xref: /openbmc/linux/drivers/hid/wacom_wac.c (revision 8fedf805)
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 	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 				/* fall through */
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 
487 	/* pad packets. Works as a second tool and is always in prox */
488 	if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
489 	      data[0] == WACOM_REPORT_CINTIQPAD))
490 		return 0;
491 
492 	if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
493 		buttons = (data[3] << 1) | (data[2] & 0x01);
494 		ring1 = data[1];
495 	} else if (features->type == DTK) {
496 		buttons = data[6];
497 	} else if (features->type == WACOM_13HD) {
498 		buttons = (data[4] << 1) | (data[3] & 0x01);
499 	} else if (features->type == WACOM_24HD) {
500 		buttons = (data[8] << 8) | data[6];
501 		ring1 = data[1];
502 		ring2 = data[2];
503 
504 		/*
505 		 * Three "buttons" are available on the 24HD which are
506 		 * physically implemented as a touchstrip. Each button
507 		 * is approximately 3 bits wide with a 2 bit spacing.
508 		 * The raw touchstrip bits are stored at:
509 		 *    ((data[3] & 0x1f) << 8) | data[4])
510 		 */
511 		nkeys = 3;
512 		keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
513 		       ((data[4] & 0xE0) ? 1<<1 : 0) |
514 		       ((data[4] & 0x07) ? 1<<0 : 0);
515 	} else if (features->type == WACOM_27QHD) {
516 		nkeys = 3;
517 		keys = data[2] & 0x07;
518 
519 		input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
520 		input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
521 		input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
522 	} else if (features->type == CINTIQ_HYBRID) {
523 		/*
524 		 * Do not send hardware buttons under Android. They
525 		 * are already sent to the system through GPIO (and
526 		 * have different meaning).
527 		 *
528 		 * d-pad right  -> data[4] & 0x10
529 		 * d-pad up     -> data[4] & 0x20
530 		 * d-pad left   -> data[4] & 0x40
531 		 * d-pad down   -> data[4] & 0x80
532 		 * d-pad center -> data[3] & 0x01
533 		 */
534 		buttons = (data[4] << 1) | (data[3] & 0x01);
535 	} else if (features->type == CINTIQ_COMPANION_2) {
536 		/* d-pad right  -> data[2] & 0x10
537 		 * d-pad up     -> data[2] & 0x20
538 		 * d-pad left   -> data[2] & 0x40
539 		 * d-pad down   -> data[2] & 0x80
540 		 * d-pad center -> data[1] & 0x01
541 		 */
542 		buttons = ((data[2] >> 4) << 7) |
543 		          ((data[1] & 0x04) << 4) |
544 		          ((data[2] & 0x0F) << 2) |
545 		          (data[1] & 0x03);
546 	} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
547 		/*
548 		 * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
549 		 * addition to the mechanical switch. Switch data is
550 		 * stored in data[4], capacitive data in data[5].
551 		 *
552 		 * Touch ring mode switch (data[3]) has no capacitive sensor
553 		 */
554 		buttons = (data[4] << 1) | (data[3] & 0x01);
555 		ring1 = data[2];
556 	} else {
557 		if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
558 			buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
559 			          (data[6] << 1) | (data[5] & 0x01);
560 
561 			if (features->type == WACOM_22HD) {
562 				nkeys = 3;
563 				keys = data[9] & 0x07;
564 			}
565 		} else {
566 			buttons = ((data[6] & 0x10) << 5)  |
567 			          ((data[5] & 0x10) << 4)  |
568 			          ((data[6] & 0x0F) << 4)  |
569 			          (data[5] & 0x0F);
570 		}
571 		strip1 = ((data[1] & 0x1f) << 8) | data[2];
572 		strip2 = ((data[3] & 0x1f) << 8) | data[4];
573 	}
574 
575 	prox = (buttons & ~(~0 << nbuttons)) | (keys & ~(~0 << nkeys)) |
576 	       (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
577 
578 	wacom_report_numbered_buttons(input, nbuttons, buttons);
579 
580 	for (i = 0; i < nkeys; i++)
581 		input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
582 
583 	input_report_abs(input, ABS_RX, strip1);
584 	input_report_abs(input, ABS_RY, strip2);
585 
586 	input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
587 	input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
588 
589 	input_report_key(input, wacom->tool[1], prox ? 1 : 0);
590 	input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
591 
592 	input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
593 
594 	return 1;
595 }
596 
597 static int wacom_intuos_id_mangle(int tool_id)
598 {
599 	return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
600 }
601 
602 static int wacom_intuos_get_tool_type(int tool_id)
603 {
604 	int tool_type;
605 
606 	switch (tool_id) {
607 	case 0x812: /* Inking pen */
608 	case 0x801: /* Intuos3 Inking pen */
609 	case 0x12802: /* Intuos4/5 Inking Pen */
610 	case 0x012:
611 		tool_type = BTN_TOOL_PENCIL;
612 		break;
613 
614 	case 0x822: /* Pen */
615 	case 0x842:
616 	case 0x852:
617 	case 0x823: /* Intuos3 Grip Pen */
618 	case 0x813: /* Intuos3 Classic Pen */
619 	case 0x885: /* Intuos3 Marker Pen */
620 	case 0x802: /* Intuos4/5 13HD/24HD General Pen */
621 	case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
622 	case 0x8e2: /* IntuosHT2 pen */
623 	case 0x022:
624 	case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
625 	case 0x10842: /* MobileStudio Pro Pro Pen slim */
626 	case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
627 	case 0x16802: /* Cintiq 13HD Pro Pen */
628 	case 0x18802: /* DTH2242 Pen */
629 	case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
630 		tool_type = BTN_TOOL_PEN;
631 		break;
632 
633 	case 0x832: /* Stroke pen */
634 	case 0x032:
635 		tool_type = BTN_TOOL_BRUSH;
636 		break;
637 
638 	case 0x007: /* Mouse 4D and 2D */
639 	case 0x09c:
640 	case 0x094:
641 	case 0x017: /* Intuos3 2D Mouse */
642 	case 0x806: /* Intuos4 Mouse */
643 		tool_type = BTN_TOOL_MOUSE;
644 		break;
645 
646 	case 0x096: /* Lens cursor */
647 	case 0x097: /* Intuos3 Lens cursor */
648 	case 0x006: /* Intuos4 Lens cursor */
649 		tool_type = BTN_TOOL_LENS;
650 		break;
651 
652 	case 0x82a: /* Eraser */
653 	case 0x84a:
654 	case 0x85a:
655 	case 0x91a:
656 	case 0xd1a:
657 	case 0x0fa:
658 	case 0x82b: /* Intuos3 Grip Pen Eraser */
659 	case 0x81b: /* Intuos3 Classic Pen Eraser */
660 	case 0x91b: /* Intuos3 Airbrush Eraser */
661 	case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
662 	case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
663 	case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
664 	case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
665 	case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
666 	case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
667 	case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
668 	case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
669 	case 0x1880a: /* DTH2242 Eraser */
670 	case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
671 		tool_type = BTN_TOOL_RUBBER;
672 		break;
673 
674 	case 0xd12:
675 	case 0x912:
676 	case 0x112:
677 	case 0x913: /* Intuos3 Airbrush */
678 	case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
679 	case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
680 		tool_type = BTN_TOOL_AIRBRUSH;
681 		break;
682 
683 	default: /* Unknown tool */
684 		tool_type = BTN_TOOL_PEN;
685 		break;
686 	}
687 	return tool_type;
688 }
689 
690 static void wacom_exit_report(struct wacom_wac *wacom)
691 {
692 	struct input_dev *input = wacom->pen_input;
693 	struct wacom_features *features = &wacom->features;
694 	unsigned char *data = wacom->data;
695 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
696 
697 	/*
698 	 * Reset all states otherwise we lose the initial states
699 	 * when in-prox next time
700 	 */
701 	input_report_abs(input, ABS_X, 0);
702 	input_report_abs(input, ABS_Y, 0);
703 	input_report_abs(input, ABS_DISTANCE, 0);
704 	input_report_abs(input, ABS_TILT_X, 0);
705 	input_report_abs(input, ABS_TILT_Y, 0);
706 	if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
707 		input_report_key(input, BTN_LEFT, 0);
708 		input_report_key(input, BTN_MIDDLE, 0);
709 		input_report_key(input, BTN_RIGHT, 0);
710 		input_report_key(input, BTN_SIDE, 0);
711 		input_report_key(input, BTN_EXTRA, 0);
712 		input_report_abs(input, ABS_THROTTLE, 0);
713 		input_report_abs(input, ABS_RZ, 0);
714 	} else {
715 		input_report_abs(input, ABS_PRESSURE, 0);
716 		input_report_key(input, BTN_STYLUS, 0);
717 		input_report_key(input, BTN_STYLUS2, 0);
718 		input_report_key(input, BTN_TOUCH, 0);
719 		input_report_abs(input, ABS_WHEEL, 0);
720 		if (features->type >= INTUOS3S)
721 			input_report_abs(input, ABS_Z, 0);
722 	}
723 	input_report_key(input, wacom->tool[idx], 0);
724 	input_report_abs(input, ABS_MISC, 0); /* reset tool id */
725 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
726 	wacom->id[idx] = 0;
727 }
728 
729 static int wacom_intuos_inout(struct wacom_wac *wacom)
730 {
731 	struct wacom_features *features = &wacom->features;
732 	unsigned char *data = wacom->data;
733 	struct input_dev *input = wacom->pen_input;
734 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
735 
736 	if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
737 	    ((data[1] & 0xfe) == 0x20) ||    /* in range */
738 	    ((data[1] & 0xfe) == 0x80)))     /* out prox */
739 		return 0;
740 
741 	/* Enter report */
742 	if ((data[1] & 0xfc) == 0xc0) {
743 		/* serial number of the tool */
744 		wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
745 			(data[4] << 20) + (data[5] << 12) +
746 			(data[6] << 4) + (data[7] >> 4);
747 
748 		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
749 		     ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
750 
751 		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
752 
753 		wacom->shared->stylus_in_proximity = true;
754 		return 1;
755 	}
756 
757 	/* in Range */
758 	if ((data[1] & 0xfe) == 0x20) {
759 		if (features->type != INTUOSHT2)
760 			wacom->shared->stylus_in_proximity = true;
761 
762 		/* in Range while exiting */
763 		if (wacom->reporting_data) {
764 			input_report_key(input, BTN_TOUCH, 0);
765 			input_report_abs(input, ABS_PRESSURE, 0);
766 			input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
767 			return 2;
768 		}
769 		return 1;
770 	}
771 
772 	/* Exit report */
773 	if ((data[1] & 0xfe) == 0x80) {
774 		wacom->shared->stylus_in_proximity = false;
775 		wacom->reporting_data = false;
776 
777 		/* don't report exit if we don't know the ID */
778 		if (!wacom->id[idx])
779 			return 1;
780 
781 		wacom_exit_report(wacom);
782 		return 2;
783 	}
784 
785 	return 0;
786 }
787 
788 static inline bool report_touch_events(struct wacom_wac *wacom)
789 {
790 	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
791 }
792 
793 static inline bool delay_pen_events(struct wacom_wac *wacom)
794 {
795 	return (wacom->shared->touch_down && touch_arbitration);
796 }
797 
798 static int wacom_intuos_general(struct wacom_wac *wacom)
799 {
800 	struct wacom_features *features = &wacom->features;
801 	unsigned char *data = wacom->data;
802 	struct input_dev *input = wacom->pen_input;
803 	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
804 	unsigned char type = (data[1] >> 1) & 0x0F;
805 	unsigned int x, y, distance, t;
806 
807 	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
808 		data[0] != WACOM_REPORT_INTUOS_PEN)
809 		return 0;
810 
811 	if (delay_pen_events(wacom))
812 		return 1;
813 
814 	/* don't report events if we don't know the tool ID */
815 	if (!wacom->id[idx]) {
816 		/* but reschedule a read of the current tool */
817 		wacom_intuos_schedule_prox_event(wacom);
818 		return 1;
819 	}
820 
821 	/*
822 	 * don't report events for invalid data
823 	 */
824 	/* older I4 styli don't work with new Cintiqs */
825 	if ((!((wacom->id[idx] >> 16) & 0x01) &&
826 			(features->type == WACOM_21UX2)) ||
827 	    /* Only large Intuos support Lense Cursor */
828 	    (wacom->tool[idx] == BTN_TOOL_LENS &&
829 		(features->type == INTUOS3 ||
830 		 features->type == INTUOS3S ||
831 		 features->type == INTUOS4 ||
832 		 features->type == INTUOS4S ||
833 		 features->type == INTUOS5 ||
834 		 features->type == INTUOS5S ||
835 		 features->type == INTUOSPM ||
836 		 features->type == INTUOSPS)) ||
837 	   /* Cintiq doesn't send data when RDY bit isn't set */
838 	   (features->type == CINTIQ && !(data[1] & 0x40)))
839 		return 1;
840 
841 	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
842 	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
843 	distance = data[9] >> 2;
844 	if (features->type < INTUOS3S) {
845 		x >>= 1;
846 		y >>= 1;
847 		distance >>= 1;
848 	}
849 	if (features->type == INTUOSHT2)
850 		distance = features->distance_max - distance;
851 	input_report_abs(input, ABS_X, x);
852 	input_report_abs(input, ABS_Y, y);
853 	input_report_abs(input, ABS_DISTANCE, distance);
854 
855 	switch (type) {
856 	case 0x00:
857 	case 0x01:
858 	case 0x02:
859 	case 0x03:
860 		/* general pen packet */
861 		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
862 		if (features->pressure_max < 2047)
863 			t >>= 1;
864 		input_report_abs(input, ABS_PRESSURE, t);
865 		if (features->type != INTUOSHT2) {
866 		    input_report_abs(input, ABS_TILT_X,
867 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
868 		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
869 		}
870 		input_report_key(input, BTN_STYLUS, data[1] & 2);
871 		input_report_key(input, BTN_STYLUS2, data[1] & 4);
872 		input_report_key(input, BTN_TOUCH, t > 10);
873 		break;
874 
875 	case 0x0a:
876 		/* airbrush second packet */
877 		input_report_abs(input, ABS_WHEEL,
878 				(data[6] << 2) | ((data[7] >> 6) & 3));
879 		input_report_abs(input, ABS_TILT_X,
880 				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
881 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
882 		break;
883 
884 	case 0x05:
885 		/* Rotation packet */
886 		if (features->type >= INTUOS3S) {
887 			/* I3 marker pen rotation */
888 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
889 			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
890 				((t-1) / 2 + 450)) : (450 - t / 2) ;
891 			input_report_abs(input, ABS_Z, t);
892 		} else {
893 			/* 4D mouse 2nd packet */
894 			t = (data[6] << 3) | ((data[7] >> 5) & 7);
895 			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
896 				((t - 1) / 2) : -t / 2);
897 		}
898 		break;
899 
900 	case 0x04:
901 		/* 4D mouse 1st packet */
902 		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
903 		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
904 		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
905 
906 		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
907 		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
908 		t = (data[6] << 2) | ((data[7] >> 6) & 3);
909 		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
910 		break;
911 
912 	case 0x06:
913 		/* I4 mouse */
914 		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
915 		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
916 		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
917 		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
918 				 - ((data[7] & 0x40) >> 6));
919 		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
920 		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
921 
922 		input_report_abs(input, ABS_TILT_X,
923 			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
924 		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
925 		break;
926 
927 	case 0x08:
928 		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
929 			/* 2D mouse packet */
930 			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
931 			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
932 			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
933 			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
934 					 - ((data[8] & 0x02) >> 1));
935 
936 			/* I3 2D mouse side buttons */
937 			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
938 				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
939 				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
940 			}
941 		}
942 		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
943 			/* Lens cursor packets */
944 			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
945 			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
946 			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
947 			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
948 			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
949 		}
950 		break;
951 
952 	case 0x07:
953 	case 0x09:
954 	case 0x0b:
955 	case 0x0c:
956 	case 0x0d:
957 	case 0x0e:
958 	case 0x0f:
959 		/* unhandled */
960 		break;
961 	}
962 
963 	input_report_abs(input, ABS_MISC,
964 			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
965 	input_report_key(input, wacom->tool[idx], 1);
966 	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
967 	wacom->reporting_data = true;
968 	return 2;
969 }
970 
971 static int wacom_intuos_irq(struct wacom_wac *wacom)
972 {
973 	unsigned char *data = wacom->data;
974 	struct input_dev *input = wacom->pen_input;
975 	int result;
976 
977 	if (data[0] != WACOM_REPORT_PENABLED &&
978 	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
979 	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
980 	    data[0] != WACOM_REPORT_INTUOSPAD &&
981 	    data[0] != WACOM_REPORT_INTUOS_PEN &&
982 	    data[0] != WACOM_REPORT_CINTIQ &&
983 	    data[0] != WACOM_REPORT_CINTIQPAD &&
984 	    data[0] != WACOM_REPORT_INTUOS5PAD) {
985 		dev_dbg(input->dev.parent,
986 			"%s: received unknown report #%d\n", __func__, data[0]);
987                 return 0;
988 	}
989 
990 	/* process pad events */
991 	result = wacom_intuos_pad(wacom);
992 	if (result)
993 		return result;
994 
995 	/* process in/out prox events */
996 	result = wacom_intuos_inout(wacom);
997 	if (result)
998 		return result - 1;
999 
1000 	/* process general packets */
1001 	result = wacom_intuos_general(wacom);
1002 	if (result)
1003 		return result - 1;
1004 
1005 	return 0;
1006 }
1007 
1008 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1009 {
1010 	unsigned char *data = wacom_wac->data;
1011 	struct input_dev *input;
1012 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1013 	struct wacom_remote *remote = wacom->remote;
1014 	int bat_charging, bat_percent, touch_ring_mode;
1015 	__u32 serial;
1016 	int i, index = -1;
1017 	unsigned long flags;
1018 
1019 	if (data[0] != WACOM_REPORT_REMOTE) {
1020 		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1021 			__func__, data[0]);
1022 		return 0;
1023 	}
1024 
1025 	serial = data[3] + (data[4] << 8) + (data[5] << 16);
1026 	wacom_wac->id[0] = PAD_DEVICE_ID;
1027 
1028 	spin_lock_irqsave(&remote->remote_lock, flags);
1029 
1030 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1031 		if (remote->remotes[i].serial == serial) {
1032 			index = i;
1033 			break;
1034 		}
1035 	}
1036 
1037 	if (index < 0 || !remote->remotes[index].registered)
1038 		goto out;
1039 
1040 	input = remote->remotes[index].input;
1041 
1042 	input_report_key(input, BTN_0, (data[9] & 0x01));
1043 	input_report_key(input, BTN_1, (data[9] & 0x02));
1044 	input_report_key(input, BTN_2, (data[9] & 0x04));
1045 	input_report_key(input, BTN_3, (data[9] & 0x08));
1046 	input_report_key(input, BTN_4, (data[9] & 0x10));
1047 	input_report_key(input, BTN_5, (data[9] & 0x20));
1048 	input_report_key(input, BTN_6, (data[9] & 0x40));
1049 	input_report_key(input, BTN_7, (data[9] & 0x80));
1050 
1051 	input_report_key(input, BTN_8, (data[10] & 0x01));
1052 	input_report_key(input, BTN_9, (data[10] & 0x02));
1053 	input_report_key(input, BTN_A, (data[10] & 0x04));
1054 	input_report_key(input, BTN_B, (data[10] & 0x08));
1055 	input_report_key(input, BTN_C, (data[10] & 0x10));
1056 	input_report_key(input, BTN_X, (data[10] & 0x20));
1057 	input_report_key(input, BTN_Y, (data[10] & 0x40));
1058 	input_report_key(input, BTN_Z, (data[10] & 0x80));
1059 
1060 	input_report_key(input, BTN_BASE, (data[11] & 0x01));
1061 	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1062 
1063 	if (data[12] & 0x80)
1064 		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1065 	else
1066 		input_report_abs(input, ABS_WHEEL, 0);
1067 
1068 	bat_percent = data[7] & 0x7f;
1069 	bat_charging = !!(data[7] & 0x80);
1070 
1071 	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1072 		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1073 	else
1074 		input_report_abs(input, ABS_MISC, 0);
1075 
1076 	input_event(input, EV_MSC, MSC_SERIAL, serial);
1077 
1078 	input_sync(input);
1079 
1080 	/*Which mode select (LED light) is currently on?*/
1081 	touch_ring_mode = (data[11] & 0xC0) >> 6;
1082 
1083 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1084 		if (remote->remotes[i].serial == serial)
1085 			wacom->led.groups[i].select = touch_ring_mode;
1086 	}
1087 
1088 	__wacom_notify_battery(&remote->remotes[index].battery,
1089 				WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1090 				bat_charging, 1, bat_charging);
1091 
1092 out:
1093 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1094 	return 0;
1095 }
1096 
1097 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1098 {
1099 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1100 	unsigned char *data = wacom_wac->data;
1101 	struct wacom_remote *remote = wacom->remote;
1102 	struct wacom_remote_data remote_data;
1103 	unsigned long flags;
1104 	int i, ret;
1105 
1106 	if (data[0] != WACOM_REPORT_DEVICE_LIST)
1107 		return;
1108 
1109 	memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1110 
1111 	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1112 		int j = i * 6;
1113 		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1114 		bool connected = data[j+2];
1115 
1116 		remote_data.remote[i].serial = serial;
1117 		remote_data.remote[i].connected = connected;
1118 	}
1119 
1120 	spin_lock_irqsave(&remote->remote_lock, flags);
1121 
1122 	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1123 	if (ret != sizeof(remote_data)) {
1124 		spin_unlock_irqrestore(&remote->remote_lock, flags);
1125 		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1126 		return;
1127 	}
1128 
1129 	spin_unlock_irqrestore(&remote->remote_lock, flags);
1130 
1131 	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1132 }
1133 
1134 static int int_dist(int x1, int y1, int x2, int y2)
1135 {
1136 	int x = x2 - x1;
1137 	int y = y2 - y1;
1138 
1139 	return int_sqrt(x*x + y*y);
1140 }
1141 
1142 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1143 		unsigned char *data)
1144 {
1145 	memcpy(wacom->data, data, 10);
1146 	wacom_intuos_irq(wacom);
1147 
1148 	input_sync(wacom->pen_input);
1149 	if (wacom->pad_input)
1150 		input_sync(wacom->pad_input);
1151 }
1152 
1153 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1154 {
1155 	unsigned char data[WACOM_PKGLEN_MAX];
1156 	int i = 1;
1157 	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1158 
1159 	memcpy(data, wacom->data, len);
1160 
1161 	switch (data[0]) {
1162 	case 0x04:
1163 		wacom_intuos_bt_process_data(wacom, data + i);
1164 		i += 10;
1165 		/* fall through */
1166 	case 0x03:
1167 		wacom_intuos_bt_process_data(wacom, data + i);
1168 		i += 10;
1169 		wacom_intuos_bt_process_data(wacom, data + i);
1170 		i += 10;
1171 		power_raw = data[i];
1172 		bat_charging = (power_raw & 0x08) ? 1 : 0;
1173 		ps_connected = (power_raw & 0x10) ? 1 : 0;
1174 		battery_capacity = batcap_i4[power_raw & 0x07];
1175 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1176 				     battery_capacity, bat_charging,
1177 				     battery_capacity || bat_charging,
1178 				     ps_connected);
1179 		break;
1180 	default:
1181 		dev_dbg(wacom->pen_input->dev.parent,
1182 				"Unknown report: %d,%d size:%zu\n",
1183 				data[0], data[1], len);
1184 		return 0;
1185 	}
1186 	return 0;
1187 }
1188 
1189 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1190 {
1191 	struct input_dev *input = wacom->touch_input;
1192 	unsigned touch_max = wacom->features.touch_max;
1193 	int count = 0;
1194 	int i;
1195 
1196 	if (!touch_max)
1197 		return 0;
1198 
1199 	if (touch_max == 1)
1200 		return test_bit(BTN_TOUCH, input->key) &&
1201 			report_touch_events(wacom);
1202 
1203 	for (i = 0; i < input->mt->num_slots; i++) {
1204 		struct input_mt_slot *ps = &input->mt->slots[i];
1205 		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1206 		if (id >= 0)
1207 			count++;
1208 	}
1209 
1210 	return count;
1211 }
1212 
1213 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1214 {
1215 	int pen_frame_len, pen_frames;
1216 
1217 	struct input_dev *pen_input = wacom->pen_input;
1218 	unsigned char *data = wacom->data;
1219 	int i;
1220 
1221 	if (wacom->features.type == INTUOSP2_BT ||
1222 	    wacom->features.type == INTUOSP2S_BT) {
1223 		wacom->serial[0] = get_unaligned_le64(&data[99]);
1224 		wacom->id[0]     = get_unaligned_le16(&data[107]);
1225 		pen_frame_len = 14;
1226 		pen_frames = 7;
1227 	} else {
1228 		wacom->serial[0] = get_unaligned_le64(&data[33]);
1229 		wacom->id[0]     = get_unaligned_le16(&data[41]);
1230 		pen_frame_len = 8;
1231 		pen_frames = 4;
1232 	}
1233 
1234 	if (wacom->serial[0] >> 52 == 1) {
1235 		/* Add back in missing bits of ID for non-USI pens */
1236 		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1237 	}
1238 
1239 	for (i = 0; i < pen_frames; i++) {
1240 		unsigned char *frame = &data[i*pen_frame_len + 1];
1241 		bool valid = frame[0] & 0x80;
1242 		bool prox = frame[0] & 0x40;
1243 		bool range = frame[0] & 0x20;
1244 		bool invert = frame[0] & 0x10;
1245 
1246 		if (!valid)
1247 			continue;
1248 
1249 		if (!prox) {
1250 			wacom->shared->stylus_in_proximity = false;
1251 			wacom_exit_report(wacom);
1252 			input_sync(pen_input);
1253 
1254 			wacom->tool[0] = 0;
1255 			wacom->id[0] = 0;
1256 			wacom->serial[0] = 0;
1257 			return;
1258 		}
1259 
1260 		if (range) {
1261 			if (!wacom->tool[0]) { /* first in range */
1262 				/* Going into range select tool */
1263 				if (invert)
1264 					wacom->tool[0] = BTN_TOOL_RUBBER;
1265 				else if (wacom->id[0])
1266 					wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1267 				else
1268 					wacom->tool[0] = BTN_TOOL_PEN;
1269 			}
1270 
1271 			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1272 			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1273 
1274 			if (wacom->features.type == INTUOSP2_BT ||
1275 			    wacom->features.type == INTUOSP2S_BT) {
1276 				/* Fix rotation alignment: userspace expects zero at left */
1277 				int16_t rotation =
1278 					(int16_t)get_unaligned_le16(&frame[9]);
1279 				rotation += 1800/4;
1280 
1281 				if (rotation > 899)
1282 					rotation -= 1800;
1283 
1284 				input_report_abs(pen_input, ABS_TILT_X,
1285 						 (char)frame[7]);
1286 				input_report_abs(pen_input, ABS_TILT_Y,
1287 						 (char)frame[8]);
1288 				input_report_abs(pen_input, ABS_Z, rotation);
1289 				input_report_abs(pen_input, ABS_WHEEL,
1290 						 get_unaligned_le16(&frame[11]));
1291 			}
1292 		}
1293 		if (wacom->tool[0]) {
1294 			input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1295 			if (wacom->features.type == INTUOSP2_BT ||
1296 			    wacom->features.type == INTUOSP2S_BT) {
1297 				input_report_abs(pen_input, ABS_DISTANCE,
1298 						 range ? frame[13] : wacom->features.distance_max);
1299 			} else {
1300 				input_report_abs(pen_input, ABS_DISTANCE,
1301 						 range ? frame[7] : wacom->features.distance_max);
1302 			}
1303 
1304 			input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1305 			input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1306 			input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1307 
1308 			input_report_key(pen_input, wacom->tool[0], prox);
1309 			input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1310 			input_report_abs(pen_input, ABS_MISC,
1311 					 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1312 		}
1313 
1314 		wacom->shared->stylus_in_proximity = prox;
1315 
1316 		input_sync(pen_input);
1317 	}
1318 }
1319 
1320 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1321 {
1322 	const int finger_touch_len = 8;
1323 	const int finger_frames = 4;
1324 	const int finger_frame_len = 43;
1325 
1326 	struct input_dev *touch_input = wacom->touch_input;
1327 	unsigned char *data = wacom->data;
1328 	int num_contacts_left = 5;
1329 	int i, j;
1330 
1331 	for (i = 0; i < finger_frames; i++) {
1332 		unsigned char *frame = &data[i*finger_frame_len + 109];
1333 		int current_num_contacts = frame[0] & 0x7F;
1334 		int contacts_to_send;
1335 
1336 		if (!(frame[0] & 0x80))
1337 			continue;
1338 
1339 		/*
1340 		 * First packet resets the counter since only the first
1341 		 * packet in series will have non-zero current_num_contacts.
1342 		 */
1343 		if (current_num_contacts)
1344 			wacom->num_contacts_left = current_num_contacts;
1345 
1346 		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1347 
1348 		for (j = 0; j < contacts_to_send; j++) {
1349 			unsigned char *touch = &frame[j*finger_touch_len + 1];
1350 			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1351 			int x = get_unaligned_le16(&touch[2]);
1352 			int y = get_unaligned_le16(&touch[4]);
1353 			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1354 			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1355 
1356 			if (slot < 0)
1357 				continue;
1358 
1359 			input_mt_slot(touch_input, slot);
1360 			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1361 			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1362 			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1363 			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1364 			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1365 			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1366 		}
1367 
1368 		input_mt_sync_frame(touch_input);
1369 
1370 		wacom->num_contacts_left -= contacts_to_send;
1371 		if (wacom->num_contacts_left <= 0) {
1372 			wacom->num_contacts_left = 0;
1373 			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1374 			input_sync(touch_input);
1375 		}
1376 	}
1377 
1378 	if (wacom->num_contacts_left == 0) {
1379 		// Be careful that we don't accidentally call input_sync with
1380 		// only a partial set of fingers of processed
1381 		input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1382 		input_sync(touch_input);
1383 	}
1384 
1385 }
1386 
1387 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1388 {
1389 	struct input_dev *pad_input = wacom->pad_input;
1390 	unsigned char *data = wacom->data;
1391 
1392 	int buttons = data[282] | ((data[281] & 0x40) << 2);
1393 	int ring = data[285] & 0x7F;
1394 	bool ringstatus = data[285] & 0x80;
1395 	bool prox = buttons || ringstatus;
1396 
1397 	/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1398 	ring = 71 - ring;
1399 	ring += 3*72/16;
1400 	if (ring > 71)
1401 		ring -= 72;
1402 
1403 	wacom_report_numbered_buttons(pad_input, 9, buttons);
1404 
1405 	input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1406 
1407 	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1408 	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1409 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1410 
1411 	input_sync(pad_input);
1412 }
1413 
1414 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1415 {
1416 	unsigned char *data = wacom->data;
1417 
1418 	bool chg = data[284] & 0x80;
1419 	int battery_status = data[284] & 0x7F;
1420 
1421 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1422 			     battery_status, chg, 1, chg);
1423 }
1424 
1425 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1426 {
1427 	struct input_dev *pad_input = wacom->pad_input;
1428 	unsigned char *data = wacom->data;
1429 
1430 	int buttons = data[44];
1431 
1432 	wacom_report_numbered_buttons(pad_input, 4, buttons);
1433 
1434 	input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1435 	input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1436 	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1437 
1438 	input_sync(pad_input);
1439 }
1440 
1441 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1442 {
1443 	unsigned char *data = wacom->data;
1444 
1445 	bool chg = data[45] & 0x80;
1446 	int battery_status = data[45] & 0x7F;
1447 
1448 	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1449 			     battery_status, chg, 1, chg);
1450 }
1451 
1452 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1453 {
1454 	unsigned char *data = wacom->data;
1455 
1456 	if (data[0] != 0x80 && data[0] != 0x81) {
1457 		dev_dbg(wacom->pen_input->dev.parent,
1458 			"%s: received unknown report #%d\n", __func__, data[0]);
1459 		return 0;
1460 	}
1461 
1462 	wacom_intuos_pro2_bt_pen(wacom);
1463 	if (wacom->features.type == INTUOSP2_BT ||
1464 	    wacom->features.type == INTUOSP2S_BT) {
1465 		wacom_intuos_pro2_bt_touch(wacom);
1466 		wacom_intuos_pro2_bt_pad(wacom);
1467 		wacom_intuos_pro2_bt_battery(wacom);
1468 	} else {
1469 		wacom_intuos_gen3_bt_pad(wacom);
1470 		wacom_intuos_gen3_bt_battery(wacom);
1471 	}
1472 	return 0;
1473 }
1474 
1475 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1476 {
1477 	struct input_dev *input = wacom->touch_input;
1478 	unsigned char *data = wacom->data;
1479 	int i;
1480 	int current_num_contacts = data[61];
1481 	int contacts_to_send = 0;
1482 	int num_contacts_left = 4; /* maximum contacts per packet */
1483 	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1484 	int y_offset = 2;
1485 
1486 	if (wacom->features.type == WACOM_27QHDT) {
1487 		current_num_contacts = data[63];
1488 		num_contacts_left = 10;
1489 		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1490 		y_offset = 0;
1491 	}
1492 
1493 	/*
1494 	 * First packet resets the counter since only the first
1495 	 * packet in series will have non-zero current_num_contacts.
1496 	 */
1497 	if (current_num_contacts)
1498 		wacom->num_contacts_left = current_num_contacts;
1499 
1500 	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1501 
1502 	for (i = 0; i < contacts_to_send; i++) {
1503 		int offset = (byte_per_packet * i) + 1;
1504 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1505 		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1506 
1507 		if (slot < 0)
1508 			continue;
1509 		input_mt_slot(input, slot);
1510 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1511 
1512 		if (touch) {
1513 			int t_x = get_unaligned_le16(&data[offset + 2]);
1514 			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1515 
1516 			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1517 			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1518 
1519 			if (wacom->features.type != WACOM_27QHDT) {
1520 				int c_x = get_unaligned_le16(&data[offset + 4]);
1521 				int c_y = get_unaligned_le16(&data[offset + 8]);
1522 				int w = get_unaligned_le16(&data[offset + 10]);
1523 				int h = get_unaligned_le16(&data[offset + 12]);
1524 
1525 				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1526 				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1527 						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1528 				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1529 				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1530 			}
1531 		}
1532 	}
1533 	input_mt_sync_frame(input);
1534 
1535 	wacom->num_contacts_left -= contacts_to_send;
1536 	if (wacom->num_contacts_left <= 0) {
1537 		wacom->num_contacts_left = 0;
1538 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1539 	}
1540 	return 1;
1541 }
1542 
1543 static int wacom_mt_touch(struct wacom_wac *wacom)
1544 {
1545 	struct input_dev *input = wacom->touch_input;
1546 	unsigned char *data = wacom->data;
1547 	int i;
1548 	int current_num_contacts = data[2];
1549 	int contacts_to_send = 0;
1550 	int x_offset = 0;
1551 
1552 	/* MTTPC does not support Height and Width */
1553 	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1554 		x_offset = -4;
1555 
1556 	/*
1557 	 * First packet resets the counter since only the first
1558 	 * packet in series will have non-zero current_num_contacts.
1559 	 */
1560 	if (current_num_contacts)
1561 		wacom->num_contacts_left = current_num_contacts;
1562 
1563 	/* There are at most 5 contacts per packet */
1564 	contacts_to_send = min(5, wacom->num_contacts_left);
1565 
1566 	for (i = 0; i < contacts_to_send; i++) {
1567 		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1568 		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1569 		int id = get_unaligned_le16(&data[offset + 1]);
1570 		int slot = input_mt_get_slot_by_key(input, id);
1571 
1572 		if (slot < 0)
1573 			continue;
1574 
1575 		input_mt_slot(input, slot);
1576 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1577 		if (touch) {
1578 			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1579 			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1580 			input_report_abs(input, ABS_MT_POSITION_X, x);
1581 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1582 		}
1583 	}
1584 	input_mt_sync_frame(input);
1585 
1586 	wacom->num_contacts_left -= contacts_to_send;
1587 	if (wacom->num_contacts_left <= 0) {
1588 		wacom->num_contacts_left = 0;
1589 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1590 	}
1591 	return 1;
1592 }
1593 
1594 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1595 {
1596 	struct input_dev *input = wacom->touch_input;
1597 	unsigned char *data = wacom->data;
1598 	int i;
1599 
1600 	for (i = 0; i < 2; i++) {
1601 		int p = data[1] & (1 << i);
1602 		bool touch = p && report_touch_events(wacom);
1603 
1604 		input_mt_slot(input, i);
1605 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1606 		if (touch) {
1607 			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1608 			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1609 
1610 			input_report_abs(input, ABS_MT_POSITION_X, x);
1611 			input_report_abs(input, ABS_MT_POSITION_Y, y);
1612 		}
1613 	}
1614 	input_mt_sync_frame(input);
1615 
1616 	/* keep touch state for pen event */
1617 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1618 
1619 	return 1;
1620 }
1621 
1622 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1623 {
1624 	unsigned char *data = wacom->data;
1625 	struct input_dev *input = wacom->touch_input;
1626 	bool prox = report_touch_events(wacom);
1627 	int x = 0, y = 0;
1628 
1629 	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1630 		return 0;
1631 
1632 	if (len == WACOM_PKGLEN_TPC1FG) {
1633 		prox = prox && (data[0] & 0x01);
1634 		x = get_unaligned_le16(&data[1]);
1635 		y = get_unaligned_le16(&data[3]);
1636 	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1637 		prox = prox && (data[2] & 0x01);
1638 		x = get_unaligned_le16(&data[3]);
1639 		y = get_unaligned_le16(&data[5]);
1640 	} else {
1641 		prox = prox && (data[1] & 0x01);
1642 		x = le16_to_cpup((__le16 *)&data[2]);
1643 		y = le16_to_cpup((__le16 *)&data[4]);
1644 	}
1645 
1646 	if (prox) {
1647 		input_report_abs(input, ABS_X, x);
1648 		input_report_abs(input, ABS_Y, y);
1649 	}
1650 	input_report_key(input, BTN_TOUCH, prox);
1651 
1652 	/* keep touch state for pen events */
1653 	wacom->shared->touch_down = prox;
1654 
1655 	return 1;
1656 }
1657 
1658 static int wacom_tpc_pen(struct wacom_wac *wacom)
1659 {
1660 	unsigned char *data = wacom->data;
1661 	struct input_dev *input = wacom->pen_input;
1662 	bool prox = data[1] & 0x20;
1663 
1664 	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1665 		/* Going into proximity select tool */
1666 		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1667 
1668 	/* keep pen state for touch events */
1669 	wacom->shared->stylus_in_proximity = prox;
1670 
1671 	/* send pen events only when touch is up or forced out
1672 	 * or touch arbitration is off
1673 	 */
1674 	if (!delay_pen_events(wacom)) {
1675 		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1676 		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1677 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1678 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1679 		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1680 		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1681 		input_report_key(input, wacom->tool[0], prox);
1682 		return 1;
1683 	}
1684 
1685 	return 0;
1686 }
1687 
1688 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1689 {
1690 	unsigned char *data = wacom->data;
1691 
1692 	if (wacom->pen_input) {
1693 		dev_dbg(wacom->pen_input->dev.parent,
1694 			"%s: received report #%d\n", __func__, data[0]);
1695 
1696 		if (len == WACOM_PKGLEN_PENABLED ||
1697 		    data[0] == WACOM_REPORT_PENABLED)
1698 			return wacom_tpc_pen(wacom);
1699 	}
1700 	else if (wacom->touch_input) {
1701 		dev_dbg(wacom->touch_input->dev.parent,
1702 			"%s: received report #%d\n", __func__, data[0]);
1703 
1704 		switch (len) {
1705 		case WACOM_PKGLEN_TPC1FG:
1706 			return wacom_tpc_single_touch(wacom, len);
1707 
1708 		case WACOM_PKGLEN_TPC2FG:
1709 			return wacom_tpc_mt_touch(wacom);
1710 
1711 		default:
1712 			switch (data[0]) {
1713 			case WACOM_REPORT_TPC1FG:
1714 			case WACOM_REPORT_TPCHID:
1715 			case WACOM_REPORT_TPCST:
1716 			case WACOM_REPORT_TPC1FGE:
1717 				return wacom_tpc_single_touch(wacom, len);
1718 
1719 			case WACOM_REPORT_TPCMT:
1720 			case WACOM_REPORT_TPCMT2:
1721 				return wacom_mt_touch(wacom);
1722 
1723 			}
1724 		}
1725 	}
1726 
1727 	return 0;
1728 }
1729 
1730 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1731 				 int value, int num, int denom)
1732 {
1733 	struct input_absinfo *abs = &input->absinfo[usage->code];
1734 	int range = (abs->maximum - abs->minimum + 1);
1735 
1736 	value += num*range/denom;
1737 	if (value > abs->maximum)
1738 		value -= range;
1739 	else if (value < abs->minimum)
1740 		value += range;
1741 	return value;
1742 }
1743 
1744 int wacom_equivalent_usage(int usage)
1745 {
1746 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1747 		int subpage = (usage & 0xFF00) << 8;
1748 		int subusage = (usage & 0xFF);
1749 
1750 		if (subpage == WACOM_HID_SP_PAD ||
1751 		    subpage == WACOM_HID_SP_BUTTON ||
1752 		    subpage == WACOM_HID_SP_DIGITIZER ||
1753 		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1754 		    usage == WACOM_HID_WD_SENSE ||
1755 		    usage == WACOM_HID_WD_SERIALHI ||
1756 		    usage == WACOM_HID_WD_TOOLTYPE ||
1757 		    usage == WACOM_HID_WD_DISTANCE ||
1758 		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1759 		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1760 		    usage == WACOM_HID_WD_TOUCHRING ||
1761 		    usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1762 		    usage == WACOM_HID_WD_REPORT_VALID) {
1763 			return usage;
1764 		}
1765 
1766 		if (subpage == HID_UP_UNDEFINED)
1767 			subpage = HID_UP_DIGITIZER;
1768 
1769 		return subpage | subusage;
1770 	}
1771 
1772 	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1773 		int subpage = (usage & 0xFF00) << 8;
1774 		int subusage = (usage & 0xFF);
1775 
1776 		if (usage == WACOM_HID_WT_REPORT_VALID)
1777 			return usage;
1778 
1779 		if (subpage == HID_UP_UNDEFINED)
1780 			subpage = WACOM_HID_SP_DIGITIZER;
1781 
1782 		return subpage | subusage;
1783 	}
1784 
1785 	return usage;
1786 }
1787 
1788 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1789 		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1790 {
1791 	struct wacom *wacom = input_get_drvdata(input);
1792 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1793 	struct wacom_features *features = &wacom_wac->features;
1794 	int fmin = field->logical_minimum;
1795 	int fmax = field->logical_maximum;
1796 	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1797 	int resolution_code = code;
1798 
1799 	if (equivalent_usage == HID_DG_TWIST) {
1800 		resolution_code = ABS_RZ;
1801 	}
1802 
1803 	if (equivalent_usage == HID_GD_X) {
1804 		fmin += features->offset_left;
1805 		fmax -= features->offset_right;
1806 	}
1807 	if (equivalent_usage == HID_GD_Y) {
1808 		fmin += features->offset_top;
1809 		fmax -= features->offset_bottom;
1810 	}
1811 
1812 	usage->type = type;
1813 	usage->code = code;
1814 
1815 	set_bit(type, input->evbit);
1816 
1817 	switch (type) {
1818 	case EV_ABS:
1819 		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1820 		input_abs_set_res(input, code,
1821 				  hidinput_calc_abs_res(field, resolution_code));
1822 		break;
1823 	case EV_KEY:
1824 		input_set_capability(input, EV_KEY, code);
1825 		break;
1826 	case EV_MSC:
1827 		input_set_capability(input, EV_MSC, code);
1828 		break;
1829 	case EV_SW:
1830 		input_set_capability(input, EV_SW, code);
1831 		break;
1832 	}
1833 }
1834 
1835 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1836 		struct hid_field *field, struct hid_usage *usage)
1837 {
1838 	struct wacom *wacom = hid_get_drvdata(hdev);
1839 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1840 	struct wacom_features *features = &wacom_wac->features;
1841 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1842 
1843 	switch (equivalent_usage) {
1844 	case HID_DG_BATTERYSTRENGTH:
1845 	case WACOM_HID_WD_BATTERY_LEVEL:
1846 	case WACOM_HID_WD_BATTERY_CHARGING:
1847 		features->quirks |= WACOM_QUIRK_BATTERY;
1848 		break;
1849 	}
1850 }
1851 
1852 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1853 		struct hid_usage *usage, __s32 value)
1854 {
1855 	struct wacom *wacom = hid_get_drvdata(hdev);
1856 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1857 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1858 
1859 	switch (equivalent_usage) {
1860 	case HID_DG_BATTERYSTRENGTH:
1861 		if (value == 0) {
1862 			wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1863 		}
1864 		else {
1865 			value = value * 100 / (field->logical_maximum - field->logical_minimum);
1866 			wacom_wac->hid_data.battery_capacity = value;
1867 			wacom_wac->hid_data.bat_connected = 1;
1868 			wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1869 		}
1870 		break;
1871 	case WACOM_HID_WD_BATTERY_LEVEL:
1872 		value = value * 100 / (field->logical_maximum - field->logical_minimum);
1873 		wacom_wac->hid_data.battery_capacity = value;
1874 		wacom_wac->hid_data.bat_connected = 1;
1875 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1876 		break;
1877 	case WACOM_HID_WD_BATTERY_CHARGING:
1878 		wacom_wac->hid_data.bat_charging = value;
1879 		wacom_wac->hid_data.ps_connected = value;
1880 		wacom_wac->hid_data.bat_connected = 1;
1881 		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1882 		break;
1883 	}
1884 }
1885 
1886 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1887 		struct hid_report *report)
1888 {
1889 	return;
1890 }
1891 
1892 static void wacom_wac_battery_report(struct hid_device *hdev,
1893 		struct hid_report *report)
1894 {
1895 	struct wacom *wacom = hid_get_drvdata(hdev);
1896 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1897 	struct wacom_features *features = &wacom_wac->features;
1898 
1899 	if (features->quirks & WACOM_QUIRK_BATTERY) {
1900 		int status = wacom_wac->hid_data.bat_status;
1901 		int capacity = wacom_wac->hid_data.battery_capacity;
1902 		bool charging = wacom_wac->hid_data.bat_charging;
1903 		bool connected = wacom_wac->hid_data.bat_connected;
1904 		bool powered = wacom_wac->hid_data.ps_connected;
1905 
1906 		wacom_notify_battery(wacom_wac, status, capacity, charging,
1907 				     connected, powered);
1908 	}
1909 }
1910 
1911 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1912 		struct hid_field *field, struct hid_usage *usage)
1913 {
1914 	struct wacom *wacom = hid_get_drvdata(hdev);
1915 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1916 	struct wacom_features *features = &wacom_wac->features;
1917 	struct input_dev *input = wacom_wac->pad_input;
1918 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1919 
1920 	switch (equivalent_usage) {
1921 	case WACOM_HID_WD_ACCELEROMETER_X:
1922 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1923 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1924 		features->device_type |= WACOM_DEVICETYPE_PAD;
1925 		break;
1926 	case WACOM_HID_WD_ACCELEROMETER_Y:
1927 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1928 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1929 		features->device_type |= WACOM_DEVICETYPE_PAD;
1930 		break;
1931 	case WACOM_HID_WD_ACCELEROMETER_Z:
1932 		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1933 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1934 		features->device_type |= WACOM_DEVICETYPE_PAD;
1935 		break;
1936 	case WACOM_HID_WD_BUTTONCENTER:
1937 	case WACOM_HID_WD_BUTTONHOME:
1938 	case WACOM_HID_WD_BUTTONUP:
1939 	case WACOM_HID_WD_BUTTONDOWN:
1940 	case WACOM_HID_WD_BUTTONLEFT:
1941 	case WACOM_HID_WD_BUTTONRIGHT:
1942 		wacom_map_usage(input, usage, field, EV_KEY,
1943 				wacom_numbered_button_to_key(features->numbered_buttons),
1944 				0);
1945 		features->numbered_buttons++;
1946 		features->device_type |= WACOM_DEVICETYPE_PAD;
1947 		break;
1948 	case WACOM_HID_WD_TOUCHONOFF:
1949 	case WACOM_HID_WD_MUTE_DEVICE:
1950 		/*
1951 		 * This usage, which is used to mute touch events, comes
1952 		 * from the pad packet, but is reported on the touch
1953 		 * interface. Because the touch interface may not have
1954 		 * been created yet, we cannot call wacom_map_usage(). In
1955 		 * order to process this usage when we receive it, we set
1956 		 * the usage type and code directly.
1957 		 */
1958 		wacom_wac->has_mute_touch_switch = true;
1959 		usage->type = EV_SW;
1960 		usage->code = SW_MUTE_DEVICE;
1961 		features->device_type |= WACOM_DEVICETYPE_PAD;
1962 		break;
1963 	case WACOM_HID_WD_TOUCHSTRIP:
1964 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
1965 		features->device_type |= WACOM_DEVICETYPE_PAD;
1966 		break;
1967 	case WACOM_HID_WD_TOUCHSTRIP2:
1968 		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
1969 		features->device_type |= WACOM_DEVICETYPE_PAD;
1970 		break;
1971 	case WACOM_HID_WD_TOUCHRING:
1972 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
1973 		features->device_type |= WACOM_DEVICETYPE_PAD;
1974 		break;
1975 	case WACOM_HID_WD_TOUCHRINGSTATUS:
1976 		/*
1977 		 * Only set up type/code association. Completely mapping
1978 		 * this usage may overwrite the axis resolution and range.
1979 		 */
1980 		usage->type = EV_ABS;
1981 		usage->code = ABS_WHEEL;
1982 		set_bit(EV_ABS, input->evbit);
1983 		features->device_type |= WACOM_DEVICETYPE_PAD;
1984 		break;
1985 	case WACOM_HID_WD_BUTTONCONFIG:
1986 		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
1987 		features->device_type |= WACOM_DEVICETYPE_PAD;
1988 		break;
1989 	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
1990 		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
1991 		features->device_type |= WACOM_DEVICETYPE_PAD;
1992 		break;
1993 	case WACOM_HID_WD_CONTROLPANEL:
1994 		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
1995 		features->device_type |= WACOM_DEVICETYPE_PAD;
1996 		break;
1997 	case WACOM_HID_WD_MODE_CHANGE:
1998 		/* do not overwrite previous data */
1999 		if (!wacom_wac->has_mode_change) {
2000 			wacom_wac->has_mode_change = true;
2001 			wacom_wac->is_direct_mode = true;
2002 		}
2003 		features->device_type |= WACOM_DEVICETYPE_PAD;
2004 		break;
2005 	}
2006 
2007 	switch (equivalent_usage & 0xfffffff0) {
2008 	case WACOM_HID_WD_EXPRESSKEY00:
2009 		wacom_map_usage(input, usage, field, EV_KEY,
2010 				wacom_numbered_button_to_key(features->numbered_buttons),
2011 				0);
2012 		features->numbered_buttons++;
2013 		features->device_type |= WACOM_DEVICETYPE_PAD;
2014 		break;
2015 	}
2016 }
2017 
2018 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2019 		struct hid_usage *usage, __s32 value)
2020 {
2021 	struct wacom *wacom = hid_get_drvdata(hdev);
2022 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2023 	struct input_dev *input = wacom_wac->pad_input;
2024 	struct wacom_features *features = &wacom_wac->features;
2025 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2026 	int i;
2027 	bool do_report = false;
2028 
2029 	/*
2030 	 * Avoid reporting this event and setting inrange_state if this usage
2031 	 * hasn't been mapped.
2032 	 */
2033 	if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2034 		return;
2035 
2036 	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2037 		if (usage->hid != WACOM_HID_WD_TOUCHRING)
2038 			wacom_wac->hid_data.inrange_state |= value;
2039 	}
2040 
2041 	switch (equivalent_usage) {
2042 	case WACOM_HID_WD_TOUCHRING:
2043 		/*
2044 		 * Userspace expects touchrings to increase in value with
2045 		 * clockwise gestures and have their zero point at the
2046 		 * tablet's left. HID events "should" be clockwise-
2047 		 * increasing and zero at top, though the MobileStudio
2048 		 * Pro and 2nd-gen Intuos Pro don't do this...
2049 		 */
2050 		if (hdev->vendor == 0x56a &&
2051 		    (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2052 		     hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2053 		     hdev->product == 0x392 ||				  /* Intuos Pro 2 */
2054 		     hdev->product == 0x399)) {				  /* MobileStudio Pro */
2055 			value = (field->logical_maximum - value);
2056 
2057 			if (hdev->product == 0x357 || hdev->product == 0x358 ||
2058 			    hdev->product == 0x392)
2059 				value = wacom_offset_rotation(input, usage, value, 3, 16);
2060 			else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2061 				 hdev->product == 0x399)
2062 				value = wacom_offset_rotation(input, usage, value, 1, 2);
2063 		}
2064 		else {
2065 			value = wacom_offset_rotation(input, usage, value, 1, 4);
2066 		}
2067 		do_report = true;
2068 		break;
2069 	case WACOM_HID_WD_TOUCHRINGSTATUS:
2070 		if (!value)
2071 			input_event(input, usage->type, usage->code, 0);
2072 		break;
2073 
2074 	case WACOM_HID_WD_MUTE_DEVICE:
2075 	case WACOM_HID_WD_TOUCHONOFF:
2076 		if (wacom_wac->shared->touch_input) {
2077 			bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2078 
2079 			if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2080 				*is_touch_on = !(*is_touch_on);
2081 			else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2082 				*is_touch_on = value;
2083 
2084 			input_report_switch(wacom_wac->shared->touch_input,
2085 					    SW_MUTE_DEVICE, !(*is_touch_on));
2086 			input_sync(wacom_wac->shared->touch_input);
2087 		}
2088 		break;
2089 
2090 	case WACOM_HID_WD_MODE_CHANGE:
2091 		if (wacom_wac->is_direct_mode != value) {
2092 			wacom_wac->is_direct_mode = value;
2093 			wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2094 		}
2095 		break;
2096 
2097 	case WACOM_HID_WD_BUTTONCENTER:
2098 		for (i = 0; i < wacom->led.count; i++)
2099 			wacom_update_led(wacom, features->numbered_buttons,
2100 					 value, i);
2101 		 /* fall through*/
2102 	default:
2103 		do_report = true;
2104 		break;
2105 	}
2106 
2107 	if (do_report) {
2108 		input_event(input, usage->type, usage->code, value);
2109 		if (value)
2110 			wacom_wac->hid_data.pad_input_event_flag = true;
2111 	}
2112 }
2113 
2114 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2115 		struct hid_report *report)
2116 {
2117 	struct wacom *wacom = hid_get_drvdata(hdev);
2118 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2119 
2120 	wacom_wac->hid_data.inrange_state = 0;
2121 }
2122 
2123 static void wacom_wac_pad_report(struct hid_device *hdev,
2124 		struct hid_report *report, struct hid_field *field)
2125 {
2126 	struct wacom *wacom = hid_get_drvdata(hdev);
2127 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2128 	struct input_dev *input = wacom_wac->pad_input;
2129 	bool active = wacom_wac->hid_data.inrange_state != 0;
2130 
2131 	/* report prox for expresskey events */
2132 	if (wacom_wac->hid_data.pad_input_event_flag) {
2133 		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2134 		input_sync(input);
2135 		if (!active)
2136 			wacom_wac->hid_data.pad_input_event_flag = false;
2137 	}
2138 }
2139 
2140 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2141 		struct hid_field *field, struct hid_usage *usage)
2142 {
2143 	struct wacom *wacom = hid_get_drvdata(hdev);
2144 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2145 	struct wacom_features *features = &wacom_wac->features;
2146 	struct input_dev *input = wacom_wac->pen_input;
2147 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2148 
2149 	switch (equivalent_usage) {
2150 	case HID_GD_X:
2151 		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2152 		break;
2153 	case HID_GD_Y:
2154 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2155 		break;
2156 	case WACOM_HID_WD_DISTANCE:
2157 	case HID_GD_Z:
2158 		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2159 		break;
2160 	case HID_DG_TIPPRESSURE:
2161 		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2162 		break;
2163 	case HID_DG_INRANGE:
2164 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2165 		break;
2166 	case HID_DG_INVERT:
2167 		wacom_map_usage(input, usage, field, EV_KEY,
2168 				BTN_TOOL_RUBBER, 0);
2169 		break;
2170 	case HID_DG_TILT_X:
2171 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2172 		break;
2173 	case HID_DG_TILT_Y:
2174 		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2175 		break;
2176 	case HID_DG_TWIST:
2177 		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2178 		break;
2179 	case HID_DG_ERASER:
2180 	case HID_DG_TIPSWITCH:
2181 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2182 		break;
2183 	case HID_DG_BARRELSWITCH:
2184 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2185 		break;
2186 	case HID_DG_BARRELSWITCH2:
2187 		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2188 		break;
2189 	case HID_DG_TOOLSERIALNUMBER:
2190 		features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2191 		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2192 		break;
2193 	case WACOM_HID_WD_SENSE:
2194 		features->quirks |= WACOM_QUIRK_SENSE;
2195 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2196 		break;
2197 	case WACOM_HID_WD_SERIALHI:
2198 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2199 
2200 		if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2201 			set_bit(EV_KEY, input->evbit);
2202 			input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2203 			input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2204 			input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2205 			input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2206 			input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2207 			if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2208 				input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2209 				input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2210 			}
2211 		}
2212 		break;
2213 	case WACOM_HID_WD_FINGERWHEEL:
2214 		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2215 		break;
2216 	}
2217 }
2218 
2219 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2220 		struct hid_usage *usage, __s32 value)
2221 {
2222 	struct wacom *wacom = hid_get_drvdata(hdev);
2223 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2224 	struct wacom_features *features = &wacom_wac->features;
2225 	struct input_dev *input = wacom_wac->pen_input;
2226 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2227 
2228 	if (wacom_wac->is_invalid_bt_frame)
2229 		return;
2230 
2231 	switch (equivalent_usage) {
2232 	case HID_GD_Z:
2233 		/*
2234 		 * HID_GD_Z "should increase as the control's position is
2235 		 * moved from high to low", while ABS_DISTANCE instead
2236 		 * increases in value as the tool moves from low to high.
2237 		 */
2238 		value = field->logical_maximum - value;
2239 		break;
2240 	case HID_DG_INRANGE:
2241 		wacom_wac->hid_data.inrange_state = value;
2242 		if (!(features->quirks & WACOM_QUIRK_SENSE))
2243 			wacom_wac->hid_data.sense_state = value;
2244 		return;
2245 	case HID_DG_INVERT:
2246 		wacom_wac->hid_data.invert_state = value;
2247 		return;
2248 	case HID_DG_ERASER:
2249 	case HID_DG_TIPSWITCH:
2250 		wacom_wac->hid_data.tipswitch |= value;
2251 		return;
2252 	case HID_DG_BARRELSWITCH:
2253 		wacom_wac->hid_data.barrelswitch = value;
2254 		return;
2255 	case HID_DG_BARRELSWITCH2:
2256 		wacom_wac->hid_data.barrelswitch2 = value;
2257 		return;
2258 	case HID_DG_TOOLSERIALNUMBER:
2259 		if (value) {
2260 			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2261 			wacom_wac->serial[0] |= (__u32)value;
2262 		}
2263 		return;
2264 	case HID_DG_TWIST:
2265 		/*
2266 		 * Userspace expects pen twist to have its zero point when
2267 		 * the buttons/finger is on the tablet's left. HID values
2268 		 * are zero when buttons are toward the top.
2269 		 */
2270 		value = wacom_offset_rotation(input, usage, value, 1, 4);
2271 		break;
2272 	case WACOM_HID_WD_SENSE:
2273 		wacom_wac->hid_data.sense_state = value;
2274 		return;
2275 	case WACOM_HID_WD_SERIALHI:
2276 		if (value) {
2277 			wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2278 			wacom_wac->serial[0] |= ((__u64)value) << 32;
2279 			/*
2280 			 * Non-USI EMR devices may contain additional tool type
2281 			 * information here. See WACOM_HID_WD_TOOLTYPE case for
2282 			 * more details.
2283 			 */
2284 			if (value >> 20 == 1) {
2285 				wacom_wac->id[0] |= value & 0xFFFFF;
2286 			}
2287 		}
2288 		return;
2289 	case WACOM_HID_WD_TOOLTYPE:
2290 		/*
2291 		 * Some devices (MobileStudio Pro, and possibly later
2292 		 * devices as well) do not return the complete tool
2293 		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2294 		 * bitwise OR so the complete value can be built
2295 		 * up over time :(
2296 		 */
2297 		wacom_wac->id[0] |= value;
2298 		return;
2299 	case WACOM_HID_WD_OFFSETLEFT:
2300 		if (features->offset_left && value != features->offset_left)
2301 			hid_warn(hdev, "%s: overriding existing left offset "
2302 				 "%d -> %d\n", __func__, value,
2303 				 features->offset_left);
2304 		features->offset_left = value;
2305 		return;
2306 	case WACOM_HID_WD_OFFSETRIGHT:
2307 		if (features->offset_right && value != features->offset_right)
2308 			hid_warn(hdev, "%s: overriding existing right offset "
2309 				 "%d -> %d\n", __func__, value,
2310 				 features->offset_right);
2311 		features->offset_right = value;
2312 		return;
2313 	case WACOM_HID_WD_OFFSETTOP:
2314 		if (features->offset_top && value != features->offset_top)
2315 			hid_warn(hdev, "%s: overriding existing top offset "
2316 				 "%d -> %d\n", __func__, value,
2317 				 features->offset_top);
2318 		features->offset_top = value;
2319 		return;
2320 	case WACOM_HID_WD_OFFSETBOTTOM:
2321 		if (features->offset_bottom && value != features->offset_bottom)
2322 			hid_warn(hdev, "%s: overriding existing bottom offset "
2323 				 "%d -> %d\n", __func__, value,
2324 				 features->offset_bottom);
2325 		features->offset_bottom = value;
2326 		return;
2327 	case WACOM_HID_WD_REPORT_VALID:
2328 		wacom_wac->is_invalid_bt_frame = !value;
2329 		return;
2330 	}
2331 
2332 	/* send pen events only when touch is up or forced out
2333 	 * or touch arbitration is off
2334 	 */
2335 	if (!usage->type || delay_pen_events(wacom_wac))
2336 		return;
2337 
2338 	/* send pen events only when the pen is in range */
2339 	if (wacom_wac->hid_data.inrange_state)
2340 		input_event(input, usage->type, usage->code, value);
2341 	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2342 		input_event(input, usage->type, usage->code, 0);
2343 }
2344 
2345 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2346 		struct hid_report *report)
2347 {
2348 	struct wacom *wacom = hid_get_drvdata(hdev);
2349 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2350 
2351 	wacom_wac->is_invalid_bt_frame = false;
2352 	return;
2353 }
2354 
2355 static void wacom_wac_pen_report(struct hid_device *hdev,
2356 		struct hid_report *report)
2357 {
2358 	struct wacom *wacom = hid_get_drvdata(hdev);
2359 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2360 	struct input_dev *input = wacom_wac->pen_input;
2361 	bool range = wacom_wac->hid_data.inrange_state;
2362 	bool sense = wacom_wac->hid_data.sense_state;
2363 
2364 	if (wacom_wac->is_invalid_bt_frame)
2365 		return;
2366 
2367 	if (!wacom_wac->tool[0] && range) { /* first in range */
2368 		/* Going into range select tool */
2369 		if (wacom_wac->hid_data.invert_state)
2370 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2371 		else if (wacom_wac->id[0])
2372 			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2373 		else
2374 			wacom_wac->tool[0] = BTN_TOOL_PEN;
2375 	}
2376 
2377 	/* keep pen state for touch events */
2378 	wacom_wac->shared->stylus_in_proximity = sense;
2379 
2380 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2381 		int id = wacom_wac->id[0];
2382 		int sw_state = wacom_wac->hid_data.barrelswitch |
2383 			       (wacom_wac->hid_data.barrelswitch2 << 1);
2384 
2385 		input_report_key(input, BTN_STYLUS, sw_state == 1);
2386 		input_report_key(input, BTN_STYLUS2, sw_state == 2);
2387 		input_report_key(input, BTN_STYLUS3, sw_state == 3);
2388 
2389 		/*
2390 		 * Non-USI EMR tools should have their IDs mangled to
2391 		 * match the legacy behavior of wacom_intuos_general
2392 		 */
2393 		if (wacom_wac->serial[0] >> 52 == 1)
2394 			id = wacom_intuos_id_mangle(id);
2395 
2396 		/*
2397 		 * To ensure compatibility with xf86-input-wacom, we should
2398 		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2399 		 * MSC_SERIAL events.
2400 		 */
2401 		input_report_key(input, BTN_TOUCH,
2402 				wacom_wac->hid_data.tipswitch);
2403 		input_report_key(input, wacom_wac->tool[0], sense);
2404 		if (wacom_wac->serial[0]) {
2405 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2406 			input_report_abs(input, ABS_MISC, sense ? id : 0);
2407 		}
2408 
2409 		wacom_wac->hid_data.tipswitch = false;
2410 
2411 		input_sync(input);
2412 	}
2413 
2414 	if (!sense) {
2415 		wacom_wac->tool[0] = 0;
2416 		wacom_wac->id[0] = 0;
2417 		wacom_wac->serial[0] = 0;
2418 	}
2419 }
2420 
2421 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2422 		struct hid_field *field, struct hid_usage *usage)
2423 {
2424 	struct wacom *wacom = hid_get_drvdata(hdev);
2425 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2426 	struct input_dev *input = wacom_wac->touch_input;
2427 	unsigned touch_max = wacom_wac->features.touch_max;
2428 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2429 
2430 	switch (equivalent_usage) {
2431 	case HID_GD_X:
2432 		if (touch_max == 1)
2433 			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2434 		else
2435 			wacom_map_usage(input, usage, field, EV_ABS,
2436 					ABS_MT_POSITION_X, 4);
2437 		break;
2438 	case HID_GD_Y:
2439 		if (touch_max == 1)
2440 			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2441 		else
2442 			wacom_map_usage(input, usage, field, EV_ABS,
2443 					ABS_MT_POSITION_Y, 4);
2444 		break;
2445 	case HID_DG_WIDTH:
2446 	case HID_DG_HEIGHT:
2447 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2448 		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2449 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2450 		break;
2451 	case HID_DG_TIPSWITCH:
2452 		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2453 		break;
2454 	case HID_DG_CONTACTCOUNT:
2455 		wacom_wac->hid_data.cc_report = field->report->id;
2456 		wacom_wac->hid_data.cc_index = field->index;
2457 		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2458 		break;
2459 	case HID_DG_CONTACTID:
2460 		if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2461 			/*
2462 			 * The HID descriptor for G11 sensors leaves logical
2463 			 * maximum set to '1' despite it being a multitouch
2464 			 * device. Override to a sensible number.
2465 			 */
2466 			field->logical_maximum = 255;
2467 		}
2468 		break;
2469 	}
2470 }
2471 
2472 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2473 		struct input_dev *input)
2474 {
2475 	struct hid_data *hid_data = &wacom_wac->hid_data;
2476 	bool mt = wacom_wac->features.touch_max > 1;
2477 	bool prox = hid_data->tipswitch &&
2478 		    report_touch_events(wacom_wac);
2479 
2480 	if (wacom_wac->shared->has_mute_touch_switch &&
2481 	    !wacom_wac->shared->is_touch_on) {
2482 		if (!wacom_wac->shared->touch_down)
2483 			return;
2484 		prox = 0;
2485 	}
2486 
2487 	wacom_wac->hid_data.num_received++;
2488 	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2489 		return;
2490 
2491 	if (mt) {
2492 		int slot;
2493 
2494 		slot = input_mt_get_slot_by_key(input, hid_data->id);
2495 		input_mt_slot(input, slot);
2496 		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2497 	}
2498 	else {
2499 		input_report_key(input, BTN_TOUCH, prox);
2500 	}
2501 
2502 	if (prox) {
2503 		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2504 				 hid_data->x);
2505 		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2506 				 hid_data->y);
2507 
2508 		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2509 			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2510 			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2511 			if (hid_data->width != hid_data->height)
2512 				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2513 		}
2514 	}
2515 }
2516 
2517 static void wacom_wac_finger_event(struct hid_device *hdev,
2518 		struct hid_field *field, struct hid_usage *usage, __s32 value)
2519 {
2520 	struct wacom *wacom = hid_get_drvdata(hdev);
2521 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2522 	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2523 	struct wacom_features *features = &wacom->wacom_wac.features;
2524 
2525 	if (wacom_wac->is_invalid_bt_frame)
2526 		return;
2527 
2528 	switch (equivalent_usage) {
2529 	case HID_GD_X:
2530 		wacom_wac->hid_data.x = value;
2531 		break;
2532 	case HID_GD_Y:
2533 		wacom_wac->hid_data.y = value;
2534 		break;
2535 	case HID_DG_WIDTH:
2536 		wacom_wac->hid_data.width = value;
2537 		break;
2538 	case HID_DG_HEIGHT:
2539 		wacom_wac->hid_data.height = value;
2540 		break;
2541 	case HID_DG_CONTACTID:
2542 		wacom_wac->hid_data.id = value;
2543 		break;
2544 	case HID_DG_TIPSWITCH:
2545 		wacom_wac->hid_data.tipswitch = value;
2546 		break;
2547 	case WACOM_HID_WT_REPORT_VALID:
2548 		wacom_wac->is_invalid_bt_frame = !value;
2549 		return;
2550 	case HID_DG_CONTACTMAX:
2551 		features->touch_max = value;
2552 		return;
2553 	}
2554 
2555 	if (usage->usage_index + 1 == field->report_count) {
2556 		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2557 			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2558 	}
2559 }
2560 
2561 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2562 		struct hid_report *report)
2563 {
2564 	struct wacom *wacom = hid_get_drvdata(hdev);
2565 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2566 	struct hid_data* hid_data = &wacom_wac->hid_data;
2567 	int i;
2568 
2569 	wacom_wac->is_invalid_bt_frame = false;
2570 
2571 	for (i = 0; i < report->maxfield; i++) {
2572 		struct hid_field *field = report->field[i];
2573 		int j;
2574 
2575 		for (j = 0; j < field->maxusage; j++) {
2576 			struct hid_usage *usage = &field->usage[j];
2577 			unsigned int equivalent_usage =
2578 				wacom_equivalent_usage(usage->hid);
2579 
2580 			switch (equivalent_usage) {
2581 			case HID_GD_X:
2582 			case HID_GD_Y:
2583 			case HID_DG_WIDTH:
2584 			case HID_DG_HEIGHT:
2585 			case HID_DG_CONTACTID:
2586 			case HID_DG_INRANGE:
2587 			case HID_DG_INVERT:
2588 			case HID_DG_TIPSWITCH:
2589 				hid_data->last_slot_field = equivalent_usage;
2590 				break;
2591 			}
2592 		}
2593 	}
2594 }
2595 
2596 static void wacom_wac_finger_report(struct hid_device *hdev,
2597 		struct hid_report *report)
2598 {
2599 	struct wacom *wacom = hid_get_drvdata(hdev);
2600 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2601 	struct input_dev *input = wacom_wac->touch_input;
2602 	unsigned touch_max = wacom_wac->features.touch_max;
2603 	struct hid_data *hid_data = &wacom_wac->hid_data;
2604 
2605 	/* If more packets of data are expected, give us a chance to
2606 	 * process them rather than immediately syncing a partial
2607 	 * update.
2608 	 */
2609 	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2610 		return;
2611 
2612 	if (touch_max > 1)
2613 		input_mt_sync_frame(input);
2614 
2615 	input_sync(input);
2616 	wacom_wac->hid_data.num_received = 0;
2617 	hid_data->num_expected = 0;
2618 
2619 	/* keep touch state for pen event */
2620 	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2621 }
2622 
2623 void wacom_wac_usage_mapping(struct hid_device *hdev,
2624 		struct hid_field *field, struct hid_usage *usage)
2625 {
2626 	struct wacom *wacom = hid_get_drvdata(hdev);
2627 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2628 	struct wacom_features *features = &wacom_wac->features;
2629 
2630 	if (WACOM_DIRECT_DEVICE(field))
2631 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2632 
2633 	/* usage tests must precede field tests */
2634 	if (WACOM_BATTERY_USAGE(usage))
2635 		wacom_wac_battery_usage_mapping(hdev, field, usage);
2636 	else if (WACOM_PAD_FIELD(field))
2637 		wacom_wac_pad_usage_mapping(hdev, field, usage);
2638 	else if (WACOM_PEN_FIELD(field))
2639 		wacom_wac_pen_usage_mapping(hdev, field, usage);
2640 	else if (WACOM_FINGER_FIELD(field))
2641 		wacom_wac_finger_usage_mapping(hdev, field, usage);
2642 }
2643 
2644 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2645 		struct hid_usage *usage, __s32 value)
2646 {
2647 	struct wacom *wacom = hid_get_drvdata(hdev);
2648 
2649 	if (wacom->wacom_wac.features.type != HID_GENERIC)
2650 		return;
2651 
2652 	if (value > field->logical_maximum || value < field->logical_minimum)
2653 		return;
2654 
2655 	/* usage tests must precede field tests */
2656 	if (WACOM_BATTERY_USAGE(usage))
2657 		wacom_wac_battery_event(hdev, field, usage, value);
2658 	else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2659 		wacom_wac_pad_event(hdev, field, usage, value);
2660 	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2661 		wacom_wac_pen_event(hdev, field, usage, value);
2662 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2663 		wacom_wac_finger_event(hdev, field, usage, value);
2664 }
2665 
2666 static void wacom_report_events(struct hid_device *hdev,
2667 				struct hid_report *report, int collection_index,
2668 				int field_index)
2669 {
2670 	int r;
2671 
2672 	for (r = field_index; r < report->maxfield; r++) {
2673 		struct hid_field *field;
2674 		unsigned count, n;
2675 
2676 		field = report->field[r];
2677 		count = field->report_count;
2678 
2679 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2680 			continue;
2681 
2682 		for (n = 0 ; n < count; n++) {
2683 			if (field->usage[n].collection_index == collection_index)
2684 				wacom_wac_event(hdev, field, &field->usage[n],
2685 						field->value[n]);
2686 			else
2687 				return;
2688 		}
2689 	}
2690 }
2691 
2692 static void wacom_set_num_expected(struct hid_device *hdev,
2693 				   struct hid_report *report,
2694 				   int collection_index,
2695 				   struct hid_field *field,
2696 				   int field_index)
2697 {
2698 	struct wacom *wacom = hid_get_drvdata(hdev);
2699 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2700 	struct hid_data *hid_data = &wacom_wac->hid_data;
2701 	unsigned int original_collection_level =
2702 		hdev->collection[collection_index].level;
2703 	bool end_collection = false;
2704 	int i;
2705 
2706 	if (hid_data->num_expected)
2707 		return;
2708 
2709 	// find the contact count value for this segment
2710 	for (i = field_index; i < report->maxfield && !end_collection; i++) {
2711 		struct hid_field *field = report->field[i];
2712 		unsigned int field_level =
2713 			hdev->collection[field->usage[0].collection_index].level;
2714 		unsigned int j;
2715 
2716 		if (field_level != original_collection_level)
2717 			continue;
2718 
2719 		for (j = 0; j < field->maxusage; j++) {
2720 			struct hid_usage *usage = &field->usage[j];
2721 
2722 			if (usage->collection_index != collection_index) {
2723 				end_collection = true;
2724 				break;
2725 			}
2726 			if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) {
2727 				hid_data->cc_report = report->id;
2728 				hid_data->cc_index = i;
2729 				hid_data->cc_value_index = j;
2730 
2731 				if (hid_data->cc_report != 0 &&
2732 				    hid_data->cc_index >= 0) {
2733 
2734 					struct hid_field *field =
2735 						report->field[hid_data->cc_index];
2736 					int value =
2737 						field->value[hid_data->cc_value_index];
2738 
2739 					if (value)
2740 						hid_data->num_expected = value;
2741 				}
2742 			}
2743 		}
2744 	}
2745 
2746 	if (hid_data->cc_report == 0 || hid_data->cc_index < 0)
2747 		hid_data->num_expected = wacom_wac->features.touch_max;
2748 }
2749 
2750 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2751 			 int collection_index, struct hid_field *field,
2752 			 int field_index)
2753 {
2754 	struct wacom *wacom = hid_get_drvdata(hdev);
2755 
2756 	if (WACOM_FINGER_FIELD(field))
2757 		wacom_set_num_expected(hdev, report, collection_index, field,
2758 				       field_index);
2759 	wacom_report_events(hdev, report, collection_index, field_index);
2760 
2761 	/*
2762 	 * Non-input reports may be sent prior to the device being
2763 	 * completely initialized. Since only their events need
2764 	 * to be processed, exit after 'wacom_report_events' has
2765 	 * been called to prevent potential crashes in the report-
2766 	 * processing functions.
2767 	 */
2768 	if (report->type != HID_INPUT_REPORT)
2769 		return -1;
2770 
2771 	if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2772 		wacom_wac_pen_report(hdev, report);
2773 	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2774 		wacom_wac_finger_report(hdev, report);
2775 
2776 	return 0;
2777 }
2778 
2779 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2780 {
2781 	struct wacom *wacom = hid_get_drvdata(hdev);
2782 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2783 	struct hid_field *field;
2784 	bool pad_in_hid_field = false, pen_in_hid_field = false,
2785 		finger_in_hid_field = false, true_pad = false;
2786 	int r;
2787 	int prev_collection = -1;
2788 
2789 	if (wacom_wac->features.type != HID_GENERIC)
2790 		return;
2791 
2792 	for (r = 0; r < report->maxfield; r++) {
2793 		field = report->field[r];
2794 
2795 		if (WACOM_PAD_FIELD(field))
2796 			pad_in_hid_field = true;
2797 		if (WACOM_PEN_FIELD(field))
2798 			pen_in_hid_field = true;
2799 		if (WACOM_FINGER_FIELD(field))
2800 			finger_in_hid_field = true;
2801 		if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2802 			true_pad = true;
2803 	}
2804 
2805 	wacom_wac_battery_pre_report(hdev, report);
2806 
2807 	if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2808 		wacom_wac_pad_pre_report(hdev, report);
2809 	if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2810 		wacom_wac_pen_pre_report(hdev, report);
2811 	if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2812 		wacom_wac_finger_pre_report(hdev, report);
2813 
2814 	for (r = 0; r < report->maxfield; r++) {
2815 		field = report->field[r];
2816 
2817 		if (field->usage[0].collection_index != prev_collection) {
2818 			if (wacom_wac_collection(hdev, report,
2819 				field->usage[0].collection_index, field, r) < 0)
2820 				return;
2821 			prev_collection = field->usage[0].collection_index;
2822 		}
2823 	}
2824 
2825 	wacom_wac_battery_report(hdev, report);
2826 
2827 	if (true_pad && wacom->wacom_wac.pad_input)
2828 		wacom_wac_pad_report(hdev, report, field);
2829 }
2830 
2831 static int wacom_bpt_touch(struct wacom_wac *wacom)
2832 {
2833 	struct wacom_features *features = &wacom->features;
2834 	struct input_dev *input = wacom->touch_input;
2835 	struct input_dev *pad_input = wacom->pad_input;
2836 	unsigned char *data = wacom->data;
2837 	int i;
2838 
2839 	if (data[0] != 0x02)
2840 	    return 0;
2841 
2842 	for (i = 0; i < 2; i++) {
2843 		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2844 		bool touch = report_touch_events(wacom)
2845 			   && (data[offset + 3] & 0x80);
2846 
2847 		input_mt_slot(input, i);
2848 		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2849 		if (touch) {
2850 			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2851 			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2852 			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2853 				x <<= 5;
2854 				y <<= 5;
2855 			}
2856 			input_report_abs(input, ABS_MT_POSITION_X, x);
2857 			input_report_abs(input, ABS_MT_POSITION_Y, y);
2858 		}
2859 	}
2860 
2861 	input_mt_sync_frame(input);
2862 
2863 	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2864 	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2865 	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2866 	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2867 	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2868 
2869 	return 1;
2870 }
2871 
2872 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2873 {
2874 	struct wacom_features *features = &wacom->features;
2875 	struct input_dev *input = wacom->touch_input;
2876 	bool touch = data[1] & 0x80;
2877 	int slot = input_mt_get_slot_by_key(input, data[0]);
2878 
2879 	if (slot < 0)
2880 		return;
2881 
2882 	touch = touch && report_touch_events(wacom);
2883 
2884 	input_mt_slot(input, slot);
2885 	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2886 
2887 	if (touch) {
2888 		int x = (data[2] << 4) | (data[4] >> 4);
2889 		int y = (data[3] << 4) | (data[4] & 0x0f);
2890 		int width, height;
2891 
2892 		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2893 			width  = data[5] * 100;
2894 			height = data[6] * 100;
2895 		} else {
2896 			/*
2897 			 * "a" is a scaled-down area which we assume is
2898 			 * roughly circular and which can be described as:
2899 			 * a=(pi*r^2)/C.
2900 			 */
2901 			int a = data[5];
2902 			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2903 			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2904 			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2905 			height = width * y_res / x_res;
2906 		}
2907 
2908 		input_report_abs(input, ABS_MT_POSITION_X, x);
2909 		input_report_abs(input, ABS_MT_POSITION_Y, y);
2910 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2911 		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2912 	}
2913 }
2914 
2915 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2916 {
2917 	struct input_dev *input = wacom->pad_input;
2918 	struct wacom_features *features = &wacom->features;
2919 
2920 	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2921 		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2922 		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2923 	} else {
2924 		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2925 		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2926 	}
2927 	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2928 	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2929 }
2930 
2931 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2932 {
2933 	unsigned char *data = wacom->data;
2934 	int count = data[1] & 0x07;
2935 	int  touch_changed = 0, i;
2936 
2937 	if (data[0] != 0x02)
2938 	    return 0;
2939 
2940 	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2941 	for (i = 0; i < count; i++) {
2942 		int offset = (8 * i) + 2;
2943 		int msg_id = data[offset];
2944 
2945 		if (msg_id >= 2 && msg_id <= 17) {
2946 			wacom_bpt3_touch_msg(wacom, data + offset);
2947 			touch_changed++;
2948 		} else if (msg_id == 128)
2949 			wacom_bpt3_button_msg(wacom, data + offset);
2950 
2951 	}
2952 
2953 	/* only update touch if we actually have a touchpad and touch data changed */
2954 	if (wacom->touch_input && touch_changed) {
2955 		input_mt_sync_frame(wacom->touch_input);
2956 		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2957 	}
2958 
2959 	return 1;
2960 }
2961 
2962 static int wacom_bpt_pen(struct wacom_wac *wacom)
2963 {
2964 	struct wacom_features *features = &wacom->features;
2965 	struct input_dev *input = wacom->pen_input;
2966 	unsigned char *data = wacom->data;
2967 	int x = 0, y = 0, p = 0, d = 0;
2968 	bool pen = false, btn1 = false, btn2 = false;
2969 	bool range, prox, rdy;
2970 
2971 	if (data[0] != WACOM_REPORT_PENABLED)
2972 	    return 0;
2973 
2974 	range = (data[1] & 0x80) == 0x80;
2975 	prox = (data[1] & 0x40) == 0x40;
2976 	rdy = (data[1] & 0x20) == 0x20;
2977 
2978 	wacom->shared->stylus_in_proximity = range;
2979 	if (delay_pen_events(wacom))
2980 		return 0;
2981 
2982 	if (rdy) {
2983 		p = le16_to_cpup((__le16 *)&data[6]);
2984 		pen = data[1] & 0x01;
2985 		btn1 = data[1] & 0x02;
2986 		btn2 = data[1] & 0x04;
2987 	}
2988 	if (prox) {
2989 		x = le16_to_cpup((__le16 *)&data[2]);
2990 		y = le16_to_cpup((__le16 *)&data[4]);
2991 
2992 		if (data[1] & 0x08) {
2993 			wacom->tool[0] = BTN_TOOL_RUBBER;
2994 			wacom->id[0] = ERASER_DEVICE_ID;
2995 		} else {
2996 			wacom->tool[0] = BTN_TOOL_PEN;
2997 			wacom->id[0] = STYLUS_DEVICE_ID;
2998 		}
2999 		wacom->reporting_data = true;
3000 	}
3001 	if (range) {
3002 		/*
3003 		 * Convert distance from out prox to distance from tablet.
3004 		 * distance will be greater than distance_max once
3005 		 * touching and applying pressure; do not report negative
3006 		 * distance.
3007 		 */
3008 		if (data[8] <= features->distance_max)
3009 			d = features->distance_max - data[8];
3010 	} else {
3011 		wacom->id[0] = 0;
3012 	}
3013 
3014 	if (wacom->reporting_data) {
3015 		input_report_key(input, BTN_TOUCH, pen);
3016 		input_report_key(input, BTN_STYLUS, btn1);
3017 		input_report_key(input, BTN_STYLUS2, btn2);
3018 
3019 		if (prox || !range) {
3020 			input_report_abs(input, ABS_X, x);
3021 			input_report_abs(input, ABS_Y, y);
3022 		}
3023 		input_report_abs(input, ABS_PRESSURE, p);
3024 		input_report_abs(input, ABS_DISTANCE, d);
3025 
3026 		input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3027 		input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3028 	}
3029 
3030 	if (!range) {
3031 		wacom->reporting_data = false;
3032 	}
3033 
3034 	return 1;
3035 }
3036 
3037 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3038 {
3039 	struct wacom_features *features = &wacom->features;
3040 
3041 	if ((features->type == INTUOSHT2) &&
3042 	    (features->device_type & WACOM_DEVICETYPE_PEN))
3043 		return wacom_intuos_irq(wacom);
3044 	else if (len == WACOM_PKGLEN_BBTOUCH)
3045 		return wacom_bpt_touch(wacom);
3046 	else if (len == WACOM_PKGLEN_BBTOUCH3)
3047 		return wacom_bpt3_touch(wacom);
3048 	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3049 		return wacom_bpt_pen(wacom);
3050 
3051 	return 0;
3052 }
3053 
3054 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3055 		unsigned char *data)
3056 {
3057 	unsigned char prefix;
3058 
3059 	/*
3060 	 * We need to reroute the event from the debug interface to the
3061 	 * pen interface.
3062 	 * We need to add the report ID to the actual pen report, so we
3063 	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
3064 	 * and memcpy the report.
3065 	 */
3066 	prefix = data[0];
3067 	data[0] = WACOM_REPORT_BPAD_PEN;
3068 
3069 	/*
3070 	 * actually reroute the event.
3071 	 * No need to check if wacom->shared->pen is valid, hid_input_report()
3072 	 * will check for us.
3073 	 */
3074 	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3075 			 WACOM_PKGLEN_PENABLED, 1);
3076 
3077 	data[0] = prefix;
3078 }
3079 
3080 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3081 		unsigned char *data)
3082 {
3083 	struct input_dev *input = wacom->touch_input;
3084 	unsigned char *finger_data, prefix;
3085 	unsigned id;
3086 	int x, y;
3087 	bool valid;
3088 
3089 	prefix = data[0];
3090 
3091 	for (id = 0; id < wacom->features.touch_max; id++) {
3092 		valid = !!(prefix & BIT(id)) &&
3093 			report_touch_events(wacom);
3094 
3095 		input_mt_slot(input, id);
3096 		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3097 
3098 		if (!valid)
3099 			continue;
3100 
3101 		finger_data = data + 1 + id * 3;
3102 		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3103 		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3104 
3105 		input_report_abs(input, ABS_MT_POSITION_X, x);
3106 		input_report_abs(input, ABS_MT_POSITION_Y, y);
3107 	}
3108 
3109 	input_mt_sync_frame(input);
3110 
3111 	input_report_key(input, BTN_LEFT, prefix & 0x40);
3112 	input_report_key(input, BTN_RIGHT, prefix & 0x80);
3113 
3114 	/* keep touch state for pen event */
3115 	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3116 
3117 	return 1;
3118 }
3119 
3120 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3121 {
3122 	unsigned char *data = wacom->data;
3123 
3124 	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3125 	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3126 	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
3127 		return 0;
3128 
3129 	if (data[1] & 0x01)
3130 		wacom_bamboo_pad_pen_event(wacom, &data[1]);
3131 
3132 	if (data[1] & 0x02)
3133 		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3134 
3135 	return 0;
3136 }
3137 
3138 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3139 {
3140 	unsigned char *data = wacom->data;
3141 	int connected;
3142 
3143 	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3144 		return 0;
3145 
3146 	connected = data[1] & 0x01;
3147 	if (connected) {
3148 		int pid, battery, charging;
3149 
3150 		if ((wacom->shared->type == INTUOSHT ||
3151 		    wacom->shared->type == INTUOSHT2) &&
3152 		    wacom->shared->touch_input &&
3153 		    wacom->shared->touch_max) {
3154 			input_report_switch(wacom->shared->touch_input,
3155 					SW_MUTE_DEVICE, data[5] & 0x40);
3156 			input_sync(wacom->shared->touch_input);
3157 		}
3158 
3159 		pid = get_unaligned_be16(&data[6]);
3160 		battery = (data[5] & 0x3f) * 100 / 31;
3161 		charging = !!(data[5] & 0x80);
3162 		if (wacom->pid != pid) {
3163 			wacom->pid = pid;
3164 			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3165 		}
3166 
3167 		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3168 				     battery, charging, 1, 0);
3169 
3170 	} else if (wacom->pid != 0) {
3171 		/* disconnected while previously connected */
3172 		wacom->pid = 0;
3173 		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3174 		wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3175 	}
3176 
3177 	return 0;
3178 }
3179 
3180 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3181 {
3182 	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3183 	struct wacom_features *features = &wacom_wac->features;
3184 	unsigned char *data = wacom_wac->data;
3185 
3186 	if (data[0] != WACOM_REPORT_USB)
3187 		return 0;
3188 
3189 	if ((features->type == INTUOSHT ||
3190 	    features->type == INTUOSHT2) &&
3191 	    wacom_wac->shared->touch_input &&
3192 	    features->touch_max) {
3193 		input_report_switch(wacom_wac->shared->touch_input,
3194 				    SW_MUTE_DEVICE, data[8] & 0x40);
3195 		input_sync(wacom_wac->shared->touch_input);
3196 	}
3197 
3198 	if (data[9] & 0x02) { /* wireless module is attached */
3199 		int battery = (data[8] & 0x3f) * 100 / 31;
3200 		bool charging = !!(data[8] & 0x80);
3201 
3202 		wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3203 				     battery, charging, battery || charging, 1);
3204 
3205 		if (!wacom->battery.battery &&
3206 		    !(features->quirks & WACOM_QUIRK_BATTERY)) {
3207 			features->quirks |= WACOM_QUIRK_BATTERY;
3208 			wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3209 		}
3210 	}
3211 	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3212 		 wacom->battery.battery) {
3213 		features->quirks &= ~WACOM_QUIRK_BATTERY;
3214 		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3215 		wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3216 	}
3217 	return 0;
3218 }
3219 
3220 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3221 {
3222 	bool sync;
3223 
3224 	switch (wacom_wac->features.type) {
3225 	case PENPARTNER:
3226 		sync = wacom_penpartner_irq(wacom_wac);
3227 		break;
3228 
3229 	case PL:
3230 		sync = wacom_pl_irq(wacom_wac);
3231 		break;
3232 
3233 	case WACOM_G4:
3234 	case GRAPHIRE:
3235 	case GRAPHIRE_BT:
3236 	case WACOM_MO:
3237 		sync = wacom_graphire_irq(wacom_wac);
3238 		break;
3239 
3240 	case PTU:
3241 		sync = wacom_ptu_irq(wacom_wac);
3242 		break;
3243 
3244 	case DTU:
3245 		sync = wacom_dtu_irq(wacom_wac);
3246 		break;
3247 
3248 	case DTUS:
3249 	case DTUSX:
3250 		sync = wacom_dtus_irq(wacom_wac);
3251 		break;
3252 
3253 	case INTUOS:
3254 	case INTUOS3S:
3255 	case INTUOS3:
3256 	case INTUOS3L:
3257 	case INTUOS4S:
3258 	case INTUOS4:
3259 	case INTUOS4L:
3260 	case CINTIQ:
3261 	case WACOM_BEE:
3262 	case WACOM_13HD:
3263 	case WACOM_21UX2:
3264 	case WACOM_22HD:
3265 	case WACOM_24HD:
3266 	case WACOM_27QHD:
3267 	case DTK:
3268 	case CINTIQ_HYBRID:
3269 	case CINTIQ_COMPANION_2:
3270 		sync = wacom_intuos_irq(wacom_wac);
3271 		break;
3272 
3273 	case INTUOS4WL:
3274 		sync = wacom_intuos_bt_irq(wacom_wac, len);
3275 		break;
3276 
3277 	case WACOM_24HDT:
3278 	case WACOM_27QHDT:
3279 		sync = wacom_24hdt_irq(wacom_wac);
3280 		break;
3281 
3282 	case INTUOS5S:
3283 	case INTUOS5:
3284 	case INTUOS5L:
3285 	case INTUOSPS:
3286 	case INTUOSPM:
3287 	case INTUOSPL:
3288 		if (len == WACOM_PKGLEN_BBTOUCH3)
3289 			sync = wacom_bpt3_touch(wacom_wac);
3290 		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3291 			sync = wacom_status_irq(wacom_wac, len);
3292 		else
3293 			sync = wacom_intuos_irq(wacom_wac);
3294 		break;
3295 
3296 	case INTUOSP2_BT:
3297 	case INTUOSP2S_BT:
3298 	case INTUOSHT3_BT:
3299 		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3300 		break;
3301 
3302 	case TABLETPC:
3303 	case TABLETPCE:
3304 	case TABLETPC2FG:
3305 	case MTSCREEN:
3306 	case MTTPC:
3307 	case MTTPC_B:
3308 		sync = wacom_tpc_irq(wacom_wac, len);
3309 		break;
3310 
3311 	case BAMBOO_PT:
3312 	case BAMBOO_PEN:
3313 	case BAMBOO_TOUCH:
3314 	case INTUOSHT:
3315 	case INTUOSHT2:
3316 		if (wacom_wac->data[0] == WACOM_REPORT_USB)
3317 			sync = wacom_status_irq(wacom_wac, len);
3318 		else
3319 			sync = wacom_bpt_irq(wacom_wac, len);
3320 		break;
3321 
3322 	case BAMBOO_PAD:
3323 		sync = wacom_bamboo_pad_irq(wacom_wac, len);
3324 		break;
3325 
3326 	case WIRELESS:
3327 		sync = wacom_wireless_irq(wacom_wac, len);
3328 		break;
3329 
3330 	case REMOTE:
3331 		sync = false;
3332 		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3333 			wacom_remote_status_irq(wacom_wac, len);
3334 		else
3335 			sync = wacom_remote_irq(wacom_wac, len);
3336 		break;
3337 
3338 	default:
3339 		sync = false;
3340 		break;
3341 	}
3342 
3343 	if (sync) {
3344 		if (wacom_wac->pen_input)
3345 			input_sync(wacom_wac->pen_input);
3346 		if (wacom_wac->touch_input)
3347 			input_sync(wacom_wac->touch_input);
3348 		if (wacom_wac->pad_input)
3349 			input_sync(wacom_wac->pad_input);
3350 	}
3351 }
3352 
3353 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3354 {
3355 	struct input_dev *input_dev = wacom_wac->pen_input;
3356 
3357 	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3358 
3359 	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3360 	__set_bit(BTN_STYLUS, input_dev->keybit);
3361 	__set_bit(BTN_STYLUS2, input_dev->keybit);
3362 
3363 	input_set_abs_params(input_dev, ABS_DISTANCE,
3364 			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3365 }
3366 
3367 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3368 {
3369 	struct input_dev *input_dev = wacom_wac->pen_input;
3370 	struct wacom_features *features = &wacom_wac->features;
3371 
3372 	wacom_setup_basic_pro_pen(wacom_wac);
3373 
3374 	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3375 	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3376 	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3377 	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3378 
3379 	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3380 	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3381 	input_abs_set_res(input_dev, ABS_TILT_X, 57);
3382 	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3383 	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3384 }
3385 
3386 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3387 {
3388 	struct input_dev *input_dev = wacom_wac->pen_input;
3389 
3390 	input_set_capability(input_dev, EV_REL, REL_WHEEL);
3391 
3392 	wacom_setup_cintiq(wacom_wac);
3393 
3394 	__set_bit(BTN_LEFT, input_dev->keybit);
3395 	__set_bit(BTN_RIGHT, input_dev->keybit);
3396 	__set_bit(BTN_MIDDLE, input_dev->keybit);
3397 	__set_bit(BTN_SIDE, input_dev->keybit);
3398 	__set_bit(BTN_EXTRA, input_dev->keybit);
3399 	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3400 	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
3401 
3402 	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3403 	input_abs_set_res(input_dev, ABS_RZ, 287);
3404 	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3405 }
3406 
3407 void wacom_setup_device_quirks(struct wacom *wacom)
3408 {
3409 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3410 	struct wacom_features *features = &wacom->wacom_wac.features;
3411 
3412 	/* The pen and pad share the same interface on most devices */
3413 	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3414 	    features->type == DTUS ||
3415 	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3416 		if (features->device_type & WACOM_DEVICETYPE_PEN)
3417 			features->device_type |= WACOM_DEVICETYPE_PAD;
3418 	}
3419 
3420 	/* touch device found but size is not defined. use default */
3421 	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3422 		features->x_max = 1023;
3423 		features->y_max = 1023;
3424 	}
3425 
3426 	/*
3427 	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3428 	 * touch interface in its HID descriptor. If this is the touch
3429 	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3430 	 * tablet values.
3431 	 */
3432 	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3433 		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3434 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3435 			if (features->touch_max)
3436 				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3437 			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3438 				features->device_type |= WACOM_DEVICETYPE_PAD;
3439 
3440 			if (features->type == INTUOSHT2) {
3441 				features->x_max = features->x_max / 10;
3442 				features->y_max = features->y_max / 10;
3443 			}
3444 			else {
3445 				features->x_max = 4096;
3446 				features->y_max = 4096;
3447 			}
3448 		}
3449 		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3450 			features->device_type |= WACOM_DEVICETYPE_PAD;
3451 		}
3452 	}
3453 
3454 	/*
3455 	 * Hack for the Bamboo One:
3456 	 * the device presents a PAD/Touch interface as most Bamboos and even
3457 	 * sends ghosts PAD data on it. However, later, we must disable this
3458 	 * ghost interface, and we can not detect it unless we set it here
3459 	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3460 	 */
3461 	if (features->type == BAMBOO_PEN &&
3462 	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3463 		features->device_type |= WACOM_DEVICETYPE_PAD;
3464 
3465 	/*
3466 	 * Raw Wacom-mode pen and touch events both come from interface
3467 	 * 0, whose HID descriptor has an application usage of 0xFF0D
3468 	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3469 	 * out through the HID_GENERIC device created for interface 1,
3470 	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3471 	 */
3472 	if (features->type == BAMBOO_PAD)
3473 		features->device_type = WACOM_DEVICETYPE_TOUCH;
3474 
3475 	if (features->type == REMOTE)
3476 		features->device_type = WACOM_DEVICETYPE_PAD;
3477 
3478 	if (features->type == INTUOSP2_BT ||
3479 	    features->type == INTUOSP2S_BT) {
3480 		features->device_type |= WACOM_DEVICETYPE_PEN |
3481 					 WACOM_DEVICETYPE_PAD |
3482 					 WACOM_DEVICETYPE_TOUCH;
3483 		features->quirks |= WACOM_QUIRK_BATTERY;
3484 	}
3485 
3486 	if (features->type == INTUOSHT3_BT) {
3487 		features->device_type |= WACOM_DEVICETYPE_PEN |
3488 					 WACOM_DEVICETYPE_PAD;
3489 		features->quirks |= WACOM_QUIRK_BATTERY;
3490 	}
3491 
3492 	switch (features->type) {
3493 	case PL:
3494 	case DTU:
3495 	case DTUS:
3496 	case DTUSX:
3497 	case WACOM_21UX2:
3498 	case WACOM_22HD:
3499 	case DTK:
3500 	case WACOM_24HD:
3501 	case WACOM_27QHD:
3502 	case CINTIQ_HYBRID:
3503 	case CINTIQ_COMPANION_2:
3504 	case CINTIQ:
3505 	case WACOM_BEE:
3506 	case WACOM_13HD:
3507 	case WACOM_24HDT:
3508 	case WACOM_27QHDT:
3509 	case TABLETPC:
3510 	case TABLETPCE:
3511 	case TABLETPC2FG:
3512 	case MTSCREEN:
3513 	case MTTPC:
3514 	case MTTPC_B:
3515 		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3516 		break;
3517 	}
3518 
3519 	if (wacom->hdev->bus == BUS_BLUETOOTH)
3520 		features->quirks |= WACOM_QUIRK_BATTERY;
3521 
3522 	/* quirk for bamboo touch with 2 low res touches */
3523 	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3524 	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3525 		features->x_max <<= 5;
3526 		features->y_max <<= 5;
3527 		features->x_fuzz <<= 5;
3528 		features->y_fuzz <<= 5;
3529 		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3530 	}
3531 
3532 	if (features->type == WIRELESS) {
3533 		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3534 			features->quirks |= WACOM_QUIRK_BATTERY;
3535 		}
3536 	}
3537 
3538 	if (features->type == REMOTE)
3539 		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3540 
3541 	/* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3542 	 * of things it shouldn't. Lets fix up the damage...
3543 	 */
3544 	if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3545 		features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3546 		__clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3547 		__clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3548 		__clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3549 		__clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3550 		__clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3551 		__clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3552 		__clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3553 		__clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3554 		__clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3555 		__clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3556 		__clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3557 	}
3558 }
3559 
3560 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3561 				   struct wacom_wac *wacom_wac)
3562 {
3563 	struct wacom_features *features = &wacom_wac->features;
3564 
3565 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3566 
3567 	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3568 		return -ENODEV;
3569 
3570 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3571 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3572 	else
3573 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3574 
3575 	if (features->type == HID_GENERIC) {
3576 		/* setup has already been done; apply otherwise-undetectible quirks */
3577 		input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3578 		return 0;
3579 	}
3580 
3581 	__set_bit(BTN_TOUCH, input_dev->keybit);
3582 	__set_bit(ABS_MISC, input_dev->absbit);
3583 
3584 	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3585 			     features->x_max - features->offset_right,
3586 			     features->x_fuzz, 0);
3587 	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3588 			     features->y_max - features->offset_bottom,
3589 			     features->y_fuzz, 0);
3590 	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3591 		features->pressure_max, features->pressure_fuzz, 0);
3592 
3593 	/* penabled devices have fixed resolution for each model */
3594 	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3595 	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3596 
3597 	switch (features->type) {
3598 	case GRAPHIRE_BT:
3599 		__clear_bit(ABS_MISC, input_dev->absbit);
3600 		/* fall through */
3601 
3602 	case WACOM_MO:
3603 	case WACOM_G4:
3604 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3605 					      features->distance_max,
3606 					      features->distance_fuzz, 0);
3607 		/* fall through */
3608 
3609 	case GRAPHIRE:
3610 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3611 
3612 		__set_bit(BTN_LEFT, input_dev->keybit);
3613 		__set_bit(BTN_RIGHT, input_dev->keybit);
3614 		__set_bit(BTN_MIDDLE, input_dev->keybit);
3615 
3616 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3617 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3618 		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3619 		__set_bit(BTN_STYLUS, input_dev->keybit);
3620 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3621 		break;
3622 
3623 	case WACOM_27QHD:
3624 	case WACOM_24HD:
3625 	case DTK:
3626 	case WACOM_22HD:
3627 	case WACOM_21UX2:
3628 	case WACOM_BEE:
3629 	case CINTIQ:
3630 	case WACOM_13HD:
3631 	case CINTIQ_HYBRID:
3632 	case CINTIQ_COMPANION_2:
3633 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3634 		input_abs_set_res(input_dev, ABS_Z, 287);
3635 		wacom_setup_cintiq(wacom_wac);
3636 		break;
3637 
3638 	case INTUOS3:
3639 	case INTUOS3L:
3640 	case INTUOS3S:
3641 	case INTUOS4:
3642 	case INTUOS4WL:
3643 	case INTUOS4L:
3644 	case INTUOS4S:
3645 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3646 		input_abs_set_res(input_dev, ABS_Z, 287);
3647 		/* fall through */
3648 
3649 	case INTUOS:
3650 		wacom_setup_intuos(wacom_wac);
3651 		break;
3652 
3653 	case INTUOS5:
3654 	case INTUOS5L:
3655 	case INTUOSPM:
3656 	case INTUOSPL:
3657 	case INTUOS5S:
3658 	case INTUOSPS:
3659 	case INTUOSP2_BT:
3660 	case INTUOSP2S_BT:
3661 		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3662 				      features->distance_max,
3663 				      features->distance_fuzz, 0);
3664 
3665 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3666 		input_abs_set_res(input_dev, ABS_Z, 287);
3667 
3668 		wacom_setup_intuos(wacom_wac);
3669 		break;
3670 
3671 	case WACOM_24HDT:
3672 	case WACOM_27QHDT:
3673 	case MTSCREEN:
3674 	case MTTPC:
3675 	case MTTPC_B:
3676 	case TABLETPC2FG:
3677 	case TABLETPC:
3678 	case TABLETPCE:
3679 		__clear_bit(ABS_MISC, input_dev->absbit);
3680 		/* fall through */
3681 
3682 	case DTUS:
3683 	case DTUSX:
3684 	case PL:
3685 	case DTU:
3686 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3687 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3688 		__set_bit(BTN_STYLUS, input_dev->keybit);
3689 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3690 		break;
3691 
3692 	case PTU:
3693 		__set_bit(BTN_STYLUS2, input_dev->keybit);
3694 		/* fall through */
3695 
3696 	case PENPARTNER:
3697 		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3698 		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3699 		__set_bit(BTN_STYLUS, input_dev->keybit);
3700 		break;
3701 
3702 	case INTUOSHT:
3703 	case BAMBOO_PT:
3704 	case BAMBOO_PEN:
3705 	case INTUOSHT2:
3706 	case INTUOSHT3_BT:
3707 		if (features->type == INTUOSHT2 ||
3708 		    features->type == INTUOSHT3_BT) {
3709 			wacom_setup_basic_pro_pen(wacom_wac);
3710 		} else {
3711 			__clear_bit(ABS_MISC, input_dev->absbit);
3712 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3713 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3714 			__set_bit(BTN_STYLUS, input_dev->keybit);
3715 			__set_bit(BTN_STYLUS2, input_dev->keybit);
3716 			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3717 				      features->distance_max,
3718 				      features->distance_fuzz, 0);
3719 		}
3720 		break;
3721 	case BAMBOO_PAD:
3722 		__clear_bit(ABS_MISC, input_dev->absbit);
3723 		break;
3724 	}
3725 	return 0;
3726 }
3727 
3728 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3729 					 struct wacom_wac *wacom_wac)
3730 {
3731 	struct wacom_features *features = &wacom_wac->features;
3732 
3733 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3734 
3735 	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3736 		return -ENODEV;
3737 
3738 	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3739 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3740 	else
3741 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3742 
3743 	if (features->type == HID_GENERIC)
3744 		/* setup has already been done */
3745 		return 0;
3746 
3747 	__set_bit(BTN_TOUCH, input_dev->keybit);
3748 
3749 	if (features->touch_max == 1) {
3750 		input_set_abs_params(input_dev, ABS_X, 0,
3751 			features->x_max, features->x_fuzz, 0);
3752 		input_set_abs_params(input_dev, ABS_Y, 0,
3753 			features->y_max, features->y_fuzz, 0);
3754 		input_abs_set_res(input_dev, ABS_X,
3755 				  features->x_resolution);
3756 		input_abs_set_res(input_dev, ABS_Y,
3757 				  features->y_resolution);
3758 	}
3759 	else if (features->touch_max > 1) {
3760 		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3761 			features->x_max, features->x_fuzz, 0);
3762 		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3763 			features->y_max, features->y_fuzz, 0);
3764 		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3765 				  features->x_resolution);
3766 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3767 				  features->y_resolution);
3768 	}
3769 
3770 	switch (features->type) {
3771 	case INTUOSP2_BT:
3772 	case INTUOSP2S_BT:
3773 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3774 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3775 
3776 		if (wacom_wac->shared->touch->product == 0x361) {
3777 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3778 					     0, 12440, 4, 0);
3779 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3780 					     0, 8640, 4, 0);
3781 		}
3782 		else if (wacom_wac->shared->touch->product == 0x360) {
3783 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3784 					     0, 8960, 4, 0);
3785 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3786 					     0, 5920, 4, 0);
3787 		}
3788 		else if (wacom_wac->shared->touch->product == 0x393) {
3789 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3790 					     0, 6400, 4, 0);
3791 			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3792 					     0, 4000, 4, 0);
3793 		}
3794 		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3795 		input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3796 
3797 		/* fall through */
3798 
3799 	case INTUOS5:
3800 	case INTUOS5L:
3801 	case INTUOSPM:
3802 	case INTUOSPL:
3803 	case INTUOS5S:
3804 	case INTUOSPS:
3805 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3806 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3807 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3808 		break;
3809 
3810 	case WACOM_24HDT:
3811 		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3812 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3813 		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3814 		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3815 		/* fall through */
3816 
3817 	case WACOM_27QHDT:
3818 	case MTSCREEN:
3819 	case MTTPC:
3820 	case MTTPC_B:
3821 	case TABLETPC2FG:
3822 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3823 		/*fall through */
3824 
3825 	case TABLETPC:
3826 	case TABLETPCE:
3827 		break;
3828 
3829 	case INTUOSHT:
3830 	case INTUOSHT2:
3831 		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3832 		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3833 		/* fall through */
3834 
3835 	case BAMBOO_PT:
3836 	case BAMBOO_TOUCH:
3837 		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3838 			input_set_abs_params(input_dev,
3839 				     ABS_MT_TOUCH_MAJOR,
3840 				     0, features->x_max, 0, 0);
3841 			input_set_abs_params(input_dev,
3842 				     ABS_MT_TOUCH_MINOR,
3843 				     0, features->y_max, 0, 0);
3844 		}
3845 		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3846 		break;
3847 
3848 	case BAMBOO_PAD:
3849 		input_mt_init_slots(input_dev, features->touch_max,
3850 				    INPUT_MT_POINTER);
3851 		__set_bit(BTN_LEFT, input_dev->keybit);
3852 		__set_bit(BTN_RIGHT, input_dev->keybit);
3853 		break;
3854 	}
3855 	return 0;
3856 }
3857 
3858 static int wacom_numbered_button_to_key(int n)
3859 {
3860 	if (n < 10)
3861 		return BTN_0 + n;
3862 	else if (n < 16)
3863 		return BTN_A + (n-10);
3864 	else if (n < 18)
3865 		return BTN_BASE + (n-16);
3866 	else
3867 		return 0;
3868 }
3869 
3870 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3871 				int button_count)
3872 {
3873 	int i;
3874 
3875 	for (i = 0; i < button_count; i++) {
3876 		int key = wacom_numbered_button_to_key(i);
3877 
3878 		if (key)
3879 			__set_bit(key, input_dev->keybit);
3880 	}
3881 }
3882 
3883 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3884 {
3885 	struct wacom_led *led;
3886 	int i;
3887 	bool updated = false;
3888 
3889 	/*
3890 	 * 24HD has LED group 1 to the left and LED group 0 to the right.
3891 	 * So group 0 matches the second half of the buttons and thus the mask
3892 	 * needs to be shifted.
3893 	 */
3894 	if (group == 0)
3895 		mask >>= 8;
3896 
3897 	for (i = 0; i < 3; i++) {
3898 		led = wacom_led_find(wacom, group, i);
3899 		if (!led) {
3900 			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3901 				i, group);
3902 			continue;
3903 		}
3904 		if (!updated && mask & BIT(i)) {
3905 			led->held = true;
3906 			led_trigger_event(&led->trigger, LED_FULL);
3907 		} else {
3908 			led->held = false;
3909 		}
3910 	}
3911 }
3912 
3913 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3914 				 int mask, int group)
3915 {
3916 	int group_button;
3917 
3918 	/*
3919 	 * 21UX2 has LED group 1 to the left and LED group 0
3920 	 * to the right. We need to reverse the group to match this
3921 	 * historical behavior.
3922 	 */
3923 	if (wacom->wacom_wac.features.type == WACOM_21UX2)
3924 		group = 1 - group;
3925 
3926 	group_button = group * (button_count/wacom->led.count);
3927 
3928 	if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3929 		group_button = 8;
3930 
3931 	return mask & (1 << group_button);
3932 }
3933 
3934 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3935 			     int group)
3936 {
3937 	struct wacom_led *led, *next_led;
3938 	int cur;
3939 	bool pressed;
3940 
3941 	if (wacom->wacom_wac.features.type == WACOM_24HD)
3942 		return wacom_24hd_update_leds(wacom, mask, group);
3943 
3944 	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
3945 	cur = wacom->led.groups[group].select;
3946 
3947 	led = wacom_led_find(wacom, group, cur);
3948 	if (!led) {
3949 		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
3950 			cur, group);
3951 		return;
3952 	}
3953 
3954 	if (!pressed) {
3955 		led->held = false;
3956 		return;
3957 	}
3958 
3959 	if (led->held && pressed)
3960 		return;
3961 
3962 	next_led = wacom_led_next(wacom, led);
3963 	if (!next_led) {
3964 		hid_err(wacom->hdev, "can't find next LED in group %d\n",
3965 			group);
3966 		return;
3967 	}
3968 	if (next_led == led)
3969 		return;
3970 
3971 	next_led->held = true;
3972 	led_trigger_event(&next_led->trigger,
3973 			  wacom_leds_brightness_get(next_led));
3974 }
3975 
3976 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
3977 				int button_count, int mask)
3978 {
3979 	struct wacom *wacom = input_get_drvdata(input_dev);
3980 	int i;
3981 
3982 	for (i = 0; i < wacom->led.count; i++)
3983 		wacom_update_led(wacom,  button_count, mask, i);
3984 
3985 	for (i = 0; i < button_count; i++) {
3986 		int key = wacom_numbered_button_to_key(i);
3987 
3988 		if (key)
3989 			input_report_key(input_dev, key, mask & (1 << i));
3990 	}
3991 }
3992 
3993 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
3994 				   struct wacom_wac *wacom_wac)
3995 {
3996 	struct wacom_features *features = &wacom_wac->features;
3997 
3998 	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
3999 		features->device_type |= WACOM_DEVICETYPE_PAD;
4000 
4001 	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4002 		return -ENODEV;
4003 
4004 	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4005 		return -ENODEV;
4006 
4007 	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4008 
4009 	/* kept for making legacy xf86-input-wacom working with the wheels */
4010 	__set_bit(ABS_MISC, input_dev->absbit);
4011 
4012 	/* kept for making legacy xf86-input-wacom accepting the pad */
4013 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4014 	      input_dev->absinfo[ABS_X].maximum)))
4015 		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4016 	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4017 	      input_dev->absinfo[ABS_Y].maximum)))
4018 		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4019 
4020 	/* kept for making udev and libwacom accepting the pad */
4021 	__set_bit(BTN_STYLUS, input_dev->keybit);
4022 
4023 	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4024 
4025 	switch (features->type) {
4026 
4027 	case CINTIQ_HYBRID:
4028 	case CINTIQ_COMPANION_2:
4029 	case DTK:
4030 	case DTUS:
4031 	case GRAPHIRE_BT:
4032 		break;
4033 
4034 	case WACOM_MO:
4035 		__set_bit(BTN_BACK, input_dev->keybit);
4036 		__set_bit(BTN_LEFT, input_dev->keybit);
4037 		__set_bit(BTN_FORWARD, input_dev->keybit);
4038 		__set_bit(BTN_RIGHT, input_dev->keybit);
4039 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4040 		break;
4041 
4042 	case WACOM_G4:
4043 		__set_bit(BTN_BACK, input_dev->keybit);
4044 		__set_bit(BTN_FORWARD, input_dev->keybit);
4045 		input_set_capability(input_dev, EV_REL, REL_WHEEL);
4046 		break;
4047 
4048 	case WACOM_24HD:
4049 		__set_bit(KEY_PROG1, input_dev->keybit);
4050 		__set_bit(KEY_PROG2, input_dev->keybit);
4051 		__set_bit(KEY_PROG3, input_dev->keybit);
4052 
4053 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4054 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4055 		break;
4056 
4057 	case WACOM_27QHD:
4058 		__set_bit(KEY_PROG1, input_dev->keybit);
4059 		__set_bit(KEY_PROG2, input_dev->keybit);
4060 		__set_bit(KEY_PROG3, input_dev->keybit);
4061 		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4062 		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4063 		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4064 		input_abs_set_res(input_dev, ABS_Y, 1024);
4065 		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4066 		input_abs_set_res(input_dev, ABS_Z, 1024);
4067 		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4068 		break;
4069 
4070 	case WACOM_22HD:
4071 		__set_bit(KEY_PROG1, input_dev->keybit);
4072 		__set_bit(KEY_PROG2, input_dev->keybit);
4073 		__set_bit(KEY_PROG3, input_dev->keybit);
4074 		/* fall through */
4075 
4076 	case WACOM_21UX2:
4077 	case WACOM_BEE:
4078 	case CINTIQ:
4079 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4080 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4081 		break;
4082 
4083 	case WACOM_13HD:
4084 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4085 		break;
4086 
4087 	case INTUOS3:
4088 	case INTUOS3L:
4089 		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4090 		/* fall through */
4091 
4092 	case INTUOS3S:
4093 		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4094 		break;
4095 
4096 	case INTUOS5:
4097 	case INTUOS5L:
4098 	case INTUOSPM:
4099 	case INTUOSPL:
4100 	case INTUOS5S:
4101 	case INTUOSPS:
4102 	case INTUOSP2_BT:
4103 	case INTUOSP2S_BT:
4104 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4105 		break;
4106 
4107 	case INTUOS4WL:
4108 		/*
4109 		 * For Bluetooth devices, the udev rule does not work correctly
4110 		 * for pads unless we add a stylus capability, which forces
4111 		 * ID_INPUT_TABLET to be set.
4112 		 */
4113 		__set_bit(BTN_STYLUS, input_dev->keybit);
4114 		/* fall through */
4115 
4116 	case INTUOS4:
4117 	case INTUOS4L:
4118 	case INTUOS4S:
4119 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4120 		break;
4121 
4122 	case INTUOSHT:
4123 	case BAMBOO_PT:
4124 	case BAMBOO_TOUCH:
4125 	case INTUOSHT2:
4126 		__clear_bit(ABS_MISC, input_dev->absbit);
4127 
4128 		__set_bit(BTN_LEFT, input_dev->keybit);
4129 		__set_bit(BTN_FORWARD, input_dev->keybit);
4130 		__set_bit(BTN_BACK, input_dev->keybit);
4131 		__set_bit(BTN_RIGHT, input_dev->keybit);
4132 
4133 		break;
4134 
4135 	case REMOTE:
4136 		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4137 		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4138 		break;
4139 
4140 	case INTUOSHT3_BT:
4141 	case HID_GENERIC:
4142 		break;
4143 
4144 	default:
4145 		/* no pad supported */
4146 		return -ENODEV;
4147 	}
4148 	return 0;
4149 }
4150 
4151 static const struct wacom_features wacom_features_0x00 =
4152 	{ "Wacom Penpartner", 5040, 3780, 255, 0,
4153 	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4154 static const struct wacom_features wacom_features_0x10 =
4155 	{ "Wacom Graphire", 10206, 7422, 511, 63,
4156 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4157 static const struct wacom_features wacom_features_0x81 =
4158 	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
4159 	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4160 static const struct wacom_features wacom_features_0x11 =
4161 	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4162 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4163 static const struct wacom_features wacom_features_0x12 =
4164 	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4165 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4166 static const struct wacom_features wacom_features_0x13 =
4167 	{ "Wacom Graphire3", 10208, 7424, 511, 63,
4168 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4169 static const struct wacom_features wacom_features_0x14 =
4170 	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4171 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4172 static const struct wacom_features wacom_features_0x15 =
4173 	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4174 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4175 static const struct wacom_features wacom_features_0x16 =
4176 	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4177 	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4178 static const struct wacom_features wacom_features_0x17 =
4179 	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4180 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4181 static const struct wacom_features wacom_features_0x18 =
4182 	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4183 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4184 static const struct wacom_features wacom_features_0x19 =
4185 	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4186 	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4187 static const struct wacom_features wacom_features_0x60 =
4188 	{ "Wacom Volito", 5104, 3712, 511, 63,
4189 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4190 static const struct wacom_features wacom_features_0x61 =
4191 	{ "Wacom PenStation2", 3250, 2320, 255, 63,
4192 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4193 static const struct wacom_features wacom_features_0x62 =
4194 	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4195 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4196 static const struct wacom_features wacom_features_0x63 =
4197 	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4198 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4199 static const struct wacom_features wacom_features_0x64 =
4200 	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
4201 	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4202 static const struct wacom_features wacom_features_0x65 =
4203 	{ "Wacom Bamboo", 14760, 9225, 511, 63,
4204 	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4205 static const struct wacom_features wacom_features_0x69 =
4206 	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
4207 	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4208 static const struct wacom_features wacom_features_0x6A =
4209 	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4210 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4211 static const struct wacom_features wacom_features_0x6B =
4212 	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4213 	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4214 static const struct wacom_features wacom_features_0x20 =
4215 	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4216 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4217 static const struct wacom_features wacom_features_0x21 =
4218 	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4219 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4220 static const struct wacom_features wacom_features_0x22 =
4221 	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4222 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4223 static const struct wacom_features wacom_features_0x23 =
4224 	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4225 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4226 static const struct wacom_features wacom_features_0x24 =
4227 	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4228 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4229 static const struct wacom_features wacom_features_0x30 =
4230 	{ "Wacom PL400", 5408, 4056, 255, 0,
4231 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4232 static const struct wacom_features wacom_features_0x31 =
4233 	{ "Wacom PL500", 6144, 4608, 255, 0,
4234 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4235 static const struct wacom_features wacom_features_0x32 =
4236 	{ "Wacom PL600", 6126, 4604, 255, 0,
4237 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4238 static const struct wacom_features wacom_features_0x33 =
4239 	{ "Wacom PL600SX", 6260, 5016, 255, 0,
4240 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4241 static const struct wacom_features wacom_features_0x34 =
4242 	{ "Wacom PL550", 6144, 4608, 511, 0,
4243 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4244 static const struct wacom_features wacom_features_0x35 =
4245 	{ "Wacom PL800", 7220, 5780, 511, 0,
4246 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4247 static const struct wacom_features wacom_features_0x37 =
4248 	{ "Wacom PL700", 6758, 5406, 511, 0,
4249 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4250 static const struct wacom_features wacom_features_0x38 =
4251 	{ "Wacom PL510", 6282, 4762, 511, 0,
4252 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4253 static const struct wacom_features wacom_features_0x39 =
4254 	{ "Wacom DTU710", 34080, 27660, 511, 0,
4255 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4256 static const struct wacom_features wacom_features_0xC4 =
4257 	{ "Wacom DTF521", 6282, 4762, 511, 0,
4258 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4259 static const struct wacom_features wacom_features_0xC0 =
4260 	{ "Wacom DTF720", 6858, 5506, 511, 0,
4261 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4262 static const struct wacom_features wacom_features_0xC2 =
4263 	{ "Wacom DTF720a", 6858, 5506, 511, 0,
4264 	  PL, WACOM_PL_RES, WACOM_PL_RES };
4265 static const struct wacom_features wacom_features_0x03 =
4266 	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4267 	  PTU, WACOM_PL_RES, WACOM_PL_RES };
4268 static const struct wacom_features wacom_features_0x41 =
4269 	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4270 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4271 static const struct wacom_features wacom_features_0x42 =
4272 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4273 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4274 static const struct wacom_features wacom_features_0x43 =
4275 	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4276 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4277 static const struct wacom_features wacom_features_0x44 =
4278 	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4279 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4280 static const struct wacom_features wacom_features_0x45 =
4281 	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4282 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4283 static const struct wacom_features wacom_features_0xB0 =
4284 	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4285 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4286 static const struct wacom_features wacom_features_0xB1 =
4287 	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4288 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4289 static const struct wacom_features wacom_features_0xB2 =
4290 	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4291 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4292 static const struct wacom_features wacom_features_0xB3 =
4293 	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4294 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4295 static const struct wacom_features wacom_features_0xB4 =
4296 	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4297 	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4298 static const struct wacom_features wacom_features_0xB5 =
4299 	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4300 	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4301 static const struct wacom_features wacom_features_0xB7 =
4302 	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4303 	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4304 static const struct wacom_features wacom_features_0xB8 =
4305 	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4306 	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4307 static const struct wacom_features wacom_features_0xB9 =
4308 	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4309 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4310 static const struct wacom_features wacom_features_0xBA =
4311 	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4312 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4313 static const struct wacom_features wacom_features_0xBB =
4314 	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4315 	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4316 static const struct wacom_features wacom_features_0xBC =
4317 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4318 	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4319 static const struct wacom_features wacom_features_0xBD =
4320 	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4321 	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4322 static const struct wacom_features wacom_features_0x26 =
4323 	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4324 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4325 static const struct wacom_features wacom_features_0x27 =
4326 	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4327 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4328 static const struct wacom_features wacom_features_0x28 =
4329 	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4330 	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4331 static const struct wacom_features wacom_features_0x29 =
4332 	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4333 	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4334 static const struct wacom_features wacom_features_0x2A =
4335 	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4336 	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4337 static const struct wacom_features wacom_features_0x314 =
4338 	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4339 	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4340 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4341 static const struct wacom_features wacom_features_0x315 =
4342 	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4343 	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4344 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4345 static const struct wacom_features wacom_features_0x317 =
4346 	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4347 	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4348 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4349 static const struct wacom_features wacom_features_0xF4 =
4350 	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4351 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4352 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4353 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4354 static const struct wacom_features wacom_features_0xF8 =
4355 	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4356 	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4357 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4358 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4359 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4360 static const struct wacom_features wacom_features_0xF6 =
4361 	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4362 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4363 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4364 static const struct wacom_features wacom_features_0x32A =
4365 	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4366 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4367 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4368 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4369 static const struct wacom_features wacom_features_0x32B =
4370 	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4371 	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4372 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4373 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4374 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4375 static const struct wacom_features wacom_features_0x32C =
4376 	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4377 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4378 static const struct wacom_features wacom_features_0x3F =
4379 	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4380 	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4381 static const struct wacom_features wacom_features_0xC5 =
4382 	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4383 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4384 static const struct wacom_features wacom_features_0xC6 =
4385 	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4386 	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4387 static const struct wacom_features wacom_features_0x304 =
4388 	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4389 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4390 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4391 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4392 static const struct wacom_features wacom_features_0x333 =
4393 	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4394 	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4395 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4396 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4397 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4398 static const struct wacom_features wacom_features_0x335 =
4399 	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4400 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4401 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4402 static const struct wacom_features wacom_features_0xC7 =
4403 	{ "Wacom DTU1931", 37832, 30305, 511, 0,
4404 	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4405 static const struct wacom_features wacom_features_0xCE =
4406 	{ "Wacom DTU2231", 47864, 27011, 511, 0,
4407 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4408 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4409 static const struct wacom_features wacom_features_0xF0 =
4410 	{ "Wacom DTU1631", 34623, 19553, 511, 0,
4411 	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4412 static const struct wacom_features wacom_features_0xFB =
4413 	{ "Wacom DTU1031", 22096, 13960, 511, 0,
4414 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4415 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4416 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4417 static const struct wacom_features wacom_features_0x32F =
4418 	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
4419 	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4420 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4421 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4422 static const struct wacom_features wacom_features_0x336 =
4423 	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
4424 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4425 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4426 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4427 static const struct wacom_features wacom_features_0x57 =
4428 	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
4429 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4430 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4431 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4432 static const struct wacom_features wacom_features_0x59 = /* Pen */
4433 	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
4434 	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4435 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4436 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4437 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4438 static const struct wacom_features wacom_features_0x5D = /* Touch */
4439 	{ "Wacom DTH2242",       .type = WACOM_24HDT,
4440 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4441 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4442 static const struct wacom_features wacom_features_0xCC =
4443 	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4444 	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4445 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4446 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4447 static const struct wacom_features wacom_features_0xFA =
4448 	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4449 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4450 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4451 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4452 static const struct wacom_features wacom_features_0x5B =
4453 	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4454 	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4455 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4456 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4457 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4458 static const struct wacom_features wacom_features_0x5E =
4459 	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4460 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4461 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4462 static const struct wacom_features wacom_features_0x90 =
4463 	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
4464 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4465 static const struct wacom_features wacom_features_0x93 =
4466 	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4467 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4468 static const struct wacom_features wacom_features_0x97 =
4469 	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4470 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4471 static const struct wacom_features wacom_features_0x9A =
4472 	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4473 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4474 static const struct wacom_features wacom_features_0x9F =
4475 	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4476 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4477 static const struct wacom_features wacom_features_0xE2 =
4478 	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4479 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4480 static const struct wacom_features wacom_features_0xE3 =
4481 	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4482 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4483 static const struct wacom_features wacom_features_0xE5 =
4484 	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4485 	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4486 static const struct wacom_features wacom_features_0xE6 =
4487 	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4488 	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4489 static const struct wacom_features wacom_features_0xEC =
4490 	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4491 	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4492 static const struct wacom_features wacom_features_0xED =
4493 	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4494 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4495 static const struct wacom_features wacom_features_0xEF =
4496 	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4497 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4498 static const struct wacom_features wacom_features_0x100 =
4499 	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4500 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4501 static const struct wacom_features wacom_features_0x101 =
4502 	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4503 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4504 static const struct wacom_features wacom_features_0x10D =
4505 	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4506 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4507 static const struct wacom_features wacom_features_0x10E =
4508 	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4509 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4510 static const struct wacom_features wacom_features_0x10F =
4511 	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4512 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4513 static const struct wacom_features wacom_features_0x116 =
4514 	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4515 	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4516 static const struct wacom_features wacom_features_0x12C =
4517 	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4518 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4519 static const struct wacom_features wacom_features_0x4001 =
4520 	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4521 	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4522 static const struct wacom_features wacom_features_0x4004 =
4523 	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4524 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4525 static const struct wacom_features wacom_features_0x5000 =
4526 	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4527 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4528 static const struct wacom_features wacom_features_0x5002 =
4529 	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4530 	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4531 static const struct wacom_features wacom_features_0x47 =
4532 	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4533 	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4534 static const struct wacom_features wacom_features_0x84 =
4535 	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4536 static const struct wacom_features wacom_features_0xD0 =
4537 	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4538 	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4539 static const struct wacom_features wacom_features_0xD1 =
4540 	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4541 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4542 static const struct wacom_features wacom_features_0xD2 =
4543 	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4544 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4545 static const struct wacom_features wacom_features_0xD3 =
4546 	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4547 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4548 static const struct wacom_features wacom_features_0xD4 =
4549 	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4550 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4551 static const struct wacom_features wacom_features_0xD5 =
4552 	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4553 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4554 static const struct wacom_features wacom_features_0xD6 =
4555 	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4556 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4557 static const struct wacom_features wacom_features_0xD7 =
4558 	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4559 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4560 static const struct wacom_features wacom_features_0xD8 =
4561 	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4562 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4563 static const struct wacom_features wacom_features_0xDA =
4564 	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4565 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4566 static const struct wacom_features wacom_features_0xDB =
4567 	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4568 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4569 static const struct wacom_features wacom_features_0xDD =
4570         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4571           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4572 static const struct wacom_features wacom_features_0xDE =
4573         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4574 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4575 static const struct wacom_features wacom_features_0xDF =
4576         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4577 	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4578 static const struct wacom_features wacom_features_0x300 =
4579 	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4580 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4581 static const struct wacom_features wacom_features_0x301 =
4582 	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4583 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4584 static const struct wacom_features wacom_features_0x302 =
4585 	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4586 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4587 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4588 static const struct wacom_features wacom_features_0x303 =
4589 	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4590 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4591 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4592 static const struct wacom_features wacom_features_0x30E =
4593 	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4594 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4595 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4596 static const struct wacom_features wacom_features_0x6004 =
4597 	{ "ISD-V4", 12800, 8000, 255, 0,
4598 	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4599 static const struct wacom_features wacom_features_0x307 =
4600 	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4601 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4602 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4603 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4604 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4605 static const struct wacom_features wacom_features_0x309 =
4606 	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4607 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4608 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4609 static const struct wacom_features wacom_features_0x30A =
4610 	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4611 	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4612 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4613 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4614 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4615 static const struct wacom_features wacom_features_0x30C =
4616 	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4617 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4618 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4619 static const struct wacom_features wacom_features_0x318 =
4620 	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4621 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4622 static const struct wacom_features wacom_features_0x319 =
4623 	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4624 	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4625 static const struct wacom_features wacom_features_0x325 =
4626 	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4627 	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4628 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4629 	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4630 	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4631 static const struct wacom_features wacom_features_0x326 = /* Touch */
4632 	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4633 	  .oPid = 0x325 };
4634 static const struct wacom_features wacom_features_0x323 =
4635 	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4636 	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4637 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4638 static const struct wacom_features wacom_features_0x331 =
4639 	{ "Wacom Express Key Remote", .type = REMOTE,
4640 	  .numbered_buttons = 18, .check_for_hid_type = true,
4641 	  .hid_type = HID_TYPE_USBNONE };
4642 static const struct wacom_features wacom_features_0x33B =
4643 	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4644 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4645 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4646 static const struct wacom_features wacom_features_0x33C =
4647 	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4648 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4649 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4650 static const struct wacom_features wacom_features_0x33D =
4651 	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4652 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4653 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4654 static const struct wacom_features wacom_features_0x33E =
4655 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4656 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4657 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4658 static const struct wacom_features wacom_features_0x343 =
4659 	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4660 	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4661 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4662 	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4663 static const struct wacom_features wacom_features_0x360 =
4664 	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4665 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4666 static const struct wacom_features wacom_features_0x361 =
4667 	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4668 	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4669 static const struct wacom_features wacom_features_0x377 =
4670 	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4671 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4672 static const struct wacom_features wacom_features_0x379 =
4673 	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4674 	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4675 static const struct wacom_features wacom_features_0x37A =
4676 	{ "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4677 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4678 static const struct wacom_features wacom_features_0x37B =
4679 	{ "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4680 	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4681 static const struct wacom_features wacom_features_0x393 =
4682 	{ "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4683 	  INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4684 	  .touch_max = 10 };
4685 
4686 static const struct wacom_features wacom_features_HID_ANY_ID =
4687 	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4688 
4689 #define USB_DEVICE_WACOM(prod)						\
4690 	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4691 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4692 
4693 #define BT_DEVICE_WACOM(prod)						\
4694 	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4695 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4696 
4697 #define I2C_DEVICE_WACOM(prod)						\
4698 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4699 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4700 
4701 #define USB_DEVICE_LENOVO(prod)					\
4702 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4703 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4704 
4705 const struct hid_device_id wacom_ids[] = {
4706 	{ USB_DEVICE_WACOM(0x00) },
4707 	{ USB_DEVICE_WACOM(0x03) },
4708 	{ USB_DEVICE_WACOM(0x10) },
4709 	{ USB_DEVICE_WACOM(0x11) },
4710 	{ USB_DEVICE_WACOM(0x12) },
4711 	{ USB_DEVICE_WACOM(0x13) },
4712 	{ USB_DEVICE_WACOM(0x14) },
4713 	{ USB_DEVICE_WACOM(0x15) },
4714 	{ USB_DEVICE_WACOM(0x16) },
4715 	{ USB_DEVICE_WACOM(0x17) },
4716 	{ USB_DEVICE_WACOM(0x18) },
4717 	{ USB_DEVICE_WACOM(0x19) },
4718 	{ USB_DEVICE_WACOM(0x20) },
4719 	{ USB_DEVICE_WACOM(0x21) },
4720 	{ USB_DEVICE_WACOM(0x22) },
4721 	{ USB_DEVICE_WACOM(0x23) },
4722 	{ USB_DEVICE_WACOM(0x24) },
4723 	{ USB_DEVICE_WACOM(0x26) },
4724 	{ USB_DEVICE_WACOM(0x27) },
4725 	{ USB_DEVICE_WACOM(0x28) },
4726 	{ USB_DEVICE_WACOM(0x29) },
4727 	{ USB_DEVICE_WACOM(0x2A) },
4728 	{ USB_DEVICE_WACOM(0x30) },
4729 	{ USB_DEVICE_WACOM(0x31) },
4730 	{ USB_DEVICE_WACOM(0x32) },
4731 	{ USB_DEVICE_WACOM(0x33) },
4732 	{ USB_DEVICE_WACOM(0x34) },
4733 	{ USB_DEVICE_WACOM(0x35) },
4734 	{ USB_DEVICE_WACOM(0x37) },
4735 	{ USB_DEVICE_WACOM(0x38) },
4736 	{ USB_DEVICE_WACOM(0x39) },
4737 	{ USB_DEVICE_WACOM(0x3F) },
4738 	{ USB_DEVICE_WACOM(0x41) },
4739 	{ USB_DEVICE_WACOM(0x42) },
4740 	{ USB_DEVICE_WACOM(0x43) },
4741 	{ USB_DEVICE_WACOM(0x44) },
4742 	{ USB_DEVICE_WACOM(0x45) },
4743 	{ USB_DEVICE_WACOM(0x47) },
4744 	{ USB_DEVICE_WACOM(0x57) },
4745 	{ USB_DEVICE_WACOM(0x59) },
4746 	{ USB_DEVICE_WACOM(0x5B) },
4747 	{ USB_DEVICE_WACOM(0x5D) },
4748 	{ USB_DEVICE_WACOM(0x5E) },
4749 	{ USB_DEVICE_WACOM(0x60) },
4750 	{ USB_DEVICE_WACOM(0x61) },
4751 	{ USB_DEVICE_WACOM(0x62) },
4752 	{ USB_DEVICE_WACOM(0x63) },
4753 	{ USB_DEVICE_WACOM(0x64) },
4754 	{ USB_DEVICE_WACOM(0x65) },
4755 	{ USB_DEVICE_WACOM(0x69) },
4756 	{ USB_DEVICE_WACOM(0x6A) },
4757 	{ USB_DEVICE_WACOM(0x6B) },
4758 	{ BT_DEVICE_WACOM(0x81) },
4759 	{ USB_DEVICE_WACOM(0x84) },
4760 	{ USB_DEVICE_WACOM(0x90) },
4761 	{ USB_DEVICE_WACOM(0x93) },
4762 	{ USB_DEVICE_WACOM(0x97) },
4763 	{ USB_DEVICE_WACOM(0x9A) },
4764 	{ USB_DEVICE_WACOM(0x9F) },
4765 	{ USB_DEVICE_WACOM(0xB0) },
4766 	{ USB_DEVICE_WACOM(0xB1) },
4767 	{ USB_DEVICE_WACOM(0xB2) },
4768 	{ USB_DEVICE_WACOM(0xB3) },
4769 	{ USB_DEVICE_WACOM(0xB4) },
4770 	{ USB_DEVICE_WACOM(0xB5) },
4771 	{ USB_DEVICE_WACOM(0xB7) },
4772 	{ USB_DEVICE_WACOM(0xB8) },
4773 	{ USB_DEVICE_WACOM(0xB9) },
4774 	{ USB_DEVICE_WACOM(0xBA) },
4775 	{ USB_DEVICE_WACOM(0xBB) },
4776 	{ USB_DEVICE_WACOM(0xBC) },
4777 	{ BT_DEVICE_WACOM(0xBD) },
4778 	{ USB_DEVICE_WACOM(0xC0) },
4779 	{ USB_DEVICE_WACOM(0xC2) },
4780 	{ USB_DEVICE_WACOM(0xC4) },
4781 	{ USB_DEVICE_WACOM(0xC5) },
4782 	{ USB_DEVICE_WACOM(0xC6) },
4783 	{ USB_DEVICE_WACOM(0xC7) },
4784 	{ USB_DEVICE_WACOM(0xCC) },
4785 	{ USB_DEVICE_WACOM(0xCE) },
4786 	{ USB_DEVICE_WACOM(0xD0) },
4787 	{ USB_DEVICE_WACOM(0xD1) },
4788 	{ USB_DEVICE_WACOM(0xD2) },
4789 	{ USB_DEVICE_WACOM(0xD3) },
4790 	{ USB_DEVICE_WACOM(0xD4) },
4791 	{ USB_DEVICE_WACOM(0xD5) },
4792 	{ USB_DEVICE_WACOM(0xD6) },
4793 	{ USB_DEVICE_WACOM(0xD7) },
4794 	{ USB_DEVICE_WACOM(0xD8) },
4795 	{ USB_DEVICE_WACOM(0xDA) },
4796 	{ USB_DEVICE_WACOM(0xDB) },
4797 	{ USB_DEVICE_WACOM(0xDD) },
4798 	{ USB_DEVICE_WACOM(0xDE) },
4799 	{ USB_DEVICE_WACOM(0xDF) },
4800 	{ USB_DEVICE_WACOM(0xE2) },
4801 	{ USB_DEVICE_WACOM(0xE3) },
4802 	{ USB_DEVICE_WACOM(0xE5) },
4803 	{ USB_DEVICE_WACOM(0xE6) },
4804 	{ USB_DEVICE_WACOM(0xEC) },
4805 	{ USB_DEVICE_WACOM(0xED) },
4806 	{ USB_DEVICE_WACOM(0xEF) },
4807 	{ USB_DEVICE_WACOM(0xF0) },
4808 	{ USB_DEVICE_WACOM(0xF4) },
4809 	{ USB_DEVICE_WACOM(0xF6) },
4810 	{ USB_DEVICE_WACOM(0xF8) },
4811 	{ USB_DEVICE_WACOM(0xFA) },
4812 	{ USB_DEVICE_WACOM(0xFB) },
4813 	{ USB_DEVICE_WACOM(0x100) },
4814 	{ USB_DEVICE_WACOM(0x101) },
4815 	{ USB_DEVICE_WACOM(0x10D) },
4816 	{ USB_DEVICE_WACOM(0x10E) },
4817 	{ USB_DEVICE_WACOM(0x10F) },
4818 	{ USB_DEVICE_WACOM(0x116) },
4819 	{ USB_DEVICE_WACOM(0x12C) },
4820 	{ USB_DEVICE_WACOM(0x300) },
4821 	{ USB_DEVICE_WACOM(0x301) },
4822 	{ USB_DEVICE_WACOM(0x302) },
4823 	{ USB_DEVICE_WACOM(0x303) },
4824 	{ USB_DEVICE_WACOM(0x304) },
4825 	{ USB_DEVICE_WACOM(0x307) },
4826 	{ USB_DEVICE_WACOM(0x309) },
4827 	{ USB_DEVICE_WACOM(0x30A) },
4828 	{ USB_DEVICE_WACOM(0x30C) },
4829 	{ USB_DEVICE_WACOM(0x30E) },
4830 	{ USB_DEVICE_WACOM(0x314) },
4831 	{ USB_DEVICE_WACOM(0x315) },
4832 	{ USB_DEVICE_WACOM(0x317) },
4833 	{ USB_DEVICE_WACOM(0x318) },
4834 	{ USB_DEVICE_WACOM(0x319) },
4835 	{ USB_DEVICE_WACOM(0x323) },
4836 	{ USB_DEVICE_WACOM(0x325) },
4837 	{ USB_DEVICE_WACOM(0x326) },
4838 	{ USB_DEVICE_WACOM(0x32A) },
4839 	{ USB_DEVICE_WACOM(0x32B) },
4840 	{ USB_DEVICE_WACOM(0x32C) },
4841 	{ USB_DEVICE_WACOM(0x32F) },
4842 	{ USB_DEVICE_WACOM(0x331) },
4843 	{ USB_DEVICE_WACOM(0x333) },
4844 	{ USB_DEVICE_WACOM(0x335) },
4845 	{ USB_DEVICE_WACOM(0x336) },
4846 	{ USB_DEVICE_WACOM(0x33B) },
4847 	{ USB_DEVICE_WACOM(0x33C) },
4848 	{ USB_DEVICE_WACOM(0x33D) },
4849 	{ USB_DEVICE_WACOM(0x33E) },
4850 	{ USB_DEVICE_WACOM(0x343) },
4851 	{ BT_DEVICE_WACOM(0x360) },
4852 	{ BT_DEVICE_WACOM(0x361) },
4853 	{ BT_DEVICE_WACOM(0x377) },
4854 	{ BT_DEVICE_WACOM(0x379) },
4855 	{ USB_DEVICE_WACOM(0x37A) },
4856 	{ USB_DEVICE_WACOM(0x37B) },
4857 	{ BT_DEVICE_WACOM(0x393) },
4858 	{ USB_DEVICE_WACOM(0x4001) },
4859 	{ USB_DEVICE_WACOM(0x4004) },
4860 	{ USB_DEVICE_WACOM(0x5000) },
4861 	{ USB_DEVICE_WACOM(0x5002) },
4862 	{ USB_DEVICE_LENOVO(0x6004) },
4863 
4864 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
4865 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
4866 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
4867 	{ }
4868 };
4869 MODULE_DEVICE_TABLE(hid, wacom_ids);
4870