->type == INTUOSHT2)
889 		distance = features->distance_max - distance;
890 	input_report_abs(input, ABS_X, x);
891 	input_report_abs(input, ABS_Y, y);
892 	input_report_abs(input, ABS_DISTANCE, distance);
893 
894 	switch (type) {
895 	case 0x00:
896 	case 0x01:
897 	case 0x02:
898 	case 0x03:
899 		/* general pen packet */
900 		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
901 		if (features->pressure_max < 2047)
902 			t >>= 1;
903 		input_report_abs(input, ABS_PRESSURE, t);
904 		if (features->type != INTUOSHT2) {
905 		    input_report_abs(input, ABS_TILT_X,
906 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
907 		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
908 		}
909 		input_report_key(input, BTN_STYLUS, data[1] & 2);
910 		input_report_key(input, BTN_STYLUS2, data[1] & 4);
911 		input_report_key(input, BTN_TOUCH, t > 10);
912 		break;
913 
914 	case 0x0a:
915 		/* airbrush second packet */
916 		input_report_abs(input, ABS_WHEEL,
917 				(data[6] << 2) | ((data[7] >> 6) & 3));
918 		input_report_abs(input, ABS_TILT_X,
919 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
920 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
921 		break;
922 
923 	case 0x05:
924 		/* Rotation packet */
925 		if (features->type >= INTUOS3S) {
926 			/* I3 marker pen rotation */
927 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
928 			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
929 				((t-1) / 2 + 450)) : (450 - t / 2) ;
930 			input_report_abs(input, ABS_Z, t);
931 		} else {
932 			/* 4D mouse 2nd packet */
933 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
934 			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
935 				((t - 1) / 2) : -t / 2);
936 		}
937 		break;
938 
939 	case 0x04:
940 		/* 4D mouse 1st packet */
941 		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
942 		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
943 		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
944 
945 		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
946 		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
947 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
948 		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
949 		break;
950 
951 	case 0x06:
952 		/* I4 mouse */
953 		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
954 		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
955 		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
956 		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
957 				 - ((data[7] & 0x40) >> 6));
958 		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
959 		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
960 
961 		input_report_abs(input, ABS_TILT_X,
962 			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
963 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
964 		break;
965 
966 	case 0x08:
967 		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
968 			/* 2D mouse packet */
969 			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
970 			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
971 			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
972 			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
973 					 - ((data[8] & 0x02) >> 1));
974 
975 			/* I3 2D mouse side buttons */
976 			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
977 				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
978 				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
979 			}
980 		}
981 		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
982 			/* Lens cursor packets */
983 			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
984 			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
985 			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
986 			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
987 			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
988 		}
989 		break;
990 
991 	case 0x07:
992 	case 0x09:
993 	case 0x0b:
994 	case 0x0c:
995 	case 0x0d:
996 	case 0x0e:
997 	case 0x0f:
998 		/* unhandled */
999 		break;
1000 	}
1001 
1002 	input_report_abs(input, ABS_MISC,
1003 			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
1004 	input_report_key(input, wacom->tool[idx], 1);
1005 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
1006 	wacom->reporting_data = true;
1007 	return 2;
1008 }
1009 
1010 static int wacom_intuos_irq(struct wacom_wac *wacom)
1011 {
1012 	unsigned char *data = wacom->data;
1013 	struct input_dev *input = wacom->pen_input;
1014 	int result;
1015 
1016 	if (data[0] != WACOM_REPORT_PENABLED &&
1017 	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
1018 	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
1019 	    data[0] != WACOM_REPORT_INTUOSPAD &&
1020 	    data[0] != WACOM_REPORT_INTUOS_PEN &&
1021 	    data[0] != WACOM_REPORT_CINTIQ &&
1022 	    data[0] != WACOM_REPORT_CINTIQPAD &&
1023 	    data[0] != WACOM_REPORT_INTUOS5PAD) {
1024 		dev_dbg(input->dev.parent,
1025 			"%s: received unknown report #%d\n", __func__, data[0]);
1026                 return 0;
1027 	}
1028 
1029 	/* process pad events */
1030 	result = wacom_intuos_pad(wacom);
1031 	if (result)
1032 		return result;
1033 
1034 	/* process in/out prox events */
1035 	result = wacom_intuos_inout(wacom);
1036 	if (result)
1037 		return result - 1;
1038 
1039 	/* process general packets */
1040 	result = wacom_intuos_general(wacom);
1041 	if (result)
1042 		return result - 1;
1043 
1044 	return 0;
1045 }
1046 
1047 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1048 {
1049 	unsigned char *data = wacom_wac->data;
1050 	struct input_dev *input;
1051 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1052 	struct wacom_remote *remote = wacom->remote;
1053 	int bat_charging, bat_percent, touch_ring_mode;
1054 	__u32 serial;
1055 	int i, index = -1;
1056 	unsigned long flags;
1057 
1058 	if (data[0] != WACOM_REPORT_REMOTE) {
1059 		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1060 			__func__, data[0]);
1061 		return 0;
1062 	}
1063 
1064 	serial = data[3] + (data[4] << 8) + (data[5] << 16);
1065 	wacom_wac->id[0] = PAD_DEVICE_ID;
1066 
1067 	spin_lock_irqsave(&remote->remote_lock, flags);
1068 
1069 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1070 		if (remote->remotes[i].serial == serial) {
1071 			index = i;
1072 			break;
1073 		}
1074 	}
1075 
1076 	if (index < 0 || !remote->remotes[index].registered)
1077 		goto out;
1078 
1079 	input = remote->remotes[index].input;
1080 
1081 	input_report_key(input, BTN_0, (data[9] & 0x01));
1082 	input_report_key(input, BTN_1, (data[9] & 0x02));
1083 	input_report_key(input, BTN_2, (data[9] & 0x04));
1084 	input_report_key(input, BTN_3, (data[9] & 0x08));
1085 	input_report_key(input, BTN_4, (data[9] & 0x10));
1086 	input_report_key(input, BTN_5, (data[9] & 0x20));
1087 	input_report_key(input, BTN_6, (data[9] & 0x40));
1088 	input_report_key(input, BTN_7, (data[9] & 0x80));
1089 
1090 	input_report_key(input, BTN_8, (data[10] & 0x01));
1091 	input_report_key(input, BTN_9, (data[10] & 0x02));
1092 	input_report_key(input, BTN_A, (data[10] & 0x04));
1093 	input_report_key(input, BTN_B, (data[10] & 0x08));
1094 	input_report_key(input, BTN_C, (data[10] & 0x10));
1095 	input_report_key(input, BTN_X, (data[10] & 0x20));
1096 	input_report_key(input, BTN_Y, (data[10] & 0x40));
1097 	input_report_key(input, BTN_Z, (data[10] & 0x80));
1098 
1099 	input_report_key(input, BTN_BASE, (data[11] & 0x01));
1100 	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1101 
1102 	if (data[12] & 0x80)
1103 		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1104 	else
1105 		input_report_abs(input, ABS_WHEEL, 0);
1106 
1107 	bat_percent = data[7] & 0x7f;
1108 	bat_charging = !!(data[7] & 0x80);
1109 
1110 	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1111 		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1112 	else
1113 		input_report_abs(input, ABS_MISC, 0);
1114 
1115 	input_event(input, EV_MSC, MSC_SERIAL, serial);
1116 
1117 	input_sync(input);
1118 
1119 	/*Which mode select (LED light) is currently on?*/
1120 	touch_ring_mode = (data[11] & 0xC0) >> 6;
1121 
1122 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1123 		if (remote->remotes[i].serial == serial)
1124 			wacom->led.groups[i].select = touch_ring_mode;
1125 	}
1126 
1127 	__wacom_notify_battery(&remote->remotes[index].battery,
1128 				WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1129 				bat_charging, 1, bat_charging);
1130 
1131 out:
1132 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1133 	return 0;
1134 }
1135 
1136 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1137 {
1138 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1139 	unsigned char *data = wacom_wac->data;
1140 	struct wacom_remote *remote = wacom->remote;
1141 	struct wacom_remote_data remote_data;
1142 	unsigned long flags;
1143 	int i, ret;
1144 
1145 	if (data[0] != WACOM_REPORT_DEVICE_LIST)
1146 		return;
1147 
1148 	memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1149 
1150 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1151 		int j = i * 6;
1152 		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1153 		bool connected = data[j+2];
1154 
1155 		remote_data.remote[i].serial = serial;
1156 		remote_data.remote[i].connected = connected;
1157 	}
1158 
1159 	spin_lock_irqsave(&remote->remote_lock, flags);
1160 
1161 	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1162 	if (ret != sizeof(remote_data)) {
1163 		spin_unlock_irqrestore(&remote->remote_lock, flags);
1164 		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1165 		return;
1166 	}
1167 
1168 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1169 
1170 	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1171 }
1172 
1173 static int int_dist(int x1, int y1, int x2, int y2)
1174 {
1175 	int x = x2 - x1;
1176 	int y = y2 - y1;
1177 
1178 	return int_sqrt(x*x + y*y);
1179 }
1180 
1181 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1182 		unsigned char *data)
1183 {
1184 	memcpy(wacom->data, data, 10);
1185 	wacom_intuos_irq(wacom);
1186 
1187 	input_sync(wacom->pen_input);
1188 	if (wacom->pad_input)
1189 		input_sync(wacom->pad_input);
1190 }
1191 
1192 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1193 {
1194 	unsigned char data[WACOM_PKGLEN_MAX];
1195 	int i = 1;
1196 	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1197 
1198 	memcpy(data, wacom->data, len);
1199 
1200 	switch (data[0]) {
1201 	case 0x04:
1202 		wacom_intuos_bt_process_data(wacom, data + i);
1203 		i += 10;
1204 		fallthrough;
1205 	case 0x03:
1206 		wacom_intuos_bt_process_data(wacom, data + i);
1207 		i += 10;
1208 		wacom_intuos_bt_process_data(wacom, data + i);
1209 		i += 10;
1210 		power_raw = data[i];
1211 		bat_charging = (power_raw & 0x08) ? 1 : 0;
1212 		ps_connected = (power_raw & 0x10) ? 1 : 0;
1213 		battery_capacity = batcap_i4[power_raw & 0x07];
1214 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1215 				     battery_capacity, bat_charging,
1216 				     battery_capacity || bat_charging,
1217 				     ps_connected);
1218 		break;
1219 	default:
1220 		dev_dbg(wacom->pen_input->dev.parent,
1221 				"Unknown report: %d,%d size:%zu\n",
1222 				data[0], data[1], len);
1223 		return 0;
1224 	}
1225 	return 0;
1226 }
1227 
1228 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1229 {
1230 	struct input_dev *input = wacom->touch_input;
1231 	unsigned touch_max = wacom->features.touch_max;
1232 	int count = 0;
1233 	int i;
1234 
1235 	if (!touch_max)
1236 		return 0;
1237 
1238 	if (touch_max == 1)
1239 		return test_bit(BTN_TOUCH, input->key) &&
1240 			report_touch_events(wacom);
1241 
1242 	for (i = 0; i < input->mt->num_slots; i++) {
1243 		struct input_mt_slot *ps = &input->mt->slots[i];
1244 		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1245 		if (id >= 0)
1246 			count++;
1247 	}
1248 
1249 	return count;
1250 }
1251 
1252 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1253 {
1254 	int pen_frame_len, pen_frames;
1255 
1256 	struct input_dev *pen_input = wacom->pen_input;
1257 	unsigned char *data = wacom->data;
1258 	int i;
1259 
1260 	if (wacom->features.type == INTUOSP2_BT ||
1261 	    wacom->features.type == INTUOSP2S_BT) {
1262 		wacom->serial[0] = get_unaligned_le64(&data[99]);
1263 		wacom->id[0]     = get_unaligned_le16(&data[107]);
1264 		pen_frame_len = 14;
1265 		pen_frames = 7;
1266 	} else {
1267 		wacom->serial[0] = get_unaligned_le64(&data[33]);
1268 		wacom->id[0]     = get_unaligned_le16(&data[41]);
1269 		pen_frame_len = 8;
1270 		pen_frames = 4;
1271 	}
1272 
1273 	if (wacom->serial[0] >> 52 == 1) {
1274 		/* Add back in missing bits of ID for non-USI pens */
1275 		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1276 	}
1277 
1278 	for (i = 0; i < pen_frames; i++) {
1279 		unsigned char *frame = &data[i*pen_frame_len + 1];
1280 		bool valid = frame[0] & 0x80;
1281 		bool prox = frame[0] & 0x40;
1282 		bool range = frame[0] & 0x20;
1283 		bool invert = frame[0] & 0x10;
1284 
1285 		if (!valid)
1286 			continue;
1287 
1288 		if (!prox) {
1289 			wacom->shared->stylus_in_proximity = false;
1290 			wacom_exit_report(wacom);
1291 			input_sync(pen_input);
1292 
1293 			wacom->tool[0] = 0;
1294 			wacom->id[0] = 0;
1295 			wacom->serial[0] = 0;
1296 			return;
1297 		}
1298 
1299 		if (range) {
1300 			if (!wacom->tool[0]) { /* first in range */
1301 				/* Going into range select tool */
1302 				if (invert)
1303 					wacom->tool[0] = BTN_TOOL_RUBBER;
1304 				else if (wacom->id[0])
1305 					wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1306 				else
1307 					wacom->tool[0] = BTN_TOOL_PEN;
1308 			}
1309 
1310 			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1311 			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1312 
1313 			if (wacom->features.type == INTUOSP2_BT ||
1314 			    wacom->features.type == INTUOSP2S_BT) {
1315 				/* Fix rotation alignment: userspace expects zero at left */
1316 				int16_t rotation =
1317 					(int16_t)get_unaligned_le16(&frame[9]);
1318 				rotation += 1800/4;
1319 
1320 				if (rotation > 899)
1321 					rotation -= 1800;
1322 
1323 				input_report_abs(pen_input, ABS_TILT_X,
1324 						 (char)frame[7]);
1325 				input_report_abs(pen_input, ABS_TILT_Y,
1326 						 (char)frame[8]);
1327 				input_report_abs(pen_input, ABS_Z, rotation);
1328 				input_report_abs(pen_input, ABS_WHEEL,
1329 						 get_unaligned_le16(&frame[11]));
1330 			}
1331 		}
1332 		if (wacom->tool[0]) {
1333 			input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1334 			if (wacom->features.type == INTUOSP2_BT ||
1335 			    wacom->features.type == INTUOSP2S_BT) {
1336 				input_report_abs(pen_input, ABS_DISTANCE,
1337 						 range ? frame[13] : wacom->features.distance_max);
1338 			} else {
1339 				input_report_abs(pen_input, ABS_DISTANCE,
1340 						 range ? frame[7] : wacom->features.distance_max);
1341 			}
1342 
1343 			input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1344 			input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1345 			input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1346 
1347 			input_report_key(pen_input, wacom->tool[0], prox);
1348 			input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1349 			input_report_abs(pen_input, ABS_MISC,
1350 					 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1351 		}
1352 
1353 		wacom->shared->stylus_in_proximity = prox;
1354 
1355 		input_sync(pen_input);
1356 	}
1357 }
1358 
1359 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1360 {
1361 	const int finger_touch_len = 8;
1362 	const int finger_frames = 4;
1363 	const int finger_frame_len = 43;
1364 
1365 	struct input_dev *touch_input = wacom->touch_input;
1366 	unsigned char *data = wacom->data;
1367 	int num_contacts_left = 5;
1368 	int i, j;
1369 
1370 	for (i = 0; i < finger_frames; i++) {
1371 		unsigned char *frame = &data[i*finger_frame_len + 109];
1372 		int current_num_contacts = frame[0] & 0x7F;
1373 		int contacts_to_send;
1374 
1375 		if (!(frame[0] & 0x80))
1376 			continue;
1377 
1378 		/*
1379 		 * First packet resets the counter since only the first
1380 		 * packet in series will have non-zero current_num_contacts.
1381 		 */
1382 		if (current_num_contacts)
1383 			wacom->num_contacts_left = current_num_contacts;
1384 
1385 		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1386 
1387 		for (j = 0; j < contacts_to_send; j++) {
1388 			unsigned char *touch = &frame[j*finger_touch_len + 1];
1389 			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1390 			int x = get_unaligned_le16(&touch[2]);
1391 			int y = get_unaligned_le16(&touch[4]);
1392 			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1393 			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1394 
1395 			if (slot < 0)
1396 				continue;
1397 
1398 			input_mt_slot(touch_input, slot);
1399 			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1400 			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1401 			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1402 			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1403 			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1404 			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1405 		}
1406 
1407 		input_mt_sync_frame(touch_input);
1408 
1409 		wacom->num_contacts_left -= contacts_to_send;
1410 		if (wacom->num_contacts_left <= 0) {
1411 			wacom->num_contacts_left = 0;
1412 			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1413 			input_sync(touch_input);
1414 		}
1415 	}
1416 
1417 	if (wacom->num_contacts_left == 0) {
1418 		// Be careful that we don't accidentally call input_sync with
1419 		// only a partial set of fingers of processed
1420 		input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1421 		input_sync(touch_input);
1422 	}
1423 
1424 }
1425 
1426 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1427 {
1428 	struct input_dev *pad_input = wacom->pad_input;
1429 	unsigned char *data = wacom->data;
1430 	int nbuttons = wacom->features.numbered_buttons;
1431 
1432 	int expresskeys = data[282];
1433 	int center = (data[281] & 0x40) >> 6;
1434 	int ring = data[285] & 0x7F;
1435 	bool ringstatus = data[285] & 0x80;
1436 	bool prox = expresskeys || center || ringstatus;
1437 
1438 	/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1439 	ring = 71 - ring;
1440 	ring += 3*72/16;
1441 	if (ring > 71)
1442 		ring -= 72;
1443 
1444 	wacom_report_numbered_buttons(pad_input, nbuttons,
1445                                       expresskeys | (center << (nbuttons - 1)));
1446 
1447 	input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1448 
1449 	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1450 	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1451 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1452 
1453 	input_sync(pad_input);
1454 }
1455 
1456 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1457 {
1458 	unsigned char *data = wacom->data;
1459 
1460 	bool chg = data[284] & 0x80;
1461 	int battery_status = data[284] & 0x7F;
1462 
1463 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1464 			     battery_status, chg, 1, chg);
1465 }
1466 
1467 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1468 {
1469 	struct input_dev *pad_input = wacom->pad_input;
1470 	unsigned char *data = wacom->data;
1471 
1472 	int buttons = data[44];
1473 
1474 	wacom_report_numbered_buttons(pad_input, 4, buttons);
1475 
1476 	input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1477 	input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1478 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1479 
1480 	input_sync(pad_input);
1481 }
1482 
1483 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1484 {
1485 	unsigned char *data = wacom->data;
1486 
1487 	bool chg = data[45] & 0x80;
1488 	int battery_status = data[45] & 0x7F;
1489 
1490 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1491 			     battery_status, chg, 1, chg);
1492 }
1493 
1494 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1495 {
1496 	unsigned char *data = wacom->data;
1497 
1498 	if (data[0] != 0x80 && data[0] != 0x81) {
1499 		dev_dbg(wacom->pen_input->dev.parent,
1500 			"%s: received unknown report #%d\n", __func__, data[0]);
1501 		return 0;
1502 	}
1503 
1504 	wacom_intuos_pro2_bt_pen(wacom);
1505 	if (wacom->features.type == INTUOSP2_BT ||
1506 	    wacom->features.type == INTUOSP2S_BT) {
1507 		wacom_intuos_pro2_bt_touch(wacom);
1508 		wacom_intuos_pro2_bt_pad(wacom);
1509 		wacom_intuos_pro2_bt_battery(wacom);
1510 	} else {
1511 		wacom_intuos_gen3_bt_pad(wacom);
1512 		wacom_intuos_gen3_bt_battery(wacom);
1513 	}
1514 	return 0;
1515 }
1516 
1517 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1518 {
1519 	struct input_dev *input = wacom->touch_input;
1520 	unsigned char *data = wacom->data;
1521 	int i;
1522 	int current_num_contacts = data[61];
1523 	int contacts_to_send = 0;
1524 	int num_contacts_left = 4; /* maximum contacts per packet */
1525 	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1526 	int y_offset = 2;
1527 
1528 	if (wacom->shared->has_mute_touch_switch &&
1529 	    !wacom->shared->is_touch_on) {
1530 		if (!wacom->shared->touch_down)
1531 			return 0;
1532 	}
1533 
1534 	if (wacom->features.type == WACOM_27QHDT) {
1535 		current_num_contacts = data[63];
1536 		num_contacts_left = 10;
1537 		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1538 		y_offset = 0;
1539 	}
1540 
1541 	/*
1542 	 * First packet resets the counter since only the first
1543 	 * packet in series will have non-zero current_num_contacts.
1544 	 */
1545 	if (current_num_contacts)
1546 		wacom->num_contacts_left = current_num_contacts;
1547 
1548 	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1549 
1550 	for (i = 0; i < contacts_to_send; i++) {
1551 		int offset = (byte_per_packet * i) + 1;
1552 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1553 		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1554 
1555 		if (slot < 0)
1556 			continue;
1557 		input_mt_slot(input, slot);
1558 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1559 
1560 		if (touch) {
1561 			int t_x = get_unaligned_le16(&data[offset + 2]);
1562 			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1563 
1564 			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1565 			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1566 
1567 			if (wacom->features.type != WACOM_27QHDT) {
1568 				int c_x = get_unaligned_le16(&data[offset + 4]);
1569 				int c_y = get_unaligned_le16(&data[offset + 8]);
1570 				int w = get_unaligned_le16(&data[offset + 10]);
1571 				int h = get_unaligned_le16(&data[offset + 12]);
1572 
1573 				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1574 				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1575 						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1576 				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1577 				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1578 			}
1579 		}
1580 	}
1581 	input_mt_sync_frame(input);
1582 
1583 	wacom->num_contacts_left -= contacts_to_send;
1584 	if (wacom->num_contacts_left <= 0) {
1585 		wacom->num_contacts_left = 0;
1586 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1587 	}
1588 	return 1;
1589 }
1590 
1591 static int wacom_mt_touch(struct wacom_wac *wacom)
1592 {
1593 	struct input_dev *input = wacom->touch_input;
1594 	unsigned char *data = wacom->data;
1595 	int i;
1596 	int current_num_contacts = data[2];
1597 	int contacts_to_send = 0;
1598 	int x_offset = 0;
1599 
1600 	/* MTTPC does not support Height and Width */
1601 	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1602 		x_offset = -4;
1603 
1604 	/*
1605 	 * First packet resets the counter since only the first
1606 	 * packet in series will have non-zero current_num_contacts.
1607 	 */
1608 	if (current_num_contacts)
1609 		wacom->num_contacts_left = current_num_contacts;
1610 
1611 	/* There are at most 5 contacts per packet */
1612 	contacts_to_send = min(5, wacom->num_contacts_left);
1613 
1614 	for (i = 0; i < contacts_to_send; i++) {
1615 		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1616 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1617 		int id = get_unaligned_le16(&data[offset + 1]);
1618 		int slot = input_mt_get_slot_by_key(input, id);
1619 
1620 		if (slot < 0)
1621 			continue;
1622 
1623 		input_mt_slot(input, slot);
1624 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1625 		if (touch) {
1626 			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1627 			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1628 			input_report_abs(input, ABS_MT_POSITION_X, x);
1629 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1630 		}
1631 	}
1632 	input_mt_sync_frame(input);
1633 
1634 	wacom->num_contacts_left -= contacts_to_send;
1635 	if (wacom->num_contacts_left <= 0) {
1636 		wacom->num_contacts_left = 0;
1637 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1638 	}
1639 	return 1;
1640 }
1641 
1642 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1643 {
1644 	struct input_dev *input = wacom->touch_input;
1645 	unsigned char *data = wacom->data;
1646 	int i;
1647 
1648 	for (i = 0; i < 2; i++) {
1649 		int p = data[1] & (1 << i);
1650 		bool touch = p && report_touch_events(wacom);
1651 
1652 		input_mt_slot(input, i);
1653 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1654 		if (touch) {
1655 			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1656 			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1657 
1658 			input_report_abs(input, ABS_MT_POSITION_X, x);
1659 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1660 		}
1661 	}
1662 	input_mt_sync_frame(input);
1663 
1664 	/* keep touch state for pen event */
1665 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1666 
1667 	return 1;
1668 }
1669 
1670 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1671 {
1672 	unsigned char *data = wacom->data;
1673 	struct input_dev *input = wacom->touch_input;
1674 	bool prox = report_touch_events(wacom);
1675 	int x = 0, y = 0;
1676 
1677 	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1678 		return 0;
1679 
1680 	if (len == WACOM_PKGLEN_TPC1FG) {
1681 		prox = prox && (data[0] & 0x01);
1682 		x = get_unaligned_le16(&data[1]);
1683 		y = get_unaligned_le16(&data[3]);
1684 	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1685 		prox = prox && (data[2] & 0x01);
1686 		x = get_unaligned_le16(&data[3]);
1687 		y = get_unaligned_le16(&data[5]);
1688 	} else {
1689 		prox = prox && (data[1] & 0x01);
1690 		x = le16_to_cpup((__le16 *)&data[2]);
1691 		y = le16_to_cpup((__le16 *)&data[4]);
1692 	}
1693 
1694 	if (prox) {
1695 		input_report_abs(input, ABS_X, x);
1696 		input_report_abs(input, ABS_Y, y);
1697 	}
1698 	input_report_key(input, BTN_TOUCH, prox);
1699 
1700 	/* keep touch state for pen events */
1701 	wacom->shared->touch_down = prox;
1702 
1703 	return 1;
1704 }
1705 
1706 static int wacom_tpc_pen(struct wacom_wac *wacom)
1707 {
1708 	unsigned char *data = wacom->data;
1709 	struct input_dev *input = wacom->pen_input;
1710 	bool prox = data[1] & 0x20;
1711 
1712 	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1713 		/* Going into proximity select tool */
1714 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1715 
1716 	/* keep pen state for touch events */
1717 	wacom->shared->stylus_in_proximity = prox;
1718 
1719 	/* send pen events only when touch is up or forced out
1720 	 * or touch arbitration is off
1721 	 */
1722 	if (!delay_pen_events(wacom)) {
1723 		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1724 		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1725 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1726 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1727 		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1728 		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1729 		input_report_key(input, wacom->tool[0], prox);
1730 		return 1;
1731 	}
1732 
1733 	return 0;
1734 }
1735 
1736 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1737 {
1738 	unsigned char *data = wacom->data;
1739 
1740 	if (wacom->pen_input) {
1741 		dev_dbg(wacom->pen_input->dev.parent,
1742 			"%s: received report #%d\n", __func__, data[0]);
1743 
1744 		if (len == WACOM_PKGLEN_PENABLED ||
1745 		    data[0] == WACOM_REPORT_PENABLED)
1746 			return wacom_tpc_pen(wacom);
1747 	}
1748 	else if (wacom->touch_input) {
1749 		dev_dbg(wacom->touch_input->dev.parent,
1750 			"%s: received report #%d\n", __func__, data[0]);
1751 
1752 		switch (len) {
1753 		case WACOM_PKGLEN_TPC1FG:
1754 			return wacom_tpc_single_touch(wacom, len);
1755 
1756 		case WACOM_PKGLEN_TPC2FG:
1757 			return wacom_tpc_mt_touch(wacom);
1758 
1759 		default:
1760 			switch (data[0]) {
1761 			case WACOM_REPORT_TPC1FG:
1762 			case WACOM_REPORT_TPCHID:
1763 			case WACOM_REPORT_TPCST:
1764 			case WACOM_REPORT_TPC1FGE:
1765 				return wacom_tpc_single_touch(wacom, len);
1766 
1767 			case WACOM_REPORT_TPCMT:
1768 			case WACOM_REPORT_TPCMT2:
1769 				return wacom_mt_touch(wacom);
1770 
1771 			}
1772 		}
1773 	}
1774 
1775 	return 0;
1776 }
1777 
1778 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1779 				 int value, int num, int denom)
1780 {
1781 	struct input_absinfo *abs = &input->absinfo[usage->code];
1782 	int range = (abs->maximum - abs->minimum + 1);
1783 
1784 	value += num*range/denom;
1785 	if (value > abs->maximum)
1786 		value -= range;
1787 	else if (value < abs->minimum)
1788 		value += range;
1789 	return value;
1790 }
1791 
1792 int wacom_equivalent_usage(int usage)
1793 {
1794 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1795 		int subpage = (usage & 0xFF00) << 8;
1796 		int subusage = (usage & 0xFF);
1797 
1798 		if (subpage == WACOM_HID_SP_PAD ||
1799 		    subpage == WACOM_HID_SP_BUTTON ||
1800 		    subpage == WACOM_HID_SP_DIGITIZER ||
1801 		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1802 		    usage == WACOM_HID_WD_SENSE ||
1803 		    usage == WACOM_HID_WD_SERIALHI ||
1804 		    usage == WACOM_HID_WD_TOOLTYPE ||
1805 		    usage == WACOM_HID_WD_DISTANCE ||
1806 		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1807 		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1808 		    usage == WACOM_HID_WD_TOUCHRING ||
1809 		    usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1810 		    usage == WACOM_HID_WD_REPORT_VALID) {
1811 			return usage;
1812 		}
1813 
1814 		if (subpage == HID_UP_UNDEFINED)
1815 			subpage = HID_UP_DIGITIZER;
1816 
1817 		return subpage | subusage;
1818 	}
1819 
1820 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1821 		int subpage = (usage & 0xFF00) << 8;
1822 		int subusage = (usage & 0xFF);
1823 
1824 		if (usage == WACOM_HID_WT_REPORT_VALID)
1825 			return usage;
1826 
1827 		if (subpage == HID_UP_UNDEFINED)
1828 			subpage = WACOM_HID_SP_DIGITIZER;
1829 
1830 		return subpage | subusage;
1831 	}
1832 
1833 	return usage;
1834 }
1835 
1836 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1837 		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1838 {
1839 	struct wacom *wacom = input_get_drvdata(input);
1840 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1841 	struct wacom_features *features = &wacom_wac->features;
1842 	int fmin = field->logical_minimum;
1843 	int fmax = field->logical_maximum;
1844 	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1845 	int resolution_code = code;
1846 
1847 	if (equivalent_usage == HID_DG_TWIST) {
1848 		resolution_code = ABS_RZ;
1849 	}
1850 
1851 	if (equivalent_usage == HID_GD_X) {
1852 		fmin += features->offset_left;
1853 		fmax -= features->offset_right;
1854 	}
1855 	if (equivalent_usage == HID_GD_Y) {
1856 		fmin += features->offset_top;
1857 		fmax -= features->offset_bottom;
1858 	}
1859 
1860 	usage->type = type;
1861 	usage->code = code;
1862 
1863 	set_bit(type, input->evbit);
1864 
1865 	switch (type) {
1866 	case EV_ABS:
1867 		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1868 		input_abs_set_res(input, code,
1869 				  hidinput_calc_abs_res(field, resolution_code));
1870 		break;
1871 	case EV_KEY:
1872 		input_set_capability(input, EV_KEY, code);
1873 		break;
1874 	case EV_MSC:
1875 		input_set_capability(input, EV_MSC, code);
1876 		break;
1877 	case EV_SW:
1878 		input_set_capability(input, EV_SW, code);
1879 		break;
1880 	}
1881 }
1882 
1883 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1884 		struct hid_field *field, struct hid_usage *usage)
1885 {
1886 	struct wacom *wacom = hid_get_drvdata(hdev);
1887 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1888 	struct wacom_features *features = &wacom_wac->features;
1889 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1890 
1891 	switch (equivalent_usage) {
1892 	case HID_DG_BATTERYSTRENGTH:
1893 	case WACOM_HID_WD_BATTERY_LEVEL:
1894 	case WACOM_HID_WD_BATTERY_CHARGING:
1895 		features->quirks |= WACOM_QUIRK_BATTERY;
1896 		break;
1897 	}
1898 }
1899 
1900 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1901 		struct hid_usage *usage, __s32 value)
1902 {
1903 	struct wacom *wacom = hid_get_drvdata(hdev);
1904 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1905 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1906 
1907 	switch (equivalent_usage) {
1908 	case HID_DG_BATTERYSTRENGTH:
1909 		if (value == 0) {
1910 			wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1911 		}
1912 		else {
1913 			value = value * 100 / (field->logical_maximum - field->logical_minimum);
1914 			wacom_wac->hid_data.battery_capacity = value;
1915 			wacom_wac->hid_data.bat_connected = 1;
1916 			wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1917 		}
1918 		break;
1919 	case WACOM_HID_WD_BATTERY_LEVEL:
1920 		value = value * 100 / (field->logical_maximum - field->logical_minimum);
1921 		wacom_wac->hid_data.battery_capacity = value;
1922 		wacom_wac->hid_data.bat_connected = 1;
1923 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1924 		break;
1925 	case WACOM_HID_WD_BATTERY_CHARGING:
1926 		wacom_wac->hid_data.bat_charging = value;
1927 		wacom_wac->hid_data.ps_connected = value;
1928 		wacom_wac->hid_data.bat_connected = 1;
1929 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1930 		break;
1931 	}
1932 }
1933 
1934 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1935 		struct hid_report *report)
1936 {
1937 	return;
1938 }
1939 
1940 static void wacom_wac_battery_report(struct hid_device *hdev,
1941 		struct hid_report *report)
1942 {
1943 	struct wacom *wacom = hid_get_drvdata(hdev);
1944 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1945 	struct wacom_features *features = &wacom_wac->features;
1946 
1947 	if (features->quirks & WACOM_QUIRK_BATTERY) {
1948 		int status = wacom_wac->hid_data.bat_status;
1949 		int capacity = wacom_wac->hid_data.battery_capacity;
1950 		bool charging = wacom_wac->hid_data.bat_charging;
1951 		bool connected = wacom_wac->hid_data.bat_connected;
1952 		bool powered = wacom_wac->hid_data.ps_connected;
1953 
1954 		wacom_notify_battery(wacom_wac, status, capacity, charging,
1955 				     connected, powered);
1956 	}
1957 }
1958 
1959 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1960 		struct hid_field *field, struct hid_usage *usage)
1961 {
1962 	struct wacom *wacom = hid_get_drvdata(hdev);
1963 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1964 	struct wacom_features *features = &wacom_wac->features;
1965 	struct input_dev *input = wacom_wac->pad_input;
1966 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1967 
1968 	switch (equivalent_usage) {
1969 	case WACOM_HID_WD_ACCELEROMETER_X:
1970 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1971 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1972 		features->device_type |= WACOM_DEVICETYPE_PAD;
1973 		break;
1974 	case WACOM_HID_WD_ACCELEROMETER_Y:
1975 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1976 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1977 		features->device_type |= WACOM_DEVICETYPE_PAD;
1978 		break;
1979 	case WACOM_HID_WD_ACCELEROMETER_Z:
1980 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1981 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1982 		features->device_type |= WACOM_DEVICETYPE_PAD;
1983 		break;
1984 	case WACOM_HID_WD_BUTTONCENTER:
1985 	case WACOM_HID_WD_BUTTONHOME:
1986 	case WACOM_HID_WD_BUTTONUP:
1987 	case WACOM_HID_WD_BUTTONDOWN:
1988 	case WACOM_HID_WD_BUTTONLEFT:
1989 	case WACOM_HID_WD_BUTTONRIGHT:
1990 		wacom_map_usage(input, usage, field, EV_KEY,
1991 				wacom_numbered_button_to_key(features->numbered_buttons),
1992 				0);
1993 		features->numbered_buttons++;
1994 		features->device_type |= WACOM_DEVICETYPE_PAD;
1995 		break;
1996 	case WACOM_HID_WD_TOUCHONOFF:
1997 	case WACOM_HID_WD_MUTE_DEVICE:
1998 		/*
1999 		 * This usage, which is used to mute touch events, comes
2000 		 * from the pad packet, but is reported on the touch
2001 		 * interface. Because the touch interface may not have
2002 		 * been created yet, we cannot call wacom_map_usage(). In
2003 		 * order to process this usage when we receive it, we set
2004 		 * the usage type and code directly.
2005 		 */
2006 		wacom_wac->has_mute_touch_switch = true;
2007 		usage->type = EV_SW;
2008 		usage->code = SW_MUTE_DEVICE;
2009 		features->device_type |= WACOM_DEVICETYPE_PAD;
2010 		break;
2011 	case WACOM_HID_WD_TOUCHSTRIP:
2012 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2013 		features->device_type |= WACOM_DEVICETYPE_PAD;
2014 		break;
2015 	case WACOM_HID_WD_TOUCHSTRIP2:
2016 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2017 		features->device_type |= WACOM_DEVICETYPE_PAD;
2018 		break;
2019 	case WACOM_HID_WD_TOUCHRING:
2020 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2021 		features->device_type |= WACOM_DEVICETYPE_PAD;
2022 		break;
2023 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2024 		/*
2025 		 * Only set up type/code association. Completely mapping
2026 		 * this usage may overwrite the axis resolution and range.
2027 		 */
2028 		usage->type = EV_ABS;
2029 		usage->code = ABS_WHEEL;
2030 		set_bit(EV_ABS, input->evbit);
2031 		features->device_type |= WACOM_DEVICETYPE_PAD;
2032 		break;
2033 	case WACOM_HID_WD_BUTTONCONFIG:
2034 		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2035 		features->device_type |= WACOM_DEVICETYPE_PAD;
2036 		break;
2037 	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2038 		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2039 		features->device_type |= WACOM_DEVICETYPE_PAD;
2040 		break;
2041 	case WACOM_HID_WD_CONTROLPANEL:
2042 		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2043 		features->device_type |= WACOM_DEVICETYPE_PAD;
2044 		break;
2045 	case WACOM_HID_WD_MODE_CHANGE:
2046 		/* do not overwrite previous data */
2047 		if (!wacom_wac->has_mode_change) {
2048 			wacom_wac->has_mode_change = true;
2049 			wacom_wac->is_direct_mode = true;
2050 		}
2051 		features->device_type |= WACOM_DEVICETYPE_PAD;
2052 		break;
2053 	}
2054 
2055 	switch (equivalent_usage & 0xfffffff0) {
2056 	case WACOM_HID_WD_EXPRESSKEY00:
2057 		wacom_map_usage(input, usage, field, EV_KEY,
2058 				wacom_numbered_button_to_key(features->numbered_buttons),
2059 				0);
2060 		features->numbered_buttons++;
2061 		features->device_type |= WACOM_DEVICETYPE_PAD;
2062 		break;
2063 	}
2064 }
2065 
2066 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2067 		struct hid_usage *usage, __s32 value)
2068 {
2069 	struct wacom *wacom = hid_get_drvdata(hdev);
2070 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2071 	struct input_dev *input = wacom_wac->pad_input;
2072 	struct wacom_features *features = &wacom_wac->features;
2073 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2074 	int i;
2075 	bool do_report = false;
2076 
2077 	/*
2078 	 * Avoid reporting this event and setting inrange_state if this usage
2079 	 * hasn't been mapped.
2080 	 */
2081 	if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2082 		return;
2083 
2084 	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2085 		if (usage->hid != WACOM_HID_WD_TOUCHRING)
2086 			wacom_wac->hid_data.inrange_state |= value;
2087 	}
2088 
2089 	switch (equivalent_usage) {
2090 	case WACOM_HID_WD_TOUCHRING:
2091 		/*
2092 		 * Userspace expects touchrings to increase in value with
2093 		 * clockwise gestures and have their zero point at the
2094 		 * tablet's left. HID events "should" be clockwise-
2095 		 * increasing and zero at top, though the MobileStudio
2096 		 * Pro and 2nd-gen Intuos Pro don't do this...
2097 		 */
2098 		if (hdev->vendor == 0x56a &&
2099 		    (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2100 		     hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2101 		     hdev->product == 0x392 ||				  /* Intuos Pro 2 */
2102 		     hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
2103 		     hdev->product == 0x3AA)) {				  /* MobileStudio Pro */
2104 			value = (field->logical_maximum - value);
2105 
2106 			if (hdev->product == 0x357 || hdev->product == 0x358 ||
2107 			    hdev->product == 0x392)
2108 				value = wacom_offset_rotation(input, usage, value, 3, 16);
2109 			else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2110 				 hdev->product == 0x398 || hdev->product == 0x399 ||
2111 				 hdev->product == 0x3AA)
2112 				value = wacom_offset_rotation(input, usage, value, 1, 2);
2113 		}
2114 		else {
2115 			value = wacom_offset_rotation(input, usage, value, 1, 4);
2116 		}
2117 		do_report = true;
2118 		break;
2119 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2120 		if (!value)
2121 			input_event(input, usage->type, usage->code, 0);
2122 		break;
2123 
2124 	case WACOM_HID_WD_MUTE_DEVICE:
2125 	case WACOM_HID_WD_TOUCHONOFF:
2126 		if (wacom_wac->shared->touch_input) {
2127 			bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2128 
2129 			if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2130 				*is_touch_on = !(*is_touch_on);
2131 			else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2132 				*is_touch_on = value;
2133 
2134 			input_report_switch(wacom_wac->shared->touch_input,
2135 					    SW_MUTE_DEVICE, !(*is_touch_on));
2136 			input_sync(wacom_wac->shared->touch_input);
2137 		}
2138 		break;
2139 
2140 	case WACOM_HID_WD_MODE_CHANGE:
2141 		if (wacom_wac->is_direct_mode != value) {
2142 			wacom_wac->is_direct_mode = value;
2143 			wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2144 		}
2145 		break;
2146 
2147 	case WACOM_HID_WD_BUTTONCENTER:
2148 		for (i = 0; i < wacom->led.count; i++)
2149 			wacom_update_led(wacom, features->numbered_buttons,
2150 					 value, i);
2151 		fallthrough;
2152 	default:
2153 		do_report = true;
2154 		break;
2155 	}
2156 
2157 	if (do_report) {
2158 		input_event(input, usage->type, usage->code, value);
2159 		if (value)
2160 			wacom_wac->hid_data.pad_input_event_flag = true;
2161 	}
2162 }
2163 
2164 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2165 		struct hid_report *report)
2166 {
2167 	struct wacom *wacom = hid_get_drvdata(hdev);
2168 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2169 
2170 	wacom_wac->hid_data.inrange_state = 0;
2171 }
2172 
2173 static void wacom_wac_pad_report(struct hid_device *hdev,
2174 		struct hid_report *report, struct hid_field *field)
2175 {
2176 	struct wacom *wacom = hid_get_drvdata(hdev);
2177 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2178 	struct input_dev *input = wacom_wac->pad_input;
2179 	bool active = wacom_wac->hid_data.inrange_state != 0;
2180 
2181 	/* report prox for expresskey events */
2182 	if (wacom_wac->hid_data.pad_input_event_flag) {
2183 		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2184 		input_sync(input);
2185 		if (!active)
2186 			wacom_wac->hid_data.pad_input_event_flag = false;
2187 	}
2188 }
2189 
2190 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2191 		struct hid_field *field, struct hid_usage *usage)
2192 {
2193 	struct wacom *wacom = hid_get_drvdata(hdev);
2194 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2195 	struct wacom_features *features = &wacom_wac->features;
2196 	struct input_dev *input = wacom_wac->pen_input;
2197 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2198 
2199 	switch (equivalent_usage) {
2200 	case HID_GD_X:
2201 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2202 		break;
2203 	case HID_GD_Y:
2204 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2205 		break;
2206 	case WACOM_HID_WD_DISTANCE:
2207 	case HID_GD_Z:
2208 		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2209 		break;
2210 	case HID_DG_TIPPRESSURE:
2211 		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2212 		break;
2213 	case HID_DG_INRANGE:
2214 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2215 		break;
2216 	case HID_DG_INVERT:
2217 		wacom_map_usage(input, usage, field, EV_KEY,
2218 				BTN_TOOL_RUBBER, 0);
2219 		break;
2220 	case HID_DG_TILT_X:
2221 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2222 		break;
2223 	case HID_DG_TILT_Y:
2224 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2225 		break;
2226 	case HID_DG_TWIST:
2227 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2228 		break;
2229 	case HID_DG_ERASER:
2230 	case HID_DG_TIPSWITCH:
2231 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2232 		break;
2233 	case HID_DG_BARRELSWITCH:
2234 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2235 		break;
2236 	case HID_DG_BARRELSWITCH2:
2237 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2238 		break;
2239 	case HID_DG_TOOLSERIALNUMBER:
2240 		features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2241 		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2242 		break;
2243 	case WACOM_HID_WD_SENSE:
2244 		features->quirks |= WACOM_QUIRK_SENSE;
2245 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2246 		break;
2247 	case WACOM_HID_WD_SERIALHI:
2248 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2249 
2250 		if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2251 			set_bit(EV_KEY, input->evbit);
2252 			input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2253 			input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2254 			input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2255 			input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2256 			input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2257 			if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2258 				input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2259 				input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2260 			}
2261 		}
2262 		break;
2263 	case WACOM_HID_WD_FINGERWHEEL:
2264 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2265 		break;
2266 	}
2267 }
2268 
2269 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2270 		struct hid_usage *usage, __s32 value)
2271 {
2272 	struct wacom *wacom = hid_get_drvdata(hdev);
2273 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2274 	struct wacom_features *features = &wacom_wac->features;
2275 	struct input_dev *input = wacom_wac->pen_input;
2276 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2277 
2278 	if (wacom_wac->is_invalid_bt_frame)
2279 		return;
2280 
2281 	switch (equivalent_usage) {
2282 	case HID_GD_Z:
2283 		/*
2284 		 * HID_GD_Z "should increase as the control's position is
2285 		 * moved from high to low", while ABS_DISTANCE instead
2286 		 * increases in value as the tool moves from low to high.
2287 		 */
2288 		value = field->logical_maximum - value;
2289 		break;
2290 	case HID_DG_INRANGE:
2291 		wacom_wac->hid_data.inrange_state = value;
2292 		if (!(features->quirks & WACOM_QUIRK_SENSE))
2293 			wacom_wac->hid_data.sense_state = value;
2294 		return;
2295 	case HID_DG_INVERT:
2296 		wacom_wac->hid_data.invert_state = value;
2297 		return;
2298 	case HID_DG_ERASER:
2299 	case HID_DG_TIPSWITCH:
2300 		wacom_wac->hid_data.tipswitch |= value;
2301 		return;
2302 	case HID_DG_BARRELSWITCH:
2303 		wacom_wac->hid_data.barrelswitch = value;
2304 		return;
2305 	case HID_DG_BARRELSWITCH2:
2306 		wacom_wac->hid_data.barrelswitch2 = value;
2307 		return;
2308 	case HID_DG_TOOLSERIALNUMBER:
2309 		if (value) {
2310 			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2311 			wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2312 		}
2313 		return;
2314 	case HID_DG_TWIST:
2315 		/*
2316 		 * Userspace expects pen twist to have its zero point when
2317 		 * the buttons/finger is on the tablet's left. HID values
2318 		 * are zero when buttons are toward the top.
2319 		 */
2320 		value = wacom_offset_rotation(input, usage, value, 1, 4);
2321 		break;
2322 	case WACOM_HID_WD_SENSE:
2323 		wacom_wac->hid_data.sense_state = value;
2324 		return;
2325 	case WACOM_HID_WD_SERIALHI:
2326 		if (value) {
2327 			__u32 raw_value = wacom_s32tou(value, field->report_size);
2328 
2329 			wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2330 			wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2331 			/*
2332 			 * Non-USI EMR devices may contain additional tool type
2333 			 * information here. See WACOM_HID_WD_TOOLTYPE case for
2334 			 * more details.
2335 			 */
2336 			if (value >> 20 == 1) {
2337 				wacom_wac->id[0] |= raw_value & 0xFFFFF;
2338 			}
2339 		}
2340 		return;
2341 	case WACOM_HID_WD_TOOLTYPE:
2342 		/*
2343 		 * Some devices (MobileStudio Pro, and possibly later
2344 		 * devices as well) do not return the complete tool
2345 		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2346 		 * bitwise OR so the complete value can be built
2347 		 * up over time :(
2348 		 */
2349 		wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2350 		return;
2351 	case WACOM_HID_WD_OFFSETLEFT:
2352 		if (features->offset_left && value != features->offset_left)
2353 			hid_warn(hdev, "%s: overriding existing left offset "
2354 				 "%d -> %d\n", __func__, value,
2355 				 features->offset_left);
2356 		features->offset_left = value;
2357 		return;
2358 	case WACOM_HID_WD_OFFSETRIGHT:
2359 		if (features->offset_right && value != features->offset_right)
2360 			hid_warn(hdev, "%s: overriding existing right offset "
2361 				 "%d -> %d\n", __func__, value,
2362 				 features->offset_right);
2363 		features->offset_right = value;
2364 		return;
2365 	case WACOM_HID_WD_OFFSETTOP:
2366 		if (features->offset_top && value != features->offset_top)
2367 			hid_warn(hdev, "%s: overriding existing top offset "
2368 				 "%d -> %d\n", __func__, value,
2369 				 features->offset_top);
2370 		features->offset_top = value;
2371 		return;
2372 	case WACOM_HID_WD_OFFSETBOTTOM:
2373 		if (features->offset_bottom && value != features->offset_bottom)
2374 			hid_warn(hdev, "%s: overriding existing bottom offset "
2375 				 "%d -> %d\n", __func__, value,
2376 				 features->offset_bottom);
2377 		features->offset_bottom = value;
2378 		return;
2379 	case WACOM_HID_WD_REPORT_VALID:
2380 		wacom_wac->is_invalid_bt_frame = !value;
2381 		return;
2382 	}
2383 
2384 	/* send pen events only when touch is up or forced out
2385 	 * or touch arbitration is off
2386 	 */
2387 	if (!usage->type || delay_pen_events(wacom_wac))
2388 		return;
2389 
2390 	/* send pen events only when the pen is in range */
2391 	if (wacom_wac->hid_data.inrange_state)
2392 		input_event(input, usage->type, usage->code, value);
2393 	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2394 		input_event(input, usage->type, usage->code, 0);
2395 }
2396 
2397 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2398 		struct hid_report *report)
2399 {
2400 	struct wacom *wacom = hid_get_drvdata(hdev);
2401 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2402 
2403 	wacom_wac->is_invalid_bt_frame = false;
2404 	return;
2405 }
2406 
2407 static void wacom_wac_pen_report(struct hid_device *hdev,
2408 		struct hid_report *report)
2409 {
2410 	struct wacom *wacom = hid_get_drvdata(hdev);
2411 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2412 	struct input_dev *input = wacom_wac->pen_input;
2413 	bool range = wacom_wac->hid_data.inrange_state;
2414 	bool sense = wacom_wac->hid_data.sense_state;
2415 
2416 	if (wacom_wac->is_invalid_bt_frame)
2417 		return;
2418 
2419 	if (!wacom_wac->tool[0] && range) { /* first in range */
2420 		/* Going into range select tool */
2421 		if (wacom_wac->hid_data.invert_state)
2422 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2423 		else if (wacom_wac->id[0])
2424 			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2425 		else
2426 			wacom_wac->tool[0] = BTN_TOOL_PEN;
2427 	}
2428 
2429 	/* keep pen state for touch events */
2430 	wacom_wac->shared->stylus_in_proximity = sense;
2431 
2432 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2433 		int id = wacom_wac->id[0];
2434 		int sw_state = wacom_wac->hid_data.barrelswitch |
2435 			       (wacom_wac->hid_data.barrelswitch2 << 1);
2436 
2437 		input_report_key(input, BTN_STYLUS, sw_state == 1);
2438 		input_report_key(input, BTN_STYLUS2, sw_state == 2);
2439 		input_report_key(input, BTN_STYLUS3, sw_state == 3);
2440 
2441 		/*
2442 		 * Non-USI EMR tools should have their IDs mangled to
2443 		 * match the legacy behavior of wacom_intuos_general
2444 		 */
2445 		if (wacom_wac->serial[0] >> 52 == 1)
2446 			id = wacom_intuos_id_mangle(id);
2447 
2448 		/*
2449 		 * To ensure compatibility with xf86-input-wacom, we should
2450 		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2451 		 * MSC_SERIAL events.
2452 		 */
2453 		input_report_key(input, BTN_TOUCH,
2454 				wacom_wac->hid_data.tipswitch);
2455 		input_report_key(input, wacom_wac->tool[0], sense);
2456 		if (wacom_wac->serial[0]) {
2457 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2458 			input_report_abs(input, ABS_MISC, sense ? id : 0);
2459 		}
2460 
2461 		wacom_wac->hid_data.tipswitch = false;
2462 
2463 		input_sync(input);
2464 	}
2465 
2466 	if (!sense) {
2467 		wacom_wac->tool[0] = 0;
2468 		wacom_wac->id[0] = 0;
2469 		wacom_wac->serial[0] = 0;
2470 	}
2471 }
2472 
2473 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2474 		struct hid_field *field, struct hid_usage *usage)
2475 {
2476 	struct wacom *wacom = hid_get_drvdata(hdev);
2477 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2478 	struct input_dev *input = wacom_wac->touch_input;
2479 	unsigned touch_max = wacom_wac->features.touch_max;
2480 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2481 
2482 	switch (equivalent_usage) {
2483 	case HID_GD_X:
2484 		if (touch_max == 1)
2485 			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2486 		else
2487 			wacom_map_usage(input, usage, field, EV_ABS,
2488 					ABS_MT_POSITION_X, 4);
2489 		break;
2490 	case HID_GD_Y:
2491 		if (touch_max == 1)
2492 			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2493 		else
2494 			wacom_map_usage(input, usage, field, EV_ABS,
2495 					ABS_MT_POSITION_Y, 4);
2496 		break;
2497 	case HID_DG_WIDTH:
2498 	case HID_DG_HEIGHT:
2499 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2500 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2501 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2502 		break;
2503 	case HID_DG_TIPSWITCH:
2504 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2505 		break;
2506 	case HID_DG_CONTACTCOUNT:
2507 		wacom_wac->hid_data.cc_report = field->report->id;
2508 		wacom_wac->hid_data.cc_index = field->index;
2509 		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2510 		break;
2511 	case HID_DG_CONTACTID:
2512 		if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2513 			/*
2514 			 * The HID descriptor for G11 sensors leaves logical
2515 			 * maximum set to '1' despite it being a multitouch
2516 			 * device. Override to a sensible number.
2517 			 */
2518 			field->logical_maximum = 255;
2519 		}
2520 		break;
2521 	}
2522 }
2523 
2524 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2525 		struct input_dev *input)
2526 {
2527 	struct hid_data *hid_data = &wacom_wac->hid_data;
2528 	bool mt = wacom_wac->features.touch_max > 1;
2529 	bool prox = hid_data->tipswitch &&
2530 		    report_touch_events(wacom_wac);
2531 
2532 	if (wacom_wac->shared->has_mute_touch_switch &&
2533 	    !wacom_wac->shared->is_touch_on) {
2534 		if (!wacom_wac->shared->touch_down)
2535 			return;
2536 		prox = 0;
2537 	}
2538 
2539 	wacom_wac->hid_data.num_received++;
2540 	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2541 		return;
2542 
2543 	if (mt) {
2544 		int slot;
2545 
2546 		slot = input_mt_get_slot_by_key(input, hid_data->id);
2547 		input_mt_slot(input, slot);
2548 		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2549 	}
2550 	else {
2551 		input_report_key(input, BTN_TOUCH, prox);
2552 	}
2553 
2554 	if (prox) {
2555 		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2556 				 hid_data->x);
2557 		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2558 				 hid_data->y);
2559 
2560 		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2561 			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2562 			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2563 			if (hid_data->width != hid_data->height)
2564 				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2565 		}
2566 	}
2567 }
2568 
2569 static void wacom_wac_finger_event(struct hid_device *hdev,
2570 		struct hid_field *field, struct hid_usage *usage, __s32 value)
2571 {
2572 	struct wacom *wacom = hid_get_drvdata(hdev);
2573 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2574 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2575 	struct wacom_features *features = &wacom->wacom_wac.features;
2576 
2577 	if (wacom_wac->is_invalid_bt_frame)
2578 		return;
2579 
2580 	switch (equivalent_usage) {
2581 	case HID_GD_X:
2582 		wacom_wac->hid_data.x = value;
2583 		break;
2584 	case HID_GD_Y:
2585 		wacom_wac->hid_data.y = value;
2586 		break;
2587 	case HID_DG_WIDTH:
2588 		wacom_wac->hid_data.width = value;
2589 		break;
2590 	case HID_DG_HEIGHT:
2591 		wacom_wac->hid_data.height = value;
2592 		break;
2593 	case HID_DG_CONTACTID:
2594 		wacom_wac->hid_data.id = value;
2595 		break;
2596 	case HID_DG_TIPSWITCH:
2597 		wacom_wac->hid_data.tipswitch = value;
2598 		break;
2599 	case WACOM_HID_WT_REPORT_VALID:
2600 		wacom_wac->is_invalid_bt_frame = !value;
2601 		return;
2602 	case HID_DG_CONTACTMAX:
2603 		if (!features->touch_max) {
2604 			features->touch_max = value;
2605 		} else {
2606 			hid_warn(hdev, "%s: ignoring attempt to overwrite non-zero touch_max "
2607 				 "%d -> %d\n", __func__, features->touch_max, value);
2608 		}
2609 		return;
2610 	}
2611 
2612 	if (usage->usage_index + 1 == field->report_count) {
2613 		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2614 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2615 	}
2616 }
2617 
2618 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2619 		struct hid_report *report)
2620 {
2621 	struct wacom *wacom = hid_get_drvdata(hdev);
2622 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2623 	struct hid_data* hid_data = &wacom_wac->hid_data;
2624 	int i;
2625 
2626 	wacom_wac->is_invalid_bt_frame = false;
2627 
2628 	for (i = 0; i < report->maxfield; i++) {
2629 		struct hid_field *field = report->field[i];
2630 		int j;
2631 
2632 		for (j = 0; j < field->maxusage; j++) {
2633 			struct hid_usage *usage = &field->usage[j];
2634 			unsigned int equivalent_usage =
2635 				wacom_equivalent_usage(usage->hid);
2636 
2637 			switch (equivalent_usage) {
2638 			case HID_GD_X:
2639 			case HID_GD_Y:
2640 			case HID_DG_WIDTH:
2641 			case HID_DG_HEIGHT:
2642 			case HID_DG_CONTACTID:
2643 			case HID_DG_INRANGE:
2644 			case HID_DG_INVERT:
2645 			case HID_DG_TIPSWITCH:
2646 				hid_data->last_slot_field = equivalent_usage;
2647 				break;
2648 			case HID_DG_CONTACTCOUNT:
2649 				hid_data->cc_report = report->id;
2650 				hid_data->cc_index = i;
2651 				hid_data->cc_value_index = j;
2652 				break;
2653 			}
2654 		}
2655 	}
2656 
2657 	if (hid_data->cc_report != 0 &&
2658 	    hid_data->cc_index >= 0) {
2659 		struct hid_field *field = report->field[hid_data->cc_index];
2660 		int value = field->value[hid_data->cc_value_index];
2661 		if (value)
2662 			hid_data->num_expected = value;
2663 	}
2664 	else {
2665 		hid_data->num_expected = wacom_wac->features.touch_max;
2666 	}
2667 }
2668 
2669 static void wacom_wac_finger_report(struct hid_device *hdev,
2670 		struct hid_report *report)
2671 {
2672 	struct wacom *wacom = hid_get_drvdata(hdev);
2673 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2674 	struct input_dev *input = wacom_wac->touch_input;
2675 	unsigned touch_max = wacom_wac->features.touch_max;
2676 
2677 	/* If more packets of data are expected, give us a chance to
2678 	 * process them rather than immediately syncing a partial
2679 	 * update.
2680 	 */
2681 	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2682 		return;
2683 
2684 	if (touch_max > 1)
2685 		input_mt_sync_frame(input);
2686 
2687 	input_sync(input);
2688 	wacom_wac->hid_data.num_received = 0;
2689 
2690 	/* keep touch state for pen event */
2691 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2692 }
2693 
2694 void wacom_wac_usage_mapping(struct hid_device *hdev,
2695 		struct hid_field *field, struct hid_usage *usage)
2696 {
2697 	struct wacom *wacom = hid_get_drvdata(hdev);
2698 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2699 	struct wacom_features *features = &wacom_wac->features;
2700 
2701 	if (WACOM_DIRECT_DEVICE(field))
2702 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2703 
2704 	/* usage tests must precede field tests */
2705 	if (WACOM_BATTERY_USAGE(usage))
2706 		wacom_wac_battery_usage_mapping(hdev, field, usage);
2707 	else if (WACOM_PAD_FIELD(field))
2708 		wacom_wac_pad_usage_mapping(hdev, field, usage);
2709 	else if (WACOM_PEN_FIELD(field))
2710 		wacom_wac_pen_usage_mapping(hdev, field, usage);
2711 	else if (WACOM_FINGER_FIELD(field))
2712 		wacom_wac_finger_usage_mapping(hdev, field, usage);
2713 }
2714 
2715 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2716 		struct hid_usage *usage, __s32 value)
2717 {
2718 	struct wacom *wacom = hid_get_drvdata(hdev);
2719 
2720 	if (wacom->wacom_wac.features.type != HID_GENERIC)
2721 		return;
2722 
2723 	if (value > field->logical_maximum || value < field->logical_minimum)
2724 		return;
2725 
2726 	/* usage tests must precede field tests */
2727 	if (WACOM_BATTERY_USAGE(usage))
2728 		wacom_wac_battery_event(hdev, field, usage, value);
2729 	else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2730 		wacom_wac_pad_event(hdev, field, usage, value);
2731 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2732 		wacom_wac_pen_event(hdev, field, usage, value);
2733 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2734 		wacom_wac_finger_event(hdev, field, usage, value);
2735 }
2736 
2737 static void wacom_report_events(struct hid_device *hdev,
2738 				struct hid_report *report, int collection_index,
2739 				int field_index)
2740 {
2741 	int r;
2742 
2743 	for (r = field_index; r < report->maxfield; r++) {
2744 		struct hid_field *field;
2745 		unsigned count, n;
2746 
2747 		field = report->field[r];
2748 		count = field->report_count;
2749 
2750 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2751 			continue;
2752 
2753 		for (n = 0 ; n < count; n++) {
2754 			if (field->usage[n].collection_index == collection_index)
2755 				wacom_wac_event(hdev, field, &field->usage[n],
2756 						field->value[n]);
2757 			else
2758 				return;
2759 		}
2760 	}
2761 }
2762 
2763 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2764 			 int collection_index, struct hid_field *field,
2765 			 int field_index)
2766 {
2767 	struct wacom *wacom = hid_get_drvdata(hdev);
2768 
2769 	wacom_report_events(hdev, report, collection_index, field_index);
2770 
2771 	/*
2772 	 * Non-input reports may be sent prior to the device being
2773 	 * completely initialized. Since only their events need
2774 	 * to be processed, exit after 'wacom_report_events' has
2775 	 * been called to prevent potential crashes in the report-
2776 	 * processing functions.
2777 	 */
2778 	if (report->type != HID_INPUT_REPORT)
2779 		return -1;
2780 
2781 	if (WACOM_PAD_FIELD(field))
2782 		return 0;
2783 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2784 		wacom_wac_pen_report(hdev, report);
2785 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2786 		wacom_wac_finger_report(hdev, report);
2787 
2788 	return 0;
2789 }
2790 
2791 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2792 {
2793 	struct wacom *wacom = hid_get_drvdata(hdev);
2794 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2795 	struct hid_field *field;
2796 	bool pad_in_hid_field = false, pen_in_hid_field = false,
2797 		finger_in_hid_field = false, true_pad = false;
2798 	int r;
2799 	int prev_collection = -1;
2800 
2801 	if (wacom_wac->features.type != HID_GENERIC)
2802 		return;
2803 
2804 	for (r = 0; r < report->maxfield; r++) {
2805 		field = report->field[r];
2806 
2807 		if (WACOM_PAD_FIELD(field))
2808 			pad_in_hid_field = true;
2809 		if (WACOM_PEN_FIELD(field))
2810 			pen_in_hid_field = true;
2811 		if (WACOM_FINGER_FIELD(field))
2812 			finger_in_hid_field = true;
2813 		if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2814 			true_pad = true;
2815 	}
2816 
2817 	wacom_wac_battery_pre_report(hdev, report);
2818 
2819 	if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2820 		wacom_wac_pad_pre_report(hdev, report);
2821 	if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2822 		wacom_wac_pen_pre_report(hdev, report);
2823 	if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2824 		wacom_wac_finger_pre_report(hdev, report);
2825 
2826 	for (r = 0; r < report->maxfield; r++) {
2827 		field = report->field[r];
2828 
2829 		if (field->usage[0].collection_index != prev_collection) {
2830 			if (wacom_wac_collection(hdev, report,
2831 				field->usage[0].collection_index, field, r) < 0)
2832 				return;
2833 			prev_collection = field->usage[0].collection_index;
2834 		}
2835 	}
2836 
2837 	wacom_wac_battery_report(hdev, report);
2838 
2839 	if (true_pad && wacom->wacom_wac.pad_input)
2840 		wacom_wac_pad_report(hdev, report, field);
2841 }
2842 
2843 static int wacom_bpt_touch(struct wacom_wac *wacom)
2844 {
2845 	struct wacom_features *features = &wacom->features;
2846 	struct input_dev *input = wacom->touch_input;
2847 	struct input_dev *pad_input = wacom->pad_input;
2848 	unsigned char *data = wacom->data;
2849 	int i;
2850 
2851 	if (data[0] != 0x02)
2852 	    return 0;
2853 
2854 	for (i = 0; i < 2; i++) {
2855 		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2856 		bool touch = report_touch_events(wacom)
2857 			   && (data[offset + 3] & 0x80);
2858 
2859 		input_mt_slot(input, i);
2860 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2861 		if (touch) {
2862 			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2863 			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2864 			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2865 				x <<= 5;
2866 				y <<= 5;
2867 			}
2868 			input_report_abs(input, ABS_MT_POSITION_X, x);
2869 			input_report_abs(input, ABS_MT_POSITION_Y, y);
2870 		}
2871 	}
2872 
2873 	input_mt_sync_frame(input);
2874 
2875 	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2876 	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2877 	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2878 	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2879 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2880 
2881 	return 1;
2882 }
2883 
2884 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2885 {
2886 	struct wacom_features *features = &wacom->features;
2887 	struct input_dev *input = wacom->touch_input;
2888 	bool touch = data[1] & 0x80;
2889 	int slot = input_mt_get_slot_by_key(input, data[0]);
2890 
2891 	if (slot < 0)
2892 		return;
2893 
2894 	touch = touch && report_touch_events(wacom);
2895 
2896 	input_mt_slot(input, slot);
2897 	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2898 
2899 	if (touch) {
2900 		int x = (data[2] << 4) | (data[4] >> 4);
2901 		int y = (data[3] << 4) | (data[4] & 0x0f);
2902 		int width, height;
2903 
2904 		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2905 			width  = data[5] * 100;
2906 			height = data[6] * 100;
2907 		} else {
2908 			/*
2909 			 * "a" is a scaled-down area which we assume is
2910 			 * roughly circular and which can be described as:
2911 			 * a=(pi*r^2)/C.
2912 			 */
2913 			int a = data[5];
2914 			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2915 			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2916 			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2917 			height = width * y_res / x_res;
2918 		}
2919 
2920 		input_report_abs(input, ABS_MT_POSITION_X, x);
2921 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2922 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2923 		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2924 	}
2925 }
2926 
2927 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2928 {
2929 	struct input_dev *input = wacom->pad_input;
2930 	struct wacom_features *features = &wacom->features;
2931 
2932 	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2933 		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2934 		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2935 	} else {
2936 		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2937 		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2938 	}
2939 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2940 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2941 }
2942 
2943 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2944 {
2945 	unsigned char *data = wacom->data;
2946 	int count = data[1] & 0x07;
2947 	int  touch_changed = 0, i;
2948 
2949 	if (data[0] != 0x02)
2950 	    return 0;
2951 
2952 	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2953 	for (i = 0; i < count; i++) {
2954 		int offset = (8 * i) + 2;
2955 		int msg_id = data[offset];
2956 
2957 		if (msg_id >= 2 && msg_id <= 17) {
2958 			wacom_bpt3_touch_msg(wacom, data + offset);
2959 			touch_changed++;
2960 		} else if (msg_id == 128)
2961 			wacom_bpt3_button_msg(wacom, data + offset);
2962 
2963 	}
2964 
2965 	/* only update touch if we actually have a touchpad and touch data changed */
2966 	if (wacom->touch_input && touch_changed) {
2967 		input_mt_sync_frame(wacom->touch_input);
2968 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2969 	}
2970 
2971 	return 1;
2972 }
2973 
2974 static int wacom_bpt_pen(struct wacom_wac *wacom)
2975 {
2976 	struct wacom_features *features = &wacom->features;
2977 	struct input_dev *input = wacom->pen_input;
2978 	unsigned char *data = wacom->data;
2979 	int x = 0, y = 0, p = 0, d = 0;
2980 	bool pen = false, btn1 = false, btn2 = false;
2981 	bool range, prox, rdy;
2982 
2983 	if (data[0] != WACOM_REPORT_PENABLED)
2984 	    return 0;
2985 
2986 	range = (data[1] & 0x80) == 0x80;
2987 	prox = (data[1] & 0x40) == 0x40;
2988 	rdy = (data[1] & 0x20) == 0x20;
2989 
2990 	wacom->shared->stylus_in_proximity = range;
2991 	if (delay_pen_events(wacom))
2992 		return 0;
2993 
2994 	if (rdy) {
2995 		p = le16_to_cpup((__le16 *)&data[6]);
2996 		pen = data[1] & 0x01;
2997 		btn1 = data[1] & 0x02;
2998 		btn2 = data[1] & 0x04;
2999 	}
3000 	if (prox) {
3001 		x = le16_to_cpup((__le16 *)&data[2]);
3002 		y = le16_to_cpup((__le16 *)&data[4]);
3003 
3004 		if (data[1] & 0x08) {
3005 			wacom->tool[0] = BTN_TOOL_RUBBER;
3006 			wacom->id[0] = ERASER_DEVICE_ID;
3007 		} else {
3008 			wacom->tool[0] = BTN_TOOL_PEN;
3009 			wacom->id[0] = STYLUS_DEVICE_ID;
3010 		}
3011 		wacom->reporting_data = true;
3012 	}
3013 	if (range) {
3014 		/*
3015 		 * Convert distance from out prox to distance from tablet.
3016 		 * distance will be greater than distance_max once
3017 		 * touching and applying pressure; do not report negative
3018 		 * distance.
3019 		 */
3020 		if (data[8] <= features->distance_max)
3021 			d = features->distance_max - data[8];
3022 	} else {
3023 		wacom->id[0] = 0;
3024 	}
3025 
3026 	if (wacom->reporting_data) {
3027 		input_report_key(input, BTN_TOUCH, pen);
3028 		input_report_key(input, BTN_STYLUS, btn1);
3029 		input_report_key(input, BTN_STYLUS2, btn2);
3030 
3031 		if (prox || !range) {
3032 			input_report_abs(input, ABS_X, x);
3033 			input_report_abs(input, ABS_Y, y);
3034 		}
3035 		input_report_abs(input, ABS_PRESSURE, p);
3036 		input_report_abs(input, ABS_DISTANCE, d);
3037 
3038 		input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3039 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3040 	}
3041 
3042 	if (!range) {
3043 		wacom->reporting_data = false;
3044 	}
3045 
3046 	return 1;
3047 }
3048 
3049 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3050 {
3051 	struct wacom_features *features = &wacom->features;
3052 
3053 	if ((features->type == INTUOSHT2) &&
3054 	    (features->device_type & WACOM_DEVICETYPE_PEN))
3055 		return wacom_intuos_irq(wacom);
3056 	else if (len == WACOM_PKGLEN_BBTOUCH)
3057 		return wacom_bpt_touch(wacom);
3058 	else if (len == WACOM_PKGLEN_BBTOUCH3)
3059 		return wacom_bpt3_touch(wacom);
3060 	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3061 		return wacom_bpt_pen(wacom);
3062 
3063 	return 0;
3064 }
3065 
3066 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3067 		unsigned char *data)
3068 {
3069 	unsigned char prefix;
3070 
3071 	/*
3072 	 * We need to reroute the event from the debug interface to the
3073 	 * pen interface.
3074 	 * We need to add the report ID to the actual pen report, so we
3075 	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
3076 	 * and memcpy the report.
3077 	 */
3078 	prefix = data[0];
3079 	data[0] = WACOM_REPORT_BPAD_PEN;
3080 
3081 	/*
3082 	 * actually reroute the event.
3083 	 * No need to check if wacom->shared->pen is valid, hid_input_report()
3084 	 * will check for us.
3085 	 */
3086 	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3087 			 WACOM_PKGLEN_PENABLED, 1);
3088 
3089 	data[0] = prefix;
3090 }
3091 
3092 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3093 		unsigned char *data)
3094 {
3095 	struct input_dev *input = wacom->touch_input;
3096 	unsigned char *finger_data, prefix;
3097 	unsigned id;
3098 	int x, y;
3099 	bool valid;
3100 
3101 	prefix = data[0];
3102 
3103 	for (id = 0; id < wacom->features.touch_max; id++) {
3104 		valid = !!(prefix & BIT(id)) &&
3105 			report_touch_events(wacom);
3106 
3107 		input_mt_slot(input, id);
3108 		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3109 
3110 		if (!valid)
3111 			continue;
3112 
3113 		finger_data = data + 1 + id * 3;
3114 		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3115 		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3116 
3117 		input_report_abs(input, ABS_MT_POSITION_X, x);
3118 		input_report_abs(input, ABS_MT_POSITION_Y, y);
3119 	}
3120 
3121 	input_mt_sync_frame(input);
3122 
3123 	input_report_key(input, BTN_LEFT, prefix & 0x40);
3124 	input_report_key(input, BTN_RIGHT, prefix & 0x80);
3125 
3126 	/* keep touch state for pen event */
3127 	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3128 
3129 	return 1;
3130 }
3131 
3132 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3133 {
3134 	unsigned char *data = wacom->data;
3135 
3136 	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3137 	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3138 	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
3139 		return 0;
3140 
3141 	if (data[1] & 0x01)
3142 		wacom_bamboo_pad_pen_event(wacom, &data[1]);
3143 
3144 	if (data[1] & 0x02)
3145 		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3146 
3147 	return 0;
3148 }
3149 
3150 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3151 {
3152 	unsigned char *data = wacom->data;
3153 	int connected;
3154 
3155 	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3156 		return 0;
3157 
3158 	connected = data[1] & 0x01;
3159 	if (connected) {
3160 		int pid, battery, charging;
3161 
3162 		if ((wacom->shared->type == INTUOSHT ||
3163 		    wacom->shared->type == INTUOSHT2) &&
3164 		    wacom->shared->touch_input &&
3165 		    wacom->shared->touch_max) {
3166 			input_report_switch(wacom->shared->touch_input,
3167 					SW_MUTE_DEVICE, data[5] & 0x40);
3168 			input_sync(wacom->shared->touch_input);
3169 		}
3170 
3171 		pid = get_unaligned_be16(&data[6]);
3172 		battery = (data[5] & 0x3f) * 100 / 31;
3173 		charging = !!(data[5] & 0x80);
3174 		if (wacom->pid != pid) {
3175 			wacom->pid = pid;
3176 			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3177 		}
3178 
3179 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3180 				     battery, charging, 1, 0);
3181 
3182 	} else if (wacom->pid != 0) {
3183 		/* disconnected while previously connected */
3184 		wacom->pid = 0;
3185 		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3186 		wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3187 	}
3188 
3189 	return 0;
3190 }
3191 
3192 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3193 {
3194 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3195 	struct wacom_features *features = &wacom_wac->features;
3196 	unsigned char *data = wacom_wac->data;
3197 
3198 	if (data[0] != WACOM_REPORT_USB)
3199 		return 0;
3200 
3201 	if ((features->type == INTUOSHT ||
3202 	    features->type == INTUOSHT2) &&
3203 	    wacom_wac->shared->touch_input &&
3204 	    features->touch_max) {
3205 		input_report_switch(wacom_wac->shared->touch_input,
3206 				    SW_MUTE_DEVICE, data[8] & 0x40);
3207 		input_sync(wacom_wac->shared->touch_input);
3208 	}
3209 
3210 	if (data[9] & 0x02) { /* wireless module is attached */
3211 		int battery = (data[8] & 0x3f) * 100 / 31;
3212 		bool charging = !!(data[8] & 0x80);
3213 
3214 		wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3215 				     battery, charging, battery || charging, 1);
3216 
3217 		if (!wacom->battery.battery &&
3218 		    !(features->quirks & WACOM_QUIRK_BATTERY)) {
3219 			features->quirks |= WACOM_QUIRK_BATTERY;
3220 			wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3221 		}
3222 	}
3223 	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3224 		 wacom->battery.battery) {
3225 		features->quirks &= ~WACOM_QUIRK_BATTERY;
3226 		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3227 		wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3228 	}
3229 	return 0;
3230 }
3231 
3232 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3233 {
3234 	bool sync;
3235 
3236 	switch (wacom_wac->features.type) {
3237 	case PENPARTNER:
3238 		sync = wacom_penpartner_irq(wacom_wac);
3239 		break;
3240 
3241 	case PL:
3242 		sync = wacom_pl_irq(wacom_wac);
3243 		break;
3244 
3245 	case WACOM_G4:
3246 	case GRAPHIRE:
3247 	case GRAPHIRE_BT:
3248 	case WACOM_MO:
3249 		sync = wacom_graphire_irq(wacom_wac);
3250 		break;
3251 
3252 	case PTU:
3253 		sync = wacom_ptu_irq(wacom_wac);
3254 		break;
3255 
3256 	case DTU:
3257 		sync = wacom_dtu_irq(wacom_wac);
3258 		break;
3259 
3260 	case DTUS:
3261 	case DTUSX:
3262 		sync = wacom_dtus_irq(wacom_wac);
3263 		break;
3264 
3265 	case INTUOS:
3266 	case INTUOS3S:
3267 	case INTUOS3:
3268 	case INTUOS3L:
3269 	case INTUOS4S:
3270 	case INTUOS4:
3271 	case INTUOS4L:
3272 	case CINTIQ:
3273 	case WACOM_BEE:
3274 	case WACOM_13HD:
3275 	case WACOM_21UX2:
3276 	case WACOM_22HD:
3277 	case WACOM_24HD:
3278 	case WACOM_27QHD:
3279 	case DTK:
3280 	case CINTIQ_HYBRID:
3281 	case CINTIQ_COMPANION_2:
3282 		sync = wacom_intuos_irq(wacom_wac);
3283 		break;
3284 
3285 	case INTUOS4WL:
3286 		sync = wacom_intuos_bt_irq(wacom_wac, len);
3287 		break;
3288 
3289 	case WACOM_24HDT:
3290 	case WACOM_27QHDT:
3291 		sync = wacom_24hdt_irq(wacom_wac);
3292 		break;
3293 
3294 	case INTUOS5S:
3295 	case INTUOS5:
3296 	case INTUOS5L:
3297 	case INTUOSPS:
3298 	case INTUOSPM:
3299 	case INTUOSPL:
3300 		if (len == WACOM_PKGLEN_BBTOUCH3)
3301 			sync = wacom_bpt3_touch(wacom_wac);
3302 		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3303 			sync = wacom_status_irq(wacom_wac, len);
3304 		else
3305 			sync = wacom_intuos_irq(wacom_wac);
3306 		break;
3307 
3308 	case INTUOSP2_BT:
3309 	case INTUOSP2S_BT:
3310 	case INTUOSHT3_BT:
3311 		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3312 		break;
3313 
3314 	case TABLETPC:
3315 	case TABLETPCE:
3316 	case TABLETPC2FG:
3317 	case MTSCREEN:
3318 	case MTTPC:
3319 	case MTTPC_B:
3320 		sync = wacom_tpc_irq(wacom_wac, len);
3321 		break;
3322 
3323 	case BAMBOO_PT:
3324 	case BAMBOO_PEN:
3325 	case BAMBOO_TOUCH:
3326 	case INTUOSHT:
3327 	case INTUOSHT2:
3328 		if (wacom_wac->data[0] == WACOM_REPORT_USB)
3329 			sync = wacom_status_irq(wacom_wac, len);
3330 		else
3331 			sync = wacom_bpt_irq(wacom_wac, len);
3332 		break;
3333 
3334 	case BAMBOO_PAD:
3335 		sync = wacom_bamboo_pad_irq(wacom_wac, len);
3336 		break;
3337 
3338 	case WIRELESS:
3339 		sync = wacom_wireless_irq(wacom_wac, len);
3340 		break;
3341 
3342 	case REMOTE:
3343 		sync = false;
3344 		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3345 			wacom_remote_status_irq(wacom_wac, len);
3346 		else
3347 			sync = wacom_remote_irq(wacom_wac, len);
3348 		break;
3349 
3350 	default:
3351 		sync = false;
3352 		break;
3353 	}
3354 
3355 	if (sync) {
3356 		if (wacom_wac->pen_input)
3357 			input_sync(wacom_wac->pen_input);
3358 		if (wacom_wac->touch_input)
3359 			input_sync(wacom_wac->touch_input);
3360 		if (wacom_wac->pad_input)
3361 			input_sync(wacom_wac->pad_input);
3362 	}
3363 }
3364 
3365 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3366 {
3367 	struct input_dev *input_dev = wacom_wac->pen_input;
3368 
3369 	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3370 
3371 	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3372 	__set_bit(BTN_STYLUS, input_dev->keybit);
3373 	__set_bit(BTN_STYLUS2, input_dev->keybit);
3374 
3375 	input_set_abs_params(input_dev, ABS_DISTANCE,
3376 			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3377 }
3378 
3379 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3380 {
3381 	struct input_dev *input_dev = wacom_wac->pen_input;
3382 	struct wacom_features *features = &wacom_wac->features;
3383 
3384 	wacom_setup_basic_pro_pen(wacom_wac);
3385 
3386 	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3387 	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3388 	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3389 	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3390 
3391 	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3392 	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3393 	input_abs_set_res(input_dev, ABS_TILT_X, 57);
3394 	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3395 	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3396 }
3397 
3398 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3399 {
3400 	struct input_dev *input_dev = wacom_wac->pen_input;
3401 
3402 	input_set_capability(input_dev, EV_REL, REL_WHEEL);
3403 
3404 	wacom_setup_cintiq(wacom_wac);
3405 
3406 	__set_bit(BTN_LEFT, input_dev->keybit);
3407 	__set_bit(BTN_RIGHT, input_dev->keybit);
3408 	__set_bit(BTN_MIDDLE, input_dev->keybit);
3409 	__set_bit(BTN_SIDE, input_dev->keybit);
3410 	__set_bit(BTN_EXTRA, input_dev->keybit);
3411 	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3412 	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
3413 
3414 	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3415 	input_abs_set_res(input_dev, ABS_RZ, 287);
3416 	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3417 }
3418 
3419 void wacom_setup_device_quirks(struct wacom *wacom)
3420 {
3421 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3422 	struct wacom_features *features = &wacom->wacom_wac.features;
3423 
3424 	/* The pen and pad share the same interface on most devices */
3425 	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3426 	    features->type == DTUS ||
3427 	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3428 		if (features->device_type & WACOM_DEVICETYPE_PEN)
3429 			features->device_type |= WACOM_DEVICETYPE_PAD;
3430 	}
3431 
3432 	/* touch device found but size is not defined. use default */
3433 	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3434 		features->x_max = 1023;
3435 		features->y_max = 1023;
3436 	}
3437 
3438 	/*
3439 	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3440 	 * touch interface in its HID descriptor. If this is the touch
3441 	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3442 	 * tablet values.
3443 	 */
3444 	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3445 		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3446 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3447 			if (features->touch_max)
3448 				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3449 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3450 				features->device_type |= WACOM_DEVICETYPE_PAD;
3451 
3452 			if (features->type == INTUOSHT2) {
3453 				features->x_max = features->x_max / 10;
3454 				features->y_max = features->y_max / 10;
3455 			}
3456 			else {
3457 				features->x_max = 4096;
3458 				features->y_max = 4096;
3459 			}
3460 		}
3461 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3462 			features->device_type |= WACOM_DEVICETYPE_PAD;
3463 		}
3464 	}
3465 
3466 	/*
3467 	 * Hack for the Bamboo One:
3468 	 * the device presents a PAD/Touch interface as most Bamboos and even
3469 	 * sends ghosts PAD data on it. However, later, we must disable this
3470 	 * ghost interface, and we can not detect it unless we set it here
3471 	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3472 	 */
3473 	if (features->type == BAMBOO_PEN &&
3474 	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3475 		features->device_type |= WACOM_DEVICETYPE_PAD;
3476 
3477 	/*
3478 	 * Raw Wacom-mode pen and touch events both come from interface
3479 	 * 0, whose HID descriptor has an application usage of 0xFF0D
3480 	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3481 	 * out through the HID_GENERIC device created for interface 1,
3482 	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3483 	 */
3484 	if (features->type == BAMBOO_PAD)
3485 		features->device_type = WACOM_DEVICETYPE_TOUCH;
3486 
3487 	if (features->type == REMOTE)
3488 		features->device_type = WACOM_DEVICETYPE_PAD;
3489 
3490 	if (features->type == INTUOSP2_BT ||
3491 	    features->type == INTUOSP2S_BT) {
3492 		features->device_type |= WACOM_DEVICETYPE_PEN |
3493 					 WACOM_DEVICETYPE_PAD |
3494 					 WACOM_DEVICETYPE_TOUCH;
3495 		features->quirks |= WACOM_QUIRK_BATTERY;
3496 	}
3497 
3498 	if (features->type == INTUOSHT3_BT) {
3499 		features->device_type |= WACOM_DEVICETYPE_PEN |
3500 					 WACOM_DEVICETYPE_PAD;
3501 		features->quirks |= WACOM_QUIRK_BATTERY;
3502 	}
3503 
3504 	switch (features->type) {
3505 	case PL:
3506 	case DTU:
3507 	case DTUS:
3508 	case DTUSX:
3509 	case WACOM_21UX2:
3510 	case WACOM_22HD:
3511 	case DTK:
3512 	case WACOM_24HD:
3513 	case WACOM_27QHD:
3514 	case CINTIQ_HYBRID:
3515 	case CINTIQ_COMPANION_2:
3516 	case CINTIQ:
3517 	case WACOM_BEE:
3518 	case WACOM_13HD:
3519 	case WACOM_24HDT:
3520 	case WACOM_27QHDT:
3521 	case TABLETPC:
3522 	case TABLETPCE:
3523 	case TABLETPC2FG:
3524 	case MTSCREEN:
3525 	case MTTPC:
3526 	case MTTPC_B:
3527 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3528 		break;
3529 	}
3530 
3531 	if (wacom->hdev->bus == BUS_BLUETOOTH)
3532 		features->quirks |= WACOM_QUIRK_BATTERY;
3533 
3534 	/* quirk for bamboo touch with 2 low res touches */
3535 	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3536 	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3537 		features->x_max <<= 5;
3538 		features->y_max <<= 5;
3539 		features->x_fuzz <<= 5;
3540 		features->y_fuzz <<= 5;
3541 		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3542 	}
3543 
3544 	if (features->type == WIRELESS) {
3545 		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3546 			features->quirks |= WACOM_QUIRK_BATTERY;
3547 		}
3548 	}
3549 
3550 	if (features->type == REMOTE)
3551 		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3552 
3553 	/* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3554 	 * of things it shouldn't. Lets fix up the damage...
3555 	 */
3556 	if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3557 		features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3558 		__clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3559 		__clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3560 		__clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3561 		__clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3562 		__clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3563 		__clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3564 		__clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3565 		__clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3566 		__clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3567 		__clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3568 		__clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3569 	}
3570 }
3571 
3572 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3573 				   struct wacom_wac *wacom_wac)
3574 {
3575 	struct wacom_features *features = &wacom_wac->features;
3576 
3577 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3578 
3579 	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3580 		return -ENODEV;
3581 
3582 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3583 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3584 	else
3585 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3586 
3587 	if (features->type == HID_GENERIC) {
3588 		/* setup has already been done; apply otherwise-undetectible quirks */
3589 		input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3590 		return 0;
3591 	}
3592 
3593 	__set_bit(BTN_TOUCH, input_dev->keybit);
3594 	__set_bit(ABS_MISC, input_dev->absbit);
3595 
3596 	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3597 			     features->x_max - features->offset_right,
3598 			     features->x_fuzz, 0);
3599 	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3600 			     features->y_max - features->offset_bottom,
3601 			     features->y_fuzz, 0);
3602 	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3603 		features->pressure_max, features->pressure_fuzz, 0);
3604 
3605 	/* penabled devices have fixed resolution for each model */
3606 	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3607 	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3608 
3609 	switch (features->type) {
3610 	case GRAPHIRE_BT:
3611 		__clear_bit(ABS_MISC, input_dev->absbit);
3612 		fallthrough;
3613 
3614 	case WACOM_MO:
3615 	case WACOM_G4:
3616 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3617 					      features->distance_max,
3618 					      features->distance_fuzz, 0);
3619 		fallthrough;
3620 
3621 	case GRAPHIRE:
3622 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3623 
3624 		__set_bit(BTN_LEFT, input_dev->keybit);
3625 		__set_bit(BTN_RIGHT, input_dev->keybit);
3626 		__set_bit(BTN_MIDDLE, input_dev->keybit);
3627 
3628 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3629 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3630 		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3631 		__set_bit(BTN_STYLUS, input_dev->keybit);
3632 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3633 		break;
3634 
3635 	case WACOM_27QHD:
3636 	case WACOM_24HD:
3637 	case DTK:
3638 	case WACOM_22HD:
3639 	case WACOM_21UX2:
3640 	case WACOM_BEE:
3641 	case CINTIQ:
3642 	case WACOM_13HD:
3643 	case CINTIQ_HYBRID:
3644 	case CINTIQ_COMPANION_2:
3645 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3646 		input_abs_set_res(input_dev, ABS_Z, 287);
3647 		wacom_setup_cintiq(wacom_wac);
3648 		break;
3649 
3650 	case INTUOS3:
3651 	case INTUOS3L:
3652 	case INTUOS3S:
3653 	case INTUOS4:
3654 	case INTUOS4WL:
3655 	case INTUOS4L:
3656 	case INTUOS4S:
3657 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3658 		input_abs_set_res(input_dev, ABS_Z, 287);
3659 		fallthrough;
3660 
3661 	case INTUOS:
3662 		wacom_setup_intuos(wacom_wac);
3663 		break;
3664 
3665 	case INTUOS5:
3666 	case INTUOS5L:
3667 	case INTUOSPM:
3668 	case INTUOSPL:
3669 	case INTUOS5S:
3670 	case INTUOSPS:
3671 	case INTUOSP2_BT:
3672 	case INTUOSP2S_BT:
3673 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3674 				      features->distance_max,
3675 				      features->distance_fuzz, 0);
3676 
3677 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3678 		input_abs_set_res(input_dev, ABS_Z, 287);
3679 
3680 		wacom_setup_intuos(wacom_wac);
3681 		break;
3682 
3683 	case WACOM_24HDT:
3684 	case WACOM_27QHDT:
3685 	case MTSCREEN:
3686 	case MTTPC:
3687 	case MTTPC_B:
3688 	case TABLETPC2FG:
3689 	case TABLETPC:
3690 	case TABLETPCE:
3691 		__clear_bit(ABS_MISC, input_dev->absbit);
3692 		fallthrough;
3693 
3694 	case DTUS:
3695 	case DTUSX:
3696 	case PL:
3697 	case DTU:
3698 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3699 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3700 		__set_bit(BTN_STYLUS, input_dev->keybit);
3701 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3702 		break;
3703 
3704 	case PTU:
3705 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3706 		fallthrough;
3707 
3708 	case PENPARTNER:
3709 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3710 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3711 		__set_bit(BTN_STYLUS, input_dev->keybit);
3712 		break;
3713 
3714 	case INTUOSHT:
3715 	case BAMBOO_PT:
3716 	case BAMBOO_PEN:
3717 	case INTUOSHT2:
3718 	case INTUOSHT3_BT:
3719 		if (features->type == INTUOSHT2 ||
3720 		    features->type == INTUOSHT3_BT) {
3721 			wacom_setup_basic_pro_pen(wacom_wac);
3722 		} else {
3723 			__clear_bit(ABS_MISC, input_dev->absbit);
3724 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3725 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3726 			__set_bit(BTN_STYLUS, input_dev->keybit);
3727 			__set_bit(BTN_STYLUS2, input_dev->keybit);
3728 			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3729 				      features->distance_max,
3730 				      features->distance_fuzz, 0);
3731 		}
3732 		break;
3733 	case BAMBOO_PAD:
3734 		__clear_bit(ABS_MISC, input_dev->absbit);
3735 		break;
3736 	}
3737 	return 0;
3738 }
3739 
3740 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3741 					 struct wacom_wac *wacom_wac)
3742 {
3743 	struct wacom_features *features = &wacom_wac->features;
3744 
3745 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3746 
3747 	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3748 		return -ENODEV;
3749 
3750 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3751 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3752 	else
3753 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3754 
3755 	if (features->type == HID_GENERIC)
3756 		/* setup has already been done */
3757 		return 0;
3758 
3759 	__set_bit(BTN_TOUCH, input_dev->keybit);
3760 
3761 	if (features->touch_max == 1) {
3762 		input_set_abs_params(input_dev, ABS_X, 0,
3763 			features->x_max, features->x_fuzz, 0);
3764 		input_set_abs_params(input_dev, ABS_Y, 0,
3765 			features->y_max, features->y_fuzz, 0);
3766 		input_abs_set_res(input_dev, ABS_X,
3767 				  features->x_resolution);
3768 		input_abs_set_res(input_dev, ABS_Y,
3769 				  features->y_resolution);
3770 	}
3771 	else if (features->touch_max > 1) {
3772 		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3773 			features->x_max, features->x_fuzz, 0);
3774 		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3775 			features->y_max, features->y_fuzz, 0);
3776 		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3777 				  features->x_resolution);
3778 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3779 				  features->y_resolution);
3780 	}
3781 
3782 	switch (features->type) {
3783 	case INTUOSP2_BT:
3784 	case INTUOSP2S_BT:
3785 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3786 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3787 
3788 		if (wacom_wac->shared->touch->product == 0x361) {
3789 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3790 					     0, 12440, 4, 0);
3791 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3792 					     0, 8640, 4, 0);
3793 		}
3794 		else if (wacom_wac->shared->touch->product == 0x360) {
3795 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3796 					     0, 8960, 4, 0);
3797 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3798 					     0, 5920, 4, 0);
3799 		}
3800 		else if (wacom_wac->shared->touch->product == 0x393) {
3801 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3802 					     0, 6400, 4, 0);
3803 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3804 					     0, 4000, 4, 0);
3805 		}
3806 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3807 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3808 
3809 		fallthrough;
3810 
3811 	case INTUOS5:
3812 	case INTUOS5L:
3813 	case INTUOSPM:
3814 	case INTUOSPL:
3815 	case INTUOS5S:
3816 	case INTUOSPS:
3817 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3818 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3819 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3820 		break;
3821 
3822 	case WACOM_24HDT:
3823 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3824 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3825 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3826 		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3827 		fallthrough;
3828 
3829 	case WACOM_27QHDT:
3830 		if (wacom_wac->shared->touch->product == 0x32C ||
3831 		    wacom_wac->shared->touch->product == 0xF6) {
3832 			input_dev->evbit[0] |= BIT_MASK(EV_SW);
3833 			__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3834 			wacom_wac->shared->has_mute_touch_switch = true;
3835 		}
3836 		fallthrough;
3837 
3838 	case MTSCREEN:
3839 	case MTTPC:
3840 	case MTTPC_B:
3841 	case TABLETPC2FG:
3842 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3843 		fallthrough;
3844 
3845 	case TABLETPC:
3846 	case TABLETPCE:
3847 		break;
3848 
3849 	case INTUOSHT:
3850 	case INTUOSHT2:
3851 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3852 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3853 		fallthrough;
3854 
3855 	case BAMBOO_PT:
3856 	case BAMBOO_TOUCH:
3857 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3858 			input_set_abs_params(input_dev,
3859 				     ABS_MT_TOUCH_MAJOR,
3860 				     0, features->x_max, 0, 0);
3861 			input_set_abs_params(input_dev,
3862 				     ABS_MT_TOUCH_MINOR,
3863 				     0, features->y_max, 0, 0);
3864 		}
3865 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3866 		break;
3867 
3868 	case BAMBOO_PAD:
3869 		input_mt_init_slots(input_dev, features->touch_max,
3870 				    INPUT_MT_POINTER);
3871 		__set_bit(BTN_LEFT, input_dev->keybit);
3872 		__set_bit(BTN_RIGHT, input_dev->keybit);
3873 		break;
3874 	}
3875 	return 0;
3876 }
3877 
3878 static int wacom_numbered_button_to_key(int n)
3879 {
3880 	if (n < 10)
3881 		return BTN_0 + n;
3882 	else if (n < 16)
3883 		return BTN_A + (n-10);
3884 	else if (n < 18)
3885 		return BTN_BASE + (n-16);
3886 	else
3887 		return 0;
3888 }
3889 
3890 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3891 				int button_count)
3892 {
3893 	int i;
3894 
3895 	for (i = 0; i < button_count; i++) {
3896 		int key = wacom_numbered_button_to_key(i);
3897 
3898 		if (key)
3899 			__set_bit(key, input_dev->keybit);
3900 	}
3901 }
3902 
3903 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3904 {
3905 	struct wacom_led *led;
3906 	int i;
3907 	bool updated = false;
3908 
3909 	/*
3910 	 * 24HD has LED group 1 to the left and LED group 0 to the right.
3911 	 * So group 0 matches the second half of the buttons and thus the mask
3912 	 * needs to be shifted.
3913 	 */
3914 	if (group == 0)
3915 		mask >>= 8;
3916 
3917 	for (i = 0; i < 3; i++) {
3918 		led = wacom_led_find(wacom, group, i);
3919 		if (!led) {
3920 			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3921 				i, group);
3922 			continue;
3923 		}
3924 		if (!updated && mask & BIT(i)) {
3925 			led->held = true;
3926 			led_trigger_event(&led->trigger, LED_FULL);
3927 		} else {
3928 			led->held = false;
3929 		}
3930 	}
3931 }
3932 
3933 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3934 				 int mask, int group)
3935 {
3936 	int group_button;
3937 
3938 	/*
3939 	 * 21UX2 has LED group 1 to the left and LED group 0
3940 	 * to the right. We need to reverse the group to match this
3941 	 * historical behavior.
3942 	 */
3943 	if (wacom->wacom_wac.features.type == WACOM_21UX2)
3944 		group = 1 - group;
3945 
3946 	group_button = group * (button_count/wacom->led.count);
3947 
3948 	if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3949 		group_button = 8;
3950 
3951 	return mask & (1 << group_button);
3952 }
3953 
3954 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3955 			     int group)
3956 {
3957 	struct wacom_led *led, *next_led;
3958 	int cur;
3959 	bool pressed;
3960 
3961 	if (wacom->wacom_wac.features.type == WACOM_24HD)
3962 		return wacom_24hd_update_leds(wacom, mask, group);
3963 
3964 	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
3965 	cur = wacom->led.groups[group].select;
3966 
3967 	led = wacom_led_find(wacom, group, cur);
3968 	if (!led) {
3969 		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
3970 			cur, group);
3971 		return;
3972 	}
3973 
3974 	if (!pressed) {
3975 		led->held = false;
3976 		return;
3977 	}
3978 
3979 	if (led->held && pressed)
3980 		return;
3981 
3982 	next_led = wacom_led_next(wacom, led);
3983 	if (!next_led) {
3984 		hid_err(wacom->hdev, "can't find next LED in group %d\n",
3985 			group);
3986 		return;
3987 	}
3988 	if (next_led == led)
3989 		return;
3990 
3991 	next_led->held = true;
3992 	led_trigger_event(&next_led->trigger,
3993 			  wacom_leds_brightness_get(next_led));
3994 }
3995 
3996 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
3997 				int button_count, int mask)
3998 {
3999 	struct wacom *wacom = input_get_drvdata(input_dev);
4000 	int i;
4001 
4002 	for (i = 0; i < wacom->led.count; i++)
4003 		wacom_update_led(wacom,  button_count, mask, i);
4004 
4005 	for (i = 0; i < button_count; i++) {
4006 		int key = wacom_numbered_button_to_key(i);
4007 
4008 		if (key)
4009 			input_report_key(input_dev, key, mask & (1 << i));
4010 	}
4011 }
4012 
4013 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
4014 				   struct wacom_wac *wacom_wac)
4015 {
4016 	struct wacom_features *features = &wacom_wac->features;
4017 
4018 	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
4019 		features->device_type |= WACOM_DEVICETYPE_PAD;
4020 
4021 	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4022 		return -ENODEV;
4023 
4024 	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4025 		return -ENODEV;
4026 
4027 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4028 
4029 	/* kept for making legacy xf86-input-wacom working with the wheels */
4030 	__set_bit(ABS_MISC, input_dev->absbit);
4031 
4032 	/* kept for making legacy xf86-input-wacom accepting the pad */
4033 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4034 	      input_dev->absinfo[ABS_X].maximum)))
4035 		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4036 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4037 	      input_dev->absinfo[ABS_Y].maximum)))
4038 		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4039 
4040 	/* kept for making udev and libwacom accepting the pad */
4041 	__set_bit(BTN_STYLUS, input_dev->keybit);
4042 
4043 	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4044 
4045 	switch (features->type) {
4046 
4047 	case CINTIQ_HYBRID:
4048 	case CINTIQ_COMPANION_2:
4049 	case DTK:
4050 	case DTUS:
4051 	case GRAPHIRE_BT:
4052 		break;
4053 
4054 	case WACOM_MO:
4055 		__set_bit(BTN_BACK, input_dev->keybit);
4056 		__set_bit(BTN_LEFT, input_dev->keybit);
4057 		__set_bit(BTN_FORWARD, input_dev->keybit);
4058 		__set_bit(BTN_RIGHT, input_dev->keybit);
4059 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4060 		break;
4061 
4062 	case WACOM_G4:
4063 		__set_bit(BTN_BACK, input_dev->keybit);
4064 		__set_bit(BTN_FORWARD, input_dev->keybit);
4065 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
4066 		break;
4067 
4068 	case WACOM_24HD:
4069 		__set_bit(KEY_PROG1, input_dev->keybit);
4070 		__set_bit(KEY_PROG2, input_dev->keybit);
4071 		__set_bit(KEY_PROG3, input_dev->keybit);
4072 
4073 		__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4074 		__set_bit(KEY_INFO, input_dev->keybit);
4075 
4076 		if (!features->oPid)
4077 			__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4078 
4079 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4080 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4081 		break;
4082 
4083 	case WACOM_27QHD:
4084 		__set_bit(KEY_PROG1, input_dev->keybit);
4085 		__set_bit(KEY_PROG2, input_dev->keybit);
4086 		__set_bit(KEY_PROG3, input_dev->keybit);
4087 
4088 		__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4089 		__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4090 
4091 		if (!features->oPid)
4092 			__set_bit(KEY_CONTROLPANEL, input_dev->keybit);
4093 		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4094 		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4095 		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4096 		input_abs_set_res(input_dev, ABS_Y, 1024);
4097 		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4098 		input_abs_set_res(input_dev, ABS_Z, 1024);
4099 		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4100 		break;
4101 
4102 	case WACOM_22HD:
4103 		__set_bit(KEY_PROG1, input_dev->keybit);
4104 		__set_bit(KEY_PROG2, input_dev->keybit);
4105 		__set_bit(KEY_PROG3, input_dev->keybit);
4106 
4107 		__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4108 		__set_bit(KEY_INFO, input_dev->keybit);
4109 		fallthrough;
4110 
4111 	case WACOM_21UX2:
4112 	case WACOM_BEE:
4113 	case CINTIQ:
4114 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4115 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4116 		break;
4117 
4118 	case WACOM_13HD:
4119 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4120 		break;
4121 
4122 	case INTUOS3:
4123 	case INTUOS3L:
4124 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4125 		fallthrough;
4126 
4127 	case INTUOS3S:
4128 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4129 		break;
4130 
4131 	case INTUOS5:
4132 	case INTUOS5L:
4133 	case INTUOSPM:
4134 	case INTUOSPL:
4135 	case INTUOS5S:
4136 	case INTUOSPS:
4137 	case INTUOSP2_BT:
4138 	case INTUOSP2S_BT:
4139 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4140 		break;
4141 
4142 	case INTUOS4WL:
4143 		/*
4144 		 * For Bluetooth devices, the udev rule does not work correctly
4145 		 * for pads unless we add a stylus capability, which forces
4146 		 * ID_INPUT_TABLET to be set.
4147 		 */
4148 		__set_bit(BTN_STYLUS, input_dev->keybit);
4149 		fallthrough;
4150 
4151 	case INTUOS4:
4152 	case INTUOS4L:
4153 	case INTUOS4S:
4154 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4155 		break;
4156 
4157 	case INTUOSHT:
4158 	case BAMBOO_PT:
4159 	case BAMBOO_TOUCH:
4160 	case INTUOSHT2:
4161 		__clear_bit(ABS_MISC, input_dev->absbit);
4162 
4163 		__set_bit(BTN_LEFT, input_dev->keybit);
4164 		__set_bit(BTN_FORWARD, input_dev->keybit);
4165 		__set_bit(BTN_BACK, input_dev->keybit);
4166 		__set_bit(BTN_RIGHT, input_dev->keybit);
4167 
4168 		break;
4169 
4170 	case REMOTE:
4171 		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4172 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4173 		break;
4174 
4175 	case INTUOSHT3_BT:
4176 	case HID_GENERIC:
4177 		break;
4178 
4179 	default:
4180 		/* no pad supported */
4181 		return -ENODEV;
4182 	}
4183 	return 0;
4184 }
4185 
4186 static const struct wacom_features wacom_features_0x00 =
4187 	{ "Wacom Penpartner", 5040, 3780, 255, 0,
4188 	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4189 static const struct wacom_features wacom_features_0x10 =
4190 	{ "Wacom Graphire", 10206, 7422, 511, 63,
4191 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4192 static const struct wacom_features wacom_features_0x81 =
4193 	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
4194 	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4195 static const struct wacom_features wacom_features_0x11 =
4196 	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4197 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4198 static const struct wacom_features wacom_features_0x12 =
4199 	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4200 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4201 static const struct wacom_features wacom_features_0x13 =
4202 	{ "Wacom Graphire3", 10208, 7424, 511, 63,
4203 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4204 static const struct wacom_features wacom_features_0x14 =
4205 	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4206 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4207 static const struct wacom_features wacom_features_0x15 =
4208 	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4209 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4210 static const struct wacom_features wacom_features_0x16 =
4211 	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4212 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4213 static const struct wacom_features wacom_features_0x17 =
4214 	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4215 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4216 static const struct wacom_features wacom_features_0x18 =
4217 	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4218 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4219 static const struct wacom_features wacom_features_0x19 =
4220 	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4221 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4222 static const struct wacom_features wacom_features_0x60 =
4223 	{ "Wacom Volito", 5104, 3712, 511, 63,
4224 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4225 static const struct wacom_features wacom_features_0x61 =
4226 	{ "Wacom PenStation2", 3250, 2320, 255, 63,
4227 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4228 static const struct wacom_features wacom_features_0x62 =
4229 	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4230 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4231 static const struct wacom_features wacom_features_0x63 =
4232 	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4233 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4234 static const struct wacom_features wacom_features_0x64 =
4235 	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
4236 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4237 static const struct wacom_features wacom_features_0x65 =
4238 	{ "Wacom Bamboo", 14760, 9225, 511, 63,
4239 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4240 static const struct wacom_features wacom_features_0x69 =
4241 	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
4242 	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4243 static const struct wacom_features wacom_features_0x6A =
4244 	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4245 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4246 static const struct wacom_features wacom_features_0x6B =
4247 	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4248 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4249 static const struct wacom_features wacom_features_0x20 =
4250 	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4251 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4252 static const struct wacom_features wacom_features_0x21 =
4253 	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4254 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4255 static const struct wacom_features wacom_features_0x22 =
4256 	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4257 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4258 static const struct wacom_features wacom_features_0x23 =
4259 	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4260 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4261 static const struct wacom_features wacom_features_0x24 =
4262 	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4263 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4264 static const struct wacom_features wacom_features_0x30 =
4265 	{ "Wacom PL400", 5408, 4056, 255, 0,
4266 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4267 static const struct wacom_features wacom_features_0x31 =
4268 	{ "Wacom PL500", 6144, 4608, 255, 0,
4269 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4270 static const struct wacom_features wacom_features_0x32 =
4271 	{ "Wacom PL600", 6126, 4604, 255, 0,
4272 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4273 static const struct wacom_features wacom_features_0x33 =
4274 	{ "Wacom PL600SX", 6260, 5016, 255, 0,
4275 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4276 static const struct wacom_features wacom_features_0x34 =
4277 	{ "Wacom PL550", 6144, 4608, 511, 0,
4278 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4279 static const struct wacom_features wacom_features_0x35 =
4280 	{ "Wacom PL800", 7220, 5780, 511, 0,
4281 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4282 static const struct wacom_features wacom_features_0x37 =
4283 	{ "Wacom PL700", 6758, 5406, 511, 0,
4284 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4285 static const struct wacom_features wacom_features_0x38 =
4286 	{ "Wacom PL510", 6282, 4762, 511, 0,
4287 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4288 static const struct wacom_features wacom_features_0x39 =
4289 	{ "Wacom DTU710", 34080, 27660, 511, 0,
4290 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4291 static const struct wacom_features wacom_features_0xC4 =
4292 	{ "Wacom DTF521", 6282, 4762, 511, 0,
4293 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4294 static const struct wacom_features wacom_features_0xC0 =
4295 	{ "Wacom DTF720", 6858, 5506, 511, 0,
4296 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4297 static const struct wacom_features wacom_features_0xC2 =
4298 	{ "Wacom DTF720a", 6858, 5506, 511, 0,
4299 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4300 static const struct wacom_features wacom_features_0x03 =
4301 	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4302 	  PTU, WACOM_PL_RES, WACOM_PL_RES };
4303 static const struct wacom_features wacom_features_0x41 =
4304 	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4305 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4306 static const struct wacom_features wacom_features_0x42 =
4307 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4308 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4309 static const struct wacom_features wacom_features_0x43 =
4310 	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4311 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4312 static const struct wacom_features wacom_features_0x44 =
4313 	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4314 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4315 static const struct wacom_features wacom_features_0x45 =
4316 	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4317 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4318 static const struct wacom_features wacom_features_0xB0 =
4319 	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4320 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4321 static const struct wacom_features wacom_features_0xB1 =
4322 	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4323 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4324 static const struct wacom_features wacom_features_0xB2 =
4325 	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4326 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4327 static const struct wacom_features wacom_features_0xB3 =
4328 	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4329 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4330 static const struct wacom_features wacom_features_0xB4 =
4331 	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4332 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4333 static const struct wacom_features wacom_features_0xB5 =
4334 	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4335 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4336 static const struct wacom_features wacom_features_0xB7 =
4337 	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4338 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4339 static const struct wacom_features wacom_features_0xB8 =
4340 	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4341 	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4342 static const struct wacom_features wacom_features_0xB9 =
4343 	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4344 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4345 static const struct wacom_features wacom_features_0xBA =
4346 	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4347 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4348 static const struct wacom_features wacom_features_0xBB =
4349 	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4350 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4351 static const struct wacom_features wacom_features_0xBC =
4352 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4353 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4354 static const struct wacom_features wacom_features_0xBD =
4355 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4356 	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4357 static const struct wacom_features wacom_features_0x26 =
4358 	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4359 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4360 static const struct wacom_features wacom_features_0x27 =
4361 	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4362 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4363 static const struct wacom_features wacom_features_0x28 =
4364 	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4365 	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4366 static const struct wacom_features wacom_features_0x29 =
4367 	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4368 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4369 static const struct wacom_features wacom_features_0x2A =
4370 	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4371 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4372 static const struct wacom_features wacom_features_0x314 =
4373 	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4374 	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4375 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4376 static const struct wacom_features wacom_features_0x315 =
4377 	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4378 	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4379 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4380 static const struct wacom_features wacom_features_0x317 =
4381 	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4382 	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4383 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4384 static const struct wacom_features wacom_features_0xF4 =
4385 	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4386 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4387 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4388 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4389 static const struct wacom_features wacom_features_0xF8 =
4390 	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4391 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4392 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4393 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4394 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4395 static const struct wacom_features wacom_features_0xF6 =
4396 	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4397 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4398 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4399 static const struct wacom_features wacom_features_0x32A =
4400 	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4401 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4402 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4403 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4404 static const struct wacom_features wacom_features_0x32B =
4405 	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4406 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4407 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4408 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4409 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4410 static const struct wacom_features wacom_features_0x32C =
4411 	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4412 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4413 static const struct wacom_features wacom_features_0x3F =
4414 	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4415 	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4416 static const struct wacom_features wacom_features_0xC5 =
4417 	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4418 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4419 static const struct wacom_features wacom_features_0xC6 =
4420 	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4421 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4422 static const struct wacom_features wacom_features_0x304 =
4423 	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4424 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4425 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4426 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4427 static const struct wacom_features wacom_features_0x333 =
4428 	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4429 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4430 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4431 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4432 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4433 static const struct wacom_features wacom_features_0x335 =
4434 	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4435 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4436 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4437 static const struct wacom_features wacom_features_0xC7 =
4438 	{ "Wacom DTU1931", 37832, 30305, 511, 0,
4439 	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4440 static const struct wacom_features wacom_features_0xCE =
4441 	{ "Wacom DTU2231", 47864, 27011, 511, 0,
4442 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4443 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4444 static const struct wacom_features wacom_features_0xF0 =
4445 	{ "Wacom DTU1631", 34623, 19553, 511, 0,
4446 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4447 static const struct wacom_features wacom_features_0xFB =
4448 	{ "Wacom DTU1031", 22096, 13960, 511, 0,
4449 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4450 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4451 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4452 static const struct wacom_features wacom_features_0x32F =
4453 	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
4454 	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4455 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4456 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4457 static const struct wacom_features wacom_features_0x336 =
4458 	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
4459 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4460 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4461 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4462 static const struct wacom_features wacom_features_0x57 =
4463 	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
4464 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4465 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4466 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4467 static const struct wacom_features wacom_features_0x59 = /* Pen */
4468 	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
4469 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4470 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4471 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4472 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4473 static const struct wacom_features wacom_features_0x5D = /* Touch */
4474 	{ "Wacom DTH2242",       .type = WACOM_24HDT,
4475 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4476 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4477 static const struct wacom_features wacom_features_0xCC =
4478 	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4479 	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4480 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4481 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4482 static const struct wacom_features wacom_features_0xFA =
4483 	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4484 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4485 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4486 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4487 static const struct wacom_features wacom_features_0x5B =
4488 	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4489 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4490 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4491 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4492 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4493 static const struct wacom_features wacom_features_0x5E =
4494 	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4495 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4496 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4497 static const struct wacom_features wacom_features_0x90 =
4498 	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
4499 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4500 static const struct wacom_features wacom_features_0x93 =
4501 	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4502 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4503 static const struct wacom_features wacom_features_0x97 =
4504 	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4505 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4506 static const struct wacom_features wacom_features_0x9A =
4507 	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4508 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4509 static const struct wacom_features wacom_features_0x9F =
4510 	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4511 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4512 static const struct wacom_features wacom_features_0xE2 =
4513 	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4514 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4515 static const struct wacom_features wacom_features_0xE3 =
4516 	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4517 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4518 static const struct wacom_features wacom_features_0xE5 =
4519 	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4520 	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4521 static const struct wacom_features wacom_features_0xE6 =
4522 	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4523 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4524 static const struct wacom_features wacom_features_0xEC =
4525 	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4526 	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4527 static const struct wacom_features wacom_features_0xED =
4528 	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4529 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4530 static const struct wacom_features wacom_features_0xEF =
4531 	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4532 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4533 static const struct wacom_features wacom_features_0x100 =
4534 	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4535 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4536 static const struct wacom_features wacom_features_0x101 =
4537 	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4538 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4539 static const struct wacom_features wacom_features_0x10D =
4540 	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4541 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4542 static const struct wacom_features wacom_features_0x10E =
4543 	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4544 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4545 static const struct wacom_features wacom_features_0x10F =
4546 	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4547 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4548 static const struct wacom_features wacom_features_0x116 =
4549 	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4550 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4551 static const struct wacom_features wacom_features_0x12C =
4552 	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4553 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4554 static const struct wacom_features wacom_features_0x4001 =
4555 	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4556 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4557 static const struct wacom_features wacom_features_0x4004 =
4558 	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4559 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4560 static const struct wacom_features wacom_features_0x5000 =
4561 	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4562 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4563 static const struct wacom_features wacom_features_0x5002 =
4564 	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4565 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4566 static const struct wacom_features wacom_features_0x47 =
4567 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4568 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4569 static const struct wacom_features wacom_features_0x84 =
4570 	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4571 static const struct wacom_features wacom_features_0xD0 =
4572 	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4573 	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4574 static const struct wacom_features wacom_features_0xD1 =
4575 	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4576 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4577 static const struct wacom_features wacom_features_0xD2 =
4578 	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4579 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4580 static const struct wacom_features wacom_features_0xD3 =
4581 	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4582 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4583 static const struct wacom_features wacom_features_0xD4 =
4584 	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4585 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4586 static const struct wacom_features wacom_features_0xD5 =
4587 	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4588 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4589 static const struct wacom_features wacom_features_0xD6 =
4590 	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4591 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4592 static const struct wacom_features wacom_features_0xD7 =
4593 	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4594 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4595 static const struct wacom_features wacom_features_0xD8 =
4596 	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4597 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4598 static const struct wacom_features wacom_features_0xDA =
4599 	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4600 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4601 static const struct wacom_features wacom_features_0xDB =
4602 	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4603 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4604 static const struct wacom_features wacom_features_0xDD =
4605         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4606           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4607 static const struct wacom_features wacom_features_0xDE =
4608         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4609 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4610 static const struct wacom_features wacom_features_0xDF =
4611         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4612 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4613 static const struct wacom_features wacom_features_0x300 =
4614 	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4615 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4616 static const struct wacom_features wacom_features_0x301 =
4617 	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4618 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4619 static const struct wacom_features wacom_features_0x302 =
4620 	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4621 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4622 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4623 static const struct wacom_features wacom_features_0x303 =
4624 	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4625 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4626 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4627 static const struct wacom_features wacom_features_0x30E =
4628 	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4629 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4630 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4631 static const struct wacom_features wacom_features_0x6004 =
4632 	{ "ISD-V4", 12800, 8000, 255, 0,
4633 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4634 static const struct wacom_features wacom_features_0x307 =
4635 	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4636 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4637 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4638 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4639 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4640 static const struct wacom_features wacom_features_0x309 =
4641 	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4642 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4643 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4644 static const struct wacom_features wacom_features_0x30A =
4645 	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4646 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4647 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4648 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4649 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4650 static const struct wacom_features wacom_features_0x30C =
4651 	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4652 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4653 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4654 static const struct wacom_features wacom_features_0x318 =
4655 	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4656 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4657 static const struct wacom_features wacom_features_0x319 =
4658 	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4659 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4660 static const struct wacom_features wacom_features_0x325 =
4661 	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4662 	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4663 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4664 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4665 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4666 static const struct wacom_features wacom_features_0x326 = /* Touch */
4667 	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4668 	  .oPid = 0x325 };
4669 static const struct wacom_features wacom_features_0x323 =
4670 	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4671 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4672 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4673 static const struct wacom_features wacom_features_0x331 =
4674 	{ "Wacom Express Key Remote", .type = REMOTE,
4675 	  .numbered_buttons = 18, .check_for_hid_type = true,
4676 	  .hid_type = HID_TYPE_USBNONE };
4677 static const struct wacom_features wacom_features_0x33B =
4678 	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4679 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4680 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4681 static const struct wacom_features wacom_features_0x33C =
4682 	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4683 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4684 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4685 static const struct wacom_features wacom_features_0x33D =
4686 	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4687 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4688 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4689 static const struct wacom_features wacom_features_0x33E =
4690 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4691 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4692 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4693 static const struct wacom_features wacom_features_0x343 =
4694 	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4695 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4696 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4697 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4698 static const struct wacom_features wacom_features_0x360 =
4699 	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4700 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4701 static const struct wacom_features wacom_features_0x361 =
4702 	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4703 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4704 static const struct wacom_features wacom_features_0x377 =
4705 	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4706 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4707 static const struct wacom_features wacom_features_0x379 =
4708 	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4709 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4710 static const struct wacom_features wacom_features_0x37A =
4711 	{ "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4712 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4713 static const struct wacom_features wacom_features_0x37B =
4714 	{ "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4715 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4716 static const struct wacom_features wacom_features_0x393 =
4717 	{ "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4718 	  INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4719 	  .touch_max = 10 };
4720 
4721 static const struct wacom_features wacom_features_HID_ANY_ID =
4722 	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4723 
4724 #define USB_DEVICE_WACOM(prod)						\
4725 	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4726 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4727 
4728 #define BT_DEVICE_WACOM(prod)						\
4729 	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4730 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4731 
4732 #define I2C_DEVICE_WACOM(prod)						\
4733 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4734 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4735 
4736 #define USB_DEVICE_LENOVO(prod)					\
4737 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4738 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4739 
4740 const struct hid_device_id wacom_ids[] = {
4741 	{ USB_DEVICE_WACOM(0x00) },
4742 	{ USB_DEVICE_WACOM(0x03) },
4743 	{ USB_DEVICE_WACOM(0x10) },
4744 	{ USB_DEVICE_WACOM(0x11) },
4745 	{ USB_DEVICE_WACOM(0x12) },
4746 	{ USB_DEVICE_WACOM(0x13) },
4747 	{ USB_DEVICE_WACOM(0x14) },
4748 	{ USB_DEVICE_WACOM(0x15) },
4749 	{ USB_DEVICE_WACOM(0x16) },
4750 	{ USB_DEVICE_WACOM(0x17) },
4751 	{ USB_DEVICE_WACOM(0x18) },
4752 	{ USB_DEVICE_WACOM(0x19) },
4753 	{ USB_DEVICE_WACOM(0x20) },
4754 	{ USB_DEVICE_WACOM(0x21) },
4755 	{ USB_DEVICE_WACOM(0x22) },
4756 	{ USB_DEVICE_WACOM(0x23) },
4757 	{ USB_DEVICE_WACOM(0x24) },
4758 	{ USB_DEVICE_WACOM(0x26) },
4759 	{ USB_DEVICE_WACOM(0x27) },
4760 	{ USB_DEVICE_WACOM(0x28) },
4761 	{ USB_DEVICE_WACOM(0x29) },
4762 	{ USB_DEVICE_WACOM(0x2A) },
4763 	{ USB_DEVICE_WACOM(0x30) },
4764 	{ USB_DEVICE_WACOM(0x31) },
4765 	{ USB_DEVICE_WACOM(0x32) },
4766 	{ USB_DEVICE_WACOM(0x33) },
4767 	{ USB_DEVICE_WACOM(0x34) },
4768 	{ USB_DEVICE_WACOM(0x35) },
4769 	{ USB_DEVICE_WACOM(0x37) },
4770 	{ USB_DEVICE_WACOM(0x38) },
4771 	{ USB_DEVICE_WACOM(0x39) },
4772 	{ USB_DEVICE_WACOM(0x3F) },
4773 	{ USB_DEVICE_WACOM(0x41) },
4774 	{ USB_DEVICE_WACOM(0x42) },
4775 	{ USB_DEVICE_WACOM(0x43) },
4776 	{ USB_DEVICE_WACOM(0x44) },
4777 	{ USB_DEVICE_WACOM(0x45) },
4778 	{ USB_DEVICE_WACOM(0x47) },
4779 	{ USB_DEVICE_WACOM(0x57) },
4780 	{ USB_DEVICE_WACOM(0x59) },
4781 	{ USB_DEVICE_WACOM(0x5B) },
4782 	{ USB_DEVICE_WACOM(0x5D) },
4783 	{ USB_DEVICE_WACOM(0x5E) },
4784 	{ USB_DEVICE_WACOM(0x60) },
4785 	{ USB_DEVICE_WACOM(0x61) },
4786 	{ USB_DEVICE_WACOM(0x62) },
4787 	{ USB_DEVICE_WACOM(0x63) },
4788 	{ USB_DEVICE_WACOM(0x64) },
4789 	{ USB_DEVICE_WACOM(0x65) },
4790 	{ USB_DEVICE_WACOM(0x69) },
4791 	{ USB_DEVICE_WACOM(0x6A) },
4792 	{ USB_DEVICE_WACOM(0x6B) },
4793 	{ BT_DEVICE_WACOM(0x81) },
4794 	{ USB_DEVICE_WACOM(0x84) },
4795 	{ USB_DEVICE_WACOM(0x90) },
4796 	{ USB_DEVICE_WACOM(0x93) },
4797 	{ USB_DEVICE_WACOM(0x97) },
4798 	{ USB_DEVICE_WACOM(0x9A) },
4799 	{ USB_DEVICE_WACOM(0x9F) },
4800 	{ USB_DEVICE_WACOM(0xB0) },
4801 	{ USB_DEVICE_WACOM(0xB1) },
4802 	{ USB_DEVICE_WACOM(0xB2) },
4803 	{ USB_DEVICE_WACOM(0xB3) },
4804 	{ USB_DEVICE_WACOM(0xB4) },
4805 	{ USB_DEVICE_WACOM(0xB5) },
4806 	{ USB_DEVICE_WACOM(0xB7) },
4807 	{ USB_DEVICE_WACOM(0xB8) },
4808 	{ USB_DEVICE_WACOM(0xB9) },
4809 	{ USB_DEVICE_WACOM(0xBA) },
4810 	{ USB_DEVICE_WACOM(0xBB) },
4811 	{ USB_DEVICE_WACOM(0xBC) },
4812 	{ BT_DEVICE_WACOM(0xBD) },
4813 	{ USB_DEVICE_WACOM(0xC0) },
4814 	{ USB_DEVICE_WACOM(0xC2) },
4815 	{ USB_DEVICE_WACOM(0xC4) },
4816 	{ USB_DEVICE_WACOM(0xC5) },
4817 	{ USB_DEVICE_WACOM(0xC6) },
4818 	{ USB_DEVICE_WACOM(0xC7) },
4819 	{ USB_DEVICE_WACOM(0xCC) },
4820 	{ USB_DEVICE_WACOM(0xCE) },
4821 	{ USB_DEVICE_WACOM(0xD0) },
4822 	{ USB_DEVICE_WACOM(0xD1) },
4823 	{ USB_DEVICE_WACOM(0xD2) },
4824 	{ USB_DEVICE_WACOM(0xD3) },
4825 	{ USB_DEVICE_WACOM(0xD4) },
4826 	{ USB_DEVICE_WACOM(0xD5) },
4827 	{ USB_DEVICE_WACOM(0xD6) },
4828 	{ USB_DEVICE_WACOM(0xD7) },
4829 	{ USB_DEVICE_WACOM(0xD8) },
4830 	{ USB_DEVICE_WACOM(0xDA) },
4831 	{ USB_DEVICE_WACOM(0xDB) },
4832 	{ USB_DEVICE_WACOM(0xDD) },
4833 	{ USB_DEVICE_WACOM(0xDE) },
4834 	{ USB_DEVICE_WACOM(0xDF) },
4835 	{ USB_DEVICE_WACOM(0xE2) },
4836 	{ USB_DEVICE_WACOM(0xE3) },
4837 	{ USB_DEVICE_WACOM(0xE5) },
4838 	{ USB_DEVICE_WACOM(0xE6) },
4839 	{ USB_DEVICE_WACOM(0xEC) },
4840 	{ USB_DEVICE_WACOM(0xED) },
4841 	{ USB_DEVICE_WACOM(0xEF) },
4842 	{ USB_DEVICE_WACOM(0xF0) },
4843 	{ USB_DEVICE_WACOM(0xF4) },
4844 	{ USB_DEVICE_WACOM(0xF6) },
4845 	{ USB_DEVICE_WACOM(0xF8) },
4846 	{ USB_DEVICE_WACOM(0xFA) },
4847 	{ USB_DEVICE_WACOM(0xFB) },
4848 	{ USB_DEVICE_WACOM(0x100) },
4849 	{ USB_DEVICE_WACOM(0x101) },
4850 	{ USB_DEVICE_WACOM(0x10D) },
4851 	{ USB_DEVICE_WACOM(0x10E) },
4852 	{ USB_DEVICE_WACOM(0x10F) },
4853 	{ USB_DEVICE_WACOM(0x116) },
4854 	{ USB_DEVICE_WACOM(0x12C) },
4855 	{ USB_DEVICE_WACOM(0x300) },
4856 	{ USB_DEVICE_WACOM(0x301) },
4857 	{ USB_DEVICE_WACOM(0x302) },
4858 	{ USB_DEVICE_WACOM(0x303) },
4859 	{ USB_DEVICE_WACOM(0x304) },
4860 	{ USB_DEVICE_WACOM(0x307) },
4861 	{ USB_DEVICE_WACOM(0x309) },
4862 	{ USB_DEVICE_WACOM(0x30A) },
4863 	{ USB_DEVICE_WACOM(0x30C) },
4864 	{ USB_DEVICE_WACOM(0x30E) },
4865 	{ USB_DEVICE_WACOM(0x314) },
4866 	{ USB_DEVICE_WACOM(0x315) },
4867 	{ USB_DEVICE_WACOM(0x317) },
4868 	{ USB_DEVICE_WACOM(0x318) },
4869 	{ USB_DEVICE_WACOM(0x319) },
4870 	{ USB_DEVICE_WACOM(0x323) },
4871 	{ USB_DEVICE_WACOM(0x325) },
4872 	{ USB_DEVICE_WACOM(0x326) },
4873 	{ USB_DEVICE_WACOM(0x32A) },
4874 	{ USB_DEVICE_WACOM(0x32B) },
4875 	{ USB_DEVICE_WACOM(0x32C) },
4876 	{ USB_DEVICE_WACOM(0x32F) },
4877 	{ USB_DEVICE_WACOM(0x331) },
4878 	{ USB_DEVICE_WACOM(0x333) },
4879 	{ USB_DEVICE_WACOM(0x335) },
4880 	{ USB_DEVICE_WACOM(0x336) },
4881 	{ USB_DEVICE_WACOM(0x33B) },
4882 	{ USB_DEVICE_WACOM(0x33C) },
4883 	{ USB_DEVICE_WACOM(0x33D) },
4884 	{ USB_DEVICE_WACOM(0x33E) },
4885 	{ USB_DEVICE_WACOM(0x343) },
4886 	{ BT_DEVICE_WACOM(0x360) },
4887 	{ BT_DEVICE_WACOM(0x361) },
4888 	{ BT_DEVICE_WACOM(0x377) },
4889 	{ BT_DEVICE_WACOM(0x379) },
4890 	{ USB_DEVICE_WACOM(0x37A) },
4891 	{ USB_DEVICE_WACOM(0x37B) },
4892 	{ BT_DEVICE_WACOM(0x393) },
4893 	{ USB_DEVICE_WACOM(0x4001) },
4894 	{ USB_DEVICE_WACOM(0x4004) },
4895 	{ USB_DEVICE_WACOM(0x5000) },
4896 	{ USB_DEVICE_WACOM(0x5002) },
4897 	{ USB_DEVICE_LENOVO(0x6004) },
4898 
4899 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
4900 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
4901 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
4902 	{ }
4903 };
4904 MODULE_DEVICE_TABLE(hid, wacom_ids);
4905